[ 54.374821][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 54.375289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.375289][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 54.375289][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 54.375289][ T73] fib6_nh_init+0xa22/0x1580 [ 54.375289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.375289][ T73] ip6_route_add+0x1c/0x140 [ 54.375289][ T73] inet6_rtm_newroute+0x104/0x110 [ 54.375289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.375289][ T73] netlink_rcv_skb+0x130/0x360 [ 54.375289][ T73] netlink_unicast+0x449/0x710 [ 54.375289][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.375289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.375289][ T73] ___sys_sendmsg+0xee/0x170 [ 54.375289][ T73] __sys_sendmsg+0xcd/0x170 [ 54.375289][ T73] do_syscall_64+0xc6/0x1e0 [ 54.375289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.375289][ T73] [ 54.377511][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.377511][ T73] dst_init+0x84/0x4a0 [ 54.377511][ T73] dst_alloc+0x97/0x150 [ 54.377511][ T73] ip6_dst_alloc+0x23/0x90 [ 54.377511][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 54.377511][ T73] ip6_pol_route+0x56f/0x840 [ 54.377511][ T73] fib6_rule_lookup+0x456/0x630 [ 54.377511][ T73] ip6_route_input+0x59c/0xa50 [ 54.377511][ T73] ipv6_rcv+0x397/0x810 [ 54.377511][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 54.377511][ T73] process_backlog+0x101/0x620 [ 54.377511][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 54.377511][ T73] net_rx_action+0x495/0xbe0 [ 54.377511][ T73] __do_softirq+0x1b5/0x7f6 [ 54.377511][ T73] [ 54.379210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.379210][ T73] netdev_get_by_index+0x5e/0x80 [ 54.379210][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.379210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.379210][ T73] ip6_route_add+0x1c/0x140 [ 54.379210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 54.379210][ T73] inet6_addr_add+0x4f8/0xa40 [ 54.379210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.379210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.379210][ T73] netlink_rcv_skb+0x130/0x360 [ 54.379210][ T73] netlink_unicast+0x449/0x710 [ 54.379210][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.379210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.379210][ T73] ___sys_sendmsg+0xee/0x170 [ 54.379210][ T73] __sys_sendmsg+0xcd/0x170 [ 54.379210][ T73] do_syscall_64+0xc6/0x1e0 [ 54.379210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.379210][ T73] [ 54.381321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.381321][ T73] netdev_get_by_index+0x5e/0x80 [ 54.381321][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.381321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.381321][ T73] addrconf_f6i_alloc+0x315/0x560 [ 54.381321][ T73] ipv6_add_addr+0x411/0x2000 [ 54.381321][ T73] inet6_addr_add+0x30e/0xa40 [ 54.381321][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.381321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.381321][ T73] netlink_rcv_skb+0x130/0x360 [ 54.381321][ T73] netlink_unicast+0x449/0x710 [ 54.381321][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.381321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.381321][ T73] ___sys_sendmsg+0xee/0x170 [ 54.381321][ T73] __sys_sendmsg+0xcd/0x170 [ 54.381321][ T73] do_syscall_64+0xc6/0x1e0 [ 54.381321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.381321][ T73] [ 54.383385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.383385][ T73] netdev_get_by_index+0x5e/0x80 [ 54.383385][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.383385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.383385][ T73] ip6_route_add+0x1c/0x140 [ 54.383385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 54.383385][ T73] addrconf_add_dev+0xe2/0x170 [ 54.383385][ T73] inet6_addr_add+0x12f/0xa40 [ 54.383385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.383385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.383385][ T73] netlink_rcv_skb+0x130/0x360 [ 54.383385][ T73] netlink_unicast+0x449/0x710 [ 54.383385][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.383385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.383385][ T73] ___sys_sendmsg+0xee/0x170 [ 54.383385][ T73] __sys_sendmsg+0xcd/0x170 [ 54.383385][ T73] do_syscall_64+0xc6/0x1e0 [ 54.383385][ T73] [ 54.385395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.385395][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 54.385395][ T73] ipv6_find_idev+0x102/0x170 [ 54.385395][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.385395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.385395][ T73] netlink_rcv_skb+0x130/0x360 [ 54.385395][ T73] netlink_unicast+0x449/0x710 [ 54.385395][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.385395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.385395][ T73] ___sys_sendmsg+0xee/0x170 [ 54.385395][ T73] __sys_sendmsg+0xcd/0x170 [ 54.385395][ T73] do_syscall_64+0xc6/0x1e0 [ 54.385395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.385395][ T73] [ 54.387626][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 54.387626][ T73] neigh_parms_alloc+0x1e5/0x510 [ 54.387626][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 54.387626][ T73] ipv6_find_idev+0x102/0x170 [ 54.387626][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.387626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.387626][ T73] netlink_rcv_skb+0x130/0x360 [ 54.387626][ T73] netlink_unicast+0x449/0x710 [ 54.387626][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.387626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.387626][ T73] ___sys_sendmsg+0xee/0x170 [ 54.387626][ T73] __sys_sendmsg+0xcd/0x170 [ 54.387626][ T73] do_syscall_64+0xc6/0x1e0 [ 54.387626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.387626][ T73] [ 54.389763][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 54.390050][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.390050][ T73] dst_init+0x84/0x4a0 [ 54.390050][ T73] dst_alloc+0x97/0x150 [ 54.390050][ T73] ip6_dst_alloc+0x23/0x90 [ 54.390050][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 54.390050][ T73] ip6_pol_route+0x56f/0x840 [ 54.390050][ T73] fib6_rule_lookup+0x456/0x630 [ 54.390050][ T73] ip6_route_input+0x59c/0xa50 [ 54.390050][ T73] ipv6_rcv+0x397/0x810 [ 54.390050][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 54.390050][ T73] process_backlog+0x101/0x620 [ 54.390050][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 54.390050][ T73] net_rx_action+0x495/0xbe0 [ 54.390050][ T73] __do_softirq+0x1b5/0x7f6 [ 54.390050][ T73] [ 54.391765][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.391765][ T73] netdev_get_by_index+0x5e/0x80 [ 54.391765][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.391765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.391765][ T73] addrconf_f6i_alloc+0x265/0x560 [ 54.391765][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 54.391765][ T73] addrconf_join_anycast+0x1c0/0x220 [ 54.391765][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 54.391765][ T73] addrconf_dad_completed+0x12b/0xe20 [ 54.391765][ T73] addrconf_dad_begin+0x310/0x670 [ 54.391765][ T73] addrconf_dad_work+0x10b/0xab0 [ 54.391765][ T73] process_one_work+0x84d/0x18a0 [ 54.391765][ T73] worker_thread+0x587/0xd30 [ 54.391765][ T73] kthread+0x28a/0x350 [ 54.391765][ T73] ret_from_fork+0x31/0x70 [ 54.391765][ T73] ret_from_fork_asm+0x1a/0x30 [ 54.391765][ T73] [ 54.394158][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.394158][ T73] netdev_get_by_index+0x5e/0x80 [ 54.394158][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.394158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.394158][ T73] ip6_route_add+0x1c/0x140 [ 54.394158][ T73] addrconf_prefix_route+0x2a6/0x430 [ 54.394158][ T73] inet6_addr_add+0x4f8/0xa40 [ 54.394158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.394158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.394158][ T73] netlink_rcv_skb+0x130/0x360 [ 54.394158][ T73] netlink_unicast+0x449/0x710 [ 54.394158][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.394158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.394158][ T73] ___sys_sendmsg+0xee/0x170 [ 54.394158][ T73] __sys_sendmsg+0xcd/0x170 [ 54.394158][ T73] do_syscall_64+0xc6/0x1e0 [ 54.394158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.394158][ T73] [ 54.397013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.397013][ T73] netdev_get_by_index+0x5e/0x80 [ 54.397013][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.397013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.397013][ T73] addrconf_f6i_alloc+0x315/0x560 [ 54.397013][ T73] ipv6_add_addr+0x411/0x2000 [ 54.397013][ T73] inet6_addr_add+0x30e/0xa40 [ 54.397013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.397013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.397013][ T73] netlink_rcv_skb+0x130/0x360 [ 54.397013][ T73] netlink_unicast+0x449/0x710 [ 54.397013][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.397013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.397013][ T73] ___sys_sendmsg+0xee/0x170 [ 54.397013][ T73] __sys_sendmsg+0xcd/0x170 [ 54.397013][ T73] do_syscall_64+0xc6/0x1e0 [ 54.397013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.397013][ T73] [ 54.399322][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.399322][ T73] netdev_get_by_index+0x5e/0x80 [ 54.399322][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.399322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.399322][ T73] ip6_route_add+0x1c/0x140 [ 54.399322][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 54.399322][ T73] addrconf_add_dev+0xe2/0x170 [ 54.399322][ T73] inet6_addr_add+0x12f/0xa40 [ 54.399322][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.399322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.399322][ T73] netlink_rcv_skb+0x130/0x360 [ 54.399322][ T73] netlink_unicast+0x449/0x710 [ 54.399322][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.399322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.399322][ T73] ___sys_sendmsg+0xee/0x170 [ 54.399322][ T73] __sys_sendmsg+0xcd/0x170 [ 54.399322][ T73] do_syscall_64+0xc6/0x1e0 [ 54.399322][ T73] [ 54.402840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.402840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 54.402840][ T73] ipv6_find_idev+0x102/0x170 [ 54.402840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.402840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.402840][ T73] netlink_rcv_skb+0x130/0x360 [ 54.402840][ T73] netlink_unicast+0x449/0x710 [ 54.402840][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.402840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.402840][ T73] ___sys_sendmsg+0xee/0x170 [ 54.402840][ T73] __sys_sendmsg+0xcd/0x170 [ 54.402840][ T73] do_syscall_64+0xc6/0x1e0 [ 54.402840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.402840][ T73] [ 54.404697][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 54.404697][ T73] neigh_parms_alloc+0x1e5/0x510 [ 54.404697][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 54.404697][ T73] ipv6_find_idev+0x102/0x170 [ 54.404697][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.404697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.404697][ T73] netlink_rcv_skb+0x130/0x360 [ 54.404697][ T73] netlink_unicast+0x449/0x710 [ 54.404697][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.404697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.404697][ T73] ___sys_sendmsg+0xee/0x170 [ 54.404697][ T73] __sys_sendmsg+0xcd/0x170 [ 54.404697][ T73] do_syscall_64+0xc6/0x1e0 [ 54.404697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.404697][ T73] [ 54.406643][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 54.407321][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.407321][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 54.407321][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 54.407321][ T73] fib6_nh_init+0xa22/0x1580 [ 54.407321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.407321][ T73] ip6_route_add+0x1c/0x140 [ 54.407321][ T73] inet6_rtm_newroute+0x104/0x110 [ 54.407321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.407321][ T73] netlink_rcv_skb+0x130/0x360 [ 54.407321][ T73] netlink_unicast+0x449/0x710 [ 54.407321][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.407321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.407321][ T73] ___sys_sendmsg+0xee/0x170 [ 54.407321][ T73] __sys_sendmsg+0xcd/0x170 [ 54.407321][ T73] do_syscall_64+0xc6/0x1e0 [ 54.407321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.407321][ T73] [ 54.410219][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.410219][ T73] dst_init+0x84/0x4a0 [ 54.410219][ T73] dst_alloc+0x97/0x150 [ 54.410219][ T73] ip6_dst_alloc+0x23/0x90 [ 54.410219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 54.410219][ T73] ip6_pol_route+0x56f/0x840 [ 54.410219][ T73] fib6_rule_lookup+0x456/0x630 [ 54.410219][ T73] ip6_route_input+0x59c/0xa50 [ 54.410219][ T73] ipv6_rcv+0x397/0x810 [ 54.410219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 54.410219][ T73] process_backlog+0x101/0x620 [ 54.410219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 54.410219][ T73] net_rx_action+0x495/0xbe0 [ 54.410219][ T73] __do_softirq+0x1b5/0x7f6 [ 54.410219][ T73] [ 54.412248][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.412248][ T73] netdev_get_by_index+0x5e/0x80 [ 54.412248][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.412248][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.412248][ T73] ip6_route_add+0x1c/0x140 [ 54.412248][ T73] addrconf_prefix_route+0x2a6/0x430 [ 54.412248][ T73] inet6_addr_add+0x4f8/0xa40 [ 54.412248][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.412248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.412248][ T73] netlink_rcv_skb+0x130/0x360 [ 54.412248][ T73] netlink_unicast+0x449/0x710 [ 54.412248][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.412248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.412248][ T73] ___sys_sendmsg+0xee/0x170 [ 54.412248][ T73] __sys_sendmsg+0xcd/0x170 [ 54.412248][ T73] do_syscall_64+0xc6/0x1e0 [ 54.412248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.412248][ T73] [ 54.415109][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.415109][ T73] netdev_get_by_index+0x5e/0x80 [ 54.415109][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.415109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.415109][ T73] addrconf_f6i_alloc+0x315/0x560 [ 54.415109][ T73] ipv6_add_addr+0x411/0x2000 [ 54.415109][ T73] inet6_addr_add+0x30e/0xa40 [ 54.415109][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.415109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.415109][ T73] netlink_rcv_skb+0x130/0x360 [ 54.415109][ T73] netlink_unicast+0x449/0x710 [ 54.415109][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.415109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.415109][ T73] ___sys_sendmsg+0xee/0x170 [ 54.415109][ T73] __sys_sendmsg+0xcd/0x170 [ 54.415109][ T73] do_syscall_64+0xc6/0x1e0 [ 54.415109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.415109][ T73] [ 54.418164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.418164][ T73] netdev_get_by_index+0x5e/0x80 [ 54.418164][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.418164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.418164][ T73] ip6_route_add+0x1c/0x140 [ 54.418164][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 54.418164][ T73] addrconf_add_dev+0xe2/0x170 [ 54.418164][ T73] inet6_addr_add+0x12f/0xa40 [ 54.418164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.418164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.418164][ T73] netlink_rcv_skb+0x130/0x360 [ 54.418164][ T73] netlink_unicast+0x449/0x710 [ 54.418164][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.418164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.418164][ T73] ___sys_sendmsg+0xee/0x170 [ 54.418164][ T73] __sys_sendmsg+0xcd/0x170 [ 54.418164][ T73] do_syscall_64+0xc6/0x1e0 [ 54.418164][ T73] [ 54.420461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.420461][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 54.420461][ T73] ipv6_find_idev+0x102/0x170 [ 54.420461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.420461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.420461][ T73] netlink_rcv_skb+0x130/0x360 [ 54.420461][ T73] netlink_unicast+0x449/0x710 [ 54.420461][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.420461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.420461][ T73] ___sys_sendmsg+0xee/0x170 [ 54.420461][ T73] __sys_sendmsg+0xcd/0x170 [ 54.420461][ T73] do_syscall_64+0xc6/0x1e0 [ 54.420461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.420461][ T73] [ 54.422516][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 54.422516][ T73] neigh_parms_alloc+0x1e5/0x510 [ 54.422516][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 54.422516][ T73] ipv6_find_idev+0x102/0x170 [ 54.422516][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.422516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.422516][ T73] netlink_rcv_skb+0x130/0x360 [ 54.422516][ T73] netlink_unicast+0x449/0x710 [ 54.422516][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.422516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.422516][ T73] ___sys_sendmsg+0xee/0x170 [ 54.422516][ T73] __sys_sendmsg+0xcd/0x170 [ 54.422516][ T73] do_syscall_64+0xc6/0x1e0 [ 54.422516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.422516][ T73] [ 54.424439][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 54.424745][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 54.424745][ T73] netdev_get_by_index+0x5e/0x80 [ 54.424745][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.424745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.424745][ T73] addrconf_f6i_alloc+0x265/0x560 [ 54.424745][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 54.424745][ T73] addrconf_join_anycast+0x1c0/0x220 [ 54.424745][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 54.424745][ T73] addrconf_dad_completed+0x12b/0xe20 [ 54.424745][ T73] addrconf_dad_begin+0x310/0x670 [ 54.424745][ T73] addrconf_dad_work+0x10b/0xab0 [ 54.424745][ T73] process_one_work+0x84d/0x18a0 [ 54.424745][ T73] worker_thread+0x587/0xd30 [ 54.424745][ T73] kthread+0x28a/0x350 [ 54.424745][ T73] ret_from_fork+0x31/0x70 [ 54.424745][ T73] ret_from_fork_asm+0x1a/0x30 [ 54.424745][ T73] [ 54.426763][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 54.426763][ T73] netdev_get_by_index+0x5e/0x80 [ 54.426763][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.426763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.426763][ T73] ip6_route_add+0x1c/0x140 [ 54.426763][ T73] addrconf_prefix_route+0x2a6/0x430 [ 54.426763][ T73] inet6_addr_add+0x4f8/0xa40 [ 54.426763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.426763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.426763][ T73] netlink_rcv_skb+0x130/0x360 [ 54.426763][ T73] netlink_unicast+0x449/0x710 [ 54.426763][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.426763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.426763][ T73] ___sys_sendmsg+0xee/0x170 [ 54.426763][ T73] __sys_sendmsg+0xcd/0x170 [ 54.426763][ T73] do_syscall_64+0xc6/0x1e0 [ 54.426763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.426763][ T73] [ 54.429669][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 54.429669][ T73] netdev_get_by_index+0x5e/0x80 [ 54.429669][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.429669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.429669][ T73] addrconf_f6i_alloc+0x315/0x560 [ 54.429669][ T73] ipv6_add_addr+0x411/0x2000 [ 54.429669][ T73] inet6_addr_add+0x30e/0xa40 [ 54.429669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.429669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.429669][ T73] netlink_rcv_skb+0x130/0x360 [ 54.429669][ T73] netlink_unicast+0x449/0x710 [ 54.429669][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.429669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.429669][ T73] ___sys_sendmsg+0xee/0x170 [ 54.429669][ T73] __sys_sendmsg+0xcd/0x170 [ 54.429669][ T73] do_syscall_64+0xc6/0x1e0 [ 54.429669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.429669][ T73] [ 54.432109][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 54.432109][ T73] netdev_get_by_index+0x5e/0x80 [ 54.432109][ T73] fib6_nh_init+0x3d8/0x1580 [ 54.432109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 54.432109][ T73] ip6_route_add+0x1c/0x140 [ 54.432109][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 54.432109][ T73] addrconf_add_dev+0xe2/0x170 [ 54.432109][ T73] inet6_addr_add+0x12f/0xa40 [ 54.432109][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 54.432109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.432109][ T73] netlink_rcv_skb+0x130/0x360 [ 54.432109][ T73] netlink_unicast+0x449/0x710 [ 54.432109][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.432109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.432109][ T73] ___sys_sendmsg+0xee/0x170 [ 54.432109][ T73] __sys_sendmsg+0xcd/0x170 [ 54.432109][ T73] do_syscall_64+0xc6/0x1e0 [ 54.432109][ T73] [ 54.434387][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 54.434387][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 54.434387][ T73] ipv6_find_idev+0x102/0x170 [ 54.434387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.434387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.434387][ T73] netlink_rcv_skb+0x130/0x360 [ 54.434387][ T73] netlink_unicast+0x449/0x710 [ 54.434387][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.434387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.434387][ T73] ___sys_sendmsg+0xee/0x170 [ 54.434387][ T73] __sys_sendmsg+0xcd/0x170 [ 54.434387][ T73] do_syscall_64+0xc6/0x1e0 [ 54.434387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.434387][ T73] [ 54.437162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 54.437162][ T73] neigh_parms_alloc+0x1e5/0x510 [ 54.437162][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 54.437162][ T73] ipv6_find_idev+0x102/0x170 [ 54.437162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.437162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.437162][ T73] netlink_rcv_skb+0x130/0x360 [ 54.437162][ T73] netlink_unicast+0x449/0x710 [ 54.437162][ T73] netlink_sendmsg+0x723/0xbe0 [ 54.437162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 54.437162][ T73] ___sys_sendmsg+0xee/0x170 [ 54.437162][ T73] __sys_sendmsg+0xcd/0x170 [ 54.437162][ T73] do_syscall_64+0xc6/0x1e0 [ 54.437162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.437162][ T73] [ 64.550844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 64.551194][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.551194][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 64.551194][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 64.551194][ T73] fib6_nh_init+0xa22/0x1580 [ 64.551194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.551194][ T73] ip6_route_add+0x1c/0x140 [ 64.551194][ T73] inet6_rtm_newroute+0x104/0x110 [ 64.551194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.551194][ T73] netlink_rcv_skb+0x130/0x360 [ 64.551194][ T73] netlink_unicast+0x449/0x710 [ 64.551194][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.551194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.551194][ T73] ___sys_sendmsg+0xee/0x170 [ 64.551194][ T73] __sys_sendmsg+0xcd/0x170 [ 64.551194][ T73] do_syscall_64+0xc6/0x1e0 [ 64.551194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.551194][ T73] [ 64.553110][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.553110][ T73] dst_init+0x84/0x4a0 [ 64.553110][ T73] dst_alloc+0x97/0x150 [ 64.553110][ T73] ip6_dst_alloc+0x23/0x90 [ 64.553110][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 64.553110][ T73] ip6_pol_route+0x56f/0x840 [ 64.553110][ T73] fib6_rule_lookup+0x456/0x630 [ 64.553110][ T73] ip6_route_input+0x59c/0xa50 [ 64.553110][ T73] ipv6_rcv+0x397/0x810 [ 64.553110][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 64.553110][ T73] process_backlog+0x101/0x620 [ 64.553110][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 64.553110][ T73] net_rx_action+0x495/0xbe0 [ 64.553110][ T73] __do_softirq+0x1b5/0x7f6 [ 64.553110][ T73] [ 64.554759][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.554759][ T73] netdev_get_by_index+0x5e/0x80 [ 64.554759][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.554759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.554759][ T73] ip6_route_add+0x1c/0x140 [ 64.554759][ T73] addrconf_prefix_route+0x2a6/0x430 [ 64.554759][ T73] inet6_addr_add+0x4f8/0xa40 [ 64.554759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.554759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.554759][ T73] netlink_rcv_skb+0x130/0x360 [ 64.554759][ T73] netlink_unicast+0x449/0x710 [ 64.554759][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.554759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.554759][ T73] ___sys_sendmsg+0xee/0x170 [ 64.554759][ T73] __sys_sendmsg+0xcd/0x170 [ 64.554759][ T73] do_syscall_64+0xc6/0x1e0 [ 64.554759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.554759][ T73] [ 64.556772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.556772][ T73] netdev_get_by_index+0x5e/0x80 [ 64.556772][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.556772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.556772][ T73] addrconf_f6i_alloc+0x315/0x560 [ 64.556772][ T73] ipv6_add_addr+0x411/0x2000 [ 64.556772][ T73] inet6_addr_add+0x30e/0xa40 [ 64.556772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.556772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.556772][ T73] netlink_rcv_skb+0x130/0x360 [ 64.556772][ T73] netlink_unicast+0x449/0x710 [ 64.556772][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.556772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.556772][ T73] ___sys_sendmsg+0xee/0x170 [ 64.556772][ T73] __sys_sendmsg+0xcd/0x170 [ 64.556772][ T73] do_syscall_64+0xc6/0x1e0 [ 64.556772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.556772][ T73] [ 64.558809][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.558809][ T73] netdev_get_by_index+0x5e/0x80 [ 64.558809][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.558809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.558809][ T73] ip6_route_add+0x1c/0x140 [ 64.558809][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 64.558809][ T73] addrconf_add_dev+0xe2/0x170 [ 64.558809][ T73] inet6_addr_add+0x12f/0xa40 [ 64.558809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.558809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.558809][ T73] netlink_rcv_skb+0x130/0x360 [ 64.558809][ T73] netlink_unicast+0x449/0x710 [ 64.558809][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.558809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.558809][ T73] ___sys_sendmsg+0xee/0x170 [ 64.558809][ T73] __sys_sendmsg+0xcd/0x170 [ 64.558809][ T73] do_syscall_64+0xc6/0x1e0 [ 64.558809][ T73] [ 64.560825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.560825][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 64.560825][ T73] ipv6_find_idev+0x102/0x170 [ 64.560825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.560825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.560825][ T73] netlink_rcv_skb+0x130/0x360 [ 64.560825][ T73] netlink_unicast+0x449/0x710 [ 64.560825][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.560825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.560825][ T73] ___sys_sendmsg+0xee/0x170 [ 64.560825][ T73] __sys_sendmsg+0xcd/0x170 [ 64.560825][ T73] do_syscall_64+0xc6/0x1e0 [ 64.560825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.560825][ T73] [ 64.562398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 64.562398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 64.562398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 64.562398][ T73] ipv6_find_idev+0x102/0x170 [ 64.562398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.562398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.562398][ T73] netlink_rcv_skb+0x130/0x360 [ 64.562398][ T73] netlink_unicast+0x449/0x710 [ 64.562398][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.562398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.562398][ T73] ___sys_sendmsg+0xee/0x170 [ 64.562398][ T73] __sys_sendmsg+0xcd/0x170 [ 64.562398][ T73] do_syscall_64+0xc6/0x1e0 [ 64.562398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.562398][ T73] [ 64.564169][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 64.564575][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.564575][ T73] dst_init+0x84/0x4a0 [ 64.564575][ T73] dst_alloc+0x97/0x150 [ 64.564575][ T73] ip6_dst_alloc+0x23/0x90 [ 64.564575][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 64.564575][ T73] ip6_pol_route+0x56f/0x840 [ 64.564575][ T73] fib6_rule_lookup+0x456/0x630 [ 64.564575][ T73] ip6_route_input+0x59c/0xa50 [ 64.564575][ T73] ipv6_rcv+0x397/0x810 [ 64.564575][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 64.564575][ T73] process_backlog+0x101/0x620 [ 64.564575][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 64.564575][ T73] net_rx_action+0x495/0xbe0 [ 64.564575][ T73] __do_softirq+0x1b5/0x7f6 [ 64.564575][ T73] [ 64.566374][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.566374][ T73] netdev_get_by_index+0x5e/0x80 [ 64.566374][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.566374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.566374][ T73] addrconf_f6i_alloc+0x265/0x560 [ 64.566374][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 64.566374][ T73] addrconf_join_anycast+0x1c0/0x220 [ 64.566374][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 64.566374][ T73] addrconf_dad_completed+0x12b/0xe20 [ 64.566374][ T73] addrconf_dad_begin+0x310/0x670 [ 64.566374][ T73] addrconf_dad_work+0x10b/0xab0 [ 64.566374][ T73] process_one_work+0x84d/0x18a0 [ 64.566374][ T73] worker_thread+0x587/0xd30 [ 64.566374][ T73] kthread+0x28a/0x350 [ 64.566374][ T73] ret_from_fork+0x31/0x70 [ 64.566374][ T73] ret_from_fork_asm+0x1a/0x30 [ 64.566374][ T73] [ 64.568580][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.568580][ T73] netdev_get_by_index+0x5e/0x80 [ 64.568580][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.568580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.568580][ T73] ip6_route_add+0x1c/0x140 [ 64.568580][ T73] addrconf_prefix_route+0x2a6/0x430 [ 64.568580][ T73] inet6_addr_add+0x4f8/0xa40 [ 64.568580][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.568580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.568580][ T73] netlink_rcv_skb+0x130/0x360 [ 64.568580][ T73] netlink_unicast+0x449/0x710 [ 64.568580][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.568580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.568580][ T73] ___sys_sendmsg+0xee/0x170 [ 64.568580][ T73] __sys_sendmsg+0xcd/0x170 [ 64.568580][ T73] do_syscall_64+0xc6/0x1e0 [ 64.568580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.568580][ T73] [ 64.570869][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.570869][ T73] netdev_get_by_index+0x5e/0x80 [ 64.570869][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.570869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.570869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 64.570869][ T73] ipv6_add_addr+0x411/0x2000 [ 64.570869][ T73] inet6_addr_add+0x30e/0xa40 [ 64.570869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.570869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.570869][ T73] netlink_rcv_skb+0x130/0x360 [ 64.570869][ T73] netlink_unicast+0x449/0x710 [ 64.570869][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.570869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.570869][ T73] ___sys_sendmsg+0xee/0x170 [ 64.570869][ T73] __sys_sendmsg+0xcd/0x170 [ 64.570869][ T73] do_syscall_64+0xc6/0x1e0 [ 64.570869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.570869][ T73] [ 64.573099][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.573099][ T73] netdev_get_by_index+0x5e/0x80 [ 64.573099][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.573099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.573099][ T73] ip6_route_add+0x1c/0x140 [ 64.573099][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 64.573099][ T73] addrconf_add_dev+0xe2/0x170 [ 64.573099][ T73] inet6_addr_add+0x12f/0xa40 [ 64.573099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.573099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.573099][ T73] netlink_rcv_skb+0x130/0x360 [ 64.573099][ T73] netlink_unicast+0x449/0x710 [ 64.573099][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.573099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.573099][ T73] ___sys_sendmsg+0xee/0x170 [ 64.573099][ T73] __sys_sendmsg+0xcd/0x170 [ 64.573099][ T73] do_syscall_64+0xc6/0x1e0 [ 64.573099][ T73] [ 64.575345][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.575345][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 64.575345][ T73] ipv6_find_idev+0x102/0x170 [ 64.575345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.575345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.575345][ T73] netlink_rcv_skb+0x130/0x360 [ 64.575345][ T73] netlink_unicast+0x449/0x710 [ 64.575345][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.575345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.575345][ T73] ___sys_sendmsg+0xee/0x170 [ 64.575345][ T73] __sys_sendmsg+0xcd/0x170 [ 64.575345][ T73] do_syscall_64+0xc6/0x1e0 [ 64.575345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.575345][ T73] [ 64.577238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 64.577238][ T73] neigh_parms_alloc+0x1e5/0x510 [ 64.577238][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 64.577238][ T73] ipv6_find_idev+0x102/0x170 [ 64.577238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.577238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.577238][ T73] netlink_rcv_skb+0x130/0x360 [ 64.577238][ T73] netlink_unicast+0x449/0x710 [ 64.577238][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.577238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.577238][ T73] ___sys_sendmsg+0xee/0x170 [ 64.577238][ T73] __sys_sendmsg+0xcd/0x170 [ 64.577238][ T73] do_syscall_64+0xc6/0x1e0 [ 64.577238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.577238][ T73] [ 64.579142][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 64.579419][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.579419][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 64.579419][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 64.579419][ T73] fib6_nh_init+0xa22/0x1580 [ 64.579419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.579419][ T73] ip6_route_add+0x1c/0x140 [ 64.579419][ T73] inet6_rtm_newroute+0x104/0x110 [ 64.579419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.579419][ T73] netlink_rcv_skb+0x130/0x360 [ 64.579419][ T73] netlink_unicast+0x449/0x710 [ 64.579419][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.579419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.579419][ T73] ___sys_sendmsg+0xee/0x170 [ 64.579419][ T73] __sys_sendmsg+0xcd/0x170 [ 64.579419][ T73] do_syscall_64+0xc6/0x1e0 [ 64.579419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.579419][ T73] [ 64.581390][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.581390][ T73] dst_init+0x84/0x4a0 [ 64.581390][ T73] dst_alloc+0x97/0x150 [ 64.581390][ T73] ip6_dst_alloc+0x23/0x90 [ 64.581390][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 64.581390][ T73] ip6_pol_route+0x56f/0x840 [ 64.581390][ T73] fib6_rule_lookup+0x456/0x630 [ 64.581390][ T73] ip6_route_input+0x59c/0xa50 [ 64.581390][ T73] ipv6_rcv+0x397/0x810 [ 64.581390][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 64.581390][ T73] process_backlog+0x101/0x620 [ 64.581390][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 64.581390][ T73] net_rx_action+0x495/0xbe0 [ 64.581390][ T73] __do_softirq+0x1b5/0x7f6 [ 64.581390][ T73] [ 64.583106][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.583106][ T73] netdev_get_by_index+0x5e/0x80 [ 64.583106][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.583106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.583106][ T73] ip6_route_add+0x1c/0x140 [ 64.583106][ T73] addrconf_prefix_route+0x2a6/0x430 [ 64.583106][ T73] inet6_addr_add+0x4f8/0xa40 [ 64.583106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.583106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.583106][ T73] netlink_rcv_skb+0x130/0x360 [ 64.583106][ T73] netlink_unicast+0x449/0x710 [ 64.583106][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.583106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.583106][ T73] ___sys_sendmsg+0xee/0x170 [ 64.583106][ T73] __sys_sendmsg+0xcd/0x170 [ 64.583106][ T73] do_syscall_64+0xc6/0x1e0 [ 64.583106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.583106][ T73] [ 64.585395][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.585395][ T73] netdev_get_by_index+0x5e/0x80 [ 64.585395][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.585395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.585395][ T73] addrconf_f6i_alloc+0x315/0x560 [ 64.585395][ T73] ipv6_add_addr+0x411/0x2000 [ 64.585395][ T73] inet6_addr_add+0x30e/0xa40 [ 64.585395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.585395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.585395][ T73] netlink_rcv_skb+0x130/0x360 [ 64.585395][ T73] netlink_unicast+0x449/0x710 [ 64.585395][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.585395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.585395][ T73] ___sys_sendmsg+0xee/0x170 [ 64.585395][ T73] __sys_sendmsg+0xcd/0x170 [ 64.585395][ T73] do_syscall_64+0xc6/0x1e0 [ 64.585395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.585395][ T73] [ 64.587605][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.587605][ T73] netdev_get_by_index+0x5e/0x80 [ 64.587605][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.587605][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.587605][ T73] ip6_route_add+0x1c/0x140 [ 64.587605][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 64.587605][ T73] addrconf_add_dev+0xe2/0x170 [ 64.587605][ T73] inet6_addr_add+0x12f/0xa40 [ 64.587605][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.587605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.587605][ T73] netlink_rcv_skb+0x130/0x360 [ 64.587605][ T73] netlink_unicast+0x449/0x710 [ 64.587605][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.587605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.587605][ T73] ___sys_sendmsg+0xee/0x170 [ 64.587605][ T73] __sys_sendmsg+0xcd/0x170 [ 64.587605][ T73] do_syscall_64+0xc6/0x1e0 [ 64.587605][ T73] [ 64.589787][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.589787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 64.589787][ T73] ipv6_find_idev+0x102/0x170 [ 64.589787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.589787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.589787][ T73] netlink_rcv_skb+0x130/0x360 [ 64.589787][ T73] netlink_unicast+0x449/0x710 [ 64.589787][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.589787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.589787][ T73] ___sys_sendmsg+0xee/0x170 [ 64.589787][ T73] __sys_sendmsg+0xcd/0x170 [ 64.589787][ T73] do_syscall_64+0xc6/0x1e0 [ 64.589787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.589787][ T73] [ 64.591640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 64.591640][ T73] neigh_parms_alloc+0x1e5/0x510 [ 64.591640][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 64.591640][ T73] ipv6_find_idev+0x102/0x170 [ 64.591640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.591640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.591640][ T73] netlink_rcv_skb+0x130/0x360 [ 64.591640][ T73] netlink_unicast+0x449/0x710 [ 64.591640][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.591640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.591640][ T73] ___sys_sendmsg+0xee/0x170 [ 64.591640][ T73] __sys_sendmsg+0xcd/0x170 [ 64.591640][ T73] do_syscall_64+0xc6/0x1e0 [ 64.591640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.591640][ T73] [ 64.593522][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 64.593874][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 64.593874][ T73] netdev_get_by_index+0x5e/0x80 [ 64.593874][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.593874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.593874][ T73] addrconf_f6i_alloc+0x265/0x560 [ 64.593874][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 64.593874][ T73] addrconf_join_anycast+0x1c0/0x220 [ 64.593874][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 64.593874][ T73] addrconf_dad_completed+0x12b/0xe20 [ 64.593874][ T73] addrconf_dad_begin+0x310/0x670 [ 64.593874][ T73] addrconf_dad_work+0x10b/0xab0 [ 64.593874][ T73] process_one_work+0x84d/0x18a0 [ 64.593874][ T73] worker_thread+0x587/0xd30 [ 64.593874][ T73] kthread+0x28a/0x350 [ 64.593874][ T73] ret_from_fork+0x31/0x70 [ 64.593874][ T73] ret_from_fork_asm+0x1a/0x30 [ 64.593874][ T73] [ 64.596057][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 64.596057][ T73] netdev_get_by_index+0x5e/0x80 [ 64.596057][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.596057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.596057][ T73] ip6_route_add+0x1c/0x140 [ 64.596057][ T73] addrconf_prefix_route+0x2a6/0x430 [ 64.596057][ T73] inet6_addr_add+0x4f8/0xa40 [ 64.596057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.596057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.596057][ T73] netlink_rcv_skb+0x130/0x360 [ 64.596057][ T73] netlink_unicast+0x449/0x710 [ 64.596057][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.596057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.596057][ T73] ___sys_sendmsg+0xee/0x170 [ 64.596057][ T73] __sys_sendmsg+0xcd/0x170 [ 64.596057][ T73] do_syscall_64+0xc6/0x1e0 [ 64.596057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.596057][ T73] [ 64.598487][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 64.598487][ T73] netdev_get_by_index+0x5e/0x80 [ 64.598487][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.598487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.598487][ T73] addrconf_f6i_alloc+0x315/0x560 [ 64.598487][ T73] ipv6_add_addr+0x411/0x2000 [ 64.598487][ T73] inet6_addr_add+0x30e/0xa40 [ 64.598487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.598487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.598487][ T73] netlink_rcv_skb+0x130/0x360 [ 64.598487][ T73] netlink_unicast+0x449/0x710 [ 64.598487][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.598487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.598487][ T73] ___sys_sendmsg+0xee/0x170 [ 64.598487][ T73] __sys_sendmsg+0xcd/0x170 [ 64.598487][ T73] do_syscall_64+0xc6/0x1e0 [ 64.598487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.598487][ T73] [ 64.600848][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 64.600848][ T73] netdev_get_by_index+0x5e/0x80 [ 64.600848][ T73] fib6_nh_init+0x3d8/0x1580 [ 64.600848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 64.600848][ T73] ip6_route_add+0x1c/0x140 [ 64.600848][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 64.600848][ T73] addrconf_add_dev+0xe2/0x170 [ 64.600848][ T73] inet6_addr_add+0x12f/0xa40 [ 64.600848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 64.600848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.600848][ T73] netlink_rcv_skb+0x130/0x360 [ 64.600848][ T73] netlink_unicast+0x449/0x710 [ 64.600848][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.600848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.600848][ T73] ___sys_sendmsg+0xee/0x170 [ 64.600848][ T73] __sys_sendmsg+0xcd/0x170 [ 64.600848][ T73] do_syscall_64+0xc6/0x1e0 [ 64.600848][ T73] [ 64.603193][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 64.603193][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 64.603193][ T73] ipv6_find_idev+0x102/0x170 [ 64.603193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.603193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.603193][ T73] netlink_rcv_skb+0x130/0x360 [ 64.603193][ T73] netlink_unicast+0x449/0x710 [ 64.603193][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.603193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.603193][ T73] ___sys_sendmsg+0xee/0x170 [ 64.603193][ T73] __sys_sendmsg+0xcd/0x170 [ 64.603193][ T73] do_syscall_64+0xc6/0x1e0 [ 64.603193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.603193][ T73] [ 64.605015][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 64.605015][ T73] neigh_parms_alloc+0x1e5/0x510 [ 64.605015][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 64.605015][ T73] ipv6_find_idev+0x102/0x170 [ 64.605015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.605015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.605015][ T73] netlink_rcv_skb+0x130/0x360 [ 64.605015][ T73] netlink_unicast+0x449/0x710 [ 64.605015][ T73] netlink_sendmsg+0x723/0xbe0 [ 64.605015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 64.605015][ T73] ___sys_sendmsg+0xee/0x170 [ 64.605015][ T73] __sys_sendmsg+0xcd/0x170 [ 64.605015][ T73] do_syscall_64+0xc6/0x1e0 [ 64.605015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.605015][ T73] [ 73.812130][ C1] hrtimer: interrupt took 4200628 ns [ 74.890376][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 74.893115][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.893115][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 74.893115][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 74.893115][ T73] fib6_nh_init+0xa22/0x1580 [ 74.893115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.893115][ T73] ip6_route_add+0x1c/0x140 [ 74.893115][ T73] inet6_rtm_newroute+0x104/0x110 [ 74.893115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.893115][ T73] netlink_rcv_skb+0x130/0x360 [ 74.893115][ T73] netlink_unicast+0x449/0x710 [ 74.893115][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.893115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.893115][ T73] ___sys_sendmsg+0xee/0x170 [ 74.893115][ T73] __sys_sendmsg+0xcd/0x170 [ 74.893115][ T73] do_syscall_64+0xc6/0x1e0 [ 74.893115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.893115][ T73] [ 74.899848][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.899848][ T73] dst_init+0x84/0x4a0 [ 74.899848][ T73] dst_alloc+0x97/0x150 [ 74.899848][ T73] ip6_dst_alloc+0x23/0x90 [ 74.899848][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 74.899848][ T73] ip6_pol_route+0x56f/0x840 [ 74.899848][ T73] fib6_rule_lookup+0x456/0x630 [ 74.899848][ T73] ip6_route_input+0x59c/0xa50 [ 74.899848][ T73] ipv6_rcv+0x397/0x810 [ 74.899848][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 74.899848][ T73] process_backlog+0x101/0x620 [ 74.899848][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 74.899848][ T73] net_rx_action+0x495/0xbe0 [ 74.899848][ T73] __do_softirq+0x1b5/0x7f6 [ 74.899848][ T73] [ 74.904597][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.904597][ T73] netdev_get_by_index+0x5e/0x80 [ 74.904597][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.904597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.904597][ T73] ip6_route_add+0x1c/0x140 [ 74.904597][ T73] addrconf_prefix_route+0x2a6/0x430 [ 74.904597][ T73] inet6_addr_add+0x4f8/0xa40 [ 74.904597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.904597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.904597][ T73] netlink_rcv_skb+0x130/0x360 [ 74.904597][ T73] netlink_unicast+0x449/0x710 [ 74.904597][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.904597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.904597][ T73] ___sys_sendmsg+0xee/0x170 [ 74.904597][ T73] __sys_sendmsg+0xcd/0x170 [ 74.904597][ T73] do_syscall_64+0xc6/0x1e0 [ 74.904597][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.904597][ T73] [ 74.922636][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.922636][ T73] netdev_get_by_index+0x5e/0x80 [ 74.922636][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.922636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.922636][ T73] addrconf_f6i_alloc+0x315/0x560 [ 74.922636][ T73] ipv6_add_addr+0x411/0x2000 [ 74.922636][ T73] inet6_addr_add+0x30e/0xa40 [ 74.922636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.922636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.922636][ T73] netlink_rcv_skb+0x130/0x360 [ 74.922636][ T73] netlink_unicast+0x449/0x710 [ 74.922636][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.922636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.922636][ T73] ___sys_sendmsg+0xee/0x170 [ 74.922636][ T73] __sys_sendmsg+0xcd/0x170 [ 74.922636][ T73] do_syscall_64+0xc6/0x1e0 [ 74.922636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.922636][ T73] [ 74.926219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.926219][ T73] netdev_get_by_index+0x5e/0x80 [ 74.926219][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.926219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.926219][ T73] ip6_route_add+0x1c/0x140 [ 74.926219][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 74.926219][ T73] addrconf_add_dev+0xe2/0x170 [ 74.926219][ T73] inet6_addr_add+0x12f/0xa40 [ 74.926219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.926219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.926219][ T73] netlink_rcv_skb+0x130/0x360 [ 74.926219][ T73] netlink_unicast+0x449/0x710 [ 74.926219][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.926219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.926219][ T73] ___sys_sendmsg+0xee/0x170 [ 74.926219][ T73] __sys_sendmsg+0xcd/0x170 [ 74.926219][ T73] do_syscall_64+0xc6/0x1e0 [ 74.926219][ T73] [ 74.929603][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.929603][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 74.929603][ T73] ipv6_find_idev+0x102/0x170 [ 74.929603][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 74.929603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.929603][ T73] netlink_rcv_skb+0x130/0x360 [ 74.929603][ T73] netlink_unicast+0x449/0x710 [ 74.929603][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.929603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.929603][ T73] ___sys_sendmsg+0xee/0x170 [ 74.929603][ T73] __sys_sendmsg+0xcd/0x170 [ 74.929603][ T73] do_syscall_64+0xc6/0x1e0 [ 74.929603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.929603][ T73] [ 74.933341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 74.933341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 74.933341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 74.933341][ T73] ipv6_find_idev+0x102/0x170 [ 74.933341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 74.933341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.933341][ T73] netlink_rcv_skb+0x130/0x360 [ 74.933341][ T73] netlink_unicast+0x449/0x710 [ 74.933341][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.933341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.933341][ T73] ___sys_sendmsg+0xee/0x170 [ 74.933341][ T73] __sys_sendmsg+0xcd/0x170 [ 74.933341][ T73] do_syscall_64+0xc6/0x1e0 [ 74.933341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.933341][ T73] [ 74.943603][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 74.944189][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.944189][ T73] dst_init+0x84/0x4a0 [ 74.944189][ T73] dst_alloc+0x97/0x150 [ 74.944189][ T73] ip6_dst_alloc+0x23/0x90 [ 74.944189][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 74.944189][ T73] ip6_pol_route+0x56f/0x840 [ 74.944189][ T73] fib6_rule_lookup+0x456/0x630 [ 74.944189][ T73] ip6_route_input+0x59c/0xa50 [ 74.944189][ T73] ipv6_rcv+0x397/0x810 [ 74.944189][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 74.944189][ T73] process_backlog+0x101/0x620 [ 74.944189][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 74.944189][ T73] net_rx_action+0x495/0xbe0 [ 74.944189][ T73] __do_softirq+0x1b5/0x7f6 [ 74.944189][ T73] [ 74.947370][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.947370][ T73] netdev_get_by_index+0x5e/0x80 [ 74.947370][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.947370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.947370][ T73] addrconf_f6i_alloc+0x265/0x560 [ 74.947370][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 74.947370][ T73] addrconf_join_anycast+0x1c0/0x220 [ 74.947370][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 74.947370][ T73] addrconf_dad_completed+0x12b/0xe20 [ 74.947370][ T73] addrconf_dad_begin+0x310/0x670 [ 74.947370][ T73] addrconf_dad_work+0x10b/0xab0 [ 74.947370][ T73] process_one_work+0x84d/0x18a0 [ 74.947370][ T73] worker_thread+0x587/0xd30 [ 74.947370][ T73] kthread+0x28a/0x350 [ 74.947370][ T73] ret_from_fork+0x31/0x70 [ 74.947370][ T73] ret_from_fork_asm+0x1a/0x30 [ 74.947370][ T73] [ 74.962778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.962778][ T73] netdev_get_by_index+0x5e/0x80 [ 74.962778][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.962778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.962778][ T73] ip6_route_add+0x1c/0x140 [ 74.962778][ T73] addrconf_prefix_route+0x2a6/0x430 [ 74.962778][ T73] inet6_addr_add+0x4f8/0xa40 [ 74.962778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.962778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.962778][ T73] netlink_rcv_skb+0x130/0x360 [ 74.962778][ T73] netlink_unicast+0x449/0x710 [ 74.962778][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.962778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.962778][ T73] ___sys_sendmsg+0xee/0x170 [ 74.962778][ T73] __sys_sendmsg+0xcd/0x170 [ 74.962778][ T73] do_syscall_64+0xc6/0x1e0 [ 74.962778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.962778][ T73] [ 74.967209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.967209][ T73] netdev_get_by_index+0x5e/0x80 [ 74.967209][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.967209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.967209][ T73] addrconf_f6i_alloc+0x315/0x560 [ 74.967209][ T73] ipv6_add_addr+0x411/0x2000 [ 74.967209][ T73] inet6_addr_add+0x30e/0xa40 [ 74.967209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.967209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.967209][ T73] netlink_rcv_skb+0x130/0x360 [ 74.967209][ T73] netlink_unicast+0x449/0x710 [ 74.967209][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.967209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.967209][ T73] ___sys_sendmsg+0xee/0x170 [ 74.967209][ T73] __sys_sendmsg+0xcd/0x170 [ 74.967209][ T73] do_syscall_64+0xc6/0x1e0 [ 74.967209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.967209][ T73] [ 74.971813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.971813][ T73] netdev_get_by_index+0x5e/0x80 [ 74.971813][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.971813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.971813][ T73] ip6_route_add+0x1c/0x140 [ 74.971813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 74.971813][ T73] addrconf_add_dev+0xe2/0x170 [ 74.971813][ T73] inet6_addr_add+0x12f/0xa40 [ 74.971813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.971813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.971813][ T73] netlink_rcv_skb+0x130/0x360 [ 74.971813][ T73] netlink_unicast+0x449/0x710 [ 74.971813][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.971813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.971813][ T73] ___sys_sendmsg+0xee/0x170 [ 74.971813][ T73] __sys_sendmsg+0xcd/0x170 [ 74.971813][ T73] do_syscall_64+0xc6/0x1e0 [ 74.971813][ T73] [ 74.976353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.976353][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 74.976353][ T73] ipv6_find_idev+0x102/0x170 [ 74.976353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 74.976353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.976353][ T73] netlink_rcv_skb+0x130/0x360 [ 74.976353][ T73] netlink_unicast+0x449/0x710 [ 74.976353][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.976353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.976353][ T73] ___sys_sendmsg+0xee/0x170 [ 74.976353][ T73] __sys_sendmsg+0xcd/0x170 [ 74.976353][ T73] do_syscall_64+0xc6/0x1e0 [ 74.976353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.976353][ T73] [ 74.979942][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 74.979942][ T73] neigh_parms_alloc+0x1e5/0x510 [ 74.979942][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 74.979942][ T73] ipv6_find_idev+0x102/0x170 [ 74.979942][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 74.979942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.979942][ T73] netlink_rcv_skb+0x130/0x360 [ 74.979942][ T73] netlink_unicast+0x449/0x710 [ 74.979942][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.979942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.979942][ T73] ___sys_sendmsg+0xee/0x170 [ 74.979942][ T73] __sys_sendmsg+0xcd/0x170 [ 74.979942][ T73] do_syscall_64+0xc6/0x1e0 [ 74.979942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.979942][ T73] [ 74.983909][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 74.984616][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 74.984616][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 74.984616][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 74.984616][ T73] fib6_nh_init+0xa22/0x1580 [ 74.984616][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.984616][ T73] ip6_route_add+0x1c/0x140 [ 74.984616][ T73] inet6_rtm_newroute+0x104/0x110 [ 74.984616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.984616][ T73] netlink_rcv_skb+0x130/0x360 [ 74.984616][ T73] netlink_unicast+0x449/0x710 [ 74.984616][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.984616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.984616][ T73] ___sys_sendmsg+0xee/0x170 [ 74.984616][ T73] __sys_sendmsg+0xcd/0x170 [ 74.984616][ T73] do_syscall_64+0xc6/0x1e0 [ 74.984616][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.984616][ T73] [ 74.988566][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 74.988566][ T73] dst_init+0x84/0x4a0 [ 74.988566][ T73] dst_alloc+0x97/0x150 [ 74.988566][ T73] ip6_dst_alloc+0x23/0x90 [ 74.988566][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 74.988566][ T73] ip6_pol_route+0x56f/0x840 [ 74.988566][ T73] fib6_rule_lookup+0x456/0x630 [ 74.988566][ T73] ip6_route_input+0x59c/0xa50 [ 74.988566][ T73] ipv6_rcv+0x397/0x810 [ 74.988566][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 74.988566][ T73] process_backlog+0x101/0x620 [ 74.988566][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 74.988566][ T73] net_rx_action+0x495/0xbe0 [ 74.988566][ T73] __do_softirq+0x1b5/0x7f6 [ 74.988566][ T73] [ 74.991820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 74.991820][ T73] netdev_get_by_index+0x5e/0x80 [ 74.991820][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.991820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.991820][ T73] ip6_route_add+0x1c/0x140 [ 74.991820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 74.991820][ T73] inet6_addr_add+0x4f8/0xa40 [ 74.991820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.991820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.991820][ T73] netlink_rcv_skb+0x130/0x360 [ 74.991820][ T73] netlink_unicast+0x449/0x710 [ 74.991820][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.991820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.991820][ T73] ___sys_sendmsg+0xee/0x170 [ 74.991820][ T73] __sys_sendmsg+0xcd/0x170 [ 74.991820][ T73] do_syscall_64+0xc6/0x1e0 [ 74.991820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.991820][ T73] [ 74.995547][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 74.995547][ T73] netdev_get_by_index+0x5e/0x80 [ 74.995547][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.995547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.995547][ T73] addrconf_f6i_alloc+0x315/0x560 [ 74.995547][ T73] ipv6_add_addr+0x411/0x2000 [ 74.995547][ T73] inet6_addr_add+0x30e/0xa40 [ 74.995547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.995547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.995547][ T73] netlink_rcv_skb+0x130/0x360 [ 74.995547][ T73] netlink_unicast+0x449/0x710 [ 74.995547][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.995547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.995547][ T73] ___sys_sendmsg+0xee/0x170 [ 74.995547][ T73] __sys_sendmsg+0xcd/0x170 [ 74.995547][ T73] do_syscall_64+0xc6/0x1e0 [ 74.995547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.995547][ T73] [ 74.999311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 74.999311][ T73] netdev_get_by_index+0x5e/0x80 [ 74.999311][ T73] fib6_nh_init+0x3d8/0x1580 [ 74.999311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 74.999311][ T73] ip6_route_add+0x1c/0x140 [ 74.999311][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 74.999311][ T73] addrconf_add_dev+0xe2/0x170 [ 74.999311][ T73] inet6_addr_add+0x12f/0xa40 [ 74.999311][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 74.999311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 74.999311][ T73] netlink_rcv_skb+0x130/0x360 [ 74.999311][ T73] netlink_unicast+0x449/0x710 [ 74.999311][ T73] netlink_sendmsg+0x723/0xbe0 [ 74.999311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 74.999311][ T73] ___sys_sendmsg+0xee/0x170 [ 74.999311][ T73] __sys_sendmsg+0xcd/0x170 [ 74.999311][ T73] do_syscall_64+0xc6/0x1e0 [ 74.999311][ T73] [ 75.003503][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 75.003503][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 75.003503][ T73] ipv6_find_idev+0x102/0x170 [ 75.003503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.003503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.003503][ T73] netlink_rcv_skb+0x130/0x360 [ 75.003503][ T73] netlink_unicast+0x449/0x710 [ 75.003503][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.003503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.003503][ T73] ___sys_sendmsg+0xee/0x170 [ 75.003503][ T73] __sys_sendmsg+0xcd/0x170 [ 75.003503][ T73] do_syscall_64+0xc6/0x1e0 [ 75.003503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.003503][ T73] [ 75.006362][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 75.006362][ T73] neigh_parms_alloc+0x1e5/0x510 [ 75.006362][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 75.006362][ T73] ipv6_find_idev+0x102/0x170 [ 75.006362][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.006362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.006362][ T73] netlink_rcv_skb+0x130/0x360 [ 75.006362][ T73] netlink_unicast+0x449/0x710 [ 75.006362][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.006362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.006362][ T73] ___sys_sendmsg+0xee/0x170 [ 75.006362][ T73] __sys_sendmsg+0xcd/0x170 [ 75.006362][ T73] do_syscall_64+0xc6/0x1e0 [ 75.006362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.006362][ T73] [ 75.010279][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 75.011016][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 75.011016][ T73] netdev_get_by_index+0x5e/0x80 [ 75.011016][ T73] fib6_nh_init+0x3d8/0x1580 [ 75.011016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 75.011016][ T73] addrconf_f6i_alloc+0x265/0x560 [ 75.011016][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 75.011016][ T73] addrconf_join_anycast+0x1c0/0x220 [ 75.011016][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 75.011016][ T73] addrconf_dad_completed+0x12b/0xe20 [ 75.011016][ T73] addrconf_dad_begin+0x310/0x670 [ 75.011016][ T73] addrconf_dad_work+0x10b/0xab0 [ 75.011016][ T73] process_one_work+0x84d/0x18a0 [ 75.011016][ T73] worker_thread+0x587/0xd30 [ 75.011016][ T73] kthread+0x28a/0x350 [ 75.011016][ T73] ret_from_fork+0x31/0x70 [ 75.011016][ T73] ret_from_fork_asm+0x1a/0x30 [ 75.011016][ T73] [ 75.014535][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 75.014535][ T73] netdev_get_by_index+0x5e/0x80 [ 75.014535][ T73] fib6_nh_init+0x3d8/0x1580 [ 75.014535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 75.014535][ T73] ip6_route_add+0x1c/0x140 [ 75.014535][ T73] addrconf_prefix_route+0x2a6/0x430 [ 75.014535][ T73] inet6_addr_add+0x4f8/0xa40 [ 75.014535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 75.014535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.014535][ T73] netlink_rcv_skb+0x130/0x360 [ 75.014535][ T73] netlink_unicast+0x449/0x710 [ 75.014535][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.014535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.014535][ T73] ___sys_sendmsg+0xee/0x170 [ 75.014535][ T73] __sys_sendmsg+0xcd/0x170 [ 75.014535][ T73] do_syscall_64+0xc6/0x1e0 [ 75.014535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.014535][ T73] [ 75.033092][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 75.033092][ T73] netdev_get_by_index+0x5e/0x80 [ 75.033092][ T73] fib6_nh_init+0x3d8/0x1580 [ 75.033092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 75.033092][ T73] addrconf_f6i_alloc+0x315/0x560 [ 75.033092][ T73] ipv6_add_addr+0x411/0x2000 [ 75.033092][ T73] inet6_addr_add+0x30e/0xa40 [ 75.033092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 75.033092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.033092][ T73] netlink_rcv_skb+0x130/0x360 [ 75.033092][ T73] netlink_unicast+0x449/0x710 [ 75.033092][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.033092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.033092][ T73] ___sys_sendmsg+0xee/0x170 [ 75.033092][ T73] __sys_sendmsg+0xcd/0x170 [ 75.033092][ T73] do_syscall_64+0xc6/0x1e0 [ 75.033092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.033092][ T73] [ 75.037040][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 75.037040][ T73] netdev_get_by_index+0x5e/0x80 [ 75.037040][ T73] fib6_nh_init+0x3d8/0x1580 [ 75.037040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 75.037040][ T73] ip6_route_add+0x1c/0x140 [ 75.037040][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 75.037040][ T73] addrconf_add_dev+0xe2/0x170 [ 75.037040][ T73] inet6_addr_add+0x12f/0xa40 [ 75.037040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 75.037040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.037040][ T73] netlink_rcv_skb+0x130/0x360 [ 75.037040][ T73] netlink_unicast+0x449/0x710 [ 75.037040][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.037040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.037040][ T73] ___sys_sendmsg+0xee/0x170 [ 75.037040][ T73] __sys_sendmsg+0xcd/0x170 [ 75.037040][ T73] do_syscall_64+0xc6/0x1e0 [ 75.037040][ T73] [ 75.041073][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 75.041073][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 75.041073][ T73] ipv6_find_idev+0x102/0x170 [ 75.041073][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.041073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.041073][ T73] netlink_rcv_skb+0x130/0x360 [ 75.041073][ T73] netlink_unicast+0x449/0x710 [ 75.041073][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.041073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.041073][ T73] ___sys_sendmsg+0xee/0x170 [ 75.041073][ T73] __sys_sendmsg+0xcd/0x170 [ 75.041073][ T73] do_syscall_64+0xc6/0x1e0 [ 75.041073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.041073][ T73] [ 75.044599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 75.044599][ T73] neigh_parms_alloc+0x1e5/0x510 [ 75.044599][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 75.044599][ T73] ipv6_find_idev+0x102/0x170 [ 75.044599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.044599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.044599][ T73] netlink_rcv_skb+0x130/0x360 [ 75.044599][ T73] netlink_unicast+0x449/0x710 [ 75.044599][ T73] netlink_sendmsg+0x723/0xbe0 [ 75.044599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 75.044599][ T73] ___sys_sendmsg+0xee/0x170 [ 75.044599][ T73] __sys_sendmsg+0xcd/0x170 [ 75.044599][ T73] do_syscall_64+0xc6/0x1e0 [ 75.044599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.044599][ T73] [ 85.262139][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 85.262700][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.262700][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 85.262700][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 85.262700][ T73] fib6_nh_init+0xa22/0x1580 [ 85.262700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.262700][ T73] ip6_route_add+0x1c/0x140 [ 85.262700][ T73] inet6_rtm_newroute+0x104/0x110 [ 85.262700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.262700][ T73] netlink_rcv_skb+0x130/0x360 [ 85.262700][ T73] netlink_unicast+0x449/0x710 [ 85.262700][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.262700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.262700][ T73] ___sys_sendmsg+0xee/0x170 [ 85.262700][ T73] __sys_sendmsg+0xcd/0x170 [ 85.262700][ T73] do_syscall_64+0xc6/0x1e0 [ 85.262700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.262700][ T73] [ 85.266281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.266281][ T73] dst_init+0x84/0x4a0 [ 85.266281][ T73] dst_alloc+0x97/0x150 [ 85.266281][ T73] ip6_dst_alloc+0x23/0x90 [ 85.266281][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 85.266281][ T73] ip6_pol_route+0x56f/0x840 [ 85.266281][ T73] fib6_rule_lookup+0x456/0x630 [ 85.266281][ T73] ip6_route_input+0x59c/0xa50 [ 85.266281][ T73] ipv6_rcv+0x397/0x810 [ 85.266281][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 85.266281][ T73] process_backlog+0x101/0x620 [ 85.266281][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 85.266281][ T73] net_rx_action+0x495/0xbe0 [ 85.266281][ T73] __do_softirq+0x1b5/0x7f6 [ 85.266281][ T73] [ 85.270012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.270012][ T73] netdev_get_by_index+0x5e/0x80 [ 85.270012][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.270012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.270012][ T73] ip6_route_add+0x1c/0x140 [ 85.270012][ T73] addrconf_prefix_route+0x2a6/0x430 [ 85.270012][ T73] inet6_addr_add+0x4f8/0xa40 [ 85.270012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.270012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.270012][ T73] netlink_rcv_skb+0x130/0x360 [ 85.270012][ T73] netlink_unicast+0x449/0x710 [ 85.270012][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.270012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.270012][ T73] ___sys_sendmsg+0xee/0x170 [ 85.270012][ T73] __sys_sendmsg+0xcd/0x170 [ 85.270012][ T73] do_syscall_64+0xc6/0x1e0 [ 85.270012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.270012][ T73] [ 85.273682][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.273682][ T73] netdev_get_by_index+0x5e/0x80 [ 85.273682][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.273682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.273682][ T73] addrconf_f6i_alloc+0x315/0x560 [ 85.273682][ T73] ipv6_add_addr+0x411/0x2000 [ 85.273682][ T73] inet6_addr_add+0x30e/0xa40 [ 85.273682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.273682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.273682][ T73] netlink_rcv_skb+0x130/0x360 [ 85.273682][ T73] netlink_unicast+0x449/0x710 [ 85.273682][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.273682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.273682][ T73] ___sys_sendmsg+0xee/0x170 [ 85.273682][ T73] __sys_sendmsg+0xcd/0x170 [ 85.273682][ T73] do_syscall_64+0xc6/0x1e0 [ 85.273682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.273682][ T73] [ 85.277516][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.277516][ T73] netdev_get_by_index+0x5e/0x80 [ 85.277516][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.277516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.277516][ T73] ip6_route_add+0x1c/0x140 [ 85.277516][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 85.277516][ T73] addrconf_add_dev+0xe2/0x170 [ 85.277516][ T73] inet6_addr_add+0x12f/0xa40 [ 85.277516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.277516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.277516][ T73] netlink_rcv_skb+0x130/0x360 [ 85.277516][ T73] netlink_unicast+0x449/0x710 [ 85.277516][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.277516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.277516][ T73] ___sys_sendmsg+0xee/0x170 [ 85.277516][ T73] __sys_sendmsg+0xcd/0x170 [ 85.277516][ T73] do_syscall_64+0xc6/0x1e0 [ 85.277516][ T73] [ 85.292168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.292168][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 85.292168][ T73] ipv6_find_idev+0x102/0x170 [ 85.292168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.292168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.292168][ T73] netlink_rcv_skb+0x130/0x360 [ 85.292168][ T73] netlink_unicast+0x449/0x710 [ 85.292168][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.292168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.292168][ T73] ___sys_sendmsg+0xee/0x170 [ 85.292168][ T73] __sys_sendmsg+0xcd/0x170 [ 85.292168][ T73] do_syscall_64+0xc6/0x1e0 [ 85.292168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.292168][ T73] [ 85.296987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 85.296987][ T73] neigh_parms_alloc+0x1e5/0x510 [ 85.296987][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 85.296987][ T73] ipv6_find_idev+0x102/0x170 [ 85.296987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.296987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.296987][ T73] netlink_rcv_skb+0x130/0x360 [ 85.296987][ T73] netlink_unicast+0x449/0x710 [ 85.296987][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.296987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.296987][ T73] ___sys_sendmsg+0xee/0x170 [ 85.296987][ T73] __sys_sendmsg+0xcd/0x170 [ 85.296987][ T73] do_syscall_64+0xc6/0x1e0 [ 85.296987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.296987][ T73] [ 85.385655][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 85.386475][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.386475][ T73] dst_init+0x84/0x4a0 [ 85.386475][ T73] dst_alloc+0x97/0x150 [ 85.386475][ T73] ip6_dst_alloc+0x23/0x90 [ 85.386475][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 85.386475][ T73] ip6_pol_route+0x56f/0x840 [ 85.386475][ T73] fib6_rule_lookup+0x456/0x630 [ 85.386475][ T73] ip6_route_input+0x59c/0xa50 [ 85.386475][ T73] ipv6_rcv+0x397/0x810 [ 85.386475][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 85.386475][ T73] process_backlog+0x101/0x620 [ 85.386475][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 85.386475][ T73] net_rx_action+0x495/0xbe0 [ 85.386475][ T73] __do_softirq+0x1b5/0x7f6 [ 85.386475][ T73] [ 85.390218][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.390218][ T73] netdev_get_by_index+0x5e/0x80 [ 85.390218][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.390218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.390218][ T73] addrconf_f6i_alloc+0x265/0x560 [ 85.390218][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 85.390218][ T73] addrconf_join_anycast+0x1c0/0x220 [ 85.390218][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 85.390218][ T73] addrconf_dad_completed+0x12b/0xe20 [ 85.390218][ T73] addrconf_dad_begin+0x310/0x670 [ 85.390218][ T73] addrconf_dad_work+0x10b/0xab0 [ 85.390218][ T73] process_one_work+0x84d/0x18a0 [ 85.390218][ T73] worker_thread+0x587/0xd30 [ 85.390218][ T73] kthread+0x28a/0x350 [ 85.390218][ T73] ret_from_fork+0x31/0x70 [ 85.390218][ T73] ret_from_fork_asm+0x1a/0x30 [ 85.390218][ T73] [ 85.394766][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.394766][ T73] netdev_get_by_index+0x5e/0x80 [ 85.394766][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.394766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.394766][ T73] ip6_route_add+0x1c/0x140 [ 85.394766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 85.394766][ T73] inet6_addr_add+0x4f8/0xa40 [ 85.394766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.394766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.394766][ T73] netlink_rcv_skb+0x130/0x360 [ 85.394766][ T73] netlink_unicast+0x449/0x710 [ 85.394766][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.394766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.394766][ T73] ___sys_sendmsg+0xee/0x170 [ 85.394766][ T73] __sys_sendmsg+0xcd/0x170 [ 85.394766][ T73] do_syscall_64+0xc6/0x1e0 [ 85.394766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.394766][ T73] [ 85.401732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.401732][ T73] netdev_get_by_index+0x5e/0x80 [ 85.401732][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.401732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.401732][ T73] addrconf_f6i_alloc+0x315/0x560 [ 85.401732][ T73] ipv6_add_addr+0x411/0x2000 [ 85.401732][ T73] inet6_addr_add+0x30e/0xa40 [ 85.401732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.401732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.401732][ T73] netlink_rcv_skb+0x130/0x360 [ 85.401732][ T73] netlink_unicast+0x449/0x710 [ 85.401732][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.401732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.401732][ T73] ___sys_sendmsg+0xee/0x170 [ 85.401732][ T73] __sys_sendmsg+0xcd/0x170 [ 85.401732][ T73] do_syscall_64+0xc6/0x1e0 [ 85.401732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.401732][ T73] [ 85.408353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.408353][ T73] netdev_get_by_index+0x5e/0x80 [ 85.408353][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.408353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.408353][ T73] ip6_route_add+0x1c/0x140 [ 85.408353][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 85.408353][ T73] addrconf_add_dev+0xe2/0x170 [ 85.408353][ T73] inet6_addr_add+0x12f/0xa40 [ 85.408353][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.408353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.408353][ T73] netlink_rcv_skb+0x130/0x360 [ 85.408353][ T73] netlink_unicast+0x449/0x710 [ 85.408353][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.408353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.408353][ T73] ___sys_sendmsg+0xee/0x170 [ 85.408353][ T73] __sys_sendmsg+0xcd/0x170 [ 85.408353][ T73] do_syscall_64+0xc6/0x1e0 [ 85.408353][ T73] [ 85.414837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.414837][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 85.414837][ T73] ipv6_find_idev+0x102/0x170 [ 85.414837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.414837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.414837][ T73] netlink_rcv_skb+0x130/0x360 [ 85.414837][ T73] netlink_unicast+0x449/0x710 [ 85.414837][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.414837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.414837][ T73] ___sys_sendmsg+0xee/0x170 [ 85.414837][ T73] __sys_sendmsg+0xcd/0x170 [ 85.414837][ T73] do_syscall_64+0xc6/0x1e0 [ 85.414837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.414837][ T73] [ 85.433364][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 85.433364][ T73] neigh_parms_alloc+0x1e5/0x510 [ 85.433364][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 85.433364][ T73] ipv6_find_idev+0x102/0x170 [ 85.433364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.433364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.433364][ T73] netlink_rcv_skb+0x130/0x360 [ 85.433364][ T73] netlink_unicast+0x449/0x710 [ 85.433364][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.433364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.433364][ T73] ___sys_sendmsg+0xee/0x170 [ 85.433364][ T73] __sys_sendmsg+0xcd/0x170 [ 85.433364][ T73] do_syscall_64+0xc6/0x1e0 [ 85.433364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.433364][ T73] [ 85.438041][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 85.439782][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.439782][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 85.439782][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 85.439782][ T73] fib6_nh_init+0xa22/0x1580 [ 85.439782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.439782][ T73] ip6_route_add+0x1c/0x140 [ 85.439782][ T73] inet6_rtm_newroute+0x104/0x110 [ 85.439782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.439782][ T73] netlink_rcv_skb+0x130/0x360 [ 85.439782][ T73] netlink_unicast+0x449/0x710 [ 85.439782][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.439782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.439782][ T73] ___sys_sendmsg+0xee/0x170 [ 85.439782][ T73] __sys_sendmsg+0xcd/0x170 [ 85.439782][ T73] do_syscall_64+0xc6/0x1e0 [ 85.439782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.439782][ T73] [ 85.446878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.446878][ T73] dst_init+0x84/0x4a0 [ 85.446878][ T73] dst_alloc+0x97/0x150 [ 85.446878][ T73] ip6_dst_alloc+0x23/0x90 [ 85.446878][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 85.446878][ T73] ip6_pol_route+0x56f/0x840 [ 85.446878][ T73] fib6_rule_lookup+0x456/0x630 [ 85.446878][ T73] ip6_route_input+0x59c/0xa50 [ 85.446878][ T73] ipv6_rcv+0x397/0x810 [ 85.446878][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 85.446878][ T73] process_backlog+0x101/0x620 [ 85.446878][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 85.446878][ T73] net_rx_action+0x495/0xbe0 [ 85.446878][ T73] __do_softirq+0x1b5/0x7f6 [ 85.446878][ T73] [ 85.452226][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.452226][ T73] netdev_get_by_index+0x5e/0x80 [ 85.452226][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.452226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.452226][ T73] ip6_route_add+0x1c/0x140 [ 85.452226][ T73] addrconf_prefix_route+0x2a6/0x430 [ 85.452226][ T73] inet6_addr_add+0x4f8/0xa40 [ 85.452226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.452226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.452226][ T73] netlink_rcv_skb+0x130/0x360 [ 85.452226][ T73] netlink_unicast+0x449/0x710 [ 85.452226][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.452226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.452226][ T73] ___sys_sendmsg+0xee/0x170 [ 85.452226][ T73] __sys_sendmsg+0xcd/0x170 [ 85.452226][ T73] do_syscall_64+0xc6/0x1e0 [ 85.452226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.452226][ T73] [ 85.458870][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.458870][ T73] netdev_get_by_index+0x5e/0x80 [ 85.458870][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.458870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.458870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 85.458870][ T73] ipv6_add_addr+0x411/0x2000 [ 85.458870][ T73] inet6_addr_add+0x30e/0xa40 [ 85.458870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.458870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.458870][ T73] netlink_rcv_skb+0x130/0x360 [ 85.458870][ T73] netlink_unicast+0x449/0x710 [ 85.458870][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.458870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.458870][ T73] ___sys_sendmsg+0xee/0x170 [ 85.458870][ T73] __sys_sendmsg+0xcd/0x170 [ 85.458870][ T73] do_syscall_64+0xc6/0x1e0 [ 85.458870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.458870][ T73] [ 85.465614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.465614][ T73] netdev_get_by_index+0x5e/0x80 [ 85.465614][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.465614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.465614][ T73] ip6_route_add+0x1c/0x140 [ 85.465614][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 85.465614][ T73] addrconf_add_dev+0xe2/0x170 [ 85.465614][ T73] inet6_addr_add+0x12f/0xa40 [ 85.465614][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.465614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.465614][ T73] netlink_rcv_skb+0x130/0x360 [ 85.465614][ T73] netlink_unicast+0x449/0x710 [ 85.465614][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.465614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.465614][ T73] ___sys_sendmsg+0xee/0x170 [ 85.465614][ T73] __sys_sendmsg+0xcd/0x170 [ 85.465614][ T73] do_syscall_64+0xc6/0x1e0 [ 85.465614][ T73] [ 85.472563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.472563][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 85.472563][ T73] ipv6_find_idev+0x102/0x170 [ 85.472563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.472563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.472563][ T73] netlink_rcv_skb+0x130/0x360 [ 85.472563][ T73] netlink_unicast+0x449/0x710 [ 85.472563][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.472563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.472563][ T73] ___sys_sendmsg+0xee/0x170 [ 85.472563][ T73] __sys_sendmsg+0xcd/0x170 [ 85.472563][ T73] do_syscall_64+0xc6/0x1e0 [ 85.472563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.472563][ T73] [ 85.477664][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 85.477664][ T73] neigh_parms_alloc+0x1e5/0x510 [ 85.477664][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 85.477664][ T73] ipv6_find_idev+0x102/0x170 [ 85.477664][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.477664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.477664][ T73] netlink_rcv_skb+0x130/0x360 [ 85.477664][ T73] netlink_unicast+0x449/0x710 [ 85.477664][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.477664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.477664][ T73] ___sys_sendmsg+0xee/0x170 [ 85.477664][ T73] __sys_sendmsg+0xcd/0x170 [ 85.477664][ T73] do_syscall_64+0xc6/0x1e0 [ 85.477664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.477664][ T73] [ 85.490554][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 85.494667][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 85.494667][ T73] netdev_get_by_index+0x5e/0x80 [ 85.494667][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.494667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.494667][ T73] addrconf_f6i_alloc+0x265/0x560 [ 85.494667][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 85.494667][ T73] addrconf_join_anycast+0x1c0/0x220 [ 85.494667][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 85.494667][ T73] addrconf_dad_completed+0x12b/0xe20 [ 85.494667][ T73] addrconf_dad_begin+0x310/0x670 [ 85.494667][ T73] addrconf_dad_work+0x10b/0xab0 [ 85.494667][ T73] process_one_work+0x84d/0x18a0 [ 85.494667][ T73] worker_thread+0x587/0xd30 [ 85.494667][ T73] kthread+0x28a/0x350 [ 85.494667][ T73] ret_from_fork+0x31/0x70 [ 85.494667][ T73] ret_from_fork_asm+0x1a/0x30 [ 85.494667][ T73] [ 85.501114][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 85.501114][ T73] netdev_get_by_index+0x5e/0x80 [ 85.501114][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.501114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.501114][ T73] ip6_route_add+0x1c/0x140 [ 85.501114][ T73] addrconf_prefix_route+0x2a6/0x430 [ 85.501114][ T73] inet6_addr_add+0x4f8/0xa40 [ 85.501114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.501114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.501114][ T73] netlink_rcv_skb+0x130/0x360 [ 85.501114][ T73] netlink_unicast+0x449/0x710 [ 85.501114][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.501114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.501114][ T73] ___sys_sendmsg+0xee/0x170 [ 85.501114][ T73] __sys_sendmsg+0xcd/0x170 [ 85.501114][ T73] do_syscall_64+0xc6/0x1e0 [ 85.501114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.501114][ T73] [ 85.507715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 85.507715][ T73] netdev_get_by_index+0x5e/0x80 [ 85.507715][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.507715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.507715][ T73] addrconf_f6i_alloc+0x315/0x560 [ 85.507715][ T73] ipv6_add_addr+0x411/0x2000 [ 85.507715][ T73] inet6_addr_add+0x30e/0xa40 [ 85.507715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.507715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.507715][ T73] netlink_rcv_skb+0x130/0x360 [ 85.507715][ T73] netlink_unicast+0x449/0x710 [ 85.507715][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.507715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.507715][ T73] ___sys_sendmsg+0xee/0x170 [ 85.507715][ T73] __sys_sendmsg+0xcd/0x170 [ 85.507715][ T73] do_syscall_64+0xc6/0x1e0 [ 85.507715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.507715][ T73] [ 85.514658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 85.514658][ T73] netdev_get_by_index+0x5e/0x80 [ 85.514658][ T73] fib6_nh_init+0x3d8/0x1580 [ 85.514658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 85.514658][ T73] ip6_route_add+0x1c/0x140 [ 85.514658][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 85.514658][ T73] addrconf_add_dev+0xe2/0x170 [ 85.514658][ T73] inet6_addr_add+0x12f/0xa40 [ 85.514658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 85.514658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.514658][ T73] netlink_rcv_skb+0x130/0x360 [ 85.514658][ T73] netlink_unicast+0x449/0x710 [ 85.514658][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.514658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.514658][ T73] ___sys_sendmsg+0xee/0x170 [ 85.514658][ T73] __sys_sendmsg+0xcd/0x170 [ 85.514658][ T73] do_syscall_64+0xc6/0x1e0 [ 85.514658][ T73] [ 85.521054][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 85.521054][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 85.521054][ T73] ipv6_find_idev+0x102/0x170 [ 85.521054][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.521054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.521054][ T73] netlink_rcv_skb+0x130/0x360 [ 85.521054][ T73] netlink_unicast+0x449/0x710 [ 85.521054][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.521054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.521054][ T73] ___sys_sendmsg+0xee/0x170 [ 85.521054][ T73] __sys_sendmsg+0xcd/0x170 [ 85.521054][ T73] do_syscall_64+0xc6/0x1e0 [ 85.521054][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.521054][ T73] [ 85.524868][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 85.524868][ T73] neigh_parms_alloc+0x1e5/0x510 [ 85.524868][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 85.524868][ T73] ipv6_find_idev+0x102/0x170 [ 85.524868][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.524868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.524868][ T73] netlink_rcv_skb+0x130/0x360 [ 85.524868][ T73] netlink_unicast+0x449/0x710 [ 85.524868][ T73] netlink_sendmsg+0x723/0xbe0 [ 85.524868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 85.524868][ T73] ___sys_sendmsg+0xee/0x170 [ 85.524868][ T73] __sys_sendmsg+0xcd/0x170 [ 85.524868][ T73] do_syscall_64+0xc6/0x1e0 [ 85.524868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.524868][ T73] [ 95.559464][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 95.560675][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.560675][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 95.560675][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 95.560675][ T73] fib6_nh_init+0xa22/0x1580 [ 95.560675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.560675][ T73] ip6_route_add+0x1c/0x140 [ 95.560675][ T73] inet6_rtm_newroute+0x104/0x110 [ 95.560675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.560675][ T73] netlink_rcv_skb+0x130/0x360 [ 95.560675][ T73] netlink_unicast+0x449/0x710 [ 95.560675][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.560675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.560675][ T73] ___sys_sendmsg+0xee/0x170 [ 95.560675][ T73] __sys_sendmsg+0xcd/0x170 [ 95.560675][ T73] do_syscall_64+0xc6/0x1e0 [ 95.560675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.560675][ T73] [ 95.567778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.567778][ T73] dst_init+0x84/0x4a0 [ 95.567778][ T73] dst_alloc+0x97/0x150 [ 95.567778][ T73] ip6_dst_alloc+0x23/0x90 [ 95.567778][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 95.567778][ T73] ip6_pol_route+0x56f/0x840 [ 95.567778][ T73] fib6_rule_lookup+0x456/0x630 [ 95.567778][ T73] ip6_route_input+0x59c/0xa50 [ 95.567778][ T73] ipv6_rcv+0x397/0x810 [ 95.567778][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 95.567778][ T73] process_backlog+0x101/0x620 [ 95.567778][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 95.567778][ T73] net_rx_action+0x495/0xbe0 [ 95.567778][ T73] __do_softirq+0x1b5/0x7f6 [ 95.567778][ T73] [ 95.574608][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.574608][ T73] netdev_get_by_index+0x5e/0x80 [ 95.574608][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.574608][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.574608][ T73] ip6_route_add+0x1c/0x140 [ 95.574608][ T73] addrconf_prefix_route+0x2a6/0x430 [ 95.574608][ T73] inet6_addr_add+0x4f8/0xa40 [ 95.574608][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.574608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.574608][ T73] netlink_rcv_skb+0x130/0x360 [ 95.574608][ T73] netlink_unicast+0x449/0x710 [ 95.574608][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.574608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.574608][ T73] ___sys_sendmsg+0xee/0x170 [ 95.574608][ T73] __sys_sendmsg+0xcd/0x170 [ 95.574608][ T73] do_syscall_64+0xc6/0x1e0 [ 95.574608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.574608][ T73] [ 95.581127][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.581127][ T73] netdev_get_by_index+0x5e/0x80 [ 95.581127][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.581127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.581127][ T73] addrconf_f6i_alloc+0x315/0x560 [ 95.581127][ T73] ipv6_add_addr+0x411/0x2000 [ 95.581127][ T73] inet6_addr_add+0x30e/0xa40 [ 95.581127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.581127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.581127][ T73] netlink_rcv_skb+0x130/0x360 [ 95.581127][ T73] netlink_unicast+0x449/0x710 [ 95.581127][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.581127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.581127][ T73] ___sys_sendmsg+0xee/0x170 [ 95.581127][ T73] __sys_sendmsg+0xcd/0x170 [ 95.581127][ T73] do_syscall_64+0xc6/0x1e0 [ 95.581127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.581127][ T73] [ 95.587536][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.587536][ T73] netdev_get_by_index+0x5e/0x80 [ 95.587536][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.587536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.587536][ T73] ip6_route_add+0x1c/0x140 [ 95.587536][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 95.587536][ T73] addrconf_add_dev+0xe2/0x170 [ 95.587536][ T73] inet6_addr_add+0x12f/0xa40 [ 95.587536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.587536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.587536][ T73] netlink_rcv_skb+0x130/0x360 [ 95.587536][ T73] netlink_unicast+0x449/0x710 [ 95.587536][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.587536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.587536][ T73] ___sys_sendmsg+0xee/0x170 [ 95.587536][ T73] __sys_sendmsg+0xcd/0x170 [ 95.587536][ T73] do_syscall_64+0xc6/0x1e0 [ 95.587536][ T73] [ 95.594643][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.594643][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 95.594643][ T73] ipv6_find_idev+0x102/0x170 [ 95.594643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.594643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.594643][ T73] netlink_rcv_skb+0x130/0x360 [ 95.594643][ T73] netlink_unicast+0x449/0x710 [ 95.594643][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.594643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.594643][ T73] ___sys_sendmsg+0xee/0x170 [ 95.594643][ T73] __sys_sendmsg+0xcd/0x170 [ 95.594643][ T73] do_syscall_64+0xc6/0x1e0 [ 95.594643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.594643][ T73] [ 95.599718][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 95.599718][ T73] neigh_parms_alloc+0x1e5/0x510 [ 95.599718][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 95.599718][ T73] ipv6_find_idev+0x102/0x170 [ 95.599718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.599718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.599718][ T73] netlink_rcv_skb+0x130/0x360 [ 95.599718][ T73] netlink_unicast+0x449/0x710 [ 95.599718][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.599718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.599718][ T73] ___sys_sendmsg+0xee/0x170 [ 95.599718][ T73] __sys_sendmsg+0xcd/0x170 [ 95.599718][ T73] do_syscall_64+0xc6/0x1e0 [ 95.599718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.599718][ T73] [ 95.605337][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 95.606336][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.606336][ T73] dst_init+0x84/0x4a0 [ 95.606336][ T73] dst_alloc+0x97/0x150 [ 95.606336][ T73] ip6_dst_alloc+0x23/0x90 [ 95.606336][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 95.606336][ T73] ip6_pol_route+0x56f/0x840 [ 95.606336][ T73] fib6_rule_lookup+0x456/0x630 [ 95.606336][ T73] ip6_route_input+0x59c/0xa50 [ 95.606336][ T73] ipv6_rcv+0x397/0x810 [ 95.606336][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 95.606336][ T73] process_backlog+0x101/0x620 [ 95.606336][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 95.606336][ T73] net_rx_action+0x495/0xbe0 [ 95.606336][ T73] __do_softirq+0x1b5/0x7f6 [ 95.606336][ T73] [ 95.611789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.611789][ T73] netdev_get_by_index+0x5e/0x80 [ 95.611789][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.611789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.611789][ T73] addrconf_f6i_alloc+0x265/0x560 [ 95.611789][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 95.611789][ T73] addrconf_join_anycast+0x1c0/0x220 [ 95.611789][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 95.611789][ T73] addrconf_dad_completed+0x12b/0xe20 [ 95.611789][ T73] addrconf_dad_begin+0x310/0x670 [ 95.611789][ T73] addrconf_dad_work+0x10b/0xab0 [ 95.611789][ T73] process_one_work+0x84d/0x18a0 [ 95.611789][ T73] worker_thread+0x587/0xd30 [ 95.611789][ T73] kthread+0x28a/0x350 [ 95.611789][ T73] ret_from_fork+0x31/0x70 [ 95.611789][ T73] ret_from_fork_asm+0x1a/0x30 [ 95.611789][ T73] [ 95.627306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.627306][ T73] netdev_get_by_index+0x5e/0x80 [ 95.627306][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.627306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.627306][ T73] ip6_route_add+0x1c/0x140 [ 95.627306][ T73] addrconf_prefix_route+0x2a6/0x430 [ 95.627306][ T73] inet6_addr_add+0x4f8/0xa40 [ 95.627306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.627306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.627306][ T73] netlink_rcv_skb+0x130/0x360 [ 95.627306][ T73] netlink_unicast+0x449/0x710 [ 95.627306][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.627306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.627306][ T73] ___sys_sendmsg+0xee/0x170 [ 95.627306][ T73] __sys_sendmsg+0xcd/0x170 [ 95.627306][ T73] do_syscall_64+0xc6/0x1e0 [ 95.627306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.627306][ T73] [ 95.633855][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.633855][ T73] netdev_get_by_index+0x5e/0x80 [ 95.633855][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.633855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.633855][ T73] addrconf_f6i_alloc+0x315/0x560 [ 95.633855][ T73] ipv6_add_addr+0x411/0x2000 [ 95.633855][ T73] inet6_addr_add+0x30e/0xa40 [ 95.633855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.633855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.633855][ T73] netlink_rcv_skb+0x130/0x360 [ 95.633855][ T73] netlink_unicast+0x449/0x710 [ 95.633855][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.633855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.633855][ T73] ___sys_sendmsg+0xee/0x170 [ 95.633855][ T73] __sys_sendmsg+0xcd/0x170 [ 95.633855][ T73] do_syscall_64+0xc6/0x1e0 [ 95.633855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.633855][ T73] [ 95.641987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.641987][ T73] netdev_get_by_index+0x5e/0x80 [ 95.641987][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.641987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.641987][ T73] ip6_route_add+0x1c/0x140 [ 95.641987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 95.641987][ T73] addrconf_add_dev+0xe2/0x170 [ 95.641987][ T73] inet6_addr_add+0x12f/0xa40 [ 95.641987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.641987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.641987][ T73] netlink_rcv_skb+0x130/0x360 [ 95.641987][ T73] netlink_unicast+0x449/0x710 [ 95.641987][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.641987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.641987][ T73] ___sys_sendmsg+0xee/0x170 [ 95.641987][ T73] __sys_sendmsg+0xcd/0x170 [ 95.641987][ T73] do_syscall_64+0xc6/0x1e0 [ 95.641987][ T73] [ 95.648527][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.648527][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 95.648527][ T73] ipv6_find_idev+0x102/0x170 [ 95.648527][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.648527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.648527][ T73] netlink_rcv_skb+0x130/0x360 [ 95.648527][ T73] netlink_unicast+0x449/0x710 [ 95.648527][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.648527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.648527][ T73] ___sys_sendmsg+0xee/0x170 [ 95.648527][ T73] __sys_sendmsg+0xcd/0x170 [ 95.648527][ T73] do_syscall_64+0xc6/0x1e0 [ 95.648527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.648527][ T73] [ 95.654594][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 95.654594][ T73] neigh_parms_alloc+0x1e5/0x510 [ 95.654594][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 95.654594][ T73] ipv6_find_idev+0x102/0x170 [ 95.654594][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.654594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.654594][ T73] netlink_rcv_skb+0x130/0x360 [ 95.654594][ T73] netlink_unicast+0x449/0x710 [ 95.654594][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.654594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.654594][ T73] ___sys_sendmsg+0xee/0x170 [ 95.654594][ T73] __sys_sendmsg+0xcd/0x170 [ 95.654594][ T73] do_syscall_64+0xc6/0x1e0 [ 95.654594][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.654594][ T73] [ 95.661932][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 95.663301][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.663301][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 95.663301][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 95.663301][ T73] fib6_nh_init+0xa22/0x1580 [ 95.663301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.663301][ T73] ip6_route_add+0x1c/0x140 [ 95.663301][ T73] inet6_rtm_newroute+0x104/0x110 [ 95.663301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.663301][ T73] netlink_rcv_skb+0x130/0x360 [ 95.663301][ T73] netlink_unicast+0x449/0x710 [ 95.663301][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.663301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.663301][ T73] ___sys_sendmsg+0xee/0x170 [ 95.663301][ T73] __sys_sendmsg+0xcd/0x170 [ 95.663301][ T73] do_syscall_64+0xc6/0x1e0 [ 95.663301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.663301][ T73] [ 95.671044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.671044][ T73] dst_init+0x84/0x4a0 [ 95.671044][ T73] dst_alloc+0x97/0x150 [ 95.671044][ T73] ip6_dst_alloc+0x23/0x90 [ 95.671044][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 95.671044][ T73] ip6_pol_route+0x56f/0x840 [ 95.671044][ T73] fib6_rule_lookup+0x456/0x630 [ 95.671044][ T73] ip6_route_input+0x59c/0xa50 [ 95.671044][ T73] ipv6_rcv+0x397/0x810 [ 95.671044][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 95.671044][ T73] process_backlog+0x101/0x620 [ 95.671044][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 95.671044][ T73] net_rx_action+0x495/0xbe0 [ 95.671044][ T73] __do_softirq+0x1b5/0x7f6 [ 95.671044][ T73] [ 95.676881][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.676881][ T73] netdev_get_by_index+0x5e/0x80 [ 95.676881][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.676881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.676881][ T73] ip6_route_add+0x1c/0x140 [ 95.676881][ T73] addrconf_prefix_route+0x2a6/0x430 [ 95.676881][ T73] inet6_addr_add+0x4f8/0xa40 [ 95.676881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.676881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.676881][ T73] netlink_rcv_skb+0x130/0x360 [ 95.676881][ T73] netlink_unicast+0x449/0x710 [ 95.676881][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.676881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.676881][ T73] ___sys_sendmsg+0xee/0x170 [ 95.676881][ T73] __sys_sendmsg+0xcd/0x170 [ 95.676881][ T73] do_syscall_64+0xc6/0x1e0 [ 95.676881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.676881][ T73] [ 95.683032][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.683032][ T73] netdev_get_by_index+0x5e/0x80 [ 95.683032][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.683032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.683032][ T73] addrconf_f6i_alloc+0x315/0x560 [ 95.683032][ T73] ipv6_add_addr+0x411/0x2000 [ 95.683032][ T73] inet6_addr_add+0x30e/0xa40 [ 95.683032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.683032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.683032][ T73] netlink_rcv_skb+0x130/0x360 [ 95.683032][ T73] netlink_unicast+0x449/0x710 [ 95.683032][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.683032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.683032][ T73] ___sys_sendmsg+0xee/0x170 [ 95.683032][ T73] __sys_sendmsg+0xcd/0x170 [ 95.683032][ T73] do_syscall_64+0xc6/0x1e0 [ 95.683032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.683032][ T73] [ 95.688833][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.688833][ T73] netdev_get_by_index+0x5e/0x80 [ 95.688833][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.688833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.688833][ T73] ip6_route_add+0x1c/0x140 [ 95.688833][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 95.688833][ T73] addrconf_add_dev+0xe2/0x170 [ 95.688833][ T73] inet6_addr_add+0x12f/0xa40 [ 95.688833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.688833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.688833][ T73] netlink_rcv_skb+0x130/0x360 [ 95.688833][ T73] netlink_unicast+0x449/0x710 [ 95.688833][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.688833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.688833][ T73] ___sys_sendmsg+0xee/0x170 [ 95.688833][ T73] __sys_sendmsg+0xcd/0x170 [ 95.688833][ T73] do_syscall_64+0xc6/0x1e0 [ 95.688833][ T73] [ 95.694242][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.694242][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 95.694242][ T73] ipv6_find_idev+0x102/0x170 [ 95.694242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.694242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.694242][ T73] netlink_rcv_skb+0x130/0x360 [ 95.694242][ T73] netlink_unicast+0x449/0x710 [ 95.694242][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.694242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.694242][ T73] ___sys_sendmsg+0xee/0x170 [ 95.694242][ T73] __sys_sendmsg+0xcd/0x170 [ 95.694242][ T73] do_syscall_64+0xc6/0x1e0 [ 95.694242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.694242][ T73] [ 95.698705][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 95.698705][ T73] neigh_parms_alloc+0x1e5/0x510 [ 95.698705][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 95.698705][ T73] ipv6_find_idev+0x102/0x170 [ 95.698705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.698705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.698705][ T73] netlink_rcv_skb+0x130/0x360 [ 95.698705][ T73] netlink_unicast+0x449/0x710 [ 95.698705][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.698705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.698705][ T73] ___sys_sendmsg+0xee/0x170 [ 95.698705][ T73] __sys_sendmsg+0xcd/0x170 [ 95.698705][ T73] do_syscall_64+0xc6/0x1e0 [ 95.698705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.698705][ T73] [ 95.703729][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 95.705775][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 95.705775][ T73] netdev_get_by_index+0x5e/0x80 [ 95.705775][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.705775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.705775][ T73] addrconf_f6i_alloc+0x265/0x560 [ 95.705775][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 95.705775][ T73] addrconf_join_anycast+0x1c0/0x220 [ 95.705775][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 95.705775][ T73] addrconf_dad_completed+0x12b/0xe20 [ 95.705775][ T73] addrconf_dad_begin+0x310/0x670 [ 95.705775][ T73] addrconf_dad_work+0x10b/0xab0 [ 95.705775][ T73] process_one_work+0x84d/0x18a0 [ 95.705775][ T73] worker_thread+0x587/0xd30 [ 95.705775][ T73] kthread+0x28a/0x350 [ 95.705775][ T73] ret_from_fork+0x31/0x70 [ 95.705775][ T73] ret_from_fork_asm+0x1a/0x30 [ 95.705775][ T73] [ 95.715536][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 95.715536][ T73] netdev_get_by_index+0x5e/0x80 [ 95.715536][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.715536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.715536][ T73] ip6_route_add+0x1c/0x140 [ 95.715536][ T73] addrconf_prefix_route+0x2a6/0x430 [ 95.715536][ T73] inet6_addr_add+0x4f8/0xa40 [ 95.715536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.715536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.715536][ T73] netlink_rcv_skb+0x130/0x360 [ 95.715536][ T73] netlink_unicast+0x449/0x710 [ 95.715536][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.715536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.715536][ T73] ___sys_sendmsg+0xee/0x170 [ 95.715536][ T73] __sys_sendmsg+0xcd/0x170 [ 95.715536][ T73] do_syscall_64+0xc6/0x1e0 [ 95.715536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.715536][ T73] [ 95.720676][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 95.720676][ T73] netdev_get_by_index+0x5e/0x80 [ 95.720676][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.720676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.720676][ T73] addrconf_f6i_alloc+0x315/0x560 [ 95.720676][ T73] ipv6_add_addr+0x411/0x2000 [ 95.720676][ T73] inet6_addr_add+0x30e/0xa40 [ 95.720676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.720676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.720676][ T73] netlink_rcv_skb+0x130/0x360 [ 95.720676][ T73] netlink_unicast+0x449/0x710 [ 95.720676][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.720676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.720676][ T73] ___sys_sendmsg+0xee/0x170 [ 95.720676][ T73] __sys_sendmsg+0xcd/0x170 [ 95.720676][ T73] do_syscall_64+0xc6/0x1e0 [ 95.720676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.720676][ T73] [ 95.727411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 95.727411][ T73] netdev_get_by_index+0x5e/0x80 [ 95.727411][ T73] fib6_nh_init+0x3d8/0x1580 [ 95.727411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 95.727411][ T73] ip6_route_add+0x1c/0x140 [ 95.727411][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 95.727411][ T73] addrconf_add_dev+0xe2/0x170 [ 95.727411][ T73] inet6_addr_add+0x12f/0xa40 [ 95.727411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 95.727411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.727411][ T73] netlink_rcv_skb+0x130/0x360 [ 95.727411][ T73] netlink_unicast+0x449/0x710 [ 95.727411][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.727411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.727411][ T73] ___sys_sendmsg+0xee/0x170 [ 95.727411][ T73] __sys_sendmsg+0xcd/0x170 [ 95.727411][ T73] do_syscall_64+0xc6/0x1e0 [ 95.727411][ T73] [ 95.736684][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 95.736684][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 95.736684][ T73] ipv6_find_idev+0x102/0x170 [ 95.736684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.736684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.736684][ T73] netlink_rcv_skb+0x130/0x360 [ 95.736684][ T73] netlink_unicast+0x449/0x710 [ 95.736684][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.736684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.736684][ T73] ___sys_sendmsg+0xee/0x170 [ 95.736684][ T73] __sys_sendmsg+0xcd/0x170 [ 95.736684][ T73] do_syscall_64+0xc6/0x1e0 [ 95.736684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.736684][ T73] [ 95.742111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 95.742111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 95.742111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 95.742111][ T73] ipv6_find_idev+0x102/0x170 [ 95.742111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.742111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.742111][ T73] netlink_rcv_skb+0x130/0x360 [ 95.742111][ T73] netlink_unicast+0x449/0x710 [ 95.742111][ T73] netlink_sendmsg+0x723/0xbe0 [ 95.742111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 95.742111][ T73] ___sys_sendmsg+0xee/0x170 [ 95.742111][ T73] __sys_sendmsg+0xcd/0x170 [ 95.742111][ T73] do_syscall_64+0xc6/0x1e0 [ 95.742111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.742111][ T73] [ 105.980276][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 105.981115][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 105.981115][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 105.981115][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 105.981115][ T73] fib6_nh_init+0xa22/0x1580 [ 105.981115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 105.981115][ T73] ip6_route_add+0x1c/0x140 [ 105.981115][ T73] inet6_rtm_newroute+0x104/0x110 [ 105.981115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.981115][ T73] netlink_rcv_skb+0x130/0x360 [ 105.981115][ T73] netlink_unicast+0x449/0x710 [ 105.981115][ T73] netlink_sendmsg+0x723/0xbe0 [ 105.981115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 105.981115][ T73] ___sys_sendmsg+0xee/0x170 [ 105.981115][ T73] __sys_sendmsg+0xcd/0x170 [ 105.981115][ T73] do_syscall_64+0xc6/0x1e0 [ 105.981115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.981115][ T73] [ 105.984732][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 105.984732][ T73] dst_init+0x84/0x4a0 [ 105.984732][ T73] dst_alloc+0x97/0x150 [ 105.984732][ T73] ip6_dst_alloc+0x23/0x90 [ 105.984732][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 105.984732][ T73] ip6_pol_route+0x56f/0x840 [ 105.984732][ T73] fib6_rule_lookup+0x456/0x630 [ 105.984732][ T73] ip6_route_input+0x59c/0xa50 [ 105.984732][ T73] ipv6_rcv+0x397/0x810 [ 105.984732][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 105.984732][ T73] process_backlog+0x101/0x620 [ 105.984732][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 105.984732][ T73] net_rx_action+0x495/0xbe0 [ 105.984732][ T73] __do_softirq+0x1b5/0x7f6 [ 105.984732][ T73] [ 105.987779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 105.987779][ T73] netdev_get_by_index+0x5e/0x80 [ 105.987779][ T73] fib6_nh_init+0x3d8/0x1580 [ 105.987779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 105.987779][ T73] ip6_route_add+0x1c/0x140 [ 105.987779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 105.987779][ T73] inet6_addr_add+0x4f8/0xa40 [ 105.987779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 105.987779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.987779][ T73] netlink_rcv_skb+0x130/0x360 [ 105.987779][ T73] netlink_unicast+0x449/0x710 [ 105.987779][ T73] netlink_sendmsg+0x723/0xbe0 [ 105.987779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 105.987779][ T73] ___sys_sendmsg+0xee/0x170 [ 105.987779][ T73] __sys_sendmsg+0xcd/0x170 [ 105.987779][ T73] do_syscall_64+0xc6/0x1e0 [ 105.987779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.987779][ T73] [ 105.993063][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 105.993063][ T73] netdev_get_by_index+0x5e/0x80 [ 105.993063][ T73] fib6_nh_init+0x3d8/0x1580 [ 105.993063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 105.993063][ T73] addrconf_f6i_alloc+0x315/0x560 [ 105.993063][ T73] ipv6_add_addr+0x411/0x2000 [ 105.993063][ T73] inet6_addr_add+0x30e/0xa40 [ 105.993063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 105.993063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.993063][ T73] netlink_rcv_skb+0x130/0x360 [ 105.993063][ T73] netlink_unicast+0x449/0x710 [ 105.993063][ T73] netlink_sendmsg+0x723/0xbe0 [ 105.993063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 105.993063][ T73] ___sys_sendmsg+0xee/0x170 [ 105.993063][ T73] __sys_sendmsg+0xcd/0x170 [ 105.993063][ T73] do_syscall_64+0xc6/0x1e0 [ 105.993063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.993063][ T73] [ 105.996729][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 105.996729][ T73] netdev_get_by_index+0x5e/0x80 [ 105.996729][ T73] fib6_nh_init+0x3d8/0x1580 [ 105.996729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 105.996729][ T73] ip6_route_add+0x1c/0x140 [ 105.996729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 105.996729][ T73] addrconf_add_dev+0xe2/0x170 [ 105.996729][ T73] inet6_addr_add+0x12f/0xa40 [ 105.996729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 105.996729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.996729][ T73] netlink_rcv_skb+0x130/0x360 [ 105.996729][ T73] netlink_unicast+0x449/0x710 [ 105.996729][ T73] netlink_sendmsg+0x723/0xbe0 [ 105.996729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 105.996729][ T73] ___sys_sendmsg+0xee/0x170 [ 105.996729][ T73] __sys_sendmsg+0xcd/0x170 [ 105.996729][ T73] do_syscall_64+0xc6/0x1e0 [ 105.996729][ T73] [ 106.000417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 106.000417][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 106.000417][ T73] ipv6_find_idev+0x102/0x170 [ 106.000417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.000417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.000417][ T73] netlink_rcv_skb+0x130/0x360 [ 106.000417][ T73] netlink_unicast+0x449/0x710 [ 106.000417][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.000417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.000417][ T73] ___sys_sendmsg+0xee/0x170 [ 106.000417][ T73] __sys_sendmsg+0xcd/0x170 [ 106.000417][ T73] do_syscall_64+0xc6/0x1e0 [ 106.000417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.000417][ T73] [ 106.003841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 106.003841][ T73] neigh_parms_alloc+0x1e5/0x510 [ 106.003841][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 106.003841][ T73] ipv6_find_idev+0x102/0x170 [ 106.003841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.003841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.003841][ T73] netlink_rcv_skb+0x130/0x360 [ 106.003841][ T73] netlink_unicast+0x449/0x710 [ 106.003841][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.003841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.003841][ T73] ___sys_sendmsg+0xee/0x170 [ 106.003841][ T73] __sys_sendmsg+0xcd/0x170 [ 106.003841][ T73] do_syscall_64+0xc6/0x1e0 [ 106.003841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.003841][ T73] [ 106.007817][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 106.008475][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.008475][ T73] dst_init+0x84/0x4a0 [ 106.008475][ T73] dst_alloc+0x97/0x150 [ 106.008475][ T73] ip6_dst_alloc+0x23/0x90 [ 106.008475][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 106.008475][ T73] ip6_pol_route+0x56f/0x840 [ 106.008475][ T73] fib6_rule_lookup+0x456/0x630 [ 106.008475][ T73] ip6_route_input+0x59c/0xa50 [ 106.008475][ T73] ipv6_rcv+0x397/0x810 [ 106.008475][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 106.008475][ T73] process_backlog+0x101/0x620 [ 106.008475][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 106.008475][ T73] net_rx_action+0x495/0xbe0 [ 106.008475][ T73] __do_softirq+0x1b5/0x7f6 [ 106.008475][ T73] [ 106.012214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.012214][ T73] netdev_get_by_index+0x5e/0x80 [ 106.012214][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.012214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.012214][ T73] addrconf_f6i_alloc+0x265/0x560 [ 106.012214][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 106.012214][ T73] addrconf_join_anycast+0x1c0/0x220 [ 106.012214][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 106.012214][ T73] addrconf_dad_completed+0x12b/0xe20 [ 106.012214][ T73] addrconf_dad_begin+0x310/0x670 [ 106.012214][ T73] addrconf_dad_work+0x10b/0xab0 [ 106.012214][ T73] process_one_work+0x84d/0x18a0 [ 106.012214][ T73] worker_thread+0x587/0xd30 [ 106.012214][ T73] kthread+0x28a/0x350 [ 106.012214][ T73] ret_from_fork+0x31/0x70 [ 106.012214][ T73] ret_from_fork_asm+0x1a/0x30 [ 106.012214][ T73] [ 106.016673][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.016673][ T73] netdev_get_by_index+0x5e/0x80 [ 106.016673][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.016673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.016673][ T73] ip6_route_add+0x1c/0x140 [ 106.016673][ T73] addrconf_prefix_route+0x2a6/0x430 [ 106.016673][ T73] inet6_addr_add+0x4f8/0xa40 [ 106.016673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.016673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.016673][ T73] netlink_rcv_skb+0x130/0x360 [ 106.016673][ T73] netlink_unicast+0x449/0x710 [ 106.016673][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.016673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.016673][ T73] ___sys_sendmsg+0xee/0x170 [ 106.016673][ T73] __sys_sendmsg+0xcd/0x170 [ 106.016673][ T73] do_syscall_64+0xc6/0x1e0 [ 106.016673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.016673][ T73] [ 106.021220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.021220][ T73] netdev_get_by_index+0x5e/0x80 [ 106.021220][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.021220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.021220][ T73] addrconf_f6i_alloc+0x315/0x560 [ 106.021220][ T73] ipv6_add_addr+0x411/0x2000 [ 106.021220][ T73] inet6_addr_add+0x30e/0xa40 [ 106.021220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.021220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.021220][ T73] netlink_rcv_skb+0x130/0x360 [ 106.021220][ T73] netlink_unicast+0x449/0x710 [ 106.021220][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.021220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.021220][ T73] ___sys_sendmsg+0xee/0x170 [ 106.021220][ T73] __sys_sendmsg+0xcd/0x170 [ 106.021220][ T73] do_syscall_64+0xc6/0x1e0 [ 106.021220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.021220][ T73] [ 106.026258][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.026258][ T73] netdev_get_by_index+0x5e/0x80 [ 106.026258][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.026258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.026258][ T73] ip6_route_add+0x1c/0x140 [ 106.026258][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 106.026258][ T73] addrconf_add_dev+0xe2/0x170 [ 106.026258][ T73] inet6_addr_add+0x12f/0xa40 [ 106.026258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.026258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.026258][ T73] netlink_rcv_skb+0x130/0x360 [ 106.026258][ T73] netlink_unicast+0x449/0x710 [ 106.026258][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.026258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.026258][ T73] ___sys_sendmsg+0xee/0x170 [ 106.026258][ T73] __sys_sendmsg+0xcd/0x170 [ 106.026258][ T73] do_syscall_64+0xc6/0x1e0 [ 106.026258][ T73] [ 106.031158][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.031158][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 106.031158][ T73] ipv6_find_idev+0x102/0x170 [ 106.031158][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.031158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.031158][ T73] netlink_rcv_skb+0x130/0x360 [ 106.031158][ T73] netlink_unicast+0x449/0x710 [ 106.031158][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.031158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.031158][ T73] ___sys_sendmsg+0xee/0x170 [ 106.031158][ T73] __sys_sendmsg+0xcd/0x170 [ 106.031158][ T73] do_syscall_64+0xc6/0x1e0 [ 106.031158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.031158][ T73] [ 106.034904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 106.034904][ T73] neigh_parms_alloc+0x1e5/0x510 [ 106.034904][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 106.034904][ T73] ipv6_find_idev+0x102/0x170 [ 106.034904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.034904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.034904][ T73] netlink_rcv_skb+0x130/0x360 [ 106.034904][ T73] netlink_unicast+0x449/0x710 [ 106.034904][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.034904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.034904][ T73] ___sys_sendmsg+0xee/0x170 [ 106.034904][ T73] __sys_sendmsg+0xcd/0x170 [ 106.034904][ T73] do_syscall_64+0xc6/0x1e0 [ 106.034904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.034904][ T73] [ 106.039256][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 106.039848][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.039848][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 106.039848][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 106.039848][ T73] fib6_nh_init+0xa22/0x1580 [ 106.039848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.039848][ T73] ip6_route_add+0x1c/0x140 [ 106.039848][ T73] inet6_rtm_newroute+0x104/0x110 [ 106.039848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.039848][ T73] netlink_rcv_skb+0x130/0x360 [ 106.039848][ T73] netlink_unicast+0x449/0x710 [ 106.039848][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.039848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.039848][ T73] ___sys_sendmsg+0xee/0x170 [ 106.039848][ T73] __sys_sendmsg+0xcd/0x170 [ 106.039848][ T73] do_syscall_64+0xc6/0x1e0 [ 106.039848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.039848][ T73] [ 106.044273][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.044273][ T73] dst_init+0x84/0x4a0 [ 106.044273][ T73] dst_alloc+0x97/0x150 [ 106.044273][ T73] ip6_dst_alloc+0x23/0x90 [ 106.044273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 106.044273][ T73] ip6_pol_route+0x56f/0x840 [ 106.044273][ T73] fib6_rule_lookup+0x456/0x630 [ 106.044273][ T73] ip6_route_input+0x59c/0xa50 [ 106.044273][ T73] ipv6_rcv+0x397/0x810 [ 106.044273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 106.044273][ T73] process_backlog+0x101/0x620 [ 106.044273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 106.044273][ T73] net_rx_action+0x495/0xbe0 [ 106.044273][ T73] __do_softirq+0x1b5/0x7f6 [ 106.044273][ T73] [ 106.048255][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.048255][ T73] netdev_get_by_index+0x5e/0x80 [ 106.048255][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.048255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.048255][ T73] ip6_route_add+0x1c/0x140 [ 106.048255][ T73] addrconf_prefix_route+0x2a6/0x430 [ 106.048255][ T73] inet6_addr_add+0x4f8/0xa40 [ 106.048255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.048255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.048255][ T73] netlink_rcv_skb+0x130/0x360 [ 106.048255][ T73] netlink_unicast+0x449/0x710 [ 106.048255][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.048255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.048255][ T73] ___sys_sendmsg+0xee/0x170 [ 106.048255][ T73] __sys_sendmsg+0xcd/0x170 [ 106.048255][ T73] do_syscall_64+0xc6/0x1e0 [ 106.048255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.048255][ T73] [ 106.052667][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.052667][ T73] netdev_get_by_index+0x5e/0x80 [ 106.052667][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.052667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.052667][ T73] addrconf_f6i_alloc+0x315/0x560 [ 106.052667][ T73] ipv6_add_addr+0x411/0x2000 [ 106.052667][ T73] inet6_addr_add+0x30e/0xa40 [ 106.052667][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.052667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.052667][ T73] netlink_rcv_skb+0x130/0x360 [ 106.052667][ T73] netlink_unicast+0x449/0x710 [ 106.052667][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.052667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.052667][ T73] ___sys_sendmsg+0xee/0x170 [ 106.052667][ T73] __sys_sendmsg+0xcd/0x170 [ 106.052667][ T73] do_syscall_64+0xc6/0x1e0 [ 106.052667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.052667][ T73] [ 106.057106][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.057106][ T73] netdev_get_by_index+0x5e/0x80 [ 106.057106][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.057106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.057106][ T73] ip6_route_add+0x1c/0x140 [ 106.057106][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 106.057106][ T73] addrconf_add_dev+0xe2/0x170 [ 106.057106][ T73] inet6_addr_add+0x12f/0xa40 [ 106.057106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.057106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.057106][ T73] netlink_rcv_skb+0x130/0x360 [ 106.057106][ T73] netlink_unicast+0x449/0x710 [ 106.057106][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.057106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.057106][ T73] ___sys_sendmsg+0xee/0x170 [ 106.057106][ T73] __sys_sendmsg+0xcd/0x170 [ 106.057106][ T73] do_syscall_64+0xc6/0x1e0 [ 106.057106][ T73] [ 106.061727][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.061727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 106.061727][ T73] ipv6_find_idev+0x102/0x170 [ 106.061727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.061727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.061727][ T73] netlink_rcv_skb+0x130/0x360 [ 106.061727][ T73] netlink_unicast+0x449/0x710 [ 106.061727][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.061727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.061727][ T73] ___sys_sendmsg+0xee/0x170 [ 106.061727][ T73] __sys_sendmsg+0xcd/0x170 [ 106.061727][ T73] do_syscall_64+0xc6/0x1e0 [ 106.061727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.061727][ T73] [ 106.065114][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 106.065114][ T73] neigh_parms_alloc+0x1e5/0x510 [ 106.065114][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 106.065114][ T73] ipv6_find_idev+0x102/0x170 [ 106.065114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.065114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.065114][ T73] netlink_rcv_skb+0x130/0x360 [ 106.065114][ T73] netlink_unicast+0x449/0x710 [ 106.065114][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.065114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.065114][ T73] ___sys_sendmsg+0xee/0x170 [ 106.065114][ T73] __sys_sendmsg+0xcd/0x170 [ 106.065114][ T73] do_syscall_64+0xc6/0x1e0 [ 106.065114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.065114][ T73] [ 106.069201][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 106.070111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 106.070111][ T73] netdev_get_by_index+0x5e/0x80 [ 106.070111][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.070111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.070111][ T73] addrconf_f6i_alloc+0x265/0x560 [ 106.070111][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 106.070111][ T73] addrconf_join_anycast+0x1c0/0x220 [ 106.070111][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 106.070111][ T73] addrconf_dad_completed+0x12b/0xe20 [ 106.070111][ T73] addrconf_dad_begin+0x310/0x670 [ 106.070111][ T73] addrconf_dad_work+0x10b/0xab0 [ 106.070111][ T73] process_one_work+0x84d/0x18a0 [ 106.070111][ T73] worker_thread+0x587/0xd30 [ 106.070111][ T73] kthread+0x28a/0x350 [ 106.070111][ T73] ret_from_fork+0x31/0x70 [ 106.070111][ T73] ret_from_fork_asm+0x1a/0x30 [ 106.070111][ T73] [ 106.074838][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 106.074838][ T73] netdev_get_by_index+0x5e/0x80 [ 106.074838][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.074838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.074838][ T73] ip6_route_add+0x1c/0x140 [ 106.074838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 106.074838][ T73] inet6_addr_add+0x4f8/0xa40 [ 106.074838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.074838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.074838][ T73] netlink_rcv_skb+0x130/0x360 [ 106.074838][ T73] netlink_unicast+0x449/0x710 [ 106.074838][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.074838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.074838][ T73] ___sys_sendmsg+0xee/0x170 [ 106.074838][ T73] __sys_sendmsg+0xcd/0x170 [ 106.074838][ T73] do_syscall_64+0xc6/0x1e0 [ 106.074838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.074838][ T73] [ 106.079593][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 106.079593][ T73] netdev_get_by_index+0x5e/0x80 [ 106.079593][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.079593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.079593][ T73] addrconf_f6i_alloc+0x315/0x560 [ 106.079593][ T73] ipv6_add_addr+0x411/0x2000 [ 106.079593][ T73] inet6_addr_add+0x30e/0xa40 [ 106.079593][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.079593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.079593][ T73] netlink_rcv_skb+0x130/0x360 [ 106.079593][ T73] netlink_unicast+0x449/0x710 [ 106.079593][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.079593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.079593][ T73] ___sys_sendmsg+0xee/0x170 [ 106.079593][ T73] __sys_sendmsg+0xcd/0x170 [ 106.079593][ T73] do_syscall_64+0xc6/0x1e0 [ 106.079593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.079593][ T73] [ 106.084507][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 106.084507][ T73] netdev_get_by_index+0x5e/0x80 [ 106.084507][ T73] fib6_nh_init+0x3d8/0x1580 [ 106.084507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 106.084507][ T73] ip6_route_add+0x1c/0x140 [ 106.084507][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 106.084507][ T73] addrconf_add_dev+0xe2/0x170 [ 106.084507][ T73] inet6_addr_add+0x12f/0xa40 [ 106.084507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 106.084507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.084507][ T73] netlink_rcv_skb+0x130/0x360 [ 106.084507][ T73] netlink_unicast+0x449/0x710 [ 106.084507][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.084507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.084507][ T73] ___sys_sendmsg+0xee/0x170 [ 106.084507][ T73] __sys_sendmsg+0xcd/0x170 [ 106.084507][ T73] do_syscall_64+0xc6/0x1e0 [ 106.084507][ T73] [ 106.089489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 106.089489][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 106.089489][ T73] ipv6_find_idev+0x102/0x170 [ 106.089489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.089489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.089489][ T73] netlink_rcv_skb+0x130/0x360 [ 106.089489][ T73] netlink_unicast+0x449/0x710 [ 106.089489][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.089489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.089489][ T73] ___sys_sendmsg+0xee/0x170 [ 106.089489][ T73] __sys_sendmsg+0xcd/0x170 [ 106.089489][ T73] do_syscall_64+0xc6/0x1e0 [ 106.089489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.089489][ T73] [ 106.093232][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 106.093232][ T73] neigh_parms_alloc+0x1e5/0x510 [ 106.093232][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 106.093232][ T73] ipv6_find_idev+0x102/0x170 [ 106.093232][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 106.093232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 106.093232][ T73] netlink_rcv_skb+0x130/0x360 [ 106.093232][ T73] netlink_unicast+0x449/0x710 [ 106.093232][ T73] netlink_sendmsg+0x723/0xbe0 [ 106.093232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 106.093232][ T73] ___sys_sendmsg+0xee/0x170 [ 106.093232][ T73] __sys_sendmsg+0xcd/0x170 [ 106.093232][ T73] do_syscall_64+0xc6/0x1e0 [ 106.093232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 106.093232][ T73] [ 116.158915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 116.159380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.159380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 116.159380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 116.159380][ T73] fib6_nh_init+0xa22/0x1580 [ 116.159380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.159380][ T73] ip6_route_add+0x1c/0x140 [ 116.159380][ T73] inet6_rtm_newroute+0x104/0x110 [ 116.159380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.159380][ T73] netlink_rcv_skb+0x130/0x360 [ 116.159380][ T73] netlink_unicast+0x449/0x710 [ 116.159380][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.159380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.159380][ T73] ___sys_sendmsg+0xee/0x170 [ 116.159380][ T73] __sys_sendmsg+0xcd/0x170 [ 116.159380][ T73] do_syscall_64+0xc6/0x1e0 [ 116.159380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.159380][ T73] [ 116.161508][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.161508][ T73] dst_init+0x84/0x4a0 [ 116.161508][ T73] dst_alloc+0x97/0x150 [ 116.161508][ T73] ip6_dst_alloc+0x23/0x90 [ 116.161508][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 116.161508][ T73] ip6_pol_route+0x56f/0x840 [ 116.161508][ T73] fib6_rule_lookup+0x456/0x630 [ 116.161508][ T73] ip6_route_input+0x59c/0xa50 [ 116.161508][ T73] ipv6_rcv+0x397/0x810 [ 116.161508][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 116.161508][ T73] process_backlog+0x101/0x620 [ 116.161508][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 116.161508][ T73] net_rx_action+0x495/0xbe0 [ 116.161508][ T73] __do_softirq+0x1b5/0x7f6 [ 116.161508][ T73] [ 116.163295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.163295][ T73] netdev_get_by_index+0x5e/0x80 [ 116.163295][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.163295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.163295][ T73] ip6_route_add+0x1c/0x140 [ 116.163295][ T73] addrconf_prefix_route+0x2a6/0x430 [ 116.163295][ T73] inet6_addr_add+0x4f8/0xa40 [ 116.163295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.163295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.163295][ T73] netlink_rcv_skb+0x130/0x360 [ 116.163295][ T73] netlink_unicast+0x449/0x710 [ 116.163295][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.163295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.163295][ T73] ___sys_sendmsg+0xee/0x170 [ 116.163295][ T73] __sys_sendmsg+0xcd/0x170 [ 116.163295][ T73] do_syscall_64+0xc6/0x1e0 [ 116.163295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.163295][ T73] [ 116.165437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.165437][ T73] netdev_get_by_index+0x5e/0x80 [ 116.165437][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.165437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.165437][ T73] addrconf_f6i_alloc+0x315/0x560 [ 116.165437][ T73] ipv6_add_addr+0x411/0x2000 [ 116.165437][ T73] inet6_addr_add+0x30e/0xa40 [ 116.165437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.165437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.165437][ T73] netlink_rcv_skb+0x130/0x360 [ 116.165437][ T73] netlink_unicast+0x449/0x710 [ 116.165437][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.165437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.165437][ T73] ___sys_sendmsg+0xee/0x170 [ 116.165437][ T73] __sys_sendmsg+0xcd/0x170 [ 116.165437][ T73] do_syscall_64+0xc6/0x1e0 [ 116.165437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.165437][ T73] [ 116.167604][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.167604][ T73] netdev_get_by_index+0x5e/0x80 [ 116.167604][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.167604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.167604][ T73] ip6_route_add+0x1c/0x140 [ 116.167604][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 116.167604][ T73] addrconf_add_dev+0xe2/0x170 [ 116.167604][ T73] inet6_addr_add+0x12f/0xa40 [ 116.167604][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.167604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.167604][ T73] netlink_rcv_skb+0x130/0x360 [ 116.167604][ T73] netlink_unicast+0x449/0x710 [ 116.167604][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.167604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.167604][ T73] ___sys_sendmsg+0xee/0x170 [ 116.167604][ T73] __sys_sendmsg+0xcd/0x170 [ 116.167604][ T73] do_syscall_64+0xc6/0x1e0 [ 116.167604][ T73] [ 116.169729][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.169729][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 116.169729][ T73] ipv6_find_idev+0x102/0x170 [ 116.169729][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.169729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.169729][ T73] netlink_rcv_skb+0x130/0x360 [ 116.169729][ T73] netlink_unicast+0x449/0x710 [ 116.169729][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.169729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.169729][ T73] ___sys_sendmsg+0xee/0x170 [ 116.169729][ T73] __sys_sendmsg+0xcd/0x170 [ 116.169729][ T73] do_syscall_64+0xc6/0x1e0 [ 116.169729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.169729][ T73] [ 116.171420][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 116.171420][ T73] neigh_parms_alloc+0x1e5/0x510 [ 116.171420][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 116.171420][ T73] ipv6_find_idev+0x102/0x170 [ 116.171420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.171420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.171420][ T73] netlink_rcv_skb+0x130/0x360 [ 116.171420][ T73] netlink_unicast+0x449/0x710 [ 116.171420][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.171420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.171420][ T73] ___sys_sendmsg+0xee/0x170 [ 116.171420][ T73] __sys_sendmsg+0xcd/0x170 [ 116.171420][ T73] do_syscall_64+0xc6/0x1e0 [ 116.171420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.171420][ T73] [ 116.173288][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 116.173587][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.173587][ T73] dst_init+0x84/0x4a0 [ 116.173587][ T73] dst_alloc+0x97/0x150 [ 116.173587][ T73] ip6_dst_alloc+0x23/0x90 [ 116.173587][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 116.173587][ T73] ip6_pol_route+0x56f/0x840 [ 116.173587][ T73] fib6_rule_lookup+0x456/0x630 [ 116.173587][ T73] ip6_route_input+0x59c/0xa50 [ 116.173587][ T73] ipv6_rcv+0x397/0x810 [ 116.173587][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 116.173587][ T73] process_backlog+0x101/0x620 [ 116.173587][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 116.173587][ T73] net_rx_action+0x495/0xbe0 [ 116.173587][ T73] __do_softirq+0x1b5/0x7f6 [ 116.173587][ T73] [ 116.175389][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.175389][ T73] netdev_get_by_index+0x5e/0x80 [ 116.175389][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.175389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.175389][ T73] addrconf_f6i_alloc+0x265/0x560 [ 116.175389][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 116.175389][ T73] addrconf_join_anycast+0x1c0/0x220 [ 116.175389][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 116.175389][ T73] addrconf_dad_completed+0x12b/0xe20 [ 116.175389][ T73] addrconf_dad_begin+0x310/0x670 [ 116.175389][ T73] addrconf_dad_work+0x10b/0xab0 [ 116.175389][ T73] process_one_work+0x84d/0x18a0 [ 116.175389][ T73] worker_thread+0x587/0xd30 [ 116.175389][ T73] kthread+0x28a/0x350 [ 116.175389][ T73] ret_from_fork+0x31/0x70 [ 116.175389][ T73] ret_from_fork_asm+0x1a/0x30 [ 116.175389][ T73] [ 116.177449][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.177449][ T73] netdev_get_by_index+0x5e/0x80 [ 116.177449][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.177449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.177449][ T73] ip6_route_add+0x1c/0x140 [ 116.177449][ T73] addrconf_prefix_route+0x2a6/0x430 [ 116.177449][ T73] inet6_addr_add+0x4f8/0xa40 [ 116.177449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.177449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.177449][ T73] netlink_rcv_skb+0x130/0x360 [ 116.177449][ T73] netlink_unicast+0x449/0x710 [ 116.177449][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.177449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.177449][ T73] ___sys_sendmsg+0xee/0x170 [ 116.177449][ T73] __sys_sendmsg+0xcd/0x170 [ 116.177449][ T73] do_syscall_64+0xc6/0x1e0 [ 116.177449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.177449][ T73] [ 116.179606][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.179606][ T73] netdev_get_by_index+0x5e/0x80 [ 116.179606][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.179606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.179606][ T73] addrconf_f6i_alloc+0x315/0x560 [ 116.179606][ T73] ipv6_add_addr+0x411/0x2000 [ 116.179606][ T73] inet6_addr_add+0x30e/0xa40 [ 116.179606][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.179606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.179606][ T73] netlink_rcv_skb+0x130/0x360 [ 116.179606][ T73] netlink_unicast+0x449/0x710 [ 116.179606][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.179606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.179606][ T73] ___sys_sendmsg+0xee/0x170 [ 116.179606][ T73] __sys_sendmsg+0xcd/0x170 [ 116.179606][ T73] do_syscall_64+0xc6/0x1e0 [ 116.179606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.179606][ T73] [ 116.181791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.181791][ T73] netdev_get_by_index+0x5e/0x80 [ 116.181791][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.181791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.181791][ T73] ip6_route_add+0x1c/0x140 [ 116.181791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 116.181791][ T73] addrconf_add_dev+0xe2/0x170 [ 116.181791][ T73] inet6_addr_add+0x12f/0xa40 [ 116.181791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.181791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.181791][ T73] netlink_rcv_skb+0x130/0x360 [ 116.181791][ T73] netlink_unicast+0x449/0x710 [ 116.181791][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.181791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.181791][ T73] ___sys_sendmsg+0xee/0x170 [ 116.181791][ T73] __sys_sendmsg+0xcd/0x170 [ 116.181791][ T73] do_syscall_64+0xc6/0x1e0 [ 116.181791][ T73] [ 116.183971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.183971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 116.183971][ T73] ipv6_find_idev+0x102/0x170 [ 116.183971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.183971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.183971][ T73] netlink_rcv_skb+0x130/0x360 [ 116.183971][ T73] netlink_unicast+0x449/0x710 [ 116.183971][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.183971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.183971][ T73] ___sys_sendmsg+0xee/0x170 [ 116.183971][ T73] __sys_sendmsg+0xcd/0x170 [ 116.183971][ T73] do_syscall_64+0xc6/0x1e0 [ 116.183971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.183971][ T73] [ 116.185771][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 116.185771][ T73] neigh_parms_alloc+0x1e5/0x510 [ 116.185771][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 116.185771][ T73] ipv6_find_idev+0x102/0x170 [ 116.185771][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.185771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.185771][ T73] netlink_rcv_skb+0x130/0x360 [ 116.185771][ T73] netlink_unicast+0x449/0x710 [ 116.185771][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.185771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.185771][ T73] ___sys_sendmsg+0xee/0x170 [ 116.185771][ T73] __sys_sendmsg+0xcd/0x170 [ 116.185771][ T73] do_syscall_64+0xc6/0x1e0 [ 116.185771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.185771][ T73] [ 116.187868][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 116.188184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.188184][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 116.188184][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 116.188184][ T73] fib6_nh_init+0xa22/0x1580 [ 116.188184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.188184][ T73] ip6_route_add+0x1c/0x140 [ 116.188184][ T73] inet6_rtm_newroute+0x104/0x110 [ 116.188184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.188184][ T73] netlink_rcv_skb+0x130/0x360 [ 116.188184][ T73] netlink_unicast+0x449/0x710 [ 116.188184][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.188184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.188184][ T73] ___sys_sendmsg+0xee/0x170 [ 116.188184][ T73] __sys_sendmsg+0xcd/0x170 [ 116.188184][ T73] do_syscall_64+0xc6/0x1e0 [ 116.188184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.188184][ T73] [ 116.190229][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.190229][ T73] dst_init+0x84/0x4a0 [ 116.190229][ T73] dst_alloc+0x97/0x150 [ 116.190229][ T73] ip6_dst_alloc+0x23/0x90 [ 116.190229][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 116.190229][ T73] ip6_pol_route+0x56f/0x840 [ 116.190229][ T73] fib6_rule_lookup+0x456/0x630 [ 116.190229][ T73] ip6_route_input+0x59c/0xa50 [ 116.190229][ T73] ipv6_rcv+0x397/0x810 [ 116.190229][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 116.190229][ T73] process_backlog+0x101/0x620 [ 116.190229][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 116.190229][ T73] net_rx_action+0x495/0xbe0 [ 116.190229][ T73] __do_softirq+0x1b5/0x7f6 [ 116.190229][ T73] [ 116.192247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.192247][ T73] netdev_get_by_index+0x5e/0x80 [ 116.192247][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.192247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.192247][ T73] ip6_route_add+0x1c/0x140 [ 116.192247][ T73] addrconf_prefix_route+0x2a6/0x430 [ 116.192247][ T73] inet6_addr_add+0x4f8/0xa40 [ 116.192247][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.192247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.192247][ T73] netlink_rcv_skb+0x130/0x360 [ 116.192247][ T73] netlink_unicast+0x449/0x710 [ 116.192247][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.192247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.192247][ T73] ___sys_sendmsg+0xee/0x170 [ 116.192247][ T73] __sys_sendmsg+0xcd/0x170 [ 116.192247][ T73] do_syscall_64+0xc6/0x1e0 [ 116.192247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.192247][ T73] [ 116.194645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.194645][ T73] netdev_get_by_index+0x5e/0x80 [ 116.194645][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.194645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.194645][ T73] addrconf_f6i_alloc+0x315/0x560 [ 116.194645][ T73] ipv6_add_addr+0x411/0x2000 [ 116.194645][ T73] inet6_addr_add+0x30e/0xa40 [ 116.194645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.194645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.194645][ T73] netlink_rcv_skb+0x130/0x360 [ 116.194645][ T73] netlink_unicast+0x449/0x710 [ 116.194645][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.194645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.194645][ T73] ___sys_sendmsg+0xee/0x170 [ 116.194645][ T73] __sys_sendmsg+0xcd/0x170 [ 116.194645][ T73] do_syscall_64+0xc6/0x1e0 [ 116.194645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.194645][ T73] [ 116.197061][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.197061][ T73] netdev_get_by_index+0x5e/0x80 [ 116.197061][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.197061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.197061][ T73] ip6_route_add+0x1c/0x140 [ 116.197061][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 116.197061][ T73] addrconf_add_dev+0xe2/0x170 [ 116.197061][ T73] inet6_addr_add+0x12f/0xa40 [ 116.197061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.197061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.197061][ T73] netlink_rcv_skb+0x130/0x360 [ 116.197061][ T73] netlink_unicast+0x449/0x710 [ 116.197061][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.197061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.197061][ T73] ___sys_sendmsg+0xee/0x170 [ 116.197061][ T73] __sys_sendmsg+0xcd/0x170 [ 116.197061][ T73] do_syscall_64+0xc6/0x1e0 [ 116.197061][ T73] [ 116.199418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.199418][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 116.199418][ T73] ipv6_find_idev+0x102/0x170 [ 116.199418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.199418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.199418][ T73] netlink_rcv_skb+0x130/0x360 [ 116.199418][ T73] netlink_unicast+0x449/0x710 [ 116.199418][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.199418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.199418][ T73] ___sys_sendmsg+0xee/0x170 [ 116.199418][ T73] __sys_sendmsg+0xcd/0x170 [ 116.199418][ T73] do_syscall_64+0xc6/0x1e0 [ 116.199418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.199418][ T73] [ 116.201269][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 116.201269][ T73] neigh_parms_alloc+0x1e5/0x510 [ 116.201269][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 116.201269][ T73] ipv6_find_idev+0x102/0x170 [ 116.201269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.201269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.201269][ T73] netlink_rcv_skb+0x130/0x360 [ 116.201269][ T73] netlink_unicast+0x449/0x710 [ 116.201269][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.201269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.201269][ T73] ___sys_sendmsg+0xee/0x170 [ 116.201269][ T73] __sys_sendmsg+0xcd/0x170 [ 116.201269][ T73] do_syscall_64+0xc6/0x1e0 [ 116.201269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.201269][ T73] [ 116.203266][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 116.203626][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 116.203626][ T73] netdev_get_by_index+0x5e/0x80 [ 116.203626][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.203626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.203626][ T73] addrconf_f6i_alloc+0x265/0x560 [ 116.203626][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 116.203626][ T73] addrconf_join_anycast+0x1c0/0x220 [ 116.203626][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 116.203626][ T73] addrconf_dad_completed+0x12b/0xe20 [ 116.203626][ T73] addrconf_dad_begin+0x310/0x670 [ 116.203626][ T73] addrconf_dad_work+0x10b/0xab0 [ 116.203626][ T73] process_one_work+0x84d/0x18a0 [ 116.203626][ T73] worker_thread+0x587/0xd30 [ 116.203626][ T73] kthread+0x28a/0x350 [ 116.203626][ T73] ret_from_fork+0x31/0x70 [ 116.203626][ T73] ret_from_fork_asm+0x1a/0x30 [ 116.203626][ T73] [ 116.205837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 116.205837][ T73] netdev_get_by_index+0x5e/0x80 [ 116.205837][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.205837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.205837][ T73] ip6_route_add+0x1c/0x140 [ 116.205837][ T73] addrconf_prefix_route+0x2a6/0x430 [ 116.205837][ T73] inet6_addr_add+0x4f8/0xa40 [ 116.205837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.205837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.205837][ T73] netlink_rcv_skb+0x130/0x360 [ 116.205837][ T73] netlink_unicast+0x449/0x710 [ 116.205837][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.205837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.205837][ T73] ___sys_sendmsg+0xee/0x170 [ 116.205837][ T73] __sys_sendmsg+0xcd/0x170 [ 116.205837][ T73] do_syscall_64+0xc6/0x1e0 [ 116.205837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.205837][ T73] [ 116.208197][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 116.208197][ T73] netdev_get_by_index+0x5e/0x80 [ 116.208197][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.208197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.208197][ T73] addrconf_f6i_alloc+0x315/0x560 [ 116.208197][ T73] ipv6_add_addr+0x411/0x2000 [ 116.208197][ T73] inet6_addr_add+0x30e/0xa40 [ 116.208197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.208197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.208197][ T73] netlink_rcv_skb+0x130/0x360 [ 116.208197][ T73] netlink_unicast+0x449/0x710 [ 116.208197][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.208197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.208197][ T73] ___sys_sendmsg+0xee/0x170 [ 116.208197][ T73] __sys_sendmsg+0xcd/0x170 [ 116.208197][ T73] do_syscall_64+0xc6/0x1e0 [ 116.208197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.208197][ T73] [ 116.210575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 116.210575][ T73] netdev_get_by_index+0x5e/0x80 [ 116.210575][ T73] fib6_nh_init+0x3d8/0x1580 [ 116.210575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 116.210575][ T73] ip6_route_add+0x1c/0x140 [ 116.210575][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 116.210575][ T73] addrconf_add_dev+0xe2/0x170 [ 116.210575][ T73] inet6_addr_add+0x12f/0xa40 [ 116.210575][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 116.210575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.210575][ T73] netlink_rcv_skb+0x130/0x360 [ 116.210575][ T73] netlink_unicast+0x449/0x710 [ 116.210575][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.210575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.210575][ T73] ___sys_sendmsg+0xee/0x170 [ 116.210575][ T73] __sys_sendmsg+0xcd/0x170 [ 116.210575][ T73] do_syscall_64+0xc6/0x1e0 [ 116.210575][ T73] [ 116.212924][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 116.212924][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 116.212924][ T73] ipv6_find_idev+0x102/0x170 [ 116.212924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.212924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.212924][ T73] netlink_rcv_skb+0x130/0x360 [ 116.212924][ T73] netlink_unicast+0x449/0x710 [ 116.212924][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.212924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.212924][ T73] ___sys_sendmsg+0xee/0x170 [ 116.212924][ T73] __sys_sendmsg+0xcd/0x170 [ 116.212924][ T73] do_syscall_64+0xc6/0x1e0 [ 116.212924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.212924][ T73] [ 116.214808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 116.214808][ T73] neigh_parms_alloc+0x1e5/0x510 [ 116.214808][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 116.214808][ T73] ipv6_find_idev+0x102/0x170 [ 116.214808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 116.214808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 116.214808][ T73] netlink_rcv_skb+0x130/0x360 [ 116.214808][ T73] netlink_unicast+0x449/0x710 [ 116.214808][ T73] netlink_sendmsg+0x723/0xbe0 [ 116.214808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 116.214808][ T73] ___sys_sendmsg+0xee/0x170 [ 116.214808][ T73] __sys_sendmsg+0xcd/0x170 [ 116.214808][ T73] do_syscall_64+0xc6/0x1e0 [ 116.214808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 116.214808][ T73] [ 126.318906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 126.319266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.319266][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 126.319266][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 126.319266][ T73] fib6_nh_init+0xa22/0x1580 [ 126.319266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.319266][ T73] ip6_route_add+0x1c/0x140 [ 126.319266][ T73] inet6_rtm_newroute+0x104/0x110 [ 126.319266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.319266][ T73] netlink_rcv_skb+0x130/0x360 [ 126.319266][ T73] netlink_unicast+0x449/0x710 [ 126.319266][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.319266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.319266][ T73] ___sys_sendmsg+0xee/0x170 [ 126.319266][ T73] __sys_sendmsg+0xcd/0x170 [ 126.319266][ T73] do_syscall_64+0xc6/0x1e0 [ 126.319266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.319266][ T73] [ 126.321212][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.321212][ T73] dst_init+0x84/0x4a0 [ 126.321212][ T73] dst_alloc+0x97/0x150 [ 126.321212][ T73] ip6_dst_alloc+0x23/0x90 [ 126.321212][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 126.321212][ T73] ip6_pol_route+0x56f/0x840 [ 126.321212][ T73] fib6_rule_lookup+0x456/0x630 [ 126.321212][ T73] ip6_route_input+0x59c/0xa50 [ 126.321212][ T73] ipv6_rcv+0x397/0x810 [ 126.321212][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 126.321212][ T73] process_backlog+0x101/0x620 [ 126.321212][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 126.321212][ T73] net_rx_action+0x495/0xbe0 [ 126.321212][ T73] __do_softirq+0x1b5/0x7f6 [ 126.321212][ T73] [ 126.322915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.322915][ T73] netdev_get_by_index+0x5e/0x80 [ 126.322915][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.322915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.322915][ T73] ip6_route_add+0x1c/0x140 [ 126.322915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 126.322915][ T73] inet6_addr_add+0x4f8/0xa40 [ 126.322915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.322915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.322915][ T73] netlink_rcv_skb+0x130/0x360 [ 126.322915][ T73] netlink_unicast+0x449/0x710 [ 126.322915][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.322915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.322915][ T73] ___sys_sendmsg+0xee/0x170 [ 126.322915][ T73] __sys_sendmsg+0xcd/0x170 [ 126.322915][ T73] do_syscall_64+0xc6/0x1e0 [ 126.322915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.322915][ T73] [ 126.324972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.324972][ T73] netdev_get_by_index+0x5e/0x80 [ 126.324972][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.324972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.324972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 126.324972][ T73] ipv6_add_addr+0x411/0x2000 [ 126.324972][ T73] inet6_addr_add+0x30e/0xa40 [ 126.324972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.324972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.324972][ T73] netlink_rcv_skb+0x130/0x360 [ 126.324972][ T73] netlink_unicast+0x449/0x710 [ 126.324972][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.324972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.324972][ T73] ___sys_sendmsg+0xee/0x170 [ 126.324972][ T73] __sys_sendmsg+0xcd/0x170 [ 126.324972][ T73] do_syscall_64+0xc6/0x1e0 [ 126.324972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.324972][ T73] [ 126.327037][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.327037][ T73] netdev_get_by_index+0x5e/0x80 [ 126.327037][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.327037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.327037][ T73] ip6_route_add+0x1c/0x140 [ 126.327037][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 126.327037][ T73] addrconf_add_dev+0xe2/0x170 [ 126.327037][ T73] inet6_addr_add+0x12f/0xa40 [ 126.327037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.327037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.327037][ T73] netlink_rcv_skb+0x130/0x360 [ 126.327037][ T73] netlink_unicast+0x449/0x710 [ 126.327037][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.327037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.327037][ T73] ___sys_sendmsg+0xee/0x170 [ 126.327037][ T73] __sys_sendmsg+0xcd/0x170 [ 126.327037][ T73] do_syscall_64+0xc6/0x1e0 [ 126.327037][ T73] [ 126.329057][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.329057][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 126.329057][ T73] ipv6_find_idev+0x102/0x170 [ 126.329057][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.329057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.329057][ T73] netlink_rcv_skb+0x130/0x360 [ 126.329057][ T73] netlink_unicast+0x449/0x710 [ 126.329057][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.329057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.329057][ T73] ___sys_sendmsg+0xee/0x170 [ 126.329057][ T73] __sys_sendmsg+0xcd/0x170 [ 126.329057][ T73] do_syscall_64+0xc6/0x1e0 [ 126.329057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.329057][ T73] [ 126.330641][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 126.330641][ T73] neigh_parms_alloc+0x1e5/0x510 [ 126.330641][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 126.330641][ T73] ipv6_find_idev+0x102/0x170 [ 126.330641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.330641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.330641][ T73] netlink_rcv_skb+0x130/0x360 [ 126.330641][ T73] netlink_unicast+0x449/0x710 [ 126.330641][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.330641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.330641][ T73] ___sys_sendmsg+0xee/0x170 [ 126.330641][ T73] __sys_sendmsg+0xcd/0x170 [ 126.330641][ T73] do_syscall_64+0xc6/0x1e0 [ 126.330641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.330641][ T73] [ 126.332377][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 126.332732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.332732][ T73] dst_init+0x84/0x4a0 [ 126.332732][ T73] dst_alloc+0x97/0x150 [ 126.332732][ T73] ip6_dst_alloc+0x23/0x90 [ 126.332732][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 126.332732][ T73] ip6_pol_route+0x56f/0x840 [ 126.332732][ T73] fib6_rule_lookup+0x456/0x630 [ 126.332732][ T73] ip6_route_input+0x59c/0xa50 [ 126.332732][ T73] ipv6_rcv+0x397/0x810 [ 126.332732][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 126.332732][ T73] process_backlog+0x101/0x620 [ 126.332732][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 126.332732][ T73] net_rx_action+0x495/0xbe0 [ 126.332732][ T73] __do_softirq+0x1b5/0x7f6 [ 126.332732][ T73] [ 126.334561][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.334561][ T73] netdev_get_by_index+0x5e/0x80 [ 126.334561][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.334561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.334561][ T73] addrconf_f6i_alloc+0x265/0x560 [ 126.334561][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 126.334561][ T73] addrconf_join_anycast+0x1c0/0x220 [ 126.334561][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 126.334561][ T73] addrconf_dad_completed+0x12b/0xe20 [ 126.334561][ T73] addrconf_dad_begin+0x310/0x670 [ 126.334561][ T73] addrconf_dad_work+0x10b/0xab0 [ 126.334561][ T73] process_one_work+0x84d/0x18a0 [ 126.334561][ T73] worker_thread+0x587/0xd30 [ 126.334561][ T73] kthread+0x28a/0x350 [ 126.334561][ T73] ret_from_fork+0x31/0x70 [ 126.334561][ T73] ret_from_fork_asm+0x1a/0x30 [ 126.334561][ T73] [ 126.336694][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.336694][ T73] netdev_get_by_index+0x5e/0x80 [ 126.336694][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.336694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.336694][ T73] ip6_route_add+0x1c/0x140 [ 126.336694][ T73] addrconf_prefix_route+0x2a6/0x430 [ 126.336694][ T73] inet6_addr_add+0x4f8/0xa40 [ 126.336694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.336694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.336694][ T73] netlink_rcv_skb+0x130/0x360 [ 126.336694][ T73] netlink_unicast+0x449/0x710 [ 126.336694][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.336694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.336694][ T73] ___sys_sendmsg+0xee/0x170 [ 126.336694][ T73] __sys_sendmsg+0xcd/0x170 [ 126.336694][ T73] do_syscall_64+0xc6/0x1e0 [ 126.336694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.336694][ T73] [ 126.338839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.338839][ T73] netdev_get_by_index+0x5e/0x80 [ 126.338839][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.338839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.338839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 126.338839][ T73] ipv6_add_addr+0x411/0x2000 [ 126.338839][ T73] inet6_addr_add+0x30e/0xa40 [ 126.338839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.338839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.338839][ T73] netlink_rcv_skb+0x130/0x360 [ 126.338839][ T73] netlink_unicast+0x449/0x710 [ 126.338839][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.338839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.338839][ T73] ___sys_sendmsg+0xee/0x170 [ 126.338839][ T73] __sys_sendmsg+0xcd/0x170 [ 126.338839][ T73] do_syscall_64+0xc6/0x1e0 [ 126.338839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.338839][ T73] [ 126.341078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.341078][ T73] netdev_get_by_index+0x5e/0x80 [ 126.341078][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.341078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.341078][ T73] ip6_route_add+0x1c/0x140 [ 126.341078][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 126.341078][ T73] addrconf_add_dev+0xe2/0x170 [ 126.341078][ T73] inet6_addr_add+0x12f/0xa40 [ 126.341078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.341078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.341078][ T73] netlink_rcv_skb+0x130/0x360 [ 126.341078][ T73] netlink_unicast+0x449/0x710 [ 126.341078][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.341078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.341078][ T73] ___sys_sendmsg+0xee/0x170 [ 126.341078][ T73] __sys_sendmsg+0xcd/0x170 [ 126.341078][ T73] do_syscall_64+0xc6/0x1e0 [ 126.341078][ T73] [ 126.343214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.343214][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 126.343214][ T73] ipv6_find_idev+0x102/0x170 [ 126.343214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.343214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.343214][ T73] netlink_rcv_skb+0x130/0x360 [ 126.343214][ T73] netlink_unicast+0x449/0x710 [ 126.343214][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.343214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.343214][ T73] ___sys_sendmsg+0xee/0x170 [ 126.343214][ T73] __sys_sendmsg+0xcd/0x170 [ 126.343214][ T73] do_syscall_64+0xc6/0x1e0 [ 126.343214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.343214][ T73] [ 126.344935][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 126.344935][ T73] neigh_parms_alloc+0x1e5/0x510 [ 126.344935][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 126.344935][ T73] ipv6_find_idev+0x102/0x170 [ 126.344935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.344935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.344935][ T73] netlink_rcv_skb+0x130/0x360 [ 126.344935][ T73] netlink_unicast+0x449/0x710 [ 126.344935][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.344935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.344935][ T73] ___sys_sendmsg+0xee/0x170 [ 126.344935][ T73] __sys_sendmsg+0xcd/0x170 [ 126.344935][ T73] do_syscall_64+0xc6/0x1e0 [ 126.344935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.344935][ T73] [ 126.346678][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 126.347034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.347034][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 126.347034][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 126.347034][ T73] fib6_nh_init+0xa22/0x1580 [ 126.347034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.347034][ T73] ip6_route_add+0x1c/0x140 [ 126.347034][ T73] inet6_rtm_newroute+0x104/0x110 [ 126.347034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.347034][ T73] netlink_rcv_skb+0x130/0x360 [ 126.347034][ T73] netlink_unicast+0x449/0x710 [ 126.347034][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.347034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.347034][ T73] ___sys_sendmsg+0xee/0x170 [ 126.347034][ T73] __sys_sendmsg+0xcd/0x170 [ 126.347034][ T73] do_syscall_64+0xc6/0x1e0 [ 126.347034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.347034][ T73] [ 126.348930][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.348930][ T73] dst_init+0x84/0x4a0 [ 126.348930][ T73] dst_alloc+0x97/0x150 [ 126.348930][ T73] ip6_dst_alloc+0x23/0x90 [ 126.348930][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 126.348930][ T73] ip6_pol_route+0x56f/0x840 [ 126.348930][ T73] fib6_rule_lookup+0x456/0x630 [ 126.348930][ T73] ip6_route_input+0x59c/0xa50 [ 126.348930][ T73] ipv6_rcv+0x397/0x810 [ 126.348930][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 126.348930][ T73] process_backlog+0x101/0x620 [ 126.348930][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 126.348930][ T73] net_rx_action+0x495/0xbe0 [ 126.348930][ T73] __do_softirq+0x1b5/0x7f6 [ 126.348930][ T73] [ 126.350585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.350585][ T73] netdev_get_by_index+0x5e/0x80 [ 126.350585][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.350585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.350585][ T73] ip6_route_add+0x1c/0x140 [ 126.350585][ T73] addrconf_prefix_route+0x2a6/0x430 [ 126.350585][ T73] inet6_addr_add+0x4f8/0xa40 [ 126.350585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.350585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.350585][ T73] netlink_rcv_skb+0x130/0x360 [ 126.350585][ T73] netlink_unicast+0x449/0x710 [ 126.350585][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.350585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.350585][ T73] ___sys_sendmsg+0xee/0x170 [ 126.350585][ T73] __sys_sendmsg+0xcd/0x170 [ 126.350585][ T73] do_syscall_64+0xc6/0x1e0 [ 126.350585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.350585][ T73] [ 126.352866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.352866][ T73] netdev_get_by_index+0x5e/0x80 [ 126.352866][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.352866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.352866][ T73] addrconf_f6i_alloc+0x315/0x560 [ 126.352866][ T73] ipv6_add_addr+0x411/0x2000 [ 126.352866][ T73] inet6_addr_add+0x30e/0xa40 [ 126.352866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.352866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.352866][ T73] netlink_rcv_skb+0x130/0x360 [ 126.352866][ T73] netlink_unicast+0x449/0x710 [ 126.352866][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.352866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.352866][ T73] ___sys_sendmsg+0xee/0x170 [ 126.352866][ T73] __sys_sendmsg+0xcd/0x170 [ 126.352866][ T73] do_syscall_64+0xc6/0x1e0 [ 126.352866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.352866][ T73] [ 126.355121][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.355121][ T73] netdev_get_by_index+0x5e/0x80 [ 126.355121][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.355121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.355121][ T73] ip6_route_add+0x1c/0x140 [ 126.355121][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 126.355121][ T73] addrconf_add_dev+0xe2/0x170 [ 126.355121][ T73] inet6_addr_add+0x12f/0xa40 [ 126.355121][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.355121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.355121][ T73] netlink_rcv_skb+0x130/0x360 [ 126.355121][ T73] netlink_unicast+0x449/0x710 [ 126.355121][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.355121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.355121][ T73] ___sys_sendmsg+0xee/0x170 [ 126.355121][ T73] __sys_sendmsg+0xcd/0x170 [ 126.355121][ T73] do_syscall_64+0xc6/0x1e0 [ 126.355121][ T73] [ 126.357337][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.357337][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 126.357337][ T73] ipv6_find_idev+0x102/0x170 [ 126.357337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.357337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.357337][ T73] netlink_rcv_skb+0x130/0x360 [ 126.357337][ T73] netlink_unicast+0x449/0x710 [ 126.357337][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.357337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.357337][ T73] ___sys_sendmsg+0xee/0x170 [ 126.357337][ T73] __sys_sendmsg+0xcd/0x170 [ 126.357337][ T73] do_syscall_64+0xc6/0x1e0 [ 126.357337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.357337][ T73] [ 126.359223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 126.359223][ T73] neigh_parms_alloc+0x1e5/0x510 [ 126.359223][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 126.359223][ T73] ipv6_find_idev+0x102/0x170 [ 126.359223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.359223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.359223][ T73] netlink_rcv_skb+0x130/0x360 [ 126.359223][ T73] netlink_unicast+0x449/0x710 [ 126.359223][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.359223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.359223][ T73] ___sys_sendmsg+0xee/0x170 [ 126.359223][ T73] __sys_sendmsg+0xcd/0x170 [ 126.359223][ T73] do_syscall_64+0xc6/0x1e0 [ 126.359223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.359223][ T73] [ 126.361152][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 126.361432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 126.361432][ T73] netdev_get_by_index+0x5e/0x80 [ 126.361432][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.361432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.361432][ T73] addrconf_f6i_alloc+0x265/0x560 [ 126.361432][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 126.361432][ T73] addrconf_join_anycast+0x1c0/0x220 [ 126.361432][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 126.361432][ T73] addrconf_dad_completed+0x12b/0xe20 [ 126.361432][ T73] addrconf_dad_begin+0x310/0x670 [ 126.361432][ T73] addrconf_dad_work+0x10b/0xab0 [ 126.361432][ T73] process_one_work+0x84d/0x18a0 [ 126.361432][ T73] worker_thread+0x587/0xd30 [ 126.361432][ T73] kthread+0x28a/0x350 [ 126.361432][ T73] ret_from_fork+0x31/0x70 [ 126.361432][ T73] ret_from_fork_asm+0x1a/0x30 [ 126.361432][ T73] [ 126.363543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 126.363543][ T73] netdev_get_by_index+0x5e/0x80 [ 126.363543][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.363543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.363543][ T73] ip6_route_add+0x1c/0x140 [ 126.363543][ T73] addrconf_prefix_route+0x2a6/0x430 [ 126.363543][ T73] inet6_addr_add+0x4f8/0xa40 [ 126.363543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.363543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.363543][ T73] netlink_rcv_skb+0x130/0x360 [ 126.363543][ T73] netlink_unicast+0x449/0x710 [ 126.363543][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.363543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.363543][ T73] ___sys_sendmsg+0xee/0x170 [ 126.363543][ T73] __sys_sendmsg+0xcd/0x170 [ 126.363543][ T73] do_syscall_64+0xc6/0x1e0 [ 126.363543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.363543][ T73] [ 126.365907][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 126.365907][ T73] netdev_get_by_index+0x5e/0x80 [ 126.365907][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.365907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.365907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 126.365907][ T73] ipv6_add_addr+0x411/0x2000 [ 126.365907][ T73] inet6_addr_add+0x30e/0xa40 [ 126.365907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.365907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.365907][ T73] netlink_rcv_skb+0x130/0x360 [ 126.365907][ T73] netlink_unicast+0x449/0x710 [ 126.365907][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.365907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.365907][ T73] ___sys_sendmsg+0xee/0x170 [ 126.365907][ T73] __sys_sendmsg+0xcd/0x170 [ 126.365907][ T73] do_syscall_64+0xc6/0x1e0 [ 126.365907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.365907][ T73] [ 126.367919][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 126.367919][ T73] netdev_get_by_index+0x5e/0x80 [ 126.367919][ T73] fib6_nh_init+0x3d8/0x1580 [ 126.367919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 126.367919][ T73] ip6_route_add+0x1c/0x140 [ 126.367919][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 126.367919][ T73] addrconf_add_dev+0xe2/0x170 [ 126.367919][ T73] inet6_addr_add+0x12f/0xa40 [ 126.367919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 126.367919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.367919][ T73] netlink_rcv_skb+0x130/0x360 [ 126.367919][ T73] netlink_unicast+0x449/0x710 [ 126.367919][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.367919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.367919][ T73] ___sys_sendmsg+0xee/0x170 [ 126.367919][ T73] __sys_sendmsg+0xcd/0x170 [ 126.367919][ T73] do_syscall_64+0xc6/0x1e0 [ 126.367919][ T73] [ 126.370200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 126.370200][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 126.370200][ T73] ipv6_find_idev+0x102/0x170 [ 126.370200][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.370200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.370200][ T73] netlink_rcv_skb+0x130/0x360 [ 126.370200][ T73] netlink_unicast+0x449/0x710 [ 126.370200][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.370200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.370200][ T73] ___sys_sendmsg+0xee/0x170 [ 126.370200][ T73] __sys_sendmsg+0xcd/0x170 [ 126.370200][ T73] do_syscall_64+0xc6/0x1e0 [ 126.370200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.370200][ T73] [ 126.371902][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 126.371902][ T73] neigh_parms_alloc+0x1e5/0x510 [ 126.371902][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 126.371902][ T73] ipv6_find_idev+0x102/0x170 [ 126.371902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.371902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.371902][ T73] netlink_rcv_skb+0x130/0x360 [ 126.371902][ T73] netlink_unicast+0x449/0x710 [ 126.371902][ T73] netlink_sendmsg+0x723/0xbe0 [ 126.371902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 126.371902][ T73] ___sys_sendmsg+0xee/0x170 [ 126.371902][ T73] __sys_sendmsg+0xcd/0x170 [ 126.371902][ T73] do_syscall_64+0xc6/0x1e0 [ 126.371902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.371902][ T73] [ 136.479799][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 136.480161][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.480161][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 136.480161][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 136.480161][ T73] fib6_nh_init+0xa22/0x1580 [ 136.480161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.480161][ T73] ip6_route_add+0x1c/0x140 [ 136.480161][ T73] inet6_rtm_newroute+0x104/0x110 [ 136.480161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.480161][ T73] netlink_rcv_skb+0x130/0x360 [ 136.480161][ T73] netlink_unicast+0x449/0x710 [ 136.480161][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.480161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.480161][ T73] ___sys_sendmsg+0xee/0x170 [ 136.480161][ T73] __sys_sendmsg+0xcd/0x170 [ 136.480161][ T73] do_syscall_64+0xc6/0x1e0 [ 136.480161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.480161][ T73] [ 136.482113][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.482113][ T73] dst_init+0x84/0x4a0 [ 136.482113][ T73] dst_alloc+0x97/0x150 [ 136.482113][ T73] ip6_dst_alloc+0x23/0x90 [ 136.482113][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 136.482113][ T73] ip6_pol_route+0x56f/0x840 [ 136.482113][ T73] fib6_rule_lookup+0x456/0x630 [ 136.482113][ T73] ip6_route_input+0x59c/0xa50 [ 136.482113][ T73] ipv6_rcv+0x397/0x810 [ 136.482113][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 136.482113][ T73] process_backlog+0x101/0x620 [ 136.482113][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 136.482113][ T73] net_rx_action+0x495/0xbe0 [ 136.482113][ T73] __do_softirq+0x1b5/0x7f6 [ 136.482113][ T73] [ 136.483753][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.483753][ T73] netdev_get_by_index+0x5e/0x80 [ 136.483753][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.483753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.483753][ T73] ip6_route_add+0x1c/0x140 [ 136.483753][ T73] addrconf_prefix_route+0x2a6/0x430 [ 136.483753][ T73] inet6_addr_add+0x4f8/0xa40 [ 136.483753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.483753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.483753][ T73] netlink_rcv_skb+0x130/0x360 [ 136.483753][ T73] netlink_unicast+0x449/0x710 [ 136.483753][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.483753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.483753][ T73] ___sys_sendmsg+0xee/0x170 [ 136.483753][ T73] __sys_sendmsg+0xcd/0x170 [ 136.483753][ T73] do_syscall_64+0xc6/0x1e0 [ 136.483753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.483753][ T73] [ 136.485761][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.485761][ T73] netdev_get_by_index+0x5e/0x80 [ 136.485761][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.485761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.485761][ T73] addrconf_f6i_alloc+0x315/0x560 [ 136.485761][ T73] ipv6_add_addr+0x411/0x2000 [ 136.485761][ T73] inet6_addr_add+0x30e/0xa40 [ 136.485761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.485761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.485761][ T73] netlink_rcv_skb+0x130/0x360 [ 136.485761][ T73] netlink_unicast+0x449/0x710 [ 136.485761][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.485761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.485761][ T73] ___sys_sendmsg+0xee/0x170 [ 136.485761][ T73] __sys_sendmsg+0xcd/0x170 [ 136.485761][ T73] do_syscall_64+0xc6/0x1e0 [ 136.485761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.485761][ T73] [ 136.487750][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.487750][ T73] netdev_get_by_index+0x5e/0x80 [ 136.487750][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.487750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.487750][ T73] ip6_route_add+0x1c/0x140 [ 136.487750][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 136.487750][ T73] addrconf_add_dev+0xe2/0x170 [ 136.487750][ T73] inet6_addr_add+0x12f/0xa40 [ 136.487750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.487750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.487750][ T73] netlink_rcv_skb+0x130/0x360 [ 136.487750][ T73] netlink_unicast+0x449/0x710 [ 136.487750][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.487750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.487750][ T73] ___sys_sendmsg+0xee/0x170 [ 136.487750][ T73] __sys_sendmsg+0xcd/0x170 [ 136.487750][ T73] do_syscall_64+0xc6/0x1e0 [ 136.487750][ T73] [ 136.489716][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.489716][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 136.489716][ T73] ipv6_find_idev+0x102/0x170 [ 136.489716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.489716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.489716][ T73] netlink_rcv_skb+0x130/0x360 [ 136.489716][ T73] netlink_unicast+0x449/0x710 [ 136.489716][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.489716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.489716][ T73] ___sys_sendmsg+0xee/0x170 [ 136.489716][ T73] __sys_sendmsg+0xcd/0x170 [ 136.489716][ T73] do_syscall_64+0xc6/0x1e0 [ 136.489716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.489716][ T73] [ 136.491262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 136.491262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 136.491262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 136.491262][ T73] ipv6_find_idev+0x102/0x170 [ 136.491262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.491262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.491262][ T73] netlink_rcv_skb+0x130/0x360 [ 136.491262][ T73] netlink_unicast+0x449/0x710 [ 136.491262][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.491262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.491262][ T73] ___sys_sendmsg+0xee/0x170 [ 136.491262][ T73] __sys_sendmsg+0xcd/0x170 [ 136.491262][ T73] do_syscall_64+0xc6/0x1e0 [ 136.491262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.491262][ T73] [ 136.492990][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 136.493267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.493267][ T73] dst_init+0x84/0x4a0 [ 136.493267][ T73] dst_alloc+0x97/0x150 [ 136.493267][ T73] ip6_dst_alloc+0x23/0x90 [ 136.493267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 136.493267][ T73] ip6_pol_route+0x56f/0x840 [ 136.493267][ T73] fib6_rule_lookup+0x456/0x630 [ 136.493267][ T73] ip6_route_input+0x59c/0xa50 [ 136.493267][ T73] ipv6_rcv+0x397/0x810 [ 136.493267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 136.493267][ T73] process_backlog+0x101/0x620 [ 136.493267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 136.493267][ T73] net_rx_action+0x495/0xbe0 [ 136.493267][ T73] __do_softirq+0x1b5/0x7f6 [ 136.493267][ T73] [ 136.494912][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.494912][ T73] netdev_get_by_index+0x5e/0x80 [ 136.494912][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.494912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.494912][ T73] addrconf_f6i_alloc+0x265/0x560 [ 136.494912][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 136.494912][ T73] addrconf_join_anycast+0x1c0/0x220 [ 136.494912][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 136.494912][ T73] addrconf_dad_completed+0x12b/0xe20 [ 136.494912][ T73] addrconf_dad_begin+0x310/0x670 [ 136.494912][ T73] addrconf_dad_work+0x10b/0xab0 [ 136.494912][ T73] process_one_work+0x84d/0x18a0 [ 136.494912][ T73] worker_thread+0x587/0xd30 [ 136.494912][ T73] kthread+0x28a/0x350 [ 136.494912][ T73] ret_from_fork+0x31/0x70 [ 136.494912][ T73] ret_from_fork_asm+0x1a/0x30 [ 136.494912][ T73] [ 136.496809][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.496809][ T73] netdev_get_by_index+0x5e/0x80 [ 136.496809][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.496809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.496809][ T73] ip6_route_add+0x1c/0x140 [ 136.496809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 136.496809][ T73] inet6_addr_add+0x4f8/0xa40 [ 136.496809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.496809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.496809][ T73] netlink_rcv_skb+0x130/0x360 [ 136.496809][ T73] netlink_unicast+0x449/0x710 [ 136.496809][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.496809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.496809][ T73] ___sys_sendmsg+0xee/0x170 [ 136.496809][ T73] __sys_sendmsg+0xcd/0x170 [ 136.496809][ T73] do_syscall_64+0xc6/0x1e0 [ 136.496809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.496809][ T73] [ 136.498811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.498811][ T73] netdev_get_by_index+0x5e/0x80 [ 136.498811][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.498811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.498811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 136.498811][ T73] ipv6_add_addr+0x411/0x2000 [ 136.498811][ T73] inet6_addr_add+0x30e/0xa40 [ 136.498811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.498811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.498811][ T73] netlink_rcv_skb+0x130/0x360 [ 136.498811][ T73] netlink_unicast+0x449/0x710 [ 136.498811][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.498811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.498811][ T73] ___sys_sendmsg+0xee/0x170 [ 136.498811][ T73] __sys_sendmsg+0xcd/0x170 [ 136.498811][ T73] do_syscall_64+0xc6/0x1e0 [ 136.498811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.498811][ T73] [ 136.500829][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.500829][ T73] netdev_get_by_index+0x5e/0x80 [ 136.500829][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.500829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.500829][ T73] ip6_route_add+0x1c/0x140 [ 136.500829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 136.500829][ T73] addrconf_add_dev+0xe2/0x170 [ 136.500829][ T73] inet6_addr_add+0x12f/0xa40 [ 136.500829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.500829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.500829][ T73] netlink_rcv_skb+0x130/0x360 [ 136.500829][ T73] netlink_unicast+0x449/0x710 [ 136.500829][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.500829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.500829][ T73] ___sys_sendmsg+0xee/0x170 [ 136.500829][ T73] __sys_sendmsg+0xcd/0x170 [ 136.500829][ T73] do_syscall_64+0xc6/0x1e0 [ 136.500829][ T73] [ 136.502796][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.502796][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 136.502796][ T73] ipv6_find_idev+0x102/0x170 [ 136.502796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.502796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.502796][ T73] netlink_rcv_skb+0x130/0x360 [ 136.502796][ T73] netlink_unicast+0x449/0x710 [ 136.502796][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.502796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.502796][ T73] ___sys_sendmsg+0xee/0x170 [ 136.502796][ T73] __sys_sendmsg+0xcd/0x170 [ 136.502796][ T73] do_syscall_64+0xc6/0x1e0 [ 136.502796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.502796][ T73] [ 136.504335][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 136.504335][ T73] neigh_parms_alloc+0x1e5/0x510 [ 136.504335][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 136.504335][ T73] ipv6_find_idev+0x102/0x170 [ 136.504335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.504335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.504335][ T73] netlink_rcv_skb+0x130/0x360 [ 136.504335][ T73] netlink_unicast+0x449/0x710 [ 136.504335][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.504335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.504335][ T73] ___sys_sendmsg+0xee/0x170 [ 136.504335][ T73] __sys_sendmsg+0xcd/0x170 [ 136.504335][ T73] do_syscall_64+0xc6/0x1e0 [ 136.504335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.504335][ T73] [ 136.506104][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 136.506382][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.506382][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 136.506382][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 136.506382][ T73] fib6_nh_init+0xa22/0x1580 [ 136.506382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.506382][ T73] ip6_route_add+0x1c/0x140 [ 136.506382][ T73] inet6_rtm_newroute+0x104/0x110 [ 136.506382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.506382][ T73] netlink_rcv_skb+0x130/0x360 [ 136.506382][ T73] netlink_unicast+0x449/0x710 [ 136.506382][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.506382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.506382][ T73] ___sys_sendmsg+0xee/0x170 [ 136.506382][ T73] __sys_sendmsg+0xcd/0x170 [ 136.506382][ T73] do_syscall_64+0xc6/0x1e0 [ 136.506382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.506382][ T73] [ 136.508571][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.508571][ T73] dst_init+0x84/0x4a0 [ 136.508571][ T73] dst_alloc+0x97/0x150 [ 136.508571][ T73] ip6_dst_alloc+0x23/0x90 [ 136.508571][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 136.508571][ T73] ip6_pol_route+0x56f/0x840 [ 136.508571][ T73] fib6_rule_lookup+0x456/0x630 [ 136.508571][ T73] ip6_route_input+0x59c/0xa50 [ 136.508571][ T73] ipv6_rcv+0x397/0x810 [ 136.508571][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 136.508571][ T73] process_backlog+0x101/0x620 [ 136.508571][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 136.508571][ T73] net_rx_action+0x495/0xbe0 [ 136.508571][ T73] __do_softirq+0x1b5/0x7f6 [ 136.508571][ T73] [ 136.510408][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.510408][ T73] netdev_get_by_index+0x5e/0x80 [ 136.510408][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.510408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.510408][ T73] ip6_route_add+0x1c/0x140 [ 136.510408][ T73] addrconf_prefix_route+0x2a6/0x430 [ 136.510408][ T73] inet6_addr_add+0x4f8/0xa40 [ 136.510408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.510408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.510408][ T73] netlink_rcv_skb+0x130/0x360 [ 136.510408][ T73] netlink_unicast+0x449/0x710 [ 136.510408][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.510408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.510408][ T73] ___sys_sendmsg+0xee/0x170 [ 136.510408][ T73] __sys_sendmsg+0xcd/0x170 [ 136.510408][ T73] do_syscall_64+0xc6/0x1e0 [ 136.510408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.510408][ T73] [ 136.512577][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.512577][ T73] netdev_get_by_index+0x5e/0x80 [ 136.512577][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.512577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.512577][ T73] addrconf_f6i_alloc+0x315/0x560 [ 136.512577][ T73] ipv6_add_addr+0x411/0x2000 [ 136.512577][ T73] inet6_addr_add+0x30e/0xa40 [ 136.512577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.512577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.512577][ T73] netlink_rcv_skb+0x130/0x360 [ 136.512577][ T73] netlink_unicast+0x449/0x710 [ 136.512577][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.512577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.512577][ T73] ___sys_sendmsg+0xee/0x170 [ 136.512577][ T73] __sys_sendmsg+0xcd/0x170 [ 136.512577][ T73] do_syscall_64+0xc6/0x1e0 [ 136.512577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.512577][ T73] [ 136.514804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.514804][ T73] netdev_get_by_index+0x5e/0x80 [ 136.514804][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.514804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.514804][ T73] ip6_route_add+0x1c/0x140 [ 136.514804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 136.514804][ T73] addrconf_add_dev+0xe2/0x170 [ 136.514804][ T73] inet6_addr_add+0x12f/0xa40 [ 136.514804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.514804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.514804][ T73] netlink_rcv_skb+0x130/0x360 [ 136.514804][ T73] netlink_unicast+0x449/0x710 [ 136.514804][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.514804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.514804][ T73] ___sys_sendmsg+0xee/0x170 [ 136.514804][ T73] __sys_sendmsg+0xcd/0x170 [ 136.514804][ T73] do_syscall_64+0xc6/0x1e0 [ 136.514804][ T73] [ 136.517000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.517000][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 136.517000][ T73] ipv6_find_idev+0x102/0x170 [ 136.517000][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.517000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.517000][ T73] netlink_rcv_skb+0x130/0x360 [ 136.517000][ T73] netlink_unicast+0x449/0x710 [ 136.517000][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.517000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.517000][ T73] ___sys_sendmsg+0xee/0x170 [ 136.517000][ T73] __sys_sendmsg+0xcd/0x170 [ 136.517000][ T73] do_syscall_64+0xc6/0x1e0 [ 136.517000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.517000][ T73] [ 136.518644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 136.518644][ T73] neigh_parms_alloc+0x1e5/0x510 [ 136.518644][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 136.518644][ T73] ipv6_find_idev+0x102/0x170 [ 136.518644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.518644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.518644][ T73] netlink_rcv_skb+0x130/0x360 [ 136.518644][ T73] netlink_unicast+0x449/0x710 [ 136.518644][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.518644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.518644][ T73] ___sys_sendmsg+0xee/0x170 [ 136.518644][ T73] __sys_sendmsg+0xcd/0x170 [ 136.518644][ T73] do_syscall_64+0xc6/0x1e0 [ 136.518644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.518644][ T73] [ 136.520583][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 136.520878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 136.520878][ T73] netdev_get_by_index+0x5e/0x80 [ 136.520878][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.520878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.520878][ T73] addrconf_f6i_alloc+0x265/0x560 [ 136.520878][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 136.520878][ T73] addrconf_join_anycast+0x1c0/0x220 [ 136.520878][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 136.520878][ T73] addrconf_dad_completed+0x12b/0xe20 [ 136.520878][ T73] addrconf_dad_begin+0x310/0x670 [ 136.520878][ T73] addrconf_dad_work+0x10b/0xab0 [ 136.520878][ T73] process_one_work+0x84d/0x18a0 [ 136.520878][ T73] worker_thread+0x587/0xd30 [ 136.520878][ T73] kthread+0x28a/0x350 [ 136.520878][ T73] ret_from_fork+0x31/0x70 [ 136.520878][ T73] ret_from_fork_asm+0x1a/0x30 [ 136.520878][ T73] [ 136.523087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 136.523087][ T73] netdev_get_by_index+0x5e/0x80 [ 136.523087][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.523087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.523087][ T73] ip6_route_add+0x1c/0x140 [ 136.523087][ T73] addrconf_prefix_route+0x2a6/0x430 [ 136.523087][ T73] inet6_addr_add+0x4f8/0xa40 [ 136.523087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.523087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.523087][ T73] netlink_rcv_skb+0x130/0x360 [ 136.523087][ T73] netlink_unicast+0x449/0x710 [ 136.523087][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.523087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.523087][ T73] ___sys_sendmsg+0xee/0x170 [ 136.523087][ T73] __sys_sendmsg+0xcd/0x170 [ 136.523087][ T73] do_syscall_64+0xc6/0x1e0 [ 136.523087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.523087][ T73] [ 136.525218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 136.525218][ T73] netdev_get_by_index+0x5e/0x80 [ 136.525218][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.525218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.525218][ T73] addrconf_f6i_alloc+0x315/0x560 [ 136.525218][ T73] ipv6_add_addr+0x411/0x2000 [ 136.525218][ T73] inet6_addr_add+0x30e/0xa40 [ 136.525218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.525218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.525218][ T73] netlink_rcv_skb+0x130/0x360 [ 136.525218][ T73] netlink_unicast+0x449/0x710 [ 136.525218][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.525218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.525218][ T73] ___sys_sendmsg+0xee/0x170 [ 136.525218][ T73] __sys_sendmsg+0xcd/0x170 [ 136.525218][ T73] do_syscall_64+0xc6/0x1e0 [ 136.525218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.525218][ T73] [ 136.527488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 136.527488][ T73] netdev_get_by_index+0x5e/0x80 [ 136.527488][ T73] fib6_nh_init+0x3d8/0x1580 [ 136.527488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 136.527488][ T73] ip6_route_add+0x1c/0x140 [ 136.527488][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 136.527488][ T73] addrconf_add_dev+0xe2/0x170 [ 136.527488][ T73] inet6_addr_add+0x12f/0xa40 [ 136.527488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 136.527488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.527488][ T73] netlink_rcv_skb+0x130/0x360 [ 136.527488][ T73] netlink_unicast+0x449/0x710 [ 136.527488][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.527488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.527488][ T73] ___sys_sendmsg+0xee/0x170 [ 136.527488][ T73] __sys_sendmsg+0xcd/0x170 [ 136.527488][ T73] do_syscall_64+0xc6/0x1e0 [ 136.527488][ T73] [ 136.529677][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 136.529677][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 136.529677][ T73] ipv6_find_idev+0x102/0x170 [ 136.529677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.529677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.529677][ T73] netlink_rcv_skb+0x130/0x360 [ 136.529677][ T73] netlink_unicast+0x449/0x710 [ 136.529677][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.529677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.529677][ T73] ___sys_sendmsg+0xee/0x170 [ 136.529677][ T73] __sys_sendmsg+0xcd/0x170 [ 136.529677][ T73] do_syscall_64+0xc6/0x1e0 [ 136.529677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.529677][ T73] [ 136.531319][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 136.531319][ T73] neigh_parms_alloc+0x1e5/0x510 [ 136.531319][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 136.531319][ T73] ipv6_find_idev+0x102/0x170 [ 136.531319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.531319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.531319][ T73] netlink_rcv_skb+0x130/0x360 [ 136.531319][ T73] netlink_unicast+0x449/0x710 [ 136.531319][ T73] netlink_sendmsg+0x723/0xbe0 [ 136.531319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 136.531319][ T73] ___sys_sendmsg+0xee/0x170 [ 136.531319][ T73] __sys_sendmsg+0xcd/0x170 [ 136.531319][ T73] do_syscall_64+0xc6/0x1e0 [ 136.531319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.531319][ T73] [ 146.702812][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 146.703170][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.703170][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 146.703170][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 146.703170][ T73] fib6_nh_init+0xa22/0x1580 [ 146.703170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.703170][ T73] ip6_route_add+0x1c/0x140 [ 146.703170][ T73] inet6_rtm_newroute+0x104/0x110 [ 146.703170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.703170][ T73] netlink_rcv_skb+0x130/0x360 [ 146.703170][ T73] netlink_unicast+0x449/0x710 [ 146.703170][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.703170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.703170][ T73] ___sys_sendmsg+0xee/0x170 [ 146.703170][ T73] __sys_sendmsg+0xcd/0x170 [ 146.703170][ T73] do_syscall_64+0xc6/0x1e0 [ 146.703170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.703170][ T73] [ 146.705112][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.705112][ T73] dst_init+0x84/0x4a0 [ 146.705112][ T73] dst_alloc+0x97/0x150 [ 146.705112][ T73] ip6_dst_alloc+0x23/0x90 [ 146.705112][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 146.705112][ T73] ip6_pol_route+0x56f/0x840 [ 146.705112][ T73] fib6_rule_lookup+0x456/0x630 [ 146.705112][ T73] ip6_route_input+0x59c/0xa50 [ 146.705112][ T73] ipv6_rcv+0x397/0x810 [ 146.705112][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 146.705112][ T73] process_backlog+0x101/0x620 [ 146.705112][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 146.705112][ T73] net_rx_action+0x495/0xbe0 [ 146.705112][ T73] __do_softirq+0x1b5/0x7f6 [ 146.705112][ T73] [ 146.706770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.706770][ T73] netdev_get_by_index+0x5e/0x80 [ 146.706770][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.706770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.706770][ T73] ip6_route_add+0x1c/0x140 [ 146.706770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 146.706770][ T73] inet6_addr_add+0x4f8/0xa40 [ 146.706770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.706770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.706770][ T73] netlink_rcv_skb+0x130/0x360 [ 146.706770][ T73] netlink_unicast+0x449/0x710 [ 146.706770][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.706770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.706770][ T73] ___sys_sendmsg+0xee/0x170 [ 146.706770][ T73] __sys_sendmsg+0xcd/0x170 [ 146.706770][ T73] do_syscall_64+0xc6/0x1e0 [ 146.706770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.706770][ T73] [ 146.708798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.708798][ T73] netdev_get_by_index+0x5e/0x80 [ 146.708798][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.708798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.708798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 146.708798][ T73] ipv6_add_addr+0x411/0x2000 [ 146.708798][ T73] inet6_addr_add+0x30e/0xa40 [ 146.708798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.708798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.708798][ T73] netlink_rcv_skb+0x130/0x360 [ 146.708798][ T73] netlink_unicast+0x449/0x710 [ 146.708798][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.708798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.708798][ T73] ___sys_sendmsg+0xee/0x170 [ 146.708798][ T73] __sys_sendmsg+0xcd/0x170 [ 146.708798][ T73] do_syscall_64+0xc6/0x1e0 [ 146.708798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.708798][ T73] [ 146.710837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.710837][ T73] netdev_get_by_index+0x5e/0x80 [ 146.710837][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.710837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.710837][ T73] ip6_route_add+0x1c/0x140 [ 146.710837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 146.710837][ T73] addrconf_add_dev+0xe2/0x170 [ 146.710837][ T73] inet6_addr_add+0x12f/0xa40 [ 146.710837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.710837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.710837][ T73] netlink_rcv_skb+0x130/0x360 [ 146.710837][ T73] netlink_unicast+0x449/0x710 [ 146.710837][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.710837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.710837][ T73] ___sys_sendmsg+0xee/0x170 [ 146.710837][ T73] __sys_sendmsg+0xcd/0x170 [ 146.710837][ T73] do_syscall_64+0xc6/0x1e0 [ 146.710837][ T73] [ 146.712839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.712839][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 146.712839][ T73] ipv6_find_idev+0x102/0x170 [ 146.712839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.712839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.712839][ T73] netlink_rcv_skb+0x130/0x360 [ 146.712839][ T73] netlink_unicast+0x449/0x710 [ 146.712839][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.712839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.712839][ T73] ___sys_sendmsg+0xee/0x170 [ 146.712839][ T73] __sys_sendmsg+0xcd/0x170 [ 146.712839][ T73] do_syscall_64+0xc6/0x1e0 [ 146.712839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.712839][ T73] [ 146.714402][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 146.714402][ T73] neigh_parms_alloc+0x1e5/0x510 [ 146.714402][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 146.714402][ T73] ipv6_find_idev+0x102/0x170 [ 146.714402][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.714402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.714402][ T73] netlink_rcv_skb+0x130/0x360 [ 146.714402][ T73] netlink_unicast+0x449/0x710 [ 146.714402][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.714402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.714402][ T73] ___sys_sendmsg+0xee/0x170 [ 146.714402][ T73] __sys_sendmsg+0xcd/0x170 [ 146.714402][ T73] do_syscall_64+0xc6/0x1e0 [ 146.714402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.714402][ T73] [ 146.716290][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 146.716658][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.716658][ T73] dst_init+0x84/0x4a0 [ 146.716658][ T73] dst_alloc+0x97/0x150 [ 146.716658][ T73] ip6_dst_alloc+0x23/0x90 [ 146.716658][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 146.716658][ T73] ip6_pol_route+0x56f/0x840 [ 146.716658][ T73] fib6_rule_lookup+0x456/0x630 [ 146.716658][ T73] ip6_route_input+0x59c/0xa50 [ 146.716658][ T73] ipv6_rcv+0x397/0x810 [ 146.716658][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 146.716658][ T73] process_backlog+0x101/0x620 [ 146.716658][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 146.716658][ T73] net_rx_action+0x495/0xbe0 [ 146.716658][ T73] __do_softirq+0x1b5/0x7f6 [ 146.716658][ T73] [ 146.718462][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.718462][ T73] netdev_get_by_index+0x5e/0x80 [ 146.718462][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.718462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.718462][ T73] addrconf_f6i_alloc+0x265/0x560 [ 146.718462][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 146.718462][ T73] addrconf_join_anycast+0x1c0/0x220 [ 146.718462][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 146.718462][ T73] addrconf_dad_completed+0x12b/0xe20 [ 146.718462][ T73] addrconf_dad_begin+0x310/0x670 [ 146.718462][ T73] addrconf_dad_work+0x10b/0xab0 [ 146.718462][ T73] process_one_work+0x84d/0x18a0 [ 146.718462][ T73] worker_thread+0x587/0xd30 [ 146.718462][ T73] kthread+0x28a/0x350 [ 146.718462][ T73] ret_from_fork+0x31/0x70 [ 146.718462][ T73] ret_from_fork_asm+0x1a/0x30 [ 146.718462][ T73] [ 146.720591][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.720591][ T73] netdev_get_by_index+0x5e/0x80 [ 146.720591][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.720591][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.720591][ T73] ip6_route_add+0x1c/0x140 [ 146.720591][ T73] addrconf_prefix_route+0x2a6/0x430 [ 146.720591][ T73] inet6_addr_add+0x4f8/0xa40 [ 146.720591][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.720591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.720591][ T73] netlink_rcv_skb+0x130/0x360 [ 146.720591][ T73] netlink_unicast+0x449/0x710 [ 146.720591][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.720591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.720591][ T73] ___sys_sendmsg+0xee/0x170 [ 146.720591][ T73] __sys_sendmsg+0xcd/0x170 [ 146.720591][ T73] do_syscall_64+0xc6/0x1e0 [ 146.720591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.720591][ T73] [ 146.722807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.722807][ T73] netdev_get_by_index+0x5e/0x80 [ 146.722807][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.722807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.722807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 146.722807][ T73] ipv6_add_addr+0x411/0x2000 [ 146.722807][ T73] inet6_addr_add+0x30e/0xa40 [ 146.722807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.722807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.722807][ T73] netlink_rcv_skb+0x130/0x360 [ 146.722807][ T73] netlink_unicast+0x449/0x710 [ 146.722807][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.722807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.722807][ T73] ___sys_sendmsg+0xee/0x170 [ 146.722807][ T73] __sys_sendmsg+0xcd/0x170 [ 146.722807][ T73] do_syscall_64+0xc6/0x1e0 [ 146.722807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.722807][ T73] [ 146.725082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.725082][ T73] netdev_get_by_index+0x5e/0x80 [ 146.725082][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.725082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.725082][ T73] ip6_route_add+0x1c/0x140 [ 146.725082][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 146.725082][ T73] addrconf_add_dev+0xe2/0x170 [ 146.725082][ T73] inet6_addr_add+0x12f/0xa40 [ 146.725082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.725082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.725082][ T73] netlink_rcv_skb+0x130/0x360 [ 146.725082][ T73] netlink_unicast+0x449/0x710 [ 146.725082][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.725082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.725082][ T73] ___sys_sendmsg+0xee/0x170 [ 146.725082][ T73] __sys_sendmsg+0xcd/0x170 [ 146.725082][ T73] do_syscall_64+0xc6/0x1e0 [ 146.725082][ T73] [ 146.727329][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.727329][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 146.727329][ T73] ipv6_find_idev+0x102/0x170 [ 146.727329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.727329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.727329][ T73] netlink_rcv_skb+0x130/0x360 [ 146.727329][ T73] netlink_unicast+0x449/0x710 [ 146.727329][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.727329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.727329][ T73] ___sys_sendmsg+0xee/0x170 [ 146.727329][ T73] __sys_sendmsg+0xcd/0x170 [ 146.727329][ T73] do_syscall_64+0xc6/0x1e0 [ 146.727329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.727329][ T73] [ 146.729055][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 146.729055][ T73] neigh_parms_alloc+0x1e5/0x510 [ 146.729055][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 146.729055][ T73] ipv6_find_idev+0x102/0x170 [ 146.729055][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.729055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.729055][ T73] netlink_rcv_skb+0x130/0x360 [ 146.729055][ T73] netlink_unicast+0x449/0x710 [ 146.729055][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.729055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.729055][ T73] ___sys_sendmsg+0xee/0x170 [ 146.729055][ T73] __sys_sendmsg+0xcd/0x170 [ 146.729055][ T73] do_syscall_64+0xc6/0x1e0 [ 146.729055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.729055][ T73] [ 146.731548][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 146.731829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.731829][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 146.731829][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 146.731829][ T73] fib6_nh_init+0xa22/0x1580 [ 146.731829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.731829][ T73] ip6_route_add+0x1c/0x140 [ 146.731829][ T73] inet6_rtm_newroute+0x104/0x110 [ 146.731829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.731829][ T73] netlink_rcv_skb+0x130/0x360 [ 146.731829][ T73] netlink_unicast+0x449/0x710 [ 146.731829][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.731829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.731829][ T73] ___sys_sendmsg+0xee/0x170 [ 146.731829][ T73] __sys_sendmsg+0xcd/0x170 [ 146.731829][ T73] do_syscall_64+0xc6/0x1e0 [ 146.731829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.731829][ T73] [ 146.733744][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.733744][ T73] dst_init+0x84/0x4a0 [ 146.733744][ T73] dst_alloc+0x97/0x150 [ 146.733744][ T73] ip6_dst_alloc+0x23/0x90 [ 146.733744][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 146.733744][ T73] ip6_pol_route+0x56f/0x840 [ 146.733744][ T73] fib6_rule_lookup+0x456/0x630 [ 146.733744][ T73] ip6_route_input+0x59c/0xa50 [ 146.733744][ T73] ipv6_rcv+0x397/0x810 [ 146.733744][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 146.733744][ T73] process_backlog+0x101/0x620 [ 146.733744][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 146.733744][ T73] net_rx_action+0x495/0xbe0 [ 146.733744][ T73] __do_softirq+0x1b5/0x7f6 [ 146.733744][ T73] [ 146.735509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.735509][ T73] netdev_get_by_index+0x5e/0x80 [ 146.735509][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.735509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.735509][ T73] ip6_route_add+0x1c/0x140 [ 146.735509][ T73] addrconf_prefix_route+0x2a6/0x430 [ 146.735509][ T73] inet6_addr_add+0x4f8/0xa40 [ 146.735509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.735509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.735509][ T73] netlink_rcv_skb+0x130/0x360 [ 146.735509][ T73] netlink_unicast+0x449/0x710 [ 146.735509][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.735509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.735509][ T73] ___sys_sendmsg+0xee/0x170 [ 146.735509][ T73] __sys_sendmsg+0xcd/0x170 [ 146.735509][ T73] do_syscall_64+0xc6/0x1e0 [ 146.735509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.735509][ T73] [ 146.737711][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.737711][ T73] netdev_get_by_index+0x5e/0x80 [ 146.737711][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.737711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.737711][ T73] addrconf_f6i_alloc+0x315/0x560 [ 146.737711][ T73] ipv6_add_addr+0x411/0x2000 [ 146.737711][ T73] inet6_addr_add+0x30e/0xa40 [ 146.737711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.737711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.737711][ T73] netlink_rcv_skb+0x130/0x360 [ 146.737711][ T73] netlink_unicast+0x449/0x710 [ 146.737711][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.737711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.737711][ T73] ___sys_sendmsg+0xee/0x170 [ 146.737711][ T73] __sys_sendmsg+0xcd/0x170 [ 146.737711][ T73] do_syscall_64+0xc6/0x1e0 [ 146.737711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.737711][ T73] [ 146.739961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.739961][ T73] netdev_get_by_index+0x5e/0x80 [ 146.739961][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.739961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.739961][ T73] ip6_route_add+0x1c/0x140 [ 146.739961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 146.739961][ T73] addrconf_add_dev+0xe2/0x170 [ 146.739961][ T73] inet6_addr_add+0x12f/0xa40 [ 146.739961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.739961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.739961][ T73] netlink_rcv_skb+0x130/0x360 [ 146.739961][ T73] netlink_unicast+0x449/0x710 [ 146.739961][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.739961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.739961][ T73] ___sys_sendmsg+0xee/0x170 [ 146.739961][ T73] __sys_sendmsg+0xcd/0x170 [ 146.739961][ T73] do_syscall_64+0xc6/0x1e0 [ 146.739961][ T73] [ 146.742252][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.742252][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 146.742252][ T73] ipv6_find_idev+0x102/0x170 [ 146.742252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.742252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.742252][ T73] netlink_rcv_skb+0x130/0x360 [ 146.742252][ T73] netlink_unicast+0x449/0x710 [ 146.742252][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.742252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.742252][ T73] ___sys_sendmsg+0xee/0x170 [ 146.742252][ T73] __sys_sendmsg+0xcd/0x170 [ 146.742252][ T73] do_syscall_64+0xc6/0x1e0 [ 146.742252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.742252][ T73] [ 146.744012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 146.744012][ T73] neigh_parms_alloc+0x1e5/0x510 [ 146.744012][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 146.744012][ T73] ipv6_find_idev+0x102/0x170 [ 146.744012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.744012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.744012][ T73] netlink_rcv_skb+0x130/0x360 [ 146.744012][ T73] netlink_unicast+0x449/0x710 [ 146.744012][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.744012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.744012][ T73] ___sys_sendmsg+0xee/0x170 [ 146.744012][ T73] __sys_sendmsg+0xcd/0x170 [ 146.744012][ T73] do_syscall_64+0xc6/0x1e0 [ 146.744012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.744012][ T73] [ 146.745845][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 146.746196][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 146.746196][ T73] netdev_get_by_index+0x5e/0x80 [ 146.746196][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.746196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.746196][ T73] addrconf_f6i_alloc+0x265/0x560 [ 146.746196][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 146.746196][ T73] addrconf_join_anycast+0x1c0/0x220 [ 146.746196][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 146.746196][ T73] addrconf_dad_completed+0x12b/0xe20 [ 146.746196][ T73] addrconf_dad_begin+0x310/0x670 [ 146.746196][ T73] addrconf_dad_work+0x10b/0xab0 [ 146.746196][ T73] process_one_work+0x84d/0x18a0 [ 146.746196][ T73] worker_thread+0x587/0xd30 [ 146.746196][ T73] kthread+0x28a/0x350 [ 146.746196][ T73] ret_from_fork+0x31/0x70 [ 146.746196][ T73] ret_from_fork_asm+0x1a/0x30 [ 146.746196][ T73] [ 146.748227][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 146.748227][ T73] netdev_get_by_index+0x5e/0x80 [ 146.748227][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.748227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.748227][ T73] ip6_route_add+0x1c/0x140 [ 146.748227][ T73] addrconf_prefix_route+0x2a6/0x430 [ 146.748227][ T73] inet6_addr_add+0x4f8/0xa40 [ 146.748227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.748227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.748227][ T73] netlink_rcv_skb+0x130/0x360 [ 146.748227][ T73] netlink_unicast+0x449/0x710 [ 146.748227][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.748227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.748227][ T73] ___sys_sendmsg+0xee/0x170 [ 146.748227][ T73] __sys_sendmsg+0xcd/0x170 [ 146.748227][ T73] do_syscall_64+0xc6/0x1e0 [ 146.748227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.748227][ T73] [ 146.750476][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 146.750476][ T73] netdev_get_by_index+0x5e/0x80 [ 146.750476][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.750476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.750476][ T73] addrconf_f6i_alloc+0x315/0x560 [ 146.750476][ T73] ipv6_add_addr+0x411/0x2000 [ 146.750476][ T73] inet6_addr_add+0x30e/0xa40 [ 146.750476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.750476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.750476][ T73] netlink_rcv_skb+0x130/0x360 [ 146.750476][ T73] netlink_unicast+0x449/0x710 [ 146.750476][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.750476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.750476][ T73] ___sys_sendmsg+0xee/0x170 [ 146.750476][ T73] __sys_sendmsg+0xcd/0x170 [ 146.750476][ T73] do_syscall_64+0xc6/0x1e0 [ 146.750476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.750476][ T73] [ 146.752657][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 146.752657][ T73] netdev_get_by_index+0x5e/0x80 [ 146.752657][ T73] fib6_nh_init+0x3d8/0x1580 [ 146.752657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 146.752657][ T73] ip6_route_add+0x1c/0x140 [ 146.752657][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 146.752657][ T73] addrconf_add_dev+0xe2/0x170 [ 146.752657][ T73] inet6_addr_add+0x12f/0xa40 [ 146.752657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 146.752657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.752657][ T73] netlink_rcv_skb+0x130/0x360 [ 146.752657][ T73] netlink_unicast+0x449/0x710 [ 146.752657][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.752657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.752657][ T73] ___sys_sendmsg+0xee/0x170 [ 146.752657][ T73] __sys_sendmsg+0xcd/0x170 [ 146.752657][ T73] do_syscall_64+0xc6/0x1e0 [ 146.752657][ T73] [ 146.754926][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 146.754926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 146.754926][ T73] ipv6_find_idev+0x102/0x170 [ 146.754926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.754926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.754926][ T73] netlink_rcv_skb+0x130/0x360 [ 146.754926][ T73] netlink_unicast+0x449/0x710 [ 146.754926][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.754926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.754926][ T73] ___sys_sendmsg+0xee/0x170 [ 146.754926][ T73] __sys_sendmsg+0xcd/0x170 [ 146.754926][ T73] do_syscall_64+0xc6/0x1e0 [ 146.754926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.754926][ T73] [ 146.756642][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 146.756642][ T73] neigh_parms_alloc+0x1e5/0x510 [ 146.756642][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 146.756642][ T73] ipv6_find_idev+0x102/0x170 [ 146.756642][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.756642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.756642][ T73] netlink_rcv_skb+0x130/0x360 [ 146.756642][ T73] netlink_unicast+0x449/0x710 [ 146.756642][ T73] netlink_sendmsg+0x723/0xbe0 [ 146.756642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 146.756642][ T73] ___sys_sendmsg+0xee/0x170 [ 146.756642][ T73] __sys_sendmsg+0xcd/0x170 [ 146.756642][ T73] do_syscall_64+0xc6/0x1e0 [ 146.756642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.756642][ T73] [ 156.790982][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 156.791539][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.791539][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 156.791539][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 156.791539][ T73] fib6_nh_init+0xa22/0x1580 [ 156.791539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.791539][ T73] ip6_route_add+0x1c/0x140 [ 156.791539][ T73] inet6_rtm_newroute+0x104/0x110 [ 156.791539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.791539][ T73] netlink_rcv_skb+0x130/0x360 [ 156.791539][ T73] netlink_unicast+0x449/0x710 [ 156.791539][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.791539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.791539][ T73] ___sys_sendmsg+0xee/0x170 [ 156.791539][ T73] __sys_sendmsg+0xcd/0x170 [ 156.791539][ T73] do_syscall_64+0xc6/0x1e0 [ 156.791539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.791539][ T73] [ 156.793526][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.793526][ T73] dst_init+0x84/0x4a0 [ 156.793526][ T73] dst_alloc+0x97/0x150 [ 156.793526][ T73] ip6_dst_alloc+0x23/0x90 [ 156.793526][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 156.793526][ T73] ip6_pol_route+0x56f/0x840 [ 156.793526][ T73] fib6_rule_lookup+0x456/0x630 [ 156.793526][ T73] ip6_route_input+0x59c/0xa50 [ 156.793526][ T73] ipv6_rcv+0x397/0x810 [ 156.793526][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 156.793526][ T73] process_backlog+0x101/0x620 [ 156.793526][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 156.793526][ T73] net_rx_action+0x495/0xbe0 [ 156.793526][ T73] __do_softirq+0x1b5/0x7f6 [ 156.793526][ T73] [ 156.795193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.795193][ T73] netdev_get_by_index+0x5e/0x80 [ 156.795193][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.795193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.795193][ T73] ip6_route_add+0x1c/0x140 [ 156.795193][ T73] addrconf_prefix_route+0x2a6/0x430 [ 156.795193][ T73] inet6_addr_add+0x4f8/0xa40 [ 156.795193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.795193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.795193][ T73] netlink_rcv_skb+0x130/0x360 [ 156.795193][ T73] netlink_unicast+0x449/0x710 [ 156.795193][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.795193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.795193][ T73] ___sys_sendmsg+0xee/0x170 [ 156.795193][ T73] __sys_sendmsg+0xcd/0x170 [ 156.795193][ T73] do_syscall_64+0xc6/0x1e0 [ 156.795193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.795193][ T73] [ 156.797216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.797216][ T73] netdev_get_by_index+0x5e/0x80 [ 156.797216][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.797216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.797216][ T73] addrconf_f6i_alloc+0x315/0x560 [ 156.797216][ T73] ipv6_add_addr+0x411/0x2000 [ 156.797216][ T73] inet6_addr_add+0x30e/0xa40 [ 156.797216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.797216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.797216][ T73] netlink_rcv_skb+0x130/0x360 [ 156.797216][ T73] netlink_unicast+0x449/0x710 [ 156.797216][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.797216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.797216][ T73] ___sys_sendmsg+0xee/0x170 [ 156.797216][ T73] __sys_sendmsg+0xcd/0x170 [ 156.797216][ T73] do_syscall_64+0xc6/0x1e0 [ 156.797216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.797216][ T73] [ 156.799231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.799231][ T73] netdev_get_by_index+0x5e/0x80 [ 156.799231][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.799231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.799231][ T73] ip6_route_add+0x1c/0x140 [ 156.799231][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 156.799231][ T73] addrconf_add_dev+0xe2/0x170 [ 156.799231][ T73] inet6_addr_add+0x12f/0xa40 [ 156.799231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.799231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.799231][ T73] netlink_rcv_skb+0x130/0x360 [ 156.799231][ T73] netlink_unicast+0x449/0x710 [ 156.799231][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.799231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.799231][ T73] ___sys_sendmsg+0xee/0x170 [ 156.799231][ T73] __sys_sendmsg+0xcd/0x170 [ 156.799231][ T73] do_syscall_64+0xc6/0x1e0 [ 156.799231][ T73] [ 156.801235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.801235][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 156.801235][ T73] ipv6_find_idev+0x102/0x170 [ 156.801235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.801235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.801235][ T73] netlink_rcv_skb+0x130/0x360 [ 156.801235][ T73] netlink_unicast+0x449/0x710 [ 156.801235][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.801235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.801235][ T73] ___sys_sendmsg+0xee/0x170 [ 156.801235][ T73] __sys_sendmsg+0xcd/0x170 [ 156.801235][ T73] do_syscall_64+0xc6/0x1e0 [ 156.801235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.801235][ T73] [ 156.802795][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 156.802795][ T73] neigh_parms_alloc+0x1e5/0x510 [ 156.802795][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 156.802795][ T73] ipv6_find_idev+0x102/0x170 [ 156.802795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.802795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.802795][ T73] netlink_rcv_skb+0x130/0x360 [ 156.802795][ T73] netlink_unicast+0x449/0x710 [ 156.802795][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.802795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.802795][ T73] ___sys_sendmsg+0xee/0x170 [ 156.802795][ T73] __sys_sendmsg+0xcd/0x170 [ 156.802795][ T73] do_syscall_64+0xc6/0x1e0 [ 156.802795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.802795][ T73] [ 156.804543][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 156.804871][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.804871][ T73] dst_init+0x84/0x4a0 [ 156.804871][ T73] dst_alloc+0x97/0x150 [ 156.804871][ T73] ip6_dst_alloc+0x23/0x90 [ 156.804871][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 156.804871][ T73] ip6_pol_route+0x56f/0x840 [ 156.804871][ T73] fib6_rule_lookup+0x456/0x630 [ 156.804871][ T73] ip6_route_input+0x59c/0xa50 [ 156.804871][ T73] ipv6_rcv+0x397/0x810 [ 156.804871][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 156.804871][ T73] process_backlog+0x101/0x620 [ 156.804871][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 156.804871][ T73] net_rx_action+0x495/0xbe0 [ 156.804871][ T73] __do_softirq+0x1b5/0x7f6 [ 156.804871][ T73] [ 156.806533][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.806533][ T73] netdev_get_by_index+0x5e/0x80 [ 156.806533][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.806533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.806533][ T73] addrconf_f6i_alloc+0x265/0x560 [ 156.806533][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 156.806533][ T73] addrconf_join_anycast+0x1c0/0x220 [ 156.806533][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 156.806533][ T73] addrconf_dad_completed+0x12b/0xe20 [ 156.806533][ T73] addrconf_dad_begin+0x310/0x670 [ 156.806533][ T73] addrconf_dad_work+0x10b/0xab0 [ 156.806533][ T73] process_one_work+0x84d/0x18a0 [ 156.806533][ T73] worker_thread+0x587/0xd30 [ 156.806533][ T73] kthread+0x28a/0x350 [ 156.806533][ T73] ret_from_fork+0x31/0x70 [ 156.806533][ T73] ret_from_fork_asm+0x1a/0x30 [ 156.806533][ T73] [ 156.808462][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.808462][ T73] netdev_get_by_index+0x5e/0x80 [ 156.808462][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.808462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.808462][ T73] ip6_route_add+0x1c/0x140 [ 156.808462][ T73] addrconf_prefix_route+0x2a6/0x430 [ 156.808462][ T73] inet6_addr_add+0x4f8/0xa40 [ 156.808462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.808462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.808462][ T73] netlink_rcv_skb+0x130/0x360 [ 156.808462][ T73] netlink_unicast+0x449/0x710 [ 156.808462][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.808462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.808462][ T73] ___sys_sendmsg+0xee/0x170 [ 156.808462][ T73] __sys_sendmsg+0xcd/0x170 [ 156.808462][ T73] do_syscall_64+0xc6/0x1e0 [ 156.808462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.808462][ T73] [ 156.810485][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.810485][ T73] netdev_get_by_index+0x5e/0x80 [ 156.810485][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.810485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.810485][ T73] addrconf_f6i_alloc+0x315/0x560 [ 156.810485][ T73] ipv6_add_addr+0x411/0x2000 [ 156.810485][ T73] inet6_addr_add+0x30e/0xa40 [ 156.810485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.810485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.810485][ T73] netlink_rcv_skb+0x130/0x360 [ 156.810485][ T73] netlink_unicast+0x449/0x710 [ 156.810485][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.810485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.810485][ T73] ___sys_sendmsg+0xee/0x170 [ 156.810485][ T73] __sys_sendmsg+0xcd/0x170 [ 156.810485][ T73] do_syscall_64+0xc6/0x1e0 [ 156.810485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.810485][ T73] [ 156.812509][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.812509][ T73] netdev_get_by_index+0x5e/0x80 [ 156.812509][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.812509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.812509][ T73] ip6_route_add+0x1c/0x140 [ 156.812509][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 156.812509][ T73] addrconf_add_dev+0xe2/0x170 [ 156.812509][ T73] inet6_addr_add+0x12f/0xa40 [ 156.812509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.812509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.812509][ T73] netlink_rcv_skb+0x130/0x360 [ 156.812509][ T73] netlink_unicast+0x449/0x710 [ 156.812509][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.812509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.812509][ T73] ___sys_sendmsg+0xee/0x170 [ 156.812509][ T73] __sys_sendmsg+0xcd/0x170 [ 156.812509][ T73] do_syscall_64+0xc6/0x1e0 [ 156.812509][ T73] [ 156.814491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.814491][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 156.814491][ T73] ipv6_find_idev+0x102/0x170 [ 156.814491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.814491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.814491][ T73] netlink_rcv_skb+0x130/0x360 [ 156.814491][ T73] netlink_unicast+0x449/0x710 [ 156.814491][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.814491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.814491][ T73] ___sys_sendmsg+0xee/0x170 [ 156.814491][ T73] __sys_sendmsg+0xcd/0x170 [ 156.814491][ T73] do_syscall_64+0xc6/0x1e0 [ 156.814491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.814491][ T73] [ 156.816052][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 156.816052][ T73] neigh_parms_alloc+0x1e5/0x510 [ 156.816052][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 156.816052][ T73] ipv6_find_idev+0x102/0x170 [ 156.816052][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.816052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.816052][ T73] netlink_rcv_skb+0x130/0x360 [ 156.816052][ T73] netlink_unicast+0x449/0x710 [ 156.816052][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.816052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.816052][ T73] ___sys_sendmsg+0xee/0x170 [ 156.816052][ T73] __sys_sendmsg+0xcd/0x170 [ 156.816052][ T73] do_syscall_64+0xc6/0x1e0 [ 156.816052][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.816052][ T73] [ 156.817876][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 156.818156][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.818156][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 156.818156][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 156.818156][ T73] fib6_nh_init+0xa22/0x1580 [ 156.818156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.818156][ T73] ip6_route_add+0x1c/0x140 [ 156.818156][ T73] inet6_rtm_newroute+0x104/0x110 [ 156.818156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.818156][ T73] netlink_rcv_skb+0x130/0x360 [ 156.818156][ T73] netlink_unicast+0x449/0x710 [ 156.818156][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.818156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.818156][ T73] ___sys_sendmsg+0xee/0x170 [ 156.818156][ T73] __sys_sendmsg+0xcd/0x170 [ 156.818156][ T73] do_syscall_64+0xc6/0x1e0 [ 156.818156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.818156][ T73] [ 156.820380][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.820380][ T73] dst_init+0x84/0x4a0 [ 156.820380][ T73] dst_alloc+0x97/0x150 [ 156.820380][ T73] ip6_dst_alloc+0x23/0x90 [ 156.820380][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 156.820380][ T73] ip6_pol_route+0x56f/0x840 [ 156.820380][ T73] fib6_rule_lookup+0x456/0x630 [ 156.820380][ T73] ip6_route_input+0x59c/0xa50 [ 156.820380][ T73] ipv6_rcv+0x397/0x810 [ 156.820380][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 156.820380][ T73] process_backlog+0x101/0x620 [ 156.820380][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 156.820380][ T73] net_rx_action+0x495/0xbe0 [ 156.820380][ T73] __do_softirq+0x1b5/0x7f6 [ 156.820380][ T73] [ 156.822210][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.822210][ T73] netdev_get_by_index+0x5e/0x80 [ 156.822210][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.822210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.822210][ T73] ip6_route_add+0x1c/0x140 [ 156.822210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 156.822210][ T73] inet6_addr_add+0x4f8/0xa40 [ 156.822210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.822210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.822210][ T73] netlink_rcv_skb+0x130/0x360 [ 156.822210][ T73] netlink_unicast+0x449/0x710 [ 156.822210][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.822210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.822210][ T73] ___sys_sendmsg+0xee/0x170 [ 156.822210][ T73] __sys_sendmsg+0xcd/0x170 [ 156.822210][ T73] do_syscall_64+0xc6/0x1e0 [ 156.822210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.822210][ T73] [ 156.824478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.824478][ T73] netdev_get_by_index+0x5e/0x80 [ 156.824478][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.824478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.824478][ T73] addrconf_f6i_alloc+0x315/0x560 [ 156.824478][ T73] ipv6_add_addr+0x411/0x2000 [ 156.824478][ T73] inet6_addr_add+0x30e/0xa40 [ 156.824478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.824478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.824478][ T73] netlink_rcv_skb+0x130/0x360 [ 156.824478][ T73] netlink_unicast+0x449/0x710 [ 156.824478][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.824478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.824478][ T73] ___sys_sendmsg+0xee/0x170 [ 156.824478][ T73] __sys_sendmsg+0xcd/0x170 [ 156.824478][ T73] do_syscall_64+0xc6/0x1e0 [ 156.824478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.824478][ T73] [ 156.826675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.826675][ T73] netdev_get_by_index+0x5e/0x80 [ 156.826675][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.826675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.826675][ T73] ip6_route_add+0x1c/0x140 [ 156.826675][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 156.826675][ T73] addrconf_add_dev+0xe2/0x170 [ 156.826675][ T73] inet6_addr_add+0x12f/0xa40 [ 156.826675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.826675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.826675][ T73] netlink_rcv_skb+0x130/0x360 [ 156.826675][ T73] netlink_unicast+0x449/0x710 [ 156.826675][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.826675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.826675][ T73] ___sys_sendmsg+0xee/0x170 [ 156.826675][ T73] __sys_sendmsg+0xcd/0x170 [ 156.826675][ T73] do_syscall_64+0xc6/0x1e0 [ 156.826675][ T73] [ 156.828965][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.828965][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 156.828965][ T73] ipv6_find_idev+0x102/0x170 [ 156.828965][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.828965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.828965][ T73] netlink_rcv_skb+0x130/0x360 [ 156.828965][ T73] netlink_unicast+0x449/0x710 [ 156.828965][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.828965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.828965][ T73] ___sys_sendmsg+0xee/0x170 [ 156.828965][ T73] __sys_sendmsg+0xcd/0x170 [ 156.828965][ T73] do_syscall_64+0xc6/0x1e0 [ 156.828965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.828965][ T73] [ 156.830708][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 156.830708][ T73] neigh_parms_alloc+0x1e5/0x510 [ 156.830708][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 156.830708][ T73] ipv6_find_idev+0x102/0x170 [ 156.830708][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.830708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.830708][ T73] netlink_rcv_skb+0x130/0x360 [ 156.830708][ T73] netlink_unicast+0x449/0x710 [ 156.830708][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.830708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.830708][ T73] ___sys_sendmsg+0xee/0x170 [ 156.830708][ T73] __sys_sendmsg+0xcd/0x170 [ 156.830708][ T73] do_syscall_64+0xc6/0x1e0 [ 156.830708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.830708][ T73] [ 156.832611][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 156.833433][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 156.833433][ T73] netdev_get_by_index+0x5e/0x80 [ 156.833433][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.833433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.833433][ T73] addrconf_f6i_alloc+0x265/0x560 [ 156.833433][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 156.833433][ T73] addrconf_join_anycast+0x1c0/0x220 [ 156.833433][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 156.833433][ T73] addrconf_dad_completed+0x12b/0xe20 [ 156.833433][ T73] addrconf_dad_begin+0x310/0x670 [ 156.833433][ T73] addrconf_dad_work+0x10b/0xab0 [ 156.833433][ T73] process_one_work+0x84d/0x18a0 [ 156.833433][ T73] worker_thread+0x587/0xd30 [ 156.833433][ T73] kthread+0x28a/0x350 [ 156.833433][ T73] ret_from_fork+0x31/0x70 [ 156.833433][ T73] ret_from_fork_asm+0x1a/0x30 [ 156.833433][ T73] [ 156.835360][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 156.835360][ T73] netdev_get_by_index+0x5e/0x80 [ 156.835360][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.835360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.835360][ T73] ip6_route_add+0x1c/0x140 [ 156.835360][ T73] addrconf_prefix_route+0x2a6/0x430 [ 156.835360][ T73] inet6_addr_add+0x4f8/0xa40 [ 156.835360][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.835360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.835360][ T73] netlink_rcv_skb+0x130/0x360 [ 156.835360][ T73] netlink_unicast+0x449/0x710 [ 156.835360][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.835360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.835360][ T73] ___sys_sendmsg+0xee/0x170 [ 156.835360][ T73] __sys_sendmsg+0xcd/0x170 [ 156.835360][ T73] do_syscall_64+0xc6/0x1e0 [ 156.835360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.835360][ T73] [ 156.837371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 156.837371][ T73] netdev_get_by_index+0x5e/0x80 [ 156.837371][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.837371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.837371][ T73] addrconf_f6i_alloc+0x315/0x560 [ 156.837371][ T73] ipv6_add_addr+0x411/0x2000 [ 156.837371][ T73] inet6_addr_add+0x30e/0xa40 [ 156.837371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.837371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.837371][ T73] netlink_rcv_skb+0x130/0x360 [ 156.837371][ T73] netlink_unicast+0x449/0x710 [ 156.837371][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.837371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.837371][ T73] ___sys_sendmsg+0xee/0x170 [ 156.837371][ T73] __sys_sendmsg+0xcd/0x170 [ 156.837371][ T73] do_syscall_64+0xc6/0x1e0 [ 156.837371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.837371][ T73] [ 156.839657][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 156.839657][ T73] netdev_get_by_index+0x5e/0x80 [ 156.839657][ T73] fib6_nh_init+0x3d8/0x1580 [ 156.839657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 156.839657][ T73] ip6_route_add+0x1c/0x140 [ 156.839657][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 156.839657][ T73] addrconf_add_dev+0xe2/0x170 [ 156.839657][ T73] inet6_addr_add+0x12f/0xa40 [ 156.839657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 156.839657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.839657][ T73] netlink_rcv_skb+0x130/0x360 [ 156.839657][ T73] netlink_unicast+0x449/0x710 [ 156.839657][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.839657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.839657][ T73] ___sys_sendmsg+0xee/0x170 [ 156.839657][ T73] __sys_sendmsg+0xcd/0x170 [ 156.839657][ T73] do_syscall_64+0xc6/0x1e0 [ 156.839657][ T73] [ 156.841967][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 156.841967][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 156.841967][ T73] ipv6_find_idev+0x102/0x170 [ 156.841967][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.841967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.841967][ T73] netlink_rcv_skb+0x130/0x360 [ 156.841967][ T73] netlink_unicast+0x449/0x710 [ 156.841967][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.841967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.841967][ T73] ___sys_sendmsg+0xee/0x170 [ 156.841967][ T73] __sys_sendmsg+0xcd/0x170 [ 156.841967][ T73] do_syscall_64+0xc6/0x1e0 [ 156.841967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.841967][ T73] [ 156.843703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 156.843703][ T73] neigh_parms_alloc+0x1e5/0x510 [ 156.843703][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 156.843703][ T73] ipv6_find_idev+0x102/0x170 [ 156.843703][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.843703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.843703][ T73] netlink_rcv_skb+0x130/0x360 [ 156.843703][ T73] netlink_unicast+0x449/0x710 [ 156.843703][ T73] netlink_sendmsg+0x723/0xbe0 [ 156.843703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 156.843703][ T73] ___sys_sendmsg+0xee/0x170 [ 156.843703][ T73] __sys_sendmsg+0xcd/0x170 [ 156.843703][ T73] do_syscall_64+0xc6/0x1e0 [ 156.843703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.843703][ T73] [ 167.006897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 167.007392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.007392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 167.007392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 167.007392][ T73] fib6_nh_init+0xa22/0x1580 [ 167.007392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.007392][ T73] ip6_route_add+0x1c/0x140 [ 167.007392][ T73] inet6_rtm_newroute+0x104/0x110 [ 167.007392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.007392][ T73] netlink_rcv_skb+0x130/0x360 [ 167.007392][ T73] netlink_unicast+0x449/0x710 [ 167.007392][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.007392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.007392][ T73] ___sys_sendmsg+0xee/0x170 [ 167.007392][ T73] __sys_sendmsg+0xcd/0x170 [ 167.007392][ T73] do_syscall_64+0xc6/0x1e0 [ 167.007392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.007392][ T73] [ 167.009385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.009385][ T73] dst_init+0x84/0x4a0 [ 167.009385][ T73] dst_alloc+0x97/0x150 [ 167.009385][ T73] ip6_dst_alloc+0x23/0x90 [ 167.009385][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 167.009385][ T73] ip6_pol_route+0x56f/0x840 [ 167.009385][ T73] fib6_rule_lookup+0x456/0x630 [ 167.009385][ T73] ip6_route_input+0x59c/0xa50 [ 167.009385][ T73] ipv6_rcv+0x397/0x810 [ 167.009385][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 167.009385][ T73] process_backlog+0x101/0x620 [ 167.009385][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 167.009385][ T73] net_rx_action+0x495/0xbe0 [ 167.009385][ T73] __do_softirq+0x1b5/0x7f6 [ 167.009385][ T73] [ 167.011067][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.011067][ T73] netdev_get_by_index+0x5e/0x80 [ 167.011067][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.011067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.011067][ T73] ip6_route_add+0x1c/0x140 [ 167.011067][ T73] addrconf_prefix_route+0x2a6/0x430 [ 167.011067][ T73] inet6_addr_add+0x4f8/0xa40 [ 167.011067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.011067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.011067][ T73] netlink_rcv_skb+0x130/0x360 [ 167.011067][ T73] netlink_unicast+0x449/0x710 [ 167.011067][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.011067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.011067][ T73] ___sys_sendmsg+0xee/0x170 [ 167.011067][ T73] __sys_sendmsg+0xcd/0x170 [ 167.011067][ T73] do_syscall_64+0xc6/0x1e0 [ 167.011067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.011067][ T73] [ 167.013095][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.013095][ T73] netdev_get_by_index+0x5e/0x80 [ 167.013095][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.013095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.013095][ T73] addrconf_f6i_alloc+0x315/0x560 [ 167.013095][ T73] ipv6_add_addr+0x411/0x2000 [ 167.013095][ T73] inet6_addr_add+0x30e/0xa40 [ 167.013095][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.013095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.013095][ T73] netlink_rcv_skb+0x130/0x360 [ 167.013095][ T73] netlink_unicast+0x449/0x710 [ 167.013095][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.013095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.013095][ T73] ___sys_sendmsg+0xee/0x170 [ 167.013095][ T73] __sys_sendmsg+0xcd/0x170 [ 167.013095][ T73] do_syscall_64+0xc6/0x1e0 [ 167.013095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.013095][ T73] [ 167.015127][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.015127][ T73] netdev_get_by_index+0x5e/0x80 [ 167.015127][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.015127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.015127][ T73] ip6_route_add+0x1c/0x140 [ 167.015127][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 167.015127][ T73] addrconf_add_dev+0xe2/0x170 [ 167.015127][ T73] inet6_addr_add+0x12f/0xa40 [ 167.015127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.015127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.015127][ T73] netlink_rcv_skb+0x130/0x360 [ 167.015127][ T73] netlink_unicast+0x449/0x710 [ 167.015127][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.015127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.015127][ T73] ___sys_sendmsg+0xee/0x170 [ 167.015127][ T73] __sys_sendmsg+0xcd/0x170 [ 167.015127][ T73] do_syscall_64+0xc6/0x1e0 [ 167.015127][ T73] [ 167.017123][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.017123][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 167.017123][ T73] ipv6_find_idev+0x102/0x170 [ 167.017123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.017123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.017123][ T73] netlink_rcv_skb+0x130/0x360 [ 167.017123][ T73] netlink_unicast+0x449/0x710 [ 167.017123][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.017123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.017123][ T73] ___sys_sendmsg+0xee/0x170 [ 167.017123][ T73] __sys_sendmsg+0xcd/0x170 [ 167.017123][ T73] do_syscall_64+0xc6/0x1e0 [ 167.017123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.017123][ T73] [ 167.018684][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 167.018684][ T73] neigh_parms_alloc+0x1e5/0x510 [ 167.018684][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 167.018684][ T73] ipv6_find_idev+0x102/0x170 [ 167.018684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.018684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.018684][ T73] netlink_rcv_skb+0x130/0x360 [ 167.018684][ T73] netlink_unicast+0x449/0x710 [ 167.018684][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.018684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.018684][ T73] ___sys_sendmsg+0xee/0x170 [ 167.018684][ T73] __sys_sendmsg+0xcd/0x170 [ 167.018684][ T73] do_syscall_64+0xc6/0x1e0 [ 167.018684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.018684][ T73] [ 167.020410][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 167.020686][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.020686][ T73] dst_init+0x84/0x4a0 [ 167.020686][ T73] dst_alloc+0x97/0x150 [ 167.020686][ T73] ip6_dst_alloc+0x23/0x90 [ 167.020686][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 167.020686][ T73] ip6_pol_route+0x56f/0x840 [ 167.020686][ T73] fib6_rule_lookup+0x456/0x630 [ 167.020686][ T73] ip6_route_input+0x59c/0xa50 [ 167.020686][ T73] ipv6_rcv+0x397/0x810 [ 167.020686][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 167.020686][ T73] process_backlog+0x101/0x620 [ 167.020686][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 167.020686][ T73] net_rx_action+0x495/0xbe0 [ 167.020686][ T73] __do_softirq+0x1b5/0x7f6 [ 167.020686][ T73] [ 167.022352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.022352][ T73] netdev_get_by_index+0x5e/0x80 [ 167.022352][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.022352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.022352][ T73] addrconf_f6i_alloc+0x265/0x560 [ 167.022352][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 167.022352][ T73] addrconf_join_anycast+0x1c0/0x220 [ 167.022352][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 167.022352][ T73] addrconf_dad_completed+0x12b/0xe20 [ 167.022352][ T73] addrconf_dad_begin+0x310/0x670 [ 167.022352][ T73] addrconf_dad_work+0x10b/0xab0 [ 167.022352][ T73] process_one_work+0x84d/0x18a0 [ 167.022352][ T73] worker_thread+0x587/0xd30 [ 167.022352][ T73] kthread+0x28a/0x350 [ 167.022352][ T73] ret_from_fork+0x31/0x70 [ 167.022352][ T73] ret_from_fork_asm+0x1a/0x30 [ 167.022352][ T73] [ 167.024287][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.024287][ T73] netdev_get_by_index+0x5e/0x80 [ 167.024287][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.024287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.024287][ T73] ip6_route_add+0x1c/0x140 [ 167.024287][ T73] addrconf_prefix_route+0x2a6/0x430 [ 167.024287][ T73] inet6_addr_add+0x4f8/0xa40 [ 167.024287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.024287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.024287][ T73] netlink_rcv_skb+0x130/0x360 [ 167.024287][ T73] netlink_unicast+0x449/0x710 [ 167.024287][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.024287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.024287][ T73] ___sys_sendmsg+0xee/0x170 [ 167.024287][ T73] __sys_sendmsg+0xcd/0x170 [ 167.024287][ T73] do_syscall_64+0xc6/0x1e0 [ 167.024287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.024287][ T73] [ 167.026283][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.026283][ T73] netdev_get_by_index+0x5e/0x80 [ 167.026283][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.026283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.026283][ T73] addrconf_f6i_alloc+0x315/0x560 [ 167.026283][ T73] ipv6_add_addr+0x411/0x2000 [ 167.026283][ T73] inet6_addr_add+0x30e/0xa40 [ 167.026283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.026283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.026283][ T73] netlink_rcv_skb+0x130/0x360 [ 167.026283][ T73] netlink_unicast+0x449/0x710 [ 167.026283][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.026283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.026283][ T73] ___sys_sendmsg+0xee/0x170 [ 167.026283][ T73] __sys_sendmsg+0xcd/0x170 [ 167.026283][ T73] do_syscall_64+0xc6/0x1e0 [ 167.026283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.026283][ T73] [ 167.028274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.028274][ T73] netdev_get_by_index+0x5e/0x80 [ 167.028274][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.028274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.028274][ T73] ip6_route_add+0x1c/0x140 [ 167.028274][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 167.028274][ T73] addrconf_add_dev+0xe2/0x170 [ 167.028274][ T73] inet6_addr_add+0x12f/0xa40 [ 167.028274][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.028274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.028274][ T73] netlink_rcv_skb+0x130/0x360 [ 167.028274][ T73] netlink_unicast+0x449/0x710 [ 167.028274][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.028274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.028274][ T73] ___sys_sendmsg+0xee/0x170 [ 167.028274][ T73] __sys_sendmsg+0xcd/0x170 [ 167.028274][ T73] do_syscall_64+0xc6/0x1e0 [ 167.028274][ T73] [ 167.030234][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.030234][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 167.030234][ T73] ipv6_find_idev+0x102/0x170 [ 167.030234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.030234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.030234][ T73] netlink_rcv_skb+0x130/0x360 [ 167.030234][ T73] netlink_unicast+0x449/0x710 [ 167.030234][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.030234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.030234][ T73] ___sys_sendmsg+0xee/0x170 [ 167.030234][ T73] __sys_sendmsg+0xcd/0x170 [ 167.030234][ T73] do_syscall_64+0xc6/0x1e0 [ 167.030234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.030234][ T73] [ 167.031764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 167.031764][ T73] neigh_parms_alloc+0x1e5/0x510 [ 167.031764][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 167.031764][ T73] ipv6_find_idev+0x102/0x170 [ 167.031764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.031764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.031764][ T73] netlink_rcv_skb+0x130/0x360 [ 167.031764][ T73] netlink_unicast+0x449/0x710 [ 167.031764][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.031764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.031764][ T73] ___sys_sendmsg+0xee/0x170 [ 167.031764][ T73] __sys_sendmsg+0xcd/0x170 [ 167.031764][ T73] do_syscall_64+0xc6/0x1e0 [ 167.031764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.031764][ T73] [ 167.033571][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 167.033846][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.033846][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 167.033846][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 167.033846][ T73] fib6_nh_init+0xa22/0x1580 [ 167.033846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.033846][ T73] ip6_route_add+0x1c/0x140 [ 167.033846][ T73] inet6_rtm_newroute+0x104/0x110 [ 167.033846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.033846][ T73] netlink_rcv_skb+0x130/0x360 [ 167.033846][ T73] netlink_unicast+0x449/0x710 [ 167.033846][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.033846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.033846][ T73] ___sys_sendmsg+0xee/0x170 [ 167.033846][ T73] __sys_sendmsg+0xcd/0x170 [ 167.033846][ T73] do_syscall_64+0xc6/0x1e0 [ 167.033846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.033846][ T73] [ 167.035948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.035948][ T73] dst_init+0x84/0x4a0 [ 167.035948][ T73] dst_alloc+0x97/0x150 [ 167.035948][ T73] ip6_dst_alloc+0x23/0x90 [ 167.035948][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 167.035948][ T73] ip6_pol_route+0x56f/0x840 [ 167.035948][ T73] fib6_rule_lookup+0x456/0x630 [ 167.035948][ T73] ip6_route_input+0x59c/0xa50 [ 167.035948][ T73] ipv6_rcv+0x397/0x810 [ 167.035948][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 167.035948][ T73] process_backlog+0x101/0x620 [ 167.035948][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 167.035948][ T73] net_rx_action+0x495/0xbe0 [ 167.035948][ T73] __do_softirq+0x1b5/0x7f6 [ 167.035948][ T73] [ 167.037813][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.037813][ T73] netdev_get_by_index+0x5e/0x80 [ 167.037813][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.037813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.037813][ T73] ip6_route_add+0x1c/0x140 [ 167.037813][ T73] addrconf_prefix_route+0x2a6/0x430 [ 167.037813][ T73] inet6_addr_add+0x4f8/0xa40 [ 167.037813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.037813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.037813][ T73] netlink_rcv_skb+0x130/0x360 [ 167.037813][ T73] netlink_unicast+0x449/0x710 [ 167.037813][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.037813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.037813][ T73] ___sys_sendmsg+0xee/0x170 [ 167.037813][ T73] __sys_sendmsg+0xcd/0x170 [ 167.037813][ T73] do_syscall_64+0xc6/0x1e0 [ 167.037813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.037813][ T73] [ 167.039991][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.039991][ T73] netdev_get_by_index+0x5e/0x80 [ 167.039991][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.039991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.039991][ T73] addrconf_f6i_alloc+0x315/0x560 [ 167.039991][ T73] ipv6_add_addr+0x411/0x2000 [ 167.039991][ T73] inet6_addr_add+0x30e/0xa40 [ 167.039991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.039991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.039991][ T73] netlink_rcv_skb+0x130/0x360 [ 167.039991][ T73] netlink_unicast+0x449/0x710 [ 167.039991][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.039991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.039991][ T73] ___sys_sendmsg+0xee/0x170 [ 167.039991][ T73] __sys_sendmsg+0xcd/0x170 [ 167.039991][ T73] do_syscall_64+0xc6/0x1e0 [ 167.039991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.039991][ T73] [ 167.042164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.042164][ T73] netdev_get_by_index+0x5e/0x80 [ 167.042164][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.042164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.042164][ T73] ip6_route_add+0x1c/0x140 [ 167.042164][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 167.042164][ T73] addrconf_add_dev+0xe2/0x170 [ 167.042164][ T73] inet6_addr_add+0x12f/0xa40 [ 167.042164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.042164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.042164][ T73] netlink_rcv_skb+0x130/0x360 [ 167.042164][ T73] netlink_unicast+0x449/0x710 [ 167.042164][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.042164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.042164][ T73] ___sys_sendmsg+0xee/0x170 [ 167.042164][ T73] __sys_sendmsg+0xcd/0x170 [ 167.042164][ T73] do_syscall_64+0xc6/0x1e0 [ 167.042164][ T73] [ 167.044427][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.044427][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 167.044427][ T73] ipv6_find_idev+0x102/0x170 [ 167.044427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.044427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.044427][ T73] netlink_rcv_skb+0x130/0x360 [ 167.044427][ T73] netlink_unicast+0x449/0x710 [ 167.044427][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.044427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.044427][ T73] ___sys_sendmsg+0xee/0x170 [ 167.044427][ T73] __sys_sendmsg+0xcd/0x170 [ 167.044427][ T73] do_syscall_64+0xc6/0x1e0 [ 167.044427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.044427][ T73] [ 167.046132][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 167.046132][ T73] neigh_parms_alloc+0x1e5/0x510 [ 167.046132][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 167.046132][ T73] ipv6_find_idev+0x102/0x170 [ 167.046132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.046132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.046132][ T73] netlink_rcv_skb+0x130/0x360 [ 167.046132][ T73] netlink_unicast+0x449/0x710 [ 167.046132][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.046132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.046132][ T73] ___sys_sendmsg+0xee/0x170 [ 167.046132][ T73] __sys_sendmsg+0xcd/0x170 [ 167.046132][ T73] do_syscall_64+0xc6/0x1e0 [ 167.046132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.046132][ T73] [ 167.047986][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 167.048318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 167.048318][ T73] netdev_get_by_index+0x5e/0x80 [ 167.048318][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.048318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.048318][ T73] addrconf_f6i_alloc+0x265/0x560 [ 167.048318][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 167.048318][ T73] addrconf_join_anycast+0x1c0/0x220 [ 167.048318][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 167.048318][ T73] addrconf_dad_completed+0x12b/0xe20 [ 167.048318][ T73] addrconf_dad_begin+0x310/0x670 [ 167.048318][ T73] addrconf_dad_work+0x10b/0xab0 [ 167.048318][ T73] process_one_work+0x84d/0x18a0 [ 167.048318][ T73] worker_thread+0x587/0xd30 [ 167.048318][ T73] kthread+0x28a/0x350 [ 167.048318][ T73] ret_from_fork+0x31/0x70 [ 167.048318][ T73] ret_from_fork_asm+0x1a/0x30 [ 167.048318][ T73] [ 167.050427][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 167.050427][ T73] netdev_get_by_index+0x5e/0x80 [ 167.050427][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.050427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.050427][ T73] ip6_route_add+0x1c/0x140 [ 167.050427][ T73] addrconf_prefix_route+0x2a6/0x430 [ 167.050427][ T73] inet6_addr_add+0x4f8/0xa40 [ 167.050427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.050427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.050427][ T73] netlink_rcv_skb+0x130/0x360 [ 167.050427][ T73] netlink_unicast+0x449/0x710 [ 167.050427][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.050427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.050427][ T73] ___sys_sendmsg+0xee/0x170 [ 167.050427][ T73] __sys_sendmsg+0xcd/0x170 [ 167.050427][ T73] do_syscall_64+0xc6/0x1e0 [ 167.050427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.050427][ T73] [ 167.052672][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 167.052672][ T73] netdev_get_by_index+0x5e/0x80 [ 167.052672][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.052672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.052672][ T73] addrconf_f6i_alloc+0x315/0x560 [ 167.052672][ T73] ipv6_add_addr+0x411/0x2000 [ 167.052672][ T73] inet6_addr_add+0x30e/0xa40 [ 167.052672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.052672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.052672][ T73] netlink_rcv_skb+0x130/0x360 [ 167.052672][ T73] netlink_unicast+0x449/0x710 [ 167.052672][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.052672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.052672][ T73] ___sys_sendmsg+0xee/0x170 [ 167.052672][ T73] __sys_sendmsg+0xcd/0x170 [ 167.052672][ T73] do_syscall_64+0xc6/0x1e0 [ 167.052672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.052672][ T73] [ 167.054961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 167.054961][ T73] netdev_get_by_index+0x5e/0x80 [ 167.054961][ T73] fib6_nh_init+0x3d8/0x1580 [ 167.054961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 167.054961][ T73] ip6_route_add+0x1c/0x140 [ 167.054961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 167.054961][ T73] addrconf_add_dev+0xe2/0x170 [ 167.054961][ T73] inet6_addr_add+0x12f/0xa40 [ 167.054961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 167.054961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.054961][ T73] netlink_rcv_skb+0x130/0x360 [ 167.054961][ T73] netlink_unicast+0x449/0x710 [ 167.054961][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.054961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.054961][ T73] ___sys_sendmsg+0xee/0x170 [ 167.054961][ T73] __sys_sendmsg+0xcd/0x170 [ 167.054961][ T73] do_syscall_64+0xc6/0x1e0 [ 167.054961][ T73] [ 167.057158][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 167.057158][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 167.057158][ T73] ipv6_find_idev+0x102/0x170 [ 167.057158][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.057158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.057158][ T73] netlink_rcv_skb+0x130/0x360 [ 167.057158][ T73] netlink_unicast+0x449/0x710 [ 167.057158][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.057158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.057158][ T73] ___sys_sendmsg+0xee/0x170 [ 167.057158][ T73] __sys_sendmsg+0xcd/0x170 [ 167.057158][ T73] do_syscall_64+0xc6/0x1e0 [ 167.057158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.057158][ T73] [ 167.058862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 167.058862][ T73] neigh_parms_alloc+0x1e5/0x510 [ 167.058862][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 167.058862][ T73] ipv6_find_idev+0x102/0x170 [ 167.058862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 167.058862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 167.058862][ T73] netlink_rcv_skb+0x130/0x360 [ 167.058862][ T73] netlink_unicast+0x449/0x710 [ 167.058862][ T73] netlink_sendmsg+0x723/0xbe0 [ 167.058862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 167.058862][ T73] ___sys_sendmsg+0xee/0x170 [ 167.058862][ T73] __sys_sendmsg+0xcd/0x170 [ 167.058862][ T73] do_syscall_64+0xc6/0x1e0 [ 167.058862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 167.058862][ T73] [ 177.310913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 177.311408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.311408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 177.311408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 177.311408][ T73] fib6_nh_init+0xa22/0x1580 [ 177.311408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.311408][ T73] ip6_route_add+0x1c/0x140 [ 177.311408][ T73] inet6_rtm_newroute+0x104/0x110 [ 177.311408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.311408][ T73] netlink_rcv_skb+0x130/0x360 [ 177.311408][ T73] netlink_unicast+0x449/0x710 [ 177.311408][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.311408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.311408][ T73] ___sys_sendmsg+0xee/0x170 [ 177.311408][ T73] __sys_sendmsg+0xcd/0x170 [ 177.311408][ T73] do_syscall_64+0xc6/0x1e0 [ 177.311408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.311408][ T73] [ 177.313314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.313314][ T73] dst_init+0x84/0x4a0 [ 177.313314][ T73] dst_alloc+0x97/0x150 [ 177.313314][ T73] ip6_dst_alloc+0x23/0x90 [ 177.313314][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 177.313314][ T73] ip6_pol_route+0x56f/0x840 [ 177.313314][ T73] fib6_rule_lookup+0x456/0x630 [ 177.313314][ T73] ip6_route_input+0x59c/0xa50 [ 177.313314][ T73] ipv6_rcv+0x397/0x810 [ 177.313314][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 177.313314][ T73] process_backlog+0x101/0x620 [ 177.313314][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 177.313314][ T73] net_rx_action+0x495/0xbe0 [ 177.313314][ T73] __do_softirq+0x1b5/0x7f6 [ 177.313314][ T73] [ 177.314961][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.314961][ T73] netdev_get_by_index+0x5e/0x80 [ 177.314961][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.314961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.314961][ T73] ip6_route_add+0x1c/0x140 [ 177.314961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 177.314961][ T73] inet6_addr_add+0x4f8/0xa40 [ 177.314961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.314961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.314961][ T73] netlink_rcv_skb+0x130/0x360 [ 177.314961][ T73] netlink_unicast+0x449/0x710 [ 177.314961][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.314961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.314961][ T73] ___sys_sendmsg+0xee/0x170 [ 177.314961][ T73] __sys_sendmsg+0xcd/0x170 [ 177.314961][ T73] do_syscall_64+0xc6/0x1e0 [ 177.314961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.314961][ T73] [ 177.316957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.316957][ T73] netdev_get_by_index+0x5e/0x80 [ 177.316957][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.316957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.316957][ T73] addrconf_f6i_alloc+0x315/0x560 [ 177.316957][ T73] ipv6_add_addr+0x411/0x2000 [ 177.316957][ T73] inet6_addr_add+0x30e/0xa40 [ 177.316957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.316957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.316957][ T73] netlink_rcv_skb+0x130/0x360 [ 177.316957][ T73] netlink_unicast+0x449/0x710 [ 177.316957][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.316957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.316957][ T73] ___sys_sendmsg+0xee/0x170 [ 177.316957][ T73] __sys_sendmsg+0xcd/0x170 [ 177.316957][ T73] do_syscall_64+0xc6/0x1e0 [ 177.316957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.316957][ T73] [ 177.318962][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.318962][ T73] netdev_get_by_index+0x5e/0x80 [ 177.318962][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.318962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.318962][ T73] ip6_route_add+0x1c/0x140 [ 177.318962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 177.318962][ T73] addrconf_add_dev+0xe2/0x170 [ 177.318962][ T73] inet6_addr_add+0x12f/0xa40 [ 177.318962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.318962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.318962][ T73] netlink_rcv_skb+0x130/0x360 [ 177.318962][ T73] netlink_unicast+0x449/0x710 [ 177.318962][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.318962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.318962][ T73] ___sys_sendmsg+0xee/0x170 [ 177.318962][ T73] __sys_sendmsg+0xcd/0x170 [ 177.318962][ T73] do_syscall_64+0xc6/0x1e0 [ 177.318962][ T73] [ 177.320975][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.320975][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 177.320975][ T73] ipv6_find_idev+0x102/0x170 [ 177.320975][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.320975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.320975][ T73] netlink_rcv_skb+0x130/0x360 [ 177.320975][ T73] netlink_unicast+0x449/0x710 [ 177.320975][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.320975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.320975][ T73] ___sys_sendmsg+0xee/0x170 [ 177.320975][ T73] __sys_sendmsg+0xcd/0x170 [ 177.320975][ T73] do_syscall_64+0xc6/0x1e0 [ 177.320975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.320975][ T73] [ 177.322519][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 177.322519][ T73] neigh_parms_alloc+0x1e5/0x510 [ 177.322519][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 177.322519][ T73] ipv6_find_idev+0x102/0x170 [ 177.322519][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.322519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.322519][ T73] netlink_rcv_skb+0x130/0x360 [ 177.322519][ T73] netlink_unicast+0x449/0x710 [ 177.322519][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.322519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.322519][ T73] ___sys_sendmsg+0xee/0x170 [ 177.322519][ T73] __sys_sendmsg+0xcd/0x170 [ 177.322519][ T73] do_syscall_64+0xc6/0x1e0 [ 177.322519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.322519][ T73] [ 177.324235][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 177.324510][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.324510][ T73] dst_init+0x84/0x4a0 [ 177.324510][ T73] dst_alloc+0x97/0x150 [ 177.324510][ T73] ip6_dst_alloc+0x23/0x90 [ 177.324510][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 177.324510][ T73] ip6_pol_route+0x56f/0x840 [ 177.324510][ T73] fib6_rule_lookup+0x456/0x630 [ 177.324510][ T73] ip6_route_input+0x59c/0xa50 [ 177.324510][ T73] ipv6_rcv+0x397/0x810 [ 177.324510][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 177.324510][ T73] process_backlog+0x101/0x620 [ 177.324510][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 177.324510][ T73] net_rx_action+0x495/0xbe0 [ 177.324510][ T73] __do_softirq+0x1b5/0x7f6 [ 177.324510][ T73] [ 177.326161][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.326161][ T73] netdev_get_by_index+0x5e/0x80 [ 177.326161][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.326161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.326161][ T73] addrconf_f6i_alloc+0x265/0x560 [ 177.326161][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 177.326161][ T73] addrconf_join_anycast+0x1c0/0x220 [ 177.326161][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 177.326161][ T73] addrconf_dad_completed+0x12b/0xe20 [ 177.326161][ T73] addrconf_dad_begin+0x310/0x670 [ 177.326161][ T73] addrconf_dad_work+0x10b/0xab0 [ 177.326161][ T73] process_one_work+0x84d/0x18a0 [ 177.326161][ T73] worker_thread+0x587/0xd30 [ 177.326161][ T73] kthread+0x28a/0x350 [ 177.326161][ T73] ret_from_fork+0x31/0x70 [ 177.326161][ T73] ret_from_fork_asm+0x1a/0x30 [ 177.326161][ T73] [ 177.328063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.328063][ T73] netdev_get_by_index+0x5e/0x80 [ 177.328063][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.328063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.328063][ T73] ip6_route_add+0x1c/0x140 [ 177.328063][ T73] addrconf_prefix_route+0x2a6/0x430 [ 177.328063][ T73] inet6_addr_add+0x4f8/0xa40 [ 177.328063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.328063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.328063][ T73] netlink_rcv_skb+0x130/0x360 [ 177.328063][ T73] netlink_unicast+0x449/0x710 [ 177.328063][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.328063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.328063][ T73] ___sys_sendmsg+0xee/0x170 [ 177.328063][ T73] __sys_sendmsg+0xcd/0x170 [ 177.328063][ T73] do_syscall_64+0xc6/0x1e0 [ 177.328063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.328063][ T73] [ 177.330102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.330102][ T73] netdev_get_by_index+0x5e/0x80 [ 177.330102][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.330102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.330102][ T73] addrconf_f6i_alloc+0x315/0x560 [ 177.330102][ T73] ipv6_add_addr+0x411/0x2000 [ 177.330102][ T73] inet6_addr_add+0x30e/0xa40 [ 177.330102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.330102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.330102][ T73] netlink_rcv_skb+0x130/0x360 [ 177.330102][ T73] netlink_unicast+0x449/0x710 [ 177.330102][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.330102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.330102][ T73] ___sys_sendmsg+0xee/0x170 [ 177.330102][ T73] __sys_sendmsg+0xcd/0x170 [ 177.330102][ T73] do_syscall_64+0xc6/0x1e0 [ 177.330102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.330102][ T73] [ 177.332098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.332098][ T73] netdev_get_by_index+0x5e/0x80 [ 177.332098][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.332098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.332098][ T73] ip6_route_add+0x1c/0x140 [ 177.332098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 177.332098][ T73] addrconf_add_dev+0xe2/0x170 [ 177.332098][ T73] inet6_addr_add+0x12f/0xa40 [ 177.332098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.332098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.332098][ T73] netlink_rcv_skb+0x130/0x360 [ 177.332098][ T73] netlink_unicast+0x449/0x710 [ 177.332098][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.332098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.332098][ T73] ___sys_sendmsg+0xee/0x170 [ 177.332098][ T73] __sys_sendmsg+0xcd/0x170 [ 177.332098][ T73] do_syscall_64+0xc6/0x1e0 [ 177.332098][ T73] [ 177.334056][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.334056][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 177.334056][ T73] ipv6_find_idev+0x102/0x170 [ 177.334056][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.334056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.334056][ T73] netlink_rcv_skb+0x130/0x360 [ 177.334056][ T73] netlink_unicast+0x449/0x710 [ 177.334056][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.334056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.334056][ T73] ___sys_sendmsg+0xee/0x170 [ 177.334056][ T73] __sys_sendmsg+0xcd/0x170 [ 177.334056][ T73] do_syscall_64+0xc6/0x1e0 [ 177.334056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.334056][ T73] [ 177.335580][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 177.335580][ T73] neigh_parms_alloc+0x1e5/0x510 [ 177.335580][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 177.335580][ T73] ipv6_find_idev+0x102/0x170 [ 177.335580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.335580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.335580][ T73] netlink_rcv_skb+0x130/0x360 [ 177.335580][ T73] netlink_unicast+0x449/0x710 [ 177.335580][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.335580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.335580][ T73] ___sys_sendmsg+0xee/0x170 [ 177.335580][ T73] __sys_sendmsg+0xcd/0x170 [ 177.335580][ T73] do_syscall_64+0xc6/0x1e0 [ 177.335580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.335580][ T73] [ 177.337406][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 177.337684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.337684][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 177.337684][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 177.337684][ T73] fib6_nh_init+0xa22/0x1580 [ 177.337684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.337684][ T73] ip6_route_add+0x1c/0x140 [ 177.337684][ T73] inet6_rtm_newroute+0x104/0x110 [ 177.337684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.337684][ T73] netlink_rcv_skb+0x130/0x360 [ 177.337684][ T73] netlink_unicast+0x449/0x710 [ 177.337684][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.337684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.337684][ T73] ___sys_sendmsg+0xee/0x170 [ 177.337684][ T73] __sys_sendmsg+0xcd/0x170 [ 177.337684][ T73] do_syscall_64+0xc6/0x1e0 [ 177.337684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.337684][ T73] [ 177.339788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.339788][ T73] dst_init+0x84/0x4a0 [ 177.339788][ T73] dst_alloc+0x97/0x150 [ 177.339788][ T73] ip6_dst_alloc+0x23/0x90 [ 177.339788][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 177.339788][ T73] ip6_pol_route+0x56f/0x840 [ 177.339788][ T73] fib6_rule_lookup+0x456/0x630 [ 177.339788][ T73] ip6_route_input+0x59c/0xa50 [ 177.339788][ T73] ipv6_rcv+0x397/0x810 [ 177.339788][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 177.339788][ T73] process_backlog+0x101/0x620 [ 177.339788][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 177.339788][ T73] net_rx_action+0x495/0xbe0 [ 177.339788][ T73] __do_softirq+0x1b5/0x7f6 [ 177.339788][ T73] [ 177.341658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.341658][ T73] netdev_get_by_index+0x5e/0x80 [ 177.341658][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.341658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.341658][ T73] ip6_route_add+0x1c/0x140 [ 177.341658][ T73] addrconf_prefix_route+0x2a6/0x430 [ 177.341658][ T73] inet6_addr_add+0x4f8/0xa40 [ 177.341658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.341658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.341658][ T73] netlink_rcv_skb+0x130/0x360 [ 177.341658][ T73] netlink_unicast+0x449/0x710 [ 177.341658][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.341658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.341658][ T73] ___sys_sendmsg+0xee/0x170 [ 177.341658][ T73] __sys_sendmsg+0xcd/0x170 [ 177.341658][ T73] do_syscall_64+0xc6/0x1e0 [ 177.341658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.341658][ T73] [ 177.343821][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.343821][ T73] netdev_get_by_index+0x5e/0x80 [ 177.343821][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.343821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.343821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 177.343821][ T73] ipv6_add_addr+0x411/0x2000 [ 177.343821][ T73] inet6_addr_add+0x30e/0xa40 [ 177.343821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.343821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.343821][ T73] netlink_rcv_skb+0x130/0x360 [ 177.343821][ T73] netlink_unicast+0x449/0x710 [ 177.343821][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.343821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.343821][ T73] ___sys_sendmsg+0xee/0x170 [ 177.343821][ T73] __sys_sendmsg+0xcd/0x170 [ 177.343821][ T73] do_syscall_64+0xc6/0x1e0 [ 177.343821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.343821][ T73] [ 177.346053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.346053][ T73] netdev_get_by_index+0x5e/0x80 [ 177.346053][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.346053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.346053][ T73] ip6_route_add+0x1c/0x140 [ 177.346053][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 177.346053][ T73] addrconf_add_dev+0xe2/0x170 [ 177.346053][ T73] inet6_addr_add+0x12f/0xa40 [ 177.346053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.346053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.346053][ T73] netlink_rcv_skb+0x130/0x360 [ 177.346053][ T73] netlink_unicast+0x449/0x710 [ 177.346053][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.346053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.346053][ T73] ___sys_sendmsg+0xee/0x170 [ 177.346053][ T73] __sys_sendmsg+0xcd/0x170 [ 177.346053][ T73] do_syscall_64+0xc6/0x1e0 [ 177.346053][ T73] [ 177.348309][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.348309][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 177.348309][ T73] ipv6_find_idev+0x102/0x170 [ 177.348309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.348309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.348309][ T73] netlink_rcv_skb+0x130/0x360 [ 177.348309][ T73] netlink_unicast+0x449/0x710 [ 177.348309][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.348309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.348309][ T73] ___sys_sendmsg+0xee/0x170 [ 177.348309][ T73] __sys_sendmsg+0xcd/0x170 [ 177.348309][ T73] do_syscall_64+0xc6/0x1e0 [ 177.348309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.348309][ T73] [ 177.350042][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 177.350042][ T73] neigh_parms_alloc+0x1e5/0x510 [ 177.350042][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 177.350042][ T73] ipv6_find_idev+0x102/0x170 [ 177.350042][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.350042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.350042][ T73] netlink_rcv_skb+0x130/0x360 [ 177.350042][ T73] netlink_unicast+0x449/0x710 [ 177.350042][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.350042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.350042][ T73] ___sys_sendmsg+0xee/0x170 [ 177.350042][ T73] __sys_sendmsg+0xcd/0x170 [ 177.350042][ T73] do_syscall_64+0xc6/0x1e0 [ 177.350042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.350042][ T73] [ 177.351909][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 177.352241][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 177.352241][ T73] netdev_get_by_index+0x5e/0x80 [ 177.352241][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.352241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.352241][ T73] addrconf_f6i_alloc+0x265/0x560 [ 177.352241][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 177.352241][ T73] addrconf_join_anycast+0x1c0/0x220 [ 177.352241][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 177.352241][ T73] addrconf_dad_completed+0x12b/0xe20 [ 177.352241][ T73] addrconf_dad_begin+0x310/0x670 [ 177.352241][ T73] addrconf_dad_work+0x10b/0xab0 [ 177.352241][ T73] process_one_work+0x84d/0x18a0 [ 177.352241][ T73] worker_thread+0x587/0xd30 [ 177.352241][ T73] kthread+0x28a/0x350 [ 177.352241][ T73] ret_from_fork+0x31/0x70 [ 177.352241][ T73] ret_from_fork_asm+0x1a/0x30 [ 177.352241][ T73] [ 177.354323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 177.354323][ T73] netdev_get_by_index+0x5e/0x80 [ 177.354323][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.354323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.354323][ T73] ip6_route_add+0x1c/0x140 [ 177.354323][ T73] addrconf_prefix_route+0x2a6/0x430 [ 177.354323][ T73] inet6_addr_add+0x4f8/0xa40 [ 177.354323][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.354323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.354323][ T73] netlink_rcv_skb+0x130/0x360 [ 177.354323][ T73] netlink_unicast+0x449/0x710 [ 177.354323][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.354323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.354323][ T73] ___sys_sendmsg+0xee/0x170 [ 177.354323][ T73] __sys_sendmsg+0xcd/0x170 [ 177.354323][ T73] do_syscall_64+0xc6/0x1e0 [ 177.354323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.354323][ T73] [ 177.356558][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 177.356558][ T73] netdev_get_by_index+0x5e/0x80 [ 177.356558][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.356558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.356558][ T73] addrconf_f6i_alloc+0x315/0x560 [ 177.356558][ T73] ipv6_add_addr+0x411/0x2000 [ 177.356558][ T73] inet6_addr_add+0x30e/0xa40 [ 177.356558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.356558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.356558][ T73] netlink_rcv_skb+0x130/0x360 [ 177.356558][ T73] netlink_unicast+0x449/0x710 [ 177.356558][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.356558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.356558][ T73] ___sys_sendmsg+0xee/0x170 [ 177.356558][ T73] __sys_sendmsg+0xcd/0x170 [ 177.356558][ T73] do_syscall_64+0xc6/0x1e0 [ 177.356558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.356558][ T73] [ 177.358925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 177.358925][ T73] netdev_get_by_index+0x5e/0x80 [ 177.358925][ T73] fib6_nh_init+0x3d8/0x1580 [ 177.358925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 177.358925][ T73] ip6_route_add+0x1c/0x140 [ 177.358925][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 177.358925][ T73] addrconf_add_dev+0xe2/0x170 [ 177.358925][ T73] inet6_addr_add+0x12f/0xa40 [ 177.358925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 177.358925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.358925][ T73] netlink_rcv_skb+0x130/0x360 [ 177.358925][ T73] netlink_unicast+0x449/0x710 [ 177.358925][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.358925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.358925][ T73] ___sys_sendmsg+0xee/0x170 [ 177.358925][ T73] __sys_sendmsg+0xcd/0x170 [ 177.358925][ T73] do_syscall_64+0xc6/0x1e0 [ 177.358925][ T73] [ 177.361188][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 177.361188][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 177.361188][ T73] ipv6_find_idev+0x102/0x170 [ 177.361188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.361188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.361188][ T73] netlink_rcv_skb+0x130/0x360 [ 177.361188][ T73] netlink_unicast+0x449/0x710 [ 177.361188][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.361188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.361188][ T73] ___sys_sendmsg+0xee/0x170 [ 177.361188][ T73] __sys_sendmsg+0xcd/0x170 [ 177.361188][ T73] do_syscall_64+0xc6/0x1e0 [ 177.361188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.361188][ T73] [ 177.362917][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 177.362917][ T73] neigh_parms_alloc+0x1e5/0x510 [ 177.362917][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 177.362917][ T73] ipv6_find_idev+0x102/0x170 [ 177.362917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 177.362917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 177.362917][ T73] netlink_rcv_skb+0x130/0x360 [ 177.362917][ T73] netlink_unicast+0x449/0x710 [ 177.362917][ T73] netlink_sendmsg+0x723/0xbe0 [ 177.362917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 177.362917][ T73] ___sys_sendmsg+0xee/0x170 [ 177.362917][ T73] __sys_sendmsg+0xcd/0x170 [ 177.362917][ T73] do_syscall_64+0xc6/0x1e0 [ 177.362917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 177.362917][ T73] [ 187.590915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 187.591412][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.591412][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 187.591412][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 187.591412][ T73] fib6_nh_init+0xa22/0x1580 [ 187.591412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.591412][ T73] ip6_route_add+0x1c/0x140 [ 187.591412][ T73] inet6_rtm_newroute+0x104/0x110 [ 187.591412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.591412][ T73] netlink_rcv_skb+0x130/0x360 [ 187.591412][ T73] netlink_unicast+0x449/0x710 [ 187.591412][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.591412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.591412][ T73] ___sys_sendmsg+0xee/0x170 [ 187.591412][ T73] __sys_sendmsg+0xcd/0x170 [ 187.591412][ T73] do_syscall_64+0xc6/0x1e0 [ 187.591412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.591412][ T73] [ 187.593378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.593378][ T73] dst_init+0x84/0x4a0 [ 187.593378][ T73] dst_alloc+0x97/0x150 [ 187.593378][ T73] ip6_dst_alloc+0x23/0x90 [ 187.593378][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 187.593378][ T73] ip6_pol_route+0x56f/0x840 [ 187.593378][ T73] fib6_rule_lookup+0x456/0x630 [ 187.593378][ T73] ip6_route_input+0x59c/0xa50 [ 187.593378][ T73] ipv6_rcv+0x397/0x810 [ 187.593378][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 187.593378][ T73] process_backlog+0x101/0x620 [ 187.593378][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 187.593378][ T73] net_rx_action+0x495/0xbe0 [ 187.593378][ T73] __do_softirq+0x1b5/0x7f6 [ 187.593378][ T73] [ 187.595017][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.595017][ T73] netdev_get_by_index+0x5e/0x80 [ 187.595017][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.595017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.595017][ T73] ip6_route_add+0x1c/0x140 [ 187.595017][ T73] addrconf_prefix_route+0x2a6/0x430 [ 187.595017][ T73] inet6_addr_add+0x4f8/0xa40 [ 187.595017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.595017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.595017][ T73] netlink_rcv_skb+0x130/0x360 [ 187.595017][ T73] netlink_unicast+0x449/0x710 [ 187.595017][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.595017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.595017][ T73] ___sys_sendmsg+0xee/0x170 [ 187.595017][ T73] __sys_sendmsg+0xcd/0x170 [ 187.595017][ T73] do_syscall_64+0xc6/0x1e0 [ 187.595017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.595017][ T73] [ 187.597020][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.597020][ T73] netdev_get_by_index+0x5e/0x80 [ 187.597020][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.597020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.597020][ T73] addrconf_f6i_alloc+0x315/0x560 [ 187.597020][ T73] ipv6_add_addr+0x411/0x2000 [ 187.597020][ T73] inet6_addr_add+0x30e/0xa40 [ 187.597020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.597020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.597020][ T73] netlink_rcv_skb+0x130/0x360 [ 187.597020][ T73] netlink_unicast+0x449/0x710 [ 187.597020][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.597020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.597020][ T73] ___sys_sendmsg+0xee/0x170 [ 187.597020][ T73] __sys_sendmsg+0xcd/0x170 [ 187.597020][ T73] do_syscall_64+0xc6/0x1e0 [ 187.597020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.597020][ T73] [ 187.599016][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.599016][ T73] netdev_get_by_index+0x5e/0x80 [ 187.599016][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.599016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.599016][ T73] ip6_route_add+0x1c/0x140 [ 187.599016][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 187.599016][ T73] addrconf_add_dev+0xe2/0x170 [ 187.599016][ T73] inet6_addr_add+0x12f/0xa40 [ 187.599016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.599016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.599016][ T73] netlink_rcv_skb+0x130/0x360 [ 187.599016][ T73] netlink_unicast+0x449/0x710 [ 187.599016][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.599016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.599016][ T73] ___sys_sendmsg+0xee/0x170 [ 187.599016][ T73] __sys_sendmsg+0xcd/0x170 [ 187.599016][ T73] do_syscall_64+0xc6/0x1e0 [ 187.599016][ T73] [ 187.600979][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.600979][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 187.600979][ T73] ipv6_find_idev+0x102/0x170 [ 187.600979][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.600979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.600979][ T73] netlink_rcv_skb+0x130/0x360 [ 187.600979][ T73] netlink_unicast+0x449/0x710 [ 187.600979][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.600979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.600979][ T73] ___sys_sendmsg+0xee/0x170 [ 187.600979][ T73] __sys_sendmsg+0xcd/0x170 [ 187.600979][ T73] do_syscall_64+0xc6/0x1e0 [ 187.600979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.600979][ T73] [ 187.602521][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 187.602521][ T73] neigh_parms_alloc+0x1e5/0x510 [ 187.602521][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 187.602521][ T73] ipv6_find_idev+0x102/0x170 [ 187.602521][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.602521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.602521][ T73] netlink_rcv_skb+0x130/0x360 [ 187.602521][ T73] netlink_unicast+0x449/0x710 [ 187.602521][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.602521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.602521][ T73] ___sys_sendmsg+0xee/0x170 [ 187.602521][ T73] __sys_sendmsg+0xcd/0x170 [ 187.602521][ T73] do_syscall_64+0xc6/0x1e0 [ 187.602521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.602521][ T73] [ 187.604217][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 187.604493][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.604493][ T73] dst_init+0x84/0x4a0 [ 187.604493][ T73] dst_alloc+0x97/0x150 [ 187.604493][ T73] ip6_dst_alloc+0x23/0x90 [ 187.604493][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 187.604493][ T73] ip6_pol_route+0x56f/0x840 [ 187.604493][ T73] fib6_rule_lookup+0x456/0x630 [ 187.604493][ T73] ip6_route_input+0x59c/0xa50 [ 187.604493][ T73] ipv6_rcv+0x397/0x810 [ 187.604493][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 187.604493][ T73] process_backlog+0x101/0x620 [ 187.604493][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 187.604493][ T73] net_rx_action+0x495/0xbe0 [ 187.604493][ T73] __do_softirq+0x1b5/0x7f6 [ 187.604493][ T73] [ 187.606127][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.606127][ T73] netdev_get_by_index+0x5e/0x80 [ 187.606127][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.606127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.606127][ T73] addrconf_f6i_alloc+0x265/0x560 [ 187.606127][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 187.606127][ T73] addrconf_join_anycast+0x1c0/0x220 [ 187.606127][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 187.606127][ T73] addrconf_dad_completed+0x12b/0xe20 [ 187.606127][ T73] addrconf_dad_begin+0x310/0x670 [ 187.606127][ T73] addrconf_dad_work+0x10b/0xab0 [ 187.606127][ T73] process_one_work+0x84d/0x18a0 [ 187.606127][ T73] worker_thread+0x587/0xd30 [ 187.606127][ T73] kthread+0x28a/0x350 [ 187.606127][ T73] ret_from_fork+0x31/0x70 [ 187.606127][ T73] ret_from_fork_asm+0x1a/0x30 [ 187.606127][ T73] [ 187.608025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.608025][ T73] netdev_get_by_index+0x5e/0x80 [ 187.608025][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.608025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.608025][ T73] ip6_route_add+0x1c/0x140 [ 187.608025][ T73] addrconf_prefix_route+0x2a6/0x430 [ 187.608025][ T73] inet6_addr_add+0x4f8/0xa40 [ 187.608025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.608025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.608025][ T73] netlink_rcv_skb+0x130/0x360 [ 187.608025][ T73] netlink_unicast+0x449/0x710 [ 187.608025][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.608025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.608025][ T73] ___sys_sendmsg+0xee/0x170 [ 187.608025][ T73] __sys_sendmsg+0xcd/0x170 [ 187.608025][ T73] do_syscall_64+0xc6/0x1e0 [ 187.608025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.608025][ T73] [ 187.610019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.610019][ T73] netdev_get_by_index+0x5e/0x80 [ 187.610019][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.610019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.610019][ T73] addrconf_f6i_alloc+0x315/0x560 [ 187.610019][ T73] ipv6_add_addr+0x411/0x2000 [ 187.610019][ T73] inet6_addr_add+0x30e/0xa40 [ 187.610019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.610019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.610019][ T73] netlink_rcv_skb+0x130/0x360 [ 187.610019][ T73] netlink_unicast+0x449/0x710 [ 187.610019][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.610019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.610019][ T73] ___sys_sendmsg+0xee/0x170 [ 187.610019][ T73] __sys_sendmsg+0xcd/0x170 [ 187.610019][ T73] do_syscall_64+0xc6/0x1e0 [ 187.610019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.610019][ T73] [ 187.612000][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.612000][ T73] netdev_get_by_index+0x5e/0x80 [ 187.612000][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.612000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.612000][ T73] ip6_route_add+0x1c/0x140 [ 187.612000][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 187.612000][ T73] addrconf_add_dev+0xe2/0x170 [ 187.612000][ T73] inet6_addr_add+0x12f/0xa40 [ 187.612000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.612000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.612000][ T73] netlink_rcv_skb+0x130/0x360 [ 187.612000][ T73] netlink_unicast+0x449/0x710 [ 187.612000][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.612000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.612000][ T73] ___sys_sendmsg+0xee/0x170 [ 187.612000][ T73] __sys_sendmsg+0xcd/0x170 [ 187.612000][ T73] do_syscall_64+0xc6/0x1e0 [ 187.612000][ T73] [ 187.613955][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.613955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 187.613955][ T73] ipv6_find_idev+0x102/0x170 [ 187.613955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.613955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.613955][ T73] netlink_rcv_skb+0x130/0x360 [ 187.613955][ T73] netlink_unicast+0x449/0x710 [ 187.613955][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.613955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.613955][ T73] ___sys_sendmsg+0xee/0x170 [ 187.613955][ T73] __sys_sendmsg+0xcd/0x170 [ 187.613955][ T73] do_syscall_64+0xc6/0x1e0 [ 187.613955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.613955][ T73] [ 187.615497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 187.615497][ T73] neigh_parms_alloc+0x1e5/0x510 [ 187.615497][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 187.615497][ T73] ipv6_find_idev+0x102/0x170 [ 187.615497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.615497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.615497][ T73] netlink_rcv_skb+0x130/0x360 [ 187.615497][ T73] netlink_unicast+0x449/0x710 [ 187.615497][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.615497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.615497][ T73] ___sys_sendmsg+0xee/0x170 [ 187.615497][ T73] __sys_sendmsg+0xcd/0x170 [ 187.615497][ T73] do_syscall_64+0xc6/0x1e0 [ 187.615497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.615497][ T73] [ 187.617236][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 187.617638][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.617638][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 187.617638][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 187.617638][ T73] fib6_nh_init+0xa22/0x1580 [ 187.617638][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.617638][ T73] ip6_route_add+0x1c/0x140 [ 187.617638][ T73] inet6_rtm_newroute+0x104/0x110 [ 187.617638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.617638][ T73] netlink_rcv_skb+0x130/0x360 [ 187.617638][ T73] netlink_unicast+0x449/0x710 [ 187.617638][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.617638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.617638][ T73] ___sys_sendmsg+0xee/0x170 [ 187.617638][ T73] __sys_sendmsg+0xcd/0x170 [ 187.617638][ T73] do_syscall_64+0xc6/0x1e0 [ 187.617638][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.617638][ T73] [ 187.619697][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.619697][ T73] dst_init+0x84/0x4a0 [ 187.619697][ T73] dst_alloc+0x97/0x150 [ 187.619697][ T73] ip6_dst_alloc+0x23/0x90 [ 187.619697][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 187.619697][ T73] ip6_pol_route+0x56f/0x840 [ 187.619697][ T73] fib6_rule_lookup+0x456/0x630 [ 187.619697][ T73] ip6_route_input+0x59c/0xa50 [ 187.619697][ T73] ipv6_rcv+0x397/0x810 [ 187.619697][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 187.619697][ T73] process_backlog+0x101/0x620 [ 187.619697][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 187.619697][ T73] net_rx_action+0x495/0xbe0 [ 187.619697][ T73] __do_softirq+0x1b5/0x7f6 [ 187.619697][ T73] [ 187.621506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.621506][ T73] netdev_get_by_index+0x5e/0x80 [ 187.621506][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.621506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.621506][ T73] ip6_route_add+0x1c/0x140 [ 187.621506][ T73] addrconf_prefix_route+0x2a6/0x430 [ 187.621506][ T73] inet6_addr_add+0x4f8/0xa40 [ 187.621506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.621506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.621506][ T73] netlink_rcv_skb+0x130/0x360 [ 187.621506][ T73] netlink_unicast+0x449/0x710 [ 187.621506][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.621506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.621506][ T73] ___sys_sendmsg+0xee/0x170 [ 187.621506][ T73] __sys_sendmsg+0xcd/0x170 [ 187.621506][ T73] do_syscall_64+0xc6/0x1e0 [ 187.621506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.621506][ T73] [ 187.623737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.623737][ T73] netdev_get_by_index+0x5e/0x80 [ 187.623737][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.623737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.623737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 187.623737][ T73] ipv6_add_addr+0x411/0x2000 [ 187.623737][ T73] inet6_addr_add+0x30e/0xa40 [ 187.623737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.623737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.623737][ T73] netlink_rcv_skb+0x130/0x360 [ 187.623737][ T73] netlink_unicast+0x449/0x710 [ 187.623737][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.623737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.623737][ T73] ___sys_sendmsg+0xee/0x170 [ 187.623737][ T73] __sys_sendmsg+0xcd/0x170 [ 187.623737][ T73] do_syscall_64+0xc6/0x1e0 [ 187.623737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.623737][ T73] [ 187.625965][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.625965][ T73] netdev_get_by_index+0x5e/0x80 [ 187.625965][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.625965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.625965][ T73] ip6_route_add+0x1c/0x140 [ 187.625965][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 187.625965][ T73] addrconf_add_dev+0xe2/0x170 [ 187.625965][ T73] inet6_addr_add+0x12f/0xa40 [ 187.625965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.625965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.625965][ T73] netlink_rcv_skb+0x130/0x360 [ 187.625965][ T73] netlink_unicast+0x449/0x710 [ 187.625965][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.625965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.625965][ T73] ___sys_sendmsg+0xee/0x170 [ 187.625965][ T73] __sys_sendmsg+0xcd/0x170 [ 187.625965][ T73] do_syscall_64+0xc6/0x1e0 [ 187.625965][ T73] [ 187.628214][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.628214][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 187.628214][ T73] ipv6_find_idev+0x102/0x170 [ 187.628214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.628214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.628214][ T73] netlink_rcv_skb+0x130/0x360 [ 187.628214][ T73] netlink_unicast+0x449/0x710 [ 187.628214][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.628214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.628214][ T73] ___sys_sendmsg+0xee/0x170 [ 187.628214][ T73] __sys_sendmsg+0xcd/0x170 [ 187.628214][ T73] do_syscall_64+0xc6/0x1e0 [ 187.628214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.628214][ T73] [ 187.629935][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 187.629935][ T73] neigh_parms_alloc+0x1e5/0x510 [ 187.629935][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 187.629935][ T73] ipv6_find_idev+0x102/0x170 [ 187.629935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.629935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.629935][ T73] netlink_rcv_skb+0x130/0x360 [ 187.629935][ T73] netlink_unicast+0x449/0x710 [ 187.629935][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.629935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.629935][ T73] ___sys_sendmsg+0xee/0x170 [ 187.629935][ T73] __sys_sendmsg+0xcd/0x170 [ 187.629935][ T73] do_syscall_64+0xc6/0x1e0 [ 187.629935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.629935][ T73] [ 187.631806][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 187.632077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 187.632077][ T73] netdev_get_by_index+0x5e/0x80 [ 187.632077][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.632077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.632077][ T73] addrconf_f6i_alloc+0x265/0x560 [ 187.632077][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 187.632077][ T73] addrconf_join_anycast+0x1c0/0x220 [ 187.632077][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 187.632077][ T73] addrconf_dad_completed+0x12b/0xe20 [ 187.632077][ T73] addrconf_dad_begin+0x310/0x670 [ 187.632077][ T73] addrconf_dad_work+0x10b/0xab0 [ 187.632077][ T73] process_one_work+0x84d/0x18a0 [ 187.632077][ T73] worker_thread+0x587/0xd30 [ 187.632077][ T73] kthread+0x28a/0x350 [ 187.632077][ T73] ret_from_fork+0x31/0x70 [ 187.632077][ T73] ret_from_fork_asm+0x1a/0x30 [ 187.632077][ T73] [ 187.634213][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 187.634213][ T73] netdev_get_by_index+0x5e/0x80 [ 187.634213][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.634213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.634213][ T73] ip6_route_add+0x1c/0x140 [ 187.634213][ T73] addrconf_prefix_route+0x2a6/0x430 [ 187.634213][ T73] inet6_addr_add+0x4f8/0xa40 [ 187.634213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.634213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.634213][ T73] netlink_rcv_skb+0x130/0x360 [ 187.634213][ T73] netlink_unicast+0x449/0x710 [ 187.634213][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.634213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.634213][ T73] ___sys_sendmsg+0xee/0x170 [ 187.634213][ T73] __sys_sendmsg+0xcd/0x170 [ 187.634213][ T73] do_syscall_64+0xc6/0x1e0 [ 187.634213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.634213][ T73] [ 187.636442][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 187.636442][ T73] netdev_get_by_index+0x5e/0x80 [ 187.636442][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.636442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.636442][ T73] addrconf_f6i_alloc+0x315/0x560 [ 187.636442][ T73] ipv6_add_addr+0x411/0x2000 [ 187.636442][ T73] inet6_addr_add+0x30e/0xa40 [ 187.636442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.636442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.636442][ T73] netlink_rcv_skb+0x130/0x360 [ 187.636442][ T73] netlink_unicast+0x449/0x710 [ 187.636442][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.636442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.636442][ T73] ___sys_sendmsg+0xee/0x170 [ 187.636442][ T73] __sys_sendmsg+0xcd/0x170 [ 187.636442][ T73] do_syscall_64+0xc6/0x1e0 [ 187.636442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.636442][ T73] [ 187.639068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 187.639068][ T73] netdev_get_by_index+0x5e/0x80 [ 187.639068][ T73] fib6_nh_init+0x3d8/0x1580 [ 187.639068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 187.639068][ T73] ip6_route_add+0x1c/0x140 [ 187.639068][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 187.639068][ T73] addrconf_add_dev+0xe2/0x170 [ 187.639068][ T73] inet6_addr_add+0x12f/0xa40 [ 187.639068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 187.639068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.639068][ T73] netlink_rcv_skb+0x130/0x360 [ 187.639068][ T73] netlink_unicast+0x449/0x710 [ 187.639068][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.639068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.639068][ T73] ___sys_sendmsg+0xee/0x170 [ 187.639068][ T73] __sys_sendmsg+0xcd/0x170 [ 187.639068][ T73] do_syscall_64+0xc6/0x1e0 [ 187.639068][ T73] [ 187.641261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 187.641261][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 187.641261][ T73] ipv6_find_idev+0x102/0x170 [ 187.641261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.641261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.641261][ T73] netlink_rcv_skb+0x130/0x360 [ 187.641261][ T73] netlink_unicast+0x449/0x710 [ 187.641261][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.641261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.641261][ T73] ___sys_sendmsg+0xee/0x170 [ 187.641261][ T73] __sys_sendmsg+0xcd/0x170 [ 187.641261][ T73] do_syscall_64+0xc6/0x1e0 [ 187.641261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.641261][ T73] [ 187.642915][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 187.642915][ T73] neigh_parms_alloc+0x1e5/0x510 [ 187.642915][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 187.642915][ T73] ipv6_find_idev+0x102/0x170 [ 187.642915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.642915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.642915][ T73] netlink_rcv_skb+0x130/0x360 [ 187.642915][ T73] netlink_unicast+0x449/0x710 [ 187.642915][ T73] netlink_sendmsg+0x723/0xbe0 [ 187.642915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 187.642915][ T73] ___sys_sendmsg+0xee/0x170 [ 187.642915][ T73] __sys_sendmsg+0xcd/0x170 [ 187.642915][ T73] do_syscall_64+0xc6/0x1e0 [ 187.642915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.642915][ T73] [ 197.686913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 197.687526][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.687526][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 197.687526][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 197.687526][ T73] fib6_nh_init+0xa22/0x1580 [ 197.687526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.687526][ T73] ip6_route_add+0x1c/0x140 [ 197.687526][ T73] inet6_rtm_newroute+0x104/0x110 [ 197.687526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.687526][ T73] netlink_rcv_skb+0x130/0x360 [ 197.687526][ T73] netlink_unicast+0x449/0x710 [ 197.687526][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.687526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.687526][ T73] ___sys_sendmsg+0xee/0x170 [ 197.687526][ T73] __sys_sendmsg+0xcd/0x170 [ 197.687526][ T73] do_syscall_64+0xc6/0x1e0 [ 197.687526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.687526][ T73] [ 197.689498][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.689498][ T73] dst_init+0x84/0x4a0 [ 197.689498][ T73] dst_alloc+0x97/0x150 [ 197.689498][ T73] ip6_dst_alloc+0x23/0x90 [ 197.689498][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 197.689498][ T73] ip6_pol_route+0x56f/0x840 [ 197.689498][ T73] fib6_rule_lookup+0x456/0x630 [ 197.689498][ T73] ip6_route_input+0x59c/0xa50 [ 197.689498][ T73] ipv6_rcv+0x397/0x810 [ 197.689498][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 197.689498][ T73] process_backlog+0x101/0x620 [ 197.689498][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 197.689498][ T73] net_rx_action+0x495/0xbe0 [ 197.689498][ T73] __do_softirq+0x1b5/0x7f6 [ 197.689498][ T73] [ 197.691191][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.691191][ T73] netdev_get_by_index+0x5e/0x80 [ 197.691191][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.691191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.691191][ T73] ip6_route_add+0x1c/0x140 [ 197.691191][ T73] addrconf_prefix_route+0x2a6/0x430 [ 197.691191][ T73] inet6_addr_add+0x4f8/0xa40 [ 197.691191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.691191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.691191][ T73] netlink_rcv_skb+0x130/0x360 [ 197.691191][ T73] netlink_unicast+0x449/0x710 [ 197.691191][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.691191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.691191][ T73] ___sys_sendmsg+0xee/0x170 [ 197.691191][ T73] __sys_sendmsg+0xcd/0x170 [ 197.691191][ T73] do_syscall_64+0xc6/0x1e0 [ 197.691191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.691191][ T73] [ 197.693237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.693237][ T73] netdev_get_by_index+0x5e/0x80 [ 197.693237][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.693237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.693237][ T73] addrconf_f6i_alloc+0x315/0x560 [ 197.693237][ T73] ipv6_add_addr+0x411/0x2000 [ 197.693237][ T73] inet6_addr_add+0x30e/0xa40 [ 197.693237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.693237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.693237][ T73] netlink_rcv_skb+0x130/0x360 [ 197.693237][ T73] netlink_unicast+0x449/0x710 [ 197.693237][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.693237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.693237][ T73] ___sys_sendmsg+0xee/0x170 [ 197.693237][ T73] __sys_sendmsg+0xcd/0x170 [ 197.693237][ T73] do_syscall_64+0xc6/0x1e0 [ 197.693237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.693237][ T73] [ 197.695283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.695283][ T73] netdev_get_by_index+0x5e/0x80 [ 197.695283][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.695283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.695283][ T73] ip6_route_add+0x1c/0x140 [ 197.695283][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 197.695283][ T73] addrconf_add_dev+0xe2/0x170 [ 197.695283][ T73] inet6_addr_add+0x12f/0xa40 [ 197.695283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.695283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.695283][ T73] netlink_rcv_skb+0x130/0x360 [ 197.695283][ T73] netlink_unicast+0x449/0x710 [ 197.695283][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.695283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.695283][ T73] ___sys_sendmsg+0xee/0x170 [ 197.695283][ T73] __sys_sendmsg+0xcd/0x170 [ 197.695283][ T73] do_syscall_64+0xc6/0x1e0 [ 197.695283][ T73] [ 197.697377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.697377][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 197.697377][ T73] ipv6_find_idev+0x102/0x170 [ 197.697377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.697377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.697377][ T73] netlink_rcv_skb+0x130/0x360 [ 197.697377][ T73] netlink_unicast+0x449/0x710 [ 197.697377][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.697377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.697377][ T73] ___sys_sendmsg+0xee/0x170 [ 197.697377][ T73] __sys_sendmsg+0xcd/0x170 [ 197.697377][ T73] do_syscall_64+0xc6/0x1e0 [ 197.697377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.697377][ T73] [ 197.698941][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 197.698941][ T73] neigh_parms_alloc+0x1e5/0x510 [ 197.698941][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 197.698941][ T73] ipv6_find_idev+0x102/0x170 [ 197.698941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.698941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.698941][ T73] netlink_rcv_skb+0x130/0x360 [ 197.698941][ T73] netlink_unicast+0x449/0x710 [ 197.698941][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.698941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.698941][ T73] ___sys_sendmsg+0xee/0x170 [ 197.698941][ T73] __sys_sendmsg+0xcd/0x170 [ 197.698941][ T73] do_syscall_64+0xc6/0x1e0 [ 197.698941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.698941][ T73] [ 197.700734][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 197.701048][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.701048][ T73] dst_init+0x84/0x4a0 [ 197.701048][ T73] dst_alloc+0x97/0x150 [ 197.701048][ T73] ip6_dst_alloc+0x23/0x90 [ 197.701048][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 197.701048][ T73] ip6_pol_route+0x56f/0x840 [ 197.701048][ T73] fib6_rule_lookup+0x456/0x630 [ 197.701048][ T73] ip6_route_input+0x59c/0xa50 [ 197.701048][ T73] ipv6_rcv+0x397/0x810 [ 197.701048][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 197.701048][ T73] process_backlog+0x101/0x620 [ 197.701048][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 197.701048][ T73] net_rx_action+0x495/0xbe0 [ 197.701048][ T73] __do_softirq+0x1b5/0x7f6 [ 197.701048][ T73] [ 197.702711][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.702711][ T73] netdev_get_by_index+0x5e/0x80 [ 197.702711][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.702711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.702711][ T73] addrconf_f6i_alloc+0x265/0x560 [ 197.702711][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 197.702711][ T73] addrconf_join_anycast+0x1c0/0x220 [ 197.702711][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 197.702711][ T73] addrconf_dad_completed+0x12b/0xe20 [ 197.702711][ T73] addrconf_dad_begin+0x310/0x670 [ 197.702711][ T73] addrconf_dad_work+0x10b/0xab0 [ 197.702711][ T73] process_one_work+0x84d/0x18a0 [ 197.702711][ T73] worker_thread+0x587/0xd30 [ 197.702711][ T73] kthread+0x28a/0x350 [ 197.702711][ T73] ret_from_fork+0x31/0x70 [ 197.702711][ T73] ret_from_fork_asm+0x1a/0x30 [ 197.702711][ T73] [ 197.704672][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.704672][ T73] netdev_get_by_index+0x5e/0x80 [ 197.704672][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.704672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.704672][ T73] ip6_route_add+0x1c/0x140 [ 197.704672][ T73] addrconf_prefix_route+0x2a6/0x430 [ 197.704672][ T73] inet6_addr_add+0x4f8/0xa40 [ 197.704672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.704672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.704672][ T73] netlink_rcv_skb+0x130/0x360 [ 197.704672][ T73] netlink_unicast+0x449/0x710 [ 197.704672][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.704672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.704672][ T73] ___sys_sendmsg+0xee/0x170 [ 197.704672][ T73] __sys_sendmsg+0xcd/0x170 [ 197.704672][ T73] do_syscall_64+0xc6/0x1e0 [ 197.704672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.704672][ T73] [ 197.706686][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.706686][ T73] netdev_get_by_index+0x5e/0x80 [ 197.706686][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.706686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.706686][ T73] addrconf_f6i_alloc+0x315/0x560 [ 197.706686][ T73] ipv6_add_addr+0x411/0x2000 [ 197.706686][ T73] inet6_addr_add+0x30e/0xa40 [ 197.706686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.706686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.706686][ T73] netlink_rcv_skb+0x130/0x360 [ 197.706686][ T73] netlink_unicast+0x449/0x710 [ 197.706686][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.706686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.706686][ T73] ___sys_sendmsg+0xee/0x170 [ 197.706686][ T73] __sys_sendmsg+0xcd/0x170 [ 197.706686][ T73] do_syscall_64+0xc6/0x1e0 [ 197.706686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.706686][ T73] [ 197.708740][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.708740][ T73] netdev_get_by_index+0x5e/0x80 [ 197.708740][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.708740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.708740][ T73] ip6_route_add+0x1c/0x140 [ 197.708740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 197.708740][ T73] addrconf_add_dev+0xe2/0x170 [ 197.708740][ T73] inet6_addr_add+0x12f/0xa40 [ 197.708740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.708740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.708740][ T73] netlink_rcv_skb+0x130/0x360 [ 197.708740][ T73] netlink_unicast+0x449/0x710 [ 197.708740][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.708740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.708740][ T73] ___sys_sendmsg+0xee/0x170 [ 197.708740][ T73] __sys_sendmsg+0xcd/0x170 [ 197.708740][ T73] do_syscall_64+0xc6/0x1e0 [ 197.708740][ T73] [ 197.710724][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.710724][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 197.710724][ T73] ipv6_find_idev+0x102/0x170 [ 197.710724][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.710724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.710724][ T73] netlink_rcv_skb+0x130/0x360 [ 197.710724][ T73] netlink_unicast+0x449/0x710 [ 197.710724][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.710724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.710724][ T73] ___sys_sendmsg+0xee/0x170 [ 197.710724][ T73] __sys_sendmsg+0xcd/0x170 [ 197.710724][ T73] do_syscall_64+0xc6/0x1e0 [ 197.710724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.710724][ T73] [ 197.712324][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 197.712324][ T73] neigh_parms_alloc+0x1e5/0x510 [ 197.712324][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 197.712324][ T73] ipv6_find_idev+0x102/0x170 [ 197.712324][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.712324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.712324][ T73] netlink_rcv_skb+0x130/0x360 [ 197.712324][ T73] netlink_unicast+0x449/0x710 [ 197.712324][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.712324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.712324][ T73] ___sys_sendmsg+0xee/0x170 [ 197.712324][ T73] __sys_sendmsg+0xcd/0x170 [ 197.712324][ T73] do_syscall_64+0xc6/0x1e0 [ 197.712324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.712324][ T73] [ 197.714176][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 197.714454][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.714454][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 197.714454][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 197.714454][ T73] fib6_nh_init+0xa22/0x1580 [ 197.714454][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.714454][ T73] ip6_route_add+0x1c/0x140 [ 197.714454][ T73] inet6_rtm_newroute+0x104/0x110 [ 197.714454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.714454][ T73] netlink_rcv_skb+0x130/0x360 [ 197.714454][ T73] netlink_unicast+0x449/0x710 [ 197.714454][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.714454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.714454][ T73] ___sys_sendmsg+0xee/0x170 [ 197.714454][ T73] __sys_sendmsg+0xcd/0x170 [ 197.714454][ T73] do_syscall_64+0xc6/0x1e0 [ 197.714454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.714454][ T73] [ 197.716692][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.716692][ T73] dst_init+0x84/0x4a0 [ 197.716692][ T73] dst_alloc+0x97/0x150 [ 197.716692][ T73] ip6_dst_alloc+0x23/0x90 [ 197.716692][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 197.716692][ T73] ip6_pol_route+0x56f/0x840 [ 197.716692][ T73] fib6_rule_lookup+0x456/0x630 [ 197.716692][ T73] ip6_route_input+0x59c/0xa50 [ 197.716692][ T73] ipv6_rcv+0x397/0x810 [ 197.716692][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 197.716692][ T73] process_backlog+0x101/0x620 [ 197.716692][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 197.716692][ T73] net_rx_action+0x495/0xbe0 [ 197.716692][ T73] __do_softirq+0x1b5/0x7f6 [ 197.716692][ T73] [ 197.718524][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.718524][ T73] netdev_get_by_index+0x5e/0x80 [ 197.718524][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.718524][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.718524][ T73] ip6_route_add+0x1c/0x140 [ 197.718524][ T73] addrconf_prefix_route+0x2a6/0x430 [ 197.718524][ T73] inet6_addr_add+0x4f8/0xa40 [ 197.718524][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.718524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.718524][ T73] netlink_rcv_skb+0x130/0x360 [ 197.718524][ T73] netlink_unicast+0x449/0x710 [ 197.718524][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.718524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.718524][ T73] ___sys_sendmsg+0xee/0x170 [ 197.718524][ T73] __sys_sendmsg+0xcd/0x170 [ 197.718524][ T73] do_syscall_64+0xc6/0x1e0 [ 197.718524][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.718524][ T73] [ 197.720811][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.720811][ T73] netdev_get_by_index+0x5e/0x80 [ 197.720811][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.720811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.720811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 197.720811][ T73] ipv6_add_addr+0x411/0x2000 [ 197.720811][ T73] inet6_addr_add+0x30e/0xa40 [ 197.720811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.720811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.720811][ T73] netlink_rcv_skb+0x130/0x360 [ 197.720811][ T73] netlink_unicast+0x449/0x710 [ 197.720811][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.720811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.720811][ T73] ___sys_sendmsg+0xee/0x170 [ 197.720811][ T73] __sys_sendmsg+0xcd/0x170 [ 197.720811][ T73] do_syscall_64+0xc6/0x1e0 [ 197.720811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.720811][ T73] [ 197.723001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.723001][ T73] netdev_get_by_index+0x5e/0x80 [ 197.723001][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.723001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.723001][ T73] ip6_route_add+0x1c/0x140 [ 197.723001][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 197.723001][ T73] addrconf_add_dev+0xe2/0x170 [ 197.723001][ T73] inet6_addr_add+0x12f/0xa40 [ 197.723001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.723001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.723001][ T73] netlink_rcv_skb+0x130/0x360 [ 197.723001][ T73] netlink_unicast+0x449/0x710 [ 197.723001][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.723001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.723001][ T73] ___sys_sendmsg+0xee/0x170 [ 197.723001][ T73] __sys_sendmsg+0xcd/0x170 [ 197.723001][ T73] do_syscall_64+0xc6/0x1e0 [ 197.723001][ T73] [ 197.725330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.725330][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 197.725330][ T73] ipv6_find_idev+0x102/0x170 [ 197.725330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.725330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.725330][ T73] netlink_rcv_skb+0x130/0x360 [ 197.725330][ T73] netlink_unicast+0x449/0x710 [ 197.725330][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.725330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.725330][ T73] ___sys_sendmsg+0xee/0x170 [ 197.725330][ T73] __sys_sendmsg+0xcd/0x170 [ 197.725330][ T73] do_syscall_64+0xc6/0x1e0 [ 197.725330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.725330][ T73] [ 197.727063][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 197.727063][ T73] neigh_parms_alloc+0x1e5/0x510 [ 197.727063][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 197.727063][ T73] ipv6_find_idev+0x102/0x170 [ 197.727063][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.727063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.727063][ T73] netlink_rcv_skb+0x130/0x360 [ 197.727063][ T73] netlink_unicast+0x449/0x710 [ 197.727063][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.727063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.727063][ T73] ___sys_sendmsg+0xee/0x170 [ 197.727063][ T73] __sys_sendmsg+0xcd/0x170 [ 197.727063][ T73] do_syscall_64+0xc6/0x1e0 [ 197.727063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.727063][ T73] [ 197.729007][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 197.729369][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 197.729369][ T73] netdev_get_by_index+0x5e/0x80 [ 197.729369][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.729369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.729369][ T73] addrconf_f6i_alloc+0x265/0x560 [ 197.729369][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 197.729369][ T73] addrconf_join_anycast+0x1c0/0x220 [ 197.729369][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 197.729369][ T73] addrconf_dad_completed+0x12b/0xe20 [ 197.729369][ T73] addrconf_dad_begin+0x310/0x670 [ 197.729369][ T73] addrconf_dad_work+0x10b/0xab0 [ 197.729369][ T73] process_one_work+0x84d/0x18a0 [ 197.729369][ T73] worker_thread+0x587/0xd30 [ 197.729369][ T73] kthread+0x28a/0x350 [ 197.729369][ T73] ret_from_fork+0x31/0x70 [ 197.729369][ T73] ret_from_fork_asm+0x1a/0x30 [ 197.729369][ T73] [ 197.731463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 197.731463][ T73] netdev_get_by_index+0x5e/0x80 [ 197.731463][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.731463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.731463][ T73] ip6_route_add+0x1c/0x140 [ 197.731463][ T73] addrconf_prefix_route+0x2a6/0x430 [ 197.731463][ T73] inet6_addr_add+0x4f8/0xa40 [ 197.731463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.731463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.731463][ T73] netlink_rcv_skb+0x130/0x360 [ 197.731463][ T73] netlink_unicast+0x449/0x710 [ 197.731463][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.731463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.731463][ T73] ___sys_sendmsg+0xee/0x170 [ 197.731463][ T73] __sys_sendmsg+0xcd/0x170 [ 197.731463][ T73] do_syscall_64+0xc6/0x1e0 [ 197.731463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.731463][ T73] [ 197.733728][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 197.733728][ T73] netdev_get_by_index+0x5e/0x80 [ 197.733728][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.733728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.733728][ T73] addrconf_f6i_alloc+0x315/0x560 [ 197.733728][ T73] ipv6_add_addr+0x411/0x2000 [ 197.733728][ T73] inet6_addr_add+0x30e/0xa40 [ 197.733728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.733728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.733728][ T73] netlink_rcv_skb+0x130/0x360 [ 197.733728][ T73] netlink_unicast+0x449/0x710 [ 197.733728][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.733728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.733728][ T73] ___sys_sendmsg+0xee/0x170 [ 197.733728][ T73] __sys_sendmsg+0xcd/0x170 [ 197.733728][ T73] do_syscall_64+0xc6/0x1e0 [ 197.733728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.733728][ T73] [ 197.736087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 197.736087][ T73] netdev_get_by_index+0x5e/0x80 [ 197.736087][ T73] fib6_nh_init+0x3d8/0x1580 [ 197.736087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 197.736087][ T73] ip6_route_add+0x1c/0x140 [ 197.736087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 197.736087][ T73] addrconf_add_dev+0xe2/0x170 [ 197.736087][ T73] inet6_addr_add+0x12f/0xa40 [ 197.736087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 197.736087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.736087][ T73] netlink_rcv_skb+0x130/0x360 [ 197.736087][ T73] netlink_unicast+0x449/0x710 [ 197.736087][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.736087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.736087][ T73] ___sys_sendmsg+0xee/0x170 [ 197.736087][ T73] __sys_sendmsg+0xcd/0x170 [ 197.736087][ T73] do_syscall_64+0xc6/0x1e0 [ 197.736087][ T73] [ 197.738319][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 197.738319][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 197.738319][ T73] ipv6_find_idev+0x102/0x170 [ 197.738319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.738319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.738319][ T73] netlink_rcv_skb+0x130/0x360 [ 197.738319][ T73] netlink_unicast+0x449/0x710 [ 197.738319][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.738319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.738319][ T73] ___sys_sendmsg+0xee/0x170 [ 197.738319][ T73] __sys_sendmsg+0xcd/0x170 [ 197.738319][ T73] do_syscall_64+0xc6/0x1e0 [ 197.738319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.738319][ T73] [ 197.740101][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 197.740101][ T73] neigh_parms_alloc+0x1e5/0x510 [ 197.740101][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 197.740101][ T73] ipv6_find_idev+0x102/0x170 [ 197.740101][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.740101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.740101][ T73] netlink_rcv_skb+0x130/0x360 [ 197.740101][ T73] netlink_unicast+0x449/0x710 [ 197.740101][ T73] netlink_sendmsg+0x723/0xbe0 [ 197.740101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 197.740101][ T73] ___sys_sendmsg+0xee/0x170 [ 197.740101][ T73] __sys_sendmsg+0xcd/0x170 [ 197.740101][ T73] do_syscall_64+0xc6/0x1e0 [ 197.740101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.740101][ T73] [ 207.742910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 207.743609][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.743609][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 207.743609][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 207.743609][ T73] fib6_nh_init+0xa22/0x1580 [ 207.743609][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.743609][ T73] ip6_route_add+0x1c/0x140 [ 207.743609][ T73] inet6_rtm_newroute+0x104/0x110 [ 207.743609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.743609][ T73] netlink_rcv_skb+0x130/0x360 [ 207.743609][ T73] netlink_unicast+0x449/0x710 [ 207.743609][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.743609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.743609][ T73] ___sys_sendmsg+0xee/0x170 [ 207.743609][ T73] __sys_sendmsg+0xcd/0x170 [ 207.743609][ T73] do_syscall_64+0xc6/0x1e0 [ 207.743609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.743609][ T73] [ 207.746582][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.746582][ T73] dst_init+0x84/0x4a0 [ 207.746582][ T73] dst_alloc+0x97/0x150 [ 207.746582][ T73] ip6_dst_alloc+0x23/0x90 [ 207.746582][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 207.746582][ T73] ip6_pol_route+0x56f/0x840 [ 207.746582][ T73] fib6_rule_lookup+0x456/0x630 [ 207.746582][ T73] ip6_route_input+0x59c/0xa50 [ 207.746582][ T73] ipv6_rcv+0x397/0x810 [ 207.746582][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 207.746582][ T73] process_backlog+0x101/0x620 [ 207.746582][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 207.746582][ T73] net_rx_action+0x495/0xbe0 [ 207.746582][ T73] __do_softirq+0x1b5/0x7f6 [ 207.746582][ T73] [ 207.749182][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.749182][ T73] netdev_get_by_index+0x5e/0x80 [ 207.749182][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.749182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.749182][ T73] ip6_route_add+0x1c/0x140 [ 207.749182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 207.749182][ T73] inet6_addr_add+0x4f8/0xa40 [ 207.749182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.749182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.749182][ T73] netlink_rcv_skb+0x130/0x360 [ 207.749182][ T73] netlink_unicast+0x449/0x710 [ 207.749182][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.749182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.749182][ T73] ___sys_sendmsg+0xee/0x170 [ 207.749182][ T73] __sys_sendmsg+0xcd/0x170 [ 207.749182][ T73] do_syscall_64+0xc6/0x1e0 [ 207.749182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.749182][ T73] [ 207.752344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.752344][ T73] netdev_get_by_index+0x5e/0x80 [ 207.752344][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.752344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.752344][ T73] addrconf_f6i_alloc+0x315/0x560 [ 207.752344][ T73] ipv6_add_addr+0x411/0x2000 [ 207.752344][ T73] inet6_addr_add+0x30e/0xa40 [ 207.752344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.752344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.752344][ T73] netlink_rcv_skb+0x130/0x360 [ 207.752344][ T73] netlink_unicast+0x449/0x710 [ 207.752344][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.752344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.752344][ T73] ___sys_sendmsg+0xee/0x170 [ 207.752344][ T73] __sys_sendmsg+0xcd/0x170 [ 207.752344][ T73] do_syscall_64+0xc6/0x1e0 [ 207.752344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.752344][ T73] [ 207.755492][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.755492][ T73] netdev_get_by_index+0x5e/0x80 [ 207.755492][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.755492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.755492][ T73] ip6_route_add+0x1c/0x140 [ 207.755492][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 207.755492][ T73] addrconf_add_dev+0xe2/0x170 [ 207.755492][ T73] inet6_addr_add+0x12f/0xa40 [ 207.755492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.755492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.755492][ T73] netlink_rcv_skb+0x130/0x360 [ 207.755492][ T73] netlink_unicast+0x449/0x710 [ 207.755492][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.755492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.755492][ T73] ___sys_sendmsg+0xee/0x170 [ 207.755492][ T73] __sys_sendmsg+0xcd/0x170 [ 207.755492][ T73] do_syscall_64+0xc6/0x1e0 [ 207.755492][ T73] [ 207.757503][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.757503][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 207.757503][ T73] ipv6_find_idev+0x102/0x170 [ 207.757503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.757503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.757503][ T73] netlink_rcv_skb+0x130/0x360 [ 207.757503][ T73] netlink_unicast+0x449/0x710 [ 207.757503][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.757503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.757503][ T73] ___sys_sendmsg+0xee/0x170 [ 207.757503][ T73] __sys_sendmsg+0xcd/0x170 [ 207.757503][ T73] do_syscall_64+0xc6/0x1e0 [ 207.757503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.757503][ T73] [ 207.759048][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 207.759048][ T73] neigh_parms_alloc+0x1e5/0x510 [ 207.759048][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 207.759048][ T73] ipv6_find_idev+0x102/0x170 [ 207.759048][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.759048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.759048][ T73] netlink_rcv_skb+0x130/0x360 [ 207.759048][ T73] netlink_unicast+0x449/0x710 [ 207.759048][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.759048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.759048][ T73] ___sys_sendmsg+0xee/0x170 [ 207.759048][ T73] __sys_sendmsg+0xcd/0x170 [ 207.759048][ T73] do_syscall_64+0xc6/0x1e0 [ 207.759048][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.759048][ T73] [ 207.760824][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 207.761105][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.761105][ T73] dst_init+0x84/0x4a0 [ 207.761105][ T73] dst_alloc+0x97/0x150 [ 207.761105][ T73] ip6_dst_alloc+0x23/0x90 [ 207.761105][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 207.761105][ T73] ip6_pol_route+0x56f/0x840 [ 207.761105][ T73] fib6_rule_lookup+0x456/0x630 [ 207.761105][ T73] ip6_route_input+0x59c/0xa50 [ 207.761105][ T73] ipv6_rcv+0x397/0x810 [ 207.761105][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 207.761105][ T73] process_backlog+0x101/0x620 [ 207.761105][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 207.761105][ T73] net_rx_action+0x495/0xbe0 [ 207.761105][ T73] __do_softirq+0x1b5/0x7f6 [ 207.761105][ T73] [ 207.763242][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.763242][ T73] netdev_get_by_index+0x5e/0x80 [ 207.763242][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.763242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.763242][ T73] addrconf_f6i_alloc+0x265/0x560 [ 207.763242][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 207.763242][ T73] addrconf_join_anycast+0x1c0/0x220 [ 207.763242][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 207.763242][ T73] addrconf_dad_completed+0x12b/0xe20 [ 207.763242][ T73] addrconf_dad_begin+0x310/0x670 [ 207.763242][ T73] addrconf_dad_work+0x10b/0xab0 [ 207.763242][ T73] process_one_work+0x84d/0x18a0 [ 207.763242][ T73] worker_thread+0x587/0xd30 [ 207.763242][ T73] kthread+0x28a/0x350 [ 207.763242][ T73] ret_from_fork+0x31/0x70 [ 207.763242][ T73] ret_from_fork_asm+0x1a/0x30 [ 207.763242][ T73] [ 207.765268][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.765268][ T73] netdev_get_by_index+0x5e/0x80 [ 207.765268][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.765268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.765268][ T73] ip6_route_add+0x1c/0x140 [ 207.765268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 207.765268][ T73] inet6_addr_add+0x4f8/0xa40 [ 207.765268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.765268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.765268][ T73] netlink_rcv_skb+0x130/0x360 [ 207.765268][ T73] netlink_unicast+0x449/0x710 [ 207.765268][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.765268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.765268][ T73] ___sys_sendmsg+0xee/0x170 [ 207.765268][ T73] __sys_sendmsg+0xcd/0x170 [ 207.765268][ T73] do_syscall_64+0xc6/0x1e0 [ 207.765268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.765268][ T73] [ 207.767642][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.767642][ T73] netdev_get_by_index+0x5e/0x80 [ 207.767642][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.767642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.767642][ T73] addrconf_f6i_alloc+0x315/0x560 [ 207.767642][ T73] ipv6_add_addr+0x411/0x2000 [ 207.767642][ T73] inet6_addr_add+0x30e/0xa40 [ 207.767642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.767642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.767642][ T73] netlink_rcv_skb+0x130/0x360 [ 207.767642][ T73] netlink_unicast+0x449/0x710 [ 207.767642][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.767642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.767642][ T73] ___sys_sendmsg+0xee/0x170 [ 207.767642][ T73] __sys_sendmsg+0xcd/0x170 [ 207.767642][ T73] do_syscall_64+0xc6/0x1e0 [ 207.767642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.767642][ T73] [ 207.769702][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.769702][ T73] netdev_get_by_index+0x5e/0x80 [ 207.769702][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.769702][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.769702][ T73] ip6_route_add+0x1c/0x140 [ 207.769702][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 207.769702][ T73] addrconf_add_dev+0xe2/0x170 [ 207.769702][ T73] inet6_addr_add+0x12f/0xa40 [ 207.769702][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.769702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.769702][ T73] netlink_rcv_skb+0x130/0x360 [ 207.769702][ T73] netlink_unicast+0x449/0x710 [ 207.769702][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.769702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.769702][ T73] ___sys_sendmsg+0xee/0x170 [ 207.769702][ T73] __sys_sendmsg+0xcd/0x170 [ 207.769702][ T73] do_syscall_64+0xc6/0x1e0 [ 207.769702][ T73] [ 207.771716][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.771716][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 207.771716][ T73] ipv6_find_idev+0x102/0x170 [ 207.771716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.771716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.771716][ T73] netlink_rcv_skb+0x130/0x360 [ 207.771716][ T73] netlink_unicast+0x449/0x710 [ 207.771716][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.771716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.771716][ T73] ___sys_sendmsg+0xee/0x170 [ 207.771716][ T73] __sys_sendmsg+0xcd/0x170 [ 207.771716][ T73] do_syscall_64+0xc6/0x1e0 [ 207.771716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.771716][ T73] [ 207.773290][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 207.773290][ T73] neigh_parms_alloc+0x1e5/0x510 [ 207.773290][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 207.773290][ T73] ipv6_find_idev+0x102/0x170 [ 207.773290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.773290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.773290][ T73] netlink_rcv_skb+0x130/0x360 [ 207.773290][ T73] netlink_unicast+0x449/0x710 [ 207.773290][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.773290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.773290][ T73] ___sys_sendmsg+0xee/0x170 [ 207.773290][ T73] __sys_sendmsg+0xcd/0x170 [ 207.773290][ T73] do_syscall_64+0xc6/0x1e0 [ 207.773290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.773290][ T73] [ 207.775169][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 207.775452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.775452][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 207.775452][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 207.775452][ T73] fib6_nh_init+0xa22/0x1580 [ 207.775452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.775452][ T73] ip6_route_add+0x1c/0x140 [ 207.775452][ T73] inet6_rtm_newroute+0x104/0x110 [ 207.775452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.775452][ T73] netlink_rcv_skb+0x130/0x360 [ 207.775452][ T73] netlink_unicast+0x449/0x710 [ 207.775452][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.775452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.775452][ T73] ___sys_sendmsg+0xee/0x170 [ 207.775452][ T73] __sys_sendmsg+0xcd/0x170 [ 207.775452][ T73] do_syscall_64+0xc6/0x1e0 [ 207.775452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.775452][ T73] [ 207.777677][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.777677][ T73] dst_init+0x84/0x4a0 [ 207.777677][ T73] dst_alloc+0x97/0x150 [ 207.777677][ T73] ip6_dst_alloc+0x23/0x90 [ 207.777677][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 207.777677][ T73] ip6_pol_route+0x56f/0x840 [ 207.777677][ T73] fib6_rule_lookup+0x456/0x630 [ 207.777677][ T73] ip6_route_input+0x59c/0xa50 [ 207.777677][ T73] ipv6_rcv+0x397/0x810 [ 207.777677][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 207.777677][ T73] process_backlog+0x101/0x620 [ 207.777677][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 207.777677][ T73] net_rx_action+0x495/0xbe0 [ 207.777677][ T73] __do_softirq+0x1b5/0x7f6 [ 207.777677][ T73] [ 207.779509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.779509][ T73] netdev_get_by_index+0x5e/0x80 [ 207.779509][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.779509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.779509][ T73] ip6_route_add+0x1c/0x140 [ 207.779509][ T73] addrconf_prefix_route+0x2a6/0x430 [ 207.779509][ T73] inet6_addr_add+0x4f8/0xa40 [ 207.779509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.779509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.779509][ T73] netlink_rcv_skb+0x130/0x360 [ 207.779509][ T73] netlink_unicast+0x449/0x710 [ 207.779509][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.779509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.779509][ T73] ___sys_sendmsg+0xee/0x170 [ 207.779509][ T73] __sys_sendmsg+0xcd/0x170 [ 207.779509][ T73] do_syscall_64+0xc6/0x1e0 [ 207.779509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.779509][ T73] [ 207.781854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.781854][ T73] netdev_get_by_index+0x5e/0x80 [ 207.781854][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.781854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.781854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 207.781854][ T73] ipv6_add_addr+0x411/0x2000 [ 207.781854][ T73] inet6_addr_add+0x30e/0xa40 [ 207.781854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.781854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.781854][ T73] netlink_rcv_skb+0x130/0x360 [ 207.781854][ T73] netlink_unicast+0x449/0x710 [ 207.781854][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.781854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.781854][ T73] ___sys_sendmsg+0xee/0x170 [ 207.781854][ T73] __sys_sendmsg+0xcd/0x170 [ 207.781854][ T73] do_syscall_64+0xc6/0x1e0 [ 207.781854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.781854][ T73] [ 207.784069][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.784069][ T73] netdev_get_by_index+0x5e/0x80 [ 207.784069][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.784069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.784069][ T73] ip6_route_add+0x1c/0x140 [ 207.784069][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 207.784069][ T73] addrconf_add_dev+0xe2/0x170 [ 207.784069][ T73] inet6_addr_add+0x12f/0xa40 [ 207.784069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.784069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.784069][ T73] netlink_rcv_skb+0x130/0x360 [ 207.784069][ T73] netlink_unicast+0x449/0x710 [ 207.784069][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.784069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.784069][ T73] ___sys_sendmsg+0xee/0x170 [ 207.784069][ T73] __sys_sendmsg+0xcd/0x170 [ 207.784069][ T73] do_syscall_64+0xc6/0x1e0 [ 207.784069][ T73] [ 207.786350][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.786350][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 207.786350][ T73] ipv6_find_idev+0x102/0x170 [ 207.786350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.786350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.786350][ T73] netlink_rcv_skb+0x130/0x360 [ 207.786350][ T73] netlink_unicast+0x449/0x710 [ 207.786350][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.786350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.786350][ T73] ___sys_sendmsg+0xee/0x170 [ 207.786350][ T73] __sys_sendmsg+0xcd/0x170 [ 207.786350][ T73] do_syscall_64+0xc6/0x1e0 [ 207.786350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.786350][ T73] [ 207.788102][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 207.788102][ T73] neigh_parms_alloc+0x1e5/0x510 [ 207.788102][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 207.788102][ T73] ipv6_find_idev+0x102/0x170 [ 207.788102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.788102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.788102][ T73] netlink_rcv_skb+0x130/0x360 [ 207.788102][ T73] netlink_unicast+0x449/0x710 [ 207.788102][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.788102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.788102][ T73] ___sys_sendmsg+0xee/0x170 [ 207.788102][ T73] __sys_sendmsg+0xcd/0x170 [ 207.788102][ T73] do_syscall_64+0xc6/0x1e0 [ 207.788102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.788102][ T73] [ 207.790028][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 207.790375][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 207.790375][ T73] netdev_get_by_index+0x5e/0x80 [ 207.790375][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.790375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.790375][ T73] addrconf_f6i_alloc+0x265/0x560 [ 207.790375][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 207.790375][ T73] addrconf_join_anycast+0x1c0/0x220 [ 207.790375][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 207.790375][ T73] addrconf_dad_completed+0x12b/0xe20 [ 207.790375][ T73] addrconf_dad_begin+0x310/0x670 [ 207.790375][ T73] addrconf_dad_work+0x10b/0xab0 [ 207.790375][ T73] process_one_work+0x84d/0x18a0 [ 207.790375][ T73] worker_thread+0x587/0xd30 [ 207.790375][ T73] kthread+0x28a/0x350 [ 207.790375][ T73] ret_from_fork+0x31/0x70 [ 207.790375][ T73] ret_from_fork_asm+0x1a/0x30 [ 207.790375][ T73] [ 207.792467][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 207.792467][ T73] netdev_get_by_index+0x5e/0x80 [ 207.792467][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.792467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.792467][ T73] ip6_route_add+0x1c/0x140 [ 207.792467][ T73] addrconf_prefix_route+0x2a6/0x430 [ 207.792467][ T73] inet6_addr_add+0x4f8/0xa40 [ 207.792467][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.792467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.792467][ T73] netlink_rcv_skb+0x130/0x360 [ 207.792467][ T73] netlink_unicast+0x449/0x710 [ 207.792467][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.792467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.792467][ T73] ___sys_sendmsg+0xee/0x170 [ 207.792467][ T73] __sys_sendmsg+0xcd/0x170 [ 207.792467][ T73] do_syscall_64+0xc6/0x1e0 [ 207.792467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.792467][ T73] [ 207.794715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 207.794715][ T73] netdev_get_by_index+0x5e/0x80 [ 207.794715][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.794715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.794715][ T73] addrconf_f6i_alloc+0x315/0x560 [ 207.794715][ T73] ipv6_add_addr+0x411/0x2000 [ 207.794715][ T73] inet6_addr_add+0x30e/0xa40 [ 207.794715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.794715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.794715][ T73] netlink_rcv_skb+0x130/0x360 [ 207.794715][ T73] netlink_unicast+0x449/0x710 [ 207.794715][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.794715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.794715][ T73] ___sys_sendmsg+0xee/0x170 [ 207.794715][ T73] __sys_sendmsg+0xcd/0x170 [ 207.794715][ T73] do_syscall_64+0xc6/0x1e0 [ 207.794715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.794715][ T73] [ 207.797010][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 207.797010][ T73] netdev_get_by_index+0x5e/0x80 [ 207.797010][ T73] fib6_nh_init+0x3d8/0x1580 [ 207.797010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 207.797010][ T73] ip6_route_add+0x1c/0x140 [ 207.797010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 207.797010][ T73] addrconf_add_dev+0xe2/0x170 [ 207.797010][ T73] inet6_addr_add+0x12f/0xa40 [ 207.797010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 207.797010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.797010][ T73] netlink_rcv_skb+0x130/0x360 [ 207.797010][ T73] netlink_unicast+0x449/0x710 [ 207.797010][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.797010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.797010][ T73] ___sys_sendmsg+0xee/0x170 [ 207.797010][ T73] __sys_sendmsg+0xcd/0x170 [ 207.797010][ T73] do_syscall_64+0xc6/0x1e0 [ 207.797010][ T73] [ 207.799253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 207.799253][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 207.799253][ T73] ipv6_find_idev+0x102/0x170 [ 207.799253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.799253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.799253][ T73] netlink_rcv_skb+0x130/0x360 [ 207.799253][ T73] netlink_unicast+0x449/0x710 [ 207.799253][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.799253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.799253][ T73] ___sys_sendmsg+0xee/0x170 [ 207.799253][ T73] __sys_sendmsg+0xcd/0x170 [ 207.799253][ T73] do_syscall_64+0xc6/0x1e0 [ 207.799253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.799253][ T73] [ 207.800990][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 207.800990][ T73] neigh_parms_alloc+0x1e5/0x510 [ 207.800990][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 207.800990][ T73] ipv6_find_idev+0x102/0x170 [ 207.800990][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.800990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.800990][ T73] netlink_rcv_skb+0x130/0x360 [ 207.800990][ T73] netlink_unicast+0x449/0x710 [ 207.800990][ T73] netlink_sendmsg+0x723/0xbe0 [ 207.800990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 207.800990][ T73] ___sys_sendmsg+0xee/0x170 [ 207.800990][ T73] __sys_sendmsg+0xcd/0x170 [ 207.800990][ T73] do_syscall_64+0xc6/0x1e0 [ 207.800990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.800990][ T73] [ 218.038900][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 218.039463][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.039463][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 218.039463][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 218.039463][ T73] fib6_nh_init+0xa22/0x1580 [ 218.039463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.039463][ T73] ip6_route_add+0x1c/0x140 [ 218.039463][ T73] inet6_rtm_newroute+0x104/0x110 [ 218.039463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.039463][ T73] netlink_rcv_skb+0x130/0x360 [ 218.039463][ T73] netlink_unicast+0x449/0x710 [ 218.039463][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.039463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.039463][ T73] ___sys_sendmsg+0xee/0x170 [ 218.039463][ T73] __sys_sendmsg+0xcd/0x170 [ 218.039463][ T73] do_syscall_64+0xc6/0x1e0 [ 218.039463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.039463][ T73] [ 218.041691][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.041691][ T73] dst_init+0x84/0x4a0 [ 218.041691][ T73] dst_alloc+0x97/0x150 [ 218.041691][ T73] ip6_dst_alloc+0x23/0x90 [ 218.041691][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 218.041691][ T73] ip6_pol_route+0x56f/0x840 [ 218.041691][ T73] fib6_rule_lookup+0x456/0x630 [ 218.041691][ T73] ip6_route_input+0x59c/0xa50 [ 218.041691][ T73] ipv6_rcv+0x397/0x810 [ 218.041691][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 218.041691][ T73] process_backlog+0x101/0x620 [ 218.041691][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 218.041691][ T73] net_rx_action+0x495/0xbe0 [ 218.041691][ T73] __do_softirq+0x1b5/0x7f6 [ 218.041691][ T73] [ 218.043445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.043445][ T73] netdev_get_by_index+0x5e/0x80 [ 218.043445][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.043445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.043445][ T73] ip6_route_add+0x1c/0x140 [ 218.043445][ T73] addrconf_prefix_route+0x2a6/0x430 [ 218.043445][ T73] inet6_addr_add+0x4f8/0xa40 [ 218.043445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.043445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.043445][ T73] netlink_rcv_skb+0x130/0x360 [ 218.043445][ T73] netlink_unicast+0x449/0x710 [ 218.043445][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.043445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.043445][ T73] ___sys_sendmsg+0xee/0x170 [ 218.043445][ T73] __sys_sendmsg+0xcd/0x170 [ 218.043445][ T73] do_syscall_64+0xc6/0x1e0 [ 218.043445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.043445][ T73] [ 218.045576][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.045576][ T73] netdev_get_by_index+0x5e/0x80 [ 218.045576][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.045576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.045576][ T73] addrconf_f6i_alloc+0x315/0x560 [ 218.045576][ T73] ipv6_add_addr+0x411/0x2000 [ 218.045576][ T73] inet6_addr_add+0x30e/0xa40 [ 218.045576][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.045576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.045576][ T73] netlink_rcv_skb+0x130/0x360 [ 218.045576][ T73] netlink_unicast+0x449/0x710 [ 218.045576][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.045576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.045576][ T73] ___sys_sendmsg+0xee/0x170 [ 218.045576][ T73] __sys_sendmsg+0xcd/0x170 [ 218.045576][ T73] do_syscall_64+0xc6/0x1e0 [ 218.045576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.045576][ T73] [ 218.047699][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.047699][ T73] netdev_get_by_index+0x5e/0x80 [ 218.047699][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.047699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.047699][ T73] ip6_route_add+0x1c/0x140 [ 218.047699][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 218.047699][ T73] addrconf_add_dev+0xe2/0x170 [ 218.047699][ T73] inet6_addr_add+0x12f/0xa40 [ 218.047699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.047699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.047699][ T73] netlink_rcv_skb+0x130/0x360 [ 218.047699][ T73] netlink_unicast+0x449/0x710 [ 218.047699][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.047699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.047699][ T73] ___sys_sendmsg+0xee/0x170 [ 218.047699][ T73] __sys_sendmsg+0xcd/0x170 [ 218.047699][ T73] do_syscall_64+0xc6/0x1e0 [ 218.047699][ T73] [ 218.049830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.049830][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 218.049830][ T73] ipv6_find_idev+0x102/0x170 [ 218.049830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.049830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.049830][ T73] netlink_rcv_skb+0x130/0x360 [ 218.049830][ T73] netlink_unicast+0x449/0x710 [ 218.049830][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.049830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.049830][ T73] ___sys_sendmsg+0xee/0x170 [ 218.049830][ T73] __sys_sendmsg+0xcd/0x170 [ 218.049830][ T73] do_syscall_64+0xc6/0x1e0 [ 218.049830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.049830][ T73] [ 218.051474][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 218.051474][ T73] neigh_parms_alloc+0x1e5/0x510 [ 218.051474][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 218.051474][ T73] ipv6_find_idev+0x102/0x170 [ 218.051474][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.051474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.051474][ T73] netlink_rcv_skb+0x130/0x360 [ 218.051474][ T73] netlink_unicast+0x449/0x710 [ 218.051474][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.051474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.051474][ T73] ___sys_sendmsg+0xee/0x170 [ 218.051474][ T73] __sys_sendmsg+0xcd/0x170 [ 218.051474][ T73] do_syscall_64+0xc6/0x1e0 [ 218.051474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.051474][ T73] [ 218.053342][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 218.053637][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.053637][ T73] dst_init+0x84/0x4a0 [ 218.053637][ T73] dst_alloc+0x97/0x150 [ 218.053637][ T73] ip6_dst_alloc+0x23/0x90 [ 218.053637][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 218.053637][ T73] ip6_pol_route+0x56f/0x840 [ 218.053637][ T73] fib6_rule_lookup+0x456/0x630 [ 218.053637][ T73] ip6_route_input+0x59c/0xa50 [ 218.053637][ T73] ipv6_rcv+0x397/0x810 [ 218.053637][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 218.053637][ T73] process_backlog+0x101/0x620 [ 218.053637][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 218.053637][ T73] net_rx_action+0x495/0xbe0 [ 218.053637][ T73] __do_softirq+0x1b5/0x7f6 [ 218.053637][ T73] [ 218.055386][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.055386][ T73] netdev_get_by_index+0x5e/0x80 [ 218.055386][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.055386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.055386][ T73] addrconf_f6i_alloc+0x265/0x560 [ 218.055386][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 218.055386][ T73] addrconf_join_anycast+0x1c0/0x220 [ 218.055386][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 218.055386][ T73] addrconf_dad_completed+0x12b/0xe20 [ 218.055386][ T73] addrconf_dad_begin+0x310/0x670 [ 218.055386][ T73] addrconf_dad_work+0x10b/0xab0 [ 218.055386][ T73] process_one_work+0x84d/0x18a0 [ 218.055386][ T73] worker_thread+0x587/0xd30 [ 218.055386][ T73] kthread+0x28a/0x350 [ 218.055386][ T73] ret_from_fork+0x31/0x70 [ 218.055386][ T73] ret_from_fork_asm+0x1a/0x30 [ 218.055386][ T73] [ 218.057419][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.057419][ T73] netdev_get_by_index+0x5e/0x80 [ 218.057419][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.057419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.057419][ T73] ip6_route_add+0x1c/0x140 [ 218.057419][ T73] addrconf_prefix_route+0x2a6/0x430 [ 218.057419][ T73] inet6_addr_add+0x4f8/0xa40 [ 218.057419][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.057419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.057419][ T73] netlink_rcv_skb+0x130/0x360 [ 218.057419][ T73] netlink_unicast+0x449/0x710 [ 218.057419][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.057419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.057419][ T73] ___sys_sendmsg+0xee/0x170 [ 218.057419][ T73] __sys_sendmsg+0xcd/0x170 [ 218.057419][ T73] do_syscall_64+0xc6/0x1e0 [ 218.057419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.057419][ T73] [ 218.059570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.059570][ T73] netdev_get_by_index+0x5e/0x80 [ 218.059570][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.059570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.059570][ T73] addrconf_f6i_alloc+0x315/0x560 [ 218.059570][ T73] ipv6_add_addr+0x411/0x2000 [ 218.059570][ T73] inet6_addr_add+0x30e/0xa40 [ 218.059570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.059570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.059570][ T73] netlink_rcv_skb+0x130/0x360 [ 218.059570][ T73] netlink_unicast+0x449/0x710 [ 218.059570][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.059570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.059570][ T73] ___sys_sendmsg+0xee/0x170 [ 218.059570][ T73] __sys_sendmsg+0xcd/0x170 [ 218.059570][ T73] do_syscall_64+0xc6/0x1e0 [ 218.059570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.059570][ T73] [ 218.061720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.061720][ T73] netdev_get_by_index+0x5e/0x80 [ 218.061720][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.061720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.061720][ T73] ip6_route_add+0x1c/0x140 [ 218.061720][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 218.061720][ T73] addrconf_add_dev+0xe2/0x170 [ 218.061720][ T73] inet6_addr_add+0x12f/0xa40 [ 218.061720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.061720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.061720][ T73] netlink_rcv_skb+0x130/0x360 [ 218.061720][ T73] netlink_unicast+0x449/0x710 [ 218.061720][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.061720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.061720][ T73] ___sys_sendmsg+0xee/0x170 [ 218.061720][ T73] __sys_sendmsg+0xcd/0x170 [ 218.061720][ T73] do_syscall_64+0xc6/0x1e0 [ 218.061720][ T73] [ 218.063821][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.063821][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 218.063821][ T73] ipv6_find_idev+0x102/0x170 [ 218.063821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.063821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.063821][ T73] netlink_rcv_skb+0x130/0x360 [ 218.063821][ T73] netlink_unicast+0x449/0x710 [ 218.063821][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.063821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.063821][ T73] ___sys_sendmsg+0xee/0x170 [ 218.063821][ T73] __sys_sendmsg+0xcd/0x170 [ 218.063821][ T73] do_syscall_64+0xc6/0x1e0 [ 218.063821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.063821][ T73] [ 218.065456][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 218.065456][ T73] neigh_parms_alloc+0x1e5/0x510 [ 218.065456][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 218.065456][ T73] ipv6_find_idev+0x102/0x170 [ 218.065456][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.065456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.065456][ T73] netlink_rcv_skb+0x130/0x360 [ 218.065456][ T73] netlink_unicast+0x449/0x710 [ 218.065456][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.065456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.065456][ T73] ___sys_sendmsg+0xee/0x170 [ 218.065456][ T73] __sys_sendmsg+0xcd/0x170 [ 218.065456][ T73] do_syscall_64+0xc6/0x1e0 [ 218.065456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.065456][ T73] [ 218.067469][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 218.067764][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.067764][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 218.067764][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 218.067764][ T73] fib6_nh_init+0xa22/0x1580 [ 218.067764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.067764][ T73] ip6_route_add+0x1c/0x140 [ 218.067764][ T73] inet6_rtm_newroute+0x104/0x110 [ 218.067764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.067764][ T73] netlink_rcv_skb+0x130/0x360 [ 218.067764][ T73] netlink_unicast+0x449/0x710 [ 218.067764][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.067764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.067764][ T73] ___sys_sendmsg+0xee/0x170 [ 218.067764][ T73] __sys_sendmsg+0xcd/0x170 [ 218.067764][ T73] do_syscall_64+0xc6/0x1e0 [ 218.067764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.067764][ T73] [ 218.070072][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.070072][ T73] dst_init+0x84/0x4a0 [ 218.070072][ T73] dst_alloc+0x97/0x150 [ 218.070072][ T73] ip6_dst_alloc+0x23/0x90 [ 218.070072][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 218.070072][ T73] ip6_pol_route+0x56f/0x840 [ 218.070072][ T73] fib6_rule_lookup+0x456/0x630 [ 218.070072][ T73] ip6_route_input+0x59c/0xa50 [ 218.070072][ T73] ipv6_rcv+0x397/0x810 [ 218.070072][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 218.070072][ T73] process_backlog+0x101/0x620 [ 218.070072][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 218.070072][ T73] net_rx_action+0x495/0xbe0 [ 218.070072][ T73] __do_softirq+0x1b5/0x7f6 [ 218.070072][ T73] [ 218.072014][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.072014][ T73] netdev_get_by_index+0x5e/0x80 [ 218.072014][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.072014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.072014][ T73] ip6_route_add+0x1c/0x140 [ 218.072014][ T73] addrconf_prefix_route+0x2a6/0x430 [ 218.072014][ T73] inet6_addr_add+0x4f8/0xa40 [ 218.072014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.072014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.072014][ T73] netlink_rcv_skb+0x130/0x360 [ 218.072014][ T73] netlink_unicast+0x449/0x710 [ 218.072014][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.072014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.072014][ T73] ___sys_sendmsg+0xee/0x170 [ 218.072014][ T73] __sys_sendmsg+0xcd/0x170 [ 218.072014][ T73] do_syscall_64+0xc6/0x1e0 [ 218.072014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.072014][ T73] [ 218.074384][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.074384][ T73] netdev_get_by_index+0x5e/0x80 [ 218.074384][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.074384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.074384][ T73] addrconf_f6i_alloc+0x315/0x560 [ 218.074384][ T73] ipv6_add_addr+0x411/0x2000 [ 218.074384][ T73] inet6_addr_add+0x30e/0xa40 [ 218.074384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.074384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.074384][ T73] netlink_rcv_skb+0x130/0x360 [ 218.074384][ T73] netlink_unicast+0x449/0x710 [ 218.074384][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.074384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.074384][ T73] ___sys_sendmsg+0xee/0x170 [ 218.074384][ T73] __sys_sendmsg+0xcd/0x170 [ 218.074384][ T73] do_syscall_64+0xc6/0x1e0 [ 218.074384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.074384][ T73] [ 218.076703][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.076703][ T73] netdev_get_by_index+0x5e/0x80 [ 218.076703][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.076703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.076703][ T73] ip6_route_add+0x1c/0x140 [ 218.076703][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 218.076703][ T73] addrconf_add_dev+0xe2/0x170 [ 218.076703][ T73] inet6_addr_add+0x12f/0xa40 [ 218.076703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.076703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.076703][ T73] netlink_rcv_skb+0x130/0x360 [ 218.076703][ T73] netlink_unicast+0x449/0x710 [ 218.076703][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.076703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.076703][ T73] ___sys_sendmsg+0xee/0x170 [ 218.076703][ T73] __sys_sendmsg+0xcd/0x170 [ 218.076703][ T73] do_syscall_64+0xc6/0x1e0 [ 218.076703][ T73] [ 218.079086][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.079086][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 218.079086][ T73] ipv6_find_idev+0x102/0x170 [ 218.079086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.079086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.079086][ T73] netlink_rcv_skb+0x130/0x360 [ 218.079086][ T73] netlink_unicast+0x449/0x710 [ 218.079086][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.079086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.079086][ T73] ___sys_sendmsg+0xee/0x170 [ 218.079086][ T73] __sys_sendmsg+0xcd/0x170 [ 218.079086][ T73] do_syscall_64+0xc6/0x1e0 [ 218.079086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.079086][ T73] [ 218.080903][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 218.080903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 218.080903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 218.080903][ T73] ipv6_find_idev+0x102/0x170 [ 218.080903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.080903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.080903][ T73] netlink_rcv_skb+0x130/0x360 [ 218.080903][ T73] netlink_unicast+0x449/0x710 [ 218.080903][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.080903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.080903][ T73] ___sys_sendmsg+0xee/0x170 [ 218.080903][ T73] __sys_sendmsg+0xcd/0x170 [ 218.080903][ T73] do_syscall_64+0xc6/0x1e0 [ 218.080903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.080903][ T73] [ 218.082931][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 218.083306][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 218.083306][ T73] netdev_get_by_index+0x5e/0x80 [ 218.083306][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.083306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.083306][ T73] addrconf_f6i_alloc+0x265/0x560 [ 218.083306][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 218.083306][ T73] addrconf_join_anycast+0x1c0/0x220 [ 218.083306][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 218.083306][ T73] addrconf_dad_completed+0x12b/0xe20 [ 218.083306][ T73] addrconf_dad_begin+0x310/0x670 [ 218.083306][ T73] addrconf_dad_work+0x10b/0xab0 [ 218.083306][ T73] process_one_work+0x84d/0x18a0 [ 218.083306][ T73] worker_thread+0x587/0xd30 [ 218.083306][ T73] kthread+0x28a/0x350 [ 218.083306][ T73] ret_from_fork+0x31/0x70 [ 218.083306][ T73] ret_from_fork_asm+0x1a/0x30 [ 218.083306][ T73] [ 218.085461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 218.085461][ T73] netdev_get_by_index+0x5e/0x80 [ 218.085461][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.085461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.085461][ T73] ip6_route_add+0x1c/0x140 [ 218.085461][ T73] addrconf_prefix_route+0x2a6/0x430 [ 218.085461][ T73] inet6_addr_add+0x4f8/0xa40 [ 218.085461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.085461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.085461][ T73] netlink_rcv_skb+0x130/0x360 [ 218.085461][ T73] netlink_unicast+0x449/0x710 [ 218.085461][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.085461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.085461][ T73] ___sys_sendmsg+0xee/0x170 [ 218.085461][ T73] __sys_sendmsg+0xcd/0x170 [ 218.085461][ T73] do_syscall_64+0xc6/0x1e0 [ 218.085461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.085461][ T73] [ 218.087847][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 218.087847][ T73] netdev_get_by_index+0x5e/0x80 [ 218.087847][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.087847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.087847][ T73] addrconf_f6i_alloc+0x315/0x560 [ 218.087847][ T73] ipv6_add_addr+0x411/0x2000 [ 218.087847][ T73] inet6_addr_add+0x30e/0xa40 [ 218.087847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.087847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.087847][ T73] netlink_rcv_skb+0x130/0x360 [ 218.087847][ T73] netlink_unicast+0x449/0x710 [ 218.087847][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.087847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.087847][ T73] ___sys_sendmsg+0xee/0x170 [ 218.087847][ T73] __sys_sendmsg+0xcd/0x170 [ 218.087847][ T73] do_syscall_64+0xc6/0x1e0 [ 218.087847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.087847][ T73] [ 218.090309][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 218.090309][ T73] netdev_get_by_index+0x5e/0x80 [ 218.090309][ T73] fib6_nh_init+0x3d8/0x1580 [ 218.090309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 218.090309][ T73] ip6_route_add+0x1c/0x140 [ 218.090309][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 218.090309][ T73] addrconf_add_dev+0xe2/0x170 [ 218.090309][ T73] inet6_addr_add+0x12f/0xa40 [ 218.090309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 218.090309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.090309][ T73] netlink_rcv_skb+0x130/0x360 [ 218.090309][ T73] netlink_unicast+0x449/0x710 [ 218.090309][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.090309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.090309][ T73] ___sys_sendmsg+0xee/0x170 [ 218.090309][ T73] __sys_sendmsg+0xcd/0x170 [ 218.090309][ T73] do_syscall_64+0xc6/0x1e0 [ 218.090309][ T73] [ 218.092726][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 218.092726][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 218.092726][ T73] ipv6_find_idev+0x102/0x170 [ 218.092726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.092726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.092726][ T73] netlink_rcv_skb+0x130/0x360 [ 218.092726][ T73] netlink_unicast+0x449/0x710 [ 218.092726][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.092726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.092726][ T73] ___sys_sendmsg+0xee/0x170 [ 218.092726][ T73] __sys_sendmsg+0xcd/0x170 [ 218.092726][ T73] do_syscall_64+0xc6/0x1e0 [ 218.092726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.092726][ T73] [ 218.094503][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 218.094503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 218.094503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 218.094503][ T73] ipv6_find_idev+0x102/0x170 [ 218.094503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.094503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.094503][ T73] netlink_rcv_skb+0x130/0x360 [ 218.094503][ T73] netlink_unicast+0x449/0x710 [ 218.094503][ T73] netlink_sendmsg+0x723/0xbe0 [ 218.094503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 218.094503][ T73] ___sys_sendmsg+0xee/0x170 [ 218.094503][ T73] __sys_sendmsg+0xcd/0x170 [ 218.094503][ T73] do_syscall_64+0xc6/0x1e0 [ 218.094503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.094503][ T73] [ 228.214943][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 228.215400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.215400][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 228.215400][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 228.215400][ T73] fib6_nh_init+0xa22/0x1580 [ 228.215400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.215400][ T73] ip6_route_add+0x1c/0x140 [ 228.215400][ T73] inet6_rtm_newroute+0x104/0x110 [ 228.215400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.215400][ T73] netlink_rcv_skb+0x130/0x360 [ 228.215400][ T73] netlink_unicast+0x449/0x710 [ 228.215400][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.215400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.215400][ T73] ___sys_sendmsg+0xee/0x170 [ 228.215400][ T73] __sys_sendmsg+0xcd/0x170 [ 228.215400][ T73] do_syscall_64+0xc6/0x1e0 [ 228.215400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.215400][ T73] [ 228.217413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.217413][ T73] dst_init+0x84/0x4a0 [ 228.217413][ T73] dst_alloc+0x97/0x150 [ 228.217413][ T73] ip6_dst_alloc+0x23/0x90 [ 228.217413][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 228.217413][ T73] ip6_pol_route+0x56f/0x840 [ 228.217413][ T73] fib6_rule_lookup+0x456/0x630 [ 228.217413][ T73] ip6_route_input+0x59c/0xa50 [ 228.217413][ T73] ipv6_rcv+0x397/0x810 [ 228.217413][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 228.217413][ T73] process_backlog+0x101/0x620 [ 228.217413][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 228.217413][ T73] net_rx_action+0x495/0xbe0 [ 228.217413][ T73] __do_softirq+0x1b5/0x7f6 [ 228.217413][ T73] [ 228.219123][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.219123][ T73] netdev_get_by_index+0x5e/0x80 [ 228.219123][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.219123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.219123][ T73] ip6_route_add+0x1c/0x140 [ 228.219123][ T73] addrconf_prefix_route+0x2a6/0x430 [ 228.219123][ T73] inet6_addr_add+0x4f8/0xa40 [ 228.219123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.219123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.219123][ T73] netlink_rcv_skb+0x130/0x360 [ 228.219123][ T73] netlink_unicast+0x449/0x710 [ 228.219123][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.219123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.219123][ T73] ___sys_sendmsg+0xee/0x170 [ 228.219123][ T73] __sys_sendmsg+0xcd/0x170 [ 228.219123][ T73] do_syscall_64+0xc6/0x1e0 [ 228.219123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.219123][ T73] [ 228.221242][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.221242][ T73] netdev_get_by_index+0x5e/0x80 [ 228.221242][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.221242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.221242][ T73] addrconf_f6i_alloc+0x315/0x560 [ 228.221242][ T73] ipv6_add_addr+0x411/0x2000 [ 228.221242][ T73] inet6_addr_add+0x30e/0xa40 [ 228.221242][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.221242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.221242][ T73] netlink_rcv_skb+0x130/0x360 [ 228.221242][ T73] netlink_unicast+0x449/0x710 [ 228.221242][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.221242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.221242][ T73] ___sys_sendmsg+0xee/0x170 [ 228.221242][ T73] __sys_sendmsg+0xcd/0x170 [ 228.221242][ T73] do_syscall_64+0xc6/0x1e0 [ 228.221242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.221242][ T73] [ 228.223373][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.223373][ T73] netdev_get_by_index+0x5e/0x80 [ 228.223373][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.223373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.223373][ T73] ip6_route_add+0x1c/0x140 [ 228.223373][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 228.223373][ T73] addrconf_add_dev+0xe2/0x170 [ 228.223373][ T73] inet6_addr_add+0x12f/0xa40 [ 228.223373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.223373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.223373][ T73] netlink_rcv_skb+0x130/0x360 [ 228.223373][ T73] netlink_unicast+0x449/0x710 [ 228.223373][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.223373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.223373][ T73] ___sys_sendmsg+0xee/0x170 [ 228.223373][ T73] __sys_sendmsg+0xcd/0x170 [ 228.223373][ T73] do_syscall_64+0xc6/0x1e0 [ 228.223373][ T73] [ 228.225438][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.225438][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 228.225438][ T73] ipv6_find_idev+0x102/0x170 [ 228.225438][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.225438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.225438][ T73] netlink_rcv_skb+0x130/0x360 [ 228.225438][ T73] netlink_unicast+0x449/0x710 [ 228.225438][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.225438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.225438][ T73] ___sys_sendmsg+0xee/0x170 [ 228.225438][ T73] __sys_sendmsg+0xcd/0x170 [ 228.225438][ T73] do_syscall_64+0xc6/0x1e0 [ 228.225438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.225438][ T73] [ 228.227043][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 228.227043][ T73] neigh_parms_alloc+0x1e5/0x510 [ 228.227043][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 228.227043][ T73] ipv6_find_idev+0x102/0x170 [ 228.227043][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.227043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.227043][ T73] netlink_rcv_skb+0x130/0x360 [ 228.227043][ T73] netlink_unicast+0x449/0x710 [ 228.227043][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.227043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.227043][ T73] ___sys_sendmsg+0xee/0x170 [ 228.227043][ T73] __sys_sendmsg+0xcd/0x170 [ 228.227043][ T73] do_syscall_64+0xc6/0x1e0 [ 228.227043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.227043][ T73] [ 228.228895][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 228.229210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.229210][ T73] dst_init+0x84/0x4a0 [ 228.229210][ T73] dst_alloc+0x97/0x150 [ 228.229210][ T73] ip6_dst_alloc+0x23/0x90 [ 228.229210][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 228.229210][ T73] ip6_pol_route+0x56f/0x840 [ 228.229210][ T73] fib6_rule_lookup+0x456/0x630 [ 228.229210][ T73] ip6_route_input+0x59c/0xa50 [ 228.229210][ T73] ipv6_rcv+0x397/0x810 [ 228.229210][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 228.229210][ T73] process_backlog+0x101/0x620 [ 228.229210][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 228.229210][ T73] net_rx_action+0x495/0xbe0 [ 228.229210][ T73] __do_softirq+0x1b5/0x7f6 [ 228.229210][ T73] [ 228.230956][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.230956][ T73] netdev_get_by_index+0x5e/0x80 [ 228.230956][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.230956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.230956][ T73] addrconf_f6i_alloc+0x265/0x560 [ 228.230956][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 228.230956][ T73] addrconf_join_anycast+0x1c0/0x220 [ 228.230956][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 228.230956][ T73] addrconf_dad_completed+0x12b/0xe20 [ 228.230956][ T73] addrconf_dad_begin+0x310/0x670 [ 228.230956][ T73] addrconf_dad_work+0x10b/0xab0 [ 228.230956][ T73] process_one_work+0x84d/0x18a0 [ 228.230956][ T73] worker_thread+0x587/0xd30 [ 228.230956][ T73] kthread+0x28a/0x350 [ 228.230956][ T73] ret_from_fork+0x31/0x70 [ 228.230956][ T73] ret_from_fork_asm+0x1a/0x30 [ 228.230956][ T73] [ 228.232976][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.232976][ T73] netdev_get_by_index+0x5e/0x80 [ 228.232976][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.232976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.232976][ T73] ip6_route_add+0x1c/0x140 [ 228.232976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 228.232976][ T73] inet6_addr_add+0x4f8/0xa40 [ 228.232976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.232976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.232976][ T73] netlink_rcv_skb+0x130/0x360 [ 228.232976][ T73] netlink_unicast+0x449/0x710 [ 228.232976][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.232976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.232976][ T73] ___sys_sendmsg+0xee/0x170 [ 228.232976][ T73] __sys_sendmsg+0xcd/0x170 [ 228.232976][ T73] do_syscall_64+0xc6/0x1e0 [ 228.232976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.232976][ T73] [ 228.235076][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.235076][ T73] netdev_get_by_index+0x5e/0x80 [ 228.235076][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.235076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.235076][ T73] addrconf_f6i_alloc+0x315/0x560 [ 228.235076][ T73] ipv6_add_addr+0x411/0x2000 [ 228.235076][ T73] inet6_addr_add+0x30e/0xa40 [ 228.235076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.235076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.235076][ T73] netlink_rcv_skb+0x130/0x360 [ 228.235076][ T73] netlink_unicast+0x449/0x710 [ 228.235076][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.235076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.235076][ T73] ___sys_sendmsg+0xee/0x170 [ 228.235076][ T73] __sys_sendmsg+0xcd/0x170 [ 228.235076][ T73] do_syscall_64+0xc6/0x1e0 [ 228.235076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.235076][ T73] [ 228.237179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.237179][ T73] netdev_get_by_index+0x5e/0x80 [ 228.237179][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.237179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.237179][ T73] ip6_route_add+0x1c/0x140 [ 228.237179][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 228.237179][ T73] addrconf_add_dev+0xe2/0x170 [ 228.237179][ T73] inet6_addr_add+0x12f/0xa40 [ 228.237179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.237179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.237179][ T73] netlink_rcv_skb+0x130/0x360 [ 228.237179][ T73] netlink_unicast+0x449/0x710 [ 228.237179][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.237179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.237179][ T73] ___sys_sendmsg+0xee/0x170 [ 228.237179][ T73] __sys_sendmsg+0xcd/0x170 [ 228.237179][ T73] do_syscall_64+0xc6/0x1e0 [ 228.237179][ T73] [ 228.239230][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.239230][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 228.239230][ T73] ipv6_find_idev+0x102/0x170 [ 228.239230][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.239230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.239230][ T73] netlink_rcv_skb+0x130/0x360 [ 228.239230][ T73] netlink_unicast+0x449/0x710 [ 228.239230][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.239230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.239230][ T73] ___sys_sendmsg+0xee/0x170 [ 228.239230][ T73] __sys_sendmsg+0xcd/0x170 [ 228.239230][ T73] do_syscall_64+0xc6/0x1e0 [ 228.239230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.239230][ T73] [ 228.240779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 228.240779][ T73] neigh_parms_alloc+0x1e5/0x510 [ 228.240779][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 228.240779][ T73] ipv6_find_idev+0x102/0x170 [ 228.240779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.240779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.240779][ T73] netlink_rcv_skb+0x130/0x360 [ 228.240779][ T73] netlink_unicast+0x449/0x710 [ 228.240779][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.240779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.240779][ T73] ___sys_sendmsg+0xee/0x170 [ 228.240779][ T73] __sys_sendmsg+0xcd/0x170 [ 228.240779][ T73] do_syscall_64+0xc6/0x1e0 [ 228.240779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.240779][ T73] [ 228.242626][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 228.242921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.242921][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 228.242921][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 228.242921][ T73] fib6_nh_init+0xa22/0x1580 [ 228.242921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.242921][ T73] ip6_route_add+0x1c/0x140 [ 228.242921][ T73] inet6_rtm_newroute+0x104/0x110 [ 228.242921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.242921][ T73] netlink_rcv_skb+0x130/0x360 [ 228.242921][ T73] netlink_unicast+0x449/0x710 [ 228.242921][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.242921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.242921][ T73] ___sys_sendmsg+0xee/0x170 [ 228.242921][ T73] __sys_sendmsg+0xcd/0x170 [ 228.242921][ T73] do_syscall_64+0xc6/0x1e0 [ 228.242921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.242921][ T73] [ 228.245146][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.245146][ T73] dst_init+0x84/0x4a0 [ 228.245146][ T73] dst_alloc+0x97/0x150 [ 228.245146][ T73] ip6_dst_alloc+0x23/0x90 [ 228.245146][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 228.245146][ T73] ip6_pol_route+0x56f/0x840 [ 228.245146][ T73] fib6_rule_lookup+0x456/0x630 [ 228.245146][ T73] ip6_route_input+0x59c/0xa50 [ 228.245146][ T73] ipv6_rcv+0x397/0x810 [ 228.245146][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 228.245146][ T73] process_backlog+0x101/0x620 [ 228.245146][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 228.245146][ T73] net_rx_action+0x495/0xbe0 [ 228.245146][ T73] __do_softirq+0x1b5/0x7f6 [ 228.245146][ T73] [ 228.246961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.246961][ T73] netdev_get_by_index+0x5e/0x80 [ 228.246961][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.246961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.246961][ T73] ip6_route_add+0x1c/0x140 [ 228.246961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 228.246961][ T73] inet6_addr_add+0x4f8/0xa40 [ 228.246961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.246961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.246961][ T73] netlink_rcv_skb+0x130/0x360 [ 228.246961][ T73] netlink_unicast+0x449/0x710 [ 228.246961][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.246961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.246961][ T73] ___sys_sendmsg+0xee/0x170 [ 228.246961][ T73] __sys_sendmsg+0xcd/0x170 [ 228.246961][ T73] do_syscall_64+0xc6/0x1e0 [ 228.246961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.246961][ T73] [ 228.249302][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.249302][ T73] netdev_get_by_index+0x5e/0x80 [ 228.249302][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.249302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.249302][ T73] addrconf_f6i_alloc+0x315/0x560 [ 228.249302][ T73] ipv6_add_addr+0x411/0x2000 [ 228.249302][ T73] inet6_addr_add+0x30e/0xa40 [ 228.249302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.249302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.249302][ T73] netlink_rcv_skb+0x130/0x360 [ 228.249302][ T73] netlink_unicast+0x449/0x710 [ 228.249302][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.249302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.249302][ T73] ___sys_sendmsg+0xee/0x170 [ 228.249302][ T73] __sys_sendmsg+0xcd/0x170 [ 228.249302][ T73] do_syscall_64+0xc6/0x1e0 [ 228.249302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.249302][ T73] [ 228.251581][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.251581][ T73] netdev_get_by_index+0x5e/0x80 [ 228.251581][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.251581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.251581][ T73] ip6_route_add+0x1c/0x140 [ 228.251581][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 228.251581][ T73] addrconf_add_dev+0xe2/0x170 [ 228.251581][ T73] inet6_addr_add+0x12f/0xa40 [ 228.251581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.251581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.251581][ T73] netlink_rcv_skb+0x130/0x360 [ 228.251581][ T73] netlink_unicast+0x449/0x710 [ 228.251581][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.251581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.251581][ T73] ___sys_sendmsg+0xee/0x170 [ 228.251581][ T73] __sys_sendmsg+0xcd/0x170 [ 228.251581][ T73] do_syscall_64+0xc6/0x1e0 [ 228.251581][ T73] [ 228.253919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.253919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 228.253919][ T73] ipv6_find_idev+0x102/0x170 [ 228.253919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.253919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.253919][ T73] netlink_rcv_skb+0x130/0x360 [ 228.253919][ T73] netlink_unicast+0x449/0x710 [ 228.253919][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.253919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.253919][ T73] ___sys_sendmsg+0xee/0x170 [ 228.253919][ T73] __sys_sendmsg+0xcd/0x170 [ 228.253919][ T73] do_syscall_64+0xc6/0x1e0 [ 228.253919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.253919][ T73] [ 228.255719][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 228.255719][ T73] neigh_parms_alloc+0x1e5/0x510 [ 228.255719][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 228.255719][ T73] ipv6_find_idev+0x102/0x170 [ 228.255719][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.255719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.255719][ T73] netlink_rcv_skb+0x130/0x360 [ 228.255719][ T73] netlink_unicast+0x449/0x710 [ 228.255719][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.255719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.255719][ T73] ___sys_sendmsg+0xee/0x170 [ 228.255719][ T73] __sys_sendmsg+0xcd/0x170 [ 228.255719][ T73] do_syscall_64+0xc6/0x1e0 [ 228.255719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.255719][ T73] [ 228.257698][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 228.258142][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 228.258142][ T73] netdev_get_by_index+0x5e/0x80 [ 228.258142][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.258142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.258142][ T73] addrconf_f6i_alloc+0x265/0x560 [ 228.258142][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 228.258142][ T73] addrconf_join_anycast+0x1c0/0x220 [ 228.258142][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 228.258142][ T73] addrconf_dad_completed+0x12b/0xe20 [ 228.258142][ T73] addrconf_dad_begin+0x310/0x670 [ 228.258142][ T73] addrconf_dad_work+0x10b/0xab0 [ 228.258142][ T73] process_one_work+0x84d/0x18a0 [ 228.258142][ T73] worker_thread+0x587/0xd30 [ 228.258142][ T73] kthread+0x28a/0x350 [ 228.258142][ T73] ret_from_fork+0x31/0x70 [ 228.258142][ T73] ret_from_fork_asm+0x1a/0x30 [ 228.258142][ T73] [ 228.260361][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 228.260361][ T73] netdev_get_by_index+0x5e/0x80 [ 228.260361][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.260361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.260361][ T73] ip6_route_add+0x1c/0x140 [ 228.260361][ T73] addrconf_prefix_route+0x2a6/0x430 [ 228.260361][ T73] inet6_addr_add+0x4f8/0xa40 [ 228.260361][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.260361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.260361][ T73] netlink_rcv_skb+0x130/0x360 [ 228.260361][ T73] netlink_unicast+0x449/0x710 [ 228.260361][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.260361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.260361][ T73] ___sys_sendmsg+0xee/0x170 [ 228.260361][ T73] __sys_sendmsg+0xcd/0x170 [ 228.260361][ T73] do_syscall_64+0xc6/0x1e0 [ 228.260361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.260361][ T73] [ 228.262688][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 228.262688][ T73] netdev_get_by_index+0x5e/0x80 [ 228.262688][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.262688][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.262688][ T73] addrconf_f6i_alloc+0x315/0x560 [ 228.262688][ T73] ipv6_add_addr+0x411/0x2000 [ 228.262688][ T73] inet6_addr_add+0x30e/0xa40 [ 228.262688][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.262688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.262688][ T73] netlink_rcv_skb+0x130/0x360 [ 228.262688][ T73] netlink_unicast+0x449/0x710 [ 228.262688][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.262688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.262688][ T73] ___sys_sendmsg+0xee/0x170 [ 228.262688][ T73] __sys_sendmsg+0xcd/0x170 [ 228.262688][ T73] do_syscall_64+0xc6/0x1e0 [ 228.262688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.262688][ T73] [ 228.265039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 228.265039][ T73] netdev_get_by_index+0x5e/0x80 [ 228.265039][ T73] fib6_nh_init+0x3d8/0x1580 [ 228.265039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 228.265039][ T73] ip6_route_add+0x1c/0x140 [ 228.265039][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 228.265039][ T73] addrconf_add_dev+0xe2/0x170 [ 228.265039][ T73] inet6_addr_add+0x12f/0xa40 [ 228.265039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 228.265039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.265039][ T73] netlink_rcv_skb+0x130/0x360 [ 228.265039][ T73] netlink_unicast+0x449/0x710 [ 228.265039][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.265039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.265039][ T73] ___sys_sendmsg+0xee/0x170 [ 228.265039][ T73] __sys_sendmsg+0xcd/0x170 [ 228.265039][ T73] do_syscall_64+0xc6/0x1e0 [ 228.265039][ T73] [ 228.267344][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 228.267344][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 228.267344][ T73] ipv6_find_idev+0x102/0x170 [ 228.267344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.267344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.267344][ T73] netlink_rcv_skb+0x130/0x360 [ 228.267344][ T73] netlink_unicast+0x449/0x710 [ 228.267344][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.267344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.267344][ T73] ___sys_sendmsg+0xee/0x170 [ 228.267344][ T73] __sys_sendmsg+0xcd/0x170 [ 228.267344][ T73] do_syscall_64+0xc6/0x1e0 [ 228.267344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.267344][ T73] [ 228.269087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 228.269087][ T73] neigh_parms_alloc+0x1e5/0x510 [ 228.269087][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 228.269087][ T73] ipv6_find_idev+0x102/0x170 [ 228.269087][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.269087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.269087][ T73] netlink_rcv_skb+0x130/0x360 [ 228.269087][ T73] netlink_unicast+0x449/0x710 [ 228.269087][ T73] netlink_sendmsg+0x723/0xbe0 [ 228.269087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 228.269087][ T73] ___sys_sendmsg+0xee/0x170 [ 228.269087][ T73] __sys_sendmsg+0xcd/0x170 [ 228.269087][ T73] do_syscall_64+0xc6/0x1e0 [ 228.269087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.269087][ T73] [ 238.526883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 238.527412][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.527412][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 238.527412][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 238.527412][ T73] fib6_nh_init+0xa22/0x1580 [ 238.527412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.527412][ T73] ip6_route_add+0x1c/0x140 [ 238.527412][ T73] inet6_rtm_newroute+0x104/0x110 [ 238.527412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.527412][ T73] netlink_rcv_skb+0x130/0x360 [ 238.527412][ T73] netlink_unicast+0x449/0x710 [ 238.527412][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.527412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.527412][ T73] ___sys_sendmsg+0xee/0x170 [ 238.527412][ T73] __sys_sendmsg+0xcd/0x170 [ 238.527412][ T73] do_syscall_64+0xc6/0x1e0 [ 238.527412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.527412][ T73] [ 238.530479][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.530479][ T73] dst_init+0x84/0x4a0 [ 238.530479][ T73] dst_alloc+0x97/0x150 [ 238.530479][ T73] ip6_dst_alloc+0x23/0x90 [ 238.530479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 238.530479][ T73] ip6_pol_route+0x56f/0x840 [ 238.530479][ T73] fib6_rule_lookup+0x456/0x630 [ 238.530479][ T73] ip6_route_input+0x59c/0xa50 [ 238.530479][ T73] ipv6_rcv+0x397/0x810 [ 238.530479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 238.530479][ T73] process_backlog+0x101/0x620 [ 238.530479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 238.530479][ T73] net_rx_action+0x495/0xbe0 [ 238.530479][ T73] __do_softirq+0x1b5/0x7f6 [ 238.530479][ T73] [ 238.533168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.533168][ T73] netdev_get_by_index+0x5e/0x80 [ 238.533168][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.533168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.533168][ T73] ip6_route_add+0x1c/0x140 [ 238.533168][ T73] addrconf_prefix_route+0x2a6/0x430 [ 238.533168][ T73] inet6_addr_add+0x4f8/0xa40 [ 238.533168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.533168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.533168][ T73] netlink_rcv_skb+0x130/0x360 [ 238.533168][ T73] netlink_unicast+0x449/0x710 [ 238.533168][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.533168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.533168][ T73] ___sys_sendmsg+0xee/0x170 [ 238.533168][ T73] __sys_sendmsg+0xcd/0x170 [ 238.533168][ T73] do_syscall_64+0xc6/0x1e0 [ 238.533168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.533168][ T73] [ 238.536443][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.536443][ T73] netdev_get_by_index+0x5e/0x80 [ 238.536443][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.536443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.536443][ T73] addrconf_f6i_alloc+0x315/0x560 [ 238.536443][ T73] ipv6_add_addr+0x411/0x2000 [ 238.536443][ T73] inet6_addr_add+0x30e/0xa40 [ 238.536443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.536443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.536443][ T73] netlink_rcv_skb+0x130/0x360 [ 238.536443][ T73] netlink_unicast+0x449/0x710 [ 238.536443][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.536443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.536443][ T73] ___sys_sendmsg+0xee/0x170 [ 238.536443][ T73] __sys_sendmsg+0xcd/0x170 [ 238.536443][ T73] do_syscall_64+0xc6/0x1e0 [ 238.536443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.536443][ T73] [ 238.539703][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.539703][ T73] netdev_get_by_index+0x5e/0x80 [ 238.539703][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.539703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.539703][ T73] ip6_route_add+0x1c/0x140 [ 238.539703][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 238.539703][ T73] addrconf_add_dev+0xe2/0x170 [ 238.539703][ T73] inet6_addr_add+0x12f/0xa40 [ 238.539703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.539703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.539703][ T73] netlink_rcv_skb+0x130/0x360 [ 238.539703][ T73] netlink_unicast+0x449/0x710 [ 238.539703][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.539703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.539703][ T73] ___sys_sendmsg+0xee/0x170 [ 238.539703][ T73] __sys_sendmsg+0xcd/0x170 [ 238.539703][ T73] do_syscall_64+0xc6/0x1e0 [ 238.539703][ T73] [ 238.542891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.542891][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 238.542891][ T73] ipv6_find_idev+0x102/0x170 [ 238.542891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.542891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.542891][ T73] netlink_rcv_skb+0x130/0x360 [ 238.542891][ T73] netlink_unicast+0x449/0x710 [ 238.542891][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.542891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.542891][ T73] ___sys_sendmsg+0xee/0x170 [ 238.542891][ T73] __sys_sendmsg+0xcd/0x170 [ 238.542891][ T73] do_syscall_64+0xc6/0x1e0 [ 238.542891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.542891][ T73] [ 238.545409][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 238.545409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 238.545409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 238.545409][ T73] ipv6_find_idev+0x102/0x170 [ 238.545409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.545409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.545409][ T73] netlink_rcv_skb+0x130/0x360 [ 238.545409][ T73] netlink_unicast+0x449/0x710 [ 238.545409][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.545409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.545409][ T73] ___sys_sendmsg+0xee/0x170 [ 238.545409][ T73] __sys_sendmsg+0xcd/0x170 [ 238.545409][ T73] do_syscall_64+0xc6/0x1e0 [ 238.545409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.545409][ T73] [ 238.548196][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 238.548652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.548652][ T73] dst_init+0x84/0x4a0 [ 238.548652][ T73] dst_alloc+0x97/0x150 [ 238.548652][ T73] ip6_dst_alloc+0x23/0x90 [ 238.548652][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 238.548652][ T73] ip6_pol_route+0x56f/0x840 [ 238.548652][ T73] fib6_rule_lookup+0x456/0x630 [ 238.548652][ T73] ip6_route_input+0x59c/0xa50 [ 238.548652][ T73] ipv6_rcv+0x397/0x810 [ 238.548652][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 238.548652][ T73] process_backlog+0x101/0x620 [ 238.548652][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 238.548652][ T73] net_rx_action+0x495/0xbe0 [ 238.548652][ T73] __do_softirq+0x1b5/0x7f6 [ 238.548652][ T73] [ 238.551304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.551304][ T73] netdev_get_by_index+0x5e/0x80 [ 238.551304][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.551304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.551304][ T73] addrconf_f6i_alloc+0x265/0x560 [ 238.551304][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 238.551304][ T73] addrconf_join_anycast+0x1c0/0x220 [ 238.551304][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 238.551304][ T73] addrconf_dad_completed+0x12b/0xe20 [ 238.551304][ T73] addrconf_dad_begin+0x310/0x670 [ 238.551304][ T73] addrconf_dad_work+0x10b/0xab0 [ 238.551304][ T73] process_one_work+0x84d/0x18a0 [ 238.551304][ T73] worker_thread+0x587/0xd30 [ 238.551304][ T73] kthread+0x28a/0x350 [ 238.551304][ T73] ret_from_fork+0x31/0x70 [ 238.551304][ T73] ret_from_fork_asm+0x1a/0x30 [ 238.551304][ T73] [ 238.554385][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.554385][ T73] netdev_get_by_index+0x5e/0x80 [ 238.554385][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.554385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.554385][ T73] ip6_route_add+0x1c/0x140 [ 238.554385][ T73] addrconf_prefix_route+0x2a6/0x430 [ 238.554385][ T73] inet6_addr_add+0x4f8/0xa40 [ 238.554385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.554385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.554385][ T73] netlink_rcv_skb+0x130/0x360 [ 238.554385][ T73] netlink_unicast+0x449/0x710 [ 238.554385][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.554385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.554385][ T73] ___sys_sendmsg+0xee/0x170 [ 238.554385][ T73] __sys_sendmsg+0xcd/0x170 [ 238.554385][ T73] do_syscall_64+0xc6/0x1e0 [ 238.554385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.554385][ T73] [ 238.557630][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.557630][ T73] netdev_get_by_index+0x5e/0x80 [ 238.557630][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.557630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.557630][ T73] addrconf_f6i_alloc+0x315/0x560 [ 238.557630][ T73] ipv6_add_addr+0x411/0x2000 [ 238.557630][ T73] inet6_addr_add+0x30e/0xa40 [ 238.557630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.557630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.557630][ T73] netlink_rcv_skb+0x130/0x360 [ 238.557630][ T73] netlink_unicast+0x449/0x710 [ 238.557630][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.557630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.557630][ T73] ___sys_sendmsg+0xee/0x170 [ 238.557630][ T73] __sys_sendmsg+0xcd/0x170 [ 238.557630][ T73] do_syscall_64+0xc6/0x1e0 [ 238.557630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.557630][ T73] [ 238.560912][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.560912][ T73] netdev_get_by_index+0x5e/0x80 [ 238.560912][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.560912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.560912][ T73] ip6_route_add+0x1c/0x140 [ 238.560912][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 238.560912][ T73] addrconf_add_dev+0xe2/0x170 [ 238.560912][ T73] inet6_addr_add+0x12f/0xa40 [ 238.560912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.560912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.560912][ T73] netlink_rcv_skb+0x130/0x360 [ 238.560912][ T73] netlink_unicast+0x449/0x710 [ 238.560912][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.560912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.560912][ T73] ___sys_sendmsg+0xee/0x170 [ 238.560912][ T73] __sys_sendmsg+0xcd/0x170 [ 238.560912][ T73] do_syscall_64+0xc6/0x1e0 [ 238.560912][ T73] [ 238.564089][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.564089][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 238.564089][ T73] ipv6_find_idev+0x102/0x170 [ 238.564089][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.564089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.564089][ T73] netlink_rcv_skb+0x130/0x360 [ 238.564089][ T73] netlink_unicast+0x449/0x710 [ 238.564089][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.564089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.564089][ T73] ___sys_sendmsg+0xee/0x170 [ 238.564089][ T73] __sys_sendmsg+0xcd/0x170 [ 238.564089][ T73] do_syscall_64+0xc6/0x1e0 [ 238.564089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.564089][ T73] [ 238.566596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 238.566596][ T73] neigh_parms_alloc+0x1e5/0x510 [ 238.566596][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 238.566596][ T73] ipv6_find_idev+0x102/0x170 [ 238.566596][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.566596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.566596][ T73] netlink_rcv_skb+0x130/0x360 [ 238.566596][ T73] netlink_unicast+0x449/0x710 [ 238.566596][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.566596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.566596][ T73] ___sys_sendmsg+0xee/0x170 [ 238.566596][ T73] __sys_sendmsg+0xcd/0x170 [ 238.566596][ T73] do_syscall_64+0xc6/0x1e0 [ 238.566596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.566596][ T73] [ 238.569558][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 238.570126][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.570126][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 238.570126][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 238.570126][ T73] fib6_nh_init+0xa22/0x1580 [ 238.570126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.570126][ T73] ip6_route_add+0x1c/0x140 [ 238.570126][ T73] inet6_rtm_newroute+0x104/0x110 [ 238.570126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.570126][ T73] netlink_rcv_skb+0x130/0x360 [ 238.570126][ T73] netlink_unicast+0x449/0x710 [ 238.570126][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.570126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.570126][ T73] ___sys_sendmsg+0xee/0x170 [ 238.570126][ T73] __sys_sendmsg+0xcd/0x170 [ 238.570126][ T73] do_syscall_64+0xc6/0x1e0 [ 238.570126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.570126][ T73] [ 238.573502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.573502][ T73] dst_init+0x84/0x4a0 [ 238.573502][ T73] dst_alloc+0x97/0x150 [ 238.573502][ T73] ip6_dst_alloc+0x23/0x90 [ 238.573502][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 238.573502][ T73] ip6_pol_route+0x56f/0x840 [ 238.573502][ T73] fib6_rule_lookup+0x456/0x630 [ 238.573502][ T73] ip6_route_input+0x59c/0xa50 [ 238.573502][ T73] ipv6_rcv+0x397/0x810 [ 238.573502][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 238.573502][ T73] process_backlog+0x101/0x620 [ 238.573502][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 238.573502][ T73] net_rx_action+0x495/0xbe0 [ 238.573502][ T73] __do_softirq+0x1b5/0x7f6 [ 238.573502][ T73] [ 238.576489][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.576489][ T73] netdev_get_by_index+0x5e/0x80 [ 238.576489][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.576489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.576489][ T73] ip6_route_add+0x1c/0x140 [ 238.576489][ T73] addrconf_prefix_route+0x2a6/0x430 [ 238.576489][ T73] inet6_addr_add+0x4f8/0xa40 [ 238.576489][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.576489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.576489][ T73] netlink_rcv_skb+0x130/0x360 [ 238.576489][ T73] netlink_unicast+0x449/0x710 [ 238.576489][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.576489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.576489][ T73] ___sys_sendmsg+0xee/0x170 [ 238.576489][ T73] __sys_sendmsg+0xcd/0x170 [ 238.576489][ T73] do_syscall_64+0xc6/0x1e0 [ 238.576489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.576489][ T73] [ 238.580172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.580172][ T73] netdev_get_by_index+0x5e/0x80 [ 238.580172][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.580172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.580172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 238.580172][ T73] ipv6_add_addr+0x411/0x2000 [ 238.580172][ T73] inet6_addr_add+0x30e/0xa40 [ 238.580172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.580172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.580172][ T73] netlink_rcv_skb+0x130/0x360 [ 238.580172][ T73] netlink_unicast+0x449/0x710 [ 238.580172][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.580172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.580172][ T73] ___sys_sendmsg+0xee/0x170 [ 238.580172][ T73] __sys_sendmsg+0xcd/0x170 [ 238.580172][ T73] do_syscall_64+0xc6/0x1e0 [ 238.580172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.580172][ T73] [ 238.583848][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.583848][ T73] netdev_get_by_index+0x5e/0x80 [ 238.583848][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.583848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.583848][ T73] ip6_route_add+0x1c/0x140 [ 238.583848][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 238.583848][ T73] addrconf_add_dev+0xe2/0x170 [ 238.583848][ T73] inet6_addr_add+0x12f/0xa40 [ 238.583848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.583848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.583848][ T73] netlink_rcv_skb+0x130/0x360 [ 238.583848][ T73] netlink_unicast+0x449/0x710 [ 238.583848][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.583848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.583848][ T73] ___sys_sendmsg+0xee/0x170 [ 238.583848][ T73] __sys_sendmsg+0xcd/0x170 [ 238.583848][ T73] do_syscall_64+0xc6/0x1e0 [ 238.583848][ T73] [ 238.587534][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.587534][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 238.587534][ T73] ipv6_find_idev+0x102/0x170 [ 238.587534][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.587534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.587534][ T73] netlink_rcv_skb+0x130/0x360 [ 238.587534][ T73] netlink_unicast+0x449/0x710 [ 238.587534][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.587534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.587534][ T73] ___sys_sendmsg+0xee/0x170 [ 238.587534][ T73] __sys_sendmsg+0xcd/0x170 [ 238.587534][ T73] do_syscall_64+0xc6/0x1e0 [ 238.587534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.587534][ T73] [ 238.590374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 238.590374][ T73] neigh_parms_alloc+0x1e5/0x510 [ 238.590374][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 238.590374][ T73] ipv6_find_idev+0x102/0x170 [ 238.590374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.590374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.590374][ T73] netlink_rcv_skb+0x130/0x360 [ 238.590374][ T73] netlink_unicast+0x449/0x710 [ 238.590374][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.590374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.590374][ T73] ___sys_sendmsg+0xee/0x170 [ 238.590374][ T73] __sys_sendmsg+0xcd/0x170 [ 238.590374][ T73] do_syscall_64+0xc6/0x1e0 [ 238.590374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.590374][ T73] [ 238.593571][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 238.594030][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 238.594030][ T73] netdev_get_by_index+0x5e/0x80 [ 238.594030][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.594030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.594030][ T73] addrconf_f6i_alloc+0x265/0x560 [ 238.594030][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 238.594030][ T73] addrconf_join_anycast+0x1c0/0x220 [ 238.594030][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 238.594030][ T73] addrconf_dad_completed+0x12b/0xe20 [ 238.594030][ T73] addrconf_dad_begin+0x310/0x670 [ 238.594030][ T73] addrconf_dad_work+0x10b/0xab0 [ 238.594030][ T73] process_one_work+0x84d/0x18a0 [ 238.594030][ T73] worker_thread+0x587/0xd30 [ 238.594030][ T73] kthread+0x28a/0x350 [ 238.594030][ T73] ret_from_fork+0x31/0x70 [ 238.594030][ T73] ret_from_fork_asm+0x1a/0x30 [ 238.594030][ T73] [ 238.597574][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 238.597574][ T73] netdev_get_by_index+0x5e/0x80 [ 238.597574][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.597574][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.597574][ T73] ip6_route_add+0x1c/0x140 [ 238.597574][ T73] addrconf_prefix_route+0x2a6/0x430 [ 238.597574][ T73] inet6_addr_add+0x4f8/0xa40 [ 238.597574][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.597574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.597574][ T73] netlink_rcv_skb+0x130/0x360 [ 238.597574][ T73] netlink_unicast+0x449/0x710 [ 238.597574][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.597574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.597574][ T73] ___sys_sendmsg+0xee/0x170 [ 238.597574][ T73] __sys_sendmsg+0xcd/0x170 [ 238.597574][ T73] do_syscall_64+0xc6/0x1e0 [ 238.597574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.597574][ T73] [ 238.601270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 238.601270][ T73] netdev_get_by_index+0x5e/0x80 [ 238.601270][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.601270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.601270][ T73] addrconf_f6i_alloc+0x315/0x560 [ 238.601270][ T73] ipv6_add_addr+0x411/0x2000 [ 238.601270][ T73] inet6_addr_add+0x30e/0xa40 [ 238.601270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.601270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.601270][ T73] netlink_rcv_skb+0x130/0x360 [ 238.601270][ T73] netlink_unicast+0x449/0x710 [ 238.601270][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.601270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.601270][ T73] ___sys_sendmsg+0xee/0x170 [ 238.601270][ T73] __sys_sendmsg+0xcd/0x170 [ 238.601270][ T73] do_syscall_64+0xc6/0x1e0 [ 238.601270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.601270][ T73] [ 238.605070][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 238.605070][ T73] netdev_get_by_index+0x5e/0x80 [ 238.605070][ T73] fib6_nh_init+0x3d8/0x1580 [ 238.605070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 238.605070][ T73] ip6_route_add+0x1c/0x140 [ 238.605070][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 238.605070][ T73] addrconf_add_dev+0xe2/0x170 [ 238.605070][ T73] inet6_addr_add+0x12f/0xa40 [ 238.605070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 238.605070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.605070][ T73] netlink_rcv_skb+0x130/0x360 [ 238.605070][ T73] netlink_unicast+0x449/0x710 [ 238.605070][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.605070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.605070][ T73] ___sys_sendmsg+0xee/0x170 [ 238.605070][ T73] __sys_sendmsg+0xcd/0x170 [ 238.605070][ T73] do_syscall_64+0xc6/0x1e0 [ 238.605070][ T73] [ 238.608574][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 238.608574][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 238.608574][ T73] ipv6_find_idev+0x102/0x170 [ 238.608574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.608574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.608574][ T73] netlink_rcv_skb+0x130/0x360 [ 238.608574][ T73] netlink_unicast+0x449/0x710 [ 238.608574][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.608574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.608574][ T73] ___sys_sendmsg+0xee/0x170 [ 238.608574][ T73] __sys_sendmsg+0xcd/0x170 [ 238.608574][ T73] do_syscall_64+0xc6/0x1e0 [ 238.608574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.608574][ T73] [ 238.611442][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 238.611442][ T73] neigh_parms_alloc+0x1e5/0x510 [ 238.611442][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 238.611442][ T73] ipv6_find_idev+0x102/0x170 [ 238.611442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.611442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.611442][ T73] netlink_rcv_skb+0x130/0x360 [ 238.611442][ T73] netlink_unicast+0x449/0x710 [ 238.611442][ T73] netlink_sendmsg+0x723/0xbe0 [ 238.611442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 238.611442][ T73] ___sys_sendmsg+0xee/0x170 [ 238.611442][ T73] __sys_sendmsg+0xcd/0x170 [ 238.611442][ T73] do_syscall_64+0xc6/0x1e0 [ 238.611442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.611442][ T73] [ 248.654893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 248.655364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.655364][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 248.655364][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 248.655364][ T73] fib6_nh_init+0xa22/0x1580 [ 248.655364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.655364][ T73] ip6_route_add+0x1c/0x140 [ 248.655364][ T73] inet6_rtm_newroute+0x104/0x110 [ 248.655364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.655364][ T73] netlink_rcv_skb+0x130/0x360 [ 248.655364][ T73] netlink_unicast+0x449/0x710 [ 248.655364][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.655364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.655364][ T73] ___sys_sendmsg+0xee/0x170 [ 248.655364][ T73] __sys_sendmsg+0xcd/0x170 [ 248.655364][ T73] do_syscall_64+0xc6/0x1e0 [ 248.655364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.655364][ T73] [ 248.657470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.657470][ T73] dst_init+0x84/0x4a0 [ 248.657470][ T73] dst_alloc+0x97/0x150 [ 248.657470][ T73] ip6_dst_alloc+0x23/0x90 [ 248.657470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 248.657470][ T73] ip6_pol_route+0x56f/0x840 [ 248.657470][ T73] fib6_rule_lookup+0x456/0x630 [ 248.657470][ T73] ip6_route_input+0x59c/0xa50 [ 248.657470][ T73] ipv6_rcv+0x397/0x810 [ 248.657470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 248.657470][ T73] process_backlog+0x101/0x620 [ 248.657470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 248.657470][ T73] net_rx_action+0x495/0xbe0 [ 248.657470][ T73] __do_softirq+0x1b5/0x7f6 [ 248.657470][ T73] [ 248.659210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.659210][ T73] netdev_get_by_index+0x5e/0x80 [ 248.659210][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.659210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.659210][ T73] ip6_route_add+0x1c/0x140 [ 248.659210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 248.659210][ T73] inet6_addr_add+0x4f8/0xa40 [ 248.659210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.659210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.659210][ T73] netlink_rcv_skb+0x130/0x360 [ 248.659210][ T73] netlink_unicast+0x449/0x710 [ 248.659210][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.659210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.659210][ T73] ___sys_sendmsg+0xee/0x170 [ 248.659210][ T73] __sys_sendmsg+0xcd/0x170 [ 248.659210][ T73] do_syscall_64+0xc6/0x1e0 [ 248.659210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.659210][ T73] [ 248.661336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.661336][ T73] netdev_get_by_index+0x5e/0x80 [ 248.661336][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.661336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.661336][ T73] addrconf_f6i_alloc+0x315/0x560 [ 248.661336][ T73] ipv6_add_addr+0x411/0x2000 [ 248.661336][ T73] inet6_addr_add+0x30e/0xa40 [ 248.661336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.661336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.661336][ T73] netlink_rcv_skb+0x130/0x360 [ 248.661336][ T73] netlink_unicast+0x449/0x710 [ 248.661336][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.661336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.661336][ T73] ___sys_sendmsg+0xee/0x170 [ 248.661336][ T73] __sys_sendmsg+0xcd/0x170 [ 248.661336][ T73] do_syscall_64+0xc6/0x1e0 [ 248.661336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.661336][ T73] [ 248.663470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.663470][ T73] netdev_get_by_index+0x5e/0x80 [ 248.663470][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.663470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.663470][ T73] ip6_route_add+0x1c/0x140 [ 248.663470][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 248.663470][ T73] addrconf_add_dev+0xe2/0x170 [ 248.663470][ T73] inet6_addr_add+0x12f/0xa40 [ 248.663470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.663470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.663470][ T73] netlink_rcv_skb+0x130/0x360 [ 248.663470][ T73] netlink_unicast+0x449/0x710 [ 248.663470][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.663470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.663470][ T73] ___sys_sendmsg+0xee/0x170 [ 248.663470][ T73] __sys_sendmsg+0xcd/0x170 [ 248.663470][ T73] do_syscall_64+0xc6/0x1e0 [ 248.663470][ T73] [ 248.665576][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.665576][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 248.665576][ T73] ipv6_find_idev+0x102/0x170 [ 248.665576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.665576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.665576][ T73] netlink_rcv_skb+0x130/0x360 [ 248.665576][ T73] netlink_unicast+0x449/0x710 [ 248.665576][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.665576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.665576][ T73] ___sys_sendmsg+0xee/0x170 [ 248.665576][ T73] __sys_sendmsg+0xcd/0x170 [ 248.665576][ T73] do_syscall_64+0xc6/0x1e0 [ 248.665576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.665576][ T73] [ 248.667211][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 248.667211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 248.667211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 248.667211][ T73] ipv6_find_idev+0x102/0x170 [ 248.667211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.667211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.667211][ T73] netlink_rcv_skb+0x130/0x360 [ 248.667211][ T73] netlink_unicast+0x449/0x710 [ 248.667211][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.667211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.667211][ T73] ___sys_sendmsg+0xee/0x170 [ 248.667211][ T73] __sys_sendmsg+0xcd/0x170 [ 248.667211][ T73] do_syscall_64+0xc6/0x1e0 [ 248.667211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.667211][ T73] [ 248.668950][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 248.669257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.669257][ T73] dst_init+0x84/0x4a0 [ 248.669257][ T73] dst_alloc+0x97/0x150 [ 248.669257][ T73] ip6_dst_alloc+0x23/0x90 [ 248.669257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 248.669257][ T73] ip6_pol_route+0x56f/0x840 [ 248.669257][ T73] fib6_rule_lookup+0x456/0x630 [ 248.669257][ T73] ip6_route_input+0x59c/0xa50 [ 248.669257][ T73] ipv6_rcv+0x397/0x810 [ 248.669257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 248.669257][ T73] process_backlog+0x101/0x620 [ 248.669257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 248.669257][ T73] net_rx_action+0x495/0xbe0 [ 248.669257][ T73] __do_softirq+0x1b5/0x7f6 [ 248.669257][ T73] [ 248.670936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.670936][ T73] netdev_get_by_index+0x5e/0x80 [ 248.670936][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.670936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.670936][ T73] addrconf_f6i_alloc+0x265/0x560 [ 248.670936][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 248.670936][ T73] addrconf_join_anycast+0x1c0/0x220 [ 248.670936][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 248.670936][ T73] addrconf_dad_completed+0x12b/0xe20 [ 248.670936][ T73] addrconf_dad_begin+0x310/0x670 [ 248.670936][ T73] addrconf_dad_work+0x10b/0xab0 [ 248.670936][ T73] process_one_work+0x84d/0x18a0 [ 248.670936][ T73] worker_thread+0x587/0xd30 [ 248.670936][ T73] kthread+0x28a/0x350 [ 248.670936][ T73] ret_from_fork+0x31/0x70 [ 248.670936][ T73] ret_from_fork_asm+0x1a/0x30 [ 248.670936][ T73] [ 248.672956][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.672956][ T73] netdev_get_by_index+0x5e/0x80 [ 248.672956][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.672956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.672956][ T73] ip6_route_add+0x1c/0x140 [ 248.672956][ T73] addrconf_prefix_route+0x2a6/0x430 [ 248.672956][ T73] inet6_addr_add+0x4f8/0xa40 [ 248.672956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.672956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.672956][ T73] netlink_rcv_skb+0x130/0x360 [ 248.672956][ T73] netlink_unicast+0x449/0x710 [ 248.672956][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.672956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.672956][ T73] ___sys_sendmsg+0xee/0x170 [ 248.672956][ T73] __sys_sendmsg+0xcd/0x170 [ 248.672956][ T73] do_syscall_64+0xc6/0x1e0 [ 248.672956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.672956][ T73] [ 248.675092][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.675092][ T73] netdev_get_by_index+0x5e/0x80 [ 248.675092][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.675092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.675092][ T73] addrconf_f6i_alloc+0x315/0x560 [ 248.675092][ T73] ipv6_add_addr+0x411/0x2000 [ 248.675092][ T73] inet6_addr_add+0x30e/0xa40 [ 248.675092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.675092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.675092][ T73] netlink_rcv_skb+0x130/0x360 [ 248.675092][ T73] netlink_unicast+0x449/0x710 [ 248.675092][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.675092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.675092][ T73] ___sys_sendmsg+0xee/0x170 [ 248.675092][ T73] __sys_sendmsg+0xcd/0x170 [ 248.675092][ T73] do_syscall_64+0xc6/0x1e0 [ 248.675092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.675092][ T73] [ 248.677229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.677229][ T73] netdev_get_by_index+0x5e/0x80 [ 248.677229][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.677229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.677229][ T73] ip6_route_add+0x1c/0x140 [ 248.677229][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 248.677229][ T73] addrconf_add_dev+0xe2/0x170 [ 248.677229][ T73] inet6_addr_add+0x12f/0xa40 [ 248.677229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.677229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.677229][ T73] netlink_rcv_skb+0x130/0x360 [ 248.677229][ T73] netlink_unicast+0x449/0x710 [ 248.677229][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.677229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.677229][ T73] ___sys_sendmsg+0xee/0x170 [ 248.677229][ T73] __sys_sendmsg+0xcd/0x170 [ 248.677229][ T73] do_syscall_64+0xc6/0x1e0 [ 248.677229][ T73] [ 248.679321][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.679321][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 248.679321][ T73] ipv6_find_idev+0x102/0x170 [ 248.679321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.679321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.679321][ T73] netlink_rcv_skb+0x130/0x360 [ 248.679321][ T73] netlink_unicast+0x449/0x710 [ 248.679321][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.679321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.679321][ T73] ___sys_sendmsg+0xee/0x170 [ 248.679321][ T73] __sys_sendmsg+0xcd/0x170 [ 248.679321][ T73] do_syscall_64+0xc6/0x1e0 [ 248.679321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.679321][ T73] [ 248.680944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 248.680944][ T73] neigh_parms_alloc+0x1e5/0x510 [ 248.680944][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 248.680944][ T73] ipv6_find_idev+0x102/0x170 [ 248.680944][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.680944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.680944][ T73] netlink_rcv_skb+0x130/0x360 [ 248.680944][ T73] netlink_unicast+0x449/0x710 [ 248.680944][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.680944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.680944][ T73] ___sys_sendmsg+0xee/0x170 [ 248.680944][ T73] __sys_sendmsg+0xcd/0x170 [ 248.680944][ T73] do_syscall_64+0xc6/0x1e0 [ 248.680944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.680944][ T73] [ 248.682898][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 248.683224][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.683224][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 248.683224][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 248.683224][ T73] fib6_nh_init+0xa22/0x1580 [ 248.683224][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.683224][ T73] ip6_route_add+0x1c/0x140 [ 248.683224][ T73] inet6_rtm_newroute+0x104/0x110 [ 248.683224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.683224][ T73] netlink_rcv_skb+0x130/0x360 [ 248.683224][ T73] netlink_unicast+0x449/0x710 [ 248.683224][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.683224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.683224][ T73] ___sys_sendmsg+0xee/0x170 [ 248.683224][ T73] __sys_sendmsg+0xcd/0x170 [ 248.683224][ T73] do_syscall_64+0xc6/0x1e0 [ 248.683224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.683224][ T73] [ 248.685491][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.685491][ T73] dst_init+0x84/0x4a0 [ 248.685491][ T73] dst_alloc+0x97/0x150 [ 248.685491][ T73] ip6_dst_alloc+0x23/0x90 [ 248.685491][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 248.685491][ T73] ip6_pol_route+0x56f/0x840 [ 248.685491][ T73] fib6_rule_lookup+0x456/0x630 [ 248.685491][ T73] ip6_route_input+0x59c/0xa50 [ 248.685491][ T73] ipv6_rcv+0x397/0x810 [ 248.685491][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 248.685491][ T73] process_backlog+0x101/0x620 [ 248.685491][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 248.685491][ T73] net_rx_action+0x495/0xbe0 [ 248.685491][ T73] __do_softirq+0x1b5/0x7f6 [ 248.685491][ T73] [ 248.687421][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.687421][ T73] netdev_get_by_index+0x5e/0x80 [ 248.687421][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.687421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.687421][ T73] ip6_route_add+0x1c/0x140 [ 248.687421][ T73] addrconf_prefix_route+0x2a6/0x430 [ 248.687421][ T73] inet6_addr_add+0x4f8/0xa40 [ 248.687421][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.687421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.687421][ T73] netlink_rcv_skb+0x130/0x360 [ 248.687421][ T73] netlink_unicast+0x449/0x710 [ 248.687421][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.687421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.687421][ T73] ___sys_sendmsg+0xee/0x170 [ 248.687421][ T73] __sys_sendmsg+0xcd/0x170 [ 248.687421][ T73] do_syscall_64+0xc6/0x1e0 [ 248.687421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.687421][ T73] [ 248.690128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.690128][ T73] netdev_get_by_index+0x5e/0x80 [ 248.690128][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.690128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.690128][ T73] addrconf_f6i_alloc+0x315/0x560 [ 248.690128][ T73] ipv6_add_addr+0x411/0x2000 [ 248.690128][ T73] inet6_addr_add+0x30e/0xa40 [ 248.690128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.690128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.690128][ T73] netlink_rcv_skb+0x130/0x360 [ 248.690128][ T73] netlink_unicast+0x449/0x710 [ 248.690128][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.690128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.690128][ T73] ___sys_sendmsg+0xee/0x170 [ 248.690128][ T73] __sys_sendmsg+0xcd/0x170 [ 248.690128][ T73] do_syscall_64+0xc6/0x1e0 [ 248.690128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.690128][ T73] [ 248.692437][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.692437][ T73] netdev_get_by_index+0x5e/0x80 [ 248.692437][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.692437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.692437][ T73] ip6_route_add+0x1c/0x140 [ 248.692437][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 248.692437][ T73] addrconf_add_dev+0xe2/0x170 [ 248.692437][ T73] inet6_addr_add+0x12f/0xa40 [ 248.692437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.692437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.692437][ T73] netlink_rcv_skb+0x130/0x360 [ 248.692437][ T73] netlink_unicast+0x449/0x710 [ 248.692437][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.692437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.692437][ T73] ___sys_sendmsg+0xee/0x170 [ 248.692437][ T73] __sys_sendmsg+0xcd/0x170 [ 248.692437][ T73] do_syscall_64+0xc6/0x1e0 [ 248.692437][ T73] [ 248.694709][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.694709][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 248.694709][ T73] ipv6_find_idev+0x102/0x170 [ 248.694709][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.694709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.694709][ T73] netlink_rcv_skb+0x130/0x360 [ 248.694709][ T73] netlink_unicast+0x449/0x710 [ 248.694709][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.694709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.694709][ T73] ___sys_sendmsg+0xee/0x170 [ 248.694709][ T73] __sys_sendmsg+0xcd/0x170 [ 248.694709][ T73] do_syscall_64+0xc6/0x1e0 [ 248.694709][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.694709][ T73] [ 248.696509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 248.696509][ T73] neigh_parms_alloc+0x1e5/0x510 [ 248.696509][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 248.696509][ T73] ipv6_find_idev+0x102/0x170 [ 248.696509][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.696509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.696509][ T73] netlink_rcv_skb+0x130/0x360 [ 248.696509][ T73] netlink_unicast+0x449/0x710 [ 248.696509][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.696509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.696509][ T73] ___sys_sendmsg+0xee/0x170 [ 248.696509][ T73] __sys_sendmsg+0xcd/0x170 [ 248.696509][ T73] do_syscall_64+0xc6/0x1e0 [ 248.696509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.696509][ T73] [ 248.698582][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 248.699398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 248.699398][ T73] netdev_get_by_index+0x5e/0x80 [ 248.699398][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.699398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.699398][ T73] addrconf_f6i_alloc+0x265/0x560 [ 248.699398][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 248.699398][ T73] addrconf_join_anycast+0x1c0/0x220 [ 248.699398][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 248.699398][ T73] addrconf_dad_completed+0x12b/0xe20 [ 248.699398][ T73] addrconf_dad_begin+0x310/0x670 [ 248.699398][ T73] addrconf_dad_work+0x10b/0xab0 [ 248.699398][ T73] process_one_work+0x84d/0x18a0 [ 248.699398][ T73] worker_thread+0x587/0xd30 [ 248.699398][ T73] kthread+0x28a/0x350 [ 248.699398][ T73] ret_from_fork+0x31/0x70 [ 248.699398][ T73] ret_from_fork_asm+0x1a/0x30 [ 248.699398][ T73] [ 248.701461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 248.701461][ T73] netdev_get_by_index+0x5e/0x80 [ 248.701461][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.701461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.701461][ T73] ip6_route_add+0x1c/0x140 [ 248.701461][ T73] addrconf_prefix_route+0x2a6/0x430 [ 248.701461][ T73] inet6_addr_add+0x4f8/0xa40 [ 248.701461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.701461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.701461][ T73] netlink_rcv_skb+0x130/0x360 [ 248.701461][ T73] netlink_unicast+0x449/0x710 [ 248.701461][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.701461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.701461][ T73] ___sys_sendmsg+0xee/0x170 [ 248.701461][ T73] __sys_sendmsg+0xcd/0x170 [ 248.701461][ T73] do_syscall_64+0xc6/0x1e0 [ 248.701461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.701461][ T73] [ 248.703673][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 248.703673][ T73] netdev_get_by_index+0x5e/0x80 [ 248.703673][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.703673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.703673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 248.703673][ T73] ipv6_add_addr+0x411/0x2000 [ 248.703673][ T73] inet6_addr_add+0x30e/0xa40 [ 248.703673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.703673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.703673][ T73] netlink_rcv_skb+0x130/0x360 [ 248.703673][ T73] netlink_unicast+0x449/0x710 [ 248.703673][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.703673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.703673][ T73] ___sys_sendmsg+0xee/0x170 [ 248.703673][ T73] __sys_sendmsg+0xcd/0x170 [ 248.703673][ T73] do_syscall_64+0xc6/0x1e0 [ 248.703673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.703673][ T73] [ 248.706043][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 248.706043][ T73] netdev_get_by_index+0x5e/0x80 [ 248.706043][ T73] fib6_nh_init+0x3d8/0x1580 [ 248.706043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 248.706043][ T73] ip6_route_add+0x1c/0x140 [ 248.706043][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 248.706043][ T73] addrconf_add_dev+0xe2/0x170 [ 248.706043][ T73] inet6_addr_add+0x12f/0xa40 [ 248.706043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 248.706043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.706043][ T73] netlink_rcv_skb+0x130/0x360 [ 248.706043][ T73] netlink_unicast+0x449/0x710 [ 248.706043][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.706043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.706043][ T73] ___sys_sendmsg+0xee/0x170 [ 248.706043][ T73] __sys_sendmsg+0xcd/0x170 [ 248.706043][ T73] do_syscall_64+0xc6/0x1e0 [ 248.706043][ T73] [ 248.708305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 248.708305][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 248.708305][ T73] ipv6_find_idev+0x102/0x170 [ 248.708305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.708305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.708305][ T73] netlink_rcv_skb+0x130/0x360 [ 248.708305][ T73] netlink_unicast+0x449/0x710 [ 248.708305][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.708305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.708305][ T73] ___sys_sendmsg+0xee/0x170 [ 248.708305][ T73] __sys_sendmsg+0xcd/0x170 [ 248.708305][ T73] do_syscall_64+0xc6/0x1e0 [ 248.708305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.708305][ T73] [ 248.710068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 248.710068][ T73] neigh_parms_alloc+0x1e5/0x510 [ 248.710068][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 248.710068][ T73] ipv6_find_idev+0x102/0x170 [ 248.710068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.710068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.710068][ T73] netlink_rcv_skb+0x130/0x360 [ 248.710068][ T73] netlink_unicast+0x449/0x710 [ 248.710068][ T73] netlink_sendmsg+0x723/0xbe0 [ 248.710068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 248.710068][ T73] ___sys_sendmsg+0xee/0x170 [ 248.710068][ T73] __sys_sendmsg+0xcd/0x170 [ 248.710068][ T73] do_syscall_64+0xc6/0x1e0 [ 248.710068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.710068][ T73] [ 258.950892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 258.951402][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.951402][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 258.951402][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 258.951402][ T73] fib6_nh_init+0xa22/0x1580 [ 258.951402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.951402][ T73] ip6_route_add+0x1c/0x140 [ 258.951402][ T73] inet6_rtm_newroute+0x104/0x110 [ 258.951402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.951402][ T73] netlink_rcv_skb+0x130/0x360 [ 258.951402][ T73] netlink_unicast+0x449/0x710 [ 258.951402][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.951402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.951402][ T73] ___sys_sendmsg+0xee/0x170 [ 258.951402][ T73] __sys_sendmsg+0xcd/0x170 [ 258.951402][ T73] do_syscall_64+0xc6/0x1e0 [ 258.951402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.951402][ T73] [ 258.953303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.953303][ T73] dst_init+0x84/0x4a0 [ 258.953303][ T73] dst_alloc+0x97/0x150 [ 258.953303][ T73] ip6_dst_alloc+0x23/0x90 [ 258.953303][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 258.953303][ T73] ip6_pol_route+0x56f/0x840 [ 258.953303][ T73] fib6_rule_lookup+0x456/0x630 [ 258.953303][ T73] ip6_route_input+0x59c/0xa50 [ 258.953303][ T73] ipv6_rcv+0x397/0x810 [ 258.953303][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 258.953303][ T73] process_backlog+0x101/0x620 [ 258.953303][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 258.953303][ T73] net_rx_action+0x495/0xbe0 [ 258.953303][ T73] __do_softirq+0x1b5/0x7f6 [ 258.953303][ T73] [ 258.954942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.954942][ T73] netdev_get_by_index+0x5e/0x80 [ 258.954942][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.954942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.954942][ T73] ip6_route_add+0x1c/0x140 [ 258.954942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 258.954942][ T73] inet6_addr_add+0x4f8/0xa40 [ 258.954942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.954942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.954942][ T73] netlink_rcv_skb+0x130/0x360 [ 258.954942][ T73] netlink_unicast+0x449/0x710 [ 258.954942][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.954942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.954942][ T73] ___sys_sendmsg+0xee/0x170 [ 258.954942][ T73] __sys_sendmsg+0xcd/0x170 [ 258.954942][ T73] do_syscall_64+0xc6/0x1e0 [ 258.954942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.954942][ T73] [ 258.956946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.956946][ T73] netdev_get_by_index+0x5e/0x80 [ 258.956946][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.956946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.956946][ T73] addrconf_f6i_alloc+0x315/0x560 [ 258.956946][ T73] ipv6_add_addr+0x411/0x2000 [ 258.956946][ T73] inet6_addr_add+0x30e/0xa40 [ 258.956946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.956946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.956946][ T73] netlink_rcv_skb+0x130/0x360 [ 258.956946][ T73] netlink_unicast+0x449/0x710 [ 258.956946][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.956946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.956946][ T73] ___sys_sendmsg+0xee/0x170 [ 258.956946][ T73] __sys_sendmsg+0xcd/0x170 [ 258.956946][ T73] do_syscall_64+0xc6/0x1e0 [ 258.956946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.956946][ T73] [ 258.958945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.958945][ T73] netdev_get_by_index+0x5e/0x80 [ 258.958945][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.958945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.958945][ T73] ip6_route_add+0x1c/0x140 [ 258.958945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 258.958945][ T73] addrconf_add_dev+0xe2/0x170 [ 258.958945][ T73] inet6_addr_add+0x12f/0xa40 [ 258.958945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.958945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.958945][ T73] netlink_rcv_skb+0x130/0x360 [ 258.958945][ T73] netlink_unicast+0x449/0x710 [ 258.958945][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.958945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.958945][ T73] ___sys_sendmsg+0xee/0x170 [ 258.958945][ T73] __sys_sendmsg+0xcd/0x170 [ 258.958945][ T73] do_syscall_64+0xc6/0x1e0 [ 258.958945][ T73] [ 258.960937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.960937][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 258.960937][ T73] ipv6_find_idev+0x102/0x170 [ 258.960937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.960937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.960937][ T73] netlink_rcv_skb+0x130/0x360 [ 258.960937][ T73] netlink_unicast+0x449/0x710 [ 258.960937][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.960937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.960937][ T73] ___sys_sendmsg+0xee/0x170 [ 258.960937][ T73] __sys_sendmsg+0xcd/0x170 [ 258.960937][ T73] do_syscall_64+0xc6/0x1e0 [ 258.960937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.960937][ T73] [ 258.962480][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 258.962480][ T73] neigh_parms_alloc+0x1e5/0x510 [ 258.962480][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 258.962480][ T73] ipv6_find_idev+0x102/0x170 [ 258.962480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.962480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.962480][ T73] netlink_rcv_skb+0x130/0x360 [ 258.962480][ T73] netlink_unicast+0x449/0x710 [ 258.962480][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.962480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.962480][ T73] ___sys_sendmsg+0xee/0x170 [ 258.962480][ T73] __sys_sendmsg+0xcd/0x170 [ 258.962480][ T73] do_syscall_64+0xc6/0x1e0 [ 258.962480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.962480][ T73] [ 258.964198][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 258.964470][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.964470][ T73] dst_init+0x84/0x4a0 [ 258.964470][ T73] dst_alloc+0x97/0x150 [ 258.964470][ T73] ip6_dst_alloc+0x23/0x90 [ 258.964470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 258.964470][ T73] ip6_pol_route+0x56f/0x840 [ 258.964470][ T73] fib6_rule_lookup+0x456/0x630 [ 258.964470][ T73] ip6_route_input+0x59c/0xa50 [ 258.964470][ T73] ipv6_rcv+0x397/0x810 [ 258.964470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 258.964470][ T73] process_backlog+0x101/0x620 [ 258.964470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 258.964470][ T73] net_rx_action+0x495/0xbe0 [ 258.964470][ T73] __do_softirq+0x1b5/0x7f6 [ 258.964470][ T73] [ 258.966139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.966139][ T73] netdev_get_by_index+0x5e/0x80 [ 258.966139][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.966139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.966139][ T73] addrconf_f6i_alloc+0x265/0x560 [ 258.966139][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 258.966139][ T73] addrconf_join_anycast+0x1c0/0x220 [ 258.966139][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 258.966139][ T73] addrconf_dad_completed+0x12b/0xe20 [ 258.966139][ T73] addrconf_dad_begin+0x310/0x670 [ 258.966139][ T73] addrconf_dad_work+0x10b/0xab0 [ 258.966139][ T73] process_one_work+0x84d/0x18a0 [ 258.966139][ T73] worker_thread+0x587/0xd30 [ 258.966139][ T73] kthread+0x28a/0x350 [ 258.966139][ T73] ret_from_fork+0x31/0x70 [ 258.966139][ T73] ret_from_fork_asm+0x1a/0x30 [ 258.966139][ T73] [ 258.968048][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.968048][ T73] netdev_get_by_index+0x5e/0x80 [ 258.968048][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.968048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.968048][ T73] ip6_route_add+0x1c/0x140 [ 258.968048][ T73] addrconf_prefix_route+0x2a6/0x430 [ 258.968048][ T73] inet6_addr_add+0x4f8/0xa40 [ 258.968048][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.968048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.968048][ T73] netlink_rcv_skb+0x130/0x360 [ 258.968048][ T73] netlink_unicast+0x449/0x710 [ 258.968048][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.968048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.968048][ T73] ___sys_sendmsg+0xee/0x170 [ 258.968048][ T73] __sys_sendmsg+0xcd/0x170 [ 258.968048][ T73] do_syscall_64+0xc6/0x1e0 [ 258.968048][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.968048][ T73] [ 258.970060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.970060][ T73] netdev_get_by_index+0x5e/0x80 [ 258.970060][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.970060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.970060][ T73] addrconf_f6i_alloc+0x315/0x560 [ 258.970060][ T73] ipv6_add_addr+0x411/0x2000 [ 258.970060][ T73] inet6_addr_add+0x30e/0xa40 [ 258.970060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.970060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.970060][ T73] netlink_rcv_skb+0x130/0x360 [ 258.970060][ T73] netlink_unicast+0x449/0x710 [ 258.970060][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.970060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.970060][ T73] ___sys_sendmsg+0xee/0x170 [ 258.970060][ T73] __sys_sendmsg+0xcd/0x170 [ 258.970060][ T73] do_syscall_64+0xc6/0x1e0 [ 258.970060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.970060][ T73] [ 258.972057][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.972057][ T73] netdev_get_by_index+0x5e/0x80 [ 258.972057][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.972057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.972057][ T73] ip6_route_add+0x1c/0x140 [ 258.972057][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 258.972057][ T73] addrconf_add_dev+0xe2/0x170 [ 258.972057][ T73] inet6_addr_add+0x12f/0xa40 [ 258.972057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.972057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.972057][ T73] netlink_rcv_skb+0x130/0x360 [ 258.972057][ T73] netlink_unicast+0x449/0x710 [ 258.972057][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.972057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.972057][ T73] ___sys_sendmsg+0xee/0x170 [ 258.972057][ T73] __sys_sendmsg+0xcd/0x170 [ 258.972057][ T73] do_syscall_64+0xc6/0x1e0 [ 258.972057][ T73] [ 258.974029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.974029][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 258.974029][ T73] ipv6_find_idev+0x102/0x170 [ 258.974029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.974029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.974029][ T73] netlink_rcv_skb+0x130/0x360 [ 258.974029][ T73] netlink_unicast+0x449/0x710 [ 258.974029][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.974029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.974029][ T73] ___sys_sendmsg+0xee/0x170 [ 258.974029][ T73] __sys_sendmsg+0xcd/0x170 [ 258.974029][ T73] do_syscall_64+0xc6/0x1e0 [ 258.974029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.974029][ T73] [ 258.975566][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 258.975566][ T73] neigh_parms_alloc+0x1e5/0x510 [ 258.975566][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 258.975566][ T73] ipv6_find_idev+0x102/0x170 [ 258.975566][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.975566][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.975566][ T73] netlink_rcv_skb+0x130/0x360 [ 258.975566][ T73] netlink_unicast+0x449/0x710 [ 258.975566][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.975566][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.975566][ T73] ___sys_sendmsg+0xee/0x170 [ 258.975566][ T73] __sys_sendmsg+0xcd/0x170 [ 258.975566][ T73] do_syscall_64+0xc6/0x1e0 [ 258.975566][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.975566][ T73] [ 258.977328][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 258.977596][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.977596][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 258.977596][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 258.977596][ T73] fib6_nh_init+0xa22/0x1580 [ 258.977596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.977596][ T73] ip6_route_add+0x1c/0x140 [ 258.977596][ T73] inet6_rtm_newroute+0x104/0x110 [ 258.977596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.977596][ T73] netlink_rcv_skb+0x130/0x360 [ 258.977596][ T73] netlink_unicast+0x449/0x710 [ 258.977596][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.977596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.977596][ T73] ___sys_sendmsg+0xee/0x170 [ 258.977596][ T73] __sys_sendmsg+0xcd/0x170 [ 258.977596][ T73] do_syscall_64+0xc6/0x1e0 [ 258.977596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.977596][ T73] [ 258.979779][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.979779][ T73] dst_init+0x84/0x4a0 [ 258.979779][ T73] dst_alloc+0x97/0x150 [ 258.979779][ T73] ip6_dst_alloc+0x23/0x90 [ 258.979779][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 258.979779][ T73] ip6_pol_route+0x56f/0x840 [ 258.979779][ T73] fib6_rule_lookup+0x456/0x630 [ 258.979779][ T73] ip6_route_input+0x59c/0xa50 [ 258.979779][ T73] ipv6_rcv+0x397/0x810 [ 258.979779][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 258.979779][ T73] process_backlog+0x101/0x620 [ 258.979779][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 258.979779][ T73] net_rx_action+0x495/0xbe0 [ 258.979779][ T73] __do_softirq+0x1b5/0x7f6 [ 258.979779][ T73] [ 258.981587][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.981587][ T73] netdev_get_by_index+0x5e/0x80 [ 258.981587][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.981587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.981587][ T73] ip6_route_add+0x1c/0x140 [ 258.981587][ T73] addrconf_prefix_route+0x2a6/0x430 [ 258.981587][ T73] inet6_addr_add+0x4f8/0xa40 [ 258.981587][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.981587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.981587][ T73] netlink_rcv_skb+0x130/0x360 [ 258.981587][ T73] netlink_unicast+0x449/0x710 [ 258.981587][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.981587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.981587][ T73] ___sys_sendmsg+0xee/0x170 [ 258.981587][ T73] __sys_sendmsg+0xcd/0x170 [ 258.981587][ T73] do_syscall_64+0xc6/0x1e0 [ 258.981587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.981587][ T73] [ 258.983819][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.983819][ T73] netdev_get_by_index+0x5e/0x80 [ 258.983819][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.983819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.983819][ T73] addrconf_f6i_alloc+0x315/0x560 [ 258.983819][ T73] ipv6_add_addr+0x411/0x2000 [ 258.983819][ T73] inet6_addr_add+0x30e/0xa40 [ 258.983819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.983819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.983819][ T73] netlink_rcv_skb+0x130/0x360 [ 258.983819][ T73] netlink_unicast+0x449/0x710 [ 258.983819][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.983819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.983819][ T73] ___sys_sendmsg+0xee/0x170 [ 258.983819][ T73] __sys_sendmsg+0xcd/0x170 [ 258.983819][ T73] do_syscall_64+0xc6/0x1e0 [ 258.983819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.983819][ T73] [ 258.986054][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.986054][ T73] netdev_get_by_index+0x5e/0x80 [ 258.986054][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.986054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.986054][ T73] ip6_route_add+0x1c/0x140 [ 258.986054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 258.986054][ T73] addrconf_add_dev+0xe2/0x170 [ 258.986054][ T73] inet6_addr_add+0x12f/0xa40 [ 258.986054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.986054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.986054][ T73] netlink_rcv_skb+0x130/0x360 [ 258.986054][ T73] netlink_unicast+0x449/0x710 [ 258.986054][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.986054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.986054][ T73] ___sys_sendmsg+0xee/0x170 [ 258.986054][ T73] __sys_sendmsg+0xcd/0x170 [ 258.986054][ T73] do_syscall_64+0xc6/0x1e0 [ 258.986054][ T73] [ 258.988313][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.988313][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 258.988313][ T73] ipv6_find_idev+0x102/0x170 [ 258.988313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.988313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.988313][ T73] netlink_rcv_skb+0x130/0x360 [ 258.988313][ T73] netlink_unicast+0x449/0x710 [ 258.988313][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.988313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.988313][ T73] ___sys_sendmsg+0xee/0x170 [ 258.988313][ T73] __sys_sendmsg+0xcd/0x170 [ 258.988313][ T73] do_syscall_64+0xc6/0x1e0 [ 258.988313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.988313][ T73] [ 258.990043][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 258.990043][ T73] neigh_parms_alloc+0x1e5/0x510 [ 258.990043][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 258.990043][ T73] ipv6_find_idev+0x102/0x170 [ 258.990043][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.990043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.990043][ T73] netlink_rcv_skb+0x130/0x360 [ 258.990043][ T73] netlink_unicast+0x449/0x710 [ 258.990043][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.990043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.990043][ T73] ___sys_sendmsg+0xee/0x170 [ 258.990043][ T73] __sys_sendmsg+0xcd/0x170 [ 258.990043][ T73] do_syscall_64+0xc6/0x1e0 [ 258.990043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.990043][ T73] [ 258.991914][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 258.992187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 258.992187][ T73] netdev_get_by_index+0x5e/0x80 [ 258.992187][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.992187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.992187][ T73] addrconf_f6i_alloc+0x265/0x560 [ 258.992187][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 258.992187][ T73] addrconf_join_anycast+0x1c0/0x220 [ 258.992187][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 258.992187][ T73] addrconf_dad_completed+0x12b/0xe20 [ 258.992187][ T73] addrconf_dad_begin+0x310/0x670 [ 258.992187][ T73] addrconf_dad_work+0x10b/0xab0 [ 258.992187][ T73] process_one_work+0x84d/0x18a0 [ 258.992187][ T73] worker_thread+0x587/0xd30 [ 258.992187][ T73] kthread+0x28a/0x350 [ 258.992187][ T73] ret_from_fork+0x31/0x70 [ 258.992187][ T73] ret_from_fork_asm+0x1a/0x30 [ 258.992187][ T73] [ 258.994369][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 258.994369][ T73] netdev_get_by_index+0x5e/0x80 [ 258.994369][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.994369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.994369][ T73] ip6_route_add+0x1c/0x140 [ 258.994369][ T73] addrconf_prefix_route+0x2a6/0x430 [ 258.994369][ T73] inet6_addr_add+0x4f8/0xa40 [ 258.994369][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.994369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.994369][ T73] netlink_rcv_skb+0x130/0x360 [ 258.994369][ T73] netlink_unicast+0x449/0x710 [ 258.994369][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.994369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.994369][ T73] ___sys_sendmsg+0xee/0x170 [ 258.994369][ T73] __sys_sendmsg+0xcd/0x170 [ 258.994369][ T73] do_syscall_64+0xc6/0x1e0 [ 258.994369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.994369][ T73] [ 258.996599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 258.996599][ T73] netdev_get_by_index+0x5e/0x80 [ 258.996599][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.996599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.996599][ T73] addrconf_f6i_alloc+0x315/0x560 [ 258.996599][ T73] ipv6_add_addr+0x411/0x2000 [ 258.996599][ T73] inet6_addr_add+0x30e/0xa40 [ 258.996599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.996599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.996599][ T73] netlink_rcv_skb+0x130/0x360 [ 258.996599][ T73] netlink_unicast+0x449/0x710 [ 258.996599][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.996599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.996599][ T73] ___sys_sendmsg+0xee/0x170 [ 258.996599][ T73] __sys_sendmsg+0xcd/0x170 [ 258.996599][ T73] do_syscall_64+0xc6/0x1e0 [ 258.996599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.996599][ T73] [ 258.998892][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 258.998892][ T73] netdev_get_by_index+0x5e/0x80 [ 258.998892][ T73] fib6_nh_init+0x3d8/0x1580 [ 258.998892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 258.998892][ T73] ip6_route_add+0x1c/0x140 [ 258.998892][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 258.998892][ T73] addrconf_add_dev+0xe2/0x170 [ 258.998892][ T73] inet6_addr_add+0x12f/0xa40 [ 258.998892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 258.998892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.998892][ T73] netlink_rcv_skb+0x130/0x360 [ 258.998892][ T73] netlink_unicast+0x449/0x710 [ 258.998892][ T73] netlink_sendmsg+0x723/0xbe0 [ 258.998892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 258.998892][ T73] ___sys_sendmsg+0xee/0x170 [ 258.998892][ T73] __sys_sendmsg+0xcd/0x170 [ 258.998892][ T73] do_syscall_64+0xc6/0x1e0 [ 258.998892][ T73] [ 259.001035][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 259.001035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 259.001035][ T73] ipv6_find_idev+0x102/0x170 [ 259.001035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.001035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.001035][ T73] netlink_rcv_skb+0x130/0x360 [ 259.001035][ T73] netlink_unicast+0x449/0x710 [ 259.001035][ T73] netlink_sendmsg+0x723/0xbe0 [ 259.001035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 259.001035][ T73] ___sys_sendmsg+0xee/0x170 [ 259.001035][ T73] __sys_sendmsg+0xcd/0x170 [ 259.001035][ T73] do_syscall_64+0xc6/0x1e0 [ 259.001035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.001035][ T73] [ 259.002759][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 259.002759][ T73] neigh_parms_alloc+0x1e5/0x510 [ 259.002759][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 259.002759][ T73] ipv6_find_idev+0x102/0x170 [ 259.002759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.002759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.002759][ T73] netlink_rcv_skb+0x130/0x360 [ 259.002759][ T73] netlink_unicast+0x449/0x710 [ 259.002759][ T73] netlink_sendmsg+0x723/0xbe0 [ 259.002759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 259.002759][ T73] ___sys_sendmsg+0xee/0x170 [ 259.002759][ T73] __sys_sendmsg+0xcd/0x170 [ 259.002759][ T73] do_syscall_64+0xc6/0x1e0 [ 259.002759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.002759][ T73] [ 269.246867][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 269.247520][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.247520][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 269.247520][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 269.247520][ T73] fib6_nh_init+0xa22/0x1580 [ 269.247520][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.247520][ T73] ip6_route_add+0x1c/0x140 [ 269.247520][ T73] inet6_rtm_newroute+0x104/0x110 [ 269.247520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.247520][ T73] netlink_rcv_skb+0x130/0x360 [ 269.247520][ T73] netlink_unicast+0x449/0x710 [ 269.247520][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.247520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.247520][ T73] ___sys_sendmsg+0xee/0x170 [ 269.247520][ T73] __sys_sendmsg+0xcd/0x170 [ 269.247520][ T73] do_syscall_64+0xc6/0x1e0 [ 269.247520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.247520][ T73] [ 269.250478][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.250478][ T73] dst_init+0x84/0x4a0 [ 269.250478][ T73] dst_alloc+0x97/0x150 [ 269.250478][ T73] ip6_dst_alloc+0x23/0x90 [ 269.250478][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 269.250478][ T73] ip6_pol_route+0x56f/0x840 [ 269.250478][ T73] fib6_rule_lookup+0x456/0x630 [ 269.250478][ T73] ip6_route_input+0x59c/0xa50 [ 269.250478][ T73] ipv6_rcv+0x397/0x810 [ 269.250478][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 269.250478][ T73] process_backlog+0x101/0x620 [ 269.250478][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 269.250478][ T73] net_rx_action+0x495/0xbe0 [ 269.250478][ T73] __do_softirq+0x1b5/0x7f6 [ 269.250478][ T73] [ 269.252966][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.252966][ T73] netdev_get_by_index+0x5e/0x80 [ 269.252966][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.252966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.252966][ T73] ip6_route_add+0x1c/0x140 [ 269.252966][ T73] addrconf_prefix_route+0x2a6/0x430 [ 269.252966][ T73] inet6_addr_add+0x4f8/0xa40 [ 269.252966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.252966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.252966][ T73] netlink_rcv_skb+0x130/0x360 [ 269.252966][ T73] netlink_unicast+0x449/0x710 [ 269.252966][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.252966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.252966][ T73] ___sys_sendmsg+0xee/0x170 [ 269.252966][ T73] __sys_sendmsg+0xcd/0x170 [ 269.252966][ T73] do_syscall_64+0xc6/0x1e0 [ 269.252966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.252966][ T73] [ 269.255976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.255976][ T73] netdev_get_by_index+0x5e/0x80 [ 269.255976][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.255976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.255976][ T73] addrconf_f6i_alloc+0x315/0x560 [ 269.255976][ T73] ipv6_add_addr+0x411/0x2000 [ 269.255976][ T73] inet6_addr_add+0x30e/0xa40 [ 269.255976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.255976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.255976][ T73] netlink_rcv_skb+0x130/0x360 [ 269.255976][ T73] netlink_unicast+0x449/0x710 [ 269.255976][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.255976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.255976][ T73] ___sys_sendmsg+0xee/0x170 [ 269.255976][ T73] __sys_sendmsg+0xcd/0x170 [ 269.255976][ T73] do_syscall_64+0xc6/0x1e0 [ 269.255976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.255976][ T73] [ 269.258959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.258959][ T73] netdev_get_by_index+0x5e/0x80 [ 269.258959][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.258959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.258959][ T73] ip6_route_add+0x1c/0x140 [ 269.258959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 269.258959][ T73] addrconf_add_dev+0xe2/0x170 [ 269.258959][ T73] inet6_addr_add+0x12f/0xa40 [ 269.258959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.258959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.258959][ T73] netlink_rcv_skb+0x130/0x360 [ 269.258959][ T73] netlink_unicast+0x449/0x710 [ 269.258959][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.258959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.258959][ T73] ___sys_sendmsg+0xee/0x170 [ 269.258959][ T73] __sys_sendmsg+0xcd/0x170 [ 269.258959][ T73] do_syscall_64+0xc6/0x1e0 [ 269.258959][ T73] [ 269.262080][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.262080][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 269.262080][ T73] ipv6_find_idev+0x102/0x170 [ 269.262080][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.262080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.262080][ T73] netlink_rcv_skb+0x130/0x360 [ 269.262080][ T73] netlink_unicast+0x449/0x710 [ 269.262080][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.262080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.262080][ T73] ___sys_sendmsg+0xee/0x170 [ 269.262080][ T73] __sys_sendmsg+0xcd/0x170 [ 269.262080][ T73] do_syscall_64+0xc6/0x1e0 [ 269.262080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.262080][ T73] [ 269.264465][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 269.264465][ T73] neigh_parms_alloc+0x1e5/0x510 [ 269.264465][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 269.264465][ T73] ipv6_find_idev+0x102/0x170 [ 269.264465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.264465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.264465][ T73] netlink_rcv_skb+0x130/0x360 [ 269.264465][ T73] netlink_unicast+0x449/0x710 [ 269.264465][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.264465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.264465][ T73] ___sys_sendmsg+0xee/0x170 [ 269.264465][ T73] __sys_sendmsg+0xcd/0x170 [ 269.264465][ T73] do_syscall_64+0xc6/0x1e0 [ 269.264465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.264465][ T73] [ 269.267160][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 269.267600][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.267600][ T73] dst_init+0x84/0x4a0 [ 269.267600][ T73] dst_alloc+0x97/0x150 [ 269.267600][ T73] ip6_dst_alloc+0x23/0x90 [ 269.267600][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 269.267600][ T73] ip6_pol_route+0x56f/0x840 [ 269.267600][ T73] fib6_rule_lookup+0x456/0x630 [ 269.267600][ T73] ip6_route_input+0x59c/0xa50 [ 269.267600][ T73] ipv6_rcv+0x397/0x810 [ 269.267600][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 269.267600][ T73] process_backlog+0x101/0x620 [ 269.267600][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 269.267600][ T73] net_rx_action+0x495/0xbe0 [ 269.267600][ T73] __do_softirq+0x1b5/0x7f6 [ 269.267600][ T73] [ 269.270167][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.270167][ T73] netdev_get_by_index+0x5e/0x80 [ 269.270167][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.270167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.270167][ T73] addrconf_f6i_alloc+0x265/0x560 [ 269.270167][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 269.270167][ T73] addrconf_join_anycast+0x1c0/0x220 [ 269.270167][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 269.270167][ T73] addrconf_dad_completed+0x12b/0xe20 [ 269.270167][ T73] addrconf_dad_begin+0x310/0x670 [ 269.270167][ T73] addrconf_dad_work+0x10b/0xab0 [ 269.270167][ T73] process_one_work+0x84d/0x18a0 [ 269.270167][ T73] worker_thread+0x587/0xd30 [ 269.270167][ T73] kthread+0x28a/0x350 [ 269.270167][ T73] ret_from_fork+0x31/0x70 [ 269.270167][ T73] ret_from_fork_asm+0x1a/0x30 [ 269.270167][ T73] [ 269.273122][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.273122][ T73] netdev_get_by_index+0x5e/0x80 [ 269.273122][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.273122][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.273122][ T73] ip6_route_add+0x1c/0x140 [ 269.273122][ T73] addrconf_prefix_route+0x2a6/0x430 [ 269.273122][ T73] inet6_addr_add+0x4f8/0xa40 [ 269.273122][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.273122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.273122][ T73] netlink_rcv_skb+0x130/0x360 [ 269.273122][ T73] netlink_unicast+0x449/0x710 [ 269.273122][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.273122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.273122][ T73] ___sys_sendmsg+0xee/0x170 [ 269.273122][ T73] __sys_sendmsg+0xcd/0x170 [ 269.273122][ T73] do_syscall_64+0xc6/0x1e0 [ 269.273122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.273122][ T73] [ 269.276238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.276238][ T73] netdev_get_by_index+0x5e/0x80 [ 269.276238][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.276238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.276238][ T73] addrconf_f6i_alloc+0x315/0x560 [ 269.276238][ T73] ipv6_add_addr+0x411/0x2000 [ 269.276238][ T73] inet6_addr_add+0x30e/0xa40 [ 269.276238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.276238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.276238][ T73] netlink_rcv_skb+0x130/0x360 [ 269.276238][ T73] netlink_unicast+0x449/0x710 [ 269.276238][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.276238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.276238][ T73] ___sys_sendmsg+0xee/0x170 [ 269.276238][ T73] __sys_sendmsg+0xcd/0x170 [ 269.276238][ T73] do_syscall_64+0xc6/0x1e0 [ 269.276238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.276238][ T73] [ 269.279371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.279371][ T73] netdev_get_by_index+0x5e/0x80 [ 269.279371][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.279371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.279371][ T73] ip6_route_add+0x1c/0x140 [ 269.279371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 269.279371][ T73] addrconf_add_dev+0xe2/0x170 [ 269.279371][ T73] inet6_addr_add+0x12f/0xa40 [ 269.279371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.279371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.279371][ T73] netlink_rcv_skb+0x130/0x360 [ 269.279371][ T73] netlink_unicast+0x449/0x710 [ 269.279371][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.279371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.279371][ T73] ___sys_sendmsg+0xee/0x170 [ 269.279371][ T73] __sys_sendmsg+0xcd/0x170 [ 269.279371][ T73] do_syscall_64+0xc6/0x1e0 [ 269.279371][ T73] [ 269.282302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.282302][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 269.282302][ T73] ipv6_find_idev+0x102/0x170 [ 269.282302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.282302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.282302][ T73] netlink_rcv_skb+0x130/0x360 [ 269.282302][ T73] netlink_unicast+0x449/0x710 [ 269.282302][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.282302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.282302][ T73] ___sys_sendmsg+0xee/0x170 [ 269.282302][ T73] __sys_sendmsg+0xcd/0x170 [ 269.282302][ T73] do_syscall_64+0xc6/0x1e0 [ 269.282302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.282302][ T73] [ 269.284620][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 269.284620][ T73] neigh_parms_alloc+0x1e5/0x510 [ 269.284620][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 269.284620][ T73] ipv6_find_idev+0x102/0x170 [ 269.284620][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.284620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.284620][ T73] netlink_rcv_skb+0x130/0x360 [ 269.284620][ T73] netlink_unicast+0x449/0x710 [ 269.284620][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.284620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.284620][ T73] ___sys_sendmsg+0xee/0x170 [ 269.284620][ T73] __sys_sendmsg+0xcd/0x170 [ 269.284620][ T73] do_syscall_64+0xc6/0x1e0 [ 269.284620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.284620][ T73] [ 269.287340][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 269.287750][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.287750][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 269.287750][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 269.287750][ T73] fib6_nh_init+0xa22/0x1580 [ 269.287750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.287750][ T73] ip6_route_add+0x1c/0x140 [ 269.287750][ T73] inet6_rtm_newroute+0x104/0x110 [ 269.287750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.287750][ T73] netlink_rcv_skb+0x130/0x360 [ 269.287750][ T73] netlink_unicast+0x449/0x710 [ 269.287750][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.287750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.287750][ T73] ___sys_sendmsg+0xee/0x170 [ 269.287750][ T73] __sys_sendmsg+0xcd/0x170 [ 269.287750][ T73] do_syscall_64+0xc6/0x1e0 [ 269.287750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.287750][ T73] [ 269.291104][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.291104][ T73] dst_init+0x84/0x4a0 [ 269.291104][ T73] dst_alloc+0x97/0x150 [ 269.291104][ T73] ip6_dst_alloc+0x23/0x90 [ 269.291104][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 269.291104][ T73] ip6_pol_route+0x56f/0x840 [ 269.291104][ T73] fib6_rule_lookup+0x456/0x630 [ 269.291104][ T73] ip6_route_input+0x59c/0xa50 [ 269.291104][ T73] ipv6_rcv+0x397/0x810 [ 269.291104][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 269.291104][ T73] process_backlog+0x101/0x620 [ 269.291104][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 269.291104][ T73] net_rx_action+0x495/0xbe0 [ 269.291104][ T73] __do_softirq+0x1b5/0x7f6 [ 269.291104][ T73] [ 269.293944][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.293944][ T73] netdev_get_by_index+0x5e/0x80 [ 269.293944][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.293944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.293944][ T73] ip6_route_add+0x1c/0x140 [ 269.293944][ T73] addrconf_prefix_route+0x2a6/0x430 [ 269.293944][ T73] inet6_addr_add+0x4f8/0xa40 [ 269.293944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.293944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.293944][ T73] netlink_rcv_skb+0x130/0x360 [ 269.293944][ T73] netlink_unicast+0x449/0x710 [ 269.293944][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.293944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.293944][ T73] ___sys_sendmsg+0xee/0x170 [ 269.293944][ T73] __sys_sendmsg+0xcd/0x170 [ 269.293944][ T73] do_syscall_64+0xc6/0x1e0 [ 269.293944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.293944][ T73] [ 269.297717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.297717][ T73] netdev_get_by_index+0x5e/0x80 [ 269.297717][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.297717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.297717][ T73] addrconf_f6i_alloc+0x315/0x560 [ 269.297717][ T73] ipv6_add_addr+0x411/0x2000 [ 269.297717][ T73] inet6_addr_add+0x30e/0xa40 [ 269.297717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.297717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.297717][ T73] netlink_rcv_skb+0x130/0x360 [ 269.297717][ T73] netlink_unicast+0x449/0x710 [ 269.297717][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.297717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.297717][ T73] ___sys_sendmsg+0xee/0x170 [ 269.297717][ T73] __sys_sendmsg+0xcd/0x170 [ 269.297717][ T73] do_syscall_64+0xc6/0x1e0 [ 269.297717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.297717][ T73] [ 269.301291][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.301291][ T73] netdev_get_by_index+0x5e/0x80 [ 269.301291][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.301291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.301291][ T73] ip6_route_add+0x1c/0x140 [ 269.301291][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 269.301291][ T73] addrconf_add_dev+0xe2/0x170 [ 269.301291][ T73] inet6_addr_add+0x12f/0xa40 [ 269.301291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.301291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.301291][ T73] netlink_rcv_skb+0x130/0x360 [ 269.301291][ T73] netlink_unicast+0x449/0x710 [ 269.301291][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.301291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.301291][ T73] ___sys_sendmsg+0xee/0x170 [ 269.301291][ T73] __sys_sendmsg+0xcd/0x170 [ 269.301291][ T73] do_syscall_64+0xc6/0x1e0 [ 269.301291][ T73] [ 269.304819][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.304819][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 269.304819][ T73] ipv6_find_idev+0x102/0x170 [ 269.304819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.304819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.304819][ T73] netlink_rcv_skb+0x130/0x360 [ 269.304819][ T73] netlink_unicast+0x449/0x710 [ 269.304819][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.304819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.304819][ T73] ___sys_sendmsg+0xee/0x170 [ 269.304819][ T73] __sys_sendmsg+0xcd/0x170 [ 269.304819][ T73] do_syscall_64+0xc6/0x1e0 [ 269.304819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.304819][ T73] [ 269.307610][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 269.307610][ T73] neigh_parms_alloc+0x1e5/0x510 [ 269.307610][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 269.307610][ T73] ipv6_find_idev+0x102/0x170 [ 269.307610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.307610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.307610][ T73] netlink_rcv_skb+0x130/0x360 [ 269.307610][ T73] netlink_unicast+0x449/0x710 [ 269.307610][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.307610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.307610][ T73] ___sys_sendmsg+0xee/0x170 [ 269.307610][ T73] __sys_sendmsg+0xcd/0x170 [ 269.307610][ T73] do_syscall_64+0xc6/0x1e0 [ 269.307610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.307610][ T73] [ 269.310762][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 269.311257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 269.311257][ T73] netdev_get_by_index+0x5e/0x80 [ 269.311257][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.311257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.311257][ T73] addrconf_f6i_alloc+0x265/0x560 [ 269.311257][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 269.311257][ T73] addrconf_join_anycast+0x1c0/0x220 [ 269.311257][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 269.311257][ T73] addrconf_dad_completed+0x12b/0xe20 [ 269.311257][ T73] addrconf_dad_begin+0x310/0x670 [ 269.311257][ T73] addrconf_dad_work+0x10b/0xab0 [ 269.311257][ T73] process_one_work+0x84d/0x18a0 [ 269.311257][ T73] worker_thread+0x587/0xd30 [ 269.311257][ T73] kthread+0x28a/0x350 [ 269.311257][ T73] ret_from_fork+0x31/0x70 [ 269.311257][ T73] ret_from_fork_asm+0x1a/0x30 [ 269.311257][ T73] [ 269.314927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 269.314927][ T73] netdev_get_by_index+0x5e/0x80 [ 269.314927][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.314927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.314927][ T73] ip6_route_add+0x1c/0x140 [ 269.314927][ T73] addrconf_prefix_route+0x2a6/0x430 [ 269.314927][ T73] inet6_addr_add+0x4f8/0xa40 [ 269.314927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.314927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.314927][ T73] netlink_rcv_skb+0x130/0x360 [ 269.314927][ T73] netlink_unicast+0x449/0x710 [ 269.314927][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.314927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.314927][ T73] ___sys_sendmsg+0xee/0x170 [ 269.314927][ T73] __sys_sendmsg+0xcd/0x170 [ 269.314927][ T73] do_syscall_64+0xc6/0x1e0 [ 269.314927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.314927][ T73] [ 269.318567][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 269.318567][ T73] netdev_get_by_index+0x5e/0x80 [ 269.318567][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.318567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.318567][ T73] addrconf_f6i_alloc+0x315/0x560 [ 269.318567][ T73] ipv6_add_addr+0x411/0x2000 [ 269.318567][ T73] inet6_addr_add+0x30e/0xa40 [ 269.318567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.318567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.318567][ T73] netlink_rcv_skb+0x130/0x360 [ 269.318567][ T73] netlink_unicast+0x449/0x710 [ 269.318567][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.318567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.318567][ T73] ___sys_sendmsg+0xee/0x170 [ 269.318567][ T73] __sys_sendmsg+0xcd/0x170 [ 269.318567][ T73] do_syscall_64+0xc6/0x1e0 [ 269.318567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.318567][ T73] [ 269.322135][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 269.322135][ T73] netdev_get_by_index+0x5e/0x80 [ 269.322135][ T73] fib6_nh_init+0x3d8/0x1580 [ 269.322135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 269.322135][ T73] ip6_route_add+0x1c/0x140 [ 269.322135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 269.322135][ T73] addrconf_add_dev+0xe2/0x170 [ 269.322135][ T73] inet6_addr_add+0x12f/0xa40 [ 269.322135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 269.322135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.322135][ T73] netlink_rcv_skb+0x130/0x360 [ 269.322135][ T73] netlink_unicast+0x449/0x710 [ 269.322135][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.322135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.322135][ T73] ___sys_sendmsg+0xee/0x170 [ 269.322135][ T73] __sys_sendmsg+0xcd/0x170 [ 269.322135][ T73] do_syscall_64+0xc6/0x1e0 [ 269.322135][ T73] [ 269.325530][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 269.325530][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 269.325530][ T73] ipv6_find_idev+0x102/0x170 [ 269.325530][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.325530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.325530][ T73] netlink_rcv_skb+0x130/0x360 [ 269.325530][ T73] netlink_unicast+0x449/0x710 [ 269.325530][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.325530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.325530][ T73] ___sys_sendmsg+0xee/0x170 [ 269.325530][ T73] __sys_sendmsg+0xcd/0x170 [ 269.325530][ T73] do_syscall_64+0xc6/0x1e0 [ 269.325530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.325530][ T73] [ 269.328078][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 269.328078][ T73] neigh_parms_alloc+0x1e5/0x510 [ 269.328078][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 269.328078][ T73] ipv6_find_idev+0x102/0x170 [ 269.328078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.328078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.328078][ T73] netlink_rcv_skb+0x130/0x360 [ 269.328078][ T73] netlink_unicast+0x449/0x710 [ 269.328078][ T73] netlink_sendmsg+0x723/0xbe0 [ 269.328078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 269.328078][ T73] ___sys_sendmsg+0xee/0x170 [ 269.328078][ T73] __sys_sendmsg+0xcd/0x170 [ 269.328078][ T73] do_syscall_64+0xc6/0x1e0 [ 269.328078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.328078][ T73] [ 279.582912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 279.583346][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.583346][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 279.583346][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 279.583346][ T73] fib6_nh_init+0xa22/0x1580 [ 279.583346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.583346][ T73] ip6_route_add+0x1c/0x140 [ 279.583346][ T73] inet6_rtm_newroute+0x104/0x110 [ 279.583346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.583346][ T73] netlink_rcv_skb+0x130/0x360 [ 279.583346][ T73] netlink_unicast+0x449/0x710 [ 279.583346][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.583346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.583346][ T73] ___sys_sendmsg+0xee/0x170 [ 279.583346][ T73] __sys_sendmsg+0xcd/0x170 [ 279.583346][ T73] do_syscall_64+0xc6/0x1e0 [ 279.583346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.583346][ T73] [ 279.585308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.585308][ T73] dst_init+0x84/0x4a0 [ 279.585308][ T73] dst_alloc+0x97/0x150 [ 279.585308][ T73] ip6_dst_alloc+0x23/0x90 [ 279.585308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 279.585308][ T73] ip6_pol_route+0x56f/0x840 [ 279.585308][ T73] fib6_rule_lookup+0x456/0x630 [ 279.585308][ T73] ip6_route_input+0x59c/0xa50 [ 279.585308][ T73] ipv6_rcv+0x397/0x810 [ 279.585308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 279.585308][ T73] process_backlog+0x101/0x620 [ 279.585308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 279.585308][ T73] net_rx_action+0x495/0xbe0 [ 279.585308][ T73] __do_softirq+0x1b5/0x7f6 [ 279.585308][ T73] [ 279.586955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.586955][ T73] netdev_get_by_index+0x5e/0x80 [ 279.586955][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.586955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.586955][ T73] ip6_route_add+0x1c/0x140 [ 279.586955][ T73] addrconf_prefix_route+0x2a6/0x430 [ 279.586955][ T73] inet6_addr_add+0x4f8/0xa40 [ 279.586955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.586955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.586955][ T73] netlink_rcv_skb+0x130/0x360 [ 279.586955][ T73] netlink_unicast+0x449/0x710 [ 279.586955][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.586955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.586955][ T73] ___sys_sendmsg+0xee/0x170 [ 279.586955][ T73] __sys_sendmsg+0xcd/0x170 [ 279.586955][ T73] do_syscall_64+0xc6/0x1e0 [ 279.586955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.586955][ T73] [ 279.589394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.589394][ T73] netdev_get_by_index+0x5e/0x80 [ 279.589394][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.589394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.589394][ T73] addrconf_f6i_alloc+0x315/0x560 [ 279.589394][ T73] ipv6_add_addr+0x411/0x2000 [ 279.589394][ T73] inet6_addr_add+0x30e/0xa40 [ 279.589394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.589394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.589394][ T73] netlink_rcv_skb+0x130/0x360 [ 279.589394][ T73] netlink_unicast+0x449/0x710 [ 279.589394][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.589394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.589394][ T73] ___sys_sendmsg+0xee/0x170 [ 279.589394][ T73] __sys_sendmsg+0xcd/0x170 [ 279.589394][ T73] do_syscall_64+0xc6/0x1e0 [ 279.589394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.589394][ T73] [ 279.591414][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.591414][ T73] netdev_get_by_index+0x5e/0x80 [ 279.591414][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.591414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.591414][ T73] ip6_route_add+0x1c/0x140 [ 279.591414][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 279.591414][ T73] addrconf_add_dev+0xe2/0x170 [ 279.591414][ T73] inet6_addr_add+0x12f/0xa40 [ 279.591414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.591414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.591414][ T73] netlink_rcv_skb+0x130/0x360 [ 279.591414][ T73] netlink_unicast+0x449/0x710 [ 279.591414][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.591414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.591414][ T73] ___sys_sendmsg+0xee/0x170 [ 279.591414][ T73] __sys_sendmsg+0xcd/0x170 [ 279.591414][ T73] do_syscall_64+0xc6/0x1e0 [ 279.591414][ T73] [ 279.593405][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.593405][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 279.593405][ T73] ipv6_find_idev+0x102/0x170 [ 279.593405][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.593405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.593405][ T73] netlink_rcv_skb+0x130/0x360 [ 279.593405][ T73] netlink_unicast+0x449/0x710 [ 279.593405][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.593405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.593405][ T73] ___sys_sendmsg+0xee/0x170 [ 279.593405][ T73] __sys_sendmsg+0xcd/0x170 [ 279.593405][ T73] do_syscall_64+0xc6/0x1e0 [ 279.593405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.593405][ T73] [ 279.594962][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 279.594962][ T73] neigh_parms_alloc+0x1e5/0x510 [ 279.594962][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 279.594962][ T73] ipv6_find_idev+0x102/0x170 [ 279.594962][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.594962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.594962][ T73] netlink_rcv_skb+0x130/0x360 [ 279.594962][ T73] netlink_unicast+0x449/0x710 [ 279.594962][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.594962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.594962][ T73] ___sys_sendmsg+0xee/0x170 [ 279.594962][ T73] __sys_sendmsg+0xcd/0x170 [ 279.594962][ T73] do_syscall_64+0xc6/0x1e0 [ 279.594962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.594962][ T73] [ 279.596681][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 279.596975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.596975][ T73] dst_init+0x84/0x4a0 [ 279.596975][ T73] dst_alloc+0x97/0x150 [ 279.596975][ T73] ip6_dst_alloc+0x23/0x90 [ 279.596975][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 279.596975][ T73] ip6_pol_route+0x56f/0x840 [ 279.596975][ T73] fib6_rule_lookup+0x456/0x630 [ 279.596975][ T73] ip6_route_input+0x59c/0xa50 [ 279.596975][ T73] ipv6_rcv+0x397/0x810 [ 279.596975][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 279.596975][ T73] process_backlog+0x101/0x620 [ 279.596975][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 279.596975][ T73] net_rx_action+0x495/0xbe0 [ 279.596975][ T73] __do_softirq+0x1b5/0x7f6 [ 279.596975][ T73] [ 279.598622][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.598622][ T73] netdev_get_by_index+0x5e/0x80 [ 279.598622][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.598622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.598622][ T73] addrconf_f6i_alloc+0x265/0x560 [ 279.598622][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 279.598622][ T73] addrconf_join_anycast+0x1c0/0x220 [ 279.598622][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 279.598622][ T73] addrconf_dad_completed+0x12b/0xe20 [ 279.598622][ T73] addrconf_dad_begin+0x310/0x670 [ 279.598622][ T73] addrconf_dad_work+0x10b/0xab0 [ 279.598622][ T73] process_one_work+0x84d/0x18a0 [ 279.598622][ T73] worker_thread+0x587/0xd30 [ 279.598622][ T73] kthread+0x28a/0x350 [ 279.598622][ T73] ret_from_fork+0x31/0x70 [ 279.598622][ T73] ret_from_fork_asm+0x1a/0x30 [ 279.598622][ T73] [ 279.600558][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.600558][ T73] netdev_get_by_index+0x5e/0x80 [ 279.600558][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.600558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.600558][ T73] ip6_route_add+0x1c/0x140 [ 279.600558][ T73] addrconf_prefix_route+0x2a6/0x430 [ 279.600558][ T73] inet6_addr_add+0x4f8/0xa40 [ 279.600558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.600558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.600558][ T73] netlink_rcv_skb+0x130/0x360 [ 279.600558][ T73] netlink_unicast+0x449/0x710 [ 279.600558][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.600558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.600558][ T73] ___sys_sendmsg+0xee/0x170 [ 279.600558][ T73] __sys_sendmsg+0xcd/0x170 [ 279.600558][ T73] do_syscall_64+0xc6/0x1e0 [ 279.600558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.600558][ T73] [ 279.602574][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.602574][ T73] netdev_get_by_index+0x5e/0x80 [ 279.602574][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.602574][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.602574][ T73] addrconf_f6i_alloc+0x315/0x560 [ 279.602574][ T73] ipv6_add_addr+0x411/0x2000 [ 279.602574][ T73] inet6_addr_add+0x30e/0xa40 [ 279.602574][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.602574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.602574][ T73] netlink_rcv_skb+0x130/0x360 [ 279.602574][ T73] netlink_unicast+0x449/0x710 [ 279.602574][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.602574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.602574][ T73] ___sys_sendmsg+0xee/0x170 [ 279.602574][ T73] __sys_sendmsg+0xcd/0x170 [ 279.602574][ T73] do_syscall_64+0xc6/0x1e0 [ 279.602574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.602574][ T73] [ 279.604592][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.604592][ T73] netdev_get_by_index+0x5e/0x80 [ 279.604592][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.604592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.604592][ T73] ip6_route_add+0x1c/0x140 [ 279.604592][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 279.604592][ T73] addrconf_add_dev+0xe2/0x170 [ 279.604592][ T73] inet6_addr_add+0x12f/0xa40 [ 279.604592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.604592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.604592][ T73] netlink_rcv_skb+0x130/0x360 [ 279.604592][ T73] netlink_unicast+0x449/0x710 [ 279.604592][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.604592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.604592][ T73] ___sys_sendmsg+0xee/0x170 [ 279.604592][ T73] __sys_sendmsg+0xcd/0x170 [ 279.604592][ T73] do_syscall_64+0xc6/0x1e0 [ 279.604592][ T73] [ 279.606576][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.606576][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 279.606576][ T73] ipv6_find_idev+0x102/0x170 [ 279.606576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.606576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.606576][ T73] netlink_rcv_skb+0x130/0x360 [ 279.606576][ T73] netlink_unicast+0x449/0x710 [ 279.606576][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.606576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.606576][ T73] ___sys_sendmsg+0xee/0x170 [ 279.606576][ T73] __sys_sendmsg+0xcd/0x170 [ 279.606576][ T73] do_syscall_64+0xc6/0x1e0 [ 279.606576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.606576][ T73] [ 279.608133][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 279.608133][ T73] neigh_parms_alloc+0x1e5/0x510 [ 279.608133][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 279.608133][ T73] ipv6_find_idev+0x102/0x170 [ 279.608133][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.608133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.608133][ T73] netlink_rcv_skb+0x130/0x360 [ 279.608133][ T73] netlink_unicast+0x449/0x710 [ 279.608133][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.608133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.608133][ T73] ___sys_sendmsg+0xee/0x170 [ 279.608133][ T73] __sys_sendmsg+0xcd/0x170 [ 279.608133][ T73] do_syscall_64+0xc6/0x1e0 [ 279.608133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.608133][ T73] [ 279.609949][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 279.610221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.610221][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 279.610221][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 279.610221][ T73] fib6_nh_init+0xa22/0x1580 [ 279.610221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.610221][ T73] ip6_route_add+0x1c/0x140 [ 279.610221][ T73] inet6_rtm_newroute+0x104/0x110 [ 279.610221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.610221][ T73] netlink_rcv_skb+0x130/0x360 [ 279.610221][ T73] netlink_unicast+0x449/0x710 [ 279.610221][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.610221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.610221][ T73] ___sys_sendmsg+0xee/0x170 [ 279.610221][ T73] __sys_sendmsg+0xcd/0x170 [ 279.610221][ T73] do_syscall_64+0xc6/0x1e0 [ 279.610221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.610221][ T73] [ 279.612494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.612494][ T73] dst_init+0x84/0x4a0 [ 279.612494][ T73] dst_alloc+0x97/0x150 [ 279.612494][ T73] ip6_dst_alloc+0x23/0x90 [ 279.612494][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 279.612494][ T73] ip6_pol_route+0x56f/0x840 [ 279.612494][ T73] fib6_rule_lookup+0x456/0x630 [ 279.612494][ T73] ip6_route_input+0x59c/0xa50 [ 279.612494][ T73] ipv6_rcv+0x397/0x810 [ 279.612494][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 279.612494][ T73] process_backlog+0x101/0x620 [ 279.612494][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 279.612494][ T73] net_rx_action+0x495/0xbe0 [ 279.612494][ T73] __do_softirq+0x1b5/0x7f6 [ 279.612494][ T73] [ 279.614321][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.614321][ T73] netdev_get_by_index+0x5e/0x80 [ 279.614321][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.614321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.614321][ T73] ip6_route_add+0x1c/0x140 [ 279.614321][ T73] addrconf_prefix_route+0x2a6/0x430 [ 279.614321][ T73] inet6_addr_add+0x4f8/0xa40 [ 279.614321][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.614321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.614321][ T73] netlink_rcv_skb+0x130/0x360 [ 279.614321][ T73] netlink_unicast+0x449/0x710 [ 279.614321][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.614321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.614321][ T73] ___sys_sendmsg+0xee/0x170 [ 279.614321][ T73] __sys_sendmsg+0xcd/0x170 [ 279.614321][ T73] do_syscall_64+0xc6/0x1e0 [ 279.614321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.614321][ T73] [ 279.616567][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.616567][ T73] netdev_get_by_index+0x5e/0x80 [ 279.616567][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.616567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.616567][ T73] addrconf_f6i_alloc+0x315/0x560 [ 279.616567][ T73] ipv6_add_addr+0x411/0x2000 [ 279.616567][ T73] inet6_addr_add+0x30e/0xa40 [ 279.616567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.616567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.616567][ T73] netlink_rcv_skb+0x130/0x360 [ 279.616567][ T73] netlink_unicast+0x449/0x710 [ 279.616567][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.616567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.616567][ T73] ___sys_sendmsg+0xee/0x170 [ 279.616567][ T73] __sys_sendmsg+0xcd/0x170 [ 279.616567][ T73] do_syscall_64+0xc6/0x1e0 [ 279.616567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.616567][ T73] [ 279.618778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.618778][ T73] netdev_get_by_index+0x5e/0x80 [ 279.618778][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.618778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.618778][ T73] ip6_route_add+0x1c/0x140 [ 279.618778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 279.618778][ T73] addrconf_add_dev+0xe2/0x170 [ 279.618778][ T73] inet6_addr_add+0x12f/0xa40 [ 279.618778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.618778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.618778][ T73] netlink_rcv_skb+0x130/0x360 [ 279.618778][ T73] netlink_unicast+0x449/0x710 [ 279.618778][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.618778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.618778][ T73] ___sys_sendmsg+0xee/0x170 [ 279.618778][ T73] __sys_sendmsg+0xcd/0x170 [ 279.618778][ T73] do_syscall_64+0xc6/0x1e0 [ 279.618778][ T73] [ 279.621073][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.621073][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 279.621073][ T73] ipv6_find_idev+0x102/0x170 [ 279.621073][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.621073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.621073][ T73] netlink_rcv_skb+0x130/0x360 [ 279.621073][ T73] netlink_unicast+0x449/0x710 [ 279.621073][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.621073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.621073][ T73] ___sys_sendmsg+0xee/0x170 [ 279.621073][ T73] __sys_sendmsg+0xcd/0x170 [ 279.621073][ T73] do_syscall_64+0xc6/0x1e0 [ 279.621073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.621073][ T73] [ 279.622829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 279.622829][ T73] neigh_parms_alloc+0x1e5/0x510 [ 279.622829][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 279.622829][ T73] ipv6_find_idev+0x102/0x170 [ 279.622829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.622829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.622829][ T73] netlink_rcv_skb+0x130/0x360 [ 279.622829][ T73] netlink_unicast+0x449/0x710 [ 279.622829][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.622829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.622829][ T73] ___sys_sendmsg+0xee/0x170 [ 279.622829][ T73] __sys_sendmsg+0xcd/0x170 [ 279.622829][ T73] do_syscall_64+0xc6/0x1e0 [ 279.622829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.622829][ T73] [ 279.624729][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 279.625472][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 279.625472][ T73] netdev_get_by_index+0x5e/0x80 [ 279.625472][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.625472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.625472][ T73] addrconf_f6i_alloc+0x265/0x560 [ 279.625472][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 279.625472][ T73] addrconf_join_anycast+0x1c0/0x220 [ 279.625472][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 279.625472][ T73] addrconf_dad_completed+0x12b/0xe20 [ 279.625472][ T73] addrconf_dad_begin+0x310/0x670 [ 279.625472][ T73] addrconf_dad_work+0x10b/0xab0 [ 279.625472][ T73] process_one_work+0x84d/0x18a0 [ 279.625472][ T73] worker_thread+0x587/0xd30 [ 279.625472][ T73] kthread+0x28a/0x350 [ 279.625472][ T73] ret_from_fork+0x31/0x70 [ 279.625472][ T73] ret_from_fork_asm+0x1a/0x30 [ 279.625472][ T73] [ 279.627398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 279.627398][ T73] netdev_get_by_index+0x5e/0x80 [ 279.627398][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.627398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.627398][ T73] ip6_route_add+0x1c/0x140 [ 279.627398][ T73] addrconf_prefix_route+0x2a6/0x430 [ 279.627398][ T73] inet6_addr_add+0x4f8/0xa40 [ 279.627398][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.627398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.627398][ T73] netlink_rcv_skb+0x130/0x360 [ 279.627398][ T73] netlink_unicast+0x449/0x710 [ 279.627398][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.627398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.627398][ T73] ___sys_sendmsg+0xee/0x170 [ 279.627398][ T73] __sys_sendmsg+0xcd/0x170 [ 279.627398][ T73] do_syscall_64+0xc6/0x1e0 [ 279.627398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.627398][ T73] [ 279.629562][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 279.629562][ T73] netdev_get_by_index+0x5e/0x80 [ 279.629562][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.629562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.629562][ T73] addrconf_f6i_alloc+0x315/0x560 [ 279.629562][ T73] ipv6_add_addr+0x411/0x2000 [ 279.629562][ T73] inet6_addr_add+0x30e/0xa40 [ 279.629562][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.629562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.629562][ T73] netlink_rcv_skb+0x130/0x360 [ 279.629562][ T73] netlink_unicast+0x449/0x710 [ 279.629562][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.629562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.629562][ T73] ___sys_sendmsg+0xee/0x170 [ 279.629562][ T73] __sys_sendmsg+0xcd/0x170 [ 279.629562][ T73] do_syscall_64+0xc6/0x1e0 [ 279.629562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.629562][ T73] [ 279.631828][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 279.631828][ T73] netdev_get_by_index+0x5e/0x80 [ 279.631828][ T73] fib6_nh_init+0x3d8/0x1580 [ 279.631828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 279.631828][ T73] ip6_route_add+0x1c/0x140 [ 279.631828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 279.631828][ T73] addrconf_add_dev+0xe2/0x170 [ 279.631828][ T73] inet6_addr_add+0x12f/0xa40 [ 279.631828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 279.631828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.631828][ T73] netlink_rcv_skb+0x130/0x360 [ 279.631828][ T73] netlink_unicast+0x449/0x710 [ 279.631828][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.631828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.631828][ T73] ___sys_sendmsg+0xee/0x170 [ 279.631828][ T73] __sys_sendmsg+0xcd/0x170 [ 279.631828][ T73] do_syscall_64+0xc6/0x1e0 [ 279.631828][ T73] [ 279.634041][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 279.634041][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 279.634041][ T73] ipv6_find_idev+0x102/0x170 [ 279.634041][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.634041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.634041][ T73] netlink_rcv_skb+0x130/0x360 [ 279.634041][ T73] netlink_unicast+0x449/0x710 [ 279.634041][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.634041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.634041][ T73] ___sys_sendmsg+0xee/0x170 [ 279.634041][ T73] __sys_sendmsg+0xcd/0x170 [ 279.634041][ T73] do_syscall_64+0xc6/0x1e0 [ 279.634041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.634041][ T73] [ 279.635788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 279.635788][ T73] neigh_parms_alloc+0x1e5/0x510 [ 279.635788][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 279.635788][ T73] ipv6_find_idev+0x102/0x170 [ 279.635788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.635788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.635788][ T73] netlink_rcv_skb+0x130/0x360 [ 279.635788][ T73] netlink_unicast+0x449/0x710 [ 279.635788][ T73] netlink_sendmsg+0x723/0xbe0 [ 279.635788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 279.635788][ T73] ___sys_sendmsg+0xee/0x170 [ 279.635788][ T73] __sys_sendmsg+0xcd/0x170 [ 279.635788][ T73] do_syscall_64+0xc6/0x1e0 [ 279.635788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.635788][ T73] [ 289.878950][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 289.879454][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.879454][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 289.879454][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 289.879454][ T73] fib6_nh_init+0xa22/0x1580 [ 289.879454][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.879454][ T73] ip6_route_add+0x1c/0x140 [ 289.879454][ T73] inet6_rtm_newroute+0x104/0x110 [ 289.879454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.879454][ T73] netlink_rcv_skb+0x130/0x360 [ 289.879454][ T73] netlink_unicast+0x449/0x710 [ 289.879454][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.879454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.879454][ T73] ___sys_sendmsg+0xee/0x170 [ 289.879454][ T73] __sys_sendmsg+0xcd/0x170 [ 289.879454][ T73] do_syscall_64+0xc6/0x1e0 [ 289.879454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.879454][ T73] [ 289.881779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.881779][ T73] dst_init+0x84/0x4a0 [ 289.881779][ T73] dst_alloc+0x97/0x150 [ 289.881779][ T73] ip6_dst_alloc+0x23/0x90 [ 289.881779][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 289.881779][ T73] ip6_pol_route+0x56f/0x840 [ 289.881779][ T73] fib6_rule_lookup+0x456/0x630 [ 289.881779][ T73] ip6_route_input+0x59c/0xa50 [ 289.881779][ T73] ipv6_rcv+0x397/0x810 [ 289.881779][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 289.881779][ T73] process_backlog+0x101/0x620 [ 289.881779][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 289.881779][ T73] net_rx_action+0x495/0xbe0 [ 289.881779][ T73] __do_softirq+0x1b5/0x7f6 [ 289.881779][ T73] [ 289.883797][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.883797][ T73] netdev_get_by_index+0x5e/0x80 [ 289.883797][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.883797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.883797][ T73] ip6_route_add+0x1c/0x140 [ 289.883797][ T73] addrconf_prefix_route+0x2a6/0x430 [ 289.883797][ T73] inet6_addr_add+0x4f8/0xa40 [ 289.883797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.883797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.883797][ T73] netlink_rcv_skb+0x130/0x360 [ 289.883797][ T73] netlink_unicast+0x449/0x710 [ 289.883797][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.883797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.883797][ T73] ___sys_sendmsg+0xee/0x170 [ 289.883797][ T73] __sys_sendmsg+0xcd/0x170 [ 289.883797][ T73] do_syscall_64+0xc6/0x1e0 [ 289.883797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.883797][ T73] [ 289.886256][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.886256][ T73] netdev_get_by_index+0x5e/0x80 [ 289.886256][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.886256][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.886256][ T73] addrconf_f6i_alloc+0x315/0x560 [ 289.886256][ T73] ipv6_add_addr+0x411/0x2000 [ 289.886256][ T73] inet6_addr_add+0x30e/0xa40 [ 289.886256][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.886256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.886256][ T73] netlink_rcv_skb+0x130/0x360 [ 289.886256][ T73] netlink_unicast+0x449/0x710 [ 289.886256][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.886256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.886256][ T73] ___sys_sendmsg+0xee/0x170 [ 289.886256][ T73] __sys_sendmsg+0xcd/0x170 [ 289.886256][ T73] do_syscall_64+0xc6/0x1e0 [ 289.886256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.886256][ T73] [ 289.888723][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.888723][ T73] netdev_get_by_index+0x5e/0x80 [ 289.888723][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.888723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.888723][ T73] ip6_route_add+0x1c/0x140 [ 289.888723][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 289.888723][ T73] addrconf_add_dev+0xe2/0x170 [ 289.888723][ T73] inet6_addr_add+0x12f/0xa40 [ 289.888723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.888723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.888723][ T73] netlink_rcv_skb+0x130/0x360 [ 289.888723][ T73] netlink_unicast+0x449/0x710 [ 289.888723][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.888723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.888723][ T73] ___sys_sendmsg+0xee/0x170 [ 289.888723][ T73] __sys_sendmsg+0xcd/0x170 [ 289.888723][ T73] do_syscall_64+0xc6/0x1e0 [ 289.888723][ T73] [ 289.891111][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.891111][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 289.891111][ T73] ipv6_find_idev+0x102/0x170 [ 289.891111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.891111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.891111][ T73] netlink_rcv_skb+0x130/0x360 [ 289.891111][ T73] netlink_unicast+0x449/0x710 [ 289.891111][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.891111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.891111][ T73] ___sys_sendmsg+0xee/0x170 [ 289.891111][ T73] __sys_sendmsg+0xcd/0x170 [ 289.891111][ T73] do_syscall_64+0xc6/0x1e0 [ 289.891111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.891111][ T73] [ 289.893009][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 289.893009][ T73] neigh_parms_alloc+0x1e5/0x510 [ 289.893009][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 289.893009][ T73] ipv6_find_idev+0x102/0x170 [ 289.893009][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.893009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.893009][ T73] netlink_rcv_skb+0x130/0x360 [ 289.893009][ T73] netlink_unicast+0x449/0x710 [ 289.893009][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.893009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.893009][ T73] ___sys_sendmsg+0xee/0x170 [ 289.893009][ T73] __sys_sendmsg+0xcd/0x170 [ 289.893009][ T73] do_syscall_64+0xc6/0x1e0 [ 289.893009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.893009][ T73] [ 289.895128][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 289.895461][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.895461][ T73] dst_init+0x84/0x4a0 [ 289.895461][ T73] dst_alloc+0x97/0x150 [ 289.895461][ T73] ip6_dst_alloc+0x23/0x90 [ 289.895461][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 289.895461][ T73] ip6_pol_route+0x56f/0x840 [ 289.895461][ T73] fib6_rule_lookup+0x456/0x630 [ 289.895461][ T73] ip6_route_input+0x59c/0xa50 [ 289.895461][ T73] ipv6_rcv+0x397/0x810 [ 289.895461][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 289.895461][ T73] process_backlog+0x101/0x620 [ 289.895461][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 289.895461][ T73] net_rx_action+0x495/0xbe0 [ 289.895461][ T73] __do_softirq+0x1b5/0x7f6 [ 289.895461][ T73] [ 289.897481][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.897481][ T73] netdev_get_by_index+0x5e/0x80 [ 289.897481][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.897481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.897481][ T73] addrconf_f6i_alloc+0x265/0x560 [ 289.897481][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 289.897481][ T73] addrconf_join_anycast+0x1c0/0x220 [ 289.897481][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 289.897481][ T73] addrconf_dad_completed+0x12b/0xe20 [ 289.897481][ T73] addrconf_dad_begin+0x310/0x670 [ 289.897481][ T73] addrconf_dad_work+0x10b/0xab0 [ 289.897481][ T73] process_one_work+0x84d/0x18a0 [ 289.897481][ T73] worker_thread+0x587/0xd30 [ 289.897481][ T73] kthread+0x28a/0x350 [ 289.897481][ T73] ret_from_fork+0x31/0x70 [ 289.897481][ T73] ret_from_fork_asm+0x1a/0x30 [ 289.897481][ T73] [ 289.899826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.899826][ T73] netdev_get_by_index+0x5e/0x80 [ 289.899826][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.899826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.899826][ T73] ip6_route_add+0x1c/0x140 [ 289.899826][ T73] addrconf_prefix_route+0x2a6/0x430 [ 289.899826][ T73] inet6_addr_add+0x4f8/0xa40 [ 289.899826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.899826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.899826][ T73] netlink_rcv_skb+0x130/0x360 [ 289.899826][ T73] netlink_unicast+0x449/0x710 [ 289.899826][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.899826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.899826][ T73] ___sys_sendmsg+0xee/0x170 [ 289.899826][ T73] __sys_sendmsg+0xcd/0x170 [ 289.899826][ T73] do_syscall_64+0xc6/0x1e0 [ 289.899826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.899826][ T73] [ 289.902273][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.902273][ T73] netdev_get_by_index+0x5e/0x80 [ 289.902273][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.902273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.902273][ T73] addrconf_f6i_alloc+0x315/0x560 [ 289.902273][ T73] ipv6_add_addr+0x411/0x2000 [ 289.902273][ T73] inet6_addr_add+0x30e/0xa40 [ 289.902273][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.902273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.902273][ T73] netlink_rcv_skb+0x130/0x360 [ 289.902273][ T73] netlink_unicast+0x449/0x710 [ 289.902273][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.902273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.902273][ T73] ___sys_sendmsg+0xee/0x170 [ 289.902273][ T73] __sys_sendmsg+0xcd/0x170 [ 289.902273][ T73] do_syscall_64+0xc6/0x1e0 [ 289.902273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.902273][ T73] [ 289.904723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.904723][ T73] netdev_get_by_index+0x5e/0x80 [ 289.904723][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.904723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.904723][ T73] ip6_route_add+0x1c/0x140 [ 289.904723][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 289.904723][ T73] addrconf_add_dev+0xe2/0x170 [ 289.904723][ T73] inet6_addr_add+0x12f/0xa40 [ 289.904723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.904723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.904723][ T73] netlink_rcv_skb+0x130/0x360 [ 289.904723][ T73] netlink_unicast+0x449/0x710 [ 289.904723][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.904723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.904723][ T73] ___sys_sendmsg+0xee/0x170 [ 289.904723][ T73] __sys_sendmsg+0xcd/0x170 [ 289.904723][ T73] do_syscall_64+0xc6/0x1e0 [ 289.904723][ T73] [ 289.907139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.907139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 289.907139][ T73] ipv6_find_idev+0x102/0x170 [ 289.907139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.907139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.907139][ T73] netlink_rcv_skb+0x130/0x360 [ 289.907139][ T73] netlink_unicast+0x449/0x710 [ 289.907139][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.907139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.907139][ T73] ___sys_sendmsg+0xee/0x170 [ 289.907139][ T73] __sys_sendmsg+0xcd/0x170 [ 289.907139][ T73] do_syscall_64+0xc6/0x1e0 [ 289.907139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.907139][ T73] [ 289.909029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 289.909029][ T73] neigh_parms_alloc+0x1e5/0x510 [ 289.909029][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 289.909029][ T73] ipv6_find_idev+0x102/0x170 [ 289.909029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.909029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.909029][ T73] netlink_rcv_skb+0x130/0x360 [ 289.909029][ T73] netlink_unicast+0x449/0x710 [ 289.909029][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.909029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.909029][ T73] ___sys_sendmsg+0xee/0x170 [ 289.909029][ T73] __sys_sendmsg+0xcd/0x170 [ 289.909029][ T73] do_syscall_64+0xc6/0x1e0 [ 289.909029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.909029][ T73] [ 289.911212][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 289.911544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.911544][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 289.911544][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 289.911544][ T73] fib6_nh_init+0xa22/0x1580 [ 289.911544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.911544][ T73] ip6_route_add+0x1c/0x140 [ 289.911544][ T73] inet6_rtm_newroute+0x104/0x110 [ 289.911544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.911544][ T73] netlink_rcv_skb+0x130/0x360 [ 289.911544][ T73] netlink_unicast+0x449/0x710 [ 289.911544][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.911544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.911544][ T73] ___sys_sendmsg+0xee/0x170 [ 289.911544][ T73] __sys_sendmsg+0xcd/0x170 [ 289.911544][ T73] do_syscall_64+0xc6/0x1e0 [ 289.911544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.911544][ T73] [ 289.913987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.913987][ T73] dst_init+0x84/0x4a0 [ 289.913987][ T73] dst_alloc+0x97/0x150 [ 289.913987][ T73] ip6_dst_alloc+0x23/0x90 [ 289.913987][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 289.913987][ T73] ip6_pol_route+0x56f/0x840 [ 289.913987][ T73] fib6_rule_lookup+0x456/0x630 [ 289.913987][ T73] ip6_route_input+0x59c/0xa50 [ 289.913987][ T73] ipv6_rcv+0x397/0x810 [ 289.913987][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 289.913987][ T73] process_backlog+0x101/0x620 [ 289.913987][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 289.913987][ T73] net_rx_action+0x495/0xbe0 [ 289.913987][ T73] __do_softirq+0x1b5/0x7f6 [ 289.913987][ T73] [ 289.916060][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.916060][ T73] netdev_get_by_index+0x5e/0x80 [ 289.916060][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.916060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.916060][ T73] ip6_route_add+0x1c/0x140 [ 289.916060][ T73] addrconf_prefix_route+0x2a6/0x430 [ 289.916060][ T73] inet6_addr_add+0x4f8/0xa40 [ 289.916060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.916060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.916060][ T73] netlink_rcv_skb+0x130/0x360 [ 289.916060][ T73] netlink_unicast+0x449/0x710 [ 289.916060][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.916060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.916060][ T73] ___sys_sendmsg+0xee/0x170 [ 289.916060][ T73] __sys_sendmsg+0xcd/0x170 [ 289.916060][ T73] do_syscall_64+0xc6/0x1e0 [ 289.916060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.916060][ T73] [ 289.918711][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.918711][ T73] netdev_get_by_index+0x5e/0x80 [ 289.918711][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.918711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.918711][ T73] addrconf_f6i_alloc+0x315/0x560 [ 289.918711][ T73] ipv6_add_addr+0x411/0x2000 [ 289.918711][ T73] inet6_addr_add+0x30e/0xa40 [ 289.918711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.918711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.918711][ T73] netlink_rcv_skb+0x130/0x360 [ 289.918711][ T73] netlink_unicast+0x449/0x710 [ 289.918711][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.918711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.918711][ T73] ___sys_sendmsg+0xee/0x170 [ 289.918711][ T73] __sys_sendmsg+0xcd/0x170 [ 289.918711][ T73] do_syscall_64+0xc6/0x1e0 [ 289.918711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.918711][ T73] [ 289.921190][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.921190][ T73] netdev_get_by_index+0x5e/0x80 [ 289.921190][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.921190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.921190][ T73] ip6_route_add+0x1c/0x140 [ 289.921190][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 289.921190][ T73] addrconf_add_dev+0xe2/0x170 [ 289.921190][ T73] inet6_addr_add+0x12f/0xa40 [ 289.921190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.921190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.921190][ T73] netlink_rcv_skb+0x130/0x360 [ 289.921190][ T73] netlink_unicast+0x449/0x710 [ 289.921190][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.921190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.921190][ T73] ___sys_sendmsg+0xee/0x170 [ 289.921190][ T73] __sys_sendmsg+0xcd/0x170 [ 289.921190][ T73] do_syscall_64+0xc6/0x1e0 [ 289.921190][ T73] [ 289.923464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.923464][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 289.923464][ T73] ipv6_find_idev+0x102/0x170 [ 289.923464][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.923464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.923464][ T73] netlink_rcv_skb+0x130/0x360 [ 289.923464][ T73] netlink_unicast+0x449/0x710 [ 289.923464][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.923464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.923464][ T73] ___sys_sendmsg+0xee/0x170 [ 289.923464][ T73] __sys_sendmsg+0xcd/0x170 [ 289.923464][ T73] do_syscall_64+0xc6/0x1e0 [ 289.923464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.923464][ T73] [ 289.925274][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 289.925274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 289.925274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 289.925274][ T73] ipv6_find_idev+0x102/0x170 [ 289.925274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.925274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.925274][ T73] netlink_rcv_skb+0x130/0x360 [ 289.925274][ T73] netlink_unicast+0x449/0x710 [ 289.925274][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.925274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.925274][ T73] ___sys_sendmsg+0xee/0x170 [ 289.925274][ T73] __sys_sendmsg+0xcd/0x170 [ 289.925274][ T73] do_syscall_64+0xc6/0x1e0 [ 289.925274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.925274][ T73] [ 289.927204][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 289.927506][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 289.927506][ T73] netdev_get_by_index+0x5e/0x80 [ 289.927506][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.927506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.927506][ T73] addrconf_f6i_alloc+0x265/0x560 [ 289.927506][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 289.927506][ T73] addrconf_join_anycast+0x1c0/0x220 [ 289.927506][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 289.927506][ T73] addrconf_dad_completed+0x12b/0xe20 [ 289.927506][ T73] addrconf_dad_begin+0x310/0x670 [ 289.927506][ T73] addrconf_dad_work+0x10b/0xab0 [ 289.927506][ T73] process_one_work+0x84d/0x18a0 [ 289.927506][ T73] worker_thread+0x587/0xd30 [ 289.927506][ T73] kthread+0x28a/0x350 [ 289.927506][ T73] ret_from_fork+0x31/0x70 [ 289.927506][ T73] ret_from_fork_asm+0x1a/0x30 [ 289.927506][ T73] [ 289.929774][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 289.929774][ T73] netdev_get_by_index+0x5e/0x80 [ 289.929774][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.929774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.929774][ T73] ip6_route_add+0x1c/0x140 [ 289.929774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 289.929774][ T73] inet6_addr_add+0x4f8/0xa40 [ 289.929774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.929774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.929774][ T73] netlink_rcv_skb+0x130/0x360 [ 289.929774][ T73] netlink_unicast+0x449/0x710 [ 289.929774][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.929774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.929774][ T73] ___sys_sendmsg+0xee/0x170 [ 289.929774][ T73] __sys_sendmsg+0xcd/0x170 [ 289.929774][ T73] do_syscall_64+0xc6/0x1e0 [ 289.929774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.929774][ T73] [ 289.932050][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 289.932050][ T73] netdev_get_by_index+0x5e/0x80 [ 289.932050][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.932050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.932050][ T73] addrconf_f6i_alloc+0x315/0x560 [ 289.932050][ T73] ipv6_add_addr+0x411/0x2000 [ 289.932050][ T73] inet6_addr_add+0x30e/0xa40 [ 289.932050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.932050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.932050][ T73] netlink_rcv_skb+0x130/0x360 [ 289.932050][ T73] netlink_unicast+0x449/0x710 [ 289.932050][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.932050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.932050][ T73] ___sys_sendmsg+0xee/0x170 [ 289.932050][ T73] __sys_sendmsg+0xcd/0x170 [ 289.932050][ T73] do_syscall_64+0xc6/0x1e0 [ 289.932050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.932050][ T73] [ 289.934349][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 289.934349][ T73] netdev_get_by_index+0x5e/0x80 [ 289.934349][ T73] fib6_nh_init+0x3d8/0x1580 [ 289.934349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 289.934349][ T73] ip6_route_add+0x1c/0x140 [ 289.934349][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 289.934349][ T73] addrconf_add_dev+0xe2/0x170 [ 289.934349][ T73] inet6_addr_add+0x12f/0xa40 [ 289.934349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 289.934349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.934349][ T73] netlink_rcv_skb+0x130/0x360 [ 289.934349][ T73] netlink_unicast+0x449/0x710 [ 289.934349][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.934349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.934349][ T73] ___sys_sendmsg+0xee/0x170 [ 289.934349][ T73] __sys_sendmsg+0xcd/0x170 [ 289.934349][ T73] do_syscall_64+0xc6/0x1e0 [ 289.934349][ T73] [ 289.936557][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 289.936557][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 289.936557][ T73] ipv6_find_idev+0x102/0x170 [ 289.936557][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.936557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.936557][ T73] netlink_rcv_skb+0x130/0x360 [ 289.936557][ T73] netlink_unicast+0x449/0x710 [ 289.936557][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.936557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.936557][ T73] ___sys_sendmsg+0xee/0x170 [ 289.936557][ T73] __sys_sendmsg+0xcd/0x170 [ 289.936557][ T73] do_syscall_64+0xc6/0x1e0 [ 289.936557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.936557][ T73] [ 289.938369][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 289.938369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 289.938369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 289.938369][ T73] ipv6_find_idev+0x102/0x170 [ 289.938369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.938369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.938369][ T73] netlink_rcv_skb+0x130/0x360 [ 289.938369][ T73] netlink_unicast+0x449/0x710 [ 289.938369][ T73] netlink_sendmsg+0x723/0xbe0 [ 289.938369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 289.938369][ T73] ___sys_sendmsg+0xee/0x170 [ 289.938369][ T73] __sys_sendmsg+0xcd/0x170 [ 289.938369][ T73] do_syscall_64+0xc6/0x1e0 [ 289.938369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.938369][ T73] [ 300.182929][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 300.183376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.183376][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 300.183376][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 300.183376][ T73] fib6_nh_init+0xa22/0x1580 [ 300.183376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.183376][ T73] ip6_route_add+0x1c/0x140 [ 300.183376][ T73] inet6_rtm_newroute+0x104/0x110 [ 300.183376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.183376][ T73] netlink_rcv_skb+0x130/0x360 [ 300.183376][ T73] netlink_unicast+0x449/0x710 [ 300.183376][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.183376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.183376][ T73] ___sys_sendmsg+0xee/0x170 [ 300.183376][ T73] __sys_sendmsg+0xcd/0x170 [ 300.183376][ T73] do_syscall_64+0xc6/0x1e0 [ 300.183376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.183376][ T73] [ 300.185301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.185301][ T73] dst_init+0x84/0x4a0 [ 300.185301][ T73] dst_alloc+0x97/0x150 [ 300.185301][ T73] ip6_dst_alloc+0x23/0x90 [ 300.185301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 300.185301][ T73] ip6_pol_route+0x56f/0x840 [ 300.185301][ T73] fib6_rule_lookup+0x456/0x630 [ 300.185301][ T73] ip6_route_input+0x59c/0xa50 [ 300.185301][ T73] ipv6_rcv+0x397/0x810 [ 300.185301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 300.185301][ T73] process_backlog+0x101/0x620 [ 300.185301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 300.185301][ T73] net_rx_action+0x495/0xbe0 [ 300.185301][ T73] __do_softirq+0x1b5/0x7f6 [ 300.185301][ T73] [ 300.186967][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.186967][ T73] netdev_get_by_index+0x5e/0x80 [ 300.186967][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.186967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.186967][ T73] ip6_route_add+0x1c/0x140 [ 300.186967][ T73] addrconf_prefix_route+0x2a6/0x430 [ 300.186967][ T73] inet6_addr_add+0x4f8/0xa40 [ 300.186967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.186967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.186967][ T73] netlink_rcv_skb+0x130/0x360 [ 300.186967][ T73] netlink_unicast+0x449/0x710 [ 300.186967][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.186967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.186967][ T73] ___sys_sendmsg+0xee/0x170 [ 300.186967][ T73] __sys_sendmsg+0xcd/0x170 [ 300.186967][ T73] do_syscall_64+0xc6/0x1e0 [ 300.186967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.186967][ T73] [ 300.188992][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.188992][ T73] netdev_get_by_index+0x5e/0x80 [ 300.188992][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.188992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.188992][ T73] addrconf_f6i_alloc+0x315/0x560 [ 300.188992][ T73] ipv6_add_addr+0x411/0x2000 [ 300.188992][ T73] inet6_addr_add+0x30e/0xa40 [ 300.188992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.188992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.188992][ T73] netlink_rcv_skb+0x130/0x360 [ 300.188992][ T73] netlink_unicast+0x449/0x710 [ 300.188992][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.188992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.188992][ T73] ___sys_sendmsg+0xee/0x170 [ 300.188992][ T73] __sys_sendmsg+0xcd/0x170 [ 300.188992][ T73] do_syscall_64+0xc6/0x1e0 [ 300.188992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.188992][ T73] [ 300.191023][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.191023][ T73] netdev_get_by_index+0x5e/0x80 [ 300.191023][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.191023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.191023][ T73] ip6_route_add+0x1c/0x140 [ 300.191023][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 300.191023][ T73] addrconf_add_dev+0xe2/0x170 [ 300.191023][ T73] inet6_addr_add+0x12f/0xa40 [ 300.191023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.191023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.191023][ T73] netlink_rcv_skb+0x130/0x360 [ 300.191023][ T73] netlink_unicast+0x449/0x710 [ 300.191023][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.191023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.191023][ T73] ___sys_sendmsg+0xee/0x170 [ 300.191023][ T73] __sys_sendmsg+0xcd/0x170 [ 300.191023][ T73] do_syscall_64+0xc6/0x1e0 [ 300.191023][ T73] [ 300.193012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.193012][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 300.193012][ T73] ipv6_find_idev+0x102/0x170 [ 300.193012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.193012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.193012][ T73] netlink_rcv_skb+0x130/0x360 [ 300.193012][ T73] netlink_unicast+0x449/0x710 [ 300.193012][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.193012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.193012][ T73] ___sys_sendmsg+0xee/0x170 [ 300.193012][ T73] __sys_sendmsg+0xcd/0x170 [ 300.193012][ T73] do_syscall_64+0xc6/0x1e0 [ 300.193012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.193012][ T73] [ 300.194564][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 300.194564][ T73] neigh_parms_alloc+0x1e5/0x510 [ 300.194564][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 300.194564][ T73] ipv6_find_idev+0x102/0x170 [ 300.194564][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.194564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.194564][ T73] netlink_rcv_skb+0x130/0x360 [ 300.194564][ T73] netlink_unicast+0x449/0x710 [ 300.194564][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.194564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.194564][ T73] ___sys_sendmsg+0xee/0x170 [ 300.194564][ T73] __sys_sendmsg+0xcd/0x170 [ 300.194564][ T73] do_syscall_64+0xc6/0x1e0 [ 300.194564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.194564][ T73] [ 300.196320][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 300.197319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.197319][ T73] dst_init+0x84/0x4a0 [ 300.197319][ T73] dst_alloc+0x97/0x150 [ 300.197319][ T73] ip6_dst_alloc+0x23/0x90 [ 300.197319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 300.197319][ T73] ip6_pol_route+0x56f/0x840 [ 300.197319][ T73] fib6_rule_lookup+0x456/0x630 [ 300.197319][ T73] ip6_route_input+0x59c/0xa50 [ 300.197319][ T73] ipv6_rcv+0x397/0x810 [ 300.197319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 300.197319][ T73] process_backlog+0x101/0x620 [ 300.197319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 300.197319][ T73] net_rx_action+0x495/0xbe0 [ 300.197319][ T73] __do_softirq+0x1b5/0x7f6 [ 300.197319][ T73] [ 300.199005][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.199005][ T73] netdev_get_by_index+0x5e/0x80 [ 300.199005][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.199005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.199005][ T73] addrconf_f6i_alloc+0x265/0x560 [ 300.199005][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 300.199005][ T73] addrconf_join_anycast+0x1c0/0x220 [ 300.199005][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 300.199005][ T73] addrconf_dad_completed+0x12b/0xe20 [ 300.199005][ T73] addrconf_dad_begin+0x310/0x670 [ 300.199005][ T73] addrconf_dad_work+0x10b/0xab0 [ 300.199005][ T73] process_one_work+0x84d/0x18a0 [ 300.199005][ T73] worker_thread+0x587/0xd30 [ 300.199005][ T73] kthread+0x28a/0x350 [ 300.199005][ T73] ret_from_fork+0x31/0x70 [ 300.199005][ T73] ret_from_fork_asm+0x1a/0x30 [ 300.199005][ T73] [ 300.200948][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.200948][ T73] netdev_get_by_index+0x5e/0x80 [ 300.200948][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.200948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.200948][ T73] ip6_route_add+0x1c/0x140 [ 300.200948][ T73] addrconf_prefix_route+0x2a6/0x430 [ 300.200948][ T73] inet6_addr_add+0x4f8/0xa40 [ 300.200948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.200948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.200948][ T73] netlink_rcv_skb+0x130/0x360 [ 300.200948][ T73] netlink_unicast+0x449/0x710 [ 300.200948][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.200948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.200948][ T73] ___sys_sendmsg+0xee/0x170 [ 300.200948][ T73] __sys_sendmsg+0xcd/0x170 [ 300.200948][ T73] do_syscall_64+0xc6/0x1e0 [ 300.200948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.200948][ T73] [ 300.202965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.202965][ T73] netdev_get_by_index+0x5e/0x80 [ 300.202965][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.202965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.202965][ T73] addrconf_f6i_alloc+0x315/0x560 [ 300.202965][ T73] ipv6_add_addr+0x411/0x2000 [ 300.202965][ T73] inet6_addr_add+0x30e/0xa40 [ 300.202965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.202965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.202965][ T73] netlink_rcv_skb+0x130/0x360 [ 300.202965][ T73] netlink_unicast+0x449/0x710 [ 300.202965][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.202965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.202965][ T73] ___sys_sendmsg+0xee/0x170 [ 300.202965][ T73] __sys_sendmsg+0xcd/0x170 [ 300.202965][ T73] do_syscall_64+0xc6/0x1e0 [ 300.202965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.202965][ T73] [ 300.204984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.204984][ T73] netdev_get_by_index+0x5e/0x80 [ 300.204984][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.204984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.204984][ T73] ip6_route_add+0x1c/0x140 [ 300.204984][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 300.204984][ T73] addrconf_add_dev+0xe2/0x170 [ 300.204984][ T73] inet6_addr_add+0x12f/0xa40 [ 300.204984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.204984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.204984][ T73] netlink_rcv_skb+0x130/0x360 [ 300.204984][ T73] netlink_unicast+0x449/0x710 [ 300.204984][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.204984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.204984][ T73] ___sys_sendmsg+0xee/0x170 [ 300.204984][ T73] __sys_sendmsg+0xcd/0x170 [ 300.204984][ T73] do_syscall_64+0xc6/0x1e0 [ 300.204984][ T73] [ 300.206968][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.206968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 300.206968][ T73] ipv6_find_idev+0x102/0x170 [ 300.206968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.206968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.206968][ T73] netlink_rcv_skb+0x130/0x360 [ 300.206968][ T73] netlink_unicast+0x449/0x710 [ 300.206968][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.206968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.206968][ T73] ___sys_sendmsg+0xee/0x170 [ 300.206968][ T73] __sys_sendmsg+0xcd/0x170 [ 300.206968][ T73] do_syscall_64+0xc6/0x1e0 [ 300.206968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.206968][ T73] [ 300.208518][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 300.208518][ T73] neigh_parms_alloc+0x1e5/0x510 [ 300.208518][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 300.208518][ T73] ipv6_find_idev+0x102/0x170 [ 300.208518][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.208518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.208518][ T73] netlink_rcv_skb+0x130/0x360 [ 300.208518][ T73] netlink_unicast+0x449/0x710 [ 300.208518][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.208518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.208518][ T73] ___sys_sendmsg+0xee/0x170 [ 300.208518][ T73] __sys_sendmsg+0xcd/0x170 [ 300.208518][ T73] do_syscall_64+0xc6/0x1e0 [ 300.208518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.208518][ T73] [ 300.210388][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 300.210666][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.210666][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 300.210666][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 300.210666][ T73] fib6_nh_init+0xa22/0x1580 [ 300.210666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.210666][ T73] ip6_route_add+0x1c/0x140 [ 300.210666][ T73] inet6_rtm_newroute+0x104/0x110 [ 300.210666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.210666][ T73] netlink_rcv_skb+0x130/0x360 [ 300.210666][ T73] netlink_unicast+0x449/0x710 [ 300.210666][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.210666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.210666][ T73] ___sys_sendmsg+0xee/0x170 [ 300.210666][ T73] __sys_sendmsg+0xcd/0x170 [ 300.210666][ T73] do_syscall_64+0xc6/0x1e0 [ 300.210666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.210666][ T73] [ 300.212860][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.212860][ T73] dst_init+0x84/0x4a0 [ 300.212860][ T73] dst_alloc+0x97/0x150 [ 300.212860][ T73] ip6_dst_alloc+0x23/0x90 [ 300.212860][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 300.212860][ T73] ip6_pol_route+0x56f/0x840 [ 300.212860][ T73] fib6_rule_lookup+0x456/0x630 [ 300.212860][ T73] ip6_route_input+0x59c/0xa50 [ 300.212860][ T73] ipv6_rcv+0x397/0x810 [ 300.212860][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 300.212860][ T73] process_backlog+0x101/0x620 [ 300.212860][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 300.212860][ T73] net_rx_action+0x495/0xbe0 [ 300.212860][ T73] __do_softirq+0x1b5/0x7f6 [ 300.212860][ T73] [ 300.214684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.214684][ T73] netdev_get_by_index+0x5e/0x80 [ 300.214684][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.214684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.214684][ T73] ip6_route_add+0x1c/0x140 [ 300.214684][ T73] addrconf_prefix_route+0x2a6/0x430 [ 300.214684][ T73] inet6_addr_add+0x4f8/0xa40 [ 300.214684][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.214684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.214684][ T73] netlink_rcv_skb+0x130/0x360 [ 300.214684][ T73] netlink_unicast+0x449/0x710 [ 300.214684][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.214684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.214684][ T73] ___sys_sendmsg+0xee/0x170 [ 300.214684][ T73] __sys_sendmsg+0xcd/0x170 [ 300.214684][ T73] do_syscall_64+0xc6/0x1e0 [ 300.214684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.214684][ T73] [ 300.216874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.216874][ T73] netdev_get_by_index+0x5e/0x80 [ 300.216874][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.216874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.216874][ T73] addrconf_f6i_alloc+0x315/0x560 [ 300.216874][ T73] ipv6_add_addr+0x411/0x2000 [ 300.216874][ T73] inet6_addr_add+0x30e/0xa40 [ 300.216874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.216874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.216874][ T73] netlink_rcv_skb+0x130/0x360 [ 300.216874][ T73] netlink_unicast+0x449/0x710 [ 300.216874][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.216874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.216874][ T73] ___sys_sendmsg+0xee/0x170 [ 300.216874][ T73] __sys_sendmsg+0xcd/0x170 [ 300.216874][ T73] do_syscall_64+0xc6/0x1e0 [ 300.216874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.216874][ T73] [ 300.219124][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.219124][ T73] netdev_get_by_index+0x5e/0x80 [ 300.219124][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.219124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.219124][ T73] ip6_route_add+0x1c/0x140 [ 300.219124][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 300.219124][ T73] addrconf_add_dev+0xe2/0x170 [ 300.219124][ T73] inet6_addr_add+0x12f/0xa40 [ 300.219124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.219124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.219124][ T73] netlink_rcv_skb+0x130/0x360 [ 300.219124][ T73] netlink_unicast+0x449/0x710 [ 300.219124][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.219124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.219124][ T73] ___sys_sendmsg+0xee/0x170 [ 300.219124][ T73] __sys_sendmsg+0xcd/0x170 [ 300.219124][ T73] do_syscall_64+0xc6/0x1e0 [ 300.219124][ T73] [ 300.221398][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.221398][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 300.221398][ T73] ipv6_find_idev+0x102/0x170 [ 300.221398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.221398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.221398][ T73] netlink_rcv_skb+0x130/0x360 [ 300.221398][ T73] netlink_unicast+0x449/0x710 [ 300.221398][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.221398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.221398][ T73] ___sys_sendmsg+0xee/0x170 [ 300.221398][ T73] __sys_sendmsg+0xcd/0x170 [ 300.221398][ T73] do_syscall_64+0xc6/0x1e0 [ 300.221398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.221398][ T73] [ 300.223132][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 300.223132][ T73] neigh_parms_alloc+0x1e5/0x510 [ 300.223132][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 300.223132][ T73] ipv6_find_idev+0x102/0x170 [ 300.223132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.223132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.223132][ T73] netlink_rcv_skb+0x130/0x360 [ 300.223132][ T73] netlink_unicast+0x449/0x710 [ 300.223132][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.223132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.223132][ T73] ___sys_sendmsg+0xee/0x170 [ 300.223132][ T73] __sys_sendmsg+0xcd/0x170 [ 300.223132][ T73] do_syscall_64+0xc6/0x1e0 [ 300.223132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.223132][ T73] [ 300.225040][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 300.225378][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 300.225378][ T73] netdev_get_by_index+0x5e/0x80 [ 300.225378][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.225378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.225378][ T73] addrconf_f6i_alloc+0x265/0x560 [ 300.225378][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 300.225378][ T73] addrconf_join_anycast+0x1c0/0x220 [ 300.225378][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 300.225378][ T73] addrconf_dad_completed+0x12b/0xe20 [ 300.225378][ T73] addrconf_dad_begin+0x310/0x670 [ 300.225378][ T73] addrconf_dad_work+0x10b/0xab0 [ 300.225378][ T73] process_one_work+0x84d/0x18a0 [ 300.225378][ T73] worker_thread+0x587/0xd30 [ 300.225378][ T73] kthread+0x28a/0x350 [ 300.225378][ T73] ret_from_fork+0x31/0x70 [ 300.225378][ T73] ret_from_fork_asm+0x1a/0x30 [ 300.225378][ T73] [ 300.227488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 300.227488][ T73] netdev_get_by_index+0x5e/0x80 [ 300.227488][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.227488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.227488][ T73] ip6_route_add+0x1c/0x140 [ 300.227488][ T73] addrconf_prefix_route+0x2a6/0x430 [ 300.227488][ T73] inet6_addr_add+0x4f8/0xa40 [ 300.227488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.227488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.227488][ T73] netlink_rcv_skb+0x130/0x360 [ 300.227488][ T73] netlink_unicast+0x449/0x710 [ 300.227488][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.227488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.227488][ T73] ___sys_sendmsg+0xee/0x170 [ 300.227488][ T73] __sys_sendmsg+0xcd/0x170 [ 300.227488][ T73] do_syscall_64+0xc6/0x1e0 [ 300.227488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.227488][ T73] [ 300.229752][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 300.229752][ T73] netdev_get_by_index+0x5e/0x80 [ 300.229752][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.229752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.229752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 300.229752][ T73] ipv6_add_addr+0x411/0x2000 [ 300.229752][ T73] inet6_addr_add+0x30e/0xa40 [ 300.229752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.229752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.229752][ T73] netlink_rcv_skb+0x130/0x360 [ 300.229752][ T73] netlink_unicast+0x449/0x710 [ 300.229752][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.229752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.229752][ T73] ___sys_sendmsg+0xee/0x170 [ 300.229752][ T73] __sys_sendmsg+0xcd/0x170 [ 300.229752][ T73] do_syscall_64+0xc6/0x1e0 [ 300.229752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.229752][ T73] [ 300.232074][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 300.232074][ T73] netdev_get_by_index+0x5e/0x80 [ 300.232074][ T73] fib6_nh_init+0x3d8/0x1580 [ 300.232074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 300.232074][ T73] ip6_route_add+0x1c/0x140 [ 300.232074][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 300.232074][ T73] addrconf_add_dev+0xe2/0x170 [ 300.232074][ T73] inet6_addr_add+0x12f/0xa40 [ 300.232074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 300.232074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.232074][ T73] netlink_rcv_skb+0x130/0x360 [ 300.232074][ T73] netlink_unicast+0x449/0x710 [ 300.232074][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.232074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.232074][ T73] ___sys_sendmsg+0xee/0x170 [ 300.232074][ T73] __sys_sendmsg+0xcd/0x170 [ 300.232074][ T73] do_syscall_64+0xc6/0x1e0 [ 300.232074][ T73] [ 300.234290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 300.234290][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 300.234290][ T73] ipv6_find_idev+0x102/0x170 [ 300.234290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.234290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.234290][ T73] netlink_rcv_skb+0x130/0x360 [ 300.234290][ T73] netlink_unicast+0x449/0x710 [ 300.234290][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.234290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.234290][ T73] ___sys_sendmsg+0xee/0x170 [ 300.234290][ T73] __sys_sendmsg+0xcd/0x170 [ 300.234290][ T73] do_syscall_64+0xc6/0x1e0 [ 300.234290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.234290][ T73] [ 300.236020][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 300.236020][ T73] neigh_parms_alloc+0x1e5/0x510 [ 300.236020][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 300.236020][ T73] ipv6_find_idev+0x102/0x170 [ 300.236020][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.236020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.236020][ T73] netlink_rcv_skb+0x130/0x360 [ 300.236020][ T73] netlink_unicast+0x449/0x710 [ 300.236020][ T73] netlink_sendmsg+0x723/0xbe0 [ 300.236020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 300.236020][ T73] ___sys_sendmsg+0xee/0x170 [ 300.236020][ T73] __sys_sendmsg+0xcd/0x170 [ 300.236020][ T73] do_syscall_64+0xc6/0x1e0 [ 300.236020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.236020][ T73] [ 310.479022][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 310.479488][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.479488][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 310.479488][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 310.479488][ T73] fib6_nh_init+0xa22/0x1580 [ 310.479488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.479488][ T73] ip6_route_add+0x1c/0x140 [ 310.479488][ T73] inet6_rtm_newroute+0x104/0x110 [ 310.479488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.479488][ T73] netlink_rcv_skb+0x130/0x360 [ 310.479488][ T73] netlink_unicast+0x449/0x710 [ 310.479488][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.479488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.479488][ T73] ___sys_sendmsg+0xee/0x170 [ 310.479488][ T73] __sys_sendmsg+0xcd/0x170 [ 310.479488][ T73] do_syscall_64+0xc6/0x1e0 [ 310.479488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.479488][ T73] [ 310.481484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.481484][ T73] dst_init+0x84/0x4a0 [ 310.481484][ T73] dst_alloc+0x97/0x150 [ 310.481484][ T73] ip6_dst_alloc+0x23/0x90 [ 310.481484][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 310.481484][ T73] ip6_pol_route+0x56f/0x840 [ 310.481484][ T73] fib6_rule_lookup+0x456/0x630 [ 310.481484][ T73] ip6_route_input+0x59c/0xa50 [ 310.481484][ T73] ipv6_rcv+0x397/0x810 [ 310.481484][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 310.481484][ T73] process_backlog+0x101/0x620 [ 310.481484][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 310.481484][ T73] net_rx_action+0x495/0xbe0 [ 310.481484][ T73] __do_softirq+0x1b5/0x7f6 [ 310.481484][ T73] [ 310.483131][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.483131][ T73] netdev_get_by_index+0x5e/0x80 [ 310.483131][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.483131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.483131][ T73] ip6_route_add+0x1c/0x140 [ 310.483131][ T73] addrconf_prefix_route+0x2a6/0x430 [ 310.483131][ T73] inet6_addr_add+0x4f8/0xa40 [ 310.483131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.483131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.483131][ T73] netlink_rcv_skb+0x130/0x360 [ 310.483131][ T73] netlink_unicast+0x449/0x710 [ 310.483131][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.483131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.483131][ T73] ___sys_sendmsg+0xee/0x170 [ 310.483131][ T73] __sys_sendmsg+0xcd/0x170 [ 310.483131][ T73] do_syscall_64+0xc6/0x1e0 [ 310.483131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.483131][ T73] [ 310.485158][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.485158][ T73] netdev_get_by_index+0x5e/0x80 [ 310.485158][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.485158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.485158][ T73] addrconf_f6i_alloc+0x315/0x560 [ 310.485158][ T73] ipv6_add_addr+0x411/0x2000 [ 310.485158][ T73] inet6_addr_add+0x30e/0xa40 [ 310.485158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.485158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.485158][ T73] netlink_rcv_skb+0x130/0x360 [ 310.485158][ T73] netlink_unicast+0x449/0x710 [ 310.485158][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.485158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.485158][ T73] ___sys_sendmsg+0xee/0x170 [ 310.485158][ T73] __sys_sendmsg+0xcd/0x170 [ 310.485158][ T73] do_syscall_64+0xc6/0x1e0 [ 310.485158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.485158][ T73] [ 310.487184][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.487184][ T73] netdev_get_by_index+0x5e/0x80 [ 310.487184][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.487184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.487184][ T73] ip6_route_add+0x1c/0x140 [ 310.487184][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 310.487184][ T73] addrconf_add_dev+0xe2/0x170 [ 310.487184][ T73] inet6_addr_add+0x12f/0xa40 [ 310.487184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.487184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.487184][ T73] netlink_rcv_skb+0x130/0x360 [ 310.487184][ T73] netlink_unicast+0x449/0x710 [ 310.487184][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.487184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.487184][ T73] ___sys_sendmsg+0xee/0x170 [ 310.487184][ T73] __sys_sendmsg+0xcd/0x170 [ 310.487184][ T73] do_syscall_64+0xc6/0x1e0 [ 310.487184][ T73] [ 310.489190][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.489190][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 310.489190][ T73] ipv6_find_idev+0x102/0x170 [ 310.489190][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.489190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.489190][ T73] netlink_rcv_skb+0x130/0x360 [ 310.489190][ T73] netlink_unicast+0x449/0x710 [ 310.489190][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.489190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.489190][ T73] ___sys_sendmsg+0xee/0x170 [ 310.489190][ T73] __sys_sendmsg+0xcd/0x170 [ 310.489190][ T73] do_syscall_64+0xc6/0x1e0 [ 310.489190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.489190][ T73] [ 310.490798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 310.490798][ T73] neigh_parms_alloc+0x1e5/0x510 [ 310.490798][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 310.490798][ T73] ipv6_find_idev+0x102/0x170 [ 310.490798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.490798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.490798][ T73] netlink_rcv_skb+0x130/0x360 [ 310.490798][ T73] netlink_unicast+0x449/0x710 [ 310.490798][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.490798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.490798][ T73] ___sys_sendmsg+0xee/0x170 [ 310.490798][ T73] __sys_sendmsg+0xcd/0x170 [ 310.490798][ T73] do_syscall_64+0xc6/0x1e0 [ 310.490798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.490798][ T73] [ 310.492577][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 310.492877][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.492877][ T73] dst_init+0x84/0x4a0 [ 310.492877][ T73] dst_alloc+0x97/0x150 [ 310.492877][ T73] ip6_dst_alloc+0x23/0x90 [ 310.492877][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 310.492877][ T73] ip6_pol_route+0x56f/0x840 [ 310.492877][ T73] fib6_rule_lookup+0x456/0x630 [ 310.492877][ T73] ip6_route_input+0x59c/0xa50 [ 310.492877][ T73] ipv6_rcv+0x397/0x810 [ 310.492877][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 310.492877][ T73] process_backlog+0x101/0x620 [ 310.492877][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 310.492877][ T73] net_rx_action+0x495/0xbe0 [ 310.492877][ T73] __do_softirq+0x1b5/0x7f6 [ 310.492877][ T73] [ 310.494557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.494557][ T73] netdev_get_by_index+0x5e/0x80 [ 310.494557][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.494557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.494557][ T73] addrconf_f6i_alloc+0x265/0x560 [ 310.494557][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 310.494557][ T73] addrconf_join_anycast+0x1c0/0x220 [ 310.494557][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 310.494557][ T73] addrconf_dad_completed+0x12b/0xe20 [ 310.494557][ T73] addrconf_dad_begin+0x310/0x670 [ 310.494557][ T73] addrconf_dad_work+0x10b/0xab0 [ 310.494557][ T73] process_one_work+0x84d/0x18a0 [ 310.494557][ T73] worker_thread+0x587/0xd30 [ 310.494557][ T73] kthread+0x28a/0x350 [ 310.494557][ T73] ret_from_fork+0x31/0x70 [ 310.494557][ T73] ret_from_fork_asm+0x1a/0x30 [ 310.494557][ T73] [ 310.496493][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.496493][ T73] netdev_get_by_index+0x5e/0x80 [ 310.496493][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.496493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.496493][ T73] ip6_route_add+0x1c/0x140 [ 310.496493][ T73] addrconf_prefix_route+0x2a6/0x430 [ 310.496493][ T73] inet6_addr_add+0x4f8/0xa40 [ 310.496493][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.496493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.496493][ T73] netlink_rcv_skb+0x130/0x360 [ 310.496493][ T73] netlink_unicast+0x449/0x710 [ 310.496493][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.496493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.496493][ T73] ___sys_sendmsg+0xee/0x170 [ 310.496493][ T73] __sys_sendmsg+0xcd/0x170 [ 310.496493][ T73] do_syscall_64+0xc6/0x1e0 [ 310.496493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.496493][ T73] [ 310.498530][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.498530][ T73] netdev_get_by_index+0x5e/0x80 [ 310.498530][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.498530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.498530][ T73] addrconf_f6i_alloc+0x315/0x560 [ 310.498530][ T73] ipv6_add_addr+0x411/0x2000 [ 310.498530][ T73] inet6_addr_add+0x30e/0xa40 [ 310.498530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.498530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.498530][ T73] netlink_rcv_skb+0x130/0x360 [ 310.498530][ T73] netlink_unicast+0x449/0x710 [ 310.498530][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.498530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.498530][ T73] ___sys_sendmsg+0xee/0x170 [ 310.498530][ T73] __sys_sendmsg+0xcd/0x170 [ 310.498530][ T73] do_syscall_64+0xc6/0x1e0 [ 310.498530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.498530][ T73] [ 310.500557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.500557][ T73] netdev_get_by_index+0x5e/0x80 [ 310.500557][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.500557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.500557][ T73] ip6_route_add+0x1c/0x140 [ 310.500557][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 310.500557][ T73] addrconf_add_dev+0xe2/0x170 [ 310.500557][ T73] inet6_addr_add+0x12f/0xa40 [ 310.500557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.500557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.500557][ T73] netlink_rcv_skb+0x130/0x360 [ 310.500557][ T73] netlink_unicast+0x449/0x710 [ 310.500557][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.500557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.500557][ T73] ___sys_sendmsg+0xee/0x170 [ 310.500557][ T73] __sys_sendmsg+0xcd/0x170 [ 310.500557][ T73] do_syscall_64+0xc6/0x1e0 [ 310.500557][ T73] [ 310.502536][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.502536][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 310.502536][ T73] ipv6_find_idev+0x102/0x170 [ 310.502536][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.502536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.502536][ T73] netlink_rcv_skb+0x130/0x360 [ 310.502536][ T73] netlink_unicast+0x449/0x710 [ 310.502536][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.502536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.502536][ T73] ___sys_sendmsg+0xee/0x170 [ 310.502536][ T73] __sys_sendmsg+0xcd/0x170 [ 310.502536][ T73] do_syscall_64+0xc6/0x1e0 [ 310.502536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.502536][ T73] [ 310.504090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 310.504090][ T73] neigh_parms_alloc+0x1e5/0x510 [ 310.504090][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 310.504090][ T73] ipv6_find_idev+0x102/0x170 [ 310.504090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.504090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.504090][ T73] netlink_rcv_skb+0x130/0x360 [ 310.504090][ T73] netlink_unicast+0x449/0x710 [ 310.504090][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.504090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.504090][ T73] ___sys_sendmsg+0xee/0x170 [ 310.504090][ T73] __sys_sendmsg+0xcd/0x170 [ 310.504090][ T73] do_syscall_64+0xc6/0x1e0 [ 310.504090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.504090][ T73] [ 310.505941][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 310.506215][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.506215][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 310.506215][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 310.506215][ T73] fib6_nh_init+0xa22/0x1580 [ 310.506215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.506215][ T73] ip6_route_add+0x1c/0x140 [ 310.506215][ T73] inet6_rtm_newroute+0x104/0x110 [ 310.506215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.506215][ T73] netlink_rcv_skb+0x130/0x360 [ 310.506215][ T73] netlink_unicast+0x449/0x710 [ 310.506215][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.506215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.506215][ T73] ___sys_sendmsg+0xee/0x170 [ 310.506215][ T73] __sys_sendmsg+0xcd/0x170 [ 310.506215][ T73] do_syscall_64+0xc6/0x1e0 [ 310.506215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.506215][ T73] [ 310.508416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.508416][ T73] dst_init+0x84/0x4a0 [ 310.508416][ T73] dst_alloc+0x97/0x150 [ 310.508416][ T73] ip6_dst_alloc+0x23/0x90 [ 310.508416][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 310.508416][ T73] ip6_pol_route+0x56f/0x840 [ 310.508416][ T73] fib6_rule_lookup+0x456/0x630 [ 310.508416][ T73] ip6_route_input+0x59c/0xa50 [ 310.508416][ T73] ipv6_rcv+0x397/0x810 [ 310.508416][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 310.508416][ T73] process_backlog+0x101/0x620 [ 310.508416][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 310.508416][ T73] net_rx_action+0x495/0xbe0 [ 310.508416][ T73] __do_softirq+0x1b5/0x7f6 [ 310.508416][ T73] [ 310.510259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.510259][ T73] netdev_get_by_index+0x5e/0x80 [ 310.510259][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.510259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.510259][ T73] ip6_route_add+0x1c/0x140 [ 310.510259][ T73] addrconf_prefix_route+0x2a6/0x430 [ 310.510259][ T73] inet6_addr_add+0x4f8/0xa40 [ 310.510259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.510259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.510259][ T73] netlink_rcv_skb+0x130/0x360 [ 310.510259][ T73] netlink_unicast+0x449/0x710 [ 310.510259][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.510259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.510259][ T73] ___sys_sendmsg+0xee/0x170 [ 310.510259][ T73] __sys_sendmsg+0xcd/0x170 [ 310.510259][ T73] do_syscall_64+0xc6/0x1e0 [ 310.510259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.510259][ T73] [ 310.512462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.512462][ T73] netdev_get_by_index+0x5e/0x80 [ 310.512462][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.512462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.512462][ T73] addrconf_f6i_alloc+0x315/0x560 [ 310.512462][ T73] ipv6_add_addr+0x411/0x2000 [ 310.512462][ T73] inet6_addr_add+0x30e/0xa40 [ 310.512462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.512462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.512462][ T73] netlink_rcv_skb+0x130/0x360 [ 310.512462][ T73] netlink_unicast+0x449/0x710 [ 310.512462][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.512462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.512462][ T73] ___sys_sendmsg+0xee/0x170 [ 310.512462][ T73] __sys_sendmsg+0xcd/0x170 [ 310.512462][ T73] do_syscall_64+0xc6/0x1e0 [ 310.512462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.512462][ T73] [ 310.514727][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.514727][ T73] netdev_get_by_index+0x5e/0x80 [ 310.514727][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.514727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.514727][ T73] ip6_route_add+0x1c/0x140 [ 310.514727][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 310.514727][ T73] addrconf_add_dev+0xe2/0x170 [ 310.514727][ T73] inet6_addr_add+0x12f/0xa40 [ 310.514727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.514727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.514727][ T73] netlink_rcv_skb+0x130/0x360 [ 310.514727][ T73] netlink_unicast+0x449/0x710 [ 310.514727][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.514727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.514727][ T73] ___sys_sendmsg+0xee/0x170 [ 310.514727][ T73] __sys_sendmsg+0xcd/0x170 [ 310.514727][ T73] do_syscall_64+0xc6/0x1e0 [ 310.514727][ T73] [ 310.517043][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.517043][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 310.517043][ T73] ipv6_find_idev+0x102/0x170 [ 310.517043][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.517043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.517043][ T73] netlink_rcv_skb+0x130/0x360 [ 310.517043][ T73] netlink_unicast+0x449/0x710 [ 310.517043][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.517043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.517043][ T73] ___sys_sendmsg+0xee/0x170 [ 310.517043][ T73] __sys_sendmsg+0xcd/0x170 [ 310.517043][ T73] do_syscall_64+0xc6/0x1e0 [ 310.517043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.517043][ T73] [ 310.518766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 310.518766][ T73] neigh_parms_alloc+0x1e5/0x510 [ 310.518766][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 310.518766][ T73] ipv6_find_idev+0x102/0x170 [ 310.518766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.518766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.518766][ T73] netlink_rcv_skb+0x130/0x360 [ 310.518766][ T73] netlink_unicast+0x449/0x710 [ 310.518766][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.518766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.518766][ T73] ___sys_sendmsg+0xee/0x170 [ 310.518766][ T73] __sys_sendmsg+0xcd/0x170 [ 310.518766][ T73] do_syscall_64+0xc6/0x1e0 [ 310.518766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.518766][ T73] [ 310.520671][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 310.521473][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 310.521473][ T73] netdev_get_by_index+0x5e/0x80 [ 310.521473][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.521473][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.521473][ T73] addrconf_f6i_alloc+0x265/0x560 [ 310.521473][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 310.521473][ T73] addrconf_join_anycast+0x1c0/0x220 [ 310.521473][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 310.521473][ T73] addrconf_dad_completed+0x12b/0xe20 [ 310.521473][ T73] addrconf_dad_begin+0x310/0x670 [ 310.521473][ T73] addrconf_dad_work+0x10b/0xab0 [ 310.521473][ T73] process_one_work+0x84d/0x18a0 [ 310.521473][ T73] worker_thread+0x587/0xd30 [ 310.521473][ T73] kthread+0x28a/0x350 [ 310.521473][ T73] ret_from_fork+0x31/0x70 [ 310.521473][ T73] ret_from_fork_asm+0x1a/0x30 [ 310.521473][ T73] [ 310.523389][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 310.523389][ T73] netdev_get_by_index+0x5e/0x80 [ 310.523389][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.523389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.523389][ T73] ip6_route_add+0x1c/0x140 [ 310.523389][ T73] addrconf_prefix_route+0x2a6/0x430 [ 310.523389][ T73] inet6_addr_add+0x4f8/0xa40 [ 310.523389][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.523389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.523389][ T73] netlink_rcv_skb+0x130/0x360 [ 310.523389][ T73] netlink_unicast+0x449/0x710 [ 310.523389][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.523389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.523389][ T73] ___sys_sendmsg+0xee/0x170 [ 310.523389][ T73] __sys_sendmsg+0xcd/0x170 [ 310.523389][ T73] do_syscall_64+0xc6/0x1e0 [ 310.523389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.523389][ T73] [ 310.525393][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 310.525393][ T73] netdev_get_by_index+0x5e/0x80 [ 310.525393][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.525393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.525393][ T73] addrconf_f6i_alloc+0x315/0x560 [ 310.525393][ T73] ipv6_add_addr+0x411/0x2000 [ 310.525393][ T73] inet6_addr_add+0x30e/0xa40 [ 310.525393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.525393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.525393][ T73] netlink_rcv_skb+0x130/0x360 [ 310.525393][ T73] netlink_unicast+0x449/0x710 [ 310.525393][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.525393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.525393][ T73] ___sys_sendmsg+0xee/0x170 [ 310.525393][ T73] __sys_sendmsg+0xcd/0x170 [ 310.525393][ T73] do_syscall_64+0xc6/0x1e0 [ 310.525393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.525393][ T73] [ 310.527778][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 310.527778][ T73] netdev_get_by_index+0x5e/0x80 [ 310.527778][ T73] fib6_nh_init+0x3d8/0x1580 [ 310.527778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 310.527778][ T73] ip6_route_add+0x1c/0x140 [ 310.527778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 310.527778][ T73] addrconf_add_dev+0xe2/0x170 [ 310.527778][ T73] inet6_addr_add+0x12f/0xa40 [ 310.527778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 310.527778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.527778][ T73] netlink_rcv_skb+0x130/0x360 [ 310.527778][ T73] netlink_unicast+0x449/0x710 [ 310.527778][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.527778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.527778][ T73] ___sys_sendmsg+0xee/0x170 [ 310.527778][ T73] __sys_sendmsg+0xcd/0x170 [ 310.527778][ T73] do_syscall_64+0xc6/0x1e0 [ 310.527778][ T73] [ 310.530065][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 310.530065][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 310.530065][ T73] ipv6_find_idev+0x102/0x170 [ 310.530065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.530065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.530065][ T73] netlink_rcv_skb+0x130/0x360 [ 310.530065][ T73] netlink_unicast+0x449/0x710 [ 310.530065][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.530065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.530065][ T73] ___sys_sendmsg+0xee/0x170 [ 310.530065][ T73] __sys_sendmsg+0xcd/0x170 [ 310.530065][ T73] do_syscall_64+0xc6/0x1e0 [ 310.530065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.530065][ T73] [ 310.531795][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 310.531795][ T73] neigh_parms_alloc+0x1e5/0x510 [ 310.531795][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 310.531795][ T73] ipv6_find_idev+0x102/0x170 [ 310.531795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.531795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.531795][ T73] netlink_rcv_skb+0x130/0x360 [ 310.531795][ T73] netlink_unicast+0x449/0x710 [ 310.531795][ T73] netlink_sendmsg+0x723/0xbe0 [ 310.531795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 310.531795][ T73] ___sys_sendmsg+0xee/0x170 [ 310.531795][ T73] __sys_sendmsg+0xcd/0x170 [ 310.531795][ T73] do_syscall_64+0xc6/0x1e0 [ 310.531795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.531795][ T73] [ 320.750926][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 320.751396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.751396][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 320.751396][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 320.751396][ T73] fib6_nh_init+0xa22/0x1580 [ 320.751396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.751396][ T73] ip6_route_add+0x1c/0x140 [ 320.751396][ T73] inet6_rtm_newroute+0x104/0x110 [ 320.751396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.751396][ T73] netlink_rcv_skb+0x130/0x360 [ 320.751396][ T73] netlink_unicast+0x449/0x710 [ 320.751396][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.751396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.751396][ T73] ___sys_sendmsg+0xee/0x170 [ 320.751396][ T73] __sys_sendmsg+0xcd/0x170 [ 320.751396][ T73] do_syscall_64+0xc6/0x1e0 [ 320.751396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.751396][ T73] [ 320.753543][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.753543][ T73] dst_init+0x84/0x4a0 [ 320.753543][ T73] dst_alloc+0x97/0x150 [ 320.753543][ T73] ip6_dst_alloc+0x23/0x90 [ 320.753543][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 320.753543][ T73] ip6_pol_route+0x56f/0x840 [ 320.753543][ T73] fib6_rule_lookup+0x456/0x630 [ 320.753543][ T73] ip6_route_input+0x59c/0xa50 [ 320.753543][ T73] ipv6_rcv+0x397/0x810 [ 320.753543][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 320.753543][ T73] process_backlog+0x101/0x620 [ 320.753543][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 320.753543][ T73] net_rx_action+0x495/0xbe0 [ 320.753543][ T73] __do_softirq+0x1b5/0x7f6 [ 320.753543][ T73] [ 320.755287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.755287][ T73] netdev_get_by_index+0x5e/0x80 [ 320.755287][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.755287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.755287][ T73] ip6_route_add+0x1c/0x140 [ 320.755287][ T73] addrconf_prefix_route+0x2a6/0x430 [ 320.755287][ T73] inet6_addr_add+0x4f8/0xa40 [ 320.755287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.755287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.755287][ T73] netlink_rcv_skb+0x130/0x360 [ 320.755287][ T73] netlink_unicast+0x449/0x710 [ 320.755287][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.755287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.755287][ T73] ___sys_sendmsg+0xee/0x170 [ 320.755287][ T73] __sys_sendmsg+0xcd/0x170 [ 320.755287][ T73] do_syscall_64+0xc6/0x1e0 [ 320.755287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.755287][ T73] [ 320.757427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.757427][ T73] netdev_get_by_index+0x5e/0x80 [ 320.757427][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.757427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.757427][ T73] addrconf_f6i_alloc+0x315/0x560 [ 320.757427][ T73] ipv6_add_addr+0x411/0x2000 [ 320.757427][ T73] inet6_addr_add+0x30e/0xa40 [ 320.757427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.757427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.757427][ T73] netlink_rcv_skb+0x130/0x360 [ 320.757427][ T73] netlink_unicast+0x449/0x710 [ 320.757427][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.757427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.757427][ T73] ___sys_sendmsg+0xee/0x170 [ 320.757427][ T73] __sys_sendmsg+0xcd/0x170 [ 320.757427][ T73] do_syscall_64+0xc6/0x1e0 [ 320.757427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.757427][ T73] [ 320.759611][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.759611][ T73] netdev_get_by_index+0x5e/0x80 [ 320.759611][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.759611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.759611][ T73] ip6_route_add+0x1c/0x140 [ 320.759611][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 320.759611][ T73] addrconf_add_dev+0xe2/0x170 [ 320.759611][ T73] inet6_addr_add+0x12f/0xa40 [ 320.759611][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.759611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.759611][ T73] netlink_rcv_skb+0x130/0x360 [ 320.759611][ T73] netlink_unicast+0x449/0x710 [ 320.759611][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.759611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.759611][ T73] ___sys_sendmsg+0xee/0x170 [ 320.759611][ T73] __sys_sendmsg+0xcd/0x170 [ 320.759611][ T73] do_syscall_64+0xc6/0x1e0 [ 320.759611][ T73] [ 320.762152][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.762152][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 320.762152][ T73] ipv6_find_idev+0x102/0x170 [ 320.762152][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.762152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.762152][ T73] netlink_rcv_skb+0x130/0x360 [ 320.762152][ T73] netlink_unicast+0x449/0x710 [ 320.762152][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.762152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.762152][ T73] ___sys_sendmsg+0xee/0x170 [ 320.762152][ T73] __sys_sendmsg+0xcd/0x170 [ 320.762152][ T73] do_syscall_64+0xc6/0x1e0 [ 320.762152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.762152][ T73] [ 320.763818][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 320.763818][ T73] neigh_parms_alloc+0x1e5/0x510 [ 320.763818][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 320.763818][ T73] ipv6_find_idev+0x102/0x170 [ 320.763818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.763818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.763818][ T73] netlink_rcv_skb+0x130/0x360 [ 320.763818][ T73] netlink_unicast+0x449/0x710 [ 320.763818][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.763818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.763818][ T73] ___sys_sendmsg+0xee/0x170 [ 320.763818][ T73] __sys_sendmsg+0xcd/0x170 [ 320.763818][ T73] do_syscall_64+0xc6/0x1e0 [ 320.763818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.763818][ T73] [ 320.765604][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 320.765901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.765901][ T73] dst_init+0x84/0x4a0 [ 320.765901][ T73] dst_alloc+0x97/0x150 [ 320.765901][ T73] ip6_dst_alloc+0x23/0x90 [ 320.765901][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 320.765901][ T73] ip6_pol_route+0x56f/0x840 [ 320.765901][ T73] fib6_rule_lookup+0x456/0x630 [ 320.765901][ T73] ip6_route_input+0x59c/0xa50 [ 320.765901][ T73] ipv6_rcv+0x397/0x810 [ 320.765901][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 320.765901][ T73] process_backlog+0x101/0x620 [ 320.765901][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 320.765901][ T73] net_rx_action+0x495/0xbe0 [ 320.765901][ T73] __do_softirq+0x1b5/0x7f6 [ 320.765901][ T73] [ 320.767562][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.767562][ T73] netdev_get_by_index+0x5e/0x80 [ 320.767562][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.767562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.767562][ T73] addrconf_f6i_alloc+0x265/0x560 [ 320.767562][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 320.767562][ T73] addrconf_join_anycast+0x1c0/0x220 [ 320.767562][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 320.767562][ T73] addrconf_dad_completed+0x12b/0xe20 [ 320.767562][ T73] addrconf_dad_begin+0x310/0x670 [ 320.767562][ T73] addrconf_dad_work+0x10b/0xab0 [ 320.767562][ T73] process_one_work+0x84d/0x18a0 [ 320.767562][ T73] worker_thread+0x587/0xd30 [ 320.767562][ T73] kthread+0x28a/0x350 [ 320.767562][ T73] ret_from_fork+0x31/0x70 [ 320.767562][ T73] ret_from_fork_asm+0x1a/0x30 [ 320.767562][ T73] [ 320.769540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.769540][ T73] netdev_get_by_index+0x5e/0x80 [ 320.769540][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.769540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.769540][ T73] ip6_route_add+0x1c/0x140 [ 320.769540][ T73] addrconf_prefix_route+0x2a6/0x430 [ 320.769540][ T73] inet6_addr_add+0x4f8/0xa40 [ 320.769540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.769540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.769540][ T73] netlink_rcv_skb+0x130/0x360 [ 320.769540][ T73] netlink_unicast+0x449/0x710 [ 320.769540][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.769540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.769540][ T73] ___sys_sendmsg+0xee/0x170 [ 320.769540][ T73] __sys_sendmsg+0xcd/0x170 [ 320.769540][ T73] do_syscall_64+0xc6/0x1e0 [ 320.769540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.769540][ T73] [ 320.771628][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.771628][ T73] netdev_get_by_index+0x5e/0x80 [ 320.771628][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.771628][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.771628][ T73] addrconf_f6i_alloc+0x315/0x560 [ 320.771628][ T73] ipv6_add_addr+0x411/0x2000 [ 320.771628][ T73] inet6_addr_add+0x30e/0xa40 [ 320.771628][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.771628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.771628][ T73] netlink_rcv_skb+0x130/0x360 [ 320.771628][ T73] netlink_unicast+0x449/0x710 [ 320.771628][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.771628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.771628][ T73] ___sys_sendmsg+0xee/0x170 [ 320.771628][ T73] __sys_sendmsg+0xcd/0x170 [ 320.771628][ T73] do_syscall_64+0xc6/0x1e0 [ 320.771628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.771628][ T73] [ 320.773781][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.773781][ T73] netdev_get_by_index+0x5e/0x80 [ 320.773781][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.773781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.773781][ T73] ip6_route_add+0x1c/0x140 [ 320.773781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 320.773781][ T73] addrconf_add_dev+0xe2/0x170 [ 320.773781][ T73] inet6_addr_add+0x12f/0xa40 [ 320.773781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.773781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.773781][ T73] netlink_rcv_skb+0x130/0x360 [ 320.773781][ T73] netlink_unicast+0x449/0x710 [ 320.773781][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.773781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.773781][ T73] ___sys_sendmsg+0xee/0x170 [ 320.773781][ T73] __sys_sendmsg+0xcd/0x170 [ 320.773781][ T73] do_syscall_64+0xc6/0x1e0 [ 320.773781][ T73] [ 320.775813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.775813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 320.775813][ T73] ipv6_find_idev+0x102/0x170 [ 320.775813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.775813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.775813][ T73] netlink_rcv_skb+0x130/0x360 [ 320.775813][ T73] netlink_unicast+0x449/0x710 [ 320.775813][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.775813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.775813][ T73] ___sys_sendmsg+0xee/0x170 [ 320.775813][ T73] __sys_sendmsg+0xcd/0x170 [ 320.775813][ T73] do_syscall_64+0xc6/0x1e0 [ 320.775813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.775813][ T73] [ 320.777499][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 320.777499][ T73] neigh_parms_alloc+0x1e5/0x510 [ 320.777499][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 320.777499][ T73] ipv6_find_idev+0x102/0x170 [ 320.777499][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.777499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.777499][ T73] netlink_rcv_skb+0x130/0x360 [ 320.777499][ T73] netlink_unicast+0x449/0x710 [ 320.777499][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.777499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.777499][ T73] ___sys_sendmsg+0xee/0x170 [ 320.777499][ T73] __sys_sendmsg+0xcd/0x170 [ 320.777499][ T73] do_syscall_64+0xc6/0x1e0 [ 320.777499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.777499][ T73] [ 320.779439][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 320.779718][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.779718][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 320.779718][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 320.779718][ T73] fib6_nh_init+0xa22/0x1580 [ 320.779718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.779718][ T73] ip6_route_add+0x1c/0x140 [ 320.779718][ T73] inet6_rtm_newroute+0x104/0x110 [ 320.779718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.779718][ T73] netlink_rcv_skb+0x130/0x360 [ 320.779718][ T73] netlink_unicast+0x449/0x710 [ 320.779718][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.779718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.779718][ T73] ___sys_sendmsg+0xee/0x170 [ 320.779718][ T73] __sys_sendmsg+0xcd/0x170 [ 320.779718][ T73] do_syscall_64+0xc6/0x1e0 [ 320.779718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.779718][ T73] [ 320.782021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.782021][ T73] dst_init+0x84/0x4a0 [ 320.782021][ T73] dst_alloc+0x97/0x150 [ 320.782021][ T73] ip6_dst_alloc+0x23/0x90 [ 320.782021][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 320.782021][ T73] ip6_pol_route+0x56f/0x840 [ 320.782021][ T73] fib6_rule_lookup+0x456/0x630 [ 320.782021][ T73] ip6_route_input+0x59c/0xa50 [ 320.782021][ T73] ipv6_rcv+0x397/0x810 [ 320.782021][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 320.782021][ T73] process_backlog+0x101/0x620 [ 320.782021][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 320.782021][ T73] net_rx_action+0x495/0xbe0 [ 320.782021][ T73] __do_softirq+0x1b5/0x7f6 [ 320.782021][ T73] [ 320.783984][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.783984][ T73] netdev_get_by_index+0x5e/0x80 [ 320.783984][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.783984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.783984][ T73] ip6_route_add+0x1c/0x140 [ 320.783984][ T73] addrconf_prefix_route+0x2a6/0x430 [ 320.783984][ T73] inet6_addr_add+0x4f8/0xa40 [ 320.783984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.783984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.783984][ T73] netlink_rcv_skb+0x130/0x360 [ 320.783984][ T73] netlink_unicast+0x449/0x710 [ 320.783984][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.783984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.783984][ T73] ___sys_sendmsg+0xee/0x170 [ 320.783984][ T73] __sys_sendmsg+0xcd/0x170 [ 320.783984][ T73] do_syscall_64+0xc6/0x1e0 [ 320.783984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.783984][ T73] [ 320.786167][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.786167][ T73] netdev_get_by_index+0x5e/0x80 [ 320.786167][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.786167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.786167][ T73] addrconf_f6i_alloc+0x315/0x560 [ 320.786167][ T73] ipv6_add_addr+0x411/0x2000 [ 320.786167][ T73] inet6_addr_add+0x30e/0xa40 [ 320.786167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.786167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.786167][ T73] netlink_rcv_skb+0x130/0x360 [ 320.786167][ T73] netlink_unicast+0x449/0x710 [ 320.786167][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.786167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.786167][ T73] ___sys_sendmsg+0xee/0x170 [ 320.786167][ T73] __sys_sendmsg+0xcd/0x170 [ 320.786167][ T73] do_syscall_64+0xc6/0x1e0 [ 320.786167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.786167][ T73] [ 320.788426][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.788426][ T73] netdev_get_by_index+0x5e/0x80 [ 320.788426][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.788426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.788426][ T73] ip6_route_add+0x1c/0x140 [ 320.788426][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 320.788426][ T73] addrconf_add_dev+0xe2/0x170 [ 320.788426][ T73] inet6_addr_add+0x12f/0xa40 [ 320.788426][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.788426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.788426][ T73] netlink_rcv_skb+0x130/0x360 [ 320.788426][ T73] netlink_unicast+0x449/0x710 [ 320.788426][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.788426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.788426][ T73] ___sys_sendmsg+0xee/0x170 [ 320.788426][ T73] __sys_sendmsg+0xcd/0x170 [ 320.788426][ T73] do_syscall_64+0xc6/0x1e0 [ 320.788426][ T73] [ 320.790804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.790804][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 320.790804][ T73] ipv6_find_idev+0x102/0x170 [ 320.790804][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.790804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.790804][ T73] netlink_rcv_skb+0x130/0x360 [ 320.790804][ T73] netlink_unicast+0x449/0x710 [ 320.790804][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.790804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.790804][ T73] ___sys_sendmsg+0xee/0x170 [ 320.790804][ T73] __sys_sendmsg+0xcd/0x170 [ 320.790804][ T73] do_syscall_64+0xc6/0x1e0 [ 320.790804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.790804][ T73] [ 320.792537][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 320.792537][ T73] neigh_parms_alloc+0x1e5/0x510 [ 320.792537][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 320.792537][ T73] ipv6_find_idev+0x102/0x170 [ 320.792537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.792537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.792537][ T73] netlink_rcv_skb+0x130/0x360 [ 320.792537][ T73] netlink_unicast+0x449/0x710 [ 320.792537][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.792537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.792537][ T73] ___sys_sendmsg+0xee/0x170 [ 320.792537][ T73] __sys_sendmsg+0xcd/0x170 [ 320.792537][ T73] do_syscall_64+0xc6/0x1e0 [ 320.792537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.792537][ T73] [ 320.794440][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 320.794788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 320.794788][ T73] netdev_get_by_index+0x5e/0x80 [ 320.794788][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.794788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.794788][ T73] addrconf_f6i_alloc+0x265/0x560 [ 320.794788][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 320.794788][ T73] addrconf_join_anycast+0x1c0/0x220 [ 320.794788][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 320.794788][ T73] addrconf_dad_completed+0x12b/0xe20 [ 320.794788][ T73] addrconf_dad_begin+0x310/0x670 [ 320.794788][ T73] addrconf_dad_work+0x10b/0xab0 [ 320.794788][ T73] process_one_work+0x84d/0x18a0 [ 320.794788][ T73] worker_thread+0x587/0xd30 [ 320.794788][ T73] kthread+0x28a/0x350 [ 320.794788][ T73] ret_from_fork+0x31/0x70 [ 320.794788][ T73] ret_from_fork_asm+0x1a/0x30 [ 320.794788][ T73] [ 320.796961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 320.796961][ T73] netdev_get_by_index+0x5e/0x80 [ 320.796961][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.796961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.796961][ T73] ip6_route_add+0x1c/0x140 [ 320.796961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 320.796961][ T73] inet6_addr_add+0x4f8/0xa40 [ 320.796961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.796961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.796961][ T73] netlink_rcv_skb+0x130/0x360 [ 320.796961][ T73] netlink_unicast+0x449/0x710 [ 320.796961][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.796961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.796961][ T73] ___sys_sendmsg+0xee/0x170 [ 320.796961][ T73] __sys_sendmsg+0xcd/0x170 [ 320.796961][ T73] do_syscall_64+0xc6/0x1e0 [ 320.796961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.796961][ T73] [ 320.799243][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 320.799243][ T73] netdev_get_by_index+0x5e/0x80 [ 320.799243][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.799243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.799243][ T73] addrconf_f6i_alloc+0x315/0x560 [ 320.799243][ T73] ipv6_add_addr+0x411/0x2000 [ 320.799243][ T73] inet6_addr_add+0x30e/0xa40 [ 320.799243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.799243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.799243][ T73] netlink_rcv_skb+0x130/0x360 [ 320.799243][ T73] netlink_unicast+0x449/0x710 [ 320.799243][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.799243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.799243][ T73] ___sys_sendmsg+0xee/0x170 [ 320.799243][ T73] __sys_sendmsg+0xcd/0x170 [ 320.799243][ T73] do_syscall_64+0xc6/0x1e0 [ 320.799243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.799243][ T73] [ 320.801599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 320.801599][ T73] netdev_get_by_index+0x5e/0x80 [ 320.801599][ T73] fib6_nh_init+0x3d8/0x1580 [ 320.801599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 320.801599][ T73] ip6_route_add+0x1c/0x140 [ 320.801599][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 320.801599][ T73] addrconf_add_dev+0xe2/0x170 [ 320.801599][ T73] inet6_addr_add+0x12f/0xa40 [ 320.801599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 320.801599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.801599][ T73] netlink_rcv_skb+0x130/0x360 [ 320.801599][ T73] netlink_unicast+0x449/0x710 [ 320.801599][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.801599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.801599][ T73] ___sys_sendmsg+0xee/0x170 [ 320.801599][ T73] __sys_sendmsg+0xcd/0x170 [ 320.801599][ T73] do_syscall_64+0xc6/0x1e0 [ 320.801599][ T73] [ 320.803970][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 320.803970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 320.803970][ T73] ipv6_find_idev+0x102/0x170 [ 320.803970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.803970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.803970][ T73] netlink_rcv_skb+0x130/0x360 [ 320.803970][ T73] netlink_unicast+0x449/0x710 [ 320.803970][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.803970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.803970][ T73] ___sys_sendmsg+0xee/0x170 [ 320.803970][ T73] __sys_sendmsg+0xcd/0x170 [ 320.803970][ T73] do_syscall_64+0xc6/0x1e0 [ 320.803970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.803970][ T73] [ 320.805721][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 320.805721][ T73] neigh_parms_alloc+0x1e5/0x510 [ 320.805721][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 320.805721][ T73] ipv6_find_idev+0x102/0x170 [ 320.805721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.805721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.805721][ T73] netlink_rcv_skb+0x130/0x360 [ 320.805721][ T73] netlink_unicast+0x449/0x710 [ 320.805721][ T73] netlink_sendmsg+0x723/0xbe0 [ 320.805721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 320.805721][ T73] ___sys_sendmsg+0xee/0x170 [ 320.805721][ T73] __sys_sendmsg+0xcd/0x170 [ 320.805721][ T73] do_syscall_64+0xc6/0x1e0 [ 320.805721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.805721][ T73] [ 331.046882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 331.047330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.047330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 331.047330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 331.047330][ T73] fib6_nh_init+0xa22/0x1580 [ 331.047330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.047330][ T73] ip6_route_add+0x1c/0x140 [ 331.047330][ T73] inet6_rtm_newroute+0x104/0x110 [ 331.047330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.047330][ T73] netlink_rcv_skb+0x130/0x360 [ 331.047330][ T73] netlink_unicast+0x449/0x710 [ 331.047330][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.047330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.047330][ T73] ___sys_sendmsg+0xee/0x170 [ 331.047330][ T73] __sys_sendmsg+0xcd/0x170 [ 331.047330][ T73] do_syscall_64+0xc6/0x1e0 [ 331.047330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.047330][ T73] [ 331.049297][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.049297][ T73] dst_init+0x84/0x4a0 [ 331.049297][ T73] dst_alloc+0x97/0x150 [ 331.049297][ T73] ip6_dst_alloc+0x23/0x90 [ 331.049297][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 331.049297][ T73] ip6_pol_route+0x56f/0x840 [ 331.049297][ T73] fib6_rule_lookup+0x456/0x630 [ 331.049297][ T73] ip6_route_input+0x59c/0xa50 [ 331.049297][ T73] ipv6_rcv+0x397/0x810 [ 331.049297][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 331.049297][ T73] process_backlog+0x101/0x620 [ 331.049297][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 331.049297][ T73] net_rx_action+0x495/0xbe0 [ 331.049297][ T73] __do_softirq+0x1b5/0x7f6 [ 331.049297][ T73] [ 331.051066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.051066][ T73] netdev_get_by_index+0x5e/0x80 [ 331.051066][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.051066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.051066][ T73] ip6_route_add+0x1c/0x140 [ 331.051066][ T73] addrconf_prefix_route+0x2a6/0x430 [ 331.051066][ T73] inet6_addr_add+0x4f8/0xa40 [ 331.051066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.051066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.051066][ T73] netlink_rcv_skb+0x130/0x360 [ 331.051066][ T73] netlink_unicast+0x449/0x710 [ 331.051066][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.051066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.051066][ T73] ___sys_sendmsg+0xee/0x170 [ 331.051066][ T73] __sys_sendmsg+0xcd/0x170 [ 331.051066][ T73] do_syscall_64+0xc6/0x1e0 [ 331.051066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.051066][ T73] [ 331.053115][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.053115][ T73] netdev_get_by_index+0x5e/0x80 [ 331.053115][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.053115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.053115][ T73] addrconf_f6i_alloc+0x315/0x560 [ 331.053115][ T73] ipv6_add_addr+0x411/0x2000 [ 331.053115][ T73] inet6_addr_add+0x30e/0xa40 [ 331.053115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.053115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.053115][ T73] netlink_rcv_skb+0x130/0x360 [ 331.053115][ T73] netlink_unicast+0x449/0x710 [ 331.053115][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.053115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.053115][ T73] ___sys_sendmsg+0xee/0x170 [ 331.053115][ T73] __sys_sendmsg+0xcd/0x170 [ 331.053115][ T73] do_syscall_64+0xc6/0x1e0 [ 331.053115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.053115][ T73] [ 331.055190][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.055190][ T73] netdev_get_by_index+0x5e/0x80 [ 331.055190][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.055190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.055190][ T73] ip6_route_add+0x1c/0x140 [ 331.055190][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 331.055190][ T73] addrconf_add_dev+0xe2/0x170 [ 331.055190][ T73] inet6_addr_add+0x12f/0xa40 [ 331.055190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.055190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.055190][ T73] netlink_rcv_skb+0x130/0x360 [ 331.055190][ T73] netlink_unicast+0x449/0x710 [ 331.055190][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.055190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.055190][ T73] ___sys_sendmsg+0xee/0x170 [ 331.055190][ T73] __sys_sendmsg+0xcd/0x170 [ 331.055190][ T73] do_syscall_64+0xc6/0x1e0 [ 331.055190][ T73] [ 331.057234][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.057234][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 331.057234][ T73] ipv6_find_idev+0x102/0x170 [ 331.057234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.057234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.057234][ T73] netlink_rcv_skb+0x130/0x360 [ 331.057234][ T73] netlink_unicast+0x449/0x710 [ 331.057234][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.057234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.057234][ T73] ___sys_sendmsg+0xee/0x170 [ 331.057234][ T73] __sys_sendmsg+0xcd/0x170 [ 331.057234][ T73] do_syscall_64+0xc6/0x1e0 [ 331.057234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.057234][ T73] [ 331.058800][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 331.058800][ T73] neigh_parms_alloc+0x1e5/0x510 [ 331.058800][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 331.058800][ T73] ipv6_find_idev+0x102/0x170 [ 331.058800][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.058800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.058800][ T73] netlink_rcv_skb+0x130/0x360 [ 331.058800][ T73] netlink_unicast+0x449/0x710 [ 331.058800][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.058800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.058800][ T73] ___sys_sendmsg+0xee/0x170 [ 331.058800][ T73] __sys_sendmsg+0xcd/0x170 [ 331.058800][ T73] do_syscall_64+0xc6/0x1e0 [ 331.058800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.058800][ T73] [ 331.060673][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 331.060986][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.060986][ T73] dst_init+0x84/0x4a0 [ 331.060986][ T73] dst_alloc+0x97/0x150 [ 331.060986][ T73] ip6_dst_alloc+0x23/0x90 [ 331.060986][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 331.060986][ T73] ip6_pol_route+0x56f/0x840 [ 331.060986][ T73] fib6_rule_lookup+0x456/0x630 [ 331.060986][ T73] ip6_route_input+0x59c/0xa50 [ 331.060986][ T73] ipv6_rcv+0x397/0x810 [ 331.060986][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 331.060986][ T73] process_backlog+0x101/0x620 [ 331.060986][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 331.060986][ T73] net_rx_action+0x495/0xbe0 [ 331.060986][ T73] __do_softirq+0x1b5/0x7f6 [ 331.060986][ T73] [ 331.062666][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.062666][ T73] netdev_get_by_index+0x5e/0x80 [ 331.062666][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.062666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.062666][ T73] addrconf_f6i_alloc+0x265/0x560 [ 331.062666][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 331.062666][ T73] addrconf_join_anycast+0x1c0/0x220 [ 331.062666][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 331.062666][ T73] addrconf_dad_completed+0x12b/0xe20 [ 331.062666][ T73] addrconf_dad_begin+0x310/0x670 [ 331.062666][ T73] addrconf_dad_work+0x10b/0xab0 [ 331.062666][ T73] process_one_work+0x84d/0x18a0 [ 331.062666][ T73] worker_thread+0x587/0xd30 [ 331.062666][ T73] kthread+0x28a/0x350 [ 331.062666][ T73] ret_from_fork+0x31/0x70 [ 331.062666][ T73] ret_from_fork_asm+0x1a/0x30 [ 331.062666][ T73] [ 331.064650][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.064650][ T73] netdev_get_by_index+0x5e/0x80 [ 331.064650][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.064650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.064650][ T73] ip6_route_add+0x1c/0x140 [ 331.064650][ T73] addrconf_prefix_route+0x2a6/0x430 [ 331.064650][ T73] inet6_addr_add+0x4f8/0xa40 [ 331.064650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.064650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.064650][ T73] netlink_rcv_skb+0x130/0x360 [ 331.064650][ T73] netlink_unicast+0x449/0x710 [ 331.064650][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.064650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.064650][ T73] ___sys_sendmsg+0xee/0x170 [ 331.064650][ T73] __sys_sendmsg+0xcd/0x170 [ 331.064650][ T73] do_syscall_64+0xc6/0x1e0 [ 331.064650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.064650][ T73] [ 331.066879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.066879][ T73] netdev_get_by_index+0x5e/0x80 [ 331.066879][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.066879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.066879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 331.066879][ T73] ipv6_add_addr+0x411/0x2000 [ 331.066879][ T73] inet6_addr_add+0x30e/0xa40 [ 331.066879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.066879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.066879][ T73] netlink_rcv_skb+0x130/0x360 [ 331.066879][ T73] netlink_unicast+0x449/0x710 [ 331.066879][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.066879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.066879][ T73] ___sys_sendmsg+0xee/0x170 [ 331.066879][ T73] __sys_sendmsg+0xcd/0x170 [ 331.066879][ T73] do_syscall_64+0xc6/0x1e0 [ 331.066879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.066879][ T73] [ 331.069003][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.069003][ T73] netdev_get_by_index+0x5e/0x80 [ 331.069003][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.069003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.069003][ T73] ip6_route_add+0x1c/0x140 [ 331.069003][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 331.069003][ T73] addrconf_add_dev+0xe2/0x170 [ 331.069003][ T73] inet6_addr_add+0x12f/0xa40 [ 331.069003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.069003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.069003][ T73] netlink_rcv_skb+0x130/0x360 [ 331.069003][ T73] netlink_unicast+0x449/0x710 [ 331.069003][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.069003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.069003][ T73] ___sys_sendmsg+0xee/0x170 [ 331.069003][ T73] __sys_sendmsg+0xcd/0x170 [ 331.069003][ T73] do_syscall_64+0xc6/0x1e0 [ 331.069003][ T73] [ 331.071114][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.071114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 331.071114][ T73] ipv6_find_idev+0x102/0x170 [ 331.071114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.071114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.071114][ T73] netlink_rcv_skb+0x130/0x360 [ 331.071114][ T73] netlink_unicast+0x449/0x710 [ 331.071114][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.071114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.071114][ T73] ___sys_sendmsg+0xee/0x170 [ 331.071114][ T73] __sys_sendmsg+0xcd/0x170 [ 331.071114][ T73] do_syscall_64+0xc6/0x1e0 [ 331.071114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.071114][ T73] [ 331.072731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 331.072731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 331.072731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 331.072731][ T73] ipv6_find_idev+0x102/0x170 [ 331.072731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.072731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.072731][ T73] netlink_rcv_skb+0x130/0x360 [ 331.072731][ T73] netlink_unicast+0x449/0x710 [ 331.072731][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.072731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.072731][ T73] ___sys_sendmsg+0xee/0x170 [ 331.072731][ T73] __sys_sendmsg+0xcd/0x170 [ 331.072731][ T73] do_syscall_64+0xc6/0x1e0 [ 331.072731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.072731][ T73] [ 331.074670][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 331.075027][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.075027][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 331.075027][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 331.075027][ T73] fib6_nh_init+0xa22/0x1580 [ 331.075027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.075027][ T73] ip6_route_add+0x1c/0x140 [ 331.075027][ T73] inet6_rtm_newroute+0x104/0x110 [ 331.075027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.075027][ T73] netlink_rcv_skb+0x130/0x360 [ 331.075027][ T73] netlink_unicast+0x449/0x710 [ 331.075027][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.075027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.075027][ T73] ___sys_sendmsg+0xee/0x170 [ 331.075027][ T73] __sys_sendmsg+0xcd/0x170 [ 331.075027][ T73] do_syscall_64+0xc6/0x1e0 [ 331.075027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.075027][ T73] [ 331.077245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.077245][ T73] dst_init+0x84/0x4a0 [ 331.077245][ T73] dst_alloc+0x97/0x150 [ 331.077245][ T73] ip6_dst_alloc+0x23/0x90 [ 331.077245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 331.077245][ T73] ip6_pol_route+0x56f/0x840 [ 331.077245][ T73] fib6_rule_lookup+0x456/0x630 [ 331.077245][ T73] ip6_route_input+0x59c/0xa50 [ 331.077245][ T73] ipv6_rcv+0x397/0x810 [ 331.077245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 331.077245][ T73] process_backlog+0x101/0x620 [ 331.077245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 331.077245][ T73] net_rx_action+0x495/0xbe0 [ 331.077245][ T73] __do_softirq+0x1b5/0x7f6 [ 331.077245][ T73] [ 331.079156][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.079156][ T73] netdev_get_by_index+0x5e/0x80 [ 331.079156][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.079156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.079156][ T73] ip6_route_add+0x1c/0x140 [ 331.079156][ T73] addrconf_prefix_route+0x2a6/0x430 [ 331.079156][ T73] inet6_addr_add+0x4f8/0xa40 [ 331.079156][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.079156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.079156][ T73] netlink_rcv_skb+0x130/0x360 [ 331.079156][ T73] netlink_unicast+0x449/0x710 [ 331.079156][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.079156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.079156][ T73] ___sys_sendmsg+0xee/0x170 [ 331.079156][ T73] __sys_sendmsg+0xcd/0x170 [ 331.079156][ T73] do_syscall_64+0xc6/0x1e0 [ 331.079156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.079156][ T73] [ 331.081509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.081509][ T73] netdev_get_by_index+0x5e/0x80 [ 331.081509][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.081509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.081509][ T73] addrconf_f6i_alloc+0x315/0x560 [ 331.081509][ T73] ipv6_add_addr+0x411/0x2000 [ 331.081509][ T73] inet6_addr_add+0x30e/0xa40 [ 331.081509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.081509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.081509][ T73] netlink_rcv_skb+0x130/0x360 [ 331.081509][ T73] netlink_unicast+0x449/0x710 [ 331.081509][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.081509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.081509][ T73] ___sys_sendmsg+0xee/0x170 [ 331.081509][ T73] __sys_sendmsg+0xcd/0x170 [ 331.081509][ T73] do_syscall_64+0xc6/0x1e0 [ 331.081509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.081509][ T73] [ 331.083854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.083854][ T73] netdev_get_by_index+0x5e/0x80 [ 331.083854][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.083854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.083854][ T73] ip6_route_add+0x1c/0x140 [ 331.083854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 331.083854][ T73] addrconf_add_dev+0xe2/0x170 [ 331.083854][ T73] inet6_addr_add+0x12f/0xa40 [ 331.083854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.083854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.083854][ T73] netlink_rcv_skb+0x130/0x360 [ 331.083854][ T73] netlink_unicast+0x449/0x710 [ 331.083854][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.083854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.083854][ T73] ___sys_sendmsg+0xee/0x170 [ 331.083854][ T73] __sys_sendmsg+0xcd/0x170 [ 331.083854][ T73] do_syscall_64+0xc6/0x1e0 [ 331.083854][ T73] [ 331.086099][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.086099][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 331.086099][ T73] ipv6_find_idev+0x102/0x170 [ 331.086099][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.086099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.086099][ T73] netlink_rcv_skb+0x130/0x360 [ 331.086099][ T73] netlink_unicast+0x449/0x710 [ 331.086099][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.086099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.086099][ T73] ___sys_sendmsg+0xee/0x170 [ 331.086099][ T73] __sys_sendmsg+0xcd/0x170 [ 331.086099][ T73] do_syscall_64+0xc6/0x1e0 [ 331.086099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.086099][ T73] [ 331.087982][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 331.087982][ T73] neigh_parms_alloc+0x1e5/0x510 [ 331.087982][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 331.087982][ T73] ipv6_find_idev+0x102/0x170 [ 331.087982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.087982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.087982][ T73] netlink_rcv_skb+0x130/0x360 [ 331.087982][ T73] netlink_unicast+0x449/0x710 [ 331.087982][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.087982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.087982][ T73] ___sys_sendmsg+0xee/0x170 [ 331.087982][ T73] __sys_sendmsg+0xcd/0x170 [ 331.087982][ T73] do_syscall_64+0xc6/0x1e0 [ 331.087982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.087982][ T73] [ 331.090087][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 331.090425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 331.090425][ T73] netdev_get_by_index+0x5e/0x80 [ 331.090425][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.090425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.090425][ T73] addrconf_f6i_alloc+0x265/0x560 [ 331.090425][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 331.090425][ T73] addrconf_join_anycast+0x1c0/0x220 [ 331.090425][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 331.090425][ T73] addrconf_dad_completed+0x12b/0xe20 [ 331.090425][ T73] addrconf_dad_begin+0x310/0x670 [ 331.090425][ T73] addrconf_dad_work+0x10b/0xab0 [ 331.090425][ T73] process_one_work+0x84d/0x18a0 [ 331.090425][ T73] worker_thread+0x587/0xd30 [ 331.090425][ T73] kthread+0x28a/0x350 [ 331.090425][ T73] ret_from_fork+0x31/0x70 [ 331.090425][ T73] ret_from_fork_asm+0x1a/0x30 [ 331.090425][ T73] [ 331.092632][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 331.092632][ T73] netdev_get_by_index+0x5e/0x80 [ 331.092632][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.092632][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.092632][ T73] ip6_route_add+0x1c/0x140 [ 331.092632][ T73] addrconf_prefix_route+0x2a6/0x430 [ 331.092632][ T73] inet6_addr_add+0x4f8/0xa40 [ 331.092632][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.092632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.092632][ T73] netlink_rcv_skb+0x130/0x360 [ 331.092632][ T73] netlink_unicast+0x449/0x710 [ 331.092632][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.092632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.092632][ T73] ___sys_sendmsg+0xee/0x170 [ 331.092632][ T73] __sys_sendmsg+0xcd/0x170 [ 331.092632][ T73] do_syscall_64+0xc6/0x1e0 [ 331.092632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.092632][ T73] [ 331.094935][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 331.094935][ T73] netdev_get_by_index+0x5e/0x80 [ 331.094935][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.094935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.094935][ T73] addrconf_f6i_alloc+0x315/0x560 [ 331.094935][ T73] ipv6_add_addr+0x411/0x2000 [ 331.094935][ T73] inet6_addr_add+0x30e/0xa40 [ 331.094935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.094935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.094935][ T73] netlink_rcv_skb+0x130/0x360 [ 331.094935][ T73] netlink_unicast+0x449/0x710 [ 331.094935][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.094935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.094935][ T73] ___sys_sendmsg+0xee/0x170 [ 331.094935][ T73] __sys_sendmsg+0xcd/0x170 [ 331.094935][ T73] do_syscall_64+0xc6/0x1e0 [ 331.094935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.094935][ T73] [ 331.097335][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 331.097335][ T73] netdev_get_by_index+0x5e/0x80 [ 331.097335][ T73] fib6_nh_init+0x3d8/0x1580 [ 331.097335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 331.097335][ T73] ip6_route_add+0x1c/0x140 [ 331.097335][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 331.097335][ T73] addrconf_add_dev+0xe2/0x170 [ 331.097335][ T73] inet6_addr_add+0x12f/0xa40 [ 331.097335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 331.097335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.097335][ T73] netlink_rcv_skb+0x130/0x360 [ 331.097335][ T73] netlink_unicast+0x449/0x710 [ 331.097335][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.097335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.097335][ T73] ___sys_sendmsg+0xee/0x170 [ 331.097335][ T73] __sys_sendmsg+0xcd/0x170 [ 331.097335][ T73] do_syscall_64+0xc6/0x1e0 [ 331.097335][ T73] [ 331.099659][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 331.099659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 331.099659][ T73] ipv6_find_idev+0x102/0x170 [ 331.099659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.099659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.099659][ T73] netlink_rcv_skb+0x130/0x360 [ 331.099659][ T73] netlink_unicast+0x449/0x710 [ 331.099659][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.099659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.099659][ T73] ___sys_sendmsg+0xee/0x170 [ 331.099659][ T73] __sys_sendmsg+0xcd/0x170 [ 331.099659][ T73] do_syscall_64+0xc6/0x1e0 [ 331.099659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.099659][ T73] [ 331.101463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 331.101463][ T73] neigh_parms_alloc+0x1e5/0x510 [ 331.101463][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 331.101463][ T73] ipv6_find_idev+0x102/0x170 [ 331.101463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.101463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.101463][ T73] netlink_rcv_skb+0x130/0x360 [ 331.101463][ T73] netlink_unicast+0x449/0x710 [ 331.101463][ T73] netlink_sendmsg+0x723/0xbe0 [ 331.101463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 331.101463][ T73] ___sys_sendmsg+0xee/0x170 [ 331.101463][ T73] __sys_sendmsg+0xcd/0x170 [ 331.101463][ T73] do_syscall_64+0xc6/0x1e0 [ 331.101463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.101463][ T73] [ 341.214989][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 341.215507][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.215507][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 341.215507][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 341.215507][ T73] fib6_nh_init+0xa22/0x1580 [ 341.215507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.215507][ T73] ip6_route_add+0x1c/0x140 [ 341.215507][ T73] inet6_rtm_newroute+0x104/0x110 [ 341.215507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.215507][ T73] netlink_rcv_skb+0x130/0x360 [ 341.215507][ T73] netlink_unicast+0x449/0x710 [ 341.215507][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.215507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.215507][ T73] ___sys_sendmsg+0xee/0x170 [ 341.215507][ T73] __sys_sendmsg+0xcd/0x170 [ 341.215507][ T73] do_syscall_64+0xc6/0x1e0 [ 341.215507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.215507][ T73] [ 341.217798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.217798][ T73] dst_init+0x84/0x4a0 [ 341.217798][ T73] dst_alloc+0x97/0x150 [ 341.217798][ T73] ip6_dst_alloc+0x23/0x90 [ 341.217798][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 341.217798][ T73] ip6_pol_route+0x56f/0x840 [ 341.217798][ T73] fib6_rule_lookup+0x456/0x630 [ 341.217798][ T73] ip6_route_input+0x59c/0xa50 [ 341.217798][ T73] ipv6_rcv+0x397/0x810 [ 341.217798][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 341.217798][ T73] process_backlog+0x101/0x620 [ 341.217798][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 341.217798][ T73] net_rx_action+0x495/0xbe0 [ 341.217798][ T73] __do_softirq+0x1b5/0x7f6 [ 341.217798][ T73] [ 341.219839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.219839][ T73] netdev_get_by_index+0x5e/0x80 [ 341.219839][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.219839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.219839][ T73] ip6_route_add+0x1c/0x140 [ 341.219839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 341.219839][ T73] inet6_addr_add+0x4f8/0xa40 [ 341.219839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.219839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.219839][ T73] netlink_rcv_skb+0x130/0x360 [ 341.219839][ T73] netlink_unicast+0x449/0x710 [ 341.219839][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.219839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.219839][ T73] ___sys_sendmsg+0xee/0x170 [ 341.219839][ T73] __sys_sendmsg+0xcd/0x170 [ 341.219839][ T73] do_syscall_64+0xc6/0x1e0 [ 341.219839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.219839][ T73] [ 341.222266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.222266][ T73] netdev_get_by_index+0x5e/0x80 [ 341.222266][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.222266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.222266][ T73] addrconf_f6i_alloc+0x315/0x560 [ 341.222266][ T73] ipv6_add_addr+0x411/0x2000 [ 341.222266][ T73] inet6_addr_add+0x30e/0xa40 [ 341.222266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.222266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.222266][ T73] netlink_rcv_skb+0x130/0x360 [ 341.222266][ T73] netlink_unicast+0x449/0x710 [ 341.222266][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.222266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.222266][ T73] ___sys_sendmsg+0xee/0x170 [ 341.222266][ T73] __sys_sendmsg+0xcd/0x170 [ 341.222266][ T73] do_syscall_64+0xc6/0x1e0 [ 341.222266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.222266][ T73] [ 341.224717][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.224717][ T73] netdev_get_by_index+0x5e/0x80 [ 341.224717][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.224717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.224717][ T73] ip6_route_add+0x1c/0x140 [ 341.224717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 341.224717][ T73] addrconf_add_dev+0xe2/0x170 [ 341.224717][ T73] inet6_addr_add+0x12f/0xa40 [ 341.224717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.224717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.224717][ T73] netlink_rcv_skb+0x130/0x360 [ 341.224717][ T73] netlink_unicast+0x449/0x710 [ 341.224717][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.224717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.224717][ T73] ___sys_sendmsg+0xee/0x170 [ 341.224717][ T73] __sys_sendmsg+0xcd/0x170 [ 341.224717][ T73] do_syscall_64+0xc6/0x1e0 [ 341.224717][ T73] [ 341.227018][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.227018][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 341.227018][ T73] ipv6_find_idev+0x102/0x170 [ 341.227018][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.227018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.227018][ T73] netlink_rcv_skb+0x130/0x360 [ 341.227018][ T73] netlink_unicast+0x449/0x710 [ 341.227018][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.227018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.227018][ T73] ___sys_sendmsg+0xee/0x170 [ 341.227018][ T73] __sys_sendmsg+0xcd/0x170 [ 341.227018][ T73] do_syscall_64+0xc6/0x1e0 [ 341.227018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.227018][ T73] [ 341.228857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 341.228857][ T73] neigh_parms_alloc+0x1e5/0x510 [ 341.228857][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 341.228857][ T73] ipv6_find_idev+0x102/0x170 [ 341.228857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.228857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.228857][ T73] netlink_rcv_skb+0x130/0x360 [ 341.228857][ T73] netlink_unicast+0x449/0x710 [ 341.228857][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.228857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.228857][ T73] ___sys_sendmsg+0xee/0x170 [ 341.228857][ T73] __sys_sendmsg+0xcd/0x170 [ 341.228857][ T73] do_syscall_64+0xc6/0x1e0 [ 341.228857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.228857][ T73] [ 341.230943][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 341.231271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.231271][ T73] dst_init+0x84/0x4a0 [ 341.231271][ T73] dst_alloc+0x97/0x150 [ 341.231271][ T73] ip6_dst_alloc+0x23/0x90 [ 341.231271][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 341.231271][ T73] ip6_pol_route+0x56f/0x840 [ 341.231271][ T73] fib6_rule_lookup+0x456/0x630 [ 341.231271][ T73] ip6_route_input+0x59c/0xa50 [ 341.231271][ T73] ipv6_rcv+0x397/0x810 [ 341.231271][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 341.231271][ T73] process_backlog+0x101/0x620 [ 341.231271][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 341.231271][ T73] net_rx_action+0x495/0xbe0 [ 341.231271][ T73] __do_softirq+0x1b5/0x7f6 [ 341.231271][ T73] [ 341.233244][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.233244][ T73] netdev_get_by_index+0x5e/0x80 [ 341.233244][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.233244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.233244][ T73] addrconf_f6i_alloc+0x265/0x560 [ 341.233244][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 341.233244][ T73] addrconf_join_anycast+0x1c0/0x220 [ 341.233244][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 341.233244][ T73] addrconf_dad_completed+0x12b/0xe20 [ 341.233244][ T73] addrconf_dad_begin+0x310/0x670 [ 341.233244][ T73] addrconf_dad_work+0x10b/0xab0 [ 341.233244][ T73] process_one_work+0x84d/0x18a0 [ 341.233244][ T73] worker_thread+0x587/0xd30 [ 341.233244][ T73] kthread+0x28a/0x350 [ 341.233244][ T73] ret_from_fork+0x31/0x70 [ 341.233244][ T73] ret_from_fork_asm+0x1a/0x30 [ 341.233244][ T73] [ 341.235521][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.235521][ T73] netdev_get_by_index+0x5e/0x80 [ 341.235521][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.235521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.235521][ T73] ip6_route_add+0x1c/0x140 [ 341.235521][ T73] addrconf_prefix_route+0x2a6/0x430 [ 341.235521][ T73] inet6_addr_add+0x4f8/0xa40 [ 341.235521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.235521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.235521][ T73] netlink_rcv_skb+0x130/0x360 [ 341.235521][ T73] netlink_unicast+0x449/0x710 [ 341.235521][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.235521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.235521][ T73] ___sys_sendmsg+0xee/0x170 [ 341.235521][ T73] __sys_sendmsg+0xcd/0x170 [ 341.235521][ T73] do_syscall_64+0xc6/0x1e0 [ 341.235521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.235521][ T73] [ 341.237973][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.237973][ T73] netdev_get_by_index+0x5e/0x80 [ 341.237973][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.237973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.237973][ T73] addrconf_f6i_alloc+0x315/0x560 [ 341.237973][ T73] ipv6_add_addr+0x411/0x2000 [ 341.237973][ T73] inet6_addr_add+0x30e/0xa40 [ 341.237973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.237973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.237973][ T73] netlink_rcv_skb+0x130/0x360 [ 341.237973][ T73] netlink_unicast+0x449/0x710 [ 341.237973][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.237973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.237973][ T73] ___sys_sendmsg+0xee/0x170 [ 341.237973][ T73] __sys_sendmsg+0xcd/0x170 [ 341.237973][ T73] do_syscall_64+0xc6/0x1e0 [ 341.237973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.237973][ T73] [ 341.240524][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.240524][ T73] netdev_get_by_index+0x5e/0x80 [ 341.240524][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.240524][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.240524][ T73] ip6_route_add+0x1c/0x140 [ 341.240524][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 341.240524][ T73] addrconf_add_dev+0xe2/0x170 [ 341.240524][ T73] inet6_addr_add+0x12f/0xa40 [ 341.240524][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.240524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.240524][ T73] netlink_rcv_skb+0x130/0x360 [ 341.240524][ T73] netlink_unicast+0x449/0x710 [ 341.240524][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.240524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.240524][ T73] ___sys_sendmsg+0xee/0x170 [ 341.240524][ T73] __sys_sendmsg+0xcd/0x170 [ 341.240524][ T73] do_syscall_64+0xc6/0x1e0 [ 341.240524][ T73] [ 341.242734][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.242734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 341.242734][ T73] ipv6_find_idev+0x102/0x170 [ 341.242734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.242734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.242734][ T73] netlink_rcv_skb+0x130/0x360 [ 341.242734][ T73] netlink_unicast+0x449/0x710 [ 341.242734][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.242734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.242734][ T73] ___sys_sendmsg+0xee/0x170 [ 341.242734][ T73] __sys_sendmsg+0xcd/0x170 [ 341.242734][ T73] do_syscall_64+0xc6/0x1e0 [ 341.242734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.242734][ T73] [ 341.244445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 341.244445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 341.244445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 341.244445][ T73] ipv6_find_idev+0x102/0x170 [ 341.244445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.244445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.244445][ T73] netlink_rcv_skb+0x130/0x360 [ 341.244445][ T73] netlink_unicast+0x449/0x710 [ 341.244445][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.244445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.244445][ T73] ___sys_sendmsg+0xee/0x170 [ 341.244445][ T73] __sys_sendmsg+0xcd/0x170 [ 341.244445][ T73] do_syscall_64+0xc6/0x1e0 [ 341.244445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.244445][ T73] [ 341.246484][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 341.246797][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.246797][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 341.246797][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 341.246797][ T73] fib6_nh_init+0xa22/0x1580 [ 341.246797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.246797][ T73] ip6_route_add+0x1c/0x140 [ 341.246797][ T73] inet6_rtm_newroute+0x104/0x110 [ 341.246797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.246797][ T73] netlink_rcv_skb+0x130/0x360 [ 341.246797][ T73] netlink_unicast+0x449/0x710 [ 341.246797][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.246797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.246797][ T73] ___sys_sendmsg+0xee/0x170 [ 341.246797][ T73] __sys_sendmsg+0xcd/0x170 [ 341.246797][ T73] do_syscall_64+0xc6/0x1e0 [ 341.246797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.246797][ T73] [ 341.249139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.249139][ T73] dst_init+0x84/0x4a0 [ 341.249139][ T73] dst_alloc+0x97/0x150 [ 341.249139][ T73] ip6_dst_alloc+0x23/0x90 [ 341.249139][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 341.249139][ T73] ip6_pol_route+0x56f/0x840 [ 341.249139][ T73] fib6_rule_lookup+0x456/0x630 [ 341.249139][ T73] ip6_route_input+0x59c/0xa50 [ 341.249139][ T73] ipv6_rcv+0x397/0x810 [ 341.249139][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 341.249139][ T73] process_backlog+0x101/0x620 [ 341.249139][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 341.249139][ T73] net_rx_action+0x495/0xbe0 [ 341.249139][ T73] __do_softirq+0x1b5/0x7f6 [ 341.249139][ T73] [ 341.251022][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.251022][ T73] netdev_get_by_index+0x5e/0x80 [ 341.251022][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.251022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.251022][ T73] ip6_route_add+0x1c/0x140 [ 341.251022][ T73] addrconf_prefix_route+0x2a6/0x430 [ 341.251022][ T73] inet6_addr_add+0x4f8/0xa40 [ 341.251022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.251022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.251022][ T73] netlink_rcv_skb+0x130/0x360 [ 341.251022][ T73] netlink_unicast+0x449/0x710 [ 341.251022][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.251022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.251022][ T73] ___sys_sendmsg+0xee/0x170 [ 341.251022][ T73] __sys_sendmsg+0xcd/0x170 [ 341.251022][ T73] do_syscall_64+0xc6/0x1e0 [ 341.251022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.251022][ T73] [ 341.253324][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.253324][ T73] netdev_get_by_index+0x5e/0x80 [ 341.253324][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.253324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.253324][ T73] addrconf_f6i_alloc+0x315/0x560 [ 341.253324][ T73] ipv6_add_addr+0x411/0x2000 [ 341.253324][ T73] inet6_addr_add+0x30e/0xa40 [ 341.253324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.253324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.253324][ T73] netlink_rcv_skb+0x130/0x360 [ 341.253324][ T73] netlink_unicast+0x449/0x710 [ 341.253324][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.253324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.253324][ T73] ___sys_sendmsg+0xee/0x170 [ 341.253324][ T73] __sys_sendmsg+0xcd/0x170 [ 341.253324][ T73] do_syscall_64+0xc6/0x1e0 [ 341.253324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.253324][ T73] [ 341.255820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.255820][ T73] netdev_get_by_index+0x5e/0x80 [ 341.255820][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.255820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.255820][ T73] ip6_route_add+0x1c/0x140 [ 341.255820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 341.255820][ T73] addrconf_add_dev+0xe2/0x170 [ 341.255820][ T73] inet6_addr_add+0x12f/0xa40 [ 341.255820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.255820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.255820][ T73] netlink_rcv_skb+0x130/0x360 [ 341.255820][ T73] netlink_unicast+0x449/0x710 [ 341.255820][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.255820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.255820][ T73] ___sys_sendmsg+0xee/0x170 [ 341.255820][ T73] __sys_sendmsg+0xcd/0x170 [ 341.255820][ T73] do_syscall_64+0xc6/0x1e0 [ 341.255820][ T73] [ 341.258535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.258535][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 341.258535][ T73] ipv6_find_idev+0x102/0x170 [ 341.258535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.258535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.258535][ T73] netlink_rcv_skb+0x130/0x360 [ 341.258535][ T73] netlink_unicast+0x449/0x710 [ 341.258535][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.258535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.258535][ T73] ___sys_sendmsg+0xee/0x170 [ 341.258535][ T73] __sys_sendmsg+0xcd/0x170 [ 341.258535][ T73] do_syscall_64+0xc6/0x1e0 [ 341.258535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.258535][ T73] [ 341.260504][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 341.260504][ T73] neigh_parms_alloc+0x1e5/0x510 [ 341.260504][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 341.260504][ T73] ipv6_find_idev+0x102/0x170 [ 341.260504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.260504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.260504][ T73] netlink_rcv_skb+0x130/0x360 [ 341.260504][ T73] netlink_unicast+0x449/0x710 [ 341.260504][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.260504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.260504][ T73] ___sys_sendmsg+0xee/0x170 [ 341.260504][ T73] __sys_sendmsg+0xcd/0x170 [ 341.260504][ T73] do_syscall_64+0xc6/0x1e0 [ 341.260504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.260504][ T73] [ 341.262815][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 341.263139][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 341.263139][ T73] netdev_get_by_index+0x5e/0x80 [ 341.263139][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.263139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.263139][ T73] addrconf_f6i_alloc+0x265/0x560 [ 341.263139][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 341.263139][ T73] addrconf_join_anycast+0x1c0/0x220 [ 341.263139][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 341.263139][ T73] addrconf_dad_completed+0x12b/0xe20 [ 341.263139][ T73] addrconf_dad_begin+0x310/0x670 [ 341.263139][ T73] addrconf_dad_work+0x10b/0xab0 [ 341.263139][ T73] process_one_work+0x84d/0x18a0 [ 341.263139][ T73] worker_thread+0x587/0xd30 [ 341.263139][ T73] kthread+0x28a/0x350 [ 341.263139][ T73] ret_from_fork+0x31/0x70 [ 341.263139][ T73] ret_from_fork_asm+0x1a/0x30 [ 341.263139][ T73] [ 341.265682][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 341.265682][ T73] netdev_get_by_index+0x5e/0x80 [ 341.265682][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.265682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.265682][ T73] ip6_route_add+0x1c/0x140 [ 341.265682][ T73] addrconf_prefix_route+0x2a6/0x430 [ 341.265682][ T73] inet6_addr_add+0x4f8/0xa40 [ 341.265682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.265682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.265682][ T73] netlink_rcv_skb+0x130/0x360 [ 341.265682][ T73] netlink_unicast+0x449/0x710 [ 341.265682][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.265682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.265682][ T73] ___sys_sendmsg+0xee/0x170 [ 341.265682][ T73] __sys_sendmsg+0xcd/0x170 [ 341.265682][ T73] do_syscall_64+0xc6/0x1e0 [ 341.265682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.265682][ T73] [ 341.268328][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 341.268328][ T73] netdev_get_by_index+0x5e/0x80 [ 341.268328][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.268328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.268328][ T73] addrconf_f6i_alloc+0x315/0x560 [ 341.268328][ T73] ipv6_add_addr+0x411/0x2000 [ 341.268328][ T73] inet6_addr_add+0x30e/0xa40 [ 341.268328][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.268328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.268328][ T73] netlink_rcv_skb+0x130/0x360 [ 341.268328][ T73] netlink_unicast+0x449/0x710 [ 341.268328][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.268328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.268328][ T73] ___sys_sendmsg+0xee/0x170 [ 341.268328][ T73] __sys_sendmsg+0xcd/0x170 [ 341.268328][ T73] do_syscall_64+0xc6/0x1e0 [ 341.268328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.268328][ T73] [ 341.271033][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 341.271033][ T73] netdev_get_by_index+0x5e/0x80 [ 341.271033][ T73] fib6_nh_init+0x3d8/0x1580 [ 341.271033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 341.271033][ T73] ip6_route_add+0x1c/0x140 [ 341.271033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 341.271033][ T73] addrconf_add_dev+0xe2/0x170 [ 341.271033][ T73] inet6_addr_add+0x12f/0xa40 [ 341.271033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 341.271033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.271033][ T73] netlink_rcv_skb+0x130/0x360 [ 341.271033][ T73] netlink_unicast+0x449/0x710 [ 341.271033][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.271033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.271033][ T73] ___sys_sendmsg+0xee/0x170 [ 341.271033][ T73] __sys_sendmsg+0xcd/0x170 [ 341.271033][ T73] do_syscall_64+0xc6/0x1e0 [ 341.271033][ T73] [ 341.273617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 341.273617][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 341.273617][ T73] ipv6_find_idev+0x102/0x170 [ 341.273617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.273617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.273617][ T73] netlink_rcv_skb+0x130/0x360 [ 341.273617][ T73] netlink_unicast+0x449/0x710 [ 341.273617][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.273617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.273617][ T73] ___sys_sendmsg+0xee/0x170 [ 341.273617][ T73] __sys_sendmsg+0xcd/0x170 [ 341.273617][ T73] do_syscall_64+0xc6/0x1e0 [ 341.273617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.273617][ T73] [ 341.275445][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 341.275445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 341.275445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 341.275445][ T73] ipv6_find_idev+0x102/0x170 [ 341.275445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.275445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.275445][ T73] netlink_rcv_skb+0x130/0x360 [ 341.275445][ T73] netlink_unicast+0x449/0x710 [ 341.275445][ T73] netlink_sendmsg+0x723/0xbe0 [ 341.275445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 341.275445][ T73] ___sys_sendmsg+0xee/0x170 [ 341.275445][ T73] __sys_sendmsg+0xcd/0x170 [ 341.275445][ T73] do_syscall_64+0xc6/0x1e0 [ 341.275445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.275445][ T73] [ 351.358920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 351.359447][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.359447][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 351.359447][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 351.359447][ T73] fib6_nh_init+0xa22/0x1580 [ 351.359447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.359447][ T73] ip6_route_add+0x1c/0x140 [ 351.359447][ T73] inet6_rtm_newroute+0x104/0x110 [ 351.359447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.359447][ T73] netlink_rcv_skb+0x130/0x360 [ 351.359447][ T73] netlink_unicast+0x449/0x710 [ 351.359447][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.359447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.359447][ T73] ___sys_sendmsg+0xee/0x170 [ 351.359447][ T73] __sys_sendmsg+0xcd/0x170 [ 351.359447][ T73] do_syscall_64+0xc6/0x1e0 [ 351.359447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.359447][ T73] [ 351.361994][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.361994][ T73] dst_init+0x84/0x4a0 [ 351.361994][ T73] dst_alloc+0x97/0x150 [ 351.361994][ T73] ip6_dst_alloc+0x23/0x90 [ 351.361994][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 351.361994][ T73] ip6_pol_route+0x56f/0x840 [ 351.361994][ T73] fib6_rule_lookup+0x456/0x630 [ 351.361994][ T73] ip6_route_input+0x59c/0xa50 [ 351.361994][ T73] ipv6_rcv+0x397/0x810 [ 351.361994][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 351.361994][ T73] process_backlog+0x101/0x620 [ 351.361994][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 351.361994][ T73] net_rx_action+0x495/0xbe0 [ 351.361994][ T73] __do_softirq+0x1b5/0x7f6 [ 351.361994][ T73] [ 351.363960][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.363960][ T73] netdev_get_by_index+0x5e/0x80 [ 351.363960][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.363960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.363960][ T73] ip6_route_add+0x1c/0x140 [ 351.363960][ T73] addrconf_prefix_route+0x2a6/0x430 [ 351.363960][ T73] inet6_addr_add+0x4f8/0xa40 [ 351.363960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.363960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.363960][ T73] netlink_rcv_skb+0x130/0x360 [ 351.363960][ T73] netlink_unicast+0x449/0x710 [ 351.363960][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.363960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.363960][ T73] ___sys_sendmsg+0xee/0x170 [ 351.363960][ T73] __sys_sendmsg+0xcd/0x170 [ 351.363960][ T73] do_syscall_64+0xc6/0x1e0 [ 351.363960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.363960][ T73] [ 351.366077][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.366077][ T73] netdev_get_by_index+0x5e/0x80 [ 351.366077][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.366077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.366077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 351.366077][ T73] ipv6_add_addr+0x411/0x2000 [ 351.366077][ T73] inet6_addr_add+0x30e/0xa40 [ 351.366077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.366077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.366077][ T73] netlink_rcv_skb+0x130/0x360 [ 351.366077][ T73] netlink_unicast+0x449/0x710 [ 351.366077][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.366077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.366077][ T73] ___sys_sendmsg+0xee/0x170 [ 351.366077][ T73] __sys_sendmsg+0xcd/0x170 [ 351.366077][ T73] do_syscall_64+0xc6/0x1e0 [ 351.366077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.366077][ T73] [ 351.368251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.368251][ T73] netdev_get_by_index+0x5e/0x80 [ 351.368251][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.368251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.368251][ T73] ip6_route_add+0x1c/0x140 [ 351.368251][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 351.368251][ T73] addrconf_add_dev+0xe2/0x170 [ 351.368251][ T73] inet6_addr_add+0x12f/0xa40 [ 351.368251][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.368251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.368251][ T73] netlink_rcv_skb+0x130/0x360 [ 351.368251][ T73] netlink_unicast+0x449/0x710 [ 351.368251][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.368251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.368251][ T73] ___sys_sendmsg+0xee/0x170 [ 351.368251][ T73] __sys_sendmsg+0xcd/0x170 [ 351.368251][ T73] do_syscall_64+0xc6/0x1e0 [ 351.368251][ T73] [ 351.370387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.370387][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 351.370387][ T73] ipv6_find_idev+0x102/0x170 [ 351.370387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.370387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.370387][ T73] netlink_rcv_skb+0x130/0x360 [ 351.370387][ T73] netlink_unicast+0x449/0x710 [ 351.370387][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.370387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.370387][ T73] ___sys_sendmsg+0xee/0x170 [ 351.370387][ T73] __sys_sendmsg+0xcd/0x170 [ 351.370387][ T73] do_syscall_64+0xc6/0x1e0 [ 351.370387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.370387][ T73] [ 351.372099][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 351.372099][ T73] neigh_parms_alloc+0x1e5/0x510 [ 351.372099][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 351.372099][ T73] ipv6_find_idev+0x102/0x170 [ 351.372099][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.372099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.372099][ T73] netlink_rcv_skb+0x130/0x360 [ 351.372099][ T73] netlink_unicast+0x449/0x710 [ 351.372099][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.372099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.372099][ T73] ___sys_sendmsg+0xee/0x170 [ 351.372099][ T73] __sys_sendmsg+0xcd/0x170 [ 351.372099][ T73] do_syscall_64+0xc6/0x1e0 [ 351.372099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.372099][ T73] [ 351.373997][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 351.374323][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.374323][ T73] dst_init+0x84/0x4a0 [ 351.374323][ T73] dst_alloc+0x97/0x150 [ 351.374323][ T73] ip6_dst_alloc+0x23/0x90 [ 351.374323][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 351.374323][ T73] ip6_pol_route+0x56f/0x840 [ 351.374323][ T73] fib6_rule_lookup+0x456/0x630 [ 351.374323][ T73] ip6_route_input+0x59c/0xa50 [ 351.374323][ T73] ipv6_rcv+0x397/0x810 [ 351.374323][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 351.374323][ T73] process_backlog+0x101/0x620 [ 351.374323][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 351.374323][ T73] net_rx_action+0x495/0xbe0 [ 351.374323][ T73] __do_softirq+0x1b5/0x7f6 [ 351.374323][ T73] [ 351.376074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.376074][ T73] netdev_get_by_index+0x5e/0x80 [ 351.376074][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.376074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.376074][ T73] addrconf_f6i_alloc+0x265/0x560 [ 351.376074][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 351.376074][ T73] addrconf_join_anycast+0x1c0/0x220 [ 351.376074][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 351.376074][ T73] addrconf_dad_completed+0x12b/0xe20 [ 351.376074][ T73] addrconf_dad_begin+0x310/0x670 [ 351.376074][ T73] addrconf_dad_work+0x10b/0xab0 [ 351.376074][ T73] process_one_work+0x84d/0x18a0 [ 351.376074][ T73] worker_thread+0x587/0xd30 [ 351.376074][ T73] kthread+0x28a/0x350 [ 351.376074][ T73] ret_from_fork+0x31/0x70 [ 351.376074][ T73] ret_from_fork_asm+0x1a/0x30 [ 351.376074][ T73] [ 351.378177][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.378177][ T73] netdev_get_by_index+0x5e/0x80 [ 351.378177][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.378177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.378177][ T73] ip6_route_add+0x1c/0x140 [ 351.378177][ T73] addrconf_prefix_route+0x2a6/0x430 [ 351.378177][ T73] inet6_addr_add+0x4f8/0xa40 [ 351.378177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.378177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.378177][ T73] netlink_rcv_skb+0x130/0x360 [ 351.378177][ T73] netlink_unicast+0x449/0x710 [ 351.378177][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.378177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.378177][ T73] ___sys_sendmsg+0xee/0x170 [ 351.378177][ T73] __sys_sendmsg+0xcd/0x170 [ 351.378177][ T73] do_syscall_64+0xc6/0x1e0 [ 351.378177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.378177][ T73] [ 351.380521][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.380521][ T73] netdev_get_by_index+0x5e/0x80 [ 351.380521][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.380521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.380521][ T73] addrconf_f6i_alloc+0x315/0x560 [ 351.380521][ T73] ipv6_add_addr+0x411/0x2000 [ 351.380521][ T73] inet6_addr_add+0x30e/0xa40 [ 351.380521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.380521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.380521][ T73] netlink_rcv_skb+0x130/0x360 [ 351.380521][ T73] netlink_unicast+0x449/0x710 [ 351.380521][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.380521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.380521][ T73] ___sys_sendmsg+0xee/0x170 [ 351.380521][ T73] __sys_sendmsg+0xcd/0x170 [ 351.380521][ T73] do_syscall_64+0xc6/0x1e0 [ 351.380521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.380521][ T73] [ 351.383201][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.383201][ T73] netdev_get_by_index+0x5e/0x80 [ 351.383201][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.383201][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.383201][ T73] ip6_route_add+0x1c/0x140 [ 351.383201][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 351.383201][ T73] addrconf_add_dev+0xe2/0x170 [ 351.383201][ T73] inet6_addr_add+0x12f/0xa40 [ 351.383201][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.383201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.383201][ T73] netlink_rcv_skb+0x130/0x360 [ 351.383201][ T73] netlink_unicast+0x449/0x710 [ 351.383201][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.383201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.383201][ T73] ___sys_sendmsg+0xee/0x170 [ 351.383201][ T73] __sys_sendmsg+0xcd/0x170 [ 351.383201][ T73] do_syscall_64+0xc6/0x1e0 [ 351.383201][ T73] [ 351.385400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.385400][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 351.385400][ T73] ipv6_find_idev+0x102/0x170 [ 351.385400][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.385400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.385400][ T73] netlink_rcv_skb+0x130/0x360 [ 351.385400][ T73] netlink_unicast+0x449/0x710 [ 351.385400][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.385400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.385400][ T73] ___sys_sendmsg+0xee/0x170 [ 351.385400][ T73] __sys_sendmsg+0xcd/0x170 [ 351.385400][ T73] do_syscall_64+0xc6/0x1e0 [ 351.385400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.385400][ T73] [ 351.386979][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 351.386979][ T73] neigh_parms_alloc+0x1e5/0x510 [ 351.386979][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 351.386979][ T73] ipv6_find_idev+0x102/0x170 [ 351.386979][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.386979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.386979][ T73] netlink_rcv_skb+0x130/0x360 [ 351.386979][ T73] netlink_unicast+0x449/0x710 [ 351.386979][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.386979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.386979][ T73] ___sys_sendmsg+0xee/0x170 [ 351.386979][ T73] __sys_sendmsg+0xcd/0x170 [ 351.386979][ T73] do_syscall_64+0xc6/0x1e0 [ 351.386979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.386979][ T73] [ 351.389313][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 351.389673][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.389673][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 351.389673][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 351.389673][ T73] fib6_nh_init+0xa22/0x1580 [ 351.389673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.389673][ T73] ip6_route_add+0x1c/0x140 [ 351.389673][ T73] inet6_rtm_newroute+0x104/0x110 [ 351.389673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.389673][ T73] netlink_rcv_skb+0x130/0x360 [ 351.389673][ T73] netlink_unicast+0x449/0x710 [ 351.389673][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.389673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.389673][ T73] ___sys_sendmsg+0xee/0x170 [ 351.389673][ T73] __sys_sendmsg+0xcd/0x170 [ 351.389673][ T73] do_syscall_64+0xc6/0x1e0 [ 351.389673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.389673][ T73] [ 351.392449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.392449][ T73] dst_init+0x84/0x4a0 [ 351.392449][ T73] dst_alloc+0x97/0x150 [ 351.392449][ T73] ip6_dst_alloc+0x23/0x90 [ 351.392449][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 351.392449][ T73] ip6_pol_route+0x56f/0x840 [ 351.392449][ T73] fib6_rule_lookup+0x456/0x630 [ 351.392449][ T73] ip6_route_input+0x59c/0xa50 [ 351.392449][ T73] ipv6_rcv+0x397/0x810 [ 351.392449][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 351.392449][ T73] process_backlog+0x101/0x620 [ 351.392449][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 351.392449][ T73] net_rx_action+0x495/0xbe0 [ 351.392449][ T73] __do_softirq+0x1b5/0x7f6 [ 351.392449][ T73] [ 351.394830][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.394830][ T73] netdev_get_by_index+0x5e/0x80 [ 351.394830][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.394830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.394830][ T73] ip6_route_add+0x1c/0x140 [ 351.394830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 351.394830][ T73] inet6_addr_add+0x4f8/0xa40 [ 351.394830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.394830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.394830][ T73] netlink_rcv_skb+0x130/0x360 [ 351.394830][ T73] netlink_unicast+0x449/0x710 [ 351.394830][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.394830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.394830][ T73] ___sys_sendmsg+0xee/0x170 [ 351.394830][ T73] __sys_sendmsg+0xcd/0x170 [ 351.394830][ T73] do_syscall_64+0xc6/0x1e0 [ 351.394830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.394830][ T73] [ 351.397806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.397806][ T73] netdev_get_by_index+0x5e/0x80 [ 351.397806][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.397806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.397806][ T73] addrconf_f6i_alloc+0x315/0x560 [ 351.397806][ T73] ipv6_add_addr+0x411/0x2000 [ 351.397806][ T73] inet6_addr_add+0x30e/0xa40 [ 351.397806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.397806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.397806][ T73] netlink_rcv_skb+0x130/0x360 [ 351.397806][ T73] netlink_unicast+0x449/0x710 [ 351.397806][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.397806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.397806][ T73] ___sys_sendmsg+0xee/0x170 [ 351.397806][ T73] __sys_sendmsg+0xcd/0x170 [ 351.397806][ T73] do_syscall_64+0xc6/0x1e0 [ 351.397806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.397806][ T73] [ 351.400686][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.400686][ T73] netdev_get_by_index+0x5e/0x80 [ 351.400686][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.400686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.400686][ T73] ip6_route_add+0x1c/0x140 [ 351.400686][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 351.400686][ T73] addrconf_add_dev+0xe2/0x170 [ 351.400686][ T73] inet6_addr_add+0x12f/0xa40 [ 351.400686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.400686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.400686][ T73] netlink_rcv_skb+0x130/0x360 [ 351.400686][ T73] netlink_unicast+0x449/0x710 [ 351.400686][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.400686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.400686][ T73] ___sys_sendmsg+0xee/0x170 [ 351.400686][ T73] __sys_sendmsg+0xcd/0x170 [ 351.400686][ T73] do_syscall_64+0xc6/0x1e0 [ 351.400686][ T73] [ 351.403046][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.403046][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 351.403046][ T73] ipv6_find_idev+0x102/0x170 [ 351.403046][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.403046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.403046][ T73] netlink_rcv_skb+0x130/0x360 [ 351.403046][ T73] netlink_unicast+0x449/0x710 [ 351.403046][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.403046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.403046][ T73] ___sys_sendmsg+0xee/0x170 [ 351.403046][ T73] __sys_sendmsg+0xcd/0x170 [ 351.403046][ T73] do_syscall_64+0xc6/0x1e0 [ 351.403046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.403046][ T73] [ 351.404770][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 351.404770][ T73] neigh_parms_alloc+0x1e5/0x510 [ 351.404770][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 351.404770][ T73] ipv6_find_idev+0x102/0x170 [ 351.404770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.404770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.404770][ T73] netlink_rcv_skb+0x130/0x360 [ 351.404770][ T73] netlink_unicast+0x449/0x710 [ 351.404770][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.404770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.404770][ T73] ___sys_sendmsg+0xee/0x170 [ 351.404770][ T73] __sys_sendmsg+0xcd/0x170 [ 351.404770][ T73] do_syscall_64+0xc6/0x1e0 [ 351.404770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.404770][ T73] [ 351.406821][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 351.407108][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 351.407108][ T73] netdev_get_by_index+0x5e/0x80 [ 351.407108][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.407108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.407108][ T73] addrconf_f6i_alloc+0x265/0x560 [ 351.407108][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 351.407108][ T73] addrconf_join_anycast+0x1c0/0x220 [ 351.407108][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 351.407108][ T73] addrconf_dad_completed+0x12b/0xe20 [ 351.407108][ T73] addrconf_dad_begin+0x310/0x670 [ 351.407108][ T73] addrconf_dad_work+0x10b/0xab0 [ 351.407108][ T73] process_one_work+0x84d/0x18a0 [ 351.407108][ T73] worker_thread+0x587/0xd30 [ 351.407108][ T73] kthread+0x28a/0x350 [ 351.407108][ T73] ret_from_fork+0x31/0x70 [ 351.407108][ T73] ret_from_fork_asm+0x1a/0x30 [ 351.407108][ T73] [ 351.409293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 351.409293][ T73] netdev_get_by_index+0x5e/0x80 [ 351.409293][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.409293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.409293][ T73] ip6_route_add+0x1c/0x140 [ 351.409293][ T73] addrconf_prefix_route+0x2a6/0x430 [ 351.409293][ T73] inet6_addr_add+0x4f8/0xa40 [ 351.409293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.409293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.409293][ T73] netlink_rcv_skb+0x130/0x360 [ 351.409293][ T73] netlink_unicast+0x449/0x710 [ 351.409293][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.409293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.409293][ T73] ___sys_sendmsg+0xee/0x170 [ 351.409293][ T73] __sys_sendmsg+0xcd/0x170 [ 351.409293][ T73] do_syscall_64+0xc6/0x1e0 [ 351.409293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.409293][ T73] [ 351.411549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 351.411549][ T73] netdev_get_by_index+0x5e/0x80 [ 351.411549][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.411549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.411549][ T73] addrconf_f6i_alloc+0x315/0x560 [ 351.411549][ T73] ipv6_add_addr+0x411/0x2000 [ 351.411549][ T73] inet6_addr_add+0x30e/0xa40 [ 351.411549][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.411549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.411549][ T73] netlink_rcv_skb+0x130/0x360 [ 351.411549][ T73] netlink_unicast+0x449/0x710 [ 351.411549][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.411549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.411549][ T73] ___sys_sendmsg+0xee/0x170 [ 351.411549][ T73] __sys_sendmsg+0xcd/0x170 [ 351.411549][ T73] do_syscall_64+0xc6/0x1e0 [ 351.411549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.411549][ T73] [ 351.413743][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 351.413743][ T73] netdev_get_by_index+0x5e/0x80 [ 351.413743][ T73] fib6_nh_init+0x3d8/0x1580 [ 351.413743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 351.413743][ T73] ip6_route_add+0x1c/0x140 [ 351.413743][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 351.413743][ T73] addrconf_add_dev+0xe2/0x170 [ 351.413743][ T73] inet6_addr_add+0x12f/0xa40 [ 351.413743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 351.413743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.413743][ T73] netlink_rcv_skb+0x130/0x360 [ 351.413743][ T73] netlink_unicast+0x449/0x710 [ 351.413743][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.413743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.413743][ T73] ___sys_sendmsg+0xee/0x170 [ 351.413743][ T73] __sys_sendmsg+0xcd/0x170 [ 351.413743][ T73] do_syscall_64+0xc6/0x1e0 [ 351.413743][ T73] [ 351.416082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 351.416082][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 351.416082][ T73] ipv6_find_idev+0x102/0x170 [ 351.416082][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.416082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.416082][ T73] netlink_rcv_skb+0x130/0x360 [ 351.416082][ T73] netlink_unicast+0x449/0x710 [ 351.416082][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.416082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.416082][ T73] ___sys_sendmsg+0xee/0x170 [ 351.416082][ T73] __sys_sendmsg+0xcd/0x170 [ 351.416082][ T73] do_syscall_64+0xc6/0x1e0 [ 351.416082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.416082][ T73] [ 351.417883][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 351.417883][ T73] neigh_parms_alloc+0x1e5/0x510 [ 351.417883][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 351.417883][ T73] ipv6_find_idev+0x102/0x170 [ 351.417883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.417883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.417883][ T73] netlink_rcv_skb+0x130/0x360 [ 351.417883][ T73] netlink_unicast+0x449/0x710 [ 351.417883][ T73] netlink_sendmsg+0x723/0xbe0 [ 351.417883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 351.417883][ T73] ___sys_sendmsg+0xee/0x170 [ 351.417883][ T73] __sys_sendmsg+0xcd/0x170 [ 351.417883][ T73] do_syscall_64+0xc6/0x1e0 [ 351.417883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.417883][ T73] [ 361.478927][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 361.479375][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.479375][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 361.479375][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 361.479375][ T73] fib6_nh_init+0xa22/0x1580 [ 361.479375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.479375][ T73] ip6_route_add+0x1c/0x140 [ 361.479375][ T73] inet6_rtm_newroute+0x104/0x110 [ 361.479375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.479375][ T73] netlink_rcv_skb+0x130/0x360 [ 361.479375][ T73] netlink_unicast+0x449/0x710 [ 361.479375][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.479375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.479375][ T73] ___sys_sendmsg+0xee/0x170 [ 361.479375][ T73] __sys_sendmsg+0xcd/0x170 [ 361.479375][ T73] do_syscall_64+0xc6/0x1e0 [ 361.479375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.479375][ T73] [ 361.481290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.481290][ T73] dst_init+0x84/0x4a0 [ 361.481290][ T73] dst_alloc+0x97/0x150 [ 361.481290][ T73] ip6_dst_alloc+0x23/0x90 [ 361.481290][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 361.481290][ T73] ip6_pol_route+0x56f/0x840 [ 361.481290][ T73] fib6_rule_lookup+0x456/0x630 [ 361.481290][ T73] ip6_route_input+0x59c/0xa50 [ 361.481290][ T73] ipv6_rcv+0x397/0x810 [ 361.481290][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 361.481290][ T73] process_backlog+0x101/0x620 [ 361.481290][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 361.481290][ T73] net_rx_action+0x495/0xbe0 [ 361.481290][ T73] __do_softirq+0x1b5/0x7f6 [ 361.481290][ T73] [ 361.483200][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.483200][ T73] netdev_get_by_index+0x5e/0x80 [ 361.483200][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.483200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.483200][ T73] ip6_route_add+0x1c/0x140 [ 361.483200][ T73] addrconf_prefix_route+0x2a6/0x430 [ 361.483200][ T73] inet6_addr_add+0x4f8/0xa40 [ 361.483200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.483200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.483200][ T73] netlink_rcv_skb+0x130/0x360 [ 361.483200][ T73] netlink_unicast+0x449/0x710 [ 361.483200][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.483200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.483200][ T73] ___sys_sendmsg+0xee/0x170 [ 361.483200][ T73] __sys_sendmsg+0xcd/0x170 [ 361.483200][ T73] do_syscall_64+0xc6/0x1e0 [ 361.483200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.483200][ T73] [ 361.485567][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.485567][ T73] netdev_get_by_index+0x5e/0x80 [ 361.485567][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.485567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.485567][ T73] addrconf_f6i_alloc+0x315/0x560 [ 361.485567][ T73] ipv6_add_addr+0x411/0x2000 [ 361.485567][ T73] inet6_addr_add+0x30e/0xa40 [ 361.485567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.485567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.485567][ T73] netlink_rcv_skb+0x130/0x360 [ 361.485567][ T73] netlink_unicast+0x449/0x710 [ 361.485567][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.485567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.485567][ T73] ___sys_sendmsg+0xee/0x170 [ 361.485567][ T73] __sys_sendmsg+0xcd/0x170 [ 361.485567][ T73] do_syscall_64+0xc6/0x1e0 [ 361.485567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.485567][ T73] [ 361.487947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.487947][ T73] netdev_get_by_index+0x5e/0x80 [ 361.487947][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.487947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.487947][ T73] ip6_route_add+0x1c/0x140 [ 361.487947][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 361.487947][ T73] addrconf_add_dev+0xe2/0x170 [ 361.487947][ T73] inet6_addr_add+0x12f/0xa40 [ 361.487947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.487947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.487947][ T73] netlink_rcv_skb+0x130/0x360 [ 361.487947][ T73] netlink_unicast+0x449/0x710 [ 361.487947][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.487947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.487947][ T73] ___sys_sendmsg+0xee/0x170 [ 361.487947][ T73] __sys_sendmsg+0xcd/0x170 [ 361.487947][ T73] do_syscall_64+0xc6/0x1e0 [ 361.487947][ T73] [ 361.490166][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.490166][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 361.490166][ T73] ipv6_find_idev+0x102/0x170 [ 361.490166][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.490166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.490166][ T73] netlink_rcv_skb+0x130/0x360 [ 361.490166][ T73] netlink_unicast+0x449/0x710 [ 361.490166][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.490166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.490166][ T73] ___sys_sendmsg+0xee/0x170 [ 361.490166][ T73] __sys_sendmsg+0xcd/0x170 [ 361.490166][ T73] do_syscall_64+0xc6/0x1e0 [ 361.490166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.490166][ T73] [ 361.491857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 361.491857][ T73] neigh_parms_alloc+0x1e5/0x510 [ 361.491857][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 361.491857][ T73] ipv6_find_idev+0x102/0x170 [ 361.491857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.491857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.491857][ T73] netlink_rcv_skb+0x130/0x360 [ 361.491857][ T73] netlink_unicast+0x449/0x710 [ 361.491857][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.491857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.491857][ T73] ___sys_sendmsg+0xee/0x170 [ 361.491857][ T73] __sys_sendmsg+0xcd/0x170 [ 361.491857][ T73] do_syscall_64+0xc6/0x1e0 [ 361.491857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.491857][ T73] [ 361.493724][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 361.494042][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.494042][ T73] dst_init+0x84/0x4a0 [ 361.494042][ T73] dst_alloc+0x97/0x150 [ 361.494042][ T73] ip6_dst_alloc+0x23/0x90 [ 361.494042][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 361.494042][ T73] ip6_pol_route+0x56f/0x840 [ 361.494042][ T73] fib6_rule_lookup+0x456/0x630 [ 361.494042][ T73] ip6_route_input+0x59c/0xa50 [ 361.494042][ T73] ipv6_rcv+0x397/0x810 [ 361.494042][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 361.494042][ T73] process_backlog+0x101/0x620 [ 361.494042][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 361.494042][ T73] net_rx_action+0x495/0xbe0 [ 361.494042][ T73] __do_softirq+0x1b5/0x7f6 [ 361.494042][ T73] [ 361.495868][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.495868][ T73] netdev_get_by_index+0x5e/0x80 [ 361.495868][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.495868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.495868][ T73] addrconf_f6i_alloc+0x265/0x560 [ 361.495868][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 361.495868][ T73] addrconf_join_anycast+0x1c0/0x220 [ 361.495868][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 361.495868][ T73] addrconf_dad_completed+0x12b/0xe20 [ 361.495868][ T73] addrconf_dad_begin+0x310/0x670 [ 361.495868][ T73] addrconf_dad_work+0x10b/0xab0 [ 361.495868][ T73] process_one_work+0x84d/0x18a0 [ 361.495868][ T73] worker_thread+0x587/0xd30 [ 361.495868][ T73] kthread+0x28a/0x350 [ 361.495868][ T73] ret_from_fork+0x31/0x70 [ 361.495868][ T73] ret_from_fork_asm+0x1a/0x30 [ 361.495868][ T73] [ 361.497981][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.497981][ T73] netdev_get_by_index+0x5e/0x80 [ 361.497981][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.497981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.497981][ T73] ip6_route_add+0x1c/0x140 [ 361.497981][ T73] addrconf_prefix_route+0x2a6/0x430 [ 361.497981][ T73] inet6_addr_add+0x4f8/0xa40 [ 361.497981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.497981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.497981][ T73] netlink_rcv_skb+0x130/0x360 [ 361.497981][ T73] netlink_unicast+0x449/0x710 [ 361.497981][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.497981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.497981][ T73] ___sys_sendmsg+0xee/0x170 [ 361.497981][ T73] __sys_sendmsg+0xcd/0x170 [ 361.497981][ T73] do_syscall_64+0xc6/0x1e0 [ 361.497981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.497981][ T73] [ 361.500169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.500169][ T73] netdev_get_by_index+0x5e/0x80 [ 361.500169][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.500169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.500169][ T73] addrconf_f6i_alloc+0x315/0x560 [ 361.500169][ T73] ipv6_add_addr+0x411/0x2000 [ 361.500169][ T73] inet6_addr_add+0x30e/0xa40 [ 361.500169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.500169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.500169][ T73] netlink_rcv_skb+0x130/0x360 [ 361.500169][ T73] netlink_unicast+0x449/0x710 [ 361.500169][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.500169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.500169][ T73] ___sys_sendmsg+0xee/0x170 [ 361.500169][ T73] __sys_sendmsg+0xcd/0x170 [ 361.500169][ T73] do_syscall_64+0xc6/0x1e0 [ 361.500169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.500169][ T73] [ 361.502340][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.502340][ T73] netdev_get_by_index+0x5e/0x80 [ 361.502340][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.502340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.502340][ T73] ip6_route_add+0x1c/0x140 [ 361.502340][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 361.502340][ T73] addrconf_add_dev+0xe2/0x170 [ 361.502340][ T73] inet6_addr_add+0x12f/0xa40 [ 361.502340][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.502340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.502340][ T73] netlink_rcv_skb+0x130/0x360 [ 361.502340][ T73] netlink_unicast+0x449/0x710 [ 361.502340][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.502340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.502340][ T73] ___sys_sendmsg+0xee/0x170 [ 361.502340][ T73] __sys_sendmsg+0xcd/0x170 [ 361.502340][ T73] do_syscall_64+0xc6/0x1e0 [ 361.502340][ T73] [ 361.504494][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.504494][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 361.504494][ T73] ipv6_find_idev+0x102/0x170 [ 361.504494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.504494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.504494][ T73] netlink_rcv_skb+0x130/0x360 [ 361.504494][ T73] netlink_unicast+0x449/0x710 [ 361.504494][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.504494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.504494][ T73] ___sys_sendmsg+0xee/0x170 [ 361.504494][ T73] __sys_sendmsg+0xcd/0x170 [ 361.504494][ T73] do_syscall_64+0xc6/0x1e0 [ 361.504494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.504494][ T73] [ 361.506188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 361.506188][ T73] neigh_parms_alloc+0x1e5/0x510 [ 361.506188][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 361.506188][ T73] ipv6_find_idev+0x102/0x170 [ 361.506188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.506188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.506188][ T73] netlink_rcv_skb+0x130/0x360 [ 361.506188][ T73] netlink_unicast+0x449/0x710 [ 361.506188][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.506188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.506188][ T73] ___sys_sendmsg+0xee/0x170 [ 361.506188][ T73] __sys_sendmsg+0xcd/0x170 [ 361.506188][ T73] do_syscall_64+0xc6/0x1e0 [ 361.506188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.506188][ T73] [ 361.508194][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 361.508497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.508497][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 361.508497][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 361.508497][ T73] fib6_nh_init+0xa22/0x1580 [ 361.508497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.508497][ T73] ip6_route_add+0x1c/0x140 [ 361.508497][ T73] inet6_rtm_newroute+0x104/0x110 [ 361.508497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.508497][ T73] netlink_rcv_skb+0x130/0x360 [ 361.508497][ T73] netlink_unicast+0x449/0x710 [ 361.508497][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.508497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.508497][ T73] ___sys_sendmsg+0xee/0x170 [ 361.508497][ T73] __sys_sendmsg+0xcd/0x170 [ 361.508497][ T73] do_syscall_64+0xc6/0x1e0 [ 361.508497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.508497][ T73] [ 361.510914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.510914][ T73] dst_init+0x84/0x4a0 [ 361.510914][ T73] dst_alloc+0x97/0x150 [ 361.510914][ T73] ip6_dst_alloc+0x23/0x90 [ 361.510914][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 361.510914][ T73] ip6_pol_route+0x56f/0x840 [ 361.510914][ T73] fib6_rule_lookup+0x456/0x630 [ 361.510914][ T73] ip6_route_input+0x59c/0xa50 [ 361.510914][ T73] ipv6_rcv+0x397/0x810 [ 361.510914][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 361.510914][ T73] process_backlog+0x101/0x620 [ 361.510914][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 361.510914][ T73] net_rx_action+0x495/0xbe0 [ 361.510914][ T73] __do_softirq+0x1b5/0x7f6 [ 361.510914][ T73] [ 361.512904][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.512904][ T73] netdev_get_by_index+0x5e/0x80 [ 361.512904][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.512904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.512904][ T73] ip6_route_add+0x1c/0x140 [ 361.512904][ T73] addrconf_prefix_route+0x2a6/0x430 [ 361.512904][ T73] inet6_addr_add+0x4f8/0xa40 [ 361.512904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.512904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.512904][ T73] netlink_rcv_skb+0x130/0x360 [ 361.512904][ T73] netlink_unicast+0x449/0x710 [ 361.512904][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.512904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.512904][ T73] ___sys_sendmsg+0xee/0x170 [ 361.512904][ T73] __sys_sendmsg+0xcd/0x170 [ 361.512904][ T73] do_syscall_64+0xc6/0x1e0 [ 361.512904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.512904][ T73] [ 361.515285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.515285][ T73] netdev_get_by_index+0x5e/0x80 [ 361.515285][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.515285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.515285][ T73] addrconf_f6i_alloc+0x315/0x560 [ 361.515285][ T73] ipv6_add_addr+0x411/0x2000 [ 361.515285][ T73] inet6_addr_add+0x30e/0xa40 [ 361.515285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.515285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.515285][ T73] netlink_rcv_skb+0x130/0x360 [ 361.515285][ T73] netlink_unicast+0x449/0x710 [ 361.515285][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.515285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.515285][ T73] ___sys_sendmsg+0xee/0x170 [ 361.515285][ T73] __sys_sendmsg+0xcd/0x170 [ 361.515285][ T73] do_syscall_64+0xc6/0x1e0 [ 361.515285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.515285][ T73] [ 361.517647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.517647][ T73] netdev_get_by_index+0x5e/0x80 [ 361.517647][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.517647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.517647][ T73] ip6_route_add+0x1c/0x140 [ 361.517647][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 361.517647][ T73] addrconf_add_dev+0xe2/0x170 [ 361.517647][ T73] inet6_addr_add+0x12f/0xa40 [ 361.517647][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.517647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.517647][ T73] netlink_rcv_skb+0x130/0x360 [ 361.517647][ T73] netlink_unicast+0x449/0x710 [ 361.517647][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.517647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.517647][ T73] ___sys_sendmsg+0xee/0x170 [ 361.517647][ T73] __sys_sendmsg+0xcd/0x170 [ 361.517647][ T73] do_syscall_64+0xc6/0x1e0 [ 361.517647][ T73] [ 361.519893][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.519893][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 361.519893][ T73] ipv6_find_idev+0x102/0x170 [ 361.519893][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.519893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.519893][ T73] netlink_rcv_skb+0x130/0x360 [ 361.519893][ T73] netlink_unicast+0x449/0x710 [ 361.519893][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.519893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.519893][ T73] ___sys_sendmsg+0xee/0x170 [ 361.519893][ T73] __sys_sendmsg+0xcd/0x170 [ 361.519893][ T73] do_syscall_64+0xc6/0x1e0 [ 361.519893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.519893][ T73] [ 361.521680][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 361.521680][ T73] neigh_parms_alloc+0x1e5/0x510 [ 361.521680][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 361.521680][ T73] ipv6_find_idev+0x102/0x170 [ 361.521680][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.521680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.521680][ T73] netlink_rcv_skb+0x130/0x360 [ 361.521680][ T73] netlink_unicast+0x449/0x710 [ 361.521680][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.521680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.521680][ T73] ___sys_sendmsg+0xee/0x170 [ 361.521680][ T73] __sys_sendmsg+0xcd/0x170 [ 361.521680][ T73] do_syscall_64+0xc6/0x1e0 [ 361.521680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.521680][ T73] [ 361.523669][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 361.524445][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 361.524445][ T73] netdev_get_by_index+0x5e/0x80 [ 361.524445][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.524445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.524445][ T73] addrconf_f6i_alloc+0x265/0x560 [ 361.524445][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 361.524445][ T73] addrconf_join_anycast+0x1c0/0x220 [ 361.524445][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 361.524445][ T73] addrconf_dad_completed+0x12b/0xe20 [ 361.524445][ T73] addrconf_dad_begin+0x310/0x670 [ 361.524445][ T73] addrconf_dad_work+0x10b/0xab0 [ 361.524445][ T73] process_one_work+0x84d/0x18a0 [ 361.524445][ T73] worker_thread+0x587/0xd30 [ 361.524445][ T73] kthread+0x28a/0x350 [ 361.524445][ T73] ret_from_fork+0x31/0x70 [ 361.524445][ T73] ret_from_fork_asm+0x1a/0x30 [ 361.524445][ T73] [ 361.526365][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 361.526365][ T73] netdev_get_by_index+0x5e/0x80 [ 361.526365][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.526365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.526365][ T73] ip6_route_add+0x1c/0x140 [ 361.526365][ T73] addrconf_prefix_route+0x2a6/0x430 [ 361.526365][ T73] inet6_addr_add+0x4f8/0xa40 [ 361.526365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.526365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.526365][ T73] netlink_rcv_skb+0x130/0x360 [ 361.526365][ T73] netlink_unicast+0x449/0x710 [ 361.526365][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.526365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.526365][ T73] ___sys_sendmsg+0xee/0x170 [ 361.526365][ T73] __sys_sendmsg+0xcd/0x170 [ 361.526365][ T73] do_syscall_64+0xc6/0x1e0 [ 361.526365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.526365][ T73] [ 361.528549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 361.528549][ T73] netdev_get_by_index+0x5e/0x80 [ 361.528549][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.528549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.528549][ T73] addrconf_f6i_alloc+0x315/0x560 [ 361.528549][ T73] ipv6_add_addr+0x411/0x2000 [ 361.528549][ T73] inet6_addr_add+0x30e/0xa40 [ 361.528549][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.528549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.528549][ T73] netlink_rcv_skb+0x130/0x360 [ 361.528549][ T73] netlink_unicast+0x449/0x710 [ 361.528549][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.528549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.528549][ T73] ___sys_sendmsg+0xee/0x170 [ 361.528549][ T73] __sys_sendmsg+0xcd/0x170 [ 361.528549][ T73] do_syscall_64+0xc6/0x1e0 [ 361.528549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.528549][ T73] [ 361.530729][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 361.530729][ T73] netdev_get_by_index+0x5e/0x80 [ 361.530729][ T73] fib6_nh_init+0x3d8/0x1580 [ 361.530729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 361.530729][ T73] ip6_route_add+0x1c/0x140 [ 361.530729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 361.530729][ T73] addrconf_add_dev+0xe2/0x170 [ 361.530729][ T73] inet6_addr_add+0x12f/0xa40 [ 361.530729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 361.530729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.530729][ T73] netlink_rcv_skb+0x130/0x360 [ 361.530729][ T73] netlink_unicast+0x449/0x710 [ 361.530729][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.530729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.530729][ T73] ___sys_sendmsg+0xee/0x170 [ 361.530729][ T73] __sys_sendmsg+0xcd/0x170 [ 361.530729][ T73] do_syscall_64+0xc6/0x1e0 [ 361.530729][ T73] [ 361.532991][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 361.532991][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 361.532991][ T73] ipv6_find_idev+0x102/0x170 [ 361.532991][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.532991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.532991][ T73] netlink_rcv_skb+0x130/0x360 [ 361.532991][ T73] netlink_unicast+0x449/0x710 [ 361.532991][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.532991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.532991][ T73] ___sys_sendmsg+0xee/0x170 [ 361.532991][ T73] __sys_sendmsg+0xcd/0x170 [ 361.532991][ T73] do_syscall_64+0xc6/0x1e0 [ 361.532991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.532991][ T73] [ 361.534704][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 361.534704][ T73] neigh_parms_alloc+0x1e5/0x510 [ 361.534704][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 361.534704][ T73] ipv6_find_idev+0x102/0x170 [ 361.534704][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.534704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.534704][ T73] netlink_rcv_skb+0x130/0x360 [ 361.534704][ T73] netlink_unicast+0x449/0x710 [ 361.534704][ T73] netlink_sendmsg+0x723/0xbe0 [ 361.534704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 361.534704][ T73] ___sys_sendmsg+0xee/0x170 [ 361.534704][ T73] __sys_sendmsg+0xcd/0x170 [ 361.534704][ T73] do_syscall_64+0xc6/0x1e0 [ 361.534704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.534704][ T73] [ 369.959028][ T42] INFO: task modprobe:887 blocked for more than 122 seconds. [ 369.959523][ T42] Not tainted 6.8.0-virtme #1 [ 369.959645][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.959882][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 369.960142][ T42] Call Trace: [ 369.960242][ T42] [ 369.960315][ T42] __schedule+0x705/0x1ac0 [ 369.960460][ T42] ? __pfx___schedule+0x10/0x10 [ 369.960928][ T42] ? schedule+0x1a5/0x210 [ 369.961055][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.961213][ T42] ? mark_lock+0x38/0x3e0 [ 369.961340][ T42] ? do_raw_spin_lock+0x131/0x270 [ 369.961482][ T42] ? schedule+0x1a5/0x210 [ 369.961800][ T42] schedule+0xdf/0x210 [ 369.961908][ T42] schedule_preempt_disabled+0x15/0x30 [ 369.962050][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 369.962190][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 369.962393][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.962531][ T42] ? lock_acquire+0x1c1/0x220 [ 369.962661][ T42] ? register_pernet_subsys+0x1a/0x50 [ 369.962819][ T42] down_write+0x1c9/0x200 [ 369.962945][ T42] ? __pfx_down_write+0x10/0x10 [ 369.963080][ T42] ? __lock_release+0x103/0x460 [ 369.963220][ T42] ? __create_object+0x5e/0xb0 [ 369.963365][ T42] ? __pfx___lock_release+0x10/0x10 [ 369.963502][ T42] register_pernet_subsys+0x1a/0x50 [ 369.963648][ T42] tcf_register_action+0xa3/0x600 [ 369.963825][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 369.964005][ T42] do_one_initcall+0xc8/0x3f0 [ 369.964156][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 369.964316][ T42] ? __create_object+0x5e/0xb0 [ 369.964456][ T42] ? kasan_unpoison+0x27/0x60 [ 369.964614][ T42] do_init_module+0x233/0x740 [ 369.964766][ T42] load_module+0x16b5/0x2350 [ 369.964935][ T42] ? __pfx_load_module+0x10/0x10 [ 369.965072][ T42] ? kernel_read_file+0x3d2/0x520 [ 369.965231][ T42] ? kernel_read_file+0x300/0x520 [ 369.965367][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 369.965532][ T42] ? init_module_from_file+0xd2/0x130 [ 369.965684][ T42] init_module_from_file+0xd2/0x130 [ 369.965833][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 369.966023][ T42] ? __lock_release+0x103/0x460 [ 369.966156][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.966318][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.966467][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 369.966615][ T42] idempotent_init_module+0x342/0x620 [ 369.966753][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 369.966951][ T42] __x64_sys_finit_module+0xbe/0x130 [ 369.967092][ T42] do_syscall_64+0xc6/0x1e0 [ 369.967250][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.967433][ T42] RIP: 0033:0x7f929d278e5d [ 369.967584][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 369.967829][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 369.968040][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 369.968267][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 369.968468][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 369.968691][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 369.968953][ T42] [ 369.969054][ T42] [ 369.969054][ T42] Showing all locks held in the system: [ 369.969242][ T42] 2 locks held by kworker/u18:0/37: [ 369.969377][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.969647][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.969955][ T42] 1 lock held by khungtaskd/42: [ 369.970073][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 369.970307][ T42] 3 locks held by kworker/u16:1/73: [ 369.970423][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.970670][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.970898][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 369.971122][ T42] 1 lock held by modprobe/887: [ 369.971242][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 369.971496][ T42] [ 369.971563][ T42] ============================================= [ 369.971563][ T42] [ 371.774966][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 371.775414][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.775414][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 371.775414][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 371.775414][ T73] fib6_nh_init+0xa22/0x1580 [ 371.775414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.775414][ T73] ip6_route_add+0x1c/0x140 [ 371.775414][ T73] inet6_rtm_newroute+0x104/0x110 [ 371.775414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.775414][ T73] netlink_rcv_skb+0x130/0x360 [ 371.775414][ T73] netlink_unicast+0x449/0x710 [ 371.775414][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.775414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.775414][ T73] ___sys_sendmsg+0xee/0x170 [ 371.775414][ T73] __sys_sendmsg+0xcd/0x170 [ 371.775414][ T73] do_syscall_64+0xc6/0x1e0 [ 371.775414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.775414][ T73] [ 371.777321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.777321][ T73] dst_init+0x84/0x4a0 [ 371.777321][ T73] dst_alloc+0x97/0x150 [ 371.777321][ T73] ip6_dst_alloc+0x23/0x90 [ 371.777321][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 371.777321][ T73] ip6_pol_route+0x56f/0x840 [ 371.777321][ T73] fib6_rule_lookup+0x456/0x630 [ 371.777321][ T73] ip6_route_input+0x59c/0xa50 [ 371.777321][ T73] ipv6_rcv+0x397/0x810 [ 371.777321][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 371.777321][ T73] process_backlog+0x101/0x620 [ 371.777321][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 371.777321][ T73] net_rx_action+0x495/0xbe0 [ 371.777321][ T73] __do_softirq+0x1b5/0x7f6 [ 371.777321][ T73] [ 371.778976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.778976][ T73] netdev_get_by_index+0x5e/0x80 [ 371.778976][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.778976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.778976][ T73] ip6_route_add+0x1c/0x140 [ 371.778976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 371.778976][ T73] inet6_addr_add+0x4f8/0xa40 [ 371.778976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.778976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.778976][ T73] netlink_rcv_skb+0x130/0x360 [ 371.778976][ T73] netlink_unicast+0x449/0x710 [ 371.778976][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.778976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.778976][ T73] ___sys_sendmsg+0xee/0x170 [ 371.778976][ T73] __sys_sendmsg+0xcd/0x170 [ 371.778976][ T73] do_syscall_64+0xc6/0x1e0 [ 371.778976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.778976][ T73] [ 371.780969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.780969][ T73] netdev_get_by_index+0x5e/0x80 [ 371.780969][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.780969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.780969][ T73] addrconf_f6i_alloc+0x315/0x560 [ 371.780969][ T73] ipv6_add_addr+0x411/0x2000 [ 371.780969][ T73] inet6_addr_add+0x30e/0xa40 [ 371.780969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.780969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.780969][ T73] netlink_rcv_skb+0x130/0x360 [ 371.780969][ T73] netlink_unicast+0x449/0x710 [ 371.780969][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.780969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.780969][ T73] ___sys_sendmsg+0xee/0x170 [ 371.780969][ T73] __sys_sendmsg+0xcd/0x170 [ 371.780969][ T73] do_syscall_64+0xc6/0x1e0 [ 371.780969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.780969][ T73] [ 371.782965][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.782965][ T73] netdev_get_by_index+0x5e/0x80 [ 371.782965][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.782965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.782965][ T73] ip6_route_add+0x1c/0x140 [ 371.782965][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 371.782965][ T73] addrconf_add_dev+0xe2/0x170 [ 371.782965][ T73] inet6_addr_add+0x12f/0xa40 [ 371.782965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.782965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.782965][ T73] netlink_rcv_skb+0x130/0x360 [ 371.782965][ T73] netlink_unicast+0x449/0x710 [ 371.782965][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.782965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.782965][ T73] ___sys_sendmsg+0xee/0x170 [ 371.782965][ T73] __sys_sendmsg+0xcd/0x170 [ 371.782965][ T73] do_syscall_64+0xc6/0x1e0 [ 371.782965][ T73] [ 371.784935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.784935][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 371.784935][ T73] ipv6_find_idev+0x102/0x170 [ 371.784935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.784935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.784935][ T73] netlink_rcv_skb+0x130/0x360 [ 371.784935][ T73] netlink_unicast+0x449/0x710 [ 371.784935][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.784935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.784935][ T73] ___sys_sendmsg+0xee/0x170 [ 371.784935][ T73] __sys_sendmsg+0xcd/0x170 [ 371.784935][ T73] do_syscall_64+0xc6/0x1e0 [ 371.784935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.784935][ T73] [ 371.786474][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 371.786474][ T73] neigh_parms_alloc+0x1e5/0x510 [ 371.786474][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 371.786474][ T73] ipv6_find_idev+0x102/0x170 [ 371.786474][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.786474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.786474][ T73] netlink_rcv_skb+0x130/0x360 [ 371.786474][ T73] netlink_unicast+0x449/0x710 [ 371.786474][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.786474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.786474][ T73] ___sys_sendmsg+0xee/0x170 [ 371.786474][ T73] __sys_sendmsg+0xcd/0x170 [ 371.786474][ T73] do_syscall_64+0xc6/0x1e0 [ 371.786474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.786474][ T73] [ 371.788177][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 371.788465][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.788465][ T73] dst_init+0x84/0x4a0 [ 371.788465][ T73] dst_alloc+0x97/0x150 [ 371.788465][ T73] ip6_dst_alloc+0x23/0x90 [ 371.788465][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 371.788465][ T73] ip6_pol_route+0x56f/0x840 [ 371.788465][ T73] fib6_rule_lookup+0x456/0x630 [ 371.788465][ T73] ip6_route_input+0x59c/0xa50 [ 371.788465][ T73] ipv6_rcv+0x397/0x810 [ 371.788465][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 371.788465][ T73] process_backlog+0x101/0x620 [ 371.788465][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 371.788465][ T73] net_rx_action+0x495/0xbe0 [ 371.788465][ T73] __do_softirq+0x1b5/0x7f6 [ 371.788465][ T73] [ 371.790119][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.790119][ T73] netdev_get_by_index+0x5e/0x80 [ 371.790119][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.790119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.790119][ T73] addrconf_f6i_alloc+0x265/0x560 [ 371.790119][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 371.790119][ T73] addrconf_join_anycast+0x1c0/0x220 [ 371.790119][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 371.790119][ T73] addrconf_dad_completed+0x12b/0xe20 [ 371.790119][ T73] addrconf_dad_begin+0x310/0x670 [ 371.790119][ T73] addrconf_dad_work+0x10b/0xab0 [ 371.790119][ T73] process_one_work+0x84d/0x18a0 [ 371.790119][ T73] worker_thread+0x587/0xd30 [ 371.790119][ T73] kthread+0x28a/0x350 [ 371.790119][ T73] ret_from_fork+0x31/0x70 [ 371.790119][ T73] ret_from_fork_asm+0x1a/0x30 [ 371.790119][ T73] [ 371.792019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.792019][ T73] netdev_get_by_index+0x5e/0x80 [ 371.792019][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.792019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.792019][ T73] ip6_route_add+0x1c/0x140 [ 371.792019][ T73] addrconf_prefix_route+0x2a6/0x430 [ 371.792019][ T73] inet6_addr_add+0x4f8/0xa40 [ 371.792019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.792019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.792019][ T73] netlink_rcv_skb+0x130/0x360 [ 371.792019][ T73] netlink_unicast+0x449/0x710 [ 371.792019][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.792019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.792019][ T73] ___sys_sendmsg+0xee/0x170 [ 371.792019][ T73] __sys_sendmsg+0xcd/0x170 [ 371.792019][ T73] do_syscall_64+0xc6/0x1e0 [ 371.792019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.792019][ T73] [ 371.794011][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.794011][ T73] netdev_get_by_index+0x5e/0x80 [ 371.794011][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.794011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.794011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 371.794011][ T73] ipv6_add_addr+0x411/0x2000 [ 371.794011][ T73] inet6_addr_add+0x30e/0xa40 [ 371.794011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.794011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.794011][ T73] netlink_rcv_skb+0x130/0x360 [ 371.794011][ T73] netlink_unicast+0x449/0x710 [ 371.794011][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.794011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.794011][ T73] ___sys_sendmsg+0xee/0x170 [ 371.794011][ T73] __sys_sendmsg+0xcd/0x170 [ 371.794011][ T73] do_syscall_64+0xc6/0x1e0 [ 371.794011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.794011][ T73] [ 371.796008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.796008][ T73] netdev_get_by_index+0x5e/0x80 [ 371.796008][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.796008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.796008][ T73] ip6_route_add+0x1c/0x140 [ 371.796008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 371.796008][ T73] addrconf_add_dev+0xe2/0x170 [ 371.796008][ T73] inet6_addr_add+0x12f/0xa40 [ 371.796008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.796008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.796008][ T73] netlink_rcv_skb+0x130/0x360 [ 371.796008][ T73] netlink_unicast+0x449/0x710 [ 371.796008][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.796008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.796008][ T73] ___sys_sendmsg+0xee/0x170 [ 371.796008][ T73] __sys_sendmsg+0xcd/0x170 [ 371.796008][ T73] do_syscall_64+0xc6/0x1e0 [ 371.796008][ T73] [ 371.797957][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.797957][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 371.797957][ T73] ipv6_find_idev+0x102/0x170 [ 371.797957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.797957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.797957][ T73] netlink_rcv_skb+0x130/0x360 [ 371.797957][ T73] netlink_unicast+0x449/0x710 [ 371.797957][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.797957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.797957][ T73] ___sys_sendmsg+0xee/0x170 [ 371.797957][ T73] __sys_sendmsg+0xcd/0x170 [ 371.797957][ T73] do_syscall_64+0xc6/0x1e0 [ 371.797957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.797957][ T73] [ 371.799495][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 371.799495][ T73] neigh_parms_alloc+0x1e5/0x510 [ 371.799495][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 371.799495][ T73] ipv6_find_idev+0x102/0x170 [ 371.799495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.799495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.799495][ T73] netlink_rcv_skb+0x130/0x360 [ 371.799495][ T73] netlink_unicast+0x449/0x710 [ 371.799495][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.799495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.799495][ T73] ___sys_sendmsg+0xee/0x170 [ 371.799495][ T73] __sys_sendmsg+0xcd/0x170 [ 371.799495][ T73] do_syscall_64+0xc6/0x1e0 [ 371.799495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.799495][ T73] [ 371.801305][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 371.801579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.801579][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 371.801579][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 371.801579][ T73] fib6_nh_init+0xa22/0x1580 [ 371.801579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.801579][ T73] ip6_route_add+0x1c/0x140 [ 371.801579][ T73] inet6_rtm_newroute+0x104/0x110 [ 371.801579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.801579][ T73] netlink_rcv_skb+0x130/0x360 [ 371.801579][ T73] netlink_unicast+0x449/0x710 [ 371.801579][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.801579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.801579][ T73] ___sys_sendmsg+0xee/0x170 [ 371.801579][ T73] __sys_sendmsg+0xcd/0x170 [ 371.801579][ T73] do_syscall_64+0xc6/0x1e0 [ 371.801579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.801579][ T73] [ 371.803753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.803753][ T73] dst_init+0x84/0x4a0 [ 371.803753][ T73] dst_alloc+0x97/0x150 [ 371.803753][ T73] ip6_dst_alloc+0x23/0x90 [ 371.803753][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 371.803753][ T73] ip6_pol_route+0x56f/0x840 [ 371.803753][ T73] fib6_rule_lookup+0x456/0x630 [ 371.803753][ T73] ip6_route_input+0x59c/0xa50 [ 371.803753][ T73] ipv6_rcv+0x397/0x810 [ 371.803753][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 371.803753][ T73] process_backlog+0x101/0x620 [ 371.803753][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 371.803753][ T73] net_rx_action+0x495/0xbe0 [ 371.803753][ T73] __do_softirq+0x1b5/0x7f6 [ 371.803753][ T73] [ 371.805561][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.805561][ T73] netdev_get_by_index+0x5e/0x80 [ 371.805561][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.805561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.805561][ T73] ip6_route_add+0x1c/0x140 [ 371.805561][ T73] addrconf_prefix_route+0x2a6/0x430 [ 371.805561][ T73] inet6_addr_add+0x4f8/0xa40 [ 371.805561][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.805561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.805561][ T73] netlink_rcv_skb+0x130/0x360 [ 371.805561][ T73] netlink_unicast+0x449/0x710 [ 371.805561][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.805561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.805561][ T73] ___sys_sendmsg+0xee/0x170 [ 371.805561][ T73] __sys_sendmsg+0xcd/0x170 [ 371.805561][ T73] do_syscall_64+0xc6/0x1e0 [ 371.805561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.805561][ T73] [ 371.807794][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.807794][ T73] netdev_get_by_index+0x5e/0x80 [ 371.807794][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.807794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.807794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 371.807794][ T73] ipv6_add_addr+0x411/0x2000 [ 371.807794][ T73] inet6_addr_add+0x30e/0xa40 [ 371.807794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.807794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.807794][ T73] netlink_rcv_skb+0x130/0x360 [ 371.807794][ T73] netlink_unicast+0x449/0x710 [ 371.807794][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.807794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.807794][ T73] ___sys_sendmsg+0xee/0x170 [ 371.807794][ T73] __sys_sendmsg+0xcd/0x170 [ 371.807794][ T73] do_syscall_64+0xc6/0x1e0 [ 371.807794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.807794][ T73] [ 371.809985][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.809985][ T73] netdev_get_by_index+0x5e/0x80 [ 371.809985][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.809985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.809985][ T73] ip6_route_add+0x1c/0x140 [ 371.809985][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 371.809985][ T73] addrconf_add_dev+0xe2/0x170 [ 371.809985][ T73] inet6_addr_add+0x12f/0xa40 [ 371.809985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.809985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.809985][ T73] netlink_rcv_skb+0x130/0x360 [ 371.809985][ T73] netlink_unicast+0x449/0x710 [ 371.809985][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.809985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.809985][ T73] ___sys_sendmsg+0xee/0x170 [ 371.809985][ T73] __sys_sendmsg+0xcd/0x170 [ 371.809985][ T73] do_syscall_64+0xc6/0x1e0 [ 371.809985][ T73] [ 371.812181][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.812181][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 371.812181][ T73] ipv6_find_idev+0x102/0x170 [ 371.812181][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.812181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.812181][ T73] netlink_rcv_skb+0x130/0x360 [ 371.812181][ T73] netlink_unicast+0x449/0x710 [ 371.812181][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.812181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.812181][ T73] ___sys_sendmsg+0xee/0x170 [ 371.812181][ T73] __sys_sendmsg+0xcd/0x170 [ 371.812181][ T73] do_syscall_64+0xc6/0x1e0 [ 371.812181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.812181][ T73] [ 371.813898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 371.813898][ T73] neigh_parms_alloc+0x1e5/0x510 [ 371.813898][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 371.813898][ T73] ipv6_find_idev+0x102/0x170 [ 371.813898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.813898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.813898][ T73] netlink_rcv_skb+0x130/0x360 [ 371.813898][ T73] netlink_unicast+0x449/0x710 [ 371.813898][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.813898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.813898][ T73] ___sys_sendmsg+0xee/0x170 [ 371.813898][ T73] __sys_sendmsg+0xcd/0x170 [ 371.813898][ T73] do_syscall_64+0xc6/0x1e0 [ 371.813898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.813898][ T73] [ 371.815868][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 371.816159][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 371.816159][ T73] netdev_get_by_index+0x5e/0x80 [ 371.816159][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.816159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.816159][ T73] addrconf_f6i_alloc+0x265/0x560 [ 371.816159][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 371.816159][ T73] addrconf_join_anycast+0x1c0/0x220 [ 371.816159][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 371.816159][ T73] addrconf_dad_completed+0x12b/0xe20 [ 371.816159][ T73] addrconf_dad_begin+0x310/0x670 [ 371.816159][ T73] addrconf_dad_work+0x10b/0xab0 [ 371.816159][ T73] process_one_work+0x84d/0x18a0 [ 371.816159][ T73] worker_thread+0x587/0xd30 [ 371.816159][ T73] kthread+0x28a/0x350 [ 371.816159][ T73] ret_from_fork+0x31/0x70 [ 371.816159][ T73] ret_from_fork_asm+0x1a/0x30 [ 371.816159][ T73] [ 371.818303][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 371.818303][ T73] netdev_get_by_index+0x5e/0x80 [ 371.818303][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.818303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.818303][ T73] ip6_route_add+0x1c/0x140 [ 371.818303][ T73] addrconf_prefix_route+0x2a6/0x430 [ 371.818303][ T73] inet6_addr_add+0x4f8/0xa40 [ 371.818303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.818303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.818303][ T73] netlink_rcv_skb+0x130/0x360 [ 371.818303][ T73] netlink_unicast+0x449/0x710 [ 371.818303][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.818303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.818303][ T73] ___sys_sendmsg+0xee/0x170 [ 371.818303][ T73] __sys_sendmsg+0xcd/0x170 [ 371.818303][ T73] do_syscall_64+0xc6/0x1e0 [ 371.818303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.818303][ T73] [ 371.820541][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 371.820541][ T73] netdev_get_by_index+0x5e/0x80 [ 371.820541][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.820541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.820541][ T73] addrconf_f6i_alloc+0x315/0x560 [ 371.820541][ T73] ipv6_add_addr+0x411/0x2000 [ 371.820541][ T73] inet6_addr_add+0x30e/0xa40 [ 371.820541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.820541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.820541][ T73] netlink_rcv_skb+0x130/0x360 [ 371.820541][ T73] netlink_unicast+0x449/0x710 [ 371.820541][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.820541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.820541][ T73] ___sys_sendmsg+0xee/0x170 [ 371.820541][ T73] __sys_sendmsg+0xcd/0x170 [ 371.820541][ T73] do_syscall_64+0xc6/0x1e0 [ 371.820541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.820541][ T73] [ 371.822778][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 371.822778][ T73] netdev_get_by_index+0x5e/0x80 [ 371.822778][ T73] fib6_nh_init+0x3d8/0x1580 [ 371.822778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 371.822778][ T73] ip6_route_add+0x1c/0x140 [ 371.822778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 371.822778][ T73] addrconf_add_dev+0xe2/0x170 [ 371.822778][ T73] inet6_addr_add+0x12f/0xa40 [ 371.822778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 371.822778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.822778][ T73] netlink_rcv_skb+0x130/0x360 [ 371.822778][ T73] netlink_unicast+0x449/0x710 [ 371.822778][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.822778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.822778][ T73] ___sys_sendmsg+0xee/0x170 [ 371.822778][ T73] __sys_sendmsg+0xcd/0x170 [ 371.822778][ T73] do_syscall_64+0xc6/0x1e0 [ 371.822778][ T73] [ 371.824982][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 371.824982][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 371.824982][ T73] ipv6_find_idev+0x102/0x170 [ 371.824982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.824982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.824982][ T73] netlink_rcv_skb+0x130/0x360 [ 371.824982][ T73] netlink_unicast+0x449/0x710 [ 371.824982][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.824982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.824982][ T73] ___sys_sendmsg+0xee/0x170 [ 371.824982][ T73] __sys_sendmsg+0xcd/0x170 [ 371.824982][ T73] do_syscall_64+0xc6/0x1e0 [ 371.824982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.824982][ T73] [ 371.826698][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 371.826698][ T73] neigh_parms_alloc+0x1e5/0x510 [ 371.826698][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 371.826698][ T73] ipv6_find_idev+0x102/0x170 [ 371.826698][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.826698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.826698][ T73] netlink_rcv_skb+0x130/0x360 [ 371.826698][ T73] netlink_unicast+0x449/0x710 [ 371.826698][ T73] netlink_sendmsg+0x723/0xbe0 [ 371.826698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 371.826698][ T73] ___sys_sendmsg+0xee/0x170 [ 371.826698][ T73] __sys_sendmsg+0xcd/0x170 [ 371.826698][ T73] do_syscall_64+0xc6/0x1e0 [ 371.826698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.826698][ T73] [ 381.918926][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 381.919359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.919359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 381.919359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 381.919359][ T73] fib6_nh_init+0xa22/0x1580 [ 381.919359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.919359][ T73] ip6_route_add+0x1c/0x140 [ 381.919359][ T73] inet6_rtm_newroute+0x104/0x110 [ 381.919359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.919359][ T73] netlink_rcv_skb+0x130/0x360 [ 381.919359][ T73] netlink_unicast+0x449/0x710 [ 381.919359][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.919359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.919359][ T73] ___sys_sendmsg+0xee/0x170 [ 381.919359][ T73] __sys_sendmsg+0xcd/0x170 [ 381.919359][ T73] do_syscall_64+0xc6/0x1e0 [ 381.919359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.919359][ T73] [ 381.921312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.921312][ T73] dst_init+0x84/0x4a0 [ 381.921312][ T73] dst_alloc+0x97/0x150 [ 381.921312][ T73] ip6_dst_alloc+0x23/0x90 [ 381.921312][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 381.921312][ T73] ip6_pol_route+0x56f/0x840 [ 381.921312][ T73] fib6_rule_lookup+0x456/0x630 [ 381.921312][ T73] ip6_route_input+0x59c/0xa50 [ 381.921312][ T73] ipv6_rcv+0x397/0x810 [ 381.921312][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 381.921312][ T73] process_backlog+0x101/0x620 [ 381.921312][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 381.921312][ T73] net_rx_action+0x495/0xbe0 [ 381.921312][ T73] __do_softirq+0x1b5/0x7f6 [ 381.921312][ T73] [ 381.923010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.923010][ T73] netdev_get_by_index+0x5e/0x80 [ 381.923010][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.923010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.923010][ T73] ip6_route_add+0x1c/0x140 [ 381.923010][ T73] addrconf_prefix_route+0x2a6/0x430 [ 381.923010][ T73] inet6_addr_add+0x4f8/0xa40 [ 381.923010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.923010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.923010][ T73] netlink_rcv_skb+0x130/0x360 [ 381.923010][ T73] netlink_unicast+0x449/0x710 [ 381.923010][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.923010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.923010][ T73] ___sys_sendmsg+0xee/0x170 [ 381.923010][ T73] __sys_sendmsg+0xcd/0x170 [ 381.923010][ T73] do_syscall_64+0xc6/0x1e0 [ 381.923010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.923010][ T73] [ 381.925071][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.925071][ T73] netdev_get_by_index+0x5e/0x80 [ 381.925071][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.925071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.925071][ T73] addrconf_f6i_alloc+0x315/0x560 [ 381.925071][ T73] ipv6_add_addr+0x411/0x2000 [ 381.925071][ T73] inet6_addr_add+0x30e/0xa40 [ 381.925071][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.925071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.925071][ T73] netlink_rcv_skb+0x130/0x360 [ 381.925071][ T73] netlink_unicast+0x449/0x710 [ 381.925071][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.925071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.925071][ T73] ___sys_sendmsg+0xee/0x170 [ 381.925071][ T73] __sys_sendmsg+0xcd/0x170 [ 381.925071][ T73] do_syscall_64+0xc6/0x1e0 [ 381.925071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.925071][ T73] [ 381.927137][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.927137][ T73] netdev_get_by_index+0x5e/0x80 [ 381.927137][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.927137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.927137][ T73] ip6_route_add+0x1c/0x140 [ 381.927137][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 381.927137][ T73] addrconf_add_dev+0xe2/0x170 [ 381.927137][ T73] inet6_addr_add+0x12f/0xa40 [ 381.927137][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.927137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.927137][ T73] netlink_rcv_skb+0x130/0x360 [ 381.927137][ T73] netlink_unicast+0x449/0x710 [ 381.927137][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.927137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.927137][ T73] ___sys_sendmsg+0xee/0x170 [ 381.927137][ T73] __sys_sendmsg+0xcd/0x170 [ 381.927137][ T73] do_syscall_64+0xc6/0x1e0 [ 381.927137][ T73] [ 381.929204][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.929204][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 381.929204][ T73] ipv6_find_idev+0x102/0x170 [ 381.929204][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.929204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.929204][ T73] netlink_rcv_skb+0x130/0x360 [ 381.929204][ T73] netlink_unicast+0x449/0x710 [ 381.929204][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.929204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.929204][ T73] ___sys_sendmsg+0xee/0x170 [ 381.929204][ T73] __sys_sendmsg+0xcd/0x170 [ 381.929204][ T73] do_syscall_64+0xc6/0x1e0 [ 381.929204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.929204][ T73] [ 381.930786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 381.930786][ T73] neigh_parms_alloc+0x1e5/0x510 [ 381.930786][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 381.930786][ T73] ipv6_find_idev+0x102/0x170 [ 381.930786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.930786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.930786][ T73] netlink_rcv_skb+0x130/0x360 [ 381.930786][ T73] netlink_unicast+0x449/0x710 [ 381.930786][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.930786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.930786][ T73] ___sys_sendmsg+0xee/0x170 [ 381.930786][ T73] __sys_sendmsg+0xcd/0x170 [ 381.930786][ T73] do_syscall_64+0xc6/0x1e0 [ 381.930786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.930786][ T73] [ 381.932564][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 381.932873][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.932873][ T73] dst_init+0x84/0x4a0 [ 381.932873][ T73] dst_alloc+0x97/0x150 [ 381.932873][ T73] ip6_dst_alloc+0x23/0x90 [ 381.932873][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 381.932873][ T73] ip6_pol_route+0x56f/0x840 [ 381.932873][ T73] fib6_rule_lookup+0x456/0x630 [ 381.932873][ T73] ip6_route_input+0x59c/0xa50 [ 381.932873][ T73] ipv6_rcv+0x397/0x810 [ 381.932873][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 381.932873][ T73] process_backlog+0x101/0x620 [ 381.932873][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 381.932873][ T73] net_rx_action+0x495/0xbe0 [ 381.932873][ T73] __do_softirq+0x1b5/0x7f6 [ 381.932873][ T73] [ 381.934587][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.934587][ T73] netdev_get_by_index+0x5e/0x80 [ 381.934587][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.934587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.934587][ T73] addrconf_f6i_alloc+0x265/0x560 [ 381.934587][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 381.934587][ T73] addrconf_join_anycast+0x1c0/0x220 [ 381.934587][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 381.934587][ T73] addrconf_dad_completed+0x12b/0xe20 [ 381.934587][ T73] addrconf_dad_begin+0x310/0x670 [ 381.934587][ T73] addrconf_dad_work+0x10b/0xab0 [ 381.934587][ T73] process_one_work+0x84d/0x18a0 [ 381.934587][ T73] worker_thread+0x587/0xd30 [ 381.934587][ T73] kthread+0x28a/0x350 [ 381.934587][ T73] ret_from_fork+0x31/0x70 [ 381.934587][ T73] ret_from_fork_asm+0x1a/0x30 [ 381.934587][ T73] [ 381.936549][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.936549][ T73] netdev_get_by_index+0x5e/0x80 [ 381.936549][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.936549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.936549][ T73] ip6_route_add+0x1c/0x140 [ 381.936549][ T73] addrconf_prefix_route+0x2a6/0x430 [ 381.936549][ T73] inet6_addr_add+0x4f8/0xa40 [ 381.936549][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.936549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.936549][ T73] netlink_rcv_skb+0x130/0x360 [ 381.936549][ T73] netlink_unicast+0x449/0x710 [ 381.936549][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.936549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.936549][ T73] ___sys_sendmsg+0xee/0x170 [ 381.936549][ T73] __sys_sendmsg+0xcd/0x170 [ 381.936549][ T73] do_syscall_64+0xc6/0x1e0 [ 381.936549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.936549][ T73] [ 381.938556][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.938556][ T73] netdev_get_by_index+0x5e/0x80 [ 381.938556][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.938556][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.938556][ T73] addrconf_f6i_alloc+0x315/0x560 [ 381.938556][ T73] ipv6_add_addr+0x411/0x2000 [ 381.938556][ T73] inet6_addr_add+0x30e/0xa40 [ 381.938556][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.938556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.938556][ T73] netlink_rcv_skb+0x130/0x360 [ 381.938556][ T73] netlink_unicast+0x449/0x710 [ 381.938556][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.938556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.938556][ T73] ___sys_sendmsg+0xee/0x170 [ 381.938556][ T73] __sys_sendmsg+0xcd/0x170 [ 381.938556][ T73] do_syscall_64+0xc6/0x1e0 [ 381.938556][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.938556][ T73] [ 381.940603][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.940603][ T73] netdev_get_by_index+0x5e/0x80 [ 381.940603][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.940603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.940603][ T73] ip6_route_add+0x1c/0x140 [ 381.940603][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 381.940603][ T73] addrconf_add_dev+0xe2/0x170 [ 381.940603][ T73] inet6_addr_add+0x12f/0xa40 [ 381.940603][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.940603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.940603][ T73] netlink_rcv_skb+0x130/0x360 [ 381.940603][ T73] netlink_unicast+0x449/0x710 [ 381.940603][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.940603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.940603][ T73] ___sys_sendmsg+0xee/0x170 [ 381.940603][ T73] __sys_sendmsg+0xcd/0x170 [ 381.940603][ T73] do_syscall_64+0xc6/0x1e0 [ 381.940603][ T73] [ 381.942594][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.942594][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 381.942594][ T73] ipv6_find_idev+0x102/0x170 [ 381.942594][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.942594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.942594][ T73] netlink_rcv_skb+0x130/0x360 [ 381.942594][ T73] netlink_unicast+0x449/0x710 [ 381.942594][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.942594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.942594][ T73] ___sys_sendmsg+0xee/0x170 [ 381.942594][ T73] __sys_sendmsg+0xcd/0x170 [ 381.942594][ T73] do_syscall_64+0xc6/0x1e0 [ 381.942594][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.942594][ T73] [ 381.944154][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 381.944154][ T73] neigh_parms_alloc+0x1e5/0x510 [ 381.944154][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 381.944154][ T73] ipv6_find_idev+0x102/0x170 [ 381.944154][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.944154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.944154][ T73] netlink_rcv_skb+0x130/0x360 [ 381.944154][ T73] netlink_unicast+0x449/0x710 [ 381.944154][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.944154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.944154][ T73] ___sys_sendmsg+0xee/0x170 [ 381.944154][ T73] __sys_sendmsg+0xcd/0x170 [ 381.944154][ T73] do_syscall_64+0xc6/0x1e0 [ 381.944154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.944154][ T73] [ 381.946034][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 381.946326][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.946326][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 381.946326][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 381.946326][ T73] fib6_nh_init+0xa22/0x1580 [ 381.946326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.946326][ T73] ip6_route_add+0x1c/0x140 [ 381.946326][ T73] inet6_rtm_newroute+0x104/0x110 [ 381.946326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.946326][ T73] netlink_rcv_skb+0x130/0x360 [ 381.946326][ T73] netlink_unicast+0x449/0x710 [ 381.946326][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.946326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.946326][ T73] ___sys_sendmsg+0xee/0x170 [ 381.946326][ T73] __sys_sendmsg+0xcd/0x170 [ 381.946326][ T73] do_syscall_64+0xc6/0x1e0 [ 381.946326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.946326][ T73] [ 381.948550][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.948550][ T73] dst_init+0x84/0x4a0 [ 381.948550][ T73] dst_alloc+0x97/0x150 [ 381.948550][ T73] ip6_dst_alloc+0x23/0x90 [ 381.948550][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 381.948550][ T73] ip6_pol_route+0x56f/0x840 [ 381.948550][ T73] fib6_rule_lookup+0x456/0x630 [ 381.948550][ T73] ip6_route_input+0x59c/0xa50 [ 381.948550][ T73] ipv6_rcv+0x397/0x810 [ 381.948550][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 381.948550][ T73] process_backlog+0x101/0x620 [ 381.948550][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 381.948550][ T73] net_rx_action+0x495/0xbe0 [ 381.948550][ T73] __do_softirq+0x1b5/0x7f6 [ 381.948550][ T73] [ 381.950440][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.950440][ T73] netdev_get_by_index+0x5e/0x80 [ 381.950440][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.950440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.950440][ T73] ip6_route_add+0x1c/0x140 [ 381.950440][ T73] addrconf_prefix_route+0x2a6/0x430 [ 381.950440][ T73] inet6_addr_add+0x4f8/0xa40 [ 381.950440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.950440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.950440][ T73] netlink_rcv_skb+0x130/0x360 [ 381.950440][ T73] netlink_unicast+0x449/0x710 [ 381.950440][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.950440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.950440][ T73] ___sys_sendmsg+0xee/0x170 [ 381.950440][ T73] __sys_sendmsg+0xcd/0x170 [ 381.950440][ T73] do_syscall_64+0xc6/0x1e0 [ 381.950440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.950440][ T73] [ 381.952714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.952714][ T73] netdev_get_by_index+0x5e/0x80 [ 381.952714][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.952714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.952714][ T73] addrconf_f6i_alloc+0x315/0x560 [ 381.952714][ T73] ipv6_add_addr+0x411/0x2000 [ 381.952714][ T73] inet6_addr_add+0x30e/0xa40 [ 381.952714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.952714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.952714][ T73] netlink_rcv_skb+0x130/0x360 [ 381.952714][ T73] netlink_unicast+0x449/0x710 [ 381.952714][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.952714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.952714][ T73] ___sys_sendmsg+0xee/0x170 [ 381.952714][ T73] __sys_sendmsg+0xcd/0x170 [ 381.952714][ T73] do_syscall_64+0xc6/0x1e0 [ 381.952714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.952714][ T73] [ 381.954995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.954995][ T73] netdev_get_by_index+0x5e/0x80 [ 381.954995][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.954995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.954995][ T73] ip6_route_add+0x1c/0x140 [ 381.954995][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 381.954995][ T73] addrconf_add_dev+0xe2/0x170 [ 381.954995][ T73] inet6_addr_add+0x12f/0xa40 [ 381.954995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.954995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.954995][ T73] netlink_rcv_skb+0x130/0x360 [ 381.954995][ T73] netlink_unicast+0x449/0x710 [ 381.954995][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.954995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.954995][ T73] ___sys_sendmsg+0xee/0x170 [ 381.954995][ T73] __sys_sendmsg+0xcd/0x170 [ 381.954995][ T73] do_syscall_64+0xc6/0x1e0 [ 381.954995][ T73] [ 381.957239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.957239][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 381.957239][ T73] ipv6_find_idev+0x102/0x170 [ 381.957239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.957239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.957239][ T73] netlink_rcv_skb+0x130/0x360 [ 381.957239][ T73] netlink_unicast+0x449/0x710 [ 381.957239][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.957239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.957239][ T73] ___sys_sendmsg+0xee/0x170 [ 381.957239][ T73] __sys_sendmsg+0xcd/0x170 [ 381.957239][ T73] do_syscall_64+0xc6/0x1e0 [ 381.957239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.957239][ T73] [ 381.958999][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 381.958999][ T73] neigh_parms_alloc+0x1e5/0x510 [ 381.958999][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 381.958999][ T73] ipv6_find_idev+0x102/0x170 [ 381.958999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.958999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.958999][ T73] netlink_rcv_skb+0x130/0x360 [ 381.958999][ T73] netlink_unicast+0x449/0x710 [ 381.958999][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.958999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.958999][ T73] ___sys_sendmsg+0xee/0x170 [ 381.958999][ T73] __sys_sendmsg+0xcd/0x170 [ 381.958999][ T73] do_syscall_64+0xc6/0x1e0 [ 381.958999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.958999][ T73] [ 381.960976][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 381.961264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 381.961264][ T73] netdev_get_by_index+0x5e/0x80 [ 381.961264][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.961264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.961264][ T73] addrconf_f6i_alloc+0x265/0x560 [ 381.961264][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 381.961264][ T73] addrconf_join_anycast+0x1c0/0x220 [ 381.961264][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 381.961264][ T73] addrconf_dad_completed+0x12b/0xe20 [ 381.961264][ T73] addrconf_dad_begin+0x310/0x670 [ 381.961264][ T73] addrconf_dad_work+0x10b/0xab0 [ 381.961264][ T73] process_one_work+0x84d/0x18a0 [ 381.961264][ T73] worker_thread+0x587/0xd30 [ 381.961264][ T73] kthread+0x28a/0x350 [ 381.961264][ T73] ret_from_fork+0x31/0x70 [ 381.961264][ T73] ret_from_fork_asm+0x1a/0x30 [ 381.961264][ T73] [ 381.963474][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 381.963474][ T73] netdev_get_by_index+0x5e/0x80 [ 381.963474][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.963474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.963474][ T73] ip6_route_add+0x1c/0x140 [ 381.963474][ T73] addrconf_prefix_route+0x2a6/0x430 [ 381.963474][ T73] inet6_addr_add+0x4f8/0xa40 [ 381.963474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.963474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.963474][ T73] netlink_rcv_skb+0x130/0x360 [ 381.963474][ T73] netlink_unicast+0x449/0x710 [ 381.963474][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.963474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.963474][ T73] ___sys_sendmsg+0xee/0x170 [ 381.963474][ T73] __sys_sendmsg+0xcd/0x170 [ 381.963474][ T73] do_syscall_64+0xc6/0x1e0 [ 381.963474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.963474][ T73] [ 381.965733][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 381.965733][ T73] netdev_get_by_index+0x5e/0x80 [ 381.965733][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.965733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.965733][ T73] addrconf_f6i_alloc+0x315/0x560 [ 381.965733][ T73] ipv6_add_addr+0x411/0x2000 [ 381.965733][ T73] inet6_addr_add+0x30e/0xa40 [ 381.965733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.965733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.965733][ T73] netlink_rcv_skb+0x130/0x360 [ 381.965733][ T73] netlink_unicast+0x449/0x710 [ 381.965733][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.965733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.965733][ T73] ___sys_sendmsg+0xee/0x170 [ 381.965733][ T73] __sys_sendmsg+0xcd/0x170 [ 381.965733][ T73] do_syscall_64+0xc6/0x1e0 [ 381.965733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.965733][ T73] [ 381.967981][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 381.967981][ T73] netdev_get_by_index+0x5e/0x80 [ 381.967981][ T73] fib6_nh_init+0x3d8/0x1580 [ 381.967981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 381.967981][ T73] ip6_route_add+0x1c/0x140 [ 381.967981][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 381.967981][ T73] addrconf_add_dev+0xe2/0x170 [ 381.967981][ T73] inet6_addr_add+0x12f/0xa40 [ 381.967981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 381.967981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.967981][ T73] netlink_rcv_skb+0x130/0x360 [ 381.967981][ T73] netlink_unicast+0x449/0x710 [ 381.967981][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.967981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.967981][ T73] ___sys_sendmsg+0xee/0x170 [ 381.967981][ T73] __sys_sendmsg+0xcd/0x170 [ 381.967981][ T73] do_syscall_64+0xc6/0x1e0 [ 381.967981][ T73] [ 381.970206][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 381.970206][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 381.970206][ T73] ipv6_find_idev+0x102/0x170 [ 381.970206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.970206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.970206][ T73] netlink_rcv_skb+0x130/0x360 [ 381.970206][ T73] netlink_unicast+0x449/0x710 [ 381.970206][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.970206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.970206][ T73] ___sys_sendmsg+0xee/0x170 [ 381.970206][ T73] __sys_sendmsg+0xcd/0x170 [ 381.970206][ T73] do_syscall_64+0xc6/0x1e0 [ 381.970206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.970206][ T73] [ 381.971955][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 381.971955][ T73] neigh_parms_alloc+0x1e5/0x510 [ 381.971955][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 381.971955][ T73] ipv6_find_idev+0x102/0x170 [ 381.971955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.971955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.971955][ T73] netlink_rcv_skb+0x130/0x360 [ 381.971955][ T73] netlink_unicast+0x449/0x710 [ 381.971955][ T73] netlink_sendmsg+0x723/0xbe0 [ 381.971955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 381.971955][ T73] ___sys_sendmsg+0xee/0x170 [ 381.971955][ T73] __sys_sendmsg+0xcd/0x170 [ 381.971955][ T73] do_syscall_64+0xc6/0x1e0 [ 381.971955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.971955][ T73] [ 392.214934][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 392.215380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.215380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 392.215380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 392.215380][ T73] fib6_nh_init+0xa22/0x1580 [ 392.215380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.215380][ T73] ip6_route_add+0x1c/0x140 [ 392.215380][ T73] inet6_rtm_newroute+0x104/0x110 [ 392.215380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.215380][ T73] netlink_rcv_skb+0x130/0x360 [ 392.215380][ T73] netlink_unicast+0x449/0x710 [ 392.215380][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.215380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.215380][ T73] ___sys_sendmsg+0xee/0x170 [ 392.215380][ T73] __sys_sendmsg+0xcd/0x170 [ 392.215380][ T73] do_syscall_64+0xc6/0x1e0 [ 392.215380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.215380][ T73] [ 392.217294][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.217294][ T73] dst_init+0x84/0x4a0 [ 392.217294][ T73] dst_alloc+0x97/0x150 [ 392.217294][ T73] ip6_dst_alloc+0x23/0x90 [ 392.217294][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 392.217294][ T73] ip6_pol_route+0x56f/0x840 [ 392.217294][ T73] fib6_rule_lookup+0x456/0x630 [ 392.217294][ T73] ip6_route_input+0x59c/0xa50 [ 392.217294][ T73] ipv6_rcv+0x397/0x810 [ 392.217294][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 392.217294][ T73] process_backlog+0x101/0x620 [ 392.217294][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 392.217294][ T73] net_rx_action+0x495/0xbe0 [ 392.217294][ T73] __do_softirq+0x1b5/0x7f6 [ 392.217294][ T73] [ 392.218959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.218959][ T73] netdev_get_by_index+0x5e/0x80 [ 392.218959][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.218959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.218959][ T73] ip6_route_add+0x1c/0x140 [ 392.218959][ T73] addrconf_prefix_route+0x2a6/0x430 [ 392.218959][ T73] inet6_addr_add+0x4f8/0xa40 [ 392.218959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.218959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.218959][ T73] netlink_rcv_skb+0x130/0x360 [ 392.218959][ T73] netlink_unicast+0x449/0x710 [ 392.218959][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.218959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.218959][ T73] ___sys_sendmsg+0xee/0x170 [ 392.218959][ T73] __sys_sendmsg+0xcd/0x170 [ 392.218959][ T73] do_syscall_64+0xc6/0x1e0 [ 392.218959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.218959][ T73] [ 392.220945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.220945][ T73] netdev_get_by_index+0x5e/0x80 [ 392.220945][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.220945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.220945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 392.220945][ T73] ipv6_add_addr+0x411/0x2000 [ 392.220945][ T73] inet6_addr_add+0x30e/0xa40 [ 392.220945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.220945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.220945][ T73] netlink_rcv_skb+0x130/0x360 [ 392.220945][ T73] netlink_unicast+0x449/0x710 [ 392.220945][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.220945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.220945][ T73] ___sys_sendmsg+0xee/0x170 [ 392.220945][ T73] __sys_sendmsg+0xcd/0x170 [ 392.220945][ T73] do_syscall_64+0xc6/0x1e0 [ 392.220945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.220945][ T73] [ 392.222927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.222927][ T73] netdev_get_by_index+0x5e/0x80 [ 392.222927][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.222927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.222927][ T73] ip6_route_add+0x1c/0x140 [ 392.222927][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 392.222927][ T73] addrconf_add_dev+0xe2/0x170 [ 392.222927][ T73] inet6_addr_add+0x12f/0xa40 [ 392.222927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.222927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.222927][ T73] netlink_rcv_skb+0x130/0x360 [ 392.222927][ T73] netlink_unicast+0x449/0x710 [ 392.222927][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.222927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.222927][ T73] ___sys_sendmsg+0xee/0x170 [ 392.222927][ T73] __sys_sendmsg+0xcd/0x170 [ 392.222927][ T73] do_syscall_64+0xc6/0x1e0 [ 392.222927][ T73] [ 392.224862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.224862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 392.224862][ T73] ipv6_find_idev+0x102/0x170 [ 392.224862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.224862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.224862][ T73] netlink_rcv_skb+0x130/0x360 [ 392.224862][ T73] netlink_unicast+0x449/0x710 [ 392.224862][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.224862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.224862][ T73] ___sys_sendmsg+0xee/0x170 [ 392.224862][ T73] __sys_sendmsg+0xcd/0x170 [ 392.224862][ T73] do_syscall_64+0xc6/0x1e0 [ 392.224862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.224862][ T73] [ 392.226391][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 392.226391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 392.226391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 392.226391][ T73] ipv6_find_idev+0x102/0x170 [ 392.226391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.226391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.226391][ T73] netlink_rcv_skb+0x130/0x360 [ 392.226391][ T73] netlink_unicast+0x449/0x710 [ 392.226391][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.226391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.226391][ T73] ___sys_sendmsg+0xee/0x170 [ 392.226391][ T73] __sys_sendmsg+0xcd/0x170 [ 392.226391][ T73] do_syscall_64+0xc6/0x1e0 [ 392.226391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.226391][ T73] [ 392.228086][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 392.228363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.228363][ T73] dst_init+0x84/0x4a0 [ 392.228363][ T73] dst_alloc+0x97/0x150 [ 392.228363][ T73] ip6_dst_alloc+0x23/0x90 [ 392.228363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 392.228363][ T73] ip6_pol_route+0x56f/0x840 [ 392.228363][ T73] fib6_rule_lookup+0x456/0x630 [ 392.228363][ T73] ip6_route_input+0x59c/0xa50 [ 392.228363][ T73] ipv6_rcv+0x397/0x810 [ 392.228363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 392.228363][ T73] process_backlog+0x101/0x620 [ 392.228363][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 392.228363][ T73] net_rx_action+0x495/0xbe0 [ 392.228363][ T73] __do_softirq+0x1b5/0x7f6 [ 392.228363][ T73] [ 392.230097][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.230097][ T73] netdev_get_by_index+0x5e/0x80 [ 392.230097][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.230097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.230097][ T73] addrconf_f6i_alloc+0x265/0x560 [ 392.230097][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 392.230097][ T73] addrconf_join_anycast+0x1c0/0x220 [ 392.230097][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 392.230097][ T73] addrconf_dad_completed+0x12b/0xe20 [ 392.230097][ T73] addrconf_dad_begin+0x310/0x670 [ 392.230097][ T73] addrconf_dad_work+0x10b/0xab0 [ 392.230097][ T73] process_one_work+0x84d/0x18a0 [ 392.230097][ T73] worker_thread+0x587/0xd30 [ 392.230097][ T73] kthread+0x28a/0x350 [ 392.230097][ T73] ret_from_fork+0x31/0x70 [ 392.230097][ T73] ret_from_fork_asm+0x1a/0x30 [ 392.230097][ T73] [ 392.231995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.231995][ T73] netdev_get_by_index+0x5e/0x80 [ 392.231995][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.231995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.231995][ T73] ip6_route_add+0x1c/0x140 [ 392.231995][ T73] addrconf_prefix_route+0x2a6/0x430 [ 392.231995][ T73] inet6_addr_add+0x4f8/0xa40 [ 392.231995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.231995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.231995][ T73] netlink_rcv_skb+0x130/0x360 [ 392.231995][ T73] netlink_unicast+0x449/0x710 [ 392.231995][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.231995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.231995][ T73] ___sys_sendmsg+0xee/0x170 [ 392.231995][ T73] __sys_sendmsg+0xcd/0x170 [ 392.231995][ T73] do_syscall_64+0xc6/0x1e0 [ 392.231995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.231995][ T73] [ 392.233985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.233985][ T73] netdev_get_by_index+0x5e/0x80 [ 392.233985][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.233985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.233985][ T73] addrconf_f6i_alloc+0x315/0x560 [ 392.233985][ T73] ipv6_add_addr+0x411/0x2000 [ 392.233985][ T73] inet6_addr_add+0x30e/0xa40 [ 392.233985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.233985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.233985][ T73] netlink_rcv_skb+0x130/0x360 [ 392.233985][ T73] netlink_unicast+0x449/0x710 [ 392.233985][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.233985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.233985][ T73] ___sys_sendmsg+0xee/0x170 [ 392.233985][ T73] __sys_sendmsg+0xcd/0x170 [ 392.233985][ T73] do_syscall_64+0xc6/0x1e0 [ 392.233985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.233985][ T73] [ 392.235972][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.235972][ T73] netdev_get_by_index+0x5e/0x80 [ 392.235972][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.235972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.235972][ T73] ip6_route_add+0x1c/0x140 [ 392.235972][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 392.235972][ T73] addrconf_add_dev+0xe2/0x170 [ 392.235972][ T73] inet6_addr_add+0x12f/0xa40 [ 392.235972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.235972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.235972][ T73] netlink_rcv_skb+0x130/0x360 [ 392.235972][ T73] netlink_unicast+0x449/0x710 [ 392.235972][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.235972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.235972][ T73] ___sys_sendmsg+0xee/0x170 [ 392.235972][ T73] __sys_sendmsg+0xcd/0x170 [ 392.235972][ T73] do_syscall_64+0xc6/0x1e0 [ 392.235972][ T73] [ 392.237925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.237925][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 392.237925][ T73] ipv6_find_idev+0x102/0x170 [ 392.237925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.237925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.237925][ T73] netlink_rcv_skb+0x130/0x360 [ 392.237925][ T73] netlink_unicast+0x449/0x710 [ 392.237925][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.237925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.237925][ T73] ___sys_sendmsg+0xee/0x170 [ 392.237925][ T73] __sys_sendmsg+0xcd/0x170 [ 392.237925][ T73] do_syscall_64+0xc6/0x1e0 [ 392.237925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.237925][ T73] [ 392.239465][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 392.239465][ T73] neigh_parms_alloc+0x1e5/0x510 [ 392.239465][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 392.239465][ T73] ipv6_find_idev+0x102/0x170 [ 392.239465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.239465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.239465][ T73] netlink_rcv_skb+0x130/0x360 [ 392.239465][ T73] netlink_unicast+0x449/0x710 [ 392.239465][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.239465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.239465][ T73] ___sys_sendmsg+0xee/0x170 [ 392.239465][ T73] __sys_sendmsg+0xcd/0x170 [ 392.239465][ T73] do_syscall_64+0xc6/0x1e0 [ 392.239465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.239465][ T73] [ 392.241368][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 392.241640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.241640][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 392.241640][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 392.241640][ T73] fib6_nh_init+0xa22/0x1580 [ 392.241640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.241640][ T73] ip6_route_add+0x1c/0x140 [ 392.241640][ T73] inet6_rtm_newroute+0x104/0x110 [ 392.241640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.241640][ T73] netlink_rcv_skb+0x130/0x360 [ 392.241640][ T73] netlink_unicast+0x449/0x710 [ 392.241640][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.241640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.241640][ T73] ___sys_sendmsg+0xee/0x170 [ 392.241640][ T73] __sys_sendmsg+0xcd/0x170 [ 392.241640][ T73] do_syscall_64+0xc6/0x1e0 [ 392.241640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.241640][ T73] [ 392.243846][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.243846][ T73] dst_init+0x84/0x4a0 [ 392.243846][ T73] dst_alloc+0x97/0x150 [ 392.243846][ T73] ip6_dst_alloc+0x23/0x90 [ 392.243846][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 392.243846][ T73] ip6_pol_route+0x56f/0x840 [ 392.243846][ T73] fib6_rule_lookup+0x456/0x630 [ 392.243846][ T73] ip6_route_input+0x59c/0xa50 [ 392.243846][ T73] ipv6_rcv+0x397/0x810 [ 392.243846][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 392.243846][ T73] process_backlog+0x101/0x620 [ 392.243846][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 392.243846][ T73] net_rx_action+0x495/0xbe0 [ 392.243846][ T73] __do_softirq+0x1b5/0x7f6 [ 392.243846][ T73] [ 392.245655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.245655][ T73] netdev_get_by_index+0x5e/0x80 [ 392.245655][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.245655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.245655][ T73] ip6_route_add+0x1c/0x140 [ 392.245655][ T73] addrconf_prefix_route+0x2a6/0x430 [ 392.245655][ T73] inet6_addr_add+0x4f8/0xa40 [ 392.245655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.245655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.245655][ T73] netlink_rcv_skb+0x130/0x360 [ 392.245655][ T73] netlink_unicast+0x449/0x710 [ 392.245655][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.245655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.245655][ T73] ___sys_sendmsg+0xee/0x170 [ 392.245655][ T73] __sys_sendmsg+0xcd/0x170 [ 392.245655][ T73] do_syscall_64+0xc6/0x1e0 [ 392.245655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.245655][ T73] [ 392.247899][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.247899][ T73] netdev_get_by_index+0x5e/0x80 [ 392.247899][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.247899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.247899][ T73] addrconf_f6i_alloc+0x315/0x560 [ 392.247899][ T73] ipv6_add_addr+0x411/0x2000 [ 392.247899][ T73] inet6_addr_add+0x30e/0xa40 [ 392.247899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.247899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.247899][ T73] netlink_rcv_skb+0x130/0x360 [ 392.247899][ T73] netlink_unicast+0x449/0x710 [ 392.247899][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.247899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.247899][ T73] ___sys_sendmsg+0xee/0x170 [ 392.247899][ T73] __sys_sendmsg+0xcd/0x170 [ 392.247899][ T73] do_syscall_64+0xc6/0x1e0 [ 392.247899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.247899][ T73] [ 392.250135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.250135][ T73] netdev_get_by_index+0x5e/0x80 [ 392.250135][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.250135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.250135][ T73] ip6_route_add+0x1c/0x140 [ 392.250135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 392.250135][ T73] addrconf_add_dev+0xe2/0x170 [ 392.250135][ T73] inet6_addr_add+0x12f/0xa40 [ 392.250135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.250135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.250135][ T73] netlink_rcv_skb+0x130/0x360 [ 392.250135][ T73] netlink_unicast+0x449/0x710 [ 392.250135][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.250135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.250135][ T73] ___sys_sendmsg+0xee/0x170 [ 392.250135][ T73] __sys_sendmsg+0xcd/0x170 [ 392.250135][ T73] do_syscall_64+0xc6/0x1e0 [ 392.250135][ T73] [ 392.252325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.252325][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 392.252325][ T73] ipv6_find_idev+0x102/0x170 [ 392.252325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.252325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.252325][ T73] netlink_rcv_skb+0x130/0x360 [ 392.252325][ T73] netlink_unicast+0x449/0x710 [ 392.252325][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.252325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.252325][ T73] ___sys_sendmsg+0xee/0x170 [ 392.252325][ T73] __sys_sendmsg+0xcd/0x170 [ 392.252325][ T73] do_syscall_64+0xc6/0x1e0 [ 392.252325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.252325][ T73] [ 392.254034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 392.254034][ T73] neigh_parms_alloc+0x1e5/0x510 [ 392.254034][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 392.254034][ T73] ipv6_find_idev+0x102/0x170 [ 392.254034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.254034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.254034][ T73] netlink_rcv_skb+0x130/0x360 [ 392.254034][ T73] netlink_unicast+0x449/0x710 [ 392.254034][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.254034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.254034][ T73] ___sys_sendmsg+0xee/0x170 [ 392.254034][ T73] __sys_sendmsg+0xcd/0x170 [ 392.254034][ T73] do_syscall_64+0xc6/0x1e0 [ 392.254034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.254034][ T73] [ 392.255974][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 392.256252][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 392.256252][ T73] netdev_get_by_index+0x5e/0x80 [ 392.256252][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.256252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.256252][ T73] addrconf_f6i_alloc+0x265/0x560 [ 392.256252][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 392.256252][ T73] addrconf_join_anycast+0x1c0/0x220 [ 392.256252][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 392.256252][ T73] addrconf_dad_completed+0x12b/0xe20 [ 392.256252][ T73] addrconf_dad_begin+0x310/0x670 [ 392.256252][ T73] addrconf_dad_work+0x10b/0xab0 [ 392.256252][ T73] process_one_work+0x84d/0x18a0 [ 392.256252][ T73] worker_thread+0x587/0xd30 [ 392.256252][ T73] kthread+0x28a/0x350 [ 392.256252][ T73] ret_from_fork+0x31/0x70 [ 392.256252][ T73] ret_from_fork_asm+0x1a/0x30 [ 392.256252][ T73] [ 392.258393][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 392.258393][ T73] netdev_get_by_index+0x5e/0x80 [ 392.258393][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.258393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.258393][ T73] ip6_route_add+0x1c/0x140 [ 392.258393][ T73] addrconf_prefix_route+0x2a6/0x430 [ 392.258393][ T73] inet6_addr_add+0x4f8/0xa40 [ 392.258393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.258393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.258393][ T73] netlink_rcv_skb+0x130/0x360 [ 392.258393][ T73] netlink_unicast+0x449/0x710 [ 392.258393][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.258393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.258393][ T73] ___sys_sendmsg+0xee/0x170 [ 392.258393][ T73] __sys_sendmsg+0xcd/0x170 [ 392.258393][ T73] do_syscall_64+0xc6/0x1e0 [ 392.258393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.258393][ T73] [ 392.260629][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 392.260629][ T73] netdev_get_by_index+0x5e/0x80 [ 392.260629][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.260629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.260629][ T73] addrconf_f6i_alloc+0x315/0x560 [ 392.260629][ T73] ipv6_add_addr+0x411/0x2000 [ 392.260629][ T73] inet6_addr_add+0x30e/0xa40 [ 392.260629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.260629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.260629][ T73] netlink_rcv_skb+0x130/0x360 [ 392.260629][ T73] netlink_unicast+0x449/0x710 [ 392.260629][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.260629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.260629][ T73] ___sys_sendmsg+0xee/0x170 [ 392.260629][ T73] __sys_sendmsg+0xcd/0x170 [ 392.260629][ T73] do_syscall_64+0xc6/0x1e0 [ 392.260629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.260629][ T73] [ 392.262848][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 392.262848][ T73] netdev_get_by_index+0x5e/0x80 [ 392.262848][ T73] fib6_nh_init+0x3d8/0x1580 [ 392.262848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 392.262848][ T73] ip6_route_add+0x1c/0x140 [ 392.262848][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 392.262848][ T73] addrconf_add_dev+0xe2/0x170 [ 392.262848][ T73] inet6_addr_add+0x12f/0xa40 [ 392.262848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 392.262848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.262848][ T73] netlink_rcv_skb+0x130/0x360 [ 392.262848][ T73] netlink_unicast+0x449/0x710 [ 392.262848][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.262848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.262848][ T73] ___sys_sendmsg+0xee/0x170 [ 392.262848][ T73] __sys_sendmsg+0xcd/0x170 [ 392.262848][ T73] do_syscall_64+0xc6/0x1e0 [ 392.262848][ T73] [ 392.265039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 392.265039][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 392.265039][ T73] ipv6_find_idev+0x102/0x170 [ 392.265039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.265039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.265039][ T73] netlink_rcv_skb+0x130/0x360 [ 392.265039][ T73] netlink_unicast+0x449/0x710 [ 392.265039][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.265039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.265039][ T73] ___sys_sendmsg+0xee/0x170 [ 392.265039][ T73] __sys_sendmsg+0xcd/0x170 [ 392.265039][ T73] do_syscall_64+0xc6/0x1e0 [ 392.265039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.265039][ T73] [ 392.266745][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 392.266745][ T73] neigh_parms_alloc+0x1e5/0x510 [ 392.266745][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 392.266745][ T73] ipv6_find_idev+0x102/0x170 [ 392.266745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.266745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.266745][ T73] netlink_rcv_skb+0x130/0x360 [ 392.266745][ T73] netlink_unicast+0x449/0x710 [ 392.266745][ T73] netlink_sendmsg+0x723/0xbe0 [ 392.266745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 392.266745][ T73] ___sys_sendmsg+0xee/0x170 [ 392.266745][ T73] __sys_sendmsg+0xcd/0x170 [ 392.266745][ T73] do_syscall_64+0xc6/0x1e0 [ 392.266745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.266745][ T73] [ 402.511044][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 402.511562][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.511562][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 402.511562][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 402.511562][ T73] fib6_nh_init+0xa22/0x1580 [ 402.511562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.511562][ T73] ip6_route_add+0x1c/0x140 [ 402.511562][ T73] inet6_rtm_newroute+0x104/0x110 [ 402.511562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.511562][ T73] netlink_rcv_skb+0x130/0x360 [ 402.511562][ T73] netlink_unicast+0x449/0x710 [ 402.511562][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.511562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.511562][ T73] ___sys_sendmsg+0xee/0x170 [ 402.511562][ T73] __sys_sendmsg+0xcd/0x170 [ 402.511562][ T73] do_syscall_64+0xc6/0x1e0 [ 402.511562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.511562][ T73] [ 402.513488][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.513488][ T73] dst_init+0x84/0x4a0 [ 402.513488][ T73] dst_alloc+0x97/0x150 [ 402.513488][ T73] ip6_dst_alloc+0x23/0x90 [ 402.513488][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 402.513488][ T73] ip6_pol_route+0x56f/0x840 [ 402.513488][ T73] fib6_rule_lookup+0x456/0x630 [ 402.513488][ T73] ip6_route_input+0x59c/0xa50 [ 402.513488][ T73] ipv6_rcv+0x397/0x810 [ 402.513488][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 402.513488][ T73] process_backlog+0x101/0x620 [ 402.513488][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 402.513488][ T73] net_rx_action+0x495/0xbe0 [ 402.513488][ T73] __do_softirq+0x1b5/0x7f6 [ 402.513488][ T73] [ 402.515150][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.515150][ T73] netdev_get_by_index+0x5e/0x80 [ 402.515150][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.515150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.515150][ T73] ip6_route_add+0x1c/0x140 [ 402.515150][ T73] addrconf_prefix_route+0x2a6/0x430 [ 402.515150][ T73] inet6_addr_add+0x4f8/0xa40 [ 402.515150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.515150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.515150][ T73] netlink_rcv_skb+0x130/0x360 [ 402.515150][ T73] netlink_unicast+0x449/0x710 [ 402.515150][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.515150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.515150][ T73] ___sys_sendmsg+0xee/0x170 [ 402.515150][ T73] __sys_sendmsg+0xcd/0x170 [ 402.515150][ T73] do_syscall_64+0xc6/0x1e0 [ 402.515150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.515150][ T73] [ 402.517199][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.517199][ T73] netdev_get_by_index+0x5e/0x80 [ 402.517199][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.517199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.517199][ T73] addrconf_f6i_alloc+0x315/0x560 [ 402.517199][ T73] ipv6_add_addr+0x411/0x2000 [ 402.517199][ T73] inet6_addr_add+0x30e/0xa40 [ 402.517199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.517199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.517199][ T73] netlink_rcv_skb+0x130/0x360 [ 402.517199][ T73] netlink_unicast+0x449/0x710 [ 402.517199][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.517199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.517199][ T73] ___sys_sendmsg+0xee/0x170 [ 402.517199][ T73] __sys_sendmsg+0xcd/0x170 [ 402.517199][ T73] do_syscall_64+0xc6/0x1e0 [ 402.517199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.517199][ T73] [ 402.519238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.519238][ T73] netdev_get_by_index+0x5e/0x80 [ 402.519238][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.519238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.519238][ T73] ip6_route_add+0x1c/0x140 [ 402.519238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 402.519238][ T73] addrconf_add_dev+0xe2/0x170 [ 402.519238][ T73] inet6_addr_add+0x12f/0xa40 [ 402.519238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.519238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.519238][ T73] netlink_rcv_skb+0x130/0x360 [ 402.519238][ T73] netlink_unicast+0x449/0x710 [ 402.519238][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.519238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.519238][ T73] ___sys_sendmsg+0xee/0x170 [ 402.519238][ T73] __sys_sendmsg+0xcd/0x170 [ 402.519238][ T73] do_syscall_64+0xc6/0x1e0 [ 402.519238][ T73] [ 402.521226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.521226][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 402.521226][ T73] ipv6_find_idev+0x102/0x170 [ 402.521226][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.521226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.521226][ T73] netlink_rcv_skb+0x130/0x360 [ 402.521226][ T73] netlink_unicast+0x449/0x710 [ 402.521226][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.521226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.521226][ T73] ___sys_sendmsg+0xee/0x170 [ 402.521226][ T73] __sys_sendmsg+0xcd/0x170 [ 402.521226][ T73] do_syscall_64+0xc6/0x1e0 [ 402.521226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.521226][ T73] [ 402.522777][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 402.522777][ T73] neigh_parms_alloc+0x1e5/0x510 [ 402.522777][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 402.522777][ T73] ipv6_find_idev+0x102/0x170 [ 402.522777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.522777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.522777][ T73] netlink_rcv_skb+0x130/0x360 [ 402.522777][ T73] netlink_unicast+0x449/0x710 [ 402.522777][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.522777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.522777][ T73] ___sys_sendmsg+0xee/0x170 [ 402.522777][ T73] __sys_sendmsg+0xcd/0x170 [ 402.522777][ T73] do_syscall_64+0xc6/0x1e0 [ 402.522777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.522777][ T73] [ 402.524550][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 402.524856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.524856][ T73] dst_init+0x84/0x4a0 [ 402.524856][ T73] dst_alloc+0x97/0x150 [ 402.524856][ T73] ip6_dst_alloc+0x23/0x90 [ 402.524856][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 402.524856][ T73] ip6_pol_route+0x56f/0x840 [ 402.524856][ T73] fib6_rule_lookup+0x456/0x630 [ 402.524856][ T73] ip6_route_input+0x59c/0xa50 [ 402.524856][ T73] ipv6_rcv+0x397/0x810 [ 402.524856][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 402.524856][ T73] process_backlog+0x101/0x620 [ 402.524856][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 402.524856][ T73] net_rx_action+0x495/0xbe0 [ 402.524856][ T73] __do_softirq+0x1b5/0x7f6 [ 402.524856][ T73] [ 402.526517][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.526517][ T73] netdev_get_by_index+0x5e/0x80 [ 402.526517][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.526517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.526517][ T73] addrconf_f6i_alloc+0x265/0x560 [ 402.526517][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 402.526517][ T73] addrconf_join_anycast+0x1c0/0x220 [ 402.526517][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 402.526517][ T73] addrconf_dad_completed+0x12b/0xe20 [ 402.526517][ T73] addrconf_dad_begin+0x310/0x670 [ 402.526517][ T73] addrconf_dad_work+0x10b/0xab0 [ 402.526517][ T73] process_one_work+0x84d/0x18a0 [ 402.526517][ T73] worker_thread+0x587/0xd30 [ 402.526517][ T73] kthread+0x28a/0x350 [ 402.526517][ T73] ret_from_fork+0x31/0x70 [ 402.526517][ T73] ret_from_fork_asm+0x1a/0x30 [ 402.526517][ T73] [ 402.528430][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.528430][ T73] netdev_get_by_index+0x5e/0x80 [ 402.528430][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.528430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.528430][ T73] ip6_route_add+0x1c/0x140 [ 402.528430][ T73] addrconf_prefix_route+0x2a6/0x430 [ 402.528430][ T73] inet6_addr_add+0x4f8/0xa40 [ 402.528430][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.528430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.528430][ T73] netlink_rcv_skb+0x130/0x360 [ 402.528430][ T73] netlink_unicast+0x449/0x710 [ 402.528430][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.528430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.528430][ T73] ___sys_sendmsg+0xee/0x170 [ 402.528430][ T73] __sys_sendmsg+0xcd/0x170 [ 402.528430][ T73] do_syscall_64+0xc6/0x1e0 [ 402.528430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.528430][ T73] [ 402.530440][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.530440][ T73] netdev_get_by_index+0x5e/0x80 [ 402.530440][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.530440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.530440][ T73] addrconf_f6i_alloc+0x315/0x560 [ 402.530440][ T73] ipv6_add_addr+0x411/0x2000 [ 402.530440][ T73] inet6_addr_add+0x30e/0xa40 [ 402.530440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.530440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.530440][ T73] netlink_rcv_skb+0x130/0x360 [ 402.530440][ T73] netlink_unicast+0x449/0x710 [ 402.530440][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.530440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.530440][ T73] ___sys_sendmsg+0xee/0x170 [ 402.530440][ T73] __sys_sendmsg+0xcd/0x170 [ 402.530440][ T73] do_syscall_64+0xc6/0x1e0 [ 402.530440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.530440][ T73] [ 402.532451][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.532451][ T73] netdev_get_by_index+0x5e/0x80 [ 402.532451][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.532451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.532451][ T73] ip6_route_add+0x1c/0x140 [ 402.532451][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 402.532451][ T73] addrconf_add_dev+0xe2/0x170 [ 402.532451][ T73] inet6_addr_add+0x12f/0xa40 [ 402.532451][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.532451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.532451][ T73] netlink_rcv_skb+0x130/0x360 [ 402.532451][ T73] netlink_unicast+0x449/0x710 [ 402.532451][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.532451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.532451][ T73] ___sys_sendmsg+0xee/0x170 [ 402.532451][ T73] __sys_sendmsg+0xcd/0x170 [ 402.532451][ T73] do_syscall_64+0xc6/0x1e0 [ 402.532451][ T73] [ 402.534413][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.534413][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 402.534413][ T73] ipv6_find_idev+0x102/0x170 [ 402.534413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.534413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.534413][ T73] netlink_rcv_skb+0x130/0x360 [ 402.534413][ T73] netlink_unicast+0x449/0x710 [ 402.534413][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.534413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.534413][ T73] ___sys_sendmsg+0xee/0x170 [ 402.534413][ T73] __sys_sendmsg+0xcd/0x170 [ 402.534413][ T73] do_syscall_64+0xc6/0x1e0 [ 402.534413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.534413][ T73] [ 402.535961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 402.535961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 402.535961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 402.535961][ T73] ipv6_find_idev+0x102/0x170 [ 402.535961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.535961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.535961][ T73] netlink_rcv_skb+0x130/0x360 [ 402.535961][ T73] netlink_unicast+0x449/0x710 [ 402.535961][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.535961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.535961][ T73] ___sys_sendmsg+0xee/0x170 [ 402.535961][ T73] __sys_sendmsg+0xcd/0x170 [ 402.535961][ T73] do_syscall_64+0xc6/0x1e0 [ 402.535961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.535961][ T73] [ 402.537818][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 402.538096][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.538096][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 402.538096][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 402.538096][ T73] fib6_nh_init+0xa22/0x1580 [ 402.538096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.538096][ T73] ip6_route_add+0x1c/0x140 [ 402.538096][ T73] inet6_rtm_newroute+0x104/0x110 [ 402.538096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.538096][ T73] netlink_rcv_skb+0x130/0x360 [ 402.538096][ T73] netlink_unicast+0x449/0x710 [ 402.538096][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.538096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.538096][ T73] ___sys_sendmsg+0xee/0x170 [ 402.538096][ T73] __sys_sendmsg+0xcd/0x170 [ 402.538096][ T73] do_syscall_64+0xc6/0x1e0 [ 402.538096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.538096][ T73] [ 402.540307][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.540307][ T73] dst_init+0x84/0x4a0 [ 402.540307][ T73] dst_alloc+0x97/0x150 [ 402.540307][ T73] ip6_dst_alloc+0x23/0x90 [ 402.540307][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 402.540307][ T73] ip6_pol_route+0x56f/0x840 [ 402.540307][ T73] fib6_rule_lookup+0x456/0x630 [ 402.540307][ T73] ip6_route_input+0x59c/0xa50 [ 402.540307][ T73] ipv6_rcv+0x397/0x810 [ 402.540307][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 402.540307][ T73] process_backlog+0x101/0x620 [ 402.540307][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 402.540307][ T73] net_rx_action+0x495/0xbe0 [ 402.540307][ T73] __do_softirq+0x1b5/0x7f6 [ 402.540307][ T73] [ 402.542130][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.542130][ T73] netdev_get_by_index+0x5e/0x80 [ 402.542130][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.542130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.542130][ T73] ip6_route_add+0x1c/0x140 [ 402.542130][ T73] addrconf_prefix_route+0x2a6/0x430 [ 402.542130][ T73] inet6_addr_add+0x4f8/0xa40 [ 402.542130][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.542130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.542130][ T73] netlink_rcv_skb+0x130/0x360 [ 402.542130][ T73] netlink_unicast+0x449/0x710 [ 402.542130][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.542130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.542130][ T73] ___sys_sendmsg+0xee/0x170 [ 402.542130][ T73] __sys_sendmsg+0xcd/0x170 [ 402.542130][ T73] do_syscall_64+0xc6/0x1e0 [ 402.542130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.542130][ T73] [ 402.544373][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.544373][ T73] netdev_get_by_index+0x5e/0x80 [ 402.544373][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.544373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.544373][ T73] addrconf_f6i_alloc+0x315/0x560 [ 402.544373][ T73] ipv6_add_addr+0x411/0x2000 [ 402.544373][ T73] inet6_addr_add+0x30e/0xa40 [ 402.544373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.544373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.544373][ T73] netlink_rcv_skb+0x130/0x360 [ 402.544373][ T73] netlink_unicast+0x449/0x710 [ 402.544373][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.544373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.544373][ T73] ___sys_sendmsg+0xee/0x170 [ 402.544373][ T73] __sys_sendmsg+0xcd/0x170 [ 402.544373][ T73] do_syscall_64+0xc6/0x1e0 [ 402.544373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.544373][ T73] [ 402.546633][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.546633][ T73] netdev_get_by_index+0x5e/0x80 [ 402.546633][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.546633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.546633][ T73] ip6_route_add+0x1c/0x140 [ 402.546633][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 402.546633][ T73] addrconf_add_dev+0xe2/0x170 [ 402.546633][ T73] inet6_addr_add+0x12f/0xa40 [ 402.546633][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.546633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.546633][ T73] netlink_rcv_skb+0x130/0x360 [ 402.546633][ T73] netlink_unicast+0x449/0x710 [ 402.546633][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.546633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.546633][ T73] ___sys_sendmsg+0xee/0x170 [ 402.546633][ T73] __sys_sendmsg+0xcd/0x170 [ 402.546633][ T73] do_syscall_64+0xc6/0x1e0 [ 402.546633][ T73] [ 402.548919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.548919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 402.548919][ T73] ipv6_find_idev+0x102/0x170 [ 402.548919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.548919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.548919][ T73] netlink_rcv_skb+0x130/0x360 [ 402.548919][ T73] netlink_unicast+0x449/0x710 [ 402.548919][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.548919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.548919][ T73] ___sys_sendmsg+0xee/0x170 [ 402.548919][ T73] __sys_sendmsg+0xcd/0x170 [ 402.548919][ T73] do_syscall_64+0xc6/0x1e0 [ 402.548919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.548919][ T73] [ 402.550574][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 402.550574][ T73] neigh_parms_alloc+0x1e5/0x510 [ 402.550574][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 402.550574][ T73] ipv6_find_idev+0x102/0x170 [ 402.550574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.550574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.550574][ T73] netlink_rcv_skb+0x130/0x360 [ 402.550574][ T73] netlink_unicast+0x449/0x710 [ 402.550574][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.550574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.550574][ T73] ___sys_sendmsg+0xee/0x170 [ 402.550574][ T73] __sys_sendmsg+0xcd/0x170 [ 402.550574][ T73] do_syscall_64+0xc6/0x1e0 [ 402.550574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.550574][ T73] [ 402.552549][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 402.552837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 402.552837][ T73] netdev_get_by_index+0x5e/0x80 [ 402.552837][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.552837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.552837][ T73] addrconf_f6i_alloc+0x265/0x560 [ 402.552837][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 402.552837][ T73] addrconf_join_anycast+0x1c0/0x220 [ 402.552837][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 402.552837][ T73] addrconf_dad_completed+0x12b/0xe20 [ 402.552837][ T73] addrconf_dad_begin+0x310/0x670 [ 402.552837][ T73] addrconf_dad_work+0x10b/0xab0 [ 402.552837][ T73] process_one_work+0x84d/0x18a0 [ 402.552837][ T73] worker_thread+0x587/0xd30 [ 402.552837][ T73] kthread+0x28a/0x350 [ 402.552837][ T73] ret_from_fork+0x31/0x70 [ 402.552837][ T73] ret_from_fork_asm+0x1a/0x30 [ 402.552837][ T73] [ 402.554995][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 402.554995][ T73] netdev_get_by_index+0x5e/0x80 [ 402.554995][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.554995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.554995][ T73] ip6_route_add+0x1c/0x140 [ 402.554995][ T73] addrconf_prefix_route+0x2a6/0x430 [ 402.554995][ T73] inet6_addr_add+0x4f8/0xa40 [ 402.554995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.554995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.554995][ T73] netlink_rcv_skb+0x130/0x360 [ 402.554995][ T73] netlink_unicast+0x449/0x710 [ 402.554995][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.554995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.554995][ T73] ___sys_sendmsg+0xee/0x170 [ 402.554995][ T73] __sys_sendmsg+0xcd/0x170 [ 402.554995][ T73] do_syscall_64+0xc6/0x1e0 [ 402.554995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.554995][ T73] [ 402.557237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 402.557237][ T73] netdev_get_by_index+0x5e/0x80 [ 402.557237][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.557237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.557237][ T73] addrconf_f6i_alloc+0x315/0x560 [ 402.557237][ T73] ipv6_add_addr+0x411/0x2000 [ 402.557237][ T73] inet6_addr_add+0x30e/0xa40 [ 402.557237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.557237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.557237][ T73] netlink_rcv_skb+0x130/0x360 [ 402.557237][ T73] netlink_unicast+0x449/0x710 [ 402.557237][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.557237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.557237][ T73] ___sys_sendmsg+0xee/0x170 [ 402.557237][ T73] __sys_sendmsg+0xcd/0x170 [ 402.557237][ T73] do_syscall_64+0xc6/0x1e0 [ 402.557237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.557237][ T73] [ 402.559481][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 402.559481][ T73] netdev_get_by_index+0x5e/0x80 [ 402.559481][ T73] fib6_nh_init+0x3d8/0x1580 [ 402.559481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 402.559481][ T73] ip6_route_add+0x1c/0x140 [ 402.559481][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 402.559481][ T73] addrconf_add_dev+0xe2/0x170 [ 402.559481][ T73] inet6_addr_add+0x12f/0xa40 [ 402.559481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 402.559481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.559481][ T73] netlink_rcv_skb+0x130/0x360 [ 402.559481][ T73] netlink_unicast+0x449/0x710 [ 402.559481][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.559481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.559481][ T73] ___sys_sendmsg+0xee/0x170 [ 402.559481][ T73] __sys_sendmsg+0xcd/0x170 [ 402.559481][ T73] do_syscall_64+0xc6/0x1e0 [ 402.559481][ T73] [ 402.561688][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 402.561688][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 402.561688][ T73] ipv6_find_idev+0x102/0x170 [ 402.561688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.561688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.561688][ T73] netlink_rcv_skb+0x130/0x360 [ 402.561688][ T73] netlink_unicast+0x449/0x710 [ 402.561688][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.561688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.561688][ T73] ___sys_sendmsg+0xee/0x170 [ 402.561688][ T73] __sys_sendmsg+0xcd/0x170 [ 402.561688][ T73] do_syscall_64+0xc6/0x1e0 [ 402.561688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.561688][ T73] [ 402.563401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 402.563401][ T73] neigh_parms_alloc+0x1e5/0x510 [ 402.563401][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 402.563401][ T73] ipv6_find_idev+0x102/0x170 [ 402.563401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.563401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.563401][ T73] netlink_rcv_skb+0x130/0x360 [ 402.563401][ T73] netlink_unicast+0x449/0x710 [ 402.563401][ T73] netlink_sendmsg+0x723/0xbe0 [ 402.563401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 402.563401][ T73] ___sys_sendmsg+0xee/0x170 [ 402.563401][ T73] __sys_sendmsg+0xcd/0x170 [ 402.563401][ T73] do_syscall_64+0xc6/0x1e0 [ 402.563401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.563401][ T73] [ 412.806923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 412.807378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.807378][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 412.807378][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 412.807378][ T73] fib6_nh_init+0xa22/0x1580 [ 412.807378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.807378][ T73] ip6_route_add+0x1c/0x140 [ 412.807378][ T73] inet6_rtm_newroute+0x104/0x110 [ 412.807378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.807378][ T73] netlink_rcv_skb+0x130/0x360 [ 412.807378][ T73] netlink_unicast+0x449/0x710 [ 412.807378][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.807378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.807378][ T73] ___sys_sendmsg+0xee/0x170 [ 412.807378][ T73] __sys_sendmsg+0xcd/0x170 [ 412.807378][ T73] do_syscall_64+0xc6/0x1e0 [ 412.807378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.807378][ T73] [ 412.809328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.809328][ T73] dst_init+0x84/0x4a0 [ 412.809328][ T73] dst_alloc+0x97/0x150 [ 412.809328][ T73] ip6_dst_alloc+0x23/0x90 [ 412.809328][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 412.809328][ T73] ip6_pol_route+0x56f/0x840 [ 412.809328][ T73] fib6_rule_lookup+0x456/0x630 [ 412.809328][ T73] ip6_route_input+0x59c/0xa50 [ 412.809328][ T73] ipv6_rcv+0x397/0x810 [ 412.809328][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 412.809328][ T73] process_backlog+0x101/0x620 [ 412.809328][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 412.809328][ T73] net_rx_action+0x495/0xbe0 [ 412.809328][ T73] __do_softirq+0x1b5/0x7f6 [ 412.809328][ T73] [ 412.810997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.810997][ T73] netdev_get_by_index+0x5e/0x80 [ 412.810997][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.810997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.810997][ T73] ip6_route_add+0x1c/0x140 [ 412.810997][ T73] addrconf_prefix_route+0x2a6/0x430 [ 412.810997][ T73] inet6_addr_add+0x4f8/0xa40 [ 412.810997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.810997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.810997][ T73] netlink_rcv_skb+0x130/0x360 [ 412.810997][ T73] netlink_unicast+0x449/0x710 [ 412.810997][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.810997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.810997][ T73] ___sys_sendmsg+0xee/0x170 [ 412.810997][ T73] __sys_sendmsg+0xcd/0x170 [ 412.810997][ T73] do_syscall_64+0xc6/0x1e0 [ 412.810997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.810997][ T73] [ 412.813011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.813011][ T73] netdev_get_by_index+0x5e/0x80 [ 412.813011][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.813011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.813011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 412.813011][ T73] ipv6_add_addr+0x411/0x2000 [ 412.813011][ T73] inet6_addr_add+0x30e/0xa40 [ 412.813011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.813011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.813011][ T73] netlink_rcv_skb+0x130/0x360 [ 412.813011][ T73] netlink_unicast+0x449/0x710 [ 412.813011][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.813011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.813011][ T73] ___sys_sendmsg+0xee/0x170 [ 412.813011][ T73] __sys_sendmsg+0xcd/0x170 [ 412.813011][ T73] do_syscall_64+0xc6/0x1e0 [ 412.813011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.813011][ T73] [ 412.815058][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.815058][ T73] netdev_get_by_index+0x5e/0x80 [ 412.815058][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.815058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.815058][ T73] ip6_route_add+0x1c/0x140 [ 412.815058][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 412.815058][ T73] addrconf_add_dev+0xe2/0x170 [ 412.815058][ T73] inet6_addr_add+0x12f/0xa40 [ 412.815058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.815058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.815058][ T73] netlink_rcv_skb+0x130/0x360 [ 412.815058][ T73] netlink_unicast+0x449/0x710 [ 412.815058][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.815058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.815058][ T73] ___sys_sendmsg+0xee/0x170 [ 412.815058][ T73] __sys_sendmsg+0xcd/0x170 [ 412.815058][ T73] do_syscall_64+0xc6/0x1e0 [ 412.815058][ T73] [ 412.817074][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.817074][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 412.817074][ T73] ipv6_find_idev+0x102/0x170 [ 412.817074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.817074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.817074][ T73] netlink_rcv_skb+0x130/0x360 [ 412.817074][ T73] netlink_unicast+0x449/0x710 [ 412.817074][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.817074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.817074][ T73] ___sys_sendmsg+0xee/0x170 [ 412.817074][ T73] __sys_sendmsg+0xcd/0x170 [ 412.817074][ T73] do_syscall_64+0xc6/0x1e0 [ 412.817074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.817074][ T73] [ 412.818627][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 412.818627][ T73] neigh_parms_alloc+0x1e5/0x510 [ 412.818627][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 412.818627][ T73] ipv6_find_idev+0x102/0x170 [ 412.818627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.818627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.818627][ T73] netlink_rcv_skb+0x130/0x360 [ 412.818627][ T73] netlink_unicast+0x449/0x710 [ 412.818627][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.818627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.818627][ T73] ___sys_sendmsg+0xee/0x170 [ 412.818627][ T73] __sys_sendmsg+0xcd/0x170 [ 412.818627][ T73] do_syscall_64+0xc6/0x1e0 [ 412.818627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.818627][ T73] [ 412.820358][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 412.820653][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.820653][ T73] dst_init+0x84/0x4a0 [ 412.820653][ T73] dst_alloc+0x97/0x150 [ 412.820653][ T73] ip6_dst_alloc+0x23/0x90 [ 412.820653][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 412.820653][ T73] ip6_pol_route+0x56f/0x840 [ 412.820653][ T73] fib6_rule_lookup+0x456/0x630 [ 412.820653][ T73] ip6_route_input+0x59c/0xa50 [ 412.820653][ T73] ipv6_rcv+0x397/0x810 [ 412.820653][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 412.820653][ T73] process_backlog+0x101/0x620 [ 412.820653][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 412.820653][ T73] net_rx_action+0x495/0xbe0 [ 412.820653][ T73] __do_softirq+0x1b5/0x7f6 [ 412.820653][ T73] [ 412.822317][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.822317][ T73] netdev_get_by_index+0x5e/0x80 [ 412.822317][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.822317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.822317][ T73] addrconf_f6i_alloc+0x265/0x560 [ 412.822317][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 412.822317][ T73] addrconf_join_anycast+0x1c0/0x220 [ 412.822317][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 412.822317][ T73] addrconf_dad_completed+0x12b/0xe20 [ 412.822317][ T73] addrconf_dad_begin+0x310/0x670 [ 412.822317][ T73] addrconf_dad_work+0x10b/0xab0 [ 412.822317][ T73] process_one_work+0x84d/0x18a0 [ 412.822317][ T73] worker_thread+0x587/0xd30 [ 412.822317][ T73] kthread+0x28a/0x350 [ 412.822317][ T73] ret_from_fork+0x31/0x70 [ 412.822317][ T73] ret_from_fork_asm+0x1a/0x30 [ 412.822317][ T73] [ 412.824301][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.824301][ T73] netdev_get_by_index+0x5e/0x80 [ 412.824301][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.824301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.824301][ T73] ip6_route_add+0x1c/0x140 [ 412.824301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 412.824301][ T73] inet6_addr_add+0x4f8/0xa40 [ 412.824301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.824301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.824301][ T73] netlink_rcv_skb+0x130/0x360 [ 412.824301][ T73] netlink_unicast+0x449/0x710 [ 412.824301][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.824301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.824301][ T73] ___sys_sendmsg+0xee/0x170 [ 412.824301][ T73] __sys_sendmsg+0xcd/0x170 [ 412.824301][ T73] do_syscall_64+0xc6/0x1e0 [ 412.824301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.824301][ T73] [ 412.826315][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.826315][ T73] netdev_get_by_index+0x5e/0x80 [ 412.826315][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.826315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.826315][ T73] addrconf_f6i_alloc+0x315/0x560 [ 412.826315][ T73] ipv6_add_addr+0x411/0x2000 [ 412.826315][ T73] inet6_addr_add+0x30e/0xa40 [ 412.826315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.826315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.826315][ T73] netlink_rcv_skb+0x130/0x360 [ 412.826315][ T73] netlink_unicast+0x449/0x710 [ 412.826315][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.826315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.826315][ T73] ___sys_sendmsg+0xee/0x170 [ 412.826315][ T73] __sys_sendmsg+0xcd/0x170 [ 412.826315][ T73] do_syscall_64+0xc6/0x1e0 [ 412.826315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.826315][ T73] [ 412.828336][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.828336][ T73] netdev_get_by_index+0x5e/0x80 [ 412.828336][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.828336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.828336][ T73] ip6_route_add+0x1c/0x140 [ 412.828336][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 412.828336][ T73] addrconf_add_dev+0xe2/0x170 [ 412.828336][ T73] inet6_addr_add+0x12f/0xa40 [ 412.828336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.828336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.828336][ T73] netlink_rcv_skb+0x130/0x360 [ 412.828336][ T73] netlink_unicast+0x449/0x710 [ 412.828336][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.828336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.828336][ T73] ___sys_sendmsg+0xee/0x170 [ 412.828336][ T73] __sys_sendmsg+0xcd/0x170 [ 412.828336][ T73] do_syscall_64+0xc6/0x1e0 [ 412.828336][ T73] [ 412.830315][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.830315][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 412.830315][ T73] ipv6_find_idev+0x102/0x170 [ 412.830315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.830315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.830315][ T73] netlink_rcv_skb+0x130/0x360 [ 412.830315][ T73] netlink_unicast+0x449/0x710 [ 412.830315][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.830315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.830315][ T73] ___sys_sendmsg+0xee/0x170 [ 412.830315][ T73] __sys_sendmsg+0xcd/0x170 [ 412.830315][ T73] do_syscall_64+0xc6/0x1e0 [ 412.830315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.830315][ T73] [ 412.831866][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 412.831866][ T73] neigh_parms_alloc+0x1e5/0x510 [ 412.831866][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 412.831866][ T73] ipv6_find_idev+0x102/0x170 [ 412.831866][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.831866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.831866][ T73] netlink_rcv_skb+0x130/0x360 [ 412.831866][ T73] netlink_unicast+0x449/0x710 [ 412.831866][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.831866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.831866][ T73] ___sys_sendmsg+0xee/0x170 [ 412.831866][ T73] __sys_sendmsg+0xcd/0x170 [ 412.831866][ T73] do_syscall_64+0xc6/0x1e0 [ 412.831866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.831866][ T73] [ 412.833739][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 412.834026][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.834026][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 412.834026][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 412.834026][ T73] fib6_nh_init+0xa22/0x1580 [ 412.834026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.834026][ T73] ip6_route_add+0x1c/0x140 [ 412.834026][ T73] inet6_rtm_newroute+0x104/0x110 [ 412.834026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.834026][ T73] netlink_rcv_skb+0x130/0x360 [ 412.834026][ T73] netlink_unicast+0x449/0x710 [ 412.834026][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.834026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.834026][ T73] ___sys_sendmsg+0xee/0x170 [ 412.834026][ T73] __sys_sendmsg+0xcd/0x170 [ 412.834026][ T73] do_syscall_64+0xc6/0x1e0 [ 412.834026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.834026][ T73] [ 412.836153][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.836153][ T73] dst_init+0x84/0x4a0 [ 412.836153][ T73] dst_alloc+0x97/0x150 [ 412.836153][ T73] ip6_dst_alloc+0x23/0x90 [ 412.836153][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 412.836153][ T73] ip6_pol_route+0x56f/0x840 [ 412.836153][ T73] fib6_rule_lookup+0x456/0x630 [ 412.836153][ T73] ip6_route_input+0x59c/0xa50 [ 412.836153][ T73] ipv6_rcv+0x397/0x810 [ 412.836153][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 412.836153][ T73] process_backlog+0x101/0x620 [ 412.836153][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 412.836153][ T73] net_rx_action+0x495/0xbe0 [ 412.836153][ T73] __do_softirq+0x1b5/0x7f6 [ 412.836153][ T73] [ 412.837975][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.837975][ T73] netdev_get_by_index+0x5e/0x80 [ 412.837975][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.837975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.837975][ T73] ip6_route_add+0x1c/0x140 [ 412.837975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 412.837975][ T73] inet6_addr_add+0x4f8/0xa40 [ 412.837975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.837975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.837975][ T73] netlink_rcv_skb+0x130/0x360 [ 412.837975][ T73] netlink_unicast+0x449/0x710 [ 412.837975][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.837975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.837975][ T73] ___sys_sendmsg+0xee/0x170 [ 412.837975][ T73] __sys_sendmsg+0xcd/0x170 [ 412.837975][ T73] do_syscall_64+0xc6/0x1e0 [ 412.837975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.837975][ T73] [ 412.840234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.840234][ T73] netdev_get_by_index+0x5e/0x80 [ 412.840234][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.840234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.840234][ T73] addrconf_f6i_alloc+0x315/0x560 [ 412.840234][ T73] ipv6_add_addr+0x411/0x2000 [ 412.840234][ T73] inet6_addr_add+0x30e/0xa40 [ 412.840234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.840234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.840234][ T73] netlink_rcv_skb+0x130/0x360 [ 412.840234][ T73] netlink_unicast+0x449/0x710 [ 412.840234][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.840234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.840234][ T73] ___sys_sendmsg+0xee/0x170 [ 412.840234][ T73] __sys_sendmsg+0xcd/0x170 [ 412.840234][ T73] do_syscall_64+0xc6/0x1e0 [ 412.840234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.840234][ T73] [ 412.842485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.842485][ T73] netdev_get_by_index+0x5e/0x80 [ 412.842485][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.842485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.842485][ T73] ip6_route_add+0x1c/0x140 [ 412.842485][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 412.842485][ T73] addrconf_add_dev+0xe2/0x170 [ 412.842485][ T73] inet6_addr_add+0x12f/0xa40 [ 412.842485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.842485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.842485][ T73] netlink_rcv_skb+0x130/0x360 [ 412.842485][ T73] netlink_unicast+0x449/0x710 [ 412.842485][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.842485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.842485][ T73] ___sys_sendmsg+0xee/0x170 [ 412.842485][ T73] __sys_sendmsg+0xcd/0x170 [ 412.842485][ T73] do_syscall_64+0xc6/0x1e0 [ 412.842485][ T73] [ 412.844782][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.844782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 412.844782][ T73] ipv6_find_idev+0x102/0x170 [ 412.844782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.844782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.844782][ T73] netlink_rcv_skb+0x130/0x360 [ 412.844782][ T73] netlink_unicast+0x449/0x710 [ 412.844782][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.844782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.844782][ T73] ___sys_sendmsg+0xee/0x170 [ 412.844782][ T73] __sys_sendmsg+0xcd/0x170 [ 412.844782][ T73] do_syscall_64+0xc6/0x1e0 [ 412.844782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.844782][ T73] [ 412.846451][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 412.846451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 412.846451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 412.846451][ T73] ipv6_find_idev+0x102/0x170 [ 412.846451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.846451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.846451][ T73] netlink_rcv_skb+0x130/0x360 [ 412.846451][ T73] netlink_unicast+0x449/0x710 [ 412.846451][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.846451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.846451][ T73] ___sys_sendmsg+0xee/0x170 [ 412.846451][ T73] __sys_sendmsg+0xcd/0x170 [ 412.846451][ T73] do_syscall_64+0xc6/0x1e0 [ 412.846451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.846451][ T73] [ 412.848502][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 412.848795][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 412.848795][ T73] netdev_get_by_index+0x5e/0x80 [ 412.848795][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.848795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.848795][ T73] addrconf_f6i_alloc+0x265/0x560 [ 412.848795][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 412.848795][ T73] addrconf_join_anycast+0x1c0/0x220 [ 412.848795][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 412.848795][ T73] addrconf_dad_completed+0x12b/0xe20 [ 412.848795][ T73] addrconf_dad_begin+0x310/0x670 [ 412.848795][ T73] addrconf_dad_work+0x10b/0xab0 [ 412.848795][ T73] process_one_work+0x84d/0x18a0 [ 412.848795][ T73] worker_thread+0x587/0xd30 [ 412.848795][ T73] kthread+0x28a/0x350 [ 412.848795][ T73] ret_from_fork+0x31/0x70 [ 412.848795][ T73] ret_from_fork_asm+0x1a/0x30 [ 412.848795][ T73] [ 412.850949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 412.850949][ T73] netdev_get_by_index+0x5e/0x80 [ 412.850949][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.850949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.850949][ T73] ip6_route_add+0x1c/0x140 [ 412.850949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 412.850949][ T73] inet6_addr_add+0x4f8/0xa40 [ 412.850949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.850949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.850949][ T73] netlink_rcv_skb+0x130/0x360 [ 412.850949][ T73] netlink_unicast+0x449/0x710 [ 412.850949][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.850949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.850949][ T73] ___sys_sendmsg+0xee/0x170 [ 412.850949][ T73] __sys_sendmsg+0xcd/0x170 [ 412.850949][ T73] do_syscall_64+0xc6/0x1e0 [ 412.850949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.850949][ T73] [ 412.853212][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 412.853212][ T73] netdev_get_by_index+0x5e/0x80 [ 412.853212][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.853212][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.853212][ T73] addrconf_f6i_alloc+0x315/0x560 [ 412.853212][ T73] ipv6_add_addr+0x411/0x2000 [ 412.853212][ T73] inet6_addr_add+0x30e/0xa40 [ 412.853212][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.853212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.853212][ T73] netlink_rcv_skb+0x130/0x360 [ 412.853212][ T73] netlink_unicast+0x449/0x710 [ 412.853212][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.853212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.853212][ T73] ___sys_sendmsg+0xee/0x170 [ 412.853212][ T73] __sys_sendmsg+0xcd/0x170 [ 412.853212][ T73] do_syscall_64+0xc6/0x1e0 [ 412.853212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.853212][ T73] [ 412.855408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 412.855408][ T73] netdev_get_by_index+0x5e/0x80 [ 412.855408][ T73] fib6_nh_init+0x3d8/0x1580 [ 412.855408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 412.855408][ T73] ip6_route_add+0x1c/0x140 [ 412.855408][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 412.855408][ T73] addrconf_add_dev+0xe2/0x170 [ 412.855408][ T73] inet6_addr_add+0x12f/0xa40 [ 412.855408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 412.855408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.855408][ T73] netlink_rcv_skb+0x130/0x360 [ 412.855408][ T73] netlink_unicast+0x449/0x710 [ 412.855408][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.855408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.855408][ T73] ___sys_sendmsg+0xee/0x170 [ 412.855408][ T73] __sys_sendmsg+0xcd/0x170 [ 412.855408][ T73] do_syscall_64+0xc6/0x1e0 [ 412.855408][ T73] [ 412.857619][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 412.857619][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 412.857619][ T73] ipv6_find_idev+0x102/0x170 [ 412.857619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.857619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.857619][ T73] netlink_rcv_skb+0x130/0x360 [ 412.857619][ T73] netlink_unicast+0x449/0x710 [ 412.857619][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.857619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.857619][ T73] ___sys_sendmsg+0xee/0x170 [ 412.857619][ T73] __sys_sendmsg+0xcd/0x170 [ 412.857619][ T73] do_syscall_64+0xc6/0x1e0 [ 412.857619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.857619][ T73] [ 412.859425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 412.859425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 412.859425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 412.859425][ T73] ipv6_find_idev+0x102/0x170 [ 412.859425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.859425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.859425][ T73] netlink_rcv_skb+0x130/0x360 [ 412.859425][ T73] netlink_unicast+0x449/0x710 [ 412.859425][ T73] netlink_sendmsg+0x723/0xbe0 [ 412.859425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 412.859425][ T73] ___sys_sendmsg+0xee/0x170 [ 412.859425][ T73] __sys_sendmsg+0xcd/0x170 [ 412.859425][ T73] do_syscall_64+0xc6/0x1e0 [ 412.859425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.859425][ T73] [ 423.103030][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 423.103585][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.103585][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 423.103585][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 423.103585][ T73] fib6_nh_init+0xa22/0x1580 [ 423.103585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.103585][ T73] ip6_route_add+0x1c/0x140 [ 423.103585][ T73] inet6_rtm_newroute+0x104/0x110 [ 423.103585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.103585][ T73] netlink_rcv_skb+0x130/0x360 [ 423.103585][ T73] netlink_unicast+0x449/0x710 [ 423.103585][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.103585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.103585][ T73] ___sys_sendmsg+0xee/0x170 [ 423.103585][ T73] __sys_sendmsg+0xcd/0x170 [ 423.103585][ T73] do_syscall_64+0xc6/0x1e0 [ 423.103585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.103585][ T73] [ 423.105475][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.105475][ T73] dst_init+0x84/0x4a0 [ 423.105475][ T73] dst_alloc+0x97/0x150 [ 423.105475][ T73] ip6_dst_alloc+0x23/0x90 [ 423.105475][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 423.105475][ T73] ip6_pol_route+0x56f/0x840 [ 423.105475][ T73] fib6_rule_lookup+0x456/0x630 [ 423.105475][ T73] ip6_route_input+0x59c/0xa50 [ 423.105475][ T73] ipv6_rcv+0x397/0x810 [ 423.105475][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 423.105475][ T73] process_backlog+0x101/0x620 [ 423.105475][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 423.105475][ T73] net_rx_action+0x495/0xbe0 [ 423.105475][ T73] __do_softirq+0x1b5/0x7f6 [ 423.105475][ T73] [ 423.107118][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.107118][ T73] netdev_get_by_index+0x5e/0x80 [ 423.107118][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.107118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.107118][ T73] ip6_route_add+0x1c/0x140 [ 423.107118][ T73] addrconf_prefix_route+0x2a6/0x430 [ 423.107118][ T73] inet6_addr_add+0x4f8/0xa40 [ 423.107118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.107118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.107118][ T73] netlink_rcv_skb+0x130/0x360 [ 423.107118][ T73] netlink_unicast+0x449/0x710 [ 423.107118][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.107118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.107118][ T73] ___sys_sendmsg+0xee/0x170 [ 423.107118][ T73] __sys_sendmsg+0xcd/0x170 [ 423.107118][ T73] do_syscall_64+0xc6/0x1e0 [ 423.107118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.107118][ T73] [ 423.109193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.109193][ T73] netdev_get_by_index+0x5e/0x80 [ 423.109193][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.109193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.109193][ T73] addrconf_f6i_alloc+0x315/0x560 [ 423.109193][ T73] ipv6_add_addr+0x411/0x2000 [ 423.109193][ T73] inet6_addr_add+0x30e/0xa40 [ 423.109193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.109193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.109193][ T73] netlink_rcv_skb+0x130/0x360 [ 423.109193][ T73] netlink_unicast+0x449/0x710 [ 423.109193][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.109193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.109193][ T73] ___sys_sendmsg+0xee/0x170 [ 423.109193][ T73] __sys_sendmsg+0xcd/0x170 [ 423.109193][ T73] do_syscall_64+0xc6/0x1e0 [ 423.109193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.109193][ T73] [ 423.111415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.111415][ T73] netdev_get_by_index+0x5e/0x80 [ 423.111415][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.111415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.111415][ T73] ip6_route_add+0x1c/0x140 [ 423.111415][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 423.111415][ T73] addrconf_add_dev+0xe2/0x170 [ 423.111415][ T73] inet6_addr_add+0x12f/0xa40 [ 423.111415][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.111415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.111415][ T73] netlink_rcv_skb+0x130/0x360 [ 423.111415][ T73] netlink_unicast+0x449/0x710 [ 423.111415][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.111415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.111415][ T73] ___sys_sendmsg+0xee/0x170 [ 423.111415][ T73] __sys_sendmsg+0xcd/0x170 [ 423.111415][ T73] do_syscall_64+0xc6/0x1e0 [ 423.111415][ T73] [ 423.113592][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.113592][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 423.113592][ T73] ipv6_find_idev+0x102/0x170 [ 423.113592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.113592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.113592][ T73] netlink_rcv_skb+0x130/0x360 [ 423.113592][ T73] netlink_unicast+0x449/0x710 [ 423.113592][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.113592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.113592][ T73] ___sys_sendmsg+0xee/0x170 [ 423.113592][ T73] __sys_sendmsg+0xcd/0x170 [ 423.113592][ T73] do_syscall_64+0xc6/0x1e0 [ 423.113592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.113592][ T73] [ 423.115298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 423.115298][ T73] neigh_parms_alloc+0x1e5/0x510 [ 423.115298][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 423.115298][ T73] ipv6_find_idev+0x102/0x170 [ 423.115298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.115298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.115298][ T73] netlink_rcv_skb+0x130/0x360 [ 423.115298][ T73] netlink_unicast+0x449/0x710 [ 423.115298][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.115298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.115298][ T73] ___sys_sendmsg+0xee/0x170 [ 423.115298][ T73] __sys_sendmsg+0xcd/0x170 [ 423.115298][ T73] do_syscall_64+0xc6/0x1e0 [ 423.115298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.115298][ T73] [ 423.117210][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 423.117518][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.117518][ T73] dst_init+0x84/0x4a0 [ 423.117518][ T73] dst_alloc+0x97/0x150 [ 423.117518][ T73] ip6_dst_alloc+0x23/0x90 [ 423.117518][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 423.117518][ T73] ip6_pol_route+0x56f/0x840 [ 423.117518][ T73] fib6_rule_lookup+0x456/0x630 [ 423.117518][ T73] ip6_route_input+0x59c/0xa50 [ 423.117518][ T73] ipv6_rcv+0x397/0x810 [ 423.117518][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 423.117518][ T73] process_backlog+0x101/0x620 [ 423.117518][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 423.117518][ T73] net_rx_action+0x495/0xbe0 [ 423.117518][ T73] __do_softirq+0x1b5/0x7f6 [ 423.117518][ T73] [ 423.119352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.119352][ T73] netdev_get_by_index+0x5e/0x80 [ 423.119352][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.119352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.119352][ T73] addrconf_f6i_alloc+0x265/0x560 [ 423.119352][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 423.119352][ T73] addrconf_join_anycast+0x1c0/0x220 [ 423.119352][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 423.119352][ T73] addrconf_dad_completed+0x12b/0xe20 [ 423.119352][ T73] addrconf_dad_begin+0x310/0x670 [ 423.119352][ T73] addrconf_dad_work+0x10b/0xab0 [ 423.119352][ T73] process_one_work+0x84d/0x18a0 [ 423.119352][ T73] worker_thread+0x587/0xd30 [ 423.119352][ T73] kthread+0x28a/0x350 [ 423.119352][ T73] ret_from_fork+0x31/0x70 [ 423.119352][ T73] ret_from_fork_asm+0x1a/0x30 [ 423.119352][ T73] [ 423.121461][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.121461][ T73] netdev_get_by_index+0x5e/0x80 [ 423.121461][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.121461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.121461][ T73] ip6_route_add+0x1c/0x140 [ 423.121461][ T73] addrconf_prefix_route+0x2a6/0x430 [ 423.121461][ T73] inet6_addr_add+0x4f8/0xa40 [ 423.121461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.121461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.121461][ T73] netlink_rcv_skb+0x130/0x360 [ 423.121461][ T73] netlink_unicast+0x449/0x710 [ 423.121461][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.121461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.121461][ T73] ___sys_sendmsg+0xee/0x170 [ 423.121461][ T73] __sys_sendmsg+0xcd/0x170 [ 423.121461][ T73] do_syscall_64+0xc6/0x1e0 [ 423.121461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.121461][ T73] [ 423.123664][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.123664][ T73] netdev_get_by_index+0x5e/0x80 [ 423.123664][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.123664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.123664][ T73] addrconf_f6i_alloc+0x315/0x560 [ 423.123664][ T73] ipv6_add_addr+0x411/0x2000 [ 423.123664][ T73] inet6_addr_add+0x30e/0xa40 [ 423.123664][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.123664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.123664][ T73] netlink_rcv_skb+0x130/0x360 [ 423.123664][ T73] netlink_unicast+0x449/0x710 [ 423.123664][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.123664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.123664][ T73] ___sys_sendmsg+0xee/0x170 [ 423.123664][ T73] __sys_sendmsg+0xcd/0x170 [ 423.123664][ T73] do_syscall_64+0xc6/0x1e0 [ 423.123664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.123664][ T73] [ 423.125880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.125880][ T73] netdev_get_by_index+0x5e/0x80 [ 423.125880][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.125880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.125880][ T73] ip6_route_add+0x1c/0x140 [ 423.125880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 423.125880][ T73] addrconf_add_dev+0xe2/0x170 [ 423.125880][ T73] inet6_addr_add+0x12f/0xa40 [ 423.125880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.125880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.125880][ T73] netlink_rcv_skb+0x130/0x360 [ 423.125880][ T73] netlink_unicast+0x449/0x710 [ 423.125880][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.125880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.125880][ T73] ___sys_sendmsg+0xee/0x170 [ 423.125880][ T73] __sys_sendmsg+0xcd/0x170 [ 423.125880][ T73] do_syscall_64+0xc6/0x1e0 [ 423.125880][ T73] [ 423.128079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.128079][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 423.128079][ T73] ipv6_find_idev+0x102/0x170 [ 423.128079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.128079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.128079][ T73] netlink_rcv_skb+0x130/0x360 [ 423.128079][ T73] netlink_unicast+0x449/0x710 [ 423.128079][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.128079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.128079][ T73] ___sys_sendmsg+0xee/0x170 [ 423.128079][ T73] __sys_sendmsg+0xcd/0x170 [ 423.128079][ T73] do_syscall_64+0xc6/0x1e0 [ 423.128079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.128079][ T73] [ 423.129817][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 423.129817][ T73] neigh_parms_alloc+0x1e5/0x510 [ 423.129817][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 423.129817][ T73] ipv6_find_idev+0x102/0x170 [ 423.129817][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.129817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.129817][ T73] netlink_rcv_skb+0x130/0x360 [ 423.129817][ T73] netlink_unicast+0x449/0x710 [ 423.129817][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.129817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.129817][ T73] ___sys_sendmsg+0xee/0x170 [ 423.129817][ T73] __sys_sendmsg+0xcd/0x170 [ 423.129817][ T73] do_syscall_64+0xc6/0x1e0 [ 423.129817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.129817][ T73] [ 423.131844][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 423.132152][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.132152][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 423.132152][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 423.132152][ T73] fib6_nh_init+0xa22/0x1580 [ 423.132152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.132152][ T73] ip6_route_add+0x1c/0x140 [ 423.132152][ T73] inet6_rtm_newroute+0x104/0x110 [ 423.132152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.132152][ T73] netlink_rcv_skb+0x130/0x360 [ 423.132152][ T73] netlink_unicast+0x449/0x710 [ 423.132152][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.132152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.132152][ T73] ___sys_sendmsg+0xee/0x170 [ 423.132152][ T73] __sys_sendmsg+0xcd/0x170 [ 423.132152][ T73] do_syscall_64+0xc6/0x1e0 [ 423.132152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.132152][ T73] [ 423.134487][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.134487][ T73] dst_init+0x84/0x4a0 [ 423.134487][ T73] dst_alloc+0x97/0x150 [ 423.134487][ T73] ip6_dst_alloc+0x23/0x90 [ 423.134487][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 423.134487][ T73] ip6_pol_route+0x56f/0x840 [ 423.134487][ T73] fib6_rule_lookup+0x456/0x630 [ 423.134487][ T73] ip6_route_input+0x59c/0xa50 [ 423.134487][ T73] ipv6_rcv+0x397/0x810 [ 423.134487][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 423.134487][ T73] process_backlog+0x101/0x620 [ 423.134487][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 423.134487][ T73] net_rx_action+0x495/0xbe0 [ 423.134487][ T73] __do_softirq+0x1b5/0x7f6 [ 423.134487][ T73] [ 423.136504][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.136504][ T73] netdev_get_by_index+0x5e/0x80 [ 423.136504][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.136504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.136504][ T73] ip6_route_add+0x1c/0x140 [ 423.136504][ T73] addrconf_prefix_route+0x2a6/0x430 [ 423.136504][ T73] inet6_addr_add+0x4f8/0xa40 [ 423.136504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.136504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.136504][ T73] netlink_rcv_skb+0x130/0x360 [ 423.136504][ T73] netlink_unicast+0x449/0x710 [ 423.136504][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.136504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.136504][ T73] ___sys_sendmsg+0xee/0x170 [ 423.136504][ T73] __sys_sendmsg+0xcd/0x170 [ 423.136504][ T73] do_syscall_64+0xc6/0x1e0 [ 423.136504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.136504][ T73] [ 423.138985][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.138985][ T73] netdev_get_by_index+0x5e/0x80 [ 423.138985][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.138985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.138985][ T73] addrconf_f6i_alloc+0x315/0x560 [ 423.138985][ T73] ipv6_add_addr+0x411/0x2000 [ 423.138985][ T73] inet6_addr_add+0x30e/0xa40 [ 423.138985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.138985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.138985][ T73] netlink_rcv_skb+0x130/0x360 [ 423.138985][ T73] netlink_unicast+0x449/0x710 [ 423.138985][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.138985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.138985][ T73] ___sys_sendmsg+0xee/0x170 [ 423.138985][ T73] __sys_sendmsg+0xcd/0x170 [ 423.138985][ T73] do_syscall_64+0xc6/0x1e0 [ 423.138985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.138985][ T73] [ 423.141446][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.141446][ T73] netdev_get_by_index+0x5e/0x80 [ 423.141446][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.141446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.141446][ T73] ip6_route_add+0x1c/0x140 [ 423.141446][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 423.141446][ T73] addrconf_add_dev+0xe2/0x170 [ 423.141446][ T73] inet6_addr_add+0x12f/0xa40 [ 423.141446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.141446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.141446][ T73] netlink_rcv_skb+0x130/0x360 [ 423.141446][ T73] netlink_unicast+0x449/0x710 [ 423.141446][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.141446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.141446][ T73] ___sys_sendmsg+0xee/0x170 [ 423.141446][ T73] __sys_sendmsg+0xcd/0x170 [ 423.141446][ T73] do_syscall_64+0xc6/0x1e0 [ 423.141446][ T73] [ 423.143853][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.143853][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 423.143853][ T73] ipv6_find_idev+0x102/0x170 [ 423.143853][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.143853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.143853][ T73] netlink_rcv_skb+0x130/0x360 [ 423.143853][ T73] netlink_unicast+0x449/0x710 [ 423.143853][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.143853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.143853][ T73] ___sys_sendmsg+0xee/0x170 [ 423.143853][ T73] __sys_sendmsg+0xcd/0x170 [ 423.143853][ T73] do_syscall_64+0xc6/0x1e0 [ 423.143853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.143853][ T73] [ 423.145746][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 423.145746][ T73] neigh_parms_alloc+0x1e5/0x510 [ 423.145746][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 423.145746][ T73] ipv6_find_idev+0x102/0x170 [ 423.145746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.145746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.145746][ T73] netlink_rcv_skb+0x130/0x360 [ 423.145746][ T73] netlink_unicast+0x449/0x710 [ 423.145746][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.145746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.145746][ T73] ___sys_sendmsg+0xee/0x170 [ 423.145746][ T73] __sys_sendmsg+0xcd/0x170 [ 423.145746][ T73] do_syscall_64+0xc6/0x1e0 [ 423.145746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.145746][ T73] [ 423.147855][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 423.148181][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 423.148181][ T73] netdev_get_by_index+0x5e/0x80 [ 423.148181][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.148181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.148181][ T73] addrconf_f6i_alloc+0x265/0x560 [ 423.148181][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 423.148181][ T73] addrconf_join_anycast+0x1c0/0x220 [ 423.148181][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 423.148181][ T73] addrconf_dad_completed+0x12b/0xe20 [ 423.148181][ T73] addrconf_dad_begin+0x310/0x670 [ 423.148181][ T73] addrconf_dad_work+0x10b/0xab0 [ 423.148181][ T73] process_one_work+0x84d/0x18a0 [ 423.148181][ T73] worker_thread+0x587/0xd30 [ 423.148181][ T73] kthread+0x28a/0x350 [ 423.148181][ T73] ret_from_fork+0x31/0x70 [ 423.148181][ T73] ret_from_fork_asm+0x1a/0x30 [ 423.148181][ T73] [ 423.150498][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 423.150498][ T73] netdev_get_by_index+0x5e/0x80 [ 423.150498][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.150498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.150498][ T73] ip6_route_add+0x1c/0x140 [ 423.150498][ T73] addrconf_prefix_route+0x2a6/0x430 [ 423.150498][ T73] inet6_addr_add+0x4f8/0xa40 [ 423.150498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.150498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.150498][ T73] netlink_rcv_skb+0x130/0x360 [ 423.150498][ T73] netlink_unicast+0x449/0x710 [ 423.150498][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.150498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.150498][ T73] ___sys_sendmsg+0xee/0x170 [ 423.150498][ T73] __sys_sendmsg+0xcd/0x170 [ 423.150498][ T73] do_syscall_64+0xc6/0x1e0 [ 423.150498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.150498][ T73] [ 423.152962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 423.152962][ T73] netdev_get_by_index+0x5e/0x80 [ 423.152962][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.152962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.152962][ T73] addrconf_f6i_alloc+0x315/0x560 [ 423.152962][ T73] ipv6_add_addr+0x411/0x2000 [ 423.152962][ T73] inet6_addr_add+0x30e/0xa40 [ 423.152962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.152962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.152962][ T73] netlink_rcv_skb+0x130/0x360 [ 423.152962][ T73] netlink_unicast+0x449/0x710 [ 423.152962][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.152962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.152962][ T73] ___sys_sendmsg+0xee/0x170 [ 423.152962][ T73] __sys_sendmsg+0xcd/0x170 [ 423.152962][ T73] do_syscall_64+0xc6/0x1e0 [ 423.152962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.152962][ T73] [ 423.155182][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 423.155182][ T73] netdev_get_by_index+0x5e/0x80 [ 423.155182][ T73] fib6_nh_init+0x3d8/0x1580 [ 423.155182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 423.155182][ T73] ip6_route_add+0x1c/0x140 [ 423.155182][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 423.155182][ T73] addrconf_add_dev+0xe2/0x170 [ 423.155182][ T73] inet6_addr_add+0x12f/0xa40 [ 423.155182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 423.155182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.155182][ T73] netlink_rcv_skb+0x130/0x360 [ 423.155182][ T73] netlink_unicast+0x449/0x710 [ 423.155182][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.155182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.155182][ T73] ___sys_sendmsg+0xee/0x170 [ 423.155182][ T73] __sys_sendmsg+0xcd/0x170 [ 423.155182][ T73] do_syscall_64+0xc6/0x1e0 [ 423.155182][ T73] [ 423.157368][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 423.157368][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 423.157368][ T73] ipv6_find_idev+0x102/0x170 [ 423.157368][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.157368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.157368][ T73] netlink_rcv_skb+0x130/0x360 [ 423.157368][ T73] netlink_unicast+0x449/0x710 [ 423.157368][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.157368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.157368][ T73] ___sys_sendmsg+0xee/0x170 [ 423.157368][ T73] __sys_sendmsg+0xcd/0x170 [ 423.157368][ T73] do_syscall_64+0xc6/0x1e0 [ 423.157368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.157368][ T73] [ 423.159109][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 423.159109][ T73] neigh_parms_alloc+0x1e5/0x510 [ 423.159109][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 423.159109][ T73] ipv6_find_idev+0x102/0x170 [ 423.159109][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 423.159109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 423.159109][ T73] netlink_rcv_skb+0x130/0x360 [ 423.159109][ T73] netlink_unicast+0x449/0x710 [ 423.159109][ T73] netlink_sendmsg+0x723/0xbe0 [ 423.159109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 423.159109][ T73] ___sys_sendmsg+0xee/0x170 [ 423.159109][ T73] __sys_sendmsg+0xcd/0x170 [ 423.159109][ T73] do_syscall_64+0xc6/0x1e0 [ 423.159109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 423.159109][ T73] [ 433.398885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 433.399322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.399322][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 433.399322][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 433.399322][ T73] fib6_nh_init+0xa22/0x1580 [ 433.399322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.399322][ T73] ip6_route_add+0x1c/0x140 [ 433.399322][ T73] inet6_rtm_newroute+0x104/0x110 [ 433.399322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.399322][ T73] netlink_rcv_skb+0x130/0x360 [ 433.399322][ T73] netlink_unicast+0x449/0x710 [ 433.399322][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.399322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.399322][ T73] ___sys_sendmsg+0xee/0x170 [ 433.399322][ T73] __sys_sendmsg+0xcd/0x170 [ 433.399322][ T73] do_syscall_64+0xc6/0x1e0 [ 433.399322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.399322][ T73] [ 433.401238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.401238][ T73] dst_init+0x84/0x4a0 [ 433.401238][ T73] dst_alloc+0x97/0x150 [ 433.401238][ T73] ip6_dst_alloc+0x23/0x90 [ 433.401238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 433.401238][ T73] ip6_pol_route+0x56f/0x840 [ 433.401238][ T73] fib6_rule_lookup+0x456/0x630 [ 433.401238][ T73] ip6_route_input+0x59c/0xa50 [ 433.401238][ T73] ipv6_rcv+0x397/0x810 [ 433.401238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 433.401238][ T73] process_backlog+0x101/0x620 [ 433.401238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 433.401238][ T73] net_rx_action+0x495/0xbe0 [ 433.401238][ T73] __do_softirq+0x1b5/0x7f6 [ 433.401238][ T73] [ 433.402876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.402876][ T73] netdev_get_by_index+0x5e/0x80 [ 433.402876][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.402876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.402876][ T73] ip6_route_add+0x1c/0x140 [ 433.402876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 433.402876][ T73] inet6_addr_add+0x4f8/0xa40 [ 433.402876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.402876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.402876][ T73] netlink_rcv_skb+0x130/0x360 [ 433.402876][ T73] netlink_unicast+0x449/0x710 [ 433.402876][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.402876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.402876][ T73] ___sys_sendmsg+0xee/0x170 [ 433.402876][ T73] __sys_sendmsg+0xcd/0x170 [ 433.402876][ T73] do_syscall_64+0xc6/0x1e0 [ 433.402876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.402876][ T73] [ 433.404875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.404875][ T73] netdev_get_by_index+0x5e/0x80 [ 433.404875][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.404875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.404875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 433.404875][ T73] ipv6_add_addr+0x411/0x2000 [ 433.404875][ T73] inet6_addr_add+0x30e/0xa40 [ 433.404875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.404875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.404875][ T73] netlink_rcv_skb+0x130/0x360 [ 433.404875][ T73] netlink_unicast+0x449/0x710 [ 433.404875][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.404875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.404875][ T73] ___sys_sendmsg+0xee/0x170 [ 433.404875][ T73] __sys_sendmsg+0xcd/0x170 [ 433.404875][ T73] do_syscall_64+0xc6/0x1e0 [ 433.404875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.404875][ T73] [ 433.406864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.406864][ T73] netdev_get_by_index+0x5e/0x80 [ 433.406864][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.406864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.406864][ T73] ip6_route_add+0x1c/0x140 [ 433.406864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 433.406864][ T73] addrconf_add_dev+0xe2/0x170 [ 433.406864][ T73] inet6_addr_add+0x12f/0xa40 [ 433.406864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.406864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.406864][ T73] netlink_rcv_skb+0x130/0x360 [ 433.406864][ T73] netlink_unicast+0x449/0x710 [ 433.406864][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.406864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.406864][ T73] ___sys_sendmsg+0xee/0x170 [ 433.406864][ T73] __sys_sendmsg+0xcd/0x170 [ 433.406864][ T73] do_syscall_64+0xc6/0x1e0 [ 433.406864][ T73] [ 433.408831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.408831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 433.408831][ T73] ipv6_find_idev+0x102/0x170 [ 433.408831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.408831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.408831][ T73] netlink_rcv_skb+0x130/0x360 [ 433.408831][ T73] netlink_unicast+0x449/0x710 [ 433.408831][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.408831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.408831][ T73] ___sys_sendmsg+0xee/0x170 [ 433.408831][ T73] __sys_sendmsg+0xcd/0x170 [ 433.408831][ T73] do_syscall_64+0xc6/0x1e0 [ 433.408831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.408831][ T73] [ 433.410384][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 433.410384][ T73] neigh_parms_alloc+0x1e5/0x510 [ 433.410384][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 433.410384][ T73] ipv6_find_idev+0x102/0x170 [ 433.410384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.410384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.410384][ T73] netlink_rcv_skb+0x130/0x360 [ 433.410384][ T73] netlink_unicast+0x449/0x710 [ 433.410384][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.410384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.410384][ T73] ___sys_sendmsg+0xee/0x170 [ 433.410384][ T73] __sys_sendmsg+0xcd/0x170 [ 433.410384][ T73] do_syscall_64+0xc6/0x1e0 [ 433.410384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.410384][ T73] [ 433.412076][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 433.412357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.412357][ T73] dst_init+0x84/0x4a0 [ 433.412357][ T73] dst_alloc+0x97/0x150 [ 433.412357][ T73] ip6_dst_alloc+0x23/0x90 [ 433.412357][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 433.412357][ T73] ip6_pol_route+0x56f/0x840 [ 433.412357][ T73] fib6_rule_lookup+0x456/0x630 [ 433.412357][ T73] ip6_route_input+0x59c/0xa50 [ 433.412357][ T73] ipv6_rcv+0x397/0x810 [ 433.412357][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 433.412357][ T73] process_backlog+0x101/0x620 [ 433.412357][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 433.412357][ T73] net_rx_action+0x495/0xbe0 [ 433.412357][ T73] __do_softirq+0x1b5/0x7f6 [ 433.412357][ T73] [ 433.413990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.413990][ T73] netdev_get_by_index+0x5e/0x80 [ 433.413990][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.413990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.413990][ T73] addrconf_f6i_alloc+0x265/0x560 [ 433.413990][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 433.413990][ T73] addrconf_join_anycast+0x1c0/0x220 [ 433.413990][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 433.413990][ T73] addrconf_dad_completed+0x12b/0xe20 [ 433.413990][ T73] addrconf_dad_begin+0x310/0x670 [ 433.413990][ T73] addrconf_dad_work+0x10b/0xab0 [ 433.413990][ T73] process_one_work+0x84d/0x18a0 [ 433.413990][ T73] worker_thread+0x587/0xd30 [ 433.413990][ T73] kthread+0x28a/0x350 [ 433.413990][ T73] ret_from_fork+0x31/0x70 [ 433.413990][ T73] ret_from_fork_asm+0x1a/0x30 [ 433.413990][ T73] [ 433.415887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.415887][ T73] netdev_get_by_index+0x5e/0x80 [ 433.415887][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.415887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.415887][ T73] ip6_route_add+0x1c/0x140 [ 433.415887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 433.415887][ T73] inet6_addr_add+0x4f8/0xa40 [ 433.415887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.415887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.415887][ T73] netlink_rcv_skb+0x130/0x360 [ 433.415887][ T73] netlink_unicast+0x449/0x710 [ 433.415887][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.415887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.415887][ T73] ___sys_sendmsg+0xee/0x170 [ 433.415887][ T73] __sys_sendmsg+0xcd/0x170 [ 433.415887][ T73] do_syscall_64+0xc6/0x1e0 [ 433.415887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.415887][ T73] [ 433.417876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.417876][ T73] netdev_get_by_index+0x5e/0x80 [ 433.417876][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.417876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.417876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 433.417876][ T73] ipv6_add_addr+0x411/0x2000 [ 433.417876][ T73] inet6_addr_add+0x30e/0xa40 [ 433.417876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.417876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.417876][ T73] netlink_rcv_skb+0x130/0x360 [ 433.417876][ T73] netlink_unicast+0x449/0x710 [ 433.417876][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.417876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.417876][ T73] ___sys_sendmsg+0xee/0x170 [ 433.417876][ T73] __sys_sendmsg+0xcd/0x170 [ 433.417876][ T73] do_syscall_64+0xc6/0x1e0 [ 433.417876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.417876][ T73] [ 433.419873][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.419873][ T73] netdev_get_by_index+0x5e/0x80 [ 433.419873][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.419873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.419873][ T73] ip6_route_add+0x1c/0x140 [ 433.419873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 433.419873][ T73] addrconf_add_dev+0xe2/0x170 [ 433.419873][ T73] inet6_addr_add+0x12f/0xa40 [ 433.419873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.419873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.419873][ T73] netlink_rcv_skb+0x130/0x360 [ 433.419873][ T73] netlink_unicast+0x449/0x710 [ 433.419873][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.419873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.419873][ T73] ___sys_sendmsg+0xee/0x170 [ 433.419873][ T73] __sys_sendmsg+0xcd/0x170 [ 433.419873][ T73] do_syscall_64+0xc6/0x1e0 [ 433.419873][ T73] [ 433.421836][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.421836][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 433.421836][ T73] ipv6_find_idev+0x102/0x170 [ 433.421836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.421836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.421836][ T73] netlink_rcv_skb+0x130/0x360 [ 433.421836][ T73] netlink_unicast+0x449/0x710 [ 433.421836][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.421836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.421836][ T73] ___sys_sendmsg+0xee/0x170 [ 433.421836][ T73] __sys_sendmsg+0xcd/0x170 [ 433.421836][ T73] do_syscall_64+0xc6/0x1e0 [ 433.421836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.421836][ T73] [ 433.423366][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 433.423366][ T73] neigh_parms_alloc+0x1e5/0x510 [ 433.423366][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 433.423366][ T73] ipv6_find_idev+0x102/0x170 [ 433.423366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.423366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.423366][ T73] netlink_rcv_skb+0x130/0x360 [ 433.423366][ T73] netlink_unicast+0x449/0x710 [ 433.423366][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.423366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.423366][ T73] ___sys_sendmsg+0xee/0x170 [ 433.423366][ T73] __sys_sendmsg+0xcd/0x170 [ 433.423366][ T73] do_syscall_64+0xc6/0x1e0 [ 433.423366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.423366][ T73] [ 433.425210][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 433.425480][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.425480][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 433.425480][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 433.425480][ T73] fib6_nh_init+0xa22/0x1580 [ 433.425480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.425480][ T73] ip6_route_add+0x1c/0x140 [ 433.425480][ T73] inet6_rtm_newroute+0x104/0x110 [ 433.425480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.425480][ T73] netlink_rcv_skb+0x130/0x360 [ 433.425480][ T73] netlink_unicast+0x449/0x710 [ 433.425480][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.425480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.425480][ T73] ___sys_sendmsg+0xee/0x170 [ 433.425480][ T73] __sys_sendmsg+0xcd/0x170 [ 433.425480][ T73] do_syscall_64+0xc6/0x1e0 [ 433.425480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.425480][ T73] [ 433.427650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.427650][ T73] dst_init+0x84/0x4a0 [ 433.427650][ T73] dst_alloc+0x97/0x150 [ 433.427650][ T73] ip6_dst_alloc+0x23/0x90 [ 433.427650][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 433.427650][ T73] ip6_pol_route+0x56f/0x840 [ 433.427650][ T73] fib6_rule_lookup+0x456/0x630 [ 433.427650][ T73] ip6_route_input+0x59c/0xa50 [ 433.427650][ T73] ipv6_rcv+0x397/0x810 [ 433.427650][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 433.427650][ T73] process_backlog+0x101/0x620 [ 433.427650][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 433.427650][ T73] net_rx_action+0x495/0xbe0 [ 433.427650][ T73] __do_softirq+0x1b5/0x7f6 [ 433.427650][ T73] [ 433.429458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.429458][ T73] netdev_get_by_index+0x5e/0x80 [ 433.429458][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.429458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.429458][ T73] ip6_route_add+0x1c/0x140 [ 433.429458][ T73] addrconf_prefix_route+0x2a6/0x430 [ 433.429458][ T73] inet6_addr_add+0x4f8/0xa40 [ 433.429458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.429458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.429458][ T73] netlink_rcv_skb+0x130/0x360 [ 433.429458][ T73] netlink_unicast+0x449/0x710 [ 433.429458][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.429458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.429458][ T73] ___sys_sendmsg+0xee/0x170 [ 433.429458][ T73] __sys_sendmsg+0xcd/0x170 [ 433.429458][ T73] do_syscall_64+0xc6/0x1e0 [ 433.429458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.429458][ T73] [ 433.431697][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.431697][ T73] netdev_get_by_index+0x5e/0x80 [ 433.431697][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.431697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.431697][ T73] addrconf_f6i_alloc+0x315/0x560 [ 433.431697][ T73] ipv6_add_addr+0x411/0x2000 [ 433.431697][ T73] inet6_addr_add+0x30e/0xa40 [ 433.431697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.431697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.431697][ T73] netlink_rcv_skb+0x130/0x360 [ 433.431697][ T73] netlink_unicast+0x449/0x710 [ 433.431697][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.431697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.431697][ T73] ___sys_sendmsg+0xee/0x170 [ 433.431697][ T73] __sys_sendmsg+0xcd/0x170 [ 433.431697][ T73] do_syscall_64+0xc6/0x1e0 [ 433.431697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.431697][ T73] [ 433.433923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.433923][ T73] netdev_get_by_index+0x5e/0x80 [ 433.433923][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.433923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.433923][ T73] ip6_route_add+0x1c/0x140 [ 433.433923][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 433.433923][ T73] addrconf_add_dev+0xe2/0x170 [ 433.433923][ T73] inet6_addr_add+0x12f/0xa40 [ 433.433923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.433923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.433923][ T73] netlink_rcv_skb+0x130/0x360 [ 433.433923][ T73] netlink_unicast+0x449/0x710 [ 433.433923][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.433923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.433923][ T73] ___sys_sendmsg+0xee/0x170 [ 433.433923][ T73] __sys_sendmsg+0xcd/0x170 [ 433.433923][ T73] do_syscall_64+0xc6/0x1e0 [ 433.433923][ T73] [ 433.436112][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.436112][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 433.436112][ T73] ipv6_find_idev+0x102/0x170 [ 433.436112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.436112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.436112][ T73] netlink_rcv_skb+0x130/0x360 [ 433.436112][ T73] netlink_unicast+0x449/0x710 [ 433.436112][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.436112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.436112][ T73] ___sys_sendmsg+0xee/0x170 [ 433.436112][ T73] __sys_sendmsg+0xcd/0x170 [ 433.436112][ T73] do_syscall_64+0xc6/0x1e0 [ 433.436112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.436112][ T73] [ 433.437822][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 433.437822][ T73] neigh_parms_alloc+0x1e5/0x510 [ 433.437822][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 433.437822][ T73] ipv6_find_idev+0x102/0x170 [ 433.437822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.437822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.437822][ T73] netlink_rcv_skb+0x130/0x360 [ 433.437822][ T73] netlink_unicast+0x449/0x710 [ 433.437822][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.437822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.437822][ T73] ___sys_sendmsg+0xee/0x170 [ 433.437822][ T73] __sys_sendmsg+0xcd/0x170 [ 433.437822][ T73] do_syscall_64+0xc6/0x1e0 [ 433.437822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.437822][ T73] [ 433.439760][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 433.440480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 433.440480][ T73] netdev_get_by_index+0x5e/0x80 [ 433.440480][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.440480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.440480][ T73] addrconf_f6i_alloc+0x265/0x560 [ 433.440480][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 433.440480][ T73] addrconf_join_anycast+0x1c0/0x220 [ 433.440480][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 433.440480][ T73] addrconf_dad_completed+0x12b/0xe20 [ 433.440480][ T73] addrconf_dad_begin+0x310/0x670 [ 433.440480][ T73] addrconf_dad_work+0x10b/0xab0 [ 433.440480][ T73] process_one_work+0x84d/0x18a0 [ 433.440480][ T73] worker_thread+0x587/0xd30 [ 433.440480][ T73] kthread+0x28a/0x350 [ 433.440480][ T73] ret_from_fork+0x31/0x70 [ 433.440480][ T73] ret_from_fork_asm+0x1a/0x30 [ 433.440480][ T73] [ 433.442384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 433.442384][ T73] netdev_get_by_index+0x5e/0x80 [ 433.442384][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.442384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.442384][ T73] ip6_route_add+0x1c/0x140 [ 433.442384][ T73] addrconf_prefix_route+0x2a6/0x430 [ 433.442384][ T73] inet6_addr_add+0x4f8/0xa40 [ 433.442384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.442384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.442384][ T73] netlink_rcv_skb+0x130/0x360 [ 433.442384][ T73] netlink_unicast+0x449/0x710 [ 433.442384][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.442384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.442384][ T73] ___sys_sendmsg+0xee/0x170 [ 433.442384][ T73] __sys_sendmsg+0xcd/0x170 [ 433.442384][ T73] do_syscall_64+0xc6/0x1e0 [ 433.442384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.442384][ T73] [ 433.444496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 433.444496][ T73] netdev_get_by_index+0x5e/0x80 [ 433.444496][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.444496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.444496][ T73] addrconf_f6i_alloc+0x315/0x560 [ 433.444496][ T73] ipv6_add_addr+0x411/0x2000 [ 433.444496][ T73] inet6_addr_add+0x30e/0xa40 [ 433.444496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.444496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.444496][ T73] netlink_rcv_skb+0x130/0x360 [ 433.444496][ T73] netlink_unicast+0x449/0x710 [ 433.444496][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.444496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.444496][ T73] ___sys_sendmsg+0xee/0x170 [ 433.444496][ T73] __sys_sendmsg+0xcd/0x170 [ 433.444496][ T73] do_syscall_64+0xc6/0x1e0 [ 433.444496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.444496][ T73] [ 433.446669][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 433.446669][ T73] netdev_get_by_index+0x5e/0x80 [ 433.446669][ T73] fib6_nh_init+0x3d8/0x1580 [ 433.446669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 433.446669][ T73] ip6_route_add+0x1c/0x140 [ 433.446669][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 433.446669][ T73] addrconf_add_dev+0xe2/0x170 [ 433.446669][ T73] inet6_addr_add+0x12f/0xa40 [ 433.446669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 433.446669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.446669][ T73] netlink_rcv_skb+0x130/0x360 [ 433.446669][ T73] netlink_unicast+0x449/0x710 [ 433.446669][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.446669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.446669][ T73] ___sys_sendmsg+0xee/0x170 [ 433.446669][ T73] __sys_sendmsg+0xcd/0x170 [ 433.446669][ T73] do_syscall_64+0xc6/0x1e0 [ 433.446669][ T73] [ 433.448942][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 433.448942][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 433.448942][ T73] ipv6_find_idev+0x102/0x170 [ 433.448942][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.448942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.448942][ T73] netlink_rcv_skb+0x130/0x360 [ 433.448942][ T73] netlink_unicast+0x449/0x710 [ 433.448942][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.448942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.448942][ T73] ___sys_sendmsg+0xee/0x170 [ 433.448942][ T73] __sys_sendmsg+0xcd/0x170 [ 433.448942][ T73] do_syscall_64+0xc6/0x1e0 [ 433.448942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.448942][ T73] [ 433.450649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 433.450649][ T73] neigh_parms_alloc+0x1e5/0x510 [ 433.450649][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 433.450649][ T73] ipv6_find_idev+0x102/0x170 [ 433.450649][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.450649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.450649][ T73] netlink_rcv_skb+0x130/0x360 [ 433.450649][ T73] netlink_unicast+0x449/0x710 [ 433.450649][ T73] netlink_sendmsg+0x723/0xbe0 [ 433.450649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 433.450649][ T73] ___sys_sendmsg+0xee/0x170 [ 433.450649][ T73] __sys_sendmsg+0xcd/0x170 [ 433.450649][ T73] do_syscall_64+0xc6/0x1e0 [ 433.450649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.450649][ T73] [ 443.694949][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 443.695569][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.695569][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 443.695569][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 443.695569][ T73] fib6_nh_init+0xa22/0x1580 [ 443.695569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.695569][ T73] ip6_route_add+0x1c/0x140 [ 443.695569][ T73] inet6_rtm_newroute+0x104/0x110 [ 443.695569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.695569][ T73] netlink_rcv_skb+0x130/0x360 [ 443.695569][ T73] netlink_unicast+0x449/0x710 [ 443.695569][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.695569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.695569][ T73] ___sys_sendmsg+0xee/0x170 [ 443.695569][ T73] __sys_sendmsg+0xcd/0x170 [ 443.695569][ T73] do_syscall_64+0xc6/0x1e0 [ 443.695569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.695569][ T73] [ 443.698688][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.698688][ T73] dst_init+0x84/0x4a0 [ 443.698688][ T73] dst_alloc+0x97/0x150 [ 443.698688][ T73] ip6_dst_alloc+0x23/0x90 [ 443.698688][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 443.698688][ T73] ip6_pol_route+0x56f/0x840 [ 443.698688][ T73] fib6_rule_lookup+0x456/0x630 [ 443.698688][ T73] ip6_route_input+0x59c/0xa50 [ 443.698688][ T73] ipv6_rcv+0x397/0x810 [ 443.698688][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 443.698688][ T73] process_backlog+0x101/0x620 [ 443.698688][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 443.698688][ T73] net_rx_action+0x495/0xbe0 [ 443.698688][ T73] __do_softirq+0x1b5/0x7f6 [ 443.698688][ T73] [ 443.701279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.701279][ T73] netdev_get_by_index+0x5e/0x80 [ 443.701279][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.701279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.701279][ T73] ip6_route_add+0x1c/0x140 [ 443.701279][ T73] addrconf_prefix_route+0x2a6/0x430 [ 443.701279][ T73] inet6_addr_add+0x4f8/0xa40 [ 443.701279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.701279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.701279][ T73] netlink_rcv_skb+0x130/0x360 [ 443.701279][ T73] netlink_unicast+0x449/0x710 [ 443.701279][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.701279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.701279][ T73] ___sys_sendmsg+0xee/0x170 [ 443.701279][ T73] __sys_sendmsg+0xcd/0x170 [ 443.701279][ T73] do_syscall_64+0xc6/0x1e0 [ 443.701279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.701279][ T73] [ 443.704681][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.704681][ T73] netdev_get_by_index+0x5e/0x80 [ 443.704681][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.704681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.704681][ T73] addrconf_f6i_alloc+0x315/0x560 [ 443.704681][ T73] ipv6_add_addr+0x411/0x2000 [ 443.704681][ T73] inet6_addr_add+0x30e/0xa40 [ 443.704681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.704681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.704681][ T73] netlink_rcv_skb+0x130/0x360 [ 443.704681][ T73] netlink_unicast+0x449/0x710 [ 443.704681][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.704681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.704681][ T73] ___sys_sendmsg+0xee/0x170 [ 443.704681][ T73] __sys_sendmsg+0xcd/0x170 [ 443.704681][ T73] do_syscall_64+0xc6/0x1e0 [ 443.704681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.704681][ T73] [ 443.707802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.707802][ T73] netdev_get_by_index+0x5e/0x80 [ 443.707802][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.707802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.707802][ T73] ip6_route_add+0x1c/0x140 [ 443.707802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 443.707802][ T73] addrconf_add_dev+0xe2/0x170 [ 443.707802][ T73] inet6_addr_add+0x12f/0xa40 [ 443.707802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.707802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.707802][ T73] netlink_rcv_skb+0x130/0x360 [ 443.707802][ T73] netlink_unicast+0x449/0x710 [ 443.707802][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.707802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.707802][ T73] ___sys_sendmsg+0xee/0x170 [ 443.707802][ T73] __sys_sendmsg+0xcd/0x170 [ 443.707802][ T73] do_syscall_64+0xc6/0x1e0 [ 443.707802][ T73] [ 443.710910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.710910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 443.710910][ T73] ipv6_find_idev+0x102/0x170 [ 443.710910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.710910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.710910][ T73] netlink_rcv_skb+0x130/0x360 [ 443.710910][ T73] netlink_unicast+0x449/0x710 [ 443.710910][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.710910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.710910][ T73] ___sys_sendmsg+0xee/0x170 [ 443.710910][ T73] __sys_sendmsg+0xcd/0x170 [ 443.710910][ T73] do_syscall_64+0xc6/0x1e0 [ 443.710910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.710910][ T73] [ 443.713300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 443.713300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 443.713300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 443.713300][ T73] ipv6_find_idev+0x102/0x170 [ 443.713300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.713300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.713300][ T73] netlink_rcv_skb+0x130/0x360 [ 443.713300][ T73] netlink_unicast+0x449/0x710 [ 443.713300][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.713300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.713300][ T73] ___sys_sendmsg+0xee/0x170 [ 443.713300][ T73] __sys_sendmsg+0xcd/0x170 [ 443.713300][ T73] do_syscall_64+0xc6/0x1e0 [ 443.713300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.713300][ T73] [ 443.715959][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 443.716393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.716393][ T73] dst_init+0x84/0x4a0 [ 443.716393][ T73] dst_alloc+0x97/0x150 [ 443.716393][ T73] ip6_dst_alloc+0x23/0x90 [ 443.716393][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 443.716393][ T73] ip6_pol_route+0x56f/0x840 [ 443.716393][ T73] fib6_rule_lookup+0x456/0x630 [ 443.716393][ T73] ip6_route_input+0x59c/0xa50 [ 443.716393][ T73] ipv6_rcv+0x397/0x810 [ 443.716393][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 443.716393][ T73] process_backlog+0x101/0x620 [ 443.716393][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 443.716393][ T73] net_rx_action+0x495/0xbe0 [ 443.716393][ T73] __do_softirq+0x1b5/0x7f6 [ 443.716393][ T73] [ 443.718955][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.718955][ T73] netdev_get_by_index+0x5e/0x80 [ 443.718955][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.718955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.718955][ T73] addrconf_f6i_alloc+0x265/0x560 [ 443.718955][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 443.718955][ T73] addrconf_join_anycast+0x1c0/0x220 [ 443.718955][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 443.718955][ T73] addrconf_dad_completed+0x12b/0xe20 [ 443.718955][ T73] addrconf_dad_begin+0x310/0x670 [ 443.718955][ T73] addrconf_dad_work+0x10b/0xab0 [ 443.718955][ T73] process_one_work+0x84d/0x18a0 [ 443.718955][ T73] worker_thread+0x587/0xd30 [ 443.718955][ T73] kthread+0x28a/0x350 [ 443.718955][ T73] ret_from_fork+0x31/0x70 [ 443.718955][ T73] ret_from_fork_asm+0x1a/0x30 [ 443.718955][ T73] [ 443.721821][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.721821][ T73] netdev_get_by_index+0x5e/0x80 [ 443.721821][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.721821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.721821][ T73] ip6_route_add+0x1c/0x140 [ 443.721821][ T73] addrconf_prefix_route+0x2a6/0x430 [ 443.721821][ T73] inet6_addr_add+0x4f8/0xa40 [ 443.721821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.721821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.721821][ T73] netlink_rcv_skb+0x130/0x360 [ 443.721821][ T73] netlink_unicast+0x449/0x710 [ 443.721821][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.721821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.721821][ T73] ___sys_sendmsg+0xee/0x170 [ 443.721821][ T73] __sys_sendmsg+0xcd/0x170 [ 443.721821][ T73] do_syscall_64+0xc6/0x1e0 [ 443.721821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.721821][ T73] [ 443.724765][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.724765][ T73] netdev_get_by_index+0x5e/0x80 [ 443.724765][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.724765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.724765][ T73] addrconf_f6i_alloc+0x315/0x560 [ 443.724765][ T73] ipv6_add_addr+0x411/0x2000 [ 443.724765][ T73] inet6_addr_add+0x30e/0xa40 [ 443.724765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.724765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.724765][ T73] netlink_rcv_skb+0x130/0x360 [ 443.724765][ T73] netlink_unicast+0x449/0x710 [ 443.724765][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.724765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.724765][ T73] ___sys_sendmsg+0xee/0x170 [ 443.724765][ T73] __sys_sendmsg+0xcd/0x170 [ 443.724765][ T73] do_syscall_64+0xc6/0x1e0 [ 443.724765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.724765][ T73] [ 443.727790][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.727790][ T73] netdev_get_by_index+0x5e/0x80 [ 443.727790][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.727790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.727790][ T73] ip6_route_add+0x1c/0x140 [ 443.727790][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 443.727790][ T73] addrconf_add_dev+0xe2/0x170 [ 443.727790][ T73] inet6_addr_add+0x12f/0xa40 [ 443.727790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.727790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.727790][ T73] netlink_rcv_skb+0x130/0x360 [ 443.727790][ T73] netlink_unicast+0x449/0x710 [ 443.727790][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.727790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.727790][ T73] ___sys_sendmsg+0xee/0x170 [ 443.727790][ T73] __sys_sendmsg+0xcd/0x170 [ 443.727790][ T73] do_syscall_64+0xc6/0x1e0 [ 443.727790][ T73] [ 443.730738][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.730738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 443.730738][ T73] ipv6_find_idev+0x102/0x170 [ 443.730738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.730738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.730738][ T73] netlink_rcv_skb+0x130/0x360 [ 443.730738][ T73] netlink_unicast+0x449/0x710 [ 443.730738][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.730738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.730738][ T73] ___sys_sendmsg+0xee/0x170 [ 443.730738][ T73] __sys_sendmsg+0xcd/0x170 [ 443.730738][ T73] do_syscall_64+0xc6/0x1e0 [ 443.730738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.730738][ T73] [ 443.732916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 443.732916][ T73] neigh_parms_alloc+0x1e5/0x510 [ 443.732916][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 443.732916][ T73] ipv6_find_idev+0x102/0x170 [ 443.732916][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.732916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.732916][ T73] netlink_rcv_skb+0x130/0x360 [ 443.732916][ T73] netlink_unicast+0x449/0x710 [ 443.732916][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.732916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.732916][ T73] ___sys_sendmsg+0xee/0x170 [ 443.732916][ T73] __sys_sendmsg+0xcd/0x170 [ 443.732916][ T73] do_syscall_64+0xc6/0x1e0 [ 443.732916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.732916][ T73] [ 443.734815][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 443.735105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.735105][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 443.735105][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 443.735105][ T73] fib6_nh_init+0xa22/0x1580 [ 443.735105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.735105][ T73] ip6_route_add+0x1c/0x140 [ 443.735105][ T73] inet6_rtm_newroute+0x104/0x110 [ 443.735105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.735105][ T73] netlink_rcv_skb+0x130/0x360 [ 443.735105][ T73] netlink_unicast+0x449/0x710 [ 443.735105][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.735105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.735105][ T73] ___sys_sendmsg+0xee/0x170 [ 443.735105][ T73] __sys_sendmsg+0xcd/0x170 [ 443.735105][ T73] do_syscall_64+0xc6/0x1e0 [ 443.735105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.735105][ T73] [ 443.737253][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.737253][ T73] dst_init+0x84/0x4a0 [ 443.737253][ T73] dst_alloc+0x97/0x150 [ 443.737253][ T73] ip6_dst_alloc+0x23/0x90 [ 443.737253][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 443.737253][ T73] ip6_pol_route+0x56f/0x840 [ 443.737253][ T73] fib6_rule_lookup+0x456/0x630 [ 443.737253][ T73] ip6_route_input+0x59c/0xa50 [ 443.737253][ T73] ipv6_rcv+0x397/0x810 [ 443.737253][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 443.737253][ T73] process_backlog+0x101/0x620 [ 443.737253][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 443.737253][ T73] net_rx_action+0x495/0xbe0 [ 443.737253][ T73] __do_softirq+0x1b5/0x7f6 [ 443.737253][ T73] [ 443.739459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.739459][ T73] netdev_get_by_index+0x5e/0x80 [ 443.739459][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.739459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.739459][ T73] ip6_route_add+0x1c/0x140 [ 443.739459][ T73] addrconf_prefix_route+0x2a6/0x430 [ 443.739459][ T73] inet6_addr_add+0x4f8/0xa40 [ 443.739459][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.739459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.739459][ T73] netlink_rcv_skb+0x130/0x360 [ 443.739459][ T73] netlink_unicast+0x449/0x710 [ 443.739459][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.739459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.739459][ T73] ___sys_sendmsg+0xee/0x170 [ 443.739459][ T73] __sys_sendmsg+0xcd/0x170 [ 443.739459][ T73] do_syscall_64+0xc6/0x1e0 [ 443.739459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.739459][ T73] [ 443.741716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.741716][ T73] netdev_get_by_index+0x5e/0x80 [ 443.741716][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.741716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.741716][ T73] addrconf_f6i_alloc+0x315/0x560 [ 443.741716][ T73] ipv6_add_addr+0x411/0x2000 [ 443.741716][ T73] inet6_addr_add+0x30e/0xa40 [ 443.741716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.741716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.741716][ T73] netlink_rcv_skb+0x130/0x360 [ 443.741716][ T73] netlink_unicast+0x449/0x710 [ 443.741716][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.741716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.741716][ T73] ___sys_sendmsg+0xee/0x170 [ 443.741716][ T73] __sys_sendmsg+0xcd/0x170 [ 443.741716][ T73] do_syscall_64+0xc6/0x1e0 [ 443.741716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.741716][ T73] [ 443.744028][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.744028][ T73] netdev_get_by_index+0x5e/0x80 [ 443.744028][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.744028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.744028][ T73] ip6_route_add+0x1c/0x140 [ 443.744028][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 443.744028][ T73] addrconf_add_dev+0xe2/0x170 [ 443.744028][ T73] inet6_addr_add+0x12f/0xa40 [ 443.744028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.744028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.744028][ T73] netlink_rcv_skb+0x130/0x360 [ 443.744028][ T73] netlink_unicast+0x449/0x710 [ 443.744028][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.744028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.744028][ T73] ___sys_sendmsg+0xee/0x170 [ 443.744028][ T73] __sys_sendmsg+0xcd/0x170 [ 443.744028][ T73] do_syscall_64+0xc6/0x1e0 [ 443.744028][ T73] [ 443.746204][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.746204][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 443.746204][ T73] ipv6_find_idev+0x102/0x170 [ 443.746204][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.746204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.746204][ T73] netlink_rcv_skb+0x130/0x360 [ 443.746204][ T73] netlink_unicast+0x449/0x710 [ 443.746204][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.746204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.746204][ T73] ___sys_sendmsg+0xee/0x170 [ 443.746204][ T73] __sys_sendmsg+0xcd/0x170 [ 443.746204][ T73] do_syscall_64+0xc6/0x1e0 [ 443.746204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.746204][ T73] [ 443.747933][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 443.747933][ T73] neigh_parms_alloc+0x1e5/0x510 [ 443.747933][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 443.747933][ T73] ipv6_find_idev+0x102/0x170 [ 443.747933][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.747933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.747933][ T73] netlink_rcv_skb+0x130/0x360 [ 443.747933][ T73] netlink_unicast+0x449/0x710 [ 443.747933][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.747933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.747933][ T73] ___sys_sendmsg+0xee/0x170 [ 443.747933][ T73] __sys_sendmsg+0xcd/0x170 [ 443.747933][ T73] do_syscall_64+0xc6/0x1e0 [ 443.747933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.747933][ T73] [ 443.749932][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 443.750221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 443.750221][ T73] netdev_get_by_index+0x5e/0x80 [ 443.750221][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.750221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.750221][ T73] addrconf_f6i_alloc+0x265/0x560 [ 443.750221][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 443.750221][ T73] addrconf_join_anycast+0x1c0/0x220 [ 443.750221][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 443.750221][ T73] addrconf_dad_completed+0x12b/0xe20 [ 443.750221][ T73] addrconf_dad_begin+0x310/0x670 [ 443.750221][ T73] addrconf_dad_work+0x10b/0xab0 [ 443.750221][ T73] process_one_work+0x84d/0x18a0 [ 443.750221][ T73] worker_thread+0x587/0xd30 [ 443.750221][ T73] kthread+0x28a/0x350 [ 443.750221][ T73] ret_from_fork+0x31/0x70 [ 443.750221][ T73] ret_from_fork_asm+0x1a/0x30 [ 443.750221][ T73] [ 443.752460][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 443.752460][ T73] netdev_get_by_index+0x5e/0x80 [ 443.752460][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.752460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.752460][ T73] ip6_route_add+0x1c/0x140 [ 443.752460][ T73] addrconf_prefix_route+0x2a6/0x430 [ 443.752460][ T73] inet6_addr_add+0x4f8/0xa40 [ 443.752460][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.752460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.752460][ T73] netlink_rcv_skb+0x130/0x360 [ 443.752460][ T73] netlink_unicast+0x449/0x710 [ 443.752460][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.752460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.752460][ T73] ___sys_sendmsg+0xee/0x170 [ 443.752460][ T73] __sys_sendmsg+0xcd/0x170 [ 443.752460][ T73] do_syscall_64+0xc6/0x1e0 [ 443.752460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.752460][ T73] [ 443.755592][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 443.755592][ T73] netdev_get_by_index+0x5e/0x80 [ 443.755592][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.755592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.755592][ T73] addrconf_f6i_alloc+0x315/0x560 [ 443.755592][ T73] ipv6_add_addr+0x411/0x2000 [ 443.755592][ T73] inet6_addr_add+0x30e/0xa40 [ 443.755592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.755592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.755592][ T73] netlink_rcv_skb+0x130/0x360 [ 443.755592][ T73] netlink_unicast+0x449/0x710 [ 443.755592][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.755592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.755592][ T73] ___sys_sendmsg+0xee/0x170 [ 443.755592][ T73] __sys_sendmsg+0xcd/0x170 [ 443.755592][ T73] do_syscall_64+0xc6/0x1e0 [ 443.755592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.755592][ T73] [ 443.758876][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 443.758876][ T73] netdev_get_by_index+0x5e/0x80 [ 443.758876][ T73] fib6_nh_init+0x3d8/0x1580 [ 443.758876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 443.758876][ T73] ip6_route_add+0x1c/0x140 [ 443.758876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 443.758876][ T73] addrconf_add_dev+0xe2/0x170 [ 443.758876][ T73] inet6_addr_add+0x12f/0xa40 [ 443.758876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 443.758876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.758876][ T73] netlink_rcv_skb+0x130/0x360 [ 443.758876][ T73] netlink_unicast+0x449/0x710 [ 443.758876][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.758876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.758876][ T73] ___sys_sendmsg+0xee/0x170 [ 443.758876][ T73] __sys_sendmsg+0xcd/0x170 [ 443.758876][ T73] do_syscall_64+0xc6/0x1e0 [ 443.758876][ T73] [ 443.762333][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 443.762333][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 443.762333][ T73] ipv6_find_idev+0x102/0x170 [ 443.762333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.762333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.762333][ T73] netlink_rcv_skb+0x130/0x360 [ 443.762333][ T73] netlink_unicast+0x449/0x710 [ 443.762333][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.762333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.762333][ T73] ___sys_sendmsg+0xee/0x170 [ 443.762333][ T73] __sys_sendmsg+0xcd/0x170 [ 443.762333][ T73] do_syscall_64+0xc6/0x1e0 [ 443.762333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.762333][ T73] [ 443.765072][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 443.765072][ T73] neigh_parms_alloc+0x1e5/0x510 [ 443.765072][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 443.765072][ T73] ipv6_find_idev+0x102/0x170 [ 443.765072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.765072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.765072][ T73] netlink_rcv_skb+0x130/0x360 [ 443.765072][ T73] netlink_unicast+0x449/0x710 [ 443.765072][ T73] netlink_sendmsg+0x723/0xbe0 [ 443.765072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 443.765072][ T73] ___sys_sendmsg+0xee/0x170 [ 443.765072][ T73] __sys_sendmsg+0xcd/0x170 [ 443.765072][ T73] do_syscall_64+0xc6/0x1e0 [ 443.765072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.765072][ T73] [ 453.806973][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 453.807508][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.807508][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 453.807508][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 453.807508][ T73] fib6_nh_init+0xa22/0x1580 [ 453.807508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.807508][ T73] ip6_route_add+0x1c/0x140 [ 453.807508][ T73] inet6_rtm_newroute+0x104/0x110 [ 453.807508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.807508][ T73] netlink_rcv_skb+0x130/0x360 [ 453.807508][ T73] netlink_unicast+0x449/0x710 [ 453.807508][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.807508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.807508][ T73] ___sys_sendmsg+0xee/0x170 [ 453.807508][ T73] __sys_sendmsg+0xcd/0x170 [ 453.807508][ T73] do_syscall_64+0xc6/0x1e0 [ 453.807508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.807508][ T73] [ 453.809412][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.809412][ T73] dst_init+0x84/0x4a0 [ 453.809412][ T73] dst_alloc+0x97/0x150 [ 453.809412][ T73] ip6_dst_alloc+0x23/0x90 [ 453.809412][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 453.809412][ T73] ip6_pol_route+0x56f/0x840 [ 453.809412][ T73] fib6_rule_lookup+0x456/0x630 [ 453.809412][ T73] ip6_route_input+0x59c/0xa50 [ 453.809412][ T73] ipv6_rcv+0x397/0x810 [ 453.809412][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 453.809412][ T73] process_backlog+0x101/0x620 [ 453.809412][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 453.809412][ T73] net_rx_action+0x495/0xbe0 [ 453.809412][ T73] __do_softirq+0x1b5/0x7f6 [ 453.809412][ T73] [ 453.811058][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.811058][ T73] netdev_get_by_index+0x5e/0x80 [ 453.811058][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.811058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.811058][ T73] ip6_route_add+0x1c/0x140 [ 453.811058][ T73] addrconf_prefix_route+0x2a6/0x430 [ 453.811058][ T73] inet6_addr_add+0x4f8/0xa40 [ 453.811058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.811058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.811058][ T73] netlink_rcv_skb+0x130/0x360 [ 453.811058][ T73] netlink_unicast+0x449/0x710 [ 453.811058][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.811058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.811058][ T73] ___sys_sendmsg+0xee/0x170 [ 453.811058][ T73] __sys_sendmsg+0xcd/0x170 [ 453.811058][ T73] do_syscall_64+0xc6/0x1e0 [ 453.811058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.811058][ T73] [ 453.813042][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.813042][ T73] netdev_get_by_index+0x5e/0x80 [ 453.813042][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.813042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.813042][ T73] addrconf_f6i_alloc+0x315/0x560 [ 453.813042][ T73] ipv6_add_addr+0x411/0x2000 [ 453.813042][ T73] inet6_addr_add+0x30e/0xa40 [ 453.813042][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.813042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.813042][ T73] netlink_rcv_skb+0x130/0x360 [ 453.813042][ T73] netlink_unicast+0x449/0x710 [ 453.813042][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.813042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.813042][ T73] ___sys_sendmsg+0xee/0x170 [ 453.813042][ T73] __sys_sendmsg+0xcd/0x170 [ 453.813042][ T73] do_syscall_64+0xc6/0x1e0 [ 453.813042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.813042][ T73] [ 453.815030][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.815030][ T73] netdev_get_by_index+0x5e/0x80 [ 453.815030][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.815030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.815030][ T73] ip6_route_add+0x1c/0x140 [ 453.815030][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 453.815030][ T73] addrconf_add_dev+0xe2/0x170 [ 453.815030][ T73] inet6_addr_add+0x12f/0xa40 [ 453.815030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.815030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.815030][ T73] netlink_rcv_skb+0x130/0x360 [ 453.815030][ T73] netlink_unicast+0x449/0x710 [ 453.815030][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.815030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.815030][ T73] ___sys_sendmsg+0xee/0x170 [ 453.815030][ T73] __sys_sendmsg+0xcd/0x170 [ 453.815030][ T73] do_syscall_64+0xc6/0x1e0 [ 453.815030][ T73] [ 453.816978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.816978][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 453.816978][ T73] ipv6_find_idev+0x102/0x170 [ 453.816978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.816978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.816978][ T73] netlink_rcv_skb+0x130/0x360 [ 453.816978][ T73] netlink_unicast+0x449/0x710 [ 453.816978][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.816978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.816978][ T73] ___sys_sendmsg+0xee/0x170 [ 453.816978][ T73] __sys_sendmsg+0xcd/0x170 [ 453.816978][ T73] do_syscall_64+0xc6/0x1e0 [ 453.816978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.816978][ T73] [ 453.818520][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 453.818520][ T73] neigh_parms_alloc+0x1e5/0x510 [ 453.818520][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 453.818520][ T73] ipv6_find_idev+0x102/0x170 [ 453.818520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.818520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.818520][ T73] netlink_rcv_skb+0x130/0x360 [ 453.818520][ T73] netlink_unicast+0x449/0x710 [ 453.818520][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.818520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.818520][ T73] ___sys_sendmsg+0xee/0x170 [ 453.818520][ T73] __sys_sendmsg+0xcd/0x170 [ 453.818520][ T73] do_syscall_64+0xc6/0x1e0 [ 453.818520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.818520][ T73] [ 453.820222][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 453.820502][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.820502][ T73] dst_init+0x84/0x4a0 [ 453.820502][ T73] dst_alloc+0x97/0x150 [ 453.820502][ T73] ip6_dst_alloc+0x23/0x90 [ 453.820502][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 453.820502][ T73] ip6_pol_route+0x56f/0x840 [ 453.820502][ T73] fib6_rule_lookup+0x456/0x630 [ 453.820502][ T73] ip6_route_input+0x59c/0xa50 [ 453.820502][ T73] ipv6_rcv+0x397/0x810 [ 453.820502][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 453.820502][ T73] process_backlog+0x101/0x620 [ 453.820502][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 453.820502][ T73] net_rx_action+0x495/0xbe0 [ 453.820502][ T73] __do_softirq+0x1b5/0x7f6 [ 453.820502][ T73] [ 453.822131][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.822131][ T73] netdev_get_by_index+0x5e/0x80 [ 453.822131][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.822131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.822131][ T73] addrconf_f6i_alloc+0x265/0x560 [ 453.822131][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 453.822131][ T73] addrconf_join_anycast+0x1c0/0x220 [ 453.822131][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 453.822131][ T73] addrconf_dad_completed+0x12b/0xe20 [ 453.822131][ T73] addrconf_dad_begin+0x310/0x670 [ 453.822131][ T73] addrconf_dad_work+0x10b/0xab0 [ 453.822131][ T73] process_one_work+0x84d/0x18a0 [ 453.822131][ T73] worker_thread+0x587/0xd30 [ 453.822131][ T73] kthread+0x28a/0x350 [ 453.822131][ T73] ret_from_fork+0x31/0x70 [ 453.822131][ T73] ret_from_fork_asm+0x1a/0x30 [ 453.822131][ T73] [ 453.824035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.824035][ T73] netdev_get_by_index+0x5e/0x80 [ 453.824035][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.824035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.824035][ T73] ip6_route_add+0x1c/0x140 [ 453.824035][ T73] addrconf_prefix_route+0x2a6/0x430 [ 453.824035][ T73] inet6_addr_add+0x4f8/0xa40 [ 453.824035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.824035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.824035][ T73] netlink_rcv_skb+0x130/0x360 [ 453.824035][ T73] netlink_unicast+0x449/0x710 [ 453.824035][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.824035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.824035][ T73] ___sys_sendmsg+0xee/0x170 [ 453.824035][ T73] __sys_sendmsg+0xcd/0x170 [ 453.824035][ T73] do_syscall_64+0xc6/0x1e0 [ 453.824035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.824035][ T73] [ 453.826021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.826021][ T73] netdev_get_by_index+0x5e/0x80 [ 453.826021][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.826021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.826021][ T73] addrconf_f6i_alloc+0x315/0x560 [ 453.826021][ T73] ipv6_add_addr+0x411/0x2000 [ 453.826021][ T73] inet6_addr_add+0x30e/0xa40 [ 453.826021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.826021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.826021][ T73] netlink_rcv_skb+0x130/0x360 [ 453.826021][ T73] netlink_unicast+0x449/0x710 [ 453.826021][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.826021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.826021][ T73] ___sys_sendmsg+0xee/0x170 [ 453.826021][ T73] __sys_sendmsg+0xcd/0x170 [ 453.826021][ T73] do_syscall_64+0xc6/0x1e0 [ 453.826021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.826021][ T73] [ 453.828006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.828006][ T73] netdev_get_by_index+0x5e/0x80 [ 453.828006][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.828006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.828006][ T73] ip6_route_add+0x1c/0x140 [ 453.828006][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 453.828006][ T73] addrconf_add_dev+0xe2/0x170 [ 453.828006][ T73] inet6_addr_add+0x12f/0xa40 [ 453.828006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.828006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.828006][ T73] netlink_rcv_skb+0x130/0x360 [ 453.828006][ T73] netlink_unicast+0x449/0x710 [ 453.828006][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.828006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.828006][ T73] ___sys_sendmsg+0xee/0x170 [ 453.828006][ T73] __sys_sendmsg+0xcd/0x170 [ 453.828006][ T73] do_syscall_64+0xc6/0x1e0 [ 453.828006][ T73] [ 453.829961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.829961][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 453.829961][ T73] ipv6_find_idev+0x102/0x170 [ 453.829961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.829961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.829961][ T73] netlink_rcv_skb+0x130/0x360 [ 453.829961][ T73] netlink_unicast+0x449/0x710 [ 453.829961][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.829961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.829961][ T73] ___sys_sendmsg+0xee/0x170 [ 453.829961][ T73] __sys_sendmsg+0xcd/0x170 [ 453.829961][ T73] do_syscall_64+0xc6/0x1e0 [ 453.829961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.829961][ T73] [ 453.831477][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 453.831477][ T73] neigh_parms_alloc+0x1e5/0x510 [ 453.831477][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 453.831477][ T73] ipv6_find_idev+0x102/0x170 [ 453.831477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.831477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.831477][ T73] netlink_rcv_skb+0x130/0x360 [ 453.831477][ T73] netlink_unicast+0x449/0x710 [ 453.831477][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.831477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.831477][ T73] ___sys_sendmsg+0xee/0x170 [ 453.831477][ T73] __sys_sendmsg+0xcd/0x170 [ 453.831477][ T73] do_syscall_64+0xc6/0x1e0 [ 453.831477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.831477][ T73] [ 453.833290][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 453.833563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.833563][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 453.833563][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 453.833563][ T73] fib6_nh_init+0xa22/0x1580 [ 453.833563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.833563][ T73] ip6_route_add+0x1c/0x140 [ 453.833563][ T73] inet6_rtm_newroute+0x104/0x110 [ 453.833563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.833563][ T73] netlink_rcv_skb+0x130/0x360 [ 453.833563][ T73] netlink_unicast+0x449/0x710 [ 453.833563][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.833563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.833563][ T73] ___sys_sendmsg+0xee/0x170 [ 453.833563][ T73] __sys_sendmsg+0xcd/0x170 [ 453.833563][ T73] do_syscall_64+0xc6/0x1e0 [ 453.833563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.833563][ T73] [ 453.835724][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.835724][ T73] dst_init+0x84/0x4a0 [ 453.835724][ T73] dst_alloc+0x97/0x150 [ 453.835724][ T73] ip6_dst_alloc+0x23/0x90 [ 453.835724][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 453.835724][ T73] ip6_pol_route+0x56f/0x840 [ 453.835724][ T73] fib6_rule_lookup+0x456/0x630 [ 453.835724][ T73] ip6_route_input+0x59c/0xa50 [ 453.835724][ T73] ipv6_rcv+0x397/0x810 [ 453.835724][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 453.835724][ T73] process_backlog+0x101/0x620 [ 453.835724][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 453.835724][ T73] net_rx_action+0x495/0xbe0 [ 453.835724][ T73] __do_softirq+0x1b5/0x7f6 [ 453.835724][ T73] [ 453.837529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.837529][ T73] netdev_get_by_index+0x5e/0x80 [ 453.837529][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.837529][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.837529][ T73] ip6_route_add+0x1c/0x140 [ 453.837529][ T73] addrconf_prefix_route+0x2a6/0x430 [ 453.837529][ T73] inet6_addr_add+0x4f8/0xa40 [ 453.837529][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.837529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.837529][ T73] netlink_rcv_skb+0x130/0x360 [ 453.837529][ T73] netlink_unicast+0x449/0x710 [ 453.837529][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.837529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.837529][ T73] ___sys_sendmsg+0xee/0x170 [ 453.837529][ T73] __sys_sendmsg+0xcd/0x170 [ 453.837529][ T73] do_syscall_64+0xc6/0x1e0 [ 453.837529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.837529][ T73] [ 453.839751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.839751][ T73] netdev_get_by_index+0x5e/0x80 [ 453.839751][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.839751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.839751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 453.839751][ T73] ipv6_add_addr+0x411/0x2000 [ 453.839751][ T73] inet6_addr_add+0x30e/0xa40 [ 453.839751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.839751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.839751][ T73] netlink_rcv_skb+0x130/0x360 [ 453.839751][ T73] netlink_unicast+0x449/0x710 [ 453.839751][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.839751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.839751][ T73] ___sys_sendmsg+0xee/0x170 [ 453.839751][ T73] __sys_sendmsg+0xcd/0x170 [ 453.839751][ T73] do_syscall_64+0xc6/0x1e0 [ 453.839751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.839751][ T73] [ 453.841962][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.841962][ T73] netdev_get_by_index+0x5e/0x80 [ 453.841962][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.841962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.841962][ T73] ip6_route_add+0x1c/0x140 [ 453.841962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 453.841962][ T73] addrconf_add_dev+0xe2/0x170 [ 453.841962][ T73] inet6_addr_add+0x12f/0xa40 [ 453.841962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.841962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.841962][ T73] netlink_rcv_skb+0x130/0x360 [ 453.841962][ T73] netlink_unicast+0x449/0x710 [ 453.841962][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.841962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.841962][ T73] ___sys_sendmsg+0xee/0x170 [ 453.841962][ T73] __sys_sendmsg+0xcd/0x170 [ 453.841962][ T73] do_syscall_64+0xc6/0x1e0 [ 453.841962][ T73] [ 453.844079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.844079][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 453.844079][ T73] ipv6_find_idev+0x102/0x170 [ 453.844079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.844079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.844079][ T73] netlink_rcv_skb+0x130/0x360 [ 453.844079][ T73] netlink_unicast+0x449/0x710 [ 453.844079][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.844079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.844079][ T73] ___sys_sendmsg+0xee/0x170 [ 453.844079][ T73] __sys_sendmsg+0xcd/0x170 [ 453.844079][ T73] do_syscall_64+0xc6/0x1e0 [ 453.844079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.844079][ T73] [ 453.845841][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 453.845841][ T73] neigh_parms_alloc+0x1e5/0x510 [ 453.845841][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 453.845841][ T73] ipv6_find_idev+0x102/0x170 [ 453.845841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.845841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.845841][ T73] netlink_rcv_skb+0x130/0x360 [ 453.845841][ T73] netlink_unicast+0x449/0x710 [ 453.845841][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.845841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.845841][ T73] ___sys_sendmsg+0xee/0x170 [ 453.845841][ T73] __sys_sendmsg+0xcd/0x170 [ 453.845841][ T73] do_syscall_64+0xc6/0x1e0 [ 453.845841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.845841][ T73] [ 453.847764][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 453.848501][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 453.848501][ T73] netdev_get_by_index+0x5e/0x80 [ 453.848501][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.848501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.848501][ T73] addrconf_f6i_alloc+0x265/0x560 [ 453.848501][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 453.848501][ T73] addrconf_join_anycast+0x1c0/0x220 [ 453.848501][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 453.848501][ T73] addrconf_dad_completed+0x12b/0xe20 [ 453.848501][ T73] addrconf_dad_begin+0x310/0x670 [ 453.848501][ T73] addrconf_dad_work+0x10b/0xab0 [ 453.848501][ T73] process_one_work+0x84d/0x18a0 [ 453.848501][ T73] worker_thread+0x587/0xd30 [ 453.848501][ T73] kthread+0x28a/0x350 [ 453.848501][ T73] ret_from_fork+0x31/0x70 [ 453.848501][ T73] ret_from_fork_asm+0x1a/0x30 [ 453.848501][ T73] [ 453.850406][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 453.850406][ T73] netdev_get_by_index+0x5e/0x80 [ 453.850406][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.850406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.850406][ T73] ip6_route_add+0x1c/0x140 [ 453.850406][ T73] addrconf_prefix_route+0x2a6/0x430 [ 453.850406][ T73] inet6_addr_add+0x4f8/0xa40 [ 453.850406][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.850406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.850406][ T73] netlink_rcv_skb+0x130/0x360 [ 453.850406][ T73] netlink_unicast+0x449/0x710 [ 453.850406][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.850406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.850406][ T73] ___sys_sendmsg+0xee/0x170 [ 453.850406][ T73] __sys_sendmsg+0xcd/0x170 [ 453.850406][ T73] do_syscall_64+0xc6/0x1e0 [ 453.850406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.850406][ T73] [ 453.852495][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 453.852495][ T73] netdev_get_by_index+0x5e/0x80 [ 453.852495][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.852495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.852495][ T73] addrconf_f6i_alloc+0x315/0x560 [ 453.852495][ T73] ipv6_add_addr+0x411/0x2000 [ 453.852495][ T73] inet6_addr_add+0x30e/0xa40 [ 453.852495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.852495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.852495][ T73] netlink_rcv_skb+0x130/0x360 [ 453.852495][ T73] netlink_unicast+0x449/0x710 [ 453.852495][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.852495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.852495][ T73] ___sys_sendmsg+0xee/0x170 [ 453.852495][ T73] __sys_sendmsg+0xcd/0x170 [ 453.852495][ T73] do_syscall_64+0xc6/0x1e0 [ 453.852495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.852495][ T73] [ 453.854649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 453.854649][ T73] netdev_get_by_index+0x5e/0x80 [ 453.854649][ T73] fib6_nh_init+0x3d8/0x1580 [ 453.854649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 453.854649][ T73] ip6_route_add+0x1c/0x140 [ 453.854649][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 453.854649][ T73] addrconf_add_dev+0xe2/0x170 [ 453.854649][ T73] inet6_addr_add+0x12f/0xa40 [ 453.854649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 453.854649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.854649][ T73] netlink_rcv_skb+0x130/0x360 [ 453.854649][ T73] netlink_unicast+0x449/0x710 [ 453.854649][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.854649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.854649][ T73] ___sys_sendmsg+0xee/0x170 [ 453.854649][ T73] __sys_sendmsg+0xcd/0x170 [ 453.854649][ T73] do_syscall_64+0xc6/0x1e0 [ 453.854649][ T73] [ 453.856842][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 453.856842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 453.856842][ T73] ipv6_find_idev+0x102/0x170 [ 453.856842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.856842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.856842][ T73] netlink_rcv_skb+0x130/0x360 [ 453.856842][ T73] netlink_unicast+0x449/0x710 [ 453.856842][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.856842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.856842][ T73] ___sys_sendmsg+0xee/0x170 [ 453.856842][ T73] __sys_sendmsg+0xcd/0x170 [ 453.856842][ T73] do_syscall_64+0xc6/0x1e0 [ 453.856842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.856842][ T73] [ 453.858613][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 453.858613][ T73] neigh_parms_alloc+0x1e5/0x510 [ 453.858613][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 453.858613][ T73] ipv6_find_idev+0x102/0x170 [ 453.858613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.858613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.858613][ T73] netlink_rcv_skb+0x130/0x360 [ 453.858613][ T73] netlink_unicast+0x449/0x710 [ 453.858613][ T73] netlink_sendmsg+0x723/0xbe0 [ 453.858613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 453.858613][ T73] ___sys_sendmsg+0xee/0x170 [ 453.858613][ T73] __sys_sendmsg+0xcd/0x170 [ 453.858613][ T73] do_syscall_64+0xc6/0x1e0 [ 453.858613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.858613][ T73] [ 464.102894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 464.103442][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.103442][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 464.103442][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 464.103442][ T73] fib6_nh_init+0xa22/0x1580 [ 464.103442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.103442][ T73] ip6_route_add+0x1c/0x140 [ 464.103442][ T73] inet6_rtm_newroute+0x104/0x110 [ 464.103442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.103442][ T73] netlink_rcv_skb+0x130/0x360 [ 464.103442][ T73] netlink_unicast+0x449/0x710 [ 464.103442][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.103442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.103442][ T73] ___sys_sendmsg+0xee/0x170 [ 464.103442][ T73] __sys_sendmsg+0xcd/0x170 [ 464.103442][ T73] do_syscall_64+0xc6/0x1e0 [ 464.103442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.103442][ T73] [ 464.105973][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.105973][ T73] dst_init+0x84/0x4a0 [ 464.105973][ T73] dst_alloc+0x97/0x150 [ 464.105973][ T73] ip6_dst_alloc+0x23/0x90 [ 464.105973][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 464.105973][ T73] ip6_pol_route+0x56f/0x840 [ 464.105973][ T73] fib6_rule_lookup+0x456/0x630 [ 464.105973][ T73] ip6_route_input+0x59c/0xa50 [ 464.105973][ T73] ipv6_rcv+0x397/0x810 [ 464.105973][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 464.105973][ T73] process_backlog+0x101/0x620 [ 464.105973][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 464.105973][ T73] net_rx_action+0x495/0xbe0 [ 464.105973][ T73] __do_softirq+0x1b5/0x7f6 [ 464.105973][ T73] [ 464.107843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.107843][ T73] netdev_get_by_index+0x5e/0x80 [ 464.107843][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.107843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.107843][ T73] ip6_route_add+0x1c/0x140 [ 464.107843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 464.107843][ T73] inet6_addr_add+0x4f8/0xa40 [ 464.107843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.107843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.107843][ T73] netlink_rcv_skb+0x130/0x360 [ 464.107843][ T73] netlink_unicast+0x449/0x710 [ 464.107843][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.107843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.107843][ T73] ___sys_sendmsg+0xee/0x170 [ 464.107843][ T73] __sys_sendmsg+0xcd/0x170 [ 464.107843][ T73] do_syscall_64+0xc6/0x1e0 [ 464.107843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.107843][ T73] [ 464.110161][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.110161][ T73] netdev_get_by_index+0x5e/0x80 [ 464.110161][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.110161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.110161][ T73] addrconf_f6i_alloc+0x315/0x560 [ 464.110161][ T73] ipv6_add_addr+0x411/0x2000 [ 464.110161][ T73] inet6_addr_add+0x30e/0xa40 [ 464.110161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.110161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.110161][ T73] netlink_rcv_skb+0x130/0x360 [ 464.110161][ T73] netlink_unicast+0x449/0x710 [ 464.110161][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.110161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.110161][ T73] ___sys_sendmsg+0xee/0x170 [ 464.110161][ T73] __sys_sendmsg+0xcd/0x170 [ 464.110161][ T73] do_syscall_64+0xc6/0x1e0 [ 464.110161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.110161][ T73] [ 464.112377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.112377][ T73] netdev_get_by_index+0x5e/0x80 [ 464.112377][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.112377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.112377][ T73] ip6_route_add+0x1c/0x140 [ 464.112377][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 464.112377][ T73] addrconf_add_dev+0xe2/0x170 [ 464.112377][ T73] inet6_addr_add+0x12f/0xa40 [ 464.112377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.112377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.112377][ T73] netlink_rcv_skb+0x130/0x360 [ 464.112377][ T73] netlink_unicast+0x449/0x710 [ 464.112377][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.112377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.112377][ T73] ___sys_sendmsg+0xee/0x170 [ 464.112377][ T73] __sys_sendmsg+0xcd/0x170 [ 464.112377][ T73] do_syscall_64+0xc6/0x1e0 [ 464.112377][ T73] [ 464.114518][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.114518][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 464.114518][ T73] ipv6_find_idev+0x102/0x170 [ 464.114518][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.114518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.114518][ T73] netlink_rcv_skb+0x130/0x360 [ 464.114518][ T73] netlink_unicast+0x449/0x710 [ 464.114518][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.114518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.114518][ T73] ___sys_sendmsg+0xee/0x170 [ 464.114518][ T73] __sys_sendmsg+0xcd/0x170 [ 464.114518][ T73] do_syscall_64+0xc6/0x1e0 [ 464.114518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.114518][ T73] [ 464.116276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 464.116276][ T73] neigh_parms_alloc+0x1e5/0x510 [ 464.116276][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 464.116276][ T73] ipv6_find_idev+0x102/0x170 [ 464.116276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.116276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.116276][ T73] netlink_rcv_skb+0x130/0x360 [ 464.116276][ T73] netlink_unicast+0x449/0x710 [ 464.116276][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.116276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.116276][ T73] ___sys_sendmsg+0xee/0x170 [ 464.116276][ T73] __sys_sendmsg+0xcd/0x170 [ 464.116276][ T73] do_syscall_64+0xc6/0x1e0 [ 464.116276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.116276][ T73] [ 464.118253][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 464.118570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.118570][ T73] dst_init+0x84/0x4a0 [ 464.118570][ T73] dst_alloc+0x97/0x150 [ 464.118570][ T73] ip6_dst_alloc+0x23/0x90 [ 464.118570][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 464.118570][ T73] ip6_pol_route+0x56f/0x840 [ 464.118570][ T73] fib6_rule_lookup+0x456/0x630 [ 464.118570][ T73] ip6_route_input+0x59c/0xa50 [ 464.118570][ T73] ipv6_rcv+0x397/0x810 [ 464.118570][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 464.118570][ T73] process_backlog+0x101/0x620 [ 464.118570][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 464.118570][ T73] net_rx_action+0x495/0xbe0 [ 464.118570][ T73] __do_softirq+0x1b5/0x7f6 [ 464.118570][ T73] [ 464.120391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.120391][ T73] netdev_get_by_index+0x5e/0x80 [ 464.120391][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.120391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.120391][ T73] addrconf_f6i_alloc+0x265/0x560 [ 464.120391][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 464.120391][ T73] addrconf_join_anycast+0x1c0/0x220 [ 464.120391][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 464.120391][ T73] addrconf_dad_completed+0x12b/0xe20 [ 464.120391][ T73] addrconf_dad_begin+0x310/0x670 [ 464.120391][ T73] addrconf_dad_work+0x10b/0xab0 [ 464.120391][ T73] process_one_work+0x84d/0x18a0 [ 464.120391][ T73] worker_thread+0x587/0xd30 [ 464.120391][ T73] kthread+0x28a/0x350 [ 464.120391][ T73] ret_from_fork+0x31/0x70 [ 464.120391][ T73] ret_from_fork_asm+0x1a/0x30 [ 464.120391][ T73] [ 464.123118][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.123118][ T73] netdev_get_by_index+0x5e/0x80 [ 464.123118][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.123118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.123118][ T73] ip6_route_add+0x1c/0x140 [ 464.123118][ T73] addrconf_prefix_route+0x2a6/0x430 [ 464.123118][ T73] inet6_addr_add+0x4f8/0xa40 [ 464.123118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.123118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.123118][ T73] netlink_rcv_skb+0x130/0x360 [ 464.123118][ T73] netlink_unicast+0x449/0x710 [ 464.123118][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.123118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.123118][ T73] ___sys_sendmsg+0xee/0x170 [ 464.123118][ T73] __sys_sendmsg+0xcd/0x170 [ 464.123118][ T73] do_syscall_64+0xc6/0x1e0 [ 464.123118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.123118][ T73] [ 464.126103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.126103][ T73] netdev_get_by_index+0x5e/0x80 [ 464.126103][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.126103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.126103][ T73] addrconf_f6i_alloc+0x315/0x560 [ 464.126103][ T73] ipv6_add_addr+0x411/0x2000 [ 464.126103][ T73] inet6_addr_add+0x30e/0xa40 [ 464.126103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.126103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.126103][ T73] netlink_rcv_skb+0x130/0x360 [ 464.126103][ T73] netlink_unicast+0x449/0x710 [ 464.126103][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.126103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.126103][ T73] ___sys_sendmsg+0xee/0x170 [ 464.126103][ T73] __sys_sendmsg+0xcd/0x170 [ 464.126103][ T73] do_syscall_64+0xc6/0x1e0 [ 464.126103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.126103][ T73] [ 464.128634][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.128634][ T73] netdev_get_by_index+0x5e/0x80 [ 464.128634][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.128634][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.128634][ T73] ip6_route_add+0x1c/0x140 [ 464.128634][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 464.128634][ T73] addrconf_add_dev+0xe2/0x170 [ 464.128634][ T73] inet6_addr_add+0x12f/0xa40 [ 464.128634][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.128634][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.128634][ T73] netlink_rcv_skb+0x130/0x360 [ 464.128634][ T73] netlink_unicast+0x449/0x710 [ 464.128634][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.128634][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.128634][ T73] ___sys_sendmsg+0xee/0x170 [ 464.128634][ T73] __sys_sendmsg+0xcd/0x170 [ 464.128634][ T73] do_syscall_64+0xc6/0x1e0 [ 464.128634][ T73] [ 464.130789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.130789][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 464.130789][ T73] ipv6_find_idev+0x102/0x170 [ 464.130789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.130789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.130789][ T73] netlink_rcv_skb+0x130/0x360 [ 464.130789][ T73] netlink_unicast+0x449/0x710 [ 464.130789][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.130789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.130789][ T73] ___sys_sendmsg+0xee/0x170 [ 464.130789][ T73] __sys_sendmsg+0xcd/0x170 [ 464.130789][ T73] do_syscall_64+0xc6/0x1e0 [ 464.130789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.130789][ T73] [ 464.132484][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 464.132484][ T73] neigh_parms_alloc+0x1e5/0x510 [ 464.132484][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 464.132484][ T73] ipv6_find_idev+0x102/0x170 [ 464.132484][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.132484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.132484][ T73] netlink_rcv_skb+0x130/0x360 [ 464.132484][ T73] netlink_unicast+0x449/0x710 [ 464.132484][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.132484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.132484][ T73] ___sys_sendmsg+0xee/0x170 [ 464.132484][ T73] __sys_sendmsg+0xcd/0x170 [ 464.132484][ T73] do_syscall_64+0xc6/0x1e0 [ 464.132484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.132484][ T73] [ 464.134762][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 464.135239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.135239][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 464.135239][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 464.135239][ T73] fib6_nh_init+0xa22/0x1580 [ 464.135239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.135239][ T73] ip6_route_add+0x1c/0x140 [ 464.135239][ T73] inet6_rtm_newroute+0x104/0x110 [ 464.135239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.135239][ T73] netlink_rcv_skb+0x130/0x360 [ 464.135239][ T73] netlink_unicast+0x449/0x710 [ 464.135239][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.135239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.135239][ T73] ___sys_sendmsg+0xee/0x170 [ 464.135239][ T73] __sys_sendmsg+0xcd/0x170 [ 464.135239][ T73] do_syscall_64+0xc6/0x1e0 [ 464.135239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.135239][ T73] [ 464.138411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.138411][ T73] dst_init+0x84/0x4a0 [ 464.138411][ T73] dst_alloc+0x97/0x150 [ 464.138411][ T73] ip6_dst_alloc+0x23/0x90 [ 464.138411][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 464.138411][ T73] ip6_pol_route+0x56f/0x840 [ 464.138411][ T73] fib6_rule_lookup+0x456/0x630 [ 464.138411][ T73] ip6_route_input+0x59c/0xa50 [ 464.138411][ T73] ipv6_rcv+0x397/0x810 [ 464.138411][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 464.138411][ T73] process_backlog+0x101/0x620 [ 464.138411][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 464.138411][ T73] net_rx_action+0x495/0xbe0 [ 464.138411][ T73] __do_softirq+0x1b5/0x7f6 [ 464.138411][ T73] [ 464.140294][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.140294][ T73] netdev_get_by_index+0x5e/0x80 [ 464.140294][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.140294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.140294][ T73] ip6_route_add+0x1c/0x140 [ 464.140294][ T73] addrconf_prefix_route+0x2a6/0x430 [ 464.140294][ T73] inet6_addr_add+0x4f8/0xa40 [ 464.140294][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.140294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.140294][ T73] netlink_rcv_skb+0x130/0x360 [ 464.140294][ T73] netlink_unicast+0x449/0x710 [ 464.140294][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.140294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.140294][ T73] ___sys_sendmsg+0xee/0x170 [ 464.140294][ T73] __sys_sendmsg+0xcd/0x170 [ 464.140294][ T73] do_syscall_64+0xc6/0x1e0 [ 464.140294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.140294][ T73] [ 464.142710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.142710][ T73] netdev_get_by_index+0x5e/0x80 [ 464.142710][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.142710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.142710][ T73] addrconf_f6i_alloc+0x315/0x560 [ 464.142710][ T73] ipv6_add_addr+0x411/0x2000 [ 464.142710][ T73] inet6_addr_add+0x30e/0xa40 [ 464.142710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.142710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.142710][ T73] netlink_rcv_skb+0x130/0x360 [ 464.142710][ T73] netlink_unicast+0x449/0x710 [ 464.142710][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.142710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.142710][ T73] ___sys_sendmsg+0xee/0x170 [ 464.142710][ T73] __sys_sendmsg+0xcd/0x170 [ 464.142710][ T73] do_syscall_64+0xc6/0x1e0 [ 464.142710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.142710][ T73] [ 464.145086][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.145086][ T73] netdev_get_by_index+0x5e/0x80 [ 464.145086][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.145086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.145086][ T73] ip6_route_add+0x1c/0x140 [ 464.145086][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 464.145086][ T73] addrconf_add_dev+0xe2/0x170 [ 464.145086][ T73] inet6_addr_add+0x12f/0xa40 [ 464.145086][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.145086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.145086][ T73] netlink_rcv_skb+0x130/0x360 [ 464.145086][ T73] netlink_unicast+0x449/0x710 [ 464.145086][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.145086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.145086][ T73] ___sys_sendmsg+0xee/0x170 [ 464.145086][ T73] __sys_sendmsg+0xcd/0x170 [ 464.145086][ T73] do_syscall_64+0xc6/0x1e0 [ 464.145086][ T73] [ 464.147497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.147497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 464.147497][ T73] ipv6_find_idev+0x102/0x170 [ 464.147497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.147497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.147497][ T73] netlink_rcv_skb+0x130/0x360 [ 464.147497][ T73] netlink_unicast+0x449/0x710 [ 464.147497][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.147497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.147497][ T73] ___sys_sendmsg+0xee/0x170 [ 464.147497][ T73] __sys_sendmsg+0xcd/0x170 [ 464.147497][ T73] do_syscall_64+0xc6/0x1e0 [ 464.147497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.147497][ T73] [ 464.149322][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 464.149322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 464.149322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 464.149322][ T73] ipv6_find_idev+0x102/0x170 [ 464.149322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.149322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.149322][ T73] netlink_rcv_skb+0x130/0x360 [ 464.149322][ T73] netlink_unicast+0x449/0x710 [ 464.149322][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.149322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.149322][ T73] ___sys_sendmsg+0xee/0x170 [ 464.149322][ T73] __sys_sendmsg+0xcd/0x170 [ 464.149322][ T73] do_syscall_64+0xc6/0x1e0 [ 464.149322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.149322][ T73] [ 464.151636][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 464.152936][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 464.152936][ T73] netdev_get_by_index+0x5e/0x80 [ 464.152936][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.152936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.152936][ T73] addrconf_f6i_alloc+0x265/0x560 [ 464.152936][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 464.152936][ T73] addrconf_join_anycast+0x1c0/0x220 [ 464.152936][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 464.152936][ T73] addrconf_dad_completed+0x12b/0xe20 [ 464.152936][ T73] addrconf_dad_begin+0x310/0x670 [ 464.152936][ T73] addrconf_dad_work+0x10b/0xab0 [ 464.152936][ T73] process_one_work+0x84d/0x18a0 [ 464.152936][ T73] worker_thread+0x587/0xd30 [ 464.152936][ T73] kthread+0x28a/0x350 [ 464.152936][ T73] ret_from_fork+0x31/0x70 [ 464.152936][ T73] ret_from_fork_asm+0x1a/0x30 [ 464.152936][ T73] [ 464.156124][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 464.156124][ T73] netdev_get_by_index+0x5e/0x80 [ 464.156124][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.156124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.156124][ T73] ip6_route_add+0x1c/0x140 [ 464.156124][ T73] addrconf_prefix_route+0x2a6/0x430 [ 464.156124][ T73] inet6_addr_add+0x4f8/0xa40 [ 464.156124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.156124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.156124][ T73] netlink_rcv_skb+0x130/0x360 [ 464.156124][ T73] netlink_unicast+0x449/0x710 [ 464.156124][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.156124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.156124][ T73] ___sys_sendmsg+0xee/0x170 [ 464.156124][ T73] __sys_sendmsg+0xcd/0x170 [ 464.156124][ T73] do_syscall_64+0xc6/0x1e0 [ 464.156124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.156124][ T73] [ 464.160076][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 464.160076][ T73] netdev_get_by_index+0x5e/0x80 [ 464.160076][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.160076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.160076][ T73] addrconf_f6i_alloc+0x315/0x560 [ 464.160076][ T73] ipv6_add_addr+0x411/0x2000 [ 464.160076][ T73] inet6_addr_add+0x30e/0xa40 [ 464.160076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.160076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.160076][ T73] netlink_rcv_skb+0x130/0x360 [ 464.160076][ T73] netlink_unicast+0x449/0x710 [ 464.160076][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.160076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.160076][ T73] ___sys_sendmsg+0xee/0x170 [ 464.160076][ T73] __sys_sendmsg+0xcd/0x170 [ 464.160076][ T73] do_syscall_64+0xc6/0x1e0 [ 464.160076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.160076][ T73] [ 464.163556][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 464.163556][ T73] netdev_get_by_index+0x5e/0x80 [ 464.163556][ T73] fib6_nh_init+0x3d8/0x1580 [ 464.163556][ T73] ip6_route_info_create+0xf18/0x17d0 [ 464.163556][ T73] ip6_route_add+0x1c/0x140 [ 464.163556][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 464.163556][ T73] addrconf_add_dev+0xe2/0x170 [ 464.163556][ T73] inet6_addr_add+0x12f/0xa40 [ 464.163556][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 464.163556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.163556][ T73] netlink_rcv_skb+0x130/0x360 [ 464.163556][ T73] netlink_unicast+0x449/0x710 [ 464.163556][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.163556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.163556][ T73] ___sys_sendmsg+0xee/0x170 [ 464.163556][ T73] __sys_sendmsg+0xcd/0x170 [ 464.163556][ T73] do_syscall_64+0xc6/0x1e0 [ 464.163556][ T73] [ 464.167040][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 464.167040][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 464.167040][ T73] ipv6_find_idev+0x102/0x170 [ 464.167040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.167040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.167040][ T73] netlink_rcv_skb+0x130/0x360 [ 464.167040][ T73] netlink_unicast+0x449/0x710 [ 464.167040][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.167040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.167040][ T73] ___sys_sendmsg+0xee/0x170 [ 464.167040][ T73] __sys_sendmsg+0xcd/0x170 [ 464.167040][ T73] do_syscall_64+0xc6/0x1e0 [ 464.167040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.167040][ T73] [ 464.169721][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 464.169721][ T73] neigh_parms_alloc+0x1e5/0x510 [ 464.169721][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 464.169721][ T73] ipv6_find_idev+0x102/0x170 [ 464.169721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 464.169721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 464.169721][ T73] netlink_rcv_skb+0x130/0x360 [ 464.169721][ T73] netlink_unicast+0x449/0x710 [ 464.169721][ T73] netlink_sendmsg+0x723/0xbe0 [ 464.169721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 464.169721][ T73] ___sys_sendmsg+0xee/0x170 [ 464.169721][ T73] __sys_sendmsg+0xcd/0x170 [ 464.169721][ T73] do_syscall_64+0xc6/0x1e0 [ 464.169721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 464.169721][ T73] [ 474.238934][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 474.239394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.239394][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 474.239394][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 474.239394][ T73] fib6_nh_init+0xa22/0x1580 [ 474.239394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.239394][ T73] ip6_route_add+0x1c/0x140 [ 474.239394][ T73] inet6_rtm_newroute+0x104/0x110 [ 474.239394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.239394][ T73] netlink_rcv_skb+0x130/0x360 [ 474.239394][ T73] netlink_unicast+0x449/0x710 [ 474.239394][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.239394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.239394][ T73] ___sys_sendmsg+0xee/0x170 [ 474.239394][ T73] __sys_sendmsg+0xcd/0x170 [ 474.239394][ T73] do_syscall_64+0xc6/0x1e0 [ 474.239394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.239394][ T73] [ 474.241336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.241336][ T73] dst_init+0x84/0x4a0 [ 474.241336][ T73] dst_alloc+0x97/0x150 [ 474.241336][ T73] ip6_dst_alloc+0x23/0x90 [ 474.241336][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 474.241336][ T73] ip6_pol_route+0x56f/0x840 [ 474.241336][ T73] fib6_rule_lookup+0x456/0x630 [ 474.241336][ T73] ip6_route_input+0x59c/0xa50 [ 474.241336][ T73] ipv6_rcv+0x397/0x810 [ 474.241336][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 474.241336][ T73] process_backlog+0x101/0x620 [ 474.241336][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 474.241336][ T73] net_rx_action+0x495/0xbe0 [ 474.241336][ T73] __do_softirq+0x1b5/0x7f6 [ 474.241336][ T73] [ 474.242991][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.242991][ T73] netdev_get_by_index+0x5e/0x80 [ 474.242991][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.242991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.242991][ T73] ip6_route_add+0x1c/0x140 [ 474.242991][ T73] addrconf_prefix_route+0x2a6/0x430 [ 474.242991][ T73] inet6_addr_add+0x4f8/0xa40 [ 474.242991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.242991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.242991][ T73] netlink_rcv_skb+0x130/0x360 [ 474.242991][ T73] netlink_unicast+0x449/0x710 [ 474.242991][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.242991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.242991][ T73] ___sys_sendmsg+0xee/0x170 [ 474.242991][ T73] __sys_sendmsg+0xcd/0x170 [ 474.242991][ T73] do_syscall_64+0xc6/0x1e0 [ 474.242991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.242991][ T73] [ 474.244978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.244978][ T73] netdev_get_by_index+0x5e/0x80 [ 474.244978][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.244978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.244978][ T73] addrconf_f6i_alloc+0x315/0x560 [ 474.244978][ T73] ipv6_add_addr+0x411/0x2000 [ 474.244978][ T73] inet6_addr_add+0x30e/0xa40 [ 474.244978][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.244978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.244978][ T73] netlink_rcv_skb+0x130/0x360 [ 474.244978][ T73] netlink_unicast+0x449/0x710 [ 474.244978][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.244978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.244978][ T73] ___sys_sendmsg+0xee/0x170 [ 474.244978][ T73] __sys_sendmsg+0xcd/0x170 [ 474.244978][ T73] do_syscall_64+0xc6/0x1e0 [ 474.244978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.244978][ T73] [ 474.246971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.246971][ T73] netdev_get_by_index+0x5e/0x80 [ 474.246971][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.246971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.246971][ T73] ip6_route_add+0x1c/0x140 [ 474.246971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 474.246971][ T73] addrconf_add_dev+0xe2/0x170 [ 474.246971][ T73] inet6_addr_add+0x12f/0xa40 [ 474.246971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.246971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.246971][ T73] netlink_rcv_skb+0x130/0x360 [ 474.246971][ T73] netlink_unicast+0x449/0x710 [ 474.246971][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.246971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.246971][ T73] ___sys_sendmsg+0xee/0x170 [ 474.246971][ T73] __sys_sendmsg+0xcd/0x170 [ 474.246971][ T73] do_syscall_64+0xc6/0x1e0 [ 474.246971][ T73] [ 474.248940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.248940][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 474.248940][ T73] ipv6_find_idev+0x102/0x170 [ 474.248940][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.248940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.248940][ T73] netlink_rcv_skb+0x130/0x360 [ 474.248940][ T73] netlink_unicast+0x449/0x710 [ 474.248940][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.248940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.248940][ T73] ___sys_sendmsg+0xee/0x170 [ 474.248940][ T73] __sys_sendmsg+0xcd/0x170 [ 474.248940][ T73] do_syscall_64+0xc6/0x1e0 [ 474.248940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.248940][ T73] [ 474.250507][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 474.250507][ T73] neigh_parms_alloc+0x1e5/0x510 [ 474.250507][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 474.250507][ T73] ipv6_find_idev+0x102/0x170 [ 474.250507][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.250507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.250507][ T73] netlink_rcv_skb+0x130/0x360 [ 474.250507][ T73] netlink_unicast+0x449/0x710 [ 474.250507][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.250507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.250507][ T73] ___sys_sendmsg+0xee/0x170 [ 474.250507][ T73] __sys_sendmsg+0xcd/0x170 [ 474.250507][ T73] do_syscall_64+0xc6/0x1e0 [ 474.250507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.250507][ T73] [ 474.252213][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 474.252503][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.252503][ T73] dst_init+0x84/0x4a0 [ 474.252503][ T73] dst_alloc+0x97/0x150 [ 474.252503][ T73] ip6_dst_alloc+0x23/0x90 [ 474.252503][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 474.252503][ T73] ip6_pol_route+0x56f/0x840 [ 474.252503][ T73] fib6_rule_lookup+0x456/0x630 [ 474.252503][ T73] ip6_route_input+0x59c/0xa50 [ 474.252503][ T73] ipv6_rcv+0x397/0x810 [ 474.252503][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 474.252503][ T73] process_backlog+0x101/0x620 [ 474.252503][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 474.252503][ T73] net_rx_action+0x495/0xbe0 [ 474.252503][ T73] __do_softirq+0x1b5/0x7f6 [ 474.252503][ T73] [ 474.254172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.254172][ T73] netdev_get_by_index+0x5e/0x80 [ 474.254172][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.254172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.254172][ T73] addrconf_f6i_alloc+0x265/0x560 [ 474.254172][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 474.254172][ T73] addrconf_join_anycast+0x1c0/0x220 [ 474.254172][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 474.254172][ T73] addrconf_dad_completed+0x12b/0xe20 [ 474.254172][ T73] addrconf_dad_begin+0x310/0x670 [ 474.254172][ T73] addrconf_dad_work+0x10b/0xab0 [ 474.254172][ T73] process_one_work+0x84d/0x18a0 [ 474.254172][ T73] worker_thread+0x587/0xd30 [ 474.254172][ T73] kthread+0x28a/0x350 [ 474.254172][ T73] ret_from_fork+0x31/0x70 [ 474.254172][ T73] ret_from_fork_asm+0x1a/0x30 [ 474.254172][ T73] [ 474.256111][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.256111][ T73] netdev_get_by_index+0x5e/0x80 [ 474.256111][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.256111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.256111][ T73] ip6_route_add+0x1c/0x140 [ 474.256111][ T73] addrconf_prefix_route+0x2a6/0x430 [ 474.256111][ T73] inet6_addr_add+0x4f8/0xa40 [ 474.256111][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.256111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.256111][ T73] netlink_rcv_skb+0x130/0x360 [ 474.256111][ T73] netlink_unicast+0x449/0x710 [ 474.256111][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.256111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.256111][ T73] ___sys_sendmsg+0xee/0x170 [ 474.256111][ T73] __sys_sendmsg+0xcd/0x170 [ 474.256111][ T73] do_syscall_64+0xc6/0x1e0 [ 474.256111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.256111][ T73] [ 474.258142][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.258142][ T73] netdev_get_by_index+0x5e/0x80 [ 474.258142][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.258142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.258142][ T73] addrconf_f6i_alloc+0x315/0x560 [ 474.258142][ T73] ipv6_add_addr+0x411/0x2000 [ 474.258142][ T73] inet6_addr_add+0x30e/0xa40 [ 474.258142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.258142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.258142][ T73] netlink_rcv_skb+0x130/0x360 [ 474.258142][ T73] netlink_unicast+0x449/0x710 [ 474.258142][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.258142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.258142][ T73] ___sys_sendmsg+0xee/0x170 [ 474.258142][ T73] __sys_sendmsg+0xcd/0x170 [ 474.258142][ T73] do_syscall_64+0xc6/0x1e0 [ 474.258142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.258142][ T73] [ 474.260188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.260188][ T73] netdev_get_by_index+0x5e/0x80 [ 474.260188][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.260188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.260188][ T73] ip6_route_add+0x1c/0x140 [ 474.260188][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 474.260188][ T73] addrconf_add_dev+0xe2/0x170 [ 474.260188][ T73] inet6_addr_add+0x12f/0xa40 [ 474.260188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.260188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.260188][ T73] netlink_rcv_skb+0x130/0x360 [ 474.260188][ T73] netlink_unicast+0x449/0x710 [ 474.260188][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.260188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.260188][ T73] ___sys_sendmsg+0xee/0x170 [ 474.260188][ T73] __sys_sendmsg+0xcd/0x170 [ 474.260188][ T73] do_syscall_64+0xc6/0x1e0 [ 474.260188][ T73] [ 474.262171][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.262171][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 474.262171][ T73] ipv6_find_idev+0x102/0x170 [ 474.262171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.262171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.262171][ T73] netlink_rcv_skb+0x130/0x360 [ 474.262171][ T73] netlink_unicast+0x449/0x710 [ 474.262171][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.262171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.262171][ T73] ___sys_sendmsg+0xee/0x170 [ 474.262171][ T73] __sys_sendmsg+0xcd/0x170 [ 474.262171][ T73] do_syscall_64+0xc6/0x1e0 [ 474.262171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.262171][ T73] [ 474.263721][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 474.263721][ T73] neigh_parms_alloc+0x1e5/0x510 [ 474.263721][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 474.263721][ T73] ipv6_find_idev+0x102/0x170 [ 474.263721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.263721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.263721][ T73] netlink_rcv_skb+0x130/0x360 [ 474.263721][ T73] netlink_unicast+0x449/0x710 [ 474.263721][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.263721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.263721][ T73] ___sys_sendmsg+0xee/0x170 [ 474.263721][ T73] __sys_sendmsg+0xcd/0x170 [ 474.263721][ T73] do_syscall_64+0xc6/0x1e0 [ 474.263721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.263721][ T73] [ 474.265535][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 474.265888][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.265888][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 474.265888][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 474.265888][ T73] fib6_nh_init+0xa22/0x1580 [ 474.265888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.265888][ T73] ip6_route_add+0x1c/0x140 [ 474.265888][ T73] inet6_rtm_newroute+0x104/0x110 [ 474.265888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.265888][ T73] netlink_rcv_skb+0x130/0x360 [ 474.265888][ T73] netlink_unicast+0x449/0x710 [ 474.265888][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.265888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.265888][ T73] ___sys_sendmsg+0xee/0x170 [ 474.265888][ T73] __sys_sendmsg+0xcd/0x170 [ 474.265888][ T73] do_syscall_64+0xc6/0x1e0 [ 474.265888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.265888][ T73] [ 474.267925][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.267925][ T73] dst_init+0x84/0x4a0 [ 474.267925][ T73] dst_alloc+0x97/0x150 [ 474.267925][ T73] ip6_dst_alloc+0x23/0x90 [ 474.267925][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 474.267925][ T73] ip6_pol_route+0x56f/0x840 [ 474.267925][ T73] fib6_rule_lookup+0x456/0x630 [ 474.267925][ T73] ip6_route_input+0x59c/0xa50 [ 474.267925][ T73] ipv6_rcv+0x397/0x810 [ 474.267925][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 474.267925][ T73] process_backlog+0x101/0x620 [ 474.267925][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 474.267925][ T73] net_rx_action+0x495/0xbe0 [ 474.267925][ T73] __do_softirq+0x1b5/0x7f6 [ 474.267925][ T73] [ 474.269824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.269824][ T73] netdev_get_by_index+0x5e/0x80 [ 474.269824][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.269824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.269824][ T73] ip6_route_add+0x1c/0x140 [ 474.269824][ T73] addrconf_prefix_route+0x2a6/0x430 [ 474.269824][ T73] inet6_addr_add+0x4f8/0xa40 [ 474.269824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.269824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.269824][ T73] netlink_rcv_skb+0x130/0x360 [ 474.269824][ T73] netlink_unicast+0x449/0x710 [ 474.269824][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.269824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.269824][ T73] ___sys_sendmsg+0xee/0x170 [ 474.269824][ T73] __sys_sendmsg+0xcd/0x170 [ 474.269824][ T73] do_syscall_64+0xc6/0x1e0 [ 474.269824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.269824][ T73] [ 474.272090][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.272090][ T73] netdev_get_by_index+0x5e/0x80 [ 474.272090][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.272090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.272090][ T73] addrconf_f6i_alloc+0x315/0x560 [ 474.272090][ T73] ipv6_add_addr+0x411/0x2000 [ 474.272090][ T73] inet6_addr_add+0x30e/0xa40 [ 474.272090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.272090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.272090][ T73] netlink_rcv_skb+0x130/0x360 [ 474.272090][ T73] netlink_unicast+0x449/0x710 [ 474.272090][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.272090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.272090][ T73] ___sys_sendmsg+0xee/0x170 [ 474.272090][ T73] __sys_sendmsg+0xcd/0x170 [ 474.272090][ T73] do_syscall_64+0xc6/0x1e0 [ 474.272090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.272090][ T73] [ 474.274343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.274343][ T73] netdev_get_by_index+0x5e/0x80 [ 474.274343][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.274343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.274343][ T73] ip6_route_add+0x1c/0x140 [ 474.274343][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 474.274343][ T73] addrconf_add_dev+0xe2/0x170 [ 474.274343][ T73] inet6_addr_add+0x12f/0xa40 [ 474.274343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.274343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.274343][ T73] netlink_rcv_skb+0x130/0x360 [ 474.274343][ T73] netlink_unicast+0x449/0x710 [ 474.274343][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.274343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.274343][ T73] ___sys_sendmsg+0xee/0x170 [ 474.274343][ T73] __sys_sendmsg+0xcd/0x170 [ 474.274343][ T73] do_syscall_64+0xc6/0x1e0 [ 474.274343][ T73] [ 474.276569][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.276569][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 474.276569][ T73] ipv6_find_idev+0x102/0x170 [ 474.276569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.276569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.276569][ T73] netlink_rcv_skb+0x130/0x360 [ 474.276569][ T73] netlink_unicast+0x449/0x710 [ 474.276569][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.276569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.276569][ T73] ___sys_sendmsg+0xee/0x170 [ 474.276569][ T73] __sys_sendmsg+0xcd/0x170 [ 474.276569][ T73] do_syscall_64+0xc6/0x1e0 [ 474.276569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.276569][ T73] [ 474.278339][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 474.278339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 474.278339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 474.278339][ T73] ipv6_find_idev+0x102/0x170 [ 474.278339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.278339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.278339][ T73] netlink_rcv_skb+0x130/0x360 [ 474.278339][ T73] netlink_unicast+0x449/0x710 [ 474.278339][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.278339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.278339][ T73] ___sys_sendmsg+0xee/0x170 [ 474.278339][ T73] __sys_sendmsg+0xcd/0x170 [ 474.278339][ T73] do_syscall_64+0xc6/0x1e0 [ 474.278339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.278339][ T73] [ 474.280299][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 474.280577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 474.280577][ T73] netdev_get_by_index+0x5e/0x80 [ 474.280577][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.280577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.280577][ T73] addrconf_f6i_alloc+0x265/0x560 [ 474.280577][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 474.280577][ T73] addrconf_join_anycast+0x1c0/0x220 [ 474.280577][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 474.280577][ T73] addrconf_dad_completed+0x12b/0xe20 [ 474.280577][ T73] addrconf_dad_begin+0x310/0x670 [ 474.280577][ T73] addrconf_dad_work+0x10b/0xab0 [ 474.280577][ T73] process_one_work+0x84d/0x18a0 [ 474.280577][ T73] worker_thread+0x587/0xd30 [ 474.280577][ T73] kthread+0x28a/0x350 [ 474.280577][ T73] ret_from_fork+0x31/0x70 [ 474.280577][ T73] ret_from_fork_asm+0x1a/0x30 [ 474.280577][ T73] [ 474.282713][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 474.282713][ T73] netdev_get_by_index+0x5e/0x80 [ 474.282713][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.282713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.282713][ T73] ip6_route_add+0x1c/0x140 [ 474.282713][ T73] addrconf_prefix_route+0x2a6/0x430 [ 474.282713][ T73] inet6_addr_add+0x4f8/0xa40 [ 474.282713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.282713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.282713][ T73] netlink_rcv_skb+0x130/0x360 [ 474.282713][ T73] netlink_unicast+0x449/0x710 [ 474.282713][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.282713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.282713][ T73] ___sys_sendmsg+0xee/0x170 [ 474.282713][ T73] __sys_sendmsg+0xcd/0x170 [ 474.282713][ T73] do_syscall_64+0xc6/0x1e0 [ 474.282713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.282713][ T73] [ 474.284947][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 474.284947][ T73] netdev_get_by_index+0x5e/0x80 [ 474.284947][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.284947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.284947][ T73] addrconf_f6i_alloc+0x315/0x560 [ 474.284947][ T73] ipv6_add_addr+0x411/0x2000 [ 474.284947][ T73] inet6_addr_add+0x30e/0xa40 [ 474.284947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.284947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.284947][ T73] netlink_rcv_skb+0x130/0x360 [ 474.284947][ T73] netlink_unicast+0x449/0x710 [ 474.284947][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.284947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.284947][ T73] ___sys_sendmsg+0xee/0x170 [ 474.284947][ T73] __sys_sendmsg+0xcd/0x170 [ 474.284947][ T73] do_syscall_64+0xc6/0x1e0 [ 474.284947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.284947][ T73] [ 474.287214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 474.287214][ T73] netdev_get_by_index+0x5e/0x80 [ 474.287214][ T73] fib6_nh_init+0x3d8/0x1580 [ 474.287214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 474.287214][ T73] ip6_route_add+0x1c/0x140 [ 474.287214][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 474.287214][ T73] addrconf_add_dev+0xe2/0x170 [ 474.287214][ T73] inet6_addr_add+0x12f/0xa40 [ 474.287214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 474.287214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.287214][ T73] netlink_rcv_skb+0x130/0x360 [ 474.287214][ T73] netlink_unicast+0x449/0x710 [ 474.287214][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.287214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.287214][ T73] ___sys_sendmsg+0xee/0x170 [ 474.287214][ T73] __sys_sendmsg+0xcd/0x170 [ 474.287214][ T73] do_syscall_64+0xc6/0x1e0 [ 474.287214][ T73] [ 474.289459][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 474.289459][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 474.289459][ T73] ipv6_find_idev+0x102/0x170 [ 474.289459][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.289459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.289459][ T73] netlink_rcv_skb+0x130/0x360 [ 474.289459][ T73] netlink_unicast+0x449/0x710 [ 474.289459][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.289459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.289459][ T73] ___sys_sendmsg+0xee/0x170 [ 474.289459][ T73] __sys_sendmsg+0xcd/0x170 [ 474.289459][ T73] do_syscall_64+0xc6/0x1e0 [ 474.289459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.289459][ T73] [ 474.291203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 474.291203][ T73] neigh_parms_alloc+0x1e5/0x510 [ 474.291203][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 474.291203][ T73] ipv6_find_idev+0x102/0x170 [ 474.291203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 474.291203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 474.291203][ T73] netlink_rcv_skb+0x130/0x360 [ 474.291203][ T73] netlink_unicast+0x449/0x710 [ 474.291203][ T73] netlink_sendmsg+0x723/0xbe0 [ 474.291203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 474.291203][ T73] ___sys_sendmsg+0xee/0x170 [ 474.291203][ T73] __sys_sendmsg+0xcd/0x170 [ 474.291203][ T73] do_syscall_64+0xc6/0x1e0 [ 474.291203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 474.291203][ T73] [ 484.422892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 484.423400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.423400][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 484.423400][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 484.423400][ T73] fib6_nh_init+0xa22/0x1580 [ 484.423400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.423400][ T73] ip6_route_add+0x1c/0x140 [ 484.423400][ T73] inet6_rtm_newroute+0x104/0x110 [ 484.423400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.423400][ T73] netlink_rcv_skb+0x130/0x360 [ 484.423400][ T73] netlink_unicast+0x449/0x710 [ 484.423400][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.423400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.423400][ T73] ___sys_sendmsg+0xee/0x170 [ 484.423400][ T73] __sys_sendmsg+0xcd/0x170 [ 484.423400][ T73] do_syscall_64+0xc6/0x1e0 [ 484.423400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.423400][ T73] [ 484.425352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.425352][ T73] dst_init+0x84/0x4a0 [ 484.425352][ T73] dst_alloc+0x97/0x150 [ 484.425352][ T73] ip6_dst_alloc+0x23/0x90 [ 484.425352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 484.425352][ T73] ip6_pol_route+0x56f/0x840 [ 484.425352][ T73] fib6_rule_lookup+0x456/0x630 [ 484.425352][ T73] ip6_route_input+0x59c/0xa50 [ 484.425352][ T73] ipv6_rcv+0x397/0x810 [ 484.425352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 484.425352][ T73] process_backlog+0x101/0x620 [ 484.425352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 484.425352][ T73] net_rx_action+0x495/0xbe0 [ 484.425352][ T73] __do_softirq+0x1b5/0x7f6 [ 484.425352][ T73] [ 484.426987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.426987][ T73] netdev_get_by_index+0x5e/0x80 [ 484.426987][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.426987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.426987][ T73] ip6_route_add+0x1c/0x140 [ 484.426987][ T73] addrconf_prefix_route+0x2a6/0x430 [ 484.426987][ T73] inet6_addr_add+0x4f8/0xa40 [ 484.426987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.426987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.426987][ T73] netlink_rcv_skb+0x130/0x360 [ 484.426987][ T73] netlink_unicast+0x449/0x710 [ 484.426987][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.426987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.426987][ T73] ___sys_sendmsg+0xee/0x170 [ 484.426987][ T73] __sys_sendmsg+0xcd/0x170 [ 484.426987][ T73] do_syscall_64+0xc6/0x1e0 [ 484.426987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.426987][ T73] [ 484.428987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.428987][ T73] netdev_get_by_index+0x5e/0x80 [ 484.428987][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.428987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.428987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 484.428987][ T73] ipv6_add_addr+0x411/0x2000 [ 484.428987][ T73] inet6_addr_add+0x30e/0xa40 [ 484.428987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.428987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.428987][ T73] netlink_rcv_skb+0x130/0x360 [ 484.428987][ T73] netlink_unicast+0x449/0x710 [ 484.428987][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.428987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.428987][ T73] ___sys_sendmsg+0xee/0x170 [ 484.428987][ T73] __sys_sendmsg+0xcd/0x170 [ 484.428987][ T73] do_syscall_64+0xc6/0x1e0 [ 484.428987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.428987][ T73] [ 484.430963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.430963][ T73] netdev_get_by_index+0x5e/0x80 [ 484.430963][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.430963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.430963][ T73] ip6_route_add+0x1c/0x140 [ 484.430963][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 484.430963][ T73] addrconf_add_dev+0xe2/0x170 [ 484.430963][ T73] inet6_addr_add+0x12f/0xa40 [ 484.430963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.430963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.430963][ T73] netlink_rcv_skb+0x130/0x360 [ 484.430963][ T73] netlink_unicast+0x449/0x710 [ 484.430963][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.430963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.430963][ T73] ___sys_sendmsg+0xee/0x170 [ 484.430963][ T73] __sys_sendmsg+0xcd/0x170 [ 484.430963][ T73] do_syscall_64+0xc6/0x1e0 [ 484.430963][ T73] [ 484.432934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.432934][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 484.432934][ T73] ipv6_find_idev+0x102/0x170 [ 484.432934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.432934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.432934][ T73] netlink_rcv_skb+0x130/0x360 [ 484.432934][ T73] netlink_unicast+0x449/0x710 [ 484.432934][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.432934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.432934][ T73] ___sys_sendmsg+0xee/0x170 [ 484.432934][ T73] __sys_sendmsg+0xcd/0x170 [ 484.432934][ T73] do_syscall_64+0xc6/0x1e0 [ 484.432934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.432934][ T73] [ 484.434473][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 484.434473][ T73] neigh_parms_alloc+0x1e5/0x510 [ 484.434473][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 484.434473][ T73] ipv6_find_idev+0x102/0x170 [ 484.434473][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.434473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.434473][ T73] netlink_rcv_skb+0x130/0x360 [ 484.434473][ T73] netlink_unicast+0x449/0x710 [ 484.434473][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.434473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.434473][ T73] ___sys_sendmsg+0xee/0x170 [ 484.434473][ T73] __sys_sendmsg+0xcd/0x170 [ 484.434473][ T73] do_syscall_64+0xc6/0x1e0 [ 484.434473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.434473][ T73] [ 484.436698][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 484.437191][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.437191][ T73] dst_init+0x84/0x4a0 [ 484.437191][ T73] dst_alloc+0x97/0x150 [ 484.437191][ T73] ip6_dst_alloc+0x23/0x90 [ 484.437191][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 484.437191][ T73] ip6_pol_route+0x56f/0x840 [ 484.437191][ T73] fib6_rule_lookup+0x456/0x630 [ 484.437191][ T73] ip6_route_input+0x59c/0xa50 [ 484.437191][ T73] ipv6_rcv+0x397/0x810 [ 484.437191][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 484.437191][ T73] process_backlog+0x101/0x620 [ 484.437191][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 484.437191][ T73] net_rx_action+0x495/0xbe0 [ 484.437191][ T73] __do_softirq+0x1b5/0x7f6 [ 484.437191][ T73] [ 484.439822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.439822][ T73] netdev_get_by_index+0x5e/0x80 [ 484.439822][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.439822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.439822][ T73] addrconf_f6i_alloc+0x265/0x560 [ 484.439822][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 484.439822][ T73] addrconf_join_anycast+0x1c0/0x220 [ 484.439822][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 484.439822][ T73] addrconf_dad_completed+0x12b/0xe20 [ 484.439822][ T73] addrconf_dad_begin+0x310/0x670 [ 484.439822][ T73] addrconf_dad_work+0x10b/0xab0 [ 484.439822][ T73] process_one_work+0x84d/0x18a0 [ 484.439822][ T73] worker_thread+0x587/0xd30 [ 484.439822][ T73] kthread+0x28a/0x350 [ 484.439822][ T73] ret_from_fork+0x31/0x70 [ 484.439822][ T73] ret_from_fork_asm+0x1a/0x30 [ 484.439822][ T73] [ 484.442907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.442907][ T73] netdev_get_by_index+0x5e/0x80 [ 484.442907][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.442907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.442907][ T73] ip6_route_add+0x1c/0x140 [ 484.442907][ T73] addrconf_prefix_route+0x2a6/0x430 [ 484.442907][ T73] inet6_addr_add+0x4f8/0xa40 [ 484.442907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.442907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.442907][ T73] netlink_rcv_skb+0x130/0x360 [ 484.442907][ T73] netlink_unicast+0x449/0x710 [ 484.442907][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.442907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.442907][ T73] ___sys_sendmsg+0xee/0x170 [ 484.442907][ T73] __sys_sendmsg+0xcd/0x170 [ 484.442907][ T73] do_syscall_64+0xc6/0x1e0 [ 484.442907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.442907][ T73] [ 484.446102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.446102][ T73] netdev_get_by_index+0x5e/0x80 [ 484.446102][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.446102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.446102][ T73] addrconf_f6i_alloc+0x315/0x560 [ 484.446102][ T73] ipv6_add_addr+0x411/0x2000 [ 484.446102][ T73] inet6_addr_add+0x30e/0xa40 [ 484.446102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.446102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.446102][ T73] netlink_rcv_skb+0x130/0x360 [ 484.446102][ T73] netlink_unicast+0x449/0x710 [ 484.446102][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.446102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.446102][ T73] ___sys_sendmsg+0xee/0x170 [ 484.446102][ T73] __sys_sendmsg+0xcd/0x170 [ 484.446102][ T73] do_syscall_64+0xc6/0x1e0 [ 484.446102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.446102][ T73] [ 484.449234][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.449234][ T73] netdev_get_by_index+0x5e/0x80 [ 484.449234][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.449234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.449234][ T73] ip6_route_add+0x1c/0x140 [ 484.449234][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 484.449234][ T73] addrconf_add_dev+0xe2/0x170 [ 484.449234][ T73] inet6_addr_add+0x12f/0xa40 [ 484.449234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.449234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.449234][ T73] netlink_rcv_skb+0x130/0x360 [ 484.449234][ T73] netlink_unicast+0x449/0x710 [ 484.449234][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.449234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.449234][ T73] ___sys_sendmsg+0xee/0x170 [ 484.449234][ T73] __sys_sendmsg+0xcd/0x170 [ 484.449234][ T73] do_syscall_64+0xc6/0x1e0 [ 484.449234][ T73] [ 484.452303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.452303][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 484.452303][ T73] ipv6_find_idev+0x102/0x170 [ 484.452303][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.452303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.452303][ T73] netlink_rcv_skb+0x130/0x360 [ 484.452303][ T73] netlink_unicast+0x449/0x710 [ 484.452303][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.452303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.452303][ T73] ___sys_sendmsg+0xee/0x170 [ 484.452303][ T73] __sys_sendmsg+0xcd/0x170 [ 484.452303][ T73] do_syscall_64+0xc6/0x1e0 [ 484.452303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.452303][ T73] [ 484.454731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 484.454731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 484.454731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 484.454731][ T73] ipv6_find_idev+0x102/0x170 [ 484.454731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.454731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.454731][ T73] netlink_rcv_skb+0x130/0x360 [ 484.454731][ T73] netlink_unicast+0x449/0x710 [ 484.454731][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.454731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.454731][ T73] ___sys_sendmsg+0xee/0x170 [ 484.454731][ T73] __sys_sendmsg+0xcd/0x170 [ 484.454731][ T73] do_syscall_64+0xc6/0x1e0 [ 484.454731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.454731][ T73] [ 484.457615][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 484.458068][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.458068][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 484.458068][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 484.458068][ T73] fib6_nh_init+0xa22/0x1580 [ 484.458068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.458068][ T73] ip6_route_add+0x1c/0x140 [ 484.458068][ T73] inet6_rtm_newroute+0x104/0x110 [ 484.458068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.458068][ T73] netlink_rcv_skb+0x130/0x360 [ 484.458068][ T73] netlink_unicast+0x449/0x710 [ 484.458068][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.458068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.458068][ T73] ___sys_sendmsg+0xee/0x170 [ 484.458068][ T73] __sys_sendmsg+0xcd/0x170 [ 484.458068][ T73] do_syscall_64+0xc6/0x1e0 [ 484.458068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.458068][ T73] [ 484.461450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.461450][ T73] dst_init+0x84/0x4a0 [ 484.461450][ T73] dst_alloc+0x97/0x150 [ 484.461450][ T73] ip6_dst_alloc+0x23/0x90 [ 484.461450][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 484.461450][ T73] ip6_pol_route+0x56f/0x840 [ 484.461450][ T73] fib6_rule_lookup+0x456/0x630 [ 484.461450][ T73] ip6_route_input+0x59c/0xa50 [ 484.461450][ T73] ipv6_rcv+0x397/0x810 [ 484.461450][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 484.461450][ T73] process_backlog+0x101/0x620 [ 484.461450][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 484.461450][ T73] net_rx_action+0x495/0xbe0 [ 484.461450][ T73] __do_softirq+0x1b5/0x7f6 [ 484.461450][ T73] [ 484.464297][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.464297][ T73] netdev_get_by_index+0x5e/0x80 [ 484.464297][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.464297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.464297][ T73] ip6_route_add+0x1c/0x140 [ 484.464297][ T73] addrconf_prefix_route+0x2a6/0x430 [ 484.464297][ T73] inet6_addr_add+0x4f8/0xa40 [ 484.464297][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.464297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.464297][ T73] netlink_rcv_skb+0x130/0x360 [ 484.464297][ T73] netlink_unicast+0x449/0x710 [ 484.464297][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.464297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.464297][ T73] ___sys_sendmsg+0xee/0x170 [ 484.464297][ T73] __sys_sendmsg+0xcd/0x170 [ 484.464297][ T73] do_syscall_64+0xc6/0x1e0 [ 484.464297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.464297][ T73] [ 484.467848][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.467848][ T73] netdev_get_by_index+0x5e/0x80 [ 484.467848][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.467848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.467848][ T73] addrconf_f6i_alloc+0x315/0x560 [ 484.467848][ T73] ipv6_add_addr+0x411/0x2000 [ 484.467848][ T73] inet6_addr_add+0x30e/0xa40 [ 484.467848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.467848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.467848][ T73] netlink_rcv_skb+0x130/0x360 [ 484.467848][ T73] netlink_unicast+0x449/0x710 [ 484.467848][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.467848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.467848][ T73] ___sys_sendmsg+0xee/0x170 [ 484.467848][ T73] __sys_sendmsg+0xcd/0x170 [ 484.467848][ T73] do_syscall_64+0xc6/0x1e0 [ 484.467848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.467848][ T73] [ 484.471499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.471499][ T73] netdev_get_by_index+0x5e/0x80 [ 484.471499][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.471499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.471499][ T73] ip6_route_add+0x1c/0x140 [ 484.471499][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 484.471499][ T73] addrconf_add_dev+0xe2/0x170 [ 484.471499][ T73] inet6_addr_add+0x12f/0xa40 [ 484.471499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.471499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.471499][ T73] netlink_rcv_skb+0x130/0x360 [ 484.471499][ T73] netlink_unicast+0x449/0x710 [ 484.471499][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.471499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.471499][ T73] ___sys_sendmsg+0xee/0x170 [ 484.471499][ T73] __sys_sendmsg+0xcd/0x170 [ 484.471499][ T73] do_syscall_64+0xc6/0x1e0 [ 484.471499][ T73] [ 484.474877][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.474877][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 484.474877][ T73] ipv6_find_idev+0x102/0x170 [ 484.474877][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.474877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.474877][ T73] netlink_rcv_skb+0x130/0x360 [ 484.474877][ T73] netlink_unicast+0x449/0x710 [ 484.474877][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.474877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.474877][ T73] ___sys_sendmsg+0xee/0x170 [ 484.474877][ T73] __sys_sendmsg+0xcd/0x170 [ 484.474877][ T73] do_syscall_64+0xc6/0x1e0 [ 484.474877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.474877][ T73] [ 484.477592][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 484.477592][ T73] neigh_parms_alloc+0x1e5/0x510 [ 484.477592][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 484.477592][ T73] ipv6_find_idev+0x102/0x170 [ 484.477592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.477592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.477592][ T73] netlink_rcv_skb+0x130/0x360 [ 484.477592][ T73] netlink_unicast+0x449/0x710 [ 484.477592][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.477592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.477592][ T73] ___sys_sendmsg+0xee/0x170 [ 484.477592][ T73] __sys_sendmsg+0xcd/0x170 [ 484.477592][ T73] do_syscall_64+0xc6/0x1e0 [ 484.477592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.477592][ T73] [ 484.480696][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 484.481270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 484.481270][ T73] netdev_get_by_index+0x5e/0x80 [ 484.481270][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.481270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.481270][ T73] addrconf_f6i_alloc+0x265/0x560 [ 484.481270][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 484.481270][ T73] addrconf_join_anycast+0x1c0/0x220 [ 484.481270][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 484.481270][ T73] addrconf_dad_completed+0x12b/0xe20 [ 484.481270][ T73] addrconf_dad_begin+0x310/0x670 [ 484.481270][ T73] addrconf_dad_work+0x10b/0xab0 [ 484.481270][ T73] process_one_work+0x84d/0x18a0 [ 484.481270][ T73] worker_thread+0x587/0xd30 [ 484.481270][ T73] kthread+0x28a/0x350 [ 484.481270][ T73] ret_from_fork+0x31/0x70 [ 484.481270][ T73] ret_from_fork_asm+0x1a/0x30 [ 484.481270][ T73] [ 484.484627][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 484.484627][ T73] netdev_get_by_index+0x5e/0x80 [ 484.484627][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.484627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.484627][ T73] ip6_route_add+0x1c/0x140 [ 484.484627][ T73] addrconf_prefix_route+0x2a6/0x430 [ 484.484627][ T73] inet6_addr_add+0x4f8/0xa40 [ 484.484627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.484627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.484627][ T73] netlink_rcv_skb+0x130/0x360 [ 484.484627][ T73] netlink_unicast+0x449/0x710 [ 484.484627][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.484627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.484627][ T73] ___sys_sendmsg+0xee/0x170 [ 484.484627][ T73] __sys_sendmsg+0xcd/0x170 [ 484.484627][ T73] do_syscall_64+0xc6/0x1e0 [ 484.484627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.484627][ T73] [ 484.488293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 484.488293][ T73] netdev_get_by_index+0x5e/0x80 [ 484.488293][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.488293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.488293][ T73] addrconf_f6i_alloc+0x315/0x560 [ 484.488293][ T73] ipv6_add_addr+0x411/0x2000 [ 484.488293][ T73] inet6_addr_add+0x30e/0xa40 [ 484.488293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.488293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.488293][ T73] netlink_rcv_skb+0x130/0x360 [ 484.488293][ T73] netlink_unicast+0x449/0x710 [ 484.488293][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.488293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.488293][ T73] ___sys_sendmsg+0xee/0x170 [ 484.488293][ T73] __sys_sendmsg+0xcd/0x170 [ 484.488293][ T73] do_syscall_64+0xc6/0x1e0 [ 484.488293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.488293][ T73] [ 484.491859][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 484.491859][ T73] netdev_get_by_index+0x5e/0x80 [ 484.491859][ T73] fib6_nh_init+0x3d8/0x1580 [ 484.491859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 484.491859][ T73] ip6_route_add+0x1c/0x140 [ 484.491859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 484.491859][ T73] addrconf_add_dev+0xe2/0x170 [ 484.491859][ T73] inet6_addr_add+0x12f/0xa40 [ 484.491859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 484.491859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.491859][ T73] netlink_rcv_skb+0x130/0x360 [ 484.491859][ T73] netlink_unicast+0x449/0x710 [ 484.491859][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.491859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.491859][ T73] ___sys_sendmsg+0xee/0x170 [ 484.491859][ T73] __sys_sendmsg+0xcd/0x170 [ 484.491859][ T73] do_syscall_64+0xc6/0x1e0 [ 484.491859][ T73] [ 484.495388][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 484.495388][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 484.495388][ T73] ipv6_find_idev+0x102/0x170 [ 484.495388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.495388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.495388][ T73] netlink_rcv_skb+0x130/0x360 [ 484.495388][ T73] netlink_unicast+0x449/0x710 [ 484.495388][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.495388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.495388][ T73] ___sys_sendmsg+0xee/0x170 [ 484.495388][ T73] __sys_sendmsg+0xcd/0x170 [ 484.495388][ T73] do_syscall_64+0xc6/0x1e0 [ 484.495388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.495388][ T73] [ 484.498171][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 484.498171][ T73] neigh_parms_alloc+0x1e5/0x510 [ 484.498171][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 484.498171][ T73] ipv6_find_idev+0x102/0x170 [ 484.498171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.498171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.498171][ T73] netlink_rcv_skb+0x130/0x360 [ 484.498171][ T73] netlink_unicast+0x449/0x710 [ 484.498171][ T73] netlink_sendmsg+0x723/0xbe0 [ 484.498171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 484.498171][ T73] ___sys_sendmsg+0xee/0x170 [ 484.498171][ T73] __sys_sendmsg+0xcd/0x170 [ 484.498171][ T73] do_syscall_64+0xc6/0x1e0 [ 484.498171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.498171][ T73] [ 492.838905][ T42] INFO: task modprobe:887 blocked for more than 245 seconds. [ 492.839212][ T42] Not tainted 6.8.0-virtme #1 [ 492.839328][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.839525][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 492.839811][ T42] Call Trace: [ 492.839910][ T42] [ 492.839980][ T42] __schedule+0x705/0x1ac0 [ 492.840116][ T42] ? __pfx___schedule+0x10/0x10 [ 492.840249][ T42] ? schedule+0x1a5/0x210 [ 492.840347][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.840477][ T42] ? mark_lock+0x38/0x3e0 [ 492.840570][ T42] ? do_raw_spin_lock+0x131/0x270 [ 492.840703][ T42] ? schedule+0x1a5/0x210 [ 492.840818][ T42] schedule+0xdf/0x210 [ 492.840913][ T42] schedule_preempt_disabled+0x15/0x30 [ 492.841034][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 492.841162][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 492.841319][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.841447][ T42] ? lock_acquire+0x1c1/0x220 [ 492.841572][ T42] ? register_pernet_subsys+0x1a/0x50 [ 492.841713][ T42] down_write+0x1c9/0x200 [ 492.841819][ T42] ? __pfx_down_write+0x10/0x10 [ 492.841944][ T42] ? __lock_release+0x103/0x460 [ 492.842070][ T42] ? __create_object+0x5e/0xb0 [ 492.842201][ T42] ? __pfx___lock_release+0x10/0x10 [ 492.842331][ T42] register_pernet_subsys+0x1a/0x50 [ 492.842455][ T42] tcf_register_action+0xa3/0x600 [ 492.842579][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 492.842741][ T42] do_one_initcall+0xc8/0x3f0 [ 492.842876][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 492.843011][ T42] ? __create_object+0x5e/0xb0 [ 492.843140][ T42] ? kasan_unpoison+0x27/0x60 [ 492.843269][ T42] do_init_module+0x233/0x740 [ 492.843408][ T42] load_module+0x16b5/0x2350 [ 492.843546][ T42] ? __pfx_load_module+0x10/0x10 [ 492.843671][ T42] ? kernel_read_file+0x3d2/0x520 [ 492.843825][ T42] ? kernel_read_file+0x300/0x520 [ 492.843953][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 492.844090][ T42] ? init_module_from_file+0xd2/0x130 [ 492.844211][ T42] init_module_from_file+0xd2/0x130 [ 492.844334][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 492.844485][ T42] ? __lock_release+0x103/0x460 [ 492.844611][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.844744][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.844881][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 492.845006][ T42] idempotent_init_module+0x342/0x620 [ 492.845131][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 492.845303][ T42] __x64_sys_finit_module+0xbe/0x130 [ 492.845428][ T42] do_syscall_64+0xc6/0x1e0 [ 492.845556][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.845719][ T42] RIP: 0033:0x7f929d278e5d [ 492.845852][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 492.846039][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 492.846220][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 492.846408][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 492.846587][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 492.846787][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 492.846981][ T42] [ 492.847074][ T42] [ 492.847074][ T42] Showing all locks held in the system: [ 492.847253][ T42] 2 locks held by kworker/u18:0/37: [ 492.847375][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.847624][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.847921][ T42] 1 lock held by khungtaskd/42: [ 492.848056][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 492.848296][ T42] 3 locks held by kworker/u16:1/73: [ 492.848416][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.848659][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.848891][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 492.849113][ T42] 1 lock held by modprobe/887: [ 492.849229][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 492.849474][ T42] [ 492.849537][ T42] ============================================= [ 492.849537][ T42] [ 494.742935][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 494.743442][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.743442][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 494.743442][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 494.743442][ T73] fib6_nh_init+0xa22/0x1580 [ 494.743442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.743442][ T73] ip6_route_add+0x1c/0x140 [ 494.743442][ T73] inet6_rtm_newroute+0x104/0x110 [ 494.743442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.743442][ T73] netlink_rcv_skb+0x130/0x360 [ 494.743442][ T73] netlink_unicast+0x449/0x710 [ 494.743442][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.743442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.743442][ T73] ___sys_sendmsg+0xee/0x170 [ 494.743442][ T73] __sys_sendmsg+0xcd/0x170 [ 494.743442][ T73] do_syscall_64+0xc6/0x1e0 [ 494.743442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.743442][ T73] [ 494.745362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.745362][ T73] dst_init+0x84/0x4a0 [ 494.745362][ T73] dst_alloc+0x97/0x150 [ 494.745362][ T73] ip6_dst_alloc+0x23/0x90 [ 494.745362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 494.745362][ T73] ip6_pol_route+0x56f/0x840 [ 494.745362][ T73] fib6_rule_lookup+0x456/0x630 [ 494.745362][ T73] ip6_route_input+0x59c/0xa50 [ 494.745362][ T73] ipv6_rcv+0x397/0x810 [ 494.745362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 494.745362][ T73] process_backlog+0x101/0x620 [ 494.745362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 494.745362][ T73] net_rx_action+0x495/0xbe0 [ 494.745362][ T73] __do_softirq+0x1b5/0x7f6 [ 494.745362][ T73] [ 494.747010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.747010][ T73] netdev_get_by_index+0x5e/0x80 [ 494.747010][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.747010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.747010][ T73] ip6_route_add+0x1c/0x140 [ 494.747010][ T73] addrconf_prefix_route+0x2a6/0x430 [ 494.747010][ T73] inet6_addr_add+0x4f8/0xa40 [ 494.747010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.747010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.747010][ T73] netlink_rcv_skb+0x130/0x360 [ 494.747010][ T73] netlink_unicast+0x449/0x710 [ 494.747010][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.747010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.747010][ T73] ___sys_sendmsg+0xee/0x170 [ 494.747010][ T73] __sys_sendmsg+0xcd/0x170 [ 494.747010][ T73] do_syscall_64+0xc6/0x1e0 [ 494.747010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.747010][ T73] [ 494.749016][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.749016][ T73] netdev_get_by_index+0x5e/0x80 [ 494.749016][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.749016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.749016][ T73] addrconf_f6i_alloc+0x315/0x560 [ 494.749016][ T73] ipv6_add_addr+0x411/0x2000 [ 494.749016][ T73] inet6_addr_add+0x30e/0xa40 [ 494.749016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.749016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.749016][ T73] netlink_rcv_skb+0x130/0x360 [ 494.749016][ T73] netlink_unicast+0x449/0x710 [ 494.749016][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.749016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.749016][ T73] ___sys_sendmsg+0xee/0x170 [ 494.749016][ T73] __sys_sendmsg+0xcd/0x170 [ 494.749016][ T73] do_syscall_64+0xc6/0x1e0 [ 494.749016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.749016][ T73] [ 494.751008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.751008][ T73] netdev_get_by_index+0x5e/0x80 [ 494.751008][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.751008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.751008][ T73] ip6_route_add+0x1c/0x140 [ 494.751008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 494.751008][ T73] addrconf_add_dev+0xe2/0x170 [ 494.751008][ T73] inet6_addr_add+0x12f/0xa40 [ 494.751008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.751008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.751008][ T73] netlink_rcv_skb+0x130/0x360 [ 494.751008][ T73] netlink_unicast+0x449/0x710 [ 494.751008][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.751008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.751008][ T73] ___sys_sendmsg+0xee/0x170 [ 494.751008][ T73] __sys_sendmsg+0xcd/0x170 [ 494.751008][ T73] do_syscall_64+0xc6/0x1e0 [ 494.751008][ T73] [ 494.752964][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.752964][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 494.752964][ T73] ipv6_find_idev+0x102/0x170 [ 494.752964][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.752964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.752964][ T73] netlink_rcv_skb+0x130/0x360 [ 494.752964][ T73] netlink_unicast+0x449/0x710 [ 494.752964][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.752964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.752964][ T73] ___sys_sendmsg+0xee/0x170 [ 494.752964][ T73] __sys_sendmsg+0xcd/0x170 [ 494.752964][ T73] do_syscall_64+0xc6/0x1e0 [ 494.752964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.752964][ T73] [ 494.754506][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 494.754506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 494.754506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 494.754506][ T73] ipv6_find_idev+0x102/0x170 [ 494.754506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.754506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.754506][ T73] netlink_rcv_skb+0x130/0x360 [ 494.754506][ T73] netlink_unicast+0x449/0x710 [ 494.754506][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.754506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.754506][ T73] ___sys_sendmsg+0xee/0x170 [ 494.754506][ T73] __sys_sendmsg+0xcd/0x170 [ 494.754506][ T73] do_syscall_64+0xc6/0x1e0 [ 494.754506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.754506][ T73] [ 494.756227][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 494.756514][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.756514][ T73] dst_init+0x84/0x4a0 [ 494.756514][ T73] dst_alloc+0x97/0x150 [ 494.756514][ T73] ip6_dst_alloc+0x23/0x90 [ 494.756514][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 494.756514][ T73] ip6_pol_route+0x56f/0x840 [ 494.756514][ T73] fib6_rule_lookup+0x456/0x630 [ 494.756514][ T73] ip6_route_input+0x59c/0xa50 [ 494.756514][ T73] ipv6_rcv+0x397/0x810 [ 494.756514][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 494.756514][ T73] process_backlog+0x101/0x620 [ 494.756514][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 494.756514][ T73] net_rx_action+0x495/0xbe0 [ 494.756514][ T73] __do_softirq+0x1b5/0x7f6 [ 494.756514][ T73] [ 494.758156][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.758156][ T73] netdev_get_by_index+0x5e/0x80 [ 494.758156][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.758156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.758156][ T73] addrconf_f6i_alloc+0x265/0x560 [ 494.758156][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 494.758156][ T73] addrconf_join_anycast+0x1c0/0x220 [ 494.758156][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 494.758156][ T73] addrconf_dad_completed+0x12b/0xe20 [ 494.758156][ T73] addrconf_dad_begin+0x310/0x670 [ 494.758156][ T73] addrconf_dad_work+0x10b/0xab0 [ 494.758156][ T73] process_one_work+0x84d/0x18a0 [ 494.758156][ T73] worker_thread+0x587/0xd30 [ 494.758156][ T73] kthread+0x28a/0x350 [ 494.758156][ T73] ret_from_fork+0x31/0x70 [ 494.758156][ T73] ret_from_fork_asm+0x1a/0x30 [ 494.758156][ T73] [ 494.760051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.760051][ T73] netdev_get_by_index+0x5e/0x80 [ 494.760051][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.760051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.760051][ T73] ip6_route_add+0x1c/0x140 [ 494.760051][ T73] addrconf_prefix_route+0x2a6/0x430 [ 494.760051][ T73] inet6_addr_add+0x4f8/0xa40 [ 494.760051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.760051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.760051][ T73] netlink_rcv_skb+0x130/0x360 [ 494.760051][ T73] netlink_unicast+0x449/0x710 [ 494.760051][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.760051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.760051][ T73] ___sys_sendmsg+0xee/0x170 [ 494.760051][ T73] __sys_sendmsg+0xcd/0x170 [ 494.760051][ T73] do_syscall_64+0xc6/0x1e0 [ 494.760051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.760051][ T73] [ 494.762040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.762040][ T73] netdev_get_by_index+0x5e/0x80 [ 494.762040][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.762040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.762040][ T73] addrconf_f6i_alloc+0x315/0x560 [ 494.762040][ T73] ipv6_add_addr+0x411/0x2000 [ 494.762040][ T73] inet6_addr_add+0x30e/0xa40 [ 494.762040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.762040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.762040][ T73] netlink_rcv_skb+0x130/0x360 [ 494.762040][ T73] netlink_unicast+0x449/0x710 [ 494.762040][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.762040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.762040][ T73] ___sys_sendmsg+0xee/0x170 [ 494.762040][ T73] __sys_sendmsg+0xcd/0x170 [ 494.762040][ T73] do_syscall_64+0xc6/0x1e0 [ 494.762040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.762040][ T73] [ 494.764056][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.764056][ T73] netdev_get_by_index+0x5e/0x80 [ 494.764056][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.764056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.764056][ T73] ip6_route_add+0x1c/0x140 [ 494.764056][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 494.764056][ T73] addrconf_add_dev+0xe2/0x170 [ 494.764056][ T73] inet6_addr_add+0x12f/0xa40 [ 494.764056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.764056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.764056][ T73] netlink_rcv_skb+0x130/0x360 [ 494.764056][ T73] netlink_unicast+0x449/0x710 [ 494.764056][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.764056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.764056][ T73] ___sys_sendmsg+0xee/0x170 [ 494.764056][ T73] __sys_sendmsg+0xcd/0x170 [ 494.764056][ T73] do_syscall_64+0xc6/0x1e0 [ 494.764056][ T73] [ 494.766047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.766047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 494.766047][ T73] ipv6_find_idev+0x102/0x170 [ 494.766047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.766047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.766047][ T73] netlink_rcv_skb+0x130/0x360 [ 494.766047][ T73] netlink_unicast+0x449/0x710 [ 494.766047][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.766047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.766047][ T73] ___sys_sendmsg+0xee/0x170 [ 494.766047][ T73] __sys_sendmsg+0xcd/0x170 [ 494.766047][ T73] do_syscall_64+0xc6/0x1e0 [ 494.766047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.766047][ T73] [ 494.767574][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 494.767574][ T73] neigh_parms_alloc+0x1e5/0x510 [ 494.767574][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 494.767574][ T73] ipv6_find_idev+0x102/0x170 [ 494.767574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.767574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.767574][ T73] netlink_rcv_skb+0x130/0x360 [ 494.767574][ T73] netlink_unicast+0x449/0x710 [ 494.767574][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.767574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.767574][ T73] ___sys_sendmsg+0xee/0x170 [ 494.767574][ T73] __sys_sendmsg+0xcd/0x170 [ 494.767574][ T73] do_syscall_64+0xc6/0x1e0 [ 494.767574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.767574][ T73] [ 494.769422][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 494.769717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.769717][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 494.769717][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 494.769717][ T73] fib6_nh_init+0xa22/0x1580 [ 494.769717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.769717][ T73] ip6_route_add+0x1c/0x140 [ 494.769717][ T73] inet6_rtm_newroute+0x104/0x110 [ 494.769717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.769717][ T73] netlink_rcv_skb+0x130/0x360 [ 494.769717][ T73] netlink_unicast+0x449/0x710 [ 494.769717][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.769717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.769717][ T73] ___sys_sendmsg+0xee/0x170 [ 494.769717][ T73] __sys_sendmsg+0xcd/0x170 [ 494.769717][ T73] do_syscall_64+0xc6/0x1e0 [ 494.769717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.769717][ T73] [ 494.771829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.771829][ T73] dst_init+0x84/0x4a0 [ 494.771829][ T73] dst_alloc+0x97/0x150 [ 494.771829][ T73] ip6_dst_alloc+0x23/0x90 [ 494.771829][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 494.771829][ T73] ip6_pol_route+0x56f/0x840 [ 494.771829][ T73] fib6_rule_lookup+0x456/0x630 [ 494.771829][ T73] ip6_route_input+0x59c/0xa50 [ 494.771829][ T73] ipv6_rcv+0x397/0x810 [ 494.771829][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 494.771829][ T73] process_backlog+0x101/0x620 [ 494.771829][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 494.771829][ T73] net_rx_action+0x495/0xbe0 [ 494.771829][ T73] __do_softirq+0x1b5/0x7f6 [ 494.771829][ T73] [ 494.773706][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.773706][ T73] netdev_get_by_index+0x5e/0x80 [ 494.773706][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.773706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.773706][ T73] ip6_route_add+0x1c/0x140 [ 494.773706][ T73] addrconf_prefix_route+0x2a6/0x430 [ 494.773706][ T73] inet6_addr_add+0x4f8/0xa40 [ 494.773706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.773706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.773706][ T73] netlink_rcv_skb+0x130/0x360 [ 494.773706][ T73] netlink_unicast+0x449/0x710 [ 494.773706][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.773706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.773706][ T73] ___sys_sendmsg+0xee/0x170 [ 494.773706][ T73] __sys_sendmsg+0xcd/0x170 [ 494.773706][ T73] do_syscall_64+0xc6/0x1e0 [ 494.773706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.773706][ T73] [ 494.775929][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.775929][ T73] netdev_get_by_index+0x5e/0x80 [ 494.775929][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.775929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.775929][ T73] addrconf_f6i_alloc+0x315/0x560 [ 494.775929][ T73] ipv6_add_addr+0x411/0x2000 [ 494.775929][ T73] inet6_addr_add+0x30e/0xa40 [ 494.775929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.775929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.775929][ T73] netlink_rcv_skb+0x130/0x360 [ 494.775929][ T73] netlink_unicast+0x449/0x710 [ 494.775929][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.775929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.775929][ T73] ___sys_sendmsg+0xee/0x170 [ 494.775929][ T73] __sys_sendmsg+0xcd/0x170 [ 494.775929][ T73] do_syscall_64+0xc6/0x1e0 [ 494.775929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.775929][ T73] [ 494.778112][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.778112][ T73] netdev_get_by_index+0x5e/0x80 [ 494.778112][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.778112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.778112][ T73] ip6_route_add+0x1c/0x140 [ 494.778112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 494.778112][ T73] addrconf_add_dev+0xe2/0x170 [ 494.778112][ T73] inet6_addr_add+0x12f/0xa40 [ 494.778112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.778112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.778112][ T73] netlink_rcv_skb+0x130/0x360 [ 494.778112][ T73] netlink_unicast+0x449/0x710 [ 494.778112][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.778112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.778112][ T73] ___sys_sendmsg+0xee/0x170 [ 494.778112][ T73] __sys_sendmsg+0xcd/0x170 [ 494.778112][ T73] do_syscall_64+0xc6/0x1e0 [ 494.778112][ T73] [ 494.780808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.780808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 494.780808][ T73] ipv6_find_idev+0x102/0x170 [ 494.780808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.780808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.780808][ T73] netlink_rcv_skb+0x130/0x360 [ 494.780808][ T73] netlink_unicast+0x449/0x710 [ 494.780808][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.780808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.780808][ T73] ___sys_sendmsg+0xee/0x170 [ 494.780808][ T73] __sys_sendmsg+0xcd/0x170 [ 494.780808][ T73] do_syscall_64+0xc6/0x1e0 [ 494.780808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.780808][ T73] [ 494.782596][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 494.782596][ T73] neigh_parms_alloc+0x1e5/0x510 [ 494.782596][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 494.782596][ T73] ipv6_find_idev+0x102/0x170 [ 494.782596][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.782596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.782596][ T73] netlink_rcv_skb+0x130/0x360 [ 494.782596][ T73] netlink_unicast+0x449/0x710 [ 494.782596][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.782596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.782596][ T73] ___sys_sendmsg+0xee/0x170 [ 494.782596][ T73] __sys_sendmsg+0xcd/0x170 [ 494.782596][ T73] do_syscall_64+0xc6/0x1e0 [ 494.782596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.782596][ T73] [ 494.784545][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 494.784830][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 494.784830][ T73] netdev_get_by_index+0x5e/0x80 [ 494.784830][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.784830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.784830][ T73] addrconf_f6i_alloc+0x265/0x560 [ 494.784830][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 494.784830][ T73] addrconf_join_anycast+0x1c0/0x220 [ 494.784830][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 494.784830][ T73] addrconf_dad_completed+0x12b/0xe20 [ 494.784830][ T73] addrconf_dad_begin+0x310/0x670 [ 494.784830][ T73] addrconf_dad_work+0x10b/0xab0 [ 494.784830][ T73] process_one_work+0x84d/0x18a0 [ 494.784830][ T73] worker_thread+0x587/0xd30 [ 494.784830][ T73] kthread+0x28a/0x350 [ 494.784830][ T73] ret_from_fork+0x31/0x70 [ 494.784830][ T73] ret_from_fork_asm+0x1a/0x30 [ 494.784830][ T73] [ 494.786971][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 494.786971][ T73] netdev_get_by_index+0x5e/0x80 [ 494.786971][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.786971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.786971][ T73] ip6_route_add+0x1c/0x140 [ 494.786971][ T73] addrconf_prefix_route+0x2a6/0x430 [ 494.786971][ T73] inet6_addr_add+0x4f8/0xa40 [ 494.786971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.786971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.786971][ T73] netlink_rcv_skb+0x130/0x360 [ 494.786971][ T73] netlink_unicast+0x449/0x710 [ 494.786971][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.786971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.786971][ T73] ___sys_sendmsg+0xee/0x170 [ 494.786971][ T73] __sys_sendmsg+0xcd/0x170 [ 494.786971][ T73] do_syscall_64+0xc6/0x1e0 [ 494.786971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.786971][ T73] [ 494.789208][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 494.789208][ T73] netdev_get_by_index+0x5e/0x80 [ 494.789208][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.789208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.789208][ T73] addrconf_f6i_alloc+0x315/0x560 [ 494.789208][ T73] ipv6_add_addr+0x411/0x2000 [ 494.789208][ T73] inet6_addr_add+0x30e/0xa40 [ 494.789208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.789208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.789208][ T73] netlink_rcv_skb+0x130/0x360 [ 494.789208][ T73] netlink_unicast+0x449/0x710 [ 494.789208][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.789208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.789208][ T73] ___sys_sendmsg+0xee/0x170 [ 494.789208][ T73] __sys_sendmsg+0xcd/0x170 [ 494.789208][ T73] do_syscall_64+0xc6/0x1e0 [ 494.789208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.789208][ T73] [ 494.791371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 494.791371][ T73] netdev_get_by_index+0x5e/0x80 [ 494.791371][ T73] fib6_nh_init+0x3d8/0x1580 [ 494.791371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 494.791371][ T73] ip6_route_add+0x1c/0x140 [ 494.791371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 494.791371][ T73] addrconf_add_dev+0xe2/0x170 [ 494.791371][ T73] inet6_addr_add+0x12f/0xa40 [ 494.791371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 494.791371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.791371][ T73] netlink_rcv_skb+0x130/0x360 [ 494.791371][ T73] netlink_unicast+0x449/0x710 [ 494.791371][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.791371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.791371][ T73] ___sys_sendmsg+0xee/0x170 [ 494.791371][ T73] __sys_sendmsg+0xcd/0x170 [ 494.791371][ T73] do_syscall_64+0xc6/0x1e0 [ 494.791371][ T73] [ 494.794032][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 494.794032][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 494.794032][ T73] ipv6_find_idev+0x102/0x170 [ 494.794032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.794032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.794032][ T73] netlink_rcv_skb+0x130/0x360 [ 494.794032][ T73] netlink_unicast+0x449/0x710 [ 494.794032][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.794032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.794032][ T73] ___sys_sendmsg+0xee/0x170 [ 494.794032][ T73] __sys_sendmsg+0xcd/0x170 [ 494.794032][ T73] do_syscall_64+0xc6/0x1e0 [ 494.794032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.794032][ T73] [ 494.795744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 494.795744][ T73] neigh_parms_alloc+0x1e5/0x510 [ 494.795744][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 494.795744][ T73] ipv6_find_idev+0x102/0x170 [ 494.795744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.795744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.795744][ T73] netlink_rcv_skb+0x130/0x360 [ 494.795744][ T73] netlink_unicast+0x449/0x710 [ 494.795744][ T73] netlink_sendmsg+0x723/0xbe0 [ 494.795744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 494.795744][ T73] ___sys_sendmsg+0xee/0x170 [ 494.795744][ T73] __sys_sendmsg+0xcd/0x170 [ 494.795744][ T73] do_syscall_64+0xc6/0x1e0 [ 494.795744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.795744][ T73] [ 505.038896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 505.039317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.039317][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 505.039317][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 505.039317][ T73] fib6_nh_init+0xa22/0x1580 [ 505.039317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.039317][ T73] ip6_route_add+0x1c/0x140 [ 505.039317][ T73] inet6_rtm_newroute+0x104/0x110 [ 505.039317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.039317][ T73] netlink_rcv_skb+0x130/0x360 [ 505.039317][ T73] netlink_unicast+0x449/0x710 [ 505.039317][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.039317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.039317][ T73] ___sys_sendmsg+0xee/0x170 [ 505.039317][ T73] __sys_sendmsg+0xcd/0x170 [ 505.039317][ T73] do_syscall_64+0xc6/0x1e0 [ 505.039317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.039317][ T73] [ 505.041238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.041238][ T73] dst_init+0x84/0x4a0 [ 505.041238][ T73] dst_alloc+0x97/0x150 [ 505.041238][ T73] ip6_dst_alloc+0x23/0x90 [ 505.041238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 505.041238][ T73] ip6_pol_route+0x56f/0x840 [ 505.041238][ T73] fib6_rule_lookup+0x456/0x630 [ 505.041238][ T73] ip6_route_input+0x59c/0xa50 [ 505.041238][ T73] ipv6_rcv+0x397/0x810 [ 505.041238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 505.041238][ T73] process_backlog+0x101/0x620 [ 505.041238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 505.041238][ T73] net_rx_action+0x495/0xbe0 [ 505.041238][ T73] __do_softirq+0x1b5/0x7f6 [ 505.041238][ T73] [ 505.042867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.042867][ T73] netdev_get_by_index+0x5e/0x80 [ 505.042867][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.042867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.042867][ T73] ip6_route_add+0x1c/0x140 [ 505.042867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 505.042867][ T73] inet6_addr_add+0x4f8/0xa40 [ 505.042867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.042867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.042867][ T73] netlink_rcv_skb+0x130/0x360 [ 505.042867][ T73] netlink_unicast+0x449/0x710 [ 505.042867][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.042867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.042867][ T73] ___sys_sendmsg+0xee/0x170 [ 505.042867][ T73] __sys_sendmsg+0xcd/0x170 [ 505.042867][ T73] do_syscall_64+0xc6/0x1e0 [ 505.042867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.042867][ T73] [ 505.044851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.044851][ T73] netdev_get_by_index+0x5e/0x80 [ 505.044851][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.044851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.044851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 505.044851][ T73] ipv6_add_addr+0x411/0x2000 [ 505.044851][ T73] inet6_addr_add+0x30e/0xa40 [ 505.044851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.044851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.044851][ T73] netlink_rcv_skb+0x130/0x360 [ 505.044851][ T73] netlink_unicast+0x449/0x710 [ 505.044851][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.044851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.044851][ T73] ___sys_sendmsg+0xee/0x170 [ 505.044851][ T73] __sys_sendmsg+0xcd/0x170 [ 505.044851][ T73] do_syscall_64+0xc6/0x1e0 [ 505.044851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.044851][ T73] [ 505.046830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.046830][ T73] netdev_get_by_index+0x5e/0x80 [ 505.046830][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.046830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.046830][ T73] ip6_route_add+0x1c/0x140 [ 505.046830][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 505.046830][ T73] addrconf_add_dev+0xe2/0x170 [ 505.046830][ T73] inet6_addr_add+0x12f/0xa40 [ 505.046830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.046830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.046830][ T73] netlink_rcv_skb+0x130/0x360 [ 505.046830][ T73] netlink_unicast+0x449/0x710 [ 505.046830][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.046830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.046830][ T73] ___sys_sendmsg+0xee/0x170 [ 505.046830][ T73] __sys_sendmsg+0xcd/0x170 [ 505.046830][ T73] do_syscall_64+0xc6/0x1e0 [ 505.046830][ T73] [ 505.048798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.048798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 505.048798][ T73] ipv6_find_idev+0x102/0x170 [ 505.048798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.048798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.048798][ T73] netlink_rcv_skb+0x130/0x360 [ 505.048798][ T73] netlink_unicast+0x449/0x710 [ 505.048798][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.048798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.048798][ T73] ___sys_sendmsg+0xee/0x170 [ 505.048798][ T73] __sys_sendmsg+0xcd/0x170 [ 505.048798][ T73] do_syscall_64+0xc6/0x1e0 [ 505.048798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.048798][ T73] [ 505.050326][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 505.050326][ T73] neigh_parms_alloc+0x1e5/0x510 [ 505.050326][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 505.050326][ T73] ipv6_find_idev+0x102/0x170 [ 505.050326][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.050326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.050326][ T73] netlink_rcv_skb+0x130/0x360 [ 505.050326][ T73] netlink_unicast+0x449/0x710 [ 505.050326][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.050326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.050326][ T73] ___sys_sendmsg+0xee/0x170 [ 505.050326][ T73] __sys_sendmsg+0xcd/0x170 [ 505.050326][ T73] do_syscall_64+0xc6/0x1e0 [ 505.050326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.050326][ T73] [ 505.052035][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 505.052317][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.052317][ T73] dst_init+0x84/0x4a0 [ 505.052317][ T73] dst_alloc+0x97/0x150 [ 505.052317][ T73] ip6_dst_alloc+0x23/0x90 [ 505.052317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 505.052317][ T73] ip6_pol_route+0x56f/0x840 [ 505.052317][ T73] fib6_rule_lookup+0x456/0x630 [ 505.052317][ T73] ip6_route_input+0x59c/0xa50 [ 505.052317][ T73] ipv6_rcv+0x397/0x810 [ 505.052317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 505.052317][ T73] process_backlog+0x101/0x620 [ 505.052317][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 505.052317][ T73] net_rx_action+0x495/0xbe0 [ 505.052317][ T73] __do_softirq+0x1b5/0x7f6 [ 505.052317][ T73] [ 505.053954][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.053954][ T73] netdev_get_by_index+0x5e/0x80 [ 505.053954][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.053954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.053954][ T73] addrconf_f6i_alloc+0x265/0x560 [ 505.053954][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 505.053954][ T73] addrconf_join_anycast+0x1c0/0x220 [ 505.053954][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 505.053954][ T73] addrconf_dad_completed+0x12b/0xe20 [ 505.053954][ T73] addrconf_dad_begin+0x310/0x670 [ 505.053954][ T73] addrconf_dad_work+0x10b/0xab0 [ 505.053954][ T73] process_one_work+0x84d/0x18a0 [ 505.053954][ T73] worker_thread+0x587/0xd30 [ 505.053954][ T73] kthread+0x28a/0x350 [ 505.053954][ T73] ret_from_fork+0x31/0x70 [ 505.053954][ T73] ret_from_fork_asm+0x1a/0x30 [ 505.053954][ T73] [ 505.055844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.055844][ T73] netdev_get_by_index+0x5e/0x80 [ 505.055844][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.055844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.055844][ T73] ip6_route_add+0x1c/0x140 [ 505.055844][ T73] addrconf_prefix_route+0x2a6/0x430 [ 505.055844][ T73] inet6_addr_add+0x4f8/0xa40 [ 505.055844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.055844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.055844][ T73] netlink_rcv_skb+0x130/0x360 [ 505.055844][ T73] netlink_unicast+0x449/0x710 [ 505.055844][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.055844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.055844][ T73] ___sys_sendmsg+0xee/0x170 [ 505.055844][ T73] __sys_sendmsg+0xcd/0x170 [ 505.055844][ T73] do_syscall_64+0xc6/0x1e0 [ 505.055844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.055844][ T73] [ 505.057820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.057820][ T73] netdev_get_by_index+0x5e/0x80 [ 505.057820][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.057820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.057820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 505.057820][ T73] ipv6_add_addr+0x411/0x2000 [ 505.057820][ T73] inet6_addr_add+0x30e/0xa40 [ 505.057820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.057820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.057820][ T73] netlink_rcv_skb+0x130/0x360 [ 505.057820][ T73] netlink_unicast+0x449/0x710 [ 505.057820][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.057820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.057820][ T73] ___sys_sendmsg+0xee/0x170 [ 505.057820][ T73] __sys_sendmsg+0xcd/0x170 [ 505.057820][ T73] do_syscall_64+0xc6/0x1e0 [ 505.057820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.057820][ T73] [ 505.059842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.059842][ T73] netdev_get_by_index+0x5e/0x80 [ 505.059842][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.059842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.059842][ T73] ip6_route_add+0x1c/0x140 [ 505.059842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 505.059842][ T73] addrconf_add_dev+0xe2/0x170 [ 505.059842][ T73] inet6_addr_add+0x12f/0xa40 [ 505.059842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.059842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.059842][ T73] netlink_rcv_skb+0x130/0x360 [ 505.059842][ T73] netlink_unicast+0x449/0x710 [ 505.059842][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.059842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.059842][ T73] ___sys_sendmsg+0xee/0x170 [ 505.059842][ T73] __sys_sendmsg+0xcd/0x170 [ 505.059842][ T73] do_syscall_64+0xc6/0x1e0 [ 505.059842][ T73] [ 505.061780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.061780][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 505.061780][ T73] ipv6_find_idev+0x102/0x170 [ 505.061780][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.061780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.061780][ T73] netlink_rcv_skb+0x130/0x360 [ 505.061780][ T73] netlink_unicast+0x449/0x710 [ 505.061780][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.061780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.061780][ T73] ___sys_sendmsg+0xee/0x170 [ 505.061780][ T73] __sys_sendmsg+0xcd/0x170 [ 505.061780][ T73] do_syscall_64+0xc6/0x1e0 [ 505.061780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.061780][ T73] [ 505.063309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 505.063309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 505.063309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 505.063309][ T73] ipv6_find_idev+0x102/0x170 [ 505.063309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.063309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.063309][ T73] netlink_rcv_skb+0x130/0x360 [ 505.063309][ T73] netlink_unicast+0x449/0x710 [ 505.063309][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.063309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.063309][ T73] ___sys_sendmsg+0xee/0x170 [ 505.063309][ T73] __sys_sendmsg+0xcd/0x170 [ 505.063309][ T73] do_syscall_64+0xc6/0x1e0 [ 505.063309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.063309][ T73] [ 505.065136][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 505.065403][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.065403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 505.065403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 505.065403][ T73] fib6_nh_init+0xa22/0x1580 [ 505.065403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.065403][ T73] ip6_route_add+0x1c/0x140 [ 505.065403][ T73] inet6_rtm_newroute+0x104/0x110 [ 505.065403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.065403][ T73] netlink_rcv_skb+0x130/0x360 [ 505.065403][ T73] netlink_unicast+0x449/0x710 [ 505.065403][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.065403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.065403][ T73] ___sys_sendmsg+0xee/0x170 [ 505.065403][ T73] __sys_sendmsg+0xcd/0x170 [ 505.065403][ T73] do_syscall_64+0xc6/0x1e0 [ 505.065403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.065403][ T73] [ 505.067945][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.067945][ T73] dst_init+0x84/0x4a0 [ 505.067945][ T73] dst_alloc+0x97/0x150 [ 505.067945][ T73] ip6_dst_alloc+0x23/0x90 [ 505.067945][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 505.067945][ T73] ip6_pol_route+0x56f/0x840 [ 505.067945][ T73] fib6_rule_lookup+0x456/0x630 [ 505.067945][ T73] ip6_route_input+0x59c/0xa50 [ 505.067945][ T73] ipv6_rcv+0x397/0x810 [ 505.067945][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 505.067945][ T73] process_backlog+0x101/0x620 [ 505.067945][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 505.067945][ T73] net_rx_action+0x495/0xbe0 [ 505.067945][ T73] __do_softirq+0x1b5/0x7f6 [ 505.067945][ T73] [ 505.069757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.069757][ T73] netdev_get_by_index+0x5e/0x80 [ 505.069757][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.069757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.069757][ T73] ip6_route_add+0x1c/0x140 [ 505.069757][ T73] addrconf_prefix_route+0x2a6/0x430 [ 505.069757][ T73] inet6_addr_add+0x4f8/0xa40 [ 505.069757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.069757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.069757][ T73] netlink_rcv_skb+0x130/0x360 [ 505.069757][ T73] netlink_unicast+0x449/0x710 [ 505.069757][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.069757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.069757][ T73] ___sys_sendmsg+0xee/0x170 [ 505.069757][ T73] __sys_sendmsg+0xcd/0x170 [ 505.069757][ T73] do_syscall_64+0xc6/0x1e0 [ 505.069757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.069757][ T73] [ 505.071975][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.071975][ T73] netdev_get_by_index+0x5e/0x80 [ 505.071975][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.071975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.071975][ T73] addrconf_f6i_alloc+0x315/0x560 [ 505.071975][ T73] ipv6_add_addr+0x411/0x2000 [ 505.071975][ T73] inet6_addr_add+0x30e/0xa40 [ 505.071975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.071975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.071975][ T73] netlink_rcv_skb+0x130/0x360 [ 505.071975][ T73] netlink_unicast+0x449/0x710 [ 505.071975][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.071975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.071975][ T73] ___sys_sendmsg+0xee/0x170 [ 505.071975][ T73] __sys_sendmsg+0xcd/0x170 [ 505.071975][ T73] do_syscall_64+0xc6/0x1e0 [ 505.071975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.071975][ T73] [ 505.074203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.074203][ T73] netdev_get_by_index+0x5e/0x80 [ 505.074203][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.074203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.074203][ T73] ip6_route_add+0x1c/0x140 [ 505.074203][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 505.074203][ T73] addrconf_add_dev+0xe2/0x170 [ 505.074203][ T73] inet6_addr_add+0x12f/0xa40 [ 505.074203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.074203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.074203][ T73] netlink_rcv_skb+0x130/0x360 [ 505.074203][ T73] netlink_unicast+0x449/0x710 [ 505.074203][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.074203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.074203][ T73] ___sys_sendmsg+0xee/0x170 [ 505.074203][ T73] __sys_sendmsg+0xcd/0x170 [ 505.074203][ T73] do_syscall_64+0xc6/0x1e0 [ 505.074203][ T73] [ 505.076407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.076407][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 505.076407][ T73] ipv6_find_idev+0x102/0x170 [ 505.076407][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.076407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.076407][ T73] netlink_rcv_skb+0x130/0x360 [ 505.076407][ T73] netlink_unicast+0x449/0x710 [ 505.076407][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.076407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.076407][ T73] ___sys_sendmsg+0xee/0x170 [ 505.076407][ T73] __sys_sendmsg+0xcd/0x170 [ 505.076407][ T73] do_syscall_64+0xc6/0x1e0 [ 505.076407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.076407][ T73] [ 505.078128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 505.078128][ T73] neigh_parms_alloc+0x1e5/0x510 [ 505.078128][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 505.078128][ T73] ipv6_find_idev+0x102/0x170 [ 505.078128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.078128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.078128][ T73] netlink_rcv_skb+0x130/0x360 [ 505.078128][ T73] netlink_unicast+0x449/0x710 [ 505.078128][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.078128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.078128][ T73] ___sys_sendmsg+0xee/0x170 [ 505.078128][ T73] __sys_sendmsg+0xcd/0x170 [ 505.078128][ T73] do_syscall_64+0xc6/0x1e0 [ 505.078128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.078128][ T73] [ 505.080064][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 505.080338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 505.080338][ T73] netdev_get_by_index+0x5e/0x80 [ 505.080338][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.080338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.080338][ T73] addrconf_f6i_alloc+0x265/0x560 [ 505.080338][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 505.080338][ T73] addrconf_join_anycast+0x1c0/0x220 [ 505.080338][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 505.080338][ T73] addrconf_dad_completed+0x12b/0xe20 [ 505.080338][ T73] addrconf_dad_begin+0x310/0x670 [ 505.080338][ T73] addrconf_dad_work+0x10b/0xab0 [ 505.080338][ T73] process_one_work+0x84d/0x18a0 [ 505.080338][ T73] worker_thread+0x587/0xd30 [ 505.080338][ T73] kthread+0x28a/0x350 [ 505.080338][ T73] ret_from_fork+0x31/0x70 [ 505.080338][ T73] ret_from_fork_asm+0x1a/0x30 [ 505.080338][ T73] [ 505.082476][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 505.082476][ T73] netdev_get_by_index+0x5e/0x80 [ 505.082476][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.082476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.082476][ T73] ip6_route_add+0x1c/0x140 [ 505.082476][ T73] addrconf_prefix_route+0x2a6/0x430 [ 505.082476][ T73] inet6_addr_add+0x4f8/0xa40 [ 505.082476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.082476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.082476][ T73] netlink_rcv_skb+0x130/0x360 [ 505.082476][ T73] netlink_unicast+0x449/0x710 [ 505.082476][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.082476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.082476][ T73] ___sys_sendmsg+0xee/0x170 [ 505.082476][ T73] __sys_sendmsg+0xcd/0x170 [ 505.082476][ T73] do_syscall_64+0xc6/0x1e0 [ 505.082476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.082476][ T73] [ 505.084699][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 505.084699][ T73] netdev_get_by_index+0x5e/0x80 [ 505.084699][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.084699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.084699][ T73] addrconf_f6i_alloc+0x315/0x560 [ 505.084699][ T73] ipv6_add_addr+0x411/0x2000 [ 505.084699][ T73] inet6_addr_add+0x30e/0xa40 [ 505.084699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.084699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.084699][ T73] netlink_rcv_skb+0x130/0x360 [ 505.084699][ T73] netlink_unicast+0x449/0x710 [ 505.084699][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.084699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.084699][ T73] ___sys_sendmsg+0xee/0x170 [ 505.084699][ T73] __sys_sendmsg+0xcd/0x170 [ 505.084699][ T73] do_syscall_64+0xc6/0x1e0 [ 505.084699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.084699][ T73] [ 505.086938][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 505.086938][ T73] netdev_get_by_index+0x5e/0x80 [ 505.086938][ T73] fib6_nh_init+0x3d8/0x1580 [ 505.086938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 505.086938][ T73] ip6_route_add+0x1c/0x140 [ 505.086938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 505.086938][ T73] addrconf_add_dev+0xe2/0x170 [ 505.086938][ T73] inet6_addr_add+0x12f/0xa40 [ 505.086938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 505.086938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.086938][ T73] netlink_rcv_skb+0x130/0x360 [ 505.086938][ T73] netlink_unicast+0x449/0x710 [ 505.086938][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.086938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.086938][ T73] ___sys_sendmsg+0xee/0x170 [ 505.086938][ T73] __sys_sendmsg+0xcd/0x170 [ 505.086938][ T73] do_syscall_64+0xc6/0x1e0 [ 505.086938][ T73] [ 505.089132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 505.089132][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 505.089132][ T73] ipv6_find_idev+0x102/0x170 [ 505.089132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.089132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.089132][ T73] netlink_rcv_skb+0x130/0x360 [ 505.089132][ T73] netlink_unicast+0x449/0x710 [ 505.089132][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.089132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.089132][ T73] ___sys_sendmsg+0xee/0x170 [ 505.089132][ T73] __sys_sendmsg+0xcd/0x170 [ 505.089132][ T73] do_syscall_64+0xc6/0x1e0 [ 505.089132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.089132][ T73] [ 505.090850][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 505.090850][ T73] neigh_parms_alloc+0x1e5/0x510 [ 505.090850][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 505.090850][ T73] ipv6_find_idev+0x102/0x170 [ 505.090850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 505.090850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 505.090850][ T73] netlink_rcv_skb+0x130/0x360 [ 505.090850][ T73] netlink_unicast+0x449/0x710 [ 505.090850][ T73] netlink_sendmsg+0x723/0xbe0 [ 505.090850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 505.090850][ T73] ___sys_sendmsg+0xee/0x170 [ 505.090850][ T73] __sys_sendmsg+0xcd/0x170 [ 505.090850][ T73] do_syscall_64+0xc6/0x1e0 [ 505.090850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 505.090850][ T73] [ 515.102929][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 515.103429][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.103429][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 515.103429][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 515.103429][ T73] fib6_nh_init+0xa22/0x1580 [ 515.103429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.103429][ T73] ip6_route_add+0x1c/0x140 [ 515.103429][ T73] inet6_rtm_newroute+0x104/0x110 [ 515.103429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.103429][ T73] netlink_rcv_skb+0x130/0x360 [ 515.103429][ T73] netlink_unicast+0x449/0x710 [ 515.103429][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.103429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.103429][ T73] ___sys_sendmsg+0xee/0x170 [ 515.103429][ T73] __sys_sendmsg+0xcd/0x170 [ 515.103429][ T73] do_syscall_64+0xc6/0x1e0 [ 515.103429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.103429][ T73] [ 515.105314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.105314][ T73] dst_init+0x84/0x4a0 [ 515.105314][ T73] dst_alloc+0x97/0x150 [ 515.105314][ T73] ip6_dst_alloc+0x23/0x90 [ 515.105314][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 515.105314][ T73] ip6_pol_route+0x56f/0x840 [ 515.105314][ T73] fib6_rule_lookup+0x456/0x630 [ 515.105314][ T73] ip6_route_input+0x59c/0xa50 [ 515.105314][ T73] ipv6_rcv+0x397/0x810 [ 515.105314][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 515.105314][ T73] process_backlog+0x101/0x620 [ 515.105314][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 515.105314][ T73] net_rx_action+0x495/0xbe0 [ 515.105314][ T73] __do_softirq+0x1b5/0x7f6 [ 515.105314][ T73] [ 515.106953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.106953][ T73] netdev_get_by_index+0x5e/0x80 [ 515.106953][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.106953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.106953][ T73] ip6_route_add+0x1c/0x140 [ 515.106953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 515.106953][ T73] inet6_addr_add+0x4f8/0xa40 [ 515.106953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.106953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.106953][ T73] netlink_rcv_skb+0x130/0x360 [ 515.106953][ T73] netlink_unicast+0x449/0x710 [ 515.106953][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.106953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.106953][ T73] ___sys_sendmsg+0xee/0x170 [ 515.106953][ T73] __sys_sendmsg+0xcd/0x170 [ 515.106953][ T73] do_syscall_64+0xc6/0x1e0 [ 515.106953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.106953][ T73] [ 515.108957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.108957][ T73] netdev_get_by_index+0x5e/0x80 [ 515.108957][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.108957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.108957][ T73] addrconf_f6i_alloc+0x315/0x560 [ 515.108957][ T73] ipv6_add_addr+0x411/0x2000 [ 515.108957][ T73] inet6_addr_add+0x30e/0xa40 [ 515.108957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.108957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.108957][ T73] netlink_rcv_skb+0x130/0x360 [ 515.108957][ T73] netlink_unicast+0x449/0x710 [ 515.108957][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.108957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.108957][ T73] ___sys_sendmsg+0xee/0x170 [ 515.108957][ T73] __sys_sendmsg+0xcd/0x170 [ 515.108957][ T73] do_syscall_64+0xc6/0x1e0 [ 515.108957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.108957][ T73] [ 515.110963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.110963][ T73] netdev_get_by_index+0x5e/0x80 [ 515.110963][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.110963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.110963][ T73] ip6_route_add+0x1c/0x140 [ 515.110963][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 515.110963][ T73] addrconf_add_dev+0xe2/0x170 [ 515.110963][ T73] inet6_addr_add+0x12f/0xa40 [ 515.110963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.110963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.110963][ T73] netlink_rcv_skb+0x130/0x360 [ 515.110963][ T73] netlink_unicast+0x449/0x710 [ 515.110963][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.110963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.110963][ T73] ___sys_sendmsg+0xee/0x170 [ 515.110963][ T73] __sys_sendmsg+0xcd/0x170 [ 515.110963][ T73] do_syscall_64+0xc6/0x1e0 [ 515.110963][ T73] [ 515.112910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.112910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 515.112910][ T73] ipv6_find_idev+0x102/0x170 [ 515.112910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.112910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.112910][ T73] netlink_rcv_skb+0x130/0x360 [ 515.112910][ T73] netlink_unicast+0x449/0x710 [ 515.112910][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.112910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.112910][ T73] ___sys_sendmsg+0xee/0x170 [ 515.112910][ T73] __sys_sendmsg+0xcd/0x170 [ 515.112910][ T73] do_syscall_64+0xc6/0x1e0 [ 515.112910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.112910][ T73] [ 515.114439][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 515.114439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 515.114439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 515.114439][ T73] ipv6_find_idev+0x102/0x170 [ 515.114439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.114439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.114439][ T73] netlink_rcv_skb+0x130/0x360 [ 515.114439][ T73] netlink_unicast+0x449/0x710 [ 515.114439][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.114439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.114439][ T73] ___sys_sendmsg+0xee/0x170 [ 515.114439][ T73] __sys_sendmsg+0xcd/0x170 [ 515.114439][ T73] do_syscall_64+0xc6/0x1e0 [ 515.114439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.114439][ T73] [ 515.116127][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 515.116408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.116408][ T73] dst_init+0x84/0x4a0 [ 515.116408][ T73] dst_alloc+0x97/0x150 [ 515.116408][ T73] ip6_dst_alloc+0x23/0x90 [ 515.116408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 515.116408][ T73] ip6_pol_route+0x56f/0x840 [ 515.116408][ T73] fib6_rule_lookup+0x456/0x630 [ 515.116408][ T73] ip6_route_input+0x59c/0xa50 [ 515.116408][ T73] ipv6_rcv+0x397/0x810 [ 515.116408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 515.116408][ T73] process_backlog+0x101/0x620 [ 515.116408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 515.116408][ T73] net_rx_action+0x495/0xbe0 [ 515.116408][ T73] __do_softirq+0x1b5/0x7f6 [ 515.116408][ T73] [ 515.118053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.118053][ T73] netdev_get_by_index+0x5e/0x80 [ 515.118053][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.118053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.118053][ T73] addrconf_f6i_alloc+0x265/0x560 [ 515.118053][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 515.118053][ T73] addrconf_join_anycast+0x1c0/0x220 [ 515.118053][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 515.118053][ T73] addrconf_dad_completed+0x12b/0xe20 [ 515.118053][ T73] addrconf_dad_begin+0x310/0x670 [ 515.118053][ T73] addrconf_dad_work+0x10b/0xab0 [ 515.118053][ T73] process_one_work+0x84d/0x18a0 [ 515.118053][ T73] worker_thread+0x587/0xd30 [ 515.118053][ T73] kthread+0x28a/0x350 [ 515.118053][ T73] ret_from_fork+0x31/0x70 [ 515.118053][ T73] ret_from_fork_asm+0x1a/0x30 [ 515.118053][ T73] [ 515.119946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.119946][ T73] netdev_get_by_index+0x5e/0x80 [ 515.119946][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.119946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.119946][ T73] ip6_route_add+0x1c/0x140 [ 515.119946][ T73] addrconf_prefix_route+0x2a6/0x430 [ 515.119946][ T73] inet6_addr_add+0x4f8/0xa40 [ 515.119946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.119946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.119946][ T73] netlink_rcv_skb+0x130/0x360 [ 515.119946][ T73] netlink_unicast+0x449/0x710 [ 515.119946][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.119946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.119946][ T73] ___sys_sendmsg+0xee/0x170 [ 515.119946][ T73] __sys_sendmsg+0xcd/0x170 [ 515.119946][ T73] do_syscall_64+0xc6/0x1e0 [ 515.119946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.119946][ T73] [ 515.121945][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.121945][ T73] netdev_get_by_index+0x5e/0x80 [ 515.121945][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.121945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.121945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 515.121945][ T73] ipv6_add_addr+0x411/0x2000 [ 515.121945][ T73] inet6_addr_add+0x30e/0xa40 [ 515.121945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.121945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.121945][ T73] netlink_rcv_skb+0x130/0x360 [ 515.121945][ T73] netlink_unicast+0x449/0x710 [ 515.121945][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.121945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.121945][ T73] ___sys_sendmsg+0xee/0x170 [ 515.121945][ T73] __sys_sendmsg+0xcd/0x170 [ 515.121945][ T73] do_syscall_64+0xc6/0x1e0 [ 515.121945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.121945][ T73] [ 515.123926][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.123926][ T73] netdev_get_by_index+0x5e/0x80 [ 515.123926][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.123926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.123926][ T73] ip6_route_add+0x1c/0x140 [ 515.123926][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 515.123926][ T73] addrconf_add_dev+0xe2/0x170 [ 515.123926][ T73] inet6_addr_add+0x12f/0xa40 [ 515.123926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.123926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.123926][ T73] netlink_rcv_skb+0x130/0x360 [ 515.123926][ T73] netlink_unicast+0x449/0x710 [ 515.123926][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.123926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.123926][ T73] ___sys_sendmsg+0xee/0x170 [ 515.123926][ T73] __sys_sendmsg+0xcd/0x170 [ 515.123926][ T73] do_syscall_64+0xc6/0x1e0 [ 515.123926][ T73] [ 515.125874][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.125874][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 515.125874][ T73] ipv6_find_idev+0x102/0x170 [ 515.125874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.125874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.125874][ T73] netlink_rcv_skb+0x130/0x360 [ 515.125874][ T73] netlink_unicast+0x449/0x710 [ 515.125874][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.125874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.125874][ T73] ___sys_sendmsg+0xee/0x170 [ 515.125874][ T73] __sys_sendmsg+0xcd/0x170 [ 515.125874][ T73] do_syscall_64+0xc6/0x1e0 [ 515.125874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.125874][ T73] [ 515.127400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 515.127400][ T73] neigh_parms_alloc+0x1e5/0x510 [ 515.127400][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 515.127400][ T73] ipv6_find_idev+0x102/0x170 [ 515.127400][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.127400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.127400][ T73] netlink_rcv_skb+0x130/0x360 [ 515.127400][ T73] netlink_unicast+0x449/0x710 [ 515.127400][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.127400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.127400][ T73] ___sys_sendmsg+0xee/0x170 [ 515.127400][ T73] __sys_sendmsg+0xcd/0x170 [ 515.127400][ T73] do_syscall_64+0xc6/0x1e0 [ 515.127400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.127400][ T73] [ 515.129220][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 515.129489][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.129489][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 515.129489][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 515.129489][ T73] fib6_nh_init+0xa22/0x1580 [ 515.129489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.129489][ T73] ip6_route_add+0x1c/0x140 [ 515.129489][ T73] inet6_rtm_newroute+0x104/0x110 [ 515.129489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.129489][ T73] netlink_rcv_skb+0x130/0x360 [ 515.129489][ T73] netlink_unicast+0x449/0x710 [ 515.129489][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.129489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.129489][ T73] ___sys_sendmsg+0xee/0x170 [ 515.129489][ T73] __sys_sendmsg+0xcd/0x170 [ 515.129489][ T73] do_syscall_64+0xc6/0x1e0 [ 515.129489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.129489][ T73] [ 515.131651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.131651][ T73] dst_init+0x84/0x4a0 [ 515.131651][ T73] dst_alloc+0x97/0x150 [ 515.131651][ T73] ip6_dst_alloc+0x23/0x90 [ 515.131651][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 515.131651][ T73] ip6_pol_route+0x56f/0x840 [ 515.131651][ T73] fib6_rule_lookup+0x456/0x630 [ 515.131651][ T73] ip6_route_input+0x59c/0xa50 [ 515.131651][ T73] ipv6_rcv+0x397/0x810 [ 515.131651][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 515.131651][ T73] process_backlog+0x101/0x620 [ 515.131651][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 515.131651][ T73] net_rx_action+0x495/0xbe0 [ 515.131651][ T73] __do_softirq+0x1b5/0x7f6 [ 515.131651][ T73] [ 515.133453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.133453][ T73] netdev_get_by_index+0x5e/0x80 [ 515.133453][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.133453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.133453][ T73] ip6_route_add+0x1c/0x140 [ 515.133453][ T73] addrconf_prefix_route+0x2a6/0x430 [ 515.133453][ T73] inet6_addr_add+0x4f8/0xa40 [ 515.133453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.133453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.133453][ T73] netlink_rcv_skb+0x130/0x360 [ 515.133453][ T73] netlink_unicast+0x449/0x710 [ 515.133453][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.133453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.133453][ T73] ___sys_sendmsg+0xee/0x170 [ 515.133453][ T73] __sys_sendmsg+0xcd/0x170 [ 515.133453][ T73] do_syscall_64+0xc6/0x1e0 [ 515.133453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.133453][ T73] [ 515.135678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.135678][ T73] netdev_get_by_index+0x5e/0x80 [ 515.135678][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.135678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.135678][ T73] addrconf_f6i_alloc+0x315/0x560 [ 515.135678][ T73] ipv6_add_addr+0x411/0x2000 [ 515.135678][ T73] inet6_addr_add+0x30e/0xa40 [ 515.135678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.135678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.135678][ T73] netlink_rcv_skb+0x130/0x360 [ 515.135678][ T73] netlink_unicast+0x449/0x710 [ 515.135678][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.135678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.135678][ T73] ___sys_sendmsg+0xee/0x170 [ 515.135678][ T73] __sys_sendmsg+0xcd/0x170 [ 515.135678][ T73] do_syscall_64+0xc6/0x1e0 [ 515.135678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.135678][ T73] [ 515.137921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.137921][ T73] netdev_get_by_index+0x5e/0x80 [ 515.137921][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.137921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.137921][ T73] ip6_route_add+0x1c/0x140 [ 515.137921][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 515.137921][ T73] addrconf_add_dev+0xe2/0x170 [ 515.137921][ T73] inet6_addr_add+0x12f/0xa40 [ 515.137921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.137921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.137921][ T73] netlink_rcv_skb+0x130/0x360 [ 515.137921][ T73] netlink_unicast+0x449/0x710 [ 515.137921][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.137921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.137921][ T73] ___sys_sendmsg+0xee/0x170 [ 515.137921][ T73] __sys_sendmsg+0xcd/0x170 [ 515.137921][ T73] do_syscall_64+0xc6/0x1e0 [ 515.137921][ T73] [ 515.140135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.140135][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 515.140135][ T73] ipv6_find_idev+0x102/0x170 [ 515.140135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.140135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.140135][ T73] netlink_rcv_skb+0x130/0x360 [ 515.140135][ T73] netlink_unicast+0x449/0x710 [ 515.140135][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.140135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.140135][ T73] ___sys_sendmsg+0xee/0x170 [ 515.140135][ T73] __sys_sendmsg+0xcd/0x170 [ 515.140135][ T73] do_syscall_64+0xc6/0x1e0 [ 515.140135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.140135][ T73] [ 515.141841][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 515.141841][ T73] neigh_parms_alloc+0x1e5/0x510 [ 515.141841][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 515.141841][ T73] ipv6_find_idev+0x102/0x170 [ 515.141841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.141841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.141841][ T73] netlink_rcv_skb+0x130/0x360 [ 515.141841][ T73] netlink_unicast+0x449/0x710 [ 515.141841][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.141841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.141841][ T73] ___sys_sendmsg+0xee/0x170 [ 515.141841][ T73] __sys_sendmsg+0xcd/0x170 [ 515.141841][ T73] do_syscall_64+0xc6/0x1e0 [ 515.141841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.141841][ T73] [ 515.143786][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 515.144064][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 515.144064][ T73] netdev_get_by_index+0x5e/0x80 [ 515.144064][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.144064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.144064][ T73] addrconf_f6i_alloc+0x265/0x560 [ 515.144064][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 515.144064][ T73] addrconf_join_anycast+0x1c0/0x220 [ 515.144064][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 515.144064][ T73] addrconf_dad_completed+0x12b/0xe20 [ 515.144064][ T73] addrconf_dad_begin+0x310/0x670 [ 515.144064][ T73] addrconf_dad_work+0x10b/0xab0 [ 515.144064][ T73] process_one_work+0x84d/0x18a0 [ 515.144064][ T73] worker_thread+0x587/0xd30 [ 515.144064][ T73] kthread+0x28a/0x350 [ 515.144064][ T73] ret_from_fork+0x31/0x70 [ 515.144064][ T73] ret_from_fork_asm+0x1a/0x30 [ 515.144064][ T73] [ 515.146215][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 515.146215][ T73] netdev_get_by_index+0x5e/0x80 [ 515.146215][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.146215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.146215][ T73] ip6_route_add+0x1c/0x140 [ 515.146215][ T73] addrconf_prefix_route+0x2a6/0x430 [ 515.146215][ T73] inet6_addr_add+0x4f8/0xa40 [ 515.146215][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.146215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.146215][ T73] netlink_rcv_skb+0x130/0x360 [ 515.146215][ T73] netlink_unicast+0x449/0x710 [ 515.146215][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.146215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.146215][ T73] ___sys_sendmsg+0xee/0x170 [ 515.146215][ T73] __sys_sendmsg+0xcd/0x170 [ 515.146215][ T73] do_syscall_64+0xc6/0x1e0 [ 515.146215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.146215][ T73] [ 515.148442][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 515.148442][ T73] netdev_get_by_index+0x5e/0x80 [ 515.148442][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.148442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.148442][ T73] addrconf_f6i_alloc+0x315/0x560 [ 515.148442][ T73] ipv6_add_addr+0x411/0x2000 [ 515.148442][ T73] inet6_addr_add+0x30e/0xa40 [ 515.148442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.148442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.148442][ T73] netlink_rcv_skb+0x130/0x360 [ 515.148442][ T73] netlink_unicast+0x449/0x710 [ 515.148442][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.148442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.148442][ T73] ___sys_sendmsg+0xee/0x170 [ 515.148442][ T73] __sys_sendmsg+0xcd/0x170 [ 515.148442][ T73] do_syscall_64+0xc6/0x1e0 [ 515.148442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.148442][ T73] [ 515.150659][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 515.150659][ T73] netdev_get_by_index+0x5e/0x80 [ 515.150659][ T73] fib6_nh_init+0x3d8/0x1580 [ 515.150659][ T73] ip6_route_info_create+0xf18/0x17d0 [ 515.150659][ T73] ip6_route_add+0x1c/0x140 [ 515.150659][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 515.150659][ T73] addrconf_add_dev+0xe2/0x170 [ 515.150659][ T73] inet6_addr_add+0x12f/0xa40 [ 515.150659][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 515.150659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.150659][ T73] netlink_rcv_skb+0x130/0x360 [ 515.150659][ T73] netlink_unicast+0x449/0x710 [ 515.150659][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.150659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.150659][ T73] ___sys_sendmsg+0xee/0x170 [ 515.150659][ T73] __sys_sendmsg+0xcd/0x170 [ 515.150659][ T73] do_syscall_64+0xc6/0x1e0 [ 515.150659][ T73] [ 515.152853][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 515.152853][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 515.152853][ T73] ipv6_find_idev+0x102/0x170 [ 515.152853][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.152853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.152853][ T73] netlink_rcv_skb+0x130/0x360 [ 515.152853][ T73] netlink_unicast+0x449/0x710 [ 515.152853][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.152853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.152853][ T73] ___sys_sendmsg+0xee/0x170 [ 515.152853][ T73] __sys_sendmsg+0xcd/0x170 [ 515.152853][ T73] do_syscall_64+0xc6/0x1e0 [ 515.152853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.152853][ T73] [ 515.155091][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 515.155091][ T73] neigh_parms_alloc+0x1e5/0x510 [ 515.155091][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 515.155091][ T73] ipv6_find_idev+0x102/0x170 [ 515.155091][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 515.155091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 515.155091][ T73] netlink_rcv_skb+0x130/0x360 [ 515.155091][ T73] netlink_unicast+0x449/0x710 [ 515.155091][ T73] netlink_sendmsg+0x723/0xbe0 [ 515.155091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 515.155091][ T73] ___sys_sendmsg+0xee/0x170 [ 515.155091][ T73] __sys_sendmsg+0xcd/0x170 [ 515.155091][ T73] do_syscall_64+0xc6/0x1e0 [ 515.155091][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 515.155091][ T73] [ 525.406912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 525.407354][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.407354][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 525.407354][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 525.407354][ T73] fib6_nh_init+0xa22/0x1580 [ 525.407354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.407354][ T73] ip6_route_add+0x1c/0x140 [ 525.407354][ T73] inet6_rtm_newroute+0x104/0x110 [ 525.407354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.407354][ T73] netlink_rcv_skb+0x130/0x360 [ 525.407354][ T73] netlink_unicast+0x449/0x710 [ 525.407354][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.407354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.407354][ T73] ___sys_sendmsg+0xee/0x170 [ 525.407354][ T73] __sys_sendmsg+0xcd/0x170 [ 525.407354][ T73] do_syscall_64+0xc6/0x1e0 [ 525.407354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.407354][ T73] [ 525.409330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.409330][ T73] dst_init+0x84/0x4a0 [ 525.409330][ T73] dst_alloc+0x97/0x150 [ 525.409330][ T73] ip6_dst_alloc+0x23/0x90 [ 525.409330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 525.409330][ T73] ip6_pol_route+0x56f/0x840 [ 525.409330][ T73] fib6_rule_lookup+0x456/0x630 [ 525.409330][ T73] ip6_route_input+0x59c/0xa50 [ 525.409330][ T73] ipv6_rcv+0x397/0x810 [ 525.409330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 525.409330][ T73] process_backlog+0x101/0x620 [ 525.409330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 525.409330][ T73] net_rx_action+0x495/0xbe0 [ 525.409330][ T73] __do_softirq+0x1b5/0x7f6 [ 525.409330][ T73] [ 525.410969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.410969][ T73] netdev_get_by_index+0x5e/0x80 [ 525.410969][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.410969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.410969][ T73] ip6_route_add+0x1c/0x140 [ 525.410969][ T73] addrconf_prefix_route+0x2a6/0x430 [ 525.410969][ T73] inet6_addr_add+0x4f8/0xa40 [ 525.410969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.410969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.410969][ T73] netlink_rcv_skb+0x130/0x360 [ 525.410969][ T73] netlink_unicast+0x449/0x710 [ 525.410969][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.410969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.410969][ T73] ___sys_sendmsg+0xee/0x170 [ 525.410969][ T73] __sys_sendmsg+0xcd/0x170 [ 525.410969][ T73] do_syscall_64+0xc6/0x1e0 [ 525.410969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.410969][ T73] [ 525.412977][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.412977][ T73] netdev_get_by_index+0x5e/0x80 [ 525.412977][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.412977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.412977][ T73] addrconf_f6i_alloc+0x315/0x560 [ 525.412977][ T73] ipv6_add_addr+0x411/0x2000 [ 525.412977][ T73] inet6_addr_add+0x30e/0xa40 [ 525.412977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.412977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.412977][ T73] netlink_rcv_skb+0x130/0x360 [ 525.412977][ T73] netlink_unicast+0x449/0x710 [ 525.412977][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.412977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.412977][ T73] ___sys_sendmsg+0xee/0x170 [ 525.412977][ T73] __sys_sendmsg+0xcd/0x170 [ 525.412977][ T73] do_syscall_64+0xc6/0x1e0 [ 525.412977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.412977][ T73] [ 525.414984][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.414984][ T73] netdev_get_by_index+0x5e/0x80 [ 525.414984][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.414984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.414984][ T73] ip6_route_add+0x1c/0x140 [ 525.414984][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 525.414984][ T73] addrconf_add_dev+0xe2/0x170 [ 525.414984][ T73] inet6_addr_add+0x12f/0xa40 [ 525.414984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.414984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.414984][ T73] netlink_rcv_skb+0x130/0x360 [ 525.414984][ T73] netlink_unicast+0x449/0x710 [ 525.414984][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.414984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.414984][ T73] ___sys_sendmsg+0xee/0x170 [ 525.414984][ T73] __sys_sendmsg+0xcd/0x170 [ 525.414984][ T73] do_syscall_64+0xc6/0x1e0 [ 525.414984][ T73] [ 525.416968][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.416968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 525.416968][ T73] ipv6_find_idev+0x102/0x170 [ 525.416968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.416968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.416968][ T73] netlink_rcv_skb+0x130/0x360 [ 525.416968][ T73] netlink_unicast+0x449/0x710 [ 525.416968][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.416968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.416968][ T73] ___sys_sendmsg+0xee/0x170 [ 525.416968][ T73] __sys_sendmsg+0xcd/0x170 [ 525.416968][ T73] do_syscall_64+0xc6/0x1e0 [ 525.416968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.416968][ T73] [ 525.418524][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 525.418524][ T73] neigh_parms_alloc+0x1e5/0x510 [ 525.418524][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 525.418524][ T73] ipv6_find_idev+0x102/0x170 [ 525.418524][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.418524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.418524][ T73] netlink_rcv_skb+0x130/0x360 [ 525.418524][ T73] netlink_unicast+0x449/0x710 [ 525.418524][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.418524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.418524][ T73] ___sys_sendmsg+0xee/0x170 [ 525.418524][ T73] __sys_sendmsg+0xcd/0x170 [ 525.418524][ T73] do_syscall_64+0xc6/0x1e0 [ 525.418524][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.418524][ T73] [ 525.420245][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 525.420557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.420557][ T73] dst_init+0x84/0x4a0 [ 525.420557][ T73] dst_alloc+0x97/0x150 [ 525.420557][ T73] ip6_dst_alloc+0x23/0x90 [ 525.420557][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 525.420557][ T73] ip6_pol_route+0x56f/0x840 [ 525.420557][ T73] fib6_rule_lookup+0x456/0x630 [ 525.420557][ T73] ip6_route_input+0x59c/0xa50 [ 525.420557][ T73] ipv6_rcv+0x397/0x810 [ 525.420557][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 525.420557][ T73] process_backlog+0x101/0x620 [ 525.420557][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 525.420557][ T73] net_rx_action+0x495/0xbe0 [ 525.420557][ T73] __do_softirq+0x1b5/0x7f6 [ 525.420557][ T73] [ 525.422223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.422223][ T73] netdev_get_by_index+0x5e/0x80 [ 525.422223][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.422223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.422223][ T73] addrconf_f6i_alloc+0x265/0x560 [ 525.422223][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 525.422223][ T73] addrconf_join_anycast+0x1c0/0x220 [ 525.422223][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 525.422223][ T73] addrconf_dad_completed+0x12b/0xe20 [ 525.422223][ T73] addrconf_dad_begin+0x310/0x670 [ 525.422223][ T73] addrconf_dad_work+0x10b/0xab0 [ 525.422223][ T73] process_one_work+0x84d/0x18a0 [ 525.422223][ T73] worker_thread+0x587/0xd30 [ 525.422223][ T73] kthread+0x28a/0x350 [ 525.422223][ T73] ret_from_fork+0x31/0x70 [ 525.422223][ T73] ret_from_fork_asm+0x1a/0x30 [ 525.422223][ T73] [ 525.424134][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.424134][ T73] netdev_get_by_index+0x5e/0x80 [ 525.424134][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.424134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.424134][ T73] ip6_route_add+0x1c/0x140 [ 525.424134][ T73] addrconf_prefix_route+0x2a6/0x430 [ 525.424134][ T73] inet6_addr_add+0x4f8/0xa40 [ 525.424134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.424134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.424134][ T73] netlink_rcv_skb+0x130/0x360 [ 525.424134][ T73] netlink_unicast+0x449/0x710 [ 525.424134][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.424134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.424134][ T73] ___sys_sendmsg+0xee/0x170 [ 525.424134][ T73] __sys_sendmsg+0xcd/0x170 [ 525.424134][ T73] do_syscall_64+0xc6/0x1e0 [ 525.424134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.424134][ T73] [ 525.426141][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.426141][ T73] netdev_get_by_index+0x5e/0x80 [ 525.426141][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.426141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.426141][ T73] addrconf_f6i_alloc+0x315/0x560 [ 525.426141][ T73] ipv6_add_addr+0x411/0x2000 [ 525.426141][ T73] inet6_addr_add+0x30e/0xa40 [ 525.426141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.426141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.426141][ T73] netlink_rcv_skb+0x130/0x360 [ 525.426141][ T73] netlink_unicast+0x449/0x710 [ 525.426141][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.426141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.426141][ T73] ___sys_sendmsg+0xee/0x170 [ 525.426141][ T73] __sys_sendmsg+0xcd/0x170 [ 525.426141][ T73] do_syscall_64+0xc6/0x1e0 [ 525.426141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.426141][ T73] [ 525.428139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.428139][ T73] netdev_get_by_index+0x5e/0x80 [ 525.428139][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.428139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.428139][ T73] ip6_route_add+0x1c/0x140 [ 525.428139][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 525.428139][ T73] addrconf_add_dev+0xe2/0x170 [ 525.428139][ T73] inet6_addr_add+0x12f/0xa40 [ 525.428139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.428139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.428139][ T73] netlink_rcv_skb+0x130/0x360 [ 525.428139][ T73] netlink_unicast+0x449/0x710 [ 525.428139][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.428139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.428139][ T73] ___sys_sendmsg+0xee/0x170 [ 525.428139][ T73] __sys_sendmsg+0xcd/0x170 [ 525.428139][ T73] do_syscall_64+0xc6/0x1e0 [ 525.428139][ T73] [ 525.430125][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.430125][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 525.430125][ T73] ipv6_find_idev+0x102/0x170 [ 525.430125][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.430125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.430125][ T73] netlink_rcv_skb+0x130/0x360 [ 525.430125][ T73] netlink_unicast+0x449/0x710 [ 525.430125][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.430125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.430125][ T73] ___sys_sendmsg+0xee/0x170 [ 525.430125][ T73] __sys_sendmsg+0xcd/0x170 [ 525.430125][ T73] do_syscall_64+0xc6/0x1e0 [ 525.430125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.430125][ T73] [ 525.431658][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 525.431658][ T73] neigh_parms_alloc+0x1e5/0x510 [ 525.431658][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 525.431658][ T73] ipv6_find_idev+0x102/0x170 [ 525.431658][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.431658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.431658][ T73] netlink_rcv_skb+0x130/0x360 [ 525.431658][ T73] netlink_unicast+0x449/0x710 [ 525.431658][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.431658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.431658][ T73] ___sys_sendmsg+0xee/0x170 [ 525.431658][ T73] __sys_sendmsg+0xcd/0x170 [ 525.431658][ T73] do_syscall_64+0xc6/0x1e0 [ 525.431658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.431658][ T73] [ 525.433497][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 525.433781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.433781][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 525.433781][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 525.433781][ T73] fib6_nh_init+0xa22/0x1580 [ 525.433781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.433781][ T73] ip6_route_add+0x1c/0x140 [ 525.433781][ T73] inet6_rtm_newroute+0x104/0x110 [ 525.433781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.433781][ T73] netlink_rcv_skb+0x130/0x360 [ 525.433781][ T73] netlink_unicast+0x449/0x710 [ 525.433781][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.433781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.433781][ T73] ___sys_sendmsg+0xee/0x170 [ 525.433781][ T73] __sys_sendmsg+0xcd/0x170 [ 525.433781][ T73] do_syscall_64+0xc6/0x1e0 [ 525.433781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.433781][ T73] [ 525.435961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.435961][ T73] dst_init+0x84/0x4a0 [ 525.435961][ T73] dst_alloc+0x97/0x150 [ 525.435961][ T73] ip6_dst_alloc+0x23/0x90 [ 525.435961][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 525.435961][ T73] ip6_pol_route+0x56f/0x840 [ 525.435961][ T73] fib6_rule_lookup+0x456/0x630 [ 525.435961][ T73] ip6_route_input+0x59c/0xa50 [ 525.435961][ T73] ipv6_rcv+0x397/0x810 [ 525.435961][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 525.435961][ T73] process_backlog+0x101/0x620 [ 525.435961][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 525.435961][ T73] net_rx_action+0x495/0xbe0 [ 525.435961][ T73] __do_softirq+0x1b5/0x7f6 [ 525.435961][ T73] [ 525.438185][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.438185][ T73] netdev_get_by_index+0x5e/0x80 [ 525.438185][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.438185][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.438185][ T73] ip6_route_add+0x1c/0x140 [ 525.438185][ T73] addrconf_prefix_route+0x2a6/0x430 [ 525.438185][ T73] inet6_addr_add+0x4f8/0xa40 [ 525.438185][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.438185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.438185][ T73] netlink_rcv_skb+0x130/0x360 [ 525.438185][ T73] netlink_unicast+0x449/0x710 [ 525.438185][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.438185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.438185][ T73] ___sys_sendmsg+0xee/0x170 [ 525.438185][ T73] __sys_sendmsg+0xcd/0x170 [ 525.438185][ T73] do_syscall_64+0xc6/0x1e0 [ 525.438185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.438185][ T73] [ 525.440462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.440462][ T73] netdev_get_by_index+0x5e/0x80 [ 525.440462][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.440462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.440462][ T73] addrconf_f6i_alloc+0x315/0x560 [ 525.440462][ T73] ipv6_add_addr+0x411/0x2000 [ 525.440462][ T73] inet6_addr_add+0x30e/0xa40 [ 525.440462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.440462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.440462][ T73] netlink_rcv_skb+0x130/0x360 [ 525.440462][ T73] netlink_unicast+0x449/0x710 [ 525.440462][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.440462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.440462][ T73] ___sys_sendmsg+0xee/0x170 [ 525.440462][ T73] __sys_sendmsg+0xcd/0x170 [ 525.440462][ T73] do_syscall_64+0xc6/0x1e0 [ 525.440462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.440462][ T73] [ 525.442687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.442687][ T73] netdev_get_by_index+0x5e/0x80 [ 525.442687][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.442687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.442687][ T73] ip6_route_add+0x1c/0x140 [ 525.442687][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 525.442687][ T73] addrconf_add_dev+0xe2/0x170 [ 525.442687][ T73] inet6_addr_add+0x12f/0xa40 [ 525.442687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.442687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.442687][ T73] netlink_rcv_skb+0x130/0x360 [ 525.442687][ T73] netlink_unicast+0x449/0x710 [ 525.442687][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.442687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.442687][ T73] ___sys_sendmsg+0xee/0x170 [ 525.442687][ T73] __sys_sendmsg+0xcd/0x170 [ 525.442687][ T73] do_syscall_64+0xc6/0x1e0 [ 525.442687][ T73] [ 525.444904][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.444904][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 525.444904][ T73] ipv6_find_idev+0x102/0x170 [ 525.444904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.444904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.444904][ T73] netlink_rcv_skb+0x130/0x360 [ 525.444904][ T73] netlink_unicast+0x449/0x710 [ 525.444904][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.444904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.444904][ T73] ___sys_sendmsg+0xee/0x170 [ 525.444904][ T73] __sys_sendmsg+0xcd/0x170 [ 525.444904][ T73] do_syscall_64+0xc6/0x1e0 [ 525.444904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.444904][ T73] [ 525.446613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 525.446613][ T73] neigh_parms_alloc+0x1e5/0x510 [ 525.446613][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 525.446613][ T73] ipv6_find_idev+0x102/0x170 [ 525.446613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.446613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.446613][ T73] netlink_rcv_skb+0x130/0x360 [ 525.446613][ T73] netlink_unicast+0x449/0x710 [ 525.446613][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.446613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.446613][ T73] ___sys_sendmsg+0xee/0x170 [ 525.446613][ T73] __sys_sendmsg+0xcd/0x170 [ 525.446613][ T73] do_syscall_64+0xc6/0x1e0 [ 525.446613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.446613][ T73] [ 525.448588][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 525.449317][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 525.449317][ T73] netdev_get_by_index+0x5e/0x80 [ 525.449317][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.449317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.449317][ T73] addrconf_f6i_alloc+0x265/0x560 [ 525.449317][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 525.449317][ T73] addrconf_join_anycast+0x1c0/0x220 [ 525.449317][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 525.449317][ T73] addrconf_dad_completed+0x12b/0xe20 [ 525.449317][ T73] addrconf_dad_begin+0x310/0x670 [ 525.449317][ T73] addrconf_dad_work+0x10b/0xab0 [ 525.449317][ T73] process_one_work+0x84d/0x18a0 [ 525.449317][ T73] worker_thread+0x587/0xd30 [ 525.449317][ T73] kthread+0x28a/0x350 [ 525.449317][ T73] ret_from_fork+0x31/0x70 [ 525.449317][ T73] ret_from_fork_asm+0x1a/0x30 [ 525.449317][ T73] [ 525.451215][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 525.451215][ T73] netdev_get_by_index+0x5e/0x80 [ 525.451215][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.451215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.451215][ T73] ip6_route_add+0x1c/0x140 [ 525.451215][ T73] addrconf_prefix_route+0x2a6/0x430 [ 525.451215][ T73] inet6_addr_add+0x4f8/0xa40 [ 525.451215][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.451215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.451215][ T73] netlink_rcv_skb+0x130/0x360 [ 525.451215][ T73] netlink_unicast+0x449/0x710 [ 525.451215][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.451215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.451215][ T73] ___sys_sendmsg+0xee/0x170 [ 525.451215][ T73] __sys_sendmsg+0xcd/0x170 [ 525.451215][ T73] do_syscall_64+0xc6/0x1e0 [ 525.451215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.451215][ T73] [ 525.453349][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 525.453349][ T73] netdev_get_by_index+0x5e/0x80 [ 525.453349][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.453349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.453349][ T73] addrconf_f6i_alloc+0x315/0x560 [ 525.453349][ T73] ipv6_add_addr+0x411/0x2000 [ 525.453349][ T73] inet6_addr_add+0x30e/0xa40 [ 525.453349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.453349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.453349][ T73] netlink_rcv_skb+0x130/0x360 [ 525.453349][ T73] netlink_unicast+0x449/0x710 [ 525.453349][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.453349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.453349][ T73] ___sys_sendmsg+0xee/0x170 [ 525.453349][ T73] __sys_sendmsg+0xcd/0x170 [ 525.453349][ T73] do_syscall_64+0xc6/0x1e0 [ 525.453349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.453349][ T73] [ 525.455576][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 525.455576][ T73] netdev_get_by_index+0x5e/0x80 [ 525.455576][ T73] fib6_nh_init+0x3d8/0x1580 [ 525.455576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 525.455576][ T73] ip6_route_add+0x1c/0x140 [ 525.455576][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 525.455576][ T73] addrconf_add_dev+0xe2/0x170 [ 525.455576][ T73] inet6_addr_add+0x12f/0xa40 [ 525.455576][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 525.455576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.455576][ T73] netlink_rcv_skb+0x130/0x360 [ 525.455576][ T73] netlink_unicast+0x449/0x710 [ 525.455576][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.455576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.455576][ T73] ___sys_sendmsg+0xee/0x170 [ 525.455576][ T73] __sys_sendmsg+0xcd/0x170 [ 525.455576][ T73] do_syscall_64+0xc6/0x1e0 [ 525.455576][ T73] [ 525.457795][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 525.457795][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 525.457795][ T73] ipv6_find_idev+0x102/0x170 [ 525.457795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.457795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.457795][ T73] netlink_rcv_skb+0x130/0x360 [ 525.457795][ T73] netlink_unicast+0x449/0x710 [ 525.457795][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.457795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.457795][ T73] ___sys_sendmsg+0xee/0x170 [ 525.457795][ T73] __sys_sendmsg+0xcd/0x170 [ 525.457795][ T73] do_syscall_64+0xc6/0x1e0 [ 525.457795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.457795][ T73] [ 525.459533][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 525.459533][ T73] neigh_parms_alloc+0x1e5/0x510 [ 525.459533][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 525.459533][ T73] ipv6_find_idev+0x102/0x170 [ 525.459533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 525.459533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 525.459533][ T73] netlink_rcv_skb+0x130/0x360 [ 525.459533][ T73] netlink_unicast+0x449/0x710 [ 525.459533][ T73] netlink_sendmsg+0x723/0xbe0 [ 525.459533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 525.459533][ T73] ___sys_sendmsg+0xee/0x170 [ 525.459533][ T73] __sys_sendmsg+0xcd/0x170 [ 525.459533][ T73] do_syscall_64+0xc6/0x1e0 [ 525.459533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 525.459533][ T73] [ 535.838944][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 535.839394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.839394][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 535.839394][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 535.839394][ T73] fib6_nh_init+0xa22/0x1580 [ 535.839394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.839394][ T73] ip6_route_add+0x1c/0x140 [ 535.839394][ T73] inet6_rtm_newroute+0x104/0x110 [ 535.839394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.839394][ T73] netlink_rcv_skb+0x130/0x360 [ 535.839394][ T73] netlink_unicast+0x449/0x710 [ 535.839394][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.839394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.839394][ T73] ___sys_sendmsg+0xee/0x170 [ 535.839394][ T73] __sys_sendmsg+0xcd/0x170 [ 535.839394][ T73] do_syscall_64+0xc6/0x1e0 [ 535.839394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.839394][ T73] [ 535.841498][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.841498][ T73] dst_init+0x84/0x4a0 [ 535.841498][ T73] dst_alloc+0x97/0x150 [ 535.841498][ T73] ip6_dst_alloc+0x23/0x90 [ 535.841498][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 535.841498][ T73] ip6_pol_route+0x56f/0x840 [ 535.841498][ T73] fib6_rule_lookup+0x456/0x630 [ 535.841498][ T73] ip6_route_input+0x59c/0xa50 [ 535.841498][ T73] ipv6_rcv+0x397/0x810 [ 535.841498][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 535.841498][ T73] process_backlog+0x101/0x620 [ 535.841498][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 535.841498][ T73] net_rx_action+0x495/0xbe0 [ 535.841498][ T73] __do_softirq+0x1b5/0x7f6 [ 535.841498][ T73] [ 535.843320][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.843320][ T73] netdev_get_by_index+0x5e/0x80 [ 535.843320][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.843320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.843320][ T73] ip6_route_add+0x1c/0x140 [ 535.843320][ T73] addrconf_prefix_route+0x2a6/0x430 [ 535.843320][ T73] inet6_addr_add+0x4f8/0xa40 [ 535.843320][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.843320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.843320][ T73] netlink_rcv_skb+0x130/0x360 [ 535.843320][ T73] netlink_unicast+0x449/0x710 [ 535.843320][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.843320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.843320][ T73] ___sys_sendmsg+0xee/0x170 [ 535.843320][ T73] __sys_sendmsg+0xcd/0x170 [ 535.843320][ T73] do_syscall_64+0xc6/0x1e0 [ 535.843320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.843320][ T73] [ 535.845495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.845495][ T73] netdev_get_by_index+0x5e/0x80 [ 535.845495][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.845495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.845495][ T73] addrconf_f6i_alloc+0x315/0x560 [ 535.845495][ T73] ipv6_add_addr+0x411/0x2000 [ 535.845495][ T73] inet6_addr_add+0x30e/0xa40 [ 535.845495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.845495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.845495][ T73] netlink_rcv_skb+0x130/0x360 [ 535.845495][ T73] netlink_unicast+0x449/0x710 [ 535.845495][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.845495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.845495][ T73] ___sys_sendmsg+0xee/0x170 [ 535.845495][ T73] __sys_sendmsg+0xcd/0x170 [ 535.845495][ T73] do_syscall_64+0xc6/0x1e0 [ 535.845495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.845495][ T73] [ 535.847698][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.847698][ T73] netdev_get_by_index+0x5e/0x80 [ 535.847698][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.847698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.847698][ T73] ip6_route_add+0x1c/0x140 [ 535.847698][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 535.847698][ T73] addrconf_add_dev+0xe2/0x170 [ 535.847698][ T73] inet6_addr_add+0x12f/0xa40 [ 535.847698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.847698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.847698][ T73] netlink_rcv_skb+0x130/0x360 [ 535.847698][ T73] netlink_unicast+0x449/0x710 [ 535.847698][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.847698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.847698][ T73] ___sys_sendmsg+0xee/0x170 [ 535.847698][ T73] __sys_sendmsg+0xcd/0x170 [ 535.847698][ T73] do_syscall_64+0xc6/0x1e0 [ 535.847698][ T73] [ 535.849846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.849846][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 535.849846][ T73] ipv6_find_idev+0x102/0x170 [ 535.849846][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.849846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.849846][ T73] netlink_rcv_skb+0x130/0x360 [ 535.849846][ T73] netlink_unicast+0x449/0x710 [ 535.849846][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.849846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.849846][ T73] ___sys_sendmsg+0xee/0x170 [ 535.849846][ T73] __sys_sendmsg+0xcd/0x170 [ 535.849846][ T73] do_syscall_64+0xc6/0x1e0 [ 535.849846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.849846][ T73] [ 535.851517][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 535.851517][ T73] neigh_parms_alloc+0x1e5/0x510 [ 535.851517][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 535.851517][ T73] ipv6_find_idev+0x102/0x170 [ 535.851517][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.851517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.851517][ T73] netlink_rcv_skb+0x130/0x360 [ 535.851517][ T73] netlink_unicast+0x449/0x710 [ 535.851517][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.851517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.851517][ T73] ___sys_sendmsg+0xee/0x170 [ 535.851517][ T73] __sys_sendmsg+0xcd/0x170 [ 535.851517][ T73] do_syscall_64+0xc6/0x1e0 [ 535.851517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.851517][ T73] [ 535.853371][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 535.853661][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.853661][ T73] dst_init+0x84/0x4a0 [ 535.853661][ T73] dst_alloc+0x97/0x150 [ 535.853661][ T73] ip6_dst_alloc+0x23/0x90 [ 535.853661][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 535.853661][ T73] ip6_pol_route+0x56f/0x840 [ 535.853661][ T73] fib6_rule_lookup+0x456/0x630 [ 535.853661][ T73] ip6_route_input+0x59c/0xa50 [ 535.853661][ T73] ipv6_rcv+0x397/0x810 [ 535.853661][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 535.853661][ T73] process_backlog+0x101/0x620 [ 535.853661][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 535.853661][ T73] net_rx_action+0x495/0xbe0 [ 535.853661][ T73] __do_softirq+0x1b5/0x7f6 [ 535.853661][ T73] [ 535.855451][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.855451][ T73] netdev_get_by_index+0x5e/0x80 [ 535.855451][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.855451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.855451][ T73] addrconf_f6i_alloc+0x265/0x560 [ 535.855451][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 535.855451][ T73] addrconf_join_anycast+0x1c0/0x220 [ 535.855451][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 535.855451][ T73] addrconf_dad_completed+0x12b/0xe20 [ 535.855451][ T73] addrconf_dad_begin+0x310/0x670 [ 535.855451][ T73] addrconf_dad_work+0x10b/0xab0 [ 535.855451][ T73] process_one_work+0x84d/0x18a0 [ 535.855451][ T73] worker_thread+0x587/0xd30 [ 535.855451][ T73] kthread+0x28a/0x350 [ 535.855451][ T73] ret_from_fork+0x31/0x70 [ 535.855451][ T73] ret_from_fork_asm+0x1a/0x30 [ 535.855451][ T73] [ 535.857530][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.857530][ T73] netdev_get_by_index+0x5e/0x80 [ 535.857530][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.857530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.857530][ T73] ip6_route_add+0x1c/0x140 [ 535.857530][ T73] addrconf_prefix_route+0x2a6/0x430 [ 535.857530][ T73] inet6_addr_add+0x4f8/0xa40 [ 535.857530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.857530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.857530][ T73] netlink_rcv_skb+0x130/0x360 [ 535.857530][ T73] netlink_unicast+0x449/0x710 [ 535.857530][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.857530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.857530][ T73] ___sys_sendmsg+0xee/0x170 [ 535.857530][ T73] __sys_sendmsg+0xcd/0x170 [ 535.857530][ T73] do_syscall_64+0xc6/0x1e0 [ 535.857530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.857530][ T73] [ 535.859551][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.859551][ T73] netdev_get_by_index+0x5e/0x80 [ 535.859551][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.859551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.859551][ T73] addrconf_f6i_alloc+0x315/0x560 [ 535.859551][ T73] ipv6_add_addr+0x411/0x2000 [ 535.859551][ T73] inet6_addr_add+0x30e/0xa40 [ 535.859551][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.859551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.859551][ T73] netlink_rcv_skb+0x130/0x360 [ 535.859551][ T73] netlink_unicast+0x449/0x710 [ 535.859551][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.859551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.859551][ T73] ___sys_sendmsg+0xee/0x170 [ 535.859551][ T73] __sys_sendmsg+0xcd/0x170 [ 535.859551][ T73] do_syscall_64+0xc6/0x1e0 [ 535.859551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.859551][ T73] [ 535.861535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.861535][ T73] netdev_get_by_index+0x5e/0x80 [ 535.861535][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.861535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.861535][ T73] ip6_route_add+0x1c/0x140 [ 535.861535][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 535.861535][ T73] addrconf_add_dev+0xe2/0x170 [ 535.861535][ T73] inet6_addr_add+0x12f/0xa40 [ 535.861535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.861535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.861535][ T73] netlink_rcv_skb+0x130/0x360 [ 535.861535][ T73] netlink_unicast+0x449/0x710 [ 535.861535][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.861535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.861535][ T73] ___sys_sendmsg+0xee/0x170 [ 535.861535][ T73] __sys_sendmsg+0xcd/0x170 [ 535.861535][ T73] do_syscall_64+0xc6/0x1e0 [ 535.861535][ T73] [ 535.863487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.863487][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 535.863487][ T73] ipv6_find_idev+0x102/0x170 [ 535.863487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.863487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.863487][ T73] netlink_rcv_skb+0x130/0x360 [ 535.863487][ T73] netlink_unicast+0x449/0x710 [ 535.863487][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.863487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.863487][ T73] ___sys_sendmsg+0xee/0x170 [ 535.863487][ T73] __sys_sendmsg+0xcd/0x170 [ 535.863487][ T73] do_syscall_64+0xc6/0x1e0 [ 535.863487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.863487][ T73] [ 535.865008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 535.865008][ T73] neigh_parms_alloc+0x1e5/0x510 [ 535.865008][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 535.865008][ T73] ipv6_find_idev+0x102/0x170 [ 535.865008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.865008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.865008][ T73] netlink_rcv_skb+0x130/0x360 [ 535.865008][ T73] netlink_unicast+0x449/0x710 [ 535.865008][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.865008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.865008][ T73] ___sys_sendmsg+0xee/0x170 [ 535.865008][ T73] __sys_sendmsg+0xcd/0x170 [ 535.865008][ T73] do_syscall_64+0xc6/0x1e0 [ 535.865008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.865008][ T73] [ 535.866793][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 535.867061][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.867061][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 535.867061][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 535.867061][ T73] fib6_nh_init+0xa22/0x1580 [ 535.867061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.867061][ T73] ip6_route_add+0x1c/0x140 [ 535.867061][ T73] inet6_rtm_newroute+0x104/0x110 [ 535.867061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.867061][ T73] netlink_rcv_skb+0x130/0x360 [ 535.867061][ T73] netlink_unicast+0x449/0x710 [ 535.867061][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.867061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.867061][ T73] ___sys_sendmsg+0xee/0x170 [ 535.867061][ T73] __sys_sendmsg+0xcd/0x170 [ 535.867061][ T73] do_syscall_64+0xc6/0x1e0 [ 535.867061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.867061][ T73] [ 535.869183][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.869183][ T73] dst_init+0x84/0x4a0 [ 535.869183][ T73] dst_alloc+0x97/0x150 [ 535.869183][ T73] ip6_dst_alloc+0x23/0x90 [ 535.869183][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 535.869183][ T73] ip6_pol_route+0x56f/0x840 [ 535.869183][ T73] fib6_rule_lookup+0x456/0x630 [ 535.869183][ T73] ip6_route_input+0x59c/0xa50 [ 535.869183][ T73] ipv6_rcv+0x397/0x810 [ 535.869183][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 535.869183][ T73] process_backlog+0x101/0x620 [ 535.869183][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 535.869183][ T73] net_rx_action+0x495/0xbe0 [ 535.869183][ T73] __do_softirq+0x1b5/0x7f6 [ 535.869183][ T73] [ 535.870985][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.870985][ T73] netdev_get_by_index+0x5e/0x80 [ 535.870985][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.870985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.870985][ T73] ip6_route_add+0x1c/0x140 [ 535.870985][ T73] addrconf_prefix_route+0x2a6/0x430 [ 535.870985][ T73] inet6_addr_add+0x4f8/0xa40 [ 535.870985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.870985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.870985][ T73] netlink_rcv_skb+0x130/0x360 [ 535.870985][ T73] netlink_unicast+0x449/0x710 [ 535.870985][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.870985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.870985][ T73] ___sys_sendmsg+0xee/0x170 [ 535.870985][ T73] __sys_sendmsg+0xcd/0x170 [ 535.870985][ T73] do_syscall_64+0xc6/0x1e0 [ 535.870985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.870985][ T73] [ 535.873203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.873203][ T73] netdev_get_by_index+0x5e/0x80 [ 535.873203][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.873203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.873203][ T73] addrconf_f6i_alloc+0x315/0x560 [ 535.873203][ T73] ipv6_add_addr+0x411/0x2000 [ 535.873203][ T73] inet6_addr_add+0x30e/0xa40 [ 535.873203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.873203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.873203][ T73] netlink_rcv_skb+0x130/0x360 [ 535.873203][ T73] netlink_unicast+0x449/0x710 [ 535.873203][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.873203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.873203][ T73] ___sys_sendmsg+0xee/0x170 [ 535.873203][ T73] __sys_sendmsg+0xcd/0x170 [ 535.873203][ T73] do_syscall_64+0xc6/0x1e0 [ 535.873203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.873203][ T73] [ 535.875501][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.875501][ T73] netdev_get_by_index+0x5e/0x80 [ 535.875501][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.875501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.875501][ T73] ip6_route_add+0x1c/0x140 [ 535.875501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 535.875501][ T73] addrconf_add_dev+0xe2/0x170 [ 535.875501][ T73] inet6_addr_add+0x12f/0xa40 [ 535.875501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.875501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.875501][ T73] netlink_rcv_skb+0x130/0x360 [ 535.875501][ T73] netlink_unicast+0x449/0x710 [ 535.875501][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.875501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.875501][ T73] ___sys_sendmsg+0xee/0x170 [ 535.875501][ T73] __sys_sendmsg+0xcd/0x170 [ 535.875501][ T73] do_syscall_64+0xc6/0x1e0 [ 535.875501][ T73] [ 535.877658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.877658][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 535.877658][ T73] ipv6_find_idev+0x102/0x170 [ 535.877658][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.877658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.877658][ T73] netlink_rcv_skb+0x130/0x360 [ 535.877658][ T73] netlink_unicast+0x449/0x710 [ 535.877658][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.877658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.877658][ T73] ___sys_sendmsg+0xee/0x170 [ 535.877658][ T73] __sys_sendmsg+0xcd/0x170 [ 535.877658][ T73] do_syscall_64+0xc6/0x1e0 [ 535.877658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.877658][ T73] [ 535.879372][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 535.879372][ T73] neigh_parms_alloc+0x1e5/0x510 [ 535.879372][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 535.879372][ T73] ipv6_find_idev+0x102/0x170 [ 535.879372][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.879372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.879372][ T73] netlink_rcv_skb+0x130/0x360 [ 535.879372][ T73] netlink_unicast+0x449/0x710 [ 535.879372][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.879372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.879372][ T73] ___sys_sendmsg+0xee/0x170 [ 535.879372][ T73] __sys_sendmsg+0xcd/0x170 [ 535.879372][ T73] do_syscall_64+0xc6/0x1e0 [ 535.879372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.879372][ T73] [ 535.881283][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 535.881566][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 535.881566][ T73] netdev_get_by_index+0x5e/0x80 [ 535.881566][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.881566][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.881566][ T73] addrconf_f6i_alloc+0x265/0x560 [ 535.881566][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 535.881566][ T73] addrconf_join_anycast+0x1c0/0x220 [ 535.881566][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 535.881566][ T73] addrconf_dad_completed+0x12b/0xe20 [ 535.881566][ T73] addrconf_dad_begin+0x310/0x670 [ 535.881566][ T73] addrconf_dad_work+0x10b/0xab0 [ 535.881566][ T73] process_one_work+0x84d/0x18a0 [ 535.881566][ T73] worker_thread+0x587/0xd30 [ 535.881566][ T73] kthread+0x28a/0x350 [ 535.881566][ T73] ret_from_fork+0x31/0x70 [ 535.881566][ T73] ret_from_fork_asm+0x1a/0x30 [ 535.881566][ T73] [ 535.883757][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 535.883757][ T73] netdev_get_by_index+0x5e/0x80 [ 535.883757][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.883757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.883757][ T73] ip6_route_add+0x1c/0x140 [ 535.883757][ T73] addrconf_prefix_route+0x2a6/0x430 [ 535.883757][ T73] inet6_addr_add+0x4f8/0xa40 [ 535.883757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.883757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.883757][ T73] netlink_rcv_skb+0x130/0x360 [ 535.883757][ T73] netlink_unicast+0x449/0x710 [ 535.883757][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.883757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.883757][ T73] ___sys_sendmsg+0xee/0x170 [ 535.883757][ T73] __sys_sendmsg+0xcd/0x170 [ 535.883757][ T73] do_syscall_64+0xc6/0x1e0 [ 535.883757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.883757][ T73] [ 535.885914][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 535.885914][ T73] netdev_get_by_index+0x5e/0x80 [ 535.885914][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.885914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.885914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 535.885914][ T73] ipv6_add_addr+0x411/0x2000 [ 535.885914][ T73] inet6_addr_add+0x30e/0xa40 [ 535.885914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.885914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.885914][ T73] netlink_rcv_skb+0x130/0x360 [ 535.885914][ T73] netlink_unicast+0x449/0x710 [ 535.885914][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.885914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.885914][ T73] ___sys_sendmsg+0xee/0x170 [ 535.885914][ T73] __sys_sendmsg+0xcd/0x170 [ 535.885914][ T73] do_syscall_64+0xc6/0x1e0 [ 535.885914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.885914][ T73] [ 535.888174][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 535.888174][ T73] netdev_get_by_index+0x5e/0x80 [ 535.888174][ T73] fib6_nh_init+0x3d8/0x1580 [ 535.888174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 535.888174][ T73] ip6_route_add+0x1c/0x140 [ 535.888174][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 535.888174][ T73] addrconf_add_dev+0xe2/0x170 [ 535.888174][ T73] inet6_addr_add+0x12f/0xa40 [ 535.888174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 535.888174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.888174][ T73] netlink_rcv_skb+0x130/0x360 [ 535.888174][ T73] netlink_unicast+0x449/0x710 [ 535.888174][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.888174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.888174][ T73] ___sys_sendmsg+0xee/0x170 [ 535.888174][ T73] __sys_sendmsg+0xcd/0x170 [ 535.888174][ T73] do_syscall_64+0xc6/0x1e0 [ 535.888174][ T73] [ 535.890354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 535.890354][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 535.890354][ T73] ipv6_find_idev+0x102/0x170 [ 535.890354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.890354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.890354][ T73] netlink_rcv_skb+0x130/0x360 [ 535.890354][ T73] netlink_unicast+0x449/0x710 [ 535.890354][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.890354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.890354][ T73] ___sys_sendmsg+0xee/0x170 [ 535.890354][ T73] __sys_sendmsg+0xcd/0x170 [ 535.890354][ T73] do_syscall_64+0xc6/0x1e0 [ 535.890354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.890354][ T73] [ 535.892061][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 535.892061][ T73] neigh_parms_alloc+0x1e5/0x510 [ 535.892061][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 535.892061][ T73] ipv6_find_idev+0x102/0x170 [ 535.892061][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 535.892061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 535.892061][ T73] netlink_rcv_skb+0x130/0x360 [ 535.892061][ T73] netlink_unicast+0x449/0x710 [ 535.892061][ T73] netlink_sendmsg+0x723/0xbe0 [ 535.892061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 535.892061][ T73] ___sys_sendmsg+0xee/0x170 [ 535.892061][ T73] __sys_sendmsg+0xcd/0x170 [ 535.892061][ T73] do_syscall_64+0xc6/0x1e0 [ 535.892061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 535.892061][ T73] [ 546.142947][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 546.143411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.143411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 546.143411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 546.143411][ T73] fib6_nh_init+0xa22/0x1580 [ 546.143411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.143411][ T73] ip6_route_add+0x1c/0x140 [ 546.143411][ T73] inet6_rtm_newroute+0x104/0x110 [ 546.143411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.143411][ T73] netlink_rcv_skb+0x130/0x360 [ 546.143411][ T73] netlink_unicast+0x449/0x710 [ 546.143411][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.143411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.143411][ T73] ___sys_sendmsg+0xee/0x170 [ 546.143411][ T73] __sys_sendmsg+0xcd/0x170 [ 546.143411][ T73] do_syscall_64+0xc6/0x1e0 [ 546.143411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.143411][ T73] [ 546.145445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.145445][ T73] dst_init+0x84/0x4a0 [ 546.145445][ T73] dst_alloc+0x97/0x150 [ 546.145445][ T73] ip6_dst_alloc+0x23/0x90 [ 546.145445][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 546.145445][ T73] ip6_pol_route+0x56f/0x840 [ 546.145445][ T73] fib6_rule_lookup+0x456/0x630 [ 546.145445][ T73] ip6_route_input+0x59c/0xa50 [ 546.145445][ T73] ipv6_rcv+0x397/0x810 [ 546.145445][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 546.145445][ T73] process_backlog+0x101/0x620 [ 546.145445][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 546.145445][ T73] net_rx_action+0x495/0xbe0 [ 546.145445][ T73] __do_softirq+0x1b5/0x7f6 [ 546.145445][ T73] [ 546.147109][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.147109][ T73] netdev_get_by_index+0x5e/0x80 [ 546.147109][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.147109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.147109][ T73] ip6_route_add+0x1c/0x140 [ 546.147109][ T73] addrconf_prefix_route+0x2a6/0x430 [ 546.147109][ T73] inet6_addr_add+0x4f8/0xa40 [ 546.147109][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.147109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.147109][ T73] netlink_rcv_skb+0x130/0x360 [ 546.147109][ T73] netlink_unicast+0x449/0x710 [ 546.147109][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.147109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.147109][ T73] ___sys_sendmsg+0xee/0x170 [ 546.147109][ T73] __sys_sendmsg+0xcd/0x170 [ 546.147109][ T73] do_syscall_64+0xc6/0x1e0 [ 546.147109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.147109][ T73] [ 546.149138][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.149138][ T73] netdev_get_by_index+0x5e/0x80 [ 546.149138][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.149138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.149138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 546.149138][ T73] ipv6_add_addr+0x411/0x2000 [ 546.149138][ T73] inet6_addr_add+0x30e/0xa40 [ 546.149138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.149138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.149138][ T73] netlink_rcv_skb+0x130/0x360 [ 546.149138][ T73] netlink_unicast+0x449/0x710 [ 546.149138][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.149138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.149138][ T73] ___sys_sendmsg+0xee/0x170 [ 546.149138][ T73] __sys_sendmsg+0xcd/0x170 [ 546.149138][ T73] do_syscall_64+0xc6/0x1e0 [ 546.149138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.149138][ T73] [ 546.151160][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.151160][ T73] netdev_get_by_index+0x5e/0x80 [ 546.151160][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.151160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.151160][ T73] ip6_route_add+0x1c/0x140 [ 546.151160][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 546.151160][ T73] addrconf_add_dev+0xe2/0x170 [ 546.151160][ T73] inet6_addr_add+0x12f/0xa40 [ 546.151160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.151160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.151160][ T73] netlink_rcv_skb+0x130/0x360 [ 546.151160][ T73] netlink_unicast+0x449/0x710 [ 546.151160][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.151160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.151160][ T73] ___sys_sendmsg+0xee/0x170 [ 546.151160][ T73] __sys_sendmsg+0xcd/0x170 [ 546.151160][ T73] do_syscall_64+0xc6/0x1e0 [ 546.151160][ T73] [ 546.153182][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.153182][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 546.153182][ T73] ipv6_find_idev+0x102/0x170 [ 546.153182][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.153182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.153182][ T73] netlink_rcv_skb+0x130/0x360 [ 546.153182][ T73] netlink_unicast+0x449/0x710 [ 546.153182][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.153182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.153182][ T73] ___sys_sendmsg+0xee/0x170 [ 546.153182][ T73] __sys_sendmsg+0xcd/0x170 [ 546.153182][ T73] do_syscall_64+0xc6/0x1e0 [ 546.153182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.153182][ T73] [ 546.154736][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 546.154736][ T73] neigh_parms_alloc+0x1e5/0x510 [ 546.154736][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 546.154736][ T73] ipv6_find_idev+0x102/0x170 [ 546.154736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.154736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.154736][ T73] netlink_rcv_skb+0x130/0x360 [ 546.154736][ T73] netlink_unicast+0x449/0x710 [ 546.154736][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.154736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.154736][ T73] ___sys_sendmsg+0xee/0x170 [ 546.154736][ T73] __sys_sendmsg+0xcd/0x170 [ 546.154736][ T73] do_syscall_64+0xc6/0x1e0 [ 546.154736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.154736][ T73] [ 546.156475][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 546.156763][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.156763][ T73] dst_init+0x84/0x4a0 [ 546.156763][ T73] dst_alloc+0x97/0x150 [ 546.156763][ T73] ip6_dst_alloc+0x23/0x90 [ 546.156763][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 546.156763][ T73] ip6_pol_route+0x56f/0x840 [ 546.156763][ T73] fib6_rule_lookup+0x456/0x630 [ 546.156763][ T73] ip6_route_input+0x59c/0xa50 [ 546.156763][ T73] ipv6_rcv+0x397/0x810 [ 546.156763][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 546.156763][ T73] process_backlog+0x101/0x620 [ 546.156763][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 546.156763][ T73] net_rx_action+0x495/0xbe0 [ 546.156763][ T73] __do_softirq+0x1b5/0x7f6 [ 546.156763][ T73] [ 546.158426][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.158426][ T73] netdev_get_by_index+0x5e/0x80 [ 546.158426][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.158426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.158426][ T73] addrconf_f6i_alloc+0x265/0x560 [ 546.158426][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 546.158426][ T73] addrconf_join_anycast+0x1c0/0x220 [ 546.158426][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 546.158426][ T73] addrconf_dad_completed+0x12b/0xe20 [ 546.158426][ T73] addrconf_dad_begin+0x310/0x670 [ 546.158426][ T73] addrconf_dad_work+0x10b/0xab0 [ 546.158426][ T73] process_one_work+0x84d/0x18a0 [ 546.158426][ T73] worker_thread+0x587/0xd30 [ 546.158426][ T73] kthread+0x28a/0x350 [ 546.158426][ T73] ret_from_fork+0x31/0x70 [ 546.158426][ T73] ret_from_fork_asm+0x1a/0x30 [ 546.158426][ T73] [ 546.160337][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.160337][ T73] netdev_get_by_index+0x5e/0x80 [ 546.160337][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.160337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.160337][ T73] ip6_route_add+0x1c/0x140 [ 546.160337][ T73] addrconf_prefix_route+0x2a6/0x430 [ 546.160337][ T73] inet6_addr_add+0x4f8/0xa40 [ 546.160337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.160337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.160337][ T73] netlink_rcv_skb+0x130/0x360 [ 546.160337][ T73] netlink_unicast+0x449/0x710 [ 546.160337][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.160337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.160337][ T73] ___sys_sendmsg+0xee/0x170 [ 546.160337][ T73] __sys_sendmsg+0xcd/0x170 [ 546.160337][ T73] do_syscall_64+0xc6/0x1e0 [ 546.160337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.160337][ T73] [ 546.162633][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.162633][ T73] netdev_get_by_index+0x5e/0x80 [ 546.162633][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.162633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.162633][ T73] addrconf_f6i_alloc+0x315/0x560 [ 546.162633][ T73] ipv6_add_addr+0x411/0x2000 [ 546.162633][ T73] inet6_addr_add+0x30e/0xa40 [ 546.162633][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.162633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.162633][ T73] netlink_rcv_skb+0x130/0x360 [ 546.162633][ T73] netlink_unicast+0x449/0x710 [ 546.162633][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.162633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.162633][ T73] ___sys_sendmsg+0xee/0x170 [ 546.162633][ T73] __sys_sendmsg+0xcd/0x170 [ 546.162633][ T73] do_syscall_64+0xc6/0x1e0 [ 546.162633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.162633][ T73] [ 546.165093][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.165093][ T73] netdev_get_by_index+0x5e/0x80 [ 546.165093][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.165093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.165093][ T73] ip6_route_add+0x1c/0x140 [ 546.165093][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 546.165093][ T73] addrconf_add_dev+0xe2/0x170 [ 546.165093][ T73] inet6_addr_add+0x12f/0xa40 [ 546.165093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.165093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.165093][ T73] netlink_rcv_skb+0x130/0x360 [ 546.165093][ T73] netlink_unicast+0x449/0x710 [ 546.165093][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.165093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.165093][ T73] ___sys_sendmsg+0xee/0x170 [ 546.165093][ T73] __sys_sendmsg+0xcd/0x170 [ 546.165093][ T73] do_syscall_64+0xc6/0x1e0 [ 546.165093][ T73] [ 546.167505][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.167505][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 546.167505][ T73] ipv6_find_idev+0x102/0x170 [ 546.167505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.167505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.167505][ T73] netlink_rcv_skb+0x130/0x360 [ 546.167505][ T73] netlink_unicast+0x449/0x710 [ 546.167505][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.167505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.167505][ T73] ___sys_sendmsg+0xee/0x170 [ 546.167505][ T73] __sys_sendmsg+0xcd/0x170 [ 546.167505][ T73] do_syscall_64+0xc6/0x1e0 [ 546.167505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.167505][ T73] [ 546.169443][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 546.169443][ T73] neigh_parms_alloc+0x1e5/0x510 [ 546.169443][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 546.169443][ T73] ipv6_find_idev+0x102/0x170 [ 546.169443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.169443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.169443][ T73] netlink_rcv_skb+0x130/0x360 [ 546.169443][ T73] netlink_unicast+0x449/0x710 [ 546.169443][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.169443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.169443][ T73] ___sys_sendmsg+0xee/0x170 [ 546.169443][ T73] __sys_sendmsg+0xcd/0x170 [ 546.169443][ T73] do_syscall_64+0xc6/0x1e0 [ 546.169443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.169443][ T73] [ 546.171816][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 546.172175][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.172175][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 546.172175][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 546.172175][ T73] fib6_nh_init+0xa22/0x1580 [ 546.172175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.172175][ T73] ip6_route_add+0x1c/0x140 [ 546.172175][ T73] inet6_rtm_newroute+0x104/0x110 [ 546.172175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.172175][ T73] netlink_rcv_skb+0x130/0x360 [ 546.172175][ T73] netlink_unicast+0x449/0x710 [ 546.172175][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.172175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.172175][ T73] ___sys_sendmsg+0xee/0x170 [ 546.172175][ T73] __sys_sendmsg+0xcd/0x170 [ 546.172175][ T73] do_syscall_64+0xc6/0x1e0 [ 546.172175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.172175][ T73] [ 546.174933][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.174933][ T73] dst_init+0x84/0x4a0 [ 546.174933][ T73] dst_alloc+0x97/0x150 [ 546.174933][ T73] ip6_dst_alloc+0x23/0x90 [ 546.174933][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 546.174933][ T73] ip6_pol_route+0x56f/0x840 [ 546.174933][ T73] fib6_rule_lookup+0x456/0x630 [ 546.174933][ T73] ip6_route_input+0x59c/0xa50 [ 546.174933][ T73] ipv6_rcv+0x397/0x810 [ 546.174933][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 546.174933][ T73] process_backlog+0x101/0x620 [ 546.174933][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 546.174933][ T73] net_rx_action+0x495/0xbe0 [ 546.174933][ T73] __do_softirq+0x1b5/0x7f6 [ 546.174933][ T73] [ 546.177232][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.177232][ T73] netdev_get_by_index+0x5e/0x80 [ 546.177232][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.177232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.177232][ T73] ip6_route_add+0x1c/0x140 [ 546.177232][ T73] addrconf_prefix_route+0x2a6/0x430 [ 546.177232][ T73] inet6_addr_add+0x4f8/0xa40 [ 546.177232][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.177232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.177232][ T73] netlink_rcv_skb+0x130/0x360 [ 546.177232][ T73] netlink_unicast+0x449/0x710 [ 546.177232][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.177232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.177232][ T73] ___sys_sendmsg+0xee/0x170 [ 546.177232][ T73] __sys_sendmsg+0xcd/0x170 [ 546.177232][ T73] do_syscall_64+0xc6/0x1e0 [ 546.177232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.177232][ T73] [ 546.180067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.180067][ T73] netdev_get_by_index+0x5e/0x80 [ 546.180067][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.180067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.180067][ T73] addrconf_f6i_alloc+0x315/0x560 [ 546.180067][ T73] ipv6_add_addr+0x411/0x2000 [ 546.180067][ T73] inet6_addr_add+0x30e/0xa40 [ 546.180067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.180067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.180067][ T73] netlink_rcv_skb+0x130/0x360 [ 546.180067][ T73] netlink_unicast+0x449/0x710 [ 546.180067][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.180067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.180067][ T73] ___sys_sendmsg+0xee/0x170 [ 546.180067][ T73] __sys_sendmsg+0xcd/0x170 [ 546.180067][ T73] do_syscall_64+0xc6/0x1e0 [ 546.180067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.180067][ T73] [ 546.182876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.182876][ T73] netdev_get_by_index+0x5e/0x80 [ 546.182876][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.182876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.182876][ T73] ip6_route_add+0x1c/0x140 [ 546.182876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 546.182876][ T73] addrconf_add_dev+0xe2/0x170 [ 546.182876][ T73] inet6_addr_add+0x12f/0xa40 [ 546.182876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.182876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.182876][ T73] netlink_rcv_skb+0x130/0x360 [ 546.182876][ T73] netlink_unicast+0x449/0x710 [ 546.182876][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.182876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.182876][ T73] ___sys_sendmsg+0xee/0x170 [ 546.182876][ T73] __sys_sendmsg+0xcd/0x170 [ 546.182876][ T73] do_syscall_64+0xc6/0x1e0 [ 546.182876][ T73] [ 546.185709][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.185709][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 546.185709][ T73] ipv6_find_idev+0x102/0x170 [ 546.185709][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.185709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.185709][ T73] netlink_rcv_skb+0x130/0x360 [ 546.185709][ T73] netlink_unicast+0x449/0x710 [ 546.185709][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.185709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.185709][ T73] ___sys_sendmsg+0xee/0x170 [ 546.185709][ T73] __sys_sendmsg+0xcd/0x170 [ 546.185709][ T73] do_syscall_64+0xc6/0x1e0 [ 546.185709][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.185709][ T73] [ 546.187809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 546.187809][ T73] neigh_parms_alloc+0x1e5/0x510 [ 546.187809][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 546.187809][ T73] ipv6_find_idev+0x102/0x170 [ 546.187809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.187809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.187809][ T73] netlink_rcv_skb+0x130/0x360 [ 546.187809][ T73] netlink_unicast+0x449/0x710 [ 546.187809][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.187809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.187809][ T73] ___sys_sendmsg+0xee/0x170 [ 546.187809][ T73] __sys_sendmsg+0xcd/0x170 [ 546.187809][ T73] do_syscall_64+0xc6/0x1e0 [ 546.187809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.187809][ T73] [ 546.190254][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 546.190602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 546.190602][ T73] netdev_get_by_index+0x5e/0x80 [ 546.190602][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.190602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.190602][ T73] addrconf_f6i_alloc+0x265/0x560 [ 546.190602][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 546.190602][ T73] addrconf_join_anycast+0x1c0/0x220 [ 546.190602][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 546.190602][ T73] addrconf_dad_completed+0x12b/0xe20 [ 546.190602][ T73] addrconf_dad_begin+0x310/0x670 [ 546.190602][ T73] addrconf_dad_work+0x10b/0xab0 [ 546.190602][ T73] process_one_work+0x84d/0x18a0 [ 546.190602][ T73] worker_thread+0x587/0xd30 [ 546.190602][ T73] kthread+0x28a/0x350 [ 546.190602][ T73] ret_from_fork+0x31/0x70 [ 546.190602][ T73] ret_from_fork_asm+0x1a/0x30 [ 546.190602][ T73] [ 546.193301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 546.193301][ T73] netdev_get_by_index+0x5e/0x80 [ 546.193301][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.193301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.193301][ T73] ip6_route_add+0x1c/0x140 [ 546.193301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 546.193301][ T73] inet6_addr_add+0x4f8/0xa40 [ 546.193301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.193301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.193301][ T73] netlink_rcv_skb+0x130/0x360 [ 546.193301][ T73] netlink_unicast+0x449/0x710 [ 546.193301][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.193301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.193301][ T73] ___sys_sendmsg+0xee/0x170 [ 546.193301][ T73] __sys_sendmsg+0xcd/0x170 [ 546.193301][ T73] do_syscall_64+0xc6/0x1e0 [ 546.193301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.193301][ T73] [ 546.196132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 546.196132][ T73] netdev_get_by_index+0x5e/0x80 [ 546.196132][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.196132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.196132][ T73] addrconf_f6i_alloc+0x315/0x560 [ 546.196132][ T73] ipv6_add_addr+0x411/0x2000 [ 546.196132][ T73] inet6_addr_add+0x30e/0xa40 [ 546.196132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.196132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.196132][ T73] netlink_rcv_skb+0x130/0x360 [ 546.196132][ T73] netlink_unicast+0x449/0x710 [ 546.196132][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.196132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.196132][ T73] ___sys_sendmsg+0xee/0x170 [ 546.196132][ T73] __sys_sendmsg+0xcd/0x170 [ 546.196132][ T73] do_syscall_64+0xc6/0x1e0 [ 546.196132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.196132][ T73] [ 546.198972][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 546.198972][ T73] netdev_get_by_index+0x5e/0x80 [ 546.198972][ T73] fib6_nh_init+0x3d8/0x1580 [ 546.198972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 546.198972][ T73] ip6_route_add+0x1c/0x140 [ 546.198972][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 546.198972][ T73] addrconf_add_dev+0xe2/0x170 [ 546.198972][ T73] inet6_addr_add+0x12f/0xa40 [ 546.198972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 546.198972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.198972][ T73] netlink_rcv_skb+0x130/0x360 [ 546.198972][ T73] netlink_unicast+0x449/0x710 [ 546.198972][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.198972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.198972][ T73] ___sys_sendmsg+0xee/0x170 [ 546.198972][ T73] __sys_sendmsg+0xcd/0x170 [ 546.198972][ T73] do_syscall_64+0xc6/0x1e0 [ 546.198972][ T73] [ 546.201757][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 546.201757][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 546.201757][ T73] ipv6_find_idev+0x102/0x170 [ 546.201757][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.201757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.201757][ T73] netlink_rcv_skb+0x130/0x360 [ 546.201757][ T73] netlink_unicast+0x449/0x710 [ 546.201757][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.201757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.201757][ T73] ___sys_sendmsg+0xee/0x170 [ 546.201757][ T73] __sys_sendmsg+0xcd/0x170 [ 546.201757][ T73] do_syscall_64+0xc6/0x1e0 [ 546.201757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.201757][ T73] [ 546.203920][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 546.203920][ T73] neigh_parms_alloc+0x1e5/0x510 [ 546.203920][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 546.203920][ T73] ipv6_find_idev+0x102/0x170 [ 546.203920][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 546.203920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 546.203920][ T73] netlink_rcv_skb+0x130/0x360 [ 546.203920][ T73] netlink_unicast+0x449/0x710 [ 546.203920][ T73] netlink_sendmsg+0x723/0xbe0 [ 546.203920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 546.203920][ T73] ___sys_sendmsg+0xee/0x170 [ 546.203920][ T73] __sys_sendmsg+0xcd/0x170 [ 546.203920][ T73] do_syscall_64+0xc6/0x1e0 [ 546.203920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 546.203920][ T73] [ 556.206912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 556.207666][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.207666][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 556.207666][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 556.207666][ T73] fib6_nh_init+0xa22/0x1580 [ 556.207666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.207666][ T73] ip6_route_add+0x1c/0x140 [ 556.207666][ T73] inet6_rtm_newroute+0x104/0x110 [ 556.207666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.207666][ T73] netlink_rcv_skb+0x130/0x360 [ 556.207666][ T73] netlink_unicast+0x449/0x710 [ 556.207666][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.207666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.207666][ T73] ___sys_sendmsg+0xee/0x170 [ 556.207666][ T73] __sys_sendmsg+0xcd/0x170 [ 556.207666][ T73] do_syscall_64+0xc6/0x1e0 [ 556.207666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.207666][ T73] [ 556.211159][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.211159][ T73] dst_init+0x84/0x4a0 [ 556.211159][ T73] dst_alloc+0x97/0x150 [ 556.211159][ T73] ip6_dst_alloc+0x23/0x90 [ 556.211159][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 556.211159][ T73] ip6_pol_route+0x56f/0x840 [ 556.211159][ T73] fib6_rule_lookup+0x456/0x630 [ 556.211159][ T73] ip6_route_input+0x59c/0xa50 [ 556.211159][ T73] ipv6_rcv+0x397/0x810 [ 556.211159][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 556.211159][ T73] process_backlog+0x101/0x620 [ 556.211159][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 556.211159][ T73] net_rx_action+0x495/0xbe0 [ 556.211159][ T73] __do_softirq+0x1b5/0x7f6 [ 556.211159][ T73] [ 556.214210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.214210][ T73] netdev_get_by_index+0x5e/0x80 [ 556.214210][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.214210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.214210][ T73] ip6_route_add+0x1c/0x140 [ 556.214210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 556.214210][ T73] inet6_addr_add+0x4f8/0xa40 [ 556.214210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.214210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.214210][ T73] netlink_rcv_skb+0x130/0x360 [ 556.214210][ T73] netlink_unicast+0x449/0x710 [ 556.214210][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.214210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.214210][ T73] ___sys_sendmsg+0xee/0x170 [ 556.214210][ T73] __sys_sendmsg+0xcd/0x170 [ 556.214210][ T73] do_syscall_64+0xc6/0x1e0 [ 556.214210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.214210][ T73] [ 556.218035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.218035][ T73] netdev_get_by_index+0x5e/0x80 [ 556.218035][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.218035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.218035][ T73] addrconf_f6i_alloc+0x315/0x560 [ 556.218035][ T73] ipv6_add_addr+0x411/0x2000 [ 556.218035][ T73] inet6_addr_add+0x30e/0xa40 [ 556.218035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.218035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.218035][ T73] netlink_rcv_skb+0x130/0x360 [ 556.218035][ T73] netlink_unicast+0x449/0x710 [ 556.218035][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.218035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.218035][ T73] ___sys_sendmsg+0xee/0x170 [ 556.218035][ T73] __sys_sendmsg+0xcd/0x170 [ 556.218035][ T73] do_syscall_64+0xc6/0x1e0 [ 556.218035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.218035][ T73] [ 556.221614][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.221614][ T73] netdev_get_by_index+0x5e/0x80 [ 556.221614][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.221614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.221614][ T73] ip6_route_add+0x1c/0x140 [ 556.221614][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 556.221614][ T73] addrconf_add_dev+0xe2/0x170 [ 556.221614][ T73] inet6_addr_add+0x12f/0xa40 [ 556.221614][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.221614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.221614][ T73] netlink_rcv_skb+0x130/0x360 [ 556.221614][ T73] netlink_unicast+0x449/0x710 [ 556.221614][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.221614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.221614][ T73] ___sys_sendmsg+0xee/0x170 [ 556.221614][ T73] __sys_sendmsg+0xcd/0x170 [ 556.221614][ T73] do_syscall_64+0xc6/0x1e0 [ 556.221614][ T73] [ 556.225314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.225314][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 556.225314][ T73] ipv6_find_idev+0x102/0x170 [ 556.225314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.225314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.225314][ T73] netlink_rcv_skb+0x130/0x360 [ 556.225314][ T73] netlink_unicast+0x449/0x710 [ 556.225314][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.225314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.225314][ T73] ___sys_sendmsg+0xee/0x170 [ 556.225314][ T73] __sys_sendmsg+0xcd/0x170 [ 556.225314][ T73] do_syscall_64+0xc6/0x1e0 [ 556.225314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.225314][ T73] [ 556.228112][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 556.228112][ T73] neigh_parms_alloc+0x1e5/0x510 [ 556.228112][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 556.228112][ T73] ipv6_find_idev+0x102/0x170 [ 556.228112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.228112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.228112][ T73] netlink_rcv_skb+0x130/0x360 [ 556.228112][ T73] netlink_unicast+0x449/0x710 [ 556.228112][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.228112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.228112][ T73] ___sys_sendmsg+0xee/0x170 [ 556.228112][ T73] __sys_sendmsg+0xcd/0x170 [ 556.228112][ T73] do_syscall_64+0xc6/0x1e0 [ 556.228112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.228112][ T73] [ 556.231013][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 556.231517][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.231517][ T73] dst_init+0x84/0x4a0 [ 556.231517][ T73] dst_alloc+0x97/0x150 [ 556.231517][ T73] ip6_dst_alloc+0x23/0x90 [ 556.231517][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 556.231517][ T73] ip6_pol_route+0x56f/0x840 [ 556.231517][ T73] fib6_rule_lookup+0x456/0x630 [ 556.231517][ T73] ip6_route_input+0x59c/0xa50 [ 556.231517][ T73] ipv6_rcv+0x397/0x810 [ 556.231517][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 556.231517][ T73] process_backlog+0x101/0x620 [ 556.231517][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 556.231517][ T73] net_rx_action+0x495/0xbe0 [ 556.231517][ T73] __do_softirq+0x1b5/0x7f6 [ 556.231517][ T73] [ 556.234231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.234231][ T73] netdev_get_by_index+0x5e/0x80 [ 556.234231][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.234231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.234231][ T73] addrconf_f6i_alloc+0x265/0x560 [ 556.234231][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 556.234231][ T73] addrconf_join_anycast+0x1c0/0x220 [ 556.234231][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 556.234231][ T73] addrconf_dad_completed+0x12b/0xe20 [ 556.234231][ T73] addrconf_dad_begin+0x310/0x670 [ 556.234231][ T73] addrconf_dad_work+0x10b/0xab0 [ 556.234231][ T73] process_one_work+0x84d/0x18a0 [ 556.234231][ T73] worker_thread+0x587/0xd30 [ 556.234231][ T73] kthread+0x28a/0x350 [ 556.234231][ T73] ret_from_fork+0x31/0x70 [ 556.234231][ T73] ret_from_fork_asm+0x1a/0x30 [ 556.234231][ T73] [ 556.237466][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.237466][ T73] netdev_get_by_index+0x5e/0x80 [ 556.237466][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.237466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.237466][ T73] ip6_route_add+0x1c/0x140 [ 556.237466][ T73] addrconf_prefix_route+0x2a6/0x430 [ 556.237466][ T73] inet6_addr_add+0x4f8/0xa40 [ 556.237466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.237466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.237466][ T73] netlink_rcv_skb+0x130/0x360 [ 556.237466][ T73] netlink_unicast+0x449/0x710 [ 556.237466][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.237466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.237466][ T73] ___sys_sendmsg+0xee/0x170 [ 556.237466][ T73] __sys_sendmsg+0xcd/0x170 [ 556.237466][ T73] do_syscall_64+0xc6/0x1e0 [ 556.237466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.237466][ T73] [ 556.240752][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.240752][ T73] netdev_get_by_index+0x5e/0x80 [ 556.240752][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.240752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.240752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 556.240752][ T73] ipv6_add_addr+0x411/0x2000 [ 556.240752][ T73] inet6_addr_add+0x30e/0xa40 [ 556.240752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.240752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.240752][ T73] netlink_rcv_skb+0x130/0x360 [ 556.240752][ T73] netlink_unicast+0x449/0x710 [ 556.240752][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.240752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.240752][ T73] ___sys_sendmsg+0xee/0x170 [ 556.240752][ T73] __sys_sendmsg+0xcd/0x170 [ 556.240752][ T73] do_syscall_64+0xc6/0x1e0 [ 556.240752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.240752][ T73] [ 556.243919][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.243919][ T73] netdev_get_by_index+0x5e/0x80 [ 556.243919][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.243919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.243919][ T73] ip6_route_add+0x1c/0x140 [ 556.243919][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 556.243919][ T73] addrconf_add_dev+0xe2/0x170 [ 556.243919][ T73] inet6_addr_add+0x12f/0xa40 [ 556.243919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.243919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.243919][ T73] netlink_rcv_skb+0x130/0x360 [ 556.243919][ T73] netlink_unicast+0x449/0x710 [ 556.243919][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.243919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.243919][ T73] ___sys_sendmsg+0xee/0x170 [ 556.243919][ T73] __sys_sendmsg+0xcd/0x170 [ 556.243919][ T73] do_syscall_64+0xc6/0x1e0 [ 556.243919][ T73] [ 556.247174][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.247174][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 556.247174][ T73] ipv6_find_idev+0x102/0x170 [ 556.247174][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.247174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.247174][ T73] netlink_rcv_skb+0x130/0x360 [ 556.247174][ T73] netlink_unicast+0x449/0x710 [ 556.247174][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.247174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.247174][ T73] ___sys_sendmsg+0xee/0x170 [ 556.247174][ T73] __sys_sendmsg+0xcd/0x170 [ 556.247174][ T73] do_syscall_64+0xc6/0x1e0 [ 556.247174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.247174][ T73] [ 556.249778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 556.249778][ T73] neigh_parms_alloc+0x1e5/0x510 [ 556.249778][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 556.249778][ T73] ipv6_find_idev+0x102/0x170 [ 556.249778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.249778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.249778][ T73] netlink_rcv_skb+0x130/0x360 [ 556.249778][ T73] netlink_unicast+0x449/0x710 [ 556.249778][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.249778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.249778][ T73] ___sys_sendmsg+0xee/0x170 [ 556.249778][ T73] __sys_sendmsg+0xcd/0x170 [ 556.249778][ T73] do_syscall_64+0xc6/0x1e0 [ 556.249778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.249778][ T73] [ 556.252868][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 556.253362][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.253362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 556.253362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 556.253362][ T73] fib6_nh_init+0xa22/0x1580 [ 556.253362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.253362][ T73] ip6_route_add+0x1c/0x140 [ 556.253362][ T73] inet6_rtm_newroute+0x104/0x110 [ 556.253362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.253362][ T73] netlink_rcv_skb+0x130/0x360 [ 556.253362][ T73] netlink_unicast+0x449/0x710 [ 556.253362][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.253362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.253362][ T73] ___sys_sendmsg+0xee/0x170 [ 556.253362][ T73] __sys_sendmsg+0xcd/0x170 [ 556.253362][ T73] do_syscall_64+0xc6/0x1e0 [ 556.253362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.253362][ T73] [ 556.256939][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.256939][ T73] dst_init+0x84/0x4a0 [ 556.256939][ T73] dst_alloc+0x97/0x150 [ 556.256939][ T73] ip6_dst_alloc+0x23/0x90 [ 556.256939][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 556.256939][ T73] ip6_pol_route+0x56f/0x840 [ 556.256939][ T73] fib6_rule_lookup+0x456/0x630 [ 556.256939][ T73] ip6_route_input+0x59c/0xa50 [ 556.256939][ T73] ipv6_rcv+0x397/0x810 [ 556.256939][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 556.256939][ T73] process_backlog+0x101/0x620 [ 556.256939][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 556.256939][ T73] net_rx_action+0x495/0xbe0 [ 556.256939][ T73] __do_softirq+0x1b5/0x7f6 [ 556.256939][ T73] [ 556.259977][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.259977][ T73] netdev_get_by_index+0x5e/0x80 [ 556.259977][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.259977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.259977][ T73] ip6_route_add+0x1c/0x140 [ 556.259977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 556.259977][ T73] inet6_addr_add+0x4f8/0xa40 [ 556.259977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.259977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.259977][ T73] netlink_rcv_skb+0x130/0x360 [ 556.259977][ T73] netlink_unicast+0x449/0x710 [ 556.259977][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.259977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.259977][ T73] ___sys_sendmsg+0xee/0x170 [ 556.259977][ T73] __sys_sendmsg+0xcd/0x170 [ 556.259977][ T73] do_syscall_64+0xc6/0x1e0 [ 556.259977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.259977][ T73] [ 556.263871][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.263871][ T73] netdev_get_by_index+0x5e/0x80 [ 556.263871][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.263871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.263871][ T73] addrconf_f6i_alloc+0x315/0x560 [ 556.263871][ T73] ipv6_add_addr+0x411/0x2000 [ 556.263871][ T73] inet6_addr_add+0x30e/0xa40 [ 556.263871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.263871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.263871][ T73] netlink_rcv_skb+0x130/0x360 [ 556.263871][ T73] netlink_unicast+0x449/0x710 [ 556.263871][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.263871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.263871][ T73] ___sys_sendmsg+0xee/0x170 [ 556.263871][ T73] __sys_sendmsg+0xcd/0x170 [ 556.263871][ T73] do_syscall_64+0xc6/0x1e0 [ 556.263871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.263871][ T73] [ 556.267505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.267505][ T73] netdev_get_by_index+0x5e/0x80 [ 556.267505][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.267505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.267505][ T73] ip6_route_add+0x1c/0x140 [ 556.267505][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 556.267505][ T73] addrconf_add_dev+0xe2/0x170 [ 556.267505][ T73] inet6_addr_add+0x12f/0xa40 [ 556.267505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.267505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.267505][ T73] netlink_rcv_skb+0x130/0x360 [ 556.267505][ T73] netlink_unicast+0x449/0x710 [ 556.267505][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.267505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.267505][ T73] ___sys_sendmsg+0xee/0x170 [ 556.267505][ T73] __sys_sendmsg+0xcd/0x170 [ 556.267505][ T73] do_syscall_64+0xc6/0x1e0 [ 556.267505][ T73] [ 556.271140][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.271140][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 556.271140][ T73] ipv6_find_idev+0x102/0x170 [ 556.271140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.271140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.271140][ T73] netlink_rcv_skb+0x130/0x360 [ 556.271140][ T73] netlink_unicast+0x449/0x710 [ 556.271140][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.271140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.271140][ T73] ___sys_sendmsg+0xee/0x170 [ 556.271140][ T73] __sys_sendmsg+0xcd/0x170 [ 556.271140][ T73] do_syscall_64+0xc6/0x1e0 [ 556.271140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.271140][ T73] [ 556.273838][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 556.273838][ T73] neigh_parms_alloc+0x1e5/0x510 [ 556.273838][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 556.273838][ T73] ipv6_find_idev+0x102/0x170 [ 556.273838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.273838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.273838][ T73] netlink_rcv_skb+0x130/0x360 [ 556.273838][ T73] netlink_unicast+0x449/0x710 [ 556.273838][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.273838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.273838][ T73] ___sys_sendmsg+0xee/0x170 [ 556.273838][ T73] __sys_sendmsg+0xcd/0x170 [ 556.273838][ T73] do_syscall_64+0xc6/0x1e0 [ 556.273838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.273838][ T73] [ 556.277276][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 556.277788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 556.277788][ T73] netdev_get_by_index+0x5e/0x80 [ 556.277788][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.277788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.277788][ T73] addrconf_f6i_alloc+0x265/0x560 [ 556.277788][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 556.277788][ T73] addrconf_join_anycast+0x1c0/0x220 [ 556.277788][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 556.277788][ T73] addrconf_dad_completed+0x12b/0xe20 [ 556.277788][ T73] addrconf_dad_begin+0x310/0x670 [ 556.277788][ T73] addrconf_dad_work+0x10b/0xab0 [ 556.277788][ T73] process_one_work+0x84d/0x18a0 [ 556.277788][ T73] worker_thread+0x587/0xd30 [ 556.277788][ T73] kthread+0x28a/0x350 [ 556.277788][ T73] ret_from_fork+0x31/0x70 [ 556.277788][ T73] ret_from_fork_asm+0x1a/0x30 [ 556.277788][ T73] [ 556.281724][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 556.281724][ T73] netdev_get_by_index+0x5e/0x80 [ 556.281724][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.281724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.281724][ T73] ip6_route_add+0x1c/0x140 [ 556.281724][ T73] addrconf_prefix_route+0x2a6/0x430 [ 556.281724][ T73] inet6_addr_add+0x4f8/0xa40 [ 556.281724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.281724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.281724][ T73] netlink_rcv_skb+0x130/0x360 [ 556.281724][ T73] netlink_unicast+0x449/0x710 [ 556.281724][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.281724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.281724][ T73] ___sys_sendmsg+0xee/0x170 [ 556.281724][ T73] __sys_sendmsg+0xcd/0x170 [ 556.281724][ T73] do_syscall_64+0xc6/0x1e0 [ 556.281724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.281724][ T73] [ 556.285775][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 556.285775][ T73] netdev_get_by_index+0x5e/0x80 [ 556.285775][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.285775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.285775][ T73] addrconf_f6i_alloc+0x315/0x560 [ 556.285775][ T73] ipv6_add_addr+0x411/0x2000 [ 556.285775][ T73] inet6_addr_add+0x30e/0xa40 [ 556.285775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.285775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.285775][ T73] netlink_rcv_skb+0x130/0x360 [ 556.285775][ T73] netlink_unicast+0x449/0x710 [ 556.285775][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.285775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.285775][ T73] ___sys_sendmsg+0xee/0x170 [ 556.285775][ T73] __sys_sendmsg+0xcd/0x170 [ 556.285775][ T73] do_syscall_64+0xc6/0x1e0 [ 556.285775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.285775][ T73] [ 556.290198][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 556.290198][ T73] netdev_get_by_index+0x5e/0x80 [ 556.290198][ T73] fib6_nh_init+0x3d8/0x1580 [ 556.290198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 556.290198][ T73] ip6_route_add+0x1c/0x140 [ 556.290198][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 556.290198][ T73] addrconf_add_dev+0xe2/0x170 [ 556.290198][ T73] inet6_addr_add+0x12f/0xa40 [ 556.290198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 556.290198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.290198][ T73] netlink_rcv_skb+0x130/0x360 [ 556.290198][ T73] netlink_unicast+0x449/0x710 [ 556.290198][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.290198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.290198][ T73] ___sys_sendmsg+0xee/0x170 [ 556.290198][ T73] __sys_sendmsg+0xcd/0x170 [ 556.290198][ T73] do_syscall_64+0xc6/0x1e0 [ 556.290198][ T73] [ 556.294257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 556.294257][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 556.294257][ T73] ipv6_find_idev+0x102/0x170 [ 556.294257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.294257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.294257][ T73] netlink_rcv_skb+0x130/0x360 [ 556.294257][ T73] netlink_unicast+0x449/0x710 [ 556.294257][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.294257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.294257][ T73] ___sys_sendmsg+0xee/0x170 [ 556.294257][ T73] __sys_sendmsg+0xcd/0x170 [ 556.294257][ T73] do_syscall_64+0xc6/0x1e0 [ 556.294257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.294257][ T73] [ 556.297331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 556.297331][ T73] neigh_parms_alloc+0x1e5/0x510 [ 556.297331][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 556.297331][ T73] ipv6_find_idev+0x102/0x170 [ 556.297331][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 556.297331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 556.297331][ T73] netlink_rcv_skb+0x130/0x360 [ 556.297331][ T73] netlink_unicast+0x449/0x710 [ 556.297331][ T73] netlink_sendmsg+0x723/0xbe0 [ 556.297331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 556.297331][ T73] ___sys_sendmsg+0xee/0x170 [ 556.297331][ T73] __sys_sendmsg+0xcd/0x170 [ 556.297331][ T73] do_syscall_64+0xc6/0x1e0 [ 556.297331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 556.297331][ T73] [ 566.542917][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 566.543396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.543396][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 566.543396][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 566.543396][ T73] fib6_nh_init+0xa22/0x1580 [ 566.543396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.543396][ T73] ip6_route_add+0x1c/0x140 [ 566.543396][ T73] inet6_rtm_newroute+0x104/0x110 [ 566.543396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.543396][ T73] netlink_rcv_skb+0x130/0x360 [ 566.543396][ T73] netlink_unicast+0x449/0x710 [ 566.543396][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.543396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.543396][ T73] ___sys_sendmsg+0xee/0x170 [ 566.543396][ T73] __sys_sendmsg+0xcd/0x170 [ 566.543396][ T73] do_syscall_64+0xc6/0x1e0 [ 566.543396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.543396][ T73] [ 566.545315][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.545315][ T73] dst_init+0x84/0x4a0 [ 566.545315][ T73] dst_alloc+0x97/0x150 [ 566.545315][ T73] ip6_dst_alloc+0x23/0x90 [ 566.545315][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 566.545315][ T73] ip6_pol_route+0x56f/0x840 [ 566.545315][ T73] fib6_rule_lookup+0x456/0x630 [ 566.545315][ T73] ip6_route_input+0x59c/0xa50 [ 566.545315][ T73] ipv6_rcv+0x397/0x810 [ 566.545315][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 566.545315][ T73] process_backlog+0x101/0x620 [ 566.545315][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 566.545315][ T73] net_rx_action+0x495/0xbe0 [ 566.545315][ T73] __do_softirq+0x1b5/0x7f6 [ 566.545315][ T73] [ 566.547032][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.547032][ T73] netdev_get_by_index+0x5e/0x80 [ 566.547032][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.547032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.547032][ T73] ip6_route_add+0x1c/0x140 [ 566.547032][ T73] addrconf_prefix_route+0x2a6/0x430 [ 566.547032][ T73] inet6_addr_add+0x4f8/0xa40 [ 566.547032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.547032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.547032][ T73] netlink_rcv_skb+0x130/0x360 [ 566.547032][ T73] netlink_unicast+0x449/0x710 [ 566.547032][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.547032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.547032][ T73] ___sys_sendmsg+0xee/0x170 [ 566.547032][ T73] __sys_sendmsg+0xcd/0x170 [ 566.547032][ T73] do_syscall_64+0xc6/0x1e0 [ 566.547032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.547032][ T73] [ 566.549090][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.549090][ T73] netdev_get_by_index+0x5e/0x80 [ 566.549090][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.549090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.549090][ T73] addrconf_f6i_alloc+0x315/0x560 [ 566.549090][ T73] ipv6_add_addr+0x411/0x2000 [ 566.549090][ T73] inet6_addr_add+0x30e/0xa40 [ 566.549090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.549090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.549090][ T73] netlink_rcv_skb+0x130/0x360 [ 566.549090][ T73] netlink_unicast+0x449/0x710 [ 566.549090][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.549090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.549090][ T73] ___sys_sendmsg+0xee/0x170 [ 566.549090][ T73] __sys_sendmsg+0xcd/0x170 [ 566.549090][ T73] do_syscall_64+0xc6/0x1e0 [ 566.549090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.549090][ T73] [ 566.551111][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.551111][ T73] netdev_get_by_index+0x5e/0x80 [ 566.551111][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.551111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.551111][ T73] ip6_route_add+0x1c/0x140 [ 566.551111][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 566.551111][ T73] addrconf_add_dev+0xe2/0x170 [ 566.551111][ T73] inet6_addr_add+0x12f/0xa40 [ 566.551111][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.551111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.551111][ T73] netlink_rcv_skb+0x130/0x360 [ 566.551111][ T73] netlink_unicast+0x449/0x710 [ 566.551111][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.551111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.551111][ T73] ___sys_sendmsg+0xee/0x170 [ 566.551111][ T73] __sys_sendmsg+0xcd/0x170 [ 566.551111][ T73] do_syscall_64+0xc6/0x1e0 [ 566.551111][ T73] [ 566.553106][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.553106][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 566.553106][ T73] ipv6_find_idev+0x102/0x170 [ 566.553106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.553106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.553106][ T73] netlink_rcv_skb+0x130/0x360 [ 566.553106][ T73] netlink_unicast+0x449/0x710 [ 566.553106][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.553106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.553106][ T73] ___sys_sendmsg+0xee/0x170 [ 566.553106][ T73] __sys_sendmsg+0xcd/0x170 [ 566.553106][ T73] do_syscall_64+0xc6/0x1e0 [ 566.553106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.553106][ T73] [ 566.554662][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 566.554662][ T73] neigh_parms_alloc+0x1e5/0x510 [ 566.554662][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 566.554662][ T73] ipv6_find_idev+0x102/0x170 [ 566.554662][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.554662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.554662][ T73] netlink_rcv_skb+0x130/0x360 [ 566.554662][ T73] netlink_unicast+0x449/0x710 [ 566.554662][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.554662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.554662][ T73] ___sys_sendmsg+0xee/0x170 [ 566.554662][ T73] __sys_sendmsg+0xcd/0x170 [ 566.554662][ T73] do_syscall_64+0xc6/0x1e0 [ 566.554662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.554662][ T73] [ 566.556397][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 566.556680][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.556680][ T73] dst_init+0x84/0x4a0 [ 566.556680][ T73] dst_alloc+0x97/0x150 [ 566.556680][ T73] ip6_dst_alloc+0x23/0x90 [ 566.556680][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 566.556680][ T73] ip6_pol_route+0x56f/0x840 [ 566.556680][ T73] fib6_rule_lookup+0x456/0x630 [ 566.556680][ T73] ip6_route_input+0x59c/0xa50 [ 566.556680][ T73] ipv6_rcv+0x397/0x810 [ 566.556680][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 566.556680][ T73] process_backlog+0x101/0x620 [ 566.556680][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 566.556680][ T73] net_rx_action+0x495/0xbe0 [ 566.556680][ T73] __do_softirq+0x1b5/0x7f6 [ 566.556680][ T73] [ 566.558363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.558363][ T73] netdev_get_by_index+0x5e/0x80 [ 566.558363][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.558363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.558363][ T73] addrconf_f6i_alloc+0x265/0x560 [ 566.558363][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 566.558363][ T73] addrconf_join_anycast+0x1c0/0x220 [ 566.558363][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 566.558363][ T73] addrconf_dad_completed+0x12b/0xe20 [ 566.558363][ T73] addrconf_dad_begin+0x310/0x670 [ 566.558363][ T73] addrconf_dad_work+0x10b/0xab0 [ 566.558363][ T73] process_one_work+0x84d/0x18a0 [ 566.558363][ T73] worker_thread+0x587/0xd30 [ 566.558363][ T73] kthread+0x28a/0x350 [ 566.558363][ T73] ret_from_fork+0x31/0x70 [ 566.558363][ T73] ret_from_fork_asm+0x1a/0x30 [ 566.558363][ T73] [ 566.560305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.560305][ T73] netdev_get_by_index+0x5e/0x80 [ 566.560305][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.560305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.560305][ T73] ip6_route_add+0x1c/0x140 [ 566.560305][ T73] addrconf_prefix_route+0x2a6/0x430 [ 566.560305][ T73] inet6_addr_add+0x4f8/0xa40 [ 566.560305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.560305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.560305][ T73] netlink_rcv_skb+0x130/0x360 [ 566.560305][ T73] netlink_unicast+0x449/0x710 [ 566.560305][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.560305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.560305][ T73] ___sys_sendmsg+0xee/0x170 [ 566.560305][ T73] __sys_sendmsg+0xcd/0x170 [ 566.560305][ T73] do_syscall_64+0xc6/0x1e0 [ 566.560305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.560305][ T73] [ 566.562330][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.562330][ T73] netdev_get_by_index+0x5e/0x80 [ 566.562330][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.562330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.562330][ T73] addrconf_f6i_alloc+0x315/0x560 [ 566.562330][ T73] ipv6_add_addr+0x411/0x2000 [ 566.562330][ T73] inet6_addr_add+0x30e/0xa40 [ 566.562330][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.562330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.562330][ T73] netlink_rcv_skb+0x130/0x360 [ 566.562330][ T73] netlink_unicast+0x449/0x710 [ 566.562330][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.562330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.562330][ T73] ___sys_sendmsg+0xee/0x170 [ 566.562330][ T73] __sys_sendmsg+0xcd/0x170 [ 566.562330][ T73] do_syscall_64+0xc6/0x1e0 [ 566.562330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.562330][ T73] [ 566.564345][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.564345][ T73] netdev_get_by_index+0x5e/0x80 [ 566.564345][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.564345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.564345][ T73] ip6_route_add+0x1c/0x140 [ 566.564345][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 566.564345][ T73] addrconf_add_dev+0xe2/0x170 [ 566.564345][ T73] inet6_addr_add+0x12f/0xa40 [ 566.564345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.564345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.564345][ T73] netlink_rcv_skb+0x130/0x360 [ 566.564345][ T73] netlink_unicast+0x449/0x710 [ 566.564345][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.564345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.564345][ T73] ___sys_sendmsg+0xee/0x170 [ 566.564345][ T73] __sys_sendmsg+0xcd/0x170 [ 566.564345][ T73] do_syscall_64+0xc6/0x1e0 [ 566.564345][ T73] [ 566.566325][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.566325][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 566.566325][ T73] ipv6_find_idev+0x102/0x170 [ 566.566325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.566325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.566325][ T73] netlink_rcv_skb+0x130/0x360 [ 566.566325][ T73] netlink_unicast+0x449/0x710 [ 566.566325][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.566325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.566325][ T73] ___sys_sendmsg+0xee/0x170 [ 566.566325][ T73] __sys_sendmsg+0xcd/0x170 [ 566.566325][ T73] do_syscall_64+0xc6/0x1e0 [ 566.566325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.566325][ T73] [ 566.567883][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 566.567883][ T73] neigh_parms_alloc+0x1e5/0x510 [ 566.567883][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 566.567883][ T73] ipv6_find_idev+0x102/0x170 [ 566.567883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.567883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.567883][ T73] netlink_rcv_skb+0x130/0x360 [ 566.567883][ T73] netlink_unicast+0x449/0x710 [ 566.567883][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.567883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.567883][ T73] ___sys_sendmsg+0xee/0x170 [ 566.567883][ T73] __sys_sendmsg+0xcd/0x170 [ 566.567883][ T73] do_syscall_64+0xc6/0x1e0 [ 566.567883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.567883][ T73] [ 566.569694][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 566.569993][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.569993][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 566.569993][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 566.569993][ T73] fib6_nh_init+0xa22/0x1580 [ 566.569993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.569993][ T73] ip6_route_add+0x1c/0x140 [ 566.569993][ T73] inet6_rtm_newroute+0x104/0x110 [ 566.569993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.569993][ T73] netlink_rcv_skb+0x130/0x360 [ 566.569993][ T73] netlink_unicast+0x449/0x710 [ 566.569993][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.569993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.569993][ T73] ___sys_sendmsg+0xee/0x170 [ 566.569993][ T73] __sys_sendmsg+0xcd/0x170 [ 566.569993][ T73] do_syscall_64+0xc6/0x1e0 [ 566.569993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.569993][ T73] [ 566.572220][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.572220][ T73] dst_init+0x84/0x4a0 [ 566.572220][ T73] dst_alloc+0x97/0x150 [ 566.572220][ T73] ip6_dst_alloc+0x23/0x90 [ 566.572220][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 566.572220][ T73] ip6_pol_route+0x56f/0x840 [ 566.572220][ T73] fib6_rule_lookup+0x456/0x630 [ 566.572220][ T73] ip6_route_input+0x59c/0xa50 [ 566.572220][ T73] ipv6_rcv+0x397/0x810 [ 566.572220][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 566.572220][ T73] process_backlog+0x101/0x620 [ 566.572220][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 566.572220][ T73] net_rx_action+0x495/0xbe0 [ 566.572220][ T73] __do_softirq+0x1b5/0x7f6 [ 566.572220][ T73] [ 566.574047][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.574047][ T73] netdev_get_by_index+0x5e/0x80 [ 566.574047][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.574047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.574047][ T73] ip6_route_add+0x1c/0x140 [ 566.574047][ T73] addrconf_prefix_route+0x2a6/0x430 [ 566.574047][ T73] inet6_addr_add+0x4f8/0xa40 [ 566.574047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.574047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.574047][ T73] netlink_rcv_skb+0x130/0x360 [ 566.574047][ T73] netlink_unicast+0x449/0x710 [ 566.574047][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.574047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.574047][ T73] ___sys_sendmsg+0xee/0x170 [ 566.574047][ T73] __sys_sendmsg+0xcd/0x170 [ 566.574047][ T73] do_syscall_64+0xc6/0x1e0 [ 566.574047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.574047][ T73] [ 566.576355][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.576355][ T73] netdev_get_by_index+0x5e/0x80 [ 566.576355][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.576355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.576355][ T73] addrconf_f6i_alloc+0x315/0x560 [ 566.576355][ T73] ipv6_add_addr+0x411/0x2000 [ 566.576355][ T73] inet6_addr_add+0x30e/0xa40 [ 566.576355][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.576355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.576355][ T73] netlink_rcv_skb+0x130/0x360 [ 566.576355][ T73] netlink_unicast+0x449/0x710 [ 566.576355][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.576355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.576355][ T73] ___sys_sendmsg+0xee/0x170 [ 566.576355][ T73] __sys_sendmsg+0xcd/0x170 [ 566.576355][ T73] do_syscall_64+0xc6/0x1e0 [ 566.576355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.576355][ T73] [ 566.578653][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.578653][ T73] netdev_get_by_index+0x5e/0x80 [ 566.578653][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.578653][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.578653][ T73] ip6_route_add+0x1c/0x140 [ 566.578653][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 566.578653][ T73] addrconf_add_dev+0xe2/0x170 [ 566.578653][ T73] inet6_addr_add+0x12f/0xa40 [ 566.578653][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.578653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.578653][ T73] netlink_rcv_skb+0x130/0x360 [ 566.578653][ T73] netlink_unicast+0x449/0x710 [ 566.578653][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.578653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.578653][ T73] ___sys_sendmsg+0xee/0x170 [ 566.578653][ T73] __sys_sendmsg+0xcd/0x170 [ 566.578653][ T73] do_syscall_64+0xc6/0x1e0 [ 566.578653][ T73] [ 566.581097][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.581097][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 566.581097][ T73] ipv6_find_idev+0x102/0x170 [ 566.581097][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.581097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.581097][ T73] netlink_rcv_skb+0x130/0x360 [ 566.581097][ T73] netlink_unicast+0x449/0x710 [ 566.581097][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.581097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.581097][ T73] ___sys_sendmsg+0xee/0x170 [ 566.581097][ T73] __sys_sendmsg+0xcd/0x170 [ 566.581097][ T73] do_syscall_64+0xc6/0x1e0 [ 566.581097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.581097][ T73] [ 566.582795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 566.582795][ T73] neigh_parms_alloc+0x1e5/0x510 [ 566.582795][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 566.582795][ T73] ipv6_find_idev+0x102/0x170 [ 566.582795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.582795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.582795][ T73] netlink_rcv_skb+0x130/0x360 [ 566.582795][ T73] netlink_unicast+0x449/0x710 [ 566.582795][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.582795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.582795][ T73] ___sys_sendmsg+0xee/0x170 [ 566.582795][ T73] __sys_sendmsg+0xcd/0x170 [ 566.582795][ T73] do_syscall_64+0xc6/0x1e0 [ 566.582795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.582795][ T73] [ 566.584816][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 566.585097][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 566.585097][ T73] netdev_get_by_index+0x5e/0x80 [ 566.585097][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.585097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.585097][ T73] addrconf_f6i_alloc+0x265/0x560 [ 566.585097][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 566.585097][ T73] addrconf_join_anycast+0x1c0/0x220 [ 566.585097][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 566.585097][ T73] addrconf_dad_completed+0x12b/0xe20 [ 566.585097][ T73] addrconf_dad_begin+0x310/0x670 [ 566.585097][ T73] addrconf_dad_work+0x10b/0xab0 [ 566.585097][ T73] process_one_work+0x84d/0x18a0 [ 566.585097][ T73] worker_thread+0x587/0xd30 [ 566.585097][ T73] kthread+0x28a/0x350 [ 566.585097][ T73] ret_from_fork+0x31/0x70 [ 566.585097][ T73] ret_from_fork_asm+0x1a/0x30 [ 566.585097][ T73] [ 566.587303][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 566.587303][ T73] netdev_get_by_index+0x5e/0x80 [ 566.587303][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.587303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.587303][ T73] ip6_route_add+0x1c/0x140 [ 566.587303][ T73] addrconf_prefix_route+0x2a6/0x430 [ 566.587303][ T73] inet6_addr_add+0x4f8/0xa40 [ 566.587303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.587303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.587303][ T73] netlink_rcv_skb+0x130/0x360 [ 566.587303][ T73] netlink_unicast+0x449/0x710 [ 566.587303][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.587303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.587303][ T73] ___sys_sendmsg+0xee/0x170 [ 566.587303][ T73] __sys_sendmsg+0xcd/0x170 [ 566.587303][ T73] do_syscall_64+0xc6/0x1e0 [ 566.587303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.587303][ T73] [ 566.590020][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 566.590020][ T73] netdev_get_by_index+0x5e/0x80 [ 566.590020][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.590020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.590020][ T73] addrconf_f6i_alloc+0x315/0x560 [ 566.590020][ T73] ipv6_add_addr+0x411/0x2000 [ 566.590020][ T73] inet6_addr_add+0x30e/0xa40 [ 566.590020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.590020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.590020][ T73] netlink_rcv_skb+0x130/0x360 [ 566.590020][ T73] netlink_unicast+0x449/0x710 [ 566.590020][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.590020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.590020][ T73] ___sys_sendmsg+0xee/0x170 [ 566.590020][ T73] __sys_sendmsg+0xcd/0x170 [ 566.590020][ T73] do_syscall_64+0xc6/0x1e0 [ 566.590020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.590020][ T73] [ 566.592220][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 566.592220][ T73] netdev_get_by_index+0x5e/0x80 [ 566.592220][ T73] fib6_nh_init+0x3d8/0x1580 [ 566.592220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 566.592220][ T73] ip6_route_add+0x1c/0x140 [ 566.592220][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 566.592220][ T73] addrconf_add_dev+0xe2/0x170 [ 566.592220][ T73] inet6_addr_add+0x12f/0xa40 [ 566.592220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 566.592220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.592220][ T73] netlink_rcv_skb+0x130/0x360 [ 566.592220][ T73] netlink_unicast+0x449/0x710 [ 566.592220][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.592220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.592220][ T73] ___sys_sendmsg+0xee/0x170 [ 566.592220][ T73] __sys_sendmsg+0xcd/0x170 [ 566.592220][ T73] do_syscall_64+0xc6/0x1e0 [ 566.592220][ T73] [ 566.594469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 566.594469][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 566.594469][ T73] ipv6_find_idev+0x102/0x170 [ 566.594469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.594469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.594469][ T73] netlink_rcv_skb+0x130/0x360 [ 566.594469][ T73] netlink_unicast+0x449/0x710 [ 566.594469][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.594469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.594469][ T73] ___sys_sendmsg+0xee/0x170 [ 566.594469][ T73] __sys_sendmsg+0xcd/0x170 [ 566.594469][ T73] do_syscall_64+0xc6/0x1e0 [ 566.594469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.594469][ T73] [ 566.596234][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 566.596234][ T73] neigh_parms_alloc+0x1e5/0x510 [ 566.596234][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 566.596234][ T73] ipv6_find_idev+0x102/0x170 [ 566.596234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 566.596234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 566.596234][ T73] netlink_rcv_skb+0x130/0x360 [ 566.596234][ T73] netlink_unicast+0x449/0x710 [ 566.596234][ T73] netlink_sendmsg+0x723/0xbe0 [ 566.596234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 566.596234][ T73] ___sys_sendmsg+0xee/0x170 [ 566.596234][ T73] __sys_sendmsg+0xcd/0x170 [ 566.596234][ T73] do_syscall_64+0xc6/0x1e0 [ 566.596234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 566.596234][ T73] [ 576.838975][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 576.839484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.839484][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 576.839484][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 576.839484][ T73] fib6_nh_init+0xa22/0x1580 [ 576.839484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.839484][ T73] ip6_route_add+0x1c/0x140 [ 576.839484][ T73] inet6_rtm_newroute+0x104/0x110 [ 576.839484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.839484][ T73] netlink_rcv_skb+0x130/0x360 [ 576.839484][ T73] netlink_unicast+0x449/0x710 [ 576.839484][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.839484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.839484][ T73] ___sys_sendmsg+0xee/0x170 [ 576.839484][ T73] __sys_sendmsg+0xcd/0x170 [ 576.839484][ T73] do_syscall_64+0xc6/0x1e0 [ 576.839484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.839484][ T73] [ 576.841643][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.841643][ T73] dst_init+0x84/0x4a0 [ 576.841643][ T73] dst_alloc+0x97/0x150 [ 576.841643][ T73] ip6_dst_alloc+0x23/0x90 [ 576.841643][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 576.841643][ T73] ip6_pol_route+0x56f/0x840 [ 576.841643][ T73] fib6_rule_lookup+0x456/0x630 [ 576.841643][ T73] ip6_route_input+0x59c/0xa50 [ 576.841643][ T73] ipv6_rcv+0x397/0x810 [ 576.841643][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 576.841643][ T73] process_backlog+0x101/0x620 [ 576.841643][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 576.841643][ T73] net_rx_action+0x495/0xbe0 [ 576.841643][ T73] __do_softirq+0x1b5/0x7f6 [ 576.841643][ T73] [ 576.843420][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.843420][ T73] netdev_get_by_index+0x5e/0x80 [ 576.843420][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.843420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.843420][ T73] ip6_route_add+0x1c/0x140 [ 576.843420][ T73] addrconf_prefix_route+0x2a6/0x430 [ 576.843420][ T73] inet6_addr_add+0x4f8/0xa40 [ 576.843420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.843420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.843420][ T73] netlink_rcv_skb+0x130/0x360 [ 576.843420][ T73] netlink_unicast+0x449/0x710 [ 576.843420][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.843420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.843420][ T73] ___sys_sendmsg+0xee/0x170 [ 576.843420][ T73] __sys_sendmsg+0xcd/0x170 [ 576.843420][ T73] do_syscall_64+0xc6/0x1e0 [ 576.843420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.843420][ T73] [ 576.845435][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.845435][ T73] netdev_get_by_index+0x5e/0x80 [ 576.845435][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.845435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.845435][ T73] addrconf_f6i_alloc+0x315/0x560 [ 576.845435][ T73] ipv6_add_addr+0x411/0x2000 [ 576.845435][ T73] inet6_addr_add+0x30e/0xa40 [ 576.845435][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.845435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.845435][ T73] netlink_rcv_skb+0x130/0x360 [ 576.845435][ T73] netlink_unicast+0x449/0x710 [ 576.845435][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.845435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.845435][ T73] ___sys_sendmsg+0xee/0x170 [ 576.845435][ T73] __sys_sendmsg+0xcd/0x170 [ 576.845435][ T73] do_syscall_64+0xc6/0x1e0 [ 576.845435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.845435][ T73] [ 576.847447][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.847447][ T73] netdev_get_by_index+0x5e/0x80 [ 576.847447][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.847447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.847447][ T73] ip6_route_add+0x1c/0x140 [ 576.847447][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 576.847447][ T73] addrconf_add_dev+0xe2/0x170 [ 576.847447][ T73] inet6_addr_add+0x12f/0xa40 [ 576.847447][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.847447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.847447][ T73] netlink_rcv_skb+0x130/0x360 [ 576.847447][ T73] netlink_unicast+0x449/0x710 [ 576.847447][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.847447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.847447][ T73] ___sys_sendmsg+0xee/0x170 [ 576.847447][ T73] __sys_sendmsg+0xcd/0x170 [ 576.847447][ T73] do_syscall_64+0xc6/0x1e0 [ 576.847447][ T73] [ 576.849445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.849445][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 576.849445][ T73] ipv6_find_idev+0x102/0x170 [ 576.849445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.849445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.849445][ T73] netlink_rcv_skb+0x130/0x360 [ 576.849445][ T73] netlink_unicast+0x449/0x710 [ 576.849445][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.849445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.849445][ T73] ___sys_sendmsg+0xee/0x170 [ 576.849445][ T73] __sys_sendmsg+0xcd/0x170 [ 576.849445][ T73] do_syscall_64+0xc6/0x1e0 [ 576.849445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.849445][ T73] [ 576.850997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 576.850997][ T73] neigh_parms_alloc+0x1e5/0x510 [ 576.850997][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 576.850997][ T73] ipv6_find_idev+0x102/0x170 [ 576.850997][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.850997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.850997][ T73] netlink_rcv_skb+0x130/0x360 [ 576.850997][ T73] netlink_unicast+0x449/0x710 [ 576.850997][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.850997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.850997][ T73] ___sys_sendmsg+0xee/0x170 [ 576.850997][ T73] __sys_sendmsg+0xcd/0x170 [ 576.850997][ T73] do_syscall_64+0xc6/0x1e0 [ 576.850997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.850997][ T73] [ 576.852749][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 576.853051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.853051][ T73] dst_init+0x84/0x4a0 [ 576.853051][ T73] dst_alloc+0x97/0x150 [ 576.853051][ T73] ip6_dst_alloc+0x23/0x90 [ 576.853051][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 576.853051][ T73] ip6_pol_route+0x56f/0x840 [ 576.853051][ T73] fib6_rule_lookup+0x456/0x630 [ 576.853051][ T73] ip6_route_input+0x59c/0xa50 [ 576.853051][ T73] ipv6_rcv+0x397/0x810 [ 576.853051][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 576.853051][ T73] process_backlog+0x101/0x620 [ 576.853051][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 576.853051][ T73] net_rx_action+0x495/0xbe0 [ 576.853051][ T73] __do_softirq+0x1b5/0x7f6 [ 576.853051][ T73] [ 576.854720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.854720][ T73] netdev_get_by_index+0x5e/0x80 [ 576.854720][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.854720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.854720][ T73] addrconf_f6i_alloc+0x265/0x560 [ 576.854720][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 576.854720][ T73] addrconf_join_anycast+0x1c0/0x220 [ 576.854720][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 576.854720][ T73] addrconf_dad_completed+0x12b/0xe20 [ 576.854720][ T73] addrconf_dad_begin+0x310/0x670 [ 576.854720][ T73] addrconf_dad_work+0x10b/0xab0 [ 576.854720][ T73] process_one_work+0x84d/0x18a0 [ 576.854720][ T73] worker_thread+0x587/0xd30 [ 576.854720][ T73] kthread+0x28a/0x350 [ 576.854720][ T73] ret_from_fork+0x31/0x70 [ 576.854720][ T73] ret_from_fork_asm+0x1a/0x30 [ 576.854720][ T73] [ 576.856644][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.856644][ T73] netdev_get_by_index+0x5e/0x80 [ 576.856644][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.856644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.856644][ T73] ip6_route_add+0x1c/0x140 [ 576.856644][ T73] addrconf_prefix_route+0x2a6/0x430 [ 576.856644][ T73] inet6_addr_add+0x4f8/0xa40 [ 576.856644][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.856644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.856644][ T73] netlink_rcv_skb+0x130/0x360 [ 576.856644][ T73] netlink_unicast+0x449/0x710 [ 576.856644][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.856644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.856644][ T73] ___sys_sendmsg+0xee/0x170 [ 576.856644][ T73] __sys_sendmsg+0xcd/0x170 [ 576.856644][ T73] do_syscall_64+0xc6/0x1e0 [ 576.856644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.856644][ T73] [ 576.858676][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.858676][ T73] netdev_get_by_index+0x5e/0x80 [ 576.858676][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.858676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.858676][ T73] addrconf_f6i_alloc+0x315/0x560 [ 576.858676][ T73] ipv6_add_addr+0x411/0x2000 [ 576.858676][ T73] inet6_addr_add+0x30e/0xa40 [ 576.858676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.858676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.858676][ T73] netlink_rcv_skb+0x130/0x360 [ 576.858676][ T73] netlink_unicast+0x449/0x710 [ 576.858676][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.858676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.858676][ T73] ___sys_sendmsg+0xee/0x170 [ 576.858676][ T73] __sys_sendmsg+0xcd/0x170 [ 576.858676][ T73] do_syscall_64+0xc6/0x1e0 [ 576.858676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.858676][ T73] [ 576.860689][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.860689][ T73] netdev_get_by_index+0x5e/0x80 [ 576.860689][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.860689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.860689][ T73] ip6_route_add+0x1c/0x140 [ 576.860689][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 576.860689][ T73] addrconf_add_dev+0xe2/0x170 [ 576.860689][ T73] inet6_addr_add+0x12f/0xa40 [ 576.860689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.860689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.860689][ T73] netlink_rcv_skb+0x130/0x360 [ 576.860689][ T73] netlink_unicast+0x449/0x710 [ 576.860689][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.860689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.860689][ T73] ___sys_sendmsg+0xee/0x170 [ 576.860689][ T73] __sys_sendmsg+0xcd/0x170 [ 576.860689][ T73] do_syscall_64+0xc6/0x1e0 [ 576.860689][ T73] [ 576.862663][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.862663][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 576.862663][ T73] ipv6_find_idev+0x102/0x170 [ 576.862663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.862663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.862663][ T73] netlink_rcv_skb+0x130/0x360 [ 576.862663][ T73] netlink_unicast+0x449/0x710 [ 576.862663][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.862663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.862663][ T73] ___sys_sendmsg+0xee/0x170 [ 576.862663][ T73] __sys_sendmsg+0xcd/0x170 [ 576.862663][ T73] do_syscall_64+0xc6/0x1e0 [ 576.862663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.862663][ T73] [ 576.864211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 576.864211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 576.864211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 576.864211][ T73] ipv6_find_idev+0x102/0x170 [ 576.864211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.864211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.864211][ T73] netlink_rcv_skb+0x130/0x360 [ 576.864211][ T73] netlink_unicast+0x449/0x710 [ 576.864211][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.864211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.864211][ T73] ___sys_sendmsg+0xee/0x170 [ 576.864211][ T73] __sys_sendmsg+0xcd/0x170 [ 576.864211][ T73] do_syscall_64+0xc6/0x1e0 [ 576.864211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.864211][ T73] [ 576.866045][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 576.866319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.866319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 576.866319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 576.866319][ T73] fib6_nh_init+0xa22/0x1580 [ 576.866319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.866319][ T73] ip6_route_add+0x1c/0x140 [ 576.866319][ T73] inet6_rtm_newroute+0x104/0x110 [ 576.866319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.866319][ T73] netlink_rcv_skb+0x130/0x360 [ 576.866319][ T73] netlink_unicast+0x449/0x710 [ 576.866319][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.866319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.866319][ T73] ___sys_sendmsg+0xee/0x170 [ 576.866319][ T73] __sys_sendmsg+0xcd/0x170 [ 576.866319][ T73] do_syscall_64+0xc6/0x1e0 [ 576.866319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.866319][ T73] [ 576.868461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.868461][ T73] dst_init+0x84/0x4a0 [ 576.868461][ T73] dst_alloc+0x97/0x150 [ 576.868461][ T73] ip6_dst_alloc+0x23/0x90 [ 576.868461][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 576.868461][ T73] ip6_pol_route+0x56f/0x840 [ 576.868461][ T73] fib6_rule_lookup+0x456/0x630 [ 576.868461][ T73] ip6_route_input+0x59c/0xa50 [ 576.868461][ T73] ipv6_rcv+0x397/0x810 [ 576.868461][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 576.868461][ T73] process_backlog+0x101/0x620 [ 576.868461][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 576.868461][ T73] net_rx_action+0x495/0xbe0 [ 576.868461][ T73] __do_softirq+0x1b5/0x7f6 [ 576.868461][ T73] [ 576.870285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.870285][ T73] netdev_get_by_index+0x5e/0x80 [ 576.870285][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.870285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.870285][ T73] ip6_route_add+0x1c/0x140 [ 576.870285][ T73] addrconf_prefix_route+0x2a6/0x430 [ 576.870285][ T73] inet6_addr_add+0x4f8/0xa40 [ 576.870285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.870285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.870285][ T73] netlink_rcv_skb+0x130/0x360 [ 576.870285][ T73] netlink_unicast+0x449/0x710 [ 576.870285][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.870285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.870285][ T73] ___sys_sendmsg+0xee/0x170 [ 576.870285][ T73] __sys_sendmsg+0xcd/0x170 [ 576.870285][ T73] do_syscall_64+0xc6/0x1e0 [ 576.870285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.870285][ T73] [ 576.872588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.872588][ T73] netdev_get_by_index+0x5e/0x80 [ 576.872588][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.872588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.872588][ T73] addrconf_f6i_alloc+0x315/0x560 [ 576.872588][ T73] ipv6_add_addr+0x411/0x2000 [ 576.872588][ T73] inet6_addr_add+0x30e/0xa40 [ 576.872588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.872588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.872588][ T73] netlink_rcv_skb+0x130/0x360 [ 576.872588][ T73] netlink_unicast+0x449/0x710 [ 576.872588][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.872588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.872588][ T73] ___sys_sendmsg+0xee/0x170 [ 576.872588][ T73] __sys_sendmsg+0xcd/0x170 [ 576.872588][ T73] do_syscall_64+0xc6/0x1e0 [ 576.872588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.872588][ T73] [ 576.874837][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.874837][ T73] netdev_get_by_index+0x5e/0x80 [ 576.874837][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.874837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.874837][ T73] ip6_route_add+0x1c/0x140 [ 576.874837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 576.874837][ T73] addrconf_add_dev+0xe2/0x170 [ 576.874837][ T73] inet6_addr_add+0x12f/0xa40 [ 576.874837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.874837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.874837][ T73] netlink_rcv_skb+0x130/0x360 [ 576.874837][ T73] netlink_unicast+0x449/0x710 [ 576.874837][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.874837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.874837][ T73] ___sys_sendmsg+0xee/0x170 [ 576.874837][ T73] __sys_sendmsg+0xcd/0x170 [ 576.874837][ T73] do_syscall_64+0xc6/0x1e0 [ 576.874837][ T73] [ 576.877047][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.877047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 576.877047][ T73] ipv6_find_idev+0x102/0x170 [ 576.877047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.877047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.877047][ T73] netlink_rcv_skb+0x130/0x360 [ 576.877047][ T73] netlink_unicast+0x449/0x710 [ 576.877047][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.877047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.877047][ T73] ___sys_sendmsg+0xee/0x170 [ 576.877047][ T73] __sys_sendmsg+0xcd/0x170 [ 576.877047][ T73] do_syscall_64+0xc6/0x1e0 [ 576.877047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.877047][ T73] [ 576.878718][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 576.878718][ T73] neigh_parms_alloc+0x1e5/0x510 [ 576.878718][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 576.878718][ T73] ipv6_find_idev+0x102/0x170 [ 576.878718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.878718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.878718][ T73] netlink_rcv_skb+0x130/0x360 [ 576.878718][ T73] netlink_unicast+0x449/0x710 [ 576.878718][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.878718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.878718][ T73] ___sys_sendmsg+0xee/0x170 [ 576.878718][ T73] __sys_sendmsg+0xcd/0x170 [ 576.878718][ T73] do_syscall_64+0xc6/0x1e0 [ 576.878718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.878718][ T73] [ 576.880739][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 576.881479][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 576.881479][ T73] netdev_get_by_index+0x5e/0x80 [ 576.881479][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.881479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.881479][ T73] addrconf_f6i_alloc+0x265/0x560 [ 576.881479][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 576.881479][ T73] addrconf_join_anycast+0x1c0/0x220 [ 576.881479][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 576.881479][ T73] addrconf_dad_completed+0x12b/0xe20 [ 576.881479][ T73] addrconf_dad_begin+0x310/0x670 [ 576.881479][ T73] addrconf_dad_work+0x10b/0xab0 [ 576.881479][ T73] process_one_work+0x84d/0x18a0 [ 576.881479][ T73] worker_thread+0x587/0xd30 [ 576.881479][ T73] kthread+0x28a/0x350 [ 576.881479][ T73] ret_from_fork+0x31/0x70 [ 576.881479][ T73] ret_from_fork_asm+0x1a/0x30 [ 576.881479][ T73] [ 576.883396][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 576.883396][ T73] netdev_get_by_index+0x5e/0x80 [ 576.883396][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.883396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.883396][ T73] ip6_route_add+0x1c/0x140 [ 576.883396][ T73] addrconf_prefix_route+0x2a6/0x430 [ 576.883396][ T73] inet6_addr_add+0x4f8/0xa40 [ 576.883396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.883396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.883396][ T73] netlink_rcv_skb+0x130/0x360 [ 576.883396][ T73] netlink_unicast+0x449/0x710 [ 576.883396][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.883396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.883396][ T73] ___sys_sendmsg+0xee/0x170 [ 576.883396][ T73] __sys_sendmsg+0xcd/0x170 [ 576.883396][ T73] do_syscall_64+0xc6/0x1e0 [ 576.883396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.883396][ T73] [ 576.885523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 576.885523][ T73] netdev_get_by_index+0x5e/0x80 [ 576.885523][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.885523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.885523][ T73] addrconf_f6i_alloc+0x315/0x560 [ 576.885523][ T73] ipv6_add_addr+0x411/0x2000 [ 576.885523][ T73] inet6_addr_add+0x30e/0xa40 [ 576.885523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.885523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.885523][ T73] netlink_rcv_skb+0x130/0x360 [ 576.885523][ T73] netlink_unicast+0x449/0x710 [ 576.885523][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.885523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.885523][ T73] ___sys_sendmsg+0xee/0x170 [ 576.885523][ T73] __sys_sendmsg+0xcd/0x170 [ 576.885523][ T73] do_syscall_64+0xc6/0x1e0 [ 576.885523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.885523][ T73] [ 576.887780][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 576.887780][ T73] netdev_get_by_index+0x5e/0x80 [ 576.887780][ T73] fib6_nh_init+0x3d8/0x1580 [ 576.887780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 576.887780][ T73] ip6_route_add+0x1c/0x140 [ 576.887780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 576.887780][ T73] addrconf_add_dev+0xe2/0x170 [ 576.887780][ T73] inet6_addr_add+0x12f/0xa40 [ 576.887780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 576.887780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.887780][ T73] netlink_rcv_skb+0x130/0x360 [ 576.887780][ T73] netlink_unicast+0x449/0x710 [ 576.887780][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.887780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.887780][ T73] ___sys_sendmsg+0xee/0x170 [ 576.887780][ T73] __sys_sendmsg+0xcd/0x170 [ 576.887780][ T73] do_syscall_64+0xc6/0x1e0 [ 576.887780][ T73] [ 576.889937][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 576.889937][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 576.889937][ T73] ipv6_find_idev+0x102/0x170 [ 576.889937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.889937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.889937][ T73] netlink_rcv_skb+0x130/0x360 [ 576.889937][ T73] netlink_unicast+0x449/0x710 [ 576.889937][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.889937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.889937][ T73] ___sys_sendmsg+0xee/0x170 [ 576.889937][ T73] __sys_sendmsg+0xcd/0x170 [ 576.889937][ T73] do_syscall_64+0xc6/0x1e0 [ 576.889937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.889937][ T73] [ 576.891666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 576.891666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 576.891666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 576.891666][ T73] ipv6_find_idev+0x102/0x170 [ 576.891666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.891666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.891666][ T73] netlink_rcv_skb+0x130/0x360 [ 576.891666][ T73] netlink_unicast+0x449/0x710 [ 576.891666][ T73] netlink_sendmsg+0x723/0xbe0 [ 576.891666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 576.891666][ T73] ___sys_sendmsg+0xee/0x170 [ 576.891666][ T73] __sys_sendmsg+0xcd/0x170 [ 576.891666][ T73] do_syscall_64+0xc6/0x1e0 [ 576.891666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.891666][ T73] [ 587.118911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 587.119372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.119372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 587.119372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 587.119372][ T73] fib6_nh_init+0xa22/0x1580 [ 587.119372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.119372][ T73] ip6_route_add+0x1c/0x140 [ 587.119372][ T73] inet6_rtm_newroute+0x104/0x110 [ 587.119372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.119372][ T73] netlink_rcv_skb+0x130/0x360 [ 587.119372][ T73] netlink_unicast+0x449/0x710 [ 587.119372][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.119372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.119372][ T73] ___sys_sendmsg+0xee/0x170 [ 587.119372][ T73] __sys_sendmsg+0xcd/0x170 [ 587.119372][ T73] do_syscall_64+0xc6/0x1e0 [ 587.119372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.119372][ T73] [ 587.121582][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.121582][ T73] dst_init+0x84/0x4a0 [ 587.121582][ T73] dst_alloc+0x97/0x150 [ 587.121582][ T73] ip6_dst_alloc+0x23/0x90 [ 587.121582][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 587.121582][ T73] ip6_pol_route+0x56f/0x840 [ 587.121582][ T73] fib6_rule_lookup+0x456/0x630 [ 587.121582][ T73] ip6_route_input+0x59c/0xa50 [ 587.121582][ T73] ipv6_rcv+0x397/0x810 [ 587.121582][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 587.121582][ T73] process_backlog+0x101/0x620 [ 587.121582][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 587.121582][ T73] net_rx_action+0x495/0xbe0 [ 587.121582][ T73] __do_softirq+0x1b5/0x7f6 [ 587.121582][ T73] [ 587.123446][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.123446][ T73] netdev_get_by_index+0x5e/0x80 [ 587.123446][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.123446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.123446][ T73] ip6_route_add+0x1c/0x140 [ 587.123446][ T73] addrconf_prefix_route+0x2a6/0x430 [ 587.123446][ T73] inet6_addr_add+0x4f8/0xa40 [ 587.123446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.123446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.123446][ T73] netlink_rcv_skb+0x130/0x360 [ 587.123446][ T73] netlink_unicast+0x449/0x710 [ 587.123446][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.123446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.123446][ T73] ___sys_sendmsg+0xee/0x170 [ 587.123446][ T73] __sys_sendmsg+0xcd/0x170 [ 587.123446][ T73] do_syscall_64+0xc6/0x1e0 [ 587.123446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.123446][ T73] [ 587.125685][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.125685][ T73] netdev_get_by_index+0x5e/0x80 [ 587.125685][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.125685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.125685][ T73] addrconf_f6i_alloc+0x315/0x560 [ 587.125685][ T73] ipv6_add_addr+0x411/0x2000 [ 587.125685][ T73] inet6_addr_add+0x30e/0xa40 [ 587.125685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.125685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.125685][ T73] netlink_rcv_skb+0x130/0x360 [ 587.125685][ T73] netlink_unicast+0x449/0x710 [ 587.125685][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.125685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.125685][ T73] ___sys_sendmsg+0xee/0x170 [ 587.125685][ T73] __sys_sendmsg+0xcd/0x170 [ 587.125685][ T73] do_syscall_64+0xc6/0x1e0 [ 587.125685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.125685][ T73] [ 587.127957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.127957][ T73] netdev_get_by_index+0x5e/0x80 [ 587.127957][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.127957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.127957][ T73] ip6_route_add+0x1c/0x140 [ 587.127957][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 587.127957][ T73] addrconf_add_dev+0xe2/0x170 [ 587.127957][ T73] inet6_addr_add+0x12f/0xa40 [ 587.127957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.127957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.127957][ T73] netlink_rcv_skb+0x130/0x360 [ 587.127957][ T73] netlink_unicast+0x449/0x710 [ 587.127957][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.127957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.127957][ T73] ___sys_sendmsg+0xee/0x170 [ 587.127957][ T73] __sys_sendmsg+0xcd/0x170 [ 587.127957][ T73] do_syscall_64+0xc6/0x1e0 [ 587.127957][ T73] [ 587.130181][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.130181][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 587.130181][ T73] ipv6_find_idev+0x102/0x170 [ 587.130181][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.130181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.130181][ T73] netlink_rcv_skb+0x130/0x360 [ 587.130181][ T73] netlink_unicast+0x449/0x710 [ 587.130181][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.130181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.130181][ T73] ___sys_sendmsg+0xee/0x170 [ 587.130181][ T73] __sys_sendmsg+0xcd/0x170 [ 587.130181][ T73] do_syscall_64+0xc6/0x1e0 [ 587.130181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.130181][ T73] [ 587.131934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 587.131934][ T73] neigh_parms_alloc+0x1e5/0x510 [ 587.131934][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 587.131934][ T73] ipv6_find_idev+0x102/0x170 [ 587.131934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.131934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.131934][ T73] netlink_rcv_skb+0x130/0x360 [ 587.131934][ T73] netlink_unicast+0x449/0x710 [ 587.131934][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.131934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.131934][ T73] ___sys_sendmsg+0xee/0x170 [ 587.131934][ T73] __sys_sendmsg+0xcd/0x170 [ 587.131934][ T73] do_syscall_64+0xc6/0x1e0 [ 587.131934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.131934][ T73] [ 587.133843][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 587.134151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.134151][ T73] dst_init+0x84/0x4a0 [ 587.134151][ T73] dst_alloc+0x97/0x150 [ 587.134151][ T73] ip6_dst_alloc+0x23/0x90 [ 587.134151][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 587.134151][ T73] ip6_pol_route+0x56f/0x840 [ 587.134151][ T73] fib6_rule_lookup+0x456/0x630 [ 587.134151][ T73] ip6_route_input+0x59c/0xa50 [ 587.134151][ T73] ipv6_rcv+0x397/0x810 [ 587.134151][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 587.134151][ T73] process_backlog+0x101/0x620 [ 587.134151][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 587.134151][ T73] net_rx_action+0x495/0xbe0 [ 587.134151][ T73] __do_softirq+0x1b5/0x7f6 [ 587.134151][ T73] [ 587.136045][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.136045][ T73] netdev_get_by_index+0x5e/0x80 [ 587.136045][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.136045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.136045][ T73] addrconf_f6i_alloc+0x265/0x560 [ 587.136045][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 587.136045][ T73] addrconf_join_anycast+0x1c0/0x220 [ 587.136045][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 587.136045][ T73] addrconf_dad_completed+0x12b/0xe20 [ 587.136045][ T73] addrconf_dad_begin+0x310/0x670 [ 587.136045][ T73] addrconf_dad_work+0x10b/0xab0 [ 587.136045][ T73] process_one_work+0x84d/0x18a0 [ 587.136045][ T73] worker_thread+0x587/0xd30 [ 587.136045][ T73] kthread+0x28a/0x350 [ 587.136045][ T73] ret_from_fork+0x31/0x70 [ 587.136045][ T73] ret_from_fork_asm+0x1a/0x30 [ 587.136045][ T73] [ 587.138204][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.138204][ T73] netdev_get_by_index+0x5e/0x80 [ 587.138204][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.138204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.138204][ T73] ip6_route_add+0x1c/0x140 [ 587.138204][ T73] addrconf_prefix_route+0x2a6/0x430 [ 587.138204][ T73] inet6_addr_add+0x4f8/0xa40 [ 587.138204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.138204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.138204][ T73] netlink_rcv_skb+0x130/0x360 [ 587.138204][ T73] netlink_unicast+0x449/0x710 [ 587.138204][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.138204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.138204][ T73] ___sys_sendmsg+0xee/0x170 [ 587.138204][ T73] __sys_sendmsg+0xcd/0x170 [ 587.138204][ T73] do_syscall_64+0xc6/0x1e0 [ 587.138204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.138204][ T73] [ 587.140509][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.140509][ T73] netdev_get_by_index+0x5e/0x80 [ 587.140509][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.140509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.140509][ T73] addrconf_f6i_alloc+0x315/0x560 [ 587.140509][ T73] ipv6_add_addr+0x411/0x2000 [ 587.140509][ T73] inet6_addr_add+0x30e/0xa40 [ 587.140509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.140509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.140509][ T73] netlink_rcv_skb+0x130/0x360 [ 587.140509][ T73] netlink_unicast+0x449/0x710 [ 587.140509][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.140509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.140509][ T73] ___sys_sendmsg+0xee/0x170 [ 587.140509][ T73] __sys_sendmsg+0xcd/0x170 [ 587.140509][ T73] do_syscall_64+0xc6/0x1e0 [ 587.140509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.140509][ T73] [ 587.142779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.142779][ T73] netdev_get_by_index+0x5e/0x80 [ 587.142779][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.142779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.142779][ T73] ip6_route_add+0x1c/0x140 [ 587.142779][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 587.142779][ T73] addrconf_add_dev+0xe2/0x170 [ 587.142779][ T73] inet6_addr_add+0x12f/0xa40 [ 587.142779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.142779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.142779][ T73] netlink_rcv_skb+0x130/0x360 [ 587.142779][ T73] netlink_unicast+0x449/0x710 [ 587.142779][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.142779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.142779][ T73] ___sys_sendmsg+0xee/0x170 [ 587.142779][ T73] __sys_sendmsg+0xcd/0x170 [ 587.142779][ T73] do_syscall_64+0xc6/0x1e0 [ 587.142779][ T73] [ 587.145025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.145025][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 587.145025][ T73] ipv6_find_idev+0x102/0x170 [ 587.145025][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.145025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.145025][ T73] netlink_rcv_skb+0x130/0x360 [ 587.145025][ T73] netlink_unicast+0x449/0x710 [ 587.145025][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.145025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.145025][ T73] ___sys_sendmsg+0xee/0x170 [ 587.145025][ T73] __sys_sendmsg+0xcd/0x170 [ 587.145025][ T73] do_syscall_64+0xc6/0x1e0 [ 587.145025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.145025][ T73] [ 587.146769][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 587.146769][ T73] neigh_parms_alloc+0x1e5/0x510 [ 587.146769][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 587.146769][ T73] ipv6_find_idev+0x102/0x170 [ 587.146769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.146769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.146769][ T73] netlink_rcv_skb+0x130/0x360 [ 587.146769][ T73] netlink_unicast+0x449/0x710 [ 587.146769][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.146769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.146769][ T73] ___sys_sendmsg+0xee/0x170 [ 587.146769][ T73] __sys_sendmsg+0xcd/0x170 [ 587.146769][ T73] do_syscall_64+0xc6/0x1e0 [ 587.146769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.146769][ T73] [ 587.148816][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 587.149125][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.149125][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 587.149125][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 587.149125][ T73] fib6_nh_init+0xa22/0x1580 [ 587.149125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.149125][ T73] ip6_route_add+0x1c/0x140 [ 587.149125][ T73] inet6_rtm_newroute+0x104/0x110 [ 587.149125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.149125][ T73] netlink_rcv_skb+0x130/0x360 [ 587.149125][ T73] netlink_unicast+0x449/0x710 [ 587.149125][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.149125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.149125][ T73] ___sys_sendmsg+0xee/0x170 [ 587.149125][ T73] __sys_sendmsg+0xcd/0x170 [ 587.149125][ T73] do_syscall_64+0xc6/0x1e0 [ 587.149125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.149125][ T73] [ 587.151579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.151579][ T73] dst_init+0x84/0x4a0 [ 587.151579][ T73] dst_alloc+0x97/0x150 [ 587.151579][ T73] ip6_dst_alloc+0x23/0x90 [ 587.151579][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 587.151579][ T73] ip6_pol_route+0x56f/0x840 [ 587.151579][ T73] fib6_rule_lookup+0x456/0x630 [ 587.151579][ T73] ip6_route_input+0x59c/0xa50 [ 587.151579][ T73] ipv6_rcv+0x397/0x810 [ 587.151579][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 587.151579][ T73] process_backlog+0x101/0x620 [ 587.151579][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 587.151579][ T73] net_rx_action+0x495/0xbe0 [ 587.151579][ T73] __do_softirq+0x1b5/0x7f6 [ 587.151579][ T73] [ 587.153620][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.153620][ T73] netdev_get_by_index+0x5e/0x80 [ 587.153620][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.153620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.153620][ T73] ip6_route_add+0x1c/0x140 [ 587.153620][ T73] addrconf_prefix_route+0x2a6/0x430 [ 587.153620][ T73] inet6_addr_add+0x4f8/0xa40 [ 587.153620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.153620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.153620][ T73] netlink_rcv_skb+0x130/0x360 [ 587.153620][ T73] netlink_unicast+0x449/0x710 [ 587.153620][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.153620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.153620][ T73] ___sys_sendmsg+0xee/0x170 [ 587.153620][ T73] __sys_sendmsg+0xcd/0x170 [ 587.153620][ T73] do_syscall_64+0xc6/0x1e0 [ 587.153620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.153620][ T73] [ 587.156146][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.156146][ T73] netdev_get_by_index+0x5e/0x80 [ 587.156146][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.156146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.156146][ T73] addrconf_f6i_alloc+0x315/0x560 [ 587.156146][ T73] ipv6_add_addr+0x411/0x2000 [ 587.156146][ T73] inet6_addr_add+0x30e/0xa40 [ 587.156146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.156146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.156146][ T73] netlink_rcv_skb+0x130/0x360 [ 587.156146][ T73] netlink_unicast+0x449/0x710 [ 587.156146][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.156146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.156146][ T73] ___sys_sendmsg+0xee/0x170 [ 587.156146][ T73] __sys_sendmsg+0xcd/0x170 [ 587.156146][ T73] do_syscall_64+0xc6/0x1e0 [ 587.156146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.156146][ T73] [ 587.158657][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.158657][ T73] netdev_get_by_index+0x5e/0x80 [ 587.158657][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.158657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.158657][ T73] ip6_route_add+0x1c/0x140 [ 587.158657][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 587.158657][ T73] addrconf_add_dev+0xe2/0x170 [ 587.158657][ T73] inet6_addr_add+0x12f/0xa40 [ 587.158657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.158657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.158657][ T73] netlink_rcv_skb+0x130/0x360 [ 587.158657][ T73] netlink_unicast+0x449/0x710 [ 587.158657][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.158657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.158657][ T73] ___sys_sendmsg+0xee/0x170 [ 587.158657][ T73] __sys_sendmsg+0xcd/0x170 [ 587.158657][ T73] do_syscall_64+0xc6/0x1e0 [ 587.158657][ T73] [ 587.161150][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.161150][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 587.161150][ T73] ipv6_find_idev+0x102/0x170 [ 587.161150][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.161150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.161150][ T73] netlink_rcv_skb+0x130/0x360 [ 587.161150][ T73] netlink_unicast+0x449/0x710 [ 587.161150][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.161150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.161150][ T73] ___sys_sendmsg+0xee/0x170 [ 587.161150][ T73] __sys_sendmsg+0xcd/0x170 [ 587.161150][ T73] do_syscall_64+0xc6/0x1e0 [ 587.161150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.161150][ T73] [ 587.163062][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 587.163062][ T73] neigh_parms_alloc+0x1e5/0x510 [ 587.163062][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 587.163062][ T73] ipv6_find_idev+0x102/0x170 [ 587.163062][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.163062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.163062][ T73] netlink_rcv_skb+0x130/0x360 [ 587.163062][ T73] netlink_unicast+0x449/0x710 [ 587.163062][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.163062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.163062][ T73] ___sys_sendmsg+0xee/0x170 [ 587.163062][ T73] __sys_sendmsg+0xcd/0x170 [ 587.163062][ T73] do_syscall_64+0xc6/0x1e0 [ 587.163062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.163062][ T73] [ 587.165251][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 587.165561][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 587.165561][ T73] netdev_get_by_index+0x5e/0x80 [ 587.165561][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.165561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.165561][ T73] addrconf_f6i_alloc+0x265/0x560 [ 587.165561][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 587.165561][ T73] addrconf_join_anycast+0x1c0/0x220 [ 587.165561][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 587.165561][ T73] addrconf_dad_completed+0x12b/0xe20 [ 587.165561][ T73] addrconf_dad_begin+0x310/0x670 [ 587.165561][ T73] addrconf_dad_work+0x10b/0xab0 [ 587.165561][ T73] process_one_work+0x84d/0x18a0 [ 587.165561][ T73] worker_thread+0x587/0xd30 [ 587.165561][ T73] kthread+0x28a/0x350 [ 587.165561][ T73] ret_from_fork+0x31/0x70 [ 587.165561][ T73] ret_from_fork_asm+0x1a/0x30 [ 587.165561][ T73] [ 587.167990][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 587.167990][ T73] netdev_get_by_index+0x5e/0x80 [ 587.167990][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.167990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.167990][ T73] ip6_route_add+0x1c/0x140 [ 587.167990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 587.167990][ T73] inet6_addr_add+0x4f8/0xa40 [ 587.167990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.167990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.167990][ T73] netlink_rcv_skb+0x130/0x360 [ 587.167990][ T73] netlink_unicast+0x449/0x710 [ 587.167990][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.167990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.167990][ T73] ___sys_sendmsg+0xee/0x170 [ 587.167990][ T73] __sys_sendmsg+0xcd/0x170 [ 587.167990][ T73] do_syscall_64+0xc6/0x1e0 [ 587.167990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.167990][ T73] [ 587.170407][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 587.170407][ T73] netdev_get_by_index+0x5e/0x80 [ 587.170407][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.170407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.170407][ T73] addrconf_f6i_alloc+0x315/0x560 [ 587.170407][ T73] ipv6_add_addr+0x411/0x2000 [ 587.170407][ T73] inet6_addr_add+0x30e/0xa40 [ 587.170407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.170407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.170407][ T73] netlink_rcv_skb+0x130/0x360 [ 587.170407][ T73] netlink_unicast+0x449/0x710 [ 587.170407][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.170407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.170407][ T73] ___sys_sendmsg+0xee/0x170 [ 587.170407][ T73] __sys_sendmsg+0xcd/0x170 [ 587.170407][ T73] do_syscall_64+0xc6/0x1e0 [ 587.170407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.170407][ T73] [ 587.173001][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 587.173001][ T73] netdev_get_by_index+0x5e/0x80 [ 587.173001][ T73] fib6_nh_init+0x3d8/0x1580 [ 587.173001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 587.173001][ T73] ip6_route_add+0x1c/0x140 [ 587.173001][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 587.173001][ T73] addrconf_add_dev+0xe2/0x170 [ 587.173001][ T73] inet6_addr_add+0x12f/0xa40 [ 587.173001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 587.173001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.173001][ T73] netlink_rcv_skb+0x130/0x360 [ 587.173001][ T73] netlink_unicast+0x449/0x710 [ 587.173001][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.173001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.173001][ T73] ___sys_sendmsg+0xee/0x170 [ 587.173001][ T73] __sys_sendmsg+0xcd/0x170 [ 587.173001][ T73] do_syscall_64+0xc6/0x1e0 [ 587.173001][ T73] [ 587.175498][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 587.175498][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 587.175498][ T73] ipv6_find_idev+0x102/0x170 [ 587.175498][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.175498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.175498][ T73] netlink_rcv_skb+0x130/0x360 [ 587.175498][ T73] netlink_unicast+0x449/0x710 [ 587.175498][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.175498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.175498][ T73] ___sys_sendmsg+0xee/0x170 [ 587.175498][ T73] __sys_sendmsg+0xcd/0x170 [ 587.175498][ T73] do_syscall_64+0xc6/0x1e0 [ 587.175498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.175498][ T73] [ 587.177413][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 587.177413][ T73] neigh_parms_alloc+0x1e5/0x510 [ 587.177413][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 587.177413][ T73] ipv6_find_idev+0x102/0x170 [ 587.177413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 587.177413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 587.177413][ T73] netlink_rcv_skb+0x130/0x360 [ 587.177413][ T73] netlink_unicast+0x449/0x710 [ 587.177413][ T73] netlink_sendmsg+0x723/0xbe0 [ 587.177413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 587.177413][ T73] ___sys_sendmsg+0xee/0x170 [ 587.177413][ T73] __sys_sendmsg+0xcd/0x170 [ 587.177413][ T73] do_syscall_64+0xc6/0x1e0 [ 587.177413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 587.177413][ T73] [ 597.422898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 597.423499][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.423499][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 597.423499][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 597.423499][ T73] fib6_nh_init+0xa22/0x1580 [ 597.423499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.423499][ T73] ip6_route_add+0x1c/0x140 [ 597.423499][ T73] inet6_rtm_newroute+0x104/0x110 [ 597.423499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.423499][ T73] netlink_rcv_skb+0x130/0x360 [ 597.423499][ T73] netlink_unicast+0x449/0x710 [ 597.423499][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.423499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.423499][ T73] ___sys_sendmsg+0xee/0x170 [ 597.423499][ T73] __sys_sendmsg+0xcd/0x170 [ 597.423499][ T73] do_syscall_64+0xc6/0x1e0 [ 597.423499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.423499][ T73] [ 597.426739][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.426739][ T73] dst_init+0x84/0x4a0 [ 597.426739][ T73] dst_alloc+0x97/0x150 [ 597.426739][ T73] ip6_dst_alloc+0x23/0x90 [ 597.426739][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 597.426739][ T73] ip6_pol_route+0x56f/0x840 [ 597.426739][ T73] fib6_rule_lookup+0x456/0x630 [ 597.426739][ T73] ip6_route_input+0x59c/0xa50 [ 597.426739][ T73] ipv6_rcv+0x397/0x810 [ 597.426739][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 597.426739][ T73] process_backlog+0x101/0x620 [ 597.426739][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 597.426739][ T73] net_rx_action+0x495/0xbe0 [ 597.426739][ T73] __do_softirq+0x1b5/0x7f6 [ 597.426739][ T73] [ 597.429609][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.429609][ T73] netdev_get_by_index+0x5e/0x80 [ 597.429609][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.429609][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.429609][ T73] ip6_route_add+0x1c/0x140 [ 597.429609][ T73] addrconf_prefix_route+0x2a6/0x430 [ 597.429609][ T73] inet6_addr_add+0x4f8/0xa40 [ 597.429609][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.429609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.429609][ T73] netlink_rcv_skb+0x130/0x360 [ 597.429609][ T73] netlink_unicast+0x449/0x710 [ 597.429609][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.429609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.429609][ T73] ___sys_sendmsg+0xee/0x170 [ 597.429609][ T73] __sys_sendmsg+0xcd/0x170 [ 597.429609][ T73] do_syscall_64+0xc6/0x1e0 [ 597.429609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.429609][ T73] [ 597.433064][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.433064][ T73] netdev_get_by_index+0x5e/0x80 [ 597.433064][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.433064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.433064][ T73] addrconf_f6i_alloc+0x315/0x560 [ 597.433064][ T73] ipv6_add_addr+0x411/0x2000 [ 597.433064][ T73] inet6_addr_add+0x30e/0xa40 [ 597.433064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.433064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.433064][ T73] netlink_rcv_skb+0x130/0x360 [ 597.433064][ T73] netlink_unicast+0x449/0x710 [ 597.433064][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.433064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.433064][ T73] ___sys_sendmsg+0xee/0x170 [ 597.433064][ T73] __sys_sendmsg+0xcd/0x170 [ 597.433064][ T73] do_syscall_64+0xc6/0x1e0 [ 597.433064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.433064][ T73] [ 597.436505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.436505][ T73] netdev_get_by_index+0x5e/0x80 [ 597.436505][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.436505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.436505][ T73] ip6_route_add+0x1c/0x140 [ 597.436505][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 597.436505][ T73] addrconf_add_dev+0xe2/0x170 [ 597.436505][ T73] inet6_addr_add+0x12f/0xa40 [ 597.436505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.436505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.436505][ T73] netlink_rcv_skb+0x130/0x360 [ 597.436505][ T73] netlink_unicast+0x449/0x710 [ 597.436505][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.436505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.436505][ T73] ___sys_sendmsg+0xee/0x170 [ 597.436505][ T73] __sys_sendmsg+0xcd/0x170 [ 597.436505][ T73] do_syscall_64+0xc6/0x1e0 [ 597.436505][ T73] [ 597.439779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.439779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 597.439779][ T73] ipv6_find_idev+0x102/0x170 [ 597.439779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.439779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.439779][ T73] netlink_rcv_skb+0x130/0x360 [ 597.439779][ T73] netlink_unicast+0x449/0x710 [ 597.439779][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.439779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.439779][ T73] ___sys_sendmsg+0xee/0x170 [ 597.439779][ T73] __sys_sendmsg+0xcd/0x170 [ 597.439779][ T73] do_syscall_64+0xc6/0x1e0 [ 597.439779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.439779][ T73] [ 597.442365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 597.442365][ T73] neigh_parms_alloc+0x1e5/0x510 [ 597.442365][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 597.442365][ T73] ipv6_find_idev+0x102/0x170 [ 597.442365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.442365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.442365][ T73] netlink_rcv_skb+0x130/0x360 [ 597.442365][ T73] netlink_unicast+0x449/0x710 [ 597.442365][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.442365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.442365][ T73] ___sys_sendmsg+0xee/0x170 [ 597.442365][ T73] __sys_sendmsg+0xcd/0x170 [ 597.442365][ T73] do_syscall_64+0xc6/0x1e0 [ 597.442365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.442365][ T73] [ 597.444822][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 597.445136][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.445136][ T73] dst_init+0x84/0x4a0 [ 597.445136][ T73] dst_alloc+0x97/0x150 [ 597.445136][ T73] ip6_dst_alloc+0x23/0x90 [ 597.445136][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 597.445136][ T73] ip6_pol_route+0x56f/0x840 [ 597.445136][ T73] fib6_rule_lookup+0x456/0x630 [ 597.445136][ T73] ip6_route_input+0x59c/0xa50 [ 597.445136][ T73] ipv6_rcv+0x397/0x810 [ 597.445136][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 597.445136][ T73] process_backlog+0x101/0x620 [ 597.445136][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 597.445136][ T73] net_rx_action+0x495/0xbe0 [ 597.445136][ T73] __do_softirq+0x1b5/0x7f6 [ 597.445136][ T73] [ 597.447041][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.447041][ T73] netdev_get_by_index+0x5e/0x80 [ 597.447041][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.447041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.447041][ T73] addrconf_f6i_alloc+0x265/0x560 [ 597.447041][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 597.447041][ T73] addrconf_join_anycast+0x1c0/0x220 [ 597.447041][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 597.447041][ T73] addrconf_dad_completed+0x12b/0xe20 [ 597.447041][ T73] addrconf_dad_begin+0x310/0x670 [ 597.447041][ T73] addrconf_dad_work+0x10b/0xab0 [ 597.447041][ T73] process_one_work+0x84d/0x18a0 [ 597.447041][ T73] worker_thread+0x587/0xd30 [ 597.447041][ T73] kthread+0x28a/0x350 [ 597.447041][ T73] ret_from_fork+0x31/0x70 [ 597.447041][ T73] ret_from_fork_asm+0x1a/0x30 [ 597.447041][ T73] [ 597.449309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.449309][ T73] netdev_get_by_index+0x5e/0x80 [ 597.449309][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.449309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.449309][ T73] ip6_route_add+0x1c/0x140 [ 597.449309][ T73] addrconf_prefix_route+0x2a6/0x430 [ 597.449309][ T73] inet6_addr_add+0x4f8/0xa40 [ 597.449309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.449309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.449309][ T73] netlink_rcv_skb+0x130/0x360 [ 597.449309][ T73] netlink_unicast+0x449/0x710 [ 597.449309][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.449309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.449309][ T73] ___sys_sendmsg+0xee/0x170 [ 597.449309][ T73] __sys_sendmsg+0xcd/0x170 [ 597.449309][ T73] do_syscall_64+0xc6/0x1e0 [ 597.449309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.449309][ T73] [ 597.451654][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.451654][ T73] netdev_get_by_index+0x5e/0x80 [ 597.451654][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.451654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.451654][ T73] addrconf_f6i_alloc+0x315/0x560 [ 597.451654][ T73] ipv6_add_addr+0x411/0x2000 [ 597.451654][ T73] inet6_addr_add+0x30e/0xa40 [ 597.451654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.451654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.451654][ T73] netlink_rcv_skb+0x130/0x360 [ 597.451654][ T73] netlink_unicast+0x449/0x710 [ 597.451654][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.451654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.451654][ T73] ___sys_sendmsg+0xee/0x170 [ 597.451654][ T73] __sys_sendmsg+0xcd/0x170 [ 597.451654][ T73] do_syscall_64+0xc6/0x1e0 [ 597.451654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.451654][ T73] [ 597.454060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.454060][ T73] netdev_get_by_index+0x5e/0x80 [ 597.454060][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.454060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.454060][ T73] ip6_route_add+0x1c/0x140 [ 597.454060][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 597.454060][ T73] addrconf_add_dev+0xe2/0x170 [ 597.454060][ T73] inet6_addr_add+0x12f/0xa40 [ 597.454060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.454060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.454060][ T73] netlink_rcv_skb+0x130/0x360 [ 597.454060][ T73] netlink_unicast+0x449/0x710 [ 597.454060][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.454060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.454060][ T73] ___sys_sendmsg+0xee/0x170 [ 597.454060][ T73] __sys_sendmsg+0xcd/0x170 [ 597.454060][ T73] do_syscall_64+0xc6/0x1e0 [ 597.454060][ T73] [ 597.456362][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.456362][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 597.456362][ T73] ipv6_find_idev+0x102/0x170 [ 597.456362][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.456362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.456362][ T73] netlink_rcv_skb+0x130/0x360 [ 597.456362][ T73] netlink_unicast+0x449/0x710 [ 597.456362][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.456362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.456362][ T73] ___sys_sendmsg+0xee/0x170 [ 597.456362][ T73] __sys_sendmsg+0xcd/0x170 [ 597.456362][ T73] do_syscall_64+0xc6/0x1e0 [ 597.456362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.456362][ T73] [ 597.458263][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 597.458263][ T73] neigh_parms_alloc+0x1e5/0x510 [ 597.458263][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 597.458263][ T73] ipv6_find_idev+0x102/0x170 [ 597.458263][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.458263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.458263][ T73] netlink_rcv_skb+0x130/0x360 [ 597.458263][ T73] netlink_unicast+0x449/0x710 [ 597.458263][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.458263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.458263][ T73] ___sys_sendmsg+0xee/0x170 [ 597.458263][ T73] __sys_sendmsg+0xcd/0x170 [ 597.458263][ T73] do_syscall_64+0xc6/0x1e0 [ 597.458263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.458263][ T73] [ 597.460364][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 597.460684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.460684][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 597.460684][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 597.460684][ T73] fib6_nh_init+0xa22/0x1580 [ 597.460684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.460684][ T73] ip6_route_add+0x1c/0x140 [ 597.460684][ T73] inet6_rtm_newroute+0x104/0x110 [ 597.460684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.460684][ T73] netlink_rcv_skb+0x130/0x360 [ 597.460684][ T73] netlink_unicast+0x449/0x710 [ 597.460684][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.460684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.460684][ T73] ___sys_sendmsg+0xee/0x170 [ 597.460684][ T73] __sys_sendmsg+0xcd/0x170 [ 597.460684][ T73] do_syscall_64+0xc6/0x1e0 [ 597.460684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.460684][ T73] [ 597.463160][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.463160][ T73] dst_init+0x84/0x4a0 [ 597.463160][ T73] dst_alloc+0x97/0x150 [ 597.463160][ T73] ip6_dst_alloc+0x23/0x90 [ 597.463160][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 597.463160][ T73] ip6_pol_route+0x56f/0x840 [ 597.463160][ T73] fib6_rule_lookup+0x456/0x630 [ 597.463160][ T73] ip6_route_input+0x59c/0xa50 [ 597.463160][ T73] ipv6_rcv+0x397/0x810 [ 597.463160][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 597.463160][ T73] process_backlog+0x101/0x620 [ 597.463160][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 597.463160][ T73] net_rx_action+0x495/0xbe0 [ 597.463160][ T73] __do_softirq+0x1b5/0x7f6 [ 597.463160][ T73] [ 597.465211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.465211][ T73] netdev_get_by_index+0x5e/0x80 [ 597.465211][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.465211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.465211][ T73] ip6_route_add+0x1c/0x140 [ 597.465211][ T73] addrconf_prefix_route+0x2a6/0x430 [ 597.465211][ T73] inet6_addr_add+0x4f8/0xa40 [ 597.465211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.465211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.465211][ T73] netlink_rcv_skb+0x130/0x360 [ 597.465211][ T73] netlink_unicast+0x449/0x710 [ 597.465211][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.465211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.465211][ T73] ___sys_sendmsg+0xee/0x170 [ 597.465211][ T73] __sys_sendmsg+0xcd/0x170 [ 597.465211][ T73] do_syscall_64+0xc6/0x1e0 [ 597.465211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.465211][ T73] [ 597.467763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.467763][ T73] netdev_get_by_index+0x5e/0x80 [ 597.467763][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.467763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.467763][ T73] addrconf_f6i_alloc+0x315/0x560 [ 597.467763][ T73] ipv6_add_addr+0x411/0x2000 [ 597.467763][ T73] inet6_addr_add+0x30e/0xa40 [ 597.467763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.467763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.467763][ T73] netlink_rcv_skb+0x130/0x360 [ 597.467763][ T73] netlink_unicast+0x449/0x710 [ 597.467763][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.467763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.467763][ T73] ___sys_sendmsg+0xee/0x170 [ 597.467763][ T73] __sys_sendmsg+0xcd/0x170 [ 597.467763][ T73] do_syscall_64+0xc6/0x1e0 [ 597.467763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.467763][ T73] [ 597.470325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.470325][ T73] netdev_get_by_index+0x5e/0x80 [ 597.470325][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.470325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.470325][ T73] ip6_route_add+0x1c/0x140 [ 597.470325][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 597.470325][ T73] addrconf_add_dev+0xe2/0x170 [ 597.470325][ T73] inet6_addr_add+0x12f/0xa40 [ 597.470325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.470325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.470325][ T73] netlink_rcv_skb+0x130/0x360 [ 597.470325][ T73] netlink_unicast+0x449/0x710 [ 597.470325][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.470325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.470325][ T73] ___sys_sendmsg+0xee/0x170 [ 597.470325][ T73] __sys_sendmsg+0xcd/0x170 [ 597.470325][ T73] do_syscall_64+0xc6/0x1e0 [ 597.470325][ T73] [ 597.472907][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.472907][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 597.472907][ T73] ipv6_find_idev+0x102/0x170 [ 597.472907][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.472907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.472907][ T73] netlink_rcv_skb+0x130/0x360 [ 597.472907][ T73] netlink_unicast+0x449/0x710 [ 597.472907][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.472907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.472907][ T73] ___sys_sendmsg+0xee/0x170 [ 597.472907][ T73] __sys_sendmsg+0xcd/0x170 [ 597.472907][ T73] do_syscall_64+0xc6/0x1e0 [ 597.472907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.472907][ T73] [ 597.474859][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 597.474859][ T73] neigh_parms_alloc+0x1e5/0x510 [ 597.474859][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 597.474859][ T73] ipv6_find_idev+0x102/0x170 [ 597.474859][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.474859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.474859][ T73] netlink_rcv_skb+0x130/0x360 [ 597.474859][ T73] netlink_unicast+0x449/0x710 [ 597.474859][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.474859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.474859][ T73] ___sys_sendmsg+0xee/0x170 [ 597.474859][ T73] __sys_sendmsg+0xcd/0x170 [ 597.474859][ T73] do_syscall_64+0xc6/0x1e0 [ 597.474859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.474859][ T73] [ 597.477098][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 597.477418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 597.477418][ T73] netdev_get_by_index+0x5e/0x80 [ 597.477418][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.477418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.477418][ T73] addrconf_f6i_alloc+0x265/0x560 [ 597.477418][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 597.477418][ T73] addrconf_join_anycast+0x1c0/0x220 [ 597.477418][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 597.477418][ T73] addrconf_dad_completed+0x12b/0xe20 [ 597.477418][ T73] addrconf_dad_begin+0x310/0x670 [ 597.477418][ T73] addrconf_dad_work+0x10b/0xab0 [ 597.477418][ T73] process_one_work+0x84d/0x18a0 [ 597.477418][ T73] worker_thread+0x587/0xd30 [ 597.477418][ T73] kthread+0x28a/0x350 [ 597.477418][ T73] ret_from_fork+0x31/0x70 [ 597.477418][ T73] ret_from_fork_asm+0x1a/0x30 [ 597.477418][ T73] [ 597.479896][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 597.479896][ T73] netdev_get_by_index+0x5e/0x80 [ 597.479896][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.479896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.479896][ T73] ip6_route_add+0x1c/0x140 [ 597.479896][ T73] addrconf_prefix_route+0x2a6/0x430 [ 597.479896][ T73] inet6_addr_add+0x4f8/0xa40 [ 597.479896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.479896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.479896][ T73] netlink_rcv_skb+0x130/0x360 [ 597.479896][ T73] netlink_unicast+0x449/0x710 [ 597.479896][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.479896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.479896][ T73] ___sys_sendmsg+0xee/0x170 [ 597.479896][ T73] __sys_sendmsg+0xcd/0x170 [ 597.479896][ T73] do_syscall_64+0xc6/0x1e0 [ 597.479896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.479896][ T73] [ 597.482457][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 597.482457][ T73] netdev_get_by_index+0x5e/0x80 [ 597.482457][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.482457][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.482457][ T73] addrconf_f6i_alloc+0x315/0x560 [ 597.482457][ T73] ipv6_add_addr+0x411/0x2000 [ 597.482457][ T73] inet6_addr_add+0x30e/0xa40 [ 597.482457][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.482457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.482457][ T73] netlink_rcv_skb+0x130/0x360 [ 597.482457][ T73] netlink_unicast+0x449/0x710 [ 597.482457][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.482457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.482457][ T73] ___sys_sendmsg+0xee/0x170 [ 597.482457][ T73] __sys_sendmsg+0xcd/0x170 [ 597.482457][ T73] do_syscall_64+0xc6/0x1e0 [ 597.482457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.482457][ T73] [ 597.484997][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 597.484997][ T73] netdev_get_by_index+0x5e/0x80 [ 597.484997][ T73] fib6_nh_init+0x3d8/0x1580 [ 597.484997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 597.484997][ T73] ip6_route_add+0x1c/0x140 [ 597.484997][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 597.484997][ T73] addrconf_add_dev+0xe2/0x170 [ 597.484997][ T73] inet6_addr_add+0x12f/0xa40 [ 597.484997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 597.484997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.484997][ T73] netlink_rcv_skb+0x130/0x360 [ 597.484997][ T73] netlink_unicast+0x449/0x710 [ 597.484997][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.484997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.484997][ T73] ___sys_sendmsg+0xee/0x170 [ 597.484997][ T73] __sys_sendmsg+0xcd/0x170 [ 597.484997][ T73] do_syscall_64+0xc6/0x1e0 [ 597.484997][ T73] [ 597.487496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 597.487496][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 597.487496][ T73] ipv6_find_idev+0x102/0x170 [ 597.487496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.487496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.487496][ T73] netlink_rcv_skb+0x130/0x360 [ 597.487496][ T73] netlink_unicast+0x449/0x710 [ 597.487496][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.487496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.487496][ T73] ___sys_sendmsg+0xee/0x170 [ 597.487496][ T73] __sys_sendmsg+0xcd/0x170 [ 597.487496][ T73] do_syscall_64+0xc6/0x1e0 [ 597.487496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.487496][ T73] [ 597.489447][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 597.489447][ T73] neigh_parms_alloc+0x1e5/0x510 [ 597.489447][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 597.489447][ T73] ipv6_find_idev+0x102/0x170 [ 597.489447][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 597.489447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 597.489447][ T73] netlink_rcv_skb+0x130/0x360 [ 597.489447][ T73] netlink_unicast+0x449/0x710 [ 597.489447][ T73] netlink_sendmsg+0x723/0xbe0 [ 597.489447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 597.489447][ T73] ___sys_sendmsg+0xee/0x170 [ 597.489447][ T73] __sys_sendmsg+0xcd/0x170 [ 597.489447][ T73] do_syscall_64+0xc6/0x1e0 [ 597.489447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 597.489447][ T73] [ 607.734940][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 607.735385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.735385][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 607.735385][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 607.735385][ T73] fib6_nh_init+0xa22/0x1580 [ 607.735385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.735385][ T73] ip6_route_add+0x1c/0x140 [ 607.735385][ T73] inet6_rtm_newroute+0x104/0x110 [ 607.735385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.735385][ T73] netlink_rcv_skb+0x130/0x360 [ 607.735385][ T73] netlink_unicast+0x449/0x710 [ 607.735385][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.735385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.735385][ T73] ___sys_sendmsg+0xee/0x170 [ 607.735385][ T73] __sys_sendmsg+0xcd/0x170 [ 607.735385][ T73] do_syscall_64+0xc6/0x1e0 [ 607.735385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.735385][ T73] [ 607.737550][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.737550][ T73] dst_init+0x84/0x4a0 [ 607.737550][ T73] dst_alloc+0x97/0x150 [ 607.737550][ T73] ip6_dst_alloc+0x23/0x90 [ 607.737550][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 607.737550][ T73] ip6_pol_route+0x56f/0x840 [ 607.737550][ T73] fib6_rule_lookup+0x456/0x630 [ 607.737550][ T73] ip6_route_input+0x59c/0xa50 [ 607.737550][ T73] ipv6_rcv+0x397/0x810 [ 607.737550][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 607.737550][ T73] process_backlog+0x101/0x620 [ 607.737550][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 607.737550][ T73] net_rx_action+0x495/0xbe0 [ 607.737550][ T73] __do_softirq+0x1b5/0x7f6 [ 607.737550][ T73] [ 607.739466][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.739466][ T73] netdev_get_by_index+0x5e/0x80 [ 607.739466][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.739466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.739466][ T73] ip6_route_add+0x1c/0x140 [ 607.739466][ T73] addrconf_prefix_route+0x2a6/0x430 [ 607.739466][ T73] inet6_addr_add+0x4f8/0xa40 [ 607.739466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.739466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.739466][ T73] netlink_rcv_skb+0x130/0x360 [ 607.739466][ T73] netlink_unicast+0x449/0x710 [ 607.739466][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.739466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.739466][ T73] ___sys_sendmsg+0xee/0x170 [ 607.739466][ T73] __sys_sendmsg+0xcd/0x170 [ 607.739466][ T73] do_syscall_64+0xc6/0x1e0 [ 607.739466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.739466][ T73] [ 607.742210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.742210][ T73] netdev_get_by_index+0x5e/0x80 [ 607.742210][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.742210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.742210][ T73] addrconf_f6i_alloc+0x315/0x560 [ 607.742210][ T73] ipv6_add_addr+0x411/0x2000 [ 607.742210][ T73] inet6_addr_add+0x30e/0xa40 [ 607.742210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.742210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.742210][ T73] netlink_rcv_skb+0x130/0x360 [ 607.742210][ T73] netlink_unicast+0x449/0x710 [ 607.742210][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.742210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.742210][ T73] ___sys_sendmsg+0xee/0x170 [ 607.742210][ T73] __sys_sendmsg+0xcd/0x170 [ 607.742210][ T73] do_syscall_64+0xc6/0x1e0 [ 607.742210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.742210][ T73] [ 607.744235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.744235][ T73] netdev_get_by_index+0x5e/0x80 [ 607.744235][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.744235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.744235][ T73] ip6_route_add+0x1c/0x140 [ 607.744235][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 607.744235][ T73] addrconf_add_dev+0xe2/0x170 [ 607.744235][ T73] inet6_addr_add+0x12f/0xa40 [ 607.744235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.744235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.744235][ T73] netlink_rcv_skb+0x130/0x360 [ 607.744235][ T73] netlink_unicast+0x449/0x710 [ 607.744235][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.744235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.744235][ T73] ___sys_sendmsg+0xee/0x170 [ 607.744235][ T73] __sys_sendmsg+0xcd/0x170 [ 607.744235][ T73] do_syscall_64+0xc6/0x1e0 [ 607.744235][ T73] [ 607.746235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.746235][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 607.746235][ T73] ipv6_find_idev+0x102/0x170 [ 607.746235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.746235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.746235][ T73] netlink_rcv_skb+0x130/0x360 [ 607.746235][ T73] netlink_unicast+0x449/0x710 [ 607.746235][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.746235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.746235][ T73] ___sys_sendmsg+0xee/0x170 [ 607.746235][ T73] __sys_sendmsg+0xcd/0x170 [ 607.746235][ T73] do_syscall_64+0xc6/0x1e0 [ 607.746235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.746235][ T73] [ 607.747803][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 607.747803][ T73] neigh_parms_alloc+0x1e5/0x510 [ 607.747803][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 607.747803][ T73] ipv6_find_idev+0x102/0x170 [ 607.747803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.747803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.747803][ T73] netlink_rcv_skb+0x130/0x360 [ 607.747803][ T73] netlink_unicast+0x449/0x710 [ 607.747803][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.747803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.747803][ T73] ___sys_sendmsg+0xee/0x170 [ 607.747803][ T73] __sys_sendmsg+0xcd/0x170 [ 607.747803][ T73] do_syscall_64+0xc6/0x1e0 [ 607.747803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.747803][ T73] [ 607.749558][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 607.749865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.749865][ T73] dst_init+0x84/0x4a0 [ 607.749865][ T73] dst_alloc+0x97/0x150 [ 607.749865][ T73] ip6_dst_alloc+0x23/0x90 [ 607.749865][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 607.749865][ T73] ip6_pol_route+0x56f/0x840 [ 607.749865][ T73] fib6_rule_lookup+0x456/0x630 [ 607.749865][ T73] ip6_route_input+0x59c/0xa50 [ 607.749865][ T73] ipv6_rcv+0x397/0x810 [ 607.749865][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 607.749865][ T73] process_backlog+0x101/0x620 [ 607.749865][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 607.749865][ T73] net_rx_action+0x495/0xbe0 [ 607.749865][ T73] __do_softirq+0x1b5/0x7f6 [ 607.749865][ T73] [ 607.751521][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.751521][ T73] netdev_get_by_index+0x5e/0x80 [ 607.751521][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.751521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.751521][ T73] addrconf_f6i_alloc+0x265/0x560 [ 607.751521][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 607.751521][ T73] addrconf_join_anycast+0x1c0/0x220 [ 607.751521][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 607.751521][ T73] addrconf_dad_completed+0x12b/0xe20 [ 607.751521][ T73] addrconf_dad_begin+0x310/0x670 [ 607.751521][ T73] addrconf_dad_work+0x10b/0xab0 [ 607.751521][ T73] process_one_work+0x84d/0x18a0 [ 607.751521][ T73] worker_thread+0x587/0xd30 [ 607.751521][ T73] kthread+0x28a/0x350 [ 607.751521][ T73] ret_from_fork+0x31/0x70 [ 607.751521][ T73] ret_from_fork_asm+0x1a/0x30 [ 607.751521][ T73] [ 607.753452][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.753452][ T73] netdev_get_by_index+0x5e/0x80 [ 607.753452][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.753452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.753452][ T73] ip6_route_add+0x1c/0x140 [ 607.753452][ T73] addrconf_prefix_route+0x2a6/0x430 [ 607.753452][ T73] inet6_addr_add+0x4f8/0xa40 [ 607.753452][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.753452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.753452][ T73] netlink_rcv_skb+0x130/0x360 [ 607.753452][ T73] netlink_unicast+0x449/0x710 [ 607.753452][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.753452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.753452][ T73] ___sys_sendmsg+0xee/0x170 [ 607.753452][ T73] __sys_sendmsg+0xcd/0x170 [ 607.753452][ T73] do_syscall_64+0xc6/0x1e0 [ 607.753452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.753452][ T73] [ 607.755463][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.755463][ T73] netdev_get_by_index+0x5e/0x80 [ 607.755463][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.755463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.755463][ T73] addrconf_f6i_alloc+0x315/0x560 [ 607.755463][ T73] ipv6_add_addr+0x411/0x2000 [ 607.755463][ T73] inet6_addr_add+0x30e/0xa40 [ 607.755463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.755463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.755463][ T73] netlink_rcv_skb+0x130/0x360 [ 607.755463][ T73] netlink_unicast+0x449/0x710 [ 607.755463][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.755463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.755463][ T73] ___sys_sendmsg+0xee/0x170 [ 607.755463][ T73] __sys_sendmsg+0xcd/0x170 [ 607.755463][ T73] do_syscall_64+0xc6/0x1e0 [ 607.755463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.755463][ T73] [ 607.757481][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.757481][ T73] netdev_get_by_index+0x5e/0x80 [ 607.757481][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.757481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.757481][ T73] ip6_route_add+0x1c/0x140 [ 607.757481][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 607.757481][ T73] addrconf_add_dev+0xe2/0x170 [ 607.757481][ T73] inet6_addr_add+0x12f/0xa40 [ 607.757481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.757481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.757481][ T73] netlink_rcv_skb+0x130/0x360 [ 607.757481][ T73] netlink_unicast+0x449/0x710 [ 607.757481][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.757481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.757481][ T73] ___sys_sendmsg+0xee/0x170 [ 607.757481][ T73] __sys_sendmsg+0xcd/0x170 [ 607.757481][ T73] do_syscall_64+0xc6/0x1e0 [ 607.757481][ T73] [ 607.759472][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.759472][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 607.759472][ T73] ipv6_find_idev+0x102/0x170 [ 607.759472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.759472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.759472][ T73] netlink_rcv_skb+0x130/0x360 [ 607.759472][ T73] netlink_unicast+0x449/0x710 [ 607.759472][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.759472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.759472][ T73] ___sys_sendmsg+0xee/0x170 [ 607.759472][ T73] __sys_sendmsg+0xcd/0x170 [ 607.759472][ T73] do_syscall_64+0xc6/0x1e0 [ 607.759472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.759472][ T73] [ 607.761025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 607.761025][ T73] neigh_parms_alloc+0x1e5/0x510 [ 607.761025][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 607.761025][ T73] ipv6_find_idev+0x102/0x170 [ 607.761025][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.761025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.761025][ T73] netlink_rcv_skb+0x130/0x360 [ 607.761025][ T73] netlink_unicast+0x449/0x710 [ 607.761025][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.761025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.761025][ T73] ___sys_sendmsg+0xee/0x170 [ 607.761025][ T73] __sys_sendmsg+0xcd/0x170 [ 607.761025][ T73] do_syscall_64+0xc6/0x1e0 [ 607.761025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.761025][ T73] [ 607.762890][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 607.763167][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.763167][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 607.763167][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 607.763167][ T73] fib6_nh_init+0xa22/0x1580 [ 607.763167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.763167][ T73] ip6_route_add+0x1c/0x140 [ 607.763167][ T73] inet6_rtm_newroute+0x104/0x110 [ 607.763167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.763167][ T73] netlink_rcv_skb+0x130/0x360 [ 607.763167][ T73] netlink_unicast+0x449/0x710 [ 607.763167][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.763167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.763167][ T73] ___sys_sendmsg+0xee/0x170 [ 607.763167][ T73] __sys_sendmsg+0xcd/0x170 [ 607.763167][ T73] do_syscall_64+0xc6/0x1e0 [ 607.763167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.763167][ T73] [ 607.765305][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.765305][ T73] dst_init+0x84/0x4a0 [ 607.765305][ T73] dst_alloc+0x97/0x150 [ 607.765305][ T73] ip6_dst_alloc+0x23/0x90 [ 607.765305][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 607.765305][ T73] ip6_pol_route+0x56f/0x840 [ 607.765305][ T73] fib6_rule_lookup+0x456/0x630 [ 607.765305][ T73] ip6_route_input+0x59c/0xa50 [ 607.765305][ T73] ipv6_rcv+0x397/0x810 [ 607.765305][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 607.765305][ T73] process_backlog+0x101/0x620 [ 607.765305][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 607.765305][ T73] net_rx_action+0x495/0xbe0 [ 607.765305][ T73] __do_softirq+0x1b5/0x7f6 [ 607.765305][ T73] [ 607.767139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.767139][ T73] netdev_get_by_index+0x5e/0x80 [ 607.767139][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.767139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.767139][ T73] ip6_route_add+0x1c/0x140 [ 607.767139][ T73] addrconf_prefix_route+0x2a6/0x430 [ 607.767139][ T73] inet6_addr_add+0x4f8/0xa40 [ 607.767139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.767139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.767139][ T73] netlink_rcv_skb+0x130/0x360 [ 607.767139][ T73] netlink_unicast+0x449/0x710 [ 607.767139][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.767139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.767139][ T73] ___sys_sendmsg+0xee/0x170 [ 607.767139][ T73] __sys_sendmsg+0xcd/0x170 [ 607.767139][ T73] do_syscall_64+0xc6/0x1e0 [ 607.767139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.767139][ T73] [ 607.769462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.769462][ T73] netdev_get_by_index+0x5e/0x80 [ 607.769462][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.769462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.769462][ T73] addrconf_f6i_alloc+0x315/0x560 [ 607.769462][ T73] ipv6_add_addr+0x411/0x2000 [ 607.769462][ T73] inet6_addr_add+0x30e/0xa40 [ 607.769462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.769462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.769462][ T73] netlink_rcv_skb+0x130/0x360 [ 607.769462][ T73] netlink_unicast+0x449/0x710 [ 607.769462][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.769462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.769462][ T73] ___sys_sendmsg+0xee/0x170 [ 607.769462][ T73] __sys_sendmsg+0xcd/0x170 [ 607.769462][ T73] do_syscall_64+0xc6/0x1e0 [ 607.769462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.769462][ T73] [ 607.771719][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.771719][ T73] netdev_get_by_index+0x5e/0x80 [ 607.771719][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.771719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.771719][ T73] ip6_route_add+0x1c/0x140 [ 607.771719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 607.771719][ T73] addrconf_add_dev+0xe2/0x170 [ 607.771719][ T73] inet6_addr_add+0x12f/0xa40 [ 607.771719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.771719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.771719][ T73] netlink_rcv_skb+0x130/0x360 [ 607.771719][ T73] netlink_unicast+0x449/0x710 [ 607.771719][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.771719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.771719][ T73] ___sys_sendmsg+0xee/0x170 [ 607.771719][ T73] __sys_sendmsg+0xcd/0x170 [ 607.771719][ T73] do_syscall_64+0xc6/0x1e0 [ 607.771719][ T73] [ 607.773936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.773936][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 607.773936][ T73] ipv6_find_idev+0x102/0x170 [ 607.773936][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.773936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.773936][ T73] netlink_rcv_skb+0x130/0x360 [ 607.773936][ T73] netlink_unicast+0x449/0x710 [ 607.773936][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.773936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.773936][ T73] ___sys_sendmsg+0xee/0x170 [ 607.773936][ T73] __sys_sendmsg+0xcd/0x170 [ 607.773936][ T73] do_syscall_64+0xc6/0x1e0 [ 607.773936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.773936][ T73] [ 607.775605][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 607.775605][ T73] neigh_parms_alloc+0x1e5/0x510 [ 607.775605][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 607.775605][ T73] ipv6_find_idev+0x102/0x170 [ 607.775605][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.775605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.775605][ T73] netlink_rcv_skb+0x130/0x360 [ 607.775605][ T73] netlink_unicast+0x449/0x710 [ 607.775605][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.775605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.775605][ T73] ___sys_sendmsg+0xee/0x170 [ 607.775605][ T73] __sys_sendmsg+0xcd/0x170 [ 607.775605][ T73] do_syscall_64+0xc6/0x1e0 [ 607.775605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.775605][ T73] [ 607.777624][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 607.778342][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 607.778342][ T73] netdev_get_by_index+0x5e/0x80 [ 607.778342][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.778342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.778342][ T73] addrconf_f6i_alloc+0x265/0x560 [ 607.778342][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 607.778342][ T73] addrconf_join_anycast+0x1c0/0x220 [ 607.778342][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 607.778342][ T73] addrconf_dad_completed+0x12b/0xe20 [ 607.778342][ T73] addrconf_dad_begin+0x310/0x670 [ 607.778342][ T73] addrconf_dad_work+0x10b/0xab0 [ 607.778342][ T73] process_one_work+0x84d/0x18a0 [ 607.778342][ T73] worker_thread+0x587/0xd30 [ 607.778342][ T73] kthread+0x28a/0x350 [ 607.778342][ T73] ret_from_fork+0x31/0x70 [ 607.778342][ T73] ret_from_fork_asm+0x1a/0x30 [ 607.778342][ T73] [ 607.780269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 607.780269][ T73] netdev_get_by_index+0x5e/0x80 [ 607.780269][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.780269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.780269][ T73] ip6_route_add+0x1c/0x140 [ 607.780269][ T73] addrconf_prefix_route+0x2a6/0x430 [ 607.780269][ T73] inet6_addr_add+0x4f8/0xa40 [ 607.780269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.780269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.780269][ T73] netlink_rcv_skb+0x130/0x360 [ 607.780269][ T73] netlink_unicast+0x449/0x710 [ 607.780269][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.780269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.780269][ T73] ___sys_sendmsg+0xee/0x170 [ 607.780269][ T73] __sys_sendmsg+0xcd/0x170 [ 607.780269][ T73] do_syscall_64+0xc6/0x1e0 [ 607.780269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.780269][ T73] [ 607.782400][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 607.782400][ T73] netdev_get_by_index+0x5e/0x80 [ 607.782400][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.782400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.782400][ T73] addrconf_f6i_alloc+0x315/0x560 [ 607.782400][ T73] ipv6_add_addr+0x411/0x2000 [ 607.782400][ T73] inet6_addr_add+0x30e/0xa40 [ 607.782400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.782400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.782400][ T73] netlink_rcv_skb+0x130/0x360 [ 607.782400][ T73] netlink_unicast+0x449/0x710 [ 607.782400][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.782400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.782400][ T73] ___sys_sendmsg+0xee/0x170 [ 607.782400][ T73] __sys_sendmsg+0xcd/0x170 [ 607.782400][ T73] do_syscall_64+0xc6/0x1e0 [ 607.782400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.782400][ T73] [ 607.784655][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 607.784655][ T73] netdev_get_by_index+0x5e/0x80 [ 607.784655][ T73] fib6_nh_init+0x3d8/0x1580 [ 607.784655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 607.784655][ T73] ip6_route_add+0x1c/0x140 [ 607.784655][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 607.784655][ T73] addrconf_add_dev+0xe2/0x170 [ 607.784655][ T73] inet6_addr_add+0x12f/0xa40 [ 607.784655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 607.784655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.784655][ T73] netlink_rcv_skb+0x130/0x360 [ 607.784655][ T73] netlink_unicast+0x449/0x710 [ 607.784655][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.784655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.784655][ T73] ___sys_sendmsg+0xee/0x170 [ 607.784655][ T73] __sys_sendmsg+0xcd/0x170 [ 607.784655][ T73] do_syscall_64+0xc6/0x1e0 [ 607.784655][ T73] [ 607.786814][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 607.786814][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 607.786814][ T73] ipv6_find_idev+0x102/0x170 [ 607.786814][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.786814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.786814][ T73] netlink_rcv_skb+0x130/0x360 [ 607.786814][ T73] netlink_unicast+0x449/0x710 [ 607.786814][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.786814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.786814][ T73] ___sys_sendmsg+0xee/0x170 [ 607.786814][ T73] __sys_sendmsg+0xcd/0x170 [ 607.786814][ T73] do_syscall_64+0xc6/0x1e0 [ 607.786814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.786814][ T73] [ 607.788572][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 607.788572][ T73] neigh_parms_alloc+0x1e5/0x510 [ 607.788572][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 607.788572][ T73] ipv6_find_idev+0x102/0x170 [ 607.788572][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 607.788572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 607.788572][ T73] netlink_rcv_skb+0x130/0x360 [ 607.788572][ T73] netlink_unicast+0x449/0x710 [ 607.788572][ T73] netlink_sendmsg+0x723/0xbe0 [ 607.788572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 607.788572][ T73] ___sys_sendmsg+0xee/0x170 [ 607.788572][ T73] __sys_sendmsg+0xcd/0x170 [ 607.788572][ T73] do_syscall_64+0xc6/0x1e0 [ 607.788572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 607.788572][ T73] [ 615.718922][ T42] INFO: task modprobe:887 blocked for more than 368 seconds. [ 615.719281][ T42] Not tainted 6.8.0-virtme #1 [ 615.719400][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.719599][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 615.719881][ T42] Call Trace: [ 615.719978][ T42] [ 615.720050][ T42] __schedule+0x705/0x1ac0 [ 615.720186][ T42] ? __pfx___schedule+0x10/0x10 [ 615.720313][ T42] ? schedule+0x1a5/0x210 [ 615.720410][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.720540][ T42] ? mark_lock+0x38/0x3e0 [ 615.720637][ T42] ? do_raw_spin_lock+0x131/0x270 [ 615.720762][ T42] ? schedule+0x1a5/0x210 [ 615.720875][ T42] schedule+0xdf/0x210 [ 615.720972][ T42] schedule_preempt_disabled+0x15/0x30 [ 615.721095][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 615.721227][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 615.721383][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.721516][ T42] ? lock_acquire+0x1c1/0x220 [ 615.721638][ T42] ? register_pernet_subsys+0x1a/0x50 [ 615.721787][ T42] down_write+0x1c9/0x200 [ 615.721883][ T42] ? __pfx_down_write+0x10/0x10 [ 615.722008][ T42] ? __lock_release+0x103/0x460 [ 615.722129][ T42] ? __create_object+0x5e/0xb0 [ 615.722259][ T42] ? __pfx___lock_release+0x10/0x10 [ 615.722384][ T42] register_pernet_subsys+0x1a/0x50 [ 615.722507][ T42] tcf_register_action+0xa3/0x600 [ 615.722631][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 615.722805][ T42] do_one_initcall+0xc8/0x3f0 [ 615.722930][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 615.723059][ T42] ? __create_object+0x5e/0xb0 [ 615.723184][ T42] ? kasan_unpoison+0x27/0x60 [ 615.723314][ T42] do_init_module+0x233/0x740 [ 615.723447][ T42] load_module+0x16b5/0x2350 [ 615.723583][ T42] ? __pfx_load_module+0x10/0x10 [ 615.723704][ T42] ? kernel_read_file+0x3d2/0x520 [ 615.723841][ T42] ? kernel_read_file+0x300/0x520 [ 615.723969][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 615.724100][ T42] ? init_module_from_file+0xd2/0x130 [ 615.724221][ T42] init_module_from_file+0xd2/0x130 [ 615.724345][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 615.724496][ T42] ? __lock_release+0x103/0x460 [ 615.724620][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.724755][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.724887][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 615.725012][ T42] idempotent_init_module+0x342/0x620 [ 615.725137][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 615.725312][ T42] __x64_sys_finit_module+0xbe/0x130 [ 615.725440][ T42] do_syscall_64+0xc6/0x1e0 [ 615.725568][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.725722][ T42] RIP: 0033:0x7f929d278e5d [ 615.725858][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 615.726043][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 615.726224][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 615.726413][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 615.726596][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 615.726804][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 615.727004][ T42] [ 615.727101][ T42] [ 615.727101][ T42] Showing all locks held in the system: [ 615.727281][ T42] 2 locks held by kworker/u18:0/37: [ 615.727402][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.727667][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.727956][ T42] 1 lock held by khungtaskd/42: [ 615.728073][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 615.728295][ T42] 4 locks held by kworker/u16:1/73: [ 615.728413][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.728659][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.728881][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 615.729097][ T42] #3: ffffffff87f6da00 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4e/0x6e0 [ 615.729318][ T42] 1 lock held by modprobe/887: [ 615.729438][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 615.729681][ T42] [ 615.729741][ T42] ============================================= [ 615.729741][ T42] [ 617.790933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 617.791332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.791332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 617.791332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 617.791332][ T73] fib6_nh_init+0xa22/0x1580 [ 617.791332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.791332][ T73] ip6_route_add+0x1c/0x140 [ 617.791332][ T73] inet6_rtm_newroute+0x104/0x110 [ 617.791332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.791332][ T73] netlink_rcv_skb+0x130/0x360 [ 617.791332][ T73] netlink_unicast+0x449/0x710 [ 617.791332][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.791332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.791332][ T73] ___sys_sendmsg+0xee/0x170 [ 617.791332][ T73] __sys_sendmsg+0xcd/0x170 [ 617.791332][ T73] do_syscall_64+0xc6/0x1e0 [ 617.791332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.791332][ T73] [ 617.793221][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.793221][ T73] dst_init+0x84/0x4a0 [ 617.793221][ T73] dst_alloc+0x97/0x150 [ 617.793221][ T73] ip6_dst_alloc+0x23/0x90 [ 617.793221][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 617.793221][ T73] ip6_pol_route+0x56f/0x840 [ 617.793221][ T73] fib6_rule_lookup+0x456/0x630 [ 617.793221][ T73] ip6_route_input+0x59c/0xa50 [ 617.793221][ T73] ipv6_rcv+0x397/0x810 [ 617.793221][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 617.793221][ T73] process_backlog+0x101/0x620 [ 617.793221][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 617.793221][ T73] net_rx_action+0x495/0xbe0 [ 617.793221][ T73] __do_softirq+0x1b5/0x7f6 [ 617.793221][ T73] [ 617.794851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.794851][ T73] netdev_get_by_index+0x5e/0x80 [ 617.794851][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.794851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.794851][ T73] ip6_route_add+0x1c/0x140 [ 617.794851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 617.794851][ T73] inet6_addr_add+0x4f8/0xa40 [ 617.794851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.794851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.794851][ T73] netlink_rcv_skb+0x130/0x360 [ 617.794851][ T73] netlink_unicast+0x449/0x710 [ 617.794851][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.794851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.794851][ T73] ___sys_sendmsg+0xee/0x170 [ 617.794851][ T73] __sys_sendmsg+0xcd/0x170 [ 617.794851][ T73] do_syscall_64+0xc6/0x1e0 [ 617.794851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.794851][ T73] [ 617.796840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.796840][ T73] netdev_get_by_index+0x5e/0x80 [ 617.796840][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.796840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.796840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 617.796840][ T73] ipv6_add_addr+0x411/0x2000 [ 617.796840][ T73] inet6_addr_add+0x30e/0xa40 [ 617.796840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.796840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.796840][ T73] netlink_rcv_skb+0x130/0x360 [ 617.796840][ T73] netlink_unicast+0x449/0x710 [ 617.796840][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.796840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.796840][ T73] ___sys_sendmsg+0xee/0x170 [ 617.796840][ T73] __sys_sendmsg+0xcd/0x170 [ 617.796840][ T73] do_syscall_64+0xc6/0x1e0 [ 617.796840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.796840][ T73] [ 617.798869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.798869][ T73] netdev_get_by_index+0x5e/0x80 [ 617.798869][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.798869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.798869][ T73] ip6_route_add+0x1c/0x140 [ 617.798869][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 617.798869][ T73] addrconf_add_dev+0xe2/0x170 [ 617.798869][ T73] inet6_addr_add+0x12f/0xa40 [ 617.798869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.798869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.798869][ T73] netlink_rcv_skb+0x130/0x360 [ 617.798869][ T73] netlink_unicast+0x449/0x710 [ 617.798869][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.798869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.798869][ T73] ___sys_sendmsg+0xee/0x170 [ 617.798869][ T73] __sys_sendmsg+0xcd/0x170 [ 617.798869][ T73] do_syscall_64+0xc6/0x1e0 [ 617.798869][ T73] [ 617.800823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.800823][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 617.800823][ T73] ipv6_find_idev+0x102/0x170 [ 617.800823][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.800823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.800823][ T73] netlink_rcv_skb+0x130/0x360 [ 617.800823][ T73] netlink_unicast+0x449/0x710 [ 617.800823][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.800823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.800823][ T73] ___sys_sendmsg+0xee/0x170 [ 617.800823][ T73] __sys_sendmsg+0xcd/0x170 [ 617.800823][ T73] do_syscall_64+0xc6/0x1e0 [ 617.800823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.800823][ T73] [ 617.802347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 617.802347][ T73] neigh_parms_alloc+0x1e5/0x510 [ 617.802347][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 617.802347][ T73] ipv6_find_idev+0x102/0x170 [ 617.802347][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.802347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.802347][ T73] netlink_rcv_skb+0x130/0x360 [ 617.802347][ T73] netlink_unicast+0x449/0x710 [ 617.802347][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.802347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.802347][ T73] ___sys_sendmsg+0xee/0x170 [ 617.802347][ T73] __sys_sendmsg+0xcd/0x170 [ 617.802347][ T73] do_syscall_64+0xc6/0x1e0 [ 617.802347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.802347][ T73] [ 617.804034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 617.804299][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.804299][ T73] dst_init+0x84/0x4a0 [ 617.804299][ T73] dst_alloc+0x97/0x150 [ 617.804299][ T73] ip6_dst_alloc+0x23/0x90 [ 617.804299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 617.804299][ T73] ip6_pol_route+0x56f/0x840 [ 617.804299][ T73] fib6_rule_lookup+0x456/0x630 [ 617.804299][ T73] ip6_route_input+0x59c/0xa50 [ 617.804299][ T73] ipv6_rcv+0x397/0x810 [ 617.804299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 617.804299][ T73] process_backlog+0x101/0x620 [ 617.804299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 617.804299][ T73] net_rx_action+0x495/0xbe0 [ 617.804299][ T73] __do_softirq+0x1b5/0x7f6 [ 617.804299][ T73] [ 617.805933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.805933][ T73] netdev_get_by_index+0x5e/0x80 [ 617.805933][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.805933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.805933][ T73] addrconf_f6i_alloc+0x265/0x560 [ 617.805933][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 617.805933][ T73] addrconf_join_anycast+0x1c0/0x220 [ 617.805933][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 617.805933][ T73] addrconf_dad_completed+0x12b/0xe20 [ 617.805933][ T73] addrconf_dad_begin+0x310/0x670 [ 617.805933][ T73] addrconf_dad_work+0x10b/0xab0 [ 617.805933][ T73] process_one_work+0x84d/0x18a0 [ 617.805933][ T73] worker_thread+0x587/0xd30 [ 617.805933][ T73] kthread+0x28a/0x350 [ 617.805933][ T73] ret_from_fork+0x31/0x70 [ 617.805933][ T73] ret_from_fork_asm+0x1a/0x30 [ 617.805933][ T73] [ 617.807833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.807833][ T73] netdev_get_by_index+0x5e/0x80 [ 617.807833][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.807833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.807833][ T73] ip6_route_add+0x1c/0x140 [ 617.807833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 617.807833][ T73] inet6_addr_add+0x4f8/0xa40 [ 617.807833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.807833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.807833][ T73] netlink_rcv_skb+0x130/0x360 [ 617.807833][ T73] netlink_unicast+0x449/0x710 [ 617.807833][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.807833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.807833][ T73] ___sys_sendmsg+0xee/0x170 [ 617.807833][ T73] __sys_sendmsg+0xcd/0x170 [ 617.807833][ T73] do_syscall_64+0xc6/0x1e0 [ 617.807833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.807833][ T73] [ 617.809820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.809820][ T73] netdev_get_by_index+0x5e/0x80 [ 617.809820][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.809820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.809820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 617.809820][ T73] ipv6_add_addr+0x411/0x2000 [ 617.809820][ T73] inet6_addr_add+0x30e/0xa40 [ 617.809820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.809820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.809820][ T73] netlink_rcv_skb+0x130/0x360 [ 617.809820][ T73] netlink_unicast+0x449/0x710 [ 617.809820][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.809820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.809820][ T73] ___sys_sendmsg+0xee/0x170 [ 617.809820][ T73] __sys_sendmsg+0xcd/0x170 [ 617.809820][ T73] do_syscall_64+0xc6/0x1e0 [ 617.809820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.809820][ T73] [ 617.811801][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.811801][ T73] netdev_get_by_index+0x5e/0x80 [ 617.811801][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.811801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.811801][ T73] ip6_route_add+0x1c/0x140 [ 617.811801][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 617.811801][ T73] addrconf_add_dev+0xe2/0x170 [ 617.811801][ T73] inet6_addr_add+0x12f/0xa40 [ 617.811801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.811801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.811801][ T73] netlink_rcv_skb+0x130/0x360 [ 617.811801][ T73] netlink_unicast+0x449/0x710 [ 617.811801][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.811801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.811801][ T73] ___sys_sendmsg+0xee/0x170 [ 617.811801][ T73] __sys_sendmsg+0xcd/0x170 [ 617.811801][ T73] do_syscall_64+0xc6/0x1e0 [ 617.811801][ T73] [ 617.813765][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.813765][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 617.813765][ T73] ipv6_find_idev+0x102/0x170 [ 617.813765][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.813765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.813765][ T73] netlink_rcv_skb+0x130/0x360 [ 617.813765][ T73] netlink_unicast+0x449/0x710 [ 617.813765][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.813765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.813765][ T73] ___sys_sendmsg+0xee/0x170 [ 617.813765][ T73] __sys_sendmsg+0xcd/0x170 [ 617.813765][ T73] do_syscall_64+0xc6/0x1e0 [ 617.813765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.813765][ T73] [ 617.815352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 617.815352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 617.815352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 617.815352][ T73] ipv6_find_idev+0x102/0x170 [ 617.815352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.815352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.815352][ T73] netlink_rcv_skb+0x130/0x360 [ 617.815352][ T73] netlink_unicast+0x449/0x710 [ 617.815352][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.815352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.815352][ T73] ___sys_sendmsg+0xee/0x170 [ 617.815352][ T73] __sys_sendmsg+0xcd/0x170 [ 617.815352][ T73] do_syscall_64+0xc6/0x1e0 [ 617.815352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.815352][ T73] [ 617.817079][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 617.817343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.817343][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 617.817343][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 617.817343][ T73] fib6_nh_init+0xa22/0x1580 [ 617.817343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.817343][ T73] ip6_route_add+0x1c/0x140 [ 617.817343][ T73] inet6_rtm_newroute+0x104/0x110 [ 617.817343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.817343][ T73] netlink_rcv_skb+0x130/0x360 [ 617.817343][ T73] netlink_unicast+0x449/0x710 [ 617.817343][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.817343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.817343][ T73] ___sys_sendmsg+0xee/0x170 [ 617.817343][ T73] __sys_sendmsg+0xcd/0x170 [ 617.817343][ T73] do_syscall_64+0xc6/0x1e0 [ 617.817343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.817343][ T73] [ 617.819534][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.819534][ T73] dst_init+0x84/0x4a0 [ 617.819534][ T73] dst_alloc+0x97/0x150 [ 617.819534][ T73] ip6_dst_alloc+0x23/0x90 [ 617.819534][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 617.819534][ T73] ip6_pol_route+0x56f/0x840 [ 617.819534][ T73] fib6_rule_lookup+0x456/0x630 [ 617.819534][ T73] ip6_route_input+0x59c/0xa50 [ 617.819534][ T73] ipv6_rcv+0x397/0x810 [ 617.819534][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 617.819534][ T73] process_backlog+0x101/0x620 [ 617.819534][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 617.819534][ T73] net_rx_action+0x495/0xbe0 [ 617.819534][ T73] __do_softirq+0x1b5/0x7f6 [ 617.819534][ T73] [ 617.821347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.821347][ T73] netdev_get_by_index+0x5e/0x80 [ 617.821347][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.821347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.821347][ T73] ip6_route_add+0x1c/0x140 [ 617.821347][ T73] addrconf_prefix_route+0x2a6/0x430 [ 617.821347][ T73] inet6_addr_add+0x4f8/0xa40 [ 617.821347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.821347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.821347][ T73] netlink_rcv_skb+0x130/0x360 [ 617.821347][ T73] netlink_unicast+0x449/0x710 [ 617.821347][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.821347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.821347][ T73] ___sys_sendmsg+0xee/0x170 [ 617.821347][ T73] __sys_sendmsg+0xcd/0x170 [ 617.821347][ T73] do_syscall_64+0xc6/0x1e0 [ 617.821347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.821347][ T73] [ 617.823636][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.823636][ T73] netdev_get_by_index+0x5e/0x80 [ 617.823636][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.823636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.823636][ T73] addrconf_f6i_alloc+0x315/0x560 [ 617.823636][ T73] ipv6_add_addr+0x411/0x2000 [ 617.823636][ T73] inet6_addr_add+0x30e/0xa40 [ 617.823636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.823636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.823636][ T73] netlink_rcv_skb+0x130/0x360 [ 617.823636][ T73] netlink_unicast+0x449/0x710 [ 617.823636][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.823636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.823636][ T73] ___sys_sendmsg+0xee/0x170 [ 617.823636][ T73] __sys_sendmsg+0xcd/0x170 [ 617.823636][ T73] do_syscall_64+0xc6/0x1e0 [ 617.823636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.823636][ T73] [ 617.825866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.825866][ T73] netdev_get_by_index+0x5e/0x80 [ 617.825866][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.825866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.825866][ T73] ip6_route_add+0x1c/0x140 [ 617.825866][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 617.825866][ T73] addrconf_add_dev+0xe2/0x170 [ 617.825866][ T73] inet6_addr_add+0x12f/0xa40 [ 617.825866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.825866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.825866][ T73] netlink_rcv_skb+0x130/0x360 [ 617.825866][ T73] netlink_unicast+0x449/0x710 [ 617.825866][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.825866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.825866][ T73] ___sys_sendmsg+0xee/0x170 [ 617.825866][ T73] __sys_sendmsg+0xcd/0x170 [ 617.825866][ T73] do_syscall_64+0xc6/0x1e0 [ 617.825866][ T73] [ 617.828001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.828001][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 617.828001][ T73] ipv6_find_idev+0x102/0x170 [ 617.828001][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.828001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.828001][ T73] netlink_rcv_skb+0x130/0x360 [ 617.828001][ T73] netlink_unicast+0x449/0x710 [ 617.828001][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.828001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.828001][ T73] ___sys_sendmsg+0xee/0x170 [ 617.828001][ T73] __sys_sendmsg+0xcd/0x170 [ 617.828001][ T73] do_syscall_64+0xc6/0x1e0 [ 617.828001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.828001][ T73] [ 617.829790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 617.829790][ T73] neigh_parms_alloc+0x1e5/0x510 [ 617.829790][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 617.829790][ T73] ipv6_find_idev+0x102/0x170 [ 617.829790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.829790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.829790][ T73] netlink_rcv_skb+0x130/0x360 [ 617.829790][ T73] netlink_unicast+0x449/0x710 [ 617.829790][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.829790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.829790][ T73] ___sys_sendmsg+0xee/0x170 [ 617.829790][ T73] __sys_sendmsg+0xcd/0x170 [ 617.829790][ T73] do_syscall_64+0xc6/0x1e0 [ 617.829790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.829790][ T73] [ 617.831693][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 617.832403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 617.832403][ T73] netdev_get_by_index+0x5e/0x80 [ 617.832403][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.832403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.832403][ T73] addrconf_f6i_alloc+0x265/0x560 [ 617.832403][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 617.832403][ T73] addrconf_join_anycast+0x1c0/0x220 [ 617.832403][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 617.832403][ T73] addrconf_dad_completed+0x12b/0xe20 [ 617.832403][ T73] addrconf_dad_begin+0x310/0x670 [ 617.832403][ T73] addrconf_dad_work+0x10b/0xab0 [ 617.832403][ T73] process_one_work+0x84d/0x18a0 [ 617.832403][ T73] worker_thread+0x587/0xd30 [ 617.832403][ T73] kthread+0x28a/0x350 [ 617.832403][ T73] ret_from_fork+0x31/0x70 [ 617.832403][ T73] ret_from_fork_asm+0x1a/0x30 [ 617.832403][ T73] [ 617.834296][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 617.834296][ T73] netdev_get_by_index+0x5e/0x80 [ 617.834296][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.834296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.834296][ T73] ip6_route_add+0x1c/0x140 [ 617.834296][ T73] addrconf_prefix_route+0x2a6/0x430 [ 617.834296][ T73] inet6_addr_add+0x4f8/0xa40 [ 617.834296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.834296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.834296][ T73] netlink_rcv_skb+0x130/0x360 [ 617.834296][ T73] netlink_unicast+0x449/0x710 [ 617.834296][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.834296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.834296][ T73] ___sys_sendmsg+0xee/0x170 [ 617.834296][ T73] __sys_sendmsg+0xcd/0x170 [ 617.834296][ T73] do_syscall_64+0xc6/0x1e0 [ 617.834296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.834296][ T73] [ 617.836403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 617.836403][ T73] netdev_get_by_index+0x5e/0x80 [ 617.836403][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.836403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.836403][ T73] addrconf_f6i_alloc+0x315/0x560 [ 617.836403][ T73] ipv6_add_addr+0x411/0x2000 [ 617.836403][ T73] inet6_addr_add+0x30e/0xa40 [ 617.836403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.836403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.836403][ T73] netlink_rcv_skb+0x130/0x360 [ 617.836403][ T73] netlink_unicast+0x449/0x710 [ 617.836403][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.836403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.836403][ T73] ___sys_sendmsg+0xee/0x170 [ 617.836403][ T73] __sys_sendmsg+0xcd/0x170 [ 617.836403][ T73] do_syscall_64+0xc6/0x1e0 [ 617.836403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.836403][ T73] [ 617.838570][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 617.838570][ T73] netdev_get_by_index+0x5e/0x80 [ 617.838570][ T73] fib6_nh_init+0x3d8/0x1580 [ 617.838570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 617.838570][ T73] ip6_route_add+0x1c/0x140 [ 617.838570][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 617.838570][ T73] addrconf_add_dev+0xe2/0x170 [ 617.838570][ T73] inet6_addr_add+0x12f/0xa40 [ 617.838570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 617.838570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.838570][ T73] netlink_rcv_skb+0x130/0x360 [ 617.838570][ T73] netlink_unicast+0x449/0x710 [ 617.838570][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.838570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.838570][ T73] ___sys_sendmsg+0xee/0x170 [ 617.838570][ T73] __sys_sendmsg+0xcd/0x170 [ 617.838570][ T73] do_syscall_64+0xc6/0x1e0 [ 617.838570][ T73] [ 617.840768][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 617.840768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 617.840768][ T73] ipv6_find_idev+0x102/0x170 [ 617.840768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.840768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.840768][ T73] netlink_rcv_skb+0x130/0x360 [ 617.840768][ T73] netlink_unicast+0x449/0x710 [ 617.840768][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.840768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.840768][ T73] ___sys_sendmsg+0xee/0x170 [ 617.840768][ T73] __sys_sendmsg+0xcd/0x170 [ 617.840768][ T73] do_syscall_64+0xc6/0x1e0 [ 617.840768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.840768][ T73] [ 617.842534][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 617.842534][ T73] neigh_parms_alloc+0x1e5/0x510 [ 617.842534][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 617.842534][ T73] ipv6_find_idev+0x102/0x170 [ 617.842534][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 617.842534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 617.842534][ T73] netlink_rcv_skb+0x130/0x360 [ 617.842534][ T73] netlink_unicast+0x449/0x710 [ 617.842534][ T73] netlink_sendmsg+0x723/0xbe0 [ 617.842534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 617.842534][ T73] ___sys_sendmsg+0xee/0x170 [ 617.842534][ T73] __sys_sendmsg+0xcd/0x170 [ 617.842534][ T73] do_syscall_64+0xc6/0x1e0 [ 617.842534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 617.842534][ T73] [ 628.086856][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 628.087269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.087269][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 628.087269][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 628.087269][ T73] fib6_nh_init+0xa22/0x1580 [ 628.087269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.087269][ T73] ip6_route_add+0x1c/0x140 [ 628.087269][ T73] inet6_rtm_newroute+0x104/0x110 [ 628.087269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.087269][ T73] netlink_rcv_skb+0x130/0x360 [ 628.087269][ T73] netlink_unicast+0x449/0x710 [ 628.087269][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.087269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.087269][ T73] ___sys_sendmsg+0xee/0x170 [ 628.087269][ T73] __sys_sendmsg+0xcd/0x170 [ 628.087269][ T73] do_syscall_64+0xc6/0x1e0 [ 628.087269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.087269][ T73] [ 628.089217][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.089217][ T73] dst_init+0x84/0x4a0 [ 628.089217][ T73] dst_alloc+0x97/0x150 [ 628.089217][ T73] ip6_dst_alloc+0x23/0x90 [ 628.089217][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 628.089217][ T73] ip6_pol_route+0x56f/0x840 [ 628.089217][ T73] fib6_rule_lookup+0x456/0x630 [ 628.089217][ T73] ip6_route_input+0x59c/0xa50 [ 628.089217][ T73] ipv6_rcv+0x397/0x810 [ 628.089217][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 628.089217][ T73] process_backlog+0x101/0x620 [ 628.089217][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 628.089217][ T73] net_rx_action+0x495/0xbe0 [ 628.089217][ T73] __do_softirq+0x1b5/0x7f6 [ 628.089217][ T73] [ 628.090879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.090879][ T73] netdev_get_by_index+0x5e/0x80 [ 628.090879][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.090879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.090879][ T73] ip6_route_add+0x1c/0x140 [ 628.090879][ T73] addrconf_prefix_route+0x2a6/0x430 [ 628.090879][ T73] inet6_addr_add+0x4f8/0xa40 [ 628.090879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.090879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.090879][ T73] netlink_rcv_skb+0x130/0x360 [ 628.090879][ T73] netlink_unicast+0x449/0x710 [ 628.090879][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.090879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.090879][ T73] ___sys_sendmsg+0xee/0x170 [ 628.090879][ T73] __sys_sendmsg+0xcd/0x170 [ 628.090879][ T73] do_syscall_64+0xc6/0x1e0 [ 628.090879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.090879][ T73] [ 628.092904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.092904][ T73] netdev_get_by_index+0x5e/0x80 [ 628.092904][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.092904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.092904][ T73] addrconf_f6i_alloc+0x315/0x560 [ 628.092904][ T73] ipv6_add_addr+0x411/0x2000 [ 628.092904][ T73] inet6_addr_add+0x30e/0xa40 [ 628.092904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.092904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.092904][ T73] netlink_rcv_skb+0x130/0x360 [ 628.092904][ T73] netlink_unicast+0x449/0x710 [ 628.092904][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.092904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.092904][ T73] ___sys_sendmsg+0xee/0x170 [ 628.092904][ T73] __sys_sendmsg+0xcd/0x170 [ 628.092904][ T73] do_syscall_64+0xc6/0x1e0 [ 628.092904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.092904][ T73] [ 628.094934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.094934][ T73] netdev_get_by_index+0x5e/0x80 [ 628.094934][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.094934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.094934][ T73] ip6_route_add+0x1c/0x140 [ 628.094934][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 628.094934][ T73] addrconf_add_dev+0xe2/0x170 [ 628.094934][ T73] inet6_addr_add+0x12f/0xa40 [ 628.094934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.094934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.094934][ T73] netlink_rcv_skb+0x130/0x360 [ 628.094934][ T73] netlink_unicast+0x449/0x710 [ 628.094934][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.094934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.094934][ T73] ___sys_sendmsg+0xee/0x170 [ 628.094934][ T73] __sys_sendmsg+0xcd/0x170 [ 628.094934][ T73] do_syscall_64+0xc6/0x1e0 [ 628.094934][ T73] [ 628.096919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.096919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 628.096919][ T73] ipv6_find_idev+0x102/0x170 [ 628.096919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.096919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.096919][ T73] netlink_rcv_skb+0x130/0x360 [ 628.096919][ T73] netlink_unicast+0x449/0x710 [ 628.096919][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.096919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.096919][ T73] ___sys_sendmsg+0xee/0x170 [ 628.096919][ T73] __sys_sendmsg+0xcd/0x170 [ 628.096919][ T73] do_syscall_64+0xc6/0x1e0 [ 628.096919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.096919][ T73] [ 628.098477][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 628.098477][ T73] neigh_parms_alloc+0x1e5/0x510 [ 628.098477][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 628.098477][ T73] ipv6_find_idev+0x102/0x170 [ 628.098477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.098477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.098477][ T73] netlink_rcv_skb+0x130/0x360 [ 628.098477][ T73] netlink_unicast+0x449/0x710 [ 628.098477][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.098477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.098477][ T73] ___sys_sendmsg+0xee/0x170 [ 628.098477][ T73] __sys_sendmsg+0xcd/0x170 [ 628.098477][ T73] do_syscall_64+0xc6/0x1e0 [ 628.098477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.098477][ T73] [ 628.100194][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 628.100472][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.100472][ T73] dst_init+0x84/0x4a0 [ 628.100472][ T73] dst_alloc+0x97/0x150 [ 628.100472][ T73] ip6_dst_alloc+0x23/0x90 [ 628.100472][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 628.100472][ T73] ip6_pol_route+0x56f/0x840 [ 628.100472][ T73] fib6_rule_lookup+0x456/0x630 [ 628.100472][ T73] ip6_route_input+0x59c/0xa50 [ 628.100472][ T73] ipv6_rcv+0x397/0x810 [ 628.100472][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 628.100472][ T73] process_backlog+0x101/0x620 [ 628.100472][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 628.100472][ T73] net_rx_action+0x495/0xbe0 [ 628.100472][ T73] __do_softirq+0x1b5/0x7f6 [ 628.100472][ T73] [ 628.102120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.102120][ T73] netdev_get_by_index+0x5e/0x80 [ 628.102120][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.102120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.102120][ T73] addrconf_f6i_alloc+0x265/0x560 [ 628.102120][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 628.102120][ T73] addrconf_join_anycast+0x1c0/0x220 [ 628.102120][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 628.102120][ T73] addrconf_dad_completed+0x12b/0xe20 [ 628.102120][ T73] addrconf_dad_begin+0x310/0x670 [ 628.102120][ T73] addrconf_dad_work+0x10b/0xab0 [ 628.102120][ T73] process_one_work+0x84d/0x18a0 [ 628.102120][ T73] worker_thread+0x587/0xd30 [ 628.102120][ T73] kthread+0x28a/0x350 [ 628.102120][ T73] ret_from_fork+0x31/0x70 [ 628.102120][ T73] ret_from_fork_asm+0x1a/0x30 [ 628.102120][ T73] [ 628.104060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.104060][ T73] netdev_get_by_index+0x5e/0x80 [ 628.104060][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.104060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.104060][ T73] ip6_route_add+0x1c/0x140 [ 628.104060][ T73] addrconf_prefix_route+0x2a6/0x430 [ 628.104060][ T73] inet6_addr_add+0x4f8/0xa40 [ 628.104060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.104060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.104060][ T73] netlink_rcv_skb+0x130/0x360 [ 628.104060][ T73] netlink_unicast+0x449/0x710 [ 628.104060][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.104060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.104060][ T73] ___sys_sendmsg+0xee/0x170 [ 628.104060][ T73] __sys_sendmsg+0xcd/0x170 [ 628.104060][ T73] do_syscall_64+0xc6/0x1e0 [ 628.104060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.104060][ T73] [ 628.106067][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.106067][ T73] netdev_get_by_index+0x5e/0x80 [ 628.106067][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.106067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.106067][ T73] addrconf_f6i_alloc+0x315/0x560 [ 628.106067][ T73] ipv6_add_addr+0x411/0x2000 [ 628.106067][ T73] inet6_addr_add+0x30e/0xa40 [ 628.106067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.106067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.106067][ T73] netlink_rcv_skb+0x130/0x360 [ 628.106067][ T73] netlink_unicast+0x449/0x710 [ 628.106067][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.106067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.106067][ T73] ___sys_sendmsg+0xee/0x170 [ 628.106067][ T73] __sys_sendmsg+0xcd/0x170 [ 628.106067][ T73] do_syscall_64+0xc6/0x1e0 [ 628.106067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.106067][ T73] [ 628.108108][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.108108][ T73] netdev_get_by_index+0x5e/0x80 [ 628.108108][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.108108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.108108][ T73] ip6_route_add+0x1c/0x140 [ 628.108108][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 628.108108][ T73] addrconf_add_dev+0xe2/0x170 [ 628.108108][ T73] inet6_addr_add+0x12f/0xa40 [ 628.108108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.108108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.108108][ T73] netlink_rcv_skb+0x130/0x360 [ 628.108108][ T73] netlink_unicast+0x449/0x710 [ 628.108108][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.108108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.108108][ T73] ___sys_sendmsg+0xee/0x170 [ 628.108108][ T73] __sys_sendmsg+0xcd/0x170 [ 628.108108][ T73] do_syscall_64+0xc6/0x1e0 [ 628.108108][ T73] [ 628.110081][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.110081][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 628.110081][ T73] ipv6_find_idev+0x102/0x170 [ 628.110081][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.110081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.110081][ T73] netlink_rcv_skb+0x130/0x360 [ 628.110081][ T73] netlink_unicast+0x449/0x710 [ 628.110081][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.110081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.110081][ T73] ___sys_sendmsg+0xee/0x170 [ 628.110081][ T73] __sys_sendmsg+0xcd/0x170 [ 628.110081][ T73] do_syscall_64+0xc6/0x1e0 [ 628.110081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.110081][ T73] [ 628.111629][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 628.111629][ T73] neigh_parms_alloc+0x1e5/0x510 [ 628.111629][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 628.111629][ T73] ipv6_find_idev+0x102/0x170 [ 628.111629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.111629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.111629][ T73] netlink_rcv_skb+0x130/0x360 [ 628.111629][ T73] netlink_unicast+0x449/0x710 [ 628.111629][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.111629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.111629][ T73] ___sys_sendmsg+0xee/0x170 [ 628.111629][ T73] __sys_sendmsg+0xcd/0x170 [ 628.111629][ T73] do_syscall_64+0xc6/0x1e0 [ 628.111629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.111629][ T73] [ 628.113403][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 628.113680][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.113680][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 628.113680][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 628.113680][ T73] fib6_nh_init+0xa22/0x1580 [ 628.113680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.113680][ T73] ip6_route_add+0x1c/0x140 [ 628.113680][ T73] inet6_rtm_newroute+0x104/0x110 [ 628.113680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.113680][ T73] netlink_rcv_skb+0x130/0x360 [ 628.113680][ T73] netlink_unicast+0x449/0x710 [ 628.113680][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.113680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.113680][ T73] ___sys_sendmsg+0xee/0x170 [ 628.113680][ T73] __sys_sendmsg+0xcd/0x170 [ 628.113680][ T73] do_syscall_64+0xc6/0x1e0 [ 628.113680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.113680][ T73] [ 628.115722][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.115722][ T73] dst_init+0x84/0x4a0 [ 628.115722][ T73] dst_alloc+0x97/0x150 [ 628.115722][ T73] ip6_dst_alloc+0x23/0x90 [ 628.115722][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 628.115722][ T73] ip6_pol_route+0x56f/0x840 [ 628.115722][ T73] fib6_rule_lookup+0x456/0x630 [ 628.115722][ T73] ip6_route_input+0x59c/0xa50 [ 628.115722][ T73] ipv6_rcv+0x397/0x810 [ 628.115722][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 628.115722][ T73] process_backlog+0x101/0x620 [ 628.115722][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 628.115722][ T73] net_rx_action+0x495/0xbe0 [ 628.115722][ T73] __do_softirq+0x1b5/0x7f6 [ 628.115722][ T73] [ 628.117573][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.117573][ T73] netdev_get_by_index+0x5e/0x80 [ 628.117573][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.117573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.117573][ T73] ip6_route_add+0x1c/0x140 [ 628.117573][ T73] addrconf_prefix_route+0x2a6/0x430 [ 628.117573][ T73] inet6_addr_add+0x4f8/0xa40 [ 628.117573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.117573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.117573][ T73] netlink_rcv_skb+0x130/0x360 [ 628.117573][ T73] netlink_unicast+0x449/0x710 [ 628.117573][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.117573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.117573][ T73] ___sys_sendmsg+0xee/0x170 [ 628.117573][ T73] __sys_sendmsg+0xcd/0x170 [ 628.117573][ T73] do_syscall_64+0xc6/0x1e0 [ 628.117573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.117573][ T73] [ 628.119890][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.119890][ T73] netdev_get_by_index+0x5e/0x80 [ 628.119890][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.119890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.119890][ T73] addrconf_f6i_alloc+0x315/0x560 [ 628.119890][ T73] ipv6_add_addr+0x411/0x2000 [ 628.119890][ T73] inet6_addr_add+0x30e/0xa40 [ 628.119890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.119890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.119890][ T73] netlink_rcv_skb+0x130/0x360 [ 628.119890][ T73] netlink_unicast+0x449/0x710 [ 628.119890][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.119890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.119890][ T73] ___sys_sendmsg+0xee/0x170 [ 628.119890][ T73] __sys_sendmsg+0xcd/0x170 [ 628.119890][ T73] do_syscall_64+0xc6/0x1e0 [ 628.119890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.119890][ T73] [ 628.122163][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.122163][ T73] netdev_get_by_index+0x5e/0x80 [ 628.122163][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.122163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.122163][ T73] ip6_route_add+0x1c/0x140 [ 628.122163][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 628.122163][ T73] addrconf_add_dev+0xe2/0x170 [ 628.122163][ T73] inet6_addr_add+0x12f/0xa40 [ 628.122163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.122163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.122163][ T73] netlink_rcv_skb+0x130/0x360 [ 628.122163][ T73] netlink_unicast+0x449/0x710 [ 628.122163][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.122163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.122163][ T73] ___sys_sendmsg+0xee/0x170 [ 628.122163][ T73] __sys_sendmsg+0xcd/0x170 [ 628.122163][ T73] do_syscall_64+0xc6/0x1e0 [ 628.122163][ T73] [ 628.124416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.124416][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 628.124416][ T73] ipv6_find_idev+0x102/0x170 [ 628.124416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.124416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.124416][ T73] netlink_rcv_skb+0x130/0x360 [ 628.124416][ T73] netlink_unicast+0x449/0x710 [ 628.124416][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.124416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.124416][ T73] ___sys_sendmsg+0xee/0x170 [ 628.124416][ T73] __sys_sendmsg+0xcd/0x170 [ 628.124416][ T73] do_syscall_64+0xc6/0x1e0 [ 628.124416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.124416][ T73] [ 628.126222][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 628.126222][ T73] neigh_parms_alloc+0x1e5/0x510 [ 628.126222][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 628.126222][ T73] ipv6_find_idev+0x102/0x170 [ 628.126222][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.126222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.126222][ T73] netlink_rcv_skb+0x130/0x360 [ 628.126222][ T73] netlink_unicast+0x449/0x710 [ 628.126222][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.126222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.126222][ T73] ___sys_sendmsg+0xee/0x170 [ 628.126222][ T73] __sys_sendmsg+0xcd/0x170 [ 628.126222][ T73] do_syscall_64+0xc6/0x1e0 [ 628.126222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.126222][ T73] [ 628.128153][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 628.128444][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 628.128444][ T73] netdev_get_by_index+0x5e/0x80 [ 628.128444][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.128444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.128444][ T73] addrconf_f6i_alloc+0x265/0x560 [ 628.128444][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 628.128444][ T73] addrconf_join_anycast+0x1c0/0x220 [ 628.128444][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 628.128444][ T73] addrconf_dad_completed+0x12b/0xe20 [ 628.128444][ T73] addrconf_dad_begin+0x310/0x670 [ 628.128444][ T73] addrconf_dad_work+0x10b/0xab0 [ 628.128444][ T73] process_one_work+0x84d/0x18a0 [ 628.128444][ T73] worker_thread+0x587/0xd30 [ 628.128444][ T73] kthread+0x28a/0x350 [ 628.128444][ T73] ret_from_fork+0x31/0x70 [ 628.128444][ T73] ret_from_fork_asm+0x1a/0x30 [ 628.128444][ T73] [ 628.130660][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 628.130660][ T73] netdev_get_by_index+0x5e/0x80 [ 628.130660][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.130660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.130660][ T73] ip6_route_add+0x1c/0x140 [ 628.130660][ T73] addrconf_prefix_route+0x2a6/0x430 [ 628.130660][ T73] inet6_addr_add+0x4f8/0xa40 [ 628.130660][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.130660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.130660][ T73] netlink_rcv_skb+0x130/0x360 [ 628.130660][ T73] netlink_unicast+0x449/0x710 [ 628.130660][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.130660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.130660][ T73] ___sys_sendmsg+0xee/0x170 [ 628.130660][ T73] __sys_sendmsg+0xcd/0x170 [ 628.130660][ T73] do_syscall_64+0xc6/0x1e0 [ 628.130660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.130660][ T73] [ 628.132970][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 628.132970][ T73] netdev_get_by_index+0x5e/0x80 [ 628.132970][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.132970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.132970][ T73] addrconf_f6i_alloc+0x315/0x560 [ 628.132970][ T73] ipv6_add_addr+0x411/0x2000 [ 628.132970][ T73] inet6_addr_add+0x30e/0xa40 [ 628.132970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.132970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.132970][ T73] netlink_rcv_skb+0x130/0x360 [ 628.132970][ T73] netlink_unicast+0x449/0x710 [ 628.132970][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.132970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.132970][ T73] ___sys_sendmsg+0xee/0x170 [ 628.132970][ T73] __sys_sendmsg+0xcd/0x170 [ 628.132970][ T73] do_syscall_64+0xc6/0x1e0 [ 628.132970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.132970][ T73] [ 628.135294][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 628.135294][ T73] netdev_get_by_index+0x5e/0x80 [ 628.135294][ T73] fib6_nh_init+0x3d8/0x1580 [ 628.135294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 628.135294][ T73] ip6_route_add+0x1c/0x140 [ 628.135294][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 628.135294][ T73] addrconf_add_dev+0xe2/0x170 [ 628.135294][ T73] inet6_addr_add+0x12f/0xa40 [ 628.135294][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 628.135294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.135294][ T73] netlink_rcv_skb+0x130/0x360 [ 628.135294][ T73] netlink_unicast+0x449/0x710 [ 628.135294][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.135294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.135294][ T73] ___sys_sendmsg+0xee/0x170 [ 628.135294][ T73] __sys_sendmsg+0xcd/0x170 [ 628.135294][ T73] do_syscall_64+0xc6/0x1e0 [ 628.135294][ T73] [ 628.137580][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 628.137580][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 628.137580][ T73] ipv6_find_idev+0x102/0x170 [ 628.137580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.137580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.137580][ T73] netlink_rcv_skb+0x130/0x360 [ 628.137580][ T73] netlink_unicast+0x449/0x710 [ 628.137580][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.137580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.137580][ T73] ___sys_sendmsg+0xee/0x170 [ 628.137580][ T73] __sys_sendmsg+0xcd/0x170 [ 628.137580][ T73] do_syscall_64+0xc6/0x1e0 [ 628.137580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.137580][ T73] [ 628.139338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 628.139338][ T73] neigh_parms_alloc+0x1e5/0x510 [ 628.139338][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 628.139338][ T73] ipv6_find_idev+0x102/0x170 [ 628.139338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 628.139338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 628.139338][ T73] netlink_rcv_skb+0x130/0x360 [ 628.139338][ T73] netlink_unicast+0x449/0x710 [ 628.139338][ T73] netlink_sendmsg+0x723/0xbe0 [ 628.139338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 628.139338][ T73] ___sys_sendmsg+0xee/0x170 [ 628.139338][ T73] __sys_sendmsg+0xcd/0x170 [ 628.139338][ T73] do_syscall_64+0xc6/0x1e0 [ 628.139338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 628.139338][ T73] [ 638.262931][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 638.263327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.263327][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 638.263327][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 638.263327][ T73] fib6_nh_init+0xa22/0x1580 [ 638.263327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.263327][ T73] ip6_route_add+0x1c/0x140 [ 638.263327][ T73] inet6_rtm_newroute+0x104/0x110 [ 638.263327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.263327][ T73] netlink_rcv_skb+0x130/0x360 [ 638.263327][ T73] netlink_unicast+0x449/0x710 [ 638.263327][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.263327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.263327][ T73] ___sys_sendmsg+0xee/0x170 [ 638.263327][ T73] __sys_sendmsg+0xcd/0x170 [ 638.263327][ T73] do_syscall_64+0xc6/0x1e0 [ 638.263327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.263327][ T73] [ 638.265228][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.265228][ T73] dst_init+0x84/0x4a0 [ 638.265228][ T73] dst_alloc+0x97/0x150 [ 638.265228][ T73] ip6_dst_alloc+0x23/0x90 [ 638.265228][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 638.265228][ T73] ip6_pol_route+0x56f/0x840 [ 638.265228][ T73] fib6_rule_lookup+0x456/0x630 [ 638.265228][ T73] ip6_route_input+0x59c/0xa50 [ 638.265228][ T73] ipv6_rcv+0x397/0x810 [ 638.265228][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 638.265228][ T73] process_backlog+0x101/0x620 [ 638.265228][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 638.265228][ T73] net_rx_action+0x495/0xbe0 [ 638.265228][ T73] __do_softirq+0x1b5/0x7f6 [ 638.265228][ T73] [ 638.266858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.266858][ T73] netdev_get_by_index+0x5e/0x80 [ 638.266858][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.266858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.266858][ T73] ip6_route_add+0x1c/0x140 [ 638.266858][ T73] addrconf_prefix_route+0x2a6/0x430 [ 638.266858][ T73] inet6_addr_add+0x4f8/0xa40 [ 638.266858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.266858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.266858][ T73] netlink_rcv_skb+0x130/0x360 [ 638.266858][ T73] netlink_unicast+0x449/0x710 [ 638.266858][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.266858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.266858][ T73] ___sys_sendmsg+0xee/0x170 [ 638.266858][ T73] __sys_sendmsg+0xcd/0x170 [ 638.266858][ T73] do_syscall_64+0xc6/0x1e0 [ 638.266858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.266858][ T73] [ 638.268859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.268859][ T73] netdev_get_by_index+0x5e/0x80 [ 638.268859][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.268859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.268859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 638.268859][ T73] ipv6_add_addr+0x411/0x2000 [ 638.268859][ T73] inet6_addr_add+0x30e/0xa40 [ 638.268859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.268859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.268859][ T73] netlink_rcv_skb+0x130/0x360 [ 638.268859][ T73] netlink_unicast+0x449/0x710 [ 638.268859][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.268859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.268859][ T73] ___sys_sendmsg+0xee/0x170 [ 638.268859][ T73] __sys_sendmsg+0xcd/0x170 [ 638.268859][ T73] do_syscall_64+0xc6/0x1e0 [ 638.268859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.268859][ T73] [ 638.270843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.270843][ T73] netdev_get_by_index+0x5e/0x80 [ 638.270843][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.270843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.270843][ T73] ip6_route_add+0x1c/0x140 [ 638.270843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 638.270843][ T73] addrconf_add_dev+0xe2/0x170 [ 638.270843][ T73] inet6_addr_add+0x12f/0xa40 [ 638.270843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.270843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.270843][ T73] netlink_rcv_skb+0x130/0x360 [ 638.270843][ T73] netlink_unicast+0x449/0x710 [ 638.270843][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.270843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.270843][ T73] ___sys_sendmsg+0xee/0x170 [ 638.270843][ T73] __sys_sendmsg+0xcd/0x170 [ 638.270843][ T73] do_syscall_64+0xc6/0x1e0 [ 638.270843][ T73] [ 638.272796][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.272796][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 638.272796][ T73] ipv6_find_idev+0x102/0x170 [ 638.272796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.272796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.272796][ T73] netlink_rcv_skb+0x130/0x360 [ 638.272796][ T73] netlink_unicast+0x449/0x710 [ 638.272796][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.272796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.272796][ T73] ___sys_sendmsg+0xee/0x170 [ 638.272796][ T73] __sys_sendmsg+0xcd/0x170 [ 638.272796][ T73] do_syscall_64+0xc6/0x1e0 [ 638.272796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.272796][ T73] [ 638.274321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 638.274321][ T73] neigh_parms_alloc+0x1e5/0x510 [ 638.274321][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 638.274321][ T73] ipv6_find_idev+0x102/0x170 [ 638.274321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.274321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.274321][ T73] netlink_rcv_skb+0x130/0x360 [ 638.274321][ T73] netlink_unicast+0x449/0x710 [ 638.274321][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.274321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.274321][ T73] ___sys_sendmsg+0xee/0x170 [ 638.274321][ T73] __sys_sendmsg+0xcd/0x170 [ 638.274321][ T73] do_syscall_64+0xc6/0x1e0 [ 638.274321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.274321][ T73] [ 638.276001][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 638.276271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.276271][ T73] dst_init+0x84/0x4a0 [ 638.276271][ T73] dst_alloc+0x97/0x150 [ 638.276271][ T73] ip6_dst_alloc+0x23/0x90 [ 638.276271][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 638.276271][ T73] ip6_pol_route+0x56f/0x840 [ 638.276271][ T73] fib6_rule_lookup+0x456/0x630 [ 638.276271][ T73] ip6_route_input+0x59c/0xa50 [ 638.276271][ T73] ipv6_rcv+0x397/0x810 [ 638.276271][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 638.276271][ T73] process_backlog+0x101/0x620 [ 638.276271][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 638.276271][ T73] net_rx_action+0x495/0xbe0 [ 638.276271][ T73] __do_softirq+0x1b5/0x7f6 [ 638.276271][ T73] [ 638.277911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.277911][ T73] netdev_get_by_index+0x5e/0x80 [ 638.277911][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.277911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.277911][ T73] addrconf_f6i_alloc+0x265/0x560 [ 638.277911][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 638.277911][ T73] addrconf_join_anycast+0x1c0/0x220 [ 638.277911][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 638.277911][ T73] addrconf_dad_completed+0x12b/0xe20 [ 638.277911][ T73] addrconf_dad_begin+0x310/0x670 [ 638.277911][ T73] addrconf_dad_work+0x10b/0xab0 [ 638.277911][ T73] process_one_work+0x84d/0x18a0 [ 638.277911][ T73] worker_thread+0x587/0xd30 [ 638.277911][ T73] kthread+0x28a/0x350 [ 638.277911][ T73] ret_from_fork+0x31/0x70 [ 638.277911][ T73] ret_from_fork_asm+0x1a/0x30 [ 638.277911][ T73] [ 638.279810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.279810][ T73] netdev_get_by_index+0x5e/0x80 [ 638.279810][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.279810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.279810][ T73] ip6_route_add+0x1c/0x140 [ 638.279810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 638.279810][ T73] inet6_addr_add+0x4f8/0xa40 [ 638.279810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.279810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.279810][ T73] netlink_rcv_skb+0x130/0x360 [ 638.279810][ T73] netlink_unicast+0x449/0x710 [ 638.279810][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.279810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.279810][ T73] ___sys_sendmsg+0xee/0x170 [ 638.279810][ T73] __sys_sendmsg+0xcd/0x170 [ 638.279810][ T73] do_syscall_64+0xc6/0x1e0 [ 638.279810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.279810][ T73] [ 638.281791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.281791][ T73] netdev_get_by_index+0x5e/0x80 [ 638.281791][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.281791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.281791][ T73] addrconf_f6i_alloc+0x315/0x560 [ 638.281791][ T73] ipv6_add_addr+0x411/0x2000 [ 638.281791][ T73] inet6_addr_add+0x30e/0xa40 [ 638.281791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.281791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.281791][ T73] netlink_rcv_skb+0x130/0x360 [ 638.281791][ T73] netlink_unicast+0x449/0x710 [ 638.281791][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.281791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.281791][ T73] ___sys_sendmsg+0xee/0x170 [ 638.281791][ T73] __sys_sendmsg+0xcd/0x170 [ 638.281791][ T73] do_syscall_64+0xc6/0x1e0 [ 638.281791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.281791][ T73] [ 638.283789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.283789][ T73] netdev_get_by_index+0x5e/0x80 [ 638.283789][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.283789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.283789][ T73] ip6_route_add+0x1c/0x140 [ 638.283789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 638.283789][ T73] addrconf_add_dev+0xe2/0x170 [ 638.283789][ T73] inet6_addr_add+0x12f/0xa40 [ 638.283789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.283789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.283789][ T73] netlink_rcv_skb+0x130/0x360 [ 638.283789][ T73] netlink_unicast+0x449/0x710 [ 638.283789][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.283789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.283789][ T73] ___sys_sendmsg+0xee/0x170 [ 638.283789][ T73] __sys_sendmsg+0xcd/0x170 [ 638.283789][ T73] do_syscall_64+0xc6/0x1e0 [ 638.283789][ T73] [ 638.285734][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.285734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 638.285734][ T73] ipv6_find_idev+0x102/0x170 [ 638.285734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.285734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.285734][ T73] netlink_rcv_skb+0x130/0x360 [ 638.285734][ T73] netlink_unicast+0x449/0x710 [ 638.285734][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.285734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.285734][ T73] ___sys_sendmsg+0xee/0x170 [ 638.285734][ T73] __sys_sendmsg+0xcd/0x170 [ 638.285734][ T73] do_syscall_64+0xc6/0x1e0 [ 638.285734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.285734][ T73] [ 638.287256][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 638.287256][ T73] neigh_parms_alloc+0x1e5/0x510 [ 638.287256][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 638.287256][ T73] ipv6_find_idev+0x102/0x170 [ 638.287256][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.287256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.287256][ T73] netlink_rcv_skb+0x130/0x360 [ 638.287256][ T73] netlink_unicast+0x449/0x710 [ 638.287256][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.287256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.287256][ T73] ___sys_sendmsg+0xee/0x170 [ 638.287256][ T73] __sys_sendmsg+0xcd/0x170 [ 638.287256][ T73] do_syscall_64+0xc6/0x1e0 [ 638.287256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.287256][ T73] [ 638.289056][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 638.289318][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.289318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 638.289318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 638.289318][ T73] fib6_nh_init+0xa22/0x1580 [ 638.289318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.289318][ T73] ip6_route_add+0x1c/0x140 [ 638.289318][ T73] inet6_rtm_newroute+0x104/0x110 [ 638.289318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.289318][ T73] netlink_rcv_skb+0x130/0x360 [ 638.289318][ T73] netlink_unicast+0x449/0x710 [ 638.289318][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.289318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.289318][ T73] ___sys_sendmsg+0xee/0x170 [ 638.289318][ T73] __sys_sendmsg+0xcd/0x170 [ 638.289318][ T73] do_syscall_64+0xc6/0x1e0 [ 638.289318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.289318][ T73] [ 638.291420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.291420][ T73] dst_init+0x84/0x4a0 [ 638.291420][ T73] dst_alloc+0x97/0x150 [ 638.291420][ T73] ip6_dst_alloc+0x23/0x90 [ 638.291420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 638.291420][ T73] ip6_pol_route+0x56f/0x840 [ 638.291420][ T73] fib6_rule_lookup+0x456/0x630 [ 638.291420][ T73] ip6_route_input+0x59c/0xa50 [ 638.291420][ T73] ipv6_rcv+0x397/0x810 [ 638.291420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 638.291420][ T73] process_backlog+0x101/0x620 [ 638.291420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 638.291420][ T73] net_rx_action+0x495/0xbe0 [ 638.291420][ T73] __do_softirq+0x1b5/0x7f6 [ 638.291420][ T73] [ 638.293221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.293221][ T73] netdev_get_by_index+0x5e/0x80 [ 638.293221][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.293221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.293221][ T73] ip6_route_add+0x1c/0x140 [ 638.293221][ T73] addrconf_prefix_route+0x2a6/0x430 [ 638.293221][ T73] inet6_addr_add+0x4f8/0xa40 [ 638.293221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.293221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.293221][ T73] netlink_rcv_skb+0x130/0x360 [ 638.293221][ T73] netlink_unicast+0x449/0x710 [ 638.293221][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.293221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.293221][ T73] ___sys_sendmsg+0xee/0x170 [ 638.293221][ T73] __sys_sendmsg+0xcd/0x170 [ 638.293221][ T73] do_syscall_64+0xc6/0x1e0 [ 638.293221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.293221][ T73] [ 638.295519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.295519][ T73] netdev_get_by_index+0x5e/0x80 [ 638.295519][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.295519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.295519][ T73] addrconf_f6i_alloc+0x315/0x560 [ 638.295519][ T73] ipv6_add_addr+0x411/0x2000 [ 638.295519][ T73] inet6_addr_add+0x30e/0xa40 [ 638.295519][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.295519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.295519][ T73] netlink_rcv_skb+0x130/0x360 [ 638.295519][ T73] netlink_unicast+0x449/0x710 [ 638.295519][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.295519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.295519][ T73] ___sys_sendmsg+0xee/0x170 [ 638.295519][ T73] __sys_sendmsg+0xcd/0x170 [ 638.295519][ T73] do_syscall_64+0xc6/0x1e0 [ 638.295519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.295519][ T73] [ 638.297757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.297757][ T73] netdev_get_by_index+0x5e/0x80 [ 638.297757][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.297757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.297757][ T73] ip6_route_add+0x1c/0x140 [ 638.297757][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 638.297757][ T73] addrconf_add_dev+0xe2/0x170 [ 638.297757][ T73] inet6_addr_add+0x12f/0xa40 [ 638.297757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.297757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.297757][ T73] netlink_rcv_skb+0x130/0x360 [ 638.297757][ T73] netlink_unicast+0x449/0x710 [ 638.297757][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.297757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.297757][ T73] ___sys_sendmsg+0xee/0x170 [ 638.297757][ T73] __sys_sendmsg+0xcd/0x170 [ 638.297757][ T73] do_syscall_64+0xc6/0x1e0 [ 638.297757][ T73] [ 638.299897][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.299897][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 638.299897][ T73] ipv6_find_idev+0x102/0x170 [ 638.299897][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.299897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.299897][ T73] netlink_rcv_skb+0x130/0x360 [ 638.299897][ T73] netlink_unicast+0x449/0x710 [ 638.299897][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.299897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.299897][ T73] ___sys_sendmsg+0xee/0x170 [ 638.299897][ T73] __sys_sendmsg+0xcd/0x170 [ 638.299897][ T73] do_syscall_64+0xc6/0x1e0 [ 638.299897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.299897][ T73] [ 638.301608][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 638.301608][ T73] neigh_parms_alloc+0x1e5/0x510 [ 638.301608][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 638.301608][ T73] ipv6_find_idev+0x102/0x170 [ 638.301608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.301608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.301608][ T73] netlink_rcv_skb+0x130/0x360 [ 638.301608][ T73] netlink_unicast+0x449/0x710 [ 638.301608][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.301608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.301608][ T73] ___sys_sendmsg+0xee/0x170 [ 638.301608][ T73] __sys_sendmsg+0xcd/0x170 [ 638.301608][ T73] do_syscall_64+0xc6/0x1e0 [ 638.301608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.301608][ T73] [ 638.303668][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 638.303947][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 638.303947][ T73] netdev_get_by_index+0x5e/0x80 [ 638.303947][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.303947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.303947][ T73] addrconf_f6i_alloc+0x265/0x560 [ 638.303947][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 638.303947][ T73] addrconf_join_anycast+0x1c0/0x220 [ 638.303947][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 638.303947][ T73] addrconf_dad_completed+0x12b/0xe20 [ 638.303947][ T73] addrconf_dad_begin+0x310/0x670 [ 638.303947][ T73] addrconf_dad_work+0x10b/0xab0 [ 638.303947][ T73] process_one_work+0x84d/0x18a0 [ 638.303947][ T73] worker_thread+0x587/0xd30 [ 638.303947][ T73] kthread+0x28a/0x350 [ 638.303947][ T73] ret_from_fork+0x31/0x70 [ 638.303947][ T73] ret_from_fork_asm+0x1a/0x30 [ 638.303947][ T73] [ 638.306091][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 638.306091][ T73] netdev_get_by_index+0x5e/0x80 [ 638.306091][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.306091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.306091][ T73] ip6_route_add+0x1c/0x140 [ 638.306091][ T73] addrconf_prefix_route+0x2a6/0x430 [ 638.306091][ T73] inet6_addr_add+0x4f8/0xa40 [ 638.306091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.306091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.306091][ T73] netlink_rcv_skb+0x130/0x360 [ 638.306091][ T73] netlink_unicast+0x449/0x710 [ 638.306091][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.306091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.306091][ T73] ___sys_sendmsg+0xee/0x170 [ 638.306091][ T73] __sys_sendmsg+0xcd/0x170 [ 638.306091][ T73] do_syscall_64+0xc6/0x1e0 [ 638.306091][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.306091][ T73] [ 638.308265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 638.308265][ T73] netdev_get_by_index+0x5e/0x80 [ 638.308265][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.308265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.308265][ T73] addrconf_f6i_alloc+0x315/0x560 [ 638.308265][ T73] ipv6_add_addr+0x411/0x2000 [ 638.308265][ T73] inet6_addr_add+0x30e/0xa40 [ 638.308265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.308265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.308265][ T73] netlink_rcv_skb+0x130/0x360 [ 638.308265][ T73] netlink_unicast+0x449/0x710 [ 638.308265][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.308265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.308265][ T73] ___sys_sendmsg+0xee/0x170 [ 638.308265][ T73] __sys_sendmsg+0xcd/0x170 [ 638.308265][ T73] do_syscall_64+0xc6/0x1e0 [ 638.308265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.308265][ T73] [ 638.310502][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 638.310502][ T73] netdev_get_by_index+0x5e/0x80 [ 638.310502][ T73] fib6_nh_init+0x3d8/0x1580 [ 638.310502][ T73] ip6_route_info_create+0xf18/0x17d0 [ 638.310502][ T73] ip6_route_add+0x1c/0x140 [ 638.310502][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 638.310502][ T73] addrconf_add_dev+0xe2/0x170 [ 638.310502][ T73] inet6_addr_add+0x12f/0xa40 [ 638.310502][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 638.310502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.310502][ T73] netlink_rcv_skb+0x130/0x360 [ 638.310502][ T73] netlink_unicast+0x449/0x710 [ 638.310502][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.310502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.310502][ T73] ___sys_sendmsg+0xee/0x170 [ 638.310502][ T73] __sys_sendmsg+0xcd/0x170 [ 638.310502][ T73] do_syscall_64+0xc6/0x1e0 [ 638.310502][ T73] [ 638.312783][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 638.312783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 638.312783][ T73] ipv6_find_idev+0x102/0x170 [ 638.312783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.312783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.312783][ T73] netlink_rcv_skb+0x130/0x360 [ 638.312783][ T73] netlink_unicast+0x449/0x710 [ 638.312783][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.312783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.312783][ T73] ___sys_sendmsg+0xee/0x170 [ 638.312783][ T73] __sys_sendmsg+0xcd/0x170 [ 638.312783][ T73] do_syscall_64+0xc6/0x1e0 [ 638.312783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.312783][ T73] [ 638.314549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 638.314549][ T73] neigh_parms_alloc+0x1e5/0x510 [ 638.314549][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 638.314549][ T73] ipv6_find_idev+0x102/0x170 [ 638.314549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.314549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.314549][ T73] netlink_rcv_skb+0x130/0x360 [ 638.314549][ T73] netlink_unicast+0x449/0x710 [ 638.314549][ T73] netlink_sendmsg+0x723/0xbe0 [ 638.314549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 638.314549][ T73] ___sys_sendmsg+0xee/0x170 [ 638.314549][ T73] __sys_sendmsg+0xcd/0x170 [ 638.314549][ T73] do_syscall_64+0xc6/0x1e0 [ 638.314549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.314549][ T73] [ 648.494837][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 648.495230][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.495230][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 648.495230][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 648.495230][ T73] fib6_nh_init+0xa22/0x1580 [ 648.495230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.495230][ T73] ip6_route_add+0x1c/0x140 [ 648.495230][ T73] inet6_rtm_newroute+0x104/0x110 [ 648.495230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.495230][ T73] netlink_rcv_skb+0x130/0x360 [ 648.495230][ T73] netlink_unicast+0x449/0x710 [ 648.495230][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.495230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.495230][ T73] ___sys_sendmsg+0xee/0x170 [ 648.495230][ T73] __sys_sendmsg+0xcd/0x170 [ 648.495230][ T73] do_syscall_64+0xc6/0x1e0 [ 648.495230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.495230][ T73] [ 648.497551][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.497551][ T73] dst_init+0x84/0x4a0 [ 648.497551][ T73] dst_alloc+0x97/0x150 [ 648.497551][ T73] ip6_dst_alloc+0x23/0x90 [ 648.497551][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 648.497551][ T73] ip6_pol_route+0x56f/0x840 [ 648.497551][ T73] fib6_rule_lookup+0x456/0x630 [ 648.497551][ T73] ip6_route_input+0x59c/0xa50 [ 648.497551][ T73] ipv6_rcv+0x397/0x810 [ 648.497551][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 648.497551][ T73] process_backlog+0x101/0x620 [ 648.497551][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 648.497551][ T73] net_rx_action+0x495/0xbe0 [ 648.497551][ T73] __do_softirq+0x1b5/0x7f6 [ 648.497551][ T73] [ 648.499193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.499193][ T73] netdev_get_by_index+0x5e/0x80 [ 648.499193][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.499193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.499193][ T73] ip6_route_add+0x1c/0x140 [ 648.499193][ T73] addrconf_prefix_route+0x2a6/0x430 [ 648.499193][ T73] inet6_addr_add+0x4f8/0xa40 [ 648.499193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.499193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.499193][ T73] netlink_rcv_skb+0x130/0x360 [ 648.499193][ T73] netlink_unicast+0x449/0x710 [ 648.499193][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.499193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.499193][ T73] ___sys_sendmsg+0xee/0x170 [ 648.499193][ T73] __sys_sendmsg+0xcd/0x170 [ 648.499193][ T73] do_syscall_64+0xc6/0x1e0 [ 648.499193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.499193][ T73] [ 648.501314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.501314][ T73] netdev_get_by_index+0x5e/0x80 [ 648.501314][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.501314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.501314][ T73] addrconf_f6i_alloc+0x315/0x560 [ 648.501314][ T73] ipv6_add_addr+0x411/0x2000 [ 648.501314][ T73] inet6_addr_add+0x30e/0xa40 [ 648.501314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.501314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.501314][ T73] netlink_rcv_skb+0x130/0x360 [ 648.501314][ T73] netlink_unicast+0x449/0x710 [ 648.501314][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.501314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.501314][ T73] ___sys_sendmsg+0xee/0x170 [ 648.501314][ T73] __sys_sendmsg+0xcd/0x170 [ 648.501314][ T73] do_syscall_64+0xc6/0x1e0 [ 648.501314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.501314][ T73] [ 648.503315][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.503315][ T73] netdev_get_by_index+0x5e/0x80 [ 648.503315][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.503315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.503315][ T73] ip6_route_add+0x1c/0x140 [ 648.503315][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 648.503315][ T73] addrconf_add_dev+0xe2/0x170 [ 648.503315][ T73] inet6_addr_add+0x12f/0xa40 [ 648.503315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.503315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.503315][ T73] netlink_rcv_skb+0x130/0x360 [ 648.503315][ T73] netlink_unicast+0x449/0x710 [ 648.503315][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.503315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.503315][ T73] ___sys_sendmsg+0xee/0x170 [ 648.503315][ T73] __sys_sendmsg+0xcd/0x170 [ 648.503315][ T73] do_syscall_64+0xc6/0x1e0 [ 648.503315][ T73] [ 648.505300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.505300][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 648.505300][ T73] ipv6_find_idev+0x102/0x170 [ 648.505300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.505300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.505300][ T73] netlink_rcv_skb+0x130/0x360 [ 648.505300][ T73] netlink_unicast+0x449/0x710 [ 648.505300][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.505300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.505300][ T73] ___sys_sendmsg+0xee/0x170 [ 648.505300][ T73] __sys_sendmsg+0xcd/0x170 [ 648.505300][ T73] do_syscall_64+0xc6/0x1e0 [ 648.505300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.505300][ T73] [ 648.506845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 648.506845][ T73] neigh_parms_alloc+0x1e5/0x510 [ 648.506845][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 648.506845][ T73] ipv6_find_idev+0x102/0x170 [ 648.506845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.506845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.506845][ T73] netlink_rcv_skb+0x130/0x360 [ 648.506845][ T73] netlink_unicast+0x449/0x710 [ 648.506845][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.506845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.506845][ T73] ___sys_sendmsg+0xee/0x170 [ 648.506845][ T73] __sys_sendmsg+0xcd/0x170 [ 648.506845][ T73] do_syscall_64+0xc6/0x1e0 [ 648.506845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.506845][ T73] [ 648.508540][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 648.508811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.508811][ T73] dst_init+0x84/0x4a0 [ 648.508811][ T73] dst_alloc+0x97/0x150 [ 648.508811][ T73] ip6_dst_alloc+0x23/0x90 [ 648.508811][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 648.508811][ T73] ip6_pol_route+0x56f/0x840 [ 648.508811][ T73] fib6_rule_lookup+0x456/0x630 [ 648.508811][ T73] ip6_route_input+0x59c/0xa50 [ 648.508811][ T73] ipv6_rcv+0x397/0x810 [ 648.508811][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 648.508811][ T73] process_backlog+0x101/0x620 [ 648.508811][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 648.508811][ T73] net_rx_action+0x495/0xbe0 [ 648.508811][ T73] __do_softirq+0x1b5/0x7f6 [ 648.508811][ T73] [ 648.510441][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.510441][ T73] netdev_get_by_index+0x5e/0x80 [ 648.510441][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.510441][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.510441][ T73] addrconf_f6i_alloc+0x265/0x560 [ 648.510441][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 648.510441][ T73] addrconf_join_anycast+0x1c0/0x220 [ 648.510441][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 648.510441][ T73] addrconf_dad_completed+0x12b/0xe20 [ 648.510441][ T73] addrconf_dad_begin+0x310/0x670 [ 648.510441][ T73] addrconf_dad_work+0x10b/0xab0 [ 648.510441][ T73] process_one_work+0x84d/0x18a0 [ 648.510441][ T73] worker_thread+0x587/0xd30 [ 648.510441][ T73] kthread+0x28a/0x350 [ 648.510441][ T73] ret_from_fork+0x31/0x70 [ 648.510441][ T73] ret_from_fork_asm+0x1a/0x30 [ 648.510441][ T73] [ 648.512334][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.512334][ T73] netdev_get_by_index+0x5e/0x80 [ 648.512334][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.512334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.512334][ T73] ip6_route_add+0x1c/0x140 [ 648.512334][ T73] addrconf_prefix_route+0x2a6/0x430 [ 648.512334][ T73] inet6_addr_add+0x4f8/0xa40 [ 648.512334][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.512334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.512334][ T73] netlink_rcv_skb+0x130/0x360 [ 648.512334][ T73] netlink_unicast+0x449/0x710 [ 648.512334][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.512334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.512334][ T73] ___sys_sendmsg+0xee/0x170 [ 648.512334][ T73] __sys_sendmsg+0xcd/0x170 [ 648.512334][ T73] do_syscall_64+0xc6/0x1e0 [ 648.512334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.512334][ T73] [ 648.514347][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.514347][ T73] netdev_get_by_index+0x5e/0x80 [ 648.514347][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.514347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.514347][ T73] addrconf_f6i_alloc+0x315/0x560 [ 648.514347][ T73] ipv6_add_addr+0x411/0x2000 [ 648.514347][ T73] inet6_addr_add+0x30e/0xa40 [ 648.514347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.514347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.514347][ T73] netlink_rcv_skb+0x130/0x360 [ 648.514347][ T73] netlink_unicast+0x449/0x710 [ 648.514347][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.514347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.514347][ T73] ___sys_sendmsg+0xee/0x170 [ 648.514347][ T73] __sys_sendmsg+0xcd/0x170 [ 648.514347][ T73] do_syscall_64+0xc6/0x1e0 [ 648.514347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.514347][ T73] [ 648.516337][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.516337][ T73] netdev_get_by_index+0x5e/0x80 [ 648.516337][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.516337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.516337][ T73] ip6_route_add+0x1c/0x140 [ 648.516337][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 648.516337][ T73] addrconf_add_dev+0xe2/0x170 [ 648.516337][ T73] inet6_addr_add+0x12f/0xa40 [ 648.516337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.516337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.516337][ T73] netlink_rcv_skb+0x130/0x360 [ 648.516337][ T73] netlink_unicast+0x449/0x710 [ 648.516337][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.516337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.516337][ T73] ___sys_sendmsg+0xee/0x170 [ 648.516337][ T73] __sys_sendmsg+0xcd/0x170 [ 648.516337][ T73] do_syscall_64+0xc6/0x1e0 [ 648.516337][ T73] [ 648.518306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.518306][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 648.518306][ T73] ipv6_find_idev+0x102/0x170 [ 648.518306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.518306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.518306][ T73] netlink_rcv_skb+0x130/0x360 [ 648.518306][ T73] netlink_unicast+0x449/0x710 [ 648.518306][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.518306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.518306][ T73] ___sys_sendmsg+0xee/0x170 [ 648.518306][ T73] __sys_sendmsg+0xcd/0x170 [ 648.518306][ T73] do_syscall_64+0xc6/0x1e0 [ 648.518306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.518306][ T73] [ 648.520643][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 648.520643][ T73] neigh_parms_alloc+0x1e5/0x510 [ 648.520643][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 648.520643][ T73] ipv6_find_idev+0x102/0x170 [ 648.520643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.520643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.520643][ T73] netlink_rcv_skb+0x130/0x360 [ 648.520643][ T73] netlink_unicast+0x449/0x710 [ 648.520643][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.520643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.520643][ T73] ___sys_sendmsg+0xee/0x170 [ 648.520643][ T73] __sys_sendmsg+0xcd/0x170 [ 648.520643][ T73] do_syscall_64+0xc6/0x1e0 [ 648.520643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.520643][ T73] [ 648.523440][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 648.523869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.523869][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 648.523869][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 648.523869][ T73] fib6_nh_init+0xa22/0x1580 [ 648.523869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.523869][ T73] ip6_route_add+0x1c/0x140 [ 648.523869][ T73] inet6_rtm_newroute+0x104/0x110 [ 648.523869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.523869][ T73] netlink_rcv_skb+0x130/0x360 [ 648.523869][ T73] netlink_unicast+0x449/0x710 [ 648.523869][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.523869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.523869][ T73] ___sys_sendmsg+0xee/0x170 [ 648.523869][ T73] __sys_sendmsg+0xcd/0x170 [ 648.523869][ T73] do_syscall_64+0xc6/0x1e0 [ 648.523869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.523869][ T73] [ 648.527264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.527264][ T73] dst_init+0x84/0x4a0 [ 648.527264][ T73] dst_alloc+0x97/0x150 [ 648.527264][ T73] ip6_dst_alloc+0x23/0x90 [ 648.527264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 648.527264][ T73] ip6_pol_route+0x56f/0x840 [ 648.527264][ T73] fib6_rule_lookup+0x456/0x630 [ 648.527264][ T73] ip6_route_input+0x59c/0xa50 [ 648.527264][ T73] ipv6_rcv+0x397/0x810 [ 648.527264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 648.527264][ T73] process_backlog+0x101/0x620 [ 648.527264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 648.527264][ T73] net_rx_action+0x495/0xbe0 [ 648.527264][ T73] __do_softirq+0x1b5/0x7f6 [ 648.527264][ T73] [ 648.530136][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.530136][ T73] netdev_get_by_index+0x5e/0x80 [ 648.530136][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.530136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.530136][ T73] ip6_route_add+0x1c/0x140 [ 648.530136][ T73] addrconf_prefix_route+0x2a6/0x430 [ 648.530136][ T73] inet6_addr_add+0x4f8/0xa40 [ 648.530136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.530136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.530136][ T73] netlink_rcv_skb+0x130/0x360 [ 648.530136][ T73] netlink_unicast+0x449/0x710 [ 648.530136][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.530136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.530136][ T73] ___sys_sendmsg+0xee/0x170 [ 648.530136][ T73] __sys_sendmsg+0xcd/0x170 [ 648.530136][ T73] do_syscall_64+0xc6/0x1e0 [ 648.530136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.530136][ T73] [ 648.533477][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.533477][ T73] netdev_get_by_index+0x5e/0x80 [ 648.533477][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.533477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.533477][ T73] addrconf_f6i_alloc+0x315/0x560 [ 648.533477][ T73] ipv6_add_addr+0x411/0x2000 [ 648.533477][ T73] inet6_addr_add+0x30e/0xa40 [ 648.533477][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.533477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.533477][ T73] netlink_rcv_skb+0x130/0x360 [ 648.533477][ T73] netlink_unicast+0x449/0x710 [ 648.533477][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.533477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.533477][ T73] ___sys_sendmsg+0xee/0x170 [ 648.533477][ T73] __sys_sendmsg+0xcd/0x170 [ 648.533477][ T73] do_syscall_64+0xc6/0x1e0 [ 648.533477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.533477][ T73] [ 648.536778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.536778][ T73] netdev_get_by_index+0x5e/0x80 [ 648.536778][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.536778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.536778][ T73] ip6_route_add+0x1c/0x140 [ 648.536778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 648.536778][ T73] addrconf_add_dev+0xe2/0x170 [ 648.536778][ T73] inet6_addr_add+0x12f/0xa40 [ 648.536778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.536778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.536778][ T73] netlink_rcv_skb+0x130/0x360 [ 648.536778][ T73] netlink_unicast+0x449/0x710 [ 648.536778][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.536778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.536778][ T73] ___sys_sendmsg+0xee/0x170 [ 648.536778][ T73] __sys_sendmsg+0xcd/0x170 [ 648.536778][ T73] do_syscall_64+0xc6/0x1e0 [ 648.536778][ T73] [ 648.540135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.540135][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 648.540135][ T73] ipv6_find_idev+0x102/0x170 [ 648.540135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.540135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.540135][ T73] netlink_rcv_skb+0x130/0x360 [ 648.540135][ T73] netlink_unicast+0x449/0x710 [ 648.540135][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.540135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.540135][ T73] ___sys_sendmsg+0xee/0x170 [ 648.540135][ T73] __sys_sendmsg+0xcd/0x170 [ 648.540135][ T73] do_syscall_64+0xc6/0x1e0 [ 648.540135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.540135][ T73] [ 648.542701][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 648.542701][ T73] neigh_parms_alloc+0x1e5/0x510 [ 648.542701][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 648.542701][ T73] ipv6_find_idev+0x102/0x170 [ 648.542701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.542701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.542701][ T73] netlink_rcv_skb+0x130/0x360 [ 648.542701][ T73] netlink_unicast+0x449/0x710 [ 648.542701][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.542701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.542701][ T73] ___sys_sendmsg+0xee/0x170 [ 648.542701][ T73] __sys_sendmsg+0xcd/0x170 [ 648.542701][ T73] do_syscall_64+0xc6/0x1e0 [ 648.542701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.542701][ T73] [ 648.545599][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 648.546646][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 648.546646][ T73] netdev_get_by_index+0x5e/0x80 [ 648.546646][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.546646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.546646][ T73] addrconf_f6i_alloc+0x265/0x560 [ 648.546646][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 648.546646][ T73] addrconf_join_anycast+0x1c0/0x220 [ 648.546646][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 648.546646][ T73] addrconf_dad_completed+0x12b/0xe20 [ 648.546646][ T73] addrconf_dad_begin+0x310/0x670 [ 648.546646][ T73] addrconf_dad_work+0x10b/0xab0 [ 648.546646][ T73] process_one_work+0x84d/0x18a0 [ 648.546646][ T73] worker_thread+0x587/0xd30 [ 648.546646][ T73] kthread+0x28a/0x350 [ 648.546646][ T73] ret_from_fork+0x31/0x70 [ 648.546646][ T73] ret_from_fork_asm+0x1a/0x30 [ 648.546646][ T73] [ 648.548582][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 648.548582][ T73] netdev_get_by_index+0x5e/0x80 [ 648.548582][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.548582][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.548582][ T73] ip6_route_add+0x1c/0x140 [ 648.548582][ T73] addrconf_prefix_route+0x2a6/0x430 [ 648.548582][ T73] inet6_addr_add+0x4f8/0xa40 [ 648.548582][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.548582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.548582][ T73] netlink_rcv_skb+0x130/0x360 [ 648.548582][ T73] netlink_unicast+0x449/0x710 [ 648.548582][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.548582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.548582][ T73] ___sys_sendmsg+0xee/0x170 [ 648.548582][ T73] __sys_sendmsg+0xcd/0x170 [ 648.548582][ T73] do_syscall_64+0xc6/0x1e0 [ 648.548582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.548582][ T73] [ 648.550683][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 648.550683][ T73] netdev_get_by_index+0x5e/0x80 [ 648.550683][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.550683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.550683][ T73] addrconf_f6i_alloc+0x315/0x560 [ 648.550683][ T73] ipv6_add_addr+0x411/0x2000 [ 648.550683][ T73] inet6_addr_add+0x30e/0xa40 [ 648.550683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.550683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.550683][ T73] netlink_rcv_skb+0x130/0x360 [ 648.550683][ T73] netlink_unicast+0x449/0x710 [ 648.550683][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.550683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.550683][ T73] ___sys_sendmsg+0xee/0x170 [ 648.550683][ T73] __sys_sendmsg+0xcd/0x170 [ 648.550683][ T73] do_syscall_64+0xc6/0x1e0 [ 648.550683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.550683][ T73] [ 648.552850][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 648.552850][ T73] netdev_get_by_index+0x5e/0x80 [ 648.552850][ T73] fib6_nh_init+0x3d8/0x1580 [ 648.552850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 648.552850][ T73] ip6_route_add+0x1c/0x140 [ 648.552850][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 648.552850][ T73] addrconf_add_dev+0xe2/0x170 [ 648.552850][ T73] inet6_addr_add+0x12f/0xa40 [ 648.552850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 648.552850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.552850][ T73] netlink_rcv_skb+0x130/0x360 [ 648.552850][ T73] netlink_unicast+0x449/0x710 [ 648.552850][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.552850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.552850][ T73] ___sys_sendmsg+0xee/0x170 [ 648.552850][ T73] __sys_sendmsg+0xcd/0x170 [ 648.552850][ T73] do_syscall_64+0xc6/0x1e0 [ 648.552850][ T73] [ 648.555114][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 648.555114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 648.555114][ T73] ipv6_find_idev+0x102/0x170 [ 648.555114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.555114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.555114][ T73] netlink_rcv_skb+0x130/0x360 [ 648.555114][ T73] netlink_unicast+0x449/0x710 [ 648.555114][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.555114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.555114][ T73] ___sys_sendmsg+0xee/0x170 [ 648.555114][ T73] __sys_sendmsg+0xcd/0x170 [ 648.555114][ T73] do_syscall_64+0xc6/0x1e0 [ 648.555114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.555114][ T73] [ 648.556822][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 648.556822][ T73] neigh_parms_alloc+0x1e5/0x510 [ 648.556822][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 648.556822][ T73] ipv6_find_idev+0x102/0x170 [ 648.556822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 648.556822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 648.556822][ T73] netlink_rcv_skb+0x130/0x360 [ 648.556822][ T73] netlink_unicast+0x449/0x710 [ 648.556822][ T73] netlink_sendmsg+0x723/0xbe0 [ 648.556822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 648.556822][ T73] ___sys_sendmsg+0xee/0x170 [ 648.556822][ T73] __sys_sendmsg+0xcd/0x170 [ 648.556822][ T73] do_syscall_64+0xc6/0x1e0 [ 648.556822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 648.556822][ T73] [ 658.798884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 658.799434][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.799434][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 658.799434][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 658.799434][ T73] fib6_nh_init+0xa22/0x1580 [ 658.799434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.799434][ T73] ip6_route_add+0x1c/0x140 [ 658.799434][ T73] inet6_rtm_newroute+0x104/0x110 [ 658.799434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.799434][ T73] netlink_rcv_skb+0x130/0x360 [ 658.799434][ T73] netlink_unicast+0x449/0x710 [ 658.799434][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.799434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.799434][ T73] ___sys_sendmsg+0xee/0x170 [ 658.799434][ T73] __sys_sendmsg+0xcd/0x170 [ 658.799434][ T73] do_syscall_64+0xc6/0x1e0 [ 658.799434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.799434][ T73] [ 658.802292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.802292][ T73] dst_init+0x84/0x4a0 [ 658.802292][ T73] dst_alloc+0x97/0x150 [ 658.802292][ T73] ip6_dst_alloc+0x23/0x90 [ 658.802292][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 658.802292][ T73] ip6_pol_route+0x56f/0x840 [ 658.802292][ T73] fib6_rule_lookup+0x456/0x630 [ 658.802292][ T73] ip6_route_input+0x59c/0xa50 [ 658.802292][ T73] ipv6_rcv+0x397/0x810 [ 658.802292][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 658.802292][ T73] process_backlog+0x101/0x620 [ 658.802292][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 658.802292][ T73] net_rx_action+0x495/0xbe0 [ 658.802292][ T73] __do_softirq+0x1b5/0x7f6 [ 658.802292][ T73] [ 658.804742][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.804742][ T73] netdev_get_by_index+0x5e/0x80 [ 658.804742][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.804742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.804742][ T73] ip6_route_add+0x1c/0x140 [ 658.804742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 658.804742][ T73] inet6_addr_add+0x4f8/0xa40 [ 658.804742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.804742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.804742][ T73] netlink_rcv_skb+0x130/0x360 [ 658.804742][ T73] netlink_unicast+0x449/0x710 [ 658.804742][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.804742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.804742][ T73] ___sys_sendmsg+0xee/0x170 [ 658.804742][ T73] __sys_sendmsg+0xcd/0x170 [ 658.804742][ T73] do_syscall_64+0xc6/0x1e0 [ 658.804742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.804742][ T73] [ 658.807801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.807801][ T73] netdev_get_by_index+0x5e/0x80 [ 658.807801][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.807801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.807801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 658.807801][ T73] ipv6_add_addr+0x411/0x2000 [ 658.807801][ T73] inet6_addr_add+0x30e/0xa40 [ 658.807801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.807801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.807801][ T73] netlink_rcv_skb+0x130/0x360 [ 658.807801][ T73] netlink_unicast+0x449/0x710 [ 658.807801][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.807801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.807801][ T73] ___sys_sendmsg+0xee/0x170 [ 658.807801][ T73] __sys_sendmsg+0xcd/0x170 [ 658.807801][ T73] do_syscall_64+0xc6/0x1e0 [ 658.807801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.807801][ T73] [ 658.810946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.810946][ T73] netdev_get_by_index+0x5e/0x80 [ 658.810946][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.810946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.810946][ T73] ip6_route_add+0x1c/0x140 [ 658.810946][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 658.810946][ T73] addrconf_add_dev+0xe2/0x170 [ 658.810946][ T73] inet6_addr_add+0x12f/0xa40 [ 658.810946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.810946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.810946][ T73] netlink_rcv_skb+0x130/0x360 [ 658.810946][ T73] netlink_unicast+0x449/0x710 [ 658.810946][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.810946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.810946][ T73] ___sys_sendmsg+0xee/0x170 [ 658.810946][ T73] __sys_sendmsg+0xcd/0x170 [ 658.810946][ T73] do_syscall_64+0xc6/0x1e0 [ 658.810946][ T73] [ 658.814002][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.814002][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 658.814002][ T73] ipv6_find_idev+0x102/0x170 [ 658.814002][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.814002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.814002][ T73] netlink_rcv_skb+0x130/0x360 [ 658.814002][ T73] netlink_unicast+0x449/0x710 [ 658.814002][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.814002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.814002][ T73] ___sys_sendmsg+0xee/0x170 [ 658.814002][ T73] __sys_sendmsg+0xcd/0x170 [ 658.814002][ T73] do_syscall_64+0xc6/0x1e0 [ 658.814002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.814002][ T73] [ 658.816417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 658.816417][ T73] neigh_parms_alloc+0x1e5/0x510 [ 658.816417][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 658.816417][ T73] ipv6_find_idev+0x102/0x170 [ 658.816417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.816417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.816417][ T73] netlink_rcv_skb+0x130/0x360 [ 658.816417][ T73] netlink_unicast+0x449/0x710 [ 658.816417][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.816417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.816417][ T73] ___sys_sendmsg+0xee/0x170 [ 658.816417][ T73] __sys_sendmsg+0xcd/0x170 [ 658.816417][ T73] do_syscall_64+0xc6/0x1e0 [ 658.816417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.816417][ T73] [ 658.819062][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 658.819497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.819497][ T73] dst_init+0x84/0x4a0 [ 658.819497][ T73] dst_alloc+0x97/0x150 [ 658.819497][ T73] ip6_dst_alloc+0x23/0x90 [ 658.819497][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 658.819497][ T73] ip6_pol_route+0x56f/0x840 [ 658.819497][ T73] fib6_rule_lookup+0x456/0x630 [ 658.819497][ T73] ip6_route_input+0x59c/0xa50 [ 658.819497][ T73] ipv6_rcv+0x397/0x810 [ 658.819497][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 658.819497][ T73] process_backlog+0x101/0x620 [ 658.819497][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 658.819497][ T73] net_rx_action+0x495/0xbe0 [ 658.819497][ T73] __do_softirq+0x1b5/0x7f6 [ 658.819497][ T73] [ 658.822013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.822013][ T73] netdev_get_by_index+0x5e/0x80 [ 658.822013][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.822013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.822013][ T73] addrconf_f6i_alloc+0x265/0x560 [ 658.822013][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 658.822013][ T73] addrconf_join_anycast+0x1c0/0x220 [ 658.822013][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 658.822013][ T73] addrconf_dad_completed+0x12b/0xe20 [ 658.822013][ T73] addrconf_dad_begin+0x310/0x670 [ 658.822013][ T73] addrconf_dad_work+0x10b/0xab0 [ 658.822013][ T73] process_one_work+0x84d/0x18a0 [ 658.822013][ T73] worker_thread+0x587/0xd30 [ 658.822013][ T73] kthread+0x28a/0x350 [ 658.822013][ T73] ret_from_fork+0x31/0x70 [ 658.822013][ T73] ret_from_fork_asm+0x1a/0x30 [ 658.822013][ T73] [ 658.825050][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.825050][ T73] netdev_get_by_index+0x5e/0x80 [ 658.825050][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.825050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.825050][ T73] ip6_route_add+0x1c/0x140 [ 658.825050][ T73] addrconf_prefix_route+0x2a6/0x430 [ 658.825050][ T73] inet6_addr_add+0x4f8/0xa40 [ 658.825050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.825050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.825050][ T73] netlink_rcv_skb+0x130/0x360 [ 658.825050][ T73] netlink_unicast+0x449/0x710 [ 658.825050][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.825050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.825050][ T73] ___sys_sendmsg+0xee/0x170 [ 658.825050][ T73] __sys_sendmsg+0xcd/0x170 [ 658.825050][ T73] do_syscall_64+0xc6/0x1e0 [ 658.825050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.825050][ T73] [ 658.828163][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.828163][ T73] netdev_get_by_index+0x5e/0x80 [ 658.828163][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.828163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.828163][ T73] addrconf_f6i_alloc+0x315/0x560 [ 658.828163][ T73] ipv6_add_addr+0x411/0x2000 [ 658.828163][ T73] inet6_addr_add+0x30e/0xa40 [ 658.828163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.828163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.828163][ T73] netlink_rcv_skb+0x130/0x360 [ 658.828163][ T73] netlink_unicast+0x449/0x710 [ 658.828163][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.828163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.828163][ T73] ___sys_sendmsg+0xee/0x170 [ 658.828163][ T73] __sys_sendmsg+0xcd/0x170 [ 658.828163][ T73] do_syscall_64+0xc6/0x1e0 [ 658.828163][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.828163][ T73] [ 658.831224][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.831224][ T73] netdev_get_by_index+0x5e/0x80 [ 658.831224][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.831224][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.831224][ T73] ip6_route_add+0x1c/0x140 [ 658.831224][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 658.831224][ T73] addrconf_add_dev+0xe2/0x170 [ 658.831224][ T73] inet6_addr_add+0x12f/0xa40 [ 658.831224][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.831224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.831224][ T73] netlink_rcv_skb+0x130/0x360 [ 658.831224][ T73] netlink_unicast+0x449/0x710 [ 658.831224][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.831224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.831224][ T73] ___sys_sendmsg+0xee/0x170 [ 658.831224][ T73] __sys_sendmsg+0xcd/0x170 [ 658.831224][ T73] do_syscall_64+0xc6/0x1e0 [ 658.831224][ T73] [ 658.834263][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.834263][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 658.834263][ T73] ipv6_find_idev+0x102/0x170 [ 658.834263][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.834263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.834263][ T73] netlink_rcv_skb+0x130/0x360 [ 658.834263][ T73] netlink_unicast+0x449/0x710 [ 658.834263][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.834263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.834263][ T73] ___sys_sendmsg+0xee/0x170 [ 658.834263][ T73] __sys_sendmsg+0xcd/0x170 [ 658.834263][ T73] do_syscall_64+0xc6/0x1e0 [ 658.834263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.834263][ T73] [ 658.836600][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 658.836600][ T73] neigh_parms_alloc+0x1e5/0x510 [ 658.836600][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 658.836600][ T73] ipv6_find_idev+0x102/0x170 [ 658.836600][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.836600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.836600][ T73] netlink_rcv_skb+0x130/0x360 [ 658.836600][ T73] netlink_unicast+0x449/0x710 [ 658.836600][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.836600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.836600][ T73] ___sys_sendmsg+0xee/0x170 [ 658.836600][ T73] __sys_sendmsg+0xcd/0x170 [ 658.836600][ T73] do_syscall_64+0xc6/0x1e0 [ 658.836600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.836600][ T73] [ 658.839348][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 658.839765][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.839765][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 658.839765][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 658.839765][ T73] fib6_nh_init+0xa22/0x1580 [ 658.839765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.839765][ T73] ip6_route_add+0x1c/0x140 [ 658.839765][ T73] inet6_rtm_newroute+0x104/0x110 [ 658.839765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.839765][ T73] netlink_rcv_skb+0x130/0x360 [ 658.839765][ T73] netlink_unicast+0x449/0x710 [ 658.839765][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.839765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.839765][ T73] ___sys_sendmsg+0xee/0x170 [ 658.839765][ T73] __sys_sendmsg+0xcd/0x170 [ 658.839765][ T73] do_syscall_64+0xc6/0x1e0 [ 658.839765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.839765][ T73] [ 658.842835][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.842835][ T73] dst_init+0x84/0x4a0 [ 658.842835][ T73] dst_alloc+0x97/0x150 [ 658.842835][ T73] ip6_dst_alloc+0x23/0x90 [ 658.842835][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 658.842835][ T73] ip6_pol_route+0x56f/0x840 [ 658.842835][ T73] fib6_rule_lookup+0x456/0x630 [ 658.842835][ T73] ip6_route_input+0x59c/0xa50 [ 658.842835][ T73] ipv6_rcv+0x397/0x810 [ 658.842835][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 658.842835][ T73] process_backlog+0x101/0x620 [ 658.842835][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 658.842835][ T73] net_rx_action+0x495/0xbe0 [ 658.842835][ T73] __do_softirq+0x1b5/0x7f6 [ 658.842835][ T73] [ 658.845427][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.845427][ T73] netdev_get_by_index+0x5e/0x80 [ 658.845427][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.845427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.845427][ T73] ip6_route_add+0x1c/0x140 [ 658.845427][ T73] addrconf_prefix_route+0x2a6/0x430 [ 658.845427][ T73] inet6_addr_add+0x4f8/0xa40 [ 658.845427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.845427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.845427][ T73] netlink_rcv_skb+0x130/0x360 [ 658.845427][ T73] netlink_unicast+0x449/0x710 [ 658.845427][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.845427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.845427][ T73] ___sys_sendmsg+0xee/0x170 [ 658.845427][ T73] __sys_sendmsg+0xcd/0x170 [ 658.845427][ T73] do_syscall_64+0xc6/0x1e0 [ 658.845427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.845427][ T73] [ 658.848700][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.848700][ T73] netdev_get_by_index+0x5e/0x80 [ 658.848700][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.848700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.848700][ T73] addrconf_f6i_alloc+0x315/0x560 [ 658.848700][ T73] ipv6_add_addr+0x411/0x2000 [ 658.848700][ T73] inet6_addr_add+0x30e/0xa40 [ 658.848700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.848700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.848700][ T73] netlink_rcv_skb+0x130/0x360 [ 658.848700][ T73] netlink_unicast+0x449/0x710 [ 658.848700][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.848700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.848700][ T73] ___sys_sendmsg+0xee/0x170 [ 658.848700][ T73] __sys_sendmsg+0xcd/0x170 [ 658.848700][ T73] do_syscall_64+0xc6/0x1e0 [ 658.848700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.848700][ T73] [ 658.852095][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.852095][ T73] netdev_get_by_index+0x5e/0x80 [ 658.852095][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.852095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.852095][ T73] ip6_route_add+0x1c/0x140 [ 658.852095][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 658.852095][ T73] addrconf_add_dev+0xe2/0x170 [ 658.852095][ T73] inet6_addr_add+0x12f/0xa40 [ 658.852095][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.852095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.852095][ T73] netlink_rcv_skb+0x130/0x360 [ 658.852095][ T73] netlink_unicast+0x449/0x710 [ 658.852095][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.852095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.852095][ T73] ___sys_sendmsg+0xee/0x170 [ 658.852095][ T73] __sys_sendmsg+0xcd/0x170 [ 658.852095][ T73] do_syscall_64+0xc6/0x1e0 [ 658.852095][ T73] [ 658.855305][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.855305][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 658.855305][ T73] ipv6_find_idev+0x102/0x170 [ 658.855305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.855305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.855305][ T73] netlink_rcv_skb+0x130/0x360 [ 658.855305][ T73] netlink_unicast+0x449/0x710 [ 658.855305][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.855305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.855305][ T73] ___sys_sendmsg+0xee/0x170 [ 658.855305][ T73] __sys_sendmsg+0xcd/0x170 [ 658.855305][ T73] do_syscall_64+0xc6/0x1e0 [ 658.855305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.855305][ T73] [ 658.857911][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 658.857911][ T73] neigh_parms_alloc+0x1e5/0x510 [ 658.857911][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 658.857911][ T73] ipv6_find_idev+0x102/0x170 [ 658.857911][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.857911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.857911][ T73] netlink_rcv_skb+0x130/0x360 [ 658.857911][ T73] netlink_unicast+0x449/0x710 [ 658.857911][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.857911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.857911][ T73] ___sys_sendmsg+0xee/0x170 [ 658.857911][ T73] __sys_sendmsg+0xcd/0x170 [ 658.857911][ T73] do_syscall_64+0xc6/0x1e0 [ 658.857911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.857911][ T73] [ 658.860645][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 658.861923][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 658.861923][ T73] netdev_get_by_index+0x5e/0x80 [ 658.861923][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.861923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.861923][ T73] addrconf_f6i_alloc+0x265/0x560 [ 658.861923][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 658.861923][ T73] addrconf_join_anycast+0x1c0/0x220 [ 658.861923][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 658.861923][ T73] addrconf_dad_completed+0x12b/0xe20 [ 658.861923][ T73] addrconf_dad_begin+0x310/0x670 [ 658.861923][ T73] addrconf_dad_work+0x10b/0xab0 [ 658.861923][ T73] process_one_work+0x84d/0x18a0 [ 658.861923][ T73] worker_thread+0x587/0xd30 [ 658.861923][ T73] kthread+0x28a/0x350 [ 658.861923][ T73] ret_from_fork+0x31/0x70 [ 658.861923][ T73] ret_from_fork_asm+0x1a/0x30 [ 658.861923][ T73] [ 658.864901][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 658.864901][ T73] netdev_get_by_index+0x5e/0x80 [ 658.864901][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.864901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.864901][ T73] ip6_route_add+0x1c/0x140 [ 658.864901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 658.864901][ T73] inet6_addr_add+0x4f8/0xa40 [ 658.864901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.864901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.864901][ T73] netlink_rcv_skb+0x130/0x360 [ 658.864901][ T73] netlink_unicast+0x449/0x710 [ 658.864901][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.864901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.864901][ T73] ___sys_sendmsg+0xee/0x170 [ 658.864901][ T73] __sys_sendmsg+0xcd/0x170 [ 658.864901][ T73] do_syscall_64+0xc6/0x1e0 [ 658.864901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.864901][ T73] [ 658.868093][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 658.868093][ T73] netdev_get_by_index+0x5e/0x80 [ 658.868093][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.868093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.868093][ T73] addrconf_f6i_alloc+0x315/0x560 [ 658.868093][ T73] ipv6_add_addr+0x411/0x2000 [ 658.868093][ T73] inet6_addr_add+0x30e/0xa40 [ 658.868093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.868093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.868093][ T73] netlink_rcv_skb+0x130/0x360 [ 658.868093][ T73] netlink_unicast+0x449/0x710 [ 658.868093][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.868093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.868093][ T73] ___sys_sendmsg+0xee/0x170 [ 658.868093][ T73] __sys_sendmsg+0xcd/0x170 [ 658.868093][ T73] do_syscall_64+0xc6/0x1e0 [ 658.868093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.868093][ T73] [ 658.871835][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 658.871835][ T73] netdev_get_by_index+0x5e/0x80 [ 658.871835][ T73] fib6_nh_init+0x3d8/0x1580 [ 658.871835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 658.871835][ T73] ip6_route_add+0x1c/0x140 [ 658.871835][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 658.871835][ T73] addrconf_add_dev+0xe2/0x170 [ 658.871835][ T73] inet6_addr_add+0x12f/0xa40 [ 658.871835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 658.871835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.871835][ T73] netlink_rcv_skb+0x130/0x360 [ 658.871835][ T73] netlink_unicast+0x449/0x710 [ 658.871835][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.871835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.871835][ T73] ___sys_sendmsg+0xee/0x170 [ 658.871835][ T73] __sys_sendmsg+0xcd/0x170 [ 658.871835][ T73] do_syscall_64+0xc6/0x1e0 [ 658.871835][ T73] [ 658.874193][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 658.874193][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 658.874193][ T73] ipv6_find_idev+0x102/0x170 [ 658.874193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.874193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.874193][ T73] netlink_rcv_skb+0x130/0x360 [ 658.874193][ T73] netlink_unicast+0x449/0x710 [ 658.874193][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.874193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.874193][ T73] ___sys_sendmsg+0xee/0x170 [ 658.874193][ T73] __sys_sendmsg+0xcd/0x170 [ 658.874193][ T73] do_syscall_64+0xc6/0x1e0 [ 658.874193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.874193][ T73] [ 658.875810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 658.875810][ T73] neigh_parms_alloc+0x1e5/0x510 [ 658.875810][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 658.875810][ T73] ipv6_find_idev+0x102/0x170 [ 658.875810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 658.875810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 658.875810][ T73] netlink_rcv_skb+0x130/0x360 [ 658.875810][ T73] netlink_unicast+0x449/0x710 [ 658.875810][ T73] netlink_sendmsg+0x723/0xbe0 [ 658.875810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 658.875810][ T73] ___sys_sendmsg+0xee/0x170 [ 658.875810][ T73] __sys_sendmsg+0xcd/0x170 [ 658.875810][ T73] do_syscall_64+0xc6/0x1e0 [ 658.875810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 658.875810][ T73] [ 669.335001][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 669.335458][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.335458][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 669.335458][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 669.335458][ T73] fib6_nh_init+0xa22/0x1580 [ 669.335458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.335458][ T73] ip6_route_add+0x1c/0x140 [ 669.335458][ T73] inet6_rtm_newroute+0x104/0x110 [ 669.335458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.335458][ T73] netlink_rcv_skb+0x130/0x360 [ 669.335458][ T73] netlink_unicast+0x449/0x710 [ 669.335458][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.335458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.335458][ T73] ___sys_sendmsg+0xee/0x170 [ 669.335458][ T73] __sys_sendmsg+0xcd/0x170 [ 669.335458][ T73] do_syscall_64+0xc6/0x1e0 [ 669.335458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.335458][ T73] [ 669.337361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.337361][ T73] dst_init+0x84/0x4a0 [ 669.337361][ T73] dst_alloc+0x97/0x150 [ 669.337361][ T73] ip6_dst_alloc+0x23/0x90 [ 669.337361][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 669.337361][ T73] ip6_pol_route+0x56f/0x840 [ 669.337361][ T73] fib6_rule_lookup+0x456/0x630 [ 669.337361][ T73] ip6_route_input+0x59c/0xa50 [ 669.337361][ T73] ipv6_rcv+0x397/0x810 [ 669.337361][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 669.337361][ T73] process_backlog+0x101/0x620 [ 669.337361][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 669.337361][ T73] net_rx_action+0x495/0xbe0 [ 669.337361][ T73] __do_softirq+0x1b5/0x7f6 [ 669.337361][ T73] [ 669.338989][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.338989][ T73] netdev_get_by_index+0x5e/0x80 [ 669.338989][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.338989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.338989][ T73] ip6_route_add+0x1c/0x140 [ 669.338989][ T73] addrconf_prefix_route+0x2a6/0x430 [ 669.338989][ T73] inet6_addr_add+0x4f8/0xa40 [ 669.338989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.338989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.338989][ T73] netlink_rcv_skb+0x130/0x360 [ 669.338989][ T73] netlink_unicast+0x449/0x710 [ 669.338989][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.338989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.338989][ T73] ___sys_sendmsg+0xee/0x170 [ 669.338989][ T73] __sys_sendmsg+0xcd/0x170 [ 669.338989][ T73] do_syscall_64+0xc6/0x1e0 [ 669.338989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.338989][ T73] [ 669.340977][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.340977][ T73] netdev_get_by_index+0x5e/0x80 [ 669.340977][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.340977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.340977][ T73] addrconf_f6i_alloc+0x315/0x560 [ 669.340977][ T73] ipv6_add_addr+0x411/0x2000 [ 669.340977][ T73] inet6_addr_add+0x30e/0xa40 [ 669.340977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.340977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.340977][ T73] netlink_rcv_skb+0x130/0x360 [ 669.340977][ T73] netlink_unicast+0x449/0x710 [ 669.340977][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.340977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.340977][ T73] ___sys_sendmsg+0xee/0x170 [ 669.340977][ T73] __sys_sendmsg+0xcd/0x170 [ 669.340977][ T73] do_syscall_64+0xc6/0x1e0 [ 669.340977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.340977][ T73] [ 669.342971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.342971][ T73] netdev_get_by_index+0x5e/0x80 [ 669.342971][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.342971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.342971][ T73] ip6_route_add+0x1c/0x140 [ 669.342971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 669.342971][ T73] addrconf_add_dev+0xe2/0x170 [ 669.342971][ T73] inet6_addr_add+0x12f/0xa40 [ 669.342971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.342971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.342971][ T73] netlink_rcv_skb+0x130/0x360 [ 669.342971][ T73] netlink_unicast+0x449/0x710 [ 669.342971][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.342971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.342971][ T73] ___sys_sendmsg+0xee/0x170 [ 669.342971][ T73] __sys_sendmsg+0xcd/0x170 [ 669.342971][ T73] do_syscall_64+0xc6/0x1e0 [ 669.342971][ T73] [ 669.344924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.344924][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 669.344924][ T73] ipv6_find_idev+0x102/0x170 [ 669.344924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.344924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.344924][ T73] netlink_rcv_skb+0x130/0x360 [ 669.344924][ T73] netlink_unicast+0x449/0x710 [ 669.344924][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.344924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.344924][ T73] ___sys_sendmsg+0xee/0x170 [ 669.344924][ T73] __sys_sendmsg+0xcd/0x170 [ 669.344924][ T73] do_syscall_64+0xc6/0x1e0 [ 669.344924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.344924][ T73] [ 669.346457][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 669.346457][ T73] neigh_parms_alloc+0x1e5/0x510 [ 669.346457][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 669.346457][ T73] ipv6_find_idev+0x102/0x170 [ 669.346457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.346457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.346457][ T73] netlink_rcv_skb+0x130/0x360 [ 669.346457][ T73] netlink_unicast+0x449/0x710 [ 669.346457][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.346457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.346457][ T73] ___sys_sendmsg+0xee/0x170 [ 669.346457][ T73] __sys_sendmsg+0xcd/0x170 [ 669.346457][ T73] do_syscall_64+0xc6/0x1e0 [ 669.346457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.346457][ T73] [ 669.348172][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 669.348442][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.348442][ T73] dst_init+0x84/0x4a0 [ 669.348442][ T73] dst_alloc+0x97/0x150 [ 669.348442][ T73] ip6_dst_alloc+0x23/0x90 [ 669.348442][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 669.348442][ T73] ip6_pol_route+0x56f/0x840 [ 669.348442][ T73] fib6_rule_lookup+0x456/0x630 [ 669.348442][ T73] ip6_route_input+0x59c/0xa50 [ 669.348442][ T73] ipv6_rcv+0x397/0x810 [ 669.348442][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 669.348442][ T73] process_backlog+0x101/0x620 [ 669.348442][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 669.348442][ T73] net_rx_action+0x495/0xbe0 [ 669.348442][ T73] __do_softirq+0x1b5/0x7f6 [ 669.348442][ T73] [ 669.350074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.350074][ T73] netdev_get_by_index+0x5e/0x80 [ 669.350074][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.350074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.350074][ T73] addrconf_f6i_alloc+0x265/0x560 [ 669.350074][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 669.350074][ T73] addrconf_join_anycast+0x1c0/0x220 [ 669.350074][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 669.350074][ T73] addrconf_dad_completed+0x12b/0xe20 [ 669.350074][ T73] addrconf_dad_begin+0x310/0x670 [ 669.350074][ T73] addrconf_dad_work+0x10b/0xab0 [ 669.350074][ T73] process_one_work+0x84d/0x18a0 [ 669.350074][ T73] worker_thread+0x587/0xd30 [ 669.350074][ T73] kthread+0x28a/0x350 [ 669.350074][ T73] ret_from_fork+0x31/0x70 [ 669.350074][ T73] ret_from_fork_asm+0x1a/0x30 [ 669.350074][ T73] [ 669.351984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.351984][ T73] netdev_get_by_index+0x5e/0x80 [ 669.351984][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.351984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.351984][ T73] ip6_route_add+0x1c/0x140 [ 669.351984][ T73] addrconf_prefix_route+0x2a6/0x430 [ 669.351984][ T73] inet6_addr_add+0x4f8/0xa40 [ 669.351984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.351984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.351984][ T73] netlink_rcv_skb+0x130/0x360 [ 669.351984][ T73] netlink_unicast+0x449/0x710 [ 669.351984][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.351984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.351984][ T73] ___sys_sendmsg+0xee/0x170 [ 669.351984][ T73] __sys_sendmsg+0xcd/0x170 [ 669.351984][ T73] do_syscall_64+0xc6/0x1e0 [ 669.351984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.351984][ T73] [ 669.353974][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.353974][ T73] netdev_get_by_index+0x5e/0x80 [ 669.353974][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.353974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.353974][ T73] addrconf_f6i_alloc+0x315/0x560 [ 669.353974][ T73] ipv6_add_addr+0x411/0x2000 [ 669.353974][ T73] inet6_addr_add+0x30e/0xa40 [ 669.353974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.353974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.353974][ T73] netlink_rcv_skb+0x130/0x360 [ 669.353974][ T73] netlink_unicast+0x449/0x710 [ 669.353974][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.353974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.353974][ T73] ___sys_sendmsg+0xee/0x170 [ 669.353974][ T73] __sys_sendmsg+0xcd/0x170 [ 669.353974][ T73] do_syscall_64+0xc6/0x1e0 [ 669.353974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.353974][ T73] [ 669.355951][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.355951][ T73] netdev_get_by_index+0x5e/0x80 [ 669.355951][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.355951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.355951][ T73] ip6_route_add+0x1c/0x140 [ 669.355951][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 669.355951][ T73] addrconf_add_dev+0xe2/0x170 [ 669.355951][ T73] inet6_addr_add+0x12f/0xa40 [ 669.355951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.355951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.355951][ T73] netlink_rcv_skb+0x130/0x360 [ 669.355951][ T73] netlink_unicast+0x449/0x710 [ 669.355951][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.355951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.355951][ T73] ___sys_sendmsg+0xee/0x170 [ 669.355951][ T73] __sys_sendmsg+0xcd/0x170 [ 669.355951][ T73] do_syscall_64+0xc6/0x1e0 [ 669.355951][ T73] [ 669.357904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.357904][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 669.357904][ T73] ipv6_find_idev+0x102/0x170 [ 669.357904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.357904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.357904][ T73] netlink_rcv_skb+0x130/0x360 [ 669.357904][ T73] netlink_unicast+0x449/0x710 [ 669.357904][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.357904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.357904][ T73] ___sys_sendmsg+0xee/0x170 [ 669.357904][ T73] __sys_sendmsg+0xcd/0x170 [ 669.357904][ T73] do_syscall_64+0xc6/0x1e0 [ 669.357904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.357904][ T73] [ 669.359437][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 669.359437][ T73] neigh_parms_alloc+0x1e5/0x510 [ 669.359437][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 669.359437][ T73] ipv6_find_idev+0x102/0x170 [ 669.359437][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.359437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.359437][ T73] netlink_rcv_skb+0x130/0x360 [ 669.359437][ T73] netlink_unicast+0x449/0x710 [ 669.359437][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.359437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.359437][ T73] ___sys_sendmsg+0xee/0x170 [ 669.359437][ T73] __sys_sendmsg+0xcd/0x170 [ 669.359437][ T73] do_syscall_64+0xc6/0x1e0 [ 669.359437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.359437][ T73] [ 669.361239][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 669.361505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.361505][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 669.361505][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 669.361505][ T73] fib6_nh_init+0xa22/0x1580 [ 669.361505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.361505][ T73] ip6_route_add+0x1c/0x140 [ 669.361505][ T73] inet6_rtm_newroute+0x104/0x110 [ 669.361505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.361505][ T73] netlink_rcv_skb+0x130/0x360 [ 669.361505][ T73] netlink_unicast+0x449/0x710 [ 669.361505][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.361505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.361505][ T73] ___sys_sendmsg+0xee/0x170 [ 669.361505][ T73] __sys_sendmsg+0xcd/0x170 [ 669.361505][ T73] do_syscall_64+0xc6/0x1e0 [ 669.361505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.361505][ T73] [ 669.363612][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.363612][ T73] dst_init+0x84/0x4a0 [ 669.363612][ T73] dst_alloc+0x97/0x150 [ 669.363612][ T73] ip6_dst_alloc+0x23/0x90 [ 669.363612][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 669.363612][ T73] ip6_pol_route+0x56f/0x840 [ 669.363612][ T73] fib6_rule_lookup+0x456/0x630 [ 669.363612][ T73] ip6_route_input+0x59c/0xa50 [ 669.363612][ T73] ipv6_rcv+0x397/0x810 [ 669.363612][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 669.363612][ T73] process_backlog+0x101/0x620 [ 669.363612][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 669.363612][ T73] net_rx_action+0x495/0xbe0 [ 669.363612][ T73] __do_softirq+0x1b5/0x7f6 [ 669.363612][ T73] [ 669.365417][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.365417][ T73] netdev_get_by_index+0x5e/0x80 [ 669.365417][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.365417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.365417][ T73] ip6_route_add+0x1c/0x140 [ 669.365417][ T73] addrconf_prefix_route+0x2a6/0x430 [ 669.365417][ T73] inet6_addr_add+0x4f8/0xa40 [ 669.365417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.365417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.365417][ T73] netlink_rcv_skb+0x130/0x360 [ 669.365417][ T73] netlink_unicast+0x449/0x710 [ 669.365417][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.365417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.365417][ T73] ___sys_sendmsg+0xee/0x170 [ 669.365417][ T73] __sys_sendmsg+0xcd/0x170 [ 669.365417][ T73] do_syscall_64+0xc6/0x1e0 [ 669.365417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.365417][ T73] [ 669.367650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.367650][ T73] netdev_get_by_index+0x5e/0x80 [ 669.367650][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.367650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.367650][ T73] addrconf_f6i_alloc+0x315/0x560 [ 669.367650][ T73] ipv6_add_addr+0x411/0x2000 [ 669.367650][ T73] inet6_addr_add+0x30e/0xa40 [ 669.367650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.367650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.367650][ T73] netlink_rcv_skb+0x130/0x360 [ 669.367650][ T73] netlink_unicast+0x449/0x710 [ 669.367650][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.367650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.367650][ T73] ___sys_sendmsg+0xee/0x170 [ 669.367650][ T73] __sys_sendmsg+0xcd/0x170 [ 669.367650][ T73] do_syscall_64+0xc6/0x1e0 [ 669.367650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.367650][ T73] [ 669.369936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.369936][ T73] netdev_get_by_index+0x5e/0x80 [ 669.369936][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.369936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.369936][ T73] ip6_route_add+0x1c/0x140 [ 669.369936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 669.369936][ T73] addrconf_add_dev+0xe2/0x170 [ 669.369936][ T73] inet6_addr_add+0x12f/0xa40 [ 669.369936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.369936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.369936][ T73] netlink_rcv_skb+0x130/0x360 [ 669.369936][ T73] netlink_unicast+0x449/0x710 [ 669.369936][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.369936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.369936][ T73] ___sys_sendmsg+0xee/0x170 [ 669.369936][ T73] __sys_sendmsg+0xcd/0x170 [ 669.369936][ T73] do_syscall_64+0xc6/0x1e0 [ 669.369936][ T73] [ 669.372120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.372120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 669.372120][ T73] ipv6_find_idev+0x102/0x170 [ 669.372120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.372120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.372120][ T73] netlink_rcv_skb+0x130/0x360 [ 669.372120][ T73] netlink_unicast+0x449/0x710 [ 669.372120][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.372120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.372120][ T73] ___sys_sendmsg+0xee/0x170 [ 669.372120][ T73] __sys_sendmsg+0xcd/0x170 [ 669.372120][ T73] do_syscall_64+0xc6/0x1e0 [ 669.372120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.372120][ T73] [ 669.373824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 669.373824][ T73] neigh_parms_alloc+0x1e5/0x510 [ 669.373824][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 669.373824][ T73] ipv6_find_idev+0x102/0x170 [ 669.373824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.373824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.373824][ T73] netlink_rcv_skb+0x130/0x360 [ 669.373824][ T73] netlink_unicast+0x449/0x710 [ 669.373824][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.373824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.373824][ T73] ___sys_sendmsg+0xee/0x170 [ 669.373824][ T73] __sys_sendmsg+0xcd/0x170 [ 669.373824][ T73] do_syscall_64+0xc6/0x1e0 [ 669.373824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.373824][ T73] [ 669.375676][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 669.376011][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 669.376011][ T73] netdev_get_by_index+0x5e/0x80 [ 669.376011][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.376011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.376011][ T73] addrconf_f6i_alloc+0x265/0x560 [ 669.376011][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 669.376011][ T73] addrconf_join_anycast+0x1c0/0x220 [ 669.376011][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 669.376011][ T73] addrconf_dad_completed+0x12b/0xe20 [ 669.376011][ T73] addrconf_dad_begin+0x310/0x670 [ 669.376011][ T73] addrconf_dad_work+0x10b/0xab0 [ 669.376011][ T73] process_one_work+0x84d/0x18a0 [ 669.376011][ T73] worker_thread+0x587/0xd30 [ 669.376011][ T73] kthread+0x28a/0x350 [ 669.376011][ T73] ret_from_fork+0x31/0x70 [ 669.376011][ T73] ret_from_fork_asm+0x1a/0x30 [ 669.376011][ T73] [ 669.378177][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 669.378177][ T73] netdev_get_by_index+0x5e/0x80 [ 669.378177][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.378177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.378177][ T73] ip6_route_add+0x1c/0x140 [ 669.378177][ T73] addrconf_prefix_route+0x2a6/0x430 [ 669.378177][ T73] inet6_addr_add+0x4f8/0xa40 [ 669.378177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.378177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.378177][ T73] netlink_rcv_skb+0x130/0x360 [ 669.378177][ T73] netlink_unicast+0x449/0x710 [ 669.378177][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.378177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.378177][ T73] ___sys_sendmsg+0xee/0x170 [ 669.378177][ T73] __sys_sendmsg+0xcd/0x170 [ 669.378177][ T73] do_syscall_64+0xc6/0x1e0 [ 669.378177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.378177][ T73] [ 669.380405][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 669.380405][ T73] netdev_get_by_index+0x5e/0x80 [ 669.380405][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.380405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.380405][ T73] addrconf_f6i_alloc+0x315/0x560 [ 669.380405][ T73] ipv6_add_addr+0x411/0x2000 [ 669.380405][ T73] inet6_addr_add+0x30e/0xa40 [ 669.380405][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.380405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.380405][ T73] netlink_rcv_skb+0x130/0x360 [ 669.380405][ T73] netlink_unicast+0x449/0x710 [ 669.380405][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.380405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.380405][ T73] ___sys_sendmsg+0xee/0x170 [ 669.380405][ T73] __sys_sendmsg+0xcd/0x170 [ 669.380405][ T73] do_syscall_64+0xc6/0x1e0 [ 669.380405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.380405][ T73] [ 669.382630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 669.382630][ T73] netdev_get_by_index+0x5e/0x80 [ 669.382630][ T73] fib6_nh_init+0x3d8/0x1580 [ 669.382630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 669.382630][ T73] ip6_route_add+0x1c/0x140 [ 669.382630][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 669.382630][ T73] addrconf_add_dev+0xe2/0x170 [ 669.382630][ T73] inet6_addr_add+0x12f/0xa40 [ 669.382630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 669.382630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.382630][ T73] netlink_rcv_skb+0x130/0x360 [ 669.382630][ T73] netlink_unicast+0x449/0x710 [ 669.382630][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.382630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.382630][ T73] ___sys_sendmsg+0xee/0x170 [ 669.382630][ T73] __sys_sendmsg+0xcd/0x170 [ 669.382630][ T73] do_syscall_64+0xc6/0x1e0 [ 669.382630][ T73] [ 669.384818][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 669.384818][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 669.384818][ T73] ipv6_find_idev+0x102/0x170 [ 669.384818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.384818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.384818][ T73] netlink_rcv_skb+0x130/0x360 [ 669.384818][ T73] netlink_unicast+0x449/0x710 [ 669.384818][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.384818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.384818][ T73] ___sys_sendmsg+0xee/0x170 [ 669.384818][ T73] __sys_sendmsg+0xcd/0x170 [ 669.384818][ T73] do_syscall_64+0xc6/0x1e0 [ 669.384818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.384818][ T73] [ 669.386531][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 669.386531][ T73] neigh_parms_alloc+0x1e5/0x510 [ 669.386531][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 669.386531][ T73] ipv6_find_idev+0x102/0x170 [ 669.386531][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.386531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.386531][ T73] netlink_rcv_skb+0x130/0x360 [ 669.386531][ T73] netlink_unicast+0x449/0x710 [ 669.386531][ T73] netlink_sendmsg+0x723/0xbe0 [ 669.386531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 669.386531][ T73] ___sys_sendmsg+0xee/0x170 [ 669.386531][ T73] __sys_sendmsg+0xcd/0x170 [ 669.386531][ T73] do_syscall_64+0xc6/0x1e0 [ 669.386531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.386531][ T73] [ 679.638915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 679.639542][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.639542][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 679.639542][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 679.639542][ T73] fib6_nh_init+0xa22/0x1580 [ 679.639542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.639542][ T73] ip6_route_add+0x1c/0x140 [ 679.639542][ T73] inet6_rtm_newroute+0x104/0x110 [ 679.639542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.639542][ T73] netlink_rcv_skb+0x130/0x360 [ 679.639542][ T73] netlink_unicast+0x449/0x710 [ 679.639542][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.639542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.639542][ T73] ___sys_sendmsg+0xee/0x170 [ 679.639542][ T73] __sys_sendmsg+0xcd/0x170 [ 679.639542][ T73] do_syscall_64+0xc6/0x1e0 [ 679.639542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.639542][ T73] [ 679.642472][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.642472][ T73] dst_init+0x84/0x4a0 [ 679.642472][ T73] dst_alloc+0x97/0x150 [ 679.642472][ T73] ip6_dst_alloc+0x23/0x90 [ 679.642472][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 679.642472][ T73] ip6_pol_route+0x56f/0x840 [ 679.642472][ T73] fib6_rule_lookup+0x456/0x630 [ 679.642472][ T73] ip6_route_input+0x59c/0xa50 [ 679.642472][ T73] ipv6_rcv+0x397/0x810 [ 679.642472][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 679.642472][ T73] process_backlog+0x101/0x620 [ 679.642472][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 679.642472][ T73] net_rx_action+0x495/0xbe0 [ 679.642472][ T73] __do_softirq+0x1b5/0x7f6 [ 679.642472][ T73] [ 679.645037][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.645037][ T73] netdev_get_by_index+0x5e/0x80 [ 679.645037][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.645037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.645037][ T73] ip6_route_add+0x1c/0x140 [ 679.645037][ T73] addrconf_prefix_route+0x2a6/0x430 [ 679.645037][ T73] inet6_addr_add+0x4f8/0xa40 [ 679.645037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.645037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.645037][ T73] netlink_rcv_skb+0x130/0x360 [ 679.645037][ T73] netlink_unicast+0x449/0x710 [ 679.645037][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.645037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.645037][ T73] ___sys_sendmsg+0xee/0x170 [ 679.645037][ T73] __sys_sendmsg+0xcd/0x170 [ 679.645037][ T73] do_syscall_64+0xc6/0x1e0 [ 679.645037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.645037][ T73] [ 679.648136][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.648136][ T73] netdev_get_by_index+0x5e/0x80 [ 679.648136][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.648136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.648136][ T73] addrconf_f6i_alloc+0x315/0x560 [ 679.648136][ T73] ipv6_add_addr+0x411/0x2000 [ 679.648136][ T73] inet6_addr_add+0x30e/0xa40 [ 679.648136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.648136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.648136][ T73] netlink_rcv_skb+0x130/0x360 [ 679.648136][ T73] netlink_unicast+0x449/0x710 [ 679.648136][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.648136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.648136][ T73] ___sys_sendmsg+0xee/0x170 [ 679.648136][ T73] __sys_sendmsg+0xcd/0x170 [ 679.648136][ T73] do_syscall_64+0xc6/0x1e0 [ 679.648136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.648136][ T73] [ 679.651338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.651338][ T73] netdev_get_by_index+0x5e/0x80 [ 679.651338][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.651338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.651338][ T73] ip6_route_add+0x1c/0x140 [ 679.651338][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 679.651338][ T73] addrconf_add_dev+0xe2/0x170 [ 679.651338][ T73] inet6_addr_add+0x12f/0xa40 [ 679.651338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.651338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.651338][ T73] netlink_rcv_skb+0x130/0x360 [ 679.651338][ T73] netlink_unicast+0x449/0x710 [ 679.651338][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.651338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.651338][ T73] ___sys_sendmsg+0xee/0x170 [ 679.651338][ T73] __sys_sendmsg+0xcd/0x170 [ 679.651338][ T73] do_syscall_64+0xc6/0x1e0 [ 679.651338][ T73] [ 679.654440][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.654440][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 679.654440][ T73] ipv6_find_idev+0x102/0x170 [ 679.654440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.654440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.654440][ T73] netlink_rcv_skb+0x130/0x360 [ 679.654440][ T73] netlink_unicast+0x449/0x710 [ 679.654440][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.654440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.654440][ T73] ___sys_sendmsg+0xee/0x170 [ 679.654440][ T73] __sys_sendmsg+0xcd/0x170 [ 679.654440][ T73] do_syscall_64+0xc6/0x1e0 [ 679.654440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.654440][ T73] [ 679.656733][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 679.656733][ T73] neigh_parms_alloc+0x1e5/0x510 [ 679.656733][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 679.656733][ T73] ipv6_find_idev+0x102/0x170 [ 679.656733][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.656733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.656733][ T73] netlink_rcv_skb+0x130/0x360 [ 679.656733][ T73] netlink_unicast+0x449/0x710 [ 679.656733][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.656733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.656733][ T73] ___sys_sendmsg+0xee/0x170 [ 679.656733][ T73] __sys_sendmsg+0xcd/0x170 [ 679.656733][ T73] do_syscall_64+0xc6/0x1e0 [ 679.656733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.656733][ T73] [ 679.659256][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 679.659651][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.659651][ T73] dst_init+0x84/0x4a0 [ 679.659651][ T73] dst_alloc+0x97/0x150 [ 679.659651][ T73] ip6_dst_alloc+0x23/0x90 [ 679.659651][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 679.659651][ T73] ip6_pol_route+0x56f/0x840 [ 679.659651][ T73] fib6_rule_lookup+0x456/0x630 [ 679.659651][ T73] ip6_route_input+0x59c/0xa50 [ 679.659651][ T73] ipv6_rcv+0x397/0x810 [ 679.659651][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 679.659651][ T73] process_backlog+0x101/0x620 [ 679.659651][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 679.659651][ T73] net_rx_action+0x495/0xbe0 [ 679.659651][ T73] __do_softirq+0x1b5/0x7f6 [ 679.659651][ T73] [ 679.662138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.662138][ T73] netdev_get_by_index+0x5e/0x80 [ 679.662138][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.662138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.662138][ T73] addrconf_f6i_alloc+0x265/0x560 [ 679.662138][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 679.662138][ T73] addrconf_join_anycast+0x1c0/0x220 [ 679.662138][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 679.662138][ T73] addrconf_dad_completed+0x12b/0xe20 [ 679.662138][ T73] addrconf_dad_begin+0x310/0x670 [ 679.662138][ T73] addrconf_dad_work+0x10b/0xab0 [ 679.662138][ T73] process_one_work+0x84d/0x18a0 [ 679.662138][ T73] worker_thread+0x587/0xd30 [ 679.662138][ T73] kthread+0x28a/0x350 [ 679.662138][ T73] ret_from_fork+0x31/0x70 [ 679.662138][ T73] ret_from_fork_asm+0x1a/0x30 [ 679.662138][ T73] [ 679.664995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.664995][ T73] netdev_get_by_index+0x5e/0x80 [ 679.664995][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.664995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.664995][ T73] ip6_route_add+0x1c/0x140 [ 679.664995][ T73] addrconf_prefix_route+0x2a6/0x430 [ 679.664995][ T73] inet6_addr_add+0x4f8/0xa40 [ 679.664995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.664995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.664995][ T73] netlink_rcv_skb+0x130/0x360 [ 679.664995][ T73] netlink_unicast+0x449/0x710 [ 679.664995][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.664995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.664995][ T73] ___sys_sendmsg+0xee/0x170 [ 679.664995][ T73] __sys_sendmsg+0xcd/0x170 [ 679.664995][ T73] do_syscall_64+0xc6/0x1e0 [ 679.664995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.664995][ T73] [ 679.667948][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.667948][ T73] netdev_get_by_index+0x5e/0x80 [ 679.667948][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.667948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.667948][ T73] addrconf_f6i_alloc+0x315/0x560 [ 679.667948][ T73] ipv6_add_addr+0x411/0x2000 [ 679.667948][ T73] inet6_addr_add+0x30e/0xa40 [ 679.667948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.667948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.667948][ T73] netlink_rcv_skb+0x130/0x360 [ 679.667948][ T73] netlink_unicast+0x449/0x710 [ 679.667948][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.667948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.667948][ T73] ___sys_sendmsg+0xee/0x170 [ 679.667948][ T73] __sys_sendmsg+0xcd/0x170 [ 679.667948][ T73] do_syscall_64+0xc6/0x1e0 [ 679.667948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.667948][ T73] [ 679.671016][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.671016][ T73] netdev_get_by_index+0x5e/0x80 [ 679.671016][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.671016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.671016][ T73] ip6_route_add+0x1c/0x140 [ 679.671016][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 679.671016][ T73] addrconf_add_dev+0xe2/0x170 [ 679.671016][ T73] inet6_addr_add+0x12f/0xa40 [ 679.671016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.671016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.671016][ T73] netlink_rcv_skb+0x130/0x360 [ 679.671016][ T73] netlink_unicast+0x449/0x710 [ 679.671016][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.671016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.671016][ T73] ___sys_sendmsg+0xee/0x170 [ 679.671016][ T73] __sys_sendmsg+0xcd/0x170 [ 679.671016][ T73] do_syscall_64+0xc6/0x1e0 [ 679.671016][ T73] [ 679.673960][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.673960][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 679.673960][ T73] ipv6_find_idev+0x102/0x170 [ 679.673960][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.673960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.673960][ T73] netlink_rcv_skb+0x130/0x360 [ 679.673960][ T73] netlink_unicast+0x449/0x710 [ 679.673960][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.673960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.673960][ T73] ___sys_sendmsg+0xee/0x170 [ 679.673960][ T73] __sys_sendmsg+0xcd/0x170 [ 679.673960][ T73] do_syscall_64+0xc6/0x1e0 [ 679.673960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.673960][ T73] [ 679.676242][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 679.676242][ T73] neigh_parms_alloc+0x1e5/0x510 [ 679.676242][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 679.676242][ T73] ipv6_find_idev+0x102/0x170 [ 679.676242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.676242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.676242][ T73] netlink_rcv_skb+0x130/0x360 [ 679.676242][ T73] netlink_unicast+0x449/0x710 [ 679.676242][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.676242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.676242][ T73] ___sys_sendmsg+0xee/0x170 [ 679.676242][ T73] __sys_sendmsg+0xcd/0x170 [ 679.676242][ T73] do_syscall_64+0xc6/0x1e0 [ 679.676242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.676242][ T73] [ 679.679195][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 679.679621][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.679621][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 679.679621][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 679.679621][ T73] fib6_nh_init+0xa22/0x1580 [ 679.679621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.679621][ T73] ip6_route_add+0x1c/0x140 [ 679.679621][ T73] inet6_rtm_newroute+0x104/0x110 [ 679.679621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.679621][ T73] netlink_rcv_skb+0x130/0x360 [ 679.679621][ T73] netlink_unicast+0x449/0x710 [ 679.679621][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.679621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.679621][ T73] ___sys_sendmsg+0xee/0x170 [ 679.679621][ T73] __sys_sendmsg+0xcd/0x170 [ 679.679621][ T73] do_syscall_64+0xc6/0x1e0 [ 679.679621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.679621][ T73] [ 679.683056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.683056][ T73] dst_init+0x84/0x4a0 [ 679.683056][ T73] dst_alloc+0x97/0x150 [ 679.683056][ T73] ip6_dst_alloc+0x23/0x90 [ 679.683056][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 679.683056][ T73] ip6_pol_route+0x56f/0x840 [ 679.683056][ T73] fib6_rule_lookup+0x456/0x630 [ 679.683056][ T73] ip6_route_input+0x59c/0xa50 [ 679.683056][ T73] ipv6_rcv+0x397/0x810 [ 679.683056][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 679.683056][ T73] process_backlog+0x101/0x620 [ 679.683056][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 679.683056][ T73] net_rx_action+0x495/0xbe0 [ 679.683056][ T73] __do_softirq+0x1b5/0x7f6 [ 679.683056][ T73] [ 679.685902][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.685902][ T73] netdev_get_by_index+0x5e/0x80 [ 679.685902][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.685902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.685902][ T73] ip6_route_add+0x1c/0x140 [ 679.685902][ T73] addrconf_prefix_route+0x2a6/0x430 [ 679.685902][ T73] inet6_addr_add+0x4f8/0xa40 [ 679.685902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.685902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.685902][ T73] netlink_rcv_skb+0x130/0x360 [ 679.685902][ T73] netlink_unicast+0x449/0x710 [ 679.685902][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.685902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.685902][ T73] ___sys_sendmsg+0xee/0x170 [ 679.685902][ T73] __sys_sendmsg+0xcd/0x170 [ 679.685902][ T73] do_syscall_64+0xc6/0x1e0 [ 679.685902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.685902][ T73] [ 679.689435][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.689435][ T73] netdev_get_by_index+0x5e/0x80 [ 679.689435][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.689435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.689435][ T73] addrconf_f6i_alloc+0x315/0x560 [ 679.689435][ T73] ipv6_add_addr+0x411/0x2000 [ 679.689435][ T73] inet6_addr_add+0x30e/0xa40 [ 679.689435][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.689435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.689435][ T73] netlink_rcv_skb+0x130/0x360 [ 679.689435][ T73] netlink_unicast+0x449/0x710 [ 679.689435][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.689435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.689435][ T73] ___sys_sendmsg+0xee/0x170 [ 679.689435][ T73] __sys_sendmsg+0xcd/0x170 [ 679.689435][ T73] do_syscall_64+0xc6/0x1e0 [ 679.689435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.689435][ T73] [ 679.692862][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.692862][ T73] netdev_get_by_index+0x5e/0x80 [ 679.692862][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.692862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.692862][ T73] ip6_route_add+0x1c/0x140 [ 679.692862][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 679.692862][ T73] addrconf_add_dev+0xe2/0x170 [ 679.692862][ T73] inet6_addr_add+0x12f/0xa40 [ 679.692862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.692862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.692862][ T73] netlink_rcv_skb+0x130/0x360 [ 679.692862][ T73] netlink_unicast+0x449/0x710 [ 679.692862][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.692862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.692862][ T73] ___sys_sendmsg+0xee/0x170 [ 679.692862][ T73] __sys_sendmsg+0xcd/0x170 [ 679.692862][ T73] do_syscall_64+0xc6/0x1e0 [ 679.692862][ T73] [ 679.696221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.696221][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 679.696221][ T73] ipv6_find_idev+0x102/0x170 [ 679.696221][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.696221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.696221][ T73] netlink_rcv_skb+0x130/0x360 [ 679.696221][ T73] netlink_unicast+0x449/0x710 [ 679.696221][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.696221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.696221][ T73] ___sys_sendmsg+0xee/0x170 [ 679.696221][ T73] __sys_sendmsg+0xcd/0x170 [ 679.696221][ T73] do_syscall_64+0xc6/0x1e0 [ 679.696221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.696221][ T73] [ 679.698768][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 679.698768][ T73] neigh_parms_alloc+0x1e5/0x510 [ 679.698768][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 679.698768][ T73] ipv6_find_idev+0x102/0x170 [ 679.698768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.698768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.698768][ T73] netlink_rcv_skb+0x130/0x360 [ 679.698768][ T73] netlink_unicast+0x449/0x710 [ 679.698768][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.698768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.698768][ T73] ___sys_sendmsg+0xee/0x170 [ 679.698768][ T73] __sys_sendmsg+0xcd/0x170 [ 679.698768][ T73] do_syscall_64+0xc6/0x1e0 [ 679.698768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.698768][ T73] [ 679.701760][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 679.703019][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 679.703019][ T73] netdev_get_by_index+0x5e/0x80 [ 679.703019][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.703019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.703019][ T73] addrconf_f6i_alloc+0x265/0x560 [ 679.703019][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 679.703019][ T73] addrconf_join_anycast+0x1c0/0x220 [ 679.703019][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 679.703019][ T73] addrconf_dad_completed+0x12b/0xe20 [ 679.703019][ T73] addrconf_dad_begin+0x310/0x670 [ 679.703019][ T73] addrconf_dad_work+0x10b/0xab0 [ 679.703019][ T73] process_one_work+0x84d/0x18a0 [ 679.703019][ T73] worker_thread+0x587/0xd30 [ 679.703019][ T73] kthread+0x28a/0x350 [ 679.703019][ T73] ret_from_fork+0x31/0x70 [ 679.703019][ T73] ret_from_fork_asm+0x1a/0x30 [ 679.703019][ T73] [ 679.705975][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 679.705975][ T73] netdev_get_by_index+0x5e/0x80 [ 679.705975][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.705975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.705975][ T73] ip6_route_add+0x1c/0x140 [ 679.705975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 679.705975][ T73] inet6_addr_add+0x4f8/0xa40 [ 679.705975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.705975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.705975][ T73] netlink_rcv_skb+0x130/0x360 [ 679.705975][ T73] netlink_unicast+0x449/0x710 [ 679.705975][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.705975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.705975][ T73] ___sys_sendmsg+0xee/0x170 [ 679.705975][ T73] __sys_sendmsg+0xcd/0x170 [ 679.705975][ T73] do_syscall_64+0xc6/0x1e0 [ 679.705975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.705975][ T73] [ 679.709283][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 679.709283][ T73] netdev_get_by_index+0x5e/0x80 [ 679.709283][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.709283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.709283][ T73] addrconf_f6i_alloc+0x315/0x560 [ 679.709283][ T73] ipv6_add_addr+0x411/0x2000 [ 679.709283][ T73] inet6_addr_add+0x30e/0xa40 [ 679.709283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.709283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.709283][ T73] netlink_rcv_skb+0x130/0x360 [ 679.709283][ T73] netlink_unicast+0x449/0x710 [ 679.709283][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.709283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.709283][ T73] ___sys_sendmsg+0xee/0x170 [ 679.709283][ T73] __sys_sendmsg+0xcd/0x170 [ 679.709283][ T73] do_syscall_64+0xc6/0x1e0 [ 679.709283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.709283][ T73] [ 679.712852][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 679.712852][ T73] netdev_get_by_index+0x5e/0x80 [ 679.712852][ T73] fib6_nh_init+0x3d8/0x1580 [ 679.712852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 679.712852][ T73] ip6_route_add+0x1c/0x140 [ 679.712852][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 679.712852][ T73] addrconf_add_dev+0xe2/0x170 [ 679.712852][ T73] inet6_addr_add+0x12f/0xa40 [ 679.712852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 679.712852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.712852][ T73] netlink_rcv_skb+0x130/0x360 [ 679.712852][ T73] netlink_unicast+0x449/0x710 [ 679.712852][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.712852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.712852][ T73] ___sys_sendmsg+0xee/0x170 [ 679.712852][ T73] __sys_sendmsg+0xcd/0x170 [ 679.712852][ T73] do_syscall_64+0xc6/0x1e0 [ 679.712852][ T73] [ 679.716189][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 679.716189][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 679.716189][ T73] ipv6_find_idev+0x102/0x170 [ 679.716189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.716189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.716189][ T73] netlink_rcv_skb+0x130/0x360 [ 679.716189][ T73] netlink_unicast+0x449/0x710 [ 679.716189][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.716189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.716189][ T73] ___sys_sendmsg+0xee/0x170 [ 679.716189][ T73] __sys_sendmsg+0xcd/0x170 [ 679.716189][ T73] do_syscall_64+0xc6/0x1e0 [ 679.716189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.716189][ T73] [ 679.719004][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 679.719004][ T73] neigh_parms_alloc+0x1e5/0x510 [ 679.719004][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 679.719004][ T73] ipv6_find_idev+0x102/0x170 [ 679.719004][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.719004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.719004][ T73] netlink_rcv_skb+0x130/0x360 [ 679.719004][ T73] netlink_unicast+0x449/0x710 [ 679.719004][ T73] netlink_sendmsg+0x723/0xbe0 [ 679.719004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 679.719004][ T73] ___sys_sendmsg+0xee/0x170 [ 679.719004][ T73] __sys_sendmsg+0xcd/0x170 [ 679.719004][ T73] do_syscall_64+0xc6/0x1e0 [ 679.719004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.719004][ T73] [ 689.734939][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 689.735411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.735411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 689.735411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 689.735411][ T73] fib6_nh_init+0xa22/0x1580 [ 689.735411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.735411][ T73] ip6_route_add+0x1c/0x140 [ 689.735411][ T73] inet6_rtm_newroute+0x104/0x110 [ 689.735411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.735411][ T73] netlink_rcv_skb+0x130/0x360 [ 689.735411][ T73] netlink_unicast+0x449/0x710 [ 689.735411][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.735411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.735411][ T73] ___sys_sendmsg+0xee/0x170 [ 689.735411][ T73] __sys_sendmsg+0xcd/0x170 [ 689.735411][ T73] do_syscall_64+0xc6/0x1e0 [ 689.735411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.735411][ T73] [ 689.737473][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.737473][ T73] dst_init+0x84/0x4a0 [ 689.737473][ T73] dst_alloc+0x97/0x150 [ 689.737473][ T73] ip6_dst_alloc+0x23/0x90 [ 689.737473][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 689.737473][ T73] ip6_pol_route+0x56f/0x840 [ 689.737473][ T73] fib6_rule_lookup+0x456/0x630 [ 689.737473][ T73] ip6_route_input+0x59c/0xa50 [ 689.737473][ T73] ipv6_rcv+0x397/0x810 [ 689.737473][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 689.737473][ T73] process_backlog+0x101/0x620 [ 689.737473][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 689.737473][ T73] net_rx_action+0x495/0xbe0 [ 689.737473][ T73] __do_softirq+0x1b5/0x7f6 [ 689.737473][ T73] [ 689.739255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.739255][ T73] netdev_get_by_index+0x5e/0x80 [ 689.739255][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.739255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.739255][ T73] ip6_route_add+0x1c/0x140 [ 689.739255][ T73] addrconf_prefix_route+0x2a6/0x430 [ 689.739255][ T73] inet6_addr_add+0x4f8/0xa40 [ 689.739255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.739255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.739255][ T73] netlink_rcv_skb+0x130/0x360 [ 689.739255][ T73] netlink_unicast+0x449/0x710 [ 689.739255][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.739255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.739255][ T73] ___sys_sendmsg+0xee/0x170 [ 689.739255][ T73] __sys_sendmsg+0xcd/0x170 [ 689.739255][ T73] do_syscall_64+0xc6/0x1e0 [ 689.739255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.739255][ T73] [ 689.741431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.741431][ T73] netdev_get_by_index+0x5e/0x80 [ 689.741431][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.741431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.741431][ T73] addrconf_f6i_alloc+0x315/0x560 [ 689.741431][ T73] ipv6_add_addr+0x411/0x2000 [ 689.741431][ T73] inet6_addr_add+0x30e/0xa40 [ 689.741431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.741431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.741431][ T73] netlink_rcv_skb+0x130/0x360 [ 689.741431][ T73] netlink_unicast+0x449/0x710 [ 689.741431][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.741431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.741431][ T73] ___sys_sendmsg+0xee/0x170 [ 689.741431][ T73] __sys_sendmsg+0xcd/0x170 [ 689.741431][ T73] do_syscall_64+0xc6/0x1e0 [ 689.741431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.741431][ T73] [ 689.743603][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.743603][ T73] netdev_get_by_index+0x5e/0x80 [ 689.743603][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.743603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.743603][ T73] ip6_route_add+0x1c/0x140 [ 689.743603][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 689.743603][ T73] addrconf_add_dev+0xe2/0x170 [ 689.743603][ T73] inet6_addr_add+0x12f/0xa40 [ 689.743603][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.743603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.743603][ T73] netlink_rcv_skb+0x130/0x360 [ 689.743603][ T73] netlink_unicast+0x449/0x710 [ 689.743603][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.743603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.743603][ T73] ___sys_sendmsg+0xee/0x170 [ 689.743603][ T73] __sys_sendmsg+0xcd/0x170 [ 689.743603][ T73] do_syscall_64+0xc6/0x1e0 [ 689.743603][ T73] [ 689.745824][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.745824][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 689.745824][ T73] ipv6_find_idev+0x102/0x170 [ 689.745824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.745824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.745824][ T73] netlink_rcv_skb+0x130/0x360 [ 689.745824][ T73] netlink_unicast+0x449/0x710 [ 689.745824][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.745824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.745824][ T73] ___sys_sendmsg+0xee/0x170 [ 689.745824][ T73] __sys_sendmsg+0xcd/0x170 [ 689.745824][ T73] do_syscall_64+0xc6/0x1e0 [ 689.745824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.745824][ T73] [ 689.747512][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 689.747512][ T73] neigh_parms_alloc+0x1e5/0x510 [ 689.747512][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 689.747512][ T73] ipv6_find_idev+0x102/0x170 [ 689.747512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.747512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.747512][ T73] netlink_rcv_skb+0x130/0x360 [ 689.747512][ T73] netlink_unicast+0x449/0x710 [ 689.747512][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.747512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.747512][ T73] ___sys_sendmsg+0xee/0x170 [ 689.747512][ T73] __sys_sendmsg+0xcd/0x170 [ 689.747512][ T73] do_syscall_64+0xc6/0x1e0 [ 689.747512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.747512][ T73] [ 689.749340][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 689.749633][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.749633][ T73] dst_init+0x84/0x4a0 [ 689.749633][ T73] dst_alloc+0x97/0x150 [ 689.749633][ T73] ip6_dst_alloc+0x23/0x90 [ 689.749633][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 689.749633][ T73] ip6_pol_route+0x56f/0x840 [ 689.749633][ T73] fib6_rule_lookup+0x456/0x630 [ 689.749633][ T73] ip6_route_input+0x59c/0xa50 [ 689.749633][ T73] ipv6_rcv+0x397/0x810 [ 689.749633][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 689.749633][ T73] process_backlog+0x101/0x620 [ 689.749633][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 689.749633][ T73] net_rx_action+0x495/0xbe0 [ 689.749633][ T73] __do_softirq+0x1b5/0x7f6 [ 689.749633][ T73] [ 689.751383][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.751383][ T73] netdev_get_by_index+0x5e/0x80 [ 689.751383][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.751383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.751383][ T73] addrconf_f6i_alloc+0x265/0x560 [ 689.751383][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 689.751383][ T73] addrconf_join_anycast+0x1c0/0x220 [ 689.751383][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 689.751383][ T73] addrconf_dad_completed+0x12b/0xe20 [ 689.751383][ T73] addrconf_dad_begin+0x310/0x670 [ 689.751383][ T73] addrconf_dad_work+0x10b/0xab0 [ 689.751383][ T73] process_one_work+0x84d/0x18a0 [ 689.751383][ T73] worker_thread+0x587/0xd30 [ 689.751383][ T73] kthread+0x28a/0x350 [ 689.751383][ T73] ret_from_fork+0x31/0x70 [ 689.751383][ T73] ret_from_fork_asm+0x1a/0x30 [ 689.751383][ T73] [ 689.753436][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.753436][ T73] netdev_get_by_index+0x5e/0x80 [ 689.753436][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.753436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.753436][ T73] ip6_route_add+0x1c/0x140 [ 689.753436][ T73] addrconf_prefix_route+0x2a6/0x430 [ 689.753436][ T73] inet6_addr_add+0x4f8/0xa40 [ 689.753436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.753436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.753436][ T73] netlink_rcv_skb+0x130/0x360 [ 689.753436][ T73] netlink_unicast+0x449/0x710 [ 689.753436][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.753436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.753436][ T73] ___sys_sendmsg+0xee/0x170 [ 689.753436][ T73] __sys_sendmsg+0xcd/0x170 [ 689.753436][ T73] do_syscall_64+0xc6/0x1e0 [ 689.753436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.753436][ T73] [ 689.755568][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.755568][ T73] netdev_get_by_index+0x5e/0x80 [ 689.755568][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.755568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.755568][ T73] addrconf_f6i_alloc+0x315/0x560 [ 689.755568][ T73] ipv6_add_addr+0x411/0x2000 [ 689.755568][ T73] inet6_addr_add+0x30e/0xa40 [ 689.755568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.755568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.755568][ T73] netlink_rcv_skb+0x130/0x360 [ 689.755568][ T73] netlink_unicast+0x449/0x710 [ 689.755568][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.755568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.755568][ T73] ___sys_sendmsg+0xee/0x170 [ 689.755568][ T73] __sys_sendmsg+0xcd/0x170 [ 689.755568][ T73] do_syscall_64+0xc6/0x1e0 [ 689.755568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.755568][ T73] [ 689.757747][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.757747][ T73] netdev_get_by_index+0x5e/0x80 [ 689.757747][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.757747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.757747][ T73] ip6_route_add+0x1c/0x140 [ 689.757747][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 689.757747][ T73] addrconf_add_dev+0xe2/0x170 [ 689.757747][ T73] inet6_addr_add+0x12f/0xa40 [ 689.757747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.757747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.757747][ T73] netlink_rcv_skb+0x130/0x360 [ 689.757747][ T73] netlink_unicast+0x449/0x710 [ 689.757747][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.757747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.757747][ T73] ___sys_sendmsg+0xee/0x170 [ 689.757747][ T73] __sys_sendmsg+0xcd/0x170 [ 689.757747][ T73] do_syscall_64+0xc6/0x1e0 [ 689.757747][ T73] [ 689.759872][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.759872][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 689.759872][ T73] ipv6_find_idev+0x102/0x170 [ 689.759872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.759872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.759872][ T73] netlink_rcv_skb+0x130/0x360 [ 689.759872][ T73] netlink_unicast+0x449/0x710 [ 689.759872][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.759872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.759872][ T73] ___sys_sendmsg+0xee/0x170 [ 689.759872][ T73] __sys_sendmsg+0xcd/0x170 [ 689.759872][ T73] do_syscall_64+0xc6/0x1e0 [ 689.759872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.759872][ T73] [ 689.761549][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 689.761549][ T73] neigh_parms_alloc+0x1e5/0x510 [ 689.761549][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 689.761549][ T73] ipv6_find_idev+0x102/0x170 [ 689.761549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.761549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.761549][ T73] netlink_rcv_skb+0x130/0x360 [ 689.761549][ T73] netlink_unicast+0x449/0x710 [ 689.761549][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.761549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.761549][ T73] ___sys_sendmsg+0xee/0x170 [ 689.761549][ T73] __sys_sendmsg+0xcd/0x170 [ 689.761549][ T73] do_syscall_64+0xc6/0x1e0 [ 689.761549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.761549][ T73] [ 689.763500][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 689.763791][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.763791][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 689.763791][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 689.763791][ T73] fib6_nh_init+0xa22/0x1580 [ 689.763791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.763791][ T73] ip6_route_add+0x1c/0x140 [ 689.763791][ T73] inet6_rtm_newroute+0x104/0x110 [ 689.763791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.763791][ T73] netlink_rcv_skb+0x130/0x360 [ 689.763791][ T73] netlink_unicast+0x449/0x710 [ 689.763791][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.763791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.763791][ T73] ___sys_sendmsg+0xee/0x170 [ 689.763791][ T73] __sys_sendmsg+0xcd/0x170 [ 689.763791][ T73] do_syscall_64+0xc6/0x1e0 [ 689.763791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.763791][ T73] [ 689.766191][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.766191][ T73] dst_init+0x84/0x4a0 [ 689.766191][ T73] dst_alloc+0x97/0x150 [ 689.766191][ T73] ip6_dst_alloc+0x23/0x90 [ 689.766191][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 689.766191][ T73] ip6_pol_route+0x56f/0x840 [ 689.766191][ T73] fib6_rule_lookup+0x456/0x630 [ 689.766191][ T73] ip6_route_input+0x59c/0xa50 [ 689.766191][ T73] ipv6_rcv+0x397/0x810 [ 689.766191][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 689.766191][ T73] process_backlog+0x101/0x620 [ 689.766191][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 689.766191][ T73] net_rx_action+0x495/0xbe0 [ 689.766191][ T73] __do_softirq+0x1b5/0x7f6 [ 689.766191][ T73] [ 689.768164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.768164][ T73] netdev_get_by_index+0x5e/0x80 [ 689.768164][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.768164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.768164][ T73] ip6_route_add+0x1c/0x140 [ 689.768164][ T73] addrconf_prefix_route+0x2a6/0x430 [ 689.768164][ T73] inet6_addr_add+0x4f8/0xa40 [ 689.768164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.768164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.768164][ T73] netlink_rcv_skb+0x130/0x360 [ 689.768164][ T73] netlink_unicast+0x449/0x710 [ 689.768164][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.768164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.768164][ T73] ___sys_sendmsg+0xee/0x170 [ 689.768164][ T73] __sys_sendmsg+0xcd/0x170 [ 689.768164][ T73] do_syscall_64+0xc6/0x1e0 [ 689.768164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.768164][ T73] [ 689.770595][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.770595][ T73] netdev_get_by_index+0x5e/0x80 [ 689.770595][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.770595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.770595][ T73] addrconf_f6i_alloc+0x315/0x560 [ 689.770595][ T73] ipv6_add_addr+0x411/0x2000 [ 689.770595][ T73] inet6_addr_add+0x30e/0xa40 [ 689.770595][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.770595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.770595][ T73] netlink_rcv_skb+0x130/0x360 [ 689.770595][ T73] netlink_unicast+0x449/0x710 [ 689.770595][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.770595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.770595][ T73] ___sys_sendmsg+0xee/0x170 [ 689.770595][ T73] __sys_sendmsg+0xcd/0x170 [ 689.770595][ T73] do_syscall_64+0xc6/0x1e0 [ 689.770595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.770595][ T73] [ 689.773085][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.773085][ T73] netdev_get_by_index+0x5e/0x80 [ 689.773085][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.773085][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.773085][ T73] ip6_route_add+0x1c/0x140 [ 689.773085][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 689.773085][ T73] addrconf_add_dev+0xe2/0x170 [ 689.773085][ T73] inet6_addr_add+0x12f/0xa40 [ 689.773085][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.773085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.773085][ T73] netlink_rcv_skb+0x130/0x360 [ 689.773085][ T73] netlink_unicast+0x449/0x710 [ 689.773085][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.773085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.773085][ T73] ___sys_sendmsg+0xee/0x170 [ 689.773085][ T73] __sys_sendmsg+0xcd/0x170 [ 689.773085][ T73] do_syscall_64+0xc6/0x1e0 [ 689.773085][ T73] [ 689.775419][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.775419][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 689.775419][ T73] ipv6_find_idev+0x102/0x170 [ 689.775419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.775419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.775419][ T73] netlink_rcv_skb+0x130/0x360 [ 689.775419][ T73] netlink_unicast+0x449/0x710 [ 689.775419][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.775419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.775419][ T73] ___sys_sendmsg+0xee/0x170 [ 689.775419][ T73] __sys_sendmsg+0xcd/0x170 [ 689.775419][ T73] do_syscall_64+0xc6/0x1e0 [ 689.775419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.775419][ T73] [ 689.777282][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 689.777282][ T73] neigh_parms_alloc+0x1e5/0x510 [ 689.777282][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 689.777282][ T73] ipv6_find_idev+0x102/0x170 [ 689.777282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.777282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.777282][ T73] netlink_rcv_skb+0x130/0x360 [ 689.777282][ T73] netlink_unicast+0x449/0x710 [ 689.777282][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.777282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.777282][ T73] ___sys_sendmsg+0xee/0x170 [ 689.777282][ T73] __sys_sendmsg+0xcd/0x170 [ 689.777282][ T73] do_syscall_64+0xc6/0x1e0 [ 689.777282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.777282][ T73] [ 689.779267][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 689.779559][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 689.779559][ T73] netdev_get_by_index+0x5e/0x80 [ 689.779559][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.779559][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.779559][ T73] addrconf_f6i_alloc+0x265/0x560 [ 689.779559][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 689.779559][ T73] addrconf_join_anycast+0x1c0/0x220 [ 689.779559][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 689.779559][ T73] addrconf_dad_completed+0x12b/0xe20 [ 689.779559][ T73] addrconf_dad_begin+0x310/0x670 [ 689.779559][ T73] addrconf_dad_work+0x10b/0xab0 [ 689.779559][ T73] process_one_work+0x84d/0x18a0 [ 689.779559][ T73] worker_thread+0x587/0xd30 [ 689.779559][ T73] kthread+0x28a/0x350 [ 689.779559][ T73] ret_from_fork+0x31/0x70 [ 689.779559][ T73] ret_from_fork_asm+0x1a/0x30 [ 689.779559][ T73] [ 689.781915][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 689.781915][ T73] netdev_get_by_index+0x5e/0x80 [ 689.781915][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.781915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.781915][ T73] ip6_route_add+0x1c/0x140 [ 689.781915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 689.781915][ T73] inet6_addr_add+0x4f8/0xa40 [ 689.781915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.781915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.781915][ T73] netlink_rcv_skb+0x130/0x360 [ 689.781915][ T73] netlink_unicast+0x449/0x710 [ 689.781915][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.781915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.781915][ T73] ___sys_sendmsg+0xee/0x170 [ 689.781915][ T73] __sys_sendmsg+0xcd/0x170 [ 689.781915][ T73] do_syscall_64+0xc6/0x1e0 [ 689.781915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.781915][ T73] [ 689.784336][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 689.784336][ T73] netdev_get_by_index+0x5e/0x80 [ 689.784336][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.784336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.784336][ T73] addrconf_f6i_alloc+0x315/0x560 [ 689.784336][ T73] ipv6_add_addr+0x411/0x2000 [ 689.784336][ T73] inet6_addr_add+0x30e/0xa40 [ 689.784336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.784336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.784336][ T73] netlink_rcv_skb+0x130/0x360 [ 689.784336][ T73] netlink_unicast+0x449/0x710 [ 689.784336][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.784336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.784336][ T73] ___sys_sendmsg+0xee/0x170 [ 689.784336][ T73] __sys_sendmsg+0xcd/0x170 [ 689.784336][ T73] do_syscall_64+0xc6/0x1e0 [ 689.784336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.784336][ T73] [ 689.786897][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 689.786897][ T73] netdev_get_by_index+0x5e/0x80 [ 689.786897][ T73] fib6_nh_init+0x3d8/0x1580 [ 689.786897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 689.786897][ T73] ip6_route_add+0x1c/0x140 [ 689.786897][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 689.786897][ T73] addrconf_add_dev+0xe2/0x170 [ 689.786897][ T73] inet6_addr_add+0x12f/0xa40 [ 689.786897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 689.786897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.786897][ T73] netlink_rcv_skb+0x130/0x360 [ 689.786897][ T73] netlink_unicast+0x449/0x710 [ 689.786897][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.786897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.786897][ T73] ___sys_sendmsg+0xee/0x170 [ 689.786897][ T73] __sys_sendmsg+0xcd/0x170 [ 689.786897][ T73] do_syscall_64+0xc6/0x1e0 [ 689.786897][ T73] [ 689.789234][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 689.789234][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 689.789234][ T73] ipv6_find_idev+0x102/0x170 [ 689.789234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.789234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.789234][ T73] netlink_rcv_skb+0x130/0x360 [ 689.789234][ T73] netlink_unicast+0x449/0x710 [ 689.789234][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.789234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.789234][ T73] ___sys_sendmsg+0xee/0x170 [ 689.789234][ T73] __sys_sendmsg+0xcd/0x170 [ 689.789234][ T73] do_syscall_64+0xc6/0x1e0 [ 689.789234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.789234][ T73] [ 689.791101][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 689.791101][ T73] neigh_parms_alloc+0x1e5/0x510 [ 689.791101][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 689.791101][ T73] ipv6_find_idev+0x102/0x170 [ 689.791101][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.791101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.791101][ T73] netlink_rcv_skb+0x130/0x360 [ 689.791101][ T73] netlink_unicast+0x449/0x710 [ 689.791101][ T73] netlink_sendmsg+0x723/0xbe0 [ 689.791101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 689.791101][ T73] ___sys_sendmsg+0xee/0x170 [ 689.791101][ T73] __sys_sendmsg+0xcd/0x170 [ 689.791101][ T73] do_syscall_64+0xc6/0x1e0 [ 689.791101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.791101][ T73] [ 700.030907][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 700.031456][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.031456][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 700.031456][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 700.031456][ T73] fib6_nh_init+0xa22/0x1580 [ 700.031456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.031456][ T73] ip6_route_add+0x1c/0x140 [ 700.031456][ T73] inet6_rtm_newroute+0x104/0x110 [ 700.031456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.031456][ T73] netlink_rcv_skb+0x130/0x360 [ 700.031456][ T73] netlink_unicast+0x449/0x710 [ 700.031456][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.031456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.031456][ T73] ___sys_sendmsg+0xee/0x170 [ 700.031456][ T73] __sys_sendmsg+0xcd/0x170 [ 700.031456][ T73] do_syscall_64+0xc6/0x1e0 [ 700.031456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.031456][ T73] [ 700.033775][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.033775][ T73] dst_init+0x84/0x4a0 [ 700.033775][ T73] dst_alloc+0x97/0x150 [ 700.033775][ T73] ip6_dst_alloc+0x23/0x90 [ 700.033775][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 700.033775][ T73] ip6_pol_route+0x56f/0x840 [ 700.033775][ T73] fib6_rule_lookup+0x456/0x630 [ 700.033775][ T73] ip6_route_input+0x59c/0xa50 [ 700.033775][ T73] ipv6_rcv+0x397/0x810 [ 700.033775][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 700.033775][ T73] process_backlog+0x101/0x620 [ 700.033775][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 700.033775][ T73] net_rx_action+0x495/0xbe0 [ 700.033775][ T73] __do_softirq+0x1b5/0x7f6 [ 700.033775][ T73] [ 700.035792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.035792][ T73] netdev_get_by_index+0x5e/0x80 [ 700.035792][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.035792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.035792][ T73] ip6_route_add+0x1c/0x140 [ 700.035792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 700.035792][ T73] inet6_addr_add+0x4f8/0xa40 [ 700.035792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.035792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.035792][ T73] netlink_rcv_skb+0x130/0x360 [ 700.035792][ T73] netlink_unicast+0x449/0x710 [ 700.035792][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.035792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.035792][ T73] ___sys_sendmsg+0xee/0x170 [ 700.035792][ T73] __sys_sendmsg+0xcd/0x170 [ 700.035792][ T73] do_syscall_64+0xc6/0x1e0 [ 700.035792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.035792][ T73] [ 700.038296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.038296][ T73] netdev_get_by_index+0x5e/0x80 [ 700.038296][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.038296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.038296][ T73] addrconf_f6i_alloc+0x315/0x560 [ 700.038296][ T73] ipv6_add_addr+0x411/0x2000 [ 700.038296][ T73] inet6_addr_add+0x30e/0xa40 [ 700.038296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.038296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.038296][ T73] netlink_rcv_skb+0x130/0x360 [ 700.038296][ T73] netlink_unicast+0x449/0x710 [ 700.038296][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.038296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.038296][ T73] ___sys_sendmsg+0xee/0x170 [ 700.038296][ T73] __sys_sendmsg+0xcd/0x170 [ 700.038296][ T73] do_syscall_64+0xc6/0x1e0 [ 700.038296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.038296][ T73] [ 700.040760][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.040760][ T73] netdev_get_by_index+0x5e/0x80 [ 700.040760][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.040760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.040760][ T73] ip6_route_add+0x1c/0x140 [ 700.040760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 700.040760][ T73] addrconf_add_dev+0xe2/0x170 [ 700.040760][ T73] inet6_addr_add+0x12f/0xa40 [ 700.040760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.040760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.040760][ T73] netlink_rcv_skb+0x130/0x360 [ 700.040760][ T73] netlink_unicast+0x449/0x710 [ 700.040760][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.040760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.040760][ T73] ___sys_sendmsg+0xee/0x170 [ 700.040760][ T73] __sys_sendmsg+0xcd/0x170 [ 700.040760][ T73] do_syscall_64+0xc6/0x1e0 [ 700.040760][ T73] [ 700.043613][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.043613][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 700.043613][ T73] ipv6_find_idev+0x102/0x170 [ 700.043613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.043613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.043613][ T73] netlink_rcv_skb+0x130/0x360 [ 700.043613][ T73] netlink_unicast+0x449/0x710 [ 700.043613][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.043613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.043613][ T73] ___sys_sendmsg+0xee/0x170 [ 700.043613][ T73] __sys_sendmsg+0xcd/0x170 [ 700.043613][ T73] do_syscall_64+0xc6/0x1e0 [ 700.043613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.043613][ T73] [ 700.045500][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 700.045500][ T73] neigh_parms_alloc+0x1e5/0x510 [ 700.045500][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 700.045500][ T73] ipv6_find_idev+0x102/0x170 [ 700.045500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.045500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.045500][ T73] netlink_rcv_skb+0x130/0x360 [ 700.045500][ T73] netlink_unicast+0x449/0x710 [ 700.045500][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.045500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.045500][ T73] ___sys_sendmsg+0xee/0x170 [ 700.045500][ T73] __sys_sendmsg+0xcd/0x170 [ 700.045500][ T73] do_syscall_64+0xc6/0x1e0 [ 700.045500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.045500][ T73] [ 700.047601][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 700.047963][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.047963][ T73] dst_init+0x84/0x4a0 [ 700.047963][ T73] dst_alloc+0x97/0x150 [ 700.047963][ T73] ip6_dst_alloc+0x23/0x90 [ 700.047963][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 700.047963][ T73] ip6_pol_route+0x56f/0x840 [ 700.047963][ T73] fib6_rule_lookup+0x456/0x630 [ 700.047963][ T73] ip6_route_input+0x59c/0xa50 [ 700.047963][ T73] ipv6_rcv+0x397/0x810 [ 700.047963][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 700.047963][ T73] process_backlog+0x101/0x620 [ 700.047963][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 700.047963][ T73] net_rx_action+0x495/0xbe0 [ 700.047963][ T73] __do_softirq+0x1b5/0x7f6 [ 700.047963][ T73] [ 700.049970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.049970][ T73] netdev_get_by_index+0x5e/0x80 [ 700.049970][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.049970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.049970][ T73] addrconf_f6i_alloc+0x265/0x560 [ 700.049970][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 700.049970][ T73] addrconf_join_anycast+0x1c0/0x220 [ 700.049970][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 700.049970][ T73] addrconf_dad_completed+0x12b/0xe20 [ 700.049970][ T73] addrconf_dad_begin+0x310/0x670 [ 700.049970][ T73] addrconf_dad_work+0x10b/0xab0 [ 700.049970][ T73] process_one_work+0x84d/0x18a0 [ 700.049970][ T73] worker_thread+0x587/0xd30 [ 700.049970][ T73] kthread+0x28a/0x350 [ 700.049970][ T73] ret_from_fork+0x31/0x70 [ 700.049970][ T73] ret_from_fork_asm+0x1a/0x30 [ 700.049970][ T73] [ 700.052370][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.052370][ T73] netdev_get_by_index+0x5e/0x80 [ 700.052370][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.052370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.052370][ T73] ip6_route_add+0x1c/0x140 [ 700.052370][ T73] addrconf_prefix_route+0x2a6/0x430 [ 700.052370][ T73] inet6_addr_add+0x4f8/0xa40 [ 700.052370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.052370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.052370][ T73] netlink_rcv_skb+0x130/0x360 [ 700.052370][ T73] netlink_unicast+0x449/0x710 [ 700.052370][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.052370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.052370][ T73] ___sys_sendmsg+0xee/0x170 [ 700.052370][ T73] __sys_sendmsg+0xcd/0x170 [ 700.052370][ T73] do_syscall_64+0xc6/0x1e0 [ 700.052370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.052370][ T73] [ 700.054805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.054805][ T73] netdev_get_by_index+0x5e/0x80 [ 700.054805][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.054805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.054805][ T73] addrconf_f6i_alloc+0x315/0x560 [ 700.054805][ T73] ipv6_add_addr+0x411/0x2000 [ 700.054805][ T73] inet6_addr_add+0x30e/0xa40 [ 700.054805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.054805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.054805][ T73] netlink_rcv_skb+0x130/0x360 [ 700.054805][ T73] netlink_unicast+0x449/0x710 [ 700.054805][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.054805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.054805][ T73] ___sys_sendmsg+0xee/0x170 [ 700.054805][ T73] __sys_sendmsg+0xcd/0x170 [ 700.054805][ T73] do_syscall_64+0xc6/0x1e0 [ 700.054805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.054805][ T73] [ 700.057253][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.057253][ T73] netdev_get_by_index+0x5e/0x80 [ 700.057253][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.057253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.057253][ T73] ip6_route_add+0x1c/0x140 [ 700.057253][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 700.057253][ T73] addrconf_add_dev+0xe2/0x170 [ 700.057253][ T73] inet6_addr_add+0x12f/0xa40 [ 700.057253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.057253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.057253][ T73] netlink_rcv_skb+0x130/0x360 [ 700.057253][ T73] netlink_unicast+0x449/0x710 [ 700.057253][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.057253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.057253][ T73] ___sys_sendmsg+0xee/0x170 [ 700.057253][ T73] __sys_sendmsg+0xcd/0x170 [ 700.057253][ T73] do_syscall_64+0xc6/0x1e0 [ 700.057253][ T73] [ 700.059751][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.059751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 700.059751][ T73] ipv6_find_idev+0x102/0x170 [ 700.059751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.059751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.059751][ T73] netlink_rcv_skb+0x130/0x360 [ 700.059751][ T73] netlink_unicast+0x449/0x710 [ 700.059751][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.059751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.059751][ T73] ___sys_sendmsg+0xee/0x170 [ 700.059751][ T73] __sys_sendmsg+0xcd/0x170 [ 700.059751][ T73] do_syscall_64+0xc6/0x1e0 [ 700.059751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.059751][ T73] [ 700.061627][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 700.061627][ T73] neigh_parms_alloc+0x1e5/0x510 [ 700.061627][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 700.061627][ T73] ipv6_find_idev+0x102/0x170 [ 700.061627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.061627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.061627][ T73] netlink_rcv_skb+0x130/0x360 [ 700.061627][ T73] netlink_unicast+0x449/0x710 [ 700.061627][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.061627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.061627][ T73] ___sys_sendmsg+0xee/0x170 [ 700.061627][ T73] __sys_sendmsg+0xcd/0x170 [ 700.061627][ T73] do_syscall_64+0xc6/0x1e0 [ 700.061627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.061627][ T73] [ 700.063882][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 700.064236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.064236][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 700.064236][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 700.064236][ T73] fib6_nh_init+0xa22/0x1580 [ 700.064236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.064236][ T73] ip6_route_add+0x1c/0x140 [ 700.064236][ T73] inet6_rtm_newroute+0x104/0x110 [ 700.064236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.064236][ T73] netlink_rcv_skb+0x130/0x360 [ 700.064236][ T73] netlink_unicast+0x449/0x710 [ 700.064236][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.064236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.064236][ T73] ___sys_sendmsg+0xee/0x170 [ 700.064236][ T73] __sys_sendmsg+0xcd/0x170 [ 700.064236][ T73] do_syscall_64+0xc6/0x1e0 [ 700.064236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.064236][ T73] [ 700.066954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.066954][ T73] dst_init+0x84/0x4a0 [ 700.066954][ T73] dst_alloc+0x97/0x150 [ 700.066954][ T73] ip6_dst_alloc+0x23/0x90 [ 700.066954][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 700.066954][ T73] ip6_pol_route+0x56f/0x840 [ 700.066954][ T73] fib6_rule_lookup+0x456/0x630 [ 700.066954][ T73] ip6_route_input+0x59c/0xa50 [ 700.066954][ T73] ipv6_rcv+0x397/0x810 [ 700.066954][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 700.066954][ T73] process_backlog+0x101/0x620 [ 700.066954][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 700.066954][ T73] net_rx_action+0x495/0xbe0 [ 700.066954][ T73] __do_softirq+0x1b5/0x7f6 [ 700.066954][ T73] [ 700.069202][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.069202][ T73] netdev_get_by_index+0x5e/0x80 [ 700.069202][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.069202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.069202][ T73] ip6_route_add+0x1c/0x140 [ 700.069202][ T73] addrconf_prefix_route+0x2a6/0x430 [ 700.069202][ T73] inet6_addr_add+0x4f8/0xa40 [ 700.069202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.069202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.069202][ T73] netlink_rcv_skb+0x130/0x360 [ 700.069202][ T73] netlink_unicast+0x449/0x710 [ 700.069202][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.069202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.069202][ T73] ___sys_sendmsg+0xee/0x170 [ 700.069202][ T73] __sys_sendmsg+0xcd/0x170 [ 700.069202][ T73] do_syscall_64+0xc6/0x1e0 [ 700.069202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.069202][ T73] [ 700.071962][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.071962][ T73] netdev_get_by_index+0x5e/0x80 [ 700.071962][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.071962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.071962][ T73] addrconf_f6i_alloc+0x315/0x560 [ 700.071962][ T73] ipv6_add_addr+0x411/0x2000 [ 700.071962][ T73] inet6_addr_add+0x30e/0xa40 [ 700.071962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.071962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.071962][ T73] netlink_rcv_skb+0x130/0x360 [ 700.071962][ T73] netlink_unicast+0x449/0x710 [ 700.071962][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.071962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.071962][ T73] ___sys_sendmsg+0xee/0x170 [ 700.071962][ T73] __sys_sendmsg+0xcd/0x170 [ 700.071962][ T73] do_syscall_64+0xc6/0x1e0 [ 700.071962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.071962][ T73] [ 700.074651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.074651][ T73] netdev_get_by_index+0x5e/0x80 [ 700.074651][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.074651][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.074651][ T73] ip6_route_add+0x1c/0x140 [ 700.074651][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 700.074651][ T73] addrconf_add_dev+0xe2/0x170 [ 700.074651][ T73] inet6_addr_add+0x12f/0xa40 [ 700.074651][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.074651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.074651][ T73] netlink_rcv_skb+0x130/0x360 [ 700.074651][ T73] netlink_unicast+0x449/0x710 [ 700.074651][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.074651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.074651][ T73] ___sys_sendmsg+0xee/0x170 [ 700.074651][ T73] __sys_sendmsg+0xcd/0x170 [ 700.074651][ T73] do_syscall_64+0xc6/0x1e0 [ 700.074651][ T73] [ 700.077455][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.077455][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 700.077455][ T73] ipv6_find_idev+0x102/0x170 [ 700.077455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.077455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.077455][ T73] netlink_rcv_skb+0x130/0x360 [ 700.077455][ T73] netlink_unicast+0x449/0x710 [ 700.077455][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.077455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.077455][ T73] ___sys_sendmsg+0xee/0x170 [ 700.077455][ T73] __sys_sendmsg+0xcd/0x170 [ 700.077455][ T73] do_syscall_64+0xc6/0x1e0 [ 700.077455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.077455][ T73] [ 700.079576][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 700.079576][ T73] neigh_parms_alloc+0x1e5/0x510 [ 700.079576][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 700.079576][ T73] ipv6_find_idev+0x102/0x170 [ 700.079576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.079576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.079576][ T73] netlink_rcv_skb+0x130/0x360 [ 700.079576][ T73] netlink_unicast+0x449/0x710 [ 700.079576][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.079576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.079576][ T73] ___sys_sendmsg+0xee/0x170 [ 700.079576][ T73] __sys_sendmsg+0xcd/0x170 [ 700.079576][ T73] do_syscall_64+0xc6/0x1e0 [ 700.079576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.079576][ T73] [ 700.081939][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 700.082292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 700.082292][ T73] netdev_get_by_index+0x5e/0x80 [ 700.082292][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.082292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.082292][ T73] addrconf_f6i_alloc+0x265/0x560 [ 700.082292][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 700.082292][ T73] addrconf_join_anycast+0x1c0/0x220 [ 700.082292][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 700.082292][ T73] addrconf_dad_completed+0x12b/0xe20 [ 700.082292][ T73] addrconf_dad_begin+0x310/0x670 [ 700.082292][ T73] addrconf_dad_work+0x10b/0xab0 [ 700.082292][ T73] process_one_work+0x84d/0x18a0 [ 700.082292][ T73] worker_thread+0x587/0xd30 [ 700.082292][ T73] kthread+0x28a/0x350 [ 700.082292][ T73] ret_from_fork+0x31/0x70 [ 700.082292][ T73] ret_from_fork_asm+0x1a/0x30 [ 700.082292][ T73] [ 700.084961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 700.084961][ T73] netdev_get_by_index+0x5e/0x80 [ 700.084961][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.084961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.084961][ T73] ip6_route_add+0x1c/0x140 [ 700.084961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 700.084961][ T73] inet6_addr_add+0x4f8/0xa40 [ 700.084961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.084961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.084961][ T73] netlink_rcv_skb+0x130/0x360 [ 700.084961][ T73] netlink_unicast+0x449/0x710 [ 700.084961][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.084961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.084961][ T73] ___sys_sendmsg+0xee/0x170 [ 700.084961][ T73] __sys_sendmsg+0xcd/0x170 [ 700.084961][ T73] do_syscall_64+0xc6/0x1e0 [ 700.084961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.084961][ T73] [ 700.087744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 700.087744][ T73] netdev_get_by_index+0x5e/0x80 [ 700.087744][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.087744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.087744][ T73] addrconf_f6i_alloc+0x315/0x560 [ 700.087744][ T73] ipv6_add_addr+0x411/0x2000 [ 700.087744][ T73] inet6_addr_add+0x30e/0xa40 [ 700.087744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.087744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.087744][ T73] netlink_rcv_skb+0x130/0x360 [ 700.087744][ T73] netlink_unicast+0x449/0x710 [ 700.087744][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.087744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.087744][ T73] ___sys_sendmsg+0xee/0x170 [ 700.087744][ T73] __sys_sendmsg+0xcd/0x170 [ 700.087744][ T73] do_syscall_64+0xc6/0x1e0 [ 700.087744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.087744][ T73] [ 700.090606][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 700.090606][ T73] netdev_get_by_index+0x5e/0x80 [ 700.090606][ T73] fib6_nh_init+0x3d8/0x1580 [ 700.090606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 700.090606][ T73] ip6_route_add+0x1c/0x140 [ 700.090606][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 700.090606][ T73] addrconf_add_dev+0xe2/0x170 [ 700.090606][ T73] inet6_addr_add+0x12f/0xa40 [ 700.090606][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 700.090606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.090606][ T73] netlink_rcv_skb+0x130/0x360 [ 700.090606][ T73] netlink_unicast+0x449/0x710 [ 700.090606][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.090606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.090606][ T73] ___sys_sendmsg+0xee/0x170 [ 700.090606][ T73] __sys_sendmsg+0xcd/0x170 [ 700.090606][ T73] do_syscall_64+0xc6/0x1e0 [ 700.090606][ T73] [ 700.093262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 700.093262][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 700.093262][ T73] ipv6_find_idev+0x102/0x170 [ 700.093262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.093262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.093262][ T73] netlink_rcv_skb+0x130/0x360 [ 700.093262][ T73] netlink_unicast+0x449/0x710 [ 700.093262][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.093262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.093262][ T73] ___sys_sendmsg+0xee/0x170 [ 700.093262][ T73] __sys_sendmsg+0xcd/0x170 [ 700.093262][ T73] do_syscall_64+0xc6/0x1e0 [ 700.093262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.093262][ T73] [ 700.095387][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 700.095387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 700.095387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 700.095387][ T73] ipv6_find_idev+0x102/0x170 [ 700.095387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.095387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.095387][ T73] netlink_rcv_skb+0x130/0x360 [ 700.095387][ T73] netlink_unicast+0x449/0x710 [ 700.095387][ T73] netlink_sendmsg+0x723/0xbe0 [ 700.095387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 700.095387][ T73] ___sys_sendmsg+0xee/0x170 [ 700.095387][ T73] __sys_sendmsg+0xcd/0x170 [ 700.095387][ T73] do_syscall_64+0xc6/0x1e0 [ 700.095387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.095387][ T73] [ 710.191004][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 710.191470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.191470][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 710.191470][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 710.191470][ T73] fib6_nh_init+0xa22/0x1580 [ 710.191470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.191470][ T73] ip6_route_add+0x1c/0x140 [ 710.191470][ T73] inet6_rtm_newroute+0x104/0x110 [ 710.191470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.191470][ T73] netlink_rcv_skb+0x130/0x360 [ 710.191470][ T73] netlink_unicast+0x449/0x710 [ 710.191470][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.191470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.191470][ T73] ___sys_sendmsg+0xee/0x170 [ 710.191470][ T73] __sys_sendmsg+0xcd/0x170 [ 710.191470][ T73] do_syscall_64+0xc6/0x1e0 [ 710.191470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.191470][ T73] [ 710.193362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.193362][ T73] dst_init+0x84/0x4a0 [ 710.193362][ T73] dst_alloc+0x97/0x150 [ 710.193362][ T73] ip6_dst_alloc+0x23/0x90 [ 710.193362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 710.193362][ T73] ip6_pol_route+0x56f/0x840 [ 710.193362][ T73] fib6_rule_lookup+0x456/0x630 [ 710.193362][ T73] ip6_route_input+0x59c/0xa50 [ 710.193362][ T73] ipv6_rcv+0x397/0x810 [ 710.193362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 710.193362][ T73] process_backlog+0x101/0x620 [ 710.193362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 710.193362][ T73] net_rx_action+0x495/0xbe0 [ 710.193362][ T73] __do_softirq+0x1b5/0x7f6 [ 710.193362][ T73] [ 710.194989][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.194989][ T73] netdev_get_by_index+0x5e/0x80 [ 710.194989][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.194989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.194989][ T73] ip6_route_add+0x1c/0x140 [ 710.194989][ T73] addrconf_prefix_route+0x2a6/0x430 [ 710.194989][ T73] inet6_addr_add+0x4f8/0xa40 [ 710.194989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.194989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.194989][ T73] netlink_rcv_skb+0x130/0x360 [ 710.194989][ T73] netlink_unicast+0x449/0x710 [ 710.194989][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.194989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.194989][ T73] ___sys_sendmsg+0xee/0x170 [ 710.194989][ T73] __sys_sendmsg+0xcd/0x170 [ 710.194989][ T73] do_syscall_64+0xc6/0x1e0 [ 710.194989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.194989][ T73] [ 710.196970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.196970][ T73] netdev_get_by_index+0x5e/0x80 [ 710.196970][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.196970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.196970][ T73] addrconf_f6i_alloc+0x315/0x560 [ 710.196970][ T73] ipv6_add_addr+0x411/0x2000 [ 710.196970][ T73] inet6_addr_add+0x30e/0xa40 [ 710.196970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.196970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.196970][ T73] netlink_rcv_skb+0x130/0x360 [ 710.196970][ T73] netlink_unicast+0x449/0x710 [ 710.196970][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.196970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.196970][ T73] ___sys_sendmsg+0xee/0x170 [ 710.196970][ T73] __sys_sendmsg+0xcd/0x170 [ 710.196970][ T73] do_syscall_64+0xc6/0x1e0 [ 710.196970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.196970][ T73] [ 710.198970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.198970][ T73] netdev_get_by_index+0x5e/0x80 [ 710.198970][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.198970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.198970][ T73] ip6_route_add+0x1c/0x140 [ 710.198970][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 710.198970][ T73] addrconf_add_dev+0xe2/0x170 [ 710.198970][ T73] inet6_addr_add+0x12f/0xa40 [ 710.198970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.198970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.198970][ T73] netlink_rcv_skb+0x130/0x360 [ 710.198970][ T73] netlink_unicast+0x449/0x710 [ 710.198970][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.198970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.198970][ T73] ___sys_sendmsg+0xee/0x170 [ 710.198970][ T73] __sys_sendmsg+0xcd/0x170 [ 710.198970][ T73] do_syscall_64+0xc6/0x1e0 [ 710.198970][ T73] [ 710.200924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.200924][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 710.200924][ T73] ipv6_find_idev+0x102/0x170 [ 710.200924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.200924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.200924][ T73] netlink_rcv_skb+0x130/0x360 [ 710.200924][ T73] netlink_unicast+0x449/0x710 [ 710.200924][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.200924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.200924][ T73] ___sys_sendmsg+0xee/0x170 [ 710.200924][ T73] __sys_sendmsg+0xcd/0x170 [ 710.200924][ T73] do_syscall_64+0xc6/0x1e0 [ 710.200924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.200924][ T73] [ 710.202454][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 710.202454][ T73] neigh_parms_alloc+0x1e5/0x510 [ 710.202454][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 710.202454][ T73] ipv6_find_idev+0x102/0x170 [ 710.202454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.202454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.202454][ T73] netlink_rcv_skb+0x130/0x360 [ 710.202454][ T73] netlink_unicast+0x449/0x710 [ 710.202454][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.202454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.202454][ T73] ___sys_sendmsg+0xee/0x170 [ 710.202454][ T73] __sys_sendmsg+0xcd/0x170 [ 710.202454][ T73] do_syscall_64+0xc6/0x1e0 [ 710.202454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.202454][ T73] [ 710.204163][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 710.204444][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.204444][ T73] dst_init+0x84/0x4a0 [ 710.204444][ T73] dst_alloc+0x97/0x150 [ 710.204444][ T73] ip6_dst_alloc+0x23/0x90 [ 710.204444][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 710.204444][ T73] ip6_pol_route+0x56f/0x840 [ 710.204444][ T73] fib6_rule_lookup+0x456/0x630 [ 710.204444][ T73] ip6_route_input+0x59c/0xa50 [ 710.204444][ T73] ipv6_rcv+0x397/0x810 [ 710.204444][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 710.204444][ T73] process_backlog+0x101/0x620 [ 710.204444][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 710.204444][ T73] net_rx_action+0x495/0xbe0 [ 710.204444][ T73] __do_softirq+0x1b5/0x7f6 [ 710.204444][ T73] [ 710.206069][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.206069][ T73] netdev_get_by_index+0x5e/0x80 [ 710.206069][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.206069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.206069][ T73] addrconf_f6i_alloc+0x265/0x560 [ 710.206069][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 710.206069][ T73] addrconf_join_anycast+0x1c0/0x220 [ 710.206069][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 710.206069][ T73] addrconf_dad_completed+0x12b/0xe20 [ 710.206069][ T73] addrconf_dad_begin+0x310/0x670 [ 710.206069][ T73] addrconf_dad_work+0x10b/0xab0 [ 710.206069][ T73] process_one_work+0x84d/0x18a0 [ 710.206069][ T73] worker_thread+0x587/0xd30 [ 710.206069][ T73] kthread+0x28a/0x350 [ 710.206069][ T73] ret_from_fork+0x31/0x70 [ 710.206069][ T73] ret_from_fork_asm+0x1a/0x30 [ 710.206069][ T73] [ 710.207977][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.207977][ T73] netdev_get_by_index+0x5e/0x80 [ 710.207977][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.207977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.207977][ T73] ip6_route_add+0x1c/0x140 [ 710.207977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 710.207977][ T73] inet6_addr_add+0x4f8/0xa40 [ 710.207977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.207977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.207977][ T73] netlink_rcv_skb+0x130/0x360 [ 710.207977][ T73] netlink_unicast+0x449/0x710 [ 710.207977][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.207977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.207977][ T73] ___sys_sendmsg+0xee/0x170 [ 710.207977][ T73] __sys_sendmsg+0xcd/0x170 [ 710.207977][ T73] do_syscall_64+0xc6/0x1e0 [ 710.207977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.207977][ T73] [ 710.209956][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.209956][ T73] netdev_get_by_index+0x5e/0x80 [ 710.209956][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.209956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.209956][ T73] addrconf_f6i_alloc+0x315/0x560 [ 710.209956][ T73] ipv6_add_addr+0x411/0x2000 [ 710.209956][ T73] inet6_addr_add+0x30e/0xa40 [ 710.209956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.209956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.209956][ T73] netlink_rcv_skb+0x130/0x360 [ 710.209956][ T73] netlink_unicast+0x449/0x710 [ 710.209956][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.209956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.209956][ T73] ___sys_sendmsg+0xee/0x170 [ 710.209956][ T73] __sys_sendmsg+0xcd/0x170 [ 710.209956][ T73] do_syscall_64+0xc6/0x1e0 [ 710.209956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.209956][ T73] [ 710.211936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.211936][ T73] netdev_get_by_index+0x5e/0x80 [ 710.211936][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.211936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.211936][ T73] ip6_route_add+0x1c/0x140 [ 710.211936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 710.211936][ T73] addrconf_add_dev+0xe2/0x170 [ 710.211936][ T73] inet6_addr_add+0x12f/0xa40 [ 710.211936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.211936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.211936][ T73] netlink_rcv_skb+0x130/0x360 [ 710.211936][ T73] netlink_unicast+0x449/0x710 [ 710.211936][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.211936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.211936][ T73] ___sys_sendmsg+0xee/0x170 [ 710.211936][ T73] __sys_sendmsg+0xcd/0x170 [ 710.211936][ T73] do_syscall_64+0xc6/0x1e0 [ 710.211936][ T73] [ 710.213878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.213878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 710.213878][ T73] ipv6_find_idev+0x102/0x170 [ 710.213878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.213878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.213878][ T73] netlink_rcv_skb+0x130/0x360 [ 710.213878][ T73] netlink_unicast+0x449/0x710 [ 710.213878][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.213878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.213878][ T73] ___sys_sendmsg+0xee/0x170 [ 710.213878][ T73] __sys_sendmsg+0xcd/0x170 [ 710.213878][ T73] do_syscall_64+0xc6/0x1e0 [ 710.213878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.213878][ T73] [ 710.215964][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 710.215964][ T73] neigh_parms_alloc+0x1e5/0x510 [ 710.215964][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 710.215964][ T73] ipv6_find_idev+0x102/0x170 [ 710.215964][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.215964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.215964][ T73] netlink_rcv_skb+0x130/0x360 [ 710.215964][ T73] netlink_unicast+0x449/0x710 [ 710.215964][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.215964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.215964][ T73] ___sys_sendmsg+0xee/0x170 [ 710.215964][ T73] __sys_sendmsg+0xcd/0x170 [ 710.215964][ T73] do_syscall_64+0xc6/0x1e0 [ 710.215964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.215964][ T73] [ 710.218828][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 710.219250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.219250][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 710.219250][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 710.219250][ T73] fib6_nh_init+0xa22/0x1580 [ 710.219250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.219250][ T73] ip6_route_add+0x1c/0x140 [ 710.219250][ T73] inet6_rtm_newroute+0x104/0x110 [ 710.219250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.219250][ T73] netlink_rcv_skb+0x130/0x360 [ 710.219250][ T73] netlink_unicast+0x449/0x710 [ 710.219250][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.219250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.219250][ T73] ___sys_sendmsg+0xee/0x170 [ 710.219250][ T73] __sys_sendmsg+0xcd/0x170 [ 710.219250][ T73] do_syscall_64+0xc6/0x1e0 [ 710.219250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.219250][ T73] [ 710.222545][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.222545][ T73] dst_init+0x84/0x4a0 [ 710.222545][ T73] dst_alloc+0x97/0x150 [ 710.222545][ T73] ip6_dst_alloc+0x23/0x90 [ 710.222545][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 710.222545][ T73] ip6_pol_route+0x56f/0x840 [ 710.222545][ T73] fib6_rule_lookup+0x456/0x630 [ 710.222545][ T73] ip6_route_input+0x59c/0xa50 [ 710.222545][ T73] ipv6_rcv+0x397/0x810 [ 710.222545][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 710.222545][ T73] process_backlog+0x101/0x620 [ 710.222545][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 710.222545][ T73] net_rx_action+0x495/0xbe0 [ 710.222545][ T73] __do_softirq+0x1b5/0x7f6 [ 710.222545][ T73] [ 710.225312][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.225312][ T73] netdev_get_by_index+0x5e/0x80 [ 710.225312][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.225312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.225312][ T73] ip6_route_add+0x1c/0x140 [ 710.225312][ T73] addrconf_prefix_route+0x2a6/0x430 [ 710.225312][ T73] inet6_addr_add+0x4f8/0xa40 [ 710.225312][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.225312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.225312][ T73] netlink_rcv_skb+0x130/0x360 [ 710.225312][ T73] netlink_unicast+0x449/0x710 [ 710.225312][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.225312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.225312][ T73] ___sys_sendmsg+0xee/0x170 [ 710.225312][ T73] __sys_sendmsg+0xcd/0x170 [ 710.225312][ T73] do_syscall_64+0xc6/0x1e0 [ 710.225312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.225312][ T73] [ 710.228808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.228808][ T73] netdev_get_by_index+0x5e/0x80 [ 710.228808][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.228808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.228808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 710.228808][ T73] ipv6_add_addr+0x411/0x2000 [ 710.228808][ T73] inet6_addr_add+0x30e/0xa40 [ 710.228808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.228808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.228808][ T73] netlink_rcv_skb+0x130/0x360 [ 710.228808][ T73] netlink_unicast+0x449/0x710 [ 710.228808][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.228808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.228808][ T73] ___sys_sendmsg+0xee/0x170 [ 710.228808][ T73] __sys_sendmsg+0xcd/0x170 [ 710.228808][ T73] do_syscall_64+0xc6/0x1e0 [ 710.228808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.228808][ T73] [ 710.232245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.232245][ T73] netdev_get_by_index+0x5e/0x80 [ 710.232245][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.232245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.232245][ T73] ip6_route_add+0x1c/0x140 [ 710.232245][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 710.232245][ T73] addrconf_add_dev+0xe2/0x170 [ 710.232245][ T73] inet6_addr_add+0x12f/0xa40 [ 710.232245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.232245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.232245][ T73] netlink_rcv_skb+0x130/0x360 [ 710.232245][ T73] netlink_unicast+0x449/0x710 [ 710.232245][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.232245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.232245][ T73] ___sys_sendmsg+0xee/0x170 [ 710.232245][ T73] __sys_sendmsg+0xcd/0x170 [ 710.232245][ T73] do_syscall_64+0xc6/0x1e0 [ 710.232245][ T73] [ 710.235567][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.235567][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 710.235567][ T73] ipv6_find_idev+0x102/0x170 [ 710.235567][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.235567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.235567][ T73] netlink_rcv_skb+0x130/0x360 [ 710.235567][ T73] netlink_unicast+0x449/0x710 [ 710.235567][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.235567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.235567][ T73] ___sys_sendmsg+0xee/0x170 [ 710.235567][ T73] __sys_sendmsg+0xcd/0x170 [ 710.235567][ T73] do_syscall_64+0xc6/0x1e0 [ 710.235567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.235567][ T73] [ 710.238231][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 710.238231][ T73] neigh_parms_alloc+0x1e5/0x510 [ 710.238231][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 710.238231][ T73] ipv6_find_idev+0x102/0x170 [ 710.238231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.238231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.238231][ T73] netlink_rcv_skb+0x130/0x360 [ 710.238231][ T73] netlink_unicast+0x449/0x710 [ 710.238231][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.238231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.238231][ T73] ___sys_sendmsg+0xee/0x170 [ 710.238231][ T73] __sys_sendmsg+0xcd/0x170 [ 710.238231][ T73] do_syscall_64+0xc6/0x1e0 [ 710.238231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.238231][ T73] [ 710.241176][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 710.241599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 710.241599][ T73] netdev_get_by_index+0x5e/0x80 [ 710.241599][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.241599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.241599][ T73] addrconf_f6i_alloc+0x265/0x560 [ 710.241599][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 710.241599][ T73] addrconf_join_anycast+0x1c0/0x220 [ 710.241599][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 710.241599][ T73] addrconf_dad_completed+0x12b/0xe20 [ 710.241599][ T73] addrconf_dad_begin+0x310/0x670 [ 710.241599][ T73] addrconf_dad_work+0x10b/0xab0 [ 710.241599][ T73] process_one_work+0x84d/0x18a0 [ 710.241599][ T73] worker_thread+0x587/0xd30 [ 710.241599][ T73] kthread+0x28a/0x350 [ 710.241599][ T73] ret_from_fork+0x31/0x70 [ 710.241599][ T73] ret_from_fork_asm+0x1a/0x30 [ 710.241599][ T73] [ 710.244877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 710.244877][ T73] netdev_get_by_index+0x5e/0x80 [ 710.244877][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.244877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.244877][ T73] ip6_route_add+0x1c/0x140 [ 710.244877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 710.244877][ T73] inet6_addr_add+0x4f8/0xa40 [ 710.244877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.244877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.244877][ T73] netlink_rcv_skb+0x130/0x360 [ 710.244877][ T73] netlink_unicast+0x449/0x710 [ 710.244877][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.244877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.244877][ T73] ___sys_sendmsg+0xee/0x170 [ 710.244877][ T73] __sys_sendmsg+0xcd/0x170 [ 710.244877][ T73] do_syscall_64+0xc6/0x1e0 [ 710.244877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.244877][ T73] [ 710.248257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 710.248257][ T73] netdev_get_by_index+0x5e/0x80 [ 710.248257][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.248257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.248257][ T73] addrconf_f6i_alloc+0x315/0x560 [ 710.248257][ T73] ipv6_add_addr+0x411/0x2000 [ 710.248257][ T73] inet6_addr_add+0x30e/0xa40 [ 710.248257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.248257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.248257][ T73] netlink_rcv_skb+0x130/0x360 [ 710.248257][ T73] netlink_unicast+0x449/0x710 [ 710.248257][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.248257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.248257][ T73] ___sys_sendmsg+0xee/0x170 [ 710.248257][ T73] __sys_sendmsg+0xcd/0x170 [ 710.248257][ T73] do_syscall_64+0xc6/0x1e0 [ 710.248257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.248257][ T73] [ 710.251736][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 710.251736][ T73] netdev_get_by_index+0x5e/0x80 [ 710.251736][ T73] fib6_nh_init+0x3d8/0x1580 [ 710.251736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 710.251736][ T73] ip6_route_add+0x1c/0x140 [ 710.251736][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 710.251736][ T73] addrconf_add_dev+0xe2/0x170 [ 710.251736][ T73] inet6_addr_add+0x12f/0xa40 [ 710.251736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 710.251736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.251736][ T73] netlink_rcv_skb+0x130/0x360 [ 710.251736][ T73] netlink_unicast+0x449/0x710 [ 710.251736][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.251736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.251736][ T73] ___sys_sendmsg+0xee/0x170 [ 710.251736][ T73] __sys_sendmsg+0xcd/0x170 [ 710.251736][ T73] do_syscall_64+0xc6/0x1e0 [ 710.251736][ T73] [ 710.254920][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 710.254920][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 710.254920][ T73] ipv6_find_idev+0x102/0x170 [ 710.254920][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.254920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.254920][ T73] netlink_rcv_skb+0x130/0x360 [ 710.254920][ T73] netlink_unicast+0x449/0x710 [ 710.254920][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.254920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.254920][ T73] ___sys_sendmsg+0xee/0x170 [ 710.254920][ T73] __sys_sendmsg+0xcd/0x170 [ 710.254920][ T73] do_syscall_64+0xc6/0x1e0 [ 710.254920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.254920][ T73] [ 710.257554][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 710.257554][ T73] neigh_parms_alloc+0x1e5/0x510 [ 710.257554][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 710.257554][ T73] ipv6_find_idev+0x102/0x170 [ 710.257554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.257554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.257554][ T73] netlink_rcv_skb+0x130/0x360 [ 710.257554][ T73] netlink_unicast+0x449/0x710 [ 710.257554][ T73] netlink_sendmsg+0x723/0xbe0 [ 710.257554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 710.257554][ T73] ___sys_sendmsg+0xee/0x170 [ 710.257554][ T73] __sys_sendmsg+0xcd/0x170 [ 710.257554][ T73] do_syscall_64+0xc6/0x1e0 [ 710.257554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.257554][ T73] [ 720.262896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 720.263427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.263427][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 720.263427][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 720.263427][ T73] fib6_nh_init+0xa22/0x1580 [ 720.263427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.263427][ T73] ip6_route_add+0x1c/0x140 [ 720.263427][ T73] inet6_rtm_newroute+0x104/0x110 [ 720.263427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.263427][ T73] netlink_rcv_skb+0x130/0x360 [ 720.263427][ T73] netlink_unicast+0x449/0x710 [ 720.263427][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.263427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.263427][ T73] ___sys_sendmsg+0xee/0x170 [ 720.263427][ T73] __sys_sendmsg+0xcd/0x170 [ 720.263427][ T73] do_syscall_64+0xc6/0x1e0 [ 720.263427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.263427][ T73] [ 720.265542][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.265542][ T73] dst_init+0x84/0x4a0 [ 720.265542][ T73] dst_alloc+0x97/0x150 [ 720.265542][ T73] ip6_dst_alloc+0x23/0x90 [ 720.265542][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 720.265542][ T73] ip6_pol_route+0x56f/0x840 [ 720.265542][ T73] fib6_rule_lookup+0x456/0x630 [ 720.265542][ T73] ip6_route_input+0x59c/0xa50 [ 720.265542][ T73] ipv6_rcv+0x397/0x810 [ 720.265542][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 720.265542][ T73] process_backlog+0x101/0x620 [ 720.265542][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 720.265542][ T73] net_rx_action+0x495/0xbe0 [ 720.265542][ T73] __do_softirq+0x1b5/0x7f6 [ 720.265542][ T73] [ 720.267338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.267338][ T73] netdev_get_by_index+0x5e/0x80 [ 720.267338][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.267338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.267338][ T73] ip6_route_add+0x1c/0x140 [ 720.267338][ T73] addrconf_prefix_route+0x2a6/0x430 [ 720.267338][ T73] inet6_addr_add+0x4f8/0xa40 [ 720.267338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.267338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.267338][ T73] netlink_rcv_skb+0x130/0x360 [ 720.267338][ T73] netlink_unicast+0x449/0x710 [ 720.267338][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.267338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.267338][ T73] ___sys_sendmsg+0xee/0x170 [ 720.267338][ T73] __sys_sendmsg+0xcd/0x170 [ 720.267338][ T73] do_syscall_64+0xc6/0x1e0 [ 720.267338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.267338][ T73] [ 720.269400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.269400][ T73] netdev_get_by_index+0x5e/0x80 [ 720.269400][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.269400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.269400][ T73] addrconf_f6i_alloc+0x315/0x560 [ 720.269400][ T73] ipv6_add_addr+0x411/0x2000 [ 720.269400][ T73] inet6_addr_add+0x30e/0xa40 [ 720.269400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.269400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.269400][ T73] netlink_rcv_skb+0x130/0x360 [ 720.269400][ T73] netlink_unicast+0x449/0x710 [ 720.269400][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.269400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.269400][ T73] ___sys_sendmsg+0xee/0x170 [ 720.269400][ T73] __sys_sendmsg+0xcd/0x170 [ 720.269400][ T73] do_syscall_64+0xc6/0x1e0 [ 720.269400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.269400][ T73] [ 720.271975][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.271975][ T73] netdev_get_by_index+0x5e/0x80 [ 720.271975][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.271975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.271975][ T73] ip6_route_add+0x1c/0x140 [ 720.271975][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 720.271975][ T73] addrconf_add_dev+0xe2/0x170 [ 720.271975][ T73] inet6_addr_add+0x12f/0xa40 [ 720.271975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.271975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.271975][ T73] netlink_rcv_skb+0x130/0x360 [ 720.271975][ T73] netlink_unicast+0x449/0x710 [ 720.271975][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.271975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.271975][ T73] ___sys_sendmsg+0xee/0x170 [ 720.271975][ T73] __sys_sendmsg+0xcd/0x170 [ 720.271975][ T73] do_syscall_64+0xc6/0x1e0 [ 720.271975][ T73] [ 720.274158][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.274158][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 720.274158][ T73] ipv6_find_idev+0x102/0x170 [ 720.274158][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.274158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.274158][ T73] netlink_rcv_skb+0x130/0x360 [ 720.274158][ T73] netlink_unicast+0x449/0x710 [ 720.274158][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.274158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.274158][ T73] ___sys_sendmsg+0xee/0x170 [ 720.274158][ T73] __sys_sendmsg+0xcd/0x170 [ 720.274158][ T73] do_syscall_64+0xc6/0x1e0 [ 720.274158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.274158][ T73] [ 720.275871][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 720.275871][ T73] neigh_parms_alloc+0x1e5/0x510 [ 720.275871][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 720.275871][ T73] ipv6_find_idev+0x102/0x170 [ 720.275871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.275871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.275871][ T73] netlink_rcv_skb+0x130/0x360 [ 720.275871][ T73] netlink_unicast+0x449/0x710 [ 720.275871][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.275871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.275871][ T73] ___sys_sendmsg+0xee/0x170 [ 720.275871][ T73] __sys_sendmsg+0xcd/0x170 [ 720.275871][ T73] do_syscall_64+0xc6/0x1e0 [ 720.275871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.275871][ T73] [ 720.277817][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 720.278127][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.278127][ T73] dst_init+0x84/0x4a0 [ 720.278127][ T73] dst_alloc+0x97/0x150 [ 720.278127][ T73] ip6_dst_alloc+0x23/0x90 [ 720.278127][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 720.278127][ T73] ip6_pol_route+0x56f/0x840 [ 720.278127][ T73] fib6_rule_lookup+0x456/0x630 [ 720.278127][ T73] ip6_route_input+0x59c/0xa50 [ 720.278127][ T73] ipv6_rcv+0x397/0x810 [ 720.278127][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 720.278127][ T73] process_backlog+0x101/0x620 [ 720.278127][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 720.278127][ T73] net_rx_action+0x495/0xbe0 [ 720.278127][ T73] __do_softirq+0x1b5/0x7f6 [ 720.278127][ T73] [ 720.279944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.279944][ T73] netdev_get_by_index+0x5e/0x80 [ 720.279944][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.279944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.279944][ T73] addrconf_f6i_alloc+0x265/0x560 [ 720.279944][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 720.279944][ T73] addrconf_join_anycast+0x1c0/0x220 [ 720.279944][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 720.279944][ T73] addrconf_dad_completed+0x12b/0xe20 [ 720.279944][ T73] addrconf_dad_begin+0x310/0x670 [ 720.279944][ T73] addrconf_dad_work+0x10b/0xab0 [ 720.279944][ T73] process_one_work+0x84d/0x18a0 [ 720.279944][ T73] worker_thread+0x587/0xd30 [ 720.279944][ T73] kthread+0x28a/0x350 [ 720.279944][ T73] ret_from_fork+0x31/0x70 [ 720.279944][ T73] ret_from_fork_asm+0x1a/0x30 [ 720.279944][ T73] [ 720.282017][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.282017][ T73] netdev_get_by_index+0x5e/0x80 [ 720.282017][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.282017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.282017][ T73] ip6_route_add+0x1c/0x140 [ 720.282017][ T73] addrconf_prefix_route+0x2a6/0x430 [ 720.282017][ T73] inet6_addr_add+0x4f8/0xa40 [ 720.282017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.282017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.282017][ T73] netlink_rcv_skb+0x130/0x360 [ 720.282017][ T73] netlink_unicast+0x449/0x710 [ 720.282017][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.282017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.282017][ T73] ___sys_sendmsg+0xee/0x170 [ 720.282017][ T73] __sys_sendmsg+0xcd/0x170 [ 720.282017][ T73] do_syscall_64+0xc6/0x1e0 [ 720.282017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.282017][ T73] [ 720.284194][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.284194][ T73] netdev_get_by_index+0x5e/0x80 [ 720.284194][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.284194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.284194][ T73] addrconf_f6i_alloc+0x315/0x560 [ 720.284194][ T73] ipv6_add_addr+0x411/0x2000 [ 720.284194][ T73] inet6_addr_add+0x30e/0xa40 [ 720.284194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.284194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.284194][ T73] netlink_rcv_skb+0x130/0x360 [ 720.284194][ T73] netlink_unicast+0x449/0x710 [ 720.284194][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.284194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.284194][ T73] ___sys_sendmsg+0xee/0x170 [ 720.284194][ T73] __sys_sendmsg+0xcd/0x170 [ 720.284194][ T73] do_syscall_64+0xc6/0x1e0 [ 720.284194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.284194][ T73] [ 720.286365][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.286365][ T73] netdev_get_by_index+0x5e/0x80 [ 720.286365][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.286365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.286365][ T73] ip6_route_add+0x1c/0x140 [ 720.286365][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 720.286365][ T73] addrconf_add_dev+0xe2/0x170 [ 720.286365][ T73] inet6_addr_add+0x12f/0xa40 [ 720.286365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.286365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.286365][ T73] netlink_rcv_skb+0x130/0x360 [ 720.286365][ T73] netlink_unicast+0x449/0x710 [ 720.286365][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.286365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.286365][ T73] ___sys_sendmsg+0xee/0x170 [ 720.286365][ T73] __sys_sendmsg+0xcd/0x170 [ 720.286365][ T73] do_syscall_64+0xc6/0x1e0 [ 720.286365][ T73] [ 720.288513][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.288513][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 720.288513][ T73] ipv6_find_idev+0x102/0x170 [ 720.288513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.288513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.288513][ T73] netlink_rcv_skb+0x130/0x360 [ 720.288513][ T73] netlink_unicast+0x449/0x710 [ 720.288513][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.288513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.288513][ T73] ___sys_sendmsg+0xee/0x170 [ 720.288513][ T73] __sys_sendmsg+0xcd/0x170 [ 720.288513][ T73] do_syscall_64+0xc6/0x1e0 [ 720.288513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.288513][ T73] [ 720.290210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 720.290210][ T73] neigh_parms_alloc+0x1e5/0x510 [ 720.290210][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 720.290210][ T73] ipv6_find_idev+0x102/0x170 [ 720.290210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.290210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.290210][ T73] netlink_rcv_skb+0x130/0x360 [ 720.290210][ T73] netlink_unicast+0x449/0x710 [ 720.290210][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.290210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.290210][ T73] ___sys_sendmsg+0xee/0x170 [ 720.290210][ T73] __sys_sendmsg+0xcd/0x170 [ 720.290210][ T73] do_syscall_64+0xc6/0x1e0 [ 720.290210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.290210][ T73] [ 720.292186][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 720.292458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.292458][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 720.292458][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 720.292458][ T73] fib6_nh_init+0xa22/0x1580 [ 720.292458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.292458][ T73] ip6_route_add+0x1c/0x140 [ 720.292458][ T73] inet6_rtm_newroute+0x104/0x110 [ 720.292458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.292458][ T73] netlink_rcv_skb+0x130/0x360 [ 720.292458][ T73] netlink_unicast+0x449/0x710 [ 720.292458][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.292458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.292458][ T73] ___sys_sendmsg+0xee/0x170 [ 720.292458][ T73] __sys_sendmsg+0xcd/0x170 [ 720.292458][ T73] do_syscall_64+0xc6/0x1e0 [ 720.292458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.292458][ T73] [ 720.294777][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.294777][ T73] dst_init+0x84/0x4a0 [ 720.294777][ T73] dst_alloc+0x97/0x150 [ 720.294777][ T73] ip6_dst_alloc+0x23/0x90 [ 720.294777][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 720.294777][ T73] ip6_pol_route+0x56f/0x840 [ 720.294777][ T73] fib6_rule_lookup+0x456/0x630 [ 720.294777][ T73] ip6_route_input+0x59c/0xa50 [ 720.294777][ T73] ipv6_rcv+0x397/0x810 [ 720.294777][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 720.294777][ T73] process_backlog+0x101/0x620 [ 720.294777][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 720.294777][ T73] net_rx_action+0x495/0xbe0 [ 720.294777][ T73] __do_softirq+0x1b5/0x7f6 [ 720.294777][ T73] [ 720.296766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.296766][ T73] netdev_get_by_index+0x5e/0x80 [ 720.296766][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.296766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.296766][ T73] ip6_route_add+0x1c/0x140 [ 720.296766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 720.296766][ T73] inet6_addr_add+0x4f8/0xa40 [ 720.296766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.296766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.296766][ T73] netlink_rcv_skb+0x130/0x360 [ 720.296766][ T73] netlink_unicast+0x449/0x710 [ 720.296766][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.296766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.296766][ T73] ___sys_sendmsg+0xee/0x170 [ 720.296766][ T73] __sys_sendmsg+0xcd/0x170 [ 720.296766][ T73] do_syscall_64+0xc6/0x1e0 [ 720.296766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.296766][ T73] [ 720.299210][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.299210][ T73] netdev_get_by_index+0x5e/0x80 [ 720.299210][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.299210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.299210][ T73] addrconf_f6i_alloc+0x315/0x560 [ 720.299210][ T73] ipv6_add_addr+0x411/0x2000 [ 720.299210][ T73] inet6_addr_add+0x30e/0xa40 [ 720.299210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.299210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.299210][ T73] netlink_rcv_skb+0x130/0x360 [ 720.299210][ T73] netlink_unicast+0x449/0x710 [ 720.299210][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.299210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.299210][ T73] ___sys_sendmsg+0xee/0x170 [ 720.299210][ T73] __sys_sendmsg+0xcd/0x170 [ 720.299210][ T73] do_syscall_64+0xc6/0x1e0 [ 720.299210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.299210][ T73] [ 720.301606][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.301606][ T73] netdev_get_by_index+0x5e/0x80 [ 720.301606][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.301606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.301606][ T73] ip6_route_add+0x1c/0x140 [ 720.301606][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 720.301606][ T73] addrconf_add_dev+0xe2/0x170 [ 720.301606][ T73] inet6_addr_add+0x12f/0xa40 [ 720.301606][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.301606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.301606][ T73] netlink_rcv_skb+0x130/0x360 [ 720.301606][ T73] netlink_unicast+0x449/0x710 [ 720.301606][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.301606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.301606][ T73] ___sys_sendmsg+0xee/0x170 [ 720.301606][ T73] __sys_sendmsg+0xcd/0x170 [ 720.301606][ T73] do_syscall_64+0xc6/0x1e0 [ 720.301606][ T73] [ 720.304074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.304074][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 720.304074][ T73] ipv6_find_idev+0x102/0x170 [ 720.304074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.304074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.304074][ T73] netlink_rcv_skb+0x130/0x360 [ 720.304074][ T73] netlink_unicast+0x449/0x710 [ 720.304074][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.304074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.304074][ T73] ___sys_sendmsg+0xee/0x170 [ 720.304074][ T73] __sys_sendmsg+0xcd/0x170 [ 720.304074][ T73] do_syscall_64+0xc6/0x1e0 [ 720.304074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.304074][ T73] [ 720.305899][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 720.305899][ T73] neigh_parms_alloc+0x1e5/0x510 [ 720.305899][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 720.305899][ T73] ipv6_find_idev+0x102/0x170 [ 720.305899][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.305899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.305899][ T73] netlink_rcv_skb+0x130/0x360 [ 720.305899][ T73] netlink_unicast+0x449/0x710 [ 720.305899][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.305899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.305899][ T73] ___sys_sendmsg+0xee/0x170 [ 720.305899][ T73] __sys_sendmsg+0xcd/0x170 [ 720.305899][ T73] do_syscall_64+0xc6/0x1e0 [ 720.305899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.305899][ T73] [ 720.308047][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 720.308344][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 720.308344][ T73] netdev_get_by_index+0x5e/0x80 [ 720.308344][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.308344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.308344][ T73] addrconf_f6i_alloc+0x265/0x560 [ 720.308344][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 720.308344][ T73] addrconf_join_anycast+0x1c0/0x220 [ 720.308344][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 720.308344][ T73] addrconf_dad_completed+0x12b/0xe20 [ 720.308344][ T73] addrconf_dad_begin+0x310/0x670 [ 720.308344][ T73] addrconf_dad_work+0x10b/0xab0 [ 720.308344][ T73] process_one_work+0x84d/0x18a0 [ 720.308344][ T73] worker_thread+0x587/0xd30 [ 720.308344][ T73] kthread+0x28a/0x350 [ 720.308344][ T73] ret_from_fork+0x31/0x70 [ 720.308344][ T73] ret_from_fork_asm+0x1a/0x30 [ 720.308344][ T73] [ 720.310698][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 720.310698][ T73] netdev_get_by_index+0x5e/0x80 [ 720.310698][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.310698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.310698][ T73] ip6_route_add+0x1c/0x140 [ 720.310698][ T73] addrconf_prefix_route+0x2a6/0x430 [ 720.310698][ T73] inet6_addr_add+0x4f8/0xa40 [ 720.310698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.310698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.310698][ T73] netlink_rcv_skb+0x130/0x360 [ 720.310698][ T73] netlink_unicast+0x449/0x710 [ 720.310698][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.310698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.310698][ T73] ___sys_sendmsg+0xee/0x170 [ 720.310698][ T73] __sys_sendmsg+0xcd/0x170 [ 720.310698][ T73] do_syscall_64+0xc6/0x1e0 [ 720.310698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.310698][ T73] [ 720.313214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 720.313214][ T73] netdev_get_by_index+0x5e/0x80 [ 720.313214][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.313214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.313214][ T73] addrconf_f6i_alloc+0x315/0x560 [ 720.313214][ T73] ipv6_add_addr+0x411/0x2000 [ 720.313214][ T73] inet6_addr_add+0x30e/0xa40 [ 720.313214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.313214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.313214][ T73] netlink_rcv_skb+0x130/0x360 [ 720.313214][ T73] netlink_unicast+0x449/0x710 [ 720.313214][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.313214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.313214][ T73] ___sys_sendmsg+0xee/0x170 [ 720.313214][ T73] __sys_sendmsg+0xcd/0x170 [ 720.313214][ T73] do_syscall_64+0xc6/0x1e0 [ 720.313214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.313214][ T73] [ 720.315569][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 720.315569][ T73] netdev_get_by_index+0x5e/0x80 [ 720.315569][ T73] fib6_nh_init+0x3d8/0x1580 [ 720.315569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 720.315569][ T73] ip6_route_add+0x1c/0x140 [ 720.315569][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 720.315569][ T73] addrconf_add_dev+0xe2/0x170 [ 720.315569][ T73] inet6_addr_add+0x12f/0xa40 [ 720.315569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 720.315569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.315569][ T73] netlink_rcv_skb+0x130/0x360 [ 720.315569][ T73] netlink_unicast+0x449/0x710 [ 720.315569][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.315569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.315569][ T73] ___sys_sendmsg+0xee/0x170 [ 720.315569][ T73] __sys_sendmsg+0xcd/0x170 [ 720.315569][ T73] do_syscall_64+0xc6/0x1e0 [ 720.315569][ T73] [ 720.317956][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 720.317956][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 720.317956][ T73] ipv6_find_idev+0x102/0x170 [ 720.317956][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.317956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.317956][ T73] netlink_rcv_skb+0x130/0x360 [ 720.317956][ T73] netlink_unicast+0x449/0x710 [ 720.317956][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.317956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.317956][ T73] ___sys_sendmsg+0xee/0x170 [ 720.317956][ T73] __sys_sendmsg+0xcd/0x170 [ 720.317956][ T73] do_syscall_64+0xc6/0x1e0 [ 720.317956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.317956][ T73] [ 720.320362][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 720.320362][ T73] neigh_parms_alloc+0x1e5/0x510 [ 720.320362][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 720.320362][ T73] ipv6_find_idev+0x102/0x170 [ 720.320362][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.320362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.320362][ T73] netlink_rcv_skb+0x130/0x360 [ 720.320362][ T73] netlink_unicast+0x449/0x710 [ 720.320362][ T73] netlink_sendmsg+0x723/0xbe0 [ 720.320362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 720.320362][ T73] ___sys_sendmsg+0xee/0x170 [ 720.320362][ T73] __sys_sendmsg+0xcd/0x170 [ 720.320362][ T73] do_syscall_64+0xc6/0x1e0 [ 720.320362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.320362][ T73] [ 730.558953][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 730.559531][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.559531][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 730.559531][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 730.559531][ T73] fib6_nh_init+0xa22/0x1580 [ 730.559531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.559531][ T73] ip6_route_add+0x1c/0x140 [ 730.559531][ T73] inet6_rtm_newroute+0x104/0x110 [ 730.559531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.559531][ T73] netlink_rcv_skb+0x130/0x360 [ 730.559531][ T73] netlink_unicast+0x449/0x710 [ 730.559531][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.559531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.559531][ T73] ___sys_sendmsg+0xee/0x170 [ 730.559531][ T73] __sys_sendmsg+0xcd/0x170 [ 730.559531][ T73] do_syscall_64+0xc6/0x1e0 [ 730.559531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.559531][ T73] [ 730.561451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.561451][ T73] dst_init+0x84/0x4a0 [ 730.561451][ T73] dst_alloc+0x97/0x150 [ 730.561451][ T73] ip6_dst_alloc+0x23/0x90 [ 730.561451][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 730.561451][ T73] ip6_pol_route+0x56f/0x840 [ 730.561451][ T73] fib6_rule_lookup+0x456/0x630 [ 730.561451][ T73] ip6_route_input+0x59c/0xa50 [ 730.561451][ T73] ipv6_rcv+0x397/0x810 [ 730.561451][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 730.561451][ T73] process_backlog+0x101/0x620 [ 730.561451][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 730.561451][ T73] net_rx_action+0x495/0xbe0 [ 730.561451][ T73] __do_softirq+0x1b5/0x7f6 [ 730.561451][ T73] [ 730.563121][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.563121][ T73] netdev_get_by_index+0x5e/0x80 [ 730.563121][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.563121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.563121][ T73] ip6_route_add+0x1c/0x140 [ 730.563121][ T73] addrconf_prefix_route+0x2a6/0x430 [ 730.563121][ T73] inet6_addr_add+0x4f8/0xa40 [ 730.563121][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.563121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.563121][ T73] netlink_rcv_skb+0x130/0x360 [ 730.563121][ T73] netlink_unicast+0x449/0x710 [ 730.563121][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.563121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.563121][ T73] ___sys_sendmsg+0xee/0x170 [ 730.563121][ T73] __sys_sendmsg+0xcd/0x170 [ 730.563121][ T73] do_syscall_64+0xc6/0x1e0 [ 730.563121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.563121][ T73] [ 730.565521][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.565521][ T73] netdev_get_by_index+0x5e/0x80 [ 730.565521][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.565521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.565521][ T73] addrconf_f6i_alloc+0x315/0x560 [ 730.565521][ T73] ipv6_add_addr+0x411/0x2000 [ 730.565521][ T73] inet6_addr_add+0x30e/0xa40 [ 730.565521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.565521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.565521][ T73] netlink_rcv_skb+0x130/0x360 [ 730.565521][ T73] netlink_unicast+0x449/0x710 [ 730.565521][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.565521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.565521][ T73] ___sys_sendmsg+0xee/0x170 [ 730.565521][ T73] __sys_sendmsg+0xcd/0x170 [ 730.565521][ T73] do_syscall_64+0xc6/0x1e0 [ 730.565521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.565521][ T73] [ 730.567552][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.567552][ T73] netdev_get_by_index+0x5e/0x80 [ 730.567552][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.567552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.567552][ T73] ip6_route_add+0x1c/0x140 [ 730.567552][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 730.567552][ T73] addrconf_add_dev+0xe2/0x170 [ 730.567552][ T73] inet6_addr_add+0x12f/0xa40 [ 730.567552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.567552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.567552][ T73] netlink_rcv_skb+0x130/0x360 [ 730.567552][ T73] netlink_unicast+0x449/0x710 [ 730.567552][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.567552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.567552][ T73] ___sys_sendmsg+0xee/0x170 [ 730.567552][ T73] __sys_sendmsg+0xcd/0x170 [ 730.567552][ T73] do_syscall_64+0xc6/0x1e0 [ 730.567552][ T73] [ 730.569536][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.569536][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 730.569536][ T73] ipv6_find_idev+0x102/0x170 [ 730.569536][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.569536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.569536][ T73] netlink_rcv_skb+0x130/0x360 [ 730.569536][ T73] netlink_unicast+0x449/0x710 [ 730.569536][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.569536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.569536][ T73] ___sys_sendmsg+0xee/0x170 [ 730.569536][ T73] __sys_sendmsg+0xcd/0x170 [ 730.569536][ T73] do_syscall_64+0xc6/0x1e0 [ 730.569536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.569536][ T73] [ 730.571089][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 730.571089][ T73] neigh_parms_alloc+0x1e5/0x510 [ 730.571089][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 730.571089][ T73] ipv6_find_idev+0x102/0x170 [ 730.571089][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.571089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.571089][ T73] netlink_rcv_skb+0x130/0x360 [ 730.571089][ T73] netlink_unicast+0x449/0x710 [ 730.571089][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.571089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.571089][ T73] ___sys_sendmsg+0xee/0x170 [ 730.571089][ T73] __sys_sendmsg+0xcd/0x170 [ 730.571089][ T73] do_syscall_64+0xc6/0x1e0 [ 730.571089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.571089][ T73] [ 730.572833][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 730.573114][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.573114][ T73] dst_init+0x84/0x4a0 [ 730.573114][ T73] dst_alloc+0x97/0x150 [ 730.573114][ T73] ip6_dst_alloc+0x23/0x90 [ 730.573114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 730.573114][ T73] ip6_pol_route+0x56f/0x840 [ 730.573114][ T73] fib6_rule_lookup+0x456/0x630 [ 730.573114][ T73] ip6_route_input+0x59c/0xa50 [ 730.573114][ T73] ipv6_rcv+0x397/0x810 [ 730.573114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 730.573114][ T73] process_backlog+0x101/0x620 [ 730.573114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 730.573114][ T73] net_rx_action+0x495/0xbe0 [ 730.573114][ T73] __do_softirq+0x1b5/0x7f6 [ 730.573114][ T73] [ 730.574815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.574815][ T73] netdev_get_by_index+0x5e/0x80 [ 730.574815][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.574815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.574815][ T73] addrconf_f6i_alloc+0x265/0x560 [ 730.574815][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 730.574815][ T73] addrconf_join_anycast+0x1c0/0x220 [ 730.574815][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 730.574815][ T73] addrconf_dad_completed+0x12b/0xe20 [ 730.574815][ T73] addrconf_dad_begin+0x310/0x670 [ 730.574815][ T73] addrconf_dad_work+0x10b/0xab0 [ 730.574815][ T73] process_one_work+0x84d/0x18a0 [ 730.574815][ T73] worker_thread+0x587/0xd30 [ 730.574815][ T73] kthread+0x28a/0x350 [ 730.574815][ T73] ret_from_fork+0x31/0x70 [ 730.574815][ T73] ret_from_fork_asm+0x1a/0x30 [ 730.574815][ T73] [ 730.576742][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.576742][ T73] netdev_get_by_index+0x5e/0x80 [ 730.576742][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.576742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.576742][ T73] ip6_route_add+0x1c/0x140 [ 730.576742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 730.576742][ T73] inet6_addr_add+0x4f8/0xa40 [ 730.576742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.576742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.576742][ T73] netlink_rcv_skb+0x130/0x360 [ 730.576742][ T73] netlink_unicast+0x449/0x710 [ 730.576742][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.576742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.576742][ T73] ___sys_sendmsg+0xee/0x170 [ 730.576742][ T73] __sys_sendmsg+0xcd/0x170 [ 730.576742][ T73] do_syscall_64+0xc6/0x1e0 [ 730.576742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.576742][ T73] [ 730.578758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.578758][ T73] netdev_get_by_index+0x5e/0x80 [ 730.578758][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.578758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.578758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 730.578758][ T73] ipv6_add_addr+0x411/0x2000 [ 730.578758][ T73] inet6_addr_add+0x30e/0xa40 [ 730.578758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.578758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.578758][ T73] netlink_rcv_skb+0x130/0x360 [ 730.578758][ T73] netlink_unicast+0x449/0x710 [ 730.578758][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.578758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.578758][ T73] ___sys_sendmsg+0xee/0x170 [ 730.578758][ T73] __sys_sendmsg+0xcd/0x170 [ 730.578758][ T73] do_syscall_64+0xc6/0x1e0 [ 730.578758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.578758][ T73] [ 730.580787][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.580787][ T73] netdev_get_by_index+0x5e/0x80 [ 730.580787][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.580787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.580787][ T73] ip6_route_add+0x1c/0x140 [ 730.580787][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 730.580787][ T73] addrconf_add_dev+0xe2/0x170 [ 730.580787][ T73] inet6_addr_add+0x12f/0xa40 [ 730.580787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.580787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.580787][ T73] netlink_rcv_skb+0x130/0x360 [ 730.580787][ T73] netlink_unicast+0x449/0x710 [ 730.580787][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.580787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.580787][ T73] ___sys_sendmsg+0xee/0x170 [ 730.580787][ T73] __sys_sendmsg+0xcd/0x170 [ 730.580787][ T73] do_syscall_64+0xc6/0x1e0 [ 730.580787][ T73] [ 730.582767][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.582767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 730.582767][ T73] ipv6_find_idev+0x102/0x170 [ 730.582767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.582767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.582767][ T73] netlink_rcv_skb+0x130/0x360 [ 730.582767][ T73] netlink_unicast+0x449/0x710 [ 730.582767][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.582767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.582767][ T73] ___sys_sendmsg+0xee/0x170 [ 730.582767][ T73] __sys_sendmsg+0xcd/0x170 [ 730.582767][ T73] do_syscall_64+0xc6/0x1e0 [ 730.582767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.582767][ T73] [ 730.584333][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 730.584333][ T73] neigh_parms_alloc+0x1e5/0x510 [ 730.584333][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 730.584333][ T73] ipv6_find_idev+0x102/0x170 [ 730.584333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.584333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.584333][ T73] netlink_rcv_skb+0x130/0x360 [ 730.584333][ T73] netlink_unicast+0x449/0x710 [ 730.584333][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.584333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.584333][ T73] ___sys_sendmsg+0xee/0x170 [ 730.584333][ T73] __sys_sendmsg+0xcd/0x170 [ 730.584333][ T73] do_syscall_64+0xc6/0x1e0 [ 730.584333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.584333][ T73] [ 730.586181][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 730.586460][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.586460][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 730.586460][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 730.586460][ T73] fib6_nh_init+0xa22/0x1580 [ 730.586460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.586460][ T73] ip6_route_add+0x1c/0x140 [ 730.586460][ T73] inet6_rtm_newroute+0x104/0x110 [ 730.586460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.586460][ T73] netlink_rcv_skb+0x130/0x360 [ 730.586460][ T73] netlink_unicast+0x449/0x710 [ 730.586460][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.586460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.586460][ T73] ___sys_sendmsg+0xee/0x170 [ 730.586460][ T73] __sys_sendmsg+0xcd/0x170 [ 730.586460][ T73] do_syscall_64+0xc6/0x1e0 [ 730.586460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.586460][ T73] [ 730.588602][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.588602][ T73] dst_init+0x84/0x4a0 [ 730.588602][ T73] dst_alloc+0x97/0x150 [ 730.588602][ T73] ip6_dst_alloc+0x23/0x90 [ 730.588602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 730.588602][ T73] ip6_pol_route+0x56f/0x840 [ 730.588602][ T73] fib6_rule_lookup+0x456/0x630 [ 730.588602][ T73] ip6_route_input+0x59c/0xa50 [ 730.588602][ T73] ipv6_rcv+0x397/0x810 [ 730.588602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 730.588602][ T73] process_backlog+0x101/0x620 [ 730.588602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 730.588602][ T73] net_rx_action+0x495/0xbe0 [ 730.588602][ T73] __do_softirq+0x1b5/0x7f6 [ 730.588602][ T73] [ 730.590508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.590508][ T73] netdev_get_by_index+0x5e/0x80 [ 730.590508][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.590508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.590508][ T73] ip6_route_add+0x1c/0x140 [ 730.590508][ T73] addrconf_prefix_route+0x2a6/0x430 [ 730.590508][ T73] inet6_addr_add+0x4f8/0xa40 [ 730.590508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.590508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.590508][ T73] netlink_rcv_skb+0x130/0x360 [ 730.590508][ T73] netlink_unicast+0x449/0x710 [ 730.590508][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.590508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.590508][ T73] ___sys_sendmsg+0xee/0x170 [ 730.590508][ T73] __sys_sendmsg+0xcd/0x170 [ 730.590508][ T73] do_syscall_64+0xc6/0x1e0 [ 730.590508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.590508][ T73] [ 730.592786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.592786][ T73] netdev_get_by_index+0x5e/0x80 [ 730.592786][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.592786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.592786][ T73] addrconf_f6i_alloc+0x315/0x560 [ 730.592786][ T73] ipv6_add_addr+0x411/0x2000 [ 730.592786][ T73] inet6_addr_add+0x30e/0xa40 [ 730.592786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.592786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.592786][ T73] netlink_rcv_skb+0x130/0x360 [ 730.592786][ T73] netlink_unicast+0x449/0x710 [ 730.592786][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.592786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.592786][ T73] ___sys_sendmsg+0xee/0x170 [ 730.592786][ T73] __sys_sendmsg+0xcd/0x170 [ 730.592786][ T73] do_syscall_64+0xc6/0x1e0 [ 730.592786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.592786][ T73] [ 730.595048][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.595048][ T73] netdev_get_by_index+0x5e/0x80 [ 730.595048][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.595048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.595048][ T73] ip6_route_add+0x1c/0x140 [ 730.595048][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 730.595048][ T73] addrconf_add_dev+0xe2/0x170 [ 730.595048][ T73] inet6_addr_add+0x12f/0xa40 [ 730.595048][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.595048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.595048][ T73] netlink_rcv_skb+0x130/0x360 [ 730.595048][ T73] netlink_unicast+0x449/0x710 [ 730.595048][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.595048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.595048][ T73] ___sys_sendmsg+0xee/0x170 [ 730.595048][ T73] __sys_sendmsg+0xcd/0x170 [ 730.595048][ T73] do_syscall_64+0xc6/0x1e0 [ 730.595048][ T73] [ 730.597280][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.597280][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 730.597280][ T73] ipv6_find_idev+0x102/0x170 [ 730.597280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.597280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.597280][ T73] netlink_rcv_skb+0x130/0x360 [ 730.597280][ T73] netlink_unicast+0x449/0x710 [ 730.597280][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.597280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.597280][ T73] ___sys_sendmsg+0xee/0x170 [ 730.597280][ T73] __sys_sendmsg+0xcd/0x170 [ 730.597280][ T73] do_syscall_64+0xc6/0x1e0 [ 730.597280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.597280][ T73] [ 730.598952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 730.598952][ T73] neigh_parms_alloc+0x1e5/0x510 [ 730.598952][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 730.598952][ T73] ipv6_find_idev+0x102/0x170 [ 730.598952][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.598952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.598952][ T73] netlink_rcv_skb+0x130/0x360 [ 730.598952][ T73] netlink_unicast+0x449/0x710 [ 730.598952][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.598952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.598952][ T73] ___sys_sendmsg+0xee/0x170 [ 730.598952][ T73] __sys_sendmsg+0xcd/0x170 [ 730.598952][ T73] do_syscall_64+0xc6/0x1e0 [ 730.598952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.598952][ T73] [ 730.600986][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 730.601269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 730.601269][ T73] netdev_get_by_index+0x5e/0x80 [ 730.601269][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.601269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.601269][ T73] addrconf_f6i_alloc+0x265/0x560 [ 730.601269][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 730.601269][ T73] addrconf_join_anycast+0x1c0/0x220 [ 730.601269][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 730.601269][ T73] addrconf_dad_completed+0x12b/0xe20 [ 730.601269][ T73] addrconf_dad_begin+0x310/0x670 [ 730.601269][ T73] addrconf_dad_work+0x10b/0xab0 [ 730.601269][ T73] process_one_work+0x84d/0x18a0 [ 730.601269][ T73] worker_thread+0x587/0xd30 [ 730.601269][ T73] kthread+0x28a/0x350 [ 730.601269][ T73] ret_from_fork+0x31/0x70 [ 730.601269][ T73] ret_from_fork_asm+0x1a/0x30 [ 730.601269][ T73] [ 730.603440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 730.603440][ T73] netdev_get_by_index+0x5e/0x80 [ 730.603440][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.603440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.603440][ T73] ip6_route_add+0x1c/0x140 [ 730.603440][ T73] addrconf_prefix_route+0x2a6/0x430 [ 730.603440][ T73] inet6_addr_add+0x4f8/0xa40 [ 730.603440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.603440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.603440][ T73] netlink_rcv_skb+0x130/0x360 [ 730.603440][ T73] netlink_unicast+0x449/0x710 [ 730.603440][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.603440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.603440][ T73] ___sys_sendmsg+0xee/0x170 [ 730.603440][ T73] __sys_sendmsg+0xcd/0x170 [ 730.603440][ T73] do_syscall_64+0xc6/0x1e0 [ 730.603440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.603440][ T73] [ 730.605697][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 730.605697][ T73] netdev_get_by_index+0x5e/0x80 [ 730.605697][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.605697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.605697][ T73] addrconf_f6i_alloc+0x315/0x560 [ 730.605697][ T73] ipv6_add_addr+0x411/0x2000 [ 730.605697][ T73] inet6_addr_add+0x30e/0xa40 [ 730.605697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.605697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.605697][ T73] netlink_rcv_skb+0x130/0x360 [ 730.605697][ T73] netlink_unicast+0x449/0x710 [ 730.605697][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.605697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.605697][ T73] ___sys_sendmsg+0xee/0x170 [ 730.605697][ T73] __sys_sendmsg+0xcd/0x170 [ 730.605697][ T73] do_syscall_64+0xc6/0x1e0 [ 730.605697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.605697][ T73] [ 730.607899][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 730.607899][ T73] netdev_get_by_index+0x5e/0x80 [ 730.607899][ T73] fib6_nh_init+0x3d8/0x1580 [ 730.607899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 730.607899][ T73] ip6_route_add+0x1c/0x140 [ 730.607899][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 730.607899][ T73] addrconf_add_dev+0xe2/0x170 [ 730.607899][ T73] inet6_addr_add+0x12f/0xa40 [ 730.607899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 730.607899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.607899][ T73] netlink_rcv_skb+0x130/0x360 [ 730.607899][ T73] netlink_unicast+0x449/0x710 [ 730.607899][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.607899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.607899][ T73] ___sys_sendmsg+0xee/0x170 [ 730.607899][ T73] __sys_sendmsg+0xcd/0x170 [ 730.607899][ T73] do_syscall_64+0xc6/0x1e0 [ 730.607899][ T73] [ 730.610199][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 730.610199][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 730.610199][ T73] ipv6_find_idev+0x102/0x170 [ 730.610199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.610199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.610199][ T73] netlink_rcv_skb+0x130/0x360 [ 730.610199][ T73] netlink_unicast+0x449/0x710 [ 730.610199][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.610199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.610199][ T73] ___sys_sendmsg+0xee/0x170 [ 730.610199][ T73] __sys_sendmsg+0xcd/0x170 [ 730.610199][ T73] do_syscall_64+0xc6/0x1e0 [ 730.610199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.610199][ T73] [ 730.611934][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 730.611934][ T73] neigh_parms_alloc+0x1e5/0x510 [ 730.611934][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 730.611934][ T73] ipv6_find_idev+0x102/0x170 [ 730.611934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.611934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.611934][ T73] netlink_rcv_skb+0x130/0x360 [ 730.611934][ T73] netlink_unicast+0x449/0x710 [ 730.611934][ T73] netlink_sendmsg+0x723/0xbe0 [ 730.611934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 730.611934][ T73] ___sys_sendmsg+0xee/0x170 [ 730.611934][ T73] __sys_sendmsg+0xcd/0x170 [ 730.611934][ T73] do_syscall_64+0xc6/0x1e0 [ 730.611934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.611934][ T73] [ 738.598945][ T42] INFO: task modprobe:887 blocked for more than 491 seconds. [ 738.599284][ T42] Not tainted 6.8.0-virtme #1 [ 738.599431][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.599663][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 738.600013][ T42] Call Trace: [ 738.600120][ T42] [ 738.600200][ T42] __schedule+0x705/0x1ac0 [ 738.600353][ T42] ? __pfx___schedule+0x10/0x10 [ 738.600494][ T42] ? schedule+0x1a5/0x210 [ 738.600601][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.600750][ T42] ? mark_lock+0x38/0x3e0 [ 738.600868][ T42] ? do_raw_spin_lock+0x131/0x270 [ 738.601012][ T42] ? schedule+0x1a5/0x210 [ 738.601118][ T42] schedule+0xdf/0x210 [ 738.601224][ T42] schedule_preempt_disabled+0x15/0x30 [ 738.601363][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 738.601507][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 738.601684][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.601838][ T42] ? lock_acquire+0x1c1/0x220 [ 738.601973][ T42] ? register_pernet_subsys+0x1a/0x50 [ 738.602119][ T42] down_write+0x1c9/0x200 [ 738.602227][ T42] ? __pfx_down_write+0x10/0x10 [ 738.602367][ T42] ? __lock_release+0x103/0x460 [ 738.602502][ T42] ? __create_object+0x5e/0xb0 [ 738.602642][ T42] ? __pfx___lock_release+0x10/0x10 [ 738.602799][ T42] register_pernet_subsys+0x1a/0x50 [ 738.602942][ T42] tcf_register_action+0xa3/0x600 [ 738.603081][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 738.603264][ T42] do_one_initcall+0xc8/0x3f0 [ 738.603404][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 738.603546][ T42] ? __create_object+0x5e/0xb0 [ 738.603688][ T42] ? kasan_unpoison+0x27/0x60 [ 738.603856][ T42] do_init_module+0x233/0x740 [ 738.604004][ T42] load_module+0x16b5/0x2350 [ 738.604160][ T42] ? __pfx_load_module+0x10/0x10 [ 738.604300][ T42] ? kernel_read_file+0x3d2/0x520 [ 738.604441][ T42] ? kernel_read_file+0x300/0x520 [ 738.604580][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 738.604725][ T42] ? init_module_from_file+0xd2/0x130 [ 738.604871][ T42] init_module_from_file+0xd2/0x130 [ 738.605012][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 738.605180][ T42] ? __lock_release+0x103/0x460 [ 738.605320][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.605467][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.605604][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 738.605743][ T42] idempotent_init_module+0x342/0x620 [ 738.605893][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 738.606082][ T42] __x64_sys_finit_module+0xbe/0x130 [ 738.606220][ T42] do_syscall_64+0xc6/0x1e0 [ 738.606362][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.606535][ T42] RIP: 0033:0x7f929d278e5d [ 738.606678][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 738.606897][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 738.607112][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 738.607314][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 738.607517][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 738.607725][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 738.607968][ T42] [ 738.608073][ T42] [ 738.608073][ T42] Showing all locks held in the system: [ 738.608271][ T42] 2 locks held by kworker/u18:0/37: [ 738.608407][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.608691][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.609015][ T42] 1 lock held by khungtaskd/42: [ 738.609146][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 738.609397][ T42] 3 locks held by kworker/u16:1/73: [ 738.609532][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.609811][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.610051][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 738.610302][ T42] 1 lock held by modprobe/887: [ 738.610433][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 738.610709][ T42] [ 738.610791][ T42] ============================================= [ 738.610791][ T42] [ 740.614971][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 740.615424][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.615424][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 740.615424][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 740.615424][ T73] fib6_nh_init+0xa22/0x1580 [ 740.615424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.615424][ T73] ip6_route_add+0x1c/0x140 [ 740.615424][ T73] inet6_rtm_newroute+0x104/0x110 [ 740.615424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.615424][ T73] netlink_rcv_skb+0x130/0x360 [ 740.615424][ T73] netlink_unicast+0x449/0x710 [ 740.615424][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.615424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.615424][ T73] ___sys_sendmsg+0xee/0x170 [ 740.615424][ T73] __sys_sendmsg+0xcd/0x170 [ 740.615424][ T73] do_syscall_64+0xc6/0x1e0 [ 740.615424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.615424][ T73] [ 740.617495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.617495][ T73] dst_init+0x84/0x4a0 [ 740.617495][ T73] dst_alloc+0x97/0x150 [ 740.617495][ T73] ip6_dst_alloc+0x23/0x90 [ 740.617495][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 740.617495][ T73] ip6_pol_route+0x56f/0x840 [ 740.617495][ T73] fib6_rule_lookup+0x456/0x630 [ 740.617495][ T73] ip6_route_input+0x59c/0xa50 [ 740.617495][ T73] ipv6_rcv+0x397/0x810 [ 740.617495][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 740.617495][ T73] process_backlog+0x101/0x620 [ 740.617495][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 740.617495][ T73] net_rx_action+0x495/0xbe0 [ 740.617495][ T73] __do_softirq+0x1b5/0x7f6 [ 740.617495][ T73] [ 740.619304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.619304][ T73] netdev_get_by_index+0x5e/0x80 [ 740.619304][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.619304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.619304][ T73] ip6_route_add+0x1c/0x140 [ 740.619304][ T73] addrconf_prefix_route+0x2a6/0x430 [ 740.619304][ T73] inet6_addr_add+0x4f8/0xa40 [ 740.619304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.619304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.619304][ T73] netlink_rcv_skb+0x130/0x360 [ 740.619304][ T73] netlink_unicast+0x449/0x710 [ 740.619304][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.619304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.619304][ T73] ___sys_sendmsg+0xee/0x170 [ 740.619304][ T73] __sys_sendmsg+0xcd/0x170 [ 740.619304][ T73] do_syscall_64+0xc6/0x1e0 [ 740.619304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.619304][ T73] [ 740.621508][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.621508][ T73] netdev_get_by_index+0x5e/0x80 [ 740.621508][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.621508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.621508][ T73] addrconf_f6i_alloc+0x315/0x560 [ 740.621508][ T73] ipv6_add_addr+0x411/0x2000 [ 740.621508][ T73] inet6_addr_add+0x30e/0xa40 [ 740.621508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.621508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.621508][ T73] netlink_rcv_skb+0x130/0x360 [ 740.621508][ T73] netlink_unicast+0x449/0x710 [ 740.621508][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.621508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.621508][ T73] ___sys_sendmsg+0xee/0x170 [ 740.621508][ T73] __sys_sendmsg+0xcd/0x170 [ 740.621508][ T73] do_syscall_64+0xc6/0x1e0 [ 740.621508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.621508][ T73] [ 740.623718][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.623718][ T73] netdev_get_by_index+0x5e/0x80 [ 740.623718][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.623718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.623718][ T73] ip6_route_add+0x1c/0x140 [ 740.623718][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 740.623718][ T73] addrconf_add_dev+0xe2/0x170 [ 740.623718][ T73] inet6_addr_add+0x12f/0xa40 [ 740.623718][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.623718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.623718][ T73] netlink_rcv_skb+0x130/0x360 [ 740.623718][ T73] netlink_unicast+0x449/0x710 [ 740.623718][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.623718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.623718][ T73] ___sys_sendmsg+0xee/0x170 [ 740.623718][ T73] __sys_sendmsg+0xcd/0x170 [ 740.623718][ T73] do_syscall_64+0xc6/0x1e0 [ 740.623718][ T73] [ 740.625882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.625882][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 740.625882][ T73] ipv6_find_idev+0x102/0x170 [ 740.625882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.625882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.625882][ T73] netlink_rcv_skb+0x130/0x360 [ 740.625882][ T73] netlink_unicast+0x449/0x710 [ 740.625882][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.625882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.625882][ T73] ___sys_sendmsg+0xee/0x170 [ 740.625882][ T73] __sys_sendmsg+0xcd/0x170 [ 740.625882][ T73] do_syscall_64+0xc6/0x1e0 [ 740.625882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.625882][ T73] [ 740.627585][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 740.627585][ T73] neigh_parms_alloc+0x1e5/0x510 [ 740.627585][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 740.627585][ T73] ipv6_find_idev+0x102/0x170 [ 740.627585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.627585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.627585][ T73] netlink_rcv_skb+0x130/0x360 [ 740.627585][ T73] netlink_unicast+0x449/0x710 [ 740.627585][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.627585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.627585][ T73] ___sys_sendmsg+0xee/0x170 [ 740.627585][ T73] __sys_sendmsg+0xcd/0x170 [ 740.627585][ T73] do_syscall_64+0xc6/0x1e0 [ 740.627585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.627585][ T73] [ 740.629438][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 740.629731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.629731][ T73] dst_init+0x84/0x4a0 [ 740.629731][ T73] dst_alloc+0x97/0x150 [ 740.629731][ T73] ip6_dst_alloc+0x23/0x90 [ 740.629731][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 740.629731][ T73] ip6_pol_route+0x56f/0x840 [ 740.629731][ T73] fib6_rule_lookup+0x456/0x630 [ 740.629731][ T73] ip6_route_input+0x59c/0xa50 [ 740.629731][ T73] ipv6_rcv+0x397/0x810 [ 740.629731][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 740.629731][ T73] process_backlog+0x101/0x620 [ 740.629731][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 740.629731][ T73] net_rx_action+0x495/0xbe0 [ 740.629731][ T73] __do_softirq+0x1b5/0x7f6 [ 740.629731][ T73] [ 740.631407][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.631407][ T73] netdev_get_by_index+0x5e/0x80 [ 740.631407][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.631407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.631407][ T73] addrconf_f6i_alloc+0x265/0x560 [ 740.631407][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 740.631407][ T73] addrconf_join_anycast+0x1c0/0x220 [ 740.631407][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 740.631407][ T73] addrconf_dad_completed+0x12b/0xe20 [ 740.631407][ T73] addrconf_dad_begin+0x310/0x670 [ 740.631407][ T73] addrconf_dad_work+0x10b/0xab0 [ 740.631407][ T73] process_one_work+0x84d/0x18a0 [ 740.631407][ T73] worker_thread+0x587/0xd30 [ 740.631407][ T73] kthread+0x28a/0x350 [ 740.631407][ T73] ret_from_fork+0x31/0x70 [ 740.631407][ T73] ret_from_fork_asm+0x1a/0x30 [ 740.631407][ T73] [ 740.633357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.633357][ T73] netdev_get_by_index+0x5e/0x80 [ 740.633357][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.633357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.633357][ T73] ip6_route_add+0x1c/0x140 [ 740.633357][ T73] addrconf_prefix_route+0x2a6/0x430 [ 740.633357][ T73] inet6_addr_add+0x4f8/0xa40 [ 740.633357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.633357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.633357][ T73] netlink_rcv_skb+0x130/0x360 [ 740.633357][ T73] netlink_unicast+0x449/0x710 [ 740.633357][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.633357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.633357][ T73] ___sys_sendmsg+0xee/0x170 [ 740.633357][ T73] __sys_sendmsg+0xcd/0x170 [ 740.633357][ T73] do_syscall_64+0xc6/0x1e0 [ 740.633357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.633357][ T73] [ 740.635387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.635387][ T73] netdev_get_by_index+0x5e/0x80 [ 740.635387][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.635387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.635387][ T73] addrconf_f6i_alloc+0x315/0x560 [ 740.635387][ T73] ipv6_add_addr+0x411/0x2000 [ 740.635387][ T73] inet6_addr_add+0x30e/0xa40 [ 740.635387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.635387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.635387][ T73] netlink_rcv_skb+0x130/0x360 [ 740.635387][ T73] netlink_unicast+0x449/0x710 [ 740.635387][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.635387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.635387][ T73] ___sys_sendmsg+0xee/0x170 [ 740.635387][ T73] __sys_sendmsg+0xcd/0x170 [ 740.635387][ T73] do_syscall_64+0xc6/0x1e0 [ 740.635387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.635387][ T73] [ 740.637470][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.637470][ T73] netdev_get_by_index+0x5e/0x80 [ 740.637470][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.637470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.637470][ T73] ip6_route_add+0x1c/0x140 [ 740.637470][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 740.637470][ T73] addrconf_add_dev+0xe2/0x170 [ 740.637470][ T73] inet6_addr_add+0x12f/0xa40 [ 740.637470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.637470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.637470][ T73] netlink_rcv_skb+0x130/0x360 [ 740.637470][ T73] netlink_unicast+0x449/0x710 [ 740.637470][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.637470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.637470][ T73] ___sys_sendmsg+0xee/0x170 [ 740.637470][ T73] __sys_sendmsg+0xcd/0x170 [ 740.637470][ T73] do_syscall_64+0xc6/0x1e0 [ 740.637470][ T73] [ 740.639465][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.639465][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 740.639465][ T73] ipv6_find_idev+0x102/0x170 [ 740.639465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.639465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.639465][ T73] netlink_rcv_skb+0x130/0x360 [ 740.639465][ T73] netlink_unicast+0x449/0x710 [ 740.639465][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.639465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.639465][ T73] ___sys_sendmsg+0xee/0x170 [ 740.639465][ T73] __sys_sendmsg+0xcd/0x170 [ 740.639465][ T73] do_syscall_64+0xc6/0x1e0 [ 740.639465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.639465][ T73] [ 740.641019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 740.641019][ T73] neigh_parms_alloc+0x1e5/0x510 [ 740.641019][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 740.641019][ T73] ipv6_find_idev+0x102/0x170 [ 740.641019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.641019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.641019][ T73] netlink_rcv_skb+0x130/0x360 [ 740.641019][ T73] netlink_unicast+0x449/0x710 [ 740.641019][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.641019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.641019][ T73] ___sys_sendmsg+0xee/0x170 [ 740.641019][ T73] __sys_sendmsg+0xcd/0x170 [ 740.641019][ T73] do_syscall_64+0xc6/0x1e0 [ 740.641019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.641019][ T73] [ 740.642882][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 740.643152][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.643152][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 740.643152][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 740.643152][ T73] fib6_nh_init+0xa22/0x1580 [ 740.643152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.643152][ T73] ip6_route_add+0x1c/0x140 [ 740.643152][ T73] inet6_rtm_newroute+0x104/0x110 [ 740.643152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.643152][ T73] netlink_rcv_skb+0x130/0x360 [ 740.643152][ T73] netlink_unicast+0x449/0x710 [ 740.643152][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.643152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.643152][ T73] ___sys_sendmsg+0xee/0x170 [ 740.643152][ T73] __sys_sendmsg+0xcd/0x170 [ 740.643152][ T73] do_syscall_64+0xc6/0x1e0 [ 740.643152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.643152][ T73] [ 740.645308][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.645308][ T73] dst_init+0x84/0x4a0 [ 740.645308][ T73] dst_alloc+0x97/0x150 [ 740.645308][ T73] ip6_dst_alloc+0x23/0x90 [ 740.645308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 740.645308][ T73] ip6_pol_route+0x56f/0x840 [ 740.645308][ T73] fib6_rule_lookup+0x456/0x630 [ 740.645308][ T73] ip6_route_input+0x59c/0xa50 [ 740.645308][ T73] ipv6_rcv+0x397/0x810 [ 740.645308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 740.645308][ T73] process_backlog+0x101/0x620 [ 740.645308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 740.645308][ T73] net_rx_action+0x495/0xbe0 [ 740.645308][ T73] __do_softirq+0x1b5/0x7f6 [ 740.645308][ T73] [ 740.647148][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.647148][ T73] netdev_get_by_index+0x5e/0x80 [ 740.647148][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.647148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.647148][ T73] ip6_route_add+0x1c/0x140 [ 740.647148][ T73] addrconf_prefix_route+0x2a6/0x430 [ 740.647148][ T73] inet6_addr_add+0x4f8/0xa40 [ 740.647148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.647148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.647148][ T73] netlink_rcv_skb+0x130/0x360 [ 740.647148][ T73] netlink_unicast+0x449/0x710 [ 740.647148][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.647148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.647148][ T73] ___sys_sendmsg+0xee/0x170 [ 740.647148][ T73] __sys_sendmsg+0xcd/0x170 [ 740.647148][ T73] do_syscall_64+0xc6/0x1e0 [ 740.647148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.647148][ T73] [ 740.649413][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.649413][ T73] netdev_get_by_index+0x5e/0x80 [ 740.649413][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.649413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.649413][ T73] addrconf_f6i_alloc+0x315/0x560 [ 740.649413][ T73] ipv6_add_addr+0x411/0x2000 [ 740.649413][ T73] inet6_addr_add+0x30e/0xa40 [ 740.649413][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.649413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.649413][ T73] netlink_rcv_skb+0x130/0x360 [ 740.649413][ T73] netlink_unicast+0x449/0x710 [ 740.649413][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.649413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.649413][ T73] ___sys_sendmsg+0xee/0x170 [ 740.649413][ T73] __sys_sendmsg+0xcd/0x170 [ 740.649413][ T73] do_syscall_64+0xc6/0x1e0 [ 740.649413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.649413][ T73] [ 740.651728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.651728][ T73] netdev_get_by_index+0x5e/0x80 [ 740.651728][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.651728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.651728][ T73] ip6_route_add+0x1c/0x140 [ 740.651728][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 740.651728][ T73] addrconf_add_dev+0xe2/0x170 [ 740.651728][ T73] inet6_addr_add+0x12f/0xa40 [ 740.651728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.651728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.651728][ T73] netlink_rcv_skb+0x130/0x360 [ 740.651728][ T73] netlink_unicast+0x449/0x710 [ 740.651728][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.651728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.651728][ T73] ___sys_sendmsg+0xee/0x170 [ 740.651728][ T73] __sys_sendmsg+0xcd/0x170 [ 740.651728][ T73] do_syscall_64+0xc6/0x1e0 [ 740.651728][ T73] [ 740.653947][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.653947][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 740.653947][ T73] ipv6_find_idev+0x102/0x170 [ 740.653947][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.653947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.653947][ T73] netlink_rcv_skb+0x130/0x360 [ 740.653947][ T73] netlink_unicast+0x449/0x710 [ 740.653947][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.653947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.653947][ T73] ___sys_sendmsg+0xee/0x170 [ 740.653947][ T73] __sys_sendmsg+0xcd/0x170 [ 740.653947][ T73] do_syscall_64+0xc6/0x1e0 [ 740.653947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.653947][ T73] [ 740.655613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 740.655613][ T73] neigh_parms_alloc+0x1e5/0x510 [ 740.655613][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 740.655613][ T73] ipv6_find_idev+0x102/0x170 [ 740.655613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.655613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.655613][ T73] netlink_rcv_skb+0x130/0x360 [ 740.655613][ T73] netlink_unicast+0x449/0x710 [ 740.655613][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.655613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.655613][ T73] ___sys_sendmsg+0xee/0x170 [ 740.655613][ T73] __sys_sendmsg+0xcd/0x170 [ 740.655613][ T73] do_syscall_64+0xc6/0x1e0 [ 740.655613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.655613][ T73] [ 740.657568][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 740.658282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 740.658282][ T73] netdev_get_by_index+0x5e/0x80 [ 740.658282][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.658282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.658282][ T73] addrconf_f6i_alloc+0x265/0x560 [ 740.658282][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 740.658282][ T73] addrconf_join_anycast+0x1c0/0x220 [ 740.658282][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 740.658282][ T73] addrconf_dad_completed+0x12b/0xe20 [ 740.658282][ T73] addrconf_dad_begin+0x310/0x670 [ 740.658282][ T73] addrconf_dad_work+0x10b/0xab0 [ 740.658282][ T73] process_one_work+0x84d/0x18a0 [ 740.658282][ T73] worker_thread+0x587/0xd30 [ 740.658282][ T73] kthread+0x28a/0x350 [ 740.658282][ T73] ret_from_fork+0x31/0x70 [ 740.658282][ T73] ret_from_fork_asm+0x1a/0x30 [ 740.658282][ T73] [ 740.660203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 740.660203][ T73] netdev_get_by_index+0x5e/0x80 [ 740.660203][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.660203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.660203][ T73] ip6_route_add+0x1c/0x140 [ 740.660203][ T73] addrconf_prefix_route+0x2a6/0x430 [ 740.660203][ T73] inet6_addr_add+0x4f8/0xa40 [ 740.660203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.660203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.660203][ T73] netlink_rcv_skb+0x130/0x360 [ 740.660203][ T73] netlink_unicast+0x449/0x710 [ 740.660203][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.660203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.660203][ T73] ___sys_sendmsg+0xee/0x170 [ 740.660203][ T73] __sys_sendmsg+0xcd/0x170 [ 740.660203][ T73] do_syscall_64+0xc6/0x1e0 [ 740.660203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.660203][ T73] [ 740.662337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 740.662337][ T73] netdev_get_by_index+0x5e/0x80 [ 740.662337][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.662337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.662337][ T73] addrconf_f6i_alloc+0x315/0x560 [ 740.662337][ T73] ipv6_add_addr+0x411/0x2000 [ 740.662337][ T73] inet6_addr_add+0x30e/0xa40 [ 740.662337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.662337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.662337][ T73] netlink_rcv_skb+0x130/0x360 [ 740.662337][ T73] netlink_unicast+0x449/0x710 [ 740.662337][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.662337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.662337][ T73] ___sys_sendmsg+0xee/0x170 [ 740.662337][ T73] __sys_sendmsg+0xcd/0x170 [ 740.662337][ T73] do_syscall_64+0xc6/0x1e0 [ 740.662337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.662337][ T73] [ 740.664658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 740.664658][ T73] netdev_get_by_index+0x5e/0x80 [ 740.664658][ T73] fib6_nh_init+0x3d8/0x1580 [ 740.664658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 740.664658][ T73] ip6_route_add+0x1c/0x140 [ 740.664658][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 740.664658][ T73] addrconf_add_dev+0xe2/0x170 [ 740.664658][ T73] inet6_addr_add+0x12f/0xa40 [ 740.664658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 740.664658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.664658][ T73] netlink_rcv_skb+0x130/0x360 [ 740.664658][ T73] netlink_unicast+0x449/0x710 [ 740.664658][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.664658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.664658][ T73] ___sys_sendmsg+0xee/0x170 [ 740.664658][ T73] __sys_sendmsg+0xcd/0x170 [ 740.664658][ T73] do_syscall_64+0xc6/0x1e0 [ 740.664658][ T73] [ 740.666847][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 740.666847][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 740.666847][ T73] ipv6_find_idev+0x102/0x170 [ 740.666847][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.666847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.666847][ T73] netlink_rcv_skb+0x130/0x360 [ 740.666847][ T73] netlink_unicast+0x449/0x710 [ 740.666847][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.666847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.666847][ T73] ___sys_sendmsg+0xee/0x170 [ 740.666847][ T73] __sys_sendmsg+0xcd/0x170 [ 740.666847][ T73] do_syscall_64+0xc6/0x1e0 [ 740.666847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.666847][ T73] [ 740.668590][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 740.668590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 740.668590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 740.668590][ T73] ipv6_find_idev+0x102/0x170 [ 740.668590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 740.668590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 740.668590][ T73] netlink_rcv_skb+0x130/0x360 [ 740.668590][ T73] netlink_unicast+0x449/0x710 [ 740.668590][ T73] netlink_sendmsg+0x723/0xbe0 [ 740.668590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 740.668590][ T73] ___sys_sendmsg+0xee/0x170 [ 740.668590][ T73] __sys_sendmsg+0xcd/0x170 [ 740.668590][ T73] do_syscall_64+0xc6/0x1e0 [ 740.668590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 740.668590][ T73] [ 750.758913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 750.759329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.759329][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 750.759329][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 750.759329][ T73] fib6_nh_init+0xa22/0x1580 [ 750.759329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.759329][ T73] ip6_route_add+0x1c/0x140 [ 750.759329][ T73] inet6_rtm_newroute+0x104/0x110 [ 750.759329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.759329][ T73] netlink_rcv_skb+0x130/0x360 [ 750.759329][ T73] netlink_unicast+0x449/0x710 [ 750.759329][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.759329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.759329][ T73] ___sys_sendmsg+0xee/0x170 [ 750.759329][ T73] __sys_sendmsg+0xcd/0x170 [ 750.759329][ T73] do_syscall_64+0xc6/0x1e0 [ 750.759329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.759329][ T73] [ 750.761248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.761248][ T73] dst_init+0x84/0x4a0 [ 750.761248][ T73] dst_alloc+0x97/0x150 [ 750.761248][ T73] ip6_dst_alloc+0x23/0x90 [ 750.761248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 750.761248][ T73] ip6_pol_route+0x56f/0x840 [ 750.761248][ T73] fib6_rule_lookup+0x456/0x630 [ 750.761248][ T73] ip6_route_input+0x59c/0xa50 [ 750.761248][ T73] ipv6_rcv+0x397/0x810 [ 750.761248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 750.761248][ T73] process_backlog+0x101/0x620 [ 750.761248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 750.761248][ T73] net_rx_action+0x495/0xbe0 [ 750.761248][ T73] __do_softirq+0x1b5/0x7f6 [ 750.761248][ T73] [ 750.762900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.762900][ T73] netdev_get_by_index+0x5e/0x80 [ 750.762900][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.762900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.762900][ T73] ip6_route_add+0x1c/0x140 [ 750.762900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 750.762900][ T73] inet6_addr_add+0x4f8/0xa40 [ 750.762900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.762900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.762900][ T73] netlink_rcv_skb+0x130/0x360 [ 750.762900][ T73] netlink_unicast+0x449/0x710 [ 750.762900][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.762900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.762900][ T73] ___sys_sendmsg+0xee/0x170 [ 750.762900][ T73] __sys_sendmsg+0xcd/0x170 [ 750.762900][ T73] do_syscall_64+0xc6/0x1e0 [ 750.762900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.762900][ T73] [ 750.764925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.764925][ T73] netdev_get_by_index+0x5e/0x80 [ 750.764925][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.764925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.764925][ T73] addrconf_f6i_alloc+0x315/0x560 [ 750.764925][ T73] ipv6_add_addr+0x411/0x2000 [ 750.764925][ T73] inet6_addr_add+0x30e/0xa40 [ 750.764925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.764925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.764925][ T73] netlink_rcv_skb+0x130/0x360 [ 750.764925][ T73] netlink_unicast+0x449/0x710 [ 750.764925][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.764925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.764925][ T73] ___sys_sendmsg+0xee/0x170 [ 750.764925][ T73] __sys_sendmsg+0xcd/0x170 [ 750.764925][ T73] do_syscall_64+0xc6/0x1e0 [ 750.764925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.764925][ T73] [ 750.766941][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.766941][ T73] netdev_get_by_index+0x5e/0x80 [ 750.766941][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.766941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.766941][ T73] ip6_route_add+0x1c/0x140 [ 750.766941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 750.766941][ T73] addrconf_add_dev+0xe2/0x170 [ 750.766941][ T73] inet6_addr_add+0x12f/0xa40 [ 750.766941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.766941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.766941][ T73] netlink_rcv_skb+0x130/0x360 [ 750.766941][ T73] netlink_unicast+0x449/0x710 [ 750.766941][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.766941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.766941][ T73] ___sys_sendmsg+0xee/0x170 [ 750.766941][ T73] __sys_sendmsg+0xcd/0x170 [ 750.766941][ T73] do_syscall_64+0xc6/0x1e0 [ 750.766941][ T73] [ 750.768914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.768914][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 750.768914][ T73] ipv6_find_idev+0x102/0x170 [ 750.768914][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.768914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.768914][ T73] netlink_rcv_skb+0x130/0x360 [ 750.768914][ T73] netlink_unicast+0x449/0x710 [ 750.768914][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.768914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.768914][ T73] ___sys_sendmsg+0xee/0x170 [ 750.768914][ T73] __sys_sendmsg+0xcd/0x170 [ 750.768914][ T73] do_syscall_64+0xc6/0x1e0 [ 750.768914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.768914][ T73] [ 750.770457][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 750.770457][ T73] neigh_parms_alloc+0x1e5/0x510 [ 750.770457][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 750.770457][ T73] ipv6_find_idev+0x102/0x170 [ 750.770457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.770457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.770457][ T73] netlink_rcv_skb+0x130/0x360 [ 750.770457][ T73] netlink_unicast+0x449/0x710 [ 750.770457][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.770457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.770457][ T73] ___sys_sendmsg+0xee/0x170 [ 750.770457][ T73] __sys_sendmsg+0xcd/0x170 [ 750.770457][ T73] do_syscall_64+0xc6/0x1e0 [ 750.770457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.770457][ T73] [ 750.772191][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 750.772471][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.772471][ T73] dst_init+0x84/0x4a0 [ 750.772471][ T73] dst_alloc+0x97/0x150 [ 750.772471][ T73] ip6_dst_alloc+0x23/0x90 [ 750.772471][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 750.772471][ T73] ip6_pol_route+0x56f/0x840 [ 750.772471][ T73] fib6_rule_lookup+0x456/0x630 [ 750.772471][ T73] ip6_route_input+0x59c/0xa50 [ 750.772471][ T73] ipv6_rcv+0x397/0x810 [ 750.772471][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 750.772471][ T73] process_backlog+0x101/0x620 [ 750.772471][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 750.772471][ T73] net_rx_action+0x495/0xbe0 [ 750.772471][ T73] __do_softirq+0x1b5/0x7f6 [ 750.772471][ T73] [ 750.774123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.774123][ T73] netdev_get_by_index+0x5e/0x80 [ 750.774123][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.774123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.774123][ T73] addrconf_f6i_alloc+0x265/0x560 [ 750.774123][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 750.774123][ T73] addrconf_join_anycast+0x1c0/0x220 [ 750.774123][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 750.774123][ T73] addrconf_dad_completed+0x12b/0xe20 [ 750.774123][ T73] addrconf_dad_begin+0x310/0x670 [ 750.774123][ T73] addrconf_dad_work+0x10b/0xab0 [ 750.774123][ T73] process_one_work+0x84d/0x18a0 [ 750.774123][ T73] worker_thread+0x587/0xd30 [ 750.774123][ T73] kthread+0x28a/0x350 [ 750.774123][ T73] ret_from_fork+0x31/0x70 [ 750.774123][ T73] ret_from_fork_asm+0x1a/0x30 [ 750.774123][ T73] [ 750.776040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.776040][ T73] netdev_get_by_index+0x5e/0x80 [ 750.776040][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.776040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.776040][ T73] ip6_route_add+0x1c/0x140 [ 750.776040][ T73] addrconf_prefix_route+0x2a6/0x430 [ 750.776040][ T73] inet6_addr_add+0x4f8/0xa40 [ 750.776040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.776040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.776040][ T73] netlink_rcv_skb+0x130/0x360 [ 750.776040][ T73] netlink_unicast+0x449/0x710 [ 750.776040][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.776040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.776040][ T73] ___sys_sendmsg+0xee/0x170 [ 750.776040][ T73] __sys_sendmsg+0xcd/0x170 [ 750.776040][ T73] do_syscall_64+0xc6/0x1e0 [ 750.776040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.776040][ T73] [ 750.778060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.778060][ T73] netdev_get_by_index+0x5e/0x80 [ 750.778060][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.778060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.778060][ T73] addrconf_f6i_alloc+0x315/0x560 [ 750.778060][ T73] ipv6_add_addr+0x411/0x2000 [ 750.778060][ T73] inet6_addr_add+0x30e/0xa40 [ 750.778060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.778060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.778060][ T73] netlink_rcv_skb+0x130/0x360 [ 750.778060][ T73] netlink_unicast+0x449/0x710 [ 750.778060][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.778060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.778060][ T73] ___sys_sendmsg+0xee/0x170 [ 750.778060][ T73] __sys_sendmsg+0xcd/0x170 [ 750.778060][ T73] do_syscall_64+0xc6/0x1e0 [ 750.778060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.778060][ T73] [ 750.780067][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.780067][ T73] netdev_get_by_index+0x5e/0x80 [ 750.780067][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.780067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.780067][ T73] ip6_route_add+0x1c/0x140 [ 750.780067][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 750.780067][ T73] addrconf_add_dev+0xe2/0x170 [ 750.780067][ T73] inet6_addr_add+0x12f/0xa40 [ 750.780067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.780067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.780067][ T73] netlink_rcv_skb+0x130/0x360 [ 750.780067][ T73] netlink_unicast+0x449/0x710 [ 750.780067][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.780067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.780067][ T73] ___sys_sendmsg+0xee/0x170 [ 750.780067][ T73] __sys_sendmsg+0xcd/0x170 [ 750.780067][ T73] do_syscall_64+0xc6/0x1e0 [ 750.780067][ T73] [ 750.782032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.782032][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 750.782032][ T73] ipv6_find_idev+0x102/0x170 [ 750.782032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.782032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.782032][ T73] netlink_rcv_skb+0x130/0x360 [ 750.782032][ T73] netlink_unicast+0x449/0x710 [ 750.782032][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.782032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.782032][ T73] ___sys_sendmsg+0xee/0x170 [ 750.782032][ T73] __sys_sendmsg+0xcd/0x170 [ 750.782032][ T73] do_syscall_64+0xc6/0x1e0 [ 750.782032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.782032][ T73] [ 750.783591][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 750.783591][ T73] neigh_parms_alloc+0x1e5/0x510 [ 750.783591][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 750.783591][ T73] ipv6_find_idev+0x102/0x170 [ 750.783591][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.783591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.783591][ T73] netlink_rcv_skb+0x130/0x360 [ 750.783591][ T73] netlink_unicast+0x449/0x710 [ 750.783591][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.783591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.783591][ T73] ___sys_sendmsg+0xee/0x170 [ 750.783591][ T73] __sys_sendmsg+0xcd/0x170 [ 750.783591][ T73] do_syscall_64+0xc6/0x1e0 [ 750.783591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.783591][ T73] [ 750.785424][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 750.785706][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.785706][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 750.785706][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 750.785706][ T73] fib6_nh_init+0xa22/0x1580 [ 750.785706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.785706][ T73] ip6_route_add+0x1c/0x140 [ 750.785706][ T73] inet6_rtm_newroute+0x104/0x110 [ 750.785706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.785706][ T73] netlink_rcv_skb+0x130/0x360 [ 750.785706][ T73] netlink_unicast+0x449/0x710 [ 750.785706][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.785706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.785706][ T73] ___sys_sendmsg+0xee/0x170 [ 750.785706][ T73] __sys_sendmsg+0xcd/0x170 [ 750.785706][ T73] do_syscall_64+0xc6/0x1e0 [ 750.785706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.785706][ T73] [ 750.787842][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.787842][ T73] dst_init+0x84/0x4a0 [ 750.787842][ T73] dst_alloc+0x97/0x150 [ 750.787842][ T73] ip6_dst_alloc+0x23/0x90 [ 750.787842][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 750.787842][ T73] ip6_pol_route+0x56f/0x840 [ 750.787842][ T73] fib6_rule_lookup+0x456/0x630 [ 750.787842][ T73] ip6_route_input+0x59c/0xa50 [ 750.787842][ T73] ipv6_rcv+0x397/0x810 [ 750.787842][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 750.787842][ T73] process_backlog+0x101/0x620 [ 750.787842][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 750.787842][ T73] net_rx_action+0x495/0xbe0 [ 750.787842][ T73] __do_softirq+0x1b5/0x7f6 [ 750.787842][ T73] [ 750.789674][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.789674][ T73] netdev_get_by_index+0x5e/0x80 [ 750.789674][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.789674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.789674][ T73] ip6_route_add+0x1c/0x140 [ 750.789674][ T73] addrconf_prefix_route+0x2a6/0x430 [ 750.789674][ T73] inet6_addr_add+0x4f8/0xa40 [ 750.789674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.789674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.789674][ T73] netlink_rcv_skb+0x130/0x360 [ 750.789674][ T73] netlink_unicast+0x449/0x710 [ 750.789674][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.789674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.789674][ T73] ___sys_sendmsg+0xee/0x170 [ 750.789674][ T73] __sys_sendmsg+0xcd/0x170 [ 750.789674][ T73] do_syscall_64+0xc6/0x1e0 [ 750.789674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.789674][ T73] [ 750.791989][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.791989][ T73] netdev_get_by_index+0x5e/0x80 [ 750.791989][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.791989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.791989][ T73] addrconf_f6i_alloc+0x315/0x560 [ 750.791989][ T73] ipv6_add_addr+0x411/0x2000 [ 750.791989][ T73] inet6_addr_add+0x30e/0xa40 [ 750.791989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.791989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.791989][ T73] netlink_rcv_skb+0x130/0x360 [ 750.791989][ T73] netlink_unicast+0x449/0x710 [ 750.791989][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.791989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.791989][ T73] ___sys_sendmsg+0xee/0x170 [ 750.791989][ T73] __sys_sendmsg+0xcd/0x170 [ 750.791989][ T73] do_syscall_64+0xc6/0x1e0 [ 750.791989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.791989][ T73] [ 750.794237][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.794237][ T73] netdev_get_by_index+0x5e/0x80 [ 750.794237][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.794237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.794237][ T73] ip6_route_add+0x1c/0x140 [ 750.794237][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 750.794237][ T73] addrconf_add_dev+0xe2/0x170 [ 750.794237][ T73] inet6_addr_add+0x12f/0xa40 [ 750.794237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.794237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.794237][ T73] netlink_rcv_skb+0x130/0x360 [ 750.794237][ T73] netlink_unicast+0x449/0x710 [ 750.794237][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.794237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.794237][ T73] ___sys_sendmsg+0xee/0x170 [ 750.794237][ T73] __sys_sendmsg+0xcd/0x170 [ 750.794237][ T73] do_syscall_64+0xc6/0x1e0 [ 750.794237][ T73] [ 750.796459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.796459][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 750.796459][ T73] ipv6_find_idev+0x102/0x170 [ 750.796459][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.796459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.796459][ T73] netlink_rcv_skb+0x130/0x360 [ 750.796459][ T73] netlink_unicast+0x449/0x710 [ 750.796459][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.796459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.796459][ T73] ___sys_sendmsg+0xee/0x170 [ 750.796459][ T73] __sys_sendmsg+0xcd/0x170 [ 750.796459][ T73] do_syscall_64+0xc6/0x1e0 [ 750.796459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.796459][ T73] [ 750.798129][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 750.798129][ T73] neigh_parms_alloc+0x1e5/0x510 [ 750.798129][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 750.798129][ T73] ipv6_find_idev+0x102/0x170 [ 750.798129][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.798129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.798129][ T73] netlink_rcv_skb+0x130/0x360 [ 750.798129][ T73] netlink_unicast+0x449/0x710 [ 750.798129][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.798129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.798129][ T73] ___sys_sendmsg+0xee/0x170 [ 750.798129][ T73] __sys_sendmsg+0xcd/0x170 [ 750.798129][ T73] do_syscall_64+0xc6/0x1e0 [ 750.798129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.798129][ T73] [ 750.800147][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 750.800430][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 750.800430][ T73] netdev_get_by_index+0x5e/0x80 [ 750.800430][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.800430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.800430][ T73] addrconf_f6i_alloc+0x265/0x560 [ 750.800430][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 750.800430][ T73] addrconf_join_anycast+0x1c0/0x220 [ 750.800430][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 750.800430][ T73] addrconf_dad_completed+0x12b/0xe20 [ 750.800430][ T73] addrconf_dad_begin+0x310/0x670 [ 750.800430][ T73] addrconf_dad_work+0x10b/0xab0 [ 750.800430][ T73] process_one_work+0x84d/0x18a0 [ 750.800430][ T73] worker_thread+0x587/0xd30 [ 750.800430][ T73] kthread+0x28a/0x350 [ 750.800430][ T73] ret_from_fork+0x31/0x70 [ 750.800430][ T73] ret_from_fork_asm+0x1a/0x30 [ 750.800430][ T73] [ 750.802588][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 750.802588][ T73] netdev_get_by_index+0x5e/0x80 [ 750.802588][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.802588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.802588][ T73] ip6_route_add+0x1c/0x140 [ 750.802588][ T73] addrconf_prefix_route+0x2a6/0x430 [ 750.802588][ T73] inet6_addr_add+0x4f8/0xa40 [ 750.802588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.802588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.802588][ T73] netlink_rcv_skb+0x130/0x360 [ 750.802588][ T73] netlink_unicast+0x449/0x710 [ 750.802588][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.802588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.802588][ T73] ___sys_sendmsg+0xee/0x170 [ 750.802588][ T73] __sys_sendmsg+0xcd/0x170 [ 750.802588][ T73] do_syscall_64+0xc6/0x1e0 [ 750.802588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.802588][ T73] [ 750.804832][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 750.804832][ T73] netdev_get_by_index+0x5e/0x80 [ 750.804832][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.804832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.804832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 750.804832][ T73] ipv6_add_addr+0x411/0x2000 [ 750.804832][ T73] inet6_addr_add+0x30e/0xa40 [ 750.804832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.804832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.804832][ T73] netlink_rcv_skb+0x130/0x360 [ 750.804832][ T73] netlink_unicast+0x449/0x710 [ 750.804832][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.804832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.804832][ T73] ___sys_sendmsg+0xee/0x170 [ 750.804832][ T73] __sys_sendmsg+0xcd/0x170 [ 750.804832][ T73] do_syscall_64+0xc6/0x1e0 [ 750.804832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.804832][ T73] [ 750.807020][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 750.807020][ T73] netdev_get_by_index+0x5e/0x80 [ 750.807020][ T73] fib6_nh_init+0x3d8/0x1580 [ 750.807020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 750.807020][ T73] ip6_route_add+0x1c/0x140 [ 750.807020][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 750.807020][ T73] addrconf_add_dev+0xe2/0x170 [ 750.807020][ T73] inet6_addr_add+0x12f/0xa40 [ 750.807020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 750.807020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.807020][ T73] netlink_rcv_skb+0x130/0x360 [ 750.807020][ T73] netlink_unicast+0x449/0x710 [ 750.807020][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.807020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.807020][ T73] ___sys_sendmsg+0xee/0x170 [ 750.807020][ T73] __sys_sendmsg+0xcd/0x170 [ 750.807020][ T73] do_syscall_64+0xc6/0x1e0 [ 750.807020][ T73] [ 750.809347][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 750.809347][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 750.809347][ T73] ipv6_find_idev+0x102/0x170 [ 750.809347][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.809347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.809347][ T73] netlink_rcv_skb+0x130/0x360 [ 750.809347][ T73] netlink_unicast+0x449/0x710 [ 750.809347][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.809347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.809347][ T73] ___sys_sendmsg+0xee/0x170 [ 750.809347][ T73] __sys_sendmsg+0xcd/0x170 [ 750.809347][ T73] do_syscall_64+0xc6/0x1e0 [ 750.809347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.809347][ T73] [ 750.811600][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 750.811600][ T73] neigh_parms_alloc+0x1e5/0x510 [ 750.811600][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 750.811600][ T73] ipv6_find_idev+0x102/0x170 [ 750.811600][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 750.811600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 750.811600][ T73] netlink_rcv_skb+0x130/0x360 [ 750.811600][ T73] netlink_unicast+0x449/0x710 [ 750.811600][ T73] netlink_sendmsg+0x723/0xbe0 [ 750.811600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 750.811600][ T73] ___sys_sendmsg+0xee/0x170 [ 750.811600][ T73] __sys_sendmsg+0xcd/0x170 [ 750.811600][ T73] do_syscall_64+0xc6/0x1e0 [ 750.811600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 750.811600][ T73] [ 760.862918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 760.863299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.863299][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 760.863299][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 760.863299][ T73] fib6_nh_init+0xa22/0x1580 [ 760.863299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.863299][ T73] ip6_route_add+0x1c/0x140 [ 760.863299][ T73] inet6_rtm_newroute+0x104/0x110 [ 760.863299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.863299][ T73] netlink_rcv_skb+0x130/0x360 [ 760.863299][ T73] netlink_unicast+0x449/0x710 [ 760.863299][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.863299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.863299][ T73] ___sys_sendmsg+0xee/0x170 [ 760.863299][ T73] __sys_sendmsg+0xcd/0x170 [ 760.863299][ T73] do_syscall_64+0xc6/0x1e0 [ 760.863299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.863299][ T73] [ 760.865189][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.865189][ T73] dst_init+0x84/0x4a0 [ 760.865189][ T73] dst_alloc+0x97/0x150 [ 760.865189][ T73] ip6_dst_alloc+0x23/0x90 [ 760.865189][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 760.865189][ T73] ip6_pol_route+0x56f/0x840 [ 760.865189][ T73] fib6_rule_lookup+0x456/0x630 [ 760.865189][ T73] ip6_route_input+0x59c/0xa50 [ 760.865189][ T73] ipv6_rcv+0x397/0x810 [ 760.865189][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 760.865189][ T73] process_backlog+0x101/0x620 [ 760.865189][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 760.865189][ T73] net_rx_action+0x495/0xbe0 [ 760.865189][ T73] __do_softirq+0x1b5/0x7f6 [ 760.865189][ T73] [ 760.866830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.866830][ T73] netdev_get_by_index+0x5e/0x80 [ 760.866830][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.866830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.866830][ T73] ip6_route_add+0x1c/0x140 [ 760.866830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 760.866830][ T73] inet6_addr_add+0x4f8/0xa40 [ 760.866830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.866830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.866830][ T73] netlink_rcv_skb+0x130/0x360 [ 760.866830][ T73] netlink_unicast+0x449/0x710 [ 760.866830][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.866830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.866830][ T73] ___sys_sendmsg+0xee/0x170 [ 760.866830][ T73] __sys_sendmsg+0xcd/0x170 [ 760.866830][ T73] do_syscall_64+0xc6/0x1e0 [ 760.866830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.866830][ T73] [ 760.868839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.868839][ T73] netdev_get_by_index+0x5e/0x80 [ 760.868839][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.868839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.868839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 760.868839][ T73] ipv6_add_addr+0x411/0x2000 [ 760.868839][ T73] inet6_addr_add+0x30e/0xa40 [ 760.868839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.868839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.868839][ T73] netlink_rcv_skb+0x130/0x360 [ 760.868839][ T73] netlink_unicast+0x449/0x710 [ 760.868839][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.868839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.868839][ T73] ___sys_sendmsg+0xee/0x170 [ 760.868839][ T73] __sys_sendmsg+0xcd/0x170 [ 760.868839][ T73] do_syscall_64+0xc6/0x1e0 [ 760.868839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.868839][ T73] [ 760.870828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.870828][ T73] netdev_get_by_index+0x5e/0x80 [ 760.870828][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.870828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.870828][ T73] ip6_route_add+0x1c/0x140 [ 760.870828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 760.870828][ T73] addrconf_add_dev+0xe2/0x170 [ 760.870828][ T73] inet6_addr_add+0x12f/0xa40 [ 760.870828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.870828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.870828][ T73] netlink_rcv_skb+0x130/0x360 [ 760.870828][ T73] netlink_unicast+0x449/0x710 [ 760.870828][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.870828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.870828][ T73] ___sys_sendmsg+0xee/0x170 [ 760.870828][ T73] __sys_sendmsg+0xcd/0x170 [ 760.870828][ T73] do_syscall_64+0xc6/0x1e0 [ 760.870828][ T73] [ 760.872819][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.872819][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 760.872819][ T73] ipv6_find_idev+0x102/0x170 [ 760.872819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.872819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.872819][ T73] netlink_rcv_skb+0x130/0x360 [ 760.872819][ T73] netlink_unicast+0x449/0x710 [ 760.872819][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.872819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.872819][ T73] ___sys_sendmsg+0xee/0x170 [ 760.872819][ T73] __sys_sendmsg+0xcd/0x170 [ 760.872819][ T73] do_syscall_64+0xc6/0x1e0 [ 760.872819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.872819][ T73] [ 760.874361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 760.874361][ T73] neigh_parms_alloc+0x1e5/0x510 [ 760.874361][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 760.874361][ T73] ipv6_find_idev+0x102/0x170 [ 760.874361][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.874361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.874361][ T73] netlink_rcv_skb+0x130/0x360 [ 760.874361][ T73] netlink_unicast+0x449/0x710 [ 760.874361][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.874361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.874361][ T73] ___sys_sendmsg+0xee/0x170 [ 760.874361][ T73] __sys_sendmsg+0xcd/0x170 [ 760.874361][ T73] do_syscall_64+0xc6/0x1e0 [ 760.874361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.874361][ T73] [ 760.876058][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 760.876328][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.876328][ T73] dst_init+0x84/0x4a0 [ 760.876328][ T73] dst_alloc+0x97/0x150 [ 760.876328][ T73] ip6_dst_alloc+0x23/0x90 [ 760.876328][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 760.876328][ T73] ip6_pol_route+0x56f/0x840 [ 760.876328][ T73] fib6_rule_lookup+0x456/0x630 [ 760.876328][ T73] ip6_route_input+0x59c/0xa50 [ 760.876328][ T73] ipv6_rcv+0x397/0x810 [ 760.876328][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 760.876328][ T73] process_backlog+0x101/0x620 [ 760.876328][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 760.876328][ T73] net_rx_action+0x495/0xbe0 [ 760.876328][ T73] __do_softirq+0x1b5/0x7f6 [ 760.876328][ T73] [ 760.877976][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.877976][ T73] netdev_get_by_index+0x5e/0x80 [ 760.877976][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.877976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.877976][ T73] addrconf_f6i_alloc+0x265/0x560 [ 760.877976][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 760.877976][ T73] addrconf_join_anycast+0x1c0/0x220 [ 760.877976][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 760.877976][ T73] addrconf_dad_completed+0x12b/0xe20 [ 760.877976][ T73] addrconf_dad_begin+0x310/0x670 [ 760.877976][ T73] addrconf_dad_work+0x10b/0xab0 [ 760.877976][ T73] process_one_work+0x84d/0x18a0 [ 760.877976][ T73] worker_thread+0x587/0xd30 [ 760.877976][ T73] kthread+0x28a/0x350 [ 760.877976][ T73] ret_from_fork+0x31/0x70 [ 760.877976][ T73] ret_from_fork_asm+0x1a/0x30 [ 760.877976][ T73] [ 760.880268][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.880268][ T73] netdev_get_by_index+0x5e/0x80 [ 760.880268][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.880268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.880268][ T73] ip6_route_add+0x1c/0x140 [ 760.880268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 760.880268][ T73] inet6_addr_add+0x4f8/0xa40 [ 760.880268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.880268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.880268][ T73] netlink_rcv_skb+0x130/0x360 [ 760.880268][ T73] netlink_unicast+0x449/0x710 [ 760.880268][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.880268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.880268][ T73] ___sys_sendmsg+0xee/0x170 [ 760.880268][ T73] __sys_sendmsg+0xcd/0x170 [ 760.880268][ T73] do_syscall_64+0xc6/0x1e0 [ 760.880268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.880268][ T73] [ 760.882265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.882265][ T73] netdev_get_by_index+0x5e/0x80 [ 760.882265][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.882265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.882265][ T73] addrconf_f6i_alloc+0x315/0x560 [ 760.882265][ T73] ipv6_add_addr+0x411/0x2000 [ 760.882265][ T73] inet6_addr_add+0x30e/0xa40 [ 760.882265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.882265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.882265][ T73] netlink_rcv_skb+0x130/0x360 [ 760.882265][ T73] netlink_unicast+0x449/0x710 [ 760.882265][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.882265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.882265][ T73] ___sys_sendmsg+0xee/0x170 [ 760.882265][ T73] __sys_sendmsg+0xcd/0x170 [ 760.882265][ T73] do_syscall_64+0xc6/0x1e0 [ 760.882265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.882265][ T73] [ 760.884253][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.884253][ T73] netdev_get_by_index+0x5e/0x80 [ 760.884253][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.884253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.884253][ T73] ip6_route_add+0x1c/0x140 [ 760.884253][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 760.884253][ T73] addrconf_add_dev+0xe2/0x170 [ 760.884253][ T73] inet6_addr_add+0x12f/0xa40 [ 760.884253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.884253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.884253][ T73] netlink_rcv_skb+0x130/0x360 [ 760.884253][ T73] netlink_unicast+0x449/0x710 [ 760.884253][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.884253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.884253][ T73] ___sys_sendmsg+0xee/0x170 [ 760.884253][ T73] __sys_sendmsg+0xcd/0x170 [ 760.884253][ T73] do_syscall_64+0xc6/0x1e0 [ 760.884253][ T73] [ 760.886220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.886220][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 760.886220][ T73] ipv6_find_idev+0x102/0x170 [ 760.886220][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.886220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.886220][ T73] netlink_rcv_skb+0x130/0x360 [ 760.886220][ T73] netlink_unicast+0x449/0x710 [ 760.886220][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.886220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.886220][ T73] ___sys_sendmsg+0xee/0x170 [ 760.886220][ T73] __sys_sendmsg+0xcd/0x170 [ 760.886220][ T73] do_syscall_64+0xc6/0x1e0 [ 760.886220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.886220][ T73] [ 760.887755][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 760.887755][ T73] neigh_parms_alloc+0x1e5/0x510 [ 760.887755][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 760.887755][ T73] ipv6_find_idev+0x102/0x170 [ 760.887755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.887755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.887755][ T73] netlink_rcv_skb+0x130/0x360 [ 760.887755][ T73] netlink_unicast+0x449/0x710 [ 760.887755][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.887755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.887755][ T73] ___sys_sendmsg+0xee/0x170 [ 760.887755][ T73] __sys_sendmsg+0xcd/0x170 [ 760.887755][ T73] do_syscall_64+0xc6/0x1e0 [ 760.887755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.887755][ T73] [ 760.889554][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 760.889862][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.889862][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 760.889862][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 760.889862][ T73] fib6_nh_init+0xa22/0x1580 [ 760.889862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.889862][ T73] ip6_route_add+0x1c/0x140 [ 760.889862][ T73] inet6_rtm_newroute+0x104/0x110 [ 760.889862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.889862][ T73] netlink_rcv_skb+0x130/0x360 [ 760.889862][ T73] netlink_unicast+0x449/0x710 [ 760.889862][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.889862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.889862][ T73] ___sys_sendmsg+0xee/0x170 [ 760.889862][ T73] __sys_sendmsg+0xcd/0x170 [ 760.889862][ T73] do_syscall_64+0xc6/0x1e0 [ 760.889862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.889862][ T73] [ 760.891982][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.891982][ T73] dst_init+0x84/0x4a0 [ 760.891982][ T73] dst_alloc+0x97/0x150 [ 760.891982][ T73] ip6_dst_alloc+0x23/0x90 [ 760.891982][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 760.891982][ T73] ip6_pol_route+0x56f/0x840 [ 760.891982][ T73] fib6_rule_lookup+0x456/0x630 [ 760.891982][ T73] ip6_route_input+0x59c/0xa50 [ 760.891982][ T73] ipv6_rcv+0x397/0x810 [ 760.891982][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 760.891982][ T73] process_backlog+0x101/0x620 [ 760.891982][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 760.891982][ T73] net_rx_action+0x495/0xbe0 [ 760.891982][ T73] __do_softirq+0x1b5/0x7f6 [ 760.891982][ T73] [ 760.893800][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.893800][ T73] netdev_get_by_index+0x5e/0x80 [ 760.893800][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.893800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.893800][ T73] ip6_route_add+0x1c/0x140 [ 760.893800][ T73] addrconf_prefix_route+0x2a6/0x430 [ 760.893800][ T73] inet6_addr_add+0x4f8/0xa40 [ 760.893800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.893800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.893800][ T73] netlink_rcv_skb+0x130/0x360 [ 760.893800][ T73] netlink_unicast+0x449/0x710 [ 760.893800][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.893800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.893800][ T73] ___sys_sendmsg+0xee/0x170 [ 760.893800][ T73] __sys_sendmsg+0xcd/0x170 [ 760.893800][ T73] do_syscall_64+0xc6/0x1e0 [ 760.893800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.893800][ T73] [ 760.896043][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.896043][ T73] netdev_get_by_index+0x5e/0x80 [ 760.896043][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.896043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.896043][ T73] addrconf_f6i_alloc+0x315/0x560 [ 760.896043][ T73] ipv6_add_addr+0x411/0x2000 [ 760.896043][ T73] inet6_addr_add+0x30e/0xa40 [ 760.896043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.896043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.896043][ T73] netlink_rcv_skb+0x130/0x360 [ 760.896043][ T73] netlink_unicast+0x449/0x710 [ 760.896043][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.896043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.896043][ T73] ___sys_sendmsg+0xee/0x170 [ 760.896043][ T73] __sys_sendmsg+0xcd/0x170 [ 760.896043][ T73] do_syscall_64+0xc6/0x1e0 [ 760.896043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.896043][ T73] [ 760.898296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.898296][ T73] netdev_get_by_index+0x5e/0x80 [ 760.898296][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.898296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.898296][ T73] ip6_route_add+0x1c/0x140 [ 760.898296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 760.898296][ T73] addrconf_add_dev+0xe2/0x170 [ 760.898296][ T73] inet6_addr_add+0x12f/0xa40 [ 760.898296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.898296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.898296][ T73] netlink_rcv_skb+0x130/0x360 [ 760.898296][ T73] netlink_unicast+0x449/0x710 [ 760.898296][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.898296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.898296][ T73] ___sys_sendmsg+0xee/0x170 [ 760.898296][ T73] __sys_sendmsg+0xcd/0x170 [ 760.898296][ T73] do_syscall_64+0xc6/0x1e0 [ 760.898296][ T73] [ 760.900449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.900449][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 760.900449][ T73] ipv6_find_idev+0x102/0x170 [ 760.900449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.900449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.900449][ T73] netlink_rcv_skb+0x130/0x360 [ 760.900449][ T73] netlink_unicast+0x449/0x710 [ 760.900449][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.900449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.900449][ T73] ___sys_sendmsg+0xee/0x170 [ 760.900449][ T73] __sys_sendmsg+0xcd/0x170 [ 760.900449][ T73] do_syscall_64+0xc6/0x1e0 [ 760.900449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.900449][ T73] [ 760.902170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 760.902170][ T73] neigh_parms_alloc+0x1e5/0x510 [ 760.902170][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 760.902170][ T73] ipv6_find_idev+0x102/0x170 [ 760.902170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.902170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.902170][ T73] netlink_rcv_skb+0x130/0x360 [ 760.902170][ T73] netlink_unicast+0x449/0x710 [ 760.902170][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.902170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.902170][ T73] ___sys_sendmsg+0xee/0x170 [ 760.902170][ T73] __sys_sendmsg+0xcd/0x170 [ 760.902170][ T73] do_syscall_64+0xc6/0x1e0 [ 760.902170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.902170][ T73] [ 760.904186][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 760.904461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 760.904461][ T73] netdev_get_by_index+0x5e/0x80 [ 760.904461][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.904461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.904461][ T73] addrconf_f6i_alloc+0x265/0x560 [ 760.904461][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 760.904461][ T73] addrconf_join_anycast+0x1c0/0x220 [ 760.904461][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 760.904461][ T73] addrconf_dad_completed+0x12b/0xe20 [ 760.904461][ T73] addrconf_dad_begin+0x310/0x670 [ 760.904461][ T73] addrconf_dad_work+0x10b/0xab0 [ 760.904461][ T73] process_one_work+0x84d/0x18a0 [ 760.904461][ T73] worker_thread+0x587/0xd30 [ 760.904461][ T73] kthread+0x28a/0x350 [ 760.904461][ T73] ret_from_fork+0x31/0x70 [ 760.904461][ T73] ret_from_fork_asm+0x1a/0x30 [ 760.904461][ T73] [ 760.906623][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 760.906623][ T73] netdev_get_by_index+0x5e/0x80 [ 760.906623][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.906623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.906623][ T73] ip6_route_add+0x1c/0x140 [ 760.906623][ T73] addrconf_prefix_route+0x2a6/0x430 [ 760.906623][ T73] inet6_addr_add+0x4f8/0xa40 [ 760.906623][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.906623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.906623][ T73] netlink_rcv_skb+0x130/0x360 [ 760.906623][ T73] netlink_unicast+0x449/0x710 [ 760.906623][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.906623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.906623][ T73] ___sys_sendmsg+0xee/0x170 [ 760.906623][ T73] __sys_sendmsg+0xcd/0x170 [ 760.906623][ T73] do_syscall_64+0xc6/0x1e0 [ 760.906623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.906623][ T73] [ 760.908866][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 760.908866][ T73] netdev_get_by_index+0x5e/0x80 [ 760.908866][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.908866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.908866][ T73] addrconf_f6i_alloc+0x315/0x560 [ 760.908866][ T73] ipv6_add_addr+0x411/0x2000 [ 760.908866][ T73] inet6_addr_add+0x30e/0xa40 [ 760.908866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.908866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.908866][ T73] netlink_rcv_skb+0x130/0x360 [ 760.908866][ T73] netlink_unicast+0x449/0x710 [ 760.908866][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.908866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.908866][ T73] ___sys_sendmsg+0xee/0x170 [ 760.908866][ T73] __sys_sendmsg+0xcd/0x170 [ 760.908866][ T73] do_syscall_64+0xc6/0x1e0 [ 760.908866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.908866][ T73] [ 760.911099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 760.911099][ T73] netdev_get_by_index+0x5e/0x80 [ 760.911099][ T73] fib6_nh_init+0x3d8/0x1580 [ 760.911099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 760.911099][ T73] ip6_route_add+0x1c/0x140 [ 760.911099][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 760.911099][ T73] addrconf_add_dev+0xe2/0x170 [ 760.911099][ T73] inet6_addr_add+0x12f/0xa40 [ 760.911099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 760.911099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.911099][ T73] netlink_rcv_skb+0x130/0x360 [ 760.911099][ T73] netlink_unicast+0x449/0x710 [ 760.911099][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.911099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.911099][ T73] ___sys_sendmsg+0xee/0x170 [ 760.911099][ T73] __sys_sendmsg+0xcd/0x170 [ 760.911099][ T73] do_syscall_64+0xc6/0x1e0 [ 760.911099][ T73] [ 760.913427][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 760.913427][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 760.913427][ T73] ipv6_find_idev+0x102/0x170 [ 760.913427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.913427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.913427][ T73] netlink_rcv_skb+0x130/0x360 [ 760.913427][ T73] netlink_unicast+0x449/0x710 [ 760.913427][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.913427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.913427][ T73] ___sys_sendmsg+0xee/0x170 [ 760.913427][ T73] __sys_sendmsg+0xcd/0x170 [ 760.913427][ T73] do_syscall_64+0xc6/0x1e0 [ 760.913427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.913427][ T73] [ 760.915139][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 760.915139][ T73] neigh_parms_alloc+0x1e5/0x510 [ 760.915139][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 760.915139][ T73] ipv6_find_idev+0x102/0x170 [ 760.915139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 760.915139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 760.915139][ T73] netlink_rcv_skb+0x130/0x360 [ 760.915139][ T73] netlink_unicast+0x449/0x710 [ 760.915139][ T73] netlink_sendmsg+0x723/0xbe0 [ 760.915139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 760.915139][ T73] ___sys_sendmsg+0xee/0x170 [ 760.915139][ T73] __sys_sendmsg+0xcd/0x170 [ 760.915139][ T73] do_syscall_64+0xc6/0x1e0 [ 760.915139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 760.915139][ T73] [ 770.934872][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 770.935347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.935347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 770.935347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 770.935347][ T73] fib6_nh_init+0xa22/0x1580 [ 770.935347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.935347][ T73] ip6_route_add+0x1c/0x140 [ 770.935347][ T73] inet6_rtm_newroute+0x104/0x110 [ 770.935347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.935347][ T73] netlink_rcv_skb+0x130/0x360 [ 770.935347][ T73] netlink_unicast+0x449/0x710 [ 770.935347][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.935347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.935347][ T73] ___sys_sendmsg+0xee/0x170 [ 770.935347][ T73] __sys_sendmsg+0xcd/0x170 [ 770.935347][ T73] do_syscall_64+0xc6/0x1e0 [ 770.935347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.935347][ T73] [ 770.937342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.937342][ T73] dst_init+0x84/0x4a0 [ 770.937342][ T73] dst_alloc+0x97/0x150 [ 770.937342][ T73] ip6_dst_alloc+0x23/0x90 [ 770.937342][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 770.937342][ T73] ip6_pol_route+0x56f/0x840 [ 770.937342][ T73] fib6_rule_lookup+0x456/0x630 [ 770.937342][ T73] ip6_route_input+0x59c/0xa50 [ 770.937342][ T73] ipv6_rcv+0x397/0x810 [ 770.937342][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 770.937342][ T73] process_backlog+0x101/0x620 [ 770.937342][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 770.937342][ T73] net_rx_action+0x495/0xbe0 [ 770.937342][ T73] __do_softirq+0x1b5/0x7f6 [ 770.937342][ T73] [ 770.938991][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.938991][ T73] netdev_get_by_index+0x5e/0x80 [ 770.938991][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.938991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.938991][ T73] ip6_route_add+0x1c/0x140 [ 770.938991][ T73] addrconf_prefix_route+0x2a6/0x430 [ 770.938991][ T73] inet6_addr_add+0x4f8/0xa40 [ 770.938991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.938991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.938991][ T73] netlink_rcv_skb+0x130/0x360 [ 770.938991][ T73] netlink_unicast+0x449/0x710 [ 770.938991][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.938991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.938991][ T73] ___sys_sendmsg+0xee/0x170 [ 770.938991][ T73] __sys_sendmsg+0xcd/0x170 [ 770.938991][ T73] do_syscall_64+0xc6/0x1e0 [ 770.938991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.938991][ T73] [ 770.940988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.940988][ T73] netdev_get_by_index+0x5e/0x80 [ 770.940988][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.940988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.940988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 770.940988][ T73] ipv6_add_addr+0x411/0x2000 [ 770.940988][ T73] inet6_addr_add+0x30e/0xa40 [ 770.940988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.940988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.940988][ T73] netlink_rcv_skb+0x130/0x360 [ 770.940988][ T73] netlink_unicast+0x449/0x710 [ 770.940988][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.940988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.940988][ T73] ___sys_sendmsg+0xee/0x170 [ 770.940988][ T73] __sys_sendmsg+0xcd/0x170 [ 770.940988][ T73] do_syscall_64+0xc6/0x1e0 [ 770.940988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.940988][ T73] [ 770.943058][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.943058][ T73] netdev_get_by_index+0x5e/0x80 [ 770.943058][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.943058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.943058][ T73] ip6_route_add+0x1c/0x140 [ 770.943058][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 770.943058][ T73] addrconf_add_dev+0xe2/0x170 [ 770.943058][ T73] inet6_addr_add+0x12f/0xa40 [ 770.943058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.943058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.943058][ T73] netlink_rcv_skb+0x130/0x360 [ 770.943058][ T73] netlink_unicast+0x449/0x710 [ 770.943058][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.943058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.943058][ T73] ___sys_sendmsg+0xee/0x170 [ 770.943058][ T73] __sys_sendmsg+0xcd/0x170 [ 770.943058][ T73] do_syscall_64+0xc6/0x1e0 [ 770.943058][ T73] [ 770.945159][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.945159][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 770.945159][ T73] ipv6_find_idev+0x102/0x170 [ 770.945159][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.945159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.945159][ T73] netlink_rcv_skb+0x130/0x360 [ 770.945159][ T73] netlink_unicast+0x449/0x710 [ 770.945159][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.945159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.945159][ T73] ___sys_sendmsg+0xee/0x170 [ 770.945159][ T73] __sys_sendmsg+0xcd/0x170 [ 770.945159][ T73] do_syscall_64+0xc6/0x1e0 [ 770.945159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.945159][ T73] [ 770.946801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 770.946801][ T73] neigh_parms_alloc+0x1e5/0x510 [ 770.946801][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 770.946801][ T73] ipv6_find_idev+0x102/0x170 [ 770.946801][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.946801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.946801][ T73] netlink_rcv_skb+0x130/0x360 [ 770.946801][ T73] netlink_unicast+0x449/0x710 [ 770.946801][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.946801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.946801][ T73] ___sys_sendmsg+0xee/0x170 [ 770.946801][ T73] __sys_sendmsg+0xcd/0x170 [ 770.946801][ T73] do_syscall_64+0xc6/0x1e0 [ 770.946801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.946801][ T73] [ 770.948548][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 770.948859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.948859][ T73] dst_init+0x84/0x4a0 [ 770.948859][ T73] dst_alloc+0x97/0x150 [ 770.948859][ T73] ip6_dst_alloc+0x23/0x90 [ 770.948859][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 770.948859][ T73] ip6_pol_route+0x56f/0x840 [ 770.948859][ T73] fib6_rule_lookup+0x456/0x630 [ 770.948859][ T73] ip6_route_input+0x59c/0xa50 [ 770.948859][ T73] ipv6_rcv+0x397/0x810 [ 770.948859][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 770.948859][ T73] process_backlog+0x101/0x620 [ 770.948859][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 770.948859][ T73] net_rx_action+0x495/0xbe0 [ 770.948859][ T73] __do_softirq+0x1b5/0x7f6 [ 770.948859][ T73] [ 770.950596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.950596][ T73] netdev_get_by_index+0x5e/0x80 [ 770.950596][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.950596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.950596][ T73] addrconf_f6i_alloc+0x265/0x560 [ 770.950596][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 770.950596][ T73] addrconf_join_anycast+0x1c0/0x220 [ 770.950596][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 770.950596][ T73] addrconf_dad_completed+0x12b/0xe20 [ 770.950596][ T73] addrconf_dad_begin+0x310/0x670 [ 770.950596][ T73] addrconf_dad_work+0x10b/0xab0 [ 770.950596][ T73] process_one_work+0x84d/0x18a0 [ 770.950596][ T73] worker_thread+0x587/0xd30 [ 770.950596][ T73] kthread+0x28a/0x350 [ 770.950596][ T73] ret_from_fork+0x31/0x70 [ 770.950596][ T73] ret_from_fork_asm+0x1a/0x30 [ 770.950596][ T73] [ 770.952602][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.952602][ T73] netdev_get_by_index+0x5e/0x80 [ 770.952602][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.952602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.952602][ T73] ip6_route_add+0x1c/0x140 [ 770.952602][ T73] addrconf_prefix_route+0x2a6/0x430 [ 770.952602][ T73] inet6_addr_add+0x4f8/0xa40 [ 770.952602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.952602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.952602][ T73] netlink_rcv_skb+0x130/0x360 [ 770.952602][ T73] netlink_unicast+0x449/0x710 [ 770.952602][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.952602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.952602][ T73] ___sys_sendmsg+0xee/0x170 [ 770.952602][ T73] __sys_sendmsg+0xcd/0x170 [ 770.952602][ T73] do_syscall_64+0xc6/0x1e0 [ 770.952602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.952602][ T73] [ 770.954736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.954736][ T73] netdev_get_by_index+0x5e/0x80 [ 770.954736][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.954736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.954736][ T73] addrconf_f6i_alloc+0x315/0x560 [ 770.954736][ T73] ipv6_add_addr+0x411/0x2000 [ 770.954736][ T73] inet6_addr_add+0x30e/0xa40 [ 770.954736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.954736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.954736][ T73] netlink_rcv_skb+0x130/0x360 [ 770.954736][ T73] netlink_unicast+0x449/0x710 [ 770.954736][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.954736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.954736][ T73] ___sys_sendmsg+0xee/0x170 [ 770.954736][ T73] __sys_sendmsg+0xcd/0x170 [ 770.954736][ T73] do_syscall_64+0xc6/0x1e0 [ 770.954736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.954736][ T73] [ 770.956717][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.956717][ T73] netdev_get_by_index+0x5e/0x80 [ 770.956717][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.956717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.956717][ T73] ip6_route_add+0x1c/0x140 [ 770.956717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 770.956717][ T73] addrconf_add_dev+0xe2/0x170 [ 770.956717][ T73] inet6_addr_add+0x12f/0xa40 [ 770.956717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.956717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.956717][ T73] netlink_rcv_skb+0x130/0x360 [ 770.956717][ T73] netlink_unicast+0x449/0x710 [ 770.956717][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.956717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.956717][ T73] ___sys_sendmsg+0xee/0x170 [ 770.956717][ T73] __sys_sendmsg+0xcd/0x170 [ 770.956717][ T73] do_syscall_64+0xc6/0x1e0 [ 770.956717][ T73] [ 770.958749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.958749][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 770.958749][ T73] ipv6_find_idev+0x102/0x170 [ 770.958749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.958749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.958749][ T73] netlink_rcv_skb+0x130/0x360 [ 770.958749][ T73] netlink_unicast+0x449/0x710 [ 770.958749][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.958749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.958749][ T73] ___sys_sendmsg+0xee/0x170 [ 770.958749][ T73] __sys_sendmsg+0xcd/0x170 [ 770.958749][ T73] do_syscall_64+0xc6/0x1e0 [ 770.958749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.958749][ T73] [ 770.960356][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 770.960356][ T73] neigh_parms_alloc+0x1e5/0x510 [ 770.960356][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 770.960356][ T73] ipv6_find_idev+0x102/0x170 [ 770.960356][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.960356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.960356][ T73] netlink_rcv_skb+0x130/0x360 [ 770.960356][ T73] netlink_unicast+0x449/0x710 [ 770.960356][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.960356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.960356][ T73] ___sys_sendmsg+0xee/0x170 [ 770.960356][ T73] __sys_sendmsg+0xcd/0x170 [ 770.960356][ T73] do_syscall_64+0xc6/0x1e0 [ 770.960356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.960356][ T73] [ 770.962262][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 770.962533][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.962533][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 770.962533][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 770.962533][ T73] fib6_nh_init+0xa22/0x1580 [ 770.962533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.962533][ T73] ip6_route_add+0x1c/0x140 [ 770.962533][ T73] inet6_rtm_newroute+0x104/0x110 [ 770.962533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.962533][ T73] netlink_rcv_skb+0x130/0x360 [ 770.962533][ T73] netlink_unicast+0x449/0x710 [ 770.962533][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.962533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.962533][ T73] ___sys_sendmsg+0xee/0x170 [ 770.962533][ T73] __sys_sendmsg+0xcd/0x170 [ 770.962533][ T73] do_syscall_64+0xc6/0x1e0 [ 770.962533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.962533][ T73] [ 770.964720][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.964720][ T73] dst_init+0x84/0x4a0 [ 770.964720][ T73] dst_alloc+0x97/0x150 [ 770.964720][ T73] ip6_dst_alloc+0x23/0x90 [ 770.964720][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 770.964720][ T73] ip6_pol_route+0x56f/0x840 [ 770.964720][ T73] fib6_rule_lookup+0x456/0x630 [ 770.964720][ T73] ip6_route_input+0x59c/0xa50 [ 770.964720][ T73] ipv6_rcv+0x397/0x810 [ 770.964720][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 770.964720][ T73] process_backlog+0x101/0x620 [ 770.964720][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 770.964720][ T73] net_rx_action+0x495/0xbe0 [ 770.964720][ T73] __do_softirq+0x1b5/0x7f6 [ 770.964720][ T73] [ 770.966530][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.966530][ T73] netdev_get_by_index+0x5e/0x80 [ 770.966530][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.966530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.966530][ T73] ip6_route_add+0x1c/0x140 [ 770.966530][ T73] addrconf_prefix_route+0x2a6/0x430 [ 770.966530][ T73] inet6_addr_add+0x4f8/0xa40 [ 770.966530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.966530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.966530][ T73] netlink_rcv_skb+0x130/0x360 [ 770.966530][ T73] netlink_unicast+0x449/0x710 [ 770.966530][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.966530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.966530][ T73] ___sys_sendmsg+0xee/0x170 [ 770.966530][ T73] __sys_sendmsg+0xcd/0x170 [ 770.966530][ T73] do_syscall_64+0xc6/0x1e0 [ 770.966530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.966530][ T73] [ 770.968769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.968769][ T73] netdev_get_by_index+0x5e/0x80 [ 770.968769][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.968769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.968769][ T73] addrconf_f6i_alloc+0x315/0x560 [ 770.968769][ T73] ipv6_add_addr+0x411/0x2000 [ 770.968769][ T73] inet6_addr_add+0x30e/0xa40 [ 770.968769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.968769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.968769][ T73] netlink_rcv_skb+0x130/0x360 [ 770.968769][ T73] netlink_unicast+0x449/0x710 [ 770.968769][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.968769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.968769][ T73] ___sys_sendmsg+0xee/0x170 [ 770.968769][ T73] __sys_sendmsg+0xcd/0x170 [ 770.968769][ T73] do_syscall_64+0xc6/0x1e0 [ 770.968769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.968769][ T73] [ 770.971021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.971021][ T73] netdev_get_by_index+0x5e/0x80 [ 770.971021][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.971021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.971021][ T73] ip6_route_add+0x1c/0x140 [ 770.971021][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 770.971021][ T73] addrconf_add_dev+0xe2/0x170 [ 770.971021][ T73] inet6_addr_add+0x12f/0xa40 [ 770.971021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.971021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.971021][ T73] netlink_rcv_skb+0x130/0x360 [ 770.971021][ T73] netlink_unicast+0x449/0x710 [ 770.971021][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.971021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.971021][ T73] ___sys_sendmsg+0xee/0x170 [ 770.971021][ T73] __sys_sendmsg+0xcd/0x170 [ 770.971021][ T73] do_syscall_64+0xc6/0x1e0 [ 770.971021][ T73] [ 770.973337][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.973337][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 770.973337][ T73] ipv6_find_idev+0x102/0x170 [ 770.973337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.973337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.973337][ T73] netlink_rcv_skb+0x130/0x360 [ 770.973337][ T73] netlink_unicast+0x449/0x710 [ 770.973337][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.973337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.973337][ T73] ___sys_sendmsg+0xee/0x170 [ 770.973337][ T73] __sys_sendmsg+0xcd/0x170 [ 770.973337][ T73] do_syscall_64+0xc6/0x1e0 [ 770.973337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.973337][ T73] [ 770.975037][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 770.975037][ T73] neigh_parms_alloc+0x1e5/0x510 [ 770.975037][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 770.975037][ T73] ipv6_find_idev+0x102/0x170 [ 770.975037][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.975037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.975037][ T73] netlink_rcv_skb+0x130/0x360 [ 770.975037][ T73] netlink_unicast+0x449/0x710 [ 770.975037][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.975037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.975037][ T73] ___sys_sendmsg+0xee/0x170 [ 770.975037][ T73] __sys_sendmsg+0xcd/0x170 [ 770.975037][ T73] do_syscall_64+0xc6/0x1e0 [ 770.975037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.975037][ T73] [ 770.977079][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 770.977363][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 770.977363][ T73] netdev_get_by_index+0x5e/0x80 [ 770.977363][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.977363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.977363][ T73] addrconf_f6i_alloc+0x265/0x560 [ 770.977363][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 770.977363][ T73] addrconf_join_anycast+0x1c0/0x220 [ 770.977363][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 770.977363][ T73] addrconf_dad_completed+0x12b/0xe20 [ 770.977363][ T73] addrconf_dad_begin+0x310/0x670 [ 770.977363][ T73] addrconf_dad_work+0x10b/0xab0 [ 770.977363][ T73] process_one_work+0x84d/0x18a0 [ 770.977363][ T73] worker_thread+0x587/0xd30 [ 770.977363][ T73] kthread+0x28a/0x350 [ 770.977363][ T73] ret_from_fork+0x31/0x70 [ 770.977363][ T73] ret_from_fork_asm+0x1a/0x30 [ 770.977363][ T73] [ 770.979605][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 770.979605][ T73] netdev_get_by_index+0x5e/0x80 [ 770.979605][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.979605][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.979605][ T73] ip6_route_add+0x1c/0x140 [ 770.979605][ T73] addrconf_prefix_route+0x2a6/0x430 [ 770.979605][ T73] inet6_addr_add+0x4f8/0xa40 [ 770.979605][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.979605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.979605][ T73] netlink_rcv_skb+0x130/0x360 [ 770.979605][ T73] netlink_unicast+0x449/0x710 [ 770.979605][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.979605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.979605][ T73] ___sys_sendmsg+0xee/0x170 [ 770.979605][ T73] __sys_sendmsg+0xcd/0x170 [ 770.979605][ T73] do_syscall_64+0xc6/0x1e0 [ 770.979605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.979605][ T73] [ 770.981900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 770.981900][ T73] netdev_get_by_index+0x5e/0x80 [ 770.981900][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.981900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.981900][ T73] addrconf_f6i_alloc+0x315/0x560 [ 770.981900][ T73] ipv6_add_addr+0x411/0x2000 [ 770.981900][ T73] inet6_addr_add+0x30e/0xa40 [ 770.981900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.981900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.981900][ T73] netlink_rcv_skb+0x130/0x360 [ 770.981900][ T73] netlink_unicast+0x449/0x710 [ 770.981900][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.981900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.981900][ T73] ___sys_sendmsg+0xee/0x170 [ 770.981900][ T73] __sys_sendmsg+0xcd/0x170 [ 770.981900][ T73] do_syscall_64+0xc6/0x1e0 [ 770.981900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.981900][ T73] [ 770.984258][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 770.984258][ T73] netdev_get_by_index+0x5e/0x80 [ 770.984258][ T73] fib6_nh_init+0x3d8/0x1580 [ 770.984258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 770.984258][ T73] ip6_route_add+0x1c/0x140 [ 770.984258][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 770.984258][ T73] addrconf_add_dev+0xe2/0x170 [ 770.984258][ T73] inet6_addr_add+0x12f/0xa40 [ 770.984258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 770.984258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.984258][ T73] netlink_rcv_skb+0x130/0x360 [ 770.984258][ T73] netlink_unicast+0x449/0x710 [ 770.984258][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.984258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.984258][ T73] ___sys_sendmsg+0xee/0x170 [ 770.984258][ T73] __sys_sendmsg+0xcd/0x170 [ 770.984258][ T73] do_syscall_64+0xc6/0x1e0 [ 770.984258][ T73] [ 770.986529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 770.986529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 770.986529][ T73] ipv6_find_idev+0x102/0x170 [ 770.986529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.986529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.986529][ T73] netlink_rcv_skb+0x130/0x360 [ 770.986529][ T73] netlink_unicast+0x449/0x710 [ 770.986529][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.986529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.986529][ T73] ___sys_sendmsg+0xee/0x170 [ 770.986529][ T73] __sys_sendmsg+0xcd/0x170 [ 770.986529][ T73] do_syscall_64+0xc6/0x1e0 [ 770.986529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.986529][ T73] [ 770.988309][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 770.988309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 770.988309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 770.988309][ T73] ipv6_find_idev+0x102/0x170 [ 770.988309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 770.988309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 770.988309][ T73] netlink_rcv_skb+0x130/0x360 [ 770.988309][ T73] netlink_unicast+0x449/0x710 [ 770.988309][ T73] netlink_sendmsg+0x723/0xbe0 [ 770.988309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 770.988309][ T73] ___sys_sendmsg+0xee/0x170 [ 770.988309][ T73] __sys_sendmsg+0xcd/0x170 [ 770.988309][ T73] do_syscall_64+0xc6/0x1e0 [ 770.988309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 770.988309][ T73] [ 781.014910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 781.015298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.015298][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 781.015298][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 781.015298][ T73] fib6_nh_init+0xa22/0x1580 [ 781.015298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.015298][ T73] ip6_route_add+0x1c/0x140 [ 781.015298][ T73] inet6_rtm_newroute+0x104/0x110 [ 781.015298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.015298][ T73] netlink_rcv_skb+0x130/0x360 [ 781.015298][ T73] netlink_unicast+0x449/0x710 [ 781.015298][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.015298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.015298][ T73] ___sys_sendmsg+0xee/0x170 [ 781.015298][ T73] __sys_sendmsg+0xcd/0x170 [ 781.015298][ T73] do_syscall_64+0xc6/0x1e0 [ 781.015298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.015298][ T73] [ 781.017207][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.017207][ T73] dst_init+0x84/0x4a0 [ 781.017207][ T73] dst_alloc+0x97/0x150 [ 781.017207][ T73] ip6_dst_alloc+0x23/0x90 [ 781.017207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 781.017207][ T73] ip6_pol_route+0x56f/0x840 [ 781.017207][ T73] fib6_rule_lookup+0x456/0x630 [ 781.017207][ T73] ip6_route_input+0x59c/0xa50 [ 781.017207][ T73] ipv6_rcv+0x397/0x810 [ 781.017207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 781.017207][ T73] process_backlog+0x101/0x620 [ 781.017207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 781.017207][ T73] net_rx_action+0x495/0xbe0 [ 781.017207][ T73] __do_softirq+0x1b5/0x7f6 [ 781.017207][ T73] [ 781.018839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.018839][ T73] netdev_get_by_index+0x5e/0x80 [ 781.018839][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.018839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.018839][ T73] ip6_route_add+0x1c/0x140 [ 781.018839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 781.018839][ T73] inet6_addr_add+0x4f8/0xa40 [ 781.018839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.018839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.018839][ T73] netlink_rcv_skb+0x130/0x360 [ 781.018839][ T73] netlink_unicast+0x449/0x710 [ 781.018839][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.018839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.018839][ T73] ___sys_sendmsg+0xee/0x170 [ 781.018839][ T73] __sys_sendmsg+0xcd/0x170 [ 781.018839][ T73] do_syscall_64+0xc6/0x1e0 [ 781.018839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.018839][ T73] [ 781.020821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.020821][ T73] netdev_get_by_index+0x5e/0x80 [ 781.020821][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.020821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.020821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 781.020821][ T73] ipv6_add_addr+0x411/0x2000 [ 781.020821][ T73] inet6_addr_add+0x30e/0xa40 [ 781.020821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.020821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.020821][ T73] netlink_rcv_skb+0x130/0x360 [ 781.020821][ T73] netlink_unicast+0x449/0x710 [ 781.020821][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.020821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.020821][ T73] ___sys_sendmsg+0xee/0x170 [ 781.020821][ T73] __sys_sendmsg+0xcd/0x170 [ 781.020821][ T73] do_syscall_64+0xc6/0x1e0 [ 781.020821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.020821][ T73] [ 781.022796][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.022796][ T73] netdev_get_by_index+0x5e/0x80 [ 781.022796][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.022796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.022796][ T73] ip6_route_add+0x1c/0x140 [ 781.022796][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 781.022796][ T73] addrconf_add_dev+0xe2/0x170 [ 781.022796][ T73] inet6_addr_add+0x12f/0xa40 [ 781.022796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.022796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.022796][ T73] netlink_rcv_skb+0x130/0x360 [ 781.022796][ T73] netlink_unicast+0x449/0x710 [ 781.022796][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.022796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.022796][ T73] ___sys_sendmsg+0xee/0x170 [ 781.022796][ T73] __sys_sendmsg+0xcd/0x170 [ 781.022796][ T73] do_syscall_64+0xc6/0x1e0 [ 781.022796][ T73] [ 781.024833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.024833][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 781.024833][ T73] ipv6_find_idev+0x102/0x170 [ 781.024833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.024833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.024833][ T73] netlink_rcv_skb+0x130/0x360 [ 781.024833][ T73] netlink_unicast+0x449/0x710 [ 781.024833][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.024833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.024833][ T73] ___sys_sendmsg+0xee/0x170 [ 781.024833][ T73] __sys_sendmsg+0xcd/0x170 [ 781.024833][ T73] do_syscall_64+0xc6/0x1e0 [ 781.024833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.024833][ T73] [ 781.026368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 781.026368][ T73] neigh_parms_alloc+0x1e5/0x510 [ 781.026368][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 781.026368][ T73] ipv6_find_idev+0x102/0x170 [ 781.026368][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.026368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.026368][ T73] netlink_rcv_skb+0x130/0x360 [ 781.026368][ T73] netlink_unicast+0x449/0x710 [ 781.026368][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.026368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.026368][ T73] ___sys_sendmsg+0xee/0x170 [ 781.026368][ T73] __sys_sendmsg+0xcd/0x170 [ 781.026368][ T73] do_syscall_64+0xc6/0x1e0 [ 781.026368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.026368][ T73] [ 781.028059][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 781.028331][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.028331][ T73] dst_init+0x84/0x4a0 [ 781.028331][ T73] dst_alloc+0x97/0x150 [ 781.028331][ T73] ip6_dst_alloc+0x23/0x90 [ 781.028331][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 781.028331][ T73] ip6_pol_route+0x56f/0x840 [ 781.028331][ T73] fib6_rule_lookup+0x456/0x630 [ 781.028331][ T73] ip6_route_input+0x59c/0xa50 [ 781.028331][ T73] ipv6_rcv+0x397/0x810 [ 781.028331][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 781.028331][ T73] process_backlog+0x101/0x620 [ 781.028331][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 781.028331][ T73] net_rx_action+0x495/0xbe0 [ 781.028331][ T73] __do_softirq+0x1b5/0x7f6 [ 781.028331][ T73] [ 781.029959][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.029959][ T73] netdev_get_by_index+0x5e/0x80 [ 781.029959][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.029959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.029959][ T73] addrconf_f6i_alloc+0x265/0x560 [ 781.029959][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 781.029959][ T73] addrconf_join_anycast+0x1c0/0x220 [ 781.029959][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 781.029959][ T73] addrconf_dad_completed+0x12b/0xe20 [ 781.029959][ T73] addrconf_dad_begin+0x310/0x670 [ 781.029959][ T73] addrconf_dad_work+0x10b/0xab0 [ 781.029959][ T73] process_one_work+0x84d/0x18a0 [ 781.029959][ T73] worker_thread+0x587/0xd30 [ 781.029959][ T73] kthread+0x28a/0x350 [ 781.029959][ T73] ret_from_fork+0x31/0x70 [ 781.029959][ T73] ret_from_fork_asm+0x1a/0x30 [ 781.029959][ T73] [ 781.031846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.031846][ T73] netdev_get_by_index+0x5e/0x80 [ 781.031846][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.031846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.031846][ T73] ip6_route_add+0x1c/0x140 [ 781.031846][ T73] addrconf_prefix_route+0x2a6/0x430 [ 781.031846][ T73] inet6_addr_add+0x4f8/0xa40 [ 781.031846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.031846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.031846][ T73] netlink_rcv_skb+0x130/0x360 [ 781.031846][ T73] netlink_unicast+0x449/0x710 [ 781.031846][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.031846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.031846][ T73] ___sys_sendmsg+0xee/0x170 [ 781.031846][ T73] __sys_sendmsg+0xcd/0x170 [ 781.031846][ T73] do_syscall_64+0xc6/0x1e0 [ 781.031846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.031846][ T73] [ 781.033835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.033835][ T73] netdev_get_by_index+0x5e/0x80 [ 781.033835][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.033835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.033835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 781.033835][ T73] ipv6_add_addr+0x411/0x2000 [ 781.033835][ T73] inet6_addr_add+0x30e/0xa40 [ 781.033835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.033835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.033835][ T73] netlink_rcv_skb+0x130/0x360 [ 781.033835][ T73] netlink_unicast+0x449/0x710 [ 781.033835][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.033835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.033835][ T73] ___sys_sendmsg+0xee/0x170 [ 781.033835][ T73] __sys_sendmsg+0xcd/0x170 [ 781.033835][ T73] do_syscall_64+0xc6/0x1e0 [ 781.033835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.033835][ T73] [ 781.036090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.036090][ T73] netdev_get_by_index+0x5e/0x80 [ 781.036090][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.036090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.036090][ T73] ip6_route_add+0x1c/0x140 [ 781.036090][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 781.036090][ T73] addrconf_add_dev+0xe2/0x170 [ 781.036090][ T73] inet6_addr_add+0x12f/0xa40 [ 781.036090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.036090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.036090][ T73] netlink_rcv_skb+0x130/0x360 [ 781.036090][ T73] netlink_unicast+0x449/0x710 [ 781.036090][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.036090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.036090][ T73] ___sys_sendmsg+0xee/0x170 [ 781.036090][ T73] __sys_sendmsg+0xcd/0x170 [ 781.036090][ T73] do_syscall_64+0xc6/0x1e0 [ 781.036090][ T73] [ 781.038049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.038049][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 781.038049][ T73] ipv6_find_idev+0x102/0x170 [ 781.038049][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.038049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.038049][ T73] netlink_rcv_skb+0x130/0x360 [ 781.038049][ T73] netlink_unicast+0x449/0x710 [ 781.038049][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.038049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.038049][ T73] ___sys_sendmsg+0xee/0x170 [ 781.038049][ T73] __sys_sendmsg+0xcd/0x170 [ 781.038049][ T73] do_syscall_64+0xc6/0x1e0 [ 781.038049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.038049][ T73] [ 781.039575][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 781.039575][ T73] neigh_parms_alloc+0x1e5/0x510 [ 781.039575][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 781.039575][ T73] ipv6_find_idev+0x102/0x170 [ 781.039575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.039575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.039575][ T73] netlink_rcv_skb+0x130/0x360 [ 781.039575][ T73] netlink_unicast+0x449/0x710 [ 781.039575][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.039575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.039575][ T73] ___sys_sendmsg+0xee/0x170 [ 781.039575][ T73] __sys_sendmsg+0xcd/0x170 [ 781.039575][ T73] do_syscall_64+0xc6/0x1e0 [ 781.039575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.039575][ T73] [ 781.041790][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 781.042060][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.042060][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 781.042060][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 781.042060][ T73] fib6_nh_init+0xa22/0x1580 [ 781.042060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.042060][ T73] ip6_route_add+0x1c/0x140 [ 781.042060][ T73] inet6_rtm_newroute+0x104/0x110 [ 781.042060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.042060][ T73] netlink_rcv_skb+0x130/0x360 [ 781.042060][ T73] netlink_unicast+0x449/0x710 [ 781.042060][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.042060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.042060][ T73] ___sys_sendmsg+0xee/0x170 [ 781.042060][ T73] __sys_sendmsg+0xcd/0x170 [ 781.042060][ T73] do_syscall_64+0xc6/0x1e0 [ 781.042060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.042060][ T73] [ 781.044172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.044172][ T73] dst_init+0x84/0x4a0 [ 781.044172][ T73] dst_alloc+0x97/0x150 [ 781.044172][ T73] ip6_dst_alloc+0x23/0x90 [ 781.044172][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 781.044172][ T73] ip6_pol_route+0x56f/0x840 [ 781.044172][ T73] fib6_rule_lookup+0x456/0x630 [ 781.044172][ T73] ip6_route_input+0x59c/0xa50 [ 781.044172][ T73] ipv6_rcv+0x397/0x810 [ 781.044172][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 781.044172][ T73] process_backlog+0x101/0x620 [ 781.044172][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 781.044172][ T73] net_rx_action+0x495/0xbe0 [ 781.044172][ T73] __do_softirq+0x1b5/0x7f6 [ 781.044172][ T73] [ 781.045975][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.045975][ T73] netdev_get_by_index+0x5e/0x80 [ 781.045975][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.045975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.045975][ T73] ip6_route_add+0x1c/0x140 [ 781.045975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 781.045975][ T73] inet6_addr_add+0x4f8/0xa40 [ 781.045975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.045975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.045975][ T73] netlink_rcv_skb+0x130/0x360 [ 781.045975][ T73] netlink_unicast+0x449/0x710 [ 781.045975][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.045975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.045975][ T73] ___sys_sendmsg+0xee/0x170 [ 781.045975][ T73] __sys_sendmsg+0xcd/0x170 [ 781.045975][ T73] do_syscall_64+0xc6/0x1e0 [ 781.045975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.045975][ T73] [ 781.048264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.048264][ T73] netdev_get_by_index+0x5e/0x80 [ 781.048264][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.048264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.048264][ T73] addrconf_f6i_alloc+0x315/0x560 [ 781.048264][ T73] ipv6_add_addr+0x411/0x2000 [ 781.048264][ T73] inet6_addr_add+0x30e/0xa40 [ 781.048264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.048264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.048264][ T73] netlink_rcv_skb+0x130/0x360 [ 781.048264][ T73] netlink_unicast+0x449/0x710 [ 781.048264][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.048264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.048264][ T73] ___sys_sendmsg+0xee/0x170 [ 781.048264][ T73] __sys_sendmsg+0xcd/0x170 [ 781.048264][ T73] do_syscall_64+0xc6/0x1e0 [ 781.048264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.048264][ T73] [ 781.050459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.050459][ T73] netdev_get_by_index+0x5e/0x80 [ 781.050459][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.050459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.050459][ T73] ip6_route_add+0x1c/0x140 [ 781.050459][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 781.050459][ T73] addrconf_add_dev+0xe2/0x170 [ 781.050459][ T73] inet6_addr_add+0x12f/0xa40 [ 781.050459][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.050459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.050459][ T73] netlink_rcv_skb+0x130/0x360 [ 781.050459][ T73] netlink_unicast+0x449/0x710 [ 781.050459][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.050459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.050459][ T73] ___sys_sendmsg+0xee/0x170 [ 781.050459][ T73] __sys_sendmsg+0xcd/0x170 [ 781.050459][ T73] do_syscall_64+0xc6/0x1e0 [ 781.050459][ T73] [ 781.052660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.052660][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 781.052660][ T73] ipv6_find_idev+0x102/0x170 [ 781.052660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.052660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.052660][ T73] netlink_rcv_skb+0x130/0x360 [ 781.052660][ T73] netlink_unicast+0x449/0x710 [ 781.052660][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.052660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.052660][ T73] ___sys_sendmsg+0xee/0x170 [ 781.052660][ T73] __sys_sendmsg+0xcd/0x170 [ 781.052660][ T73] do_syscall_64+0xc6/0x1e0 [ 781.052660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.052660][ T73] [ 781.054310][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 781.054310][ T73] neigh_parms_alloc+0x1e5/0x510 [ 781.054310][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 781.054310][ T73] ipv6_find_idev+0x102/0x170 [ 781.054310][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.054310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.054310][ T73] netlink_rcv_skb+0x130/0x360 [ 781.054310][ T73] netlink_unicast+0x449/0x710 [ 781.054310][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.054310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.054310][ T73] ___sys_sendmsg+0xee/0x170 [ 781.054310][ T73] __sys_sendmsg+0xcd/0x170 [ 781.054310][ T73] do_syscall_64+0xc6/0x1e0 [ 781.054310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.054310][ T73] [ 781.056290][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 781.056559][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 781.056559][ T73] netdev_get_by_index+0x5e/0x80 [ 781.056559][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.056559][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.056559][ T73] addrconf_f6i_alloc+0x265/0x560 [ 781.056559][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 781.056559][ T73] addrconf_join_anycast+0x1c0/0x220 [ 781.056559][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 781.056559][ T73] addrconf_dad_completed+0x12b/0xe20 [ 781.056559][ T73] addrconf_dad_begin+0x310/0x670 [ 781.056559][ T73] addrconf_dad_work+0x10b/0xab0 [ 781.056559][ T73] process_one_work+0x84d/0x18a0 [ 781.056559][ T73] worker_thread+0x587/0xd30 [ 781.056559][ T73] kthread+0x28a/0x350 [ 781.056559][ T73] ret_from_fork+0x31/0x70 [ 781.056559][ T73] ret_from_fork_asm+0x1a/0x30 [ 781.056559][ T73] [ 781.058719][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 781.058719][ T73] netdev_get_by_index+0x5e/0x80 [ 781.058719][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.058719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.058719][ T73] ip6_route_add+0x1c/0x140 [ 781.058719][ T73] addrconf_prefix_route+0x2a6/0x430 [ 781.058719][ T73] inet6_addr_add+0x4f8/0xa40 [ 781.058719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.058719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.058719][ T73] netlink_rcv_skb+0x130/0x360 [ 781.058719][ T73] netlink_unicast+0x449/0x710 [ 781.058719][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.058719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.058719][ T73] ___sys_sendmsg+0xee/0x170 [ 781.058719][ T73] __sys_sendmsg+0xcd/0x170 [ 781.058719][ T73] do_syscall_64+0xc6/0x1e0 [ 781.058719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.058719][ T73] [ 781.060946][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 781.060946][ T73] netdev_get_by_index+0x5e/0x80 [ 781.060946][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.060946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.060946][ T73] addrconf_f6i_alloc+0x315/0x560 [ 781.060946][ T73] ipv6_add_addr+0x411/0x2000 [ 781.060946][ T73] inet6_addr_add+0x30e/0xa40 [ 781.060946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.060946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.060946][ T73] netlink_rcv_skb+0x130/0x360 [ 781.060946][ T73] netlink_unicast+0x449/0x710 [ 781.060946][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.060946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.060946][ T73] ___sys_sendmsg+0xee/0x170 [ 781.060946][ T73] __sys_sendmsg+0xcd/0x170 [ 781.060946][ T73] do_syscall_64+0xc6/0x1e0 [ 781.060946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.060946][ T73] [ 781.063106][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 781.063106][ T73] netdev_get_by_index+0x5e/0x80 [ 781.063106][ T73] fib6_nh_init+0x3d8/0x1580 [ 781.063106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 781.063106][ T73] ip6_route_add+0x1c/0x140 [ 781.063106][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 781.063106][ T73] addrconf_add_dev+0xe2/0x170 [ 781.063106][ T73] inet6_addr_add+0x12f/0xa40 [ 781.063106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 781.063106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.063106][ T73] netlink_rcv_skb+0x130/0x360 [ 781.063106][ T73] netlink_unicast+0x449/0x710 [ 781.063106][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.063106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.063106][ T73] ___sys_sendmsg+0xee/0x170 [ 781.063106][ T73] __sys_sendmsg+0xcd/0x170 [ 781.063106][ T73] do_syscall_64+0xc6/0x1e0 [ 781.063106][ T73] [ 781.065295][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 781.065295][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 781.065295][ T73] ipv6_find_idev+0x102/0x170 [ 781.065295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.065295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.065295][ T73] netlink_rcv_skb+0x130/0x360 [ 781.065295][ T73] netlink_unicast+0x449/0x710 [ 781.065295][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.065295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.065295][ T73] ___sys_sendmsg+0xee/0x170 [ 781.065295][ T73] __sys_sendmsg+0xcd/0x170 [ 781.065295][ T73] do_syscall_64+0xc6/0x1e0 [ 781.065295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.065295][ T73] [ 781.067072][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 781.067072][ T73] neigh_parms_alloc+0x1e5/0x510 [ 781.067072][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 781.067072][ T73] ipv6_find_idev+0x102/0x170 [ 781.067072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 781.067072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 781.067072][ T73] netlink_rcv_skb+0x130/0x360 [ 781.067072][ T73] netlink_unicast+0x449/0x710 [ 781.067072][ T73] netlink_sendmsg+0x723/0xbe0 [ 781.067072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 781.067072][ T73] ___sys_sendmsg+0xee/0x170 [ 781.067072][ T73] __sys_sendmsg+0xcd/0x170 [ 781.067072][ T73] do_syscall_64+0xc6/0x1e0 [ 781.067072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 781.067072][ T73] [ 791.310936][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 791.311388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.311388][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 791.311388][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 791.311388][ T73] fib6_nh_init+0xa22/0x1580 [ 791.311388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.311388][ T73] ip6_route_add+0x1c/0x140 [ 791.311388][ T73] inet6_rtm_newroute+0x104/0x110 [ 791.311388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.311388][ T73] netlink_rcv_skb+0x130/0x360 [ 791.311388][ T73] netlink_unicast+0x449/0x710 [ 791.311388][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.311388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.311388][ T73] ___sys_sendmsg+0xee/0x170 [ 791.311388][ T73] __sys_sendmsg+0xcd/0x170 [ 791.311388][ T73] do_syscall_64+0xc6/0x1e0 [ 791.311388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.311388][ T73] [ 791.313285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.313285][ T73] dst_init+0x84/0x4a0 [ 791.313285][ T73] dst_alloc+0x97/0x150 [ 791.313285][ T73] ip6_dst_alloc+0x23/0x90 [ 791.313285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 791.313285][ T73] ip6_pol_route+0x56f/0x840 [ 791.313285][ T73] fib6_rule_lookup+0x456/0x630 [ 791.313285][ T73] ip6_route_input+0x59c/0xa50 [ 791.313285][ T73] ipv6_rcv+0x397/0x810 [ 791.313285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 791.313285][ T73] process_backlog+0x101/0x620 [ 791.313285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 791.313285][ T73] net_rx_action+0x495/0xbe0 [ 791.313285][ T73] __do_softirq+0x1b5/0x7f6 [ 791.313285][ T73] [ 791.314915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.314915][ T73] netdev_get_by_index+0x5e/0x80 [ 791.314915][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.314915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.314915][ T73] ip6_route_add+0x1c/0x140 [ 791.314915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 791.314915][ T73] inet6_addr_add+0x4f8/0xa40 [ 791.314915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.314915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.314915][ T73] netlink_rcv_skb+0x130/0x360 [ 791.314915][ T73] netlink_unicast+0x449/0x710 [ 791.314915][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.314915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.314915][ T73] ___sys_sendmsg+0xee/0x170 [ 791.314915][ T73] __sys_sendmsg+0xcd/0x170 [ 791.314915][ T73] do_syscall_64+0xc6/0x1e0 [ 791.314915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.314915][ T73] [ 791.316908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.316908][ T73] netdev_get_by_index+0x5e/0x80 [ 791.316908][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.316908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.316908][ T73] addrconf_f6i_alloc+0x315/0x560 [ 791.316908][ T73] ipv6_add_addr+0x411/0x2000 [ 791.316908][ T73] inet6_addr_add+0x30e/0xa40 [ 791.316908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.316908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.316908][ T73] netlink_rcv_skb+0x130/0x360 [ 791.316908][ T73] netlink_unicast+0x449/0x710 [ 791.316908][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.316908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.316908][ T73] ___sys_sendmsg+0xee/0x170 [ 791.316908][ T73] __sys_sendmsg+0xcd/0x170 [ 791.316908][ T73] do_syscall_64+0xc6/0x1e0 [ 791.316908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.316908][ T73] [ 791.318911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.318911][ T73] netdev_get_by_index+0x5e/0x80 [ 791.318911][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.318911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.318911][ T73] ip6_route_add+0x1c/0x140 [ 791.318911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 791.318911][ T73] addrconf_add_dev+0xe2/0x170 [ 791.318911][ T73] inet6_addr_add+0x12f/0xa40 [ 791.318911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.318911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.318911][ T73] netlink_rcv_skb+0x130/0x360 [ 791.318911][ T73] netlink_unicast+0x449/0x710 [ 791.318911][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.318911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.318911][ T73] ___sys_sendmsg+0xee/0x170 [ 791.318911][ T73] __sys_sendmsg+0xcd/0x170 [ 791.318911][ T73] do_syscall_64+0xc6/0x1e0 [ 791.318911][ T73] [ 791.320891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.320891][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 791.320891][ T73] ipv6_find_idev+0x102/0x170 [ 791.320891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.320891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.320891][ T73] netlink_rcv_skb+0x130/0x360 [ 791.320891][ T73] netlink_unicast+0x449/0x710 [ 791.320891][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.320891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.320891][ T73] ___sys_sendmsg+0xee/0x170 [ 791.320891][ T73] __sys_sendmsg+0xcd/0x170 [ 791.320891][ T73] do_syscall_64+0xc6/0x1e0 [ 791.320891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.320891][ T73] [ 791.322428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 791.322428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 791.322428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 791.322428][ T73] ipv6_find_idev+0x102/0x170 [ 791.322428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.322428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.322428][ T73] netlink_rcv_skb+0x130/0x360 [ 791.322428][ T73] netlink_unicast+0x449/0x710 [ 791.322428][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.322428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.322428][ T73] ___sys_sendmsg+0xee/0x170 [ 791.322428][ T73] __sys_sendmsg+0xcd/0x170 [ 791.322428][ T73] do_syscall_64+0xc6/0x1e0 [ 791.322428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.322428][ T73] [ 791.324105][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 791.324375][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.324375][ T73] dst_init+0x84/0x4a0 [ 791.324375][ T73] dst_alloc+0x97/0x150 [ 791.324375][ T73] ip6_dst_alloc+0x23/0x90 [ 791.324375][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 791.324375][ T73] ip6_pol_route+0x56f/0x840 [ 791.324375][ T73] fib6_rule_lookup+0x456/0x630 [ 791.324375][ T73] ip6_route_input+0x59c/0xa50 [ 791.324375][ T73] ipv6_rcv+0x397/0x810 [ 791.324375][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 791.324375][ T73] process_backlog+0x101/0x620 [ 791.324375][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 791.324375][ T73] net_rx_action+0x495/0xbe0 [ 791.324375][ T73] __do_softirq+0x1b5/0x7f6 [ 791.324375][ T73] [ 791.326013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.326013][ T73] netdev_get_by_index+0x5e/0x80 [ 791.326013][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.326013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.326013][ T73] addrconf_f6i_alloc+0x265/0x560 [ 791.326013][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 791.326013][ T73] addrconf_join_anycast+0x1c0/0x220 [ 791.326013][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 791.326013][ T73] addrconf_dad_completed+0x12b/0xe20 [ 791.326013][ T73] addrconf_dad_begin+0x310/0x670 [ 791.326013][ T73] addrconf_dad_work+0x10b/0xab0 [ 791.326013][ T73] process_one_work+0x84d/0x18a0 [ 791.326013][ T73] worker_thread+0x587/0xd30 [ 791.326013][ T73] kthread+0x28a/0x350 [ 791.326013][ T73] ret_from_fork+0x31/0x70 [ 791.326013][ T73] ret_from_fork_asm+0x1a/0x30 [ 791.326013][ T73] [ 791.327923][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.327923][ T73] netdev_get_by_index+0x5e/0x80 [ 791.327923][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.327923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.327923][ T73] ip6_route_add+0x1c/0x140 [ 791.327923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 791.327923][ T73] inet6_addr_add+0x4f8/0xa40 [ 791.327923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.327923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.327923][ T73] netlink_rcv_skb+0x130/0x360 [ 791.327923][ T73] netlink_unicast+0x449/0x710 [ 791.327923][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.327923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.327923][ T73] ___sys_sendmsg+0xee/0x170 [ 791.327923][ T73] __sys_sendmsg+0xcd/0x170 [ 791.327923][ T73] do_syscall_64+0xc6/0x1e0 [ 791.327923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.327923][ T73] [ 791.329924][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.329924][ T73] netdev_get_by_index+0x5e/0x80 [ 791.329924][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.329924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.329924][ T73] addrconf_f6i_alloc+0x315/0x560 [ 791.329924][ T73] ipv6_add_addr+0x411/0x2000 [ 791.329924][ T73] inet6_addr_add+0x30e/0xa40 [ 791.329924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.329924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.329924][ T73] netlink_rcv_skb+0x130/0x360 [ 791.329924][ T73] netlink_unicast+0x449/0x710 [ 791.329924][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.329924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.329924][ T73] ___sys_sendmsg+0xee/0x170 [ 791.329924][ T73] __sys_sendmsg+0xcd/0x170 [ 791.329924][ T73] do_syscall_64+0xc6/0x1e0 [ 791.329924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.329924][ T73] [ 791.331938][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.331938][ T73] netdev_get_by_index+0x5e/0x80 [ 791.331938][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.331938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.331938][ T73] ip6_route_add+0x1c/0x140 [ 791.331938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 791.331938][ T73] addrconf_add_dev+0xe2/0x170 [ 791.331938][ T73] inet6_addr_add+0x12f/0xa40 [ 791.331938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.331938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.331938][ T73] netlink_rcv_skb+0x130/0x360 [ 791.331938][ T73] netlink_unicast+0x449/0x710 [ 791.331938][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.331938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.331938][ T73] ___sys_sendmsg+0xee/0x170 [ 791.331938][ T73] __sys_sendmsg+0xcd/0x170 [ 791.331938][ T73] do_syscall_64+0xc6/0x1e0 [ 791.331938][ T73] [ 791.333927][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.333927][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 791.333927][ T73] ipv6_find_idev+0x102/0x170 [ 791.333927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.333927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.333927][ T73] netlink_rcv_skb+0x130/0x360 [ 791.333927][ T73] netlink_unicast+0x449/0x710 [ 791.333927][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.333927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.333927][ T73] ___sys_sendmsg+0xee/0x170 [ 791.333927][ T73] __sys_sendmsg+0xcd/0x170 [ 791.333927][ T73] do_syscall_64+0xc6/0x1e0 [ 791.333927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.333927][ T73] [ 791.335477][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 791.335477][ T73] neigh_parms_alloc+0x1e5/0x510 [ 791.335477][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 791.335477][ T73] ipv6_find_idev+0x102/0x170 [ 791.335477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.335477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.335477][ T73] netlink_rcv_skb+0x130/0x360 [ 791.335477][ T73] netlink_unicast+0x449/0x710 [ 791.335477][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.335477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.335477][ T73] ___sys_sendmsg+0xee/0x170 [ 791.335477][ T73] __sys_sendmsg+0xcd/0x170 [ 791.335477][ T73] do_syscall_64+0xc6/0x1e0 [ 791.335477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.335477][ T73] [ 791.337339][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 791.337607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.337607][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 791.337607][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 791.337607][ T73] fib6_nh_init+0xa22/0x1580 [ 791.337607][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.337607][ T73] ip6_route_add+0x1c/0x140 [ 791.337607][ T73] inet6_rtm_newroute+0x104/0x110 [ 791.337607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.337607][ T73] netlink_rcv_skb+0x130/0x360 [ 791.337607][ T73] netlink_unicast+0x449/0x710 [ 791.337607][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.337607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.337607][ T73] ___sys_sendmsg+0xee/0x170 [ 791.337607][ T73] __sys_sendmsg+0xcd/0x170 [ 791.337607][ T73] do_syscall_64+0xc6/0x1e0 [ 791.337607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.337607][ T73] [ 791.339778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.339778][ T73] dst_init+0x84/0x4a0 [ 791.339778][ T73] dst_alloc+0x97/0x150 [ 791.339778][ T73] ip6_dst_alloc+0x23/0x90 [ 791.339778][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 791.339778][ T73] ip6_pol_route+0x56f/0x840 [ 791.339778][ T73] fib6_rule_lookup+0x456/0x630 [ 791.339778][ T73] ip6_route_input+0x59c/0xa50 [ 791.339778][ T73] ipv6_rcv+0x397/0x810 [ 791.339778][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 791.339778][ T73] process_backlog+0x101/0x620 [ 791.339778][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 791.339778][ T73] net_rx_action+0x495/0xbe0 [ 791.339778][ T73] __do_softirq+0x1b5/0x7f6 [ 791.339778][ T73] [ 791.341590][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.341590][ T73] netdev_get_by_index+0x5e/0x80 [ 791.341590][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.341590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.341590][ T73] ip6_route_add+0x1c/0x140 [ 791.341590][ T73] addrconf_prefix_route+0x2a6/0x430 [ 791.341590][ T73] inet6_addr_add+0x4f8/0xa40 [ 791.341590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.341590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.341590][ T73] netlink_rcv_skb+0x130/0x360 [ 791.341590][ T73] netlink_unicast+0x449/0x710 [ 791.341590][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.341590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.341590][ T73] ___sys_sendmsg+0xee/0x170 [ 791.341590][ T73] __sys_sendmsg+0xcd/0x170 [ 791.341590][ T73] do_syscall_64+0xc6/0x1e0 [ 791.341590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.341590][ T73] [ 791.343826][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.343826][ T73] netdev_get_by_index+0x5e/0x80 [ 791.343826][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.343826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.343826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 791.343826][ T73] ipv6_add_addr+0x411/0x2000 [ 791.343826][ T73] inet6_addr_add+0x30e/0xa40 [ 791.343826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.343826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.343826][ T73] netlink_rcv_skb+0x130/0x360 [ 791.343826][ T73] netlink_unicast+0x449/0x710 [ 791.343826][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.343826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.343826][ T73] ___sys_sendmsg+0xee/0x170 [ 791.343826][ T73] __sys_sendmsg+0xcd/0x170 [ 791.343826][ T73] do_syscall_64+0xc6/0x1e0 [ 791.343826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.343826][ T73] [ 791.346081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.346081][ T73] netdev_get_by_index+0x5e/0x80 [ 791.346081][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.346081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.346081][ T73] ip6_route_add+0x1c/0x140 [ 791.346081][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 791.346081][ T73] addrconf_add_dev+0xe2/0x170 [ 791.346081][ T73] inet6_addr_add+0x12f/0xa40 [ 791.346081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.346081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.346081][ T73] netlink_rcv_skb+0x130/0x360 [ 791.346081][ T73] netlink_unicast+0x449/0x710 [ 791.346081][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.346081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.346081][ T73] ___sys_sendmsg+0xee/0x170 [ 791.346081][ T73] __sys_sendmsg+0xcd/0x170 [ 791.346081][ T73] do_syscall_64+0xc6/0x1e0 [ 791.346081][ T73] [ 791.348342][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.348342][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 791.348342][ T73] ipv6_find_idev+0x102/0x170 [ 791.348342][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.348342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.348342][ T73] netlink_rcv_skb+0x130/0x360 [ 791.348342][ T73] netlink_unicast+0x449/0x710 [ 791.348342][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.348342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.348342][ T73] ___sys_sendmsg+0xee/0x170 [ 791.348342][ T73] __sys_sendmsg+0xcd/0x170 [ 791.348342][ T73] do_syscall_64+0xc6/0x1e0 [ 791.348342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.348342][ T73] [ 791.350115][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 791.350115][ T73] neigh_parms_alloc+0x1e5/0x510 [ 791.350115][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 791.350115][ T73] ipv6_find_idev+0x102/0x170 [ 791.350115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.350115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.350115][ T73] netlink_rcv_skb+0x130/0x360 [ 791.350115][ T73] netlink_unicast+0x449/0x710 [ 791.350115][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.350115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.350115][ T73] ___sys_sendmsg+0xee/0x170 [ 791.350115][ T73] __sys_sendmsg+0xcd/0x170 [ 791.350115][ T73] do_syscall_64+0xc6/0x1e0 [ 791.350115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.350115][ T73] [ 791.352048][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 791.352317][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 791.352317][ T73] netdev_get_by_index+0x5e/0x80 [ 791.352317][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.352317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.352317][ T73] addrconf_f6i_alloc+0x265/0x560 [ 791.352317][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 791.352317][ T73] addrconf_join_anycast+0x1c0/0x220 [ 791.352317][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 791.352317][ T73] addrconf_dad_completed+0x12b/0xe20 [ 791.352317][ T73] addrconf_dad_begin+0x310/0x670 [ 791.352317][ T73] addrconf_dad_work+0x10b/0xab0 [ 791.352317][ T73] process_one_work+0x84d/0x18a0 [ 791.352317][ T73] worker_thread+0x587/0xd30 [ 791.352317][ T73] kthread+0x28a/0x350 [ 791.352317][ T73] ret_from_fork+0x31/0x70 [ 791.352317][ T73] ret_from_fork_asm+0x1a/0x30 [ 791.352317][ T73] [ 791.354455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 791.354455][ T73] netdev_get_by_index+0x5e/0x80 [ 791.354455][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.354455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.354455][ T73] ip6_route_add+0x1c/0x140 [ 791.354455][ T73] addrconf_prefix_route+0x2a6/0x430 [ 791.354455][ T73] inet6_addr_add+0x4f8/0xa40 [ 791.354455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.354455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.354455][ T73] netlink_rcv_skb+0x130/0x360 [ 791.354455][ T73] netlink_unicast+0x449/0x710 [ 791.354455][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.354455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.354455][ T73] ___sys_sendmsg+0xee/0x170 [ 791.354455][ T73] __sys_sendmsg+0xcd/0x170 [ 791.354455][ T73] do_syscall_64+0xc6/0x1e0 [ 791.354455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.354455][ T73] [ 791.356773][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 791.356773][ T73] netdev_get_by_index+0x5e/0x80 [ 791.356773][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.356773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.356773][ T73] addrconf_f6i_alloc+0x315/0x560 [ 791.356773][ T73] ipv6_add_addr+0x411/0x2000 [ 791.356773][ T73] inet6_addr_add+0x30e/0xa40 [ 791.356773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.356773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.356773][ T73] netlink_rcv_skb+0x130/0x360 [ 791.356773][ T73] netlink_unicast+0x449/0x710 [ 791.356773][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.356773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.356773][ T73] ___sys_sendmsg+0xee/0x170 [ 791.356773][ T73] __sys_sendmsg+0xcd/0x170 [ 791.356773][ T73] do_syscall_64+0xc6/0x1e0 [ 791.356773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.356773][ T73] [ 791.358956][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 791.358956][ T73] netdev_get_by_index+0x5e/0x80 [ 791.358956][ T73] fib6_nh_init+0x3d8/0x1580 [ 791.358956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 791.358956][ T73] ip6_route_add+0x1c/0x140 [ 791.358956][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 791.358956][ T73] addrconf_add_dev+0xe2/0x170 [ 791.358956][ T73] inet6_addr_add+0x12f/0xa40 [ 791.358956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 791.358956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.358956][ T73] netlink_rcv_skb+0x130/0x360 [ 791.358956][ T73] netlink_unicast+0x449/0x710 [ 791.358956][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.358956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.358956][ T73] ___sys_sendmsg+0xee/0x170 [ 791.358956][ T73] __sys_sendmsg+0xcd/0x170 [ 791.358956][ T73] do_syscall_64+0xc6/0x1e0 [ 791.358956][ T73] [ 791.361188][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 791.361188][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 791.361188][ T73] ipv6_find_idev+0x102/0x170 [ 791.361188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.361188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.361188][ T73] netlink_rcv_skb+0x130/0x360 [ 791.361188][ T73] netlink_unicast+0x449/0x710 [ 791.361188][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.361188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.361188][ T73] ___sys_sendmsg+0xee/0x170 [ 791.361188][ T73] __sys_sendmsg+0xcd/0x170 [ 791.361188][ T73] do_syscall_64+0xc6/0x1e0 [ 791.361188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.361188][ T73] [ 791.362905][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 791.362905][ T73] neigh_parms_alloc+0x1e5/0x510 [ 791.362905][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 791.362905][ T73] ipv6_find_idev+0x102/0x170 [ 791.362905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 791.362905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 791.362905][ T73] netlink_rcv_skb+0x130/0x360 [ 791.362905][ T73] netlink_unicast+0x449/0x710 [ 791.362905][ T73] netlink_sendmsg+0x723/0xbe0 [ 791.362905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 791.362905][ T73] ___sys_sendmsg+0xee/0x170 [ 791.362905][ T73] __sys_sendmsg+0xcd/0x170 [ 791.362905][ T73] do_syscall_64+0xc6/0x1e0 [ 791.362905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 791.362905][ T73] [ 801.606974][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 801.607457][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.607457][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 801.607457][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 801.607457][ T73] fib6_nh_init+0xa22/0x1580 [ 801.607457][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.607457][ T73] ip6_route_add+0x1c/0x140 [ 801.607457][ T73] inet6_rtm_newroute+0x104/0x110 [ 801.607457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.607457][ T73] netlink_rcv_skb+0x130/0x360 [ 801.607457][ T73] netlink_unicast+0x449/0x710 [ 801.607457][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.607457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.607457][ T73] ___sys_sendmsg+0xee/0x170 [ 801.607457][ T73] __sys_sendmsg+0xcd/0x170 [ 801.607457][ T73] do_syscall_64+0xc6/0x1e0 [ 801.607457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.607457][ T73] [ 801.609593][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.609593][ T73] dst_init+0x84/0x4a0 [ 801.609593][ T73] dst_alloc+0x97/0x150 [ 801.609593][ T73] ip6_dst_alloc+0x23/0x90 [ 801.609593][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 801.609593][ T73] ip6_pol_route+0x56f/0x840 [ 801.609593][ T73] fib6_rule_lookup+0x456/0x630 [ 801.609593][ T73] ip6_route_input+0x59c/0xa50 [ 801.609593][ T73] ipv6_rcv+0x397/0x810 [ 801.609593][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 801.609593][ T73] process_backlog+0x101/0x620 [ 801.609593][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 801.609593][ T73] net_rx_action+0x495/0xbe0 [ 801.609593][ T73] __do_softirq+0x1b5/0x7f6 [ 801.609593][ T73] [ 801.611428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.611428][ T73] netdev_get_by_index+0x5e/0x80 [ 801.611428][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.611428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.611428][ T73] ip6_route_add+0x1c/0x140 [ 801.611428][ T73] addrconf_prefix_route+0x2a6/0x430 [ 801.611428][ T73] inet6_addr_add+0x4f8/0xa40 [ 801.611428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.611428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.611428][ T73] netlink_rcv_skb+0x130/0x360 [ 801.611428][ T73] netlink_unicast+0x449/0x710 [ 801.611428][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.611428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.611428][ T73] ___sys_sendmsg+0xee/0x170 [ 801.611428][ T73] __sys_sendmsg+0xcd/0x170 [ 801.611428][ T73] do_syscall_64+0xc6/0x1e0 [ 801.611428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.611428][ T73] [ 801.613687][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.613687][ T73] netdev_get_by_index+0x5e/0x80 [ 801.613687][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.613687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.613687][ T73] addrconf_f6i_alloc+0x315/0x560 [ 801.613687][ T73] ipv6_add_addr+0x411/0x2000 [ 801.613687][ T73] inet6_addr_add+0x30e/0xa40 [ 801.613687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.613687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.613687][ T73] netlink_rcv_skb+0x130/0x360 [ 801.613687][ T73] netlink_unicast+0x449/0x710 [ 801.613687][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.613687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.613687][ T73] ___sys_sendmsg+0xee/0x170 [ 801.613687][ T73] __sys_sendmsg+0xcd/0x170 [ 801.613687][ T73] do_syscall_64+0xc6/0x1e0 [ 801.613687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.613687][ T73] [ 801.615942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.615942][ T73] netdev_get_by_index+0x5e/0x80 [ 801.615942][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.615942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.615942][ T73] ip6_route_add+0x1c/0x140 [ 801.615942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 801.615942][ T73] addrconf_add_dev+0xe2/0x170 [ 801.615942][ T73] inet6_addr_add+0x12f/0xa40 [ 801.615942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.615942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.615942][ T73] netlink_rcv_skb+0x130/0x360 [ 801.615942][ T73] netlink_unicast+0x449/0x710 [ 801.615942][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.615942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.615942][ T73] ___sys_sendmsg+0xee/0x170 [ 801.615942][ T73] __sys_sendmsg+0xcd/0x170 [ 801.615942][ T73] do_syscall_64+0xc6/0x1e0 [ 801.615942][ T73] [ 801.618177][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.618177][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 801.618177][ T73] ipv6_find_idev+0x102/0x170 [ 801.618177][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.618177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.618177][ T73] netlink_rcv_skb+0x130/0x360 [ 801.618177][ T73] netlink_unicast+0x449/0x710 [ 801.618177][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.618177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.618177][ T73] ___sys_sendmsg+0xee/0x170 [ 801.618177][ T73] __sys_sendmsg+0xcd/0x170 [ 801.618177][ T73] do_syscall_64+0xc6/0x1e0 [ 801.618177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.618177][ T73] [ 801.619901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 801.619901][ T73] neigh_parms_alloc+0x1e5/0x510 [ 801.619901][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 801.619901][ T73] ipv6_find_idev+0x102/0x170 [ 801.619901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.619901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.619901][ T73] netlink_rcv_skb+0x130/0x360 [ 801.619901][ T73] netlink_unicast+0x449/0x710 [ 801.619901][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.619901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.619901][ T73] ___sys_sendmsg+0xee/0x170 [ 801.619901][ T73] __sys_sendmsg+0xcd/0x170 [ 801.619901][ T73] do_syscall_64+0xc6/0x1e0 [ 801.619901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.619901][ T73] [ 801.621814][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 801.622114][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.622114][ T73] dst_init+0x84/0x4a0 [ 801.622114][ T73] dst_alloc+0x97/0x150 [ 801.622114][ T73] ip6_dst_alloc+0x23/0x90 [ 801.622114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 801.622114][ T73] ip6_pol_route+0x56f/0x840 [ 801.622114][ T73] fib6_rule_lookup+0x456/0x630 [ 801.622114][ T73] ip6_route_input+0x59c/0xa50 [ 801.622114][ T73] ipv6_rcv+0x397/0x810 [ 801.622114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 801.622114][ T73] process_backlog+0x101/0x620 [ 801.622114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 801.622114][ T73] net_rx_action+0x495/0xbe0 [ 801.622114][ T73] __do_softirq+0x1b5/0x7f6 [ 801.622114][ T73] [ 801.623976][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.623976][ T73] netdev_get_by_index+0x5e/0x80 [ 801.623976][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.623976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.623976][ T73] addrconf_f6i_alloc+0x265/0x560 [ 801.623976][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 801.623976][ T73] addrconf_join_anycast+0x1c0/0x220 [ 801.623976][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 801.623976][ T73] addrconf_dad_completed+0x12b/0xe20 [ 801.623976][ T73] addrconf_dad_begin+0x310/0x670 [ 801.623976][ T73] addrconf_dad_work+0x10b/0xab0 [ 801.623976][ T73] process_one_work+0x84d/0x18a0 [ 801.623976][ T73] worker_thread+0x587/0xd30 [ 801.623976][ T73] kthread+0x28a/0x350 [ 801.623976][ T73] ret_from_fork+0x31/0x70 [ 801.623976][ T73] ret_from_fork_asm+0x1a/0x30 [ 801.623976][ T73] [ 801.626093][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.626093][ T73] netdev_get_by_index+0x5e/0x80 [ 801.626093][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.626093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.626093][ T73] ip6_route_add+0x1c/0x140 [ 801.626093][ T73] addrconf_prefix_route+0x2a6/0x430 [ 801.626093][ T73] inet6_addr_add+0x4f8/0xa40 [ 801.626093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.626093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.626093][ T73] netlink_rcv_skb+0x130/0x360 [ 801.626093][ T73] netlink_unicast+0x449/0x710 [ 801.626093][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.626093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.626093][ T73] ___sys_sendmsg+0xee/0x170 [ 801.626093][ T73] __sys_sendmsg+0xcd/0x170 [ 801.626093][ T73] do_syscall_64+0xc6/0x1e0 [ 801.626093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.626093][ T73] [ 801.628343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.628343][ T73] netdev_get_by_index+0x5e/0x80 [ 801.628343][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.628343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.628343][ T73] addrconf_f6i_alloc+0x315/0x560 [ 801.628343][ T73] ipv6_add_addr+0x411/0x2000 [ 801.628343][ T73] inet6_addr_add+0x30e/0xa40 [ 801.628343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.628343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.628343][ T73] netlink_rcv_skb+0x130/0x360 [ 801.628343][ T73] netlink_unicast+0x449/0x710 [ 801.628343][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.628343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.628343][ T73] ___sys_sendmsg+0xee/0x170 [ 801.628343][ T73] __sys_sendmsg+0xcd/0x170 [ 801.628343][ T73] do_syscall_64+0xc6/0x1e0 [ 801.628343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.628343][ T73] [ 801.630560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.630560][ T73] netdev_get_by_index+0x5e/0x80 [ 801.630560][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.630560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.630560][ T73] ip6_route_add+0x1c/0x140 [ 801.630560][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 801.630560][ T73] addrconf_add_dev+0xe2/0x170 [ 801.630560][ T73] inet6_addr_add+0x12f/0xa40 [ 801.630560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.630560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.630560][ T73] netlink_rcv_skb+0x130/0x360 [ 801.630560][ T73] netlink_unicast+0x449/0x710 [ 801.630560][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.630560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.630560][ T73] ___sys_sendmsg+0xee/0x170 [ 801.630560][ T73] __sys_sendmsg+0xcd/0x170 [ 801.630560][ T73] do_syscall_64+0xc6/0x1e0 [ 801.630560][ T73] [ 801.632774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.632774][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 801.632774][ T73] ipv6_find_idev+0x102/0x170 [ 801.632774][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.632774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.632774][ T73] netlink_rcv_skb+0x130/0x360 [ 801.632774][ T73] netlink_unicast+0x449/0x710 [ 801.632774][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.632774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.632774][ T73] ___sys_sendmsg+0xee/0x170 [ 801.632774][ T73] __sys_sendmsg+0xcd/0x170 [ 801.632774][ T73] do_syscall_64+0xc6/0x1e0 [ 801.632774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.632774][ T73] [ 801.634478][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 801.634478][ T73] neigh_parms_alloc+0x1e5/0x510 [ 801.634478][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 801.634478][ T73] ipv6_find_idev+0x102/0x170 [ 801.634478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.634478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.634478][ T73] netlink_rcv_skb+0x130/0x360 [ 801.634478][ T73] netlink_unicast+0x449/0x710 [ 801.634478][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.634478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.634478][ T73] ___sys_sendmsg+0xee/0x170 [ 801.634478][ T73] __sys_sendmsg+0xcd/0x170 [ 801.634478][ T73] do_syscall_64+0xc6/0x1e0 [ 801.634478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.634478][ T73] [ 801.636528][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 801.636854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.636854][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 801.636854][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 801.636854][ T73] fib6_nh_init+0xa22/0x1580 [ 801.636854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.636854][ T73] ip6_route_add+0x1c/0x140 [ 801.636854][ T73] inet6_rtm_newroute+0x104/0x110 [ 801.636854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.636854][ T73] netlink_rcv_skb+0x130/0x360 [ 801.636854][ T73] netlink_unicast+0x449/0x710 [ 801.636854][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.636854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.636854][ T73] ___sys_sendmsg+0xee/0x170 [ 801.636854][ T73] __sys_sendmsg+0xcd/0x170 [ 801.636854][ T73] do_syscall_64+0xc6/0x1e0 [ 801.636854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.636854][ T73] [ 801.639172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.639172][ T73] dst_init+0x84/0x4a0 [ 801.639172][ T73] dst_alloc+0x97/0x150 [ 801.639172][ T73] ip6_dst_alloc+0x23/0x90 [ 801.639172][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 801.639172][ T73] ip6_pol_route+0x56f/0x840 [ 801.639172][ T73] fib6_rule_lookup+0x456/0x630 [ 801.639172][ T73] ip6_route_input+0x59c/0xa50 [ 801.639172][ T73] ipv6_rcv+0x397/0x810 [ 801.639172][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 801.639172][ T73] process_backlog+0x101/0x620 [ 801.639172][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 801.639172][ T73] net_rx_action+0x495/0xbe0 [ 801.639172][ T73] __do_softirq+0x1b5/0x7f6 [ 801.639172][ T73] [ 801.641257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.641257][ T73] netdev_get_by_index+0x5e/0x80 [ 801.641257][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.641257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.641257][ T73] ip6_route_add+0x1c/0x140 [ 801.641257][ T73] addrconf_prefix_route+0x2a6/0x430 [ 801.641257][ T73] inet6_addr_add+0x4f8/0xa40 [ 801.641257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.641257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.641257][ T73] netlink_rcv_skb+0x130/0x360 [ 801.641257][ T73] netlink_unicast+0x449/0x710 [ 801.641257][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.641257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.641257][ T73] ___sys_sendmsg+0xee/0x170 [ 801.641257][ T73] __sys_sendmsg+0xcd/0x170 [ 801.641257][ T73] do_syscall_64+0xc6/0x1e0 [ 801.641257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.641257][ T73] [ 801.643751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.643751][ T73] netdev_get_by_index+0x5e/0x80 [ 801.643751][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.643751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.643751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 801.643751][ T73] ipv6_add_addr+0x411/0x2000 [ 801.643751][ T73] inet6_addr_add+0x30e/0xa40 [ 801.643751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.643751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.643751][ T73] netlink_rcv_skb+0x130/0x360 [ 801.643751][ T73] netlink_unicast+0x449/0x710 [ 801.643751][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.643751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.643751][ T73] ___sys_sendmsg+0xee/0x170 [ 801.643751][ T73] __sys_sendmsg+0xcd/0x170 [ 801.643751][ T73] do_syscall_64+0xc6/0x1e0 [ 801.643751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.643751][ T73] [ 801.646178][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.646178][ T73] netdev_get_by_index+0x5e/0x80 [ 801.646178][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.646178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.646178][ T73] ip6_route_add+0x1c/0x140 [ 801.646178][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 801.646178][ T73] addrconf_add_dev+0xe2/0x170 [ 801.646178][ T73] inet6_addr_add+0x12f/0xa40 [ 801.646178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.646178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.646178][ T73] netlink_rcv_skb+0x130/0x360 [ 801.646178][ T73] netlink_unicast+0x449/0x710 [ 801.646178][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.646178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.646178][ T73] ___sys_sendmsg+0xee/0x170 [ 801.646178][ T73] __sys_sendmsg+0xcd/0x170 [ 801.646178][ T73] do_syscall_64+0xc6/0x1e0 [ 801.646178][ T73] [ 801.648629][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.648629][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 801.648629][ T73] ipv6_find_idev+0x102/0x170 [ 801.648629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.648629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.648629][ T73] netlink_rcv_skb+0x130/0x360 [ 801.648629][ T73] netlink_unicast+0x449/0x710 [ 801.648629][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.648629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.648629][ T73] ___sys_sendmsg+0xee/0x170 [ 801.648629][ T73] __sys_sendmsg+0xcd/0x170 [ 801.648629][ T73] do_syscall_64+0xc6/0x1e0 [ 801.648629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.648629][ T73] [ 801.650472][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 801.650472][ T73] neigh_parms_alloc+0x1e5/0x510 [ 801.650472][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 801.650472][ T73] ipv6_find_idev+0x102/0x170 [ 801.650472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.650472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.650472][ T73] netlink_rcv_skb+0x130/0x360 [ 801.650472][ T73] netlink_unicast+0x449/0x710 [ 801.650472][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.650472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.650472][ T73] ___sys_sendmsg+0xee/0x170 [ 801.650472][ T73] __sys_sendmsg+0xcd/0x170 [ 801.650472][ T73] do_syscall_64+0xc6/0x1e0 [ 801.650472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.650472][ T73] [ 801.652668][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 801.653426][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 801.653426][ T73] netdev_get_by_index+0x5e/0x80 [ 801.653426][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.653426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.653426][ T73] addrconf_f6i_alloc+0x265/0x560 [ 801.653426][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 801.653426][ T73] addrconf_join_anycast+0x1c0/0x220 [ 801.653426][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 801.653426][ T73] addrconf_dad_completed+0x12b/0xe20 [ 801.653426][ T73] addrconf_dad_begin+0x310/0x670 [ 801.653426][ T73] addrconf_dad_work+0x10b/0xab0 [ 801.653426][ T73] process_one_work+0x84d/0x18a0 [ 801.653426][ T73] worker_thread+0x587/0xd30 [ 801.653426][ T73] kthread+0x28a/0x350 [ 801.653426][ T73] ret_from_fork+0x31/0x70 [ 801.653426][ T73] ret_from_fork_asm+0x1a/0x30 [ 801.653426][ T73] [ 801.655557][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 801.655557][ T73] netdev_get_by_index+0x5e/0x80 [ 801.655557][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.655557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.655557][ T73] ip6_route_add+0x1c/0x140 [ 801.655557][ T73] addrconf_prefix_route+0x2a6/0x430 [ 801.655557][ T73] inet6_addr_add+0x4f8/0xa40 [ 801.655557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.655557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.655557][ T73] netlink_rcv_skb+0x130/0x360 [ 801.655557][ T73] netlink_unicast+0x449/0x710 [ 801.655557][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.655557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.655557][ T73] ___sys_sendmsg+0xee/0x170 [ 801.655557][ T73] __sys_sendmsg+0xcd/0x170 [ 801.655557][ T73] do_syscall_64+0xc6/0x1e0 [ 801.655557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.655557][ T73] [ 801.657929][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 801.657929][ T73] netdev_get_by_index+0x5e/0x80 [ 801.657929][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.657929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.657929][ T73] addrconf_f6i_alloc+0x315/0x560 [ 801.657929][ T73] ipv6_add_addr+0x411/0x2000 [ 801.657929][ T73] inet6_addr_add+0x30e/0xa40 [ 801.657929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.657929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.657929][ T73] netlink_rcv_skb+0x130/0x360 [ 801.657929][ T73] netlink_unicast+0x449/0x710 [ 801.657929][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.657929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.657929][ T73] ___sys_sendmsg+0xee/0x170 [ 801.657929][ T73] __sys_sendmsg+0xcd/0x170 [ 801.657929][ T73] do_syscall_64+0xc6/0x1e0 [ 801.657929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.657929][ T73] [ 801.660417][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 801.660417][ T73] netdev_get_by_index+0x5e/0x80 [ 801.660417][ T73] fib6_nh_init+0x3d8/0x1580 [ 801.660417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 801.660417][ T73] ip6_route_add+0x1c/0x140 [ 801.660417][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 801.660417][ T73] addrconf_add_dev+0xe2/0x170 [ 801.660417][ T73] inet6_addr_add+0x12f/0xa40 [ 801.660417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 801.660417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.660417][ T73] netlink_rcv_skb+0x130/0x360 [ 801.660417][ T73] netlink_unicast+0x449/0x710 [ 801.660417][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.660417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.660417][ T73] ___sys_sendmsg+0xee/0x170 [ 801.660417][ T73] __sys_sendmsg+0xcd/0x170 [ 801.660417][ T73] do_syscall_64+0xc6/0x1e0 [ 801.660417][ T73] [ 801.662783][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 801.662783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 801.662783][ T73] ipv6_find_idev+0x102/0x170 [ 801.662783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.662783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.662783][ T73] netlink_rcv_skb+0x130/0x360 [ 801.662783][ T73] netlink_unicast+0x449/0x710 [ 801.662783][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.662783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.662783][ T73] ___sys_sendmsg+0xee/0x170 [ 801.662783][ T73] __sys_sendmsg+0xcd/0x170 [ 801.662783][ T73] do_syscall_64+0xc6/0x1e0 [ 801.662783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.662783][ T73] [ 801.664701][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 801.664701][ T73] neigh_parms_alloc+0x1e5/0x510 [ 801.664701][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 801.664701][ T73] ipv6_find_idev+0x102/0x170 [ 801.664701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 801.664701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 801.664701][ T73] netlink_rcv_skb+0x130/0x360 [ 801.664701][ T73] netlink_unicast+0x449/0x710 [ 801.664701][ T73] netlink_sendmsg+0x723/0xbe0 [ 801.664701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 801.664701][ T73] ___sys_sendmsg+0xee/0x170 [ 801.664701][ T73] __sys_sendmsg+0xcd/0x170 [ 801.664701][ T73] do_syscall_64+0xc6/0x1e0 [ 801.664701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 801.664701][ T73] [ 811.902877][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 811.903345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.903345][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 811.903345][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 811.903345][ T73] fib6_nh_init+0xa22/0x1580 [ 811.903345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.903345][ T73] ip6_route_add+0x1c/0x140 [ 811.903345][ T73] inet6_rtm_newroute+0x104/0x110 [ 811.903345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.903345][ T73] netlink_rcv_skb+0x130/0x360 [ 811.903345][ T73] netlink_unicast+0x449/0x710 [ 811.903345][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.903345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.903345][ T73] ___sys_sendmsg+0xee/0x170 [ 811.903345][ T73] __sys_sendmsg+0xcd/0x170 [ 811.903345][ T73] do_syscall_64+0xc6/0x1e0 [ 811.903345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.903345][ T73] [ 811.905602][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.905602][ T73] dst_init+0x84/0x4a0 [ 811.905602][ T73] dst_alloc+0x97/0x150 [ 811.905602][ T73] ip6_dst_alloc+0x23/0x90 [ 811.905602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 811.905602][ T73] ip6_pol_route+0x56f/0x840 [ 811.905602][ T73] fib6_rule_lookup+0x456/0x630 [ 811.905602][ T73] ip6_route_input+0x59c/0xa50 [ 811.905602][ T73] ipv6_rcv+0x397/0x810 [ 811.905602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 811.905602][ T73] process_backlog+0x101/0x620 [ 811.905602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 811.905602][ T73] net_rx_action+0x495/0xbe0 [ 811.905602][ T73] __do_softirq+0x1b5/0x7f6 [ 811.905602][ T73] [ 811.907496][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.907496][ T73] netdev_get_by_index+0x5e/0x80 [ 811.907496][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.907496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.907496][ T73] ip6_route_add+0x1c/0x140 [ 811.907496][ T73] addrconf_prefix_route+0x2a6/0x430 [ 811.907496][ T73] inet6_addr_add+0x4f8/0xa40 [ 811.907496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.907496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.907496][ T73] netlink_rcv_skb+0x130/0x360 [ 811.907496][ T73] netlink_unicast+0x449/0x710 [ 811.907496][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.907496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.907496][ T73] ___sys_sendmsg+0xee/0x170 [ 811.907496][ T73] __sys_sendmsg+0xcd/0x170 [ 811.907496][ T73] do_syscall_64+0xc6/0x1e0 [ 811.907496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.907496][ T73] [ 811.909858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.909858][ T73] netdev_get_by_index+0x5e/0x80 [ 811.909858][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.909858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.909858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 811.909858][ T73] ipv6_add_addr+0x411/0x2000 [ 811.909858][ T73] inet6_addr_add+0x30e/0xa40 [ 811.909858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.909858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.909858][ T73] netlink_rcv_skb+0x130/0x360 [ 811.909858][ T73] netlink_unicast+0x449/0x710 [ 811.909858][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.909858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.909858][ T73] ___sys_sendmsg+0xee/0x170 [ 811.909858][ T73] __sys_sendmsg+0xcd/0x170 [ 811.909858][ T73] do_syscall_64+0xc6/0x1e0 [ 811.909858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.909858][ T73] [ 811.912081][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.912081][ T73] netdev_get_by_index+0x5e/0x80 [ 811.912081][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.912081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.912081][ T73] ip6_route_add+0x1c/0x140 [ 811.912081][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 811.912081][ T73] addrconf_add_dev+0xe2/0x170 [ 811.912081][ T73] inet6_addr_add+0x12f/0xa40 [ 811.912081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.912081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.912081][ T73] netlink_rcv_skb+0x130/0x360 [ 811.912081][ T73] netlink_unicast+0x449/0x710 [ 811.912081][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.912081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.912081][ T73] ___sys_sendmsg+0xee/0x170 [ 811.912081][ T73] __sys_sendmsg+0xcd/0x170 [ 811.912081][ T73] do_syscall_64+0xc6/0x1e0 [ 811.912081][ T73] [ 811.914262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.914262][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 811.914262][ T73] ipv6_find_idev+0x102/0x170 [ 811.914262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.914262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.914262][ T73] netlink_rcv_skb+0x130/0x360 [ 811.914262][ T73] netlink_unicast+0x449/0x710 [ 811.914262][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.914262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.914262][ T73] ___sys_sendmsg+0xee/0x170 [ 811.914262][ T73] __sys_sendmsg+0xcd/0x170 [ 811.914262][ T73] do_syscall_64+0xc6/0x1e0 [ 811.914262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.914262][ T73] [ 811.915987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 811.915987][ T73] neigh_parms_alloc+0x1e5/0x510 [ 811.915987][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 811.915987][ T73] ipv6_find_idev+0x102/0x170 [ 811.915987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.915987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.915987][ T73] netlink_rcv_skb+0x130/0x360 [ 811.915987][ T73] netlink_unicast+0x449/0x710 [ 811.915987][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.915987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.915987][ T73] ___sys_sendmsg+0xee/0x170 [ 811.915987][ T73] __sys_sendmsg+0xcd/0x170 [ 811.915987][ T73] do_syscall_64+0xc6/0x1e0 [ 811.915987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.915987][ T73] [ 811.918503][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 811.918811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.918811][ T73] dst_init+0x84/0x4a0 [ 811.918811][ T73] dst_alloc+0x97/0x150 [ 811.918811][ T73] ip6_dst_alloc+0x23/0x90 [ 811.918811][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 811.918811][ T73] ip6_pol_route+0x56f/0x840 [ 811.918811][ T73] fib6_rule_lookup+0x456/0x630 [ 811.918811][ T73] ip6_route_input+0x59c/0xa50 [ 811.918811][ T73] ipv6_rcv+0x397/0x810 [ 811.918811][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 811.918811][ T73] process_backlog+0x101/0x620 [ 811.918811][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 811.918811][ T73] net_rx_action+0x495/0xbe0 [ 811.918811][ T73] __do_softirq+0x1b5/0x7f6 [ 811.918811][ T73] [ 811.920774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.920774][ T73] netdev_get_by_index+0x5e/0x80 [ 811.920774][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.920774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.920774][ T73] addrconf_f6i_alloc+0x265/0x560 [ 811.920774][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 811.920774][ T73] addrconf_join_anycast+0x1c0/0x220 [ 811.920774][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 811.920774][ T73] addrconf_dad_completed+0x12b/0xe20 [ 811.920774][ T73] addrconf_dad_begin+0x310/0x670 [ 811.920774][ T73] addrconf_dad_work+0x10b/0xab0 [ 811.920774][ T73] process_one_work+0x84d/0x18a0 [ 811.920774][ T73] worker_thread+0x587/0xd30 [ 811.920774][ T73] kthread+0x28a/0x350 [ 811.920774][ T73] ret_from_fork+0x31/0x70 [ 811.920774][ T73] ret_from_fork_asm+0x1a/0x30 [ 811.920774][ T73] [ 811.923019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.923019][ T73] netdev_get_by_index+0x5e/0x80 [ 811.923019][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.923019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.923019][ T73] ip6_route_add+0x1c/0x140 [ 811.923019][ T73] addrconf_prefix_route+0x2a6/0x430 [ 811.923019][ T73] inet6_addr_add+0x4f8/0xa40 [ 811.923019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.923019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.923019][ T73] netlink_rcv_skb+0x130/0x360 [ 811.923019][ T73] netlink_unicast+0x449/0x710 [ 811.923019][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.923019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.923019][ T73] ___sys_sendmsg+0xee/0x170 [ 811.923019][ T73] __sys_sendmsg+0xcd/0x170 [ 811.923019][ T73] do_syscall_64+0xc6/0x1e0 [ 811.923019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.923019][ T73] [ 811.925402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.925402][ T73] netdev_get_by_index+0x5e/0x80 [ 811.925402][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.925402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.925402][ T73] addrconf_f6i_alloc+0x315/0x560 [ 811.925402][ T73] ipv6_add_addr+0x411/0x2000 [ 811.925402][ T73] inet6_addr_add+0x30e/0xa40 [ 811.925402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.925402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.925402][ T73] netlink_rcv_skb+0x130/0x360 [ 811.925402][ T73] netlink_unicast+0x449/0x710 [ 811.925402][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.925402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.925402][ T73] ___sys_sendmsg+0xee/0x170 [ 811.925402][ T73] __sys_sendmsg+0xcd/0x170 [ 811.925402][ T73] do_syscall_64+0xc6/0x1e0 [ 811.925402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.925402][ T73] [ 811.927714][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.927714][ T73] netdev_get_by_index+0x5e/0x80 [ 811.927714][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.927714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.927714][ T73] ip6_route_add+0x1c/0x140 [ 811.927714][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 811.927714][ T73] addrconf_add_dev+0xe2/0x170 [ 811.927714][ T73] inet6_addr_add+0x12f/0xa40 [ 811.927714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.927714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.927714][ T73] netlink_rcv_skb+0x130/0x360 [ 811.927714][ T73] netlink_unicast+0x449/0x710 [ 811.927714][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.927714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.927714][ T73] ___sys_sendmsg+0xee/0x170 [ 811.927714][ T73] __sys_sendmsg+0xcd/0x170 [ 811.927714][ T73] do_syscall_64+0xc6/0x1e0 [ 811.927714][ T73] [ 811.930065][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.930065][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 811.930065][ T73] ipv6_find_idev+0x102/0x170 [ 811.930065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.930065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.930065][ T73] netlink_rcv_skb+0x130/0x360 [ 811.930065][ T73] netlink_unicast+0x449/0x710 [ 811.930065][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.930065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.930065][ T73] ___sys_sendmsg+0xee/0x170 [ 811.930065][ T73] __sys_sendmsg+0xcd/0x170 [ 811.930065][ T73] do_syscall_64+0xc6/0x1e0 [ 811.930065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.930065][ T73] [ 811.931884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 811.931884][ T73] neigh_parms_alloc+0x1e5/0x510 [ 811.931884][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 811.931884][ T73] ipv6_find_idev+0x102/0x170 [ 811.931884][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.931884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.931884][ T73] netlink_rcv_skb+0x130/0x360 [ 811.931884][ T73] netlink_unicast+0x449/0x710 [ 811.931884][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.931884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.931884][ T73] ___sys_sendmsg+0xee/0x170 [ 811.931884][ T73] __sys_sendmsg+0xcd/0x170 [ 811.931884][ T73] do_syscall_64+0xc6/0x1e0 [ 811.931884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.931884][ T73] [ 811.933968][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 811.934289][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.934289][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 811.934289][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 811.934289][ T73] fib6_nh_init+0xa22/0x1580 [ 811.934289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.934289][ T73] ip6_route_add+0x1c/0x140 [ 811.934289][ T73] inet6_rtm_newroute+0x104/0x110 [ 811.934289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.934289][ T73] netlink_rcv_skb+0x130/0x360 [ 811.934289][ T73] netlink_unicast+0x449/0x710 [ 811.934289][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.934289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.934289][ T73] ___sys_sendmsg+0xee/0x170 [ 811.934289][ T73] __sys_sendmsg+0xcd/0x170 [ 811.934289][ T73] do_syscall_64+0xc6/0x1e0 [ 811.934289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.934289][ T73] [ 811.936808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.936808][ T73] dst_init+0x84/0x4a0 [ 811.936808][ T73] dst_alloc+0x97/0x150 [ 811.936808][ T73] ip6_dst_alloc+0x23/0x90 [ 811.936808][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 811.936808][ T73] ip6_pol_route+0x56f/0x840 [ 811.936808][ T73] fib6_rule_lookup+0x456/0x630 [ 811.936808][ T73] ip6_route_input+0x59c/0xa50 [ 811.936808][ T73] ipv6_rcv+0x397/0x810 [ 811.936808][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 811.936808][ T73] process_backlog+0x101/0x620 [ 811.936808][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 811.936808][ T73] net_rx_action+0x495/0xbe0 [ 811.936808][ T73] __do_softirq+0x1b5/0x7f6 [ 811.936808][ T73] [ 811.938817][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.938817][ T73] netdev_get_by_index+0x5e/0x80 [ 811.938817][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.938817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.938817][ T73] ip6_route_add+0x1c/0x140 [ 811.938817][ T73] addrconf_prefix_route+0x2a6/0x430 [ 811.938817][ T73] inet6_addr_add+0x4f8/0xa40 [ 811.938817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.938817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.938817][ T73] netlink_rcv_skb+0x130/0x360 [ 811.938817][ T73] netlink_unicast+0x449/0x710 [ 811.938817][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.938817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.938817][ T73] ___sys_sendmsg+0xee/0x170 [ 811.938817][ T73] __sys_sendmsg+0xcd/0x170 [ 811.938817][ T73] do_syscall_64+0xc6/0x1e0 [ 811.938817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.938817][ T73] [ 811.941299][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.941299][ T73] netdev_get_by_index+0x5e/0x80 [ 811.941299][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.941299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.941299][ T73] addrconf_f6i_alloc+0x315/0x560 [ 811.941299][ T73] ipv6_add_addr+0x411/0x2000 [ 811.941299][ T73] inet6_addr_add+0x30e/0xa40 [ 811.941299][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.941299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.941299][ T73] netlink_rcv_skb+0x130/0x360 [ 811.941299][ T73] netlink_unicast+0x449/0x710 [ 811.941299][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.941299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.941299][ T73] ___sys_sendmsg+0xee/0x170 [ 811.941299][ T73] __sys_sendmsg+0xcd/0x170 [ 811.941299][ T73] do_syscall_64+0xc6/0x1e0 [ 811.941299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.941299][ T73] [ 811.943804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.943804][ T73] netdev_get_by_index+0x5e/0x80 [ 811.943804][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.943804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.943804][ T73] ip6_route_add+0x1c/0x140 [ 811.943804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 811.943804][ T73] addrconf_add_dev+0xe2/0x170 [ 811.943804][ T73] inet6_addr_add+0x12f/0xa40 [ 811.943804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.943804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.943804][ T73] netlink_rcv_skb+0x130/0x360 [ 811.943804][ T73] netlink_unicast+0x449/0x710 [ 811.943804][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.943804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.943804][ T73] ___sys_sendmsg+0xee/0x170 [ 811.943804][ T73] __sys_sendmsg+0xcd/0x170 [ 811.943804][ T73] do_syscall_64+0xc6/0x1e0 [ 811.943804][ T73] [ 811.946861][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.946861][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 811.946861][ T73] ipv6_find_idev+0x102/0x170 [ 811.946861][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.946861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.946861][ T73] netlink_rcv_skb+0x130/0x360 [ 811.946861][ T73] netlink_unicast+0x449/0x710 [ 811.946861][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.946861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.946861][ T73] ___sys_sendmsg+0xee/0x170 [ 811.946861][ T73] __sys_sendmsg+0xcd/0x170 [ 811.946861][ T73] do_syscall_64+0xc6/0x1e0 [ 811.946861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.946861][ T73] [ 811.948796][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 811.948796][ T73] neigh_parms_alloc+0x1e5/0x510 [ 811.948796][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 811.948796][ T73] ipv6_find_idev+0x102/0x170 [ 811.948796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.948796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.948796][ T73] netlink_rcv_skb+0x130/0x360 [ 811.948796][ T73] netlink_unicast+0x449/0x710 [ 811.948796][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.948796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.948796][ T73] ___sys_sendmsg+0xee/0x170 [ 811.948796][ T73] __sys_sendmsg+0xcd/0x170 [ 811.948796][ T73] do_syscall_64+0xc6/0x1e0 [ 811.948796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.948796][ T73] [ 811.951045][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 811.951355][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 811.951355][ T73] netdev_get_by_index+0x5e/0x80 [ 811.951355][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.951355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.951355][ T73] addrconf_f6i_alloc+0x265/0x560 [ 811.951355][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 811.951355][ T73] addrconf_join_anycast+0x1c0/0x220 [ 811.951355][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 811.951355][ T73] addrconf_dad_completed+0x12b/0xe20 [ 811.951355][ T73] addrconf_dad_begin+0x310/0x670 [ 811.951355][ T73] addrconf_dad_work+0x10b/0xab0 [ 811.951355][ T73] process_one_work+0x84d/0x18a0 [ 811.951355][ T73] worker_thread+0x587/0xd30 [ 811.951355][ T73] kthread+0x28a/0x350 [ 811.951355][ T73] ret_from_fork+0x31/0x70 [ 811.951355][ T73] ret_from_fork_asm+0x1a/0x30 [ 811.951355][ T73] [ 811.953749][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 811.953749][ T73] netdev_get_by_index+0x5e/0x80 [ 811.953749][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.953749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.953749][ T73] ip6_route_add+0x1c/0x140 [ 811.953749][ T73] addrconf_prefix_route+0x2a6/0x430 [ 811.953749][ T73] inet6_addr_add+0x4f8/0xa40 [ 811.953749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.953749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.953749][ T73] netlink_rcv_skb+0x130/0x360 [ 811.953749][ T73] netlink_unicast+0x449/0x710 [ 811.953749][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.953749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.953749][ T73] ___sys_sendmsg+0xee/0x170 [ 811.953749][ T73] __sys_sendmsg+0xcd/0x170 [ 811.953749][ T73] do_syscall_64+0xc6/0x1e0 [ 811.953749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.953749][ T73] [ 811.956264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 811.956264][ T73] netdev_get_by_index+0x5e/0x80 [ 811.956264][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.956264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.956264][ T73] addrconf_f6i_alloc+0x315/0x560 [ 811.956264][ T73] ipv6_add_addr+0x411/0x2000 [ 811.956264][ T73] inet6_addr_add+0x30e/0xa40 [ 811.956264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.956264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.956264][ T73] netlink_rcv_skb+0x130/0x360 [ 811.956264][ T73] netlink_unicast+0x449/0x710 [ 811.956264][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.956264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.956264][ T73] ___sys_sendmsg+0xee/0x170 [ 811.956264][ T73] __sys_sendmsg+0xcd/0x170 [ 811.956264][ T73] do_syscall_64+0xc6/0x1e0 [ 811.956264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.956264][ T73] [ 811.958690][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 811.958690][ T73] netdev_get_by_index+0x5e/0x80 [ 811.958690][ T73] fib6_nh_init+0x3d8/0x1580 [ 811.958690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 811.958690][ T73] ip6_route_add+0x1c/0x140 [ 811.958690][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 811.958690][ T73] addrconf_add_dev+0xe2/0x170 [ 811.958690][ T73] inet6_addr_add+0x12f/0xa40 [ 811.958690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 811.958690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.958690][ T73] netlink_rcv_skb+0x130/0x360 [ 811.958690][ T73] netlink_unicast+0x449/0x710 [ 811.958690][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.958690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.958690][ T73] ___sys_sendmsg+0xee/0x170 [ 811.958690][ T73] __sys_sendmsg+0xcd/0x170 [ 811.958690][ T73] do_syscall_64+0xc6/0x1e0 [ 811.958690][ T73] [ 811.961242][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 811.961242][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 811.961242][ T73] ipv6_find_idev+0x102/0x170 [ 811.961242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.961242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.961242][ T73] netlink_rcv_skb+0x130/0x360 [ 811.961242][ T73] netlink_unicast+0x449/0x710 [ 811.961242][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.961242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.961242][ T73] ___sys_sendmsg+0xee/0x170 [ 811.961242][ T73] __sys_sendmsg+0xcd/0x170 [ 811.961242][ T73] do_syscall_64+0xc6/0x1e0 [ 811.961242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.961242][ T73] [ 811.963248][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 811.963248][ T73] neigh_parms_alloc+0x1e5/0x510 [ 811.963248][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 811.963248][ T73] ipv6_find_idev+0x102/0x170 [ 811.963248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 811.963248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 811.963248][ T73] netlink_rcv_skb+0x130/0x360 [ 811.963248][ T73] netlink_unicast+0x449/0x710 [ 811.963248][ T73] netlink_sendmsg+0x723/0xbe0 [ 811.963248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 811.963248][ T73] ___sys_sendmsg+0xee/0x170 [ 811.963248][ T73] __sys_sendmsg+0xcd/0x170 [ 811.963248][ T73] do_syscall_64+0xc6/0x1e0 [ 811.963248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 811.963248][ T73] [ 822.206990][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 822.207451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.207451][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 822.207451][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 822.207451][ T73] fib6_nh_init+0xa22/0x1580 [ 822.207451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.207451][ T73] ip6_route_add+0x1c/0x140 [ 822.207451][ T73] inet6_rtm_newroute+0x104/0x110 [ 822.207451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.207451][ T73] netlink_rcv_skb+0x130/0x360 [ 822.207451][ T73] netlink_unicast+0x449/0x710 [ 822.207451][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.207451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.207451][ T73] ___sys_sendmsg+0xee/0x170 [ 822.207451][ T73] __sys_sendmsg+0xcd/0x170 [ 822.207451][ T73] do_syscall_64+0xc6/0x1e0 [ 822.207451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.207451][ T73] [ 822.209560][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.209560][ T73] dst_init+0x84/0x4a0 [ 822.209560][ T73] dst_alloc+0x97/0x150 [ 822.209560][ T73] ip6_dst_alloc+0x23/0x90 [ 822.209560][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 822.209560][ T73] ip6_pol_route+0x56f/0x840 [ 822.209560][ T73] fib6_rule_lookup+0x456/0x630 [ 822.209560][ T73] ip6_route_input+0x59c/0xa50 [ 822.209560][ T73] ipv6_rcv+0x397/0x810 [ 822.209560][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 822.209560][ T73] process_backlog+0x101/0x620 [ 822.209560][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 822.209560][ T73] net_rx_action+0x495/0xbe0 [ 822.209560][ T73] __do_softirq+0x1b5/0x7f6 [ 822.209560][ T73] [ 822.211388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.211388][ T73] netdev_get_by_index+0x5e/0x80 [ 822.211388][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.211388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.211388][ T73] ip6_route_add+0x1c/0x140 [ 822.211388][ T73] addrconf_prefix_route+0x2a6/0x430 [ 822.211388][ T73] inet6_addr_add+0x4f8/0xa40 [ 822.211388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.211388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.211388][ T73] netlink_rcv_skb+0x130/0x360 [ 822.211388][ T73] netlink_unicast+0x449/0x710 [ 822.211388][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.211388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.211388][ T73] ___sys_sendmsg+0xee/0x170 [ 822.211388][ T73] __sys_sendmsg+0xcd/0x170 [ 822.211388][ T73] do_syscall_64+0xc6/0x1e0 [ 822.211388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.211388][ T73] [ 822.213623][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.213623][ T73] netdev_get_by_index+0x5e/0x80 [ 822.213623][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.213623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.213623][ T73] addrconf_f6i_alloc+0x315/0x560 [ 822.213623][ T73] ipv6_add_addr+0x411/0x2000 [ 822.213623][ T73] inet6_addr_add+0x30e/0xa40 [ 822.213623][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.213623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.213623][ T73] netlink_rcv_skb+0x130/0x360 [ 822.213623][ T73] netlink_unicast+0x449/0x710 [ 822.213623][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.213623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.213623][ T73] ___sys_sendmsg+0xee/0x170 [ 822.213623][ T73] __sys_sendmsg+0xcd/0x170 [ 822.213623][ T73] do_syscall_64+0xc6/0x1e0 [ 822.213623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.213623][ T73] [ 822.215864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.215864][ T73] netdev_get_by_index+0x5e/0x80 [ 822.215864][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.215864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.215864][ T73] ip6_route_add+0x1c/0x140 [ 822.215864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 822.215864][ T73] addrconf_add_dev+0xe2/0x170 [ 822.215864][ T73] inet6_addr_add+0x12f/0xa40 [ 822.215864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.215864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.215864][ T73] netlink_rcv_skb+0x130/0x360 [ 822.215864][ T73] netlink_unicast+0x449/0x710 [ 822.215864][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.215864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.215864][ T73] ___sys_sendmsg+0xee/0x170 [ 822.215864][ T73] __sys_sendmsg+0xcd/0x170 [ 822.215864][ T73] do_syscall_64+0xc6/0x1e0 [ 822.215864][ T73] [ 822.218450][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.218450][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 822.218450][ T73] ipv6_find_idev+0x102/0x170 [ 822.218450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.218450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.218450][ T73] netlink_rcv_skb+0x130/0x360 [ 822.218450][ T73] netlink_unicast+0x449/0x710 [ 822.218450][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.218450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.218450][ T73] ___sys_sendmsg+0xee/0x170 [ 822.218450][ T73] __sys_sendmsg+0xcd/0x170 [ 822.218450][ T73] do_syscall_64+0xc6/0x1e0 [ 822.218450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.218450][ T73] [ 822.220171][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 822.220171][ T73] neigh_parms_alloc+0x1e5/0x510 [ 822.220171][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 822.220171][ T73] ipv6_find_idev+0x102/0x170 [ 822.220171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.220171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.220171][ T73] netlink_rcv_skb+0x130/0x360 [ 822.220171][ T73] netlink_unicast+0x449/0x710 [ 822.220171][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.220171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.220171][ T73] ___sys_sendmsg+0xee/0x170 [ 822.220171][ T73] __sys_sendmsg+0xcd/0x170 [ 822.220171][ T73] do_syscall_64+0xc6/0x1e0 [ 822.220171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.220171][ T73] [ 822.222082][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 822.222387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.222387][ T73] dst_init+0x84/0x4a0 [ 822.222387][ T73] dst_alloc+0x97/0x150 [ 822.222387][ T73] ip6_dst_alloc+0x23/0x90 [ 822.222387][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 822.222387][ T73] ip6_pol_route+0x56f/0x840 [ 822.222387][ T73] fib6_rule_lookup+0x456/0x630 [ 822.222387][ T73] ip6_route_input+0x59c/0xa50 [ 822.222387][ T73] ipv6_rcv+0x397/0x810 [ 822.222387][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 822.222387][ T73] process_backlog+0x101/0x620 [ 822.222387][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 822.222387][ T73] net_rx_action+0x495/0xbe0 [ 822.222387][ T73] __do_softirq+0x1b5/0x7f6 [ 822.222387][ T73] [ 822.224250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.224250][ T73] netdev_get_by_index+0x5e/0x80 [ 822.224250][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.224250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.224250][ T73] addrconf_f6i_alloc+0x265/0x560 [ 822.224250][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 822.224250][ T73] addrconf_join_anycast+0x1c0/0x220 [ 822.224250][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 822.224250][ T73] addrconf_dad_completed+0x12b/0xe20 [ 822.224250][ T73] addrconf_dad_begin+0x310/0x670 [ 822.224250][ T73] addrconf_dad_work+0x10b/0xab0 [ 822.224250][ T73] process_one_work+0x84d/0x18a0 [ 822.224250][ T73] worker_thread+0x587/0xd30 [ 822.224250][ T73] kthread+0x28a/0x350 [ 822.224250][ T73] ret_from_fork+0x31/0x70 [ 822.224250][ T73] ret_from_fork_asm+0x1a/0x30 [ 822.224250][ T73] [ 822.226381][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.226381][ T73] netdev_get_by_index+0x5e/0x80 [ 822.226381][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.226381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.226381][ T73] ip6_route_add+0x1c/0x140 [ 822.226381][ T73] addrconf_prefix_route+0x2a6/0x430 [ 822.226381][ T73] inet6_addr_add+0x4f8/0xa40 [ 822.226381][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.226381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.226381][ T73] netlink_rcv_skb+0x130/0x360 [ 822.226381][ T73] netlink_unicast+0x449/0x710 [ 822.226381][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.226381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.226381][ T73] ___sys_sendmsg+0xee/0x170 [ 822.226381][ T73] __sys_sendmsg+0xcd/0x170 [ 822.226381][ T73] do_syscall_64+0xc6/0x1e0 [ 822.226381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.226381][ T73] [ 822.228615][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.228615][ T73] netdev_get_by_index+0x5e/0x80 [ 822.228615][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.228615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.228615][ T73] addrconf_f6i_alloc+0x315/0x560 [ 822.228615][ T73] ipv6_add_addr+0x411/0x2000 [ 822.228615][ T73] inet6_addr_add+0x30e/0xa40 [ 822.228615][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.228615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.228615][ T73] netlink_rcv_skb+0x130/0x360 [ 822.228615][ T73] netlink_unicast+0x449/0x710 [ 822.228615][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.228615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.228615][ T73] ___sys_sendmsg+0xee/0x170 [ 822.228615][ T73] __sys_sendmsg+0xcd/0x170 [ 822.228615][ T73] do_syscall_64+0xc6/0x1e0 [ 822.228615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.228615][ T73] [ 822.230846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.230846][ T73] netdev_get_by_index+0x5e/0x80 [ 822.230846][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.230846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.230846][ T73] ip6_route_add+0x1c/0x140 [ 822.230846][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 822.230846][ T73] addrconf_add_dev+0xe2/0x170 [ 822.230846][ T73] inet6_addr_add+0x12f/0xa40 [ 822.230846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.230846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.230846][ T73] netlink_rcv_skb+0x130/0x360 [ 822.230846][ T73] netlink_unicast+0x449/0x710 [ 822.230846][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.230846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.230846][ T73] ___sys_sendmsg+0xee/0x170 [ 822.230846][ T73] __sys_sendmsg+0xcd/0x170 [ 822.230846][ T73] do_syscall_64+0xc6/0x1e0 [ 822.230846][ T73] [ 822.233037][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.233037][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 822.233037][ T73] ipv6_find_idev+0x102/0x170 [ 822.233037][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.233037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.233037][ T73] netlink_rcv_skb+0x130/0x360 [ 822.233037][ T73] netlink_unicast+0x449/0x710 [ 822.233037][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.233037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.233037][ T73] ___sys_sendmsg+0xee/0x170 [ 822.233037][ T73] __sys_sendmsg+0xcd/0x170 [ 822.233037][ T73] do_syscall_64+0xc6/0x1e0 [ 822.233037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.233037][ T73] [ 822.234744][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 822.234744][ T73] neigh_parms_alloc+0x1e5/0x510 [ 822.234744][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 822.234744][ T73] ipv6_find_idev+0x102/0x170 [ 822.234744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.234744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.234744][ T73] netlink_rcv_skb+0x130/0x360 [ 822.234744][ T73] netlink_unicast+0x449/0x710 [ 822.234744][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.234744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.234744][ T73] ___sys_sendmsg+0xee/0x170 [ 822.234744][ T73] __sys_sendmsg+0xcd/0x170 [ 822.234744][ T73] do_syscall_64+0xc6/0x1e0 [ 822.234744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.234744][ T73] [ 822.236795][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 822.237084][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.237084][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 822.237084][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 822.237084][ T73] fib6_nh_init+0xa22/0x1580 [ 822.237084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.237084][ T73] ip6_route_add+0x1c/0x140 [ 822.237084][ T73] inet6_rtm_newroute+0x104/0x110 [ 822.237084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.237084][ T73] netlink_rcv_skb+0x130/0x360 [ 822.237084][ T73] netlink_unicast+0x449/0x710 [ 822.237084][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.237084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.237084][ T73] ___sys_sendmsg+0xee/0x170 [ 822.237084][ T73] __sys_sendmsg+0xcd/0x170 [ 822.237084][ T73] do_syscall_64+0xc6/0x1e0 [ 822.237084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.237084][ T73] [ 822.239423][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.239423][ T73] dst_init+0x84/0x4a0 [ 822.239423][ T73] dst_alloc+0x97/0x150 [ 822.239423][ T73] ip6_dst_alloc+0x23/0x90 [ 822.239423][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 822.239423][ T73] ip6_pol_route+0x56f/0x840 [ 822.239423][ T73] fib6_rule_lookup+0x456/0x630 [ 822.239423][ T73] ip6_route_input+0x59c/0xa50 [ 822.239423][ T73] ipv6_rcv+0x397/0x810 [ 822.239423][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 822.239423][ T73] process_backlog+0x101/0x620 [ 822.239423][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 822.239423][ T73] net_rx_action+0x495/0xbe0 [ 822.239423][ T73] __do_softirq+0x1b5/0x7f6 [ 822.239423][ T73] [ 822.241439][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.241439][ T73] netdev_get_by_index+0x5e/0x80 [ 822.241439][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.241439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.241439][ T73] ip6_route_add+0x1c/0x140 [ 822.241439][ T73] addrconf_prefix_route+0x2a6/0x430 [ 822.241439][ T73] inet6_addr_add+0x4f8/0xa40 [ 822.241439][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.241439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.241439][ T73] netlink_rcv_skb+0x130/0x360 [ 822.241439][ T73] netlink_unicast+0x449/0x710 [ 822.241439][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.241439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.241439][ T73] ___sys_sendmsg+0xee/0x170 [ 822.241439][ T73] __sys_sendmsg+0xcd/0x170 [ 822.241439][ T73] do_syscall_64+0xc6/0x1e0 [ 822.241439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.241439][ T73] [ 822.243992][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.243992][ T73] netdev_get_by_index+0x5e/0x80 [ 822.243992][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.243992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.243992][ T73] addrconf_f6i_alloc+0x315/0x560 [ 822.243992][ T73] ipv6_add_addr+0x411/0x2000 [ 822.243992][ T73] inet6_addr_add+0x30e/0xa40 [ 822.243992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.243992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.243992][ T73] netlink_rcv_skb+0x130/0x360 [ 822.243992][ T73] netlink_unicast+0x449/0x710 [ 822.243992][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.243992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.243992][ T73] ___sys_sendmsg+0xee/0x170 [ 822.243992][ T73] __sys_sendmsg+0xcd/0x170 [ 822.243992][ T73] do_syscall_64+0xc6/0x1e0 [ 822.243992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.243992][ T73] [ 822.246460][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.246460][ T73] netdev_get_by_index+0x5e/0x80 [ 822.246460][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.246460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.246460][ T73] ip6_route_add+0x1c/0x140 [ 822.246460][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 822.246460][ T73] addrconf_add_dev+0xe2/0x170 [ 822.246460][ T73] inet6_addr_add+0x12f/0xa40 [ 822.246460][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.246460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.246460][ T73] netlink_rcv_skb+0x130/0x360 [ 822.246460][ T73] netlink_unicast+0x449/0x710 [ 822.246460][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.246460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.246460][ T73] ___sys_sendmsg+0xee/0x170 [ 822.246460][ T73] __sys_sendmsg+0xcd/0x170 [ 822.246460][ T73] do_syscall_64+0xc6/0x1e0 [ 822.246460][ T73] [ 822.248887][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.248887][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 822.248887][ T73] ipv6_find_idev+0x102/0x170 [ 822.248887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.248887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.248887][ T73] netlink_rcv_skb+0x130/0x360 [ 822.248887][ T73] netlink_unicast+0x449/0x710 [ 822.248887][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.248887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.248887][ T73] ___sys_sendmsg+0xee/0x170 [ 822.248887][ T73] __sys_sendmsg+0xcd/0x170 [ 822.248887][ T73] do_syscall_64+0xc6/0x1e0 [ 822.248887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.248887][ T73] [ 822.250714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 822.250714][ T73] neigh_parms_alloc+0x1e5/0x510 [ 822.250714][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 822.250714][ T73] ipv6_find_idev+0x102/0x170 [ 822.250714][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.250714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.250714][ T73] netlink_rcv_skb+0x130/0x360 [ 822.250714][ T73] netlink_unicast+0x449/0x710 [ 822.250714][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.250714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.250714][ T73] ___sys_sendmsg+0xee/0x170 [ 822.250714][ T73] __sys_sendmsg+0xcd/0x170 [ 822.250714][ T73] do_syscall_64+0xc6/0x1e0 [ 822.250714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.250714][ T73] [ 822.252893][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 822.253218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 822.253218][ T73] netdev_get_by_index+0x5e/0x80 [ 822.253218][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.253218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.253218][ T73] addrconf_f6i_alloc+0x265/0x560 [ 822.253218][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 822.253218][ T73] addrconf_join_anycast+0x1c0/0x220 [ 822.253218][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 822.253218][ T73] addrconf_dad_completed+0x12b/0xe20 [ 822.253218][ T73] addrconf_dad_begin+0x310/0x670 [ 822.253218][ T73] addrconf_dad_work+0x10b/0xab0 [ 822.253218][ T73] process_one_work+0x84d/0x18a0 [ 822.253218][ T73] worker_thread+0x587/0xd30 [ 822.253218][ T73] kthread+0x28a/0x350 [ 822.253218][ T73] ret_from_fork+0x31/0x70 [ 822.253218][ T73] ret_from_fork_asm+0x1a/0x30 [ 822.253218][ T73] [ 822.255583][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 822.255583][ T73] netdev_get_by_index+0x5e/0x80 [ 822.255583][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.255583][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.255583][ T73] ip6_route_add+0x1c/0x140 [ 822.255583][ T73] addrconf_prefix_route+0x2a6/0x430 [ 822.255583][ T73] inet6_addr_add+0x4f8/0xa40 [ 822.255583][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.255583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.255583][ T73] netlink_rcv_skb+0x130/0x360 [ 822.255583][ T73] netlink_unicast+0x449/0x710 [ 822.255583][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.255583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.255583][ T73] ___sys_sendmsg+0xee/0x170 [ 822.255583][ T73] __sys_sendmsg+0xcd/0x170 [ 822.255583][ T73] do_syscall_64+0xc6/0x1e0 [ 822.255583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.255583][ T73] [ 822.258050][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 822.258050][ T73] netdev_get_by_index+0x5e/0x80 [ 822.258050][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.258050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.258050][ T73] addrconf_f6i_alloc+0x315/0x560 [ 822.258050][ T73] ipv6_add_addr+0x411/0x2000 [ 822.258050][ T73] inet6_addr_add+0x30e/0xa40 [ 822.258050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.258050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.258050][ T73] netlink_rcv_skb+0x130/0x360 [ 822.258050][ T73] netlink_unicast+0x449/0x710 [ 822.258050][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.258050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.258050][ T73] ___sys_sendmsg+0xee/0x170 [ 822.258050][ T73] __sys_sendmsg+0xcd/0x170 [ 822.258050][ T73] do_syscall_64+0xc6/0x1e0 [ 822.258050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.258050][ T73] [ 822.260466][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 822.260466][ T73] netdev_get_by_index+0x5e/0x80 [ 822.260466][ T73] fib6_nh_init+0x3d8/0x1580 [ 822.260466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 822.260466][ T73] ip6_route_add+0x1c/0x140 [ 822.260466][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 822.260466][ T73] addrconf_add_dev+0xe2/0x170 [ 822.260466][ T73] inet6_addr_add+0x12f/0xa40 [ 822.260466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 822.260466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.260466][ T73] netlink_rcv_skb+0x130/0x360 [ 822.260466][ T73] netlink_unicast+0x449/0x710 [ 822.260466][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.260466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.260466][ T73] ___sys_sendmsg+0xee/0x170 [ 822.260466][ T73] __sys_sendmsg+0xcd/0x170 [ 822.260466][ T73] do_syscall_64+0xc6/0x1e0 [ 822.260466][ T73] [ 822.262952][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 822.262952][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 822.262952][ T73] ipv6_find_idev+0x102/0x170 [ 822.262952][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.262952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.262952][ T73] netlink_rcv_skb+0x130/0x360 [ 822.262952][ T73] netlink_unicast+0x449/0x710 [ 822.262952][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.262952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.262952][ T73] ___sys_sendmsg+0xee/0x170 [ 822.262952][ T73] __sys_sendmsg+0xcd/0x170 [ 822.262952][ T73] do_syscall_64+0xc6/0x1e0 [ 822.262952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.262952][ T73] [ 822.264848][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 822.264848][ T73] neigh_parms_alloc+0x1e5/0x510 [ 822.264848][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 822.264848][ T73] ipv6_find_idev+0x102/0x170 [ 822.264848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.264848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.264848][ T73] netlink_rcv_skb+0x130/0x360 [ 822.264848][ T73] netlink_unicast+0x449/0x710 [ 822.264848][ T73] netlink_sendmsg+0x723/0xbe0 [ 822.264848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 822.264848][ T73] ___sys_sendmsg+0xee/0x170 [ 822.264848][ T73] __sys_sendmsg+0xcd/0x170 [ 822.264848][ T73] do_syscall_64+0xc6/0x1e0 [ 822.264848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.264848][ T73] [ 832.502927][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 832.503452][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.503452][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 832.503452][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 832.503452][ T73] fib6_nh_init+0xa22/0x1580 [ 832.503452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.503452][ T73] ip6_route_add+0x1c/0x140 [ 832.503452][ T73] inet6_rtm_newroute+0x104/0x110 [ 832.503452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.503452][ T73] netlink_rcv_skb+0x130/0x360 [ 832.503452][ T73] netlink_unicast+0x449/0x710 [ 832.503452][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.503452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.503452][ T73] ___sys_sendmsg+0xee/0x170 [ 832.503452][ T73] __sys_sendmsg+0xcd/0x170 [ 832.503452][ T73] do_syscall_64+0xc6/0x1e0 [ 832.503452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.503452][ T73] [ 832.505553][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.505553][ T73] dst_init+0x84/0x4a0 [ 832.505553][ T73] dst_alloc+0x97/0x150 [ 832.505553][ T73] ip6_dst_alloc+0x23/0x90 [ 832.505553][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 832.505553][ T73] ip6_pol_route+0x56f/0x840 [ 832.505553][ T73] fib6_rule_lookup+0x456/0x630 [ 832.505553][ T73] ip6_route_input+0x59c/0xa50 [ 832.505553][ T73] ipv6_rcv+0x397/0x810 [ 832.505553][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 832.505553][ T73] process_backlog+0x101/0x620 [ 832.505553][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 832.505553][ T73] net_rx_action+0x495/0xbe0 [ 832.505553][ T73] __do_softirq+0x1b5/0x7f6 [ 832.505553][ T73] [ 832.507413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.507413][ T73] netdev_get_by_index+0x5e/0x80 [ 832.507413][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.507413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.507413][ T73] ip6_route_add+0x1c/0x140 [ 832.507413][ T73] addrconf_prefix_route+0x2a6/0x430 [ 832.507413][ T73] inet6_addr_add+0x4f8/0xa40 [ 832.507413][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.507413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.507413][ T73] netlink_rcv_skb+0x130/0x360 [ 832.507413][ T73] netlink_unicast+0x449/0x710 [ 832.507413][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.507413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.507413][ T73] ___sys_sendmsg+0xee/0x170 [ 832.507413][ T73] __sys_sendmsg+0xcd/0x170 [ 832.507413][ T73] do_syscall_64+0xc6/0x1e0 [ 832.507413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.507413][ T73] [ 832.509539][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.509539][ T73] netdev_get_by_index+0x5e/0x80 [ 832.509539][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.509539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.509539][ T73] addrconf_f6i_alloc+0x315/0x560 [ 832.509539][ T73] ipv6_add_addr+0x411/0x2000 [ 832.509539][ T73] inet6_addr_add+0x30e/0xa40 [ 832.509539][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.509539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.509539][ T73] netlink_rcv_skb+0x130/0x360 [ 832.509539][ T73] netlink_unicast+0x449/0x710 [ 832.509539][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.509539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.509539][ T73] ___sys_sendmsg+0xee/0x170 [ 832.509539][ T73] __sys_sendmsg+0xcd/0x170 [ 832.509539][ T73] do_syscall_64+0xc6/0x1e0 [ 832.509539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.509539][ T73] [ 832.511639][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.511639][ T73] netdev_get_by_index+0x5e/0x80 [ 832.511639][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.511639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.511639][ T73] ip6_route_add+0x1c/0x140 [ 832.511639][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 832.511639][ T73] addrconf_add_dev+0xe2/0x170 [ 832.511639][ T73] inet6_addr_add+0x12f/0xa40 [ 832.511639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.511639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.511639][ T73] netlink_rcv_skb+0x130/0x360 [ 832.511639][ T73] netlink_unicast+0x449/0x710 [ 832.511639][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.511639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.511639][ T73] ___sys_sendmsg+0xee/0x170 [ 832.511639][ T73] __sys_sendmsg+0xcd/0x170 [ 832.511639][ T73] do_syscall_64+0xc6/0x1e0 [ 832.511639][ T73] [ 832.513713][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.513713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 832.513713][ T73] ipv6_find_idev+0x102/0x170 [ 832.513713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.513713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.513713][ T73] netlink_rcv_skb+0x130/0x360 [ 832.513713][ T73] netlink_unicast+0x449/0x710 [ 832.513713][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.513713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.513713][ T73] ___sys_sendmsg+0xee/0x170 [ 832.513713][ T73] __sys_sendmsg+0xcd/0x170 [ 832.513713][ T73] do_syscall_64+0xc6/0x1e0 [ 832.513713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.513713][ T73] [ 832.515343][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 832.515343][ T73] neigh_parms_alloc+0x1e5/0x510 [ 832.515343][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 832.515343][ T73] ipv6_find_idev+0x102/0x170 [ 832.515343][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.515343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.515343][ T73] netlink_rcv_skb+0x130/0x360 [ 832.515343][ T73] netlink_unicast+0x449/0x710 [ 832.515343][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.515343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.515343][ T73] ___sys_sendmsg+0xee/0x170 [ 832.515343][ T73] __sys_sendmsg+0xcd/0x170 [ 832.515343][ T73] do_syscall_64+0xc6/0x1e0 [ 832.515343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.515343][ T73] [ 832.517133][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 832.517420][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.517420][ T73] dst_init+0x84/0x4a0 [ 832.517420][ T73] dst_alloc+0x97/0x150 [ 832.517420][ T73] ip6_dst_alloc+0x23/0x90 [ 832.517420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 832.517420][ T73] ip6_pol_route+0x56f/0x840 [ 832.517420][ T73] fib6_rule_lookup+0x456/0x630 [ 832.517420][ T73] ip6_route_input+0x59c/0xa50 [ 832.517420][ T73] ipv6_rcv+0x397/0x810 [ 832.517420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 832.517420][ T73] process_backlog+0x101/0x620 [ 832.517420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 832.517420][ T73] net_rx_action+0x495/0xbe0 [ 832.517420][ T73] __do_softirq+0x1b5/0x7f6 [ 832.517420][ T73] [ 832.519155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.519155][ T73] netdev_get_by_index+0x5e/0x80 [ 832.519155][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.519155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.519155][ T73] addrconf_f6i_alloc+0x265/0x560 [ 832.519155][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 832.519155][ T73] addrconf_join_anycast+0x1c0/0x220 [ 832.519155][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 832.519155][ T73] addrconf_dad_completed+0x12b/0xe20 [ 832.519155][ T73] addrconf_dad_begin+0x310/0x670 [ 832.519155][ T73] addrconf_dad_work+0x10b/0xab0 [ 832.519155][ T73] process_one_work+0x84d/0x18a0 [ 832.519155][ T73] worker_thread+0x587/0xd30 [ 832.519155][ T73] kthread+0x28a/0x350 [ 832.519155][ T73] ret_from_fork+0x31/0x70 [ 832.519155][ T73] ret_from_fork_asm+0x1a/0x30 [ 832.519155][ T73] [ 832.521166][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.521166][ T73] netdev_get_by_index+0x5e/0x80 [ 832.521166][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.521166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.521166][ T73] ip6_route_add+0x1c/0x140 [ 832.521166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 832.521166][ T73] inet6_addr_add+0x4f8/0xa40 [ 832.521166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.521166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.521166][ T73] netlink_rcv_skb+0x130/0x360 [ 832.521166][ T73] netlink_unicast+0x449/0x710 [ 832.521166][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.521166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.521166][ T73] ___sys_sendmsg+0xee/0x170 [ 832.521166][ T73] __sys_sendmsg+0xcd/0x170 [ 832.521166][ T73] do_syscall_64+0xc6/0x1e0 [ 832.521166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.521166][ T73] [ 832.523283][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.523283][ T73] netdev_get_by_index+0x5e/0x80 [ 832.523283][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.523283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.523283][ T73] addrconf_f6i_alloc+0x315/0x560 [ 832.523283][ T73] ipv6_add_addr+0x411/0x2000 [ 832.523283][ T73] inet6_addr_add+0x30e/0xa40 [ 832.523283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.523283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.523283][ T73] netlink_rcv_skb+0x130/0x360 [ 832.523283][ T73] netlink_unicast+0x449/0x710 [ 832.523283][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.523283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.523283][ T73] ___sys_sendmsg+0xee/0x170 [ 832.523283][ T73] __sys_sendmsg+0xcd/0x170 [ 832.523283][ T73] do_syscall_64+0xc6/0x1e0 [ 832.523283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.523283][ T73] [ 832.525394][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.525394][ T73] netdev_get_by_index+0x5e/0x80 [ 832.525394][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.525394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.525394][ T73] ip6_route_add+0x1c/0x140 [ 832.525394][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 832.525394][ T73] addrconf_add_dev+0xe2/0x170 [ 832.525394][ T73] inet6_addr_add+0x12f/0xa40 [ 832.525394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.525394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.525394][ T73] netlink_rcv_skb+0x130/0x360 [ 832.525394][ T73] netlink_unicast+0x449/0x710 [ 832.525394][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.525394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.525394][ T73] ___sys_sendmsg+0xee/0x170 [ 832.525394][ T73] __sys_sendmsg+0xcd/0x170 [ 832.525394][ T73] do_syscall_64+0xc6/0x1e0 [ 832.525394][ T73] [ 832.527475][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.527475][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 832.527475][ T73] ipv6_find_idev+0x102/0x170 [ 832.527475][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.527475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.527475][ T73] netlink_rcv_skb+0x130/0x360 [ 832.527475][ T73] netlink_unicast+0x449/0x710 [ 832.527475][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.527475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.527475][ T73] ___sys_sendmsg+0xee/0x170 [ 832.527475][ T73] __sys_sendmsg+0xcd/0x170 [ 832.527475][ T73] do_syscall_64+0xc6/0x1e0 [ 832.527475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.527475][ T73] [ 832.529095][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 832.529095][ T73] neigh_parms_alloc+0x1e5/0x510 [ 832.529095][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 832.529095][ T73] ipv6_find_idev+0x102/0x170 [ 832.529095][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.529095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.529095][ T73] netlink_rcv_skb+0x130/0x360 [ 832.529095][ T73] netlink_unicast+0x449/0x710 [ 832.529095][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.529095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.529095][ T73] ___sys_sendmsg+0xee/0x170 [ 832.529095][ T73] __sys_sendmsg+0xcd/0x170 [ 832.529095][ T73] do_syscall_64+0xc6/0x1e0 [ 832.529095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.529095][ T73] [ 832.531007][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 832.531286][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.531286][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 832.531286][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 832.531286][ T73] fib6_nh_init+0xa22/0x1580 [ 832.531286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.531286][ T73] ip6_route_add+0x1c/0x140 [ 832.531286][ T73] inet6_rtm_newroute+0x104/0x110 [ 832.531286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.531286][ T73] netlink_rcv_skb+0x130/0x360 [ 832.531286][ T73] netlink_unicast+0x449/0x710 [ 832.531286][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.531286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.531286][ T73] ___sys_sendmsg+0xee/0x170 [ 832.531286][ T73] __sys_sendmsg+0xcd/0x170 [ 832.531286][ T73] do_syscall_64+0xc6/0x1e0 [ 832.531286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.531286][ T73] [ 832.533500][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.533500][ T73] dst_init+0x84/0x4a0 [ 832.533500][ T73] dst_alloc+0x97/0x150 [ 832.533500][ T73] ip6_dst_alloc+0x23/0x90 [ 832.533500][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 832.533500][ T73] ip6_pol_route+0x56f/0x840 [ 832.533500][ T73] fib6_rule_lookup+0x456/0x630 [ 832.533500][ T73] ip6_route_input+0x59c/0xa50 [ 832.533500][ T73] ipv6_rcv+0x397/0x810 [ 832.533500][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 832.533500][ T73] process_backlog+0x101/0x620 [ 832.533500][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 832.533500][ T73] net_rx_action+0x495/0xbe0 [ 832.533500][ T73] __do_softirq+0x1b5/0x7f6 [ 832.533500][ T73] [ 832.535416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.535416][ T73] netdev_get_by_index+0x5e/0x80 [ 832.535416][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.535416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.535416][ T73] ip6_route_add+0x1c/0x140 [ 832.535416][ T73] addrconf_prefix_route+0x2a6/0x430 [ 832.535416][ T73] inet6_addr_add+0x4f8/0xa40 [ 832.535416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.535416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.535416][ T73] netlink_rcv_skb+0x130/0x360 [ 832.535416][ T73] netlink_unicast+0x449/0x710 [ 832.535416][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.535416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.535416][ T73] ___sys_sendmsg+0xee/0x170 [ 832.535416][ T73] __sys_sendmsg+0xcd/0x170 [ 832.535416][ T73] do_syscall_64+0xc6/0x1e0 [ 832.535416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.535416][ T73] [ 832.537759][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.537759][ T73] netdev_get_by_index+0x5e/0x80 [ 832.537759][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.537759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.537759][ T73] addrconf_f6i_alloc+0x315/0x560 [ 832.537759][ T73] ipv6_add_addr+0x411/0x2000 [ 832.537759][ T73] inet6_addr_add+0x30e/0xa40 [ 832.537759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.537759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.537759][ T73] netlink_rcv_skb+0x130/0x360 [ 832.537759][ T73] netlink_unicast+0x449/0x710 [ 832.537759][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.537759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.537759][ T73] ___sys_sendmsg+0xee/0x170 [ 832.537759][ T73] __sys_sendmsg+0xcd/0x170 [ 832.537759][ T73] do_syscall_64+0xc6/0x1e0 [ 832.537759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.537759][ T73] [ 832.540211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.540211][ T73] netdev_get_by_index+0x5e/0x80 [ 832.540211][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.540211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.540211][ T73] ip6_route_add+0x1c/0x140 [ 832.540211][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 832.540211][ T73] addrconf_add_dev+0xe2/0x170 [ 832.540211][ T73] inet6_addr_add+0x12f/0xa40 [ 832.540211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.540211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.540211][ T73] netlink_rcv_skb+0x130/0x360 [ 832.540211][ T73] netlink_unicast+0x449/0x710 [ 832.540211][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.540211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.540211][ T73] ___sys_sendmsg+0xee/0x170 [ 832.540211][ T73] __sys_sendmsg+0xcd/0x170 [ 832.540211][ T73] do_syscall_64+0xc6/0x1e0 [ 832.540211][ T73] [ 832.542517][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.542517][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 832.542517][ T73] ipv6_find_idev+0x102/0x170 [ 832.542517][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.542517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.542517][ T73] netlink_rcv_skb+0x130/0x360 [ 832.542517][ T73] netlink_unicast+0x449/0x710 [ 832.542517][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.542517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.542517][ T73] ___sys_sendmsg+0xee/0x170 [ 832.542517][ T73] __sys_sendmsg+0xcd/0x170 [ 832.542517][ T73] do_syscall_64+0xc6/0x1e0 [ 832.542517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.542517][ T73] [ 832.544262][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 832.544262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 832.544262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 832.544262][ T73] ipv6_find_idev+0x102/0x170 [ 832.544262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.544262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.544262][ T73] netlink_rcv_skb+0x130/0x360 [ 832.544262][ T73] netlink_unicast+0x449/0x710 [ 832.544262][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.544262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.544262][ T73] ___sys_sendmsg+0xee/0x170 [ 832.544262][ T73] __sys_sendmsg+0xcd/0x170 [ 832.544262][ T73] do_syscall_64+0xc6/0x1e0 [ 832.544262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.544262][ T73] [ 832.546283][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 832.546585][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 832.546585][ T73] netdev_get_by_index+0x5e/0x80 [ 832.546585][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.546585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.546585][ T73] addrconf_f6i_alloc+0x265/0x560 [ 832.546585][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 832.546585][ T73] addrconf_join_anycast+0x1c0/0x220 [ 832.546585][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 832.546585][ T73] addrconf_dad_completed+0x12b/0xe20 [ 832.546585][ T73] addrconf_dad_begin+0x310/0x670 [ 832.546585][ T73] addrconf_dad_work+0x10b/0xab0 [ 832.546585][ T73] process_one_work+0x84d/0x18a0 [ 832.546585][ T73] worker_thread+0x587/0xd30 [ 832.546585][ T73] kthread+0x28a/0x350 [ 832.546585][ T73] ret_from_fork+0x31/0x70 [ 832.546585][ T73] ret_from_fork_asm+0x1a/0x30 [ 832.546585][ T73] [ 832.548838][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 832.548838][ T73] netdev_get_by_index+0x5e/0x80 [ 832.548838][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.548838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.548838][ T73] ip6_route_add+0x1c/0x140 [ 832.548838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 832.548838][ T73] inet6_addr_add+0x4f8/0xa40 [ 832.548838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.548838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.548838][ T73] netlink_rcv_skb+0x130/0x360 [ 832.548838][ T73] netlink_unicast+0x449/0x710 [ 832.548838][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.548838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.548838][ T73] ___sys_sendmsg+0xee/0x170 [ 832.548838][ T73] __sys_sendmsg+0xcd/0x170 [ 832.548838][ T73] do_syscall_64+0xc6/0x1e0 [ 832.548838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.548838][ T73] [ 832.551237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 832.551237][ T73] netdev_get_by_index+0x5e/0x80 [ 832.551237][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.551237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.551237][ T73] addrconf_f6i_alloc+0x315/0x560 [ 832.551237][ T73] ipv6_add_addr+0x411/0x2000 [ 832.551237][ T73] inet6_addr_add+0x30e/0xa40 [ 832.551237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.551237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.551237][ T73] netlink_rcv_skb+0x130/0x360 [ 832.551237][ T73] netlink_unicast+0x449/0x710 [ 832.551237][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.551237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.551237][ T73] ___sys_sendmsg+0xee/0x170 [ 832.551237][ T73] __sys_sendmsg+0xcd/0x170 [ 832.551237][ T73] do_syscall_64+0xc6/0x1e0 [ 832.551237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.551237][ T73] [ 832.553530][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 832.553530][ T73] netdev_get_by_index+0x5e/0x80 [ 832.553530][ T73] fib6_nh_init+0x3d8/0x1580 [ 832.553530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 832.553530][ T73] ip6_route_add+0x1c/0x140 [ 832.553530][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 832.553530][ T73] addrconf_add_dev+0xe2/0x170 [ 832.553530][ T73] inet6_addr_add+0x12f/0xa40 [ 832.553530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 832.553530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.553530][ T73] netlink_rcv_skb+0x130/0x360 [ 832.553530][ T73] netlink_unicast+0x449/0x710 [ 832.553530][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.553530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.553530][ T73] ___sys_sendmsg+0xee/0x170 [ 832.553530][ T73] __sys_sendmsg+0xcd/0x170 [ 832.553530][ T73] do_syscall_64+0xc6/0x1e0 [ 832.553530][ T73] [ 832.555921][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 832.555921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 832.555921][ T73] ipv6_find_idev+0x102/0x170 [ 832.555921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.555921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.555921][ T73] netlink_rcv_skb+0x130/0x360 [ 832.555921][ T73] netlink_unicast+0x449/0x710 [ 832.555921][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.555921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.555921][ T73] ___sys_sendmsg+0xee/0x170 [ 832.555921][ T73] __sys_sendmsg+0xcd/0x170 [ 832.555921][ T73] do_syscall_64+0xc6/0x1e0 [ 832.555921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.555921][ T73] [ 832.557779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 832.557779][ T73] neigh_parms_alloc+0x1e5/0x510 [ 832.557779][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 832.557779][ T73] ipv6_find_idev+0x102/0x170 [ 832.557779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 832.557779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 832.557779][ T73] netlink_rcv_skb+0x130/0x360 [ 832.557779][ T73] netlink_unicast+0x449/0x710 [ 832.557779][ T73] netlink_sendmsg+0x723/0xbe0 [ 832.557779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 832.557779][ T73] ___sys_sendmsg+0xee/0x170 [ 832.557779][ T73] __sys_sendmsg+0xcd/0x170 [ 832.557779][ T73] do_syscall_64+0xc6/0x1e0 [ 832.557779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 832.557779][ T73] [ 842.654933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 842.655388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.655388][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 842.655388][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 842.655388][ T73] fib6_nh_init+0xa22/0x1580 [ 842.655388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.655388][ T73] ip6_route_add+0x1c/0x140 [ 842.655388][ T73] inet6_rtm_newroute+0x104/0x110 [ 842.655388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.655388][ T73] netlink_rcv_skb+0x130/0x360 [ 842.655388][ T73] netlink_unicast+0x449/0x710 [ 842.655388][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.655388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.655388][ T73] ___sys_sendmsg+0xee/0x170 [ 842.655388][ T73] __sys_sendmsg+0xcd/0x170 [ 842.655388][ T73] do_syscall_64+0xc6/0x1e0 [ 842.655388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.655388][ T73] [ 842.657466][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.657466][ T73] dst_init+0x84/0x4a0 [ 842.657466][ T73] dst_alloc+0x97/0x150 [ 842.657466][ T73] ip6_dst_alloc+0x23/0x90 [ 842.657466][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 842.657466][ T73] ip6_pol_route+0x56f/0x840 [ 842.657466][ T73] fib6_rule_lookup+0x456/0x630 [ 842.657466][ T73] ip6_route_input+0x59c/0xa50 [ 842.657466][ T73] ipv6_rcv+0x397/0x810 [ 842.657466][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 842.657466][ T73] process_backlog+0x101/0x620 [ 842.657466][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 842.657466][ T73] net_rx_action+0x495/0xbe0 [ 842.657466][ T73] __do_softirq+0x1b5/0x7f6 [ 842.657466][ T73] [ 842.659137][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.659137][ T73] netdev_get_by_index+0x5e/0x80 [ 842.659137][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.659137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.659137][ T73] ip6_route_add+0x1c/0x140 [ 842.659137][ T73] addrconf_prefix_route+0x2a6/0x430 [ 842.659137][ T73] inet6_addr_add+0x4f8/0xa40 [ 842.659137][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.659137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.659137][ T73] netlink_rcv_skb+0x130/0x360 [ 842.659137][ T73] netlink_unicast+0x449/0x710 [ 842.659137][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.659137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.659137][ T73] ___sys_sendmsg+0xee/0x170 [ 842.659137][ T73] __sys_sendmsg+0xcd/0x170 [ 842.659137][ T73] do_syscall_64+0xc6/0x1e0 [ 842.659137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.659137][ T73] [ 842.661135][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.661135][ T73] netdev_get_by_index+0x5e/0x80 [ 842.661135][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.661135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.661135][ T73] addrconf_f6i_alloc+0x315/0x560 [ 842.661135][ T73] ipv6_add_addr+0x411/0x2000 [ 842.661135][ T73] inet6_addr_add+0x30e/0xa40 [ 842.661135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.661135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.661135][ T73] netlink_rcv_skb+0x130/0x360 [ 842.661135][ T73] netlink_unicast+0x449/0x710 [ 842.661135][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.661135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.661135][ T73] ___sys_sendmsg+0xee/0x170 [ 842.661135][ T73] __sys_sendmsg+0xcd/0x170 [ 842.661135][ T73] do_syscall_64+0xc6/0x1e0 [ 842.661135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.661135][ T73] [ 842.663137][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.663137][ T73] netdev_get_by_index+0x5e/0x80 [ 842.663137][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.663137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.663137][ T73] ip6_route_add+0x1c/0x140 [ 842.663137][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 842.663137][ T73] addrconf_add_dev+0xe2/0x170 [ 842.663137][ T73] inet6_addr_add+0x12f/0xa40 [ 842.663137][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.663137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.663137][ T73] netlink_rcv_skb+0x130/0x360 [ 842.663137][ T73] netlink_unicast+0x449/0x710 [ 842.663137][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.663137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.663137][ T73] ___sys_sendmsg+0xee/0x170 [ 842.663137][ T73] __sys_sendmsg+0xcd/0x170 [ 842.663137][ T73] do_syscall_64+0xc6/0x1e0 [ 842.663137][ T73] [ 842.665101][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.665101][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 842.665101][ T73] ipv6_find_idev+0x102/0x170 [ 842.665101][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.665101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.665101][ T73] netlink_rcv_skb+0x130/0x360 [ 842.665101][ T73] netlink_unicast+0x449/0x710 [ 842.665101][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.665101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.665101][ T73] ___sys_sendmsg+0xee/0x170 [ 842.665101][ T73] __sys_sendmsg+0xcd/0x170 [ 842.665101][ T73] do_syscall_64+0xc6/0x1e0 [ 842.665101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.665101][ T73] [ 842.666649][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 842.666649][ T73] neigh_parms_alloc+0x1e5/0x510 [ 842.666649][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 842.666649][ T73] ipv6_find_idev+0x102/0x170 [ 842.666649][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.666649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.666649][ T73] netlink_rcv_skb+0x130/0x360 [ 842.666649][ T73] netlink_unicast+0x449/0x710 [ 842.666649][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.666649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.666649][ T73] ___sys_sendmsg+0xee/0x170 [ 842.666649][ T73] __sys_sendmsg+0xcd/0x170 [ 842.666649][ T73] do_syscall_64+0xc6/0x1e0 [ 842.666649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.666649][ T73] [ 842.668341][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 842.668857][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.668857][ T73] dst_init+0x84/0x4a0 [ 842.668857][ T73] dst_alloc+0x97/0x150 [ 842.668857][ T73] ip6_dst_alloc+0x23/0x90 [ 842.668857][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 842.668857][ T73] ip6_pol_route+0x56f/0x840 [ 842.668857][ T73] fib6_rule_lookup+0x456/0x630 [ 842.668857][ T73] ip6_route_input+0x59c/0xa50 [ 842.668857][ T73] ipv6_rcv+0x397/0x810 [ 842.668857][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 842.668857][ T73] process_backlog+0x101/0x620 [ 842.668857][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 842.668857][ T73] net_rx_action+0x495/0xbe0 [ 842.668857][ T73] __do_softirq+0x1b5/0x7f6 [ 842.668857][ T73] [ 842.670505][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.670505][ T73] netdev_get_by_index+0x5e/0x80 [ 842.670505][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.670505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.670505][ T73] addrconf_f6i_alloc+0x265/0x560 [ 842.670505][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 842.670505][ T73] addrconf_join_anycast+0x1c0/0x220 [ 842.670505][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 842.670505][ T73] addrconf_dad_completed+0x12b/0xe20 [ 842.670505][ T73] addrconf_dad_begin+0x310/0x670 [ 842.670505][ T73] addrconf_dad_work+0x10b/0xab0 [ 842.670505][ T73] process_one_work+0x84d/0x18a0 [ 842.670505][ T73] worker_thread+0x587/0xd30 [ 842.670505][ T73] kthread+0x28a/0x350 [ 842.670505][ T73] ret_from_fork+0x31/0x70 [ 842.670505][ T73] ret_from_fork_asm+0x1a/0x30 [ 842.670505][ T73] [ 842.672414][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.672414][ T73] netdev_get_by_index+0x5e/0x80 [ 842.672414][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.672414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.672414][ T73] ip6_route_add+0x1c/0x140 [ 842.672414][ T73] addrconf_prefix_route+0x2a6/0x430 [ 842.672414][ T73] inet6_addr_add+0x4f8/0xa40 [ 842.672414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.672414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.672414][ T73] netlink_rcv_skb+0x130/0x360 [ 842.672414][ T73] netlink_unicast+0x449/0x710 [ 842.672414][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.672414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.672414][ T73] ___sys_sendmsg+0xee/0x170 [ 842.672414][ T73] __sys_sendmsg+0xcd/0x170 [ 842.672414][ T73] do_syscall_64+0xc6/0x1e0 [ 842.672414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.672414][ T73] [ 842.674404][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.674404][ T73] netdev_get_by_index+0x5e/0x80 [ 842.674404][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.674404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.674404][ T73] addrconf_f6i_alloc+0x315/0x560 [ 842.674404][ T73] ipv6_add_addr+0x411/0x2000 [ 842.674404][ T73] inet6_addr_add+0x30e/0xa40 [ 842.674404][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.674404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.674404][ T73] netlink_rcv_skb+0x130/0x360 [ 842.674404][ T73] netlink_unicast+0x449/0x710 [ 842.674404][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.674404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.674404][ T73] ___sys_sendmsg+0xee/0x170 [ 842.674404][ T73] __sys_sendmsg+0xcd/0x170 [ 842.674404][ T73] do_syscall_64+0xc6/0x1e0 [ 842.674404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.674404][ T73] [ 842.676397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.676397][ T73] netdev_get_by_index+0x5e/0x80 [ 842.676397][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.676397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.676397][ T73] ip6_route_add+0x1c/0x140 [ 842.676397][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 842.676397][ T73] addrconf_add_dev+0xe2/0x170 [ 842.676397][ T73] inet6_addr_add+0x12f/0xa40 [ 842.676397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.676397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.676397][ T73] netlink_rcv_skb+0x130/0x360 [ 842.676397][ T73] netlink_unicast+0x449/0x710 [ 842.676397][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.676397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.676397][ T73] ___sys_sendmsg+0xee/0x170 [ 842.676397][ T73] __sys_sendmsg+0xcd/0x170 [ 842.676397][ T73] do_syscall_64+0xc6/0x1e0 [ 842.676397][ T73] [ 842.678364][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.678364][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 842.678364][ T73] ipv6_find_idev+0x102/0x170 [ 842.678364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.678364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.678364][ T73] netlink_rcv_skb+0x130/0x360 [ 842.678364][ T73] netlink_unicast+0x449/0x710 [ 842.678364][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.678364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.678364][ T73] ___sys_sendmsg+0xee/0x170 [ 842.678364][ T73] __sys_sendmsg+0xcd/0x170 [ 842.678364][ T73] do_syscall_64+0xc6/0x1e0 [ 842.678364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.678364][ T73] [ 842.679925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 842.679925][ T73] neigh_parms_alloc+0x1e5/0x510 [ 842.679925][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 842.679925][ T73] ipv6_find_idev+0x102/0x170 [ 842.679925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.679925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.679925][ T73] netlink_rcv_skb+0x130/0x360 [ 842.679925][ T73] netlink_unicast+0x449/0x710 [ 842.679925][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.679925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.679925][ T73] ___sys_sendmsg+0xee/0x170 [ 842.679925][ T73] __sys_sendmsg+0xcd/0x170 [ 842.679925][ T73] do_syscall_64+0xc6/0x1e0 [ 842.679925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.679925][ T73] [ 842.681741][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 842.682027][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.682027][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 842.682027][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 842.682027][ T73] fib6_nh_init+0xa22/0x1580 [ 842.682027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.682027][ T73] ip6_route_add+0x1c/0x140 [ 842.682027][ T73] inet6_rtm_newroute+0x104/0x110 [ 842.682027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.682027][ T73] netlink_rcv_skb+0x130/0x360 [ 842.682027][ T73] netlink_unicast+0x449/0x710 [ 842.682027][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.682027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.682027][ T73] ___sys_sendmsg+0xee/0x170 [ 842.682027][ T73] __sys_sendmsg+0xcd/0x170 [ 842.682027][ T73] do_syscall_64+0xc6/0x1e0 [ 842.682027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.682027][ T73] [ 842.684208][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.684208][ T73] dst_init+0x84/0x4a0 [ 842.684208][ T73] dst_alloc+0x97/0x150 [ 842.684208][ T73] ip6_dst_alloc+0x23/0x90 [ 842.684208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 842.684208][ T73] ip6_pol_route+0x56f/0x840 [ 842.684208][ T73] fib6_rule_lookup+0x456/0x630 [ 842.684208][ T73] ip6_route_input+0x59c/0xa50 [ 842.684208][ T73] ipv6_rcv+0x397/0x810 [ 842.684208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 842.684208][ T73] process_backlog+0x101/0x620 [ 842.684208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 842.684208][ T73] net_rx_action+0x495/0xbe0 [ 842.684208][ T73] __do_softirq+0x1b5/0x7f6 [ 842.684208][ T73] [ 842.686018][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.686018][ T73] netdev_get_by_index+0x5e/0x80 [ 842.686018][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.686018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.686018][ T73] ip6_route_add+0x1c/0x140 [ 842.686018][ T73] addrconf_prefix_route+0x2a6/0x430 [ 842.686018][ T73] inet6_addr_add+0x4f8/0xa40 [ 842.686018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.686018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.686018][ T73] netlink_rcv_skb+0x130/0x360 [ 842.686018][ T73] netlink_unicast+0x449/0x710 [ 842.686018][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.686018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.686018][ T73] ___sys_sendmsg+0xee/0x170 [ 842.686018][ T73] __sys_sendmsg+0xcd/0x170 [ 842.686018][ T73] do_syscall_64+0xc6/0x1e0 [ 842.686018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.686018][ T73] [ 842.688261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.688261][ T73] netdev_get_by_index+0x5e/0x80 [ 842.688261][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.688261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.688261][ T73] addrconf_f6i_alloc+0x315/0x560 [ 842.688261][ T73] ipv6_add_addr+0x411/0x2000 [ 842.688261][ T73] inet6_addr_add+0x30e/0xa40 [ 842.688261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.688261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.688261][ T73] netlink_rcv_skb+0x130/0x360 [ 842.688261][ T73] netlink_unicast+0x449/0x710 [ 842.688261][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.688261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.688261][ T73] ___sys_sendmsg+0xee/0x170 [ 842.688261][ T73] __sys_sendmsg+0xcd/0x170 [ 842.688261][ T73] do_syscall_64+0xc6/0x1e0 [ 842.688261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.688261][ T73] [ 842.690490][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.690490][ T73] netdev_get_by_index+0x5e/0x80 [ 842.690490][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.690490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.690490][ T73] ip6_route_add+0x1c/0x140 [ 842.690490][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 842.690490][ T73] addrconf_add_dev+0xe2/0x170 [ 842.690490][ T73] inet6_addr_add+0x12f/0xa40 [ 842.690490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.690490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.690490][ T73] netlink_rcv_skb+0x130/0x360 [ 842.690490][ T73] netlink_unicast+0x449/0x710 [ 842.690490][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.690490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.690490][ T73] ___sys_sendmsg+0xee/0x170 [ 842.690490][ T73] __sys_sendmsg+0xcd/0x170 [ 842.690490][ T73] do_syscall_64+0xc6/0x1e0 [ 842.690490][ T73] [ 842.692690][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.692690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 842.692690][ T73] ipv6_find_idev+0x102/0x170 [ 842.692690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.692690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.692690][ T73] netlink_rcv_skb+0x130/0x360 [ 842.692690][ T73] netlink_unicast+0x449/0x710 [ 842.692690][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.692690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.692690][ T73] ___sys_sendmsg+0xee/0x170 [ 842.692690][ T73] __sys_sendmsg+0xcd/0x170 [ 842.692690][ T73] do_syscall_64+0xc6/0x1e0 [ 842.692690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.692690][ T73] [ 842.694411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 842.694411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 842.694411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 842.694411][ T73] ipv6_find_idev+0x102/0x170 [ 842.694411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.694411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.694411][ T73] netlink_rcv_skb+0x130/0x360 [ 842.694411][ T73] netlink_unicast+0x449/0x710 [ 842.694411][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.694411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.694411][ T73] ___sys_sendmsg+0xee/0x170 [ 842.694411][ T73] __sys_sendmsg+0xcd/0x170 [ 842.694411][ T73] do_syscall_64+0xc6/0x1e0 [ 842.694411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.694411][ T73] [ 842.696329][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 842.696611][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 842.696611][ T73] netdev_get_by_index+0x5e/0x80 [ 842.696611][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.696611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.696611][ T73] addrconf_f6i_alloc+0x265/0x560 [ 842.696611][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 842.696611][ T73] addrconf_join_anycast+0x1c0/0x220 [ 842.696611][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 842.696611][ T73] addrconf_dad_completed+0x12b/0xe20 [ 842.696611][ T73] addrconf_dad_begin+0x310/0x670 [ 842.696611][ T73] addrconf_dad_work+0x10b/0xab0 [ 842.696611][ T73] process_one_work+0x84d/0x18a0 [ 842.696611][ T73] worker_thread+0x587/0xd30 [ 842.696611][ T73] kthread+0x28a/0x350 [ 842.696611][ T73] ret_from_fork+0x31/0x70 [ 842.696611][ T73] ret_from_fork_asm+0x1a/0x30 [ 842.696611][ T73] [ 842.698757][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 842.698757][ T73] netdev_get_by_index+0x5e/0x80 [ 842.698757][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.698757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.698757][ T73] ip6_route_add+0x1c/0x140 [ 842.698757][ T73] addrconf_prefix_route+0x2a6/0x430 [ 842.698757][ T73] inet6_addr_add+0x4f8/0xa40 [ 842.698757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.698757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.698757][ T73] netlink_rcv_skb+0x130/0x360 [ 842.698757][ T73] netlink_unicast+0x449/0x710 [ 842.698757][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.698757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.698757][ T73] ___sys_sendmsg+0xee/0x170 [ 842.698757][ T73] __sys_sendmsg+0xcd/0x170 [ 842.698757][ T73] do_syscall_64+0xc6/0x1e0 [ 842.698757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.698757][ T73] [ 842.700928][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 842.700928][ T73] netdev_get_by_index+0x5e/0x80 [ 842.700928][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.700928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.700928][ T73] addrconf_f6i_alloc+0x315/0x560 [ 842.700928][ T73] ipv6_add_addr+0x411/0x2000 [ 842.700928][ T73] inet6_addr_add+0x30e/0xa40 [ 842.700928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.700928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.700928][ T73] netlink_rcv_skb+0x130/0x360 [ 842.700928][ T73] netlink_unicast+0x449/0x710 [ 842.700928][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.700928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.700928][ T73] ___sys_sendmsg+0xee/0x170 [ 842.700928][ T73] __sys_sendmsg+0xcd/0x170 [ 842.700928][ T73] do_syscall_64+0xc6/0x1e0 [ 842.700928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.700928][ T73] [ 842.703221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 842.703221][ T73] netdev_get_by_index+0x5e/0x80 [ 842.703221][ T73] fib6_nh_init+0x3d8/0x1580 [ 842.703221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 842.703221][ T73] ip6_route_add+0x1c/0x140 [ 842.703221][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 842.703221][ T73] addrconf_add_dev+0xe2/0x170 [ 842.703221][ T73] inet6_addr_add+0x12f/0xa40 [ 842.703221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 842.703221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.703221][ T73] netlink_rcv_skb+0x130/0x360 [ 842.703221][ T73] netlink_unicast+0x449/0x710 [ 842.703221][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.703221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.703221][ T73] ___sys_sendmsg+0xee/0x170 [ 842.703221][ T73] __sys_sendmsg+0xcd/0x170 [ 842.703221][ T73] do_syscall_64+0xc6/0x1e0 [ 842.703221][ T73] [ 842.705418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 842.705418][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 842.705418][ T73] ipv6_find_idev+0x102/0x170 [ 842.705418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.705418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.705418][ T73] netlink_rcv_skb+0x130/0x360 [ 842.705418][ T73] netlink_unicast+0x449/0x710 [ 842.705418][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.705418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.705418][ T73] ___sys_sendmsg+0xee/0x170 [ 842.705418][ T73] __sys_sendmsg+0xcd/0x170 [ 842.705418][ T73] do_syscall_64+0xc6/0x1e0 [ 842.705418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.705418][ T73] [ 842.707133][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 842.707133][ T73] neigh_parms_alloc+0x1e5/0x510 [ 842.707133][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 842.707133][ T73] ipv6_find_idev+0x102/0x170 [ 842.707133][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 842.707133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 842.707133][ T73] netlink_rcv_skb+0x130/0x360 [ 842.707133][ T73] netlink_unicast+0x449/0x710 [ 842.707133][ T73] netlink_sendmsg+0x723/0xbe0 [ 842.707133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 842.707133][ T73] ___sys_sendmsg+0xee/0x170 [ 842.707133][ T73] __sys_sendmsg+0xcd/0x170 [ 842.707133][ T73] do_syscall_64+0xc6/0x1e0 [ 842.707133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 842.707133][ T73] [ 852.950949][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 852.951464][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.951464][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 852.951464][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 852.951464][ T73] fib6_nh_init+0xa22/0x1580 [ 852.951464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.951464][ T73] ip6_route_add+0x1c/0x140 [ 852.951464][ T73] inet6_rtm_newroute+0x104/0x110 [ 852.951464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.951464][ T73] netlink_rcv_skb+0x130/0x360 [ 852.951464][ T73] netlink_unicast+0x449/0x710 [ 852.951464][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.951464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.951464][ T73] ___sys_sendmsg+0xee/0x170 [ 852.951464][ T73] __sys_sendmsg+0xcd/0x170 [ 852.951464][ T73] do_syscall_64+0xc6/0x1e0 [ 852.951464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.951464][ T73] [ 852.953602][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.953602][ T73] dst_init+0x84/0x4a0 [ 852.953602][ T73] dst_alloc+0x97/0x150 [ 852.953602][ T73] ip6_dst_alloc+0x23/0x90 [ 852.953602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 852.953602][ T73] ip6_pol_route+0x56f/0x840 [ 852.953602][ T73] fib6_rule_lookup+0x456/0x630 [ 852.953602][ T73] ip6_route_input+0x59c/0xa50 [ 852.953602][ T73] ipv6_rcv+0x397/0x810 [ 852.953602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 852.953602][ T73] process_backlog+0x101/0x620 [ 852.953602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 852.953602][ T73] net_rx_action+0x495/0xbe0 [ 852.953602][ T73] __do_softirq+0x1b5/0x7f6 [ 852.953602][ T73] [ 852.955426][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.955426][ T73] netdev_get_by_index+0x5e/0x80 [ 852.955426][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.955426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.955426][ T73] ip6_route_add+0x1c/0x140 [ 852.955426][ T73] addrconf_prefix_route+0x2a6/0x430 [ 852.955426][ T73] inet6_addr_add+0x4f8/0xa40 [ 852.955426][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.955426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.955426][ T73] netlink_rcv_skb+0x130/0x360 [ 852.955426][ T73] netlink_unicast+0x449/0x710 [ 852.955426][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.955426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.955426][ T73] ___sys_sendmsg+0xee/0x170 [ 852.955426][ T73] __sys_sendmsg+0xcd/0x170 [ 852.955426][ T73] do_syscall_64+0xc6/0x1e0 [ 852.955426][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.955426][ T73] [ 852.957670][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.957670][ T73] netdev_get_by_index+0x5e/0x80 [ 852.957670][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.957670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.957670][ T73] addrconf_f6i_alloc+0x315/0x560 [ 852.957670][ T73] ipv6_add_addr+0x411/0x2000 [ 852.957670][ T73] inet6_addr_add+0x30e/0xa40 [ 852.957670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.957670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.957670][ T73] netlink_rcv_skb+0x130/0x360 [ 852.957670][ T73] netlink_unicast+0x449/0x710 [ 852.957670][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.957670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.957670][ T73] ___sys_sendmsg+0xee/0x170 [ 852.957670][ T73] __sys_sendmsg+0xcd/0x170 [ 852.957670][ T73] do_syscall_64+0xc6/0x1e0 [ 852.957670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.957670][ T73] [ 852.959899][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.959899][ T73] netdev_get_by_index+0x5e/0x80 [ 852.959899][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.959899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.959899][ T73] ip6_route_add+0x1c/0x140 [ 852.959899][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 852.959899][ T73] addrconf_add_dev+0xe2/0x170 [ 852.959899][ T73] inet6_addr_add+0x12f/0xa40 [ 852.959899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.959899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.959899][ T73] netlink_rcv_skb+0x130/0x360 [ 852.959899][ T73] netlink_unicast+0x449/0x710 [ 852.959899][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.959899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.959899][ T73] ___sys_sendmsg+0xee/0x170 [ 852.959899][ T73] __sys_sendmsg+0xcd/0x170 [ 852.959899][ T73] do_syscall_64+0xc6/0x1e0 [ 852.959899][ T73] [ 852.962088][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.962088][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 852.962088][ T73] ipv6_find_idev+0x102/0x170 [ 852.962088][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 852.962088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.962088][ T73] netlink_rcv_skb+0x130/0x360 [ 852.962088][ T73] netlink_unicast+0x449/0x710 [ 852.962088][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.962088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.962088][ T73] ___sys_sendmsg+0xee/0x170 [ 852.962088][ T73] __sys_sendmsg+0xcd/0x170 [ 852.962088][ T73] do_syscall_64+0xc6/0x1e0 [ 852.962088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.962088][ T73] [ 852.963791][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 852.963791][ T73] neigh_parms_alloc+0x1e5/0x510 [ 852.963791][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 852.963791][ T73] ipv6_find_idev+0x102/0x170 [ 852.963791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 852.963791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.963791][ T73] netlink_rcv_skb+0x130/0x360 [ 852.963791][ T73] netlink_unicast+0x449/0x710 [ 852.963791][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.963791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.963791][ T73] ___sys_sendmsg+0xee/0x170 [ 852.963791][ T73] __sys_sendmsg+0xcd/0x170 [ 852.963791][ T73] do_syscall_64+0xc6/0x1e0 [ 852.963791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.963791][ T73] [ 852.965674][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 852.965990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.965990][ T73] dst_init+0x84/0x4a0 [ 852.965990][ T73] dst_alloc+0x97/0x150 [ 852.965990][ T73] ip6_dst_alloc+0x23/0x90 [ 852.965990][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 852.965990][ T73] ip6_pol_route+0x56f/0x840 [ 852.965990][ T73] fib6_rule_lookup+0x456/0x630 [ 852.965990][ T73] ip6_route_input+0x59c/0xa50 [ 852.965990][ T73] ipv6_rcv+0x397/0x810 [ 852.965990][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 852.965990][ T73] process_backlog+0x101/0x620 [ 852.965990][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 852.965990][ T73] net_rx_action+0x495/0xbe0 [ 852.965990][ T73] __do_softirq+0x1b5/0x7f6 [ 852.965990][ T73] [ 852.967840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.967840][ T73] netdev_get_by_index+0x5e/0x80 [ 852.967840][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.967840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.967840][ T73] addrconf_f6i_alloc+0x265/0x560 [ 852.967840][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 852.967840][ T73] addrconf_join_anycast+0x1c0/0x220 [ 852.967840][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 852.967840][ T73] addrconf_dad_completed+0x12b/0xe20 [ 852.967840][ T73] addrconf_dad_begin+0x310/0x670 [ 852.967840][ T73] addrconf_dad_work+0x10b/0xab0 [ 852.967840][ T73] process_one_work+0x84d/0x18a0 [ 852.967840][ T73] worker_thread+0x587/0xd30 [ 852.967840][ T73] kthread+0x28a/0x350 [ 852.967840][ T73] ret_from_fork+0x31/0x70 [ 852.967840][ T73] ret_from_fork_asm+0x1a/0x30 [ 852.967840][ T73] [ 852.969971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.969971][ T73] netdev_get_by_index+0x5e/0x80 [ 852.969971][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.969971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.969971][ T73] ip6_route_add+0x1c/0x140 [ 852.969971][ T73] addrconf_prefix_route+0x2a6/0x430 [ 852.969971][ T73] inet6_addr_add+0x4f8/0xa40 [ 852.969971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.969971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.969971][ T73] netlink_rcv_skb+0x130/0x360 [ 852.969971][ T73] netlink_unicast+0x449/0x710 [ 852.969971][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.969971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.969971][ T73] ___sys_sendmsg+0xee/0x170 [ 852.969971][ T73] __sys_sendmsg+0xcd/0x170 [ 852.969971][ T73] do_syscall_64+0xc6/0x1e0 [ 852.969971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.969971][ T73] [ 852.972193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.972193][ T73] netdev_get_by_index+0x5e/0x80 [ 852.972193][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.972193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.972193][ T73] addrconf_f6i_alloc+0x315/0x560 [ 852.972193][ T73] ipv6_add_addr+0x411/0x2000 [ 852.972193][ T73] inet6_addr_add+0x30e/0xa40 [ 852.972193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.972193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.972193][ T73] netlink_rcv_skb+0x130/0x360 [ 852.972193][ T73] netlink_unicast+0x449/0x710 [ 852.972193][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.972193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.972193][ T73] ___sys_sendmsg+0xee/0x170 [ 852.972193][ T73] __sys_sendmsg+0xcd/0x170 [ 852.972193][ T73] do_syscall_64+0xc6/0x1e0 [ 852.972193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.972193][ T73] [ 852.974429][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.974429][ T73] netdev_get_by_index+0x5e/0x80 [ 852.974429][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.974429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.974429][ T73] ip6_route_add+0x1c/0x140 [ 852.974429][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 852.974429][ T73] addrconf_add_dev+0xe2/0x170 [ 852.974429][ T73] inet6_addr_add+0x12f/0xa40 [ 852.974429][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.974429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.974429][ T73] netlink_rcv_skb+0x130/0x360 [ 852.974429][ T73] netlink_unicast+0x449/0x710 [ 852.974429][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.974429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.974429][ T73] ___sys_sendmsg+0xee/0x170 [ 852.974429][ T73] __sys_sendmsg+0xcd/0x170 [ 852.974429][ T73] do_syscall_64+0xc6/0x1e0 [ 852.974429][ T73] [ 852.976633][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.976633][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 852.976633][ T73] ipv6_find_idev+0x102/0x170 [ 852.976633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 852.976633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.976633][ T73] netlink_rcv_skb+0x130/0x360 [ 852.976633][ T73] netlink_unicast+0x449/0x710 [ 852.976633][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.976633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.976633][ T73] ___sys_sendmsg+0xee/0x170 [ 852.976633][ T73] __sys_sendmsg+0xcd/0x170 [ 852.976633][ T73] do_syscall_64+0xc6/0x1e0 [ 852.976633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.976633][ T73] [ 852.978358][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 852.978358][ T73] neigh_parms_alloc+0x1e5/0x510 [ 852.978358][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 852.978358][ T73] ipv6_find_idev+0x102/0x170 [ 852.978358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 852.978358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.978358][ T73] netlink_rcv_skb+0x130/0x360 [ 852.978358][ T73] netlink_unicast+0x449/0x710 [ 852.978358][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.978358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.978358][ T73] ___sys_sendmsg+0xee/0x170 [ 852.978358][ T73] __sys_sendmsg+0xcd/0x170 [ 852.978358][ T73] do_syscall_64+0xc6/0x1e0 [ 852.978358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.978358][ T73] [ 852.980384][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 852.980684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.980684][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 852.980684][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 852.980684][ T73] fib6_nh_init+0xa22/0x1580 [ 852.980684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.980684][ T73] ip6_route_add+0x1c/0x140 [ 852.980684][ T73] inet6_rtm_newroute+0x104/0x110 [ 852.980684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.980684][ T73] netlink_rcv_skb+0x130/0x360 [ 852.980684][ T73] netlink_unicast+0x449/0x710 [ 852.980684][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.980684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.980684][ T73] ___sys_sendmsg+0xee/0x170 [ 852.980684][ T73] __sys_sendmsg+0xcd/0x170 [ 852.980684][ T73] do_syscall_64+0xc6/0x1e0 [ 852.980684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.980684][ T73] [ 852.983088][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.983088][ T73] dst_init+0x84/0x4a0 [ 852.983088][ T73] dst_alloc+0x97/0x150 [ 852.983088][ T73] ip6_dst_alloc+0x23/0x90 [ 852.983088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 852.983088][ T73] ip6_pol_route+0x56f/0x840 [ 852.983088][ T73] fib6_rule_lookup+0x456/0x630 [ 852.983088][ T73] ip6_route_input+0x59c/0xa50 [ 852.983088][ T73] ipv6_rcv+0x397/0x810 [ 852.983088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 852.983088][ T73] process_backlog+0x101/0x620 [ 852.983088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 852.983088][ T73] net_rx_action+0x495/0xbe0 [ 852.983088][ T73] __do_softirq+0x1b5/0x7f6 [ 852.983088][ T73] [ 852.985098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.985098][ T73] netdev_get_by_index+0x5e/0x80 [ 852.985098][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.985098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.985098][ T73] ip6_route_add+0x1c/0x140 [ 852.985098][ T73] addrconf_prefix_route+0x2a6/0x430 [ 852.985098][ T73] inet6_addr_add+0x4f8/0xa40 [ 852.985098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.985098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.985098][ T73] netlink_rcv_skb+0x130/0x360 [ 852.985098][ T73] netlink_unicast+0x449/0x710 [ 852.985098][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.985098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.985098][ T73] ___sys_sendmsg+0xee/0x170 [ 852.985098][ T73] __sys_sendmsg+0xcd/0x170 [ 852.985098][ T73] do_syscall_64+0xc6/0x1e0 [ 852.985098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.985098][ T73] [ 852.987574][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.987574][ T73] netdev_get_by_index+0x5e/0x80 [ 852.987574][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.987574][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.987574][ T73] addrconf_f6i_alloc+0x315/0x560 [ 852.987574][ T73] ipv6_add_addr+0x411/0x2000 [ 852.987574][ T73] inet6_addr_add+0x30e/0xa40 [ 852.987574][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.987574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.987574][ T73] netlink_rcv_skb+0x130/0x360 [ 852.987574][ T73] netlink_unicast+0x449/0x710 [ 852.987574][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.987574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.987574][ T73] ___sys_sendmsg+0xee/0x170 [ 852.987574][ T73] __sys_sendmsg+0xcd/0x170 [ 852.987574][ T73] do_syscall_64+0xc6/0x1e0 [ 852.987574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.987574][ T73] [ 852.990582][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.990582][ T73] netdev_get_by_index+0x5e/0x80 [ 852.990582][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.990582][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.990582][ T73] ip6_route_add+0x1c/0x140 [ 852.990582][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 852.990582][ T73] addrconf_add_dev+0xe2/0x170 [ 852.990582][ T73] inet6_addr_add+0x12f/0xa40 [ 852.990582][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.990582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.990582][ T73] netlink_rcv_skb+0x130/0x360 [ 852.990582][ T73] netlink_unicast+0x449/0x710 [ 852.990582][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.990582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.990582][ T73] ___sys_sendmsg+0xee/0x170 [ 852.990582][ T73] __sys_sendmsg+0xcd/0x170 [ 852.990582][ T73] do_syscall_64+0xc6/0x1e0 [ 852.990582][ T73] [ 852.993064][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.993064][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 852.993064][ T73] ipv6_find_idev+0x102/0x170 [ 852.993064][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 852.993064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.993064][ T73] netlink_rcv_skb+0x130/0x360 [ 852.993064][ T73] netlink_unicast+0x449/0x710 [ 852.993064][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.993064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.993064][ T73] ___sys_sendmsg+0xee/0x170 [ 852.993064][ T73] __sys_sendmsg+0xcd/0x170 [ 852.993064][ T73] do_syscall_64+0xc6/0x1e0 [ 852.993064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.993064][ T73] [ 852.994896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 852.994896][ T73] neigh_parms_alloc+0x1e5/0x510 [ 852.994896][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 852.994896][ T73] ipv6_find_idev+0x102/0x170 [ 852.994896][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 852.994896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.994896][ T73] netlink_rcv_skb+0x130/0x360 [ 852.994896][ T73] netlink_unicast+0x449/0x710 [ 852.994896][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.994896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.994896][ T73] ___sys_sendmsg+0xee/0x170 [ 852.994896][ T73] __sys_sendmsg+0xcd/0x170 [ 852.994896][ T73] do_syscall_64+0xc6/0x1e0 [ 852.994896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.994896][ T73] [ 852.997015][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 852.997312][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 852.997312][ T73] netdev_get_by_index+0x5e/0x80 [ 852.997312][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.997312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.997312][ T73] addrconf_f6i_alloc+0x265/0x560 [ 852.997312][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 852.997312][ T73] addrconf_join_anycast+0x1c0/0x220 [ 852.997312][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 852.997312][ T73] addrconf_dad_completed+0x12b/0xe20 [ 852.997312][ T73] addrconf_dad_begin+0x310/0x670 [ 852.997312][ T73] addrconf_dad_work+0x10b/0xab0 [ 852.997312][ T73] process_one_work+0x84d/0x18a0 [ 852.997312][ T73] worker_thread+0x587/0xd30 [ 852.997312][ T73] kthread+0x28a/0x350 [ 852.997312][ T73] ret_from_fork+0x31/0x70 [ 852.997312][ T73] ret_from_fork_asm+0x1a/0x30 [ 852.997312][ T73] [ 852.999671][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 852.999671][ T73] netdev_get_by_index+0x5e/0x80 [ 852.999671][ T73] fib6_nh_init+0x3d8/0x1580 [ 852.999671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 852.999671][ T73] ip6_route_add+0x1c/0x140 [ 852.999671][ T73] addrconf_prefix_route+0x2a6/0x430 [ 852.999671][ T73] inet6_addr_add+0x4f8/0xa40 [ 852.999671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 852.999671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 852.999671][ T73] netlink_rcv_skb+0x130/0x360 [ 852.999671][ T73] netlink_unicast+0x449/0x710 [ 852.999671][ T73] netlink_sendmsg+0x723/0xbe0 [ 852.999671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 852.999671][ T73] ___sys_sendmsg+0xee/0x170 [ 852.999671][ T73] __sys_sendmsg+0xcd/0x170 [ 852.999671][ T73] do_syscall_64+0xc6/0x1e0 [ 852.999671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 852.999671][ T73] [ 853.002144][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 853.002144][ T73] netdev_get_by_index+0x5e/0x80 [ 853.002144][ T73] fib6_nh_init+0x3d8/0x1580 [ 853.002144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 853.002144][ T73] addrconf_f6i_alloc+0x315/0x560 [ 853.002144][ T73] ipv6_add_addr+0x411/0x2000 [ 853.002144][ T73] inet6_addr_add+0x30e/0xa40 [ 853.002144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 853.002144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.002144][ T73] netlink_rcv_skb+0x130/0x360 [ 853.002144][ T73] netlink_unicast+0x449/0x710 [ 853.002144][ T73] netlink_sendmsg+0x723/0xbe0 [ 853.002144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 853.002144][ T73] ___sys_sendmsg+0xee/0x170 [ 853.002144][ T73] __sys_sendmsg+0xcd/0x170 [ 853.002144][ T73] do_syscall_64+0xc6/0x1e0 [ 853.002144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.002144][ T73] [ 853.004597][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 853.004597][ T73] netdev_get_by_index+0x5e/0x80 [ 853.004597][ T73] fib6_nh_init+0x3d8/0x1580 [ 853.004597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 853.004597][ T73] ip6_route_add+0x1c/0x140 [ 853.004597][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 853.004597][ T73] addrconf_add_dev+0xe2/0x170 [ 853.004597][ T73] inet6_addr_add+0x12f/0xa40 [ 853.004597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 853.004597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.004597][ T73] netlink_rcv_skb+0x130/0x360 [ 853.004597][ T73] netlink_unicast+0x449/0x710 [ 853.004597][ T73] netlink_sendmsg+0x723/0xbe0 [ 853.004597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 853.004597][ T73] ___sys_sendmsg+0xee/0x170 [ 853.004597][ T73] __sys_sendmsg+0xcd/0x170 [ 853.004597][ T73] do_syscall_64+0xc6/0x1e0 [ 853.004597][ T73] [ 853.007020][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 853.007020][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 853.007020][ T73] ipv6_find_idev+0x102/0x170 [ 853.007020][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 853.007020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.007020][ T73] netlink_rcv_skb+0x130/0x360 [ 853.007020][ T73] netlink_unicast+0x449/0x710 [ 853.007020][ T73] netlink_sendmsg+0x723/0xbe0 [ 853.007020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 853.007020][ T73] ___sys_sendmsg+0xee/0x170 [ 853.007020][ T73] __sys_sendmsg+0xcd/0x170 [ 853.007020][ T73] do_syscall_64+0xc6/0x1e0 [ 853.007020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.007020][ T73] [ 853.008907][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 853.008907][ T73] neigh_parms_alloc+0x1e5/0x510 [ 853.008907][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 853.008907][ T73] ipv6_find_idev+0x102/0x170 [ 853.008907][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 853.008907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.008907][ T73] netlink_rcv_skb+0x130/0x360 [ 853.008907][ T73] netlink_unicast+0x449/0x710 [ 853.008907][ T73] netlink_sendmsg+0x723/0xbe0 [ 853.008907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 853.008907][ T73] ___sys_sendmsg+0xee/0x170 [ 853.008907][ T73] __sys_sendmsg+0xcd/0x170 [ 853.008907][ T73] do_syscall_64+0xc6/0x1e0 [ 853.008907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.008907][ T73] [ 861.478963][ T42] INFO: task modprobe:887 blocked for more than 614 seconds. [ 861.479312][ T42] Not tainted 6.8.0-virtme #1 [ 861.479440][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.479639][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 861.479919][ T42] Call Trace: [ 861.480022][ T42] [ 861.480092][ T42] __schedule+0x705/0x1ac0 [ 861.480234][ T42] ? __pfx___schedule+0x10/0x10 [ 861.480359][ T42] ? schedule+0x1a5/0x210 [ 861.480456][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.480586][ T42] ? mark_lock+0x38/0x3e0 [ 861.480680][ T42] ? do_raw_spin_lock+0x131/0x270 [ 861.480825][ T42] ? schedule+0x1a5/0x210 [ 861.480924][ T42] schedule+0xdf/0x210 [ 861.481026][ T42] schedule_preempt_disabled+0x15/0x30 [ 861.481148][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 861.481278][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 861.481439][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.481567][ T42] ? lock_acquire+0x1c1/0x220 [ 861.481688][ T42] ? register_pernet_subsys+0x1a/0x50 [ 861.481831][ T42] down_write+0x1c9/0x200 [ 861.481931][ T42] ? __pfx_down_write+0x10/0x10 [ 861.482054][ T42] ? __lock_release+0x103/0x460 [ 861.482176][ T42] ? __create_object+0x5e/0xb0 [ 861.482303][ T42] ? __pfx___lock_release+0x10/0x10 [ 861.482430][ T42] register_pernet_subsys+0x1a/0x50 [ 861.482596][ T42] tcf_register_action+0xa3/0x600 [ 861.482726][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 861.482916][ T42] do_one_initcall+0xc8/0x3f0 [ 861.483047][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 861.483177][ T42] ? __create_object+0x5e/0xb0 [ 861.483303][ T42] ? kasan_unpoison+0x27/0x60 [ 861.483432][ T42] do_init_module+0x233/0x740 [ 861.483573][ T42] load_module+0x16b5/0x2350 [ 861.483711][ T42] ? __pfx_load_module+0x10/0x10 [ 861.483859][ T42] ? kernel_read_file+0x3d2/0x520 [ 861.483992][ T42] ? kernel_read_file+0x300/0x520 [ 861.484118][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 861.484254][ T42] ? init_module_from_file+0xd2/0x130 [ 861.484379][ T42] init_module_from_file+0xd2/0x130 [ 861.484502][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 861.484655][ T42] ? __lock_release+0x103/0x460 [ 861.484792][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.484928][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.485051][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 861.485182][ T42] idempotent_init_module+0x342/0x620 [ 861.485309][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 861.485479][ T42] __x64_sys_finit_module+0xbe/0x130 [ 861.485605][ T42] do_syscall_64+0xc6/0x1e0 [ 861.485733][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.485900][ T42] RIP: 0033:0x7f929d278e5d [ 861.486032][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 861.486220][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 861.486416][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 861.486599][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 861.486793][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 861.486979][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 861.487176][ T42] [ 861.487269][ T42] [ 861.487269][ T42] Showing all locks held in the system: [ 861.487447][ T42] 2 locks held by kworker/u18:0/37: [ 861.487572][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.487844][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.488126][ T42] 1 lock held by khungtaskd/42: [ 861.488242][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 861.488464][ T42] 3 locks held by kworker/u16:1/73: [ 861.488583][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.488836][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.489055][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 861.489278][ T42] 1 lock held by modprobe/887: [ 861.489395][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 861.489639][ T42] [ 861.489699][ T42] ============================================= [ 861.489699][ T42] [ 863.062916][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 863.063318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.063318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 863.063318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 863.063318][ T73] fib6_nh_init+0xa22/0x1580 [ 863.063318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.063318][ T73] ip6_route_add+0x1c/0x140 [ 863.063318][ T73] inet6_rtm_newroute+0x104/0x110 [ 863.063318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.063318][ T73] netlink_rcv_skb+0x130/0x360 [ 863.063318][ T73] netlink_unicast+0x449/0x710 [ 863.063318][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.063318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.063318][ T73] ___sys_sendmsg+0xee/0x170 [ 863.063318][ T73] __sys_sendmsg+0xcd/0x170 [ 863.063318][ T73] do_syscall_64+0xc6/0x1e0 [ 863.063318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.063318][ T73] [ 863.065199][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.065199][ T73] dst_init+0x84/0x4a0 [ 863.065199][ T73] dst_alloc+0x97/0x150 [ 863.065199][ T73] ip6_dst_alloc+0x23/0x90 [ 863.065199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 863.065199][ T73] ip6_pol_route+0x56f/0x840 [ 863.065199][ T73] fib6_rule_lookup+0x456/0x630 [ 863.065199][ T73] ip6_route_input+0x59c/0xa50 [ 863.065199][ T73] ipv6_rcv+0x397/0x810 [ 863.065199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 863.065199][ T73] process_backlog+0x101/0x620 [ 863.065199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 863.065199][ T73] net_rx_action+0x495/0xbe0 [ 863.065199][ T73] __do_softirq+0x1b5/0x7f6 [ 863.065199][ T73] [ 863.066843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.066843][ T73] netdev_get_by_index+0x5e/0x80 [ 863.066843][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.066843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.066843][ T73] ip6_route_add+0x1c/0x140 [ 863.066843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 863.066843][ T73] inet6_addr_add+0x4f8/0xa40 [ 863.066843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.066843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.066843][ T73] netlink_rcv_skb+0x130/0x360 [ 863.066843][ T73] netlink_unicast+0x449/0x710 [ 863.066843][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.066843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.066843][ T73] ___sys_sendmsg+0xee/0x170 [ 863.066843][ T73] __sys_sendmsg+0xcd/0x170 [ 863.066843][ T73] do_syscall_64+0xc6/0x1e0 [ 863.066843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.066843][ T73] [ 863.068841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.068841][ T73] netdev_get_by_index+0x5e/0x80 [ 863.068841][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.068841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.068841][ T73] addrconf_f6i_alloc+0x315/0x560 [ 863.068841][ T73] ipv6_add_addr+0x411/0x2000 [ 863.068841][ T73] inet6_addr_add+0x30e/0xa40 [ 863.068841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.068841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.068841][ T73] netlink_rcv_skb+0x130/0x360 [ 863.068841][ T73] netlink_unicast+0x449/0x710 [ 863.068841][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.068841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.068841][ T73] ___sys_sendmsg+0xee/0x170 [ 863.068841][ T73] __sys_sendmsg+0xcd/0x170 [ 863.068841][ T73] do_syscall_64+0xc6/0x1e0 [ 863.068841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.068841][ T73] [ 863.070830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.070830][ T73] netdev_get_by_index+0x5e/0x80 [ 863.070830][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.070830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.070830][ T73] ip6_route_add+0x1c/0x140 [ 863.070830][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 863.070830][ T73] addrconf_add_dev+0xe2/0x170 [ 863.070830][ T73] inet6_addr_add+0x12f/0xa40 [ 863.070830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.070830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.070830][ T73] netlink_rcv_skb+0x130/0x360 [ 863.070830][ T73] netlink_unicast+0x449/0x710 [ 863.070830][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.070830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.070830][ T73] ___sys_sendmsg+0xee/0x170 [ 863.070830][ T73] __sys_sendmsg+0xcd/0x170 [ 863.070830][ T73] do_syscall_64+0xc6/0x1e0 [ 863.070830][ T73] [ 863.072792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.072792][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 863.072792][ T73] ipv6_find_idev+0x102/0x170 [ 863.072792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.072792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.072792][ T73] netlink_rcv_skb+0x130/0x360 [ 863.072792][ T73] netlink_unicast+0x449/0x710 [ 863.072792][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.072792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.072792][ T73] ___sys_sendmsg+0xee/0x170 [ 863.072792][ T73] __sys_sendmsg+0xcd/0x170 [ 863.072792][ T73] do_syscall_64+0xc6/0x1e0 [ 863.072792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.072792][ T73] [ 863.074808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 863.074808][ T73] neigh_parms_alloc+0x1e5/0x510 [ 863.074808][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 863.074808][ T73] ipv6_find_idev+0x102/0x170 [ 863.074808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.074808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.074808][ T73] netlink_rcv_skb+0x130/0x360 [ 863.074808][ T73] netlink_unicast+0x449/0x710 [ 863.074808][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.074808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.074808][ T73] ___sys_sendmsg+0xee/0x170 [ 863.074808][ T73] __sys_sendmsg+0xcd/0x170 [ 863.074808][ T73] do_syscall_64+0xc6/0x1e0 [ 863.074808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.074808][ T73] [ 863.076507][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 863.076782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.076782][ T73] dst_init+0x84/0x4a0 [ 863.076782][ T73] dst_alloc+0x97/0x150 [ 863.076782][ T73] ip6_dst_alloc+0x23/0x90 [ 863.076782][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 863.076782][ T73] ip6_pol_route+0x56f/0x840 [ 863.076782][ T73] fib6_rule_lookup+0x456/0x630 [ 863.076782][ T73] ip6_route_input+0x59c/0xa50 [ 863.076782][ T73] ipv6_rcv+0x397/0x810 [ 863.076782][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 863.076782][ T73] process_backlog+0x101/0x620 [ 863.076782][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 863.076782][ T73] net_rx_action+0x495/0xbe0 [ 863.076782][ T73] __do_softirq+0x1b5/0x7f6 [ 863.076782][ T73] [ 863.078402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.078402][ T73] netdev_get_by_index+0x5e/0x80 [ 863.078402][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.078402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.078402][ T73] addrconf_f6i_alloc+0x265/0x560 [ 863.078402][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 863.078402][ T73] addrconf_join_anycast+0x1c0/0x220 [ 863.078402][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 863.078402][ T73] addrconf_dad_completed+0x12b/0xe20 [ 863.078402][ T73] addrconf_dad_begin+0x310/0x670 [ 863.078402][ T73] addrconf_dad_work+0x10b/0xab0 [ 863.078402][ T73] process_one_work+0x84d/0x18a0 [ 863.078402][ T73] worker_thread+0x587/0xd30 [ 863.078402][ T73] kthread+0x28a/0x350 [ 863.078402][ T73] ret_from_fork+0x31/0x70 [ 863.078402][ T73] ret_from_fork_asm+0x1a/0x30 [ 863.078402][ T73] [ 863.080310][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.080310][ T73] netdev_get_by_index+0x5e/0x80 [ 863.080310][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.080310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.080310][ T73] ip6_route_add+0x1c/0x140 [ 863.080310][ T73] addrconf_prefix_route+0x2a6/0x430 [ 863.080310][ T73] inet6_addr_add+0x4f8/0xa40 [ 863.080310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.080310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.080310][ T73] netlink_rcv_skb+0x130/0x360 [ 863.080310][ T73] netlink_unicast+0x449/0x710 [ 863.080310][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.080310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.080310][ T73] ___sys_sendmsg+0xee/0x170 [ 863.080310][ T73] __sys_sendmsg+0xcd/0x170 [ 863.080310][ T73] do_syscall_64+0xc6/0x1e0 [ 863.080310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.080310][ T73] [ 863.082295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.082295][ T73] netdev_get_by_index+0x5e/0x80 [ 863.082295][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.082295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.082295][ T73] addrconf_f6i_alloc+0x315/0x560 [ 863.082295][ T73] ipv6_add_addr+0x411/0x2000 [ 863.082295][ T73] inet6_addr_add+0x30e/0xa40 [ 863.082295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.082295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.082295][ T73] netlink_rcv_skb+0x130/0x360 [ 863.082295][ T73] netlink_unicast+0x449/0x710 [ 863.082295][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.082295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.082295][ T73] ___sys_sendmsg+0xee/0x170 [ 863.082295][ T73] __sys_sendmsg+0xcd/0x170 [ 863.082295][ T73] do_syscall_64+0xc6/0x1e0 [ 863.082295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.082295][ T73] [ 863.084292][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.084292][ T73] netdev_get_by_index+0x5e/0x80 [ 863.084292][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.084292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.084292][ T73] ip6_route_add+0x1c/0x140 [ 863.084292][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 863.084292][ T73] addrconf_add_dev+0xe2/0x170 [ 863.084292][ T73] inet6_addr_add+0x12f/0xa40 [ 863.084292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.084292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.084292][ T73] netlink_rcv_skb+0x130/0x360 [ 863.084292][ T73] netlink_unicast+0x449/0x710 [ 863.084292][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.084292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.084292][ T73] ___sys_sendmsg+0xee/0x170 [ 863.084292][ T73] __sys_sendmsg+0xcd/0x170 [ 863.084292][ T73] do_syscall_64+0xc6/0x1e0 [ 863.084292][ T73] [ 863.086240][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.086240][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 863.086240][ T73] ipv6_find_idev+0x102/0x170 [ 863.086240][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.086240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.086240][ T73] netlink_rcv_skb+0x130/0x360 [ 863.086240][ T73] netlink_unicast+0x449/0x710 [ 863.086240][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.086240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.086240][ T73] ___sys_sendmsg+0xee/0x170 [ 863.086240][ T73] __sys_sendmsg+0xcd/0x170 [ 863.086240][ T73] do_syscall_64+0xc6/0x1e0 [ 863.086240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.086240][ T73] [ 863.087778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 863.087778][ T73] neigh_parms_alloc+0x1e5/0x510 [ 863.087778][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 863.087778][ T73] ipv6_find_idev+0x102/0x170 [ 863.087778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.087778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.087778][ T73] netlink_rcv_skb+0x130/0x360 [ 863.087778][ T73] netlink_unicast+0x449/0x710 [ 863.087778][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.087778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.087778][ T73] ___sys_sendmsg+0xee/0x170 [ 863.087778][ T73] __sys_sendmsg+0xcd/0x170 [ 863.087778][ T73] do_syscall_64+0xc6/0x1e0 [ 863.087778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.087778][ T73] [ 863.089592][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 863.089876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.089876][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 863.089876][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 863.089876][ T73] fib6_nh_init+0xa22/0x1580 [ 863.089876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.089876][ T73] ip6_route_add+0x1c/0x140 [ 863.089876][ T73] inet6_rtm_newroute+0x104/0x110 [ 863.089876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.089876][ T73] netlink_rcv_skb+0x130/0x360 [ 863.089876][ T73] netlink_unicast+0x449/0x710 [ 863.089876][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.089876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.089876][ T73] ___sys_sendmsg+0xee/0x170 [ 863.089876][ T73] __sys_sendmsg+0xcd/0x170 [ 863.089876][ T73] do_syscall_64+0xc6/0x1e0 [ 863.089876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.089876][ T73] [ 863.091990][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.091990][ T73] dst_init+0x84/0x4a0 [ 863.091990][ T73] dst_alloc+0x97/0x150 [ 863.091990][ T73] ip6_dst_alloc+0x23/0x90 [ 863.091990][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 863.091990][ T73] ip6_pol_route+0x56f/0x840 [ 863.091990][ T73] fib6_rule_lookup+0x456/0x630 [ 863.091990][ T73] ip6_route_input+0x59c/0xa50 [ 863.091990][ T73] ipv6_rcv+0x397/0x810 [ 863.091990][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 863.091990][ T73] process_backlog+0x101/0x620 [ 863.091990][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 863.091990][ T73] net_rx_action+0x495/0xbe0 [ 863.091990][ T73] __do_softirq+0x1b5/0x7f6 [ 863.091990][ T73] [ 863.093808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.093808][ T73] netdev_get_by_index+0x5e/0x80 [ 863.093808][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.093808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.093808][ T73] ip6_route_add+0x1c/0x140 [ 863.093808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 863.093808][ T73] inet6_addr_add+0x4f8/0xa40 [ 863.093808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.093808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.093808][ T73] netlink_rcv_skb+0x130/0x360 [ 863.093808][ T73] netlink_unicast+0x449/0x710 [ 863.093808][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.093808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.093808][ T73] ___sys_sendmsg+0xee/0x170 [ 863.093808][ T73] __sys_sendmsg+0xcd/0x170 [ 863.093808][ T73] do_syscall_64+0xc6/0x1e0 [ 863.093808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.093808][ T73] [ 863.096105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.096105][ T73] netdev_get_by_index+0x5e/0x80 [ 863.096105][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.096105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.096105][ T73] addrconf_f6i_alloc+0x315/0x560 [ 863.096105][ T73] ipv6_add_addr+0x411/0x2000 [ 863.096105][ T73] inet6_addr_add+0x30e/0xa40 [ 863.096105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.096105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.096105][ T73] netlink_rcv_skb+0x130/0x360 [ 863.096105][ T73] netlink_unicast+0x449/0x710 [ 863.096105][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.096105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.096105][ T73] ___sys_sendmsg+0xee/0x170 [ 863.096105][ T73] __sys_sendmsg+0xcd/0x170 [ 863.096105][ T73] do_syscall_64+0xc6/0x1e0 [ 863.096105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.096105][ T73] [ 863.098347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.098347][ T73] netdev_get_by_index+0x5e/0x80 [ 863.098347][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.098347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.098347][ T73] ip6_route_add+0x1c/0x140 [ 863.098347][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 863.098347][ T73] addrconf_add_dev+0xe2/0x170 [ 863.098347][ T73] inet6_addr_add+0x12f/0xa40 [ 863.098347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.098347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.098347][ T73] netlink_rcv_skb+0x130/0x360 [ 863.098347][ T73] netlink_unicast+0x449/0x710 [ 863.098347][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.098347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.098347][ T73] ___sys_sendmsg+0xee/0x170 [ 863.098347][ T73] __sys_sendmsg+0xcd/0x170 [ 863.098347][ T73] do_syscall_64+0xc6/0x1e0 [ 863.098347][ T73] [ 863.100496][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.100496][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 863.100496][ T73] ipv6_find_idev+0x102/0x170 [ 863.100496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.100496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.100496][ T73] netlink_rcv_skb+0x130/0x360 [ 863.100496][ T73] netlink_unicast+0x449/0x710 [ 863.100496][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.100496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.100496][ T73] ___sys_sendmsg+0xee/0x170 [ 863.100496][ T73] __sys_sendmsg+0xcd/0x170 [ 863.100496][ T73] do_syscall_64+0xc6/0x1e0 [ 863.100496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.100496][ T73] [ 863.102212][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 863.102212][ T73] neigh_parms_alloc+0x1e5/0x510 [ 863.102212][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 863.102212][ T73] ipv6_find_idev+0x102/0x170 [ 863.102212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.102212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.102212][ T73] netlink_rcv_skb+0x130/0x360 [ 863.102212][ T73] netlink_unicast+0x449/0x710 [ 863.102212][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.102212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.102212][ T73] ___sys_sendmsg+0xee/0x170 [ 863.102212][ T73] __sys_sendmsg+0xcd/0x170 [ 863.102212][ T73] do_syscall_64+0xc6/0x1e0 [ 863.102212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.102212][ T73] [ 863.104176][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 863.104444][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 863.104444][ T73] netdev_get_by_index+0x5e/0x80 [ 863.104444][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.104444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.104444][ T73] addrconf_f6i_alloc+0x265/0x560 [ 863.104444][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 863.104444][ T73] addrconf_join_anycast+0x1c0/0x220 [ 863.104444][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 863.104444][ T73] addrconf_dad_completed+0x12b/0xe20 [ 863.104444][ T73] addrconf_dad_begin+0x310/0x670 [ 863.104444][ T73] addrconf_dad_work+0x10b/0xab0 [ 863.104444][ T73] process_one_work+0x84d/0x18a0 [ 863.104444][ T73] worker_thread+0x587/0xd30 [ 863.104444][ T73] kthread+0x28a/0x350 [ 863.104444][ T73] ret_from_fork+0x31/0x70 [ 863.104444][ T73] ret_from_fork_asm+0x1a/0x30 [ 863.104444][ T73] [ 863.106602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 863.106602][ T73] netdev_get_by_index+0x5e/0x80 [ 863.106602][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.106602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.106602][ T73] ip6_route_add+0x1c/0x140 [ 863.106602][ T73] addrconf_prefix_route+0x2a6/0x430 [ 863.106602][ T73] inet6_addr_add+0x4f8/0xa40 [ 863.106602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.106602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.106602][ T73] netlink_rcv_skb+0x130/0x360 [ 863.106602][ T73] netlink_unicast+0x449/0x710 [ 863.106602][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.106602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.106602][ T73] ___sys_sendmsg+0xee/0x170 [ 863.106602][ T73] __sys_sendmsg+0xcd/0x170 [ 863.106602][ T73] do_syscall_64+0xc6/0x1e0 [ 863.106602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.106602][ T73] [ 863.108774][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 863.108774][ T73] netdev_get_by_index+0x5e/0x80 [ 863.108774][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.108774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.108774][ T73] addrconf_f6i_alloc+0x315/0x560 [ 863.108774][ T73] ipv6_add_addr+0x411/0x2000 [ 863.108774][ T73] inet6_addr_add+0x30e/0xa40 [ 863.108774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.108774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.108774][ T73] netlink_rcv_skb+0x130/0x360 [ 863.108774][ T73] netlink_unicast+0x449/0x710 [ 863.108774][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.108774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.108774][ T73] ___sys_sendmsg+0xee/0x170 [ 863.108774][ T73] __sys_sendmsg+0xcd/0x170 [ 863.108774][ T73] do_syscall_64+0xc6/0x1e0 [ 863.108774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.108774][ T73] [ 863.111093][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 863.111093][ T73] netdev_get_by_index+0x5e/0x80 [ 863.111093][ T73] fib6_nh_init+0x3d8/0x1580 [ 863.111093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 863.111093][ T73] ip6_route_add+0x1c/0x140 [ 863.111093][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 863.111093][ T73] addrconf_add_dev+0xe2/0x170 [ 863.111093][ T73] inet6_addr_add+0x12f/0xa40 [ 863.111093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 863.111093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.111093][ T73] netlink_rcv_skb+0x130/0x360 [ 863.111093][ T73] netlink_unicast+0x449/0x710 [ 863.111093][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.111093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.111093][ T73] ___sys_sendmsg+0xee/0x170 [ 863.111093][ T73] __sys_sendmsg+0xcd/0x170 [ 863.111093][ T73] do_syscall_64+0xc6/0x1e0 [ 863.111093][ T73] [ 863.113301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 863.113301][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 863.113301][ T73] ipv6_find_idev+0x102/0x170 [ 863.113301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.113301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.113301][ T73] netlink_rcv_skb+0x130/0x360 [ 863.113301][ T73] netlink_unicast+0x449/0x710 [ 863.113301][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.113301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.113301][ T73] ___sys_sendmsg+0xee/0x170 [ 863.113301][ T73] __sys_sendmsg+0xcd/0x170 [ 863.113301][ T73] do_syscall_64+0xc6/0x1e0 [ 863.113301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.113301][ T73] [ 863.115077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 863.115077][ T73] neigh_parms_alloc+0x1e5/0x510 [ 863.115077][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 863.115077][ T73] ipv6_find_idev+0x102/0x170 [ 863.115077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.115077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.115077][ T73] netlink_rcv_skb+0x130/0x360 [ 863.115077][ T73] netlink_unicast+0x449/0x710 [ 863.115077][ T73] netlink_sendmsg+0x723/0xbe0 [ 863.115077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 863.115077][ T73] ___sys_sendmsg+0xee/0x170 [ 863.115077][ T73] __sys_sendmsg+0xcd/0x170 [ 863.115077][ T73] do_syscall_64+0xc6/0x1e0 [ 863.115077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.115077][ T73] [ 873.294868][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 873.295363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.295363][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 873.295363][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 873.295363][ T73] fib6_nh_init+0xa22/0x1580 [ 873.295363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.295363][ T73] ip6_route_add+0x1c/0x140 [ 873.295363][ T73] inet6_rtm_newroute+0x104/0x110 [ 873.295363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.295363][ T73] netlink_rcv_skb+0x130/0x360 [ 873.295363][ T73] netlink_unicast+0x449/0x710 [ 873.295363][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.295363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.295363][ T73] ___sys_sendmsg+0xee/0x170 [ 873.295363][ T73] __sys_sendmsg+0xcd/0x170 [ 873.295363][ T73] do_syscall_64+0xc6/0x1e0 [ 873.295363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.295363][ T73] [ 873.297289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.297289][ T73] dst_init+0x84/0x4a0 [ 873.297289][ T73] dst_alloc+0x97/0x150 [ 873.297289][ T73] ip6_dst_alloc+0x23/0x90 [ 873.297289][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 873.297289][ T73] ip6_pol_route+0x56f/0x840 [ 873.297289][ T73] fib6_rule_lookup+0x456/0x630 [ 873.297289][ T73] ip6_route_input+0x59c/0xa50 [ 873.297289][ T73] ipv6_rcv+0x397/0x810 [ 873.297289][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 873.297289][ T73] process_backlog+0x101/0x620 [ 873.297289][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 873.297289][ T73] net_rx_action+0x495/0xbe0 [ 873.297289][ T73] __do_softirq+0x1b5/0x7f6 [ 873.297289][ T73] [ 873.298942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.298942][ T73] netdev_get_by_index+0x5e/0x80 [ 873.298942][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.298942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.298942][ T73] ip6_route_add+0x1c/0x140 [ 873.298942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 873.298942][ T73] inet6_addr_add+0x4f8/0xa40 [ 873.298942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.298942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.298942][ T73] netlink_rcv_skb+0x130/0x360 [ 873.298942][ T73] netlink_unicast+0x449/0x710 [ 873.298942][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.298942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.298942][ T73] ___sys_sendmsg+0xee/0x170 [ 873.298942][ T73] __sys_sendmsg+0xcd/0x170 [ 873.298942][ T73] do_syscall_64+0xc6/0x1e0 [ 873.298942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.298942][ T73] [ 873.300952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.300952][ T73] netdev_get_by_index+0x5e/0x80 [ 873.300952][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.300952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.300952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 873.300952][ T73] ipv6_add_addr+0x411/0x2000 [ 873.300952][ T73] inet6_addr_add+0x30e/0xa40 [ 873.300952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.300952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.300952][ T73] netlink_rcv_skb+0x130/0x360 [ 873.300952][ T73] netlink_unicast+0x449/0x710 [ 873.300952][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.300952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.300952][ T73] ___sys_sendmsg+0xee/0x170 [ 873.300952][ T73] __sys_sendmsg+0xcd/0x170 [ 873.300952][ T73] do_syscall_64+0xc6/0x1e0 [ 873.300952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.300952][ T73] [ 873.302962][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.302962][ T73] netdev_get_by_index+0x5e/0x80 [ 873.302962][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.302962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.302962][ T73] ip6_route_add+0x1c/0x140 [ 873.302962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 873.302962][ T73] addrconf_add_dev+0xe2/0x170 [ 873.302962][ T73] inet6_addr_add+0x12f/0xa40 [ 873.302962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.302962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.302962][ T73] netlink_rcv_skb+0x130/0x360 [ 873.302962][ T73] netlink_unicast+0x449/0x710 [ 873.302962][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.302962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.302962][ T73] ___sys_sendmsg+0xee/0x170 [ 873.302962][ T73] __sys_sendmsg+0xcd/0x170 [ 873.302962][ T73] do_syscall_64+0xc6/0x1e0 [ 873.302962][ T73] [ 873.304949][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.304949][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 873.304949][ T73] ipv6_find_idev+0x102/0x170 [ 873.304949][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.304949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.304949][ T73] netlink_rcv_skb+0x130/0x360 [ 873.304949][ T73] netlink_unicast+0x449/0x710 [ 873.304949][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.304949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.304949][ T73] ___sys_sendmsg+0xee/0x170 [ 873.304949][ T73] __sys_sendmsg+0xcd/0x170 [ 873.304949][ T73] do_syscall_64+0xc6/0x1e0 [ 873.304949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.304949][ T73] [ 873.306498][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 873.306498][ T73] neigh_parms_alloc+0x1e5/0x510 [ 873.306498][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 873.306498][ T73] ipv6_find_idev+0x102/0x170 [ 873.306498][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.306498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.306498][ T73] netlink_rcv_skb+0x130/0x360 [ 873.306498][ T73] netlink_unicast+0x449/0x710 [ 873.306498][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.306498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.306498][ T73] ___sys_sendmsg+0xee/0x170 [ 873.306498][ T73] __sys_sendmsg+0xcd/0x170 [ 873.306498][ T73] do_syscall_64+0xc6/0x1e0 [ 873.306498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.306498][ T73] [ 873.308202][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 873.308471][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.308471][ T73] dst_init+0x84/0x4a0 [ 873.308471][ T73] dst_alloc+0x97/0x150 [ 873.308471][ T73] ip6_dst_alloc+0x23/0x90 [ 873.308471][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 873.308471][ T73] ip6_pol_route+0x56f/0x840 [ 873.308471][ T73] fib6_rule_lookup+0x456/0x630 [ 873.308471][ T73] ip6_route_input+0x59c/0xa50 [ 873.308471][ T73] ipv6_rcv+0x397/0x810 [ 873.308471][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 873.308471][ T73] process_backlog+0x101/0x620 [ 873.308471][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 873.308471][ T73] net_rx_action+0x495/0xbe0 [ 873.308471][ T73] __do_softirq+0x1b5/0x7f6 [ 873.308471][ T73] [ 873.310130][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.310130][ T73] netdev_get_by_index+0x5e/0x80 [ 873.310130][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.310130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.310130][ T73] addrconf_f6i_alloc+0x265/0x560 [ 873.310130][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 873.310130][ T73] addrconf_join_anycast+0x1c0/0x220 [ 873.310130][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 873.310130][ T73] addrconf_dad_completed+0x12b/0xe20 [ 873.310130][ T73] addrconf_dad_begin+0x310/0x670 [ 873.310130][ T73] addrconf_dad_work+0x10b/0xab0 [ 873.310130][ T73] process_one_work+0x84d/0x18a0 [ 873.310130][ T73] worker_thread+0x587/0xd30 [ 873.310130][ T73] kthread+0x28a/0x350 [ 873.310130][ T73] ret_from_fork+0x31/0x70 [ 873.310130][ T73] ret_from_fork_asm+0x1a/0x30 [ 873.310130][ T73] [ 873.312047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.312047][ T73] netdev_get_by_index+0x5e/0x80 [ 873.312047][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.312047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.312047][ T73] ip6_route_add+0x1c/0x140 [ 873.312047][ T73] addrconf_prefix_route+0x2a6/0x430 [ 873.312047][ T73] inet6_addr_add+0x4f8/0xa40 [ 873.312047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.312047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.312047][ T73] netlink_rcv_skb+0x130/0x360 [ 873.312047][ T73] netlink_unicast+0x449/0x710 [ 873.312047][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.312047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.312047][ T73] ___sys_sendmsg+0xee/0x170 [ 873.312047][ T73] __sys_sendmsg+0xcd/0x170 [ 873.312047][ T73] do_syscall_64+0xc6/0x1e0 [ 873.312047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.312047][ T73] [ 873.314167][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.314167][ T73] netdev_get_by_index+0x5e/0x80 [ 873.314167][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.314167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.314167][ T73] addrconf_f6i_alloc+0x315/0x560 [ 873.314167][ T73] ipv6_add_addr+0x411/0x2000 [ 873.314167][ T73] inet6_addr_add+0x30e/0xa40 [ 873.314167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.314167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.314167][ T73] netlink_rcv_skb+0x130/0x360 [ 873.314167][ T73] netlink_unicast+0x449/0x710 [ 873.314167][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.314167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.314167][ T73] ___sys_sendmsg+0xee/0x170 [ 873.314167][ T73] __sys_sendmsg+0xcd/0x170 [ 873.314167][ T73] do_syscall_64+0xc6/0x1e0 [ 873.314167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.314167][ T73] [ 873.316176][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.316176][ T73] netdev_get_by_index+0x5e/0x80 [ 873.316176][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.316176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.316176][ T73] ip6_route_add+0x1c/0x140 [ 873.316176][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 873.316176][ T73] addrconf_add_dev+0xe2/0x170 [ 873.316176][ T73] inet6_addr_add+0x12f/0xa40 [ 873.316176][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.316176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.316176][ T73] netlink_rcv_skb+0x130/0x360 [ 873.316176][ T73] netlink_unicast+0x449/0x710 [ 873.316176][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.316176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.316176][ T73] ___sys_sendmsg+0xee/0x170 [ 873.316176][ T73] __sys_sendmsg+0xcd/0x170 [ 873.316176][ T73] do_syscall_64+0xc6/0x1e0 [ 873.316176][ T73] [ 873.318157][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.318157][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 873.318157][ T73] ipv6_find_idev+0x102/0x170 [ 873.318157][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.318157][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.318157][ T73] netlink_rcv_skb+0x130/0x360 [ 873.318157][ T73] netlink_unicast+0x449/0x710 [ 873.318157][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.318157][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.318157][ T73] ___sys_sendmsg+0xee/0x170 [ 873.318157][ T73] __sys_sendmsg+0xcd/0x170 [ 873.318157][ T73] do_syscall_64+0xc6/0x1e0 [ 873.318157][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.318157][ T73] [ 873.319696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 873.319696][ T73] neigh_parms_alloc+0x1e5/0x510 [ 873.319696][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 873.319696][ T73] ipv6_find_idev+0x102/0x170 [ 873.319696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.319696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.319696][ T73] netlink_rcv_skb+0x130/0x360 [ 873.319696][ T73] netlink_unicast+0x449/0x710 [ 873.319696][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.319696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.319696][ T73] ___sys_sendmsg+0xee/0x170 [ 873.319696][ T73] __sys_sendmsg+0xcd/0x170 [ 873.319696][ T73] do_syscall_64+0xc6/0x1e0 [ 873.319696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.319696][ T73] [ 873.321469][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 873.321738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.321738][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 873.321738][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 873.321738][ T73] fib6_nh_init+0xa22/0x1580 [ 873.321738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.321738][ T73] ip6_route_add+0x1c/0x140 [ 873.321738][ T73] inet6_rtm_newroute+0x104/0x110 [ 873.321738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.321738][ T73] netlink_rcv_skb+0x130/0x360 [ 873.321738][ T73] netlink_unicast+0x449/0x710 [ 873.321738][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.321738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.321738][ T73] ___sys_sendmsg+0xee/0x170 [ 873.321738][ T73] __sys_sendmsg+0xcd/0x170 [ 873.321738][ T73] do_syscall_64+0xc6/0x1e0 [ 873.321738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.321738][ T73] [ 873.324070][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.324070][ T73] dst_init+0x84/0x4a0 [ 873.324070][ T73] dst_alloc+0x97/0x150 [ 873.324070][ T73] ip6_dst_alloc+0x23/0x90 [ 873.324070][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 873.324070][ T73] ip6_pol_route+0x56f/0x840 [ 873.324070][ T73] fib6_rule_lookup+0x456/0x630 [ 873.324070][ T73] ip6_route_input+0x59c/0xa50 [ 873.324070][ T73] ipv6_rcv+0x397/0x810 [ 873.324070][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 873.324070][ T73] process_backlog+0x101/0x620 [ 873.324070][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 873.324070][ T73] net_rx_action+0x495/0xbe0 [ 873.324070][ T73] __do_softirq+0x1b5/0x7f6 [ 873.324070][ T73] [ 873.325763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.325763][ T73] netdev_get_by_index+0x5e/0x80 [ 873.325763][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.325763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.325763][ T73] ip6_route_add+0x1c/0x140 [ 873.325763][ T73] addrconf_prefix_route+0x2a6/0x430 [ 873.325763][ T73] inet6_addr_add+0x4f8/0xa40 [ 873.325763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.325763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.325763][ T73] netlink_rcv_skb+0x130/0x360 [ 873.325763][ T73] netlink_unicast+0x449/0x710 [ 873.325763][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.325763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.325763][ T73] ___sys_sendmsg+0xee/0x170 [ 873.325763][ T73] __sys_sendmsg+0xcd/0x170 [ 873.325763][ T73] do_syscall_64+0xc6/0x1e0 [ 873.325763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.325763][ T73] [ 873.327909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.327909][ T73] netdev_get_by_index+0x5e/0x80 [ 873.327909][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.327909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.327909][ T73] addrconf_f6i_alloc+0x315/0x560 [ 873.327909][ T73] ipv6_add_addr+0x411/0x2000 [ 873.327909][ T73] inet6_addr_add+0x30e/0xa40 [ 873.327909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.327909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.327909][ T73] netlink_rcv_skb+0x130/0x360 [ 873.327909][ T73] netlink_unicast+0x449/0x710 [ 873.327909][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.327909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.327909][ T73] ___sys_sendmsg+0xee/0x170 [ 873.327909][ T73] __sys_sendmsg+0xcd/0x170 [ 873.327909][ T73] do_syscall_64+0xc6/0x1e0 [ 873.327909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.327909][ T73] [ 873.330053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.330053][ T73] netdev_get_by_index+0x5e/0x80 [ 873.330053][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.330053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.330053][ T73] ip6_route_add+0x1c/0x140 [ 873.330053][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 873.330053][ T73] addrconf_add_dev+0xe2/0x170 [ 873.330053][ T73] inet6_addr_add+0x12f/0xa40 [ 873.330053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.330053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.330053][ T73] netlink_rcv_skb+0x130/0x360 [ 873.330053][ T73] netlink_unicast+0x449/0x710 [ 873.330053][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.330053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.330053][ T73] ___sys_sendmsg+0xee/0x170 [ 873.330053][ T73] __sys_sendmsg+0xcd/0x170 [ 873.330053][ T73] do_syscall_64+0xc6/0x1e0 [ 873.330053][ T73] [ 873.332151][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.332151][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 873.332151][ T73] ipv6_find_idev+0x102/0x170 [ 873.332151][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.332151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.332151][ T73] netlink_rcv_skb+0x130/0x360 [ 873.332151][ T73] netlink_unicast+0x449/0x710 [ 873.332151][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.332151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.332151][ T73] ___sys_sendmsg+0xee/0x170 [ 873.332151][ T73] __sys_sendmsg+0xcd/0x170 [ 873.332151][ T73] do_syscall_64+0xc6/0x1e0 [ 873.332151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.332151][ T73] [ 873.333763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 873.333763][ T73] neigh_parms_alloc+0x1e5/0x510 [ 873.333763][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 873.333763][ T73] ipv6_find_idev+0x102/0x170 [ 873.333763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.333763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.333763][ T73] netlink_rcv_skb+0x130/0x360 [ 873.333763][ T73] netlink_unicast+0x449/0x710 [ 873.333763][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.333763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.333763][ T73] ___sys_sendmsg+0xee/0x170 [ 873.333763][ T73] __sys_sendmsg+0xcd/0x170 [ 873.333763][ T73] do_syscall_64+0xc6/0x1e0 [ 873.333763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.333763][ T73] [ 873.335606][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 873.336339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 873.336339][ T73] netdev_get_by_index+0x5e/0x80 [ 873.336339][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.336339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.336339][ T73] addrconf_f6i_alloc+0x265/0x560 [ 873.336339][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 873.336339][ T73] addrconf_join_anycast+0x1c0/0x220 [ 873.336339][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 873.336339][ T73] addrconf_dad_completed+0x12b/0xe20 [ 873.336339][ T73] addrconf_dad_begin+0x310/0x670 [ 873.336339][ T73] addrconf_dad_work+0x10b/0xab0 [ 873.336339][ T73] process_one_work+0x84d/0x18a0 [ 873.336339][ T73] worker_thread+0x587/0xd30 [ 873.336339][ T73] kthread+0x28a/0x350 [ 873.336339][ T73] ret_from_fork+0x31/0x70 [ 873.336339][ T73] ret_from_fork_asm+0x1a/0x30 [ 873.336339][ T73] [ 873.338732][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 873.338732][ T73] netdev_get_by_index+0x5e/0x80 [ 873.338732][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.338732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.338732][ T73] ip6_route_add+0x1c/0x140 [ 873.338732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 873.338732][ T73] inet6_addr_add+0x4f8/0xa40 [ 873.338732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.338732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.338732][ T73] netlink_rcv_skb+0x130/0x360 [ 873.338732][ T73] netlink_unicast+0x449/0x710 [ 873.338732][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.338732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.338732][ T73] ___sys_sendmsg+0xee/0x170 [ 873.338732][ T73] __sys_sendmsg+0xcd/0x170 [ 873.338732][ T73] do_syscall_64+0xc6/0x1e0 [ 873.338732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.338732][ T73] [ 873.340825][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 873.340825][ T73] netdev_get_by_index+0x5e/0x80 [ 873.340825][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.340825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.340825][ T73] addrconf_f6i_alloc+0x315/0x560 [ 873.340825][ T73] ipv6_add_addr+0x411/0x2000 [ 873.340825][ T73] inet6_addr_add+0x30e/0xa40 [ 873.340825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.340825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.340825][ T73] netlink_rcv_skb+0x130/0x360 [ 873.340825][ T73] netlink_unicast+0x449/0x710 [ 873.340825][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.340825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.340825][ T73] ___sys_sendmsg+0xee/0x170 [ 873.340825][ T73] __sys_sendmsg+0xcd/0x170 [ 873.340825][ T73] do_syscall_64+0xc6/0x1e0 [ 873.340825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.340825][ T73] [ 873.342974][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 873.342974][ T73] netdev_get_by_index+0x5e/0x80 [ 873.342974][ T73] fib6_nh_init+0x3d8/0x1580 [ 873.342974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 873.342974][ T73] ip6_route_add+0x1c/0x140 [ 873.342974][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 873.342974][ T73] addrconf_add_dev+0xe2/0x170 [ 873.342974][ T73] inet6_addr_add+0x12f/0xa40 [ 873.342974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 873.342974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.342974][ T73] netlink_rcv_skb+0x130/0x360 [ 873.342974][ T73] netlink_unicast+0x449/0x710 [ 873.342974][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.342974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.342974][ T73] ___sys_sendmsg+0xee/0x170 [ 873.342974][ T73] __sys_sendmsg+0xcd/0x170 [ 873.342974][ T73] do_syscall_64+0xc6/0x1e0 [ 873.342974][ T73] [ 873.345129][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 873.345129][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 873.345129][ T73] ipv6_find_idev+0x102/0x170 [ 873.345129][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.345129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.345129][ T73] netlink_rcv_skb+0x130/0x360 [ 873.345129][ T73] netlink_unicast+0x449/0x710 [ 873.345129][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.345129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.345129][ T73] ___sys_sendmsg+0xee/0x170 [ 873.345129][ T73] __sys_sendmsg+0xcd/0x170 [ 873.345129][ T73] do_syscall_64+0xc6/0x1e0 [ 873.345129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.345129][ T73] [ 873.346909][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 873.346909][ T73] neigh_parms_alloc+0x1e5/0x510 [ 873.346909][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 873.346909][ T73] ipv6_find_idev+0x102/0x170 [ 873.346909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 873.346909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 873.346909][ T73] netlink_rcv_skb+0x130/0x360 [ 873.346909][ T73] netlink_unicast+0x449/0x710 [ 873.346909][ T73] netlink_sendmsg+0x723/0xbe0 [ 873.346909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 873.346909][ T73] ___sys_sendmsg+0xee/0x170 [ 873.346909][ T73] __sys_sendmsg+0xcd/0x170 [ 873.346909][ T73] do_syscall_64+0xc6/0x1e0 [ 873.346909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 873.346909][ T73] [ 883.350920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 883.351398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.351398][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 883.351398][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 883.351398][ T73] fib6_nh_init+0xa22/0x1580 [ 883.351398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.351398][ T73] ip6_route_add+0x1c/0x140 [ 883.351398][ T73] inet6_rtm_newroute+0x104/0x110 [ 883.351398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.351398][ T73] netlink_rcv_skb+0x130/0x360 [ 883.351398][ T73] netlink_unicast+0x449/0x710 [ 883.351398][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.351398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.351398][ T73] ___sys_sendmsg+0xee/0x170 [ 883.351398][ T73] __sys_sendmsg+0xcd/0x170 [ 883.351398][ T73] do_syscall_64+0xc6/0x1e0 [ 883.351398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.351398][ T73] [ 883.353286][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.353286][ T73] dst_init+0x84/0x4a0 [ 883.353286][ T73] dst_alloc+0x97/0x150 [ 883.353286][ T73] ip6_dst_alloc+0x23/0x90 [ 883.353286][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 883.353286][ T73] ip6_pol_route+0x56f/0x840 [ 883.353286][ T73] fib6_rule_lookup+0x456/0x630 [ 883.353286][ T73] ip6_route_input+0x59c/0xa50 [ 883.353286][ T73] ipv6_rcv+0x397/0x810 [ 883.353286][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 883.353286][ T73] process_backlog+0x101/0x620 [ 883.353286][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 883.353286][ T73] net_rx_action+0x495/0xbe0 [ 883.353286][ T73] __do_softirq+0x1b5/0x7f6 [ 883.353286][ T73] [ 883.354918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.354918][ T73] netdev_get_by_index+0x5e/0x80 [ 883.354918][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.354918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.354918][ T73] ip6_route_add+0x1c/0x140 [ 883.354918][ T73] addrconf_prefix_route+0x2a6/0x430 [ 883.354918][ T73] inet6_addr_add+0x4f8/0xa40 [ 883.354918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.354918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.354918][ T73] netlink_rcv_skb+0x130/0x360 [ 883.354918][ T73] netlink_unicast+0x449/0x710 [ 883.354918][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.354918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.354918][ T73] ___sys_sendmsg+0xee/0x170 [ 883.354918][ T73] __sys_sendmsg+0xcd/0x170 [ 883.354918][ T73] do_syscall_64+0xc6/0x1e0 [ 883.354918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.354918][ T73] [ 883.356914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.356914][ T73] netdev_get_by_index+0x5e/0x80 [ 883.356914][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.356914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.356914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 883.356914][ T73] ipv6_add_addr+0x411/0x2000 [ 883.356914][ T73] inet6_addr_add+0x30e/0xa40 [ 883.356914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.356914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.356914][ T73] netlink_rcv_skb+0x130/0x360 [ 883.356914][ T73] netlink_unicast+0x449/0x710 [ 883.356914][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.356914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.356914][ T73] ___sys_sendmsg+0xee/0x170 [ 883.356914][ T73] __sys_sendmsg+0xcd/0x170 [ 883.356914][ T73] do_syscall_64+0xc6/0x1e0 [ 883.356914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.356914][ T73] [ 883.358920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.358920][ T73] netdev_get_by_index+0x5e/0x80 [ 883.358920][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.358920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.358920][ T73] ip6_route_add+0x1c/0x140 [ 883.358920][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 883.358920][ T73] addrconf_add_dev+0xe2/0x170 [ 883.358920][ T73] inet6_addr_add+0x12f/0xa40 [ 883.358920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.358920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.358920][ T73] netlink_rcv_skb+0x130/0x360 [ 883.358920][ T73] netlink_unicast+0x449/0x710 [ 883.358920][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.358920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.358920][ T73] ___sys_sendmsg+0xee/0x170 [ 883.358920][ T73] __sys_sendmsg+0xcd/0x170 [ 883.358920][ T73] do_syscall_64+0xc6/0x1e0 [ 883.358920][ T73] [ 883.360887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.360887][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 883.360887][ T73] ipv6_find_idev+0x102/0x170 [ 883.360887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.360887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.360887][ T73] netlink_rcv_skb+0x130/0x360 [ 883.360887][ T73] netlink_unicast+0x449/0x710 [ 883.360887][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.360887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.360887][ T73] ___sys_sendmsg+0xee/0x170 [ 883.360887][ T73] __sys_sendmsg+0xcd/0x170 [ 883.360887][ T73] do_syscall_64+0xc6/0x1e0 [ 883.360887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.360887][ T73] [ 883.362425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 883.362425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 883.362425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 883.362425][ T73] ipv6_find_idev+0x102/0x170 [ 883.362425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.362425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.362425][ T73] netlink_rcv_skb+0x130/0x360 [ 883.362425][ T73] netlink_unicast+0x449/0x710 [ 883.362425][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.362425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.362425][ T73] ___sys_sendmsg+0xee/0x170 [ 883.362425][ T73] __sys_sendmsg+0xcd/0x170 [ 883.362425][ T73] do_syscall_64+0xc6/0x1e0 [ 883.362425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.362425][ T73] [ 883.364116][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 883.364393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.364393][ T73] dst_init+0x84/0x4a0 [ 883.364393][ T73] dst_alloc+0x97/0x150 [ 883.364393][ T73] ip6_dst_alloc+0x23/0x90 [ 883.364393][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 883.364393][ T73] ip6_pol_route+0x56f/0x840 [ 883.364393][ T73] fib6_rule_lookup+0x456/0x630 [ 883.364393][ T73] ip6_route_input+0x59c/0xa50 [ 883.364393][ T73] ipv6_rcv+0x397/0x810 [ 883.364393][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 883.364393][ T73] process_backlog+0x101/0x620 [ 883.364393][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 883.364393][ T73] net_rx_action+0x495/0xbe0 [ 883.364393][ T73] __do_softirq+0x1b5/0x7f6 [ 883.364393][ T73] [ 883.366034][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.366034][ T73] netdev_get_by_index+0x5e/0x80 [ 883.366034][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.366034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.366034][ T73] addrconf_f6i_alloc+0x265/0x560 [ 883.366034][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 883.366034][ T73] addrconf_join_anycast+0x1c0/0x220 [ 883.366034][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 883.366034][ T73] addrconf_dad_completed+0x12b/0xe20 [ 883.366034][ T73] addrconf_dad_begin+0x310/0x670 [ 883.366034][ T73] addrconf_dad_work+0x10b/0xab0 [ 883.366034][ T73] process_one_work+0x84d/0x18a0 [ 883.366034][ T73] worker_thread+0x587/0xd30 [ 883.366034][ T73] kthread+0x28a/0x350 [ 883.366034][ T73] ret_from_fork+0x31/0x70 [ 883.366034][ T73] ret_from_fork_asm+0x1a/0x30 [ 883.366034][ T73] [ 883.367942][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.367942][ T73] netdev_get_by_index+0x5e/0x80 [ 883.367942][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.367942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.367942][ T73] ip6_route_add+0x1c/0x140 [ 883.367942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 883.367942][ T73] inet6_addr_add+0x4f8/0xa40 [ 883.367942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.367942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.367942][ T73] netlink_rcv_skb+0x130/0x360 [ 883.367942][ T73] netlink_unicast+0x449/0x710 [ 883.367942][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.367942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.367942][ T73] ___sys_sendmsg+0xee/0x170 [ 883.367942][ T73] __sys_sendmsg+0xcd/0x170 [ 883.367942][ T73] do_syscall_64+0xc6/0x1e0 [ 883.367942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.367942][ T73] [ 883.369935][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.369935][ T73] netdev_get_by_index+0x5e/0x80 [ 883.369935][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.369935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.369935][ T73] addrconf_f6i_alloc+0x315/0x560 [ 883.369935][ T73] ipv6_add_addr+0x411/0x2000 [ 883.369935][ T73] inet6_addr_add+0x30e/0xa40 [ 883.369935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.369935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.369935][ T73] netlink_rcv_skb+0x130/0x360 [ 883.369935][ T73] netlink_unicast+0x449/0x710 [ 883.369935][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.369935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.369935][ T73] ___sys_sendmsg+0xee/0x170 [ 883.369935][ T73] __sys_sendmsg+0xcd/0x170 [ 883.369935][ T73] do_syscall_64+0xc6/0x1e0 [ 883.369935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.369935][ T73] [ 883.371931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.371931][ T73] netdev_get_by_index+0x5e/0x80 [ 883.371931][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.371931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.371931][ T73] ip6_route_add+0x1c/0x140 [ 883.371931][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 883.371931][ T73] addrconf_add_dev+0xe2/0x170 [ 883.371931][ T73] inet6_addr_add+0x12f/0xa40 [ 883.371931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.371931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.371931][ T73] netlink_rcv_skb+0x130/0x360 [ 883.371931][ T73] netlink_unicast+0x449/0x710 [ 883.371931][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.371931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.371931][ T73] ___sys_sendmsg+0xee/0x170 [ 883.371931][ T73] __sys_sendmsg+0xcd/0x170 [ 883.371931][ T73] do_syscall_64+0xc6/0x1e0 [ 883.371931][ T73] [ 883.373881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.373881][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 883.373881][ T73] ipv6_find_idev+0x102/0x170 [ 883.373881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.373881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.373881][ T73] netlink_rcv_skb+0x130/0x360 [ 883.373881][ T73] netlink_unicast+0x449/0x710 [ 883.373881][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.373881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.373881][ T73] ___sys_sendmsg+0xee/0x170 [ 883.373881][ T73] __sys_sendmsg+0xcd/0x170 [ 883.373881][ T73] do_syscall_64+0xc6/0x1e0 [ 883.373881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.373881][ T73] [ 883.375408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 883.375408][ T73] neigh_parms_alloc+0x1e5/0x510 [ 883.375408][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 883.375408][ T73] ipv6_find_idev+0x102/0x170 [ 883.375408][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.375408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.375408][ T73] netlink_rcv_skb+0x130/0x360 [ 883.375408][ T73] netlink_unicast+0x449/0x710 [ 883.375408][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.375408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.375408][ T73] ___sys_sendmsg+0xee/0x170 [ 883.375408][ T73] __sys_sendmsg+0xcd/0x170 [ 883.375408][ T73] do_syscall_64+0xc6/0x1e0 [ 883.375408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.375408][ T73] [ 883.377253][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 883.377526][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.377526][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 883.377526][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 883.377526][ T73] fib6_nh_init+0xa22/0x1580 [ 883.377526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.377526][ T73] ip6_route_add+0x1c/0x140 [ 883.377526][ T73] inet6_rtm_newroute+0x104/0x110 [ 883.377526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.377526][ T73] netlink_rcv_skb+0x130/0x360 [ 883.377526][ T73] netlink_unicast+0x449/0x710 [ 883.377526][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.377526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.377526][ T73] ___sys_sendmsg+0xee/0x170 [ 883.377526][ T73] __sys_sendmsg+0xcd/0x170 [ 883.377526][ T73] do_syscall_64+0xc6/0x1e0 [ 883.377526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.377526][ T73] [ 883.379634][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.379634][ T73] dst_init+0x84/0x4a0 [ 883.379634][ T73] dst_alloc+0x97/0x150 [ 883.379634][ T73] ip6_dst_alloc+0x23/0x90 [ 883.379634][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 883.379634][ T73] ip6_pol_route+0x56f/0x840 [ 883.379634][ T73] fib6_rule_lookup+0x456/0x630 [ 883.379634][ T73] ip6_route_input+0x59c/0xa50 [ 883.379634][ T73] ipv6_rcv+0x397/0x810 [ 883.379634][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 883.379634][ T73] process_backlog+0x101/0x620 [ 883.379634][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 883.379634][ T73] net_rx_action+0x495/0xbe0 [ 883.379634][ T73] __do_softirq+0x1b5/0x7f6 [ 883.379634][ T73] [ 883.381438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.381438][ T73] netdev_get_by_index+0x5e/0x80 [ 883.381438][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.381438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.381438][ T73] ip6_route_add+0x1c/0x140 [ 883.381438][ T73] addrconf_prefix_route+0x2a6/0x430 [ 883.381438][ T73] inet6_addr_add+0x4f8/0xa40 [ 883.381438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.381438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.381438][ T73] netlink_rcv_skb+0x130/0x360 [ 883.381438][ T73] netlink_unicast+0x449/0x710 [ 883.381438][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.381438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.381438][ T73] ___sys_sendmsg+0xee/0x170 [ 883.381438][ T73] __sys_sendmsg+0xcd/0x170 [ 883.381438][ T73] do_syscall_64+0xc6/0x1e0 [ 883.381438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.381438][ T73] [ 883.383680][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.383680][ T73] netdev_get_by_index+0x5e/0x80 [ 883.383680][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.383680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.383680][ T73] addrconf_f6i_alloc+0x315/0x560 [ 883.383680][ T73] ipv6_add_addr+0x411/0x2000 [ 883.383680][ T73] inet6_addr_add+0x30e/0xa40 [ 883.383680][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.383680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.383680][ T73] netlink_rcv_skb+0x130/0x360 [ 883.383680][ T73] netlink_unicast+0x449/0x710 [ 883.383680][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.383680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.383680][ T73] ___sys_sendmsg+0xee/0x170 [ 883.383680][ T73] __sys_sendmsg+0xcd/0x170 [ 883.383680][ T73] do_syscall_64+0xc6/0x1e0 [ 883.383680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.383680][ T73] [ 883.385972][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.385972][ T73] netdev_get_by_index+0x5e/0x80 [ 883.385972][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.385972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.385972][ T73] ip6_route_add+0x1c/0x140 [ 883.385972][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 883.385972][ T73] addrconf_add_dev+0xe2/0x170 [ 883.385972][ T73] inet6_addr_add+0x12f/0xa40 [ 883.385972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.385972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.385972][ T73] netlink_rcv_skb+0x130/0x360 [ 883.385972][ T73] netlink_unicast+0x449/0x710 [ 883.385972][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.385972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.385972][ T73] ___sys_sendmsg+0xee/0x170 [ 883.385972][ T73] __sys_sendmsg+0xcd/0x170 [ 883.385972][ T73] do_syscall_64+0xc6/0x1e0 [ 883.385972][ T73] [ 883.388172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.388172][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 883.388172][ T73] ipv6_find_idev+0x102/0x170 [ 883.388172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.388172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.388172][ T73] netlink_rcv_skb+0x130/0x360 [ 883.388172][ T73] netlink_unicast+0x449/0x710 [ 883.388172][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.388172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.388172][ T73] ___sys_sendmsg+0xee/0x170 [ 883.388172][ T73] __sys_sendmsg+0xcd/0x170 [ 883.388172][ T73] do_syscall_64+0xc6/0x1e0 [ 883.388172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.388172][ T73] [ 883.389820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 883.389820][ T73] neigh_parms_alloc+0x1e5/0x510 [ 883.389820][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 883.389820][ T73] ipv6_find_idev+0x102/0x170 [ 883.389820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.389820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.389820][ T73] netlink_rcv_skb+0x130/0x360 [ 883.389820][ T73] netlink_unicast+0x449/0x710 [ 883.389820][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.389820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.389820][ T73] ___sys_sendmsg+0xee/0x170 [ 883.389820][ T73] __sys_sendmsg+0xcd/0x170 [ 883.389820][ T73] do_syscall_64+0xc6/0x1e0 [ 883.389820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.389820][ T73] [ 883.391767][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 883.392049][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 883.392049][ T73] netdev_get_by_index+0x5e/0x80 [ 883.392049][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.392049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.392049][ T73] addrconf_f6i_alloc+0x265/0x560 [ 883.392049][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 883.392049][ T73] addrconf_join_anycast+0x1c0/0x220 [ 883.392049][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 883.392049][ T73] addrconf_dad_completed+0x12b/0xe20 [ 883.392049][ T73] addrconf_dad_begin+0x310/0x670 [ 883.392049][ T73] addrconf_dad_work+0x10b/0xab0 [ 883.392049][ T73] process_one_work+0x84d/0x18a0 [ 883.392049][ T73] worker_thread+0x587/0xd30 [ 883.392049][ T73] kthread+0x28a/0x350 [ 883.392049][ T73] ret_from_fork+0x31/0x70 [ 883.392049][ T73] ret_from_fork_asm+0x1a/0x30 [ 883.392049][ T73] [ 883.394251][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 883.394251][ T73] netdev_get_by_index+0x5e/0x80 [ 883.394251][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.394251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.394251][ T73] ip6_route_add+0x1c/0x140 [ 883.394251][ T73] addrconf_prefix_route+0x2a6/0x430 [ 883.394251][ T73] inet6_addr_add+0x4f8/0xa40 [ 883.394251][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.394251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.394251][ T73] netlink_rcv_skb+0x130/0x360 [ 883.394251][ T73] netlink_unicast+0x449/0x710 [ 883.394251][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.394251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.394251][ T73] ___sys_sendmsg+0xee/0x170 [ 883.394251][ T73] __sys_sendmsg+0xcd/0x170 [ 883.394251][ T73] do_syscall_64+0xc6/0x1e0 [ 883.394251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.394251][ T73] [ 883.396586][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 883.396586][ T73] netdev_get_by_index+0x5e/0x80 [ 883.396586][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.396586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.396586][ T73] addrconf_f6i_alloc+0x315/0x560 [ 883.396586][ T73] ipv6_add_addr+0x411/0x2000 [ 883.396586][ T73] inet6_addr_add+0x30e/0xa40 [ 883.396586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.396586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.396586][ T73] netlink_rcv_skb+0x130/0x360 [ 883.396586][ T73] netlink_unicast+0x449/0x710 [ 883.396586][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.396586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.396586][ T73] ___sys_sendmsg+0xee/0x170 [ 883.396586][ T73] __sys_sendmsg+0xcd/0x170 [ 883.396586][ T73] do_syscall_64+0xc6/0x1e0 [ 883.396586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.396586][ T73] [ 883.399451][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 883.399451][ T73] netdev_get_by_index+0x5e/0x80 [ 883.399451][ T73] fib6_nh_init+0x3d8/0x1580 [ 883.399451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 883.399451][ T73] ip6_route_add+0x1c/0x140 [ 883.399451][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 883.399451][ T73] addrconf_add_dev+0xe2/0x170 [ 883.399451][ T73] inet6_addr_add+0x12f/0xa40 [ 883.399451][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 883.399451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.399451][ T73] netlink_rcv_skb+0x130/0x360 [ 883.399451][ T73] netlink_unicast+0x449/0x710 [ 883.399451][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.399451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.399451][ T73] ___sys_sendmsg+0xee/0x170 [ 883.399451][ T73] __sys_sendmsg+0xcd/0x170 [ 883.399451][ T73] do_syscall_64+0xc6/0x1e0 [ 883.399451][ T73] [ 883.402716][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 883.402716][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 883.402716][ T73] ipv6_find_idev+0x102/0x170 [ 883.402716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.402716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.402716][ T73] netlink_rcv_skb+0x130/0x360 [ 883.402716][ T73] netlink_unicast+0x449/0x710 [ 883.402716][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.402716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.402716][ T73] ___sys_sendmsg+0xee/0x170 [ 883.402716][ T73] __sys_sendmsg+0xcd/0x170 [ 883.402716][ T73] do_syscall_64+0xc6/0x1e0 [ 883.402716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.402716][ T73] [ 883.405262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 883.405262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 883.405262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 883.405262][ T73] ipv6_find_idev+0x102/0x170 [ 883.405262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 883.405262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 883.405262][ T73] netlink_rcv_skb+0x130/0x360 [ 883.405262][ T73] netlink_unicast+0x449/0x710 [ 883.405262][ T73] netlink_sendmsg+0x723/0xbe0 [ 883.405262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 883.405262][ T73] ___sys_sendmsg+0xee/0x170 [ 883.405262][ T73] __sys_sendmsg+0xcd/0x170 [ 883.405262][ T73] do_syscall_64+0xc6/0x1e0 [ 883.405262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 883.405262][ T73] [ 893.606868][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 893.607315][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.607315][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 893.607315][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 893.607315][ T73] fib6_nh_init+0xa22/0x1580 [ 893.607315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.607315][ T73] ip6_route_add+0x1c/0x140 [ 893.607315][ T73] inet6_rtm_newroute+0x104/0x110 [ 893.607315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.607315][ T73] netlink_rcv_skb+0x130/0x360 [ 893.607315][ T73] netlink_unicast+0x449/0x710 [ 893.607315][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.607315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.607315][ T73] ___sys_sendmsg+0xee/0x170 [ 893.607315][ T73] __sys_sendmsg+0xcd/0x170 [ 893.607315][ T73] do_syscall_64+0xc6/0x1e0 [ 893.607315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.607315][ T73] [ 893.609427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.609427][ T73] dst_init+0x84/0x4a0 [ 893.609427][ T73] dst_alloc+0x97/0x150 [ 893.609427][ T73] ip6_dst_alloc+0x23/0x90 [ 893.609427][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 893.609427][ T73] ip6_pol_route+0x56f/0x840 [ 893.609427][ T73] fib6_rule_lookup+0x456/0x630 [ 893.609427][ T73] ip6_route_input+0x59c/0xa50 [ 893.609427][ T73] ipv6_rcv+0x397/0x810 [ 893.609427][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 893.609427][ T73] process_backlog+0x101/0x620 [ 893.609427][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 893.609427][ T73] net_rx_action+0x495/0xbe0 [ 893.609427][ T73] __do_softirq+0x1b5/0x7f6 [ 893.609427][ T73] [ 893.611113][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.611113][ T73] netdev_get_by_index+0x5e/0x80 [ 893.611113][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.611113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.611113][ T73] ip6_route_add+0x1c/0x140 [ 893.611113][ T73] addrconf_prefix_route+0x2a6/0x430 [ 893.611113][ T73] inet6_addr_add+0x4f8/0xa40 [ 893.611113][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.611113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.611113][ T73] netlink_rcv_skb+0x130/0x360 [ 893.611113][ T73] netlink_unicast+0x449/0x710 [ 893.611113][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.611113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.611113][ T73] ___sys_sendmsg+0xee/0x170 [ 893.611113][ T73] __sys_sendmsg+0xcd/0x170 [ 893.611113][ T73] do_syscall_64+0xc6/0x1e0 [ 893.611113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.611113][ T73] [ 893.613177][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.613177][ T73] netdev_get_by_index+0x5e/0x80 [ 893.613177][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.613177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.613177][ T73] addrconf_f6i_alloc+0x315/0x560 [ 893.613177][ T73] ipv6_add_addr+0x411/0x2000 [ 893.613177][ T73] inet6_addr_add+0x30e/0xa40 [ 893.613177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.613177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.613177][ T73] netlink_rcv_skb+0x130/0x360 [ 893.613177][ T73] netlink_unicast+0x449/0x710 [ 893.613177][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.613177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.613177][ T73] ___sys_sendmsg+0xee/0x170 [ 893.613177][ T73] __sys_sendmsg+0xcd/0x170 [ 893.613177][ T73] do_syscall_64+0xc6/0x1e0 [ 893.613177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.613177][ T73] [ 893.615364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.615364][ T73] netdev_get_by_index+0x5e/0x80 [ 893.615364][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.615364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.615364][ T73] ip6_route_add+0x1c/0x140 [ 893.615364][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 893.615364][ T73] addrconf_add_dev+0xe2/0x170 [ 893.615364][ T73] inet6_addr_add+0x12f/0xa40 [ 893.615364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.615364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.615364][ T73] netlink_rcv_skb+0x130/0x360 [ 893.615364][ T73] netlink_unicast+0x449/0x710 [ 893.615364][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.615364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.615364][ T73] ___sys_sendmsg+0xee/0x170 [ 893.615364][ T73] __sys_sendmsg+0xcd/0x170 [ 893.615364][ T73] do_syscall_64+0xc6/0x1e0 [ 893.615364][ T73] [ 893.617472][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.617472][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 893.617472][ T73] ipv6_find_idev+0x102/0x170 [ 893.617472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.617472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.617472][ T73] netlink_rcv_skb+0x130/0x360 [ 893.617472][ T73] netlink_unicast+0x449/0x710 [ 893.617472][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.617472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.617472][ T73] ___sys_sendmsg+0xee/0x170 [ 893.617472][ T73] __sys_sendmsg+0xcd/0x170 [ 893.617472][ T73] do_syscall_64+0xc6/0x1e0 [ 893.617472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.617472][ T73] [ 893.619041][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 893.619041][ T73] neigh_parms_alloc+0x1e5/0x510 [ 893.619041][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 893.619041][ T73] ipv6_find_idev+0x102/0x170 [ 893.619041][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.619041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.619041][ T73] netlink_rcv_skb+0x130/0x360 [ 893.619041][ T73] netlink_unicast+0x449/0x710 [ 893.619041][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.619041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.619041][ T73] ___sys_sendmsg+0xee/0x170 [ 893.619041][ T73] __sys_sendmsg+0xcd/0x170 [ 893.619041][ T73] do_syscall_64+0xc6/0x1e0 [ 893.619041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.619041][ T73] [ 893.620810][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 893.621101][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.621101][ T73] dst_init+0x84/0x4a0 [ 893.621101][ T73] dst_alloc+0x97/0x150 [ 893.621101][ T73] ip6_dst_alloc+0x23/0x90 [ 893.621101][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 893.621101][ T73] ip6_pol_route+0x56f/0x840 [ 893.621101][ T73] fib6_rule_lookup+0x456/0x630 [ 893.621101][ T73] ip6_route_input+0x59c/0xa50 [ 893.621101][ T73] ipv6_rcv+0x397/0x810 [ 893.621101][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 893.621101][ T73] process_backlog+0x101/0x620 [ 893.621101][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 893.621101][ T73] net_rx_action+0x495/0xbe0 [ 893.621101][ T73] __do_softirq+0x1b5/0x7f6 [ 893.621101][ T73] [ 893.622797][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.622797][ T73] netdev_get_by_index+0x5e/0x80 [ 893.622797][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.622797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.622797][ T73] addrconf_f6i_alloc+0x265/0x560 [ 893.622797][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 893.622797][ T73] addrconf_join_anycast+0x1c0/0x220 [ 893.622797][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 893.622797][ T73] addrconf_dad_completed+0x12b/0xe20 [ 893.622797][ T73] addrconf_dad_begin+0x310/0x670 [ 893.622797][ T73] addrconf_dad_work+0x10b/0xab0 [ 893.622797][ T73] process_one_work+0x84d/0x18a0 [ 893.622797][ T73] worker_thread+0x587/0xd30 [ 893.622797][ T73] kthread+0x28a/0x350 [ 893.622797][ T73] ret_from_fork+0x31/0x70 [ 893.622797][ T73] ret_from_fork_asm+0x1a/0x30 [ 893.622797][ T73] [ 893.624750][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.624750][ T73] netdev_get_by_index+0x5e/0x80 [ 893.624750][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.624750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.624750][ T73] ip6_route_add+0x1c/0x140 [ 893.624750][ T73] addrconf_prefix_route+0x2a6/0x430 [ 893.624750][ T73] inet6_addr_add+0x4f8/0xa40 [ 893.624750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.624750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.624750][ T73] netlink_rcv_skb+0x130/0x360 [ 893.624750][ T73] netlink_unicast+0x449/0x710 [ 893.624750][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.624750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.624750][ T73] ___sys_sendmsg+0xee/0x170 [ 893.624750][ T73] __sys_sendmsg+0xcd/0x170 [ 893.624750][ T73] do_syscall_64+0xc6/0x1e0 [ 893.624750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.624750][ T73] [ 893.626795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.626795][ T73] netdev_get_by_index+0x5e/0x80 [ 893.626795][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.626795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.626795][ T73] addrconf_f6i_alloc+0x315/0x560 [ 893.626795][ T73] ipv6_add_addr+0x411/0x2000 [ 893.626795][ T73] inet6_addr_add+0x30e/0xa40 [ 893.626795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.626795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.626795][ T73] netlink_rcv_skb+0x130/0x360 [ 893.626795][ T73] netlink_unicast+0x449/0x710 [ 893.626795][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.626795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.626795][ T73] ___sys_sendmsg+0xee/0x170 [ 893.626795][ T73] __sys_sendmsg+0xcd/0x170 [ 893.626795][ T73] do_syscall_64+0xc6/0x1e0 [ 893.626795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.626795][ T73] [ 893.628830][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.628830][ T73] netdev_get_by_index+0x5e/0x80 [ 893.628830][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.628830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.628830][ T73] ip6_route_add+0x1c/0x140 [ 893.628830][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 893.628830][ T73] addrconf_add_dev+0xe2/0x170 [ 893.628830][ T73] inet6_addr_add+0x12f/0xa40 [ 893.628830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.628830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.628830][ T73] netlink_rcv_skb+0x130/0x360 [ 893.628830][ T73] netlink_unicast+0x449/0x710 [ 893.628830][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.628830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.628830][ T73] ___sys_sendmsg+0xee/0x170 [ 893.628830][ T73] __sys_sendmsg+0xcd/0x170 [ 893.628830][ T73] do_syscall_64+0xc6/0x1e0 [ 893.628830][ T73] [ 893.630824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.630824][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 893.630824][ T73] ipv6_find_idev+0x102/0x170 [ 893.630824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.630824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.630824][ T73] netlink_rcv_skb+0x130/0x360 [ 893.630824][ T73] netlink_unicast+0x449/0x710 [ 893.630824][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.630824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.630824][ T73] ___sys_sendmsg+0xee/0x170 [ 893.630824][ T73] __sys_sendmsg+0xcd/0x170 [ 893.630824][ T73] do_syscall_64+0xc6/0x1e0 [ 893.630824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.630824][ T73] [ 893.632386][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 893.632386][ T73] neigh_parms_alloc+0x1e5/0x510 [ 893.632386][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 893.632386][ T73] ipv6_find_idev+0x102/0x170 [ 893.632386][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.632386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.632386][ T73] netlink_rcv_skb+0x130/0x360 [ 893.632386][ T73] netlink_unicast+0x449/0x710 [ 893.632386][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.632386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.632386][ T73] ___sys_sendmsg+0xee/0x170 [ 893.632386][ T73] __sys_sendmsg+0xcd/0x170 [ 893.632386][ T73] do_syscall_64+0xc6/0x1e0 [ 893.632386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.632386][ T73] [ 893.634185][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 893.634463][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.634463][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 893.634463][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 893.634463][ T73] fib6_nh_init+0xa22/0x1580 [ 893.634463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.634463][ T73] ip6_route_add+0x1c/0x140 [ 893.634463][ T73] inet6_rtm_newroute+0x104/0x110 [ 893.634463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.634463][ T73] netlink_rcv_skb+0x130/0x360 [ 893.634463][ T73] netlink_unicast+0x449/0x710 [ 893.634463][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.634463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.634463][ T73] ___sys_sendmsg+0xee/0x170 [ 893.634463][ T73] __sys_sendmsg+0xcd/0x170 [ 893.634463][ T73] do_syscall_64+0xc6/0x1e0 [ 893.634463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.634463][ T73] [ 893.636502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.636502][ T73] dst_init+0x84/0x4a0 [ 893.636502][ T73] dst_alloc+0x97/0x150 [ 893.636502][ T73] ip6_dst_alloc+0x23/0x90 [ 893.636502][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 893.636502][ T73] ip6_pol_route+0x56f/0x840 [ 893.636502][ T73] fib6_rule_lookup+0x456/0x630 [ 893.636502][ T73] ip6_route_input+0x59c/0xa50 [ 893.636502][ T73] ipv6_rcv+0x397/0x810 [ 893.636502][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 893.636502][ T73] process_backlog+0x101/0x620 [ 893.636502][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 893.636502][ T73] net_rx_action+0x495/0xbe0 [ 893.636502][ T73] __do_softirq+0x1b5/0x7f6 [ 893.636502][ T73] [ 893.638288][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.638288][ T73] netdev_get_by_index+0x5e/0x80 [ 893.638288][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.638288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.638288][ T73] ip6_route_add+0x1c/0x140 [ 893.638288][ T73] addrconf_prefix_route+0x2a6/0x430 [ 893.638288][ T73] inet6_addr_add+0x4f8/0xa40 [ 893.638288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.638288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.638288][ T73] netlink_rcv_skb+0x130/0x360 [ 893.638288][ T73] netlink_unicast+0x449/0x710 [ 893.638288][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.638288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.638288][ T73] ___sys_sendmsg+0xee/0x170 [ 893.638288][ T73] __sys_sendmsg+0xcd/0x170 [ 893.638288][ T73] do_syscall_64+0xc6/0x1e0 [ 893.638288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.638288][ T73] [ 893.640438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.640438][ T73] netdev_get_by_index+0x5e/0x80 [ 893.640438][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.640438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.640438][ T73] addrconf_f6i_alloc+0x315/0x560 [ 893.640438][ T73] ipv6_add_addr+0x411/0x2000 [ 893.640438][ T73] inet6_addr_add+0x30e/0xa40 [ 893.640438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.640438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.640438][ T73] netlink_rcv_skb+0x130/0x360 [ 893.640438][ T73] netlink_unicast+0x449/0x710 [ 893.640438][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.640438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.640438][ T73] ___sys_sendmsg+0xee/0x170 [ 893.640438][ T73] __sys_sendmsg+0xcd/0x170 [ 893.640438][ T73] do_syscall_64+0xc6/0x1e0 [ 893.640438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.640438][ T73] [ 893.642699][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.642699][ T73] netdev_get_by_index+0x5e/0x80 [ 893.642699][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.642699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.642699][ T73] ip6_route_add+0x1c/0x140 [ 893.642699][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 893.642699][ T73] addrconf_add_dev+0xe2/0x170 [ 893.642699][ T73] inet6_addr_add+0x12f/0xa40 [ 893.642699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.642699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.642699][ T73] netlink_rcv_skb+0x130/0x360 [ 893.642699][ T73] netlink_unicast+0x449/0x710 [ 893.642699][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.642699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.642699][ T73] ___sys_sendmsg+0xee/0x170 [ 893.642699][ T73] __sys_sendmsg+0xcd/0x170 [ 893.642699][ T73] do_syscall_64+0xc6/0x1e0 [ 893.642699][ T73] [ 893.645012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.645012][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 893.645012][ T73] ipv6_find_idev+0x102/0x170 [ 893.645012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.645012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.645012][ T73] netlink_rcv_skb+0x130/0x360 [ 893.645012][ T73] netlink_unicast+0x449/0x710 [ 893.645012][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.645012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.645012][ T73] ___sys_sendmsg+0xee/0x170 [ 893.645012][ T73] __sys_sendmsg+0xcd/0x170 [ 893.645012][ T73] do_syscall_64+0xc6/0x1e0 [ 893.645012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.645012][ T73] [ 893.646786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 893.646786][ T73] neigh_parms_alloc+0x1e5/0x510 [ 893.646786][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 893.646786][ T73] ipv6_find_idev+0x102/0x170 [ 893.646786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.646786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.646786][ T73] netlink_rcv_skb+0x130/0x360 [ 893.646786][ T73] netlink_unicast+0x449/0x710 [ 893.646786][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.646786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.646786][ T73] ___sys_sendmsg+0xee/0x170 [ 893.646786][ T73] __sys_sendmsg+0xcd/0x170 [ 893.646786][ T73] do_syscall_64+0xc6/0x1e0 [ 893.646786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.646786][ T73] [ 893.648810][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 893.649120][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 893.649120][ T73] netdev_get_by_index+0x5e/0x80 [ 893.649120][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.649120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.649120][ T73] addrconf_f6i_alloc+0x265/0x560 [ 893.649120][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 893.649120][ T73] addrconf_join_anycast+0x1c0/0x220 [ 893.649120][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 893.649120][ T73] addrconf_dad_completed+0x12b/0xe20 [ 893.649120][ T73] addrconf_dad_begin+0x310/0x670 [ 893.649120][ T73] addrconf_dad_work+0x10b/0xab0 [ 893.649120][ T73] process_one_work+0x84d/0x18a0 [ 893.649120][ T73] worker_thread+0x587/0xd30 [ 893.649120][ T73] kthread+0x28a/0x350 [ 893.649120][ T73] ret_from_fork+0x31/0x70 [ 893.649120][ T73] ret_from_fork_asm+0x1a/0x30 [ 893.649120][ T73] [ 893.651210][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 893.651210][ T73] netdev_get_by_index+0x5e/0x80 [ 893.651210][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.651210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.651210][ T73] ip6_route_add+0x1c/0x140 [ 893.651210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 893.651210][ T73] inet6_addr_add+0x4f8/0xa40 [ 893.651210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.651210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.651210][ T73] netlink_rcv_skb+0x130/0x360 [ 893.651210][ T73] netlink_unicast+0x449/0x710 [ 893.651210][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.651210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.651210][ T73] ___sys_sendmsg+0xee/0x170 [ 893.651210][ T73] __sys_sendmsg+0xcd/0x170 [ 893.651210][ T73] do_syscall_64+0xc6/0x1e0 [ 893.651210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.651210][ T73] [ 893.653362][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 893.653362][ T73] netdev_get_by_index+0x5e/0x80 [ 893.653362][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.653362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.653362][ T73] addrconf_f6i_alloc+0x315/0x560 [ 893.653362][ T73] ipv6_add_addr+0x411/0x2000 [ 893.653362][ T73] inet6_addr_add+0x30e/0xa40 [ 893.653362][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.653362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.653362][ T73] netlink_rcv_skb+0x130/0x360 [ 893.653362][ T73] netlink_unicast+0x449/0x710 [ 893.653362][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.653362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.653362][ T73] ___sys_sendmsg+0xee/0x170 [ 893.653362][ T73] __sys_sendmsg+0xcd/0x170 [ 893.653362][ T73] do_syscall_64+0xc6/0x1e0 [ 893.653362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.653362][ T73] [ 893.655533][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 893.655533][ T73] netdev_get_by_index+0x5e/0x80 [ 893.655533][ T73] fib6_nh_init+0x3d8/0x1580 [ 893.655533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 893.655533][ T73] ip6_route_add+0x1c/0x140 [ 893.655533][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 893.655533][ T73] addrconf_add_dev+0xe2/0x170 [ 893.655533][ T73] inet6_addr_add+0x12f/0xa40 [ 893.655533][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 893.655533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.655533][ T73] netlink_rcv_skb+0x130/0x360 [ 893.655533][ T73] netlink_unicast+0x449/0x710 [ 893.655533][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.655533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.655533][ T73] ___sys_sendmsg+0xee/0x170 [ 893.655533][ T73] __sys_sendmsg+0xcd/0x170 [ 893.655533][ T73] do_syscall_64+0xc6/0x1e0 [ 893.655533][ T73] [ 893.657601][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 893.657601][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 893.657601][ T73] ipv6_find_idev+0x102/0x170 [ 893.657601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.657601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.657601][ T73] netlink_rcv_skb+0x130/0x360 [ 893.657601][ T73] netlink_unicast+0x449/0x710 [ 893.657601][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.657601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.657601][ T73] ___sys_sendmsg+0xee/0x170 [ 893.657601][ T73] __sys_sendmsg+0xcd/0x170 [ 893.657601][ T73] do_syscall_64+0xc6/0x1e0 [ 893.657601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.657601][ T73] [ 893.659302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 893.659302][ T73] neigh_parms_alloc+0x1e5/0x510 [ 893.659302][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 893.659302][ T73] ipv6_find_idev+0x102/0x170 [ 893.659302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 893.659302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 893.659302][ T73] netlink_rcv_skb+0x130/0x360 [ 893.659302][ T73] netlink_unicast+0x449/0x710 [ 893.659302][ T73] netlink_sendmsg+0x723/0xbe0 [ 893.659302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 893.659302][ T73] ___sys_sendmsg+0xee/0x170 [ 893.659302][ T73] __sys_sendmsg+0xcd/0x170 [ 893.659302][ T73] do_syscall_64+0xc6/0x1e0 [ 893.659302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 893.659302][ T73] [ 903.902851][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 903.903326][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.903326][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 903.903326][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 903.903326][ T73] fib6_nh_init+0xa22/0x1580 [ 903.903326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.903326][ T73] ip6_route_add+0x1c/0x140 [ 903.903326][ T73] inet6_rtm_newroute+0x104/0x110 [ 903.903326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.903326][ T73] netlink_rcv_skb+0x130/0x360 [ 903.903326][ T73] netlink_unicast+0x449/0x710 [ 903.903326][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.903326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.903326][ T73] ___sys_sendmsg+0xee/0x170 [ 903.903326][ T73] __sys_sendmsg+0xcd/0x170 [ 903.903326][ T73] do_syscall_64+0xc6/0x1e0 [ 903.903326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.903326][ T73] [ 903.905259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.905259][ T73] dst_init+0x84/0x4a0 [ 903.905259][ T73] dst_alloc+0x97/0x150 [ 903.905259][ T73] ip6_dst_alloc+0x23/0x90 [ 903.905259][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 903.905259][ T73] ip6_pol_route+0x56f/0x840 [ 903.905259][ T73] fib6_rule_lookup+0x456/0x630 [ 903.905259][ T73] ip6_route_input+0x59c/0xa50 [ 903.905259][ T73] ipv6_rcv+0x397/0x810 [ 903.905259][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 903.905259][ T73] process_backlog+0x101/0x620 [ 903.905259][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 903.905259][ T73] net_rx_action+0x495/0xbe0 [ 903.905259][ T73] __do_softirq+0x1b5/0x7f6 [ 903.905259][ T73] [ 903.906930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.906930][ T73] netdev_get_by_index+0x5e/0x80 [ 903.906930][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.906930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.906930][ T73] ip6_route_add+0x1c/0x140 [ 903.906930][ T73] addrconf_prefix_route+0x2a6/0x430 [ 903.906930][ T73] inet6_addr_add+0x4f8/0xa40 [ 903.906930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.906930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.906930][ T73] netlink_rcv_skb+0x130/0x360 [ 903.906930][ T73] netlink_unicast+0x449/0x710 [ 903.906930][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.906930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.906930][ T73] ___sys_sendmsg+0xee/0x170 [ 903.906930][ T73] __sys_sendmsg+0xcd/0x170 [ 903.906930][ T73] do_syscall_64+0xc6/0x1e0 [ 903.906930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.906930][ T73] [ 903.908966][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.908966][ T73] netdev_get_by_index+0x5e/0x80 [ 903.908966][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.908966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.908966][ T73] addrconf_f6i_alloc+0x315/0x560 [ 903.908966][ T73] ipv6_add_addr+0x411/0x2000 [ 903.908966][ T73] inet6_addr_add+0x30e/0xa40 [ 903.908966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.908966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.908966][ T73] netlink_rcv_skb+0x130/0x360 [ 903.908966][ T73] netlink_unicast+0x449/0x710 [ 903.908966][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.908966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.908966][ T73] ___sys_sendmsg+0xee/0x170 [ 903.908966][ T73] __sys_sendmsg+0xcd/0x170 [ 903.908966][ T73] do_syscall_64+0xc6/0x1e0 [ 903.908966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.908966][ T73] [ 903.911004][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.911004][ T73] netdev_get_by_index+0x5e/0x80 [ 903.911004][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.911004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.911004][ T73] ip6_route_add+0x1c/0x140 [ 903.911004][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 903.911004][ T73] addrconf_add_dev+0xe2/0x170 [ 903.911004][ T73] inet6_addr_add+0x12f/0xa40 [ 903.911004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.911004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.911004][ T73] netlink_rcv_skb+0x130/0x360 [ 903.911004][ T73] netlink_unicast+0x449/0x710 [ 903.911004][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.911004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.911004][ T73] ___sys_sendmsg+0xee/0x170 [ 903.911004][ T73] __sys_sendmsg+0xcd/0x170 [ 903.911004][ T73] do_syscall_64+0xc6/0x1e0 [ 903.911004][ T73] [ 903.913004][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.913004][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 903.913004][ T73] ipv6_find_idev+0x102/0x170 [ 903.913004][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.913004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.913004][ T73] netlink_rcv_skb+0x130/0x360 [ 903.913004][ T73] netlink_unicast+0x449/0x710 [ 903.913004][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.913004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.913004][ T73] ___sys_sendmsg+0xee/0x170 [ 903.913004][ T73] __sys_sendmsg+0xcd/0x170 [ 903.913004][ T73] do_syscall_64+0xc6/0x1e0 [ 903.913004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.913004][ T73] [ 903.914601][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 903.914601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 903.914601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 903.914601][ T73] ipv6_find_idev+0x102/0x170 [ 903.914601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.914601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.914601][ T73] netlink_rcv_skb+0x130/0x360 [ 903.914601][ T73] netlink_unicast+0x449/0x710 [ 903.914601][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.914601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.914601][ T73] ___sys_sendmsg+0xee/0x170 [ 903.914601][ T73] __sys_sendmsg+0xcd/0x170 [ 903.914601][ T73] do_syscall_64+0xc6/0x1e0 [ 903.914601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.914601][ T73] [ 903.916360][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 903.916638][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.916638][ T73] dst_init+0x84/0x4a0 [ 903.916638][ T73] dst_alloc+0x97/0x150 [ 903.916638][ T73] ip6_dst_alloc+0x23/0x90 [ 903.916638][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 903.916638][ T73] ip6_pol_route+0x56f/0x840 [ 903.916638][ T73] fib6_rule_lookup+0x456/0x630 [ 903.916638][ T73] ip6_route_input+0x59c/0xa50 [ 903.916638][ T73] ipv6_rcv+0x397/0x810 [ 903.916638][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 903.916638][ T73] process_backlog+0x101/0x620 [ 903.916638][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 903.916638][ T73] net_rx_action+0x495/0xbe0 [ 903.916638][ T73] __do_softirq+0x1b5/0x7f6 [ 903.916638][ T73] [ 903.918317][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.918317][ T73] netdev_get_by_index+0x5e/0x80 [ 903.918317][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.918317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.918317][ T73] addrconf_f6i_alloc+0x265/0x560 [ 903.918317][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 903.918317][ T73] addrconf_join_anycast+0x1c0/0x220 [ 903.918317][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 903.918317][ T73] addrconf_dad_completed+0x12b/0xe20 [ 903.918317][ T73] addrconf_dad_begin+0x310/0x670 [ 903.918317][ T73] addrconf_dad_work+0x10b/0xab0 [ 903.918317][ T73] process_one_work+0x84d/0x18a0 [ 903.918317][ T73] worker_thread+0x587/0xd30 [ 903.918317][ T73] kthread+0x28a/0x350 [ 903.918317][ T73] ret_from_fork+0x31/0x70 [ 903.918317][ T73] ret_from_fork_asm+0x1a/0x30 [ 903.918317][ T73] [ 903.920265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.920265][ T73] netdev_get_by_index+0x5e/0x80 [ 903.920265][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.920265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.920265][ T73] ip6_route_add+0x1c/0x140 [ 903.920265][ T73] addrconf_prefix_route+0x2a6/0x430 [ 903.920265][ T73] inet6_addr_add+0x4f8/0xa40 [ 903.920265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.920265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.920265][ T73] netlink_rcv_skb+0x130/0x360 [ 903.920265][ T73] netlink_unicast+0x449/0x710 [ 903.920265][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.920265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.920265][ T73] ___sys_sendmsg+0xee/0x170 [ 903.920265][ T73] __sys_sendmsg+0xcd/0x170 [ 903.920265][ T73] do_syscall_64+0xc6/0x1e0 [ 903.920265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.920265][ T73] [ 903.922310][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.922310][ T73] netdev_get_by_index+0x5e/0x80 [ 903.922310][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.922310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.922310][ T73] addrconf_f6i_alloc+0x315/0x560 [ 903.922310][ T73] ipv6_add_addr+0x411/0x2000 [ 903.922310][ T73] inet6_addr_add+0x30e/0xa40 [ 903.922310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.922310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.922310][ T73] netlink_rcv_skb+0x130/0x360 [ 903.922310][ T73] netlink_unicast+0x449/0x710 [ 903.922310][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.922310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.922310][ T73] ___sys_sendmsg+0xee/0x170 [ 903.922310][ T73] __sys_sendmsg+0xcd/0x170 [ 903.922310][ T73] do_syscall_64+0xc6/0x1e0 [ 903.922310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.922310][ T73] [ 903.924349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.924349][ T73] netdev_get_by_index+0x5e/0x80 [ 903.924349][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.924349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.924349][ T73] ip6_route_add+0x1c/0x140 [ 903.924349][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 903.924349][ T73] addrconf_add_dev+0xe2/0x170 [ 903.924349][ T73] inet6_addr_add+0x12f/0xa40 [ 903.924349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.924349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.924349][ T73] netlink_rcv_skb+0x130/0x360 [ 903.924349][ T73] netlink_unicast+0x449/0x710 [ 903.924349][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.924349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.924349][ T73] ___sys_sendmsg+0xee/0x170 [ 903.924349][ T73] __sys_sendmsg+0xcd/0x170 [ 903.924349][ T73] do_syscall_64+0xc6/0x1e0 [ 903.924349][ T73] [ 903.926358][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.926358][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 903.926358][ T73] ipv6_find_idev+0x102/0x170 [ 903.926358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.926358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.926358][ T73] netlink_rcv_skb+0x130/0x360 [ 903.926358][ T73] netlink_unicast+0x449/0x710 [ 903.926358][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.926358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.926358][ T73] ___sys_sendmsg+0xee/0x170 [ 903.926358][ T73] __sys_sendmsg+0xcd/0x170 [ 903.926358][ T73] do_syscall_64+0xc6/0x1e0 [ 903.926358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.926358][ T73] [ 903.927937][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 903.927937][ T73] neigh_parms_alloc+0x1e5/0x510 [ 903.927937][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 903.927937][ T73] ipv6_find_idev+0x102/0x170 [ 903.927937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.927937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.927937][ T73] netlink_rcv_skb+0x130/0x360 [ 903.927937][ T73] netlink_unicast+0x449/0x710 [ 903.927937][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.927937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.927937][ T73] ___sys_sendmsg+0xee/0x170 [ 903.927937][ T73] __sys_sendmsg+0xcd/0x170 [ 903.927937][ T73] do_syscall_64+0xc6/0x1e0 [ 903.927937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.927937][ T73] [ 903.929731][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 903.930105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.930105][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 903.930105][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 903.930105][ T73] fib6_nh_init+0xa22/0x1580 [ 903.930105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.930105][ T73] ip6_route_add+0x1c/0x140 [ 903.930105][ T73] inet6_rtm_newroute+0x104/0x110 [ 903.930105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.930105][ T73] netlink_rcv_skb+0x130/0x360 [ 903.930105][ T73] netlink_unicast+0x449/0x710 [ 903.930105][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.930105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.930105][ T73] ___sys_sendmsg+0xee/0x170 [ 903.930105][ T73] __sys_sendmsg+0xcd/0x170 [ 903.930105][ T73] do_syscall_64+0xc6/0x1e0 [ 903.930105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.930105][ T73] [ 903.932141][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.932141][ T73] dst_init+0x84/0x4a0 [ 903.932141][ T73] dst_alloc+0x97/0x150 [ 903.932141][ T73] ip6_dst_alloc+0x23/0x90 [ 903.932141][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 903.932141][ T73] ip6_pol_route+0x56f/0x840 [ 903.932141][ T73] fib6_rule_lookup+0x456/0x630 [ 903.932141][ T73] ip6_route_input+0x59c/0xa50 [ 903.932141][ T73] ipv6_rcv+0x397/0x810 [ 903.932141][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 903.932141][ T73] process_backlog+0x101/0x620 [ 903.932141][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 903.932141][ T73] net_rx_action+0x495/0xbe0 [ 903.932141][ T73] __do_softirq+0x1b5/0x7f6 [ 903.932141][ T73] [ 903.933861][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.933861][ T73] netdev_get_by_index+0x5e/0x80 [ 903.933861][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.933861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.933861][ T73] ip6_route_add+0x1c/0x140 [ 903.933861][ T73] addrconf_prefix_route+0x2a6/0x430 [ 903.933861][ T73] inet6_addr_add+0x4f8/0xa40 [ 903.933861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.933861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.933861][ T73] netlink_rcv_skb+0x130/0x360 [ 903.933861][ T73] netlink_unicast+0x449/0x710 [ 903.933861][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.933861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.933861][ T73] ___sys_sendmsg+0xee/0x170 [ 903.933861][ T73] __sys_sendmsg+0xcd/0x170 [ 903.933861][ T73] do_syscall_64+0xc6/0x1e0 [ 903.933861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.933861][ T73] [ 903.936018][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.936018][ T73] netdev_get_by_index+0x5e/0x80 [ 903.936018][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.936018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.936018][ T73] addrconf_f6i_alloc+0x315/0x560 [ 903.936018][ T73] ipv6_add_addr+0x411/0x2000 [ 903.936018][ T73] inet6_addr_add+0x30e/0xa40 [ 903.936018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.936018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.936018][ T73] netlink_rcv_skb+0x130/0x360 [ 903.936018][ T73] netlink_unicast+0x449/0x710 [ 903.936018][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.936018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.936018][ T73] ___sys_sendmsg+0xee/0x170 [ 903.936018][ T73] __sys_sendmsg+0xcd/0x170 [ 903.936018][ T73] do_syscall_64+0xc6/0x1e0 [ 903.936018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.936018][ T73] [ 903.938202][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.938202][ T73] netdev_get_by_index+0x5e/0x80 [ 903.938202][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.938202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.938202][ T73] ip6_route_add+0x1c/0x140 [ 903.938202][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 903.938202][ T73] addrconf_add_dev+0xe2/0x170 [ 903.938202][ T73] inet6_addr_add+0x12f/0xa40 [ 903.938202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.938202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.938202][ T73] netlink_rcv_skb+0x130/0x360 [ 903.938202][ T73] netlink_unicast+0x449/0x710 [ 903.938202][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.938202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.938202][ T73] ___sys_sendmsg+0xee/0x170 [ 903.938202][ T73] __sys_sendmsg+0xcd/0x170 [ 903.938202][ T73] do_syscall_64+0xc6/0x1e0 [ 903.938202][ T73] [ 903.940329][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.940329][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 903.940329][ T73] ipv6_find_idev+0x102/0x170 [ 903.940329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.940329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.940329][ T73] netlink_rcv_skb+0x130/0x360 [ 903.940329][ T73] netlink_unicast+0x449/0x710 [ 903.940329][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.940329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.940329][ T73] ___sys_sendmsg+0xee/0x170 [ 903.940329][ T73] __sys_sendmsg+0xcd/0x170 [ 903.940329][ T73] do_syscall_64+0xc6/0x1e0 [ 903.940329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.940329][ T73] [ 903.942024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 903.942024][ T73] neigh_parms_alloc+0x1e5/0x510 [ 903.942024][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 903.942024][ T73] ipv6_find_idev+0x102/0x170 [ 903.942024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.942024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.942024][ T73] netlink_rcv_skb+0x130/0x360 [ 903.942024][ T73] netlink_unicast+0x449/0x710 [ 903.942024][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.942024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.942024][ T73] ___sys_sendmsg+0xee/0x170 [ 903.942024][ T73] __sys_sendmsg+0xcd/0x170 [ 903.942024][ T73] do_syscall_64+0xc6/0x1e0 [ 903.942024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.942024][ T73] [ 903.943806][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 903.944099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 903.944099][ T73] netdev_get_by_index+0x5e/0x80 [ 903.944099][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.944099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.944099][ T73] addrconf_f6i_alloc+0x265/0x560 [ 903.944099][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 903.944099][ T73] addrconf_join_anycast+0x1c0/0x220 [ 903.944099][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 903.944099][ T73] addrconf_dad_completed+0x12b/0xe20 [ 903.944099][ T73] addrconf_dad_begin+0x310/0x670 [ 903.944099][ T73] addrconf_dad_work+0x10b/0xab0 [ 903.944099][ T73] process_one_work+0x84d/0x18a0 [ 903.944099][ T73] worker_thread+0x587/0xd30 [ 903.944099][ T73] kthread+0x28a/0x350 [ 903.944099][ T73] ret_from_fork+0x31/0x70 [ 903.944099][ T73] ret_from_fork_asm+0x1a/0x30 [ 903.944099][ T73] [ 903.946174][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 903.946174][ T73] netdev_get_by_index+0x5e/0x80 [ 903.946174][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.946174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.946174][ T73] ip6_route_add+0x1c/0x140 [ 903.946174][ T73] addrconf_prefix_route+0x2a6/0x430 [ 903.946174][ T73] inet6_addr_add+0x4f8/0xa40 [ 903.946174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.946174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.946174][ T73] netlink_rcv_skb+0x130/0x360 [ 903.946174][ T73] netlink_unicast+0x449/0x710 [ 903.946174][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.946174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.946174][ T73] ___sys_sendmsg+0xee/0x170 [ 903.946174][ T73] __sys_sendmsg+0xcd/0x170 [ 903.946174][ T73] do_syscall_64+0xc6/0x1e0 [ 903.946174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.946174][ T73] [ 903.948345][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 903.948345][ T73] netdev_get_by_index+0x5e/0x80 [ 903.948345][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.948345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.948345][ T73] addrconf_f6i_alloc+0x315/0x560 [ 903.948345][ T73] ipv6_add_addr+0x411/0x2000 [ 903.948345][ T73] inet6_addr_add+0x30e/0xa40 [ 903.948345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.948345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.948345][ T73] netlink_rcv_skb+0x130/0x360 [ 903.948345][ T73] netlink_unicast+0x449/0x710 [ 903.948345][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.948345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.948345][ T73] ___sys_sendmsg+0xee/0x170 [ 903.948345][ T73] __sys_sendmsg+0xcd/0x170 [ 903.948345][ T73] do_syscall_64+0xc6/0x1e0 [ 903.948345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.948345][ T73] [ 903.950494][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 903.950494][ T73] netdev_get_by_index+0x5e/0x80 [ 903.950494][ T73] fib6_nh_init+0x3d8/0x1580 [ 903.950494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 903.950494][ T73] ip6_route_add+0x1c/0x140 [ 903.950494][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 903.950494][ T73] addrconf_add_dev+0xe2/0x170 [ 903.950494][ T73] inet6_addr_add+0x12f/0xa40 [ 903.950494][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 903.950494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.950494][ T73] netlink_rcv_skb+0x130/0x360 [ 903.950494][ T73] netlink_unicast+0x449/0x710 [ 903.950494][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.950494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.950494][ T73] ___sys_sendmsg+0xee/0x170 [ 903.950494][ T73] __sys_sendmsg+0xcd/0x170 [ 903.950494][ T73] do_syscall_64+0xc6/0x1e0 [ 903.950494][ T73] [ 903.952617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 903.952617][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 903.952617][ T73] ipv6_find_idev+0x102/0x170 [ 903.952617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.952617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.952617][ T73] netlink_rcv_skb+0x130/0x360 [ 903.952617][ T73] netlink_unicast+0x449/0x710 [ 903.952617][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.952617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.952617][ T73] ___sys_sendmsg+0xee/0x170 [ 903.952617][ T73] __sys_sendmsg+0xcd/0x170 [ 903.952617][ T73] do_syscall_64+0xc6/0x1e0 [ 903.952617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.952617][ T73] [ 903.954245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 903.954245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 903.954245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 903.954245][ T73] ipv6_find_idev+0x102/0x170 [ 903.954245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 903.954245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 903.954245][ T73] netlink_rcv_skb+0x130/0x360 [ 903.954245][ T73] netlink_unicast+0x449/0x710 [ 903.954245][ T73] netlink_sendmsg+0x723/0xbe0 [ 903.954245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 903.954245][ T73] ___sys_sendmsg+0xee/0x170 [ 903.954245][ T73] __sys_sendmsg+0xcd/0x170 [ 903.954245][ T73] do_syscall_64+0xc6/0x1e0 [ 903.954245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 903.954245][ T73] [ 914.198885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 914.199301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.199301][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 914.199301][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 914.199301][ T73] fib6_nh_init+0xa22/0x1580 [ 914.199301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.199301][ T73] ip6_route_add+0x1c/0x140 [ 914.199301][ T73] inet6_rtm_newroute+0x104/0x110 [ 914.199301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.199301][ T73] netlink_rcv_skb+0x130/0x360 [ 914.199301][ T73] netlink_unicast+0x449/0x710 [ 914.199301][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.199301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.199301][ T73] ___sys_sendmsg+0xee/0x170 [ 914.199301][ T73] __sys_sendmsg+0xcd/0x170 [ 914.199301][ T73] do_syscall_64+0xc6/0x1e0 [ 914.199301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.199301][ T73] [ 914.201225][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.201225][ T73] dst_init+0x84/0x4a0 [ 914.201225][ T73] dst_alloc+0x97/0x150 [ 914.201225][ T73] ip6_dst_alloc+0x23/0x90 [ 914.201225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 914.201225][ T73] ip6_pol_route+0x56f/0x840 [ 914.201225][ T73] fib6_rule_lookup+0x456/0x630 [ 914.201225][ T73] ip6_route_input+0x59c/0xa50 [ 914.201225][ T73] ipv6_rcv+0x397/0x810 [ 914.201225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 914.201225][ T73] process_backlog+0x101/0x620 [ 914.201225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 914.201225][ T73] net_rx_action+0x495/0xbe0 [ 914.201225][ T73] __do_softirq+0x1b5/0x7f6 [ 914.201225][ T73] [ 914.202889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.202889][ T73] netdev_get_by_index+0x5e/0x80 [ 914.202889][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.202889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.202889][ T73] ip6_route_add+0x1c/0x140 [ 914.202889][ T73] addrconf_prefix_route+0x2a6/0x430 [ 914.202889][ T73] inet6_addr_add+0x4f8/0xa40 [ 914.202889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.202889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.202889][ T73] netlink_rcv_skb+0x130/0x360 [ 914.202889][ T73] netlink_unicast+0x449/0x710 [ 914.202889][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.202889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.202889][ T73] ___sys_sendmsg+0xee/0x170 [ 914.202889][ T73] __sys_sendmsg+0xcd/0x170 [ 914.202889][ T73] do_syscall_64+0xc6/0x1e0 [ 914.202889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.202889][ T73] [ 914.204910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.204910][ T73] netdev_get_by_index+0x5e/0x80 [ 914.204910][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.204910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.204910][ T73] addrconf_f6i_alloc+0x315/0x560 [ 914.204910][ T73] ipv6_add_addr+0x411/0x2000 [ 914.204910][ T73] inet6_addr_add+0x30e/0xa40 [ 914.204910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.204910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.204910][ T73] netlink_rcv_skb+0x130/0x360 [ 914.204910][ T73] netlink_unicast+0x449/0x710 [ 914.204910][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.204910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.204910][ T73] ___sys_sendmsg+0xee/0x170 [ 914.204910][ T73] __sys_sendmsg+0xcd/0x170 [ 914.204910][ T73] do_syscall_64+0xc6/0x1e0 [ 914.204910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.204910][ T73] [ 914.206942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.206942][ T73] netdev_get_by_index+0x5e/0x80 [ 914.206942][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.206942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.206942][ T73] ip6_route_add+0x1c/0x140 [ 914.206942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 914.206942][ T73] addrconf_add_dev+0xe2/0x170 [ 914.206942][ T73] inet6_addr_add+0x12f/0xa40 [ 914.206942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.206942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.206942][ T73] netlink_rcv_skb+0x130/0x360 [ 914.206942][ T73] netlink_unicast+0x449/0x710 [ 914.206942][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.206942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.206942][ T73] ___sys_sendmsg+0xee/0x170 [ 914.206942][ T73] __sys_sendmsg+0xcd/0x170 [ 914.206942][ T73] do_syscall_64+0xc6/0x1e0 [ 914.206942][ T73] [ 914.208988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.208988][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 914.208988][ T73] ipv6_find_idev+0x102/0x170 [ 914.208988][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.208988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.208988][ T73] netlink_rcv_skb+0x130/0x360 [ 914.208988][ T73] netlink_unicast+0x449/0x710 [ 914.208988][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.208988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.208988][ T73] ___sys_sendmsg+0xee/0x170 [ 914.208988][ T73] __sys_sendmsg+0xcd/0x170 [ 914.208988][ T73] do_syscall_64+0xc6/0x1e0 [ 914.208988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.208988][ T73] [ 914.210555][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 914.210555][ T73] neigh_parms_alloc+0x1e5/0x510 [ 914.210555][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 914.210555][ T73] ipv6_find_idev+0x102/0x170 [ 914.210555][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.210555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.210555][ T73] netlink_rcv_skb+0x130/0x360 [ 914.210555][ T73] netlink_unicast+0x449/0x710 [ 914.210555][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.210555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.210555][ T73] ___sys_sendmsg+0xee/0x170 [ 914.210555][ T73] __sys_sendmsg+0xcd/0x170 [ 914.210555][ T73] do_syscall_64+0xc6/0x1e0 [ 914.210555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.210555][ T73] [ 914.212299][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 914.212576][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.212576][ T73] dst_init+0x84/0x4a0 [ 914.212576][ T73] dst_alloc+0x97/0x150 [ 914.212576][ T73] ip6_dst_alloc+0x23/0x90 [ 914.212576][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 914.212576][ T73] ip6_pol_route+0x56f/0x840 [ 914.212576][ T73] fib6_rule_lookup+0x456/0x630 [ 914.212576][ T73] ip6_route_input+0x59c/0xa50 [ 914.212576][ T73] ipv6_rcv+0x397/0x810 [ 914.212576][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 914.212576][ T73] process_backlog+0x101/0x620 [ 914.212576][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 914.212576][ T73] net_rx_action+0x495/0xbe0 [ 914.212576][ T73] __do_softirq+0x1b5/0x7f6 [ 914.212576][ T73] [ 914.214259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.214259][ T73] netdev_get_by_index+0x5e/0x80 [ 914.214259][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.214259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.214259][ T73] addrconf_f6i_alloc+0x265/0x560 [ 914.214259][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 914.214259][ T73] addrconf_join_anycast+0x1c0/0x220 [ 914.214259][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 914.214259][ T73] addrconf_dad_completed+0x12b/0xe20 [ 914.214259][ T73] addrconf_dad_begin+0x310/0x670 [ 914.214259][ T73] addrconf_dad_work+0x10b/0xab0 [ 914.214259][ T73] process_one_work+0x84d/0x18a0 [ 914.214259][ T73] worker_thread+0x587/0xd30 [ 914.214259][ T73] kthread+0x28a/0x350 [ 914.214259][ T73] ret_from_fork+0x31/0x70 [ 914.214259][ T73] ret_from_fork_asm+0x1a/0x30 [ 914.214259][ T73] [ 914.216223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.216223][ T73] netdev_get_by_index+0x5e/0x80 [ 914.216223][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.216223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.216223][ T73] ip6_route_add+0x1c/0x140 [ 914.216223][ T73] addrconf_prefix_route+0x2a6/0x430 [ 914.216223][ T73] inet6_addr_add+0x4f8/0xa40 [ 914.216223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.216223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.216223][ T73] netlink_rcv_skb+0x130/0x360 [ 914.216223][ T73] netlink_unicast+0x449/0x710 [ 914.216223][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.216223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.216223][ T73] ___sys_sendmsg+0xee/0x170 [ 914.216223][ T73] __sys_sendmsg+0xcd/0x170 [ 914.216223][ T73] do_syscall_64+0xc6/0x1e0 [ 914.216223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.216223][ T73] [ 914.218269][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.218269][ T73] netdev_get_by_index+0x5e/0x80 [ 914.218269][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.218269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.218269][ T73] addrconf_f6i_alloc+0x315/0x560 [ 914.218269][ T73] ipv6_add_addr+0x411/0x2000 [ 914.218269][ T73] inet6_addr_add+0x30e/0xa40 [ 914.218269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.218269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.218269][ T73] netlink_rcv_skb+0x130/0x360 [ 914.218269][ T73] netlink_unicast+0x449/0x710 [ 914.218269][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.218269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.218269][ T73] ___sys_sendmsg+0xee/0x170 [ 914.218269][ T73] __sys_sendmsg+0xcd/0x170 [ 914.218269][ T73] do_syscall_64+0xc6/0x1e0 [ 914.218269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.218269][ T73] [ 914.220303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.220303][ T73] netdev_get_by_index+0x5e/0x80 [ 914.220303][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.220303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.220303][ T73] ip6_route_add+0x1c/0x140 [ 914.220303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 914.220303][ T73] addrconf_add_dev+0xe2/0x170 [ 914.220303][ T73] inet6_addr_add+0x12f/0xa40 [ 914.220303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.220303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.220303][ T73] netlink_rcv_skb+0x130/0x360 [ 914.220303][ T73] netlink_unicast+0x449/0x710 [ 914.220303][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.220303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.220303][ T73] ___sys_sendmsg+0xee/0x170 [ 914.220303][ T73] __sys_sendmsg+0xcd/0x170 [ 914.220303][ T73] do_syscall_64+0xc6/0x1e0 [ 914.220303][ T73] [ 914.222297][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.222297][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 914.222297][ T73] ipv6_find_idev+0x102/0x170 [ 914.222297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.222297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.222297][ T73] netlink_rcv_skb+0x130/0x360 [ 914.222297][ T73] netlink_unicast+0x449/0x710 [ 914.222297][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.222297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.222297][ T73] ___sys_sendmsg+0xee/0x170 [ 914.222297][ T73] __sys_sendmsg+0xcd/0x170 [ 914.222297][ T73] do_syscall_64+0xc6/0x1e0 [ 914.222297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.222297][ T73] [ 914.223856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 914.223856][ T73] neigh_parms_alloc+0x1e5/0x510 [ 914.223856][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 914.223856][ T73] ipv6_find_idev+0x102/0x170 [ 914.223856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.223856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.223856][ T73] netlink_rcv_skb+0x130/0x360 [ 914.223856][ T73] netlink_unicast+0x449/0x710 [ 914.223856][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.223856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.223856][ T73] ___sys_sendmsg+0xee/0x170 [ 914.223856][ T73] __sys_sendmsg+0xcd/0x170 [ 914.223856][ T73] do_syscall_64+0xc6/0x1e0 [ 914.223856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.223856][ T73] [ 914.225661][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 914.226017][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.226017][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 914.226017][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 914.226017][ T73] fib6_nh_init+0xa22/0x1580 [ 914.226017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.226017][ T73] ip6_route_add+0x1c/0x140 [ 914.226017][ T73] inet6_rtm_newroute+0x104/0x110 [ 914.226017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.226017][ T73] netlink_rcv_skb+0x130/0x360 [ 914.226017][ T73] netlink_unicast+0x449/0x710 [ 914.226017][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.226017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.226017][ T73] ___sys_sendmsg+0xee/0x170 [ 914.226017][ T73] __sys_sendmsg+0xcd/0x170 [ 914.226017][ T73] do_syscall_64+0xc6/0x1e0 [ 914.226017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.226017][ T73] [ 914.227988][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.227988][ T73] dst_init+0x84/0x4a0 [ 914.227988][ T73] dst_alloc+0x97/0x150 [ 914.227988][ T73] ip6_dst_alloc+0x23/0x90 [ 914.227988][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 914.227988][ T73] ip6_pol_route+0x56f/0x840 [ 914.227988][ T73] fib6_rule_lookup+0x456/0x630 [ 914.227988][ T73] ip6_route_input+0x59c/0xa50 [ 914.227988][ T73] ipv6_rcv+0x397/0x810 [ 914.227988][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 914.227988][ T73] process_backlog+0x101/0x620 [ 914.227988][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 914.227988][ T73] net_rx_action+0x495/0xbe0 [ 914.227988][ T73] __do_softirq+0x1b5/0x7f6 [ 914.227988][ T73] [ 914.229774][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.229774][ T73] netdev_get_by_index+0x5e/0x80 [ 914.229774][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.229774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.229774][ T73] ip6_route_add+0x1c/0x140 [ 914.229774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 914.229774][ T73] inet6_addr_add+0x4f8/0xa40 [ 914.229774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.229774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.229774][ T73] netlink_rcv_skb+0x130/0x360 [ 914.229774][ T73] netlink_unicast+0x449/0x710 [ 914.229774][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.229774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.229774][ T73] ___sys_sendmsg+0xee/0x170 [ 914.229774][ T73] __sys_sendmsg+0xcd/0x170 [ 914.229774][ T73] do_syscall_64+0xc6/0x1e0 [ 914.229774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.229774][ T73] [ 914.231971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.231971][ T73] netdev_get_by_index+0x5e/0x80 [ 914.231971][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.231971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.231971][ T73] addrconf_f6i_alloc+0x315/0x560 [ 914.231971][ T73] ipv6_add_addr+0x411/0x2000 [ 914.231971][ T73] inet6_addr_add+0x30e/0xa40 [ 914.231971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.231971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.231971][ T73] netlink_rcv_skb+0x130/0x360 [ 914.231971][ T73] netlink_unicast+0x449/0x710 [ 914.231971][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.231971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.231971][ T73] ___sys_sendmsg+0xee/0x170 [ 914.231971][ T73] __sys_sendmsg+0xcd/0x170 [ 914.231971][ T73] do_syscall_64+0xc6/0x1e0 [ 914.231971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.231971][ T73] [ 914.234134][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.234134][ T73] netdev_get_by_index+0x5e/0x80 [ 914.234134][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.234134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.234134][ T73] ip6_route_add+0x1c/0x140 [ 914.234134][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 914.234134][ T73] addrconf_add_dev+0xe2/0x170 [ 914.234134][ T73] inet6_addr_add+0x12f/0xa40 [ 914.234134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.234134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.234134][ T73] netlink_rcv_skb+0x130/0x360 [ 914.234134][ T73] netlink_unicast+0x449/0x710 [ 914.234134][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.234134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.234134][ T73] ___sys_sendmsg+0xee/0x170 [ 914.234134][ T73] __sys_sendmsg+0xcd/0x170 [ 914.234134][ T73] do_syscall_64+0xc6/0x1e0 [ 914.234134][ T73] [ 914.236271][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.236271][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 914.236271][ T73] ipv6_find_idev+0x102/0x170 [ 914.236271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.236271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.236271][ T73] netlink_rcv_skb+0x130/0x360 [ 914.236271][ T73] netlink_unicast+0x449/0x710 [ 914.236271][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.236271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.236271][ T73] ___sys_sendmsg+0xee/0x170 [ 914.236271][ T73] __sys_sendmsg+0xcd/0x170 [ 914.236271][ T73] do_syscall_64+0xc6/0x1e0 [ 914.236271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.236271][ T73] [ 914.237901][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 914.237901][ T73] neigh_parms_alloc+0x1e5/0x510 [ 914.237901][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 914.237901][ T73] ipv6_find_idev+0x102/0x170 [ 914.237901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.237901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.237901][ T73] netlink_rcv_skb+0x130/0x360 [ 914.237901][ T73] netlink_unicast+0x449/0x710 [ 914.237901][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.237901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.237901][ T73] ___sys_sendmsg+0xee/0x170 [ 914.237901][ T73] __sys_sendmsg+0xcd/0x170 [ 914.237901][ T73] do_syscall_64+0xc6/0x1e0 [ 914.237901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.237901][ T73] [ 914.239766][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 914.240489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 914.240489][ T73] netdev_get_by_index+0x5e/0x80 [ 914.240489][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.240489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.240489][ T73] addrconf_f6i_alloc+0x265/0x560 [ 914.240489][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 914.240489][ T73] addrconf_join_anycast+0x1c0/0x220 [ 914.240489][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 914.240489][ T73] addrconf_dad_completed+0x12b/0xe20 [ 914.240489][ T73] addrconf_dad_begin+0x310/0x670 [ 914.240489][ T73] addrconf_dad_work+0x10b/0xab0 [ 914.240489][ T73] process_one_work+0x84d/0x18a0 [ 914.240489][ T73] worker_thread+0x587/0xd30 [ 914.240489][ T73] kthread+0x28a/0x350 [ 914.240489][ T73] ret_from_fork+0x31/0x70 [ 914.240489][ T73] ret_from_fork_asm+0x1a/0x30 [ 914.240489][ T73] [ 914.242434][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 914.242434][ T73] netdev_get_by_index+0x5e/0x80 [ 914.242434][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.242434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.242434][ T73] ip6_route_add+0x1c/0x140 [ 914.242434][ T73] addrconf_prefix_route+0x2a6/0x430 [ 914.242434][ T73] inet6_addr_add+0x4f8/0xa40 [ 914.242434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.242434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.242434][ T73] netlink_rcv_skb+0x130/0x360 [ 914.242434][ T73] netlink_unicast+0x449/0x710 [ 914.242434][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.242434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.242434][ T73] ___sys_sendmsg+0xee/0x170 [ 914.242434][ T73] __sys_sendmsg+0xcd/0x170 [ 914.242434][ T73] do_syscall_64+0xc6/0x1e0 [ 914.242434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.242434][ T73] [ 914.244526][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 914.244526][ T73] netdev_get_by_index+0x5e/0x80 [ 914.244526][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.244526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.244526][ T73] addrconf_f6i_alloc+0x315/0x560 [ 914.244526][ T73] ipv6_add_addr+0x411/0x2000 [ 914.244526][ T73] inet6_addr_add+0x30e/0xa40 [ 914.244526][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.244526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.244526][ T73] netlink_rcv_skb+0x130/0x360 [ 914.244526][ T73] netlink_unicast+0x449/0x710 [ 914.244526][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.244526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.244526][ T73] ___sys_sendmsg+0xee/0x170 [ 914.244526][ T73] __sys_sendmsg+0xcd/0x170 [ 914.244526][ T73] do_syscall_64+0xc6/0x1e0 [ 914.244526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.244526][ T73] [ 914.246691][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 914.246691][ T73] netdev_get_by_index+0x5e/0x80 [ 914.246691][ T73] fib6_nh_init+0x3d8/0x1580 [ 914.246691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 914.246691][ T73] ip6_route_add+0x1c/0x140 [ 914.246691][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 914.246691][ T73] addrconf_add_dev+0xe2/0x170 [ 914.246691][ T73] inet6_addr_add+0x12f/0xa40 [ 914.246691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 914.246691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.246691][ T73] netlink_rcv_skb+0x130/0x360 [ 914.246691][ T73] netlink_unicast+0x449/0x710 [ 914.246691][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.246691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.246691][ T73] ___sys_sendmsg+0xee/0x170 [ 914.246691][ T73] __sys_sendmsg+0xcd/0x170 [ 914.246691][ T73] do_syscall_64+0xc6/0x1e0 [ 914.246691][ T73] [ 914.248741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 914.248741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 914.248741][ T73] ipv6_find_idev+0x102/0x170 [ 914.248741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.248741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.248741][ T73] netlink_rcv_skb+0x130/0x360 [ 914.248741][ T73] netlink_unicast+0x449/0x710 [ 914.248741][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.248741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.248741][ T73] ___sys_sendmsg+0xee/0x170 [ 914.248741][ T73] __sys_sendmsg+0xcd/0x170 [ 914.248741][ T73] do_syscall_64+0xc6/0x1e0 [ 914.248741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.248741][ T73] [ 914.250444][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 914.250444][ T73] neigh_parms_alloc+0x1e5/0x510 [ 914.250444][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 914.250444][ T73] ipv6_find_idev+0x102/0x170 [ 914.250444][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.250444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.250444][ T73] netlink_rcv_skb+0x130/0x360 [ 914.250444][ T73] netlink_unicast+0x449/0x710 [ 914.250444][ T73] netlink_sendmsg+0x723/0xbe0 [ 914.250444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 914.250444][ T73] ___sys_sendmsg+0xee/0x170 [ 914.250444][ T73] __sys_sendmsg+0xcd/0x170 [ 914.250444][ T73] do_syscall_64+0xc6/0x1e0 [ 914.250444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.250444][ T73] [ 924.494906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 924.495319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.495319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 924.495319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 924.495319][ T73] fib6_nh_init+0xa22/0x1580 [ 924.495319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.495319][ T73] ip6_route_add+0x1c/0x140 [ 924.495319][ T73] inet6_rtm_newroute+0x104/0x110 [ 924.495319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.495319][ T73] netlink_rcv_skb+0x130/0x360 [ 924.495319][ T73] netlink_unicast+0x449/0x710 [ 924.495319][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.495319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.495319][ T73] ___sys_sendmsg+0xee/0x170 [ 924.495319][ T73] __sys_sendmsg+0xcd/0x170 [ 924.495319][ T73] do_syscall_64+0xc6/0x1e0 [ 924.495319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.495319][ T73] [ 924.497211][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.497211][ T73] dst_init+0x84/0x4a0 [ 924.497211][ T73] dst_alloc+0x97/0x150 [ 924.497211][ T73] ip6_dst_alloc+0x23/0x90 [ 924.497211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 924.497211][ T73] ip6_pol_route+0x56f/0x840 [ 924.497211][ T73] fib6_rule_lookup+0x456/0x630 [ 924.497211][ T73] ip6_route_input+0x59c/0xa50 [ 924.497211][ T73] ipv6_rcv+0x397/0x810 [ 924.497211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 924.497211][ T73] process_backlog+0x101/0x620 [ 924.497211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 924.497211][ T73] net_rx_action+0x495/0xbe0 [ 924.497211][ T73] __do_softirq+0x1b5/0x7f6 [ 924.497211][ T73] [ 924.498841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.498841][ T73] netdev_get_by_index+0x5e/0x80 [ 924.498841][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.498841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.498841][ T73] ip6_route_add+0x1c/0x140 [ 924.498841][ T73] addrconf_prefix_route+0x2a6/0x430 [ 924.498841][ T73] inet6_addr_add+0x4f8/0xa40 [ 924.498841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.498841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.498841][ T73] netlink_rcv_skb+0x130/0x360 [ 924.498841][ T73] netlink_unicast+0x449/0x710 [ 924.498841][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.498841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.498841][ T73] ___sys_sendmsg+0xee/0x170 [ 924.498841][ T73] __sys_sendmsg+0xcd/0x170 [ 924.498841][ T73] do_syscall_64+0xc6/0x1e0 [ 924.498841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.498841][ T73] [ 924.500828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.500828][ T73] netdev_get_by_index+0x5e/0x80 [ 924.500828][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.500828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.500828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 924.500828][ T73] ipv6_add_addr+0x411/0x2000 [ 924.500828][ T73] inet6_addr_add+0x30e/0xa40 [ 924.500828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.500828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.500828][ T73] netlink_rcv_skb+0x130/0x360 [ 924.500828][ T73] netlink_unicast+0x449/0x710 [ 924.500828][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.500828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.500828][ T73] ___sys_sendmsg+0xee/0x170 [ 924.500828][ T73] __sys_sendmsg+0xcd/0x170 [ 924.500828][ T73] do_syscall_64+0xc6/0x1e0 [ 924.500828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.500828][ T73] [ 924.502836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.502836][ T73] netdev_get_by_index+0x5e/0x80 [ 924.502836][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.502836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.502836][ T73] ip6_route_add+0x1c/0x140 [ 924.502836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 924.502836][ T73] addrconf_add_dev+0xe2/0x170 [ 924.502836][ T73] inet6_addr_add+0x12f/0xa40 [ 924.502836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.502836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.502836][ T73] netlink_rcv_skb+0x130/0x360 [ 924.502836][ T73] netlink_unicast+0x449/0x710 [ 924.502836][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.502836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.502836][ T73] ___sys_sendmsg+0xee/0x170 [ 924.502836][ T73] __sys_sendmsg+0xcd/0x170 [ 924.502836][ T73] do_syscall_64+0xc6/0x1e0 [ 924.502836][ T73] [ 924.504799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.504799][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 924.504799][ T73] ipv6_find_idev+0x102/0x170 [ 924.504799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.504799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.504799][ T73] netlink_rcv_skb+0x130/0x360 [ 924.504799][ T73] netlink_unicast+0x449/0x710 [ 924.504799][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.504799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.504799][ T73] ___sys_sendmsg+0xee/0x170 [ 924.504799][ T73] __sys_sendmsg+0xcd/0x170 [ 924.504799][ T73] do_syscall_64+0xc6/0x1e0 [ 924.504799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.504799][ T73] [ 924.506334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 924.506334][ T73] neigh_parms_alloc+0x1e5/0x510 [ 924.506334][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 924.506334][ T73] ipv6_find_idev+0x102/0x170 [ 924.506334][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.506334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.506334][ T73] netlink_rcv_skb+0x130/0x360 [ 924.506334][ T73] netlink_unicast+0x449/0x710 [ 924.506334][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.506334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.506334][ T73] ___sys_sendmsg+0xee/0x170 [ 924.506334][ T73] __sys_sendmsg+0xcd/0x170 [ 924.506334][ T73] do_syscall_64+0xc6/0x1e0 [ 924.506334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.506334][ T73] [ 924.508014][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 924.508286][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.508286][ T73] dst_init+0x84/0x4a0 [ 924.508286][ T73] dst_alloc+0x97/0x150 [ 924.508286][ T73] ip6_dst_alloc+0x23/0x90 [ 924.508286][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 924.508286][ T73] ip6_pol_route+0x56f/0x840 [ 924.508286][ T73] fib6_rule_lookup+0x456/0x630 [ 924.508286][ T73] ip6_route_input+0x59c/0xa50 [ 924.508286][ T73] ipv6_rcv+0x397/0x810 [ 924.508286][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 924.508286][ T73] process_backlog+0x101/0x620 [ 924.508286][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 924.508286][ T73] net_rx_action+0x495/0xbe0 [ 924.508286][ T73] __do_softirq+0x1b5/0x7f6 [ 924.508286][ T73] [ 924.509911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.509911][ T73] netdev_get_by_index+0x5e/0x80 [ 924.509911][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.509911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.509911][ T73] addrconf_f6i_alloc+0x265/0x560 [ 924.509911][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 924.509911][ T73] addrconf_join_anycast+0x1c0/0x220 [ 924.509911][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 924.509911][ T73] addrconf_dad_completed+0x12b/0xe20 [ 924.509911][ T73] addrconf_dad_begin+0x310/0x670 [ 924.509911][ T73] addrconf_dad_work+0x10b/0xab0 [ 924.509911][ T73] process_one_work+0x84d/0x18a0 [ 924.509911][ T73] worker_thread+0x587/0xd30 [ 924.509911][ T73] kthread+0x28a/0x350 [ 924.509911][ T73] ret_from_fork+0x31/0x70 [ 924.509911][ T73] ret_from_fork_asm+0x1a/0x30 [ 924.509911][ T73] [ 924.511799][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.511799][ T73] netdev_get_by_index+0x5e/0x80 [ 924.511799][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.511799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.511799][ T73] ip6_route_add+0x1c/0x140 [ 924.511799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 924.511799][ T73] inet6_addr_add+0x4f8/0xa40 [ 924.511799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.511799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.511799][ T73] netlink_rcv_skb+0x130/0x360 [ 924.511799][ T73] netlink_unicast+0x449/0x710 [ 924.511799][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.511799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.511799][ T73] ___sys_sendmsg+0xee/0x170 [ 924.511799][ T73] __sys_sendmsg+0xcd/0x170 [ 924.511799][ T73] do_syscall_64+0xc6/0x1e0 [ 924.511799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.511799][ T73] [ 924.513778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.513778][ T73] netdev_get_by_index+0x5e/0x80 [ 924.513778][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.513778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.513778][ T73] addrconf_f6i_alloc+0x315/0x560 [ 924.513778][ T73] ipv6_add_addr+0x411/0x2000 [ 924.513778][ T73] inet6_addr_add+0x30e/0xa40 [ 924.513778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.513778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.513778][ T73] netlink_rcv_skb+0x130/0x360 [ 924.513778][ T73] netlink_unicast+0x449/0x710 [ 924.513778][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.513778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.513778][ T73] ___sys_sendmsg+0xee/0x170 [ 924.513778][ T73] __sys_sendmsg+0xcd/0x170 [ 924.513778][ T73] do_syscall_64+0xc6/0x1e0 [ 924.513778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.513778][ T73] [ 924.515756][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.515756][ T73] netdev_get_by_index+0x5e/0x80 [ 924.515756][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.515756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.515756][ T73] ip6_route_add+0x1c/0x140 [ 924.515756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 924.515756][ T73] addrconf_add_dev+0xe2/0x170 [ 924.515756][ T73] inet6_addr_add+0x12f/0xa40 [ 924.515756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.515756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.515756][ T73] netlink_rcv_skb+0x130/0x360 [ 924.515756][ T73] netlink_unicast+0x449/0x710 [ 924.515756][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.515756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.515756][ T73] ___sys_sendmsg+0xee/0x170 [ 924.515756][ T73] __sys_sendmsg+0xcd/0x170 [ 924.515756][ T73] do_syscall_64+0xc6/0x1e0 [ 924.515756][ T73] [ 924.517775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.517775][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 924.517775][ T73] ipv6_find_idev+0x102/0x170 [ 924.517775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.517775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.517775][ T73] netlink_rcv_skb+0x130/0x360 [ 924.517775][ T73] netlink_unicast+0x449/0x710 [ 924.517775][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.517775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.517775][ T73] ___sys_sendmsg+0xee/0x170 [ 924.517775][ T73] __sys_sendmsg+0xcd/0x170 [ 924.517775][ T73] do_syscall_64+0xc6/0x1e0 [ 924.517775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.517775][ T73] [ 924.519305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 924.519305][ T73] neigh_parms_alloc+0x1e5/0x510 [ 924.519305][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 924.519305][ T73] ipv6_find_idev+0x102/0x170 [ 924.519305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.519305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.519305][ T73] netlink_rcv_skb+0x130/0x360 [ 924.519305][ T73] netlink_unicast+0x449/0x710 [ 924.519305][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.519305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.519305][ T73] ___sys_sendmsg+0xee/0x170 [ 924.519305][ T73] __sys_sendmsg+0xcd/0x170 [ 924.519305][ T73] do_syscall_64+0xc6/0x1e0 [ 924.519305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.519305][ T73] [ 924.521122][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 924.521441][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.521441][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 924.521441][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 924.521441][ T73] fib6_nh_init+0xa22/0x1580 [ 924.521441][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.521441][ T73] ip6_route_add+0x1c/0x140 [ 924.521441][ T73] inet6_rtm_newroute+0x104/0x110 [ 924.521441][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.521441][ T73] netlink_rcv_skb+0x130/0x360 [ 924.521441][ T73] netlink_unicast+0x449/0x710 [ 924.521441][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.521441][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.521441][ T73] ___sys_sendmsg+0xee/0x170 [ 924.521441][ T73] __sys_sendmsg+0xcd/0x170 [ 924.521441][ T73] do_syscall_64+0xc6/0x1e0 [ 924.521441][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.521441][ T73] [ 924.523637][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.523637][ T73] dst_init+0x84/0x4a0 [ 924.523637][ T73] dst_alloc+0x97/0x150 [ 924.523637][ T73] ip6_dst_alloc+0x23/0x90 [ 924.523637][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 924.523637][ T73] ip6_pol_route+0x56f/0x840 [ 924.523637][ T73] fib6_rule_lookup+0x456/0x630 [ 924.523637][ T73] ip6_route_input+0x59c/0xa50 [ 924.523637][ T73] ipv6_rcv+0x397/0x810 [ 924.523637][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 924.523637][ T73] process_backlog+0x101/0x620 [ 924.523637][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 924.523637][ T73] net_rx_action+0x495/0xbe0 [ 924.523637][ T73] __do_softirq+0x1b5/0x7f6 [ 924.523637][ T73] [ 924.525442][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.525442][ T73] netdev_get_by_index+0x5e/0x80 [ 924.525442][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.525442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.525442][ T73] ip6_route_add+0x1c/0x140 [ 924.525442][ T73] addrconf_prefix_route+0x2a6/0x430 [ 924.525442][ T73] inet6_addr_add+0x4f8/0xa40 [ 924.525442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.525442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.525442][ T73] netlink_rcv_skb+0x130/0x360 [ 924.525442][ T73] netlink_unicast+0x449/0x710 [ 924.525442][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.525442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.525442][ T73] ___sys_sendmsg+0xee/0x170 [ 924.525442][ T73] __sys_sendmsg+0xcd/0x170 [ 924.525442][ T73] do_syscall_64+0xc6/0x1e0 [ 924.525442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.525442][ T73] [ 924.527685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.527685][ T73] netdev_get_by_index+0x5e/0x80 [ 924.527685][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.527685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.527685][ T73] addrconf_f6i_alloc+0x315/0x560 [ 924.527685][ T73] ipv6_add_addr+0x411/0x2000 [ 924.527685][ T73] inet6_addr_add+0x30e/0xa40 [ 924.527685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.527685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.527685][ T73] netlink_rcv_skb+0x130/0x360 [ 924.527685][ T73] netlink_unicast+0x449/0x710 [ 924.527685][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.527685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.527685][ T73] ___sys_sendmsg+0xee/0x170 [ 924.527685][ T73] __sys_sendmsg+0xcd/0x170 [ 924.527685][ T73] do_syscall_64+0xc6/0x1e0 [ 924.527685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.527685][ T73] [ 924.529915][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.529915][ T73] netdev_get_by_index+0x5e/0x80 [ 924.529915][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.529915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.529915][ T73] ip6_route_add+0x1c/0x140 [ 924.529915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 924.529915][ T73] addrconf_add_dev+0xe2/0x170 [ 924.529915][ T73] inet6_addr_add+0x12f/0xa40 [ 924.529915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.529915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.529915][ T73] netlink_rcv_skb+0x130/0x360 [ 924.529915][ T73] netlink_unicast+0x449/0x710 [ 924.529915][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.529915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.529915][ T73] ___sys_sendmsg+0xee/0x170 [ 924.529915][ T73] __sys_sendmsg+0xcd/0x170 [ 924.529915][ T73] do_syscall_64+0xc6/0x1e0 [ 924.529915][ T73] [ 924.532114][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.532114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 924.532114][ T73] ipv6_find_idev+0x102/0x170 [ 924.532114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.532114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.532114][ T73] netlink_rcv_skb+0x130/0x360 [ 924.532114][ T73] netlink_unicast+0x449/0x710 [ 924.532114][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.532114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.532114][ T73] ___sys_sendmsg+0xee/0x170 [ 924.532114][ T73] __sys_sendmsg+0xcd/0x170 [ 924.532114][ T73] do_syscall_64+0xc6/0x1e0 [ 924.532114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.532114][ T73] [ 924.533824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 924.533824][ T73] neigh_parms_alloc+0x1e5/0x510 [ 924.533824][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 924.533824][ T73] ipv6_find_idev+0x102/0x170 [ 924.533824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.533824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.533824][ T73] netlink_rcv_skb+0x130/0x360 [ 924.533824][ T73] netlink_unicast+0x449/0x710 [ 924.533824][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.533824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.533824][ T73] ___sys_sendmsg+0xee/0x170 [ 924.533824][ T73] __sys_sendmsg+0xcd/0x170 [ 924.533824][ T73] do_syscall_64+0xc6/0x1e0 [ 924.533824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.533824][ T73] [ 924.535751][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 924.536479][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 924.536479][ T73] netdev_get_by_index+0x5e/0x80 [ 924.536479][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.536479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.536479][ T73] addrconf_f6i_alloc+0x265/0x560 [ 924.536479][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 924.536479][ T73] addrconf_join_anycast+0x1c0/0x220 [ 924.536479][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 924.536479][ T73] addrconf_dad_completed+0x12b/0xe20 [ 924.536479][ T73] addrconf_dad_begin+0x310/0x670 [ 924.536479][ T73] addrconf_dad_work+0x10b/0xab0 [ 924.536479][ T73] process_one_work+0x84d/0x18a0 [ 924.536479][ T73] worker_thread+0x587/0xd30 [ 924.536479][ T73] kthread+0x28a/0x350 [ 924.536479][ T73] ret_from_fork+0x31/0x70 [ 924.536479][ T73] ret_from_fork_asm+0x1a/0x30 [ 924.536479][ T73] [ 924.538373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 924.538373][ T73] netdev_get_by_index+0x5e/0x80 [ 924.538373][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.538373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.538373][ T73] ip6_route_add+0x1c/0x140 [ 924.538373][ T73] addrconf_prefix_route+0x2a6/0x430 [ 924.538373][ T73] inet6_addr_add+0x4f8/0xa40 [ 924.538373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.538373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.538373][ T73] netlink_rcv_skb+0x130/0x360 [ 924.538373][ T73] netlink_unicast+0x449/0x710 [ 924.538373][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.538373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.538373][ T73] ___sys_sendmsg+0xee/0x170 [ 924.538373][ T73] __sys_sendmsg+0xcd/0x170 [ 924.538373][ T73] do_syscall_64+0xc6/0x1e0 [ 924.538373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.538373][ T73] [ 924.540481][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 924.540481][ T73] netdev_get_by_index+0x5e/0x80 [ 924.540481][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.540481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.540481][ T73] addrconf_f6i_alloc+0x315/0x560 [ 924.540481][ T73] ipv6_add_addr+0x411/0x2000 [ 924.540481][ T73] inet6_addr_add+0x30e/0xa40 [ 924.540481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.540481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.540481][ T73] netlink_rcv_skb+0x130/0x360 [ 924.540481][ T73] netlink_unicast+0x449/0x710 [ 924.540481][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.540481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.540481][ T73] ___sys_sendmsg+0xee/0x170 [ 924.540481][ T73] __sys_sendmsg+0xcd/0x170 [ 924.540481][ T73] do_syscall_64+0xc6/0x1e0 [ 924.540481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.540481][ T73] [ 924.542713][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 924.542713][ T73] netdev_get_by_index+0x5e/0x80 [ 924.542713][ T73] fib6_nh_init+0x3d8/0x1580 [ 924.542713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 924.542713][ T73] ip6_route_add+0x1c/0x140 [ 924.542713][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 924.542713][ T73] addrconf_add_dev+0xe2/0x170 [ 924.542713][ T73] inet6_addr_add+0x12f/0xa40 [ 924.542713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 924.542713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.542713][ T73] netlink_rcv_skb+0x130/0x360 [ 924.542713][ T73] netlink_unicast+0x449/0x710 [ 924.542713][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.542713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.542713][ T73] ___sys_sendmsg+0xee/0x170 [ 924.542713][ T73] __sys_sendmsg+0xcd/0x170 [ 924.542713][ T73] do_syscall_64+0xc6/0x1e0 [ 924.542713][ T73] [ 924.544906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 924.544906][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 924.544906][ T73] ipv6_find_idev+0x102/0x170 [ 924.544906][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.544906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.544906][ T73] netlink_rcv_skb+0x130/0x360 [ 924.544906][ T73] netlink_unicast+0x449/0x710 [ 924.544906][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.544906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.544906][ T73] ___sys_sendmsg+0xee/0x170 [ 924.544906][ T73] __sys_sendmsg+0xcd/0x170 [ 924.544906][ T73] do_syscall_64+0xc6/0x1e0 [ 924.544906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.544906][ T73] [ 924.546622][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 924.546622][ T73] neigh_parms_alloc+0x1e5/0x510 [ 924.546622][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 924.546622][ T73] ipv6_find_idev+0x102/0x170 [ 924.546622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.546622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.546622][ T73] netlink_rcv_skb+0x130/0x360 [ 924.546622][ T73] netlink_unicast+0x449/0x710 [ 924.546622][ T73] netlink_sendmsg+0x723/0xbe0 [ 924.546622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 924.546622][ T73] ___sys_sendmsg+0xee/0x170 [ 924.546622][ T73] __sys_sendmsg+0xcd/0x170 [ 924.546622][ T73] do_syscall_64+0xc6/0x1e0 [ 924.546622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.546622][ T73] [ 934.790930][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 934.791367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.791367][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 934.791367][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 934.791367][ T73] fib6_nh_init+0xa22/0x1580 [ 934.791367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.791367][ T73] ip6_route_add+0x1c/0x140 [ 934.791367][ T73] inet6_rtm_newroute+0x104/0x110 [ 934.791367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.791367][ T73] netlink_rcv_skb+0x130/0x360 [ 934.791367][ T73] netlink_unicast+0x449/0x710 [ 934.791367][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.791367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.791367][ T73] ___sys_sendmsg+0xee/0x170 [ 934.791367][ T73] __sys_sendmsg+0xcd/0x170 [ 934.791367][ T73] do_syscall_64+0xc6/0x1e0 [ 934.791367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.791367][ T73] [ 934.793254][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.793254][ T73] dst_init+0x84/0x4a0 [ 934.793254][ T73] dst_alloc+0x97/0x150 [ 934.793254][ T73] ip6_dst_alloc+0x23/0x90 [ 934.793254][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 934.793254][ T73] ip6_pol_route+0x56f/0x840 [ 934.793254][ T73] fib6_rule_lookup+0x456/0x630 [ 934.793254][ T73] ip6_route_input+0x59c/0xa50 [ 934.793254][ T73] ipv6_rcv+0x397/0x810 [ 934.793254][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 934.793254][ T73] process_backlog+0x101/0x620 [ 934.793254][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 934.793254][ T73] net_rx_action+0x495/0xbe0 [ 934.793254][ T73] __do_softirq+0x1b5/0x7f6 [ 934.793254][ T73] [ 934.794885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.794885][ T73] netdev_get_by_index+0x5e/0x80 [ 934.794885][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.794885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.794885][ T73] ip6_route_add+0x1c/0x140 [ 934.794885][ T73] addrconf_prefix_route+0x2a6/0x430 [ 934.794885][ T73] inet6_addr_add+0x4f8/0xa40 [ 934.794885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.794885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.794885][ T73] netlink_rcv_skb+0x130/0x360 [ 934.794885][ T73] netlink_unicast+0x449/0x710 [ 934.794885][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.794885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.794885][ T73] ___sys_sendmsg+0xee/0x170 [ 934.794885][ T73] __sys_sendmsg+0xcd/0x170 [ 934.794885][ T73] do_syscall_64+0xc6/0x1e0 [ 934.794885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.794885][ T73] [ 934.796890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.796890][ T73] netdev_get_by_index+0x5e/0x80 [ 934.796890][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.796890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.796890][ T73] addrconf_f6i_alloc+0x315/0x560 [ 934.796890][ T73] ipv6_add_addr+0x411/0x2000 [ 934.796890][ T73] inet6_addr_add+0x30e/0xa40 [ 934.796890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.796890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.796890][ T73] netlink_rcv_skb+0x130/0x360 [ 934.796890][ T73] netlink_unicast+0x449/0x710 [ 934.796890][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.796890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.796890][ T73] ___sys_sendmsg+0xee/0x170 [ 934.796890][ T73] __sys_sendmsg+0xcd/0x170 [ 934.796890][ T73] do_syscall_64+0xc6/0x1e0 [ 934.796890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.796890][ T73] [ 934.798876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.798876][ T73] netdev_get_by_index+0x5e/0x80 [ 934.798876][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.798876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.798876][ T73] ip6_route_add+0x1c/0x140 [ 934.798876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 934.798876][ T73] addrconf_add_dev+0xe2/0x170 [ 934.798876][ T73] inet6_addr_add+0x12f/0xa40 [ 934.798876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.798876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.798876][ T73] netlink_rcv_skb+0x130/0x360 [ 934.798876][ T73] netlink_unicast+0x449/0x710 [ 934.798876][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.798876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.798876][ T73] ___sys_sendmsg+0xee/0x170 [ 934.798876][ T73] __sys_sendmsg+0xcd/0x170 [ 934.798876][ T73] do_syscall_64+0xc6/0x1e0 [ 934.798876][ T73] [ 934.800825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.800825][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 934.800825][ T73] ipv6_find_idev+0x102/0x170 [ 934.800825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.800825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.800825][ T73] netlink_rcv_skb+0x130/0x360 [ 934.800825][ T73] netlink_unicast+0x449/0x710 [ 934.800825][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.800825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.800825][ T73] ___sys_sendmsg+0xee/0x170 [ 934.800825][ T73] __sys_sendmsg+0xcd/0x170 [ 934.800825][ T73] do_syscall_64+0xc6/0x1e0 [ 934.800825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.800825][ T73] [ 934.802355][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 934.802355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 934.802355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 934.802355][ T73] ipv6_find_idev+0x102/0x170 [ 934.802355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.802355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.802355][ T73] netlink_rcv_skb+0x130/0x360 [ 934.802355][ T73] netlink_unicast+0x449/0x710 [ 934.802355][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.802355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.802355][ T73] ___sys_sendmsg+0xee/0x170 [ 934.802355][ T73] __sys_sendmsg+0xcd/0x170 [ 934.802355][ T73] do_syscall_64+0xc6/0x1e0 [ 934.802355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.802355][ T73] [ 934.804562][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 934.804852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.804852][ T73] dst_init+0x84/0x4a0 [ 934.804852][ T73] dst_alloc+0x97/0x150 [ 934.804852][ T73] ip6_dst_alloc+0x23/0x90 [ 934.804852][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 934.804852][ T73] ip6_pol_route+0x56f/0x840 [ 934.804852][ T73] fib6_rule_lookup+0x456/0x630 [ 934.804852][ T73] ip6_route_input+0x59c/0xa50 [ 934.804852][ T73] ipv6_rcv+0x397/0x810 [ 934.804852][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 934.804852][ T73] process_backlog+0x101/0x620 [ 934.804852][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 934.804852][ T73] net_rx_action+0x495/0xbe0 [ 934.804852][ T73] __do_softirq+0x1b5/0x7f6 [ 934.804852][ T73] [ 934.806489][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.806489][ T73] netdev_get_by_index+0x5e/0x80 [ 934.806489][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.806489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.806489][ T73] addrconf_f6i_alloc+0x265/0x560 [ 934.806489][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 934.806489][ T73] addrconf_join_anycast+0x1c0/0x220 [ 934.806489][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 934.806489][ T73] addrconf_dad_completed+0x12b/0xe20 [ 934.806489][ T73] addrconf_dad_begin+0x310/0x670 [ 934.806489][ T73] addrconf_dad_work+0x10b/0xab0 [ 934.806489][ T73] process_one_work+0x84d/0x18a0 [ 934.806489][ T73] worker_thread+0x587/0xd30 [ 934.806489][ T73] kthread+0x28a/0x350 [ 934.806489][ T73] ret_from_fork+0x31/0x70 [ 934.806489][ T73] ret_from_fork_asm+0x1a/0x30 [ 934.806489][ T73] [ 934.808387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.808387][ T73] netdev_get_by_index+0x5e/0x80 [ 934.808387][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.808387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.808387][ T73] ip6_route_add+0x1c/0x140 [ 934.808387][ T73] addrconf_prefix_route+0x2a6/0x430 [ 934.808387][ T73] inet6_addr_add+0x4f8/0xa40 [ 934.808387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.808387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.808387][ T73] netlink_rcv_skb+0x130/0x360 [ 934.808387][ T73] netlink_unicast+0x449/0x710 [ 934.808387][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.808387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.808387][ T73] ___sys_sendmsg+0xee/0x170 [ 934.808387][ T73] __sys_sendmsg+0xcd/0x170 [ 934.808387][ T73] do_syscall_64+0xc6/0x1e0 [ 934.808387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.808387][ T73] [ 934.810370][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.810370][ T73] netdev_get_by_index+0x5e/0x80 [ 934.810370][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.810370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.810370][ T73] addrconf_f6i_alloc+0x315/0x560 [ 934.810370][ T73] ipv6_add_addr+0x411/0x2000 [ 934.810370][ T73] inet6_addr_add+0x30e/0xa40 [ 934.810370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.810370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.810370][ T73] netlink_rcv_skb+0x130/0x360 [ 934.810370][ T73] netlink_unicast+0x449/0x710 [ 934.810370][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.810370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.810370][ T73] ___sys_sendmsg+0xee/0x170 [ 934.810370][ T73] __sys_sendmsg+0xcd/0x170 [ 934.810370][ T73] do_syscall_64+0xc6/0x1e0 [ 934.810370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.810370][ T73] [ 934.812357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.812357][ T73] netdev_get_by_index+0x5e/0x80 [ 934.812357][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.812357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.812357][ T73] ip6_route_add+0x1c/0x140 [ 934.812357][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 934.812357][ T73] addrconf_add_dev+0xe2/0x170 [ 934.812357][ T73] inet6_addr_add+0x12f/0xa40 [ 934.812357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.812357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.812357][ T73] netlink_rcv_skb+0x130/0x360 [ 934.812357][ T73] netlink_unicast+0x449/0x710 [ 934.812357][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.812357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.812357][ T73] ___sys_sendmsg+0xee/0x170 [ 934.812357][ T73] __sys_sendmsg+0xcd/0x170 [ 934.812357][ T73] do_syscall_64+0xc6/0x1e0 [ 934.812357][ T73] [ 934.814305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.814305][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 934.814305][ T73] ipv6_find_idev+0x102/0x170 [ 934.814305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.814305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.814305][ T73] netlink_rcv_skb+0x130/0x360 [ 934.814305][ T73] netlink_unicast+0x449/0x710 [ 934.814305][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.814305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.814305][ T73] ___sys_sendmsg+0xee/0x170 [ 934.814305][ T73] __sys_sendmsg+0xcd/0x170 [ 934.814305][ T73] do_syscall_64+0xc6/0x1e0 [ 934.814305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.814305][ T73] [ 934.815838][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 934.815838][ T73] neigh_parms_alloc+0x1e5/0x510 [ 934.815838][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 934.815838][ T73] ipv6_find_idev+0x102/0x170 [ 934.815838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.815838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.815838][ T73] netlink_rcv_skb+0x130/0x360 [ 934.815838][ T73] netlink_unicast+0x449/0x710 [ 934.815838][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.815838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.815838][ T73] ___sys_sendmsg+0xee/0x170 [ 934.815838][ T73] __sys_sendmsg+0xcd/0x170 [ 934.815838][ T73] do_syscall_64+0xc6/0x1e0 [ 934.815838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.815838][ T73] [ 934.817652][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 934.817930][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.817930][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 934.817930][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 934.817930][ T73] fib6_nh_init+0xa22/0x1580 [ 934.817930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.817930][ T73] ip6_route_add+0x1c/0x140 [ 934.817930][ T73] inet6_rtm_newroute+0x104/0x110 [ 934.817930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.817930][ T73] netlink_rcv_skb+0x130/0x360 [ 934.817930][ T73] netlink_unicast+0x449/0x710 [ 934.817930][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.817930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.817930][ T73] ___sys_sendmsg+0xee/0x170 [ 934.817930][ T73] __sys_sendmsg+0xcd/0x170 [ 934.817930][ T73] do_syscall_64+0xc6/0x1e0 [ 934.817930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.817930][ T73] [ 934.820040][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.820040][ T73] dst_init+0x84/0x4a0 [ 934.820040][ T73] dst_alloc+0x97/0x150 [ 934.820040][ T73] ip6_dst_alloc+0x23/0x90 [ 934.820040][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 934.820040][ T73] ip6_pol_route+0x56f/0x840 [ 934.820040][ T73] fib6_rule_lookup+0x456/0x630 [ 934.820040][ T73] ip6_route_input+0x59c/0xa50 [ 934.820040][ T73] ipv6_rcv+0x397/0x810 [ 934.820040][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 934.820040][ T73] process_backlog+0x101/0x620 [ 934.820040][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 934.820040][ T73] net_rx_action+0x495/0xbe0 [ 934.820040][ T73] __do_softirq+0x1b5/0x7f6 [ 934.820040][ T73] [ 934.822278][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.822278][ T73] netdev_get_by_index+0x5e/0x80 [ 934.822278][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.822278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.822278][ T73] ip6_route_add+0x1c/0x140 [ 934.822278][ T73] addrconf_prefix_route+0x2a6/0x430 [ 934.822278][ T73] inet6_addr_add+0x4f8/0xa40 [ 934.822278][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.822278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.822278][ T73] netlink_rcv_skb+0x130/0x360 [ 934.822278][ T73] netlink_unicast+0x449/0x710 [ 934.822278][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.822278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.822278][ T73] ___sys_sendmsg+0xee/0x170 [ 934.822278][ T73] __sys_sendmsg+0xcd/0x170 [ 934.822278][ T73] do_syscall_64+0xc6/0x1e0 [ 934.822278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.822278][ T73] [ 934.824510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.824510][ T73] netdev_get_by_index+0x5e/0x80 [ 934.824510][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.824510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.824510][ T73] addrconf_f6i_alloc+0x315/0x560 [ 934.824510][ T73] ipv6_add_addr+0x411/0x2000 [ 934.824510][ T73] inet6_addr_add+0x30e/0xa40 [ 934.824510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.824510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.824510][ T73] netlink_rcv_skb+0x130/0x360 [ 934.824510][ T73] netlink_unicast+0x449/0x710 [ 934.824510][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.824510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.824510][ T73] ___sys_sendmsg+0xee/0x170 [ 934.824510][ T73] __sys_sendmsg+0xcd/0x170 [ 934.824510][ T73] do_syscall_64+0xc6/0x1e0 [ 934.824510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.824510][ T73] [ 934.826810][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.826810][ T73] netdev_get_by_index+0x5e/0x80 [ 934.826810][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.826810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.826810][ T73] ip6_route_add+0x1c/0x140 [ 934.826810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 934.826810][ T73] addrconf_add_dev+0xe2/0x170 [ 934.826810][ T73] inet6_addr_add+0x12f/0xa40 [ 934.826810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.826810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.826810][ T73] netlink_rcv_skb+0x130/0x360 [ 934.826810][ T73] netlink_unicast+0x449/0x710 [ 934.826810][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.826810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.826810][ T73] ___sys_sendmsg+0xee/0x170 [ 934.826810][ T73] __sys_sendmsg+0xcd/0x170 [ 934.826810][ T73] do_syscall_64+0xc6/0x1e0 [ 934.826810][ T73] [ 934.828943][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.828943][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 934.828943][ T73] ipv6_find_idev+0x102/0x170 [ 934.828943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.828943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.828943][ T73] netlink_rcv_skb+0x130/0x360 [ 934.828943][ T73] netlink_unicast+0x449/0x710 [ 934.828943][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.828943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.828943][ T73] ___sys_sendmsg+0xee/0x170 [ 934.828943][ T73] __sys_sendmsg+0xcd/0x170 [ 934.828943][ T73] do_syscall_64+0xc6/0x1e0 [ 934.828943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.828943][ T73] [ 934.830655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 934.830655][ T73] neigh_parms_alloc+0x1e5/0x510 [ 934.830655][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 934.830655][ T73] ipv6_find_idev+0x102/0x170 [ 934.830655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.830655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.830655][ T73] netlink_rcv_skb+0x130/0x360 [ 934.830655][ T73] netlink_unicast+0x449/0x710 [ 934.830655][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.830655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.830655][ T73] ___sys_sendmsg+0xee/0x170 [ 934.830655][ T73] __sys_sendmsg+0xcd/0x170 [ 934.830655][ T73] do_syscall_64+0xc6/0x1e0 [ 934.830655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.830655][ T73] [ 934.832570][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 934.833271][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 934.833271][ T73] netdev_get_by_index+0x5e/0x80 [ 934.833271][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.833271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.833271][ T73] addrconf_f6i_alloc+0x265/0x560 [ 934.833271][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 934.833271][ T73] addrconf_join_anycast+0x1c0/0x220 [ 934.833271][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 934.833271][ T73] addrconf_dad_completed+0x12b/0xe20 [ 934.833271][ T73] addrconf_dad_begin+0x310/0x670 [ 934.833271][ T73] addrconf_dad_work+0x10b/0xab0 [ 934.833271][ T73] process_one_work+0x84d/0x18a0 [ 934.833271][ T73] worker_thread+0x587/0xd30 [ 934.833271][ T73] kthread+0x28a/0x350 [ 934.833271][ T73] ret_from_fork+0x31/0x70 [ 934.833271][ T73] ret_from_fork_asm+0x1a/0x30 [ 934.833271][ T73] [ 934.835170][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 934.835170][ T73] netdev_get_by_index+0x5e/0x80 [ 934.835170][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.835170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.835170][ T73] ip6_route_add+0x1c/0x140 [ 934.835170][ T73] addrconf_prefix_route+0x2a6/0x430 [ 934.835170][ T73] inet6_addr_add+0x4f8/0xa40 [ 934.835170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.835170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.835170][ T73] netlink_rcv_skb+0x130/0x360 [ 934.835170][ T73] netlink_unicast+0x449/0x710 [ 934.835170][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.835170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.835170][ T73] ___sys_sendmsg+0xee/0x170 [ 934.835170][ T73] __sys_sendmsg+0xcd/0x170 [ 934.835170][ T73] do_syscall_64+0xc6/0x1e0 [ 934.835170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.835170][ T73] [ 934.837292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 934.837292][ T73] netdev_get_by_index+0x5e/0x80 [ 934.837292][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.837292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.837292][ T73] addrconf_f6i_alloc+0x315/0x560 [ 934.837292][ T73] ipv6_add_addr+0x411/0x2000 [ 934.837292][ T73] inet6_addr_add+0x30e/0xa40 [ 934.837292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.837292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.837292][ T73] netlink_rcv_skb+0x130/0x360 [ 934.837292][ T73] netlink_unicast+0x449/0x710 [ 934.837292][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.837292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.837292][ T73] ___sys_sendmsg+0xee/0x170 [ 934.837292][ T73] __sys_sendmsg+0xcd/0x170 [ 934.837292][ T73] do_syscall_64+0xc6/0x1e0 [ 934.837292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.837292][ T73] [ 934.839620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 934.839620][ T73] netdev_get_by_index+0x5e/0x80 [ 934.839620][ T73] fib6_nh_init+0x3d8/0x1580 [ 934.839620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 934.839620][ T73] ip6_route_add+0x1c/0x140 [ 934.839620][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 934.839620][ T73] addrconf_add_dev+0xe2/0x170 [ 934.839620][ T73] inet6_addr_add+0x12f/0xa40 [ 934.839620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 934.839620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.839620][ T73] netlink_rcv_skb+0x130/0x360 [ 934.839620][ T73] netlink_unicast+0x449/0x710 [ 934.839620][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.839620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.839620][ T73] ___sys_sendmsg+0xee/0x170 [ 934.839620][ T73] __sys_sendmsg+0xcd/0x170 [ 934.839620][ T73] do_syscall_64+0xc6/0x1e0 [ 934.839620][ T73] [ 934.841887][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 934.841887][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 934.841887][ T73] ipv6_find_idev+0x102/0x170 [ 934.841887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.841887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.841887][ T73] netlink_rcv_skb+0x130/0x360 [ 934.841887][ T73] netlink_unicast+0x449/0x710 [ 934.841887][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.841887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.841887][ T73] ___sys_sendmsg+0xee/0x170 [ 934.841887][ T73] __sys_sendmsg+0xcd/0x170 [ 934.841887][ T73] do_syscall_64+0xc6/0x1e0 [ 934.841887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.841887][ T73] [ 934.843601][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 934.843601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 934.843601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 934.843601][ T73] ipv6_find_idev+0x102/0x170 [ 934.843601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 934.843601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 934.843601][ T73] netlink_rcv_skb+0x130/0x360 [ 934.843601][ T73] netlink_unicast+0x449/0x710 [ 934.843601][ T73] netlink_sendmsg+0x723/0xbe0 [ 934.843601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 934.843601][ T73] ___sys_sendmsg+0xee/0x170 [ 934.843601][ T73] __sys_sendmsg+0xcd/0x170 [ 934.843601][ T73] do_syscall_64+0xc6/0x1e0 [ 934.843601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 934.843601][ T73] [ 944.902947][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 944.903469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.903469][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 944.903469][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 944.903469][ T73] fib6_nh_init+0xa22/0x1580 [ 944.903469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.903469][ T73] ip6_route_add+0x1c/0x140 [ 944.903469][ T73] inet6_rtm_newroute+0x104/0x110 [ 944.903469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.903469][ T73] netlink_rcv_skb+0x130/0x360 [ 944.903469][ T73] netlink_unicast+0x449/0x710 [ 944.903469][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.903469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.903469][ T73] ___sys_sendmsg+0xee/0x170 [ 944.903469][ T73] __sys_sendmsg+0xcd/0x170 [ 944.903469][ T73] do_syscall_64+0xc6/0x1e0 [ 944.903469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.903469][ T73] [ 944.905598][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.905598][ T73] dst_init+0x84/0x4a0 [ 944.905598][ T73] dst_alloc+0x97/0x150 [ 944.905598][ T73] ip6_dst_alloc+0x23/0x90 [ 944.905598][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 944.905598][ T73] ip6_pol_route+0x56f/0x840 [ 944.905598][ T73] fib6_rule_lookup+0x456/0x630 [ 944.905598][ T73] ip6_route_input+0x59c/0xa50 [ 944.905598][ T73] ipv6_rcv+0x397/0x810 [ 944.905598][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 944.905598][ T73] process_backlog+0x101/0x620 [ 944.905598][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 944.905598][ T73] net_rx_action+0x495/0xbe0 [ 944.905598][ T73] __do_softirq+0x1b5/0x7f6 [ 944.905598][ T73] [ 944.907431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.907431][ T73] netdev_get_by_index+0x5e/0x80 [ 944.907431][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.907431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.907431][ T73] ip6_route_add+0x1c/0x140 [ 944.907431][ T73] addrconf_prefix_route+0x2a6/0x430 [ 944.907431][ T73] inet6_addr_add+0x4f8/0xa40 [ 944.907431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.907431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.907431][ T73] netlink_rcv_skb+0x130/0x360 [ 944.907431][ T73] netlink_unicast+0x449/0x710 [ 944.907431][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.907431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.907431][ T73] ___sys_sendmsg+0xee/0x170 [ 944.907431][ T73] __sys_sendmsg+0xcd/0x170 [ 944.907431][ T73] do_syscall_64+0xc6/0x1e0 [ 944.907431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.907431][ T73] [ 944.909700][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.909700][ T73] netdev_get_by_index+0x5e/0x80 [ 944.909700][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.909700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.909700][ T73] addrconf_f6i_alloc+0x315/0x560 [ 944.909700][ T73] ipv6_add_addr+0x411/0x2000 [ 944.909700][ T73] inet6_addr_add+0x30e/0xa40 [ 944.909700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.909700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.909700][ T73] netlink_rcv_skb+0x130/0x360 [ 944.909700][ T73] netlink_unicast+0x449/0x710 [ 944.909700][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.909700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.909700][ T73] ___sys_sendmsg+0xee/0x170 [ 944.909700][ T73] __sys_sendmsg+0xcd/0x170 [ 944.909700][ T73] do_syscall_64+0xc6/0x1e0 [ 944.909700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.909700][ T73] [ 944.911929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.911929][ T73] netdev_get_by_index+0x5e/0x80 [ 944.911929][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.911929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.911929][ T73] ip6_route_add+0x1c/0x140 [ 944.911929][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 944.911929][ T73] addrconf_add_dev+0xe2/0x170 [ 944.911929][ T73] inet6_addr_add+0x12f/0xa40 [ 944.911929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.911929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.911929][ T73] netlink_rcv_skb+0x130/0x360 [ 944.911929][ T73] netlink_unicast+0x449/0x710 [ 944.911929][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.911929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.911929][ T73] ___sys_sendmsg+0xee/0x170 [ 944.911929][ T73] __sys_sendmsg+0xcd/0x170 [ 944.911929][ T73] do_syscall_64+0xc6/0x1e0 [ 944.911929][ T73] [ 944.914128][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.914128][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 944.914128][ T73] ipv6_find_idev+0x102/0x170 [ 944.914128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.914128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.914128][ T73] netlink_rcv_skb+0x130/0x360 [ 944.914128][ T73] netlink_unicast+0x449/0x710 [ 944.914128][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.914128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.914128][ T73] ___sys_sendmsg+0xee/0x170 [ 944.914128][ T73] __sys_sendmsg+0xcd/0x170 [ 944.914128][ T73] do_syscall_64+0xc6/0x1e0 [ 944.914128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.914128][ T73] [ 944.915859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 944.915859][ T73] neigh_parms_alloc+0x1e5/0x510 [ 944.915859][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 944.915859][ T73] ipv6_find_idev+0x102/0x170 [ 944.915859][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.915859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.915859][ T73] netlink_rcv_skb+0x130/0x360 [ 944.915859][ T73] netlink_unicast+0x449/0x710 [ 944.915859][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.915859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.915859][ T73] ___sys_sendmsg+0xee/0x170 [ 944.915859][ T73] __sys_sendmsg+0xcd/0x170 [ 944.915859][ T73] do_syscall_64+0xc6/0x1e0 [ 944.915859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.915859][ T73] [ 944.917766][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 944.918095][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.918095][ T73] dst_init+0x84/0x4a0 [ 944.918095][ T73] dst_alloc+0x97/0x150 [ 944.918095][ T73] ip6_dst_alloc+0x23/0x90 [ 944.918095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 944.918095][ T73] ip6_pol_route+0x56f/0x840 [ 944.918095][ T73] fib6_rule_lookup+0x456/0x630 [ 944.918095][ T73] ip6_route_input+0x59c/0xa50 [ 944.918095][ T73] ipv6_rcv+0x397/0x810 [ 944.918095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 944.918095][ T73] process_backlog+0x101/0x620 [ 944.918095][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 944.918095][ T73] net_rx_action+0x495/0xbe0 [ 944.918095][ T73] __do_softirq+0x1b5/0x7f6 [ 944.918095][ T73] [ 944.919925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.919925][ T73] netdev_get_by_index+0x5e/0x80 [ 944.919925][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.919925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.919925][ T73] addrconf_f6i_alloc+0x265/0x560 [ 944.919925][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 944.919925][ T73] addrconf_join_anycast+0x1c0/0x220 [ 944.919925][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 944.919925][ T73] addrconf_dad_completed+0x12b/0xe20 [ 944.919925][ T73] addrconf_dad_begin+0x310/0x670 [ 944.919925][ T73] addrconf_dad_work+0x10b/0xab0 [ 944.919925][ T73] process_one_work+0x84d/0x18a0 [ 944.919925][ T73] worker_thread+0x587/0xd30 [ 944.919925][ T73] kthread+0x28a/0x350 [ 944.919925][ T73] ret_from_fork+0x31/0x70 [ 944.919925][ T73] ret_from_fork_asm+0x1a/0x30 [ 944.919925][ T73] [ 944.922061][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.922061][ T73] netdev_get_by_index+0x5e/0x80 [ 944.922061][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.922061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.922061][ T73] ip6_route_add+0x1c/0x140 [ 944.922061][ T73] addrconf_prefix_route+0x2a6/0x430 [ 944.922061][ T73] inet6_addr_add+0x4f8/0xa40 [ 944.922061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.922061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.922061][ T73] netlink_rcv_skb+0x130/0x360 [ 944.922061][ T73] netlink_unicast+0x449/0x710 [ 944.922061][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.922061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.922061][ T73] ___sys_sendmsg+0xee/0x170 [ 944.922061][ T73] __sys_sendmsg+0xcd/0x170 [ 944.922061][ T73] do_syscall_64+0xc6/0x1e0 [ 944.922061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.922061][ T73] [ 944.924341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.924341][ T73] netdev_get_by_index+0x5e/0x80 [ 944.924341][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.924341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.924341][ T73] addrconf_f6i_alloc+0x315/0x560 [ 944.924341][ T73] ipv6_add_addr+0x411/0x2000 [ 944.924341][ T73] inet6_addr_add+0x30e/0xa40 [ 944.924341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.924341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.924341][ T73] netlink_rcv_skb+0x130/0x360 [ 944.924341][ T73] netlink_unicast+0x449/0x710 [ 944.924341][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.924341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.924341][ T73] ___sys_sendmsg+0xee/0x170 [ 944.924341][ T73] __sys_sendmsg+0xcd/0x170 [ 944.924341][ T73] do_syscall_64+0xc6/0x1e0 [ 944.924341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.924341][ T73] [ 944.926592][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.926592][ T73] netdev_get_by_index+0x5e/0x80 [ 944.926592][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.926592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.926592][ T73] ip6_route_add+0x1c/0x140 [ 944.926592][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 944.926592][ T73] addrconf_add_dev+0xe2/0x170 [ 944.926592][ T73] inet6_addr_add+0x12f/0xa40 [ 944.926592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.926592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.926592][ T73] netlink_rcv_skb+0x130/0x360 [ 944.926592][ T73] netlink_unicast+0x449/0x710 [ 944.926592][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.926592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.926592][ T73] ___sys_sendmsg+0xee/0x170 [ 944.926592][ T73] __sys_sendmsg+0xcd/0x170 [ 944.926592][ T73] do_syscall_64+0xc6/0x1e0 [ 944.926592][ T73] [ 944.928792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.928792][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 944.928792][ T73] ipv6_find_idev+0x102/0x170 [ 944.928792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.928792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.928792][ T73] netlink_rcv_skb+0x130/0x360 [ 944.928792][ T73] netlink_unicast+0x449/0x710 [ 944.928792][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.928792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.928792][ T73] ___sys_sendmsg+0xee/0x170 [ 944.928792][ T73] __sys_sendmsg+0xcd/0x170 [ 944.928792][ T73] do_syscall_64+0xc6/0x1e0 [ 944.928792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.928792][ T73] [ 944.930918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 944.930918][ T73] neigh_parms_alloc+0x1e5/0x510 [ 944.930918][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 944.930918][ T73] ipv6_find_idev+0x102/0x170 [ 944.930918][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.930918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.930918][ T73] netlink_rcv_skb+0x130/0x360 [ 944.930918][ T73] netlink_unicast+0x449/0x710 [ 944.930918][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.930918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.930918][ T73] ___sys_sendmsg+0xee/0x170 [ 944.930918][ T73] __sys_sendmsg+0xcd/0x170 [ 944.930918][ T73] do_syscall_64+0xc6/0x1e0 [ 944.930918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.930918][ T73] [ 944.932939][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 944.933233][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.933233][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 944.933233][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 944.933233][ T73] fib6_nh_init+0xa22/0x1580 [ 944.933233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.933233][ T73] ip6_route_add+0x1c/0x140 [ 944.933233][ T73] inet6_rtm_newroute+0x104/0x110 [ 944.933233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.933233][ T73] netlink_rcv_skb+0x130/0x360 [ 944.933233][ T73] netlink_unicast+0x449/0x710 [ 944.933233][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.933233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.933233][ T73] ___sys_sendmsg+0xee/0x170 [ 944.933233][ T73] __sys_sendmsg+0xcd/0x170 [ 944.933233][ T73] do_syscall_64+0xc6/0x1e0 [ 944.933233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.933233][ T73] [ 944.935578][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.935578][ T73] dst_init+0x84/0x4a0 [ 944.935578][ T73] dst_alloc+0x97/0x150 [ 944.935578][ T73] ip6_dst_alloc+0x23/0x90 [ 944.935578][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 944.935578][ T73] ip6_pol_route+0x56f/0x840 [ 944.935578][ T73] fib6_rule_lookup+0x456/0x630 [ 944.935578][ T73] ip6_route_input+0x59c/0xa50 [ 944.935578][ T73] ipv6_rcv+0x397/0x810 [ 944.935578][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 944.935578][ T73] process_backlog+0x101/0x620 [ 944.935578][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 944.935578][ T73] net_rx_action+0x495/0xbe0 [ 944.935578][ T73] __do_softirq+0x1b5/0x7f6 [ 944.935578][ T73] [ 944.937675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.937675][ T73] netdev_get_by_index+0x5e/0x80 [ 944.937675][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.937675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.937675][ T73] ip6_route_add+0x1c/0x140 [ 944.937675][ T73] addrconf_prefix_route+0x2a6/0x430 [ 944.937675][ T73] inet6_addr_add+0x4f8/0xa40 [ 944.937675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.937675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.937675][ T73] netlink_rcv_skb+0x130/0x360 [ 944.937675][ T73] netlink_unicast+0x449/0x710 [ 944.937675][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.937675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.937675][ T73] ___sys_sendmsg+0xee/0x170 [ 944.937675][ T73] __sys_sendmsg+0xcd/0x170 [ 944.937675][ T73] do_syscall_64+0xc6/0x1e0 [ 944.937675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.937675][ T73] [ 944.940158][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.940158][ T73] netdev_get_by_index+0x5e/0x80 [ 944.940158][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.940158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.940158][ T73] addrconf_f6i_alloc+0x315/0x560 [ 944.940158][ T73] ipv6_add_addr+0x411/0x2000 [ 944.940158][ T73] inet6_addr_add+0x30e/0xa40 [ 944.940158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.940158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.940158][ T73] netlink_rcv_skb+0x130/0x360 [ 944.940158][ T73] netlink_unicast+0x449/0x710 [ 944.940158][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.940158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.940158][ T73] ___sys_sendmsg+0xee/0x170 [ 944.940158][ T73] __sys_sendmsg+0xcd/0x170 [ 944.940158][ T73] do_syscall_64+0xc6/0x1e0 [ 944.940158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.940158][ T73] [ 944.942651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.942651][ T73] netdev_get_by_index+0x5e/0x80 [ 944.942651][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.942651][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.942651][ T73] ip6_route_add+0x1c/0x140 [ 944.942651][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 944.942651][ T73] addrconf_add_dev+0xe2/0x170 [ 944.942651][ T73] inet6_addr_add+0x12f/0xa40 [ 944.942651][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.942651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.942651][ T73] netlink_rcv_skb+0x130/0x360 [ 944.942651][ T73] netlink_unicast+0x449/0x710 [ 944.942651][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.942651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.942651][ T73] ___sys_sendmsg+0xee/0x170 [ 944.942651][ T73] __sys_sendmsg+0xcd/0x170 [ 944.942651][ T73] do_syscall_64+0xc6/0x1e0 [ 944.942651][ T73] [ 944.945087][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.945087][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 944.945087][ T73] ipv6_find_idev+0x102/0x170 [ 944.945087][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.945087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.945087][ T73] netlink_rcv_skb+0x130/0x360 [ 944.945087][ T73] netlink_unicast+0x449/0x710 [ 944.945087][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.945087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.945087][ T73] ___sys_sendmsg+0xee/0x170 [ 944.945087][ T73] __sys_sendmsg+0xcd/0x170 [ 944.945087][ T73] do_syscall_64+0xc6/0x1e0 [ 944.945087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.945087][ T73] [ 944.946948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 944.946948][ T73] neigh_parms_alloc+0x1e5/0x510 [ 944.946948][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 944.946948][ T73] ipv6_find_idev+0x102/0x170 [ 944.946948][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.946948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.946948][ T73] netlink_rcv_skb+0x130/0x360 [ 944.946948][ T73] netlink_unicast+0x449/0x710 [ 944.946948][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.946948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.946948][ T73] ___sys_sendmsg+0xee/0x170 [ 944.946948][ T73] __sys_sendmsg+0xcd/0x170 [ 944.946948][ T73] do_syscall_64+0xc6/0x1e0 [ 944.946948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.946948][ T73] [ 944.949134][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 944.949430][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 944.949430][ T73] netdev_get_by_index+0x5e/0x80 [ 944.949430][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.949430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.949430][ T73] addrconf_f6i_alloc+0x265/0x560 [ 944.949430][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 944.949430][ T73] addrconf_join_anycast+0x1c0/0x220 [ 944.949430][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 944.949430][ T73] addrconf_dad_completed+0x12b/0xe20 [ 944.949430][ T73] addrconf_dad_begin+0x310/0x670 [ 944.949430][ T73] addrconf_dad_work+0x10b/0xab0 [ 944.949430][ T73] process_one_work+0x84d/0x18a0 [ 944.949430][ T73] worker_thread+0x587/0xd30 [ 944.949430][ T73] kthread+0x28a/0x350 [ 944.949430][ T73] ret_from_fork+0x31/0x70 [ 944.949430][ T73] ret_from_fork_asm+0x1a/0x30 [ 944.949430][ T73] [ 944.951817][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 944.951817][ T73] netdev_get_by_index+0x5e/0x80 [ 944.951817][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.951817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.951817][ T73] ip6_route_add+0x1c/0x140 [ 944.951817][ T73] addrconf_prefix_route+0x2a6/0x430 [ 944.951817][ T73] inet6_addr_add+0x4f8/0xa40 [ 944.951817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.951817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.951817][ T73] netlink_rcv_skb+0x130/0x360 [ 944.951817][ T73] netlink_unicast+0x449/0x710 [ 944.951817][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.951817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.951817][ T73] ___sys_sendmsg+0xee/0x170 [ 944.951817][ T73] __sys_sendmsg+0xcd/0x170 [ 944.951817][ T73] do_syscall_64+0xc6/0x1e0 [ 944.951817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.951817][ T73] [ 944.954306][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 944.954306][ T73] netdev_get_by_index+0x5e/0x80 [ 944.954306][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.954306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.954306][ T73] addrconf_f6i_alloc+0x315/0x560 [ 944.954306][ T73] ipv6_add_addr+0x411/0x2000 [ 944.954306][ T73] inet6_addr_add+0x30e/0xa40 [ 944.954306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.954306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.954306][ T73] netlink_rcv_skb+0x130/0x360 [ 944.954306][ T73] netlink_unicast+0x449/0x710 [ 944.954306][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.954306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.954306][ T73] ___sys_sendmsg+0xee/0x170 [ 944.954306][ T73] __sys_sendmsg+0xcd/0x170 [ 944.954306][ T73] do_syscall_64+0xc6/0x1e0 [ 944.954306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.954306][ T73] [ 944.956731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 944.956731][ T73] netdev_get_by_index+0x5e/0x80 [ 944.956731][ T73] fib6_nh_init+0x3d8/0x1580 [ 944.956731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 944.956731][ T73] ip6_route_add+0x1c/0x140 [ 944.956731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 944.956731][ T73] addrconf_add_dev+0xe2/0x170 [ 944.956731][ T73] inet6_addr_add+0x12f/0xa40 [ 944.956731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 944.956731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.956731][ T73] netlink_rcv_skb+0x130/0x360 [ 944.956731][ T73] netlink_unicast+0x449/0x710 [ 944.956731][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.956731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.956731][ T73] ___sys_sendmsg+0xee/0x170 [ 944.956731][ T73] __sys_sendmsg+0xcd/0x170 [ 944.956731][ T73] do_syscall_64+0xc6/0x1e0 [ 944.956731][ T73] [ 944.959219][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 944.959219][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 944.959219][ T73] ipv6_find_idev+0x102/0x170 [ 944.959219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.959219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.959219][ T73] netlink_rcv_skb+0x130/0x360 [ 944.959219][ T73] netlink_unicast+0x449/0x710 [ 944.959219][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.959219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.959219][ T73] ___sys_sendmsg+0xee/0x170 [ 944.959219][ T73] __sys_sendmsg+0xcd/0x170 [ 944.959219][ T73] do_syscall_64+0xc6/0x1e0 [ 944.959219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.959219][ T73] [ 944.961132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 944.961132][ T73] neigh_parms_alloc+0x1e5/0x510 [ 944.961132][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 944.961132][ T73] ipv6_find_idev+0x102/0x170 [ 944.961132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 944.961132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 944.961132][ T73] netlink_rcv_skb+0x130/0x360 [ 944.961132][ T73] netlink_unicast+0x449/0x710 [ 944.961132][ T73] netlink_sendmsg+0x723/0xbe0 [ 944.961132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 944.961132][ T73] ___sys_sendmsg+0xee/0x170 [ 944.961132][ T73] __sys_sendmsg+0xcd/0x170 [ 944.961132][ T73] do_syscall_64+0xc6/0x1e0 [ 944.961132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 944.961132][ T73] [ 955.190877][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 955.191401][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.191401][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 955.191401][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 955.191401][ T73] fib6_nh_init+0xa22/0x1580 [ 955.191401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.191401][ T73] ip6_route_add+0x1c/0x140 [ 955.191401][ T73] inet6_rtm_newroute+0x104/0x110 [ 955.191401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.191401][ T73] netlink_rcv_skb+0x130/0x360 [ 955.191401][ T73] netlink_unicast+0x449/0x710 [ 955.191401][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.191401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.191401][ T73] ___sys_sendmsg+0xee/0x170 [ 955.191401][ T73] __sys_sendmsg+0xcd/0x170 [ 955.191401][ T73] do_syscall_64+0xc6/0x1e0 [ 955.191401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.191401][ T73] [ 955.193529][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.193529][ T73] dst_init+0x84/0x4a0 [ 955.193529][ T73] dst_alloc+0x97/0x150 [ 955.193529][ T73] ip6_dst_alloc+0x23/0x90 [ 955.193529][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 955.193529][ T73] ip6_pol_route+0x56f/0x840 [ 955.193529][ T73] fib6_rule_lookup+0x456/0x630 [ 955.193529][ T73] ip6_route_input+0x59c/0xa50 [ 955.193529][ T73] ipv6_rcv+0x397/0x810 [ 955.193529][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 955.193529][ T73] process_backlog+0x101/0x620 [ 955.193529][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 955.193529][ T73] net_rx_action+0x495/0xbe0 [ 955.193529][ T73] __do_softirq+0x1b5/0x7f6 [ 955.193529][ T73] [ 955.195397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.195397][ T73] netdev_get_by_index+0x5e/0x80 [ 955.195397][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.195397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.195397][ T73] ip6_route_add+0x1c/0x140 [ 955.195397][ T73] addrconf_prefix_route+0x2a6/0x430 [ 955.195397][ T73] inet6_addr_add+0x4f8/0xa40 [ 955.195397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.195397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.195397][ T73] netlink_rcv_skb+0x130/0x360 [ 955.195397][ T73] netlink_unicast+0x449/0x710 [ 955.195397][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.195397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.195397][ T73] ___sys_sendmsg+0xee/0x170 [ 955.195397][ T73] __sys_sendmsg+0xcd/0x170 [ 955.195397][ T73] do_syscall_64+0xc6/0x1e0 [ 955.195397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.195397][ T73] [ 955.197630][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.197630][ T73] netdev_get_by_index+0x5e/0x80 [ 955.197630][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.197630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.197630][ T73] addrconf_f6i_alloc+0x315/0x560 [ 955.197630][ T73] ipv6_add_addr+0x411/0x2000 [ 955.197630][ T73] inet6_addr_add+0x30e/0xa40 [ 955.197630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.197630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.197630][ T73] netlink_rcv_skb+0x130/0x360 [ 955.197630][ T73] netlink_unicast+0x449/0x710 [ 955.197630][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.197630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.197630][ T73] ___sys_sendmsg+0xee/0x170 [ 955.197630][ T73] __sys_sendmsg+0xcd/0x170 [ 955.197630][ T73] do_syscall_64+0xc6/0x1e0 [ 955.197630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.197630][ T73] [ 955.199883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.199883][ T73] netdev_get_by_index+0x5e/0x80 [ 955.199883][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.199883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.199883][ T73] ip6_route_add+0x1c/0x140 [ 955.199883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 955.199883][ T73] addrconf_add_dev+0xe2/0x170 [ 955.199883][ T73] inet6_addr_add+0x12f/0xa40 [ 955.199883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.199883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.199883][ T73] netlink_rcv_skb+0x130/0x360 [ 955.199883][ T73] netlink_unicast+0x449/0x710 [ 955.199883][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.199883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.199883][ T73] ___sys_sendmsg+0xee/0x170 [ 955.199883][ T73] __sys_sendmsg+0xcd/0x170 [ 955.199883][ T73] do_syscall_64+0xc6/0x1e0 [ 955.199883][ T73] [ 955.202652][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.202652][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 955.202652][ T73] ipv6_find_idev+0x102/0x170 [ 955.202652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.202652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.202652][ T73] netlink_rcv_skb+0x130/0x360 [ 955.202652][ T73] netlink_unicast+0x449/0x710 [ 955.202652][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.202652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.202652][ T73] ___sys_sendmsg+0xee/0x170 [ 955.202652][ T73] __sys_sendmsg+0xcd/0x170 [ 955.202652][ T73] do_syscall_64+0xc6/0x1e0 [ 955.202652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.202652][ T73] [ 955.204374][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 955.204374][ T73] neigh_parms_alloc+0x1e5/0x510 [ 955.204374][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 955.204374][ T73] ipv6_find_idev+0x102/0x170 [ 955.204374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.204374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.204374][ T73] netlink_rcv_skb+0x130/0x360 [ 955.204374][ T73] netlink_unicast+0x449/0x710 [ 955.204374][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.204374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.204374][ T73] ___sys_sendmsg+0xee/0x170 [ 955.204374][ T73] __sys_sendmsg+0xcd/0x170 [ 955.204374][ T73] do_syscall_64+0xc6/0x1e0 [ 955.204374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.204374][ T73] [ 955.206280][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 955.206608][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.206608][ T73] dst_init+0x84/0x4a0 [ 955.206608][ T73] dst_alloc+0x97/0x150 [ 955.206608][ T73] ip6_dst_alloc+0x23/0x90 [ 955.206608][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 955.206608][ T73] ip6_pol_route+0x56f/0x840 [ 955.206608][ T73] fib6_rule_lookup+0x456/0x630 [ 955.206608][ T73] ip6_route_input+0x59c/0xa50 [ 955.206608][ T73] ipv6_rcv+0x397/0x810 [ 955.206608][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 955.206608][ T73] process_backlog+0x101/0x620 [ 955.206608][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 955.206608][ T73] net_rx_action+0x495/0xbe0 [ 955.206608][ T73] __do_softirq+0x1b5/0x7f6 [ 955.206608][ T73] [ 955.208453][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.208453][ T73] netdev_get_by_index+0x5e/0x80 [ 955.208453][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.208453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.208453][ T73] addrconf_f6i_alloc+0x265/0x560 [ 955.208453][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 955.208453][ T73] addrconf_join_anycast+0x1c0/0x220 [ 955.208453][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 955.208453][ T73] addrconf_dad_completed+0x12b/0xe20 [ 955.208453][ T73] addrconf_dad_begin+0x310/0x670 [ 955.208453][ T73] addrconf_dad_work+0x10b/0xab0 [ 955.208453][ T73] process_one_work+0x84d/0x18a0 [ 955.208453][ T73] worker_thread+0x587/0xd30 [ 955.208453][ T73] kthread+0x28a/0x350 [ 955.208453][ T73] ret_from_fork+0x31/0x70 [ 955.208453][ T73] ret_from_fork_asm+0x1a/0x30 [ 955.208453][ T73] [ 955.210615][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.210615][ T73] netdev_get_by_index+0x5e/0x80 [ 955.210615][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.210615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.210615][ T73] ip6_route_add+0x1c/0x140 [ 955.210615][ T73] addrconf_prefix_route+0x2a6/0x430 [ 955.210615][ T73] inet6_addr_add+0x4f8/0xa40 [ 955.210615][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.210615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.210615][ T73] netlink_rcv_skb+0x130/0x360 [ 955.210615][ T73] netlink_unicast+0x449/0x710 [ 955.210615][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.210615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.210615][ T73] ___sys_sendmsg+0xee/0x170 [ 955.210615][ T73] __sys_sendmsg+0xcd/0x170 [ 955.210615][ T73] do_syscall_64+0xc6/0x1e0 [ 955.210615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.210615][ T73] [ 955.212895][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.212895][ T73] netdev_get_by_index+0x5e/0x80 [ 955.212895][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.212895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.212895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 955.212895][ T73] ipv6_add_addr+0x411/0x2000 [ 955.212895][ T73] inet6_addr_add+0x30e/0xa40 [ 955.212895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.212895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.212895][ T73] netlink_rcv_skb+0x130/0x360 [ 955.212895][ T73] netlink_unicast+0x449/0x710 [ 955.212895][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.212895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.212895][ T73] ___sys_sendmsg+0xee/0x170 [ 955.212895][ T73] __sys_sendmsg+0xcd/0x170 [ 955.212895][ T73] do_syscall_64+0xc6/0x1e0 [ 955.212895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.212895][ T73] [ 955.215162][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.215162][ T73] netdev_get_by_index+0x5e/0x80 [ 955.215162][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.215162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.215162][ T73] ip6_route_add+0x1c/0x140 [ 955.215162][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 955.215162][ T73] addrconf_add_dev+0xe2/0x170 [ 955.215162][ T73] inet6_addr_add+0x12f/0xa40 [ 955.215162][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.215162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.215162][ T73] netlink_rcv_skb+0x130/0x360 [ 955.215162][ T73] netlink_unicast+0x449/0x710 [ 955.215162][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.215162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.215162][ T73] ___sys_sendmsg+0xee/0x170 [ 955.215162][ T73] __sys_sendmsg+0xcd/0x170 [ 955.215162][ T73] do_syscall_64+0xc6/0x1e0 [ 955.215162][ T73] [ 955.217749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.217749][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 955.217749][ T73] ipv6_find_idev+0x102/0x170 [ 955.217749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.217749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.217749][ T73] netlink_rcv_skb+0x130/0x360 [ 955.217749][ T73] netlink_unicast+0x449/0x710 [ 955.217749][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.217749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.217749][ T73] ___sys_sendmsg+0xee/0x170 [ 955.217749][ T73] __sys_sendmsg+0xcd/0x170 [ 955.217749][ T73] do_syscall_64+0xc6/0x1e0 [ 955.217749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.217749][ T73] [ 955.219497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 955.219497][ T73] neigh_parms_alloc+0x1e5/0x510 [ 955.219497][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 955.219497][ T73] ipv6_find_idev+0x102/0x170 [ 955.219497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.219497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.219497][ T73] netlink_rcv_skb+0x130/0x360 [ 955.219497][ T73] netlink_unicast+0x449/0x710 [ 955.219497][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.219497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.219497][ T73] ___sys_sendmsg+0xee/0x170 [ 955.219497][ T73] __sys_sendmsg+0xcd/0x170 [ 955.219497][ T73] do_syscall_64+0xc6/0x1e0 [ 955.219497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.219497][ T73] [ 955.221476][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 955.221790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.221790][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 955.221790][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 955.221790][ T73] fib6_nh_init+0xa22/0x1580 [ 955.221790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.221790][ T73] ip6_route_add+0x1c/0x140 [ 955.221790][ T73] inet6_rtm_newroute+0x104/0x110 [ 955.221790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.221790][ T73] netlink_rcv_skb+0x130/0x360 [ 955.221790][ T73] netlink_unicast+0x449/0x710 [ 955.221790][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.221790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.221790][ T73] ___sys_sendmsg+0xee/0x170 [ 955.221790][ T73] __sys_sendmsg+0xcd/0x170 [ 955.221790][ T73] do_syscall_64+0xc6/0x1e0 [ 955.221790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.221790][ T73] [ 955.224139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.224139][ T73] dst_init+0x84/0x4a0 [ 955.224139][ T73] dst_alloc+0x97/0x150 [ 955.224139][ T73] ip6_dst_alloc+0x23/0x90 [ 955.224139][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 955.224139][ T73] ip6_pol_route+0x56f/0x840 [ 955.224139][ T73] fib6_rule_lookup+0x456/0x630 [ 955.224139][ T73] ip6_route_input+0x59c/0xa50 [ 955.224139][ T73] ipv6_rcv+0x397/0x810 [ 955.224139][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 955.224139][ T73] process_backlog+0x101/0x620 [ 955.224139][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 955.224139][ T73] net_rx_action+0x495/0xbe0 [ 955.224139][ T73] __do_softirq+0x1b5/0x7f6 [ 955.224139][ T73] [ 955.226114][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.226114][ T73] netdev_get_by_index+0x5e/0x80 [ 955.226114][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.226114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.226114][ T73] ip6_route_add+0x1c/0x140 [ 955.226114][ T73] addrconf_prefix_route+0x2a6/0x430 [ 955.226114][ T73] inet6_addr_add+0x4f8/0xa40 [ 955.226114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.226114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.226114][ T73] netlink_rcv_skb+0x130/0x360 [ 955.226114][ T73] netlink_unicast+0x449/0x710 [ 955.226114][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.226114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.226114][ T73] ___sys_sendmsg+0xee/0x170 [ 955.226114][ T73] __sys_sendmsg+0xcd/0x170 [ 955.226114][ T73] do_syscall_64+0xc6/0x1e0 [ 955.226114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.226114][ T73] [ 955.228507][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.228507][ T73] netdev_get_by_index+0x5e/0x80 [ 955.228507][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.228507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.228507][ T73] addrconf_f6i_alloc+0x315/0x560 [ 955.228507][ T73] ipv6_add_addr+0x411/0x2000 [ 955.228507][ T73] inet6_addr_add+0x30e/0xa40 [ 955.228507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.228507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.228507][ T73] netlink_rcv_skb+0x130/0x360 [ 955.228507][ T73] netlink_unicast+0x449/0x710 [ 955.228507][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.228507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.228507][ T73] ___sys_sendmsg+0xee/0x170 [ 955.228507][ T73] __sys_sendmsg+0xcd/0x170 [ 955.228507][ T73] do_syscall_64+0xc6/0x1e0 [ 955.228507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.228507][ T73] [ 955.230948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.230948][ T73] netdev_get_by_index+0x5e/0x80 [ 955.230948][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.230948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.230948][ T73] ip6_route_add+0x1c/0x140 [ 955.230948][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 955.230948][ T73] addrconf_add_dev+0xe2/0x170 [ 955.230948][ T73] inet6_addr_add+0x12f/0xa40 [ 955.230948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.230948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.230948][ T73] netlink_rcv_skb+0x130/0x360 [ 955.230948][ T73] netlink_unicast+0x449/0x710 [ 955.230948][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.230948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.230948][ T73] ___sys_sendmsg+0xee/0x170 [ 955.230948][ T73] __sys_sendmsg+0xcd/0x170 [ 955.230948][ T73] do_syscall_64+0xc6/0x1e0 [ 955.230948][ T73] [ 955.233268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.233268][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 955.233268][ T73] ipv6_find_idev+0x102/0x170 [ 955.233268][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.233268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.233268][ T73] netlink_rcv_skb+0x130/0x360 [ 955.233268][ T73] netlink_unicast+0x449/0x710 [ 955.233268][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.233268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.233268][ T73] ___sys_sendmsg+0xee/0x170 [ 955.233268][ T73] __sys_sendmsg+0xcd/0x170 [ 955.233268][ T73] do_syscall_64+0xc6/0x1e0 [ 955.233268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.233268][ T73] [ 955.235066][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 955.235066][ T73] neigh_parms_alloc+0x1e5/0x510 [ 955.235066][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 955.235066][ T73] ipv6_find_idev+0x102/0x170 [ 955.235066][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.235066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.235066][ T73] netlink_rcv_skb+0x130/0x360 [ 955.235066][ T73] netlink_unicast+0x449/0x710 [ 955.235066][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.235066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.235066][ T73] ___sys_sendmsg+0xee/0x170 [ 955.235066][ T73] __sys_sendmsg+0xcd/0x170 [ 955.235066][ T73] do_syscall_64+0xc6/0x1e0 [ 955.235066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.235066][ T73] [ 955.237097][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 955.237397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 955.237397][ T73] netdev_get_by_index+0x5e/0x80 [ 955.237397][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.237397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.237397][ T73] addrconf_f6i_alloc+0x265/0x560 [ 955.237397][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 955.237397][ T73] addrconf_join_anycast+0x1c0/0x220 [ 955.237397][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 955.237397][ T73] addrconf_dad_completed+0x12b/0xe20 [ 955.237397][ T73] addrconf_dad_begin+0x310/0x670 [ 955.237397][ T73] addrconf_dad_work+0x10b/0xab0 [ 955.237397][ T73] process_one_work+0x84d/0x18a0 [ 955.237397][ T73] worker_thread+0x587/0xd30 [ 955.237397][ T73] kthread+0x28a/0x350 [ 955.237397][ T73] ret_from_fork+0x31/0x70 [ 955.237397][ T73] ret_from_fork_asm+0x1a/0x30 [ 955.237397][ T73] [ 955.239752][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 955.239752][ T73] netdev_get_by_index+0x5e/0x80 [ 955.239752][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.239752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.239752][ T73] ip6_route_add+0x1c/0x140 [ 955.239752][ T73] addrconf_prefix_route+0x2a6/0x430 [ 955.239752][ T73] inet6_addr_add+0x4f8/0xa40 [ 955.239752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.239752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.239752][ T73] netlink_rcv_skb+0x130/0x360 [ 955.239752][ T73] netlink_unicast+0x449/0x710 [ 955.239752][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.239752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.239752][ T73] ___sys_sendmsg+0xee/0x170 [ 955.239752][ T73] __sys_sendmsg+0xcd/0x170 [ 955.239752][ T73] do_syscall_64+0xc6/0x1e0 [ 955.239752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.239752][ T73] [ 955.242107][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 955.242107][ T73] netdev_get_by_index+0x5e/0x80 [ 955.242107][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.242107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.242107][ T73] addrconf_f6i_alloc+0x315/0x560 [ 955.242107][ T73] ipv6_add_addr+0x411/0x2000 [ 955.242107][ T73] inet6_addr_add+0x30e/0xa40 [ 955.242107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.242107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.242107][ T73] netlink_rcv_skb+0x130/0x360 [ 955.242107][ T73] netlink_unicast+0x449/0x710 [ 955.242107][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.242107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.242107][ T73] ___sys_sendmsg+0xee/0x170 [ 955.242107][ T73] __sys_sendmsg+0xcd/0x170 [ 955.242107][ T73] do_syscall_64+0xc6/0x1e0 [ 955.242107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.242107][ T73] [ 955.244432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 955.244432][ T73] netdev_get_by_index+0x5e/0x80 [ 955.244432][ T73] fib6_nh_init+0x3d8/0x1580 [ 955.244432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 955.244432][ T73] ip6_route_add+0x1c/0x140 [ 955.244432][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 955.244432][ T73] addrconf_add_dev+0xe2/0x170 [ 955.244432][ T73] inet6_addr_add+0x12f/0xa40 [ 955.244432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 955.244432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.244432][ T73] netlink_rcv_skb+0x130/0x360 [ 955.244432][ T73] netlink_unicast+0x449/0x710 [ 955.244432][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.244432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.244432][ T73] ___sys_sendmsg+0xee/0x170 [ 955.244432][ T73] __sys_sendmsg+0xcd/0x170 [ 955.244432][ T73] do_syscall_64+0xc6/0x1e0 [ 955.244432][ T73] [ 955.246813][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 955.246813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 955.246813][ T73] ipv6_find_idev+0x102/0x170 [ 955.246813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.246813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.246813][ T73] netlink_rcv_skb+0x130/0x360 [ 955.246813][ T73] netlink_unicast+0x449/0x710 [ 955.246813][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.246813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.246813][ T73] ___sys_sendmsg+0xee/0x170 [ 955.246813][ T73] __sys_sendmsg+0xcd/0x170 [ 955.246813][ T73] do_syscall_64+0xc6/0x1e0 [ 955.246813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.246813][ T73] [ 955.248685][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 955.248685][ T73] neigh_parms_alloc+0x1e5/0x510 [ 955.248685][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 955.248685][ T73] ipv6_find_idev+0x102/0x170 [ 955.248685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.248685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.248685][ T73] netlink_rcv_skb+0x130/0x360 [ 955.248685][ T73] netlink_unicast+0x449/0x710 [ 955.248685][ T73] netlink_sendmsg+0x723/0xbe0 [ 955.248685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 955.248685][ T73] ___sys_sendmsg+0xee/0x170 [ 955.248685][ T73] __sys_sendmsg+0xcd/0x170 [ 955.248685][ T73] do_syscall_64+0xc6/0x1e0 [ 955.248685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.248685][ T73] [ 965.382861][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 965.383360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.383360][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 965.383360][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 965.383360][ T73] fib6_nh_init+0xa22/0x1580 [ 965.383360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.383360][ T73] ip6_route_add+0x1c/0x140 [ 965.383360][ T73] inet6_rtm_newroute+0x104/0x110 [ 965.383360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.383360][ T73] netlink_rcv_skb+0x130/0x360 [ 965.383360][ T73] netlink_unicast+0x449/0x710 [ 965.383360][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.383360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.383360][ T73] ___sys_sendmsg+0xee/0x170 [ 965.383360][ T73] __sys_sendmsg+0xcd/0x170 [ 965.383360][ T73] do_syscall_64+0xc6/0x1e0 [ 965.383360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.383360][ T73] [ 965.385484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.385484][ T73] dst_init+0x84/0x4a0 [ 965.385484][ T73] dst_alloc+0x97/0x150 [ 965.385484][ T73] ip6_dst_alloc+0x23/0x90 [ 965.385484][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 965.385484][ T73] ip6_pol_route+0x56f/0x840 [ 965.385484][ T73] fib6_rule_lookup+0x456/0x630 [ 965.385484][ T73] ip6_route_input+0x59c/0xa50 [ 965.385484][ T73] ipv6_rcv+0x397/0x810 [ 965.385484][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 965.385484][ T73] process_backlog+0x101/0x620 [ 965.385484][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 965.385484][ T73] net_rx_action+0x495/0xbe0 [ 965.385484][ T73] __do_softirq+0x1b5/0x7f6 [ 965.385484][ T73] [ 965.387338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.387338][ T73] netdev_get_by_index+0x5e/0x80 [ 965.387338][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.387338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.387338][ T73] ip6_route_add+0x1c/0x140 [ 965.387338][ T73] addrconf_prefix_route+0x2a6/0x430 [ 965.387338][ T73] inet6_addr_add+0x4f8/0xa40 [ 965.387338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.387338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.387338][ T73] netlink_rcv_skb+0x130/0x360 [ 965.387338][ T73] netlink_unicast+0x449/0x710 [ 965.387338][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.387338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.387338][ T73] ___sys_sendmsg+0xee/0x170 [ 965.387338][ T73] __sys_sendmsg+0xcd/0x170 [ 965.387338][ T73] do_syscall_64+0xc6/0x1e0 [ 965.387338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.387338][ T73] [ 965.389579][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.389579][ T73] netdev_get_by_index+0x5e/0x80 [ 965.389579][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.389579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.389579][ T73] addrconf_f6i_alloc+0x315/0x560 [ 965.389579][ T73] ipv6_add_addr+0x411/0x2000 [ 965.389579][ T73] inet6_addr_add+0x30e/0xa40 [ 965.389579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.389579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.389579][ T73] netlink_rcv_skb+0x130/0x360 [ 965.389579][ T73] netlink_unicast+0x449/0x710 [ 965.389579][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.389579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.389579][ T73] ___sys_sendmsg+0xee/0x170 [ 965.389579][ T73] __sys_sendmsg+0xcd/0x170 [ 965.389579][ T73] do_syscall_64+0xc6/0x1e0 [ 965.389579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.389579][ T73] [ 965.391808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.391808][ T73] netdev_get_by_index+0x5e/0x80 [ 965.391808][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.391808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.391808][ T73] ip6_route_add+0x1c/0x140 [ 965.391808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 965.391808][ T73] addrconf_add_dev+0xe2/0x170 [ 965.391808][ T73] inet6_addr_add+0x12f/0xa40 [ 965.391808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.391808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.391808][ T73] netlink_rcv_skb+0x130/0x360 [ 965.391808][ T73] netlink_unicast+0x449/0x710 [ 965.391808][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.391808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.391808][ T73] ___sys_sendmsg+0xee/0x170 [ 965.391808][ T73] __sys_sendmsg+0xcd/0x170 [ 965.391808][ T73] do_syscall_64+0xc6/0x1e0 [ 965.391808][ T73] [ 965.394008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.394008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 965.394008][ T73] ipv6_find_idev+0x102/0x170 [ 965.394008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.394008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.394008][ T73] netlink_rcv_skb+0x130/0x360 [ 965.394008][ T73] netlink_unicast+0x449/0x710 [ 965.394008][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.394008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.394008][ T73] ___sys_sendmsg+0xee/0x170 [ 965.394008][ T73] __sys_sendmsg+0xcd/0x170 [ 965.394008][ T73] do_syscall_64+0xc6/0x1e0 [ 965.394008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.394008][ T73] [ 965.395736][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 965.395736][ T73] neigh_parms_alloc+0x1e5/0x510 [ 965.395736][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 965.395736][ T73] ipv6_find_idev+0x102/0x170 [ 965.395736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.395736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.395736][ T73] netlink_rcv_skb+0x130/0x360 [ 965.395736][ T73] netlink_unicast+0x449/0x710 [ 965.395736][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.395736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.395736][ T73] ___sys_sendmsg+0xee/0x170 [ 965.395736][ T73] __sys_sendmsg+0xcd/0x170 [ 965.395736][ T73] do_syscall_64+0xc6/0x1e0 [ 965.395736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.395736][ T73] [ 965.397634][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 965.397945][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.397945][ T73] dst_init+0x84/0x4a0 [ 965.397945][ T73] dst_alloc+0x97/0x150 [ 965.397945][ T73] ip6_dst_alloc+0x23/0x90 [ 965.397945][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 965.397945][ T73] ip6_pol_route+0x56f/0x840 [ 965.397945][ T73] fib6_rule_lookup+0x456/0x630 [ 965.397945][ T73] ip6_route_input+0x59c/0xa50 [ 965.397945][ T73] ipv6_rcv+0x397/0x810 [ 965.397945][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 965.397945][ T73] process_backlog+0x101/0x620 [ 965.397945][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 965.397945][ T73] net_rx_action+0x495/0xbe0 [ 965.397945][ T73] __do_softirq+0x1b5/0x7f6 [ 965.397945][ T73] [ 965.399903][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.399903][ T73] netdev_get_by_index+0x5e/0x80 [ 965.399903][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.399903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.399903][ T73] addrconf_f6i_alloc+0x265/0x560 [ 965.399903][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 965.399903][ T73] addrconf_join_anycast+0x1c0/0x220 [ 965.399903][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 965.399903][ T73] addrconf_dad_completed+0x12b/0xe20 [ 965.399903][ T73] addrconf_dad_begin+0x310/0x670 [ 965.399903][ T73] addrconf_dad_work+0x10b/0xab0 [ 965.399903][ T73] process_one_work+0x84d/0x18a0 [ 965.399903][ T73] worker_thread+0x587/0xd30 [ 965.399903][ T73] kthread+0x28a/0x350 [ 965.399903][ T73] ret_from_fork+0x31/0x70 [ 965.399903][ T73] ret_from_fork_asm+0x1a/0x30 [ 965.399903][ T73] [ 965.402029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.402029][ T73] netdev_get_by_index+0x5e/0x80 [ 965.402029][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.402029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.402029][ T73] ip6_route_add+0x1c/0x140 [ 965.402029][ T73] addrconf_prefix_route+0x2a6/0x430 [ 965.402029][ T73] inet6_addr_add+0x4f8/0xa40 [ 965.402029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.402029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.402029][ T73] netlink_rcv_skb+0x130/0x360 [ 965.402029][ T73] netlink_unicast+0x449/0x710 [ 965.402029][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.402029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.402029][ T73] ___sys_sendmsg+0xee/0x170 [ 965.402029][ T73] __sys_sendmsg+0xcd/0x170 [ 965.402029][ T73] do_syscall_64+0xc6/0x1e0 [ 965.402029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.402029][ T73] [ 965.404270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.404270][ T73] netdev_get_by_index+0x5e/0x80 [ 965.404270][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.404270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.404270][ T73] addrconf_f6i_alloc+0x315/0x560 [ 965.404270][ T73] ipv6_add_addr+0x411/0x2000 [ 965.404270][ T73] inet6_addr_add+0x30e/0xa40 [ 965.404270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.404270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.404270][ T73] netlink_rcv_skb+0x130/0x360 [ 965.404270][ T73] netlink_unicast+0x449/0x710 [ 965.404270][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.404270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.404270][ T73] ___sys_sendmsg+0xee/0x170 [ 965.404270][ T73] __sys_sendmsg+0xcd/0x170 [ 965.404270][ T73] do_syscall_64+0xc6/0x1e0 [ 965.404270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.404270][ T73] [ 965.406497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.406497][ T73] netdev_get_by_index+0x5e/0x80 [ 965.406497][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.406497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.406497][ T73] ip6_route_add+0x1c/0x140 [ 965.406497][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 965.406497][ T73] addrconf_add_dev+0xe2/0x170 [ 965.406497][ T73] inet6_addr_add+0x12f/0xa40 [ 965.406497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.406497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.406497][ T73] netlink_rcv_skb+0x130/0x360 [ 965.406497][ T73] netlink_unicast+0x449/0x710 [ 965.406497][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.406497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.406497][ T73] ___sys_sendmsg+0xee/0x170 [ 965.406497][ T73] __sys_sendmsg+0xcd/0x170 [ 965.406497][ T73] do_syscall_64+0xc6/0x1e0 [ 965.406497][ T73] [ 965.408685][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.408685][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 965.408685][ T73] ipv6_find_idev+0x102/0x170 [ 965.408685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.408685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.408685][ T73] netlink_rcv_skb+0x130/0x360 [ 965.408685][ T73] netlink_unicast+0x449/0x710 [ 965.408685][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.408685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.408685][ T73] ___sys_sendmsg+0xee/0x170 [ 965.408685][ T73] __sys_sendmsg+0xcd/0x170 [ 965.408685][ T73] do_syscall_64+0xc6/0x1e0 [ 965.408685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.408685][ T73] [ 965.410382][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 965.410382][ T73] neigh_parms_alloc+0x1e5/0x510 [ 965.410382][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 965.410382][ T73] ipv6_find_idev+0x102/0x170 [ 965.410382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.410382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.410382][ T73] netlink_rcv_skb+0x130/0x360 [ 965.410382][ T73] netlink_unicast+0x449/0x710 [ 965.410382][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.410382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.410382][ T73] ___sys_sendmsg+0xee/0x170 [ 965.410382][ T73] __sys_sendmsg+0xcd/0x170 [ 965.410382][ T73] do_syscall_64+0xc6/0x1e0 [ 965.410382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.410382][ T73] [ 965.412373][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 965.412672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.412672][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 965.412672][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 965.412672][ T73] fib6_nh_init+0xa22/0x1580 [ 965.412672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.412672][ T73] ip6_route_add+0x1c/0x140 [ 965.412672][ T73] inet6_rtm_newroute+0x104/0x110 [ 965.412672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.412672][ T73] netlink_rcv_skb+0x130/0x360 [ 965.412672][ T73] netlink_unicast+0x449/0x710 [ 965.412672][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.412672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.412672][ T73] ___sys_sendmsg+0xee/0x170 [ 965.412672][ T73] __sys_sendmsg+0xcd/0x170 [ 965.412672][ T73] do_syscall_64+0xc6/0x1e0 [ 965.412672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.412672][ T73] [ 965.415075][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.415075][ T73] dst_init+0x84/0x4a0 [ 965.415075][ T73] dst_alloc+0x97/0x150 [ 965.415075][ T73] ip6_dst_alloc+0x23/0x90 [ 965.415075][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 965.415075][ T73] ip6_pol_route+0x56f/0x840 [ 965.415075][ T73] fib6_rule_lookup+0x456/0x630 [ 965.415075][ T73] ip6_route_input+0x59c/0xa50 [ 965.415075][ T73] ipv6_rcv+0x397/0x810 [ 965.415075][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 965.415075][ T73] process_backlog+0x101/0x620 [ 965.415075][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 965.415075][ T73] net_rx_action+0x495/0xbe0 [ 965.415075][ T73] __do_softirq+0x1b5/0x7f6 [ 965.415075][ T73] [ 965.417079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.417079][ T73] netdev_get_by_index+0x5e/0x80 [ 965.417079][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.417079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.417079][ T73] ip6_route_add+0x1c/0x140 [ 965.417079][ T73] addrconf_prefix_route+0x2a6/0x430 [ 965.417079][ T73] inet6_addr_add+0x4f8/0xa40 [ 965.417079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.417079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.417079][ T73] netlink_rcv_skb+0x130/0x360 [ 965.417079][ T73] netlink_unicast+0x449/0x710 [ 965.417079][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.417079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.417079][ T73] ___sys_sendmsg+0xee/0x170 [ 965.417079][ T73] __sys_sendmsg+0xcd/0x170 [ 965.417079][ T73] do_syscall_64+0xc6/0x1e0 [ 965.417079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.417079][ T73] [ 965.419561][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.419561][ T73] netdev_get_by_index+0x5e/0x80 [ 965.419561][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.419561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.419561][ T73] addrconf_f6i_alloc+0x315/0x560 [ 965.419561][ T73] ipv6_add_addr+0x411/0x2000 [ 965.419561][ T73] inet6_addr_add+0x30e/0xa40 [ 965.419561][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.419561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.419561][ T73] netlink_rcv_skb+0x130/0x360 [ 965.419561][ T73] netlink_unicast+0x449/0x710 [ 965.419561][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.419561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.419561][ T73] ___sys_sendmsg+0xee/0x170 [ 965.419561][ T73] __sys_sendmsg+0xcd/0x170 [ 965.419561][ T73] do_syscall_64+0xc6/0x1e0 [ 965.419561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.419561][ T73] [ 965.422016][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.422016][ T73] netdev_get_by_index+0x5e/0x80 [ 965.422016][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.422016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.422016][ T73] ip6_route_add+0x1c/0x140 [ 965.422016][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 965.422016][ T73] addrconf_add_dev+0xe2/0x170 [ 965.422016][ T73] inet6_addr_add+0x12f/0xa40 [ 965.422016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.422016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.422016][ T73] netlink_rcv_skb+0x130/0x360 [ 965.422016][ T73] netlink_unicast+0x449/0x710 [ 965.422016][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.422016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.422016][ T73] ___sys_sendmsg+0xee/0x170 [ 965.422016][ T73] __sys_sendmsg+0xcd/0x170 [ 965.422016][ T73] do_syscall_64+0xc6/0x1e0 [ 965.422016][ T73] [ 965.424614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.424614][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 965.424614][ T73] ipv6_find_idev+0x102/0x170 [ 965.424614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.424614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.424614][ T73] netlink_rcv_skb+0x130/0x360 [ 965.424614][ T73] netlink_unicast+0x449/0x710 [ 965.424614][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.424614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.424614][ T73] ___sys_sendmsg+0xee/0x170 [ 965.424614][ T73] __sys_sendmsg+0xcd/0x170 [ 965.424614][ T73] do_syscall_64+0xc6/0x1e0 [ 965.424614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.424614][ T73] [ 965.427216][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 965.427216][ T73] neigh_parms_alloc+0x1e5/0x510 [ 965.427216][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 965.427216][ T73] ipv6_find_idev+0x102/0x170 [ 965.427216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.427216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.427216][ T73] netlink_rcv_skb+0x130/0x360 [ 965.427216][ T73] netlink_unicast+0x449/0x710 [ 965.427216][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.427216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.427216][ T73] ___sys_sendmsg+0xee/0x170 [ 965.427216][ T73] __sys_sendmsg+0xcd/0x170 [ 965.427216][ T73] do_syscall_64+0xc6/0x1e0 [ 965.427216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.427216][ T73] [ 965.430513][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 965.431327][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 965.431327][ T73] netdev_get_by_index+0x5e/0x80 [ 965.431327][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.431327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.431327][ T73] addrconf_f6i_alloc+0x265/0x560 [ 965.431327][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 965.431327][ T73] addrconf_join_anycast+0x1c0/0x220 [ 965.431327][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 965.431327][ T73] addrconf_dad_completed+0x12b/0xe20 [ 965.431327][ T73] addrconf_dad_begin+0x310/0x670 [ 965.431327][ T73] addrconf_dad_work+0x10b/0xab0 [ 965.431327][ T73] process_one_work+0x84d/0x18a0 [ 965.431327][ T73] worker_thread+0x587/0xd30 [ 965.431327][ T73] kthread+0x28a/0x350 [ 965.431327][ T73] ret_from_fork+0x31/0x70 [ 965.431327][ T73] ret_from_fork_asm+0x1a/0x30 [ 965.431327][ T73] [ 965.433670][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 965.433670][ T73] netdev_get_by_index+0x5e/0x80 [ 965.433670][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.433670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.433670][ T73] ip6_route_add+0x1c/0x140 [ 965.433670][ T73] addrconf_prefix_route+0x2a6/0x430 [ 965.433670][ T73] inet6_addr_add+0x4f8/0xa40 [ 965.433670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.433670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.433670][ T73] netlink_rcv_skb+0x130/0x360 [ 965.433670][ T73] netlink_unicast+0x449/0x710 [ 965.433670][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.433670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.433670][ T73] ___sys_sendmsg+0xee/0x170 [ 965.433670][ T73] __sys_sendmsg+0xcd/0x170 [ 965.433670][ T73] do_syscall_64+0xc6/0x1e0 [ 965.433670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.433670][ T73] [ 965.436087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 965.436087][ T73] netdev_get_by_index+0x5e/0x80 [ 965.436087][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.436087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.436087][ T73] addrconf_f6i_alloc+0x315/0x560 [ 965.436087][ T73] ipv6_add_addr+0x411/0x2000 [ 965.436087][ T73] inet6_addr_add+0x30e/0xa40 [ 965.436087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.436087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.436087][ T73] netlink_rcv_skb+0x130/0x360 [ 965.436087][ T73] netlink_unicast+0x449/0x710 [ 965.436087][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.436087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.436087][ T73] ___sys_sendmsg+0xee/0x170 [ 965.436087][ T73] __sys_sendmsg+0xcd/0x170 [ 965.436087][ T73] do_syscall_64+0xc6/0x1e0 [ 965.436087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.436087][ T73] [ 965.438600][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 965.438600][ T73] netdev_get_by_index+0x5e/0x80 [ 965.438600][ T73] fib6_nh_init+0x3d8/0x1580 [ 965.438600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 965.438600][ T73] ip6_route_add+0x1c/0x140 [ 965.438600][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 965.438600][ T73] addrconf_add_dev+0xe2/0x170 [ 965.438600][ T73] inet6_addr_add+0x12f/0xa40 [ 965.438600][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 965.438600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.438600][ T73] netlink_rcv_skb+0x130/0x360 [ 965.438600][ T73] netlink_unicast+0x449/0x710 [ 965.438600][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.438600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.438600][ T73] ___sys_sendmsg+0xee/0x170 [ 965.438600][ T73] __sys_sendmsg+0xcd/0x170 [ 965.438600][ T73] do_syscall_64+0xc6/0x1e0 [ 965.438600][ T73] [ 965.441013][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 965.441013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 965.441013][ T73] ipv6_find_idev+0x102/0x170 [ 965.441013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.441013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.441013][ T73] netlink_rcv_skb+0x130/0x360 [ 965.441013][ T73] netlink_unicast+0x449/0x710 [ 965.441013][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.441013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.441013][ T73] ___sys_sendmsg+0xee/0x170 [ 965.441013][ T73] __sys_sendmsg+0xcd/0x170 [ 965.441013][ T73] do_syscall_64+0xc6/0x1e0 [ 965.441013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.441013][ T73] [ 965.442996][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 965.442996][ T73] neigh_parms_alloc+0x1e5/0x510 [ 965.442996][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 965.442996][ T73] ipv6_find_idev+0x102/0x170 [ 965.442996][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.442996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.442996][ T73] netlink_rcv_skb+0x130/0x360 [ 965.442996][ T73] netlink_unicast+0x449/0x710 [ 965.442996][ T73] netlink_sendmsg+0x723/0xbe0 [ 965.442996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 965.442996][ T73] ___sys_sendmsg+0xee/0x170 [ 965.442996][ T73] __sys_sendmsg+0xcd/0x170 [ 965.442996][ T73] do_syscall_64+0xc6/0x1e0 [ 965.442996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.442996][ T73] [ 975.679004][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 975.679513][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.679513][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 975.679513][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 975.679513][ T73] fib6_nh_init+0xa22/0x1580 [ 975.679513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.679513][ T73] ip6_route_add+0x1c/0x140 [ 975.679513][ T73] inet6_rtm_newroute+0x104/0x110 [ 975.679513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.679513][ T73] netlink_rcv_skb+0x130/0x360 [ 975.679513][ T73] netlink_unicast+0x449/0x710 [ 975.679513][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.679513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.679513][ T73] ___sys_sendmsg+0xee/0x170 [ 975.679513][ T73] __sys_sendmsg+0xcd/0x170 [ 975.679513][ T73] do_syscall_64+0xc6/0x1e0 [ 975.679513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.679513][ T73] [ 975.681649][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.681649][ T73] dst_init+0x84/0x4a0 [ 975.681649][ T73] dst_alloc+0x97/0x150 [ 975.681649][ T73] ip6_dst_alloc+0x23/0x90 [ 975.681649][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 975.681649][ T73] ip6_pol_route+0x56f/0x840 [ 975.681649][ T73] fib6_rule_lookup+0x456/0x630 [ 975.681649][ T73] ip6_route_input+0x59c/0xa50 [ 975.681649][ T73] ipv6_rcv+0x397/0x810 [ 975.681649][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 975.681649][ T73] process_backlog+0x101/0x620 [ 975.681649][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 975.681649][ T73] net_rx_action+0x495/0xbe0 [ 975.681649][ T73] __do_softirq+0x1b5/0x7f6 [ 975.681649][ T73] [ 975.683512][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.683512][ T73] netdev_get_by_index+0x5e/0x80 [ 975.683512][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.683512][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.683512][ T73] ip6_route_add+0x1c/0x140 [ 975.683512][ T73] addrconf_prefix_route+0x2a6/0x430 [ 975.683512][ T73] inet6_addr_add+0x4f8/0xa40 [ 975.683512][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.683512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.683512][ T73] netlink_rcv_skb+0x130/0x360 [ 975.683512][ T73] netlink_unicast+0x449/0x710 [ 975.683512][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.683512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.683512][ T73] ___sys_sendmsg+0xee/0x170 [ 975.683512][ T73] __sys_sendmsg+0xcd/0x170 [ 975.683512][ T73] do_syscall_64+0xc6/0x1e0 [ 975.683512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.683512][ T73] [ 975.685756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.685756][ T73] netdev_get_by_index+0x5e/0x80 [ 975.685756][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.685756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.685756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 975.685756][ T73] ipv6_add_addr+0x411/0x2000 [ 975.685756][ T73] inet6_addr_add+0x30e/0xa40 [ 975.685756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.685756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.685756][ T73] netlink_rcv_skb+0x130/0x360 [ 975.685756][ T73] netlink_unicast+0x449/0x710 [ 975.685756][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.685756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.685756][ T73] ___sys_sendmsg+0xee/0x170 [ 975.685756][ T73] __sys_sendmsg+0xcd/0x170 [ 975.685756][ T73] do_syscall_64+0xc6/0x1e0 [ 975.685756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.685756][ T73] [ 975.688020][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.688020][ T73] netdev_get_by_index+0x5e/0x80 [ 975.688020][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.688020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.688020][ T73] ip6_route_add+0x1c/0x140 [ 975.688020][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 975.688020][ T73] addrconf_add_dev+0xe2/0x170 [ 975.688020][ T73] inet6_addr_add+0x12f/0xa40 [ 975.688020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.688020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.688020][ T73] netlink_rcv_skb+0x130/0x360 [ 975.688020][ T73] netlink_unicast+0x449/0x710 [ 975.688020][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.688020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.688020][ T73] ___sys_sendmsg+0xee/0x170 [ 975.688020][ T73] __sys_sendmsg+0xcd/0x170 [ 975.688020][ T73] do_syscall_64+0xc6/0x1e0 [ 975.688020][ T73] [ 975.690214][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.690214][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 975.690214][ T73] ipv6_find_idev+0x102/0x170 [ 975.690214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.690214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.690214][ T73] netlink_rcv_skb+0x130/0x360 [ 975.690214][ T73] netlink_unicast+0x449/0x710 [ 975.690214][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.690214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.690214][ T73] ___sys_sendmsg+0xee/0x170 [ 975.690214][ T73] __sys_sendmsg+0xcd/0x170 [ 975.690214][ T73] do_syscall_64+0xc6/0x1e0 [ 975.690214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.690214][ T73] [ 975.691955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 975.691955][ T73] neigh_parms_alloc+0x1e5/0x510 [ 975.691955][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 975.691955][ T73] ipv6_find_idev+0x102/0x170 [ 975.691955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.691955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.691955][ T73] netlink_rcv_skb+0x130/0x360 [ 975.691955][ T73] netlink_unicast+0x449/0x710 [ 975.691955][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.691955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.691955][ T73] ___sys_sendmsg+0xee/0x170 [ 975.691955][ T73] __sys_sendmsg+0xcd/0x170 [ 975.691955][ T73] do_syscall_64+0xc6/0x1e0 [ 975.691955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.691955][ T73] [ 975.693842][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 975.694138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.694138][ T73] dst_init+0x84/0x4a0 [ 975.694138][ T73] dst_alloc+0x97/0x150 [ 975.694138][ T73] ip6_dst_alloc+0x23/0x90 [ 975.694138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 975.694138][ T73] ip6_pol_route+0x56f/0x840 [ 975.694138][ T73] fib6_rule_lookup+0x456/0x630 [ 975.694138][ T73] ip6_route_input+0x59c/0xa50 [ 975.694138][ T73] ipv6_rcv+0x397/0x810 [ 975.694138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 975.694138][ T73] process_backlog+0x101/0x620 [ 975.694138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 975.694138][ T73] net_rx_action+0x495/0xbe0 [ 975.694138][ T73] __do_softirq+0x1b5/0x7f6 [ 975.694138][ T73] [ 975.696007][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.696007][ T73] netdev_get_by_index+0x5e/0x80 [ 975.696007][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.696007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.696007][ T73] addrconf_f6i_alloc+0x265/0x560 [ 975.696007][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 975.696007][ T73] addrconf_join_anycast+0x1c0/0x220 [ 975.696007][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 975.696007][ T73] addrconf_dad_completed+0x12b/0xe20 [ 975.696007][ T73] addrconf_dad_begin+0x310/0x670 [ 975.696007][ T73] addrconf_dad_work+0x10b/0xab0 [ 975.696007][ T73] process_one_work+0x84d/0x18a0 [ 975.696007][ T73] worker_thread+0x587/0xd30 [ 975.696007][ T73] kthread+0x28a/0x350 [ 975.696007][ T73] ret_from_fork+0x31/0x70 [ 975.696007][ T73] ret_from_fork_asm+0x1a/0x30 [ 975.696007][ T73] [ 975.698144][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.698144][ T73] netdev_get_by_index+0x5e/0x80 [ 975.698144][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.698144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.698144][ T73] ip6_route_add+0x1c/0x140 [ 975.698144][ T73] addrconf_prefix_route+0x2a6/0x430 [ 975.698144][ T73] inet6_addr_add+0x4f8/0xa40 [ 975.698144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.698144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.698144][ T73] netlink_rcv_skb+0x130/0x360 [ 975.698144][ T73] netlink_unicast+0x449/0x710 [ 975.698144][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.698144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.698144][ T73] ___sys_sendmsg+0xee/0x170 [ 975.698144][ T73] __sys_sendmsg+0xcd/0x170 [ 975.698144][ T73] do_syscall_64+0xc6/0x1e0 [ 975.698144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.698144][ T73] [ 975.700399][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.700399][ T73] netdev_get_by_index+0x5e/0x80 [ 975.700399][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.700399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.700399][ T73] addrconf_f6i_alloc+0x315/0x560 [ 975.700399][ T73] ipv6_add_addr+0x411/0x2000 [ 975.700399][ T73] inet6_addr_add+0x30e/0xa40 [ 975.700399][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.700399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.700399][ T73] netlink_rcv_skb+0x130/0x360 [ 975.700399][ T73] netlink_unicast+0x449/0x710 [ 975.700399][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.700399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.700399][ T73] ___sys_sendmsg+0xee/0x170 [ 975.700399][ T73] __sys_sendmsg+0xcd/0x170 [ 975.700399][ T73] do_syscall_64+0xc6/0x1e0 [ 975.700399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.700399][ T73] [ 975.702654][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.702654][ T73] netdev_get_by_index+0x5e/0x80 [ 975.702654][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.702654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.702654][ T73] ip6_route_add+0x1c/0x140 [ 975.702654][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 975.702654][ T73] addrconf_add_dev+0xe2/0x170 [ 975.702654][ T73] inet6_addr_add+0x12f/0xa40 [ 975.702654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.702654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.702654][ T73] netlink_rcv_skb+0x130/0x360 [ 975.702654][ T73] netlink_unicast+0x449/0x710 [ 975.702654][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.702654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.702654][ T73] ___sys_sendmsg+0xee/0x170 [ 975.702654][ T73] __sys_sendmsg+0xcd/0x170 [ 975.702654][ T73] do_syscall_64+0xc6/0x1e0 [ 975.702654][ T73] [ 975.704884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.704884][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 975.704884][ T73] ipv6_find_idev+0x102/0x170 [ 975.704884][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.704884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.704884][ T73] netlink_rcv_skb+0x130/0x360 [ 975.704884][ T73] netlink_unicast+0x449/0x710 [ 975.704884][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.704884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.704884][ T73] ___sys_sendmsg+0xee/0x170 [ 975.704884][ T73] __sys_sendmsg+0xcd/0x170 [ 975.704884][ T73] do_syscall_64+0xc6/0x1e0 [ 975.704884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.704884][ T73] [ 975.706619][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 975.706619][ T73] neigh_parms_alloc+0x1e5/0x510 [ 975.706619][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 975.706619][ T73] ipv6_find_idev+0x102/0x170 [ 975.706619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.706619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.706619][ T73] netlink_rcv_skb+0x130/0x360 [ 975.706619][ T73] netlink_unicast+0x449/0x710 [ 975.706619][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.706619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.706619][ T73] ___sys_sendmsg+0xee/0x170 [ 975.706619][ T73] __sys_sendmsg+0xcd/0x170 [ 975.706619][ T73] do_syscall_64+0xc6/0x1e0 [ 975.706619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.706619][ T73] [ 975.708676][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 975.708988][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.708988][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 975.708988][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 975.708988][ T73] fib6_nh_init+0xa22/0x1580 [ 975.708988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.708988][ T73] ip6_route_add+0x1c/0x140 [ 975.708988][ T73] inet6_rtm_newroute+0x104/0x110 [ 975.708988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.708988][ T73] netlink_rcv_skb+0x130/0x360 [ 975.708988][ T73] netlink_unicast+0x449/0x710 [ 975.708988][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.708988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.708988][ T73] ___sys_sendmsg+0xee/0x170 [ 975.708988][ T73] __sys_sendmsg+0xcd/0x170 [ 975.708988][ T73] do_syscall_64+0xc6/0x1e0 [ 975.708988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.708988][ T73] [ 975.711360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.711360][ T73] dst_init+0x84/0x4a0 [ 975.711360][ T73] dst_alloc+0x97/0x150 [ 975.711360][ T73] ip6_dst_alloc+0x23/0x90 [ 975.711360][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 975.711360][ T73] ip6_pol_route+0x56f/0x840 [ 975.711360][ T73] fib6_rule_lookup+0x456/0x630 [ 975.711360][ T73] ip6_route_input+0x59c/0xa50 [ 975.711360][ T73] ipv6_rcv+0x397/0x810 [ 975.711360][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 975.711360][ T73] process_backlog+0x101/0x620 [ 975.711360][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 975.711360][ T73] net_rx_action+0x495/0xbe0 [ 975.711360][ T73] __do_softirq+0x1b5/0x7f6 [ 975.711360][ T73] [ 975.713379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.713379][ T73] netdev_get_by_index+0x5e/0x80 [ 975.713379][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.713379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.713379][ T73] ip6_route_add+0x1c/0x140 [ 975.713379][ T73] addrconf_prefix_route+0x2a6/0x430 [ 975.713379][ T73] inet6_addr_add+0x4f8/0xa40 [ 975.713379][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.713379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.713379][ T73] netlink_rcv_skb+0x130/0x360 [ 975.713379][ T73] netlink_unicast+0x449/0x710 [ 975.713379][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.713379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.713379][ T73] ___sys_sendmsg+0xee/0x170 [ 975.713379][ T73] __sys_sendmsg+0xcd/0x170 [ 975.713379][ T73] do_syscall_64+0xc6/0x1e0 [ 975.713379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.713379][ T73] [ 975.715971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.715971][ T73] netdev_get_by_index+0x5e/0x80 [ 975.715971][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.715971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.715971][ T73] addrconf_f6i_alloc+0x315/0x560 [ 975.715971][ T73] ipv6_add_addr+0x411/0x2000 [ 975.715971][ T73] inet6_addr_add+0x30e/0xa40 [ 975.715971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.715971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.715971][ T73] netlink_rcv_skb+0x130/0x360 [ 975.715971][ T73] netlink_unicast+0x449/0x710 [ 975.715971][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.715971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.715971][ T73] ___sys_sendmsg+0xee/0x170 [ 975.715971][ T73] __sys_sendmsg+0xcd/0x170 [ 975.715971][ T73] do_syscall_64+0xc6/0x1e0 [ 975.715971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.715971][ T73] [ 975.718492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.718492][ T73] netdev_get_by_index+0x5e/0x80 [ 975.718492][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.718492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.718492][ T73] ip6_route_add+0x1c/0x140 [ 975.718492][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 975.718492][ T73] addrconf_add_dev+0xe2/0x170 [ 975.718492][ T73] inet6_addr_add+0x12f/0xa40 [ 975.718492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.718492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.718492][ T73] netlink_rcv_skb+0x130/0x360 [ 975.718492][ T73] netlink_unicast+0x449/0x710 [ 975.718492][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.718492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.718492][ T73] ___sys_sendmsg+0xee/0x170 [ 975.718492][ T73] __sys_sendmsg+0xcd/0x170 [ 975.718492][ T73] do_syscall_64+0xc6/0x1e0 [ 975.718492][ T73] [ 975.720873][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.720873][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 975.720873][ T73] ipv6_find_idev+0x102/0x170 [ 975.720873][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.720873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.720873][ T73] netlink_rcv_skb+0x130/0x360 [ 975.720873][ T73] netlink_unicast+0x449/0x710 [ 975.720873][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.720873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.720873][ T73] ___sys_sendmsg+0xee/0x170 [ 975.720873][ T73] __sys_sendmsg+0xcd/0x170 [ 975.720873][ T73] do_syscall_64+0xc6/0x1e0 [ 975.720873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.720873][ T73] [ 975.722770][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 975.722770][ T73] neigh_parms_alloc+0x1e5/0x510 [ 975.722770][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 975.722770][ T73] ipv6_find_idev+0x102/0x170 [ 975.722770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.722770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.722770][ T73] netlink_rcv_skb+0x130/0x360 [ 975.722770][ T73] netlink_unicast+0x449/0x710 [ 975.722770][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.722770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.722770][ T73] ___sys_sendmsg+0xee/0x170 [ 975.722770][ T73] __sys_sendmsg+0xcd/0x170 [ 975.722770][ T73] do_syscall_64+0xc6/0x1e0 [ 975.722770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.722770][ T73] [ 975.724943][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 975.725241][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 975.725241][ T73] netdev_get_by_index+0x5e/0x80 [ 975.725241][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.725241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.725241][ T73] addrconf_f6i_alloc+0x265/0x560 [ 975.725241][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 975.725241][ T73] addrconf_join_anycast+0x1c0/0x220 [ 975.725241][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 975.725241][ T73] addrconf_dad_completed+0x12b/0xe20 [ 975.725241][ T73] addrconf_dad_begin+0x310/0x670 [ 975.725241][ T73] addrconf_dad_work+0x10b/0xab0 [ 975.725241][ T73] process_one_work+0x84d/0x18a0 [ 975.725241][ T73] worker_thread+0x587/0xd30 [ 975.725241][ T73] kthread+0x28a/0x350 [ 975.725241][ T73] ret_from_fork+0x31/0x70 [ 975.725241][ T73] ret_from_fork_asm+0x1a/0x30 [ 975.725241][ T73] [ 975.727690][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 975.727690][ T73] netdev_get_by_index+0x5e/0x80 [ 975.727690][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.727690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.727690][ T73] ip6_route_add+0x1c/0x140 [ 975.727690][ T73] addrconf_prefix_route+0x2a6/0x430 [ 975.727690][ T73] inet6_addr_add+0x4f8/0xa40 [ 975.727690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.727690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.727690][ T73] netlink_rcv_skb+0x130/0x360 [ 975.727690][ T73] netlink_unicast+0x449/0x710 [ 975.727690][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.727690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.727690][ T73] ___sys_sendmsg+0xee/0x170 [ 975.727690][ T73] __sys_sendmsg+0xcd/0x170 [ 975.727690][ T73] do_syscall_64+0xc6/0x1e0 [ 975.727690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.727690][ T73] [ 975.730174][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 975.730174][ T73] netdev_get_by_index+0x5e/0x80 [ 975.730174][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.730174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.730174][ T73] addrconf_f6i_alloc+0x315/0x560 [ 975.730174][ T73] ipv6_add_addr+0x411/0x2000 [ 975.730174][ T73] inet6_addr_add+0x30e/0xa40 [ 975.730174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.730174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.730174][ T73] netlink_rcv_skb+0x130/0x360 [ 975.730174][ T73] netlink_unicast+0x449/0x710 [ 975.730174][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.730174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.730174][ T73] ___sys_sendmsg+0xee/0x170 [ 975.730174][ T73] __sys_sendmsg+0xcd/0x170 [ 975.730174][ T73] do_syscall_64+0xc6/0x1e0 [ 975.730174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.730174][ T73] [ 975.732604][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 975.732604][ T73] netdev_get_by_index+0x5e/0x80 [ 975.732604][ T73] fib6_nh_init+0x3d8/0x1580 [ 975.732604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 975.732604][ T73] ip6_route_add+0x1c/0x140 [ 975.732604][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 975.732604][ T73] addrconf_add_dev+0xe2/0x170 [ 975.732604][ T73] inet6_addr_add+0x12f/0xa40 [ 975.732604][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 975.732604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.732604][ T73] netlink_rcv_skb+0x130/0x360 [ 975.732604][ T73] netlink_unicast+0x449/0x710 [ 975.732604][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.732604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.732604][ T73] ___sys_sendmsg+0xee/0x170 [ 975.732604][ T73] __sys_sendmsg+0xcd/0x170 [ 975.732604][ T73] do_syscall_64+0xc6/0x1e0 [ 975.732604][ T73] [ 975.735087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 975.735087][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 975.735087][ T73] ipv6_find_idev+0x102/0x170 [ 975.735087][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.735087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.735087][ T73] netlink_rcv_skb+0x130/0x360 [ 975.735087][ T73] netlink_unicast+0x449/0x710 [ 975.735087][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.735087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.735087][ T73] ___sys_sendmsg+0xee/0x170 [ 975.735087][ T73] __sys_sendmsg+0xcd/0x170 [ 975.735087][ T73] do_syscall_64+0xc6/0x1e0 [ 975.735087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.735087][ T73] [ 975.736998][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 975.736998][ T73] neigh_parms_alloc+0x1e5/0x510 [ 975.736998][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 975.736998][ T73] ipv6_find_idev+0x102/0x170 [ 975.736998][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 975.736998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 975.736998][ T73] netlink_rcv_skb+0x130/0x360 [ 975.736998][ T73] netlink_unicast+0x449/0x710 [ 975.736998][ T73] netlink_sendmsg+0x723/0xbe0 [ 975.736998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 975.736998][ T73] ___sys_sendmsg+0xee/0x170 [ 975.736998][ T73] __sys_sendmsg+0xcd/0x170 [ 975.736998][ T73] do_syscall_64+0xc6/0x1e0 [ 975.736998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 975.736998][ T73] [ 984.358913][ T42] INFO: task modprobe:887 blocked for more than 737 seconds. [ 984.359339][ T42] Not tainted 6.8.0-virtme #1 [ 984.359475][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.359699][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 984.359999][ T42] Call Trace: [ 984.360104][ T42] [ 984.360187][ T42] __schedule+0x705/0x1ac0 [ 984.360338][ T42] ? __pfx___schedule+0x10/0x10 [ 984.360478][ T42] ? schedule+0x1a5/0x210 [ 984.360588][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.360732][ T42] ? mark_lock+0x38/0x3e0 [ 984.360852][ T42] ? do_raw_spin_lock+0x131/0x270 [ 984.360994][ T42] ? schedule+0x1a5/0x210 [ 984.361110][ T42] schedule+0xdf/0x210 [ 984.361216][ T42] schedule_preempt_disabled+0x15/0x30 [ 984.361352][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 984.361498][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 984.361677][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.361830][ T42] ? lock_acquire+0x1c1/0x220 [ 984.361971][ T42] ? register_pernet_subsys+0x1a/0x50 [ 984.362118][ T42] down_write+0x1c9/0x200 [ 984.362225][ T42] ? __pfx_down_write+0x10/0x10 [ 984.362366][ T42] ? __lock_release+0x103/0x460 [ 984.362502][ T42] ? __create_object+0x5e/0xb0 [ 984.362642][ T42] ? __pfx___lock_release+0x10/0x10 [ 984.362795][ T42] register_pernet_subsys+0x1a/0x50 [ 984.362939][ T42] tcf_register_action+0xa3/0x600 [ 984.363081][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 984.363259][ T42] do_one_initcall+0xc8/0x3f0 [ 984.363404][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 984.363548][ T42] ? __create_object+0x5e/0xb0 [ 984.363687][ T42] ? kasan_unpoison+0x27/0x60 [ 984.363855][ T42] do_init_module+0x233/0x740 [ 984.364007][ T42] load_module+0x16b5/0x2350 [ 984.364159][ T42] ? __pfx_load_module+0x10/0x10 [ 984.364297][ T42] ? kernel_read_file+0x3d2/0x520 [ 984.364441][ T42] ? kernel_read_file+0x300/0x520 [ 984.364582][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 984.364734][ T42] ? init_module_from_file+0xd2/0x130 [ 984.364884][ T42] init_module_from_file+0xd2/0x130 [ 984.365022][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 984.365195][ T42] ? __lock_release+0x103/0x460 [ 984.365334][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.365482][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.365621][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 984.365767][ T42] idempotent_init_module+0x342/0x620 [ 984.365916][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 984.366110][ T42] __x64_sys_finit_module+0xbe/0x130 [ 984.366249][ T42] do_syscall_64+0xc6/0x1e0 [ 984.366391][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 984.366570][ T42] RIP: 0033:0x7f929d278e5d [ 984.366710][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 984.366924][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 984.367127][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 984.367330][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 984.367540][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 984.367746][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 984.367981][ T42] [ 984.368086][ T42] [ 984.368086][ T42] Showing all locks held in the system: [ 984.368286][ T42] 2 locks held by kworker/u18:0/37: [ 984.368424][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.368702][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.369017][ T42] 1 lock held by khungtaskd/42: [ 984.369150][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 984.369398][ T42] 3 locks held by kworker/u16:1/73: [ 984.369532][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.369810][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.370054][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 984.370298][ T42] 1 lock held by modprobe/887: [ 984.370431][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 984.370709][ T42] [ 984.370789][ T42] ============================================= [ 984.370789][ T42] [ 985.886937][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 985.887367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.887367][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 985.887367][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 985.887367][ T73] fib6_nh_init+0xa22/0x1580 [ 985.887367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.887367][ T73] ip6_route_add+0x1c/0x140 [ 985.887367][ T73] inet6_rtm_newroute+0x104/0x110 [ 985.887367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.887367][ T73] netlink_rcv_skb+0x130/0x360 [ 985.887367][ T73] netlink_unicast+0x449/0x710 [ 985.887367][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.887367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.887367][ T73] ___sys_sendmsg+0xee/0x170 [ 985.887367][ T73] __sys_sendmsg+0xcd/0x170 [ 985.887367][ T73] do_syscall_64+0xc6/0x1e0 [ 985.887367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.887367][ T73] [ 985.889261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.889261][ T73] dst_init+0x84/0x4a0 [ 985.889261][ T73] dst_alloc+0x97/0x150 [ 985.889261][ T73] ip6_dst_alloc+0x23/0x90 [ 985.889261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 985.889261][ T73] ip6_pol_route+0x56f/0x840 [ 985.889261][ T73] fib6_rule_lookup+0x456/0x630 [ 985.889261][ T73] ip6_route_input+0x59c/0xa50 [ 985.889261][ T73] ipv6_rcv+0x397/0x810 [ 985.889261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 985.889261][ T73] process_backlog+0x101/0x620 [ 985.889261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 985.889261][ T73] net_rx_action+0x495/0xbe0 [ 985.889261][ T73] __do_softirq+0x1b5/0x7f6 [ 985.889261][ T73] [ 985.890900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.890900][ T73] netdev_get_by_index+0x5e/0x80 [ 985.890900][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.890900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.890900][ T73] ip6_route_add+0x1c/0x140 [ 985.890900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 985.890900][ T73] inet6_addr_add+0x4f8/0xa40 [ 985.890900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.890900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.890900][ T73] netlink_rcv_skb+0x130/0x360 [ 985.890900][ T73] netlink_unicast+0x449/0x710 [ 985.890900][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.890900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.890900][ T73] ___sys_sendmsg+0xee/0x170 [ 985.890900][ T73] __sys_sendmsg+0xcd/0x170 [ 985.890900][ T73] do_syscall_64+0xc6/0x1e0 [ 985.890900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.890900][ T73] [ 985.892912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.892912][ T73] netdev_get_by_index+0x5e/0x80 [ 985.892912][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.892912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.892912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 985.892912][ T73] ipv6_add_addr+0x411/0x2000 [ 985.892912][ T73] inet6_addr_add+0x30e/0xa40 [ 985.892912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.892912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.892912][ T73] netlink_rcv_skb+0x130/0x360 [ 985.892912][ T73] netlink_unicast+0x449/0x710 [ 985.892912][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.892912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.892912][ T73] ___sys_sendmsg+0xee/0x170 [ 985.892912][ T73] __sys_sendmsg+0xcd/0x170 [ 985.892912][ T73] do_syscall_64+0xc6/0x1e0 [ 985.892912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.892912][ T73] [ 985.894921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.894921][ T73] netdev_get_by_index+0x5e/0x80 [ 985.894921][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.894921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.894921][ T73] ip6_route_add+0x1c/0x140 [ 985.894921][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 985.894921][ T73] addrconf_add_dev+0xe2/0x170 [ 985.894921][ T73] inet6_addr_add+0x12f/0xa40 [ 985.894921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.894921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.894921][ T73] netlink_rcv_skb+0x130/0x360 [ 985.894921][ T73] netlink_unicast+0x449/0x710 [ 985.894921][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.894921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.894921][ T73] ___sys_sendmsg+0xee/0x170 [ 985.894921][ T73] __sys_sendmsg+0xcd/0x170 [ 985.894921][ T73] do_syscall_64+0xc6/0x1e0 [ 985.894921][ T73] [ 985.896893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.896893][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 985.896893][ T73] ipv6_find_idev+0x102/0x170 [ 985.896893][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.896893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.896893][ T73] netlink_rcv_skb+0x130/0x360 [ 985.896893][ T73] netlink_unicast+0x449/0x710 [ 985.896893][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.896893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.896893][ T73] ___sys_sendmsg+0xee/0x170 [ 985.896893][ T73] __sys_sendmsg+0xcd/0x170 [ 985.896893][ T73] do_syscall_64+0xc6/0x1e0 [ 985.896893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.896893][ T73] [ 985.898431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 985.898431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 985.898431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 985.898431][ T73] ipv6_find_idev+0x102/0x170 [ 985.898431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.898431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.898431][ T73] netlink_rcv_skb+0x130/0x360 [ 985.898431][ T73] netlink_unicast+0x449/0x710 [ 985.898431][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.898431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.898431][ T73] ___sys_sendmsg+0xee/0x170 [ 985.898431][ T73] __sys_sendmsg+0xcd/0x170 [ 985.898431][ T73] do_syscall_64+0xc6/0x1e0 [ 985.898431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.898431][ T73] [ 985.900126][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 985.900393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.900393][ T73] dst_init+0x84/0x4a0 [ 985.900393][ T73] dst_alloc+0x97/0x150 [ 985.900393][ T73] ip6_dst_alloc+0x23/0x90 [ 985.900393][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 985.900393][ T73] ip6_pol_route+0x56f/0x840 [ 985.900393][ T73] fib6_rule_lookup+0x456/0x630 [ 985.900393][ T73] ip6_route_input+0x59c/0xa50 [ 985.900393][ T73] ipv6_rcv+0x397/0x810 [ 985.900393][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 985.900393][ T73] process_backlog+0x101/0x620 [ 985.900393][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 985.900393][ T73] net_rx_action+0x495/0xbe0 [ 985.900393][ T73] __do_softirq+0x1b5/0x7f6 [ 985.900393][ T73] [ 985.902032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.902032][ T73] netdev_get_by_index+0x5e/0x80 [ 985.902032][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.902032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.902032][ T73] addrconf_f6i_alloc+0x265/0x560 [ 985.902032][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 985.902032][ T73] addrconf_join_anycast+0x1c0/0x220 [ 985.902032][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 985.902032][ T73] addrconf_dad_completed+0x12b/0xe20 [ 985.902032][ T73] addrconf_dad_begin+0x310/0x670 [ 985.902032][ T73] addrconf_dad_work+0x10b/0xab0 [ 985.902032][ T73] process_one_work+0x84d/0x18a0 [ 985.902032][ T73] worker_thread+0x587/0xd30 [ 985.902032][ T73] kthread+0x28a/0x350 [ 985.902032][ T73] ret_from_fork+0x31/0x70 [ 985.902032][ T73] ret_from_fork_asm+0x1a/0x30 [ 985.902032][ T73] [ 985.903934][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.903934][ T73] netdev_get_by_index+0x5e/0x80 [ 985.903934][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.903934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.903934][ T73] ip6_route_add+0x1c/0x140 [ 985.903934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 985.903934][ T73] inet6_addr_add+0x4f8/0xa40 [ 985.903934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.903934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.903934][ T73] netlink_rcv_skb+0x130/0x360 [ 985.903934][ T73] netlink_unicast+0x449/0x710 [ 985.903934][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.903934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.903934][ T73] ___sys_sendmsg+0xee/0x170 [ 985.903934][ T73] __sys_sendmsg+0xcd/0x170 [ 985.903934][ T73] do_syscall_64+0xc6/0x1e0 [ 985.903934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.903934][ T73] [ 985.905933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.905933][ T73] netdev_get_by_index+0x5e/0x80 [ 985.905933][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.905933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.905933][ T73] addrconf_f6i_alloc+0x315/0x560 [ 985.905933][ T73] ipv6_add_addr+0x411/0x2000 [ 985.905933][ T73] inet6_addr_add+0x30e/0xa40 [ 985.905933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.905933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.905933][ T73] netlink_rcv_skb+0x130/0x360 [ 985.905933][ T73] netlink_unicast+0x449/0x710 [ 985.905933][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.905933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.905933][ T73] ___sys_sendmsg+0xee/0x170 [ 985.905933][ T73] __sys_sendmsg+0xcd/0x170 [ 985.905933][ T73] do_syscall_64+0xc6/0x1e0 [ 985.905933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.905933][ T73] [ 985.907926][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.907926][ T73] netdev_get_by_index+0x5e/0x80 [ 985.907926][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.907926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.907926][ T73] ip6_route_add+0x1c/0x140 [ 985.907926][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 985.907926][ T73] addrconf_add_dev+0xe2/0x170 [ 985.907926][ T73] inet6_addr_add+0x12f/0xa40 [ 985.907926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.907926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.907926][ T73] netlink_rcv_skb+0x130/0x360 [ 985.907926][ T73] netlink_unicast+0x449/0x710 [ 985.907926][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.907926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.907926][ T73] ___sys_sendmsg+0xee/0x170 [ 985.907926][ T73] __sys_sendmsg+0xcd/0x170 [ 985.907926][ T73] do_syscall_64+0xc6/0x1e0 [ 985.907926][ T73] [ 985.909884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.909884][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 985.909884][ T73] ipv6_find_idev+0x102/0x170 [ 985.909884][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.909884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.909884][ T73] netlink_rcv_skb+0x130/0x360 [ 985.909884][ T73] netlink_unicast+0x449/0x710 [ 985.909884][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.909884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.909884][ T73] ___sys_sendmsg+0xee/0x170 [ 985.909884][ T73] __sys_sendmsg+0xcd/0x170 [ 985.909884][ T73] do_syscall_64+0xc6/0x1e0 [ 985.909884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.909884][ T73] [ 985.911547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 985.911547][ T73] neigh_parms_alloc+0x1e5/0x510 [ 985.911547][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 985.911547][ T73] ipv6_find_idev+0x102/0x170 [ 985.911547][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.911547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.911547][ T73] netlink_rcv_skb+0x130/0x360 [ 985.911547][ T73] netlink_unicast+0x449/0x710 [ 985.911547][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.911547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.911547][ T73] ___sys_sendmsg+0xee/0x170 [ 985.911547][ T73] __sys_sendmsg+0xcd/0x170 [ 985.911547][ T73] do_syscall_64+0xc6/0x1e0 [ 985.911547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.911547][ T73] [ 985.913341][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 985.913614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.913614][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 985.913614][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 985.913614][ T73] fib6_nh_init+0xa22/0x1580 [ 985.913614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.913614][ T73] ip6_route_add+0x1c/0x140 [ 985.913614][ T73] inet6_rtm_newroute+0x104/0x110 [ 985.913614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.913614][ T73] netlink_rcv_skb+0x130/0x360 [ 985.913614][ T73] netlink_unicast+0x449/0x710 [ 985.913614][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.913614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.913614][ T73] ___sys_sendmsg+0xee/0x170 [ 985.913614][ T73] __sys_sendmsg+0xcd/0x170 [ 985.913614][ T73] do_syscall_64+0xc6/0x1e0 [ 985.913614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.913614][ T73] [ 985.915789][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.915789][ T73] dst_init+0x84/0x4a0 [ 985.915789][ T73] dst_alloc+0x97/0x150 [ 985.915789][ T73] ip6_dst_alloc+0x23/0x90 [ 985.915789][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 985.915789][ T73] ip6_pol_route+0x56f/0x840 [ 985.915789][ T73] fib6_rule_lookup+0x456/0x630 [ 985.915789][ T73] ip6_route_input+0x59c/0xa50 [ 985.915789][ T73] ipv6_rcv+0x397/0x810 [ 985.915789][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 985.915789][ T73] process_backlog+0x101/0x620 [ 985.915789][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 985.915789][ T73] net_rx_action+0x495/0xbe0 [ 985.915789][ T73] __do_softirq+0x1b5/0x7f6 [ 985.915789][ T73] [ 985.917593][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.917593][ T73] netdev_get_by_index+0x5e/0x80 [ 985.917593][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.917593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.917593][ T73] ip6_route_add+0x1c/0x140 [ 985.917593][ T73] addrconf_prefix_route+0x2a6/0x430 [ 985.917593][ T73] inet6_addr_add+0x4f8/0xa40 [ 985.917593][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.917593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.917593][ T73] netlink_rcv_skb+0x130/0x360 [ 985.917593][ T73] netlink_unicast+0x449/0x710 [ 985.917593][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.917593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.917593][ T73] ___sys_sendmsg+0xee/0x170 [ 985.917593][ T73] __sys_sendmsg+0xcd/0x170 [ 985.917593][ T73] do_syscall_64+0xc6/0x1e0 [ 985.917593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.917593][ T73] [ 985.919828][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.919828][ T73] netdev_get_by_index+0x5e/0x80 [ 985.919828][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.919828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.919828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 985.919828][ T73] ipv6_add_addr+0x411/0x2000 [ 985.919828][ T73] inet6_addr_add+0x30e/0xa40 [ 985.919828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.919828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.919828][ T73] netlink_rcv_skb+0x130/0x360 [ 985.919828][ T73] netlink_unicast+0x449/0x710 [ 985.919828][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.919828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.919828][ T73] ___sys_sendmsg+0xee/0x170 [ 985.919828][ T73] __sys_sendmsg+0xcd/0x170 [ 985.919828][ T73] do_syscall_64+0xc6/0x1e0 [ 985.919828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.919828][ T73] [ 985.922003][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.922003][ T73] netdev_get_by_index+0x5e/0x80 [ 985.922003][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.922003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.922003][ T73] ip6_route_add+0x1c/0x140 [ 985.922003][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 985.922003][ T73] addrconf_add_dev+0xe2/0x170 [ 985.922003][ T73] inet6_addr_add+0x12f/0xa40 [ 985.922003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.922003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.922003][ T73] netlink_rcv_skb+0x130/0x360 [ 985.922003][ T73] netlink_unicast+0x449/0x710 [ 985.922003][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.922003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.922003][ T73] ___sys_sendmsg+0xee/0x170 [ 985.922003][ T73] __sys_sendmsg+0xcd/0x170 [ 985.922003][ T73] do_syscall_64+0xc6/0x1e0 [ 985.922003][ T73] [ 985.924139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.924139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 985.924139][ T73] ipv6_find_idev+0x102/0x170 [ 985.924139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.924139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.924139][ T73] netlink_rcv_skb+0x130/0x360 [ 985.924139][ T73] netlink_unicast+0x449/0x710 [ 985.924139][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.924139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.924139][ T73] ___sys_sendmsg+0xee/0x170 [ 985.924139][ T73] __sys_sendmsg+0xcd/0x170 [ 985.924139][ T73] do_syscall_64+0xc6/0x1e0 [ 985.924139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.924139][ T73] [ 985.925923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 985.925923][ T73] neigh_parms_alloc+0x1e5/0x510 [ 985.925923][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 985.925923][ T73] ipv6_find_idev+0x102/0x170 [ 985.925923][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.925923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.925923][ T73] netlink_rcv_skb+0x130/0x360 [ 985.925923][ T73] netlink_unicast+0x449/0x710 [ 985.925923][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.925923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.925923][ T73] ___sys_sendmsg+0xee/0x170 [ 985.925923][ T73] __sys_sendmsg+0xcd/0x170 [ 985.925923][ T73] do_syscall_64+0xc6/0x1e0 [ 985.925923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.925923][ T73] [ 985.927848][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 985.928119][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 985.928119][ T73] netdev_get_by_index+0x5e/0x80 [ 985.928119][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.928119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.928119][ T73] addrconf_f6i_alloc+0x265/0x560 [ 985.928119][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 985.928119][ T73] addrconf_join_anycast+0x1c0/0x220 [ 985.928119][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 985.928119][ T73] addrconf_dad_completed+0x12b/0xe20 [ 985.928119][ T73] addrconf_dad_begin+0x310/0x670 [ 985.928119][ T73] addrconf_dad_work+0x10b/0xab0 [ 985.928119][ T73] process_one_work+0x84d/0x18a0 [ 985.928119][ T73] worker_thread+0x587/0xd30 [ 985.928119][ T73] kthread+0x28a/0x350 [ 985.928119][ T73] ret_from_fork+0x31/0x70 [ 985.928119][ T73] ret_from_fork_asm+0x1a/0x30 [ 985.928119][ T73] [ 985.930258][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 985.930258][ T73] netdev_get_by_index+0x5e/0x80 [ 985.930258][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.930258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.930258][ T73] ip6_route_add+0x1c/0x140 [ 985.930258][ T73] addrconf_prefix_route+0x2a6/0x430 [ 985.930258][ T73] inet6_addr_add+0x4f8/0xa40 [ 985.930258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.930258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.930258][ T73] netlink_rcv_skb+0x130/0x360 [ 985.930258][ T73] netlink_unicast+0x449/0x710 [ 985.930258][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.930258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.930258][ T73] ___sys_sendmsg+0xee/0x170 [ 985.930258][ T73] __sys_sendmsg+0xcd/0x170 [ 985.930258][ T73] do_syscall_64+0xc6/0x1e0 [ 985.930258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.930258][ T73] [ 985.932427][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 985.932427][ T73] netdev_get_by_index+0x5e/0x80 [ 985.932427][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.932427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.932427][ T73] addrconf_f6i_alloc+0x315/0x560 [ 985.932427][ T73] ipv6_add_addr+0x411/0x2000 [ 985.932427][ T73] inet6_addr_add+0x30e/0xa40 [ 985.932427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.932427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.932427][ T73] netlink_rcv_skb+0x130/0x360 [ 985.932427][ T73] netlink_unicast+0x449/0x710 [ 985.932427][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.932427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.932427][ T73] ___sys_sendmsg+0xee/0x170 [ 985.932427][ T73] __sys_sendmsg+0xcd/0x170 [ 985.932427][ T73] do_syscall_64+0xc6/0x1e0 [ 985.932427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.932427][ T73] [ 985.934721][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 985.934721][ T73] netdev_get_by_index+0x5e/0x80 [ 985.934721][ T73] fib6_nh_init+0x3d8/0x1580 [ 985.934721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 985.934721][ T73] ip6_route_add+0x1c/0x140 [ 985.934721][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 985.934721][ T73] addrconf_add_dev+0xe2/0x170 [ 985.934721][ T73] inet6_addr_add+0x12f/0xa40 [ 985.934721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 985.934721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.934721][ T73] netlink_rcv_skb+0x130/0x360 [ 985.934721][ T73] netlink_unicast+0x449/0x710 [ 985.934721][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.934721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.934721][ T73] ___sys_sendmsg+0xee/0x170 [ 985.934721][ T73] __sys_sendmsg+0xcd/0x170 [ 985.934721][ T73] do_syscall_64+0xc6/0x1e0 [ 985.934721][ T73] [ 985.936920][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 985.936920][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 985.936920][ T73] ipv6_find_idev+0x102/0x170 [ 985.936920][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.936920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.936920][ T73] netlink_rcv_skb+0x130/0x360 [ 985.936920][ T73] netlink_unicast+0x449/0x710 [ 985.936920][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.936920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.936920][ T73] ___sys_sendmsg+0xee/0x170 [ 985.936920][ T73] __sys_sendmsg+0xcd/0x170 [ 985.936920][ T73] do_syscall_64+0xc6/0x1e0 [ 985.936920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.936920][ T73] [ 985.938632][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 985.938632][ T73] neigh_parms_alloc+0x1e5/0x510 [ 985.938632][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 985.938632][ T73] ipv6_find_idev+0x102/0x170 [ 985.938632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 985.938632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 985.938632][ T73] netlink_rcv_skb+0x130/0x360 [ 985.938632][ T73] netlink_unicast+0x449/0x710 [ 985.938632][ T73] netlink_sendmsg+0x723/0xbe0 [ 985.938632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 985.938632][ T73] ___sys_sendmsg+0xee/0x170 [ 985.938632][ T73] __sys_sendmsg+0xcd/0x170 [ 985.938632][ T73] do_syscall_64+0xc6/0x1e0 [ 985.938632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 985.938632][ T73] [ 996.190953][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 996.191427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.191427][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 996.191427][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 996.191427][ T73] fib6_nh_init+0xa22/0x1580 [ 996.191427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.191427][ T73] ip6_route_add+0x1c/0x140 [ 996.191427][ T73] inet6_rtm_newroute+0x104/0x110 [ 996.191427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.191427][ T73] netlink_rcv_skb+0x130/0x360 [ 996.191427][ T73] netlink_unicast+0x449/0x710 [ 996.191427][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.191427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.191427][ T73] ___sys_sendmsg+0xee/0x170 [ 996.191427][ T73] __sys_sendmsg+0xcd/0x170 [ 996.191427][ T73] do_syscall_64+0xc6/0x1e0 [ 996.191427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.191427][ T73] [ 996.193335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.193335][ T73] dst_init+0x84/0x4a0 [ 996.193335][ T73] dst_alloc+0x97/0x150 [ 996.193335][ T73] ip6_dst_alloc+0x23/0x90 [ 996.193335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 996.193335][ T73] ip6_pol_route+0x56f/0x840 [ 996.193335][ T73] fib6_rule_lookup+0x456/0x630 [ 996.193335][ T73] ip6_route_input+0x59c/0xa50 [ 996.193335][ T73] ipv6_rcv+0x397/0x810 [ 996.193335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 996.193335][ T73] process_backlog+0x101/0x620 [ 996.193335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 996.193335][ T73] net_rx_action+0x495/0xbe0 [ 996.193335][ T73] __do_softirq+0x1b5/0x7f6 [ 996.193335][ T73] [ 996.194988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.194988][ T73] netdev_get_by_index+0x5e/0x80 [ 996.194988][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.194988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.194988][ T73] ip6_route_add+0x1c/0x140 [ 996.194988][ T73] addrconf_prefix_route+0x2a6/0x430 [ 996.194988][ T73] inet6_addr_add+0x4f8/0xa40 [ 996.194988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.194988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.194988][ T73] netlink_rcv_skb+0x130/0x360 [ 996.194988][ T73] netlink_unicast+0x449/0x710 [ 996.194988][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.194988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.194988][ T73] ___sys_sendmsg+0xee/0x170 [ 996.194988][ T73] __sys_sendmsg+0xcd/0x170 [ 996.194988][ T73] do_syscall_64+0xc6/0x1e0 [ 996.194988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.194988][ T73] [ 996.197003][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.197003][ T73] netdev_get_by_index+0x5e/0x80 [ 996.197003][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.197003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.197003][ T73] addrconf_f6i_alloc+0x315/0x560 [ 996.197003][ T73] ipv6_add_addr+0x411/0x2000 [ 996.197003][ T73] inet6_addr_add+0x30e/0xa40 [ 996.197003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.197003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.197003][ T73] netlink_rcv_skb+0x130/0x360 [ 996.197003][ T73] netlink_unicast+0x449/0x710 [ 996.197003][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.197003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.197003][ T73] ___sys_sendmsg+0xee/0x170 [ 996.197003][ T73] __sys_sendmsg+0xcd/0x170 [ 996.197003][ T73] do_syscall_64+0xc6/0x1e0 [ 996.197003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.197003][ T73] [ 996.199010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.199010][ T73] netdev_get_by_index+0x5e/0x80 [ 996.199010][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.199010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.199010][ T73] ip6_route_add+0x1c/0x140 [ 996.199010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 996.199010][ T73] addrconf_add_dev+0xe2/0x170 [ 996.199010][ T73] inet6_addr_add+0x12f/0xa40 [ 996.199010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.199010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.199010][ T73] netlink_rcv_skb+0x130/0x360 [ 996.199010][ T73] netlink_unicast+0x449/0x710 [ 996.199010][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.199010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.199010][ T73] ___sys_sendmsg+0xee/0x170 [ 996.199010][ T73] __sys_sendmsg+0xcd/0x170 [ 996.199010][ T73] do_syscall_64+0xc6/0x1e0 [ 996.199010][ T73] [ 996.201008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.201008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 996.201008][ T73] ipv6_find_idev+0x102/0x170 [ 996.201008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.201008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.201008][ T73] netlink_rcv_skb+0x130/0x360 [ 996.201008][ T73] netlink_unicast+0x449/0x710 [ 996.201008][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.201008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.201008][ T73] ___sys_sendmsg+0xee/0x170 [ 996.201008][ T73] __sys_sendmsg+0xcd/0x170 [ 996.201008][ T73] do_syscall_64+0xc6/0x1e0 [ 996.201008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.201008][ T73] [ 996.202552][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 996.202552][ T73] neigh_parms_alloc+0x1e5/0x510 [ 996.202552][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 996.202552][ T73] ipv6_find_idev+0x102/0x170 [ 996.202552][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.202552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.202552][ T73] netlink_rcv_skb+0x130/0x360 [ 996.202552][ T73] netlink_unicast+0x449/0x710 [ 996.202552][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.202552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.202552][ T73] ___sys_sendmsg+0xee/0x170 [ 996.202552][ T73] __sys_sendmsg+0xcd/0x170 [ 996.202552][ T73] do_syscall_64+0xc6/0x1e0 [ 996.202552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.202552][ T73] [ 996.204278][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 996.204555][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.204555][ T73] dst_init+0x84/0x4a0 [ 996.204555][ T73] dst_alloc+0x97/0x150 [ 996.204555][ T73] ip6_dst_alloc+0x23/0x90 [ 996.204555][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 996.204555][ T73] ip6_pol_route+0x56f/0x840 [ 996.204555][ T73] fib6_rule_lookup+0x456/0x630 [ 996.204555][ T73] ip6_route_input+0x59c/0xa50 [ 996.204555][ T73] ipv6_rcv+0x397/0x810 [ 996.204555][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 996.204555][ T73] process_backlog+0x101/0x620 [ 996.204555][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 996.204555][ T73] net_rx_action+0x495/0xbe0 [ 996.204555][ T73] __do_softirq+0x1b5/0x7f6 [ 996.204555][ T73] [ 996.206223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.206223][ T73] netdev_get_by_index+0x5e/0x80 [ 996.206223][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.206223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.206223][ T73] addrconf_f6i_alloc+0x265/0x560 [ 996.206223][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 996.206223][ T73] addrconf_join_anycast+0x1c0/0x220 [ 996.206223][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 996.206223][ T73] addrconf_dad_completed+0x12b/0xe20 [ 996.206223][ T73] addrconf_dad_begin+0x310/0x670 [ 996.206223][ T73] addrconf_dad_work+0x10b/0xab0 [ 996.206223][ T73] process_one_work+0x84d/0x18a0 [ 996.206223][ T73] worker_thread+0x587/0xd30 [ 996.206223][ T73] kthread+0x28a/0x350 [ 996.206223][ T73] ret_from_fork+0x31/0x70 [ 996.206223][ T73] ret_from_fork_asm+0x1a/0x30 [ 996.206223][ T73] [ 996.208136][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.208136][ T73] netdev_get_by_index+0x5e/0x80 [ 996.208136][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.208136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.208136][ T73] ip6_route_add+0x1c/0x140 [ 996.208136][ T73] addrconf_prefix_route+0x2a6/0x430 [ 996.208136][ T73] inet6_addr_add+0x4f8/0xa40 [ 996.208136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.208136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.208136][ T73] netlink_rcv_skb+0x130/0x360 [ 996.208136][ T73] netlink_unicast+0x449/0x710 [ 996.208136][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.208136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.208136][ T73] ___sys_sendmsg+0xee/0x170 [ 996.208136][ T73] __sys_sendmsg+0xcd/0x170 [ 996.208136][ T73] do_syscall_64+0xc6/0x1e0 [ 996.208136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.208136][ T73] [ 996.210139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.210139][ T73] netdev_get_by_index+0x5e/0x80 [ 996.210139][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.210139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.210139][ T73] addrconf_f6i_alloc+0x315/0x560 [ 996.210139][ T73] ipv6_add_addr+0x411/0x2000 [ 996.210139][ T73] inet6_addr_add+0x30e/0xa40 [ 996.210139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.210139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.210139][ T73] netlink_rcv_skb+0x130/0x360 [ 996.210139][ T73] netlink_unicast+0x449/0x710 [ 996.210139][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.210139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.210139][ T73] ___sys_sendmsg+0xee/0x170 [ 996.210139][ T73] __sys_sendmsg+0xcd/0x170 [ 996.210139][ T73] do_syscall_64+0xc6/0x1e0 [ 996.210139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.210139][ T73] [ 996.212143][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.212143][ T73] netdev_get_by_index+0x5e/0x80 [ 996.212143][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.212143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.212143][ T73] ip6_route_add+0x1c/0x140 [ 996.212143][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 996.212143][ T73] addrconf_add_dev+0xe2/0x170 [ 996.212143][ T73] inet6_addr_add+0x12f/0xa40 [ 996.212143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.212143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.212143][ T73] netlink_rcv_skb+0x130/0x360 [ 996.212143][ T73] netlink_unicast+0x449/0x710 [ 996.212143][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.212143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.212143][ T73] ___sys_sendmsg+0xee/0x170 [ 996.212143][ T73] __sys_sendmsg+0xcd/0x170 [ 996.212143][ T73] do_syscall_64+0xc6/0x1e0 [ 996.212143][ T73] [ 996.214120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.214120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 996.214120][ T73] ipv6_find_idev+0x102/0x170 [ 996.214120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.214120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.214120][ T73] netlink_rcv_skb+0x130/0x360 [ 996.214120][ T73] netlink_unicast+0x449/0x710 [ 996.214120][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.214120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.214120][ T73] ___sys_sendmsg+0xee/0x170 [ 996.214120][ T73] __sys_sendmsg+0xcd/0x170 [ 996.214120][ T73] do_syscall_64+0xc6/0x1e0 [ 996.214120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.214120][ T73] [ 996.215661][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 996.215661][ T73] neigh_parms_alloc+0x1e5/0x510 [ 996.215661][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 996.215661][ T73] ipv6_find_idev+0x102/0x170 [ 996.215661][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.215661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.215661][ T73] netlink_rcv_skb+0x130/0x360 [ 996.215661][ T73] netlink_unicast+0x449/0x710 [ 996.215661][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.215661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.215661][ T73] ___sys_sendmsg+0xee/0x170 [ 996.215661][ T73] __sys_sendmsg+0xcd/0x170 [ 996.215661][ T73] do_syscall_64+0xc6/0x1e0 [ 996.215661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.215661][ T73] [ 996.217504][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 996.217791][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.217791][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 996.217791][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 996.217791][ T73] fib6_nh_init+0xa22/0x1580 [ 996.217791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.217791][ T73] ip6_route_add+0x1c/0x140 [ 996.217791][ T73] inet6_rtm_newroute+0x104/0x110 [ 996.217791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.217791][ T73] netlink_rcv_skb+0x130/0x360 [ 996.217791][ T73] netlink_unicast+0x449/0x710 [ 996.217791][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.217791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.217791][ T73] ___sys_sendmsg+0xee/0x170 [ 996.217791][ T73] __sys_sendmsg+0xcd/0x170 [ 996.217791][ T73] do_syscall_64+0xc6/0x1e0 [ 996.217791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.217791][ T73] [ 996.219985][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.219985][ T73] dst_init+0x84/0x4a0 [ 996.219985][ T73] dst_alloc+0x97/0x150 [ 996.219985][ T73] ip6_dst_alloc+0x23/0x90 [ 996.219985][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 996.219985][ T73] ip6_pol_route+0x56f/0x840 [ 996.219985][ T73] fib6_rule_lookup+0x456/0x630 [ 996.219985][ T73] ip6_route_input+0x59c/0xa50 [ 996.219985][ T73] ipv6_rcv+0x397/0x810 [ 996.219985][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 996.219985][ T73] process_backlog+0x101/0x620 [ 996.219985][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 996.219985][ T73] net_rx_action+0x495/0xbe0 [ 996.219985][ T73] __do_softirq+0x1b5/0x7f6 [ 996.219985][ T73] [ 996.221809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.221809][ T73] netdev_get_by_index+0x5e/0x80 [ 996.221809][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.221809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.221809][ T73] ip6_route_add+0x1c/0x140 [ 996.221809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 996.221809][ T73] inet6_addr_add+0x4f8/0xa40 [ 996.221809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.221809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.221809][ T73] netlink_rcv_skb+0x130/0x360 [ 996.221809][ T73] netlink_unicast+0x449/0x710 [ 996.221809][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.221809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.221809][ T73] ___sys_sendmsg+0xee/0x170 [ 996.221809][ T73] __sys_sendmsg+0xcd/0x170 [ 996.221809][ T73] do_syscall_64+0xc6/0x1e0 [ 996.221809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.221809][ T73] [ 996.224050][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.224050][ T73] netdev_get_by_index+0x5e/0x80 [ 996.224050][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.224050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.224050][ T73] addrconf_f6i_alloc+0x315/0x560 [ 996.224050][ T73] ipv6_add_addr+0x411/0x2000 [ 996.224050][ T73] inet6_addr_add+0x30e/0xa40 [ 996.224050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.224050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.224050][ T73] netlink_rcv_skb+0x130/0x360 [ 996.224050][ T73] netlink_unicast+0x449/0x710 [ 996.224050][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.224050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.224050][ T73] ___sys_sendmsg+0xee/0x170 [ 996.224050][ T73] __sys_sendmsg+0xcd/0x170 [ 996.224050][ T73] do_syscall_64+0xc6/0x1e0 [ 996.224050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.224050][ T73] [ 996.226309][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.226309][ T73] netdev_get_by_index+0x5e/0x80 [ 996.226309][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.226309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.226309][ T73] ip6_route_add+0x1c/0x140 [ 996.226309][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 996.226309][ T73] addrconf_add_dev+0xe2/0x170 [ 996.226309][ T73] inet6_addr_add+0x12f/0xa40 [ 996.226309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.226309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.226309][ T73] netlink_rcv_skb+0x130/0x360 [ 996.226309][ T73] netlink_unicast+0x449/0x710 [ 996.226309][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.226309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.226309][ T73] ___sys_sendmsg+0xee/0x170 [ 996.226309][ T73] __sys_sendmsg+0xcd/0x170 [ 996.226309][ T73] do_syscall_64+0xc6/0x1e0 [ 996.226309][ T73] [ 996.228580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.228580][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 996.228580][ T73] ipv6_find_idev+0x102/0x170 [ 996.228580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.228580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.228580][ T73] netlink_rcv_skb+0x130/0x360 [ 996.228580][ T73] netlink_unicast+0x449/0x710 [ 996.228580][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.228580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.228580][ T73] ___sys_sendmsg+0xee/0x170 [ 996.228580][ T73] __sys_sendmsg+0xcd/0x170 [ 996.228580][ T73] do_syscall_64+0xc6/0x1e0 [ 996.228580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.228580][ T73] [ 996.230322][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 996.230322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 996.230322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 996.230322][ T73] ipv6_find_idev+0x102/0x170 [ 996.230322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.230322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.230322][ T73] netlink_rcv_skb+0x130/0x360 [ 996.230322][ T73] netlink_unicast+0x449/0x710 [ 996.230322][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.230322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.230322][ T73] ___sys_sendmsg+0xee/0x170 [ 996.230322][ T73] __sys_sendmsg+0xcd/0x170 [ 996.230322][ T73] do_syscall_64+0xc6/0x1e0 [ 996.230322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.230322][ T73] [ 996.232222][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 996.232494][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 996.232494][ T73] netdev_get_by_index+0x5e/0x80 [ 996.232494][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.232494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.232494][ T73] addrconf_f6i_alloc+0x265/0x560 [ 996.232494][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 996.232494][ T73] addrconf_join_anycast+0x1c0/0x220 [ 996.232494][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 996.232494][ T73] addrconf_dad_completed+0x12b/0xe20 [ 996.232494][ T73] addrconf_dad_begin+0x310/0x670 [ 996.232494][ T73] addrconf_dad_work+0x10b/0xab0 [ 996.232494][ T73] process_one_work+0x84d/0x18a0 [ 996.232494][ T73] worker_thread+0x587/0xd30 [ 996.232494][ T73] kthread+0x28a/0x350 [ 996.232494][ T73] ret_from_fork+0x31/0x70 [ 996.232494][ T73] ret_from_fork_asm+0x1a/0x30 [ 996.232494][ T73] [ 996.234652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 996.234652][ T73] netdev_get_by_index+0x5e/0x80 [ 996.234652][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.234652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.234652][ T73] ip6_route_add+0x1c/0x140 [ 996.234652][ T73] addrconf_prefix_route+0x2a6/0x430 [ 996.234652][ T73] inet6_addr_add+0x4f8/0xa40 [ 996.234652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.234652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.234652][ T73] netlink_rcv_skb+0x130/0x360 [ 996.234652][ T73] netlink_unicast+0x449/0x710 [ 996.234652][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.234652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.234652][ T73] ___sys_sendmsg+0xee/0x170 [ 996.234652][ T73] __sys_sendmsg+0xcd/0x170 [ 996.234652][ T73] do_syscall_64+0xc6/0x1e0 [ 996.234652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.234652][ T73] [ 996.236912][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 996.236912][ T73] netdev_get_by_index+0x5e/0x80 [ 996.236912][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.236912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.236912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 996.236912][ T73] ipv6_add_addr+0x411/0x2000 [ 996.236912][ T73] inet6_addr_add+0x30e/0xa40 [ 996.236912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.236912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.236912][ T73] netlink_rcv_skb+0x130/0x360 [ 996.236912][ T73] netlink_unicast+0x449/0x710 [ 996.236912][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.236912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.236912][ T73] ___sys_sendmsg+0xee/0x170 [ 996.236912][ T73] __sys_sendmsg+0xcd/0x170 [ 996.236912][ T73] do_syscall_64+0xc6/0x1e0 [ 996.236912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.236912][ T73] [ 996.239223][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 996.239223][ T73] netdev_get_by_index+0x5e/0x80 [ 996.239223][ T73] fib6_nh_init+0x3d8/0x1580 [ 996.239223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 996.239223][ T73] ip6_route_add+0x1c/0x140 [ 996.239223][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 996.239223][ T73] addrconf_add_dev+0xe2/0x170 [ 996.239223][ T73] inet6_addr_add+0x12f/0xa40 [ 996.239223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 996.239223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.239223][ T73] netlink_rcv_skb+0x130/0x360 [ 996.239223][ T73] netlink_unicast+0x449/0x710 [ 996.239223][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.239223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.239223][ T73] ___sys_sendmsg+0xee/0x170 [ 996.239223][ T73] __sys_sendmsg+0xcd/0x170 [ 996.239223][ T73] do_syscall_64+0xc6/0x1e0 [ 996.239223][ T73] [ 996.241364][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 996.241364][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 996.241364][ T73] ipv6_find_idev+0x102/0x170 [ 996.241364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.241364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.241364][ T73] netlink_rcv_skb+0x130/0x360 [ 996.241364][ T73] netlink_unicast+0x449/0x710 [ 996.241364][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.241364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.241364][ T73] ___sys_sendmsg+0xee/0x170 [ 996.241364][ T73] __sys_sendmsg+0xcd/0x170 [ 996.241364][ T73] do_syscall_64+0xc6/0x1e0 [ 996.241364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.241364][ T73] [ 996.243094][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 996.243094][ T73] neigh_parms_alloc+0x1e5/0x510 [ 996.243094][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 996.243094][ T73] ipv6_find_idev+0x102/0x170 [ 996.243094][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.243094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.243094][ T73] netlink_rcv_skb+0x130/0x360 [ 996.243094][ T73] netlink_unicast+0x449/0x710 [ 996.243094][ T73] netlink_sendmsg+0x723/0xbe0 [ 996.243094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 996.243094][ T73] ___sys_sendmsg+0xee/0x170 [ 996.243094][ T73] __sys_sendmsg+0xcd/0x170 [ 996.243094][ T73] do_syscall_64+0xc6/0x1e0 [ 996.243094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.243094][ T73] [ 1006.454982][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1006.455435][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.455435][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1006.455435][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1006.455435][ T73] fib6_nh_init+0xa22/0x1580 [ 1006.455435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.455435][ T73] ip6_route_add+0x1c/0x140 [ 1006.455435][ T73] inet6_rtm_newroute+0x104/0x110 [ 1006.455435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.455435][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.455435][ T73] netlink_unicast+0x449/0x710 [ 1006.455435][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.455435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.455435][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.455435][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.455435][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.455435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.455435][ T73] [ 1006.457564][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.457564][ T73] dst_init+0x84/0x4a0 [ 1006.457564][ T73] dst_alloc+0x97/0x150 [ 1006.457564][ T73] ip6_dst_alloc+0x23/0x90 [ 1006.457564][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1006.457564][ T73] ip6_pol_route+0x56f/0x840 [ 1006.457564][ T73] fib6_rule_lookup+0x456/0x630 [ 1006.457564][ T73] ip6_route_input+0x59c/0xa50 [ 1006.457564][ T73] ipv6_rcv+0x397/0x810 [ 1006.457564][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1006.457564][ T73] process_backlog+0x101/0x620 [ 1006.457564][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1006.457564][ T73] net_rx_action+0x495/0xbe0 [ 1006.457564][ T73] __do_softirq+0x1b5/0x7f6 [ 1006.457564][ T73] [ 1006.459396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.459396][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.459396][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.459396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.459396][ T73] ip6_route_add+0x1c/0x140 [ 1006.459396][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1006.459396][ T73] inet6_addr_add+0x4f8/0xa40 [ 1006.459396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.459396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.459396][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.459396][ T73] netlink_unicast+0x449/0x710 [ 1006.459396][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.459396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.459396][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.459396][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.459396][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.459396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.459396][ T73] [ 1006.461624][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.461624][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.461624][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.461624][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.461624][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1006.461624][ T73] ipv6_add_addr+0x411/0x2000 [ 1006.461624][ T73] inet6_addr_add+0x30e/0xa40 [ 1006.461624][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.461624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.461624][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.461624][ T73] netlink_unicast+0x449/0x710 [ 1006.461624][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.461624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.461624][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.461624][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.461624][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.461624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.461624][ T73] [ 1006.463868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.463868][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.463868][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.463868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.463868][ T73] ip6_route_add+0x1c/0x140 [ 1006.463868][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1006.463868][ T73] addrconf_add_dev+0xe2/0x170 [ 1006.463868][ T73] inet6_addr_add+0x12f/0xa40 [ 1006.463868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.463868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.463868][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.463868][ T73] netlink_unicast+0x449/0x710 [ 1006.463868][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.463868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.463868][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.463868][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.463868][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.463868][ T73] [ 1006.466077][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.466077][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1006.466077][ T73] ipv6_find_idev+0x102/0x170 [ 1006.466077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.466077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.466077][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.466077][ T73] netlink_unicast+0x449/0x710 [ 1006.466077][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.466077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.466077][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.466077][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.466077][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.466077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.466077][ T73] [ 1006.467811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1006.467811][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1006.467811][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1006.467811][ T73] ipv6_find_idev+0x102/0x170 [ 1006.467811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.467811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.467811][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.467811][ T73] netlink_unicast+0x449/0x710 [ 1006.467811][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.467811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.467811][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.467811][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.467811][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.467811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.467811][ T73] [ 1006.469721][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1006.470052][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.470052][ T73] dst_init+0x84/0x4a0 [ 1006.470052][ T73] dst_alloc+0x97/0x150 [ 1006.470052][ T73] ip6_dst_alloc+0x23/0x90 [ 1006.470052][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1006.470052][ T73] ip6_pol_route+0x56f/0x840 [ 1006.470052][ T73] fib6_rule_lookup+0x456/0x630 [ 1006.470052][ T73] ip6_route_input+0x59c/0xa50 [ 1006.470052][ T73] ipv6_rcv+0x397/0x810 [ 1006.470052][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1006.470052][ T73] process_backlog+0x101/0x620 [ 1006.470052][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1006.470052][ T73] net_rx_action+0x495/0xbe0 [ 1006.470052][ T73] __do_softirq+0x1b5/0x7f6 [ 1006.470052][ T73] [ 1006.471892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.471892][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.471892][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.471892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.471892][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1006.471892][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1006.471892][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1006.471892][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1006.471892][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1006.471892][ T73] addrconf_dad_begin+0x310/0x670 [ 1006.471892][ T73] addrconf_dad_work+0x10b/0xab0 [ 1006.471892][ T73] process_one_work+0x84d/0x18a0 [ 1006.471892][ T73] worker_thread+0x587/0xd30 [ 1006.471892][ T73] kthread+0x28a/0x350 [ 1006.471892][ T73] ret_from_fork+0x31/0x70 [ 1006.471892][ T73] ret_from_fork_asm+0x1a/0x30 [ 1006.471892][ T73] [ 1006.474021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.474021][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.474021][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.474021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.474021][ T73] ip6_route_add+0x1c/0x140 [ 1006.474021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1006.474021][ T73] inet6_addr_add+0x4f8/0xa40 [ 1006.474021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.474021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.474021][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.474021][ T73] netlink_unicast+0x449/0x710 [ 1006.474021][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.474021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.474021][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.474021][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.474021][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.474021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.474021][ T73] [ 1006.476282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.476282][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.476282][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.476282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.476282][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1006.476282][ T73] ipv6_add_addr+0x411/0x2000 [ 1006.476282][ T73] inet6_addr_add+0x30e/0xa40 [ 1006.476282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.476282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.476282][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.476282][ T73] netlink_unicast+0x449/0x710 [ 1006.476282][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.476282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.476282][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.476282][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.476282][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.476282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.476282][ T73] [ 1006.478514][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.478514][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.478514][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.478514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.478514][ T73] ip6_route_add+0x1c/0x140 [ 1006.478514][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1006.478514][ T73] addrconf_add_dev+0xe2/0x170 [ 1006.478514][ T73] inet6_addr_add+0x12f/0xa40 [ 1006.478514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.478514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.478514][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.478514][ T73] netlink_unicast+0x449/0x710 [ 1006.478514][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.478514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.478514][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.478514][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.478514][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.478514][ T73] [ 1006.480705][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.480705][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1006.480705][ T73] ipv6_find_idev+0x102/0x170 [ 1006.480705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.480705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.480705][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.480705][ T73] netlink_unicast+0x449/0x710 [ 1006.480705][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.480705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.480705][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.480705][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.480705][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.480705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.480705][ T73] [ 1006.482424][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1006.482424][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1006.482424][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1006.482424][ T73] ipv6_find_idev+0x102/0x170 [ 1006.482424][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.482424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.482424][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.482424][ T73] netlink_unicast+0x449/0x710 [ 1006.482424][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.482424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.482424][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.482424][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.482424][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.482424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.482424][ T73] [ 1006.484434][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1006.484743][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.484743][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1006.484743][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1006.484743][ T73] fib6_nh_init+0xa22/0x1580 [ 1006.484743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.484743][ T73] ip6_route_add+0x1c/0x140 [ 1006.484743][ T73] inet6_rtm_newroute+0x104/0x110 [ 1006.484743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.484743][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.484743][ T73] netlink_unicast+0x449/0x710 [ 1006.484743][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.484743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.484743][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.484743][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.484743][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.484743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.484743][ T73] [ 1006.487086][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.487086][ T73] dst_init+0x84/0x4a0 [ 1006.487086][ T73] dst_alloc+0x97/0x150 [ 1006.487086][ T73] ip6_dst_alloc+0x23/0x90 [ 1006.487086][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1006.487086][ T73] ip6_pol_route+0x56f/0x840 [ 1006.487086][ T73] fib6_rule_lookup+0x456/0x630 [ 1006.487086][ T73] ip6_route_input+0x59c/0xa50 [ 1006.487086][ T73] ipv6_rcv+0x397/0x810 [ 1006.487086][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1006.487086][ T73] process_backlog+0x101/0x620 [ 1006.487086][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1006.487086][ T73] net_rx_action+0x495/0xbe0 [ 1006.487086][ T73] __do_softirq+0x1b5/0x7f6 [ 1006.487086][ T73] [ 1006.489083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.489083][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.489083][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.489083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.489083][ T73] ip6_route_add+0x1c/0x140 [ 1006.489083][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1006.489083][ T73] inet6_addr_add+0x4f8/0xa40 [ 1006.489083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.489083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.489083][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.489083][ T73] netlink_unicast+0x449/0x710 [ 1006.489083][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.489083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.489083][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.489083][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.489083][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.489083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.489083][ T73] [ 1006.491624][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.491624][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.491624][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.491624][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.491624][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1006.491624][ T73] ipv6_add_addr+0x411/0x2000 [ 1006.491624][ T73] inet6_addr_add+0x30e/0xa40 [ 1006.491624][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.491624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.491624][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.491624][ T73] netlink_unicast+0x449/0x710 [ 1006.491624][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.491624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.491624][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.491624][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.491624][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.491624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.491624][ T73] [ 1006.494104][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.494104][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.494104][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.494104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.494104][ T73] ip6_route_add+0x1c/0x140 [ 1006.494104][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1006.494104][ T73] addrconf_add_dev+0xe2/0x170 [ 1006.494104][ T73] inet6_addr_add+0x12f/0xa40 [ 1006.494104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.494104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.494104][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.494104][ T73] netlink_unicast+0x449/0x710 [ 1006.494104][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.494104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.494104][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.494104][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.494104][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.494104][ T73] [ 1006.496563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.496563][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1006.496563][ T73] ipv6_find_idev+0x102/0x170 [ 1006.496563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.496563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.496563][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.496563][ T73] netlink_unicast+0x449/0x710 [ 1006.496563][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.496563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.496563][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.496563][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.496563][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.496563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.496563][ T73] [ 1006.498418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1006.498418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1006.498418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1006.498418][ T73] ipv6_find_idev+0x102/0x170 [ 1006.498418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.498418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.498418][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.498418][ T73] netlink_unicast+0x449/0x710 [ 1006.498418][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.498418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.498418][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.498418][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.498418][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.498418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.498418][ T73] [ 1006.500611][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1006.501353][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1006.501353][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.501353][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.501353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.501353][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1006.501353][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1006.501353][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1006.501353][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1006.501353][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1006.501353][ T73] addrconf_dad_begin+0x310/0x670 [ 1006.501353][ T73] addrconf_dad_work+0x10b/0xab0 [ 1006.501353][ T73] process_one_work+0x84d/0x18a0 [ 1006.501353][ T73] worker_thread+0x587/0xd30 [ 1006.501353][ T73] kthread+0x28a/0x350 [ 1006.501353][ T73] ret_from_fork+0x31/0x70 [ 1006.501353][ T73] ret_from_fork_asm+0x1a/0x30 [ 1006.501353][ T73] [ 1006.503485][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1006.503485][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.503485][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.503485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.503485][ T73] ip6_route_add+0x1c/0x140 [ 1006.503485][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1006.503485][ T73] inet6_addr_add+0x4f8/0xa40 [ 1006.503485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.503485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.503485][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.503485][ T73] netlink_unicast+0x449/0x710 [ 1006.503485][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.503485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.503485][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.503485][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.503485][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.503485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.503485][ T73] [ 1006.505854][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1006.505854][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.505854][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.505854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.505854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1006.505854][ T73] ipv6_add_addr+0x411/0x2000 [ 1006.505854][ T73] inet6_addr_add+0x30e/0xa40 [ 1006.505854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.505854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.505854][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.505854][ T73] netlink_unicast+0x449/0x710 [ 1006.505854][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.505854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.505854][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.505854][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.505854][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.505854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.505854][ T73] [ 1006.508346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1006.508346][ T73] netdev_get_by_index+0x5e/0x80 [ 1006.508346][ T73] fib6_nh_init+0x3d8/0x1580 [ 1006.508346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1006.508346][ T73] ip6_route_add+0x1c/0x140 [ 1006.508346][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1006.508346][ T73] addrconf_add_dev+0xe2/0x170 [ 1006.508346][ T73] inet6_addr_add+0x12f/0xa40 [ 1006.508346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.508346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.508346][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.508346][ T73] netlink_unicast+0x449/0x710 [ 1006.508346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.508346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.508346][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.508346][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.508346][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.508346][ T73] [ 1006.510722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1006.510722][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1006.510722][ T73] ipv6_find_idev+0x102/0x170 [ 1006.510722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.510722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.510722][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.510722][ T73] netlink_unicast+0x449/0x710 [ 1006.510722][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.510722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.510722][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.510722][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.510722][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.510722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.510722][ T73] [ 1006.512630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1006.512630][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1006.512630][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1006.512630][ T73] ipv6_find_idev+0x102/0x170 [ 1006.512630][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.512630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.512630][ T73] netlink_rcv_skb+0x130/0x360 [ 1006.512630][ T73] netlink_unicast+0x449/0x710 [ 1006.512630][ T73] netlink_sendmsg+0x723/0xbe0 [ 1006.512630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1006.512630][ T73] ___sys_sendmsg+0xee/0x170 [ 1006.512630][ T73] __sys_sendmsg+0xcd/0x170 [ 1006.512630][ T73] do_syscall_64+0xc6/0x1e0 [ 1006.512630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.512630][ T73] [ 1016.839084][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1016.839600][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.839600][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1016.839600][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1016.839600][ T73] fib6_nh_init+0xa22/0x1580 [ 1016.839600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.839600][ T73] ip6_route_add+0x1c/0x140 [ 1016.839600][ T73] inet6_rtm_newroute+0x104/0x110 [ 1016.839600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.839600][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.839600][ T73] netlink_unicast+0x449/0x710 [ 1016.839600][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.839600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.839600][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.839600][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.839600][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.839600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.839600][ T73] [ 1016.841525][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.841525][ T73] dst_init+0x84/0x4a0 [ 1016.841525][ T73] dst_alloc+0x97/0x150 [ 1016.841525][ T73] ip6_dst_alloc+0x23/0x90 [ 1016.841525][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1016.841525][ T73] ip6_pol_route+0x56f/0x840 [ 1016.841525][ T73] fib6_rule_lookup+0x456/0x630 [ 1016.841525][ T73] ip6_route_input+0x59c/0xa50 [ 1016.841525][ T73] ipv6_rcv+0x397/0x810 [ 1016.841525][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1016.841525][ T73] process_backlog+0x101/0x620 [ 1016.841525][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1016.841525][ T73] net_rx_action+0x495/0xbe0 [ 1016.841525][ T73] __do_softirq+0x1b5/0x7f6 [ 1016.841525][ T73] [ 1016.843223][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.843223][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.843223][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.843223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.843223][ T73] ip6_route_add+0x1c/0x140 [ 1016.843223][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1016.843223][ T73] inet6_addr_add+0x4f8/0xa40 [ 1016.843223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.843223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.843223][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.843223][ T73] netlink_unicast+0x449/0x710 [ 1016.843223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.843223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.843223][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.843223][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.843223][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.843223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.843223][ T73] [ 1016.845275][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.845275][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.845275][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.845275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.845275][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1016.845275][ T73] ipv6_add_addr+0x411/0x2000 [ 1016.845275][ T73] inet6_addr_add+0x30e/0xa40 [ 1016.845275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.845275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.845275][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.845275][ T73] netlink_unicast+0x449/0x710 [ 1016.845275][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.845275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.845275][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.845275][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.845275][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.845275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.845275][ T73] [ 1016.847296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.847296][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.847296][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.847296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.847296][ T73] ip6_route_add+0x1c/0x140 [ 1016.847296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1016.847296][ T73] addrconf_add_dev+0xe2/0x170 [ 1016.847296][ T73] inet6_addr_add+0x12f/0xa40 [ 1016.847296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.847296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.847296][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.847296][ T73] netlink_unicast+0x449/0x710 [ 1016.847296][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.847296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.847296][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.847296][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.847296][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.847296][ T73] [ 1016.849296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.849296][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1016.849296][ T73] ipv6_find_idev+0x102/0x170 [ 1016.849296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.849296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.849296][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.849296][ T73] netlink_unicast+0x449/0x710 [ 1016.849296][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.849296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.849296][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.849296][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.849296][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.849296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.849296][ T73] [ 1016.850862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1016.850862][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1016.850862][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1016.850862][ T73] ipv6_find_idev+0x102/0x170 [ 1016.850862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.850862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.850862][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.850862][ T73] netlink_unicast+0x449/0x710 [ 1016.850862][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.850862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.850862][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.850862][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.850862][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.850862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.850862][ T73] [ 1016.852632][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1016.852931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.852931][ T73] dst_init+0x84/0x4a0 [ 1016.852931][ T73] dst_alloc+0x97/0x150 [ 1016.852931][ T73] ip6_dst_alloc+0x23/0x90 [ 1016.852931][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1016.852931][ T73] ip6_pol_route+0x56f/0x840 [ 1016.852931][ T73] fib6_rule_lookup+0x456/0x630 [ 1016.852931][ T73] ip6_route_input+0x59c/0xa50 [ 1016.852931][ T73] ipv6_rcv+0x397/0x810 [ 1016.852931][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1016.852931][ T73] process_backlog+0x101/0x620 [ 1016.852931][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1016.852931][ T73] net_rx_action+0x495/0xbe0 [ 1016.852931][ T73] __do_softirq+0x1b5/0x7f6 [ 1016.852931][ T73] [ 1016.854581][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.854581][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.854581][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.854581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.854581][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1016.854581][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1016.854581][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1016.854581][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1016.854581][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1016.854581][ T73] addrconf_dad_begin+0x310/0x670 [ 1016.854581][ T73] addrconf_dad_work+0x10b/0xab0 [ 1016.854581][ T73] process_one_work+0x84d/0x18a0 [ 1016.854581][ T73] worker_thread+0x587/0xd30 [ 1016.854581][ T73] kthread+0x28a/0x350 [ 1016.854581][ T73] ret_from_fork+0x31/0x70 [ 1016.854581][ T73] ret_from_fork_asm+0x1a/0x30 [ 1016.854581][ T73] [ 1016.856535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.856535][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.856535][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.856535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.856535][ T73] ip6_route_add+0x1c/0x140 [ 1016.856535][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1016.856535][ T73] inet6_addr_add+0x4f8/0xa40 [ 1016.856535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.856535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.856535][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.856535][ T73] netlink_unicast+0x449/0x710 [ 1016.856535][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.856535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.856535][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.856535][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.856535][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.856535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.856535][ T73] [ 1016.858547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.858547][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.858547][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.858547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.858547][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1016.858547][ T73] ipv6_add_addr+0x411/0x2000 [ 1016.858547][ T73] inet6_addr_add+0x30e/0xa40 [ 1016.858547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.858547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.858547][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.858547][ T73] netlink_unicast+0x449/0x710 [ 1016.858547][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.858547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.858547][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.858547][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.858547][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.858547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.858547][ T73] [ 1016.860560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.860560][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.860560][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.860560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.860560][ T73] ip6_route_add+0x1c/0x140 [ 1016.860560][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1016.860560][ T73] addrconf_add_dev+0xe2/0x170 [ 1016.860560][ T73] inet6_addr_add+0x12f/0xa40 [ 1016.860560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.860560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.860560][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.860560][ T73] netlink_unicast+0x449/0x710 [ 1016.860560][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.860560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.860560][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.860560][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.860560][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.860560][ T73] [ 1016.862537][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.862537][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1016.862537][ T73] ipv6_find_idev+0x102/0x170 [ 1016.862537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.862537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.862537][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.862537][ T73] netlink_unicast+0x449/0x710 [ 1016.862537][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.862537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.862537][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.862537][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.862537][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.862537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.862537][ T73] [ 1016.864090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1016.864090][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1016.864090][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1016.864090][ T73] ipv6_find_idev+0x102/0x170 [ 1016.864090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.864090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.864090][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.864090][ T73] netlink_unicast+0x449/0x710 [ 1016.864090][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.864090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.864090][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.864090][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.864090][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.864090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.864090][ T73] [ 1016.865877][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1016.866155][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.866155][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1016.866155][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1016.866155][ T73] fib6_nh_init+0xa22/0x1580 [ 1016.866155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.866155][ T73] ip6_route_add+0x1c/0x140 [ 1016.866155][ T73] inet6_rtm_newroute+0x104/0x110 [ 1016.866155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.866155][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.866155][ T73] netlink_unicast+0x449/0x710 [ 1016.866155][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.866155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.866155][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.866155][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.866155][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.866155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.866155][ T73] [ 1016.868346][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.868346][ T73] dst_init+0x84/0x4a0 [ 1016.868346][ T73] dst_alloc+0x97/0x150 [ 1016.868346][ T73] ip6_dst_alloc+0x23/0x90 [ 1016.868346][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1016.868346][ T73] ip6_pol_route+0x56f/0x840 [ 1016.868346][ T73] fib6_rule_lookup+0x456/0x630 [ 1016.868346][ T73] ip6_route_input+0x59c/0xa50 [ 1016.868346][ T73] ipv6_rcv+0x397/0x810 [ 1016.868346][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1016.868346][ T73] process_backlog+0x101/0x620 [ 1016.868346][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1016.868346][ T73] net_rx_action+0x495/0xbe0 [ 1016.868346][ T73] __do_softirq+0x1b5/0x7f6 [ 1016.868346][ T73] [ 1016.870166][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.870166][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.870166][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.870166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.870166][ T73] ip6_route_add+0x1c/0x140 [ 1016.870166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1016.870166][ T73] inet6_addr_add+0x4f8/0xa40 [ 1016.870166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.870166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.870166][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.870166][ T73] netlink_unicast+0x449/0x710 [ 1016.870166][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.870166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.870166][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.870166][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.870166][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.870166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.870166][ T73] [ 1016.872417][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.872417][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.872417][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.872417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.872417][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1016.872417][ T73] ipv6_add_addr+0x411/0x2000 [ 1016.872417][ T73] inet6_addr_add+0x30e/0xa40 [ 1016.872417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.872417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.872417][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.872417][ T73] netlink_unicast+0x449/0x710 [ 1016.872417][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.872417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.872417][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.872417][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.872417][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.872417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.872417][ T73] [ 1016.874665][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.874665][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.874665][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.874665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.874665][ T73] ip6_route_add+0x1c/0x140 [ 1016.874665][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1016.874665][ T73] addrconf_add_dev+0xe2/0x170 [ 1016.874665][ T73] inet6_addr_add+0x12f/0xa40 [ 1016.874665][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.874665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.874665][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.874665][ T73] netlink_unicast+0x449/0x710 [ 1016.874665][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.874665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.874665][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.874665][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.874665][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.874665][ T73] [ 1016.876968][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.876968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1016.876968][ T73] ipv6_find_idev+0x102/0x170 [ 1016.876968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.876968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.876968][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.876968][ T73] netlink_unicast+0x449/0x710 [ 1016.876968][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.876968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.876968][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.876968][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.876968][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.876968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.876968][ T73] [ 1016.878650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1016.878650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1016.878650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1016.878650][ T73] ipv6_find_idev+0x102/0x170 [ 1016.878650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.878650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.878650][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.878650][ T73] netlink_unicast+0x449/0x710 [ 1016.878650][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.878650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.878650][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.878650][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.878650][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.878650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.878650][ T73] [ 1016.880595][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1016.881318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1016.881318][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.881318][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.881318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.881318][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1016.881318][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1016.881318][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1016.881318][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1016.881318][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1016.881318][ T73] addrconf_dad_begin+0x310/0x670 [ 1016.881318][ T73] addrconf_dad_work+0x10b/0xab0 [ 1016.881318][ T73] process_one_work+0x84d/0x18a0 [ 1016.881318][ T73] worker_thread+0x587/0xd30 [ 1016.881318][ T73] kthread+0x28a/0x350 [ 1016.881318][ T73] ret_from_fork+0x31/0x70 [ 1016.881318][ T73] ret_from_fork_asm+0x1a/0x30 [ 1016.881318][ T73] [ 1016.883233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1016.883233][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.883233][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.883233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.883233][ T73] ip6_route_add+0x1c/0x140 [ 1016.883233][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1016.883233][ T73] inet6_addr_add+0x4f8/0xa40 [ 1016.883233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.883233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.883233][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.883233][ T73] netlink_unicast+0x449/0x710 [ 1016.883233][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.883233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.883233][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.883233][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.883233][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.883233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.883233][ T73] [ 1016.885368][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1016.885368][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.885368][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.885368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.885368][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1016.885368][ T73] ipv6_add_addr+0x411/0x2000 [ 1016.885368][ T73] inet6_addr_add+0x30e/0xa40 [ 1016.885368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.885368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.885368][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.885368][ T73] netlink_unicast+0x449/0x710 [ 1016.885368][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.885368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.885368][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.885368][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.885368][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.885368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.885368][ T73] [ 1016.887660][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1016.887660][ T73] netdev_get_by_index+0x5e/0x80 [ 1016.887660][ T73] fib6_nh_init+0x3d8/0x1580 [ 1016.887660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1016.887660][ T73] ip6_route_add+0x1c/0x140 [ 1016.887660][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1016.887660][ T73] addrconf_add_dev+0xe2/0x170 [ 1016.887660][ T73] inet6_addr_add+0x12f/0xa40 [ 1016.887660][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1016.887660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.887660][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.887660][ T73] netlink_unicast+0x449/0x710 [ 1016.887660][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.887660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.887660][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.887660][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.887660][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.887660][ T73] [ 1016.889822][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1016.889822][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1016.889822][ T73] ipv6_find_idev+0x102/0x170 [ 1016.889822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.889822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.889822][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.889822][ T73] netlink_unicast+0x449/0x710 [ 1016.889822][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.889822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.889822][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.889822][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.889822][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.889822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.889822][ T73] [ 1016.891608][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1016.891608][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1016.891608][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1016.891608][ T73] ipv6_find_idev+0x102/0x170 [ 1016.891608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1016.891608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1016.891608][ T73] netlink_rcv_skb+0x130/0x360 [ 1016.891608][ T73] netlink_unicast+0x449/0x710 [ 1016.891608][ T73] netlink_sendmsg+0x723/0xbe0 [ 1016.891608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1016.891608][ T73] ___sys_sendmsg+0xee/0x170 [ 1016.891608][ T73] __sys_sendmsg+0xcd/0x170 [ 1016.891608][ T73] do_syscall_64+0xc6/0x1e0 [ 1016.891608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1016.891608][ T73] [ 1027.134915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1027.135354][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.135354][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1027.135354][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1027.135354][ T73] fib6_nh_init+0xa22/0x1580 [ 1027.135354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.135354][ T73] ip6_route_add+0x1c/0x140 [ 1027.135354][ T73] inet6_rtm_newroute+0x104/0x110 [ 1027.135354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.135354][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.135354][ T73] netlink_unicast+0x449/0x710 [ 1027.135354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.135354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.135354][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.135354][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.135354][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.135354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.135354][ T73] [ 1027.137475][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.137475][ T73] dst_init+0x84/0x4a0 [ 1027.137475][ T73] dst_alloc+0x97/0x150 [ 1027.137475][ T73] ip6_dst_alloc+0x23/0x90 [ 1027.137475][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1027.137475][ T73] ip6_pol_route+0x56f/0x840 [ 1027.137475][ T73] fib6_rule_lookup+0x456/0x630 [ 1027.137475][ T73] ip6_route_input+0x59c/0xa50 [ 1027.137475][ T73] ipv6_rcv+0x397/0x810 [ 1027.137475][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1027.137475][ T73] process_backlog+0x101/0x620 [ 1027.137475][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1027.137475][ T73] net_rx_action+0x495/0xbe0 [ 1027.137475][ T73] __do_softirq+0x1b5/0x7f6 [ 1027.137475][ T73] [ 1027.139307][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.139307][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.139307][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.139307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.139307][ T73] ip6_route_add+0x1c/0x140 [ 1027.139307][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1027.139307][ T73] inet6_addr_add+0x4f8/0xa40 [ 1027.139307][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.139307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.139307][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.139307][ T73] netlink_unicast+0x449/0x710 [ 1027.139307][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.139307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.139307][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.139307][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.139307][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.139307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.139307][ T73] [ 1027.141538][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.141538][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.141538][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.141538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.141538][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1027.141538][ T73] ipv6_add_addr+0x411/0x2000 [ 1027.141538][ T73] inet6_addr_add+0x30e/0xa40 [ 1027.141538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.141538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.141538][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.141538][ T73] netlink_unicast+0x449/0x710 [ 1027.141538][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.141538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.141538][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.141538][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.141538][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.141538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.141538][ T73] [ 1027.143772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.143772][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.143772][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.143772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.143772][ T73] ip6_route_add+0x1c/0x140 [ 1027.143772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1027.143772][ T73] addrconf_add_dev+0xe2/0x170 [ 1027.143772][ T73] inet6_addr_add+0x12f/0xa40 [ 1027.143772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.143772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.143772][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.143772][ T73] netlink_unicast+0x449/0x710 [ 1027.143772][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.143772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.143772][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.143772][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.143772][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.143772][ T73] [ 1027.145970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.145970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1027.145970][ T73] ipv6_find_idev+0x102/0x170 [ 1027.145970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.145970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.145970][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.145970][ T73] netlink_unicast+0x449/0x710 [ 1027.145970][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.145970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.145970][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.145970][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.145970][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.145970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.145970][ T73] [ 1027.147696][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1027.147696][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1027.147696][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1027.147696][ T73] ipv6_find_idev+0x102/0x170 [ 1027.147696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.147696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.147696][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.147696][ T73] netlink_unicast+0x449/0x710 [ 1027.147696][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.147696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.147696][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.147696][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.147696][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.147696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.147696][ T73] [ 1027.149581][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1027.149894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.149894][ T73] dst_init+0x84/0x4a0 [ 1027.149894][ T73] dst_alloc+0x97/0x150 [ 1027.149894][ T73] ip6_dst_alloc+0x23/0x90 [ 1027.149894][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1027.149894][ T73] ip6_pol_route+0x56f/0x840 [ 1027.149894][ T73] fib6_rule_lookup+0x456/0x630 [ 1027.149894][ T73] ip6_route_input+0x59c/0xa50 [ 1027.149894][ T73] ipv6_rcv+0x397/0x810 [ 1027.149894][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1027.149894][ T73] process_backlog+0x101/0x620 [ 1027.149894][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1027.149894][ T73] net_rx_action+0x495/0xbe0 [ 1027.149894][ T73] __do_softirq+0x1b5/0x7f6 [ 1027.149894][ T73] [ 1027.151720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.151720][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.151720][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.151720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.151720][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1027.151720][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1027.151720][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1027.151720][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1027.151720][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1027.151720][ T73] addrconf_dad_begin+0x310/0x670 [ 1027.151720][ T73] addrconf_dad_work+0x10b/0xab0 [ 1027.151720][ T73] process_one_work+0x84d/0x18a0 [ 1027.151720][ T73] worker_thread+0x587/0xd30 [ 1027.151720][ T73] kthread+0x28a/0x350 [ 1027.151720][ T73] ret_from_fork+0x31/0x70 [ 1027.151720][ T73] ret_from_fork_asm+0x1a/0x30 [ 1027.151720][ T73] [ 1027.153856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.153856][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.153856][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.153856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.153856][ T73] ip6_route_add+0x1c/0x140 [ 1027.153856][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1027.153856][ T73] inet6_addr_add+0x4f8/0xa40 [ 1027.153856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.153856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.153856][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.153856][ T73] netlink_unicast+0x449/0x710 [ 1027.153856][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.153856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.153856][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.153856][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.153856][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.153856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.153856][ T73] [ 1027.156814][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.156814][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.156814][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.156814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.156814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1027.156814][ T73] ipv6_add_addr+0x411/0x2000 [ 1027.156814][ T73] inet6_addr_add+0x30e/0xa40 [ 1027.156814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.156814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.156814][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.156814][ T73] netlink_unicast+0x449/0x710 [ 1027.156814][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.156814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.156814][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.156814][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.156814][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.156814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.156814][ T73] [ 1027.160013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.160013][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.160013][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.160013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.160013][ T73] ip6_route_add+0x1c/0x140 [ 1027.160013][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1027.160013][ T73] addrconf_add_dev+0xe2/0x170 [ 1027.160013][ T73] inet6_addr_add+0x12f/0xa40 [ 1027.160013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.160013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.160013][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.160013][ T73] netlink_unicast+0x449/0x710 [ 1027.160013][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.160013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.160013][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.160013][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.160013][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.160013][ T73] [ 1027.163078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.163078][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1027.163078][ T73] ipv6_find_idev+0x102/0x170 [ 1027.163078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.163078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.163078][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.163078][ T73] netlink_unicast+0x449/0x710 [ 1027.163078][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.163078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.163078][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.163078][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.163078][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.163078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.163078][ T73] [ 1027.165612][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1027.165612][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1027.165612][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1027.165612][ T73] ipv6_find_idev+0x102/0x170 [ 1027.165612][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.165612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.165612][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.165612][ T73] netlink_unicast+0x449/0x710 [ 1027.165612][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.165612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.165612][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.165612][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.165612][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.165612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.165612][ T73] [ 1027.168560][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1027.169024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.169024][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1027.169024][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1027.169024][ T73] fib6_nh_init+0xa22/0x1580 [ 1027.169024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.169024][ T73] ip6_route_add+0x1c/0x140 [ 1027.169024][ T73] inet6_rtm_newroute+0x104/0x110 [ 1027.169024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.169024][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.169024][ T73] netlink_unicast+0x449/0x710 [ 1027.169024][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.169024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.169024][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.169024][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.169024][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.169024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.169024][ T73] [ 1027.172398][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.172398][ T73] dst_init+0x84/0x4a0 [ 1027.172398][ T73] dst_alloc+0x97/0x150 [ 1027.172398][ T73] ip6_dst_alloc+0x23/0x90 [ 1027.172398][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1027.172398][ T73] ip6_pol_route+0x56f/0x840 [ 1027.172398][ T73] fib6_rule_lookup+0x456/0x630 [ 1027.172398][ T73] ip6_route_input+0x59c/0xa50 [ 1027.172398][ T73] ipv6_rcv+0x397/0x810 [ 1027.172398][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1027.172398][ T73] process_backlog+0x101/0x620 [ 1027.172398][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1027.172398][ T73] net_rx_action+0x495/0xbe0 [ 1027.172398][ T73] __do_softirq+0x1b5/0x7f6 [ 1027.172398][ T73] [ 1027.175273][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.175273][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.175273][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.175273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.175273][ T73] ip6_route_add+0x1c/0x140 [ 1027.175273][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1027.175273][ T73] inet6_addr_add+0x4f8/0xa40 [ 1027.175273][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.175273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.175273][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.175273][ T73] netlink_unicast+0x449/0x710 [ 1027.175273][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.175273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.175273][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.175273][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.175273][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.175273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.175273][ T73] [ 1027.178867][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.178867][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.178867][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.178867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.178867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1027.178867][ T73] ipv6_add_addr+0x411/0x2000 [ 1027.178867][ T73] inet6_addr_add+0x30e/0xa40 [ 1027.178867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.178867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.178867][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.178867][ T73] netlink_unicast+0x449/0x710 [ 1027.178867][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.178867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.178867][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.178867][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.178867][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.178867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.178867][ T73] [ 1027.182354][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.182354][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.182354][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.182354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.182354][ T73] ip6_route_add+0x1c/0x140 [ 1027.182354][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1027.182354][ T73] addrconf_add_dev+0xe2/0x170 [ 1027.182354][ T73] inet6_addr_add+0x12f/0xa40 [ 1027.182354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.182354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.182354][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.182354][ T73] netlink_unicast+0x449/0x710 [ 1027.182354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.182354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.182354][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.182354][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.182354][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.182354][ T73] [ 1027.185717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.185717][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1027.185717][ T73] ipv6_find_idev+0x102/0x170 [ 1027.185717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.185717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.185717][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.185717][ T73] netlink_unicast+0x449/0x710 [ 1027.185717][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.185717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.185717][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.185717][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.185717][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.185717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.185717][ T73] [ 1027.188276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1027.188276][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1027.188276][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1027.188276][ T73] ipv6_find_idev+0x102/0x170 [ 1027.188276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.188276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.188276][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.188276][ T73] netlink_unicast+0x449/0x710 [ 1027.188276][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.188276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.188276][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.188276][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.188276][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.188276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.188276][ T73] [ 1027.191131][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1027.191575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1027.191575][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.191575][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.191575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.191575][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1027.191575][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1027.191575][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1027.191575][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1027.191575][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1027.191575][ T73] addrconf_dad_begin+0x310/0x670 [ 1027.191575][ T73] addrconf_dad_work+0x10b/0xab0 [ 1027.191575][ T73] process_one_work+0x84d/0x18a0 [ 1027.191575][ T73] worker_thread+0x587/0xd30 [ 1027.191575][ T73] kthread+0x28a/0x350 [ 1027.191575][ T73] ret_from_fork+0x31/0x70 [ 1027.191575][ T73] ret_from_fork_asm+0x1a/0x30 [ 1027.191575][ T73] [ 1027.195006][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1027.195006][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.195006][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.195006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.195006][ T73] ip6_route_add+0x1c/0x140 [ 1027.195006][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1027.195006][ T73] inet6_addr_add+0x4f8/0xa40 [ 1027.195006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.195006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.195006][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.195006][ T73] netlink_unicast+0x449/0x710 [ 1027.195006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.195006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.195006][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.195006][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.195006][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.195006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.195006][ T73] [ 1027.198575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1027.198575][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.198575][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.198575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.198575][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1027.198575][ T73] ipv6_add_addr+0x411/0x2000 [ 1027.198575][ T73] inet6_addr_add+0x30e/0xa40 [ 1027.198575][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.198575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.198575][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.198575][ T73] netlink_unicast+0x449/0x710 [ 1027.198575][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.198575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.198575][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.198575][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.198575][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.198575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.198575][ T73] [ 1027.202027][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1027.202027][ T73] netdev_get_by_index+0x5e/0x80 [ 1027.202027][ T73] fib6_nh_init+0x3d8/0x1580 [ 1027.202027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1027.202027][ T73] ip6_route_add+0x1c/0x140 [ 1027.202027][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1027.202027][ T73] addrconf_add_dev+0xe2/0x170 [ 1027.202027][ T73] inet6_addr_add+0x12f/0xa40 [ 1027.202027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.202027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.202027][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.202027][ T73] netlink_unicast+0x449/0x710 [ 1027.202027][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.202027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.202027][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.202027][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.202027][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.202027][ T73] [ 1027.205468][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1027.205468][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1027.205468][ T73] ipv6_find_idev+0x102/0x170 [ 1027.205468][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.205468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.205468][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.205468][ T73] netlink_unicast+0x449/0x710 [ 1027.205468][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.205468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.205468][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.205468][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.205468][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.205468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.205468][ T73] [ 1027.208235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1027.208235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1027.208235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1027.208235][ T73] ipv6_find_idev+0x102/0x170 [ 1027.208235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.208235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.208235][ T73] netlink_rcv_skb+0x130/0x360 [ 1027.208235][ T73] netlink_unicast+0x449/0x710 [ 1027.208235][ T73] netlink_sendmsg+0x723/0xbe0 [ 1027.208235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1027.208235][ T73] ___sys_sendmsg+0xee/0x170 [ 1027.208235][ T73] __sys_sendmsg+0xcd/0x170 [ 1027.208235][ T73] do_syscall_64+0xc6/0x1e0 [ 1027.208235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.208235][ T73] [ 1037.454932][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1037.455449][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.455449][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1037.455449][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1037.455449][ T73] fib6_nh_init+0xa22/0x1580 [ 1037.455449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.455449][ T73] ip6_route_add+0x1c/0x140 [ 1037.455449][ T73] inet6_rtm_newroute+0x104/0x110 [ 1037.455449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.455449][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.455449][ T73] netlink_unicast+0x449/0x710 [ 1037.455449][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.455449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.455449][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.455449][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.455449][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.455449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.455449][ T73] [ 1037.457374][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.457374][ T73] dst_init+0x84/0x4a0 [ 1037.457374][ T73] dst_alloc+0x97/0x150 [ 1037.457374][ T73] ip6_dst_alloc+0x23/0x90 [ 1037.457374][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1037.457374][ T73] ip6_pol_route+0x56f/0x840 [ 1037.457374][ T73] fib6_rule_lookup+0x456/0x630 [ 1037.457374][ T73] ip6_route_input+0x59c/0xa50 [ 1037.457374][ T73] ipv6_rcv+0x397/0x810 [ 1037.457374][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1037.457374][ T73] process_backlog+0x101/0x620 [ 1037.457374][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1037.457374][ T73] net_rx_action+0x495/0xbe0 [ 1037.457374][ T73] __do_softirq+0x1b5/0x7f6 [ 1037.457374][ T73] [ 1037.459029][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.459029][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.459029][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.459029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.459029][ T73] ip6_route_add+0x1c/0x140 [ 1037.459029][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1037.459029][ T73] inet6_addr_add+0x4f8/0xa40 [ 1037.459029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.459029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.459029][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.459029][ T73] netlink_unicast+0x449/0x710 [ 1037.459029][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.459029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.459029][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.459029][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.459029][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.459029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.459029][ T73] [ 1037.461043][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.461043][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.461043][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.461043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.461043][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1037.461043][ T73] ipv6_add_addr+0x411/0x2000 [ 1037.461043][ T73] inet6_addr_add+0x30e/0xa40 [ 1037.461043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.461043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.461043][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.461043][ T73] netlink_unicast+0x449/0x710 [ 1037.461043][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.461043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.461043][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.461043][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.461043][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.461043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.461043][ T73] [ 1037.463066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.463066][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.463066][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.463066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.463066][ T73] ip6_route_add+0x1c/0x140 [ 1037.463066][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1037.463066][ T73] addrconf_add_dev+0xe2/0x170 [ 1037.463066][ T73] inet6_addr_add+0x12f/0xa40 [ 1037.463066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.463066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.463066][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.463066][ T73] netlink_unicast+0x449/0x710 [ 1037.463066][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.463066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.463066][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.463066][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.463066][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.463066][ T73] [ 1037.465056][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.465056][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1037.465056][ T73] ipv6_find_idev+0x102/0x170 [ 1037.465056][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.465056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.465056][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.465056][ T73] netlink_unicast+0x449/0x710 [ 1037.465056][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.465056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.465056][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.465056][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.465056][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.465056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.465056][ T73] [ 1037.466614][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1037.466614][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1037.466614][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1037.466614][ T73] ipv6_find_idev+0x102/0x170 [ 1037.466614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.466614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.466614][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.466614][ T73] netlink_unicast+0x449/0x710 [ 1037.466614][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.466614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.466614][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.466614][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.466614][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.466614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.466614][ T73] [ 1037.468337][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1037.468611][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.468611][ T73] dst_init+0x84/0x4a0 [ 1037.468611][ T73] dst_alloc+0x97/0x150 [ 1037.468611][ T73] ip6_dst_alloc+0x23/0x90 [ 1037.468611][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1037.468611][ T73] ip6_pol_route+0x56f/0x840 [ 1037.468611][ T73] fib6_rule_lookup+0x456/0x630 [ 1037.468611][ T73] ip6_route_input+0x59c/0xa50 [ 1037.468611][ T73] ipv6_rcv+0x397/0x810 [ 1037.468611][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1037.468611][ T73] process_backlog+0x101/0x620 [ 1037.468611][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1037.468611][ T73] net_rx_action+0x495/0xbe0 [ 1037.468611][ T73] __do_softirq+0x1b5/0x7f6 [ 1037.468611][ T73] [ 1037.470278][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.470278][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.470278][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.470278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.470278][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1037.470278][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1037.470278][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1037.470278][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1037.470278][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1037.470278][ T73] addrconf_dad_begin+0x310/0x670 [ 1037.470278][ T73] addrconf_dad_work+0x10b/0xab0 [ 1037.470278][ T73] process_one_work+0x84d/0x18a0 [ 1037.470278][ T73] worker_thread+0x587/0xd30 [ 1037.470278][ T73] kthread+0x28a/0x350 [ 1037.470278][ T73] ret_from_fork+0x31/0x70 [ 1037.470278][ T73] ret_from_fork_asm+0x1a/0x30 [ 1037.470278][ T73] [ 1037.472210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.472210][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.472210][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.472210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.472210][ T73] ip6_route_add+0x1c/0x140 [ 1037.472210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1037.472210][ T73] inet6_addr_add+0x4f8/0xa40 [ 1037.472210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.472210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.472210][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.472210][ T73] netlink_unicast+0x449/0x710 [ 1037.472210][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.472210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.472210][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.472210][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.472210][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.472210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.472210][ T73] [ 1037.474226][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.474226][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.474226][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.474226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.474226][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1037.474226][ T73] ipv6_add_addr+0x411/0x2000 [ 1037.474226][ T73] inet6_addr_add+0x30e/0xa40 [ 1037.474226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.474226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.474226][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.474226][ T73] netlink_unicast+0x449/0x710 [ 1037.474226][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.474226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.474226][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.474226][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.474226][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.474226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.474226][ T73] [ 1037.476284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.476284][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.476284][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.476284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.476284][ T73] ip6_route_add+0x1c/0x140 [ 1037.476284][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1037.476284][ T73] addrconf_add_dev+0xe2/0x170 [ 1037.476284][ T73] inet6_addr_add+0x12f/0xa40 [ 1037.476284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.476284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.476284][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.476284][ T73] netlink_unicast+0x449/0x710 [ 1037.476284][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.476284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.476284][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.476284][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.476284][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.476284][ T73] [ 1037.478260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.478260][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1037.478260][ T73] ipv6_find_idev+0x102/0x170 [ 1037.478260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.478260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.478260][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.478260][ T73] netlink_unicast+0x449/0x710 [ 1037.478260][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.478260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.478260][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.478260][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.478260][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.478260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.478260][ T73] [ 1037.479806][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1037.479806][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1037.479806][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1037.479806][ T73] ipv6_find_idev+0x102/0x170 [ 1037.479806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.479806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.479806][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.479806][ T73] netlink_unicast+0x449/0x710 [ 1037.479806][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.479806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.479806][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.479806][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.479806][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.479806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.479806][ T73] [ 1037.481643][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1037.481926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.481926][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1037.481926][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1037.481926][ T73] fib6_nh_init+0xa22/0x1580 [ 1037.481926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.481926][ T73] ip6_route_add+0x1c/0x140 [ 1037.481926][ T73] inet6_rtm_newroute+0x104/0x110 [ 1037.481926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.481926][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.481926][ T73] netlink_unicast+0x449/0x710 [ 1037.481926][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.481926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.481926][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.481926][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.481926][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.481926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.481926][ T73] [ 1037.484114][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.484114][ T73] dst_init+0x84/0x4a0 [ 1037.484114][ T73] dst_alloc+0x97/0x150 [ 1037.484114][ T73] ip6_dst_alloc+0x23/0x90 [ 1037.484114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1037.484114][ T73] ip6_pol_route+0x56f/0x840 [ 1037.484114][ T73] fib6_rule_lookup+0x456/0x630 [ 1037.484114][ T73] ip6_route_input+0x59c/0xa50 [ 1037.484114][ T73] ipv6_rcv+0x397/0x810 [ 1037.484114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1037.484114][ T73] process_backlog+0x101/0x620 [ 1037.484114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1037.484114][ T73] net_rx_action+0x495/0xbe0 [ 1037.484114][ T73] __do_softirq+0x1b5/0x7f6 [ 1037.484114][ T73] [ 1037.485952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.485952][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.485952][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.485952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.485952][ T73] ip6_route_add+0x1c/0x140 [ 1037.485952][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1037.485952][ T73] inet6_addr_add+0x4f8/0xa40 [ 1037.485952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.485952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.485952][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.485952][ T73] netlink_unicast+0x449/0x710 [ 1037.485952][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.485952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.485952][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.485952][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.485952][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.485952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.485952][ T73] [ 1037.488210][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.488210][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.488210][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.488210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.488210][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1037.488210][ T73] ipv6_add_addr+0x411/0x2000 [ 1037.488210][ T73] inet6_addr_add+0x30e/0xa40 [ 1037.488210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.488210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.488210][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.488210][ T73] netlink_unicast+0x449/0x710 [ 1037.488210][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.488210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.488210][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.488210][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.488210][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.488210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.488210][ T73] [ 1037.490475][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.490475][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.490475][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.490475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.490475][ T73] ip6_route_add+0x1c/0x140 [ 1037.490475][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1037.490475][ T73] addrconf_add_dev+0xe2/0x170 [ 1037.490475][ T73] inet6_addr_add+0x12f/0xa40 [ 1037.490475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.490475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.490475][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.490475][ T73] netlink_unicast+0x449/0x710 [ 1037.490475][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.490475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.490475][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.490475][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.490475][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.490475][ T73] [ 1037.492751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.492751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1037.492751][ T73] ipv6_find_idev+0x102/0x170 [ 1037.492751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.492751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.492751][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.492751][ T73] netlink_unicast+0x449/0x710 [ 1037.492751][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.492751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.492751][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.492751][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.492751][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.492751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.492751][ T73] [ 1037.494415][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1037.494415][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1037.494415][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1037.494415][ T73] ipv6_find_idev+0x102/0x170 [ 1037.494415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.494415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.494415][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.494415][ T73] netlink_unicast+0x449/0x710 [ 1037.494415][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.494415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.494415][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.494415][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.494415][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.494415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.494415][ T73] [ 1037.496364][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1037.496635][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1037.496635][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.496635][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.496635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.496635][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1037.496635][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1037.496635][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1037.496635][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1037.496635][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1037.496635][ T73] addrconf_dad_begin+0x310/0x670 [ 1037.496635][ T73] addrconf_dad_work+0x10b/0xab0 [ 1037.496635][ T73] process_one_work+0x84d/0x18a0 [ 1037.496635][ T73] worker_thread+0x587/0xd30 [ 1037.496635][ T73] kthread+0x28a/0x350 [ 1037.496635][ T73] ret_from_fork+0x31/0x70 [ 1037.496635][ T73] ret_from_fork_asm+0x1a/0x30 [ 1037.496635][ T73] [ 1037.498797][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1037.498797][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.498797][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.498797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.498797][ T73] ip6_route_add+0x1c/0x140 [ 1037.498797][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1037.498797][ T73] inet6_addr_add+0x4f8/0xa40 [ 1037.498797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.498797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.498797][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.498797][ T73] netlink_unicast+0x449/0x710 [ 1037.498797][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.498797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.498797][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.498797][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.498797][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.498797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.498797][ T73] [ 1037.501063][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1037.501063][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.501063][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.501063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.501063][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1037.501063][ T73] ipv6_add_addr+0x411/0x2000 [ 1037.501063][ T73] inet6_addr_add+0x30e/0xa40 [ 1037.501063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.501063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.501063][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.501063][ T73] netlink_unicast+0x449/0x710 [ 1037.501063][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.501063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.501063][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.501063][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.501063][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.501063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.501063][ T73] [ 1037.503309][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1037.503309][ T73] netdev_get_by_index+0x5e/0x80 [ 1037.503309][ T73] fib6_nh_init+0x3d8/0x1580 [ 1037.503309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1037.503309][ T73] ip6_route_add+0x1c/0x140 [ 1037.503309][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1037.503309][ T73] addrconf_add_dev+0xe2/0x170 [ 1037.503309][ T73] inet6_addr_add+0x12f/0xa40 [ 1037.503309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.503309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.503309][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.503309][ T73] netlink_unicast+0x449/0x710 [ 1037.503309][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.503309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.503309][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.503309][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.503309][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.503309][ T73] [ 1037.505526][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1037.505526][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1037.505526][ T73] ipv6_find_idev+0x102/0x170 [ 1037.505526][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.505526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.505526][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.505526][ T73] netlink_unicast+0x449/0x710 [ 1037.505526][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.505526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.505526][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.505526][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.505526][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.505526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.505526][ T73] [ 1037.507255][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1037.507255][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1037.507255][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1037.507255][ T73] ipv6_find_idev+0x102/0x170 [ 1037.507255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.507255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.507255][ T73] netlink_rcv_skb+0x130/0x360 [ 1037.507255][ T73] netlink_unicast+0x449/0x710 [ 1037.507255][ T73] netlink_sendmsg+0x723/0xbe0 [ 1037.507255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1037.507255][ T73] ___sys_sendmsg+0xee/0x170 [ 1037.507255][ T73] __sys_sendmsg+0xcd/0x170 [ 1037.507255][ T73] do_syscall_64+0xc6/0x1e0 [ 1037.507255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.507255][ T73] [ 1047.606879][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1047.607362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.607362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1047.607362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1047.607362][ T73] fib6_nh_init+0xa22/0x1580 [ 1047.607362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.607362][ T73] ip6_route_add+0x1c/0x140 [ 1047.607362][ T73] inet6_rtm_newroute+0x104/0x110 [ 1047.607362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.607362][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.607362][ T73] netlink_unicast+0x449/0x710 [ 1047.607362][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.607362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.607362][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.607362][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.607362][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.607362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.607362][ T73] [ 1047.609251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.609251][ T73] dst_init+0x84/0x4a0 [ 1047.609251][ T73] dst_alloc+0x97/0x150 [ 1047.609251][ T73] ip6_dst_alloc+0x23/0x90 [ 1047.609251][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1047.609251][ T73] ip6_pol_route+0x56f/0x840 [ 1047.609251][ T73] fib6_rule_lookup+0x456/0x630 [ 1047.609251][ T73] ip6_route_input+0x59c/0xa50 [ 1047.609251][ T73] ipv6_rcv+0x397/0x810 [ 1047.609251][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1047.609251][ T73] process_backlog+0x101/0x620 [ 1047.609251][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1047.609251][ T73] net_rx_action+0x495/0xbe0 [ 1047.609251][ T73] __do_softirq+0x1b5/0x7f6 [ 1047.609251][ T73] [ 1047.611270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.611270][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.611270][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.611270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.611270][ T73] ip6_route_add+0x1c/0x140 [ 1047.611270][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1047.611270][ T73] inet6_addr_add+0x4f8/0xa40 [ 1047.611270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.611270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.611270][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.611270][ T73] netlink_unicast+0x449/0x710 [ 1047.611270][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.611270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.611270][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.611270][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.611270][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.611270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.611270][ T73] [ 1047.613262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.613262][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.613262][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.613262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.613262][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1047.613262][ T73] ipv6_add_addr+0x411/0x2000 [ 1047.613262][ T73] inet6_addr_add+0x30e/0xa40 [ 1047.613262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.613262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.613262][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.613262][ T73] netlink_unicast+0x449/0x710 [ 1047.613262][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.613262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.613262][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.613262][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.613262][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.613262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.613262][ T73] [ 1047.615259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.615259][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.615259][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.615259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.615259][ T73] ip6_route_add+0x1c/0x140 [ 1047.615259][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1047.615259][ T73] addrconf_add_dev+0xe2/0x170 [ 1047.615259][ T73] inet6_addr_add+0x12f/0xa40 [ 1047.615259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.615259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.615259][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.615259][ T73] netlink_unicast+0x449/0x710 [ 1047.615259][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.615259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.615259][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.615259][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.615259][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.615259][ T73] [ 1047.617241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.617241][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1047.617241][ T73] ipv6_find_idev+0x102/0x170 [ 1047.617241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.617241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.617241][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.617241][ T73] netlink_unicast+0x449/0x710 [ 1047.617241][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.617241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.617241][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.617241][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.617241][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.617241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.617241][ T73] [ 1047.618778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1047.618778][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1047.618778][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1047.618778][ T73] ipv6_find_idev+0x102/0x170 [ 1047.618778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.618778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.618778][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.618778][ T73] netlink_unicast+0x449/0x710 [ 1047.618778][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.618778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.618778][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.618778][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.618778][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.618778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.618778][ T73] [ 1047.620471][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1047.620743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.620743][ T73] dst_init+0x84/0x4a0 [ 1047.620743][ T73] dst_alloc+0x97/0x150 [ 1047.620743][ T73] ip6_dst_alloc+0x23/0x90 [ 1047.620743][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1047.620743][ T73] ip6_pol_route+0x56f/0x840 [ 1047.620743][ T73] fib6_rule_lookup+0x456/0x630 [ 1047.620743][ T73] ip6_route_input+0x59c/0xa50 [ 1047.620743][ T73] ipv6_rcv+0x397/0x810 [ 1047.620743][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1047.620743][ T73] process_backlog+0x101/0x620 [ 1047.620743][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1047.620743][ T73] net_rx_action+0x495/0xbe0 [ 1047.620743][ T73] __do_softirq+0x1b5/0x7f6 [ 1047.620743][ T73] [ 1047.622372][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.622372][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.622372][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.622372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.622372][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1047.622372][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1047.622372][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1047.622372][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1047.622372][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1047.622372][ T73] addrconf_dad_begin+0x310/0x670 [ 1047.622372][ T73] addrconf_dad_work+0x10b/0xab0 [ 1047.622372][ T73] process_one_work+0x84d/0x18a0 [ 1047.622372][ T73] worker_thread+0x587/0xd30 [ 1047.622372][ T73] kthread+0x28a/0x350 [ 1047.622372][ T73] ret_from_fork+0x31/0x70 [ 1047.622372][ T73] ret_from_fork_asm+0x1a/0x30 [ 1047.622372][ T73] [ 1047.624272][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.624272][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.624272][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.624272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.624272][ T73] ip6_route_add+0x1c/0x140 [ 1047.624272][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1047.624272][ T73] inet6_addr_add+0x4f8/0xa40 [ 1047.624272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.624272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.624272][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.624272][ T73] netlink_unicast+0x449/0x710 [ 1047.624272][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.624272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.624272][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.624272][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.624272][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.624272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.624272][ T73] [ 1047.626284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.626284][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.626284][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.626284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.626284][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1047.626284][ T73] ipv6_add_addr+0x411/0x2000 [ 1047.626284][ T73] inet6_addr_add+0x30e/0xa40 [ 1047.626284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.626284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.626284][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.626284][ T73] netlink_unicast+0x449/0x710 [ 1047.626284][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.626284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.626284][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.626284][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.626284][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.626284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.626284][ T73] [ 1047.628265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.628265][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.628265][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.628265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.628265][ T73] ip6_route_add+0x1c/0x140 [ 1047.628265][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1047.628265][ T73] addrconf_add_dev+0xe2/0x170 [ 1047.628265][ T73] inet6_addr_add+0x12f/0xa40 [ 1047.628265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.628265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.628265][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.628265][ T73] netlink_unicast+0x449/0x710 [ 1047.628265][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.628265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.628265][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.628265][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.628265][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.628265][ T73] [ 1047.630212][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.630212][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1047.630212][ T73] ipv6_find_idev+0x102/0x170 [ 1047.630212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.630212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.630212][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.630212][ T73] netlink_unicast+0x449/0x710 [ 1047.630212][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.630212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.630212][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.630212][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.630212][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.630212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.630212][ T73] [ 1047.631741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1047.631741][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1047.631741][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1047.631741][ T73] ipv6_find_idev+0x102/0x170 [ 1047.631741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.631741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.631741][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.631741][ T73] netlink_unicast+0x449/0x710 [ 1047.631741][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.631741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.631741][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.631741][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.631741][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.631741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.631741][ T73] [ 1047.633547][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1047.633818][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.633818][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1047.633818][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1047.633818][ T73] fib6_nh_init+0xa22/0x1580 [ 1047.633818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.633818][ T73] ip6_route_add+0x1c/0x140 [ 1047.633818][ T73] inet6_rtm_newroute+0x104/0x110 [ 1047.633818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.633818][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.633818][ T73] netlink_unicast+0x449/0x710 [ 1047.633818][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.633818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.633818][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.633818][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.633818][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.633818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.633818][ T73] [ 1047.635959][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.635959][ T73] dst_init+0x84/0x4a0 [ 1047.635959][ T73] dst_alloc+0x97/0x150 [ 1047.635959][ T73] ip6_dst_alloc+0x23/0x90 [ 1047.635959][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1047.635959][ T73] ip6_pol_route+0x56f/0x840 [ 1047.635959][ T73] fib6_rule_lookup+0x456/0x630 [ 1047.635959][ T73] ip6_route_input+0x59c/0xa50 [ 1047.635959][ T73] ipv6_rcv+0x397/0x810 [ 1047.635959][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1047.635959][ T73] process_backlog+0x101/0x620 [ 1047.635959][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1047.635959][ T73] net_rx_action+0x495/0xbe0 [ 1047.635959][ T73] __do_softirq+0x1b5/0x7f6 [ 1047.635959][ T73] [ 1047.637769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.637769][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.637769][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.637769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.637769][ T73] ip6_route_add+0x1c/0x140 [ 1047.637769][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1047.637769][ T73] inet6_addr_add+0x4f8/0xa40 [ 1047.637769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.637769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.637769][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.637769][ T73] netlink_unicast+0x449/0x710 [ 1047.637769][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.637769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.637769][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.637769][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.637769][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.637769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.637769][ T73] [ 1047.640066][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.640066][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.640066][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.640066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.640066][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1047.640066][ T73] ipv6_add_addr+0x411/0x2000 [ 1047.640066][ T73] inet6_addr_add+0x30e/0xa40 [ 1047.640066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.640066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.640066][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.640066][ T73] netlink_unicast+0x449/0x710 [ 1047.640066][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.640066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.640066][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.640066][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.640066][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.640066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.640066][ T73] [ 1047.642298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.642298][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.642298][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.642298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.642298][ T73] ip6_route_add+0x1c/0x140 [ 1047.642298][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1047.642298][ T73] addrconf_add_dev+0xe2/0x170 [ 1047.642298][ T73] inet6_addr_add+0x12f/0xa40 [ 1047.642298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.642298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.642298][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.642298][ T73] netlink_unicast+0x449/0x710 [ 1047.642298][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.642298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.642298][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.642298][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.642298][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.642298][ T73] [ 1047.644446][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.644446][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1047.644446][ T73] ipv6_find_idev+0x102/0x170 [ 1047.644446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.644446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.644446][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.644446][ T73] netlink_unicast+0x449/0x710 [ 1047.644446][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.644446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.644446][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.644446][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.644446][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.644446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.644446][ T73] [ 1047.646175][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1047.646175][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1047.646175][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1047.646175][ T73] ipv6_find_idev+0x102/0x170 [ 1047.646175][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.646175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.646175][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.646175][ T73] netlink_unicast+0x449/0x710 [ 1047.646175][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.646175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.646175][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.646175][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.646175][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.646175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.646175][ T73] [ 1047.648089][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1047.648361][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1047.648361][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.648361][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.648361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.648361][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1047.648361][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1047.648361][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1047.648361][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1047.648361][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1047.648361][ T73] addrconf_dad_begin+0x310/0x670 [ 1047.648361][ T73] addrconf_dad_work+0x10b/0xab0 [ 1047.648361][ T73] process_one_work+0x84d/0x18a0 [ 1047.648361][ T73] worker_thread+0x587/0xd30 [ 1047.648361][ T73] kthread+0x28a/0x350 [ 1047.648361][ T73] ret_from_fork+0x31/0x70 [ 1047.648361][ T73] ret_from_fork_asm+0x1a/0x30 [ 1047.648361][ T73] [ 1047.650562][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1047.650562][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.650562][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.650562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.650562][ T73] ip6_route_add+0x1c/0x140 [ 1047.650562][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1047.650562][ T73] inet6_addr_add+0x4f8/0xa40 [ 1047.650562][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.650562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.650562][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.650562][ T73] netlink_unicast+0x449/0x710 [ 1047.650562][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.650562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.650562][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.650562][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.650562][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.650562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.650562][ T73] [ 1047.652727][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1047.652727][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.652727][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.652727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.652727][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1047.652727][ T73] ipv6_add_addr+0x411/0x2000 [ 1047.652727][ T73] inet6_addr_add+0x30e/0xa40 [ 1047.652727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.652727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.652727][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.652727][ T73] netlink_unicast+0x449/0x710 [ 1047.652727][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.652727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.652727][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.652727][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.652727][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.652727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.652727][ T73] [ 1047.654950][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1047.654950][ T73] netdev_get_by_index+0x5e/0x80 [ 1047.654950][ T73] fib6_nh_init+0x3d8/0x1580 [ 1047.654950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1047.654950][ T73] ip6_route_add+0x1c/0x140 [ 1047.654950][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1047.654950][ T73] addrconf_add_dev+0xe2/0x170 [ 1047.654950][ T73] inet6_addr_add+0x12f/0xa40 [ 1047.654950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.654950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.654950][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.654950][ T73] netlink_unicast+0x449/0x710 [ 1047.654950][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.654950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.654950][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.654950][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.654950][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.654950][ T73] [ 1047.657151][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1047.657151][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1047.657151][ T73] ipv6_find_idev+0x102/0x170 [ 1047.657151][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.657151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.657151][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.657151][ T73] netlink_unicast+0x449/0x710 [ 1047.657151][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.657151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.657151][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.657151][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.657151][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.657151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.657151][ T73] [ 1047.658922][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1047.658922][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1047.658922][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1047.658922][ T73] ipv6_find_idev+0x102/0x170 [ 1047.658922][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.658922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.658922][ T73] netlink_rcv_skb+0x130/0x360 [ 1047.658922][ T73] netlink_unicast+0x449/0x710 [ 1047.658922][ T73] netlink_sendmsg+0x723/0xbe0 [ 1047.658922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1047.658922][ T73] ___sys_sendmsg+0xee/0x170 [ 1047.658922][ T73] __sys_sendmsg+0xcd/0x170 [ 1047.658922][ T73] do_syscall_64+0xc6/0x1e0 [ 1047.658922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.658922][ T73] [ 1057.903012][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1057.903484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.903484][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1057.903484][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1057.903484][ T73] fib6_nh_init+0xa22/0x1580 [ 1057.903484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.903484][ T73] ip6_route_add+0x1c/0x140 [ 1057.903484][ T73] inet6_rtm_newroute+0x104/0x110 [ 1057.903484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.903484][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.903484][ T73] netlink_unicast+0x449/0x710 [ 1057.903484][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.903484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.903484][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.903484][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.903484][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.903484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.903484][ T73] [ 1057.905395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.905395][ T73] dst_init+0x84/0x4a0 [ 1057.905395][ T73] dst_alloc+0x97/0x150 [ 1057.905395][ T73] ip6_dst_alloc+0x23/0x90 [ 1057.905395][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1057.905395][ T73] ip6_pol_route+0x56f/0x840 [ 1057.905395][ T73] fib6_rule_lookup+0x456/0x630 [ 1057.905395][ T73] ip6_route_input+0x59c/0xa50 [ 1057.905395][ T73] ipv6_rcv+0x397/0x810 [ 1057.905395][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1057.905395][ T73] process_backlog+0x101/0x620 [ 1057.905395][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1057.905395][ T73] net_rx_action+0x495/0xbe0 [ 1057.905395][ T73] __do_softirq+0x1b5/0x7f6 [ 1057.905395][ T73] [ 1057.907035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.907035][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.907035][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.907035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.907035][ T73] ip6_route_add+0x1c/0x140 [ 1057.907035][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1057.907035][ T73] inet6_addr_add+0x4f8/0xa40 [ 1057.907035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.907035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.907035][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.907035][ T73] netlink_unicast+0x449/0x710 [ 1057.907035][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.907035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.907035][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.907035][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.907035][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.907035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.907035][ T73] [ 1057.909019][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.909019][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.909019][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.909019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.909019][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1057.909019][ T73] ipv6_add_addr+0x411/0x2000 [ 1057.909019][ T73] inet6_addr_add+0x30e/0xa40 [ 1057.909019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.909019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.909019][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.909019][ T73] netlink_unicast+0x449/0x710 [ 1057.909019][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.909019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.909019][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.909019][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.909019][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.909019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.909019][ T73] [ 1057.910999][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.910999][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.910999][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.910999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.910999][ T73] ip6_route_add+0x1c/0x140 [ 1057.910999][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1057.910999][ T73] addrconf_add_dev+0xe2/0x170 [ 1057.910999][ T73] inet6_addr_add+0x12f/0xa40 [ 1057.910999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.910999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.910999][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.910999][ T73] netlink_unicast+0x449/0x710 [ 1057.910999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.910999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.910999][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.910999][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.910999][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.910999][ T73] [ 1057.912957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.912957][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1057.912957][ T73] ipv6_find_idev+0x102/0x170 [ 1057.912957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.912957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.912957][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.912957][ T73] netlink_unicast+0x449/0x710 [ 1057.912957][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.912957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.912957][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.912957][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.912957][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.912957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.912957][ T73] [ 1057.914482][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1057.914482][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1057.914482][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1057.914482][ T73] ipv6_find_idev+0x102/0x170 [ 1057.914482][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.914482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.914482][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.914482][ T73] netlink_unicast+0x449/0x710 [ 1057.914482][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.914482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.914482][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.914482][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.914482][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.914482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.914482][ T73] [ 1057.916175][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1057.916452][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.916452][ T73] dst_init+0x84/0x4a0 [ 1057.916452][ T73] dst_alloc+0x97/0x150 [ 1057.916452][ T73] ip6_dst_alloc+0x23/0x90 [ 1057.916452][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1057.916452][ T73] ip6_pol_route+0x56f/0x840 [ 1057.916452][ T73] fib6_rule_lookup+0x456/0x630 [ 1057.916452][ T73] ip6_route_input+0x59c/0xa50 [ 1057.916452][ T73] ipv6_rcv+0x397/0x810 [ 1057.916452][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1057.916452][ T73] process_backlog+0x101/0x620 [ 1057.916452][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1057.916452][ T73] net_rx_action+0x495/0xbe0 [ 1057.916452][ T73] __do_softirq+0x1b5/0x7f6 [ 1057.916452][ T73] [ 1057.918083][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.918083][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.918083][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.918083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.918083][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1057.918083][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1057.918083][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1057.918083][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1057.918083][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1057.918083][ T73] addrconf_dad_begin+0x310/0x670 [ 1057.918083][ T73] addrconf_dad_work+0x10b/0xab0 [ 1057.918083][ T73] process_one_work+0x84d/0x18a0 [ 1057.918083][ T73] worker_thread+0x587/0xd30 [ 1057.918083][ T73] kthread+0x28a/0x350 [ 1057.918083][ T73] ret_from_fork+0x31/0x70 [ 1057.918083][ T73] ret_from_fork_asm+0x1a/0x30 [ 1057.918083][ T73] [ 1057.920001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.920001][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.920001][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.920001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.920001][ T73] ip6_route_add+0x1c/0x140 [ 1057.920001][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1057.920001][ T73] inet6_addr_add+0x4f8/0xa40 [ 1057.920001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.920001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.920001][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.920001][ T73] netlink_unicast+0x449/0x710 [ 1057.920001][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.920001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.920001][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.920001][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.920001][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.920001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.920001][ T73] [ 1057.921994][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.921994][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.921994][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.921994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.921994][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1057.921994][ T73] ipv6_add_addr+0x411/0x2000 [ 1057.921994][ T73] inet6_addr_add+0x30e/0xa40 [ 1057.921994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.921994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.921994][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.921994][ T73] netlink_unicast+0x449/0x710 [ 1057.921994][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.921994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.921994][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.921994][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.921994][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.921994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.921994][ T73] [ 1057.924498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.924498][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.924498][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.924498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.924498][ T73] ip6_route_add+0x1c/0x140 [ 1057.924498][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1057.924498][ T73] addrconf_add_dev+0xe2/0x170 [ 1057.924498][ T73] inet6_addr_add+0x12f/0xa40 [ 1057.924498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.924498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.924498][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.924498][ T73] netlink_unicast+0x449/0x710 [ 1057.924498][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.924498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.924498][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.924498][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.924498][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.924498][ T73] [ 1057.926458][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.926458][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1057.926458][ T73] ipv6_find_idev+0x102/0x170 [ 1057.926458][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.926458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.926458][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.926458][ T73] netlink_unicast+0x449/0x710 [ 1057.926458][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.926458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.926458][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.926458][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.926458][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.926458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.926458][ T73] [ 1057.927985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1057.927985][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1057.927985][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1057.927985][ T73] ipv6_find_idev+0x102/0x170 [ 1057.927985][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.927985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.927985][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.927985][ T73] netlink_unicast+0x449/0x710 [ 1057.927985][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.927985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.927985][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.927985][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.927985][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.927985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.927985][ T73] [ 1057.930188][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1057.930462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.930462][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1057.930462][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1057.930462][ T73] fib6_nh_init+0xa22/0x1580 [ 1057.930462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.930462][ T73] ip6_route_add+0x1c/0x140 [ 1057.930462][ T73] inet6_rtm_newroute+0x104/0x110 [ 1057.930462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.930462][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.930462][ T73] netlink_unicast+0x449/0x710 [ 1057.930462][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.930462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.930462][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.930462][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.930462][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.930462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.930462][ T73] [ 1057.932628][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.932628][ T73] dst_init+0x84/0x4a0 [ 1057.932628][ T73] dst_alloc+0x97/0x150 [ 1057.932628][ T73] ip6_dst_alloc+0x23/0x90 [ 1057.932628][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1057.932628][ T73] ip6_pol_route+0x56f/0x840 [ 1057.932628][ T73] fib6_rule_lookup+0x456/0x630 [ 1057.932628][ T73] ip6_route_input+0x59c/0xa50 [ 1057.932628][ T73] ipv6_rcv+0x397/0x810 [ 1057.932628][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1057.932628][ T73] process_backlog+0x101/0x620 [ 1057.932628][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1057.932628][ T73] net_rx_action+0x495/0xbe0 [ 1057.932628][ T73] __do_softirq+0x1b5/0x7f6 [ 1057.932628][ T73] [ 1057.934436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.934436][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.934436][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.934436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.934436][ T73] ip6_route_add+0x1c/0x140 [ 1057.934436][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1057.934436][ T73] inet6_addr_add+0x4f8/0xa40 [ 1057.934436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.934436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.934436][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.934436][ T73] netlink_unicast+0x449/0x710 [ 1057.934436][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.934436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.934436][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.934436][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.934436][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.934436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.934436][ T73] [ 1057.936676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.936676][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.936676][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.936676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.936676][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1057.936676][ T73] ipv6_add_addr+0x411/0x2000 [ 1057.936676][ T73] inet6_addr_add+0x30e/0xa40 [ 1057.936676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.936676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.936676][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.936676][ T73] netlink_unicast+0x449/0x710 [ 1057.936676][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.936676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.936676][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.936676][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.936676][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.936676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.936676][ T73] [ 1057.938909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.938909][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.938909][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.938909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.938909][ T73] ip6_route_add+0x1c/0x140 [ 1057.938909][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1057.938909][ T73] addrconf_add_dev+0xe2/0x170 [ 1057.938909][ T73] inet6_addr_add+0x12f/0xa40 [ 1057.938909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.938909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.938909][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.938909][ T73] netlink_unicast+0x449/0x710 [ 1057.938909][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.938909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.938909][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.938909][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.938909][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.938909][ T73] [ 1057.941098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.941098][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1057.941098][ T73] ipv6_find_idev+0x102/0x170 [ 1057.941098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.941098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.941098][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.941098][ T73] netlink_unicast+0x449/0x710 [ 1057.941098][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.941098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.941098][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.941098][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.941098][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.941098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.941098][ T73] [ 1057.942809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1057.942809][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1057.942809][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1057.942809][ T73] ipv6_find_idev+0x102/0x170 [ 1057.942809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.942809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.942809][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.942809][ T73] netlink_unicast+0x449/0x710 [ 1057.942809][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.942809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.942809][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.942809][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.942809][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.942809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.942809][ T73] [ 1057.944721][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1057.945435][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1057.945435][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.945435][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.945435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.945435][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1057.945435][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1057.945435][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1057.945435][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1057.945435][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1057.945435][ T73] addrconf_dad_begin+0x310/0x670 [ 1057.945435][ T73] addrconf_dad_work+0x10b/0xab0 [ 1057.945435][ T73] process_one_work+0x84d/0x18a0 [ 1057.945435][ T73] worker_thread+0x587/0xd30 [ 1057.945435][ T73] kthread+0x28a/0x350 [ 1057.945435][ T73] ret_from_fork+0x31/0x70 [ 1057.945435][ T73] ret_from_fork_asm+0x1a/0x30 [ 1057.945435][ T73] [ 1057.947335][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1057.947335][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.947335][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.947335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.947335][ T73] ip6_route_add+0x1c/0x140 [ 1057.947335][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1057.947335][ T73] inet6_addr_add+0x4f8/0xa40 [ 1057.947335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.947335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.947335][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.947335][ T73] netlink_unicast+0x449/0x710 [ 1057.947335][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.947335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.947335][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.947335][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.947335][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.947335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.947335][ T73] [ 1057.949436][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1057.949436][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.949436][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.949436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.949436][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1057.949436][ T73] ipv6_add_addr+0x411/0x2000 [ 1057.949436][ T73] inet6_addr_add+0x30e/0xa40 [ 1057.949436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.949436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.949436][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.949436][ T73] netlink_unicast+0x449/0x710 [ 1057.949436][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.949436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.949436][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.949436][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.949436][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.949436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.949436][ T73] [ 1057.951646][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1057.951646][ T73] netdev_get_by_index+0x5e/0x80 [ 1057.951646][ T73] fib6_nh_init+0x3d8/0x1580 [ 1057.951646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1057.951646][ T73] ip6_route_add+0x1c/0x140 [ 1057.951646][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1057.951646][ T73] addrconf_add_dev+0xe2/0x170 [ 1057.951646][ T73] inet6_addr_add+0x12f/0xa40 [ 1057.951646][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1057.951646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.951646][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.951646][ T73] netlink_unicast+0x449/0x710 [ 1057.951646][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.951646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.951646][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.951646][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.951646][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.951646][ T73] [ 1057.953901][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1057.953901][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1057.953901][ T73] ipv6_find_idev+0x102/0x170 [ 1057.953901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.953901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.953901][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.953901][ T73] netlink_unicast+0x449/0x710 [ 1057.953901][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.953901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.953901][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.953901][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.953901][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.953901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.953901][ T73] [ 1057.955626][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1057.955626][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1057.955626][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1057.955626][ T73] ipv6_find_idev+0x102/0x170 [ 1057.955626][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1057.955626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1057.955626][ T73] netlink_rcv_skb+0x130/0x360 [ 1057.955626][ T73] netlink_unicast+0x449/0x710 [ 1057.955626][ T73] netlink_sendmsg+0x723/0xbe0 [ 1057.955626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1057.955626][ T73] ___sys_sendmsg+0xee/0x170 [ 1057.955626][ T73] __sys_sendmsg+0xcd/0x170 [ 1057.955626][ T73] do_syscall_64+0xc6/0x1e0 [ 1057.955626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1057.955626][ T73] [ 1068.198956][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1068.199428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.199428][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1068.199428][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1068.199428][ T73] fib6_nh_init+0xa22/0x1580 [ 1068.199428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.199428][ T73] ip6_route_add+0x1c/0x140 [ 1068.199428][ T73] inet6_rtm_newroute+0x104/0x110 [ 1068.199428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.199428][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.199428][ T73] netlink_unicast+0x449/0x710 [ 1068.199428][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.199428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.199428][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.199428][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.199428][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.199428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.199428][ T73] [ 1068.201646][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.201646][ T73] dst_init+0x84/0x4a0 [ 1068.201646][ T73] dst_alloc+0x97/0x150 [ 1068.201646][ T73] ip6_dst_alloc+0x23/0x90 [ 1068.201646][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1068.201646][ T73] ip6_pol_route+0x56f/0x840 [ 1068.201646][ T73] fib6_rule_lookup+0x456/0x630 [ 1068.201646][ T73] ip6_route_input+0x59c/0xa50 [ 1068.201646][ T73] ipv6_rcv+0x397/0x810 [ 1068.201646][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1068.201646][ T73] process_backlog+0x101/0x620 [ 1068.201646][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1068.201646][ T73] net_rx_action+0x495/0xbe0 [ 1068.201646][ T73] __do_softirq+0x1b5/0x7f6 [ 1068.201646][ T73] [ 1068.203473][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.203473][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.203473][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.203473][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.203473][ T73] ip6_route_add+0x1c/0x140 [ 1068.203473][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1068.203473][ T73] inet6_addr_add+0x4f8/0xa40 [ 1068.203473][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.203473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.203473][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.203473][ T73] netlink_unicast+0x449/0x710 [ 1068.203473][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.203473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.203473][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.203473][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.203473][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.203473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.203473][ T73] [ 1068.205701][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.205701][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.205701][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.205701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.205701][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1068.205701][ T73] ipv6_add_addr+0x411/0x2000 [ 1068.205701][ T73] inet6_addr_add+0x30e/0xa40 [ 1068.205701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.205701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.205701][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.205701][ T73] netlink_unicast+0x449/0x710 [ 1068.205701][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.205701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.205701][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.205701][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.205701][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.205701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.205701][ T73] [ 1068.207930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.207930][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.207930][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.207930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.207930][ T73] ip6_route_add+0x1c/0x140 [ 1068.207930][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1068.207930][ T73] addrconf_add_dev+0xe2/0x170 [ 1068.207930][ T73] inet6_addr_add+0x12f/0xa40 [ 1068.207930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.207930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.207930][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.207930][ T73] netlink_unicast+0x449/0x710 [ 1068.207930][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.207930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.207930][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.207930][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.207930][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.207930][ T73] [ 1068.210135][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.210135][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1068.210135][ T73] ipv6_find_idev+0x102/0x170 [ 1068.210135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.210135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.210135][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.210135][ T73] netlink_unicast+0x449/0x710 [ 1068.210135][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.210135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.210135][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.210135][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.210135][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.210135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.210135][ T73] [ 1068.211869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1068.211869][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1068.211869][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1068.211869][ T73] ipv6_find_idev+0x102/0x170 [ 1068.211869][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.211869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.211869][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.211869][ T73] netlink_unicast+0x449/0x710 [ 1068.211869][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.211869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.211869][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.211869][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.211869][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.211869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.211869][ T73] [ 1068.213766][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1068.214094][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.214094][ T73] dst_init+0x84/0x4a0 [ 1068.214094][ T73] dst_alloc+0x97/0x150 [ 1068.214094][ T73] ip6_dst_alloc+0x23/0x90 [ 1068.214094][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1068.214094][ T73] ip6_pol_route+0x56f/0x840 [ 1068.214094][ T73] fib6_rule_lookup+0x456/0x630 [ 1068.214094][ T73] ip6_route_input+0x59c/0xa50 [ 1068.214094][ T73] ipv6_rcv+0x397/0x810 [ 1068.214094][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1068.214094][ T73] process_backlog+0x101/0x620 [ 1068.214094][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1068.214094][ T73] net_rx_action+0x495/0xbe0 [ 1068.214094][ T73] __do_softirq+0x1b5/0x7f6 [ 1068.214094][ T73] [ 1068.215966][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.215966][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.215966][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.215966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.215966][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1068.215966][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1068.215966][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1068.215966][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1068.215966][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1068.215966][ T73] addrconf_dad_begin+0x310/0x670 [ 1068.215966][ T73] addrconf_dad_work+0x10b/0xab0 [ 1068.215966][ T73] process_one_work+0x84d/0x18a0 [ 1068.215966][ T73] worker_thread+0x587/0xd30 [ 1068.215966][ T73] kthread+0x28a/0x350 [ 1068.215966][ T73] ret_from_fork+0x31/0x70 [ 1068.215966][ T73] ret_from_fork_asm+0x1a/0x30 [ 1068.215966][ T73] [ 1068.218103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.218103][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.218103][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.218103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.218103][ T73] ip6_route_add+0x1c/0x140 [ 1068.218103][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1068.218103][ T73] inet6_addr_add+0x4f8/0xa40 [ 1068.218103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.218103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.218103][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.218103][ T73] netlink_unicast+0x449/0x710 [ 1068.218103][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.218103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.218103][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.218103][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.218103][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.218103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.218103][ T73] [ 1068.220721][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.220721][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.220721][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.220721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.220721][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1068.220721][ T73] ipv6_add_addr+0x411/0x2000 [ 1068.220721][ T73] inet6_addr_add+0x30e/0xa40 [ 1068.220721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.220721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.220721][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.220721][ T73] netlink_unicast+0x449/0x710 [ 1068.220721][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.220721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.220721][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.220721][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.220721][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.220721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.220721][ T73] [ 1068.223317][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.223317][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.223317][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.223317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.223317][ T73] ip6_route_add+0x1c/0x140 [ 1068.223317][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1068.223317][ T73] addrconf_add_dev+0xe2/0x170 [ 1068.223317][ T73] inet6_addr_add+0x12f/0xa40 [ 1068.223317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.223317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.223317][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.223317][ T73] netlink_unicast+0x449/0x710 [ 1068.223317][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.223317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.223317][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.223317][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.223317][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.223317][ T73] [ 1068.225557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.225557][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1068.225557][ T73] ipv6_find_idev+0x102/0x170 [ 1068.225557][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.225557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.225557][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.225557][ T73] netlink_unicast+0x449/0x710 [ 1068.225557][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.225557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.225557][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.225557][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.225557][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.225557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.225557][ T73] [ 1068.227278][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1068.227278][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1068.227278][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1068.227278][ T73] ipv6_find_idev+0x102/0x170 [ 1068.227278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.227278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.227278][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.227278][ T73] netlink_unicast+0x449/0x710 [ 1068.227278][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.227278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.227278][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.227278][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.227278][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.227278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.227278][ T73] [ 1068.229327][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1068.229625][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.229625][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1068.229625][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1068.229625][ T73] fib6_nh_init+0xa22/0x1580 [ 1068.229625][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.229625][ T73] ip6_route_add+0x1c/0x140 [ 1068.229625][ T73] inet6_rtm_newroute+0x104/0x110 [ 1068.229625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.229625][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.229625][ T73] netlink_unicast+0x449/0x710 [ 1068.229625][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.229625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.229625][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.229625][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.229625][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.229625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.229625][ T73] [ 1068.232069][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.232069][ T73] dst_init+0x84/0x4a0 [ 1068.232069][ T73] dst_alloc+0x97/0x150 [ 1068.232069][ T73] ip6_dst_alloc+0x23/0x90 [ 1068.232069][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1068.232069][ T73] ip6_pol_route+0x56f/0x840 [ 1068.232069][ T73] fib6_rule_lookup+0x456/0x630 [ 1068.232069][ T73] ip6_route_input+0x59c/0xa50 [ 1068.232069][ T73] ipv6_rcv+0x397/0x810 [ 1068.232069][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1068.232069][ T73] process_backlog+0x101/0x620 [ 1068.232069][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1068.232069][ T73] net_rx_action+0x495/0xbe0 [ 1068.232069][ T73] __do_softirq+0x1b5/0x7f6 [ 1068.232069][ T73] [ 1068.234075][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.234075][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.234075][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.234075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.234075][ T73] ip6_route_add+0x1c/0x140 [ 1068.234075][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1068.234075][ T73] inet6_addr_add+0x4f8/0xa40 [ 1068.234075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.234075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.234075][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.234075][ T73] netlink_unicast+0x449/0x710 [ 1068.234075][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.234075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.234075][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.234075][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.234075][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.234075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.234075][ T73] [ 1068.236579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.236579][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.236579][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.236579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.236579][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1068.236579][ T73] ipv6_add_addr+0x411/0x2000 [ 1068.236579][ T73] inet6_addr_add+0x30e/0xa40 [ 1068.236579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.236579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.236579][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.236579][ T73] netlink_unicast+0x449/0x710 [ 1068.236579][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.236579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.236579][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.236579][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.236579][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.236579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.236579][ T73] [ 1068.239050][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.239050][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.239050][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.239050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.239050][ T73] ip6_route_add+0x1c/0x140 [ 1068.239050][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1068.239050][ T73] addrconf_add_dev+0xe2/0x170 [ 1068.239050][ T73] inet6_addr_add+0x12f/0xa40 [ 1068.239050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.239050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.239050][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.239050][ T73] netlink_unicast+0x449/0x710 [ 1068.239050][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.239050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.239050][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.239050][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.239050][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.239050][ T73] [ 1068.242079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.242079][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1068.242079][ T73] ipv6_find_idev+0x102/0x170 [ 1068.242079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.242079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.242079][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.242079][ T73] netlink_unicast+0x449/0x710 [ 1068.242079][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.242079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.242079][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.242079][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.242079][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.242079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.242079][ T73] [ 1068.244295][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1068.244295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1068.244295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1068.244295][ T73] ipv6_find_idev+0x102/0x170 [ 1068.244295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.244295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.244295][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.244295][ T73] netlink_unicast+0x449/0x710 [ 1068.244295][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.244295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.244295][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.244295][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.244295][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.244295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.244295][ T73] [ 1068.246438][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1068.246747][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1068.246747][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.246747][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.246747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.246747][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1068.246747][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1068.246747][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1068.246747][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1068.246747][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1068.246747][ T73] addrconf_dad_begin+0x310/0x670 [ 1068.246747][ T73] addrconf_dad_work+0x10b/0xab0 [ 1068.246747][ T73] process_one_work+0x84d/0x18a0 [ 1068.246747][ T73] worker_thread+0x587/0xd30 [ 1068.246747][ T73] kthread+0x28a/0x350 [ 1068.246747][ T73] ret_from_fork+0x31/0x70 [ 1068.246747][ T73] ret_from_fork_asm+0x1a/0x30 [ 1068.246747][ T73] [ 1068.249139][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1068.249139][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.249139][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.249139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.249139][ T73] ip6_route_add+0x1c/0x140 [ 1068.249139][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1068.249139][ T73] inet6_addr_add+0x4f8/0xa40 [ 1068.249139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.249139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.249139][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.249139][ T73] netlink_unicast+0x449/0x710 [ 1068.249139][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.249139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.249139][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.249139][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.249139][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.249139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.249139][ T73] [ 1068.251609][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1068.251609][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.251609][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.251609][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.251609][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1068.251609][ T73] ipv6_add_addr+0x411/0x2000 [ 1068.251609][ T73] inet6_addr_add+0x30e/0xa40 [ 1068.251609][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.251609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.251609][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.251609][ T73] netlink_unicast+0x449/0x710 [ 1068.251609][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.251609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.251609][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.251609][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.251609][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.251609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.251609][ T73] [ 1068.254083][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1068.254083][ T73] netdev_get_by_index+0x5e/0x80 [ 1068.254083][ T73] fib6_nh_init+0x3d8/0x1580 [ 1068.254083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1068.254083][ T73] ip6_route_add+0x1c/0x140 [ 1068.254083][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1068.254083][ T73] addrconf_add_dev+0xe2/0x170 [ 1068.254083][ T73] inet6_addr_add+0x12f/0xa40 [ 1068.254083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.254083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.254083][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.254083][ T73] netlink_unicast+0x449/0x710 [ 1068.254083][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.254083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.254083][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.254083][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.254083][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.254083][ T73] [ 1068.256542][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1068.256542][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1068.256542][ T73] ipv6_find_idev+0x102/0x170 [ 1068.256542][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.256542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.256542][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.256542][ T73] netlink_unicast+0x449/0x710 [ 1068.256542][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.256542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.256542][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.256542][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.256542][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.256542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.256542][ T73] [ 1068.258440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1068.258440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1068.258440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1068.258440][ T73] ipv6_find_idev+0x102/0x170 [ 1068.258440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.258440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.258440][ T73] netlink_rcv_skb+0x130/0x360 [ 1068.258440][ T73] netlink_unicast+0x449/0x710 [ 1068.258440][ T73] netlink_sendmsg+0x723/0xbe0 [ 1068.258440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1068.258440][ T73] ___sys_sendmsg+0xee/0x170 [ 1068.258440][ T73] __sys_sendmsg+0xcd/0x170 [ 1068.258440][ T73] do_syscall_64+0xc6/0x1e0 [ 1068.258440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.258440][ T73] [ 1078.502855][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1078.503359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.503359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1078.503359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1078.503359][ T73] fib6_nh_init+0xa22/0x1580 [ 1078.503359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.503359][ T73] ip6_route_add+0x1c/0x140 [ 1078.503359][ T73] inet6_rtm_newroute+0x104/0x110 [ 1078.503359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.503359][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.503359][ T73] netlink_unicast+0x449/0x710 [ 1078.503359][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.503359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.503359][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.503359][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.503359][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.503359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.503359][ T73] [ 1078.505292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.505292][ T73] dst_init+0x84/0x4a0 [ 1078.505292][ T73] dst_alloc+0x97/0x150 [ 1078.505292][ T73] ip6_dst_alloc+0x23/0x90 [ 1078.505292][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1078.505292][ T73] ip6_pol_route+0x56f/0x840 [ 1078.505292][ T73] fib6_rule_lookup+0x456/0x630 [ 1078.505292][ T73] ip6_route_input+0x59c/0xa50 [ 1078.505292][ T73] ipv6_rcv+0x397/0x810 [ 1078.505292][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1078.505292][ T73] process_backlog+0x101/0x620 [ 1078.505292][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1078.505292][ T73] net_rx_action+0x495/0xbe0 [ 1078.505292][ T73] __do_softirq+0x1b5/0x7f6 [ 1078.505292][ T73] [ 1078.506963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.506963][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.506963][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.506963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.506963][ T73] ip6_route_add+0x1c/0x140 [ 1078.506963][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1078.506963][ T73] inet6_addr_add+0x4f8/0xa40 [ 1078.506963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.506963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.506963][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.506963][ T73] netlink_unicast+0x449/0x710 [ 1078.506963][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.506963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.506963][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.506963][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.506963][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.506963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.506963][ T73] [ 1078.508998][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.508998][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.508998][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.508998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.508998][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1078.508998][ T73] ipv6_add_addr+0x411/0x2000 [ 1078.508998][ T73] inet6_addr_add+0x30e/0xa40 [ 1078.508998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.508998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.508998][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.508998][ T73] netlink_unicast+0x449/0x710 [ 1078.508998][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.508998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.508998][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.508998][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.508998][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.508998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.508998][ T73] [ 1078.511011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.511011][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.511011][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.511011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.511011][ T73] ip6_route_add+0x1c/0x140 [ 1078.511011][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1078.511011][ T73] addrconf_add_dev+0xe2/0x170 [ 1078.511011][ T73] inet6_addr_add+0x12f/0xa40 [ 1078.511011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.511011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.511011][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.511011][ T73] netlink_unicast+0x449/0x710 [ 1078.511011][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.511011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.511011][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.511011][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.511011][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.511011][ T73] [ 1078.512999][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.512999][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1078.512999][ T73] ipv6_find_idev+0x102/0x170 [ 1078.512999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.512999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.512999][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.512999][ T73] netlink_unicast+0x449/0x710 [ 1078.512999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.512999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.512999][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.512999][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.512999][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.512999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.512999][ T73] [ 1078.514550][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1078.514550][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1078.514550][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1078.514550][ T73] ipv6_find_idev+0x102/0x170 [ 1078.514550][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.514550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.514550][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.514550][ T73] netlink_unicast+0x449/0x710 [ 1078.514550][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.514550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.514550][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.514550][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.514550][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.514550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.514550][ T73] [ 1078.516302][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1078.516582][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.516582][ T73] dst_init+0x84/0x4a0 [ 1078.516582][ T73] dst_alloc+0x97/0x150 [ 1078.516582][ T73] ip6_dst_alloc+0x23/0x90 [ 1078.516582][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1078.516582][ T73] ip6_pol_route+0x56f/0x840 [ 1078.516582][ T73] fib6_rule_lookup+0x456/0x630 [ 1078.516582][ T73] ip6_route_input+0x59c/0xa50 [ 1078.516582][ T73] ipv6_rcv+0x397/0x810 [ 1078.516582][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1078.516582][ T73] process_backlog+0x101/0x620 [ 1078.516582][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1078.516582][ T73] net_rx_action+0x495/0xbe0 [ 1078.516582][ T73] __do_softirq+0x1b5/0x7f6 [ 1078.516582][ T73] [ 1078.518250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.518250][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.518250][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.518250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.518250][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1078.518250][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1078.518250][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1078.518250][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1078.518250][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1078.518250][ T73] addrconf_dad_begin+0x310/0x670 [ 1078.518250][ T73] addrconf_dad_work+0x10b/0xab0 [ 1078.518250][ T73] process_one_work+0x84d/0x18a0 [ 1078.518250][ T73] worker_thread+0x587/0xd30 [ 1078.518250][ T73] kthread+0x28a/0x350 [ 1078.518250][ T73] ret_from_fork+0x31/0x70 [ 1078.518250][ T73] ret_from_fork_asm+0x1a/0x30 [ 1078.518250][ T73] [ 1078.520181][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.520181][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.520181][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.520181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.520181][ T73] ip6_route_add+0x1c/0x140 [ 1078.520181][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1078.520181][ T73] inet6_addr_add+0x4f8/0xa40 [ 1078.520181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.520181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.520181][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.520181][ T73] netlink_unicast+0x449/0x710 [ 1078.520181][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.520181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.520181][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.520181][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.520181][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.520181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.520181][ T73] [ 1078.522207][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.522207][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.522207][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.522207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.522207][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1078.522207][ T73] ipv6_add_addr+0x411/0x2000 [ 1078.522207][ T73] inet6_addr_add+0x30e/0xa40 [ 1078.522207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.522207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.522207][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.522207][ T73] netlink_unicast+0x449/0x710 [ 1078.522207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.522207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.522207][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.522207][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.522207][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.522207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.522207][ T73] [ 1078.524231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.524231][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.524231][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.524231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.524231][ T73] ip6_route_add+0x1c/0x140 [ 1078.524231][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1078.524231][ T73] addrconf_add_dev+0xe2/0x170 [ 1078.524231][ T73] inet6_addr_add+0x12f/0xa40 [ 1078.524231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.524231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.524231][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.524231][ T73] netlink_unicast+0x449/0x710 [ 1078.524231][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.524231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.524231][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.524231][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.524231][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.524231][ T73] [ 1078.526221][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.526221][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1078.526221][ T73] ipv6_find_idev+0x102/0x170 [ 1078.526221][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.526221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.526221][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.526221][ T73] netlink_unicast+0x449/0x710 [ 1078.526221][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.526221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.526221][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.526221][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.526221][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.526221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.526221][ T73] [ 1078.527774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1078.527774][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1078.527774][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1078.527774][ T73] ipv6_find_idev+0x102/0x170 [ 1078.527774][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.527774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.527774][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.527774][ T73] netlink_unicast+0x449/0x710 [ 1078.527774][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.527774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.527774][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.527774][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.527774][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.527774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.527774][ T73] [ 1078.529626][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1078.529954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.529954][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1078.529954][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1078.529954][ T73] fib6_nh_init+0xa22/0x1580 [ 1078.529954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.529954][ T73] ip6_route_add+0x1c/0x140 [ 1078.529954][ T73] inet6_rtm_newroute+0x104/0x110 [ 1078.529954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.529954][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.529954][ T73] netlink_unicast+0x449/0x710 [ 1078.529954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.529954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.529954][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.529954][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.529954][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.529954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.529954][ T73] [ 1078.532108][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.532108][ T73] dst_init+0x84/0x4a0 [ 1078.532108][ T73] dst_alloc+0x97/0x150 [ 1078.532108][ T73] ip6_dst_alloc+0x23/0x90 [ 1078.532108][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1078.532108][ T73] ip6_pol_route+0x56f/0x840 [ 1078.532108][ T73] fib6_rule_lookup+0x456/0x630 [ 1078.532108][ T73] ip6_route_input+0x59c/0xa50 [ 1078.532108][ T73] ipv6_rcv+0x397/0x810 [ 1078.532108][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1078.532108][ T73] process_backlog+0x101/0x620 [ 1078.532108][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1078.532108][ T73] net_rx_action+0x495/0xbe0 [ 1078.532108][ T73] __do_softirq+0x1b5/0x7f6 [ 1078.532108][ T73] [ 1078.533972][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.533972][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.533972][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.533972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.533972][ T73] ip6_route_add+0x1c/0x140 [ 1078.533972][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1078.533972][ T73] inet6_addr_add+0x4f8/0xa40 [ 1078.533972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.533972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.533972][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.533972][ T73] netlink_unicast+0x449/0x710 [ 1078.533972][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.533972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.533972][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.533972][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.533972][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.533972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.533972][ T73] [ 1078.536315][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.536315][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.536315][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.536315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.536315][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1078.536315][ T73] ipv6_add_addr+0x411/0x2000 [ 1078.536315][ T73] inet6_addr_add+0x30e/0xa40 [ 1078.536315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.536315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.536315][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.536315][ T73] netlink_unicast+0x449/0x710 [ 1078.536315][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.536315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.536315][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.536315][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.536315][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.536315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.536315][ T73] [ 1078.538595][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.538595][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.538595][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.538595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.538595][ T73] ip6_route_add+0x1c/0x140 [ 1078.538595][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1078.538595][ T73] addrconf_add_dev+0xe2/0x170 [ 1078.538595][ T73] inet6_addr_add+0x12f/0xa40 [ 1078.538595][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.538595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.538595][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.538595][ T73] netlink_unicast+0x449/0x710 [ 1078.538595][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.538595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.538595][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.538595][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.538595][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.538595][ T73] [ 1078.540849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.540849][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1078.540849][ T73] ipv6_find_idev+0x102/0x170 [ 1078.540849][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.540849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.540849][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.540849][ T73] netlink_unicast+0x449/0x710 [ 1078.540849][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.540849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.540849][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.540849][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.540849][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.540849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.540849][ T73] [ 1078.542532][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1078.542532][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1078.542532][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1078.542532][ T73] ipv6_find_idev+0x102/0x170 [ 1078.542532][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.542532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.542532][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.542532][ T73] netlink_unicast+0x449/0x710 [ 1078.542532][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.542532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.542532][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.542532][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.542532][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.542532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.542532][ T73] [ 1078.544567][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1078.545290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1078.545290][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.545290][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.545290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.545290][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1078.545290][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1078.545290][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1078.545290][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1078.545290][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1078.545290][ T73] addrconf_dad_begin+0x310/0x670 [ 1078.545290][ T73] addrconf_dad_work+0x10b/0xab0 [ 1078.545290][ T73] process_one_work+0x84d/0x18a0 [ 1078.545290][ T73] worker_thread+0x587/0xd30 [ 1078.545290][ T73] kthread+0x28a/0x350 [ 1078.545290][ T73] ret_from_fork+0x31/0x70 [ 1078.545290][ T73] ret_from_fork_asm+0x1a/0x30 [ 1078.545290][ T73] [ 1078.547240][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1078.547240][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.547240][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.547240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.547240][ T73] ip6_route_add+0x1c/0x140 [ 1078.547240][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1078.547240][ T73] inet6_addr_add+0x4f8/0xa40 [ 1078.547240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.547240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.547240][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.547240][ T73] netlink_unicast+0x449/0x710 [ 1078.547240][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.547240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.547240][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.547240][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.547240][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.547240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.547240][ T73] [ 1078.549510][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1078.549510][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.549510][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.549510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.549510][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1078.549510][ T73] ipv6_add_addr+0x411/0x2000 [ 1078.549510][ T73] inet6_addr_add+0x30e/0xa40 [ 1078.549510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.549510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.549510][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.549510][ T73] netlink_unicast+0x449/0x710 [ 1078.549510][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.549510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.549510][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.549510][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.549510][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.549510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.549510][ T73] [ 1078.551772][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1078.551772][ T73] netdev_get_by_index+0x5e/0x80 [ 1078.551772][ T73] fib6_nh_init+0x3d8/0x1580 [ 1078.551772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1078.551772][ T73] ip6_route_add+0x1c/0x140 [ 1078.551772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1078.551772][ T73] addrconf_add_dev+0xe2/0x170 [ 1078.551772][ T73] inet6_addr_add+0x12f/0xa40 [ 1078.551772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.551772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.551772][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.551772][ T73] netlink_unicast+0x449/0x710 [ 1078.551772][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.551772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.551772][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.551772][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.551772][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.551772][ T73] [ 1078.553946][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1078.553946][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1078.553946][ T73] ipv6_find_idev+0x102/0x170 [ 1078.553946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.553946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.553946][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.553946][ T73] netlink_unicast+0x449/0x710 [ 1078.553946][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.553946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.553946][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.553946][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.553946][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.553946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.553946][ T73] [ 1078.555691][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1078.555691][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1078.555691][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1078.555691][ T73] ipv6_find_idev+0x102/0x170 [ 1078.555691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.555691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.555691][ T73] netlink_rcv_skb+0x130/0x360 [ 1078.555691][ T73] netlink_unicast+0x449/0x710 [ 1078.555691][ T73] netlink_sendmsg+0x723/0xbe0 [ 1078.555691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1078.555691][ T73] ___sys_sendmsg+0xee/0x170 [ 1078.555691][ T73] __sys_sendmsg+0xcd/0x170 [ 1078.555691][ T73] do_syscall_64+0xc6/0x1e0 [ 1078.555691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.555691][ T73] [ 1088.806958][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1088.807574][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.807574][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1088.807574][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1088.807574][ T73] fib6_nh_init+0xa22/0x1580 [ 1088.807574][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.807574][ T73] ip6_route_add+0x1c/0x140 [ 1088.807574][ T73] inet6_rtm_newroute+0x104/0x110 [ 1088.807574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.807574][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.807574][ T73] netlink_unicast+0x449/0x710 [ 1088.807574][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.807574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.807574][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.807574][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.807574][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.807574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.807574][ T73] [ 1088.810727][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.810727][ T73] dst_init+0x84/0x4a0 [ 1088.810727][ T73] dst_alloc+0x97/0x150 [ 1088.810727][ T73] ip6_dst_alloc+0x23/0x90 [ 1088.810727][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1088.810727][ T73] ip6_pol_route+0x56f/0x840 [ 1088.810727][ T73] fib6_rule_lookup+0x456/0x630 [ 1088.810727][ T73] ip6_route_input+0x59c/0xa50 [ 1088.810727][ T73] ipv6_rcv+0x397/0x810 [ 1088.810727][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1088.810727][ T73] process_backlog+0x101/0x620 [ 1088.810727][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1088.810727][ T73] net_rx_action+0x495/0xbe0 [ 1088.810727][ T73] __do_softirq+0x1b5/0x7f6 [ 1088.810727][ T73] [ 1088.813506][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.813506][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.813506][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.813506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.813506][ T73] ip6_route_add+0x1c/0x140 [ 1088.813506][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1088.813506][ T73] inet6_addr_add+0x4f8/0xa40 [ 1088.813506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.813506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.813506][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.813506][ T73] netlink_unicast+0x449/0x710 [ 1088.813506][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.813506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.813506][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.813506][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.813506][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.813506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.813506][ T73] [ 1088.816807][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.816807][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.816807][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.816807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.816807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1088.816807][ T73] ipv6_add_addr+0x411/0x2000 [ 1088.816807][ T73] inet6_addr_add+0x30e/0xa40 [ 1088.816807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.816807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.816807][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.816807][ T73] netlink_unicast+0x449/0x710 [ 1088.816807][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.816807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.816807][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.816807][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.816807][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.816807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.816807][ T73] [ 1088.820120][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.820120][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.820120][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.820120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.820120][ T73] ip6_route_add+0x1c/0x140 [ 1088.820120][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1088.820120][ T73] addrconf_add_dev+0xe2/0x170 [ 1088.820120][ T73] inet6_addr_add+0x12f/0xa40 [ 1088.820120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.820120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.820120][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.820120][ T73] netlink_unicast+0x449/0x710 [ 1088.820120][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.820120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.820120][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.820120][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.820120][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.820120][ T73] [ 1088.823376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.823376][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1088.823376][ T73] ipv6_find_idev+0x102/0x170 [ 1088.823376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.823376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.823376][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.823376][ T73] netlink_unicast+0x449/0x710 [ 1088.823376][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.823376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.823376][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.823376][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.823376][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.823376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.823376][ T73] [ 1088.825818][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1088.825818][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1088.825818][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1088.825818][ T73] ipv6_find_idev+0x102/0x170 [ 1088.825818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.825818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.825818][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.825818][ T73] netlink_unicast+0x449/0x710 [ 1088.825818][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.825818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.825818][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.825818][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.825818][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.825818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.825818][ T73] [ 1088.828521][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1088.829011][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.829011][ T73] dst_init+0x84/0x4a0 [ 1088.829011][ T73] dst_alloc+0x97/0x150 [ 1088.829011][ T73] ip6_dst_alloc+0x23/0x90 [ 1088.829011][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1088.829011][ T73] ip6_pol_route+0x56f/0x840 [ 1088.829011][ T73] fib6_rule_lookup+0x456/0x630 [ 1088.829011][ T73] ip6_route_input+0x59c/0xa50 [ 1088.829011][ T73] ipv6_rcv+0x397/0x810 [ 1088.829011][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1088.829011][ T73] process_backlog+0x101/0x620 [ 1088.829011][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1088.829011][ T73] net_rx_action+0x495/0xbe0 [ 1088.829011][ T73] __do_softirq+0x1b5/0x7f6 [ 1088.829011][ T73] [ 1088.831535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.831535][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.831535][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.831535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.831535][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1088.831535][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1088.831535][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1088.831535][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1088.831535][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1088.831535][ T73] addrconf_dad_begin+0x310/0x670 [ 1088.831535][ T73] addrconf_dad_work+0x10b/0xab0 [ 1088.831535][ T73] process_one_work+0x84d/0x18a0 [ 1088.831535][ T73] worker_thread+0x587/0xd30 [ 1088.831535][ T73] kthread+0x28a/0x350 [ 1088.831535][ T73] ret_from_fork+0x31/0x70 [ 1088.831535][ T73] ret_from_fork_asm+0x1a/0x30 [ 1088.831535][ T73] [ 1088.834207][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.834207][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.834207][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.834207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.834207][ T73] ip6_route_add+0x1c/0x140 [ 1088.834207][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1088.834207][ T73] inet6_addr_add+0x4f8/0xa40 [ 1088.834207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.834207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.834207][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.834207][ T73] netlink_unicast+0x449/0x710 [ 1088.834207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.834207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.834207][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.834207][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.834207][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.834207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.834207][ T73] [ 1088.836514][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.836514][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.836514][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.836514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.836514][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1088.836514][ T73] ipv6_add_addr+0x411/0x2000 [ 1088.836514][ T73] inet6_addr_add+0x30e/0xa40 [ 1088.836514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.836514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.836514][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.836514][ T73] netlink_unicast+0x449/0x710 [ 1088.836514][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.836514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.836514][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.836514][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.836514][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.836514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.836514][ T73] [ 1088.838907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.838907][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.838907][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.838907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.838907][ T73] ip6_route_add+0x1c/0x140 [ 1088.838907][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1088.838907][ T73] addrconf_add_dev+0xe2/0x170 [ 1088.838907][ T73] inet6_addr_add+0x12f/0xa40 [ 1088.838907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.838907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.838907][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.838907][ T73] netlink_unicast+0x449/0x710 [ 1088.838907][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.838907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.838907][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.838907][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.838907][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.838907][ T73] [ 1088.841223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.841223][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1088.841223][ T73] ipv6_find_idev+0x102/0x170 [ 1088.841223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.841223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.841223][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.841223][ T73] netlink_unicast+0x449/0x710 [ 1088.841223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.841223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.841223][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.841223][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.841223][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.841223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.841223][ T73] [ 1088.842958][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1088.842958][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1088.842958][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1088.842958][ T73] ipv6_find_idev+0x102/0x170 [ 1088.842958][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.842958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.842958][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.842958][ T73] netlink_unicast+0x449/0x710 [ 1088.842958][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.842958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.842958][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.842958][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.842958][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.842958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.842958][ T73] [ 1088.844967][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1088.845265][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.845265][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1088.845265][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1088.845265][ T73] fib6_nh_init+0xa22/0x1580 [ 1088.845265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.845265][ T73] ip6_route_add+0x1c/0x140 [ 1088.845265][ T73] inet6_rtm_newroute+0x104/0x110 [ 1088.845265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.845265][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.845265][ T73] netlink_unicast+0x449/0x710 [ 1088.845265][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.845265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.845265][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.845265][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.845265][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.845265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.845265][ T73] [ 1088.847699][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.847699][ T73] dst_init+0x84/0x4a0 [ 1088.847699][ T73] dst_alloc+0x97/0x150 [ 1088.847699][ T73] ip6_dst_alloc+0x23/0x90 [ 1088.847699][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1088.847699][ T73] ip6_pol_route+0x56f/0x840 [ 1088.847699][ T73] fib6_rule_lookup+0x456/0x630 [ 1088.847699][ T73] ip6_route_input+0x59c/0xa50 [ 1088.847699][ T73] ipv6_rcv+0x397/0x810 [ 1088.847699][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1088.847699][ T73] process_backlog+0x101/0x620 [ 1088.847699][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1088.847699][ T73] net_rx_action+0x495/0xbe0 [ 1088.847699][ T73] __do_softirq+0x1b5/0x7f6 [ 1088.847699][ T73] [ 1088.849713][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.849713][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.849713][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.849713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.849713][ T73] ip6_route_add+0x1c/0x140 [ 1088.849713][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1088.849713][ T73] inet6_addr_add+0x4f8/0xa40 [ 1088.849713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.849713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.849713][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.849713][ T73] netlink_unicast+0x449/0x710 [ 1088.849713][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.849713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.849713][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.849713][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.849713][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.849713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.849713][ T73] [ 1088.852221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.852221][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.852221][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.852221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.852221][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1088.852221][ T73] ipv6_add_addr+0x411/0x2000 [ 1088.852221][ T73] inet6_addr_add+0x30e/0xa40 [ 1088.852221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.852221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.852221][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.852221][ T73] netlink_unicast+0x449/0x710 [ 1088.852221][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.852221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.852221][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.852221][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.852221][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.852221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.852221][ T73] [ 1088.854663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.854663][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.854663][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.854663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.854663][ T73] ip6_route_add+0x1c/0x140 [ 1088.854663][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1088.854663][ T73] addrconf_add_dev+0xe2/0x170 [ 1088.854663][ T73] inet6_addr_add+0x12f/0xa40 [ 1088.854663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.854663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.854663][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.854663][ T73] netlink_unicast+0x449/0x710 [ 1088.854663][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.854663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.854663][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.854663][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.854663][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.854663][ T73] [ 1088.857203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.857203][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1088.857203][ T73] ipv6_find_idev+0x102/0x170 [ 1088.857203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.857203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.857203][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.857203][ T73] netlink_unicast+0x449/0x710 [ 1088.857203][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.857203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.857203][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.857203][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.857203][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.857203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.857203][ T73] [ 1088.859030][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1088.859030][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1088.859030][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1088.859030][ T73] ipv6_find_idev+0x102/0x170 [ 1088.859030][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.859030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.859030][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.859030][ T73] netlink_unicast+0x449/0x710 [ 1088.859030][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.859030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.859030][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.859030][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.859030][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.859030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.859030][ T73] [ 1088.861174][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1088.861475][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1088.861475][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.861475][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.861475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.861475][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1088.861475][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1088.861475][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1088.861475][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1088.861475][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1088.861475][ T73] addrconf_dad_begin+0x310/0x670 [ 1088.861475][ T73] addrconf_dad_work+0x10b/0xab0 [ 1088.861475][ T73] process_one_work+0x84d/0x18a0 [ 1088.861475][ T73] worker_thread+0x587/0xd30 [ 1088.861475][ T73] kthread+0x28a/0x350 [ 1088.861475][ T73] ret_from_fork+0x31/0x70 [ 1088.861475][ T73] ret_from_fork_asm+0x1a/0x30 [ 1088.861475][ T73] [ 1088.863876][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1088.863876][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.863876][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.863876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.863876][ T73] ip6_route_add+0x1c/0x140 [ 1088.863876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1088.863876][ T73] inet6_addr_add+0x4f8/0xa40 [ 1088.863876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.863876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.863876][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.863876][ T73] netlink_unicast+0x449/0x710 [ 1088.863876][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.863876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.863876][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.863876][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.863876][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.863876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.863876][ T73] [ 1088.866366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1088.866366][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.866366][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.866366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.866366][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1088.866366][ T73] ipv6_add_addr+0x411/0x2000 [ 1088.866366][ T73] inet6_addr_add+0x30e/0xa40 [ 1088.866366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.866366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.866366][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.866366][ T73] netlink_unicast+0x449/0x710 [ 1088.866366][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.866366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.866366][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.866366][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.866366][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.866366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.866366][ T73] [ 1088.868861][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1088.868861][ T73] netdev_get_by_index+0x5e/0x80 [ 1088.868861][ T73] fib6_nh_init+0x3d8/0x1580 [ 1088.868861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1088.868861][ T73] ip6_route_add+0x1c/0x140 [ 1088.868861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1088.868861][ T73] addrconf_add_dev+0xe2/0x170 [ 1088.868861][ T73] inet6_addr_add+0x12f/0xa40 [ 1088.868861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.868861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.868861][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.868861][ T73] netlink_unicast+0x449/0x710 [ 1088.868861][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.868861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.868861][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.868861][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.868861][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.868861][ T73] [ 1088.871302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1088.871302][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1088.871302][ T73] ipv6_find_idev+0x102/0x170 [ 1088.871302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.871302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.871302][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.871302][ T73] netlink_unicast+0x449/0x710 [ 1088.871302][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.871302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.871302][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.871302][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.871302][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.871302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.871302][ T73] [ 1088.873249][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1088.873249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1088.873249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1088.873249][ T73] ipv6_find_idev+0x102/0x170 [ 1088.873249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.873249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.873249][ T73] netlink_rcv_skb+0x130/0x360 [ 1088.873249][ T73] netlink_unicast+0x449/0x710 [ 1088.873249][ T73] netlink_sendmsg+0x723/0xbe0 [ 1088.873249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1088.873249][ T73] ___sys_sendmsg+0xee/0x170 [ 1088.873249][ T73] __sys_sendmsg+0xcd/0x170 [ 1088.873249][ T73] do_syscall_64+0xc6/0x1e0 [ 1088.873249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.873249][ T73] [ 1099.118960][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1099.119476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.119476][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1099.119476][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1099.119476][ T73] fib6_nh_init+0xa22/0x1580 [ 1099.119476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.119476][ T73] ip6_route_add+0x1c/0x140 [ 1099.119476][ T73] inet6_rtm_newroute+0x104/0x110 [ 1099.119476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.119476][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.119476][ T73] netlink_unicast+0x449/0x710 [ 1099.119476][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.119476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.119476][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.119476][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.119476][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.119476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.119476][ T73] [ 1099.122149][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.122149][ T73] dst_init+0x84/0x4a0 [ 1099.122149][ T73] dst_alloc+0x97/0x150 [ 1099.122149][ T73] ip6_dst_alloc+0x23/0x90 [ 1099.122149][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1099.122149][ T73] ip6_pol_route+0x56f/0x840 [ 1099.122149][ T73] fib6_rule_lookup+0x456/0x630 [ 1099.122149][ T73] ip6_route_input+0x59c/0xa50 [ 1099.122149][ T73] ipv6_rcv+0x397/0x810 [ 1099.122149][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1099.122149][ T73] process_backlog+0x101/0x620 [ 1099.122149][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1099.122149][ T73] net_rx_action+0x495/0xbe0 [ 1099.122149][ T73] __do_softirq+0x1b5/0x7f6 [ 1099.122149][ T73] [ 1099.123977][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.123977][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.123977][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.123977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.123977][ T73] ip6_route_add+0x1c/0x140 [ 1099.123977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1099.123977][ T73] inet6_addr_add+0x4f8/0xa40 [ 1099.123977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.123977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.123977][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.123977][ T73] netlink_unicast+0x449/0x710 [ 1099.123977][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.123977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.123977][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.123977][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.123977][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.123977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.123977][ T73] [ 1099.126207][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.126207][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.126207][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.126207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.126207][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1099.126207][ T73] ipv6_add_addr+0x411/0x2000 [ 1099.126207][ T73] inet6_addr_add+0x30e/0xa40 [ 1099.126207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.126207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.126207][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.126207][ T73] netlink_unicast+0x449/0x710 [ 1099.126207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.126207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.126207][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.126207][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.126207][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.126207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.126207][ T73] [ 1099.128792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.128792][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.128792][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.128792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.128792][ T73] ip6_route_add+0x1c/0x140 [ 1099.128792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1099.128792][ T73] addrconf_add_dev+0xe2/0x170 [ 1099.128792][ T73] inet6_addr_add+0x12f/0xa40 [ 1099.128792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.128792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.128792][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.128792][ T73] netlink_unicast+0x449/0x710 [ 1099.128792][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.128792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.128792][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.128792][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.128792][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.128792][ T73] [ 1099.130993][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.130993][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1099.130993][ T73] ipv6_find_idev+0x102/0x170 [ 1099.130993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.130993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.130993][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.130993][ T73] netlink_unicast+0x449/0x710 [ 1099.130993][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.130993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.130993][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.130993][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.130993][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.130993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.130993][ T73] [ 1099.132722][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1099.132722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1099.132722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1099.132722][ T73] ipv6_find_idev+0x102/0x170 [ 1099.132722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.132722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.132722][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.132722][ T73] netlink_unicast+0x449/0x710 [ 1099.132722][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.132722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.132722][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.132722][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.132722][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.132722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.132722][ T73] [ 1099.134609][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1099.134925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.134925][ T73] dst_init+0x84/0x4a0 [ 1099.134925][ T73] dst_alloc+0x97/0x150 [ 1099.134925][ T73] ip6_dst_alloc+0x23/0x90 [ 1099.134925][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1099.134925][ T73] ip6_pol_route+0x56f/0x840 [ 1099.134925][ T73] fib6_rule_lookup+0x456/0x630 [ 1099.134925][ T73] ip6_route_input+0x59c/0xa50 [ 1099.134925][ T73] ipv6_rcv+0x397/0x810 [ 1099.134925][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1099.134925][ T73] process_backlog+0x101/0x620 [ 1099.134925][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1099.134925][ T73] net_rx_action+0x495/0xbe0 [ 1099.134925][ T73] __do_softirq+0x1b5/0x7f6 [ 1099.134925][ T73] [ 1099.136760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.136760][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.136760][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.136760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.136760][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1099.136760][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1099.136760][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1099.136760][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1099.136760][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1099.136760][ T73] addrconf_dad_begin+0x310/0x670 [ 1099.136760][ T73] addrconf_dad_work+0x10b/0xab0 [ 1099.136760][ T73] process_one_work+0x84d/0x18a0 [ 1099.136760][ T73] worker_thread+0x587/0xd30 [ 1099.136760][ T73] kthread+0x28a/0x350 [ 1099.136760][ T73] ret_from_fork+0x31/0x70 [ 1099.136760][ T73] ret_from_fork_asm+0x1a/0x30 [ 1099.136760][ T73] [ 1099.138846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.138846][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.138846][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.138846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.138846][ T73] ip6_route_add+0x1c/0x140 [ 1099.138846][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1099.138846][ T73] inet6_addr_add+0x4f8/0xa40 [ 1099.138846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.138846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.138846][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.138846][ T73] netlink_unicast+0x449/0x710 [ 1099.138846][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.138846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.138846][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.138846][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.138846][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.138846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.138846][ T73] [ 1099.141081][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.141081][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.141081][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.141081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.141081][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1099.141081][ T73] ipv6_add_addr+0x411/0x2000 [ 1099.141081][ T73] inet6_addr_add+0x30e/0xa40 [ 1099.141081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.141081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.141081][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.141081][ T73] netlink_unicast+0x449/0x710 [ 1099.141081][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.141081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.141081][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.141081][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.141081][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.141081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.141081][ T73] [ 1099.143303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.143303][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.143303][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.143303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.143303][ T73] ip6_route_add+0x1c/0x140 [ 1099.143303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1099.143303][ T73] addrconf_add_dev+0xe2/0x170 [ 1099.143303][ T73] inet6_addr_add+0x12f/0xa40 [ 1099.143303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.143303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.143303][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.143303][ T73] netlink_unicast+0x449/0x710 [ 1099.143303][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.143303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.143303][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.143303][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.143303][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.143303][ T73] [ 1099.145537][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.145537][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1099.145537][ T73] ipv6_find_idev+0x102/0x170 [ 1099.145537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.145537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.145537][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.145537][ T73] netlink_unicast+0x449/0x710 [ 1099.145537][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.145537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.145537][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.145537][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.145537][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.145537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.145537][ T73] [ 1099.147265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1099.147265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1099.147265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1099.147265][ T73] ipv6_find_idev+0x102/0x170 [ 1099.147265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.147265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.147265][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.147265][ T73] netlink_unicast+0x449/0x710 [ 1099.147265][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.147265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.147265][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.147265][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.147265][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.147265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.147265][ T73] [ 1099.149276][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1099.149570][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.149570][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1099.149570][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1099.149570][ T73] fib6_nh_init+0xa22/0x1580 [ 1099.149570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.149570][ T73] ip6_route_add+0x1c/0x140 [ 1099.149570][ T73] inet6_rtm_newroute+0x104/0x110 [ 1099.149570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.149570][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.149570][ T73] netlink_unicast+0x449/0x710 [ 1099.149570][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.149570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.149570][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.149570][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.149570][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.149570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.149570][ T73] [ 1099.151934][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.151934][ T73] dst_init+0x84/0x4a0 [ 1099.151934][ T73] dst_alloc+0x97/0x150 [ 1099.151934][ T73] ip6_dst_alloc+0x23/0x90 [ 1099.151934][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1099.151934][ T73] ip6_pol_route+0x56f/0x840 [ 1099.151934][ T73] fib6_rule_lookup+0x456/0x630 [ 1099.151934][ T73] ip6_route_input+0x59c/0xa50 [ 1099.151934][ T73] ipv6_rcv+0x397/0x810 [ 1099.151934][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1099.151934][ T73] process_backlog+0x101/0x620 [ 1099.151934][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1099.151934][ T73] net_rx_action+0x495/0xbe0 [ 1099.151934][ T73] __do_softirq+0x1b5/0x7f6 [ 1099.151934][ T73] [ 1099.153944][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.153944][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.153944][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.153944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.153944][ T73] ip6_route_add+0x1c/0x140 [ 1099.153944][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1099.153944][ T73] inet6_addr_add+0x4f8/0xa40 [ 1099.153944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.153944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.153944][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.153944][ T73] netlink_unicast+0x449/0x710 [ 1099.153944][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.153944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.153944][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.153944][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.153944][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.153944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.153944][ T73] [ 1099.156506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.156506][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.156506][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.156506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.156506][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1099.156506][ T73] ipv6_add_addr+0x411/0x2000 [ 1099.156506][ T73] inet6_addr_add+0x30e/0xa40 [ 1099.156506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.156506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.156506][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.156506][ T73] netlink_unicast+0x449/0x710 [ 1099.156506][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.156506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.156506][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.156506][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.156506][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.156506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.156506][ T73] [ 1099.159000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.159000][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.159000][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.159000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.159000][ T73] ip6_route_add+0x1c/0x140 [ 1099.159000][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1099.159000][ T73] addrconf_add_dev+0xe2/0x170 [ 1099.159000][ T73] inet6_addr_add+0x12f/0xa40 [ 1099.159000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.159000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.159000][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.159000][ T73] netlink_unicast+0x449/0x710 [ 1099.159000][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.159000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.159000][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.159000][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.159000][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.159000][ T73] [ 1099.161436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.161436][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1099.161436][ T73] ipv6_find_idev+0x102/0x170 [ 1099.161436][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.161436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.161436][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.161436][ T73] netlink_unicast+0x449/0x710 [ 1099.161436][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.161436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.161436][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.161436][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.161436][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.161436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.161436][ T73] [ 1099.163287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1099.163287][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1099.163287][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1099.163287][ T73] ipv6_find_idev+0x102/0x170 [ 1099.163287][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.163287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.163287][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.163287][ T73] netlink_unicast+0x449/0x710 [ 1099.163287][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.163287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.163287][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.163287][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.163287][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.163287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.163287][ T73] [ 1099.165425][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1099.165716][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1099.165716][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.165716][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.165716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.165716][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1099.165716][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1099.165716][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1099.165716][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1099.165716][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1099.165716][ T73] addrconf_dad_begin+0x310/0x670 [ 1099.165716][ T73] addrconf_dad_work+0x10b/0xab0 [ 1099.165716][ T73] process_one_work+0x84d/0x18a0 [ 1099.165716][ T73] worker_thread+0x587/0xd30 [ 1099.165716][ T73] kthread+0x28a/0x350 [ 1099.165716][ T73] ret_from_fork+0x31/0x70 [ 1099.165716][ T73] ret_from_fork_asm+0x1a/0x30 [ 1099.165716][ T73] [ 1099.168150][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1099.168150][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.168150][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.168150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.168150][ T73] ip6_route_add+0x1c/0x140 [ 1099.168150][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1099.168150][ T73] inet6_addr_add+0x4f8/0xa40 [ 1099.168150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.168150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.168150][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.168150][ T73] netlink_unicast+0x449/0x710 [ 1099.168150][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.168150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.168150][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.168150][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.168150][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.168150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.168150][ T73] [ 1099.170628][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1099.170628][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.170628][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.170628][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.170628][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1099.170628][ T73] ipv6_add_addr+0x411/0x2000 [ 1099.170628][ T73] inet6_addr_add+0x30e/0xa40 [ 1099.170628][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.170628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.170628][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.170628][ T73] netlink_unicast+0x449/0x710 [ 1099.170628][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.170628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.170628][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.170628][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.170628][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.170628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.170628][ T73] [ 1099.173177][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1099.173177][ T73] netdev_get_by_index+0x5e/0x80 [ 1099.173177][ T73] fib6_nh_init+0x3d8/0x1580 [ 1099.173177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1099.173177][ T73] ip6_route_add+0x1c/0x140 [ 1099.173177][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1099.173177][ T73] addrconf_add_dev+0xe2/0x170 [ 1099.173177][ T73] inet6_addr_add+0x12f/0xa40 [ 1099.173177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1099.173177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.173177][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.173177][ T73] netlink_unicast+0x449/0x710 [ 1099.173177][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.173177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.173177][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.173177][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.173177][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.173177][ T73] [ 1099.175614][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1099.175614][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1099.175614][ T73] ipv6_find_idev+0x102/0x170 [ 1099.175614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.175614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.175614][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.175614][ T73] netlink_unicast+0x449/0x710 [ 1099.175614][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.175614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.175614][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.175614][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.175614][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.175614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.175614][ T73] [ 1099.177615][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1099.177615][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1099.177615][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1099.177615][ T73] ipv6_find_idev+0x102/0x170 [ 1099.177615][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1099.177615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1099.177615][ T73] netlink_rcv_skb+0x130/0x360 [ 1099.177615][ T73] netlink_unicast+0x449/0x710 [ 1099.177615][ T73] netlink_sendmsg+0x723/0xbe0 [ 1099.177615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1099.177615][ T73] ___sys_sendmsg+0xee/0x170 [ 1099.177615][ T73] __sys_sendmsg+0xcd/0x170 [ 1099.177615][ T73] do_syscall_64+0xc6/0x1e0 [ 1099.177615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1099.177615][ T73] [ 1107.238985][ T42] INFO: task modprobe:887 blocked for more than 860 seconds. [ 1107.239369][ T42] Not tainted 6.8.0-virtme #1 [ 1107.239504][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1107.239728][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 1107.240050][ T42] Call Trace: [ 1107.240157][ T42] [ 1107.240235][ T42] __schedule+0x705/0x1ac0 [ 1107.240386][ T42] ? __pfx___schedule+0x10/0x10 [ 1107.240527][ T42] ? schedule+0x1a5/0x210 [ 1107.240634][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.240798][ T42] ? mark_lock+0x38/0x3e0 [ 1107.240905][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1107.241051][ T42] ? schedule+0x1a5/0x210 [ 1107.241163][ T42] schedule+0xdf/0x210 [ 1107.241270][ T42] schedule_preempt_disabled+0x15/0x30 [ 1107.241407][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1107.241550][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1107.241727][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.241884][ T42] ? lock_acquire+0x1c1/0x220 [ 1107.242020][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1107.242166][ T42] down_write+0x1c9/0x200 [ 1107.242275][ T42] ? __pfx_down_write+0x10/0x10 [ 1107.242414][ T42] ? __lock_release+0x103/0x460 [ 1107.242551][ T42] ? __create_object+0x5e/0xb0 [ 1107.242692][ T42] ? __pfx___lock_release+0x10/0x10 [ 1107.242846][ T42] register_pernet_subsys+0x1a/0x50 [ 1107.242985][ T42] tcf_register_action+0xa3/0x600 [ 1107.243125][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1107.243305][ T42] do_one_initcall+0xc8/0x3f0 [ 1107.243449][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1107.243592][ T42] ? __create_object+0x5e/0xb0 [ 1107.243737][ T42] ? kasan_unpoison+0x27/0x60 [ 1107.243905][ T42] do_init_module+0x233/0x740 [ 1107.244054][ T42] load_module+0x16b5/0x2350 [ 1107.244206][ T42] ? __pfx_load_module+0x10/0x10 [ 1107.244342][ T42] ? kernel_read_file+0x3d2/0x520 [ 1107.244489][ T42] ? kernel_read_file+0x300/0x520 [ 1107.244643][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1107.244799][ T42] ? init_module_from_file+0xd2/0x130 [ 1107.244936][ T42] init_module_from_file+0xd2/0x130 [ 1107.245075][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1107.245252][ T42] ? __lock_release+0x103/0x460 [ 1107.245398][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.245550][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.245688][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1107.245840][ T42] idempotent_init_module+0x342/0x620 [ 1107.245982][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1107.246171][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1107.246309][ T42] do_syscall_64+0xc6/0x1e0 [ 1107.246453][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1107.246626][ T42] RIP: 0033:0x7f929d278e5d [ 1107.246767][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1107.246990][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 1107.247197][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 1107.247402][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 1107.247603][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 1107.247827][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 1107.248052][ T42] [ 1107.248156][ T42] [ 1107.248156][ T42] Showing all locks held in the system: [ 1107.248357][ T42] 2 locks held by kworker/u18:0/37: [ 1107.248491][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.248770][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.249095][ T42] 1 lock held by khungtaskd/42: [ 1107.249227][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1107.249477][ T42] 3 locks held by kworker/u16:1/73: [ 1107.249608][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.249894][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.250136][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1107.250376][ T42] 1 lock held by modprobe/887: [ 1107.250506][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1107.250790][ T42] [ 1107.250858][ T42] ============================================= [ 1107.250858][ T42] [ 1109.422957][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1109.423473][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.423473][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1109.423473][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1109.423473][ T73] fib6_nh_init+0xa22/0x1580 [ 1109.423473][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.423473][ T73] ip6_route_add+0x1c/0x140 [ 1109.423473][ T73] inet6_rtm_newroute+0x104/0x110 [ 1109.423473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.423473][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.423473][ T73] netlink_unicast+0x449/0x710 [ 1109.423473][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.423473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.423473][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.423473][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.423473][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.423473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.423473][ T73] [ 1109.425612][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.425612][ T73] dst_init+0x84/0x4a0 [ 1109.425612][ T73] dst_alloc+0x97/0x150 [ 1109.425612][ T73] ip6_dst_alloc+0x23/0x90 [ 1109.425612][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1109.425612][ T73] ip6_pol_route+0x56f/0x840 [ 1109.425612][ T73] fib6_rule_lookup+0x456/0x630 [ 1109.425612][ T73] ip6_route_input+0x59c/0xa50 [ 1109.425612][ T73] ipv6_rcv+0x397/0x810 [ 1109.425612][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1109.425612][ T73] process_backlog+0x101/0x620 [ 1109.425612][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1109.425612][ T73] net_rx_action+0x495/0xbe0 [ 1109.425612][ T73] __do_softirq+0x1b5/0x7f6 [ 1109.425612][ T73] [ 1109.427457][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.427457][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.427457][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.427457][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.427457][ T73] ip6_route_add+0x1c/0x140 [ 1109.427457][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1109.427457][ T73] inet6_addr_add+0x4f8/0xa40 [ 1109.427457][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.427457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.427457][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.427457][ T73] netlink_unicast+0x449/0x710 [ 1109.427457][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.427457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.427457][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.427457][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.427457][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.427457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.427457][ T73] [ 1109.429683][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.429683][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.429683][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.429683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.429683][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1109.429683][ T73] ipv6_add_addr+0x411/0x2000 [ 1109.429683][ T73] inet6_addr_add+0x30e/0xa40 [ 1109.429683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.429683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.429683][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.429683][ T73] netlink_unicast+0x449/0x710 [ 1109.429683][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.429683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.429683][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.429683][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.429683][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.429683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.429683][ T73] [ 1109.431921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.431921][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.431921][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.431921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.431921][ T73] ip6_route_add+0x1c/0x140 [ 1109.431921][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1109.431921][ T73] addrconf_add_dev+0xe2/0x170 [ 1109.431921][ T73] inet6_addr_add+0x12f/0xa40 [ 1109.431921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.431921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.431921][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.431921][ T73] netlink_unicast+0x449/0x710 [ 1109.431921][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.431921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.431921][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.431921][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.431921][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.431921][ T73] [ 1109.434127][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.434127][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1109.434127][ T73] ipv6_find_idev+0x102/0x170 [ 1109.434127][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.434127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.434127][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.434127][ T73] netlink_unicast+0x449/0x710 [ 1109.434127][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.434127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.434127][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.434127][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.434127][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.434127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.434127][ T73] [ 1109.435844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1109.435844][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1109.435844][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1109.435844][ T73] ipv6_find_idev+0x102/0x170 [ 1109.435844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.435844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.435844][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.435844][ T73] netlink_unicast+0x449/0x710 [ 1109.435844][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.435844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.435844][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.435844][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.435844][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.435844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.435844][ T73] [ 1109.437744][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1109.438059][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.438059][ T73] dst_init+0x84/0x4a0 [ 1109.438059][ T73] dst_alloc+0x97/0x150 [ 1109.438059][ T73] ip6_dst_alloc+0x23/0x90 [ 1109.438059][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1109.438059][ T73] ip6_pol_route+0x56f/0x840 [ 1109.438059][ T73] fib6_rule_lookup+0x456/0x630 [ 1109.438059][ T73] ip6_route_input+0x59c/0xa50 [ 1109.438059][ T73] ipv6_rcv+0x397/0x810 [ 1109.438059][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1109.438059][ T73] process_backlog+0x101/0x620 [ 1109.438059][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1109.438059][ T73] net_rx_action+0x495/0xbe0 [ 1109.438059][ T73] __do_softirq+0x1b5/0x7f6 [ 1109.438059][ T73] [ 1109.439902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.439902][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.439902][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.439902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.439902][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1109.439902][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1109.439902][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1109.439902][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1109.439902][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1109.439902][ T73] addrconf_dad_begin+0x310/0x670 [ 1109.439902][ T73] addrconf_dad_work+0x10b/0xab0 [ 1109.439902][ T73] process_one_work+0x84d/0x18a0 [ 1109.439902][ T73] worker_thread+0x587/0xd30 [ 1109.439902][ T73] kthread+0x28a/0x350 [ 1109.439902][ T73] ret_from_fork+0x31/0x70 [ 1109.439902][ T73] ret_from_fork_asm+0x1a/0x30 [ 1109.439902][ T73] [ 1109.442039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.442039][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.442039][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.442039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.442039][ T73] ip6_route_add+0x1c/0x140 [ 1109.442039][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1109.442039][ T73] inet6_addr_add+0x4f8/0xa40 [ 1109.442039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.442039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.442039][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.442039][ T73] netlink_unicast+0x449/0x710 [ 1109.442039][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.442039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.442039][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.442039][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.442039][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.442039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.442039][ T73] [ 1109.444283][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.444283][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.444283][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.444283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.444283][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1109.444283][ T73] ipv6_add_addr+0x411/0x2000 [ 1109.444283][ T73] inet6_addr_add+0x30e/0xa40 [ 1109.444283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.444283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.444283][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.444283][ T73] netlink_unicast+0x449/0x710 [ 1109.444283][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.444283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.444283][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.444283][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.444283][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.444283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.444283][ T73] [ 1109.446510][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.446510][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.446510][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.446510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.446510][ T73] ip6_route_add+0x1c/0x140 [ 1109.446510][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1109.446510][ T73] addrconf_add_dev+0xe2/0x170 [ 1109.446510][ T73] inet6_addr_add+0x12f/0xa40 [ 1109.446510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.446510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.446510][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.446510][ T73] netlink_unicast+0x449/0x710 [ 1109.446510][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.446510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.446510][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.446510][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.446510][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.446510][ T73] [ 1109.448685][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.448685][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1109.448685][ T73] ipv6_find_idev+0x102/0x170 [ 1109.448685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.448685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.448685][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.448685][ T73] netlink_unicast+0x449/0x710 [ 1109.448685][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.448685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.448685][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.448685][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.448685][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.448685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.448685][ T73] [ 1109.450393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1109.450393][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1109.450393][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1109.450393][ T73] ipv6_find_idev+0x102/0x170 [ 1109.450393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.450393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.450393][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.450393][ T73] netlink_unicast+0x449/0x710 [ 1109.450393][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.450393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.450393][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.450393][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.450393][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.450393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.450393][ T73] [ 1109.452388][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1109.452685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.452685][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1109.452685][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1109.452685][ T73] fib6_nh_init+0xa22/0x1580 [ 1109.452685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.452685][ T73] ip6_route_add+0x1c/0x140 [ 1109.452685][ T73] inet6_rtm_newroute+0x104/0x110 [ 1109.452685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.452685][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.452685][ T73] netlink_unicast+0x449/0x710 [ 1109.452685][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.452685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.452685][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.452685][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.452685][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.452685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.452685][ T73] [ 1109.455084][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.455084][ T73] dst_init+0x84/0x4a0 [ 1109.455084][ T73] dst_alloc+0x97/0x150 [ 1109.455084][ T73] ip6_dst_alloc+0x23/0x90 [ 1109.455084][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1109.455084][ T73] ip6_pol_route+0x56f/0x840 [ 1109.455084][ T73] fib6_rule_lookup+0x456/0x630 [ 1109.455084][ T73] ip6_route_input+0x59c/0xa50 [ 1109.455084][ T73] ipv6_rcv+0x397/0x810 [ 1109.455084][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1109.455084][ T73] process_backlog+0x101/0x620 [ 1109.455084][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1109.455084][ T73] net_rx_action+0x495/0xbe0 [ 1109.455084][ T73] __do_softirq+0x1b5/0x7f6 [ 1109.455084][ T73] [ 1109.457069][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.457069][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.457069][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.457069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.457069][ T73] ip6_route_add+0x1c/0x140 [ 1109.457069][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1109.457069][ T73] inet6_addr_add+0x4f8/0xa40 [ 1109.457069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.457069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.457069][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.457069][ T73] netlink_unicast+0x449/0x710 [ 1109.457069][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.457069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.457069][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.457069][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.457069][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.457069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.457069][ T73] [ 1109.459523][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.459523][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.459523][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.459523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.459523][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1109.459523][ T73] ipv6_add_addr+0x411/0x2000 [ 1109.459523][ T73] inet6_addr_add+0x30e/0xa40 [ 1109.459523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.459523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.459523][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.459523][ T73] netlink_unicast+0x449/0x710 [ 1109.459523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.459523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.459523][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.459523][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.459523][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.459523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.459523][ T73] [ 1109.462002][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.462002][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.462002][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.462002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.462002][ T73] ip6_route_add+0x1c/0x140 [ 1109.462002][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1109.462002][ T73] addrconf_add_dev+0xe2/0x170 [ 1109.462002][ T73] inet6_addr_add+0x12f/0xa40 [ 1109.462002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.462002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.462002][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.462002][ T73] netlink_unicast+0x449/0x710 [ 1109.462002][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.462002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.462002][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.462002][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.462002][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.462002][ T73] [ 1109.464555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.464555][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1109.464555][ T73] ipv6_find_idev+0x102/0x170 [ 1109.464555][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.464555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.464555][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.464555][ T73] netlink_unicast+0x449/0x710 [ 1109.464555][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.464555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.464555][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.464555][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.464555][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.464555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.464555][ T73] [ 1109.466408][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1109.466408][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1109.466408][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1109.466408][ T73] ipv6_find_idev+0x102/0x170 [ 1109.466408][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.466408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.466408][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.466408][ T73] netlink_unicast+0x449/0x710 [ 1109.466408][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.466408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.466408][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.466408][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.466408][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.466408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.466408][ T73] [ 1109.468524][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1109.468828][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1109.468828][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.468828][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.468828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.468828][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1109.468828][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1109.468828][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1109.468828][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1109.468828][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1109.468828][ T73] addrconf_dad_begin+0x310/0x670 [ 1109.468828][ T73] addrconf_dad_work+0x10b/0xab0 [ 1109.468828][ T73] process_one_work+0x84d/0x18a0 [ 1109.468828][ T73] worker_thread+0x587/0xd30 [ 1109.468828][ T73] kthread+0x28a/0x350 [ 1109.468828][ T73] ret_from_fork+0x31/0x70 [ 1109.468828][ T73] ret_from_fork_asm+0x1a/0x30 [ 1109.468828][ T73] [ 1109.471213][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1109.471213][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.471213][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.471213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.471213][ T73] ip6_route_add+0x1c/0x140 [ 1109.471213][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1109.471213][ T73] inet6_addr_add+0x4f8/0xa40 [ 1109.471213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.471213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.471213][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.471213][ T73] netlink_unicast+0x449/0x710 [ 1109.471213][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.471213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.471213][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.471213][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.471213][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.471213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.471213][ T73] [ 1109.473712][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1109.473712][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.473712][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.473712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.473712][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1109.473712][ T73] ipv6_add_addr+0x411/0x2000 [ 1109.473712][ T73] inet6_addr_add+0x30e/0xa40 [ 1109.473712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.473712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.473712][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.473712][ T73] netlink_unicast+0x449/0x710 [ 1109.473712][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.473712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.473712][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.473712][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.473712][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.473712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.473712][ T73] [ 1109.476186][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1109.476186][ T73] netdev_get_by_index+0x5e/0x80 [ 1109.476186][ T73] fib6_nh_init+0x3d8/0x1580 [ 1109.476186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1109.476186][ T73] ip6_route_add+0x1c/0x140 [ 1109.476186][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1109.476186][ T73] addrconf_add_dev+0xe2/0x170 [ 1109.476186][ T73] inet6_addr_add+0x12f/0xa40 [ 1109.476186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.476186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.476186][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.476186][ T73] netlink_unicast+0x449/0x710 [ 1109.476186][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.476186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.476186][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.476186][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.476186][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.476186][ T73] [ 1109.478609][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1109.478609][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1109.478609][ T73] ipv6_find_idev+0x102/0x170 [ 1109.478609][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.478609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.478609][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.478609][ T73] netlink_unicast+0x449/0x710 [ 1109.478609][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.478609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.478609][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.478609][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.478609][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.478609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.478609][ T73] [ 1109.480516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1109.480516][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1109.480516][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1109.480516][ T73] ipv6_find_idev+0x102/0x170 [ 1109.480516][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.480516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.480516][ T73] netlink_rcv_skb+0x130/0x360 [ 1109.480516][ T73] netlink_unicast+0x449/0x710 [ 1109.480516][ T73] netlink_sendmsg+0x723/0xbe0 [ 1109.480516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1109.480516][ T73] ___sys_sendmsg+0xee/0x170 [ 1109.480516][ T73] __sys_sendmsg+0xcd/0x170 [ 1109.480516][ T73] do_syscall_64+0xc6/0x1e0 [ 1109.480516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.480516][ T73] [ 1119.718961][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1119.719505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.719505][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1119.719505][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1119.719505][ T73] fib6_nh_init+0xa22/0x1580 [ 1119.719505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.719505][ T73] ip6_route_add+0x1c/0x140 [ 1119.719505][ T73] inet6_rtm_newroute+0x104/0x110 [ 1119.719505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.719505][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.719505][ T73] netlink_unicast+0x449/0x710 [ 1119.719505][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.719505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.719505][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.719505][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.719505][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.719505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.719505][ T73] [ 1119.721618][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.721618][ T73] dst_init+0x84/0x4a0 [ 1119.721618][ T73] dst_alloc+0x97/0x150 [ 1119.721618][ T73] ip6_dst_alloc+0x23/0x90 [ 1119.721618][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1119.721618][ T73] ip6_pol_route+0x56f/0x840 [ 1119.721618][ T73] fib6_rule_lookup+0x456/0x630 [ 1119.721618][ T73] ip6_route_input+0x59c/0xa50 [ 1119.721618][ T73] ipv6_rcv+0x397/0x810 [ 1119.721618][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1119.721618][ T73] process_backlog+0x101/0x620 [ 1119.721618][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1119.721618][ T73] net_rx_action+0x495/0xbe0 [ 1119.721618][ T73] __do_softirq+0x1b5/0x7f6 [ 1119.721618][ T73] [ 1119.723453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.723453][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.723453][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.723453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.723453][ T73] ip6_route_add+0x1c/0x140 [ 1119.723453][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1119.723453][ T73] inet6_addr_add+0x4f8/0xa40 [ 1119.723453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.723453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.723453][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.723453][ T73] netlink_unicast+0x449/0x710 [ 1119.723453][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.723453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.723453][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.723453][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.723453][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.723453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.723453][ T73] [ 1119.725694][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.725694][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.725694][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.725694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.725694][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1119.725694][ T73] ipv6_add_addr+0x411/0x2000 [ 1119.725694][ T73] inet6_addr_add+0x30e/0xa40 [ 1119.725694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.725694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.725694][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.725694][ T73] netlink_unicast+0x449/0x710 [ 1119.725694][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.725694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.725694][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.725694][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.725694][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.725694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.725694][ T73] [ 1119.727909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.727909][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.727909][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.727909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.727909][ T73] ip6_route_add+0x1c/0x140 [ 1119.727909][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1119.727909][ T73] addrconf_add_dev+0xe2/0x170 [ 1119.727909][ T73] inet6_addr_add+0x12f/0xa40 [ 1119.727909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.727909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.727909][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.727909][ T73] netlink_unicast+0x449/0x710 [ 1119.727909][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.727909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.727909][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.727909][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.727909][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.727909][ T73] [ 1119.730195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.730195][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1119.730195][ T73] ipv6_find_idev+0x102/0x170 [ 1119.730195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.730195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.730195][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.730195][ T73] netlink_unicast+0x449/0x710 [ 1119.730195][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.730195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.730195][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.730195][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.730195][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.730195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.730195][ T73] [ 1119.731930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1119.731930][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1119.731930][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1119.731930][ T73] ipv6_find_idev+0x102/0x170 [ 1119.731930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.731930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.731930][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.731930][ T73] netlink_unicast+0x449/0x710 [ 1119.731930][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.731930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.731930][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.731930][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.731930][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.731930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.731930][ T73] [ 1119.733839][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1119.734139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.734139][ T73] dst_init+0x84/0x4a0 [ 1119.734139][ T73] dst_alloc+0x97/0x150 [ 1119.734139][ T73] ip6_dst_alloc+0x23/0x90 [ 1119.734139][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1119.734139][ T73] ip6_pol_route+0x56f/0x840 [ 1119.734139][ T73] fib6_rule_lookup+0x456/0x630 [ 1119.734139][ T73] ip6_route_input+0x59c/0xa50 [ 1119.734139][ T73] ipv6_rcv+0x397/0x810 [ 1119.734139][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1119.734139][ T73] process_backlog+0x101/0x620 [ 1119.734139][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1119.734139][ T73] net_rx_action+0x495/0xbe0 [ 1119.734139][ T73] __do_softirq+0x1b5/0x7f6 [ 1119.734139][ T73] [ 1119.735988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.735988][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.735988][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.735988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.735988][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1119.735988][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1119.735988][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1119.735988][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1119.735988][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1119.735988][ T73] addrconf_dad_begin+0x310/0x670 [ 1119.735988][ T73] addrconf_dad_work+0x10b/0xab0 [ 1119.735988][ T73] process_one_work+0x84d/0x18a0 [ 1119.735988][ T73] worker_thread+0x587/0xd30 [ 1119.735988][ T73] kthread+0x28a/0x350 [ 1119.735988][ T73] ret_from_fork+0x31/0x70 [ 1119.735988][ T73] ret_from_fork_asm+0x1a/0x30 [ 1119.735988][ T73] [ 1119.738124][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.738124][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.738124][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.738124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.738124][ T73] ip6_route_add+0x1c/0x140 [ 1119.738124][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1119.738124][ T73] inet6_addr_add+0x4f8/0xa40 [ 1119.738124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.738124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.738124][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.738124][ T73] netlink_unicast+0x449/0x710 [ 1119.738124][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.738124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.738124][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.738124][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.738124][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.738124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.738124][ T73] [ 1119.740354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.740354][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.740354][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.740354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.740354][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1119.740354][ T73] ipv6_add_addr+0x411/0x2000 [ 1119.740354][ T73] inet6_addr_add+0x30e/0xa40 [ 1119.740354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.740354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.740354][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.740354][ T73] netlink_unicast+0x449/0x710 [ 1119.740354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.740354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.740354][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.740354][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.740354][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.740354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.740354][ T73] [ 1119.742580][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.742580][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.742580][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.742580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.742580][ T73] ip6_route_add+0x1c/0x140 [ 1119.742580][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1119.742580][ T73] addrconf_add_dev+0xe2/0x170 [ 1119.742580][ T73] inet6_addr_add+0x12f/0xa40 [ 1119.742580][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.742580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.742580][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.742580][ T73] netlink_unicast+0x449/0x710 [ 1119.742580][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.742580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.742580][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.742580][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.742580][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.742580][ T73] [ 1119.744785][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.744785][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1119.744785][ T73] ipv6_find_idev+0x102/0x170 [ 1119.744785][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.744785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.744785][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.744785][ T73] netlink_unicast+0x449/0x710 [ 1119.744785][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.744785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.744785][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.744785][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.744785][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.744785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.744785][ T73] [ 1119.746509][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1119.746509][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1119.746509][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1119.746509][ T73] ipv6_find_idev+0x102/0x170 [ 1119.746509][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.746509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.746509][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.746509][ T73] netlink_unicast+0x449/0x710 [ 1119.746509][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.746509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.746509][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.746509][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.746509][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.746509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.746509][ T73] [ 1119.748516][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1119.748809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.748809][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1119.748809][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1119.748809][ T73] fib6_nh_init+0xa22/0x1580 [ 1119.748809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.748809][ T73] ip6_route_add+0x1c/0x140 [ 1119.748809][ T73] inet6_rtm_newroute+0x104/0x110 [ 1119.748809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.748809][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.748809][ T73] netlink_unicast+0x449/0x710 [ 1119.748809][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.748809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.748809][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.748809][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.748809][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.748809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.748809][ T73] [ 1119.751207][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.751207][ T73] dst_init+0x84/0x4a0 [ 1119.751207][ T73] dst_alloc+0x97/0x150 [ 1119.751207][ T73] ip6_dst_alloc+0x23/0x90 [ 1119.751207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1119.751207][ T73] ip6_pol_route+0x56f/0x840 [ 1119.751207][ T73] fib6_rule_lookup+0x456/0x630 [ 1119.751207][ T73] ip6_route_input+0x59c/0xa50 [ 1119.751207][ T73] ipv6_rcv+0x397/0x810 [ 1119.751207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1119.751207][ T73] process_backlog+0x101/0x620 [ 1119.751207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1119.751207][ T73] net_rx_action+0x495/0xbe0 [ 1119.751207][ T73] __do_softirq+0x1b5/0x7f6 [ 1119.751207][ T73] [ 1119.753219][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.753219][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.753219][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.753219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.753219][ T73] ip6_route_add+0x1c/0x140 [ 1119.753219][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1119.753219][ T73] inet6_addr_add+0x4f8/0xa40 [ 1119.753219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.753219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.753219][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.753219][ T73] netlink_unicast+0x449/0x710 [ 1119.753219][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.753219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.753219][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.753219][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.753219][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.753219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.753219][ T73] [ 1119.755684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.755684][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.755684][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.755684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.755684][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1119.755684][ T73] ipv6_add_addr+0x411/0x2000 [ 1119.755684][ T73] inet6_addr_add+0x30e/0xa40 [ 1119.755684][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.755684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.755684][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.755684][ T73] netlink_unicast+0x449/0x710 [ 1119.755684][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.755684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.755684][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.755684][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.755684][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.755684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.755684][ T73] [ 1119.758170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.758170][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.758170][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.758170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.758170][ T73] ip6_route_add+0x1c/0x140 [ 1119.758170][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1119.758170][ T73] addrconf_add_dev+0xe2/0x170 [ 1119.758170][ T73] inet6_addr_add+0x12f/0xa40 [ 1119.758170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.758170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.758170][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.758170][ T73] netlink_unicast+0x449/0x710 [ 1119.758170][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.758170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.758170][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.758170][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.758170][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.758170][ T73] [ 1119.760666][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.760666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1119.760666][ T73] ipv6_find_idev+0x102/0x170 [ 1119.760666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.760666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.760666][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.760666][ T73] netlink_unicast+0x449/0x710 [ 1119.760666][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.760666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.760666][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.760666][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.760666][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.760666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.760666][ T73] [ 1119.762490][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1119.762490][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1119.762490][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1119.762490][ T73] ipv6_find_idev+0x102/0x170 [ 1119.762490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.762490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.762490][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.762490][ T73] netlink_unicast+0x449/0x710 [ 1119.762490][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.762490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.762490][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.762490][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.762490][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.762490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.762490][ T73] [ 1119.764609][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1119.765365][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1119.765365][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.765365][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.765365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.765365][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1119.765365][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1119.765365][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1119.765365][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1119.765365][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1119.765365][ T73] addrconf_dad_begin+0x310/0x670 [ 1119.765365][ T73] addrconf_dad_work+0x10b/0xab0 [ 1119.765365][ T73] process_one_work+0x84d/0x18a0 [ 1119.765365][ T73] worker_thread+0x587/0xd30 [ 1119.765365][ T73] kthread+0x28a/0x350 [ 1119.765365][ T73] ret_from_fork+0x31/0x70 [ 1119.765365][ T73] ret_from_fork_asm+0x1a/0x30 [ 1119.765365][ T73] [ 1119.767513][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1119.767513][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.767513][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.767513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.767513][ T73] ip6_route_add+0x1c/0x140 [ 1119.767513][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1119.767513][ T73] inet6_addr_add+0x4f8/0xa40 [ 1119.767513][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.767513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.767513][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.767513][ T73] netlink_unicast+0x449/0x710 [ 1119.767513][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.767513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.767513][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.767513][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.767513][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.767513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.767513][ T73] [ 1119.769851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1119.769851][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.769851][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.769851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.769851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1119.769851][ T73] ipv6_add_addr+0x411/0x2000 [ 1119.769851][ T73] inet6_addr_add+0x30e/0xa40 [ 1119.769851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.769851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.769851][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.769851][ T73] netlink_unicast+0x449/0x710 [ 1119.769851][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.769851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.769851][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.769851][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.769851][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.769851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.769851][ T73] [ 1119.772331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1119.772331][ T73] netdev_get_by_index+0x5e/0x80 [ 1119.772331][ T73] fib6_nh_init+0x3d8/0x1580 [ 1119.772331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1119.772331][ T73] ip6_route_add+0x1c/0x140 [ 1119.772331][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1119.772331][ T73] addrconf_add_dev+0xe2/0x170 [ 1119.772331][ T73] inet6_addr_add+0x12f/0xa40 [ 1119.772331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.772331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.772331][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.772331][ T73] netlink_unicast+0x449/0x710 [ 1119.772331][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.772331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.772331][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.772331][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.772331][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.772331][ T73] [ 1119.774759][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1119.774759][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1119.774759][ T73] ipv6_find_idev+0x102/0x170 [ 1119.774759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.774759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.774759][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.774759][ T73] netlink_unicast+0x449/0x710 [ 1119.774759][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.774759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.774759][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.774759][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.774759][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.774759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.774759][ T73] [ 1119.776650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1119.776650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1119.776650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1119.776650][ T73] ipv6_find_idev+0x102/0x170 [ 1119.776650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.776650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.776650][ T73] netlink_rcv_skb+0x130/0x360 [ 1119.776650][ T73] netlink_unicast+0x449/0x710 [ 1119.776650][ T73] netlink_sendmsg+0x723/0xbe0 [ 1119.776650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1119.776650][ T73] ___sys_sendmsg+0xee/0x170 [ 1119.776650][ T73] __sys_sendmsg+0xcd/0x170 [ 1119.776650][ T73] do_syscall_64+0xc6/0x1e0 [ 1119.776650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.776650][ T73] [ 1130.014921][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1130.015453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.015453][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1130.015453][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1130.015453][ T73] fib6_nh_init+0xa22/0x1580 [ 1130.015453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.015453][ T73] ip6_route_add+0x1c/0x140 [ 1130.015453][ T73] inet6_rtm_newroute+0x104/0x110 [ 1130.015453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.015453][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.015453][ T73] netlink_unicast+0x449/0x710 [ 1130.015453][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.015453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.015453][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.015453][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.015453][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.015453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.015453][ T73] [ 1130.017552][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.017552][ T73] dst_init+0x84/0x4a0 [ 1130.017552][ T73] dst_alloc+0x97/0x150 [ 1130.017552][ T73] ip6_dst_alloc+0x23/0x90 [ 1130.017552][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1130.017552][ T73] ip6_pol_route+0x56f/0x840 [ 1130.017552][ T73] fib6_rule_lookup+0x456/0x630 [ 1130.017552][ T73] ip6_route_input+0x59c/0xa50 [ 1130.017552][ T73] ipv6_rcv+0x397/0x810 [ 1130.017552][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1130.017552][ T73] process_backlog+0x101/0x620 [ 1130.017552][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1130.017552][ T73] net_rx_action+0x495/0xbe0 [ 1130.017552][ T73] __do_softirq+0x1b5/0x7f6 [ 1130.017552][ T73] [ 1130.019388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.019388][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.019388][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.019388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.019388][ T73] ip6_route_add+0x1c/0x140 [ 1130.019388][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1130.019388][ T73] inet6_addr_add+0x4f8/0xa40 [ 1130.019388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.019388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.019388][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.019388][ T73] netlink_unicast+0x449/0x710 [ 1130.019388][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.019388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.019388][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.019388][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.019388][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.019388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.019388][ T73] [ 1130.021646][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.021646][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.021646][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.021646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.021646][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1130.021646][ T73] ipv6_add_addr+0x411/0x2000 [ 1130.021646][ T73] inet6_addr_add+0x30e/0xa40 [ 1130.021646][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.021646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.021646][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.021646][ T73] netlink_unicast+0x449/0x710 [ 1130.021646][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.021646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.021646][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.021646][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.021646][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.021646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.021646][ T73] [ 1130.023892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.023892][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.023892][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.023892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.023892][ T73] ip6_route_add+0x1c/0x140 [ 1130.023892][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1130.023892][ T73] addrconf_add_dev+0xe2/0x170 [ 1130.023892][ T73] inet6_addr_add+0x12f/0xa40 [ 1130.023892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.023892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.023892][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.023892][ T73] netlink_unicast+0x449/0x710 [ 1130.023892][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.023892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.023892][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.023892][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.023892][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.023892][ T73] [ 1130.026078][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.026078][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1130.026078][ T73] ipv6_find_idev+0x102/0x170 [ 1130.026078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.026078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.026078][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.026078][ T73] netlink_unicast+0x449/0x710 [ 1130.026078][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.026078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.026078][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.026078][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.026078][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.026078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.026078][ T73] [ 1130.027791][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1130.027791][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1130.027791][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1130.027791][ T73] ipv6_find_idev+0x102/0x170 [ 1130.027791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.027791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.027791][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.027791][ T73] netlink_unicast+0x449/0x710 [ 1130.027791][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.027791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.027791][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.027791][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.027791][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.027791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.027791][ T73] [ 1130.029677][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1130.030001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.030001][ T73] dst_init+0x84/0x4a0 [ 1130.030001][ T73] dst_alloc+0x97/0x150 [ 1130.030001][ T73] ip6_dst_alloc+0x23/0x90 [ 1130.030001][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1130.030001][ T73] ip6_pol_route+0x56f/0x840 [ 1130.030001][ T73] fib6_rule_lookup+0x456/0x630 [ 1130.030001][ T73] ip6_route_input+0x59c/0xa50 [ 1130.030001][ T73] ipv6_rcv+0x397/0x810 [ 1130.030001][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1130.030001][ T73] process_backlog+0x101/0x620 [ 1130.030001][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1130.030001][ T73] net_rx_action+0x495/0xbe0 [ 1130.030001][ T73] __do_softirq+0x1b5/0x7f6 [ 1130.030001][ T73] [ 1130.031827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.031827][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.031827][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.031827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.031827][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1130.031827][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1130.031827][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1130.031827][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1130.031827][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1130.031827][ T73] addrconf_dad_begin+0x310/0x670 [ 1130.031827][ T73] addrconf_dad_work+0x10b/0xab0 [ 1130.031827][ T73] process_one_work+0x84d/0x18a0 [ 1130.031827][ T73] worker_thread+0x587/0xd30 [ 1130.031827][ T73] kthread+0x28a/0x350 [ 1130.031827][ T73] ret_from_fork+0x31/0x70 [ 1130.031827][ T73] ret_from_fork_asm+0x1a/0x30 [ 1130.031827][ T73] [ 1130.033949][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.033949][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.033949][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.033949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.033949][ T73] ip6_route_add+0x1c/0x140 [ 1130.033949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1130.033949][ T73] inet6_addr_add+0x4f8/0xa40 [ 1130.033949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.033949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.033949][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.033949][ T73] netlink_unicast+0x449/0x710 [ 1130.033949][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.033949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.033949][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.033949][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.033949][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.033949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.033949][ T73] [ 1130.036190][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.036190][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.036190][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.036190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.036190][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1130.036190][ T73] ipv6_add_addr+0x411/0x2000 [ 1130.036190][ T73] inet6_addr_add+0x30e/0xa40 [ 1130.036190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.036190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.036190][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.036190][ T73] netlink_unicast+0x449/0x710 [ 1130.036190][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.036190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.036190][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.036190][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.036190][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.036190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.036190][ T73] [ 1130.038408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.038408][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.038408][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.038408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.038408][ T73] ip6_route_add+0x1c/0x140 [ 1130.038408][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1130.038408][ T73] addrconf_add_dev+0xe2/0x170 [ 1130.038408][ T73] inet6_addr_add+0x12f/0xa40 [ 1130.038408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.038408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.038408][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.038408][ T73] netlink_unicast+0x449/0x710 [ 1130.038408][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.038408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.038408][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.038408][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.038408][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.038408][ T73] [ 1130.040589][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.040589][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1130.040589][ T73] ipv6_find_idev+0x102/0x170 [ 1130.040589][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.040589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.040589][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.040589][ T73] netlink_unicast+0x449/0x710 [ 1130.040589][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.040589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.040589][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.040589][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.040589][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.040589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.040589][ T73] [ 1130.042304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1130.042304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1130.042304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1130.042304][ T73] ipv6_find_idev+0x102/0x170 [ 1130.042304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.042304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.042304][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.042304][ T73] netlink_unicast+0x449/0x710 [ 1130.042304][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.042304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.042304][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.042304][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.042304][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.042304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.042304][ T73] [ 1130.044317][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1130.044617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.044617][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1130.044617][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1130.044617][ T73] fib6_nh_init+0xa22/0x1580 [ 1130.044617][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.044617][ T73] ip6_route_add+0x1c/0x140 [ 1130.044617][ T73] inet6_rtm_newroute+0x104/0x110 [ 1130.044617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.044617][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.044617][ T73] netlink_unicast+0x449/0x710 [ 1130.044617][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.044617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.044617][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.044617][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.044617][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.044617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.044617][ T73] [ 1130.046959][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.046959][ T73] dst_init+0x84/0x4a0 [ 1130.046959][ T73] dst_alloc+0x97/0x150 [ 1130.046959][ T73] ip6_dst_alloc+0x23/0x90 [ 1130.046959][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1130.046959][ T73] ip6_pol_route+0x56f/0x840 [ 1130.046959][ T73] fib6_rule_lookup+0x456/0x630 [ 1130.046959][ T73] ip6_route_input+0x59c/0xa50 [ 1130.046959][ T73] ipv6_rcv+0x397/0x810 [ 1130.046959][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1130.046959][ T73] process_backlog+0x101/0x620 [ 1130.046959][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1130.046959][ T73] net_rx_action+0x495/0xbe0 [ 1130.046959][ T73] __do_softirq+0x1b5/0x7f6 [ 1130.046959][ T73] [ 1130.048947][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.048947][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.048947][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.048947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.048947][ T73] ip6_route_add+0x1c/0x140 [ 1130.048947][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1130.048947][ T73] inet6_addr_add+0x4f8/0xa40 [ 1130.048947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.048947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.048947][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.048947][ T73] netlink_unicast+0x449/0x710 [ 1130.048947][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.048947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.048947][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.048947][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.048947][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.048947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.048947][ T73] [ 1130.051397][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.051397][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.051397][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.051397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.051397][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1130.051397][ T73] ipv6_add_addr+0x411/0x2000 [ 1130.051397][ T73] inet6_addr_add+0x30e/0xa40 [ 1130.051397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.051397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.051397][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.051397][ T73] netlink_unicast+0x449/0x710 [ 1130.051397][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.051397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.051397][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.051397][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.051397][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.051397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.051397][ T73] [ 1130.053936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.053936][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.053936][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.053936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.053936][ T73] ip6_route_add+0x1c/0x140 [ 1130.053936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1130.053936][ T73] addrconf_add_dev+0xe2/0x170 [ 1130.053936][ T73] inet6_addr_add+0x12f/0xa40 [ 1130.053936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.053936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.053936][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.053936][ T73] netlink_unicast+0x449/0x710 [ 1130.053936][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.053936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.053936][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.053936][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.053936][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.053936][ T73] [ 1130.056384][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.056384][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1130.056384][ T73] ipv6_find_idev+0x102/0x170 [ 1130.056384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.056384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.056384][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.056384][ T73] netlink_unicast+0x449/0x710 [ 1130.056384][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.056384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.056384][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.056384][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.056384][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.056384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.056384][ T73] [ 1130.058238][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1130.058238][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1130.058238][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1130.058238][ T73] ipv6_find_idev+0x102/0x170 [ 1130.058238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.058238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.058238][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.058238][ T73] netlink_unicast+0x449/0x710 [ 1130.058238][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.058238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.058238][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.058238][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.058238][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.058238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.058238][ T73] [ 1130.060351][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1130.060650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1130.060650][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.060650][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.060650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.060650][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1130.060650][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1130.060650][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1130.060650][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1130.060650][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1130.060650][ T73] addrconf_dad_begin+0x310/0x670 [ 1130.060650][ T73] addrconf_dad_work+0x10b/0xab0 [ 1130.060650][ T73] process_one_work+0x84d/0x18a0 [ 1130.060650][ T73] worker_thread+0x587/0xd30 [ 1130.060650][ T73] kthread+0x28a/0x350 [ 1130.060650][ T73] ret_from_fork+0x31/0x70 [ 1130.060650][ T73] ret_from_fork_asm+0x1a/0x30 [ 1130.060650][ T73] [ 1130.063089][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1130.063089][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.063089][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.063089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.063089][ T73] ip6_route_add+0x1c/0x140 [ 1130.063089][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1130.063089][ T73] inet6_addr_add+0x4f8/0xa40 [ 1130.063089][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.063089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.063089][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.063089][ T73] netlink_unicast+0x449/0x710 [ 1130.063089][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.063089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.063089][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.063089][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.063089][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.063089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.063089][ T73] [ 1130.065549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1130.065549][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.065549][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.065549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.065549][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1130.065549][ T73] ipv6_add_addr+0x411/0x2000 [ 1130.065549][ T73] inet6_addr_add+0x30e/0xa40 [ 1130.065549][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.065549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.065549][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.065549][ T73] netlink_unicast+0x449/0x710 [ 1130.065549][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.065549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.065549][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.065549][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.065549][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.065549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.065549][ T73] [ 1130.067962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1130.067962][ T73] netdev_get_by_index+0x5e/0x80 [ 1130.067962][ T73] fib6_nh_init+0x3d8/0x1580 [ 1130.067962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1130.067962][ T73] ip6_route_add+0x1c/0x140 [ 1130.067962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1130.067962][ T73] addrconf_add_dev+0xe2/0x170 [ 1130.067962][ T73] inet6_addr_add+0x12f/0xa40 [ 1130.067962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1130.067962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.067962][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.067962][ T73] netlink_unicast+0x449/0x710 [ 1130.067962][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.067962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.067962][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.067962][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.067962][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.067962][ T73] [ 1130.070407][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1130.070407][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1130.070407][ T73] ipv6_find_idev+0x102/0x170 [ 1130.070407][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.070407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.070407][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.070407][ T73] netlink_unicast+0x449/0x710 [ 1130.070407][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.070407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.070407][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.070407][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.070407][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.070407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.070407][ T73] [ 1130.072298][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1130.072298][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1130.072298][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1130.072298][ T73] ipv6_find_idev+0x102/0x170 [ 1130.072298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1130.072298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1130.072298][ T73] netlink_rcv_skb+0x130/0x360 [ 1130.072298][ T73] netlink_unicast+0x449/0x710 [ 1130.072298][ T73] netlink_sendmsg+0x723/0xbe0 [ 1130.072298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1130.072298][ T73] ___sys_sendmsg+0xee/0x170 [ 1130.072298][ T73] __sys_sendmsg+0xcd/0x170 [ 1130.072298][ T73] do_syscall_64+0xc6/0x1e0 [ 1130.072298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1130.072298][ T73] [ 1140.126969][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1140.127497][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.127497][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1140.127497][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1140.127497][ T73] fib6_nh_init+0xa22/0x1580 [ 1140.127497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.127497][ T73] ip6_route_add+0x1c/0x140 [ 1140.127497][ T73] inet6_rtm_newroute+0x104/0x110 [ 1140.127497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.127497][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.127497][ T73] netlink_unicast+0x449/0x710 [ 1140.127497][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.127497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.127497][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.127497][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.127497][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.127497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.127497][ T73] [ 1140.129605][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.129605][ T73] dst_init+0x84/0x4a0 [ 1140.129605][ T73] dst_alloc+0x97/0x150 [ 1140.129605][ T73] ip6_dst_alloc+0x23/0x90 [ 1140.129605][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1140.129605][ T73] ip6_pol_route+0x56f/0x840 [ 1140.129605][ T73] fib6_rule_lookup+0x456/0x630 [ 1140.129605][ T73] ip6_route_input+0x59c/0xa50 [ 1140.129605][ T73] ipv6_rcv+0x397/0x810 [ 1140.129605][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1140.129605][ T73] process_backlog+0x101/0x620 [ 1140.129605][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1140.129605][ T73] net_rx_action+0x495/0xbe0 [ 1140.129605][ T73] __do_softirq+0x1b5/0x7f6 [ 1140.129605][ T73] [ 1140.131433][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.131433][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.131433][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.131433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.131433][ T73] ip6_route_add+0x1c/0x140 [ 1140.131433][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1140.131433][ T73] inet6_addr_add+0x4f8/0xa40 [ 1140.131433][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.131433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.131433][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.131433][ T73] netlink_unicast+0x449/0x710 [ 1140.131433][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.131433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.131433][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.131433][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.131433][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.131433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.131433][ T73] [ 1140.133639][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.133639][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.133639][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.133639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.133639][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1140.133639][ T73] ipv6_add_addr+0x411/0x2000 [ 1140.133639][ T73] inet6_addr_add+0x30e/0xa40 [ 1140.133639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.133639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.133639][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.133639][ T73] netlink_unicast+0x449/0x710 [ 1140.133639][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.133639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.133639][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.133639][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.133639][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.133639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.133639][ T73] [ 1140.135873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.135873][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.135873][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.135873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.135873][ T73] ip6_route_add+0x1c/0x140 [ 1140.135873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1140.135873][ T73] addrconf_add_dev+0xe2/0x170 [ 1140.135873][ T73] inet6_addr_add+0x12f/0xa40 [ 1140.135873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.135873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.135873][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.135873][ T73] netlink_unicast+0x449/0x710 [ 1140.135873][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.135873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.135873][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.135873][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.135873][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.135873][ T73] [ 1140.138039][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.138039][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1140.138039][ T73] ipv6_find_idev+0x102/0x170 [ 1140.138039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.138039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.138039][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.138039][ T73] netlink_unicast+0x449/0x710 [ 1140.138039][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.138039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.138039][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.138039][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.138039][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.138039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.138039][ T73] [ 1140.139767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1140.139767][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1140.139767][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1140.139767][ T73] ipv6_find_idev+0x102/0x170 [ 1140.139767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.139767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.139767][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.139767][ T73] netlink_unicast+0x449/0x710 [ 1140.139767][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.139767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.139767][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.139767][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.139767][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.139767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.139767][ T73] [ 1140.141666][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1140.141982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.141982][ T73] dst_init+0x84/0x4a0 [ 1140.141982][ T73] dst_alloc+0x97/0x150 [ 1140.141982][ T73] ip6_dst_alloc+0x23/0x90 [ 1140.141982][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1140.141982][ T73] ip6_pol_route+0x56f/0x840 [ 1140.141982][ T73] fib6_rule_lookup+0x456/0x630 [ 1140.141982][ T73] ip6_route_input+0x59c/0xa50 [ 1140.141982][ T73] ipv6_rcv+0x397/0x810 [ 1140.141982][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1140.141982][ T73] process_backlog+0x101/0x620 [ 1140.141982][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1140.141982][ T73] net_rx_action+0x495/0xbe0 [ 1140.141982][ T73] __do_softirq+0x1b5/0x7f6 [ 1140.141982][ T73] [ 1140.143831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.143831][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.143831][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.143831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.143831][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1140.143831][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1140.143831][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1140.143831][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1140.143831][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1140.143831][ T73] addrconf_dad_begin+0x310/0x670 [ 1140.143831][ T73] addrconf_dad_work+0x10b/0xab0 [ 1140.143831][ T73] process_one_work+0x84d/0x18a0 [ 1140.143831][ T73] worker_thread+0x587/0xd30 [ 1140.143831][ T73] kthread+0x28a/0x350 [ 1140.143831][ T73] ret_from_fork+0x31/0x70 [ 1140.143831][ T73] ret_from_fork_asm+0x1a/0x30 [ 1140.143831][ T73] [ 1140.145966][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.145966][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.145966][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.145966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.145966][ T73] ip6_route_add+0x1c/0x140 [ 1140.145966][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1140.145966][ T73] inet6_addr_add+0x4f8/0xa40 [ 1140.145966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.145966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.145966][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.145966][ T73] netlink_unicast+0x449/0x710 [ 1140.145966][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.145966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.145966][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.145966][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.145966][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.145966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.145966][ T73] [ 1140.148181][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.148181][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.148181][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.148181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.148181][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1140.148181][ T73] ipv6_add_addr+0x411/0x2000 [ 1140.148181][ T73] inet6_addr_add+0x30e/0xa40 [ 1140.148181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.148181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.148181][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.148181][ T73] netlink_unicast+0x449/0x710 [ 1140.148181][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.148181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.148181][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.148181][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.148181][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.148181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.148181][ T73] [ 1140.150400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.150400][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.150400][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.150400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.150400][ T73] ip6_route_add+0x1c/0x140 [ 1140.150400][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1140.150400][ T73] addrconf_add_dev+0xe2/0x170 [ 1140.150400][ T73] inet6_addr_add+0x12f/0xa40 [ 1140.150400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.150400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.150400][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.150400][ T73] netlink_unicast+0x449/0x710 [ 1140.150400][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.150400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.150400][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.150400][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.150400][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.150400][ T73] [ 1140.152592][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.152592][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1140.152592][ T73] ipv6_find_idev+0x102/0x170 [ 1140.152592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.152592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.152592][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.152592][ T73] netlink_unicast+0x449/0x710 [ 1140.152592][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.152592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.152592][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.152592][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.152592][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.152592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.152592][ T73] [ 1140.154306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1140.154306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1140.154306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1140.154306][ T73] ipv6_find_idev+0x102/0x170 [ 1140.154306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.154306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.154306][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.154306][ T73] netlink_unicast+0x449/0x710 [ 1140.154306][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.154306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.154306][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.154306][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.154306][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.154306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.154306][ T73] [ 1140.156250][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1140.156539][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.156539][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1140.156539][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1140.156539][ T73] fib6_nh_init+0xa22/0x1580 [ 1140.156539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.156539][ T73] ip6_route_add+0x1c/0x140 [ 1140.156539][ T73] inet6_rtm_newroute+0x104/0x110 [ 1140.156539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.156539][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.156539][ T73] netlink_unicast+0x449/0x710 [ 1140.156539][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.156539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.156539][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.156539][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.156539][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.156539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.156539][ T73] [ 1140.158924][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.158924][ T73] dst_init+0x84/0x4a0 [ 1140.158924][ T73] dst_alloc+0x97/0x150 [ 1140.158924][ T73] ip6_dst_alloc+0x23/0x90 [ 1140.158924][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1140.158924][ T73] ip6_pol_route+0x56f/0x840 [ 1140.158924][ T73] fib6_rule_lookup+0x456/0x630 [ 1140.158924][ T73] ip6_route_input+0x59c/0xa50 [ 1140.158924][ T73] ipv6_rcv+0x397/0x810 [ 1140.158924][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1140.158924][ T73] process_backlog+0x101/0x620 [ 1140.158924][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1140.158924][ T73] net_rx_action+0x495/0xbe0 [ 1140.158924][ T73] __do_softirq+0x1b5/0x7f6 [ 1140.158924][ T73] [ 1140.160949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.160949][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.160949][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.160949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.160949][ T73] ip6_route_add+0x1c/0x140 [ 1140.160949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1140.160949][ T73] inet6_addr_add+0x4f8/0xa40 [ 1140.160949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.160949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.160949][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.160949][ T73] netlink_unicast+0x449/0x710 [ 1140.160949][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.160949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.160949][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.160949][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.160949][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.160949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.160949][ T73] [ 1140.163430][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.163430][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.163430][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.163430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.163430][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1140.163430][ T73] ipv6_add_addr+0x411/0x2000 [ 1140.163430][ T73] inet6_addr_add+0x30e/0xa40 [ 1140.163430][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.163430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.163430][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.163430][ T73] netlink_unicast+0x449/0x710 [ 1140.163430][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.163430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.163430][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.163430][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.163430][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.163430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.163430][ T73] [ 1140.165947][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.165947][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.165947][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.165947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.165947][ T73] ip6_route_add+0x1c/0x140 [ 1140.165947][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1140.165947][ T73] addrconf_add_dev+0xe2/0x170 [ 1140.165947][ T73] inet6_addr_add+0x12f/0xa40 [ 1140.165947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.165947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.165947][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.165947][ T73] netlink_unicast+0x449/0x710 [ 1140.165947][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.165947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.165947][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.165947][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.165947][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.165947][ T73] [ 1140.168436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.168436][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1140.168436][ T73] ipv6_find_idev+0x102/0x170 [ 1140.168436][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.168436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.168436][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.168436][ T73] netlink_unicast+0x449/0x710 [ 1140.168436][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.168436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.168436][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.168436][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.168436][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.168436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.168436][ T73] [ 1140.170271][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1140.170271][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1140.170271][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1140.170271][ T73] ipv6_find_idev+0x102/0x170 [ 1140.170271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.170271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.170271][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.170271][ T73] netlink_unicast+0x449/0x710 [ 1140.170271][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.170271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.170271][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.170271][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.170271][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.170271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.170271][ T73] [ 1140.172399][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1140.172703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1140.172703][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.172703][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.172703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.172703][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1140.172703][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1140.172703][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1140.172703][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1140.172703][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1140.172703][ T73] addrconf_dad_begin+0x310/0x670 [ 1140.172703][ T73] addrconf_dad_work+0x10b/0xab0 [ 1140.172703][ T73] process_one_work+0x84d/0x18a0 [ 1140.172703][ T73] worker_thread+0x587/0xd30 [ 1140.172703][ T73] kthread+0x28a/0x350 [ 1140.172703][ T73] ret_from_fork+0x31/0x70 [ 1140.172703][ T73] ret_from_fork_asm+0x1a/0x30 [ 1140.172703][ T73] [ 1140.175084][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1140.175084][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.175084][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.175084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.175084][ T73] ip6_route_add+0x1c/0x140 [ 1140.175084][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1140.175084][ T73] inet6_addr_add+0x4f8/0xa40 [ 1140.175084][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.175084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.175084][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.175084][ T73] netlink_unicast+0x449/0x710 [ 1140.175084][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.175084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.175084][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.175084][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.175084][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.175084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.175084][ T73] [ 1140.177548][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1140.177548][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.177548][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.177548][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.177548][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1140.177548][ T73] ipv6_add_addr+0x411/0x2000 [ 1140.177548][ T73] inet6_addr_add+0x30e/0xa40 [ 1140.177548][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.177548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.177548][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.177548][ T73] netlink_unicast+0x449/0x710 [ 1140.177548][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.177548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.177548][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.177548][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.177548][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.177548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.177548][ T73] [ 1140.180009][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1140.180009][ T73] netdev_get_by_index+0x5e/0x80 [ 1140.180009][ T73] fib6_nh_init+0x3d8/0x1580 [ 1140.180009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1140.180009][ T73] ip6_route_add+0x1c/0x140 [ 1140.180009][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1140.180009][ T73] addrconf_add_dev+0xe2/0x170 [ 1140.180009][ T73] inet6_addr_add+0x12f/0xa40 [ 1140.180009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.180009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.180009][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.180009][ T73] netlink_unicast+0x449/0x710 [ 1140.180009][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.180009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.180009][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.180009][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.180009][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.180009][ T73] [ 1140.182455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1140.182455][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1140.182455][ T73] ipv6_find_idev+0x102/0x170 [ 1140.182455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.182455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.182455][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.182455][ T73] netlink_unicast+0x449/0x710 [ 1140.182455][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.182455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.182455][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.182455][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.182455][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.182455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.182455][ T73] [ 1140.184348][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1140.184348][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1140.184348][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1140.184348][ T73] ipv6_find_idev+0x102/0x170 [ 1140.184348][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.184348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.184348][ T73] netlink_rcv_skb+0x130/0x360 [ 1140.184348][ T73] netlink_unicast+0x449/0x710 [ 1140.184348][ T73] netlink_sendmsg+0x723/0xbe0 [ 1140.184348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1140.184348][ T73] ___sys_sendmsg+0xee/0x170 [ 1140.184348][ T73] __sys_sendmsg+0xcd/0x170 [ 1140.184348][ T73] do_syscall_64+0xc6/0x1e0 [ 1140.184348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.184348][ T73] [ 1150.295003][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1150.295596][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.295596][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1150.295596][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1150.295596][ T73] fib6_nh_init+0xa22/0x1580 [ 1150.295596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.295596][ T73] ip6_route_add+0x1c/0x140 [ 1150.295596][ T73] inet6_rtm_newroute+0x104/0x110 [ 1150.295596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.295596][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.295596][ T73] netlink_unicast+0x449/0x710 [ 1150.295596][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.295596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.295596][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.295596][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.295596][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.295596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.295596][ T73] [ 1150.298719][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.298719][ T73] dst_init+0x84/0x4a0 [ 1150.298719][ T73] dst_alloc+0x97/0x150 [ 1150.298719][ T73] ip6_dst_alloc+0x23/0x90 [ 1150.298719][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1150.298719][ T73] ip6_pol_route+0x56f/0x840 [ 1150.298719][ T73] fib6_rule_lookup+0x456/0x630 [ 1150.298719][ T73] ip6_route_input+0x59c/0xa50 [ 1150.298719][ T73] ipv6_rcv+0x397/0x810 [ 1150.298719][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1150.298719][ T73] process_backlog+0x101/0x620 [ 1150.298719][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1150.298719][ T73] net_rx_action+0x495/0xbe0 [ 1150.298719][ T73] __do_softirq+0x1b5/0x7f6 [ 1150.298719][ T73] [ 1150.301364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.301364][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.301364][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.301364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.301364][ T73] ip6_route_add+0x1c/0x140 [ 1150.301364][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1150.301364][ T73] inet6_addr_add+0x4f8/0xa40 [ 1150.301364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.301364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.301364][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.301364][ T73] netlink_unicast+0x449/0x710 [ 1150.301364][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.301364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.301364][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.301364][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.301364][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.301364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.301364][ T73] [ 1150.304670][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.304670][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.304670][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.304670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.304670][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1150.304670][ T73] ipv6_add_addr+0x411/0x2000 [ 1150.304670][ T73] inet6_addr_add+0x30e/0xa40 [ 1150.304670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.304670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.304670][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.304670][ T73] netlink_unicast+0x449/0x710 [ 1150.304670][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.304670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.304670][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.304670][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.304670][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.304670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.304670][ T73] [ 1150.307102][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.307102][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.307102][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.307102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.307102][ T73] ip6_route_add+0x1c/0x140 [ 1150.307102][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1150.307102][ T73] addrconf_add_dev+0xe2/0x170 [ 1150.307102][ T73] inet6_addr_add+0x12f/0xa40 [ 1150.307102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.307102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.307102][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.307102][ T73] netlink_unicast+0x449/0x710 [ 1150.307102][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.307102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.307102][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.307102][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.307102][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.307102][ T73] [ 1150.309383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.309383][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1150.309383][ T73] ipv6_find_idev+0x102/0x170 [ 1150.309383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.309383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.309383][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.309383][ T73] netlink_unicast+0x449/0x710 [ 1150.309383][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.309383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.309383][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.309383][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.309383][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.309383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.309383][ T73] [ 1150.311132][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1150.311132][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1150.311132][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1150.311132][ T73] ipv6_find_idev+0x102/0x170 [ 1150.311132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.311132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.311132][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.311132][ T73] netlink_unicast+0x449/0x710 [ 1150.311132][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.311132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.311132][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.311132][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.311132][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.311132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.311132][ T73] [ 1150.313839][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1150.314225][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.314225][ T73] dst_init+0x84/0x4a0 [ 1150.314225][ T73] dst_alloc+0x97/0x150 [ 1150.314225][ T73] ip6_dst_alloc+0x23/0x90 [ 1150.314225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1150.314225][ T73] ip6_pol_route+0x56f/0x840 [ 1150.314225][ T73] fib6_rule_lookup+0x456/0x630 [ 1150.314225][ T73] ip6_route_input+0x59c/0xa50 [ 1150.314225][ T73] ipv6_rcv+0x397/0x810 [ 1150.314225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1150.314225][ T73] process_backlog+0x101/0x620 [ 1150.314225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1150.314225][ T73] net_rx_action+0x495/0xbe0 [ 1150.314225][ T73] __do_softirq+0x1b5/0x7f6 [ 1150.314225][ T73] [ 1150.316842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.316842][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.316842][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.316842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.316842][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1150.316842][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1150.316842][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1150.316842][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1150.316842][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1150.316842][ T73] addrconf_dad_begin+0x310/0x670 [ 1150.316842][ T73] addrconf_dad_work+0x10b/0xab0 [ 1150.316842][ T73] process_one_work+0x84d/0x18a0 [ 1150.316842][ T73] worker_thread+0x587/0xd30 [ 1150.316842][ T73] kthread+0x28a/0x350 [ 1150.316842][ T73] ret_from_fork+0x31/0x70 [ 1150.316842][ T73] ret_from_fork_asm+0x1a/0x30 [ 1150.316842][ T73] [ 1150.320009][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.320009][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.320009][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.320009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.320009][ T73] ip6_route_add+0x1c/0x140 [ 1150.320009][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1150.320009][ T73] inet6_addr_add+0x4f8/0xa40 [ 1150.320009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.320009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.320009][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.320009][ T73] netlink_unicast+0x449/0x710 [ 1150.320009][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.320009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.320009][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.320009][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.320009][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.320009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.320009][ T73] [ 1150.323360][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.323360][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.323360][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.323360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.323360][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1150.323360][ T73] ipv6_add_addr+0x411/0x2000 [ 1150.323360][ T73] inet6_addr_add+0x30e/0xa40 [ 1150.323360][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.323360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.323360][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.323360][ T73] netlink_unicast+0x449/0x710 [ 1150.323360][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.323360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.323360][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.323360][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.323360][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.323360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.323360][ T73] [ 1150.326776][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.326776][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.326776][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.326776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.326776][ T73] ip6_route_add+0x1c/0x140 [ 1150.326776][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1150.326776][ T73] addrconf_add_dev+0xe2/0x170 [ 1150.326776][ T73] inet6_addr_add+0x12f/0xa40 [ 1150.326776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.326776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.326776][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.326776][ T73] netlink_unicast+0x449/0x710 [ 1150.326776][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.326776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.326776][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.326776][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.326776][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.326776][ T73] [ 1150.330025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.330025][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1150.330025][ T73] ipv6_find_idev+0x102/0x170 [ 1150.330025][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.330025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.330025][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.330025][ T73] netlink_unicast+0x449/0x710 [ 1150.330025][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.330025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.330025][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.330025][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.330025][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.330025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.330025][ T73] [ 1150.332549][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1150.332549][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1150.332549][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1150.332549][ T73] ipv6_find_idev+0x102/0x170 [ 1150.332549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.332549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.332549][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.332549][ T73] netlink_unicast+0x449/0x710 [ 1150.332549][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.332549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.332549][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.332549][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.332549][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.332549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.332549][ T73] [ 1150.335586][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1150.336062][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.336062][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1150.336062][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1150.336062][ T73] fib6_nh_init+0xa22/0x1580 [ 1150.336062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.336062][ T73] ip6_route_add+0x1c/0x140 [ 1150.336062][ T73] inet6_rtm_newroute+0x104/0x110 [ 1150.336062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.336062][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.336062][ T73] netlink_unicast+0x449/0x710 [ 1150.336062][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.336062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.336062][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.336062][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.336062][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.336062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.336062][ T73] [ 1150.339645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.339645][ T73] dst_init+0x84/0x4a0 [ 1150.339645][ T73] dst_alloc+0x97/0x150 [ 1150.339645][ T73] ip6_dst_alloc+0x23/0x90 [ 1150.339645][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1150.339645][ T73] ip6_pol_route+0x56f/0x840 [ 1150.339645][ T73] fib6_rule_lookup+0x456/0x630 [ 1150.339645][ T73] ip6_route_input+0x59c/0xa50 [ 1150.339645][ T73] ipv6_rcv+0x397/0x810 [ 1150.339645][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1150.339645][ T73] process_backlog+0x101/0x620 [ 1150.339645][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1150.339645][ T73] net_rx_action+0x495/0xbe0 [ 1150.339645][ T73] __do_softirq+0x1b5/0x7f6 [ 1150.339645][ T73] [ 1150.342523][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.342523][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.342523][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.342523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.342523][ T73] ip6_route_add+0x1c/0x140 [ 1150.342523][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1150.342523][ T73] inet6_addr_add+0x4f8/0xa40 [ 1150.342523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.342523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.342523][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.342523][ T73] netlink_unicast+0x449/0x710 [ 1150.342523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.342523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.342523][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.342523][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.342523][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.342523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.342523][ T73] [ 1150.345843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.345843][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.345843][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.345843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.345843][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1150.345843][ T73] ipv6_add_addr+0x411/0x2000 [ 1150.345843][ T73] inet6_addr_add+0x30e/0xa40 [ 1150.345843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.345843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.345843][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.345843][ T73] netlink_unicast+0x449/0x710 [ 1150.345843][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.345843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.345843][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.345843][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.345843][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.345843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.345843][ T73] [ 1150.348292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.348292][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.348292][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.348292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.348292][ T73] ip6_route_add+0x1c/0x140 [ 1150.348292][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1150.348292][ T73] addrconf_add_dev+0xe2/0x170 [ 1150.348292][ T73] inet6_addr_add+0x12f/0xa40 [ 1150.348292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.348292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.348292][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.348292][ T73] netlink_unicast+0x449/0x710 [ 1150.348292][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.348292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.348292][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.348292][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.348292][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.348292][ T73] [ 1150.350838][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.350838][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1150.350838][ T73] ipv6_find_idev+0x102/0x170 [ 1150.350838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.350838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.350838][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.350838][ T73] netlink_unicast+0x449/0x710 [ 1150.350838][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.350838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.350838][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.350838][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.350838][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.350838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.350838][ T73] [ 1150.352689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1150.352689][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1150.352689][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1150.352689][ T73] ipv6_find_idev+0x102/0x170 [ 1150.352689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.352689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.352689][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.352689][ T73] netlink_unicast+0x449/0x710 [ 1150.352689][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.352689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.352689][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.352689][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.352689][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.352689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.352689][ T73] [ 1150.354845][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1150.355162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1150.355162][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.355162][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.355162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.355162][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1150.355162][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1150.355162][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1150.355162][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1150.355162][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1150.355162][ T73] addrconf_dad_begin+0x310/0x670 [ 1150.355162][ T73] addrconf_dad_work+0x10b/0xab0 [ 1150.355162][ T73] process_one_work+0x84d/0x18a0 [ 1150.355162][ T73] worker_thread+0x587/0xd30 [ 1150.355162][ T73] kthread+0x28a/0x350 [ 1150.355162][ T73] ret_from_fork+0x31/0x70 [ 1150.355162][ T73] ret_from_fork_asm+0x1a/0x30 [ 1150.355162][ T73] [ 1150.357563][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1150.357563][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.357563][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.357563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.357563][ T73] ip6_route_add+0x1c/0x140 [ 1150.357563][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1150.357563][ T73] inet6_addr_add+0x4f8/0xa40 [ 1150.357563][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.357563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.357563][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.357563][ T73] netlink_unicast+0x449/0x710 [ 1150.357563][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.357563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.357563][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.357563][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.357563][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.357563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.357563][ T73] [ 1150.360136][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1150.360136][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.360136][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.360136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.360136][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1150.360136][ T73] ipv6_add_addr+0x411/0x2000 [ 1150.360136][ T73] inet6_addr_add+0x30e/0xa40 [ 1150.360136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.360136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.360136][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.360136][ T73] netlink_unicast+0x449/0x710 [ 1150.360136][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.360136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.360136][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.360136][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.360136][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.360136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.360136][ T73] [ 1150.362644][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1150.362644][ T73] netdev_get_by_index+0x5e/0x80 [ 1150.362644][ T73] fib6_nh_init+0x3d8/0x1580 [ 1150.362644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1150.362644][ T73] ip6_route_add+0x1c/0x140 [ 1150.362644][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1150.362644][ T73] addrconf_add_dev+0xe2/0x170 [ 1150.362644][ T73] inet6_addr_add+0x12f/0xa40 [ 1150.362644][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.362644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.362644][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.362644][ T73] netlink_unicast+0x449/0x710 [ 1150.362644][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.362644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.362644][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.362644][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.362644][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.362644][ T73] [ 1150.365089][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1150.365089][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1150.365089][ T73] ipv6_find_idev+0x102/0x170 [ 1150.365089][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.365089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.365089][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.365089][ T73] netlink_unicast+0x449/0x710 [ 1150.365089][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.365089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.365089][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.365089][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.365089][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.365089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.365089][ T73] [ 1150.367012][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1150.367012][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1150.367012][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1150.367012][ T73] ipv6_find_idev+0x102/0x170 [ 1150.367012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.367012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.367012][ T73] netlink_rcv_skb+0x130/0x360 [ 1150.367012][ T73] netlink_unicast+0x449/0x710 [ 1150.367012][ T73] netlink_sendmsg+0x723/0xbe0 [ 1150.367012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1150.367012][ T73] ___sys_sendmsg+0xee/0x170 [ 1150.367012][ T73] __sys_sendmsg+0xcd/0x170 [ 1150.367012][ T73] do_syscall_64+0xc6/0x1e0 [ 1150.367012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.367012][ T73] [ 1160.606942][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1160.607463][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.607463][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1160.607463][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1160.607463][ T73] fib6_nh_init+0xa22/0x1580 [ 1160.607463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.607463][ T73] ip6_route_add+0x1c/0x140 [ 1160.607463][ T73] inet6_rtm_newroute+0x104/0x110 [ 1160.607463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.607463][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.607463][ T73] netlink_unicast+0x449/0x710 [ 1160.607463][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.607463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.607463][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.607463][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.607463][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.607463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.607463][ T73] [ 1160.609579][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.609579][ T73] dst_init+0x84/0x4a0 [ 1160.609579][ T73] dst_alloc+0x97/0x150 [ 1160.609579][ T73] ip6_dst_alloc+0x23/0x90 [ 1160.609579][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1160.609579][ T73] ip6_pol_route+0x56f/0x840 [ 1160.609579][ T73] fib6_rule_lookup+0x456/0x630 [ 1160.609579][ T73] ip6_route_input+0x59c/0xa50 [ 1160.609579][ T73] ipv6_rcv+0x397/0x810 [ 1160.609579][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1160.609579][ T73] process_backlog+0x101/0x620 [ 1160.609579][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1160.609579][ T73] net_rx_action+0x495/0xbe0 [ 1160.609579][ T73] __do_softirq+0x1b5/0x7f6 [ 1160.609579][ T73] [ 1160.611412][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.611412][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.611412][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.611412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.611412][ T73] ip6_route_add+0x1c/0x140 [ 1160.611412][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1160.611412][ T73] inet6_addr_add+0x4f8/0xa40 [ 1160.611412][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.611412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.611412][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.611412][ T73] netlink_unicast+0x449/0x710 [ 1160.611412][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.611412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.611412][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.611412][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.611412][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.611412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.611412][ T73] [ 1160.613630][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.613630][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.613630][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.613630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.613630][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1160.613630][ T73] ipv6_add_addr+0x411/0x2000 [ 1160.613630][ T73] inet6_addr_add+0x30e/0xa40 [ 1160.613630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.613630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.613630][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.613630][ T73] netlink_unicast+0x449/0x710 [ 1160.613630][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.613630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.613630][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.613630][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.613630][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.613630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.613630][ T73] [ 1160.615874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.615874][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.615874][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.615874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.615874][ T73] ip6_route_add+0x1c/0x140 [ 1160.615874][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1160.615874][ T73] addrconf_add_dev+0xe2/0x170 [ 1160.615874][ T73] inet6_addr_add+0x12f/0xa40 [ 1160.615874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.615874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.615874][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.615874][ T73] netlink_unicast+0x449/0x710 [ 1160.615874][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.615874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.615874][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.615874][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.615874][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.615874][ T73] [ 1160.618169][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.618169][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1160.618169][ T73] ipv6_find_idev+0x102/0x170 [ 1160.618169][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.618169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.618169][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.618169][ T73] netlink_unicast+0x449/0x710 [ 1160.618169][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.618169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.618169][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.618169][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.618169][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.618169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.618169][ T73] [ 1160.619891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1160.619891][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1160.619891][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1160.619891][ T73] ipv6_find_idev+0x102/0x170 [ 1160.619891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.619891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.619891][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.619891][ T73] netlink_unicast+0x449/0x710 [ 1160.619891][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.619891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.619891][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.619891][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.619891][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.619891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.619891][ T73] [ 1160.621788][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1160.622090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.622090][ T73] dst_init+0x84/0x4a0 [ 1160.622090][ T73] dst_alloc+0x97/0x150 [ 1160.622090][ T73] ip6_dst_alloc+0x23/0x90 [ 1160.622090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1160.622090][ T73] ip6_pol_route+0x56f/0x840 [ 1160.622090][ T73] fib6_rule_lookup+0x456/0x630 [ 1160.622090][ T73] ip6_route_input+0x59c/0xa50 [ 1160.622090][ T73] ipv6_rcv+0x397/0x810 [ 1160.622090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1160.622090][ T73] process_backlog+0x101/0x620 [ 1160.622090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1160.622090][ T73] net_rx_action+0x495/0xbe0 [ 1160.622090][ T73] __do_softirq+0x1b5/0x7f6 [ 1160.622090][ T73] [ 1160.623911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.623911][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.623911][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.623911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.623911][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1160.623911][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1160.623911][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1160.623911][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1160.623911][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1160.623911][ T73] addrconf_dad_begin+0x310/0x670 [ 1160.623911][ T73] addrconf_dad_work+0x10b/0xab0 [ 1160.623911][ T73] process_one_work+0x84d/0x18a0 [ 1160.623911][ T73] worker_thread+0x587/0xd30 [ 1160.623911][ T73] kthread+0x28a/0x350 [ 1160.623911][ T73] ret_from_fork+0x31/0x70 [ 1160.623911][ T73] ret_from_fork_asm+0x1a/0x30 [ 1160.623911][ T73] [ 1160.626035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.626035][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.626035][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.626035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.626035][ T73] ip6_route_add+0x1c/0x140 [ 1160.626035][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1160.626035][ T73] inet6_addr_add+0x4f8/0xa40 [ 1160.626035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.626035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.626035][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.626035][ T73] netlink_unicast+0x449/0x710 [ 1160.626035][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.626035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.626035][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.626035][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.626035][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.626035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.626035][ T73] [ 1160.628252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.628252][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.628252][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.628252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.628252][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1160.628252][ T73] ipv6_add_addr+0x411/0x2000 [ 1160.628252][ T73] inet6_addr_add+0x30e/0xa40 [ 1160.628252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.628252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.628252][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.628252][ T73] netlink_unicast+0x449/0x710 [ 1160.628252][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.628252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.628252][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.628252][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.628252][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.628252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.628252][ T73] [ 1160.630465][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.630465][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.630465][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.630465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.630465][ T73] ip6_route_add+0x1c/0x140 [ 1160.630465][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1160.630465][ T73] addrconf_add_dev+0xe2/0x170 [ 1160.630465][ T73] inet6_addr_add+0x12f/0xa40 [ 1160.630465][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.630465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.630465][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.630465][ T73] netlink_unicast+0x449/0x710 [ 1160.630465][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.630465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.630465][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.630465][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.630465][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.630465][ T73] [ 1160.632652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.632652][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1160.632652][ T73] ipv6_find_idev+0x102/0x170 [ 1160.632652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.632652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.632652][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.632652][ T73] netlink_unicast+0x449/0x710 [ 1160.632652][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.632652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.632652][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.632652][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.632652][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.632652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.632652][ T73] [ 1160.634369][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1160.634369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1160.634369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1160.634369][ T73] ipv6_find_idev+0x102/0x170 [ 1160.634369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.634369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.634369][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.634369][ T73] netlink_unicast+0x449/0x710 [ 1160.634369][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.634369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.634369][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.634369][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.634369][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.634369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.634369][ T73] [ 1160.636376][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1160.636684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.636684][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1160.636684][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1160.636684][ T73] fib6_nh_init+0xa22/0x1580 [ 1160.636684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.636684][ T73] ip6_route_add+0x1c/0x140 [ 1160.636684][ T73] inet6_rtm_newroute+0x104/0x110 [ 1160.636684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.636684][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.636684][ T73] netlink_unicast+0x449/0x710 [ 1160.636684][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.636684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.636684][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.636684][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.636684][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.636684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.636684][ T73] [ 1160.639072][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.639072][ T73] dst_init+0x84/0x4a0 [ 1160.639072][ T73] dst_alloc+0x97/0x150 [ 1160.639072][ T73] ip6_dst_alloc+0x23/0x90 [ 1160.639072][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1160.639072][ T73] ip6_pol_route+0x56f/0x840 [ 1160.639072][ T73] fib6_rule_lookup+0x456/0x630 [ 1160.639072][ T73] ip6_route_input+0x59c/0xa50 [ 1160.639072][ T73] ipv6_rcv+0x397/0x810 [ 1160.639072][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1160.639072][ T73] process_backlog+0x101/0x620 [ 1160.639072][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1160.639072][ T73] net_rx_action+0x495/0xbe0 [ 1160.639072][ T73] __do_softirq+0x1b5/0x7f6 [ 1160.639072][ T73] [ 1160.641086][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.641086][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.641086][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.641086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.641086][ T73] ip6_route_add+0x1c/0x140 [ 1160.641086][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1160.641086][ T73] inet6_addr_add+0x4f8/0xa40 [ 1160.641086][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.641086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.641086][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.641086][ T73] netlink_unicast+0x449/0x710 [ 1160.641086][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.641086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.641086][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.641086][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.641086][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.641086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.641086][ T73] [ 1160.643561][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.643561][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.643561][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.643561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.643561][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1160.643561][ T73] ipv6_add_addr+0x411/0x2000 [ 1160.643561][ T73] inet6_addr_add+0x30e/0xa40 [ 1160.643561][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.643561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.643561][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.643561][ T73] netlink_unicast+0x449/0x710 [ 1160.643561][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.643561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.643561][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.643561][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.643561][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.643561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.643561][ T73] [ 1160.646026][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.646026][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.646026][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.646026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.646026][ T73] ip6_route_add+0x1c/0x140 [ 1160.646026][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1160.646026][ T73] addrconf_add_dev+0xe2/0x170 [ 1160.646026][ T73] inet6_addr_add+0x12f/0xa40 [ 1160.646026][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.646026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.646026][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.646026][ T73] netlink_unicast+0x449/0x710 [ 1160.646026][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.646026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.646026][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.646026][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.646026][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.646026][ T73] [ 1160.648533][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.648533][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1160.648533][ T73] ipv6_find_idev+0x102/0x170 [ 1160.648533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.648533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.648533][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.648533][ T73] netlink_unicast+0x449/0x710 [ 1160.648533][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.648533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.648533][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.648533][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.648533][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.648533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.648533][ T73] [ 1160.650368][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1160.650368][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1160.650368][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1160.650368][ T73] ipv6_find_idev+0x102/0x170 [ 1160.650368][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.650368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.650368][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.650368][ T73] netlink_unicast+0x449/0x710 [ 1160.650368][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.650368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.650368][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.650368][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.650368][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.650368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.650368][ T73] [ 1160.652735][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1160.653751][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1160.653751][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.653751][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.653751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.653751][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1160.653751][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1160.653751][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1160.653751][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1160.653751][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1160.653751][ T73] addrconf_dad_begin+0x310/0x670 [ 1160.653751][ T73] addrconf_dad_work+0x10b/0xab0 [ 1160.653751][ T73] process_one_work+0x84d/0x18a0 [ 1160.653751][ T73] worker_thread+0x587/0xd30 [ 1160.653751][ T73] kthread+0x28a/0x350 [ 1160.653751][ T73] ret_from_fork+0x31/0x70 [ 1160.653751][ T73] ret_from_fork_asm+0x1a/0x30 [ 1160.653751][ T73] [ 1160.656806][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1160.656806][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.656806][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.656806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.656806][ T73] ip6_route_add+0x1c/0x140 [ 1160.656806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1160.656806][ T73] inet6_addr_add+0x4f8/0xa40 [ 1160.656806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.656806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.656806][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.656806][ T73] netlink_unicast+0x449/0x710 [ 1160.656806][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.656806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.656806][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.656806][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.656806][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.656806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.656806][ T73] [ 1160.660162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1160.660162][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.660162][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.660162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.660162][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1160.660162][ T73] ipv6_add_addr+0x411/0x2000 [ 1160.660162][ T73] inet6_addr_add+0x30e/0xa40 [ 1160.660162][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.660162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.660162][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.660162][ T73] netlink_unicast+0x449/0x710 [ 1160.660162][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.660162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.660162][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.660162][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.660162][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.660162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.660162][ T73] [ 1160.663699][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1160.663699][ T73] netdev_get_by_index+0x5e/0x80 [ 1160.663699][ T73] fib6_nh_init+0x3d8/0x1580 [ 1160.663699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1160.663699][ T73] ip6_route_add+0x1c/0x140 [ 1160.663699][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1160.663699][ T73] addrconf_add_dev+0xe2/0x170 [ 1160.663699][ T73] inet6_addr_add+0x12f/0xa40 [ 1160.663699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.663699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.663699][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.663699][ T73] netlink_unicast+0x449/0x710 [ 1160.663699][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.663699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.663699][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.663699][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.663699][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.663699][ T73] [ 1160.667653][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1160.667653][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1160.667653][ T73] ipv6_find_idev+0x102/0x170 [ 1160.667653][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.667653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.667653][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.667653][ T73] netlink_unicast+0x449/0x710 [ 1160.667653][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.667653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.667653][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.667653][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.667653][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.667653][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.667653][ T73] [ 1160.670538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1160.670538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1160.670538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1160.670538][ T73] ipv6_find_idev+0x102/0x170 [ 1160.670538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.670538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.670538][ T73] netlink_rcv_skb+0x130/0x360 [ 1160.670538][ T73] netlink_unicast+0x449/0x710 [ 1160.670538][ T73] netlink_sendmsg+0x723/0xbe0 [ 1160.670538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1160.670538][ T73] ___sys_sendmsg+0xee/0x170 [ 1160.670538][ T73] __sys_sendmsg+0xcd/0x170 [ 1160.670538][ T73] do_syscall_64+0xc6/0x1e0 [ 1160.670538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.670538][ T73] [ 1170.910904][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1170.911562][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.911562][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1170.911562][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1170.911562][ T73] fib6_nh_init+0xa22/0x1580 [ 1170.911562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.911562][ T73] ip6_route_add+0x1c/0x140 [ 1170.911562][ T73] inet6_rtm_newroute+0x104/0x110 [ 1170.911562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.911562][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.911562][ T73] netlink_unicast+0x449/0x710 [ 1170.911562][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.911562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.911562][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.911562][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.911562][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.911562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.911562][ T73] [ 1170.914646][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.914646][ T73] dst_init+0x84/0x4a0 [ 1170.914646][ T73] dst_alloc+0x97/0x150 [ 1170.914646][ T73] ip6_dst_alloc+0x23/0x90 [ 1170.914646][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1170.914646][ T73] ip6_pol_route+0x56f/0x840 [ 1170.914646][ T73] fib6_rule_lookup+0x456/0x630 [ 1170.914646][ T73] ip6_route_input+0x59c/0xa50 [ 1170.914646][ T73] ipv6_rcv+0x397/0x810 [ 1170.914646][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1170.914646][ T73] process_backlog+0x101/0x620 [ 1170.914646][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1170.914646][ T73] net_rx_action+0x495/0xbe0 [ 1170.914646][ T73] __do_softirq+0x1b5/0x7f6 [ 1170.914646][ T73] [ 1170.917352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.917352][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.917352][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.917352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.917352][ T73] ip6_route_add+0x1c/0x140 [ 1170.917352][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1170.917352][ T73] inet6_addr_add+0x4f8/0xa40 [ 1170.917352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.917352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.917352][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.917352][ T73] netlink_unicast+0x449/0x710 [ 1170.917352][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.917352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.917352][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.917352][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.917352][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.917352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.917352][ T73] [ 1170.920673][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.920673][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.920673][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.920673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.920673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1170.920673][ T73] ipv6_add_addr+0x411/0x2000 [ 1170.920673][ T73] inet6_addr_add+0x30e/0xa40 [ 1170.920673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.920673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.920673][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.920673][ T73] netlink_unicast+0x449/0x710 [ 1170.920673][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.920673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.920673][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.920673][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.920673][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.920673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.920673][ T73] [ 1170.924027][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.924027][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.924027][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.924027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.924027][ T73] ip6_route_add+0x1c/0x140 [ 1170.924027][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1170.924027][ T73] addrconf_add_dev+0xe2/0x170 [ 1170.924027][ T73] inet6_addr_add+0x12f/0xa40 [ 1170.924027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.924027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.924027][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.924027][ T73] netlink_unicast+0x449/0x710 [ 1170.924027][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.924027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.924027][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.924027][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.924027][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.924027][ T73] [ 1170.927165][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.927165][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1170.927165][ T73] ipv6_find_idev+0x102/0x170 [ 1170.927165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.927165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.927165][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.927165][ T73] netlink_unicast+0x449/0x710 [ 1170.927165][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.927165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.927165][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.927165][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.927165][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.927165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.927165][ T73] [ 1170.929597][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1170.929597][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1170.929597][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1170.929597][ T73] ipv6_find_idev+0x102/0x170 [ 1170.929597][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.929597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.929597][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.929597][ T73] netlink_unicast+0x449/0x710 [ 1170.929597][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.929597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.929597][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.929597][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.929597][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.929597][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.929597][ T73] [ 1170.932337][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1170.932792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.932792][ T73] dst_init+0x84/0x4a0 [ 1170.932792][ T73] dst_alloc+0x97/0x150 [ 1170.932792][ T73] ip6_dst_alloc+0x23/0x90 [ 1170.932792][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1170.932792][ T73] ip6_pol_route+0x56f/0x840 [ 1170.932792][ T73] fib6_rule_lookup+0x456/0x630 [ 1170.932792][ T73] ip6_route_input+0x59c/0xa50 [ 1170.932792][ T73] ipv6_rcv+0x397/0x810 [ 1170.932792][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1170.932792][ T73] process_backlog+0x101/0x620 [ 1170.932792][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1170.932792][ T73] net_rx_action+0x495/0xbe0 [ 1170.932792][ T73] __do_softirq+0x1b5/0x7f6 [ 1170.932792][ T73] [ 1170.935509][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.935509][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.935509][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.935509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.935509][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1170.935509][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1170.935509][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1170.935509][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1170.935509][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1170.935509][ T73] addrconf_dad_begin+0x310/0x670 [ 1170.935509][ T73] addrconf_dad_work+0x10b/0xab0 [ 1170.935509][ T73] process_one_work+0x84d/0x18a0 [ 1170.935509][ T73] worker_thread+0x587/0xd30 [ 1170.935509][ T73] kthread+0x28a/0x350 [ 1170.935509][ T73] ret_from_fork+0x31/0x70 [ 1170.935509][ T73] ret_from_fork_asm+0x1a/0x30 [ 1170.935509][ T73] [ 1170.938671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.938671][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.938671][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.938671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.938671][ T73] ip6_route_add+0x1c/0x140 [ 1170.938671][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1170.938671][ T73] inet6_addr_add+0x4f8/0xa40 [ 1170.938671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.938671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.938671][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.938671][ T73] netlink_unicast+0x449/0x710 [ 1170.938671][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.938671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.938671][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.938671][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.938671][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.938671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.938671][ T73] [ 1170.941947][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.941947][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.941947][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.941947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.941947][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1170.941947][ T73] ipv6_add_addr+0x411/0x2000 [ 1170.941947][ T73] inet6_addr_add+0x30e/0xa40 [ 1170.941947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.941947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.941947][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.941947][ T73] netlink_unicast+0x449/0x710 [ 1170.941947][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.941947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.941947][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.941947][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.941947][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.941947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.941947][ T73] [ 1170.945284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.945284][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.945284][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.945284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.945284][ T73] ip6_route_add+0x1c/0x140 [ 1170.945284][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1170.945284][ T73] addrconf_add_dev+0xe2/0x170 [ 1170.945284][ T73] inet6_addr_add+0x12f/0xa40 [ 1170.945284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.945284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.945284][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.945284][ T73] netlink_unicast+0x449/0x710 [ 1170.945284][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.945284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.945284][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.945284][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.945284][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.945284][ T73] [ 1170.948578][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.948578][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1170.948578][ T73] ipv6_find_idev+0x102/0x170 [ 1170.948578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.948578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.948578][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.948578][ T73] netlink_unicast+0x449/0x710 [ 1170.948578][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.948578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.948578][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.948578][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.948578][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.948578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.948578][ T73] [ 1170.951116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1170.951116][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1170.951116][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1170.951116][ T73] ipv6_find_idev+0x102/0x170 [ 1170.951116][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.951116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.951116][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.951116][ T73] netlink_unicast+0x449/0x710 [ 1170.951116][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.951116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.951116][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.951116][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.951116][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.951116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.951116][ T73] [ 1170.953661][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1170.953986][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.953986][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1170.953986][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1170.953986][ T73] fib6_nh_init+0xa22/0x1580 [ 1170.953986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.953986][ T73] ip6_route_add+0x1c/0x140 [ 1170.953986][ T73] inet6_rtm_newroute+0x104/0x110 [ 1170.953986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.953986][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.953986][ T73] netlink_unicast+0x449/0x710 [ 1170.953986][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.953986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.953986][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.953986][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.953986][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.953986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.953986][ T73] [ 1170.956347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.956347][ T73] dst_init+0x84/0x4a0 [ 1170.956347][ T73] dst_alloc+0x97/0x150 [ 1170.956347][ T73] ip6_dst_alloc+0x23/0x90 [ 1170.956347][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1170.956347][ T73] ip6_pol_route+0x56f/0x840 [ 1170.956347][ T73] fib6_rule_lookup+0x456/0x630 [ 1170.956347][ T73] ip6_route_input+0x59c/0xa50 [ 1170.956347][ T73] ipv6_rcv+0x397/0x810 [ 1170.956347][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1170.956347][ T73] process_backlog+0x101/0x620 [ 1170.956347][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1170.956347][ T73] net_rx_action+0x495/0xbe0 [ 1170.956347][ T73] __do_softirq+0x1b5/0x7f6 [ 1170.956347][ T73] [ 1170.958370][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.958370][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.958370][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.958370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.958370][ T73] ip6_route_add+0x1c/0x140 [ 1170.958370][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1170.958370][ T73] inet6_addr_add+0x4f8/0xa40 [ 1170.958370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.958370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.958370][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.958370][ T73] netlink_unicast+0x449/0x710 [ 1170.958370][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.958370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.958370][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.958370][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.958370][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.958370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.958370][ T73] [ 1170.960897][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.960897][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.960897][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.960897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.960897][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1170.960897][ T73] ipv6_add_addr+0x411/0x2000 [ 1170.960897][ T73] inet6_addr_add+0x30e/0xa40 [ 1170.960897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.960897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.960897][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.960897][ T73] netlink_unicast+0x449/0x710 [ 1170.960897][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.960897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.960897][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.960897][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.960897][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.960897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.960897][ T73] [ 1170.963827][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.963827][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.963827][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.963827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.963827][ T73] ip6_route_add+0x1c/0x140 [ 1170.963827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1170.963827][ T73] addrconf_add_dev+0xe2/0x170 [ 1170.963827][ T73] inet6_addr_add+0x12f/0xa40 [ 1170.963827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.963827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.963827][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.963827][ T73] netlink_unicast+0x449/0x710 [ 1170.963827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.963827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.963827][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.963827][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.963827][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.963827][ T73] [ 1170.966297][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.966297][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1170.966297][ T73] ipv6_find_idev+0x102/0x170 [ 1170.966297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.966297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.966297][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.966297][ T73] netlink_unicast+0x449/0x710 [ 1170.966297][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.966297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.966297][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.966297][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.966297][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.966297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.966297][ T73] [ 1170.968813][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1170.968813][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1170.968813][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1170.968813][ T73] ipv6_find_idev+0x102/0x170 [ 1170.968813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.968813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.968813][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.968813][ T73] netlink_unicast+0x449/0x710 [ 1170.968813][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.968813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.968813][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.968813][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.968813][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.968813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.968813][ T73] [ 1170.971548][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1170.972317][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1170.972317][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.972317][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.972317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.972317][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1170.972317][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1170.972317][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1170.972317][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1170.972317][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1170.972317][ T73] addrconf_dad_begin+0x310/0x670 [ 1170.972317][ T73] addrconf_dad_work+0x10b/0xab0 [ 1170.972317][ T73] process_one_work+0x84d/0x18a0 [ 1170.972317][ T73] worker_thread+0x587/0xd30 [ 1170.972317][ T73] kthread+0x28a/0x350 [ 1170.972317][ T73] ret_from_fork+0x31/0x70 [ 1170.972317][ T73] ret_from_fork_asm+0x1a/0x30 [ 1170.972317][ T73] [ 1170.974472][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1170.974472][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.974472][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.974472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.974472][ T73] ip6_route_add+0x1c/0x140 [ 1170.974472][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1170.974472][ T73] inet6_addr_add+0x4f8/0xa40 [ 1170.974472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.974472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.974472][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.974472][ T73] netlink_unicast+0x449/0x710 [ 1170.974472][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.974472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.974472][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.974472][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.974472][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.974472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.974472][ T73] [ 1170.976962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1170.976962][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.976962][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.976962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.976962][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1170.976962][ T73] ipv6_add_addr+0x411/0x2000 [ 1170.976962][ T73] inet6_addr_add+0x30e/0xa40 [ 1170.976962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.976962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.976962][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.976962][ T73] netlink_unicast+0x449/0x710 [ 1170.976962][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.976962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.976962][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.976962][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.976962][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.976962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.976962][ T73] [ 1170.979490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1170.979490][ T73] netdev_get_by_index+0x5e/0x80 [ 1170.979490][ T73] fib6_nh_init+0x3d8/0x1580 [ 1170.979490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1170.979490][ T73] ip6_route_add+0x1c/0x140 [ 1170.979490][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1170.979490][ T73] addrconf_add_dev+0xe2/0x170 [ 1170.979490][ T73] inet6_addr_add+0x12f/0xa40 [ 1170.979490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.979490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.979490][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.979490][ T73] netlink_unicast+0x449/0x710 [ 1170.979490][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.979490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.979490][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.979490][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.979490][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.979490][ T73] [ 1170.981876][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1170.981876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1170.981876][ T73] ipv6_find_idev+0x102/0x170 [ 1170.981876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.981876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.981876][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.981876][ T73] netlink_unicast+0x449/0x710 [ 1170.981876][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.981876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.981876][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.981876][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.981876][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.981876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.981876][ T73] [ 1170.983807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1170.983807][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1170.983807][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1170.983807][ T73] ipv6_find_idev+0x102/0x170 [ 1170.983807][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.983807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.983807][ T73] netlink_rcv_skb+0x130/0x360 [ 1170.983807][ T73] netlink_unicast+0x449/0x710 [ 1170.983807][ T73] netlink_sendmsg+0x723/0xbe0 [ 1170.983807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1170.983807][ T73] ___sys_sendmsg+0xee/0x170 [ 1170.983807][ T73] __sys_sendmsg+0xcd/0x170 [ 1170.983807][ T73] do_syscall_64+0xc6/0x1e0 [ 1170.983807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.983807][ T73] [ 1181.222912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1181.223433][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.223433][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1181.223433][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1181.223433][ T73] fib6_nh_init+0xa22/0x1580 [ 1181.223433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.223433][ T73] ip6_route_add+0x1c/0x140 [ 1181.223433][ T73] inet6_rtm_newroute+0x104/0x110 [ 1181.223433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.223433][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.223433][ T73] netlink_unicast+0x449/0x710 [ 1181.223433][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.223433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.223433][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.223433][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.223433][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.223433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.223433][ T73] [ 1181.225552][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.225552][ T73] dst_init+0x84/0x4a0 [ 1181.225552][ T73] dst_alloc+0x97/0x150 [ 1181.225552][ T73] ip6_dst_alloc+0x23/0x90 [ 1181.225552][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1181.225552][ T73] ip6_pol_route+0x56f/0x840 [ 1181.225552][ T73] fib6_rule_lookup+0x456/0x630 [ 1181.225552][ T73] ip6_route_input+0x59c/0xa50 [ 1181.225552][ T73] ipv6_rcv+0x397/0x810 [ 1181.225552][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1181.225552][ T73] process_backlog+0x101/0x620 [ 1181.225552][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1181.225552][ T73] net_rx_action+0x495/0xbe0 [ 1181.225552][ T73] __do_softirq+0x1b5/0x7f6 [ 1181.225552][ T73] [ 1181.227483][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.227483][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.227483][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.227483][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.227483][ T73] ip6_route_add+0x1c/0x140 [ 1181.227483][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1181.227483][ T73] inet6_addr_add+0x4f8/0xa40 [ 1181.227483][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.227483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.227483][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.227483][ T73] netlink_unicast+0x449/0x710 [ 1181.227483][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.227483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.227483][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.227483][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.227483][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.227483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.227483][ T73] [ 1181.230112][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.230112][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.230112][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.230112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.230112][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1181.230112][ T73] ipv6_add_addr+0x411/0x2000 [ 1181.230112][ T73] inet6_addr_add+0x30e/0xa40 [ 1181.230112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.230112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.230112][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.230112][ T73] netlink_unicast+0x449/0x710 [ 1181.230112][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.230112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.230112][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.230112][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.230112][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.230112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.230112][ T73] [ 1181.232340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.232340][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.232340][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.232340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.232340][ T73] ip6_route_add+0x1c/0x140 [ 1181.232340][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1181.232340][ T73] addrconf_add_dev+0xe2/0x170 [ 1181.232340][ T73] inet6_addr_add+0x12f/0xa40 [ 1181.232340][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.232340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.232340][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.232340][ T73] netlink_unicast+0x449/0x710 [ 1181.232340][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.232340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.232340][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.232340][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.232340][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.232340][ T73] [ 1181.234538][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.234538][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1181.234538][ T73] ipv6_find_idev+0x102/0x170 [ 1181.234538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.234538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.234538][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.234538][ T73] netlink_unicast+0x449/0x710 [ 1181.234538][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.234538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.234538][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.234538][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.234538][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.234538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.234538][ T73] [ 1181.236257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1181.236257][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1181.236257][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1181.236257][ T73] ipv6_find_idev+0x102/0x170 [ 1181.236257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.236257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.236257][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.236257][ T73] netlink_unicast+0x449/0x710 [ 1181.236257][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.236257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.236257][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.236257][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.236257][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.236257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.236257][ T73] [ 1181.238138][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1181.238433][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.238433][ T73] dst_init+0x84/0x4a0 [ 1181.238433][ T73] dst_alloc+0x97/0x150 [ 1181.238433][ T73] ip6_dst_alloc+0x23/0x90 [ 1181.238433][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1181.238433][ T73] ip6_pol_route+0x56f/0x840 [ 1181.238433][ T73] fib6_rule_lookup+0x456/0x630 [ 1181.238433][ T73] ip6_route_input+0x59c/0xa50 [ 1181.238433][ T73] ipv6_rcv+0x397/0x810 [ 1181.238433][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1181.238433][ T73] process_backlog+0x101/0x620 [ 1181.238433][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1181.238433][ T73] net_rx_action+0x495/0xbe0 [ 1181.238433][ T73] __do_softirq+0x1b5/0x7f6 [ 1181.238433][ T73] [ 1181.240257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.240257][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.240257][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.240257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.240257][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1181.240257][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1181.240257][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1181.240257][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1181.240257][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1181.240257][ T73] addrconf_dad_begin+0x310/0x670 [ 1181.240257][ T73] addrconf_dad_work+0x10b/0xab0 [ 1181.240257][ T73] process_one_work+0x84d/0x18a0 [ 1181.240257][ T73] worker_thread+0x587/0xd30 [ 1181.240257][ T73] kthread+0x28a/0x350 [ 1181.240257][ T73] ret_from_fork+0x31/0x70 [ 1181.240257][ T73] ret_from_fork_asm+0x1a/0x30 [ 1181.240257][ T73] [ 1181.242395][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.242395][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.242395][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.242395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.242395][ T73] ip6_route_add+0x1c/0x140 [ 1181.242395][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1181.242395][ T73] inet6_addr_add+0x4f8/0xa40 [ 1181.242395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.242395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.242395][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.242395][ T73] netlink_unicast+0x449/0x710 [ 1181.242395][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.242395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.242395][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.242395][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.242395][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.242395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.242395][ T73] [ 1181.244626][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.244626][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.244626][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.244626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.244626][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1181.244626][ T73] ipv6_add_addr+0x411/0x2000 [ 1181.244626][ T73] inet6_addr_add+0x30e/0xa40 [ 1181.244626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.244626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.244626][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.244626][ T73] netlink_unicast+0x449/0x710 [ 1181.244626][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.244626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.244626][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.244626][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.244626][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.244626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.244626][ T73] [ 1181.246850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.246850][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.246850][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.246850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.246850][ T73] ip6_route_add+0x1c/0x140 [ 1181.246850][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1181.246850][ T73] addrconf_add_dev+0xe2/0x170 [ 1181.246850][ T73] inet6_addr_add+0x12f/0xa40 [ 1181.246850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.246850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.246850][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.246850][ T73] netlink_unicast+0x449/0x710 [ 1181.246850][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.246850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.246850][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.246850][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.246850][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.246850][ T73] [ 1181.249045][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.249045][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1181.249045][ T73] ipv6_find_idev+0x102/0x170 [ 1181.249045][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.249045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.249045][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.249045][ T73] netlink_unicast+0x449/0x710 [ 1181.249045][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.249045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.249045][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.249045][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.249045][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.249045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.249045][ T73] [ 1181.250761][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1181.250761][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1181.250761][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1181.250761][ T73] ipv6_find_idev+0x102/0x170 [ 1181.250761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.250761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.250761][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.250761][ T73] netlink_unicast+0x449/0x710 [ 1181.250761][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.250761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.250761][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.250761][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.250761][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.250761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.250761][ T73] [ 1181.252796][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1181.253085][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.253085][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1181.253085][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1181.253085][ T73] fib6_nh_init+0xa22/0x1580 [ 1181.253085][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.253085][ T73] ip6_route_add+0x1c/0x140 [ 1181.253085][ T73] inet6_rtm_newroute+0x104/0x110 [ 1181.253085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.253085][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.253085][ T73] netlink_unicast+0x449/0x710 [ 1181.253085][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.253085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.253085][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.253085][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.253085][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.253085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.253085][ T73] [ 1181.255438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.255438][ T73] dst_init+0x84/0x4a0 [ 1181.255438][ T73] dst_alloc+0x97/0x150 [ 1181.255438][ T73] ip6_dst_alloc+0x23/0x90 [ 1181.255438][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1181.255438][ T73] ip6_pol_route+0x56f/0x840 [ 1181.255438][ T73] fib6_rule_lookup+0x456/0x630 [ 1181.255438][ T73] ip6_route_input+0x59c/0xa50 [ 1181.255438][ T73] ipv6_rcv+0x397/0x810 [ 1181.255438][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1181.255438][ T73] process_backlog+0x101/0x620 [ 1181.255438][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1181.255438][ T73] net_rx_action+0x495/0xbe0 [ 1181.255438][ T73] __do_softirq+0x1b5/0x7f6 [ 1181.255438][ T73] [ 1181.257499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.257499][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.257499][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.257499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.257499][ T73] ip6_route_add+0x1c/0x140 [ 1181.257499][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1181.257499][ T73] inet6_addr_add+0x4f8/0xa40 [ 1181.257499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.257499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.257499][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.257499][ T73] netlink_unicast+0x449/0x710 [ 1181.257499][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.257499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.257499][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.257499][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.257499][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.257499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.257499][ T73] [ 1181.259961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.259961][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.259961][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.259961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.259961][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1181.259961][ T73] ipv6_add_addr+0x411/0x2000 [ 1181.259961][ T73] inet6_addr_add+0x30e/0xa40 [ 1181.259961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.259961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.259961][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.259961][ T73] netlink_unicast+0x449/0x710 [ 1181.259961][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.259961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.259961][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.259961][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.259961][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.259961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.259961][ T73] [ 1181.262433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.262433][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.262433][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.262433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.262433][ T73] ip6_route_add+0x1c/0x140 [ 1181.262433][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1181.262433][ T73] addrconf_add_dev+0xe2/0x170 [ 1181.262433][ T73] inet6_addr_add+0x12f/0xa40 [ 1181.262433][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.262433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.262433][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.262433][ T73] netlink_unicast+0x449/0x710 [ 1181.262433][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.262433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.262433][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.262433][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.262433][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.262433][ T73] [ 1181.264879][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.264879][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1181.264879][ T73] ipv6_find_idev+0x102/0x170 [ 1181.264879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.264879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.264879][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.264879][ T73] netlink_unicast+0x449/0x710 [ 1181.264879][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.264879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.264879][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.264879][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.264879][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.264879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.264879][ T73] [ 1181.266712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1181.266712][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1181.266712][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1181.266712][ T73] ipv6_find_idev+0x102/0x170 [ 1181.266712][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.266712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.266712][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.266712][ T73] netlink_unicast+0x449/0x710 [ 1181.266712][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.266712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.266712][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.266712][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.266712][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.266712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.266712][ T73] [ 1181.268906][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1181.269200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1181.269200][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.269200][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.269200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.269200][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1181.269200][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1181.269200][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1181.269200][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1181.269200][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1181.269200][ T73] addrconf_dad_begin+0x310/0x670 [ 1181.269200][ T73] addrconf_dad_work+0x10b/0xab0 [ 1181.269200][ T73] process_one_work+0x84d/0x18a0 [ 1181.269200][ T73] worker_thread+0x587/0xd30 [ 1181.269200][ T73] kthread+0x28a/0x350 [ 1181.269200][ T73] ret_from_fork+0x31/0x70 [ 1181.269200][ T73] ret_from_fork_asm+0x1a/0x30 [ 1181.269200][ T73] [ 1181.271655][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1181.271655][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.271655][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.271655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.271655][ T73] ip6_route_add+0x1c/0x140 [ 1181.271655][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1181.271655][ T73] inet6_addr_add+0x4f8/0xa40 [ 1181.271655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.271655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.271655][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.271655][ T73] netlink_unicast+0x449/0x710 [ 1181.271655][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.271655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.271655][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.271655][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.271655][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.271655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.271655][ T73] [ 1181.274136][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1181.274136][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.274136][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.274136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.274136][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1181.274136][ T73] ipv6_add_addr+0x411/0x2000 [ 1181.274136][ T73] inet6_addr_add+0x30e/0xa40 [ 1181.274136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.274136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.274136][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.274136][ T73] netlink_unicast+0x449/0x710 [ 1181.274136][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.274136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.274136][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.274136][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.274136][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.274136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.274136][ T73] [ 1181.276558][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1181.276558][ T73] netdev_get_by_index+0x5e/0x80 [ 1181.276558][ T73] fib6_nh_init+0x3d8/0x1580 [ 1181.276558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1181.276558][ T73] ip6_route_add+0x1c/0x140 [ 1181.276558][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1181.276558][ T73] addrconf_add_dev+0xe2/0x170 [ 1181.276558][ T73] inet6_addr_add+0x12f/0xa40 [ 1181.276558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1181.276558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.276558][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.276558][ T73] netlink_unicast+0x449/0x710 [ 1181.276558][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.276558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.276558][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.276558][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.276558][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.276558][ T73] [ 1181.279044][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1181.279044][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1181.279044][ T73] ipv6_find_idev+0x102/0x170 [ 1181.279044][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.279044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.279044][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.279044][ T73] netlink_unicast+0x449/0x710 [ 1181.279044][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.279044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.279044][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.279044][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.279044][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.279044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.279044][ T73] [ 1181.280924][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1181.280924][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1181.280924][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1181.280924][ T73] ipv6_find_idev+0x102/0x170 [ 1181.280924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1181.280924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1181.280924][ T73] netlink_rcv_skb+0x130/0x360 [ 1181.280924][ T73] netlink_unicast+0x449/0x710 [ 1181.280924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1181.280924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1181.280924][ T73] ___sys_sendmsg+0xee/0x170 [ 1181.280924][ T73] __sys_sendmsg+0xcd/0x170 [ 1181.280924][ T73] do_syscall_64+0xc6/0x1e0 [ 1181.280924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1181.280924][ T73] [ 1191.518944][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1191.519496][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.519496][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1191.519496][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1191.519496][ T73] fib6_nh_init+0xa22/0x1580 [ 1191.519496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.519496][ T73] ip6_route_add+0x1c/0x140 [ 1191.519496][ T73] inet6_rtm_newroute+0x104/0x110 [ 1191.519496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.519496][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.519496][ T73] netlink_unicast+0x449/0x710 [ 1191.519496][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.519496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.519496][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.519496][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.519496][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.519496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.519496][ T73] [ 1191.521602][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.521602][ T73] dst_init+0x84/0x4a0 [ 1191.521602][ T73] dst_alloc+0x97/0x150 [ 1191.521602][ T73] ip6_dst_alloc+0x23/0x90 [ 1191.521602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1191.521602][ T73] ip6_pol_route+0x56f/0x840 [ 1191.521602][ T73] fib6_rule_lookup+0x456/0x630 [ 1191.521602][ T73] ip6_route_input+0x59c/0xa50 [ 1191.521602][ T73] ipv6_rcv+0x397/0x810 [ 1191.521602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1191.521602][ T73] process_backlog+0x101/0x620 [ 1191.521602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1191.521602][ T73] net_rx_action+0x495/0xbe0 [ 1191.521602][ T73] __do_softirq+0x1b5/0x7f6 [ 1191.521602][ T73] [ 1191.523439][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.523439][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.523439][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.523439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.523439][ T73] ip6_route_add+0x1c/0x140 [ 1191.523439][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1191.523439][ T73] inet6_addr_add+0x4f8/0xa40 [ 1191.523439][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.523439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.523439][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.523439][ T73] netlink_unicast+0x449/0x710 [ 1191.523439][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.523439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.523439][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.523439][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.523439][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.523439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.523439][ T73] [ 1191.525691][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.525691][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.525691][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.525691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.525691][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1191.525691][ T73] ipv6_add_addr+0x411/0x2000 [ 1191.525691][ T73] inet6_addr_add+0x30e/0xa40 [ 1191.525691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.525691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.525691][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.525691][ T73] netlink_unicast+0x449/0x710 [ 1191.525691][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.525691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.525691][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.525691][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.525691][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.525691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.525691][ T73] [ 1191.527898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.527898][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.527898][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.527898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.527898][ T73] ip6_route_add+0x1c/0x140 [ 1191.527898][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1191.527898][ T73] addrconf_add_dev+0xe2/0x170 [ 1191.527898][ T73] inet6_addr_add+0x12f/0xa40 [ 1191.527898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.527898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.527898][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.527898][ T73] netlink_unicast+0x449/0x710 [ 1191.527898][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.527898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.527898][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.527898][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.527898][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.527898][ T73] [ 1191.530074][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.530074][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1191.530074][ T73] ipv6_find_idev+0x102/0x170 [ 1191.530074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.530074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.530074][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.530074][ T73] netlink_unicast+0x449/0x710 [ 1191.530074][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.530074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.530074][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.530074][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.530074][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.530074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.530074][ T73] [ 1191.531786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1191.531786][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1191.531786][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1191.531786][ T73] ipv6_find_idev+0x102/0x170 [ 1191.531786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.531786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.531786][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.531786][ T73] netlink_unicast+0x449/0x710 [ 1191.531786][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.531786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.531786][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.531786][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.531786][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.531786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.531786][ T73] [ 1191.533664][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1191.533979][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.533979][ T73] dst_init+0x84/0x4a0 [ 1191.533979][ T73] dst_alloc+0x97/0x150 [ 1191.533979][ T73] ip6_dst_alloc+0x23/0x90 [ 1191.533979][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1191.533979][ T73] ip6_pol_route+0x56f/0x840 [ 1191.533979][ T73] fib6_rule_lookup+0x456/0x630 [ 1191.533979][ T73] ip6_route_input+0x59c/0xa50 [ 1191.533979][ T73] ipv6_rcv+0x397/0x810 [ 1191.533979][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1191.533979][ T73] process_backlog+0x101/0x620 [ 1191.533979][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1191.533979][ T73] net_rx_action+0x495/0xbe0 [ 1191.533979][ T73] __do_softirq+0x1b5/0x7f6 [ 1191.533979][ T73] [ 1191.535812][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.535812][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.535812][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.535812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.535812][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1191.535812][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1191.535812][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1191.535812][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1191.535812][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1191.535812][ T73] addrconf_dad_begin+0x310/0x670 [ 1191.535812][ T73] addrconf_dad_work+0x10b/0xab0 [ 1191.535812][ T73] process_one_work+0x84d/0x18a0 [ 1191.535812][ T73] worker_thread+0x587/0xd30 [ 1191.535812][ T73] kthread+0x28a/0x350 [ 1191.535812][ T73] ret_from_fork+0x31/0x70 [ 1191.535812][ T73] ret_from_fork_asm+0x1a/0x30 [ 1191.535812][ T73] [ 1191.537933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.537933][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.537933][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.537933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.537933][ T73] ip6_route_add+0x1c/0x140 [ 1191.537933][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1191.537933][ T73] inet6_addr_add+0x4f8/0xa40 [ 1191.537933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.537933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.537933][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.537933][ T73] netlink_unicast+0x449/0x710 [ 1191.537933][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.537933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.537933][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.537933][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.537933][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.537933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.537933][ T73] [ 1191.540155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.540155][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.540155][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.540155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.540155][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1191.540155][ T73] ipv6_add_addr+0x411/0x2000 [ 1191.540155][ T73] inet6_addr_add+0x30e/0xa40 [ 1191.540155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.540155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.540155][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.540155][ T73] netlink_unicast+0x449/0x710 [ 1191.540155][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.540155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.540155][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.540155][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.540155][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.540155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.540155][ T73] [ 1191.542380][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.542380][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.542380][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.542380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.542380][ T73] ip6_route_add+0x1c/0x140 [ 1191.542380][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1191.542380][ T73] addrconf_add_dev+0xe2/0x170 [ 1191.542380][ T73] inet6_addr_add+0x12f/0xa40 [ 1191.542380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.542380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.542380][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.542380][ T73] netlink_unicast+0x449/0x710 [ 1191.542380][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.542380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.542380][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.542380][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.542380][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.542380][ T73] [ 1191.544557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.544557][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1191.544557][ T73] ipv6_find_idev+0x102/0x170 [ 1191.544557][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.544557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.544557][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.544557][ T73] netlink_unicast+0x449/0x710 [ 1191.544557][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.544557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.544557][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.544557][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.544557][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.544557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.544557][ T73] [ 1191.546271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1191.546271][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1191.546271][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1191.546271][ T73] ipv6_find_idev+0x102/0x170 [ 1191.546271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.546271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.546271][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.546271][ T73] netlink_unicast+0x449/0x710 [ 1191.546271][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.546271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.546271][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.546271][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.546271][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.546271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.546271][ T73] [ 1191.548289][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1191.548580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.548580][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1191.548580][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1191.548580][ T73] fib6_nh_init+0xa22/0x1580 [ 1191.548580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.548580][ T73] ip6_route_add+0x1c/0x140 [ 1191.548580][ T73] inet6_rtm_newroute+0x104/0x110 [ 1191.548580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.548580][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.548580][ T73] netlink_unicast+0x449/0x710 [ 1191.548580][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.548580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.548580][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.548580][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.548580][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.548580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.548580][ T73] [ 1191.550938][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.550938][ T73] dst_init+0x84/0x4a0 [ 1191.550938][ T73] dst_alloc+0x97/0x150 [ 1191.550938][ T73] ip6_dst_alloc+0x23/0x90 [ 1191.550938][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1191.550938][ T73] ip6_pol_route+0x56f/0x840 [ 1191.550938][ T73] fib6_rule_lookup+0x456/0x630 [ 1191.550938][ T73] ip6_route_input+0x59c/0xa50 [ 1191.550938][ T73] ipv6_rcv+0x397/0x810 [ 1191.550938][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1191.550938][ T73] process_backlog+0x101/0x620 [ 1191.550938][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1191.550938][ T73] net_rx_action+0x495/0xbe0 [ 1191.550938][ T73] __do_softirq+0x1b5/0x7f6 [ 1191.550938][ T73] [ 1191.552948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.552948][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.552948][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.552948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.552948][ T73] ip6_route_add+0x1c/0x140 [ 1191.552948][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1191.552948][ T73] inet6_addr_add+0x4f8/0xa40 [ 1191.552948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.552948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.552948][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.552948][ T73] netlink_unicast+0x449/0x710 [ 1191.552948][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.552948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.552948][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.552948][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.552948][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.552948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.552948][ T73] [ 1191.555422][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.555422][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.555422][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.555422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.555422][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1191.555422][ T73] ipv6_add_addr+0x411/0x2000 [ 1191.555422][ T73] inet6_addr_add+0x30e/0xa40 [ 1191.555422][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.555422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.555422][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.555422][ T73] netlink_unicast+0x449/0x710 [ 1191.555422][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.555422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.555422][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.555422][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.555422][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.555422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.555422][ T73] [ 1191.557936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.557936][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.557936][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.557936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.557936][ T73] ip6_route_add+0x1c/0x140 [ 1191.557936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1191.557936][ T73] addrconf_add_dev+0xe2/0x170 [ 1191.557936][ T73] inet6_addr_add+0x12f/0xa40 [ 1191.557936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.557936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.557936][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.557936][ T73] netlink_unicast+0x449/0x710 [ 1191.557936][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.557936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.557936][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.557936][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.557936][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.557936][ T73] [ 1191.560374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.560374][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1191.560374][ T73] ipv6_find_idev+0x102/0x170 [ 1191.560374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.560374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.560374][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.560374][ T73] netlink_unicast+0x449/0x710 [ 1191.560374][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.560374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.560374][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.560374][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.560374][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.560374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.560374][ T73] [ 1191.562207][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1191.562207][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1191.562207][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1191.562207][ T73] ipv6_find_idev+0x102/0x170 [ 1191.562207][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.562207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.562207][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.562207][ T73] netlink_unicast+0x449/0x710 [ 1191.562207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.562207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.562207][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.562207][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.562207][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.562207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.562207][ T73] [ 1191.564324][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1191.564620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1191.564620][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.564620][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.564620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.564620][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1191.564620][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1191.564620][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1191.564620][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1191.564620][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1191.564620][ T73] addrconf_dad_begin+0x310/0x670 [ 1191.564620][ T73] addrconf_dad_work+0x10b/0xab0 [ 1191.564620][ T73] process_one_work+0x84d/0x18a0 [ 1191.564620][ T73] worker_thread+0x587/0xd30 [ 1191.564620][ T73] kthread+0x28a/0x350 [ 1191.564620][ T73] ret_from_fork+0x31/0x70 [ 1191.564620][ T73] ret_from_fork_asm+0x1a/0x30 [ 1191.564620][ T73] [ 1191.567450][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1191.567450][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.567450][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.567450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.567450][ T73] ip6_route_add+0x1c/0x140 [ 1191.567450][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1191.567450][ T73] inet6_addr_add+0x4f8/0xa40 [ 1191.567450][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.567450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.567450][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.567450][ T73] netlink_unicast+0x449/0x710 [ 1191.567450][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.567450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.567450][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.567450][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.567450][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.567450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.567450][ T73] [ 1191.569916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1191.569916][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.569916][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.569916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.569916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1191.569916][ T73] ipv6_add_addr+0x411/0x2000 [ 1191.569916][ T73] inet6_addr_add+0x30e/0xa40 [ 1191.569916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.569916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.569916][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.569916][ T73] netlink_unicast+0x449/0x710 [ 1191.569916][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.569916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.569916][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.569916][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.569916][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.569916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.569916][ T73] [ 1191.572322][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1191.572322][ T73] netdev_get_by_index+0x5e/0x80 [ 1191.572322][ T73] fib6_nh_init+0x3d8/0x1580 [ 1191.572322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1191.572322][ T73] ip6_route_add+0x1c/0x140 [ 1191.572322][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1191.572322][ T73] addrconf_add_dev+0xe2/0x170 [ 1191.572322][ T73] inet6_addr_add+0x12f/0xa40 [ 1191.572322][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.572322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.572322][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.572322][ T73] netlink_unicast+0x449/0x710 [ 1191.572322][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.572322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.572322][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.572322][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.572322][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.572322][ T73] [ 1191.574742][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1191.574742][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1191.574742][ T73] ipv6_find_idev+0x102/0x170 [ 1191.574742][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.574742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.574742][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.574742][ T73] netlink_unicast+0x449/0x710 [ 1191.574742][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.574742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.574742][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.574742][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.574742][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.574742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.574742][ T73] [ 1191.576634][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1191.576634][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1191.576634][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1191.576634][ T73] ipv6_find_idev+0x102/0x170 [ 1191.576634][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.576634][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.576634][ T73] netlink_rcv_skb+0x130/0x360 [ 1191.576634][ T73] netlink_unicast+0x449/0x710 [ 1191.576634][ T73] netlink_sendmsg+0x723/0xbe0 [ 1191.576634][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1191.576634][ T73] ___sys_sendmsg+0xee/0x170 [ 1191.576634][ T73] __sys_sendmsg+0xcd/0x170 [ 1191.576634][ T73] do_syscall_64+0xc6/0x1e0 [ 1191.576634][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.576634][ T73] [ 1201.630971][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1201.631416][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.631416][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1201.631416][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1201.631416][ T73] fib6_nh_init+0xa22/0x1580 [ 1201.631416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.631416][ T73] ip6_route_add+0x1c/0x140 [ 1201.631416][ T73] inet6_rtm_newroute+0x104/0x110 [ 1201.631416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.631416][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.631416][ T73] netlink_unicast+0x449/0x710 [ 1201.631416][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.631416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.631416][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.631416][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.631416][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.631416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.631416][ T73] [ 1201.633599][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.633599][ T73] dst_init+0x84/0x4a0 [ 1201.633599][ T73] dst_alloc+0x97/0x150 [ 1201.633599][ T73] ip6_dst_alloc+0x23/0x90 [ 1201.633599][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1201.633599][ T73] ip6_pol_route+0x56f/0x840 [ 1201.633599][ T73] fib6_rule_lookup+0x456/0x630 [ 1201.633599][ T73] ip6_route_input+0x59c/0xa50 [ 1201.633599][ T73] ipv6_rcv+0x397/0x810 [ 1201.633599][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1201.633599][ T73] process_backlog+0x101/0x620 [ 1201.633599][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1201.633599][ T73] net_rx_action+0x495/0xbe0 [ 1201.633599][ T73] __do_softirq+0x1b5/0x7f6 [ 1201.633599][ T73] [ 1201.635360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.635360][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.635360][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.635360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.635360][ T73] ip6_route_add+0x1c/0x140 [ 1201.635360][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1201.635360][ T73] inet6_addr_add+0x4f8/0xa40 [ 1201.635360][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.635360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.635360][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.635360][ T73] netlink_unicast+0x449/0x710 [ 1201.635360][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.635360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.635360][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.635360][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.635360][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.635360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.635360][ T73] [ 1201.637566][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.637566][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.637566][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.637566][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.637566][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1201.637566][ T73] ipv6_add_addr+0x411/0x2000 [ 1201.637566][ T73] inet6_addr_add+0x30e/0xa40 [ 1201.637566][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.637566][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.637566][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.637566][ T73] netlink_unicast+0x449/0x710 [ 1201.637566][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.637566][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.637566][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.637566][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.637566][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.637566][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.637566][ T73] [ 1201.639602][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.639602][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.639602][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.639602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.639602][ T73] ip6_route_add+0x1c/0x140 [ 1201.639602][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1201.639602][ T73] addrconf_add_dev+0xe2/0x170 [ 1201.639602][ T73] inet6_addr_add+0x12f/0xa40 [ 1201.639602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.639602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.639602][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.639602][ T73] netlink_unicast+0x449/0x710 [ 1201.639602][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.639602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.639602][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.639602][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.639602][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.639602][ T73] [ 1201.641603][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.641603][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1201.641603][ T73] ipv6_find_idev+0x102/0x170 [ 1201.641603][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.641603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.641603][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.641603][ T73] netlink_unicast+0x449/0x710 [ 1201.641603][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.641603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.641603][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.641603][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.641603][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.641603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.641603][ T73] [ 1201.643161][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1201.643161][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1201.643161][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1201.643161][ T73] ipv6_find_idev+0x102/0x170 [ 1201.643161][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.643161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.643161][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.643161][ T73] netlink_unicast+0x449/0x710 [ 1201.643161][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.643161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.643161][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.643161][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.643161][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.643161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.643161][ T73] [ 1201.644979][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1201.645281][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.645281][ T73] dst_init+0x84/0x4a0 [ 1201.645281][ T73] dst_alloc+0x97/0x150 [ 1201.645281][ T73] ip6_dst_alloc+0x23/0x90 [ 1201.645281][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1201.645281][ T73] ip6_pol_route+0x56f/0x840 [ 1201.645281][ T73] fib6_rule_lookup+0x456/0x630 [ 1201.645281][ T73] ip6_route_input+0x59c/0xa50 [ 1201.645281][ T73] ipv6_rcv+0x397/0x810 [ 1201.645281][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1201.645281][ T73] process_backlog+0x101/0x620 [ 1201.645281][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1201.645281][ T73] net_rx_action+0x495/0xbe0 [ 1201.645281][ T73] __do_softirq+0x1b5/0x7f6 [ 1201.645281][ T73] [ 1201.647133][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.647133][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.647133][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.647133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.647133][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1201.647133][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1201.647133][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1201.647133][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1201.647133][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1201.647133][ T73] addrconf_dad_begin+0x310/0x670 [ 1201.647133][ T73] addrconf_dad_work+0x10b/0xab0 [ 1201.647133][ T73] process_one_work+0x84d/0x18a0 [ 1201.647133][ T73] worker_thread+0x587/0xd30 [ 1201.647133][ T73] kthread+0x28a/0x350 [ 1201.647133][ T73] ret_from_fork+0x31/0x70 [ 1201.647133][ T73] ret_from_fork_asm+0x1a/0x30 [ 1201.647133][ T73] [ 1201.649088][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.649088][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.649088][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.649088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.649088][ T73] ip6_route_add+0x1c/0x140 [ 1201.649088][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1201.649088][ T73] inet6_addr_add+0x4f8/0xa40 [ 1201.649088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.649088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.649088][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.649088][ T73] netlink_unicast+0x449/0x710 [ 1201.649088][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.649088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.649088][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.649088][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.649088][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.649088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.649088][ T73] [ 1201.651118][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.651118][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.651118][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.651118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.651118][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1201.651118][ T73] ipv6_add_addr+0x411/0x2000 [ 1201.651118][ T73] inet6_addr_add+0x30e/0xa40 [ 1201.651118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.651118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.651118][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.651118][ T73] netlink_unicast+0x449/0x710 [ 1201.651118][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.651118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.651118][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.651118][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.651118][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.651118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.651118][ T73] [ 1201.653231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.653231][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.653231][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.653231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.653231][ T73] ip6_route_add+0x1c/0x140 [ 1201.653231][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1201.653231][ T73] addrconf_add_dev+0xe2/0x170 [ 1201.653231][ T73] inet6_addr_add+0x12f/0xa40 [ 1201.653231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.653231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.653231][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.653231][ T73] netlink_unicast+0x449/0x710 [ 1201.653231][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.653231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.653231][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.653231][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.653231][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.653231][ T73] [ 1201.655303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.655303][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1201.655303][ T73] ipv6_find_idev+0x102/0x170 [ 1201.655303][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.655303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.655303][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.655303][ T73] netlink_unicast+0x449/0x710 [ 1201.655303][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.655303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.655303][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.655303][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.655303][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.655303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.655303][ T73] [ 1201.656859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1201.656859][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1201.656859][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1201.656859][ T73] ipv6_find_idev+0x102/0x170 [ 1201.656859][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.656859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.656859][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.656859][ T73] netlink_unicast+0x449/0x710 [ 1201.656859][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.656859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.656859][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.656859][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.656859][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.656859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.656859][ T73] [ 1201.658836][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1201.659140][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.659140][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1201.659140][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1201.659140][ T73] fib6_nh_init+0xa22/0x1580 [ 1201.659140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.659140][ T73] ip6_route_add+0x1c/0x140 [ 1201.659140][ T73] inet6_rtm_newroute+0x104/0x110 [ 1201.659140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.659140][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.659140][ T73] netlink_unicast+0x449/0x710 [ 1201.659140][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.659140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.659140][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.659140][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.659140][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.659140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.659140][ T73] [ 1201.661436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.661436][ T73] dst_init+0x84/0x4a0 [ 1201.661436][ T73] dst_alloc+0x97/0x150 [ 1201.661436][ T73] ip6_dst_alloc+0x23/0x90 [ 1201.661436][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1201.661436][ T73] ip6_pol_route+0x56f/0x840 [ 1201.661436][ T73] fib6_rule_lookup+0x456/0x630 [ 1201.661436][ T73] ip6_route_input+0x59c/0xa50 [ 1201.661436][ T73] ipv6_rcv+0x397/0x810 [ 1201.661436][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1201.661436][ T73] process_backlog+0x101/0x620 [ 1201.661436][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1201.661436][ T73] net_rx_action+0x495/0xbe0 [ 1201.661436][ T73] __do_softirq+0x1b5/0x7f6 [ 1201.661436][ T73] [ 1201.663287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.663287][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.663287][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.663287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.663287][ T73] ip6_route_add+0x1c/0x140 [ 1201.663287][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1201.663287][ T73] inet6_addr_add+0x4f8/0xa40 [ 1201.663287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.663287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.663287][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.663287][ T73] netlink_unicast+0x449/0x710 [ 1201.663287][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.663287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.663287][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.663287][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.663287][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.663287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.663287][ T73] [ 1201.665580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.665580][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.665580][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.665580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.665580][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1201.665580][ T73] ipv6_add_addr+0x411/0x2000 [ 1201.665580][ T73] inet6_addr_add+0x30e/0xa40 [ 1201.665580][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.665580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.665580][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.665580][ T73] netlink_unicast+0x449/0x710 [ 1201.665580][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.665580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.665580][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.665580][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.665580][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.665580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.665580][ T73] [ 1201.667834][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.667834][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.667834][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.667834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.667834][ T73] ip6_route_add+0x1c/0x140 [ 1201.667834][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1201.667834][ T73] addrconf_add_dev+0xe2/0x170 [ 1201.667834][ T73] inet6_addr_add+0x12f/0xa40 [ 1201.667834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.667834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.667834][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.667834][ T73] netlink_unicast+0x449/0x710 [ 1201.667834][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.667834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.667834][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.667834][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.667834][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.667834][ T73] [ 1201.670210][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.670210][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1201.670210][ T73] ipv6_find_idev+0x102/0x170 [ 1201.670210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.670210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.670210][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.670210][ T73] netlink_unicast+0x449/0x710 [ 1201.670210][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.670210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.670210][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.670210][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.670210][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.670210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.670210][ T73] [ 1201.671927][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1201.671927][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1201.671927][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1201.671927][ T73] ipv6_find_idev+0x102/0x170 [ 1201.671927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.671927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.671927][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.671927][ T73] netlink_unicast+0x449/0x710 [ 1201.671927][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.671927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.671927][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.671927][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.671927][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.671927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.671927][ T73] [ 1201.673887][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1201.674163][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1201.674163][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.674163][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.674163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.674163][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1201.674163][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1201.674163][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1201.674163][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1201.674163][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1201.674163][ T73] addrconf_dad_begin+0x310/0x670 [ 1201.674163][ T73] addrconf_dad_work+0x10b/0xab0 [ 1201.674163][ T73] process_one_work+0x84d/0x18a0 [ 1201.674163][ T73] worker_thread+0x587/0xd30 [ 1201.674163][ T73] kthread+0x28a/0x350 [ 1201.674163][ T73] ret_from_fork+0x31/0x70 [ 1201.674163][ T73] ret_from_fork_asm+0x1a/0x30 [ 1201.674163][ T73] [ 1201.676343][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1201.676343][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.676343][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.676343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.676343][ T73] ip6_route_add+0x1c/0x140 [ 1201.676343][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1201.676343][ T73] inet6_addr_add+0x4f8/0xa40 [ 1201.676343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.676343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.676343][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.676343][ T73] netlink_unicast+0x449/0x710 [ 1201.676343][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.676343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.676343][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.676343][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.676343][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.676343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.676343][ T73] [ 1201.678625][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1201.678625][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.678625][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.678625][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.678625][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1201.678625][ T73] ipv6_add_addr+0x411/0x2000 [ 1201.678625][ T73] inet6_addr_add+0x30e/0xa40 [ 1201.678625][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.678625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.678625][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.678625][ T73] netlink_unicast+0x449/0x710 [ 1201.678625][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.678625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.678625][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.678625][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.678625][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.678625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.678625][ T73] [ 1201.680906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1201.680906][ T73] netdev_get_by_index+0x5e/0x80 [ 1201.680906][ T73] fib6_nh_init+0x3d8/0x1580 [ 1201.680906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1201.680906][ T73] ip6_route_add+0x1c/0x140 [ 1201.680906][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1201.680906][ T73] addrconf_add_dev+0xe2/0x170 [ 1201.680906][ T73] inet6_addr_add+0x12f/0xa40 [ 1201.680906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.680906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.680906][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.680906][ T73] netlink_unicast+0x449/0x710 [ 1201.680906][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.680906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.680906][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.680906][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.680906][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.680906][ T73] [ 1201.683346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1201.683346][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1201.683346][ T73] ipv6_find_idev+0x102/0x170 [ 1201.683346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.683346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.683346][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.683346][ T73] netlink_unicast+0x449/0x710 [ 1201.683346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.683346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.683346][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.683346][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.683346][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.683346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.683346][ T73] [ 1201.685131][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1201.685131][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1201.685131][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1201.685131][ T73] ipv6_find_idev+0x102/0x170 [ 1201.685131][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.685131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.685131][ T73] netlink_rcv_skb+0x130/0x360 [ 1201.685131][ T73] netlink_unicast+0x449/0x710 [ 1201.685131][ T73] netlink_sendmsg+0x723/0xbe0 [ 1201.685131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1201.685131][ T73] ___sys_sendmsg+0xee/0x170 [ 1201.685131][ T73] __sys_sendmsg+0xcd/0x170 [ 1201.685131][ T73] do_syscall_64+0xc6/0x1e0 [ 1201.685131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.685131][ T73] [ 1211.926844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1211.927372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.927372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1211.927372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1211.927372][ T73] fib6_nh_init+0xa22/0x1580 [ 1211.927372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.927372][ T73] ip6_route_add+0x1c/0x140 [ 1211.927372][ T73] inet6_rtm_newroute+0x104/0x110 [ 1211.927372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.927372][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.927372][ T73] netlink_unicast+0x449/0x710 [ 1211.927372][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.927372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.927372][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.927372][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.927372][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.927372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.927372][ T73] [ 1211.929561][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.929561][ T73] dst_init+0x84/0x4a0 [ 1211.929561][ T73] dst_alloc+0x97/0x150 [ 1211.929561][ T73] ip6_dst_alloc+0x23/0x90 [ 1211.929561][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1211.929561][ T73] ip6_pol_route+0x56f/0x840 [ 1211.929561][ T73] fib6_rule_lookup+0x456/0x630 [ 1211.929561][ T73] ip6_route_input+0x59c/0xa50 [ 1211.929561][ T73] ipv6_rcv+0x397/0x810 [ 1211.929561][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1211.929561][ T73] process_backlog+0x101/0x620 [ 1211.929561][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1211.929561][ T73] net_rx_action+0x495/0xbe0 [ 1211.929561][ T73] __do_softirq+0x1b5/0x7f6 [ 1211.929561][ T73] [ 1211.931453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.931453][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.931453][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.931453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.931453][ T73] ip6_route_add+0x1c/0x140 [ 1211.931453][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1211.931453][ T73] inet6_addr_add+0x4f8/0xa40 [ 1211.931453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.931453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.931453][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.931453][ T73] netlink_unicast+0x449/0x710 [ 1211.931453][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.931453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.931453][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.931453][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.931453][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.931453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.931453][ T73] [ 1211.933752][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.933752][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.933752][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.933752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.933752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1211.933752][ T73] ipv6_add_addr+0x411/0x2000 [ 1211.933752][ T73] inet6_addr_add+0x30e/0xa40 [ 1211.933752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.933752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.933752][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.933752][ T73] netlink_unicast+0x449/0x710 [ 1211.933752][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.933752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.933752][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.933752][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.933752][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.933752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.933752][ T73] [ 1211.936055][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.936055][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.936055][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.936055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.936055][ T73] ip6_route_add+0x1c/0x140 [ 1211.936055][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1211.936055][ T73] addrconf_add_dev+0xe2/0x170 [ 1211.936055][ T73] inet6_addr_add+0x12f/0xa40 [ 1211.936055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.936055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.936055][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.936055][ T73] netlink_unicast+0x449/0x710 [ 1211.936055][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.936055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.936055][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.936055][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.936055][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.936055][ T73] [ 1211.938283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.938283][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1211.938283][ T73] ipv6_find_idev+0x102/0x170 [ 1211.938283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.938283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.938283][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.938283][ T73] netlink_unicast+0x449/0x710 [ 1211.938283][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.938283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.938283][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.938283][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.938283][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.938283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.938283][ T73] [ 1211.940047][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1211.940047][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1211.940047][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1211.940047][ T73] ipv6_find_idev+0x102/0x170 [ 1211.940047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.940047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.940047][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.940047][ T73] netlink_unicast+0x449/0x710 [ 1211.940047][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.940047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.940047][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.940047][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.940047][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.940047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.940047][ T73] [ 1211.942016][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1211.942321][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.942321][ T73] dst_init+0x84/0x4a0 [ 1211.942321][ T73] dst_alloc+0x97/0x150 [ 1211.942321][ T73] ip6_dst_alloc+0x23/0x90 [ 1211.942321][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1211.942321][ T73] ip6_pol_route+0x56f/0x840 [ 1211.942321][ T73] fib6_rule_lookup+0x456/0x630 [ 1211.942321][ T73] ip6_route_input+0x59c/0xa50 [ 1211.942321][ T73] ipv6_rcv+0x397/0x810 [ 1211.942321][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1211.942321][ T73] process_backlog+0x101/0x620 [ 1211.942321][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1211.942321][ T73] net_rx_action+0x495/0xbe0 [ 1211.942321][ T73] __do_softirq+0x1b5/0x7f6 [ 1211.942321][ T73] [ 1211.944219][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.944219][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.944219][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.944219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.944219][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1211.944219][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1211.944219][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1211.944219][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1211.944219][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1211.944219][ T73] addrconf_dad_begin+0x310/0x670 [ 1211.944219][ T73] addrconf_dad_work+0x10b/0xab0 [ 1211.944219][ T73] process_one_work+0x84d/0x18a0 [ 1211.944219][ T73] worker_thread+0x587/0xd30 [ 1211.944219][ T73] kthread+0x28a/0x350 [ 1211.944219][ T73] ret_from_fork+0x31/0x70 [ 1211.944219][ T73] ret_from_fork_asm+0x1a/0x30 [ 1211.944219][ T73] [ 1211.946411][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.946411][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.946411][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.946411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.946411][ T73] ip6_route_add+0x1c/0x140 [ 1211.946411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1211.946411][ T73] inet6_addr_add+0x4f8/0xa40 [ 1211.946411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.946411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.946411][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.946411][ T73] netlink_unicast+0x449/0x710 [ 1211.946411][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.946411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.946411][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.946411][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.946411][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.946411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.946411][ T73] [ 1211.948683][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.948683][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.948683][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.948683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.948683][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1211.948683][ T73] ipv6_add_addr+0x411/0x2000 [ 1211.948683][ T73] inet6_addr_add+0x30e/0xa40 [ 1211.948683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.948683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.948683][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.948683][ T73] netlink_unicast+0x449/0x710 [ 1211.948683][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.948683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.948683][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.948683][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.948683][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.948683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.948683][ T73] [ 1211.950991][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.950991][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.950991][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.950991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.950991][ T73] ip6_route_add+0x1c/0x140 [ 1211.950991][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1211.950991][ T73] addrconf_add_dev+0xe2/0x170 [ 1211.950991][ T73] inet6_addr_add+0x12f/0xa40 [ 1211.950991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.950991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.950991][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.950991][ T73] netlink_unicast+0x449/0x710 [ 1211.950991][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.950991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.950991][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.950991][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.950991][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.950991][ T73] [ 1211.953224][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.953224][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1211.953224][ T73] ipv6_find_idev+0x102/0x170 [ 1211.953224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.953224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.953224][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.953224][ T73] netlink_unicast+0x449/0x710 [ 1211.953224][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.953224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.953224][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.953224][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.953224][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.953224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.953224][ T73] [ 1211.954993][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1211.954993][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1211.954993][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1211.954993][ T73] ipv6_find_idev+0x102/0x170 [ 1211.954993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.954993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.954993][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.954993][ T73] netlink_unicast+0x449/0x710 [ 1211.954993][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.954993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.954993][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.954993][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.954993][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.954993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.954993][ T73] [ 1211.957030][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1211.957341][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.957341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1211.957341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1211.957341][ T73] fib6_nh_init+0xa22/0x1580 [ 1211.957341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.957341][ T73] ip6_route_add+0x1c/0x140 [ 1211.957341][ T73] inet6_rtm_newroute+0x104/0x110 [ 1211.957341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.957341][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.957341][ T73] netlink_unicast+0x449/0x710 [ 1211.957341][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.957341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.957341][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.957341][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.957341][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.957341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.957341][ T73] [ 1211.959669][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.959669][ T73] dst_init+0x84/0x4a0 [ 1211.959669][ T73] dst_alloc+0x97/0x150 [ 1211.959669][ T73] ip6_dst_alloc+0x23/0x90 [ 1211.959669][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1211.959669][ T73] ip6_pol_route+0x56f/0x840 [ 1211.959669][ T73] fib6_rule_lookup+0x456/0x630 [ 1211.959669][ T73] ip6_route_input+0x59c/0xa50 [ 1211.959669][ T73] ipv6_rcv+0x397/0x810 [ 1211.959669][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1211.959669][ T73] process_backlog+0x101/0x620 [ 1211.959669][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1211.959669][ T73] net_rx_action+0x495/0xbe0 [ 1211.959669][ T73] __do_softirq+0x1b5/0x7f6 [ 1211.959669][ T73] [ 1211.961678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.961678][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.961678][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.961678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.961678][ T73] ip6_route_add+0x1c/0x140 [ 1211.961678][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1211.961678][ T73] inet6_addr_add+0x4f8/0xa40 [ 1211.961678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.961678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.961678][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.961678][ T73] netlink_unicast+0x449/0x710 [ 1211.961678][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.961678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.961678][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.961678][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.961678][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.961678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.961678][ T73] [ 1211.964103][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.964103][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.964103][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.964103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.964103][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1211.964103][ T73] ipv6_add_addr+0x411/0x2000 [ 1211.964103][ T73] inet6_addr_add+0x30e/0xa40 [ 1211.964103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.964103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.964103][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.964103][ T73] netlink_unicast+0x449/0x710 [ 1211.964103][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.964103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.964103][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.964103][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.964103][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.964103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.964103][ T73] [ 1211.966658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.966658][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.966658][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.966658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.966658][ T73] ip6_route_add+0x1c/0x140 [ 1211.966658][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1211.966658][ T73] addrconf_add_dev+0xe2/0x170 [ 1211.966658][ T73] inet6_addr_add+0x12f/0xa40 [ 1211.966658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.966658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.966658][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.966658][ T73] netlink_unicast+0x449/0x710 [ 1211.966658][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.966658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.966658][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.966658][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.966658][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.966658][ T73] [ 1211.969154][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.969154][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1211.969154][ T73] ipv6_find_idev+0x102/0x170 [ 1211.969154][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.969154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.969154][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.969154][ T73] netlink_unicast+0x449/0x710 [ 1211.969154][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.969154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.969154][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.969154][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.969154][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.969154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.969154][ T73] [ 1211.971055][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1211.971055][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1211.971055][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1211.971055][ T73] ipv6_find_idev+0x102/0x170 [ 1211.971055][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.971055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.971055][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.971055][ T73] netlink_unicast+0x449/0x710 [ 1211.971055][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.971055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.971055][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.971055][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.971055][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.971055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.971055][ T73] [ 1211.973234][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1211.973548][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1211.973548][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.973548][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.973548][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.973548][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1211.973548][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1211.973548][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1211.973548][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1211.973548][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1211.973548][ T73] addrconf_dad_begin+0x310/0x670 [ 1211.973548][ T73] addrconf_dad_work+0x10b/0xab0 [ 1211.973548][ T73] process_one_work+0x84d/0x18a0 [ 1211.973548][ T73] worker_thread+0x587/0xd30 [ 1211.973548][ T73] kthread+0x28a/0x350 [ 1211.973548][ T73] ret_from_fork+0x31/0x70 [ 1211.973548][ T73] ret_from_fork_asm+0x1a/0x30 [ 1211.973548][ T73] [ 1211.975999][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1211.975999][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.975999][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.975999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.975999][ T73] ip6_route_add+0x1c/0x140 [ 1211.975999][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1211.975999][ T73] inet6_addr_add+0x4f8/0xa40 [ 1211.975999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.975999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.975999][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.975999][ T73] netlink_unicast+0x449/0x710 [ 1211.975999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.975999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.975999][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.975999][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.975999][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.975999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.975999][ T73] [ 1211.978525][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1211.978525][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.978525][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.978525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.978525][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1211.978525][ T73] ipv6_add_addr+0x411/0x2000 [ 1211.978525][ T73] inet6_addr_add+0x30e/0xa40 [ 1211.978525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.978525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.978525][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.978525][ T73] netlink_unicast+0x449/0x710 [ 1211.978525][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.978525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.978525][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.978525][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.978525][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.978525][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.978525][ T73] [ 1211.980982][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1211.980982][ T73] netdev_get_by_index+0x5e/0x80 [ 1211.980982][ T73] fib6_nh_init+0x3d8/0x1580 [ 1211.980982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1211.980982][ T73] ip6_route_add+0x1c/0x140 [ 1211.980982][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1211.980982][ T73] addrconf_add_dev+0xe2/0x170 [ 1211.980982][ T73] inet6_addr_add+0x12f/0xa40 [ 1211.980982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.980982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.980982][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.980982][ T73] netlink_unicast+0x449/0x710 [ 1211.980982][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.980982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.980982][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.980982][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.980982][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.980982][ T73] [ 1211.983466][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1211.983466][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1211.983466][ T73] ipv6_find_idev+0x102/0x170 [ 1211.983466][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.983466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.983466][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.983466][ T73] netlink_unicast+0x449/0x710 [ 1211.983466][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.983466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.983466][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.983466][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.983466][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.983466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.983466][ T73] [ 1211.985462][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1211.985462][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1211.985462][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1211.985462][ T73] ipv6_find_idev+0x102/0x170 [ 1211.985462][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.985462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.985462][ T73] netlink_rcv_skb+0x130/0x360 [ 1211.985462][ T73] netlink_unicast+0x449/0x710 [ 1211.985462][ T73] netlink_sendmsg+0x723/0xbe0 [ 1211.985462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1211.985462][ T73] ___sys_sendmsg+0xee/0x170 [ 1211.985462][ T73] __sys_sendmsg+0xcd/0x170 [ 1211.985462][ T73] do_syscall_64+0xc6/0x1e0 [ 1211.985462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.985462][ T73] [ 1222.230913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1222.231455][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.231455][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1222.231455][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1222.231455][ T73] fib6_nh_init+0xa22/0x1580 [ 1222.231455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.231455][ T73] ip6_route_add+0x1c/0x140 [ 1222.231455][ T73] inet6_rtm_newroute+0x104/0x110 [ 1222.231455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.231455][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.231455][ T73] netlink_unicast+0x449/0x710 [ 1222.231455][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.231455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.231455][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.231455][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.231455][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.231455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.231455][ T73] [ 1222.233633][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.233633][ T73] dst_init+0x84/0x4a0 [ 1222.233633][ T73] dst_alloc+0x97/0x150 [ 1222.233633][ T73] ip6_dst_alloc+0x23/0x90 [ 1222.233633][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1222.233633][ T73] ip6_pol_route+0x56f/0x840 [ 1222.233633][ T73] fib6_rule_lookup+0x456/0x630 [ 1222.233633][ T73] ip6_route_input+0x59c/0xa50 [ 1222.233633][ T73] ipv6_rcv+0x397/0x810 [ 1222.233633][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1222.233633][ T73] process_backlog+0x101/0x620 [ 1222.233633][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1222.233633][ T73] net_rx_action+0x495/0xbe0 [ 1222.233633][ T73] __do_softirq+0x1b5/0x7f6 [ 1222.233633][ T73] [ 1222.235279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.235279][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.235279][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.235279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.235279][ T73] ip6_route_add+0x1c/0x140 [ 1222.235279][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1222.235279][ T73] inet6_addr_add+0x4f8/0xa40 [ 1222.235279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.235279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.235279][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.235279][ T73] netlink_unicast+0x449/0x710 [ 1222.235279][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.235279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.235279][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.235279][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.235279][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.235279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.235279][ T73] [ 1222.237276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.237276][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.237276][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.237276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.237276][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1222.237276][ T73] ipv6_add_addr+0x411/0x2000 [ 1222.237276][ T73] inet6_addr_add+0x30e/0xa40 [ 1222.237276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.237276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.237276][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.237276][ T73] netlink_unicast+0x449/0x710 [ 1222.237276][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.237276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.237276][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.237276][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.237276][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.237276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.237276][ T73] [ 1222.239273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.239273][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.239273][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.239273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.239273][ T73] ip6_route_add+0x1c/0x140 [ 1222.239273][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1222.239273][ T73] addrconf_add_dev+0xe2/0x170 [ 1222.239273][ T73] inet6_addr_add+0x12f/0xa40 [ 1222.239273][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.239273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.239273][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.239273][ T73] netlink_unicast+0x449/0x710 [ 1222.239273][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.239273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.239273][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.239273][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.239273][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.239273][ T73] [ 1222.241242][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.241242][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1222.241242][ T73] ipv6_find_idev+0x102/0x170 [ 1222.241242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.241242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.241242][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.241242][ T73] netlink_unicast+0x449/0x710 [ 1222.241242][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.241242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.241242][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.241242][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.241242][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.241242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.241242][ T73] [ 1222.242792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1222.242792][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1222.242792][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1222.242792][ T73] ipv6_find_idev+0x102/0x170 [ 1222.242792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.242792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.242792][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.242792][ T73] netlink_unicast+0x449/0x710 [ 1222.242792][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.242792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.242792][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.242792][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.242792][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.242792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.242792][ T73] [ 1222.244473][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1222.244749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.244749][ T73] dst_init+0x84/0x4a0 [ 1222.244749][ T73] dst_alloc+0x97/0x150 [ 1222.244749][ T73] ip6_dst_alloc+0x23/0x90 [ 1222.244749][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1222.244749][ T73] ip6_pol_route+0x56f/0x840 [ 1222.244749][ T73] fib6_rule_lookup+0x456/0x630 [ 1222.244749][ T73] ip6_route_input+0x59c/0xa50 [ 1222.244749][ T73] ipv6_rcv+0x397/0x810 [ 1222.244749][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1222.244749][ T73] process_backlog+0x101/0x620 [ 1222.244749][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1222.244749][ T73] net_rx_action+0x495/0xbe0 [ 1222.244749][ T73] __do_softirq+0x1b5/0x7f6 [ 1222.244749][ T73] [ 1222.246381][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.246381][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.246381][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.246381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.246381][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1222.246381][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1222.246381][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1222.246381][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1222.246381][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1222.246381][ T73] addrconf_dad_begin+0x310/0x670 [ 1222.246381][ T73] addrconf_dad_work+0x10b/0xab0 [ 1222.246381][ T73] process_one_work+0x84d/0x18a0 [ 1222.246381][ T73] worker_thread+0x587/0xd30 [ 1222.246381][ T73] kthread+0x28a/0x350 [ 1222.246381][ T73] ret_from_fork+0x31/0x70 [ 1222.246381][ T73] ret_from_fork_asm+0x1a/0x30 [ 1222.246381][ T73] [ 1222.248282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.248282][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.248282][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.248282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.248282][ T73] ip6_route_add+0x1c/0x140 [ 1222.248282][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1222.248282][ T73] inet6_addr_add+0x4f8/0xa40 [ 1222.248282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.248282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.248282][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.248282][ T73] netlink_unicast+0x449/0x710 [ 1222.248282][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.248282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.248282][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.248282][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.248282][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.248282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.248282][ T73] [ 1222.250289][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.250289][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.250289][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.250289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.250289][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1222.250289][ T73] ipv6_add_addr+0x411/0x2000 [ 1222.250289][ T73] inet6_addr_add+0x30e/0xa40 [ 1222.250289][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.250289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.250289][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.250289][ T73] netlink_unicast+0x449/0x710 [ 1222.250289][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.250289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.250289][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.250289][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.250289][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.250289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.250289][ T73] [ 1222.252279][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.252279][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.252279][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.252279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.252279][ T73] ip6_route_add+0x1c/0x140 [ 1222.252279][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1222.252279][ T73] addrconf_add_dev+0xe2/0x170 [ 1222.252279][ T73] inet6_addr_add+0x12f/0xa40 [ 1222.252279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.252279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.252279][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.252279][ T73] netlink_unicast+0x449/0x710 [ 1222.252279][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.252279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.252279][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.252279][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.252279][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.252279][ T73] [ 1222.254243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.254243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1222.254243][ T73] ipv6_find_idev+0x102/0x170 [ 1222.254243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.254243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.254243][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.254243][ T73] netlink_unicast+0x449/0x710 [ 1222.254243][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.254243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.254243][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.254243][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.254243][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.254243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.254243][ T73] [ 1222.255789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1222.255789][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1222.255789][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1222.255789][ T73] ipv6_find_idev+0x102/0x170 [ 1222.255789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.255789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.255789][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.255789][ T73] netlink_unicast+0x449/0x710 [ 1222.255789][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.255789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.255789][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.255789][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.255789][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.255789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.255789][ T73] [ 1222.257582][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1222.257862][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.257862][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1222.257862][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1222.257862][ T73] fib6_nh_init+0xa22/0x1580 [ 1222.257862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.257862][ T73] ip6_route_add+0x1c/0x140 [ 1222.257862][ T73] inet6_rtm_newroute+0x104/0x110 [ 1222.257862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.257862][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.257862][ T73] netlink_unicast+0x449/0x710 [ 1222.257862][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.257862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.257862][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.257862][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.257862][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.257862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.257862][ T73] [ 1222.260051][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.260051][ T73] dst_init+0x84/0x4a0 [ 1222.260051][ T73] dst_alloc+0x97/0x150 [ 1222.260051][ T73] ip6_dst_alloc+0x23/0x90 [ 1222.260051][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1222.260051][ T73] ip6_pol_route+0x56f/0x840 [ 1222.260051][ T73] fib6_rule_lookup+0x456/0x630 [ 1222.260051][ T73] ip6_route_input+0x59c/0xa50 [ 1222.260051][ T73] ipv6_rcv+0x397/0x810 [ 1222.260051][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1222.260051][ T73] process_backlog+0x101/0x620 [ 1222.260051][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1222.260051][ T73] net_rx_action+0x495/0xbe0 [ 1222.260051][ T73] __do_softirq+0x1b5/0x7f6 [ 1222.260051][ T73] [ 1222.261863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.261863][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.261863][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.261863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.261863][ T73] ip6_route_add+0x1c/0x140 [ 1222.261863][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1222.261863][ T73] inet6_addr_add+0x4f8/0xa40 [ 1222.261863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.261863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.261863][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.261863][ T73] netlink_unicast+0x449/0x710 [ 1222.261863][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.261863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.261863][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.261863][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.261863][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.261863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.261863][ T73] [ 1222.264100][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.264100][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.264100][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.264100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.264100][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1222.264100][ T73] ipv6_add_addr+0x411/0x2000 [ 1222.264100][ T73] inet6_addr_add+0x30e/0xa40 [ 1222.264100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.264100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.264100][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.264100][ T73] netlink_unicast+0x449/0x710 [ 1222.264100][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.264100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.264100][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.264100][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.264100][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.264100][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.264100][ T73] [ 1222.266353][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.266353][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.266353][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.266353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.266353][ T73] ip6_route_add+0x1c/0x140 [ 1222.266353][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1222.266353][ T73] addrconf_add_dev+0xe2/0x170 [ 1222.266353][ T73] inet6_addr_add+0x12f/0xa40 [ 1222.266353][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.266353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.266353][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.266353][ T73] netlink_unicast+0x449/0x710 [ 1222.266353][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.266353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.266353][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.266353][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.266353][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.266353][ T73] [ 1222.268554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.268554][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1222.268554][ T73] ipv6_find_idev+0x102/0x170 [ 1222.268554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.268554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.268554][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.268554][ T73] netlink_unicast+0x449/0x710 [ 1222.268554][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.268554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.268554][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.268554][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.268554][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.268554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.268554][ T73] [ 1222.270269][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1222.270269][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1222.270269][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1222.270269][ T73] ipv6_find_idev+0x102/0x170 [ 1222.270269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.270269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.270269][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.270269][ T73] netlink_unicast+0x449/0x710 [ 1222.270269][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.270269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.270269][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.270269][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.270269][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.270269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.270269][ T73] [ 1222.272195][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1222.272471][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1222.272471][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.272471][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.272471][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.272471][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1222.272471][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1222.272471][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1222.272471][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1222.272471][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1222.272471][ T73] addrconf_dad_begin+0x310/0x670 [ 1222.272471][ T73] addrconf_dad_work+0x10b/0xab0 [ 1222.272471][ T73] process_one_work+0x84d/0x18a0 [ 1222.272471][ T73] worker_thread+0x587/0xd30 [ 1222.272471][ T73] kthread+0x28a/0x350 [ 1222.272471][ T73] ret_from_fork+0x31/0x70 [ 1222.272471][ T73] ret_from_fork_asm+0x1a/0x30 [ 1222.272471][ T73] [ 1222.274618][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1222.274618][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.274618][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.274618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.274618][ T73] ip6_route_add+0x1c/0x140 [ 1222.274618][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1222.274618][ T73] inet6_addr_add+0x4f8/0xa40 [ 1222.274618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.274618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.274618][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.274618][ T73] netlink_unicast+0x449/0x710 [ 1222.274618][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.274618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.274618][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.274618][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.274618][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.274618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.274618][ T73] [ 1222.276798][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1222.276798][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.276798][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.276798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.276798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1222.276798][ T73] ipv6_add_addr+0x411/0x2000 [ 1222.276798][ T73] inet6_addr_add+0x30e/0xa40 [ 1222.276798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.276798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.276798][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.276798][ T73] netlink_unicast+0x449/0x710 [ 1222.276798][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.276798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.276798][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.276798][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.276798][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.276798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.276798][ T73] [ 1222.279100][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1222.279100][ T73] netdev_get_by_index+0x5e/0x80 [ 1222.279100][ T73] fib6_nh_init+0x3d8/0x1580 [ 1222.279100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1222.279100][ T73] ip6_route_add+0x1c/0x140 [ 1222.279100][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1222.279100][ T73] addrconf_add_dev+0xe2/0x170 [ 1222.279100][ T73] inet6_addr_add+0x12f/0xa40 [ 1222.279100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1222.279100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.279100][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.279100][ T73] netlink_unicast+0x449/0x710 [ 1222.279100][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.279100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.279100][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.279100][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.279100][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.279100][ T73] [ 1222.281321][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1222.281321][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1222.281321][ T73] ipv6_find_idev+0x102/0x170 [ 1222.281321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.281321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.281321][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.281321][ T73] netlink_unicast+0x449/0x710 [ 1222.281321][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.281321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.281321][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.281321][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.281321][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.281321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.281321][ T73] [ 1222.283039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1222.283039][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1222.283039][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1222.283039][ T73] ipv6_find_idev+0x102/0x170 [ 1222.283039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1222.283039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1222.283039][ T73] netlink_rcv_skb+0x130/0x360 [ 1222.283039][ T73] netlink_unicast+0x449/0x710 [ 1222.283039][ T73] netlink_sendmsg+0x723/0xbe0 [ 1222.283039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1222.283039][ T73] ___sys_sendmsg+0xee/0x170 [ 1222.283039][ T73] __sys_sendmsg+0xcd/0x170 [ 1222.283039][ T73] do_syscall_64+0xc6/0x1e0 [ 1222.283039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1222.283039][ T73] [ 1230.118961][ T42] INFO: task modprobe:887 blocked for more than 983 seconds. [ 1230.119360][ T42] Not tainted 6.8.0-virtme #1 [ 1230.119497][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1230.119719][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 1230.120049][ T42] Call Trace: [ 1230.120156][ T42] [ 1230.120234][ T42] __schedule+0x705/0x1ac0 [ 1230.120384][ T42] ? __pfx___schedule+0x10/0x10 [ 1230.120526][ T42] ? schedule+0x1a5/0x210 [ 1230.120634][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.120803][ T42] ? mark_lock+0x38/0x3e0 [ 1230.121012][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1230.121163][ T42] ? schedule+0x1a5/0x210 [ 1230.121266][ T42] schedule+0xdf/0x210 [ 1230.121367][ T42] schedule_preempt_disabled+0x15/0x30 [ 1230.121497][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1230.121633][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1230.121817][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.121954][ T42] ? lock_acquire+0x1c1/0x220 [ 1230.122083][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1230.122222][ T42] down_write+0x1c9/0x200 [ 1230.122324][ T42] ? __pfx_down_write+0x10/0x10 [ 1230.122456][ T42] ? __lock_release+0x103/0x460 [ 1230.122585][ T42] ? __create_object+0x5e/0xb0 [ 1230.122722][ T42] ? __pfx___lock_release+0x10/0x10 [ 1230.122867][ T42] register_pernet_subsys+0x1a/0x50 [ 1230.123000][ T42] tcf_register_action+0xa3/0x600 [ 1230.123134][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1230.123302][ T42] do_one_initcall+0xc8/0x3f0 [ 1230.123435][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1230.123587][ T42] ? __create_object+0x5e/0xb0 [ 1230.123720][ T42] ? kasan_unpoison+0x27/0x60 [ 1230.123875][ T42] do_init_module+0x233/0x740 [ 1230.124019][ T42] load_module+0x16b5/0x2350 [ 1230.124163][ T42] ? __pfx_load_module+0x10/0x10 [ 1230.124293][ T42] ? kernel_read_file+0x3d2/0x520 [ 1230.124432][ T42] ? kernel_read_file+0x300/0x520 [ 1230.124565][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1230.124713][ T42] ? init_module_from_file+0xd2/0x130 [ 1230.124852][ T42] init_module_from_file+0xd2/0x130 [ 1230.124982][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1230.125145][ T42] ? __lock_release+0x103/0x460 [ 1230.125278][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.125418][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.125548][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1230.125681][ T42] idempotent_init_module+0x342/0x620 [ 1230.125823][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1230.126003][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1230.126140][ T42] do_syscall_64+0xc6/0x1e0 [ 1230.126364][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1230.126534][ T42] RIP: 0033:0x7f929d278e5d [ 1230.126662][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1230.126860][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 1230.127049][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 1230.127234][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 1230.127417][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 1230.127600][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 1230.127820][ T42] [ 1230.127915][ T42] [ 1230.127915][ T42] Showing all locks held in the system: [ 1230.128093][ T42] 2 locks held by kworker/u18:0/37: [ 1230.128219][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.128472][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.128754][ T42] 1 lock held by khungtaskd/42: [ 1230.128881][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1230.129107][ T42] 3 locks held by kworker/u16:1/73: [ 1230.129227][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.129476][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.129694][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1230.129925][ T42] 1 lock held by modprobe/887: [ 1230.130047][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1230.130296][ T42] [ 1230.130357][ T42] ============================================= [ 1230.130357][ T42] [ 1232.526861][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1232.527293][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.527293][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1232.527293][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1232.527293][ T73] fib6_nh_init+0xa22/0x1580 [ 1232.527293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.527293][ T73] ip6_route_add+0x1c/0x140 [ 1232.527293][ T73] inet6_rtm_newroute+0x104/0x110 [ 1232.527293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.527293][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.527293][ T73] netlink_unicast+0x449/0x710 [ 1232.527293][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.527293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.527293][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.527293][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.527293][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.527293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.527293][ T73] [ 1232.529423][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.529423][ T73] dst_init+0x84/0x4a0 [ 1232.529423][ T73] dst_alloc+0x97/0x150 [ 1232.529423][ T73] ip6_dst_alloc+0x23/0x90 [ 1232.529423][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1232.529423][ T73] ip6_pol_route+0x56f/0x840 [ 1232.529423][ T73] fib6_rule_lookup+0x456/0x630 [ 1232.529423][ T73] ip6_route_input+0x59c/0xa50 [ 1232.529423][ T73] ipv6_rcv+0x397/0x810 [ 1232.529423][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1232.529423][ T73] process_backlog+0x101/0x620 [ 1232.529423][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1232.529423][ T73] net_rx_action+0x495/0xbe0 [ 1232.529423][ T73] __do_softirq+0x1b5/0x7f6 [ 1232.529423][ T73] [ 1232.531283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.531283][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.531283][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.531283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.531283][ T73] ip6_route_add+0x1c/0x140 [ 1232.531283][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1232.531283][ T73] inet6_addr_add+0x4f8/0xa40 [ 1232.531283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.531283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.531283][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.531283][ T73] netlink_unicast+0x449/0x710 [ 1232.531283][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.531283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.531283][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.531283][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.531283][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.531283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.531283][ T73] [ 1232.533597][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.533597][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.533597][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.533597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.533597][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1232.533597][ T73] ipv6_add_addr+0x411/0x2000 [ 1232.533597][ T73] inet6_addr_add+0x30e/0xa40 [ 1232.533597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.533597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.533597][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.533597][ T73] netlink_unicast+0x449/0x710 [ 1232.533597][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.533597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.533597][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.533597][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.533597][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.533597][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.533597][ T73] [ 1232.535951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.535951][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.535951][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.535951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.535951][ T73] ip6_route_add+0x1c/0x140 [ 1232.535951][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1232.535951][ T73] addrconf_add_dev+0xe2/0x170 [ 1232.535951][ T73] inet6_addr_add+0x12f/0xa40 [ 1232.535951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.535951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.535951][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.535951][ T73] netlink_unicast+0x449/0x710 [ 1232.535951][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.535951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.535951][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.535951][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.535951][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.535951][ T73] [ 1232.538261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.538261][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1232.538261][ T73] ipv6_find_idev+0x102/0x170 [ 1232.538261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.538261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.538261][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.538261][ T73] netlink_unicast+0x449/0x710 [ 1232.538261][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.538261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.538261][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.538261][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.538261][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.538261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.538261][ T73] [ 1232.540075][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1232.540075][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1232.540075][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1232.540075][ T73] ipv6_find_idev+0x102/0x170 [ 1232.540075][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.540075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.540075][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.540075][ T73] netlink_unicast+0x449/0x710 [ 1232.540075][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.540075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.540075][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.540075][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.540075][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.540075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.540075][ T73] [ 1232.542060][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1232.542363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.542363][ T73] dst_init+0x84/0x4a0 [ 1232.542363][ T73] dst_alloc+0x97/0x150 [ 1232.542363][ T73] ip6_dst_alloc+0x23/0x90 [ 1232.542363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1232.542363][ T73] ip6_pol_route+0x56f/0x840 [ 1232.542363][ T73] fib6_rule_lookup+0x456/0x630 [ 1232.542363][ T73] ip6_route_input+0x59c/0xa50 [ 1232.542363][ T73] ipv6_rcv+0x397/0x810 [ 1232.542363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1232.542363][ T73] process_backlog+0x101/0x620 [ 1232.542363][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1232.542363][ T73] net_rx_action+0x495/0xbe0 [ 1232.542363][ T73] __do_softirq+0x1b5/0x7f6 [ 1232.542363][ T73] [ 1232.544275][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.544275][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.544275][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.544275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.544275][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1232.544275][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1232.544275][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1232.544275][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1232.544275][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1232.544275][ T73] addrconf_dad_begin+0x310/0x670 [ 1232.544275][ T73] addrconf_dad_work+0x10b/0xab0 [ 1232.544275][ T73] process_one_work+0x84d/0x18a0 [ 1232.544275][ T73] worker_thread+0x587/0xd30 [ 1232.544275][ T73] kthread+0x28a/0x350 [ 1232.544275][ T73] ret_from_fork+0x31/0x70 [ 1232.544275][ T73] ret_from_fork_asm+0x1a/0x30 [ 1232.544275][ T73] [ 1232.546524][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.546524][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.546524][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.546524][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.546524][ T73] ip6_route_add+0x1c/0x140 [ 1232.546524][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1232.546524][ T73] inet6_addr_add+0x4f8/0xa40 [ 1232.546524][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.546524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.546524][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.546524][ T73] netlink_unicast+0x449/0x710 [ 1232.546524][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.546524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.546524][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.546524][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.546524][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.546524][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.546524][ T73] [ 1232.548847][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.548847][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.548847][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.548847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.548847][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1232.548847][ T73] ipv6_add_addr+0x411/0x2000 [ 1232.548847][ T73] inet6_addr_add+0x30e/0xa40 [ 1232.548847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.548847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.548847][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.548847][ T73] netlink_unicast+0x449/0x710 [ 1232.548847][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.548847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.548847][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.548847][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.548847][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.548847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.548847][ T73] [ 1232.551211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.551211][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.551211][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.551211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.551211][ T73] ip6_route_add+0x1c/0x140 [ 1232.551211][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1232.551211][ T73] addrconf_add_dev+0xe2/0x170 [ 1232.551211][ T73] inet6_addr_add+0x12f/0xa40 [ 1232.551211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.551211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.551211][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.551211][ T73] netlink_unicast+0x449/0x710 [ 1232.551211][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.551211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.551211][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.551211][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.551211][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.551211][ T73] [ 1232.553520][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.553520][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1232.553520][ T73] ipv6_find_idev+0x102/0x170 [ 1232.553520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.553520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.553520][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.553520][ T73] netlink_unicast+0x449/0x710 [ 1232.553520][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.553520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.553520][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.553520][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.553520][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.553520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.553520][ T73] [ 1232.555341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1232.555341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1232.555341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1232.555341][ T73] ipv6_find_idev+0x102/0x170 [ 1232.555341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.555341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.555341][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.555341][ T73] netlink_unicast+0x449/0x710 [ 1232.555341][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.555341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.555341][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.555341][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.555341][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.555341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.555341][ T73] [ 1232.557392][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1232.557698][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.557698][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1232.557698][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1232.557698][ T73] fib6_nh_init+0xa22/0x1580 [ 1232.557698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.557698][ T73] ip6_route_add+0x1c/0x140 [ 1232.557698][ T73] inet6_rtm_newroute+0x104/0x110 [ 1232.557698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.557698][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.557698][ T73] netlink_unicast+0x449/0x710 [ 1232.557698][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.557698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.557698][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.557698][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.557698][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.557698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.557698][ T73] [ 1232.560117][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.560117][ T73] dst_init+0x84/0x4a0 [ 1232.560117][ T73] dst_alloc+0x97/0x150 [ 1232.560117][ T73] ip6_dst_alloc+0x23/0x90 [ 1232.560117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1232.560117][ T73] ip6_pol_route+0x56f/0x840 [ 1232.560117][ T73] fib6_rule_lookup+0x456/0x630 [ 1232.560117][ T73] ip6_route_input+0x59c/0xa50 [ 1232.560117][ T73] ipv6_rcv+0x397/0x810 [ 1232.560117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1232.560117][ T73] process_backlog+0x101/0x620 [ 1232.560117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1232.560117][ T73] net_rx_action+0x495/0xbe0 [ 1232.560117][ T73] __do_softirq+0x1b5/0x7f6 [ 1232.560117][ T73] [ 1232.562094][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.562094][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.562094][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.562094][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.562094][ T73] ip6_route_add+0x1c/0x140 [ 1232.562094][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1232.562094][ T73] inet6_addr_add+0x4f8/0xa40 [ 1232.562094][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.562094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.562094][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.562094][ T73] netlink_unicast+0x449/0x710 [ 1232.562094][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.562094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.562094][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.562094][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.562094][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.562094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.562094][ T73] [ 1232.564573][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.564573][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.564573][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.564573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.564573][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1232.564573][ T73] ipv6_add_addr+0x411/0x2000 [ 1232.564573][ T73] inet6_addr_add+0x30e/0xa40 [ 1232.564573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.564573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.564573][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.564573][ T73] netlink_unicast+0x449/0x710 [ 1232.564573][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.564573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.564573][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.564573][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.564573][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.564573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.564573][ T73] [ 1232.567067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.567067][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.567067][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.567067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.567067][ T73] ip6_route_add+0x1c/0x140 [ 1232.567067][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1232.567067][ T73] addrconf_add_dev+0xe2/0x170 [ 1232.567067][ T73] inet6_addr_add+0x12f/0xa40 [ 1232.567067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.567067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.567067][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.567067][ T73] netlink_unicast+0x449/0x710 [ 1232.567067][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.567067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.567067][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.567067][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.567067][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.567067][ T73] [ 1232.569495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.569495][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1232.569495][ T73] ipv6_find_idev+0x102/0x170 [ 1232.569495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.569495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.569495][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.569495][ T73] netlink_unicast+0x449/0x710 [ 1232.569495][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.569495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.569495][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.569495][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.569495][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.569495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.569495][ T73] [ 1232.571377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1232.571377][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1232.571377][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1232.571377][ T73] ipv6_find_idev+0x102/0x170 [ 1232.571377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.571377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.571377][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.571377][ T73] netlink_unicast+0x449/0x710 [ 1232.571377][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.571377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.571377][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.571377][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.571377][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.571377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.571377][ T73] [ 1232.573501][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1232.573809][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1232.573809][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.573809][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.573809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.573809][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1232.573809][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1232.573809][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1232.573809][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1232.573809][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1232.573809][ T73] addrconf_dad_begin+0x310/0x670 [ 1232.573809][ T73] addrconf_dad_work+0x10b/0xab0 [ 1232.573809][ T73] process_one_work+0x84d/0x18a0 [ 1232.573809][ T73] worker_thread+0x587/0xd30 [ 1232.573809][ T73] kthread+0x28a/0x350 [ 1232.573809][ T73] ret_from_fork+0x31/0x70 [ 1232.573809][ T73] ret_from_fork_asm+0x1a/0x30 [ 1232.573809][ T73] [ 1232.576182][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1232.576182][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.576182][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.576182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.576182][ T73] ip6_route_add+0x1c/0x140 [ 1232.576182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1232.576182][ T73] inet6_addr_add+0x4f8/0xa40 [ 1232.576182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.576182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.576182][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.576182][ T73] netlink_unicast+0x449/0x710 [ 1232.576182][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.576182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.576182][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.576182][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.576182][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.576182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.576182][ T73] [ 1232.578655][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1232.578655][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.578655][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.578655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.578655][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1232.578655][ T73] ipv6_add_addr+0x411/0x2000 [ 1232.578655][ T73] inet6_addr_add+0x30e/0xa40 [ 1232.578655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.578655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.578655][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.578655][ T73] netlink_unicast+0x449/0x710 [ 1232.578655][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.578655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.578655][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.578655][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.578655][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.578655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.578655][ T73] [ 1232.581167][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1232.581167][ T73] netdev_get_by_index+0x5e/0x80 [ 1232.581167][ T73] fib6_nh_init+0x3d8/0x1580 [ 1232.581167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1232.581167][ T73] ip6_route_add+0x1c/0x140 [ 1232.581167][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1232.581167][ T73] addrconf_add_dev+0xe2/0x170 [ 1232.581167][ T73] inet6_addr_add+0x12f/0xa40 [ 1232.581167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1232.581167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.581167][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.581167][ T73] netlink_unicast+0x449/0x710 [ 1232.581167][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.581167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.581167][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.581167][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.581167][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.581167][ T73] [ 1232.583602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1232.583602][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1232.583602][ T73] ipv6_find_idev+0x102/0x170 [ 1232.583602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.583602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.583602][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.583602][ T73] netlink_unicast+0x449/0x710 [ 1232.583602][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.583602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.583602][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.583602][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.583602][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.583602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.583602][ T73] [ 1232.585490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1232.585490][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1232.585490][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1232.585490][ T73] ipv6_find_idev+0x102/0x170 [ 1232.585490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1232.585490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1232.585490][ T73] netlink_rcv_skb+0x130/0x360 [ 1232.585490][ T73] netlink_unicast+0x449/0x710 [ 1232.585490][ T73] netlink_sendmsg+0x723/0xbe0 [ 1232.585490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1232.585490][ T73] ___sys_sendmsg+0xee/0x170 [ 1232.585490][ T73] __sys_sendmsg+0xcd/0x170 [ 1232.585490][ T73] do_syscall_64+0xc6/0x1e0 [ 1232.585490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1232.585490][ T73] [ 1242.830865][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1242.831363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.831363][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1242.831363][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1242.831363][ T73] fib6_nh_init+0xa22/0x1580 [ 1242.831363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.831363][ T73] ip6_route_add+0x1c/0x140 [ 1242.831363][ T73] inet6_rtm_newroute+0x104/0x110 [ 1242.831363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.831363][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.831363][ T73] netlink_unicast+0x449/0x710 [ 1242.831363][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.831363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.831363][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.831363][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.831363][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.831363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.831363][ T73] [ 1242.833459][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.833459][ T73] dst_init+0x84/0x4a0 [ 1242.833459][ T73] dst_alloc+0x97/0x150 [ 1242.833459][ T73] ip6_dst_alloc+0x23/0x90 [ 1242.833459][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1242.833459][ T73] ip6_pol_route+0x56f/0x840 [ 1242.833459][ T73] fib6_rule_lookup+0x456/0x630 [ 1242.833459][ T73] ip6_route_input+0x59c/0xa50 [ 1242.833459][ T73] ipv6_rcv+0x397/0x810 [ 1242.833459][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1242.833459][ T73] process_backlog+0x101/0x620 [ 1242.833459][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1242.833459][ T73] net_rx_action+0x495/0xbe0 [ 1242.833459][ T73] __do_softirq+0x1b5/0x7f6 [ 1242.833459][ T73] [ 1242.835325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.835325][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.835325][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.835325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.835325][ T73] ip6_route_add+0x1c/0x140 [ 1242.835325][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1242.835325][ T73] inet6_addr_add+0x4f8/0xa40 [ 1242.835325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.835325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.835325][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.835325][ T73] netlink_unicast+0x449/0x710 [ 1242.835325][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.835325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.835325][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.835325][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.835325][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.835325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.835325][ T73] [ 1242.837554][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.837554][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.837554][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.837554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.837554][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1242.837554][ T73] ipv6_add_addr+0x411/0x2000 [ 1242.837554][ T73] inet6_addr_add+0x30e/0xa40 [ 1242.837554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.837554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.837554][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.837554][ T73] netlink_unicast+0x449/0x710 [ 1242.837554][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.837554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.837554][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.837554][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.837554][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.837554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.837554][ T73] [ 1242.839780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.839780][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.839780][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.839780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.839780][ T73] ip6_route_add+0x1c/0x140 [ 1242.839780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1242.839780][ T73] addrconf_add_dev+0xe2/0x170 [ 1242.839780][ T73] inet6_addr_add+0x12f/0xa40 [ 1242.839780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.839780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.839780][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.839780][ T73] netlink_unicast+0x449/0x710 [ 1242.839780][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.839780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.839780][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.839780][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.839780][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.839780][ T73] [ 1242.841971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.841971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1242.841971][ T73] ipv6_find_idev+0x102/0x170 [ 1242.841971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.841971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.841971][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.841971][ T73] netlink_unicast+0x449/0x710 [ 1242.841971][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.841971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.841971][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.841971][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.841971][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.841971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.841971][ T73] [ 1242.843671][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1242.843671][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1242.843671][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1242.843671][ T73] ipv6_find_idev+0x102/0x170 [ 1242.843671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.843671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.843671][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.843671][ T73] netlink_unicast+0x449/0x710 [ 1242.843671][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.843671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.843671][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.843671][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.843671][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.843671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.843671][ T73] [ 1242.845561][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1242.845872][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.845872][ T73] dst_init+0x84/0x4a0 [ 1242.845872][ T73] dst_alloc+0x97/0x150 [ 1242.845872][ T73] ip6_dst_alloc+0x23/0x90 [ 1242.845872][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1242.845872][ T73] ip6_pol_route+0x56f/0x840 [ 1242.845872][ T73] fib6_rule_lookup+0x456/0x630 [ 1242.845872][ T73] ip6_route_input+0x59c/0xa50 [ 1242.845872][ T73] ipv6_rcv+0x397/0x810 [ 1242.845872][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1242.845872][ T73] process_backlog+0x101/0x620 [ 1242.845872][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1242.845872][ T73] net_rx_action+0x495/0xbe0 [ 1242.845872][ T73] __do_softirq+0x1b5/0x7f6 [ 1242.845872][ T73] [ 1242.847687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.847687][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.847687][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.847687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.847687][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1242.847687][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1242.847687][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1242.847687][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1242.847687][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1242.847687][ T73] addrconf_dad_begin+0x310/0x670 [ 1242.847687][ T73] addrconf_dad_work+0x10b/0xab0 [ 1242.847687][ T73] process_one_work+0x84d/0x18a0 [ 1242.847687][ T73] worker_thread+0x587/0xd30 [ 1242.847687][ T73] kthread+0x28a/0x350 [ 1242.847687][ T73] ret_from_fork+0x31/0x70 [ 1242.847687][ T73] ret_from_fork_asm+0x1a/0x30 [ 1242.847687][ T73] [ 1242.849785][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.849785][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.849785][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.849785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.849785][ T73] ip6_route_add+0x1c/0x140 [ 1242.849785][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1242.849785][ T73] inet6_addr_add+0x4f8/0xa40 [ 1242.849785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.849785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.849785][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.849785][ T73] netlink_unicast+0x449/0x710 [ 1242.849785][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.849785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.849785][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.849785][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.849785][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.849785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.849785][ T73] [ 1242.851984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.851984][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.851984][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.851984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.851984][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1242.851984][ T73] ipv6_add_addr+0x411/0x2000 [ 1242.851984][ T73] inet6_addr_add+0x30e/0xa40 [ 1242.851984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.851984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.851984][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.851984][ T73] netlink_unicast+0x449/0x710 [ 1242.851984][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.851984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.851984][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.851984][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.851984][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.851984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.851984][ T73] [ 1242.854211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.854211][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.854211][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.854211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.854211][ T73] ip6_route_add+0x1c/0x140 [ 1242.854211][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1242.854211][ T73] addrconf_add_dev+0xe2/0x170 [ 1242.854211][ T73] inet6_addr_add+0x12f/0xa40 [ 1242.854211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.854211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.854211][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.854211][ T73] netlink_unicast+0x449/0x710 [ 1242.854211][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.854211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.854211][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.854211][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.854211][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.854211][ T73] [ 1242.856442][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.856442][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1242.856442][ T73] ipv6_find_idev+0x102/0x170 [ 1242.856442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.856442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.856442][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.856442][ T73] netlink_unicast+0x449/0x710 [ 1242.856442][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.856442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.856442][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.856442][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.856442][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.856442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.856442][ T73] [ 1242.858153][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1242.858153][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1242.858153][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1242.858153][ T73] ipv6_find_idev+0x102/0x170 [ 1242.858153][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.858153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.858153][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.858153][ T73] netlink_unicast+0x449/0x710 [ 1242.858153][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.858153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.858153][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.858153][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.858153][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.858153][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.858153][ T73] [ 1242.860140][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1242.860427][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.860427][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1242.860427][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1242.860427][ T73] fib6_nh_init+0xa22/0x1580 [ 1242.860427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.860427][ T73] ip6_route_add+0x1c/0x140 [ 1242.860427][ T73] inet6_rtm_newroute+0x104/0x110 [ 1242.860427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.860427][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.860427][ T73] netlink_unicast+0x449/0x710 [ 1242.860427][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.860427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.860427][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.860427][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.860427][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.860427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.860427][ T73] [ 1242.863257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.863257][ T73] dst_init+0x84/0x4a0 [ 1242.863257][ T73] dst_alloc+0x97/0x150 [ 1242.863257][ T73] ip6_dst_alloc+0x23/0x90 [ 1242.863257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1242.863257][ T73] ip6_pol_route+0x56f/0x840 [ 1242.863257][ T73] fib6_rule_lookup+0x456/0x630 [ 1242.863257][ T73] ip6_route_input+0x59c/0xa50 [ 1242.863257][ T73] ipv6_rcv+0x397/0x810 [ 1242.863257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1242.863257][ T73] process_backlog+0x101/0x620 [ 1242.863257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1242.863257][ T73] net_rx_action+0x495/0xbe0 [ 1242.863257][ T73] __do_softirq+0x1b5/0x7f6 [ 1242.863257][ T73] [ 1242.865317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.865317][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.865317][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.865317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.865317][ T73] ip6_route_add+0x1c/0x140 [ 1242.865317][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1242.865317][ T73] inet6_addr_add+0x4f8/0xa40 [ 1242.865317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.865317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.865317][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.865317][ T73] netlink_unicast+0x449/0x710 [ 1242.865317][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.865317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.865317][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.865317][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.865317][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.865317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.865317][ T73] [ 1242.867867][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.867867][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.867867][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.867867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.867867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1242.867867][ T73] ipv6_add_addr+0x411/0x2000 [ 1242.867867][ T73] inet6_addr_add+0x30e/0xa40 [ 1242.867867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.867867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.867867][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.867867][ T73] netlink_unicast+0x449/0x710 [ 1242.867867][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.867867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.867867][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.867867][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.867867][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.867867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.867867][ T73] [ 1242.870363][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.870363][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.870363][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.870363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.870363][ T73] ip6_route_add+0x1c/0x140 [ 1242.870363][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1242.870363][ T73] addrconf_add_dev+0xe2/0x170 [ 1242.870363][ T73] inet6_addr_add+0x12f/0xa40 [ 1242.870363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.870363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.870363][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.870363][ T73] netlink_unicast+0x449/0x710 [ 1242.870363][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.870363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.870363][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.870363][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.870363][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.870363][ T73] [ 1242.872728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.872728][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1242.872728][ T73] ipv6_find_idev+0x102/0x170 [ 1242.872728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.872728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.872728][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.872728][ T73] netlink_unicast+0x449/0x710 [ 1242.872728][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.872728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.872728][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.872728][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.872728][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.872728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.872728][ T73] [ 1242.874613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1242.874613][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1242.874613][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1242.874613][ T73] ipv6_find_idev+0x102/0x170 [ 1242.874613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.874613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.874613][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.874613][ T73] netlink_unicast+0x449/0x710 [ 1242.874613][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.874613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.874613][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.874613][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.874613][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.874613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.874613][ T73] [ 1242.876806][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1242.877102][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1242.877102][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.877102][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.877102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.877102][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1242.877102][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1242.877102][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1242.877102][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1242.877102][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1242.877102][ T73] addrconf_dad_begin+0x310/0x670 [ 1242.877102][ T73] addrconf_dad_work+0x10b/0xab0 [ 1242.877102][ T73] process_one_work+0x84d/0x18a0 [ 1242.877102][ T73] worker_thread+0x587/0xd30 [ 1242.877102][ T73] kthread+0x28a/0x350 [ 1242.877102][ T73] ret_from_fork+0x31/0x70 [ 1242.877102][ T73] ret_from_fork_asm+0x1a/0x30 [ 1242.877102][ T73] [ 1242.879852][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1242.879852][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.879852][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.879852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.879852][ T73] ip6_route_add+0x1c/0x140 [ 1242.879852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1242.879852][ T73] inet6_addr_add+0x4f8/0xa40 [ 1242.879852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.879852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.879852][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.879852][ T73] netlink_unicast+0x449/0x710 [ 1242.879852][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.879852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.879852][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.879852][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.879852][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.879852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.879852][ T73] [ 1242.882279][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1242.882279][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.882279][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.882279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.882279][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1242.882279][ T73] ipv6_add_addr+0x411/0x2000 [ 1242.882279][ T73] inet6_addr_add+0x30e/0xa40 [ 1242.882279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.882279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.882279][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.882279][ T73] netlink_unicast+0x449/0x710 [ 1242.882279][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.882279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.882279][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.882279][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.882279][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.882279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.882279][ T73] [ 1242.884800][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1242.884800][ T73] netdev_get_by_index+0x5e/0x80 [ 1242.884800][ T73] fib6_nh_init+0x3d8/0x1580 [ 1242.884800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1242.884800][ T73] ip6_route_add+0x1c/0x140 [ 1242.884800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1242.884800][ T73] addrconf_add_dev+0xe2/0x170 [ 1242.884800][ T73] inet6_addr_add+0x12f/0xa40 [ 1242.884800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.884800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.884800][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.884800][ T73] netlink_unicast+0x449/0x710 [ 1242.884800][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.884800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.884800][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.884800][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.884800][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.884800][ T73] [ 1242.887223][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1242.887223][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1242.887223][ T73] ipv6_find_idev+0x102/0x170 [ 1242.887223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.887223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.887223][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.887223][ T73] netlink_unicast+0x449/0x710 [ 1242.887223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.887223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.887223][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.887223][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.887223][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.887223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.887223][ T73] [ 1242.889173][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1242.889173][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1242.889173][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1242.889173][ T73] ipv6_find_idev+0x102/0x170 [ 1242.889173][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.889173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.889173][ T73] netlink_rcv_skb+0x130/0x360 [ 1242.889173][ T73] netlink_unicast+0x449/0x710 [ 1242.889173][ T73] netlink_sendmsg+0x723/0xbe0 [ 1242.889173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1242.889173][ T73] ___sys_sendmsg+0xee/0x170 [ 1242.889173][ T73] __sys_sendmsg+0xcd/0x170 [ 1242.889173][ T73] do_syscall_64+0xc6/0x1e0 [ 1242.889173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.889173][ T73] [ 1253.126890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1253.127353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.127353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1253.127353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1253.127353][ T73] fib6_nh_init+0xa22/0x1580 [ 1253.127353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.127353][ T73] ip6_route_add+0x1c/0x140 [ 1253.127353][ T73] inet6_rtm_newroute+0x104/0x110 [ 1253.127353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.127353][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.127353][ T73] netlink_unicast+0x449/0x710 [ 1253.127353][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.127353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.127353][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.127353][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.127353][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.127353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.127353][ T73] [ 1253.129299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.129299][ T73] dst_init+0x84/0x4a0 [ 1253.129299][ T73] dst_alloc+0x97/0x150 [ 1253.129299][ T73] ip6_dst_alloc+0x23/0x90 [ 1253.129299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1253.129299][ T73] ip6_pol_route+0x56f/0x840 [ 1253.129299][ T73] fib6_rule_lookup+0x456/0x630 [ 1253.129299][ T73] ip6_route_input+0x59c/0xa50 [ 1253.129299][ T73] ipv6_rcv+0x397/0x810 [ 1253.129299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1253.129299][ T73] process_backlog+0x101/0x620 [ 1253.129299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1253.129299][ T73] net_rx_action+0x495/0xbe0 [ 1253.129299][ T73] __do_softirq+0x1b5/0x7f6 [ 1253.129299][ T73] [ 1253.130957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.130957][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.130957][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.130957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.130957][ T73] ip6_route_add+0x1c/0x140 [ 1253.130957][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1253.130957][ T73] inet6_addr_add+0x4f8/0xa40 [ 1253.130957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.130957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.130957][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.130957][ T73] netlink_unicast+0x449/0x710 [ 1253.130957][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.130957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.130957][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.130957][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.130957][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.130957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.130957][ T73] [ 1253.132952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.132952][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.132952][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.132952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.132952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1253.132952][ T73] ipv6_add_addr+0x411/0x2000 [ 1253.132952][ T73] inet6_addr_add+0x30e/0xa40 [ 1253.132952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.132952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.132952][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.132952][ T73] netlink_unicast+0x449/0x710 [ 1253.132952][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.132952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.132952][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.132952][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.132952][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.132952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.132952][ T73] [ 1253.134956][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.134956][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.134956][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.134956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.134956][ T73] ip6_route_add+0x1c/0x140 [ 1253.134956][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1253.134956][ T73] addrconf_add_dev+0xe2/0x170 [ 1253.134956][ T73] inet6_addr_add+0x12f/0xa40 [ 1253.134956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.134956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.134956][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.134956][ T73] netlink_unicast+0x449/0x710 [ 1253.134956][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.134956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.134956][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.134956][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.134956][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.134956][ T73] [ 1253.136919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.136919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1253.136919][ T73] ipv6_find_idev+0x102/0x170 [ 1253.136919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.136919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.136919][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.136919][ T73] netlink_unicast+0x449/0x710 [ 1253.136919][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.136919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.136919][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.136919][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.136919][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.136919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.136919][ T73] [ 1253.138455][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1253.138455][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1253.138455][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1253.138455][ T73] ipv6_find_idev+0x102/0x170 [ 1253.138455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.138455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.138455][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.138455][ T73] netlink_unicast+0x449/0x710 [ 1253.138455][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.138455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.138455][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.138455][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.138455][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.138455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.138455][ T73] [ 1253.140153][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1253.140423][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.140423][ T73] dst_init+0x84/0x4a0 [ 1253.140423][ T73] dst_alloc+0x97/0x150 [ 1253.140423][ T73] ip6_dst_alloc+0x23/0x90 [ 1253.140423][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1253.140423][ T73] ip6_pol_route+0x56f/0x840 [ 1253.140423][ T73] fib6_rule_lookup+0x456/0x630 [ 1253.140423][ T73] ip6_route_input+0x59c/0xa50 [ 1253.140423][ T73] ipv6_rcv+0x397/0x810 [ 1253.140423][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1253.140423][ T73] process_backlog+0x101/0x620 [ 1253.140423][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1253.140423][ T73] net_rx_action+0x495/0xbe0 [ 1253.140423][ T73] __do_softirq+0x1b5/0x7f6 [ 1253.140423][ T73] [ 1253.142139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.142139][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.142139][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.142139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.142139][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1253.142139][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1253.142139][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1253.142139][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1253.142139][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1253.142139][ T73] addrconf_dad_begin+0x310/0x670 [ 1253.142139][ T73] addrconf_dad_work+0x10b/0xab0 [ 1253.142139][ T73] process_one_work+0x84d/0x18a0 [ 1253.142139][ T73] worker_thread+0x587/0xd30 [ 1253.142139][ T73] kthread+0x28a/0x350 [ 1253.142139][ T73] ret_from_fork+0x31/0x70 [ 1253.142139][ T73] ret_from_fork_asm+0x1a/0x30 [ 1253.142139][ T73] [ 1253.144045][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.144045][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.144045][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.144045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.144045][ T73] ip6_route_add+0x1c/0x140 [ 1253.144045][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1253.144045][ T73] inet6_addr_add+0x4f8/0xa40 [ 1253.144045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.144045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.144045][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.144045][ T73] netlink_unicast+0x449/0x710 [ 1253.144045][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.144045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.144045][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.144045][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.144045][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.144045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.144045][ T73] [ 1253.146445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.146445][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.146445][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.146445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.146445][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1253.146445][ T73] ipv6_add_addr+0x411/0x2000 [ 1253.146445][ T73] inet6_addr_add+0x30e/0xa40 [ 1253.146445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.146445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.146445][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.146445][ T73] netlink_unicast+0x449/0x710 [ 1253.146445][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.146445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.146445][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.146445][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.146445][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.146445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.146445][ T73] [ 1253.148439][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.148439][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.148439][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.148439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.148439][ T73] ip6_route_add+0x1c/0x140 [ 1253.148439][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1253.148439][ T73] addrconf_add_dev+0xe2/0x170 [ 1253.148439][ T73] inet6_addr_add+0x12f/0xa40 [ 1253.148439][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.148439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.148439][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.148439][ T73] netlink_unicast+0x449/0x710 [ 1253.148439][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.148439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.148439][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.148439][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.148439][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.148439][ T73] [ 1253.150398][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.150398][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1253.150398][ T73] ipv6_find_idev+0x102/0x170 [ 1253.150398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.150398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.150398][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.150398][ T73] netlink_unicast+0x449/0x710 [ 1253.150398][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.150398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.150398][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.150398][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.150398][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.150398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.150398][ T73] [ 1253.151937][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1253.151937][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1253.151937][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1253.151937][ T73] ipv6_find_idev+0x102/0x170 [ 1253.151937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.151937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.151937][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.151937][ T73] netlink_unicast+0x449/0x710 [ 1253.151937][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.151937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.151937][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.151937][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.151937][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.151937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.151937][ T73] [ 1253.153745][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1253.154029][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.154029][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1253.154029][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1253.154029][ T73] fib6_nh_init+0xa22/0x1580 [ 1253.154029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.154029][ T73] ip6_route_add+0x1c/0x140 [ 1253.154029][ T73] inet6_rtm_newroute+0x104/0x110 [ 1253.154029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.154029][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.154029][ T73] netlink_unicast+0x449/0x710 [ 1253.154029][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.154029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.154029][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.154029][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.154029][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.154029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.154029][ T73] [ 1253.156226][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.156226][ T73] dst_init+0x84/0x4a0 [ 1253.156226][ T73] dst_alloc+0x97/0x150 [ 1253.156226][ T73] ip6_dst_alloc+0x23/0x90 [ 1253.156226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1253.156226][ T73] ip6_pol_route+0x56f/0x840 [ 1253.156226][ T73] fib6_rule_lookup+0x456/0x630 [ 1253.156226][ T73] ip6_route_input+0x59c/0xa50 [ 1253.156226][ T73] ipv6_rcv+0x397/0x810 [ 1253.156226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1253.156226][ T73] process_backlog+0x101/0x620 [ 1253.156226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1253.156226][ T73] net_rx_action+0x495/0xbe0 [ 1253.156226][ T73] __do_softirq+0x1b5/0x7f6 [ 1253.156226][ T73] [ 1253.158040][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.158040][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.158040][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.158040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.158040][ T73] ip6_route_add+0x1c/0x140 [ 1253.158040][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1253.158040][ T73] inet6_addr_add+0x4f8/0xa40 [ 1253.158040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.158040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.158040][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.158040][ T73] netlink_unicast+0x449/0x710 [ 1253.158040][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.158040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.158040][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.158040][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.158040][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.158040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.158040][ T73] [ 1253.160272][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.160272][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.160272][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.160272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.160272][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1253.160272][ T73] ipv6_add_addr+0x411/0x2000 [ 1253.160272][ T73] inet6_addr_add+0x30e/0xa40 [ 1253.160272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.160272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.160272][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.160272][ T73] netlink_unicast+0x449/0x710 [ 1253.160272][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.160272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.160272][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.160272][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.160272][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.160272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.160272][ T73] [ 1253.162643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.162643][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.162643][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.162643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.162643][ T73] ip6_route_add+0x1c/0x140 [ 1253.162643][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1253.162643][ T73] addrconf_add_dev+0xe2/0x170 [ 1253.162643][ T73] inet6_addr_add+0x12f/0xa40 [ 1253.162643][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.162643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.162643][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.162643][ T73] netlink_unicast+0x449/0x710 [ 1253.162643][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.162643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.162643][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.162643][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.162643][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.162643][ T73] [ 1253.164869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.164869][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1253.164869][ T73] ipv6_find_idev+0x102/0x170 [ 1253.164869][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.164869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.164869][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.164869][ T73] netlink_unicast+0x449/0x710 [ 1253.164869][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.164869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.164869][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.164869][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.164869][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.164869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.164869][ T73] [ 1253.166607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1253.166607][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1253.166607][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1253.166607][ T73] ipv6_find_idev+0x102/0x170 [ 1253.166607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.166607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.166607][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.166607][ T73] netlink_unicast+0x449/0x710 [ 1253.166607][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.166607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.166607][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.166607][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.166607][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.166607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.166607][ T73] [ 1253.168544][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1253.168818][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1253.168818][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.168818][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.168818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.168818][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1253.168818][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1253.168818][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1253.168818][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1253.168818][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1253.168818][ T73] addrconf_dad_begin+0x310/0x670 [ 1253.168818][ T73] addrconf_dad_work+0x10b/0xab0 [ 1253.168818][ T73] process_one_work+0x84d/0x18a0 [ 1253.168818][ T73] worker_thread+0x587/0xd30 [ 1253.168818][ T73] kthread+0x28a/0x350 [ 1253.168818][ T73] ret_from_fork+0x31/0x70 [ 1253.168818][ T73] ret_from_fork_asm+0x1a/0x30 [ 1253.168818][ T73] [ 1253.170990][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1253.170990][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.170990][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.170990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.170990][ T73] ip6_route_add+0x1c/0x140 [ 1253.170990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1253.170990][ T73] inet6_addr_add+0x4f8/0xa40 [ 1253.170990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.170990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.170990][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.170990][ T73] netlink_unicast+0x449/0x710 [ 1253.170990][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.170990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.170990][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.170990][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.170990][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.170990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.170990][ T73] [ 1253.173168][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1253.173168][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.173168][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.173168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.173168][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1253.173168][ T73] ipv6_add_addr+0x411/0x2000 [ 1253.173168][ T73] inet6_addr_add+0x30e/0xa40 [ 1253.173168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.173168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.173168][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.173168][ T73] netlink_unicast+0x449/0x710 [ 1253.173168][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.173168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.173168][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.173168][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.173168][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.173168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.173168][ T73] [ 1253.175485][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1253.175485][ T73] netdev_get_by_index+0x5e/0x80 [ 1253.175485][ T73] fib6_nh_init+0x3d8/0x1580 [ 1253.175485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1253.175485][ T73] ip6_route_add+0x1c/0x140 [ 1253.175485][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1253.175485][ T73] addrconf_add_dev+0xe2/0x170 [ 1253.175485][ T73] inet6_addr_add+0x12f/0xa40 [ 1253.175485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1253.175485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.175485][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.175485][ T73] netlink_unicast+0x449/0x710 [ 1253.175485][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.175485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.175485][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.175485][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.175485][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.175485][ T73] [ 1253.177730][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1253.177730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1253.177730][ T73] ipv6_find_idev+0x102/0x170 [ 1253.177730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.177730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.177730][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.177730][ T73] netlink_unicast+0x449/0x710 [ 1253.177730][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.177730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.177730][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.177730][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.177730][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.177730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.177730][ T73] [ 1253.179458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1253.179458][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1253.179458][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1253.179458][ T73] ipv6_find_idev+0x102/0x170 [ 1253.179458][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1253.179458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1253.179458][ T73] netlink_rcv_skb+0x130/0x360 [ 1253.179458][ T73] netlink_unicast+0x449/0x710 [ 1253.179458][ T73] netlink_sendmsg+0x723/0xbe0 [ 1253.179458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1253.179458][ T73] ___sys_sendmsg+0xee/0x170 [ 1253.179458][ T73] __sys_sendmsg+0xcd/0x170 [ 1253.179458][ T73] do_syscall_64+0xc6/0x1e0 [ 1253.179458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1253.179458][ T73] [ 1263.422941][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1263.423403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.423403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1263.423403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1263.423403][ T73] fib6_nh_init+0xa22/0x1580 [ 1263.423403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.423403][ T73] ip6_route_add+0x1c/0x140 [ 1263.423403][ T73] inet6_rtm_newroute+0x104/0x110 [ 1263.423403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.423403][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.423403][ T73] netlink_unicast+0x449/0x710 [ 1263.423403][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.423403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.423403][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.423403][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.423403][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.423403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.423403][ T73] [ 1263.425324][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.425324][ T73] dst_init+0x84/0x4a0 [ 1263.425324][ T73] dst_alloc+0x97/0x150 [ 1263.425324][ T73] ip6_dst_alloc+0x23/0x90 [ 1263.425324][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1263.425324][ T73] ip6_pol_route+0x56f/0x840 [ 1263.425324][ T73] fib6_rule_lookup+0x456/0x630 [ 1263.425324][ T73] ip6_route_input+0x59c/0xa50 [ 1263.425324][ T73] ipv6_rcv+0x397/0x810 [ 1263.425324][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1263.425324][ T73] process_backlog+0x101/0x620 [ 1263.425324][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1263.425324][ T73] net_rx_action+0x495/0xbe0 [ 1263.425324][ T73] __do_softirq+0x1b5/0x7f6 [ 1263.425324][ T73] [ 1263.426990][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.426990][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.426990][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.426990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.426990][ T73] ip6_route_add+0x1c/0x140 [ 1263.426990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1263.426990][ T73] inet6_addr_add+0x4f8/0xa40 [ 1263.426990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.426990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.426990][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.426990][ T73] netlink_unicast+0x449/0x710 [ 1263.426990][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.426990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.426990][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.426990][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.426990][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.426990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.426990][ T73] [ 1263.429001][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.429001][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.429001][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.429001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.429001][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1263.429001][ T73] ipv6_add_addr+0x411/0x2000 [ 1263.429001][ T73] inet6_addr_add+0x30e/0xa40 [ 1263.429001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.429001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.429001][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.429001][ T73] netlink_unicast+0x449/0x710 [ 1263.429001][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.429001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.429001][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.429001][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.429001][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.429001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.429001][ T73] [ 1263.431066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.431066][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.431066][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.431066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.431066][ T73] ip6_route_add+0x1c/0x140 [ 1263.431066][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1263.431066][ T73] addrconf_add_dev+0xe2/0x170 [ 1263.431066][ T73] inet6_addr_add+0x12f/0xa40 [ 1263.431066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.431066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.431066][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.431066][ T73] netlink_unicast+0x449/0x710 [ 1263.431066][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.431066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.431066][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.431066][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.431066][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.431066][ T73] [ 1263.433083][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.433083][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1263.433083][ T73] ipv6_find_idev+0x102/0x170 [ 1263.433083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.433083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.433083][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.433083][ T73] netlink_unicast+0x449/0x710 [ 1263.433083][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.433083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.433083][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.433083][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.433083][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.433083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.433083][ T73] [ 1263.434670][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1263.434670][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1263.434670][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1263.434670][ T73] ipv6_find_idev+0x102/0x170 [ 1263.434670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.434670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.434670][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.434670][ T73] netlink_unicast+0x449/0x710 [ 1263.434670][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.434670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.434670][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.434670][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.434670][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.434670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.434670][ T73] [ 1263.436421][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1263.436694][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.436694][ T73] dst_init+0x84/0x4a0 [ 1263.436694][ T73] dst_alloc+0x97/0x150 [ 1263.436694][ T73] ip6_dst_alloc+0x23/0x90 [ 1263.436694][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1263.436694][ T73] ip6_pol_route+0x56f/0x840 [ 1263.436694][ T73] fib6_rule_lookup+0x456/0x630 [ 1263.436694][ T73] ip6_route_input+0x59c/0xa50 [ 1263.436694][ T73] ipv6_rcv+0x397/0x810 [ 1263.436694][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1263.436694][ T73] process_backlog+0x101/0x620 [ 1263.436694][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1263.436694][ T73] net_rx_action+0x495/0xbe0 [ 1263.436694][ T73] __do_softirq+0x1b5/0x7f6 [ 1263.436694][ T73] [ 1263.438377][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.438377][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.438377][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.438377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.438377][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1263.438377][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1263.438377][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1263.438377][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1263.438377][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1263.438377][ T73] addrconf_dad_begin+0x310/0x670 [ 1263.438377][ T73] addrconf_dad_work+0x10b/0xab0 [ 1263.438377][ T73] process_one_work+0x84d/0x18a0 [ 1263.438377][ T73] worker_thread+0x587/0xd30 [ 1263.438377][ T73] kthread+0x28a/0x350 [ 1263.438377][ T73] ret_from_fork+0x31/0x70 [ 1263.438377][ T73] ret_from_fork_asm+0x1a/0x30 [ 1263.438377][ T73] [ 1263.440313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.440313][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.440313][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.440313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.440313][ T73] ip6_route_add+0x1c/0x140 [ 1263.440313][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1263.440313][ T73] inet6_addr_add+0x4f8/0xa40 [ 1263.440313][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.440313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.440313][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.440313][ T73] netlink_unicast+0x449/0x710 [ 1263.440313][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.440313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.440313][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.440313][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.440313][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.440313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.440313][ T73] [ 1263.442348][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.442348][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.442348][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.442348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.442348][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1263.442348][ T73] ipv6_add_addr+0x411/0x2000 [ 1263.442348][ T73] inet6_addr_add+0x30e/0xa40 [ 1263.442348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.442348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.442348][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.442348][ T73] netlink_unicast+0x449/0x710 [ 1263.442348][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.442348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.442348][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.442348][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.442348][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.442348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.442348][ T73] [ 1263.444385][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.444385][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.444385][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.444385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.444385][ T73] ip6_route_add+0x1c/0x140 [ 1263.444385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1263.444385][ T73] addrconf_add_dev+0xe2/0x170 [ 1263.444385][ T73] inet6_addr_add+0x12f/0xa40 [ 1263.444385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.444385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.444385][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.444385][ T73] netlink_unicast+0x449/0x710 [ 1263.444385][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.444385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.444385][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.444385][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.444385][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.444385][ T73] [ 1263.446410][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.446410][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1263.446410][ T73] ipv6_find_idev+0x102/0x170 [ 1263.446410][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.446410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.446410][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.446410][ T73] netlink_unicast+0x449/0x710 [ 1263.446410][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.446410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.446410][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.446410][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.446410][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.446410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.446410][ T73] [ 1263.447988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1263.447988][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1263.447988][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1263.447988][ T73] ipv6_find_idev+0x102/0x170 [ 1263.447988][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.447988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.447988][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.447988][ T73] netlink_unicast+0x449/0x710 [ 1263.447988][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.447988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.447988][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.447988][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.447988][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.447988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.447988][ T73] [ 1263.449844][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1263.450144][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.450144][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1263.450144][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1263.450144][ T73] fib6_nh_init+0xa22/0x1580 [ 1263.450144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.450144][ T73] ip6_route_add+0x1c/0x140 [ 1263.450144][ T73] inet6_rtm_newroute+0x104/0x110 [ 1263.450144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.450144][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.450144][ T73] netlink_unicast+0x449/0x710 [ 1263.450144][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.450144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.450144][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.450144][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.450144][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.450144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.450144][ T73] [ 1263.452388][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.452388][ T73] dst_init+0x84/0x4a0 [ 1263.452388][ T73] dst_alloc+0x97/0x150 [ 1263.452388][ T73] ip6_dst_alloc+0x23/0x90 [ 1263.452388][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1263.452388][ T73] ip6_pol_route+0x56f/0x840 [ 1263.452388][ T73] fib6_rule_lookup+0x456/0x630 [ 1263.452388][ T73] ip6_route_input+0x59c/0xa50 [ 1263.452388][ T73] ipv6_rcv+0x397/0x810 [ 1263.452388][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1263.452388][ T73] process_backlog+0x101/0x620 [ 1263.452388][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1263.452388][ T73] net_rx_action+0x495/0xbe0 [ 1263.452388][ T73] __do_softirq+0x1b5/0x7f6 [ 1263.452388][ T73] [ 1263.454230][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.454230][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.454230][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.454230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.454230][ T73] ip6_route_add+0x1c/0x140 [ 1263.454230][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1263.454230][ T73] inet6_addr_add+0x4f8/0xa40 [ 1263.454230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.454230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.454230][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.454230][ T73] netlink_unicast+0x449/0x710 [ 1263.454230][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.454230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.454230][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.454230][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.454230][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.454230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.454230][ T73] [ 1263.456531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.456531][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.456531][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.456531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.456531][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1263.456531][ T73] ipv6_add_addr+0x411/0x2000 [ 1263.456531][ T73] inet6_addr_add+0x30e/0xa40 [ 1263.456531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.456531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.456531][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.456531][ T73] netlink_unicast+0x449/0x710 [ 1263.456531][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.456531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.456531][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.456531][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.456531][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.456531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.456531][ T73] [ 1263.459253][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.459253][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.459253][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.459253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.459253][ T73] ip6_route_add+0x1c/0x140 [ 1263.459253][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1263.459253][ T73] addrconf_add_dev+0xe2/0x170 [ 1263.459253][ T73] inet6_addr_add+0x12f/0xa40 [ 1263.459253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.459253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.459253][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.459253][ T73] netlink_unicast+0x449/0x710 [ 1263.459253][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.459253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.459253][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.459253][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.459253][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.459253][ T73] [ 1263.461523][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.461523][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1263.461523][ T73] ipv6_find_idev+0x102/0x170 [ 1263.461523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.461523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.461523][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.461523][ T73] netlink_unicast+0x449/0x710 [ 1263.461523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.461523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.461523][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.461523][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.461523][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.461523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.461523][ T73] [ 1263.463198][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1263.463198][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1263.463198][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1263.463198][ T73] ipv6_find_idev+0x102/0x170 [ 1263.463198][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.463198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.463198][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.463198][ T73] netlink_unicast+0x449/0x710 [ 1263.463198][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.463198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.463198][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.463198][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.463198][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.463198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.463198][ T73] [ 1263.465336][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1263.465611][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1263.465611][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.465611][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.465611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.465611][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1263.465611][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1263.465611][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1263.465611][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1263.465611][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1263.465611][ T73] addrconf_dad_begin+0x310/0x670 [ 1263.465611][ T73] addrconf_dad_work+0x10b/0xab0 [ 1263.465611][ T73] process_one_work+0x84d/0x18a0 [ 1263.465611][ T73] worker_thread+0x587/0xd30 [ 1263.465611][ T73] kthread+0x28a/0x350 [ 1263.465611][ T73] ret_from_fork+0x31/0x70 [ 1263.465611][ T73] ret_from_fork_asm+0x1a/0x30 [ 1263.465611][ T73] [ 1263.467771][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1263.467771][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.467771][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.467771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.467771][ T73] ip6_route_add+0x1c/0x140 [ 1263.467771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1263.467771][ T73] inet6_addr_add+0x4f8/0xa40 [ 1263.467771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.467771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.467771][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.467771][ T73] netlink_unicast+0x449/0x710 [ 1263.467771][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.467771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.467771][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.467771][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.467771][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.467771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.467771][ T73] [ 1263.470016][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1263.470016][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.470016][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.470016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.470016][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1263.470016][ T73] ipv6_add_addr+0x411/0x2000 [ 1263.470016][ T73] inet6_addr_add+0x30e/0xa40 [ 1263.470016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.470016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.470016][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.470016][ T73] netlink_unicast+0x449/0x710 [ 1263.470016][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.470016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.470016][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.470016][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.470016][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.470016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.470016][ T73] [ 1263.472254][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1263.472254][ T73] netdev_get_by_index+0x5e/0x80 [ 1263.472254][ T73] fib6_nh_init+0x3d8/0x1580 [ 1263.472254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1263.472254][ T73] ip6_route_add+0x1c/0x140 [ 1263.472254][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1263.472254][ T73] addrconf_add_dev+0xe2/0x170 [ 1263.472254][ T73] inet6_addr_add+0x12f/0xa40 [ 1263.472254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1263.472254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.472254][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.472254][ T73] netlink_unicast+0x449/0x710 [ 1263.472254][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.472254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.472254][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.472254][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.472254][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.472254][ T73] [ 1263.474463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1263.474463][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1263.474463][ T73] ipv6_find_idev+0x102/0x170 [ 1263.474463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.474463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.474463][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.474463][ T73] netlink_unicast+0x449/0x710 [ 1263.474463][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.474463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.474463][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.474463][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.474463][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.474463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.474463][ T73] [ 1263.476601][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1263.476601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1263.476601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1263.476601][ T73] ipv6_find_idev+0x102/0x170 [ 1263.476601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1263.476601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1263.476601][ T73] netlink_rcv_skb+0x130/0x360 [ 1263.476601][ T73] netlink_unicast+0x449/0x710 [ 1263.476601][ T73] netlink_sendmsg+0x723/0xbe0 [ 1263.476601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1263.476601][ T73] ___sys_sendmsg+0xee/0x170 [ 1263.476601][ T73] __sys_sendmsg+0xcd/0x170 [ 1263.476601][ T73] do_syscall_64+0xc6/0x1e0 [ 1263.476601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1263.476601][ T73] [ 1273.726865][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1273.727259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.727259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1273.727259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1273.727259][ T73] fib6_nh_init+0xa22/0x1580 [ 1273.727259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.727259][ T73] ip6_route_add+0x1c/0x140 [ 1273.727259][ T73] inet6_rtm_newroute+0x104/0x110 [ 1273.727259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.727259][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.727259][ T73] netlink_unicast+0x449/0x710 [ 1273.727259][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.727259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.727259][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.727259][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.727259][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.727259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.727259][ T73] [ 1273.729347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.729347][ T73] dst_init+0x84/0x4a0 [ 1273.729347][ T73] dst_alloc+0x97/0x150 [ 1273.729347][ T73] ip6_dst_alloc+0x23/0x90 [ 1273.729347][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1273.729347][ T73] ip6_pol_route+0x56f/0x840 [ 1273.729347][ T73] fib6_rule_lookup+0x456/0x630 [ 1273.729347][ T73] ip6_route_input+0x59c/0xa50 [ 1273.729347][ T73] ipv6_rcv+0x397/0x810 [ 1273.729347][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1273.729347][ T73] process_backlog+0x101/0x620 [ 1273.729347][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1273.729347][ T73] net_rx_action+0x495/0xbe0 [ 1273.729347][ T73] __do_softirq+0x1b5/0x7f6 [ 1273.729347][ T73] [ 1273.731052][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.731052][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.731052][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.731052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.731052][ T73] ip6_route_add+0x1c/0x140 [ 1273.731052][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1273.731052][ T73] inet6_addr_add+0x4f8/0xa40 [ 1273.731052][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.731052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.731052][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.731052][ T73] netlink_unicast+0x449/0x710 [ 1273.731052][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.731052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.731052][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.731052][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.731052][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.731052][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.731052][ T73] [ 1273.733092][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.733092][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.733092][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.733092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.733092][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1273.733092][ T73] ipv6_add_addr+0x411/0x2000 [ 1273.733092][ T73] inet6_addr_add+0x30e/0xa40 [ 1273.733092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.733092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.733092][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.733092][ T73] netlink_unicast+0x449/0x710 [ 1273.733092][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.733092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.733092][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.733092][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.733092][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.733092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.733092][ T73] [ 1273.735153][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.735153][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.735153][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.735153][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.735153][ T73] ip6_route_add+0x1c/0x140 [ 1273.735153][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1273.735153][ T73] addrconf_add_dev+0xe2/0x170 [ 1273.735153][ T73] inet6_addr_add+0x12f/0xa40 [ 1273.735153][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.735153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.735153][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.735153][ T73] netlink_unicast+0x449/0x710 [ 1273.735153][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.735153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.735153][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.735153][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.735153][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.735153][ T73] [ 1273.737126][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.737126][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1273.737126][ T73] ipv6_find_idev+0x102/0x170 [ 1273.737126][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.737126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.737126][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.737126][ T73] netlink_unicast+0x449/0x710 [ 1273.737126][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.737126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.737126][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.737126][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.737126][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.737126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.737126][ T73] [ 1273.738684][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1273.738684][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1273.738684][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1273.738684][ T73] ipv6_find_idev+0x102/0x170 [ 1273.738684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.738684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.738684][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.738684][ T73] netlink_unicast+0x449/0x710 [ 1273.738684][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.738684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.738684][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.738684][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.738684][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.738684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.738684][ T73] [ 1273.740410][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1273.740687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.740687][ T73] dst_init+0x84/0x4a0 [ 1273.740687][ T73] dst_alloc+0x97/0x150 [ 1273.740687][ T73] ip6_dst_alloc+0x23/0x90 [ 1273.740687][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1273.740687][ T73] ip6_pol_route+0x56f/0x840 [ 1273.740687][ T73] fib6_rule_lookup+0x456/0x630 [ 1273.740687][ T73] ip6_route_input+0x59c/0xa50 [ 1273.740687][ T73] ipv6_rcv+0x397/0x810 [ 1273.740687][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1273.740687][ T73] process_backlog+0x101/0x620 [ 1273.740687][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1273.740687][ T73] net_rx_action+0x495/0xbe0 [ 1273.740687][ T73] __do_softirq+0x1b5/0x7f6 [ 1273.740687][ T73] [ 1273.742358][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.742358][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.742358][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.742358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.742358][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1273.742358][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1273.742358][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1273.742358][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1273.742358][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1273.742358][ T73] addrconf_dad_begin+0x310/0x670 [ 1273.742358][ T73] addrconf_dad_work+0x10b/0xab0 [ 1273.742358][ T73] process_one_work+0x84d/0x18a0 [ 1273.742358][ T73] worker_thread+0x587/0xd30 [ 1273.742358][ T73] kthread+0x28a/0x350 [ 1273.742358][ T73] ret_from_fork+0x31/0x70 [ 1273.742358][ T73] ret_from_fork_asm+0x1a/0x30 [ 1273.742358][ T73] [ 1273.744300][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.744300][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.744300][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.744300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.744300][ T73] ip6_route_add+0x1c/0x140 [ 1273.744300][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1273.744300][ T73] inet6_addr_add+0x4f8/0xa40 [ 1273.744300][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.744300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.744300][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.744300][ T73] netlink_unicast+0x449/0x710 [ 1273.744300][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.744300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.744300][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.744300][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.744300][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.744300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.744300][ T73] [ 1273.746494][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.746494][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.746494][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.746494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.746494][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1273.746494][ T73] ipv6_add_addr+0x411/0x2000 [ 1273.746494][ T73] inet6_addr_add+0x30e/0xa40 [ 1273.746494][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.746494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.746494][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.746494][ T73] netlink_unicast+0x449/0x710 [ 1273.746494][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.746494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.746494][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.746494][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.746494][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.746494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.746494][ T73] [ 1273.748620][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.748620][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.748620][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.748620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.748620][ T73] ip6_route_add+0x1c/0x140 [ 1273.748620][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1273.748620][ T73] addrconf_add_dev+0xe2/0x170 [ 1273.748620][ T73] inet6_addr_add+0x12f/0xa40 [ 1273.748620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.748620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.748620][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.748620][ T73] netlink_unicast+0x449/0x710 [ 1273.748620][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.748620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.748620][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.748620][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.748620][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.748620][ T73] [ 1273.750666][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.750666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1273.750666][ T73] ipv6_find_idev+0x102/0x170 [ 1273.750666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.750666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.750666][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.750666][ T73] netlink_unicast+0x449/0x710 [ 1273.750666][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.750666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.750666][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.750666][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.750666][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.750666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.750666][ T73] [ 1273.752235][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1273.752235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1273.752235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1273.752235][ T73] ipv6_find_idev+0x102/0x170 [ 1273.752235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.752235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.752235][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.752235][ T73] netlink_unicast+0x449/0x710 [ 1273.752235][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.752235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.752235][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.752235][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.752235][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.752235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.752235][ T73] [ 1273.754104][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1273.754391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.754391][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1273.754391][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1273.754391][ T73] fib6_nh_init+0xa22/0x1580 [ 1273.754391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.754391][ T73] ip6_route_add+0x1c/0x140 [ 1273.754391][ T73] inet6_rtm_newroute+0x104/0x110 [ 1273.754391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.754391][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.754391][ T73] netlink_unicast+0x449/0x710 [ 1273.754391][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.754391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.754391][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.754391][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.754391][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.754391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.754391][ T73] [ 1273.756597][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.756597][ T73] dst_init+0x84/0x4a0 [ 1273.756597][ T73] dst_alloc+0x97/0x150 [ 1273.756597][ T73] ip6_dst_alloc+0x23/0x90 [ 1273.756597][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1273.756597][ T73] ip6_pol_route+0x56f/0x840 [ 1273.756597][ T73] fib6_rule_lookup+0x456/0x630 [ 1273.756597][ T73] ip6_route_input+0x59c/0xa50 [ 1273.756597][ T73] ipv6_rcv+0x397/0x810 [ 1273.756597][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1273.756597][ T73] process_backlog+0x101/0x620 [ 1273.756597][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1273.756597][ T73] net_rx_action+0x495/0xbe0 [ 1273.756597][ T73] __do_softirq+0x1b5/0x7f6 [ 1273.756597][ T73] [ 1273.758543][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.758543][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.758543][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.758543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.758543][ T73] ip6_route_add+0x1c/0x140 [ 1273.758543][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1273.758543][ T73] inet6_addr_add+0x4f8/0xa40 [ 1273.758543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.758543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.758543][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.758543][ T73] netlink_unicast+0x449/0x710 [ 1273.758543][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.758543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.758543][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.758543][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.758543][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.758543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.758543][ T73] [ 1273.760999][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.760999][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.760999][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.760999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.760999][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1273.760999][ T73] ipv6_add_addr+0x411/0x2000 [ 1273.760999][ T73] inet6_addr_add+0x30e/0xa40 [ 1273.760999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.760999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.760999][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.760999][ T73] netlink_unicast+0x449/0x710 [ 1273.760999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.760999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.760999][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.760999][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.760999][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.760999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.760999][ T73] [ 1273.763375][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.763375][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.763375][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.763375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.763375][ T73] ip6_route_add+0x1c/0x140 [ 1273.763375][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1273.763375][ T73] addrconf_add_dev+0xe2/0x170 [ 1273.763375][ T73] inet6_addr_add+0x12f/0xa40 [ 1273.763375][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.763375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.763375][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.763375][ T73] netlink_unicast+0x449/0x710 [ 1273.763375][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.763375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.763375][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.763375][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.763375][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.763375][ T73] [ 1273.765610][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.765610][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1273.765610][ T73] ipv6_find_idev+0x102/0x170 [ 1273.765610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.765610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.765610][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.765610][ T73] netlink_unicast+0x449/0x710 [ 1273.765610][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.765610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.765610][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.765610][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.765610][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.765610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.765610][ T73] [ 1273.767292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1273.767292][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1273.767292][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1273.767292][ T73] ipv6_find_idev+0x102/0x170 [ 1273.767292][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.767292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.767292][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.767292][ T73] netlink_unicast+0x449/0x710 [ 1273.767292][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.767292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.767292][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.767292][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.767292][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.767292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.767292][ T73] [ 1273.769345][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1273.769619][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1273.769619][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.769619][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.769619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.769619][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1273.769619][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1273.769619][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1273.769619][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1273.769619][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1273.769619][ T73] addrconf_dad_begin+0x310/0x670 [ 1273.769619][ T73] addrconf_dad_work+0x10b/0xab0 [ 1273.769619][ T73] process_one_work+0x84d/0x18a0 [ 1273.769619][ T73] worker_thread+0x587/0xd30 [ 1273.769619][ T73] kthread+0x28a/0x350 [ 1273.769619][ T73] ret_from_fork+0x31/0x70 [ 1273.769619][ T73] ret_from_fork_asm+0x1a/0x30 [ 1273.769619][ T73] [ 1273.771788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1273.771788][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.771788][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.771788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.771788][ T73] ip6_route_add+0x1c/0x140 [ 1273.771788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1273.771788][ T73] inet6_addr_add+0x4f8/0xa40 [ 1273.771788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.771788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.771788][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.771788][ T73] netlink_unicast+0x449/0x710 [ 1273.771788][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.771788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.771788][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.771788][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.771788][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.771788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.771788][ T73] [ 1273.774079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1273.774079][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.774079][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.774079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.774079][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1273.774079][ T73] ipv6_add_addr+0x411/0x2000 [ 1273.774079][ T73] inet6_addr_add+0x30e/0xa40 [ 1273.774079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.774079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.774079][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.774079][ T73] netlink_unicast+0x449/0x710 [ 1273.774079][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.774079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.774079][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.774079][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.774079][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.774079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.774079][ T73] [ 1273.776296][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1273.776296][ T73] netdev_get_by_index+0x5e/0x80 [ 1273.776296][ T73] fib6_nh_init+0x3d8/0x1580 [ 1273.776296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1273.776296][ T73] ip6_route_add+0x1c/0x140 [ 1273.776296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1273.776296][ T73] addrconf_add_dev+0xe2/0x170 [ 1273.776296][ T73] inet6_addr_add+0x12f/0xa40 [ 1273.776296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1273.776296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.776296][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.776296][ T73] netlink_unicast+0x449/0x710 [ 1273.776296][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.776296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.776296][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.776296][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.776296][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.776296][ T73] [ 1273.778491][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1273.778491][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1273.778491][ T73] ipv6_find_idev+0x102/0x170 [ 1273.778491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.778491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.778491][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.778491][ T73] netlink_unicast+0x449/0x710 [ 1273.778491][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.778491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.778491][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.778491][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.778491][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.778491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.778491][ T73] [ 1273.780289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1273.780289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1273.780289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1273.780289][ T73] ipv6_find_idev+0x102/0x170 [ 1273.780289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1273.780289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1273.780289][ T73] netlink_rcv_skb+0x130/0x360 [ 1273.780289][ T73] netlink_unicast+0x449/0x710 [ 1273.780289][ T73] netlink_sendmsg+0x723/0xbe0 [ 1273.780289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1273.780289][ T73] ___sys_sendmsg+0xee/0x170 [ 1273.780289][ T73] __sys_sendmsg+0xcd/0x170 [ 1273.780289][ T73] do_syscall_64+0xc6/0x1e0 [ 1273.780289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1273.780289][ T73] [ 1283.782858][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1283.783404][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.783404][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1283.783404][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1283.783404][ T73] fib6_nh_init+0xa22/0x1580 [ 1283.783404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.783404][ T73] ip6_route_add+0x1c/0x140 [ 1283.783404][ T73] inet6_rtm_newroute+0x104/0x110 [ 1283.783404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.783404][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.783404][ T73] netlink_unicast+0x449/0x710 [ 1283.783404][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.783404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.783404][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.783404][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.783404][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.783404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.783404][ T73] [ 1283.785392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.785392][ T73] dst_init+0x84/0x4a0 [ 1283.785392][ T73] dst_alloc+0x97/0x150 [ 1283.785392][ T73] ip6_dst_alloc+0x23/0x90 [ 1283.785392][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1283.785392][ T73] ip6_pol_route+0x56f/0x840 [ 1283.785392][ T73] fib6_rule_lookup+0x456/0x630 [ 1283.785392][ T73] ip6_route_input+0x59c/0xa50 [ 1283.785392][ T73] ipv6_rcv+0x397/0x810 [ 1283.785392][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1283.785392][ T73] process_backlog+0x101/0x620 [ 1283.785392][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1283.785392][ T73] net_rx_action+0x495/0xbe0 [ 1283.785392][ T73] __do_softirq+0x1b5/0x7f6 [ 1283.785392][ T73] [ 1283.787041][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.787041][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.787041][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.787041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.787041][ T73] ip6_route_add+0x1c/0x140 [ 1283.787041][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1283.787041][ T73] inet6_addr_add+0x4f8/0xa40 [ 1283.787041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.787041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.787041][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.787041][ T73] netlink_unicast+0x449/0x710 [ 1283.787041][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.787041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.787041][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.787041][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.787041][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.787041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.787041][ T73] [ 1283.789033][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.789033][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.789033][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.789033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.789033][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1283.789033][ T73] ipv6_add_addr+0x411/0x2000 [ 1283.789033][ T73] inet6_addr_add+0x30e/0xa40 [ 1283.789033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.789033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.789033][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.789033][ T73] netlink_unicast+0x449/0x710 [ 1283.789033][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.789033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.789033][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.789033][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.789033][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.789033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.789033][ T73] [ 1283.791029][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.791029][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.791029][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.791029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.791029][ T73] ip6_route_add+0x1c/0x140 [ 1283.791029][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1283.791029][ T73] addrconf_add_dev+0xe2/0x170 [ 1283.791029][ T73] inet6_addr_add+0x12f/0xa40 [ 1283.791029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.791029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.791029][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.791029][ T73] netlink_unicast+0x449/0x710 [ 1283.791029][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.791029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.791029][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.791029][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.791029][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.791029][ T73] [ 1283.792992][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.792992][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1283.792992][ T73] ipv6_find_idev+0x102/0x170 [ 1283.792992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.792992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.792992][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.792992][ T73] netlink_unicast+0x449/0x710 [ 1283.792992][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.792992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.792992][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.792992][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.792992][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.792992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.792992][ T73] [ 1283.794547][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1283.794547][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1283.794547][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1283.794547][ T73] ipv6_find_idev+0x102/0x170 [ 1283.794547][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.794547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.794547][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.794547][ T73] netlink_unicast+0x449/0x710 [ 1283.794547][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.794547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.794547][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.794547][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.794547][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.794547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.794547][ T73] [ 1283.796238][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1283.796513][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.796513][ T73] dst_init+0x84/0x4a0 [ 1283.796513][ T73] dst_alloc+0x97/0x150 [ 1283.796513][ T73] ip6_dst_alloc+0x23/0x90 [ 1283.796513][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1283.796513][ T73] ip6_pol_route+0x56f/0x840 [ 1283.796513][ T73] fib6_rule_lookup+0x456/0x630 [ 1283.796513][ T73] ip6_route_input+0x59c/0xa50 [ 1283.796513][ T73] ipv6_rcv+0x397/0x810 [ 1283.796513][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1283.796513][ T73] process_backlog+0x101/0x620 [ 1283.796513][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1283.796513][ T73] net_rx_action+0x495/0xbe0 [ 1283.796513][ T73] __do_softirq+0x1b5/0x7f6 [ 1283.796513][ T73] [ 1283.798161][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.798161][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.798161][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.798161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.798161][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1283.798161][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1283.798161][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1283.798161][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1283.798161][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1283.798161][ T73] addrconf_dad_begin+0x310/0x670 [ 1283.798161][ T73] addrconf_dad_work+0x10b/0xab0 [ 1283.798161][ T73] process_one_work+0x84d/0x18a0 [ 1283.798161][ T73] worker_thread+0x587/0xd30 [ 1283.798161][ T73] kthread+0x28a/0x350 [ 1283.798161][ T73] ret_from_fork+0x31/0x70 [ 1283.798161][ T73] ret_from_fork_asm+0x1a/0x30 [ 1283.798161][ T73] [ 1283.800063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.800063][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.800063][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.800063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.800063][ T73] ip6_route_add+0x1c/0x140 [ 1283.800063][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1283.800063][ T73] inet6_addr_add+0x4f8/0xa40 [ 1283.800063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.800063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.800063][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.800063][ T73] netlink_unicast+0x449/0x710 [ 1283.800063][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.800063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.800063][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.800063][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.800063][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.800063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.800063][ T73] [ 1283.802096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.802096][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.802096][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.802096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.802096][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1283.802096][ T73] ipv6_add_addr+0x411/0x2000 [ 1283.802096][ T73] inet6_addr_add+0x30e/0xa40 [ 1283.802096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.802096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.802096][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.802096][ T73] netlink_unicast+0x449/0x710 [ 1283.802096][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.802096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.802096][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.802096][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.802096][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.802096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.802096][ T73] [ 1283.804107][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.804107][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.804107][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.804107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.804107][ T73] ip6_route_add+0x1c/0x140 [ 1283.804107][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1283.804107][ T73] addrconf_add_dev+0xe2/0x170 [ 1283.804107][ T73] inet6_addr_add+0x12f/0xa40 [ 1283.804107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.804107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.804107][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.804107][ T73] netlink_unicast+0x449/0x710 [ 1283.804107][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.804107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.804107][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.804107][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.804107][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.804107][ T73] [ 1283.806064][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.806064][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1283.806064][ T73] ipv6_find_idev+0x102/0x170 [ 1283.806064][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.806064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.806064][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.806064][ T73] netlink_unicast+0x449/0x710 [ 1283.806064][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.806064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.806064][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.806064][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.806064][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.806064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.806064][ T73] [ 1283.807599][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1283.807599][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1283.807599][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1283.807599][ T73] ipv6_find_idev+0x102/0x170 [ 1283.807599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.807599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.807599][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.807599][ T73] netlink_unicast+0x449/0x710 [ 1283.807599][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.807599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.807599][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.807599][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.807599][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.807599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.807599][ T73] [ 1283.809441][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1283.809715][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.809715][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1283.809715][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1283.809715][ T73] fib6_nh_init+0xa22/0x1580 [ 1283.809715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.809715][ T73] ip6_route_add+0x1c/0x140 [ 1283.809715][ T73] inet6_rtm_newroute+0x104/0x110 [ 1283.809715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.809715][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.809715][ T73] netlink_unicast+0x449/0x710 [ 1283.809715][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.809715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.809715][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.809715][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.809715][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.809715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.809715][ T73] [ 1283.811834][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.811834][ T73] dst_init+0x84/0x4a0 [ 1283.811834][ T73] dst_alloc+0x97/0x150 [ 1283.811834][ T73] ip6_dst_alloc+0x23/0x90 [ 1283.811834][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1283.811834][ T73] ip6_pol_route+0x56f/0x840 [ 1283.811834][ T73] fib6_rule_lookup+0x456/0x630 [ 1283.811834][ T73] ip6_route_input+0x59c/0xa50 [ 1283.811834][ T73] ipv6_rcv+0x397/0x810 [ 1283.811834][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1283.811834][ T73] process_backlog+0x101/0x620 [ 1283.811834][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1283.811834][ T73] net_rx_action+0x495/0xbe0 [ 1283.811834][ T73] __do_softirq+0x1b5/0x7f6 [ 1283.811834][ T73] [ 1283.813642][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.813642][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.813642][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.813642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.813642][ T73] ip6_route_add+0x1c/0x140 [ 1283.813642][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1283.813642][ T73] inet6_addr_add+0x4f8/0xa40 [ 1283.813642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.813642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.813642][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.813642][ T73] netlink_unicast+0x449/0x710 [ 1283.813642][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.813642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.813642][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.813642][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.813642][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.813642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.813642][ T73] [ 1283.815919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.815919][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.815919][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.815919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.815919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1283.815919][ T73] ipv6_add_addr+0x411/0x2000 [ 1283.815919][ T73] inet6_addr_add+0x30e/0xa40 [ 1283.815919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.815919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.815919][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.815919][ T73] netlink_unicast+0x449/0x710 [ 1283.815919][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.815919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.815919][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.815919][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.815919][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.815919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.815919][ T73] [ 1283.818113][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.818113][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.818113][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.818113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.818113][ T73] ip6_route_add+0x1c/0x140 [ 1283.818113][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1283.818113][ T73] addrconf_add_dev+0xe2/0x170 [ 1283.818113][ T73] inet6_addr_add+0x12f/0xa40 [ 1283.818113][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.818113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.818113][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.818113][ T73] netlink_unicast+0x449/0x710 [ 1283.818113][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.818113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.818113][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.818113][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.818113][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.818113][ T73] [ 1283.820390][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.820390][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1283.820390][ T73] ipv6_find_idev+0x102/0x170 [ 1283.820390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.820390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.820390][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.820390][ T73] netlink_unicast+0x449/0x710 [ 1283.820390][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.820390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.820390][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.820390][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.820390][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.820390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.820390][ T73] [ 1283.822045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1283.822045][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1283.822045][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1283.822045][ T73] ipv6_find_idev+0x102/0x170 [ 1283.822045][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.822045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.822045][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.822045][ T73] netlink_unicast+0x449/0x710 [ 1283.822045][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.822045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.822045][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.822045][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.822045][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.822045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.822045][ T73] [ 1283.823983][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1283.824265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1283.824265][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.824265][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.824265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.824265][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1283.824265][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1283.824265][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1283.824265][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1283.824265][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1283.824265][ T73] addrconf_dad_begin+0x310/0x670 [ 1283.824265][ T73] addrconf_dad_work+0x10b/0xab0 [ 1283.824265][ T73] process_one_work+0x84d/0x18a0 [ 1283.824265][ T73] worker_thread+0x587/0xd30 [ 1283.824265][ T73] kthread+0x28a/0x350 [ 1283.824265][ T73] ret_from_fork+0x31/0x70 [ 1283.824265][ T73] ret_from_fork_asm+0x1a/0x30 [ 1283.824265][ T73] [ 1283.826427][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1283.826427][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.826427][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.826427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.826427][ T73] ip6_route_add+0x1c/0x140 [ 1283.826427][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1283.826427][ T73] inet6_addr_add+0x4f8/0xa40 [ 1283.826427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.826427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.826427][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.826427][ T73] netlink_unicast+0x449/0x710 [ 1283.826427][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.826427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.826427][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.826427][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.826427][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.826427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.826427][ T73] [ 1283.828739][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1283.828739][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.828739][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.828739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.828739][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1283.828739][ T73] ipv6_add_addr+0x411/0x2000 [ 1283.828739][ T73] inet6_addr_add+0x30e/0xa40 [ 1283.828739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.828739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.828739][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.828739][ T73] netlink_unicast+0x449/0x710 [ 1283.828739][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.828739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.828739][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.828739][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.828739][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.828739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.828739][ T73] [ 1283.830925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1283.830925][ T73] netdev_get_by_index+0x5e/0x80 [ 1283.830925][ T73] fib6_nh_init+0x3d8/0x1580 [ 1283.830925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1283.830925][ T73] ip6_route_add+0x1c/0x140 [ 1283.830925][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1283.830925][ T73] addrconf_add_dev+0xe2/0x170 [ 1283.830925][ T73] inet6_addr_add+0x12f/0xa40 [ 1283.830925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.830925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.830925][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.830925][ T73] netlink_unicast+0x449/0x710 [ 1283.830925][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.830925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.830925][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.830925][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.830925][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.830925][ T73] [ 1283.833123][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1283.833123][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1283.833123][ T73] ipv6_find_idev+0x102/0x170 [ 1283.833123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.833123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.833123][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.833123][ T73] netlink_unicast+0x449/0x710 [ 1283.833123][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.833123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.833123][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.833123][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.833123][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.833123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.833123][ T73] [ 1283.834847][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1283.834847][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1283.834847][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1283.834847][ T73] ipv6_find_idev+0x102/0x170 [ 1283.834847][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.834847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.834847][ T73] netlink_rcv_skb+0x130/0x360 [ 1283.834847][ T73] netlink_unicast+0x449/0x710 [ 1283.834847][ T73] netlink_sendmsg+0x723/0xbe0 [ 1283.834847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1283.834847][ T73] ___sys_sendmsg+0xee/0x170 [ 1283.834847][ T73] __sys_sendmsg+0xcd/0x170 [ 1283.834847][ T73] do_syscall_64+0xc6/0x1e0 [ 1283.834847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.834847][ T73] [ 1293.910849][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1293.911244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.911244][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1293.911244][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1293.911244][ T73] fib6_nh_init+0xa22/0x1580 [ 1293.911244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.911244][ T73] ip6_route_add+0x1c/0x140 [ 1293.911244][ T73] inet6_rtm_newroute+0x104/0x110 [ 1293.911244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.911244][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.911244][ T73] netlink_unicast+0x449/0x710 [ 1293.911244][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.911244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.911244][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.911244][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.911244][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.911244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.911244][ T73] [ 1293.913662][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.913662][ T73] dst_init+0x84/0x4a0 [ 1293.913662][ T73] dst_alloc+0x97/0x150 [ 1293.913662][ T73] ip6_dst_alloc+0x23/0x90 [ 1293.913662][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1293.913662][ T73] ip6_pol_route+0x56f/0x840 [ 1293.913662][ T73] fib6_rule_lookup+0x456/0x630 [ 1293.913662][ T73] ip6_route_input+0x59c/0xa50 [ 1293.913662][ T73] ipv6_rcv+0x397/0x810 [ 1293.913662][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1293.913662][ T73] process_backlog+0x101/0x620 [ 1293.913662][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1293.913662][ T73] net_rx_action+0x495/0xbe0 [ 1293.913662][ T73] __do_softirq+0x1b5/0x7f6 [ 1293.913662][ T73] [ 1293.915316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.915316][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.915316][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.915316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.915316][ T73] ip6_route_add+0x1c/0x140 [ 1293.915316][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1293.915316][ T73] inet6_addr_add+0x4f8/0xa40 [ 1293.915316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.915316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.915316][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.915316][ T73] netlink_unicast+0x449/0x710 [ 1293.915316][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.915316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.915316][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.915316][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.915316][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.915316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.915316][ T73] [ 1293.917340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.917340][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.917340][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.917340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.917340][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1293.917340][ T73] ipv6_add_addr+0x411/0x2000 [ 1293.917340][ T73] inet6_addr_add+0x30e/0xa40 [ 1293.917340][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.917340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.917340][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.917340][ T73] netlink_unicast+0x449/0x710 [ 1293.917340][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.917340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.917340][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.917340][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.917340][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.917340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.917340][ T73] [ 1293.919322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.919322][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.919322][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.919322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.919322][ T73] ip6_route_add+0x1c/0x140 [ 1293.919322][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1293.919322][ T73] addrconf_add_dev+0xe2/0x170 [ 1293.919322][ T73] inet6_addr_add+0x12f/0xa40 [ 1293.919322][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.919322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.919322][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.919322][ T73] netlink_unicast+0x449/0x710 [ 1293.919322][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.919322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.919322][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.919322][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.919322][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.919322][ T73] [ 1293.921269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.921269][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1293.921269][ T73] ipv6_find_idev+0x102/0x170 [ 1293.921269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.921269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.921269][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.921269][ T73] netlink_unicast+0x449/0x710 [ 1293.921269][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.921269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.921269][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.921269][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.921269][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.921269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.921269][ T73] [ 1293.922796][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1293.922796][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1293.922796][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1293.922796][ T73] ipv6_find_idev+0x102/0x170 [ 1293.922796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.922796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.922796][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.922796][ T73] netlink_unicast+0x449/0x710 [ 1293.922796][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.922796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.922796][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.922796][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.922796][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.922796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.922796][ T73] [ 1293.924485][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1293.924757][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.924757][ T73] dst_init+0x84/0x4a0 [ 1293.924757][ T73] dst_alloc+0x97/0x150 [ 1293.924757][ T73] ip6_dst_alloc+0x23/0x90 [ 1293.924757][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1293.924757][ T73] ip6_pol_route+0x56f/0x840 [ 1293.924757][ T73] fib6_rule_lookup+0x456/0x630 [ 1293.924757][ T73] ip6_route_input+0x59c/0xa50 [ 1293.924757][ T73] ipv6_rcv+0x397/0x810 [ 1293.924757][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1293.924757][ T73] process_backlog+0x101/0x620 [ 1293.924757][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1293.924757][ T73] net_rx_action+0x495/0xbe0 [ 1293.924757][ T73] __do_softirq+0x1b5/0x7f6 [ 1293.924757][ T73] [ 1293.926428][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.926428][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.926428][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.926428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.926428][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1293.926428][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1293.926428][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1293.926428][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1293.926428][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1293.926428][ T73] addrconf_dad_begin+0x310/0x670 [ 1293.926428][ T73] addrconf_dad_work+0x10b/0xab0 [ 1293.926428][ T73] process_one_work+0x84d/0x18a0 [ 1293.926428][ T73] worker_thread+0x587/0xd30 [ 1293.926428][ T73] kthread+0x28a/0x350 [ 1293.926428][ T73] ret_from_fork+0x31/0x70 [ 1293.926428][ T73] ret_from_fork_asm+0x1a/0x30 [ 1293.926428][ T73] [ 1293.928720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.928720][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.928720][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.928720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.928720][ T73] ip6_route_add+0x1c/0x140 [ 1293.928720][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1293.928720][ T73] inet6_addr_add+0x4f8/0xa40 [ 1293.928720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.928720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.928720][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.928720][ T73] netlink_unicast+0x449/0x710 [ 1293.928720][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.928720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.928720][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.928720][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.928720][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.928720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.928720][ T73] [ 1293.930706][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.930706][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.930706][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.930706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.930706][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1293.930706][ T73] ipv6_add_addr+0x411/0x2000 [ 1293.930706][ T73] inet6_addr_add+0x30e/0xa40 [ 1293.930706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.930706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.930706][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.930706][ T73] netlink_unicast+0x449/0x710 [ 1293.930706][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.930706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.930706][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.930706][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.930706][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.930706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.930706][ T73] [ 1293.932698][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.932698][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.932698][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.932698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.932698][ T73] ip6_route_add+0x1c/0x140 [ 1293.932698][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1293.932698][ T73] addrconf_add_dev+0xe2/0x170 [ 1293.932698][ T73] inet6_addr_add+0x12f/0xa40 [ 1293.932698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.932698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.932698][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.932698][ T73] netlink_unicast+0x449/0x710 [ 1293.932698][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.932698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.932698][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.932698][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.932698][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.932698][ T73] [ 1293.934692][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.934692][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1293.934692][ T73] ipv6_find_idev+0x102/0x170 [ 1293.934692][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.934692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.934692][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.934692][ T73] netlink_unicast+0x449/0x710 [ 1293.934692][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.934692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.934692][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.934692][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.934692][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.934692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.934692][ T73] [ 1293.936252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1293.936252][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1293.936252][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1293.936252][ T73] ipv6_find_idev+0x102/0x170 [ 1293.936252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.936252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.936252][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.936252][ T73] netlink_unicast+0x449/0x710 [ 1293.936252][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.936252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.936252][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.936252][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.936252][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.936252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.936252][ T73] [ 1293.938071][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1293.938342][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.938342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1293.938342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1293.938342][ T73] fib6_nh_init+0xa22/0x1580 [ 1293.938342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.938342][ T73] ip6_route_add+0x1c/0x140 [ 1293.938342][ T73] inet6_rtm_newroute+0x104/0x110 [ 1293.938342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.938342][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.938342][ T73] netlink_unicast+0x449/0x710 [ 1293.938342][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.938342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.938342][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.938342][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.938342][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.938342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.938342][ T73] [ 1293.940473][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.940473][ T73] dst_init+0x84/0x4a0 [ 1293.940473][ T73] dst_alloc+0x97/0x150 [ 1293.940473][ T73] ip6_dst_alloc+0x23/0x90 [ 1293.940473][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1293.940473][ T73] ip6_pol_route+0x56f/0x840 [ 1293.940473][ T73] fib6_rule_lookup+0x456/0x630 [ 1293.940473][ T73] ip6_route_input+0x59c/0xa50 [ 1293.940473][ T73] ipv6_rcv+0x397/0x810 [ 1293.940473][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1293.940473][ T73] process_backlog+0x101/0x620 [ 1293.940473][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1293.940473][ T73] net_rx_action+0x495/0xbe0 [ 1293.940473][ T73] __do_softirq+0x1b5/0x7f6 [ 1293.940473][ T73] [ 1293.942356][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.942356][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.942356][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.942356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.942356][ T73] ip6_route_add+0x1c/0x140 [ 1293.942356][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1293.942356][ T73] inet6_addr_add+0x4f8/0xa40 [ 1293.942356][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.942356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.942356][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.942356][ T73] netlink_unicast+0x449/0x710 [ 1293.942356][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.942356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.942356][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.942356][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.942356][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.942356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.942356][ T73] [ 1293.944623][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.944623][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.944623][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.944623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.944623][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1293.944623][ T73] ipv6_add_addr+0x411/0x2000 [ 1293.944623][ T73] inet6_addr_add+0x30e/0xa40 [ 1293.944623][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.944623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.944623][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.944623][ T73] netlink_unicast+0x449/0x710 [ 1293.944623][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.944623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.944623][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.944623][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.944623][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.944623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.944623][ T73] [ 1293.946924][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.946924][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.946924][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.946924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.946924][ T73] ip6_route_add+0x1c/0x140 [ 1293.946924][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1293.946924][ T73] addrconf_add_dev+0xe2/0x170 [ 1293.946924][ T73] inet6_addr_add+0x12f/0xa40 [ 1293.946924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.946924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.946924][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.946924][ T73] netlink_unicast+0x449/0x710 [ 1293.946924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.946924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.946924][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.946924][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.946924][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.946924][ T73] [ 1293.949155][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.949155][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1293.949155][ T73] ipv6_find_idev+0x102/0x170 [ 1293.949155][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.949155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.949155][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.949155][ T73] netlink_unicast+0x449/0x710 [ 1293.949155][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.949155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.949155][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.949155][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.949155][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.949155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.949155][ T73] [ 1293.950816][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1293.950816][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1293.950816][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1293.950816][ T73] ipv6_find_idev+0x102/0x170 [ 1293.950816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.950816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.950816][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.950816][ T73] netlink_unicast+0x449/0x710 [ 1293.950816][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.950816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.950816][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.950816][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.950816][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.950816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.950816][ T73] [ 1293.952824][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1293.953099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1293.953099][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.953099][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.953099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.953099][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1293.953099][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1293.953099][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1293.953099][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1293.953099][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1293.953099][ T73] addrconf_dad_begin+0x310/0x670 [ 1293.953099][ T73] addrconf_dad_work+0x10b/0xab0 [ 1293.953099][ T73] process_one_work+0x84d/0x18a0 [ 1293.953099][ T73] worker_thread+0x587/0xd30 [ 1293.953099][ T73] kthread+0x28a/0x350 [ 1293.953099][ T73] ret_from_fork+0x31/0x70 [ 1293.953099][ T73] ret_from_fork_asm+0x1a/0x30 [ 1293.953099][ T73] [ 1293.955258][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1293.955258][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.955258][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.955258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.955258][ T73] ip6_route_add+0x1c/0x140 [ 1293.955258][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1293.955258][ T73] inet6_addr_add+0x4f8/0xa40 [ 1293.955258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.955258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.955258][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.955258][ T73] netlink_unicast+0x449/0x710 [ 1293.955258][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.955258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.955258][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.955258][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.955258][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.955258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.955258][ T73] [ 1293.957490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1293.957490][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.957490][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.957490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.957490][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1293.957490][ T73] ipv6_add_addr+0x411/0x2000 [ 1293.957490][ T73] inet6_addr_add+0x30e/0xa40 [ 1293.957490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.957490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.957490][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.957490][ T73] netlink_unicast+0x449/0x710 [ 1293.957490][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.957490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.957490][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.957490][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.957490][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.957490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.957490][ T73] [ 1293.959651][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1293.959651][ T73] netdev_get_by_index+0x5e/0x80 [ 1293.959651][ T73] fib6_nh_init+0x3d8/0x1580 [ 1293.959651][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1293.959651][ T73] ip6_route_add+0x1c/0x140 [ 1293.959651][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1293.959651][ T73] addrconf_add_dev+0xe2/0x170 [ 1293.959651][ T73] inet6_addr_add+0x12f/0xa40 [ 1293.959651][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.959651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.959651][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.959651][ T73] netlink_unicast+0x449/0x710 [ 1293.959651][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.959651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.959651][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.959651][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.959651][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.959651][ T73] [ 1293.961898][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1293.961898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1293.961898][ T73] ipv6_find_idev+0x102/0x170 [ 1293.961898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.961898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.961898][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.961898][ T73] netlink_unicast+0x449/0x710 [ 1293.961898][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.961898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.961898][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.961898][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.961898][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.961898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.961898][ T73] [ 1293.963638][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1293.963638][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1293.963638][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1293.963638][ T73] ipv6_find_idev+0x102/0x170 [ 1293.963638][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.963638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.963638][ T73] netlink_rcv_skb+0x130/0x360 [ 1293.963638][ T73] netlink_unicast+0x449/0x710 [ 1293.963638][ T73] netlink_sendmsg+0x723/0xbe0 [ 1293.963638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1293.963638][ T73] ___sys_sendmsg+0xee/0x170 [ 1293.963638][ T73] __sys_sendmsg+0xcd/0x170 [ 1293.963638][ T73] do_syscall_64+0xc6/0x1e0 [ 1293.963638][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.963638][ T73] [ 1304.206891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1304.207301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.207301][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1304.207301][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1304.207301][ T73] fib6_nh_init+0xa22/0x1580 [ 1304.207301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.207301][ T73] ip6_route_add+0x1c/0x140 [ 1304.207301][ T73] inet6_rtm_newroute+0x104/0x110 [ 1304.207301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.207301][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.207301][ T73] netlink_unicast+0x449/0x710 [ 1304.207301][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.207301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.207301][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.207301][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.207301][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.207301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.207301][ T73] [ 1304.209169][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.209169][ T73] dst_init+0x84/0x4a0 [ 1304.209169][ T73] dst_alloc+0x97/0x150 [ 1304.209169][ T73] ip6_dst_alloc+0x23/0x90 [ 1304.209169][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1304.209169][ T73] ip6_pol_route+0x56f/0x840 [ 1304.209169][ T73] fib6_rule_lookup+0x456/0x630 [ 1304.209169][ T73] ip6_route_input+0x59c/0xa50 [ 1304.209169][ T73] ipv6_rcv+0x397/0x810 [ 1304.209169][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1304.209169][ T73] process_backlog+0x101/0x620 [ 1304.209169][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1304.209169][ T73] net_rx_action+0x495/0xbe0 [ 1304.209169][ T73] __do_softirq+0x1b5/0x7f6 [ 1304.209169][ T73] [ 1304.210794][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.210794][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.210794][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.210794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.210794][ T73] ip6_route_add+0x1c/0x140 [ 1304.210794][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1304.210794][ T73] inet6_addr_add+0x4f8/0xa40 [ 1304.210794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.210794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.210794][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.210794][ T73] netlink_unicast+0x449/0x710 [ 1304.210794][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.210794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.210794][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.210794][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.210794][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.210794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.210794][ T73] [ 1304.212779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.212779][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.212779][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.212779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.212779][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1304.212779][ T73] ipv6_add_addr+0x411/0x2000 [ 1304.212779][ T73] inet6_addr_add+0x30e/0xa40 [ 1304.212779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.212779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.212779][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.212779][ T73] netlink_unicast+0x449/0x710 [ 1304.212779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.212779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.212779][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.212779][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.212779][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.212779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.212779][ T73] [ 1304.214762][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.214762][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.214762][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.214762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.214762][ T73] ip6_route_add+0x1c/0x140 [ 1304.214762][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1304.214762][ T73] addrconf_add_dev+0xe2/0x170 [ 1304.214762][ T73] inet6_addr_add+0x12f/0xa40 [ 1304.214762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.214762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.214762][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.214762][ T73] netlink_unicast+0x449/0x710 [ 1304.214762][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.214762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.214762][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.214762][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.214762][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.214762][ T73] [ 1304.216705][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.216705][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1304.216705][ T73] ipv6_find_idev+0x102/0x170 [ 1304.216705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.216705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.216705][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.216705][ T73] netlink_unicast+0x449/0x710 [ 1304.216705][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.216705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.216705][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.216705][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.216705][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.216705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.216705][ T73] [ 1304.218227][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1304.218227][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1304.218227][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1304.218227][ T73] ipv6_find_idev+0x102/0x170 [ 1304.218227][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.218227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.218227][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.218227][ T73] netlink_unicast+0x449/0x710 [ 1304.218227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.218227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.218227][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.218227][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.218227][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.218227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.218227][ T73] [ 1304.219899][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1304.220169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.220169][ T73] dst_init+0x84/0x4a0 [ 1304.220169][ T73] dst_alloc+0x97/0x150 [ 1304.220169][ T73] ip6_dst_alloc+0x23/0x90 [ 1304.220169][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1304.220169][ T73] ip6_pol_route+0x56f/0x840 [ 1304.220169][ T73] fib6_rule_lookup+0x456/0x630 [ 1304.220169][ T73] ip6_route_input+0x59c/0xa50 [ 1304.220169][ T73] ipv6_rcv+0x397/0x810 [ 1304.220169][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1304.220169][ T73] process_backlog+0x101/0x620 [ 1304.220169][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1304.220169][ T73] net_rx_action+0x495/0xbe0 [ 1304.220169][ T73] __do_softirq+0x1b5/0x7f6 [ 1304.220169][ T73] [ 1304.221799][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.221799][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.221799][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.221799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.221799][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1304.221799][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1304.221799][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1304.221799][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1304.221799][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1304.221799][ T73] addrconf_dad_begin+0x310/0x670 [ 1304.221799][ T73] addrconf_dad_work+0x10b/0xab0 [ 1304.221799][ T73] process_one_work+0x84d/0x18a0 [ 1304.221799][ T73] worker_thread+0x587/0xd30 [ 1304.221799][ T73] kthread+0x28a/0x350 [ 1304.221799][ T73] ret_from_fork+0x31/0x70 [ 1304.221799][ T73] ret_from_fork_asm+0x1a/0x30 [ 1304.221799][ T73] [ 1304.223695][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.223695][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.223695][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.223695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.223695][ T73] ip6_route_add+0x1c/0x140 [ 1304.223695][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1304.223695][ T73] inet6_addr_add+0x4f8/0xa40 [ 1304.223695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.223695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.223695][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.223695][ T73] netlink_unicast+0x449/0x710 [ 1304.223695][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.223695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.223695][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.223695][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.223695][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.223695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.223695][ T73] [ 1304.225687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.225687][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.225687][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.225687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.225687][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1304.225687][ T73] ipv6_add_addr+0x411/0x2000 [ 1304.225687][ T73] inet6_addr_add+0x30e/0xa40 [ 1304.225687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.225687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.225687][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.225687][ T73] netlink_unicast+0x449/0x710 [ 1304.225687][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.225687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.225687][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.225687][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.225687][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.225687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.225687][ T73] [ 1304.227662][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.227662][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.227662][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.227662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.227662][ T73] ip6_route_add+0x1c/0x140 [ 1304.227662][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1304.227662][ T73] addrconf_add_dev+0xe2/0x170 [ 1304.227662][ T73] inet6_addr_add+0x12f/0xa40 [ 1304.227662][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.227662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.227662][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.227662][ T73] netlink_unicast+0x449/0x710 [ 1304.227662][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.227662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.227662][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.227662][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.227662][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.227662][ T73] [ 1304.229605][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.229605][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1304.229605][ T73] ipv6_find_idev+0x102/0x170 [ 1304.229605][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.229605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.229605][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.229605][ T73] netlink_unicast+0x449/0x710 [ 1304.229605][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.229605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.229605][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.229605][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.229605][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.229605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.229605][ T73] [ 1304.231126][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1304.231126][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1304.231126][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1304.231126][ T73] ipv6_find_idev+0x102/0x170 [ 1304.231126][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.231126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.231126][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.231126][ T73] netlink_unicast+0x449/0x710 [ 1304.231126][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.231126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.231126][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.231126][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.231126][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.231126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.231126][ T73] [ 1304.232927][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1304.233192][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.233192][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1304.233192][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1304.233192][ T73] fib6_nh_init+0xa22/0x1580 [ 1304.233192][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.233192][ T73] ip6_route_add+0x1c/0x140 [ 1304.233192][ T73] inet6_rtm_newroute+0x104/0x110 [ 1304.233192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.233192][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.233192][ T73] netlink_unicast+0x449/0x710 [ 1304.233192][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.233192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.233192][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.233192][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.233192][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.233192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.233192][ T73] [ 1304.235314][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.235314][ T73] dst_init+0x84/0x4a0 [ 1304.235314][ T73] dst_alloc+0x97/0x150 [ 1304.235314][ T73] ip6_dst_alloc+0x23/0x90 [ 1304.235314][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1304.235314][ T73] ip6_pol_route+0x56f/0x840 [ 1304.235314][ T73] fib6_rule_lookup+0x456/0x630 [ 1304.235314][ T73] ip6_route_input+0x59c/0xa50 [ 1304.235314][ T73] ipv6_rcv+0x397/0x810 [ 1304.235314][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1304.235314][ T73] process_backlog+0x101/0x620 [ 1304.235314][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1304.235314][ T73] net_rx_action+0x495/0xbe0 [ 1304.235314][ T73] __do_softirq+0x1b5/0x7f6 [ 1304.235314][ T73] [ 1304.237107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.237107][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.237107][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.237107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.237107][ T73] ip6_route_add+0x1c/0x140 [ 1304.237107][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1304.237107][ T73] inet6_addr_add+0x4f8/0xa40 [ 1304.237107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.237107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.237107][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.237107][ T73] netlink_unicast+0x449/0x710 [ 1304.237107][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.237107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.237107][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.237107][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.237107][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.237107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.237107][ T73] [ 1304.239338][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.239338][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.239338][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.239338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.239338][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1304.239338][ T73] ipv6_add_addr+0x411/0x2000 [ 1304.239338][ T73] inet6_addr_add+0x30e/0xa40 [ 1304.239338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.239338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.239338][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.239338][ T73] netlink_unicast+0x449/0x710 [ 1304.239338][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.239338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.239338][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.239338][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.239338][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.239338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.239338][ T73] [ 1304.241572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.241572][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.241572][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.241572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.241572][ T73] ip6_route_add+0x1c/0x140 [ 1304.241572][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1304.241572][ T73] addrconf_add_dev+0xe2/0x170 [ 1304.241572][ T73] inet6_addr_add+0x12f/0xa40 [ 1304.241572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.241572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.241572][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.241572][ T73] netlink_unicast+0x449/0x710 [ 1304.241572][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.241572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.241572][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.241572][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.241572][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.241572][ T73] [ 1304.243753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.243753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1304.243753][ T73] ipv6_find_idev+0x102/0x170 [ 1304.243753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.243753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.243753][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.243753][ T73] netlink_unicast+0x449/0x710 [ 1304.243753][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.243753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.243753][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.243753][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.243753][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.243753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.243753][ T73] [ 1304.245425][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1304.245425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1304.245425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1304.245425][ T73] ipv6_find_idev+0x102/0x170 [ 1304.245425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.245425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.245425][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.245425][ T73] netlink_unicast+0x449/0x710 [ 1304.245425][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.245425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.245425][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.245425][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.245425][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.245425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.245425][ T73] [ 1304.247341][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1304.247608][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1304.247608][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.247608][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.247608][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.247608][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1304.247608][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1304.247608][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1304.247608][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1304.247608][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1304.247608][ T73] addrconf_dad_begin+0x310/0x670 [ 1304.247608][ T73] addrconf_dad_work+0x10b/0xab0 [ 1304.247608][ T73] process_one_work+0x84d/0x18a0 [ 1304.247608][ T73] worker_thread+0x587/0xd30 [ 1304.247608][ T73] kthread+0x28a/0x350 [ 1304.247608][ T73] ret_from_fork+0x31/0x70 [ 1304.247608][ T73] ret_from_fork_asm+0x1a/0x30 [ 1304.247608][ T73] [ 1304.249810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1304.249810][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.249810][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.249810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.249810][ T73] ip6_route_add+0x1c/0x140 [ 1304.249810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1304.249810][ T73] inet6_addr_add+0x4f8/0xa40 [ 1304.249810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.249810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.249810][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.249810][ T73] netlink_unicast+0x449/0x710 [ 1304.249810][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.249810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.249810][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.249810][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.249810][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.249810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.249810][ T73] [ 1304.252116][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1304.252116][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.252116][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.252116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.252116][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1304.252116][ T73] ipv6_add_addr+0x411/0x2000 [ 1304.252116][ T73] inet6_addr_add+0x30e/0xa40 [ 1304.252116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.252116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.252116][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.252116][ T73] netlink_unicast+0x449/0x710 [ 1304.252116][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.252116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.252116][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.252116][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.252116][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.252116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.252116][ T73] [ 1304.254306][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1304.254306][ T73] netdev_get_by_index+0x5e/0x80 [ 1304.254306][ T73] fib6_nh_init+0x3d8/0x1580 [ 1304.254306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1304.254306][ T73] ip6_route_add+0x1c/0x140 [ 1304.254306][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1304.254306][ T73] addrconf_add_dev+0xe2/0x170 [ 1304.254306][ T73] inet6_addr_add+0x12f/0xa40 [ 1304.254306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1304.254306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.254306][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.254306][ T73] netlink_unicast+0x449/0x710 [ 1304.254306][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.254306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.254306][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.254306][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.254306][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.254306][ T73] [ 1304.256512][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1304.256512][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1304.256512][ T73] ipv6_find_idev+0x102/0x170 [ 1304.256512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.256512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.256512][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.256512][ T73] netlink_unicast+0x449/0x710 [ 1304.256512][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.256512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.256512][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.256512][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.256512][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.256512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.256512][ T73] [ 1304.258228][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1304.258228][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1304.258228][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1304.258228][ T73] ipv6_find_idev+0x102/0x170 [ 1304.258228][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1304.258228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1304.258228][ T73] netlink_rcv_skb+0x130/0x360 [ 1304.258228][ T73] netlink_unicast+0x449/0x710 [ 1304.258228][ T73] netlink_sendmsg+0x723/0xbe0 [ 1304.258228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1304.258228][ T73] ___sys_sendmsg+0xee/0x170 [ 1304.258228][ T73] __sys_sendmsg+0xcd/0x170 [ 1304.258228][ T73] do_syscall_64+0xc6/0x1e0 [ 1304.258228][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1304.258228][ T73] [ 1314.502899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1314.503287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.503287][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1314.503287][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1314.503287][ T73] fib6_nh_init+0xa22/0x1580 [ 1314.503287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.503287][ T73] ip6_route_add+0x1c/0x140 [ 1314.503287][ T73] inet6_rtm_newroute+0x104/0x110 [ 1314.503287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.503287][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.503287][ T73] netlink_unicast+0x449/0x710 [ 1314.503287][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.503287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.503287][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.503287][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.503287][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.503287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.503287][ T73] [ 1314.505202][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.505202][ T73] dst_init+0x84/0x4a0 [ 1314.505202][ T73] dst_alloc+0x97/0x150 [ 1314.505202][ T73] ip6_dst_alloc+0x23/0x90 [ 1314.505202][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1314.505202][ T73] ip6_pol_route+0x56f/0x840 [ 1314.505202][ T73] fib6_rule_lookup+0x456/0x630 [ 1314.505202][ T73] ip6_route_input+0x59c/0xa50 [ 1314.505202][ T73] ipv6_rcv+0x397/0x810 [ 1314.505202][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1314.505202][ T73] process_backlog+0x101/0x620 [ 1314.505202][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1314.505202][ T73] net_rx_action+0x495/0xbe0 [ 1314.505202][ T73] __do_softirq+0x1b5/0x7f6 [ 1314.505202][ T73] [ 1314.506836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.506836][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.506836][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.506836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.506836][ T73] ip6_route_add+0x1c/0x140 [ 1314.506836][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1314.506836][ T73] inet6_addr_add+0x4f8/0xa40 [ 1314.506836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.506836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.506836][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.506836][ T73] netlink_unicast+0x449/0x710 [ 1314.506836][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.506836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.506836][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.506836][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.506836][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.506836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.506836][ T73] [ 1314.508813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.508813][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.508813][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.508813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.508813][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1314.508813][ T73] ipv6_add_addr+0x411/0x2000 [ 1314.508813][ T73] inet6_addr_add+0x30e/0xa40 [ 1314.508813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.508813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.508813][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.508813][ T73] netlink_unicast+0x449/0x710 [ 1314.508813][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.508813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.508813][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.508813][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.508813][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.508813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.508813][ T73] [ 1314.510793][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.510793][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.510793][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.510793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.510793][ T73] ip6_route_add+0x1c/0x140 [ 1314.510793][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1314.510793][ T73] addrconf_add_dev+0xe2/0x170 [ 1314.510793][ T73] inet6_addr_add+0x12f/0xa40 [ 1314.510793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.510793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.510793][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.510793][ T73] netlink_unicast+0x449/0x710 [ 1314.510793][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.510793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.510793][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.510793][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.510793][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.510793][ T73] [ 1314.512742][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.512742][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1314.512742][ T73] ipv6_find_idev+0x102/0x170 [ 1314.512742][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.512742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.512742][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.512742][ T73] netlink_unicast+0x449/0x710 [ 1314.512742][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.512742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.512742][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.512742][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.512742][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.512742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.512742][ T73] [ 1314.514338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1314.514338][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1314.514338][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1314.514338][ T73] ipv6_find_idev+0x102/0x170 [ 1314.514338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.514338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.514338][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.514338][ T73] netlink_unicast+0x449/0x710 [ 1314.514338][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.514338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.514338][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.514338][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.514338][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.514338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.514338][ T73] [ 1314.516004][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1314.516282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.516282][ T73] dst_init+0x84/0x4a0 [ 1314.516282][ T73] dst_alloc+0x97/0x150 [ 1314.516282][ T73] ip6_dst_alloc+0x23/0x90 [ 1314.516282][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1314.516282][ T73] ip6_pol_route+0x56f/0x840 [ 1314.516282][ T73] fib6_rule_lookup+0x456/0x630 [ 1314.516282][ T73] ip6_route_input+0x59c/0xa50 [ 1314.516282][ T73] ipv6_rcv+0x397/0x810 [ 1314.516282][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1314.516282][ T73] process_backlog+0x101/0x620 [ 1314.516282][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1314.516282][ T73] net_rx_action+0x495/0xbe0 [ 1314.516282][ T73] __do_softirq+0x1b5/0x7f6 [ 1314.516282][ T73] [ 1314.517903][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.517903][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.517903][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.517903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.517903][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1314.517903][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1314.517903][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1314.517903][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1314.517903][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1314.517903][ T73] addrconf_dad_begin+0x310/0x670 [ 1314.517903][ T73] addrconf_dad_work+0x10b/0xab0 [ 1314.517903][ T73] process_one_work+0x84d/0x18a0 [ 1314.517903][ T73] worker_thread+0x587/0xd30 [ 1314.517903][ T73] kthread+0x28a/0x350 [ 1314.517903][ T73] ret_from_fork+0x31/0x70 [ 1314.517903][ T73] ret_from_fork_asm+0x1a/0x30 [ 1314.517903][ T73] [ 1314.519788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.519788][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.519788][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.519788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.519788][ T73] ip6_route_add+0x1c/0x140 [ 1314.519788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1314.519788][ T73] inet6_addr_add+0x4f8/0xa40 [ 1314.519788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.519788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.519788][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.519788][ T73] netlink_unicast+0x449/0x710 [ 1314.519788][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.519788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.519788][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.519788][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.519788][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.519788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.519788][ T73] [ 1314.521785][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.521785][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.521785][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.521785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.521785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1314.521785][ T73] ipv6_add_addr+0x411/0x2000 [ 1314.521785][ T73] inet6_addr_add+0x30e/0xa40 [ 1314.521785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.521785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.521785][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.521785][ T73] netlink_unicast+0x449/0x710 [ 1314.521785][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.521785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.521785][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.521785][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.521785][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.521785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.521785][ T73] [ 1314.523774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.523774][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.523774][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.523774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.523774][ T73] ip6_route_add+0x1c/0x140 [ 1314.523774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1314.523774][ T73] addrconf_add_dev+0xe2/0x170 [ 1314.523774][ T73] inet6_addr_add+0x12f/0xa40 [ 1314.523774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.523774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.523774][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.523774][ T73] netlink_unicast+0x449/0x710 [ 1314.523774][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.523774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.523774][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.523774][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.523774][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.523774][ T73] [ 1314.525740][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.525740][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1314.525740][ T73] ipv6_find_idev+0x102/0x170 [ 1314.525740][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.525740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.525740][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.525740][ T73] netlink_unicast+0x449/0x710 [ 1314.525740][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.525740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.525740][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.525740][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.525740][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.525740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.525740][ T73] [ 1314.527264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1314.527264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1314.527264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1314.527264][ T73] ipv6_find_idev+0x102/0x170 [ 1314.527264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.527264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.527264][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.527264][ T73] netlink_unicast+0x449/0x710 [ 1314.527264][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.527264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.527264][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.527264][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.527264][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.527264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.527264][ T73] [ 1314.529073][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1314.529352][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.529352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1314.529352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1314.529352][ T73] fib6_nh_init+0xa22/0x1580 [ 1314.529352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.529352][ T73] ip6_route_add+0x1c/0x140 [ 1314.529352][ T73] inet6_rtm_newroute+0x104/0x110 [ 1314.529352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.529352][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.529352][ T73] netlink_unicast+0x449/0x710 [ 1314.529352][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.529352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.529352][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.529352][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.529352][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.529352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.529352][ T73] [ 1314.531553][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.531553][ T73] dst_init+0x84/0x4a0 [ 1314.531553][ T73] dst_alloc+0x97/0x150 [ 1314.531553][ T73] ip6_dst_alloc+0x23/0x90 [ 1314.531553][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1314.531553][ T73] ip6_pol_route+0x56f/0x840 [ 1314.531553][ T73] fib6_rule_lookup+0x456/0x630 [ 1314.531553][ T73] ip6_route_input+0x59c/0xa50 [ 1314.531553][ T73] ipv6_rcv+0x397/0x810 [ 1314.531553][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1314.531553][ T73] process_backlog+0x101/0x620 [ 1314.531553][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1314.531553][ T73] net_rx_action+0x495/0xbe0 [ 1314.531553][ T73] __do_softirq+0x1b5/0x7f6 [ 1314.531553][ T73] [ 1314.533484][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.533484][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.533484][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.533484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.533484][ T73] ip6_route_add+0x1c/0x140 [ 1314.533484][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1314.533484][ T73] inet6_addr_add+0x4f8/0xa40 [ 1314.533484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.533484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.533484][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.533484][ T73] netlink_unicast+0x449/0x710 [ 1314.533484][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.533484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.533484][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.533484][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.533484][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.533484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.533484][ T73] [ 1314.535763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.535763][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.535763][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.535763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.535763][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1314.535763][ T73] ipv6_add_addr+0x411/0x2000 [ 1314.535763][ T73] inet6_addr_add+0x30e/0xa40 [ 1314.535763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.535763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.535763][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.535763][ T73] netlink_unicast+0x449/0x710 [ 1314.535763][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.535763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.535763][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.535763][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.535763][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.535763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.535763][ T73] [ 1314.538060][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.538060][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.538060][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.538060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.538060][ T73] ip6_route_add+0x1c/0x140 [ 1314.538060][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1314.538060][ T73] addrconf_add_dev+0xe2/0x170 [ 1314.538060][ T73] inet6_addr_add+0x12f/0xa40 [ 1314.538060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.538060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.538060][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.538060][ T73] netlink_unicast+0x449/0x710 [ 1314.538060][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.538060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.538060][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.538060][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.538060][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.538060][ T73] [ 1314.540365][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.540365][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1314.540365][ T73] ipv6_find_idev+0x102/0x170 [ 1314.540365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.540365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.540365][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.540365][ T73] netlink_unicast+0x449/0x710 [ 1314.540365][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.540365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.540365][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.540365][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.540365][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.540365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.540365][ T73] [ 1314.542037][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1314.542037][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1314.542037][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1314.542037][ T73] ipv6_find_idev+0x102/0x170 [ 1314.542037][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.542037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.542037][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.542037][ T73] netlink_unicast+0x449/0x710 [ 1314.542037][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.542037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.542037][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.542037][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.542037][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.542037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.542037][ T73] [ 1314.544075][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1314.544359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1314.544359][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.544359][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.544359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.544359][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1314.544359][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1314.544359][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1314.544359][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1314.544359][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1314.544359][ T73] addrconf_dad_begin+0x310/0x670 [ 1314.544359][ T73] addrconf_dad_work+0x10b/0xab0 [ 1314.544359][ T73] process_one_work+0x84d/0x18a0 [ 1314.544359][ T73] worker_thread+0x587/0xd30 [ 1314.544359][ T73] kthread+0x28a/0x350 [ 1314.544359][ T73] ret_from_fork+0x31/0x70 [ 1314.544359][ T73] ret_from_fork_asm+0x1a/0x30 [ 1314.544359][ T73] [ 1314.546527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1314.546527][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.546527][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.546527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.546527][ T73] ip6_route_add+0x1c/0x140 [ 1314.546527][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1314.546527][ T73] inet6_addr_add+0x4f8/0xa40 [ 1314.546527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.546527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.546527][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.546527][ T73] netlink_unicast+0x449/0x710 [ 1314.546527][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.546527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.546527][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.546527][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.546527][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.546527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.546527][ T73] [ 1314.548784][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1314.548784][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.548784][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.548784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.548784][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1314.548784][ T73] ipv6_add_addr+0x411/0x2000 [ 1314.548784][ T73] inet6_addr_add+0x30e/0xa40 [ 1314.548784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.548784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.548784][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.548784][ T73] netlink_unicast+0x449/0x710 [ 1314.548784][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.548784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.548784][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.548784][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.548784][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.548784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.548784][ T73] [ 1314.551041][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1314.551041][ T73] netdev_get_by_index+0x5e/0x80 [ 1314.551041][ T73] fib6_nh_init+0x3d8/0x1580 [ 1314.551041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1314.551041][ T73] ip6_route_add+0x1c/0x140 [ 1314.551041][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1314.551041][ T73] addrconf_add_dev+0xe2/0x170 [ 1314.551041][ T73] inet6_addr_add+0x12f/0xa40 [ 1314.551041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1314.551041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.551041][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.551041][ T73] netlink_unicast+0x449/0x710 [ 1314.551041][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.551041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.551041][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.551041][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.551041][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.551041][ T73] [ 1314.553273][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1314.553273][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1314.553273][ T73] ipv6_find_idev+0x102/0x170 [ 1314.553273][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.553273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.553273][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.553273][ T73] netlink_unicast+0x449/0x710 [ 1314.553273][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.553273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.553273][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.553273][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.553273][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.553273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.553273][ T73] [ 1314.555090][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1314.555090][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1314.555090][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1314.555090][ T73] ipv6_find_idev+0x102/0x170 [ 1314.555090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1314.555090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1314.555090][ T73] netlink_rcv_skb+0x130/0x360 [ 1314.555090][ T73] netlink_unicast+0x449/0x710 [ 1314.555090][ T73] netlink_sendmsg+0x723/0xbe0 [ 1314.555090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1314.555090][ T73] ___sys_sendmsg+0xee/0x170 [ 1314.555090][ T73] __sys_sendmsg+0xcd/0x170 [ 1314.555090][ T73] do_syscall_64+0xc6/0x1e0 [ 1314.555090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1314.555090][ T73] [ 1324.702874][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1324.703272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.703272][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1324.703272][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1324.703272][ T73] fib6_nh_init+0xa22/0x1580 [ 1324.703272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.703272][ T73] ip6_route_add+0x1c/0x140 [ 1324.703272][ T73] inet6_rtm_newroute+0x104/0x110 [ 1324.703272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.703272][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.703272][ T73] netlink_unicast+0x449/0x710 [ 1324.703272][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.703272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.703272][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.703272][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.703272][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.703272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.703272][ T73] [ 1324.705187][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.705187][ T73] dst_init+0x84/0x4a0 [ 1324.705187][ T73] dst_alloc+0x97/0x150 [ 1324.705187][ T73] ip6_dst_alloc+0x23/0x90 [ 1324.705187][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1324.705187][ T73] ip6_pol_route+0x56f/0x840 [ 1324.705187][ T73] fib6_rule_lookup+0x456/0x630 [ 1324.705187][ T73] ip6_route_input+0x59c/0xa50 [ 1324.705187][ T73] ipv6_rcv+0x397/0x810 [ 1324.705187][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1324.705187][ T73] process_backlog+0x101/0x620 [ 1324.705187][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1324.705187][ T73] net_rx_action+0x495/0xbe0 [ 1324.705187][ T73] __do_softirq+0x1b5/0x7f6 [ 1324.705187][ T73] [ 1324.706821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.706821][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.706821][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.706821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.706821][ T73] ip6_route_add+0x1c/0x140 [ 1324.706821][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1324.706821][ T73] inet6_addr_add+0x4f8/0xa40 [ 1324.706821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.706821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.706821][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.706821][ T73] netlink_unicast+0x449/0x710 [ 1324.706821][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.706821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.706821][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.706821][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.706821][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.706821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.706821][ T73] [ 1324.708856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.708856][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.708856][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.708856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.708856][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1324.708856][ T73] ipv6_add_addr+0x411/0x2000 [ 1324.708856][ T73] inet6_addr_add+0x30e/0xa40 [ 1324.708856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.708856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.708856][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.708856][ T73] netlink_unicast+0x449/0x710 [ 1324.708856][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.708856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.708856][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.708856][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.708856][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.708856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.708856][ T73] [ 1324.710871][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.710871][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.710871][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.710871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.710871][ T73] ip6_route_add+0x1c/0x140 [ 1324.710871][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1324.710871][ T73] addrconf_add_dev+0xe2/0x170 [ 1324.710871][ T73] inet6_addr_add+0x12f/0xa40 [ 1324.710871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.710871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.710871][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.710871][ T73] netlink_unicast+0x449/0x710 [ 1324.710871][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.710871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.710871][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.710871][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.710871][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.710871][ T73] [ 1324.712859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.712859][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1324.712859][ T73] ipv6_find_idev+0x102/0x170 [ 1324.712859][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.712859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.712859][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.712859][ T73] netlink_unicast+0x449/0x710 [ 1324.712859][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.712859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.712859][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.712859][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.712859][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.712859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.712859][ T73] [ 1324.714431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1324.714431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1324.714431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1324.714431][ T73] ipv6_find_idev+0x102/0x170 [ 1324.714431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.714431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.714431][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.714431][ T73] netlink_unicast+0x449/0x710 [ 1324.714431][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.714431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.714431][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.714431][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.714431][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.714431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.714431][ T73] [ 1324.716156][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1324.716433][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.716433][ T73] dst_init+0x84/0x4a0 [ 1324.716433][ T73] dst_alloc+0x97/0x150 [ 1324.716433][ T73] ip6_dst_alloc+0x23/0x90 [ 1324.716433][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1324.716433][ T73] ip6_pol_route+0x56f/0x840 [ 1324.716433][ T73] fib6_rule_lookup+0x456/0x630 [ 1324.716433][ T73] ip6_route_input+0x59c/0xa50 [ 1324.716433][ T73] ipv6_rcv+0x397/0x810 [ 1324.716433][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1324.716433][ T73] process_backlog+0x101/0x620 [ 1324.716433][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1324.716433][ T73] net_rx_action+0x495/0xbe0 [ 1324.716433][ T73] __do_softirq+0x1b5/0x7f6 [ 1324.716433][ T73] [ 1324.718086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.718086][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.718086][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.718086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.718086][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1324.718086][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1324.718086][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1324.718086][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1324.718086][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1324.718086][ T73] addrconf_dad_begin+0x310/0x670 [ 1324.718086][ T73] addrconf_dad_work+0x10b/0xab0 [ 1324.718086][ T73] process_one_work+0x84d/0x18a0 [ 1324.718086][ T73] worker_thread+0x587/0xd30 [ 1324.718086][ T73] kthread+0x28a/0x350 [ 1324.718086][ T73] ret_from_fork+0x31/0x70 [ 1324.718086][ T73] ret_from_fork_asm+0x1a/0x30 [ 1324.718086][ T73] [ 1324.720009][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.720009][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.720009][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.720009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.720009][ T73] ip6_route_add+0x1c/0x140 [ 1324.720009][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1324.720009][ T73] inet6_addr_add+0x4f8/0xa40 [ 1324.720009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.720009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.720009][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.720009][ T73] netlink_unicast+0x449/0x710 [ 1324.720009][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.720009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.720009][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.720009][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.720009][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.720009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.720009][ T73] [ 1324.722008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.722008][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.722008][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.722008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.722008][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1324.722008][ T73] ipv6_add_addr+0x411/0x2000 [ 1324.722008][ T73] inet6_addr_add+0x30e/0xa40 [ 1324.722008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.722008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.722008][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.722008][ T73] netlink_unicast+0x449/0x710 [ 1324.722008][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.722008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.722008][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.722008][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.722008][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.722008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.722008][ T73] [ 1324.723998][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.723998][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.723998][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.723998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.723998][ T73] ip6_route_add+0x1c/0x140 [ 1324.723998][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1324.723998][ T73] addrconf_add_dev+0xe2/0x170 [ 1324.723998][ T73] inet6_addr_add+0x12f/0xa40 [ 1324.723998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.723998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.723998][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.723998][ T73] netlink_unicast+0x449/0x710 [ 1324.723998][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.723998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.723998][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.723998][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.723998][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.723998][ T73] [ 1324.725978][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.725978][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1324.725978][ T73] ipv6_find_idev+0x102/0x170 [ 1324.725978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.725978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.725978][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.725978][ T73] netlink_unicast+0x449/0x710 [ 1324.725978][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.725978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.725978][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.725978][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.725978][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.725978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.725978][ T73] [ 1324.727522][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1324.727522][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1324.727522][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1324.727522][ T73] ipv6_find_idev+0x102/0x170 [ 1324.727522][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.727522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.727522][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.727522][ T73] netlink_unicast+0x449/0x710 [ 1324.727522][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.727522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.727522][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.727522][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.727522][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.727522][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.727522][ T73] [ 1324.729340][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1324.729604][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.729604][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1324.729604][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1324.729604][ T73] fib6_nh_init+0xa22/0x1580 [ 1324.729604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.729604][ T73] ip6_route_add+0x1c/0x140 [ 1324.729604][ T73] inet6_rtm_newroute+0x104/0x110 [ 1324.729604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.729604][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.729604][ T73] netlink_unicast+0x449/0x710 [ 1324.729604][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.729604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.729604][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.729604][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.729604][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.729604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.729604][ T73] [ 1324.731749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.731749][ T73] dst_init+0x84/0x4a0 [ 1324.731749][ T73] dst_alloc+0x97/0x150 [ 1324.731749][ T73] ip6_dst_alloc+0x23/0x90 [ 1324.731749][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1324.731749][ T73] ip6_pol_route+0x56f/0x840 [ 1324.731749][ T73] fib6_rule_lookup+0x456/0x630 [ 1324.731749][ T73] ip6_route_input+0x59c/0xa50 [ 1324.731749][ T73] ipv6_rcv+0x397/0x810 [ 1324.731749][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1324.731749][ T73] process_backlog+0x101/0x620 [ 1324.731749][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1324.731749][ T73] net_rx_action+0x495/0xbe0 [ 1324.731749][ T73] __do_softirq+0x1b5/0x7f6 [ 1324.731749][ T73] [ 1324.733579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.733579][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.733579][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.733579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.733579][ T73] ip6_route_add+0x1c/0x140 [ 1324.733579][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1324.733579][ T73] inet6_addr_add+0x4f8/0xa40 [ 1324.733579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.733579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.733579][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.733579][ T73] netlink_unicast+0x449/0x710 [ 1324.733579][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.733579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.733579][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.733579][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.733579][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.733579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.733579][ T73] [ 1324.735912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.735912][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.735912][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.735912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.735912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1324.735912][ T73] ipv6_add_addr+0x411/0x2000 [ 1324.735912][ T73] inet6_addr_add+0x30e/0xa40 [ 1324.735912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.735912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.735912][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.735912][ T73] netlink_unicast+0x449/0x710 [ 1324.735912][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.735912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.735912][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.735912][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.735912][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.735912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.735912][ T73] [ 1324.738173][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.738173][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.738173][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.738173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.738173][ T73] ip6_route_add+0x1c/0x140 [ 1324.738173][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1324.738173][ T73] addrconf_add_dev+0xe2/0x170 [ 1324.738173][ T73] inet6_addr_add+0x12f/0xa40 [ 1324.738173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.738173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.738173][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.738173][ T73] netlink_unicast+0x449/0x710 [ 1324.738173][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.738173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.738173][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.738173][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.738173][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.738173][ T73] [ 1324.740316][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.740316][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1324.740316][ T73] ipv6_find_idev+0x102/0x170 [ 1324.740316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.740316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.740316][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.740316][ T73] netlink_unicast+0x449/0x710 [ 1324.740316][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.740316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.740316][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.740316][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.740316][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.740316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.740316][ T73] [ 1324.742039][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1324.742039][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1324.742039][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1324.742039][ T73] ipv6_find_idev+0x102/0x170 [ 1324.742039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.742039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.742039][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.742039][ T73] netlink_unicast+0x449/0x710 [ 1324.742039][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.742039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.742039][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.742039][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.742039][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.742039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.742039][ T73] [ 1324.744004][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1324.744289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1324.744289][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.744289][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.744289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.744289][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1324.744289][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1324.744289][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1324.744289][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1324.744289][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1324.744289][ T73] addrconf_dad_begin+0x310/0x670 [ 1324.744289][ T73] addrconf_dad_work+0x10b/0xab0 [ 1324.744289][ T73] process_one_work+0x84d/0x18a0 [ 1324.744289][ T73] worker_thread+0x587/0xd30 [ 1324.744289][ T73] kthread+0x28a/0x350 [ 1324.744289][ T73] ret_from_fork+0x31/0x70 [ 1324.744289][ T73] ret_from_fork_asm+0x1a/0x30 [ 1324.744289][ T73] [ 1324.746431][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1324.746431][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.746431][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.746431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.746431][ T73] ip6_route_add+0x1c/0x140 [ 1324.746431][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1324.746431][ T73] inet6_addr_add+0x4f8/0xa40 [ 1324.746431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.746431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.746431][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.746431][ T73] netlink_unicast+0x449/0x710 [ 1324.746431][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.746431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.746431][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.746431][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.746431][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.746431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.746431][ T73] [ 1324.748596][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1324.748596][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.748596][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.748596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.748596][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1324.748596][ T73] ipv6_add_addr+0x411/0x2000 [ 1324.748596][ T73] inet6_addr_add+0x30e/0xa40 [ 1324.748596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.748596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.748596][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.748596][ T73] netlink_unicast+0x449/0x710 [ 1324.748596][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.748596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.748596][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.748596][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.748596][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.748596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.748596][ T73] [ 1324.750827][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1324.750827][ T73] netdev_get_by_index+0x5e/0x80 [ 1324.750827][ T73] fib6_nh_init+0x3d8/0x1580 [ 1324.750827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1324.750827][ T73] ip6_route_add+0x1c/0x140 [ 1324.750827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1324.750827][ T73] addrconf_add_dev+0xe2/0x170 [ 1324.750827][ T73] inet6_addr_add+0x12f/0xa40 [ 1324.750827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1324.750827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.750827][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.750827][ T73] netlink_unicast+0x449/0x710 [ 1324.750827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.750827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.750827][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.750827][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.750827][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.750827][ T73] [ 1324.753017][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1324.753017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1324.753017][ T73] ipv6_find_idev+0x102/0x170 [ 1324.753017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.753017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.753017][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.753017][ T73] netlink_unicast+0x449/0x710 [ 1324.753017][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.753017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.753017][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.753017][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.753017][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.753017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.753017][ T73] [ 1324.754823][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1324.754823][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1324.754823][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1324.754823][ T73] ipv6_find_idev+0x102/0x170 [ 1324.754823][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1324.754823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1324.754823][ T73] netlink_rcv_skb+0x130/0x360 [ 1324.754823][ T73] netlink_unicast+0x449/0x710 [ 1324.754823][ T73] netlink_sendmsg+0x723/0xbe0 [ 1324.754823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1324.754823][ T73] ___sys_sendmsg+0xee/0x170 [ 1324.754823][ T73] __sys_sendmsg+0xcd/0x170 [ 1324.754823][ T73] do_syscall_64+0xc6/0x1e0 [ 1324.754823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1324.754823][ T73] [ 1334.862925][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1334.863383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.863383][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1334.863383][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1334.863383][ T73] fib6_nh_init+0xa22/0x1580 [ 1334.863383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.863383][ T73] ip6_route_add+0x1c/0x140 [ 1334.863383][ T73] inet6_rtm_newroute+0x104/0x110 [ 1334.863383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.863383][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.863383][ T73] netlink_unicast+0x449/0x710 [ 1334.863383][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.863383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.863383][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.863383][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.863383][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.863383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.863383][ T73] [ 1334.865302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.865302][ T73] dst_init+0x84/0x4a0 [ 1334.865302][ T73] dst_alloc+0x97/0x150 [ 1334.865302][ T73] ip6_dst_alloc+0x23/0x90 [ 1334.865302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1334.865302][ T73] ip6_pol_route+0x56f/0x840 [ 1334.865302][ T73] fib6_rule_lookup+0x456/0x630 [ 1334.865302][ T73] ip6_route_input+0x59c/0xa50 [ 1334.865302][ T73] ipv6_rcv+0x397/0x810 [ 1334.865302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1334.865302][ T73] process_backlog+0x101/0x620 [ 1334.865302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1334.865302][ T73] net_rx_action+0x495/0xbe0 [ 1334.865302][ T73] __do_softirq+0x1b5/0x7f6 [ 1334.865302][ T73] [ 1334.866935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.866935][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.866935][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.866935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.866935][ T73] ip6_route_add+0x1c/0x140 [ 1334.866935][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1334.866935][ T73] inet6_addr_add+0x4f8/0xa40 [ 1334.866935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.866935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.866935][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.866935][ T73] netlink_unicast+0x449/0x710 [ 1334.866935][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.866935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.866935][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.866935][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.866935][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.866935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.866935][ T73] [ 1334.868927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.868927][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.868927][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.868927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.868927][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1334.868927][ T73] ipv6_add_addr+0x411/0x2000 [ 1334.868927][ T73] inet6_addr_add+0x30e/0xa40 [ 1334.868927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.868927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.868927][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.868927][ T73] netlink_unicast+0x449/0x710 [ 1334.868927][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.868927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.868927][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.868927][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.868927][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.868927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.868927][ T73] [ 1334.870912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.870912][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.870912][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.870912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.870912][ T73] ip6_route_add+0x1c/0x140 [ 1334.870912][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1334.870912][ T73] addrconf_add_dev+0xe2/0x170 [ 1334.870912][ T73] inet6_addr_add+0x12f/0xa40 [ 1334.870912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.870912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.870912][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.870912][ T73] netlink_unicast+0x449/0x710 [ 1334.870912][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.870912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.870912][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.870912][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.870912][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.870912][ T73] [ 1334.872875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.872875][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1334.872875][ T73] ipv6_find_idev+0x102/0x170 [ 1334.872875][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.872875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.872875][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.872875][ T73] netlink_unicast+0x449/0x710 [ 1334.872875][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.872875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.872875][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.872875][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.872875][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.872875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.872875][ T73] [ 1334.874407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1334.874407][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1334.874407][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1334.874407][ T73] ipv6_find_idev+0x102/0x170 [ 1334.874407][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.874407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.874407][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.874407][ T73] netlink_unicast+0x449/0x710 [ 1334.874407][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.874407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.874407][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.874407][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.874407][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.874407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.874407][ T73] [ 1334.876089][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1334.876357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.876357][ T73] dst_init+0x84/0x4a0 [ 1334.876357][ T73] dst_alloc+0x97/0x150 [ 1334.876357][ T73] ip6_dst_alloc+0x23/0x90 [ 1334.876357][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1334.876357][ T73] ip6_pol_route+0x56f/0x840 [ 1334.876357][ T73] fib6_rule_lookup+0x456/0x630 [ 1334.876357][ T73] ip6_route_input+0x59c/0xa50 [ 1334.876357][ T73] ipv6_rcv+0x397/0x810 [ 1334.876357][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1334.876357][ T73] process_backlog+0x101/0x620 [ 1334.876357][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1334.876357][ T73] net_rx_action+0x495/0xbe0 [ 1334.876357][ T73] __do_softirq+0x1b5/0x7f6 [ 1334.876357][ T73] [ 1334.877992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.877992][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.877992][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.877992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.877992][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1334.877992][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1334.877992][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1334.877992][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1334.877992][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1334.877992][ T73] addrconf_dad_begin+0x310/0x670 [ 1334.877992][ T73] addrconf_dad_work+0x10b/0xab0 [ 1334.877992][ T73] process_one_work+0x84d/0x18a0 [ 1334.877992][ T73] worker_thread+0x587/0xd30 [ 1334.877992][ T73] kthread+0x28a/0x350 [ 1334.877992][ T73] ret_from_fork+0x31/0x70 [ 1334.877992][ T73] ret_from_fork_asm+0x1a/0x30 [ 1334.877992][ T73] [ 1334.879891][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.879891][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.879891][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.879891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.879891][ T73] ip6_route_add+0x1c/0x140 [ 1334.879891][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1334.879891][ T73] inet6_addr_add+0x4f8/0xa40 [ 1334.879891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.879891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.879891][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.879891][ T73] netlink_unicast+0x449/0x710 [ 1334.879891][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.879891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.879891][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.879891][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.879891][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.879891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.879891][ T73] [ 1334.881891][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.881891][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.881891][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.881891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.881891][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1334.881891][ T73] ipv6_add_addr+0x411/0x2000 [ 1334.881891][ T73] inet6_addr_add+0x30e/0xa40 [ 1334.881891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.881891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.881891][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.881891][ T73] netlink_unicast+0x449/0x710 [ 1334.881891][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.881891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.881891][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.881891][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.881891][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.881891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.881891][ T73] [ 1334.883880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.883880][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.883880][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.883880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.883880][ T73] ip6_route_add+0x1c/0x140 [ 1334.883880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1334.883880][ T73] addrconf_add_dev+0xe2/0x170 [ 1334.883880][ T73] inet6_addr_add+0x12f/0xa40 [ 1334.883880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.883880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.883880][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.883880][ T73] netlink_unicast+0x449/0x710 [ 1334.883880][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.883880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.883880][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.883880][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.883880][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.883880][ T73] [ 1334.885845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.885845][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1334.885845][ T73] ipv6_find_idev+0x102/0x170 [ 1334.885845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.885845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.885845][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.885845][ T73] netlink_unicast+0x449/0x710 [ 1334.885845][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.885845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.885845][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.885845][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.885845][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.885845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.885845][ T73] [ 1334.887381][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1334.887381][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1334.887381][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1334.887381][ T73] ipv6_find_idev+0x102/0x170 [ 1334.887381][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.887381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.887381][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.887381][ T73] netlink_unicast+0x449/0x710 [ 1334.887381][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.887381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.887381][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.887381][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.887381][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.887381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.887381][ T73] [ 1334.889177][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1334.889443][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.889443][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1334.889443][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1334.889443][ T73] fib6_nh_init+0xa22/0x1580 [ 1334.889443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.889443][ T73] ip6_route_add+0x1c/0x140 [ 1334.889443][ T73] inet6_rtm_newroute+0x104/0x110 [ 1334.889443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.889443][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.889443][ T73] netlink_unicast+0x449/0x710 [ 1334.889443][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.889443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.889443][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.889443][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.889443][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.889443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.889443][ T73] [ 1334.891617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.891617][ T73] dst_init+0x84/0x4a0 [ 1334.891617][ T73] dst_alloc+0x97/0x150 [ 1334.891617][ T73] ip6_dst_alloc+0x23/0x90 [ 1334.891617][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1334.891617][ T73] ip6_pol_route+0x56f/0x840 [ 1334.891617][ T73] fib6_rule_lookup+0x456/0x630 [ 1334.891617][ T73] ip6_route_input+0x59c/0xa50 [ 1334.891617][ T73] ipv6_rcv+0x397/0x810 [ 1334.891617][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1334.891617][ T73] process_backlog+0x101/0x620 [ 1334.891617][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1334.891617][ T73] net_rx_action+0x495/0xbe0 [ 1334.891617][ T73] __do_softirq+0x1b5/0x7f6 [ 1334.891617][ T73] [ 1334.893418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.893418][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.893418][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.893418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.893418][ T73] ip6_route_add+0x1c/0x140 [ 1334.893418][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1334.893418][ T73] inet6_addr_add+0x4f8/0xa40 [ 1334.893418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.893418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.893418][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.893418][ T73] netlink_unicast+0x449/0x710 [ 1334.893418][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.893418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.893418][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.893418][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.893418][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.893418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.893418][ T73] [ 1334.895618][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.895618][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.895618][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.895618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.895618][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1334.895618][ T73] ipv6_add_addr+0x411/0x2000 [ 1334.895618][ T73] inet6_addr_add+0x30e/0xa40 [ 1334.895618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.895618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.895618][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.895618][ T73] netlink_unicast+0x449/0x710 [ 1334.895618][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.895618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.895618][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.895618][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.895618][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.895618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.895618][ T73] [ 1334.897755][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.897755][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.897755][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.897755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.897755][ T73] ip6_route_add+0x1c/0x140 [ 1334.897755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1334.897755][ T73] addrconf_add_dev+0xe2/0x170 [ 1334.897755][ T73] inet6_addr_add+0x12f/0xa40 [ 1334.897755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.897755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.897755][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.897755][ T73] netlink_unicast+0x449/0x710 [ 1334.897755][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.897755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.897755][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.897755][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.897755][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.897755][ T73] [ 1334.899909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.899909][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1334.899909][ T73] ipv6_find_idev+0x102/0x170 [ 1334.899909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.899909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.899909][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.899909][ T73] netlink_unicast+0x449/0x710 [ 1334.899909][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.899909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.899909][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.899909][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.899909][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.899909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.899909][ T73] [ 1334.901542][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1334.901542][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1334.901542][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1334.901542][ T73] ipv6_find_idev+0x102/0x170 [ 1334.901542][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.901542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.901542][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.901542][ T73] netlink_unicast+0x449/0x710 [ 1334.901542][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.901542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.901542][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.901542][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.901542][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.901542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.901542][ T73] [ 1334.903400][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1334.903674][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1334.903674][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.903674][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.903674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.903674][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1334.903674][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1334.903674][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1334.903674][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1334.903674][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1334.903674][ T73] addrconf_dad_begin+0x310/0x670 [ 1334.903674][ T73] addrconf_dad_work+0x10b/0xab0 [ 1334.903674][ T73] process_one_work+0x84d/0x18a0 [ 1334.903674][ T73] worker_thread+0x587/0xd30 [ 1334.903674][ T73] kthread+0x28a/0x350 [ 1334.903674][ T73] ret_from_fork+0x31/0x70 [ 1334.903674][ T73] ret_from_fork_asm+0x1a/0x30 [ 1334.903674][ T73] [ 1334.905760][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1334.905760][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.905760][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.905760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.905760][ T73] ip6_route_add+0x1c/0x140 [ 1334.905760][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1334.905760][ T73] inet6_addr_add+0x4f8/0xa40 [ 1334.905760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.905760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.905760][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.905760][ T73] netlink_unicast+0x449/0x710 [ 1334.905760][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.905760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.905760][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.905760][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.905760][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.905760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.905760][ T73] [ 1334.907916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1334.907916][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.907916][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.907916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.907916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1334.907916][ T73] ipv6_add_addr+0x411/0x2000 [ 1334.907916][ T73] inet6_addr_add+0x30e/0xa40 [ 1334.907916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.907916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.907916][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.907916][ T73] netlink_unicast+0x449/0x710 [ 1334.907916][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.907916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.907916][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.907916][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.907916][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.907916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.907916][ T73] [ 1334.910150][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1334.910150][ T73] netdev_get_by_index+0x5e/0x80 [ 1334.910150][ T73] fib6_nh_init+0x3d8/0x1580 [ 1334.910150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1334.910150][ T73] ip6_route_add+0x1c/0x140 [ 1334.910150][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1334.910150][ T73] addrconf_add_dev+0xe2/0x170 [ 1334.910150][ T73] inet6_addr_add+0x12f/0xa40 [ 1334.910150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.910150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.910150][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.910150][ T73] netlink_unicast+0x449/0x710 [ 1334.910150][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.910150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.910150][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.910150][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.910150][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.910150][ T73] [ 1334.912275][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1334.912275][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1334.912275][ T73] ipv6_find_idev+0x102/0x170 [ 1334.912275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.912275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.912275][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.912275][ T73] netlink_unicast+0x449/0x710 [ 1334.912275][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.912275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.912275][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.912275][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.912275][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.912275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.912275][ T73] [ 1334.913900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1334.913900][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1334.913900][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1334.913900][ T73] ipv6_find_idev+0x102/0x170 [ 1334.913900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.913900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.913900][ T73] netlink_rcv_skb+0x130/0x360 [ 1334.913900][ T73] netlink_unicast+0x449/0x710 [ 1334.913900][ T73] netlink_sendmsg+0x723/0xbe0 [ 1334.913900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1334.913900][ T73] ___sys_sendmsg+0xee/0x170 [ 1334.913900][ T73] __sys_sendmsg+0xcd/0x170 [ 1334.913900][ T73] do_syscall_64+0xc6/0x1e0 [ 1334.913900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.913900][ T73] [ 1345.158886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1345.159349][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.159349][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1345.159349][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1345.159349][ T73] fib6_nh_init+0xa22/0x1580 [ 1345.159349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.159349][ T73] ip6_route_add+0x1c/0x140 [ 1345.159349][ T73] inet6_rtm_newroute+0x104/0x110 [ 1345.159349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.159349][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.159349][ T73] netlink_unicast+0x449/0x710 [ 1345.159349][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.159349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.159349][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.159349][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.159349][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.159349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.159349][ T73] [ 1345.161269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.161269][ T73] dst_init+0x84/0x4a0 [ 1345.161269][ T73] dst_alloc+0x97/0x150 [ 1345.161269][ T73] ip6_dst_alloc+0x23/0x90 [ 1345.161269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1345.161269][ T73] ip6_pol_route+0x56f/0x840 [ 1345.161269][ T73] fib6_rule_lookup+0x456/0x630 [ 1345.161269][ T73] ip6_route_input+0x59c/0xa50 [ 1345.161269][ T73] ipv6_rcv+0x397/0x810 [ 1345.161269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1345.161269][ T73] process_backlog+0x101/0x620 [ 1345.161269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1345.161269][ T73] net_rx_action+0x495/0xbe0 [ 1345.161269][ T73] __do_softirq+0x1b5/0x7f6 [ 1345.161269][ T73] [ 1345.162913][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.162913][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.162913][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.162913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.162913][ T73] ip6_route_add+0x1c/0x140 [ 1345.162913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1345.162913][ T73] inet6_addr_add+0x4f8/0xa40 [ 1345.162913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.162913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.162913][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.162913][ T73] netlink_unicast+0x449/0x710 [ 1345.162913][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.162913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.162913][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.162913][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.162913][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.162913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.162913][ T73] [ 1345.164954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.164954][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.164954][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.164954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.164954][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1345.164954][ T73] ipv6_add_addr+0x411/0x2000 [ 1345.164954][ T73] inet6_addr_add+0x30e/0xa40 [ 1345.164954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.164954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.164954][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.164954][ T73] netlink_unicast+0x449/0x710 [ 1345.164954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.164954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.164954][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.164954][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.164954][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.164954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.164954][ T73] [ 1345.166966][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.166966][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.166966][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.166966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.166966][ T73] ip6_route_add+0x1c/0x140 [ 1345.166966][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1345.166966][ T73] addrconf_add_dev+0xe2/0x170 [ 1345.166966][ T73] inet6_addr_add+0x12f/0xa40 [ 1345.166966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.166966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.166966][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.166966][ T73] netlink_unicast+0x449/0x710 [ 1345.166966][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.166966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.166966][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.166966][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.166966][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.166966][ T73] [ 1345.168963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.168963][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1345.168963][ T73] ipv6_find_idev+0x102/0x170 [ 1345.168963][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.168963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.168963][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.168963][ T73] netlink_unicast+0x449/0x710 [ 1345.168963][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.168963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.168963][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.168963][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.168963][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.168963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.168963][ T73] [ 1345.170503][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1345.170503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1345.170503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1345.170503][ T73] ipv6_find_idev+0x102/0x170 [ 1345.170503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.170503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.170503][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.170503][ T73] netlink_unicast+0x449/0x710 [ 1345.170503][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.170503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.170503][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.170503][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.170503][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.170503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.170503][ T73] [ 1345.172213][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1345.172485][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.172485][ T73] dst_init+0x84/0x4a0 [ 1345.172485][ T73] dst_alloc+0x97/0x150 [ 1345.172485][ T73] ip6_dst_alloc+0x23/0x90 [ 1345.172485][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1345.172485][ T73] ip6_pol_route+0x56f/0x840 [ 1345.172485][ T73] fib6_rule_lookup+0x456/0x630 [ 1345.172485][ T73] ip6_route_input+0x59c/0xa50 [ 1345.172485][ T73] ipv6_rcv+0x397/0x810 [ 1345.172485][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1345.172485][ T73] process_backlog+0x101/0x620 [ 1345.172485][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1345.172485][ T73] net_rx_action+0x495/0xbe0 [ 1345.172485][ T73] __do_softirq+0x1b5/0x7f6 [ 1345.172485][ T73] [ 1345.174139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.174139][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.174139][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.174139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.174139][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1345.174139][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1345.174139][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1345.174139][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1345.174139][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1345.174139][ T73] addrconf_dad_begin+0x310/0x670 [ 1345.174139][ T73] addrconf_dad_work+0x10b/0xab0 [ 1345.174139][ T73] process_one_work+0x84d/0x18a0 [ 1345.174139][ T73] worker_thread+0x587/0xd30 [ 1345.174139][ T73] kthread+0x28a/0x350 [ 1345.174139][ T73] ret_from_fork+0x31/0x70 [ 1345.174139][ T73] ret_from_fork_asm+0x1a/0x30 [ 1345.174139][ T73] [ 1345.176069][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.176069][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.176069][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.176069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.176069][ T73] ip6_route_add+0x1c/0x140 [ 1345.176069][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1345.176069][ T73] inet6_addr_add+0x4f8/0xa40 [ 1345.176069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.176069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.176069][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.176069][ T73] netlink_unicast+0x449/0x710 [ 1345.176069][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.176069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.176069][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.176069][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.176069][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.176069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.176069][ T73] [ 1345.178080][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.178080][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.178080][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.178080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.178080][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1345.178080][ T73] ipv6_add_addr+0x411/0x2000 [ 1345.178080][ T73] inet6_addr_add+0x30e/0xa40 [ 1345.178080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.178080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.178080][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.178080][ T73] netlink_unicast+0x449/0x710 [ 1345.178080][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.178080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.178080][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.178080][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.178080][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.178080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.178080][ T73] [ 1345.180110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.180110][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.180110][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.180110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.180110][ T73] ip6_route_add+0x1c/0x140 [ 1345.180110][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1345.180110][ T73] addrconf_add_dev+0xe2/0x170 [ 1345.180110][ T73] inet6_addr_add+0x12f/0xa40 [ 1345.180110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.180110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.180110][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.180110][ T73] netlink_unicast+0x449/0x710 [ 1345.180110][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.180110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.180110][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.180110][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.180110][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.180110][ T73] [ 1345.182096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.182096][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1345.182096][ T73] ipv6_find_idev+0x102/0x170 [ 1345.182096][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.182096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.182096][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.182096][ T73] netlink_unicast+0x449/0x710 [ 1345.182096][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.182096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.182096][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.182096][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.182096][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.182096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.182096][ T73] [ 1345.183690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1345.183690][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1345.183690][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1345.183690][ T73] ipv6_find_idev+0x102/0x170 [ 1345.183690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.183690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.183690][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.183690][ T73] netlink_unicast+0x449/0x710 [ 1345.183690][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.183690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.183690][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.183690][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.183690][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.183690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.183690][ T73] [ 1345.186419][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1345.186855][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.186855][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1345.186855][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1345.186855][ T73] fib6_nh_init+0xa22/0x1580 [ 1345.186855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.186855][ T73] ip6_route_add+0x1c/0x140 [ 1345.186855][ T73] inet6_rtm_newroute+0x104/0x110 [ 1345.186855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.186855][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.186855][ T73] netlink_unicast+0x449/0x710 [ 1345.186855][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.186855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.186855][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.186855][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.186855][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.186855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.186855][ T73] [ 1345.190000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.190000][ T73] dst_init+0x84/0x4a0 [ 1345.190000][ T73] dst_alloc+0x97/0x150 [ 1345.190000][ T73] ip6_dst_alloc+0x23/0x90 [ 1345.190000][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1345.190000][ T73] ip6_pol_route+0x56f/0x840 [ 1345.190000][ T73] fib6_rule_lookup+0x456/0x630 [ 1345.190000][ T73] ip6_route_input+0x59c/0xa50 [ 1345.190000][ T73] ipv6_rcv+0x397/0x810 [ 1345.190000][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1345.190000][ T73] process_backlog+0x101/0x620 [ 1345.190000][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1345.190000][ T73] net_rx_action+0x495/0xbe0 [ 1345.190000][ T73] __do_softirq+0x1b5/0x7f6 [ 1345.190000][ T73] [ 1345.192814][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.192814][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.192814][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.192814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.192814][ T73] ip6_route_add+0x1c/0x140 [ 1345.192814][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1345.192814][ T73] inet6_addr_add+0x4f8/0xa40 [ 1345.192814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.192814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.192814][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.192814][ T73] netlink_unicast+0x449/0x710 [ 1345.192814][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.192814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.192814][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.192814][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.192814][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.192814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.192814][ T73] [ 1345.195645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.195645][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.195645][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.195645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.195645][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1345.195645][ T73] ipv6_add_addr+0x411/0x2000 [ 1345.195645][ T73] inet6_addr_add+0x30e/0xa40 [ 1345.195645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.195645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.195645][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.195645][ T73] netlink_unicast+0x449/0x710 [ 1345.195645][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.195645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.195645][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.195645][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.195645][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.195645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.195645][ T73] [ 1345.197781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.197781][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.197781][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.197781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.197781][ T73] ip6_route_add+0x1c/0x140 [ 1345.197781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1345.197781][ T73] addrconf_add_dev+0xe2/0x170 [ 1345.197781][ T73] inet6_addr_add+0x12f/0xa40 [ 1345.197781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.197781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.197781][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.197781][ T73] netlink_unicast+0x449/0x710 [ 1345.197781][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.197781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.197781][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.197781][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.197781][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.197781][ T73] [ 1345.199944][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.199944][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1345.199944][ T73] ipv6_find_idev+0x102/0x170 [ 1345.199944][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.199944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.199944][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.199944][ T73] netlink_unicast+0x449/0x710 [ 1345.199944][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.199944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.199944][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.199944][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.199944][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.199944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.199944][ T73] [ 1345.201579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1345.201579][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1345.201579][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1345.201579][ T73] ipv6_find_idev+0x102/0x170 [ 1345.201579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.201579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.201579][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.201579][ T73] netlink_unicast+0x449/0x710 [ 1345.201579][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.201579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.201579][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.201579][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.201579][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.201579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.201579][ T73] [ 1345.203495][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1345.203776][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1345.203776][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.203776][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.203776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.203776][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1345.203776][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1345.203776][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1345.203776][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1345.203776][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1345.203776][ T73] addrconf_dad_begin+0x310/0x670 [ 1345.203776][ T73] addrconf_dad_work+0x10b/0xab0 [ 1345.203776][ T73] process_one_work+0x84d/0x18a0 [ 1345.203776][ T73] worker_thread+0x587/0xd30 [ 1345.203776][ T73] kthread+0x28a/0x350 [ 1345.203776][ T73] ret_from_fork+0x31/0x70 [ 1345.203776][ T73] ret_from_fork_asm+0x1a/0x30 [ 1345.203776][ T73] [ 1345.205867][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1345.205867][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.205867][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.205867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.205867][ T73] ip6_route_add+0x1c/0x140 [ 1345.205867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1345.205867][ T73] inet6_addr_add+0x4f8/0xa40 [ 1345.205867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.205867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.205867][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.205867][ T73] netlink_unicast+0x449/0x710 [ 1345.205867][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.205867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.205867][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.205867][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.205867][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.205867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.205867][ T73] [ 1345.207951][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1345.207951][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.207951][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.207951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.207951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1345.207951][ T73] ipv6_add_addr+0x411/0x2000 [ 1345.207951][ T73] inet6_addr_add+0x30e/0xa40 [ 1345.207951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.207951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.207951][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.207951][ T73] netlink_unicast+0x449/0x710 [ 1345.207951][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.207951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.207951][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.207951][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.207951][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.207951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.207951][ T73] [ 1345.210105][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1345.210105][ T73] netdev_get_by_index+0x5e/0x80 [ 1345.210105][ T73] fib6_nh_init+0x3d8/0x1580 [ 1345.210105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1345.210105][ T73] ip6_route_add+0x1c/0x140 [ 1345.210105][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1345.210105][ T73] addrconf_add_dev+0xe2/0x170 [ 1345.210105][ T73] inet6_addr_add+0x12f/0xa40 [ 1345.210105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1345.210105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.210105][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.210105][ T73] netlink_unicast+0x449/0x710 [ 1345.210105][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.210105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.210105][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.210105][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.210105][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.210105][ T73] [ 1345.212223][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1345.212223][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1345.212223][ T73] ipv6_find_idev+0x102/0x170 [ 1345.212223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.212223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.212223][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.212223][ T73] netlink_unicast+0x449/0x710 [ 1345.212223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.212223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.212223][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.212223][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.212223][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.212223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.212223][ T73] [ 1345.213913][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1345.213913][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1345.213913][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1345.213913][ T73] ipv6_find_idev+0x102/0x170 [ 1345.213913][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1345.213913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1345.213913][ T73] netlink_rcv_skb+0x130/0x360 [ 1345.213913][ T73] netlink_unicast+0x449/0x710 [ 1345.213913][ T73] netlink_sendmsg+0x723/0xbe0 [ 1345.213913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1345.213913][ T73] ___sys_sendmsg+0xee/0x170 [ 1345.213913][ T73] __sys_sendmsg+0xcd/0x170 [ 1345.213913][ T73] do_syscall_64+0xc6/0x1e0 [ 1345.213913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1345.213913][ T73] [ 1352.998911][ T42] INFO: task modprobe:887 blocked for more than 1105 seconds. [ 1352.999180][ T42] Not tainted 6.8.0-virtme #1 [ 1352.999299][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.999503][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 1352.999751][ T42] Call Trace: [ 1352.999874][ T42] [ 1352.999945][ T42] __schedule+0x705/0x1ac0 [ 1353.000080][ T42] ? __pfx___schedule+0x10/0x10 [ 1353.000204][ T42] ? schedule+0x1a5/0x210 [ 1353.000300][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.000433][ T42] ? mark_lock+0x38/0x3e0 [ 1353.000526][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1353.000658][ T42] ? schedule+0x1a5/0x210 [ 1353.000755][ T42] schedule+0xdf/0x210 [ 1353.000870][ T42] schedule_preempt_disabled+0x15/0x30 [ 1353.001003][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1353.001137][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1353.001298][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.001427][ T42] ? lock_acquire+0x1c1/0x220 [ 1353.001548][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1353.001681][ T42] down_write+0x1c9/0x200 [ 1353.001790][ T42] ? __pfx_down_write+0x10/0x10 [ 1353.001934][ T42] ? __lock_release+0x103/0x460 [ 1353.002094][ T42] ? __create_object+0x5e/0xb0 [ 1353.002222][ T42] ? __pfx___lock_release+0x10/0x10 [ 1353.002349][ T42] register_pernet_subsys+0x1a/0x50 [ 1353.002475][ T42] tcf_register_action+0xa3/0x600 [ 1353.002601][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1353.002769][ T42] do_one_initcall+0xc8/0x3f0 [ 1353.002924][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1353.003052][ T42] ? __create_object+0x5e/0xb0 [ 1353.003178][ T42] ? kasan_unpoison+0x27/0x60 [ 1353.003307][ T42] do_init_module+0x233/0x740 [ 1353.003444][ T42] load_module+0x16b5/0x2350 [ 1353.003593][ T42] ? __pfx_load_module+0x10/0x10 [ 1353.003718][ T42] ? kernel_read_file+0x3d2/0x520 [ 1353.003873][ T42] ? kernel_read_file+0x300/0x520 [ 1353.004004][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1353.004147][ T42] ? init_module_from_file+0xd2/0x130 [ 1353.004272][ T42] init_module_from_file+0xd2/0x130 [ 1353.004394][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1353.004553][ T42] ? __lock_release+0x103/0x460 [ 1353.004680][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.004828][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.004967][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1353.005103][ T42] idempotent_init_module+0x342/0x620 [ 1353.005230][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1353.005407][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1353.005532][ T42] do_syscall_64+0xc6/0x1e0 [ 1353.005667][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1353.005831][ T42] RIP: 0033:0x7f929d278e5d [ 1353.005958][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1353.006148][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 1353.006334][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 1353.006514][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 1353.006702][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 1353.006911][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 1353.007119][ T42] [ 1353.007213][ T42] [ 1353.007213][ T42] Showing all locks held in the system: [ 1353.007390][ T42] 2 locks held by kworker/u18:0/37: [ 1353.007512][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.007766][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.008081][ T42] 1 lock held by khungtaskd/42: [ 1353.008199][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1353.008422][ T42] 3 locks held by kworker/u16:1/73: [ 1353.008541][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.008797][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.009017][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1353.009240][ T42] 1 lock held by modprobe/887: [ 1353.009361][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1353.009604][ T42] [ 1353.009665][ T42] ============================================= [ 1353.009665][ T42] [ 1355.454911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1355.455440][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.455440][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1355.455440][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1355.455440][ T73] fib6_nh_init+0xa22/0x1580 [ 1355.455440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.455440][ T73] ip6_route_add+0x1c/0x140 [ 1355.455440][ T73] inet6_rtm_newroute+0x104/0x110 [ 1355.455440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.455440][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.455440][ T73] netlink_unicast+0x449/0x710 [ 1355.455440][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.455440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.455440][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.455440][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.455440][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.455440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.455440][ T73] [ 1355.458138][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.458138][ T73] dst_init+0x84/0x4a0 [ 1355.458138][ T73] dst_alloc+0x97/0x150 [ 1355.458138][ T73] ip6_dst_alloc+0x23/0x90 [ 1355.458138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1355.458138][ T73] ip6_pol_route+0x56f/0x840 [ 1355.458138][ T73] fib6_rule_lookup+0x456/0x630 [ 1355.458138][ T73] ip6_route_input+0x59c/0xa50 [ 1355.458138][ T73] ipv6_rcv+0x397/0x810 [ 1355.458138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1355.458138][ T73] process_backlog+0x101/0x620 [ 1355.458138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1355.458138][ T73] net_rx_action+0x495/0xbe0 [ 1355.458138][ T73] __do_softirq+0x1b5/0x7f6 [ 1355.458138][ T73] [ 1355.459779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.459779][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.459779][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.459779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.459779][ T73] ip6_route_add+0x1c/0x140 [ 1355.459779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1355.459779][ T73] inet6_addr_add+0x4f8/0xa40 [ 1355.459779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.459779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.459779][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.459779][ T73] netlink_unicast+0x449/0x710 [ 1355.459779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.459779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.459779][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.459779][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.459779][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.459779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.459779][ T73] [ 1355.463034][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.463034][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.463034][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.463034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.463034][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1355.463034][ T73] ipv6_add_addr+0x411/0x2000 [ 1355.463034][ T73] inet6_addr_add+0x30e/0xa40 [ 1355.463034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.463034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.463034][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.463034][ T73] netlink_unicast+0x449/0x710 [ 1355.463034][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.463034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.463034][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.463034][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.463034][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.463034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.463034][ T73] [ 1355.466146][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.466146][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.466146][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.466146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.466146][ T73] ip6_route_add+0x1c/0x140 [ 1355.466146][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1355.466146][ T73] addrconf_add_dev+0xe2/0x170 [ 1355.466146][ T73] inet6_addr_add+0x12f/0xa40 [ 1355.466146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.466146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.466146][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.466146][ T73] netlink_unicast+0x449/0x710 [ 1355.466146][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.466146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.466146][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.466146][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.466146][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.466146][ T73] [ 1355.468865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.468865][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1355.468865][ T73] ipv6_find_idev+0x102/0x170 [ 1355.468865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.468865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.468865][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.468865][ T73] netlink_unicast+0x449/0x710 [ 1355.468865][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.468865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.468865][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.468865][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.468865][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.468865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.468865][ T73] [ 1355.470501][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1355.470501][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1355.470501][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1355.470501][ T73] ipv6_find_idev+0x102/0x170 [ 1355.470501][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.470501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.470501][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.470501][ T73] netlink_unicast+0x449/0x710 [ 1355.470501][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.470501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.470501][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.470501][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.470501][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.470501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.470501][ T73] [ 1355.472260][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1355.472534][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.472534][ T73] dst_init+0x84/0x4a0 [ 1355.472534][ T73] dst_alloc+0x97/0x150 [ 1355.472534][ T73] ip6_dst_alloc+0x23/0x90 [ 1355.472534][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1355.472534][ T73] ip6_pol_route+0x56f/0x840 [ 1355.472534][ T73] fib6_rule_lookup+0x456/0x630 [ 1355.472534][ T73] ip6_route_input+0x59c/0xa50 [ 1355.472534][ T73] ipv6_rcv+0x397/0x810 [ 1355.472534][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1355.472534][ T73] process_backlog+0x101/0x620 [ 1355.472534][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1355.472534][ T73] net_rx_action+0x495/0xbe0 [ 1355.472534][ T73] __do_softirq+0x1b5/0x7f6 [ 1355.472534][ T73] [ 1355.474683][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.474683][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.474683][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.474683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.474683][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1355.474683][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1355.474683][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1355.474683][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1355.474683][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1355.474683][ T73] addrconf_dad_begin+0x310/0x670 [ 1355.474683][ T73] addrconf_dad_work+0x10b/0xab0 [ 1355.474683][ T73] process_one_work+0x84d/0x18a0 [ 1355.474683][ T73] worker_thread+0x587/0xd30 [ 1355.474683][ T73] kthread+0x28a/0x350 [ 1355.474683][ T73] ret_from_fork+0x31/0x70 [ 1355.474683][ T73] ret_from_fork_asm+0x1a/0x30 [ 1355.474683][ T73] [ 1355.477536][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.477536][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.477536][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.477536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.477536][ T73] ip6_route_add+0x1c/0x140 [ 1355.477536][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1355.477536][ T73] inet6_addr_add+0x4f8/0xa40 [ 1355.477536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.477536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.477536][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.477536][ T73] netlink_unicast+0x449/0x710 [ 1355.477536][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.477536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.477536][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.477536][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.477536][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.477536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.477536][ T73] [ 1355.480540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.480540][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.480540][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.480540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.480540][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1355.480540][ T73] ipv6_add_addr+0x411/0x2000 [ 1355.480540][ T73] inet6_addr_add+0x30e/0xa40 [ 1355.480540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.480540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.480540][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.480540][ T73] netlink_unicast+0x449/0x710 [ 1355.480540][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.480540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.480540][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.480540][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.480540][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.480540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.480540][ T73] [ 1355.483539][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.483539][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.483539][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.483539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.483539][ T73] ip6_route_add+0x1c/0x140 [ 1355.483539][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1355.483539][ T73] addrconf_add_dev+0xe2/0x170 [ 1355.483539][ T73] inet6_addr_add+0x12f/0xa40 [ 1355.483539][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.483539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.483539][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.483539][ T73] netlink_unicast+0x449/0x710 [ 1355.483539][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.483539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.483539][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.483539][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.483539][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.483539][ T73] [ 1355.486690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.486690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1355.486690][ T73] ipv6_find_idev+0x102/0x170 [ 1355.486690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.486690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.486690][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.486690][ T73] netlink_unicast+0x449/0x710 [ 1355.486690][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.486690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.486690][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.486690][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.486690][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.486690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.486690][ T73] [ 1355.489086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1355.489086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1355.489086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1355.489086][ T73] ipv6_find_idev+0x102/0x170 [ 1355.489086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.489086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.489086][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.489086][ T73] netlink_unicast+0x449/0x710 [ 1355.489086][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.489086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.489086][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.489086][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.489086][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.489086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.489086][ T73] [ 1355.491930][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1355.492357][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.492357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1355.492357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1355.492357][ T73] fib6_nh_init+0xa22/0x1580 [ 1355.492357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.492357][ T73] ip6_route_add+0x1c/0x140 [ 1355.492357][ T73] inet6_rtm_newroute+0x104/0x110 [ 1355.492357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.492357][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.492357][ T73] netlink_unicast+0x449/0x710 [ 1355.492357][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.492357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.492357][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.492357][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.492357][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.492357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.492357][ T73] [ 1355.495661][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.495661][ T73] dst_init+0x84/0x4a0 [ 1355.495661][ T73] dst_alloc+0x97/0x150 [ 1355.495661][ T73] ip6_dst_alloc+0x23/0x90 [ 1355.495661][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1355.495661][ T73] ip6_pol_route+0x56f/0x840 [ 1355.495661][ T73] fib6_rule_lookup+0x456/0x630 [ 1355.495661][ T73] ip6_route_input+0x59c/0xa50 [ 1355.495661][ T73] ipv6_rcv+0x397/0x810 [ 1355.495661][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1355.495661][ T73] process_backlog+0x101/0x620 [ 1355.495661][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1355.495661][ T73] net_rx_action+0x495/0xbe0 [ 1355.495661][ T73] __do_softirq+0x1b5/0x7f6 [ 1355.495661][ T73] [ 1355.498440][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.498440][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.498440][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.498440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.498440][ T73] ip6_route_add+0x1c/0x140 [ 1355.498440][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1355.498440][ T73] inet6_addr_add+0x4f8/0xa40 [ 1355.498440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.498440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.498440][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.498440][ T73] netlink_unicast+0x449/0x710 [ 1355.498440][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.498440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.498440][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.498440][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.498440][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.498440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.498440][ T73] [ 1355.501751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.501751][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.501751][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.501751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.501751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1355.501751][ T73] ipv6_add_addr+0x411/0x2000 [ 1355.501751][ T73] inet6_addr_add+0x30e/0xa40 [ 1355.501751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.501751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.501751][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.501751][ T73] netlink_unicast+0x449/0x710 [ 1355.501751][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.501751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.501751][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.501751][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.501751][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.501751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.501751][ T73] [ 1355.505202][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.505202][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.505202][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.505202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.505202][ T73] ip6_route_add+0x1c/0x140 [ 1355.505202][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1355.505202][ T73] addrconf_add_dev+0xe2/0x170 [ 1355.505202][ T73] inet6_addr_add+0x12f/0xa40 [ 1355.505202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.505202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.505202][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.505202][ T73] netlink_unicast+0x449/0x710 [ 1355.505202][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.505202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.505202][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.505202][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.505202][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.505202][ T73] [ 1355.508449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.508449][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1355.508449][ T73] ipv6_find_idev+0x102/0x170 [ 1355.508449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.508449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.508449][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.508449][ T73] netlink_unicast+0x449/0x710 [ 1355.508449][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.508449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.508449][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.508449][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.508449][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.508449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.508449][ T73] [ 1355.511145][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1355.511145][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1355.511145][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1355.511145][ T73] ipv6_find_idev+0x102/0x170 [ 1355.511145][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.511145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.511145][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.511145][ T73] netlink_unicast+0x449/0x710 [ 1355.511145][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.511145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.511145][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.511145][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.511145][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.511145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.511145][ T73] [ 1355.514083][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1355.514493][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1355.514493][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.514493][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.514493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.514493][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1355.514493][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1355.514493][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1355.514493][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1355.514493][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1355.514493][ T73] addrconf_dad_begin+0x310/0x670 [ 1355.514493][ T73] addrconf_dad_work+0x10b/0xab0 [ 1355.514493][ T73] process_one_work+0x84d/0x18a0 [ 1355.514493][ T73] worker_thread+0x587/0xd30 [ 1355.514493][ T73] kthread+0x28a/0x350 [ 1355.514493][ T73] ret_from_fork+0x31/0x70 [ 1355.514493][ T73] ret_from_fork_asm+0x1a/0x30 [ 1355.514493][ T73] [ 1355.517856][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1355.517856][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.517856][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.517856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.517856][ T73] ip6_route_add+0x1c/0x140 [ 1355.517856][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1355.517856][ T73] inet6_addr_add+0x4f8/0xa40 [ 1355.517856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.517856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.517856][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.517856][ T73] netlink_unicast+0x449/0x710 [ 1355.517856][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.517856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.517856][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.517856][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.517856][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.517856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.517856][ T73] [ 1355.521257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1355.521257][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.521257][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.521257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.521257][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1355.521257][ T73] ipv6_add_addr+0x411/0x2000 [ 1355.521257][ T73] inet6_addr_add+0x30e/0xa40 [ 1355.521257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.521257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.521257][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.521257][ T73] netlink_unicast+0x449/0x710 [ 1355.521257][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.521257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.521257][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.521257][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.521257][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.521257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.521257][ T73] [ 1355.524900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1355.524900][ T73] netdev_get_by_index+0x5e/0x80 [ 1355.524900][ T73] fib6_nh_init+0x3d8/0x1580 [ 1355.524900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1355.524900][ T73] ip6_route_add+0x1c/0x140 [ 1355.524900][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1355.524900][ T73] addrconf_add_dev+0xe2/0x170 [ 1355.524900][ T73] inet6_addr_add+0x12f/0xa40 [ 1355.524900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1355.524900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.524900][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.524900][ T73] netlink_unicast+0x449/0x710 [ 1355.524900][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.524900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.524900][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.524900][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.524900][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.524900][ T73] [ 1355.528288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1355.528288][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1355.528288][ T73] ipv6_find_idev+0x102/0x170 [ 1355.528288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.528288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.528288][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.528288][ T73] netlink_unicast+0x449/0x710 [ 1355.528288][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.528288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.528288][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.528288][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.528288][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.528288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.528288][ T73] [ 1355.530844][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1355.530844][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1355.530844][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1355.530844][ T73] ipv6_find_idev+0x102/0x170 [ 1355.530844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1355.530844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1355.530844][ T73] netlink_rcv_skb+0x130/0x360 [ 1355.530844][ T73] netlink_unicast+0x449/0x710 [ 1355.530844][ T73] netlink_sendmsg+0x723/0xbe0 [ 1355.530844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1355.530844][ T73] ___sys_sendmsg+0xee/0x170 [ 1355.530844][ T73] __sys_sendmsg+0xcd/0x170 [ 1355.530844][ T73] do_syscall_64+0xc6/0x1e0 [ 1355.530844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1355.530844][ T73] [ 1365.678899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1365.679416][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.679416][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1365.679416][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1365.679416][ T73] fib6_nh_init+0xa22/0x1580 [ 1365.679416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.679416][ T73] ip6_route_add+0x1c/0x140 [ 1365.679416][ T73] inet6_rtm_newroute+0x104/0x110 [ 1365.679416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.679416][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.679416][ T73] netlink_unicast+0x449/0x710 [ 1365.679416][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.679416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.679416][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.679416][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.679416][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.679416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.679416][ T73] [ 1365.681316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.681316][ T73] dst_init+0x84/0x4a0 [ 1365.681316][ T73] dst_alloc+0x97/0x150 [ 1365.681316][ T73] ip6_dst_alloc+0x23/0x90 [ 1365.681316][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1365.681316][ T73] ip6_pol_route+0x56f/0x840 [ 1365.681316][ T73] fib6_rule_lookup+0x456/0x630 [ 1365.681316][ T73] ip6_route_input+0x59c/0xa50 [ 1365.681316][ T73] ipv6_rcv+0x397/0x810 [ 1365.681316][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1365.681316][ T73] process_backlog+0x101/0x620 [ 1365.681316][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1365.681316][ T73] net_rx_action+0x495/0xbe0 [ 1365.681316][ T73] __do_softirq+0x1b5/0x7f6 [ 1365.681316][ T73] [ 1365.682950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.682950][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.682950][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.682950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.682950][ T73] ip6_route_add+0x1c/0x140 [ 1365.682950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1365.682950][ T73] inet6_addr_add+0x4f8/0xa40 [ 1365.682950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.682950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.682950][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.682950][ T73] netlink_unicast+0x449/0x710 [ 1365.682950][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.682950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.682950][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.682950][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.682950][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.682950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.682950][ T73] [ 1365.684983][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.684983][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.684983][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.684983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.684983][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1365.684983][ T73] ipv6_add_addr+0x411/0x2000 [ 1365.684983][ T73] inet6_addr_add+0x30e/0xa40 [ 1365.684983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.684983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.684983][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.684983][ T73] netlink_unicast+0x449/0x710 [ 1365.684983][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.684983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.684983][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.684983][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.684983][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.684983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.684983][ T73] [ 1365.686974][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.686974][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.686974][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.686974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.686974][ T73] ip6_route_add+0x1c/0x140 [ 1365.686974][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1365.686974][ T73] addrconf_add_dev+0xe2/0x170 [ 1365.686974][ T73] inet6_addr_add+0x12f/0xa40 [ 1365.686974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.686974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.686974][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.686974][ T73] netlink_unicast+0x449/0x710 [ 1365.686974][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.686974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.686974][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.686974][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.686974][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.686974][ T73] [ 1365.688954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.688954][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1365.688954][ T73] ipv6_find_idev+0x102/0x170 [ 1365.688954][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.688954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.688954][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.688954][ T73] netlink_unicast+0x449/0x710 [ 1365.688954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.688954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.688954][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.688954][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.688954][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.688954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.688954][ T73] [ 1365.690488][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1365.690488][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1365.690488][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1365.690488][ T73] ipv6_find_idev+0x102/0x170 [ 1365.690488][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.690488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.690488][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.690488][ T73] netlink_unicast+0x449/0x710 [ 1365.690488][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.690488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.690488][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.690488][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.690488][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.690488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.690488][ T73] [ 1365.692192][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1365.692472][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.692472][ T73] dst_init+0x84/0x4a0 [ 1365.692472][ T73] dst_alloc+0x97/0x150 [ 1365.692472][ T73] ip6_dst_alloc+0x23/0x90 [ 1365.692472][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1365.692472][ T73] ip6_pol_route+0x56f/0x840 [ 1365.692472][ T73] fib6_rule_lookup+0x456/0x630 [ 1365.692472][ T73] ip6_route_input+0x59c/0xa50 [ 1365.692472][ T73] ipv6_rcv+0x397/0x810 [ 1365.692472][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1365.692472][ T73] process_backlog+0x101/0x620 [ 1365.692472][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1365.692472][ T73] net_rx_action+0x495/0xbe0 [ 1365.692472][ T73] __do_softirq+0x1b5/0x7f6 [ 1365.692472][ T73] [ 1365.694110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.694110][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.694110][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.694110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.694110][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1365.694110][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1365.694110][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1365.694110][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1365.694110][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1365.694110][ T73] addrconf_dad_begin+0x310/0x670 [ 1365.694110][ T73] addrconf_dad_work+0x10b/0xab0 [ 1365.694110][ T73] process_one_work+0x84d/0x18a0 [ 1365.694110][ T73] worker_thread+0x587/0xd30 [ 1365.694110][ T73] kthread+0x28a/0x350 [ 1365.694110][ T73] ret_from_fork+0x31/0x70 [ 1365.694110][ T73] ret_from_fork_asm+0x1a/0x30 [ 1365.694110][ T73] [ 1365.696028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.696028][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.696028][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.696028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.696028][ T73] ip6_route_add+0x1c/0x140 [ 1365.696028][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1365.696028][ T73] inet6_addr_add+0x4f8/0xa40 [ 1365.696028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.696028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.696028][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.696028][ T73] netlink_unicast+0x449/0x710 [ 1365.696028][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.696028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.696028][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.696028][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.696028][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.696028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.696028][ T73] [ 1365.698018][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.698018][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.698018][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.698018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.698018][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1365.698018][ T73] ipv6_add_addr+0x411/0x2000 [ 1365.698018][ T73] inet6_addr_add+0x30e/0xa40 [ 1365.698018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.698018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.698018][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.698018][ T73] netlink_unicast+0x449/0x710 [ 1365.698018][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.698018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.698018][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.698018][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.698018][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.698018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.698018][ T73] [ 1365.700017][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.700017][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.700017][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.700017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.700017][ T73] ip6_route_add+0x1c/0x140 [ 1365.700017][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1365.700017][ T73] addrconf_add_dev+0xe2/0x170 [ 1365.700017][ T73] inet6_addr_add+0x12f/0xa40 [ 1365.700017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.700017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.700017][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.700017][ T73] netlink_unicast+0x449/0x710 [ 1365.700017][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.700017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.700017][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.700017][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.700017][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.700017][ T73] [ 1365.702065][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.702065][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1365.702065][ T73] ipv6_find_idev+0x102/0x170 [ 1365.702065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.702065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.702065][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.702065][ T73] netlink_unicast+0x449/0x710 [ 1365.702065][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.702065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.702065][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.702065][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.702065][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.702065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.702065][ T73] [ 1365.703621][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1365.703621][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1365.703621][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1365.703621][ T73] ipv6_find_idev+0x102/0x170 [ 1365.703621][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.703621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.703621][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.703621][ T73] netlink_unicast+0x449/0x710 [ 1365.703621][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.703621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.703621][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.703621][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.703621][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.703621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.703621][ T73] [ 1365.705458][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1365.705733][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.705733][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1365.705733][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1365.705733][ T73] fib6_nh_init+0xa22/0x1580 [ 1365.705733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.705733][ T73] ip6_route_add+0x1c/0x140 [ 1365.705733][ T73] inet6_rtm_newroute+0x104/0x110 [ 1365.705733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.705733][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.705733][ T73] netlink_unicast+0x449/0x710 [ 1365.705733][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.705733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.705733][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.705733][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.705733][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.705733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.705733][ T73] [ 1365.707953][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.707953][ T73] dst_init+0x84/0x4a0 [ 1365.707953][ T73] dst_alloc+0x97/0x150 [ 1365.707953][ T73] ip6_dst_alloc+0x23/0x90 [ 1365.707953][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1365.707953][ T73] ip6_pol_route+0x56f/0x840 [ 1365.707953][ T73] fib6_rule_lookup+0x456/0x630 [ 1365.707953][ T73] ip6_route_input+0x59c/0xa50 [ 1365.707953][ T73] ipv6_rcv+0x397/0x810 [ 1365.707953][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1365.707953][ T73] process_backlog+0x101/0x620 [ 1365.707953][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1365.707953][ T73] net_rx_action+0x495/0xbe0 [ 1365.707953][ T73] __do_softirq+0x1b5/0x7f6 [ 1365.707953][ T73] [ 1365.709761][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.709761][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.709761][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.709761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.709761][ T73] ip6_route_add+0x1c/0x140 [ 1365.709761][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1365.709761][ T73] inet6_addr_add+0x4f8/0xa40 [ 1365.709761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.709761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.709761][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.709761][ T73] netlink_unicast+0x449/0x710 [ 1365.709761][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.709761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.709761][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.709761][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.709761][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.709761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.709761][ T73] [ 1365.712012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.712012][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.712012][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.712012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.712012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1365.712012][ T73] ipv6_add_addr+0x411/0x2000 [ 1365.712012][ T73] inet6_addr_add+0x30e/0xa40 [ 1365.712012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.712012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.712012][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.712012][ T73] netlink_unicast+0x449/0x710 [ 1365.712012][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.712012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.712012][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.712012][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.712012][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.712012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.712012][ T73] [ 1365.714266][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.714266][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.714266][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.714266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.714266][ T73] ip6_route_add+0x1c/0x140 [ 1365.714266][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1365.714266][ T73] addrconf_add_dev+0xe2/0x170 [ 1365.714266][ T73] inet6_addr_add+0x12f/0xa40 [ 1365.714266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.714266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.714266][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.714266][ T73] netlink_unicast+0x449/0x710 [ 1365.714266][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.714266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.714266][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.714266][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.714266][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.714266][ T73] [ 1365.716493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.716493][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1365.716493][ T73] ipv6_find_idev+0x102/0x170 [ 1365.716493][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.716493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.716493][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.716493][ T73] netlink_unicast+0x449/0x710 [ 1365.716493][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.716493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.716493][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.716493][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.716493][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.716493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.716493][ T73] [ 1365.718215][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1365.718215][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1365.718215][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1365.718215][ T73] ipv6_find_idev+0x102/0x170 [ 1365.718215][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.718215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.718215][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.718215][ T73] netlink_unicast+0x449/0x710 [ 1365.718215][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.718215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.718215][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.718215][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.718215][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.718215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.718215][ T73] [ 1365.720156][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1365.720426][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1365.720426][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.720426][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.720426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.720426][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1365.720426][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1365.720426][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1365.720426][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1365.720426][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1365.720426][ T73] addrconf_dad_begin+0x310/0x670 [ 1365.720426][ T73] addrconf_dad_work+0x10b/0xab0 [ 1365.720426][ T73] process_one_work+0x84d/0x18a0 [ 1365.720426][ T73] worker_thread+0x587/0xd30 [ 1365.720426][ T73] kthread+0x28a/0x350 [ 1365.720426][ T73] ret_from_fork+0x31/0x70 [ 1365.720426][ T73] ret_from_fork_asm+0x1a/0x30 [ 1365.720426][ T73] [ 1365.722576][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1365.722576][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.722576][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.722576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.722576][ T73] ip6_route_add+0x1c/0x140 [ 1365.722576][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1365.722576][ T73] inet6_addr_add+0x4f8/0xa40 [ 1365.722576][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.722576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.722576][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.722576][ T73] netlink_unicast+0x449/0x710 [ 1365.722576][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.722576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.722576][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.722576][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.722576][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.722576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.722576][ T73] [ 1365.724772][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1365.724772][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.724772][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.724772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.724772][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1365.724772][ T73] ipv6_add_addr+0x411/0x2000 [ 1365.724772][ T73] inet6_addr_add+0x30e/0xa40 [ 1365.724772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.724772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.724772][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.724772][ T73] netlink_unicast+0x449/0x710 [ 1365.724772][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.724772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.724772][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.724772][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.724772][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.724772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.724772][ T73] [ 1365.727071][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1365.727071][ T73] netdev_get_by_index+0x5e/0x80 [ 1365.727071][ T73] fib6_nh_init+0x3d8/0x1580 [ 1365.727071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1365.727071][ T73] ip6_route_add+0x1c/0x140 [ 1365.727071][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1365.727071][ T73] addrconf_add_dev+0xe2/0x170 [ 1365.727071][ T73] inet6_addr_add+0x12f/0xa40 [ 1365.727071][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1365.727071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.727071][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.727071][ T73] netlink_unicast+0x449/0x710 [ 1365.727071][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.727071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.727071][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.727071][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.727071][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.727071][ T73] [ 1365.729311][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1365.729311][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1365.729311][ T73] ipv6_find_idev+0x102/0x170 [ 1365.729311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.729311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.729311][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.729311][ T73] netlink_unicast+0x449/0x710 [ 1365.729311][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.729311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.729311][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.729311][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.729311][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.729311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.729311][ T73] [ 1365.731028][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1365.731028][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1365.731028][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1365.731028][ T73] ipv6_find_idev+0x102/0x170 [ 1365.731028][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1365.731028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1365.731028][ T73] netlink_rcv_skb+0x130/0x360 [ 1365.731028][ T73] netlink_unicast+0x449/0x710 [ 1365.731028][ T73] netlink_sendmsg+0x723/0xbe0 [ 1365.731028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1365.731028][ T73] ___sys_sendmsg+0xee/0x170 [ 1365.731028][ T73] __sys_sendmsg+0xcd/0x170 [ 1365.731028][ T73] do_syscall_64+0xc6/0x1e0 [ 1365.731028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1365.731028][ T73] [ 1375.798842][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1375.799227][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.799227][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1375.799227][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1375.799227][ T73] fib6_nh_init+0xa22/0x1580 [ 1375.799227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.799227][ T73] ip6_route_add+0x1c/0x140 [ 1375.799227][ T73] inet6_rtm_newroute+0x104/0x110 [ 1375.799227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.799227][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.799227][ T73] netlink_unicast+0x449/0x710 [ 1375.799227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.799227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.799227][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.799227][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.799227][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.799227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.799227][ T73] [ 1375.801163][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.801163][ T73] dst_init+0x84/0x4a0 [ 1375.801163][ T73] dst_alloc+0x97/0x150 [ 1375.801163][ T73] ip6_dst_alloc+0x23/0x90 [ 1375.801163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1375.801163][ T73] ip6_pol_route+0x56f/0x840 [ 1375.801163][ T73] fib6_rule_lookup+0x456/0x630 [ 1375.801163][ T73] ip6_route_input+0x59c/0xa50 [ 1375.801163][ T73] ipv6_rcv+0x397/0x810 [ 1375.801163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1375.801163][ T73] process_backlog+0x101/0x620 [ 1375.801163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1375.801163][ T73] net_rx_action+0x495/0xbe0 [ 1375.801163][ T73] __do_softirq+0x1b5/0x7f6 [ 1375.801163][ T73] [ 1375.802806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.802806][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.802806][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.802806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.802806][ T73] ip6_route_add+0x1c/0x140 [ 1375.802806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1375.802806][ T73] inet6_addr_add+0x4f8/0xa40 [ 1375.802806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.802806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.802806][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.802806][ T73] netlink_unicast+0x449/0x710 [ 1375.802806][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.802806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.802806][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.802806][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.802806][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.802806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.802806][ T73] [ 1375.804837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.804837][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.804837][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.804837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.804837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1375.804837][ T73] ipv6_add_addr+0x411/0x2000 [ 1375.804837][ T73] inet6_addr_add+0x30e/0xa40 [ 1375.804837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.804837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.804837][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.804837][ T73] netlink_unicast+0x449/0x710 [ 1375.804837][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.804837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.804837][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.804837][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.804837][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.804837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.804837][ T73] [ 1375.807244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.807244][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.807244][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.807244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.807244][ T73] ip6_route_add+0x1c/0x140 [ 1375.807244][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1375.807244][ T73] addrconf_add_dev+0xe2/0x170 [ 1375.807244][ T73] inet6_addr_add+0x12f/0xa40 [ 1375.807244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.807244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.807244][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.807244][ T73] netlink_unicast+0x449/0x710 [ 1375.807244][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.807244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.807244][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.807244][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.807244][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.807244][ T73] [ 1375.809227][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.809227][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1375.809227][ T73] ipv6_find_idev+0x102/0x170 [ 1375.809227][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.809227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.809227][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.809227][ T73] netlink_unicast+0x449/0x710 [ 1375.809227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.809227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.809227][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.809227][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.809227][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.809227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.809227][ T73] [ 1375.810875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1375.810875][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1375.810875][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1375.810875][ T73] ipv6_find_idev+0x102/0x170 [ 1375.810875][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.810875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.810875][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.810875][ T73] netlink_unicast+0x449/0x710 [ 1375.810875][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.810875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.810875][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.810875][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.810875][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.810875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.810875][ T73] [ 1375.812599][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1375.812886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.812886][ T73] dst_init+0x84/0x4a0 [ 1375.812886][ T73] dst_alloc+0x97/0x150 [ 1375.812886][ T73] ip6_dst_alloc+0x23/0x90 [ 1375.812886][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1375.812886][ T73] ip6_pol_route+0x56f/0x840 [ 1375.812886][ T73] fib6_rule_lookup+0x456/0x630 [ 1375.812886][ T73] ip6_route_input+0x59c/0xa50 [ 1375.812886][ T73] ipv6_rcv+0x397/0x810 [ 1375.812886][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1375.812886][ T73] process_backlog+0x101/0x620 [ 1375.812886][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1375.812886][ T73] net_rx_action+0x495/0xbe0 [ 1375.812886][ T73] __do_softirq+0x1b5/0x7f6 [ 1375.812886][ T73] [ 1375.814555][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.814555][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.814555][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.814555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.814555][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1375.814555][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1375.814555][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1375.814555][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1375.814555][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1375.814555][ T73] addrconf_dad_begin+0x310/0x670 [ 1375.814555][ T73] addrconf_dad_work+0x10b/0xab0 [ 1375.814555][ T73] process_one_work+0x84d/0x18a0 [ 1375.814555][ T73] worker_thread+0x587/0xd30 [ 1375.814555][ T73] kthread+0x28a/0x350 [ 1375.814555][ T73] ret_from_fork+0x31/0x70 [ 1375.814555][ T73] ret_from_fork_asm+0x1a/0x30 [ 1375.814555][ T73] [ 1375.816526][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.816526][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.816526][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.816526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.816526][ T73] ip6_route_add+0x1c/0x140 [ 1375.816526][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1375.816526][ T73] inet6_addr_add+0x4f8/0xa40 [ 1375.816526][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.816526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.816526][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.816526][ T73] netlink_unicast+0x449/0x710 [ 1375.816526][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.816526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.816526][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.816526][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.816526][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.816526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.816526][ T73] [ 1375.818646][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.818646][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.818646][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.818646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.818646][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1375.818646][ T73] ipv6_add_addr+0x411/0x2000 [ 1375.818646][ T73] inet6_addr_add+0x30e/0xa40 [ 1375.818646][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.818646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.818646][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.818646][ T73] netlink_unicast+0x449/0x710 [ 1375.818646][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.818646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.818646][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.818646][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.818646][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.818646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.818646][ T73] [ 1375.820786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.820786][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.820786][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.820786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.820786][ T73] ip6_route_add+0x1c/0x140 [ 1375.820786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1375.820786][ T73] addrconf_add_dev+0xe2/0x170 [ 1375.820786][ T73] inet6_addr_add+0x12f/0xa40 [ 1375.820786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.820786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.820786][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.820786][ T73] netlink_unicast+0x449/0x710 [ 1375.820786][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.820786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.820786][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.820786][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.820786][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.820786][ T73] [ 1375.822803][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.822803][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1375.822803][ T73] ipv6_find_idev+0x102/0x170 [ 1375.822803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.822803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.822803][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.822803][ T73] netlink_unicast+0x449/0x710 [ 1375.822803][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.822803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.822803][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.822803][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.822803][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.822803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.822803][ T73] [ 1375.824412][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1375.824412][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1375.824412][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1375.824412][ T73] ipv6_find_idev+0x102/0x170 [ 1375.824412][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.824412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.824412][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.824412][ T73] netlink_unicast+0x449/0x710 [ 1375.824412][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.824412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.824412][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.824412][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.824412][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.824412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.824412][ T73] [ 1375.826197][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1375.826469][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.826469][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1375.826469][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1375.826469][ T73] fib6_nh_init+0xa22/0x1580 [ 1375.826469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.826469][ T73] ip6_route_add+0x1c/0x140 [ 1375.826469][ T73] inet6_rtm_newroute+0x104/0x110 [ 1375.826469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.826469][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.826469][ T73] netlink_unicast+0x449/0x710 [ 1375.826469][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.826469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.826469][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.826469][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.826469][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.826469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.826469][ T73] [ 1375.828529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.828529][ T73] dst_init+0x84/0x4a0 [ 1375.828529][ T73] dst_alloc+0x97/0x150 [ 1375.828529][ T73] ip6_dst_alloc+0x23/0x90 [ 1375.828529][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1375.828529][ T73] ip6_pol_route+0x56f/0x840 [ 1375.828529][ T73] fib6_rule_lookup+0x456/0x630 [ 1375.828529][ T73] ip6_route_input+0x59c/0xa50 [ 1375.828529][ T73] ipv6_rcv+0x397/0x810 [ 1375.828529][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1375.828529][ T73] process_backlog+0x101/0x620 [ 1375.828529][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1375.828529][ T73] net_rx_action+0x495/0xbe0 [ 1375.828529][ T73] __do_softirq+0x1b5/0x7f6 [ 1375.828529][ T73] [ 1375.830236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.830236][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.830236][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.830236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.830236][ T73] ip6_route_add+0x1c/0x140 [ 1375.830236][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1375.830236][ T73] inet6_addr_add+0x4f8/0xa40 [ 1375.830236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.830236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.830236][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.830236][ T73] netlink_unicast+0x449/0x710 [ 1375.830236][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.830236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.830236][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.830236][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.830236][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.830236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.830236][ T73] [ 1375.832452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.832452][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.832452][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.832452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.832452][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1375.832452][ T73] ipv6_add_addr+0x411/0x2000 [ 1375.832452][ T73] inet6_addr_add+0x30e/0xa40 [ 1375.832452][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.832452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.832452][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.832452][ T73] netlink_unicast+0x449/0x710 [ 1375.832452][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.832452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.832452][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.832452][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.832452][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.832452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.832452][ T73] [ 1375.834679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.834679][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.834679][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.834679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.834679][ T73] ip6_route_add+0x1c/0x140 [ 1375.834679][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1375.834679][ T73] addrconf_add_dev+0xe2/0x170 [ 1375.834679][ T73] inet6_addr_add+0x12f/0xa40 [ 1375.834679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.834679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.834679][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.834679][ T73] netlink_unicast+0x449/0x710 [ 1375.834679][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.834679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.834679][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.834679][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.834679][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.834679][ T73] [ 1375.836886][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.836886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1375.836886][ T73] ipv6_find_idev+0x102/0x170 [ 1375.836886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.836886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.836886][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.836886][ T73] netlink_unicast+0x449/0x710 [ 1375.836886][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.836886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.836886][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.836886][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.836886][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.836886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.836886][ T73] [ 1375.838579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1375.838579][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1375.838579][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1375.838579][ T73] ipv6_find_idev+0x102/0x170 [ 1375.838579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.838579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.838579][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.838579][ T73] netlink_unicast+0x449/0x710 [ 1375.838579][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.838579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.838579][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.838579][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.838579][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.838579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.838579][ T73] [ 1375.840931][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1375.841233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1375.841233][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.841233][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.841233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.841233][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1375.841233][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1375.841233][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1375.841233][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1375.841233][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1375.841233][ T73] addrconf_dad_begin+0x310/0x670 [ 1375.841233][ T73] addrconf_dad_work+0x10b/0xab0 [ 1375.841233][ T73] process_one_work+0x84d/0x18a0 [ 1375.841233][ T73] worker_thread+0x587/0xd30 [ 1375.841233][ T73] kthread+0x28a/0x350 [ 1375.841233][ T73] ret_from_fork+0x31/0x70 [ 1375.841233][ T73] ret_from_fork_asm+0x1a/0x30 [ 1375.841233][ T73] [ 1375.843222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1375.843222][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.843222][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.843222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.843222][ T73] ip6_route_add+0x1c/0x140 [ 1375.843222][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1375.843222][ T73] inet6_addr_add+0x4f8/0xa40 [ 1375.843222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.843222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.843222][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.843222][ T73] netlink_unicast+0x449/0x710 [ 1375.843222][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.843222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.843222][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.843222][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.843222][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.843222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.843222][ T73] [ 1375.845396][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1375.845396][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.845396][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.845396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.845396][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1375.845396][ T73] ipv6_add_addr+0x411/0x2000 [ 1375.845396][ T73] inet6_addr_add+0x30e/0xa40 [ 1375.845396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.845396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.845396][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.845396][ T73] netlink_unicast+0x449/0x710 [ 1375.845396][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.845396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.845396][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.845396][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.845396][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.845396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.845396][ T73] [ 1375.847552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1375.847552][ T73] netdev_get_by_index+0x5e/0x80 [ 1375.847552][ T73] fib6_nh_init+0x3d8/0x1580 [ 1375.847552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1375.847552][ T73] ip6_route_add+0x1c/0x140 [ 1375.847552][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1375.847552][ T73] addrconf_add_dev+0xe2/0x170 [ 1375.847552][ T73] inet6_addr_add+0x12f/0xa40 [ 1375.847552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.847552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.847552][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.847552][ T73] netlink_unicast+0x449/0x710 [ 1375.847552][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.847552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.847552][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.847552][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.847552][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.847552][ T73] [ 1375.849635][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1375.849635][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1375.849635][ T73] ipv6_find_idev+0x102/0x170 [ 1375.849635][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.849635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.849635][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.849635][ T73] netlink_unicast+0x449/0x710 [ 1375.849635][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.849635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.849635][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.849635][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.849635][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.849635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.849635][ T73] [ 1375.851235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1375.851235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1375.851235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1375.851235][ T73] ipv6_find_idev+0x102/0x170 [ 1375.851235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.851235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.851235][ T73] netlink_rcv_skb+0x130/0x360 [ 1375.851235][ T73] netlink_unicast+0x449/0x710 [ 1375.851235][ T73] netlink_sendmsg+0x723/0xbe0 [ 1375.851235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1375.851235][ T73] ___sys_sendmsg+0xee/0x170 [ 1375.851235][ T73] __sys_sendmsg+0xcd/0x170 [ 1375.851235][ T73] do_syscall_64+0xc6/0x1e0 [ 1375.851235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.851235][ T73] [ 1385.854840][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1385.855229][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.855229][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1385.855229][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1385.855229][ T73] fib6_nh_init+0xa22/0x1580 [ 1385.855229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.855229][ T73] ip6_route_add+0x1c/0x140 [ 1385.855229][ T73] inet6_rtm_newroute+0x104/0x110 [ 1385.855229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.855229][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.855229][ T73] netlink_unicast+0x449/0x710 [ 1385.855229][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.855229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.855229][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.855229][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.855229][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.855229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.855229][ T73] [ 1385.857160][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.857160][ T73] dst_init+0x84/0x4a0 [ 1385.857160][ T73] dst_alloc+0x97/0x150 [ 1385.857160][ T73] ip6_dst_alloc+0x23/0x90 [ 1385.857160][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1385.857160][ T73] ip6_pol_route+0x56f/0x840 [ 1385.857160][ T73] fib6_rule_lookup+0x456/0x630 [ 1385.857160][ T73] ip6_route_input+0x59c/0xa50 [ 1385.857160][ T73] ipv6_rcv+0x397/0x810 [ 1385.857160][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1385.857160][ T73] process_backlog+0x101/0x620 [ 1385.857160][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1385.857160][ T73] net_rx_action+0x495/0xbe0 [ 1385.857160][ T73] __do_softirq+0x1b5/0x7f6 [ 1385.857160][ T73] [ 1385.858911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.858911][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.858911][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.858911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.858911][ T73] ip6_route_add+0x1c/0x140 [ 1385.858911][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1385.858911][ T73] inet6_addr_add+0x4f8/0xa40 [ 1385.858911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.858911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.858911][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.858911][ T73] netlink_unicast+0x449/0x710 [ 1385.858911][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.858911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.858911][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.858911][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.858911][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.858911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.858911][ T73] [ 1385.861004][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.861004][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.861004][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.861004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.861004][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1385.861004][ T73] ipv6_add_addr+0x411/0x2000 [ 1385.861004][ T73] inet6_addr_add+0x30e/0xa40 [ 1385.861004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.861004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.861004][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.861004][ T73] netlink_unicast+0x449/0x710 [ 1385.861004][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.861004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.861004][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.861004][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.861004][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.861004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.861004][ T73] [ 1385.863000][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.863000][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.863000][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.863000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.863000][ T73] ip6_route_add+0x1c/0x140 [ 1385.863000][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1385.863000][ T73] addrconf_add_dev+0xe2/0x170 [ 1385.863000][ T73] inet6_addr_add+0x12f/0xa40 [ 1385.863000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.863000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.863000][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.863000][ T73] netlink_unicast+0x449/0x710 [ 1385.863000][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.863000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.863000][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.863000][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.863000][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.863000][ T73] [ 1385.864971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.864971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1385.864971][ T73] ipv6_find_idev+0x102/0x170 [ 1385.864971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.864971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.864971][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.864971][ T73] netlink_unicast+0x449/0x710 [ 1385.864971][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.864971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.864971][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.864971][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.864971][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.864971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.864971][ T73] [ 1385.866872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1385.866872][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1385.866872][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1385.866872][ T73] ipv6_find_idev+0x102/0x170 [ 1385.866872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.866872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.866872][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.866872][ T73] netlink_unicast+0x449/0x710 [ 1385.866872][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.866872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.866872][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.866872][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.866872][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.866872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.866872][ T73] [ 1385.868639][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1385.868920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.868920][ T73] dst_init+0x84/0x4a0 [ 1385.868920][ T73] dst_alloc+0x97/0x150 [ 1385.868920][ T73] ip6_dst_alloc+0x23/0x90 [ 1385.868920][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1385.868920][ T73] ip6_pol_route+0x56f/0x840 [ 1385.868920][ T73] fib6_rule_lookup+0x456/0x630 [ 1385.868920][ T73] ip6_route_input+0x59c/0xa50 [ 1385.868920][ T73] ipv6_rcv+0x397/0x810 [ 1385.868920][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1385.868920][ T73] process_backlog+0x101/0x620 [ 1385.868920][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1385.868920][ T73] net_rx_action+0x495/0xbe0 [ 1385.868920][ T73] __do_softirq+0x1b5/0x7f6 [ 1385.868920][ T73] [ 1385.870562][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.870562][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.870562][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.870562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.870562][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1385.870562][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1385.870562][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1385.870562][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1385.870562][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1385.870562][ T73] addrconf_dad_begin+0x310/0x670 [ 1385.870562][ T73] addrconf_dad_work+0x10b/0xab0 [ 1385.870562][ T73] process_one_work+0x84d/0x18a0 [ 1385.870562][ T73] worker_thread+0x587/0xd30 [ 1385.870562][ T73] kthread+0x28a/0x350 [ 1385.870562][ T73] ret_from_fork+0x31/0x70 [ 1385.870562][ T73] ret_from_fork_asm+0x1a/0x30 [ 1385.870562][ T73] [ 1385.872488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.872488][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.872488][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.872488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.872488][ T73] ip6_route_add+0x1c/0x140 [ 1385.872488][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1385.872488][ T73] inet6_addr_add+0x4f8/0xa40 [ 1385.872488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.872488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.872488][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.872488][ T73] netlink_unicast+0x449/0x710 [ 1385.872488][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.872488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.872488][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.872488][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.872488][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.872488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.872488][ T73] [ 1385.874508][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.874508][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.874508][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.874508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.874508][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1385.874508][ T73] ipv6_add_addr+0x411/0x2000 [ 1385.874508][ T73] inet6_addr_add+0x30e/0xa40 [ 1385.874508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.874508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.874508][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.874508][ T73] netlink_unicast+0x449/0x710 [ 1385.874508][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.874508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.874508][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.874508][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.874508][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.874508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.874508][ T73] [ 1385.876533][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.876533][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.876533][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.876533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.876533][ T73] ip6_route_add+0x1c/0x140 [ 1385.876533][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1385.876533][ T73] addrconf_add_dev+0xe2/0x170 [ 1385.876533][ T73] inet6_addr_add+0x12f/0xa40 [ 1385.876533][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.876533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.876533][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.876533][ T73] netlink_unicast+0x449/0x710 [ 1385.876533][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.876533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.876533][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.876533][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.876533][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.876533][ T73] [ 1385.878513][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.878513][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1385.878513][ T73] ipv6_find_idev+0x102/0x170 [ 1385.878513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.878513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.878513][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.878513][ T73] netlink_unicast+0x449/0x710 [ 1385.878513][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.878513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.878513][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.878513][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.878513][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.878513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.878513][ T73] [ 1385.880054][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1385.880054][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1385.880054][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1385.880054][ T73] ipv6_find_idev+0x102/0x170 [ 1385.880054][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.880054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.880054][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.880054][ T73] netlink_unicast+0x449/0x710 [ 1385.880054][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.880054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.880054][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.880054][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.880054][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.880054][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.880054][ T73] [ 1385.881874][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1385.882145][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.882145][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1385.882145][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1385.882145][ T73] fib6_nh_init+0xa22/0x1580 [ 1385.882145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.882145][ T73] ip6_route_add+0x1c/0x140 [ 1385.882145][ T73] inet6_rtm_newroute+0x104/0x110 [ 1385.882145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.882145][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.882145][ T73] netlink_unicast+0x449/0x710 [ 1385.882145][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.882145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.882145][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.882145][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.882145][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.882145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.882145][ T73] [ 1385.884797][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.884797][ T73] dst_init+0x84/0x4a0 [ 1385.884797][ T73] dst_alloc+0x97/0x150 [ 1385.884797][ T73] ip6_dst_alloc+0x23/0x90 [ 1385.884797][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1385.884797][ T73] ip6_pol_route+0x56f/0x840 [ 1385.884797][ T73] fib6_rule_lookup+0x456/0x630 [ 1385.884797][ T73] ip6_route_input+0x59c/0xa50 [ 1385.884797][ T73] ipv6_rcv+0x397/0x810 [ 1385.884797][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1385.884797][ T73] process_backlog+0x101/0x620 [ 1385.884797][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1385.884797][ T73] net_rx_action+0x495/0xbe0 [ 1385.884797][ T73] __do_softirq+0x1b5/0x7f6 [ 1385.884797][ T73] [ 1385.886994][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.886994][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.886994][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.886994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.886994][ T73] ip6_route_add+0x1c/0x140 [ 1385.886994][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1385.886994][ T73] inet6_addr_add+0x4f8/0xa40 [ 1385.886994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.886994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.886994][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.886994][ T73] netlink_unicast+0x449/0x710 [ 1385.886994][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.886994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.886994][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.886994][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.886994][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.886994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.886994][ T73] [ 1385.889244][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.889244][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.889244][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.889244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.889244][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1385.889244][ T73] ipv6_add_addr+0x411/0x2000 [ 1385.889244][ T73] inet6_addr_add+0x30e/0xa40 [ 1385.889244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.889244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.889244][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.889244][ T73] netlink_unicast+0x449/0x710 [ 1385.889244][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.889244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.889244][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.889244][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.889244][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.889244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.889244][ T73] [ 1385.891487][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.891487][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.891487][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.891487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.891487][ T73] ip6_route_add+0x1c/0x140 [ 1385.891487][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1385.891487][ T73] addrconf_add_dev+0xe2/0x170 [ 1385.891487][ T73] inet6_addr_add+0x12f/0xa40 [ 1385.891487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.891487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.891487][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.891487][ T73] netlink_unicast+0x449/0x710 [ 1385.891487][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.891487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.891487][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.891487][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.891487][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.891487][ T73] [ 1385.893703][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.893703][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1385.893703][ T73] ipv6_find_idev+0x102/0x170 [ 1385.893703][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.893703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.893703][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.893703][ T73] netlink_unicast+0x449/0x710 [ 1385.893703][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.893703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.893703][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.893703][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.893703][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.893703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.893703][ T73] [ 1385.895373][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1385.895373][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1385.895373][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1385.895373][ T73] ipv6_find_idev+0x102/0x170 [ 1385.895373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.895373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.895373][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.895373][ T73] netlink_unicast+0x449/0x710 [ 1385.895373][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.895373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.895373][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.895373][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.895373][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.895373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.895373][ T73] [ 1385.897318][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1385.897587][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1385.897587][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.897587][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.897587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.897587][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1385.897587][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1385.897587][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1385.897587][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1385.897587][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1385.897587][ T73] addrconf_dad_begin+0x310/0x670 [ 1385.897587][ T73] addrconf_dad_work+0x10b/0xab0 [ 1385.897587][ T73] process_one_work+0x84d/0x18a0 [ 1385.897587][ T73] worker_thread+0x587/0xd30 [ 1385.897587][ T73] kthread+0x28a/0x350 [ 1385.897587][ T73] ret_from_fork+0x31/0x70 [ 1385.897587][ T73] ret_from_fork_asm+0x1a/0x30 [ 1385.897587][ T73] [ 1385.899805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1385.899805][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.899805][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.899805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.899805][ T73] ip6_route_add+0x1c/0x140 [ 1385.899805][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1385.899805][ T73] inet6_addr_add+0x4f8/0xa40 [ 1385.899805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.899805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.899805][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.899805][ T73] netlink_unicast+0x449/0x710 [ 1385.899805][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.899805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.899805][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.899805][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.899805][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.899805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.899805][ T73] [ 1385.902037][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1385.902037][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.902037][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.902037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.902037][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1385.902037][ T73] ipv6_add_addr+0x411/0x2000 [ 1385.902037][ T73] inet6_addr_add+0x30e/0xa40 [ 1385.902037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.902037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.902037][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.902037][ T73] netlink_unicast+0x449/0x710 [ 1385.902037][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.902037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.902037][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.902037][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.902037][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.902037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.902037][ T73] [ 1385.904218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1385.904218][ T73] netdev_get_by_index+0x5e/0x80 [ 1385.904218][ T73] fib6_nh_init+0x3d8/0x1580 [ 1385.904218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1385.904218][ T73] ip6_route_add+0x1c/0x140 [ 1385.904218][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1385.904218][ T73] addrconf_add_dev+0xe2/0x170 [ 1385.904218][ T73] inet6_addr_add+0x12f/0xa40 [ 1385.904218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.904218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.904218][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.904218][ T73] netlink_unicast+0x449/0x710 [ 1385.904218][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.904218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.904218][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.904218][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.904218][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.904218][ T73] [ 1385.906427][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1385.906427][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1385.906427][ T73] ipv6_find_idev+0x102/0x170 [ 1385.906427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.906427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.906427][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.906427][ T73] netlink_unicast+0x449/0x710 [ 1385.906427][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.906427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.906427][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.906427][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.906427][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.906427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.906427][ T73] [ 1385.908145][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1385.908145][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1385.908145][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1385.908145][ T73] ipv6_find_idev+0x102/0x170 [ 1385.908145][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.908145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.908145][ T73] netlink_rcv_skb+0x130/0x360 [ 1385.908145][ T73] netlink_unicast+0x449/0x710 [ 1385.908145][ T73] netlink_sendmsg+0x723/0xbe0 [ 1385.908145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1385.908145][ T73] ___sys_sendmsg+0xee/0x170 [ 1385.908145][ T73] __sys_sendmsg+0xcd/0x170 [ 1385.908145][ T73] do_syscall_64+0xc6/0x1e0 [ 1385.908145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.908145][ T73] [ 1396.150888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1396.151287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.151287][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1396.151287][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1396.151287][ T73] fib6_nh_init+0xa22/0x1580 [ 1396.151287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.151287][ T73] ip6_route_add+0x1c/0x140 [ 1396.151287][ T73] inet6_rtm_newroute+0x104/0x110 [ 1396.151287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.151287][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.151287][ T73] netlink_unicast+0x449/0x710 [ 1396.151287][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.151287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.151287][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.151287][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.151287][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.151287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.151287][ T73] [ 1396.153155][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.153155][ T73] dst_init+0x84/0x4a0 [ 1396.153155][ T73] dst_alloc+0x97/0x150 [ 1396.153155][ T73] ip6_dst_alloc+0x23/0x90 [ 1396.153155][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1396.153155][ T73] ip6_pol_route+0x56f/0x840 [ 1396.153155][ T73] fib6_rule_lookup+0x456/0x630 [ 1396.153155][ T73] ip6_route_input+0x59c/0xa50 [ 1396.153155][ T73] ipv6_rcv+0x397/0x810 [ 1396.153155][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1396.153155][ T73] process_backlog+0x101/0x620 [ 1396.153155][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1396.153155][ T73] net_rx_action+0x495/0xbe0 [ 1396.153155][ T73] __do_softirq+0x1b5/0x7f6 [ 1396.153155][ T73] [ 1396.154799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.154799][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.154799][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.154799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.154799][ T73] ip6_route_add+0x1c/0x140 [ 1396.154799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1396.154799][ T73] inet6_addr_add+0x4f8/0xa40 [ 1396.154799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.154799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.154799][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.154799][ T73] netlink_unicast+0x449/0x710 [ 1396.154799][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.154799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.154799][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.154799][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.154799][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.154799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.154799][ T73] [ 1396.156779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.156779][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.156779][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.156779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.156779][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1396.156779][ T73] ipv6_add_addr+0x411/0x2000 [ 1396.156779][ T73] inet6_addr_add+0x30e/0xa40 [ 1396.156779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.156779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.156779][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.156779][ T73] netlink_unicast+0x449/0x710 [ 1396.156779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.156779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.156779][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.156779][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.156779][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.156779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.156779][ T73] [ 1396.158812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.158812][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.158812][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.158812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.158812][ T73] ip6_route_add+0x1c/0x140 [ 1396.158812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1396.158812][ T73] addrconf_add_dev+0xe2/0x170 [ 1396.158812][ T73] inet6_addr_add+0x12f/0xa40 [ 1396.158812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.158812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.158812][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.158812][ T73] netlink_unicast+0x449/0x710 [ 1396.158812][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.158812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.158812][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.158812][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.158812][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.158812][ T73] [ 1396.160779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.160779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1396.160779][ T73] ipv6_find_idev+0x102/0x170 [ 1396.160779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.160779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.160779][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.160779][ T73] netlink_unicast+0x449/0x710 [ 1396.160779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.160779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.160779][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.160779][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.160779][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.160779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.160779][ T73] [ 1396.162336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1396.162336][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1396.162336][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1396.162336][ T73] ipv6_find_idev+0x102/0x170 [ 1396.162336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.162336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.162336][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.162336][ T73] netlink_unicast+0x449/0x710 [ 1396.162336][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.162336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.162336][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.162336][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.162336][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.162336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.162336][ T73] [ 1396.164037][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1396.164312][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.164312][ T73] dst_init+0x84/0x4a0 [ 1396.164312][ T73] dst_alloc+0x97/0x150 [ 1396.164312][ T73] ip6_dst_alloc+0x23/0x90 [ 1396.164312][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1396.164312][ T73] ip6_pol_route+0x56f/0x840 [ 1396.164312][ T73] fib6_rule_lookup+0x456/0x630 [ 1396.164312][ T73] ip6_route_input+0x59c/0xa50 [ 1396.164312][ T73] ipv6_rcv+0x397/0x810 [ 1396.164312][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1396.164312][ T73] process_backlog+0x101/0x620 [ 1396.164312][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1396.164312][ T73] net_rx_action+0x495/0xbe0 [ 1396.164312][ T73] __do_softirq+0x1b5/0x7f6 [ 1396.164312][ T73] [ 1396.165962][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.165962][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.165962][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.165962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.165962][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1396.165962][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1396.165962][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1396.165962][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1396.165962][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1396.165962][ T73] addrconf_dad_begin+0x310/0x670 [ 1396.165962][ T73] addrconf_dad_work+0x10b/0xab0 [ 1396.165962][ T73] process_one_work+0x84d/0x18a0 [ 1396.165962][ T73] worker_thread+0x587/0xd30 [ 1396.165962][ T73] kthread+0x28a/0x350 [ 1396.165962][ T73] ret_from_fork+0x31/0x70 [ 1396.165962][ T73] ret_from_fork_asm+0x1a/0x30 [ 1396.165962][ T73] [ 1396.167856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.167856][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.167856][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.167856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.167856][ T73] ip6_route_add+0x1c/0x140 [ 1396.167856][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1396.167856][ T73] inet6_addr_add+0x4f8/0xa40 [ 1396.167856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.167856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.167856][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.167856][ T73] netlink_unicast+0x449/0x710 [ 1396.167856][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.167856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.167856][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.167856][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.167856][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.167856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.167856][ T73] [ 1396.169861][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.169861][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.169861][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.169861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.169861][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1396.169861][ T73] ipv6_add_addr+0x411/0x2000 [ 1396.169861][ T73] inet6_addr_add+0x30e/0xa40 [ 1396.169861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.169861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.169861][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.169861][ T73] netlink_unicast+0x449/0x710 [ 1396.169861][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.169861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.169861][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.169861][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.169861][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.169861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.169861][ T73] [ 1396.171836][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.171836][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.171836][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.171836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.171836][ T73] ip6_route_add+0x1c/0x140 [ 1396.171836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1396.171836][ T73] addrconf_add_dev+0xe2/0x170 [ 1396.171836][ T73] inet6_addr_add+0x12f/0xa40 [ 1396.171836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.171836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.171836][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.171836][ T73] netlink_unicast+0x449/0x710 [ 1396.171836][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.171836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.171836][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.171836][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.171836][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.171836][ T73] [ 1396.173792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.173792][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1396.173792][ T73] ipv6_find_idev+0x102/0x170 [ 1396.173792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.173792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.173792][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.173792][ T73] netlink_unicast+0x449/0x710 [ 1396.173792][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.173792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.173792][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.173792][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.173792][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.173792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.173792][ T73] [ 1396.175354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1396.175354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1396.175354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1396.175354][ T73] ipv6_find_idev+0x102/0x170 [ 1396.175354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.175354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.175354][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.175354][ T73] netlink_unicast+0x449/0x710 [ 1396.175354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.175354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.175354][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.175354][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.175354][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.175354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.175354][ T73] [ 1396.177126][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1396.177409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.177409][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1396.177409][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1396.177409][ T73] fib6_nh_init+0xa22/0x1580 [ 1396.177409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.177409][ T73] ip6_route_add+0x1c/0x140 [ 1396.177409][ T73] inet6_rtm_newroute+0x104/0x110 [ 1396.177409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.177409][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.177409][ T73] netlink_unicast+0x449/0x710 [ 1396.177409][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.177409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.177409][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.177409][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.177409][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.177409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.177409][ T73] [ 1396.179597][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.179597][ T73] dst_init+0x84/0x4a0 [ 1396.179597][ T73] dst_alloc+0x97/0x150 [ 1396.179597][ T73] ip6_dst_alloc+0x23/0x90 [ 1396.179597][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1396.179597][ T73] ip6_pol_route+0x56f/0x840 [ 1396.179597][ T73] fib6_rule_lookup+0x456/0x630 [ 1396.179597][ T73] ip6_route_input+0x59c/0xa50 [ 1396.179597][ T73] ipv6_rcv+0x397/0x810 [ 1396.179597][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1396.179597][ T73] process_backlog+0x101/0x620 [ 1396.179597][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1396.179597][ T73] net_rx_action+0x495/0xbe0 [ 1396.179597][ T73] __do_softirq+0x1b5/0x7f6 [ 1396.179597][ T73] [ 1396.181411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.181411][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.181411][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.181411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.181411][ T73] ip6_route_add+0x1c/0x140 [ 1396.181411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1396.181411][ T73] inet6_addr_add+0x4f8/0xa40 [ 1396.181411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.181411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.181411][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.181411][ T73] netlink_unicast+0x449/0x710 [ 1396.181411][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.181411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.181411][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.181411][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.181411][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.181411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.181411][ T73] [ 1396.183659][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.183659][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.183659][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.183659][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.183659][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1396.183659][ T73] ipv6_add_addr+0x411/0x2000 [ 1396.183659][ T73] inet6_addr_add+0x30e/0xa40 [ 1396.183659][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.183659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.183659][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.183659][ T73] netlink_unicast+0x449/0x710 [ 1396.183659][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.183659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.183659][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.183659][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.183659][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.183659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.183659][ T73] [ 1396.185966][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.185966][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.185966][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.185966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.185966][ T73] ip6_route_add+0x1c/0x140 [ 1396.185966][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1396.185966][ T73] addrconf_add_dev+0xe2/0x170 [ 1396.185966][ T73] inet6_addr_add+0x12f/0xa40 [ 1396.185966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.185966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.185966][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.185966][ T73] netlink_unicast+0x449/0x710 [ 1396.185966][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.185966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.185966][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.185966][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.185966][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.185966][ T73] [ 1396.188259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.188259][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1396.188259][ T73] ipv6_find_idev+0x102/0x170 [ 1396.188259][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.188259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.188259][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.188259][ T73] netlink_unicast+0x449/0x710 [ 1396.188259][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.188259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.188259][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.188259][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.188259][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.188259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.188259][ T73] [ 1396.189930][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1396.189930][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1396.189930][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1396.189930][ T73] ipv6_find_idev+0x102/0x170 [ 1396.189930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.189930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.189930][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.189930][ T73] netlink_unicast+0x449/0x710 [ 1396.189930][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.189930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.189930][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.189930][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.189930][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.189930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.189930][ T73] [ 1396.191887][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1396.192159][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1396.192159][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.192159][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.192159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.192159][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1396.192159][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1396.192159][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1396.192159][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1396.192159][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1396.192159][ T73] addrconf_dad_begin+0x310/0x670 [ 1396.192159][ T73] addrconf_dad_work+0x10b/0xab0 [ 1396.192159][ T73] process_one_work+0x84d/0x18a0 [ 1396.192159][ T73] worker_thread+0x587/0xd30 [ 1396.192159][ T73] kthread+0x28a/0x350 [ 1396.192159][ T73] ret_from_fork+0x31/0x70 [ 1396.192159][ T73] ret_from_fork_asm+0x1a/0x30 [ 1396.192159][ T73] [ 1396.194337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1396.194337][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.194337][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.194337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.194337][ T73] ip6_route_add+0x1c/0x140 [ 1396.194337][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1396.194337][ T73] inet6_addr_add+0x4f8/0xa40 [ 1396.194337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.194337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.194337][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.194337][ T73] netlink_unicast+0x449/0x710 [ 1396.194337][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.194337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.194337][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.194337][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.194337][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.194337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.194337][ T73] [ 1396.196582][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1396.196582][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.196582][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.196582][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.196582][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1396.196582][ T73] ipv6_add_addr+0x411/0x2000 [ 1396.196582][ T73] inet6_addr_add+0x30e/0xa40 [ 1396.196582][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.196582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.196582][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.196582][ T73] netlink_unicast+0x449/0x710 [ 1396.196582][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.196582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.196582][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.196582][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.196582][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.196582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.196582][ T73] [ 1396.198858][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1396.198858][ T73] netdev_get_by_index+0x5e/0x80 [ 1396.198858][ T73] fib6_nh_init+0x3d8/0x1580 [ 1396.198858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1396.198858][ T73] ip6_route_add+0x1c/0x140 [ 1396.198858][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1396.198858][ T73] addrconf_add_dev+0xe2/0x170 [ 1396.198858][ T73] inet6_addr_add+0x12f/0xa40 [ 1396.198858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1396.198858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.198858][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.198858][ T73] netlink_unicast+0x449/0x710 [ 1396.198858][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.198858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.198858][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.198858][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.198858][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.198858][ T73] [ 1396.201084][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1396.201084][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1396.201084][ T73] ipv6_find_idev+0x102/0x170 [ 1396.201084][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.201084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.201084][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.201084][ T73] netlink_unicast+0x449/0x710 [ 1396.201084][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.201084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.201084][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.201084][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.201084][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.201084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.201084][ T73] [ 1396.202811][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1396.202811][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1396.202811][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1396.202811][ T73] ipv6_find_idev+0x102/0x170 [ 1396.202811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1396.202811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1396.202811][ T73] netlink_rcv_skb+0x130/0x360 [ 1396.202811][ T73] netlink_unicast+0x449/0x710 [ 1396.202811][ T73] netlink_sendmsg+0x723/0xbe0 [ 1396.202811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1396.202811][ T73] ___sys_sendmsg+0xee/0x170 [ 1396.202811][ T73] __sys_sendmsg+0xcd/0x170 [ 1396.202811][ T73] do_syscall_64+0xc6/0x1e0 [ 1396.202811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1396.202811][ T73] [ 1406.278917][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1406.279302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.279302][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1406.279302][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1406.279302][ T73] fib6_nh_init+0xa22/0x1580 [ 1406.279302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.279302][ T73] ip6_route_add+0x1c/0x140 [ 1406.279302][ T73] inet6_rtm_newroute+0x104/0x110 [ 1406.279302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.279302][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.279302][ T73] netlink_unicast+0x449/0x710 [ 1406.279302][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.279302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.279302][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.279302][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.279302][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.279302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.279302][ T73] [ 1406.281221][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.281221][ T73] dst_init+0x84/0x4a0 [ 1406.281221][ T73] dst_alloc+0x97/0x150 [ 1406.281221][ T73] ip6_dst_alloc+0x23/0x90 [ 1406.281221][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1406.281221][ T73] ip6_pol_route+0x56f/0x840 [ 1406.281221][ T73] fib6_rule_lookup+0x456/0x630 [ 1406.281221][ T73] ip6_route_input+0x59c/0xa50 [ 1406.281221][ T73] ipv6_rcv+0x397/0x810 [ 1406.281221][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1406.281221][ T73] process_backlog+0x101/0x620 [ 1406.281221][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1406.281221][ T73] net_rx_action+0x495/0xbe0 [ 1406.281221][ T73] __do_softirq+0x1b5/0x7f6 [ 1406.281221][ T73] [ 1406.282887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.282887][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.282887][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.282887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.282887][ T73] ip6_route_add+0x1c/0x140 [ 1406.282887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1406.282887][ T73] inet6_addr_add+0x4f8/0xa40 [ 1406.282887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.282887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.282887][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.282887][ T73] netlink_unicast+0x449/0x710 [ 1406.282887][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.282887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.282887][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.282887][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.282887][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.282887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.282887][ T73] [ 1406.284903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.284903][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.284903][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.284903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.284903][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1406.284903][ T73] ipv6_add_addr+0x411/0x2000 [ 1406.284903][ T73] inet6_addr_add+0x30e/0xa40 [ 1406.284903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.284903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.284903][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.284903][ T73] netlink_unicast+0x449/0x710 [ 1406.284903][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.284903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.284903][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.284903][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.284903][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.284903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.284903][ T73] [ 1406.286905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.286905][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.286905][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.286905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.286905][ T73] ip6_route_add+0x1c/0x140 [ 1406.286905][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1406.286905][ T73] addrconf_add_dev+0xe2/0x170 [ 1406.286905][ T73] inet6_addr_add+0x12f/0xa40 [ 1406.286905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.286905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.286905][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.286905][ T73] netlink_unicast+0x449/0x710 [ 1406.286905][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.286905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.286905][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.286905][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.286905][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.286905][ T73] [ 1406.288905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.288905][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1406.288905][ T73] ipv6_find_idev+0x102/0x170 [ 1406.288905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.288905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.288905][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.288905][ T73] netlink_unicast+0x449/0x710 [ 1406.288905][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.288905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.288905][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.288905][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.288905][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.288905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.288905][ T73] [ 1406.290452][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1406.290452][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1406.290452][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1406.290452][ T73] ipv6_find_idev+0x102/0x170 [ 1406.290452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.290452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.290452][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.290452][ T73] netlink_unicast+0x449/0x710 [ 1406.290452][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.290452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.290452][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.290452][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.290452][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.290452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.290452][ T73] [ 1406.292139][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1406.292413][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.292413][ T73] dst_init+0x84/0x4a0 [ 1406.292413][ T73] dst_alloc+0x97/0x150 [ 1406.292413][ T73] ip6_dst_alloc+0x23/0x90 [ 1406.292413][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1406.292413][ T73] ip6_pol_route+0x56f/0x840 [ 1406.292413][ T73] fib6_rule_lookup+0x456/0x630 [ 1406.292413][ T73] ip6_route_input+0x59c/0xa50 [ 1406.292413][ T73] ipv6_rcv+0x397/0x810 [ 1406.292413][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1406.292413][ T73] process_backlog+0x101/0x620 [ 1406.292413][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1406.292413][ T73] net_rx_action+0x495/0xbe0 [ 1406.292413][ T73] __do_softirq+0x1b5/0x7f6 [ 1406.292413][ T73] [ 1406.294072][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.294072][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.294072][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.294072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.294072][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1406.294072][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1406.294072][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1406.294072][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1406.294072][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1406.294072][ T73] addrconf_dad_begin+0x310/0x670 [ 1406.294072][ T73] addrconf_dad_work+0x10b/0xab0 [ 1406.294072][ T73] process_one_work+0x84d/0x18a0 [ 1406.294072][ T73] worker_thread+0x587/0xd30 [ 1406.294072][ T73] kthread+0x28a/0x350 [ 1406.294072][ T73] ret_from_fork+0x31/0x70 [ 1406.294072][ T73] ret_from_fork_asm+0x1a/0x30 [ 1406.294072][ T73] [ 1406.296090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.296090][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.296090][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.296090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.296090][ T73] ip6_route_add+0x1c/0x140 [ 1406.296090][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1406.296090][ T73] inet6_addr_add+0x4f8/0xa40 [ 1406.296090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.296090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.296090][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.296090][ T73] netlink_unicast+0x449/0x710 [ 1406.296090][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.296090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.296090][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.296090][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.296090][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.296090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.296090][ T73] [ 1406.298193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.298193][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.298193][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.298193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.298193][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1406.298193][ T73] ipv6_add_addr+0x411/0x2000 [ 1406.298193][ T73] inet6_addr_add+0x30e/0xa40 [ 1406.298193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.298193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.298193][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.298193][ T73] netlink_unicast+0x449/0x710 [ 1406.298193][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.298193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.298193][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.298193][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.298193][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.298193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.298193][ T73] [ 1406.300227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.300227][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.300227][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.300227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.300227][ T73] ip6_route_add+0x1c/0x140 [ 1406.300227][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1406.300227][ T73] addrconf_add_dev+0xe2/0x170 [ 1406.300227][ T73] inet6_addr_add+0x12f/0xa40 [ 1406.300227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.300227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.300227][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.300227][ T73] netlink_unicast+0x449/0x710 [ 1406.300227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.300227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.300227][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.300227][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.300227][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.300227][ T73] [ 1406.302238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.302238][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1406.302238][ T73] ipv6_find_idev+0x102/0x170 [ 1406.302238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.302238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.302238][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.302238][ T73] netlink_unicast+0x449/0x710 [ 1406.302238][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.302238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.302238][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.302238][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.302238][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.302238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.302238][ T73] [ 1406.303879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1406.303879][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1406.303879][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1406.303879][ T73] ipv6_find_idev+0x102/0x170 [ 1406.303879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.303879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.303879][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.303879][ T73] netlink_unicast+0x449/0x710 [ 1406.303879][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.303879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.303879][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.303879][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.303879][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.303879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.303879][ T73] [ 1406.306364][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1406.306670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.306670][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1406.306670][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1406.306670][ T73] fib6_nh_init+0xa22/0x1580 [ 1406.306670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.306670][ T73] ip6_route_add+0x1c/0x140 [ 1406.306670][ T73] inet6_rtm_newroute+0x104/0x110 [ 1406.306670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.306670][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.306670][ T73] netlink_unicast+0x449/0x710 [ 1406.306670][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.306670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.306670][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.306670][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.306670][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.306670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.306670][ T73] [ 1406.308834][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.308834][ T73] dst_init+0x84/0x4a0 [ 1406.308834][ T73] dst_alloc+0x97/0x150 [ 1406.308834][ T73] ip6_dst_alloc+0x23/0x90 [ 1406.308834][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1406.308834][ T73] ip6_pol_route+0x56f/0x840 [ 1406.308834][ T73] fib6_rule_lookup+0x456/0x630 [ 1406.308834][ T73] ip6_route_input+0x59c/0xa50 [ 1406.308834][ T73] ipv6_rcv+0x397/0x810 [ 1406.308834][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1406.308834][ T73] process_backlog+0x101/0x620 [ 1406.308834][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1406.308834][ T73] net_rx_action+0x495/0xbe0 [ 1406.308834][ T73] __do_softirq+0x1b5/0x7f6 [ 1406.308834][ T73] [ 1406.310694][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.310694][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.310694][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.310694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.310694][ T73] ip6_route_add+0x1c/0x140 [ 1406.310694][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1406.310694][ T73] inet6_addr_add+0x4f8/0xa40 [ 1406.310694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.310694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.310694][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.310694][ T73] netlink_unicast+0x449/0x710 [ 1406.310694][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.310694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.310694][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.310694][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.310694][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.310694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.310694][ T73] [ 1406.313006][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.313006][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.313006][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.313006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.313006][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1406.313006][ T73] ipv6_add_addr+0x411/0x2000 [ 1406.313006][ T73] inet6_addr_add+0x30e/0xa40 [ 1406.313006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.313006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.313006][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.313006][ T73] netlink_unicast+0x449/0x710 [ 1406.313006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.313006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.313006][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.313006][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.313006][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.313006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.313006][ T73] [ 1406.315815][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.315815][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.315815][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.315815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.315815][ T73] ip6_route_add+0x1c/0x140 [ 1406.315815][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1406.315815][ T73] addrconf_add_dev+0xe2/0x170 [ 1406.315815][ T73] inet6_addr_add+0x12f/0xa40 [ 1406.315815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.315815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.315815][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.315815][ T73] netlink_unicast+0x449/0x710 [ 1406.315815][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.315815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.315815][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.315815][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.315815][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.315815][ T73] [ 1406.318170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.318170][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1406.318170][ T73] ipv6_find_idev+0x102/0x170 [ 1406.318170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.318170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.318170][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.318170][ T73] netlink_unicast+0x449/0x710 [ 1406.318170][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.318170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.318170][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.318170][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.318170][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.318170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.318170][ T73] [ 1406.319929][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1406.319929][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1406.319929][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1406.319929][ T73] ipv6_find_idev+0x102/0x170 [ 1406.319929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.319929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.319929][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.319929][ T73] netlink_unicast+0x449/0x710 [ 1406.319929][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.319929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.319929][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.319929][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.319929][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.319929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.319929][ T73] [ 1406.321992][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1406.322278][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1406.322278][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.322278][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.322278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.322278][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1406.322278][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1406.322278][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1406.322278][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1406.322278][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1406.322278][ T73] addrconf_dad_begin+0x310/0x670 [ 1406.322278][ T73] addrconf_dad_work+0x10b/0xab0 [ 1406.322278][ T73] process_one_work+0x84d/0x18a0 [ 1406.322278][ T73] worker_thread+0x587/0xd30 [ 1406.322278][ T73] kthread+0x28a/0x350 [ 1406.322278][ T73] ret_from_fork+0x31/0x70 [ 1406.322278][ T73] ret_from_fork_asm+0x1a/0x30 [ 1406.322278][ T73] [ 1406.324652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1406.324652][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.324652][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.324652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.324652][ T73] ip6_route_add+0x1c/0x140 [ 1406.324652][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1406.324652][ T73] inet6_addr_add+0x4f8/0xa40 [ 1406.324652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.324652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.324652][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.324652][ T73] netlink_unicast+0x449/0x710 [ 1406.324652][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.324652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.324652][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.324652][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.324652][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.324652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.324652][ T73] [ 1406.327060][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1406.327060][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.327060][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.327060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.327060][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1406.327060][ T73] ipv6_add_addr+0x411/0x2000 [ 1406.327060][ T73] inet6_addr_add+0x30e/0xa40 [ 1406.327060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.327060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.327060][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.327060][ T73] netlink_unicast+0x449/0x710 [ 1406.327060][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.327060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.327060][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.327060][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.327060][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.327060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.327060][ T73] [ 1406.329612][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1406.329612][ T73] netdev_get_by_index+0x5e/0x80 [ 1406.329612][ T73] fib6_nh_init+0x3d8/0x1580 [ 1406.329612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1406.329612][ T73] ip6_route_add+0x1c/0x140 [ 1406.329612][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1406.329612][ T73] addrconf_add_dev+0xe2/0x170 [ 1406.329612][ T73] inet6_addr_add+0x12f/0xa40 [ 1406.329612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1406.329612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.329612][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.329612][ T73] netlink_unicast+0x449/0x710 [ 1406.329612][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.329612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.329612][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.329612][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.329612][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.329612][ T73] [ 1406.331895][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1406.331895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1406.331895][ T73] ipv6_find_idev+0x102/0x170 [ 1406.331895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.331895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.331895][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.331895][ T73] netlink_unicast+0x449/0x710 [ 1406.331895][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.331895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.331895][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.331895][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.331895][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.331895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.331895][ T73] [ 1406.333820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1406.333820][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1406.333820][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1406.333820][ T73] ipv6_find_idev+0x102/0x170 [ 1406.333820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1406.333820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1406.333820][ T73] netlink_rcv_skb+0x130/0x360 [ 1406.333820][ T73] netlink_unicast+0x449/0x710 [ 1406.333820][ T73] netlink_sendmsg+0x723/0xbe0 [ 1406.333820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1406.333820][ T73] ___sys_sendmsg+0xee/0x170 [ 1406.333820][ T73] __sys_sendmsg+0xcd/0x170 [ 1406.333820][ T73] do_syscall_64+0xc6/0x1e0 [ 1406.333820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1406.333820][ T73] [ 1416.574833][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1416.575292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.575292][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1416.575292][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1416.575292][ T73] fib6_nh_init+0xa22/0x1580 [ 1416.575292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.575292][ T73] ip6_route_add+0x1c/0x140 [ 1416.575292][ T73] inet6_rtm_newroute+0x104/0x110 [ 1416.575292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.575292][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.575292][ T73] netlink_unicast+0x449/0x710 [ 1416.575292][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.575292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.575292][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.575292][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.575292][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.575292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.575292][ T73] [ 1416.577413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.577413][ T73] dst_init+0x84/0x4a0 [ 1416.577413][ T73] dst_alloc+0x97/0x150 [ 1416.577413][ T73] ip6_dst_alloc+0x23/0x90 [ 1416.577413][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1416.577413][ T73] ip6_pol_route+0x56f/0x840 [ 1416.577413][ T73] fib6_rule_lookup+0x456/0x630 [ 1416.577413][ T73] ip6_route_input+0x59c/0xa50 [ 1416.577413][ T73] ipv6_rcv+0x397/0x810 [ 1416.577413][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1416.577413][ T73] process_backlog+0x101/0x620 [ 1416.577413][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1416.577413][ T73] net_rx_action+0x495/0xbe0 [ 1416.577413][ T73] __do_softirq+0x1b5/0x7f6 [ 1416.577413][ T73] [ 1416.579449][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.579449][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.579449][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.579449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.579449][ T73] ip6_route_add+0x1c/0x140 [ 1416.579449][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1416.579449][ T73] inet6_addr_add+0x4f8/0xa40 [ 1416.579449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.579449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.579449][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.579449][ T73] netlink_unicast+0x449/0x710 [ 1416.579449][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.579449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.579449][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.579449][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.579449][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.579449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.579449][ T73] [ 1416.581465][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.581465][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.581465][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.581465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.581465][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1416.581465][ T73] ipv6_add_addr+0x411/0x2000 [ 1416.581465][ T73] inet6_addr_add+0x30e/0xa40 [ 1416.581465][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.581465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.581465][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.581465][ T73] netlink_unicast+0x449/0x710 [ 1416.581465][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.581465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.581465][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.581465][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.581465][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.581465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.581465][ T73] [ 1416.583468][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.583468][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.583468][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.583468][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.583468][ T73] ip6_route_add+0x1c/0x140 [ 1416.583468][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1416.583468][ T73] addrconf_add_dev+0xe2/0x170 [ 1416.583468][ T73] inet6_addr_add+0x12f/0xa40 [ 1416.583468][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.583468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.583468][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.583468][ T73] netlink_unicast+0x449/0x710 [ 1416.583468][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.583468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.583468][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.583468][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.583468][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.583468][ T73] [ 1416.585475][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.585475][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1416.585475][ T73] ipv6_find_idev+0x102/0x170 [ 1416.585475][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.585475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.585475][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.585475][ T73] netlink_unicast+0x449/0x710 [ 1416.585475][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.585475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.585475][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.585475][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.585475][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.585475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.585475][ T73] [ 1416.587016][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1416.587016][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1416.587016][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1416.587016][ T73] ipv6_find_idev+0x102/0x170 [ 1416.587016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.587016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.587016][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.587016][ T73] netlink_unicast+0x449/0x710 [ 1416.587016][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.587016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.587016][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.587016][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.587016][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.587016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.587016][ T73] [ 1416.588730][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1416.589027][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.589027][ T73] dst_init+0x84/0x4a0 [ 1416.589027][ T73] dst_alloc+0x97/0x150 [ 1416.589027][ T73] ip6_dst_alloc+0x23/0x90 [ 1416.589027][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1416.589027][ T73] ip6_pol_route+0x56f/0x840 [ 1416.589027][ T73] fib6_rule_lookup+0x456/0x630 [ 1416.589027][ T73] ip6_route_input+0x59c/0xa50 [ 1416.589027][ T73] ipv6_rcv+0x397/0x810 [ 1416.589027][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1416.589027][ T73] process_backlog+0x101/0x620 [ 1416.589027][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1416.589027][ T73] net_rx_action+0x495/0xbe0 [ 1416.589027][ T73] __do_softirq+0x1b5/0x7f6 [ 1416.589027][ T73] [ 1416.590686][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.590686][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.590686][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.590686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.590686][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1416.590686][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1416.590686][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1416.590686][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1416.590686][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1416.590686][ T73] addrconf_dad_begin+0x310/0x670 [ 1416.590686][ T73] addrconf_dad_work+0x10b/0xab0 [ 1416.590686][ T73] process_one_work+0x84d/0x18a0 [ 1416.590686][ T73] worker_thread+0x587/0xd30 [ 1416.590686][ T73] kthread+0x28a/0x350 [ 1416.590686][ T73] ret_from_fork+0x31/0x70 [ 1416.590686][ T73] ret_from_fork_asm+0x1a/0x30 [ 1416.590686][ T73] [ 1416.592612][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.592612][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.592612][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.592612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.592612][ T73] ip6_route_add+0x1c/0x140 [ 1416.592612][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1416.592612][ T73] inet6_addr_add+0x4f8/0xa40 [ 1416.592612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.592612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.592612][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.592612][ T73] netlink_unicast+0x449/0x710 [ 1416.592612][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.592612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.592612][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.592612][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.592612][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.592612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.592612][ T73] [ 1416.594636][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.594636][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.594636][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.594636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.594636][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1416.594636][ T73] ipv6_add_addr+0x411/0x2000 [ 1416.594636][ T73] inet6_addr_add+0x30e/0xa40 [ 1416.594636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.594636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.594636][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.594636][ T73] netlink_unicast+0x449/0x710 [ 1416.594636][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.594636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.594636][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.594636][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.594636][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.594636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.594636][ T73] [ 1416.596665][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.596665][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.596665][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.596665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.596665][ T73] ip6_route_add+0x1c/0x140 [ 1416.596665][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1416.596665][ T73] addrconf_add_dev+0xe2/0x170 [ 1416.596665][ T73] inet6_addr_add+0x12f/0xa40 [ 1416.596665][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.596665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.596665][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.596665][ T73] netlink_unicast+0x449/0x710 [ 1416.596665][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.596665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.596665][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.596665][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.596665][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.596665][ T73] [ 1416.598676][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.598676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1416.598676][ T73] ipv6_find_idev+0x102/0x170 [ 1416.598676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.598676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.598676][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.598676][ T73] netlink_unicast+0x449/0x710 [ 1416.598676][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.598676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.598676][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.598676][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.598676][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.598676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.598676][ T73] [ 1416.600593][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1416.600593][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1416.600593][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1416.600593][ T73] ipv6_find_idev+0x102/0x170 [ 1416.600593][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.600593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.600593][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.600593][ T73] netlink_unicast+0x449/0x710 [ 1416.600593][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.600593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.600593][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.600593][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.600593][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.600593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.600593][ T73] [ 1416.602722][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1416.603068][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.603068][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1416.603068][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1416.603068][ T73] fib6_nh_init+0xa22/0x1580 [ 1416.603068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.603068][ T73] ip6_route_add+0x1c/0x140 [ 1416.603068][ T73] inet6_rtm_newroute+0x104/0x110 [ 1416.603068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.603068][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.603068][ T73] netlink_unicast+0x449/0x710 [ 1416.603068][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.603068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.603068][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.603068][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.603068][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.603068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.603068][ T73] [ 1416.605678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.605678][ T73] dst_init+0x84/0x4a0 [ 1416.605678][ T73] dst_alloc+0x97/0x150 [ 1416.605678][ T73] ip6_dst_alloc+0x23/0x90 [ 1416.605678][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1416.605678][ T73] ip6_pol_route+0x56f/0x840 [ 1416.605678][ T73] fib6_rule_lookup+0x456/0x630 [ 1416.605678][ T73] ip6_route_input+0x59c/0xa50 [ 1416.605678][ T73] ipv6_rcv+0x397/0x810 [ 1416.605678][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1416.605678][ T73] process_backlog+0x101/0x620 [ 1416.605678][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1416.605678][ T73] net_rx_action+0x495/0xbe0 [ 1416.605678][ T73] __do_softirq+0x1b5/0x7f6 [ 1416.605678][ T73] [ 1416.607850][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.607850][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.607850][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.607850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.607850][ T73] ip6_route_add+0x1c/0x140 [ 1416.607850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1416.607850][ T73] inet6_addr_add+0x4f8/0xa40 [ 1416.607850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.607850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.607850][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.607850][ T73] netlink_unicast+0x449/0x710 [ 1416.607850][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.607850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.607850][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.607850][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.607850][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.607850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.607850][ T73] [ 1416.610527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.610527][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.610527][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.610527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.610527][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1416.610527][ T73] ipv6_add_addr+0x411/0x2000 [ 1416.610527][ T73] inet6_addr_add+0x30e/0xa40 [ 1416.610527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.610527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.610527][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.610527][ T73] netlink_unicast+0x449/0x710 [ 1416.610527][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.610527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.610527][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.610527][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.610527][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.610527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.610527][ T73] [ 1416.613704][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.613704][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.613704][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.613704][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.613704][ T73] ip6_route_add+0x1c/0x140 [ 1416.613704][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1416.613704][ T73] addrconf_add_dev+0xe2/0x170 [ 1416.613704][ T73] inet6_addr_add+0x12f/0xa40 [ 1416.613704][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.613704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.613704][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.613704][ T73] netlink_unicast+0x449/0x710 [ 1416.613704][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.613704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.613704][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.613704][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.613704][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.613704][ T73] [ 1416.616412][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.616412][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1416.616412][ T73] ipv6_find_idev+0x102/0x170 [ 1416.616412][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.616412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.616412][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.616412][ T73] netlink_unicast+0x449/0x710 [ 1416.616412][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.616412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.616412][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.616412][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.616412][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.616412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.616412][ T73] [ 1416.618093][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1416.618093][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1416.618093][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1416.618093][ T73] ipv6_find_idev+0x102/0x170 [ 1416.618093][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.618093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.618093][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.618093][ T73] netlink_unicast+0x449/0x710 [ 1416.618093][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.618093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.618093][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.618093][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.618093][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.618093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.618093][ T73] [ 1416.620048][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1416.620323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1416.620323][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.620323][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.620323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.620323][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1416.620323][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1416.620323][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1416.620323][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1416.620323][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1416.620323][ T73] addrconf_dad_begin+0x310/0x670 [ 1416.620323][ T73] addrconf_dad_work+0x10b/0xab0 [ 1416.620323][ T73] process_one_work+0x84d/0x18a0 [ 1416.620323][ T73] worker_thread+0x587/0xd30 [ 1416.620323][ T73] kthread+0x28a/0x350 [ 1416.620323][ T73] ret_from_fork+0x31/0x70 [ 1416.620323][ T73] ret_from_fork_asm+0x1a/0x30 [ 1416.620323][ T73] [ 1416.622501][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1416.622501][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.622501][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.622501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.622501][ T73] ip6_route_add+0x1c/0x140 [ 1416.622501][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1416.622501][ T73] inet6_addr_add+0x4f8/0xa40 [ 1416.622501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.622501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.622501][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.622501][ T73] netlink_unicast+0x449/0x710 [ 1416.622501][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.622501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.622501][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.622501][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.622501][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.622501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.622501][ T73] [ 1416.624814][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1416.624814][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.624814][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.624814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.624814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1416.624814][ T73] ipv6_add_addr+0x411/0x2000 [ 1416.624814][ T73] inet6_addr_add+0x30e/0xa40 [ 1416.624814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.624814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.624814][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.624814][ T73] netlink_unicast+0x449/0x710 [ 1416.624814][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.624814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.624814][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.624814][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.624814][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.624814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.624814][ T73] [ 1416.627021][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1416.627021][ T73] netdev_get_by_index+0x5e/0x80 [ 1416.627021][ T73] fib6_nh_init+0x3d8/0x1580 [ 1416.627021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1416.627021][ T73] ip6_route_add+0x1c/0x140 [ 1416.627021][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1416.627021][ T73] addrconf_add_dev+0xe2/0x170 [ 1416.627021][ T73] inet6_addr_add+0x12f/0xa40 [ 1416.627021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.627021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.627021][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.627021][ T73] netlink_unicast+0x449/0x710 [ 1416.627021][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.627021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.627021][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.627021][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.627021][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.627021][ T73] [ 1416.629223][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1416.629223][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1416.629223][ T73] ipv6_find_idev+0x102/0x170 [ 1416.629223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.629223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.629223][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.629223][ T73] netlink_unicast+0x449/0x710 [ 1416.629223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.629223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.629223][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.629223][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.629223][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.629223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.629223][ T73] [ 1416.631346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1416.631346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1416.631346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1416.631346][ T73] ipv6_find_idev+0x102/0x170 [ 1416.631346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.631346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.631346][ T73] netlink_rcv_skb+0x130/0x360 [ 1416.631346][ T73] netlink_unicast+0x449/0x710 [ 1416.631346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1416.631346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1416.631346][ T73] ___sys_sendmsg+0xee/0x170 [ 1416.631346][ T73] __sys_sendmsg+0xcd/0x170 [ 1416.631346][ T73] do_syscall_64+0xc6/0x1e0 [ 1416.631346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.631346][ T73] [ 1426.870848][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1426.871312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.871312][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1426.871312][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1426.871312][ T73] fib6_nh_init+0xa22/0x1580 [ 1426.871312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.871312][ T73] ip6_route_add+0x1c/0x140 [ 1426.871312][ T73] inet6_rtm_newroute+0x104/0x110 [ 1426.871312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.871312][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.871312][ T73] netlink_unicast+0x449/0x710 [ 1426.871312][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.871312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.871312][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.871312][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.871312][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.871312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.871312][ T73] [ 1426.873206][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.873206][ T73] dst_init+0x84/0x4a0 [ 1426.873206][ T73] dst_alloc+0x97/0x150 [ 1426.873206][ T73] ip6_dst_alloc+0x23/0x90 [ 1426.873206][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1426.873206][ T73] ip6_pol_route+0x56f/0x840 [ 1426.873206][ T73] fib6_rule_lookup+0x456/0x630 [ 1426.873206][ T73] ip6_route_input+0x59c/0xa50 [ 1426.873206][ T73] ipv6_rcv+0x397/0x810 [ 1426.873206][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1426.873206][ T73] process_backlog+0x101/0x620 [ 1426.873206][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1426.873206][ T73] net_rx_action+0x495/0xbe0 [ 1426.873206][ T73] __do_softirq+0x1b5/0x7f6 [ 1426.873206][ T73] [ 1426.874854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.874854][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.874854][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.874854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.874854][ T73] ip6_route_add+0x1c/0x140 [ 1426.874854][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1426.874854][ T73] inet6_addr_add+0x4f8/0xa40 [ 1426.874854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.874854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.874854][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.874854][ T73] netlink_unicast+0x449/0x710 [ 1426.874854][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.874854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.874854][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.874854][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.874854][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.874854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.874854][ T73] [ 1426.876853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.876853][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.876853][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.876853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.876853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1426.876853][ T73] ipv6_add_addr+0x411/0x2000 [ 1426.876853][ T73] inet6_addr_add+0x30e/0xa40 [ 1426.876853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.876853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.876853][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.876853][ T73] netlink_unicast+0x449/0x710 [ 1426.876853][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.876853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.876853][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.876853][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.876853][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.876853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.876853][ T73] [ 1426.878856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.878856][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.878856][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.878856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.878856][ T73] ip6_route_add+0x1c/0x140 [ 1426.878856][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1426.878856][ T73] addrconf_add_dev+0xe2/0x170 [ 1426.878856][ T73] inet6_addr_add+0x12f/0xa40 [ 1426.878856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.878856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.878856][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.878856][ T73] netlink_unicast+0x449/0x710 [ 1426.878856][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.878856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.878856][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.878856][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.878856][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.878856][ T73] [ 1426.880828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.880828][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1426.880828][ T73] ipv6_find_idev+0x102/0x170 [ 1426.880828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.880828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.880828][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.880828][ T73] netlink_unicast+0x449/0x710 [ 1426.880828][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.880828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.880828][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.880828][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.880828][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.880828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.880828][ T73] [ 1426.882386][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1426.882386][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1426.882386][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1426.882386][ T73] ipv6_find_idev+0x102/0x170 [ 1426.882386][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.882386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.882386][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.882386][ T73] netlink_unicast+0x449/0x710 [ 1426.882386][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.882386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.882386][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.882386][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.882386][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.882386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.882386][ T73] [ 1426.884100][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1426.884429][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.884429][ T73] dst_init+0x84/0x4a0 [ 1426.884429][ T73] dst_alloc+0x97/0x150 [ 1426.884429][ T73] ip6_dst_alloc+0x23/0x90 [ 1426.884429][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1426.884429][ T73] ip6_pol_route+0x56f/0x840 [ 1426.884429][ T73] fib6_rule_lookup+0x456/0x630 [ 1426.884429][ T73] ip6_route_input+0x59c/0xa50 [ 1426.884429][ T73] ipv6_rcv+0x397/0x810 [ 1426.884429][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1426.884429][ T73] process_backlog+0x101/0x620 [ 1426.884429][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1426.884429][ T73] net_rx_action+0x495/0xbe0 [ 1426.884429][ T73] __do_softirq+0x1b5/0x7f6 [ 1426.884429][ T73] [ 1426.886091][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.886091][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.886091][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.886091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.886091][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1426.886091][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1426.886091][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1426.886091][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1426.886091][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1426.886091][ T73] addrconf_dad_begin+0x310/0x670 [ 1426.886091][ T73] addrconf_dad_work+0x10b/0xab0 [ 1426.886091][ T73] process_one_work+0x84d/0x18a0 [ 1426.886091][ T73] worker_thread+0x587/0xd30 [ 1426.886091][ T73] kthread+0x28a/0x350 [ 1426.886091][ T73] ret_from_fork+0x31/0x70 [ 1426.886091][ T73] ret_from_fork_asm+0x1a/0x30 [ 1426.886091][ T73] [ 1426.888001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.888001][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.888001][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.888001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.888001][ T73] ip6_route_add+0x1c/0x140 [ 1426.888001][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1426.888001][ T73] inet6_addr_add+0x4f8/0xa40 [ 1426.888001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.888001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.888001][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.888001][ T73] netlink_unicast+0x449/0x710 [ 1426.888001][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.888001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.888001][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.888001][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.888001][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.888001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.888001][ T73] [ 1426.890016][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.890016][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.890016][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.890016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.890016][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1426.890016][ T73] ipv6_add_addr+0x411/0x2000 [ 1426.890016][ T73] inet6_addr_add+0x30e/0xa40 [ 1426.890016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.890016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.890016][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.890016][ T73] netlink_unicast+0x449/0x710 [ 1426.890016][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.890016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.890016][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.890016][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.890016][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.890016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.890016][ T73] [ 1426.892018][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.892018][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.892018][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.892018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.892018][ T73] ip6_route_add+0x1c/0x140 [ 1426.892018][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1426.892018][ T73] addrconf_add_dev+0xe2/0x170 [ 1426.892018][ T73] inet6_addr_add+0x12f/0xa40 [ 1426.892018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.892018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.892018][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.892018][ T73] netlink_unicast+0x449/0x710 [ 1426.892018][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.892018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.892018][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.892018][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.892018][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.892018][ T73] [ 1426.894015][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.894015][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1426.894015][ T73] ipv6_find_idev+0x102/0x170 [ 1426.894015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.894015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.894015][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.894015][ T73] netlink_unicast+0x449/0x710 [ 1426.894015][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.894015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.894015][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.894015][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.894015][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.894015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.894015][ T73] [ 1426.895553][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1426.895553][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1426.895553][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1426.895553][ T73] ipv6_find_idev+0x102/0x170 [ 1426.895553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.895553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.895553][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.895553][ T73] netlink_unicast+0x449/0x710 [ 1426.895553][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.895553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.895553][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.895553][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.895553][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.895553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.895553][ T73] [ 1426.897390][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1426.897666][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.897666][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1426.897666][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1426.897666][ T73] fib6_nh_init+0xa22/0x1580 [ 1426.897666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.897666][ T73] ip6_route_add+0x1c/0x140 [ 1426.897666][ T73] inet6_rtm_newroute+0x104/0x110 [ 1426.897666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.897666][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.897666][ T73] netlink_unicast+0x449/0x710 [ 1426.897666][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.897666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.897666][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.897666][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.897666][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.897666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.897666][ T73] [ 1426.899820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.899820][ T73] dst_init+0x84/0x4a0 [ 1426.899820][ T73] dst_alloc+0x97/0x150 [ 1426.899820][ T73] ip6_dst_alloc+0x23/0x90 [ 1426.899820][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1426.899820][ T73] ip6_pol_route+0x56f/0x840 [ 1426.899820][ T73] fib6_rule_lookup+0x456/0x630 [ 1426.899820][ T73] ip6_route_input+0x59c/0xa50 [ 1426.899820][ T73] ipv6_rcv+0x397/0x810 [ 1426.899820][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1426.899820][ T73] process_backlog+0x101/0x620 [ 1426.899820][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1426.899820][ T73] net_rx_action+0x495/0xbe0 [ 1426.899820][ T73] __do_softirq+0x1b5/0x7f6 [ 1426.899820][ T73] [ 1426.901636][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.901636][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.901636][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.901636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.901636][ T73] ip6_route_add+0x1c/0x140 [ 1426.901636][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1426.901636][ T73] inet6_addr_add+0x4f8/0xa40 [ 1426.901636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.901636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.901636][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.901636][ T73] netlink_unicast+0x449/0x710 [ 1426.901636][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.901636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.901636][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.901636][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.901636][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.901636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.901636][ T73] [ 1426.903948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.903948][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.903948][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.903948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.903948][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1426.903948][ T73] ipv6_add_addr+0x411/0x2000 [ 1426.903948][ T73] inet6_addr_add+0x30e/0xa40 [ 1426.903948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.903948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.903948][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.903948][ T73] netlink_unicast+0x449/0x710 [ 1426.903948][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.903948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.903948][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.903948][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.903948][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.903948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.903948][ T73] [ 1426.906183][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.906183][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.906183][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.906183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.906183][ T73] ip6_route_add+0x1c/0x140 [ 1426.906183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1426.906183][ T73] addrconf_add_dev+0xe2/0x170 [ 1426.906183][ T73] inet6_addr_add+0x12f/0xa40 [ 1426.906183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.906183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.906183][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.906183][ T73] netlink_unicast+0x449/0x710 [ 1426.906183][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.906183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.906183][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.906183][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.906183][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.906183][ T73] [ 1426.908389][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.908389][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1426.908389][ T73] ipv6_find_idev+0x102/0x170 [ 1426.908389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.908389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.908389][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.908389][ T73] netlink_unicast+0x449/0x710 [ 1426.908389][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.908389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.908389][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.908389][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.908389][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.908389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.908389][ T73] [ 1426.910050][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1426.910050][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1426.910050][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1426.910050][ T73] ipv6_find_idev+0x102/0x170 [ 1426.910050][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.910050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.910050][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.910050][ T73] netlink_unicast+0x449/0x710 [ 1426.910050][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.910050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.910050][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.910050][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.910050][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.910050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.910050][ T73] [ 1426.912058][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1426.912332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1426.912332][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.912332][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.912332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.912332][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1426.912332][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1426.912332][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1426.912332][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1426.912332][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1426.912332][ T73] addrconf_dad_begin+0x310/0x670 [ 1426.912332][ T73] addrconf_dad_work+0x10b/0xab0 [ 1426.912332][ T73] process_one_work+0x84d/0x18a0 [ 1426.912332][ T73] worker_thread+0x587/0xd30 [ 1426.912332][ T73] kthread+0x28a/0x350 [ 1426.912332][ T73] ret_from_fork+0x31/0x70 [ 1426.912332][ T73] ret_from_fork_asm+0x1a/0x30 [ 1426.912332][ T73] [ 1426.914496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1426.914496][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.914496][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.914496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.914496][ T73] ip6_route_add+0x1c/0x140 [ 1426.914496][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1426.914496][ T73] inet6_addr_add+0x4f8/0xa40 [ 1426.914496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.914496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.914496][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.914496][ T73] netlink_unicast+0x449/0x710 [ 1426.914496][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.914496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.914496][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.914496][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.914496][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.914496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.914496][ T73] [ 1426.916737][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1426.916737][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.916737][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.916737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.916737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1426.916737][ T73] ipv6_add_addr+0x411/0x2000 [ 1426.916737][ T73] inet6_addr_add+0x30e/0xa40 [ 1426.916737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.916737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.916737][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.916737][ T73] netlink_unicast+0x449/0x710 [ 1426.916737][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.916737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.916737][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.916737][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.916737][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.916737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.916737][ T73] [ 1426.918914][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1426.918914][ T73] netdev_get_by_index+0x5e/0x80 [ 1426.918914][ T73] fib6_nh_init+0x3d8/0x1580 [ 1426.918914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1426.918914][ T73] ip6_route_add+0x1c/0x140 [ 1426.918914][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1426.918914][ T73] addrconf_add_dev+0xe2/0x170 [ 1426.918914][ T73] inet6_addr_add+0x12f/0xa40 [ 1426.918914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.918914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.918914][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.918914][ T73] netlink_unicast+0x449/0x710 [ 1426.918914][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.918914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.918914][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.918914][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.918914][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.918914][ T73] [ 1426.921185][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1426.921185][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1426.921185][ T73] ipv6_find_idev+0x102/0x170 [ 1426.921185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.921185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.921185][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.921185][ T73] netlink_unicast+0x449/0x710 [ 1426.921185][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.921185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.921185][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.921185][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.921185][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.921185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.921185][ T73] [ 1426.922903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1426.922903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1426.922903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1426.922903][ T73] ipv6_find_idev+0x102/0x170 [ 1426.922903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.922903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.922903][ T73] netlink_rcv_skb+0x130/0x360 [ 1426.922903][ T73] netlink_unicast+0x449/0x710 [ 1426.922903][ T73] netlink_sendmsg+0x723/0xbe0 [ 1426.922903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1426.922903][ T73] ___sys_sendmsg+0xee/0x170 [ 1426.922903][ T73] __sys_sendmsg+0xcd/0x170 [ 1426.922903][ T73] do_syscall_64+0xc6/0x1e0 [ 1426.922903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.922903][ T73] [ 1437.166899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1437.167307][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.167307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1437.167307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1437.167307][ T73] fib6_nh_init+0xa22/0x1580 [ 1437.167307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.167307][ T73] ip6_route_add+0x1c/0x140 [ 1437.167307][ T73] inet6_rtm_newroute+0x104/0x110 [ 1437.167307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.167307][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.167307][ T73] netlink_unicast+0x449/0x710 [ 1437.167307][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.167307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.167307][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.167307][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.167307][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.167307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.167307][ T73] [ 1437.169250][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.169250][ T73] dst_init+0x84/0x4a0 [ 1437.169250][ T73] dst_alloc+0x97/0x150 [ 1437.169250][ T73] ip6_dst_alloc+0x23/0x90 [ 1437.169250][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1437.169250][ T73] ip6_pol_route+0x56f/0x840 [ 1437.169250][ T73] fib6_rule_lookup+0x456/0x630 [ 1437.169250][ T73] ip6_route_input+0x59c/0xa50 [ 1437.169250][ T73] ipv6_rcv+0x397/0x810 [ 1437.169250][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1437.169250][ T73] process_backlog+0x101/0x620 [ 1437.169250][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1437.169250][ T73] net_rx_action+0x495/0xbe0 [ 1437.169250][ T73] __do_softirq+0x1b5/0x7f6 [ 1437.169250][ T73] [ 1437.170918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.170918][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.170918][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.170918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.170918][ T73] ip6_route_add+0x1c/0x140 [ 1437.170918][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1437.170918][ T73] inet6_addr_add+0x4f8/0xa40 [ 1437.170918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.170918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.170918][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.170918][ T73] netlink_unicast+0x449/0x710 [ 1437.170918][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.170918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.170918][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.170918][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.170918][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.170918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.170918][ T73] [ 1437.172919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.172919][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.172919][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.172919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.172919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1437.172919][ T73] ipv6_add_addr+0x411/0x2000 [ 1437.172919][ T73] inet6_addr_add+0x30e/0xa40 [ 1437.172919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.172919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.172919][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.172919][ T73] netlink_unicast+0x449/0x710 [ 1437.172919][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.172919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.172919][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.172919][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.172919][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.172919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.172919][ T73] [ 1437.174947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.174947][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.174947][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.174947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.174947][ T73] ip6_route_add+0x1c/0x140 [ 1437.174947][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1437.174947][ T73] addrconf_add_dev+0xe2/0x170 [ 1437.174947][ T73] inet6_addr_add+0x12f/0xa40 [ 1437.174947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.174947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.174947][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.174947][ T73] netlink_unicast+0x449/0x710 [ 1437.174947][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.174947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.174947][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.174947][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.174947][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.174947][ T73] [ 1437.176917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.176917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1437.176917][ T73] ipv6_find_idev+0x102/0x170 [ 1437.176917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.176917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.176917][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.176917][ T73] netlink_unicast+0x449/0x710 [ 1437.176917][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.176917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.176917][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.176917][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.176917][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.176917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.176917][ T73] [ 1437.178462][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1437.178462][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1437.178462][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1437.178462][ T73] ipv6_find_idev+0x102/0x170 [ 1437.178462][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.178462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.178462][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.178462][ T73] netlink_unicast+0x449/0x710 [ 1437.178462][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.178462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.178462][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.178462][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.178462][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.178462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.178462][ T73] [ 1437.180196][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1437.180475][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.180475][ T73] dst_init+0x84/0x4a0 [ 1437.180475][ T73] dst_alloc+0x97/0x150 [ 1437.180475][ T73] ip6_dst_alloc+0x23/0x90 [ 1437.180475][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1437.180475][ T73] ip6_pol_route+0x56f/0x840 [ 1437.180475][ T73] fib6_rule_lookup+0x456/0x630 [ 1437.180475][ T73] ip6_route_input+0x59c/0xa50 [ 1437.180475][ T73] ipv6_rcv+0x397/0x810 [ 1437.180475][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1437.180475][ T73] process_backlog+0x101/0x620 [ 1437.180475][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1437.180475][ T73] net_rx_action+0x495/0xbe0 [ 1437.180475][ T73] __do_softirq+0x1b5/0x7f6 [ 1437.180475][ T73] [ 1437.182133][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.182133][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.182133][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.182133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.182133][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1437.182133][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1437.182133][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1437.182133][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1437.182133][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1437.182133][ T73] addrconf_dad_begin+0x310/0x670 [ 1437.182133][ T73] addrconf_dad_work+0x10b/0xab0 [ 1437.182133][ T73] process_one_work+0x84d/0x18a0 [ 1437.182133][ T73] worker_thread+0x587/0xd30 [ 1437.182133][ T73] kthread+0x28a/0x350 [ 1437.182133][ T73] ret_from_fork+0x31/0x70 [ 1437.182133][ T73] ret_from_fork_asm+0x1a/0x30 [ 1437.182133][ T73] [ 1437.184066][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.184066][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.184066][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.184066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.184066][ T73] ip6_route_add+0x1c/0x140 [ 1437.184066][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1437.184066][ T73] inet6_addr_add+0x4f8/0xa40 [ 1437.184066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.184066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.184066][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.184066][ T73] netlink_unicast+0x449/0x710 [ 1437.184066][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.184066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.184066][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.184066][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.184066][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.184066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.184066][ T73] [ 1437.186104][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.186104][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.186104][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.186104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.186104][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1437.186104][ T73] ipv6_add_addr+0x411/0x2000 [ 1437.186104][ T73] inet6_addr_add+0x30e/0xa40 [ 1437.186104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.186104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.186104][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.186104][ T73] netlink_unicast+0x449/0x710 [ 1437.186104][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.186104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.186104][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.186104][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.186104][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.186104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.186104][ T73] [ 1437.188123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.188123][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.188123][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.188123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.188123][ T73] ip6_route_add+0x1c/0x140 [ 1437.188123][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1437.188123][ T73] addrconf_add_dev+0xe2/0x170 [ 1437.188123][ T73] inet6_addr_add+0x12f/0xa40 [ 1437.188123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.188123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.188123][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.188123][ T73] netlink_unicast+0x449/0x710 [ 1437.188123][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.188123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.188123][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.188123][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.188123][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.188123][ T73] [ 1437.190088][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.190088][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1437.190088][ T73] ipv6_find_idev+0x102/0x170 [ 1437.190088][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.190088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.190088][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.190088][ T73] netlink_unicast+0x449/0x710 [ 1437.190088][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.190088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.190088][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.190088][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.190088][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.190088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.190088][ T73] [ 1437.191648][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1437.191648][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1437.191648][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1437.191648][ T73] ipv6_find_idev+0x102/0x170 [ 1437.191648][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.191648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.191648][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.191648][ T73] netlink_unicast+0x449/0x710 [ 1437.191648][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.191648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.191648][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.191648][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.191648][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.191648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.191648][ T73] [ 1437.193485][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1437.193780][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.193780][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1437.193780][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1437.193780][ T73] fib6_nh_init+0xa22/0x1580 [ 1437.193780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.193780][ T73] ip6_route_add+0x1c/0x140 [ 1437.193780][ T73] inet6_rtm_newroute+0x104/0x110 [ 1437.193780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.193780][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.193780][ T73] netlink_unicast+0x449/0x710 [ 1437.193780][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.193780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.193780][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.193780][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.193780][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.193780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.193780][ T73] [ 1437.195911][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.195911][ T73] dst_init+0x84/0x4a0 [ 1437.195911][ T73] dst_alloc+0x97/0x150 [ 1437.195911][ T73] ip6_dst_alloc+0x23/0x90 [ 1437.195911][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1437.195911][ T73] ip6_pol_route+0x56f/0x840 [ 1437.195911][ T73] fib6_rule_lookup+0x456/0x630 [ 1437.195911][ T73] ip6_route_input+0x59c/0xa50 [ 1437.195911][ T73] ipv6_rcv+0x397/0x810 [ 1437.195911][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1437.195911][ T73] process_backlog+0x101/0x620 [ 1437.195911][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1437.195911][ T73] net_rx_action+0x495/0xbe0 [ 1437.195911][ T73] __do_softirq+0x1b5/0x7f6 [ 1437.195911][ T73] [ 1437.197733][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.197733][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.197733][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.197733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.197733][ T73] ip6_route_add+0x1c/0x140 [ 1437.197733][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1437.197733][ T73] inet6_addr_add+0x4f8/0xa40 [ 1437.197733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.197733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.197733][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.197733][ T73] netlink_unicast+0x449/0x710 [ 1437.197733][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.197733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.197733][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.197733][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.197733][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.197733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.197733][ T73] [ 1437.199987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.199987][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.199987][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.199987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.199987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1437.199987][ T73] ipv6_add_addr+0x411/0x2000 [ 1437.199987][ T73] inet6_addr_add+0x30e/0xa40 [ 1437.199987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.199987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.199987][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.199987][ T73] netlink_unicast+0x449/0x710 [ 1437.199987][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.199987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.199987][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.199987][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.199987][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.199987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.199987][ T73] [ 1437.202304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.202304][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.202304][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.202304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.202304][ T73] ip6_route_add+0x1c/0x140 [ 1437.202304][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1437.202304][ T73] addrconf_add_dev+0xe2/0x170 [ 1437.202304][ T73] inet6_addr_add+0x12f/0xa40 [ 1437.202304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.202304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.202304][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.202304][ T73] netlink_unicast+0x449/0x710 [ 1437.202304][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.202304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.202304][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.202304][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.202304][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.202304][ T73] [ 1437.204531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.204531][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1437.204531][ T73] ipv6_find_idev+0x102/0x170 [ 1437.204531][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.204531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.204531][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.204531][ T73] netlink_unicast+0x449/0x710 [ 1437.204531][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.204531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.204531][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.204531][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.204531][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.204531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.204531][ T73] [ 1437.206207][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1437.206207][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1437.206207][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1437.206207][ T73] ipv6_find_idev+0x102/0x170 [ 1437.206207][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.206207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.206207][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.206207][ T73] netlink_unicast+0x449/0x710 [ 1437.206207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.206207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.206207][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.206207][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.206207][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.206207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.206207][ T73] [ 1437.208161][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1437.208437][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1437.208437][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.208437][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.208437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.208437][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1437.208437][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1437.208437][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1437.208437][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1437.208437][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1437.208437][ T73] addrconf_dad_begin+0x310/0x670 [ 1437.208437][ T73] addrconf_dad_work+0x10b/0xab0 [ 1437.208437][ T73] process_one_work+0x84d/0x18a0 [ 1437.208437][ T73] worker_thread+0x587/0xd30 [ 1437.208437][ T73] kthread+0x28a/0x350 [ 1437.208437][ T73] ret_from_fork+0x31/0x70 [ 1437.208437][ T73] ret_from_fork_asm+0x1a/0x30 [ 1437.208437][ T73] [ 1437.210596][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1437.210596][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.210596][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.210596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.210596][ T73] ip6_route_add+0x1c/0x140 [ 1437.210596][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1437.210596][ T73] inet6_addr_add+0x4f8/0xa40 [ 1437.210596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.210596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.210596][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.210596][ T73] netlink_unicast+0x449/0x710 [ 1437.210596][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.210596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.210596][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.210596][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.210596][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.210596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.210596][ T73] [ 1437.212919][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1437.212919][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.212919][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.212919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.212919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1437.212919][ T73] ipv6_add_addr+0x411/0x2000 [ 1437.212919][ T73] inet6_addr_add+0x30e/0xa40 [ 1437.212919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.212919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.212919][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.212919][ T73] netlink_unicast+0x449/0x710 [ 1437.212919][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.212919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.212919][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.212919][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.212919][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.212919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.212919][ T73] [ 1437.215119][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1437.215119][ T73] netdev_get_by_index+0x5e/0x80 [ 1437.215119][ T73] fib6_nh_init+0x3d8/0x1580 [ 1437.215119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1437.215119][ T73] ip6_route_add+0x1c/0x140 [ 1437.215119][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1437.215119][ T73] addrconf_add_dev+0xe2/0x170 [ 1437.215119][ T73] inet6_addr_add+0x12f/0xa40 [ 1437.215119][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.215119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.215119][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.215119][ T73] netlink_unicast+0x449/0x710 [ 1437.215119][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.215119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.215119][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.215119][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.215119][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.215119][ T73] [ 1437.217332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1437.217332][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1437.217332][ T73] ipv6_find_idev+0x102/0x170 [ 1437.217332][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.217332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.217332][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.217332][ T73] netlink_unicast+0x449/0x710 [ 1437.217332][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.217332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.217332][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.217332][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.217332][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.217332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.217332][ T73] [ 1437.219058][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1437.219058][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1437.219058][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1437.219058][ T73] ipv6_find_idev+0x102/0x170 [ 1437.219058][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.219058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.219058][ T73] netlink_rcv_skb+0x130/0x360 [ 1437.219058][ T73] netlink_unicast+0x449/0x710 [ 1437.219058][ T73] netlink_sendmsg+0x723/0xbe0 [ 1437.219058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1437.219058][ T73] ___sys_sendmsg+0xee/0x170 [ 1437.219058][ T73] __sys_sendmsg+0xcd/0x170 [ 1437.219058][ T73] do_syscall_64+0xc6/0x1e0 [ 1437.219058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.219058][ T73] [ 1447.302822][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1447.303223][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.303223][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1447.303223][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1447.303223][ T73] fib6_nh_init+0xa22/0x1580 [ 1447.303223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.303223][ T73] ip6_route_add+0x1c/0x140 [ 1447.303223][ T73] inet6_rtm_newroute+0x104/0x110 [ 1447.303223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.303223][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.303223][ T73] netlink_unicast+0x449/0x710 [ 1447.303223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.303223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.303223][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.303223][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.303223][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.303223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.303223][ T73] [ 1447.305138][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.305138][ T73] dst_init+0x84/0x4a0 [ 1447.305138][ T73] dst_alloc+0x97/0x150 [ 1447.305138][ T73] ip6_dst_alloc+0x23/0x90 [ 1447.305138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1447.305138][ T73] ip6_pol_route+0x56f/0x840 [ 1447.305138][ T73] fib6_rule_lookup+0x456/0x630 [ 1447.305138][ T73] ip6_route_input+0x59c/0xa50 [ 1447.305138][ T73] ipv6_rcv+0x397/0x810 [ 1447.305138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1447.305138][ T73] process_backlog+0x101/0x620 [ 1447.305138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1447.305138][ T73] net_rx_action+0x495/0xbe0 [ 1447.305138][ T73] __do_softirq+0x1b5/0x7f6 [ 1447.305138][ T73] [ 1447.306788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.306788][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.306788][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.306788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.306788][ T73] ip6_route_add+0x1c/0x140 [ 1447.306788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1447.306788][ T73] inet6_addr_add+0x4f8/0xa40 [ 1447.306788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.306788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.306788][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.306788][ T73] netlink_unicast+0x449/0x710 [ 1447.306788][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.306788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.306788][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.306788][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.306788][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.306788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.306788][ T73] [ 1447.308802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.308802][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.308802][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.308802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.308802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1447.308802][ T73] ipv6_add_addr+0x411/0x2000 [ 1447.308802][ T73] inet6_addr_add+0x30e/0xa40 [ 1447.308802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.308802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.308802][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.308802][ T73] netlink_unicast+0x449/0x710 [ 1447.308802][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.308802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.308802][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.308802][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.308802][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.308802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.308802][ T73] [ 1447.310886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.310886][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.310886][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.310886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.310886][ T73] ip6_route_add+0x1c/0x140 [ 1447.310886][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1447.310886][ T73] addrconf_add_dev+0xe2/0x170 [ 1447.310886][ T73] inet6_addr_add+0x12f/0xa40 [ 1447.310886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.310886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.310886][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.310886][ T73] netlink_unicast+0x449/0x710 [ 1447.310886][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.310886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.310886][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.310886][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.310886][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.310886][ T73] [ 1447.312864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.312864][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1447.312864][ T73] ipv6_find_idev+0x102/0x170 [ 1447.312864][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.312864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.312864][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.312864][ T73] netlink_unicast+0x449/0x710 [ 1447.312864][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.312864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.312864][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.312864][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.312864][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.312864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.312864][ T73] [ 1447.314428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1447.314428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1447.314428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1447.314428][ T73] ipv6_find_idev+0x102/0x170 [ 1447.314428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.314428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.314428][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.314428][ T73] netlink_unicast+0x449/0x710 [ 1447.314428][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.314428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.314428][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.314428][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.314428][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.314428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.314428][ T73] [ 1447.316155][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1447.316488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.316488][ T73] dst_init+0x84/0x4a0 [ 1447.316488][ T73] dst_alloc+0x97/0x150 [ 1447.316488][ T73] ip6_dst_alloc+0x23/0x90 [ 1447.316488][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1447.316488][ T73] ip6_pol_route+0x56f/0x840 [ 1447.316488][ T73] fib6_rule_lookup+0x456/0x630 [ 1447.316488][ T73] ip6_route_input+0x59c/0xa50 [ 1447.316488][ T73] ipv6_rcv+0x397/0x810 [ 1447.316488][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1447.316488][ T73] process_backlog+0x101/0x620 [ 1447.316488][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1447.316488][ T73] net_rx_action+0x495/0xbe0 [ 1447.316488][ T73] __do_softirq+0x1b5/0x7f6 [ 1447.316488][ T73] [ 1447.318251][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.318251][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.318251][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.318251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.318251][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1447.318251][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1447.318251][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1447.318251][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1447.318251][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1447.318251][ T73] addrconf_dad_begin+0x310/0x670 [ 1447.318251][ T73] addrconf_dad_work+0x10b/0xab0 [ 1447.318251][ T73] process_one_work+0x84d/0x18a0 [ 1447.318251][ T73] worker_thread+0x587/0xd30 [ 1447.318251][ T73] kthread+0x28a/0x350 [ 1447.318251][ T73] ret_from_fork+0x31/0x70 [ 1447.318251][ T73] ret_from_fork_asm+0x1a/0x30 [ 1447.318251][ T73] [ 1447.320266][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.320266][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.320266][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.320266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.320266][ T73] ip6_route_add+0x1c/0x140 [ 1447.320266][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1447.320266][ T73] inet6_addr_add+0x4f8/0xa40 [ 1447.320266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.320266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.320266][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.320266][ T73] netlink_unicast+0x449/0x710 [ 1447.320266][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.320266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.320266][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.320266][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.320266][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.320266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.320266][ T73] [ 1447.322365][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.322365][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.322365][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.322365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.322365][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1447.322365][ T73] ipv6_add_addr+0x411/0x2000 [ 1447.322365][ T73] inet6_addr_add+0x30e/0xa40 [ 1447.322365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.322365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.322365][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.322365][ T73] netlink_unicast+0x449/0x710 [ 1447.322365][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.322365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.322365][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.322365][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.322365][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.322365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.322365][ T73] [ 1447.324470][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.324470][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.324470][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.324470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.324470][ T73] ip6_route_add+0x1c/0x140 [ 1447.324470][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1447.324470][ T73] addrconf_add_dev+0xe2/0x170 [ 1447.324470][ T73] inet6_addr_add+0x12f/0xa40 [ 1447.324470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.324470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.324470][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.324470][ T73] netlink_unicast+0x449/0x710 [ 1447.324470][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.324470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.324470][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.324470][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.324470][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.324470][ T73] [ 1447.326533][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.326533][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1447.326533][ T73] ipv6_find_idev+0x102/0x170 [ 1447.326533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.326533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.326533][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.326533][ T73] netlink_unicast+0x449/0x710 [ 1447.326533][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.326533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.326533][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.326533][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.326533][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.326533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.326533][ T73] [ 1447.328141][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1447.328141][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1447.328141][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1447.328141][ T73] ipv6_find_idev+0x102/0x170 [ 1447.328141][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.328141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.328141][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.328141][ T73] netlink_unicast+0x449/0x710 [ 1447.328141][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.328141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.328141][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.328141][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.328141][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.328141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.328141][ T73] [ 1447.330002][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1447.330287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.330287][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1447.330287][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1447.330287][ T73] fib6_nh_init+0xa22/0x1580 [ 1447.330287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.330287][ T73] ip6_route_add+0x1c/0x140 [ 1447.330287][ T73] inet6_rtm_newroute+0x104/0x110 [ 1447.330287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.330287][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.330287][ T73] netlink_unicast+0x449/0x710 [ 1447.330287][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.330287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.330287][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.330287][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.330287][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.330287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.330287][ T73] [ 1447.332445][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.332445][ T73] dst_init+0x84/0x4a0 [ 1447.332445][ T73] dst_alloc+0x97/0x150 [ 1447.332445][ T73] ip6_dst_alloc+0x23/0x90 [ 1447.332445][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1447.332445][ T73] ip6_pol_route+0x56f/0x840 [ 1447.332445][ T73] fib6_rule_lookup+0x456/0x630 [ 1447.332445][ T73] ip6_route_input+0x59c/0xa50 [ 1447.332445][ T73] ipv6_rcv+0x397/0x810 [ 1447.332445][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1447.332445][ T73] process_backlog+0x101/0x620 [ 1447.332445][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1447.332445][ T73] net_rx_action+0x495/0xbe0 [ 1447.332445][ T73] __do_softirq+0x1b5/0x7f6 [ 1447.332445][ T73] [ 1447.334221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.334221][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.334221][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.334221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.334221][ T73] ip6_route_add+0x1c/0x140 [ 1447.334221][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1447.334221][ T73] inet6_addr_add+0x4f8/0xa40 [ 1447.334221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.334221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.334221][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.334221][ T73] netlink_unicast+0x449/0x710 [ 1447.334221][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.334221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.334221][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.334221][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.334221][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.334221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.334221][ T73] [ 1447.336496][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.336496][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.336496][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.336496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.336496][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1447.336496][ T73] ipv6_add_addr+0x411/0x2000 [ 1447.336496][ T73] inet6_addr_add+0x30e/0xa40 [ 1447.336496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.336496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.336496][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.336496][ T73] netlink_unicast+0x449/0x710 [ 1447.336496][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.336496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.336496][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.336496][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.336496][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.336496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.336496][ T73] [ 1447.338842][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.338842][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.338842][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.338842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.338842][ T73] ip6_route_add+0x1c/0x140 [ 1447.338842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1447.338842][ T73] addrconf_add_dev+0xe2/0x170 [ 1447.338842][ T73] inet6_addr_add+0x12f/0xa40 [ 1447.338842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.338842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.338842][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.338842][ T73] netlink_unicast+0x449/0x710 [ 1447.338842][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.338842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.338842][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.338842][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.338842][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.338842][ T73] [ 1447.341207][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.341207][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1447.341207][ T73] ipv6_find_idev+0x102/0x170 [ 1447.341207][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.341207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.341207][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.341207][ T73] netlink_unicast+0x449/0x710 [ 1447.341207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.341207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.341207][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.341207][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.341207][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.341207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.341207][ T73] [ 1447.342938][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1447.342938][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1447.342938][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1447.342938][ T73] ipv6_find_idev+0x102/0x170 [ 1447.342938][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.342938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.342938][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.342938][ T73] netlink_unicast+0x449/0x710 [ 1447.342938][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.342938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.342938][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.342938][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.342938][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.342938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.342938][ T73] [ 1447.344979][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1447.345264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1447.345264][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.345264][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.345264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.345264][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1447.345264][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1447.345264][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1447.345264][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1447.345264][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1447.345264][ T73] addrconf_dad_begin+0x310/0x670 [ 1447.345264][ T73] addrconf_dad_work+0x10b/0xab0 [ 1447.345264][ T73] process_one_work+0x84d/0x18a0 [ 1447.345264][ T73] worker_thread+0x587/0xd30 [ 1447.345264][ T73] kthread+0x28a/0x350 [ 1447.345264][ T73] ret_from_fork+0x31/0x70 [ 1447.345264][ T73] ret_from_fork_asm+0x1a/0x30 [ 1447.345264][ T73] [ 1447.347516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1447.347516][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.347516][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.347516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.347516][ T73] ip6_route_add+0x1c/0x140 [ 1447.347516][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1447.347516][ T73] inet6_addr_add+0x4f8/0xa40 [ 1447.347516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.347516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.347516][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.347516][ T73] netlink_unicast+0x449/0x710 [ 1447.347516][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.347516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.347516][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.347516][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.347516][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.347516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.347516][ T73] [ 1447.349878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1447.349878][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.349878][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.349878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.349878][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1447.349878][ T73] ipv6_add_addr+0x411/0x2000 [ 1447.349878][ T73] inet6_addr_add+0x30e/0xa40 [ 1447.349878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.349878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.349878][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.349878][ T73] netlink_unicast+0x449/0x710 [ 1447.349878][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.349878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.349878][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.349878][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.349878][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.349878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.349878][ T73] [ 1447.352238][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1447.352238][ T73] netdev_get_by_index+0x5e/0x80 [ 1447.352238][ T73] fib6_nh_init+0x3d8/0x1580 [ 1447.352238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1447.352238][ T73] ip6_route_add+0x1c/0x140 [ 1447.352238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1447.352238][ T73] addrconf_add_dev+0xe2/0x170 [ 1447.352238][ T73] inet6_addr_add+0x12f/0xa40 [ 1447.352238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.352238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.352238][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.352238][ T73] netlink_unicast+0x449/0x710 [ 1447.352238][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.352238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.352238][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.352238][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.352238][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.352238][ T73] [ 1447.354552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1447.354552][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1447.354552][ T73] ipv6_find_idev+0x102/0x170 [ 1447.354552][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.354552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.354552][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.354552][ T73] netlink_unicast+0x449/0x710 [ 1447.354552][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.354552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.354552][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.354552][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.354552][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.354552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.354552][ T73] [ 1447.356349][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1447.356349][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1447.356349][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1447.356349][ T73] ipv6_find_idev+0x102/0x170 [ 1447.356349][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.356349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.356349][ T73] netlink_rcv_skb+0x130/0x360 [ 1447.356349][ T73] netlink_unicast+0x449/0x710 [ 1447.356349][ T73] netlink_sendmsg+0x723/0xbe0 [ 1447.356349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1447.356349][ T73] ___sys_sendmsg+0xee/0x170 [ 1447.356349][ T73] __sys_sendmsg+0xcd/0x170 [ 1447.356349][ T73] do_syscall_64+0xc6/0x1e0 [ 1447.356349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.356349][ T73] [ 1457.598959][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1457.599497][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.599497][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1457.599497][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1457.599497][ T73] fib6_nh_init+0xa22/0x1580 [ 1457.599497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.599497][ T73] ip6_route_add+0x1c/0x140 [ 1457.599497][ T73] inet6_rtm_newroute+0x104/0x110 [ 1457.599497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.599497][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.599497][ T73] netlink_unicast+0x449/0x710 [ 1457.599497][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.599497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.599497][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.599497][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.599497][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.599497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.599497][ T73] [ 1457.601480][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.601480][ T73] dst_init+0x84/0x4a0 [ 1457.601480][ T73] dst_alloc+0x97/0x150 [ 1457.601480][ T73] ip6_dst_alloc+0x23/0x90 [ 1457.601480][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1457.601480][ T73] ip6_pol_route+0x56f/0x840 [ 1457.601480][ T73] fib6_rule_lookup+0x456/0x630 [ 1457.601480][ T73] ip6_route_input+0x59c/0xa50 [ 1457.601480][ T73] ipv6_rcv+0x397/0x810 [ 1457.601480][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1457.601480][ T73] process_backlog+0x101/0x620 [ 1457.601480][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1457.601480][ T73] net_rx_action+0x495/0xbe0 [ 1457.601480][ T73] __do_softirq+0x1b5/0x7f6 [ 1457.601480][ T73] [ 1457.603216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.603216][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.603216][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.603216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.603216][ T73] ip6_route_add+0x1c/0x140 [ 1457.603216][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1457.603216][ T73] inet6_addr_add+0x4f8/0xa40 [ 1457.603216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.603216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.603216][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.603216][ T73] netlink_unicast+0x449/0x710 [ 1457.603216][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.603216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.603216][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.603216][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.603216][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.603216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.603216][ T73] [ 1457.606126][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.606126][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.606126][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.606126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.606126][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1457.606126][ T73] ipv6_add_addr+0x411/0x2000 [ 1457.606126][ T73] inet6_addr_add+0x30e/0xa40 [ 1457.606126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.606126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.606126][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.606126][ T73] netlink_unicast+0x449/0x710 [ 1457.606126][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.606126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.606126][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.606126][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.606126][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.606126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.606126][ T73] [ 1457.609374][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.609374][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.609374][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.609374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.609374][ T73] ip6_route_add+0x1c/0x140 [ 1457.609374][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1457.609374][ T73] addrconf_add_dev+0xe2/0x170 [ 1457.609374][ T73] inet6_addr_add+0x12f/0xa40 [ 1457.609374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.609374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.609374][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.609374][ T73] netlink_unicast+0x449/0x710 [ 1457.609374][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.609374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.609374][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.609374][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.609374][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.609374][ T73] [ 1457.612569][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.612569][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1457.612569][ T73] ipv6_find_idev+0x102/0x170 [ 1457.612569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.612569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.612569][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.612569][ T73] netlink_unicast+0x449/0x710 [ 1457.612569][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.612569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.612569][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.612569][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.612569][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.612569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.612569][ T73] [ 1457.615080][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1457.615080][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1457.615080][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1457.615080][ T73] ipv6_find_idev+0x102/0x170 [ 1457.615080][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.615080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.615080][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.615080][ T73] netlink_unicast+0x449/0x710 [ 1457.615080][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.615080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.615080][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.615080][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.615080][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.615080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.615080][ T73] [ 1457.617844][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1457.618284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.618284][ T73] dst_init+0x84/0x4a0 [ 1457.618284][ T73] dst_alloc+0x97/0x150 [ 1457.618284][ T73] ip6_dst_alloc+0x23/0x90 [ 1457.618284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1457.618284][ T73] ip6_pol_route+0x56f/0x840 [ 1457.618284][ T73] fib6_rule_lookup+0x456/0x630 [ 1457.618284][ T73] ip6_route_input+0x59c/0xa50 [ 1457.618284][ T73] ipv6_rcv+0x397/0x810 [ 1457.618284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1457.618284][ T73] process_backlog+0x101/0x620 [ 1457.618284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1457.618284][ T73] net_rx_action+0x495/0xbe0 [ 1457.618284][ T73] __do_softirq+0x1b5/0x7f6 [ 1457.618284][ T73] [ 1457.620983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.620983][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.620983][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.620983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.620983][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1457.620983][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1457.620983][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1457.620983][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1457.620983][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1457.620983][ T73] addrconf_dad_begin+0x310/0x670 [ 1457.620983][ T73] addrconf_dad_work+0x10b/0xab0 [ 1457.620983][ T73] process_one_work+0x84d/0x18a0 [ 1457.620983][ T73] worker_thread+0x587/0xd30 [ 1457.620983][ T73] kthread+0x28a/0x350 [ 1457.620983][ T73] ret_from_fork+0x31/0x70 [ 1457.620983][ T73] ret_from_fork_asm+0x1a/0x30 [ 1457.620983][ T73] [ 1457.623662][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.623662][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.623662][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.623662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.623662][ T73] ip6_route_add+0x1c/0x140 [ 1457.623662][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1457.623662][ T73] inet6_addr_add+0x4f8/0xa40 [ 1457.623662][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.623662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.623662][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.623662][ T73] netlink_unicast+0x449/0x710 [ 1457.623662][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.623662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.623662][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.623662][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.623662][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.623662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.623662][ T73] [ 1457.625764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.625764][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.625764][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.625764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.625764][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1457.625764][ T73] ipv6_add_addr+0x411/0x2000 [ 1457.625764][ T73] inet6_addr_add+0x30e/0xa40 [ 1457.625764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.625764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.625764][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.625764][ T73] netlink_unicast+0x449/0x710 [ 1457.625764][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.625764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.625764][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.625764][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.625764][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.625764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.625764][ T73] [ 1457.627855][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.627855][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.627855][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.627855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.627855][ T73] ip6_route_add+0x1c/0x140 [ 1457.627855][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1457.627855][ T73] addrconf_add_dev+0xe2/0x170 [ 1457.627855][ T73] inet6_addr_add+0x12f/0xa40 [ 1457.627855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.627855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.627855][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.627855][ T73] netlink_unicast+0x449/0x710 [ 1457.627855][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.627855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.627855][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.627855][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.627855][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.627855][ T73] [ 1457.629908][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.629908][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1457.629908][ T73] ipv6_find_idev+0x102/0x170 [ 1457.629908][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.629908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.629908][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.629908][ T73] netlink_unicast+0x449/0x710 [ 1457.629908][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.629908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.629908][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.629908][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.629908][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.629908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.629908][ T73] [ 1457.631523][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1457.631523][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1457.631523][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1457.631523][ T73] ipv6_find_idev+0x102/0x170 [ 1457.631523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.631523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.631523][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.631523][ T73] netlink_unicast+0x449/0x710 [ 1457.631523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.631523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.631523][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.631523][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.631523][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.631523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.631523][ T73] [ 1457.633434][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1457.633731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.633731][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1457.633731][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1457.633731][ T73] fib6_nh_init+0xa22/0x1580 [ 1457.633731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.633731][ T73] ip6_route_add+0x1c/0x140 [ 1457.633731][ T73] inet6_rtm_newroute+0x104/0x110 [ 1457.633731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.633731][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.633731][ T73] netlink_unicast+0x449/0x710 [ 1457.633731][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.633731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.633731][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.633731][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.633731][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.633731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.633731][ T73] [ 1457.635950][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.635950][ T73] dst_init+0x84/0x4a0 [ 1457.635950][ T73] dst_alloc+0x97/0x150 [ 1457.635950][ T73] ip6_dst_alloc+0x23/0x90 [ 1457.635950][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1457.635950][ T73] ip6_pol_route+0x56f/0x840 [ 1457.635950][ T73] fib6_rule_lookup+0x456/0x630 [ 1457.635950][ T73] ip6_route_input+0x59c/0xa50 [ 1457.635950][ T73] ipv6_rcv+0x397/0x810 [ 1457.635950][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1457.635950][ T73] process_backlog+0x101/0x620 [ 1457.635950][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1457.635950][ T73] net_rx_action+0x495/0xbe0 [ 1457.635950][ T73] __do_softirq+0x1b5/0x7f6 [ 1457.635950][ T73] [ 1457.638354][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.638354][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.638354][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.638354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.638354][ T73] ip6_route_add+0x1c/0x140 [ 1457.638354][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1457.638354][ T73] inet6_addr_add+0x4f8/0xa40 [ 1457.638354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.638354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.638354][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.638354][ T73] netlink_unicast+0x449/0x710 [ 1457.638354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.638354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.638354][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.638354][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.638354][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.638354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.638354][ T73] [ 1457.640758][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.640758][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.640758][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.640758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.640758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1457.640758][ T73] ipv6_add_addr+0x411/0x2000 [ 1457.640758][ T73] inet6_addr_add+0x30e/0xa40 [ 1457.640758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.640758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.640758][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.640758][ T73] netlink_unicast+0x449/0x710 [ 1457.640758][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.640758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.640758][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.640758][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.640758][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.640758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.640758][ T73] [ 1457.643082][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.643082][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.643082][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.643082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.643082][ T73] ip6_route_add+0x1c/0x140 [ 1457.643082][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1457.643082][ T73] addrconf_add_dev+0xe2/0x170 [ 1457.643082][ T73] inet6_addr_add+0x12f/0xa40 [ 1457.643082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.643082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.643082][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.643082][ T73] netlink_unicast+0x449/0x710 [ 1457.643082][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.643082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.643082][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.643082][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.643082][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.643082][ T73] [ 1457.645401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.645401][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1457.645401][ T73] ipv6_find_idev+0x102/0x170 [ 1457.645401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.645401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.645401][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.645401][ T73] netlink_unicast+0x449/0x710 [ 1457.645401][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.645401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.645401][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.645401][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.645401][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.645401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.645401][ T73] [ 1457.647130][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1457.647130][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1457.647130][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1457.647130][ T73] ipv6_find_idev+0x102/0x170 [ 1457.647130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.647130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.647130][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.647130][ T73] netlink_unicast+0x449/0x710 [ 1457.647130][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.647130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.647130][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.647130][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.647130][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.647130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.647130][ T73] [ 1457.649614][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1457.650338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1457.650338][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.650338][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.650338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.650338][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1457.650338][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1457.650338][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1457.650338][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1457.650338][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1457.650338][ T73] addrconf_dad_begin+0x310/0x670 [ 1457.650338][ T73] addrconf_dad_work+0x10b/0xab0 [ 1457.650338][ T73] process_one_work+0x84d/0x18a0 [ 1457.650338][ T73] worker_thread+0x587/0xd30 [ 1457.650338][ T73] kthread+0x28a/0x350 [ 1457.650338][ T73] ret_from_fork+0x31/0x70 [ 1457.650338][ T73] ret_from_fork_asm+0x1a/0x30 [ 1457.650338][ T73] [ 1457.652338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1457.652338][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.652338][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.652338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.652338][ T73] ip6_route_add+0x1c/0x140 [ 1457.652338][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1457.652338][ T73] inet6_addr_add+0x4f8/0xa40 [ 1457.652338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.652338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.652338][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.652338][ T73] netlink_unicast+0x449/0x710 [ 1457.652338][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.652338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.652338][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.652338][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.652338][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.652338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.652338][ T73] [ 1457.654551][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1457.654551][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.654551][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.654551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.654551][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1457.654551][ T73] ipv6_add_addr+0x411/0x2000 [ 1457.654551][ T73] inet6_addr_add+0x30e/0xa40 [ 1457.654551][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.654551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.654551][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.654551][ T73] netlink_unicast+0x449/0x710 [ 1457.654551][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.654551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.654551][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.654551][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.654551][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.654551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.654551][ T73] [ 1457.656889][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1457.656889][ T73] netdev_get_by_index+0x5e/0x80 [ 1457.656889][ T73] fib6_nh_init+0x3d8/0x1580 [ 1457.656889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1457.656889][ T73] ip6_route_add+0x1c/0x140 [ 1457.656889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1457.656889][ T73] addrconf_add_dev+0xe2/0x170 [ 1457.656889][ T73] inet6_addr_add+0x12f/0xa40 [ 1457.656889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.656889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.656889][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.656889][ T73] netlink_unicast+0x449/0x710 [ 1457.656889][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.656889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.656889][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.656889][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.656889][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.656889][ T73] [ 1457.659117][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1457.659117][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1457.659117][ T73] ipv6_find_idev+0x102/0x170 [ 1457.659117][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.659117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.659117][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.659117][ T73] netlink_unicast+0x449/0x710 [ 1457.659117][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.659117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.659117][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.659117][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.659117][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.659117][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.659117][ T73] [ 1457.660905][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1457.660905][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1457.660905][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1457.660905][ T73] ipv6_find_idev+0x102/0x170 [ 1457.660905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.660905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.660905][ T73] netlink_rcv_skb+0x130/0x360 [ 1457.660905][ T73] netlink_unicast+0x449/0x710 [ 1457.660905][ T73] netlink_sendmsg+0x723/0xbe0 [ 1457.660905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1457.660905][ T73] ___sys_sendmsg+0xee/0x170 [ 1457.660905][ T73] __sys_sendmsg+0xcd/0x170 [ 1457.660905][ T73] do_syscall_64+0xc6/0x1e0 [ 1457.660905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.660905][ T73] [ 1467.902925][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1467.903425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.903425][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1467.903425][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1467.903425][ T73] fib6_nh_init+0xa22/0x1580 [ 1467.903425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.903425][ T73] ip6_route_add+0x1c/0x140 [ 1467.903425][ T73] inet6_rtm_newroute+0x104/0x110 [ 1467.903425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.903425][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.903425][ T73] netlink_unicast+0x449/0x710 [ 1467.903425][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.903425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.903425][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.903425][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.903425][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.903425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.903425][ T73] [ 1467.905960][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.905960][ T73] dst_init+0x84/0x4a0 [ 1467.905960][ T73] dst_alloc+0x97/0x150 [ 1467.905960][ T73] ip6_dst_alloc+0x23/0x90 [ 1467.905960][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1467.905960][ T73] ip6_pol_route+0x56f/0x840 [ 1467.905960][ T73] fib6_rule_lookup+0x456/0x630 [ 1467.905960][ T73] ip6_route_input+0x59c/0xa50 [ 1467.905960][ T73] ipv6_rcv+0x397/0x810 [ 1467.905960][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1467.905960][ T73] process_backlog+0x101/0x620 [ 1467.905960][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1467.905960][ T73] net_rx_action+0x495/0xbe0 [ 1467.905960][ T73] __do_softirq+0x1b5/0x7f6 [ 1467.905960][ T73] [ 1467.908160][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.908160][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.908160][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.908160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.908160][ T73] ip6_route_add+0x1c/0x140 [ 1467.908160][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1467.908160][ T73] inet6_addr_add+0x4f8/0xa40 [ 1467.908160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.908160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.908160][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.908160][ T73] netlink_unicast+0x449/0x710 [ 1467.908160][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.908160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.908160][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.908160][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.908160][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.908160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.908160][ T73] [ 1467.910828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.910828][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.910828][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.910828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.910828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1467.910828][ T73] ipv6_add_addr+0x411/0x2000 [ 1467.910828][ T73] inet6_addr_add+0x30e/0xa40 [ 1467.910828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.910828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.910828][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.910828][ T73] netlink_unicast+0x449/0x710 [ 1467.910828][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.910828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.910828][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.910828][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.910828][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.910828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.910828][ T73] [ 1467.913501][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.913501][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.913501][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.913501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.913501][ T73] ip6_route_add+0x1c/0x140 [ 1467.913501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1467.913501][ T73] addrconf_add_dev+0xe2/0x170 [ 1467.913501][ T73] inet6_addr_add+0x12f/0xa40 [ 1467.913501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.913501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.913501][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.913501][ T73] netlink_unicast+0x449/0x710 [ 1467.913501][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.913501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.913501][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.913501][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.913501][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.913501][ T73] [ 1467.916140][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.916140][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1467.916140][ T73] ipv6_find_idev+0x102/0x170 [ 1467.916140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.916140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.916140][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.916140][ T73] netlink_unicast+0x449/0x710 [ 1467.916140][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.916140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.916140][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.916140][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.916140][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.916140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.916140][ T73] [ 1467.918198][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1467.918198][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1467.918198][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1467.918198][ T73] ipv6_find_idev+0x102/0x170 [ 1467.918198][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.918198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.918198][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.918198][ T73] netlink_unicast+0x449/0x710 [ 1467.918198][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.918198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.918198][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.918198][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.918198][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.918198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.918198][ T73] [ 1467.920475][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1467.920842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.920842][ T73] dst_init+0x84/0x4a0 [ 1467.920842][ T73] dst_alloc+0x97/0x150 [ 1467.920842][ T73] ip6_dst_alloc+0x23/0x90 [ 1467.920842][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1467.920842][ T73] ip6_pol_route+0x56f/0x840 [ 1467.920842][ T73] fib6_rule_lookup+0x456/0x630 [ 1467.920842][ T73] ip6_route_input+0x59c/0xa50 [ 1467.920842][ T73] ipv6_rcv+0x397/0x810 [ 1467.920842][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1467.920842][ T73] process_backlog+0x101/0x620 [ 1467.920842][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1467.920842][ T73] net_rx_action+0x495/0xbe0 [ 1467.920842][ T73] __do_softirq+0x1b5/0x7f6 [ 1467.920842][ T73] [ 1467.923043][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.923043][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.923043][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.923043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.923043][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1467.923043][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1467.923043][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1467.923043][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1467.923043][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1467.923043][ T73] addrconf_dad_begin+0x310/0x670 [ 1467.923043][ T73] addrconf_dad_work+0x10b/0xab0 [ 1467.923043][ T73] process_one_work+0x84d/0x18a0 [ 1467.923043][ T73] worker_thread+0x587/0xd30 [ 1467.923043][ T73] kthread+0x28a/0x350 [ 1467.923043][ T73] ret_from_fork+0x31/0x70 [ 1467.923043][ T73] ret_from_fork_asm+0x1a/0x30 [ 1467.923043][ T73] [ 1467.925602][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.925602][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.925602][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.925602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.925602][ T73] ip6_route_add+0x1c/0x140 [ 1467.925602][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1467.925602][ T73] inet6_addr_add+0x4f8/0xa40 [ 1467.925602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.925602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.925602][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.925602][ T73] netlink_unicast+0x449/0x710 [ 1467.925602][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.925602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.925602][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.925602][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.925602][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.925602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.925602][ T73] [ 1467.928264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.928264][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.928264][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.928264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.928264][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1467.928264][ T73] ipv6_add_addr+0x411/0x2000 [ 1467.928264][ T73] inet6_addr_add+0x30e/0xa40 [ 1467.928264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.928264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.928264][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.928264][ T73] netlink_unicast+0x449/0x710 [ 1467.928264][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.928264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.928264][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.928264][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.928264][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.928264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.928264][ T73] [ 1467.930940][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.930940][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.930940][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.930940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.930940][ T73] ip6_route_add+0x1c/0x140 [ 1467.930940][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1467.930940][ T73] addrconf_add_dev+0xe2/0x170 [ 1467.930940][ T73] inet6_addr_add+0x12f/0xa40 [ 1467.930940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.930940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.930940][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.930940][ T73] netlink_unicast+0x449/0x710 [ 1467.930940][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.930940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.930940][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.930940][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.930940][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.930940][ T73] [ 1467.933572][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.933572][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1467.933572][ T73] ipv6_find_idev+0x102/0x170 [ 1467.933572][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.933572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.933572][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.933572][ T73] netlink_unicast+0x449/0x710 [ 1467.933572][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.933572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.933572][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.933572][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.933572][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.933572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.933572][ T73] [ 1467.935630][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1467.935630][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1467.935630][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1467.935630][ T73] ipv6_find_idev+0x102/0x170 [ 1467.935630][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.935630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.935630][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.935630][ T73] netlink_unicast+0x449/0x710 [ 1467.935630][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.935630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.935630][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.935630][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.935630][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.935630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.935630][ T73] [ 1467.937952][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1467.938317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.938317][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1467.938317][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1467.938317][ T73] fib6_nh_init+0xa22/0x1580 [ 1467.938317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.938317][ T73] ip6_route_add+0x1c/0x140 [ 1467.938317][ T73] inet6_rtm_newroute+0x104/0x110 [ 1467.938317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.938317][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.938317][ T73] netlink_unicast+0x449/0x710 [ 1467.938317][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.938317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.938317][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.938317][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.938317][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.938317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.938317][ T73] [ 1467.940512][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.940512][ T73] dst_init+0x84/0x4a0 [ 1467.940512][ T73] dst_alloc+0x97/0x150 [ 1467.940512][ T73] ip6_dst_alloc+0x23/0x90 [ 1467.940512][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1467.940512][ T73] ip6_pol_route+0x56f/0x840 [ 1467.940512][ T73] fib6_rule_lookup+0x456/0x630 [ 1467.940512][ T73] ip6_route_input+0x59c/0xa50 [ 1467.940512][ T73] ipv6_rcv+0x397/0x810 [ 1467.940512][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1467.940512][ T73] process_backlog+0x101/0x620 [ 1467.940512][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1467.940512][ T73] net_rx_action+0x495/0xbe0 [ 1467.940512][ T73] __do_softirq+0x1b5/0x7f6 [ 1467.940512][ T73] [ 1467.942346][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.942346][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.942346][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.942346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.942346][ T73] ip6_route_add+0x1c/0x140 [ 1467.942346][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1467.942346][ T73] inet6_addr_add+0x4f8/0xa40 [ 1467.942346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.942346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.942346][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.942346][ T73] netlink_unicast+0x449/0x710 [ 1467.942346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.942346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.942346][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.942346][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.942346][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.942346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.942346][ T73] [ 1467.944613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.944613][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.944613][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.944613][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.944613][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1467.944613][ T73] ipv6_add_addr+0x411/0x2000 [ 1467.944613][ T73] inet6_addr_add+0x30e/0xa40 [ 1467.944613][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.944613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.944613][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.944613][ T73] netlink_unicast+0x449/0x710 [ 1467.944613][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.944613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.944613][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.944613][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.944613][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.944613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.944613][ T73] [ 1467.946864][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.946864][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.946864][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.946864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.946864][ T73] ip6_route_add+0x1c/0x140 [ 1467.946864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1467.946864][ T73] addrconf_add_dev+0xe2/0x170 [ 1467.946864][ T73] inet6_addr_add+0x12f/0xa40 [ 1467.946864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.946864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.946864][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.946864][ T73] netlink_unicast+0x449/0x710 [ 1467.946864][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.946864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.946864][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.946864][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.946864][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.946864][ T73] [ 1467.949159][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.949159][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1467.949159][ T73] ipv6_find_idev+0x102/0x170 [ 1467.949159][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.949159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.949159][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.949159][ T73] netlink_unicast+0x449/0x710 [ 1467.949159][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.949159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.949159][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.949159][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.949159][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.949159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.949159][ T73] [ 1467.950827][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1467.950827][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1467.950827][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1467.950827][ T73] ipv6_find_idev+0x102/0x170 [ 1467.950827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.950827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.950827][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.950827][ T73] netlink_unicast+0x449/0x710 [ 1467.950827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.950827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.950827][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.950827][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.950827][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.950827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.950827][ T73] [ 1467.952789][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1467.953073][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1467.953073][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.953073][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.953073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.953073][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1467.953073][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1467.953073][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1467.953073][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1467.953073][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1467.953073][ T73] addrconf_dad_begin+0x310/0x670 [ 1467.953073][ T73] addrconf_dad_work+0x10b/0xab0 [ 1467.953073][ T73] process_one_work+0x84d/0x18a0 [ 1467.953073][ T73] worker_thread+0x587/0xd30 [ 1467.953073][ T73] kthread+0x28a/0x350 [ 1467.953073][ T73] ret_from_fork+0x31/0x70 [ 1467.953073][ T73] ret_from_fork_asm+0x1a/0x30 [ 1467.953073][ T73] [ 1467.955243][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1467.955243][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.955243][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.955243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.955243][ T73] ip6_route_add+0x1c/0x140 [ 1467.955243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1467.955243][ T73] inet6_addr_add+0x4f8/0xa40 [ 1467.955243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.955243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.955243][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.955243][ T73] netlink_unicast+0x449/0x710 [ 1467.955243][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.955243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.955243][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.955243][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.955243][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.955243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.955243][ T73] [ 1467.957504][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1467.957504][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.957504][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.957504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.957504][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1467.957504][ T73] ipv6_add_addr+0x411/0x2000 [ 1467.957504][ T73] inet6_addr_add+0x30e/0xa40 [ 1467.957504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.957504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.957504][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.957504][ T73] netlink_unicast+0x449/0x710 [ 1467.957504][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.957504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.957504][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.957504][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.957504][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.957504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.957504][ T73] [ 1467.959754][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1467.959754][ T73] netdev_get_by_index+0x5e/0x80 [ 1467.959754][ T73] fib6_nh_init+0x3d8/0x1580 [ 1467.959754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1467.959754][ T73] ip6_route_add+0x1c/0x140 [ 1467.959754][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1467.959754][ T73] addrconf_add_dev+0xe2/0x170 [ 1467.959754][ T73] inet6_addr_add+0x12f/0xa40 [ 1467.959754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.959754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.959754][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.959754][ T73] netlink_unicast+0x449/0x710 [ 1467.959754][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.959754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.959754][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.959754][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.959754][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.959754][ T73] [ 1467.962359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1467.962359][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1467.962359][ T73] ipv6_find_idev+0x102/0x170 [ 1467.962359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.962359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.962359][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.962359][ T73] netlink_unicast+0x449/0x710 [ 1467.962359][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.962359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.962359][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.962359][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.962359][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.962359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.962359][ T73] [ 1467.964483][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1467.964483][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1467.964483][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1467.964483][ T73] ipv6_find_idev+0x102/0x170 [ 1467.964483][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.964483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.964483][ T73] netlink_rcv_skb+0x130/0x360 [ 1467.964483][ T73] netlink_unicast+0x449/0x710 [ 1467.964483][ T73] netlink_sendmsg+0x723/0xbe0 [ 1467.964483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1467.964483][ T73] ___sys_sendmsg+0xee/0x170 [ 1467.964483][ T73] __sys_sendmsg+0xcd/0x170 [ 1467.964483][ T73] do_syscall_64+0xc6/0x1e0 [ 1467.964483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.964483][ T73] [ 1475.878942][ T42] INFO: task modprobe:887 blocked for more than 1228 seconds. [ 1475.879255][ T42] Not tainted 6.8.0-virtme #1 [ 1475.879407][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1475.879668][ T42] task:modprobe state:D stack:25856 pid:887 tgid:887 ppid:37 flags:0x00004002 [ 1475.879988][ T42] Call Trace: [ 1475.880101][ T42] [ 1475.880184][ T42] __schedule+0x705/0x1ac0 [ 1475.880341][ T42] ? __pfx___schedule+0x10/0x10 [ 1475.880494][ T42] ? schedule+0x1a5/0x210 [ 1475.880608][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.880759][ T42] ? mark_lock+0x38/0x3e0 [ 1475.880883][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1475.881035][ T42] ? schedule+0x1a5/0x210 [ 1475.881150][ T42] schedule+0xdf/0x210 [ 1475.881262][ T42] schedule_preempt_disabled+0x15/0x30 [ 1475.881408][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1475.881564][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1475.881750][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.881910][ T42] ? lock_acquire+0x1c1/0x220 [ 1475.882055][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1475.882208][ T42] down_write+0x1c9/0x200 [ 1475.882323][ T42] ? __pfx_down_write+0x10/0x10 [ 1475.882474][ T42] ? __lock_release+0x103/0x460 [ 1475.882619][ T42] ? __create_object+0x5e/0xb0 [ 1475.882770][ T42] ? __pfx___lock_release+0x10/0x10 [ 1475.882932][ T42] register_pernet_subsys+0x1a/0x50 [ 1475.883080][ T42] tcf_register_action+0xa3/0x600 [ 1475.883228][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1475.883419][ T42] do_one_initcall+0xc8/0x3f0 [ 1475.883580][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1475.883731][ T42] ? __create_object+0x5e/0xb0 [ 1475.883903][ T42] ? kasan_unpoison+0x27/0x60 [ 1475.884058][ T42] do_init_module+0x233/0x740 [ 1475.884214][ T42] load_module+0x16b5/0x2350 [ 1475.884377][ T42] ? __pfx_load_module+0x10/0x10 [ 1475.884523][ T42] ? kernel_read_file+0x3d2/0x520 [ 1475.884674][ T42] ? kernel_read_file+0x300/0x520 [ 1475.884830][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1475.884985][ T42] ? init_module_from_file+0xd2/0x130 [ 1475.885131][ T42] init_module_from_file+0xd2/0x130 [ 1475.885292][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1475.885474][ T42] ? __lock_release+0x103/0x460 [ 1475.885621][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.885790][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.885937][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1475.886087][ T42] idempotent_init_module+0x342/0x620 [ 1475.886240][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1475.886440][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1475.886590][ T42] do_syscall_64+0xc6/0x1e0 [ 1475.886741][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.886932][ T42] RIP: 0033:0x7f929d278e5d [ 1475.887081][ T42] RSP: 002b:00007ffe46f85498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1475.887304][ T42] RAX: ffffffffffffffda RBX: 00005601efb23c80 RCX: 00007f929d278e5d [ 1475.887521][ T42] RDX: 0000000000000000 RSI: 00005601ee432a2a RDI: 0000000000000000 [ 1475.887738][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe46f855d0 [ 1475.887973][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601ee432a2a [ 1475.888193][ T42] R13: 00005601efb23ac0 R14: 00005601efb240b0 R15: 00005601efb23cf2 [ 1475.888423][ T42] [ 1475.888533][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1475.888789][ T42] [ 1475.888789][ T42] Showing all locks held in the system: [ 1475.888998][ T42] 2 locks held by kworker/u18:0/37: [ 1475.889144][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.889441][ T42] #1: ffffc900002a7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.889766][ T42] 1 lock held by khungtaskd/42: [ 1475.889923][ T42] #0: ffffffff87f591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1475.890189][ T42] 3 locks held by kworker/u16:1/73: [ 1475.890328][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.890619][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.890886][ T42] #2: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1475.891148][ T42] 1 lock held by modprobe/887: [ 1475.891290][ T42] #0: ffffffff8876a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1475.891580][ T42] [ 1475.891653][ T42] ============================================= [ 1475.891653][ T42] [ 1478.214902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1478.215481][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.215481][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1478.215481][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1478.215481][ T73] fib6_nh_init+0xa22/0x1580 [ 1478.215481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.215481][ T73] ip6_route_add+0x1c/0x140 [ 1478.215481][ T73] inet6_rtm_newroute+0x104/0x110 [ 1478.215481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.215481][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.215481][ T73] netlink_unicast+0x449/0x710 [ 1478.215481][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.215481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.215481][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.215481][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.215481][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.215481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.215481][ T73] [ 1478.218877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.218877][ T73] dst_init+0x84/0x4a0 [ 1478.218877][ T73] dst_alloc+0x97/0x150 [ 1478.218877][ T73] ip6_dst_alloc+0x23/0x90 [ 1478.218877][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1478.218877][ T73] ip6_pol_route+0x56f/0x840 [ 1478.218877][ T73] fib6_rule_lookup+0x456/0x630 [ 1478.218877][ T73] ip6_route_input+0x59c/0xa50 [ 1478.218877][ T73] ipv6_rcv+0x397/0x810 [ 1478.218877][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1478.218877][ T73] process_backlog+0x101/0x620 [ 1478.218877][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1478.218877][ T73] net_rx_action+0x495/0xbe0 [ 1478.218877][ T73] __do_softirq+0x1b5/0x7f6 [ 1478.218877][ T73] [ 1478.221760][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.221760][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.221760][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.221760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.221760][ T73] ip6_route_add+0x1c/0x140 [ 1478.221760][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1478.221760][ T73] inet6_addr_add+0x4f8/0xa40 [ 1478.221760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.221760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.221760][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.221760][ T73] netlink_unicast+0x449/0x710 [ 1478.221760][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.221760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.221760][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.221760][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.221760][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.221760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.221760][ T73] [ 1478.225275][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.225275][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.225275][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.225275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.225275][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1478.225275][ T73] ipv6_add_addr+0x411/0x2000 [ 1478.225275][ T73] inet6_addr_add+0x30e/0xa40 [ 1478.225275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.225275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.225275][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.225275][ T73] netlink_unicast+0x449/0x710 [ 1478.225275][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.225275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.225275][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.225275][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.225275][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.225275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.225275][ T73] [ 1478.228831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.228831][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.228831][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.228831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.228831][ T73] ip6_route_add+0x1c/0x140 [ 1478.228831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1478.228831][ T73] addrconf_add_dev+0xe2/0x170 [ 1478.228831][ T73] inet6_addr_add+0x12f/0xa40 [ 1478.228831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.228831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.228831][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.228831][ T73] netlink_unicast+0x449/0x710 [ 1478.228831][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.228831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.228831][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.228831][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.228831][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.228831][ T73] [ 1478.232290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.232290][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1478.232290][ T73] ipv6_find_idev+0x102/0x170 [ 1478.232290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.232290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.232290][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.232290][ T73] netlink_unicast+0x449/0x710 [ 1478.232290][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.232290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.232290][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.232290][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.232290][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.232290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.232290][ T73] [ 1478.235011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1478.235011][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1478.235011][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1478.235011][ T73] ipv6_find_idev+0x102/0x170 [ 1478.235011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.235011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.235011][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.235011][ T73] netlink_unicast+0x449/0x710 [ 1478.235011][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.235011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.235011][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.235011][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.235011][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.235011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.235011][ T73] [ 1478.237990][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1478.238451][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.238451][ T73] dst_init+0x84/0x4a0 [ 1478.238451][ T73] dst_alloc+0x97/0x150 [ 1478.238451][ T73] ip6_dst_alloc+0x23/0x90 [ 1478.238451][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1478.238451][ T73] ip6_pol_route+0x56f/0x840 [ 1478.238451][ T73] fib6_rule_lookup+0x456/0x630 [ 1478.238451][ T73] ip6_route_input+0x59c/0xa50 [ 1478.238451][ T73] ipv6_rcv+0x397/0x810 [ 1478.238451][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1478.238451][ T73] process_backlog+0x101/0x620 [ 1478.238451][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1478.238451][ T73] net_rx_action+0x495/0xbe0 [ 1478.238451][ T73] __do_softirq+0x1b5/0x7f6 [ 1478.238451][ T73] [ 1478.241343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.241343][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.241343][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.241343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.241343][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1478.241343][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1478.241343][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1478.241343][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1478.241343][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1478.241343][ T73] addrconf_dad_begin+0x310/0x670 [ 1478.241343][ T73] addrconf_dad_work+0x10b/0xab0 [ 1478.241343][ T73] process_one_work+0x84d/0x18a0 [ 1478.241343][ T73] worker_thread+0x587/0xd30 [ 1478.241343][ T73] kthread+0x28a/0x350 [ 1478.241343][ T73] ret_from_fork+0x31/0x70 [ 1478.241343][ T73] ret_from_fork_asm+0x1a/0x30 [ 1478.241343][ T73] [ 1478.244512][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.244512][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.244512][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.244512][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.244512][ T73] ip6_route_add+0x1c/0x140 [ 1478.244512][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1478.244512][ T73] inet6_addr_add+0x4f8/0xa40 [ 1478.244512][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.244512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.244512][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.244512][ T73] netlink_unicast+0x449/0x710 [ 1478.244512][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.244512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.244512][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.244512][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.244512][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.244512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.244512][ T73] [ 1478.247810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.247810][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.247810][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.247810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.247810][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1478.247810][ T73] ipv6_add_addr+0x411/0x2000 [ 1478.247810][ T73] inet6_addr_add+0x30e/0xa40 [ 1478.247810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.247810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.247810][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.247810][ T73] netlink_unicast+0x449/0x710 [ 1478.247810][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.247810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.247810][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.247810][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.247810][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.247810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.247810][ T73] [ 1478.251282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.251282][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.251282][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.251282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.251282][ T73] ip6_route_add+0x1c/0x140 [ 1478.251282][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1478.251282][ T73] addrconf_add_dev+0xe2/0x170 [ 1478.251282][ T73] inet6_addr_add+0x12f/0xa40 [ 1478.251282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.251282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.251282][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.251282][ T73] netlink_unicast+0x449/0x710 [ 1478.251282][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.251282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.251282][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.251282][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.251282][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.251282][ T73] [ 1478.254736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.254736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1478.254736][ T73] ipv6_find_idev+0x102/0x170 [ 1478.254736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.254736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.254736][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.254736][ T73] netlink_unicast+0x449/0x710 [ 1478.254736][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.254736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.254736][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.254736][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.254736][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.254736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.254736][ T73] [ 1478.257443][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1478.257443][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1478.257443][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1478.257443][ T73] ipv6_find_idev+0x102/0x170 [ 1478.257443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.257443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.257443][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.257443][ T73] netlink_unicast+0x449/0x710 [ 1478.257443][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.257443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.257443][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.257443][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.257443][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.257443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.257443][ T73] [ 1478.260385][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1478.260810][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.260810][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1478.260810][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1478.260810][ T73] fib6_nh_init+0xa22/0x1580 [ 1478.260810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.260810][ T73] ip6_route_add+0x1c/0x140 [ 1478.260810][ T73] inet6_rtm_newroute+0x104/0x110 [ 1478.260810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.260810][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.260810][ T73] netlink_unicast+0x449/0x710 [ 1478.260810][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.260810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.260810][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.260810][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.260810][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.260810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.260810][ T73] [ 1478.264171][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.264171][ T73] dst_init+0x84/0x4a0 [ 1478.264171][ T73] dst_alloc+0x97/0x150 [ 1478.264171][ T73] ip6_dst_alloc+0x23/0x90 [ 1478.264171][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1478.264171][ T73] ip6_pol_route+0x56f/0x840 [ 1478.264171][ T73] fib6_rule_lookup+0x456/0x630 [ 1478.264171][ T73] ip6_route_input+0x59c/0xa50 [ 1478.264171][ T73] ipv6_rcv+0x397/0x810 [ 1478.264171][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1478.264171][ T73] process_backlog+0x101/0x620 [ 1478.264171][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1478.264171][ T73] net_rx_action+0x495/0xbe0 [ 1478.264171][ T73] __do_softirq+0x1b5/0x7f6 [ 1478.264171][ T73] [ 1478.267080][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.267080][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.267080][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.267080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.267080][ T73] ip6_route_add+0x1c/0x140 [ 1478.267080][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1478.267080][ T73] inet6_addr_add+0x4f8/0xa40 [ 1478.267080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.267080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.267080][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.267080][ T73] netlink_unicast+0x449/0x710 [ 1478.267080][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.267080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.267080][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.267080][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.267080][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.267080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.267080][ T73] [ 1478.270773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.270773][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.270773][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.270773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.270773][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1478.270773][ T73] ipv6_add_addr+0x411/0x2000 [ 1478.270773][ T73] inet6_addr_add+0x30e/0xa40 [ 1478.270773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.270773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.270773][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.270773][ T73] netlink_unicast+0x449/0x710 [ 1478.270773][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.270773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.270773][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.270773][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.270773][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.270773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.270773][ T73] [ 1478.274083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.274083][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.274083][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.274083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.274083][ T73] ip6_route_add+0x1c/0x140 [ 1478.274083][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1478.274083][ T73] addrconf_add_dev+0xe2/0x170 [ 1478.274083][ T73] inet6_addr_add+0x12f/0xa40 [ 1478.274083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.274083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.274083][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.274083][ T73] netlink_unicast+0x449/0x710 [ 1478.274083][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.274083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.274083][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.274083][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.274083][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.274083][ T73] [ 1478.276293][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.276293][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1478.276293][ T73] ipv6_find_idev+0x102/0x170 [ 1478.276293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.276293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.276293][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.276293][ T73] netlink_unicast+0x449/0x710 [ 1478.276293][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.276293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.276293][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.276293][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.276293][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.276293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.276293][ T73] [ 1478.277941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1478.277941][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1478.277941][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1478.277941][ T73] ipv6_find_idev+0x102/0x170 [ 1478.277941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.277941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.277941][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.277941][ T73] netlink_unicast+0x449/0x710 [ 1478.277941][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.277941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.277941][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.277941][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.277941][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.277941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.277941][ T73] [ 1478.279882][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1478.280160][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1478.280160][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.280160][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.280160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.280160][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1478.280160][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1478.280160][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1478.280160][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1478.280160][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1478.280160][ T73] addrconf_dad_begin+0x310/0x670 [ 1478.280160][ T73] addrconf_dad_work+0x10b/0xab0 [ 1478.280160][ T73] process_one_work+0x84d/0x18a0 [ 1478.280160][ T73] worker_thread+0x587/0xd30 [ 1478.280160][ T73] kthread+0x28a/0x350 [ 1478.280160][ T73] ret_from_fork+0x31/0x70 [ 1478.280160][ T73] ret_from_fork_asm+0x1a/0x30 [ 1478.280160][ T73] [ 1478.282684][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1478.282684][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.282684][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.282684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.282684][ T73] ip6_route_add+0x1c/0x140 [ 1478.282684][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1478.282684][ T73] inet6_addr_add+0x4f8/0xa40 [ 1478.282684][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.282684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.282684][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.282684][ T73] netlink_unicast+0x449/0x710 [ 1478.282684][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.282684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.282684][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.282684][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.282684][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.282684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.282684][ T73] [ 1478.285308][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1478.285308][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.285308][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.285308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.285308][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1478.285308][ T73] ipv6_add_addr+0x411/0x2000 [ 1478.285308][ T73] inet6_addr_add+0x30e/0xa40 [ 1478.285308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.285308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.285308][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.285308][ T73] netlink_unicast+0x449/0x710 [ 1478.285308][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.285308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.285308][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.285308][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.285308][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.285308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.285308][ T73] [ 1478.287856][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1478.287856][ T73] netdev_get_by_index+0x5e/0x80 [ 1478.287856][ T73] fib6_nh_init+0x3d8/0x1580 [ 1478.287856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1478.287856][ T73] ip6_route_add+0x1c/0x140 [ 1478.287856][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1478.287856][ T73] addrconf_add_dev+0xe2/0x170 [ 1478.287856][ T73] inet6_addr_add+0x12f/0xa40 [ 1478.287856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.287856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.287856][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.287856][ T73] netlink_unicast+0x449/0x710 [ 1478.287856][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.287856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.287856][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.287856][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.287856][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.287856][ T73] [ 1478.290431][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1478.290431][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1478.290431][ T73] ipv6_find_idev+0x102/0x170 [ 1478.290431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.290431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.290431][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.290431][ T73] netlink_unicast+0x449/0x710 [ 1478.290431][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.290431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.290431][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.290431][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.290431][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.290431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.290431][ T73] [ 1478.292508][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1478.292508][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1478.292508][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1478.292508][ T73] ipv6_find_idev+0x102/0x170 [ 1478.292508][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.292508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.292508][ T73] netlink_rcv_skb+0x130/0x360 [ 1478.292508][ T73] netlink_unicast+0x449/0x710 [ 1478.292508][ T73] netlink_sendmsg+0x723/0xbe0 [ 1478.292508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1478.292508][ T73] ___sys_sendmsg+0xee/0x170 [ 1478.292508][ T73] __sys_sendmsg+0xcd/0x170 [ 1478.292508][ T73] do_syscall_64+0xc6/0x1e0 [ 1478.292508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.292508][ T73] [ 1488.502859][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1488.503273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.503273][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1488.503273][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1488.503273][ T73] fib6_nh_init+0xa22/0x1580 [ 1488.503273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.503273][ T73] ip6_route_add+0x1c/0x140 [ 1488.503273][ T73] inet6_rtm_newroute+0x104/0x110 [ 1488.503273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.503273][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.503273][ T73] netlink_unicast+0x449/0x710 [ 1488.503273][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.503273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.503273][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.503273][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.503273][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.503273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.503273][ T73] [ 1488.505280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.505280][ T73] dst_init+0x84/0x4a0 [ 1488.505280][ T73] dst_alloc+0x97/0x150 [ 1488.505280][ T73] ip6_dst_alloc+0x23/0x90 [ 1488.505280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1488.505280][ T73] ip6_pol_route+0x56f/0x840 [ 1488.505280][ T73] fib6_rule_lookup+0x456/0x630 [ 1488.505280][ T73] ip6_route_input+0x59c/0xa50 [ 1488.505280][ T73] ipv6_rcv+0x397/0x810 [ 1488.505280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1488.505280][ T73] process_backlog+0x101/0x620 [ 1488.505280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1488.505280][ T73] net_rx_action+0x495/0xbe0 [ 1488.505280][ T73] __do_softirq+0x1b5/0x7f6 [ 1488.505280][ T73] [ 1488.507026][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.507026][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.507026][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.507026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.507026][ T73] ip6_route_add+0x1c/0x140 [ 1488.507026][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1488.507026][ T73] inet6_addr_add+0x4f8/0xa40 [ 1488.507026][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.507026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.507026][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.507026][ T73] netlink_unicast+0x449/0x710 [ 1488.507026][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.507026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.507026][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.507026][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.507026][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.507026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.507026][ T73] [ 1488.509121][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.509121][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.509121][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.509121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.509121][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1488.509121][ T73] ipv6_add_addr+0x411/0x2000 [ 1488.509121][ T73] inet6_addr_add+0x30e/0xa40 [ 1488.509121][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.509121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.509121][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.509121][ T73] netlink_unicast+0x449/0x710 [ 1488.509121][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.509121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.509121][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.509121][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.509121][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.509121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.509121][ T73] [ 1488.511229][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.511229][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.511229][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.511229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.511229][ T73] ip6_route_add+0x1c/0x140 [ 1488.511229][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1488.511229][ T73] addrconf_add_dev+0xe2/0x170 [ 1488.511229][ T73] inet6_addr_add+0x12f/0xa40 [ 1488.511229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.511229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.511229][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.511229][ T73] netlink_unicast+0x449/0x710 [ 1488.511229][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.511229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.511229][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.511229][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.511229][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.511229][ T73] [ 1488.513295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.513295][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1488.513295][ T73] ipv6_find_idev+0x102/0x170 [ 1488.513295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.513295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.513295][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.513295][ T73] netlink_unicast+0x449/0x710 [ 1488.513295][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.513295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.513295][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.513295][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.513295][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.513295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.513295][ T73] [ 1488.514938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1488.514938][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1488.514938][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1488.514938][ T73] ipv6_find_idev+0x102/0x170 [ 1488.514938][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.514938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.514938][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.514938][ T73] netlink_unicast+0x449/0x710 [ 1488.514938][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.514938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.514938][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.514938][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.514938][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.514938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.514938][ T73] [ 1488.516705][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1488.517015][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.517015][ T73] dst_init+0x84/0x4a0 [ 1488.517015][ T73] dst_alloc+0x97/0x150 [ 1488.517015][ T73] ip6_dst_alloc+0x23/0x90 [ 1488.517015][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1488.517015][ T73] ip6_pol_route+0x56f/0x840 [ 1488.517015][ T73] fib6_rule_lookup+0x456/0x630 [ 1488.517015][ T73] ip6_route_input+0x59c/0xa50 [ 1488.517015][ T73] ipv6_rcv+0x397/0x810 [ 1488.517015][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1488.517015][ T73] process_backlog+0x101/0x620 [ 1488.517015][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1488.517015][ T73] net_rx_action+0x495/0xbe0 [ 1488.517015][ T73] __do_softirq+0x1b5/0x7f6 [ 1488.517015][ T73] [ 1488.518731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.518731][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.518731][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.518731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.518731][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1488.518731][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1488.518731][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1488.518731][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1488.518731][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1488.518731][ T73] addrconf_dad_begin+0x310/0x670 [ 1488.518731][ T73] addrconf_dad_work+0x10b/0xab0 [ 1488.518731][ T73] process_one_work+0x84d/0x18a0 [ 1488.518731][ T73] worker_thread+0x587/0xd30 [ 1488.518731][ T73] kthread+0x28a/0x350 [ 1488.518731][ T73] ret_from_fork+0x31/0x70 [ 1488.518731][ T73] ret_from_fork_asm+0x1a/0x30 [ 1488.518731][ T73] [ 1488.520743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.520743][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.520743][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.520743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.520743][ T73] ip6_route_add+0x1c/0x140 [ 1488.520743][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1488.520743][ T73] inet6_addr_add+0x4f8/0xa40 [ 1488.520743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.520743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.520743][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.520743][ T73] netlink_unicast+0x449/0x710 [ 1488.520743][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.520743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.520743][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.520743][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.520743][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.520743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.520743][ T73] [ 1488.522845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.522845][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.522845][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.522845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.522845][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1488.522845][ T73] ipv6_add_addr+0x411/0x2000 [ 1488.522845][ T73] inet6_addr_add+0x30e/0xa40 [ 1488.522845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.522845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.522845][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.522845][ T73] netlink_unicast+0x449/0x710 [ 1488.522845][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.522845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.522845][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.522845][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.522845][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.522845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.522845][ T73] [ 1488.524995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.524995][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.524995][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.524995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.524995][ T73] ip6_route_add+0x1c/0x140 [ 1488.524995][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1488.524995][ T73] addrconf_add_dev+0xe2/0x170 [ 1488.524995][ T73] inet6_addr_add+0x12f/0xa40 [ 1488.524995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.524995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.524995][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.524995][ T73] netlink_unicast+0x449/0x710 [ 1488.524995][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.524995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.524995][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.524995][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.524995][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.524995][ T73] [ 1488.527074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.527074][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1488.527074][ T73] ipv6_find_idev+0x102/0x170 [ 1488.527074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.527074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.527074][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.527074][ T73] netlink_unicast+0x449/0x710 [ 1488.527074][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.527074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.527074][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.527074][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.527074][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.527074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.527074][ T73] [ 1488.528686][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1488.528686][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1488.528686][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1488.528686][ T73] ipv6_find_idev+0x102/0x170 [ 1488.528686][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.528686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.528686][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.528686][ T73] netlink_unicast+0x449/0x710 [ 1488.528686][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.528686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.528686][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.528686][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.528686][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.528686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.528686][ T73] [ 1488.530521][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1488.530806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.530806][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1488.530806][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1488.530806][ T73] fib6_nh_init+0xa22/0x1580 [ 1488.530806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.530806][ T73] ip6_route_add+0x1c/0x140 [ 1488.530806][ T73] inet6_rtm_newroute+0x104/0x110 [ 1488.530806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.530806][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.530806][ T73] netlink_unicast+0x449/0x710 [ 1488.530806][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.530806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.530806][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.530806][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.530806][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.530806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.530806][ T73] [ 1488.533128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.533128][ T73] dst_init+0x84/0x4a0 [ 1488.533128][ T73] dst_alloc+0x97/0x150 [ 1488.533128][ T73] ip6_dst_alloc+0x23/0x90 [ 1488.533128][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1488.533128][ T73] ip6_pol_route+0x56f/0x840 [ 1488.533128][ T73] fib6_rule_lookup+0x456/0x630 [ 1488.533128][ T73] ip6_route_input+0x59c/0xa50 [ 1488.533128][ T73] ipv6_rcv+0x397/0x810 [ 1488.533128][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1488.533128][ T73] process_backlog+0x101/0x620 [ 1488.533128][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1488.533128][ T73] net_rx_action+0x495/0xbe0 [ 1488.533128][ T73] __do_softirq+0x1b5/0x7f6 [ 1488.533128][ T73] [ 1488.535045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.535045][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.535045][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.535045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.535045][ T73] ip6_route_add+0x1c/0x140 [ 1488.535045][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1488.535045][ T73] inet6_addr_add+0x4f8/0xa40 [ 1488.535045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.535045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.535045][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.535045][ T73] netlink_unicast+0x449/0x710 [ 1488.535045][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.535045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.535045][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.535045][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.535045][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.535045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.535045][ T73] [ 1488.537386][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.537386][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.537386][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.537386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.537386][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1488.537386][ T73] ipv6_add_addr+0x411/0x2000 [ 1488.537386][ T73] inet6_addr_add+0x30e/0xa40 [ 1488.537386][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.537386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.537386][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.537386][ T73] netlink_unicast+0x449/0x710 [ 1488.537386][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.537386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.537386][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.537386][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.537386][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.537386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.537386][ T73] [ 1488.539740][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.539740][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.539740][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.539740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.539740][ T73] ip6_route_add+0x1c/0x140 [ 1488.539740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1488.539740][ T73] addrconf_add_dev+0xe2/0x170 [ 1488.539740][ T73] inet6_addr_add+0x12f/0xa40 [ 1488.539740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.539740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.539740][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.539740][ T73] netlink_unicast+0x449/0x710 [ 1488.539740][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.539740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.539740][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.539740][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.539740][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.539740][ T73] [ 1488.542639][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.542639][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1488.542639][ T73] ipv6_find_idev+0x102/0x170 [ 1488.542639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.542639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.542639][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.542639][ T73] netlink_unicast+0x449/0x710 [ 1488.542639][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.542639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.542639][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.542639][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.542639][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.542639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.542639][ T73] [ 1488.544401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1488.544401][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1488.544401][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1488.544401][ T73] ipv6_find_idev+0x102/0x170 [ 1488.544401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.544401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.544401][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.544401][ T73] netlink_unicast+0x449/0x710 [ 1488.544401][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.544401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.544401][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.544401][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.544401][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.544401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.544401][ T73] [ 1488.546411][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1488.546696][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1488.546696][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.546696][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.546696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.546696][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1488.546696][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1488.546696][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1488.546696][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1488.546696][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1488.546696][ T73] addrconf_dad_begin+0x310/0x670 [ 1488.546696][ T73] addrconf_dad_work+0x10b/0xab0 [ 1488.546696][ T73] process_one_work+0x84d/0x18a0 [ 1488.546696][ T73] worker_thread+0x587/0xd30 [ 1488.546696][ T73] kthread+0x28a/0x350 [ 1488.546696][ T73] ret_from_fork+0x31/0x70 [ 1488.546696][ T73] ret_from_fork_asm+0x1a/0x30 [ 1488.546696][ T73] [ 1488.548975][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1488.548975][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.548975][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.548975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.548975][ T73] ip6_route_add+0x1c/0x140 [ 1488.548975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1488.548975][ T73] inet6_addr_add+0x4f8/0xa40 [ 1488.548975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.548975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.548975][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.548975][ T73] netlink_unicast+0x449/0x710 [ 1488.548975][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.548975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.548975][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.548975][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.548975][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.548975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.548975][ T73] [ 1488.551386][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1488.551386][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.551386][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.551386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.551386][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1488.551386][ T73] ipv6_add_addr+0x411/0x2000 [ 1488.551386][ T73] inet6_addr_add+0x30e/0xa40 [ 1488.551386][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.551386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.551386][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.551386][ T73] netlink_unicast+0x449/0x710 [ 1488.551386][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.551386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.551386][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.551386][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.551386][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.551386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.551386][ T73] [ 1488.553679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1488.553679][ T73] netdev_get_by_index+0x5e/0x80 [ 1488.553679][ T73] fib6_nh_init+0x3d8/0x1580 [ 1488.553679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1488.553679][ T73] ip6_route_add+0x1c/0x140 [ 1488.553679][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1488.553679][ T73] addrconf_add_dev+0xe2/0x170 [ 1488.553679][ T73] inet6_addr_add+0x12f/0xa40 [ 1488.553679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.553679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.553679][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.553679][ T73] netlink_unicast+0x449/0x710 [ 1488.553679][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.553679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.553679][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.553679][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.553679][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.553679][ T73] [ 1488.556014][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1488.556014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1488.556014][ T73] ipv6_find_idev+0x102/0x170 [ 1488.556014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.556014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.556014][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.556014][ T73] netlink_unicast+0x449/0x710 [ 1488.556014][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.556014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.556014][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.556014][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.556014][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.556014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.556014][ T73] [ 1488.557821][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1488.557821][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1488.557821][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1488.557821][ T73] ipv6_find_idev+0x102/0x170 [ 1488.557821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.557821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.557821][ T73] netlink_rcv_skb+0x130/0x360 [ 1488.557821][ T73] netlink_unicast+0x449/0x710 [ 1488.557821][ T73] netlink_sendmsg+0x723/0xbe0 [ 1488.557821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1488.557821][ T73] ___sys_sendmsg+0xee/0x170 [ 1488.557821][ T73] __sys_sendmsg+0xcd/0x170 [ 1488.557821][ T73] do_syscall_64+0xc6/0x1e0 [ 1488.557821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.557821][ T73] [ 1498.574990][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1498.575422][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.575422][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1498.575422][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1498.575422][ T73] fib6_nh_init+0xa22/0x1580 [ 1498.575422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.575422][ T73] ip6_route_add+0x1c/0x140 [ 1498.575422][ T73] inet6_rtm_newroute+0x104/0x110 [ 1498.575422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.575422][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.575422][ T73] netlink_unicast+0x449/0x710 [ 1498.575422][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.575422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.575422][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.575422][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.575422][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.575422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.575422][ T73] [ 1498.577402][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.577402][ T73] dst_init+0x84/0x4a0 [ 1498.577402][ T73] dst_alloc+0x97/0x150 [ 1498.577402][ T73] ip6_dst_alloc+0x23/0x90 [ 1498.577402][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1498.577402][ T73] ip6_pol_route+0x56f/0x840 [ 1498.577402][ T73] fib6_rule_lookup+0x456/0x630 [ 1498.577402][ T73] ip6_route_input+0x59c/0xa50 [ 1498.577402][ T73] ipv6_rcv+0x397/0x810 [ 1498.577402][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1498.577402][ T73] process_backlog+0x101/0x620 [ 1498.577402][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1498.577402][ T73] net_rx_action+0x495/0xbe0 [ 1498.577402][ T73] __do_softirq+0x1b5/0x7f6 [ 1498.577402][ T73] [ 1498.579116][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.579116][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.579116][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.579116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.579116][ T73] ip6_route_add+0x1c/0x140 [ 1498.579116][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1498.579116][ T73] inet6_addr_add+0x4f8/0xa40 [ 1498.579116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.579116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.579116][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.579116][ T73] netlink_unicast+0x449/0x710 [ 1498.579116][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.579116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.579116][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.579116][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.579116][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.579116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.579116][ T73] [ 1498.581206][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.581206][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.581206][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.581206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.581206][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1498.581206][ T73] ipv6_add_addr+0x411/0x2000 [ 1498.581206][ T73] inet6_addr_add+0x30e/0xa40 [ 1498.581206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.581206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.581206][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.581206][ T73] netlink_unicast+0x449/0x710 [ 1498.581206][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.581206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.581206][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.581206][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.581206][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.581206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.581206][ T73] [ 1498.583290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.583290][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.583290][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.583290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.583290][ T73] ip6_route_add+0x1c/0x140 [ 1498.583290][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1498.583290][ T73] addrconf_add_dev+0xe2/0x170 [ 1498.583290][ T73] inet6_addr_add+0x12f/0xa40 [ 1498.583290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.583290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.583290][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.583290][ T73] netlink_unicast+0x449/0x710 [ 1498.583290][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.583290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.583290][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.583290][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.583290][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.583290][ T73] [ 1498.585352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.585352][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1498.585352][ T73] ipv6_find_idev+0x102/0x170 [ 1498.585352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.585352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.585352][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.585352][ T73] netlink_unicast+0x449/0x710 [ 1498.585352][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.585352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.585352][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.585352][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.585352][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.585352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.585352][ T73] [ 1498.586957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1498.586957][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1498.586957][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1498.586957][ T73] ipv6_find_idev+0x102/0x170 [ 1498.586957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.586957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.586957][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.586957][ T73] netlink_unicast+0x449/0x710 [ 1498.586957][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.586957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.586957][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.586957][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.586957][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.586957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.586957][ T73] [ 1498.588712][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1498.589005][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.589005][ T73] dst_init+0x84/0x4a0 [ 1498.589005][ T73] dst_alloc+0x97/0x150 [ 1498.589005][ T73] ip6_dst_alloc+0x23/0x90 [ 1498.589005][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1498.589005][ T73] ip6_pol_route+0x56f/0x840 [ 1498.589005][ T73] fib6_rule_lookup+0x456/0x630 [ 1498.589005][ T73] ip6_route_input+0x59c/0xa50 [ 1498.589005][ T73] ipv6_rcv+0x397/0x810 [ 1498.589005][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1498.589005][ T73] process_backlog+0x101/0x620 [ 1498.589005][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1498.589005][ T73] net_rx_action+0x495/0xbe0 [ 1498.589005][ T73] __do_softirq+0x1b5/0x7f6 [ 1498.589005][ T73] [ 1498.590708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.590708][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.590708][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.590708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.590708][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1498.590708][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1498.590708][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1498.590708][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1498.590708][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1498.590708][ T73] addrconf_dad_begin+0x310/0x670 [ 1498.590708][ T73] addrconf_dad_work+0x10b/0xab0 [ 1498.590708][ T73] process_one_work+0x84d/0x18a0 [ 1498.590708][ T73] worker_thread+0x587/0xd30 [ 1498.590708][ T73] kthread+0x28a/0x350 [ 1498.590708][ T73] ret_from_fork+0x31/0x70 [ 1498.590708][ T73] ret_from_fork_asm+0x1a/0x30 [ 1498.590708][ T73] [ 1498.592703][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.592703][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.592703][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.592703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.592703][ T73] ip6_route_add+0x1c/0x140 [ 1498.592703][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1498.592703][ T73] inet6_addr_add+0x4f8/0xa40 [ 1498.592703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.592703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.592703][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.592703][ T73] netlink_unicast+0x449/0x710 [ 1498.592703][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.592703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.592703][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.592703][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.592703][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.592703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.592703][ T73] [ 1498.594794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.594794][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.594794][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.594794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.594794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1498.594794][ T73] ipv6_add_addr+0x411/0x2000 [ 1498.594794][ T73] inet6_addr_add+0x30e/0xa40 [ 1498.594794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.594794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.594794][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.594794][ T73] netlink_unicast+0x449/0x710 [ 1498.594794][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.594794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.594794][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.594794][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.594794][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.594794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.594794][ T73] [ 1498.596873][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.596873][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.596873][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.596873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.596873][ T73] ip6_route_add+0x1c/0x140 [ 1498.596873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1498.596873][ T73] addrconf_add_dev+0xe2/0x170 [ 1498.596873][ T73] inet6_addr_add+0x12f/0xa40 [ 1498.596873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.596873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.596873][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.596873][ T73] netlink_unicast+0x449/0x710 [ 1498.596873][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.596873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.596873][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.596873][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.596873][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.596873][ T73] [ 1498.598915][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.598915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1498.598915][ T73] ipv6_find_idev+0x102/0x170 [ 1498.598915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.598915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.598915][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.598915][ T73] netlink_unicast+0x449/0x710 [ 1498.598915][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.598915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.598915][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.598915][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.598915][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.598915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.598915][ T73] [ 1498.600520][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1498.600520][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1498.600520][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1498.600520][ T73] ipv6_find_idev+0x102/0x170 [ 1498.600520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.600520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.600520][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.600520][ T73] netlink_unicast+0x449/0x710 [ 1498.600520][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.600520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.600520][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.600520][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.600520][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.600520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.600520][ T73] [ 1498.602402][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1498.602679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.602679][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1498.602679][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1498.602679][ T73] fib6_nh_init+0xa22/0x1580 [ 1498.602679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.602679][ T73] ip6_route_add+0x1c/0x140 [ 1498.602679][ T73] inet6_rtm_newroute+0x104/0x110 [ 1498.602679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.602679][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.602679][ T73] netlink_unicast+0x449/0x710 [ 1498.602679][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.602679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.602679][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.602679][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.602679][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.602679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.602679][ T73] [ 1498.604910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.604910][ T73] dst_init+0x84/0x4a0 [ 1498.604910][ T73] dst_alloc+0x97/0x150 [ 1498.604910][ T73] ip6_dst_alloc+0x23/0x90 [ 1498.604910][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1498.604910][ T73] ip6_pol_route+0x56f/0x840 [ 1498.604910][ T73] fib6_rule_lookup+0x456/0x630 [ 1498.604910][ T73] ip6_route_input+0x59c/0xa50 [ 1498.604910][ T73] ipv6_rcv+0x397/0x810 [ 1498.604910][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1498.604910][ T73] process_backlog+0x101/0x620 [ 1498.604910][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1498.604910][ T73] net_rx_action+0x495/0xbe0 [ 1498.604910][ T73] __do_softirq+0x1b5/0x7f6 [ 1498.604910][ T73] [ 1498.606784][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.606784][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.606784][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.606784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.606784][ T73] ip6_route_add+0x1c/0x140 [ 1498.606784][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1498.606784][ T73] inet6_addr_add+0x4f8/0xa40 [ 1498.606784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.606784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.606784][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.606784][ T73] netlink_unicast+0x449/0x710 [ 1498.606784][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.606784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.606784][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.606784][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.606784][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.606784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.606784][ T73] [ 1498.609161][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.609161][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.609161][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.609161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.609161][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1498.609161][ T73] ipv6_add_addr+0x411/0x2000 [ 1498.609161][ T73] inet6_addr_add+0x30e/0xa40 [ 1498.609161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.609161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.609161][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.609161][ T73] netlink_unicast+0x449/0x710 [ 1498.609161][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.609161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.609161][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.609161][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.609161][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.609161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.609161][ T73] [ 1498.611491][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.611491][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.611491][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.611491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.611491][ T73] ip6_route_add+0x1c/0x140 [ 1498.611491][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1498.611491][ T73] addrconf_add_dev+0xe2/0x170 [ 1498.611491][ T73] inet6_addr_add+0x12f/0xa40 [ 1498.611491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.611491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.611491][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.611491][ T73] netlink_unicast+0x449/0x710 [ 1498.611491][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.611491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.611491][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.611491][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.611491][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.611491][ T73] [ 1498.613788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.613788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1498.613788][ T73] ipv6_find_idev+0x102/0x170 [ 1498.613788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.613788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.613788][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.613788][ T73] netlink_unicast+0x449/0x710 [ 1498.613788][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.613788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.613788][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.613788][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.613788][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.613788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.613788][ T73] [ 1498.615523][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1498.615523][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1498.615523][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1498.615523][ T73] ipv6_find_idev+0x102/0x170 [ 1498.615523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.615523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.615523][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.615523][ T73] netlink_unicast+0x449/0x710 [ 1498.615523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.615523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.615523][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.615523][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.615523][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.615523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.615523][ T73] [ 1498.617581][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1498.618290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1498.618290][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.618290][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.618290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.618290][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1498.618290][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1498.618290][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1498.618290][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1498.618290][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1498.618290][ T73] addrconf_dad_begin+0x310/0x670 [ 1498.618290][ T73] addrconf_dad_work+0x10b/0xab0 [ 1498.618290][ T73] process_one_work+0x84d/0x18a0 [ 1498.618290][ T73] worker_thread+0x587/0xd30 [ 1498.618290][ T73] kthread+0x28a/0x350 [ 1498.618290][ T73] ret_from_fork+0x31/0x70 [ 1498.618290][ T73] ret_from_fork_asm+0x1a/0x30 [ 1498.618290][ T73] [ 1498.620281][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1498.620281][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.620281][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.620281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.620281][ T73] ip6_route_add+0x1c/0x140 [ 1498.620281][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1498.620281][ T73] inet6_addr_add+0x4f8/0xa40 [ 1498.620281][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.620281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.620281][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.620281][ T73] netlink_unicast+0x449/0x710 [ 1498.620281][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.620281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.620281][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.620281][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.620281][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.620281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.620281][ T73] [ 1498.622474][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1498.622474][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.622474][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.622474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.622474][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1498.622474][ T73] ipv6_add_addr+0x411/0x2000 [ 1498.622474][ T73] inet6_addr_add+0x30e/0xa40 [ 1498.622474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.622474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.622474][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.622474][ T73] netlink_unicast+0x449/0x710 [ 1498.622474][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.622474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.622474][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.622474][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.622474][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.622474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.622474][ T73] [ 1498.624802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1498.624802][ T73] netdev_get_by_index+0x5e/0x80 [ 1498.624802][ T73] fib6_nh_init+0x3d8/0x1580 [ 1498.624802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1498.624802][ T73] ip6_route_add+0x1c/0x140 [ 1498.624802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1498.624802][ T73] addrconf_add_dev+0xe2/0x170 [ 1498.624802][ T73] inet6_addr_add+0x12f/0xa40 [ 1498.624802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.624802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.624802][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.624802][ T73] netlink_unicast+0x449/0x710 [ 1498.624802][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.624802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.624802][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.624802][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.624802][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.624802][ T73] [ 1498.627033][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1498.627033][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1498.627033][ T73] ipv6_find_idev+0x102/0x170 [ 1498.627033][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.627033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.627033][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.627033][ T73] netlink_unicast+0x449/0x710 [ 1498.627033][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.627033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.627033][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.627033][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.627033][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.627033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.627033][ T73] [ 1498.628812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1498.628812][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1498.628812][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1498.628812][ T73] ipv6_find_idev+0x102/0x170 [ 1498.628812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.628812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.628812][ T73] netlink_rcv_skb+0x130/0x360 [ 1498.628812][ T73] netlink_unicast+0x449/0x710 [ 1498.628812][ T73] netlink_sendmsg+0x723/0xbe0 [ 1498.628812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1498.628812][ T73] ___sys_sendmsg+0xee/0x170 [ 1498.628812][ T73] __sys_sendmsg+0xcd/0x170 [ 1498.628812][ T73] do_syscall_64+0xc6/0x1e0 [ 1498.628812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.628812][ T73] [ 1508.774942][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1508.775424][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.775424][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1508.775424][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1508.775424][ T73] fib6_nh_init+0xa22/0x1580 [ 1508.775424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.775424][ T73] ip6_route_add+0x1c/0x140 [ 1508.775424][ T73] inet6_rtm_newroute+0x104/0x110 [ 1508.775424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.775424][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.775424][ T73] netlink_unicast+0x449/0x710 [ 1508.775424][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.775424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.775424][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.775424][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.775424][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.775424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.775424][ T73] [ 1508.777620][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.777620][ T73] dst_init+0x84/0x4a0 [ 1508.777620][ T73] dst_alloc+0x97/0x150 [ 1508.777620][ T73] ip6_dst_alloc+0x23/0x90 [ 1508.777620][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1508.777620][ T73] ip6_pol_route+0x56f/0x840 [ 1508.777620][ T73] fib6_rule_lookup+0x456/0x630 [ 1508.777620][ T73] ip6_route_input+0x59c/0xa50 [ 1508.777620][ T73] ipv6_rcv+0x397/0x810 [ 1508.777620][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1508.777620][ T73] process_backlog+0x101/0x620 [ 1508.777620][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1508.777620][ T73] net_rx_action+0x495/0xbe0 [ 1508.777620][ T73] __do_softirq+0x1b5/0x7f6 [ 1508.777620][ T73] [ 1508.779627][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.779627][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.779627][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.779627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.779627][ T73] ip6_route_add+0x1c/0x140 [ 1508.779627][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1508.779627][ T73] inet6_addr_add+0x4f8/0xa40 [ 1508.779627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.779627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.779627][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.779627][ T73] netlink_unicast+0x449/0x710 [ 1508.779627][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.779627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.779627][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.779627][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.779627][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.779627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.779627][ T73] [ 1508.782067][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.782067][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.782067][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.782067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.782067][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1508.782067][ T73] ipv6_add_addr+0x411/0x2000 [ 1508.782067][ T73] inet6_addr_add+0x30e/0xa40 [ 1508.782067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.782067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.782067][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.782067][ T73] netlink_unicast+0x449/0x710 [ 1508.782067][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.782067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.782067][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.782067][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.782067][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.782067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.782067][ T73] [ 1508.784517][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.784517][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.784517][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.784517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.784517][ T73] ip6_route_add+0x1c/0x140 [ 1508.784517][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1508.784517][ T73] addrconf_add_dev+0xe2/0x170 [ 1508.784517][ T73] inet6_addr_add+0x12f/0xa40 [ 1508.784517][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.784517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.784517][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.784517][ T73] netlink_unicast+0x449/0x710 [ 1508.784517][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.784517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.784517][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.784517][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.784517][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.784517][ T73] [ 1508.786914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.786914][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1508.786914][ T73] ipv6_find_idev+0x102/0x170 [ 1508.786914][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.786914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.786914][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.786914][ T73] netlink_unicast+0x449/0x710 [ 1508.786914][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.786914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.786914][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.786914][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.786914][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.786914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.786914][ T73] [ 1508.788786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1508.788786][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1508.788786][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1508.788786][ T73] ipv6_find_idev+0x102/0x170 [ 1508.788786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.788786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.788786][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.788786][ T73] netlink_unicast+0x449/0x710 [ 1508.788786][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.788786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.788786][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.788786][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.788786][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.788786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.788786][ T73] [ 1508.790870][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1508.791199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.791199][ T73] dst_init+0x84/0x4a0 [ 1508.791199][ T73] dst_alloc+0x97/0x150 [ 1508.791199][ T73] ip6_dst_alloc+0x23/0x90 [ 1508.791199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1508.791199][ T73] ip6_pol_route+0x56f/0x840 [ 1508.791199][ T73] fib6_rule_lookup+0x456/0x630 [ 1508.791199][ T73] ip6_route_input+0x59c/0xa50 [ 1508.791199][ T73] ipv6_rcv+0x397/0x810 [ 1508.791199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1508.791199][ T73] process_backlog+0x101/0x620 [ 1508.791199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1508.791199][ T73] net_rx_action+0x495/0xbe0 [ 1508.791199][ T73] __do_softirq+0x1b5/0x7f6 [ 1508.791199][ T73] [ 1508.793199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.793199][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.793199][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.793199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.793199][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1508.793199][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1508.793199][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1508.793199][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1508.793199][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1508.793199][ T73] addrconf_dad_begin+0x310/0x670 [ 1508.793199][ T73] addrconf_dad_work+0x10b/0xab0 [ 1508.793199][ T73] process_one_work+0x84d/0x18a0 [ 1508.793199][ T73] worker_thread+0x587/0xd30 [ 1508.793199][ T73] kthread+0x28a/0x350 [ 1508.793199][ T73] ret_from_fork+0x31/0x70 [ 1508.793199][ T73] ret_from_fork_asm+0x1a/0x30 [ 1508.793199][ T73] [ 1508.795541][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.795541][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.795541][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.795541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.795541][ T73] ip6_route_add+0x1c/0x140 [ 1508.795541][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1508.795541][ T73] inet6_addr_add+0x4f8/0xa40 [ 1508.795541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.795541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.795541][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.795541][ T73] netlink_unicast+0x449/0x710 [ 1508.795541][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.795541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.795541][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.795541][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.795541][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.795541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.795541][ T73] [ 1508.797988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.797988][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.797988][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.797988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.797988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1508.797988][ T73] ipv6_add_addr+0x411/0x2000 [ 1508.797988][ T73] inet6_addr_add+0x30e/0xa40 [ 1508.797988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.797988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.797988][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.797988][ T73] netlink_unicast+0x449/0x710 [ 1508.797988][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.797988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.797988][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.797988][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.797988][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.797988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.797988][ T73] [ 1508.800098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.800098][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.800098][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.800098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.800098][ T73] ip6_route_add+0x1c/0x140 [ 1508.800098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1508.800098][ T73] addrconf_add_dev+0xe2/0x170 [ 1508.800098][ T73] inet6_addr_add+0x12f/0xa40 [ 1508.800098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.800098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.800098][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.800098][ T73] netlink_unicast+0x449/0x710 [ 1508.800098][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.800098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.800098][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.800098][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.800098][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.800098][ T73] [ 1508.802189][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.802189][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1508.802189][ T73] ipv6_find_idev+0x102/0x170 [ 1508.802189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.802189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.802189][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.802189][ T73] netlink_unicast+0x449/0x710 [ 1508.802189][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.802189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.802189][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.802189][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.802189][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.802189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.802189][ T73] [ 1508.803827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1508.803827][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1508.803827][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1508.803827][ T73] ipv6_find_idev+0x102/0x170 [ 1508.803827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.803827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.803827][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.803827][ T73] netlink_unicast+0x449/0x710 [ 1508.803827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.803827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.803827][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.803827][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.803827][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.803827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.803827][ T73] [ 1508.805737][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1508.806081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.806081][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1508.806081][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1508.806081][ T73] fib6_nh_init+0xa22/0x1580 [ 1508.806081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.806081][ T73] ip6_route_add+0x1c/0x140 [ 1508.806081][ T73] inet6_rtm_newroute+0x104/0x110 [ 1508.806081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.806081][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.806081][ T73] netlink_unicast+0x449/0x710 [ 1508.806081][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.806081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.806081][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.806081][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.806081][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.806081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.806081][ T73] [ 1508.808678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.808678][ T73] dst_init+0x84/0x4a0 [ 1508.808678][ T73] dst_alloc+0x97/0x150 [ 1508.808678][ T73] ip6_dst_alloc+0x23/0x90 [ 1508.808678][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1508.808678][ T73] ip6_pol_route+0x56f/0x840 [ 1508.808678][ T73] fib6_rule_lookup+0x456/0x630 [ 1508.808678][ T73] ip6_route_input+0x59c/0xa50 [ 1508.808678][ T73] ipv6_rcv+0x397/0x810 [ 1508.808678][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1508.808678][ T73] process_backlog+0x101/0x620 [ 1508.808678][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1508.808678][ T73] net_rx_action+0x495/0xbe0 [ 1508.808678][ T73] __do_softirq+0x1b5/0x7f6 [ 1508.808678][ T73] [ 1508.810851][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.810851][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.810851][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.810851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.810851][ T73] ip6_route_add+0x1c/0x140 [ 1508.810851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1508.810851][ T73] inet6_addr_add+0x4f8/0xa40 [ 1508.810851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.810851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.810851][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.810851][ T73] netlink_unicast+0x449/0x710 [ 1508.810851][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.810851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.810851][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.810851][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.810851][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.810851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.810851][ T73] [ 1508.813541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.813541][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.813541][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.813541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.813541][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1508.813541][ T73] ipv6_add_addr+0x411/0x2000 [ 1508.813541][ T73] inet6_addr_add+0x30e/0xa40 [ 1508.813541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.813541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.813541][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.813541][ T73] netlink_unicast+0x449/0x710 [ 1508.813541][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.813541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.813541][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.813541][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.813541][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.813541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.813541][ T73] [ 1508.816217][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.816217][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.816217][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.816217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.816217][ T73] ip6_route_add+0x1c/0x140 [ 1508.816217][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1508.816217][ T73] addrconf_add_dev+0xe2/0x170 [ 1508.816217][ T73] inet6_addr_add+0x12f/0xa40 [ 1508.816217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.816217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.816217][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.816217][ T73] netlink_unicast+0x449/0x710 [ 1508.816217][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.816217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.816217][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.816217][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.816217][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.816217][ T73] [ 1508.818913][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.818913][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1508.818913][ T73] ipv6_find_idev+0x102/0x170 [ 1508.818913][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.818913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.818913][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.818913][ T73] netlink_unicast+0x449/0x710 [ 1508.818913][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.818913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.818913][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.818913][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.818913][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.818913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.818913][ T73] [ 1508.820909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1508.820909][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1508.820909][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1508.820909][ T73] ipv6_find_idev+0x102/0x170 [ 1508.820909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.820909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.820909][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.820909][ T73] netlink_unicast+0x449/0x710 [ 1508.820909][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.820909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.820909][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.820909][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.820909][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.820909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.820909][ T73] [ 1508.823107][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1508.823401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1508.823401][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.823401][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.823401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.823401][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1508.823401][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1508.823401][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1508.823401][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1508.823401][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1508.823401][ T73] addrconf_dad_begin+0x310/0x670 [ 1508.823401][ T73] addrconf_dad_work+0x10b/0xab0 [ 1508.823401][ T73] process_one_work+0x84d/0x18a0 [ 1508.823401][ T73] worker_thread+0x587/0xd30 [ 1508.823401][ T73] kthread+0x28a/0x350 [ 1508.823401][ T73] ret_from_fork+0x31/0x70 [ 1508.823401][ T73] ret_from_fork_asm+0x1a/0x30 [ 1508.823401][ T73] [ 1508.825587][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1508.825587][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.825587][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.825587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.825587][ T73] ip6_route_add+0x1c/0x140 [ 1508.825587][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1508.825587][ T73] inet6_addr_add+0x4f8/0xa40 [ 1508.825587][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.825587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.825587][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.825587][ T73] netlink_unicast+0x449/0x710 [ 1508.825587][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.825587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.825587][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.825587][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.825587][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.825587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.825587][ T73] [ 1508.827869][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1508.827869][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.827869][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.827869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.827869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1508.827869][ T73] ipv6_add_addr+0x411/0x2000 [ 1508.827869][ T73] inet6_addr_add+0x30e/0xa40 [ 1508.827869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.827869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.827869][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.827869][ T73] netlink_unicast+0x449/0x710 [ 1508.827869][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.827869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.827869][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.827869][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.827869][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.827869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.827869][ T73] [ 1508.830144][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1508.830144][ T73] netdev_get_by_index+0x5e/0x80 [ 1508.830144][ T73] fib6_nh_init+0x3d8/0x1580 [ 1508.830144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1508.830144][ T73] ip6_route_add+0x1c/0x140 [ 1508.830144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1508.830144][ T73] addrconf_add_dev+0xe2/0x170 [ 1508.830144][ T73] inet6_addr_add+0x12f/0xa40 [ 1508.830144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.830144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.830144][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.830144][ T73] netlink_unicast+0x449/0x710 [ 1508.830144][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.830144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.830144][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.830144][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.830144][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.830144][ T73] [ 1508.832366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1508.832366][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1508.832366][ T73] ipv6_find_idev+0x102/0x170 [ 1508.832366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.832366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.832366][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.832366][ T73] netlink_unicast+0x449/0x710 [ 1508.832366][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.832366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.832366][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.832366][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.832366][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.832366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.832366][ T73] [ 1508.834108][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1508.834108][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1508.834108][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1508.834108][ T73] ipv6_find_idev+0x102/0x170 [ 1508.834108][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.834108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.834108][ T73] netlink_rcv_skb+0x130/0x360 [ 1508.834108][ T73] netlink_unicast+0x449/0x710 [ 1508.834108][ T73] netlink_sendmsg+0x723/0xbe0 [ 1508.834108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1508.834108][ T73] ___sys_sendmsg+0xee/0x170 [ 1508.834108][ T73] __sys_sendmsg+0xcd/0x170 [ 1508.834108][ T73] do_syscall_64+0xc6/0x1e0 [ 1508.834108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.834108][ T73] [ 1519.078875][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1519.079555][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.079555][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1519.079555][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1519.079555][ T73] fib6_nh_init+0xa22/0x1580 [ 1519.079555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.079555][ T73] ip6_route_add+0x1c/0x140 [ 1519.079555][ T73] inet6_rtm_newroute+0x104/0x110 [ 1519.079555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.079555][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.079555][ T73] netlink_unicast+0x449/0x710 [ 1519.079555][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.079555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.079555][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.079555][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.079555][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.079555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.079555][ T73] [ 1519.082681][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.082681][ T73] dst_init+0x84/0x4a0 [ 1519.082681][ T73] dst_alloc+0x97/0x150 [ 1519.082681][ T73] ip6_dst_alloc+0x23/0x90 [ 1519.082681][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1519.082681][ T73] ip6_pol_route+0x56f/0x840 [ 1519.082681][ T73] fib6_rule_lookup+0x456/0x630 [ 1519.082681][ T73] ip6_route_input+0x59c/0xa50 [ 1519.082681][ T73] ipv6_rcv+0x397/0x810 [ 1519.082681][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1519.082681][ T73] process_backlog+0x101/0x620 [ 1519.082681][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1519.082681][ T73] net_rx_action+0x495/0xbe0 [ 1519.082681][ T73] __do_softirq+0x1b5/0x7f6 [ 1519.082681][ T73] [ 1519.085415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.085415][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.085415][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.085415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.085415][ T73] ip6_route_add+0x1c/0x140 [ 1519.085415][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1519.085415][ T73] inet6_addr_add+0x4f8/0xa40 [ 1519.085415][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.085415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.085415][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.085415][ T73] netlink_unicast+0x449/0x710 [ 1519.085415][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.085415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.085415][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.085415][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.085415][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.085415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.085415][ T73] [ 1519.088690][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.088690][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.088690][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.088690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.088690][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1519.088690][ T73] ipv6_add_addr+0x411/0x2000 [ 1519.088690][ T73] inet6_addr_add+0x30e/0xa40 [ 1519.088690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.088690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.088690][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.088690][ T73] netlink_unicast+0x449/0x710 [ 1519.088690][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.088690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.088690][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.088690][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.088690][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.088690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.088690][ T73] [ 1519.091999][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.091999][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.091999][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.091999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.091999][ T73] ip6_route_add+0x1c/0x140 [ 1519.091999][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1519.091999][ T73] addrconf_add_dev+0xe2/0x170 [ 1519.091999][ T73] inet6_addr_add+0x12f/0xa40 [ 1519.091999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.091999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.091999][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.091999][ T73] netlink_unicast+0x449/0x710 [ 1519.091999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.091999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.091999][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.091999][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.091999][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.091999][ T73] [ 1519.095235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.095235][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1519.095235][ T73] ipv6_find_idev+0x102/0x170 [ 1519.095235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.095235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.095235][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.095235][ T73] netlink_unicast+0x449/0x710 [ 1519.095235][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.095235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.095235][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.095235][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.095235][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.095235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.095235][ T73] [ 1519.097890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1519.097890][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1519.097890][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1519.097890][ T73] ipv6_find_idev+0x102/0x170 [ 1519.097890][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.097890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.097890][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.097890][ T73] netlink_unicast+0x449/0x710 [ 1519.097890][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.097890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.097890][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.097890][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.097890][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.097890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.097890][ T73] [ 1519.100666][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1519.101132][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.101132][ T73] dst_init+0x84/0x4a0 [ 1519.101132][ T73] dst_alloc+0x97/0x150 [ 1519.101132][ T73] ip6_dst_alloc+0x23/0x90 [ 1519.101132][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1519.101132][ T73] ip6_pol_route+0x56f/0x840 [ 1519.101132][ T73] fib6_rule_lookup+0x456/0x630 [ 1519.101132][ T73] ip6_route_input+0x59c/0xa50 [ 1519.101132][ T73] ipv6_rcv+0x397/0x810 [ 1519.101132][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1519.101132][ T73] process_backlog+0x101/0x620 [ 1519.101132][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1519.101132][ T73] net_rx_action+0x495/0xbe0 [ 1519.101132][ T73] __do_softirq+0x1b5/0x7f6 [ 1519.101132][ T73] [ 1519.103807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.103807][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.103807][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.103807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.103807][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1519.103807][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1519.103807][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1519.103807][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1519.103807][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1519.103807][ T73] addrconf_dad_begin+0x310/0x670 [ 1519.103807][ T73] addrconf_dad_work+0x10b/0xab0 [ 1519.103807][ T73] process_one_work+0x84d/0x18a0 [ 1519.103807][ T73] worker_thread+0x587/0xd30 [ 1519.103807][ T73] kthread+0x28a/0x350 [ 1519.103807][ T73] ret_from_fork+0x31/0x70 [ 1519.103807][ T73] ret_from_fork_asm+0x1a/0x30 [ 1519.103807][ T73] [ 1519.106831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.106831][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.106831][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.106831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.106831][ T73] ip6_route_add+0x1c/0x140 [ 1519.106831][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1519.106831][ T73] inet6_addr_add+0x4f8/0xa40 [ 1519.106831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.106831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.106831][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.106831][ T73] netlink_unicast+0x449/0x710 [ 1519.106831][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.106831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.106831][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.106831][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.106831][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.106831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.106831][ T73] [ 1519.110006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.110006][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.110006][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.110006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.110006][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1519.110006][ T73] ipv6_add_addr+0x411/0x2000 [ 1519.110006][ T73] inet6_addr_add+0x30e/0xa40 [ 1519.110006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.110006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.110006][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.110006][ T73] netlink_unicast+0x449/0x710 [ 1519.110006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.110006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.110006][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.110006][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.110006][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.110006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.110006][ T73] [ 1519.113157][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.113157][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.113157][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.113157][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.113157][ T73] ip6_route_add+0x1c/0x140 [ 1519.113157][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1519.113157][ T73] addrconf_add_dev+0xe2/0x170 [ 1519.113157][ T73] inet6_addr_add+0x12f/0xa40 [ 1519.113157][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.113157][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.113157][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.113157][ T73] netlink_unicast+0x449/0x710 [ 1519.113157][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.113157][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.113157][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.113157][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.113157][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.113157][ T73] [ 1519.116260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.116260][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1519.116260][ T73] ipv6_find_idev+0x102/0x170 [ 1519.116260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.116260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.116260][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.116260][ T73] netlink_unicast+0x449/0x710 [ 1519.116260][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.116260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.116260][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.116260][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.116260][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.116260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.116260][ T73] [ 1519.118718][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1519.118718][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1519.118718][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1519.118718][ T73] ipv6_find_idev+0x102/0x170 [ 1519.118718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.118718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.118718][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.118718][ T73] netlink_unicast+0x449/0x710 [ 1519.118718][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.118718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.118718][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.118718][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.118718][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.118718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.118718][ T73] [ 1519.121558][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1519.122027][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.122027][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1519.122027][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1519.122027][ T73] fib6_nh_init+0xa22/0x1580 [ 1519.122027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.122027][ T73] ip6_route_add+0x1c/0x140 [ 1519.122027][ T73] inet6_rtm_newroute+0x104/0x110 [ 1519.122027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.122027][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.122027][ T73] netlink_unicast+0x449/0x710 [ 1519.122027][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.122027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.122027][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.122027][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.122027][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.122027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.122027][ T73] [ 1519.125273][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.125273][ T73] dst_init+0x84/0x4a0 [ 1519.125273][ T73] dst_alloc+0x97/0x150 [ 1519.125273][ T73] ip6_dst_alloc+0x23/0x90 [ 1519.125273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1519.125273][ T73] ip6_pol_route+0x56f/0x840 [ 1519.125273][ T73] fib6_rule_lookup+0x456/0x630 [ 1519.125273][ T73] ip6_route_input+0x59c/0xa50 [ 1519.125273][ T73] ipv6_rcv+0x397/0x810 [ 1519.125273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1519.125273][ T73] process_backlog+0x101/0x620 [ 1519.125273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1519.125273][ T73] net_rx_action+0x495/0xbe0 [ 1519.125273][ T73] __do_softirq+0x1b5/0x7f6 [ 1519.125273][ T73] [ 1519.128139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.128139][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.128139][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.128139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.128139][ T73] ip6_route_add+0x1c/0x140 [ 1519.128139][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1519.128139][ T73] inet6_addr_add+0x4f8/0xa40 [ 1519.128139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.128139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.128139][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.128139][ T73] netlink_unicast+0x449/0x710 [ 1519.128139][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.128139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.128139][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.128139][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.128139][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.128139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.128139][ T73] [ 1519.131605][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.131605][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.131605][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.131605][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.131605][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1519.131605][ T73] ipv6_add_addr+0x411/0x2000 [ 1519.131605][ T73] inet6_addr_add+0x30e/0xa40 [ 1519.131605][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.131605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.131605][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.131605][ T73] netlink_unicast+0x449/0x710 [ 1519.131605][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.131605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.131605][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.131605][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.131605][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.131605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.131605][ T73] [ 1519.135070][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.135070][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.135070][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.135070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.135070][ T73] ip6_route_add+0x1c/0x140 [ 1519.135070][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1519.135070][ T73] addrconf_add_dev+0xe2/0x170 [ 1519.135070][ T73] inet6_addr_add+0x12f/0xa40 [ 1519.135070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.135070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.135070][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.135070][ T73] netlink_unicast+0x449/0x710 [ 1519.135070][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.135070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.135070][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.135070][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.135070][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.135070][ T73] [ 1519.138486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.138486][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1519.138486][ T73] ipv6_find_idev+0x102/0x170 [ 1519.138486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.138486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.138486][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.138486][ T73] netlink_unicast+0x449/0x710 [ 1519.138486][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.138486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.138486][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.138486][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.138486][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.138486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.138486][ T73] [ 1519.141090][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1519.141090][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1519.141090][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1519.141090][ T73] ipv6_find_idev+0x102/0x170 [ 1519.141090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.141090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.141090][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.141090][ T73] netlink_unicast+0x449/0x710 [ 1519.141090][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.141090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.141090][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.141090][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.141090][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.141090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.141090][ T73] [ 1519.144089][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1519.144531][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1519.144531][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.144531][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.144531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.144531][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1519.144531][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1519.144531][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1519.144531][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1519.144531][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1519.144531][ T73] addrconf_dad_begin+0x310/0x670 [ 1519.144531][ T73] addrconf_dad_work+0x10b/0xab0 [ 1519.144531][ T73] process_one_work+0x84d/0x18a0 [ 1519.144531][ T73] worker_thread+0x587/0xd30 [ 1519.144531][ T73] kthread+0x28a/0x350 [ 1519.144531][ T73] ret_from_fork+0x31/0x70 [ 1519.144531][ T73] ret_from_fork_asm+0x1a/0x30 [ 1519.144531][ T73] [ 1519.147740][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1519.147740][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.147740][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.147740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.147740][ T73] ip6_route_add+0x1c/0x140 [ 1519.147740][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1519.147740][ T73] inet6_addr_add+0x4f8/0xa40 [ 1519.147740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.147740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.147740][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.147740][ T73] netlink_unicast+0x449/0x710 [ 1519.147740][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.147740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.147740][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.147740][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.147740][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.147740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.147740][ T73] [ 1519.151234][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1519.151234][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.151234][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.151234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.151234][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1519.151234][ T73] ipv6_add_addr+0x411/0x2000 [ 1519.151234][ T73] inet6_addr_add+0x30e/0xa40 [ 1519.151234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.151234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.151234][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.151234][ T73] netlink_unicast+0x449/0x710 [ 1519.151234][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.151234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.151234][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.151234][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.151234][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.151234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.151234][ T73] [ 1519.154584][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1519.154584][ T73] netdev_get_by_index+0x5e/0x80 [ 1519.154584][ T73] fib6_nh_init+0x3d8/0x1580 [ 1519.154584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1519.154584][ T73] ip6_route_add+0x1c/0x140 [ 1519.154584][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1519.154584][ T73] addrconf_add_dev+0xe2/0x170 [ 1519.154584][ T73] inet6_addr_add+0x12f/0xa40 [ 1519.154584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1519.154584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.154584][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.154584][ T73] netlink_unicast+0x449/0x710 [ 1519.154584][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.154584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.154584][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.154584][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.154584][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.154584][ T73] [ 1519.157987][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1519.157987][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1519.157987][ T73] ipv6_find_idev+0x102/0x170 [ 1519.157987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.157987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.157987][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.157987][ T73] netlink_unicast+0x449/0x710 [ 1519.157987][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.157987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.157987][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.157987][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.157987][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.157987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.157987][ T73] [ 1519.160584][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1519.160584][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1519.160584][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1519.160584][ T73] ipv6_find_idev+0x102/0x170 [ 1519.160584][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1519.160584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1519.160584][ T73] netlink_rcv_skb+0x130/0x360 [ 1519.160584][ T73] netlink_unicast+0x449/0x710 [ 1519.160584][ T73] netlink_sendmsg+0x723/0xbe0 [ 1519.160584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1519.160584][ T73] ___sys_sendmsg+0xee/0x170 [ 1519.160584][ T73] __sys_sendmsg+0xcd/0x170 [ 1519.160584][ T73] do_syscall_64+0xc6/0x1e0 [ 1519.160584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1519.160584][ T73] [ 1529.382946][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1529.383366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.383366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1529.383366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1529.383366][ T73] fib6_nh_init+0xa22/0x1580 [ 1529.383366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.383366][ T73] ip6_route_add+0x1c/0x140 [ 1529.383366][ T73] inet6_rtm_newroute+0x104/0x110 [ 1529.383366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.383366][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.383366][ T73] netlink_unicast+0x449/0x710 [ 1529.383366][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.383366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.383366][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.383366][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.383366][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.383366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.383366][ T73] [ 1529.385266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.385266][ T73] dst_init+0x84/0x4a0 [ 1529.385266][ T73] dst_alloc+0x97/0x150 [ 1529.385266][ T73] ip6_dst_alloc+0x23/0x90 [ 1529.385266][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1529.385266][ T73] ip6_pol_route+0x56f/0x840 [ 1529.385266][ T73] fib6_rule_lookup+0x456/0x630 [ 1529.385266][ T73] ip6_route_input+0x59c/0xa50 [ 1529.385266][ T73] ipv6_rcv+0x397/0x810 [ 1529.385266][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1529.385266][ T73] process_backlog+0x101/0x620 [ 1529.385266][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1529.385266][ T73] net_rx_action+0x495/0xbe0 [ 1529.385266][ T73] __do_softirq+0x1b5/0x7f6 [ 1529.385266][ T73] [ 1529.386908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.386908][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.386908][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.386908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.386908][ T73] ip6_route_add+0x1c/0x140 [ 1529.386908][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1529.386908][ T73] inet6_addr_add+0x4f8/0xa40 [ 1529.386908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.386908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.386908][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.386908][ T73] netlink_unicast+0x449/0x710 [ 1529.386908][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.386908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.386908][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.386908][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.386908][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.386908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.386908][ T73] [ 1529.388924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.388924][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.388924][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.388924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.388924][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1529.388924][ T73] ipv6_add_addr+0x411/0x2000 [ 1529.388924][ T73] inet6_addr_add+0x30e/0xa40 [ 1529.388924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.388924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.388924][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.388924][ T73] netlink_unicast+0x449/0x710 [ 1529.388924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.388924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.388924][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.388924][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.388924][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.388924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.388924][ T73] [ 1529.390931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.390931][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.390931][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.390931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.390931][ T73] ip6_route_add+0x1c/0x140 [ 1529.390931][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1529.390931][ T73] addrconf_add_dev+0xe2/0x170 [ 1529.390931][ T73] inet6_addr_add+0x12f/0xa40 [ 1529.390931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.390931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.390931][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.390931][ T73] netlink_unicast+0x449/0x710 [ 1529.390931][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.390931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.390931][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.390931][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.390931][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.390931][ T73] [ 1529.392908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.392908][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1529.392908][ T73] ipv6_find_idev+0x102/0x170 [ 1529.392908][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.392908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.392908][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.392908][ T73] netlink_unicast+0x449/0x710 [ 1529.392908][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.392908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.392908][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.392908][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.392908][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.392908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.392908][ T73] [ 1529.394474][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1529.394474][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1529.394474][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1529.394474][ T73] ipv6_find_idev+0x102/0x170 [ 1529.394474][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.394474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.394474][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.394474][ T73] netlink_unicast+0x449/0x710 [ 1529.394474][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.394474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.394474][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.394474][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.394474][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.394474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.394474][ T73] [ 1529.396191][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1529.396468][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.396468][ T73] dst_init+0x84/0x4a0 [ 1529.396468][ T73] dst_alloc+0x97/0x150 [ 1529.396468][ T73] ip6_dst_alloc+0x23/0x90 [ 1529.396468][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1529.396468][ T73] ip6_pol_route+0x56f/0x840 [ 1529.396468][ T73] fib6_rule_lookup+0x456/0x630 [ 1529.396468][ T73] ip6_route_input+0x59c/0xa50 [ 1529.396468][ T73] ipv6_rcv+0x397/0x810 [ 1529.396468][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1529.396468][ T73] process_backlog+0x101/0x620 [ 1529.396468][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1529.396468][ T73] net_rx_action+0x495/0xbe0 [ 1529.396468][ T73] __do_softirq+0x1b5/0x7f6 [ 1529.396468][ T73] [ 1529.398117][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.398117][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.398117][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.398117][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.398117][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1529.398117][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1529.398117][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1529.398117][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1529.398117][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1529.398117][ T73] addrconf_dad_begin+0x310/0x670 [ 1529.398117][ T73] addrconf_dad_work+0x10b/0xab0 [ 1529.398117][ T73] process_one_work+0x84d/0x18a0 [ 1529.398117][ T73] worker_thread+0x587/0xd30 [ 1529.398117][ T73] kthread+0x28a/0x350 [ 1529.398117][ T73] ret_from_fork+0x31/0x70 [ 1529.398117][ T73] ret_from_fork_asm+0x1a/0x30 [ 1529.398117][ T73] [ 1529.400030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.400030][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.400030][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.400030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.400030][ T73] ip6_route_add+0x1c/0x140 [ 1529.400030][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1529.400030][ T73] inet6_addr_add+0x4f8/0xa40 [ 1529.400030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.400030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.400030][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.400030][ T73] netlink_unicast+0x449/0x710 [ 1529.400030][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.400030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.400030][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.400030][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.400030][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.400030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.400030][ T73] [ 1529.402053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.402053][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.402053][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.402053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.402053][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1529.402053][ T73] ipv6_add_addr+0x411/0x2000 [ 1529.402053][ T73] inet6_addr_add+0x30e/0xa40 [ 1529.402053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.402053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.402053][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.402053][ T73] netlink_unicast+0x449/0x710 [ 1529.402053][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.402053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.402053][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.402053][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.402053][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.402053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.402053][ T73] [ 1529.404065][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.404065][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.404065][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.404065][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.404065][ T73] ip6_route_add+0x1c/0x140 [ 1529.404065][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1529.404065][ T73] addrconf_add_dev+0xe2/0x170 [ 1529.404065][ T73] inet6_addr_add+0x12f/0xa40 [ 1529.404065][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.404065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.404065][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.404065][ T73] netlink_unicast+0x449/0x710 [ 1529.404065][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.404065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.404065][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.404065][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.404065][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.404065][ T73] [ 1529.406038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.406038][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1529.406038][ T73] ipv6_find_idev+0x102/0x170 [ 1529.406038][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.406038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.406038][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.406038][ T73] netlink_unicast+0x449/0x710 [ 1529.406038][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.406038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.406038][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.406038][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.406038][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.406038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.406038][ T73] [ 1529.407578][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1529.407578][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1529.407578][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1529.407578][ T73] ipv6_find_idev+0x102/0x170 [ 1529.407578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.407578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.407578][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.407578][ T73] netlink_unicast+0x449/0x710 [ 1529.407578][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.407578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.407578][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.407578][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.407578][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.407578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.407578][ T73] [ 1529.409401][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1529.409669][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.409669][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1529.409669][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1529.409669][ T73] fib6_nh_init+0xa22/0x1580 [ 1529.409669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.409669][ T73] ip6_route_add+0x1c/0x140 [ 1529.409669][ T73] inet6_rtm_newroute+0x104/0x110 [ 1529.409669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.409669][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.409669][ T73] netlink_unicast+0x449/0x710 [ 1529.409669][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.409669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.409669][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.409669][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.409669][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.409669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.409669][ T73] [ 1529.411874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.411874][ T73] dst_init+0x84/0x4a0 [ 1529.411874][ T73] dst_alloc+0x97/0x150 [ 1529.411874][ T73] ip6_dst_alloc+0x23/0x90 [ 1529.411874][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1529.411874][ T73] ip6_pol_route+0x56f/0x840 [ 1529.411874][ T73] fib6_rule_lookup+0x456/0x630 [ 1529.411874][ T73] ip6_route_input+0x59c/0xa50 [ 1529.411874][ T73] ipv6_rcv+0x397/0x810 [ 1529.411874][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1529.411874][ T73] process_backlog+0x101/0x620 [ 1529.411874][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1529.411874][ T73] net_rx_action+0x495/0xbe0 [ 1529.411874][ T73] __do_softirq+0x1b5/0x7f6 [ 1529.411874][ T73] [ 1529.413710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.413710][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.413710][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.413710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.413710][ T73] ip6_route_add+0x1c/0x140 [ 1529.413710][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1529.413710][ T73] inet6_addr_add+0x4f8/0xa40 [ 1529.413710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.413710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.413710][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.413710][ T73] netlink_unicast+0x449/0x710 [ 1529.413710][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.413710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.413710][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.413710][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.413710][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.413710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.413710][ T73] [ 1529.415954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.415954][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.415954][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.415954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.415954][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1529.415954][ T73] ipv6_add_addr+0x411/0x2000 [ 1529.415954][ T73] inet6_addr_add+0x30e/0xa40 [ 1529.415954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.415954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.415954][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.415954][ T73] netlink_unicast+0x449/0x710 [ 1529.415954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.415954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.415954][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.415954][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.415954][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.415954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.415954][ T73] [ 1529.418239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.418239][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.418239][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.418239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.418239][ T73] ip6_route_add+0x1c/0x140 [ 1529.418239][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1529.418239][ T73] addrconf_add_dev+0xe2/0x170 [ 1529.418239][ T73] inet6_addr_add+0x12f/0xa40 [ 1529.418239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.418239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.418239][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.418239][ T73] netlink_unicast+0x449/0x710 [ 1529.418239][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.418239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.418239][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.418239][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.418239][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.418239][ T73] [ 1529.420510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.420510][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1529.420510][ T73] ipv6_find_idev+0x102/0x170 [ 1529.420510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.420510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.420510][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.420510][ T73] netlink_unicast+0x449/0x710 [ 1529.420510][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.420510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.420510][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.420510][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.420510][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.420510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.420510][ T73] [ 1529.422170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1529.422170][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1529.422170][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1529.422170][ T73] ipv6_find_idev+0x102/0x170 [ 1529.422170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.422170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.422170][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.422170][ T73] netlink_unicast+0x449/0x710 [ 1529.422170][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.422170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.422170][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.422170][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.422170][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.422170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.422170][ T73] [ 1529.424122][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1529.424394][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1529.424394][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.424394][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.424394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.424394][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1529.424394][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1529.424394][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1529.424394][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1529.424394][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1529.424394][ T73] addrconf_dad_begin+0x310/0x670 [ 1529.424394][ T73] addrconf_dad_work+0x10b/0xab0 [ 1529.424394][ T73] process_one_work+0x84d/0x18a0 [ 1529.424394][ T73] worker_thread+0x587/0xd30 [ 1529.424394][ T73] kthread+0x28a/0x350 [ 1529.424394][ T73] ret_from_fork+0x31/0x70 [ 1529.424394][ T73] ret_from_fork_asm+0x1a/0x30 [ 1529.424394][ T73] [ 1529.426561][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1529.426561][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.426561][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.426561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.426561][ T73] ip6_route_add+0x1c/0x140 [ 1529.426561][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1529.426561][ T73] inet6_addr_add+0x4f8/0xa40 [ 1529.426561][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.426561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.426561][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.426561][ T73] netlink_unicast+0x449/0x710 [ 1529.426561][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.426561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.426561][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.426561][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.426561][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.426561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.426561][ T73] [ 1529.428804][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1529.428804][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.428804][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.428804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.428804][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1529.428804][ T73] ipv6_add_addr+0x411/0x2000 [ 1529.428804][ T73] inet6_addr_add+0x30e/0xa40 [ 1529.428804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.428804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.428804][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.428804][ T73] netlink_unicast+0x449/0x710 [ 1529.428804][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.428804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.428804][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.428804][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.428804][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.428804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.428804][ T73] [ 1529.431048][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1529.431048][ T73] netdev_get_by_index+0x5e/0x80 [ 1529.431048][ T73] fib6_nh_init+0x3d8/0x1580 [ 1529.431048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1529.431048][ T73] ip6_route_add+0x1c/0x140 [ 1529.431048][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1529.431048][ T73] addrconf_add_dev+0xe2/0x170 [ 1529.431048][ T73] inet6_addr_add+0x12f/0xa40 [ 1529.431048][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1529.431048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.431048][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.431048][ T73] netlink_unicast+0x449/0x710 [ 1529.431048][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.431048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.431048][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.431048][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.431048][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.431048][ T73] [ 1529.433262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1529.433262][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1529.433262][ T73] ipv6_find_idev+0x102/0x170 [ 1529.433262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.433262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.433262][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.433262][ T73] netlink_unicast+0x449/0x710 [ 1529.433262][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.433262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.433262][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.433262][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.433262][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.433262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.433262][ T73] [ 1529.434993][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1529.434993][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1529.434993][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1529.434993][ T73] ipv6_find_idev+0x102/0x170 [ 1529.434993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1529.434993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1529.434993][ T73] netlink_rcv_skb+0x130/0x360 [ 1529.434993][ T73] netlink_unicast+0x449/0x710 [ 1529.434993][ T73] netlink_sendmsg+0x723/0xbe0 [ 1529.434993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1529.434993][ T73] ___sys_sendmsg+0xee/0x170 [ 1529.434993][ T73] __sys_sendmsg+0xcd/0x170 [ 1529.434993][ T73] do_syscall_64+0xc6/0x1e0 [ 1529.434993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1529.434993][ T73] [ 1539.446920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1539.447327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.447327][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1539.447327][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1539.447327][ T73] fib6_nh_init+0xa22/0x1580 [ 1539.447327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.447327][ T73] ip6_route_add+0x1c/0x140 [ 1539.447327][ T73] inet6_rtm_newroute+0x104/0x110 [ 1539.447327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.447327][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.447327][ T73] netlink_unicast+0x449/0x710 [ 1539.447327][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.447327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.447327][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.447327][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.447327][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.447327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.447327][ T73] [ 1539.449355][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.449355][ T73] dst_init+0x84/0x4a0 [ 1539.449355][ T73] dst_alloc+0x97/0x150 [ 1539.449355][ T73] ip6_dst_alloc+0x23/0x90 [ 1539.449355][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1539.449355][ T73] ip6_pol_route+0x56f/0x840 [ 1539.449355][ T73] fib6_rule_lookup+0x456/0x630 [ 1539.449355][ T73] ip6_route_input+0x59c/0xa50 [ 1539.449355][ T73] ipv6_rcv+0x397/0x810 [ 1539.449355][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1539.449355][ T73] process_backlog+0x101/0x620 [ 1539.449355][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1539.449355][ T73] net_rx_action+0x495/0xbe0 [ 1539.449355][ T73] __do_softirq+0x1b5/0x7f6 [ 1539.449355][ T73] [ 1539.451006][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.451006][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.451006][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.451006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.451006][ T73] ip6_route_add+0x1c/0x140 [ 1539.451006][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1539.451006][ T73] inet6_addr_add+0x4f8/0xa40 [ 1539.451006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.451006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.451006][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.451006][ T73] netlink_unicast+0x449/0x710 [ 1539.451006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.451006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.451006][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.451006][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.451006][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.451006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.451006][ T73] [ 1539.453024][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.453024][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.453024][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.453024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.453024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1539.453024][ T73] ipv6_add_addr+0x411/0x2000 [ 1539.453024][ T73] inet6_addr_add+0x30e/0xa40 [ 1539.453024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.453024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.453024][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.453024][ T73] netlink_unicast+0x449/0x710 [ 1539.453024][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.453024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.453024][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.453024][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.453024][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.453024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.453024][ T73] [ 1539.455052][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.455052][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.455052][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.455052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.455052][ T73] ip6_route_add+0x1c/0x140 [ 1539.455052][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1539.455052][ T73] addrconf_add_dev+0xe2/0x170 [ 1539.455052][ T73] inet6_addr_add+0x12f/0xa40 [ 1539.455052][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.455052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.455052][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.455052][ T73] netlink_unicast+0x449/0x710 [ 1539.455052][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.455052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.455052][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.455052][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.455052][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.455052][ T73] [ 1539.457548][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.457548][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1539.457548][ T73] ipv6_find_idev+0x102/0x170 [ 1539.457548][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.457548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.457548][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.457548][ T73] netlink_unicast+0x449/0x710 [ 1539.457548][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.457548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.457548][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.457548][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.457548][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.457548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.457548][ T73] [ 1539.459112][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1539.459112][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1539.459112][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1539.459112][ T73] ipv6_find_idev+0x102/0x170 [ 1539.459112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.459112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.459112][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.459112][ T73] netlink_unicast+0x449/0x710 [ 1539.459112][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.459112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.459112][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.459112][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.459112][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.459112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.459112][ T73] [ 1539.460820][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1539.461098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.461098][ T73] dst_init+0x84/0x4a0 [ 1539.461098][ T73] dst_alloc+0x97/0x150 [ 1539.461098][ T73] ip6_dst_alloc+0x23/0x90 [ 1539.461098][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1539.461098][ T73] ip6_pol_route+0x56f/0x840 [ 1539.461098][ T73] fib6_rule_lookup+0x456/0x630 [ 1539.461098][ T73] ip6_route_input+0x59c/0xa50 [ 1539.461098][ T73] ipv6_rcv+0x397/0x810 [ 1539.461098][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1539.461098][ T73] process_backlog+0x101/0x620 [ 1539.461098][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1539.461098][ T73] net_rx_action+0x495/0xbe0 [ 1539.461098][ T73] __do_softirq+0x1b5/0x7f6 [ 1539.461098][ T73] [ 1539.462749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.462749][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.462749][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.462749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.462749][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1539.462749][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1539.462749][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1539.462749][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1539.462749][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1539.462749][ T73] addrconf_dad_begin+0x310/0x670 [ 1539.462749][ T73] addrconf_dad_work+0x10b/0xab0 [ 1539.462749][ T73] process_one_work+0x84d/0x18a0 [ 1539.462749][ T73] worker_thread+0x587/0xd30 [ 1539.462749][ T73] kthread+0x28a/0x350 [ 1539.462749][ T73] ret_from_fork+0x31/0x70 [ 1539.462749][ T73] ret_from_fork_asm+0x1a/0x30 [ 1539.462749][ T73] [ 1539.464672][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.464672][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.464672][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.464672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.464672][ T73] ip6_route_add+0x1c/0x140 [ 1539.464672][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1539.464672][ T73] inet6_addr_add+0x4f8/0xa40 [ 1539.464672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.464672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.464672][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.464672][ T73] netlink_unicast+0x449/0x710 [ 1539.464672][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.464672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.464672][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.464672][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.464672][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.464672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.464672][ T73] [ 1539.466712][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.466712][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.466712][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.466712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.466712][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1539.466712][ T73] ipv6_add_addr+0x411/0x2000 [ 1539.466712][ T73] inet6_addr_add+0x30e/0xa40 [ 1539.466712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.466712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.466712][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.466712][ T73] netlink_unicast+0x449/0x710 [ 1539.466712][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.466712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.466712][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.466712][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.466712][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.466712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.466712][ T73] [ 1539.468723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.468723][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.468723][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.468723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.468723][ T73] ip6_route_add+0x1c/0x140 [ 1539.468723][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1539.468723][ T73] addrconf_add_dev+0xe2/0x170 [ 1539.468723][ T73] inet6_addr_add+0x12f/0xa40 [ 1539.468723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.468723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.468723][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.468723][ T73] netlink_unicast+0x449/0x710 [ 1539.468723][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.468723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.468723][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.468723][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.468723][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.468723][ T73] [ 1539.470684][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.470684][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1539.470684][ T73] ipv6_find_idev+0x102/0x170 [ 1539.470684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.470684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.470684][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.470684][ T73] netlink_unicast+0x449/0x710 [ 1539.470684][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.470684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.470684][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.470684][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.470684][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.470684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.470684][ T73] [ 1539.472346][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1539.472346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1539.472346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1539.472346][ T73] ipv6_find_idev+0x102/0x170 [ 1539.472346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.472346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.472346][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.472346][ T73] netlink_unicast+0x449/0x710 [ 1539.472346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.472346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.472346][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.472346][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.472346][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.472346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.472346][ T73] [ 1539.474583][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1539.474873][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.474873][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1539.474873][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1539.474873][ T73] fib6_nh_init+0xa22/0x1580 [ 1539.474873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.474873][ T73] ip6_route_add+0x1c/0x140 [ 1539.474873][ T73] inet6_rtm_newroute+0x104/0x110 [ 1539.474873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.474873][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.474873][ T73] netlink_unicast+0x449/0x710 [ 1539.474873][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.474873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.474873][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.474873][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.474873][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.474873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.474873][ T73] [ 1539.477001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.477001][ T73] dst_init+0x84/0x4a0 [ 1539.477001][ T73] dst_alloc+0x97/0x150 [ 1539.477001][ T73] ip6_dst_alloc+0x23/0x90 [ 1539.477001][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1539.477001][ T73] ip6_pol_route+0x56f/0x840 [ 1539.477001][ T73] fib6_rule_lookup+0x456/0x630 [ 1539.477001][ T73] ip6_route_input+0x59c/0xa50 [ 1539.477001][ T73] ipv6_rcv+0x397/0x810 [ 1539.477001][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1539.477001][ T73] process_backlog+0x101/0x620 [ 1539.477001][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1539.477001][ T73] net_rx_action+0x495/0xbe0 [ 1539.477001][ T73] __do_softirq+0x1b5/0x7f6 [ 1539.477001][ T73] [ 1539.478827][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.478827][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.478827][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.478827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.478827][ T73] ip6_route_add+0x1c/0x140 [ 1539.478827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1539.478827][ T73] inet6_addr_add+0x4f8/0xa40 [ 1539.478827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.478827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.478827][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.478827][ T73] netlink_unicast+0x449/0x710 [ 1539.478827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.478827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.478827][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.478827][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.478827][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.478827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.478827][ T73] [ 1539.481139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.481139][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.481139][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.481139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.481139][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1539.481139][ T73] ipv6_add_addr+0x411/0x2000 [ 1539.481139][ T73] inet6_addr_add+0x30e/0xa40 [ 1539.481139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.481139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.481139][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.481139][ T73] netlink_unicast+0x449/0x710 [ 1539.481139][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.481139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.481139][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.481139][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.481139][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.481139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.481139][ T73] [ 1539.483393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.483393][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.483393][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.483393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.483393][ T73] ip6_route_add+0x1c/0x140 [ 1539.483393][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1539.483393][ T73] addrconf_add_dev+0xe2/0x170 [ 1539.483393][ T73] inet6_addr_add+0x12f/0xa40 [ 1539.483393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.483393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.483393][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.483393][ T73] netlink_unicast+0x449/0x710 [ 1539.483393][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.483393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.483393][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.483393][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.483393][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.483393][ T73] [ 1539.485622][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.485622][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1539.485622][ T73] ipv6_find_idev+0x102/0x170 [ 1539.485622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.485622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.485622][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.485622][ T73] netlink_unicast+0x449/0x710 [ 1539.485622][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.485622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.485622][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.485622][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.485622][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.485622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.485622][ T73] [ 1539.487300][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1539.487300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1539.487300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1539.487300][ T73] ipv6_find_idev+0x102/0x170 [ 1539.487300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.487300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.487300][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.487300][ T73] netlink_unicast+0x449/0x710 [ 1539.487300][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.487300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.487300][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.487300][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.487300][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.487300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.487300][ T73] [ 1539.489306][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1539.489582][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1539.489582][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.489582][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.489582][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.489582][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1539.489582][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1539.489582][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1539.489582][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1539.489582][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1539.489582][ T73] addrconf_dad_begin+0x310/0x670 [ 1539.489582][ T73] addrconf_dad_work+0x10b/0xab0 [ 1539.489582][ T73] process_one_work+0x84d/0x18a0 [ 1539.489582][ T73] worker_thread+0x587/0xd30 [ 1539.489582][ T73] kthread+0x28a/0x350 [ 1539.489582][ T73] ret_from_fork+0x31/0x70 [ 1539.489582][ T73] ret_from_fork_asm+0x1a/0x30 [ 1539.489582][ T73] [ 1539.491744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1539.491744][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.491744][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.491744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.491744][ T73] ip6_route_add+0x1c/0x140 [ 1539.491744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1539.491744][ T73] inet6_addr_add+0x4f8/0xa40 [ 1539.491744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.491744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.491744][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.491744][ T73] netlink_unicast+0x449/0x710 [ 1539.491744][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.491744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.491744][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.491744][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.491744][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.491744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.491744][ T73] [ 1539.493996][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1539.493996][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.493996][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.493996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.493996][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1539.493996][ T73] ipv6_add_addr+0x411/0x2000 [ 1539.493996][ T73] inet6_addr_add+0x30e/0xa40 [ 1539.493996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.493996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.493996][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.493996][ T73] netlink_unicast+0x449/0x710 [ 1539.493996][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.493996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.493996][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.493996][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.493996][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.493996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.493996][ T73] [ 1539.496191][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1539.496191][ T73] netdev_get_by_index+0x5e/0x80 [ 1539.496191][ T73] fib6_nh_init+0x3d8/0x1580 [ 1539.496191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1539.496191][ T73] ip6_route_add+0x1c/0x140 [ 1539.496191][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1539.496191][ T73] addrconf_add_dev+0xe2/0x170 [ 1539.496191][ T73] inet6_addr_add+0x12f/0xa40 [ 1539.496191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.496191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.496191][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.496191][ T73] netlink_unicast+0x449/0x710 [ 1539.496191][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.496191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.496191][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.496191][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.496191][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.496191][ T73] [ 1539.498419][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1539.498419][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1539.498419][ T73] ipv6_find_idev+0x102/0x170 [ 1539.498419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.498419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.498419][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.498419][ T73] netlink_unicast+0x449/0x710 [ 1539.498419][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.498419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.498419][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.498419][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.498419][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.498419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.498419][ T73] [ 1539.500211][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1539.500211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1539.500211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1539.500211][ T73] ipv6_find_idev+0x102/0x170 [ 1539.500211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.500211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.500211][ T73] netlink_rcv_skb+0x130/0x360 [ 1539.500211][ T73] netlink_unicast+0x449/0x710 [ 1539.500211][ T73] netlink_sendmsg+0x723/0xbe0 [ 1539.500211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1539.500211][ T73] ___sys_sendmsg+0xee/0x170 [ 1539.500211][ T73] __sys_sendmsg+0xcd/0x170 [ 1539.500211][ T73] do_syscall_64+0xc6/0x1e0 [ 1539.500211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.500211][ T73] [ 1549.534882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1549.535355][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.535355][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1549.535355][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1549.535355][ T73] fib6_nh_init+0xa22/0x1580 [ 1549.535355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.535355][ T73] ip6_route_add+0x1c/0x140 [ 1549.535355][ T73] inet6_rtm_newroute+0x104/0x110 [ 1549.535355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.535355][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.535355][ T73] netlink_unicast+0x449/0x710 [ 1549.535355][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.535355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.535355][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.535355][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.535355][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.535355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.535355][ T73] [ 1549.537248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.537248][ T73] dst_init+0x84/0x4a0 [ 1549.537248][ T73] dst_alloc+0x97/0x150 [ 1549.537248][ T73] ip6_dst_alloc+0x23/0x90 [ 1549.537248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1549.537248][ T73] ip6_pol_route+0x56f/0x840 [ 1549.537248][ T73] fib6_rule_lookup+0x456/0x630 [ 1549.537248][ T73] ip6_route_input+0x59c/0xa50 [ 1549.537248][ T73] ipv6_rcv+0x397/0x810 [ 1549.537248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1549.537248][ T73] process_backlog+0x101/0x620 [ 1549.537248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1549.537248][ T73] net_rx_action+0x495/0xbe0 [ 1549.537248][ T73] __do_softirq+0x1b5/0x7f6 [ 1549.537248][ T73] [ 1549.538885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.538885][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.538885][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.538885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.538885][ T73] ip6_route_add+0x1c/0x140 [ 1549.538885][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1549.538885][ T73] inet6_addr_add+0x4f8/0xa40 [ 1549.538885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.538885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.538885][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.538885][ T73] netlink_unicast+0x449/0x710 [ 1549.538885][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.538885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.538885][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.538885][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.538885][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.538885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.538885][ T73] [ 1549.540881][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.540881][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.540881][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.540881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.540881][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1549.540881][ T73] ipv6_add_addr+0x411/0x2000 [ 1549.540881][ T73] inet6_addr_add+0x30e/0xa40 [ 1549.540881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.540881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.540881][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.540881][ T73] netlink_unicast+0x449/0x710 [ 1549.540881][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.540881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.540881][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.540881][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.540881][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.540881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.540881][ T73] [ 1549.542867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.542867][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.542867][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.542867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.542867][ T73] ip6_route_add+0x1c/0x140 [ 1549.542867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1549.542867][ T73] addrconf_add_dev+0xe2/0x170 [ 1549.542867][ T73] inet6_addr_add+0x12f/0xa40 [ 1549.542867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.542867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.542867][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.542867][ T73] netlink_unicast+0x449/0x710 [ 1549.542867][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.542867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.542867][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.542867][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.542867][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.542867][ T73] [ 1549.544840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.544840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1549.544840][ T73] ipv6_find_idev+0x102/0x170 [ 1549.544840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.544840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.544840][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.544840][ T73] netlink_unicast+0x449/0x710 [ 1549.544840][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.544840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.544840][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.544840][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.544840][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.544840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.544840][ T73] [ 1549.546376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1549.546376][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1549.546376][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1549.546376][ T73] ipv6_find_idev+0x102/0x170 [ 1549.546376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.546376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.546376][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.546376][ T73] netlink_unicast+0x449/0x710 [ 1549.546376][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.546376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.546376][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.546376][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.546376][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.546376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.546376][ T73] [ 1549.548076][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1549.548349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.548349][ T73] dst_init+0x84/0x4a0 [ 1549.548349][ T73] dst_alloc+0x97/0x150 [ 1549.548349][ T73] ip6_dst_alloc+0x23/0x90 [ 1549.548349][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1549.548349][ T73] ip6_pol_route+0x56f/0x840 [ 1549.548349][ T73] fib6_rule_lookup+0x456/0x630 [ 1549.548349][ T73] ip6_route_input+0x59c/0xa50 [ 1549.548349][ T73] ipv6_rcv+0x397/0x810 [ 1549.548349][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1549.548349][ T73] process_backlog+0x101/0x620 [ 1549.548349][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1549.548349][ T73] net_rx_action+0x495/0xbe0 [ 1549.548349][ T73] __do_softirq+0x1b5/0x7f6 [ 1549.548349][ T73] [ 1549.549984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.549984][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.549984][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.549984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.549984][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1549.549984][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1549.549984][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1549.549984][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1549.549984][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1549.549984][ T73] addrconf_dad_begin+0x310/0x670 [ 1549.549984][ T73] addrconf_dad_work+0x10b/0xab0 [ 1549.549984][ T73] process_one_work+0x84d/0x18a0 [ 1549.549984][ T73] worker_thread+0x587/0xd30 [ 1549.549984][ T73] kthread+0x28a/0x350 [ 1549.549984][ T73] ret_from_fork+0x31/0x70 [ 1549.549984][ T73] ret_from_fork_asm+0x1a/0x30 [ 1549.549984][ T73] [ 1549.551911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.551911][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.551911][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.551911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.551911][ T73] ip6_route_add+0x1c/0x140 [ 1549.551911][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1549.551911][ T73] inet6_addr_add+0x4f8/0xa40 [ 1549.551911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.551911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.551911][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.551911][ T73] netlink_unicast+0x449/0x710 [ 1549.551911][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.551911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.551911][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.551911][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.551911][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.551911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.551911][ T73] [ 1549.553916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.553916][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.553916][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.553916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.553916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1549.553916][ T73] ipv6_add_addr+0x411/0x2000 [ 1549.553916][ T73] inet6_addr_add+0x30e/0xa40 [ 1549.553916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.553916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.553916][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.553916][ T73] netlink_unicast+0x449/0x710 [ 1549.553916][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.553916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.553916][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.553916][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.553916][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.553916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.553916][ T73] [ 1549.555911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.555911][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.555911][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.555911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.555911][ T73] ip6_route_add+0x1c/0x140 [ 1549.555911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1549.555911][ T73] addrconf_add_dev+0xe2/0x170 [ 1549.555911][ T73] inet6_addr_add+0x12f/0xa40 [ 1549.555911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.555911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.555911][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.555911][ T73] netlink_unicast+0x449/0x710 [ 1549.555911][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.555911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.555911][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.555911][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.555911][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.555911][ T73] [ 1549.557871][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.557871][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1549.557871][ T73] ipv6_find_idev+0x102/0x170 [ 1549.557871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.557871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.557871][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.557871][ T73] netlink_unicast+0x449/0x710 [ 1549.557871][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.557871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.557871][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.557871][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.557871][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.557871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.557871][ T73] [ 1549.559629][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1549.559629][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1549.559629][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1549.559629][ T73] ipv6_find_idev+0x102/0x170 [ 1549.559629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.559629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.559629][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.559629][ T73] netlink_unicast+0x449/0x710 [ 1549.559629][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.559629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.559629][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.559629][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.559629][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.559629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.559629][ T73] [ 1549.561649][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1549.561964][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.561964][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1549.561964][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1549.561964][ T73] fib6_nh_init+0xa22/0x1580 [ 1549.561964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.561964][ T73] ip6_route_add+0x1c/0x140 [ 1549.561964][ T73] inet6_rtm_newroute+0x104/0x110 [ 1549.561964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.561964][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.561964][ T73] netlink_unicast+0x449/0x710 [ 1549.561964][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.561964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.561964][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.561964][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.561964][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.561964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.561964][ T73] [ 1549.564306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.564306][ T73] dst_init+0x84/0x4a0 [ 1549.564306][ T73] dst_alloc+0x97/0x150 [ 1549.564306][ T73] ip6_dst_alloc+0x23/0x90 [ 1549.564306][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1549.564306][ T73] ip6_pol_route+0x56f/0x840 [ 1549.564306][ T73] fib6_rule_lookup+0x456/0x630 [ 1549.564306][ T73] ip6_route_input+0x59c/0xa50 [ 1549.564306][ T73] ipv6_rcv+0x397/0x810 [ 1549.564306][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1549.564306][ T73] process_backlog+0x101/0x620 [ 1549.564306][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1549.564306][ T73] net_rx_action+0x495/0xbe0 [ 1549.564306][ T73] __do_softirq+0x1b5/0x7f6 [ 1549.564306][ T73] [ 1549.566289][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.566289][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.566289][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.566289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.566289][ T73] ip6_route_add+0x1c/0x140 [ 1549.566289][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1549.566289][ T73] inet6_addr_add+0x4f8/0xa40 [ 1549.566289][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.566289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.566289][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.566289][ T73] netlink_unicast+0x449/0x710 [ 1549.566289][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.566289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.566289][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.566289][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.566289][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.566289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.566289][ T73] [ 1549.568733][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.568733][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.568733][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.568733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.568733][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1549.568733][ T73] ipv6_add_addr+0x411/0x2000 [ 1549.568733][ T73] inet6_addr_add+0x30e/0xa40 [ 1549.568733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.568733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.568733][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.568733][ T73] netlink_unicast+0x449/0x710 [ 1549.568733][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.568733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.568733][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.568733][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.568733][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.568733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.568733][ T73] [ 1549.571183][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.571183][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.571183][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.571183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.571183][ T73] ip6_route_add+0x1c/0x140 [ 1549.571183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1549.571183][ T73] addrconf_add_dev+0xe2/0x170 [ 1549.571183][ T73] inet6_addr_add+0x12f/0xa40 [ 1549.571183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.571183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.571183][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.571183][ T73] netlink_unicast+0x449/0x710 [ 1549.571183][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.571183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.571183][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.571183][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.571183][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.571183][ T73] [ 1549.573655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.573655][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1549.573655][ T73] ipv6_find_idev+0x102/0x170 [ 1549.573655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.573655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.573655][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.573655][ T73] netlink_unicast+0x449/0x710 [ 1549.573655][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.573655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.573655][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.573655][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.573655][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.573655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.573655][ T73] [ 1549.575480][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1549.575480][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1549.575480][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1549.575480][ T73] ipv6_find_idev+0x102/0x170 [ 1549.575480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.575480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.575480][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.575480][ T73] netlink_unicast+0x449/0x710 [ 1549.575480][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.575480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.575480][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.575480][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.575480][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.575480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.575480][ T73] [ 1549.577601][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1549.578347][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1549.578347][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.578347][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.578347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.578347][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1549.578347][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1549.578347][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1549.578347][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1549.578347][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1549.578347][ T73] addrconf_dad_begin+0x310/0x670 [ 1549.578347][ T73] addrconf_dad_work+0x10b/0xab0 [ 1549.578347][ T73] process_one_work+0x84d/0x18a0 [ 1549.578347][ T73] worker_thread+0x587/0xd30 [ 1549.578347][ T73] kthread+0x28a/0x350 [ 1549.578347][ T73] ret_from_fork+0x31/0x70 [ 1549.578347][ T73] ret_from_fork_asm+0x1a/0x30 [ 1549.578347][ T73] [ 1549.580445][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1549.580445][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.580445][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.580445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.580445][ T73] ip6_route_add+0x1c/0x140 [ 1549.580445][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1549.580445][ T73] inet6_addr_add+0x4f8/0xa40 [ 1549.580445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.580445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.580445][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.580445][ T73] netlink_unicast+0x449/0x710 [ 1549.580445][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.580445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.580445][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.580445][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.580445][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.580445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.580445][ T73] [ 1549.582764][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1549.582764][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.582764][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.582764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.582764][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1549.582764][ T73] ipv6_add_addr+0x411/0x2000 [ 1549.582764][ T73] inet6_addr_add+0x30e/0xa40 [ 1549.582764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.582764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.582764][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.582764][ T73] netlink_unicast+0x449/0x710 [ 1549.582764][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.582764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.582764][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.582764][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.582764][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.582764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.582764][ T73] [ 1549.585214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1549.585214][ T73] netdev_get_by_index+0x5e/0x80 [ 1549.585214][ T73] fib6_nh_init+0x3d8/0x1580 [ 1549.585214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1549.585214][ T73] ip6_route_add+0x1c/0x140 [ 1549.585214][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1549.585214][ T73] addrconf_add_dev+0xe2/0x170 [ 1549.585214][ T73] inet6_addr_add+0x12f/0xa40 [ 1549.585214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.585214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.585214][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.585214][ T73] netlink_unicast+0x449/0x710 [ 1549.585214][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.585214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.585214][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.585214][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.585214][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.585214][ T73] [ 1549.587642][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1549.587642][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1549.587642][ T73] ipv6_find_idev+0x102/0x170 [ 1549.587642][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.587642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.587642][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.587642][ T73] netlink_unicast+0x449/0x710 [ 1549.587642][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.587642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.587642][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.587642][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.587642][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.587642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.587642][ T73] [ 1549.589528][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1549.589528][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1549.589528][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1549.589528][ T73] ipv6_find_idev+0x102/0x170 [ 1549.589528][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.589528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.589528][ T73] netlink_rcv_skb+0x130/0x360 [ 1549.589528][ T73] netlink_unicast+0x449/0x710 [ 1549.589528][ T73] netlink_sendmsg+0x723/0xbe0 [ 1549.589528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1549.589528][ T73] ___sys_sendmsg+0xee/0x170 [ 1549.589528][ T73] __sys_sendmsg+0xcd/0x170 [ 1549.589528][ T73] do_syscall_64+0xc6/0x1e0 [ 1549.589528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.589528][ T73] [ 1559.830933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1559.831408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.831408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1559.831408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1559.831408][ T73] fib6_nh_init+0xa22/0x1580 [ 1559.831408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.831408][ T73] ip6_route_add+0x1c/0x140 [ 1559.831408][ T73] inet6_rtm_newroute+0x104/0x110 [ 1559.831408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.831408][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.831408][ T73] netlink_unicast+0x449/0x710 [ 1559.831408][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.831408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.831408][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.831408][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.831408][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.831408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.831408][ T73] [ 1559.833300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.833300][ T73] dst_init+0x84/0x4a0 [ 1559.833300][ T73] dst_alloc+0x97/0x150 [ 1559.833300][ T73] ip6_dst_alloc+0x23/0x90 [ 1559.833300][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1559.833300][ T73] ip6_pol_route+0x56f/0x840 [ 1559.833300][ T73] fib6_rule_lookup+0x456/0x630 [ 1559.833300][ T73] ip6_route_input+0x59c/0xa50 [ 1559.833300][ T73] ipv6_rcv+0x397/0x810 [ 1559.833300][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1559.833300][ T73] process_backlog+0x101/0x620 [ 1559.833300][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1559.833300][ T73] net_rx_action+0x495/0xbe0 [ 1559.833300][ T73] __do_softirq+0x1b5/0x7f6 [ 1559.833300][ T73] [ 1559.834922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.834922][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.834922][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.834922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.834922][ T73] ip6_route_add+0x1c/0x140 [ 1559.834922][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1559.834922][ T73] inet6_addr_add+0x4f8/0xa40 [ 1559.834922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.834922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.834922][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.834922][ T73] netlink_unicast+0x449/0x710 [ 1559.834922][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.834922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.834922][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.834922][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.834922][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.834922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.834922][ T73] [ 1559.837416][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.837416][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.837416][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.837416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.837416][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1559.837416][ T73] ipv6_add_addr+0x411/0x2000 [ 1559.837416][ T73] inet6_addr_add+0x30e/0xa40 [ 1559.837416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.837416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.837416][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.837416][ T73] netlink_unicast+0x449/0x710 [ 1559.837416][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.837416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.837416][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.837416][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.837416][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.837416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.837416][ T73] [ 1559.839408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.839408][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.839408][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.839408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.839408][ T73] ip6_route_add+0x1c/0x140 [ 1559.839408][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1559.839408][ T73] addrconf_add_dev+0xe2/0x170 [ 1559.839408][ T73] inet6_addr_add+0x12f/0xa40 [ 1559.839408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.839408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.839408][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.839408][ T73] netlink_unicast+0x449/0x710 [ 1559.839408][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.839408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.839408][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.839408][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.839408][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.839408][ T73] [ 1559.841356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.841356][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1559.841356][ T73] ipv6_find_idev+0x102/0x170 [ 1559.841356][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.841356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.841356][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.841356][ T73] netlink_unicast+0x449/0x710 [ 1559.841356][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.841356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.841356][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.841356][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.841356][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.841356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.841356][ T73] [ 1559.842882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1559.842882][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1559.842882][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1559.842882][ T73] ipv6_find_idev+0x102/0x170 [ 1559.842882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.842882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.842882][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.842882][ T73] netlink_unicast+0x449/0x710 [ 1559.842882][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.842882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.842882][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.842882][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.842882][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.842882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.842882][ T73] [ 1559.844678][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1559.844963][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.844963][ T73] dst_init+0x84/0x4a0 [ 1559.844963][ T73] dst_alloc+0x97/0x150 [ 1559.844963][ T73] ip6_dst_alloc+0x23/0x90 [ 1559.844963][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1559.844963][ T73] ip6_pol_route+0x56f/0x840 [ 1559.844963][ T73] fib6_rule_lookup+0x456/0x630 [ 1559.844963][ T73] ip6_route_input+0x59c/0xa50 [ 1559.844963][ T73] ipv6_rcv+0x397/0x810 [ 1559.844963][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1559.844963][ T73] process_backlog+0x101/0x620 [ 1559.844963][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1559.844963][ T73] net_rx_action+0x495/0xbe0 [ 1559.844963][ T73] __do_softirq+0x1b5/0x7f6 [ 1559.844963][ T73] [ 1559.846591][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.846591][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.846591][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.846591][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.846591][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1559.846591][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1559.846591][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1559.846591][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1559.846591][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1559.846591][ T73] addrconf_dad_begin+0x310/0x670 [ 1559.846591][ T73] addrconf_dad_work+0x10b/0xab0 [ 1559.846591][ T73] process_one_work+0x84d/0x18a0 [ 1559.846591][ T73] worker_thread+0x587/0xd30 [ 1559.846591][ T73] kthread+0x28a/0x350 [ 1559.846591][ T73] ret_from_fork+0x31/0x70 [ 1559.846591][ T73] ret_from_fork_asm+0x1a/0x30 [ 1559.846591][ T73] [ 1559.848491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.848491][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.848491][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.848491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.848491][ T73] ip6_route_add+0x1c/0x140 [ 1559.848491][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1559.848491][ T73] inet6_addr_add+0x4f8/0xa40 [ 1559.848491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.848491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.848491][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.848491][ T73] netlink_unicast+0x449/0x710 [ 1559.848491][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.848491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.848491][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.848491][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.848491][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.848491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.848491][ T73] [ 1559.850489][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.850489][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.850489][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.850489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.850489][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1559.850489][ T73] ipv6_add_addr+0x411/0x2000 [ 1559.850489][ T73] inet6_addr_add+0x30e/0xa40 [ 1559.850489][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.850489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.850489][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.850489][ T73] netlink_unicast+0x449/0x710 [ 1559.850489][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.850489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.850489][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.850489][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.850489][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.850489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.850489][ T73] [ 1559.852860][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.852860][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.852860][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.852860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.852860][ T73] ip6_route_add+0x1c/0x140 [ 1559.852860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1559.852860][ T73] addrconf_add_dev+0xe2/0x170 [ 1559.852860][ T73] inet6_addr_add+0x12f/0xa40 [ 1559.852860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.852860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.852860][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.852860][ T73] netlink_unicast+0x449/0x710 [ 1559.852860][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.852860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.852860][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.852860][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.852860][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.852860][ T73] [ 1559.854827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.854827][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1559.854827][ T73] ipv6_find_idev+0x102/0x170 [ 1559.854827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.854827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.854827][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.854827][ T73] netlink_unicast+0x449/0x710 [ 1559.854827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.854827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.854827][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.854827][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.854827][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.854827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.854827][ T73] [ 1559.856349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1559.856349][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1559.856349][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1559.856349][ T73] ipv6_find_idev+0x102/0x170 [ 1559.856349][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.856349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.856349][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.856349][ T73] netlink_unicast+0x449/0x710 [ 1559.856349][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.856349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.856349][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.856349][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.856349][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.856349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.856349][ T73] [ 1559.858148][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1559.858421][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.858421][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1559.858421][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1559.858421][ T73] fib6_nh_init+0xa22/0x1580 [ 1559.858421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.858421][ T73] ip6_route_add+0x1c/0x140 [ 1559.858421][ T73] inet6_rtm_newroute+0x104/0x110 [ 1559.858421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.858421][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.858421][ T73] netlink_unicast+0x449/0x710 [ 1559.858421][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.858421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.858421][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.858421][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.858421][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.858421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.858421][ T73] [ 1559.860527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.860527][ T73] dst_init+0x84/0x4a0 [ 1559.860527][ T73] dst_alloc+0x97/0x150 [ 1559.860527][ T73] ip6_dst_alloc+0x23/0x90 [ 1559.860527][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1559.860527][ T73] ip6_pol_route+0x56f/0x840 [ 1559.860527][ T73] fib6_rule_lookup+0x456/0x630 [ 1559.860527][ T73] ip6_route_input+0x59c/0xa50 [ 1559.860527][ T73] ipv6_rcv+0x397/0x810 [ 1559.860527][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1559.860527][ T73] process_backlog+0x101/0x620 [ 1559.860527][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1559.860527][ T73] net_rx_action+0x495/0xbe0 [ 1559.860527][ T73] __do_softirq+0x1b5/0x7f6 [ 1559.860527][ T73] [ 1559.862325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.862325][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.862325][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.862325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.862325][ T73] ip6_route_add+0x1c/0x140 [ 1559.862325][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1559.862325][ T73] inet6_addr_add+0x4f8/0xa40 [ 1559.862325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.862325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.862325][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.862325][ T73] netlink_unicast+0x449/0x710 [ 1559.862325][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.862325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.862325][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.862325][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.862325][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.862325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.862325][ T73] [ 1559.864611][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.864611][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.864611][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.864611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.864611][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1559.864611][ T73] ipv6_add_addr+0x411/0x2000 [ 1559.864611][ T73] inet6_addr_add+0x30e/0xa40 [ 1559.864611][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.864611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.864611][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.864611][ T73] netlink_unicast+0x449/0x710 [ 1559.864611][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.864611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.864611][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.864611][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.864611][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.864611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.864611][ T73] [ 1559.866836][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.866836][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.866836][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.866836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.866836][ T73] ip6_route_add+0x1c/0x140 [ 1559.866836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1559.866836][ T73] addrconf_add_dev+0xe2/0x170 [ 1559.866836][ T73] inet6_addr_add+0x12f/0xa40 [ 1559.866836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.866836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.866836][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.866836][ T73] netlink_unicast+0x449/0x710 [ 1559.866836][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.866836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.866836][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.866836][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.866836][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.866836][ T73] [ 1559.869020][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.869020][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1559.869020][ T73] ipv6_find_idev+0x102/0x170 [ 1559.869020][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.869020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.869020][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.869020][ T73] netlink_unicast+0x449/0x710 [ 1559.869020][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.869020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.869020][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.869020][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.869020][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.869020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.869020][ T73] [ 1559.870666][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1559.870666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1559.870666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1559.870666][ T73] ipv6_find_idev+0x102/0x170 [ 1559.870666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.870666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.870666][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.870666][ T73] netlink_unicast+0x449/0x710 [ 1559.870666][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.870666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.870666][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.870666][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.870666][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.870666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.870666][ T73] [ 1559.872578][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1559.873287][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1559.873287][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.873287][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.873287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.873287][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1559.873287][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1559.873287][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1559.873287][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1559.873287][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1559.873287][ T73] addrconf_dad_begin+0x310/0x670 [ 1559.873287][ T73] addrconf_dad_work+0x10b/0xab0 [ 1559.873287][ T73] process_one_work+0x84d/0x18a0 [ 1559.873287][ T73] worker_thread+0x587/0xd30 [ 1559.873287][ T73] kthread+0x28a/0x350 [ 1559.873287][ T73] ret_from_fork+0x31/0x70 [ 1559.873287][ T73] ret_from_fork_asm+0x1a/0x30 [ 1559.873287][ T73] [ 1559.875171][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1559.875171][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.875171][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.875171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.875171][ T73] ip6_route_add+0x1c/0x140 [ 1559.875171][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1559.875171][ T73] inet6_addr_add+0x4f8/0xa40 [ 1559.875171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.875171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.875171][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.875171][ T73] netlink_unicast+0x449/0x710 [ 1559.875171][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.875171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.875171][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.875171][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.875171][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.875171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.875171][ T73] [ 1559.877346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1559.877346][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.877346][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.877346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.877346][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1559.877346][ T73] ipv6_add_addr+0x411/0x2000 [ 1559.877346][ T73] inet6_addr_add+0x30e/0xa40 [ 1559.877346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.877346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.877346][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.877346][ T73] netlink_unicast+0x449/0x710 [ 1559.877346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.877346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.877346][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.877346][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.877346][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.877346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.877346][ T73] [ 1559.879577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1559.879577][ T73] netdev_get_by_index+0x5e/0x80 [ 1559.879577][ T73] fib6_nh_init+0x3d8/0x1580 [ 1559.879577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1559.879577][ T73] ip6_route_add+0x1c/0x140 [ 1559.879577][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1559.879577][ T73] addrconf_add_dev+0xe2/0x170 [ 1559.879577][ T73] inet6_addr_add+0x12f/0xa40 [ 1559.879577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.879577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.879577][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.879577][ T73] netlink_unicast+0x449/0x710 [ 1559.879577][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.879577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.879577][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.879577][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.879577][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.879577][ T73] [ 1559.881714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1559.881714][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1559.881714][ T73] ipv6_find_idev+0x102/0x170 [ 1559.881714][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.881714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.881714][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.881714][ T73] netlink_unicast+0x449/0x710 [ 1559.881714][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.881714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.881714][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.881714][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.881714][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.881714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.881714][ T73] [ 1559.883423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1559.883423][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1559.883423][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1559.883423][ T73] ipv6_find_idev+0x102/0x170 [ 1559.883423][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.883423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.883423][ T73] netlink_rcv_skb+0x130/0x360 [ 1559.883423][ T73] netlink_unicast+0x449/0x710 [ 1559.883423][ T73] netlink_sendmsg+0x723/0xbe0 [ 1559.883423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1559.883423][ T73] ___sys_sendmsg+0xee/0x170 [ 1559.883423][ T73] __sys_sendmsg+0xcd/0x170 [ 1559.883423][ T73] do_syscall_64+0xc6/0x1e0 [ 1559.883423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.883423][ T73] [ 1570.126906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1570.127361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.127361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1570.127361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1570.127361][ T73] fib6_nh_init+0xa22/0x1580 [ 1570.127361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.127361][ T73] ip6_route_add+0x1c/0x140 [ 1570.127361][ T73] inet6_rtm_newroute+0x104/0x110 [ 1570.127361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.127361][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.127361][ T73] netlink_unicast+0x449/0x710 [ 1570.127361][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.127361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.127361][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.127361][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.127361][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.127361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.127361][ T73] [ 1570.129250][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.129250][ T73] dst_init+0x84/0x4a0 [ 1570.129250][ T73] dst_alloc+0x97/0x150 [ 1570.129250][ T73] ip6_dst_alloc+0x23/0x90 [ 1570.129250][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1570.129250][ T73] ip6_pol_route+0x56f/0x840 [ 1570.129250][ T73] fib6_rule_lookup+0x456/0x630 [ 1570.129250][ T73] ip6_route_input+0x59c/0xa50 [ 1570.129250][ T73] ipv6_rcv+0x397/0x810 [ 1570.129250][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1570.129250][ T73] process_backlog+0x101/0x620 [ 1570.129250][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1570.129250][ T73] net_rx_action+0x495/0xbe0 [ 1570.129250][ T73] __do_softirq+0x1b5/0x7f6 [ 1570.129250][ T73] [ 1570.130884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.130884][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.130884][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.130884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.130884][ T73] ip6_route_add+0x1c/0x140 [ 1570.130884][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1570.130884][ T73] inet6_addr_add+0x4f8/0xa40 [ 1570.130884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.130884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.130884][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.130884][ T73] netlink_unicast+0x449/0x710 [ 1570.130884][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.130884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.130884][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.130884][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.130884][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.130884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.130884][ T73] [ 1570.132888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.132888][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.132888][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.132888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.132888][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1570.132888][ T73] ipv6_add_addr+0x411/0x2000 [ 1570.132888][ T73] inet6_addr_add+0x30e/0xa40 [ 1570.132888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.132888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.132888][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.132888][ T73] netlink_unicast+0x449/0x710 [ 1570.132888][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.132888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.132888][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.132888][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.132888][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.132888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.132888][ T73] [ 1570.134895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.134895][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.134895][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.134895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.134895][ T73] ip6_route_add+0x1c/0x140 [ 1570.134895][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1570.134895][ T73] addrconf_add_dev+0xe2/0x170 [ 1570.134895][ T73] inet6_addr_add+0x12f/0xa40 [ 1570.134895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.134895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.134895][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.134895][ T73] netlink_unicast+0x449/0x710 [ 1570.134895][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.134895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.134895][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.134895][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.134895][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.134895][ T73] [ 1570.136852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.136852][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1570.136852][ T73] ipv6_find_idev+0x102/0x170 [ 1570.136852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.136852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.136852][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.136852][ T73] netlink_unicast+0x449/0x710 [ 1570.136852][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.136852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.136852][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.136852][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.136852][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.136852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.136852][ T73] [ 1570.138387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1570.138387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1570.138387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1570.138387][ T73] ipv6_find_idev+0x102/0x170 [ 1570.138387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.138387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.138387][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.138387][ T73] netlink_unicast+0x449/0x710 [ 1570.138387][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.138387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.138387][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.138387][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.138387][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.138387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.138387][ T73] [ 1570.140077][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1570.140354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.140354][ T73] dst_init+0x84/0x4a0 [ 1570.140354][ T73] dst_alloc+0x97/0x150 [ 1570.140354][ T73] ip6_dst_alloc+0x23/0x90 [ 1570.140354][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1570.140354][ T73] ip6_pol_route+0x56f/0x840 [ 1570.140354][ T73] fib6_rule_lookup+0x456/0x630 [ 1570.140354][ T73] ip6_route_input+0x59c/0xa50 [ 1570.140354][ T73] ipv6_rcv+0x397/0x810 [ 1570.140354][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1570.140354][ T73] process_backlog+0x101/0x620 [ 1570.140354][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1570.140354][ T73] net_rx_action+0x495/0xbe0 [ 1570.140354][ T73] __do_softirq+0x1b5/0x7f6 [ 1570.140354][ T73] [ 1570.141985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.141985][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.141985][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.141985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.141985][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1570.141985][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1570.141985][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1570.141985][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1570.141985][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1570.141985][ T73] addrconf_dad_begin+0x310/0x670 [ 1570.141985][ T73] addrconf_dad_work+0x10b/0xab0 [ 1570.141985][ T73] process_one_work+0x84d/0x18a0 [ 1570.141985][ T73] worker_thread+0x587/0xd30 [ 1570.141985][ T73] kthread+0x28a/0x350 [ 1570.141985][ T73] ret_from_fork+0x31/0x70 [ 1570.141985][ T73] ret_from_fork_asm+0x1a/0x30 [ 1570.141985][ T73] [ 1570.143893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.143893][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.143893][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.143893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.143893][ T73] ip6_route_add+0x1c/0x140 [ 1570.143893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1570.143893][ T73] inet6_addr_add+0x4f8/0xa40 [ 1570.143893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.143893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.143893][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.143893][ T73] netlink_unicast+0x449/0x710 [ 1570.143893][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.143893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.143893][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.143893][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.143893][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.143893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.143893][ T73] [ 1570.145892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.145892][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.145892][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.145892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.145892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1570.145892][ T73] ipv6_add_addr+0x411/0x2000 [ 1570.145892][ T73] inet6_addr_add+0x30e/0xa40 [ 1570.145892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.145892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.145892][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.145892][ T73] netlink_unicast+0x449/0x710 [ 1570.145892][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.145892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.145892][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.145892][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.145892][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.145892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.145892][ T73] [ 1570.147880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.147880][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.147880][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.147880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.147880][ T73] ip6_route_add+0x1c/0x140 [ 1570.147880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1570.147880][ T73] addrconf_add_dev+0xe2/0x170 [ 1570.147880][ T73] inet6_addr_add+0x12f/0xa40 [ 1570.147880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.147880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.147880][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.147880][ T73] netlink_unicast+0x449/0x710 [ 1570.147880][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.147880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.147880][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.147880][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.147880][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.147880][ T73] [ 1570.149833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.149833][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1570.149833][ T73] ipv6_find_idev+0x102/0x170 [ 1570.149833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.149833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.149833][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.149833][ T73] netlink_unicast+0x449/0x710 [ 1570.149833][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.149833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.149833][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.149833][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.149833][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.149833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.149833][ T73] [ 1570.151360][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1570.151360][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1570.151360][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1570.151360][ T73] ipv6_find_idev+0x102/0x170 [ 1570.151360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.151360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.151360][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.151360][ T73] netlink_unicast+0x449/0x710 [ 1570.151360][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.151360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.151360][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.151360][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.151360][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.151360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.151360][ T73] [ 1570.153169][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1570.153443][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.153443][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1570.153443][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1570.153443][ T73] fib6_nh_init+0xa22/0x1580 [ 1570.153443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.153443][ T73] ip6_route_add+0x1c/0x140 [ 1570.153443][ T73] inet6_rtm_newroute+0x104/0x110 [ 1570.153443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.153443][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.153443][ T73] netlink_unicast+0x449/0x710 [ 1570.153443][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.153443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.153443][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.153443][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.153443][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.153443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.153443][ T73] [ 1570.155618][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.155618][ T73] dst_init+0x84/0x4a0 [ 1570.155618][ T73] dst_alloc+0x97/0x150 [ 1570.155618][ T73] ip6_dst_alloc+0x23/0x90 [ 1570.155618][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1570.155618][ T73] ip6_pol_route+0x56f/0x840 [ 1570.155618][ T73] fib6_rule_lookup+0x456/0x630 [ 1570.155618][ T73] ip6_route_input+0x59c/0xa50 [ 1570.155618][ T73] ipv6_rcv+0x397/0x810 [ 1570.155618][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1570.155618][ T73] process_backlog+0x101/0x620 [ 1570.155618][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1570.155618][ T73] net_rx_action+0x495/0xbe0 [ 1570.155618][ T73] __do_softirq+0x1b5/0x7f6 [ 1570.155618][ T73] [ 1570.157426][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.157426][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.157426][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.157426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.157426][ T73] ip6_route_add+0x1c/0x140 [ 1570.157426][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1570.157426][ T73] inet6_addr_add+0x4f8/0xa40 [ 1570.157426][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.157426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.157426][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.157426][ T73] netlink_unicast+0x449/0x710 [ 1570.157426][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.157426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.157426][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.157426][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.157426][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.157426][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.157426][ T73] [ 1570.159656][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.159656][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.159656][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.159656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.159656][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1570.159656][ T73] ipv6_add_addr+0x411/0x2000 [ 1570.159656][ T73] inet6_addr_add+0x30e/0xa40 [ 1570.159656][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.159656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.159656][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.159656][ T73] netlink_unicast+0x449/0x710 [ 1570.159656][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.159656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.159656][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.159656][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.159656][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.159656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.159656][ T73] [ 1570.161887][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.161887][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.161887][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.161887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.161887][ T73] ip6_route_add+0x1c/0x140 [ 1570.161887][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1570.161887][ T73] addrconf_add_dev+0xe2/0x170 [ 1570.161887][ T73] inet6_addr_add+0x12f/0xa40 [ 1570.161887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.161887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.161887][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.161887][ T73] netlink_unicast+0x449/0x710 [ 1570.161887][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.161887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.161887][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.161887][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.161887][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.161887][ T73] [ 1570.164084][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.164084][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1570.164084][ T73] ipv6_find_idev+0x102/0x170 [ 1570.164084][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.164084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.164084][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.164084][ T73] netlink_unicast+0x449/0x710 [ 1570.164084][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.164084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.164084][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.164084][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.164084][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.164084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.164084][ T73] [ 1570.165805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1570.165805][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1570.165805][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1570.165805][ T73] ipv6_find_idev+0x102/0x170 [ 1570.165805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.165805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.165805][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.165805][ T73] netlink_unicast+0x449/0x710 [ 1570.165805][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.165805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.165805][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.165805][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.165805][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.165805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.165805][ T73] [ 1570.167725][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1570.168425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1570.168425][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.168425][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.168425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.168425][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1570.168425][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1570.168425][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1570.168425][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1570.168425][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1570.168425][ T73] addrconf_dad_begin+0x310/0x670 [ 1570.168425][ T73] addrconf_dad_work+0x10b/0xab0 [ 1570.168425][ T73] process_one_work+0x84d/0x18a0 [ 1570.168425][ T73] worker_thread+0x587/0xd30 [ 1570.168425][ T73] kthread+0x28a/0x350 [ 1570.168425][ T73] ret_from_fork+0x31/0x70 [ 1570.168425][ T73] ret_from_fork_asm+0x1a/0x30 [ 1570.168425][ T73] [ 1570.170342][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1570.170342][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.170342][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.170342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.170342][ T73] ip6_route_add+0x1c/0x140 [ 1570.170342][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1570.170342][ T73] inet6_addr_add+0x4f8/0xa40 [ 1570.170342][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.170342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.170342][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.170342][ T73] netlink_unicast+0x449/0x710 [ 1570.170342][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.170342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.170342][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.170342][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.170342][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.170342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.170342][ T73] [ 1570.172447][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1570.172447][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.172447][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.172447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.172447][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1570.172447][ T73] ipv6_add_addr+0x411/0x2000 [ 1570.172447][ T73] inet6_addr_add+0x30e/0xa40 [ 1570.172447][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.172447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.172447][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.172447][ T73] netlink_unicast+0x449/0x710 [ 1570.172447][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.172447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.172447][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.172447][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.172447][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.172447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.172447][ T73] [ 1570.174678][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1570.174678][ T73] netdev_get_by_index+0x5e/0x80 [ 1570.174678][ T73] fib6_nh_init+0x3d8/0x1580 [ 1570.174678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1570.174678][ T73] ip6_route_add+0x1c/0x140 [ 1570.174678][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1570.174678][ T73] addrconf_add_dev+0xe2/0x170 [ 1570.174678][ T73] inet6_addr_add+0x12f/0xa40 [ 1570.174678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.174678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.174678][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.174678][ T73] netlink_unicast+0x449/0x710 [ 1570.174678][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.174678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.174678][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.174678][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.174678][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.174678][ T73] [ 1570.176809][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1570.176809][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1570.176809][ T73] ipv6_find_idev+0x102/0x170 [ 1570.176809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.176809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.176809][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.176809][ T73] netlink_unicast+0x449/0x710 [ 1570.176809][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.176809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.176809][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.176809][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.176809][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.176809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.176809][ T73] [ 1570.178608][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1570.178608][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1570.178608][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1570.178608][ T73] ipv6_find_idev+0x102/0x170 [ 1570.178608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.178608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.178608][ T73] netlink_rcv_skb+0x130/0x360 [ 1570.178608][ T73] netlink_unicast+0x449/0x710 [ 1570.178608][ T73] netlink_sendmsg+0x723/0xbe0 [ 1570.178608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1570.178608][ T73] ___sys_sendmsg+0xee/0x170 [ 1570.178608][ T73] __sys_sendmsg+0xcd/0x170 [ 1570.178608][ T73] do_syscall_64+0xc6/0x1e0 [ 1570.178608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.178608][ T73] [ 1580.422856][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1580.423387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.423387][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1580.423387][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1580.423387][ T73] fib6_nh_init+0xa22/0x1580 [ 1580.423387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.423387][ T73] ip6_route_add+0x1c/0x140 [ 1580.423387][ T73] inet6_rtm_newroute+0x104/0x110 [ 1580.423387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.423387][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.423387][ T73] netlink_unicast+0x449/0x710 [ 1580.423387][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.423387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.423387][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.423387][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.423387][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.423387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.423387][ T73] [ 1580.425505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.425505][ T73] dst_init+0x84/0x4a0 [ 1580.425505][ T73] dst_alloc+0x97/0x150 [ 1580.425505][ T73] ip6_dst_alloc+0x23/0x90 [ 1580.425505][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1580.425505][ T73] ip6_pol_route+0x56f/0x840 [ 1580.425505][ T73] fib6_rule_lookup+0x456/0x630 [ 1580.425505][ T73] ip6_route_input+0x59c/0xa50 [ 1580.425505][ T73] ipv6_rcv+0x397/0x810 [ 1580.425505][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1580.425505][ T73] process_backlog+0x101/0x620 [ 1580.425505][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1580.425505][ T73] net_rx_action+0x495/0xbe0 [ 1580.425505][ T73] __do_softirq+0x1b5/0x7f6 [ 1580.425505][ T73] [ 1580.427452][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.427452][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.427452][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.427452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.427452][ T73] ip6_route_add+0x1c/0x140 [ 1580.427452][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1580.427452][ T73] inet6_addr_add+0x4f8/0xa40 [ 1580.427452][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.427452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.427452][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.427452][ T73] netlink_unicast+0x449/0x710 [ 1580.427452][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.427452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.427452][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.427452][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.427452][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.427452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.427452][ T73] [ 1580.429797][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.429797][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.429797][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.429797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.429797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1580.429797][ T73] ipv6_add_addr+0x411/0x2000 [ 1580.429797][ T73] inet6_addr_add+0x30e/0xa40 [ 1580.429797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.429797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.429797][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.429797][ T73] netlink_unicast+0x449/0x710 [ 1580.429797][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.429797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.429797][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.429797][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.429797][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.429797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.429797][ T73] [ 1580.432189][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.432189][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.432189][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.432189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.432189][ T73] ip6_route_add+0x1c/0x140 [ 1580.432189][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1580.432189][ T73] addrconf_add_dev+0xe2/0x170 [ 1580.432189][ T73] inet6_addr_add+0x12f/0xa40 [ 1580.432189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.432189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.432189][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.432189][ T73] netlink_unicast+0x449/0x710 [ 1580.432189][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.432189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.432189][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.432189][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.432189][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.432189][ T73] [ 1580.434500][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.434500][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1580.434500][ T73] ipv6_find_idev+0x102/0x170 [ 1580.434500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.434500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.434500][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.434500][ T73] netlink_unicast+0x449/0x710 [ 1580.434500][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.434500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.434500][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.434500][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.434500][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.434500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.434500][ T73] [ 1580.436328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1580.436328][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1580.436328][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1580.436328][ T73] ipv6_find_idev+0x102/0x170 [ 1580.436328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.436328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.436328][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.436328][ T73] netlink_unicast+0x449/0x710 [ 1580.436328][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.436328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.436328][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.436328][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.436328][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.436328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.436328][ T73] [ 1580.438298][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1580.438626][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.438626][ T73] dst_init+0x84/0x4a0 [ 1580.438626][ T73] dst_alloc+0x97/0x150 [ 1580.438626][ T73] ip6_dst_alloc+0x23/0x90 [ 1580.438626][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1580.438626][ T73] ip6_pol_route+0x56f/0x840 [ 1580.438626][ T73] fib6_rule_lookup+0x456/0x630 [ 1580.438626][ T73] ip6_route_input+0x59c/0xa50 [ 1580.438626][ T73] ipv6_rcv+0x397/0x810 [ 1580.438626][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1580.438626][ T73] process_backlog+0x101/0x620 [ 1580.438626][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1580.438626][ T73] net_rx_action+0x495/0xbe0 [ 1580.438626][ T73] __do_softirq+0x1b5/0x7f6 [ 1580.438626][ T73] [ 1580.440477][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.440477][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.440477][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.440477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.440477][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1580.440477][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1580.440477][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1580.440477][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1580.440477][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1580.440477][ T73] addrconf_dad_begin+0x310/0x670 [ 1580.440477][ T73] addrconf_dad_work+0x10b/0xab0 [ 1580.440477][ T73] process_one_work+0x84d/0x18a0 [ 1580.440477][ T73] worker_thread+0x587/0xd30 [ 1580.440477][ T73] kthread+0x28a/0x350 [ 1580.440477][ T73] ret_from_fork+0x31/0x70 [ 1580.440477][ T73] ret_from_fork_asm+0x1a/0x30 [ 1580.440477][ T73] [ 1580.442615][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.442615][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.442615][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.442615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.442615][ T73] ip6_route_add+0x1c/0x140 [ 1580.442615][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1580.442615][ T73] inet6_addr_add+0x4f8/0xa40 [ 1580.442615][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.442615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.442615][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.442615][ T73] netlink_unicast+0x449/0x710 [ 1580.442615][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.442615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.442615][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.442615][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.442615][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.442615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.442615][ T73] [ 1580.444932][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.444932][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.444932][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.444932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.444932][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1580.444932][ T73] ipv6_add_addr+0x411/0x2000 [ 1580.444932][ T73] inet6_addr_add+0x30e/0xa40 [ 1580.444932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.444932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.444932][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.444932][ T73] netlink_unicast+0x449/0x710 [ 1580.444932][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.444932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.444932][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.444932][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.444932][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.444932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.444932][ T73] [ 1580.447245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.447245][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.447245][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.447245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.447245][ T73] ip6_route_add+0x1c/0x140 [ 1580.447245][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1580.447245][ T73] addrconf_add_dev+0xe2/0x170 [ 1580.447245][ T73] inet6_addr_add+0x12f/0xa40 [ 1580.447245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.447245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.447245][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.447245][ T73] netlink_unicast+0x449/0x710 [ 1580.447245][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.447245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.447245][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.447245][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.447245][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.447245][ T73] [ 1580.449553][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.449553][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1580.449553][ T73] ipv6_find_idev+0x102/0x170 [ 1580.449553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.449553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.449553][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.449553][ T73] netlink_unicast+0x449/0x710 [ 1580.449553][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.449553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.449553][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.449553][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.449553][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.449553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.449553][ T73] [ 1580.451763][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1580.451763][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1580.451763][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1580.451763][ T73] ipv6_find_idev+0x102/0x170 [ 1580.451763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.451763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.451763][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.451763][ T73] netlink_unicast+0x449/0x710 [ 1580.451763][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.451763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.451763][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.451763][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.451763][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.451763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.451763][ T73] [ 1580.453892][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1580.454202][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.454202][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1580.454202][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1580.454202][ T73] fib6_nh_init+0xa22/0x1580 [ 1580.454202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.454202][ T73] ip6_route_add+0x1c/0x140 [ 1580.454202][ T73] inet6_rtm_newroute+0x104/0x110 [ 1580.454202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.454202][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.454202][ T73] netlink_unicast+0x449/0x710 [ 1580.454202][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.454202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.454202][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.454202][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.454202][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.454202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.454202][ T73] [ 1580.456671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.456671][ T73] dst_init+0x84/0x4a0 [ 1580.456671][ T73] dst_alloc+0x97/0x150 [ 1580.456671][ T73] ip6_dst_alloc+0x23/0x90 [ 1580.456671][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1580.456671][ T73] ip6_pol_route+0x56f/0x840 [ 1580.456671][ T73] fib6_rule_lookup+0x456/0x630 [ 1580.456671][ T73] ip6_route_input+0x59c/0xa50 [ 1580.456671][ T73] ipv6_rcv+0x397/0x810 [ 1580.456671][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1580.456671][ T73] process_backlog+0x101/0x620 [ 1580.456671][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1580.456671][ T73] net_rx_action+0x495/0xbe0 [ 1580.456671][ T73] __do_softirq+0x1b5/0x7f6 [ 1580.456671][ T73] [ 1580.458640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.458640][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.458640][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.458640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.458640][ T73] ip6_route_add+0x1c/0x140 [ 1580.458640][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1580.458640][ T73] inet6_addr_add+0x4f8/0xa40 [ 1580.458640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.458640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.458640][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.458640][ T73] netlink_unicast+0x449/0x710 [ 1580.458640][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.458640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.458640][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.458640][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.458640][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.458640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.458640][ T73] [ 1580.461128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.461128][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.461128][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.461128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.461128][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1580.461128][ T73] ipv6_add_addr+0x411/0x2000 [ 1580.461128][ T73] inet6_addr_add+0x30e/0xa40 [ 1580.461128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.461128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.461128][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.461128][ T73] netlink_unicast+0x449/0x710 [ 1580.461128][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.461128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.461128][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.461128][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.461128][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.461128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.461128][ T73] [ 1580.463762][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.463762][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.463762][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.463762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.463762][ T73] ip6_route_add+0x1c/0x140 [ 1580.463762][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1580.463762][ T73] addrconf_add_dev+0xe2/0x170 [ 1580.463762][ T73] inet6_addr_add+0x12f/0xa40 [ 1580.463762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.463762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.463762][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.463762][ T73] netlink_unicast+0x449/0x710 [ 1580.463762][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.463762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.463762][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.463762][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.463762][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.463762][ T73] [ 1580.466239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.466239][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1580.466239][ T73] ipv6_find_idev+0x102/0x170 [ 1580.466239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.466239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.466239][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.466239][ T73] netlink_unicast+0x449/0x710 [ 1580.466239][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.466239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.466239][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.466239][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.466239][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.466239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.466239][ T73] [ 1580.468252][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1580.468252][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1580.468252][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1580.468252][ T73] ipv6_find_idev+0x102/0x170 [ 1580.468252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.468252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.468252][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.468252][ T73] netlink_unicast+0x449/0x710 [ 1580.468252][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.468252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.468252][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.468252][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.468252][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.468252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.468252][ T73] [ 1580.470446][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1580.470774][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1580.470774][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.470774][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.470774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.470774][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1580.470774][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1580.470774][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1580.470774][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1580.470774][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1580.470774][ T73] addrconf_dad_begin+0x310/0x670 [ 1580.470774][ T73] addrconf_dad_work+0x10b/0xab0 [ 1580.470774][ T73] process_one_work+0x84d/0x18a0 [ 1580.470774][ T73] worker_thread+0x587/0xd30 [ 1580.470774][ T73] kthread+0x28a/0x350 [ 1580.470774][ T73] ret_from_fork+0x31/0x70 [ 1580.470774][ T73] ret_from_fork_asm+0x1a/0x30 [ 1580.470774][ T73] [ 1580.473315][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1580.473315][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.473315][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.473315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.473315][ T73] ip6_route_add+0x1c/0x140 [ 1580.473315][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1580.473315][ T73] inet6_addr_add+0x4f8/0xa40 [ 1580.473315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.473315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.473315][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.473315][ T73] netlink_unicast+0x449/0x710 [ 1580.473315][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.473315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.473315][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.473315][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.473315][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.473315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.473315][ T73] [ 1580.475875][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1580.475875][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.475875][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.475875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.475875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1580.475875][ T73] ipv6_add_addr+0x411/0x2000 [ 1580.475875][ T73] inet6_addr_add+0x30e/0xa40 [ 1580.475875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.475875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.475875][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.475875][ T73] netlink_unicast+0x449/0x710 [ 1580.475875][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.475875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.475875][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.475875][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.475875][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.475875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.475875][ T73] [ 1580.478339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1580.478339][ T73] netdev_get_by_index+0x5e/0x80 [ 1580.478339][ T73] fib6_nh_init+0x3d8/0x1580 [ 1580.478339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1580.478339][ T73] ip6_route_add+0x1c/0x140 [ 1580.478339][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1580.478339][ T73] addrconf_add_dev+0xe2/0x170 [ 1580.478339][ T73] inet6_addr_add+0x12f/0xa40 [ 1580.478339][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.478339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.478339][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.478339][ T73] netlink_unicast+0x449/0x710 [ 1580.478339][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.478339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.478339][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.478339][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.478339][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.478339][ T73] [ 1580.480837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1580.480837][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1580.480837][ T73] ipv6_find_idev+0x102/0x170 [ 1580.480837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.480837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.480837][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.480837][ T73] netlink_unicast+0x449/0x710 [ 1580.480837][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.480837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.480837][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.480837][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.480837][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.480837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.480837][ T73] [ 1580.482854][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1580.482854][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1580.482854][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1580.482854][ T73] ipv6_find_idev+0x102/0x170 [ 1580.482854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.482854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.482854][ T73] netlink_rcv_skb+0x130/0x360 [ 1580.482854][ T73] netlink_unicast+0x449/0x710 [ 1580.482854][ T73] netlink_sendmsg+0x723/0xbe0 [ 1580.482854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1580.482854][ T73] ___sys_sendmsg+0xee/0x170 [ 1580.482854][ T73] __sys_sendmsg+0xcd/0x170 [ 1580.482854][ T73] do_syscall_64+0xc6/0x1e0 [ 1580.482854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.482854][ T73] [ 1590.839051][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1590.839565][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.839565][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1590.839565][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1590.839565][ T73] fib6_nh_init+0xa22/0x1580 [ 1590.839565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.839565][ T73] ip6_route_add+0x1c/0x140 [ 1590.839565][ T73] inet6_rtm_newroute+0x104/0x110 [ 1590.839565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.839565][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.839565][ T73] netlink_unicast+0x449/0x710 [ 1590.839565][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.839565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.839565][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.839565][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.839565][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.839565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.839565][ T73] [ 1590.841696][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.841696][ T73] dst_init+0x84/0x4a0 [ 1590.841696][ T73] dst_alloc+0x97/0x150 [ 1590.841696][ T73] ip6_dst_alloc+0x23/0x90 [ 1590.841696][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1590.841696][ T73] ip6_pol_route+0x56f/0x840 [ 1590.841696][ T73] fib6_rule_lookup+0x456/0x630 [ 1590.841696][ T73] ip6_route_input+0x59c/0xa50 [ 1590.841696][ T73] ipv6_rcv+0x397/0x810 [ 1590.841696][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1590.841696][ T73] process_backlog+0x101/0x620 [ 1590.841696][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1590.841696][ T73] net_rx_action+0x495/0xbe0 [ 1590.841696][ T73] __do_softirq+0x1b5/0x7f6 [ 1590.841696][ T73] [ 1590.843545][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.843545][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.843545][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.843545][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.843545][ T73] ip6_route_add+0x1c/0x140 [ 1590.843545][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1590.843545][ T73] inet6_addr_add+0x4f8/0xa40 [ 1590.843545][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.843545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.843545][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.843545][ T73] netlink_unicast+0x449/0x710 [ 1590.843545][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.843545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.843545][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.843545][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.843545][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.843545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.843545][ T73] [ 1590.845798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.845798][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.845798][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.845798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.845798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1590.845798][ T73] ipv6_add_addr+0x411/0x2000 [ 1590.845798][ T73] inet6_addr_add+0x30e/0xa40 [ 1590.845798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.845798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.845798][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.845798][ T73] netlink_unicast+0x449/0x710 [ 1590.845798][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.845798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.845798][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.845798][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.845798][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.845798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.845798][ T73] [ 1590.848035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.848035][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.848035][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.848035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.848035][ T73] ip6_route_add+0x1c/0x140 [ 1590.848035][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1590.848035][ T73] addrconf_add_dev+0xe2/0x170 [ 1590.848035][ T73] inet6_addr_add+0x12f/0xa40 [ 1590.848035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.848035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.848035][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.848035][ T73] netlink_unicast+0x449/0x710 [ 1590.848035][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.848035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.848035][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.848035][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.848035][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.848035][ T73] [ 1590.850235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.850235][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1590.850235][ T73] ipv6_find_idev+0x102/0x170 [ 1590.850235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.850235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.850235][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.850235][ T73] netlink_unicast+0x449/0x710 [ 1590.850235][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.850235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.850235][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.850235][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.850235][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.850235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.850235][ T73] [ 1590.851945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1590.851945][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1590.851945][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1590.851945][ T73] ipv6_find_idev+0x102/0x170 [ 1590.851945][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.851945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.851945][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.851945][ T73] netlink_unicast+0x449/0x710 [ 1590.851945][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.851945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.851945][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.851945][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.851945][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.851945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.851945][ T73] [ 1590.853839][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1590.854138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.854138][ T73] dst_init+0x84/0x4a0 [ 1590.854138][ T73] dst_alloc+0x97/0x150 [ 1590.854138][ T73] ip6_dst_alloc+0x23/0x90 [ 1590.854138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1590.854138][ T73] ip6_pol_route+0x56f/0x840 [ 1590.854138][ T73] fib6_rule_lookup+0x456/0x630 [ 1590.854138][ T73] ip6_route_input+0x59c/0xa50 [ 1590.854138][ T73] ipv6_rcv+0x397/0x810 [ 1590.854138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1590.854138][ T73] process_backlog+0x101/0x620 [ 1590.854138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1590.854138][ T73] net_rx_action+0x495/0xbe0 [ 1590.854138][ T73] __do_softirq+0x1b5/0x7f6 [ 1590.854138][ T73] [ 1590.855981][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.855981][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.855981][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.855981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.855981][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1590.855981][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1590.855981][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1590.855981][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1590.855981][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1590.855981][ T73] addrconf_dad_begin+0x310/0x670 [ 1590.855981][ T73] addrconf_dad_work+0x10b/0xab0 [ 1590.855981][ T73] process_one_work+0x84d/0x18a0 [ 1590.855981][ T73] worker_thread+0x587/0xd30 [ 1590.855981][ T73] kthread+0x28a/0x350 [ 1590.855981][ T73] ret_from_fork+0x31/0x70 [ 1590.855981][ T73] ret_from_fork_asm+0x1a/0x30 [ 1590.855981][ T73] [ 1590.858123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.858123][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.858123][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.858123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.858123][ T73] ip6_route_add+0x1c/0x140 [ 1590.858123][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1590.858123][ T73] inet6_addr_add+0x4f8/0xa40 [ 1590.858123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.858123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.858123][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.858123][ T73] netlink_unicast+0x449/0x710 [ 1590.858123][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.858123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.858123][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.858123][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.858123][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.858123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.858123][ T73] [ 1590.860384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.860384][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.860384][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.860384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.860384][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1590.860384][ T73] ipv6_add_addr+0x411/0x2000 [ 1590.860384][ T73] inet6_addr_add+0x30e/0xa40 [ 1590.860384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.860384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.860384][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.860384][ T73] netlink_unicast+0x449/0x710 [ 1590.860384][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.860384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.860384][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.860384][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.860384][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.860384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.860384][ T73] [ 1590.862631][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.862631][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.862631][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.862631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.862631][ T73] ip6_route_add+0x1c/0x140 [ 1590.862631][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1590.862631][ T73] addrconf_add_dev+0xe2/0x170 [ 1590.862631][ T73] inet6_addr_add+0x12f/0xa40 [ 1590.862631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.862631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.862631][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.862631][ T73] netlink_unicast+0x449/0x710 [ 1590.862631][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.862631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.862631][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.862631][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.862631][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.862631][ T73] [ 1590.864846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.864846][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1590.864846][ T73] ipv6_find_idev+0x102/0x170 [ 1590.864846][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.864846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.864846][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.864846][ T73] netlink_unicast+0x449/0x710 [ 1590.864846][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.864846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.864846][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.864846][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.864846][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.864846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.864846][ T73] [ 1590.866571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1590.866571][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1590.866571][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1590.866571][ T73] ipv6_find_idev+0x102/0x170 [ 1590.866571][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.866571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.866571][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.866571][ T73] netlink_unicast+0x449/0x710 [ 1590.866571][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.866571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.866571][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.866571][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.866571][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.866571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.866571][ T73] [ 1590.868564][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1590.868868][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.868868][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1590.868868][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1590.868868][ T73] fib6_nh_init+0xa22/0x1580 [ 1590.868868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.868868][ T73] ip6_route_add+0x1c/0x140 [ 1590.868868][ T73] inet6_rtm_newroute+0x104/0x110 [ 1590.868868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.868868][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.868868][ T73] netlink_unicast+0x449/0x710 [ 1590.868868][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.868868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.868868][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.868868][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.868868][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.868868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.868868][ T73] [ 1590.871214][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.871214][ T73] dst_init+0x84/0x4a0 [ 1590.871214][ T73] dst_alloc+0x97/0x150 [ 1590.871214][ T73] ip6_dst_alloc+0x23/0x90 [ 1590.871214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1590.871214][ T73] ip6_pol_route+0x56f/0x840 [ 1590.871214][ T73] fib6_rule_lookup+0x456/0x630 [ 1590.871214][ T73] ip6_route_input+0x59c/0xa50 [ 1590.871214][ T73] ipv6_rcv+0x397/0x810 [ 1590.871214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1590.871214][ T73] process_backlog+0x101/0x620 [ 1590.871214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1590.871214][ T73] net_rx_action+0x495/0xbe0 [ 1590.871214][ T73] __do_softirq+0x1b5/0x7f6 [ 1590.871214][ T73] [ 1590.873292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.873292][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.873292][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.873292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.873292][ T73] ip6_route_add+0x1c/0x140 [ 1590.873292][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1590.873292][ T73] inet6_addr_add+0x4f8/0xa40 [ 1590.873292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.873292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.873292][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.873292][ T73] netlink_unicast+0x449/0x710 [ 1590.873292][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.873292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.873292][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.873292][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.873292][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.873292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.873292][ T73] [ 1590.875757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.875757][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.875757][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.875757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.875757][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1590.875757][ T73] ipv6_add_addr+0x411/0x2000 [ 1590.875757][ T73] inet6_addr_add+0x30e/0xa40 [ 1590.875757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.875757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.875757][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.875757][ T73] netlink_unicast+0x449/0x710 [ 1590.875757][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.875757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.875757][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.875757][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.875757][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.875757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.875757][ T73] [ 1590.878169][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.878169][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.878169][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.878169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.878169][ T73] ip6_route_add+0x1c/0x140 [ 1590.878169][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1590.878169][ T73] addrconf_add_dev+0xe2/0x170 [ 1590.878169][ T73] inet6_addr_add+0x12f/0xa40 [ 1590.878169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.878169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.878169][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.878169][ T73] netlink_unicast+0x449/0x710 [ 1590.878169][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.878169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.878169][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.878169][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.878169][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.878169][ T73] [ 1590.880561][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.880561][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1590.880561][ T73] ipv6_find_idev+0x102/0x170 [ 1590.880561][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.880561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.880561][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.880561][ T73] netlink_unicast+0x449/0x710 [ 1590.880561][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.880561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.880561][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.880561][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.880561][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.880561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.880561][ T73] [ 1590.882529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1590.882529][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1590.882529][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1590.882529][ T73] ipv6_find_idev+0x102/0x170 [ 1590.882529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.882529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.882529][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.882529][ T73] netlink_unicast+0x449/0x710 [ 1590.882529][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.882529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.882529][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.882529][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.882529][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.882529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.882529][ T73] [ 1590.884635][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1590.885373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1590.885373][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.885373][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.885373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.885373][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1590.885373][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1590.885373][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1590.885373][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1590.885373][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1590.885373][ T73] addrconf_dad_begin+0x310/0x670 [ 1590.885373][ T73] addrconf_dad_work+0x10b/0xab0 [ 1590.885373][ T73] process_one_work+0x84d/0x18a0 [ 1590.885373][ T73] worker_thread+0x587/0xd30 [ 1590.885373][ T73] kthread+0x28a/0x350 [ 1590.885373][ T73] ret_from_fork+0x31/0x70 [ 1590.885373][ T73] ret_from_fork_asm+0x1a/0x30 [ 1590.885373][ T73] [ 1590.887488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1590.887488][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.887488][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.887488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.887488][ T73] ip6_route_add+0x1c/0x140 [ 1590.887488][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1590.887488][ T73] inet6_addr_add+0x4f8/0xa40 [ 1590.887488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.887488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.887488][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.887488][ T73] netlink_unicast+0x449/0x710 [ 1590.887488][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.887488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.887488][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.887488][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.887488][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.887488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.887488][ T73] [ 1590.889835][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1590.889835][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.889835][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.889835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.889835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1590.889835][ T73] ipv6_add_addr+0x411/0x2000 [ 1590.889835][ T73] inet6_addr_add+0x30e/0xa40 [ 1590.889835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.889835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.889835][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.889835][ T73] netlink_unicast+0x449/0x710 [ 1590.889835][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.889835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.889835][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.889835][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.889835][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.889835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.889835][ T73] [ 1590.892276][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1590.892276][ T73] netdev_get_by_index+0x5e/0x80 [ 1590.892276][ T73] fib6_nh_init+0x3d8/0x1580 [ 1590.892276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1590.892276][ T73] ip6_route_add+0x1c/0x140 [ 1590.892276][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1590.892276][ T73] addrconf_add_dev+0xe2/0x170 [ 1590.892276][ T73] inet6_addr_add+0x12f/0xa40 [ 1590.892276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.892276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.892276][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.892276][ T73] netlink_unicast+0x449/0x710 [ 1590.892276][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.892276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.892276][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.892276][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.892276][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.892276][ T73] [ 1590.894731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1590.894731][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1590.894731][ T73] ipv6_find_idev+0x102/0x170 [ 1590.894731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.894731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.894731][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.894731][ T73] netlink_unicast+0x449/0x710 [ 1590.894731][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.894731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.894731][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.894731][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.894731][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.894731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.894731][ T73] [ 1590.896689][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1590.896689][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1590.896689][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1590.896689][ T73] ipv6_find_idev+0x102/0x170 [ 1590.896689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.896689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.896689][ T73] netlink_rcv_skb+0x130/0x360 [ 1590.896689][ T73] netlink_unicast+0x449/0x710 [ 1590.896689][ T73] netlink_sendmsg+0x723/0xbe0 [ 1590.896689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1590.896689][ T73] ___sys_sendmsg+0xee/0x170 [ 1590.896689][ T73] __sys_sendmsg+0xcd/0x170 [ 1590.896689][ T73] do_syscall_64+0xc6/0x1e0 [ 1590.896689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.896689][ T73] [ 1601.150976][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1601.151513][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.151513][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1601.151513][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1601.151513][ T73] fib6_nh_init+0xa22/0x1580 [ 1601.151513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.151513][ T73] ip6_route_add+0x1c/0x140 [ 1601.151513][ T73] inet6_rtm_newroute+0x104/0x110 [ 1601.151513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.151513][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.151513][ T73] netlink_unicast+0x449/0x710 [ 1601.151513][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.151513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.151513][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.151513][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.151513][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.151513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.151513][ T73] [ 1601.153644][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.153644][ T73] dst_init+0x84/0x4a0 [ 1601.153644][ T73] dst_alloc+0x97/0x150 [ 1601.153644][ T73] ip6_dst_alloc+0x23/0x90 [ 1601.153644][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1601.153644][ T73] ip6_pol_route+0x56f/0x840 [ 1601.153644][ T73] fib6_rule_lookup+0x456/0x630 [ 1601.153644][ T73] ip6_route_input+0x59c/0xa50 [ 1601.153644][ T73] ipv6_rcv+0x397/0x810 [ 1601.153644][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1601.153644][ T73] process_backlog+0x101/0x620 [ 1601.153644][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1601.153644][ T73] net_rx_action+0x495/0xbe0 [ 1601.153644][ T73] __do_softirq+0x1b5/0x7f6 [ 1601.153644][ T73] [ 1601.155475][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.155475][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.155475][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.155475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.155475][ T73] ip6_route_add+0x1c/0x140 [ 1601.155475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1601.155475][ T73] inet6_addr_add+0x4f8/0xa40 [ 1601.155475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.155475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.155475][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.155475][ T73] netlink_unicast+0x449/0x710 [ 1601.155475][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.155475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.155475][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.155475][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.155475][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.155475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.155475][ T73] [ 1601.157711][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.157711][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.157711][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.157711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.157711][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1601.157711][ T73] ipv6_add_addr+0x411/0x2000 [ 1601.157711][ T73] inet6_addr_add+0x30e/0xa40 [ 1601.157711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.157711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.157711][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.157711][ T73] netlink_unicast+0x449/0x710 [ 1601.157711][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.157711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.157711][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.157711][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.157711][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.157711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.157711][ T73] [ 1601.159936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.159936][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.159936][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.159936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.159936][ T73] ip6_route_add+0x1c/0x140 [ 1601.159936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1601.159936][ T73] addrconf_add_dev+0xe2/0x170 [ 1601.159936][ T73] inet6_addr_add+0x12f/0xa40 [ 1601.159936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.159936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.159936][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.159936][ T73] netlink_unicast+0x449/0x710 [ 1601.159936][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.159936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.159936][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.159936][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.159936][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.159936][ T73] [ 1601.162156][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.162156][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1601.162156][ T73] ipv6_find_idev+0x102/0x170 [ 1601.162156][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.162156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.162156][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.162156][ T73] netlink_unicast+0x449/0x710 [ 1601.162156][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.162156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.162156][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.162156][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.162156][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.162156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.162156][ T73] [ 1601.163893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1601.163893][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1601.163893][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1601.163893][ T73] ipv6_find_idev+0x102/0x170 [ 1601.163893][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.163893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.163893][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.163893][ T73] netlink_unicast+0x449/0x710 [ 1601.163893][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.163893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.163893][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.163893][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.163893][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.163893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.163893][ T73] [ 1601.165795][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1601.166096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.166096][ T73] dst_init+0x84/0x4a0 [ 1601.166096][ T73] dst_alloc+0x97/0x150 [ 1601.166096][ T73] ip6_dst_alloc+0x23/0x90 [ 1601.166096][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1601.166096][ T73] ip6_pol_route+0x56f/0x840 [ 1601.166096][ T73] fib6_rule_lookup+0x456/0x630 [ 1601.166096][ T73] ip6_route_input+0x59c/0xa50 [ 1601.166096][ T73] ipv6_rcv+0x397/0x810 [ 1601.166096][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1601.166096][ T73] process_backlog+0x101/0x620 [ 1601.166096][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1601.166096][ T73] net_rx_action+0x495/0xbe0 [ 1601.166096][ T73] __do_softirq+0x1b5/0x7f6 [ 1601.166096][ T73] [ 1601.167940][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.167940][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.167940][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.167940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.167940][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1601.167940][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1601.167940][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1601.167940][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1601.167940][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1601.167940][ T73] addrconf_dad_begin+0x310/0x670 [ 1601.167940][ T73] addrconf_dad_work+0x10b/0xab0 [ 1601.167940][ T73] process_one_work+0x84d/0x18a0 [ 1601.167940][ T73] worker_thread+0x587/0xd30 [ 1601.167940][ T73] kthread+0x28a/0x350 [ 1601.167940][ T73] ret_from_fork+0x31/0x70 [ 1601.167940][ T73] ret_from_fork_asm+0x1a/0x30 [ 1601.167940][ T73] [ 1601.170078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.170078][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.170078][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.170078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.170078][ T73] ip6_route_add+0x1c/0x140 [ 1601.170078][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1601.170078][ T73] inet6_addr_add+0x4f8/0xa40 [ 1601.170078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.170078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.170078][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.170078][ T73] netlink_unicast+0x449/0x710 [ 1601.170078][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.170078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.170078][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.170078][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.170078][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.170078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.170078][ T73] [ 1601.172346][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.172346][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.172346][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.172346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.172346][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1601.172346][ T73] ipv6_add_addr+0x411/0x2000 [ 1601.172346][ T73] inet6_addr_add+0x30e/0xa40 [ 1601.172346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.172346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.172346][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.172346][ T73] netlink_unicast+0x449/0x710 [ 1601.172346][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.172346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.172346][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.172346][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.172346][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.172346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.172346][ T73] [ 1601.174578][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.174578][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.174578][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.174578][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.174578][ T73] ip6_route_add+0x1c/0x140 [ 1601.174578][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1601.174578][ T73] addrconf_add_dev+0xe2/0x170 [ 1601.174578][ T73] inet6_addr_add+0x12f/0xa40 [ 1601.174578][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.174578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.174578][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.174578][ T73] netlink_unicast+0x449/0x710 [ 1601.174578][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.174578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.174578][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.174578][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.174578][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.174578][ T73] [ 1601.176779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.176779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1601.176779][ T73] ipv6_find_idev+0x102/0x170 [ 1601.176779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.176779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.176779][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.176779][ T73] netlink_unicast+0x449/0x710 [ 1601.176779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.176779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.176779][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.176779][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.176779][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.176779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.176779][ T73] [ 1601.178520][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1601.178520][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1601.178520][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1601.178520][ T73] ipv6_find_idev+0x102/0x170 [ 1601.178520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.178520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.178520][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.178520][ T73] netlink_unicast+0x449/0x710 [ 1601.178520][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.178520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.178520][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.178520][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.178520][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.178520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.178520][ T73] [ 1601.180530][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1601.180825][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.180825][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1601.180825][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1601.180825][ T73] fib6_nh_init+0xa22/0x1580 [ 1601.180825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.180825][ T73] ip6_route_add+0x1c/0x140 [ 1601.180825][ T73] inet6_rtm_newroute+0x104/0x110 [ 1601.180825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.180825][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.180825][ T73] netlink_unicast+0x449/0x710 [ 1601.180825][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.180825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.180825][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.180825][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.180825][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.180825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.180825][ T73] [ 1601.183236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.183236][ T73] dst_init+0x84/0x4a0 [ 1601.183236][ T73] dst_alloc+0x97/0x150 [ 1601.183236][ T73] ip6_dst_alloc+0x23/0x90 [ 1601.183236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1601.183236][ T73] ip6_pol_route+0x56f/0x840 [ 1601.183236][ T73] fib6_rule_lookup+0x456/0x630 [ 1601.183236][ T73] ip6_route_input+0x59c/0xa50 [ 1601.183236][ T73] ipv6_rcv+0x397/0x810 [ 1601.183236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1601.183236][ T73] process_backlog+0x101/0x620 [ 1601.183236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1601.183236][ T73] net_rx_action+0x495/0xbe0 [ 1601.183236][ T73] __do_softirq+0x1b5/0x7f6 [ 1601.183236][ T73] [ 1601.185238][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.185238][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.185238][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.185238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.185238][ T73] ip6_route_add+0x1c/0x140 [ 1601.185238][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1601.185238][ T73] inet6_addr_add+0x4f8/0xa40 [ 1601.185238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.185238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.185238][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.185238][ T73] netlink_unicast+0x449/0x710 [ 1601.185238][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.185238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.185238][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.185238][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.185238][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.185238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.185238][ T73] [ 1601.187712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.187712][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.187712][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.187712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.187712][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1601.187712][ T73] ipv6_add_addr+0x411/0x2000 [ 1601.187712][ T73] inet6_addr_add+0x30e/0xa40 [ 1601.187712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.187712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.187712][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.187712][ T73] netlink_unicast+0x449/0x710 [ 1601.187712][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.187712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.187712][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.187712][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.187712][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.187712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.187712][ T73] [ 1601.190150][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.190150][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.190150][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.190150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.190150][ T73] ip6_route_add+0x1c/0x140 [ 1601.190150][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1601.190150][ T73] addrconf_add_dev+0xe2/0x170 [ 1601.190150][ T73] inet6_addr_add+0x12f/0xa40 [ 1601.190150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.190150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.190150][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.190150][ T73] netlink_unicast+0x449/0x710 [ 1601.190150][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.190150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.190150][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.190150][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.190150][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.190150][ T73] [ 1601.192584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.192584][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1601.192584][ T73] ipv6_find_idev+0x102/0x170 [ 1601.192584][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.192584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.192584][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.192584][ T73] netlink_unicast+0x449/0x710 [ 1601.192584][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.192584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.192584][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.192584][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.192584][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.192584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.192584][ T73] [ 1601.194510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1601.194510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1601.194510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1601.194510][ T73] ipv6_find_idev+0x102/0x170 [ 1601.194510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.194510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.194510][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.194510][ T73] netlink_unicast+0x449/0x710 [ 1601.194510][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.194510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.194510][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.194510][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.194510][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.194510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.194510][ T73] [ 1601.197173][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1601.197498][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1601.197498][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.197498][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.197498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.197498][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1601.197498][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1601.197498][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1601.197498][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1601.197498][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1601.197498][ T73] addrconf_dad_begin+0x310/0x670 [ 1601.197498][ T73] addrconf_dad_work+0x10b/0xab0 [ 1601.197498][ T73] process_one_work+0x84d/0x18a0 [ 1601.197498][ T73] worker_thread+0x587/0xd30 [ 1601.197498][ T73] kthread+0x28a/0x350 [ 1601.197498][ T73] ret_from_fork+0x31/0x70 [ 1601.197498][ T73] ret_from_fork_asm+0x1a/0x30 [ 1601.197498][ T73] [ 1601.199923][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1601.199923][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.199923][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.199923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.199923][ T73] ip6_route_add+0x1c/0x140 [ 1601.199923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1601.199923][ T73] inet6_addr_add+0x4f8/0xa40 [ 1601.199923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.199923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.199923][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.199923][ T73] netlink_unicast+0x449/0x710 [ 1601.199923][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.199923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.199923][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.199923][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.199923][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.199923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.199923][ T73] [ 1601.202720][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1601.202720][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.202720][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.202720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.202720][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1601.202720][ T73] ipv6_add_addr+0x411/0x2000 [ 1601.202720][ T73] inet6_addr_add+0x30e/0xa40 [ 1601.202720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.202720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.202720][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.202720][ T73] netlink_unicast+0x449/0x710 [ 1601.202720][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.202720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.202720][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.202720][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.202720][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.202720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.202720][ T73] [ 1601.205266][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1601.205266][ T73] netdev_get_by_index+0x5e/0x80 [ 1601.205266][ T73] fib6_nh_init+0x3d8/0x1580 [ 1601.205266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1601.205266][ T73] ip6_route_add+0x1c/0x140 [ 1601.205266][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1601.205266][ T73] addrconf_add_dev+0xe2/0x170 [ 1601.205266][ T73] inet6_addr_add+0x12f/0xa40 [ 1601.205266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.205266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.205266][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.205266][ T73] netlink_unicast+0x449/0x710 [ 1601.205266][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.205266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.205266][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.205266][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.205266][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.205266][ T73] [ 1601.207666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1601.207666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1601.207666][ T73] ipv6_find_idev+0x102/0x170 [ 1601.207666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.207666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.207666][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.207666][ T73] netlink_unicast+0x449/0x710 [ 1601.207666][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.207666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.207666][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.207666][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.207666][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.207666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.207666][ T73] [ 1601.209568][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1601.209568][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1601.209568][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1601.209568][ T73] ipv6_find_idev+0x102/0x170 [ 1601.209568][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.209568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.209568][ T73] netlink_rcv_skb+0x130/0x360 [ 1601.209568][ T73] netlink_unicast+0x449/0x710 [ 1601.209568][ T73] netlink_sendmsg+0x723/0xbe0 [ 1601.209568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1601.209568][ T73] ___sys_sendmsg+0xee/0x170 [ 1601.209568][ T73] __sys_sendmsg+0xcd/0x170 [ 1601.209568][ T73] do_syscall_64+0xc6/0x1e0 [ 1601.209568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.209568][ T73] [ 1611.462922][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1611.463436][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.463436][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1611.463436][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1611.463436][ T73] fib6_nh_init+0xa22/0x1580 [ 1611.463436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.463436][ T73] ip6_route_add+0x1c/0x140 [ 1611.463436][ T73] inet6_rtm_newroute+0x104/0x110 [ 1611.463436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.463436][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.463436][ T73] netlink_unicast+0x449/0x710 [ 1611.463436][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.463436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.463436][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.463436][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.463436][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.463436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.463436][ T73] [ 1611.465345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.465345][ T73] dst_init+0x84/0x4a0 [ 1611.465345][ T73] dst_alloc+0x97/0x150 [ 1611.465345][ T73] ip6_dst_alloc+0x23/0x90 [ 1611.465345][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1611.465345][ T73] ip6_pol_route+0x56f/0x840 [ 1611.465345][ T73] fib6_rule_lookup+0x456/0x630 [ 1611.465345][ T73] ip6_route_input+0x59c/0xa50 [ 1611.465345][ T73] ipv6_rcv+0x397/0x810 [ 1611.465345][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1611.465345][ T73] process_backlog+0x101/0x620 [ 1611.465345][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1611.465345][ T73] net_rx_action+0x495/0xbe0 [ 1611.465345][ T73] __do_softirq+0x1b5/0x7f6 [ 1611.465345][ T73] [ 1611.466979][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.466979][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.466979][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.466979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.466979][ T73] ip6_route_add+0x1c/0x140 [ 1611.466979][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1611.466979][ T73] inet6_addr_add+0x4f8/0xa40 [ 1611.466979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.466979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.466979][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.466979][ T73] netlink_unicast+0x449/0x710 [ 1611.466979][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.466979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.466979][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.466979][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.466979][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.466979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.466979][ T73] [ 1611.468965][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.468965][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.468965][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.468965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.468965][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1611.468965][ T73] ipv6_add_addr+0x411/0x2000 [ 1611.468965][ T73] inet6_addr_add+0x30e/0xa40 [ 1611.468965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.468965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.468965][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.468965][ T73] netlink_unicast+0x449/0x710 [ 1611.468965][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.468965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.468965][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.468965][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.468965][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.468965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.468965][ T73] [ 1611.470954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.470954][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.470954][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.470954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.470954][ T73] ip6_route_add+0x1c/0x140 [ 1611.470954][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1611.470954][ T73] addrconf_add_dev+0xe2/0x170 [ 1611.470954][ T73] inet6_addr_add+0x12f/0xa40 [ 1611.470954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.470954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.470954][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.470954][ T73] netlink_unicast+0x449/0x710 [ 1611.470954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.470954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.470954][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.470954][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.470954][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.470954][ T73] [ 1611.472915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.472915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1611.472915][ T73] ipv6_find_idev+0x102/0x170 [ 1611.472915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.472915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.472915][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.472915][ T73] netlink_unicast+0x449/0x710 [ 1611.472915][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.472915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.472915][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.472915][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.472915][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.472915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.472915][ T73] [ 1611.474451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1611.474451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1611.474451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1611.474451][ T73] ipv6_find_idev+0x102/0x170 [ 1611.474451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.474451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.474451][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.474451][ T73] netlink_unicast+0x449/0x710 [ 1611.474451][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.474451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.474451][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.474451][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.474451][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.474451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.474451][ T73] [ 1611.476139][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1611.476408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.476408][ T73] dst_init+0x84/0x4a0 [ 1611.476408][ T73] dst_alloc+0x97/0x150 [ 1611.476408][ T73] ip6_dst_alloc+0x23/0x90 [ 1611.476408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1611.476408][ T73] ip6_pol_route+0x56f/0x840 [ 1611.476408][ T73] fib6_rule_lookup+0x456/0x630 [ 1611.476408][ T73] ip6_route_input+0x59c/0xa50 [ 1611.476408][ T73] ipv6_rcv+0x397/0x810 [ 1611.476408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1611.476408][ T73] process_backlog+0x101/0x620 [ 1611.476408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1611.476408][ T73] net_rx_action+0x495/0xbe0 [ 1611.476408][ T73] __do_softirq+0x1b5/0x7f6 [ 1611.476408][ T73] [ 1611.478421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.478421][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.478421][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.478421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.478421][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1611.478421][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1611.478421][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1611.478421][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1611.478421][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1611.478421][ T73] addrconf_dad_begin+0x310/0x670 [ 1611.478421][ T73] addrconf_dad_work+0x10b/0xab0 [ 1611.478421][ T73] process_one_work+0x84d/0x18a0 [ 1611.478421][ T73] worker_thread+0x587/0xd30 [ 1611.478421][ T73] kthread+0x28a/0x350 [ 1611.478421][ T73] ret_from_fork+0x31/0x70 [ 1611.478421][ T73] ret_from_fork_asm+0x1a/0x30 [ 1611.478421][ T73] [ 1611.480318][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.480318][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.480318][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.480318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.480318][ T73] ip6_route_add+0x1c/0x140 [ 1611.480318][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1611.480318][ T73] inet6_addr_add+0x4f8/0xa40 [ 1611.480318][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.480318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.480318][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.480318][ T73] netlink_unicast+0x449/0x710 [ 1611.480318][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.480318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.480318][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.480318][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.480318][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.480318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.480318][ T73] [ 1611.482302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.482302][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.482302][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.482302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.482302][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1611.482302][ T73] ipv6_add_addr+0x411/0x2000 [ 1611.482302][ T73] inet6_addr_add+0x30e/0xa40 [ 1611.482302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.482302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.482302][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.482302][ T73] netlink_unicast+0x449/0x710 [ 1611.482302][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.482302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.482302][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.482302][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.482302][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.482302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.482302][ T73] [ 1611.484293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.484293][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.484293][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.484293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.484293][ T73] ip6_route_add+0x1c/0x140 [ 1611.484293][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1611.484293][ T73] addrconf_add_dev+0xe2/0x170 [ 1611.484293][ T73] inet6_addr_add+0x12f/0xa40 [ 1611.484293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.484293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.484293][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.484293][ T73] netlink_unicast+0x449/0x710 [ 1611.484293][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.484293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.484293][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.484293][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.484293][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.484293][ T73] [ 1611.486280][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.486280][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1611.486280][ T73] ipv6_find_idev+0x102/0x170 [ 1611.486280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.486280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.486280][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.486280][ T73] netlink_unicast+0x449/0x710 [ 1611.486280][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.486280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.486280][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.486280][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.486280][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.486280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.486280][ T73] [ 1611.487805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1611.487805][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1611.487805][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1611.487805][ T73] ipv6_find_idev+0x102/0x170 [ 1611.487805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.487805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.487805][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.487805][ T73] netlink_unicast+0x449/0x710 [ 1611.487805][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.487805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.487805][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.487805][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.487805][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.487805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.487805][ T73] [ 1611.489627][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1611.489989][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.489989][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1611.489989][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1611.489989][ T73] fib6_nh_init+0xa22/0x1580 [ 1611.489989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.489989][ T73] ip6_route_add+0x1c/0x140 [ 1611.489989][ T73] inet6_rtm_newroute+0x104/0x110 [ 1611.489989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.489989][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.489989][ T73] netlink_unicast+0x449/0x710 [ 1611.489989][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.489989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.489989][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.489989][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.489989][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.489989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.489989][ T73] [ 1611.492102][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.492102][ T73] dst_init+0x84/0x4a0 [ 1611.492102][ T73] dst_alloc+0x97/0x150 [ 1611.492102][ T73] ip6_dst_alloc+0x23/0x90 [ 1611.492102][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1611.492102][ T73] ip6_pol_route+0x56f/0x840 [ 1611.492102][ T73] fib6_rule_lookup+0x456/0x630 [ 1611.492102][ T73] ip6_route_input+0x59c/0xa50 [ 1611.492102][ T73] ipv6_rcv+0x397/0x810 [ 1611.492102][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1611.492102][ T73] process_backlog+0x101/0x620 [ 1611.492102][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1611.492102][ T73] net_rx_action+0x495/0xbe0 [ 1611.492102][ T73] __do_softirq+0x1b5/0x7f6 [ 1611.492102][ T73] [ 1611.493855][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.493855][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.493855][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.493855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.493855][ T73] ip6_route_add+0x1c/0x140 [ 1611.493855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1611.493855][ T73] inet6_addr_add+0x4f8/0xa40 [ 1611.493855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.493855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.493855][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.493855][ T73] netlink_unicast+0x449/0x710 [ 1611.493855][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.493855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.493855][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.493855][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.493855][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.493855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.493855][ T73] [ 1611.496088][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.496088][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.496088][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.496088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.496088][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1611.496088][ T73] ipv6_add_addr+0x411/0x2000 [ 1611.496088][ T73] inet6_addr_add+0x30e/0xa40 [ 1611.496088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.496088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.496088][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.496088][ T73] netlink_unicast+0x449/0x710 [ 1611.496088][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.496088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.496088][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.496088][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.496088][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.496088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.496088][ T73] [ 1611.498285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.498285][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.498285][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.498285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.498285][ T73] ip6_route_add+0x1c/0x140 [ 1611.498285][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1611.498285][ T73] addrconf_add_dev+0xe2/0x170 [ 1611.498285][ T73] inet6_addr_add+0x12f/0xa40 [ 1611.498285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.498285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.498285][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.498285][ T73] netlink_unicast+0x449/0x710 [ 1611.498285][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.498285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.498285][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.498285][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.498285][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.498285][ T73] [ 1611.500420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.500420][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1611.500420][ T73] ipv6_find_idev+0x102/0x170 [ 1611.500420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.500420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.500420][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.500420][ T73] netlink_unicast+0x449/0x710 [ 1611.500420][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.500420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.500420][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.500420][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.500420][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.500420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.500420][ T73] [ 1611.502120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1611.502120][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1611.502120][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1611.502120][ T73] ipv6_find_idev+0x102/0x170 [ 1611.502120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.502120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.502120][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.502120][ T73] netlink_unicast+0x449/0x710 [ 1611.502120][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.502120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.502120][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.502120][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.502120][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.502120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.502120][ T73] [ 1611.503993][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1611.504264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1611.504264][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.504264][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.504264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.504264][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1611.504264][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1611.504264][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1611.504264][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1611.504264][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1611.504264][ T73] addrconf_dad_begin+0x310/0x670 [ 1611.504264][ T73] addrconf_dad_work+0x10b/0xab0 [ 1611.504264][ T73] process_one_work+0x84d/0x18a0 [ 1611.504264][ T73] worker_thread+0x587/0xd30 [ 1611.504264][ T73] kthread+0x28a/0x350 [ 1611.504264][ T73] ret_from_fork+0x31/0x70 [ 1611.504264][ T73] ret_from_fork_asm+0x1a/0x30 [ 1611.504264][ T73] [ 1611.506334][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1611.506334][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.506334][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.506334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.506334][ T73] ip6_route_add+0x1c/0x140 [ 1611.506334][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1611.506334][ T73] inet6_addr_add+0x4f8/0xa40 [ 1611.506334][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.506334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.506334][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.506334][ T73] netlink_unicast+0x449/0x710 [ 1611.506334][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.506334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.506334][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.506334][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.506334][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.506334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.506334][ T73] [ 1611.508500][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1611.508500][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.508500][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.508500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.508500][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1611.508500][ T73] ipv6_add_addr+0x411/0x2000 [ 1611.508500][ T73] inet6_addr_add+0x30e/0xa40 [ 1611.508500][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.508500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.508500][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.508500][ T73] netlink_unicast+0x449/0x710 [ 1611.508500][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.508500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.508500][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.508500][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.508500][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.508500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.508500][ T73] [ 1611.510786][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1611.510786][ T73] netdev_get_by_index+0x5e/0x80 [ 1611.510786][ T73] fib6_nh_init+0x3d8/0x1580 [ 1611.510786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1611.510786][ T73] ip6_route_add+0x1c/0x140 [ 1611.510786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1611.510786][ T73] addrconf_add_dev+0xe2/0x170 [ 1611.510786][ T73] inet6_addr_add+0x12f/0xa40 [ 1611.510786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.510786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.510786][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.510786][ T73] netlink_unicast+0x449/0x710 [ 1611.510786][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.510786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.510786][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.510786][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.510786][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.510786][ T73] [ 1611.512924][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1611.512924][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1611.512924][ T73] ipv6_find_idev+0x102/0x170 [ 1611.512924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.512924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.512924][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.512924][ T73] netlink_unicast+0x449/0x710 [ 1611.512924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.512924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.512924][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.512924][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.512924][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.512924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.512924][ T73] [ 1611.514633][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1611.514633][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1611.514633][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1611.514633][ T73] ipv6_find_idev+0x102/0x170 [ 1611.514633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.514633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.514633][ T73] netlink_rcv_skb+0x130/0x360 [ 1611.514633][ T73] netlink_unicast+0x449/0x710 [ 1611.514633][ T73] netlink_sendmsg+0x723/0xbe0 [ 1611.514633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1611.514633][ T73] ___sys_sendmsg+0xee/0x170 [ 1611.514633][ T73] __sys_sendmsg+0xcd/0x170 [ 1611.514633][ T73] do_syscall_64+0xc6/0x1e0 [ 1611.514633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.514633][ T73] [ 1621.766947][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1621.767470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.767470][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1621.767470][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1621.767470][ T73] fib6_nh_init+0xa22/0x1580 [ 1621.767470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.767470][ T73] ip6_route_add+0x1c/0x140 [ 1621.767470][ T73] inet6_rtm_newroute+0x104/0x110 [ 1621.767470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.767470][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.767470][ T73] netlink_unicast+0x449/0x710 [ 1621.767470][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.767470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.767470][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.767470][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.767470][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.767470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.767470][ T73] [ 1621.769623][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.769623][ T73] dst_init+0x84/0x4a0 [ 1621.769623][ T73] dst_alloc+0x97/0x150 [ 1621.769623][ T73] ip6_dst_alloc+0x23/0x90 [ 1621.769623][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1621.769623][ T73] ip6_pol_route+0x56f/0x840 [ 1621.769623][ T73] fib6_rule_lookup+0x456/0x630 [ 1621.769623][ T73] ip6_route_input+0x59c/0xa50 [ 1621.769623][ T73] ipv6_rcv+0x397/0x810 [ 1621.769623][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1621.769623][ T73] process_backlog+0x101/0x620 [ 1621.769623][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1621.769623][ T73] net_rx_action+0x495/0xbe0 [ 1621.769623][ T73] __do_softirq+0x1b5/0x7f6 [ 1621.769623][ T73] [ 1621.771484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.771484][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.771484][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.771484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.771484][ T73] ip6_route_add+0x1c/0x140 [ 1621.771484][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1621.771484][ T73] inet6_addr_add+0x4f8/0xa40 [ 1621.771484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.771484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.771484][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.771484][ T73] netlink_unicast+0x449/0x710 [ 1621.771484][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.771484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.771484][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.771484][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.771484][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.771484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.771484][ T73] [ 1621.773755][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.773755][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.773755][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.773755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.773755][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1621.773755][ T73] ipv6_add_addr+0x411/0x2000 [ 1621.773755][ T73] inet6_addr_add+0x30e/0xa40 [ 1621.773755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.773755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.773755][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.773755][ T73] netlink_unicast+0x449/0x710 [ 1621.773755][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.773755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.773755][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.773755][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.773755][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.773755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.773755][ T73] [ 1621.776008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.776008][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.776008][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.776008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.776008][ T73] ip6_route_add+0x1c/0x140 [ 1621.776008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1621.776008][ T73] addrconf_add_dev+0xe2/0x170 [ 1621.776008][ T73] inet6_addr_add+0x12f/0xa40 [ 1621.776008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.776008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.776008][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.776008][ T73] netlink_unicast+0x449/0x710 [ 1621.776008][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.776008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.776008][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.776008][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.776008][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.776008][ T73] [ 1621.778240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.778240][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1621.778240][ T73] ipv6_find_idev+0x102/0x170 [ 1621.778240][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.778240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.778240][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.778240][ T73] netlink_unicast+0x449/0x710 [ 1621.778240][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.778240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.778240][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.778240][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.778240][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.778240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.778240][ T73] [ 1621.779984][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1621.779984][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1621.779984][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1621.779984][ T73] ipv6_find_idev+0x102/0x170 [ 1621.779984][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.779984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.779984][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.779984][ T73] netlink_unicast+0x449/0x710 [ 1621.779984][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.779984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.779984][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.779984][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.779984][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.779984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.779984][ T73] [ 1621.781913][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1621.782216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.782216][ T73] dst_init+0x84/0x4a0 [ 1621.782216][ T73] dst_alloc+0x97/0x150 [ 1621.782216][ T73] ip6_dst_alloc+0x23/0x90 [ 1621.782216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1621.782216][ T73] ip6_pol_route+0x56f/0x840 [ 1621.782216][ T73] fib6_rule_lookup+0x456/0x630 [ 1621.782216][ T73] ip6_route_input+0x59c/0xa50 [ 1621.782216][ T73] ipv6_rcv+0x397/0x810 [ 1621.782216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1621.782216][ T73] process_backlog+0x101/0x620 [ 1621.782216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1621.782216][ T73] net_rx_action+0x495/0xbe0 [ 1621.782216][ T73] __do_softirq+0x1b5/0x7f6 [ 1621.782216][ T73] [ 1621.784073][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.784073][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.784073][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.784073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.784073][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1621.784073][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1621.784073][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1621.784073][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1621.784073][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1621.784073][ T73] addrconf_dad_begin+0x310/0x670 [ 1621.784073][ T73] addrconf_dad_work+0x10b/0xab0 [ 1621.784073][ T73] process_one_work+0x84d/0x18a0 [ 1621.784073][ T73] worker_thread+0x587/0xd30 [ 1621.784073][ T73] kthread+0x28a/0x350 [ 1621.784073][ T73] ret_from_fork+0x31/0x70 [ 1621.784073][ T73] ret_from_fork_asm+0x1a/0x30 [ 1621.784073][ T73] [ 1621.786227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.786227][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.786227][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.786227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.786227][ T73] ip6_route_add+0x1c/0x140 [ 1621.786227][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1621.786227][ T73] inet6_addr_add+0x4f8/0xa40 [ 1621.786227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.786227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.786227][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.786227][ T73] netlink_unicast+0x449/0x710 [ 1621.786227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.786227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.786227][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.786227][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.786227][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.786227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.786227][ T73] [ 1621.788498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.788498][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.788498][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.788498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.788498][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1621.788498][ T73] ipv6_add_addr+0x411/0x2000 [ 1621.788498][ T73] inet6_addr_add+0x30e/0xa40 [ 1621.788498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.788498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.788498][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.788498][ T73] netlink_unicast+0x449/0x710 [ 1621.788498][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.788498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.788498][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.788498][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.788498][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.788498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.788498][ T73] [ 1621.790751][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.790751][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.790751][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.790751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.790751][ T73] ip6_route_add+0x1c/0x140 [ 1621.790751][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1621.790751][ T73] addrconf_add_dev+0xe2/0x170 [ 1621.790751][ T73] inet6_addr_add+0x12f/0xa40 [ 1621.790751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.790751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.790751][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.790751][ T73] netlink_unicast+0x449/0x710 [ 1621.790751][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.790751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.790751][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.790751][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.790751][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.790751][ T73] [ 1621.792989][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.792989][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1621.792989][ T73] ipv6_find_idev+0x102/0x170 [ 1621.792989][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.792989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.792989][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.792989][ T73] netlink_unicast+0x449/0x710 [ 1621.792989][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.792989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.792989][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.792989][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.792989][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.792989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.792989][ T73] [ 1621.794738][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1621.794738][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1621.794738][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1621.794738][ T73] ipv6_find_idev+0x102/0x170 [ 1621.794738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.794738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.794738][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.794738][ T73] netlink_unicast+0x449/0x710 [ 1621.794738][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.794738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.794738][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.794738][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.794738][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.794738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.794738][ T73] [ 1621.796760][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1621.797074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.797074][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1621.797074][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1621.797074][ T73] fib6_nh_init+0xa22/0x1580 [ 1621.797074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.797074][ T73] ip6_route_add+0x1c/0x140 [ 1621.797074][ T73] inet6_rtm_newroute+0x104/0x110 [ 1621.797074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.797074][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.797074][ T73] netlink_unicast+0x449/0x710 [ 1621.797074][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.797074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.797074][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.797074][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.797074][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.797074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.797074][ T73] [ 1621.799374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.799374][ T73] dst_init+0x84/0x4a0 [ 1621.799374][ T73] dst_alloc+0x97/0x150 [ 1621.799374][ T73] ip6_dst_alloc+0x23/0x90 [ 1621.799374][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1621.799374][ T73] ip6_pol_route+0x56f/0x840 [ 1621.799374][ T73] fib6_rule_lookup+0x456/0x630 [ 1621.799374][ T73] ip6_route_input+0x59c/0xa50 [ 1621.799374][ T73] ipv6_rcv+0x397/0x810 [ 1621.799374][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1621.799374][ T73] process_backlog+0x101/0x620 [ 1621.799374][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1621.799374][ T73] net_rx_action+0x495/0xbe0 [ 1621.799374][ T73] __do_softirq+0x1b5/0x7f6 [ 1621.799374][ T73] [ 1621.801382][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.801382][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.801382][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.801382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.801382][ T73] ip6_route_add+0x1c/0x140 [ 1621.801382][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1621.801382][ T73] inet6_addr_add+0x4f8/0xa40 [ 1621.801382][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.801382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.801382][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.801382][ T73] netlink_unicast+0x449/0x710 [ 1621.801382][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.801382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.801382][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.801382][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.801382][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.801382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.801382][ T73] [ 1621.803941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.803941][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.803941][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.803941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.803941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1621.803941][ T73] ipv6_add_addr+0x411/0x2000 [ 1621.803941][ T73] inet6_addr_add+0x30e/0xa40 [ 1621.803941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.803941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.803941][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.803941][ T73] netlink_unicast+0x449/0x710 [ 1621.803941][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.803941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.803941][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.803941][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.803941][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.803941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.803941][ T73] [ 1621.806427][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.806427][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.806427][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.806427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.806427][ T73] ip6_route_add+0x1c/0x140 [ 1621.806427][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1621.806427][ T73] addrconf_add_dev+0xe2/0x170 [ 1621.806427][ T73] inet6_addr_add+0x12f/0xa40 [ 1621.806427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.806427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.806427][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.806427][ T73] netlink_unicast+0x449/0x710 [ 1621.806427][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.806427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.806427][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.806427][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.806427][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.806427][ T73] [ 1621.808883][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.808883][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1621.808883][ T73] ipv6_find_idev+0x102/0x170 [ 1621.808883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.808883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.808883][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.808883][ T73] netlink_unicast+0x449/0x710 [ 1621.808883][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.808883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.808883][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.808883][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.808883][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.808883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.808883][ T73] [ 1621.810691][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1621.810691][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1621.810691][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1621.810691][ T73] ipv6_find_idev+0x102/0x170 [ 1621.810691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.810691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.810691][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.810691][ T73] netlink_unicast+0x449/0x710 [ 1621.810691][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.810691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.810691][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.810691][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.810691][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.810691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.810691][ T73] [ 1621.812891][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1621.813185][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1621.813185][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.813185][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.813185][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.813185][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1621.813185][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1621.813185][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1621.813185][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1621.813185][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1621.813185][ T73] addrconf_dad_begin+0x310/0x670 [ 1621.813185][ T73] addrconf_dad_work+0x10b/0xab0 [ 1621.813185][ T73] process_one_work+0x84d/0x18a0 [ 1621.813185][ T73] worker_thread+0x587/0xd30 [ 1621.813185][ T73] kthread+0x28a/0x350 [ 1621.813185][ T73] ret_from_fork+0x31/0x70 [ 1621.813185][ T73] ret_from_fork_asm+0x1a/0x30 [ 1621.813185][ T73] [ 1621.815586][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1621.815586][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.815586][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.815586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.815586][ T73] ip6_route_add+0x1c/0x140 [ 1621.815586][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1621.815586][ T73] inet6_addr_add+0x4f8/0xa40 [ 1621.815586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.815586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.815586][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.815586][ T73] netlink_unicast+0x449/0x710 [ 1621.815586][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.815586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.815586][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.815586][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.815586][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.815586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.815586][ T73] [ 1621.818096][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1621.818096][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.818096][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.818096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.818096][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1621.818096][ T73] ipv6_add_addr+0x411/0x2000 [ 1621.818096][ T73] inet6_addr_add+0x30e/0xa40 [ 1621.818096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.818096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.818096][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.818096][ T73] netlink_unicast+0x449/0x710 [ 1621.818096][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.818096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.818096][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.818096][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.818096][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.818096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.818096][ T73] [ 1621.820537][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1621.820537][ T73] netdev_get_by_index+0x5e/0x80 [ 1621.820537][ T73] fib6_nh_init+0x3d8/0x1580 [ 1621.820537][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1621.820537][ T73] ip6_route_add+0x1c/0x140 [ 1621.820537][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1621.820537][ T73] addrconf_add_dev+0xe2/0x170 [ 1621.820537][ T73] inet6_addr_add+0x12f/0xa40 [ 1621.820537][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.820537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.820537][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.820537][ T73] netlink_unicast+0x449/0x710 [ 1621.820537][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.820537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.820537][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.820537][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.820537][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.820537][ T73] [ 1621.823013][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1621.823013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1621.823013][ T73] ipv6_find_idev+0x102/0x170 [ 1621.823013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.823013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.823013][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.823013][ T73] netlink_unicast+0x449/0x710 [ 1621.823013][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.823013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.823013][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.823013][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.823013][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.823013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.823013][ T73] [ 1621.824991][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1621.824991][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1621.824991][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1621.824991][ T73] ipv6_find_idev+0x102/0x170 [ 1621.824991][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.824991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.824991][ T73] netlink_rcv_skb+0x130/0x360 [ 1621.824991][ T73] netlink_unicast+0x449/0x710 [ 1621.824991][ T73] netlink_sendmsg+0x723/0xbe0 [ 1621.824991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1621.824991][ T73] ___sys_sendmsg+0xee/0x170 [ 1621.824991][ T73] __sys_sendmsg+0xcd/0x170 [ 1621.824991][ T73] do_syscall_64+0xc6/0x1e0 [ 1621.824991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.824991][ T73] [ 1631.870905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1631.871427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.871427][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1631.871427][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1631.871427][ T73] fib6_nh_init+0xa22/0x1580 [ 1631.871427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.871427][ T73] ip6_route_add+0x1c/0x140 [ 1631.871427][ T73] inet6_rtm_newroute+0x104/0x110 [ 1631.871427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.871427][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.871427][ T73] netlink_unicast+0x449/0x710 [ 1631.871427][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.871427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.871427][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.871427][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.871427][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.871427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.871427][ T73] [ 1631.873372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.873372][ T73] dst_init+0x84/0x4a0 [ 1631.873372][ T73] dst_alloc+0x97/0x150 [ 1631.873372][ T73] ip6_dst_alloc+0x23/0x90 [ 1631.873372][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1631.873372][ T73] ip6_pol_route+0x56f/0x840 [ 1631.873372][ T73] fib6_rule_lookup+0x456/0x630 [ 1631.873372][ T73] ip6_route_input+0x59c/0xa50 [ 1631.873372][ T73] ipv6_rcv+0x397/0x810 [ 1631.873372][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1631.873372][ T73] process_backlog+0x101/0x620 [ 1631.873372][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1631.873372][ T73] net_rx_action+0x495/0xbe0 [ 1631.873372][ T73] __do_softirq+0x1b5/0x7f6 [ 1631.873372][ T73] [ 1631.875026][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.875026][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.875026][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.875026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.875026][ T73] ip6_route_add+0x1c/0x140 [ 1631.875026][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1631.875026][ T73] inet6_addr_add+0x4f8/0xa40 [ 1631.875026][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.875026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.875026][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.875026][ T73] netlink_unicast+0x449/0x710 [ 1631.875026][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.875026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.875026][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.875026][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.875026][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.875026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.875026][ T73] [ 1631.877033][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.877033][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.877033][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.877033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.877033][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1631.877033][ T73] ipv6_add_addr+0x411/0x2000 [ 1631.877033][ T73] inet6_addr_add+0x30e/0xa40 [ 1631.877033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.877033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.877033][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.877033][ T73] netlink_unicast+0x449/0x710 [ 1631.877033][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.877033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.877033][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.877033][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.877033][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.877033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.877033][ T73] [ 1631.879063][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.879063][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.879063][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.879063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.879063][ T73] ip6_route_add+0x1c/0x140 [ 1631.879063][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1631.879063][ T73] addrconf_add_dev+0xe2/0x170 [ 1631.879063][ T73] inet6_addr_add+0x12f/0xa40 [ 1631.879063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.879063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.879063][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.879063][ T73] netlink_unicast+0x449/0x710 [ 1631.879063][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.879063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.879063][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.879063][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.879063][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.879063][ T73] [ 1631.881037][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.881037][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1631.881037][ T73] ipv6_find_idev+0x102/0x170 [ 1631.881037][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.881037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.881037][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.881037][ T73] netlink_unicast+0x449/0x710 [ 1631.881037][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.881037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.881037][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.881037][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.881037][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.881037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.881037][ T73] [ 1631.882588][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1631.882588][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1631.882588][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1631.882588][ T73] ipv6_find_idev+0x102/0x170 [ 1631.882588][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.882588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.882588][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.882588][ T73] netlink_unicast+0x449/0x710 [ 1631.882588][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.882588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.882588][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.882588][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.882588][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.882588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.882588][ T73] [ 1631.884331][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1631.884614][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.884614][ T73] dst_init+0x84/0x4a0 [ 1631.884614][ T73] dst_alloc+0x97/0x150 [ 1631.884614][ T73] ip6_dst_alloc+0x23/0x90 [ 1631.884614][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1631.884614][ T73] ip6_pol_route+0x56f/0x840 [ 1631.884614][ T73] fib6_rule_lookup+0x456/0x630 [ 1631.884614][ T73] ip6_route_input+0x59c/0xa50 [ 1631.884614][ T73] ipv6_rcv+0x397/0x810 [ 1631.884614][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1631.884614][ T73] process_backlog+0x101/0x620 [ 1631.884614][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1631.884614][ T73] net_rx_action+0x495/0xbe0 [ 1631.884614][ T73] __do_softirq+0x1b5/0x7f6 [ 1631.884614][ T73] [ 1631.886277][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.886277][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.886277][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.886277][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.886277][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1631.886277][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1631.886277][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1631.886277][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1631.886277][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1631.886277][ T73] addrconf_dad_begin+0x310/0x670 [ 1631.886277][ T73] addrconf_dad_work+0x10b/0xab0 [ 1631.886277][ T73] process_one_work+0x84d/0x18a0 [ 1631.886277][ T73] worker_thread+0x587/0xd30 [ 1631.886277][ T73] kthread+0x28a/0x350 [ 1631.886277][ T73] ret_from_fork+0x31/0x70 [ 1631.886277][ T73] ret_from_fork_asm+0x1a/0x30 [ 1631.886277][ T73] [ 1631.888192][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.888192][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.888192][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.888192][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.888192][ T73] ip6_route_add+0x1c/0x140 [ 1631.888192][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1631.888192][ T73] inet6_addr_add+0x4f8/0xa40 [ 1631.888192][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.888192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.888192][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.888192][ T73] netlink_unicast+0x449/0x710 [ 1631.888192][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.888192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.888192][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.888192][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.888192][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.888192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.888192][ T73] [ 1631.890195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.890195][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.890195][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.890195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.890195][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1631.890195][ T73] ipv6_add_addr+0x411/0x2000 [ 1631.890195][ T73] inet6_addr_add+0x30e/0xa40 [ 1631.890195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.890195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.890195][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.890195][ T73] netlink_unicast+0x449/0x710 [ 1631.890195][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.890195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.890195][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.890195][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.890195][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.890195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.890195][ T73] [ 1631.892197][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.892197][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.892197][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.892197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.892197][ T73] ip6_route_add+0x1c/0x140 [ 1631.892197][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1631.892197][ T73] addrconf_add_dev+0xe2/0x170 [ 1631.892197][ T73] inet6_addr_add+0x12f/0xa40 [ 1631.892197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.892197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.892197][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.892197][ T73] netlink_unicast+0x449/0x710 [ 1631.892197][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.892197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.892197][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.892197][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.892197][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.892197][ T73] [ 1631.894183][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.894183][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1631.894183][ T73] ipv6_find_idev+0x102/0x170 [ 1631.894183][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.894183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.894183][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.894183][ T73] netlink_unicast+0x449/0x710 [ 1631.894183][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.894183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.894183][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.894183][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.894183][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.894183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.894183][ T73] [ 1631.895744][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1631.895744][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1631.895744][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1631.895744][ T73] ipv6_find_idev+0x102/0x170 [ 1631.895744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.895744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.895744][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.895744][ T73] netlink_unicast+0x449/0x710 [ 1631.895744][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.895744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.895744][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.895744][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.895744][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.895744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.895744][ T73] [ 1631.897563][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1631.897865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.897865][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1631.897865][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1631.897865][ T73] fib6_nh_init+0xa22/0x1580 [ 1631.897865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.897865][ T73] ip6_route_add+0x1c/0x140 [ 1631.897865][ T73] inet6_rtm_newroute+0x104/0x110 [ 1631.897865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.897865][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.897865][ T73] netlink_unicast+0x449/0x710 [ 1631.897865][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.897865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.897865][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.897865][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.897865][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.897865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.897865][ T73] [ 1631.900002][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.900002][ T73] dst_init+0x84/0x4a0 [ 1631.900002][ T73] dst_alloc+0x97/0x150 [ 1631.900002][ T73] ip6_dst_alloc+0x23/0x90 [ 1631.900002][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1631.900002][ T73] ip6_pol_route+0x56f/0x840 [ 1631.900002][ T73] fib6_rule_lookup+0x456/0x630 [ 1631.900002][ T73] ip6_route_input+0x59c/0xa50 [ 1631.900002][ T73] ipv6_rcv+0x397/0x810 [ 1631.900002][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1631.900002][ T73] process_backlog+0x101/0x620 [ 1631.900002][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1631.900002][ T73] net_rx_action+0x495/0xbe0 [ 1631.900002][ T73] __do_softirq+0x1b5/0x7f6 [ 1631.900002][ T73] [ 1631.901827][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.901827][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.901827][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.901827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.901827][ T73] ip6_route_add+0x1c/0x140 [ 1631.901827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1631.901827][ T73] inet6_addr_add+0x4f8/0xa40 [ 1631.901827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.901827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.901827][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.901827][ T73] netlink_unicast+0x449/0x710 [ 1631.901827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.901827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.901827][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.901827][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.901827][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.901827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.901827][ T73] [ 1631.904106][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.904106][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.904106][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.904106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.904106][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1631.904106][ T73] ipv6_add_addr+0x411/0x2000 [ 1631.904106][ T73] inet6_addr_add+0x30e/0xa40 [ 1631.904106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.904106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.904106][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.904106][ T73] netlink_unicast+0x449/0x710 [ 1631.904106][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.904106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.904106][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.904106][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.904106][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.904106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.904106][ T73] [ 1631.906357][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.906357][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.906357][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.906357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.906357][ T73] ip6_route_add+0x1c/0x140 [ 1631.906357][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1631.906357][ T73] addrconf_add_dev+0xe2/0x170 [ 1631.906357][ T73] inet6_addr_add+0x12f/0xa40 [ 1631.906357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.906357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.906357][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.906357][ T73] netlink_unicast+0x449/0x710 [ 1631.906357][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.906357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.906357][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.906357][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.906357][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.906357][ T73] [ 1631.908645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.908645][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1631.908645][ T73] ipv6_find_idev+0x102/0x170 [ 1631.908645][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.908645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.908645][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.908645][ T73] netlink_unicast+0x449/0x710 [ 1631.908645][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.908645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.908645][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.908645][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.908645][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.908645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.908645][ T73] [ 1631.910313][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1631.910313][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1631.910313][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1631.910313][ T73] ipv6_find_idev+0x102/0x170 [ 1631.910313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.910313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.910313][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.910313][ T73] netlink_unicast+0x449/0x710 [ 1631.910313][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.910313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.910313][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.910313][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.910313][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.910313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.910313][ T73] [ 1631.912263][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1631.912549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1631.912549][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.912549][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.912549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.912549][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1631.912549][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1631.912549][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1631.912549][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1631.912549][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1631.912549][ T73] addrconf_dad_begin+0x310/0x670 [ 1631.912549][ T73] addrconf_dad_work+0x10b/0xab0 [ 1631.912549][ T73] process_one_work+0x84d/0x18a0 [ 1631.912549][ T73] worker_thread+0x587/0xd30 [ 1631.912549][ T73] kthread+0x28a/0x350 [ 1631.912549][ T73] ret_from_fork+0x31/0x70 [ 1631.912549][ T73] ret_from_fork_asm+0x1a/0x30 [ 1631.912549][ T73] [ 1631.914735][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1631.914735][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.914735][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.914735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.914735][ T73] ip6_route_add+0x1c/0x140 [ 1631.914735][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1631.914735][ T73] inet6_addr_add+0x4f8/0xa40 [ 1631.914735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.914735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.914735][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.914735][ T73] netlink_unicast+0x449/0x710 [ 1631.914735][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.914735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.914735][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.914735][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.914735][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.914735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.914735][ T73] [ 1631.917039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1631.917039][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.917039][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.917039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.917039][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1631.917039][ T73] ipv6_add_addr+0x411/0x2000 [ 1631.917039][ T73] inet6_addr_add+0x30e/0xa40 [ 1631.917039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.917039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.917039][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.917039][ T73] netlink_unicast+0x449/0x710 [ 1631.917039][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.917039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.917039][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.917039][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.917039][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.917039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.917039][ T73] [ 1631.919237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1631.919237][ T73] netdev_get_by_index+0x5e/0x80 [ 1631.919237][ T73] fib6_nh_init+0x3d8/0x1580 [ 1631.919237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1631.919237][ T73] ip6_route_add+0x1c/0x140 [ 1631.919237][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1631.919237][ T73] addrconf_add_dev+0xe2/0x170 [ 1631.919237][ T73] inet6_addr_add+0x12f/0xa40 [ 1631.919237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.919237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.919237][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.919237][ T73] netlink_unicast+0x449/0x710 [ 1631.919237][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.919237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.919237][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.919237][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.919237][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.919237][ T73] [ 1631.921469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1631.921469][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1631.921469][ T73] ipv6_find_idev+0x102/0x170 [ 1631.921469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.921469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.921469][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.921469][ T73] netlink_unicast+0x449/0x710 [ 1631.921469][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.921469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.921469][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.921469][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.921469][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.921469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.921469][ T73] [ 1631.923198][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1631.923198][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1631.923198][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1631.923198][ T73] ipv6_find_idev+0x102/0x170 [ 1631.923198][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.923198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.923198][ T73] netlink_rcv_skb+0x130/0x360 [ 1631.923198][ T73] netlink_unicast+0x449/0x710 [ 1631.923198][ T73] netlink_sendmsg+0x723/0xbe0 [ 1631.923198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1631.923198][ T73] ___sys_sendmsg+0xee/0x170 [ 1631.923198][ T73] __sys_sendmsg+0xcd/0x170 [ 1631.923198][ T73] do_syscall_64+0xc6/0x1e0 [ 1631.923198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.923198][ T73] [ 1642.166933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1642.167413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.167413][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1642.167413][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1642.167413][ T73] fib6_nh_init+0xa22/0x1580 [ 1642.167413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.167413][ T73] ip6_route_add+0x1c/0x140 [ 1642.167413][ T73] inet6_rtm_newroute+0x104/0x110 [ 1642.167413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.167413][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.167413][ T73] netlink_unicast+0x449/0x710 [ 1642.167413][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.167413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.167413][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.167413][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.167413][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.167413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.167413][ T73] [ 1642.169330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.169330][ T73] dst_init+0x84/0x4a0 [ 1642.169330][ T73] dst_alloc+0x97/0x150 [ 1642.169330][ T73] ip6_dst_alloc+0x23/0x90 [ 1642.169330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1642.169330][ T73] ip6_pol_route+0x56f/0x840 [ 1642.169330][ T73] fib6_rule_lookup+0x456/0x630 [ 1642.169330][ T73] ip6_route_input+0x59c/0xa50 [ 1642.169330][ T73] ipv6_rcv+0x397/0x810 [ 1642.169330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1642.169330][ T73] process_backlog+0x101/0x620 [ 1642.169330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1642.169330][ T73] net_rx_action+0x495/0xbe0 [ 1642.169330][ T73] __do_softirq+0x1b5/0x7f6 [ 1642.169330][ T73] [ 1642.170993][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.170993][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.170993][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.170993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.170993][ T73] ip6_route_add+0x1c/0x140 [ 1642.170993][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1642.170993][ T73] inet6_addr_add+0x4f8/0xa40 [ 1642.170993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.170993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.170993][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.170993][ T73] netlink_unicast+0x449/0x710 [ 1642.170993][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.170993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.170993][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.170993][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.170993][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.170993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.170993][ T73] [ 1642.173021][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.173021][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.173021][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.173021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.173021][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1642.173021][ T73] ipv6_add_addr+0x411/0x2000 [ 1642.173021][ T73] inet6_addr_add+0x30e/0xa40 [ 1642.173021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.173021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.173021][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.173021][ T73] netlink_unicast+0x449/0x710 [ 1642.173021][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.173021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.173021][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.173021][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.173021][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.173021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.173021][ T73] [ 1642.175037][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.175037][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.175037][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.175037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.175037][ T73] ip6_route_add+0x1c/0x140 [ 1642.175037][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1642.175037][ T73] addrconf_add_dev+0xe2/0x170 [ 1642.175037][ T73] inet6_addr_add+0x12f/0xa40 [ 1642.175037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.175037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.175037][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.175037][ T73] netlink_unicast+0x449/0x710 [ 1642.175037][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.175037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.175037][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.175037][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.175037][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.175037][ T73] [ 1642.177028][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.177028][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1642.177028][ T73] ipv6_find_idev+0x102/0x170 [ 1642.177028][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.177028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.177028][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.177028][ T73] netlink_unicast+0x449/0x710 [ 1642.177028][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.177028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.177028][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.177028][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.177028][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.177028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.177028][ T73] [ 1642.178583][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1642.178583][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1642.178583][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1642.178583][ T73] ipv6_find_idev+0x102/0x170 [ 1642.178583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.178583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.178583][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.178583][ T73] netlink_unicast+0x449/0x710 [ 1642.178583][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.178583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.178583][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.178583][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.178583][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.178583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.178583][ T73] [ 1642.180305][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1642.180582][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.180582][ T73] dst_init+0x84/0x4a0 [ 1642.180582][ T73] dst_alloc+0x97/0x150 [ 1642.180582][ T73] ip6_dst_alloc+0x23/0x90 [ 1642.180582][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1642.180582][ T73] ip6_pol_route+0x56f/0x840 [ 1642.180582][ T73] fib6_rule_lookup+0x456/0x630 [ 1642.180582][ T73] ip6_route_input+0x59c/0xa50 [ 1642.180582][ T73] ipv6_rcv+0x397/0x810 [ 1642.180582][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1642.180582][ T73] process_backlog+0x101/0x620 [ 1642.180582][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1642.180582][ T73] net_rx_action+0x495/0xbe0 [ 1642.180582][ T73] __do_softirq+0x1b5/0x7f6 [ 1642.180582][ T73] [ 1642.182241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.182241][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.182241][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.182241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.182241][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1642.182241][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1642.182241][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1642.182241][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1642.182241][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1642.182241][ T73] addrconf_dad_begin+0x310/0x670 [ 1642.182241][ T73] addrconf_dad_work+0x10b/0xab0 [ 1642.182241][ T73] process_one_work+0x84d/0x18a0 [ 1642.182241][ T73] worker_thread+0x587/0xd30 [ 1642.182241][ T73] kthread+0x28a/0x350 [ 1642.182241][ T73] ret_from_fork+0x31/0x70 [ 1642.182241][ T73] ret_from_fork_asm+0x1a/0x30 [ 1642.182241][ T73] [ 1642.184166][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.184166][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.184166][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.184166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.184166][ T73] ip6_route_add+0x1c/0x140 [ 1642.184166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1642.184166][ T73] inet6_addr_add+0x4f8/0xa40 [ 1642.184166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.184166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.184166][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.184166][ T73] netlink_unicast+0x449/0x710 [ 1642.184166][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.184166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.184166][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.184166][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.184166][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.184166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.184166][ T73] [ 1642.186175][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.186175][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.186175][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.186175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.186175][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1642.186175][ T73] ipv6_add_addr+0x411/0x2000 [ 1642.186175][ T73] inet6_addr_add+0x30e/0xa40 [ 1642.186175][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.186175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.186175][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.186175][ T73] netlink_unicast+0x449/0x710 [ 1642.186175][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.186175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.186175][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.186175][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.186175][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.186175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.186175][ T73] [ 1642.188203][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.188203][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.188203][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.188203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.188203][ T73] ip6_route_add+0x1c/0x140 [ 1642.188203][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1642.188203][ T73] addrconf_add_dev+0xe2/0x170 [ 1642.188203][ T73] inet6_addr_add+0x12f/0xa40 [ 1642.188203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.188203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.188203][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.188203][ T73] netlink_unicast+0x449/0x710 [ 1642.188203][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.188203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.188203][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.188203][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.188203][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.188203][ T73] [ 1642.190182][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.190182][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1642.190182][ T73] ipv6_find_idev+0x102/0x170 [ 1642.190182][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.190182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.190182][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.190182][ T73] netlink_unicast+0x449/0x710 [ 1642.190182][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.190182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.190182][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.190182][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.190182][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.190182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.190182][ T73] [ 1642.191731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1642.191731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1642.191731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1642.191731][ T73] ipv6_find_idev+0x102/0x170 [ 1642.191731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.191731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.191731][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.191731][ T73] netlink_unicast+0x449/0x710 [ 1642.191731][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.191731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.191731][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.191731][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.191731][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.191731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.191731][ T73] [ 1642.193578][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1642.193880][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.193880][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1642.193880][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1642.193880][ T73] fib6_nh_init+0xa22/0x1580 [ 1642.193880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.193880][ T73] ip6_route_add+0x1c/0x140 [ 1642.193880][ T73] inet6_rtm_newroute+0x104/0x110 [ 1642.193880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.193880][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.193880][ T73] netlink_unicast+0x449/0x710 [ 1642.193880][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.193880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.193880][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.193880][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.193880][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.193880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.193880][ T73] [ 1642.196009][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.196009][ T73] dst_init+0x84/0x4a0 [ 1642.196009][ T73] dst_alloc+0x97/0x150 [ 1642.196009][ T73] ip6_dst_alloc+0x23/0x90 [ 1642.196009][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1642.196009][ T73] ip6_pol_route+0x56f/0x840 [ 1642.196009][ T73] fib6_rule_lookup+0x456/0x630 [ 1642.196009][ T73] ip6_route_input+0x59c/0xa50 [ 1642.196009][ T73] ipv6_rcv+0x397/0x810 [ 1642.196009][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1642.196009][ T73] process_backlog+0x101/0x620 [ 1642.196009][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1642.196009][ T73] net_rx_action+0x495/0xbe0 [ 1642.196009][ T73] __do_softirq+0x1b5/0x7f6 [ 1642.196009][ T73] [ 1642.197893][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.197893][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.197893][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.197893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.197893][ T73] ip6_route_add+0x1c/0x140 [ 1642.197893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1642.197893][ T73] inet6_addr_add+0x4f8/0xa40 [ 1642.197893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.197893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.197893][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.197893][ T73] netlink_unicast+0x449/0x710 [ 1642.197893][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.197893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.197893][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.197893][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.197893][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.197893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.197893][ T73] [ 1642.200141][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.200141][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.200141][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.200141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.200141][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1642.200141][ T73] ipv6_add_addr+0x411/0x2000 [ 1642.200141][ T73] inet6_addr_add+0x30e/0xa40 [ 1642.200141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.200141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.200141][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.200141][ T73] netlink_unicast+0x449/0x710 [ 1642.200141][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.200141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.200141][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.200141][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.200141][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.200141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.200141][ T73] [ 1642.202388][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.202388][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.202388][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.202388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.202388][ T73] ip6_route_add+0x1c/0x140 [ 1642.202388][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1642.202388][ T73] addrconf_add_dev+0xe2/0x170 [ 1642.202388][ T73] inet6_addr_add+0x12f/0xa40 [ 1642.202388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.202388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.202388][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.202388][ T73] netlink_unicast+0x449/0x710 [ 1642.202388][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.202388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.202388][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.202388][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.202388][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.202388][ T73] [ 1642.204602][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.204602][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1642.204602][ T73] ipv6_find_idev+0x102/0x170 [ 1642.204602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.204602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.204602][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.204602][ T73] netlink_unicast+0x449/0x710 [ 1642.204602][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.204602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.204602][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.204602][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.204602][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.204602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.204602][ T73] [ 1642.206296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1642.206296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1642.206296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1642.206296][ T73] ipv6_find_idev+0x102/0x170 [ 1642.206296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.206296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.206296][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.206296][ T73] netlink_unicast+0x449/0x710 [ 1642.206296][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.206296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.206296][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.206296][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.206296][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.206296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.206296][ T73] [ 1642.208323][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1642.208600][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1642.208600][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.208600][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.208600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.208600][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1642.208600][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1642.208600][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1642.208600][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1642.208600][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1642.208600][ T73] addrconf_dad_begin+0x310/0x670 [ 1642.208600][ T73] addrconf_dad_work+0x10b/0xab0 [ 1642.208600][ T73] process_one_work+0x84d/0x18a0 [ 1642.208600][ T73] worker_thread+0x587/0xd30 [ 1642.208600][ T73] kthread+0x28a/0x350 [ 1642.208600][ T73] ret_from_fork+0x31/0x70 [ 1642.208600][ T73] ret_from_fork_asm+0x1a/0x30 [ 1642.208600][ T73] [ 1642.210758][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1642.210758][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.210758][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.210758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.210758][ T73] ip6_route_add+0x1c/0x140 [ 1642.210758][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1642.210758][ T73] inet6_addr_add+0x4f8/0xa40 [ 1642.210758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.210758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.210758][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.210758][ T73] netlink_unicast+0x449/0x710 [ 1642.210758][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.210758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.210758][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.210758][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.210758][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.210758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.210758][ T73] [ 1642.213028][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1642.213028][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.213028][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.213028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.213028][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1642.213028][ T73] ipv6_add_addr+0x411/0x2000 [ 1642.213028][ T73] inet6_addr_add+0x30e/0xa40 [ 1642.213028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.213028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.213028][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.213028][ T73] netlink_unicast+0x449/0x710 [ 1642.213028][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.213028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.213028][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.213028][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.213028][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.213028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.213028][ T73] [ 1642.215225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1642.215225][ T73] netdev_get_by_index+0x5e/0x80 [ 1642.215225][ T73] fib6_nh_init+0x3d8/0x1580 [ 1642.215225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1642.215225][ T73] ip6_route_add+0x1c/0x140 [ 1642.215225][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1642.215225][ T73] addrconf_add_dev+0xe2/0x170 [ 1642.215225][ T73] inet6_addr_add+0x12f/0xa40 [ 1642.215225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1642.215225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.215225][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.215225][ T73] netlink_unicast+0x449/0x710 [ 1642.215225][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.215225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.215225][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.215225][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.215225][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.215225][ T73] [ 1642.217497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1642.217497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1642.217497][ T73] ipv6_find_idev+0x102/0x170 [ 1642.217497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.217497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.217497][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.217497][ T73] netlink_unicast+0x449/0x710 [ 1642.217497][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.217497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.217497][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.217497][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.217497][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.217497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.217497][ T73] [ 1642.219232][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1642.219232][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1642.219232][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1642.219232][ T73] ipv6_find_idev+0x102/0x170 [ 1642.219232][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1642.219232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1642.219232][ T73] netlink_rcv_skb+0x130/0x360 [ 1642.219232][ T73] netlink_unicast+0x449/0x710 [ 1642.219232][ T73] netlink_sendmsg+0x723/0xbe0 [ 1642.219232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1642.219232][ T73] ___sys_sendmsg+0xee/0x170 [ 1642.219232][ T73] __sys_sendmsg+0xcd/0x170 [ 1642.219232][ T73] do_syscall_64+0xc6/0x1e0 [ 1642.219232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1642.219232][ T73] [ 1652.462852][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1652.463321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.463321][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1652.463321][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1652.463321][ T73] fib6_nh_init+0xa22/0x1580 [ 1652.463321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.463321][ T73] ip6_route_add+0x1c/0x140 [ 1652.463321][ T73] inet6_rtm_newroute+0x104/0x110 [ 1652.463321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.463321][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.463321][ T73] netlink_unicast+0x449/0x710 [ 1652.463321][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.463321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.463321][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.463321][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.463321][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.463321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.463321][ T73] [ 1652.465238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.465238][ T73] dst_init+0x84/0x4a0 [ 1652.465238][ T73] dst_alloc+0x97/0x150 [ 1652.465238][ T73] ip6_dst_alloc+0x23/0x90 [ 1652.465238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1652.465238][ T73] ip6_pol_route+0x56f/0x840 [ 1652.465238][ T73] fib6_rule_lookup+0x456/0x630 [ 1652.465238][ T73] ip6_route_input+0x59c/0xa50 [ 1652.465238][ T73] ipv6_rcv+0x397/0x810 [ 1652.465238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1652.465238][ T73] process_backlog+0x101/0x620 [ 1652.465238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1652.465238][ T73] net_rx_action+0x495/0xbe0 [ 1652.465238][ T73] __do_softirq+0x1b5/0x7f6 [ 1652.465238][ T73] [ 1652.466896][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.466896][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.466896][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.466896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.466896][ T73] ip6_route_add+0x1c/0x140 [ 1652.466896][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1652.466896][ T73] inet6_addr_add+0x4f8/0xa40 [ 1652.466896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.466896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.466896][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.466896][ T73] netlink_unicast+0x449/0x710 [ 1652.466896][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.466896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.466896][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.466896][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.466896][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.466896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.466896][ T73] [ 1652.468928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.468928][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.468928][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.468928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.468928][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1652.468928][ T73] ipv6_add_addr+0x411/0x2000 [ 1652.468928][ T73] inet6_addr_add+0x30e/0xa40 [ 1652.468928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.468928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.468928][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.468928][ T73] netlink_unicast+0x449/0x710 [ 1652.468928][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.468928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.468928][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.468928][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.468928][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.468928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.468928][ T73] [ 1652.470952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.470952][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.470952][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.470952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.470952][ T73] ip6_route_add+0x1c/0x140 [ 1652.470952][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1652.470952][ T73] addrconf_add_dev+0xe2/0x170 [ 1652.470952][ T73] inet6_addr_add+0x12f/0xa40 [ 1652.470952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.470952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.470952][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.470952][ T73] netlink_unicast+0x449/0x710 [ 1652.470952][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.470952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.470952][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.470952][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.470952][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.470952][ T73] [ 1652.472948][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.472948][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1652.472948][ T73] ipv6_find_idev+0x102/0x170 [ 1652.472948][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.472948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.472948][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.472948][ T73] netlink_unicast+0x449/0x710 [ 1652.472948][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.472948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.472948][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.472948][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.472948][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.472948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.472948][ T73] [ 1652.474506][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1652.474506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1652.474506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1652.474506][ T73] ipv6_find_idev+0x102/0x170 [ 1652.474506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.474506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.474506][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.474506][ T73] netlink_unicast+0x449/0x710 [ 1652.474506][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.474506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.474506][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.474506][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.474506][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.474506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.474506][ T73] [ 1652.476231][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1652.476506][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.476506][ T73] dst_init+0x84/0x4a0 [ 1652.476506][ T73] dst_alloc+0x97/0x150 [ 1652.476506][ T73] ip6_dst_alloc+0x23/0x90 [ 1652.476506][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1652.476506][ T73] ip6_pol_route+0x56f/0x840 [ 1652.476506][ T73] fib6_rule_lookup+0x456/0x630 [ 1652.476506][ T73] ip6_route_input+0x59c/0xa50 [ 1652.476506][ T73] ipv6_rcv+0x397/0x810 [ 1652.476506][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1652.476506][ T73] process_backlog+0x101/0x620 [ 1652.476506][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1652.476506][ T73] net_rx_action+0x495/0xbe0 [ 1652.476506][ T73] __do_softirq+0x1b5/0x7f6 [ 1652.476506][ T73] [ 1652.478160][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.478160][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.478160][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.478160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.478160][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1652.478160][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1652.478160][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1652.478160][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1652.478160][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1652.478160][ T73] addrconf_dad_begin+0x310/0x670 [ 1652.478160][ T73] addrconf_dad_work+0x10b/0xab0 [ 1652.478160][ T73] process_one_work+0x84d/0x18a0 [ 1652.478160][ T73] worker_thread+0x587/0xd30 [ 1652.478160][ T73] kthread+0x28a/0x350 [ 1652.478160][ T73] ret_from_fork+0x31/0x70 [ 1652.478160][ T73] ret_from_fork_asm+0x1a/0x30 [ 1652.478160][ T73] [ 1652.480082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.480082][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.480082][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.480082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.480082][ T73] ip6_route_add+0x1c/0x140 [ 1652.480082][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1652.480082][ T73] inet6_addr_add+0x4f8/0xa40 [ 1652.480082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.480082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.480082][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.480082][ T73] netlink_unicast+0x449/0x710 [ 1652.480082][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.480082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.480082][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.480082][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.480082][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.480082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.480082][ T73] [ 1652.482108][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.482108][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.482108][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.482108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.482108][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1652.482108][ T73] ipv6_add_addr+0x411/0x2000 [ 1652.482108][ T73] inet6_addr_add+0x30e/0xa40 [ 1652.482108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.482108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.482108][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.482108][ T73] netlink_unicast+0x449/0x710 [ 1652.482108][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.482108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.482108][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.482108][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.482108][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.482108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.482108][ T73] [ 1652.484139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.484139][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.484139][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.484139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.484139][ T73] ip6_route_add+0x1c/0x140 [ 1652.484139][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1652.484139][ T73] addrconf_add_dev+0xe2/0x170 [ 1652.484139][ T73] inet6_addr_add+0x12f/0xa40 [ 1652.484139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.484139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.484139][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.484139][ T73] netlink_unicast+0x449/0x710 [ 1652.484139][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.484139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.484139][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.484139][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.484139][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.484139][ T73] [ 1652.486110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.486110][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1652.486110][ T73] ipv6_find_idev+0x102/0x170 [ 1652.486110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.486110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.486110][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.486110][ T73] netlink_unicast+0x449/0x710 [ 1652.486110][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.486110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.486110][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.486110][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.486110][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.486110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.486110][ T73] [ 1652.487650][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1652.487650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1652.487650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1652.487650][ T73] ipv6_find_idev+0x102/0x170 [ 1652.487650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.487650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.487650][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.487650][ T73] netlink_unicast+0x449/0x710 [ 1652.487650][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.487650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.487650][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.487650][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.487650][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.487650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.487650][ T73] [ 1652.489494][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1652.489766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.489766][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1652.489766][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1652.489766][ T73] fib6_nh_init+0xa22/0x1580 [ 1652.489766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.489766][ T73] ip6_route_add+0x1c/0x140 [ 1652.489766][ T73] inet6_rtm_newroute+0x104/0x110 [ 1652.489766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.489766][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.489766][ T73] netlink_unicast+0x449/0x710 [ 1652.489766][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.489766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.489766][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.489766][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.489766][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.489766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.489766][ T73] [ 1652.491896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.491896][ T73] dst_init+0x84/0x4a0 [ 1652.491896][ T73] dst_alloc+0x97/0x150 [ 1652.491896][ T73] ip6_dst_alloc+0x23/0x90 [ 1652.491896][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1652.491896][ T73] ip6_pol_route+0x56f/0x840 [ 1652.491896][ T73] fib6_rule_lookup+0x456/0x630 [ 1652.491896][ T73] ip6_route_input+0x59c/0xa50 [ 1652.491896][ T73] ipv6_rcv+0x397/0x810 [ 1652.491896][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1652.491896][ T73] process_backlog+0x101/0x620 [ 1652.491896][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1652.491896][ T73] net_rx_action+0x495/0xbe0 [ 1652.491896][ T73] __do_softirq+0x1b5/0x7f6 [ 1652.491896][ T73] [ 1652.493720][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.493720][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.493720][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.493720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.493720][ T73] ip6_route_add+0x1c/0x140 [ 1652.493720][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1652.493720][ T73] inet6_addr_add+0x4f8/0xa40 [ 1652.493720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.493720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.493720][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.493720][ T73] netlink_unicast+0x449/0x710 [ 1652.493720][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.493720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.493720][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.493720][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.493720][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.493720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.493720][ T73] [ 1652.496484][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.496484][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.496484][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.496484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.496484][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1652.496484][ T73] ipv6_add_addr+0x411/0x2000 [ 1652.496484][ T73] inet6_addr_add+0x30e/0xa40 [ 1652.496484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.496484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.496484][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.496484][ T73] netlink_unicast+0x449/0x710 [ 1652.496484][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.496484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.496484][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.496484][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.496484][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.496484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.496484][ T73] [ 1652.498795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.498795][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.498795][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.498795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.498795][ T73] ip6_route_add+0x1c/0x140 [ 1652.498795][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1652.498795][ T73] addrconf_add_dev+0xe2/0x170 [ 1652.498795][ T73] inet6_addr_add+0x12f/0xa40 [ 1652.498795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.498795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.498795][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.498795][ T73] netlink_unicast+0x449/0x710 [ 1652.498795][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.498795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.498795][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.498795][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.498795][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.498795][ T73] [ 1652.501017][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.501017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1652.501017][ T73] ipv6_find_idev+0x102/0x170 [ 1652.501017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.501017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.501017][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.501017][ T73] netlink_unicast+0x449/0x710 [ 1652.501017][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.501017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.501017][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.501017][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.501017][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.501017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.501017][ T73] [ 1652.502694][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1652.502694][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1652.502694][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1652.502694][ T73] ipv6_find_idev+0x102/0x170 [ 1652.502694][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.502694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.502694][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.502694][ T73] netlink_unicast+0x449/0x710 [ 1652.502694][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.502694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.502694][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.502694][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.502694][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.502694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.502694][ T73] [ 1652.504639][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1652.505350][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1652.505350][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.505350][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.505350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.505350][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1652.505350][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1652.505350][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1652.505350][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1652.505350][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1652.505350][ T73] addrconf_dad_begin+0x310/0x670 [ 1652.505350][ T73] addrconf_dad_work+0x10b/0xab0 [ 1652.505350][ T73] process_one_work+0x84d/0x18a0 [ 1652.505350][ T73] worker_thread+0x587/0xd30 [ 1652.505350][ T73] kthread+0x28a/0x350 [ 1652.505350][ T73] ret_from_fork+0x31/0x70 [ 1652.505350][ T73] ret_from_fork_asm+0x1a/0x30 [ 1652.505350][ T73] [ 1652.507270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1652.507270][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.507270][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.507270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.507270][ T73] ip6_route_add+0x1c/0x140 [ 1652.507270][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1652.507270][ T73] inet6_addr_add+0x4f8/0xa40 [ 1652.507270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.507270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.507270][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.507270][ T73] netlink_unicast+0x449/0x710 [ 1652.507270][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.507270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.507270][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.507270][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.507270][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.507270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.507270][ T73] [ 1652.509774][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1652.509774][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.509774][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.509774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.509774][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1652.509774][ T73] ipv6_add_addr+0x411/0x2000 [ 1652.509774][ T73] inet6_addr_add+0x30e/0xa40 [ 1652.509774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.509774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.509774][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.509774][ T73] netlink_unicast+0x449/0x710 [ 1652.509774][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.509774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.509774][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.509774][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.509774][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.509774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.509774][ T73] [ 1652.512085][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1652.512085][ T73] netdev_get_by_index+0x5e/0x80 [ 1652.512085][ T73] fib6_nh_init+0x3d8/0x1580 [ 1652.512085][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1652.512085][ T73] ip6_route_add+0x1c/0x140 [ 1652.512085][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1652.512085][ T73] addrconf_add_dev+0xe2/0x170 [ 1652.512085][ T73] inet6_addr_add+0x12f/0xa40 [ 1652.512085][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.512085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.512085][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.512085][ T73] netlink_unicast+0x449/0x710 [ 1652.512085][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.512085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.512085][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.512085][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.512085][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.512085][ T73] [ 1652.514246][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1652.514246][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1652.514246][ T73] ipv6_find_idev+0x102/0x170 [ 1652.514246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.514246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.514246][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.514246][ T73] netlink_unicast+0x449/0x710 [ 1652.514246][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.514246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.514246][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.514246][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.514246][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.514246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.514246][ T73] [ 1652.515972][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1652.515972][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1652.515972][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1652.515972][ T73] ipv6_find_idev+0x102/0x170 [ 1652.515972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.515972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.515972][ T73] netlink_rcv_skb+0x130/0x360 [ 1652.515972][ T73] netlink_unicast+0x449/0x710 [ 1652.515972][ T73] netlink_sendmsg+0x723/0xbe0 [ 1652.515972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1652.515972][ T73] ___sys_sendmsg+0xee/0x170 [ 1652.515972][ T73] __sys_sendmsg+0xcd/0x170 [ 1652.515972][ T73] do_syscall_64+0xc6/0x1e0 [ 1652.515972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.515972][ T73] [ 1662.718903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1662.719467][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.719467][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1662.719467][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1662.719467][ T73] fib6_nh_init+0xa22/0x1580 [ 1662.719467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.719467][ T73] ip6_route_add+0x1c/0x140 [ 1662.719467][ T73] inet6_rtm_newroute+0x104/0x110 [ 1662.719467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.719467][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.719467][ T73] netlink_unicast+0x449/0x710 [ 1662.719467][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.719467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.719467][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.719467][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.719467][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.719467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.719467][ T73] [ 1662.721579][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.721579][ T73] dst_init+0x84/0x4a0 [ 1662.721579][ T73] dst_alloc+0x97/0x150 [ 1662.721579][ T73] ip6_dst_alloc+0x23/0x90 [ 1662.721579][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1662.721579][ T73] ip6_pol_route+0x56f/0x840 [ 1662.721579][ T73] fib6_rule_lookup+0x456/0x630 [ 1662.721579][ T73] ip6_route_input+0x59c/0xa50 [ 1662.721579][ T73] ipv6_rcv+0x397/0x810 [ 1662.721579][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1662.721579][ T73] process_backlog+0x101/0x620 [ 1662.721579][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1662.721579][ T73] net_rx_action+0x495/0xbe0 [ 1662.721579][ T73] __do_softirq+0x1b5/0x7f6 [ 1662.721579][ T73] [ 1662.723407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.723407][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.723407][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.723407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.723407][ T73] ip6_route_add+0x1c/0x140 [ 1662.723407][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1662.723407][ T73] inet6_addr_add+0x4f8/0xa40 [ 1662.723407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.723407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.723407][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.723407][ T73] netlink_unicast+0x449/0x710 [ 1662.723407][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.723407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.723407][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.723407][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.723407][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.723407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.723407][ T73] [ 1662.725631][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.725631][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.725631][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.725631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.725631][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1662.725631][ T73] ipv6_add_addr+0x411/0x2000 [ 1662.725631][ T73] inet6_addr_add+0x30e/0xa40 [ 1662.725631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.725631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.725631][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.725631][ T73] netlink_unicast+0x449/0x710 [ 1662.725631][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.725631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.725631][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.725631][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.725631][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.725631][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.725631][ T73] [ 1662.727876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.727876][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.727876][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.727876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.727876][ T73] ip6_route_add+0x1c/0x140 [ 1662.727876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1662.727876][ T73] addrconf_add_dev+0xe2/0x170 [ 1662.727876][ T73] inet6_addr_add+0x12f/0xa40 [ 1662.727876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.727876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.727876][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.727876][ T73] netlink_unicast+0x449/0x710 [ 1662.727876][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.727876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.727876][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.727876][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.727876][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.727876][ T73] [ 1662.730036][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.730036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1662.730036][ T73] ipv6_find_idev+0x102/0x170 [ 1662.730036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.730036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.730036][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.730036][ T73] netlink_unicast+0x449/0x710 [ 1662.730036][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.730036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.730036][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.730036][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.730036][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.730036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.730036][ T73] [ 1662.731744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1662.731744][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1662.731744][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1662.731744][ T73] ipv6_find_idev+0x102/0x170 [ 1662.731744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.731744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.731744][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.731744][ T73] netlink_unicast+0x449/0x710 [ 1662.731744][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.731744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.731744][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.731744][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.731744][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.731744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.731744][ T73] [ 1662.733644][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1662.733958][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.733958][ T73] dst_init+0x84/0x4a0 [ 1662.733958][ T73] dst_alloc+0x97/0x150 [ 1662.733958][ T73] ip6_dst_alloc+0x23/0x90 [ 1662.733958][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1662.733958][ T73] ip6_pol_route+0x56f/0x840 [ 1662.733958][ T73] fib6_rule_lookup+0x456/0x630 [ 1662.733958][ T73] ip6_route_input+0x59c/0xa50 [ 1662.733958][ T73] ipv6_rcv+0x397/0x810 [ 1662.733958][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1662.733958][ T73] process_backlog+0x101/0x620 [ 1662.733958][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1662.733958][ T73] net_rx_action+0x495/0xbe0 [ 1662.733958][ T73] __do_softirq+0x1b5/0x7f6 [ 1662.733958][ T73] [ 1662.735821][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.735821][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.735821][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.735821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.735821][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1662.735821][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1662.735821][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1662.735821][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1662.735821][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1662.735821][ T73] addrconf_dad_begin+0x310/0x670 [ 1662.735821][ T73] addrconf_dad_work+0x10b/0xab0 [ 1662.735821][ T73] process_one_work+0x84d/0x18a0 [ 1662.735821][ T73] worker_thread+0x587/0xd30 [ 1662.735821][ T73] kthread+0x28a/0x350 [ 1662.735821][ T73] ret_from_fork+0x31/0x70 [ 1662.735821][ T73] ret_from_fork_asm+0x1a/0x30 [ 1662.735821][ T73] [ 1662.737940][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.737940][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.737940][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.737940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.737940][ T73] ip6_route_add+0x1c/0x140 [ 1662.737940][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1662.737940][ T73] inet6_addr_add+0x4f8/0xa40 [ 1662.737940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.737940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.737940][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.737940][ T73] netlink_unicast+0x449/0x710 [ 1662.737940][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.737940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.737940][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.737940][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.737940][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.737940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.737940][ T73] [ 1662.740170][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.740170][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.740170][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.740170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.740170][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1662.740170][ T73] ipv6_add_addr+0x411/0x2000 [ 1662.740170][ T73] inet6_addr_add+0x30e/0xa40 [ 1662.740170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.740170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.740170][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.740170][ T73] netlink_unicast+0x449/0x710 [ 1662.740170][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.740170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.740170][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.740170][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.740170][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.740170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.740170][ T73] [ 1662.742391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.742391][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.742391][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.742391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.742391][ T73] ip6_route_add+0x1c/0x140 [ 1662.742391][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1662.742391][ T73] addrconf_add_dev+0xe2/0x170 [ 1662.742391][ T73] inet6_addr_add+0x12f/0xa40 [ 1662.742391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.742391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.742391][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.742391][ T73] netlink_unicast+0x449/0x710 [ 1662.742391][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.742391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.742391][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.742391][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.742391][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.742391][ T73] [ 1662.744607][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.744607][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1662.744607][ T73] ipv6_find_idev+0x102/0x170 [ 1662.744607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.744607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.744607][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.744607][ T73] netlink_unicast+0x449/0x710 [ 1662.744607][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.744607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.744607][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.744607][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.744607][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.744607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.744607][ T73] [ 1662.746325][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1662.746325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1662.746325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1662.746325][ T73] ipv6_find_idev+0x102/0x170 [ 1662.746325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.746325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.746325][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.746325][ T73] netlink_unicast+0x449/0x710 [ 1662.746325][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.746325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.746325][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.746325][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.746325][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.746325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.746325][ T73] [ 1662.748332][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1662.748631][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.748631][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1662.748631][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1662.748631][ T73] fib6_nh_init+0xa22/0x1580 [ 1662.748631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.748631][ T73] ip6_route_add+0x1c/0x140 [ 1662.748631][ T73] inet6_rtm_newroute+0x104/0x110 [ 1662.748631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.748631][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.748631][ T73] netlink_unicast+0x449/0x710 [ 1662.748631][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.748631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.748631][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.748631][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.748631][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.748631][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.748631][ T73] [ 1662.750978][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.750978][ T73] dst_init+0x84/0x4a0 [ 1662.750978][ T73] dst_alloc+0x97/0x150 [ 1662.750978][ T73] ip6_dst_alloc+0x23/0x90 [ 1662.750978][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1662.750978][ T73] ip6_pol_route+0x56f/0x840 [ 1662.750978][ T73] fib6_rule_lookup+0x456/0x630 [ 1662.750978][ T73] ip6_route_input+0x59c/0xa50 [ 1662.750978][ T73] ipv6_rcv+0x397/0x810 [ 1662.750978][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1662.750978][ T73] process_backlog+0x101/0x620 [ 1662.750978][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1662.750978][ T73] net_rx_action+0x495/0xbe0 [ 1662.750978][ T73] __do_softirq+0x1b5/0x7f6 [ 1662.750978][ T73] [ 1662.752987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.752987][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.752987][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.752987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.752987][ T73] ip6_route_add+0x1c/0x140 [ 1662.752987][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1662.752987][ T73] inet6_addr_add+0x4f8/0xa40 [ 1662.752987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.752987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.752987][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.752987][ T73] netlink_unicast+0x449/0x710 [ 1662.752987][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.752987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.752987][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.752987][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.752987][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.752987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.752987][ T73] [ 1662.755527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.755527][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.755527][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.755527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.755527][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1662.755527][ T73] ipv6_add_addr+0x411/0x2000 [ 1662.755527][ T73] inet6_addr_add+0x30e/0xa40 [ 1662.755527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.755527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.755527][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.755527][ T73] netlink_unicast+0x449/0x710 [ 1662.755527][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.755527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.755527][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.755527][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.755527][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.755527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.755527][ T73] [ 1662.757937][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.757937][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.757937][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.757937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.757937][ T73] ip6_route_add+0x1c/0x140 [ 1662.757937][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1662.757937][ T73] addrconf_add_dev+0xe2/0x170 [ 1662.757937][ T73] inet6_addr_add+0x12f/0xa40 [ 1662.757937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.757937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.757937][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.757937][ T73] netlink_unicast+0x449/0x710 [ 1662.757937][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.757937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.757937][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.757937][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.757937][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.757937][ T73] [ 1662.760385][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.760385][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1662.760385][ T73] ipv6_find_idev+0x102/0x170 [ 1662.760385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.760385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.760385][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.760385][ T73] netlink_unicast+0x449/0x710 [ 1662.760385][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.760385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.760385][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.760385][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.760385][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.760385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.760385][ T73] [ 1662.762290][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1662.762290][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1662.762290][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1662.762290][ T73] ipv6_find_idev+0x102/0x170 [ 1662.762290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.762290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.762290][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.762290][ T73] netlink_unicast+0x449/0x710 [ 1662.762290][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.762290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.762290][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.762290][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.762290][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.762290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.762290][ T73] [ 1662.764511][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1662.764809][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1662.764809][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.764809][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.764809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.764809][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1662.764809][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1662.764809][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1662.764809][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1662.764809][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1662.764809][ T73] addrconf_dad_begin+0x310/0x670 [ 1662.764809][ T73] addrconf_dad_work+0x10b/0xab0 [ 1662.764809][ T73] process_one_work+0x84d/0x18a0 [ 1662.764809][ T73] worker_thread+0x587/0xd30 [ 1662.764809][ T73] kthread+0x28a/0x350 [ 1662.764809][ T73] ret_from_fork+0x31/0x70 [ 1662.764809][ T73] ret_from_fork_asm+0x1a/0x30 [ 1662.764809][ T73] [ 1662.767194][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1662.767194][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.767194][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.767194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.767194][ T73] ip6_route_add+0x1c/0x140 [ 1662.767194][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1662.767194][ T73] inet6_addr_add+0x4f8/0xa40 [ 1662.767194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.767194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.767194][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.767194][ T73] netlink_unicast+0x449/0x710 [ 1662.767194][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.767194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.767194][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.767194][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.767194][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.767194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.767194][ T73] [ 1662.769617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1662.769617][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.769617][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.769617][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.769617][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1662.769617][ T73] ipv6_add_addr+0x411/0x2000 [ 1662.769617][ T73] inet6_addr_add+0x30e/0xa40 [ 1662.769617][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.769617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.769617][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.769617][ T73] netlink_unicast+0x449/0x710 [ 1662.769617][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.769617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.769617][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.769617][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.769617][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.769617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.769617][ T73] [ 1662.772099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1662.772099][ T73] netdev_get_by_index+0x5e/0x80 [ 1662.772099][ T73] fib6_nh_init+0x3d8/0x1580 [ 1662.772099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1662.772099][ T73] ip6_route_add+0x1c/0x140 [ 1662.772099][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1662.772099][ T73] addrconf_add_dev+0xe2/0x170 [ 1662.772099][ T73] inet6_addr_add+0x12f/0xa40 [ 1662.772099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.772099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.772099][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.772099][ T73] netlink_unicast+0x449/0x710 [ 1662.772099][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.772099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.772099][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.772099][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.772099][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.772099][ T73] [ 1662.774614][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1662.774614][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1662.774614][ T73] ipv6_find_idev+0x102/0x170 [ 1662.774614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.774614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.774614][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.774614][ T73] netlink_unicast+0x449/0x710 [ 1662.774614][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.774614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.774614][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.774614][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.774614][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.774614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.774614][ T73] [ 1662.776520][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1662.776520][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1662.776520][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1662.776520][ T73] ipv6_find_idev+0x102/0x170 [ 1662.776520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.776520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.776520][ T73] netlink_rcv_skb+0x130/0x360 [ 1662.776520][ T73] netlink_unicast+0x449/0x710 [ 1662.776520][ T73] netlink_sendmsg+0x723/0xbe0 [ 1662.776520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1662.776520][ T73] ___sys_sendmsg+0xee/0x170 [ 1662.776520][ T73] __sys_sendmsg+0xcd/0x170 [ 1662.776520][ T73] do_syscall_64+0xc6/0x1e0 [ 1662.776520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.776520][ T73] [ 1672.982896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1672.983403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.983403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1672.983403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1672.983403][ T73] fib6_nh_init+0xa22/0x1580 [ 1672.983403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1672.983403][ T73] ip6_route_add+0x1c/0x140 [ 1672.983403][ T73] inet6_rtm_newroute+0x104/0x110 [ 1672.983403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.983403][ T73] netlink_rcv_skb+0x130/0x360 [ 1672.983403][ T73] netlink_unicast+0x449/0x710 [ 1672.983403][ T73] netlink_sendmsg+0x723/0xbe0 [ 1672.983403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1672.983403][ T73] ___sys_sendmsg+0xee/0x170 [ 1672.983403][ T73] __sys_sendmsg+0xcd/0x170 [ 1672.983403][ T73] do_syscall_64+0xc6/0x1e0 [ 1672.983403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.983403][ T73] [ 1672.985565][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.985565][ T73] dst_init+0x84/0x4a0 [ 1672.985565][ T73] dst_alloc+0x97/0x150 [ 1672.985565][ T73] ip6_dst_alloc+0x23/0x90 [ 1672.985565][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1672.985565][ T73] ip6_pol_route+0x56f/0x840 [ 1672.985565][ T73] fib6_rule_lookup+0x456/0x630 [ 1672.985565][ T73] ip6_route_input+0x59c/0xa50 [ 1672.985565][ T73] ipv6_rcv+0x397/0x810 [ 1672.985565][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1672.985565][ T73] process_backlog+0x101/0x620 [ 1672.985565][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1672.985565][ T73] net_rx_action+0x495/0xbe0 [ 1672.985565][ T73] __do_softirq+0x1b5/0x7f6 [ 1672.985565][ T73] [ 1672.987409][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.987409][ T73] netdev_get_by_index+0x5e/0x80 [ 1672.987409][ T73] fib6_nh_init+0x3d8/0x1580 [ 1672.987409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1672.987409][ T73] ip6_route_add+0x1c/0x140 [ 1672.987409][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1672.987409][ T73] inet6_addr_add+0x4f8/0xa40 [ 1672.987409][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1672.987409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.987409][ T73] netlink_rcv_skb+0x130/0x360 [ 1672.987409][ T73] netlink_unicast+0x449/0x710 [ 1672.987409][ T73] netlink_sendmsg+0x723/0xbe0 [ 1672.987409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1672.987409][ T73] ___sys_sendmsg+0xee/0x170 [ 1672.987409][ T73] __sys_sendmsg+0xcd/0x170 [ 1672.987409][ T73] do_syscall_64+0xc6/0x1e0 [ 1672.987409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.987409][ T73] [ 1672.989675][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.989675][ T73] netdev_get_by_index+0x5e/0x80 [ 1672.989675][ T73] fib6_nh_init+0x3d8/0x1580 [ 1672.989675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1672.989675][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1672.989675][ T73] ipv6_add_addr+0x411/0x2000 [ 1672.989675][ T73] inet6_addr_add+0x30e/0xa40 [ 1672.989675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1672.989675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.989675][ T73] netlink_rcv_skb+0x130/0x360 [ 1672.989675][ T73] netlink_unicast+0x449/0x710 [ 1672.989675][ T73] netlink_sendmsg+0x723/0xbe0 [ 1672.989675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1672.989675][ T73] ___sys_sendmsg+0xee/0x170 [ 1672.989675][ T73] __sys_sendmsg+0xcd/0x170 [ 1672.989675][ T73] do_syscall_64+0xc6/0x1e0 [ 1672.989675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.989675][ T73] [ 1672.991936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.991936][ T73] netdev_get_by_index+0x5e/0x80 [ 1672.991936][ T73] fib6_nh_init+0x3d8/0x1580 [ 1672.991936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1672.991936][ T73] ip6_route_add+0x1c/0x140 [ 1672.991936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1672.991936][ T73] addrconf_add_dev+0xe2/0x170 [ 1672.991936][ T73] inet6_addr_add+0x12f/0xa40 [ 1672.991936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1672.991936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.991936][ T73] netlink_rcv_skb+0x130/0x360 [ 1672.991936][ T73] netlink_unicast+0x449/0x710 [ 1672.991936][ T73] netlink_sendmsg+0x723/0xbe0 [ 1672.991936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1672.991936][ T73] ___sys_sendmsg+0xee/0x170 [ 1672.991936][ T73] __sys_sendmsg+0xcd/0x170 [ 1672.991936][ T73] do_syscall_64+0xc6/0x1e0 [ 1672.991936][ T73] [ 1672.994138][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.994138][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1672.994138][ T73] ipv6_find_idev+0x102/0x170 [ 1672.994138][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1672.994138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.994138][ T73] netlink_rcv_skb+0x130/0x360 [ 1672.994138][ T73] netlink_unicast+0x449/0x710 [ 1672.994138][ T73] netlink_sendmsg+0x723/0xbe0 [ 1672.994138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1672.994138][ T73] ___sys_sendmsg+0xee/0x170 [ 1672.994138][ T73] __sys_sendmsg+0xcd/0x170 [ 1672.994138][ T73] do_syscall_64+0xc6/0x1e0 [ 1672.994138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.994138][ T73] [ 1672.995890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1672.995890][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1672.995890][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1672.995890][ T73] ipv6_find_idev+0x102/0x170 [ 1672.995890][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1672.995890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.995890][ T73] netlink_rcv_skb+0x130/0x360 [ 1672.995890][ T73] netlink_unicast+0x449/0x710 [ 1672.995890][ T73] netlink_sendmsg+0x723/0xbe0 [ 1672.995890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1672.995890][ T73] ___sys_sendmsg+0xee/0x170 [ 1672.995890][ T73] __sys_sendmsg+0xcd/0x170 [ 1672.995890][ T73] do_syscall_64+0xc6/0x1e0 [ 1672.995890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.995890][ T73] [ 1672.997813][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1672.998121][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1672.998121][ T73] dst_init+0x84/0x4a0 [ 1672.998121][ T73] dst_alloc+0x97/0x150 [ 1672.998121][ T73] ip6_dst_alloc+0x23/0x90 [ 1672.998121][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1672.998121][ T73] ip6_pol_route+0x56f/0x840 [ 1672.998121][ T73] fib6_rule_lookup+0x456/0x630 [ 1672.998121][ T73] ip6_route_input+0x59c/0xa50 [ 1672.998121][ T73] ipv6_rcv+0x397/0x810 [ 1672.998121][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1672.998121][ T73] process_backlog+0x101/0x620 [ 1672.998121][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1672.998121][ T73] net_rx_action+0x495/0xbe0 [ 1672.998121][ T73] __do_softirq+0x1b5/0x7f6 [ 1672.998121][ T73] [ 1672.999983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1672.999983][ T73] netdev_get_by_index+0x5e/0x80 [ 1672.999983][ T73] fib6_nh_init+0x3d8/0x1580 [ 1672.999983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1672.999983][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1672.999983][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1672.999983][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1672.999983][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1672.999983][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1672.999983][ T73] addrconf_dad_begin+0x310/0x670 [ 1672.999983][ T73] addrconf_dad_work+0x10b/0xab0 [ 1672.999983][ T73] process_one_work+0x84d/0x18a0 [ 1672.999983][ T73] worker_thread+0x587/0xd30 [ 1672.999983][ T73] kthread+0x28a/0x350 [ 1672.999983][ T73] ret_from_fork+0x31/0x70 [ 1672.999983][ T73] ret_from_fork_asm+0x1a/0x30 [ 1672.999983][ T73] [ 1673.002116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1673.002116][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.002116][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.002116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.002116][ T73] ip6_route_add+0x1c/0x140 [ 1673.002116][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1673.002116][ T73] inet6_addr_add+0x4f8/0xa40 [ 1673.002116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.002116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.002116][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.002116][ T73] netlink_unicast+0x449/0x710 [ 1673.002116][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.002116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.002116][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.002116][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.002116][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.002116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.002116][ T73] [ 1673.004357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1673.004357][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.004357][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.004357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.004357][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1673.004357][ T73] ipv6_add_addr+0x411/0x2000 [ 1673.004357][ T73] inet6_addr_add+0x30e/0xa40 [ 1673.004357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.004357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.004357][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.004357][ T73] netlink_unicast+0x449/0x710 [ 1673.004357][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.004357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.004357][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.004357][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.004357][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.004357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.004357][ T73] [ 1673.006569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1673.006569][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.006569][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.006569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.006569][ T73] ip6_route_add+0x1c/0x140 [ 1673.006569][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1673.006569][ T73] addrconf_add_dev+0xe2/0x170 [ 1673.006569][ T73] inet6_addr_add+0x12f/0xa40 [ 1673.006569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.006569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.006569][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.006569][ T73] netlink_unicast+0x449/0x710 [ 1673.006569][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.006569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.006569][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.006569][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.006569][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.006569][ T73] [ 1673.008778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1673.008778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1673.008778][ T73] ipv6_find_idev+0x102/0x170 [ 1673.008778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1673.008778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.008778][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.008778][ T73] netlink_unicast+0x449/0x710 [ 1673.008778][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.008778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.008778][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.008778][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.008778][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.008778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.008778][ T73] [ 1673.010501][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1673.010501][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1673.010501][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1673.010501][ T73] ipv6_find_idev+0x102/0x170 [ 1673.010501][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1673.010501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.010501][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.010501][ T73] netlink_unicast+0x449/0x710 [ 1673.010501][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.010501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.010501][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.010501][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.010501][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.010501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.010501][ T73] [ 1673.012524][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1673.012865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.012865][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1673.012865][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1673.012865][ T73] fib6_nh_init+0xa22/0x1580 [ 1673.012865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.012865][ T73] ip6_route_add+0x1c/0x140 [ 1673.012865][ T73] inet6_rtm_newroute+0x104/0x110 [ 1673.012865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.012865][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.012865][ T73] netlink_unicast+0x449/0x710 [ 1673.012865][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.012865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.012865][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.012865][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.012865][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.012865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.012865][ T73] [ 1673.015280][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.015280][ T73] dst_init+0x84/0x4a0 [ 1673.015280][ T73] dst_alloc+0x97/0x150 [ 1673.015280][ T73] ip6_dst_alloc+0x23/0x90 [ 1673.015280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1673.015280][ T73] ip6_pol_route+0x56f/0x840 [ 1673.015280][ T73] fib6_rule_lookup+0x456/0x630 [ 1673.015280][ T73] ip6_route_input+0x59c/0xa50 [ 1673.015280][ T73] ipv6_rcv+0x397/0x810 [ 1673.015280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1673.015280][ T73] process_backlog+0x101/0x620 [ 1673.015280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1673.015280][ T73] net_rx_action+0x495/0xbe0 [ 1673.015280][ T73] __do_softirq+0x1b5/0x7f6 [ 1673.015280][ T73] [ 1673.017324][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.017324][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.017324][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.017324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.017324][ T73] ip6_route_add+0x1c/0x140 [ 1673.017324][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1673.017324][ T73] inet6_addr_add+0x4f8/0xa40 [ 1673.017324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.017324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.017324][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.017324][ T73] netlink_unicast+0x449/0x710 [ 1673.017324][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.017324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.017324][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.017324][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.017324][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.017324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.017324][ T73] [ 1673.019809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.019809][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.019809][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.019809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.019809][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1673.019809][ T73] ipv6_add_addr+0x411/0x2000 [ 1673.019809][ T73] inet6_addr_add+0x30e/0xa40 [ 1673.019809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.019809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.019809][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.019809][ T73] netlink_unicast+0x449/0x710 [ 1673.019809][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.019809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.019809][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.019809][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.019809][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.019809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.019809][ T73] [ 1673.022250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.022250][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.022250][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.022250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.022250][ T73] ip6_route_add+0x1c/0x140 [ 1673.022250][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1673.022250][ T73] addrconf_add_dev+0xe2/0x170 [ 1673.022250][ T73] inet6_addr_add+0x12f/0xa40 [ 1673.022250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.022250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.022250][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.022250][ T73] netlink_unicast+0x449/0x710 [ 1673.022250][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.022250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.022250][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.022250][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.022250][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.022250][ T73] [ 1673.024784][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.024784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1673.024784][ T73] ipv6_find_idev+0x102/0x170 [ 1673.024784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1673.024784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.024784][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.024784][ T73] netlink_unicast+0x449/0x710 [ 1673.024784][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.024784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.024784][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.024784][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.024784][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.024784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.024784][ T73] [ 1673.026829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1673.026829][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1673.026829][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1673.026829][ T73] ipv6_find_idev+0x102/0x170 [ 1673.026829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1673.026829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.026829][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.026829][ T73] netlink_unicast+0x449/0x710 [ 1673.026829][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.026829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.026829][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.026829][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.026829][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.026829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.026829][ T73] [ 1673.030047][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1673.030478][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1673.030478][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.030478][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.030478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.030478][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1673.030478][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1673.030478][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1673.030478][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1673.030478][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1673.030478][ T73] addrconf_dad_begin+0x310/0x670 [ 1673.030478][ T73] addrconf_dad_work+0x10b/0xab0 [ 1673.030478][ T73] process_one_work+0x84d/0x18a0 [ 1673.030478][ T73] worker_thread+0x587/0xd30 [ 1673.030478][ T73] kthread+0x28a/0x350 [ 1673.030478][ T73] ret_from_fork+0x31/0x70 [ 1673.030478][ T73] ret_from_fork_asm+0x1a/0x30 [ 1673.030478][ T73] [ 1673.033980][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1673.033980][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.033980][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.033980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.033980][ T73] ip6_route_add+0x1c/0x140 [ 1673.033980][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1673.033980][ T73] inet6_addr_add+0x4f8/0xa40 [ 1673.033980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.033980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.033980][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.033980][ T73] netlink_unicast+0x449/0x710 [ 1673.033980][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.033980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.033980][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.033980][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.033980][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.033980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.033980][ T73] [ 1673.037439][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1673.037439][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.037439][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.037439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.037439][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1673.037439][ T73] ipv6_add_addr+0x411/0x2000 [ 1673.037439][ T73] inet6_addr_add+0x30e/0xa40 [ 1673.037439][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.037439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.037439][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.037439][ T73] netlink_unicast+0x449/0x710 [ 1673.037439][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.037439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.037439][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.037439][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.037439][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.037439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.037439][ T73] [ 1673.041181][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1673.041181][ T73] netdev_get_by_index+0x5e/0x80 [ 1673.041181][ T73] fib6_nh_init+0x3d8/0x1580 [ 1673.041181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1673.041181][ T73] ip6_route_add+0x1c/0x140 [ 1673.041181][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1673.041181][ T73] addrconf_add_dev+0xe2/0x170 [ 1673.041181][ T73] inet6_addr_add+0x12f/0xa40 [ 1673.041181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1673.041181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.041181][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.041181][ T73] netlink_unicast+0x449/0x710 [ 1673.041181][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.041181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.041181][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.041181][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.041181][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.041181][ T73] [ 1673.043640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1673.043640][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1673.043640][ T73] ipv6_find_idev+0x102/0x170 [ 1673.043640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1673.043640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.043640][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.043640][ T73] netlink_unicast+0x449/0x710 [ 1673.043640][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.043640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.043640][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.043640][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.043640][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.043640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.043640][ T73] [ 1673.045554][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1673.045554][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1673.045554][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1673.045554][ T73] ipv6_find_idev+0x102/0x170 [ 1673.045554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1673.045554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1673.045554][ T73] netlink_rcv_skb+0x130/0x360 [ 1673.045554][ T73] netlink_unicast+0x449/0x710 [ 1673.045554][ T73] netlink_sendmsg+0x723/0xbe0 [ 1673.045554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1673.045554][ T73] ___sys_sendmsg+0xee/0x170 [ 1673.045554][ T73] __sys_sendmsg+0xcd/0x170 [ 1673.045554][ T73] do_syscall_64+0xc6/0x1e0 [ 1673.045554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1673.045554][ T73] [ 1683.286988][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1683.287523][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.287523][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1683.287523][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1683.287523][ T73] fib6_nh_init+0xa22/0x1580 [ 1683.287523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.287523][ T73] ip6_route_add+0x1c/0x140 [ 1683.287523][ T73] inet6_rtm_newroute+0x104/0x110 [ 1683.287523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.287523][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.287523][ T73] netlink_unicast+0x449/0x710 [ 1683.287523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.287523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.287523][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.287523][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.287523][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.287523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.287523][ T73] [ 1683.289650][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.289650][ T73] dst_init+0x84/0x4a0 [ 1683.289650][ T73] dst_alloc+0x97/0x150 [ 1683.289650][ T73] ip6_dst_alloc+0x23/0x90 [ 1683.289650][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1683.289650][ T73] ip6_pol_route+0x56f/0x840 [ 1683.289650][ T73] fib6_rule_lookup+0x456/0x630 [ 1683.289650][ T73] ip6_route_input+0x59c/0xa50 [ 1683.289650][ T73] ipv6_rcv+0x397/0x810 [ 1683.289650][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1683.289650][ T73] process_backlog+0x101/0x620 [ 1683.289650][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1683.289650][ T73] net_rx_action+0x495/0xbe0 [ 1683.289650][ T73] __do_softirq+0x1b5/0x7f6 [ 1683.289650][ T73] [ 1683.291477][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.291477][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.291477][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.291477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.291477][ T73] ip6_route_add+0x1c/0x140 [ 1683.291477][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1683.291477][ T73] inet6_addr_add+0x4f8/0xa40 [ 1683.291477][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.291477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.291477][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.291477][ T73] netlink_unicast+0x449/0x710 [ 1683.291477][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.291477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.291477][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.291477][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.291477][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.291477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.291477][ T73] [ 1683.293708][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.293708][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.293708][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.293708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.293708][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1683.293708][ T73] ipv6_add_addr+0x411/0x2000 [ 1683.293708][ T73] inet6_addr_add+0x30e/0xa40 [ 1683.293708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.293708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.293708][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.293708][ T73] netlink_unicast+0x449/0x710 [ 1683.293708][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.293708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.293708][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.293708][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.293708][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.293708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.293708][ T73] [ 1683.295950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.295950][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.295950][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.295950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.295950][ T73] ip6_route_add+0x1c/0x140 [ 1683.295950][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1683.295950][ T73] addrconf_add_dev+0xe2/0x170 [ 1683.295950][ T73] inet6_addr_add+0x12f/0xa40 [ 1683.295950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.295950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.295950][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.295950][ T73] netlink_unicast+0x449/0x710 [ 1683.295950][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.295950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.295950][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.295950][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.295950][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.295950][ T73] [ 1683.298132][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.298132][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1683.298132][ T73] ipv6_find_idev+0x102/0x170 [ 1683.298132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.298132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.298132][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.298132][ T73] netlink_unicast+0x449/0x710 [ 1683.298132][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.298132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.298132][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.298132][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.298132][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.298132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.298132][ T73] [ 1683.299849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1683.299849][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1683.299849][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1683.299849][ T73] ipv6_find_idev+0x102/0x170 [ 1683.299849][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.299849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.299849][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.299849][ T73] netlink_unicast+0x449/0x710 [ 1683.299849][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.299849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.299849][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.299849][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.299849][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.299849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.299849][ T73] [ 1683.301750][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1683.302058][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.302058][ T73] dst_init+0x84/0x4a0 [ 1683.302058][ T73] dst_alloc+0x97/0x150 [ 1683.302058][ T73] ip6_dst_alloc+0x23/0x90 [ 1683.302058][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1683.302058][ T73] ip6_pol_route+0x56f/0x840 [ 1683.302058][ T73] fib6_rule_lookup+0x456/0x630 [ 1683.302058][ T73] ip6_route_input+0x59c/0xa50 [ 1683.302058][ T73] ipv6_rcv+0x397/0x810 [ 1683.302058][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1683.302058][ T73] process_backlog+0x101/0x620 [ 1683.302058][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1683.302058][ T73] net_rx_action+0x495/0xbe0 [ 1683.302058][ T73] __do_softirq+0x1b5/0x7f6 [ 1683.302058][ T73] [ 1683.303902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.303902][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.303902][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.303902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.303902][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1683.303902][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1683.303902][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1683.303902][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1683.303902][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1683.303902][ T73] addrconf_dad_begin+0x310/0x670 [ 1683.303902][ T73] addrconf_dad_work+0x10b/0xab0 [ 1683.303902][ T73] process_one_work+0x84d/0x18a0 [ 1683.303902][ T73] worker_thread+0x587/0xd30 [ 1683.303902][ T73] kthread+0x28a/0x350 [ 1683.303902][ T73] ret_from_fork+0x31/0x70 [ 1683.303902][ T73] ret_from_fork_asm+0x1a/0x30 [ 1683.303902][ T73] [ 1683.306031][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.306031][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.306031][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.306031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.306031][ T73] ip6_route_add+0x1c/0x140 [ 1683.306031][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1683.306031][ T73] inet6_addr_add+0x4f8/0xa40 [ 1683.306031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.306031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.306031][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.306031][ T73] netlink_unicast+0x449/0x710 [ 1683.306031][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.306031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.306031][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.306031][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.306031][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.306031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.306031][ T73] [ 1683.308266][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.308266][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.308266][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.308266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.308266][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1683.308266][ T73] ipv6_add_addr+0x411/0x2000 [ 1683.308266][ T73] inet6_addr_add+0x30e/0xa40 [ 1683.308266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.308266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.308266][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.308266][ T73] netlink_unicast+0x449/0x710 [ 1683.308266][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.308266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.308266][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.308266][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.308266][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.308266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.308266][ T73] [ 1683.310501][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.310501][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.310501][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.310501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.310501][ T73] ip6_route_add+0x1c/0x140 [ 1683.310501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1683.310501][ T73] addrconf_add_dev+0xe2/0x170 [ 1683.310501][ T73] inet6_addr_add+0x12f/0xa40 [ 1683.310501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.310501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.310501][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.310501][ T73] netlink_unicast+0x449/0x710 [ 1683.310501][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.310501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.310501][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.310501][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.310501][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.310501][ T73] [ 1683.312698][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.312698][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1683.312698][ T73] ipv6_find_idev+0x102/0x170 [ 1683.312698][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.312698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.312698][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.312698][ T73] netlink_unicast+0x449/0x710 [ 1683.312698][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.312698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.312698][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.312698][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.312698][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.312698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.312698][ T73] [ 1683.314424][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1683.314424][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1683.314424][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1683.314424][ T73] ipv6_find_idev+0x102/0x170 [ 1683.314424][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.314424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.314424][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.314424][ T73] netlink_unicast+0x449/0x710 [ 1683.314424][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.314424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.314424][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.314424][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.314424][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.314424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.314424][ T73] [ 1683.316425][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1683.316720][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.316720][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1683.316720][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1683.316720][ T73] fib6_nh_init+0xa22/0x1580 [ 1683.316720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.316720][ T73] ip6_route_add+0x1c/0x140 [ 1683.316720][ T73] inet6_rtm_newroute+0x104/0x110 [ 1683.316720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.316720][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.316720][ T73] netlink_unicast+0x449/0x710 [ 1683.316720][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.316720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.316720][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.316720][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.316720][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.316720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.316720][ T73] [ 1683.319120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.319120][ T73] dst_init+0x84/0x4a0 [ 1683.319120][ T73] dst_alloc+0x97/0x150 [ 1683.319120][ T73] ip6_dst_alloc+0x23/0x90 [ 1683.319120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1683.319120][ T73] ip6_pol_route+0x56f/0x840 [ 1683.319120][ T73] fib6_rule_lookup+0x456/0x630 [ 1683.319120][ T73] ip6_route_input+0x59c/0xa50 [ 1683.319120][ T73] ipv6_rcv+0x397/0x810 [ 1683.319120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1683.319120][ T73] process_backlog+0x101/0x620 [ 1683.319120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1683.319120][ T73] net_rx_action+0x495/0xbe0 [ 1683.319120][ T73] __do_softirq+0x1b5/0x7f6 [ 1683.319120][ T73] [ 1683.321119][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.321119][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.321119][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.321119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.321119][ T73] ip6_route_add+0x1c/0x140 [ 1683.321119][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1683.321119][ T73] inet6_addr_add+0x4f8/0xa40 [ 1683.321119][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.321119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.321119][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.321119][ T73] netlink_unicast+0x449/0x710 [ 1683.321119][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.321119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.321119][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.321119][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.321119][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.321119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.321119][ T73] [ 1683.323598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.323598][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.323598][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.323598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.323598][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1683.323598][ T73] ipv6_add_addr+0x411/0x2000 [ 1683.323598][ T73] inet6_addr_add+0x30e/0xa40 [ 1683.323598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.323598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.323598][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.323598][ T73] netlink_unicast+0x449/0x710 [ 1683.323598][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.323598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.323598][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.323598][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.323598][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.323598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.323598][ T73] [ 1683.326073][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.326073][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.326073][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.326073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.326073][ T73] ip6_route_add+0x1c/0x140 [ 1683.326073][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1683.326073][ T73] addrconf_add_dev+0xe2/0x170 [ 1683.326073][ T73] inet6_addr_add+0x12f/0xa40 [ 1683.326073][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.326073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.326073][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.326073][ T73] netlink_unicast+0x449/0x710 [ 1683.326073][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.326073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.326073][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.326073][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.326073][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.326073][ T73] [ 1683.328581][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.328581][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1683.328581][ T73] ipv6_find_idev+0x102/0x170 [ 1683.328581][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.328581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.328581][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.328581][ T73] netlink_unicast+0x449/0x710 [ 1683.328581][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.328581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.328581][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.328581][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.328581][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.328581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.328581][ T73] [ 1683.330414][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1683.330414][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1683.330414][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1683.330414][ T73] ipv6_find_idev+0x102/0x170 [ 1683.330414][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.330414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.330414][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.330414][ T73] netlink_unicast+0x449/0x710 [ 1683.330414][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.330414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.330414][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.330414][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.330414][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.330414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.330414][ T73] [ 1683.332532][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1683.332901][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1683.332901][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.332901][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.332901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.332901][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1683.332901][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1683.332901][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1683.332901][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1683.332901][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1683.332901][ T73] addrconf_dad_begin+0x310/0x670 [ 1683.332901][ T73] addrconf_dad_work+0x10b/0xab0 [ 1683.332901][ T73] process_one_work+0x84d/0x18a0 [ 1683.332901][ T73] worker_thread+0x587/0xd30 [ 1683.332901][ T73] kthread+0x28a/0x350 [ 1683.332901][ T73] ret_from_fork+0x31/0x70 [ 1683.332901][ T73] ret_from_fork_asm+0x1a/0x30 [ 1683.332901][ T73] [ 1683.335234][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1683.335234][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.335234][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.335234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.335234][ T73] ip6_route_add+0x1c/0x140 [ 1683.335234][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1683.335234][ T73] inet6_addr_add+0x4f8/0xa40 [ 1683.335234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.335234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.335234][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.335234][ T73] netlink_unicast+0x449/0x710 [ 1683.335234][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.335234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.335234][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.335234][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.335234][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.335234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.335234][ T73] [ 1683.337714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1683.337714][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.337714][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.337714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.337714][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1683.337714][ T73] ipv6_add_addr+0x411/0x2000 [ 1683.337714][ T73] inet6_addr_add+0x30e/0xa40 [ 1683.337714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.337714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.337714][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.337714][ T73] netlink_unicast+0x449/0x710 [ 1683.337714][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.337714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.337714][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.337714][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.337714][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.337714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.337714][ T73] [ 1683.340250][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1683.340250][ T73] netdev_get_by_index+0x5e/0x80 [ 1683.340250][ T73] fib6_nh_init+0x3d8/0x1580 [ 1683.340250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1683.340250][ T73] ip6_route_add+0x1c/0x140 [ 1683.340250][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1683.340250][ T73] addrconf_add_dev+0xe2/0x170 [ 1683.340250][ T73] inet6_addr_add+0x12f/0xa40 [ 1683.340250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1683.340250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.340250][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.340250][ T73] netlink_unicast+0x449/0x710 [ 1683.340250][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.340250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.340250][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.340250][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.340250][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.340250][ T73] [ 1683.342681][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1683.342681][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1683.342681][ T73] ipv6_find_idev+0x102/0x170 [ 1683.342681][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.342681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.342681][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.342681][ T73] netlink_unicast+0x449/0x710 [ 1683.342681][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.342681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.342681][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.342681][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.342681][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.342681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.342681][ T73] [ 1683.344570][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1683.344570][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1683.344570][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1683.344570][ T73] ipv6_find_idev+0x102/0x170 [ 1683.344570][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1683.344570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1683.344570][ T73] netlink_rcv_skb+0x130/0x360 [ 1683.344570][ T73] netlink_unicast+0x449/0x710 [ 1683.344570][ T73] netlink_sendmsg+0x723/0xbe0 [ 1683.344570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1683.344570][ T73] ___sys_sendmsg+0xee/0x170 [ 1683.344570][ T73] __sys_sendmsg+0xcd/0x170 [ 1683.344570][ T73] do_syscall_64+0xc6/0x1e0 [ 1683.344570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1683.344570][ T73] [ 1693.582899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1693.583361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.583361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1693.583361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1693.583361][ T73] fib6_nh_init+0xa22/0x1580 [ 1693.583361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.583361][ T73] ip6_route_add+0x1c/0x140 [ 1693.583361][ T73] inet6_rtm_newroute+0x104/0x110 [ 1693.583361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.583361][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.583361][ T73] netlink_unicast+0x449/0x710 [ 1693.583361][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.583361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.583361][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.583361][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.583361][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.583361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.583361][ T73] [ 1693.586020][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.586020][ T73] dst_init+0x84/0x4a0 [ 1693.586020][ T73] dst_alloc+0x97/0x150 [ 1693.586020][ T73] ip6_dst_alloc+0x23/0x90 [ 1693.586020][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1693.586020][ T73] ip6_pol_route+0x56f/0x840 [ 1693.586020][ T73] fib6_rule_lookup+0x456/0x630 [ 1693.586020][ T73] ip6_route_input+0x59c/0xa50 [ 1693.586020][ T73] ipv6_rcv+0x397/0x810 [ 1693.586020][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1693.586020][ T73] process_backlog+0x101/0x620 [ 1693.586020][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1693.586020][ T73] net_rx_action+0x495/0xbe0 [ 1693.586020][ T73] __do_softirq+0x1b5/0x7f6 [ 1693.586020][ T73] [ 1693.587924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.587924][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.587924][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.587924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.587924][ T73] ip6_route_add+0x1c/0x140 [ 1693.587924][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1693.587924][ T73] inet6_addr_add+0x4f8/0xa40 [ 1693.587924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.587924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.587924][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.587924][ T73] netlink_unicast+0x449/0x710 [ 1693.587924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.587924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.587924][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.587924][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.587924][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.587924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.587924][ T73] [ 1693.590171][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.590171][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.590171][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.590171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.590171][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1693.590171][ T73] ipv6_add_addr+0x411/0x2000 [ 1693.590171][ T73] inet6_addr_add+0x30e/0xa40 [ 1693.590171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.590171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.590171][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.590171][ T73] netlink_unicast+0x449/0x710 [ 1693.590171][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.590171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.590171][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.590171][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.590171][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.590171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.590171][ T73] [ 1693.592406][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.592406][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.592406][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.592406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.592406][ T73] ip6_route_add+0x1c/0x140 [ 1693.592406][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1693.592406][ T73] addrconf_add_dev+0xe2/0x170 [ 1693.592406][ T73] inet6_addr_add+0x12f/0xa40 [ 1693.592406][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.592406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.592406][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.592406][ T73] netlink_unicast+0x449/0x710 [ 1693.592406][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.592406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.592406][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.592406][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.592406][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.592406][ T73] [ 1693.594999][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.594999][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1693.594999][ T73] ipv6_find_idev+0x102/0x170 [ 1693.594999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.594999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.594999][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.594999][ T73] netlink_unicast+0x449/0x710 [ 1693.594999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.594999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.594999][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.594999][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.594999][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.594999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.594999][ T73] [ 1693.596713][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1693.596713][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1693.596713][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1693.596713][ T73] ipv6_find_idev+0x102/0x170 [ 1693.596713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.596713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.596713][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.596713][ T73] netlink_unicast+0x449/0x710 [ 1693.596713][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.596713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.596713][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.596713][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.596713][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.596713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.596713][ T73] [ 1693.598600][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1693.598916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.598916][ T73] dst_init+0x84/0x4a0 [ 1693.598916][ T73] dst_alloc+0x97/0x150 [ 1693.598916][ T73] ip6_dst_alloc+0x23/0x90 [ 1693.598916][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1693.598916][ T73] ip6_pol_route+0x56f/0x840 [ 1693.598916][ T73] fib6_rule_lookup+0x456/0x630 [ 1693.598916][ T73] ip6_route_input+0x59c/0xa50 [ 1693.598916][ T73] ipv6_rcv+0x397/0x810 [ 1693.598916][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1693.598916][ T73] process_backlog+0x101/0x620 [ 1693.598916][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1693.598916][ T73] net_rx_action+0x495/0xbe0 [ 1693.598916][ T73] __do_softirq+0x1b5/0x7f6 [ 1693.598916][ T73] [ 1693.600748][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.600748][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.600748][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.600748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.600748][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1693.600748][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1693.600748][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1693.600748][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1693.600748][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1693.600748][ T73] addrconf_dad_begin+0x310/0x670 [ 1693.600748][ T73] addrconf_dad_work+0x10b/0xab0 [ 1693.600748][ T73] process_one_work+0x84d/0x18a0 [ 1693.600748][ T73] worker_thread+0x587/0xd30 [ 1693.600748][ T73] kthread+0x28a/0x350 [ 1693.600748][ T73] ret_from_fork+0x31/0x70 [ 1693.600748][ T73] ret_from_fork_asm+0x1a/0x30 [ 1693.600748][ T73] [ 1693.602874][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.602874][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.602874][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.602874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.602874][ T73] ip6_route_add+0x1c/0x140 [ 1693.602874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1693.602874][ T73] inet6_addr_add+0x4f8/0xa40 [ 1693.602874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.602874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.602874][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.602874][ T73] netlink_unicast+0x449/0x710 [ 1693.602874][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.602874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.602874][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.602874][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.602874][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.602874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.602874][ T73] [ 1693.605107][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.605107][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.605107][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.605107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.605107][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1693.605107][ T73] ipv6_add_addr+0x411/0x2000 [ 1693.605107][ T73] inet6_addr_add+0x30e/0xa40 [ 1693.605107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.605107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.605107][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.605107][ T73] netlink_unicast+0x449/0x710 [ 1693.605107][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.605107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.605107][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.605107][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.605107][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.605107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.605107][ T73] [ 1693.607319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.607319][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.607319][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.607319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.607319][ T73] ip6_route_add+0x1c/0x140 [ 1693.607319][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1693.607319][ T73] addrconf_add_dev+0xe2/0x170 [ 1693.607319][ T73] inet6_addr_add+0x12f/0xa40 [ 1693.607319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.607319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.607319][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.607319][ T73] netlink_unicast+0x449/0x710 [ 1693.607319][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.607319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.607319][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.607319][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.607319][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.607319][ T73] [ 1693.609502][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.609502][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1693.609502][ T73] ipv6_find_idev+0x102/0x170 [ 1693.609502][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.609502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.609502][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.609502][ T73] netlink_unicast+0x449/0x710 [ 1693.609502][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.609502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.609502][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.609502][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.609502][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.609502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.609502][ T73] [ 1693.611208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1693.611208][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1693.611208][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1693.611208][ T73] ipv6_find_idev+0x102/0x170 [ 1693.611208][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.611208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.611208][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.611208][ T73] netlink_unicast+0x449/0x710 [ 1693.611208][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.611208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.611208][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.611208][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.611208][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.611208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.611208][ T73] [ 1693.613222][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1693.613511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.613511][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1693.613511][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1693.613511][ T73] fib6_nh_init+0xa22/0x1580 [ 1693.613511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.613511][ T73] ip6_route_add+0x1c/0x140 [ 1693.613511][ T73] inet6_rtm_newroute+0x104/0x110 [ 1693.613511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.613511][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.613511][ T73] netlink_unicast+0x449/0x710 [ 1693.613511][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.613511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.613511][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.613511][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.613511][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.613511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.613511][ T73] [ 1693.615908][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.615908][ T73] dst_init+0x84/0x4a0 [ 1693.615908][ T73] dst_alloc+0x97/0x150 [ 1693.615908][ T73] ip6_dst_alloc+0x23/0x90 [ 1693.615908][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1693.615908][ T73] ip6_pol_route+0x56f/0x840 [ 1693.615908][ T73] fib6_rule_lookup+0x456/0x630 [ 1693.615908][ T73] ip6_route_input+0x59c/0xa50 [ 1693.615908][ T73] ipv6_rcv+0x397/0x810 [ 1693.615908][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1693.615908][ T73] process_backlog+0x101/0x620 [ 1693.615908][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1693.615908][ T73] net_rx_action+0x495/0xbe0 [ 1693.615908][ T73] __do_softirq+0x1b5/0x7f6 [ 1693.615908][ T73] [ 1693.617916][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.617916][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.617916][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.617916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.617916][ T73] ip6_route_add+0x1c/0x140 [ 1693.617916][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1693.617916][ T73] inet6_addr_add+0x4f8/0xa40 [ 1693.617916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.617916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.617916][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.617916][ T73] netlink_unicast+0x449/0x710 [ 1693.617916][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.617916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.617916][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.617916][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.617916][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.617916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.617916][ T73] [ 1693.620391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.620391][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.620391][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.620391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.620391][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1693.620391][ T73] ipv6_add_addr+0x411/0x2000 [ 1693.620391][ T73] inet6_addr_add+0x30e/0xa40 [ 1693.620391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.620391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.620391][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.620391][ T73] netlink_unicast+0x449/0x710 [ 1693.620391][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.620391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.620391][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.620391][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.620391][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.620391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.620391][ T73] [ 1693.622857][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.622857][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.622857][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.622857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.622857][ T73] ip6_route_add+0x1c/0x140 [ 1693.622857][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1693.622857][ T73] addrconf_add_dev+0xe2/0x170 [ 1693.622857][ T73] inet6_addr_add+0x12f/0xa40 [ 1693.622857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.622857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.622857][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.622857][ T73] netlink_unicast+0x449/0x710 [ 1693.622857][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.622857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.622857][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.622857][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.622857][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.622857][ T73] [ 1693.625361][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.625361][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1693.625361][ T73] ipv6_find_idev+0x102/0x170 [ 1693.625361][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.625361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.625361][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.625361][ T73] netlink_unicast+0x449/0x710 [ 1693.625361][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.625361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.625361][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.625361][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.625361][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.625361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.625361][ T73] [ 1693.627197][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1693.627197][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1693.627197][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1693.627197][ T73] ipv6_find_idev+0x102/0x170 [ 1693.627197][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.627197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.627197][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.627197][ T73] netlink_unicast+0x449/0x710 [ 1693.627197][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.627197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.627197][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.627197][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.627197][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.627197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.627197][ T73] [ 1693.629334][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1693.629630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1693.629630][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.629630][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.629630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.629630][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1693.629630][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1693.629630][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1693.629630][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1693.629630][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1693.629630][ T73] addrconf_dad_begin+0x310/0x670 [ 1693.629630][ T73] addrconf_dad_work+0x10b/0xab0 [ 1693.629630][ T73] process_one_work+0x84d/0x18a0 [ 1693.629630][ T73] worker_thread+0x587/0xd30 [ 1693.629630][ T73] kthread+0x28a/0x350 [ 1693.629630][ T73] ret_from_fork+0x31/0x70 [ 1693.629630][ T73] ret_from_fork_asm+0x1a/0x30 [ 1693.629630][ T73] [ 1693.632008][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1693.632008][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.632008][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.632008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.632008][ T73] ip6_route_add+0x1c/0x140 [ 1693.632008][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1693.632008][ T73] inet6_addr_add+0x4f8/0xa40 [ 1693.632008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.632008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.632008][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.632008][ T73] netlink_unicast+0x449/0x710 [ 1693.632008][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.632008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.632008][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.632008][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.632008][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.632008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.632008][ T73] [ 1693.634463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1693.634463][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.634463][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.634463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.634463][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1693.634463][ T73] ipv6_add_addr+0x411/0x2000 [ 1693.634463][ T73] inet6_addr_add+0x30e/0xa40 [ 1693.634463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.634463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.634463][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.634463][ T73] netlink_unicast+0x449/0x710 [ 1693.634463][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.634463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.634463][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.634463][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.634463][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.634463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.634463][ T73] [ 1693.636932][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1693.636932][ T73] netdev_get_by_index+0x5e/0x80 [ 1693.636932][ T73] fib6_nh_init+0x3d8/0x1580 [ 1693.636932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1693.636932][ T73] ip6_route_add+0x1c/0x140 [ 1693.636932][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1693.636932][ T73] addrconf_add_dev+0xe2/0x170 [ 1693.636932][ T73] inet6_addr_add+0x12f/0xa40 [ 1693.636932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1693.636932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.636932][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.636932][ T73] netlink_unicast+0x449/0x710 [ 1693.636932][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.636932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.636932][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.636932][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.636932][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.636932][ T73] [ 1693.639366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1693.639366][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1693.639366][ T73] ipv6_find_idev+0x102/0x170 [ 1693.639366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.639366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.639366][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.639366][ T73] netlink_unicast+0x449/0x710 [ 1693.639366][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.639366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.639366][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.639366][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.639366][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.639366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.639366][ T73] [ 1693.641252][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1693.641252][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1693.641252][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1693.641252][ T73] ipv6_find_idev+0x102/0x170 [ 1693.641252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1693.641252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1693.641252][ T73] netlink_rcv_skb+0x130/0x360 [ 1693.641252][ T73] netlink_unicast+0x449/0x710 [ 1693.641252][ T73] netlink_sendmsg+0x723/0xbe0 [ 1693.641252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1693.641252][ T73] ___sys_sendmsg+0xee/0x170 [ 1693.641252][ T73] __sys_sendmsg+0xcd/0x170 [ 1693.641252][ T73] do_syscall_64+0xc6/0x1e0 [ 1693.641252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1693.641252][ T73] [ 1703.886931][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1703.887392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.887392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1703.887392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1703.887392][ T73] fib6_nh_init+0xa22/0x1580 [ 1703.887392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.887392][ T73] ip6_route_add+0x1c/0x140 [ 1703.887392][ T73] inet6_rtm_newroute+0x104/0x110 [ 1703.887392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.887392][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.887392][ T73] netlink_unicast+0x449/0x710 [ 1703.887392][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.887392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.887392][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.887392][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.887392][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.887392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.887392][ T73] [ 1703.889493][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.889493][ T73] dst_init+0x84/0x4a0 [ 1703.889493][ T73] dst_alloc+0x97/0x150 [ 1703.889493][ T73] ip6_dst_alloc+0x23/0x90 [ 1703.889493][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1703.889493][ T73] ip6_pol_route+0x56f/0x840 [ 1703.889493][ T73] fib6_rule_lookup+0x456/0x630 [ 1703.889493][ T73] ip6_route_input+0x59c/0xa50 [ 1703.889493][ T73] ipv6_rcv+0x397/0x810 [ 1703.889493][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1703.889493][ T73] process_backlog+0x101/0x620 [ 1703.889493][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1703.889493][ T73] net_rx_action+0x495/0xbe0 [ 1703.889493][ T73] __do_softirq+0x1b5/0x7f6 [ 1703.889493][ T73] [ 1703.891328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.891328][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.891328][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.891328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.891328][ T73] ip6_route_add+0x1c/0x140 [ 1703.891328][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1703.891328][ T73] inet6_addr_add+0x4f8/0xa40 [ 1703.891328][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.891328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.891328][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.891328][ T73] netlink_unicast+0x449/0x710 [ 1703.891328][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.891328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.891328][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.891328][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.891328][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.891328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.891328][ T73] [ 1703.893572][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.893572][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.893572][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.893572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.893572][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1703.893572][ T73] ipv6_add_addr+0x411/0x2000 [ 1703.893572][ T73] inet6_addr_add+0x30e/0xa40 [ 1703.893572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.893572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.893572][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.893572][ T73] netlink_unicast+0x449/0x710 [ 1703.893572][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.893572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.893572][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.893572][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.893572][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.893572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.893572][ T73] [ 1703.895812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.895812][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.895812][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.895812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.895812][ T73] ip6_route_add+0x1c/0x140 [ 1703.895812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1703.895812][ T73] addrconf_add_dev+0xe2/0x170 [ 1703.895812][ T73] inet6_addr_add+0x12f/0xa40 [ 1703.895812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.895812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.895812][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.895812][ T73] netlink_unicast+0x449/0x710 [ 1703.895812][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.895812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.895812][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.895812][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.895812][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.895812][ T73] [ 1703.898002][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.898002][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1703.898002][ T73] ipv6_find_idev+0x102/0x170 [ 1703.898002][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.898002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.898002][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.898002][ T73] netlink_unicast+0x449/0x710 [ 1703.898002][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.898002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.898002][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.898002][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.898002][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.898002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.898002][ T73] [ 1703.899725][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1703.899725][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1703.899725][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1703.899725][ T73] ipv6_find_idev+0x102/0x170 [ 1703.899725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.899725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.899725][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.899725][ T73] netlink_unicast+0x449/0x710 [ 1703.899725][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.899725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.899725][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.899725][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.899725][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.899725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.899725][ T73] [ 1703.901617][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1703.901924][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.901924][ T73] dst_init+0x84/0x4a0 [ 1703.901924][ T73] dst_alloc+0x97/0x150 [ 1703.901924][ T73] ip6_dst_alloc+0x23/0x90 [ 1703.901924][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1703.901924][ T73] ip6_pol_route+0x56f/0x840 [ 1703.901924][ T73] fib6_rule_lookup+0x456/0x630 [ 1703.901924][ T73] ip6_route_input+0x59c/0xa50 [ 1703.901924][ T73] ipv6_rcv+0x397/0x810 [ 1703.901924][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1703.901924][ T73] process_backlog+0x101/0x620 [ 1703.901924][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1703.901924][ T73] net_rx_action+0x495/0xbe0 [ 1703.901924][ T73] __do_softirq+0x1b5/0x7f6 [ 1703.901924][ T73] [ 1703.903749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.903749][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.903749][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.903749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.903749][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1703.903749][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1703.903749][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1703.903749][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1703.903749][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1703.903749][ T73] addrconf_dad_begin+0x310/0x670 [ 1703.903749][ T73] addrconf_dad_work+0x10b/0xab0 [ 1703.903749][ T73] process_one_work+0x84d/0x18a0 [ 1703.903749][ T73] worker_thread+0x587/0xd30 [ 1703.903749][ T73] kthread+0x28a/0x350 [ 1703.903749][ T73] ret_from_fork+0x31/0x70 [ 1703.903749][ T73] ret_from_fork_asm+0x1a/0x30 [ 1703.903749][ T73] [ 1703.905881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.905881][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.905881][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.905881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.905881][ T73] ip6_route_add+0x1c/0x140 [ 1703.905881][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1703.905881][ T73] inet6_addr_add+0x4f8/0xa40 [ 1703.905881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.905881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.905881][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.905881][ T73] netlink_unicast+0x449/0x710 [ 1703.905881][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.905881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.905881][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.905881][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.905881][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.905881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.905881][ T73] [ 1703.908239][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.908239][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.908239][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.908239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.908239][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1703.908239][ T73] ipv6_add_addr+0x411/0x2000 [ 1703.908239][ T73] inet6_addr_add+0x30e/0xa40 [ 1703.908239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.908239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.908239][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.908239][ T73] netlink_unicast+0x449/0x710 [ 1703.908239][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.908239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.908239][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.908239][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.908239][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.908239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.908239][ T73] [ 1703.910480][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.910480][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.910480][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.910480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.910480][ T73] ip6_route_add+0x1c/0x140 [ 1703.910480][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1703.910480][ T73] addrconf_add_dev+0xe2/0x170 [ 1703.910480][ T73] inet6_addr_add+0x12f/0xa40 [ 1703.910480][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.910480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.910480][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.910480][ T73] netlink_unicast+0x449/0x710 [ 1703.910480][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.910480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.910480][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.910480][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.910480][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.910480][ T73] [ 1703.912670][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.912670][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1703.912670][ T73] ipv6_find_idev+0x102/0x170 [ 1703.912670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.912670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.912670][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.912670][ T73] netlink_unicast+0x449/0x710 [ 1703.912670][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.912670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.912670][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.912670][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.912670][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.912670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.912670][ T73] [ 1703.914401][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1703.914401][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1703.914401][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1703.914401][ T73] ipv6_find_idev+0x102/0x170 [ 1703.914401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.914401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.914401][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.914401][ T73] netlink_unicast+0x449/0x710 [ 1703.914401][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.914401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.914401][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.914401][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.914401][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.914401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.914401][ T73] [ 1703.916412][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1703.916701][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.916701][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1703.916701][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1703.916701][ T73] fib6_nh_init+0xa22/0x1580 [ 1703.916701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.916701][ T73] ip6_route_add+0x1c/0x140 [ 1703.916701][ T73] inet6_rtm_newroute+0x104/0x110 [ 1703.916701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.916701][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.916701][ T73] netlink_unicast+0x449/0x710 [ 1703.916701][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.916701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.916701][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.916701][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.916701][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.916701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.916701][ T73] [ 1703.919034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.919034][ T73] dst_init+0x84/0x4a0 [ 1703.919034][ T73] dst_alloc+0x97/0x150 [ 1703.919034][ T73] ip6_dst_alloc+0x23/0x90 [ 1703.919034][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1703.919034][ T73] ip6_pol_route+0x56f/0x840 [ 1703.919034][ T73] fib6_rule_lookup+0x456/0x630 [ 1703.919034][ T73] ip6_route_input+0x59c/0xa50 [ 1703.919034][ T73] ipv6_rcv+0x397/0x810 [ 1703.919034][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1703.919034][ T73] process_backlog+0x101/0x620 [ 1703.919034][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1703.919034][ T73] net_rx_action+0x495/0xbe0 [ 1703.919034][ T73] __do_softirq+0x1b5/0x7f6 [ 1703.919034][ T73] [ 1703.921031][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.921031][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.921031][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.921031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.921031][ T73] ip6_route_add+0x1c/0x140 [ 1703.921031][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1703.921031][ T73] inet6_addr_add+0x4f8/0xa40 [ 1703.921031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.921031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.921031][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.921031][ T73] netlink_unicast+0x449/0x710 [ 1703.921031][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.921031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.921031][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.921031][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.921031][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.921031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.921031][ T73] [ 1703.923578][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.923578][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.923578][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.923578][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.923578][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1703.923578][ T73] ipv6_add_addr+0x411/0x2000 [ 1703.923578][ T73] inet6_addr_add+0x30e/0xa40 [ 1703.923578][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.923578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.923578][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.923578][ T73] netlink_unicast+0x449/0x710 [ 1703.923578][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.923578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.923578][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.923578][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.923578][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.923578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.923578][ T73] [ 1703.926049][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.926049][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.926049][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.926049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.926049][ T73] ip6_route_add+0x1c/0x140 [ 1703.926049][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1703.926049][ T73] addrconf_add_dev+0xe2/0x170 [ 1703.926049][ T73] inet6_addr_add+0x12f/0xa40 [ 1703.926049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.926049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.926049][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.926049][ T73] netlink_unicast+0x449/0x710 [ 1703.926049][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.926049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.926049][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.926049][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.926049][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.926049][ T73] [ 1703.928477][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.928477][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1703.928477][ T73] ipv6_find_idev+0x102/0x170 [ 1703.928477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.928477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.928477][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.928477][ T73] netlink_unicast+0x449/0x710 [ 1703.928477][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.928477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.928477][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.928477][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.928477][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.928477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.928477][ T73] [ 1703.930304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1703.930304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1703.930304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1703.930304][ T73] ipv6_find_idev+0x102/0x170 [ 1703.930304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.930304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.930304][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.930304][ T73] netlink_unicast+0x449/0x710 [ 1703.930304][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.930304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.930304][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.930304][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.930304][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.930304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.930304][ T73] [ 1703.932490][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1703.932792][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1703.932792][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.932792][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.932792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.932792][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1703.932792][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1703.932792][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1703.932792][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1703.932792][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1703.932792][ T73] addrconf_dad_begin+0x310/0x670 [ 1703.932792][ T73] addrconf_dad_work+0x10b/0xab0 [ 1703.932792][ T73] process_one_work+0x84d/0x18a0 [ 1703.932792][ T73] worker_thread+0x587/0xd30 [ 1703.932792][ T73] kthread+0x28a/0x350 [ 1703.932792][ T73] ret_from_fork+0x31/0x70 [ 1703.932792][ T73] ret_from_fork_asm+0x1a/0x30 [ 1703.932792][ T73] [ 1703.935154][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1703.935154][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.935154][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.935154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.935154][ T73] ip6_route_add+0x1c/0x140 [ 1703.935154][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1703.935154][ T73] inet6_addr_add+0x4f8/0xa40 [ 1703.935154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.935154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.935154][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.935154][ T73] netlink_unicast+0x449/0x710 [ 1703.935154][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.935154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.935154][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.935154][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.935154][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.935154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.935154][ T73] [ 1703.937630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1703.937630][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.937630][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.937630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.937630][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1703.937630][ T73] ipv6_add_addr+0x411/0x2000 [ 1703.937630][ T73] inet6_addr_add+0x30e/0xa40 [ 1703.937630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.937630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.937630][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.937630][ T73] netlink_unicast+0x449/0x710 [ 1703.937630][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.937630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.937630][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.937630][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.937630][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.937630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.937630][ T73] [ 1703.940074][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1703.940074][ T73] netdev_get_by_index+0x5e/0x80 [ 1703.940074][ T73] fib6_nh_init+0x3d8/0x1580 [ 1703.940074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1703.940074][ T73] ip6_route_add+0x1c/0x140 [ 1703.940074][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1703.940074][ T73] addrconf_add_dev+0xe2/0x170 [ 1703.940074][ T73] inet6_addr_add+0x12f/0xa40 [ 1703.940074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.940074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.940074][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.940074][ T73] netlink_unicast+0x449/0x710 [ 1703.940074][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.940074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.940074][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.940074][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.940074][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.940074][ T73] [ 1703.942512][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1703.942512][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1703.942512][ T73] ipv6_find_idev+0x102/0x170 [ 1703.942512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.942512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.942512][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.942512][ T73] netlink_unicast+0x449/0x710 [ 1703.942512][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.942512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.942512][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.942512][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.942512][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.942512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.942512][ T73] [ 1703.944473][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1703.944473][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1703.944473][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1703.944473][ T73] ipv6_find_idev+0x102/0x170 [ 1703.944473][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.944473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.944473][ T73] netlink_rcv_skb+0x130/0x360 [ 1703.944473][ T73] netlink_unicast+0x449/0x710 [ 1703.944473][ T73] netlink_sendmsg+0x723/0xbe0 [ 1703.944473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1703.944473][ T73] ___sys_sendmsg+0xee/0x170 [ 1703.944473][ T73] __sys_sendmsg+0xcd/0x170 [ 1703.944473][ T73] do_syscall_64+0xc6/0x1e0 [ 1703.944473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.944473][ T73] [ 1714.182977][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1714.183498][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.183498][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1714.183498][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1714.183498][ T73] fib6_nh_init+0xa22/0x1580 [ 1714.183498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.183498][ T73] ip6_route_add+0x1c/0x140 [ 1714.183498][ T73] inet6_rtm_newroute+0x104/0x110 [ 1714.183498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.183498][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.183498][ T73] netlink_unicast+0x449/0x710 [ 1714.183498][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.183498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.183498][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.183498][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.183498][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.183498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.183498][ T73] [ 1714.185612][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.185612][ T73] dst_init+0x84/0x4a0 [ 1714.185612][ T73] dst_alloc+0x97/0x150 [ 1714.185612][ T73] ip6_dst_alloc+0x23/0x90 [ 1714.185612][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1714.185612][ T73] ip6_pol_route+0x56f/0x840 [ 1714.185612][ T73] fib6_rule_lookup+0x456/0x630 [ 1714.185612][ T73] ip6_route_input+0x59c/0xa50 [ 1714.185612][ T73] ipv6_rcv+0x397/0x810 [ 1714.185612][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1714.185612][ T73] process_backlog+0x101/0x620 [ 1714.185612][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1714.185612][ T73] net_rx_action+0x495/0xbe0 [ 1714.185612][ T73] __do_softirq+0x1b5/0x7f6 [ 1714.185612][ T73] [ 1714.187495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.187495][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.187495][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.187495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.187495][ T73] ip6_route_add+0x1c/0x140 [ 1714.187495][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1714.187495][ T73] inet6_addr_add+0x4f8/0xa40 [ 1714.187495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.187495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.187495][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.187495][ T73] netlink_unicast+0x449/0x710 [ 1714.187495][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.187495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.187495][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.187495][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.187495][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.187495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.187495][ T73] [ 1714.189708][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.189708][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.189708][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.189708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.189708][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1714.189708][ T73] ipv6_add_addr+0x411/0x2000 [ 1714.189708][ T73] inet6_addr_add+0x30e/0xa40 [ 1714.189708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.189708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.189708][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.189708][ T73] netlink_unicast+0x449/0x710 [ 1714.189708][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.189708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.189708][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.189708][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.189708][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.189708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.189708][ T73] [ 1714.191923][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.191923][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.191923][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.191923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.191923][ T73] ip6_route_add+0x1c/0x140 [ 1714.191923][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.191923][ T73] addrconf_add_dev+0xe2/0x170 [ 1714.191923][ T73] inet6_addr_add+0x12f/0xa40 [ 1714.191923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.191923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.191923][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.191923][ T73] netlink_unicast+0x449/0x710 [ 1714.191923][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.191923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.191923][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.191923][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.191923][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.191923][ T73] [ 1714.194107][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.194107][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1714.194107][ T73] ipv6_find_idev+0x102/0x170 [ 1714.194107][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.194107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.194107][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.194107][ T73] netlink_unicast+0x449/0x710 [ 1714.194107][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.194107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.194107][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.194107][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.194107][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.194107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.194107][ T73] [ 1714.195844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1714.195844][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1714.195844][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1714.195844][ T73] ipv6_find_idev+0x102/0x170 [ 1714.195844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.195844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.195844][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.195844][ T73] netlink_unicast+0x449/0x710 [ 1714.195844][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.195844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.195844][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.195844][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.195844][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.195844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.195844][ T73] [ 1714.197741][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1714.198059][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.198059][ T73] dst_init+0x84/0x4a0 [ 1714.198059][ T73] dst_alloc+0x97/0x150 [ 1714.198059][ T73] ip6_dst_alloc+0x23/0x90 [ 1714.198059][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1714.198059][ T73] ip6_pol_route+0x56f/0x840 [ 1714.198059][ T73] fib6_rule_lookup+0x456/0x630 [ 1714.198059][ T73] ip6_route_input+0x59c/0xa50 [ 1714.198059][ T73] ipv6_rcv+0x397/0x810 [ 1714.198059][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1714.198059][ T73] process_backlog+0x101/0x620 [ 1714.198059][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1714.198059][ T73] net_rx_action+0x495/0xbe0 [ 1714.198059][ T73] __do_softirq+0x1b5/0x7f6 [ 1714.198059][ T73] [ 1714.199887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.199887][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.199887][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.199887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.199887][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1714.199887][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1714.199887][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1714.199887][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1714.199887][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1714.199887][ T73] addrconf_dad_begin+0x310/0x670 [ 1714.199887][ T73] addrconf_dad_work+0x10b/0xab0 [ 1714.199887][ T73] process_one_work+0x84d/0x18a0 [ 1714.199887][ T73] worker_thread+0x587/0xd30 [ 1714.199887][ T73] kthread+0x28a/0x350 [ 1714.199887][ T73] ret_from_fork+0x31/0x70 [ 1714.199887][ T73] ret_from_fork_asm+0x1a/0x30 [ 1714.199887][ T73] [ 1714.202010][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.202010][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.202010][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.202010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.202010][ T73] ip6_route_add+0x1c/0x140 [ 1714.202010][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1714.202010][ T73] inet6_addr_add+0x4f8/0xa40 [ 1714.202010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.202010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.202010][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.202010][ T73] netlink_unicast+0x449/0x710 [ 1714.202010][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.202010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.202010][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.202010][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.202010][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.202010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.202010][ T73] [ 1714.204226][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.204226][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.204226][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.204226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.204226][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1714.204226][ T73] ipv6_add_addr+0x411/0x2000 [ 1714.204226][ T73] inet6_addr_add+0x30e/0xa40 [ 1714.204226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.204226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.204226][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.204226][ T73] netlink_unicast+0x449/0x710 [ 1714.204226][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.204226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.204226][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.204226][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.204226][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.204226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.204226][ T73] [ 1714.206443][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.206443][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.206443][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.206443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.206443][ T73] ip6_route_add+0x1c/0x140 [ 1714.206443][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.206443][ T73] addrconf_add_dev+0xe2/0x170 [ 1714.206443][ T73] inet6_addr_add+0x12f/0xa40 [ 1714.206443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.206443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.206443][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.206443][ T73] netlink_unicast+0x449/0x710 [ 1714.206443][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.206443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.206443][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.206443][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.206443][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.206443][ T73] [ 1714.208616][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.208616][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1714.208616][ T73] ipv6_find_idev+0x102/0x170 [ 1714.208616][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.208616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.208616][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.208616][ T73] netlink_unicast+0x449/0x710 [ 1714.208616][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.208616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.208616][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.208616][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.208616][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.208616][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.208616][ T73] [ 1714.210316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1714.210316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1714.210316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1714.210316][ T73] ipv6_find_idev+0x102/0x170 [ 1714.210316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.210316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.210316][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.210316][ T73] netlink_unicast+0x449/0x710 [ 1714.210316][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.210316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.210316][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.210316][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.210316][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.210316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.210316][ T73] [ 1714.212311][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1714.212606][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.212606][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1714.212606][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1714.212606][ T73] fib6_nh_init+0xa22/0x1580 [ 1714.212606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.212606][ T73] ip6_route_add+0x1c/0x140 [ 1714.212606][ T73] inet6_rtm_newroute+0x104/0x110 [ 1714.212606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.212606][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.212606][ T73] netlink_unicast+0x449/0x710 [ 1714.212606][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.212606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.212606][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.212606][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.212606][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.212606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.212606][ T73] [ 1714.214956][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.214956][ T73] dst_init+0x84/0x4a0 [ 1714.214956][ T73] dst_alloc+0x97/0x150 [ 1714.214956][ T73] ip6_dst_alloc+0x23/0x90 [ 1714.214956][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1714.214956][ T73] ip6_pol_route+0x56f/0x840 [ 1714.214956][ T73] fib6_rule_lookup+0x456/0x630 [ 1714.214956][ T73] ip6_route_input+0x59c/0xa50 [ 1714.214956][ T73] ipv6_rcv+0x397/0x810 [ 1714.214956][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1714.214956][ T73] process_backlog+0x101/0x620 [ 1714.214956][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1714.214956][ T73] net_rx_action+0x495/0xbe0 [ 1714.214956][ T73] __do_softirq+0x1b5/0x7f6 [ 1714.214956][ T73] [ 1714.216847][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.216847][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.216847][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.216847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.216847][ T73] ip6_route_add+0x1c/0x140 [ 1714.216847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1714.216847][ T73] inet6_addr_add+0x4f8/0xa40 [ 1714.216847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.216847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.216847][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.216847][ T73] netlink_unicast+0x449/0x710 [ 1714.216847][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.216847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.216847][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.216847][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.216847][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.216847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.216847][ T73] [ 1714.219236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.219236][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.219236][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.219236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.219236][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1714.219236][ T73] ipv6_add_addr+0x411/0x2000 [ 1714.219236][ T73] inet6_addr_add+0x30e/0xa40 [ 1714.219236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.219236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.219236][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.219236][ T73] netlink_unicast+0x449/0x710 [ 1714.219236][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.219236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.219236][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.219236][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.219236][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.219236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.219236][ T73] [ 1714.221525][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.221525][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.221525][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.221525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.221525][ T73] ip6_route_add+0x1c/0x140 [ 1714.221525][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.221525][ T73] addrconf_add_dev+0xe2/0x170 [ 1714.221525][ T73] inet6_addr_add+0x12f/0xa40 [ 1714.221525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.221525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.221525][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.221525][ T73] netlink_unicast+0x449/0x710 [ 1714.221525][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.221525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.221525][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.221525][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.221525][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.221525][ T73] [ 1714.223872][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.223872][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1714.223872][ T73] ipv6_find_idev+0x102/0x170 [ 1714.223872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.223872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.223872][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.223872][ T73] netlink_unicast+0x449/0x710 [ 1714.223872][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.223872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.223872][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.223872][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.223872][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.223872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.223872][ T73] [ 1714.225575][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1714.225575][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1714.225575][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1714.225575][ T73] ipv6_find_idev+0x102/0x170 [ 1714.225575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.225575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.225575][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.225575][ T73] netlink_unicast+0x449/0x710 [ 1714.225575][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.225575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.225575][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.225575][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.225575][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.225575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.225575][ T73] [ 1714.227602][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1714.227966][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1714.227966][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.227966][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.227966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.227966][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1714.227966][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1714.227966][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1714.227966][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1714.227966][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1714.227966][ T73] addrconf_dad_begin+0x310/0x670 [ 1714.227966][ T73] addrconf_dad_work+0x10b/0xab0 [ 1714.227966][ T73] process_one_work+0x84d/0x18a0 [ 1714.227966][ T73] worker_thread+0x587/0xd30 [ 1714.227966][ T73] kthread+0x28a/0x350 [ 1714.227966][ T73] ret_from_fork+0x31/0x70 [ 1714.227966][ T73] ret_from_fork_asm+0x1a/0x30 [ 1714.227966][ T73] [ 1714.230177][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1714.230177][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.230177][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.230177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.230177][ T73] ip6_route_add+0x1c/0x140 [ 1714.230177][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1714.230177][ T73] inet6_addr_add+0x4f8/0xa40 [ 1714.230177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.230177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.230177][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.230177][ T73] netlink_unicast+0x449/0x710 [ 1714.230177][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.230177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.230177][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.230177][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.230177][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.230177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.230177][ T73] [ 1714.232482][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1714.232482][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.232482][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.232482][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.232482][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1714.232482][ T73] ipv6_add_addr+0x411/0x2000 [ 1714.232482][ T73] inet6_addr_add+0x30e/0xa40 [ 1714.232482][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.232482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.232482][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.232482][ T73] netlink_unicast+0x449/0x710 [ 1714.232482][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.232482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.232482][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.232482][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.232482][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.232482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.232482][ T73] [ 1714.234851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1714.234851][ T73] netdev_get_by_index+0x5e/0x80 [ 1714.234851][ T73] fib6_nh_init+0x3d8/0x1580 [ 1714.234851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1714.234851][ T73] ip6_route_add+0x1c/0x140 [ 1714.234851][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.234851][ T73] addrconf_add_dev+0xe2/0x170 [ 1714.234851][ T73] inet6_addr_add+0x12f/0xa40 [ 1714.234851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.234851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.234851][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.234851][ T73] netlink_unicast+0x449/0x710 [ 1714.234851][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.234851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.234851][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.234851][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.234851][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.234851][ T73] [ 1714.237115][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1714.237115][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1714.237115][ T73] ipv6_find_idev+0x102/0x170 [ 1714.237115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.237115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.237115][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.237115][ T73] netlink_unicast+0x449/0x710 [ 1714.237115][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.237115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.237115][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.237115][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.237115][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.237115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.237115][ T73] [ 1714.238903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1714.238903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1714.238903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1714.238903][ T73] ipv6_find_idev+0x102/0x170 [ 1714.238903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.238903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.238903][ T73] netlink_rcv_skb+0x130/0x360 [ 1714.238903][ T73] netlink_unicast+0x449/0x710 [ 1714.238903][ T73] netlink_sendmsg+0x723/0xbe0 [ 1714.238903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1714.238903][ T73] ___sys_sendmsg+0xee/0x170 [ 1714.238903][ T73] __sys_sendmsg+0xcd/0x170 [ 1714.238903][ T73] do_syscall_64+0xc6/0x1e0 [ 1714.238903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.238903][ T73] [ 1724.334902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1724.335338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.335338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1724.335338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1724.335338][ T73] fib6_nh_init+0xa22/0x1580 [ 1724.335338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.335338][ T73] ip6_route_add+0x1c/0x140 [ 1724.335338][ T73] inet6_rtm_newroute+0x104/0x110 [ 1724.335338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.335338][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.335338][ T73] netlink_unicast+0x449/0x710 [ 1724.335338][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.335338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.335338][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.335338][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.335338][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.335338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.335338][ T73] [ 1724.337259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.337259][ T73] dst_init+0x84/0x4a0 [ 1724.337259][ T73] dst_alloc+0x97/0x150 [ 1724.337259][ T73] ip6_dst_alloc+0x23/0x90 [ 1724.337259][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1724.337259][ T73] ip6_pol_route+0x56f/0x840 [ 1724.337259][ T73] fib6_rule_lookup+0x456/0x630 [ 1724.337259][ T73] ip6_route_input+0x59c/0xa50 [ 1724.337259][ T73] ipv6_rcv+0x397/0x810 [ 1724.337259][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1724.337259][ T73] process_backlog+0x101/0x620 [ 1724.337259][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1724.337259][ T73] net_rx_action+0x495/0xbe0 [ 1724.337259][ T73] __do_softirq+0x1b5/0x7f6 [ 1724.337259][ T73] [ 1724.338915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.338915][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.338915][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.338915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.338915][ T73] ip6_route_add+0x1c/0x140 [ 1724.338915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1724.338915][ T73] inet6_addr_add+0x4f8/0xa40 [ 1724.338915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.338915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.338915][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.338915][ T73] netlink_unicast+0x449/0x710 [ 1724.338915][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.338915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.338915][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.338915][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.338915][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.338915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.338915][ T73] [ 1724.340925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.340925][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.340925][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.340925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.340925][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1724.340925][ T73] ipv6_add_addr+0x411/0x2000 [ 1724.340925][ T73] inet6_addr_add+0x30e/0xa40 [ 1724.340925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.340925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.340925][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.340925][ T73] netlink_unicast+0x449/0x710 [ 1724.340925][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.340925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.340925][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.340925][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.340925][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.340925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.340925][ T73] [ 1724.342940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.342940][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.342940][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.342940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.342940][ T73] ip6_route_add+0x1c/0x140 [ 1724.342940][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1724.342940][ T73] addrconf_add_dev+0xe2/0x170 [ 1724.342940][ T73] inet6_addr_add+0x12f/0xa40 [ 1724.342940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.342940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.342940][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.342940][ T73] netlink_unicast+0x449/0x710 [ 1724.342940][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.342940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.342940][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.342940][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.342940][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.342940][ T73] [ 1724.344926][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.344926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1724.344926][ T73] ipv6_find_idev+0x102/0x170 [ 1724.344926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.344926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.344926][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.344926][ T73] netlink_unicast+0x449/0x710 [ 1724.344926][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.344926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.344926][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.344926][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.344926][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.344926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.344926][ T73] [ 1724.346476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1724.346476][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1724.346476][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1724.346476][ T73] ipv6_find_idev+0x102/0x170 [ 1724.346476][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.346476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.346476][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.346476][ T73] netlink_unicast+0x449/0x710 [ 1724.346476][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.346476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.346476][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.346476][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.346476][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.346476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.346476][ T73] [ 1724.348207][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1724.348485][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.348485][ T73] dst_init+0x84/0x4a0 [ 1724.348485][ T73] dst_alloc+0x97/0x150 [ 1724.348485][ T73] ip6_dst_alloc+0x23/0x90 [ 1724.348485][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1724.348485][ T73] ip6_pol_route+0x56f/0x840 [ 1724.348485][ T73] fib6_rule_lookup+0x456/0x630 [ 1724.348485][ T73] ip6_route_input+0x59c/0xa50 [ 1724.348485][ T73] ipv6_rcv+0x397/0x810 [ 1724.348485][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1724.348485][ T73] process_backlog+0x101/0x620 [ 1724.348485][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1724.348485][ T73] net_rx_action+0x495/0xbe0 [ 1724.348485][ T73] __do_softirq+0x1b5/0x7f6 [ 1724.348485][ T73] [ 1724.350151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.350151][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.350151][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.350151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.350151][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1724.350151][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1724.350151][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1724.350151][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1724.350151][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1724.350151][ T73] addrconf_dad_begin+0x310/0x670 [ 1724.350151][ T73] addrconf_dad_work+0x10b/0xab0 [ 1724.350151][ T73] process_one_work+0x84d/0x18a0 [ 1724.350151][ T73] worker_thread+0x587/0xd30 [ 1724.350151][ T73] kthread+0x28a/0x350 [ 1724.350151][ T73] ret_from_fork+0x31/0x70 [ 1724.350151][ T73] ret_from_fork_asm+0x1a/0x30 [ 1724.350151][ T73] [ 1724.352067][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.352067][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.352067][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.352067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.352067][ T73] ip6_route_add+0x1c/0x140 [ 1724.352067][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1724.352067][ T73] inet6_addr_add+0x4f8/0xa40 [ 1724.352067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.352067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.352067][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.352067][ T73] netlink_unicast+0x449/0x710 [ 1724.352067][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.352067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.352067][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.352067][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.352067][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.352067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.352067][ T73] [ 1724.354092][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.354092][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.354092][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.354092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.354092][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1724.354092][ T73] ipv6_add_addr+0x411/0x2000 [ 1724.354092][ T73] inet6_addr_add+0x30e/0xa40 [ 1724.354092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.354092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.354092][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.354092][ T73] netlink_unicast+0x449/0x710 [ 1724.354092][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.354092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.354092][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.354092][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.354092][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.354092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.354092][ T73] [ 1724.356098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.356098][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.356098][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.356098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.356098][ T73] ip6_route_add+0x1c/0x140 [ 1724.356098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1724.356098][ T73] addrconf_add_dev+0xe2/0x170 [ 1724.356098][ T73] inet6_addr_add+0x12f/0xa40 [ 1724.356098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.356098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.356098][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.356098][ T73] netlink_unicast+0x449/0x710 [ 1724.356098][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.356098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.356098][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.356098][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.356098][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.356098][ T73] [ 1724.358078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.358078][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1724.358078][ T73] ipv6_find_idev+0x102/0x170 [ 1724.358078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.358078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.358078][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.358078][ T73] netlink_unicast+0x449/0x710 [ 1724.358078][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.358078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.358078][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.358078][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.358078][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.358078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.358078][ T73] [ 1724.359628][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1724.359628][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1724.359628][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1724.359628][ T73] ipv6_find_idev+0x102/0x170 [ 1724.359628][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.359628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.359628][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.359628][ T73] netlink_unicast+0x449/0x710 [ 1724.359628][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.359628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.359628][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.359628][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.359628][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.359628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.359628][ T73] [ 1724.361455][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1724.361732][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.361732][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1724.361732][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1724.361732][ T73] fib6_nh_init+0xa22/0x1580 [ 1724.361732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.361732][ T73] ip6_route_add+0x1c/0x140 [ 1724.361732][ T73] inet6_rtm_newroute+0x104/0x110 [ 1724.361732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.361732][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.361732][ T73] netlink_unicast+0x449/0x710 [ 1724.361732][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.361732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.361732][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.361732][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.361732][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.361732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.361732][ T73] [ 1724.363878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.363878][ T73] dst_init+0x84/0x4a0 [ 1724.363878][ T73] dst_alloc+0x97/0x150 [ 1724.363878][ T73] ip6_dst_alloc+0x23/0x90 [ 1724.363878][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1724.363878][ T73] ip6_pol_route+0x56f/0x840 [ 1724.363878][ T73] fib6_rule_lookup+0x456/0x630 [ 1724.363878][ T73] ip6_route_input+0x59c/0xa50 [ 1724.363878][ T73] ipv6_rcv+0x397/0x810 [ 1724.363878][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1724.363878][ T73] process_backlog+0x101/0x620 [ 1724.363878][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1724.363878][ T73] net_rx_action+0x495/0xbe0 [ 1724.363878][ T73] __do_softirq+0x1b5/0x7f6 [ 1724.363878][ T73] [ 1724.365780][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.365780][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.365780][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.365780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.365780][ T73] ip6_route_add+0x1c/0x140 [ 1724.365780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1724.365780][ T73] inet6_addr_add+0x4f8/0xa40 [ 1724.365780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.365780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.365780][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.365780][ T73] netlink_unicast+0x449/0x710 [ 1724.365780][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.365780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.365780][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.365780][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.365780][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.365780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.365780][ T73] [ 1724.368032][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.368032][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.368032][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.368032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.368032][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1724.368032][ T73] ipv6_add_addr+0x411/0x2000 [ 1724.368032][ T73] inet6_addr_add+0x30e/0xa40 [ 1724.368032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.368032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.368032][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.368032][ T73] netlink_unicast+0x449/0x710 [ 1724.368032][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.368032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.368032][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.368032][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.368032][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.368032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.368032][ T73] [ 1724.370279][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.370279][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.370279][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.370279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.370279][ T73] ip6_route_add+0x1c/0x140 [ 1724.370279][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1724.370279][ T73] addrconf_add_dev+0xe2/0x170 [ 1724.370279][ T73] inet6_addr_add+0x12f/0xa40 [ 1724.370279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.370279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.370279][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.370279][ T73] netlink_unicast+0x449/0x710 [ 1724.370279][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.370279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.370279][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.370279][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.370279][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.370279][ T73] [ 1724.372505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.372505][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1724.372505][ T73] ipv6_find_idev+0x102/0x170 [ 1724.372505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.372505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.372505][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.372505][ T73] netlink_unicast+0x449/0x710 [ 1724.372505][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.372505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.372505][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.372505][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.372505][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.372505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.372505][ T73] [ 1724.374177][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1724.374177][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1724.374177][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1724.374177][ T73] ipv6_find_idev+0x102/0x170 [ 1724.374177][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.374177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.374177][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.374177][ T73] netlink_unicast+0x449/0x710 [ 1724.374177][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.374177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.374177][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.374177][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.374177][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.374177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.374177][ T73] [ 1724.376190][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1724.376460][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1724.376460][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.376460][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.376460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.376460][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1724.376460][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1724.376460][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1724.376460][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1724.376460][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1724.376460][ T73] addrconf_dad_begin+0x310/0x670 [ 1724.376460][ T73] addrconf_dad_work+0x10b/0xab0 [ 1724.376460][ T73] process_one_work+0x84d/0x18a0 [ 1724.376460][ T73] worker_thread+0x587/0xd30 [ 1724.376460][ T73] kthread+0x28a/0x350 [ 1724.376460][ T73] ret_from_fork+0x31/0x70 [ 1724.376460][ T73] ret_from_fork_asm+0x1a/0x30 [ 1724.376460][ T73] [ 1724.378619][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1724.378619][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.378619][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.378619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.378619][ T73] ip6_route_add+0x1c/0x140 [ 1724.378619][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1724.378619][ T73] inet6_addr_add+0x4f8/0xa40 [ 1724.378619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.378619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.378619][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.378619][ T73] netlink_unicast+0x449/0x710 [ 1724.378619][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.378619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.378619][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.378619][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.378619][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.378619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.378619][ T73] [ 1724.380872][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1724.380872][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.380872][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.380872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.380872][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1724.380872][ T73] ipv6_add_addr+0x411/0x2000 [ 1724.380872][ T73] inet6_addr_add+0x30e/0xa40 [ 1724.380872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.380872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.380872][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.380872][ T73] netlink_unicast+0x449/0x710 [ 1724.380872][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.380872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.380872][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.380872][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.380872][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.380872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.380872][ T73] [ 1724.383064][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1724.383064][ T73] netdev_get_by_index+0x5e/0x80 [ 1724.383064][ T73] fib6_nh_init+0x3d8/0x1580 [ 1724.383064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1724.383064][ T73] ip6_route_add+0x1c/0x140 [ 1724.383064][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1724.383064][ T73] addrconf_add_dev+0xe2/0x170 [ 1724.383064][ T73] inet6_addr_add+0x12f/0xa40 [ 1724.383064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1724.383064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.383064][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.383064][ T73] netlink_unicast+0x449/0x710 [ 1724.383064][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.383064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.383064][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.383064][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.383064][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.383064][ T73] [ 1724.385338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1724.385338][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1724.385338][ T73] ipv6_find_idev+0x102/0x170 [ 1724.385338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.385338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.385338][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.385338][ T73] netlink_unicast+0x449/0x710 [ 1724.385338][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.385338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.385338][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.385338][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.385338][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.385338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.385338][ T73] [ 1724.387060][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1724.387060][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1724.387060][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1724.387060][ T73] ipv6_find_idev+0x102/0x170 [ 1724.387060][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1724.387060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1724.387060][ T73] netlink_rcv_skb+0x130/0x360 [ 1724.387060][ T73] netlink_unicast+0x449/0x710 [ 1724.387060][ T73] netlink_sendmsg+0x723/0xbe0 [ 1724.387060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1724.387060][ T73] ___sys_sendmsg+0xee/0x170 [ 1724.387060][ T73] __sys_sendmsg+0xcd/0x170 [ 1724.387060][ T73] do_syscall_64+0xc6/0x1e0 [ 1724.387060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1724.387060][ T73] [ 1734.630874][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1734.631277][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.631277][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1734.631277][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1734.631277][ T73] fib6_nh_init+0xa22/0x1580 [ 1734.631277][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.631277][ T73] ip6_route_add+0x1c/0x140 [ 1734.631277][ T73] inet6_rtm_newroute+0x104/0x110 [ 1734.631277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.631277][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.631277][ T73] netlink_unicast+0x449/0x710 [ 1734.631277][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.631277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.631277][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.631277][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.631277][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.631277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.631277][ T73] [ 1734.633200][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.633200][ T73] dst_init+0x84/0x4a0 [ 1734.633200][ T73] dst_alloc+0x97/0x150 [ 1734.633200][ T73] ip6_dst_alloc+0x23/0x90 [ 1734.633200][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1734.633200][ T73] ip6_pol_route+0x56f/0x840 [ 1734.633200][ T73] fib6_rule_lookup+0x456/0x630 [ 1734.633200][ T73] ip6_route_input+0x59c/0xa50 [ 1734.633200][ T73] ipv6_rcv+0x397/0x810 [ 1734.633200][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1734.633200][ T73] process_backlog+0x101/0x620 [ 1734.633200][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1734.633200][ T73] net_rx_action+0x495/0xbe0 [ 1734.633200][ T73] __do_softirq+0x1b5/0x7f6 [ 1734.633200][ T73] [ 1734.634865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.634865][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.634865][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.634865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.634865][ T73] ip6_route_add+0x1c/0x140 [ 1734.634865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1734.634865][ T73] inet6_addr_add+0x4f8/0xa40 [ 1734.634865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.634865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.634865][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.634865][ T73] netlink_unicast+0x449/0x710 [ 1734.634865][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.634865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.634865][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.634865][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.634865][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.634865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.634865][ T73] [ 1734.636877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.636877][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.636877][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.636877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.636877][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1734.636877][ T73] ipv6_add_addr+0x411/0x2000 [ 1734.636877][ T73] inet6_addr_add+0x30e/0xa40 [ 1734.636877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.636877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.636877][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.636877][ T73] netlink_unicast+0x449/0x710 [ 1734.636877][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.636877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.636877][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.636877][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.636877][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.636877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.636877][ T73] [ 1734.638882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.638882][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.638882][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.638882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.638882][ T73] ip6_route_add+0x1c/0x140 [ 1734.638882][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1734.638882][ T73] addrconf_add_dev+0xe2/0x170 [ 1734.638882][ T73] inet6_addr_add+0x12f/0xa40 [ 1734.638882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.638882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.638882][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.638882][ T73] netlink_unicast+0x449/0x710 [ 1734.638882][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.638882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.638882][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.638882][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.638882][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.638882][ T73] [ 1734.640854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.640854][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1734.640854][ T73] ipv6_find_idev+0x102/0x170 [ 1734.640854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.640854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.640854][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.640854][ T73] netlink_unicast+0x449/0x710 [ 1734.640854][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.640854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.640854][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.640854][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.640854][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.640854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.640854][ T73] [ 1734.642411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1734.642411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1734.642411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1734.642411][ T73] ipv6_find_idev+0x102/0x170 [ 1734.642411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.642411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.642411][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.642411][ T73] netlink_unicast+0x449/0x710 [ 1734.642411][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.642411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.642411][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.642411][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.642411][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.642411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.642411][ T73] [ 1734.644143][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1734.644434][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.644434][ T73] dst_init+0x84/0x4a0 [ 1734.644434][ T73] dst_alloc+0x97/0x150 [ 1734.644434][ T73] ip6_dst_alloc+0x23/0x90 [ 1734.644434][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1734.644434][ T73] ip6_pol_route+0x56f/0x840 [ 1734.644434][ T73] fib6_rule_lookup+0x456/0x630 [ 1734.644434][ T73] ip6_route_input+0x59c/0xa50 [ 1734.644434][ T73] ipv6_rcv+0x397/0x810 [ 1734.644434][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1734.644434][ T73] process_backlog+0x101/0x620 [ 1734.644434][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1734.644434][ T73] net_rx_action+0x495/0xbe0 [ 1734.644434][ T73] __do_softirq+0x1b5/0x7f6 [ 1734.644434][ T73] [ 1734.646101][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.646101][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.646101][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.646101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.646101][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1734.646101][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1734.646101][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1734.646101][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1734.646101][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1734.646101][ T73] addrconf_dad_begin+0x310/0x670 [ 1734.646101][ T73] addrconf_dad_work+0x10b/0xab0 [ 1734.646101][ T73] process_one_work+0x84d/0x18a0 [ 1734.646101][ T73] worker_thread+0x587/0xd30 [ 1734.646101][ T73] kthread+0x28a/0x350 [ 1734.646101][ T73] ret_from_fork+0x31/0x70 [ 1734.646101][ T73] ret_from_fork_asm+0x1a/0x30 [ 1734.646101][ T73] [ 1734.648015][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.648015][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.648015][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.648015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.648015][ T73] ip6_route_add+0x1c/0x140 [ 1734.648015][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1734.648015][ T73] inet6_addr_add+0x4f8/0xa40 [ 1734.648015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.648015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.648015][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.648015][ T73] netlink_unicast+0x449/0x710 [ 1734.648015][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.648015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.648015][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.648015][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.648015][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.648015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.648015][ T73] [ 1734.650024][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.650024][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.650024][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.650024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.650024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1734.650024][ T73] ipv6_add_addr+0x411/0x2000 [ 1734.650024][ T73] inet6_addr_add+0x30e/0xa40 [ 1734.650024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.650024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.650024][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.650024][ T73] netlink_unicast+0x449/0x710 [ 1734.650024][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.650024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.650024][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.650024][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.650024][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.650024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.650024][ T73] [ 1734.652055][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.652055][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.652055][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.652055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.652055][ T73] ip6_route_add+0x1c/0x140 [ 1734.652055][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1734.652055][ T73] addrconf_add_dev+0xe2/0x170 [ 1734.652055][ T73] inet6_addr_add+0x12f/0xa40 [ 1734.652055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.652055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.652055][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.652055][ T73] netlink_unicast+0x449/0x710 [ 1734.652055][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.652055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.652055][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.652055][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.652055][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.652055][ T73] [ 1734.654073][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.654073][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1734.654073][ T73] ipv6_find_idev+0x102/0x170 [ 1734.654073][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.654073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.654073][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.654073][ T73] netlink_unicast+0x449/0x710 [ 1734.654073][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.654073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.654073][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.654073][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.654073][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.654073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.654073][ T73] [ 1734.655623][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1734.655623][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1734.655623][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1734.655623][ T73] ipv6_find_idev+0x102/0x170 [ 1734.655623][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.655623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.655623][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.655623][ T73] netlink_unicast+0x449/0x710 [ 1734.655623][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.655623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.655623][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.655623][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.655623][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.655623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.655623][ T73] [ 1734.657461][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1734.657737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.657737][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1734.657737][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1734.657737][ T73] fib6_nh_init+0xa22/0x1580 [ 1734.657737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.657737][ T73] ip6_route_add+0x1c/0x140 [ 1734.657737][ T73] inet6_rtm_newroute+0x104/0x110 [ 1734.657737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.657737][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.657737][ T73] netlink_unicast+0x449/0x710 [ 1734.657737][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.657737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.657737][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.657737][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.657737][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.657737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.657737][ T73] [ 1734.659866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.659866][ T73] dst_init+0x84/0x4a0 [ 1734.659866][ T73] dst_alloc+0x97/0x150 [ 1734.659866][ T73] ip6_dst_alloc+0x23/0x90 [ 1734.659866][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1734.659866][ T73] ip6_pol_route+0x56f/0x840 [ 1734.659866][ T73] fib6_rule_lookup+0x456/0x630 [ 1734.659866][ T73] ip6_route_input+0x59c/0xa50 [ 1734.659866][ T73] ipv6_rcv+0x397/0x810 [ 1734.659866][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1734.659866][ T73] process_backlog+0x101/0x620 [ 1734.659866][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1734.659866][ T73] net_rx_action+0x495/0xbe0 [ 1734.659866][ T73] __do_softirq+0x1b5/0x7f6 [ 1734.659866][ T73] [ 1734.661685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.661685][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.661685][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.661685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.661685][ T73] ip6_route_add+0x1c/0x140 [ 1734.661685][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1734.661685][ T73] inet6_addr_add+0x4f8/0xa40 [ 1734.661685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.661685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.661685][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.661685][ T73] netlink_unicast+0x449/0x710 [ 1734.661685][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.661685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.661685][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.661685][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.661685][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.661685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.661685][ T73] [ 1734.663970][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.663970][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.663970][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.663970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.663970][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1734.663970][ T73] ipv6_add_addr+0x411/0x2000 [ 1734.663970][ T73] inet6_addr_add+0x30e/0xa40 [ 1734.663970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.663970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.663970][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.663970][ T73] netlink_unicast+0x449/0x710 [ 1734.663970][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.663970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.663970][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.663970][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.663970][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.663970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.663970][ T73] [ 1734.666277][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.666277][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.666277][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.666277][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.666277][ T73] ip6_route_add+0x1c/0x140 [ 1734.666277][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1734.666277][ T73] addrconf_add_dev+0xe2/0x170 [ 1734.666277][ T73] inet6_addr_add+0x12f/0xa40 [ 1734.666277][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.666277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.666277][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.666277][ T73] netlink_unicast+0x449/0x710 [ 1734.666277][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.666277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.666277][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.666277][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.666277][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.666277][ T73] [ 1734.668497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.668497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1734.668497][ T73] ipv6_find_idev+0x102/0x170 [ 1734.668497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.668497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.668497][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.668497][ T73] netlink_unicast+0x449/0x710 [ 1734.668497][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.668497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.668497][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.668497][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.668497][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.668497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.668497][ T73] [ 1734.670170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1734.670170][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1734.670170][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1734.670170][ T73] ipv6_find_idev+0x102/0x170 [ 1734.670170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.670170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.670170][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.670170][ T73] netlink_unicast+0x449/0x710 [ 1734.670170][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.670170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.670170][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.670170][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.670170][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.670170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.670170][ T73] [ 1734.672109][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1734.672397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1734.672397][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.672397][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.672397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.672397][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1734.672397][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1734.672397][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1734.672397][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1734.672397][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1734.672397][ T73] addrconf_dad_begin+0x310/0x670 [ 1734.672397][ T73] addrconf_dad_work+0x10b/0xab0 [ 1734.672397][ T73] process_one_work+0x84d/0x18a0 [ 1734.672397][ T73] worker_thread+0x587/0xd30 [ 1734.672397][ T73] kthread+0x28a/0x350 [ 1734.672397][ T73] ret_from_fork+0x31/0x70 [ 1734.672397][ T73] ret_from_fork_asm+0x1a/0x30 [ 1734.672397][ T73] [ 1734.674552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1734.674552][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.674552][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.674552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.674552][ T73] ip6_route_add+0x1c/0x140 [ 1734.674552][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1734.674552][ T73] inet6_addr_add+0x4f8/0xa40 [ 1734.674552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.674552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.674552][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.674552][ T73] netlink_unicast+0x449/0x710 [ 1734.674552][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.674552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.674552][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.674552][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.674552][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.674552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.674552][ T73] [ 1734.676883][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1734.676883][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.676883][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.676883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.676883][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1734.676883][ T73] ipv6_add_addr+0x411/0x2000 [ 1734.676883][ T73] inet6_addr_add+0x30e/0xa40 [ 1734.676883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.676883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.676883][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.676883][ T73] netlink_unicast+0x449/0x710 [ 1734.676883][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.676883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.676883][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.676883][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.676883][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.676883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.676883][ T73] [ 1734.679079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1734.679079][ T73] netdev_get_by_index+0x5e/0x80 [ 1734.679079][ T73] fib6_nh_init+0x3d8/0x1580 [ 1734.679079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1734.679079][ T73] ip6_route_add+0x1c/0x140 [ 1734.679079][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1734.679079][ T73] addrconf_add_dev+0xe2/0x170 [ 1734.679079][ T73] inet6_addr_add+0x12f/0xa40 [ 1734.679079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1734.679079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.679079][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.679079][ T73] netlink_unicast+0x449/0x710 [ 1734.679079][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.679079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.679079][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.679079][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.679079][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.679079][ T73] [ 1734.681300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1734.681300][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1734.681300][ T73] ipv6_find_idev+0x102/0x170 [ 1734.681300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.681300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.681300][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.681300][ T73] netlink_unicast+0x449/0x710 [ 1734.681300][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.681300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.681300][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.681300][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.681300][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.681300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.681300][ T73] [ 1734.683062][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1734.683062][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1734.683062][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1734.683062][ T73] ipv6_find_idev+0x102/0x170 [ 1734.683062][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1734.683062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1734.683062][ T73] netlink_rcv_skb+0x130/0x360 [ 1734.683062][ T73] netlink_unicast+0x449/0x710 [ 1734.683062][ T73] netlink_sendmsg+0x723/0xbe0 [ 1734.683062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1734.683062][ T73] ___sys_sendmsg+0xee/0x170 [ 1734.683062][ T73] __sys_sendmsg+0xcd/0x170 [ 1734.683062][ T73] do_syscall_64+0xc6/0x1e0 [ 1734.683062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1734.683062][ T73] [ 1744.926857][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1744.927322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.927322][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1744.927322][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1744.927322][ T73] fib6_nh_init+0xa22/0x1580 [ 1744.927322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.927322][ T73] ip6_route_add+0x1c/0x140 [ 1744.927322][ T73] inet6_rtm_newroute+0x104/0x110 [ 1744.927322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.927322][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.927322][ T73] netlink_unicast+0x449/0x710 [ 1744.927322][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.927322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.927322][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.927322][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.927322][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.927322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.927322][ T73] [ 1744.929229][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.929229][ T73] dst_init+0x84/0x4a0 [ 1744.929229][ T73] dst_alloc+0x97/0x150 [ 1744.929229][ T73] ip6_dst_alloc+0x23/0x90 [ 1744.929229][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1744.929229][ T73] ip6_pol_route+0x56f/0x840 [ 1744.929229][ T73] fib6_rule_lookup+0x456/0x630 [ 1744.929229][ T73] ip6_route_input+0x59c/0xa50 [ 1744.929229][ T73] ipv6_rcv+0x397/0x810 [ 1744.929229][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1744.929229][ T73] process_backlog+0x101/0x620 [ 1744.929229][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1744.929229][ T73] net_rx_action+0x495/0xbe0 [ 1744.929229][ T73] __do_softirq+0x1b5/0x7f6 [ 1744.929229][ T73] [ 1744.930877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.930877][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.930877][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.930877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.930877][ T73] ip6_route_add+0x1c/0x140 [ 1744.930877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1744.930877][ T73] inet6_addr_add+0x4f8/0xa40 [ 1744.930877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.930877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.930877][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.930877][ T73] netlink_unicast+0x449/0x710 [ 1744.930877][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.930877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.930877][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.930877][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.930877][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.930877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.930877][ T73] [ 1744.932887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.932887][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.932887][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.932887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.932887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1744.932887][ T73] ipv6_add_addr+0x411/0x2000 [ 1744.932887][ T73] inet6_addr_add+0x30e/0xa40 [ 1744.932887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.932887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.932887][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.932887][ T73] netlink_unicast+0x449/0x710 [ 1744.932887][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.932887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.932887][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.932887][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.932887][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.932887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.932887][ T73] [ 1744.934888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.934888][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.934888][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.934888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.934888][ T73] ip6_route_add+0x1c/0x140 [ 1744.934888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1744.934888][ T73] addrconf_add_dev+0xe2/0x170 [ 1744.934888][ T73] inet6_addr_add+0x12f/0xa40 [ 1744.934888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.934888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.934888][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.934888][ T73] netlink_unicast+0x449/0x710 [ 1744.934888][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.934888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.934888][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.934888][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.934888][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.934888][ T73] [ 1744.936870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.936870][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1744.936870][ T73] ipv6_find_idev+0x102/0x170 [ 1744.936870][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.936870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.936870][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.936870][ T73] netlink_unicast+0x449/0x710 [ 1744.936870][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.936870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.936870][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.936870][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.936870][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.936870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.936870][ T73] [ 1744.938417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1744.938417][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1744.938417][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1744.938417][ T73] ipv6_find_idev+0x102/0x170 [ 1744.938417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.938417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.938417][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.938417][ T73] netlink_unicast+0x449/0x710 [ 1744.938417][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.938417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.938417][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.938417][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.938417][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.938417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.938417][ T73] [ 1744.940152][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1744.940426][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.940426][ T73] dst_init+0x84/0x4a0 [ 1744.940426][ T73] dst_alloc+0x97/0x150 [ 1744.940426][ T73] ip6_dst_alloc+0x23/0x90 [ 1744.940426][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1744.940426][ T73] ip6_pol_route+0x56f/0x840 [ 1744.940426][ T73] fib6_rule_lookup+0x456/0x630 [ 1744.940426][ T73] ip6_route_input+0x59c/0xa50 [ 1744.940426][ T73] ipv6_rcv+0x397/0x810 [ 1744.940426][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1744.940426][ T73] process_backlog+0x101/0x620 [ 1744.940426][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1744.940426][ T73] net_rx_action+0x495/0xbe0 [ 1744.940426][ T73] __do_softirq+0x1b5/0x7f6 [ 1744.940426][ T73] [ 1744.942070][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.942070][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.942070][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.942070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.942070][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1744.942070][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1744.942070][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1744.942070][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1744.942070][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1744.942070][ T73] addrconf_dad_begin+0x310/0x670 [ 1744.942070][ T73] addrconf_dad_work+0x10b/0xab0 [ 1744.942070][ T73] process_one_work+0x84d/0x18a0 [ 1744.942070][ T73] worker_thread+0x587/0xd30 [ 1744.942070][ T73] kthread+0x28a/0x350 [ 1744.942070][ T73] ret_from_fork+0x31/0x70 [ 1744.942070][ T73] ret_from_fork_asm+0x1a/0x30 [ 1744.942070][ T73] [ 1744.944003][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.944003][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.944003][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.944003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.944003][ T73] ip6_route_add+0x1c/0x140 [ 1744.944003][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1744.944003][ T73] inet6_addr_add+0x4f8/0xa40 [ 1744.944003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.944003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.944003][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.944003][ T73] netlink_unicast+0x449/0x710 [ 1744.944003][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.944003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.944003][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.944003][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.944003][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.944003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.944003][ T73] [ 1744.946025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.946025][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.946025][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.946025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.946025][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1744.946025][ T73] ipv6_add_addr+0x411/0x2000 [ 1744.946025][ T73] inet6_addr_add+0x30e/0xa40 [ 1744.946025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.946025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.946025][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.946025][ T73] netlink_unicast+0x449/0x710 [ 1744.946025][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.946025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.946025][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.946025][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.946025][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.946025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.946025][ T73] [ 1744.948045][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.948045][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.948045][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.948045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.948045][ T73] ip6_route_add+0x1c/0x140 [ 1744.948045][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1744.948045][ T73] addrconf_add_dev+0xe2/0x170 [ 1744.948045][ T73] inet6_addr_add+0x12f/0xa40 [ 1744.948045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.948045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.948045][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.948045][ T73] netlink_unicast+0x449/0x710 [ 1744.948045][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.948045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.948045][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.948045][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.948045][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.948045][ T73] [ 1744.950026][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.950026][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1744.950026][ T73] ipv6_find_idev+0x102/0x170 [ 1744.950026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.950026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.950026][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.950026][ T73] netlink_unicast+0x449/0x710 [ 1744.950026][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.950026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.950026][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.950026][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.950026][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.950026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.950026][ T73] [ 1744.951581][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1744.951581][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1744.951581][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1744.951581][ T73] ipv6_find_idev+0x102/0x170 [ 1744.951581][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.951581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.951581][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.951581][ T73] netlink_unicast+0x449/0x710 [ 1744.951581][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.951581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.951581][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.951581][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.951581][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.951581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.951581][ T73] [ 1744.953431][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1744.953702][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.953702][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1744.953702][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1744.953702][ T73] fib6_nh_init+0xa22/0x1580 [ 1744.953702][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.953702][ T73] ip6_route_add+0x1c/0x140 [ 1744.953702][ T73] inet6_rtm_newroute+0x104/0x110 [ 1744.953702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.953702][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.953702][ T73] netlink_unicast+0x449/0x710 [ 1744.953702][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.953702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.953702][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.953702][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.953702][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.953702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.953702][ T73] [ 1744.955891][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.955891][ T73] dst_init+0x84/0x4a0 [ 1744.955891][ T73] dst_alloc+0x97/0x150 [ 1744.955891][ T73] ip6_dst_alloc+0x23/0x90 [ 1744.955891][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1744.955891][ T73] ip6_pol_route+0x56f/0x840 [ 1744.955891][ T73] fib6_rule_lookup+0x456/0x630 [ 1744.955891][ T73] ip6_route_input+0x59c/0xa50 [ 1744.955891][ T73] ipv6_rcv+0x397/0x810 [ 1744.955891][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1744.955891][ T73] process_backlog+0x101/0x620 [ 1744.955891][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1744.955891][ T73] net_rx_action+0x495/0xbe0 [ 1744.955891][ T73] __do_softirq+0x1b5/0x7f6 [ 1744.955891][ T73] [ 1744.957717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.957717][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.957717][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.957717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.957717][ T73] ip6_route_add+0x1c/0x140 [ 1744.957717][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1744.957717][ T73] inet6_addr_add+0x4f8/0xa40 [ 1744.957717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.957717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.957717][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.957717][ T73] netlink_unicast+0x449/0x710 [ 1744.957717][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.957717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.957717][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.957717][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.957717][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.957717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.957717][ T73] [ 1744.959958][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.959958][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.959958][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.959958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.959958][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1744.959958][ T73] ipv6_add_addr+0x411/0x2000 [ 1744.959958][ T73] inet6_addr_add+0x30e/0xa40 [ 1744.959958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.959958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.959958][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.959958][ T73] netlink_unicast+0x449/0x710 [ 1744.959958][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.959958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.959958][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.959958][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.959958][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.959958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.959958][ T73] [ 1744.962228][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.962228][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.962228][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.962228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.962228][ T73] ip6_route_add+0x1c/0x140 [ 1744.962228][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1744.962228][ T73] addrconf_add_dev+0xe2/0x170 [ 1744.962228][ T73] inet6_addr_add+0x12f/0xa40 [ 1744.962228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.962228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.962228][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.962228][ T73] netlink_unicast+0x449/0x710 [ 1744.962228][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.962228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.962228][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.962228][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.962228][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.962228][ T73] [ 1744.964508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.964508][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1744.964508][ T73] ipv6_find_idev+0x102/0x170 [ 1744.964508][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.964508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.964508][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.964508][ T73] netlink_unicast+0x449/0x710 [ 1744.964508][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.964508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.964508][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.964508][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.964508][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.964508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.964508][ T73] [ 1744.966184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1744.966184][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1744.966184][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1744.966184][ T73] ipv6_find_idev+0x102/0x170 [ 1744.966184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.966184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.966184][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.966184][ T73] netlink_unicast+0x449/0x710 [ 1744.966184][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.966184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.966184][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.966184][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.966184][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.966184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.966184][ T73] [ 1744.968126][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1744.968403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1744.968403][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.968403][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.968403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.968403][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1744.968403][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1744.968403][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1744.968403][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1744.968403][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1744.968403][ T73] addrconf_dad_begin+0x310/0x670 [ 1744.968403][ T73] addrconf_dad_work+0x10b/0xab0 [ 1744.968403][ T73] process_one_work+0x84d/0x18a0 [ 1744.968403][ T73] worker_thread+0x587/0xd30 [ 1744.968403][ T73] kthread+0x28a/0x350 [ 1744.968403][ T73] ret_from_fork+0x31/0x70 [ 1744.968403][ T73] ret_from_fork_asm+0x1a/0x30 [ 1744.968403][ T73] [ 1744.970565][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1744.970565][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.970565][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.970565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.970565][ T73] ip6_route_add+0x1c/0x140 [ 1744.970565][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1744.970565][ T73] inet6_addr_add+0x4f8/0xa40 [ 1744.970565][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.970565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.970565][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.970565][ T73] netlink_unicast+0x449/0x710 [ 1744.970565][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.970565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.970565][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.970565][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.970565][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.970565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.970565][ T73] [ 1744.972819][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1744.972819][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.972819][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.972819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.972819][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1744.972819][ T73] ipv6_add_addr+0x411/0x2000 [ 1744.972819][ T73] inet6_addr_add+0x30e/0xa40 [ 1744.972819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.972819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.972819][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.972819][ T73] netlink_unicast+0x449/0x710 [ 1744.972819][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.972819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.972819][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.972819][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.972819][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.972819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.972819][ T73] [ 1744.975077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1744.975077][ T73] netdev_get_by_index+0x5e/0x80 [ 1744.975077][ T73] fib6_nh_init+0x3d8/0x1580 [ 1744.975077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1744.975077][ T73] ip6_route_add+0x1c/0x140 [ 1744.975077][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1744.975077][ T73] addrconf_add_dev+0xe2/0x170 [ 1744.975077][ T73] inet6_addr_add+0x12f/0xa40 [ 1744.975077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.975077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.975077][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.975077][ T73] netlink_unicast+0x449/0x710 [ 1744.975077][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.975077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.975077][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.975077][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.975077][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.975077][ T73] [ 1744.977229][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1744.977229][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1744.977229][ T73] ipv6_find_idev+0x102/0x170 [ 1744.977229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.977229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.977229][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.977229][ T73] netlink_unicast+0x449/0x710 [ 1744.977229][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.977229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.977229][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.977229][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.977229][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.977229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.977229][ T73] [ 1744.979497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1744.979497][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1744.979497][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1744.979497][ T73] ipv6_find_idev+0x102/0x170 [ 1744.979497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.979497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.979497][ T73] netlink_rcv_skb+0x130/0x360 [ 1744.979497][ T73] netlink_unicast+0x449/0x710 [ 1744.979497][ T73] netlink_sendmsg+0x723/0xbe0 [ 1744.979497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1744.979497][ T73] ___sys_sendmsg+0xee/0x170 [ 1744.979497][ T73] __sys_sendmsg+0xcd/0x170 [ 1744.979497][ T73] do_syscall_64+0xc6/0x1e0 [ 1744.979497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.979497][ T73] [ 1755.054921][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1755.055450][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.055450][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1755.055450][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1755.055450][ T73] fib6_nh_init+0xa22/0x1580 [ 1755.055450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.055450][ T73] ip6_route_add+0x1c/0x140 [ 1755.055450][ T73] inet6_rtm_newroute+0x104/0x110 [ 1755.055450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.055450][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.055450][ T73] netlink_unicast+0x449/0x710 [ 1755.055450][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.055450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.055450][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.055450][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.055450][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.055450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.055450][ T73] [ 1755.057564][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.057564][ T73] dst_init+0x84/0x4a0 [ 1755.057564][ T73] dst_alloc+0x97/0x150 [ 1755.057564][ T73] ip6_dst_alloc+0x23/0x90 [ 1755.057564][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1755.057564][ T73] ip6_pol_route+0x56f/0x840 [ 1755.057564][ T73] fib6_rule_lookup+0x456/0x630 [ 1755.057564][ T73] ip6_route_input+0x59c/0xa50 [ 1755.057564][ T73] ipv6_rcv+0x397/0x810 [ 1755.057564][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1755.057564][ T73] process_backlog+0x101/0x620 [ 1755.057564][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1755.057564][ T73] net_rx_action+0x495/0xbe0 [ 1755.057564][ T73] __do_softirq+0x1b5/0x7f6 [ 1755.057564][ T73] [ 1755.059398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.059398][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.059398][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.059398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.059398][ T73] ip6_route_add+0x1c/0x140 [ 1755.059398][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1755.059398][ T73] inet6_addr_add+0x4f8/0xa40 [ 1755.059398][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.059398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.059398][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.059398][ T73] netlink_unicast+0x449/0x710 [ 1755.059398][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.059398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.059398][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.059398][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.059398][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.059398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.059398][ T73] [ 1755.061639][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.061639][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.061639][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.061639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.061639][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1755.061639][ T73] ipv6_add_addr+0x411/0x2000 [ 1755.061639][ T73] inet6_addr_add+0x30e/0xa40 [ 1755.061639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.061639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.061639][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.061639][ T73] netlink_unicast+0x449/0x710 [ 1755.061639][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.061639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.061639][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.061639][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.061639][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.061639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.061639][ T73] [ 1755.063890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.063890][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.063890][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.063890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.063890][ T73] ip6_route_add+0x1c/0x140 [ 1755.063890][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.063890][ T73] addrconf_add_dev+0xe2/0x170 [ 1755.063890][ T73] inet6_addr_add+0x12f/0xa40 [ 1755.063890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.063890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.063890][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.063890][ T73] netlink_unicast+0x449/0x710 [ 1755.063890][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.063890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.063890][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.063890][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.063890][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.063890][ T73] [ 1755.066486][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.066486][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1755.066486][ T73] ipv6_find_idev+0x102/0x170 [ 1755.066486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.066486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.066486][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.066486][ T73] netlink_unicast+0x449/0x710 [ 1755.066486][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.066486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.066486][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.066486][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.066486][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.066486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.066486][ T73] [ 1755.068208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1755.068208][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1755.068208][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1755.068208][ T73] ipv6_find_idev+0x102/0x170 [ 1755.068208][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.068208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.068208][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.068208][ T73] netlink_unicast+0x449/0x710 [ 1755.068208][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.068208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.068208][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.068208][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.068208][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.068208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.068208][ T73] [ 1755.070117][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1755.070419][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.070419][ T73] dst_init+0x84/0x4a0 [ 1755.070419][ T73] dst_alloc+0x97/0x150 [ 1755.070419][ T73] ip6_dst_alloc+0x23/0x90 [ 1755.070419][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1755.070419][ T73] ip6_pol_route+0x56f/0x840 [ 1755.070419][ T73] fib6_rule_lookup+0x456/0x630 [ 1755.070419][ T73] ip6_route_input+0x59c/0xa50 [ 1755.070419][ T73] ipv6_rcv+0x397/0x810 [ 1755.070419][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1755.070419][ T73] process_backlog+0x101/0x620 [ 1755.070419][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1755.070419][ T73] net_rx_action+0x495/0xbe0 [ 1755.070419][ T73] __do_softirq+0x1b5/0x7f6 [ 1755.070419][ T73] [ 1755.072272][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.072272][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.072272][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.072272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.072272][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1755.072272][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1755.072272][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1755.072272][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1755.072272][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1755.072272][ T73] addrconf_dad_begin+0x310/0x670 [ 1755.072272][ T73] addrconf_dad_work+0x10b/0xab0 [ 1755.072272][ T73] process_one_work+0x84d/0x18a0 [ 1755.072272][ T73] worker_thread+0x587/0xd30 [ 1755.072272][ T73] kthread+0x28a/0x350 [ 1755.072272][ T73] ret_from_fork+0x31/0x70 [ 1755.072272][ T73] ret_from_fork_asm+0x1a/0x30 [ 1755.072272][ T73] [ 1755.074410][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.074410][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.074410][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.074410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.074410][ T73] ip6_route_add+0x1c/0x140 [ 1755.074410][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1755.074410][ T73] inet6_addr_add+0x4f8/0xa40 [ 1755.074410][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.074410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.074410][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.074410][ T73] netlink_unicast+0x449/0x710 [ 1755.074410][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.074410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.074410][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.074410][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.074410][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.074410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.074410][ T73] [ 1755.076649][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.076649][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.076649][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.076649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.076649][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1755.076649][ T73] ipv6_add_addr+0x411/0x2000 [ 1755.076649][ T73] inet6_addr_add+0x30e/0xa40 [ 1755.076649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.076649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.076649][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.076649][ T73] netlink_unicast+0x449/0x710 [ 1755.076649][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.076649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.076649][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.076649][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.076649][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.076649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.076649][ T73] [ 1755.078879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.078879][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.078879][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.078879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.078879][ T73] ip6_route_add+0x1c/0x140 [ 1755.078879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.078879][ T73] addrconf_add_dev+0xe2/0x170 [ 1755.078879][ T73] inet6_addr_add+0x12f/0xa40 [ 1755.078879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.078879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.078879][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.078879][ T73] netlink_unicast+0x449/0x710 [ 1755.078879][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.078879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.078879][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.078879][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.078879][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.078879][ T73] [ 1755.081079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.081079][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1755.081079][ T73] ipv6_find_idev+0x102/0x170 [ 1755.081079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.081079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.081079][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.081079][ T73] netlink_unicast+0x449/0x710 [ 1755.081079][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.081079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.081079][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.081079][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.081079][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.081079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.081079][ T73] [ 1755.082804][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1755.082804][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1755.082804][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1755.082804][ T73] ipv6_find_idev+0x102/0x170 [ 1755.082804][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.082804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.082804][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.082804][ T73] netlink_unicast+0x449/0x710 [ 1755.082804][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.082804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.082804][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.082804][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.082804][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.082804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.082804][ T73] [ 1755.084758][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1755.085063][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.085063][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1755.085063][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1755.085063][ T73] fib6_nh_init+0xa22/0x1580 [ 1755.085063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.085063][ T73] ip6_route_add+0x1c/0x140 [ 1755.085063][ T73] inet6_rtm_newroute+0x104/0x110 [ 1755.085063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.085063][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.085063][ T73] netlink_unicast+0x449/0x710 [ 1755.085063][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.085063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.085063][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.085063][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.085063][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.085063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.085063][ T73] [ 1755.087368][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.087368][ T73] dst_init+0x84/0x4a0 [ 1755.087368][ T73] dst_alloc+0x97/0x150 [ 1755.087368][ T73] ip6_dst_alloc+0x23/0x90 [ 1755.087368][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1755.087368][ T73] ip6_pol_route+0x56f/0x840 [ 1755.087368][ T73] fib6_rule_lookup+0x456/0x630 [ 1755.087368][ T73] ip6_route_input+0x59c/0xa50 [ 1755.087368][ T73] ipv6_rcv+0x397/0x810 [ 1755.087368][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1755.087368][ T73] process_backlog+0x101/0x620 [ 1755.087368][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1755.087368][ T73] net_rx_action+0x495/0xbe0 [ 1755.087368][ T73] __do_softirq+0x1b5/0x7f6 [ 1755.087368][ T73] [ 1755.089258][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.089258][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.089258][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.089258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.089258][ T73] ip6_route_add+0x1c/0x140 [ 1755.089258][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1755.089258][ T73] inet6_addr_add+0x4f8/0xa40 [ 1755.089258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.089258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.089258][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.089258][ T73] netlink_unicast+0x449/0x710 [ 1755.089258][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.089258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.089258][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.089258][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.089258][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.089258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.089258][ T73] [ 1755.091627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.091627][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.091627][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.091627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.091627][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1755.091627][ T73] ipv6_add_addr+0x411/0x2000 [ 1755.091627][ T73] inet6_addr_add+0x30e/0xa40 [ 1755.091627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.091627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.091627][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.091627][ T73] netlink_unicast+0x449/0x710 [ 1755.091627][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.091627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.091627][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.091627][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.091627][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.091627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.091627][ T73] [ 1755.094000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.094000][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.094000][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.094000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.094000][ T73] ip6_route_add+0x1c/0x140 [ 1755.094000][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.094000][ T73] addrconf_add_dev+0xe2/0x170 [ 1755.094000][ T73] inet6_addr_add+0x12f/0xa40 [ 1755.094000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.094000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.094000][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.094000][ T73] netlink_unicast+0x449/0x710 [ 1755.094000][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.094000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.094000][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.094000][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.094000][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.094000][ T73] [ 1755.096385][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.096385][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1755.096385][ T73] ipv6_find_idev+0x102/0x170 [ 1755.096385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.096385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.096385][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.096385][ T73] netlink_unicast+0x449/0x710 [ 1755.096385][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.096385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.096385][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.096385][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.096385][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.096385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.096385][ T73] [ 1755.098165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1755.098165][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1755.098165][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1755.098165][ T73] ipv6_find_idev+0x102/0x170 [ 1755.098165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.098165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.098165][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.098165][ T73] netlink_unicast+0x449/0x710 [ 1755.098165][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.098165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.098165][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.098165][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.098165][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.098165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.098165][ T73] [ 1755.100180][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1755.100488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1755.100488][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.100488][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.100488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.100488][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1755.100488][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1755.100488][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1755.100488][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1755.100488][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1755.100488][ T73] addrconf_dad_begin+0x310/0x670 [ 1755.100488][ T73] addrconf_dad_work+0x10b/0xab0 [ 1755.100488][ T73] process_one_work+0x84d/0x18a0 [ 1755.100488][ T73] worker_thread+0x587/0xd30 [ 1755.100488][ T73] kthread+0x28a/0x350 [ 1755.100488][ T73] ret_from_fork+0x31/0x70 [ 1755.100488][ T73] ret_from_fork_asm+0x1a/0x30 [ 1755.100488][ T73] [ 1755.102767][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1755.102767][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.102767][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.102767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.102767][ T73] ip6_route_add+0x1c/0x140 [ 1755.102767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1755.102767][ T73] inet6_addr_add+0x4f8/0xa40 [ 1755.102767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.102767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.102767][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.102767][ T73] netlink_unicast+0x449/0x710 [ 1755.102767][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.102767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.102767][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.102767][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.102767][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.102767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.102767][ T73] [ 1755.105143][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1755.105143][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.105143][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.105143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.105143][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1755.105143][ T73] ipv6_add_addr+0x411/0x2000 [ 1755.105143][ T73] inet6_addr_add+0x30e/0xa40 [ 1755.105143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.105143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.105143][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.105143][ T73] netlink_unicast+0x449/0x710 [ 1755.105143][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.105143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.105143][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.105143][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.105143][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.105143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.105143][ T73] [ 1755.107668][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1755.107668][ T73] netdev_get_by_index+0x5e/0x80 [ 1755.107668][ T73] fib6_nh_init+0x3d8/0x1580 [ 1755.107668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1755.107668][ T73] ip6_route_add+0x1c/0x140 [ 1755.107668][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.107668][ T73] addrconf_add_dev+0xe2/0x170 [ 1755.107668][ T73] inet6_addr_add+0x12f/0xa40 [ 1755.107668][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.107668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.107668][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.107668][ T73] netlink_unicast+0x449/0x710 [ 1755.107668][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.107668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.107668][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.107668][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.107668][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.107668][ T73] [ 1755.110006][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1755.110006][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1755.110006][ T73] ipv6_find_idev+0x102/0x170 [ 1755.110006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.110006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.110006][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.110006][ T73] netlink_unicast+0x449/0x710 [ 1755.110006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.110006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.110006][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.110006][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.110006][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.110006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.110006][ T73] [ 1755.111779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1755.111779][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1755.111779][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1755.111779][ T73] ipv6_find_idev+0x102/0x170 [ 1755.111779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.111779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.111779][ T73] netlink_rcv_skb+0x130/0x360 [ 1755.111779][ T73] netlink_unicast+0x449/0x710 [ 1755.111779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1755.111779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1755.111779][ T73] ___sys_sendmsg+0xee/0x170 [ 1755.111779][ T73] __sys_sendmsg+0xcd/0x170 [ 1755.111779][ T73] do_syscall_64+0xc6/0x1e0 [ 1755.111779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.111779][ T73] [ 1765.367052][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1765.367663][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.367663][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1765.367663][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1765.367663][ T73] fib6_nh_init+0xa22/0x1580 [ 1765.367663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.367663][ T73] ip6_route_add+0x1c/0x140 [ 1765.367663][ T73] inet6_rtm_newroute+0x104/0x110 [ 1765.367663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.367663][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.367663][ T73] netlink_unicast+0x449/0x710 [ 1765.367663][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.367663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.367663][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.367663][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.367663][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.367663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.367663][ T73] [ 1765.369698][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.369698][ T73] dst_init+0x84/0x4a0 [ 1765.369698][ T73] dst_alloc+0x97/0x150 [ 1765.369698][ T73] ip6_dst_alloc+0x23/0x90 [ 1765.369698][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1765.369698][ T73] ip6_pol_route+0x56f/0x840 [ 1765.369698][ T73] fib6_rule_lookup+0x456/0x630 [ 1765.369698][ T73] ip6_route_input+0x59c/0xa50 [ 1765.369698][ T73] ipv6_rcv+0x397/0x810 [ 1765.369698][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1765.369698][ T73] process_backlog+0x101/0x620 [ 1765.369698][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1765.369698][ T73] net_rx_action+0x495/0xbe0 [ 1765.369698][ T73] __do_softirq+0x1b5/0x7f6 [ 1765.369698][ T73] [ 1765.371435][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.371435][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.371435][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.371435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.371435][ T73] ip6_route_add+0x1c/0x140 [ 1765.371435][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1765.371435][ T73] inet6_addr_add+0x4f8/0xa40 [ 1765.371435][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.371435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.371435][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.371435][ T73] netlink_unicast+0x449/0x710 [ 1765.371435][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.371435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.371435][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.371435][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.371435][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.371435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.371435][ T73] [ 1765.374171][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.374171][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.374171][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.374171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.374171][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1765.374171][ T73] ipv6_add_addr+0x411/0x2000 [ 1765.374171][ T73] inet6_addr_add+0x30e/0xa40 [ 1765.374171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.374171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.374171][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.374171][ T73] netlink_unicast+0x449/0x710 [ 1765.374171][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.374171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.374171][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.374171][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.374171][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.374171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.374171][ T73] [ 1765.376678][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.376678][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.376678][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.376678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.376678][ T73] ip6_route_add+0x1c/0x140 [ 1765.376678][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.376678][ T73] addrconf_add_dev+0xe2/0x170 [ 1765.376678][ T73] inet6_addr_add+0x12f/0xa40 [ 1765.376678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.376678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.376678][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.376678][ T73] netlink_unicast+0x449/0x710 [ 1765.376678][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.376678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.376678][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.376678][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.376678][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.376678][ T73] [ 1765.378732][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.378732][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1765.378732][ T73] ipv6_find_idev+0x102/0x170 [ 1765.378732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.378732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.378732][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.378732][ T73] netlink_unicast+0x449/0x710 [ 1765.378732][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.378732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.378732][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.378732][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.378732][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.378732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.378732][ T73] [ 1765.380335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1765.380335][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1765.380335][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1765.380335][ T73] ipv6_find_idev+0x102/0x170 [ 1765.380335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.380335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.380335][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.380335][ T73] netlink_unicast+0x449/0x710 [ 1765.380335][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.380335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.380335][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.380335][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.380335][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.380335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.380335][ T73] [ 1765.382164][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1765.382470][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.382470][ T73] dst_init+0x84/0x4a0 [ 1765.382470][ T73] dst_alloc+0x97/0x150 [ 1765.382470][ T73] ip6_dst_alloc+0x23/0x90 [ 1765.382470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1765.382470][ T73] ip6_pol_route+0x56f/0x840 [ 1765.382470][ T73] fib6_rule_lookup+0x456/0x630 [ 1765.382470][ T73] ip6_route_input+0x59c/0xa50 [ 1765.382470][ T73] ipv6_rcv+0x397/0x810 [ 1765.382470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1765.382470][ T73] process_backlog+0x101/0x620 [ 1765.382470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1765.382470][ T73] net_rx_action+0x495/0xbe0 [ 1765.382470][ T73] __do_softirq+0x1b5/0x7f6 [ 1765.382470][ T73] [ 1765.384187][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.384187][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.384187][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.384187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.384187][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1765.384187][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1765.384187][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1765.384187][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1765.384187][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1765.384187][ T73] addrconf_dad_begin+0x310/0x670 [ 1765.384187][ T73] addrconf_dad_work+0x10b/0xab0 [ 1765.384187][ T73] process_one_work+0x84d/0x18a0 [ 1765.384187][ T73] worker_thread+0x587/0xd30 [ 1765.384187][ T73] kthread+0x28a/0x350 [ 1765.384187][ T73] ret_from_fork+0x31/0x70 [ 1765.384187][ T73] ret_from_fork_asm+0x1a/0x30 [ 1765.384187][ T73] [ 1765.386180][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.386180][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.386180][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.386180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.386180][ T73] ip6_route_add+0x1c/0x140 [ 1765.386180][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1765.386180][ T73] inet6_addr_add+0x4f8/0xa40 [ 1765.386180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.386180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.386180][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.386180][ T73] netlink_unicast+0x449/0x710 [ 1765.386180][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.386180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.386180][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.386180][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.386180][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.386180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.386180][ T73] [ 1765.388270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.388270][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.388270][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.388270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.388270][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1765.388270][ T73] ipv6_add_addr+0x411/0x2000 [ 1765.388270][ T73] inet6_addr_add+0x30e/0xa40 [ 1765.388270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.388270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.388270][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.388270][ T73] netlink_unicast+0x449/0x710 [ 1765.388270][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.388270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.388270][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.388270][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.388270][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.388270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.388270][ T73] [ 1765.390353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.390353][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.390353][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.390353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.390353][ T73] ip6_route_add+0x1c/0x140 [ 1765.390353][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.390353][ T73] addrconf_add_dev+0xe2/0x170 [ 1765.390353][ T73] inet6_addr_add+0x12f/0xa40 [ 1765.390353][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.390353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.390353][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.390353][ T73] netlink_unicast+0x449/0x710 [ 1765.390353][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.390353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.390353][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.390353][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.390353][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.390353][ T73] [ 1765.392417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.392417][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1765.392417][ T73] ipv6_find_idev+0x102/0x170 [ 1765.392417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.392417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.392417][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.392417][ T73] netlink_unicast+0x449/0x710 [ 1765.392417][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.392417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.392417][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.392417][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.392417][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.392417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.392417][ T73] [ 1765.394028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1765.394028][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1765.394028][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1765.394028][ T73] ipv6_find_idev+0x102/0x170 [ 1765.394028][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.394028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.394028][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.394028][ T73] netlink_unicast+0x449/0x710 [ 1765.394028][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.394028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.394028][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.394028][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.394028][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.394028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.394028][ T73] [ 1765.395956][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1765.396236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.396236][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1765.396236][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1765.396236][ T73] fib6_nh_init+0xa22/0x1580 [ 1765.396236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.396236][ T73] ip6_route_add+0x1c/0x140 [ 1765.396236][ T73] inet6_rtm_newroute+0x104/0x110 [ 1765.396236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.396236][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.396236][ T73] netlink_unicast+0x449/0x710 [ 1765.396236][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.396236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.396236][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.396236][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.396236][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.396236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.396236][ T73] [ 1765.398441][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.398441][ T73] dst_init+0x84/0x4a0 [ 1765.398441][ T73] dst_alloc+0x97/0x150 [ 1765.398441][ T73] ip6_dst_alloc+0x23/0x90 [ 1765.398441][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1765.398441][ T73] ip6_pol_route+0x56f/0x840 [ 1765.398441][ T73] fib6_rule_lookup+0x456/0x630 [ 1765.398441][ T73] ip6_route_input+0x59c/0xa50 [ 1765.398441][ T73] ipv6_rcv+0x397/0x810 [ 1765.398441][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1765.398441][ T73] process_backlog+0x101/0x620 [ 1765.398441][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1765.398441][ T73] net_rx_action+0x495/0xbe0 [ 1765.398441][ T73] __do_softirq+0x1b5/0x7f6 [ 1765.398441][ T73] [ 1765.400333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.400333][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.400333][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.400333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.400333][ T73] ip6_route_add+0x1c/0x140 [ 1765.400333][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1765.400333][ T73] inet6_addr_add+0x4f8/0xa40 [ 1765.400333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.400333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.400333][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.400333][ T73] netlink_unicast+0x449/0x710 [ 1765.400333][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.400333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.400333][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.400333][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.400333][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.400333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.400333][ T73] [ 1765.402788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.402788][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.402788][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.402788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.402788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1765.402788][ T73] ipv6_add_addr+0x411/0x2000 [ 1765.402788][ T73] inet6_addr_add+0x30e/0xa40 [ 1765.402788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.402788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.402788][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.402788][ T73] netlink_unicast+0x449/0x710 [ 1765.402788][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.402788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.402788][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.402788][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.402788][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.402788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.402788][ T73] [ 1765.405081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.405081][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.405081][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.405081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.405081][ T73] ip6_route_add+0x1c/0x140 [ 1765.405081][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.405081][ T73] addrconf_add_dev+0xe2/0x170 [ 1765.405081][ T73] inet6_addr_add+0x12f/0xa40 [ 1765.405081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.405081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.405081][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.405081][ T73] netlink_unicast+0x449/0x710 [ 1765.405081][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.405081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.405081][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.405081][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.405081][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.405081][ T73] [ 1765.407377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.407377][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1765.407377][ T73] ipv6_find_idev+0x102/0x170 [ 1765.407377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.407377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.407377][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.407377][ T73] netlink_unicast+0x449/0x710 [ 1765.407377][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.407377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.407377][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.407377][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.407377][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.407377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.407377][ T73] [ 1765.409172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1765.409172][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1765.409172][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1765.409172][ T73] ipv6_find_idev+0x102/0x170 [ 1765.409172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.409172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.409172][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.409172][ T73] netlink_unicast+0x449/0x710 [ 1765.409172][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.409172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.409172][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.409172][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.409172][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.409172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.409172][ T73] [ 1765.411284][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1765.411580][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1765.411580][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.411580][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.411580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.411580][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1765.411580][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1765.411580][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1765.411580][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1765.411580][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1765.411580][ T73] addrconf_dad_begin+0x310/0x670 [ 1765.411580][ T73] addrconf_dad_work+0x10b/0xab0 [ 1765.411580][ T73] process_one_work+0x84d/0x18a0 [ 1765.411580][ T73] worker_thread+0x587/0xd30 [ 1765.411580][ T73] kthread+0x28a/0x350 [ 1765.411580][ T73] ret_from_fork+0x31/0x70 [ 1765.411580][ T73] ret_from_fork_asm+0x1a/0x30 [ 1765.411580][ T73] [ 1765.413832][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1765.413832][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.413832][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.413832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.413832][ T73] ip6_route_add+0x1c/0x140 [ 1765.413832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1765.413832][ T73] inet6_addr_add+0x4f8/0xa40 [ 1765.413832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.413832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.413832][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.413832][ T73] netlink_unicast+0x449/0x710 [ 1765.413832][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.413832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.413832][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.413832][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.413832][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.413832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.413832][ T73] [ 1765.416103][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1765.416103][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.416103][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.416103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.416103][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1765.416103][ T73] ipv6_add_addr+0x411/0x2000 [ 1765.416103][ T73] inet6_addr_add+0x30e/0xa40 [ 1765.416103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.416103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.416103][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.416103][ T73] netlink_unicast+0x449/0x710 [ 1765.416103][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.416103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.416103][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.416103][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.416103][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.416103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.416103][ T73] [ 1765.418426][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1765.418426][ T73] netdev_get_by_index+0x5e/0x80 [ 1765.418426][ T73] fib6_nh_init+0x3d8/0x1580 [ 1765.418426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1765.418426][ T73] ip6_route_add+0x1c/0x140 [ 1765.418426][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.418426][ T73] addrconf_add_dev+0xe2/0x170 [ 1765.418426][ T73] inet6_addr_add+0x12f/0xa40 [ 1765.418426][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.418426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.418426][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.418426][ T73] netlink_unicast+0x449/0x710 [ 1765.418426][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.418426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.418426][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.418426][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.418426][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.418426][ T73] [ 1765.420719][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1765.420719][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1765.420719][ T73] ipv6_find_idev+0x102/0x170 [ 1765.420719][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.420719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.420719][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.420719][ T73] netlink_unicast+0x449/0x710 [ 1765.420719][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.420719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.420719][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.420719][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.420719][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.420719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.420719][ T73] [ 1765.422574][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1765.422574][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1765.422574][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1765.422574][ T73] ipv6_find_idev+0x102/0x170 [ 1765.422574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.422574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.422574][ T73] netlink_rcv_skb+0x130/0x360 [ 1765.422574][ T73] netlink_unicast+0x449/0x710 [ 1765.422574][ T73] netlink_sendmsg+0x723/0xbe0 [ 1765.422574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1765.422574][ T73] ___sys_sendmsg+0xee/0x170 [ 1765.422574][ T73] __sys_sendmsg+0xcd/0x170 [ 1765.422574][ T73] do_syscall_64+0xc6/0x1e0 [ 1765.422574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.422574][ T73] [ 1775.494930][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1775.495390][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.495390][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1775.495390][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1775.495390][ T73] fib6_nh_init+0xa22/0x1580 [ 1775.495390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.495390][ T73] ip6_route_add+0x1c/0x140 [ 1775.495390][ T73] inet6_rtm_newroute+0x104/0x110 [ 1775.495390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.495390][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.495390][ T73] netlink_unicast+0x449/0x710 [ 1775.495390][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.495390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.495390][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.495390][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.495390][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.495390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.495390][ T73] [ 1775.497469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.497469][ T73] dst_init+0x84/0x4a0 [ 1775.497469][ T73] dst_alloc+0x97/0x150 [ 1775.497469][ T73] ip6_dst_alloc+0x23/0x90 [ 1775.497469][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1775.497469][ T73] ip6_pol_route+0x56f/0x840 [ 1775.497469][ T73] fib6_rule_lookup+0x456/0x630 [ 1775.497469][ T73] ip6_route_input+0x59c/0xa50 [ 1775.497469][ T73] ipv6_rcv+0x397/0x810 [ 1775.497469][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1775.497469][ T73] process_backlog+0x101/0x620 [ 1775.497469][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1775.497469][ T73] net_rx_action+0x495/0xbe0 [ 1775.497469][ T73] __do_softirq+0x1b5/0x7f6 [ 1775.497469][ T73] [ 1775.499226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.499226][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.499226][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.499226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.499226][ T73] ip6_route_add+0x1c/0x140 [ 1775.499226][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1775.499226][ T73] inet6_addr_add+0x4f8/0xa40 [ 1775.499226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.499226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.499226][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.499226][ T73] netlink_unicast+0x449/0x710 [ 1775.499226][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.499226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.499226][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.499226][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.499226][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.499226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.499226][ T73] [ 1775.501760][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.501760][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.501760][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.501760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.501760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1775.501760][ T73] ipv6_add_addr+0x411/0x2000 [ 1775.501760][ T73] inet6_addr_add+0x30e/0xa40 [ 1775.501760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.501760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.501760][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.501760][ T73] netlink_unicast+0x449/0x710 [ 1775.501760][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.501760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.501760][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.501760][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.501760][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.501760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.501760][ T73] [ 1775.503823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.503823][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.503823][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.503823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.503823][ T73] ip6_route_add+0x1c/0x140 [ 1775.503823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1775.503823][ T73] addrconf_add_dev+0xe2/0x170 [ 1775.503823][ T73] inet6_addr_add+0x12f/0xa40 [ 1775.503823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.503823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.503823][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.503823][ T73] netlink_unicast+0x449/0x710 [ 1775.503823][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.503823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.503823][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.503823][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.503823][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.503823][ T73] [ 1775.505802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.505802][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1775.505802][ T73] ipv6_find_idev+0x102/0x170 [ 1775.505802][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.505802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.505802][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.505802][ T73] netlink_unicast+0x449/0x710 [ 1775.505802][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.505802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.505802][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.505802][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.505802][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.505802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.505802][ T73] [ 1775.507428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1775.507428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1775.507428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1775.507428][ T73] ipv6_find_idev+0x102/0x170 [ 1775.507428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.507428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.507428][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.507428][ T73] netlink_unicast+0x449/0x710 [ 1775.507428][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.507428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.507428][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.507428][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.507428][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.507428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.507428][ T73] [ 1775.509343][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1775.509641][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.509641][ T73] dst_init+0x84/0x4a0 [ 1775.509641][ T73] dst_alloc+0x97/0x150 [ 1775.509641][ T73] ip6_dst_alloc+0x23/0x90 [ 1775.509641][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1775.509641][ T73] ip6_pol_route+0x56f/0x840 [ 1775.509641][ T73] fib6_rule_lookup+0x456/0x630 [ 1775.509641][ T73] ip6_route_input+0x59c/0xa50 [ 1775.509641][ T73] ipv6_rcv+0x397/0x810 [ 1775.509641][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1775.509641][ T73] process_backlog+0x101/0x620 [ 1775.509641][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1775.509641][ T73] net_rx_action+0x495/0xbe0 [ 1775.509641][ T73] __do_softirq+0x1b5/0x7f6 [ 1775.509641][ T73] [ 1775.511421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.511421][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.511421][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.511421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.511421][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1775.511421][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1775.511421][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1775.511421][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1775.511421][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1775.511421][ T73] addrconf_dad_begin+0x310/0x670 [ 1775.511421][ T73] addrconf_dad_work+0x10b/0xab0 [ 1775.511421][ T73] process_one_work+0x84d/0x18a0 [ 1775.511421][ T73] worker_thread+0x587/0xd30 [ 1775.511421][ T73] kthread+0x28a/0x350 [ 1775.511421][ T73] ret_from_fork+0x31/0x70 [ 1775.511421][ T73] ret_from_fork_asm+0x1a/0x30 [ 1775.511421][ T73] [ 1775.513363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.513363][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.513363][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.513363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.513363][ T73] ip6_route_add+0x1c/0x140 [ 1775.513363][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1775.513363][ T73] inet6_addr_add+0x4f8/0xa40 [ 1775.513363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.513363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.513363][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.513363][ T73] netlink_unicast+0x449/0x710 [ 1775.513363][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.513363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.513363][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.513363][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.513363][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.513363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.513363][ T73] [ 1775.515392][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.515392][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.515392][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.515392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.515392][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1775.515392][ T73] ipv6_add_addr+0x411/0x2000 [ 1775.515392][ T73] inet6_addr_add+0x30e/0xa40 [ 1775.515392][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.515392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.515392][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.515392][ T73] netlink_unicast+0x449/0x710 [ 1775.515392][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.515392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.515392][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.515392][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.515392][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.515392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.515392][ T73] [ 1775.517498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.517498][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.517498][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.517498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.517498][ T73] ip6_route_add+0x1c/0x140 [ 1775.517498][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1775.517498][ T73] addrconf_add_dev+0xe2/0x170 [ 1775.517498][ T73] inet6_addr_add+0x12f/0xa40 [ 1775.517498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.517498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.517498][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.517498][ T73] netlink_unicast+0x449/0x710 [ 1775.517498][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.517498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.517498][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.517498][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.517498][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.517498][ T73] [ 1775.519647][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.519647][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1775.519647][ T73] ipv6_find_idev+0x102/0x170 [ 1775.519647][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.519647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.519647][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.519647][ T73] netlink_unicast+0x449/0x710 [ 1775.519647][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.519647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.519647][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.519647][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.519647][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.519647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.519647][ T73] [ 1775.521285][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1775.521285][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1775.521285][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1775.521285][ T73] ipv6_find_idev+0x102/0x170 [ 1775.521285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.521285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.521285][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.521285][ T73] netlink_unicast+0x449/0x710 [ 1775.521285][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.521285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.521285][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.521285][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.521285][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.521285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.521285][ T73] [ 1775.523283][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1775.523595][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.523595][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1775.523595][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1775.523595][ T73] fib6_nh_init+0xa22/0x1580 [ 1775.523595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.523595][ T73] ip6_route_add+0x1c/0x140 [ 1775.523595][ T73] inet6_rtm_newroute+0x104/0x110 [ 1775.523595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.523595][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.523595][ T73] netlink_unicast+0x449/0x710 [ 1775.523595][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.523595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.523595][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.523595][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.523595][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.523595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.523595][ T73] [ 1775.525934][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.525934][ T73] dst_init+0x84/0x4a0 [ 1775.525934][ T73] dst_alloc+0x97/0x150 [ 1775.525934][ T73] ip6_dst_alloc+0x23/0x90 [ 1775.525934][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1775.525934][ T73] ip6_pol_route+0x56f/0x840 [ 1775.525934][ T73] fib6_rule_lookup+0x456/0x630 [ 1775.525934][ T73] ip6_route_input+0x59c/0xa50 [ 1775.525934][ T73] ipv6_rcv+0x397/0x810 [ 1775.525934][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1775.525934][ T73] process_backlog+0x101/0x620 [ 1775.525934][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1775.525934][ T73] net_rx_action+0x495/0xbe0 [ 1775.525934][ T73] __do_softirq+0x1b5/0x7f6 [ 1775.525934][ T73] [ 1775.527891][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.527891][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.527891][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.527891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.527891][ T73] ip6_route_add+0x1c/0x140 [ 1775.527891][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1775.527891][ T73] inet6_addr_add+0x4f8/0xa40 [ 1775.527891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.527891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.527891][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.527891][ T73] netlink_unicast+0x449/0x710 [ 1775.527891][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.527891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.527891][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.527891][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.527891][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.527891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.527891][ T73] [ 1775.530258][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.530258][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.530258][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.530258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.530258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1775.530258][ T73] ipv6_add_addr+0x411/0x2000 [ 1775.530258][ T73] inet6_addr_add+0x30e/0xa40 [ 1775.530258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.530258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.530258][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.530258][ T73] netlink_unicast+0x449/0x710 [ 1775.530258][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.530258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.530258][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.530258][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.530258][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.530258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.530258][ T73] [ 1775.532458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.532458][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.532458][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.532458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.532458][ T73] ip6_route_add+0x1c/0x140 [ 1775.532458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1775.532458][ T73] addrconf_add_dev+0xe2/0x170 [ 1775.532458][ T73] inet6_addr_add+0x12f/0xa40 [ 1775.532458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.532458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.532458][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.532458][ T73] netlink_unicast+0x449/0x710 [ 1775.532458][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.532458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.532458][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.532458][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.532458][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.532458][ T73] [ 1775.534723][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.534723][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1775.534723][ T73] ipv6_find_idev+0x102/0x170 [ 1775.534723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.534723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.534723][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.534723][ T73] netlink_unicast+0x449/0x710 [ 1775.534723][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.534723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.534723][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.534723][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.534723][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.534723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.534723][ T73] [ 1775.536548][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1775.536548][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1775.536548][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1775.536548][ T73] ipv6_find_idev+0x102/0x170 [ 1775.536548][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.536548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.536548][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.536548][ T73] netlink_unicast+0x449/0x710 [ 1775.536548][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.536548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.536548][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.536548][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.536548][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.536548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.536548][ T73] [ 1775.538699][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1775.539486][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1775.539486][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.539486][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.539486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.539486][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1775.539486][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1775.539486][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1775.539486][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1775.539486][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1775.539486][ T73] addrconf_dad_begin+0x310/0x670 [ 1775.539486][ T73] addrconf_dad_work+0x10b/0xab0 [ 1775.539486][ T73] process_one_work+0x84d/0x18a0 [ 1775.539486][ T73] worker_thread+0x587/0xd30 [ 1775.539486][ T73] kthread+0x28a/0x350 [ 1775.539486][ T73] ret_from_fork+0x31/0x70 [ 1775.539486][ T73] ret_from_fork_asm+0x1a/0x30 [ 1775.539486][ T73] [ 1775.541500][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1775.541500][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.541500][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.541500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.541500][ T73] ip6_route_add+0x1c/0x140 [ 1775.541500][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1775.541500][ T73] inet6_addr_add+0x4f8/0xa40 [ 1775.541500][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.541500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.541500][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.541500][ T73] netlink_unicast+0x449/0x710 [ 1775.541500][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.541500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.541500][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.541500][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.541500][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.541500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.541500][ T73] [ 1775.543683][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1775.543683][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.543683][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.543683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.543683][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1775.543683][ T73] ipv6_add_addr+0x411/0x2000 [ 1775.543683][ T73] inet6_addr_add+0x30e/0xa40 [ 1775.543683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.543683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.543683][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.543683][ T73] netlink_unicast+0x449/0x710 [ 1775.543683][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.543683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.543683][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.543683][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.543683][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.543683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.543683][ T73] [ 1775.546076][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1775.546076][ T73] netdev_get_by_index+0x5e/0x80 [ 1775.546076][ T73] fib6_nh_init+0x3d8/0x1580 [ 1775.546076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1775.546076][ T73] ip6_route_add+0x1c/0x140 [ 1775.546076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1775.546076][ T73] addrconf_add_dev+0xe2/0x170 [ 1775.546076][ T73] inet6_addr_add+0x12f/0xa40 [ 1775.546076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.546076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.546076][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.546076][ T73] netlink_unicast+0x449/0x710 [ 1775.546076][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.546076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.546076][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.546076][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.546076][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.546076][ T73] [ 1775.548502][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1775.548502][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1775.548502][ T73] ipv6_find_idev+0x102/0x170 [ 1775.548502][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.548502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.548502][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.548502][ T73] netlink_unicast+0x449/0x710 [ 1775.548502][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.548502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.548502][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.548502][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.548502][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.548502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.548502][ T73] [ 1775.550381][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1775.550381][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1775.550381][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1775.550381][ T73] ipv6_find_idev+0x102/0x170 [ 1775.550381][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.550381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.550381][ T73] netlink_rcv_skb+0x130/0x360 [ 1775.550381][ T73] netlink_unicast+0x449/0x710 [ 1775.550381][ T73] netlink_sendmsg+0x723/0xbe0 [ 1775.550381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1775.550381][ T73] ___sys_sendmsg+0xee/0x170 [ 1775.550381][ T73] __sys_sendmsg+0xcd/0x170 [ 1775.550381][ T73] do_syscall_64+0xc6/0x1e0 [ 1775.550381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.550381][ T73] [ 1785.790913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1785.791368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.791368][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1785.791368][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1785.791368][ T73] fib6_nh_init+0xa22/0x1580 [ 1785.791368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.791368][ T73] ip6_route_add+0x1c/0x140 [ 1785.791368][ T73] inet6_rtm_newroute+0x104/0x110 [ 1785.791368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.791368][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.791368][ T73] netlink_unicast+0x449/0x710 [ 1785.791368][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.791368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.791368][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.791368][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.791368][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.791368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.791368][ T73] [ 1785.793318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.793318][ T73] dst_init+0x84/0x4a0 [ 1785.793318][ T73] dst_alloc+0x97/0x150 [ 1785.793318][ T73] ip6_dst_alloc+0x23/0x90 [ 1785.793318][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1785.793318][ T73] ip6_pol_route+0x56f/0x840 [ 1785.793318][ T73] fib6_rule_lookup+0x456/0x630 [ 1785.793318][ T73] ip6_route_input+0x59c/0xa50 [ 1785.793318][ T73] ipv6_rcv+0x397/0x810 [ 1785.793318][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1785.793318][ T73] process_backlog+0x101/0x620 [ 1785.793318][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1785.793318][ T73] net_rx_action+0x495/0xbe0 [ 1785.793318][ T73] __do_softirq+0x1b5/0x7f6 [ 1785.793318][ T73] [ 1785.794972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.794972][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.794972][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.794972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.794972][ T73] ip6_route_add+0x1c/0x140 [ 1785.794972][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1785.794972][ T73] inet6_addr_add+0x4f8/0xa40 [ 1785.794972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.794972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.794972][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.794972][ T73] netlink_unicast+0x449/0x710 [ 1785.794972][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.794972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.794972][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.794972][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.794972][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.794972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.794972][ T73] [ 1785.796974][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.796974][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.796974][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.796974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.796974][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1785.796974][ T73] ipv6_add_addr+0x411/0x2000 [ 1785.796974][ T73] inet6_addr_add+0x30e/0xa40 [ 1785.796974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.796974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.796974][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.796974][ T73] netlink_unicast+0x449/0x710 [ 1785.796974][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.796974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.796974][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.796974][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.796974][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.796974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.796974][ T73] [ 1785.798980][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.798980][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.798980][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.798980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.798980][ T73] ip6_route_add+0x1c/0x140 [ 1785.798980][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1785.798980][ T73] addrconf_add_dev+0xe2/0x170 [ 1785.798980][ T73] inet6_addr_add+0x12f/0xa40 [ 1785.798980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.798980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.798980][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.798980][ T73] netlink_unicast+0x449/0x710 [ 1785.798980][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.798980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.798980][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.798980][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.798980][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.798980][ T73] [ 1785.800971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.800971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1785.800971][ T73] ipv6_find_idev+0x102/0x170 [ 1785.800971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.800971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.800971][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.800971][ T73] netlink_unicast+0x449/0x710 [ 1785.800971][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.800971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.800971][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.800971][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.800971][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.800971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.800971][ T73] [ 1785.802527][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1785.802527][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1785.802527][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1785.802527][ T73] ipv6_find_idev+0x102/0x170 [ 1785.802527][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.802527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.802527][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.802527][ T73] netlink_unicast+0x449/0x710 [ 1785.802527][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.802527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.802527][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.802527][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.802527][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.802527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.802527][ T73] [ 1785.804248][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1785.804531][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.804531][ T73] dst_init+0x84/0x4a0 [ 1785.804531][ T73] dst_alloc+0x97/0x150 [ 1785.804531][ T73] ip6_dst_alloc+0x23/0x90 [ 1785.804531][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1785.804531][ T73] ip6_pol_route+0x56f/0x840 [ 1785.804531][ T73] fib6_rule_lookup+0x456/0x630 [ 1785.804531][ T73] ip6_route_input+0x59c/0xa50 [ 1785.804531][ T73] ipv6_rcv+0x397/0x810 [ 1785.804531][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1785.804531][ T73] process_backlog+0x101/0x620 [ 1785.804531][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1785.804531][ T73] net_rx_action+0x495/0xbe0 [ 1785.804531][ T73] __do_softirq+0x1b5/0x7f6 [ 1785.804531][ T73] [ 1785.806179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.806179][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.806179][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.806179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.806179][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1785.806179][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1785.806179][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1785.806179][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1785.806179][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1785.806179][ T73] addrconf_dad_begin+0x310/0x670 [ 1785.806179][ T73] addrconf_dad_work+0x10b/0xab0 [ 1785.806179][ T73] process_one_work+0x84d/0x18a0 [ 1785.806179][ T73] worker_thread+0x587/0xd30 [ 1785.806179][ T73] kthread+0x28a/0x350 [ 1785.806179][ T73] ret_from_fork+0x31/0x70 [ 1785.806179][ T73] ret_from_fork_asm+0x1a/0x30 [ 1785.806179][ T73] [ 1785.808099][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.808099][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.808099][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.808099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.808099][ T73] ip6_route_add+0x1c/0x140 [ 1785.808099][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1785.808099][ T73] inet6_addr_add+0x4f8/0xa40 [ 1785.808099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.808099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.808099][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.808099][ T73] netlink_unicast+0x449/0x710 [ 1785.808099][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.808099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.808099][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.808099][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.808099][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.808099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.808099][ T73] [ 1785.810110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.810110][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.810110][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.810110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.810110][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1785.810110][ T73] ipv6_add_addr+0x411/0x2000 [ 1785.810110][ T73] inet6_addr_add+0x30e/0xa40 [ 1785.810110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.810110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.810110][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.810110][ T73] netlink_unicast+0x449/0x710 [ 1785.810110][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.810110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.810110][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.810110][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.810110][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.810110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.810110][ T73] [ 1785.812122][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.812122][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.812122][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.812122][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.812122][ T73] ip6_route_add+0x1c/0x140 [ 1785.812122][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1785.812122][ T73] addrconf_add_dev+0xe2/0x170 [ 1785.812122][ T73] inet6_addr_add+0x12f/0xa40 [ 1785.812122][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.812122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.812122][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.812122][ T73] netlink_unicast+0x449/0x710 [ 1785.812122][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.812122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.812122][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.812122][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.812122][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.812122][ T73] [ 1785.814146][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.814146][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1785.814146][ T73] ipv6_find_idev+0x102/0x170 [ 1785.814146][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.814146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.814146][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.814146][ T73] netlink_unicast+0x449/0x710 [ 1785.814146][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.814146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.814146][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.814146][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.814146][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.814146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.814146][ T73] [ 1785.815693][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1785.815693][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1785.815693][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1785.815693][ T73] ipv6_find_idev+0x102/0x170 [ 1785.815693][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.815693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.815693][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.815693][ T73] netlink_unicast+0x449/0x710 [ 1785.815693][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.815693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.815693][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.815693][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.815693][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.815693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.815693][ T73] [ 1785.817478][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1785.817749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.817749][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1785.817749][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1785.817749][ T73] fib6_nh_init+0xa22/0x1580 [ 1785.817749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.817749][ T73] ip6_route_add+0x1c/0x140 [ 1785.817749][ T73] inet6_rtm_newroute+0x104/0x110 [ 1785.817749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.817749][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.817749][ T73] netlink_unicast+0x449/0x710 [ 1785.817749][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.817749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.817749][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.817749][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.817749][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.817749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.817749][ T73] [ 1785.819705][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.819705][ T73] dst_init+0x84/0x4a0 [ 1785.819705][ T73] dst_alloc+0x97/0x150 [ 1785.819705][ T73] ip6_dst_alloc+0x23/0x90 [ 1785.819705][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1785.819705][ T73] ip6_pol_route+0x56f/0x840 [ 1785.819705][ T73] fib6_rule_lookup+0x456/0x630 [ 1785.819705][ T73] ip6_route_input+0x59c/0xa50 [ 1785.819705][ T73] ipv6_rcv+0x397/0x810 [ 1785.819705][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1785.819705][ T73] process_backlog+0x101/0x620 [ 1785.819705][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1785.819705][ T73] net_rx_action+0x495/0xbe0 [ 1785.819705][ T73] __do_softirq+0x1b5/0x7f6 [ 1785.819705][ T73] [ 1785.821430][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.821430][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.821430][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.821430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.821430][ T73] ip6_route_add+0x1c/0x140 [ 1785.821430][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1785.821430][ T73] inet6_addr_add+0x4f8/0xa40 [ 1785.821430][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.821430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.821430][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.821430][ T73] netlink_unicast+0x449/0x710 [ 1785.821430][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.821430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.821430][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.821430][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.821430][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.821430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.821430][ T73] [ 1785.823600][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.823600][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.823600][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.823600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.823600][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1785.823600][ T73] ipv6_add_addr+0x411/0x2000 [ 1785.823600][ T73] inet6_addr_add+0x30e/0xa40 [ 1785.823600][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.823600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.823600][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.823600][ T73] netlink_unicast+0x449/0x710 [ 1785.823600][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.823600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.823600][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.823600][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.823600][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.823600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.823600][ T73] [ 1785.825680][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.825680][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.825680][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.825680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.825680][ T73] ip6_route_add+0x1c/0x140 [ 1785.825680][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1785.825680][ T73] addrconf_add_dev+0xe2/0x170 [ 1785.825680][ T73] inet6_addr_add+0x12f/0xa40 [ 1785.825680][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.825680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.825680][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.825680][ T73] netlink_unicast+0x449/0x710 [ 1785.825680][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.825680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.825680][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.825680][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.825680][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.825680][ T73] [ 1785.827791][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.827791][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1785.827791][ T73] ipv6_find_idev+0x102/0x170 [ 1785.827791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.827791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.827791][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.827791][ T73] netlink_unicast+0x449/0x710 [ 1785.827791][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.827791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.827791][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.827791][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.827791][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.827791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.827791][ T73] [ 1785.829333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1785.829333][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1785.829333][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1785.829333][ T73] ipv6_find_idev+0x102/0x170 [ 1785.829333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.829333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.829333][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.829333][ T73] netlink_unicast+0x449/0x710 [ 1785.829333][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.829333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.829333][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.829333][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.829333][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.829333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.829333][ T73] [ 1785.831170][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1785.831446][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1785.831446][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.831446][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.831446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.831446][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1785.831446][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1785.831446][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1785.831446][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1785.831446][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1785.831446][ T73] addrconf_dad_begin+0x310/0x670 [ 1785.831446][ T73] addrconf_dad_work+0x10b/0xab0 [ 1785.831446][ T73] process_one_work+0x84d/0x18a0 [ 1785.831446][ T73] worker_thread+0x587/0xd30 [ 1785.831446][ T73] kthread+0x28a/0x350 [ 1785.831446][ T73] ret_from_fork+0x31/0x70 [ 1785.831446][ T73] ret_from_fork_asm+0x1a/0x30 [ 1785.831446][ T73] [ 1785.833439][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1785.833439][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.833439][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.833439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.833439][ T73] ip6_route_add+0x1c/0x140 [ 1785.833439][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1785.833439][ T73] inet6_addr_add+0x4f8/0xa40 [ 1785.833439][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.833439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.833439][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.833439][ T73] netlink_unicast+0x449/0x710 [ 1785.833439][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.833439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.833439][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.833439][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.833439][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.833439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.833439][ T73] [ 1785.835552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1785.835552][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.835552][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.835552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.835552][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1785.835552][ T73] ipv6_add_addr+0x411/0x2000 [ 1785.835552][ T73] inet6_addr_add+0x30e/0xa40 [ 1785.835552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.835552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.835552][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.835552][ T73] netlink_unicast+0x449/0x710 [ 1785.835552][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.835552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.835552][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.835552][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.835552][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.835552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.835552][ T73] [ 1785.837625][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1785.837625][ T73] netdev_get_by_index+0x5e/0x80 [ 1785.837625][ T73] fib6_nh_init+0x3d8/0x1580 [ 1785.837625][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1785.837625][ T73] ip6_route_add+0x1c/0x140 [ 1785.837625][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1785.837625][ T73] addrconf_add_dev+0xe2/0x170 [ 1785.837625][ T73] inet6_addr_add+0x12f/0xa40 [ 1785.837625][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1785.837625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.837625][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.837625][ T73] netlink_unicast+0x449/0x710 [ 1785.837625][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.837625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.837625][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.837625][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.837625][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.837625][ T73] [ 1785.839664][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1785.839664][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1785.839664][ T73] ipv6_find_idev+0x102/0x170 [ 1785.839664][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.839664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.839664][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.839664][ T73] netlink_unicast+0x449/0x710 [ 1785.839664][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.839664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.839664][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.839664][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.839664][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.839664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.839664][ T73] [ 1785.841277][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1785.841277][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1785.841277][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1785.841277][ T73] ipv6_find_idev+0x102/0x170 [ 1785.841277][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1785.841277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1785.841277][ T73] netlink_rcv_skb+0x130/0x360 [ 1785.841277][ T73] netlink_unicast+0x449/0x710 [ 1785.841277][ T73] netlink_sendmsg+0x723/0xbe0 [ 1785.841277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1785.841277][ T73] ___sys_sendmsg+0xee/0x170 [ 1785.841277][ T73] __sys_sendmsg+0xcd/0x170 [ 1785.841277][ T73] do_syscall_64+0xc6/0x1e0 [ 1785.841277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1785.841277][ T73] [ 1796.078953][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1796.079460][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.079460][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1796.079460][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1796.079460][ T73] fib6_nh_init+0xa22/0x1580 [ 1796.079460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.079460][ T73] ip6_route_add+0x1c/0x140 [ 1796.079460][ T73] inet6_rtm_newroute+0x104/0x110 [ 1796.079460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.079460][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.079460][ T73] netlink_unicast+0x449/0x710 [ 1796.079460][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.079460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.079460][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.079460][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.079460][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.079460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.079460][ T73] [ 1796.081381][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.081381][ T73] dst_init+0x84/0x4a0 [ 1796.081381][ T73] dst_alloc+0x97/0x150 [ 1796.081381][ T73] ip6_dst_alloc+0x23/0x90 [ 1796.081381][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1796.081381][ T73] ip6_pol_route+0x56f/0x840 [ 1796.081381][ T73] fib6_rule_lookup+0x456/0x630 [ 1796.081381][ T73] ip6_route_input+0x59c/0xa50 [ 1796.081381][ T73] ipv6_rcv+0x397/0x810 [ 1796.081381][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1796.081381][ T73] process_backlog+0x101/0x620 [ 1796.081381][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1796.081381][ T73] net_rx_action+0x495/0xbe0 [ 1796.081381][ T73] __do_softirq+0x1b5/0x7f6 [ 1796.081381][ T73] [ 1796.083059][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.083059][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.083059][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.083059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.083059][ T73] ip6_route_add+0x1c/0x140 [ 1796.083059][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1796.083059][ T73] inet6_addr_add+0x4f8/0xa40 [ 1796.083059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.083059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.083059][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.083059][ T73] netlink_unicast+0x449/0x710 [ 1796.083059][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.083059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.083059][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.083059][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.083059][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.083059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.083059][ T73] [ 1796.085090][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.085090][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.085090][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.085090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.085090][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1796.085090][ T73] ipv6_add_addr+0x411/0x2000 [ 1796.085090][ T73] inet6_addr_add+0x30e/0xa40 [ 1796.085090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.085090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.085090][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.085090][ T73] netlink_unicast+0x449/0x710 [ 1796.085090][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.085090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.085090][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.085090][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.085090][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.085090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.085090][ T73] [ 1796.087115][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.087115][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.087115][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.087115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.087115][ T73] ip6_route_add+0x1c/0x140 [ 1796.087115][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1796.087115][ T73] addrconf_add_dev+0xe2/0x170 [ 1796.087115][ T73] inet6_addr_add+0x12f/0xa40 [ 1796.087115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.087115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.087115][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.087115][ T73] netlink_unicast+0x449/0x710 [ 1796.087115][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.087115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.087115][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.087115][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.087115][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.087115][ T73] [ 1796.089092][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.089092][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1796.089092][ T73] ipv6_find_idev+0x102/0x170 [ 1796.089092][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.089092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.089092][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.089092][ T73] netlink_unicast+0x449/0x710 [ 1796.089092][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.089092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.089092][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.089092][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.089092][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.089092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.089092][ T73] [ 1796.090641][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1796.090641][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1796.090641][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1796.090641][ T73] ipv6_find_idev+0x102/0x170 [ 1796.090641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.090641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.090641][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.090641][ T73] netlink_unicast+0x449/0x710 [ 1796.090641][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.090641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.090641][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.090641][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.090641][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.090641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.090641][ T73] [ 1796.092373][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1796.092660][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.092660][ T73] dst_init+0x84/0x4a0 [ 1796.092660][ T73] dst_alloc+0x97/0x150 [ 1796.092660][ T73] ip6_dst_alloc+0x23/0x90 [ 1796.092660][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1796.092660][ T73] ip6_pol_route+0x56f/0x840 [ 1796.092660][ T73] fib6_rule_lookup+0x456/0x630 [ 1796.092660][ T73] ip6_route_input+0x59c/0xa50 [ 1796.092660][ T73] ipv6_rcv+0x397/0x810 [ 1796.092660][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1796.092660][ T73] process_backlog+0x101/0x620 [ 1796.092660][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1796.092660][ T73] net_rx_action+0x495/0xbe0 [ 1796.092660][ T73] __do_softirq+0x1b5/0x7f6 [ 1796.092660][ T73] [ 1796.094309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.094309][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.094309][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.094309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.094309][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1796.094309][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1796.094309][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1796.094309][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1796.094309][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1796.094309][ T73] addrconf_dad_begin+0x310/0x670 [ 1796.094309][ T73] addrconf_dad_work+0x10b/0xab0 [ 1796.094309][ T73] process_one_work+0x84d/0x18a0 [ 1796.094309][ T73] worker_thread+0x587/0xd30 [ 1796.094309][ T73] kthread+0x28a/0x350 [ 1796.094309][ T73] ret_from_fork+0x31/0x70 [ 1796.094309][ T73] ret_from_fork_asm+0x1a/0x30 [ 1796.094309][ T73] [ 1796.096218][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.096218][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.096218][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.096218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.096218][ T73] ip6_route_add+0x1c/0x140 [ 1796.096218][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1796.096218][ T73] inet6_addr_add+0x4f8/0xa40 [ 1796.096218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.096218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.096218][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.096218][ T73] netlink_unicast+0x449/0x710 [ 1796.096218][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.096218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.096218][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.096218][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.096218][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.096218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.096218][ T73] [ 1796.098223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.098223][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.098223][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.098223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.098223][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1796.098223][ T73] ipv6_add_addr+0x411/0x2000 [ 1796.098223][ T73] inet6_addr_add+0x30e/0xa40 [ 1796.098223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.098223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.098223][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.098223][ T73] netlink_unicast+0x449/0x710 [ 1796.098223][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.098223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.098223][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.098223][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.098223][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.098223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.098223][ T73] [ 1796.100227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.100227][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.100227][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.100227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.100227][ T73] ip6_route_add+0x1c/0x140 [ 1796.100227][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1796.100227][ T73] addrconf_add_dev+0xe2/0x170 [ 1796.100227][ T73] inet6_addr_add+0x12f/0xa40 [ 1796.100227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.100227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.100227][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.100227][ T73] netlink_unicast+0x449/0x710 [ 1796.100227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.100227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.100227][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.100227][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.100227][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.100227][ T73] [ 1796.102205][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.102205][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1796.102205][ T73] ipv6_find_idev+0x102/0x170 [ 1796.102205][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.102205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.102205][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.102205][ T73] netlink_unicast+0x449/0x710 [ 1796.102205][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.102205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.102205][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.102205][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.102205][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.102205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.102205][ T73] [ 1796.103745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1796.103745][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1796.103745][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1796.103745][ T73] ipv6_find_idev+0x102/0x170 [ 1796.103745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.103745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.103745][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.103745][ T73] netlink_unicast+0x449/0x710 [ 1796.103745][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.103745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.103745][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.103745][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.103745][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.103745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.103745][ T73] [ 1796.105566][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1796.105846][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.105846][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1796.105846][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1796.105846][ T73] fib6_nh_init+0xa22/0x1580 [ 1796.105846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.105846][ T73] ip6_route_add+0x1c/0x140 [ 1796.105846][ T73] inet6_rtm_newroute+0x104/0x110 [ 1796.105846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.105846][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.105846][ T73] netlink_unicast+0x449/0x710 [ 1796.105846][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.105846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.105846][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.105846][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.105846][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.105846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.105846][ T73] [ 1796.107971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.107971][ T73] dst_init+0x84/0x4a0 [ 1796.107971][ T73] dst_alloc+0x97/0x150 [ 1796.107971][ T73] ip6_dst_alloc+0x23/0x90 [ 1796.107971][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1796.107971][ T73] ip6_pol_route+0x56f/0x840 [ 1796.107971][ T73] fib6_rule_lookup+0x456/0x630 [ 1796.107971][ T73] ip6_route_input+0x59c/0xa50 [ 1796.107971][ T73] ipv6_rcv+0x397/0x810 [ 1796.107971][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1796.107971][ T73] process_backlog+0x101/0x620 [ 1796.107971][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1796.107971][ T73] net_rx_action+0x495/0xbe0 [ 1796.107971][ T73] __do_softirq+0x1b5/0x7f6 [ 1796.107971][ T73] [ 1796.109912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.109912][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.109912][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.109912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.109912][ T73] ip6_route_add+0x1c/0x140 [ 1796.109912][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1796.109912][ T73] inet6_addr_add+0x4f8/0xa40 [ 1796.109912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.109912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.109912][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.109912][ T73] netlink_unicast+0x449/0x710 [ 1796.109912][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.109912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.109912][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.109912][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.109912][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.109912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.109912][ T73] [ 1796.112232][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.112232][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.112232][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.112232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.112232][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1796.112232][ T73] ipv6_add_addr+0x411/0x2000 [ 1796.112232][ T73] inet6_addr_add+0x30e/0xa40 [ 1796.112232][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.112232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.112232][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.112232][ T73] netlink_unicast+0x449/0x710 [ 1796.112232][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.112232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.112232][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.112232][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.112232][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.112232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.112232][ T73] [ 1796.114487][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.114487][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.114487][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.114487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.114487][ T73] ip6_route_add+0x1c/0x140 [ 1796.114487][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1796.114487][ T73] addrconf_add_dev+0xe2/0x170 [ 1796.114487][ T73] inet6_addr_add+0x12f/0xa40 [ 1796.114487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.114487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.114487][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.114487][ T73] netlink_unicast+0x449/0x710 [ 1796.114487][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.114487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.114487][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.114487][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.114487][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.114487][ T73] [ 1796.116698][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.116698][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1796.116698][ T73] ipv6_find_idev+0x102/0x170 [ 1796.116698][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.116698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.116698][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.116698][ T73] netlink_unicast+0x449/0x710 [ 1796.116698][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.116698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.116698][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.116698][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.116698][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.116698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.116698][ T73] [ 1796.118364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1796.118364][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1796.118364][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1796.118364][ T73] ipv6_find_idev+0x102/0x170 [ 1796.118364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.118364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.118364][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.118364][ T73] netlink_unicast+0x449/0x710 [ 1796.118364][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.118364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.118364][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.118364][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.118364][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.118364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.118364][ T73] [ 1796.120373][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1796.120658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1796.120658][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.120658][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.120658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.120658][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1796.120658][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1796.120658][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1796.120658][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1796.120658][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1796.120658][ T73] addrconf_dad_begin+0x310/0x670 [ 1796.120658][ T73] addrconf_dad_work+0x10b/0xab0 [ 1796.120658][ T73] process_one_work+0x84d/0x18a0 [ 1796.120658][ T73] worker_thread+0x587/0xd30 [ 1796.120658][ T73] kthread+0x28a/0x350 [ 1796.120658][ T73] ret_from_fork+0x31/0x70 [ 1796.120658][ T73] ret_from_fork_asm+0x1a/0x30 [ 1796.120658][ T73] [ 1796.122823][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1796.122823][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.122823][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.122823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.122823][ T73] ip6_route_add+0x1c/0x140 [ 1796.122823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1796.122823][ T73] inet6_addr_add+0x4f8/0xa40 [ 1796.122823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.122823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.122823][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.122823][ T73] netlink_unicast+0x449/0x710 [ 1796.122823][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.122823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.122823][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.122823][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.122823][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.122823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.122823][ T73] [ 1796.125068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1796.125068][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.125068][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.125068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.125068][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1796.125068][ T73] ipv6_add_addr+0x411/0x2000 [ 1796.125068][ T73] inet6_addr_add+0x30e/0xa40 [ 1796.125068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.125068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.125068][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.125068][ T73] netlink_unicast+0x449/0x710 [ 1796.125068][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.125068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.125068][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.125068][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.125068][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.125068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.125068][ T73] [ 1796.127253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1796.127253][ T73] netdev_get_by_index+0x5e/0x80 [ 1796.127253][ T73] fib6_nh_init+0x3d8/0x1580 [ 1796.127253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1796.127253][ T73] ip6_route_add+0x1c/0x140 [ 1796.127253][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1796.127253][ T73] addrconf_add_dev+0xe2/0x170 [ 1796.127253][ T73] inet6_addr_add+0x12f/0xa40 [ 1796.127253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.127253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.127253][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.127253][ T73] netlink_unicast+0x449/0x710 [ 1796.127253][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.127253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.127253][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.127253][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.127253][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.127253][ T73] [ 1796.129469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1796.129469][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1796.129469][ T73] ipv6_find_idev+0x102/0x170 [ 1796.129469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.129469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.129469][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.129469][ T73] netlink_unicast+0x449/0x710 [ 1796.129469][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.129469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.129469][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.129469][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.129469][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.129469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.129469][ T73] [ 1796.131253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1796.131253][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1796.131253][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1796.131253][ T73] ipv6_find_idev+0x102/0x170 [ 1796.131253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.131253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.131253][ T73] netlink_rcv_skb+0x130/0x360 [ 1796.131253][ T73] netlink_unicast+0x449/0x710 [ 1796.131253][ T73] netlink_sendmsg+0x723/0xbe0 [ 1796.131253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1796.131253][ T73] ___sys_sendmsg+0xee/0x170 [ 1796.131253][ T73] __sys_sendmsg+0xcd/0x170 [ 1796.131253][ T73] do_syscall_64+0xc6/0x1e0 [ 1796.131253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.131253][ T73] [ 1806.374959][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1806.375477][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.375477][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1806.375477][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1806.375477][ T73] fib6_nh_init+0xa22/0x1580 [ 1806.375477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.375477][ T73] ip6_route_add+0x1c/0x140 [ 1806.375477][ T73] inet6_rtm_newroute+0x104/0x110 [ 1806.375477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.375477][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.375477][ T73] netlink_unicast+0x449/0x710 [ 1806.375477][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.375477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.375477][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.375477][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.375477][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.375477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.375477][ T73] [ 1806.377413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.377413][ T73] dst_init+0x84/0x4a0 [ 1806.377413][ T73] dst_alloc+0x97/0x150 [ 1806.377413][ T73] ip6_dst_alloc+0x23/0x90 [ 1806.377413][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1806.377413][ T73] ip6_pol_route+0x56f/0x840 [ 1806.377413][ T73] fib6_rule_lookup+0x456/0x630 [ 1806.377413][ T73] ip6_route_input+0x59c/0xa50 [ 1806.377413][ T73] ipv6_rcv+0x397/0x810 [ 1806.377413][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1806.377413][ T73] process_backlog+0x101/0x620 [ 1806.377413][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1806.377413][ T73] net_rx_action+0x495/0xbe0 [ 1806.377413][ T73] __do_softirq+0x1b5/0x7f6 [ 1806.377413][ T73] [ 1806.379069][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.379069][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.379069][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.379069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.379069][ T73] ip6_route_add+0x1c/0x140 [ 1806.379069][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1806.379069][ T73] inet6_addr_add+0x4f8/0xa40 [ 1806.379069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.379069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.379069][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.379069][ T73] netlink_unicast+0x449/0x710 [ 1806.379069][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.379069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.379069][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.379069][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.379069][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.379069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.379069][ T73] [ 1806.381081][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.381081][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.381081][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.381081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.381081][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1806.381081][ T73] ipv6_add_addr+0x411/0x2000 [ 1806.381081][ T73] inet6_addr_add+0x30e/0xa40 [ 1806.381081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.381081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.381081][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.381081][ T73] netlink_unicast+0x449/0x710 [ 1806.381081][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.381081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.381081][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.381081][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.381081][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.381081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.381081][ T73] [ 1806.383110][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.383110][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.383110][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.383110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.383110][ T73] ip6_route_add+0x1c/0x140 [ 1806.383110][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1806.383110][ T73] addrconf_add_dev+0xe2/0x170 [ 1806.383110][ T73] inet6_addr_add+0x12f/0xa40 [ 1806.383110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.383110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.383110][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.383110][ T73] netlink_unicast+0x449/0x710 [ 1806.383110][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.383110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.383110][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.383110][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.383110][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.383110][ T73] [ 1806.385085][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.385085][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1806.385085][ T73] ipv6_find_idev+0x102/0x170 [ 1806.385085][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.385085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.385085][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.385085][ T73] netlink_unicast+0x449/0x710 [ 1806.385085][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.385085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.385085][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.385085][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.385085][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.385085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.385085][ T73] [ 1806.386632][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1806.386632][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1806.386632][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1806.386632][ T73] ipv6_find_idev+0x102/0x170 [ 1806.386632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.386632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.386632][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.386632][ T73] netlink_unicast+0x449/0x710 [ 1806.386632][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.386632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.386632][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.386632][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.386632][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.386632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.386632][ T73] [ 1806.388359][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1806.388642][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.388642][ T73] dst_init+0x84/0x4a0 [ 1806.388642][ T73] dst_alloc+0x97/0x150 [ 1806.388642][ T73] ip6_dst_alloc+0x23/0x90 [ 1806.388642][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1806.388642][ T73] ip6_pol_route+0x56f/0x840 [ 1806.388642][ T73] fib6_rule_lookup+0x456/0x630 [ 1806.388642][ T73] ip6_route_input+0x59c/0xa50 [ 1806.388642][ T73] ipv6_rcv+0x397/0x810 [ 1806.388642][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1806.388642][ T73] process_backlog+0x101/0x620 [ 1806.388642][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1806.388642][ T73] net_rx_action+0x495/0xbe0 [ 1806.388642][ T73] __do_softirq+0x1b5/0x7f6 [ 1806.388642][ T73] [ 1806.390295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.390295][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.390295][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.390295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.390295][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1806.390295][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1806.390295][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1806.390295][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1806.390295][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1806.390295][ T73] addrconf_dad_begin+0x310/0x670 [ 1806.390295][ T73] addrconf_dad_work+0x10b/0xab0 [ 1806.390295][ T73] process_one_work+0x84d/0x18a0 [ 1806.390295][ T73] worker_thread+0x587/0xd30 [ 1806.390295][ T73] kthread+0x28a/0x350 [ 1806.390295][ T73] ret_from_fork+0x31/0x70 [ 1806.390295][ T73] ret_from_fork_asm+0x1a/0x30 [ 1806.390295][ T73] [ 1806.392227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.392227][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.392227][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.392227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.392227][ T73] ip6_route_add+0x1c/0x140 [ 1806.392227][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1806.392227][ T73] inet6_addr_add+0x4f8/0xa40 [ 1806.392227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.392227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.392227][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.392227][ T73] netlink_unicast+0x449/0x710 [ 1806.392227][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.392227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.392227][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.392227][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.392227][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.392227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.392227][ T73] [ 1806.394231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.394231][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.394231][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.394231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.394231][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1806.394231][ T73] ipv6_add_addr+0x411/0x2000 [ 1806.394231][ T73] inet6_addr_add+0x30e/0xa40 [ 1806.394231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.394231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.394231][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.394231][ T73] netlink_unicast+0x449/0x710 [ 1806.394231][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.394231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.394231][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.394231][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.394231][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.394231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.394231][ T73] [ 1806.396245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.396245][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.396245][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.396245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.396245][ T73] ip6_route_add+0x1c/0x140 [ 1806.396245][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1806.396245][ T73] addrconf_add_dev+0xe2/0x170 [ 1806.396245][ T73] inet6_addr_add+0x12f/0xa40 [ 1806.396245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.396245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.396245][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.396245][ T73] netlink_unicast+0x449/0x710 [ 1806.396245][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.396245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.396245][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.396245][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.396245][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.396245][ T73] [ 1806.398220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.398220][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1806.398220][ T73] ipv6_find_idev+0x102/0x170 [ 1806.398220][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.398220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.398220][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.398220][ T73] netlink_unicast+0x449/0x710 [ 1806.398220][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.398220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.398220][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.398220][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.398220][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.398220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.398220][ T73] [ 1806.399771][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1806.399771][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1806.399771][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1806.399771][ T73] ipv6_find_idev+0x102/0x170 [ 1806.399771][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.399771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.399771][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.399771][ T73] netlink_unicast+0x449/0x710 [ 1806.399771][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.399771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.399771][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.399771][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.399771][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.399771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.399771][ T73] [ 1806.401615][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1806.401900][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.401900][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1806.401900][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1806.401900][ T73] fib6_nh_init+0xa22/0x1580 [ 1806.401900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.401900][ T73] ip6_route_add+0x1c/0x140 [ 1806.401900][ T73] inet6_rtm_newroute+0x104/0x110 [ 1806.401900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.401900][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.401900][ T73] netlink_unicast+0x449/0x710 [ 1806.401900][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.401900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.401900][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.401900][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.401900][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.401900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.401900][ T73] [ 1806.404032][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.404032][ T73] dst_init+0x84/0x4a0 [ 1806.404032][ T73] dst_alloc+0x97/0x150 [ 1806.404032][ T73] ip6_dst_alloc+0x23/0x90 [ 1806.404032][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1806.404032][ T73] ip6_pol_route+0x56f/0x840 [ 1806.404032][ T73] fib6_rule_lookup+0x456/0x630 [ 1806.404032][ T73] ip6_route_input+0x59c/0xa50 [ 1806.404032][ T73] ipv6_rcv+0x397/0x810 [ 1806.404032][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1806.404032][ T73] process_backlog+0x101/0x620 [ 1806.404032][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1806.404032][ T73] net_rx_action+0x495/0xbe0 [ 1806.404032][ T73] __do_softirq+0x1b5/0x7f6 [ 1806.404032][ T73] [ 1806.405855][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.405855][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.405855][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.405855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.405855][ T73] ip6_route_add+0x1c/0x140 [ 1806.405855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1806.405855][ T73] inet6_addr_add+0x4f8/0xa40 [ 1806.405855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.405855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.405855][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.405855][ T73] netlink_unicast+0x449/0x710 [ 1806.405855][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.405855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.405855][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.405855][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.405855][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.405855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.405855][ T73] [ 1806.408115][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.408115][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.408115][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.408115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.408115][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1806.408115][ T73] ipv6_add_addr+0x411/0x2000 [ 1806.408115][ T73] inet6_addr_add+0x30e/0xa40 [ 1806.408115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.408115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.408115][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.408115][ T73] netlink_unicast+0x449/0x710 [ 1806.408115][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.408115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.408115][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.408115][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.408115][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.408115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.408115][ T73] [ 1806.410364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.410364][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.410364][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.410364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.410364][ T73] ip6_route_add+0x1c/0x140 [ 1806.410364][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1806.410364][ T73] addrconf_add_dev+0xe2/0x170 [ 1806.410364][ T73] inet6_addr_add+0x12f/0xa40 [ 1806.410364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.410364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.410364][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.410364][ T73] netlink_unicast+0x449/0x710 [ 1806.410364][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.410364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.410364][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.410364][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.410364][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.410364][ T73] [ 1806.412650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.412650][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1806.412650][ T73] ipv6_find_idev+0x102/0x170 [ 1806.412650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.412650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.412650][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.412650][ T73] netlink_unicast+0x449/0x710 [ 1806.412650][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.412650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.412650][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.412650][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.412650][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.412650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.412650][ T73] [ 1806.414311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1806.414311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1806.414311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1806.414311][ T73] ipv6_find_idev+0x102/0x170 [ 1806.414311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.414311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.414311][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.414311][ T73] netlink_unicast+0x449/0x710 [ 1806.414311][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.414311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.414311][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.414311][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.414311][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.414311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.414311][ T73] [ 1806.416248][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1806.416523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1806.416523][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.416523][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.416523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.416523][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1806.416523][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1806.416523][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1806.416523][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1806.416523][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1806.416523][ T73] addrconf_dad_begin+0x310/0x670 [ 1806.416523][ T73] addrconf_dad_work+0x10b/0xab0 [ 1806.416523][ T73] process_one_work+0x84d/0x18a0 [ 1806.416523][ T73] worker_thread+0x587/0xd30 [ 1806.416523][ T73] kthread+0x28a/0x350 [ 1806.416523][ T73] ret_from_fork+0x31/0x70 [ 1806.416523][ T73] ret_from_fork_asm+0x1a/0x30 [ 1806.416523][ T73] [ 1806.419218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1806.419218][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.419218][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.419218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.419218][ T73] ip6_route_add+0x1c/0x140 [ 1806.419218][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1806.419218][ T73] inet6_addr_add+0x4f8/0xa40 [ 1806.419218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.419218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.419218][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.419218][ T73] netlink_unicast+0x449/0x710 [ 1806.419218][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.419218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.419218][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.419218][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.419218][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.419218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.419218][ T73] [ 1806.421523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1806.421523][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.421523][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.421523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.421523][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1806.421523][ T73] ipv6_add_addr+0x411/0x2000 [ 1806.421523][ T73] inet6_addr_add+0x30e/0xa40 [ 1806.421523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.421523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.421523][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.421523][ T73] netlink_unicast+0x449/0x710 [ 1806.421523][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.421523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.421523][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.421523][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.421523][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.421523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.421523][ T73] [ 1806.423715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1806.423715][ T73] netdev_get_by_index+0x5e/0x80 [ 1806.423715][ T73] fib6_nh_init+0x3d8/0x1580 [ 1806.423715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1806.423715][ T73] ip6_route_add+0x1c/0x140 [ 1806.423715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1806.423715][ T73] addrconf_add_dev+0xe2/0x170 [ 1806.423715][ T73] inet6_addr_add+0x12f/0xa40 [ 1806.423715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1806.423715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.423715][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.423715][ T73] netlink_unicast+0x449/0x710 [ 1806.423715][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.423715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.423715][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.423715][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.423715][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.423715][ T73] [ 1806.425931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1806.425931][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1806.425931][ T73] ipv6_find_idev+0x102/0x170 [ 1806.425931][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.425931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.425931][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.425931][ T73] netlink_unicast+0x449/0x710 [ 1806.425931][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.425931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.425931][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.425931][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.425931][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.425931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.425931][ T73] [ 1806.427652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1806.427652][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1806.427652][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1806.427652][ T73] ipv6_find_idev+0x102/0x170 [ 1806.427652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1806.427652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1806.427652][ T73] netlink_rcv_skb+0x130/0x360 [ 1806.427652][ T73] netlink_unicast+0x449/0x710 [ 1806.427652][ T73] netlink_sendmsg+0x723/0xbe0 [ 1806.427652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1806.427652][ T73] ___sys_sendmsg+0xee/0x170 [ 1806.427652][ T73] __sys_sendmsg+0xcd/0x170 [ 1806.427652][ T73] do_syscall_64+0xc6/0x1e0 [ 1806.427652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1806.427652][ T73] [ 1816.670886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1816.671399][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.671399][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1816.671399][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1816.671399][ T73] fib6_nh_init+0xa22/0x1580 [ 1816.671399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.671399][ T73] ip6_route_add+0x1c/0x140 [ 1816.671399][ T73] inet6_rtm_newroute+0x104/0x110 [ 1816.671399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.671399][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.671399][ T73] netlink_unicast+0x449/0x710 [ 1816.671399][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.671399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.671399][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.671399][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.671399][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.671399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.671399][ T73] [ 1816.673724][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.673724][ T73] dst_init+0x84/0x4a0 [ 1816.673724][ T73] dst_alloc+0x97/0x150 [ 1816.673724][ T73] ip6_dst_alloc+0x23/0x90 [ 1816.673724][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1816.673724][ T73] ip6_pol_route+0x56f/0x840 [ 1816.673724][ T73] fib6_rule_lookup+0x456/0x630 [ 1816.673724][ T73] ip6_route_input+0x59c/0xa50 [ 1816.673724][ T73] ipv6_rcv+0x397/0x810 [ 1816.673724][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1816.673724][ T73] process_backlog+0x101/0x620 [ 1816.673724][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1816.673724][ T73] net_rx_action+0x495/0xbe0 [ 1816.673724][ T73] __do_softirq+0x1b5/0x7f6 [ 1816.673724][ T73] [ 1816.675387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.675387][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.675387][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.675387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.675387][ T73] ip6_route_add+0x1c/0x140 [ 1816.675387][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1816.675387][ T73] inet6_addr_add+0x4f8/0xa40 [ 1816.675387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.675387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.675387][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.675387][ T73] netlink_unicast+0x449/0x710 [ 1816.675387][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.675387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.675387][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.675387][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.675387][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.675387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.675387][ T73] [ 1816.677422][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.677422][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.677422][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.677422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.677422][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1816.677422][ T73] ipv6_add_addr+0x411/0x2000 [ 1816.677422][ T73] inet6_addr_add+0x30e/0xa40 [ 1816.677422][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.677422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.677422][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.677422][ T73] netlink_unicast+0x449/0x710 [ 1816.677422][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.677422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.677422][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.677422][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.677422][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.677422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.677422][ T73] [ 1816.679483][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.679483][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.679483][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.679483][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.679483][ T73] ip6_route_add+0x1c/0x140 [ 1816.679483][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.679483][ T73] addrconf_add_dev+0xe2/0x170 [ 1816.679483][ T73] inet6_addr_add+0x12f/0xa40 [ 1816.679483][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.679483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.679483][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.679483][ T73] netlink_unicast+0x449/0x710 [ 1816.679483][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.679483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.679483][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.679483][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.679483][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.679483][ T73] [ 1816.681493][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.681493][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1816.681493][ T73] ipv6_find_idev+0x102/0x170 [ 1816.681493][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.681493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.681493][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.681493][ T73] netlink_unicast+0x449/0x710 [ 1816.681493][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.681493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.681493][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.681493][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.681493][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.681493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.681493][ T73] [ 1816.683065][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1816.683065][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1816.683065][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1816.683065][ T73] ipv6_find_idev+0x102/0x170 [ 1816.683065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.683065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.683065][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.683065][ T73] netlink_unicast+0x449/0x710 [ 1816.683065][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.683065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.683065][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.683065][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.683065][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.683065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.683065][ T73] [ 1816.684824][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1816.685116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.685116][ T73] dst_init+0x84/0x4a0 [ 1816.685116][ T73] dst_alloc+0x97/0x150 [ 1816.685116][ T73] ip6_dst_alloc+0x23/0x90 [ 1816.685116][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1816.685116][ T73] ip6_pol_route+0x56f/0x840 [ 1816.685116][ T73] fib6_rule_lookup+0x456/0x630 [ 1816.685116][ T73] ip6_route_input+0x59c/0xa50 [ 1816.685116][ T73] ipv6_rcv+0x397/0x810 [ 1816.685116][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1816.685116][ T73] process_backlog+0x101/0x620 [ 1816.685116][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1816.685116][ T73] net_rx_action+0x495/0xbe0 [ 1816.685116][ T73] __do_softirq+0x1b5/0x7f6 [ 1816.685116][ T73] [ 1816.686811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.686811][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.686811][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.686811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.686811][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1816.686811][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1816.686811][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1816.686811][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1816.686811][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1816.686811][ T73] addrconf_dad_begin+0x310/0x670 [ 1816.686811][ T73] addrconf_dad_work+0x10b/0xab0 [ 1816.686811][ T73] process_one_work+0x84d/0x18a0 [ 1816.686811][ T73] worker_thread+0x587/0xd30 [ 1816.686811][ T73] kthread+0x28a/0x350 [ 1816.686811][ T73] ret_from_fork+0x31/0x70 [ 1816.686811][ T73] ret_from_fork_asm+0x1a/0x30 [ 1816.686811][ T73] [ 1816.688732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.688732][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.688732][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.688732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.688732][ T73] ip6_route_add+0x1c/0x140 [ 1816.688732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1816.688732][ T73] inet6_addr_add+0x4f8/0xa40 [ 1816.688732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.688732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.688732][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.688732][ T73] netlink_unicast+0x449/0x710 [ 1816.688732][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.688732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.688732][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.688732][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.688732][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.688732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.688732][ T73] [ 1816.690944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.690944][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.690944][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.690944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.690944][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1816.690944][ T73] ipv6_add_addr+0x411/0x2000 [ 1816.690944][ T73] inet6_addr_add+0x30e/0xa40 [ 1816.690944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.690944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.690944][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.690944][ T73] netlink_unicast+0x449/0x710 [ 1816.690944][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.690944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.690944][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.690944][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.690944][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.690944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.690944][ T73] [ 1816.693096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.693096][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.693096][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.693096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.693096][ T73] ip6_route_add+0x1c/0x140 [ 1816.693096][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.693096][ T73] addrconf_add_dev+0xe2/0x170 [ 1816.693096][ T73] inet6_addr_add+0x12f/0xa40 [ 1816.693096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.693096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.693096][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.693096][ T73] netlink_unicast+0x449/0x710 [ 1816.693096][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.693096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.693096][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.693096][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.693096][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.693096][ T73] [ 1816.695137][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.695137][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1816.695137][ T73] ipv6_find_idev+0x102/0x170 [ 1816.695137][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.695137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.695137][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.695137][ T73] netlink_unicast+0x449/0x710 [ 1816.695137][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.695137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.695137][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.695137][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.695137][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.695137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.695137][ T73] [ 1816.697087][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1816.697087][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1816.697087][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1816.697087][ T73] ipv6_find_idev+0x102/0x170 [ 1816.697087][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.697087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.697087][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.697087][ T73] netlink_unicast+0x449/0x710 [ 1816.697087][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.697087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.697087][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.697087][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.697087][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.697087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.697087][ T73] [ 1816.699015][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1816.699307][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.699307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1816.699307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1816.699307][ T73] fib6_nh_init+0xa22/0x1580 [ 1816.699307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.699307][ T73] ip6_route_add+0x1c/0x140 [ 1816.699307][ T73] inet6_rtm_newroute+0x104/0x110 [ 1816.699307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.699307][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.699307][ T73] netlink_unicast+0x449/0x710 [ 1816.699307][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.699307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.699307][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.699307][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.699307][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.699307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.699307][ T73] [ 1816.701515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.701515][ T73] dst_init+0x84/0x4a0 [ 1816.701515][ T73] dst_alloc+0x97/0x150 [ 1816.701515][ T73] ip6_dst_alloc+0x23/0x90 [ 1816.701515][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1816.701515][ T73] ip6_pol_route+0x56f/0x840 [ 1816.701515][ T73] fib6_rule_lookup+0x456/0x630 [ 1816.701515][ T73] ip6_route_input+0x59c/0xa50 [ 1816.701515][ T73] ipv6_rcv+0x397/0x810 [ 1816.701515][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1816.701515][ T73] process_backlog+0x101/0x620 [ 1816.701515][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1816.701515][ T73] net_rx_action+0x495/0xbe0 [ 1816.701515][ T73] __do_softirq+0x1b5/0x7f6 [ 1816.701515][ T73] [ 1816.703470][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.703470][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.703470][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.703470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.703470][ T73] ip6_route_add+0x1c/0x140 [ 1816.703470][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1816.703470][ T73] inet6_addr_add+0x4f8/0xa40 [ 1816.703470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.703470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.703470][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.703470][ T73] netlink_unicast+0x449/0x710 [ 1816.703470][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.703470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.703470][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.703470][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.703470][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.703470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.703470][ T73] [ 1816.705739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.705739][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.705739][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.705739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.705739][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1816.705739][ T73] ipv6_add_addr+0x411/0x2000 [ 1816.705739][ T73] inet6_addr_add+0x30e/0xa40 [ 1816.705739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.705739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.705739][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.705739][ T73] netlink_unicast+0x449/0x710 [ 1816.705739][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.705739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.705739][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.705739][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.705739][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.705739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.705739][ T73] [ 1816.708048][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.708048][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.708048][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.708048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.708048][ T73] ip6_route_add+0x1c/0x140 [ 1816.708048][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.708048][ T73] addrconf_add_dev+0xe2/0x170 [ 1816.708048][ T73] inet6_addr_add+0x12f/0xa40 [ 1816.708048][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.708048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.708048][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.708048][ T73] netlink_unicast+0x449/0x710 [ 1816.708048][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.708048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.708048][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.708048][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.708048][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.708048][ T73] [ 1816.710365][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.710365][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1816.710365][ T73] ipv6_find_idev+0x102/0x170 [ 1816.710365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.710365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.710365][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.710365][ T73] netlink_unicast+0x449/0x710 [ 1816.710365][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.710365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.710365][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.710365][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.710365][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.710365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.710365][ T73] [ 1816.712120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1816.712120][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1816.712120][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1816.712120][ T73] ipv6_find_idev+0x102/0x170 [ 1816.712120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.712120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.712120][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.712120][ T73] netlink_unicast+0x449/0x710 [ 1816.712120][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.712120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.712120][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.712120][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.712120][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.712120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.712120][ T73] [ 1816.714258][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1816.714565][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1816.714565][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.714565][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.714565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.714565][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1816.714565][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1816.714565][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1816.714565][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1816.714565][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1816.714565][ T73] addrconf_dad_begin+0x310/0x670 [ 1816.714565][ T73] addrconf_dad_work+0x10b/0xab0 [ 1816.714565][ T73] process_one_work+0x84d/0x18a0 [ 1816.714565][ T73] worker_thread+0x587/0xd30 [ 1816.714565][ T73] kthread+0x28a/0x350 [ 1816.714565][ T73] ret_from_fork+0x31/0x70 [ 1816.714565][ T73] ret_from_fork_asm+0x1a/0x30 [ 1816.714565][ T73] [ 1816.716889][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1816.716889][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.716889][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.716889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.716889][ T73] ip6_route_add+0x1c/0x140 [ 1816.716889][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1816.716889][ T73] inet6_addr_add+0x4f8/0xa40 [ 1816.716889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.716889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.716889][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.716889][ T73] netlink_unicast+0x449/0x710 [ 1816.716889][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.716889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.716889][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.716889][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.716889][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.716889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.716889][ T73] [ 1816.719246][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1816.719246][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.719246][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.719246][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.719246][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1816.719246][ T73] ipv6_add_addr+0x411/0x2000 [ 1816.719246][ T73] inet6_addr_add+0x30e/0xa40 [ 1816.719246][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.719246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.719246][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.719246][ T73] netlink_unicast+0x449/0x710 [ 1816.719246][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.719246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.719246][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.719246][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.719246][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.719246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.719246][ T73] [ 1816.721588][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1816.721588][ T73] netdev_get_by_index+0x5e/0x80 [ 1816.721588][ T73] fib6_nh_init+0x3d8/0x1580 [ 1816.721588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1816.721588][ T73] ip6_route_add+0x1c/0x140 [ 1816.721588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.721588][ T73] addrconf_add_dev+0xe2/0x170 [ 1816.721588][ T73] inet6_addr_add+0x12f/0xa40 [ 1816.721588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.721588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.721588][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.721588][ T73] netlink_unicast+0x449/0x710 [ 1816.721588][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.721588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.721588][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.721588][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.721588][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.721588][ T73] [ 1816.724034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1816.724034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1816.724034][ T73] ipv6_find_idev+0x102/0x170 [ 1816.724034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.724034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.724034][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.724034][ T73] netlink_unicast+0x449/0x710 [ 1816.724034][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.724034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.724034][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.724034][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.724034][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.724034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.724034][ T73] [ 1816.725900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1816.725900][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1816.725900][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1816.725900][ T73] ipv6_find_idev+0x102/0x170 [ 1816.725900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.725900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.725900][ T73] netlink_rcv_skb+0x130/0x360 [ 1816.725900][ T73] netlink_unicast+0x449/0x710 [ 1816.725900][ T73] netlink_sendmsg+0x723/0xbe0 [ 1816.725900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1816.725900][ T73] ___sys_sendmsg+0xee/0x170 [ 1816.725900][ T73] __sys_sendmsg+0xcd/0x170 [ 1816.725900][ T73] do_syscall_64+0xc6/0x1e0 [ 1816.725900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.725900][ T73] [ 1826.966926][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1826.967372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.967372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1826.967372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1826.967372][ T73] fib6_nh_init+0xa22/0x1580 [ 1826.967372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.967372][ T73] ip6_route_add+0x1c/0x140 [ 1826.967372][ T73] inet6_rtm_newroute+0x104/0x110 [ 1826.967372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.967372][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.967372][ T73] netlink_unicast+0x449/0x710 [ 1826.967372][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.967372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.967372][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.967372][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.967372][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.967372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.967372][ T73] [ 1826.969327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.969327][ T73] dst_init+0x84/0x4a0 [ 1826.969327][ T73] dst_alloc+0x97/0x150 [ 1826.969327][ T73] ip6_dst_alloc+0x23/0x90 [ 1826.969327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1826.969327][ T73] ip6_pol_route+0x56f/0x840 [ 1826.969327][ T73] fib6_rule_lookup+0x456/0x630 [ 1826.969327][ T73] ip6_route_input+0x59c/0xa50 [ 1826.969327][ T73] ipv6_rcv+0x397/0x810 [ 1826.969327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1826.969327][ T73] process_backlog+0x101/0x620 [ 1826.969327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1826.969327][ T73] net_rx_action+0x495/0xbe0 [ 1826.969327][ T73] __do_softirq+0x1b5/0x7f6 [ 1826.969327][ T73] [ 1826.971015][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.971015][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.971015][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.971015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.971015][ T73] ip6_route_add+0x1c/0x140 [ 1826.971015][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1826.971015][ T73] inet6_addr_add+0x4f8/0xa40 [ 1826.971015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.971015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.971015][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.971015][ T73] netlink_unicast+0x449/0x710 [ 1826.971015][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.971015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.971015][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.971015][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.971015][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.971015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.971015][ T73] [ 1826.973050][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.973050][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.973050][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.973050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.973050][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1826.973050][ T73] ipv6_add_addr+0x411/0x2000 [ 1826.973050][ T73] inet6_addr_add+0x30e/0xa40 [ 1826.973050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.973050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.973050][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.973050][ T73] netlink_unicast+0x449/0x710 [ 1826.973050][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.973050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.973050][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.973050][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.973050][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.973050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.973050][ T73] [ 1826.975058][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.975058][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.975058][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.975058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.975058][ T73] ip6_route_add+0x1c/0x140 [ 1826.975058][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1826.975058][ T73] addrconf_add_dev+0xe2/0x170 [ 1826.975058][ T73] inet6_addr_add+0x12f/0xa40 [ 1826.975058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.975058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.975058][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.975058][ T73] netlink_unicast+0x449/0x710 [ 1826.975058][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.975058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.975058][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.975058][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.975058][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.975058][ T73] [ 1826.977060][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.977060][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1826.977060][ T73] ipv6_find_idev+0x102/0x170 [ 1826.977060][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.977060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.977060][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.977060][ T73] netlink_unicast+0x449/0x710 [ 1826.977060][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.977060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.977060][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.977060][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.977060][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.977060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.977060][ T73] [ 1826.978610][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1826.978610][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1826.978610][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1826.978610][ T73] ipv6_find_idev+0x102/0x170 [ 1826.978610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.978610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.978610][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.978610][ T73] netlink_unicast+0x449/0x710 [ 1826.978610][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.978610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.978610][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.978610][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.978610][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.978610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.978610][ T73] [ 1826.980339][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1826.980622][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.980622][ T73] dst_init+0x84/0x4a0 [ 1826.980622][ T73] dst_alloc+0x97/0x150 [ 1826.980622][ T73] ip6_dst_alloc+0x23/0x90 [ 1826.980622][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1826.980622][ T73] ip6_pol_route+0x56f/0x840 [ 1826.980622][ T73] fib6_rule_lookup+0x456/0x630 [ 1826.980622][ T73] ip6_route_input+0x59c/0xa50 [ 1826.980622][ T73] ipv6_rcv+0x397/0x810 [ 1826.980622][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1826.980622][ T73] process_backlog+0x101/0x620 [ 1826.980622][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1826.980622][ T73] net_rx_action+0x495/0xbe0 [ 1826.980622][ T73] __do_softirq+0x1b5/0x7f6 [ 1826.980622][ T73] [ 1826.982302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.982302][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.982302][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.982302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.982302][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1826.982302][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1826.982302][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1826.982302][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1826.982302][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1826.982302][ T73] addrconf_dad_begin+0x310/0x670 [ 1826.982302][ T73] addrconf_dad_work+0x10b/0xab0 [ 1826.982302][ T73] process_one_work+0x84d/0x18a0 [ 1826.982302][ T73] worker_thread+0x587/0xd30 [ 1826.982302][ T73] kthread+0x28a/0x350 [ 1826.982302][ T73] ret_from_fork+0x31/0x70 [ 1826.982302][ T73] ret_from_fork_asm+0x1a/0x30 [ 1826.982302][ T73] [ 1826.984220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.984220][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.984220][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.984220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.984220][ T73] ip6_route_add+0x1c/0x140 [ 1826.984220][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1826.984220][ T73] inet6_addr_add+0x4f8/0xa40 [ 1826.984220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.984220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.984220][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.984220][ T73] netlink_unicast+0x449/0x710 [ 1826.984220][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.984220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.984220][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.984220][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.984220][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.984220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.984220][ T73] [ 1826.986233][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.986233][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.986233][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.986233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.986233][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1826.986233][ T73] ipv6_add_addr+0x411/0x2000 [ 1826.986233][ T73] inet6_addr_add+0x30e/0xa40 [ 1826.986233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.986233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.986233][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.986233][ T73] netlink_unicast+0x449/0x710 [ 1826.986233][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.986233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.986233][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.986233][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.986233][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.986233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.986233][ T73] [ 1826.988242][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.988242][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.988242][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.988242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.988242][ T73] ip6_route_add+0x1c/0x140 [ 1826.988242][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1826.988242][ T73] addrconf_add_dev+0xe2/0x170 [ 1826.988242][ T73] inet6_addr_add+0x12f/0xa40 [ 1826.988242][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.988242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.988242][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.988242][ T73] netlink_unicast+0x449/0x710 [ 1826.988242][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.988242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.988242][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.988242][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.988242][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.988242][ T73] [ 1826.990233][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.990233][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1826.990233][ T73] ipv6_find_idev+0x102/0x170 [ 1826.990233][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.990233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.990233][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.990233][ T73] netlink_unicast+0x449/0x710 [ 1826.990233][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.990233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.990233][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.990233][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.990233][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.990233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.990233][ T73] [ 1826.991783][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1826.991783][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1826.991783][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1826.991783][ T73] ipv6_find_idev+0x102/0x170 [ 1826.991783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.991783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.991783][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.991783][ T73] netlink_unicast+0x449/0x710 [ 1826.991783][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.991783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.991783][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.991783][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.991783][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.991783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.991783][ T73] [ 1826.993629][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1826.993923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1826.993923][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1826.993923][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1826.993923][ T73] fib6_nh_init+0xa22/0x1580 [ 1826.993923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.993923][ T73] ip6_route_add+0x1c/0x140 [ 1826.993923][ T73] inet6_rtm_newroute+0x104/0x110 [ 1826.993923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.993923][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.993923][ T73] netlink_unicast+0x449/0x710 [ 1826.993923][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.993923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.993923][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.993923][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.993923][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.993923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.993923][ T73] [ 1826.996058][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1826.996058][ T73] dst_init+0x84/0x4a0 [ 1826.996058][ T73] dst_alloc+0x97/0x150 [ 1826.996058][ T73] ip6_dst_alloc+0x23/0x90 [ 1826.996058][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1826.996058][ T73] ip6_pol_route+0x56f/0x840 [ 1826.996058][ T73] fib6_rule_lookup+0x456/0x630 [ 1826.996058][ T73] ip6_route_input+0x59c/0xa50 [ 1826.996058][ T73] ipv6_rcv+0x397/0x810 [ 1826.996058][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1826.996058][ T73] process_backlog+0x101/0x620 [ 1826.996058][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1826.996058][ T73] net_rx_action+0x495/0xbe0 [ 1826.996058][ T73] __do_softirq+0x1b5/0x7f6 [ 1826.996058][ T73] [ 1826.997883][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1826.997883][ T73] netdev_get_by_index+0x5e/0x80 [ 1826.997883][ T73] fib6_nh_init+0x3d8/0x1580 [ 1826.997883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1826.997883][ T73] ip6_route_add+0x1c/0x140 [ 1826.997883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1826.997883][ T73] inet6_addr_add+0x4f8/0xa40 [ 1826.997883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.997883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.997883][ T73] netlink_rcv_skb+0x130/0x360 [ 1826.997883][ T73] netlink_unicast+0x449/0x710 [ 1826.997883][ T73] netlink_sendmsg+0x723/0xbe0 [ 1826.997883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1826.997883][ T73] ___sys_sendmsg+0xee/0x170 [ 1826.997883][ T73] __sys_sendmsg+0xcd/0x170 [ 1826.997883][ T73] do_syscall_64+0xc6/0x1e0 [ 1826.997883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.997883][ T73] [ 1827.000138][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1827.000138][ T73] netdev_get_by_index+0x5e/0x80 [ 1827.000138][ T73] fib6_nh_init+0x3d8/0x1580 [ 1827.000138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1827.000138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1827.000138][ T73] ipv6_add_addr+0x411/0x2000 [ 1827.000138][ T73] inet6_addr_add+0x30e/0xa40 [ 1827.000138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.000138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.000138][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.000138][ T73] netlink_unicast+0x449/0x710 [ 1827.000138][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.000138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.000138][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.000138][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.000138][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.000138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.000138][ T73] [ 1827.002465][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1827.002465][ T73] netdev_get_by_index+0x5e/0x80 [ 1827.002465][ T73] fib6_nh_init+0x3d8/0x1580 [ 1827.002465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1827.002465][ T73] ip6_route_add+0x1c/0x140 [ 1827.002465][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1827.002465][ T73] addrconf_add_dev+0xe2/0x170 [ 1827.002465][ T73] inet6_addr_add+0x12f/0xa40 [ 1827.002465][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.002465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.002465][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.002465][ T73] netlink_unicast+0x449/0x710 [ 1827.002465][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.002465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.002465][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.002465][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.002465][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.002465][ T73] [ 1827.004725][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1827.004725][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1827.004725][ T73] ipv6_find_idev+0x102/0x170 [ 1827.004725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.004725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.004725][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.004725][ T73] netlink_unicast+0x449/0x710 [ 1827.004725][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.004725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.004725][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.004725][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.004725][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.004725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.004725][ T73] [ 1827.006437][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1827.006437][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1827.006437][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1827.006437][ T73] ipv6_find_idev+0x102/0x170 [ 1827.006437][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.006437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.006437][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.006437][ T73] netlink_unicast+0x449/0x710 [ 1827.006437][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.006437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.006437][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.006437][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.006437][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.006437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.006437][ T73] [ 1827.008402][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1827.008679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1827.008679][ T73] netdev_get_by_index+0x5e/0x80 [ 1827.008679][ T73] fib6_nh_init+0x3d8/0x1580 [ 1827.008679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1827.008679][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1827.008679][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1827.008679][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1827.008679][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1827.008679][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1827.008679][ T73] addrconf_dad_begin+0x310/0x670 [ 1827.008679][ T73] addrconf_dad_work+0x10b/0xab0 [ 1827.008679][ T73] process_one_work+0x84d/0x18a0 [ 1827.008679][ T73] worker_thread+0x587/0xd30 [ 1827.008679][ T73] kthread+0x28a/0x350 [ 1827.008679][ T73] ret_from_fork+0x31/0x70 [ 1827.008679][ T73] ret_from_fork_asm+0x1a/0x30 [ 1827.008679][ T73] [ 1827.010878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1827.010878][ T73] netdev_get_by_index+0x5e/0x80 [ 1827.010878][ T73] fib6_nh_init+0x3d8/0x1580 [ 1827.010878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1827.010878][ T73] ip6_route_add+0x1c/0x140 [ 1827.010878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1827.010878][ T73] inet6_addr_add+0x4f8/0xa40 [ 1827.010878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.010878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.010878][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.010878][ T73] netlink_unicast+0x449/0x710 [ 1827.010878][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.010878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.010878][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.010878][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.010878][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.010878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.010878][ T73] [ 1827.013218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1827.013218][ T73] netdev_get_by_index+0x5e/0x80 [ 1827.013218][ T73] fib6_nh_init+0x3d8/0x1580 [ 1827.013218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1827.013218][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1827.013218][ T73] ipv6_add_addr+0x411/0x2000 [ 1827.013218][ T73] inet6_addr_add+0x30e/0xa40 [ 1827.013218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.013218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.013218][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.013218][ T73] netlink_unicast+0x449/0x710 [ 1827.013218][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.013218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.013218][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.013218][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.013218][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.013218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.013218][ T73] [ 1827.015409][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1827.015409][ T73] netdev_get_by_index+0x5e/0x80 [ 1827.015409][ T73] fib6_nh_init+0x3d8/0x1580 [ 1827.015409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1827.015409][ T73] ip6_route_add+0x1c/0x140 [ 1827.015409][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1827.015409][ T73] addrconf_add_dev+0xe2/0x170 [ 1827.015409][ T73] inet6_addr_add+0x12f/0xa40 [ 1827.015409][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.015409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.015409][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.015409][ T73] netlink_unicast+0x449/0x710 [ 1827.015409][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.015409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.015409][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.015409][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.015409][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.015409][ T73] [ 1827.017640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1827.017640][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1827.017640][ T73] ipv6_find_idev+0x102/0x170 [ 1827.017640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.017640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.017640][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.017640][ T73] netlink_unicast+0x449/0x710 [ 1827.017640][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.017640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.017640][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.017640][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.017640][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.017640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.017640][ T73] [ 1827.019430][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1827.019430][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1827.019430][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1827.019430][ T73] ipv6_find_idev+0x102/0x170 [ 1827.019430][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.019430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.019430][ T73] netlink_rcv_skb+0x130/0x360 [ 1827.019430][ T73] netlink_unicast+0x449/0x710 [ 1827.019430][ T73] netlink_sendmsg+0x723/0xbe0 [ 1827.019430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1827.019430][ T73] ___sys_sendmsg+0xee/0x170 [ 1827.019430][ T73] __sys_sendmsg+0xcd/0x170 [ 1827.019430][ T73] do_syscall_64+0xc6/0x1e0 [ 1827.019430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.019430][ T73] [ 1837.022909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1837.023586][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.023586][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1837.023586][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1837.023586][ T73] fib6_nh_init+0xa22/0x1580 [ 1837.023586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.023586][ T73] ip6_route_add+0x1c/0x140 [ 1837.023586][ T73] inet6_rtm_newroute+0x104/0x110 [ 1837.023586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.023586][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.023586][ T73] netlink_unicast+0x449/0x710 [ 1837.023586][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.023586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.023586][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.023586][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.023586][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.023586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.023586][ T73] [ 1837.026656][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.026656][ T73] dst_init+0x84/0x4a0 [ 1837.026656][ T73] dst_alloc+0x97/0x150 [ 1837.026656][ T73] ip6_dst_alloc+0x23/0x90 [ 1837.026656][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1837.026656][ T73] ip6_pol_route+0x56f/0x840 [ 1837.026656][ T73] fib6_rule_lookup+0x456/0x630 [ 1837.026656][ T73] ip6_route_input+0x59c/0xa50 [ 1837.026656][ T73] ipv6_rcv+0x397/0x810 [ 1837.026656][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1837.026656][ T73] process_backlog+0x101/0x620 [ 1837.026656][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1837.026656][ T73] net_rx_action+0x495/0xbe0 [ 1837.026656][ T73] __do_softirq+0x1b5/0x7f6 [ 1837.026656][ T73] [ 1837.029335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.029335][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.029335][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.029335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.029335][ T73] ip6_route_add+0x1c/0x140 [ 1837.029335][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1837.029335][ T73] inet6_addr_add+0x4f8/0xa40 [ 1837.029335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.029335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.029335][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.029335][ T73] netlink_unicast+0x449/0x710 [ 1837.029335][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.029335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.029335][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.029335][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.029335][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.029335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.029335][ T73] [ 1837.032581][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.032581][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.032581][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.032581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.032581][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1837.032581][ T73] ipv6_add_addr+0x411/0x2000 [ 1837.032581][ T73] inet6_addr_add+0x30e/0xa40 [ 1837.032581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.032581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.032581][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.032581][ T73] netlink_unicast+0x449/0x710 [ 1837.032581][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.032581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.032581][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.032581][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.032581][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.032581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.032581][ T73] [ 1837.035821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.035821][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.035821][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.035821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.035821][ T73] ip6_route_add+0x1c/0x140 [ 1837.035821][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.035821][ T73] addrconf_add_dev+0xe2/0x170 [ 1837.035821][ T73] inet6_addr_add+0x12f/0xa40 [ 1837.035821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.035821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.035821][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.035821][ T73] netlink_unicast+0x449/0x710 [ 1837.035821][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.035821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.035821][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.035821][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.035821][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.035821][ T73] [ 1837.039010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.039010][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1837.039010][ T73] ipv6_find_idev+0x102/0x170 [ 1837.039010][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.039010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.039010][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.039010][ T73] netlink_unicast+0x449/0x710 [ 1837.039010][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.039010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.039010][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.039010][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.039010][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.039010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.039010][ T73] [ 1837.041538][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1837.041538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1837.041538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1837.041538][ T73] ipv6_find_idev+0x102/0x170 [ 1837.041538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.041538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.041538][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.041538][ T73] netlink_unicast+0x449/0x710 [ 1837.041538][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.041538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.041538][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.041538][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.041538][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.041538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.041538][ T73] [ 1837.044392][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1837.044842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.044842][ T73] dst_init+0x84/0x4a0 [ 1837.044842][ T73] dst_alloc+0x97/0x150 [ 1837.044842][ T73] ip6_dst_alloc+0x23/0x90 [ 1837.044842][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1837.044842][ T73] ip6_pol_route+0x56f/0x840 [ 1837.044842][ T73] fib6_rule_lookup+0x456/0x630 [ 1837.044842][ T73] ip6_route_input+0x59c/0xa50 [ 1837.044842][ T73] ipv6_rcv+0x397/0x810 [ 1837.044842][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1837.044842][ T73] process_backlog+0x101/0x620 [ 1837.044842][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1837.044842][ T73] net_rx_action+0x495/0xbe0 [ 1837.044842][ T73] __do_softirq+0x1b5/0x7f6 [ 1837.044842][ T73] [ 1837.047488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.047488][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.047488][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.047488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.047488][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1837.047488][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.047488][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1837.047488][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.047488][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1837.047488][ T73] addrconf_dad_begin+0x310/0x670 [ 1837.047488][ T73] addrconf_dad_work+0x10b/0xab0 [ 1837.047488][ T73] process_one_work+0x84d/0x18a0 [ 1837.047488][ T73] worker_thread+0x587/0xd30 [ 1837.047488][ T73] kthread+0x28a/0x350 [ 1837.047488][ T73] ret_from_fork+0x31/0x70 [ 1837.047488][ T73] ret_from_fork_asm+0x1a/0x30 [ 1837.047488][ T73] [ 1837.050571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.050571][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.050571][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.050571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.050571][ T73] ip6_route_add+0x1c/0x140 [ 1837.050571][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1837.050571][ T73] inet6_addr_add+0x4f8/0xa40 [ 1837.050571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.050571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.050571][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.050571][ T73] netlink_unicast+0x449/0x710 [ 1837.050571][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.050571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.050571][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.050571][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.050571][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.050571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.050571][ T73] [ 1837.053827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.053827][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.053827][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.053827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.053827][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1837.053827][ T73] ipv6_add_addr+0x411/0x2000 [ 1837.053827][ T73] inet6_addr_add+0x30e/0xa40 [ 1837.053827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.053827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.053827][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.053827][ T73] netlink_unicast+0x449/0x710 [ 1837.053827][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.053827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.053827][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.053827][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.053827][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.053827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.053827][ T73] [ 1837.057049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.057049][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.057049][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.057049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.057049][ T73] ip6_route_add+0x1c/0x140 [ 1837.057049][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.057049][ T73] addrconf_add_dev+0xe2/0x170 [ 1837.057049][ T73] inet6_addr_add+0x12f/0xa40 [ 1837.057049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.057049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.057049][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.057049][ T73] netlink_unicast+0x449/0x710 [ 1837.057049][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.057049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.057049][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.057049][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.057049][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.057049][ T73] [ 1837.060202][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.060202][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1837.060202][ T73] ipv6_find_idev+0x102/0x170 [ 1837.060202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.060202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.060202][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.060202][ T73] netlink_unicast+0x449/0x710 [ 1837.060202][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.060202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.060202][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.060202][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.060202][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.060202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.060202][ T73] [ 1837.062689][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1837.062689][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1837.062689][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1837.062689][ T73] ipv6_find_idev+0x102/0x170 [ 1837.062689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.062689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.062689][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.062689][ T73] netlink_unicast+0x449/0x710 [ 1837.062689][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.062689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.062689][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.062689][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.062689][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.062689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.062689][ T73] [ 1837.065681][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1837.066141][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.066141][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1837.066141][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1837.066141][ T73] fib6_nh_init+0xa22/0x1580 [ 1837.066141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.066141][ T73] ip6_route_add+0x1c/0x140 [ 1837.066141][ T73] inet6_rtm_newroute+0x104/0x110 [ 1837.066141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.066141][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.066141][ T73] netlink_unicast+0x449/0x710 [ 1837.066141][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.066141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.066141][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.066141][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.066141][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.066141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.066141][ T73] [ 1837.069732][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.069732][ T73] dst_init+0x84/0x4a0 [ 1837.069732][ T73] dst_alloc+0x97/0x150 [ 1837.069732][ T73] ip6_dst_alloc+0x23/0x90 [ 1837.069732][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1837.069732][ T73] ip6_pol_route+0x56f/0x840 [ 1837.069732][ T73] fib6_rule_lookup+0x456/0x630 [ 1837.069732][ T73] ip6_route_input+0x59c/0xa50 [ 1837.069732][ T73] ipv6_rcv+0x397/0x810 [ 1837.069732][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1837.069732][ T73] process_backlog+0x101/0x620 [ 1837.069732][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1837.069732][ T73] net_rx_action+0x495/0xbe0 [ 1837.069732][ T73] __do_softirq+0x1b5/0x7f6 [ 1837.069732][ T73] [ 1837.072847][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.072847][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.072847][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.072847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.072847][ T73] ip6_route_add+0x1c/0x140 [ 1837.072847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1837.072847][ T73] inet6_addr_add+0x4f8/0xa40 [ 1837.072847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.072847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.072847][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.072847][ T73] netlink_unicast+0x449/0x710 [ 1837.072847][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.072847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.072847][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.072847][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.072847][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.072847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.072847][ T73] [ 1837.076615][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.076615][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.076615][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.076615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.076615][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1837.076615][ T73] ipv6_add_addr+0x411/0x2000 [ 1837.076615][ T73] inet6_addr_add+0x30e/0xa40 [ 1837.076615][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.076615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.076615][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.076615][ T73] netlink_unicast+0x449/0x710 [ 1837.076615][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.076615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.076615][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.076615][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.076615][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.076615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.076615][ T73] [ 1837.080298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.080298][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.080298][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.080298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.080298][ T73] ip6_route_add+0x1c/0x140 [ 1837.080298][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.080298][ T73] addrconf_add_dev+0xe2/0x170 [ 1837.080298][ T73] inet6_addr_add+0x12f/0xa40 [ 1837.080298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.080298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.080298][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.080298][ T73] netlink_unicast+0x449/0x710 [ 1837.080298][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.080298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.080298][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.080298][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.080298][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.080298][ T73] [ 1837.084031][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.084031][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1837.084031][ T73] ipv6_find_idev+0x102/0x170 [ 1837.084031][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.084031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.084031][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.084031][ T73] netlink_unicast+0x449/0x710 [ 1837.084031][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.084031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.084031][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.084031][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.084031][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.084031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.084031][ T73] [ 1837.086757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1837.086757][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1837.086757][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1837.086757][ T73] ipv6_find_idev+0x102/0x170 [ 1837.086757][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.086757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.086757][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.086757][ T73] netlink_unicast+0x449/0x710 [ 1837.086757][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.086757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.086757][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.086757][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.086757][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.086757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.086757][ T73] [ 1837.089962][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1837.090408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1837.090408][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.090408][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.090408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.090408][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1837.090408][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.090408][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1837.090408][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.090408][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1837.090408][ T73] addrconf_dad_begin+0x310/0x670 [ 1837.090408][ T73] addrconf_dad_work+0x10b/0xab0 [ 1837.090408][ T73] process_one_work+0x84d/0x18a0 [ 1837.090408][ T73] worker_thread+0x587/0xd30 [ 1837.090408][ T73] kthread+0x28a/0x350 [ 1837.090408][ T73] ret_from_fork+0x31/0x70 [ 1837.090408][ T73] ret_from_fork_asm+0x1a/0x30 [ 1837.090408][ T73] [ 1837.093954][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1837.093954][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.093954][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.093954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.093954][ T73] ip6_route_add+0x1c/0x140 [ 1837.093954][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1837.093954][ T73] inet6_addr_add+0x4f8/0xa40 [ 1837.093954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.093954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.093954][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.093954][ T73] netlink_unicast+0x449/0x710 [ 1837.093954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.093954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.093954][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.093954][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.093954][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.093954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.093954][ T73] [ 1837.097658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1837.097658][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.097658][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.097658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.097658][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1837.097658][ T73] ipv6_add_addr+0x411/0x2000 [ 1837.097658][ T73] inet6_addr_add+0x30e/0xa40 [ 1837.097658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.097658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.097658][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.097658][ T73] netlink_unicast+0x449/0x710 [ 1837.097658][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.097658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.097658][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.097658][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.097658][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.097658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.097658][ T73] [ 1837.101329][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1837.101329][ T73] netdev_get_by_index+0x5e/0x80 [ 1837.101329][ T73] fib6_nh_init+0x3d8/0x1580 [ 1837.101329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1837.101329][ T73] ip6_route_add+0x1c/0x140 [ 1837.101329][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.101329][ T73] addrconf_add_dev+0xe2/0x170 [ 1837.101329][ T73] inet6_addr_add+0x12f/0xa40 [ 1837.101329][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.101329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.101329][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.101329][ T73] netlink_unicast+0x449/0x710 [ 1837.101329][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.101329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.101329][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.101329][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.101329][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.101329][ T73] [ 1837.104949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1837.104949][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1837.104949][ T73] ipv6_find_idev+0x102/0x170 [ 1837.104949][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.104949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.104949][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.104949][ T73] netlink_unicast+0x449/0x710 [ 1837.104949][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.104949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.104949][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.104949][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.104949][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.104949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.104949][ T73] [ 1837.107767][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1837.107767][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1837.107767][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1837.107767][ T73] ipv6_find_idev+0x102/0x170 [ 1837.107767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.107767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.107767][ T73] netlink_rcv_skb+0x130/0x360 [ 1837.107767][ T73] netlink_unicast+0x449/0x710 [ 1837.107767][ T73] netlink_sendmsg+0x723/0xbe0 [ 1837.107767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1837.107767][ T73] ___sys_sendmsg+0xee/0x170 [ 1837.107767][ T73] __sys_sendmsg+0xcd/0x170 [ 1837.107767][ T73] do_syscall_64+0xc6/0x1e0 [ 1837.107767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.107767][ T73] [ 1847.350857][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1847.351330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.351330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1847.351330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1847.351330][ T73] fib6_nh_init+0xa22/0x1580 [ 1847.351330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.351330][ T73] ip6_route_add+0x1c/0x140 [ 1847.351330][ T73] inet6_rtm_newroute+0x104/0x110 [ 1847.351330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.351330][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.351330][ T73] netlink_unicast+0x449/0x710 [ 1847.351330][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.351330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.351330][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.351330][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.351330][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.351330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.351330][ T73] [ 1847.353264][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.353264][ T73] dst_init+0x84/0x4a0 [ 1847.353264][ T73] dst_alloc+0x97/0x150 [ 1847.353264][ T73] ip6_dst_alloc+0x23/0x90 [ 1847.353264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1847.353264][ T73] ip6_pol_route+0x56f/0x840 [ 1847.353264][ T73] fib6_rule_lookup+0x456/0x630 [ 1847.353264][ T73] ip6_route_input+0x59c/0xa50 [ 1847.353264][ T73] ipv6_rcv+0x397/0x810 [ 1847.353264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1847.353264][ T73] process_backlog+0x101/0x620 [ 1847.353264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1847.353264][ T73] net_rx_action+0x495/0xbe0 [ 1847.353264][ T73] __do_softirq+0x1b5/0x7f6 [ 1847.353264][ T73] [ 1847.354924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.354924][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.354924][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.354924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.354924][ T73] ip6_route_add+0x1c/0x140 [ 1847.354924][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1847.354924][ T73] inet6_addr_add+0x4f8/0xa40 [ 1847.354924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.354924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.354924][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.354924][ T73] netlink_unicast+0x449/0x710 [ 1847.354924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.354924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.354924][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.354924][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.354924][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.354924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.354924][ T73] [ 1847.356922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.356922][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.356922][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.356922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.356922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1847.356922][ T73] ipv6_add_addr+0x411/0x2000 [ 1847.356922][ T73] inet6_addr_add+0x30e/0xa40 [ 1847.356922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.356922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.356922][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.356922][ T73] netlink_unicast+0x449/0x710 [ 1847.356922][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.356922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.356922][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.356922][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.356922][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.356922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.356922][ T73] [ 1847.358939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.358939][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.358939][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.358939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.358939][ T73] ip6_route_add+0x1c/0x140 [ 1847.358939][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1847.358939][ T73] addrconf_add_dev+0xe2/0x170 [ 1847.358939][ T73] inet6_addr_add+0x12f/0xa40 [ 1847.358939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.358939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.358939][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.358939][ T73] netlink_unicast+0x449/0x710 [ 1847.358939][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.358939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.358939][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.358939][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.358939][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.358939][ T73] [ 1847.360895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.360895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1847.360895][ T73] ipv6_find_idev+0x102/0x170 [ 1847.360895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.360895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.360895][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.360895][ T73] netlink_unicast+0x449/0x710 [ 1847.360895][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.360895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.360895][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.360895][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.360895][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.360895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.360895][ T73] [ 1847.362445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1847.362445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1847.362445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1847.362445][ T73] ipv6_find_idev+0x102/0x170 [ 1847.362445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.362445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.362445][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.362445][ T73] netlink_unicast+0x449/0x710 [ 1847.362445][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.362445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.362445][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.362445][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.362445][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.362445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.362445][ T73] [ 1847.364151][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1847.364427][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.364427][ T73] dst_init+0x84/0x4a0 [ 1847.364427][ T73] dst_alloc+0x97/0x150 [ 1847.364427][ T73] ip6_dst_alloc+0x23/0x90 [ 1847.364427][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1847.364427][ T73] ip6_pol_route+0x56f/0x840 [ 1847.364427][ T73] fib6_rule_lookup+0x456/0x630 [ 1847.364427][ T73] ip6_route_input+0x59c/0xa50 [ 1847.364427][ T73] ipv6_rcv+0x397/0x810 [ 1847.364427][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1847.364427][ T73] process_backlog+0x101/0x620 [ 1847.364427][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1847.364427][ T73] net_rx_action+0x495/0xbe0 [ 1847.364427][ T73] __do_softirq+0x1b5/0x7f6 [ 1847.364427][ T73] [ 1847.366058][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.366058][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.366058][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.366058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.366058][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1847.366058][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1847.366058][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1847.366058][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1847.366058][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1847.366058][ T73] addrconf_dad_begin+0x310/0x670 [ 1847.366058][ T73] addrconf_dad_work+0x10b/0xab0 [ 1847.366058][ T73] process_one_work+0x84d/0x18a0 [ 1847.366058][ T73] worker_thread+0x587/0xd30 [ 1847.366058][ T73] kthread+0x28a/0x350 [ 1847.366058][ T73] ret_from_fork+0x31/0x70 [ 1847.366058][ T73] ret_from_fork_asm+0x1a/0x30 [ 1847.366058][ T73] [ 1847.367955][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.367955][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.367955][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.367955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.367955][ T73] ip6_route_add+0x1c/0x140 [ 1847.367955][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1847.367955][ T73] inet6_addr_add+0x4f8/0xa40 [ 1847.367955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.367955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.367955][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.367955][ T73] netlink_unicast+0x449/0x710 [ 1847.367955][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.367955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.367955][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.367955][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.367955][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.367955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.367955][ T73] [ 1847.369944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.369944][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.369944][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.369944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.369944][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1847.369944][ T73] ipv6_add_addr+0x411/0x2000 [ 1847.369944][ T73] inet6_addr_add+0x30e/0xa40 [ 1847.369944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.369944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.369944][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.369944][ T73] netlink_unicast+0x449/0x710 [ 1847.369944][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.369944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.369944][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.369944][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.369944][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.369944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.369944][ T73] [ 1847.371941][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.371941][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.371941][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.371941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.371941][ T73] ip6_route_add+0x1c/0x140 [ 1847.371941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1847.371941][ T73] addrconf_add_dev+0xe2/0x170 [ 1847.371941][ T73] inet6_addr_add+0x12f/0xa40 [ 1847.371941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.371941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.371941][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.371941][ T73] netlink_unicast+0x449/0x710 [ 1847.371941][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.371941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.371941][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.371941][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.371941][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.371941][ T73] [ 1847.373898][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.373898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1847.373898][ T73] ipv6_find_idev+0x102/0x170 [ 1847.373898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.373898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.373898][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.373898][ T73] netlink_unicast+0x449/0x710 [ 1847.373898][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.373898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.373898][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.373898][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.373898][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.373898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.373898][ T73] [ 1847.375431][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1847.375431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1847.375431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1847.375431][ T73] ipv6_find_idev+0x102/0x170 [ 1847.375431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.375431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.375431][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.375431][ T73] netlink_unicast+0x449/0x710 [ 1847.375431][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.375431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.375431][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.375431][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.375431][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.375431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.375431][ T73] [ 1847.377219][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1847.377483][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.377483][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1847.377483][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1847.377483][ T73] fib6_nh_init+0xa22/0x1580 [ 1847.377483][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.377483][ T73] ip6_route_add+0x1c/0x140 [ 1847.377483][ T73] inet6_rtm_newroute+0x104/0x110 [ 1847.377483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.377483][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.377483][ T73] netlink_unicast+0x449/0x710 [ 1847.377483][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.377483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.377483][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.377483][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.377483][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.377483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.377483][ T73] [ 1847.379627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.379627][ T73] dst_init+0x84/0x4a0 [ 1847.379627][ T73] dst_alloc+0x97/0x150 [ 1847.379627][ T73] ip6_dst_alloc+0x23/0x90 [ 1847.379627][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1847.379627][ T73] ip6_pol_route+0x56f/0x840 [ 1847.379627][ T73] fib6_rule_lookup+0x456/0x630 [ 1847.379627][ T73] ip6_route_input+0x59c/0xa50 [ 1847.379627][ T73] ipv6_rcv+0x397/0x810 [ 1847.379627][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1847.379627][ T73] process_backlog+0x101/0x620 [ 1847.379627][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1847.379627][ T73] net_rx_action+0x495/0xbe0 [ 1847.379627][ T73] __do_softirq+0x1b5/0x7f6 [ 1847.379627][ T73] [ 1847.381436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.381436][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.381436][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.381436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.381436][ T73] ip6_route_add+0x1c/0x140 [ 1847.381436][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1847.381436][ T73] inet6_addr_add+0x4f8/0xa40 [ 1847.381436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.381436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.381436][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.381436][ T73] netlink_unicast+0x449/0x710 [ 1847.381436][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.381436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.381436][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.381436][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.381436][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.381436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.381436][ T73] [ 1847.383757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.383757][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.383757][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.383757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.383757][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1847.383757][ T73] ipv6_add_addr+0x411/0x2000 [ 1847.383757][ T73] inet6_addr_add+0x30e/0xa40 [ 1847.383757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.383757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.383757][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.383757][ T73] netlink_unicast+0x449/0x710 [ 1847.383757][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.383757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.383757][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.383757][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.383757][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.383757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.383757][ T73] [ 1847.385994][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.385994][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.385994][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.385994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.385994][ T73] ip6_route_add+0x1c/0x140 [ 1847.385994][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1847.385994][ T73] addrconf_add_dev+0xe2/0x170 [ 1847.385994][ T73] inet6_addr_add+0x12f/0xa40 [ 1847.385994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.385994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.385994][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.385994][ T73] netlink_unicast+0x449/0x710 [ 1847.385994][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.385994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.385994][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.385994][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.385994][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.385994][ T73] [ 1847.388224][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.388224][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1847.388224][ T73] ipv6_find_idev+0x102/0x170 [ 1847.388224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.388224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.388224][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.388224][ T73] netlink_unicast+0x449/0x710 [ 1847.388224][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.388224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.388224][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.388224][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.388224][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.388224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.388224][ T73] [ 1847.389933][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1847.389933][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1847.389933][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1847.389933][ T73] ipv6_find_idev+0x102/0x170 [ 1847.389933][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.389933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.389933][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.389933][ T73] netlink_unicast+0x449/0x710 [ 1847.389933][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.389933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.389933][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.389933][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.389933][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.389933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.389933][ T73] [ 1847.392406][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1847.392689][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1847.392689][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.392689][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.392689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.392689][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1847.392689][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1847.392689][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1847.392689][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1847.392689][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1847.392689][ T73] addrconf_dad_begin+0x310/0x670 [ 1847.392689][ T73] addrconf_dad_work+0x10b/0xab0 [ 1847.392689][ T73] process_one_work+0x84d/0x18a0 [ 1847.392689][ T73] worker_thread+0x587/0xd30 [ 1847.392689][ T73] kthread+0x28a/0x350 [ 1847.392689][ T73] ret_from_fork+0x31/0x70 [ 1847.392689][ T73] ret_from_fork_asm+0x1a/0x30 [ 1847.392689][ T73] [ 1847.394849][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1847.394849][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.394849][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.394849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.394849][ T73] ip6_route_add+0x1c/0x140 [ 1847.394849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1847.394849][ T73] inet6_addr_add+0x4f8/0xa40 [ 1847.394849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.394849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.394849][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.394849][ T73] netlink_unicast+0x449/0x710 [ 1847.394849][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.394849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.394849][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.394849][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.394849][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.394849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.394849][ T73] [ 1847.397077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1847.397077][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.397077][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.397077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.397077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1847.397077][ T73] ipv6_add_addr+0x411/0x2000 [ 1847.397077][ T73] inet6_addr_add+0x30e/0xa40 [ 1847.397077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.397077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.397077][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.397077][ T73] netlink_unicast+0x449/0x710 [ 1847.397077][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.397077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.397077][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.397077][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.397077][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.397077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.397077][ T73] [ 1847.399339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1847.399339][ T73] netdev_get_by_index+0x5e/0x80 [ 1847.399339][ T73] fib6_nh_init+0x3d8/0x1580 [ 1847.399339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1847.399339][ T73] ip6_route_add+0x1c/0x140 [ 1847.399339][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1847.399339][ T73] addrconf_add_dev+0xe2/0x170 [ 1847.399339][ T73] inet6_addr_add+0x12f/0xa40 [ 1847.399339][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1847.399339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.399339][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.399339][ T73] netlink_unicast+0x449/0x710 [ 1847.399339][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.399339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.399339][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.399339][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.399339][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.399339][ T73] [ 1847.401467][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1847.401467][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1847.401467][ T73] ipv6_find_idev+0x102/0x170 [ 1847.401467][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.401467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.401467][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.401467][ T73] netlink_unicast+0x449/0x710 [ 1847.401467][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.401467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.401467][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.401467][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.401467][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.401467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.401467][ T73] [ 1847.403244][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1847.403244][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1847.403244][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1847.403244][ T73] ipv6_find_idev+0x102/0x170 [ 1847.403244][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1847.403244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1847.403244][ T73] netlink_rcv_skb+0x130/0x360 [ 1847.403244][ T73] netlink_unicast+0x449/0x710 [ 1847.403244][ T73] netlink_sendmsg+0x723/0xbe0 [ 1847.403244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1847.403244][ T73] ___sys_sendmsg+0xee/0x170 [ 1847.403244][ T73] __sys_sendmsg+0xcd/0x170 [ 1847.403244][ T73] do_syscall_64+0xc6/0x1e0 [ 1847.403244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1847.403244][ T73] [ 1857.614910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1857.615424][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.615424][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1857.615424][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1857.615424][ T73] fib6_nh_init+0xa22/0x1580 [ 1857.615424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.615424][ T73] ip6_route_add+0x1c/0x140 [ 1857.615424][ T73] inet6_rtm_newroute+0x104/0x110 [ 1857.615424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.615424][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.615424][ T73] netlink_unicast+0x449/0x710 [ 1857.615424][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.615424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.615424][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.615424][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.615424][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.615424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.615424][ T73] [ 1857.617457][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.617457][ T73] dst_init+0x84/0x4a0 [ 1857.617457][ T73] dst_alloc+0x97/0x150 [ 1857.617457][ T73] ip6_dst_alloc+0x23/0x90 [ 1857.617457][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1857.617457][ T73] ip6_pol_route+0x56f/0x840 [ 1857.617457][ T73] fib6_rule_lookup+0x456/0x630 [ 1857.617457][ T73] ip6_route_input+0x59c/0xa50 [ 1857.617457][ T73] ipv6_rcv+0x397/0x810 [ 1857.617457][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1857.617457][ T73] process_backlog+0x101/0x620 [ 1857.617457][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1857.617457][ T73] net_rx_action+0x495/0xbe0 [ 1857.617457][ T73] __do_softirq+0x1b5/0x7f6 [ 1857.617457][ T73] [ 1857.619210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.619210][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.619210][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.619210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.619210][ T73] ip6_route_add+0x1c/0x140 [ 1857.619210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1857.619210][ T73] inet6_addr_add+0x4f8/0xa40 [ 1857.619210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.619210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.619210][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.619210][ T73] netlink_unicast+0x449/0x710 [ 1857.619210][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.619210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.619210][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.619210][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.619210][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.619210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.619210][ T73] [ 1857.621327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.621327][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.621327][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.621327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.621327][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1857.621327][ T73] ipv6_add_addr+0x411/0x2000 [ 1857.621327][ T73] inet6_addr_add+0x30e/0xa40 [ 1857.621327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.621327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.621327][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.621327][ T73] netlink_unicast+0x449/0x710 [ 1857.621327][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.621327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.621327][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.621327][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.621327][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.621327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.621327][ T73] [ 1857.623397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.623397][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.623397][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.623397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.623397][ T73] ip6_route_add+0x1c/0x140 [ 1857.623397][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1857.623397][ T73] addrconf_add_dev+0xe2/0x170 [ 1857.623397][ T73] inet6_addr_add+0x12f/0xa40 [ 1857.623397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.623397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.623397][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.623397][ T73] netlink_unicast+0x449/0x710 [ 1857.623397][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.623397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.623397][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.623397][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.623397][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.623397][ T73] [ 1857.625504][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.625504][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1857.625504][ T73] ipv6_find_idev+0x102/0x170 [ 1857.625504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.625504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.625504][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.625504][ T73] netlink_unicast+0x449/0x710 [ 1857.625504][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.625504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.625504][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.625504][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.625504][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.625504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.625504][ T73] [ 1857.627115][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1857.627115][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1857.627115][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1857.627115][ T73] ipv6_find_idev+0x102/0x170 [ 1857.627115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.627115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.627115][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.627115][ T73] netlink_unicast+0x449/0x710 [ 1857.627115][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.627115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.627115][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.627115][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.627115][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.627115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.627115][ T73] [ 1857.628946][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1857.629330][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.629330][ T73] dst_init+0x84/0x4a0 [ 1857.629330][ T73] dst_alloc+0x97/0x150 [ 1857.629330][ T73] ip6_dst_alloc+0x23/0x90 [ 1857.629330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1857.629330][ T73] ip6_pol_route+0x56f/0x840 [ 1857.629330][ T73] fib6_rule_lookup+0x456/0x630 [ 1857.629330][ T73] ip6_route_input+0x59c/0xa50 [ 1857.629330][ T73] ipv6_rcv+0x397/0x810 [ 1857.629330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1857.629330][ T73] process_backlog+0x101/0x620 [ 1857.629330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1857.629330][ T73] net_rx_action+0x495/0xbe0 [ 1857.629330][ T73] __do_softirq+0x1b5/0x7f6 [ 1857.629330][ T73] [ 1857.630970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.630970][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.630970][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.630970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.630970][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1857.630970][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1857.630970][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1857.630970][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1857.630970][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1857.630970][ T73] addrconf_dad_begin+0x310/0x670 [ 1857.630970][ T73] addrconf_dad_work+0x10b/0xab0 [ 1857.630970][ T73] process_one_work+0x84d/0x18a0 [ 1857.630970][ T73] worker_thread+0x587/0xd30 [ 1857.630970][ T73] kthread+0x28a/0x350 [ 1857.630970][ T73] ret_from_fork+0x31/0x70 [ 1857.630970][ T73] ret_from_fork_asm+0x1a/0x30 [ 1857.630970][ T73] [ 1857.632882][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.632882][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.632882][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.632882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.632882][ T73] ip6_route_add+0x1c/0x140 [ 1857.632882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1857.632882][ T73] inet6_addr_add+0x4f8/0xa40 [ 1857.632882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.632882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.632882][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.632882][ T73] netlink_unicast+0x449/0x710 [ 1857.632882][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.632882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.632882][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.632882][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.632882][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.632882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.632882][ T73] [ 1857.634896][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.634896][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.634896][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.634896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.634896][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1857.634896][ T73] ipv6_add_addr+0x411/0x2000 [ 1857.634896][ T73] inet6_addr_add+0x30e/0xa40 [ 1857.634896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.634896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.634896][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.634896][ T73] netlink_unicast+0x449/0x710 [ 1857.634896][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.634896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.634896][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.634896][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.634896][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.634896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.634896][ T73] [ 1857.637044][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.637044][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.637044][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.637044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.637044][ T73] ip6_route_add+0x1c/0x140 [ 1857.637044][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1857.637044][ T73] addrconf_add_dev+0xe2/0x170 [ 1857.637044][ T73] inet6_addr_add+0x12f/0xa40 [ 1857.637044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.637044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.637044][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.637044][ T73] netlink_unicast+0x449/0x710 [ 1857.637044][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.637044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.637044][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.637044][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.637044][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.637044][ T73] [ 1857.639077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.639077][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1857.639077][ T73] ipv6_find_idev+0x102/0x170 [ 1857.639077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.639077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.639077][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.639077][ T73] netlink_unicast+0x449/0x710 [ 1857.639077][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.639077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.639077][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.639077][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.639077][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.639077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.639077][ T73] [ 1857.640657][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1857.640657][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1857.640657][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1857.640657][ T73] ipv6_find_idev+0x102/0x170 [ 1857.640657][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.640657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.640657][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.640657][ T73] netlink_unicast+0x449/0x710 [ 1857.640657][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.640657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.640657][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.640657][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.640657][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.640657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.640657][ T73] [ 1857.642614][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1857.642919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.642919][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1857.642919][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1857.642919][ T73] fib6_nh_init+0xa22/0x1580 [ 1857.642919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.642919][ T73] ip6_route_add+0x1c/0x140 [ 1857.642919][ T73] inet6_rtm_newroute+0x104/0x110 [ 1857.642919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.642919][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.642919][ T73] netlink_unicast+0x449/0x710 [ 1857.642919][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.642919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.642919][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.642919][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.642919][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.642919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.642919][ T73] [ 1857.645085][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.645085][ T73] dst_init+0x84/0x4a0 [ 1857.645085][ T73] dst_alloc+0x97/0x150 [ 1857.645085][ T73] ip6_dst_alloc+0x23/0x90 [ 1857.645085][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1857.645085][ T73] ip6_pol_route+0x56f/0x840 [ 1857.645085][ T73] fib6_rule_lookup+0x456/0x630 [ 1857.645085][ T73] ip6_route_input+0x59c/0xa50 [ 1857.645085][ T73] ipv6_rcv+0x397/0x810 [ 1857.645085][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1857.645085][ T73] process_backlog+0x101/0x620 [ 1857.645085][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1857.645085][ T73] net_rx_action+0x495/0xbe0 [ 1857.645085][ T73] __do_softirq+0x1b5/0x7f6 [ 1857.645085][ T73] [ 1857.646898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.646898][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.646898][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.646898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.646898][ T73] ip6_route_add+0x1c/0x140 [ 1857.646898][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1857.646898][ T73] inet6_addr_add+0x4f8/0xa40 [ 1857.646898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.646898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.646898][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.646898][ T73] netlink_unicast+0x449/0x710 [ 1857.646898][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.646898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.646898][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.646898][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.646898][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.646898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.646898][ T73] [ 1857.649191][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.649191][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.649191][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.649191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.649191][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1857.649191][ T73] ipv6_add_addr+0x411/0x2000 [ 1857.649191][ T73] inet6_addr_add+0x30e/0xa40 [ 1857.649191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.649191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.649191][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.649191][ T73] netlink_unicast+0x449/0x710 [ 1857.649191][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.649191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.649191][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.649191][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.649191][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.649191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.649191][ T73] [ 1857.651513][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.651513][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.651513][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.651513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.651513][ T73] ip6_route_add+0x1c/0x140 [ 1857.651513][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1857.651513][ T73] addrconf_add_dev+0xe2/0x170 [ 1857.651513][ T73] inet6_addr_add+0x12f/0xa40 [ 1857.651513][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.651513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.651513][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.651513][ T73] netlink_unicast+0x449/0x710 [ 1857.651513][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.651513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.651513][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.651513][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.651513][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.651513][ T73] [ 1857.653779][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.653779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1857.653779][ T73] ipv6_find_idev+0x102/0x170 [ 1857.653779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.653779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.653779][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.653779][ T73] netlink_unicast+0x449/0x710 [ 1857.653779][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.653779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.653779][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.653779][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.653779][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.653779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.653779][ T73] [ 1857.655511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1857.655511][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1857.655511][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1857.655511][ T73] ipv6_find_idev+0x102/0x170 [ 1857.655511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.655511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.655511][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.655511][ T73] netlink_unicast+0x449/0x710 [ 1857.655511][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.655511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.655511][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.655511][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.655511][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.655511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.655511][ T73] [ 1857.657529][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1857.657829][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1857.657829][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.657829][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.657829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.657829][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1857.657829][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1857.657829][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1857.657829][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1857.657829][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1857.657829][ T73] addrconf_dad_begin+0x310/0x670 [ 1857.657829][ T73] addrconf_dad_work+0x10b/0xab0 [ 1857.657829][ T73] process_one_work+0x84d/0x18a0 [ 1857.657829][ T73] worker_thread+0x587/0xd30 [ 1857.657829][ T73] kthread+0x28a/0x350 [ 1857.657829][ T73] ret_from_fork+0x31/0x70 [ 1857.657829][ T73] ret_from_fork_asm+0x1a/0x30 [ 1857.657829][ T73] [ 1857.660079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1857.660079][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.660079][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.660079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.660079][ T73] ip6_route_add+0x1c/0x140 [ 1857.660079][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1857.660079][ T73] inet6_addr_add+0x4f8/0xa40 [ 1857.660079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.660079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.660079][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.660079][ T73] netlink_unicast+0x449/0x710 [ 1857.660079][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.660079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.660079][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.660079][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.660079][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.660079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.660079][ T73] [ 1857.662374][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1857.662374][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.662374][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.662374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.662374][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1857.662374][ T73] ipv6_add_addr+0x411/0x2000 [ 1857.662374][ T73] inet6_addr_add+0x30e/0xa40 [ 1857.662374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.662374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.662374][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.662374][ T73] netlink_unicast+0x449/0x710 [ 1857.662374][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.662374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.662374][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.662374][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.662374][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.662374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.662374][ T73] [ 1857.664677][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1857.664677][ T73] netdev_get_by_index+0x5e/0x80 [ 1857.664677][ T73] fib6_nh_init+0x3d8/0x1580 [ 1857.664677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1857.664677][ T73] ip6_route_add+0x1c/0x140 [ 1857.664677][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1857.664677][ T73] addrconf_add_dev+0xe2/0x170 [ 1857.664677][ T73] inet6_addr_add+0x12f/0xa40 [ 1857.664677][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1857.664677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.664677][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.664677][ T73] netlink_unicast+0x449/0x710 [ 1857.664677][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.664677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.664677][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.664677][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.664677][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.664677][ T73] [ 1857.667031][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1857.667031][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1857.667031][ T73] ipv6_find_idev+0x102/0x170 [ 1857.667031][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.667031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.667031][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.667031][ T73] netlink_unicast+0x449/0x710 [ 1857.667031][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.667031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.667031][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.667031][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.667031][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.667031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.667031][ T73] [ 1857.668877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1857.668877][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1857.668877][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1857.668877][ T73] ipv6_find_idev+0x102/0x170 [ 1857.668877][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1857.668877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1857.668877][ T73] netlink_rcv_skb+0x130/0x360 [ 1857.668877][ T73] netlink_unicast+0x449/0x710 [ 1857.668877][ T73] netlink_sendmsg+0x723/0xbe0 [ 1857.668877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1857.668877][ T73] ___sys_sendmsg+0xee/0x170 [ 1857.668877][ T73] __sys_sendmsg+0xcd/0x170 [ 1857.668877][ T73] do_syscall_64+0xc6/0x1e0 [ 1857.668877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1857.668877][ T73] [ 1867.886924][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1867.887411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.887411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1867.887411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1867.887411][ T73] fib6_nh_init+0xa22/0x1580 [ 1867.887411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.887411][ T73] ip6_route_add+0x1c/0x140 [ 1867.887411][ T73] inet6_rtm_newroute+0x104/0x110 [ 1867.887411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.887411][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.887411][ T73] netlink_unicast+0x449/0x710 [ 1867.887411][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.887411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.887411][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.887411][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.887411][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.887411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.887411][ T73] [ 1867.889312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.889312][ T73] dst_init+0x84/0x4a0 [ 1867.889312][ T73] dst_alloc+0x97/0x150 [ 1867.889312][ T73] ip6_dst_alloc+0x23/0x90 [ 1867.889312][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1867.889312][ T73] ip6_pol_route+0x56f/0x840 [ 1867.889312][ T73] fib6_rule_lookup+0x456/0x630 [ 1867.889312][ T73] ip6_route_input+0x59c/0xa50 [ 1867.889312][ T73] ipv6_rcv+0x397/0x810 [ 1867.889312][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1867.889312][ T73] process_backlog+0x101/0x620 [ 1867.889312][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1867.889312][ T73] net_rx_action+0x495/0xbe0 [ 1867.889312][ T73] __do_softirq+0x1b5/0x7f6 [ 1867.889312][ T73] [ 1867.890945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.890945][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.890945][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.890945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.890945][ T73] ip6_route_add+0x1c/0x140 [ 1867.890945][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1867.890945][ T73] inet6_addr_add+0x4f8/0xa40 [ 1867.890945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.890945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.890945][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.890945][ T73] netlink_unicast+0x449/0x710 [ 1867.890945][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.890945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.890945][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.890945][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.890945][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.890945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.890945][ T73] [ 1867.892939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.892939][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.892939][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.892939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.892939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1867.892939][ T73] ipv6_add_addr+0x411/0x2000 [ 1867.892939][ T73] inet6_addr_add+0x30e/0xa40 [ 1867.892939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.892939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.892939][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.892939][ T73] netlink_unicast+0x449/0x710 [ 1867.892939][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.892939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.892939][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.892939][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.892939][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.892939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.892939][ T73] [ 1867.894935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.894935][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.894935][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.894935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.894935][ T73] ip6_route_add+0x1c/0x140 [ 1867.894935][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.894935][ T73] addrconf_add_dev+0xe2/0x170 [ 1867.894935][ T73] inet6_addr_add+0x12f/0xa40 [ 1867.894935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.894935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.894935][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.894935][ T73] netlink_unicast+0x449/0x710 [ 1867.894935][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.894935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.894935][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.894935][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.894935][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.894935][ T73] [ 1867.896895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.896895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1867.896895][ T73] ipv6_find_idev+0x102/0x170 [ 1867.896895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.896895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.896895][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.896895][ T73] netlink_unicast+0x449/0x710 [ 1867.896895][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.896895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.896895][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.896895][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.896895][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.896895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.896895][ T73] [ 1867.898431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1867.898431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1867.898431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1867.898431][ T73] ipv6_find_idev+0x102/0x170 [ 1867.898431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.898431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.898431][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.898431][ T73] netlink_unicast+0x449/0x710 [ 1867.898431][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.898431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.898431][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.898431][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.898431][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.898431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.898431][ T73] [ 1867.900150][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1867.900435][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.900435][ T73] dst_init+0x84/0x4a0 [ 1867.900435][ T73] dst_alloc+0x97/0x150 [ 1867.900435][ T73] ip6_dst_alloc+0x23/0x90 [ 1867.900435][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1867.900435][ T73] ip6_pol_route+0x56f/0x840 [ 1867.900435][ T73] fib6_rule_lookup+0x456/0x630 [ 1867.900435][ T73] ip6_route_input+0x59c/0xa50 [ 1867.900435][ T73] ipv6_rcv+0x397/0x810 [ 1867.900435][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1867.900435][ T73] process_backlog+0x101/0x620 [ 1867.900435][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1867.900435][ T73] net_rx_action+0x495/0xbe0 [ 1867.900435][ T73] __do_softirq+0x1b5/0x7f6 [ 1867.900435][ T73] [ 1867.902077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.902077][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.902077][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.902077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.902077][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1867.902077][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1867.902077][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1867.902077][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1867.902077][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1867.902077][ T73] addrconf_dad_begin+0x310/0x670 [ 1867.902077][ T73] addrconf_dad_work+0x10b/0xab0 [ 1867.902077][ T73] process_one_work+0x84d/0x18a0 [ 1867.902077][ T73] worker_thread+0x587/0xd30 [ 1867.902077][ T73] kthread+0x28a/0x350 [ 1867.902077][ T73] ret_from_fork+0x31/0x70 [ 1867.902077][ T73] ret_from_fork_asm+0x1a/0x30 [ 1867.902077][ T73] [ 1867.903983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.903983][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.903983][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.903983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.903983][ T73] ip6_route_add+0x1c/0x140 [ 1867.903983][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1867.903983][ T73] inet6_addr_add+0x4f8/0xa40 [ 1867.903983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.903983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.903983][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.903983][ T73] netlink_unicast+0x449/0x710 [ 1867.903983][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.903983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.903983][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.903983][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.903983][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.903983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.903983][ T73] [ 1867.905973][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.905973][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.905973][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.905973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.905973][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1867.905973][ T73] ipv6_add_addr+0x411/0x2000 [ 1867.905973][ T73] inet6_addr_add+0x30e/0xa40 [ 1867.905973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.905973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.905973][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.905973][ T73] netlink_unicast+0x449/0x710 [ 1867.905973][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.905973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.905973][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.905973][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.905973][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.905973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.905973][ T73] [ 1867.907960][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.907960][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.907960][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.907960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.907960][ T73] ip6_route_add+0x1c/0x140 [ 1867.907960][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.907960][ T73] addrconf_add_dev+0xe2/0x170 [ 1867.907960][ T73] inet6_addr_add+0x12f/0xa40 [ 1867.907960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.907960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.907960][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.907960][ T73] netlink_unicast+0x449/0x710 [ 1867.907960][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.907960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.907960][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.907960][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.907960][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.907960][ T73] [ 1867.909927][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.909927][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1867.909927][ T73] ipv6_find_idev+0x102/0x170 [ 1867.909927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.909927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.909927][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.909927][ T73] netlink_unicast+0x449/0x710 [ 1867.909927][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.909927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.909927][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.909927][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.909927][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.909927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.909927][ T73] [ 1867.911461][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1867.911461][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1867.911461][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1867.911461][ T73] ipv6_find_idev+0x102/0x170 [ 1867.911461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.911461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.911461][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.911461][ T73] netlink_unicast+0x449/0x710 [ 1867.911461][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.911461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.911461][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.911461][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.911461][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.911461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.911461][ T73] [ 1867.913272][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1867.913545][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.913545][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1867.913545][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1867.913545][ T73] fib6_nh_init+0xa22/0x1580 [ 1867.913545][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.913545][ T73] ip6_route_add+0x1c/0x140 [ 1867.913545][ T73] inet6_rtm_newroute+0x104/0x110 [ 1867.913545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.913545][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.913545][ T73] netlink_unicast+0x449/0x710 [ 1867.913545][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.913545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.913545][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.913545][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.913545][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.913545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.913545][ T73] [ 1867.915667][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.915667][ T73] dst_init+0x84/0x4a0 [ 1867.915667][ T73] dst_alloc+0x97/0x150 [ 1867.915667][ T73] ip6_dst_alloc+0x23/0x90 [ 1867.915667][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1867.915667][ T73] ip6_pol_route+0x56f/0x840 [ 1867.915667][ T73] fib6_rule_lookup+0x456/0x630 [ 1867.915667][ T73] ip6_route_input+0x59c/0xa50 [ 1867.915667][ T73] ipv6_rcv+0x397/0x810 [ 1867.915667][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1867.915667][ T73] process_backlog+0x101/0x620 [ 1867.915667][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1867.915667][ T73] net_rx_action+0x495/0xbe0 [ 1867.915667][ T73] __do_softirq+0x1b5/0x7f6 [ 1867.915667][ T73] [ 1867.917541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.917541][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.917541][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.917541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.917541][ T73] ip6_route_add+0x1c/0x140 [ 1867.917541][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1867.917541][ T73] inet6_addr_add+0x4f8/0xa40 [ 1867.917541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.917541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.917541][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.917541][ T73] netlink_unicast+0x449/0x710 [ 1867.917541][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.917541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.917541][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.917541][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.917541][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.917541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.917541][ T73] [ 1867.919776][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.919776][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.919776][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.919776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.919776][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1867.919776][ T73] ipv6_add_addr+0x411/0x2000 [ 1867.919776][ T73] inet6_addr_add+0x30e/0xa40 [ 1867.919776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.919776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.919776][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.919776][ T73] netlink_unicast+0x449/0x710 [ 1867.919776][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.919776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.919776][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.919776][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.919776][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.919776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.919776][ T73] [ 1867.922022][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.922022][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.922022][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.922022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.922022][ T73] ip6_route_add+0x1c/0x140 [ 1867.922022][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.922022][ T73] addrconf_add_dev+0xe2/0x170 [ 1867.922022][ T73] inet6_addr_add+0x12f/0xa40 [ 1867.922022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.922022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.922022][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.922022][ T73] netlink_unicast+0x449/0x710 [ 1867.922022][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.922022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.922022][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.922022][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.922022][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.922022][ T73] [ 1867.924219][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.924219][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1867.924219][ T73] ipv6_find_idev+0x102/0x170 [ 1867.924219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.924219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.924219][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.924219][ T73] netlink_unicast+0x449/0x710 [ 1867.924219][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.924219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.924219][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.924219][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.924219][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.924219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.924219][ T73] [ 1867.925874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1867.925874][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1867.925874][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1867.925874][ T73] ipv6_find_idev+0x102/0x170 [ 1867.925874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.925874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.925874][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.925874][ T73] netlink_unicast+0x449/0x710 [ 1867.925874][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.925874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.925874][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.925874][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.925874][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.925874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.925874][ T73] [ 1867.927860][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1867.928137][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1867.928137][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.928137][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.928137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.928137][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1867.928137][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1867.928137][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1867.928137][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1867.928137][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1867.928137][ T73] addrconf_dad_begin+0x310/0x670 [ 1867.928137][ T73] addrconf_dad_work+0x10b/0xab0 [ 1867.928137][ T73] process_one_work+0x84d/0x18a0 [ 1867.928137][ T73] worker_thread+0x587/0xd30 [ 1867.928137][ T73] kthread+0x28a/0x350 [ 1867.928137][ T73] ret_from_fork+0x31/0x70 [ 1867.928137][ T73] ret_from_fork_asm+0x1a/0x30 [ 1867.928137][ T73] [ 1867.930316][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1867.930316][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.930316][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.930316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.930316][ T73] ip6_route_add+0x1c/0x140 [ 1867.930316][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1867.930316][ T73] inet6_addr_add+0x4f8/0xa40 [ 1867.930316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.930316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.930316][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.930316][ T73] netlink_unicast+0x449/0x710 [ 1867.930316][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.930316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.930316][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.930316][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.930316][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.930316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.930316][ T73] [ 1867.932555][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1867.932555][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.932555][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.932555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.932555][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1867.932555][ T73] ipv6_add_addr+0x411/0x2000 [ 1867.932555][ T73] inet6_addr_add+0x30e/0xa40 [ 1867.932555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.932555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.932555][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.932555][ T73] netlink_unicast+0x449/0x710 [ 1867.932555][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.932555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.932555][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.932555][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.932555][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.932555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.932555][ T73] [ 1867.934727][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1867.934727][ T73] netdev_get_by_index+0x5e/0x80 [ 1867.934727][ T73] fib6_nh_init+0x3d8/0x1580 [ 1867.934727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1867.934727][ T73] ip6_route_add+0x1c/0x140 [ 1867.934727][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.934727][ T73] addrconf_add_dev+0xe2/0x170 [ 1867.934727][ T73] inet6_addr_add+0x12f/0xa40 [ 1867.934727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.934727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.934727][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.934727][ T73] netlink_unicast+0x449/0x710 [ 1867.934727][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.934727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.934727][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.934727][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.934727][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.934727][ T73] [ 1867.937004][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1867.937004][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1867.937004][ T73] ipv6_find_idev+0x102/0x170 [ 1867.937004][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.937004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.937004][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.937004][ T73] netlink_unicast+0x449/0x710 [ 1867.937004][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.937004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.937004][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.937004][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.937004][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.937004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.937004][ T73] [ 1867.938715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1867.938715][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1867.938715][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1867.938715][ T73] ipv6_find_idev+0x102/0x170 [ 1867.938715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.938715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.938715][ T73] netlink_rcv_skb+0x130/0x360 [ 1867.938715][ T73] netlink_unicast+0x449/0x710 [ 1867.938715][ T73] netlink_sendmsg+0x723/0xbe0 [ 1867.938715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1867.938715][ T73] ___sys_sendmsg+0xee/0x170 [ 1867.938715][ T73] __sys_sendmsg+0xcd/0x170 [ 1867.938715][ T73] do_syscall_64+0xc6/0x1e0 [ 1867.938715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.938715][ T73] [ 1877.942833][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1877.943326][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.943326][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1877.943326][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1877.943326][ T73] fib6_nh_init+0xa22/0x1580 [ 1877.943326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.943326][ T73] ip6_route_add+0x1c/0x140 [ 1877.943326][ T73] inet6_rtm_newroute+0x104/0x110 [ 1877.943326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.943326][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.943326][ T73] netlink_unicast+0x449/0x710 [ 1877.943326][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.943326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.943326][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.943326][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.943326][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.943326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.943326][ T73] [ 1877.945226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.945226][ T73] dst_init+0x84/0x4a0 [ 1877.945226][ T73] dst_alloc+0x97/0x150 [ 1877.945226][ T73] ip6_dst_alloc+0x23/0x90 [ 1877.945226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1877.945226][ T73] ip6_pol_route+0x56f/0x840 [ 1877.945226][ T73] fib6_rule_lookup+0x456/0x630 [ 1877.945226][ T73] ip6_route_input+0x59c/0xa50 [ 1877.945226][ T73] ipv6_rcv+0x397/0x810 [ 1877.945226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1877.945226][ T73] process_backlog+0x101/0x620 [ 1877.945226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1877.945226][ T73] net_rx_action+0x495/0xbe0 [ 1877.945226][ T73] __do_softirq+0x1b5/0x7f6 [ 1877.945226][ T73] [ 1877.946867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.946867][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.946867][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.946867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.946867][ T73] ip6_route_add+0x1c/0x140 [ 1877.946867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1877.946867][ T73] inet6_addr_add+0x4f8/0xa40 [ 1877.946867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.946867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.946867][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.946867][ T73] netlink_unicast+0x449/0x710 [ 1877.946867][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.946867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.946867][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.946867][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.946867][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.946867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.946867][ T73] [ 1877.948862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.948862][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.948862][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.948862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.948862][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1877.948862][ T73] ipv6_add_addr+0x411/0x2000 [ 1877.948862][ T73] inet6_addr_add+0x30e/0xa40 [ 1877.948862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.948862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.948862][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.948862][ T73] netlink_unicast+0x449/0x710 [ 1877.948862][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.948862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.948862][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.948862][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.948862][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.948862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.948862][ T73] [ 1877.950860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.950860][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.950860][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.950860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.950860][ T73] ip6_route_add+0x1c/0x140 [ 1877.950860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.950860][ T73] addrconf_add_dev+0xe2/0x170 [ 1877.950860][ T73] inet6_addr_add+0x12f/0xa40 [ 1877.950860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.950860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.950860][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.950860][ T73] netlink_unicast+0x449/0x710 [ 1877.950860][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.950860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.950860][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.950860][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.950860][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.950860][ T73] [ 1877.952852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.952852][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1877.952852][ T73] ipv6_find_idev+0x102/0x170 [ 1877.952852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.952852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.952852][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.952852][ T73] netlink_unicast+0x449/0x710 [ 1877.952852][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.952852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.952852][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.952852][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.952852][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.952852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.952852][ T73] [ 1877.954787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1877.954787][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1877.954787][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1877.954787][ T73] ipv6_find_idev+0x102/0x170 [ 1877.954787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.954787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.954787][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.954787][ T73] netlink_unicast+0x449/0x710 [ 1877.954787][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.954787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.954787][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.954787][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.954787][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.954787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.954787][ T73] [ 1877.956541][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1877.956888][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.956888][ T73] dst_init+0x84/0x4a0 [ 1877.956888][ T73] dst_alloc+0x97/0x150 [ 1877.956888][ T73] ip6_dst_alloc+0x23/0x90 [ 1877.956888][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1877.956888][ T73] ip6_pol_route+0x56f/0x840 [ 1877.956888][ T73] fib6_rule_lookup+0x456/0x630 [ 1877.956888][ T73] ip6_route_input+0x59c/0xa50 [ 1877.956888][ T73] ipv6_rcv+0x397/0x810 [ 1877.956888][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1877.956888][ T73] process_backlog+0x101/0x620 [ 1877.956888][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1877.956888][ T73] net_rx_action+0x495/0xbe0 [ 1877.956888][ T73] __do_softirq+0x1b5/0x7f6 [ 1877.956888][ T73] [ 1877.958561][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.958561][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.958561][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.958561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.958561][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1877.958561][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1877.958561][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1877.958561][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1877.958561][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1877.958561][ T73] addrconf_dad_begin+0x310/0x670 [ 1877.958561][ T73] addrconf_dad_work+0x10b/0xab0 [ 1877.958561][ T73] process_one_work+0x84d/0x18a0 [ 1877.958561][ T73] worker_thread+0x587/0xd30 [ 1877.958561][ T73] kthread+0x28a/0x350 [ 1877.958561][ T73] ret_from_fork+0x31/0x70 [ 1877.958561][ T73] ret_from_fork_asm+0x1a/0x30 [ 1877.958561][ T73] [ 1877.960475][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.960475][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.960475][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.960475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.960475][ T73] ip6_route_add+0x1c/0x140 [ 1877.960475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1877.960475][ T73] inet6_addr_add+0x4f8/0xa40 [ 1877.960475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.960475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.960475][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.960475][ T73] netlink_unicast+0x449/0x710 [ 1877.960475][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.960475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.960475][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.960475][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.960475][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.960475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.960475][ T73] [ 1877.962497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.962497][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.962497][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.962497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.962497][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1877.962497][ T73] ipv6_add_addr+0x411/0x2000 [ 1877.962497][ T73] inet6_addr_add+0x30e/0xa40 [ 1877.962497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.962497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.962497][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.962497][ T73] netlink_unicast+0x449/0x710 [ 1877.962497][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.962497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.962497][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.962497][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.962497][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.962497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.962497][ T73] [ 1877.964505][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.964505][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.964505][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.964505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.964505][ T73] ip6_route_add+0x1c/0x140 [ 1877.964505][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.964505][ T73] addrconf_add_dev+0xe2/0x170 [ 1877.964505][ T73] inet6_addr_add+0x12f/0xa40 [ 1877.964505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.964505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.964505][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.964505][ T73] netlink_unicast+0x449/0x710 [ 1877.964505][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.964505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.964505][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.964505][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.964505][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.964505][ T73] [ 1877.966476][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.966476][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1877.966476][ T73] ipv6_find_idev+0x102/0x170 [ 1877.966476][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.966476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.966476][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.966476][ T73] netlink_unicast+0x449/0x710 [ 1877.966476][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.966476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.966476][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.966476][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.966476][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.966476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.966476][ T73] [ 1877.968019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1877.968019][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1877.968019][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1877.968019][ T73] ipv6_find_idev+0x102/0x170 [ 1877.968019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.968019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.968019][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.968019][ T73] netlink_unicast+0x449/0x710 [ 1877.968019][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.968019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.968019][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.968019][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.968019][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.968019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.968019][ T73] [ 1877.969873][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1877.970168][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.970168][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1877.970168][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1877.970168][ T73] fib6_nh_init+0xa22/0x1580 [ 1877.970168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.970168][ T73] ip6_route_add+0x1c/0x140 [ 1877.970168][ T73] inet6_rtm_newroute+0x104/0x110 [ 1877.970168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.970168][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.970168][ T73] netlink_unicast+0x449/0x710 [ 1877.970168][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.970168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.970168][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.970168][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.970168][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.970168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.970168][ T73] [ 1877.972360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.972360][ T73] dst_init+0x84/0x4a0 [ 1877.972360][ T73] dst_alloc+0x97/0x150 [ 1877.972360][ T73] ip6_dst_alloc+0x23/0x90 [ 1877.972360][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1877.972360][ T73] ip6_pol_route+0x56f/0x840 [ 1877.972360][ T73] fib6_rule_lookup+0x456/0x630 [ 1877.972360][ T73] ip6_route_input+0x59c/0xa50 [ 1877.972360][ T73] ipv6_rcv+0x397/0x810 [ 1877.972360][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1877.972360][ T73] process_backlog+0x101/0x620 [ 1877.972360][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1877.972360][ T73] net_rx_action+0x495/0xbe0 [ 1877.972360][ T73] __do_softirq+0x1b5/0x7f6 [ 1877.972360][ T73] [ 1877.974180][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.974180][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.974180][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.974180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.974180][ T73] ip6_route_add+0x1c/0x140 [ 1877.974180][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1877.974180][ T73] inet6_addr_add+0x4f8/0xa40 [ 1877.974180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.974180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.974180][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.974180][ T73] netlink_unicast+0x449/0x710 [ 1877.974180][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.974180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.974180][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.974180][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.974180][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.974180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.974180][ T73] [ 1877.976414][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.976414][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.976414][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.976414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.976414][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1877.976414][ T73] ipv6_add_addr+0x411/0x2000 [ 1877.976414][ T73] inet6_addr_add+0x30e/0xa40 [ 1877.976414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.976414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.976414][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.976414][ T73] netlink_unicast+0x449/0x710 [ 1877.976414][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.976414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.976414][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.976414][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.976414][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.976414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.976414][ T73] [ 1877.978604][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.978604][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.978604][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.978604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.978604][ T73] ip6_route_add+0x1c/0x140 [ 1877.978604][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.978604][ T73] addrconf_add_dev+0xe2/0x170 [ 1877.978604][ T73] inet6_addr_add+0x12f/0xa40 [ 1877.978604][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.978604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.978604][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.978604][ T73] netlink_unicast+0x449/0x710 [ 1877.978604][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.978604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.978604][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.978604][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.978604][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.978604][ T73] [ 1877.980879][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.980879][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1877.980879][ T73] ipv6_find_idev+0x102/0x170 [ 1877.980879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.980879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.980879][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.980879][ T73] netlink_unicast+0x449/0x710 [ 1877.980879][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.980879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.980879][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.980879][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.980879][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.980879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.980879][ T73] [ 1877.982612][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1877.982612][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1877.982612][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1877.982612][ T73] ipv6_find_idev+0x102/0x170 [ 1877.982612][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.982612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.982612][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.982612][ T73] netlink_unicast+0x449/0x710 [ 1877.982612][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.982612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.982612][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.982612][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.982612][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.982612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.982612][ T73] [ 1877.984518][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1877.984805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1877.984805][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.984805][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.984805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.984805][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1877.984805][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1877.984805][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1877.984805][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1877.984805][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1877.984805][ T73] addrconf_dad_begin+0x310/0x670 [ 1877.984805][ T73] addrconf_dad_work+0x10b/0xab0 [ 1877.984805][ T73] process_one_work+0x84d/0x18a0 [ 1877.984805][ T73] worker_thread+0x587/0xd30 [ 1877.984805][ T73] kthread+0x28a/0x350 [ 1877.984805][ T73] ret_from_fork+0x31/0x70 [ 1877.984805][ T73] ret_from_fork_asm+0x1a/0x30 [ 1877.984805][ T73] [ 1877.986964][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1877.986964][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.986964][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.986964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.986964][ T73] ip6_route_add+0x1c/0x140 [ 1877.986964][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1877.986964][ T73] inet6_addr_add+0x4f8/0xa40 [ 1877.986964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.986964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.986964][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.986964][ T73] netlink_unicast+0x449/0x710 [ 1877.986964][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.986964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.986964][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.986964][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.986964][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.986964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.986964][ T73] [ 1877.989225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1877.989225][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.989225][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.989225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.989225][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1877.989225][ T73] ipv6_add_addr+0x411/0x2000 [ 1877.989225][ T73] inet6_addr_add+0x30e/0xa40 [ 1877.989225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.989225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.989225][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.989225][ T73] netlink_unicast+0x449/0x710 [ 1877.989225][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.989225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.989225][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.989225][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.989225][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.989225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.989225][ T73] [ 1877.991536][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1877.991536][ T73] netdev_get_by_index+0x5e/0x80 [ 1877.991536][ T73] fib6_nh_init+0x3d8/0x1580 [ 1877.991536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1877.991536][ T73] ip6_route_add+0x1c/0x140 [ 1877.991536][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.991536][ T73] addrconf_add_dev+0xe2/0x170 [ 1877.991536][ T73] inet6_addr_add+0x12f/0xa40 [ 1877.991536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.991536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.991536][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.991536][ T73] netlink_unicast+0x449/0x710 [ 1877.991536][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.991536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.991536][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.991536][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.991536][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.991536][ T73] [ 1877.993707][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1877.993707][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1877.993707][ T73] ipv6_find_idev+0x102/0x170 [ 1877.993707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.993707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.993707][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.993707][ T73] netlink_unicast+0x449/0x710 [ 1877.993707][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.993707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.993707][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.993707][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.993707][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.993707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.993707][ T73] [ 1877.995429][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1877.995429][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1877.995429][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1877.995429][ T73] ipv6_find_idev+0x102/0x170 [ 1877.995429][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.995429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.995429][ T73] netlink_rcv_skb+0x130/0x360 [ 1877.995429][ T73] netlink_unicast+0x449/0x710 [ 1877.995429][ T73] netlink_sendmsg+0x723/0xbe0 [ 1877.995429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1877.995429][ T73] ___sys_sendmsg+0xee/0x170 [ 1877.995429][ T73] __sys_sendmsg+0xcd/0x170 [ 1877.995429][ T73] do_syscall_64+0xc6/0x1e0 [ 1877.995429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.995429][ T73] [ 1888.238898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1888.239534][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.239534][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1888.239534][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1888.239534][ T73] fib6_nh_init+0xa22/0x1580 [ 1888.239534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.239534][ T73] ip6_route_add+0x1c/0x140 [ 1888.239534][ T73] inet6_rtm_newroute+0x104/0x110 [ 1888.239534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.239534][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.239534][ T73] netlink_unicast+0x449/0x710 [ 1888.239534][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.239534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.239534][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.239534][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.239534][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.239534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.239534][ T73] [ 1888.242590][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.242590][ T73] dst_init+0x84/0x4a0 [ 1888.242590][ T73] dst_alloc+0x97/0x150 [ 1888.242590][ T73] ip6_dst_alloc+0x23/0x90 [ 1888.242590][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1888.242590][ T73] ip6_pol_route+0x56f/0x840 [ 1888.242590][ T73] fib6_rule_lookup+0x456/0x630 [ 1888.242590][ T73] ip6_route_input+0x59c/0xa50 [ 1888.242590][ T73] ipv6_rcv+0x397/0x810 [ 1888.242590][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1888.242590][ T73] process_backlog+0x101/0x620 [ 1888.242590][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1888.242590][ T73] net_rx_action+0x495/0xbe0 [ 1888.242590][ T73] __do_softirq+0x1b5/0x7f6 [ 1888.242590][ T73] [ 1888.245232][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.245232][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.245232][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.245232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.245232][ T73] ip6_route_add+0x1c/0x140 [ 1888.245232][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1888.245232][ T73] inet6_addr_add+0x4f8/0xa40 [ 1888.245232][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.245232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.245232][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.245232][ T73] netlink_unicast+0x449/0x710 [ 1888.245232][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.245232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.245232][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.245232][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.245232][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.245232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.245232][ T73] [ 1888.248463][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.248463][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.248463][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.248463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.248463][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1888.248463][ T73] ipv6_add_addr+0x411/0x2000 [ 1888.248463][ T73] inet6_addr_add+0x30e/0xa40 [ 1888.248463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.248463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.248463][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.248463][ T73] netlink_unicast+0x449/0x710 [ 1888.248463][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.248463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.248463][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.248463][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.248463][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.248463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.248463][ T73] [ 1888.251700][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.251700][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.251700][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.251700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.251700][ T73] ip6_route_add+0x1c/0x140 [ 1888.251700][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.251700][ T73] addrconf_add_dev+0xe2/0x170 [ 1888.251700][ T73] inet6_addr_add+0x12f/0xa40 [ 1888.251700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.251700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.251700][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.251700][ T73] netlink_unicast+0x449/0x710 [ 1888.251700][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.251700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.251700][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.251700][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.251700][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.251700][ T73] [ 1888.254866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.254866][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1888.254866][ T73] ipv6_find_idev+0x102/0x170 [ 1888.254866][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.254866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.254866][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.254866][ T73] netlink_unicast+0x449/0x710 [ 1888.254866][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.254866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.254866][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.254866][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.254866][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.254866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.254866][ T73] [ 1888.257354][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1888.257354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1888.257354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1888.257354][ T73] ipv6_find_idev+0x102/0x170 [ 1888.257354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.257354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.257354][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.257354][ T73] netlink_unicast+0x449/0x710 [ 1888.257354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.257354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.257354][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.257354][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.257354][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.257354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.257354][ T73] [ 1888.260103][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1888.260571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.260571][ T73] dst_init+0x84/0x4a0 [ 1888.260571][ T73] dst_alloc+0x97/0x150 [ 1888.260571][ T73] ip6_dst_alloc+0x23/0x90 [ 1888.260571][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1888.260571][ T73] ip6_pol_route+0x56f/0x840 [ 1888.260571][ T73] fib6_rule_lookup+0x456/0x630 [ 1888.260571][ T73] ip6_route_input+0x59c/0xa50 [ 1888.260571][ T73] ipv6_rcv+0x397/0x810 [ 1888.260571][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1888.260571][ T73] process_backlog+0x101/0x620 [ 1888.260571][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1888.260571][ T73] net_rx_action+0x495/0xbe0 [ 1888.260571][ T73] __do_softirq+0x1b5/0x7f6 [ 1888.260571][ T73] [ 1888.263241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.263241][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.263241][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.263241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.263241][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1888.263241][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1888.263241][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1888.263241][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1888.263241][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1888.263241][ T73] addrconf_dad_begin+0x310/0x670 [ 1888.263241][ T73] addrconf_dad_work+0x10b/0xab0 [ 1888.263241][ T73] process_one_work+0x84d/0x18a0 [ 1888.263241][ T73] worker_thread+0x587/0xd30 [ 1888.263241][ T73] kthread+0x28a/0x350 [ 1888.263241][ T73] ret_from_fork+0x31/0x70 [ 1888.263241][ T73] ret_from_fork_asm+0x1a/0x30 [ 1888.263241][ T73] [ 1888.266368][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.266368][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.266368][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.266368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.266368][ T73] ip6_route_add+0x1c/0x140 [ 1888.266368][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1888.266368][ T73] inet6_addr_add+0x4f8/0xa40 [ 1888.266368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.266368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.266368][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.266368][ T73] netlink_unicast+0x449/0x710 [ 1888.266368][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.266368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.266368][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.266368][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.266368][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.266368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.266368][ T73] [ 1888.269596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.269596][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.269596][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.269596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.269596][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1888.269596][ T73] ipv6_add_addr+0x411/0x2000 [ 1888.269596][ T73] inet6_addr_add+0x30e/0xa40 [ 1888.269596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.269596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.269596][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.269596][ T73] netlink_unicast+0x449/0x710 [ 1888.269596][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.269596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.269596][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.269596][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.269596][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.269596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.269596][ T73] [ 1888.272821][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.272821][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.272821][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.272821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.272821][ T73] ip6_route_add+0x1c/0x140 [ 1888.272821][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.272821][ T73] addrconf_add_dev+0xe2/0x170 [ 1888.272821][ T73] inet6_addr_add+0x12f/0xa40 [ 1888.272821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.272821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.272821][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.272821][ T73] netlink_unicast+0x449/0x710 [ 1888.272821][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.272821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.272821][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.272821][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.272821][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.272821][ T73] [ 1888.275996][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.275996][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1888.275996][ T73] ipv6_find_idev+0x102/0x170 [ 1888.275996][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.275996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.275996][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.275996][ T73] netlink_unicast+0x449/0x710 [ 1888.275996][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.275996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.275996][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.275996][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.275996][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.275996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.275996][ T73] [ 1888.278482][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1888.278482][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1888.278482][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1888.278482][ T73] ipv6_find_idev+0x102/0x170 [ 1888.278482][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.278482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.278482][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.278482][ T73] netlink_unicast+0x449/0x710 [ 1888.278482][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.278482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.278482][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.278482][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.278482][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.278482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.278482][ T73] [ 1888.281445][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1888.281924][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.281924][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1888.281924][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1888.281924][ T73] fib6_nh_init+0xa22/0x1580 [ 1888.281924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.281924][ T73] ip6_route_add+0x1c/0x140 [ 1888.281924][ T73] inet6_rtm_newroute+0x104/0x110 [ 1888.281924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.281924][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.281924][ T73] netlink_unicast+0x449/0x710 [ 1888.281924][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.281924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.281924][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.281924][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.281924][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.281924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.281924][ T73] [ 1888.285418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.285418][ T73] dst_init+0x84/0x4a0 [ 1888.285418][ T73] dst_alloc+0x97/0x150 [ 1888.285418][ T73] ip6_dst_alloc+0x23/0x90 [ 1888.285418][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1888.285418][ T73] ip6_pol_route+0x56f/0x840 [ 1888.285418][ T73] fib6_rule_lookup+0x456/0x630 [ 1888.285418][ T73] ip6_route_input+0x59c/0xa50 [ 1888.285418][ T73] ipv6_rcv+0x397/0x810 [ 1888.285418][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1888.285418][ T73] process_backlog+0x101/0x620 [ 1888.285418][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1888.285418][ T73] net_rx_action+0x495/0xbe0 [ 1888.285418][ T73] __do_softirq+0x1b5/0x7f6 [ 1888.285418][ T73] [ 1888.288388][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.288388][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.288388][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.288388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.288388][ T73] ip6_route_add+0x1c/0x140 [ 1888.288388][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1888.288388][ T73] inet6_addr_add+0x4f8/0xa40 [ 1888.288388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.288388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.288388][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.288388][ T73] netlink_unicast+0x449/0x710 [ 1888.288388][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.288388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.288388][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.288388][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.288388][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.288388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.288388][ T73] [ 1888.292179][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.292179][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.292179][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.292179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.292179][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1888.292179][ T73] ipv6_add_addr+0x411/0x2000 [ 1888.292179][ T73] inet6_addr_add+0x30e/0xa40 [ 1888.292179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.292179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.292179][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.292179][ T73] netlink_unicast+0x449/0x710 [ 1888.292179][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.292179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.292179][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.292179][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.292179][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.292179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.292179][ T73] [ 1888.295851][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.295851][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.295851][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.295851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.295851][ T73] ip6_route_add+0x1c/0x140 [ 1888.295851][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.295851][ T73] addrconf_add_dev+0xe2/0x170 [ 1888.295851][ T73] inet6_addr_add+0x12f/0xa40 [ 1888.295851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.295851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.295851][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.295851][ T73] netlink_unicast+0x449/0x710 [ 1888.295851][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.295851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.295851][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.295851][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.295851][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.295851][ T73] [ 1888.299467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.299467][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1888.299467][ T73] ipv6_find_idev+0x102/0x170 [ 1888.299467][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.299467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.299467][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.299467][ T73] netlink_unicast+0x449/0x710 [ 1888.299467][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.299467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.299467][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.299467][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.299467][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.299467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.299467][ T73] [ 1888.302203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1888.302203][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1888.302203][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1888.302203][ T73] ipv6_find_idev+0x102/0x170 [ 1888.302203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.302203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.302203][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.302203][ T73] netlink_unicast+0x449/0x710 [ 1888.302203][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.302203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.302203][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.302203][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.302203][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.302203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.302203][ T73] [ 1888.305498][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1888.306787][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1888.306787][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.306787][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.306787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.306787][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1888.306787][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1888.306787][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1888.306787][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1888.306787][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1888.306787][ T73] addrconf_dad_begin+0x310/0x670 [ 1888.306787][ T73] addrconf_dad_work+0x10b/0xab0 [ 1888.306787][ T73] process_one_work+0x84d/0x18a0 [ 1888.306787][ T73] worker_thread+0x587/0xd30 [ 1888.306787][ T73] kthread+0x28a/0x350 [ 1888.306787][ T73] ret_from_fork+0x31/0x70 [ 1888.306787][ T73] ret_from_fork_asm+0x1a/0x30 [ 1888.306787][ T73] [ 1888.309886][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1888.309886][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.309886][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.309886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.309886][ T73] ip6_route_add+0x1c/0x140 [ 1888.309886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1888.309886][ T73] inet6_addr_add+0x4f8/0xa40 [ 1888.309886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.309886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.309886][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.309886][ T73] netlink_unicast+0x449/0x710 [ 1888.309886][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.309886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.309886][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.309886][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.309886][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.309886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.309886][ T73] [ 1888.314357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1888.314357][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.314357][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.314357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.314357][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1888.314357][ T73] ipv6_add_addr+0x411/0x2000 [ 1888.314357][ T73] inet6_addr_add+0x30e/0xa40 [ 1888.314357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.314357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.314357][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.314357][ T73] netlink_unicast+0x449/0x710 [ 1888.314357][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.314357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.314357][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.314357][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.314357][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.314357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.314357][ T73] [ 1888.318029][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1888.318029][ T73] netdev_get_by_index+0x5e/0x80 [ 1888.318029][ T73] fib6_nh_init+0x3d8/0x1580 [ 1888.318029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1888.318029][ T73] ip6_route_add+0x1c/0x140 [ 1888.318029][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.318029][ T73] addrconf_add_dev+0xe2/0x170 [ 1888.318029][ T73] inet6_addr_add+0x12f/0xa40 [ 1888.318029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.318029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.318029][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.318029][ T73] netlink_unicast+0x449/0x710 [ 1888.318029][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.318029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.318029][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.318029][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.318029][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.318029][ T73] [ 1888.321529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1888.321529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1888.321529][ T73] ipv6_find_idev+0x102/0x170 [ 1888.321529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.321529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.321529][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.321529][ T73] netlink_unicast+0x449/0x710 [ 1888.321529][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.321529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.321529][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.321529][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.321529][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.321529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.321529][ T73] [ 1888.324355][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1888.324355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1888.324355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1888.324355][ T73] ipv6_find_idev+0x102/0x170 [ 1888.324355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.324355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.324355][ T73] netlink_rcv_skb+0x130/0x360 [ 1888.324355][ T73] netlink_unicast+0x449/0x710 [ 1888.324355][ T73] netlink_sendmsg+0x723/0xbe0 [ 1888.324355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1888.324355][ T73] ___sys_sendmsg+0xee/0x170 [ 1888.324355][ T73] __sys_sendmsg+0xcd/0x170 [ 1888.324355][ T73] do_syscall_64+0xc6/0x1e0 [ 1888.324355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.324355][ T73] [ 1898.566898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1898.567510][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.567510][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1898.567510][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1898.567510][ T73] fib6_nh_init+0xa22/0x1580 [ 1898.567510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.567510][ T73] ip6_route_add+0x1c/0x140 [ 1898.567510][ T73] inet6_rtm_newroute+0x104/0x110 [ 1898.567510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.567510][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.567510][ T73] netlink_unicast+0x449/0x710 [ 1898.567510][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.567510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.567510][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.567510][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.567510][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.567510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.567510][ T73] [ 1898.570559][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.570559][ T73] dst_init+0x84/0x4a0 [ 1898.570559][ T73] dst_alloc+0x97/0x150 [ 1898.570559][ T73] ip6_dst_alloc+0x23/0x90 [ 1898.570559][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1898.570559][ T73] ip6_pol_route+0x56f/0x840 [ 1898.570559][ T73] fib6_rule_lookup+0x456/0x630 [ 1898.570559][ T73] ip6_route_input+0x59c/0xa50 [ 1898.570559][ T73] ipv6_rcv+0x397/0x810 [ 1898.570559][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1898.570559][ T73] process_backlog+0x101/0x620 [ 1898.570559][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1898.570559][ T73] net_rx_action+0x495/0xbe0 [ 1898.570559][ T73] __do_softirq+0x1b5/0x7f6 [ 1898.570559][ T73] [ 1898.573214][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.573214][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.573214][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.573214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.573214][ T73] ip6_route_add+0x1c/0x140 [ 1898.573214][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1898.573214][ T73] inet6_addr_add+0x4f8/0xa40 [ 1898.573214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.573214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.573214][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.573214][ T73] netlink_unicast+0x449/0x710 [ 1898.573214][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.573214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.573214][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.573214][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.573214][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.573214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.573214][ T73] [ 1898.576434][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.576434][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.576434][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.576434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.576434][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1898.576434][ T73] ipv6_add_addr+0x411/0x2000 [ 1898.576434][ T73] inet6_addr_add+0x30e/0xa40 [ 1898.576434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.576434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.576434][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.576434][ T73] netlink_unicast+0x449/0x710 [ 1898.576434][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.576434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.576434][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.576434][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.576434][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.576434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.576434][ T73] [ 1898.579671][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.579671][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.579671][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.579671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.579671][ T73] ip6_route_add+0x1c/0x140 [ 1898.579671][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.579671][ T73] addrconf_add_dev+0xe2/0x170 [ 1898.579671][ T73] inet6_addr_add+0x12f/0xa40 [ 1898.579671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.579671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.579671][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.579671][ T73] netlink_unicast+0x449/0x710 [ 1898.579671][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.579671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.579671][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.579671][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.579671][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.579671][ T73] [ 1898.582875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.582875][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1898.582875][ T73] ipv6_find_idev+0x102/0x170 [ 1898.582875][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.582875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.582875][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.582875][ T73] netlink_unicast+0x449/0x710 [ 1898.582875][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.582875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.582875][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.582875][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.582875][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.582875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.582875][ T73] [ 1898.585356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1898.585356][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1898.585356][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1898.585356][ T73] ipv6_find_idev+0x102/0x170 [ 1898.585356][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.585356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.585356][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.585356][ T73] netlink_unicast+0x449/0x710 [ 1898.585356][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.585356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.585356][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.585356][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.585356][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.585356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.585356][ T73] [ 1898.588520][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1898.589002][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.589002][ T73] dst_init+0x84/0x4a0 [ 1898.589002][ T73] dst_alloc+0x97/0x150 [ 1898.589002][ T73] ip6_dst_alloc+0x23/0x90 [ 1898.589002][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1898.589002][ T73] ip6_pol_route+0x56f/0x840 [ 1898.589002][ T73] fib6_rule_lookup+0x456/0x630 [ 1898.589002][ T73] ip6_route_input+0x59c/0xa50 [ 1898.589002][ T73] ipv6_rcv+0x397/0x810 [ 1898.589002][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1898.589002][ T73] process_backlog+0x101/0x620 [ 1898.589002][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1898.589002][ T73] net_rx_action+0x495/0xbe0 [ 1898.589002][ T73] __do_softirq+0x1b5/0x7f6 [ 1898.589002][ T73] [ 1898.591696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.591696][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.591696][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.591696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.591696][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1898.591696][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1898.591696][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1898.591696][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1898.591696][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1898.591696][ T73] addrconf_dad_begin+0x310/0x670 [ 1898.591696][ T73] addrconf_dad_work+0x10b/0xab0 [ 1898.591696][ T73] process_one_work+0x84d/0x18a0 [ 1898.591696][ T73] worker_thread+0x587/0xd30 [ 1898.591696][ T73] kthread+0x28a/0x350 [ 1898.591696][ T73] ret_from_fork+0x31/0x70 [ 1898.591696][ T73] ret_from_fork_asm+0x1a/0x30 [ 1898.591696][ T73] [ 1898.594788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.594788][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.594788][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.594788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.594788][ T73] ip6_route_add+0x1c/0x140 [ 1898.594788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1898.594788][ T73] inet6_addr_add+0x4f8/0xa40 [ 1898.594788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.594788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.594788][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.594788][ T73] netlink_unicast+0x449/0x710 [ 1898.594788][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.594788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.594788][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.594788][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.594788][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.594788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.594788][ T73] [ 1898.598006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.598006][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.598006][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.598006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.598006][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1898.598006][ T73] ipv6_add_addr+0x411/0x2000 [ 1898.598006][ T73] inet6_addr_add+0x30e/0xa40 [ 1898.598006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.598006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.598006][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.598006][ T73] netlink_unicast+0x449/0x710 [ 1898.598006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.598006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.598006][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.598006][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.598006][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.598006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.598006][ T73] [ 1898.601236][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.601236][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.601236][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.601236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.601236][ T73] ip6_route_add+0x1c/0x140 [ 1898.601236][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.601236][ T73] addrconf_add_dev+0xe2/0x170 [ 1898.601236][ T73] inet6_addr_add+0x12f/0xa40 [ 1898.601236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.601236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.601236][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.601236][ T73] netlink_unicast+0x449/0x710 [ 1898.601236][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.601236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.601236][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.601236][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.601236][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.601236][ T73] [ 1898.604416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.604416][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1898.604416][ T73] ipv6_find_idev+0x102/0x170 [ 1898.604416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.604416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.604416][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.604416][ T73] netlink_unicast+0x449/0x710 [ 1898.604416][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.604416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.604416][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.604416][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.604416][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.604416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.604416][ T73] [ 1898.606904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1898.606904][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1898.606904][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1898.606904][ T73] ipv6_find_idev+0x102/0x170 [ 1898.606904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.606904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.606904][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.606904][ T73] netlink_unicast+0x449/0x710 [ 1898.606904][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.606904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.606904][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.606904][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.606904][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.606904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.606904][ T73] [ 1898.609794][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1898.610250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.610250][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1898.610250][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1898.610250][ T73] fib6_nh_init+0xa22/0x1580 [ 1898.610250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.610250][ T73] ip6_route_add+0x1c/0x140 [ 1898.610250][ T73] inet6_rtm_newroute+0x104/0x110 [ 1898.610250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.610250][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.610250][ T73] netlink_unicast+0x449/0x710 [ 1898.610250][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.610250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.610250][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.610250][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.610250][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.610250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.610250][ T73] [ 1898.613529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.613529][ T73] dst_init+0x84/0x4a0 [ 1898.613529][ T73] dst_alloc+0x97/0x150 [ 1898.613529][ T73] ip6_dst_alloc+0x23/0x90 [ 1898.613529][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1898.613529][ T73] ip6_pol_route+0x56f/0x840 [ 1898.613529][ T73] fib6_rule_lookup+0x456/0x630 [ 1898.613529][ T73] ip6_route_input+0x59c/0xa50 [ 1898.613529][ T73] ipv6_rcv+0x397/0x810 [ 1898.613529][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1898.613529][ T73] process_backlog+0x101/0x620 [ 1898.613529][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1898.613529][ T73] net_rx_action+0x495/0xbe0 [ 1898.613529][ T73] __do_softirq+0x1b5/0x7f6 [ 1898.613529][ T73] [ 1898.616402][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.616402][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.616402][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.616402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.616402][ T73] ip6_route_add+0x1c/0x140 [ 1898.616402][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1898.616402][ T73] inet6_addr_add+0x4f8/0xa40 [ 1898.616402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.616402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.616402][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.616402][ T73] netlink_unicast+0x449/0x710 [ 1898.616402][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.616402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.616402][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.616402][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.616402][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.616402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.616402][ T73] [ 1898.619906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.619906][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.619906][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.619906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.619906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1898.619906][ T73] ipv6_add_addr+0x411/0x2000 [ 1898.619906][ T73] inet6_addr_add+0x30e/0xa40 [ 1898.619906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.619906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.619906][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.619906][ T73] netlink_unicast+0x449/0x710 [ 1898.619906][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.619906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.619906][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.619906][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.619906][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.619906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.619906][ T73] [ 1898.623366][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.623366][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.623366][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.623366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.623366][ T73] ip6_route_add+0x1c/0x140 [ 1898.623366][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.623366][ T73] addrconf_add_dev+0xe2/0x170 [ 1898.623366][ T73] inet6_addr_add+0x12f/0xa40 [ 1898.623366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.623366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.623366][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.623366][ T73] netlink_unicast+0x449/0x710 [ 1898.623366][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.623366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.623366][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.623366][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.623366][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.623366][ T73] [ 1898.626778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.626778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1898.626778][ T73] ipv6_find_idev+0x102/0x170 [ 1898.626778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.626778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.626778][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.626778][ T73] netlink_unicast+0x449/0x710 [ 1898.626778][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.626778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.626778][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.626778][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.626778][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.626778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.626778][ T73] [ 1898.629393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1898.629393][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1898.629393][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1898.629393][ T73] ipv6_find_idev+0x102/0x170 [ 1898.629393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.629393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.629393][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.629393][ T73] netlink_unicast+0x449/0x710 [ 1898.629393][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.629393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.629393][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.629393][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.629393][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.629393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.629393][ T73] [ 1898.632368][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1898.632830][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1898.632830][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.632830][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.632830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.632830][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1898.632830][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1898.632830][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1898.632830][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1898.632830][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1898.632830][ T73] addrconf_dad_begin+0x310/0x670 [ 1898.632830][ T73] addrconf_dad_work+0x10b/0xab0 [ 1898.632830][ T73] process_one_work+0x84d/0x18a0 [ 1898.632830][ T73] worker_thread+0x587/0xd30 [ 1898.632830][ T73] kthread+0x28a/0x350 [ 1898.632830][ T73] ret_from_fork+0x31/0x70 [ 1898.632830][ T73] ret_from_fork_asm+0x1a/0x30 [ 1898.632830][ T73] [ 1898.636140][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1898.636140][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.636140][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.636140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.636140][ T73] ip6_route_add+0x1c/0x140 [ 1898.636140][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1898.636140][ T73] inet6_addr_add+0x4f8/0xa40 [ 1898.636140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.636140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.636140][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.636140][ T73] netlink_unicast+0x449/0x710 [ 1898.636140][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.636140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.636140][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.636140][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.636140][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.636140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.636140][ T73] [ 1898.639591][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1898.639591][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.639591][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.639591][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.639591][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1898.639591][ T73] ipv6_add_addr+0x411/0x2000 [ 1898.639591][ T73] inet6_addr_add+0x30e/0xa40 [ 1898.639591][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.639591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.639591][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.639591][ T73] netlink_unicast+0x449/0x710 [ 1898.639591][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.639591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.639591][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.639591][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.639591][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.639591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.639591][ T73] [ 1898.642943][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1898.642943][ T73] netdev_get_by_index+0x5e/0x80 [ 1898.642943][ T73] fib6_nh_init+0x3d8/0x1580 [ 1898.642943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1898.642943][ T73] ip6_route_add+0x1c/0x140 [ 1898.642943][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.642943][ T73] addrconf_add_dev+0xe2/0x170 [ 1898.642943][ T73] inet6_addr_add+0x12f/0xa40 [ 1898.642943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.642943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.642943][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.642943][ T73] netlink_unicast+0x449/0x710 [ 1898.642943][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.642943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.642943][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.642943][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.642943][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.642943][ T73] [ 1898.646349][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1898.646349][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1898.646349][ T73] ipv6_find_idev+0x102/0x170 [ 1898.646349][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.646349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.646349][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.646349][ T73] netlink_unicast+0x449/0x710 [ 1898.646349][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.646349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.646349][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.646349][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.646349][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.646349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.646349][ T73] [ 1898.648941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1898.648941][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1898.648941][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1898.648941][ T73] ipv6_find_idev+0x102/0x170 [ 1898.648941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.648941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.648941][ T73] netlink_rcv_skb+0x130/0x360 [ 1898.648941][ T73] netlink_unicast+0x449/0x710 [ 1898.648941][ T73] netlink_sendmsg+0x723/0xbe0 [ 1898.648941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1898.648941][ T73] ___sys_sendmsg+0xee/0x170 [ 1898.648941][ T73] __sys_sendmsg+0xcd/0x170 [ 1898.648941][ T73] do_syscall_64+0xc6/0x1e0 [ 1898.648941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.648941][ T73] [ 1908.726932][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1908.727563][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.727563][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1908.727563][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1908.727563][ T73] fib6_nh_init+0xa22/0x1580 [ 1908.727563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.727563][ T73] ip6_route_add+0x1c/0x140 [ 1908.727563][ T73] inet6_rtm_newroute+0x104/0x110 [ 1908.727563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.727563][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.727563][ T73] netlink_unicast+0x449/0x710 [ 1908.727563][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.727563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.727563][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.727563][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.727563][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.727563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.727563][ T73] [ 1908.730610][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.730610][ T73] dst_init+0x84/0x4a0 [ 1908.730610][ T73] dst_alloc+0x97/0x150 [ 1908.730610][ T73] ip6_dst_alloc+0x23/0x90 [ 1908.730610][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1908.730610][ T73] ip6_pol_route+0x56f/0x840 [ 1908.730610][ T73] fib6_rule_lookup+0x456/0x630 [ 1908.730610][ T73] ip6_route_input+0x59c/0xa50 [ 1908.730610][ T73] ipv6_rcv+0x397/0x810 [ 1908.730610][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1908.730610][ T73] process_backlog+0x101/0x620 [ 1908.730610][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1908.730610][ T73] net_rx_action+0x495/0xbe0 [ 1908.730610][ T73] __do_softirq+0x1b5/0x7f6 [ 1908.730610][ T73] [ 1908.733267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.733267][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.733267][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.733267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.733267][ T73] ip6_route_add+0x1c/0x140 [ 1908.733267][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1908.733267][ T73] inet6_addr_add+0x4f8/0xa40 [ 1908.733267][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.733267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.733267][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.733267][ T73] netlink_unicast+0x449/0x710 [ 1908.733267][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.733267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.733267][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.733267][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.733267][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.733267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.733267][ T73] [ 1908.736487][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.736487][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.736487][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.736487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.736487][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1908.736487][ T73] ipv6_add_addr+0x411/0x2000 [ 1908.736487][ T73] inet6_addr_add+0x30e/0xa40 [ 1908.736487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.736487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.736487][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.736487][ T73] netlink_unicast+0x449/0x710 [ 1908.736487][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.736487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.736487][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.736487][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.736487][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.736487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.736487][ T73] [ 1908.739705][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.739705][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.739705][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.739705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.739705][ T73] ip6_route_add+0x1c/0x140 [ 1908.739705][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.739705][ T73] addrconf_add_dev+0xe2/0x170 [ 1908.739705][ T73] inet6_addr_add+0x12f/0xa40 [ 1908.739705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.739705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.739705][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.739705][ T73] netlink_unicast+0x449/0x710 [ 1908.739705][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.739705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.739705][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.739705][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.739705][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.739705][ T73] [ 1908.742886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.742886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1908.742886][ T73] ipv6_find_idev+0x102/0x170 [ 1908.742886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.742886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.742886][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.742886][ T73] netlink_unicast+0x449/0x710 [ 1908.742886][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.742886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.742886][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.742886][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.742886][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.742886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.742886][ T73] [ 1908.745377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1908.745377][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1908.745377][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1908.745377][ T73] ipv6_find_idev+0x102/0x170 [ 1908.745377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.745377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.745377][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.745377][ T73] netlink_unicast+0x449/0x710 [ 1908.745377][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.745377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.745377][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.745377][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.745377][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.745377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.745377][ T73] [ 1908.748141][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1908.748581][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.748581][ T73] dst_init+0x84/0x4a0 [ 1908.748581][ T73] dst_alloc+0x97/0x150 [ 1908.748581][ T73] ip6_dst_alloc+0x23/0x90 [ 1908.748581][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1908.748581][ T73] ip6_pol_route+0x56f/0x840 [ 1908.748581][ T73] fib6_rule_lookup+0x456/0x630 [ 1908.748581][ T73] ip6_route_input+0x59c/0xa50 [ 1908.748581][ T73] ipv6_rcv+0x397/0x810 [ 1908.748581][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1908.748581][ T73] process_backlog+0x101/0x620 [ 1908.748581][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1908.748581][ T73] net_rx_action+0x495/0xbe0 [ 1908.748581][ T73] __do_softirq+0x1b5/0x7f6 [ 1908.748581][ T73] [ 1908.751226][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.751226][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.751226][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.751226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.751226][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1908.751226][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1908.751226][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1908.751226][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1908.751226][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1908.751226][ T73] addrconf_dad_begin+0x310/0x670 [ 1908.751226][ T73] addrconf_dad_work+0x10b/0xab0 [ 1908.751226][ T73] process_one_work+0x84d/0x18a0 [ 1908.751226][ T73] worker_thread+0x587/0xd30 [ 1908.751226][ T73] kthread+0x28a/0x350 [ 1908.751226][ T73] ret_from_fork+0x31/0x70 [ 1908.751226][ T73] ret_from_fork_asm+0x1a/0x30 [ 1908.751226][ T73] [ 1908.754314][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.754314][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.754314][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.754314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.754314][ T73] ip6_route_add+0x1c/0x140 [ 1908.754314][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1908.754314][ T73] inet6_addr_add+0x4f8/0xa40 [ 1908.754314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.754314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.754314][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.754314][ T73] netlink_unicast+0x449/0x710 [ 1908.754314][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.754314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.754314][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.754314][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.754314][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.754314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.754314][ T73] [ 1908.757538][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.757538][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.757538][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.757538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.757538][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1908.757538][ T73] ipv6_add_addr+0x411/0x2000 [ 1908.757538][ T73] inet6_addr_add+0x30e/0xa40 [ 1908.757538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.757538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.757538][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.757538][ T73] netlink_unicast+0x449/0x710 [ 1908.757538][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.757538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.757538][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.757538][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.757538][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.757538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.757538][ T73] [ 1908.760859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.760859][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.760859][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.760859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.760859][ T73] ip6_route_add+0x1c/0x140 [ 1908.760859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.760859][ T73] addrconf_add_dev+0xe2/0x170 [ 1908.760859][ T73] inet6_addr_add+0x12f/0xa40 [ 1908.760859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.760859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.760859][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.760859][ T73] netlink_unicast+0x449/0x710 [ 1908.760859][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.760859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.760859][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.760859][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.760859][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.760859][ T73] [ 1908.764214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.764214][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1908.764214][ T73] ipv6_find_idev+0x102/0x170 [ 1908.764214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.764214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.764214][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.764214][ T73] netlink_unicast+0x449/0x710 [ 1908.764214][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.764214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.764214][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.764214][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.764214][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.764214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.764214][ T73] [ 1908.766702][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1908.766702][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1908.766702][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1908.766702][ T73] ipv6_find_idev+0x102/0x170 [ 1908.766702][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.766702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.766702][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.766702][ T73] netlink_unicast+0x449/0x710 [ 1908.766702][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.766702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.766702][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.766702][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.766702][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.766702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.766702][ T73] [ 1908.769673][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1908.770121][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.770121][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1908.770121][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1908.770121][ T73] fib6_nh_init+0xa22/0x1580 [ 1908.770121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.770121][ T73] ip6_route_add+0x1c/0x140 [ 1908.770121][ T73] inet6_rtm_newroute+0x104/0x110 [ 1908.770121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.770121][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.770121][ T73] netlink_unicast+0x449/0x710 [ 1908.770121][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.770121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.770121][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.770121][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.770121][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.770121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.770121][ T73] [ 1908.773620][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.773620][ T73] dst_init+0x84/0x4a0 [ 1908.773620][ T73] dst_alloc+0x97/0x150 [ 1908.773620][ T73] ip6_dst_alloc+0x23/0x90 [ 1908.773620][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1908.773620][ T73] ip6_pol_route+0x56f/0x840 [ 1908.773620][ T73] fib6_rule_lookup+0x456/0x630 [ 1908.773620][ T73] ip6_route_input+0x59c/0xa50 [ 1908.773620][ T73] ipv6_rcv+0x397/0x810 [ 1908.773620][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1908.773620][ T73] process_backlog+0x101/0x620 [ 1908.773620][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1908.773620][ T73] net_rx_action+0x495/0xbe0 [ 1908.773620][ T73] __do_softirq+0x1b5/0x7f6 [ 1908.773620][ T73] [ 1908.776692][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.776692][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.776692][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.776692][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.776692][ T73] ip6_route_add+0x1c/0x140 [ 1908.776692][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1908.776692][ T73] inet6_addr_add+0x4f8/0xa40 [ 1908.776692][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.776692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.776692][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.776692][ T73] netlink_unicast+0x449/0x710 [ 1908.776692][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.776692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.776692][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.776692][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.776692][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.776692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.776692][ T73] [ 1908.780486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.780486][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.780486][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.780486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.780486][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1908.780486][ T73] ipv6_add_addr+0x411/0x2000 [ 1908.780486][ T73] inet6_addr_add+0x30e/0xa40 [ 1908.780486][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.780486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.780486][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.780486][ T73] netlink_unicast+0x449/0x710 [ 1908.780486][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.780486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.780486][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.780486][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.780486][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.780486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.780486][ T73] [ 1908.784184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.784184][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.784184][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.784184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.784184][ T73] ip6_route_add+0x1c/0x140 [ 1908.784184][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.784184][ T73] addrconf_add_dev+0xe2/0x170 [ 1908.784184][ T73] inet6_addr_add+0x12f/0xa40 [ 1908.784184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.784184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.784184][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.784184][ T73] netlink_unicast+0x449/0x710 [ 1908.784184][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.784184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.784184][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.784184][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.784184][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.784184][ T73] [ 1908.787824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.787824][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1908.787824][ T73] ipv6_find_idev+0x102/0x170 [ 1908.787824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.787824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.787824][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.787824][ T73] netlink_unicast+0x449/0x710 [ 1908.787824][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.787824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.787824][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.787824][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.787824][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.787824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.787824][ T73] [ 1908.790538][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1908.790538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1908.790538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1908.790538][ T73] ipv6_find_idev+0x102/0x170 [ 1908.790538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.790538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.790538][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.790538][ T73] netlink_unicast+0x449/0x710 [ 1908.790538][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.790538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.790538][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.790538][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.790538][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.790538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.790538][ T73] [ 1908.793745][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1908.795056][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1908.795056][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.795056][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.795056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.795056][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1908.795056][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1908.795056][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1908.795056][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1908.795056][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1908.795056][ T73] addrconf_dad_begin+0x310/0x670 [ 1908.795056][ T73] addrconf_dad_work+0x10b/0xab0 [ 1908.795056][ T73] process_one_work+0x84d/0x18a0 [ 1908.795056][ T73] worker_thread+0x587/0xd30 [ 1908.795056][ T73] kthread+0x28a/0x350 [ 1908.795056][ T73] ret_from_fork+0x31/0x70 [ 1908.795056][ T73] ret_from_fork_asm+0x1a/0x30 [ 1908.795056][ T73] [ 1908.798132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1908.798132][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.798132][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.798132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.798132][ T73] ip6_route_add+0x1c/0x140 [ 1908.798132][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1908.798132][ T73] inet6_addr_add+0x4f8/0xa40 [ 1908.798132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.798132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.798132][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.798132][ T73] netlink_unicast+0x449/0x710 [ 1908.798132][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.798132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.798132][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.798132][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.798132][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.798132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.798132][ T73] [ 1908.801695][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1908.801695][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.801695][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.801695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.801695][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1908.801695][ T73] ipv6_add_addr+0x411/0x2000 [ 1908.801695][ T73] inet6_addr_add+0x30e/0xa40 [ 1908.801695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.801695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.801695][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.801695][ T73] netlink_unicast+0x449/0x710 [ 1908.801695][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.801695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.801695][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.801695][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.801695][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.801695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.801695][ T73] [ 1908.805372][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1908.805372][ T73] netdev_get_by_index+0x5e/0x80 [ 1908.805372][ T73] fib6_nh_init+0x3d8/0x1580 [ 1908.805372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1908.805372][ T73] ip6_route_add+0x1c/0x140 [ 1908.805372][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.805372][ T73] addrconf_add_dev+0xe2/0x170 [ 1908.805372][ T73] inet6_addr_add+0x12f/0xa40 [ 1908.805372][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.805372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.805372][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.805372][ T73] netlink_unicast+0x449/0x710 [ 1908.805372][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.805372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.805372][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.805372][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.805372][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.805372][ T73] [ 1908.808898][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1908.808898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1908.808898][ T73] ipv6_find_idev+0x102/0x170 [ 1908.808898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.808898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.808898][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.808898][ T73] netlink_unicast+0x449/0x710 [ 1908.808898][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.808898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.808898][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.808898][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.808898][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.808898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.808898][ T73] [ 1908.811722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1908.811722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1908.811722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1908.811722][ T73] ipv6_find_idev+0x102/0x170 [ 1908.811722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.811722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.811722][ T73] netlink_rcv_skb+0x130/0x360 [ 1908.811722][ T73] netlink_unicast+0x449/0x710 [ 1908.811722][ T73] netlink_sendmsg+0x723/0xbe0 [ 1908.811722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1908.811722][ T73] ___sys_sendmsg+0xee/0x170 [ 1908.811722][ T73] __sys_sendmsg+0xcd/0x170 [ 1908.811722][ T73] do_syscall_64+0xc6/0x1e0 [ 1908.811722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.811722][ T73] [ 1919.054845][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1919.055476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.055476][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1919.055476][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1919.055476][ T73] fib6_nh_init+0xa22/0x1580 [ 1919.055476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.055476][ T73] ip6_route_add+0x1c/0x140 [ 1919.055476][ T73] inet6_rtm_newroute+0x104/0x110 [ 1919.055476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.055476][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.055476][ T73] netlink_unicast+0x449/0x710 [ 1919.055476][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.055476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.055476][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.055476][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.055476][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.055476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.055476][ T73] [ 1919.058515][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.058515][ T73] dst_init+0x84/0x4a0 [ 1919.058515][ T73] dst_alloc+0x97/0x150 [ 1919.058515][ T73] ip6_dst_alloc+0x23/0x90 [ 1919.058515][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1919.058515][ T73] ip6_pol_route+0x56f/0x840 [ 1919.058515][ T73] fib6_rule_lookup+0x456/0x630 [ 1919.058515][ T73] ip6_route_input+0x59c/0xa50 [ 1919.058515][ T73] ipv6_rcv+0x397/0x810 [ 1919.058515][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1919.058515][ T73] process_backlog+0x101/0x620 [ 1919.058515][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1919.058515][ T73] net_rx_action+0x495/0xbe0 [ 1919.058515][ T73] __do_softirq+0x1b5/0x7f6 [ 1919.058515][ T73] [ 1919.061154][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.061154][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.061154][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.061154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.061154][ T73] ip6_route_add+0x1c/0x140 [ 1919.061154][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1919.061154][ T73] inet6_addr_add+0x4f8/0xa40 [ 1919.061154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.061154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.061154][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.061154][ T73] netlink_unicast+0x449/0x710 [ 1919.061154][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.061154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.061154][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.061154][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.061154][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.061154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.061154][ T73] [ 1919.064380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.064380][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.064380][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.064380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.064380][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1919.064380][ T73] ipv6_add_addr+0x411/0x2000 [ 1919.064380][ T73] inet6_addr_add+0x30e/0xa40 [ 1919.064380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.064380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.064380][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.064380][ T73] netlink_unicast+0x449/0x710 [ 1919.064380][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.064380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.064380][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.064380][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.064380][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.064380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.064380][ T73] [ 1919.067598][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.067598][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.067598][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.067598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.067598][ T73] ip6_route_add+0x1c/0x140 [ 1919.067598][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1919.067598][ T73] addrconf_add_dev+0xe2/0x170 [ 1919.067598][ T73] inet6_addr_add+0x12f/0xa40 [ 1919.067598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.067598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.067598][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.067598][ T73] netlink_unicast+0x449/0x710 [ 1919.067598][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.067598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.067598][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.067598][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.067598][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.067598][ T73] [ 1919.070797][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.070797][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1919.070797][ T73] ipv6_find_idev+0x102/0x170 [ 1919.070797][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.070797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.070797][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.070797][ T73] netlink_unicast+0x449/0x710 [ 1919.070797][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.070797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.070797][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.070797][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.070797][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.070797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.070797][ T73] [ 1919.073294][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1919.073294][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1919.073294][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1919.073294][ T73] ipv6_find_idev+0x102/0x170 [ 1919.073294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.073294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.073294][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.073294][ T73] netlink_unicast+0x449/0x710 [ 1919.073294][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.073294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.073294][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.073294][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.073294][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.073294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.073294][ T73] [ 1919.076039][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1919.076484][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.076484][ T73] dst_init+0x84/0x4a0 [ 1919.076484][ T73] dst_alloc+0x97/0x150 [ 1919.076484][ T73] ip6_dst_alloc+0x23/0x90 [ 1919.076484][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1919.076484][ T73] ip6_pol_route+0x56f/0x840 [ 1919.076484][ T73] fib6_rule_lookup+0x456/0x630 [ 1919.076484][ T73] ip6_route_input+0x59c/0xa50 [ 1919.076484][ T73] ipv6_rcv+0x397/0x810 [ 1919.076484][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1919.076484][ T73] process_backlog+0x101/0x620 [ 1919.076484][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1919.076484][ T73] net_rx_action+0x495/0xbe0 [ 1919.076484][ T73] __do_softirq+0x1b5/0x7f6 [ 1919.076484][ T73] [ 1919.079121][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.079121][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.079121][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.079121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.079121][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1919.079121][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1919.079121][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1919.079121][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1919.079121][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1919.079121][ T73] addrconf_dad_begin+0x310/0x670 [ 1919.079121][ T73] addrconf_dad_work+0x10b/0xab0 [ 1919.079121][ T73] process_one_work+0x84d/0x18a0 [ 1919.079121][ T73] worker_thread+0x587/0xd30 [ 1919.079121][ T73] kthread+0x28a/0x350 [ 1919.079121][ T73] ret_from_fork+0x31/0x70 [ 1919.079121][ T73] ret_from_fork_asm+0x1a/0x30 [ 1919.079121][ T73] [ 1919.082195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.082195][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.082195][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.082195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.082195][ T73] ip6_route_add+0x1c/0x140 [ 1919.082195][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1919.082195][ T73] inet6_addr_add+0x4f8/0xa40 [ 1919.082195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.082195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.082195][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.082195][ T73] netlink_unicast+0x449/0x710 [ 1919.082195][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.082195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.082195][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.082195][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.082195][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.082195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.082195][ T73] [ 1919.085526][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.085526][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.085526][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.085526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.085526][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1919.085526][ T73] ipv6_add_addr+0x411/0x2000 [ 1919.085526][ T73] inet6_addr_add+0x30e/0xa40 [ 1919.085526][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.085526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.085526][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.085526][ T73] netlink_unicast+0x449/0x710 [ 1919.085526][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.085526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.085526][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.085526][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.085526][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.085526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.085526][ T73] [ 1919.088750][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.088750][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.088750][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.088750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.088750][ T73] ip6_route_add+0x1c/0x140 [ 1919.088750][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1919.088750][ T73] addrconf_add_dev+0xe2/0x170 [ 1919.088750][ T73] inet6_addr_add+0x12f/0xa40 [ 1919.088750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.088750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.088750][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.088750][ T73] netlink_unicast+0x449/0x710 [ 1919.088750][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.088750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.088750][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.088750][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.088750][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.088750][ T73] [ 1919.091921][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.091921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1919.091921][ T73] ipv6_find_idev+0x102/0x170 [ 1919.091921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.091921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.091921][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.091921][ T73] netlink_unicast+0x449/0x710 [ 1919.091921][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.091921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.091921][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.091921][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.091921][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.091921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.091921][ T73] [ 1919.094402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1919.094402][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1919.094402][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1919.094402][ T73] ipv6_find_idev+0x102/0x170 [ 1919.094402][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.094402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.094402][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.094402][ T73] netlink_unicast+0x449/0x710 [ 1919.094402][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.094402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.094402][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.094402][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.094402][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.094402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.094402][ T73] [ 1919.097368][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1919.097804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.097804][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1919.097804][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1919.097804][ T73] fib6_nh_init+0xa22/0x1580 [ 1919.097804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.097804][ T73] ip6_route_add+0x1c/0x140 [ 1919.097804][ T73] inet6_rtm_newroute+0x104/0x110 [ 1919.097804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.097804][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.097804][ T73] netlink_unicast+0x449/0x710 [ 1919.097804][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.097804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.097804][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.097804][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.097804][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.097804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.097804][ T73] [ 1919.101395][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.101395][ T73] dst_init+0x84/0x4a0 [ 1919.101395][ T73] dst_alloc+0x97/0x150 [ 1919.101395][ T73] ip6_dst_alloc+0x23/0x90 [ 1919.101395][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1919.101395][ T73] ip6_pol_route+0x56f/0x840 [ 1919.101395][ T73] fib6_rule_lookup+0x456/0x630 [ 1919.101395][ T73] ip6_route_input+0x59c/0xa50 [ 1919.101395][ T73] ipv6_rcv+0x397/0x810 [ 1919.101395][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1919.101395][ T73] process_backlog+0x101/0x620 [ 1919.101395][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1919.101395][ T73] net_rx_action+0x495/0xbe0 [ 1919.101395][ T73] __do_softirq+0x1b5/0x7f6 [ 1919.101395][ T73] [ 1919.104374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.104374][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.104374][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.104374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.104374][ T73] ip6_route_add+0x1c/0x140 [ 1919.104374][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1919.104374][ T73] inet6_addr_add+0x4f8/0xa40 [ 1919.104374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.104374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.104374][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.104374][ T73] netlink_unicast+0x449/0x710 [ 1919.104374][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.104374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.104374][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.104374][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.104374][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.104374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.104374][ T73] [ 1919.108063][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.108063][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.108063][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.108063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.108063][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1919.108063][ T73] ipv6_add_addr+0x411/0x2000 [ 1919.108063][ T73] inet6_addr_add+0x30e/0xa40 [ 1919.108063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.108063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.108063][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.108063][ T73] netlink_unicast+0x449/0x710 [ 1919.108063][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.108063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.108063][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.108063][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.108063][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.108063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.108063][ T73] [ 1919.111737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.111737][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.111737][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.111737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.111737][ T73] ip6_route_add+0x1c/0x140 [ 1919.111737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1919.111737][ T73] addrconf_add_dev+0xe2/0x170 [ 1919.111737][ T73] inet6_addr_add+0x12f/0xa40 [ 1919.111737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.111737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.111737][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.111737][ T73] netlink_unicast+0x449/0x710 [ 1919.111737][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.111737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.111737][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.111737][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.111737][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.111737][ T73] [ 1919.115348][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.115348][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1919.115348][ T73] ipv6_find_idev+0x102/0x170 [ 1919.115348][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.115348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.115348][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.115348][ T73] netlink_unicast+0x449/0x710 [ 1919.115348][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.115348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.115348][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.115348][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.115348][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.115348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.115348][ T73] [ 1919.118183][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1919.118183][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1919.118183][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1919.118183][ T73] ipv6_find_idev+0x102/0x170 [ 1919.118183][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.118183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.118183][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.118183][ T73] netlink_unicast+0x449/0x710 [ 1919.118183][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.118183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.118183][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.118183][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.118183][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.118183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.118183][ T73] [ 1919.121356][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1919.121808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1919.121808][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.121808][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.121808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.121808][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1919.121808][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1919.121808][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1919.121808][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1919.121808][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1919.121808][ T73] addrconf_dad_begin+0x310/0x670 [ 1919.121808][ T73] addrconf_dad_work+0x10b/0xab0 [ 1919.121808][ T73] process_one_work+0x84d/0x18a0 [ 1919.121808][ T73] worker_thread+0x587/0xd30 [ 1919.121808][ T73] kthread+0x28a/0x350 [ 1919.121808][ T73] ret_from_fork+0x31/0x70 [ 1919.121808][ T73] ret_from_fork_asm+0x1a/0x30 [ 1919.121808][ T73] [ 1919.125337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1919.125337][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.125337][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.125337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.125337][ T73] ip6_route_add+0x1c/0x140 [ 1919.125337][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1919.125337][ T73] inet6_addr_add+0x4f8/0xa40 [ 1919.125337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.125337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.125337][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.125337][ T73] netlink_unicast+0x449/0x710 [ 1919.125337][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.125337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.125337][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.125337][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.125337][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.125337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.125337][ T73] [ 1919.128999][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1919.128999][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.128999][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.128999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.128999][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1919.128999][ T73] ipv6_add_addr+0x411/0x2000 [ 1919.128999][ T73] inet6_addr_add+0x30e/0xa40 [ 1919.128999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.128999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.128999][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.128999][ T73] netlink_unicast+0x449/0x710 [ 1919.128999][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.128999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.128999][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.128999][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.128999][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.128999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.128999][ T73] [ 1919.132679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1919.132679][ T73] netdev_get_by_index+0x5e/0x80 [ 1919.132679][ T73] fib6_nh_init+0x3d8/0x1580 [ 1919.132679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1919.132679][ T73] ip6_route_add+0x1c/0x140 [ 1919.132679][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1919.132679][ T73] addrconf_add_dev+0xe2/0x170 [ 1919.132679][ T73] inet6_addr_add+0x12f/0xa40 [ 1919.132679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1919.132679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.132679][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.132679][ T73] netlink_unicast+0x449/0x710 [ 1919.132679][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.132679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.132679][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.132679][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.132679][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.132679][ T73] [ 1919.136290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1919.136290][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1919.136290][ T73] ipv6_find_idev+0x102/0x170 [ 1919.136290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.136290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.136290][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.136290][ T73] netlink_unicast+0x449/0x710 [ 1919.136290][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.136290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.136290][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.136290][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.136290][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.136290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.136290][ T73] [ 1919.139106][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1919.139106][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1919.139106][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1919.139106][ T73] ipv6_find_idev+0x102/0x170 [ 1919.139106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1919.139106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1919.139106][ T73] netlink_rcv_skb+0x130/0x360 [ 1919.139106][ T73] netlink_unicast+0x449/0x710 [ 1919.139106][ T73] netlink_sendmsg+0x723/0xbe0 [ 1919.139106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1919.139106][ T73] ___sys_sendmsg+0xee/0x170 [ 1919.139106][ T73] __sys_sendmsg+0xcd/0x170 [ 1919.139106][ T73] do_syscall_64+0xc6/0x1e0 [ 1919.139106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1919.139106][ T73] [ 1929.382899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1929.383591][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.383591][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1929.383591][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1929.383591][ T73] fib6_nh_init+0xa22/0x1580 [ 1929.383591][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.383591][ T73] ip6_route_add+0x1c/0x140 [ 1929.383591][ T73] inet6_rtm_newroute+0x104/0x110 [ 1929.383591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.383591][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.383591][ T73] netlink_unicast+0x449/0x710 [ 1929.383591][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.383591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.383591][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.383591][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.383591][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.383591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.383591][ T73] [ 1929.386636][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.386636][ T73] dst_init+0x84/0x4a0 [ 1929.386636][ T73] dst_alloc+0x97/0x150 [ 1929.386636][ T73] ip6_dst_alloc+0x23/0x90 [ 1929.386636][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1929.386636][ T73] ip6_pol_route+0x56f/0x840 [ 1929.386636][ T73] fib6_rule_lookup+0x456/0x630 [ 1929.386636][ T73] ip6_route_input+0x59c/0xa50 [ 1929.386636][ T73] ipv6_rcv+0x397/0x810 [ 1929.386636][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1929.386636][ T73] process_backlog+0x101/0x620 [ 1929.386636][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1929.386636][ T73] net_rx_action+0x495/0xbe0 [ 1929.386636][ T73] __do_softirq+0x1b5/0x7f6 [ 1929.386636][ T73] [ 1929.389281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.389281][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.389281][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.389281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.389281][ T73] ip6_route_add+0x1c/0x140 [ 1929.389281][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1929.389281][ T73] inet6_addr_add+0x4f8/0xa40 [ 1929.389281][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.389281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.389281][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.389281][ T73] netlink_unicast+0x449/0x710 [ 1929.389281][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.389281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.389281][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.389281][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.389281][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.389281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.389281][ T73] [ 1929.392536][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.392536][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.392536][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.392536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.392536][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1929.392536][ T73] ipv6_add_addr+0x411/0x2000 [ 1929.392536][ T73] inet6_addr_add+0x30e/0xa40 [ 1929.392536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.392536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.392536][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.392536][ T73] netlink_unicast+0x449/0x710 [ 1929.392536][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.392536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.392536][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.392536][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.392536][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.392536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.392536][ T73] [ 1929.395756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.395756][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.395756][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.395756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.395756][ T73] ip6_route_add+0x1c/0x140 [ 1929.395756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.395756][ T73] addrconf_add_dev+0xe2/0x170 [ 1929.395756][ T73] inet6_addr_add+0x12f/0xa40 [ 1929.395756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.395756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.395756][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.395756][ T73] netlink_unicast+0x449/0x710 [ 1929.395756][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.395756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.395756][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.395756][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.395756][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.395756][ T73] [ 1929.398929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.398929][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1929.398929][ T73] ipv6_find_idev+0x102/0x170 [ 1929.398929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.398929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.398929][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.398929][ T73] netlink_unicast+0x449/0x710 [ 1929.398929][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.398929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.398929][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.398929][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.398929][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.398929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.398929][ T73] [ 1929.401423][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1929.401423][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1929.401423][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1929.401423][ T73] ipv6_find_idev+0x102/0x170 [ 1929.401423][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.401423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.401423][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.401423][ T73] netlink_unicast+0x449/0x710 [ 1929.401423][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.401423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.401423][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.401423][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.401423][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.401423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.401423][ T73] [ 1929.404189][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1929.404629][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.404629][ T73] dst_init+0x84/0x4a0 [ 1929.404629][ T73] dst_alloc+0x97/0x150 [ 1929.404629][ T73] ip6_dst_alloc+0x23/0x90 [ 1929.404629][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1929.404629][ T73] ip6_pol_route+0x56f/0x840 [ 1929.404629][ T73] fib6_rule_lookup+0x456/0x630 [ 1929.404629][ T73] ip6_route_input+0x59c/0xa50 [ 1929.404629][ T73] ipv6_rcv+0x397/0x810 [ 1929.404629][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1929.404629][ T73] process_backlog+0x101/0x620 [ 1929.404629][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1929.404629][ T73] net_rx_action+0x495/0xbe0 [ 1929.404629][ T73] __do_softirq+0x1b5/0x7f6 [ 1929.404629][ T73] [ 1929.407266][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.407266][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.407266][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.407266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.407266][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1929.407266][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1929.407266][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1929.407266][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1929.407266][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1929.407266][ T73] addrconf_dad_begin+0x310/0x670 [ 1929.407266][ T73] addrconf_dad_work+0x10b/0xab0 [ 1929.407266][ T73] process_one_work+0x84d/0x18a0 [ 1929.407266][ T73] worker_thread+0x587/0xd30 [ 1929.407266][ T73] kthread+0x28a/0x350 [ 1929.407266][ T73] ret_from_fork+0x31/0x70 [ 1929.407266][ T73] ret_from_fork_asm+0x1a/0x30 [ 1929.407266][ T73] [ 1929.410348][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.410348][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.410348][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.410348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.410348][ T73] ip6_route_add+0x1c/0x140 [ 1929.410348][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1929.410348][ T73] inet6_addr_add+0x4f8/0xa40 [ 1929.410348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.410348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.410348][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.410348][ T73] netlink_unicast+0x449/0x710 [ 1929.410348][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.410348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.410348][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.410348][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.410348][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.410348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.410348][ T73] [ 1929.413613][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.413613][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.413613][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.413613][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.413613][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1929.413613][ T73] ipv6_add_addr+0x411/0x2000 [ 1929.413613][ T73] inet6_addr_add+0x30e/0xa40 [ 1929.413613][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.413613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.413613][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.413613][ T73] netlink_unicast+0x449/0x710 [ 1929.413613][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.413613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.413613][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.413613][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.413613][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.413613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.413613][ T73] [ 1929.416843][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.416843][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.416843][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.416843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.416843][ T73] ip6_route_add+0x1c/0x140 [ 1929.416843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.416843][ T73] addrconf_add_dev+0xe2/0x170 [ 1929.416843][ T73] inet6_addr_add+0x12f/0xa40 [ 1929.416843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.416843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.416843][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.416843][ T73] netlink_unicast+0x449/0x710 [ 1929.416843][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.416843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.416843][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.416843][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.416843][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.416843][ T73] [ 1929.420006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.420006][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1929.420006][ T73] ipv6_find_idev+0x102/0x170 [ 1929.420006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.420006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.420006][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.420006][ T73] netlink_unicast+0x449/0x710 [ 1929.420006][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.420006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.420006][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.420006][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.420006][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.420006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.420006][ T73] [ 1929.422487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1929.422487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1929.422487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1929.422487][ T73] ipv6_find_idev+0x102/0x170 [ 1929.422487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.422487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.422487][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.422487][ T73] netlink_unicast+0x449/0x710 [ 1929.422487][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.422487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.422487][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.422487][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.422487][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.422487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.422487][ T73] [ 1929.425450][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1929.425909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.425909][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1929.425909][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1929.425909][ T73] fib6_nh_init+0xa22/0x1580 [ 1929.425909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.425909][ T73] ip6_route_add+0x1c/0x140 [ 1929.425909][ T73] inet6_rtm_newroute+0x104/0x110 [ 1929.425909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.425909][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.425909][ T73] netlink_unicast+0x449/0x710 [ 1929.425909][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.425909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.425909][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.425909][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.425909][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.425909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.425909][ T73] [ 1929.429390][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.429390][ T73] dst_init+0x84/0x4a0 [ 1929.429390][ T73] dst_alloc+0x97/0x150 [ 1929.429390][ T73] ip6_dst_alloc+0x23/0x90 [ 1929.429390][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1929.429390][ T73] ip6_pol_route+0x56f/0x840 [ 1929.429390][ T73] fib6_rule_lookup+0x456/0x630 [ 1929.429390][ T73] ip6_route_input+0x59c/0xa50 [ 1929.429390][ T73] ipv6_rcv+0x397/0x810 [ 1929.429390][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1929.429390][ T73] process_backlog+0x101/0x620 [ 1929.429390][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1929.429390][ T73] net_rx_action+0x495/0xbe0 [ 1929.429390][ T73] __do_softirq+0x1b5/0x7f6 [ 1929.429390][ T73] [ 1929.432400][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.432400][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.432400][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.432400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.432400][ T73] ip6_route_add+0x1c/0x140 [ 1929.432400][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1929.432400][ T73] inet6_addr_add+0x4f8/0xa40 [ 1929.432400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.432400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.432400][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.432400][ T73] netlink_unicast+0x449/0x710 [ 1929.432400][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.432400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.432400][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.432400][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.432400][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.432400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.432400][ T73] [ 1929.436188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.436188][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.436188][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.436188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.436188][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1929.436188][ T73] ipv6_add_addr+0x411/0x2000 [ 1929.436188][ T73] inet6_addr_add+0x30e/0xa40 [ 1929.436188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.436188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.436188][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.436188][ T73] netlink_unicast+0x449/0x710 [ 1929.436188][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.436188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.436188][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.436188][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.436188][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.436188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.436188][ T73] [ 1929.439859][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.439859][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.439859][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.439859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.439859][ T73] ip6_route_add+0x1c/0x140 [ 1929.439859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.439859][ T73] addrconf_add_dev+0xe2/0x170 [ 1929.439859][ T73] inet6_addr_add+0x12f/0xa40 [ 1929.439859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.439859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.439859][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.439859][ T73] netlink_unicast+0x449/0x710 [ 1929.439859][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.439859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.439859][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.439859][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.439859][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.439859][ T73] [ 1929.443481][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.443481][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1929.443481][ T73] ipv6_find_idev+0x102/0x170 [ 1929.443481][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.443481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.443481][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.443481][ T73] netlink_unicast+0x449/0x710 [ 1929.443481][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.443481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.443481][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.443481][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.443481][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.443481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.443481][ T73] [ 1929.446188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1929.446188][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1929.446188][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1929.446188][ T73] ipv6_find_idev+0x102/0x170 [ 1929.446188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.446188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.446188][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.446188][ T73] netlink_unicast+0x449/0x710 [ 1929.446188][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.446188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.446188][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.446188][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.446188][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.446188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.446188][ T73] [ 1929.449366][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1929.449808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1929.449808][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.449808][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.449808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.449808][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1929.449808][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1929.449808][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1929.449808][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1929.449808][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1929.449808][ T73] addrconf_dad_begin+0x310/0x670 [ 1929.449808][ T73] addrconf_dad_work+0x10b/0xab0 [ 1929.449808][ T73] process_one_work+0x84d/0x18a0 [ 1929.449808][ T73] worker_thread+0x587/0xd30 [ 1929.449808][ T73] kthread+0x28a/0x350 [ 1929.449808][ T73] ret_from_fork+0x31/0x70 [ 1929.449808][ T73] ret_from_fork_asm+0x1a/0x30 [ 1929.449808][ T73] [ 1929.454482][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1929.454482][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.454482][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.454482][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.454482][ T73] ip6_route_add+0x1c/0x140 [ 1929.454482][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1929.454482][ T73] inet6_addr_add+0x4f8/0xa40 [ 1929.454482][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.454482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.454482][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.454482][ T73] netlink_unicast+0x449/0x710 [ 1929.454482][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.454482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.454482][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.454482][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.454482][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.454482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.454482][ T73] [ 1929.458155][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1929.458155][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.458155][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.458155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.458155][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1929.458155][ T73] ipv6_add_addr+0x411/0x2000 [ 1929.458155][ T73] inet6_addr_add+0x30e/0xa40 [ 1929.458155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.458155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.458155][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.458155][ T73] netlink_unicast+0x449/0x710 [ 1929.458155][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.458155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.458155][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.458155][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.458155][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.458155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.458155][ T73] [ 1929.461710][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1929.461710][ T73] netdev_get_by_index+0x5e/0x80 [ 1929.461710][ T73] fib6_nh_init+0x3d8/0x1580 [ 1929.461710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1929.461710][ T73] ip6_route_add+0x1c/0x140 [ 1929.461710][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.461710][ T73] addrconf_add_dev+0xe2/0x170 [ 1929.461710][ T73] inet6_addr_add+0x12f/0xa40 [ 1929.461710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.461710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.461710][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.461710][ T73] netlink_unicast+0x449/0x710 [ 1929.461710][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.461710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.461710][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.461710][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.461710][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.461710][ T73] [ 1929.465320][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1929.465320][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1929.465320][ T73] ipv6_find_idev+0x102/0x170 [ 1929.465320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.465320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.465320][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.465320][ T73] netlink_unicast+0x449/0x710 [ 1929.465320][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.465320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.465320][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.465320][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.465320][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.465320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.465320][ T73] [ 1929.468245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1929.468245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1929.468245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1929.468245][ T73] ipv6_find_idev+0x102/0x170 [ 1929.468245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.468245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.468245][ T73] netlink_rcv_skb+0x130/0x360 [ 1929.468245][ T73] netlink_unicast+0x449/0x710 [ 1929.468245][ T73] netlink_sendmsg+0x723/0xbe0 [ 1929.468245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1929.468245][ T73] ___sys_sendmsg+0xee/0x170 [ 1929.468245][ T73] __sys_sendmsg+0xcd/0x170 [ 1929.468245][ T73] do_syscall_64+0xc6/0x1e0 [ 1929.468245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.468245][ T73] [ 1939.630923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1939.631413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.631413][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1939.631413][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1939.631413][ T73] fib6_nh_init+0xa22/0x1580 [ 1939.631413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.631413][ T73] ip6_route_add+0x1c/0x140 [ 1939.631413][ T73] inet6_rtm_newroute+0x104/0x110 [ 1939.631413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.631413][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.631413][ T73] netlink_unicast+0x449/0x710 [ 1939.631413][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.631413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.631413][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.631413][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.631413][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.631413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.631413][ T73] [ 1939.633753][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.633753][ T73] dst_init+0x84/0x4a0 [ 1939.633753][ T73] dst_alloc+0x97/0x150 [ 1939.633753][ T73] ip6_dst_alloc+0x23/0x90 [ 1939.633753][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1939.633753][ T73] ip6_pol_route+0x56f/0x840 [ 1939.633753][ T73] fib6_rule_lookup+0x456/0x630 [ 1939.633753][ T73] ip6_route_input+0x59c/0xa50 [ 1939.633753][ T73] ipv6_rcv+0x397/0x810 [ 1939.633753][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1939.633753][ T73] process_backlog+0x101/0x620 [ 1939.633753][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1939.633753][ T73] net_rx_action+0x495/0xbe0 [ 1939.633753][ T73] __do_softirq+0x1b5/0x7f6 [ 1939.633753][ T73] [ 1939.636155][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.636155][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.636155][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.636155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.636155][ T73] ip6_route_add+0x1c/0x140 [ 1939.636155][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1939.636155][ T73] inet6_addr_add+0x4f8/0xa40 [ 1939.636155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.636155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.636155][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.636155][ T73] netlink_unicast+0x449/0x710 [ 1939.636155][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.636155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.636155][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.636155][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.636155][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.636155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.636155][ T73] [ 1939.640537][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.640537][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.640537][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.640537][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.640537][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1939.640537][ T73] ipv6_add_addr+0x411/0x2000 [ 1939.640537][ T73] inet6_addr_add+0x30e/0xa40 [ 1939.640537][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.640537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.640537][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.640537][ T73] netlink_unicast+0x449/0x710 [ 1939.640537][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.640537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.640537][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.640537][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.640537][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.640537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.640537][ T73] [ 1939.643123][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.643123][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.643123][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.643123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.643123][ T73] ip6_route_add+0x1c/0x140 [ 1939.643123][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.643123][ T73] addrconf_add_dev+0xe2/0x170 [ 1939.643123][ T73] inet6_addr_add+0x12f/0xa40 [ 1939.643123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.643123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.643123][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.643123][ T73] netlink_unicast+0x449/0x710 [ 1939.643123][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.643123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.643123][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.643123][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.643123][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.643123][ T73] [ 1939.645752][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.645752][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1939.645752][ T73] ipv6_find_idev+0x102/0x170 [ 1939.645752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.645752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.645752][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.645752][ T73] netlink_unicast+0x449/0x710 [ 1939.645752][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.645752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.645752][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.645752][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.645752][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.645752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.645752][ T73] [ 1939.648040][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1939.648040][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1939.648040][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1939.648040][ T73] ipv6_find_idev+0x102/0x170 [ 1939.648040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.648040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.648040][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.648040][ T73] netlink_unicast+0x449/0x710 [ 1939.648040][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.648040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.648040][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.648040][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.648040][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.648040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.648040][ T73] [ 1939.651044][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1939.651521][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.651521][ T73] dst_init+0x84/0x4a0 [ 1939.651521][ T73] dst_alloc+0x97/0x150 [ 1939.651521][ T73] ip6_dst_alloc+0x23/0x90 [ 1939.651521][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1939.651521][ T73] ip6_pol_route+0x56f/0x840 [ 1939.651521][ T73] fib6_rule_lookup+0x456/0x630 [ 1939.651521][ T73] ip6_route_input+0x59c/0xa50 [ 1939.651521][ T73] ipv6_rcv+0x397/0x810 [ 1939.651521][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1939.651521][ T73] process_backlog+0x101/0x620 [ 1939.651521][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1939.651521][ T73] net_rx_action+0x495/0xbe0 [ 1939.651521][ T73] __do_softirq+0x1b5/0x7f6 [ 1939.651521][ T73] [ 1939.654398][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.654398][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.654398][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.654398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.654398][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1939.654398][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1939.654398][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1939.654398][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1939.654398][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1939.654398][ T73] addrconf_dad_begin+0x310/0x670 [ 1939.654398][ T73] addrconf_dad_work+0x10b/0xab0 [ 1939.654398][ T73] process_one_work+0x84d/0x18a0 [ 1939.654398][ T73] worker_thread+0x587/0xd30 [ 1939.654398][ T73] kthread+0x28a/0x350 [ 1939.654398][ T73] ret_from_fork+0x31/0x70 [ 1939.654398][ T73] ret_from_fork_asm+0x1a/0x30 [ 1939.654398][ T73] [ 1939.657708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.657708][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.657708][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.657708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.657708][ T73] ip6_route_add+0x1c/0x140 [ 1939.657708][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1939.657708][ T73] inet6_addr_add+0x4f8/0xa40 [ 1939.657708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.657708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.657708][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.657708][ T73] netlink_unicast+0x449/0x710 [ 1939.657708][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.657708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.657708][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.657708][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.657708][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.657708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.657708][ T73] [ 1939.661715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.661715][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.661715][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.661715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.661715][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1939.661715][ T73] ipv6_add_addr+0x411/0x2000 [ 1939.661715][ T73] inet6_addr_add+0x30e/0xa40 [ 1939.661715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.661715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.661715][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.661715][ T73] netlink_unicast+0x449/0x710 [ 1939.661715][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.661715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.661715][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.661715][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.661715][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.661715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.661715][ T73] [ 1939.665238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.665238][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.665238][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.665238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.665238][ T73] ip6_route_add+0x1c/0x140 [ 1939.665238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.665238][ T73] addrconf_add_dev+0xe2/0x170 [ 1939.665238][ T73] inet6_addr_add+0x12f/0xa40 [ 1939.665238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.665238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.665238][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.665238][ T73] netlink_unicast+0x449/0x710 [ 1939.665238][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.665238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.665238][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.665238][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.665238][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.665238][ T73] [ 1939.667656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.667656][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1939.667656][ T73] ipv6_find_idev+0x102/0x170 [ 1939.667656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.667656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.667656][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.667656][ T73] netlink_unicast+0x449/0x710 [ 1939.667656][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.667656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.667656][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.667656][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.667656][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.667656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.667656][ T73] [ 1939.669479][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1939.669479][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1939.669479][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1939.669479][ T73] ipv6_find_idev+0x102/0x170 [ 1939.669479][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.669479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.669479][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.669479][ T73] netlink_unicast+0x449/0x710 [ 1939.669479][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.669479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.669479][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.669479][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.669479][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.669479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.669479][ T73] [ 1939.671589][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1939.671913][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.671913][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1939.671913][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1939.671913][ T73] fib6_nh_init+0xa22/0x1580 [ 1939.671913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.671913][ T73] ip6_route_add+0x1c/0x140 [ 1939.671913][ T73] inet6_rtm_newroute+0x104/0x110 [ 1939.671913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.671913][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.671913][ T73] netlink_unicast+0x449/0x710 [ 1939.671913][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.671913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.671913][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.671913][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.671913][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.671913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.671913][ T73] [ 1939.674421][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.674421][ T73] dst_init+0x84/0x4a0 [ 1939.674421][ T73] dst_alloc+0x97/0x150 [ 1939.674421][ T73] ip6_dst_alloc+0x23/0x90 [ 1939.674421][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1939.674421][ T73] ip6_pol_route+0x56f/0x840 [ 1939.674421][ T73] fib6_rule_lookup+0x456/0x630 [ 1939.674421][ T73] ip6_route_input+0x59c/0xa50 [ 1939.674421][ T73] ipv6_rcv+0x397/0x810 [ 1939.674421][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1939.674421][ T73] process_backlog+0x101/0x620 [ 1939.674421][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1939.674421][ T73] net_rx_action+0x495/0xbe0 [ 1939.674421][ T73] __do_softirq+0x1b5/0x7f6 [ 1939.674421][ T73] [ 1939.676507][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.676507][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.676507][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.676507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.676507][ T73] ip6_route_add+0x1c/0x140 [ 1939.676507][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1939.676507][ T73] inet6_addr_add+0x4f8/0xa40 [ 1939.676507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.676507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.676507][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.676507][ T73] netlink_unicast+0x449/0x710 [ 1939.676507][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.676507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.676507][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.676507][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.676507][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.676507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.676507][ T73] [ 1939.679016][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.679016][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.679016][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.679016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.679016][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1939.679016][ T73] ipv6_add_addr+0x411/0x2000 [ 1939.679016][ T73] inet6_addr_add+0x30e/0xa40 [ 1939.679016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.679016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.679016][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.679016][ T73] netlink_unicast+0x449/0x710 [ 1939.679016][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.679016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.679016][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.679016][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.679016][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.679016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.679016][ T73] [ 1939.681585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.681585][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.681585][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.681585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.681585][ T73] ip6_route_add+0x1c/0x140 [ 1939.681585][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.681585][ T73] addrconf_add_dev+0xe2/0x170 [ 1939.681585][ T73] inet6_addr_add+0x12f/0xa40 [ 1939.681585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.681585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.681585][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.681585][ T73] netlink_unicast+0x449/0x710 [ 1939.681585][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.681585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.681585][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.681585][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.681585][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.681585][ T73] [ 1939.684160][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.684160][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1939.684160][ T73] ipv6_find_idev+0x102/0x170 [ 1939.684160][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.684160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.684160][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.684160][ T73] netlink_unicast+0x449/0x710 [ 1939.684160][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.684160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.684160][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.684160][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.684160][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.684160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.684160][ T73] [ 1939.686098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1939.686098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1939.686098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1939.686098][ T73] ipv6_find_idev+0x102/0x170 [ 1939.686098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.686098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.686098][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.686098][ T73] netlink_unicast+0x449/0x710 [ 1939.686098][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.686098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.686098][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.686098][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.686098][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.686098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.686098][ T73] [ 1939.688181][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1939.688558][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1939.688558][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.688558][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.688558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.688558][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1939.688558][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1939.688558][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1939.688558][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1939.688558][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1939.688558][ T73] addrconf_dad_begin+0x310/0x670 [ 1939.688558][ T73] addrconf_dad_work+0x10b/0xab0 [ 1939.688558][ T73] process_one_work+0x84d/0x18a0 [ 1939.688558][ T73] worker_thread+0x587/0xd30 [ 1939.688558][ T73] kthread+0x28a/0x350 [ 1939.688558][ T73] ret_from_fork+0x31/0x70 [ 1939.688558][ T73] ret_from_fork_asm+0x1a/0x30 [ 1939.688558][ T73] [ 1939.690949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1939.690949][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.690949][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.690949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.690949][ T73] ip6_route_add+0x1c/0x140 [ 1939.690949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1939.690949][ T73] inet6_addr_add+0x4f8/0xa40 [ 1939.690949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.690949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.690949][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.690949][ T73] netlink_unicast+0x449/0x710 [ 1939.690949][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.690949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.690949][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.690949][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.690949][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.690949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.690949][ T73] [ 1939.693465][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1939.693465][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.693465][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.693465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.693465][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1939.693465][ T73] ipv6_add_addr+0x411/0x2000 [ 1939.693465][ T73] inet6_addr_add+0x30e/0xa40 [ 1939.693465][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.693465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.693465][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.693465][ T73] netlink_unicast+0x449/0x710 [ 1939.693465][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.693465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.693465][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.693465][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.693465][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.693465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.693465][ T73] [ 1939.696383][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1939.696383][ T73] netdev_get_by_index+0x5e/0x80 [ 1939.696383][ T73] fib6_nh_init+0x3d8/0x1580 [ 1939.696383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1939.696383][ T73] ip6_route_add+0x1c/0x140 [ 1939.696383][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.696383][ T73] addrconf_add_dev+0xe2/0x170 [ 1939.696383][ T73] inet6_addr_add+0x12f/0xa40 [ 1939.696383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.696383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.696383][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.696383][ T73] netlink_unicast+0x449/0x710 [ 1939.696383][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.696383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.696383][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.696383][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.696383][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.696383][ T73] [ 1939.699232][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1939.699232][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1939.699232][ T73] ipv6_find_idev+0x102/0x170 [ 1939.699232][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.699232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.699232][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.699232][ T73] netlink_unicast+0x449/0x710 [ 1939.699232][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.699232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.699232][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.699232][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.699232][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.699232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.699232][ T73] [ 1939.701480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1939.701480][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1939.701480][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1939.701480][ T73] ipv6_find_idev+0x102/0x170 [ 1939.701480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.701480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.701480][ T73] netlink_rcv_skb+0x130/0x360 [ 1939.701480][ T73] netlink_unicast+0x449/0x710 [ 1939.701480][ T73] netlink_sendmsg+0x723/0xbe0 [ 1939.701480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1939.701480][ T73] ___sys_sendmsg+0xee/0x170 [ 1939.701480][ T73] __sys_sendmsg+0xcd/0x170 [ 1939.701480][ T73] do_syscall_64+0xc6/0x1e0 [ 1939.701480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.701480][ T73] [ 1949.958838][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1949.959311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.959311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1949.959311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1949.959311][ T73] fib6_nh_init+0xa22/0x1580 [ 1949.959311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.959311][ T73] ip6_route_add+0x1c/0x140 [ 1949.959311][ T73] inet6_rtm_newroute+0x104/0x110 [ 1949.959311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.959311][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.959311][ T73] netlink_unicast+0x449/0x710 [ 1949.959311][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.959311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.959311][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.959311][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.959311][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.959311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.959311][ T73] [ 1949.961317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.961317][ T73] dst_init+0x84/0x4a0 [ 1949.961317][ T73] dst_alloc+0x97/0x150 [ 1949.961317][ T73] ip6_dst_alloc+0x23/0x90 [ 1949.961317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1949.961317][ T73] ip6_pol_route+0x56f/0x840 [ 1949.961317][ T73] fib6_rule_lookup+0x456/0x630 [ 1949.961317][ T73] ip6_route_input+0x59c/0xa50 [ 1949.961317][ T73] ipv6_rcv+0x397/0x810 [ 1949.961317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1949.961317][ T73] process_backlog+0x101/0x620 [ 1949.961317][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1949.961317][ T73] net_rx_action+0x495/0xbe0 [ 1949.961317][ T73] __do_softirq+0x1b5/0x7f6 [ 1949.961317][ T73] [ 1949.962954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.962954][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.962954][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.962954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.962954][ T73] ip6_route_add+0x1c/0x140 [ 1949.962954][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1949.962954][ T73] inet6_addr_add+0x4f8/0xa40 [ 1949.962954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.962954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.962954][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.962954][ T73] netlink_unicast+0x449/0x710 [ 1949.962954][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.962954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.962954][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.962954][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.962954][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.962954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.962954][ T73] [ 1949.964936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.964936][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.964936][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.964936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.964936][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1949.964936][ T73] ipv6_add_addr+0x411/0x2000 [ 1949.964936][ T73] inet6_addr_add+0x30e/0xa40 [ 1949.964936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.964936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.964936][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.964936][ T73] netlink_unicast+0x449/0x710 [ 1949.964936][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.964936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.964936][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.964936][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.964936][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.964936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.964936][ T73] [ 1949.966939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.966939][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.966939][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.966939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.966939][ T73] ip6_route_add+0x1c/0x140 [ 1949.966939][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.966939][ T73] addrconf_add_dev+0xe2/0x170 [ 1949.966939][ T73] inet6_addr_add+0x12f/0xa40 [ 1949.966939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.966939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.966939][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.966939][ T73] netlink_unicast+0x449/0x710 [ 1949.966939][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.966939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.966939][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.966939][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.966939][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.966939][ T73] [ 1949.968903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.968903][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1949.968903][ T73] ipv6_find_idev+0x102/0x170 [ 1949.968903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.968903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.968903][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.968903][ T73] netlink_unicast+0x449/0x710 [ 1949.968903][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.968903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.968903][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.968903][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.968903][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.968903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.968903][ T73] [ 1949.970443][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1949.970443][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1949.970443][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1949.970443][ T73] ipv6_find_idev+0x102/0x170 [ 1949.970443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.970443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.970443][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.970443][ T73] netlink_unicast+0x449/0x710 [ 1949.970443][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.970443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.970443][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.970443][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.970443][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.970443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.970443][ T73] [ 1949.972144][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1949.972429][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.972429][ T73] dst_init+0x84/0x4a0 [ 1949.972429][ T73] dst_alloc+0x97/0x150 [ 1949.972429][ T73] ip6_dst_alloc+0x23/0x90 [ 1949.972429][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1949.972429][ T73] ip6_pol_route+0x56f/0x840 [ 1949.972429][ T73] fib6_rule_lookup+0x456/0x630 [ 1949.972429][ T73] ip6_route_input+0x59c/0xa50 [ 1949.972429][ T73] ipv6_rcv+0x397/0x810 [ 1949.972429][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1949.972429][ T73] process_backlog+0x101/0x620 [ 1949.972429][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1949.972429][ T73] net_rx_action+0x495/0xbe0 [ 1949.972429][ T73] __do_softirq+0x1b5/0x7f6 [ 1949.972429][ T73] [ 1949.974069][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.974069][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.974069][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.974069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.974069][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1949.974069][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1949.974069][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1949.974069][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1949.974069][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1949.974069][ T73] addrconf_dad_begin+0x310/0x670 [ 1949.974069][ T73] addrconf_dad_work+0x10b/0xab0 [ 1949.974069][ T73] process_one_work+0x84d/0x18a0 [ 1949.974069][ T73] worker_thread+0x587/0xd30 [ 1949.974069][ T73] kthread+0x28a/0x350 [ 1949.974069][ T73] ret_from_fork+0x31/0x70 [ 1949.974069][ T73] ret_from_fork_asm+0x1a/0x30 [ 1949.974069][ T73] [ 1949.975967][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.975967][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.975967][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.975967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.975967][ T73] ip6_route_add+0x1c/0x140 [ 1949.975967][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1949.975967][ T73] inet6_addr_add+0x4f8/0xa40 [ 1949.975967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.975967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.975967][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.975967][ T73] netlink_unicast+0x449/0x710 [ 1949.975967][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.975967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.975967][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.975967][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.975967][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.975967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.975967][ T73] [ 1949.977972][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.977972][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.977972][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.977972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.977972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1949.977972][ T73] ipv6_add_addr+0x411/0x2000 [ 1949.977972][ T73] inet6_addr_add+0x30e/0xa40 [ 1949.977972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.977972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.977972][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.977972][ T73] netlink_unicast+0x449/0x710 [ 1949.977972][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.977972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.977972][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.977972][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.977972][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.977972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.977972][ T73] [ 1949.980354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.980354][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.980354][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.980354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.980354][ T73] ip6_route_add+0x1c/0x140 [ 1949.980354][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.980354][ T73] addrconf_add_dev+0xe2/0x170 [ 1949.980354][ T73] inet6_addr_add+0x12f/0xa40 [ 1949.980354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.980354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.980354][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.980354][ T73] netlink_unicast+0x449/0x710 [ 1949.980354][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.980354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.980354][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.980354][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.980354][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.980354][ T73] [ 1949.982316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.982316][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1949.982316][ T73] ipv6_find_idev+0x102/0x170 [ 1949.982316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.982316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.982316][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.982316][ T73] netlink_unicast+0x449/0x710 [ 1949.982316][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.982316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.982316][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.982316][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.982316][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.982316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.982316][ T73] [ 1949.983842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1949.983842][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1949.983842][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1949.983842][ T73] ipv6_find_idev+0x102/0x170 [ 1949.983842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.983842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.983842][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.983842][ T73] netlink_unicast+0x449/0x710 [ 1949.983842][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.983842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.983842][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.983842][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.983842][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.983842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.983842][ T73] [ 1949.985590][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1949.985871][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.985871][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1949.985871][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1949.985871][ T73] fib6_nh_init+0xa22/0x1580 [ 1949.985871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.985871][ T73] ip6_route_add+0x1c/0x140 [ 1949.985871][ T73] inet6_rtm_newroute+0x104/0x110 [ 1949.985871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.985871][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.985871][ T73] netlink_unicast+0x449/0x710 [ 1949.985871][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.985871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.985871][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.985871][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.985871][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.985871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.985871][ T73] [ 1949.987940][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.987940][ T73] dst_init+0x84/0x4a0 [ 1949.987940][ T73] dst_alloc+0x97/0x150 [ 1949.987940][ T73] ip6_dst_alloc+0x23/0x90 [ 1949.987940][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1949.987940][ T73] ip6_pol_route+0x56f/0x840 [ 1949.987940][ T73] fib6_rule_lookup+0x456/0x630 [ 1949.987940][ T73] ip6_route_input+0x59c/0xa50 [ 1949.987940][ T73] ipv6_rcv+0x397/0x810 [ 1949.987940][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1949.987940][ T73] process_backlog+0x101/0x620 [ 1949.987940][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1949.987940][ T73] net_rx_action+0x495/0xbe0 [ 1949.987940][ T73] __do_softirq+0x1b5/0x7f6 [ 1949.987940][ T73] [ 1949.989641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.989641][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.989641][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.989641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.989641][ T73] ip6_route_add+0x1c/0x140 [ 1949.989641][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1949.989641][ T73] inet6_addr_add+0x4f8/0xa40 [ 1949.989641][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.989641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.989641][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.989641][ T73] netlink_unicast+0x449/0x710 [ 1949.989641][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.989641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.989641][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.989641][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.989641][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.989641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.989641][ T73] [ 1949.991821][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.991821][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.991821][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.991821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.991821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1949.991821][ T73] ipv6_add_addr+0x411/0x2000 [ 1949.991821][ T73] inet6_addr_add+0x30e/0xa40 [ 1949.991821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.991821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.991821][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.991821][ T73] netlink_unicast+0x449/0x710 [ 1949.991821][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.991821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.991821][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.991821][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.991821][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.991821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.991821][ T73] [ 1949.993971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.993971][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.993971][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.993971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.993971][ T73] ip6_route_add+0x1c/0x140 [ 1949.993971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.993971][ T73] addrconf_add_dev+0xe2/0x170 [ 1949.993971][ T73] inet6_addr_add+0x12f/0xa40 [ 1949.993971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.993971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.993971][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.993971][ T73] netlink_unicast+0x449/0x710 [ 1949.993971][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.993971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.993971][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.993971][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.993971][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.993971][ T73] [ 1949.996061][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.996061][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1949.996061][ T73] ipv6_find_idev+0x102/0x170 [ 1949.996061][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.996061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.996061][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.996061][ T73] netlink_unicast+0x449/0x710 [ 1949.996061][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.996061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.996061][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.996061][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.996061][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.996061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.996061][ T73] [ 1949.997656][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1949.997656][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1949.997656][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1949.997656][ T73] ipv6_find_idev+0x102/0x170 [ 1949.997656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.997656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.997656][ T73] netlink_rcv_skb+0x130/0x360 [ 1949.997656][ T73] netlink_unicast+0x449/0x710 [ 1949.997656][ T73] netlink_sendmsg+0x723/0xbe0 [ 1949.997656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1949.997656][ T73] ___sys_sendmsg+0xee/0x170 [ 1949.997656][ T73] __sys_sendmsg+0xcd/0x170 [ 1949.997656][ T73] do_syscall_64+0xc6/0x1e0 [ 1949.997656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.997656][ T73] [ 1949.999483][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1949.999761][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1949.999761][ T73] netdev_get_by_index+0x5e/0x80 [ 1949.999761][ T73] fib6_nh_init+0x3d8/0x1580 [ 1949.999761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1949.999761][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1949.999761][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1949.999761][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1949.999761][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1949.999761][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1949.999761][ T73] addrconf_dad_begin+0x310/0x670 [ 1949.999761][ T73] addrconf_dad_work+0x10b/0xab0 [ 1949.999761][ T73] process_one_work+0x84d/0x18a0 [ 1949.999761][ T73] worker_thread+0x587/0xd30 [ 1949.999761][ T73] kthread+0x28a/0x350 [ 1949.999761][ T73] ret_from_fork+0x31/0x70 [ 1949.999761][ T73] ret_from_fork_asm+0x1a/0x30 [ 1949.999761][ T73] [ 1950.001814][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1950.001814][ T73] netdev_get_by_index+0x5e/0x80 [ 1950.001814][ T73] fib6_nh_init+0x3d8/0x1580 [ 1950.001814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1950.001814][ T73] ip6_route_add+0x1c/0x140 [ 1950.001814][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1950.001814][ T73] inet6_addr_add+0x4f8/0xa40 [ 1950.001814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.001814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.001814][ T73] netlink_rcv_skb+0x130/0x360 [ 1950.001814][ T73] netlink_unicast+0x449/0x710 [ 1950.001814][ T73] netlink_sendmsg+0x723/0xbe0 [ 1950.001814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1950.001814][ T73] ___sys_sendmsg+0xee/0x170 [ 1950.001814][ T73] __sys_sendmsg+0xcd/0x170 [ 1950.001814][ T73] do_syscall_64+0xc6/0x1e0 [ 1950.001814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.001814][ T73] [ 1950.003945][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1950.003945][ T73] netdev_get_by_index+0x5e/0x80 [ 1950.003945][ T73] fib6_nh_init+0x3d8/0x1580 [ 1950.003945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1950.003945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1950.003945][ T73] ipv6_add_addr+0x411/0x2000 [ 1950.003945][ T73] inet6_addr_add+0x30e/0xa40 [ 1950.003945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.003945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.003945][ T73] netlink_rcv_skb+0x130/0x360 [ 1950.003945][ T73] netlink_unicast+0x449/0x710 [ 1950.003945][ T73] netlink_sendmsg+0x723/0xbe0 [ 1950.003945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1950.003945][ T73] ___sys_sendmsg+0xee/0x170 [ 1950.003945][ T73] __sys_sendmsg+0xcd/0x170 [ 1950.003945][ T73] do_syscall_64+0xc6/0x1e0 [ 1950.003945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.003945][ T73] [ 1950.006054][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1950.006054][ T73] netdev_get_by_index+0x5e/0x80 [ 1950.006054][ T73] fib6_nh_init+0x3d8/0x1580 [ 1950.006054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1950.006054][ T73] ip6_route_add+0x1c/0x140 [ 1950.006054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1950.006054][ T73] addrconf_add_dev+0xe2/0x170 [ 1950.006054][ T73] inet6_addr_add+0x12f/0xa40 [ 1950.006054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.006054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.006054][ T73] netlink_rcv_skb+0x130/0x360 [ 1950.006054][ T73] netlink_unicast+0x449/0x710 [ 1950.006054][ T73] netlink_sendmsg+0x723/0xbe0 [ 1950.006054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1950.006054][ T73] ___sys_sendmsg+0xee/0x170 [ 1950.006054][ T73] __sys_sendmsg+0xcd/0x170 [ 1950.006054][ T73] do_syscall_64+0xc6/0x1e0 [ 1950.006054][ T73] [ 1950.008310][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1950.008310][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1950.008310][ T73] ipv6_find_idev+0x102/0x170 [ 1950.008310][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.008310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.008310][ T73] netlink_rcv_skb+0x130/0x360 [ 1950.008310][ T73] netlink_unicast+0x449/0x710 [ 1950.008310][ T73] netlink_sendmsg+0x723/0xbe0 [ 1950.008310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1950.008310][ T73] ___sys_sendmsg+0xee/0x170 [ 1950.008310][ T73] __sys_sendmsg+0xcd/0x170 [ 1950.008310][ T73] do_syscall_64+0xc6/0x1e0 [ 1950.008310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.008310][ T73] [ 1950.009927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1950.009927][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1950.009927][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1950.009927][ T73] ipv6_find_idev+0x102/0x170 [ 1950.009927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.009927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.009927][ T73] netlink_rcv_skb+0x130/0x360 [ 1950.009927][ T73] netlink_unicast+0x449/0x710 [ 1950.009927][ T73] netlink_sendmsg+0x723/0xbe0 [ 1950.009927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1950.009927][ T73] ___sys_sendmsg+0xee/0x170 [ 1950.009927][ T73] __sys_sendmsg+0xcd/0x170 [ 1950.009927][ T73] do_syscall_64+0xc6/0x1e0 [ 1950.009927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.009927][ T73] [ 1960.094964][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1960.095399][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.095399][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1960.095399][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1960.095399][ T73] fib6_nh_init+0xa22/0x1580 [ 1960.095399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.095399][ T73] ip6_route_add+0x1c/0x140 [ 1960.095399][ T73] inet6_rtm_newroute+0x104/0x110 [ 1960.095399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.095399][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.095399][ T73] netlink_unicast+0x449/0x710 [ 1960.095399][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.095399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.095399][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.095399][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.095399][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.095399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.095399][ T73] [ 1960.097298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.097298][ T73] dst_init+0x84/0x4a0 [ 1960.097298][ T73] dst_alloc+0x97/0x150 [ 1960.097298][ T73] ip6_dst_alloc+0x23/0x90 [ 1960.097298][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1960.097298][ T73] ip6_pol_route+0x56f/0x840 [ 1960.097298][ T73] fib6_rule_lookup+0x456/0x630 [ 1960.097298][ T73] ip6_route_input+0x59c/0xa50 [ 1960.097298][ T73] ipv6_rcv+0x397/0x810 [ 1960.097298][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1960.097298][ T73] process_backlog+0x101/0x620 [ 1960.097298][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1960.097298][ T73] net_rx_action+0x495/0xbe0 [ 1960.097298][ T73] __do_softirq+0x1b5/0x7f6 [ 1960.097298][ T73] [ 1960.098929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.098929][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.098929][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.098929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.098929][ T73] ip6_route_add+0x1c/0x140 [ 1960.098929][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1960.098929][ T73] inet6_addr_add+0x4f8/0xa40 [ 1960.098929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.098929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.098929][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.098929][ T73] netlink_unicast+0x449/0x710 [ 1960.098929][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.098929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.098929][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.098929][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.098929][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.098929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.098929][ T73] [ 1960.100997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.100997][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.100997][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.100997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.100997][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1960.100997][ T73] ipv6_add_addr+0x411/0x2000 [ 1960.100997][ T73] inet6_addr_add+0x30e/0xa40 [ 1960.100997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.100997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.100997][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.100997][ T73] netlink_unicast+0x449/0x710 [ 1960.100997][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.100997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.100997][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.100997][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.100997][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.100997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.100997][ T73] [ 1960.102987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.102987][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.102987][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.102987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.102987][ T73] ip6_route_add+0x1c/0x140 [ 1960.102987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.102987][ T73] addrconf_add_dev+0xe2/0x170 [ 1960.102987][ T73] inet6_addr_add+0x12f/0xa40 [ 1960.102987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.102987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.102987][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.102987][ T73] netlink_unicast+0x449/0x710 [ 1960.102987][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.102987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.102987][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.102987][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.102987][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.102987][ T73] [ 1960.104938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.104938][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1960.104938][ T73] ipv6_find_idev+0x102/0x170 [ 1960.104938][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.104938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.104938][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.104938][ T73] netlink_unicast+0x449/0x710 [ 1960.104938][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.104938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.104938][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.104938][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.104938][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.104938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.104938][ T73] [ 1960.106468][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1960.106468][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1960.106468][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1960.106468][ T73] ipv6_find_idev+0x102/0x170 [ 1960.106468][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.106468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.106468][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.106468][ T73] netlink_unicast+0x449/0x710 [ 1960.106468][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.106468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.106468][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.106468][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.106468][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.106468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.106468][ T73] [ 1960.108159][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1960.108430][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.108430][ T73] dst_init+0x84/0x4a0 [ 1960.108430][ T73] dst_alloc+0x97/0x150 [ 1960.108430][ T73] ip6_dst_alloc+0x23/0x90 [ 1960.108430][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1960.108430][ T73] ip6_pol_route+0x56f/0x840 [ 1960.108430][ T73] fib6_rule_lookup+0x456/0x630 [ 1960.108430][ T73] ip6_route_input+0x59c/0xa50 [ 1960.108430][ T73] ipv6_rcv+0x397/0x810 [ 1960.108430][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1960.108430][ T73] process_backlog+0x101/0x620 [ 1960.108430][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1960.108430][ T73] net_rx_action+0x495/0xbe0 [ 1960.108430][ T73] __do_softirq+0x1b5/0x7f6 [ 1960.108430][ T73] [ 1960.110059][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.110059][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.110059][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.110059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.110059][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1960.110059][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1960.110059][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1960.110059][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1960.110059][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1960.110059][ T73] addrconf_dad_begin+0x310/0x670 [ 1960.110059][ T73] addrconf_dad_work+0x10b/0xab0 [ 1960.110059][ T73] process_one_work+0x84d/0x18a0 [ 1960.110059][ T73] worker_thread+0x587/0xd30 [ 1960.110059][ T73] kthread+0x28a/0x350 [ 1960.110059][ T73] ret_from_fork+0x31/0x70 [ 1960.110059][ T73] ret_from_fork_asm+0x1a/0x30 [ 1960.110059][ T73] [ 1960.111952][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.111952][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.111952][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.111952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.111952][ T73] ip6_route_add+0x1c/0x140 [ 1960.111952][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1960.111952][ T73] inet6_addr_add+0x4f8/0xa40 [ 1960.111952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.111952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.111952][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.111952][ T73] netlink_unicast+0x449/0x710 [ 1960.111952][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.111952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.111952][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.111952][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.111952][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.111952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.111952][ T73] [ 1960.113933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.113933][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.113933][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.113933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.113933][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1960.113933][ T73] ipv6_add_addr+0x411/0x2000 [ 1960.113933][ T73] inet6_addr_add+0x30e/0xa40 [ 1960.113933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.113933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.113933][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.113933][ T73] netlink_unicast+0x449/0x710 [ 1960.113933][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.113933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.113933][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.113933][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.113933][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.113933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.113933][ T73] [ 1960.115901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.115901][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.115901][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.115901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.115901][ T73] ip6_route_add+0x1c/0x140 [ 1960.115901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.115901][ T73] addrconf_add_dev+0xe2/0x170 [ 1960.115901][ T73] inet6_addr_add+0x12f/0xa40 [ 1960.115901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.115901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.115901][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.115901][ T73] netlink_unicast+0x449/0x710 [ 1960.115901][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.115901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.115901][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.115901][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.115901][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.115901][ T73] [ 1960.117851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.117851][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1960.117851][ T73] ipv6_find_idev+0x102/0x170 [ 1960.117851][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.117851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.117851][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.117851][ T73] netlink_unicast+0x449/0x710 [ 1960.117851][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.117851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.117851][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.117851][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.117851][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.117851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.117851][ T73] [ 1960.119384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1960.119384][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1960.119384][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1960.119384][ T73] ipv6_find_idev+0x102/0x170 [ 1960.119384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.119384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.119384][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.119384][ T73] netlink_unicast+0x449/0x710 [ 1960.119384][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.119384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.119384][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.119384][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.119384][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.119384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.119384][ T73] [ 1960.121180][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1960.121458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.121458][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1960.121458][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1960.121458][ T73] fib6_nh_init+0xa22/0x1580 [ 1960.121458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.121458][ T73] ip6_route_add+0x1c/0x140 [ 1960.121458][ T73] inet6_rtm_newroute+0x104/0x110 [ 1960.121458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.121458][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.121458][ T73] netlink_unicast+0x449/0x710 [ 1960.121458][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.121458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.121458][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.121458][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.121458][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.121458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.121458][ T73] [ 1960.123552][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.123552][ T73] dst_init+0x84/0x4a0 [ 1960.123552][ T73] dst_alloc+0x97/0x150 [ 1960.123552][ T73] ip6_dst_alloc+0x23/0x90 [ 1960.123552][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1960.123552][ T73] ip6_pol_route+0x56f/0x840 [ 1960.123552][ T73] fib6_rule_lookup+0x456/0x630 [ 1960.123552][ T73] ip6_route_input+0x59c/0xa50 [ 1960.123552][ T73] ipv6_rcv+0x397/0x810 [ 1960.123552][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1960.123552][ T73] process_backlog+0x101/0x620 [ 1960.123552][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1960.123552][ T73] net_rx_action+0x495/0xbe0 [ 1960.123552][ T73] __do_softirq+0x1b5/0x7f6 [ 1960.123552][ T73] [ 1960.125344][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.125344][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.125344][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.125344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.125344][ T73] ip6_route_add+0x1c/0x140 [ 1960.125344][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1960.125344][ T73] inet6_addr_add+0x4f8/0xa40 [ 1960.125344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.125344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.125344][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.125344][ T73] netlink_unicast+0x449/0x710 [ 1960.125344][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.125344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.125344][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.125344][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.125344][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.125344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.125344][ T73] [ 1960.127617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.127617][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.127617][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.127617][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.127617][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1960.127617][ T73] ipv6_add_addr+0x411/0x2000 [ 1960.127617][ T73] inet6_addr_add+0x30e/0xa40 [ 1960.127617][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.127617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.127617][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.127617][ T73] netlink_unicast+0x449/0x710 [ 1960.127617][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.127617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.127617][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.127617][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.127617][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.127617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.127617][ T73] [ 1960.129766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.129766][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.129766][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.129766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.129766][ T73] ip6_route_add+0x1c/0x140 [ 1960.129766][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.129766][ T73] addrconf_add_dev+0xe2/0x170 [ 1960.129766][ T73] inet6_addr_add+0x12f/0xa40 [ 1960.129766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.129766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.129766][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.129766][ T73] netlink_unicast+0x449/0x710 [ 1960.129766][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.129766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.129766][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.129766][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.129766][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.129766][ T73] [ 1960.131950][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.131950][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1960.131950][ T73] ipv6_find_idev+0x102/0x170 [ 1960.131950][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.131950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.131950][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.131950][ T73] netlink_unicast+0x449/0x710 [ 1960.131950][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.131950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.131950][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.131950][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.131950][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.131950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.131950][ T73] [ 1960.133651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1960.133651][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1960.133651][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1960.133651][ T73] ipv6_find_idev+0x102/0x170 [ 1960.133651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.133651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.133651][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.133651][ T73] netlink_unicast+0x449/0x710 [ 1960.133651][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.133651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.133651][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.133651][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.133651][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.133651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.133651][ T73] [ 1960.135615][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1960.136325][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1960.136325][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.136325][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.136325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.136325][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1960.136325][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1960.136325][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1960.136325][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1960.136325][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1960.136325][ T73] addrconf_dad_begin+0x310/0x670 [ 1960.136325][ T73] addrconf_dad_work+0x10b/0xab0 [ 1960.136325][ T73] process_one_work+0x84d/0x18a0 [ 1960.136325][ T73] worker_thread+0x587/0xd30 [ 1960.136325][ T73] kthread+0x28a/0x350 [ 1960.136325][ T73] ret_from_fork+0x31/0x70 [ 1960.136325][ T73] ret_from_fork_asm+0x1a/0x30 [ 1960.136325][ T73] [ 1960.138202][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1960.138202][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.138202][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.138202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.138202][ T73] ip6_route_add+0x1c/0x140 [ 1960.138202][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1960.138202][ T73] inet6_addr_add+0x4f8/0xa40 [ 1960.138202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.138202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.138202][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.138202][ T73] netlink_unicast+0x449/0x710 [ 1960.138202][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.138202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.138202][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.138202][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.138202][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.138202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.138202][ T73] [ 1960.140226][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1960.140226][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.140226][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.140226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.140226][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1960.140226][ T73] ipv6_add_addr+0x411/0x2000 [ 1960.140226][ T73] inet6_addr_add+0x30e/0xa40 [ 1960.140226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.140226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.140226][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.140226][ T73] netlink_unicast+0x449/0x710 [ 1960.140226][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.140226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.140226][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.140226][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.140226][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.140226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.140226][ T73] [ 1960.142455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1960.142455][ T73] netdev_get_by_index+0x5e/0x80 [ 1960.142455][ T73] fib6_nh_init+0x3d8/0x1580 [ 1960.142455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1960.142455][ T73] ip6_route_add+0x1c/0x140 [ 1960.142455][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.142455][ T73] addrconf_add_dev+0xe2/0x170 [ 1960.142455][ T73] inet6_addr_add+0x12f/0xa40 [ 1960.142455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.142455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.142455][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.142455][ T73] netlink_unicast+0x449/0x710 [ 1960.142455][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.142455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.142455][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.142455][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.142455][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.142455][ T73] [ 1960.144640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1960.144640][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1960.144640][ T73] ipv6_find_idev+0x102/0x170 [ 1960.144640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.144640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.144640][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.144640][ T73] netlink_unicast+0x449/0x710 [ 1960.144640][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.144640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.144640][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.144640][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.144640][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.144640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.144640][ T73] [ 1960.146352][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1960.146352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1960.146352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1960.146352][ T73] ipv6_find_idev+0x102/0x170 [ 1960.146352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.146352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.146352][ T73] netlink_rcv_skb+0x130/0x360 [ 1960.146352][ T73] netlink_unicast+0x449/0x710 [ 1960.146352][ T73] netlink_sendmsg+0x723/0xbe0 [ 1960.146352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1960.146352][ T73] ___sys_sendmsg+0xee/0x170 [ 1960.146352][ T73] __sys_sendmsg+0xcd/0x170 [ 1960.146352][ T73] do_syscall_64+0xc6/0x1e0 [ 1960.146352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.146352][ T73] [ 1970.350915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1970.351332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.351332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1970.351332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1970.351332][ T73] fib6_nh_init+0xa22/0x1580 [ 1970.351332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.351332][ T73] ip6_route_add+0x1c/0x140 [ 1970.351332][ T73] inet6_rtm_newroute+0x104/0x110 [ 1970.351332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.351332][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.351332][ T73] netlink_unicast+0x449/0x710 [ 1970.351332][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.351332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.351332][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.351332][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.351332][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.351332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.351332][ T73] [ 1970.353332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.353332][ T73] dst_init+0x84/0x4a0 [ 1970.353332][ T73] dst_alloc+0x97/0x150 [ 1970.353332][ T73] ip6_dst_alloc+0x23/0x90 [ 1970.353332][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1970.353332][ T73] ip6_pol_route+0x56f/0x840 [ 1970.353332][ T73] fib6_rule_lookup+0x456/0x630 [ 1970.353332][ T73] ip6_route_input+0x59c/0xa50 [ 1970.353332][ T73] ipv6_rcv+0x397/0x810 [ 1970.353332][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1970.353332][ T73] process_backlog+0x101/0x620 [ 1970.353332][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1970.353332][ T73] net_rx_action+0x495/0xbe0 [ 1970.353332][ T73] __do_softirq+0x1b5/0x7f6 [ 1970.353332][ T73] [ 1970.355033][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.355033][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.355033][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.355033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.355033][ T73] ip6_route_add+0x1c/0x140 [ 1970.355033][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1970.355033][ T73] inet6_addr_add+0x4f8/0xa40 [ 1970.355033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.355033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.355033][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.355033][ T73] netlink_unicast+0x449/0x710 [ 1970.355033][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.355033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.355033][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.355033][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.355033][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.355033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.355033][ T73] [ 1970.357134][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.357134][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.357134][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.357134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.357134][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1970.357134][ T73] ipv6_add_addr+0x411/0x2000 [ 1970.357134][ T73] inet6_addr_add+0x30e/0xa40 [ 1970.357134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.357134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.357134][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.357134][ T73] netlink_unicast+0x449/0x710 [ 1970.357134][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.357134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.357134][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.357134][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.357134][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.357134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.357134][ T73] [ 1970.359183][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.359183][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.359183][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.359183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.359183][ T73] ip6_route_add+0x1c/0x140 [ 1970.359183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.359183][ T73] addrconf_add_dev+0xe2/0x170 [ 1970.359183][ T73] inet6_addr_add+0x12f/0xa40 [ 1970.359183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.359183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.359183][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.359183][ T73] netlink_unicast+0x449/0x710 [ 1970.359183][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.359183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.359183][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.359183][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.359183][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.359183][ T73] [ 1970.361137][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.361137][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1970.361137][ T73] ipv6_find_idev+0x102/0x170 [ 1970.361137][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.361137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.361137][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.361137][ T73] netlink_unicast+0x449/0x710 [ 1970.361137][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.361137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.361137][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.361137][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.361137][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.361137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.361137][ T73] [ 1970.362679][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1970.362679][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1970.362679][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1970.362679][ T73] ipv6_find_idev+0x102/0x170 [ 1970.362679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.362679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.362679][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.362679][ T73] netlink_unicast+0x449/0x710 [ 1970.362679][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.362679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.362679][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.362679][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.362679][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.362679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.362679][ T73] [ 1970.364357][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1970.364625][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.364625][ T73] dst_init+0x84/0x4a0 [ 1970.364625][ T73] dst_alloc+0x97/0x150 [ 1970.364625][ T73] ip6_dst_alloc+0x23/0x90 [ 1970.364625][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1970.364625][ T73] ip6_pol_route+0x56f/0x840 [ 1970.364625][ T73] fib6_rule_lookup+0x456/0x630 [ 1970.364625][ T73] ip6_route_input+0x59c/0xa50 [ 1970.364625][ T73] ipv6_rcv+0x397/0x810 [ 1970.364625][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1970.364625][ T73] process_backlog+0x101/0x620 [ 1970.364625][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1970.364625][ T73] net_rx_action+0x495/0xbe0 [ 1970.364625][ T73] __do_softirq+0x1b5/0x7f6 [ 1970.364625][ T73] [ 1970.366271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.366271][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.366271][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.366271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.366271][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1970.366271][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1970.366271][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1970.366271][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1970.366271][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1970.366271][ T73] addrconf_dad_begin+0x310/0x670 [ 1970.366271][ T73] addrconf_dad_work+0x10b/0xab0 [ 1970.366271][ T73] process_one_work+0x84d/0x18a0 [ 1970.366271][ T73] worker_thread+0x587/0xd30 [ 1970.366271][ T73] kthread+0x28a/0x350 [ 1970.366271][ T73] ret_from_fork+0x31/0x70 [ 1970.366271][ T73] ret_from_fork_asm+0x1a/0x30 [ 1970.366271][ T73] [ 1970.368172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.368172][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.368172][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.368172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.368172][ T73] ip6_route_add+0x1c/0x140 [ 1970.368172][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1970.368172][ T73] inet6_addr_add+0x4f8/0xa40 [ 1970.368172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.368172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.368172][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.368172][ T73] netlink_unicast+0x449/0x710 [ 1970.368172][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.368172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.368172][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.368172][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.368172][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.368172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.368172][ T73] [ 1970.370154][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.370154][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.370154][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.370154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.370154][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1970.370154][ T73] ipv6_add_addr+0x411/0x2000 [ 1970.370154][ T73] inet6_addr_add+0x30e/0xa40 [ 1970.370154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.370154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.370154][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.370154][ T73] netlink_unicast+0x449/0x710 [ 1970.370154][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.370154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.370154][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.370154][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.370154][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.370154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.370154][ T73] [ 1970.372152][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.372152][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.372152][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.372152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.372152][ T73] ip6_route_add+0x1c/0x140 [ 1970.372152][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.372152][ T73] addrconf_add_dev+0xe2/0x170 [ 1970.372152][ T73] inet6_addr_add+0x12f/0xa40 [ 1970.372152][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.372152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.372152][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.372152][ T73] netlink_unicast+0x449/0x710 [ 1970.372152][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.372152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.372152][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.372152][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.372152][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.372152][ T73] [ 1970.374114][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.374114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1970.374114][ T73] ipv6_find_idev+0x102/0x170 [ 1970.374114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.374114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.374114][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.374114][ T73] netlink_unicast+0x449/0x710 [ 1970.374114][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.374114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.374114][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.374114][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.374114][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.374114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.374114][ T73] [ 1970.375639][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1970.375639][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1970.375639][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1970.375639][ T73] ipv6_find_idev+0x102/0x170 [ 1970.375639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.375639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.375639][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.375639][ T73] netlink_unicast+0x449/0x710 [ 1970.375639][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.375639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.375639][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.375639][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.375639][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.375639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.375639][ T73] [ 1970.377438][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1970.377705][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.377705][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1970.377705][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1970.377705][ T73] fib6_nh_init+0xa22/0x1580 [ 1970.377705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.377705][ T73] ip6_route_add+0x1c/0x140 [ 1970.377705][ T73] inet6_rtm_newroute+0x104/0x110 [ 1970.377705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.377705][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.377705][ T73] netlink_unicast+0x449/0x710 [ 1970.377705][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.377705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.377705][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.377705][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.377705][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.377705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.377705][ T73] [ 1970.379876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.379876][ T73] dst_init+0x84/0x4a0 [ 1970.379876][ T73] dst_alloc+0x97/0x150 [ 1970.379876][ T73] ip6_dst_alloc+0x23/0x90 [ 1970.379876][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1970.379876][ T73] ip6_pol_route+0x56f/0x840 [ 1970.379876][ T73] fib6_rule_lookup+0x456/0x630 [ 1970.379876][ T73] ip6_route_input+0x59c/0xa50 [ 1970.379876][ T73] ipv6_rcv+0x397/0x810 [ 1970.379876][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1970.379876][ T73] process_backlog+0x101/0x620 [ 1970.379876][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1970.379876][ T73] net_rx_action+0x495/0xbe0 [ 1970.379876][ T73] __do_softirq+0x1b5/0x7f6 [ 1970.379876][ T73] [ 1970.381687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.381687][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.381687][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.381687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.381687][ T73] ip6_route_add+0x1c/0x140 [ 1970.381687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1970.381687][ T73] inet6_addr_add+0x4f8/0xa40 [ 1970.381687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.381687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.381687][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.381687][ T73] netlink_unicast+0x449/0x710 [ 1970.381687][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.381687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.381687][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.381687][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.381687][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.381687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.381687][ T73] [ 1970.383906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.383906][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.383906][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.383906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.383906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1970.383906][ T73] ipv6_add_addr+0x411/0x2000 [ 1970.383906][ T73] inet6_addr_add+0x30e/0xa40 [ 1970.383906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.383906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.383906][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.383906][ T73] netlink_unicast+0x449/0x710 [ 1970.383906][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.383906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.383906][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.383906][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.383906][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.383906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.383906][ T73] [ 1970.386067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.386067][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.386067][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.386067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.386067][ T73] ip6_route_add+0x1c/0x140 [ 1970.386067][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.386067][ T73] addrconf_add_dev+0xe2/0x170 [ 1970.386067][ T73] inet6_addr_add+0x12f/0xa40 [ 1970.386067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.386067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.386067][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.386067][ T73] netlink_unicast+0x449/0x710 [ 1970.386067][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.386067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.386067][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.386067][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.386067][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.386067][ T73] [ 1970.388316][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.388316][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1970.388316][ T73] ipv6_find_idev+0x102/0x170 [ 1970.388316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.388316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.388316][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.388316][ T73] netlink_unicast+0x449/0x710 [ 1970.388316][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.388316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.388316][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.388316][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.388316][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.388316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.388316][ T73] [ 1970.390022][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1970.390022][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1970.390022][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1970.390022][ T73] ipv6_find_idev+0x102/0x170 [ 1970.390022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.390022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.390022][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.390022][ T73] netlink_unicast+0x449/0x710 [ 1970.390022][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.390022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.390022][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.390022][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.390022][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.390022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.390022][ T73] [ 1970.391975][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1970.392247][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1970.392247][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.392247][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.392247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.392247][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1970.392247][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1970.392247][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1970.392247][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1970.392247][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1970.392247][ T73] addrconf_dad_begin+0x310/0x670 [ 1970.392247][ T73] addrconf_dad_work+0x10b/0xab0 [ 1970.392247][ T73] process_one_work+0x84d/0x18a0 [ 1970.392247][ T73] worker_thread+0x587/0xd30 [ 1970.392247][ T73] kthread+0x28a/0x350 [ 1970.392247][ T73] ret_from_fork+0x31/0x70 [ 1970.392247][ T73] ret_from_fork_asm+0x1a/0x30 [ 1970.392247][ T73] [ 1970.394397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1970.394397][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.394397][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.394397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.394397][ T73] ip6_route_add+0x1c/0x140 [ 1970.394397][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1970.394397][ T73] inet6_addr_add+0x4f8/0xa40 [ 1970.394397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.394397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.394397][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.394397][ T73] netlink_unicast+0x449/0x710 [ 1970.394397][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.394397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.394397][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.394397][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.394397][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.394397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.394397][ T73] [ 1970.396571][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1970.396571][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.396571][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.396571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.396571][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1970.396571][ T73] ipv6_add_addr+0x411/0x2000 [ 1970.396571][ T73] inet6_addr_add+0x30e/0xa40 [ 1970.396571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.396571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.396571][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.396571][ T73] netlink_unicast+0x449/0x710 [ 1970.396571][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.396571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.396571][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.396571][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.396571][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.396571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.396571][ T73] [ 1970.398872][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1970.398872][ T73] netdev_get_by_index+0x5e/0x80 [ 1970.398872][ T73] fib6_nh_init+0x3d8/0x1580 [ 1970.398872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1970.398872][ T73] ip6_route_add+0x1c/0x140 [ 1970.398872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.398872][ T73] addrconf_add_dev+0xe2/0x170 [ 1970.398872][ T73] inet6_addr_add+0x12f/0xa40 [ 1970.398872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.398872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.398872][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.398872][ T73] netlink_unicast+0x449/0x710 [ 1970.398872][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.398872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.398872][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.398872][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.398872][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.398872][ T73] [ 1970.401066][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1970.401066][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1970.401066][ T73] ipv6_find_idev+0x102/0x170 [ 1970.401066][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.401066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.401066][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.401066][ T73] netlink_unicast+0x449/0x710 [ 1970.401066][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.401066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.401066][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.401066][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.401066][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.401066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.401066][ T73] [ 1970.403317][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1970.403317][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1970.403317][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1970.403317][ T73] ipv6_find_idev+0x102/0x170 [ 1970.403317][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.403317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.403317][ T73] netlink_rcv_skb+0x130/0x360 [ 1970.403317][ T73] netlink_unicast+0x449/0x710 [ 1970.403317][ T73] netlink_sendmsg+0x723/0xbe0 [ 1970.403317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1970.403317][ T73] ___sys_sendmsg+0xee/0x170 [ 1970.403317][ T73] __sys_sendmsg+0xcd/0x170 [ 1970.403317][ T73] do_syscall_64+0xc6/0x1e0 [ 1970.403317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.403317][ T73] [ 1980.606937][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1980.607450][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.607450][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1980.607450][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1980.607450][ T73] fib6_nh_init+0xa22/0x1580 [ 1980.607450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.607450][ T73] ip6_route_add+0x1c/0x140 [ 1980.607450][ T73] inet6_rtm_newroute+0x104/0x110 [ 1980.607450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.607450][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.607450][ T73] netlink_unicast+0x449/0x710 [ 1980.607450][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.607450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.607450][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.607450][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.607450][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.607450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.607450][ T73] [ 1980.609359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.609359][ T73] dst_init+0x84/0x4a0 [ 1980.609359][ T73] dst_alloc+0x97/0x150 [ 1980.609359][ T73] ip6_dst_alloc+0x23/0x90 [ 1980.609359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1980.609359][ T73] ip6_pol_route+0x56f/0x840 [ 1980.609359][ T73] fib6_rule_lookup+0x456/0x630 [ 1980.609359][ T73] ip6_route_input+0x59c/0xa50 [ 1980.609359][ T73] ipv6_rcv+0x397/0x810 [ 1980.609359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1980.609359][ T73] process_backlog+0x101/0x620 [ 1980.609359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1980.609359][ T73] net_rx_action+0x495/0xbe0 [ 1980.609359][ T73] __do_softirq+0x1b5/0x7f6 [ 1980.609359][ T73] [ 1980.611417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.611417][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.611417][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.611417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.611417][ T73] ip6_route_add+0x1c/0x140 [ 1980.611417][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1980.611417][ T73] inet6_addr_add+0x4f8/0xa40 [ 1980.611417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.611417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.611417][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.611417][ T73] netlink_unicast+0x449/0x710 [ 1980.611417][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.611417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.611417][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.611417][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.611417][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.611417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.611417][ T73] [ 1980.613425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.613425][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.613425][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.613425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.613425][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1980.613425][ T73] ipv6_add_addr+0x411/0x2000 [ 1980.613425][ T73] inet6_addr_add+0x30e/0xa40 [ 1980.613425][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.613425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.613425][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.613425][ T73] netlink_unicast+0x449/0x710 [ 1980.613425][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.613425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.613425][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.613425][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.613425][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.613425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.613425][ T73] [ 1980.615432][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.615432][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.615432][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.615432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.615432][ T73] ip6_route_add+0x1c/0x140 [ 1980.615432][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.615432][ T73] addrconf_add_dev+0xe2/0x170 [ 1980.615432][ T73] inet6_addr_add+0x12f/0xa40 [ 1980.615432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.615432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.615432][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.615432][ T73] netlink_unicast+0x449/0x710 [ 1980.615432][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.615432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.615432][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.615432][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.615432][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.615432][ T73] [ 1980.617410][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.617410][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1980.617410][ T73] ipv6_find_idev+0x102/0x170 [ 1980.617410][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.617410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.617410][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.617410][ T73] netlink_unicast+0x449/0x710 [ 1980.617410][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.617410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.617410][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.617410][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.617410][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.617410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.617410][ T73] [ 1980.618959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1980.618959][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1980.618959][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1980.618959][ T73] ipv6_find_idev+0x102/0x170 [ 1980.618959][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.618959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.618959][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.618959][ T73] netlink_unicast+0x449/0x710 [ 1980.618959][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.618959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.618959][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.618959][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.618959][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.618959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.618959][ T73] [ 1980.620734][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1980.621049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.621049][ T73] dst_init+0x84/0x4a0 [ 1980.621049][ T73] dst_alloc+0x97/0x150 [ 1980.621049][ T73] ip6_dst_alloc+0x23/0x90 [ 1980.621049][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1980.621049][ T73] ip6_pol_route+0x56f/0x840 [ 1980.621049][ T73] fib6_rule_lookup+0x456/0x630 [ 1980.621049][ T73] ip6_route_input+0x59c/0xa50 [ 1980.621049][ T73] ipv6_rcv+0x397/0x810 [ 1980.621049][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1980.621049][ T73] process_backlog+0x101/0x620 [ 1980.621049][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1980.621049][ T73] net_rx_action+0x495/0xbe0 [ 1980.621049][ T73] __do_softirq+0x1b5/0x7f6 [ 1980.621049][ T73] [ 1980.622707][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.622707][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.622707][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.622707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.622707][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1980.622707][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1980.622707][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1980.622707][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1980.622707][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1980.622707][ T73] addrconf_dad_begin+0x310/0x670 [ 1980.622707][ T73] addrconf_dad_work+0x10b/0xab0 [ 1980.622707][ T73] process_one_work+0x84d/0x18a0 [ 1980.622707][ T73] worker_thread+0x587/0xd30 [ 1980.622707][ T73] kthread+0x28a/0x350 [ 1980.622707][ T73] ret_from_fork+0x31/0x70 [ 1980.622707][ T73] ret_from_fork_asm+0x1a/0x30 [ 1980.622707][ T73] [ 1980.624622][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.624622][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.624622][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.624622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.624622][ T73] ip6_route_add+0x1c/0x140 [ 1980.624622][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1980.624622][ T73] inet6_addr_add+0x4f8/0xa40 [ 1980.624622][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.624622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.624622][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.624622][ T73] netlink_unicast+0x449/0x710 [ 1980.624622][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.624622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.624622][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.624622][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.624622][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.624622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.624622][ T73] [ 1980.626626][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.626626][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.626626][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.626626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.626626][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1980.626626][ T73] ipv6_add_addr+0x411/0x2000 [ 1980.626626][ T73] inet6_addr_add+0x30e/0xa40 [ 1980.626626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.626626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.626626][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.626626][ T73] netlink_unicast+0x449/0x710 [ 1980.626626][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.626626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.626626][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.626626][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.626626][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.626626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.626626][ T73] [ 1980.628645][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.628645][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.628645][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.628645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.628645][ T73] ip6_route_add+0x1c/0x140 [ 1980.628645][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.628645][ T73] addrconf_add_dev+0xe2/0x170 [ 1980.628645][ T73] inet6_addr_add+0x12f/0xa40 [ 1980.628645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.628645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.628645][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.628645][ T73] netlink_unicast+0x449/0x710 [ 1980.628645][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.628645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.628645][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.628645][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.628645][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.628645][ T73] [ 1980.630613][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.630613][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1980.630613][ T73] ipv6_find_idev+0x102/0x170 [ 1980.630613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.630613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.630613][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.630613][ T73] netlink_unicast+0x449/0x710 [ 1980.630613][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.630613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.630613][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.630613][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.630613][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.630613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.630613][ T73] [ 1980.632168][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1980.632168][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1980.632168][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1980.632168][ T73] ipv6_find_idev+0x102/0x170 [ 1980.632168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.632168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.632168][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.632168][ T73] netlink_unicast+0x449/0x710 [ 1980.632168][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.632168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.632168][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.632168][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.632168][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.632168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.632168][ T73] [ 1980.634039][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1980.634327][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.634327][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1980.634327][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1980.634327][ T73] fib6_nh_init+0xa22/0x1580 [ 1980.634327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.634327][ T73] ip6_route_add+0x1c/0x140 [ 1980.634327][ T73] inet6_rtm_newroute+0x104/0x110 [ 1980.634327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.634327][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.634327][ T73] netlink_unicast+0x449/0x710 [ 1980.634327][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.634327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.634327][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.634327][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.634327][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.634327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.634327][ T73] [ 1980.636605][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.636605][ T73] dst_init+0x84/0x4a0 [ 1980.636605][ T73] dst_alloc+0x97/0x150 [ 1980.636605][ T73] ip6_dst_alloc+0x23/0x90 [ 1980.636605][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1980.636605][ T73] ip6_pol_route+0x56f/0x840 [ 1980.636605][ T73] fib6_rule_lookup+0x456/0x630 [ 1980.636605][ T73] ip6_route_input+0x59c/0xa50 [ 1980.636605][ T73] ipv6_rcv+0x397/0x810 [ 1980.636605][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1980.636605][ T73] process_backlog+0x101/0x620 [ 1980.636605][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1980.636605][ T73] net_rx_action+0x495/0xbe0 [ 1980.636605][ T73] __do_softirq+0x1b5/0x7f6 [ 1980.636605][ T73] [ 1980.638499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.638499][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.638499][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.638499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.638499][ T73] ip6_route_add+0x1c/0x140 [ 1980.638499][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1980.638499][ T73] inet6_addr_add+0x4f8/0xa40 [ 1980.638499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.638499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.638499][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.638499][ T73] netlink_unicast+0x449/0x710 [ 1980.638499][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.638499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.638499][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.638499][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.638499][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.638499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.638499][ T73] [ 1980.640831][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.640831][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.640831][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.640831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.640831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1980.640831][ T73] ipv6_add_addr+0x411/0x2000 [ 1980.640831][ T73] inet6_addr_add+0x30e/0xa40 [ 1980.640831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.640831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.640831][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.640831][ T73] netlink_unicast+0x449/0x710 [ 1980.640831][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.640831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.640831][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.640831][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.640831][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.640831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.640831][ T73] [ 1980.643167][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.643167][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.643167][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.643167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.643167][ T73] ip6_route_add+0x1c/0x140 [ 1980.643167][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.643167][ T73] addrconf_add_dev+0xe2/0x170 [ 1980.643167][ T73] inet6_addr_add+0x12f/0xa40 [ 1980.643167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.643167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.643167][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.643167][ T73] netlink_unicast+0x449/0x710 [ 1980.643167][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.643167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.643167][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.643167][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.643167][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.643167][ T73] [ 1980.645452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.645452][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1980.645452][ T73] ipv6_find_idev+0x102/0x170 [ 1980.645452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.645452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.645452][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.645452][ T73] netlink_unicast+0x449/0x710 [ 1980.645452][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.645452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.645452][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.645452][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.645452][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.645452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.645452][ T73] [ 1980.647244][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1980.647244][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1980.647244][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1980.647244][ T73] ipv6_find_idev+0x102/0x170 [ 1980.647244][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.647244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.647244][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.647244][ T73] netlink_unicast+0x449/0x710 [ 1980.647244][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.647244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.647244][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.647244][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.647244][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.647244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.647244][ T73] [ 1980.649250][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1980.649538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1980.649538][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.649538][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.649538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.649538][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1980.649538][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1980.649538][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1980.649538][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1980.649538][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1980.649538][ T73] addrconf_dad_begin+0x310/0x670 [ 1980.649538][ T73] addrconf_dad_work+0x10b/0xab0 [ 1980.649538][ T73] process_one_work+0x84d/0x18a0 [ 1980.649538][ T73] worker_thread+0x587/0xd30 [ 1980.649538][ T73] kthread+0x28a/0x350 [ 1980.649538][ T73] ret_from_fork+0x31/0x70 [ 1980.649538][ T73] ret_from_fork_asm+0x1a/0x30 [ 1980.649538][ T73] [ 1980.651789][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1980.651789][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.651789][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.651789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.651789][ T73] ip6_route_add+0x1c/0x140 [ 1980.651789][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1980.651789][ T73] inet6_addr_add+0x4f8/0xa40 [ 1980.651789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.651789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.651789][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.651789][ T73] netlink_unicast+0x449/0x710 [ 1980.651789][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.651789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.651789][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.651789][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.651789][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.651789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.651789][ T73] [ 1980.654127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1980.654127][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.654127][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.654127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.654127][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1980.654127][ T73] ipv6_add_addr+0x411/0x2000 [ 1980.654127][ T73] inet6_addr_add+0x30e/0xa40 [ 1980.654127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.654127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.654127][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.654127][ T73] netlink_unicast+0x449/0x710 [ 1980.654127][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.654127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.654127][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.654127][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.654127][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.654127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.654127][ T73] [ 1980.656458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1980.656458][ T73] netdev_get_by_index+0x5e/0x80 [ 1980.656458][ T73] fib6_nh_init+0x3d8/0x1580 [ 1980.656458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1980.656458][ T73] ip6_route_add+0x1c/0x140 [ 1980.656458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.656458][ T73] addrconf_add_dev+0xe2/0x170 [ 1980.656458][ T73] inet6_addr_add+0x12f/0xa40 [ 1980.656458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.656458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.656458][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.656458][ T73] netlink_unicast+0x449/0x710 [ 1980.656458][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.656458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.656458][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.656458][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.656458][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.656458][ T73] [ 1980.658745][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1980.658745][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1980.658745][ T73] ipv6_find_idev+0x102/0x170 [ 1980.658745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.658745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.658745][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.658745][ T73] netlink_unicast+0x449/0x710 [ 1980.658745][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.658745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.658745][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.658745][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.658745][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.658745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.658745][ T73] [ 1980.660532][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1980.660532][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1980.660532][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1980.660532][ T73] ipv6_find_idev+0x102/0x170 [ 1980.660532][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.660532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.660532][ T73] netlink_rcv_skb+0x130/0x360 [ 1980.660532][ T73] netlink_unicast+0x449/0x710 [ 1980.660532][ T73] netlink_sendmsg+0x723/0xbe0 [ 1980.660532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1980.660532][ T73] ___sys_sendmsg+0xee/0x170 [ 1980.660532][ T73] __sys_sendmsg+0xcd/0x170 [ 1980.660532][ T73] do_syscall_64+0xc6/0x1e0 [ 1980.660532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.660532][ T73] [ 1990.902866][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 1990.903331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.903331][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1990.903331][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1990.903331][ T73] fib6_nh_init+0xa22/0x1580 [ 1990.903331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.903331][ T73] ip6_route_add+0x1c/0x140 [ 1990.903331][ T73] inet6_rtm_newroute+0x104/0x110 [ 1990.903331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.903331][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.903331][ T73] netlink_unicast+0x449/0x710 [ 1990.903331][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.903331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.903331][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.903331][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.903331][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.903331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.903331][ T73] [ 1990.905458][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.905458][ T73] dst_init+0x84/0x4a0 [ 1990.905458][ T73] dst_alloc+0x97/0x150 [ 1990.905458][ T73] ip6_dst_alloc+0x23/0x90 [ 1990.905458][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1990.905458][ T73] ip6_pol_route+0x56f/0x840 [ 1990.905458][ T73] fib6_rule_lookup+0x456/0x630 [ 1990.905458][ T73] ip6_route_input+0x59c/0xa50 [ 1990.905458][ T73] ipv6_rcv+0x397/0x810 [ 1990.905458][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1990.905458][ T73] process_backlog+0x101/0x620 [ 1990.905458][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1990.905458][ T73] net_rx_action+0x495/0xbe0 [ 1990.905458][ T73] __do_softirq+0x1b5/0x7f6 [ 1990.905458][ T73] [ 1990.907116][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.907116][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.907116][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.907116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.907116][ T73] ip6_route_add+0x1c/0x140 [ 1990.907116][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1990.907116][ T73] inet6_addr_add+0x4f8/0xa40 [ 1990.907116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.907116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.907116][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.907116][ T73] netlink_unicast+0x449/0x710 [ 1990.907116][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.907116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.907116][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.907116][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.907116][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.907116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.907116][ T73] [ 1990.909151][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.909151][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.909151][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.909151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.909151][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1990.909151][ T73] ipv6_add_addr+0x411/0x2000 [ 1990.909151][ T73] inet6_addr_add+0x30e/0xa40 [ 1990.909151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.909151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.909151][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.909151][ T73] netlink_unicast+0x449/0x710 [ 1990.909151][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.909151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.909151][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.909151][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.909151][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.909151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.909151][ T73] [ 1990.911184][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.911184][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.911184][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.911184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.911184][ T73] ip6_route_add+0x1c/0x140 [ 1990.911184][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.911184][ T73] addrconf_add_dev+0xe2/0x170 [ 1990.911184][ T73] inet6_addr_add+0x12f/0xa40 [ 1990.911184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.911184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.911184][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.911184][ T73] netlink_unicast+0x449/0x710 [ 1990.911184][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.911184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.911184][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.911184][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.911184][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.911184][ T73] [ 1990.913186][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.913186][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1990.913186][ T73] ipv6_find_idev+0x102/0x170 [ 1990.913186][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.913186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.913186][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.913186][ T73] netlink_unicast+0x449/0x710 [ 1990.913186][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.913186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.913186][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.913186][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.913186][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.913186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.913186][ T73] [ 1990.914743][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 1990.914743][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1990.914743][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1990.914743][ T73] ipv6_find_idev+0x102/0x170 [ 1990.914743][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.914743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.914743][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.914743][ T73] netlink_unicast+0x449/0x710 [ 1990.914743][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.914743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.914743][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.914743][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.914743][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.914743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.914743][ T73] [ 1990.916492][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1990.916789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.916789][ T73] dst_init+0x84/0x4a0 [ 1990.916789][ T73] dst_alloc+0x97/0x150 [ 1990.916789][ T73] ip6_dst_alloc+0x23/0x90 [ 1990.916789][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1990.916789][ T73] ip6_pol_route+0x56f/0x840 [ 1990.916789][ T73] fib6_rule_lookup+0x456/0x630 [ 1990.916789][ T73] ip6_route_input+0x59c/0xa50 [ 1990.916789][ T73] ipv6_rcv+0x397/0x810 [ 1990.916789][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1990.916789][ T73] process_backlog+0x101/0x620 [ 1990.916789][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1990.916789][ T73] net_rx_action+0x495/0xbe0 [ 1990.916789][ T73] __do_softirq+0x1b5/0x7f6 [ 1990.916789][ T73] [ 1990.918444][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.918444][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.918444][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.918444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.918444][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1990.918444][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1990.918444][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1990.918444][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1990.918444][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1990.918444][ T73] addrconf_dad_begin+0x310/0x670 [ 1990.918444][ T73] addrconf_dad_work+0x10b/0xab0 [ 1990.918444][ T73] process_one_work+0x84d/0x18a0 [ 1990.918444][ T73] worker_thread+0x587/0xd30 [ 1990.918444][ T73] kthread+0x28a/0x350 [ 1990.918444][ T73] ret_from_fork+0x31/0x70 [ 1990.918444][ T73] ret_from_fork_asm+0x1a/0x30 [ 1990.918444][ T73] [ 1990.920393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.920393][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.920393][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.920393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.920393][ T73] ip6_route_add+0x1c/0x140 [ 1990.920393][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1990.920393][ T73] inet6_addr_add+0x4f8/0xa40 [ 1990.920393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.920393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.920393][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.920393][ T73] netlink_unicast+0x449/0x710 [ 1990.920393][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.920393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.920393][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.920393][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.920393][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.920393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.920393][ T73] [ 1990.922424][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.922424][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.922424][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.922424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.922424][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1990.922424][ T73] ipv6_add_addr+0x411/0x2000 [ 1990.922424][ T73] inet6_addr_add+0x30e/0xa40 [ 1990.922424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.922424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.922424][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.922424][ T73] netlink_unicast+0x449/0x710 [ 1990.922424][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.922424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.922424][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.922424][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.922424][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.922424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.922424][ T73] [ 1990.924556][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.924556][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.924556][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.924556][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.924556][ T73] ip6_route_add+0x1c/0x140 [ 1990.924556][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.924556][ T73] addrconf_add_dev+0xe2/0x170 [ 1990.924556][ T73] inet6_addr_add+0x12f/0xa40 [ 1990.924556][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.924556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.924556][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.924556][ T73] netlink_unicast+0x449/0x710 [ 1990.924556][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.924556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.924556][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.924556][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.924556][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.924556][ T73] [ 1990.926531][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.926531][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1990.926531][ T73] ipv6_find_idev+0x102/0x170 [ 1990.926531][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.926531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.926531][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.926531][ T73] netlink_unicast+0x449/0x710 [ 1990.926531][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.926531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.926531][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.926531][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.926531][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.926531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.926531][ T73] [ 1990.928086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 1990.928086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1990.928086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1990.928086][ T73] ipv6_find_idev+0x102/0x170 [ 1990.928086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.928086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.928086][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.928086][ T73] netlink_unicast+0x449/0x710 [ 1990.928086][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.928086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.928086][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.928086][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.928086][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.928086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.928086][ T73] [ 1990.929931][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1990.930207][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.930207][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 1990.930207][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 1990.930207][ T73] fib6_nh_init+0xa22/0x1580 [ 1990.930207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.930207][ T73] ip6_route_add+0x1c/0x140 [ 1990.930207][ T73] inet6_rtm_newroute+0x104/0x110 [ 1990.930207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.930207][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.930207][ T73] netlink_unicast+0x449/0x710 [ 1990.930207][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.930207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.930207][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.930207][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.930207][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.930207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.930207][ T73] [ 1990.932474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.932474][ T73] dst_init+0x84/0x4a0 [ 1990.932474][ T73] dst_alloc+0x97/0x150 [ 1990.932474][ T73] ip6_dst_alloc+0x23/0x90 [ 1990.932474][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1990.932474][ T73] ip6_pol_route+0x56f/0x840 [ 1990.932474][ T73] fib6_rule_lookup+0x456/0x630 [ 1990.932474][ T73] ip6_route_input+0x59c/0xa50 [ 1990.932474][ T73] ipv6_rcv+0x397/0x810 [ 1990.932474][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 1990.932474][ T73] process_backlog+0x101/0x620 [ 1990.932474][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 1990.932474][ T73] net_rx_action+0x495/0xbe0 [ 1990.932474][ T73] __do_softirq+0x1b5/0x7f6 [ 1990.932474][ T73] [ 1990.934301][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.934301][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.934301][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.934301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.934301][ T73] ip6_route_add+0x1c/0x140 [ 1990.934301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1990.934301][ T73] inet6_addr_add+0x4f8/0xa40 [ 1990.934301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.934301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.934301][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.934301][ T73] netlink_unicast+0x449/0x710 [ 1990.934301][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.934301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.934301][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.934301][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.934301][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.934301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.934301][ T73] [ 1990.936567][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.936567][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.936567][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.936567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.936567][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1990.936567][ T73] ipv6_add_addr+0x411/0x2000 [ 1990.936567][ T73] inet6_addr_add+0x30e/0xa40 [ 1990.936567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.936567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.936567][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.936567][ T73] netlink_unicast+0x449/0x710 [ 1990.936567][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.936567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.936567][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.936567][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.936567][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.936567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.936567][ T73] [ 1990.938823][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.938823][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.938823][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.938823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.938823][ T73] ip6_route_add+0x1c/0x140 [ 1990.938823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.938823][ T73] addrconf_add_dev+0xe2/0x170 [ 1990.938823][ T73] inet6_addr_add+0x12f/0xa40 [ 1990.938823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.938823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.938823][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.938823][ T73] netlink_unicast+0x449/0x710 [ 1990.938823][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.938823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.938823][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.938823][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.938823][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.938823][ T73] [ 1990.941055][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.941055][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1990.941055][ T73] ipv6_find_idev+0x102/0x170 [ 1990.941055][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.941055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.941055][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.941055][ T73] netlink_unicast+0x449/0x710 [ 1990.941055][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.941055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.941055][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.941055][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.941055][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.941055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.941055][ T73] [ 1990.942793][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 1990.942793][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1990.942793][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1990.942793][ T73] ipv6_find_idev+0x102/0x170 [ 1990.942793][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.942793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.942793][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.942793][ T73] netlink_unicast+0x449/0x710 [ 1990.942793][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.942793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.942793][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.942793][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.942793][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.942793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.942793][ T73] [ 1990.944763][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1990.945493][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1990.945493][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.945493][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.945493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.945493][ T73] addrconf_f6i_alloc+0x265/0x560 [ 1990.945493][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1990.945493][ T73] addrconf_join_anycast+0x1c0/0x220 [ 1990.945493][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1990.945493][ T73] addrconf_dad_completed+0x12b/0xe20 [ 1990.945493][ T73] addrconf_dad_begin+0x310/0x670 [ 1990.945493][ T73] addrconf_dad_work+0x10b/0xab0 [ 1990.945493][ T73] process_one_work+0x84d/0x18a0 [ 1990.945493][ T73] worker_thread+0x587/0xd30 [ 1990.945493][ T73] kthread+0x28a/0x350 [ 1990.945493][ T73] ret_from_fork+0x31/0x70 [ 1990.945493][ T73] ret_from_fork_asm+0x1a/0x30 [ 1990.945493][ T73] [ 1990.947413][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1990.947413][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.947413][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.947413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.947413][ T73] ip6_route_add+0x1c/0x140 [ 1990.947413][ T73] addrconf_prefix_route+0x2a6/0x430 [ 1990.947413][ T73] inet6_addr_add+0x4f8/0xa40 [ 1990.947413][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.947413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.947413][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.947413][ T73] netlink_unicast+0x449/0x710 [ 1990.947413][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.947413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.947413][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.947413][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.947413][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.947413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.947413][ T73] [ 1990.949569][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1990.949569][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.949569][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.949569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.949569][ T73] addrconf_f6i_alloc+0x315/0x560 [ 1990.949569][ T73] ipv6_add_addr+0x411/0x2000 [ 1990.949569][ T73] inet6_addr_add+0x30e/0xa40 [ 1990.949569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.949569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.949569][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.949569][ T73] netlink_unicast+0x449/0x710 [ 1990.949569][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.949569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.949569][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.949569][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.949569][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.949569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.949569][ T73] [ 1990.951832][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1990.951832][ T73] netdev_get_by_index+0x5e/0x80 [ 1990.951832][ T73] fib6_nh_init+0x3d8/0x1580 [ 1990.951832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 1990.951832][ T73] ip6_route_add+0x1c/0x140 [ 1990.951832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.951832][ T73] addrconf_add_dev+0xe2/0x170 [ 1990.951832][ T73] inet6_addr_add+0x12f/0xa40 [ 1990.951832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.951832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.951832][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.951832][ T73] netlink_unicast+0x449/0x710 [ 1990.951832][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.951832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.951832][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.951832][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.951832][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.951832][ T73] [ 1990.954070][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1990.954070][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 1990.954070][ T73] ipv6_find_idev+0x102/0x170 [ 1990.954070][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.954070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.954070][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.954070][ T73] netlink_unicast+0x449/0x710 [ 1990.954070][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.954070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.954070][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.954070][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.954070][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.954070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.954070][ T73] [ 1990.955807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 1990.955807][ T73] neigh_parms_alloc+0x1e5/0x510 [ 1990.955807][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 1990.955807][ T73] ipv6_find_idev+0x102/0x170 [ 1990.955807][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.955807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.955807][ T73] netlink_rcv_skb+0x130/0x360 [ 1990.955807][ T73] netlink_unicast+0x449/0x710 [ 1990.955807][ T73] netlink_sendmsg+0x723/0xbe0 [ 1990.955807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 1990.955807][ T73] ___sys_sendmsg+0xee/0x170 [ 1990.955807][ T73] __sys_sendmsg+0xcd/0x170 [ 1990.955807][ T73] do_syscall_64+0xc6/0x1e0 [ 1990.955807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.955807][ T73] [ 2001.198874][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2001.199319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.199319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2001.199319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2001.199319][ T73] fib6_nh_init+0xa22/0x1580 [ 2001.199319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.199319][ T73] ip6_route_add+0x1c/0x140 [ 2001.199319][ T73] inet6_rtm_newroute+0x104/0x110 [ 2001.199319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.199319][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.199319][ T73] netlink_unicast+0x449/0x710 [ 2001.199319][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.199319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.199319][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.199319][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.199319][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.199319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.199319][ T73] [ 2001.201287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.201287][ T73] dst_init+0x84/0x4a0 [ 2001.201287][ T73] dst_alloc+0x97/0x150 [ 2001.201287][ T73] ip6_dst_alloc+0x23/0x90 [ 2001.201287][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2001.201287][ T73] ip6_pol_route+0x56f/0x840 [ 2001.201287][ T73] fib6_rule_lookup+0x456/0x630 [ 2001.201287][ T73] ip6_route_input+0x59c/0xa50 [ 2001.201287][ T73] ipv6_rcv+0x397/0x810 [ 2001.201287][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2001.201287][ T73] process_backlog+0x101/0x620 [ 2001.201287][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2001.201287][ T73] net_rx_action+0x495/0xbe0 [ 2001.201287][ T73] __do_softirq+0x1b5/0x7f6 [ 2001.201287][ T73] [ 2001.202955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.202955][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.202955][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.202955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.202955][ T73] ip6_route_add+0x1c/0x140 [ 2001.202955][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2001.202955][ T73] inet6_addr_add+0x4f8/0xa40 [ 2001.202955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.202955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.202955][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.202955][ T73] netlink_unicast+0x449/0x710 [ 2001.202955][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.202955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.202955][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.202955][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.202955][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.202955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.202955][ T73] [ 2001.205072][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.205072][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.205072][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.205072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.205072][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2001.205072][ T73] ipv6_add_addr+0x411/0x2000 [ 2001.205072][ T73] inet6_addr_add+0x30e/0xa40 [ 2001.205072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.205072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.205072][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.205072][ T73] netlink_unicast+0x449/0x710 [ 2001.205072][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.205072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.205072][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.205072][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.205072][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.205072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.205072][ T73] [ 2001.207148][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.207148][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.207148][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.207148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.207148][ T73] ip6_route_add+0x1c/0x140 [ 2001.207148][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.207148][ T73] addrconf_add_dev+0xe2/0x170 [ 2001.207148][ T73] inet6_addr_add+0x12f/0xa40 [ 2001.207148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.207148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.207148][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.207148][ T73] netlink_unicast+0x449/0x710 [ 2001.207148][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.207148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.207148][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.207148][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.207148][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.207148][ T73] [ 2001.209130][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.209130][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2001.209130][ T73] ipv6_find_idev+0x102/0x170 [ 2001.209130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.209130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.209130][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.209130][ T73] netlink_unicast+0x449/0x710 [ 2001.209130][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.209130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.209130][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.209130][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.209130][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.209130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.209130][ T73] [ 2001.210661][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2001.210661][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2001.210661][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2001.210661][ T73] ipv6_find_idev+0x102/0x170 [ 2001.210661][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.210661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.210661][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.210661][ T73] netlink_unicast+0x449/0x710 [ 2001.210661][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.210661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.210661][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.210661][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.210661][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.210661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.210661][ T73] [ 2001.212388][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2001.212708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.212708][ T73] dst_init+0x84/0x4a0 [ 2001.212708][ T73] dst_alloc+0x97/0x150 [ 2001.212708][ T73] ip6_dst_alloc+0x23/0x90 [ 2001.212708][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2001.212708][ T73] ip6_pol_route+0x56f/0x840 [ 2001.212708][ T73] fib6_rule_lookup+0x456/0x630 [ 2001.212708][ T73] ip6_route_input+0x59c/0xa50 [ 2001.212708][ T73] ipv6_rcv+0x397/0x810 [ 2001.212708][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2001.212708][ T73] process_backlog+0x101/0x620 [ 2001.212708][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2001.212708][ T73] net_rx_action+0x495/0xbe0 [ 2001.212708][ T73] __do_softirq+0x1b5/0x7f6 [ 2001.212708][ T73] [ 2001.214439][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.214439][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.214439][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.214439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.214439][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2001.214439][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2001.214439][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2001.214439][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2001.214439][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2001.214439][ T73] addrconf_dad_begin+0x310/0x670 [ 2001.214439][ T73] addrconf_dad_work+0x10b/0xab0 [ 2001.214439][ T73] process_one_work+0x84d/0x18a0 [ 2001.214439][ T73] worker_thread+0x587/0xd30 [ 2001.214439][ T73] kthread+0x28a/0x350 [ 2001.214439][ T73] ret_from_fork+0x31/0x70 [ 2001.214439][ T73] ret_from_fork_asm+0x1a/0x30 [ 2001.214439][ T73] [ 2001.216370][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.216370][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.216370][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.216370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.216370][ T73] ip6_route_add+0x1c/0x140 [ 2001.216370][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2001.216370][ T73] inet6_addr_add+0x4f8/0xa40 [ 2001.216370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.216370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.216370][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.216370][ T73] netlink_unicast+0x449/0x710 [ 2001.216370][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.216370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.216370][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.216370][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.216370][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.216370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.216370][ T73] [ 2001.218350][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.218350][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.218350][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.218350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.218350][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2001.218350][ T73] ipv6_add_addr+0x411/0x2000 [ 2001.218350][ T73] inet6_addr_add+0x30e/0xa40 [ 2001.218350][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.218350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.218350][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.218350][ T73] netlink_unicast+0x449/0x710 [ 2001.218350][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.218350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.218350][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.218350][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.218350][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.218350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.218350][ T73] [ 2001.220346][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.220346][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.220346][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.220346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.220346][ T73] ip6_route_add+0x1c/0x140 [ 2001.220346][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.220346][ T73] addrconf_add_dev+0xe2/0x170 [ 2001.220346][ T73] inet6_addr_add+0x12f/0xa40 [ 2001.220346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.220346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.220346][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.220346][ T73] netlink_unicast+0x449/0x710 [ 2001.220346][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.220346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.220346][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.220346][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.220346][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.220346][ T73] [ 2001.222313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.222313][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2001.222313][ T73] ipv6_find_idev+0x102/0x170 [ 2001.222313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.222313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.222313][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.222313][ T73] netlink_unicast+0x449/0x710 [ 2001.222313][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.222313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.222313][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.222313][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.222313][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.222313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.222313][ T73] [ 2001.223838][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2001.223838][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2001.223838][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2001.223838][ T73] ipv6_find_idev+0x102/0x170 [ 2001.223838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.223838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.223838][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.223838][ T73] netlink_unicast+0x449/0x710 [ 2001.223838][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.223838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.223838][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.223838][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.223838][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.223838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.223838][ T73] [ 2001.225638][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2001.225915][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.225915][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2001.225915][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2001.225915][ T73] fib6_nh_init+0xa22/0x1580 [ 2001.225915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.225915][ T73] ip6_route_add+0x1c/0x140 [ 2001.225915][ T73] inet6_rtm_newroute+0x104/0x110 [ 2001.225915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.225915][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.225915][ T73] netlink_unicast+0x449/0x710 [ 2001.225915][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.225915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.225915][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.225915][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.225915][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.225915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.225915][ T73] [ 2001.228022][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.228022][ T73] dst_init+0x84/0x4a0 [ 2001.228022][ T73] dst_alloc+0x97/0x150 [ 2001.228022][ T73] ip6_dst_alloc+0x23/0x90 [ 2001.228022][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2001.228022][ T73] ip6_pol_route+0x56f/0x840 [ 2001.228022][ T73] fib6_rule_lookup+0x456/0x630 [ 2001.228022][ T73] ip6_route_input+0x59c/0xa50 [ 2001.228022][ T73] ipv6_rcv+0x397/0x810 [ 2001.228022][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2001.228022][ T73] process_backlog+0x101/0x620 [ 2001.228022][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2001.228022][ T73] net_rx_action+0x495/0xbe0 [ 2001.228022][ T73] __do_softirq+0x1b5/0x7f6 [ 2001.228022][ T73] [ 2001.229821][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.229821][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.229821][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.229821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.229821][ T73] ip6_route_add+0x1c/0x140 [ 2001.229821][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2001.229821][ T73] inet6_addr_add+0x4f8/0xa40 [ 2001.229821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.229821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.229821][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.229821][ T73] netlink_unicast+0x449/0x710 [ 2001.229821][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.229821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.229821][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.229821][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.229821][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.229821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.229821][ T73] [ 2001.232064][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.232064][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.232064][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.232064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.232064][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2001.232064][ T73] ipv6_add_addr+0x411/0x2000 [ 2001.232064][ T73] inet6_addr_add+0x30e/0xa40 [ 2001.232064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.232064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.232064][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.232064][ T73] netlink_unicast+0x449/0x710 [ 2001.232064][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.232064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.232064][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.232064][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.232064][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.232064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.232064][ T73] [ 2001.234352][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.234352][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.234352][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.234352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.234352][ T73] ip6_route_add+0x1c/0x140 [ 2001.234352][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.234352][ T73] addrconf_add_dev+0xe2/0x170 [ 2001.234352][ T73] inet6_addr_add+0x12f/0xa40 [ 2001.234352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.234352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.234352][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.234352][ T73] netlink_unicast+0x449/0x710 [ 2001.234352][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.234352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.234352][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.234352][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.234352][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.234352][ T73] [ 2001.236539][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.236539][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2001.236539][ T73] ipv6_find_idev+0x102/0x170 [ 2001.236539][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.236539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.236539][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.236539][ T73] netlink_unicast+0x449/0x710 [ 2001.236539][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.236539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.236539][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.236539][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.236539][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.236539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.236539][ T73] [ 2001.238184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2001.238184][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2001.238184][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2001.238184][ T73] ipv6_find_idev+0x102/0x170 [ 2001.238184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.238184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.238184][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.238184][ T73] netlink_unicast+0x449/0x710 [ 2001.238184][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.238184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.238184][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.238184][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.238184][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.238184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.238184][ T73] [ 2001.240091][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2001.240366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2001.240366][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.240366][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.240366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.240366][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2001.240366][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2001.240366][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2001.240366][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2001.240366][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2001.240366][ T73] addrconf_dad_begin+0x310/0x670 [ 2001.240366][ T73] addrconf_dad_work+0x10b/0xab0 [ 2001.240366][ T73] process_one_work+0x84d/0x18a0 [ 2001.240366][ T73] worker_thread+0x587/0xd30 [ 2001.240366][ T73] kthread+0x28a/0x350 [ 2001.240366][ T73] ret_from_fork+0x31/0x70 [ 2001.240366][ T73] ret_from_fork_asm+0x1a/0x30 [ 2001.240366][ T73] [ 2001.242643][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2001.242643][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.242643][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.242643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.242643][ T73] ip6_route_add+0x1c/0x140 [ 2001.242643][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2001.242643][ T73] inet6_addr_add+0x4f8/0xa40 [ 2001.242643][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.242643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.242643][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.242643][ T73] netlink_unicast+0x449/0x710 [ 2001.242643][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.242643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.242643][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.242643][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.242643][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.242643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.242643][ T73] [ 2001.245008][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2001.245008][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.245008][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.245008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.245008][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2001.245008][ T73] ipv6_add_addr+0x411/0x2000 [ 2001.245008][ T73] inet6_addr_add+0x30e/0xa40 [ 2001.245008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.245008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.245008][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.245008][ T73] netlink_unicast+0x449/0x710 [ 2001.245008][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.245008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.245008][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.245008][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.245008][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.245008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.245008][ T73] [ 2001.247294][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2001.247294][ T73] netdev_get_by_index+0x5e/0x80 [ 2001.247294][ T73] fib6_nh_init+0x3d8/0x1580 [ 2001.247294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2001.247294][ T73] ip6_route_add+0x1c/0x140 [ 2001.247294][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.247294][ T73] addrconf_add_dev+0xe2/0x170 [ 2001.247294][ T73] inet6_addr_add+0x12f/0xa40 [ 2001.247294][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.247294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.247294][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.247294][ T73] netlink_unicast+0x449/0x710 [ 2001.247294][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.247294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.247294][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.247294][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.247294][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.247294][ T73] [ 2001.249482][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2001.249482][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2001.249482][ T73] ipv6_find_idev+0x102/0x170 [ 2001.249482][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.249482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.249482][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.249482][ T73] netlink_unicast+0x449/0x710 [ 2001.249482][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.249482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.249482][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.249482][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.249482][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.249482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.249482][ T73] [ 2001.251196][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2001.251196][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2001.251196][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2001.251196][ T73] ipv6_find_idev+0x102/0x170 [ 2001.251196][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.251196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.251196][ T73] netlink_rcv_skb+0x130/0x360 [ 2001.251196][ T73] netlink_unicast+0x449/0x710 [ 2001.251196][ T73] netlink_sendmsg+0x723/0xbe0 [ 2001.251196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2001.251196][ T73] ___sys_sendmsg+0xee/0x170 [ 2001.251196][ T73] __sys_sendmsg+0xcd/0x170 [ 2001.251196][ T73] do_syscall_64+0xc6/0x1e0 [ 2001.251196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.251196][ T73] [ 2011.494913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2011.495410][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.495410][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2011.495410][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2011.495410][ T73] fib6_nh_init+0xa22/0x1580 [ 2011.495410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.495410][ T73] ip6_route_add+0x1c/0x140 [ 2011.495410][ T73] inet6_rtm_newroute+0x104/0x110 [ 2011.495410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.495410][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.495410][ T73] netlink_unicast+0x449/0x710 [ 2011.495410][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.495410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.495410][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.495410][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.495410][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.495410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.495410][ T73] [ 2011.497297][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.497297][ T73] dst_init+0x84/0x4a0 [ 2011.497297][ T73] dst_alloc+0x97/0x150 [ 2011.497297][ T73] ip6_dst_alloc+0x23/0x90 [ 2011.497297][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2011.497297][ T73] ip6_pol_route+0x56f/0x840 [ 2011.497297][ T73] fib6_rule_lookup+0x456/0x630 [ 2011.497297][ T73] ip6_route_input+0x59c/0xa50 [ 2011.497297][ T73] ipv6_rcv+0x397/0x810 [ 2011.497297][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2011.497297][ T73] process_backlog+0x101/0x620 [ 2011.497297][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2011.497297][ T73] net_rx_action+0x495/0xbe0 [ 2011.497297][ T73] __do_softirq+0x1b5/0x7f6 [ 2011.497297][ T73] [ 2011.498937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.498937][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.498937][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.498937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.498937][ T73] ip6_route_add+0x1c/0x140 [ 2011.498937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2011.498937][ T73] inet6_addr_add+0x4f8/0xa40 [ 2011.498937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.498937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.498937][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.498937][ T73] netlink_unicast+0x449/0x710 [ 2011.498937][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.498937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.498937][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.498937][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.498937][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.498937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.498937][ T73] [ 2011.500958][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.500958][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.500958][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.500958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.500958][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2011.500958][ T73] ipv6_add_addr+0x411/0x2000 [ 2011.500958][ T73] inet6_addr_add+0x30e/0xa40 [ 2011.500958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.500958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.500958][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.500958][ T73] netlink_unicast+0x449/0x710 [ 2011.500958][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.500958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.500958][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.500958][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.500958][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.500958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.500958][ T73] [ 2011.503067][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.503067][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.503067][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.503067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.503067][ T73] ip6_route_add+0x1c/0x140 [ 2011.503067][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.503067][ T73] addrconf_add_dev+0xe2/0x170 [ 2011.503067][ T73] inet6_addr_add+0x12f/0xa40 [ 2011.503067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.503067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.503067][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.503067][ T73] netlink_unicast+0x449/0x710 [ 2011.503067][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.503067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.503067][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.503067][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.503067][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.503067][ T73] [ 2011.505038][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.505038][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2011.505038][ T73] ipv6_find_idev+0x102/0x170 [ 2011.505038][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.505038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.505038][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.505038][ T73] netlink_unicast+0x449/0x710 [ 2011.505038][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.505038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.505038][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.505038][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.505038][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.505038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.505038][ T73] [ 2011.506574][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2011.506574][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2011.506574][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2011.506574][ T73] ipv6_find_idev+0x102/0x170 [ 2011.506574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.506574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.506574][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.506574][ T73] netlink_unicast+0x449/0x710 [ 2011.506574][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.506574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.506574][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.506574][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.506574][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.506574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.506574][ T73] [ 2011.508277][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2011.508554][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.508554][ T73] dst_init+0x84/0x4a0 [ 2011.508554][ T73] dst_alloc+0x97/0x150 [ 2011.508554][ T73] ip6_dst_alloc+0x23/0x90 [ 2011.508554][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2011.508554][ T73] ip6_pol_route+0x56f/0x840 [ 2011.508554][ T73] fib6_rule_lookup+0x456/0x630 [ 2011.508554][ T73] ip6_route_input+0x59c/0xa50 [ 2011.508554][ T73] ipv6_rcv+0x397/0x810 [ 2011.508554][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2011.508554][ T73] process_backlog+0x101/0x620 [ 2011.508554][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2011.508554][ T73] net_rx_action+0x495/0xbe0 [ 2011.508554][ T73] __do_softirq+0x1b5/0x7f6 [ 2011.508554][ T73] [ 2011.510225][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.510225][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.510225][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.510225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.510225][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2011.510225][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2011.510225][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2011.510225][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2011.510225][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2011.510225][ T73] addrconf_dad_begin+0x310/0x670 [ 2011.510225][ T73] addrconf_dad_work+0x10b/0xab0 [ 2011.510225][ T73] process_one_work+0x84d/0x18a0 [ 2011.510225][ T73] worker_thread+0x587/0xd30 [ 2011.510225][ T73] kthread+0x28a/0x350 [ 2011.510225][ T73] ret_from_fork+0x31/0x70 [ 2011.510225][ T73] ret_from_fork_asm+0x1a/0x30 [ 2011.510225][ T73] [ 2011.512142][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.512142][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.512142][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.512142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.512142][ T73] ip6_route_add+0x1c/0x140 [ 2011.512142][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2011.512142][ T73] inet6_addr_add+0x4f8/0xa40 [ 2011.512142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.512142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.512142][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.512142][ T73] netlink_unicast+0x449/0x710 [ 2011.512142][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.512142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.512142][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.512142][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.512142][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.512142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.512142][ T73] [ 2011.514147][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.514147][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.514147][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.514147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.514147][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2011.514147][ T73] ipv6_add_addr+0x411/0x2000 [ 2011.514147][ T73] inet6_addr_add+0x30e/0xa40 [ 2011.514147][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.514147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.514147][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.514147][ T73] netlink_unicast+0x449/0x710 [ 2011.514147][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.514147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.514147][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.514147][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.514147][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.514147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.514147][ T73] [ 2011.516175][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.516175][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.516175][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.516175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.516175][ T73] ip6_route_add+0x1c/0x140 [ 2011.516175][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.516175][ T73] addrconf_add_dev+0xe2/0x170 [ 2011.516175][ T73] inet6_addr_add+0x12f/0xa40 [ 2011.516175][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.516175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.516175][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.516175][ T73] netlink_unicast+0x449/0x710 [ 2011.516175][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.516175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.516175][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.516175][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.516175][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.516175][ T73] [ 2011.518126][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.518126][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2011.518126][ T73] ipv6_find_idev+0x102/0x170 [ 2011.518126][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.518126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.518126][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.518126][ T73] netlink_unicast+0x449/0x710 [ 2011.518126][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.518126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.518126][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.518126][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.518126][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.518126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.518126][ T73] [ 2011.519651][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2011.519651][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2011.519651][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2011.519651][ T73] ipv6_find_idev+0x102/0x170 [ 2011.519651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.519651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.519651][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.519651][ T73] netlink_unicast+0x449/0x710 [ 2011.519651][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.519651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.519651][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.519651][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.519651][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.519651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.519651][ T73] [ 2011.521410][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2011.521679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.521679][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2011.521679][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2011.521679][ T73] fib6_nh_init+0xa22/0x1580 [ 2011.521679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.521679][ T73] ip6_route_add+0x1c/0x140 [ 2011.521679][ T73] inet6_rtm_newroute+0x104/0x110 [ 2011.521679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.521679][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.521679][ T73] netlink_unicast+0x449/0x710 [ 2011.521679][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.521679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.521679][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.521679][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.521679][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.521679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.521679][ T73] [ 2011.523865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.523865][ T73] dst_init+0x84/0x4a0 [ 2011.523865][ T73] dst_alloc+0x97/0x150 [ 2011.523865][ T73] ip6_dst_alloc+0x23/0x90 [ 2011.523865][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2011.523865][ T73] ip6_pol_route+0x56f/0x840 [ 2011.523865][ T73] fib6_rule_lookup+0x456/0x630 [ 2011.523865][ T73] ip6_route_input+0x59c/0xa50 [ 2011.523865][ T73] ipv6_rcv+0x397/0x810 [ 2011.523865][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2011.523865][ T73] process_backlog+0x101/0x620 [ 2011.523865][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2011.523865][ T73] net_rx_action+0x495/0xbe0 [ 2011.523865][ T73] __do_softirq+0x1b5/0x7f6 [ 2011.523865][ T73] [ 2011.525681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.525681][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.525681][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.525681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.525681][ T73] ip6_route_add+0x1c/0x140 [ 2011.525681][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2011.525681][ T73] inet6_addr_add+0x4f8/0xa40 [ 2011.525681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.525681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.525681][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.525681][ T73] netlink_unicast+0x449/0x710 [ 2011.525681][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.525681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.525681][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.525681][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.525681][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.525681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.525681][ T73] [ 2011.527911][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.527911][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.527911][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.527911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.527911][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2011.527911][ T73] ipv6_add_addr+0x411/0x2000 [ 2011.527911][ T73] inet6_addr_add+0x30e/0xa40 [ 2011.527911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.527911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.527911][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.527911][ T73] netlink_unicast+0x449/0x710 [ 2011.527911][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.527911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.527911][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.527911][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.527911][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.527911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.527911][ T73] [ 2011.530100][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.530100][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.530100][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.530100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.530100][ T73] ip6_route_add+0x1c/0x140 [ 2011.530100][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.530100][ T73] addrconf_add_dev+0xe2/0x170 [ 2011.530100][ T73] inet6_addr_add+0x12f/0xa40 [ 2011.530100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.530100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.530100][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.530100][ T73] netlink_unicast+0x449/0x710 [ 2011.530100][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.530100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.530100][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.530100][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.530100][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.530100][ T73] [ 2011.532376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.532376][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2011.532376][ T73] ipv6_find_idev+0x102/0x170 [ 2011.532376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.532376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.532376][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.532376][ T73] netlink_unicast+0x449/0x710 [ 2011.532376][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.532376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.532376][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.532376][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.532376][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.532376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.532376][ T73] [ 2011.534050][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2011.534050][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2011.534050][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2011.534050][ T73] ipv6_find_idev+0x102/0x170 [ 2011.534050][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.534050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.534050][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.534050][ T73] netlink_unicast+0x449/0x710 [ 2011.534050][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.534050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.534050][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.534050][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.534050][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.534050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.534050][ T73] [ 2011.535987][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2011.536261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2011.536261][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.536261][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.536261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.536261][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2011.536261][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2011.536261][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2011.536261][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2011.536261][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2011.536261][ T73] addrconf_dad_begin+0x310/0x670 [ 2011.536261][ T73] addrconf_dad_work+0x10b/0xab0 [ 2011.536261][ T73] process_one_work+0x84d/0x18a0 [ 2011.536261][ T73] worker_thread+0x587/0xd30 [ 2011.536261][ T73] kthread+0x28a/0x350 [ 2011.536261][ T73] ret_from_fork+0x31/0x70 [ 2011.536261][ T73] ret_from_fork_asm+0x1a/0x30 [ 2011.536261][ T73] [ 2011.538412][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2011.538412][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.538412][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.538412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.538412][ T73] ip6_route_add+0x1c/0x140 [ 2011.538412][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2011.538412][ T73] inet6_addr_add+0x4f8/0xa40 [ 2011.538412][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.538412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.538412][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.538412][ T73] netlink_unicast+0x449/0x710 [ 2011.538412][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.538412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.538412][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.538412][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.538412][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.538412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.538412][ T73] [ 2011.541183][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2011.541183][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.541183][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.541183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.541183][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2011.541183][ T73] ipv6_add_addr+0x411/0x2000 [ 2011.541183][ T73] inet6_addr_add+0x30e/0xa40 [ 2011.541183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.541183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.541183][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.541183][ T73] netlink_unicast+0x449/0x710 [ 2011.541183][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.541183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.541183][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.541183][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.541183][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.541183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.541183][ T73] [ 2011.543414][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2011.543414][ T73] netdev_get_by_index+0x5e/0x80 [ 2011.543414][ T73] fib6_nh_init+0x3d8/0x1580 [ 2011.543414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2011.543414][ T73] ip6_route_add+0x1c/0x140 [ 2011.543414][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.543414][ T73] addrconf_add_dev+0xe2/0x170 [ 2011.543414][ T73] inet6_addr_add+0x12f/0xa40 [ 2011.543414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.543414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.543414][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.543414][ T73] netlink_unicast+0x449/0x710 [ 2011.543414][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.543414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.543414][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.543414][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.543414][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.543414][ T73] [ 2011.545660][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2011.545660][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2011.545660][ T73] ipv6_find_idev+0x102/0x170 [ 2011.545660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.545660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.545660][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.545660][ T73] netlink_unicast+0x449/0x710 [ 2011.545660][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.545660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.545660][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.545660][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.545660][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.545660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.545660][ T73] [ 2011.547438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2011.547438][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2011.547438][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2011.547438][ T73] ipv6_find_idev+0x102/0x170 [ 2011.547438][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.547438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.547438][ T73] netlink_rcv_skb+0x130/0x360 [ 2011.547438][ T73] netlink_unicast+0x449/0x710 [ 2011.547438][ T73] netlink_sendmsg+0x723/0xbe0 [ 2011.547438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2011.547438][ T73] ___sys_sendmsg+0xee/0x170 [ 2011.547438][ T73] __sys_sendmsg+0xcd/0x170 [ 2011.547438][ T73] do_syscall_64+0xc6/0x1e0 [ 2011.547438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.547438][ T73] [ 2021.814955][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2021.815419][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.815419][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2021.815419][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2021.815419][ T73] fib6_nh_init+0xa22/0x1580 [ 2021.815419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.815419][ T73] ip6_route_add+0x1c/0x140 [ 2021.815419][ T73] inet6_rtm_newroute+0x104/0x110 [ 2021.815419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.815419][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.815419][ T73] netlink_unicast+0x449/0x710 [ 2021.815419][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.815419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.815419][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.815419][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.815419][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.815419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.815419][ T73] [ 2021.817403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.817403][ T73] dst_init+0x84/0x4a0 [ 2021.817403][ T73] dst_alloc+0x97/0x150 [ 2021.817403][ T73] ip6_dst_alloc+0x23/0x90 [ 2021.817403][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2021.817403][ T73] ip6_pol_route+0x56f/0x840 [ 2021.817403][ T73] fib6_rule_lookup+0x456/0x630 [ 2021.817403][ T73] ip6_route_input+0x59c/0xa50 [ 2021.817403][ T73] ipv6_rcv+0x397/0x810 [ 2021.817403][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2021.817403][ T73] process_backlog+0x101/0x620 [ 2021.817403][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2021.817403][ T73] net_rx_action+0x495/0xbe0 [ 2021.817403][ T73] __do_softirq+0x1b5/0x7f6 [ 2021.817403][ T73] [ 2021.819129][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.819129][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.819129][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.819129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.819129][ T73] ip6_route_add+0x1c/0x140 [ 2021.819129][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2021.819129][ T73] inet6_addr_add+0x4f8/0xa40 [ 2021.819129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.819129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.819129][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.819129][ T73] netlink_unicast+0x449/0x710 [ 2021.819129][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.819129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.819129][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.819129][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.819129][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.819129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.819129][ T73] [ 2021.821240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.821240][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.821240][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.821240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.821240][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2021.821240][ T73] ipv6_add_addr+0x411/0x2000 [ 2021.821240][ T73] inet6_addr_add+0x30e/0xa40 [ 2021.821240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.821240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.821240][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.821240][ T73] netlink_unicast+0x449/0x710 [ 2021.821240][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.821240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.821240][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.821240][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.821240][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.821240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.821240][ T73] [ 2021.823341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.823341][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.823341][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.823341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.823341][ T73] ip6_route_add+0x1c/0x140 [ 2021.823341][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2021.823341][ T73] addrconf_add_dev+0xe2/0x170 [ 2021.823341][ T73] inet6_addr_add+0x12f/0xa40 [ 2021.823341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.823341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.823341][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.823341][ T73] netlink_unicast+0x449/0x710 [ 2021.823341][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.823341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.823341][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.823341][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.823341][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.823341][ T73] [ 2021.825444][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.825444][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2021.825444][ T73] ipv6_find_idev+0x102/0x170 [ 2021.825444][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.825444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.825444][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.825444][ T73] netlink_unicast+0x449/0x710 [ 2021.825444][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.825444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.825444][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.825444][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.825444][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.825444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.825444][ T73] [ 2021.827006][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2021.827006][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2021.827006][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2021.827006][ T73] ipv6_find_idev+0x102/0x170 [ 2021.827006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.827006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.827006][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.827006][ T73] netlink_unicast+0x449/0x710 [ 2021.827006][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.827006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.827006][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.827006][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.827006][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.827006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.827006][ T73] [ 2021.828750][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2021.829055][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.829055][ T73] dst_init+0x84/0x4a0 [ 2021.829055][ T73] dst_alloc+0x97/0x150 [ 2021.829055][ T73] ip6_dst_alloc+0x23/0x90 [ 2021.829055][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2021.829055][ T73] ip6_pol_route+0x56f/0x840 [ 2021.829055][ T73] fib6_rule_lookup+0x456/0x630 [ 2021.829055][ T73] ip6_route_input+0x59c/0xa50 [ 2021.829055][ T73] ipv6_rcv+0x397/0x810 [ 2021.829055][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2021.829055][ T73] process_backlog+0x101/0x620 [ 2021.829055][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2021.829055][ T73] net_rx_action+0x495/0xbe0 [ 2021.829055][ T73] __do_softirq+0x1b5/0x7f6 [ 2021.829055][ T73] [ 2021.830724][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.830724][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.830724][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.830724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.830724][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2021.830724][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2021.830724][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2021.830724][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2021.830724][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2021.830724][ T73] addrconf_dad_begin+0x310/0x670 [ 2021.830724][ T73] addrconf_dad_work+0x10b/0xab0 [ 2021.830724][ T73] process_one_work+0x84d/0x18a0 [ 2021.830724][ T73] worker_thread+0x587/0xd30 [ 2021.830724][ T73] kthread+0x28a/0x350 [ 2021.830724][ T73] ret_from_fork+0x31/0x70 [ 2021.830724][ T73] ret_from_fork_asm+0x1a/0x30 [ 2021.830724][ T73] [ 2021.832656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.832656][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.832656][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.832656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.832656][ T73] ip6_route_add+0x1c/0x140 [ 2021.832656][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2021.832656][ T73] inet6_addr_add+0x4f8/0xa40 [ 2021.832656][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.832656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.832656][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.832656][ T73] netlink_unicast+0x449/0x710 [ 2021.832656][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.832656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.832656][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.832656][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.832656][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.832656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.832656][ T73] [ 2021.834673][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.834673][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.834673][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.834673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.834673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2021.834673][ T73] ipv6_add_addr+0x411/0x2000 [ 2021.834673][ T73] inet6_addr_add+0x30e/0xa40 [ 2021.834673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.834673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.834673][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.834673][ T73] netlink_unicast+0x449/0x710 [ 2021.834673][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.834673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.834673][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.834673][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.834673][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.834673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.834673][ T73] [ 2021.836700][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.836700][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.836700][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.836700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.836700][ T73] ip6_route_add+0x1c/0x140 [ 2021.836700][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2021.836700][ T73] addrconf_add_dev+0xe2/0x170 [ 2021.836700][ T73] inet6_addr_add+0x12f/0xa40 [ 2021.836700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.836700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.836700][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.836700][ T73] netlink_unicast+0x449/0x710 [ 2021.836700][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.836700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.836700][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.836700][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.836700][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.836700][ T73] [ 2021.839148][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.839148][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2021.839148][ T73] ipv6_find_idev+0x102/0x170 [ 2021.839148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.839148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.839148][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.839148][ T73] netlink_unicast+0x449/0x710 [ 2021.839148][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.839148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.839148][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.839148][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.839148][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.839148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.839148][ T73] [ 2021.840762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2021.840762][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2021.840762][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2021.840762][ T73] ipv6_find_idev+0x102/0x170 [ 2021.840762][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.840762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.840762][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.840762][ T73] netlink_unicast+0x449/0x710 [ 2021.840762][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.840762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.840762][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.840762][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.840762][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.840762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.840762][ T73] [ 2021.842668][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2021.843409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.843409][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2021.843409][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2021.843409][ T73] fib6_nh_init+0xa22/0x1580 [ 2021.843409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.843409][ T73] ip6_route_add+0x1c/0x140 [ 2021.843409][ T73] inet6_rtm_newroute+0x104/0x110 [ 2021.843409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.843409][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.843409][ T73] netlink_unicast+0x449/0x710 [ 2021.843409][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.843409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.843409][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.843409][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.843409][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.843409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.843409][ T73] [ 2021.845384][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.845384][ T73] dst_init+0x84/0x4a0 [ 2021.845384][ T73] dst_alloc+0x97/0x150 [ 2021.845384][ T73] ip6_dst_alloc+0x23/0x90 [ 2021.845384][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2021.845384][ T73] ip6_pol_route+0x56f/0x840 [ 2021.845384][ T73] fib6_rule_lookup+0x456/0x630 [ 2021.845384][ T73] ip6_route_input+0x59c/0xa50 [ 2021.845384][ T73] ipv6_rcv+0x397/0x810 [ 2021.845384][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2021.845384][ T73] process_backlog+0x101/0x620 [ 2021.845384][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2021.845384][ T73] net_rx_action+0x495/0xbe0 [ 2021.845384][ T73] __do_softirq+0x1b5/0x7f6 [ 2021.845384][ T73] [ 2021.847180][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.847180][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.847180][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.847180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.847180][ T73] ip6_route_add+0x1c/0x140 [ 2021.847180][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2021.847180][ T73] inet6_addr_add+0x4f8/0xa40 [ 2021.847180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.847180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.847180][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.847180][ T73] netlink_unicast+0x449/0x710 [ 2021.847180][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.847180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.847180][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.847180][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.847180][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.847180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.847180][ T73] [ 2021.849531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.849531][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.849531][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.849531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.849531][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2021.849531][ T73] ipv6_add_addr+0x411/0x2000 [ 2021.849531][ T73] inet6_addr_add+0x30e/0xa40 [ 2021.849531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.849531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.849531][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.849531][ T73] netlink_unicast+0x449/0x710 [ 2021.849531][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.849531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.849531][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.849531][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.849531][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.849531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.849531][ T73] [ 2021.851890][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.851890][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.851890][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.851890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.851890][ T73] ip6_route_add+0x1c/0x140 [ 2021.851890][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2021.851890][ T73] addrconf_add_dev+0xe2/0x170 [ 2021.851890][ T73] inet6_addr_add+0x12f/0xa40 [ 2021.851890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.851890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.851890][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.851890][ T73] netlink_unicast+0x449/0x710 [ 2021.851890][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.851890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.851890][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.851890][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.851890][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.851890][ T73] [ 2021.854234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.854234][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2021.854234][ T73] ipv6_find_idev+0x102/0x170 [ 2021.854234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.854234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.854234][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.854234][ T73] netlink_unicast+0x449/0x710 [ 2021.854234][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.854234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.854234][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.854234][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.854234][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.854234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.854234][ T73] [ 2021.855960][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2021.855960][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2021.855960][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2021.855960][ T73] ipv6_find_idev+0x102/0x170 [ 2021.855960][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.855960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.855960][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.855960][ T73] netlink_unicast+0x449/0x710 [ 2021.855960][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.855960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.855960][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.855960][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.855960][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.855960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.855960][ T73] [ 2021.857894][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2021.858220][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2021.858220][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.858220][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.858220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.858220][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2021.858220][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2021.858220][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2021.858220][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2021.858220][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2021.858220][ T73] addrconf_dad_begin+0x310/0x670 [ 2021.858220][ T73] addrconf_dad_work+0x10b/0xab0 [ 2021.858220][ T73] process_one_work+0x84d/0x18a0 [ 2021.858220][ T73] worker_thread+0x587/0xd30 [ 2021.858220][ T73] kthread+0x28a/0x350 [ 2021.858220][ T73] ret_from_fork+0x31/0x70 [ 2021.858220][ T73] ret_from_fork_asm+0x1a/0x30 [ 2021.858220][ T73] [ 2021.860323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2021.860323][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.860323][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.860323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.860323][ T73] ip6_route_add+0x1c/0x140 [ 2021.860323][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2021.860323][ T73] inet6_addr_add+0x4f8/0xa40 [ 2021.860323][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.860323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.860323][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.860323][ T73] netlink_unicast+0x449/0x710 [ 2021.860323][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.860323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.860323][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.860323][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.860323][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.860323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.860323][ T73] [ 2021.862666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2021.862666][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.862666][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.862666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.862666][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2021.862666][ T73] ipv6_add_addr+0x411/0x2000 [ 2021.862666][ T73] inet6_addr_add+0x30e/0xa40 [ 2021.862666][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.862666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.862666][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.862666][ T73] netlink_unicast+0x449/0x710 [ 2021.862666][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.862666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.862666][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.862666][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.862666][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.862666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.862666][ T73] [ 2021.864854][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2021.864854][ T73] netdev_get_by_index+0x5e/0x80 [ 2021.864854][ T73] fib6_nh_init+0x3d8/0x1580 [ 2021.864854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2021.864854][ T73] ip6_route_add+0x1c/0x140 [ 2021.864854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2021.864854][ T73] addrconf_add_dev+0xe2/0x170 [ 2021.864854][ T73] inet6_addr_add+0x12f/0xa40 [ 2021.864854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.864854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.864854][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.864854][ T73] netlink_unicast+0x449/0x710 [ 2021.864854][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.864854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.864854][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.864854][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.864854][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.864854][ T73] [ 2021.867111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2021.867111][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2021.867111][ T73] ipv6_find_idev+0x102/0x170 [ 2021.867111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.867111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.867111][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.867111][ T73] netlink_unicast+0x449/0x710 [ 2021.867111][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.867111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.867111][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.867111][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.867111][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.867111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.867111][ T73] [ 2021.868917][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2021.868917][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2021.868917][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2021.868917][ T73] ipv6_find_idev+0x102/0x170 [ 2021.868917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.868917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.868917][ T73] netlink_rcv_skb+0x130/0x360 [ 2021.868917][ T73] netlink_unicast+0x449/0x710 [ 2021.868917][ T73] netlink_sendmsg+0x723/0xbe0 [ 2021.868917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2021.868917][ T73] ___sys_sendmsg+0xee/0x170 [ 2021.868917][ T73] __sys_sendmsg+0xcd/0x170 [ 2021.868917][ T73] do_syscall_64+0xc6/0x1e0 [ 2021.868917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.868917][ T73] [ 2032.006818][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2032.007274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.007274][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2032.007274][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2032.007274][ T73] fib6_nh_init+0xa22/0x1580 [ 2032.007274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.007274][ T73] ip6_route_add+0x1c/0x140 [ 2032.007274][ T73] inet6_rtm_newroute+0x104/0x110 [ 2032.007274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.007274][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.007274][ T73] netlink_unicast+0x449/0x710 [ 2032.007274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.007274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.007274][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.007274][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.007274][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.007274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.007274][ T73] [ 2032.009225][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.009225][ T73] dst_init+0x84/0x4a0 [ 2032.009225][ T73] dst_alloc+0x97/0x150 [ 2032.009225][ T73] ip6_dst_alloc+0x23/0x90 [ 2032.009225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2032.009225][ T73] ip6_pol_route+0x56f/0x840 [ 2032.009225][ T73] fib6_rule_lookup+0x456/0x630 [ 2032.009225][ T73] ip6_route_input+0x59c/0xa50 [ 2032.009225][ T73] ipv6_rcv+0x397/0x810 [ 2032.009225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2032.009225][ T73] process_backlog+0x101/0x620 [ 2032.009225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2032.009225][ T73] net_rx_action+0x495/0xbe0 [ 2032.009225][ T73] __do_softirq+0x1b5/0x7f6 [ 2032.009225][ T73] [ 2032.010872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.010872][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.010872][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.010872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.010872][ T73] ip6_route_add+0x1c/0x140 [ 2032.010872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2032.010872][ T73] inet6_addr_add+0x4f8/0xa40 [ 2032.010872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.010872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.010872][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.010872][ T73] netlink_unicast+0x449/0x710 [ 2032.010872][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.010872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.010872][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.010872][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.010872][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.010872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.010872][ T73] [ 2032.012889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.012889][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.012889][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.012889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.012889][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2032.012889][ T73] ipv6_add_addr+0x411/0x2000 [ 2032.012889][ T73] inet6_addr_add+0x30e/0xa40 [ 2032.012889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.012889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.012889][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.012889][ T73] netlink_unicast+0x449/0x710 [ 2032.012889][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.012889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.012889][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.012889][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.012889][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.012889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.012889][ T73] [ 2032.014901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.014901][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.014901][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.014901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.014901][ T73] ip6_route_add+0x1c/0x140 [ 2032.014901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.014901][ T73] addrconf_add_dev+0xe2/0x170 [ 2032.014901][ T73] inet6_addr_add+0x12f/0xa40 [ 2032.014901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.014901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.014901][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.014901][ T73] netlink_unicast+0x449/0x710 [ 2032.014901][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.014901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.014901][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.014901][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.014901][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.014901][ T73] [ 2032.016872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.016872][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2032.016872][ T73] ipv6_find_idev+0x102/0x170 [ 2032.016872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.016872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.016872][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.016872][ T73] netlink_unicast+0x449/0x710 [ 2032.016872][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.016872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.016872][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.016872][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.016872][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.016872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.016872][ T73] [ 2032.018425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2032.018425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2032.018425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2032.018425][ T73] ipv6_find_idev+0x102/0x170 [ 2032.018425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.018425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.018425][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.018425][ T73] netlink_unicast+0x449/0x710 [ 2032.018425][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.018425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.018425][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.018425][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.018425][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.018425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.018425][ T73] [ 2032.020152][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2032.020433][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.020433][ T73] dst_init+0x84/0x4a0 [ 2032.020433][ T73] dst_alloc+0x97/0x150 [ 2032.020433][ T73] ip6_dst_alloc+0x23/0x90 [ 2032.020433][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2032.020433][ T73] ip6_pol_route+0x56f/0x840 [ 2032.020433][ T73] fib6_rule_lookup+0x456/0x630 [ 2032.020433][ T73] ip6_route_input+0x59c/0xa50 [ 2032.020433][ T73] ipv6_rcv+0x397/0x810 [ 2032.020433][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2032.020433][ T73] process_backlog+0x101/0x620 [ 2032.020433][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2032.020433][ T73] net_rx_action+0x495/0xbe0 [ 2032.020433][ T73] __do_softirq+0x1b5/0x7f6 [ 2032.020433][ T73] [ 2032.022099][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.022099][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.022099][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.022099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.022099][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2032.022099][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2032.022099][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2032.022099][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2032.022099][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2032.022099][ T73] addrconf_dad_begin+0x310/0x670 [ 2032.022099][ T73] addrconf_dad_work+0x10b/0xab0 [ 2032.022099][ T73] process_one_work+0x84d/0x18a0 [ 2032.022099][ T73] worker_thread+0x587/0xd30 [ 2032.022099][ T73] kthread+0x28a/0x350 [ 2032.022099][ T73] ret_from_fork+0x31/0x70 [ 2032.022099][ T73] ret_from_fork_asm+0x1a/0x30 [ 2032.022099][ T73] [ 2032.024019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.024019][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.024019][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.024019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.024019][ T73] ip6_route_add+0x1c/0x140 [ 2032.024019][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2032.024019][ T73] inet6_addr_add+0x4f8/0xa40 [ 2032.024019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.024019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.024019][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.024019][ T73] netlink_unicast+0x449/0x710 [ 2032.024019][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.024019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.024019][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.024019][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.024019][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.024019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.024019][ T73] [ 2032.026569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.026569][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.026569][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.026569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.026569][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2032.026569][ T73] ipv6_add_addr+0x411/0x2000 [ 2032.026569][ T73] inet6_addr_add+0x30e/0xa40 [ 2032.026569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.026569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.026569][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.026569][ T73] netlink_unicast+0x449/0x710 [ 2032.026569][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.026569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.026569][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.026569][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.026569][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.026569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.026569][ T73] [ 2032.029021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.029021][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.029021][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.029021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.029021][ T73] ip6_route_add+0x1c/0x140 [ 2032.029021][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.029021][ T73] addrconf_add_dev+0xe2/0x170 [ 2032.029021][ T73] inet6_addr_add+0x12f/0xa40 [ 2032.029021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.029021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.029021][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.029021][ T73] netlink_unicast+0x449/0x710 [ 2032.029021][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.029021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.029021][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.029021][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.029021][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.029021][ T73] [ 2032.031015][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.031015][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2032.031015][ T73] ipv6_find_idev+0x102/0x170 [ 2032.031015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.031015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.031015][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.031015][ T73] netlink_unicast+0x449/0x710 [ 2032.031015][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.031015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.031015][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.031015][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.031015][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.031015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.031015][ T73] [ 2032.032572][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2032.032572][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2032.032572][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2032.032572][ T73] ipv6_find_idev+0x102/0x170 [ 2032.032572][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.032572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.032572][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.032572][ T73] netlink_unicast+0x449/0x710 [ 2032.032572][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.032572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.032572][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.032572][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.032572][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.032572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.032572][ T73] [ 2032.034354][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2032.034633][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.034633][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2032.034633][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2032.034633][ T73] fib6_nh_init+0xa22/0x1580 [ 2032.034633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.034633][ T73] ip6_route_add+0x1c/0x140 [ 2032.034633][ T73] inet6_rtm_newroute+0x104/0x110 [ 2032.034633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.034633][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.034633][ T73] netlink_unicast+0x449/0x710 [ 2032.034633][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.034633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.034633][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.034633][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.034633][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.034633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.034633][ T73] [ 2032.036647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.036647][ T73] dst_init+0x84/0x4a0 [ 2032.036647][ T73] dst_alloc+0x97/0x150 [ 2032.036647][ T73] ip6_dst_alloc+0x23/0x90 [ 2032.036647][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2032.036647][ T73] ip6_pol_route+0x56f/0x840 [ 2032.036647][ T73] fib6_rule_lookup+0x456/0x630 [ 2032.036647][ T73] ip6_route_input+0x59c/0xa50 [ 2032.036647][ T73] ipv6_rcv+0x397/0x810 [ 2032.036647][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2032.036647][ T73] process_backlog+0x101/0x620 [ 2032.036647][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2032.036647][ T73] net_rx_action+0x495/0xbe0 [ 2032.036647][ T73] __do_softirq+0x1b5/0x7f6 [ 2032.036647][ T73] [ 2032.038416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.038416][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.038416][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.038416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.038416][ T73] ip6_route_add+0x1c/0x140 [ 2032.038416][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2032.038416][ T73] inet6_addr_add+0x4f8/0xa40 [ 2032.038416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.038416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.038416][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.038416][ T73] netlink_unicast+0x449/0x710 [ 2032.038416][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.038416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.038416][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.038416][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.038416][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.038416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.038416][ T73] [ 2032.040558][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.040558][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.040558][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.040558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.040558][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2032.040558][ T73] ipv6_add_addr+0x411/0x2000 [ 2032.040558][ T73] inet6_addr_add+0x30e/0xa40 [ 2032.040558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.040558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.040558][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.040558][ T73] netlink_unicast+0x449/0x710 [ 2032.040558][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.040558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.040558][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.040558][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.040558][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.040558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.040558][ T73] [ 2032.042699][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.042699][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.042699][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.042699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.042699][ T73] ip6_route_add+0x1c/0x140 [ 2032.042699][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.042699][ T73] addrconf_add_dev+0xe2/0x170 [ 2032.042699][ T73] inet6_addr_add+0x12f/0xa40 [ 2032.042699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.042699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.042699][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.042699][ T73] netlink_unicast+0x449/0x710 [ 2032.042699][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.042699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.042699][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.042699][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.042699][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.042699][ T73] [ 2032.044721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.044721][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2032.044721][ T73] ipv6_find_idev+0x102/0x170 [ 2032.044721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.044721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.044721][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.044721][ T73] netlink_unicast+0x449/0x710 [ 2032.044721][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.044721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.044721][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.044721][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.044721][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.044721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.044721][ T73] [ 2032.046389][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2032.046389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2032.046389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2032.046389][ T73] ipv6_find_idev+0x102/0x170 [ 2032.046389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.046389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.046389][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.046389][ T73] netlink_unicast+0x449/0x710 [ 2032.046389][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.046389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.046389][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.046389][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.046389][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.046389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.046389][ T73] [ 2032.048212][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2032.048491][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2032.048491][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.048491][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.048491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.048491][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2032.048491][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2032.048491][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2032.048491][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2032.048491][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2032.048491][ T73] addrconf_dad_begin+0x310/0x670 [ 2032.048491][ T73] addrconf_dad_work+0x10b/0xab0 [ 2032.048491][ T73] process_one_work+0x84d/0x18a0 [ 2032.048491][ T73] worker_thread+0x587/0xd30 [ 2032.048491][ T73] kthread+0x28a/0x350 [ 2032.048491][ T73] ret_from_fork+0x31/0x70 [ 2032.048491][ T73] ret_from_fork_asm+0x1a/0x30 [ 2032.048491][ T73] [ 2032.050536][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2032.050536][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.050536][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.050536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.050536][ T73] ip6_route_add+0x1c/0x140 [ 2032.050536][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2032.050536][ T73] inet6_addr_add+0x4f8/0xa40 [ 2032.050536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.050536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.050536][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.050536][ T73] netlink_unicast+0x449/0x710 [ 2032.050536][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.050536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.050536][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.050536][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.050536][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.050536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.050536][ T73] [ 2032.052695][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2032.052695][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.052695][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.052695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.052695][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2032.052695][ T73] ipv6_add_addr+0x411/0x2000 [ 2032.052695][ T73] inet6_addr_add+0x30e/0xa40 [ 2032.052695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.052695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.052695][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.052695][ T73] netlink_unicast+0x449/0x710 [ 2032.052695][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.052695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.052695][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.052695][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.052695][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.052695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.052695][ T73] [ 2032.054760][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2032.054760][ T73] netdev_get_by_index+0x5e/0x80 [ 2032.054760][ T73] fib6_nh_init+0x3d8/0x1580 [ 2032.054760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2032.054760][ T73] ip6_route_add+0x1c/0x140 [ 2032.054760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.054760][ T73] addrconf_add_dev+0xe2/0x170 [ 2032.054760][ T73] inet6_addr_add+0x12f/0xa40 [ 2032.054760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.054760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.054760][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.054760][ T73] netlink_unicast+0x449/0x710 [ 2032.054760][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.054760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.054760][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.054760][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.054760][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.054760][ T73] [ 2032.056866][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2032.056866][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2032.056866][ T73] ipv6_find_idev+0x102/0x170 [ 2032.056866][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.056866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.056866][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.056866][ T73] netlink_unicast+0x449/0x710 [ 2032.056866][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.056866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.056866][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.056866][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.056866][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.056866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.056866][ T73] [ 2032.058540][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2032.058540][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2032.058540][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2032.058540][ T73] ipv6_find_idev+0x102/0x170 [ 2032.058540][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.058540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.058540][ T73] netlink_rcv_skb+0x130/0x360 [ 2032.058540][ T73] netlink_unicast+0x449/0x710 [ 2032.058540][ T73] netlink_sendmsg+0x723/0xbe0 [ 2032.058540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2032.058540][ T73] ___sys_sendmsg+0xee/0x170 [ 2032.058540][ T73] __sys_sendmsg+0xcd/0x170 [ 2032.058540][ T73] do_syscall_64+0xc6/0x1e0 [ 2032.058540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.058540][ T73] [ 2042.302973][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2042.303409][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.303409][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2042.303409][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2042.303409][ T73] fib6_nh_init+0xa22/0x1580 [ 2042.303409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.303409][ T73] ip6_route_add+0x1c/0x140 [ 2042.303409][ T73] inet6_rtm_newroute+0x104/0x110 [ 2042.303409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.303409][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.303409][ T73] netlink_unicast+0x449/0x710 [ 2042.303409][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.303409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.303409][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.303409][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.303409][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.303409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.303409][ T73] [ 2042.305330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.305330][ T73] dst_init+0x84/0x4a0 [ 2042.305330][ T73] dst_alloc+0x97/0x150 [ 2042.305330][ T73] ip6_dst_alloc+0x23/0x90 [ 2042.305330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2042.305330][ T73] ip6_pol_route+0x56f/0x840 [ 2042.305330][ T73] fib6_rule_lookup+0x456/0x630 [ 2042.305330][ T73] ip6_route_input+0x59c/0xa50 [ 2042.305330][ T73] ipv6_rcv+0x397/0x810 [ 2042.305330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2042.305330][ T73] process_backlog+0x101/0x620 [ 2042.305330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2042.305330][ T73] net_rx_action+0x495/0xbe0 [ 2042.305330][ T73] __do_softirq+0x1b5/0x7f6 [ 2042.305330][ T73] [ 2042.306962][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.306962][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.306962][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.306962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.306962][ T73] ip6_route_add+0x1c/0x140 [ 2042.306962][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2042.306962][ T73] inet6_addr_add+0x4f8/0xa40 [ 2042.306962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.306962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.306962][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.306962][ T73] netlink_unicast+0x449/0x710 [ 2042.306962][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.306962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.306962][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.306962][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.306962][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.306962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.306962][ T73] [ 2042.308951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.308951][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.308951][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.308951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.308951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2042.308951][ T73] ipv6_add_addr+0x411/0x2000 [ 2042.308951][ T73] inet6_addr_add+0x30e/0xa40 [ 2042.308951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.308951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.308951][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.308951][ T73] netlink_unicast+0x449/0x710 [ 2042.308951][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.308951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.308951][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.308951][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.308951][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.308951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.308951][ T73] [ 2042.310959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.310959][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.310959][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.310959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.310959][ T73] ip6_route_add+0x1c/0x140 [ 2042.310959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.310959][ T73] addrconf_add_dev+0xe2/0x170 [ 2042.310959][ T73] inet6_addr_add+0x12f/0xa40 [ 2042.310959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.310959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.310959][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.310959][ T73] netlink_unicast+0x449/0x710 [ 2042.310959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.310959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.310959][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.310959][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.310959][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.310959][ T73] [ 2042.312912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.312912][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2042.312912][ T73] ipv6_find_idev+0x102/0x170 [ 2042.312912][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.312912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.312912][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.312912][ T73] netlink_unicast+0x449/0x710 [ 2042.312912][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.312912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.312912][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.312912][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.312912][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.312912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.312912][ T73] [ 2042.314445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2042.314445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2042.314445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2042.314445][ T73] ipv6_find_idev+0x102/0x170 [ 2042.314445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.314445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.314445][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.314445][ T73] netlink_unicast+0x449/0x710 [ 2042.314445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.314445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.314445][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.314445][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.314445][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.314445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.314445][ T73] [ 2042.316163][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2042.316457][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.316457][ T73] dst_init+0x84/0x4a0 [ 2042.316457][ T73] dst_alloc+0x97/0x150 [ 2042.316457][ T73] ip6_dst_alloc+0x23/0x90 [ 2042.316457][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2042.316457][ T73] ip6_pol_route+0x56f/0x840 [ 2042.316457][ T73] fib6_rule_lookup+0x456/0x630 [ 2042.316457][ T73] ip6_route_input+0x59c/0xa50 [ 2042.316457][ T73] ipv6_rcv+0x397/0x810 [ 2042.316457][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2042.316457][ T73] process_backlog+0x101/0x620 [ 2042.316457][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2042.316457][ T73] net_rx_action+0x495/0xbe0 [ 2042.316457][ T73] __do_softirq+0x1b5/0x7f6 [ 2042.316457][ T73] [ 2042.318093][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.318093][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.318093][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.318093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.318093][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2042.318093][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2042.318093][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2042.318093][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2042.318093][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2042.318093][ T73] addrconf_dad_begin+0x310/0x670 [ 2042.318093][ T73] addrconf_dad_work+0x10b/0xab0 [ 2042.318093][ T73] process_one_work+0x84d/0x18a0 [ 2042.318093][ T73] worker_thread+0x587/0xd30 [ 2042.318093][ T73] kthread+0x28a/0x350 [ 2042.318093][ T73] ret_from_fork+0x31/0x70 [ 2042.318093][ T73] ret_from_fork_asm+0x1a/0x30 [ 2042.318093][ T73] [ 2042.319984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.319984][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.319984][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.319984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.319984][ T73] ip6_route_add+0x1c/0x140 [ 2042.319984][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2042.319984][ T73] inet6_addr_add+0x4f8/0xa40 [ 2042.319984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.319984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.319984][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.319984][ T73] netlink_unicast+0x449/0x710 [ 2042.319984][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.319984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.319984][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.319984][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.319984][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.319984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.319984][ T73] [ 2042.321969][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.321969][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.321969][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.321969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.321969][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2042.321969][ T73] ipv6_add_addr+0x411/0x2000 [ 2042.321969][ T73] inet6_addr_add+0x30e/0xa40 [ 2042.321969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.321969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.321969][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.321969][ T73] netlink_unicast+0x449/0x710 [ 2042.321969][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.321969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.321969][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.321969][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.321969][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.321969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.321969][ T73] [ 2042.323999][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.323999][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.323999][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.323999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.323999][ T73] ip6_route_add+0x1c/0x140 [ 2042.323999][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.323999][ T73] addrconf_add_dev+0xe2/0x170 [ 2042.323999][ T73] inet6_addr_add+0x12f/0xa40 [ 2042.323999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.323999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.323999][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.323999][ T73] netlink_unicast+0x449/0x710 [ 2042.323999][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.323999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.323999][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.323999][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.323999][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.323999][ T73] [ 2042.325970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.325970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2042.325970][ T73] ipv6_find_idev+0x102/0x170 [ 2042.325970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.325970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.325970][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.325970][ T73] netlink_unicast+0x449/0x710 [ 2042.325970][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.325970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.325970][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.325970][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.325970][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.325970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.325970][ T73] [ 2042.327498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2042.327498][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2042.327498][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2042.327498][ T73] ipv6_find_idev+0x102/0x170 [ 2042.327498][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.327498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.327498][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.327498][ T73] netlink_unicast+0x449/0x710 [ 2042.327498][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.327498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.327498][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.327498][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.327498][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.327498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.327498][ T73] [ 2042.329286][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2042.329617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.329617][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2042.329617][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2042.329617][ T73] fib6_nh_init+0xa22/0x1580 [ 2042.329617][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.329617][ T73] ip6_route_add+0x1c/0x140 [ 2042.329617][ T73] inet6_rtm_newroute+0x104/0x110 [ 2042.329617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.329617][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.329617][ T73] netlink_unicast+0x449/0x710 [ 2042.329617][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.329617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.329617][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.329617][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.329617][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.329617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.329617][ T73] [ 2042.331671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.331671][ T73] dst_init+0x84/0x4a0 [ 2042.331671][ T73] dst_alloc+0x97/0x150 [ 2042.331671][ T73] ip6_dst_alloc+0x23/0x90 [ 2042.331671][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2042.331671][ T73] ip6_pol_route+0x56f/0x840 [ 2042.331671][ T73] fib6_rule_lookup+0x456/0x630 [ 2042.331671][ T73] ip6_route_input+0x59c/0xa50 [ 2042.331671][ T73] ipv6_rcv+0x397/0x810 [ 2042.331671][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2042.331671][ T73] process_backlog+0x101/0x620 [ 2042.331671][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2042.331671][ T73] net_rx_action+0x495/0xbe0 [ 2042.331671][ T73] __do_softirq+0x1b5/0x7f6 [ 2042.331671][ T73] [ 2042.333474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.333474][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.333474][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.333474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.333474][ T73] ip6_route_add+0x1c/0x140 [ 2042.333474][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2042.333474][ T73] inet6_addr_add+0x4f8/0xa40 [ 2042.333474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.333474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.333474][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.333474][ T73] netlink_unicast+0x449/0x710 [ 2042.333474][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.333474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.333474][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.333474][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.333474][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.333474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.333474][ T73] [ 2042.335658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.335658][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.335658][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.335658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.335658][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2042.335658][ T73] ipv6_add_addr+0x411/0x2000 [ 2042.335658][ T73] inet6_addr_add+0x30e/0xa40 [ 2042.335658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.335658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.335658][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.335658][ T73] netlink_unicast+0x449/0x710 [ 2042.335658][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.335658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.335658][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.335658][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.335658][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.335658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.335658][ T73] [ 2042.337876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.337876][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.337876][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.337876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.337876][ T73] ip6_route_add+0x1c/0x140 [ 2042.337876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.337876][ T73] addrconf_add_dev+0xe2/0x170 [ 2042.337876][ T73] inet6_addr_add+0x12f/0xa40 [ 2042.337876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.337876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.337876][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.337876][ T73] netlink_unicast+0x449/0x710 [ 2042.337876][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.337876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.337876][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.337876][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.337876][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.337876][ T73] [ 2042.340128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.340128][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2042.340128][ T73] ipv6_find_idev+0x102/0x170 [ 2042.340128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.340128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.340128][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.340128][ T73] netlink_unicast+0x449/0x710 [ 2042.340128][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.340128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.340128][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.340128][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.340128][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.340128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.340128][ T73] [ 2042.341842][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2042.341842][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2042.341842][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2042.341842][ T73] ipv6_find_idev+0x102/0x170 [ 2042.341842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.341842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.341842][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.341842][ T73] netlink_unicast+0x449/0x710 [ 2042.341842][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.341842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.341842][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.341842][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.341842][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.341842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.341842][ T73] [ 2042.343726][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2042.344006][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2042.344006][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.344006][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.344006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.344006][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2042.344006][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2042.344006][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2042.344006][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2042.344006][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2042.344006][ T73] addrconf_dad_begin+0x310/0x670 [ 2042.344006][ T73] addrconf_dad_work+0x10b/0xab0 [ 2042.344006][ T73] process_one_work+0x84d/0x18a0 [ 2042.344006][ T73] worker_thread+0x587/0xd30 [ 2042.344006][ T73] kthread+0x28a/0x350 [ 2042.344006][ T73] ret_from_fork+0x31/0x70 [ 2042.344006][ T73] ret_from_fork_asm+0x1a/0x30 [ 2042.344006][ T73] [ 2042.346669][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2042.346669][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.346669][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.346669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.346669][ T73] ip6_route_add+0x1c/0x140 [ 2042.346669][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2042.346669][ T73] inet6_addr_add+0x4f8/0xa40 [ 2042.346669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.346669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.346669][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.346669][ T73] netlink_unicast+0x449/0x710 [ 2042.346669][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.346669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.346669][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.346669][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.346669][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.346669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.346669][ T73] [ 2042.348887][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2042.348887][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.348887][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.348887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.348887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2042.348887][ T73] ipv6_add_addr+0x411/0x2000 [ 2042.348887][ T73] inet6_addr_add+0x30e/0xa40 [ 2042.348887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.348887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.348887][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.348887][ T73] netlink_unicast+0x449/0x710 [ 2042.348887][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.348887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.348887][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.348887][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.348887][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.348887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.348887][ T73] [ 2042.351175][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2042.351175][ T73] netdev_get_by_index+0x5e/0x80 [ 2042.351175][ T73] fib6_nh_init+0x3d8/0x1580 [ 2042.351175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2042.351175][ T73] ip6_route_add+0x1c/0x140 [ 2042.351175][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.351175][ T73] addrconf_add_dev+0xe2/0x170 [ 2042.351175][ T73] inet6_addr_add+0x12f/0xa40 [ 2042.351175][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.351175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.351175][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.351175][ T73] netlink_unicast+0x449/0x710 [ 2042.351175][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.351175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.351175][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.351175][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.351175][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.351175][ T73] [ 2042.353299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2042.353299][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2042.353299][ T73] ipv6_find_idev+0x102/0x170 [ 2042.353299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.353299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.353299][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.353299][ T73] netlink_unicast+0x449/0x710 [ 2042.353299][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.353299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.353299][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.353299][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.353299][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.353299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.353299][ T73] [ 2042.355012][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2042.355012][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2042.355012][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2042.355012][ T73] ipv6_find_idev+0x102/0x170 [ 2042.355012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.355012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.355012][ T73] netlink_rcv_skb+0x130/0x360 [ 2042.355012][ T73] netlink_unicast+0x449/0x710 [ 2042.355012][ T73] netlink_sendmsg+0x723/0xbe0 [ 2042.355012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2042.355012][ T73] ___sys_sendmsg+0xee/0x170 [ 2042.355012][ T73] __sys_sendmsg+0xcd/0x170 [ 2042.355012][ T73] do_syscall_64+0xc6/0x1e0 [ 2042.355012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.355012][ T73] [ 2052.598918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2052.599366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.599366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2052.599366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2052.599366][ T73] fib6_nh_init+0xa22/0x1580 [ 2052.599366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.599366][ T73] ip6_route_add+0x1c/0x140 [ 2052.599366][ T73] inet6_rtm_newroute+0x104/0x110 [ 2052.599366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.599366][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.599366][ T73] netlink_unicast+0x449/0x710 [ 2052.599366][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.599366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.599366][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.599366][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.599366][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.599366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.599366][ T73] [ 2052.601280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.601280][ T73] dst_init+0x84/0x4a0 [ 2052.601280][ T73] dst_alloc+0x97/0x150 [ 2052.601280][ T73] ip6_dst_alloc+0x23/0x90 [ 2052.601280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2052.601280][ T73] ip6_pol_route+0x56f/0x840 [ 2052.601280][ T73] fib6_rule_lookup+0x456/0x630 [ 2052.601280][ T73] ip6_route_input+0x59c/0xa50 [ 2052.601280][ T73] ipv6_rcv+0x397/0x810 [ 2052.601280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2052.601280][ T73] process_backlog+0x101/0x620 [ 2052.601280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2052.601280][ T73] net_rx_action+0x495/0xbe0 [ 2052.601280][ T73] __do_softirq+0x1b5/0x7f6 [ 2052.601280][ T73] [ 2052.602925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.602925][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.602925][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.602925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.602925][ T73] ip6_route_add+0x1c/0x140 [ 2052.602925][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2052.602925][ T73] inet6_addr_add+0x4f8/0xa40 [ 2052.602925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.602925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.602925][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.602925][ T73] netlink_unicast+0x449/0x710 [ 2052.602925][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.602925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.602925][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.602925][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.602925][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.602925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.602925][ T73] [ 2052.604935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.604935][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.604935][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.604935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.604935][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2052.604935][ T73] ipv6_add_addr+0x411/0x2000 [ 2052.604935][ T73] inet6_addr_add+0x30e/0xa40 [ 2052.604935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.604935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.604935][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.604935][ T73] netlink_unicast+0x449/0x710 [ 2052.604935][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.604935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.604935][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.604935][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.604935][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.604935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.604935][ T73] [ 2052.606944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.606944][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.606944][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.606944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.606944][ T73] ip6_route_add+0x1c/0x140 [ 2052.606944][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.606944][ T73] addrconf_add_dev+0xe2/0x170 [ 2052.606944][ T73] inet6_addr_add+0x12f/0xa40 [ 2052.606944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.606944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.606944][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.606944][ T73] netlink_unicast+0x449/0x710 [ 2052.606944][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.606944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.606944][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.606944][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.606944][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.606944][ T73] [ 2052.608919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.608919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2052.608919][ T73] ipv6_find_idev+0x102/0x170 [ 2052.608919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.608919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.608919][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.608919][ T73] netlink_unicast+0x449/0x710 [ 2052.608919][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.608919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.608919][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.608919][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.608919][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.608919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.608919][ T73] [ 2052.610466][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2052.610466][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2052.610466][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2052.610466][ T73] ipv6_find_idev+0x102/0x170 [ 2052.610466][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.610466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.610466][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.610466][ T73] netlink_unicast+0x449/0x710 [ 2052.610466][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.610466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.610466][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.610466][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.610466][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.610466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.610466][ T73] [ 2052.612193][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2052.612475][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.612475][ T73] dst_init+0x84/0x4a0 [ 2052.612475][ T73] dst_alloc+0x97/0x150 [ 2052.612475][ T73] ip6_dst_alloc+0x23/0x90 [ 2052.612475][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2052.612475][ T73] ip6_pol_route+0x56f/0x840 [ 2052.612475][ T73] fib6_rule_lookup+0x456/0x630 [ 2052.612475][ T73] ip6_route_input+0x59c/0xa50 [ 2052.612475][ T73] ipv6_rcv+0x397/0x810 [ 2052.612475][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2052.612475][ T73] process_backlog+0x101/0x620 [ 2052.612475][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2052.612475][ T73] net_rx_action+0x495/0xbe0 [ 2052.612475][ T73] __do_softirq+0x1b5/0x7f6 [ 2052.612475][ T73] [ 2052.614122][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.614122][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.614122][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.614122][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.614122][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2052.614122][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2052.614122][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2052.614122][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2052.614122][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2052.614122][ T73] addrconf_dad_begin+0x310/0x670 [ 2052.614122][ T73] addrconf_dad_work+0x10b/0xab0 [ 2052.614122][ T73] process_one_work+0x84d/0x18a0 [ 2052.614122][ T73] worker_thread+0x587/0xd30 [ 2052.614122][ T73] kthread+0x28a/0x350 [ 2052.614122][ T73] ret_from_fork+0x31/0x70 [ 2052.614122][ T73] ret_from_fork_asm+0x1a/0x30 [ 2052.614122][ T73] [ 2052.616037][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.616037][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.616037][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.616037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.616037][ T73] ip6_route_add+0x1c/0x140 [ 2052.616037][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2052.616037][ T73] inet6_addr_add+0x4f8/0xa40 [ 2052.616037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.616037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.616037][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.616037][ T73] netlink_unicast+0x449/0x710 [ 2052.616037][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.616037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.616037][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.616037][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.616037][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.616037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.616037][ T73] [ 2052.618055][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.618055][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.618055][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.618055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.618055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2052.618055][ T73] ipv6_add_addr+0x411/0x2000 [ 2052.618055][ T73] inet6_addr_add+0x30e/0xa40 [ 2052.618055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.618055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.618055][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.618055][ T73] netlink_unicast+0x449/0x710 [ 2052.618055][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.618055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.618055][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.618055][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.618055][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.618055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.618055][ T73] [ 2052.620087][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.620087][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.620087][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.620087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.620087][ T73] ip6_route_add+0x1c/0x140 [ 2052.620087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.620087][ T73] addrconf_add_dev+0xe2/0x170 [ 2052.620087][ T73] inet6_addr_add+0x12f/0xa40 [ 2052.620087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.620087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.620087][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.620087][ T73] netlink_unicast+0x449/0x710 [ 2052.620087][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.620087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.620087][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.620087][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.620087][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.620087][ T73] [ 2052.622078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.622078][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2052.622078][ T73] ipv6_find_idev+0x102/0x170 [ 2052.622078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.622078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.622078][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.622078][ T73] netlink_unicast+0x449/0x710 [ 2052.622078][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.622078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.622078][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.622078][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.622078][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.622078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.622078][ T73] [ 2052.623625][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2052.623625][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2052.623625][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2052.623625][ T73] ipv6_find_idev+0x102/0x170 [ 2052.623625][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.623625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.623625][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.623625][ T73] netlink_unicast+0x449/0x710 [ 2052.623625][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.623625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.623625][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.623625][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.623625][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.623625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.623625][ T73] [ 2052.625452][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2052.625726][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.625726][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2052.625726][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2052.625726][ T73] fib6_nh_init+0xa22/0x1580 [ 2052.625726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.625726][ T73] ip6_route_add+0x1c/0x140 [ 2052.625726][ T73] inet6_rtm_newroute+0x104/0x110 [ 2052.625726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.625726][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.625726][ T73] netlink_unicast+0x449/0x710 [ 2052.625726][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.625726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.625726][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.625726][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.625726][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.625726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.625726][ T73] [ 2052.627845][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.627845][ T73] dst_init+0x84/0x4a0 [ 2052.627845][ T73] dst_alloc+0x97/0x150 [ 2052.627845][ T73] ip6_dst_alloc+0x23/0x90 [ 2052.627845][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2052.627845][ T73] ip6_pol_route+0x56f/0x840 [ 2052.627845][ T73] fib6_rule_lookup+0x456/0x630 [ 2052.627845][ T73] ip6_route_input+0x59c/0xa50 [ 2052.627845][ T73] ipv6_rcv+0x397/0x810 [ 2052.627845][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2052.627845][ T73] process_backlog+0x101/0x620 [ 2052.627845][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2052.627845][ T73] net_rx_action+0x495/0xbe0 [ 2052.627845][ T73] __do_softirq+0x1b5/0x7f6 [ 2052.627845][ T73] [ 2052.629662][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.629662][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.629662][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.629662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.629662][ T73] ip6_route_add+0x1c/0x140 [ 2052.629662][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2052.629662][ T73] inet6_addr_add+0x4f8/0xa40 [ 2052.629662][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.629662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.629662][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.629662][ T73] netlink_unicast+0x449/0x710 [ 2052.629662][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.629662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.629662][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.629662][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.629662][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.629662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.629662][ T73] [ 2052.631981][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.631981][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.631981][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.631981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.631981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2052.631981][ T73] ipv6_add_addr+0x411/0x2000 [ 2052.631981][ T73] inet6_addr_add+0x30e/0xa40 [ 2052.631981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.631981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.631981][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.631981][ T73] netlink_unicast+0x449/0x710 [ 2052.631981][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.631981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.631981][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.631981][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.631981][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.631981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.631981][ T73] [ 2052.634226][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.634226][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.634226][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.634226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.634226][ T73] ip6_route_add+0x1c/0x140 [ 2052.634226][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.634226][ T73] addrconf_add_dev+0xe2/0x170 [ 2052.634226][ T73] inet6_addr_add+0x12f/0xa40 [ 2052.634226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.634226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.634226][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.634226][ T73] netlink_unicast+0x449/0x710 [ 2052.634226][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.634226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.634226][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.634226][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.634226][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.634226][ T73] [ 2052.636388][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.636388][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2052.636388][ T73] ipv6_find_idev+0x102/0x170 [ 2052.636388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.636388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.636388][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.636388][ T73] netlink_unicast+0x449/0x710 [ 2052.636388][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.636388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.636388][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.636388][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.636388][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.636388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.636388][ T73] [ 2052.638113][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2052.638113][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2052.638113][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2052.638113][ T73] ipv6_find_idev+0x102/0x170 [ 2052.638113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.638113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.638113][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.638113][ T73] netlink_unicast+0x449/0x710 [ 2052.638113][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.638113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.638113][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.638113][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.638113][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.638113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.638113][ T73] [ 2052.640110][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2052.640384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2052.640384][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.640384][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.640384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.640384][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2052.640384][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2052.640384][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2052.640384][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2052.640384][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2052.640384][ T73] addrconf_dad_begin+0x310/0x670 [ 2052.640384][ T73] addrconf_dad_work+0x10b/0xab0 [ 2052.640384][ T73] process_one_work+0x84d/0x18a0 [ 2052.640384][ T73] worker_thread+0x587/0xd30 [ 2052.640384][ T73] kthread+0x28a/0x350 [ 2052.640384][ T73] ret_from_fork+0x31/0x70 [ 2052.640384][ T73] ret_from_fork_asm+0x1a/0x30 [ 2052.640384][ T73] [ 2052.642564][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2052.642564][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.642564][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.642564][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.642564][ T73] ip6_route_add+0x1c/0x140 [ 2052.642564][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2052.642564][ T73] inet6_addr_add+0x4f8/0xa40 [ 2052.642564][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.642564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.642564][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.642564][ T73] netlink_unicast+0x449/0x710 [ 2052.642564][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.642564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.642564][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.642564][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.642564][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.642564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.642564][ T73] [ 2052.644807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2052.644807][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.644807][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.644807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.644807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2052.644807][ T73] ipv6_add_addr+0x411/0x2000 [ 2052.644807][ T73] inet6_addr_add+0x30e/0xa40 [ 2052.644807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.644807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.644807][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.644807][ T73] netlink_unicast+0x449/0x710 [ 2052.644807][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.644807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.644807][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.644807][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.644807][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.644807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.644807][ T73] [ 2052.646984][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2052.646984][ T73] netdev_get_by_index+0x5e/0x80 [ 2052.646984][ T73] fib6_nh_init+0x3d8/0x1580 [ 2052.646984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2052.646984][ T73] ip6_route_add+0x1c/0x140 [ 2052.646984][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.646984][ T73] addrconf_add_dev+0xe2/0x170 [ 2052.646984][ T73] inet6_addr_add+0x12f/0xa40 [ 2052.646984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.646984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.646984][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.646984][ T73] netlink_unicast+0x449/0x710 [ 2052.646984][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.646984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.646984][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.646984][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.646984][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.646984][ T73] [ 2052.649195][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2052.649195][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2052.649195][ T73] ipv6_find_idev+0x102/0x170 [ 2052.649195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.649195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.649195][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.649195][ T73] netlink_unicast+0x449/0x710 [ 2052.649195][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.649195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.649195][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.649195][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.649195][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.649195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.649195][ T73] [ 2052.651022][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2052.651022][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2052.651022][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2052.651022][ T73] ipv6_find_idev+0x102/0x170 [ 2052.651022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.651022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.651022][ T73] netlink_rcv_skb+0x130/0x360 [ 2052.651022][ T73] netlink_unicast+0x449/0x710 [ 2052.651022][ T73] netlink_sendmsg+0x723/0xbe0 [ 2052.651022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2052.651022][ T73] ___sys_sendmsg+0xee/0x170 [ 2052.651022][ T73] __sys_sendmsg+0xcd/0x170 [ 2052.651022][ T73] do_syscall_64+0xc6/0x1e0 [ 2052.651022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.651022][ T73] [ 2062.870888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2062.871338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.871338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2062.871338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2062.871338][ T73] fib6_nh_init+0xa22/0x1580 [ 2062.871338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.871338][ T73] ip6_route_add+0x1c/0x140 [ 2062.871338][ T73] inet6_rtm_newroute+0x104/0x110 [ 2062.871338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.871338][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.871338][ T73] netlink_unicast+0x449/0x710 [ 2062.871338][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.871338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.871338][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.871338][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.871338][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.871338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.871338][ T73] [ 2062.873276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.873276][ T73] dst_init+0x84/0x4a0 [ 2062.873276][ T73] dst_alloc+0x97/0x150 [ 2062.873276][ T73] ip6_dst_alloc+0x23/0x90 [ 2062.873276][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2062.873276][ T73] ip6_pol_route+0x56f/0x840 [ 2062.873276][ T73] fib6_rule_lookup+0x456/0x630 [ 2062.873276][ T73] ip6_route_input+0x59c/0xa50 [ 2062.873276][ T73] ipv6_rcv+0x397/0x810 [ 2062.873276][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2062.873276][ T73] process_backlog+0x101/0x620 [ 2062.873276][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2062.873276][ T73] net_rx_action+0x495/0xbe0 [ 2062.873276][ T73] __do_softirq+0x1b5/0x7f6 [ 2062.873276][ T73] [ 2062.874949][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.874949][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.874949][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.874949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.874949][ T73] ip6_route_add+0x1c/0x140 [ 2062.874949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2062.874949][ T73] inet6_addr_add+0x4f8/0xa40 [ 2062.874949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.874949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.874949][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.874949][ T73] netlink_unicast+0x449/0x710 [ 2062.874949][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.874949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.874949][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.874949][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.874949][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.874949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.874949][ T73] [ 2062.876953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.876953][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.876953][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.876953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.876953][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2062.876953][ T73] ipv6_add_addr+0x411/0x2000 [ 2062.876953][ T73] inet6_addr_add+0x30e/0xa40 [ 2062.876953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.876953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.876953][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.876953][ T73] netlink_unicast+0x449/0x710 [ 2062.876953][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.876953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.876953][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.876953][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.876953][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.876953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.876953][ T73] [ 2062.878959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.878959][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.878959][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.878959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.878959][ T73] ip6_route_add+0x1c/0x140 [ 2062.878959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.878959][ T73] addrconf_add_dev+0xe2/0x170 [ 2062.878959][ T73] inet6_addr_add+0x12f/0xa40 [ 2062.878959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.878959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.878959][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.878959][ T73] netlink_unicast+0x449/0x710 [ 2062.878959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.878959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.878959][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.878959][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.878959][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.878959][ T73] [ 2062.880947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.880947][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2062.880947][ T73] ipv6_find_idev+0x102/0x170 [ 2062.880947][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.880947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.880947][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.880947][ T73] netlink_unicast+0x449/0x710 [ 2062.880947][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.880947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.880947][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.880947][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.880947][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.880947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.880947][ T73] [ 2062.882497][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2062.882497][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2062.882497][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2062.882497][ T73] ipv6_find_idev+0x102/0x170 [ 2062.882497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.882497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.882497][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.882497][ T73] netlink_unicast+0x449/0x710 [ 2062.882497][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.882497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.882497][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.882497][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.882497][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.882497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.882497][ T73] [ 2062.884228][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2062.884510][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.884510][ T73] dst_init+0x84/0x4a0 [ 2062.884510][ T73] dst_alloc+0x97/0x150 [ 2062.884510][ T73] ip6_dst_alloc+0x23/0x90 [ 2062.884510][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2062.884510][ T73] ip6_pol_route+0x56f/0x840 [ 2062.884510][ T73] fib6_rule_lookup+0x456/0x630 [ 2062.884510][ T73] ip6_route_input+0x59c/0xa50 [ 2062.884510][ T73] ipv6_rcv+0x397/0x810 [ 2062.884510][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2062.884510][ T73] process_backlog+0x101/0x620 [ 2062.884510][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2062.884510][ T73] net_rx_action+0x495/0xbe0 [ 2062.884510][ T73] __do_softirq+0x1b5/0x7f6 [ 2062.884510][ T73] [ 2062.886174][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.886174][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.886174][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.886174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.886174][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2062.886174][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2062.886174][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2062.886174][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2062.886174][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2062.886174][ T73] addrconf_dad_begin+0x310/0x670 [ 2062.886174][ T73] addrconf_dad_work+0x10b/0xab0 [ 2062.886174][ T73] process_one_work+0x84d/0x18a0 [ 2062.886174][ T73] worker_thread+0x587/0xd30 [ 2062.886174][ T73] kthread+0x28a/0x350 [ 2062.886174][ T73] ret_from_fork+0x31/0x70 [ 2062.886174][ T73] ret_from_fork_asm+0x1a/0x30 [ 2062.886174][ T73] [ 2062.888090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.888090][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.888090][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.888090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.888090][ T73] ip6_route_add+0x1c/0x140 [ 2062.888090][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2062.888090][ T73] inet6_addr_add+0x4f8/0xa40 [ 2062.888090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.888090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.888090][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.888090][ T73] netlink_unicast+0x449/0x710 [ 2062.888090][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.888090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.888090][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.888090][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.888090][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.888090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.888090][ T73] [ 2062.890090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.890090][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.890090][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.890090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.890090][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2062.890090][ T73] ipv6_add_addr+0x411/0x2000 [ 2062.890090][ T73] inet6_addr_add+0x30e/0xa40 [ 2062.890090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.890090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.890090][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.890090][ T73] netlink_unicast+0x449/0x710 [ 2062.890090][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.890090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.890090][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.890090][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.890090][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.890090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.890090][ T73] [ 2062.892105][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.892105][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.892105][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.892105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.892105][ T73] ip6_route_add+0x1c/0x140 [ 2062.892105][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.892105][ T73] addrconf_add_dev+0xe2/0x170 [ 2062.892105][ T73] inet6_addr_add+0x12f/0xa40 [ 2062.892105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.892105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.892105][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.892105][ T73] netlink_unicast+0x449/0x710 [ 2062.892105][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.892105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.892105][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.892105][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.892105][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.892105][ T73] [ 2062.894067][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.894067][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2062.894067][ T73] ipv6_find_idev+0x102/0x170 [ 2062.894067][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.894067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.894067][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.894067][ T73] netlink_unicast+0x449/0x710 [ 2062.894067][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.894067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.894067][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.894067][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.894067][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.894067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.894067][ T73] [ 2062.895601][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2062.895601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2062.895601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2062.895601][ T73] ipv6_find_idev+0x102/0x170 [ 2062.895601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.895601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.895601][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.895601][ T73] netlink_unicast+0x449/0x710 [ 2062.895601][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.895601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.895601][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.895601][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.895601][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.895601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.895601][ T73] [ 2062.897417][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2062.897687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.897687][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2062.897687][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2062.897687][ T73] fib6_nh_init+0xa22/0x1580 [ 2062.897687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.897687][ T73] ip6_route_add+0x1c/0x140 [ 2062.897687][ T73] inet6_rtm_newroute+0x104/0x110 [ 2062.897687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.897687][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.897687][ T73] netlink_unicast+0x449/0x710 [ 2062.897687][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.897687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.897687][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.897687][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.897687][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.897687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.897687][ T73] [ 2062.899865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.899865][ T73] dst_init+0x84/0x4a0 [ 2062.899865][ T73] dst_alloc+0x97/0x150 [ 2062.899865][ T73] ip6_dst_alloc+0x23/0x90 [ 2062.899865][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2062.899865][ T73] ip6_pol_route+0x56f/0x840 [ 2062.899865][ T73] fib6_rule_lookup+0x456/0x630 [ 2062.899865][ T73] ip6_route_input+0x59c/0xa50 [ 2062.899865][ T73] ipv6_rcv+0x397/0x810 [ 2062.899865][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2062.899865][ T73] process_backlog+0x101/0x620 [ 2062.899865][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2062.899865][ T73] net_rx_action+0x495/0xbe0 [ 2062.899865][ T73] __do_softirq+0x1b5/0x7f6 [ 2062.899865][ T73] [ 2062.901685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.901685][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.901685][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.901685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.901685][ T73] ip6_route_add+0x1c/0x140 [ 2062.901685][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2062.901685][ T73] inet6_addr_add+0x4f8/0xa40 [ 2062.901685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.901685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.901685][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.901685][ T73] netlink_unicast+0x449/0x710 [ 2062.901685][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.901685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.901685][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.901685][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.901685][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.901685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.901685][ T73] [ 2062.903931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.903931][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.903931][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.903931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.903931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2062.903931][ T73] ipv6_add_addr+0x411/0x2000 [ 2062.903931][ T73] inet6_addr_add+0x30e/0xa40 [ 2062.903931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.903931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.903931][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.903931][ T73] netlink_unicast+0x449/0x710 [ 2062.903931][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.903931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.903931][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.903931][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.903931][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.903931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.903931][ T73] [ 2062.906173][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.906173][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.906173][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.906173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.906173][ T73] ip6_route_add+0x1c/0x140 [ 2062.906173][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.906173][ T73] addrconf_add_dev+0xe2/0x170 [ 2062.906173][ T73] inet6_addr_add+0x12f/0xa40 [ 2062.906173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.906173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.906173][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.906173][ T73] netlink_unicast+0x449/0x710 [ 2062.906173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.906173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.906173][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.906173][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.906173][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.906173][ T73] [ 2062.908374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.908374][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2062.908374][ T73] ipv6_find_idev+0x102/0x170 [ 2062.908374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.908374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.908374][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.908374][ T73] netlink_unicast+0x449/0x710 [ 2062.908374][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.908374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.908374][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.908374][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.908374][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.908374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.908374][ T73] [ 2062.910098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2062.910098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2062.910098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2062.910098][ T73] ipv6_find_idev+0x102/0x170 [ 2062.910098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.910098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.910098][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.910098][ T73] netlink_unicast+0x449/0x710 [ 2062.910098][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.910098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.910098][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.910098][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.910098][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.910098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.910098][ T73] [ 2062.912042][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2062.912323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2062.912323][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.912323][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.912323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.912323][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2062.912323][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2062.912323][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2062.912323][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2062.912323][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2062.912323][ T73] addrconf_dad_begin+0x310/0x670 [ 2062.912323][ T73] addrconf_dad_work+0x10b/0xab0 [ 2062.912323][ T73] process_one_work+0x84d/0x18a0 [ 2062.912323][ T73] worker_thread+0x587/0xd30 [ 2062.912323][ T73] kthread+0x28a/0x350 [ 2062.912323][ T73] ret_from_fork+0x31/0x70 [ 2062.912323][ T73] ret_from_fork_asm+0x1a/0x30 [ 2062.912323][ T73] [ 2062.914478][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2062.914478][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.914478][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.914478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.914478][ T73] ip6_route_add+0x1c/0x140 [ 2062.914478][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2062.914478][ T73] inet6_addr_add+0x4f8/0xa40 [ 2062.914478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.914478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.914478][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.914478][ T73] netlink_unicast+0x449/0x710 [ 2062.914478][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.914478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.914478][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.914478][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.914478][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.914478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.914478][ T73] [ 2062.916727][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2062.916727][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.916727][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.916727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.916727][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2062.916727][ T73] ipv6_add_addr+0x411/0x2000 [ 2062.916727][ T73] inet6_addr_add+0x30e/0xa40 [ 2062.916727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.916727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.916727][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.916727][ T73] netlink_unicast+0x449/0x710 [ 2062.916727][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.916727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.916727][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.916727][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.916727][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.916727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.916727][ T73] [ 2062.918958][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2062.918958][ T73] netdev_get_by_index+0x5e/0x80 [ 2062.918958][ T73] fib6_nh_init+0x3d8/0x1580 [ 2062.918958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2062.918958][ T73] ip6_route_add+0x1c/0x140 [ 2062.918958][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.918958][ T73] addrconf_add_dev+0xe2/0x170 [ 2062.918958][ T73] inet6_addr_add+0x12f/0xa40 [ 2062.918958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.918958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.918958][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.918958][ T73] netlink_unicast+0x449/0x710 [ 2062.918958][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.918958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.918958][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.918958][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.918958][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.918958][ T73] [ 2062.921173][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2062.921173][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2062.921173][ T73] ipv6_find_idev+0x102/0x170 [ 2062.921173][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.921173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.921173][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.921173][ T73] netlink_unicast+0x449/0x710 [ 2062.921173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.921173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.921173][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.921173][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.921173][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.921173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.921173][ T73] [ 2062.922903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2062.922903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2062.922903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2062.922903][ T73] ipv6_find_idev+0x102/0x170 [ 2062.922903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.922903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.922903][ T73] netlink_rcv_skb+0x130/0x360 [ 2062.922903][ T73] netlink_unicast+0x449/0x710 [ 2062.922903][ T73] netlink_sendmsg+0x723/0xbe0 [ 2062.922903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2062.922903][ T73] ___sys_sendmsg+0xee/0x170 [ 2062.922903][ T73] __sys_sendmsg+0xcd/0x170 [ 2062.922903][ T73] do_syscall_64+0xc6/0x1e0 [ 2062.922903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.922903][ T73] [ 2073.126902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2073.127407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.127407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2073.127407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2073.127407][ T73] fib6_nh_init+0xa22/0x1580 [ 2073.127407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.127407][ T73] ip6_route_add+0x1c/0x140 [ 2073.127407][ T73] inet6_rtm_newroute+0x104/0x110 [ 2073.127407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.127407][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.127407][ T73] netlink_unicast+0x449/0x710 [ 2073.127407][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.127407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.127407][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.127407][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.127407][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.127407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.127407][ T73] [ 2073.129283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.129283][ T73] dst_init+0x84/0x4a0 [ 2073.129283][ T73] dst_alloc+0x97/0x150 [ 2073.129283][ T73] ip6_dst_alloc+0x23/0x90 [ 2073.129283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2073.129283][ T73] ip6_pol_route+0x56f/0x840 [ 2073.129283][ T73] fib6_rule_lookup+0x456/0x630 [ 2073.129283][ T73] ip6_route_input+0x59c/0xa50 [ 2073.129283][ T73] ipv6_rcv+0x397/0x810 [ 2073.129283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2073.129283][ T73] process_backlog+0x101/0x620 [ 2073.129283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2073.129283][ T73] net_rx_action+0x495/0xbe0 [ 2073.129283][ T73] __do_softirq+0x1b5/0x7f6 [ 2073.129283][ T73] [ 2073.130915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.130915][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.130915][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.130915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.130915][ T73] ip6_route_add+0x1c/0x140 [ 2073.130915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2073.130915][ T73] inet6_addr_add+0x4f8/0xa40 [ 2073.130915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.130915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.130915][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.130915][ T73] netlink_unicast+0x449/0x710 [ 2073.130915][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.130915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.130915][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.130915][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.130915][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.130915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.130915][ T73] [ 2073.132895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.132895][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.132895][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.132895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.132895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2073.132895][ T73] ipv6_add_addr+0x411/0x2000 [ 2073.132895][ T73] inet6_addr_add+0x30e/0xa40 [ 2073.132895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.132895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.132895][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.132895][ T73] netlink_unicast+0x449/0x710 [ 2073.132895][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.132895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.132895][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.132895][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.132895][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.132895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.132895][ T73] [ 2073.135012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.135012][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.135012][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.135012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.135012][ T73] ip6_route_add+0x1c/0x140 [ 2073.135012][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.135012][ T73] addrconf_add_dev+0xe2/0x170 [ 2073.135012][ T73] inet6_addr_add+0x12f/0xa40 [ 2073.135012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.135012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.135012][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.135012][ T73] netlink_unicast+0x449/0x710 [ 2073.135012][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.135012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.135012][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.135012][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.135012][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.135012][ T73] [ 2073.137109][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.137109][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2073.137109][ T73] ipv6_find_idev+0x102/0x170 [ 2073.137109][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.137109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.137109][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.137109][ T73] netlink_unicast+0x449/0x710 [ 2073.137109][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.137109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.137109][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.137109][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.137109][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.137109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.137109][ T73] [ 2073.138677][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2073.138677][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2073.138677][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2073.138677][ T73] ipv6_find_idev+0x102/0x170 [ 2073.138677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.138677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.138677][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.138677][ T73] netlink_unicast+0x449/0x710 [ 2073.138677][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.138677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.138677][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.138677][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.138677][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.138677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.138677][ T73] [ 2073.140426][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2073.140718][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.140718][ T73] dst_init+0x84/0x4a0 [ 2073.140718][ T73] dst_alloc+0x97/0x150 [ 2073.140718][ T73] ip6_dst_alloc+0x23/0x90 [ 2073.140718][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2073.140718][ T73] ip6_pol_route+0x56f/0x840 [ 2073.140718][ T73] fib6_rule_lookup+0x456/0x630 [ 2073.140718][ T73] ip6_route_input+0x59c/0xa50 [ 2073.140718][ T73] ipv6_rcv+0x397/0x810 [ 2073.140718][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2073.140718][ T73] process_backlog+0x101/0x620 [ 2073.140718][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2073.140718][ T73] net_rx_action+0x495/0xbe0 [ 2073.140718][ T73] __do_softirq+0x1b5/0x7f6 [ 2073.140718][ T73] [ 2073.142378][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.142378][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.142378][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.142378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.142378][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2073.142378][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2073.142378][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2073.142378][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2073.142378][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2073.142378][ T73] addrconf_dad_begin+0x310/0x670 [ 2073.142378][ T73] addrconf_dad_work+0x10b/0xab0 [ 2073.142378][ T73] process_one_work+0x84d/0x18a0 [ 2073.142378][ T73] worker_thread+0x587/0xd30 [ 2073.142378][ T73] kthread+0x28a/0x350 [ 2073.142378][ T73] ret_from_fork+0x31/0x70 [ 2073.142378][ T73] ret_from_fork_asm+0x1a/0x30 [ 2073.142378][ T73] [ 2073.144302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.144302][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.144302][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.144302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.144302][ T73] ip6_route_add+0x1c/0x140 [ 2073.144302][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2073.144302][ T73] inet6_addr_add+0x4f8/0xa40 [ 2073.144302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.144302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.144302][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.144302][ T73] netlink_unicast+0x449/0x710 [ 2073.144302][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.144302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.144302][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.144302][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.144302][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.144302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.144302][ T73] [ 2073.146285][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.146285][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.146285][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.146285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.146285][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2073.146285][ T73] ipv6_add_addr+0x411/0x2000 [ 2073.146285][ T73] inet6_addr_add+0x30e/0xa40 [ 2073.146285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.146285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.146285][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.146285][ T73] netlink_unicast+0x449/0x710 [ 2073.146285][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.146285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.146285][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.146285][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.146285][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.146285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.146285][ T73] [ 2073.148263][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.148263][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.148263][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.148263][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.148263][ T73] ip6_route_add+0x1c/0x140 [ 2073.148263][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.148263][ T73] addrconf_add_dev+0xe2/0x170 [ 2073.148263][ T73] inet6_addr_add+0x12f/0xa40 [ 2073.148263][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.148263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.148263][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.148263][ T73] netlink_unicast+0x449/0x710 [ 2073.148263][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.148263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.148263][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.148263][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.148263][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.148263][ T73] [ 2073.150214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.150214][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2073.150214][ T73] ipv6_find_idev+0x102/0x170 [ 2073.150214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.150214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.150214][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.150214][ T73] netlink_unicast+0x449/0x710 [ 2073.150214][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.150214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.150214][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.150214][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.150214][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.150214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.150214][ T73] [ 2073.151745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2073.151745][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2073.151745][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2073.151745][ T73] ipv6_find_idev+0x102/0x170 [ 2073.151745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.151745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.151745][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.151745][ T73] netlink_unicast+0x449/0x710 [ 2073.151745][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.151745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.151745][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.151745][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.151745][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.151745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.151745][ T73] [ 2073.153570][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2073.153856][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.153856][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2073.153856][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2073.153856][ T73] fib6_nh_init+0xa22/0x1580 [ 2073.153856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.153856][ T73] ip6_route_add+0x1c/0x140 [ 2073.153856][ T73] inet6_rtm_newroute+0x104/0x110 [ 2073.153856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.153856][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.153856][ T73] netlink_unicast+0x449/0x710 [ 2073.153856][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.153856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.153856][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.153856][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.153856][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.153856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.153856][ T73] [ 2073.156022][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.156022][ T73] dst_init+0x84/0x4a0 [ 2073.156022][ T73] dst_alloc+0x97/0x150 [ 2073.156022][ T73] ip6_dst_alloc+0x23/0x90 [ 2073.156022][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2073.156022][ T73] ip6_pol_route+0x56f/0x840 [ 2073.156022][ T73] fib6_rule_lookup+0x456/0x630 [ 2073.156022][ T73] ip6_route_input+0x59c/0xa50 [ 2073.156022][ T73] ipv6_rcv+0x397/0x810 [ 2073.156022][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2073.156022][ T73] process_backlog+0x101/0x620 [ 2073.156022][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2073.156022][ T73] net_rx_action+0x495/0xbe0 [ 2073.156022][ T73] __do_softirq+0x1b5/0x7f6 [ 2073.156022][ T73] [ 2073.157816][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.157816][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.157816][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.157816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.157816][ T73] ip6_route_add+0x1c/0x140 [ 2073.157816][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2073.157816][ T73] inet6_addr_add+0x4f8/0xa40 [ 2073.157816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.157816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.157816][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.157816][ T73] netlink_unicast+0x449/0x710 [ 2073.157816][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.157816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.157816][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.157816][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.157816][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.157816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.157816][ T73] [ 2073.160037][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.160037][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.160037][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.160037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.160037][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2073.160037][ T73] ipv6_add_addr+0x411/0x2000 [ 2073.160037][ T73] inet6_addr_add+0x30e/0xa40 [ 2073.160037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.160037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.160037][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.160037][ T73] netlink_unicast+0x449/0x710 [ 2073.160037][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.160037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.160037][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.160037][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.160037][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.160037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.160037][ T73] [ 2073.162269][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.162269][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.162269][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.162269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.162269][ T73] ip6_route_add+0x1c/0x140 [ 2073.162269][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.162269][ T73] addrconf_add_dev+0xe2/0x170 [ 2073.162269][ T73] inet6_addr_add+0x12f/0xa40 [ 2073.162269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.162269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.162269][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.162269][ T73] netlink_unicast+0x449/0x710 [ 2073.162269][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.162269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.162269][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.162269][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.162269][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.162269][ T73] [ 2073.164670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.164670][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2073.164670][ T73] ipv6_find_idev+0x102/0x170 [ 2073.164670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.164670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.164670][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.164670][ T73] netlink_unicast+0x449/0x710 [ 2073.164670][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.164670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.164670][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.164670][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.164670][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.164670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.164670][ T73] [ 2073.166414][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2073.166414][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2073.166414][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2073.166414][ T73] ipv6_find_idev+0x102/0x170 [ 2073.166414][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.166414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.166414][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.166414][ T73] netlink_unicast+0x449/0x710 [ 2073.166414][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.166414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.166414][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.166414][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.166414][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.166414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.166414][ T73] [ 2073.168367][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2073.168644][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2073.168644][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.168644][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.168644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.168644][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2073.168644][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2073.168644][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2073.168644][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2073.168644][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2073.168644][ T73] addrconf_dad_begin+0x310/0x670 [ 2073.168644][ T73] addrconf_dad_work+0x10b/0xab0 [ 2073.168644][ T73] process_one_work+0x84d/0x18a0 [ 2073.168644][ T73] worker_thread+0x587/0xd30 [ 2073.168644][ T73] kthread+0x28a/0x350 [ 2073.168644][ T73] ret_from_fork+0x31/0x70 [ 2073.168644][ T73] ret_from_fork_asm+0x1a/0x30 [ 2073.168644][ T73] [ 2073.170936][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2073.170936][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.170936][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.170936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.170936][ T73] ip6_route_add+0x1c/0x140 [ 2073.170936][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2073.170936][ T73] inet6_addr_add+0x4f8/0xa40 [ 2073.170936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.170936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.170936][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.170936][ T73] netlink_unicast+0x449/0x710 [ 2073.170936][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.170936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.170936][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.170936][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.170936][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.170936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.170936][ T73] [ 2073.173214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2073.173214][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.173214][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.173214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.173214][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2073.173214][ T73] ipv6_add_addr+0x411/0x2000 [ 2073.173214][ T73] inet6_addr_add+0x30e/0xa40 [ 2073.173214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.173214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.173214][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.173214][ T73] netlink_unicast+0x449/0x710 [ 2073.173214][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.173214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.173214][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.173214][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.173214][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.173214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.173214][ T73] [ 2073.175432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2073.175432][ T73] netdev_get_by_index+0x5e/0x80 [ 2073.175432][ T73] fib6_nh_init+0x3d8/0x1580 [ 2073.175432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2073.175432][ T73] ip6_route_add+0x1c/0x140 [ 2073.175432][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.175432][ T73] addrconf_add_dev+0xe2/0x170 [ 2073.175432][ T73] inet6_addr_add+0x12f/0xa40 [ 2073.175432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.175432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.175432][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.175432][ T73] netlink_unicast+0x449/0x710 [ 2073.175432][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.175432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.175432][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.175432][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.175432][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.175432][ T73] [ 2073.177695][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2073.177695][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2073.177695][ T73] ipv6_find_idev+0x102/0x170 [ 2073.177695][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.177695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.177695][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.177695][ T73] netlink_unicast+0x449/0x710 [ 2073.177695][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.177695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.177695][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.177695][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.177695][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.177695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.177695][ T73] [ 2073.179496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2073.179496][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2073.179496][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2073.179496][ T73] ipv6_find_idev+0x102/0x170 [ 2073.179496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.179496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.179496][ T73] netlink_rcv_skb+0x130/0x360 [ 2073.179496][ T73] netlink_unicast+0x449/0x710 [ 2073.179496][ T73] netlink_sendmsg+0x723/0xbe0 [ 2073.179496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2073.179496][ T73] ___sys_sendmsg+0xee/0x170 [ 2073.179496][ T73] __sys_sendmsg+0xcd/0x170 [ 2073.179496][ T73] do_syscall_64+0xc6/0x1e0 [ 2073.179496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.179496][ T73] [ 2083.422890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2083.423374][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.423374][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2083.423374][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2083.423374][ T73] fib6_nh_init+0xa22/0x1580 [ 2083.423374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.423374][ T73] ip6_route_add+0x1c/0x140 [ 2083.423374][ T73] inet6_rtm_newroute+0x104/0x110 [ 2083.423374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.423374][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.423374][ T73] netlink_unicast+0x449/0x710 [ 2083.423374][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.423374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.423374][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.423374][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.423374][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.423374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.423374][ T73] [ 2083.425267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.425267][ T73] dst_init+0x84/0x4a0 [ 2083.425267][ T73] dst_alloc+0x97/0x150 [ 2083.425267][ T73] ip6_dst_alloc+0x23/0x90 [ 2083.425267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2083.425267][ T73] ip6_pol_route+0x56f/0x840 [ 2083.425267][ T73] fib6_rule_lookup+0x456/0x630 [ 2083.425267][ T73] ip6_route_input+0x59c/0xa50 [ 2083.425267][ T73] ipv6_rcv+0x397/0x810 [ 2083.425267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2083.425267][ T73] process_backlog+0x101/0x620 [ 2083.425267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2083.425267][ T73] net_rx_action+0x495/0xbe0 [ 2083.425267][ T73] __do_softirq+0x1b5/0x7f6 [ 2083.425267][ T73] [ 2083.426901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.426901][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.426901][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.426901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.426901][ T73] ip6_route_add+0x1c/0x140 [ 2083.426901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2083.426901][ T73] inet6_addr_add+0x4f8/0xa40 [ 2083.426901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.426901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.426901][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.426901][ T73] netlink_unicast+0x449/0x710 [ 2083.426901][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.426901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.426901][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.426901][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.426901][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.426901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.426901][ T73] [ 2083.428910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.428910][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.428910][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.428910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.428910][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2083.428910][ T73] ipv6_add_addr+0x411/0x2000 [ 2083.428910][ T73] inet6_addr_add+0x30e/0xa40 [ 2083.428910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.428910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.428910][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.428910][ T73] netlink_unicast+0x449/0x710 [ 2083.428910][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.428910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.428910][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.428910][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.428910][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.428910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.428910][ T73] [ 2083.430907][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.430907][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.430907][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.430907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.430907][ T73] ip6_route_add+0x1c/0x140 [ 2083.430907][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.430907][ T73] addrconf_add_dev+0xe2/0x170 [ 2083.430907][ T73] inet6_addr_add+0x12f/0xa40 [ 2083.430907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.430907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.430907][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.430907][ T73] netlink_unicast+0x449/0x710 [ 2083.430907][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.430907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.430907][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.430907][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.430907][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.430907][ T73] [ 2083.432859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.432859][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2083.432859][ T73] ipv6_find_idev+0x102/0x170 [ 2083.432859][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.432859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.432859][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.432859][ T73] netlink_unicast+0x449/0x710 [ 2083.432859][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.432859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.432859][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.432859][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.432859][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.432859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.432859][ T73] [ 2083.434386][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2083.434386][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2083.434386][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2083.434386][ T73] ipv6_find_idev+0x102/0x170 [ 2083.434386][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.434386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.434386][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.434386][ T73] netlink_unicast+0x449/0x710 [ 2083.434386][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.434386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.434386][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.434386][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.434386][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.434386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.434386][ T73] [ 2083.436076][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2083.436352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.436352][ T73] dst_init+0x84/0x4a0 [ 2083.436352][ T73] dst_alloc+0x97/0x150 [ 2083.436352][ T73] ip6_dst_alloc+0x23/0x90 [ 2083.436352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2083.436352][ T73] ip6_pol_route+0x56f/0x840 [ 2083.436352][ T73] fib6_rule_lookup+0x456/0x630 [ 2083.436352][ T73] ip6_route_input+0x59c/0xa50 [ 2083.436352][ T73] ipv6_rcv+0x397/0x810 [ 2083.436352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2083.436352][ T73] process_backlog+0x101/0x620 [ 2083.436352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2083.436352][ T73] net_rx_action+0x495/0xbe0 [ 2083.436352][ T73] __do_softirq+0x1b5/0x7f6 [ 2083.436352][ T73] [ 2083.437975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.437975][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.437975][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.437975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.437975][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2083.437975][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2083.437975][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2083.437975][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2083.437975][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2083.437975][ T73] addrconf_dad_begin+0x310/0x670 [ 2083.437975][ T73] addrconf_dad_work+0x10b/0xab0 [ 2083.437975][ T73] process_one_work+0x84d/0x18a0 [ 2083.437975][ T73] worker_thread+0x587/0xd30 [ 2083.437975][ T73] kthread+0x28a/0x350 [ 2083.437975][ T73] ret_from_fork+0x31/0x70 [ 2083.437975][ T73] ret_from_fork_asm+0x1a/0x30 [ 2083.437975][ T73] [ 2083.439865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.439865][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.439865][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.439865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.439865][ T73] ip6_route_add+0x1c/0x140 [ 2083.439865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2083.439865][ T73] inet6_addr_add+0x4f8/0xa40 [ 2083.439865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.439865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.439865][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.439865][ T73] netlink_unicast+0x449/0x710 [ 2083.439865][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.439865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.439865][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.439865][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.439865][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.439865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.439865][ T73] [ 2083.441850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.441850][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.441850][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.441850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.441850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2083.441850][ T73] ipv6_add_addr+0x411/0x2000 [ 2083.441850][ T73] inet6_addr_add+0x30e/0xa40 [ 2083.441850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.441850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.441850][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.441850][ T73] netlink_unicast+0x449/0x710 [ 2083.441850][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.441850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.441850][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.441850][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.441850][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.441850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.441850][ T73] [ 2083.443832][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.443832][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.443832][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.443832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.443832][ T73] ip6_route_add+0x1c/0x140 [ 2083.443832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.443832][ T73] addrconf_add_dev+0xe2/0x170 [ 2083.443832][ T73] inet6_addr_add+0x12f/0xa40 [ 2083.443832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.443832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.443832][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.443832][ T73] netlink_unicast+0x449/0x710 [ 2083.443832][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.443832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.443832][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.443832][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.443832][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.443832][ T73] [ 2083.445776][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.445776][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2083.445776][ T73] ipv6_find_idev+0x102/0x170 [ 2083.445776][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.445776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.445776][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.445776][ T73] netlink_unicast+0x449/0x710 [ 2083.445776][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.445776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.445776][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.445776][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.445776][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.445776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.445776][ T73] [ 2083.447304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2083.447304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2083.447304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2083.447304][ T73] ipv6_find_idev+0x102/0x170 [ 2083.447304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.447304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.447304][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.447304][ T73] netlink_unicast+0x449/0x710 [ 2083.447304][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.447304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.447304][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.447304][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.447304][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.447304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.447304][ T73] [ 2083.449104][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2083.449442][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.449442][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2083.449442][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2083.449442][ T73] fib6_nh_init+0xa22/0x1580 [ 2083.449442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.449442][ T73] ip6_route_add+0x1c/0x140 [ 2083.449442][ T73] inet6_rtm_newroute+0x104/0x110 [ 2083.449442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.449442][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.449442][ T73] netlink_unicast+0x449/0x710 [ 2083.449442][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.449442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.449442][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.449442][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.449442][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.449442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.449442][ T73] [ 2083.451502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.451502][ T73] dst_init+0x84/0x4a0 [ 2083.451502][ T73] dst_alloc+0x97/0x150 [ 2083.451502][ T73] ip6_dst_alloc+0x23/0x90 [ 2083.451502][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2083.451502][ T73] ip6_pol_route+0x56f/0x840 [ 2083.451502][ T73] fib6_rule_lookup+0x456/0x630 [ 2083.451502][ T73] ip6_route_input+0x59c/0xa50 [ 2083.451502][ T73] ipv6_rcv+0x397/0x810 [ 2083.451502][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2083.451502][ T73] process_backlog+0x101/0x620 [ 2083.451502][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2083.451502][ T73] net_rx_action+0x495/0xbe0 [ 2083.451502][ T73] __do_softirq+0x1b5/0x7f6 [ 2083.451502][ T73] [ 2083.453303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.453303][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.453303][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.453303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.453303][ T73] ip6_route_add+0x1c/0x140 [ 2083.453303][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2083.453303][ T73] inet6_addr_add+0x4f8/0xa40 [ 2083.453303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.453303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.453303][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.453303][ T73] netlink_unicast+0x449/0x710 [ 2083.453303][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.453303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.453303][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.453303][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.453303][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.453303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.453303][ T73] [ 2083.455585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.455585][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.455585][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.455585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.455585][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2083.455585][ T73] ipv6_add_addr+0x411/0x2000 [ 2083.455585][ T73] inet6_addr_add+0x30e/0xa40 [ 2083.455585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.455585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.455585][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.455585][ T73] netlink_unicast+0x449/0x710 [ 2083.455585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.455585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.455585][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.455585][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.455585][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.455585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.455585][ T73] [ 2083.457805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.457805][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.457805][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.457805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.457805][ T73] ip6_route_add+0x1c/0x140 [ 2083.457805][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.457805][ T73] addrconf_add_dev+0xe2/0x170 [ 2083.457805][ T73] inet6_addr_add+0x12f/0xa40 [ 2083.457805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.457805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.457805][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.457805][ T73] netlink_unicast+0x449/0x710 [ 2083.457805][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.457805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.457805][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.457805][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.457805][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.457805][ T73] [ 2083.459990][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.459990][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2083.459990][ T73] ipv6_find_idev+0x102/0x170 [ 2083.459990][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.459990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.459990][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.459990][ T73] netlink_unicast+0x449/0x710 [ 2083.459990][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.459990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.459990][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.459990][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.459990][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.459990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.459990][ T73] [ 2083.461720][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2083.461720][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2083.461720][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2083.461720][ T73] ipv6_find_idev+0x102/0x170 [ 2083.461720][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.461720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.461720][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.461720][ T73] netlink_unicast+0x449/0x710 [ 2083.461720][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.461720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.461720][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.461720][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.461720][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.461720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.461720][ T73] [ 2083.463644][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2083.464361][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2083.464361][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.464361][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.464361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.464361][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2083.464361][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2083.464361][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2083.464361][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2083.464361][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2083.464361][ T73] addrconf_dad_begin+0x310/0x670 [ 2083.464361][ T73] addrconf_dad_work+0x10b/0xab0 [ 2083.464361][ T73] process_one_work+0x84d/0x18a0 [ 2083.464361][ T73] worker_thread+0x587/0xd30 [ 2083.464361][ T73] kthread+0x28a/0x350 [ 2083.464361][ T73] ret_from_fork+0x31/0x70 [ 2083.464361][ T73] ret_from_fork_asm+0x1a/0x30 [ 2083.464361][ T73] [ 2083.466255][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2083.466255][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.466255][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.466255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.466255][ T73] ip6_route_add+0x1c/0x140 [ 2083.466255][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2083.466255][ T73] inet6_addr_add+0x4f8/0xa40 [ 2083.466255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.466255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.466255][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.466255][ T73] netlink_unicast+0x449/0x710 [ 2083.466255][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.466255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.466255][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.466255][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.466255][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.466255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.466255][ T73] [ 2083.468353][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2083.468353][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.468353][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.468353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.468353][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2083.468353][ T73] ipv6_add_addr+0x411/0x2000 [ 2083.468353][ T73] inet6_addr_add+0x30e/0xa40 [ 2083.468353][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.468353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.468353][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.468353][ T73] netlink_unicast+0x449/0x710 [ 2083.468353][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.468353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.468353][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.468353][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.468353][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.468353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.468353][ T73] [ 2083.470570][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2083.470570][ T73] netdev_get_by_index+0x5e/0x80 [ 2083.470570][ T73] fib6_nh_init+0x3d8/0x1580 [ 2083.470570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2083.470570][ T73] ip6_route_add+0x1c/0x140 [ 2083.470570][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.470570][ T73] addrconf_add_dev+0xe2/0x170 [ 2083.470570][ T73] inet6_addr_add+0x12f/0xa40 [ 2083.470570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.470570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.470570][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.470570][ T73] netlink_unicast+0x449/0x710 [ 2083.470570][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.470570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.470570][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.470570][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.470570][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.470570][ T73] [ 2083.472700][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2083.472700][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2083.472700][ T73] ipv6_find_idev+0x102/0x170 [ 2083.472700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.472700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.472700][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.472700][ T73] netlink_unicast+0x449/0x710 [ 2083.472700][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.472700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.472700][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.472700][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.472700][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.472700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.472700][ T73] [ 2083.474415][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2083.474415][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2083.474415][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2083.474415][ T73] ipv6_find_idev+0x102/0x170 [ 2083.474415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.474415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.474415][ T73] netlink_rcv_skb+0x130/0x360 [ 2083.474415][ T73] netlink_unicast+0x449/0x710 [ 2083.474415][ T73] netlink_sendmsg+0x723/0xbe0 [ 2083.474415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2083.474415][ T73] ___sys_sendmsg+0xee/0x170 [ 2083.474415][ T73] __sys_sendmsg+0xcd/0x170 [ 2083.474415][ T73] do_syscall_64+0xc6/0x1e0 [ 2083.474415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.474415][ T73] [ 2093.718890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2093.719377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.719377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2093.719377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2093.719377][ T73] fib6_nh_init+0xa22/0x1580 [ 2093.719377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.719377][ T73] ip6_route_add+0x1c/0x140 [ 2093.719377][ T73] inet6_rtm_newroute+0x104/0x110 [ 2093.719377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.719377][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.719377][ T73] netlink_unicast+0x449/0x710 [ 2093.719377][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.719377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.719377][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.719377][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.719377][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.719377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.719377][ T73] [ 2093.721344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.721344][ T73] dst_init+0x84/0x4a0 [ 2093.721344][ T73] dst_alloc+0x97/0x150 [ 2093.721344][ T73] ip6_dst_alloc+0x23/0x90 [ 2093.721344][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2093.721344][ T73] ip6_pol_route+0x56f/0x840 [ 2093.721344][ T73] fib6_rule_lookup+0x456/0x630 [ 2093.721344][ T73] ip6_route_input+0x59c/0xa50 [ 2093.721344][ T73] ipv6_rcv+0x397/0x810 [ 2093.721344][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2093.721344][ T73] process_backlog+0x101/0x620 [ 2093.721344][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2093.721344][ T73] net_rx_action+0x495/0xbe0 [ 2093.721344][ T73] __do_softirq+0x1b5/0x7f6 [ 2093.721344][ T73] [ 2093.723142][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.723142][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.723142][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.723142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.723142][ T73] ip6_route_add+0x1c/0x140 [ 2093.723142][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2093.723142][ T73] inet6_addr_add+0x4f8/0xa40 [ 2093.723142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.723142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.723142][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.723142][ T73] netlink_unicast+0x449/0x710 [ 2093.723142][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.723142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.723142][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.723142][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.723142][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.723142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.723142][ T73] [ 2093.725340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.725340][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.725340][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.725340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.725340][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2093.725340][ T73] ipv6_add_addr+0x411/0x2000 [ 2093.725340][ T73] inet6_addr_add+0x30e/0xa40 [ 2093.725340][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.725340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.725340][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.725340][ T73] netlink_unicast+0x449/0x710 [ 2093.725340][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.725340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.725340][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.725340][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.725340][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.725340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.725340][ T73] [ 2093.727540][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.727540][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.727540][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.727540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.727540][ T73] ip6_route_add+0x1c/0x140 [ 2093.727540][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.727540][ T73] addrconf_add_dev+0xe2/0x170 [ 2093.727540][ T73] inet6_addr_add+0x12f/0xa40 [ 2093.727540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.727540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.727540][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.727540][ T73] netlink_unicast+0x449/0x710 [ 2093.727540][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.727540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.727540][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.727540][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.727540][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.727540][ T73] [ 2093.729718][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.729718][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2093.729718][ T73] ipv6_find_idev+0x102/0x170 [ 2093.729718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.729718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.729718][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.729718][ T73] netlink_unicast+0x449/0x710 [ 2093.729718][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.729718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.729718][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.729718][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.729718][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.729718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.729718][ T73] [ 2093.731417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2093.731417][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2093.731417][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2093.731417][ T73] ipv6_find_idev+0x102/0x170 [ 2093.731417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.731417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.731417][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.731417][ T73] netlink_unicast+0x449/0x710 [ 2093.731417][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.731417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.731417][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.731417][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.731417][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.731417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.731417][ T73] [ 2093.733279][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2093.733571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.733571][ T73] dst_init+0x84/0x4a0 [ 2093.733571][ T73] dst_alloc+0x97/0x150 [ 2093.733571][ T73] ip6_dst_alloc+0x23/0x90 [ 2093.733571][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2093.733571][ T73] ip6_pol_route+0x56f/0x840 [ 2093.733571][ T73] fib6_rule_lookup+0x456/0x630 [ 2093.733571][ T73] ip6_route_input+0x59c/0xa50 [ 2093.733571][ T73] ipv6_rcv+0x397/0x810 [ 2093.733571][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2093.733571][ T73] process_backlog+0x101/0x620 [ 2093.733571][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2093.733571][ T73] net_rx_action+0x495/0xbe0 [ 2093.733571][ T73] __do_softirq+0x1b5/0x7f6 [ 2093.733571][ T73] [ 2093.735300][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.735300][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.735300][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.735300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.735300][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2093.735300][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2093.735300][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2093.735300][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2093.735300][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2093.735300][ T73] addrconf_dad_begin+0x310/0x670 [ 2093.735300][ T73] addrconf_dad_work+0x10b/0xab0 [ 2093.735300][ T73] process_one_work+0x84d/0x18a0 [ 2093.735300][ T73] worker_thread+0x587/0xd30 [ 2093.735300][ T73] kthread+0x28a/0x350 [ 2093.735300][ T73] ret_from_fork+0x31/0x70 [ 2093.735300][ T73] ret_from_fork_asm+0x1a/0x30 [ 2093.735300][ T73] [ 2093.737193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.737193][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.737193][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.737193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.737193][ T73] ip6_route_add+0x1c/0x140 [ 2093.737193][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2093.737193][ T73] inet6_addr_add+0x4f8/0xa40 [ 2093.737193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.737193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.737193][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.737193][ T73] netlink_unicast+0x449/0x710 [ 2093.737193][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.737193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.737193][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.737193][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.737193][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.737193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.737193][ T73] [ 2093.739169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.739169][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.739169][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.739169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.739169][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2093.739169][ T73] ipv6_add_addr+0x411/0x2000 [ 2093.739169][ T73] inet6_addr_add+0x30e/0xa40 [ 2093.739169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.739169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.739169][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.739169][ T73] netlink_unicast+0x449/0x710 [ 2093.739169][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.739169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.739169][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.739169][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.739169][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.739169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.739169][ T73] [ 2093.741154][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.741154][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.741154][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.741154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.741154][ T73] ip6_route_add+0x1c/0x140 [ 2093.741154][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.741154][ T73] addrconf_add_dev+0xe2/0x170 [ 2093.741154][ T73] inet6_addr_add+0x12f/0xa40 [ 2093.741154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.741154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.741154][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.741154][ T73] netlink_unicast+0x449/0x710 [ 2093.741154][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.741154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.741154][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.741154][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.741154][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.741154][ T73] [ 2093.743103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.743103][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2093.743103][ T73] ipv6_find_idev+0x102/0x170 [ 2093.743103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.743103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.743103][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.743103][ T73] netlink_unicast+0x449/0x710 [ 2093.743103][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.743103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.743103][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.743103][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.743103][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.743103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.743103][ T73] [ 2093.744630][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2093.744630][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2093.744630][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2093.744630][ T73] ipv6_find_idev+0x102/0x170 [ 2093.744630][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.744630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.744630][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.744630][ T73] netlink_unicast+0x449/0x710 [ 2093.744630][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.744630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.744630][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.744630][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.744630][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.744630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.744630][ T73] [ 2093.746378][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2093.747257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.747257][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2093.747257][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2093.747257][ T73] fib6_nh_init+0xa22/0x1580 [ 2093.747257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.747257][ T73] ip6_route_add+0x1c/0x140 [ 2093.747257][ T73] inet6_rtm_newroute+0x104/0x110 [ 2093.747257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.747257][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.747257][ T73] netlink_unicast+0x449/0x710 [ 2093.747257][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.747257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.747257][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.747257][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.747257][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.747257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.747257][ T73] [ 2093.749358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.749358][ T73] dst_init+0x84/0x4a0 [ 2093.749358][ T73] dst_alloc+0x97/0x150 [ 2093.749358][ T73] ip6_dst_alloc+0x23/0x90 [ 2093.749358][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2093.749358][ T73] ip6_pol_route+0x56f/0x840 [ 2093.749358][ T73] fib6_rule_lookup+0x456/0x630 [ 2093.749358][ T73] ip6_route_input+0x59c/0xa50 [ 2093.749358][ T73] ipv6_rcv+0x397/0x810 [ 2093.749358][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2093.749358][ T73] process_backlog+0x101/0x620 [ 2093.749358][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2093.749358][ T73] net_rx_action+0x495/0xbe0 [ 2093.749358][ T73] __do_softirq+0x1b5/0x7f6 [ 2093.749358][ T73] [ 2093.751172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.751172][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.751172][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.751172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.751172][ T73] ip6_route_add+0x1c/0x140 [ 2093.751172][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2093.751172][ T73] inet6_addr_add+0x4f8/0xa40 [ 2093.751172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.751172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.751172][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.751172][ T73] netlink_unicast+0x449/0x710 [ 2093.751172][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.751172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.751172][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.751172][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.751172][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.751172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.751172][ T73] [ 2093.753393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.753393][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.753393][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.753393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.753393][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2093.753393][ T73] ipv6_add_addr+0x411/0x2000 [ 2093.753393][ T73] inet6_addr_add+0x30e/0xa40 [ 2093.753393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.753393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.753393][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.753393][ T73] netlink_unicast+0x449/0x710 [ 2093.753393][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.753393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.753393][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.753393][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.753393][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.753393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.753393][ T73] [ 2093.755553][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.755553][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.755553][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.755553][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.755553][ T73] ip6_route_add+0x1c/0x140 [ 2093.755553][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.755553][ T73] addrconf_add_dev+0xe2/0x170 [ 2093.755553][ T73] inet6_addr_add+0x12f/0xa40 [ 2093.755553][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.755553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.755553][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.755553][ T73] netlink_unicast+0x449/0x710 [ 2093.755553][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.755553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.755553][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.755553][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.755553][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.755553][ T73] [ 2093.757798][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.757798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2093.757798][ T73] ipv6_find_idev+0x102/0x170 [ 2093.757798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.757798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.757798][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.757798][ T73] netlink_unicast+0x449/0x710 [ 2093.757798][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.757798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.757798][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.757798][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.757798][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.757798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.757798][ T73] [ 2093.759503][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2093.759503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2093.759503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2093.759503][ T73] ipv6_find_idev+0x102/0x170 [ 2093.759503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.759503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.759503][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.759503][ T73] netlink_unicast+0x449/0x710 [ 2093.759503][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.759503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.759503][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.759503][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.759503][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.759503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.759503][ T73] [ 2093.761356][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2093.761624][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2093.761624][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.761624][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.761624][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.761624][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2093.761624][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2093.761624][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2093.761624][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2093.761624][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2093.761624][ T73] addrconf_dad_begin+0x310/0x670 [ 2093.761624][ T73] addrconf_dad_work+0x10b/0xab0 [ 2093.761624][ T73] process_one_work+0x84d/0x18a0 [ 2093.761624][ T73] worker_thread+0x587/0xd30 [ 2093.761624][ T73] kthread+0x28a/0x350 [ 2093.761624][ T73] ret_from_fork+0x31/0x70 [ 2093.761624][ T73] ret_from_fork_asm+0x1a/0x30 [ 2093.761624][ T73] [ 2093.763780][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2093.763780][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.763780][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.763780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.763780][ T73] ip6_route_add+0x1c/0x140 [ 2093.763780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2093.763780][ T73] inet6_addr_add+0x4f8/0xa40 [ 2093.763780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.763780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.763780][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.763780][ T73] netlink_unicast+0x449/0x710 [ 2093.763780][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.763780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.763780][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.763780][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.763780][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.763780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.763780][ T73] [ 2093.766005][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2093.766005][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.766005][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.766005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.766005][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2093.766005][ T73] ipv6_add_addr+0x411/0x2000 [ 2093.766005][ T73] inet6_addr_add+0x30e/0xa40 [ 2093.766005][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.766005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.766005][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.766005][ T73] netlink_unicast+0x449/0x710 [ 2093.766005][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.766005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.766005][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.766005][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.766005][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.766005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.766005][ T73] [ 2093.768291][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2093.768291][ T73] netdev_get_by_index+0x5e/0x80 [ 2093.768291][ T73] fib6_nh_init+0x3d8/0x1580 [ 2093.768291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2093.768291][ T73] ip6_route_add+0x1c/0x140 [ 2093.768291][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.768291][ T73] addrconf_add_dev+0xe2/0x170 [ 2093.768291][ T73] inet6_addr_add+0x12f/0xa40 [ 2093.768291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.768291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.768291][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.768291][ T73] netlink_unicast+0x449/0x710 [ 2093.768291][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.768291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.768291][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.768291][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.768291][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.768291][ T73] [ 2093.770417][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2093.770417][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2093.770417][ T73] ipv6_find_idev+0x102/0x170 [ 2093.770417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.770417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.770417][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.770417][ T73] netlink_unicast+0x449/0x710 [ 2093.770417][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.770417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.770417][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.770417][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.770417][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.770417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.770417][ T73] [ 2093.772132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2093.772132][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2093.772132][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2093.772132][ T73] ipv6_find_idev+0x102/0x170 [ 2093.772132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.772132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.772132][ T73] netlink_rcv_skb+0x130/0x360 [ 2093.772132][ T73] netlink_unicast+0x449/0x710 [ 2093.772132][ T73] netlink_sendmsg+0x723/0xbe0 [ 2093.772132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2093.772132][ T73] ___sys_sendmsg+0xee/0x170 [ 2093.772132][ T73] __sys_sendmsg+0xcd/0x170 [ 2093.772132][ T73] do_syscall_64+0xc6/0x1e0 [ 2093.772132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.772132][ T73] [ 2103.958889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2103.959311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.959311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2103.959311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2103.959311][ T73] fib6_nh_init+0xa22/0x1580 [ 2103.959311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.959311][ T73] ip6_route_add+0x1c/0x140 [ 2103.959311][ T73] inet6_rtm_newroute+0x104/0x110 [ 2103.959311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.959311][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.959311][ T73] netlink_unicast+0x449/0x710 [ 2103.959311][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.959311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.959311][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.959311][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.959311][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.959311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.959311][ T73] [ 2103.961272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.961272][ T73] dst_init+0x84/0x4a0 [ 2103.961272][ T73] dst_alloc+0x97/0x150 [ 2103.961272][ T73] ip6_dst_alloc+0x23/0x90 [ 2103.961272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2103.961272][ T73] ip6_pol_route+0x56f/0x840 [ 2103.961272][ T73] fib6_rule_lookup+0x456/0x630 [ 2103.961272][ T73] ip6_route_input+0x59c/0xa50 [ 2103.961272][ T73] ipv6_rcv+0x397/0x810 [ 2103.961272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2103.961272][ T73] process_backlog+0x101/0x620 [ 2103.961272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2103.961272][ T73] net_rx_action+0x495/0xbe0 [ 2103.961272][ T73] __do_softirq+0x1b5/0x7f6 [ 2103.961272][ T73] [ 2103.962934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.962934][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.962934][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.962934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.962934][ T73] ip6_route_add+0x1c/0x140 [ 2103.962934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2103.962934][ T73] inet6_addr_add+0x4f8/0xa40 [ 2103.962934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.962934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.962934][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.962934][ T73] netlink_unicast+0x449/0x710 [ 2103.962934][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.962934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.962934][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.962934][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.962934][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.962934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.962934][ T73] [ 2103.964936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.964936][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.964936][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.964936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.964936][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2103.964936][ T73] ipv6_add_addr+0x411/0x2000 [ 2103.964936][ T73] inet6_addr_add+0x30e/0xa40 [ 2103.964936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.964936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.964936][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.964936][ T73] netlink_unicast+0x449/0x710 [ 2103.964936][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.964936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.964936][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.964936][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.964936][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.964936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.964936][ T73] [ 2103.966921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.966921][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.966921][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.966921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.966921][ T73] ip6_route_add+0x1c/0x140 [ 2103.966921][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.966921][ T73] addrconf_add_dev+0xe2/0x170 [ 2103.966921][ T73] inet6_addr_add+0x12f/0xa40 [ 2103.966921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.966921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.966921][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.966921][ T73] netlink_unicast+0x449/0x710 [ 2103.966921][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.966921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.966921][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.966921][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.966921][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.966921][ T73] [ 2103.969277][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.969277][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2103.969277][ T73] ipv6_find_idev+0x102/0x170 [ 2103.969277][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.969277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.969277][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.969277][ T73] netlink_unicast+0x449/0x710 [ 2103.969277][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.969277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.969277][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.969277][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.969277][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.969277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.969277][ T73] [ 2103.970815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2103.970815][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2103.970815][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2103.970815][ T73] ipv6_find_idev+0x102/0x170 [ 2103.970815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.970815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.970815][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.970815][ T73] netlink_unicast+0x449/0x710 [ 2103.970815][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.970815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.970815][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.970815][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.970815][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.970815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.970815][ T73] [ 2103.972511][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2103.972788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.972788][ T73] dst_init+0x84/0x4a0 [ 2103.972788][ T73] dst_alloc+0x97/0x150 [ 2103.972788][ T73] ip6_dst_alloc+0x23/0x90 [ 2103.972788][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2103.972788][ T73] ip6_pol_route+0x56f/0x840 [ 2103.972788][ T73] fib6_rule_lookup+0x456/0x630 [ 2103.972788][ T73] ip6_route_input+0x59c/0xa50 [ 2103.972788][ T73] ipv6_rcv+0x397/0x810 [ 2103.972788][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2103.972788][ T73] process_backlog+0x101/0x620 [ 2103.972788][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2103.972788][ T73] net_rx_action+0x495/0xbe0 [ 2103.972788][ T73] __do_softirq+0x1b5/0x7f6 [ 2103.972788][ T73] [ 2103.974424][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.974424][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.974424][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.974424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.974424][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2103.974424][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2103.974424][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2103.974424][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2103.974424][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2103.974424][ T73] addrconf_dad_begin+0x310/0x670 [ 2103.974424][ T73] addrconf_dad_work+0x10b/0xab0 [ 2103.974424][ T73] process_one_work+0x84d/0x18a0 [ 2103.974424][ T73] worker_thread+0x587/0xd30 [ 2103.974424][ T73] kthread+0x28a/0x350 [ 2103.974424][ T73] ret_from_fork+0x31/0x70 [ 2103.974424][ T73] ret_from_fork_asm+0x1a/0x30 [ 2103.974424][ T73] [ 2103.976316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.976316][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.976316][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.976316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.976316][ T73] ip6_route_add+0x1c/0x140 [ 2103.976316][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2103.976316][ T73] inet6_addr_add+0x4f8/0xa40 [ 2103.976316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.976316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.976316][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.976316][ T73] netlink_unicast+0x449/0x710 [ 2103.976316][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.976316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.976316][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.976316][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.976316][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.976316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.976316][ T73] [ 2103.978315][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.978315][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.978315][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.978315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.978315][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2103.978315][ T73] ipv6_add_addr+0x411/0x2000 [ 2103.978315][ T73] inet6_addr_add+0x30e/0xa40 [ 2103.978315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.978315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.978315][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.978315][ T73] netlink_unicast+0x449/0x710 [ 2103.978315][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.978315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.978315][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.978315][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.978315][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.978315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.978315][ T73] [ 2103.980296][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.980296][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.980296][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.980296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.980296][ T73] ip6_route_add+0x1c/0x140 [ 2103.980296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.980296][ T73] addrconf_add_dev+0xe2/0x170 [ 2103.980296][ T73] inet6_addr_add+0x12f/0xa40 [ 2103.980296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.980296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.980296][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.980296][ T73] netlink_unicast+0x449/0x710 [ 2103.980296][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.980296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.980296][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.980296][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.980296][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.980296][ T73] [ 2103.982256][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.982256][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2103.982256][ T73] ipv6_find_idev+0x102/0x170 [ 2103.982256][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.982256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.982256][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.982256][ T73] netlink_unicast+0x449/0x710 [ 2103.982256][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.982256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.982256][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.982256][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.982256][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.982256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.982256][ T73] [ 2103.983788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2103.983788][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2103.983788][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2103.983788][ T73] ipv6_find_idev+0x102/0x170 [ 2103.983788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.983788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.983788][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.983788][ T73] netlink_unicast+0x449/0x710 [ 2103.983788][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.983788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.983788][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.983788][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.983788][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.983788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.983788][ T73] [ 2103.985548][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2103.985819][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.985819][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2103.985819][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2103.985819][ T73] fib6_nh_init+0xa22/0x1580 [ 2103.985819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.985819][ T73] ip6_route_add+0x1c/0x140 [ 2103.985819][ T73] inet6_rtm_newroute+0x104/0x110 [ 2103.985819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.985819][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.985819][ T73] netlink_unicast+0x449/0x710 [ 2103.985819][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.985819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.985819][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.985819][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.985819][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.985819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.985819][ T73] [ 2103.987825][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.987825][ T73] dst_init+0x84/0x4a0 [ 2103.987825][ T73] dst_alloc+0x97/0x150 [ 2103.987825][ T73] ip6_dst_alloc+0x23/0x90 [ 2103.987825][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2103.987825][ T73] ip6_pol_route+0x56f/0x840 [ 2103.987825][ T73] fib6_rule_lookup+0x456/0x630 [ 2103.987825][ T73] ip6_route_input+0x59c/0xa50 [ 2103.987825][ T73] ipv6_rcv+0x397/0x810 [ 2103.987825][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2103.987825][ T73] process_backlog+0x101/0x620 [ 2103.987825][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2103.987825][ T73] net_rx_action+0x495/0xbe0 [ 2103.987825][ T73] __do_softirq+0x1b5/0x7f6 [ 2103.987825][ T73] [ 2103.989583][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.989583][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.989583][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.989583][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.989583][ T73] ip6_route_add+0x1c/0x140 [ 2103.989583][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2103.989583][ T73] inet6_addr_add+0x4f8/0xa40 [ 2103.989583][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.989583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.989583][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.989583][ T73] netlink_unicast+0x449/0x710 [ 2103.989583][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.989583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.989583][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.989583][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.989583][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.989583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.989583][ T73] [ 2103.991707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.991707][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.991707][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.991707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.991707][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2103.991707][ T73] ipv6_add_addr+0x411/0x2000 [ 2103.991707][ T73] inet6_addr_add+0x30e/0xa40 [ 2103.991707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.991707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.991707][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.991707][ T73] netlink_unicast+0x449/0x710 [ 2103.991707][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.991707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.991707][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.991707][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.991707][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.991707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.991707][ T73] [ 2103.993872][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.993872][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.993872][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.993872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.993872][ T73] ip6_route_add+0x1c/0x140 [ 2103.993872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.993872][ T73] addrconf_add_dev+0xe2/0x170 [ 2103.993872][ T73] inet6_addr_add+0x12f/0xa40 [ 2103.993872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.993872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.993872][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.993872][ T73] netlink_unicast+0x449/0x710 [ 2103.993872][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.993872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.993872][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.993872][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.993872][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.993872][ T73] [ 2103.996043][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.996043][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2103.996043][ T73] ipv6_find_idev+0x102/0x170 [ 2103.996043][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.996043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.996043][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.996043][ T73] netlink_unicast+0x449/0x710 [ 2103.996043][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.996043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.996043][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.996043][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.996043][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.996043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.996043][ T73] [ 2103.997645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2103.997645][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2103.997645][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2103.997645][ T73] ipv6_find_idev+0x102/0x170 [ 2103.997645][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.997645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.997645][ T73] netlink_rcv_skb+0x130/0x360 [ 2103.997645][ T73] netlink_unicast+0x449/0x710 [ 2103.997645][ T73] netlink_sendmsg+0x723/0xbe0 [ 2103.997645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2103.997645][ T73] ___sys_sendmsg+0xee/0x170 [ 2103.997645][ T73] __sys_sendmsg+0xcd/0x170 [ 2103.997645][ T73] do_syscall_64+0xc6/0x1e0 [ 2103.997645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.997645][ T73] [ 2103.999489][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2103.999779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2103.999779][ T73] netdev_get_by_index+0x5e/0x80 [ 2103.999779][ T73] fib6_nh_init+0x3d8/0x1580 [ 2103.999779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2103.999779][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2103.999779][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2103.999779][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2103.999779][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2103.999779][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2103.999779][ T73] addrconf_dad_begin+0x310/0x670 [ 2103.999779][ T73] addrconf_dad_work+0x10b/0xab0 [ 2103.999779][ T73] process_one_work+0x84d/0x18a0 [ 2103.999779][ T73] worker_thread+0x587/0xd30 [ 2103.999779][ T73] kthread+0x28a/0x350 [ 2103.999779][ T73] ret_from_fork+0x31/0x70 [ 2103.999779][ T73] ret_from_fork_asm+0x1a/0x30 [ 2103.999779][ T73] [ 2104.001832][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2104.001832][ T73] netdev_get_by_index+0x5e/0x80 [ 2104.001832][ T73] fib6_nh_init+0x3d8/0x1580 [ 2104.001832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2104.001832][ T73] ip6_route_add+0x1c/0x140 [ 2104.001832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2104.001832][ T73] inet6_addr_add+0x4f8/0xa40 [ 2104.001832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.001832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.001832][ T73] netlink_rcv_skb+0x130/0x360 [ 2104.001832][ T73] netlink_unicast+0x449/0x710 [ 2104.001832][ T73] netlink_sendmsg+0x723/0xbe0 [ 2104.001832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2104.001832][ T73] ___sys_sendmsg+0xee/0x170 [ 2104.001832][ T73] __sys_sendmsg+0xcd/0x170 [ 2104.001832][ T73] do_syscall_64+0xc6/0x1e0 [ 2104.001832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.001832][ T73] [ 2104.003956][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2104.003956][ T73] netdev_get_by_index+0x5e/0x80 [ 2104.003956][ T73] fib6_nh_init+0x3d8/0x1580 [ 2104.003956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2104.003956][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2104.003956][ T73] ipv6_add_addr+0x411/0x2000 [ 2104.003956][ T73] inet6_addr_add+0x30e/0xa40 [ 2104.003956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.003956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.003956][ T73] netlink_rcv_skb+0x130/0x360 [ 2104.003956][ T73] netlink_unicast+0x449/0x710 [ 2104.003956][ T73] netlink_sendmsg+0x723/0xbe0 [ 2104.003956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2104.003956][ T73] ___sys_sendmsg+0xee/0x170 [ 2104.003956][ T73] __sys_sendmsg+0xcd/0x170 [ 2104.003956][ T73] do_syscall_64+0xc6/0x1e0 [ 2104.003956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.003956][ T73] [ 2104.006083][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2104.006083][ T73] netdev_get_by_index+0x5e/0x80 [ 2104.006083][ T73] fib6_nh_init+0x3d8/0x1580 [ 2104.006083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2104.006083][ T73] ip6_route_add+0x1c/0x140 [ 2104.006083][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2104.006083][ T73] addrconf_add_dev+0xe2/0x170 [ 2104.006083][ T73] inet6_addr_add+0x12f/0xa40 [ 2104.006083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.006083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.006083][ T73] netlink_rcv_skb+0x130/0x360 [ 2104.006083][ T73] netlink_unicast+0x449/0x710 [ 2104.006083][ T73] netlink_sendmsg+0x723/0xbe0 [ 2104.006083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2104.006083][ T73] ___sys_sendmsg+0xee/0x170 [ 2104.006083][ T73] __sys_sendmsg+0xcd/0x170 [ 2104.006083][ T73] do_syscall_64+0xc6/0x1e0 [ 2104.006083][ T73] [ 2104.008165][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2104.008165][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2104.008165][ T73] ipv6_find_idev+0x102/0x170 [ 2104.008165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.008165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.008165][ T73] netlink_rcv_skb+0x130/0x360 [ 2104.008165][ T73] netlink_unicast+0x449/0x710 [ 2104.008165][ T73] netlink_sendmsg+0x723/0xbe0 [ 2104.008165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2104.008165][ T73] ___sys_sendmsg+0xee/0x170 [ 2104.008165][ T73] __sys_sendmsg+0xcd/0x170 [ 2104.008165][ T73] do_syscall_64+0xc6/0x1e0 [ 2104.008165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.008165][ T73] [ 2104.009769][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2104.009769][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2104.009769][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2104.009769][ T73] ipv6_find_idev+0x102/0x170 [ 2104.009769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.009769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.009769][ T73] netlink_rcv_skb+0x130/0x360 [ 2104.009769][ T73] netlink_unicast+0x449/0x710 [ 2104.009769][ T73] netlink_sendmsg+0x723/0xbe0 [ 2104.009769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2104.009769][ T73] ___sys_sendmsg+0xee/0x170 [ 2104.009769][ T73] __sys_sendmsg+0xcd/0x170 [ 2104.009769][ T73] do_syscall_64+0xc6/0x1e0 [ 2104.009769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.009769][ T73] [ 2114.206899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2114.207400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.207400][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2114.207400][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2114.207400][ T73] fib6_nh_init+0xa22/0x1580 [ 2114.207400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.207400][ T73] ip6_route_add+0x1c/0x140 [ 2114.207400][ T73] inet6_rtm_newroute+0x104/0x110 [ 2114.207400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.207400][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.207400][ T73] netlink_unicast+0x449/0x710 [ 2114.207400][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.207400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.207400][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.207400][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.207400][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.207400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.207400][ T73] [ 2114.209297][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.209297][ T73] dst_init+0x84/0x4a0 [ 2114.209297][ T73] dst_alloc+0x97/0x150 [ 2114.209297][ T73] ip6_dst_alloc+0x23/0x90 [ 2114.209297][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2114.209297][ T73] ip6_pol_route+0x56f/0x840 [ 2114.209297][ T73] fib6_rule_lookup+0x456/0x630 [ 2114.209297][ T73] ip6_route_input+0x59c/0xa50 [ 2114.209297][ T73] ipv6_rcv+0x397/0x810 [ 2114.209297][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2114.209297][ T73] process_backlog+0x101/0x620 [ 2114.209297][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2114.209297][ T73] net_rx_action+0x495/0xbe0 [ 2114.209297][ T73] __do_softirq+0x1b5/0x7f6 [ 2114.209297][ T73] [ 2114.210946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.210946][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.210946][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.210946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.210946][ T73] ip6_route_add+0x1c/0x140 [ 2114.210946][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2114.210946][ T73] inet6_addr_add+0x4f8/0xa40 [ 2114.210946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.210946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.210946][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.210946][ T73] netlink_unicast+0x449/0x710 [ 2114.210946][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.210946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.210946][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.210946][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.210946][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.210946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.210946][ T73] [ 2114.212951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.212951][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.212951][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.212951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.212951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2114.212951][ T73] ipv6_add_addr+0x411/0x2000 [ 2114.212951][ T73] inet6_addr_add+0x30e/0xa40 [ 2114.212951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.212951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.212951][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.212951][ T73] netlink_unicast+0x449/0x710 [ 2114.212951][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.212951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.212951][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.212951][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.212951][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.212951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.212951][ T73] [ 2114.214944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.214944][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.214944][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.214944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.214944][ T73] ip6_route_add+0x1c/0x140 [ 2114.214944][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.214944][ T73] addrconf_add_dev+0xe2/0x170 [ 2114.214944][ T73] inet6_addr_add+0x12f/0xa40 [ 2114.214944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.214944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.214944][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.214944][ T73] netlink_unicast+0x449/0x710 [ 2114.214944][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.214944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.214944][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.214944][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.214944][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.214944][ T73] [ 2114.216896][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.216896][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2114.216896][ T73] ipv6_find_idev+0x102/0x170 [ 2114.216896][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.216896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.216896][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.216896][ T73] netlink_unicast+0x449/0x710 [ 2114.216896][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.216896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.216896][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.216896][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.216896][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.216896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.216896][ T73] [ 2114.218432][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2114.218432][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2114.218432][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2114.218432][ T73] ipv6_find_idev+0x102/0x170 [ 2114.218432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.218432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.218432][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.218432][ T73] netlink_unicast+0x449/0x710 [ 2114.218432][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.218432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.218432][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.218432][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.218432][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.218432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.218432][ T73] [ 2114.220123][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2114.220400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.220400][ T73] dst_init+0x84/0x4a0 [ 2114.220400][ T73] dst_alloc+0x97/0x150 [ 2114.220400][ T73] ip6_dst_alloc+0x23/0x90 [ 2114.220400][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2114.220400][ T73] ip6_pol_route+0x56f/0x840 [ 2114.220400][ T73] fib6_rule_lookup+0x456/0x630 [ 2114.220400][ T73] ip6_route_input+0x59c/0xa50 [ 2114.220400][ T73] ipv6_rcv+0x397/0x810 [ 2114.220400][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2114.220400][ T73] process_backlog+0x101/0x620 [ 2114.220400][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2114.220400][ T73] net_rx_action+0x495/0xbe0 [ 2114.220400][ T73] __do_softirq+0x1b5/0x7f6 [ 2114.220400][ T73] [ 2114.222050][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.222050][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.222050][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.222050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.222050][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2114.222050][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2114.222050][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2114.222050][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2114.222050][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2114.222050][ T73] addrconf_dad_begin+0x310/0x670 [ 2114.222050][ T73] addrconf_dad_work+0x10b/0xab0 [ 2114.222050][ T73] process_one_work+0x84d/0x18a0 [ 2114.222050][ T73] worker_thread+0x587/0xd30 [ 2114.222050][ T73] kthread+0x28a/0x350 [ 2114.222050][ T73] ret_from_fork+0x31/0x70 [ 2114.222050][ T73] ret_from_fork_asm+0x1a/0x30 [ 2114.222050][ T73] [ 2114.224051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.224051][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.224051][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.224051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.224051][ T73] ip6_route_add+0x1c/0x140 [ 2114.224051][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2114.224051][ T73] inet6_addr_add+0x4f8/0xa40 [ 2114.224051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.224051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.224051][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.224051][ T73] netlink_unicast+0x449/0x710 [ 2114.224051][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.224051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.224051][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.224051][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.224051][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.224051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.224051][ T73] [ 2114.226039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.226039][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.226039][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.226039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.226039][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2114.226039][ T73] ipv6_add_addr+0x411/0x2000 [ 2114.226039][ T73] inet6_addr_add+0x30e/0xa40 [ 2114.226039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.226039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.226039][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.226039][ T73] netlink_unicast+0x449/0x710 [ 2114.226039][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.226039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.226039][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.226039][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.226039][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.226039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.226039][ T73] [ 2114.228027][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.228027][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.228027][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.228027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.228027][ T73] ip6_route_add+0x1c/0x140 [ 2114.228027][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.228027][ T73] addrconf_add_dev+0xe2/0x170 [ 2114.228027][ T73] inet6_addr_add+0x12f/0xa40 [ 2114.228027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.228027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.228027][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.228027][ T73] netlink_unicast+0x449/0x710 [ 2114.228027][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.228027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.228027][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.228027][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.228027][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.228027][ T73] [ 2114.229979][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.229979][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2114.229979][ T73] ipv6_find_idev+0x102/0x170 [ 2114.229979][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.229979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.229979][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.229979][ T73] netlink_unicast+0x449/0x710 [ 2114.229979][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.229979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.229979][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.229979][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.229979][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.229979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.229979][ T73] [ 2114.231523][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2114.231523][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2114.231523][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2114.231523][ T73] ipv6_find_idev+0x102/0x170 [ 2114.231523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.231523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.231523][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.231523][ T73] netlink_unicast+0x449/0x710 [ 2114.231523][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.231523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.231523][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.231523][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.231523][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.231523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.231523][ T73] [ 2114.233257][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2114.233526][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.233526][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2114.233526][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2114.233526][ T73] fib6_nh_init+0xa22/0x1580 [ 2114.233526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.233526][ T73] ip6_route_add+0x1c/0x140 [ 2114.233526][ T73] inet6_rtm_newroute+0x104/0x110 [ 2114.233526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.233526][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.233526][ T73] netlink_unicast+0x449/0x710 [ 2114.233526][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.233526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.233526][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.233526][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.233526][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.233526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.233526][ T73] [ 2114.235699][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.235699][ T73] dst_init+0x84/0x4a0 [ 2114.235699][ T73] dst_alloc+0x97/0x150 [ 2114.235699][ T73] ip6_dst_alloc+0x23/0x90 [ 2114.235699][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2114.235699][ T73] ip6_pol_route+0x56f/0x840 [ 2114.235699][ T73] fib6_rule_lookup+0x456/0x630 [ 2114.235699][ T73] ip6_route_input+0x59c/0xa50 [ 2114.235699][ T73] ipv6_rcv+0x397/0x810 [ 2114.235699][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2114.235699][ T73] process_backlog+0x101/0x620 [ 2114.235699][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2114.235699][ T73] net_rx_action+0x495/0xbe0 [ 2114.235699][ T73] __do_softirq+0x1b5/0x7f6 [ 2114.235699][ T73] [ 2114.237521][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.237521][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.237521][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.237521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.237521][ T73] ip6_route_add+0x1c/0x140 [ 2114.237521][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2114.237521][ T73] inet6_addr_add+0x4f8/0xa40 [ 2114.237521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.237521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.237521][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.237521][ T73] netlink_unicast+0x449/0x710 [ 2114.237521][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.237521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.237521][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.237521][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.237521][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.237521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.237521][ T73] [ 2114.239743][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.239743][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.239743][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.239743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.239743][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2114.239743][ T73] ipv6_add_addr+0x411/0x2000 [ 2114.239743][ T73] inet6_addr_add+0x30e/0xa40 [ 2114.239743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.239743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.239743][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.239743][ T73] netlink_unicast+0x449/0x710 [ 2114.239743][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.239743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.239743][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.239743][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.239743][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.239743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.239743][ T73] [ 2114.241996][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.241996][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.241996][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.241996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.241996][ T73] ip6_route_add+0x1c/0x140 [ 2114.241996][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.241996][ T73] addrconf_add_dev+0xe2/0x170 [ 2114.241996][ T73] inet6_addr_add+0x12f/0xa40 [ 2114.241996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.241996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.241996][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.241996][ T73] netlink_unicast+0x449/0x710 [ 2114.241996][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.241996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.241996][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.241996][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.241996][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.241996][ T73] [ 2114.244269][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.244269][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2114.244269][ T73] ipv6_find_idev+0x102/0x170 [ 2114.244269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.244269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.244269][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.244269][ T73] netlink_unicast+0x449/0x710 [ 2114.244269][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.244269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.244269][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.244269][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.244269][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.244269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.244269][ T73] [ 2114.245914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2114.245914][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2114.245914][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2114.245914][ T73] ipv6_find_idev+0x102/0x170 [ 2114.245914][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.245914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.245914][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.245914][ T73] netlink_unicast+0x449/0x710 [ 2114.245914][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.245914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.245914][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.245914][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.245914][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.245914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.245914][ T73] [ 2114.247825][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2114.248095][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2114.248095][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.248095][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.248095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.248095][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2114.248095][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2114.248095][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2114.248095][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2114.248095][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2114.248095][ T73] addrconf_dad_begin+0x310/0x670 [ 2114.248095][ T73] addrconf_dad_work+0x10b/0xab0 [ 2114.248095][ T73] process_one_work+0x84d/0x18a0 [ 2114.248095][ T73] worker_thread+0x587/0xd30 [ 2114.248095][ T73] kthread+0x28a/0x350 [ 2114.248095][ T73] ret_from_fork+0x31/0x70 [ 2114.248095][ T73] ret_from_fork_asm+0x1a/0x30 [ 2114.248095][ T73] [ 2114.250247][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2114.250247][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.250247][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.250247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.250247][ T73] ip6_route_add+0x1c/0x140 [ 2114.250247][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2114.250247][ T73] inet6_addr_add+0x4f8/0xa40 [ 2114.250247][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.250247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.250247][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.250247][ T73] netlink_unicast+0x449/0x710 [ 2114.250247][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.250247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.250247][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.250247][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.250247][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.250247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.250247][ T73] [ 2114.252543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2114.252543][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.252543][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.252543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.252543][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2114.252543][ T73] ipv6_add_addr+0x411/0x2000 [ 2114.252543][ T73] inet6_addr_add+0x30e/0xa40 [ 2114.252543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.252543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.252543][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.252543][ T73] netlink_unicast+0x449/0x710 [ 2114.252543][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.252543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.252543][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.252543][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.252543][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.252543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.252543][ T73] [ 2114.254714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2114.254714][ T73] netdev_get_by_index+0x5e/0x80 [ 2114.254714][ T73] fib6_nh_init+0x3d8/0x1580 [ 2114.254714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2114.254714][ T73] ip6_route_add+0x1c/0x140 [ 2114.254714][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.254714][ T73] addrconf_add_dev+0xe2/0x170 [ 2114.254714][ T73] inet6_addr_add+0x12f/0xa40 [ 2114.254714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.254714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.254714][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.254714][ T73] netlink_unicast+0x449/0x710 [ 2114.254714][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.254714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.254714][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.254714][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.254714][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.254714][ T73] [ 2114.256903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2114.256903][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2114.256903][ T73] ipv6_find_idev+0x102/0x170 [ 2114.256903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.256903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.256903][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.256903][ T73] netlink_unicast+0x449/0x710 [ 2114.256903][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.256903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.256903][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.256903][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.256903][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.256903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.256903][ T73] [ 2114.258610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2114.258610][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2114.258610][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2114.258610][ T73] ipv6_find_idev+0x102/0x170 [ 2114.258610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.258610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.258610][ T73] netlink_rcv_skb+0x130/0x360 [ 2114.258610][ T73] netlink_unicast+0x449/0x710 [ 2114.258610][ T73] netlink_sendmsg+0x723/0xbe0 [ 2114.258610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2114.258610][ T73] ___sys_sendmsg+0xee/0x170 [ 2114.258610][ T73] __sys_sendmsg+0xcd/0x170 [ 2114.258610][ T73] do_syscall_64+0xc6/0x1e0 [ 2114.258610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.258610][ T73] [ 2124.510884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2124.511437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.511437][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2124.511437][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2124.511437][ T73] fib6_nh_init+0xa22/0x1580 [ 2124.511437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.511437][ T73] ip6_route_add+0x1c/0x140 [ 2124.511437][ T73] inet6_rtm_newroute+0x104/0x110 [ 2124.511437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.511437][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.511437][ T73] netlink_unicast+0x449/0x710 [ 2124.511437][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.511437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.511437][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.511437][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.511437][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.511437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.511437][ T73] [ 2124.513356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.513356][ T73] dst_init+0x84/0x4a0 [ 2124.513356][ T73] dst_alloc+0x97/0x150 [ 2124.513356][ T73] ip6_dst_alloc+0x23/0x90 [ 2124.513356][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2124.513356][ T73] ip6_pol_route+0x56f/0x840 [ 2124.513356][ T73] fib6_rule_lookup+0x456/0x630 [ 2124.513356][ T73] ip6_route_input+0x59c/0xa50 [ 2124.513356][ T73] ipv6_rcv+0x397/0x810 [ 2124.513356][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2124.513356][ T73] process_backlog+0x101/0x620 [ 2124.513356][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2124.513356][ T73] net_rx_action+0x495/0xbe0 [ 2124.513356][ T73] __do_softirq+0x1b5/0x7f6 [ 2124.513356][ T73] [ 2124.515031][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.515031][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.515031][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.515031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.515031][ T73] ip6_route_add+0x1c/0x140 [ 2124.515031][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2124.515031][ T73] inet6_addr_add+0x4f8/0xa40 [ 2124.515031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.515031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.515031][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.515031][ T73] netlink_unicast+0x449/0x710 [ 2124.515031][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.515031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.515031][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.515031][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.515031][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.515031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.515031][ T73] [ 2124.517053][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.517053][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.517053][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.517053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.517053][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2124.517053][ T73] ipv6_add_addr+0x411/0x2000 [ 2124.517053][ T73] inet6_addr_add+0x30e/0xa40 [ 2124.517053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.517053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.517053][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.517053][ T73] netlink_unicast+0x449/0x710 [ 2124.517053][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.517053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.517053][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.517053][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.517053][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.517053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.517053][ T73] [ 2124.519075][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.519075][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.519075][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.519075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.519075][ T73] ip6_route_add+0x1c/0x140 [ 2124.519075][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.519075][ T73] addrconf_add_dev+0xe2/0x170 [ 2124.519075][ T73] inet6_addr_add+0x12f/0xa40 [ 2124.519075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.519075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.519075][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.519075][ T73] netlink_unicast+0x449/0x710 [ 2124.519075][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.519075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.519075][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.519075][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.519075][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.519075][ T73] [ 2124.521073][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.521073][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2124.521073][ T73] ipv6_find_idev+0x102/0x170 [ 2124.521073][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.521073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.521073][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.521073][ T73] netlink_unicast+0x449/0x710 [ 2124.521073][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.521073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.521073][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.521073][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.521073][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.521073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.521073][ T73] [ 2124.522623][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2124.522623][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2124.522623][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2124.522623][ T73] ipv6_find_idev+0x102/0x170 [ 2124.522623][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.522623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.522623][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.522623][ T73] netlink_unicast+0x449/0x710 [ 2124.522623][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.522623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.522623][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.522623][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.522623][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.522623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.522623][ T73] [ 2124.524380][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2124.524661][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.524661][ T73] dst_init+0x84/0x4a0 [ 2124.524661][ T73] dst_alloc+0x97/0x150 [ 2124.524661][ T73] ip6_dst_alloc+0x23/0x90 [ 2124.524661][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2124.524661][ T73] ip6_pol_route+0x56f/0x840 [ 2124.524661][ T73] fib6_rule_lookup+0x456/0x630 [ 2124.524661][ T73] ip6_route_input+0x59c/0xa50 [ 2124.524661][ T73] ipv6_rcv+0x397/0x810 [ 2124.524661][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2124.524661][ T73] process_backlog+0x101/0x620 [ 2124.524661][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2124.524661][ T73] net_rx_action+0x495/0xbe0 [ 2124.524661][ T73] __do_softirq+0x1b5/0x7f6 [ 2124.524661][ T73] [ 2124.526315][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.526315][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.526315][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.526315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.526315][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2124.526315][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2124.526315][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2124.526315][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2124.526315][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2124.526315][ T73] addrconf_dad_begin+0x310/0x670 [ 2124.526315][ T73] addrconf_dad_work+0x10b/0xab0 [ 2124.526315][ T73] process_one_work+0x84d/0x18a0 [ 2124.526315][ T73] worker_thread+0x587/0xd30 [ 2124.526315][ T73] kthread+0x28a/0x350 [ 2124.526315][ T73] ret_from_fork+0x31/0x70 [ 2124.526315][ T73] ret_from_fork_asm+0x1a/0x30 [ 2124.526315][ T73] [ 2124.528231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.528231][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.528231][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.528231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.528231][ T73] ip6_route_add+0x1c/0x140 [ 2124.528231][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2124.528231][ T73] inet6_addr_add+0x4f8/0xa40 [ 2124.528231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.528231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.528231][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.528231][ T73] netlink_unicast+0x449/0x710 [ 2124.528231][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.528231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.528231][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.528231][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.528231][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.528231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.528231][ T73] [ 2124.530336][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.530336][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.530336][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.530336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.530336][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2124.530336][ T73] ipv6_add_addr+0x411/0x2000 [ 2124.530336][ T73] inet6_addr_add+0x30e/0xa40 [ 2124.530336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.530336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.530336][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.530336][ T73] netlink_unicast+0x449/0x710 [ 2124.530336][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.530336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.530336][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.530336][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.530336][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.530336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.530336][ T73] [ 2124.532357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.532357][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.532357][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.532357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.532357][ T73] ip6_route_add+0x1c/0x140 [ 2124.532357][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.532357][ T73] addrconf_add_dev+0xe2/0x170 [ 2124.532357][ T73] inet6_addr_add+0x12f/0xa40 [ 2124.532357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.532357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.532357][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.532357][ T73] netlink_unicast+0x449/0x710 [ 2124.532357][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.532357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.532357][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.532357][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.532357][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.532357][ T73] [ 2124.534337][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.534337][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2124.534337][ T73] ipv6_find_idev+0x102/0x170 [ 2124.534337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.534337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.534337][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.534337][ T73] netlink_unicast+0x449/0x710 [ 2124.534337][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.534337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.534337][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.534337][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.534337][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.534337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.534337][ T73] [ 2124.535902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2124.535902][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2124.535902][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2124.535902][ T73] ipv6_find_idev+0x102/0x170 [ 2124.535902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.535902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.535902][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.535902][ T73] netlink_unicast+0x449/0x710 [ 2124.535902][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.535902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.535902][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.535902][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.535902][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.535902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.535902][ T73] [ 2124.537742][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2124.538033][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.538033][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2124.538033][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2124.538033][ T73] fib6_nh_init+0xa22/0x1580 [ 2124.538033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.538033][ T73] ip6_route_add+0x1c/0x140 [ 2124.538033][ T73] inet6_rtm_newroute+0x104/0x110 [ 2124.538033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.538033][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.538033][ T73] netlink_unicast+0x449/0x710 [ 2124.538033][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.538033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.538033][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.538033][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.538033][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.538033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.538033][ T73] [ 2124.540164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.540164][ T73] dst_init+0x84/0x4a0 [ 2124.540164][ T73] dst_alloc+0x97/0x150 [ 2124.540164][ T73] ip6_dst_alloc+0x23/0x90 [ 2124.540164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2124.540164][ T73] ip6_pol_route+0x56f/0x840 [ 2124.540164][ T73] fib6_rule_lookup+0x456/0x630 [ 2124.540164][ T73] ip6_route_input+0x59c/0xa50 [ 2124.540164][ T73] ipv6_rcv+0x397/0x810 [ 2124.540164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2124.540164][ T73] process_backlog+0x101/0x620 [ 2124.540164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2124.540164][ T73] net_rx_action+0x495/0xbe0 [ 2124.540164][ T73] __do_softirq+0x1b5/0x7f6 [ 2124.540164][ T73] [ 2124.542001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.542001][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.542001][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.542001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.542001][ T73] ip6_route_add+0x1c/0x140 [ 2124.542001][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2124.542001][ T73] inet6_addr_add+0x4f8/0xa40 [ 2124.542001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.542001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.542001][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.542001][ T73] netlink_unicast+0x449/0x710 [ 2124.542001][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.542001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.542001][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.542001][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.542001][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.542001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.542001][ T73] [ 2124.544316][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.544316][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.544316][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.544316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.544316][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2124.544316][ T73] ipv6_add_addr+0x411/0x2000 [ 2124.544316][ T73] inet6_addr_add+0x30e/0xa40 [ 2124.544316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.544316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.544316][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.544316][ T73] netlink_unicast+0x449/0x710 [ 2124.544316][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.544316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.544316][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.544316][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.544316][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.544316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.544316][ T73] [ 2124.546564][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.546564][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.546564][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.546564][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.546564][ T73] ip6_route_add+0x1c/0x140 [ 2124.546564][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.546564][ T73] addrconf_add_dev+0xe2/0x170 [ 2124.546564][ T73] inet6_addr_add+0x12f/0xa40 [ 2124.546564][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.546564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.546564][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.546564][ T73] netlink_unicast+0x449/0x710 [ 2124.546564][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.546564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.546564][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.546564][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.546564][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.546564][ T73] [ 2124.548763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.548763][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2124.548763][ T73] ipv6_find_idev+0x102/0x170 [ 2124.548763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.548763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.548763][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.548763][ T73] netlink_unicast+0x449/0x710 [ 2124.548763][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.548763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.548763][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.548763][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.548763][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.548763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.548763][ T73] [ 2124.550522][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2124.550522][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2124.550522][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2124.550522][ T73] ipv6_find_idev+0x102/0x170 [ 2124.550522][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.550522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.550522][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.550522][ T73] netlink_unicast+0x449/0x710 [ 2124.550522][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.550522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.550522][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.550522][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.550522][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.550522][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.550522][ T73] [ 2124.552551][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2124.553269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2124.553269][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.553269][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.553269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.553269][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2124.553269][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2124.553269][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2124.553269][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2124.553269][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2124.553269][ T73] addrconf_dad_begin+0x310/0x670 [ 2124.553269][ T73] addrconf_dad_work+0x10b/0xab0 [ 2124.553269][ T73] process_one_work+0x84d/0x18a0 [ 2124.553269][ T73] worker_thread+0x587/0xd30 [ 2124.553269][ T73] kthread+0x28a/0x350 [ 2124.553269][ T73] ret_from_fork+0x31/0x70 [ 2124.553269][ T73] ret_from_fork_asm+0x1a/0x30 [ 2124.553269][ T73] [ 2124.555205][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2124.555205][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.555205][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.555205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.555205][ T73] ip6_route_add+0x1c/0x140 [ 2124.555205][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2124.555205][ T73] inet6_addr_add+0x4f8/0xa40 [ 2124.555205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.555205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.555205][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.555205][ T73] netlink_unicast+0x449/0x710 [ 2124.555205][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.555205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.555205][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.555205][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.555205][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.555205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.555205][ T73] [ 2124.557920][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2124.557920][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.557920][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.557920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.557920][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2124.557920][ T73] ipv6_add_addr+0x411/0x2000 [ 2124.557920][ T73] inet6_addr_add+0x30e/0xa40 [ 2124.557920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.557920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.557920][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.557920][ T73] netlink_unicast+0x449/0x710 [ 2124.557920][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.557920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.557920][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.557920][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.557920][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.557920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.557920][ T73] [ 2124.560176][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2124.560176][ T73] netdev_get_by_index+0x5e/0x80 [ 2124.560176][ T73] fib6_nh_init+0x3d8/0x1580 [ 2124.560176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2124.560176][ T73] ip6_route_add+0x1c/0x140 [ 2124.560176][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.560176][ T73] addrconf_add_dev+0xe2/0x170 [ 2124.560176][ T73] inet6_addr_add+0x12f/0xa40 [ 2124.560176][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.560176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.560176][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.560176][ T73] netlink_unicast+0x449/0x710 [ 2124.560176][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.560176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.560176][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.560176][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.560176][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.560176][ T73] [ 2124.562351][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2124.562351][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2124.562351][ T73] ipv6_find_idev+0x102/0x170 [ 2124.562351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.562351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.562351][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.562351][ T73] netlink_unicast+0x449/0x710 [ 2124.562351][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.562351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.562351][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.562351][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.562351][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.562351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.562351][ T73] [ 2124.564086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2124.564086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2124.564086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2124.564086][ T73] ipv6_find_idev+0x102/0x170 [ 2124.564086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.564086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.564086][ T73] netlink_rcv_skb+0x130/0x360 [ 2124.564086][ T73] netlink_unicast+0x449/0x710 [ 2124.564086][ T73] netlink_sendmsg+0x723/0xbe0 [ 2124.564086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2124.564086][ T73] ___sys_sendmsg+0xee/0x170 [ 2124.564086][ T73] __sys_sendmsg+0xcd/0x170 [ 2124.564086][ T73] do_syscall_64+0xc6/0x1e0 [ 2124.564086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.564086][ T73] [ 2134.806913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2134.807381][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.807381][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2134.807381][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2134.807381][ T73] fib6_nh_init+0xa22/0x1580 [ 2134.807381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.807381][ T73] ip6_route_add+0x1c/0x140 [ 2134.807381][ T73] inet6_rtm_newroute+0x104/0x110 [ 2134.807381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.807381][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.807381][ T73] netlink_unicast+0x449/0x710 [ 2134.807381][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.807381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.807381][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.807381][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.807381][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.807381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.807381][ T73] [ 2134.809480][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.809480][ T73] dst_init+0x84/0x4a0 [ 2134.809480][ T73] dst_alloc+0x97/0x150 [ 2134.809480][ T73] ip6_dst_alloc+0x23/0x90 [ 2134.809480][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2134.809480][ T73] ip6_pol_route+0x56f/0x840 [ 2134.809480][ T73] fib6_rule_lookup+0x456/0x630 [ 2134.809480][ T73] ip6_route_input+0x59c/0xa50 [ 2134.809480][ T73] ipv6_rcv+0x397/0x810 [ 2134.809480][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2134.809480][ T73] process_backlog+0x101/0x620 [ 2134.809480][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2134.809480][ T73] net_rx_action+0x495/0xbe0 [ 2134.809480][ T73] __do_softirq+0x1b5/0x7f6 [ 2134.809480][ T73] [ 2134.811301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.811301][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.811301][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.811301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.811301][ T73] ip6_route_add+0x1c/0x140 [ 2134.811301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2134.811301][ T73] inet6_addr_add+0x4f8/0xa40 [ 2134.811301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.811301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.811301][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.811301][ T73] netlink_unicast+0x449/0x710 [ 2134.811301][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.811301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.811301][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.811301][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.811301][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.811301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.811301][ T73] [ 2134.813472][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.813472][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.813472][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.813472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.813472][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2134.813472][ T73] ipv6_add_addr+0x411/0x2000 [ 2134.813472][ T73] inet6_addr_add+0x30e/0xa40 [ 2134.813472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.813472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.813472][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.813472][ T73] netlink_unicast+0x449/0x710 [ 2134.813472][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.813472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.813472][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.813472][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.813472][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.813472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.813472][ T73] [ 2134.815640][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.815640][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.815640][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.815640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.815640][ T73] ip6_route_add+0x1c/0x140 [ 2134.815640][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.815640][ T73] addrconf_add_dev+0xe2/0x170 [ 2134.815640][ T73] inet6_addr_add+0x12f/0xa40 [ 2134.815640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.815640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.815640][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.815640][ T73] netlink_unicast+0x449/0x710 [ 2134.815640][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.815640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.815640][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.815640][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.815640][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.815640][ T73] [ 2134.818156][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.818156][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2134.818156][ T73] ipv6_find_idev+0x102/0x170 [ 2134.818156][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.818156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.818156][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.818156][ T73] netlink_unicast+0x449/0x710 [ 2134.818156][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.818156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.818156][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.818156][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.818156][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.818156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.818156][ T73] [ 2134.819828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2134.819828][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2134.819828][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2134.819828][ T73] ipv6_find_idev+0x102/0x170 [ 2134.819828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.819828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.819828][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.819828][ T73] netlink_unicast+0x449/0x710 [ 2134.819828][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.819828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.819828][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.819828][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.819828][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.819828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.819828][ T73] [ 2134.821712][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2134.822025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.822025][ T73] dst_init+0x84/0x4a0 [ 2134.822025][ T73] dst_alloc+0x97/0x150 [ 2134.822025][ T73] ip6_dst_alloc+0x23/0x90 [ 2134.822025][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2134.822025][ T73] ip6_pol_route+0x56f/0x840 [ 2134.822025][ T73] fib6_rule_lookup+0x456/0x630 [ 2134.822025][ T73] ip6_route_input+0x59c/0xa50 [ 2134.822025][ T73] ipv6_rcv+0x397/0x810 [ 2134.822025][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2134.822025][ T73] process_backlog+0x101/0x620 [ 2134.822025][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2134.822025][ T73] net_rx_action+0x495/0xbe0 [ 2134.822025][ T73] __do_softirq+0x1b5/0x7f6 [ 2134.822025][ T73] [ 2134.823810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.823810][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.823810][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.823810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.823810][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2134.823810][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2134.823810][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2134.823810][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2134.823810][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2134.823810][ T73] addrconf_dad_begin+0x310/0x670 [ 2134.823810][ T73] addrconf_dad_work+0x10b/0xab0 [ 2134.823810][ T73] process_one_work+0x84d/0x18a0 [ 2134.823810][ T73] worker_thread+0x587/0xd30 [ 2134.823810][ T73] kthread+0x28a/0x350 [ 2134.823810][ T73] ret_from_fork+0x31/0x70 [ 2134.823810][ T73] ret_from_fork_asm+0x1a/0x30 [ 2134.823810][ T73] [ 2134.825893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.825893][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.825893][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.825893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.825893][ T73] ip6_route_add+0x1c/0x140 [ 2134.825893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2134.825893][ T73] inet6_addr_add+0x4f8/0xa40 [ 2134.825893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.825893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.825893][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.825893][ T73] netlink_unicast+0x449/0x710 [ 2134.825893][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.825893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.825893][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.825893][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.825893][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.825893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.825893][ T73] [ 2134.828076][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.828076][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.828076][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.828076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.828076][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2134.828076][ T73] ipv6_add_addr+0x411/0x2000 [ 2134.828076][ T73] inet6_addr_add+0x30e/0xa40 [ 2134.828076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.828076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.828076][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.828076][ T73] netlink_unicast+0x449/0x710 [ 2134.828076][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.828076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.828076][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.828076][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.828076][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.828076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.828076][ T73] [ 2134.830244][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.830244][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.830244][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.830244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.830244][ T73] ip6_route_add+0x1c/0x140 [ 2134.830244][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.830244][ T73] addrconf_add_dev+0xe2/0x170 [ 2134.830244][ T73] inet6_addr_add+0x12f/0xa40 [ 2134.830244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.830244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.830244][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.830244][ T73] netlink_unicast+0x449/0x710 [ 2134.830244][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.830244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.830244][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.830244][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.830244][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.830244][ T73] [ 2134.832382][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.832382][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2134.832382][ T73] ipv6_find_idev+0x102/0x170 [ 2134.832382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.832382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.832382][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.832382][ T73] netlink_unicast+0x449/0x710 [ 2134.832382][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.832382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.832382][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.832382][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.832382][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.832382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.832382][ T73] [ 2134.834042][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2134.834042][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2134.834042][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2134.834042][ T73] ipv6_find_idev+0x102/0x170 [ 2134.834042][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.834042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.834042][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.834042][ T73] netlink_unicast+0x449/0x710 [ 2134.834042][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.834042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.834042][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.834042][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.834042][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.834042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.834042][ T73] [ 2134.835957][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2134.836239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.836239][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2134.836239][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2134.836239][ T73] fib6_nh_init+0xa22/0x1580 [ 2134.836239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.836239][ T73] ip6_route_add+0x1c/0x140 [ 2134.836239][ T73] inet6_rtm_newroute+0x104/0x110 [ 2134.836239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.836239][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.836239][ T73] netlink_unicast+0x449/0x710 [ 2134.836239][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.836239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.836239][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.836239][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.836239][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.836239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.836239][ T73] [ 2134.838586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.838586][ T73] dst_init+0x84/0x4a0 [ 2134.838586][ T73] dst_alloc+0x97/0x150 [ 2134.838586][ T73] ip6_dst_alloc+0x23/0x90 [ 2134.838586][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2134.838586][ T73] ip6_pol_route+0x56f/0x840 [ 2134.838586][ T73] fib6_rule_lookup+0x456/0x630 [ 2134.838586][ T73] ip6_route_input+0x59c/0xa50 [ 2134.838586][ T73] ipv6_rcv+0x397/0x810 [ 2134.838586][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2134.838586][ T73] process_backlog+0x101/0x620 [ 2134.838586][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2134.838586][ T73] net_rx_action+0x495/0xbe0 [ 2134.838586][ T73] __do_softirq+0x1b5/0x7f6 [ 2134.838586][ T73] [ 2134.840502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.840502][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.840502][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.840502][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.840502][ T73] ip6_route_add+0x1c/0x140 [ 2134.840502][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2134.840502][ T73] inet6_addr_add+0x4f8/0xa40 [ 2134.840502][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.840502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.840502][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.840502][ T73] netlink_unicast+0x449/0x710 [ 2134.840502][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.840502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.840502][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.840502][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.840502][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.840502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.840502][ T73] [ 2134.842912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.842912][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.842912][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.842912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.842912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2134.842912][ T73] ipv6_add_addr+0x411/0x2000 [ 2134.842912][ T73] inet6_addr_add+0x30e/0xa40 [ 2134.842912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.842912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.842912][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.842912][ T73] netlink_unicast+0x449/0x710 [ 2134.842912][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.842912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.842912][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.842912][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.842912][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.842912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.842912][ T73] [ 2134.845329][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.845329][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.845329][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.845329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.845329][ T73] ip6_route_add+0x1c/0x140 [ 2134.845329][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.845329][ T73] addrconf_add_dev+0xe2/0x170 [ 2134.845329][ T73] inet6_addr_add+0x12f/0xa40 [ 2134.845329][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.845329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.845329][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.845329][ T73] netlink_unicast+0x449/0x710 [ 2134.845329][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.845329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.845329][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.845329][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.845329][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.845329][ T73] [ 2134.847729][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.847729][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2134.847729][ T73] ipv6_find_idev+0x102/0x170 [ 2134.847729][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.847729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.847729][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.847729][ T73] netlink_unicast+0x449/0x710 [ 2134.847729][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.847729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.847729][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.847729][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.847729][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.847729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.847729][ T73] [ 2134.849592][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2134.849592][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2134.849592][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2134.849592][ T73] ipv6_find_idev+0x102/0x170 [ 2134.849592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.849592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.849592][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.849592][ T73] netlink_unicast+0x449/0x710 [ 2134.849592][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.849592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.849592][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.849592][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.849592][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.849592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.849592][ T73] [ 2134.852117][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2134.852860][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2134.852860][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.852860][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.852860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.852860][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2134.852860][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2134.852860][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2134.852860][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2134.852860][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2134.852860][ T73] addrconf_dad_begin+0x310/0x670 [ 2134.852860][ T73] addrconf_dad_work+0x10b/0xab0 [ 2134.852860][ T73] process_one_work+0x84d/0x18a0 [ 2134.852860][ T73] worker_thread+0x587/0xd30 [ 2134.852860][ T73] kthread+0x28a/0x350 [ 2134.852860][ T73] ret_from_fork+0x31/0x70 [ 2134.852860][ T73] ret_from_fork_asm+0x1a/0x30 [ 2134.852860][ T73] [ 2134.854955][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2134.854955][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.854955][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.854955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.854955][ T73] ip6_route_add+0x1c/0x140 [ 2134.854955][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2134.854955][ T73] inet6_addr_add+0x4f8/0xa40 [ 2134.854955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.854955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.854955][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.854955][ T73] netlink_unicast+0x449/0x710 [ 2134.854955][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.854955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.854955][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.854955][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.854955][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.854955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.854955][ T73] [ 2134.857146][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2134.857146][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.857146][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.857146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.857146][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2134.857146][ T73] ipv6_add_addr+0x411/0x2000 [ 2134.857146][ T73] inet6_addr_add+0x30e/0xa40 [ 2134.857146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.857146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.857146][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.857146][ T73] netlink_unicast+0x449/0x710 [ 2134.857146][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.857146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.857146][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.857146][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.857146][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.857146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.857146][ T73] [ 2134.859344][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2134.859344][ T73] netdev_get_by_index+0x5e/0x80 [ 2134.859344][ T73] fib6_nh_init+0x3d8/0x1580 [ 2134.859344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2134.859344][ T73] ip6_route_add+0x1c/0x140 [ 2134.859344][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.859344][ T73] addrconf_add_dev+0xe2/0x170 [ 2134.859344][ T73] inet6_addr_add+0x12f/0xa40 [ 2134.859344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.859344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.859344][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.859344][ T73] netlink_unicast+0x449/0x710 [ 2134.859344][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.859344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.859344][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.859344][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.859344][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.859344][ T73] [ 2134.861689][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2134.861689][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2134.861689][ T73] ipv6_find_idev+0x102/0x170 [ 2134.861689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.861689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.861689][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.861689][ T73] netlink_unicast+0x449/0x710 [ 2134.861689][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.861689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.861689][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.861689][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.861689][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.861689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.861689][ T73] [ 2134.863552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2134.863552][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2134.863552][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2134.863552][ T73] ipv6_find_idev+0x102/0x170 [ 2134.863552][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.863552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.863552][ T73] netlink_rcv_skb+0x130/0x360 [ 2134.863552][ T73] netlink_unicast+0x449/0x710 [ 2134.863552][ T73] netlink_sendmsg+0x723/0xbe0 [ 2134.863552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2134.863552][ T73] ___sys_sendmsg+0xee/0x170 [ 2134.863552][ T73] __sys_sendmsg+0xcd/0x170 [ 2134.863552][ T73] do_syscall_64+0xc6/0x1e0 [ 2134.863552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.863552][ T73] [ 2145.102903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2145.103326][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.103326][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2145.103326][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2145.103326][ T73] fib6_nh_init+0xa22/0x1580 [ 2145.103326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.103326][ T73] ip6_route_add+0x1c/0x140 [ 2145.103326][ T73] inet6_rtm_newroute+0x104/0x110 [ 2145.103326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.103326][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.103326][ T73] netlink_unicast+0x449/0x710 [ 2145.103326][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.103326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.103326][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.103326][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.103326][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.103326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.103326][ T73] [ 2145.105213][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.105213][ T73] dst_init+0x84/0x4a0 [ 2145.105213][ T73] dst_alloc+0x97/0x150 [ 2145.105213][ T73] ip6_dst_alloc+0x23/0x90 [ 2145.105213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.105213][ T73] ip6_pol_route+0x56f/0x840 [ 2145.105213][ T73] fib6_rule_lookup+0x456/0x630 [ 2145.105213][ T73] ip6_route_input+0x59c/0xa50 [ 2145.105213][ T73] ipv6_rcv+0x397/0x810 [ 2145.105213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.105213][ T73] process_backlog+0x101/0x620 [ 2145.105213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2145.105213][ T73] net_rx_action+0x495/0xbe0 [ 2145.105213][ T73] __do_softirq+0x1b5/0x7f6 [ 2145.105213][ T73] [ 2145.106838][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.106838][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.106838][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.106838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.106838][ T73] ip6_route_add+0x1c/0x140 [ 2145.106838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2145.106838][ T73] inet6_addr_add+0x4f8/0xa40 [ 2145.106838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.106838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.106838][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.106838][ T73] netlink_unicast+0x449/0x710 [ 2145.106838][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.106838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.106838][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.106838][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.106838][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.106838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.106838][ T73] [ 2145.108822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.108822][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.108822][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.108822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.108822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2145.108822][ T73] ipv6_add_addr+0x411/0x2000 [ 2145.108822][ T73] inet6_addr_add+0x30e/0xa40 [ 2145.108822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.108822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.108822][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.108822][ T73] netlink_unicast+0x449/0x710 [ 2145.108822][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.108822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.108822][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.108822][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.108822][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.108822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.108822][ T73] [ 2145.110816][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.110816][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.110816][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.110816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.110816][ T73] ip6_route_add+0x1c/0x140 [ 2145.110816][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.110816][ T73] addrconf_add_dev+0xe2/0x170 [ 2145.110816][ T73] inet6_addr_add+0x12f/0xa40 [ 2145.110816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.110816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.110816][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.110816][ T73] netlink_unicast+0x449/0x710 [ 2145.110816][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.110816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.110816][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.110816][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.110816][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.110816][ T73] [ 2145.112767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.112767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2145.112767][ T73] ipv6_find_idev+0x102/0x170 [ 2145.112767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.112767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.112767][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.112767][ T73] netlink_unicast+0x449/0x710 [ 2145.112767][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.112767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.112767][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.112767][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.112767][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.112767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.112767][ T73] [ 2145.114291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2145.114291][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2145.114291][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2145.114291][ T73] ipv6_find_idev+0x102/0x170 [ 2145.114291][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.114291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.114291][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.114291][ T73] netlink_unicast+0x449/0x710 [ 2145.114291][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.114291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.114291][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.114291][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.114291][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.114291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.114291][ T73] [ 2145.115972][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2145.116248][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.116248][ T73] dst_init+0x84/0x4a0 [ 2145.116248][ T73] dst_alloc+0x97/0x150 [ 2145.116248][ T73] ip6_dst_alloc+0x23/0x90 [ 2145.116248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.116248][ T73] ip6_pol_route+0x56f/0x840 [ 2145.116248][ T73] fib6_rule_lookup+0x456/0x630 [ 2145.116248][ T73] ip6_route_input+0x59c/0xa50 [ 2145.116248][ T73] ipv6_rcv+0x397/0x810 [ 2145.116248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.116248][ T73] process_backlog+0x101/0x620 [ 2145.116248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2145.116248][ T73] net_rx_action+0x495/0xbe0 [ 2145.116248][ T73] __do_softirq+0x1b5/0x7f6 [ 2145.116248][ T73] [ 2145.117876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.117876][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.117876][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.117876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.117876][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2145.117876][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2145.117876][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2145.117876][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2145.117876][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2145.117876][ T73] addrconf_dad_begin+0x310/0x670 [ 2145.117876][ T73] addrconf_dad_work+0x10b/0xab0 [ 2145.117876][ T73] process_one_work+0x84d/0x18a0 [ 2145.117876][ T73] worker_thread+0x587/0xd30 [ 2145.117876][ T73] kthread+0x28a/0x350 [ 2145.117876][ T73] ret_from_fork+0x31/0x70 [ 2145.117876][ T73] ret_from_fork_asm+0x1a/0x30 [ 2145.117876][ T73] [ 2145.119775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.119775][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.119775][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.119775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.119775][ T73] ip6_route_add+0x1c/0x140 [ 2145.119775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2145.119775][ T73] inet6_addr_add+0x4f8/0xa40 [ 2145.119775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.119775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.119775][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.119775][ T73] netlink_unicast+0x449/0x710 [ 2145.119775][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.119775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.119775][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.119775][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.119775][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.119775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.119775][ T73] [ 2145.121759][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.121759][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.121759][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.121759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.121759][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2145.121759][ T73] ipv6_add_addr+0x411/0x2000 [ 2145.121759][ T73] inet6_addr_add+0x30e/0xa40 [ 2145.121759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.121759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.121759][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.121759][ T73] netlink_unicast+0x449/0x710 [ 2145.121759][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.121759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.121759][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.121759][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.121759][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.121759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.121759][ T73] [ 2145.123732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.123732][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.123732][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.123732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.123732][ T73] ip6_route_add+0x1c/0x140 [ 2145.123732][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.123732][ T73] addrconf_add_dev+0xe2/0x170 [ 2145.123732][ T73] inet6_addr_add+0x12f/0xa40 [ 2145.123732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.123732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.123732][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.123732][ T73] netlink_unicast+0x449/0x710 [ 2145.123732][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.123732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.123732][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.123732][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.123732][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.123732][ T73] [ 2145.126065][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.126065][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2145.126065][ T73] ipv6_find_idev+0x102/0x170 [ 2145.126065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.126065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.126065][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.126065][ T73] netlink_unicast+0x449/0x710 [ 2145.126065][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.126065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.126065][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.126065][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.126065][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.126065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.126065][ T73] [ 2145.127590][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2145.127590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2145.127590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2145.127590][ T73] ipv6_find_idev+0x102/0x170 [ 2145.127590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.127590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.127590][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.127590][ T73] netlink_unicast+0x449/0x710 [ 2145.127590][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.127590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.127590][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.127590][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.127590][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.127590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.127590][ T73] [ 2145.129391][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2145.129716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.129716][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2145.129716][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2145.129716][ T73] fib6_nh_init+0xa22/0x1580 [ 2145.129716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.129716][ T73] ip6_route_add+0x1c/0x140 [ 2145.129716][ T73] inet6_rtm_newroute+0x104/0x110 [ 2145.129716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.129716][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.129716][ T73] netlink_unicast+0x449/0x710 [ 2145.129716][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.129716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.129716][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.129716][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.129716][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.129716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.129716][ T73] [ 2145.131764][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.131764][ T73] dst_init+0x84/0x4a0 [ 2145.131764][ T73] dst_alloc+0x97/0x150 [ 2145.131764][ T73] ip6_dst_alloc+0x23/0x90 [ 2145.131764][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.131764][ T73] ip6_pol_route+0x56f/0x840 [ 2145.131764][ T73] fib6_rule_lookup+0x456/0x630 [ 2145.131764][ T73] ip6_route_input+0x59c/0xa50 [ 2145.131764][ T73] ipv6_rcv+0x397/0x810 [ 2145.131764][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.131764][ T73] process_backlog+0x101/0x620 [ 2145.131764][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2145.131764][ T73] net_rx_action+0x495/0xbe0 [ 2145.131764][ T73] __do_softirq+0x1b5/0x7f6 [ 2145.131764][ T73] [ 2145.133564][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.133564][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.133564][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.133564][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.133564][ T73] ip6_route_add+0x1c/0x140 [ 2145.133564][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2145.133564][ T73] inet6_addr_add+0x4f8/0xa40 [ 2145.133564][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.133564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.133564][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.133564][ T73] netlink_unicast+0x449/0x710 [ 2145.133564][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.133564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.133564][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.133564][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.133564][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.133564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.133564][ T73] [ 2145.135795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.135795][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.135795][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.135795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.135795][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2145.135795][ T73] ipv6_add_addr+0x411/0x2000 [ 2145.135795][ T73] inet6_addr_add+0x30e/0xa40 [ 2145.135795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.135795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.135795][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.135795][ T73] netlink_unicast+0x449/0x710 [ 2145.135795][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.135795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.135795][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.135795][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.135795][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.135795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.135795][ T73] [ 2145.138075][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.138075][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.138075][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.138075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.138075][ T73] ip6_route_add+0x1c/0x140 [ 2145.138075][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.138075][ T73] addrconf_add_dev+0xe2/0x170 [ 2145.138075][ T73] inet6_addr_add+0x12f/0xa40 [ 2145.138075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.138075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.138075][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.138075][ T73] netlink_unicast+0x449/0x710 [ 2145.138075][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.138075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.138075][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.138075][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.138075][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.138075][ T73] [ 2145.140261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.140261][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2145.140261][ T73] ipv6_find_idev+0x102/0x170 [ 2145.140261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.140261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.140261][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.140261][ T73] netlink_unicast+0x449/0x710 [ 2145.140261][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.140261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.140261][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.140261][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.140261][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.140261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.140261][ T73] [ 2145.141983][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2145.141983][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2145.141983][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2145.141983][ T73] ipv6_find_idev+0x102/0x170 [ 2145.141983][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.141983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.141983][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.141983][ T73] netlink_unicast+0x449/0x710 [ 2145.141983][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.141983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.141983][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.141983][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.141983][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.141983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.141983][ T73] [ 2145.143831][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2145.144102][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2145.144102][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.144102][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.144102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.144102][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2145.144102][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2145.144102][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2145.144102][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2145.144102][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2145.144102][ T73] addrconf_dad_begin+0x310/0x670 [ 2145.144102][ T73] addrconf_dad_work+0x10b/0xab0 [ 2145.144102][ T73] process_one_work+0x84d/0x18a0 [ 2145.144102][ T73] worker_thread+0x587/0xd30 [ 2145.144102][ T73] kthread+0x28a/0x350 [ 2145.144102][ T73] ret_from_fork+0x31/0x70 [ 2145.144102][ T73] ret_from_fork_asm+0x1a/0x30 [ 2145.144102][ T73] [ 2145.146235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2145.146235][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.146235][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.146235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.146235][ T73] ip6_route_add+0x1c/0x140 [ 2145.146235][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2145.146235][ T73] inet6_addr_add+0x4f8/0xa40 [ 2145.146235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.146235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.146235][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.146235][ T73] netlink_unicast+0x449/0x710 [ 2145.146235][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.146235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.146235][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.146235][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.146235][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.146235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.146235][ T73] [ 2145.148513][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2145.148513][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.148513][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.148513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.148513][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2145.148513][ T73] ipv6_add_addr+0x411/0x2000 [ 2145.148513][ T73] inet6_addr_add+0x30e/0xa40 [ 2145.148513][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.148513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.148513][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.148513][ T73] netlink_unicast+0x449/0x710 [ 2145.148513][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.148513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.148513][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.148513][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.148513][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.148513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.148513][ T73] [ 2145.151426][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2145.151426][ T73] netdev_get_by_index+0x5e/0x80 [ 2145.151426][ T73] fib6_nh_init+0x3d8/0x1580 [ 2145.151426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2145.151426][ T73] ip6_route_add+0x1c/0x140 [ 2145.151426][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.151426][ T73] addrconf_add_dev+0xe2/0x170 [ 2145.151426][ T73] inet6_addr_add+0x12f/0xa40 [ 2145.151426][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.151426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.151426][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.151426][ T73] netlink_unicast+0x449/0x710 [ 2145.151426][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.151426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.151426][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.151426][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.151426][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.151426][ T73] [ 2145.153936][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2145.153936][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2145.153936][ T73] ipv6_find_idev+0x102/0x170 [ 2145.153936][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.153936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.153936][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.153936][ T73] netlink_unicast+0x449/0x710 [ 2145.153936][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.153936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.153936][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.153936][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.153936][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.153936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.153936][ T73] [ 2145.155644][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2145.155644][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2145.155644][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2145.155644][ T73] ipv6_find_idev+0x102/0x170 [ 2145.155644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.155644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.155644][ T73] netlink_rcv_skb+0x130/0x360 [ 2145.155644][ T73] netlink_unicast+0x449/0x710 [ 2145.155644][ T73] netlink_sendmsg+0x723/0xbe0 [ 2145.155644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2145.155644][ T73] ___sys_sendmsg+0xee/0x170 [ 2145.155644][ T73] __sys_sendmsg+0xcd/0x170 [ 2145.155644][ T73] do_syscall_64+0xc6/0x1e0 [ 2145.155644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.155644][ T73] [ 2155.174932][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2155.175370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.175370][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2155.175370][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2155.175370][ T73] fib6_nh_init+0xa22/0x1580 [ 2155.175370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.175370][ T73] ip6_route_add+0x1c/0x140 [ 2155.175370][ T73] inet6_rtm_newroute+0x104/0x110 [ 2155.175370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.175370][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.175370][ T73] netlink_unicast+0x449/0x710 [ 2155.175370][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.175370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.175370][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.175370][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.175370][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.175370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.175370][ T73] [ 2155.177327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.177327][ T73] dst_init+0x84/0x4a0 [ 2155.177327][ T73] dst_alloc+0x97/0x150 [ 2155.177327][ T73] ip6_dst_alloc+0x23/0x90 [ 2155.177327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.177327][ T73] ip6_pol_route+0x56f/0x840 [ 2155.177327][ T73] fib6_rule_lookup+0x456/0x630 [ 2155.177327][ T73] ip6_route_input+0x59c/0xa50 [ 2155.177327][ T73] ipv6_rcv+0x397/0x810 [ 2155.177327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2155.177327][ T73] process_backlog+0x101/0x620 [ 2155.177327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2155.177327][ T73] net_rx_action+0x495/0xbe0 [ 2155.177327][ T73] __do_softirq+0x1b5/0x7f6 [ 2155.177327][ T73] [ 2155.179006][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.179006][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.179006][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.179006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.179006][ T73] ip6_route_add+0x1c/0x140 [ 2155.179006][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2155.179006][ T73] inet6_addr_add+0x4f8/0xa40 [ 2155.179006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.179006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.179006][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.179006][ T73] netlink_unicast+0x449/0x710 [ 2155.179006][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.179006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.179006][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.179006][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.179006][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.179006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.179006][ T73] [ 2155.181044][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.181044][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.181044][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.181044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.181044][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2155.181044][ T73] ipv6_add_addr+0x411/0x2000 [ 2155.181044][ T73] inet6_addr_add+0x30e/0xa40 [ 2155.181044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.181044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.181044][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.181044][ T73] netlink_unicast+0x449/0x710 [ 2155.181044][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.181044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.181044][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.181044][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.181044][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.181044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.181044][ T73] [ 2155.183093][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.183093][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.183093][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.183093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.183093][ T73] ip6_route_add+0x1c/0x140 [ 2155.183093][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.183093][ T73] addrconf_add_dev+0xe2/0x170 [ 2155.183093][ T73] inet6_addr_add+0x12f/0xa40 [ 2155.183093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.183093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.183093][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.183093][ T73] netlink_unicast+0x449/0x710 [ 2155.183093][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.183093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.183093][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.183093][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.183093][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.183093][ T73] [ 2155.185452][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.185452][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2155.185452][ T73] ipv6_find_idev+0x102/0x170 [ 2155.185452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.185452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.185452][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.185452][ T73] netlink_unicast+0x449/0x710 [ 2155.185452][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.185452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.185452][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.185452][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.185452][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.185452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.185452][ T73] [ 2155.187374][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2155.187374][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2155.187374][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2155.187374][ T73] ipv6_find_idev+0x102/0x170 [ 2155.187374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.187374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.187374][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.187374][ T73] netlink_unicast+0x449/0x710 [ 2155.187374][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.187374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.187374][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.187374][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.187374][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.187374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.187374][ T73] [ 2155.189130][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2155.189417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.189417][ T73] dst_init+0x84/0x4a0 [ 2155.189417][ T73] dst_alloc+0x97/0x150 [ 2155.189417][ T73] ip6_dst_alloc+0x23/0x90 [ 2155.189417][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.189417][ T73] ip6_pol_route+0x56f/0x840 [ 2155.189417][ T73] fib6_rule_lookup+0x456/0x630 [ 2155.189417][ T73] ip6_route_input+0x59c/0xa50 [ 2155.189417][ T73] ipv6_rcv+0x397/0x810 [ 2155.189417][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2155.189417][ T73] process_backlog+0x101/0x620 [ 2155.189417][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2155.189417][ T73] net_rx_action+0x495/0xbe0 [ 2155.189417][ T73] __do_softirq+0x1b5/0x7f6 [ 2155.189417][ T73] [ 2155.191105][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.191105][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.191105][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.191105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.191105][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2155.191105][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2155.191105][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2155.191105][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2155.191105][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2155.191105][ T73] addrconf_dad_begin+0x310/0x670 [ 2155.191105][ T73] addrconf_dad_work+0x10b/0xab0 [ 2155.191105][ T73] process_one_work+0x84d/0x18a0 [ 2155.191105][ T73] worker_thread+0x587/0xd30 [ 2155.191105][ T73] kthread+0x28a/0x350 [ 2155.191105][ T73] ret_from_fork+0x31/0x70 [ 2155.191105][ T73] ret_from_fork_asm+0x1a/0x30 [ 2155.191105][ T73] [ 2155.193047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.193047][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.193047][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.193047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.193047][ T73] ip6_route_add+0x1c/0x140 [ 2155.193047][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2155.193047][ T73] inet6_addr_add+0x4f8/0xa40 [ 2155.193047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.193047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.193047][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.193047][ T73] netlink_unicast+0x449/0x710 [ 2155.193047][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.193047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.193047][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.193047][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.193047][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.193047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.193047][ T73] [ 2155.195074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.195074][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.195074][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.195074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.195074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2155.195074][ T73] ipv6_add_addr+0x411/0x2000 [ 2155.195074][ T73] inet6_addr_add+0x30e/0xa40 [ 2155.195074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.195074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.195074][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.195074][ T73] netlink_unicast+0x449/0x710 [ 2155.195074][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.195074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.195074][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.195074][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.195074][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.195074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.195074][ T73] [ 2155.197098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.197098][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.197098][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.197098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.197098][ T73] ip6_route_add+0x1c/0x140 [ 2155.197098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.197098][ T73] addrconf_add_dev+0xe2/0x170 [ 2155.197098][ T73] inet6_addr_add+0x12f/0xa40 [ 2155.197098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.197098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.197098][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.197098][ T73] netlink_unicast+0x449/0x710 [ 2155.197098][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.197098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.197098][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.197098][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.197098][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.197098][ T73] [ 2155.199086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.199086][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2155.199086][ T73] ipv6_find_idev+0x102/0x170 [ 2155.199086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.199086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.199086][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.199086][ T73] netlink_unicast+0x449/0x710 [ 2155.199086][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.199086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.199086][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.199086][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.199086][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.199086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.199086][ T73] [ 2155.200655][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2155.200655][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2155.200655][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2155.200655][ T73] ipv6_find_idev+0x102/0x170 [ 2155.200655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.200655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.200655][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.200655][ T73] netlink_unicast+0x449/0x710 [ 2155.200655][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.200655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.200655][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.200655][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.200655][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.200655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.200655][ T73] [ 2155.202572][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2155.202865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.202865][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2155.202865][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2155.202865][ T73] fib6_nh_init+0xa22/0x1580 [ 2155.202865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.202865][ T73] ip6_route_add+0x1c/0x140 [ 2155.202865][ T73] inet6_rtm_newroute+0x104/0x110 [ 2155.202865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.202865][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.202865][ T73] netlink_unicast+0x449/0x710 [ 2155.202865][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.202865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.202865][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.202865][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.202865][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.202865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.202865][ T73] [ 2155.205079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.205079][ T73] dst_init+0x84/0x4a0 [ 2155.205079][ T73] dst_alloc+0x97/0x150 [ 2155.205079][ T73] ip6_dst_alloc+0x23/0x90 [ 2155.205079][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.205079][ T73] ip6_pol_route+0x56f/0x840 [ 2155.205079][ T73] fib6_rule_lookup+0x456/0x630 [ 2155.205079][ T73] ip6_route_input+0x59c/0xa50 [ 2155.205079][ T73] ipv6_rcv+0x397/0x810 [ 2155.205079][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2155.205079][ T73] process_backlog+0x101/0x620 [ 2155.205079][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2155.205079][ T73] net_rx_action+0x495/0xbe0 [ 2155.205079][ T73] __do_softirq+0x1b5/0x7f6 [ 2155.205079][ T73] [ 2155.206917][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.206917][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.206917][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.206917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.206917][ T73] ip6_route_add+0x1c/0x140 [ 2155.206917][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2155.206917][ T73] inet6_addr_add+0x4f8/0xa40 [ 2155.206917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.206917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.206917][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.206917][ T73] netlink_unicast+0x449/0x710 [ 2155.206917][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.206917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.206917][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.206917][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.206917][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.206917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.206917][ T73] [ 2155.209216][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.209216][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.209216][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.209216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.209216][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2155.209216][ T73] ipv6_add_addr+0x411/0x2000 [ 2155.209216][ T73] inet6_addr_add+0x30e/0xa40 [ 2155.209216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.209216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.209216][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.209216][ T73] netlink_unicast+0x449/0x710 [ 2155.209216][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.209216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.209216][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.209216][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.209216][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.209216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.209216][ T73] [ 2155.211642][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.211642][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.211642][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.211642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.211642][ T73] ip6_route_add+0x1c/0x140 [ 2155.211642][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.211642][ T73] addrconf_add_dev+0xe2/0x170 [ 2155.211642][ T73] inet6_addr_add+0x12f/0xa40 [ 2155.211642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.211642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.211642][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.211642][ T73] netlink_unicast+0x449/0x710 [ 2155.211642][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.211642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.211642][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.211642][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.211642][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.211642][ T73] [ 2155.213873][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.213873][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2155.213873][ T73] ipv6_find_idev+0x102/0x170 [ 2155.213873][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.213873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.213873][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.213873][ T73] netlink_unicast+0x449/0x710 [ 2155.213873][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.213873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.213873][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.213873][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.213873][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.213873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.213873][ T73] [ 2155.215615][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2155.215615][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2155.215615][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2155.215615][ T73] ipv6_find_idev+0x102/0x170 [ 2155.215615][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.215615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.215615][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.215615][ T73] netlink_unicast+0x449/0x710 [ 2155.215615][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.215615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.215615][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.215615][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.215615][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.215615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.215615][ T73] [ 2155.217581][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2155.217986][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2155.217986][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.217986][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.217986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.217986][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2155.217986][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2155.217986][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2155.217986][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2155.217986][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2155.217986][ T73] addrconf_dad_begin+0x310/0x670 [ 2155.217986][ T73] addrconf_dad_work+0x10b/0xab0 [ 2155.217986][ T73] process_one_work+0x84d/0x18a0 [ 2155.217986][ T73] worker_thread+0x587/0xd30 [ 2155.217986][ T73] kthread+0x28a/0x350 [ 2155.217986][ T73] ret_from_fork+0x31/0x70 [ 2155.217986][ T73] ret_from_fork_asm+0x1a/0x30 [ 2155.217986][ T73] [ 2155.220103][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2155.220103][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.220103][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.220103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.220103][ T73] ip6_route_add+0x1c/0x140 [ 2155.220103][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2155.220103][ T73] inet6_addr_add+0x4f8/0xa40 [ 2155.220103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.220103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.220103][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.220103][ T73] netlink_unicast+0x449/0x710 [ 2155.220103][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.220103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.220103][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.220103][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.220103][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.220103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.220103][ T73] [ 2155.222373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2155.222373][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.222373][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.222373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.222373][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2155.222373][ T73] ipv6_add_addr+0x411/0x2000 [ 2155.222373][ T73] inet6_addr_add+0x30e/0xa40 [ 2155.222373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.222373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.222373][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.222373][ T73] netlink_unicast+0x449/0x710 [ 2155.222373][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.222373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.222373][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.222373][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.222373][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.222373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.222373][ T73] [ 2155.224736][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2155.224736][ T73] netdev_get_by_index+0x5e/0x80 [ 2155.224736][ T73] fib6_nh_init+0x3d8/0x1580 [ 2155.224736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2155.224736][ T73] ip6_route_add+0x1c/0x140 [ 2155.224736][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.224736][ T73] addrconf_add_dev+0xe2/0x170 [ 2155.224736][ T73] inet6_addr_add+0x12f/0xa40 [ 2155.224736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.224736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.224736][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.224736][ T73] netlink_unicast+0x449/0x710 [ 2155.224736][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.224736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.224736][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.224736][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.224736][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.224736][ T73] [ 2155.227000][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2155.227000][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2155.227000][ T73] ipv6_find_idev+0x102/0x170 [ 2155.227000][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.227000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.227000][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.227000][ T73] netlink_unicast+0x449/0x710 [ 2155.227000][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.227000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.227000][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.227000][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.227000][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.227000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.227000][ T73] [ 2155.228737][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2155.228737][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2155.228737][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2155.228737][ T73] ipv6_find_idev+0x102/0x170 [ 2155.228737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.228737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.228737][ T73] netlink_rcv_skb+0x130/0x360 [ 2155.228737][ T73] netlink_unicast+0x449/0x710 [ 2155.228737][ T73] netlink_sendmsg+0x723/0xbe0 [ 2155.228737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2155.228737][ T73] ___sys_sendmsg+0xee/0x170 [ 2155.228737][ T73] __sys_sendmsg+0xcd/0x170 [ 2155.228737][ T73] do_syscall_64+0xc6/0x1e0 [ 2155.228737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.228737][ T73] [ 2165.238986][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2165.239500][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.239500][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2165.239500][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2165.239500][ T73] fib6_nh_init+0xa22/0x1580 [ 2165.239500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.239500][ T73] ip6_route_add+0x1c/0x140 [ 2165.239500][ T73] inet6_rtm_newroute+0x104/0x110 [ 2165.239500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.239500][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.239500][ T73] netlink_unicast+0x449/0x710 [ 2165.239500][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.239500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.239500][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.239500][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.239500][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.239500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.239500][ T73] [ 2165.241542][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.241542][ T73] dst_init+0x84/0x4a0 [ 2165.241542][ T73] dst_alloc+0x97/0x150 [ 2165.241542][ T73] ip6_dst_alloc+0x23/0x90 [ 2165.241542][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2165.241542][ T73] ip6_pol_route+0x56f/0x840 [ 2165.241542][ T73] fib6_rule_lookup+0x456/0x630 [ 2165.241542][ T73] ip6_route_input+0x59c/0xa50 [ 2165.241542][ T73] ipv6_rcv+0x397/0x810 [ 2165.241542][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2165.241542][ T73] process_backlog+0x101/0x620 [ 2165.241542][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2165.241542][ T73] net_rx_action+0x495/0xbe0 [ 2165.241542][ T73] __do_softirq+0x1b5/0x7f6 [ 2165.241542][ T73] [ 2165.243305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.243305][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.243305][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.243305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.243305][ T73] ip6_route_add+0x1c/0x140 [ 2165.243305][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2165.243305][ T73] inet6_addr_add+0x4f8/0xa40 [ 2165.243305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.243305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.243305][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.243305][ T73] netlink_unicast+0x449/0x710 [ 2165.243305][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.243305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.243305][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.243305][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.243305][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.243305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.243305][ T73] [ 2165.245437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.245437][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.245437][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.245437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.245437][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2165.245437][ T73] ipv6_add_addr+0x411/0x2000 [ 2165.245437][ T73] inet6_addr_add+0x30e/0xa40 [ 2165.245437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.245437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.245437][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.245437][ T73] netlink_unicast+0x449/0x710 [ 2165.245437][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.245437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.245437][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.245437][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.245437][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.245437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.245437][ T73] [ 2165.247536][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.247536][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.247536][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.247536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.247536][ T73] ip6_route_add+0x1c/0x140 [ 2165.247536][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.247536][ T73] addrconf_add_dev+0xe2/0x170 [ 2165.247536][ T73] inet6_addr_add+0x12f/0xa40 [ 2165.247536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.247536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.247536][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.247536][ T73] netlink_unicast+0x449/0x710 [ 2165.247536][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.247536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.247536][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.247536][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.247536][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.247536][ T73] [ 2165.249612][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.249612][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2165.249612][ T73] ipv6_find_idev+0x102/0x170 [ 2165.249612][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.249612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.249612][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.249612][ T73] netlink_unicast+0x449/0x710 [ 2165.249612][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.249612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.249612][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.249612][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.249612][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.249612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.249612][ T73] [ 2165.251243][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2165.251243][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2165.251243][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2165.251243][ T73] ipv6_find_idev+0x102/0x170 [ 2165.251243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.251243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.251243][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.251243][ T73] netlink_unicast+0x449/0x710 [ 2165.251243][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.251243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.251243][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.251243][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.251243][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.251243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.251243][ T73] [ 2165.253047][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2165.253340][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.253340][ T73] dst_init+0x84/0x4a0 [ 2165.253340][ T73] dst_alloc+0x97/0x150 [ 2165.253340][ T73] ip6_dst_alloc+0x23/0x90 [ 2165.253340][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2165.253340][ T73] ip6_pol_route+0x56f/0x840 [ 2165.253340][ T73] fib6_rule_lookup+0x456/0x630 [ 2165.253340][ T73] ip6_route_input+0x59c/0xa50 [ 2165.253340][ T73] ipv6_rcv+0x397/0x810 [ 2165.253340][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2165.253340][ T73] process_backlog+0x101/0x620 [ 2165.253340][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2165.253340][ T73] net_rx_action+0x495/0xbe0 [ 2165.253340][ T73] __do_softirq+0x1b5/0x7f6 [ 2165.253340][ T73] [ 2165.255068][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.255068][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.255068][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.255068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.255068][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2165.255068][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2165.255068][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2165.255068][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2165.255068][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2165.255068][ T73] addrconf_dad_begin+0x310/0x670 [ 2165.255068][ T73] addrconf_dad_work+0x10b/0xab0 [ 2165.255068][ T73] process_one_work+0x84d/0x18a0 [ 2165.255068][ T73] worker_thread+0x587/0xd30 [ 2165.255068][ T73] kthread+0x28a/0x350 [ 2165.255068][ T73] ret_from_fork+0x31/0x70 [ 2165.255068][ T73] ret_from_fork_asm+0x1a/0x30 [ 2165.255068][ T73] [ 2165.257078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.257078][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.257078][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.257078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.257078][ T73] ip6_route_add+0x1c/0x140 [ 2165.257078][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2165.257078][ T73] inet6_addr_add+0x4f8/0xa40 [ 2165.257078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.257078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.257078][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.257078][ T73] netlink_unicast+0x449/0x710 [ 2165.257078][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.257078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.257078][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.257078][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.257078][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.257078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.257078][ T73] [ 2165.259120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.259120][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.259120][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.259120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.259120][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2165.259120][ T73] ipv6_add_addr+0x411/0x2000 [ 2165.259120][ T73] inet6_addr_add+0x30e/0xa40 [ 2165.259120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.259120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.259120][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.259120][ T73] netlink_unicast+0x449/0x710 [ 2165.259120][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.259120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.259120][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.259120][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.259120][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.259120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.259120][ T73] [ 2165.261135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.261135][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.261135][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.261135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.261135][ T73] ip6_route_add+0x1c/0x140 [ 2165.261135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.261135][ T73] addrconf_add_dev+0xe2/0x170 [ 2165.261135][ T73] inet6_addr_add+0x12f/0xa40 [ 2165.261135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.261135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.261135][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.261135][ T73] netlink_unicast+0x449/0x710 [ 2165.261135][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.261135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.261135][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.261135][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.261135][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.261135][ T73] [ 2165.263112][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.263112][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2165.263112][ T73] ipv6_find_idev+0x102/0x170 [ 2165.263112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.263112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.263112][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.263112][ T73] netlink_unicast+0x449/0x710 [ 2165.263112][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.263112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.263112][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.263112][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.263112][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.263112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.263112][ T73] [ 2165.264652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2165.264652][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2165.264652][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2165.264652][ T73] ipv6_find_idev+0x102/0x170 [ 2165.264652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.264652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.264652][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.264652][ T73] netlink_unicast+0x449/0x710 [ 2165.264652][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.264652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.264652][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.264652][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.264652][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.264652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.264652][ T73] [ 2165.266484][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2165.266756][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.266756][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2165.266756][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2165.266756][ T73] fib6_nh_init+0xa22/0x1580 [ 2165.266756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.266756][ T73] ip6_route_add+0x1c/0x140 [ 2165.266756][ T73] inet6_rtm_newroute+0x104/0x110 [ 2165.266756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.266756][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.266756][ T73] netlink_unicast+0x449/0x710 [ 2165.266756][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.266756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.266756][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.266756][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.266756][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.266756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.266756][ T73] [ 2165.268950][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.268950][ T73] dst_init+0x84/0x4a0 [ 2165.268950][ T73] dst_alloc+0x97/0x150 [ 2165.268950][ T73] ip6_dst_alloc+0x23/0x90 [ 2165.268950][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2165.268950][ T73] ip6_pol_route+0x56f/0x840 [ 2165.268950][ T73] fib6_rule_lookup+0x456/0x630 [ 2165.268950][ T73] ip6_route_input+0x59c/0xa50 [ 2165.268950][ T73] ipv6_rcv+0x397/0x810 [ 2165.268950][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2165.268950][ T73] process_backlog+0x101/0x620 [ 2165.268950][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2165.268950][ T73] net_rx_action+0x495/0xbe0 [ 2165.268950][ T73] __do_softirq+0x1b5/0x7f6 [ 2165.268950][ T73] [ 2165.270807][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.270807][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.270807][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.270807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.270807][ T73] ip6_route_add+0x1c/0x140 [ 2165.270807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2165.270807][ T73] inet6_addr_add+0x4f8/0xa40 [ 2165.270807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.270807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.270807][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.270807][ T73] netlink_unicast+0x449/0x710 [ 2165.270807][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.270807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.270807][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.270807][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.270807][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.270807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.270807][ T73] [ 2165.273060][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.273060][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.273060][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.273060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.273060][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2165.273060][ T73] ipv6_add_addr+0x411/0x2000 [ 2165.273060][ T73] inet6_addr_add+0x30e/0xa40 [ 2165.273060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.273060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.273060][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.273060][ T73] netlink_unicast+0x449/0x710 [ 2165.273060][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.273060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.273060][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.273060][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.273060][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.273060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.273060][ T73] [ 2165.275314][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.275314][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.275314][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.275314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.275314][ T73] ip6_route_add+0x1c/0x140 [ 2165.275314][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.275314][ T73] addrconf_add_dev+0xe2/0x170 [ 2165.275314][ T73] inet6_addr_add+0x12f/0xa40 [ 2165.275314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.275314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.275314][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.275314][ T73] netlink_unicast+0x449/0x710 [ 2165.275314][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.275314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.275314][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.275314][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.275314][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.275314][ T73] [ 2165.277529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.277529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2165.277529][ T73] ipv6_find_idev+0x102/0x170 [ 2165.277529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.277529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.277529][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.277529][ T73] netlink_unicast+0x449/0x710 [ 2165.277529][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.277529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.277529][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.277529][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.277529][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.277529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.277529][ T73] [ 2165.279253][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2165.279253][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2165.279253][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2165.279253][ T73] ipv6_find_idev+0x102/0x170 [ 2165.279253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.279253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.279253][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.279253][ T73] netlink_unicast+0x449/0x710 [ 2165.279253][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.279253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.279253][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.279253][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.279253][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.279253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.279253][ T73] [ 2165.281206][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2165.281479][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2165.281479][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.281479][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.281479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.281479][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2165.281479][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2165.281479][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2165.281479][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2165.281479][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2165.281479][ T73] addrconf_dad_begin+0x310/0x670 [ 2165.281479][ T73] addrconf_dad_work+0x10b/0xab0 [ 2165.281479][ T73] process_one_work+0x84d/0x18a0 [ 2165.281479][ T73] worker_thread+0x587/0xd30 [ 2165.281479][ T73] kthread+0x28a/0x350 [ 2165.281479][ T73] ret_from_fork+0x31/0x70 [ 2165.281479][ T73] ret_from_fork_asm+0x1a/0x30 [ 2165.281479][ T73] [ 2165.283652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2165.283652][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.283652][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.283652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.283652][ T73] ip6_route_add+0x1c/0x140 [ 2165.283652][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2165.283652][ T73] inet6_addr_add+0x4f8/0xa40 [ 2165.283652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.283652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.283652][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.283652][ T73] netlink_unicast+0x449/0x710 [ 2165.283652][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.283652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.283652][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.283652][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.283652][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.283652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.283652][ T73] [ 2165.285961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2165.285961][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.285961][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.285961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.285961][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2165.285961][ T73] ipv6_add_addr+0x411/0x2000 [ 2165.285961][ T73] inet6_addr_add+0x30e/0xa40 [ 2165.285961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.285961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.285961][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.285961][ T73] netlink_unicast+0x449/0x710 [ 2165.285961][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.285961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.285961][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.285961][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.285961][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.285961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.285961][ T73] [ 2165.288307][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2165.288307][ T73] netdev_get_by_index+0x5e/0x80 [ 2165.288307][ T73] fib6_nh_init+0x3d8/0x1580 [ 2165.288307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2165.288307][ T73] ip6_route_add+0x1c/0x140 [ 2165.288307][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.288307][ T73] addrconf_add_dev+0xe2/0x170 [ 2165.288307][ T73] inet6_addr_add+0x12f/0xa40 [ 2165.288307][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.288307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.288307][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.288307][ T73] netlink_unicast+0x449/0x710 [ 2165.288307][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.288307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.288307][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.288307][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.288307][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.288307][ T73] [ 2165.290624][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2165.290624][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2165.290624][ T73] ipv6_find_idev+0x102/0x170 [ 2165.290624][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.290624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.290624][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.290624][ T73] netlink_unicast+0x449/0x710 [ 2165.290624][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.290624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.290624][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.290624][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.290624][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.290624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.290624][ T73] [ 2165.292449][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2165.292449][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2165.292449][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2165.292449][ T73] ipv6_find_idev+0x102/0x170 [ 2165.292449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.292449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.292449][ T73] netlink_rcv_skb+0x130/0x360 [ 2165.292449][ T73] netlink_unicast+0x449/0x710 [ 2165.292449][ T73] netlink_sendmsg+0x723/0xbe0 [ 2165.292449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2165.292449][ T73] ___sys_sendmsg+0xee/0x170 [ 2165.292449][ T73] __sys_sendmsg+0xcd/0x170 [ 2165.292449][ T73] do_syscall_64+0xc6/0x1e0 [ 2165.292449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.292449][ T73] [ 2175.446908][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2175.447356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.447356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2175.447356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2175.447356][ T73] fib6_nh_init+0xa22/0x1580 [ 2175.447356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.447356][ T73] ip6_route_add+0x1c/0x140 [ 2175.447356][ T73] inet6_rtm_newroute+0x104/0x110 [ 2175.447356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.447356][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.447356][ T73] netlink_unicast+0x449/0x710 [ 2175.447356][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.447356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.447356][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.447356][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.447356][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.447356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.447356][ T73] [ 2175.449262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.449262][ T73] dst_init+0x84/0x4a0 [ 2175.449262][ T73] dst_alloc+0x97/0x150 [ 2175.449262][ T73] ip6_dst_alloc+0x23/0x90 [ 2175.449262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2175.449262][ T73] ip6_pol_route+0x56f/0x840 [ 2175.449262][ T73] fib6_rule_lookup+0x456/0x630 [ 2175.449262][ T73] ip6_route_input+0x59c/0xa50 [ 2175.449262][ T73] ipv6_rcv+0x397/0x810 [ 2175.449262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2175.449262][ T73] process_backlog+0x101/0x620 [ 2175.449262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2175.449262][ T73] net_rx_action+0x495/0xbe0 [ 2175.449262][ T73] __do_softirq+0x1b5/0x7f6 [ 2175.449262][ T73] [ 2175.450943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.450943][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.450943][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.450943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.450943][ T73] ip6_route_add+0x1c/0x140 [ 2175.450943][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2175.450943][ T73] inet6_addr_add+0x4f8/0xa40 [ 2175.450943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.450943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.450943][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.450943][ T73] netlink_unicast+0x449/0x710 [ 2175.450943][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.450943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.450943][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.450943][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.450943][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.450943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.450943][ T73] [ 2175.452957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.452957][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.452957][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.452957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.452957][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2175.452957][ T73] ipv6_add_addr+0x411/0x2000 [ 2175.452957][ T73] inet6_addr_add+0x30e/0xa40 [ 2175.452957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.452957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.452957][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.452957][ T73] netlink_unicast+0x449/0x710 [ 2175.452957][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.452957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.452957][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.452957][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.452957][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.452957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.452957][ T73] [ 2175.454965][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.454965][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.454965][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.454965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.454965][ T73] ip6_route_add+0x1c/0x140 [ 2175.454965][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.454965][ T73] addrconf_add_dev+0xe2/0x170 [ 2175.454965][ T73] inet6_addr_add+0x12f/0xa40 [ 2175.454965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.454965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.454965][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.454965][ T73] netlink_unicast+0x449/0x710 [ 2175.454965][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.454965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.454965][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.454965][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.454965][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.454965][ T73] [ 2175.456946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.456946][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2175.456946][ T73] ipv6_find_idev+0x102/0x170 [ 2175.456946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.456946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.456946][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.456946][ T73] netlink_unicast+0x449/0x710 [ 2175.456946][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.456946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.456946][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.456946][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.456946][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.456946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.456946][ T73] [ 2175.458501][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2175.458501][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2175.458501][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2175.458501][ T73] ipv6_find_idev+0x102/0x170 [ 2175.458501][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.458501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.458501][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.458501][ T73] netlink_unicast+0x449/0x710 [ 2175.458501][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.458501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.458501][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.458501][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.458501][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.458501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.458501][ T73] [ 2175.460230][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2175.460524][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.460524][ T73] dst_init+0x84/0x4a0 [ 2175.460524][ T73] dst_alloc+0x97/0x150 [ 2175.460524][ T73] ip6_dst_alloc+0x23/0x90 [ 2175.460524][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2175.460524][ T73] ip6_pol_route+0x56f/0x840 [ 2175.460524][ T73] fib6_rule_lookup+0x456/0x630 [ 2175.460524][ T73] ip6_route_input+0x59c/0xa50 [ 2175.460524][ T73] ipv6_rcv+0x397/0x810 [ 2175.460524][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2175.460524][ T73] process_backlog+0x101/0x620 [ 2175.460524][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2175.460524][ T73] net_rx_action+0x495/0xbe0 [ 2175.460524][ T73] __do_softirq+0x1b5/0x7f6 [ 2175.460524][ T73] [ 2175.462185][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.462185][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.462185][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.462185][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.462185][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2175.462185][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2175.462185][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2175.462185][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2175.462185][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2175.462185][ T73] addrconf_dad_begin+0x310/0x670 [ 2175.462185][ T73] addrconf_dad_work+0x10b/0xab0 [ 2175.462185][ T73] process_one_work+0x84d/0x18a0 [ 2175.462185][ T73] worker_thread+0x587/0xd30 [ 2175.462185][ T73] kthread+0x28a/0x350 [ 2175.462185][ T73] ret_from_fork+0x31/0x70 [ 2175.462185][ T73] ret_from_fork_asm+0x1a/0x30 [ 2175.462185][ T73] [ 2175.464221][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.464221][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.464221][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.464221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.464221][ T73] ip6_route_add+0x1c/0x140 [ 2175.464221][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2175.464221][ T73] inet6_addr_add+0x4f8/0xa40 [ 2175.464221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.464221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.464221][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.464221][ T73] netlink_unicast+0x449/0x710 [ 2175.464221][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.464221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.464221][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.464221][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.464221][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.464221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.464221][ T73] [ 2175.466237][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.466237][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.466237][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.466237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.466237][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2175.466237][ T73] ipv6_add_addr+0x411/0x2000 [ 2175.466237][ T73] inet6_addr_add+0x30e/0xa40 [ 2175.466237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.466237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.466237][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.466237][ T73] netlink_unicast+0x449/0x710 [ 2175.466237][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.466237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.466237][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.466237][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.466237][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.466237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.466237][ T73] [ 2175.468284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.468284][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.468284][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.468284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.468284][ T73] ip6_route_add+0x1c/0x140 [ 2175.468284][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.468284][ T73] addrconf_add_dev+0xe2/0x170 [ 2175.468284][ T73] inet6_addr_add+0x12f/0xa40 [ 2175.468284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.468284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.468284][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.468284][ T73] netlink_unicast+0x449/0x710 [ 2175.468284][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.468284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.468284][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.468284][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.468284][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.468284][ T73] [ 2175.470258][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.470258][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2175.470258][ T73] ipv6_find_idev+0x102/0x170 [ 2175.470258][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.470258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.470258][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.470258][ T73] netlink_unicast+0x449/0x710 [ 2175.470258][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.470258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.470258][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.470258][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.470258][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.470258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.470258][ T73] [ 2175.471824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2175.471824][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2175.471824][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2175.471824][ T73] ipv6_find_idev+0x102/0x170 [ 2175.471824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.471824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.471824][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.471824][ T73] netlink_unicast+0x449/0x710 [ 2175.471824][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.471824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.471824][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.471824][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.471824][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.471824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.471824][ T73] [ 2175.473661][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2175.473965][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.473965][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2175.473965][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2175.473965][ T73] fib6_nh_init+0xa22/0x1580 [ 2175.473965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.473965][ T73] ip6_route_add+0x1c/0x140 [ 2175.473965][ T73] inet6_rtm_newroute+0x104/0x110 [ 2175.473965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.473965][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.473965][ T73] netlink_unicast+0x449/0x710 [ 2175.473965][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.473965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.473965][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.473965][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.473965][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.473965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.473965][ T73] [ 2175.476174][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.476174][ T73] dst_init+0x84/0x4a0 [ 2175.476174][ T73] dst_alloc+0x97/0x150 [ 2175.476174][ T73] ip6_dst_alloc+0x23/0x90 [ 2175.476174][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2175.476174][ T73] ip6_pol_route+0x56f/0x840 [ 2175.476174][ T73] fib6_rule_lookup+0x456/0x630 [ 2175.476174][ T73] ip6_route_input+0x59c/0xa50 [ 2175.476174][ T73] ipv6_rcv+0x397/0x810 [ 2175.476174][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2175.476174][ T73] process_backlog+0x101/0x620 [ 2175.476174][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2175.476174][ T73] net_rx_action+0x495/0xbe0 [ 2175.476174][ T73] __do_softirq+0x1b5/0x7f6 [ 2175.476174][ T73] [ 2175.477997][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.477997][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.477997][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.477997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.477997][ T73] ip6_route_add+0x1c/0x140 [ 2175.477997][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2175.477997][ T73] inet6_addr_add+0x4f8/0xa40 [ 2175.477997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.477997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.477997][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.477997][ T73] netlink_unicast+0x449/0x710 [ 2175.477997][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.477997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.477997][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.477997][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.477997][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.477997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.477997][ T73] [ 2175.480245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.480245][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.480245][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.480245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.480245][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2175.480245][ T73] ipv6_add_addr+0x411/0x2000 [ 2175.480245][ T73] inet6_addr_add+0x30e/0xa40 [ 2175.480245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.480245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.480245][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.480245][ T73] netlink_unicast+0x449/0x710 [ 2175.480245][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.480245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.480245][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.480245][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.480245][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.480245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.480245][ T73] [ 2175.482498][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.482498][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.482498][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.482498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.482498][ T73] ip6_route_add+0x1c/0x140 [ 2175.482498][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.482498][ T73] addrconf_add_dev+0xe2/0x170 [ 2175.482498][ T73] inet6_addr_add+0x12f/0xa40 [ 2175.482498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.482498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.482498][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.482498][ T73] netlink_unicast+0x449/0x710 [ 2175.482498][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.482498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.482498][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.482498][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.482498][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.482498][ T73] [ 2175.484714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.484714][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2175.484714][ T73] ipv6_find_idev+0x102/0x170 [ 2175.484714][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.484714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.484714][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.484714][ T73] netlink_unicast+0x449/0x710 [ 2175.484714][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.484714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.484714][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.484714][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.484714][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.484714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.484714][ T73] [ 2175.486439][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2175.486439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2175.486439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2175.486439][ T73] ipv6_find_idev+0x102/0x170 [ 2175.486439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.486439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.486439][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.486439][ T73] netlink_unicast+0x449/0x710 [ 2175.486439][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.486439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.486439][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.486439][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.486439][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.486439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.486439][ T73] [ 2175.488396][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2175.488671][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2175.488671][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.488671][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.488671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.488671][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2175.488671][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2175.488671][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2175.488671][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2175.488671][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2175.488671][ T73] addrconf_dad_begin+0x310/0x670 [ 2175.488671][ T73] addrconf_dad_work+0x10b/0xab0 [ 2175.488671][ T73] process_one_work+0x84d/0x18a0 [ 2175.488671][ T73] worker_thread+0x587/0xd30 [ 2175.488671][ T73] kthread+0x28a/0x350 [ 2175.488671][ T73] ret_from_fork+0x31/0x70 [ 2175.488671][ T73] ret_from_fork_asm+0x1a/0x30 [ 2175.488671][ T73] [ 2175.490865][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2175.490865][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.490865][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.490865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.490865][ T73] ip6_route_add+0x1c/0x140 [ 2175.490865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2175.490865][ T73] inet6_addr_add+0x4f8/0xa40 [ 2175.490865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.490865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.490865][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.490865][ T73] netlink_unicast+0x449/0x710 [ 2175.490865][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.490865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.490865][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.490865][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.490865][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.490865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.490865][ T73] [ 2175.493113][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2175.493113][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.493113][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.493113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.493113][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2175.493113][ T73] ipv6_add_addr+0x411/0x2000 [ 2175.493113][ T73] inet6_addr_add+0x30e/0xa40 [ 2175.493113][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.493113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.493113][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.493113][ T73] netlink_unicast+0x449/0x710 [ 2175.493113][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.493113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.493113][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.493113][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.493113][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.493113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.493113][ T73] [ 2175.495364][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2175.495364][ T73] netdev_get_by_index+0x5e/0x80 [ 2175.495364][ T73] fib6_nh_init+0x3d8/0x1580 [ 2175.495364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2175.495364][ T73] ip6_route_add+0x1c/0x140 [ 2175.495364][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.495364][ T73] addrconf_add_dev+0xe2/0x170 [ 2175.495364][ T73] inet6_addr_add+0x12f/0xa40 [ 2175.495364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.495364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.495364][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.495364][ T73] netlink_unicast+0x449/0x710 [ 2175.495364][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.495364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.495364][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.495364][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.495364][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.495364][ T73] [ 2175.497583][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2175.497583][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2175.497583][ T73] ipv6_find_idev+0x102/0x170 [ 2175.497583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.497583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.497583][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.497583][ T73] netlink_unicast+0x449/0x710 [ 2175.497583][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.497583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.497583][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.497583][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.497583][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.497583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.497583][ T73] [ 2175.499360][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2175.499360][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2175.499360][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2175.499360][ T73] ipv6_find_idev+0x102/0x170 [ 2175.499360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.499360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.499360][ T73] netlink_rcv_skb+0x130/0x360 [ 2175.499360][ T73] netlink_unicast+0x449/0x710 [ 2175.499360][ T73] netlink_sendmsg+0x723/0xbe0 [ 2175.499360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2175.499360][ T73] ___sys_sendmsg+0xee/0x170 [ 2175.499360][ T73] __sys_sendmsg+0xcd/0x170 [ 2175.499360][ T73] do_syscall_64+0xc6/0x1e0 [ 2175.499360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.499360][ T73] [ 2185.750910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2185.751334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.751334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2185.751334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2185.751334][ T73] fib6_nh_init+0xa22/0x1580 [ 2185.751334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.751334][ T73] ip6_route_add+0x1c/0x140 [ 2185.751334][ T73] inet6_rtm_newroute+0x104/0x110 [ 2185.751334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.751334][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.751334][ T73] netlink_unicast+0x449/0x710 [ 2185.751334][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.751334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.751334][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.751334][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.751334][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.751334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.751334][ T73] [ 2185.753228][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.753228][ T73] dst_init+0x84/0x4a0 [ 2185.753228][ T73] dst_alloc+0x97/0x150 [ 2185.753228][ T73] ip6_dst_alloc+0x23/0x90 [ 2185.753228][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2185.753228][ T73] ip6_pol_route+0x56f/0x840 [ 2185.753228][ T73] fib6_rule_lookup+0x456/0x630 [ 2185.753228][ T73] ip6_route_input+0x59c/0xa50 [ 2185.753228][ T73] ipv6_rcv+0x397/0x810 [ 2185.753228][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2185.753228][ T73] process_backlog+0x101/0x620 [ 2185.753228][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2185.753228][ T73] net_rx_action+0x495/0xbe0 [ 2185.753228][ T73] __do_softirq+0x1b5/0x7f6 [ 2185.753228][ T73] [ 2185.754862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.754862][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.754862][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.754862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.754862][ T73] ip6_route_add+0x1c/0x140 [ 2185.754862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2185.754862][ T73] inet6_addr_add+0x4f8/0xa40 [ 2185.754862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.754862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.754862][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.754862][ T73] netlink_unicast+0x449/0x710 [ 2185.754862][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.754862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.754862][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.754862][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.754862][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.754862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.754862][ T73] [ 2185.756845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.756845][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.756845][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.756845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.756845][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2185.756845][ T73] ipv6_add_addr+0x411/0x2000 [ 2185.756845][ T73] inet6_addr_add+0x30e/0xa40 [ 2185.756845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.756845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.756845][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.756845][ T73] netlink_unicast+0x449/0x710 [ 2185.756845][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.756845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.756845][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.756845][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.756845][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.756845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.756845][ T73] [ 2185.758825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.758825][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.758825][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.758825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.758825][ T73] ip6_route_add+0x1c/0x140 [ 2185.758825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.758825][ T73] addrconf_add_dev+0xe2/0x170 [ 2185.758825][ T73] inet6_addr_add+0x12f/0xa40 [ 2185.758825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.758825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.758825][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.758825][ T73] netlink_unicast+0x449/0x710 [ 2185.758825][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.758825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.758825][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.758825][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.758825][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.758825][ T73] [ 2185.760886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.760886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2185.760886][ T73] ipv6_find_idev+0x102/0x170 [ 2185.760886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.760886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.760886][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.760886][ T73] netlink_unicast+0x449/0x710 [ 2185.760886][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.760886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.760886][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.760886][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.760886][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.760886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.760886][ T73] [ 2185.762491][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2185.762491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2185.762491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2185.762491][ T73] ipv6_find_idev+0x102/0x170 [ 2185.762491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.762491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.762491][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.762491][ T73] netlink_unicast+0x449/0x710 [ 2185.762491][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.762491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.762491][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.762491][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.762491][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.762491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.762491][ T73] [ 2185.764272][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2185.764553][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.764553][ T73] dst_init+0x84/0x4a0 [ 2185.764553][ T73] dst_alloc+0x97/0x150 [ 2185.764553][ T73] ip6_dst_alloc+0x23/0x90 [ 2185.764553][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2185.764553][ T73] ip6_pol_route+0x56f/0x840 [ 2185.764553][ T73] fib6_rule_lookup+0x456/0x630 [ 2185.764553][ T73] ip6_route_input+0x59c/0xa50 [ 2185.764553][ T73] ipv6_rcv+0x397/0x810 [ 2185.764553][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2185.764553][ T73] process_backlog+0x101/0x620 [ 2185.764553][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2185.764553][ T73] net_rx_action+0x495/0xbe0 [ 2185.764553][ T73] __do_softirq+0x1b5/0x7f6 [ 2185.764553][ T73] [ 2185.766259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.766259][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.766259][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.766259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.766259][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2185.766259][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2185.766259][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2185.766259][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2185.766259][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2185.766259][ T73] addrconf_dad_begin+0x310/0x670 [ 2185.766259][ T73] addrconf_dad_work+0x10b/0xab0 [ 2185.766259][ T73] process_one_work+0x84d/0x18a0 [ 2185.766259][ T73] worker_thread+0x587/0xd30 [ 2185.766259][ T73] kthread+0x28a/0x350 [ 2185.766259][ T73] ret_from_fork+0x31/0x70 [ 2185.766259][ T73] ret_from_fork_asm+0x1a/0x30 [ 2185.766259][ T73] [ 2185.768236][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.768236][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.768236][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.768236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.768236][ T73] ip6_route_add+0x1c/0x140 [ 2185.768236][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2185.768236][ T73] inet6_addr_add+0x4f8/0xa40 [ 2185.768236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.768236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.768236][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.768236][ T73] netlink_unicast+0x449/0x710 [ 2185.768236][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.768236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.768236][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.768236][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.768236][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.768236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.768236][ T73] [ 2185.770319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.770319][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.770319][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.770319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.770319][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2185.770319][ T73] ipv6_add_addr+0x411/0x2000 [ 2185.770319][ T73] inet6_addr_add+0x30e/0xa40 [ 2185.770319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.770319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.770319][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.770319][ T73] netlink_unicast+0x449/0x710 [ 2185.770319][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.770319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.770319][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.770319][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.770319][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.770319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.770319][ T73] [ 2185.772419][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.772419][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.772419][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.772419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.772419][ T73] ip6_route_add+0x1c/0x140 [ 2185.772419][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.772419][ T73] addrconf_add_dev+0xe2/0x170 [ 2185.772419][ T73] inet6_addr_add+0x12f/0xa40 [ 2185.772419][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.772419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.772419][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.772419][ T73] netlink_unicast+0x449/0x710 [ 2185.772419][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.772419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.772419][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.772419][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.772419][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.772419][ T73] [ 2185.774361][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.774361][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2185.774361][ T73] ipv6_find_idev+0x102/0x170 [ 2185.774361][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.774361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.774361][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.774361][ T73] netlink_unicast+0x449/0x710 [ 2185.774361][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.774361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.774361][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.774361][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.774361][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.774361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.774361][ T73] [ 2185.775892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2185.775892][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2185.775892][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2185.775892][ T73] ipv6_find_idev+0x102/0x170 [ 2185.775892][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.775892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.775892][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.775892][ T73] netlink_unicast+0x449/0x710 [ 2185.775892][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.775892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.775892][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.775892][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.775892][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.775892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.775892][ T73] [ 2185.777694][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2185.778042][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.778042][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2185.778042][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2185.778042][ T73] fib6_nh_init+0xa22/0x1580 [ 2185.778042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.778042][ T73] ip6_route_add+0x1c/0x140 [ 2185.778042][ T73] inet6_rtm_newroute+0x104/0x110 [ 2185.778042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.778042][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.778042][ T73] netlink_unicast+0x449/0x710 [ 2185.778042][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.778042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.778042][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.778042][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.778042][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.778042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.778042][ T73] [ 2185.780142][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.780142][ T73] dst_init+0x84/0x4a0 [ 2185.780142][ T73] dst_alloc+0x97/0x150 [ 2185.780142][ T73] ip6_dst_alloc+0x23/0x90 [ 2185.780142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2185.780142][ T73] ip6_pol_route+0x56f/0x840 [ 2185.780142][ T73] fib6_rule_lookup+0x456/0x630 [ 2185.780142][ T73] ip6_route_input+0x59c/0xa50 [ 2185.780142][ T73] ipv6_rcv+0x397/0x810 [ 2185.780142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2185.780142][ T73] process_backlog+0x101/0x620 [ 2185.780142][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2185.780142][ T73] net_rx_action+0x495/0xbe0 [ 2185.780142][ T73] __do_softirq+0x1b5/0x7f6 [ 2185.780142][ T73] [ 2185.781949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.781949][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.781949][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.781949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.781949][ T73] ip6_route_add+0x1c/0x140 [ 2185.781949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2185.781949][ T73] inet6_addr_add+0x4f8/0xa40 [ 2185.781949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.781949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.781949][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.781949][ T73] netlink_unicast+0x449/0x710 [ 2185.781949][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.781949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.781949][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.781949][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.781949][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.781949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.781949][ T73] [ 2185.784165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.784165][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.784165][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.784165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.784165][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2185.784165][ T73] ipv6_add_addr+0x411/0x2000 [ 2185.784165][ T73] inet6_addr_add+0x30e/0xa40 [ 2185.784165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.784165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.784165][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.784165][ T73] netlink_unicast+0x449/0x710 [ 2185.784165][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.784165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.784165][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.784165][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.784165][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.784165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.784165][ T73] [ 2185.786385][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.786385][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.786385][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.786385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.786385][ T73] ip6_route_add+0x1c/0x140 [ 2185.786385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.786385][ T73] addrconf_add_dev+0xe2/0x170 [ 2185.786385][ T73] inet6_addr_add+0x12f/0xa40 [ 2185.786385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.786385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.786385][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.786385][ T73] netlink_unicast+0x449/0x710 [ 2185.786385][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.786385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.786385][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.786385][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.786385][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.786385][ T73] [ 2185.788629][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.788629][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2185.788629][ T73] ipv6_find_idev+0x102/0x170 [ 2185.788629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.788629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.788629][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.788629][ T73] netlink_unicast+0x449/0x710 [ 2185.788629][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.788629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.788629][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.788629][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.788629][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.788629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.788629][ T73] [ 2185.790345][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2185.790345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2185.790345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2185.790345][ T73] ipv6_find_idev+0x102/0x170 [ 2185.790345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.790345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.790345][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.790345][ T73] netlink_unicast+0x449/0x710 [ 2185.790345][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.790345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.790345][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.790345][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.790345][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.790345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.790345][ T73] [ 2185.792194][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2185.792469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2185.792469][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.792469][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.792469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.792469][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2185.792469][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2185.792469][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2185.792469][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2185.792469][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2185.792469][ T73] addrconf_dad_begin+0x310/0x670 [ 2185.792469][ T73] addrconf_dad_work+0x10b/0xab0 [ 2185.792469][ T73] process_one_work+0x84d/0x18a0 [ 2185.792469][ T73] worker_thread+0x587/0xd30 [ 2185.792469][ T73] kthread+0x28a/0x350 [ 2185.792469][ T73] ret_from_fork+0x31/0x70 [ 2185.792469][ T73] ret_from_fork_asm+0x1a/0x30 [ 2185.792469][ T73] [ 2185.794598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2185.794598][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.794598][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.794598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.794598][ T73] ip6_route_add+0x1c/0x140 [ 2185.794598][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2185.794598][ T73] inet6_addr_add+0x4f8/0xa40 [ 2185.794598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.794598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.794598][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.794598][ T73] netlink_unicast+0x449/0x710 [ 2185.794598][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.794598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.794598][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.794598][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.794598][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.794598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.794598][ T73] [ 2185.796816][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2185.796816][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.796816][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.796816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.796816][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2185.796816][ T73] ipv6_add_addr+0x411/0x2000 [ 2185.796816][ T73] inet6_addr_add+0x30e/0xa40 [ 2185.796816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.796816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.796816][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.796816][ T73] netlink_unicast+0x449/0x710 [ 2185.796816][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.796816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.796816][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.796816][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.796816][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.796816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.796816][ T73] [ 2185.799103][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2185.799103][ T73] netdev_get_by_index+0x5e/0x80 [ 2185.799103][ T73] fib6_nh_init+0x3d8/0x1580 [ 2185.799103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2185.799103][ T73] ip6_route_add+0x1c/0x140 [ 2185.799103][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.799103][ T73] addrconf_add_dev+0xe2/0x170 [ 2185.799103][ T73] inet6_addr_add+0x12f/0xa40 [ 2185.799103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.799103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.799103][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.799103][ T73] netlink_unicast+0x449/0x710 [ 2185.799103][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.799103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.799103][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.799103][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.799103][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.799103][ T73] [ 2185.801235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2185.801235][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2185.801235][ T73] ipv6_find_idev+0x102/0x170 [ 2185.801235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.801235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.801235][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.801235][ T73] netlink_unicast+0x449/0x710 [ 2185.801235][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.801235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.801235][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.801235][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.801235][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.801235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.801235][ T73] [ 2185.803470][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2185.803470][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2185.803470][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2185.803470][ T73] ipv6_find_idev+0x102/0x170 [ 2185.803470][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.803470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.803470][ T73] netlink_rcv_skb+0x130/0x360 [ 2185.803470][ T73] netlink_unicast+0x449/0x710 [ 2185.803470][ T73] netlink_sendmsg+0x723/0xbe0 [ 2185.803470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2185.803470][ T73] ___sys_sendmsg+0xee/0x170 [ 2185.803470][ T73] __sys_sendmsg+0xcd/0x170 [ 2185.803470][ T73] do_syscall_64+0xc6/0x1e0 [ 2185.803470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.803470][ T73] [ 2195.998946][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2195.999399][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2195.999399][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2195.999399][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2195.999399][ T73] fib6_nh_init+0xa22/0x1580 [ 2195.999399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2195.999399][ T73] ip6_route_add+0x1c/0x140 [ 2195.999399][ T73] inet6_rtm_newroute+0x104/0x110 [ 2195.999399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.999399][ T73] netlink_rcv_skb+0x130/0x360 [ 2195.999399][ T73] netlink_unicast+0x449/0x710 [ 2195.999399][ T73] netlink_sendmsg+0x723/0xbe0 [ 2195.999399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2195.999399][ T73] ___sys_sendmsg+0xee/0x170 [ 2195.999399][ T73] __sys_sendmsg+0xcd/0x170 [ 2195.999399][ T73] do_syscall_64+0xc6/0x1e0 [ 2195.999399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.999399][ T73] [ 2196.001321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2196.001321][ T73] dst_init+0x84/0x4a0 [ 2196.001321][ T73] dst_alloc+0x97/0x150 [ 2196.001321][ T73] ip6_dst_alloc+0x23/0x90 [ 2196.001321][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2196.001321][ T73] ip6_pol_route+0x56f/0x840 [ 2196.001321][ T73] fib6_rule_lookup+0x456/0x630 [ 2196.001321][ T73] ip6_route_input+0x59c/0xa50 [ 2196.001321][ T73] ipv6_rcv+0x397/0x810 [ 2196.001321][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2196.001321][ T73] process_backlog+0x101/0x620 [ 2196.001321][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2196.001321][ T73] net_rx_action+0x495/0xbe0 [ 2196.001321][ T73] __do_softirq+0x1b5/0x7f6 [ 2196.001321][ T73] [ 2196.002975][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2196.002975][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.002975][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.002975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.002975][ T73] ip6_route_add+0x1c/0x140 [ 2196.002975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2196.002975][ T73] inet6_addr_add+0x4f8/0xa40 [ 2196.002975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.002975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.002975][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.002975][ T73] netlink_unicast+0x449/0x710 [ 2196.002975][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.002975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.002975][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.002975][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.002975][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.002975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.002975][ T73] [ 2196.004985][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2196.004985][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.004985][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.004985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.004985][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2196.004985][ T73] ipv6_add_addr+0x411/0x2000 [ 2196.004985][ T73] inet6_addr_add+0x30e/0xa40 [ 2196.004985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.004985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.004985][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.004985][ T73] netlink_unicast+0x449/0x710 [ 2196.004985][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.004985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.004985][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.004985][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.004985][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.004985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.004985][ T73] [ 2196.006990][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2196.006990][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.006990][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.006990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.006990][ T73] ip6_route_add+0x1c/0x140 [ 2196.006990][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.006990][ T73] addrconf_add_dev+0xe2/0x170 [ 2196.006990][ T73] inet6_addr_add+0x12f/0xa40 [ 2196.006990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.006990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.006990][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.006990][ T73] netlink_unicast+0x449/0x710 [ 2196.006990][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.006990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.006990][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.006990][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.006990][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.006990][ T73] [ 2196.008967][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2196.008967][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2196.008967][ T73] ipv6_find_idev+0x102/0x170 [ 2196.008967][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.008967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.008967][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.008967][ T73] netlink_unicast+0x449/0x710 [ 2196.008967][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.008967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.008967][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.008967][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.008967][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.008967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.008967][ T73] [ 2196.010520][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2196.010520][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2196.010520][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2196.010520][ T73] ipv6_find_idev+0x102/0x170 [ 2196.010520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.010520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.010520][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.010520][ T73] netlink_unicast+0x449/0x710 [ 2196.010520][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.010520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.010520][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.010520][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.010520][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.010520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.010520][ T73] [ 2196.012282][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2196.012562][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.012562][ T73] dst_init+0x84/0x4a0 [ 2196.012562][ T73] dst_alloc+0x97/0x150 [ 2196.012562][ T73] ip6_dst_alloc+0x23/0x90 [ 2196.012562][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2196.012562][ T73] ip6_pol_route+0x56f/0x840 [ 2196.012562][ T73] fib6_rule_lookup+0x456/0x630 [ 2196.012562][ T73] ip6_route_input+0x59c/0xa50 [ 2196.012562][ T73] ipv6_rcv+0x397/0x810 [ 2196.012562][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2196.012562][ T73] process_backlog+0x101/0x620 [ 2196.012562][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2196.012562][ T73] net_rx_action+0x495/0xbe0 [ 2196.012562][ T73] __do_softirq+0x1b5/0x7f6 [ 2196.012562][ T73] [ 2196.014216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.014216][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.014216][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.014216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.014216][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2196.014216][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2196.014216][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2196.014216][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2196.014216][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2196.014216][ T73] addrconf_dad_begin+0x310/0x670 [ 2196.014216][ T73] addrconf_dad_work+0x10b/0xab0 [ 2196.014216][ T73] process_one_work+0x84d/0x18a0 [ 2196.014216][ T73] worker_thread+0x587/0xd30 [ 2196.014216][ T73] kthread+0x28a/0x350 [ 2196.014216][ T73] ret_from_fork+0x31/0x70 [ 2196.014216][ T73] ret_from_fork_asm+0x1a/0x30 [ 2196.014216][ T73] [ 2196.016140][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.016140][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.016140][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.016140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.016140][ T73] ip6_route_add+0x1c/0x140 [ 2196.016140][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2196.016140][ T73] inet6_addr_add+0x4f8/0xa40 [ 2196.016140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.016140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.016140][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.016140][ T73] netlink_unicast+0x449/0x710 [ 2196.016140][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.016140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.016140][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.016140][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.016140][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.016140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.016140][ T73] [ 2196.018152][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.018152][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.018152][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.018152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.018152][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2196.018152][ T73] ipv6_add_addr+0x411/0x2000 [ 2196.018152][ T73] inet6_addr_add+0x30e/0xa40 [ 2196.018152][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.018152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.018152][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.018152][ T73] netlink_unicast+0x449/0x710 [ 2196.018152][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.018152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.018152][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.018152][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.018152][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.018152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.018152][ T73] [ 2196.020155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.020155][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.020155][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.020155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.020155][ T73] ip6_route_add+0x1c/0x140 [ 2196.020155][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.020155][ T73] addrconf_add_dev+0xe2/0x170 [ 2196.020155][ T73] inet6_addr_add+0x12f/0xa40 [ 2196.020155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.020155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.020155][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.020155][ T73] netlink_unicast+0x449/0x710 [ 2196.020155][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.020155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.020155][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.020155][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.020155][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.020155][ T73] [ 2196.022125][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.022125][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2196.022125][ T73] ipv6_find_idev+0x102/0x170 [ 2196.022125][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.022125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.022125][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.022125][ T73] netlink_unicast+0x449/0x710 [ 2196.022125][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.022125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.022125][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.022125][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.022125][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.022125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.022125][ T73] [ 2196.023684][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2196.023684][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2196.023684][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2196.023684][ T73] ipv6_find_idev+0x102/0x170 [ 2196.023684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.023684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.023684][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.023684][ T73] netlink_unicast+0x449/0x710 [ 2196.023684][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.023684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.023684][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.023684][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.023684][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.023684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.023684][ T73] [ 2196.025509][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2196.025781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.025781][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2196.025781][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2196.025781][ T73] fib6_nh_init+0xa22/0x1580 [ 2196.025781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.025781][ T73] ip6_route_add+0x1c/0x140 [ 2196.025781][ T73] inet6_rtm_newroute+0x104/0x110 [ 2196.025781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.025781][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.025781][ T73] netlink_unicast+0x449/0x710 [ 2196.025781][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.025781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.025781][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.025781][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.025781][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.025781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.025781][ T73] [ 2196.027907][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.027907][ T73] dst_init+0x84/0x4a0 [ 2196.027907][ T73] dst_alloc+0x97/0x150 [ 2196.027907][ T73] ip6_dst_alloc+0x23/0x90 [ 2196.027907][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2196.027907][ T73] ip6_pol_route+0x56f/0x840 [ 2196.027907][ T73] fib6_rule_lookup+0x456/0x630 [ 2196.027907][ T73] ip6_route_input+0x59c/0xa50 [ 2196.027907][ T73] ipv6_rcv+0x397/0x810 [ 2196.027907][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2196.027907][ T73] process_backlog+0x101/0x620 [ 2196.027907][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2196.027907][ T73] net_rx_action+0x495/0xbe0 [ 2196.027907][ T73] __do_softirq+0x1b5/0x7f6 [ 2196.027907][ T73] [ 2196.029728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.029728][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.029728][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.029728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.029728][ T73] ip6_route_add+0x1c/0x140 [ 2196.029728][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2196.029728][ T73] inet6_addr_add+0x4f8/0xa40 [ 2196.029728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.029728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.029728][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.029728][ T73] netlink_unicast+0x449/0x710 [ 2196.029728][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.029728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.029728][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.029728][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.029728][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.029728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.029728][ T73] [ 2196.032046][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.032046][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.032046][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.032046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.032046][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2196.032046][ T73] ipv6_add_addr+0x411/0x2000 [ 2196.032046][ T73] inet6_addr_add+0x30e/0xa40 [ 2196.032046][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.032046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.032046][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.032046][ T73] netlink_unicast+0x449/0x710 [ 2196.032046][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.032046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.032046][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.032046][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.032046][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.032046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.032046][ T73] [ 2196.034290][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.034290][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.034290][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.034290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.034290][ T73] ip6_route_add+0x1c/0x140 [ 2196.034290][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.034290][ T73] addrconf_add_dev+0xe2/0x170 [ 2196.034290][ T73] inet6_addr_add+0x12f/0xa40 [ 2196.034290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.034290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.034290][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.034290][ T73] netlink_unicast+0x449/0x710 [ 2196.034290][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.034290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.034290][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.034290][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.034290][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.034290][ T73] [ 2196.036471][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.036471][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2196.036471][ T73] ipv6_find_idev+0x102/0x170 [ 2196.036471][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.036471][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.036471][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.036471][ T73] netlink_unicast+0x449/0x710 [ 2196.036471][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.036471][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.036471][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.036471][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.036471][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.036471][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.036471][ T73] [ 2196.038197][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2196.038197][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2196.038197][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2196.038197][ T73] ipv6_find_idev+0x102/0x170 [ 2196.038197][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.038197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.038197][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.038197][ T73] netlink_unicast+0x449/0x710 [ 2196.038197][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.038197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.038197][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.038197][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.038197][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.038197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.038197][ T73] [ 2196.040220][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2196.040505][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2196.040505][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.040505][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.040505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.040505][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2196.040505][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2196.040505][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2196.040505][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2196.040505][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2196.040505][ T73] addrconf_dad_begin+0x310/0x670 [ 2196.040505][ T73] addrconf_dad_work+0x10b/0xab0 [ 2196.040505][ T73] process_one_work+0x84d/0x18a0 [ 2196.040505][ T73] worker_thread+0x587/0xd30 [ 2196.040505][ T73] kthread+0x28a/0x350 [ 2196.040505][ T73] ret_from_fork+0x31/0x70 [ 2196.040505][ T73] ret_from_fork_asm+0x1a/0x30 [ 2196.040505][ T73] [ 2196.042660][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2196.042660][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.042660][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.042660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.042660][ T73] ip6_route_add+0x1c/0x140 [ 2196.042660][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2196.042660][ T73] inet6_addr_add+0x4f8/0xa40 [ 2196.042660][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.042660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.042660][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.042660][ T73] netlink_unicast+0x449/0x710 [ 2196.042660][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.042660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.042660][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.042660][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.042660][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.042660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.042660][ T73] [ 2196.044906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2196.044906][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.044906][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.044906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.044906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2196.044906][ T73] ipv6_add_addr+0x411/0x2000 [ 2196.044906][ T73] inet6_addr_add+0x30e/0xa40 [ 2196.044906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.044906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.044906][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.044906][ T73] netlink_unicast+0x449/0x710 [ 2196.044906][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.044906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.044906][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.044906][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.044906][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.044906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.044906][ T73] [ 2196.047625][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2196.047625][ T73] netdev_get_by_index+0x5e/0x80 [ 2196.047625][ T73] fib6_nh_init+0x3d8/0x1580 [ 2196.047625][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2196.047625][ T73] ip6_route_add+0x1c/0x140 [ 2196.047625][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.047625][ T73] addrconf_add_dev+0xe2/0x170 [ 2196.047625][ T73] inet6_addr_add+0x12f/0xa40 [ 2196.047625][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.047625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.047625][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.047625][ T73] netlink_unicast+0x449/0x710 [ 2196.047625][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.047625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.047625][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.047625][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.047625][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.047625][ T73] [ 2196.049855][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2196.049855][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2196.049855][ T73] ipv6_find_idev+0x102/0x170 [ 2196.049855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.049855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.049855][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.049855][ T73] netlink_unicast+0x449/0x710 [ 2196.049855][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.049855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.049855][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.049855][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.049855][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.049855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.049855][ T73] [ 2196.052200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2196.052200][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2196.052200][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2196.052200][ T73] ipv6_find_idev+0x102/0x170 [ 2196.052200][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.052200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.052200][ T73] netlink_rcv_skb+0x130/0x360 [ 2196.052200][ T73] netlink_unicast+0x449/0x710 [ 2196.052200][ T73] netlink_sendmsg+0x723/0xbe0 [ 2196.052200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2196.052200][ T73] ___sys_sendmsg+0xee/0x170 [ 2196.052200][ T73] __sys_sendmsg+0xcd/0x170 [ 2196.052200][ T73] do_syscall_64+0xc6/0x1e0 [ 2196.052200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.052200][ T73] [ 2206.206982][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2206.207438][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.207438][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2206.207438][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2206.207438][ T73] fib6_nh_init+0xa22/0x1580 [ 2206.207438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.207438][ T73] ip6_route_add+0x1c/0x140 [ 2206.207438][ T73] inet6_rtm_newroute+0x104/0x110 [ 2206.207438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.207438][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.207438][ T73] netlink_unicast+0x449/0x710 [ 2206.207438][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.207438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.207438][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.207438][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.207438][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.207438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.207438][ T73] [ 2206.209381][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.209381][ T73] dst_init+0x84/0x4a0 [ 2206.209381][ T73] dst_alloc+0x97/0x150 [ 2206.209381][ T73] ip6_dst_alloc+0x23/0x90 [ 2206.209381][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2206.209381][ T73] ip6_pol_route+0x56f/0x840 [ 2206.209381][ T73] fib6_rule_lookup+0x456/0x630 [ 2206.209381][ T73] ip6_route_input+0x59c/0xa50 [ 2206.209381][ T73] ipv6_rcv+0x397/0x810 [ 2206.209381][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2206.209381][ T73] process_backlog+0x101/0x620 [ 2206.209381][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2206.209381][ T73] net_rx_action+0x495/0xbe0 [ 2206.209381][ T73] __do_softirq+0x1b5/0x7f6 [ 2206.209381][ T73] [ 2206.211045][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.211045][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.211045][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.211045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.211045][ T73] ip6_route_add+0x1c/0x140 [ 2206.211045][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2206.211045][ T73] inet6_addr_add+0x4f8/0xa40 [ 2206.211045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.211045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.211045][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.211045][ T73] netlink_unicast+0x449/0x710 [ 2206.211045][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.211045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.211045][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.211045][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.211045][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.211045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.211045][ T73] [ 2206.213045][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.213045][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.213045][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.213045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.213045][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2206.213045][ T73] ipv6_add_addr+0x411/0x2000 [ 2206.213045][ T73] inet6_addr_add+0x30e/0xa40 [ 2206.213045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.213045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.213045][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.213045][ T73] netlink_unicast+0x449/0x710 [ 2206.213045][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.213045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.213045][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.213045][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.213045][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.213045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.213045][ T73] [ 2206.215057][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.215057][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.215057][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.215057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.215057][ T73] ip6_route_add+0x1c/0x140 [ 2206.215057][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.215057][ T73] addrconf_add_dev+0xe2/0x170 [ 2206.215057][ T73] inet6_addr_add+0x12f/0xa40 [ 2206.215057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.215057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.215057][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.215057][ T73] netlink_unicast+0x449/0x710 [ 2206.215057][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.215057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.215057][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.215057][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.215057][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.215057][ T73] [ 2206.217040][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.217040][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2206.217040][ T73] ipv6_find_idev+0x102/0x170 [ 2206.217040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.217040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.217040][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.217040][ T73] netlink_unicast+0x449/0x710 [ 2206.217040][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.217040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.217040][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.217040][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.217040][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.217040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.217040][ T73] [ 2206.218593][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2206.218593][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2206.218593][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2206.218593][ T73] ipv6_find_idev+0x102/0x170 [ 2206.218593][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.218593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.218593][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.218593][ T73] netlink_unicast+0x449/0x710 [ 2206.218593][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.218593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.218593][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.218593][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.218593][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.218593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.218593][ T73] [ 2206.220352][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2206.220641][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.220641][ T73] dst_init+0x84/0x4a0 [ 2206.220641][ T73] dst_alloc+0x97/0x150 [ 2206.220641][ T73] ip6_dst_alloc+0x23/0x90 [ 2206.220641][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2206.220641][ T73] ip6_pol_route+0x56f/0x840 [ 2206.220641][ T73] fib6_rule_lookup+0x456/0x630 [ 2206.220641][ T73] ip6_route_input+0x59c/0xa50 [ 2206.220641][ T73] ipv6_rcv+0x397/0x810 [ 2206.220641][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2206.220641][ T73] process_backlog+0x101/0x620 [ 2206.220641][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2206.220641][ T73] net_rx_action+0x495/0xbe0 [ 2206.220641][ T73] __do_softirq+0x1b5/0x7f6 [ 2206.220641][ T73] [ 2206.222313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.222313][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.222313][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.222313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.222313][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2206.222313][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2206.222313][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2206.222313][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2206.222313][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2206.222313][ T73] addrconf_dad_begin+0x310/0x670 [ 2206.222313][ T73] addrconf_dad_work+0x10b/0xab0 [ 2206.222313][ T73] process_one_work+0x84d/0x18a0 [ 2206.222313][ T73] worker_thread+0x587/0xd30 [ 2206.222313][ T73] kthread+0x28a/0x350 [ 2206.222313][ T73] ret_from_fork+0x31/0x70 [ 2206.222313][ T73] ret_from_fork_asm+0x1a/0x30 [ 2206.222313][ T73] [ 2206.224235][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.224235][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.224235][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.224235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.224235][ T73] ip6_route_add+0x1c/0x140 [ 2206.224235][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2206.224235][ T73] inet6_addr_add+0x4f8/0xa40 [ 2206.224235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.224235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.224235][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.224235][ T73] netlink_unicast+0x449/0x710 [ 2206.224235][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.224235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.224235][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.224235][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.224235][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.224235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.224235][ T73] [ 2206.226240][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.226240][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.226240][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.226240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.226240][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2206.226240][ T73] ipv6_add_addr+0x411/0x2000 [ 2206.226240][ T73] inet6_addr_add+0x30e/0xa40 [ 2206.226240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.226240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.226240][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.226240][ T73] netlink_unicast+0x449/0x710 [ 2206.226240][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.226240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.226240][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.226240][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.226240][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.226240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.226240][ T73] [ 2206.228249][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.228249][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.228249][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.228249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.228249][ T73] ip6_route_add+0x1c/0x140 [ 2206.228249][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.228249][ T73] addrconf_add_dev+0xe2/0x170 [ 2206.228249][ T73] inet6_addr_add+0x12f/0xa40 [ 2206.228249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.228249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.228249][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.228249][ T73] netlink_unicast+0x449/0x710 [ 2206.228249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.228249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.228249][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.228249][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.228249][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.228249][ T73] [ 2206.230243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.230243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2206.230243][ T73] ipv6_find_idev+0x102/0x170 [ 2206.230243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.230243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.230243][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.230243][ T73] netlink_unicast+0x449/0x710 [ 2206.230243][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.230243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.230243][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.230243][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.230243][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.230243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.230243][ T73] [ 2206.231803][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2206.231803][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2206.231803][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2206.231803][ T73] ipv6_find_idev+0x102/0x170 [ 2206.231803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.231803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.231803][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.231803][ T73] netlink_unicast+0x449/0x710 [ 2206.231803][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.231803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.231803][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.231803][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.231803][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.231803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.231803][ T73] [ 2206.233643][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2206.233926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.233926][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2206.233926][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2206.233926][ T73] fib6_nh_init+0xa22/0x1580 [ 2206.233926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.233926][ T73] ip6_route_add+0x1c/0x140 [ 2206.233926][ T73] inet6_rtm_newroute+0x104/0x110 [ 2206.233926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.233926][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.233926][ T73] netlink_unicast+0x449/0x710 [ 2206.233926][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.233926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.233926][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.233926][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.233926][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.233926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.233926][ T73] [ 2206.236127][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.236127][ T73] dst_init+0x84/0x4a0 [ 2206.236127][ T73] dst_alloc+0x97/0x150 [ 2206.236127][ T73] ip6_dst_alloc+0x23/0x90 [ 2206.236127][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2206.236127][ T73] ip6_pol_route+0x56f/0x840 [ 2206.236127][ T73] fib6_rule_lookup+0x456/0x630 [ 2206.236127][ T73] ip6_route_input+0x59c/0xa50 [ 2206.236127][ T73] ipv6_rcv+0x397/0x810 [ 2206.236127][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2206.236127][ T73] process_backlog+0x101/0x620 [ 2206.236127][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2206.236127][ T73] net_rx_action+0x495/0xbe0 [ 2206.236127][ T73] __do_softirq+0x1b5/0x7f6 [ 2206.236127][ T73] [ 2206.238070][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.238070][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.238070][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.238070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.238070][ T73] ip6_route_add+0x1c/0x140 [ 2206.238070][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2206.238070][ T73] inet6_addr_add+0x4f8/0xa40 [ 2206.238070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.238070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.238070][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.238070][ T73] netlink_unicast+0x449/0x710 [ 2206.238070][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.238070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.238070][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.238070][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.238070][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.238070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.238070][ T73] [ 2206.240341][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.240341][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.240341][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.240341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.240341][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2206.240341][ T73] ipv6_add_addr+0x411/0x2000 [ 2206.240341][ T73] inet6_addr_add+0x30e/0xa40 [ 2206.240341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.240341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.240341][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.240341][ T73] netlink_unicast+0x449/0x710 [ 2206.240341][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.240341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.240341][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.240341][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.240341][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.240341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.240341][ T73] [ 2206.242620][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.242620][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.242620][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.242620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.242620][ T73] ip6_route_add+0x1c/0x140 [ 2206.242620][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.242620][ T73] addrconf_add_dev+0xe2/0x170 [ 2206.242620][ T73] inet6_addr_add+0x12f/0xa40 [ 2206.242620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.242620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.242620][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.242620][ T73] netlink_unicast+0x449/0x710 [ 2206.242620][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.242620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.242620][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.242620][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.242620][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.242620][ T73] [ 2206.244835][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.244835][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2206.244835][ T73] ipv6_find_idev+0x102/0x170 [ 2206.244835][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.244835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.244835][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.244835][ T73] netlink_unicast+0x449/0x710 [ 2206.244835][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.244835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.244835][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.244835][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.244835][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.244835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.244835][ T73] [ 2206.246563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2206.246563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2206.246563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2206.246563][ T73] ipv6_find_idev+0x102/0x170 [ 2206.246563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.246563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.246563][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.246563][ T73] netlink_unicast+0x449/0x710 [ 2206.246563][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.246563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.246563][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.246563][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.246563][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.246563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.246563][ T73] [ 2206.248508][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2206.248788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2206.248788][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.248788][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.248788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.248788][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2206.248788][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2206.248788][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2206.248788][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2206.248788][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2206.248788][ T73] addrconf_dad_begin+0x310/0x670 [ 2206.248788][ T73] addrconf_dad_work+0x10b/0xab0 [ 2206.248788][ T73] process_one_work+0x84d/0x18a0 [ 2206.248788][ T73] worker_thread+0x587/0xd30 [ 2206.248788][ T73] kthread+0x28a/0x350 [ 2206.248788][ T73] ret_from_fork+0x31/0x70 [ 2206.248788][ T73] ret_from_fork_asm+0x1a/0x30 [ 2206.248788][ T73] [ 2206.250964][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2206.250964][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.250964][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.250964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.250964][ T73] ip6_route_add+0x1c/0x140 [ 2206.250964][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2206.250964][ T73] inet6_addr_add+0x4f8/0xa40 [ 2206.250964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.250964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.250964][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.250964][ T73] netlink_unicast+0x449/0x710 [ 2206.250964][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.250964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.250964][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.250964][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.250964][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.250964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.250964][ T73] [ 2206.253217][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2206.253217][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.253217][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.253217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.253217][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2206.253217][ T73] ipv6_add_addr+0x411/0x2000 [ 2206.253217][ T73] inet6_addr_add+0x30e/0xa40 [ 2206.253217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.253217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.253217][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.253217][ T73] netlink_unicast+0x449/0x710 [ 2206.253217][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.253217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.253217][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.253217][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.253217][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.253217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.253217][ T73] [ 2206.255491][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2206.255491][ T73] netdev_get_by_index+0x5e/0x80 [ 2206.255491][ T73] fib6_nh_init+0x3d8/0x1580 [ 2206.255491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2206.255491][ T73] ip6_route_add+0x1c/0x140 [ 2206.255491][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.255491][ T73] addrconf_add_dev+0xe2/0x170 [ 2206.255491][ T73] inet6_addr_add+0x12f/0xa40 [ 2206.255491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.255491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.255491][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.255491][ T73] netlink_unicast+0x449/0x710 [ 2206.255491][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.255491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.255491][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.255491][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.255491][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.255491][ T73] [ 2206.257805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2206.257805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2206.257805][ T73] ipv6_find_idev+0x102/0x170 [ 2206.257805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.257805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.257805][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.257805][ T73] netlink_unicast+0x449/0x710 [ 2206.257805][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.257805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.257805][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.257805][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.257805][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.257805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.257805][ T73] [ 2206.259538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2206.259538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2206.259538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2206.259538][ T73] ipv6_find_idev+0x102/0x170 [ 2206.259538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.259538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.259538][ T73] netlink_rcv_skb+0x130/0x360 [ 2206.259538][ T73] netlink_unicast+0x449/0x710 [ 2206.259538][ T73] netlink_sendmsg+0x723/0xbe0 [ 2206.259538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2206.259538][ T73] ___sys_sendmsg+0xee/0x170 [ 2206.259538][ T73] __sys_sendmsg+0xcd/0x170 [ 2206.259538][ T73] do_syscall_64+0xc6/0x1e0 [ 2206.259538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.259538][ T73] [ 2216.446894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2216.447359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.447359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2216.447359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2216.447359][ T73] fib6_nh_init+0xa22/0x1580 [ 2216.447359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.447359][ T73] ip6_route_add+0x1c/0x140 [ 2216.447359][ T73] inet6_rtm_newroute+0x104/0x110 [ 2216.447359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.447359][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.447359][ T73] netlink_unicast+0x449/0x710 [ 2216.447359][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.447359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.447359][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.447359][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.447359][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.447359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.447359][ T73] [ 2216.449383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.449383][ T73] dst_init+0x84/0x4a0 [ 2216.449383][ T73] dst_alloc+0x97/0x150 [ 2216.449383][ T73] ip6_dst_alloc+0x23/0x90 [ 2216.449383][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2216.449383][ T73] ip6_pol_route+0x56f/0x840 [ 2216.449383][ T73] fib6_rule_lookup+0x456/0x630 [ 2216.449383][ T73] ip6_route_input+0x59c/0xa50 [ 2216.449383][ T73] ipv6_rcv+0x397/0x810 [ 2216.449383][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2216.449383][ T73] process_backlog+0x101/0x620 [ 2216.449383][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2216.449383][ T73] net_rx_action+0x495/0xbe0 [ 2216.449383][ T73] __do_softirq+0x1b5/0x7f6 [ 2216.449383][ T73] [ 2216.451207][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.451207][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.451207][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.451207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.451207][ T73] ip6_route_add+0x1c/0x140 [ 2216.451207][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2216.451207][ T73] inet6_addr_add+0x4f8/0xa40 [ 2216.451207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.451207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.451207][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.451207][ T73] netlink_unicast+0x449/0x710 [ 2216.451207][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.451207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.451207][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.451207][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.451207][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.451207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.451207][ T73] [ 2216.453372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.453372][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.453372][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.453372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.453372][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2216.453372][ T73] ipv6_add_addr+0x411/0x2000 [ 2216.453372][ T73] inet6_addr_add+0x30e/0xa40 [ 2216.453372][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.453372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.453372][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.453372][ T73] netlink_unicast+0x449/0x710 [ 2216.453372][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.453372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.453372][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.453372][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.453372][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.453372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.453372][ T73] [ 2216.455555][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.455555][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.455555][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.455555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.455555][ T73] ip6_route_add+0x1c/0x140 [ 2216.455555][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.455555][ T73] addrconf_add_dev+0xe2/0x170 [ 2216.455555][ T73] inet6_addr_add+0x12f/0xa40 [ 2216.455555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.455555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.455555][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.455555][ T73] netlink_unicast+0x449/0x710 [ 2216.455555][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.455555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.455555][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.455555][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.455555][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.455555][ T73] [ 2216.457699][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.457699][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2216.457699][ T73] ipv6_find_idev+0x102/0x170 [ 2216.457699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.457699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.457699][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.457699][ T73] netlink_unicast+0x449/0x710 [ 2216.457699][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.457699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.457699][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.457699][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.457699][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.457699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.457699][ T73] [ 2216.459903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2216.459903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2216.459903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2216.459903][ T73] ipv6_find_idev+0x102/0x170 [ 2216.459903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.459903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.459903][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.459903][ T73] netlink_unicast+0x449/0x710 [ 2216.459903][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.459903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.459903][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.459903][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.459903][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.459903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.459903][ T73] [ 2216.461741][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2216.462051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.462051][ T73] dst_init+0x84/0x4a0 [ 2216.462051][ T73] dst_alloc+0x97/0x150 [ 2216.462051][ T73] ip6_dst_alloc+0x23/0x90 [ 2216.462051][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2216.462051][ T73] ip6_pol_route+0x56f/0x840 [ 2216.462051][ T73] fib6_rule_lookup+0x456/0x630 [ 2216.462051][ T73] ip6_route_input+0x59c/0xa50 [ 2216.462051][ T73] ipv6_rcv+0x397/0x810 [ 2216.462051][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2216.462051][ T73] process_backlog+0x101/0x620 [ 2216.462051][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2216.462051][ T73] net_rx_action+0x495/0xbe0 [ 2216.462051][ T73] __do_softirq+0x1b5/0x7f6 [ 2216.462051][ T73] [ 2216.463833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.463833][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.463833][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.463833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.463833][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2216.463833][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2216.463833][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2216.463833][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2216.463833][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2216.463833][ T73] addrconf_dad_begin+0x310/0x670 [ 2216.463833][ T73] addrconf_dad_work+0x10b/0xab0 [ 2216.463833][ T73] process_one_work+0x84d/0x18a0 [ 2216.463833][ T73] worker_thread+0x587/0xd30 [ 2216.463833][ T73] kthread+0x28a/0x350 [ 2216.463833][ T73] ret_from_fork+0x31/0x70 [ 2216.463833][ T73] ret_from_fork_asm+0x1a/0x30 [ 2216.463833][ T73] [ 2216.465902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.465902][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.465902][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.465902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.465902][ T73] ip6_route_add+0x1c/0x140 [ 2216.465902][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2216.465902][ T73] inet6_addr_add+0x4f8/0xa40 [ 2216.465902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.465902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.465902][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.465902][ T73] netlink_unicast+0x449/0x710 [ 2216.465902][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.465902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.465902][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.465902][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.465902][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.465902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.465902][ T73] [ 2216.468070][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.468070][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.468070][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.468070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.468070][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2216.468070][ T73] ipv6_add_addr+0x411/0x2000 [ 2216.468070][ T73] inet6_addr_add+0x30e/0xa40 [ 2216.468070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.468070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.468070][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.468070][ T73] netlink_unicast+0x449/0x710 [ 2216.468070][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.468070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.468070][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.468070][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.468070][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.468070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.468070][ T73] [ 2216.470223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.470223][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.470223][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.470223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.470223][ T73] ip6_route_add+0x1c/0x140 [ 2216.470223][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.470223][ T73] addrconf_add_dev+0xe2/0x170 [ 2216.470223][ T73] inet6_addr_add+0x12f/0xa40 [ 2216.470223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.470223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.470223][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.470223][ T73] netlink_unicast+0x449/0x710 [ 2216.470223][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.470223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.470223][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.470223][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.470223][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.470223][ T73] [ 2216.472316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.472316][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2216.472316][ T73] ipv6_find_idev+0x102/0x170 [ 2216.472316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.472316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.472316][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.472316][ T73] netlink_unicast+0x449/0x710 [ 2216.472316][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.472316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.472316][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.472316][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.472316][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.472316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.472316][ T73] [ 2216.473995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2216.473995][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2216.473995][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2216.473995][ T73] ipv6_find_idev+0x102/0x170 [ 2216.473995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.473995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.473995][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.473995][ T73] netlink_unicast+0x449/0x710 [ 2216.473995][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.473995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.473995][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.473995][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.473995][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.473995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.473995][ T73] [ 2216.475942][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2216.476227][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.476227][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2216.476227][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2216.476227][ T73] fib6_nh_init+0xa22/0x1580 [ 2216.476227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.476227][ T73] ip6_route_add+0x1c/0x140 [ 2216.476227][ T73] inet6_rtm_newroute+0x104/0x110 [ 2216.476227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.476227][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.476227][ T73] netlink_unicast+0x449/0x710 [ 2216.476227][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.476227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.476227][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.476227][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.476227][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.476227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.476227][ T73] [ 2216.478946][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.478946][ T73] dst_init+0x84/0x4a0 [ 2216.478946][ T73] dst_alloc+0x97/0x150 [ 2216.478946][ T73] ip6_dst_alloc+0x23/0x90 [ 2216.478946][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2216.478946][ T73] ip6_pol_route+0x56f/0x840 [ 2216.478946][ T73] fib6_rule_lookup+0x456/0x630 [ 2216.478946][ T73] ip6_route_input+0x59c/0xa50 [ 2216.478946][ T73] ipv6_rcv+0x397/0x810 [ 2216.478946][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2216.478946][ T73] process_backlog+0x101/0x620 [ 2216.478946][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2216.478946][ T73] net_rx_action+0x495/0xbe0 [ 2216.478946][ T73] __do_softirq+0x1b5/0x7f6 [ 2216.478946][ T73] [ 2216.480989][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.480989][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.480989][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.480989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.480989][ T73] ip6_route_add+0x1c/0x140 [ 2216.480989][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2216.480989][ T73] inet6_addr_add+0x4f8/0xa40 [ 2216.480989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.480989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.480989][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.480989][ T73] netlink_unicast+0x449/0x710 [ 2216.480989][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.480989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.480989][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.480989][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.480989][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.480989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.480989][ T73] [ 2216.483403][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.483403][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.483403][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.483403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.483403][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2216.483403][ T73] ipv6_add_addr+0x411/0x2000 [ 2216.483403][ T73] inet6_addr_add+0x30e/0xa40 [ 2216.483403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.483403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.483403][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.483403][ T73] netlink_unicast+0x449/0x710 [ 2216.483403][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.483403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.483403][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.483403][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.483403][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.483403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.483403][ T73] [ 2216.485811][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.485811][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.485811][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.485811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.485811][ T73] ip6_route_add+0x1c/0x140 [ 2216.485811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.485811][ T73] addrconf_add_dev+0xe2/0x170 [ 2216.485811][ T73] inet6_addr_add+0x12f/0xa40 [ 2216.485811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.485811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.485811][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.485811][ T73] netlink_unicast+0x449/0x710 [ 2216.485811][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.485811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.485811][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.485811][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.485811][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.485811][ T73] [ 2216.488248][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.488248][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2216.488248][ T73] ipv6_find_idev+0x102/0x170 [ 2216.488248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.488248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.488248][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.488248][ T73] netlink_unicast+0x449/0x710 [ 2216.488248][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.488248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.488248][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.488248][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.488248][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.488248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.488248][ T73] [ 2216.490041][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2216.490041][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2216.490041][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2216.490041][ T73] ipv6_find_idev+0x102/0x170 [ 2216.490041][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.490041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.490041][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.490041][ T73] netlink_unicast+0x449/0x710 [ 2216.490041][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.490041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.490041][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.490041][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.490041][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.490041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.490041][ T73] [ 2216.492127][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2216.492420][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2216.492420][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.492420][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.492420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.492420][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2216.492420][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2216.492420][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2216.492420][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2216.492420][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2216.492420][ T73] addrconf_dad_begin+0x310/0x670 [ 2216.492420][ T73] addrconf_dad_work+0x10b/0xab0 [ 2216.492420][ T73] process_one_work+0x84d/0x18a0 [ 2216.492420][ T73] worker_thread+0x587/0xd30 [ 2216.492420][ T73] kthread+0x28a/0x350 [ 2216.492420][ T73] ret_from_fork+0x31/0x70 [ 2216.492420][ T73] ret_from_fork_asm+0x1a/0x30 [ 2216.492420][ T73] [ 2216.494722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2216.494722][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.494722][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.494722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.494722][ T73] ip6_route_add+0x1c/0x140 [ 2216.494722][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2216.494722][ T73] inet6_addr_add+0x4f8/0xa40 [ 2216.494722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.494722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.494722][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.494722][ T73] netlink_unicast+0x449/0x710 [ 2216.494722][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.494722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.494722][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.494722][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.494722][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.494722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.494722][ T73] [ 2216.497123][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2216.497123][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.497123][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.497123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.497123][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2216.497123][ T73] ipv6_add_addr+0x411/0x2000 [ 2216.497123][ T73] inet6_addr_add+0x30e/0xa40 [ 2216.497123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.497123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.497123][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.497123][ T73] netlink_unicast+0x449/0x710 [ 2216.497123][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.497123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.497123][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.497123][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.497123][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.497123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.497123][ T73] [ 2216.499497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2216.499497][ T73] netdev_get_by_index+0x5e/0x80 [ 2216.499497][ T73] fib6_nh_init+0x3d8/0x1580 [ 2216.499497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2216.499497][ T73] ip6_route_add+0x1c/0x140 [ 2216.499497][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.499497][ T73] addrconf_add_dev+0xe2/0x170 [ 2216.499497][ T73] inet6_addr_add+0x12f/0xa40 [ 2216.499497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.499497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.499497][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.499497][ T73] netlink_unicast+0x449/0x710 [ 2216.499497][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.499497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.499497][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.499497][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.499497][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.499497][ T73] [ 2216.501834][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2216.501834][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2216.501834][ T73] ipv6_find_idev+0x102/0x170 [ 2216.501834][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.501834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.501834][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.501834][ T73] netlink_unicast+0x449/0x710 [ 2216.501834][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.501834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.501834][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.501834][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.501834][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.501834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.501834][ T73] [ 2216.503545][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2216.503545][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2216.503545][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2216.503545][ T73] ipv6_find_idev+0x102/0x170 [ 2216.503545][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.503545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.503545][ T73] netlink_rcv_skb+0x130/0x360 [ 2216.503545][ T73] netlink_unicast+0x449/0x710 [ 2216.503545][ T73] netlink_sendmsg+0x723/0xbe0 [ 2216.503545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2216.503545][ T73] ___sys_sendmsg+0xee/0x170 [ 2216.503545][ T73] __sys_sendmsg+0xcd/0x170 [ 2216.503545][ T73] do_syscall_64+0xc6/0x1e0 [ 2216.503545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.503545][ T73] [ 2226.839040][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2226.839482][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.839482][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2226.839482][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2226.839482][ T73] fib6_nh_init+0xa22/0x1580 [ 2226.839482][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.839482][ T73] ip6_route_add+0x1c/0x140 [ 2226.839482][ T73] inet6_rtm_newroute+0x104/0x110 [ 2226.839482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.839482][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.839482][ T73] netlink_unicast+0x449/0x710 [ 2226.839482][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.839482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.839482][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.839482][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.839482][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.839482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.839482][ T73] [ 2226.841408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.841408][ T73] dst_init+0x84/0x4a0 [ 2226.841408][ T73] dst_alloc+0x97/0x150 [ 2226.841408][ T73] ip6_dst_alloc+0x23/0x90 [ 2226.841408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2226.841408][ T73] ip6_pol_route+0x56f/0x840 [ 2226.841408][ T73] fib6_rule_lookup+0x456/0x630 [ 2226.841408][ T73] ip6_route_input+0x59c/0xa50 [ 2226.841408][ T73] ipv6_rcv+0x397/0x810 [ 2226.841408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2226.841408][ T73] process_backlog+0x101/0x620 [ 2226.841408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2226.841408][ T73] net_rx_action+0x495/0xbe0 [ 2226.841408][ T73] __do_softirq+0x1b5/0x7f6 [ 2226.841408][ T73] [ 2226.843061][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.843061][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.843061][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.843061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.843061][ T73] ip6_route_add+0x1c/0x140 [ 2226.843061][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2226.843061][ T73] inet6_addr_add+0x4f8/0xa40 [ 2226.843061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.843061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.843061][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.843061][ T73] netlink_unicast+0x449/0x710 [ 2226.843061][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.843061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.843061][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.843061][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.843061][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.843061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.843061][ T73] [ 2226.845101][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.845101][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.845101][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.845101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.845101][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2226.845101][ T73] ipv6_add_addr+0x411/0x2000 [ 2226.845101][ T73] inet6_addr_add+0x30e/0xa40 [ 2226.845101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.845101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.845101][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.845101][ T73] netlink_unicast+0x449/0x710 [ 2226.845101][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.845101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.845101][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.845101][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.845101][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.845101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.845101][ T73] [ 2226.847113][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.847113][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.847113][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.847113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.847113][ T73] ip6_route_add+0x1c/0x140 [ 2226.847113][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.847113][ T73] addrconf_add_dev+0xe2/0x170 [ 2226.847113][ T73] inet6_addr_add+0x12f/0xa40 [ 2226.847113][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.847113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.847113][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.847113][ T73] netlink_unicast+0x449/0x710 [ 2226.847113][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.847113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.847113][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.847113][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.847113][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.847113][ T73] [ 2226.849095][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.849095][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2226.849095][ T73] ipv6_find_idev+0x102/0x170 [ 2226.849095][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.849095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.849095][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.849095][ T73] netlink_unicast+0x449/0x710 [ 2226.849095][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.849095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.849095][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.849095][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.849095][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.849095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.849095][ T73] [ 2226.850654][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2226.850654][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2226.850654][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2226.850654][ T73] ipv6_find_idev+0x102/0x170 [ 2226.850654][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.850654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.850654][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.850654][ T73] netlink_unicast+0x449/0x710 [ 2226.850654][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.850654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.850654][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.850654][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.850654][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.850654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.850654][ T73] [ 2226.852434][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2226.852712][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.852712][ T73] dst_init+0x84/0x4a0 [ 2226.852712][ T73] dst_alloc+0x97/0x150 [ 2226.852712][ T73] ip6_dst_alloc+0x23/0x90 [ 2226.852712][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2226.852712][ T73] ip6_pol_route+0x56f/0x840 [ 2226.852712][ T73] fib6_rule_lookup+0x456/0x630 [ 2226.852712][ T73] ip6_route_input+0x59c/0xa50 [ 2226.852712][ T73] ipv6_rcv+0x397/0x810 [ 2226.852712][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2226.852712][ T73] process_backlog+0x101/0x620 [ 2226.852712][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2226.852712][ T73] net_rx_action+0x495/0xbe0 [ 2226.852712][ T73] __do_softirq+0x1b5/0x7f6 [ 2226.852712][ T73] [ 2226.854368][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.854368][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.854368][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.854368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.854368][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2226.854368][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2226.854368][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2226.854368][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2226.854368][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2226.854368][ T73] addrconf_dad_begin+0x310/0x670 [ 2226.854368][ T73] addrconf_dad_work+0x10b/0xab0 [ 2226.854368][ T73] process_one_work+0x84d/0x18a0 [ 2226.854368][ T73] worker_thread+0x587/0xd30 [ 2226.854368][ T73] kthread+0x28a/0x350 [ 2226.854368][ T73] ret_from_fork+0x31/0x70 [ 2226.854368][ T73] ret_from_fork_asm+0x1a/0x30 [ 2226.854368][ T73] [ 2226.856417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.856417][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.856417][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.856417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.856417][ T73] ip6_route_add+0x1c/0x140 [ 2226.856417][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2226.856417][ T73] inet6_addr_add+0x4f8/0xa40 [ 2226.856417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.856417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.856417][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.856417][ T73] netlink_unicast+0x449/0x710 [ 2226.856417][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.856417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.856417][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.856417][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.856417][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.856417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.856417][ T73] [ 2226.858445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.858445][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.858445][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.858445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.858445][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2226.858445][ T73] ipv6_add_addr+0x411/0x2000 [ 2226.858445][ T73] inet6_addr_add+0x30e/0xa40 [ 2226.858445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.858445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.858445][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.858445][ T73] netlink_unicast+0x449/0x710 [ 2226.858445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.858445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.858445][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.858445][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.858445][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.858445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.858445][ T73] [ 2226.860505][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.860505][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.860505][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.860505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.860505][ T73] ip6_route_add+0x1c/0x140 [ 2226.860505][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.860505][ T73] addrconf_add_dev+0xe2/0x170 [ 2226.860505][ T73] inet6_addr_add+0x12f/0xa40 [ 2226.860505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.860505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.860505][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.860505][ T73] netlink_unicast+0x449/0x710 [ 2226.860505][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.860505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.860505][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.860505][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.860505][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.860505][ T73] [ 2226.862511][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.862511][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2226.862511][ T73] ipv6_find_idev+0x102/0x170 [ 2226.862511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.862511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.862511][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.862511][ T73] netlink_unicast+0x449/0x710 [ 2226.862511][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.862511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.862511][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.862511][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.862511][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.862511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.862511][ T73] [ 2226.864056][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2226.864056][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2226.864056][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2226.864056][ T73] ipv6_find_idev+0x102/0x170 [ 2226.864056][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.864056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.864056][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.864056][ T73] netlink_unicast+0x449/0x710 [ 2226.864056][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.864056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.864056][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.864056][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.864056][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.864056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.864056][ T73] [ 2226.865891][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2226.866165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.866165][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2226.866165][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2226.866165][ T73] fib6_nh_init+0xa22/0x1580 [ 2226.866165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.866165][ T73] ip6_route_add+0x1c/0x140 [ 2226.866165][ T73] inet6_rtm_newroute+0x104/0x110 [ 2226.866165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.866165][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.866165][ T73] netlink_unicast+0x449/0x710 [ 2226.866165][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.866165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.866165][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.866165][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.866165][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.866165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.866165][ T73] [ 2226.868366][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.868366][ T73] dst_init+0x84/0x4a0 [ 2226.868366][ T73] dst_alloc+0x97/0x150 [ 2226.868366][ T73] ip6_dst_alloc+0x23/0x90 [ 2226.868366][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2226.868366][ T73] ip6_pol_route+0x56f/0x840 [ 2226.868366][ T73] fib6_rule_lookup+0x456/0x630 [ 2226.868366][ T73] ip6_route_input+0x59c/0xa50 [ 2226.868366][ T73] ipv6_rcv+0x397/0x810 [ 2226.868366][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2226.868366][ T73] process_backlog+0x101/0x620 [ 2226.868366][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2226.868366][ T73] net_rx_action+0x495/0xbe0 [ 2226.868366][ T73] __do_softirq+0x1b5/0x7f6 [ 2226.868366][ T73] [ 2226.870196][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.870196][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.870196][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.870196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.870196][ T73] ip6_route_add+0x1c/0x140 [ 2226.870196][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2226.870196][ T73] inet6_addr_add+0x4f8/0xa40 [ 2226.870196][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.870196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.870196][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.870196][ T73] netlink_unicast+0x449/0x710 [ 2226.870196][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.870196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.870196][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.870196][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.870196][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.870196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.870196][ T73] [ 2226.872449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.872449][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.872449][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.872449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.872449][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2226.872449][ T73] ipv6_add_addr+0x411/0x2000 [ 2226.872449][ T73] inet6_addr_add+0x30e/0xa40 [ 2226.872449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.872449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.872449][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.872449][ T73] netlink_unicast+0x449/0x710 [ 2226.872449][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.872449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.872449][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.872449][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.872449][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.872449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.872449][ T73] [ 2226.874698][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.874698][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.874698][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.874698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.874698][ T73] ip6_route_add+0x1c/0x140 [ 2226.874698][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.874698][ T73] addrconf_add_dev+0xe2/0x170 [ 2226.874698][ T73] inet6_addr_add+0x12f/0xa40 [ 2226.874698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.874698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.874698][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.874698][ T73] netlink_unicast+0x449/0x710 [ 2226.874698][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.874698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.874698][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.874698][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.874698][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.874698][ T73] [ 2226.876912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.876912][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2226.876912][ T73] ipv6_find_idev+0x102/0x170 [ 2226.876912][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.876912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.876912][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.876912][ T73] netlink_unicast+0x449/0x710 [ 2226.876912][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.876912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.876912][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.876912][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.876912][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.876912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.876912][ T73] [ 2226.878644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2226.878644][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2226.878644][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2226.878644][ T73] ipv6_find_idev+0x102/0x170 [ 2226.878644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.878644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.878644][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.878644][ T73] netlink_unicast+0x449/0x710 [ 2226.878644][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.878644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.878644][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.878644][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.878644][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.878644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.878644][ T73] [ 2226.880612][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2226.881330][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2226.881330][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.881330][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.881330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.881330][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2226.881330][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2226.881330][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2226.881330][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2226.881330][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2226.881330][ T73] addrconf_dad_begin+0x310/0x670 [ 2226.881330][ T73] addrconf_dad_work+0x10b/0xab0 [ 2226.881330][ T73] process_one_work+0x84d/0x18a0 [ 2226.881330][ T73] worker_thread+0x587/0xd30 [ 2226.881330][ T73] kthread+0x28a/0x350 [ 2226.881330][ T73] ret_from_fork+0x31/0x70 [ 2226.881330][ T73] ret_from_fork_asm+0x1a/0x30 [ 2226.881330][ T73] [ 2226.883260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2226.883260][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.883260][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.883260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.883260][ T73] ip6_route_add+0x1c/0x140 [ 2226.883260][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2226.883260][ T73] inet6_addr_add+0x4f8/0xa40 [ 2226.883260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.883260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.883260][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.883260][ T73] netlink_unicast+0x449/0x710 [ 2226.883260][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.883260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.883260][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.883260][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.883260][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.883260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.883260][ T73] [ 2226.885400][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2226.885400][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.885400][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.885400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.885400][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2226.885400][ T73] ipv6_add_addr+0x411/0x2000 [ 2226.885400][ T73] inet6_addr_add+0x30e/0xa40 [ 2226.885400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.885400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.885400][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.885400][ T73] netlink_unicast+0x449/0x710 [ 2226.885400][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.885400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.885400][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.885400][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.885400][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.885400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.885400][ T73] [ 2226.887651][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2226.887651][ T73] netdev_get_by_index+0x5e/0x80 [ 2226.887651][ T73] fib6_nh_init+0x3d8/0x1580 [ 2226.887651][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2226.887651][ T73] ip6_route_add+0x1c/0x140 [ 2226.887651][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.887651][ T73] addrconf_add_dev+0xe2/0x170 [ 2226.887651][ T73] inet6_addr_add+0x12f/0xa40 [ 2226.887651][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.887651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.887651][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.887651][ T73] netlink_unicast+0x449/0x710 [ 2226.887651][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.887651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.887651][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.887651][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.887651][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.887651][ T73] [ 2226.889867][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2226.889867][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2226.889867][ T73] ipv6_find_idev+0x102/0x170 [ 2226.889867][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.889867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.889867][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.889867][ T73] netlink_unicast+0x449/0x710 [ 2226.889867][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.889867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.889867][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.889867][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.889867][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.889867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.889867][ T73] [ 2226.891609][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2226.891609][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2226.891609][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2226.891609][ T73] ipv6_find_idev+0x102/0x170 [ 2226.891609][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.891609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.891609][ T73] netlink_rcv_skb+0x130/0x360 [ 2226.891609][ T73] netlink_unicast+0x449/0x710 [ 2226.891609][ T73] netlink_sendmsg+0x723/0xbe0 [ 2226.891609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2226.891609][ T73] ___sys_sendmsg+0xee/0x170 [ 2226.891609][ T73] __sys_sendmsg+0xcd/0x170 [ 2226.891609][ T73] do_syscall_64+0xc6/0x1e0 [ 2226.891609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.891609][ T73] [ 2237.142893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2237.143410][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.143410][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2237.143410][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2237.143410][ T73] fib6_nh_init+0xa22/0x1580 [ 2237.143410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.143410][ T73] ip6_route_add+0x1c/0x140 [ 2237.143410][ T73] inet6_rtm_newroute+0x104/0x110 [ 2237.143410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.143410][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.143410][ T73] netlink_unicast+0x449/0x710 [ 2237.143410][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.143410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.143410][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.143410][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.143410][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.143410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.143410][ T73] [ 2237.145308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.145308][ T73] dst_init+0x84/0x4a0 [ 2237.145308][ T73] dst_alloc+0x97/0x150 [ 2237.145308][ T73] ip6_dst_alloc+0x23/0x90 [ 2237.145308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.145308][ T73] ip6_pol_route+0x56f/0x840 [ 2237.145308][ T73] fib6_rule_lookup+0x456/0x630 [ 2237.145308][ T73] ip6_route_input+0x59c/0xa50 [ 2237.145308][ T73] ipv6_rcv+0x397/0x810 [ 2237.145308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.145308][ T73] process_backlog+0x101/0x620 [ 2237.145308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2237.145308][ T73] net_rx_action+0x495/0xbe0 [ 2237.145308][ T73] __do_softirq+0x1b5/0x7f6 [ 2237.145308][ T73] [ 2237.146981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.146981][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.146981][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.146981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.146981][ T73] ip6_route_add+0x1c/0x140 [ 2237.146981][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2237.146981][ T73] inet6_addr_add+0x4f8/0xa40 [ 2237.146981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.146981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.146981][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.146981][ T73] netlink_unicast+0x449/0x710 [ 2237.146981][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.146981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.146981][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.146981][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.146981][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.146981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.146981][ T73] [ 2237.149120][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.149120][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.149120][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.149120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.149120][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2237.149120][ T73] ipv6_add_addr+0x411/0x2000 [ 2237.149120][ T73] inet6_addr_add+0x30e/0xa40 [ 2237.149120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.149120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.149120][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.149120][ T73] netlink_unicast+0x449/0x710 [ 2237.149120][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.149120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.149120][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.149120][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.149120][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.149120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.149120][ T73] [ 2237.151174][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.151174][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.151174][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.151174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.151174][ T73] ip6_route_add+0x1c/0x140 [ 2237.151174][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.151174][ T73] addrconf_add_dev+0xe2/0x170 [ 2237.151174][ T73] inet6_addr_add+0x12f/0xa40 [ 2237.151174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.151174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.151174][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.151174][ T73] netlink_unicast+0x449/0x710 [ 2237.151174][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.151174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.151174][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.151174][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.151174][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.151174][ T73] [ 2237.153140][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.153140][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2237.153140][ T73] ipv6_find_idev+0x102/0x170 [ 2237.153140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.153140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.153140][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.153140][ T73] netlink_unicast+0x449/0x710 [ 2237.153140][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.153140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.153140][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.153140][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.153140][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.153140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.153140][ T73] [ 2237.154736][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2237.154736][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2237.154736][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2237.154736][ T73] ipv6_find_idev+0x102/0x170 [ 2237.154736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.154736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.154736][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.154736][ T73] netlink_unicast+0x449/0x710 [ 2237.154736][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.154736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.154736][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.154736][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.154736][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.154736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.154736][ T73] [ 2237.156455][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2237.156736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.156736][ T73] dst_init+0x84/0x4a0 [ 2237.156736][ T73] dst_alloc+0x97/0x150 [ 2237.156736][ T73] ip6_dst_alloc+0x23/0x90 [ 2237.156736][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.156736][ T73] ip6_pol_route+0x56f/0x840 [ 2237.156736][ T73] fib6_rule_lookup+0x456/0x630 [ 2237.156736][ T73] ip6_route_input+0x59c/0xa50 [ 2237.156736][ T73] ipv6_rcv+0x397/0x810 [ 2237.156736][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.156736][ T73] process_backlog+0x101/0x620 [ 2237.156736][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2237.156736][ T73] net_rx_action+0x495/0xbe0 [ 2237.156736][ T73] __do_softirq+0x1b5/0x7f6 [ 2237.156736][ T73] [ 2237.158396][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.158396][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.158396][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.158396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.158396][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2237.158396][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.158396][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2237.158396][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.158396][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2237.158396][ T73] addrconf_dad_begin+0x310/0x670 [ 2237.158396][ T73] addrconf_dad_work+0x10b/0xab0 [ 2237.158396][ T73] process_one_work+0x84d/0x18a0 [ 2237.158396][ T73] worker_thread+0x587/0xd30 [ 2237.158396][ T73] kthread+0x28a/0x350 [ 2237.158396][ T73] ret_from_fork+0x31/0x70 [ 2237.158396][ T73] ret_from_fork_asm+0x1a/0x30 [ 2237.158396][ T73] [ 2237.160350][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.160350][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.160350][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.160350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.160350][ T73] ip6_route_add+0x1c/0x140 [ 2237.160350][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2237.160350][ T73] inet6_addr_add+0x4f8/0xa40 [ 2237.160350][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.160350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.160350][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.160350][ T73] netlink_unicast+0x449/0x710 [ 2237.160350][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.160350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.160350][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.160350][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.160350][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.160350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.160350][ T73] [ 2237.162355][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.162355][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.162355][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.162355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.162355][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2237.162355][ T73] ipv6_add_addr+0x411/0x2000 [ 2237.162355][ T73] inet6_addr_add+0x30e/0xa40 [ 2237.162355][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.162355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.162355][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.162355][ T73] netlink_unicast+0x449/0x710 [ 2237.162355][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.162355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.162355][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.162355][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.162355][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.162355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.162355][ T73] [ 2237.164378][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.164378][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.164378][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.164378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.164378][ T73] ip6_route_add+0x1c/0x140 [ 2237.164378][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.164378][ T73] addrconf_add_dev+0xe2/0x170 [ 2237.164378][ T73] inet6_addr_add+0x12f/0xa40 [ 2237.164378][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.164378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.164378][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.164378][ T73] netlink_unicast+0x449/0x710 [ 2237.164378][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.164378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.164378][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.164378][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.164378][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.164378][ T73] [ 2237.166353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.166353][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2237.166353][ T73] ipv6_find_idev+0x102/0x170 [ 2237.166353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.166353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.166353][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.166353][ T73] netlink_unicast+0x449/0x710 [ 2237.166353][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.166353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.166353][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.166353][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.166353][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.166353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.166353][ T73] [ 2237.167906][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2237.167906][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2237.167906][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2237.167906][ T73] ipv6_find_idev+0x102/0x170 [ 2237.167906][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.167906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.167906][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.167906][ T73] netlink_unicast+0x449/0x710 [ 2237.167906][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.167906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.167906][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.167906][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.167906][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.167906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.167906][ T73] [ 2237.169670][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2237.169973][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.169973][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2237.169973][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2237.169973][ T73] fib6_nh_init+0xa22/0x1580 [ 2237.169973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.169973][ T73] ip6_route_add+0x1c/0x140 [ 2237.169973][ T73] inet6_rtm_newroute+0x104/0x110 [ 2237.169973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.169973][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.169973][ T73] netlink_unicast+0x449/0x710 [ 2237.169973][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.169973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.169973][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.169973][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.169973][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.169973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.169973][ T73] [ 2237.172117][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.172117][ T73] dst_init+0x84/0x4a0 [ 2237.172117][ T73] dst_alloc+0x97/0x150 [ 2237.172117][ T73] ip6_dst_alloc+0x23/0x90 [ 2237.172117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.172117][ T73] ip6_pol_route+0x56f/0x840 [ 2237.172117][ T73] fib6_rule_lookup+0x456/0x630 [ 2237.172117][ T73] ip6_route_input+0x59c/0xa50 [ 2237.172117][ T73] ipv6_rcv+0x397/0x810 [ 2237.172117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.172117][ T73] process_backlog+0x101/0x620 [ 2237.172117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2237.172117][ T73] net_rx_action+0x495/0xbe0 [ 2237.172117][ T73] __do_softirq+0x1b5/0x7f6 [ 2237.172117][ T73] [ 2237.173894][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.173894][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.173894][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.173894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.173894][ T73] ip6_route_add+0x1c/0x140 [ 2237.173894][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2237.173894][ T73] inet6_addr_add+0x4f8/0xa40 [ 2237.173894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.173894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.173894][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.173894][ T73] netlink_unicast+0x449/0x710 [ 2237.173894][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.173894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.173894][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.173894][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.173894][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.173894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.173894][ T73] [ 2237.176056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.176056][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.176056][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.176056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.176056][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2237.176056][ T73] ipv6_add_addr+0x411/0x2000 [ 2237.176056][ T73] inet6_addr_add+0x30e/0xa40 [ 2237.176056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.176056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.176056][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.176056][ T73] netlink_unicast+0x449/0x710 [ 2237.176056][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.176056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.176056][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.176056][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.176056][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.176056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.176056][ T73] [ 2237.178192][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.178192][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.178192][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.178192][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.178192][ T73] ip6_route_add+0x1c/0x140 [ 2237.178192][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.178192][ T73] addrconf_add_dev+0xe2/0x170 [ 2237.178192][ T73] inet6_addr_add+0x12f/0xa40 [ 2237.178192][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.178192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.178192][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.178192][ T73] netlink_unicast+0x449/0x710 [ 2237.178192][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.178192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.178192][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.178192][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.178192][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.178192][ T73] [ 2237.180336][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.180336][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2237.180336][ T73] ipv6_find_idev+0x102/0x170 [ 2237.180336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.180336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.180336][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.180336][ T73] netlink_unicast+0x449/0x710 [ 2237.180336][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.180336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.180336][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.180336][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.180336][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.180336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.180336][ T73] [ 2237.181978][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2237.181978][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2237.181978][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2237.181978][ T73] ipv6_find_idev+0x102/0x170 [ 2237.181978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.181978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.181978][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.181978][ T73] netlink_unicast+0x449/0x710 [ 2237.181978][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.181978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.181978][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.181978][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.181978][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.181978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.181978][ T73] [ 2237.183870][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2237.184154][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2237.184154][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.184154][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.184154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.184154][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2237.184154][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.184154][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2237.184154][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.184154][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2237.184154][ T73] addrconf_dad_begin+0x310/0x670 [ 2237.184154][ T73] addrconf_dad_work+0x10b/0xab0 [ 2237.184154][ T73] process_one_work+0x84d/0x18a0 [ 2237.184154][ T73] worker_thread+0x587/0xd30 [ 2237.184154][ T73] kthread+0x28a/0x350 [ 2237.184154][ T73] ret_from_fork+0x31/0x70 [ 2237.184154][ T73] ret_from_fork_asm+0x1a/0x30 [ 2237.184154][ T73] [ 2237.186293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2237.186293][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.186293][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.186293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.186293][ T73] ip6_route_add+0x1c/0x140 [ 2237.186293][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2237.186293][ T73] inet6_addr_add+0x4f8/0xa40 [ 2237.186293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.186293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.186293][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.186293][ T73] netlink_unicast+0x449/0x710 [ 2237.186293][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.186293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.186293][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.186293][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.186293][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.186293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.186293][ T73] [ 2237.188451][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2237.188451][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.188451][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.188451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.188451][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2237.188451][ T73] ipv6_add_addr+0x411/0x2000 [ 2237.188451][ T73] inet6_addr_add+0x30e/0xa40 [ 2237.188451][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.188451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.188451][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.188451][ T73] netlink_unicast+0x449/0x710 [ 2237.188451][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.188451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.188451][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.188451][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.188451][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.188451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.188451][ T73] [ 2237.190621][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2237.190621][ T73] netdev_get_by_index+0x5e/0x80 [ 2237.190621][ T73] fib6_nh_init+0x3d8/0x1580 [ 2237.190621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2237.190621][ T73] ip6_route_add+0x1c/0x140 [ 2237.190621][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.190621][ T73] addrconf_add_dev+0xe2/0x170 [ 2237.190621][ T73] inet6_addr_add+0x12f/0xa40 [ 2237.190621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.190621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.190621][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.190621][ T73] netlink_unicast+0x449/0x710 [ 2237.190621][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.190621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.190621][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.190621][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.190621][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.190621][ T73] [ 2237.192739][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2237.192739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2237.192739][ T73] ipv6_find_idev+0x102/0x170 [ 2237.192739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.192739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.192739][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.192739][ T73] netlink_unicast+0x449/0x710 [ 2237.192739][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.192739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.192739][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.192739][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.192739][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.192739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.192739][ T73] [ 2237.194353][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2237.194353][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2237.194353][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2237.194353][ T73] ipv6_find_idev+0x102/0x170 [ 2237.194353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.194353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.194353][ T73] netlink_rcv_skb+0x130/0x360 [ 2237.194353][ T73] netlink_unicast+0x449/0x710 [ 2237.194353][ T73] netlink_sendmsg+0x723/0xbe0 [ 2237.194353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2237.194353][ T73] ___sys_sendmsg+0xee/0x170 [ 2237.194353][ T73] __sys_sendmsg+0xcd/0x170 [ 2237.194353][ T73] do_syscall_64+0xc6/0x1e0 [ 2237.194353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.194353][ T73] [ 2247.446938][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2247.447382][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.447382][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2247.447382][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2247.447382][ T73] fib6_nh_init+0xa22/0x1580 [ 2247.447382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.447382][ T73] ip6_route_add+0x1c/0x140 [ 2247.447382][ T73] inet6_rtm_newroute+0x104/0x110 [ 2247.447382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.447382][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.447382][ T73] netlink_unicast+0x449/0x710 [ 2247.447382][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.447382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.447382][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.447382][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.447382][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.447382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.447382][ T73] [ 2247.449470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.449470][ T73] dst_init+0x84/0x4a0 [ 2247.449470][ T73] dst_alloc+0x97/0x150 [ 2247.449470][ T73] ip6_dst_alloc+0x23/0x90 [ 2247.449470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.449470][ T73] ip6_pol_route+0x56f/0x840 [ 2247.449470][ T73] fib6_rule_lookup+0x456/0x630 [ 2247.449470][ T73] ip6_route_input+0x59c/0xa50 [ 2247.449470][ T73] ipv6_rcv+0x397/0x810 [ 2247.449470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.449470][ T73] process_backlog+0x101/0x620 [ 2247.449470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2247.449470][ T73] net_rx_action+0x495/0xbe0 [ 2247.449470][ T73] __do_softirq+0x1b5/0x7f6 [ 2247.449470][ T73] [ 2247.451237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.451237][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.451237][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.451237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.451237][ T73] ip6_route_add+0x1c/0x140 [ 2247.451237][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2247.451237][ T73] inet6_addr_add+0x4f8/0xa40 [ 2247.451237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.451237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.451237][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.451237][ T73] netlink_unicast+0x449/0x710 [ 2247.451237][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.451237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.451237][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.451237][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.451237][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.451237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.451237][ T73] [ 2247.453400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.453400][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.453400][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.453400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.453400][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2247.453400][ T73] ipv6_add_addr+0x411/0x2000 [ 2247.453400][ T73] inet6_addr_add+0x30e/0xa40 [ 2247.453400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.453400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.453400][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.453400][ T73] netlink_unicast+0x449/0x710 [ 2247.453400][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.453400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.453400][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.453400][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.453400][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.453400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.453400][ T73] [ 2247.455530][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.455530][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.455530][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.455530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.455530][ T73] ip6_route_add+0x1c/0x140 [ 2247.455530][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.455530][ T73] addrconf_add_dev+0xe2/0x170 [ 2247.455530][ T73] inet6_addr_add+0x12f/0xa40 [ 2247.455530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.455530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.455530][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.455530][ T73] netlink_unicast+0x449/0x710 [ 2247.455530][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.455530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.455530][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.455530][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.455530][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.455530][ T73] [ 2247.457655][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.457655][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2247.457655][ T73] ipv6_find_idev+0x102/0x170 [ 2247.457655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.457655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.457655][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.457655][ T73] netlink_unicast+0x449/0x710 [ 2247.457655][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.457655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.457655][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.457655][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.457655][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.457655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.457655][ T73] [ 2247.459425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2247.459425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2247.459425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2247.459425][ T73] ipv6_find_idev+0x102/0x170 [ 2247.459425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.459425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.459425][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.459425][ T73] netlink_unicast+0x449/0x710 [ 2247.459425][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.459425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.459425][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.459425][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.459425][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.459425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.459425][ T73] [ 2247.461118][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2247.461392][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.461392][ T73] dst_init+0x84/0x4a0 [ 2247.461392][ T73] dst_alloc+0x97/0x150 [ 2247.461392][ T73] ip6_dst_alloc+0x23/0x90 [ 2247.461392][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.461392][ T73] ip6_pol_route+0x56f/0x840 [ 2247.461392][ T73] fib6_rule_lookup+0x456/0x630 [ 2247.461392][ T73] ip6_route_input+0x59c/0xa50 [ 2247.461392][ T73] ipv6_rcv+0x397/0x810 [ 2247.461392][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.461392][ T73] process_backlog+0x101/0x620 [ 2247.461392][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2247.461392][ T73] net_rx_action+0x495/0xbe0 [ 2247.461392][ T73] __do_softirq+0x1b5/0x7f6 [ 2247.461392][ T73] [ 2247.463027][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.463027][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.463027][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.463027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.463027][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2247.463027][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.463027][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2247.463027][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.463027][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2247.463027][ T73] addrconf_dad_begin+0x310/0x670 [ 2247.463027][ T73] addrconf_dad_work+0x10b/0xab0 [ 2247.463027][ T73] process_one_work+0x84d/0x18a0 [ 2247.463027][ T73] worker_thread+0x587/0xd30 [ 2247.463027][ T73] kthread+0x28a/0x350 [ 2247.463027][ T73] ret_from_fork+0x31/0x70 [ 2247.463027][ T73] ret_from_fork_asm+0x1a/0x30 [ 2247.463027][ T73] [ 2247.464929][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.464929][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.464929][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.464929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.464929][ T73] ip6_route_add+0x1c/0x140 [ 2247.464929][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2247.464929][ T73] inet6_addr_add+0x4f8/0xa40 [ 2247.464929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.464929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.464929][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.464929][ T73] netlink_unicast+0x449/0x710 [ 2247.464929][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.464929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.464929][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.464929][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.464929][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.464929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.464929][ T73] [ 2247.466918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.466918][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.466918][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.466918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.466918][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2247.466918][ T73] ipv6_add_addr+0x411/0x2000 [ 2247.466918][ T73] inet6_addr_add+0x30e/0xa40 [ 2247.466918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.466918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.466918][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.466918][ T73] netlink_unicast+0x449/0x710 [ 2247.466918][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.466918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.466918][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.466918][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.466918][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.466918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.466918][ T73] [ 2247.468899][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.468899][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.468899][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.468899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.468899][ T73] ip6_route_add+0x1c/0x140 [ 2247.468899][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.468899][ T73] addrconf_add_dev+0xe2/0x170 [ 2247.468899][ T73] inet6_addr_add+0x12f/0xa40 [ 2247.468899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.468899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.468899][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.468899][ T73] netlink_unicast+0x449/0x710 [ 2247.468899][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.468899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.468899][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.468899][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.468899][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.468899][ T73] [ 2247.470846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.470846][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2247.470846][ T73] ipv6_find_idev+0x102/0x170 [ 2247.470846][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.470846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.470846][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.470846][ T73] netlink_unicast+0x449/0x710 [ 2247.470846][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.470846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.470846][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.470846][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.470846][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.470846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.470846][ T73] [ 2247.472426][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2247.472426][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2247.472426][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2247.472426][ T73] ipv6_find_idev+0x102/0x170 [ 2247.472426][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.472426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.472426][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.472426][ T73] netlink_unicast+0x449/0x710 [ 2247.472426][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.472426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.472426][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.472426][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.472426][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.472426][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.472426][ T73] [ 2247.474283][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2247.474626][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.474626][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2247.474626][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2247.474626][ T73] fib6_nh_init+0xa22/0x1580 [ 2247.474626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.474626][ T73] ip6_route_add+0x1c/0x140 [ 2247.474626][ T73] inet6_rtm_newroute+0x104/0x110 [ 2247.474626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.474626][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.474626][ T73] netlink_unicast+0x449/0x710 [ 2247.474626][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.474626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.474626][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.474626][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.474626][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.474626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.474626][ T73] [ 2247.476880][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.476880][ T73] dst_init+0x84/0x4a0 [ 2247.476880][ T73] dst_alloc+0x97/0x150 [ 2247.476880][ T73] ip6_dst_alloc+0x23/0x90 [ 2247.476880][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.476880][ T73] ip6_pol_route+0x56f/0x840 [ 2247.476880][ T73] fib6_rule_lookup+0x456/0x630 [ 2247.476880][ T73] ip6_route_input+0x59c/0xa50 [ 2247.476880][ T73] ipv6_rcv+0x397/0x810 [ 2247.476880][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.476880][ T73] process_backlog+0x101/0x620 [ 2247.476880][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2247.476880][ T73] net_rx_action+0x495/0xbe0 [ 2247.476880][ T73] __do_softirq+0x1b5/0x7f6 [ 2247.476880][ T73] [ 2247.478808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.478808][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.478808][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.478808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.478808][ T73] ip6_route_add+0x1c/0x140 [ 2247.478808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2247.478808][ T73] inet6_addr_add+0x4f8/0xa40 [ 2247.478808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.478808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.478808][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.478808][ T73] netlink_unicast+0x449/0x710 [ 2247.478808][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.478808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.478808][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.478808][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.478808][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.478808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.478808][ T73] [ 2247.481226][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.481226][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.481226][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.481226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.481226][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2247.481226][ T73] ipv6_add_addr+0x411/0x2000 [ 2247.481226][ T73] inet6_addr_add+0x30e/0xa40 [ 2247.481226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.481226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.481226][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.481226][ T73] netlink_unicast+0x449/0x710 [ 2247.481226][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.481226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.481226][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.481226][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.481226][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.481226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.481226][ T73] [ 2247.483581][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.483581][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.483581][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.483581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.483581][ T73] ip6_route_add+0x1c/0x140 [ 2247.483581][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.483581][ T73] addrconf_add_dev+0xe2/0x170 [ 2247.483581][ T73] inet6_addr_add+0x12f/0xa40 [ 2247.483581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.483581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.483581][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.483581][ T73] netlink_unicast+0x449/0x710 [ 2247.483581][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.483581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.483581][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.483581][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.483581][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.483581][ T73] [ 2247.486008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.486008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2247.486008][ T73] ipv6_find_idev+0x102/0x170 [ 2247.486008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.486008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.486008][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.486008][ T73] netlink_unicast+0x449/0x710 [ 2247.486008][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.486008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.486008][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.486008][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.486008][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.486008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.486008][ T73] [ 2247.487857][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2247.487857][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2247.487857][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2247.487857][ T73] ipv6_find_idev+0x102/0x170 [ 2247.487857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.487857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.487857][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.487857][ T73] netlink_unicast+0x449/0x710 [ 2247.487857][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.487857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.487857][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.487857][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.487857][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.487857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.487857][ T73] [ 2247.489865][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2247.490164][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2247.490164][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.490164][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.490164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.490164][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2247.490164][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.490164][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2247.490164][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.490164][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2247.490164][ T73] addrconf_dad_begin+0x310/0x670 [ 2247.490164][ T73] addrconf_dad_work+0x10b/0xab0 [ 2247.490164][ T73] process_one_work+0x84d/0x18a0 [ 2247.490164][ T73] worker_thread+0x587/0xd30 [ 2247.490164][ T73] kthread+0x28a/0x350 [ 2247.490164][ T73] ret_from_fork+0x31/0x70 [ 2247.490164][ T73] ret_from_fork_asm+0x1a/0x30 [ 2247.490164][ T73] [ 2247.492489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2247.492489][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.492489][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.492489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.492489][ T73] ip6_route_add+0x1c/0x140 [ 2247.492489][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2247.492489][ T73] inet6_addr_add+0x4f8/0xa40 [ 2247.492489][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.492489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.492489][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.492489][ T73] netlink_unicast+0x449/0x710 [ 2247.492489][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.492489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.492489][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.492489][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.492489][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.492489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.492489][ T73] [ 2247.494918][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2247.494918][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.494918][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.494918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.494918][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2247.494918][ T73] ipv6_add_addr+0x411/0x2000 [ 2247.494918][ T73] inet6_addr_add+0x30e/0xa40 [ 2247.494918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.494918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.494918][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.494918][ T73] netlink_unicast+0x449/0x710 [ 2247.494918][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.494918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.494918][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.494918][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.494918][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.494918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.494918][ T73] [ 2247.497336][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2247.497336][ T73] netdev_get_by_index+0x5e/0x80 [ 2247.497336][ T73] fib6_nh_init+0x3d8/0x1580 [ 2247.497336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2247.497336][ T73] ip6_route_add+0x1c/0x140 [ 2247.497336][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.497336][ T73] addrconf_add_dev+0xe2/0x170 [ 2247.497336][ T73] inet6_addr_add+0x12f/0xa40 [ 2247.497336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.497336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.497336][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.497336][ T73] netlink_unicast+0x449/0x710 [ 2247.497336][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.497336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.497336][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.497336][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.497336][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.497336][ T73] [ 2247.499471][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2247.499471][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2247.499471][ T73] ipv6_find_idev+0x102/0x170 [ 2247.499471][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.499471][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.499471][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.499471][ T73] netlink_unicast+0x449/0x710 [ 2247.499471][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.499471][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.499471][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.499471][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.499471][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.499471][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.499471][ T73] [ 2247.501190][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2247.501190][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2247.501190][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2247.501190][ T73] ipv6_find_idev+0x102/0x170 [ 2247.501190][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.501190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.501190][ T73] netlink_rcv_skb+0x130/0x360 [ 2247.501190][ T73] netlink_unicast+0x449/0x710 [ 2247.501190][ T73] netlink_sendmsg+0x723/0xbe0 [ 2247.501190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2247.501190][ T73] ___sys_sendmsg+0xee/0x170 [ 2247.501190][ T73] __sys_sendmsg+0xcd/0x170 [ 2247.501190][ T73] do_syscall_64+0xc6/0x1e0 [ 2247.501190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.501190][ T73] [ 2257.654928][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2257.655615][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.655615][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2257.655615][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2257.655615][ T73] fib6_nh_init+0xa22/0x1580 [ 2257.655615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.655615][ T73] ip6_route_add+0x1c/0x140 [ 2257.655615][ T73] inet6_rtm_newroute+0x104/0x110 [ 2257.655615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.655615][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.655615][ T73] netlink_unicast+0x449/0x710 [ 2257.655615][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.655615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.655615][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.655615][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.655615][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.655615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.655615][ T73] [ 2257.658499][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.658499][ T73] dst_init+0x84/0x4a0 [ 2257.658499][ T73] dst_alloc+0x97/0x150 [ 2257.658499][ T73] ip6_dst_alloc+0x23/0x90 [ 2257.658499][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2257.658499][ T73] ip6_pol_route+0x56f/0x840 [ 2257.658499][ T73] fib6_rule_lookup+0x456/0x630 [ 2257.658499][ T73] ip6_route_input+0x59c/0xa50 [ 2257.658499][ T73] ipv6_rcv+0x397/0x810 [ 2257.658499][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2257.658499][ T73] process_backlog+0x101/0x620 [ 2257.658499][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2257.658499][ T73] net_rx_action+0x495/0xbe0 [ 2257.658499][ T73] __do_softirq+0x1b5/0x7f6 [ 2257.658499][ T73] [ 2257.661039][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.661039][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.661039][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.661039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.661039][ T73] ip6_route_add+0x1c/0x140 [ 2257.661039][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2257.661039][ T73] inet6_addr_add+0x4f8/0xa40 [ 2257.661039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.661039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.661039][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.661039][ T73] netlink_unicast+0x449/0x710 [ 2257.661039][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.661039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.661039][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.661039][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.661039][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.661039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.661039][ T73] [ 2257.663979][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.663979][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.663979][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.663979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.663979][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2257.663979][ T73] ipv6_add_addr+0x411/0x2000 [ 2257.663979][ T73] inet6_addr_add+0x30e/0xa40 [ 2257.663979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.663979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.663979][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.663979][ T73] netlink_unicast+0x449/0x710 [ 2257.663979][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.663979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.663979][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.663979][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.663979][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.663979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.663979][ T73] [ 2257.667034][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.667034][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.667034][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.667034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.667034][ T73] ip6_route_add+0x1c/0x140 [ 2257.667034][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.667034][ T73] addrconf_add_dev+0xe2/0x170 [ 2257.667034][ T73] inet6_addr_add+0x12f/0xa40 [ 2257.667034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.667034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.667034][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.667034][ T73] netlink_unicast+0x449/0x710 [ 2257.667034][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.667034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.667034][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.667034][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.667034][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.667034][ T73] [ 2257.670161][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.670161][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2257.670161][ T73] ipv6_find_idev+0x102/0x170 [ 2257.670161][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.670161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.670161][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.670161][ T73] netlink_unicast+0x449/0x710 [ 2257.670161][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.670161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.670161][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.670161][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.670161][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.670161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.670161][ T73] [ 2257.672565][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2257.672565][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2257.672565][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2257.672565][ T73] ipv6_find_idev+0x102/0x170 [ 2257.672565][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.672565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.672565][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.672565][ T73] netlink_unicast+0x449/0x710 [ 2257.672565][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.672565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.672565][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.672565][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.672565][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.672565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.672565][ T73] [ 2257.675270][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2257.675704][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.675704][ T73] dst_init+0x84/0x4a0 [ 2257.675704][ T73] dst_alloc+0x97/0x150 [ 2257.675704][ T73] ip6_dst_alloc+0x23/0x90 [ 2257.675704][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2257.675704][ T73] ip6_pol_route+0x56f/0x840 [ 2257.675704][ T73] fib6_rule_lookup+0x456/0x630 [ 2257.675704][ T73] ip6_route_input+0x59c/0xa50 [ 2257.675704][ T73] ipv6_rcv+0x397/0x810 [ 2257.675704][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2257.675704][ T73] process_backlog+0x101/0x620 [ 2257.675704][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2257.675704][ T73] net_rx_action+0x495/0xbe0 [ 2257.675704][ T73] __do_softirq+0x1b5/0x7f6 [ 2257.675704][ T73] [ 2257.678302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.678302][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.678302][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.678302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.678302][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2257.678302][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2257.678302][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2257.678302][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2257.678302][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2257.678302][ T73] addrconf_dad_begin+0x310/0x670 [ 2257.678302][ T73] addrconf_dad_work+0x10b/0xab0 [ 2257.678302][ T73] process_one_work+0x84d/0x18a0 [ 2257.678302][ T73] worker_thread+0x587/0xd30 [ 2257.678302][ T73] kthread+0x28a/0x350 [ 2257.678302][ T73] ret_from_fork+0x31/0x70 [ 2257.678302][ T73] ret_from_fork_asm+0x1a/0x30 [ 2257.678302][ T73] [ 2257.681302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.681302][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.681302][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.681302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.681302][ T73] ip6_route_add+0x1c/0x140 [ 2257.681302][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2257.681302][ T73] inet6_addr_add+0x4f8/0xa40 [ 2257.681302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.681302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.681302][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.681302][ T73] netlink_unicast+0x449/0x710 [ 2257.681302][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.681302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.681302][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.681302][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.681302][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.681302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.681302][ T73] [ 2257.684459][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.684459][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.684459][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.684459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.684459][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2257.684459][ T73] ipv6_add_addr+0x411/0x2000 [ 2257.684459][ T73] inet6_addr_add+0x30e/0xa40 [ 2257.684459][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.684459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.684459][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.684459][ T73] netlink_unicast+0x449/0x710 [ 2257.684459][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.684459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.684459][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.684459][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.684459][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.684459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.684459][ T73] [ 2257.687577][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.687577][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.687577][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.687577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.687577][ T73] ip6_route_add+0x1c/0x140 [ 2257.687577][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.687577][ T73] addrconf_add_dev+0xe2/0x170 [ 2257.687577][ T73] inet6_addr_add+0x12f/0xa40 [ 2257.687577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.687577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.687577][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.687577][ T73] netlink_unicast+0x449/0x710 [ 2257.687577][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.687577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.687577][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.687577][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.687577][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.687577][ T73] [ 2257.690656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.690656][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2257.690656][ T73] ipv6_find_idev+0x102/0x170 [ 2257.690656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.690656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.690656][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.690656][ T73] netlink_unicast+0x449/0x710 [ 2257.690656][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.690656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.690656][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.690656][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.690656][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.690656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.690656][ T73] [ 2257.693089][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2257.693089][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2257.693089][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2257.693089][ T73] ipv6_find_idev+0x102/0x170 [ 2257.693089][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.693089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.693089][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.693089][ T73] netlink_unicast+0x449/0x710 [ 2257.693089][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.693089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.693089][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.693089][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.693089][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.693089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.693089][ T73] [ 2257.695830][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2257.696235][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.696235][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2257.696235][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2257.696235][ T73] fib6_nh_init+0xa22/0x1580 [ 2257.696235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.696235][ T73] ip6_route_add+0x1c/0x140 [ 2257.696235][ T73] inet6_rtm_newroute+0x104/0x110 [ 2257.696235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.696235][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.696235][ T73] netlink_unicast+0x449/0x710 [ 2257.696235][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.696235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.696235][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.696235][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.696235][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.696235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.696235][ T73] [ 2257.699391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.699391][ T73] dst_init+0x84/0x4a0 [ 2257.699391][ T73] dst_alloc+0x97/0x150 [ 2257.699391][ T73] ip6_dst_alloc+0x23/0x90 [ 2257.699391][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2257.699391][ T73] ip6_pol_route+0x56f/0x840 [ 2257.699391][ T73] fib6_rule_lookup+0x456/0x630 [ 2257.699391][ T73] ip6_route_input+0x59c/0xa50 [ 2257.699391][ T73] ipv6_rcv+0x397/0x810 [ 2257.699391][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2257.699391][ T73] process_backlog+0x101/0x620 [ 2257.699391][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2257.699391][ T73] net_rx_action+0x495/0xbe0 [ 2257.699391][ T73] __do_softirq+0x1b5/0x7f6 [ 2257.699391][ T73] [ 2257.702285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.702285][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.702285][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.702285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.702285][ T73] ip6_route_add+0x1c/0x140 [ 2257.702285][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2257.702285][ T73] inet6_addr_add+0x4f8/0xa40 [ 2257.702285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.702285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.702285][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.702285][ T73] netlink_unicast+0x449/0x710 [ 2257.702285][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.702285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.702285][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.702285][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.702285][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.702285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.702285][ T73] [ 2257.705955][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.705955][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.705955][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.705955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.705955][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2257.705955][ T73] ipv6_add_addr+0x411/0x2000 [ 2257.705955][ T73] inet6_addr_add+0x30e/0xa40 [ 2257.705955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.705955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.705955][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.705955][ T73] netlink_unicast+0x449/0x710 [ 2257.705955][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.705955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.705955][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.705955][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.705955][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.705955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.705955][ T73] [ 2257.709627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.709627][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.709627][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.709627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.709627][ T73] ip6_route_add+0x1c/0x140 [ 2257.709627][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.709627][ T73] addrconf_add_dev+0xe2/0x170 [ 2257.709627][ T73] inet6_addr_add+0x12f/0xa40 [ 2257.709627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.709627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.709627][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.709627][ T73] netlink_unicast+0x449/0x710 [ 2257.709627][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.709627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.709627][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.709627][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.709627][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.709627][ T73] [ 2257.714041][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.714041][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2257.714041][ T73] ipv6_find_idev+0x102/0x170 [ 2257.714041][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.714041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.714041][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.714041][ T73] netlink_unicast+0x449/0x710 [ 2257.714041][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.714041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.714041][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.714041][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.714041][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.714041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.714041][ T73] [ 2257.717201][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2257.717201][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2257.717201][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2257.717201][ T73] ipv6_find_idev+0x102/0x170 [ 2257.717201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.717201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.717201][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.717201][ T73] netlink_unicast+0x449/0x710 [ 2257.717201][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.717201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.717201][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.717201][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.717201][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.717201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.717201][ T73] [ 2257.720329][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2257.720770][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2257.720770][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.720770][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.720770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.720770][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2257.720770][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2257.720770][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2257.720770][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2257.720770][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2257.720770][ T73] addrconf_dad_begin+0x310/0x670 [ 2257.720770][ T73] addrconf_dad_work+0x10b/0xab0 [ 2257.720770][ T73] process_one_work+0x84d/0x18a0 [ 2257.720770][ T73] worker_thread+0x587/0xd30 [ 2257.720770][ T73] kthread+0x28a/0x350 [ 2257.720770][ T73] ret_from_fork+0x31/0x70 [ 2257.720770][ T73] ret_from_fork_asm+0x1a/0x30 [ 2257.720770][ T73] [ 2257.724301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2257.724301][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.724301][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.724301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.724301][ T73] ip6_route_add+0x1c/0x140 [ 2257.724301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2257.724301][ T73] inet6_addr_add+0x4f8/0xa40 [ 2257.724301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.724301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.724301][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.724301][ T73] netlink_unicast+0x449/0x710 [ 2257.724301][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.724301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.724301][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.724301][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.724301][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.724301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.724301][ T73] [ 2257.727715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2257.727715][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.727715][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.727715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.727715][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2257.727715][ T73] ipv6_add_addr+0x411/0x2000 [ 2257.727715][ T73] inet6_addr_add+0x30e/0xa40 [ 2257.727715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.727715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.727715][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.727715][ T73] netlink_unicast+0x449/0x710 [ 2257.727715][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.727715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.727715][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.727715][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.727715][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.727715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.727715][ T73] [ 2257.731034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2257.731034][ T73] netdev_get_by_index+0x5e/0x80 [ 2257.731034][ T73] fib6_nh_init+0x3d8/0x1580 [ 2257.731034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2257.731034][ T73] ip6_route_add+0x1c/0x140 [ 2257.731034][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.731034][ T73] addrconf_add_dev+0xe2/0x170 [ 2257.731034][ T73] inet6_addr_add+0x12f/0xa40 [ 2257.731034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.731034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.731034][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.731034][ T73] netlink_unicast+0x449/0x710 [ 2257.731034][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.731034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.731034][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.731034][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.731034][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.731034][ T73] [ 2257.734539][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2257.734539][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2257.734539][ T73] ipv6_find_idev+0x102/0x170 [ 2257.734539][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.734539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.734539][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.734539][ T73] netlink_unicast+0x449/0x710 [ 2257.734539][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.734539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.734539][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.734539][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.734539][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.734539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.734539][ T73] [ 2257.737289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2257.737289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2257.737289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2257.737289][ T73] ipv6_find_idev+0x102/0x170 [ 2257.737289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.737289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.737289][ T73] netlink_rcv_skb+0x130/0x360 [ 2257.737289][ T73] netlink_unicast+0x449/0x710 [ 2257.737289][ T73] netlink_sendmsg+0x723/0xbe0 [ 2257.737289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2257.737289][ T73] ___sys_sendmsg+0xee/0x170 [ 2257.737289][ T73] __sys_sendmsg+0xcd/0x170 [ 2257.737289][ T73] do_syscall_64+0xc6/0x1e0 [ 2257.737289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.737289][ T73] [ 2267.982850][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2267.983372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.983372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2267.983372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2267.983372][ T73] fib6_nh_init+0xa22/0x1580 [ 2267.983372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2267.983372][ T73] ip6_route_add+0x1c/0x140 [ 2267.983372][ T73] inet6_rtm_newroute+0x104/0x110 [ 2267.983372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.983372][ T73] netlink_rcv_skb+0x130/0x360 [ 2267.983372][ T73] netlink_unicast+0x449/0x710 [ 2267.983372][ T73] netlink_sendmsg+0x723/0xbe0 [ 2267.983372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2267.983372][ T73] ___sys_sendmsg+0xee/0x170 [ 2267.983372][ T73] __sys_sendmsg+0xcd/0x170 [ 2267.983372][ T73] do_syscall_64+0xc6/0x1e0 [ 2267.983372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.983372][ T73] [ 2267.985468][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.985468][ T73] dst_init+0x84/0x4a0 [ 2267.985468][ T73] dst_alloc+0x97/0x150 [ 2267.985468][ T73] ip6_dst_alloc+0x23/0x90 [ 2267.985468][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2267.985468][ T73] ip6_pol_route+0x56f/0x840 [ 2267.985468][ T73] fib6_rule_lookup+0x456/0x630 [ 2267.985468][ T73] ip6_route_input+0x59c/0xa50 [ 2267.985468][ T73] ipv6_rcv+0x397/0x810 [ 2267.985468][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2267.985468][ T73] process_backlog+0x101/0x620 [ 2267.985468][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2267.985468][ T73] net_rx_action+0x495/0xbe0 [ 2267.985468][ T73] __do_softirq+0x1b5/0x7f6 [ 2267.985468][ T73] [ 2267.987554][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.987554][ T73] netdev_get_by_index+0x5e/0x80 [ 2267.987554][ T73] fib6_nh_init+0x3d8/0x1580 [ 2267.987554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2267.987554][ T73] ip6_route_add+0x1c/0x140 [ 2267.987554][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2267.987554][ T73] inet6_addr_add+0x4f8/0xa40 [ 2267.987554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.987554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.987554][ T73] netlink_rcv_skb+0x130/0x360 [ 2267.987554][ T73] netlink_unicast+0x449/0x710 [ 2267.987554][ T73] netlink_sendmsg+0x723/0xbe0 [ 2267.987554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2267.987554][ T73] ___sys_sendmsg+0xee/0x170 [ 2267.987554][ T73] __sys_sendmsg+0xcd/0x170 [ 2267.987554][ T73] do_syscall_64+0xc6/0x1e0 [ 2267.987554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.987554][ T73] [ 2267.990231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.990231][ T73] netdev_get_by_index+0x5e/0x80 [ 2267.990231][ T73] fib6_nh_init+0x3d8/0x1580 [ 2267.990231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2267.990231][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2267.990231][ T73] ipv6_add_addr+0x411/0x2000 [ 2267.990231][ T73] inet6_addr_add+0x30e/0xa40 [ 2267.990231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.990231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.990231][ T73] netlink_rcv_skb+0x130/0x360 [ 2267.990231][ T73] netlink_unicast+0x449/0x710 [ 2267.990231][ T73] netlink_sendmsg+0x723/0xbe0 [ 2267.990231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2267.990231][ T73] ___sys_sendmsg+0xee/0x170 [ 2267.990231][ T73] __sys_sendmsg+0xcd/0x170 [ 2267.990231][ T73] do_syscall_64+0xc6/0x1e0 [ 2267.990231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.990231][ T73] [ 2267.992270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.992270][ T73] netdev_get_by_index+0x5e/0x80 [ 2267.992270][ T73] fib6_nh_init+0x3d8/0x1580 [ 2267.992270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2267.992270][ T73] ip6_route_add+0x1c/0x140 [ 2267.992270][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2267.992270][ T73] addrconf_add_dev+0xe2/0x170 [ 2267.992270][ T73] inet6_addr_add+0x12f/0xa40 [ 2267.992270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.992270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.992270][ T73] netlink_rcv_skb+0x130/0x360 [ 2267.992270][ T73] netlink_unicast+0x449/0x710 [ 2267.992270][ T73] netlink_sendmsg+0x723/0xbe0 [ 2267.992270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2267.992270][ T73] ___sys_sendmsg+0xee/0x170 [ 2267.992270][ T73] __sys_sendmsg+0xcd/0x170 [ 2267.992270][ T73] do_syscall_64+0xc6/0x1e0 [ 2267.992270][ T73] [ 2267.994283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.994283][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2267.994283][ T73] ipv6_find_idev+0x102/0x170 [ 2267.994283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.994283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.994283][ T73] netlink_rcv_skb+0x130/0x360 [ 2267.994283][ T73] netlink_unicast+0x449/0x710 [ 2267.994283][ T73] netlink_sendmsg+0x723/0xbe0 [ 2267.994283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2267.994283][ T73] ___sys_sendmsg+0xee/0x170 [ 2267.994283][ T73] __sys_sendmsg+0xcd/0x170 [ 2267.994283][ T73] do_syscall_64+0xc6/0x1e0 [ 2267.994283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.994283][ T73] [ 2267.996016][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2267.996016][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2267.996016][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2267.996016][ T73] ipv6_find_idev+0x102/0x170 [ 2267.996016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.996016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.996016][ T73] netlink_rcv_skb+0x130/0x360 [ 2267.996016][ T73] netlink_unicast+0x449/0x710 [ 2267.996016][ T73] netlink_sendmsg+0x723/0xbe0 [ 2267.996016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2267.996016][ T73] ___sys_sendmsg+0xee/0x170 [ 2267.996016][ T73] __sys_sendmsg+0xcd/0x170 [ 2267.996016][ T73] do_syscall_64+0xc6/0x1e0 [ 2267.996016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.996016][ T73] [ 2267.997787][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2267.998073][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2267.998073][ T73] dst_init+0x84/0x4a0 [ 2267.998073][ T73] dst_alloc+0x97/0x150 [ 2267.998073][ T73] ip6_dst_alloc+0x23/0x90 [ 2267.998073][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2267.998073][ T73] ip6_pol_route+0x56f/0x840 [ 2267.998073][ T73] fib6_rule_lookup+0x456/0x630 [ 2267.998073][ T73] ip6_route_input+0x59c/0xa50 [ 2267.998073][ T73] ipv6_rcv+0x397/0x810 [ 2267.998073][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2267.998073][ T73] process_backlog+0x101/0x620 [ 2267.998073][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2267.998073][ T73] net_rx_action+0x495/0xbe0 [ 2267.998073][ T73] __do_softirq+0x1b5/0x7f6 [ 2267.998073][ T73] [ 2267.999962][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2267.999962][ T73] netdev_get_by_index+0x5e/0x80 [ 2267.999962][ T73] fib6_nh_init+0x3d8/0x1580 [ 2267.999962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2267.999962][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2267.999962][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2267.999962][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2267.999962][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2267.999962][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2267.999962][ T73] addrconf_dad_begin+0x310/0x670 [ 2267.999962][ T73] addrconf_dad_work+0x10b/0xab0 [ 2267.999962][ T73] process_one_work+0x84d/0x18a0 [ 2267.999962][ T73] worker_thread+0x587/0xd30 [ 2267.999962][ T73] kthread+0x28a/0x350 [ 2267.999962][ T73] ret_from_fork+0x31/0x70 [ 2267.999962][ T73] ret_from_fork_asm+0x1a/0x30 [ 2267.999962][ T73] [ 2268.001977][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2268.001977][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.001977][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.001977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.001977][ T73] ip6_route_add+0x1c/0x140 [ 2268.001977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2268.001977][ T73] inet6_addr_add+0x4f8/0xa40 [ 2268.001977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.001977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.001977][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.001977][ T73] netlink_unicast+0x449/0x710 [ 2268.001977][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.001977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.001977][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.001977][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.001977][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.001977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.001977][ T73] [ 2268.003984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2268.003984][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.003984][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.003984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.003984][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2268.003984][ T73] ipv6_add_addr+0x411/0x2000 [ 2268.003984][ T73] inet6_addr_add+0x30e/0xa40 [ 2268.003984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.003984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.003984][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.003984][ T73] netlink_unicast+0x449/0x710 [ 2268.003984][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.003984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.003984][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.003984][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.003984][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.003984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.003984][ T73] [ 2268.005992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2268.005992][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.005992][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.005992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.005992][ T73] ip6_route_add+0x1c/0x140 [ 2268.005992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.005992][ T73] addrconf_add_dev+0xe2/0x170 [ 2268.005992][ T73] inet6_addr_add+0x12f/0xa40 [ 2268.005992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.005992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.005992][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.005992][ T73] netlink_unicast+0x449/0x710 [ 2268.005992][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.005992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.005992][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.005992][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.005992][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.005992][ T73] [ 2268.007965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2268.007965][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2268.007965][ T73] ipv6_find_idev+0x102/0x170 [ 2268.007965][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.007965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.007965][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.007965][ T73] netlink_unicast+0x449/0x710 [ 2268.007965][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.007965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.007965][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.007965][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.007965][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.007965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.007965][ T73] [ 2268.009510][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2268.009510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2268.009510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2268.009510][ T73] ipv6_find_idev+0x102/0x170 [ 2268.009510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.009510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.009510][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.009510][ T73] netlink_unicast+0x449/0x710 [ 2268.009510][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.009510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.009510][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.009510][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.009510][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.009510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.009510][ T73] [ 2268.011351][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2268.011624][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.011624][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2268.011624][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2268.011624][ T73] fib6_nh_init+0xa22/0x1580 [ 2268.011624][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.011624][ T73] ip6_route_add+0x1c/0x140 [ 2268.011624][ T73] inet6_rtm_newroute+0x104/0x110 [ 2268.011624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.011624][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.011624][ T73] netlink_unicast+0x449/0x710 [ 2268.011624][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.011624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.011624][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.011624][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.011624][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.011624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.011624][ T73] [ 2268.013816][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.013816][ T73] dst_init+0x84/0x4a0 [ 2268.013816][ T73] dst_alloc+0x97/0x150 [ 2268.013816][ T73] ip6_dst_alloc+0x23/0x90 [ 2268.013816][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.013816][ T73] ip6_pol_route+0x56f/0x840 [ 2268.013816][ T73] fib6_rule_lookup+0x456/0x630 [ 2268.013816][ T73] ip6_route_input+0x59c/0xa50 [ 2268.013816][ T73] ipv6_rcv+0x397/0x810 [ 2268.013816][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2268.013816][ T73] process_backlog+0x101/0x620 [ 2268.013816][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2268.013816][ T73] net_rx_action+0x495/0xbe0 [ 2268.013816][ T73] __do_softirq+0x1b5/0x7f6 [ 2268.013816][ T73] [ 2268.015679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.015679][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.015679][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.015679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.015679][ T73] ip6_route_add+0x1c/0x140 [ 2268.015679][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2268.015679][ T73] inet6_addr_add+0x4f8/0xa40 [ 2268.015679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.015679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.015679][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.015679][ T73] netlink_unicast+0x449/0x710 [ 2268.015679][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.015679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.015679][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.015679][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.015679][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.015679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.015679][ T73] [ 2268.017937][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.017937][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.017937][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.017937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.017937][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2268.017937][ T73] ipv6_add_addr+0x411/0x2000 [ 2268.017937][ T73] inet6_addr_add+0x30e/0xa40 [ 2268.017937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.017937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.017937][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.017937][ T73] netlink_unicast+0x449/0x710 [ 2268.017937][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.017937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.017937][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.017937][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.017937][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.017937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.017937][ T73] [ 2268.020243][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.020243][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.020243][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.020243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.020243][ T73] ip6_route_add+0x1c/0x140 [ 2268.020243][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.020243][ T73] addrconf_add_dev+0xe2/0x170 [ 2268.020243][ T73] inet6_addr_add+0x12f/0xa40 [ 2268.020243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.020243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.020243][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.020243][ T73] netlink_unicast+0x449/0x710 [ 2268.020243][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.020243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.020243][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.020243][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.020243][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.020243][ T73] [ 2268.022467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.022467][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2268.022467][ T73] ipv6_find_idev+0x102/0x170 [ 2268.022467][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.022467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.022467][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.022467][ T73] netlink_unicast+0x449/0x710 [ 2268.022467][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.022467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.022467][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.022467][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.022467][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.022467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.022467][ T73] [ 2268.024193][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2268.024193][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2268.024193][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2268.024193][ T73] ipv6_find_idev+0x102/0x170 [ 2268.024193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.024193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.024193][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.024193][ T73] netlink_unicast+0x449/0x710 [ 2268.024193][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.024193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.024193][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.024193][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.024193][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.024193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.024193][ T73] [ 2268.026146][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2268.026423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2268.026423][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.026423][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.026423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.026423][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2268.026423][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2268.026423][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2268.026423][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2268.026423][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2268.026423][ T73] addrconf_dad_begin+0x310/0x670 [ 2268.026423][ T73] addrconf_dad_work+0x10b/0xab0 [ 2268.026423][ T73] process_one_work+0x84d/0x18a0 [ 2268.026423][ T73] worker_thread+0x587/0xd30 [ 2268.026423][ T73] kthread+0x28a/0x350 [ 2268.026423][ T73] ret_from_fork+0x31/0x70 [ 2268.026423][ T73] ret_from_fork_asm+0x1a/0x30 [ 2268.026423][ T73] [ 2268.028585][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2268.028585][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.028585][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.028585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.028585][ T73] ip6_route_add+0x1c/0x140 [ 2268.028585][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2268.028585][ T73] inet6_addr_add+0x4f8/0xa40 [ 2268.028585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.028585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.028585][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.028585][ T73] netlink_unicast+0x449/0x710 [ 2268.028585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.028585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.028585][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.028585][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.028585][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.028585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.028585][ T73] [ 2268.030837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2268.030837][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.030837][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.030837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.030837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2268.030837][ T73] ipv6_add_addr+0x411/0x2000 [ 2268.030837][ T73] inet6_addr_add+0x30e/0xa40 [ 2268.030837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.030837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.030837][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.030837][ T73] netlink_unicast+0x449/0x710 [ 2268.030837][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.030837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.030837][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.030837][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.030837][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.030837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.030837][ T73] [ 2268.033078][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2268.033078][ T73] netdev_get_by_index+0x5e/0x80 [ 2268.033078][ T73] fib6_nh_init+0x3d8/0x1580 [ 2268.033078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2268.033078][ T73] ip6_route_add+0x1c/0x140 [ 2268.033078][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.033078][ T73] addrconf_add_dev+0xe2/0x170 [ 2268.033078][ T73] inet6_addr_add+0x12f/0xa40 [ 2268.033078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.033078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.033078][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.033078][ T73] netlink_unicast+0x449/0x710 [ 2268.033078][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.033078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.033078][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.033078][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.033078][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.033078][ T73] [ 2268.035288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2268.035288][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2268.035288][ T73] ipv6_find_idev+0x102/0x170 [ 2268.035288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.035288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.035288][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.035288][ T73] netlink_unicast+0x449/0x710 [ 2268.035288][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.035288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.035288][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.035288][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.035288][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.035288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.035288][ T73] [ 2268.037019][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2268.037019][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2268.037019][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2268.037019][ T73] ipv6_find_idev+0x102/0x170 [ 2268.037019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.037019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.037019][ T73] netlink_rcv_skb+0x130/0x360 [ 2268.037019][ T73] netlink_unicast+0x449/0x710 [ 2268.037019][ T73] netlink_sendmsg+0x723/0xbe0 [ 2268.037019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2268.037019][ T73] ___sys_sendmsg+0xee/0x170 [ 2268.037019][ T73] __sys_sendmsg+0xcd/0x170 [ 2268.037019][ T73] do_syscall_64+0xc6/0x1e0 [ 2268.037019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.037019][ T73] [ 2278.279055][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2278.279480][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.279480][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2278.279480][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2278.279480][ T73] fib6_nh_init+0xa22/0x1580 [ 2278.279480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.279480][ T73] ip6_route_add+0x1c/0x140 [ 2278.279480][ T73] inet6_rtm_newroute+0x104/0x110 [ 2278.279480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.279480][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.279480][ T73] netlink_unicast+0x449/0x710 [ 2278.279480][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.279480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.279480][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.279480][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.279480][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.279480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.279480][ T73] [ 2278.281405][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.281405][ T73] dst_init+0x84/0x4a0 [ 2278.281405][ T73] dst_alloc+0x97/0x150 [ 2278.281405][ T73] ip6_dst_alloc+0x23/0x90 [ 2278.281405][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.281405][ T73] ip6_pol_route+0x56f/0x840 [ 2278.281405][ T73] fib6_rule_lookup+0x456/0x630 [ 2278.281405][ T73] ip6_route_input+0x59c/0xa50 [ 2278.281405][ T73] ipv6_rcv+0x397/0x810 [ 2278.281405][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2278.281405][ T73] process_backlog+0x101/0x620 [ 2278.281405][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2278.281405][ T73] net_rx_action+0x495/0xbe0 [ 2278.281405][ T73] __do_softirq+0x1b5/0x7f6 [ 2278.281405][ T73] [ 2278.283036][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.283036][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.283036][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.283036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.283036][ T73] ip6_route_add+0x1c/0x140 [ 2278.283036][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2278.283036][ T73] inet6_addr_add+0x4f8/0xa40 [ 2278.283036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.283036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.283036][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.283036][ T73] netlink_unicast+0x449/0x710 [ 2278.283036][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.283036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.283036][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.283036][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.283036][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.283036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.283036][ T73] [ 2278.285018][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.285018][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.285018][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.285018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.285018][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2278.285018][ T73] ipv6_add_addr+0x411/0x2000 [ 2278.285018][ T73] inet6_addr_add+0x30e/0xa40 [ 2278.285018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.285018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.285018][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.285018][ T73] netlink_unicast+0x449/0x710 [ 2278.285018][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.285018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.285018][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.285018][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.285018][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.285018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.285018][ T73] [ 2278.287004][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.287004][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.287004][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.287004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.287004][ T73] ip6_route_add+0x1c/0x140 [ 2278.287004][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.287004][ T73] addrconf_add_dev+0xe2/0x170 [ 2278.287004][ T73] inet6_addr_add+0x12f/0xa40 [ 2278.287004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.287004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.287004][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.287004][ T73] netlink_unicast+0x449/0x710 [ 2278.287004][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.287004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.287004][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.287004][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.287004][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.287004][ T73] [ 2278.288959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.288959][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2278.288959][ T73] ipv6_find_idev+0x102/0x170 [ 2278.288959][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.288959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.288959][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.288959][ T73] netlink_unicast+0x449/0x710 [ 2278.288959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.288959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.288959][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.288959][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.288959][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.288959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.288959][ T73] [ 2278.290503][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2278.290503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2278.290503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2278.290503][ T73] ipv6_find_idev+0x102/0x170 [ 2278.290503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.290503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.290503][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.290503][ T73] netlink_unicast+0x449/0x710 [ 2278.290503][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.290503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.290503][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.290503][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.290503][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.290503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.290503][ T73] [ 2278.292198][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2278.292476][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.292476][ T73] dst_init+0x84/0x4a0 [ 2278.292476][ T73] dst_alloc+0x97/0x150 [ 2278.292476][ T73] ip6_dst_alloc+0x23/0x90 [ 2278.292476][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.292476][ T73] ip6_pol_route+0x56f/0x840 [ 2278.292476][ T73] fib6_rule_lookup+0x456/0x630 [ 2278.292476][ T73] ip6_route_input+0x59c/0xa50 [ 2278.292476][ T73] ipv6_rcv+0x397/0x810 [ 2278.292476][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2278.292476][ T73] process_backlog+0x101/0x620 [ 2278.292476][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2278.292476][ T73] net_rx_action+0x495/0xbe0 [ 2278.292476][ T73] __do_softirq+0x1b5/0x7f6 [ 2278.292476][ T73] [ 2278.294120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.294120][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.294120][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.294120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.294120][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2278.294120][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2278.294120][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2278.294120][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2278.294120][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2278.294120][ T73] addrconf_dad_begin+0x310/0x670 [ 2278.294120][ T73] addrconf_dad_work+0x10b/0xab0 [ 2278.294120][ T73] process_one_work+0x84d/0x18a0 [ 2278.294120][ T73] worker_thread+0x587/0xd30 [ 2278.294120][ T73] kthread+0x28a/0x350 [ 2278.294120][ T73] ret_from_fork+0x31/0x70 [ 2278.294120][ T73] ret_from_fork_asm+0x1a/0x30 [ 2278.294120][ T73] [ 2278.296023][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.296023][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.296023][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.296023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.296023][ T73] ip6_route_add+0x1c/0x140 [ 2278.296023][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2278.296023][ T73] inet6_addr_add+0x4f8/0xa40 [ 2278.296023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.296023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.296023][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.296023][ T73] netlink_unicast+0x449/0x710 [ 2278.296023][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.296023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.296023][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.296023][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.296023][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.296023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.296023][ T73] [ 2278.298024][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.298024][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.298024][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.298024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.298024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2278.298024][ T73] ipv6_add_addr+0x411/0x2000 [ 2278.298024][ T73] inet6_addr_add+0x30e/0xa40 [ 2278.298024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.298024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.298024][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.298024][ T73] netlink_unicast+0x449/0x710 [ 2278.298024][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.298024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.298024][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.298024][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.298024][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.298024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.298024][ T73] [ 2278.300049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.300049][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.300049][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.300049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.300049][ T73] ip6_route_add+0x1c/0x140 [ 2278.300049][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.300049][ T73] addrconf_add_dev+0xe2/0x170 [ 2278.300049][ T73] inet6_addr_add+0x12f/0xa40 [ 2278.300049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.300049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.300049][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.300049][ T73] netlink_unicast+0x449/0x710 [ 2278.300049][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.300049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.300049][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.300049][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.300049][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.300049][ T73] [ 2278.302013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.302013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2278.302013][ T73] ipv6_find_idev+0x102/0x170 [ 2278.302013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.302013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.302013][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.302013][ T73] netlink_unicast+0x449/0x710 [ 2278.302013][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.302013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.302013][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.302013][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.302013][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.302013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.302013][ T73] [ 2278.303542][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2278.303542][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2278.303542][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2278.303542][ T73] ipv6_find_idev+0x102/0x170 [ 2278.303542][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.303542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.303542][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.303542][ T73] netlink_unicast+0x449/0x710 [ 2278.303542][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.303542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.303542][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.303542][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.303542][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.303542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.303542][ T73] [ 2278.305332][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2278.305598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.305598][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2278.305598][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2278.305598][ T73] fib6_nh_init+0xa22/0x1580 [ 2278.305598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.305598][ T73] ip6_route_add+0x1c/0x140 [ 2278.305598][ T73] inet6_rtm_newroute+0x104/0x110 [ 2278.305598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.305598][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.305598][ T73] netlink_unicast+0x449/0x710 [ 2278.305598][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.305598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.305598][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.305598][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.305598][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.305598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.305598][ T73] [ 2278.307766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.307766][ T73] dst_init+0x84/0x4a0 [ 2278.307766][ T73] dst_alloc+0x97/0x150 [ 2278.307766][ T73] ip6_dst_alloc+0x23/0x90 [ 2278.307766][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.307766][ T73] ip6_pol_route+0x56f/0x840 [ 2278.307766][ T73] fib6_rule_lookup+0x456/0x630 [ 2278.307766][ T73] ip6_route_input+0x59c/0xa50 [ 2278.307766][ T73] ipv6_rcv+0x397/0x810 [ 2278.307766][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2278.307766][ T73] process_backlog+0x101/0x620 [ 2278.307766][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2278.307766][ T73] net_rx_action+0x495/0xbe0 [ 2278.307766][ T73] __do_softirq+0x1b5/0x7f6 [ 2278.307766][ T73] [ 2278.309583][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.309583][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.309583][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.309583][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.309583][ T73] ip6_route_add+0x1c/0x140 [ 2278.309583][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2278.309583][ T73] inet6_addr_add+0x4f8/0xa40 [ 2278.309583][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.309583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.309583][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.309583][ T73] netlink_unicast+0x449/0x710 [ 2278.309583][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.309583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.309583][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.309583][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.309583][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.309583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.309583][ T73] [ 2278.311835][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.311835][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.311835][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.311835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.311835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2278.311835][ T73] ipv6_add_addr+0x411/0x2000 [ 2278.311835][ T73] inet6_addr_add+0x30e/0xa40 [ 2278.311835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.311835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.311835][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.311835][ T73] netlink_unicast+0x449/0x710 [ 2278.311835][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.311835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.311835][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.311835][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.311835][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.311835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.311835][ T73] [ 2278.313945][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.313945][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.313945][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.313945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.313945][ T73] ip6_route_add+0x1c/0x140 [ 2278.313945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.313945][ T73] addrconf_add_dev+0xe2/0x170 [ 2278.313945][ T73] inet6_addr_add+0x12f/0xa40 [ 2278.313945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.313945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.313945][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.313945][ T73] netlink_unicast+0x449/0x710 [ 2278.313945][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.313945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.313945][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.313945][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.313945][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.313945][ T73] [ 2278.316199][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.316199][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2278.316199][ T73] ipv6_find_idev+0x102/0x170 [ 2278.316199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.316199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.316199][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.316199][ T73] netlink_unicast+0x449/0x710 [ 2278.316199][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.316199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.316199][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.316199][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.316199][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.316199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.316199][ T73] [ 2278.317914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2278.317914][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2278.317914][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2278.317914][ T73] ipv6_find_idev+0x102/0x170 [ 2278.317914][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.317914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.317914][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.317914][ T73] netlink_unicast+0x449/0x710 [ 2278.317914][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.317914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.317914][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.317914][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.317914][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.317914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.317914][ T73] [ 2278.319859][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2278.320135][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2278.320135][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.320135][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.320135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.320135][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2278.320135][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2278.320135][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2278.320135][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2278.320135][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2278.320135][ T73] addrconf_dad_begin+0x310/0x670 [ 2278.320135][ T73] addrconf_dad_work+0x10b/0xab0 [ 2278.320135][ T73] process_one_work+0x84d/0x18a0 [ 2278.320135][ T73] worker_thread+0x587/0xd30 [ 2278.320135][ T73] kthread+0x28a/0x350 [ 2278.320135][ T73] ret_from_fork+0x31/0x70 [ 2278.320135][ T73] ret_from_fork_asm+0x1a/0x30 [ 2278.320135][ T73] [ 2278.322282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2278.322282][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.322282][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.322282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.322282][ T73] ip6_route_add+0x1c/0x140 [ 2278.322282][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2278.322282][ T73] inet6_addr_add+0x4f8/0xa40 [ 2278.322282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.322282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.322282][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.322282][ T73] netlink_unicast+0x449/0x710 [ 2278.322282][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.322282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.322282][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.322282][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.322282][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.322282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.322282][ T73] [ 2278.324456][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2278.324456][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.324456][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.324456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.324456][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2278.324456][ T73] ipv6_add_addr+0x411/0x2000 [ 2278.324456][ T73] inet6_addr_add+0x30e/0xa40 [ 2278.324456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.324456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.324456][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.324456][ T73] netlink_unicast+0x449/0x710 [ 2278.324456][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.324456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.324456][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.324456][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.324456][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.324456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.324456][ T73] [ 2278.326753][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2278.326753][ T73] netdev_get_by_index+0x5e/0x80 [ 2278.326753][ T73] fib6_nh_init+0x3d8/0x1580 [ 2278.326753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2278.326753][ T73] ip6_route_add+0x1c/0x140 [ 2278.326753][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.326753][ T73] addrconf_add_dev+0xe2/0x170 [ 2278.326753][ T73] inet6_addr_add+0x12f/0xa40 [ 2278.326753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.326753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.326753][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.326753][ T73] netlink_unicast+0x449/0x710 [ 2278.326753][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.326753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.326753][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.326753][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.326753][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.326753][ T73] [ 2278.328956][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2278.328956][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2278.328956][ T73] ipv6_find_idev+0x102/0x170 [ 2278.328956][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.328956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.328956][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.328956][ T73] netlink_unicast+0x449/0x710 [ 2278.328956][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.328956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.328956][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.328956][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.328956][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.328956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.328956][ T73] [ 2278.330686][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2278.330686][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2278.330686][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2278.330686][ T73] ipv6_find_idev+0x102/0x170 [ 2278.330686][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.330686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.330686][ T73] netlink_rcv_skb+0x130/0x360 [ 2278.330686][ T73] netlink_unicast+0x449/0x710 [ 2278.330686][ T73] netlink_sendmsg+0x723/0xbe0 [ 2278.330686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2278.330686][ T73] ___sys_sendmsg+0xee/0x170 [ 2278.330686][ T73] __sys_sendmsg+0xcd/0x170 [ 2278.330686][ T73] do_syscall_64+0xc6/0x1e0 [ 2278.330686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.330686][ T73] [ 2288.574958][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2288.575387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.575387][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2288.575387][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2288.575387][ T73] fib6_nh_init+0xa22/0x1580 [ 2288.575387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.575387][ T73] ip6_route_add+0x1c/0x140 [ 2288.575387][ T73] inet6_rtm_newroute+0x104/0x110 [ 2288.575387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.575387][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.575387][ T73] netlink_unicast+0x449/0x710 [ 2288.575387][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.575387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.575387][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.575387][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.575387][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.575387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.575387][ T73] [ 2288.577272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.577272][ T73] dst_init+0x84/0x4a0 [ 2288.577272][ T73] dst_alloc+0x97/0x150 [ 2288.577272][ T73] ip6_dst_alloc+0x23/0x90 [ 2288.577272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.577272][ T73] ip6_pol_route+0x56f/0x840 [ 2288.577272][ T73] fib6_rule_lookup+0x456/0x630 [ 2288.577272][ T73] ip6_route_input+0x59c/0xa50 [ 2288.577272][ T73] ipv6_rcv+0x397/0x810 [ 2288.577272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2288.577272][ T73] process_backlog+0x101/0x620 [ 2288.577272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2288.577272][ T73] net_rx_action+0x495/0xbe0 [ 2288.577272][ T73] __do_softirq+0x1b5/0x7f6 [ 2288.577272][ T73] [ 2288.578903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.578903][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.578903][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.578903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.578903][ T73] ip6_route_add+0x1c/0x140 [ 2288.578903][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2288.578903][ T73] inet6_addr_add+0x4f8/0xa40 [ 2288.578903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.578903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.578903][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.578903][ T73] netlink_unicast+0x449/0x710 [ 2288.578903][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.578903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.578903][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.578903][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.578903][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.578903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.578903][ T73] [ 2288.580901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.580901][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.580901][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.580901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.580901][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2288.580901][ T73] ipv6_add_addr+0x411/0x2000 [ 2288.580901][ T73] inet6_addr_add+0x30e/0xa40 [ 2288.580901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.580901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.580901][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.580901][ T73] netlink_unicast+0x449/0x710 [ 2288.580901][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.580901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.580901][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.580901][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.580901][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.580901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.580901][ T73] [ 2288.582890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.582890][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.582890][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.582890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.582890][ T73] ip6_route_add+0x1c/0x140 [ 2288.582890][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.582890][ T73] addrconf_add_dev+0xe2/0x170 [ 2288.582890][ T73] inet6_addr_add+0x12f/0xa40 [ 2288.582890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.582890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.582890][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.582890][ T73] netlink_unicast+0x449/0x710 [ 2288.582890][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.582890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.582890][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.582890][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.582890][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.582890][ T73] [ 2288.584844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.584844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2288.584844][ T73] ipv6_find_idev+0x102/0x170 [ 2288.584844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.584844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.584844][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.584844][ T73] netlink_unicast+0x449/0x710 [ 2288.584844][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.584844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.584844][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.584844][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.584844][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.584844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.584844][ T73] [ 2288.586376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2288.586376][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2288.586376][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2288.586376][ T73] ipv6_find_idev+0x102/0x170 [ 2288.586376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.586376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.586376][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.586376][ T73] netlink_unicast+0x449/0x710 [ 2288.586376][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.586376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.586376][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.586376][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.586376][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.586376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.586376][ T73] [ 2288.588074][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2288.588349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.588349][ T73] dst_init+0x84/0x4a0 [ 2288.588349][ T73] dst_alloc+0x97/0x150 [ 2288.588349][ T73] ip6_dst_alloc+0x23/0x90 [ 2288.588349][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.588349][ T73] ip6_pol_route+0x56f/0x840 [ 2288.588349][ T73] fib6_rule_lookup+0x456/0x630 [ 2288.588349][ T73] ip6_route_input+0x59c/0xa50 [ 2288.588349][ T73] ipv6_rcv+0x397/0x810 [ 2288.588349][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2288.588349][ T73] process_backlog+0x101/0x620 [ 2288.588349][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2288.588349][ T73] net_rx_action+0x495/0xbe0 [ 2288.588349][ T73] __do_softirq+0x1b5/0x7f6 [ 2288.588349][ T73] [ 2288.590096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.590096][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.590096][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.590096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.590096][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2288.590096][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2288.590096][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2288.590096][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2288.590096][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2288.590096][ T73] addrconf_dad_begin+0x310/0x670 [ 2288.590096][ T73] addrconf_dad_work+0x10b/0xab0 [ 2288.590096][ T73] process_one_work+0x84d/0x18a0 [ 2288.590096][ T73] worker_thread+0x587/0xd30 [ 2288.590096][ T73] kthread+0x28a/0x350 [ 2288.590096][ T73] ret_from_fork+0x31/0x70 [ 2288.590096][ T73] ret_from_fork_asm+0x1a/0x30 [ 2288.590096][ T73] [ 2288.592051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.592051][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.592051][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.592051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.592051][ T73] ip6_route_add+0x1c/0x140 [ 2288.592051][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2288.592051][ T73] inet6_addr_add+0x4f8/0xa40 [ 2288.592051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.592051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.592051][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.592051][ T73] netlink_unicast+0x449/0x710 [ 2288.592051][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.592051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.592051][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.592051][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.592051][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.592051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.592051][ T73] [ 2288.594034][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.594034][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.594034][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.594034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.594034][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2288.594034][ T73] ipv6_add_addr+0x411/0x2000 [ 2288.594034][ T73] inet6_addr_add+0x30e/0xa40 [ 2288.594034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.594034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.594034][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.594034][ T73] netlink_unicast+0x449/0x710 [ 2288.594034][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.594034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.594034][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.594034][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.594034][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.594034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.594034][ T73] [ 2288.596025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.596025][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.596025][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.596025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.596025][ T73] ip6_route_add+0x1c/0x140 [ 2288.596025][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.596025][ T73] addrconf_add_dev+0xe2/0x170 [ 2288.596025][ T73] inet6_addr_add+0x12f/0xa40 [ 2288.596025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.596025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.596025][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.596025][ T73] netlink_unicast+0x449/0x710 [ 2288.596025][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.596025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.596025][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.596025][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.596025][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.596025][ T73] [ 2288.597982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.597982][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2288.597982][ T73] ipv6_find_idev+0x102/0x170 [ 2288.597982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.597982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.597982][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.597982][ T73] netlink_unicast+0x449/0x710 [ 2288.597982][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.597982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.597982][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.597982][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.597982][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.597982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.597982][ T73] [ 2288.599507][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2288.599507][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2288.599507][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2288.599507][ T73] ipv6_find_idev+0x102/0x170 [ 2288.599507][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.599507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.599507][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.599507][ T73] netlink_unicast+0x449/0x710 [ 2288.599507][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.599507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.599507][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.599507][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.599507][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.599507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.599507][ T73] [ 2288.601348][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2288.601621][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.601621][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2288.601621][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2288.601621][ T73] fib6_nh_init+0xa22/0x1580 [ 2288.601621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.601621][ T73] ip6_route_add+0x1c/0x140 [ 2288.601621][ T73] inet6_rtm_newroute+0x104/0x110 [ 2288.601621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.601621][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.601621][ T73] netlink_unicast+0x449/0x710 [ 2288.601621][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.601621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.601621][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.601621][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.601621][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.601621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.601621][ T73] [ 2288.603805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.603805][ T73] dst_init+0x84/0x4a0 [ 2288.603805][ T73] dst_alloc+0x97/0x150 [ 2288.603805][ T73] ip6_dst_alloc+0x23/0x90 [ 2288.603805][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.603805][ T73] ip6_pol_route+0x56f/0x840 [ 2288.603805][ T73] fib6_rule_lookup+0x456/0x630 [ 2288.603805][ T73] ip6_route_input+0x59c/0xa50 [ 2288.603805][ T73] ipv6_rcv+0x397/0x810 [ 2288.603805][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2288.603805][ T73] process_backlog+0x101/0x620 [ 2288.603805][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2288.603805][ T73] net_rx_action+0x495/0xbe0 [ 2288.603805][ T73] __do_softirq+0x1b5/0x7f6 [ 2288.603805][ T73] [ 2288.605612][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.605612][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.605612][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.605612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.605612][ T73] ip6_route_add+0x1c/0x140 [ 2288.605612][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2288.605612][ T73] inet6_addr_add+0x4f8/0xa40 [ 2288.605612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.605612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.605612][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.605612][ T73] netlink_unicast+0x449/0x710 [ 2288.605612][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.605612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.605612][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.605612][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.605612][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.605612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.605612][ T73] [ 2288.607793][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.607793][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.607793][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.607793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.607793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2288.607793][ T73] ipv6_add_addr+0x411/0x2000 [ 2288.607793][ T73] inet6_addr_add+0x30e/0xa40 [ 2288.607793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.607793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.607793][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.607793][ T73] netlink_unicast+0x449/0x710 [ 2288.607793][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.607793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.607793][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.607793][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.607793][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.607793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.607793][ T73] [ 2288.609926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.609926][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.609926][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.609926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.609926][ T73] ip6_route_add+0x1c/0x140 [ 2288.609926][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.609926][ T73] addrconf_add_dev+0xe2/0x170 [ 2288.609926][ T73] inet6_addr_add+0x12f/0xa40 [ 2288.609926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.609926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.609926][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.609926][ T73] netlink_unicast+0x449/0x710 [ 2288.609926][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.609926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.609926][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.609926][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.609926][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.609926][ T73] [ 2288.612011][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.612011][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2288.612011][ T73] ipv6_find_idev+0x102/0x170 [ 2288.612011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.612011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.612011][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.612011][ T73] netlink_unicast+0x449/0x710 [ 2288.612011][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.612011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.612011][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.612011][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.612011][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.612011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.612011][ T73] [ 2288.613607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2288.613607][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2288.613607][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2288.613607][ T73] ipv6_find_idev+0x102/0x170 [ 2288.613607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.613607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.613607][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.613607][ T73] netlink_unicast+0x449/0x710 [ 2288.613607][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.613607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.613607][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.613607][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.613607][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.613607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.613607][ T73] [ 2288.615453][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2288.615729][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2288.615729][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.615729][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.615729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.615729][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2288.615729][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2288.615729][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2288.615729][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2288.615729][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2288.615729][ T73] addrconf_dad_begin+0x310/0x670 [ 2288.615729][ T73] addrconf_dad_work+0x10b/0xab0 [ 2288.615729][ T73] process_one_work+0x84d/0x18a0 [ 2288.615729][ T73] worker_thread+0x587/0xd30 [ 2288.615729][ T73] kthread+0x28a/0x350 [ 2288.615729][ T73] ret_from_fork+0x31/0x70 [ 2288.615729][ T73] ret_from_fork_asm+0x1a/0x30 [ 2288.615729][ T73] [ 2288.617776][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2288.617776][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.617776][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.617776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.617776][ T73] ip6_route_add+0x1c/0x140 [ 2288.617776][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2288.617776][ T73] inet6_addr_add+0x4f8/0xa40 [ 2288.617776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.617776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.617776][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.617776][ T73] netlink_unicast+0x449/0x710 [ 2288.617776][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.617776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.617776][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.617776][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.617776][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.617776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.617776][ T73] [ 2288.619906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2288.619906][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.619906][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.619906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.619906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2288.619906][ T73] ipv6_add_addr+0x411/0x2000 [ 2288.619906][ T73] inet6_addr_add+0x30e/0xa40 [ 2288.619906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.619906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.619906][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.619906][ T73] netlink_unicast+0x449/0x710 [ 2288.619906][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.619906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.619906][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.619906][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.619906][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.619906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.619906][ T73] [ 2288.622028][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2288.622028][ T73] netdev_get_by_index+0x5e/0x80 [ 2288.622028][ T73] fib6_nh_init+0x3d8/0x1580 [ 2288.622028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2288.622028][ T73] ip6_route_add+0x1c/0x140 [ 2288.622028][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.622028][ T73] addrconf_add_dev+0xe2/0x170 [ 2288.622028][ T73] inet6_addr_add+0x12f/0xa40 [ 2288.622028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.622028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.622028][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.622028][ T73] netlink_unicast+0x449/0x710 [ 2288.622028][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.622028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.622028][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.622028][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.622028][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.622028][ T73] [ 2288.624114][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2288.624114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2288.624114][ T73] ipv6_find_idev+0x102/0x170 [ 2288.624114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.624114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.624114][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.624114][ T73] netlink_unicast+0x449/0x710 [ 2288.624114][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.624114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.624114][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.624114][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.624114][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.624114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.624114][ T73] [ 2288.625713][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2288.625713][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2288.625713][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2288.625713][ T73] ipv6_find_idev+0x102/0x170 [ 2288.625713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.625713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.625713][ T73] netlink_rcv_skb+0x130/0x360 [ 2288.625713][ T73] netlink_unicast+0x449/0x710 [ 2288.625713][ T73] netlink_sendmsg+0x723/0xbe0 [ 2288.625713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2288.625713][ T73] ___sys_sendmsg+0xee/0x170 [ 2288.625713][ T73] __sys_sendmsg+0xcd/0x170 [ 2288.625713][ T73] do_syscall_64+0xc6/0x1e0 [ 2288.625713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.625713][ T73] [ 2298.870909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2298.871511][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.871511][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2298.871511][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2298.871511][ T73] fib6_nh_init+0xa22/0x1580 [ 2298.871511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.871511][ T73] ip6_route_add+0x1c/0x140 [ 2298.871511][ T73] inet6_rtm_newroute+0x104/0x110 [ 2298.871511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.871511][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.871511][ T73] netlink_unicast+0x449/0x710 [ 2298.871511][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.871511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.871511][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.871511][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.871511][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.871511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.871511][ T73] [ 2298.874481][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.874481][ T73] dst_init+0x84/0x4a0 [ 2298.874481][ T73] dst_alloc+0x97/0x150 [ 2298.874481][ T73] ip6_dst_alloc+0x23/0x90 [ 2298.874481][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2298.874481][ T73] ip6_pol_route+0x56f/0x840 [ 2298.874481][ T73] fib6_rule_lookup+0x456/0x630 [ 2298.874481][ T73] ip6_route_input+0x59c/0xa50 [ 2298.874481][ T73] ipv6_rcv+0x397/0x810 [ 2298.874481][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2298.874481][ T73] process_backlog+0x101/0x620 [ 2298.874481][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2298.874481][ T73] net_rx_action+0x495/0xbe0 [ 2298.874481][ T73] __do_softirq+0x1b5/0x7f6 [ 2298.874481][ T73] [ 2298.876967][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.876967][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.876967][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.876967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.876967][ T73] ip6_route_add+0x1c/0x140 [ 2298.876967][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2298.876967][ T73] inet6_addr_add+0x4f8/0xa40 [ 2298.876967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.876967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.876967][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.876967][ T73] netlink_unicast+0x449/0x710 [ 2298.876967][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.876967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.876967][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.876967][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.876967][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.876967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.876967][ T73] [ 2298.880085][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.880085][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.880085][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.880085][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.880085][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2298.880085][ T73] ipv6_add_addr+0x411/0x2000 [ 2298.880085][ T73] inet6_addr_add+0x30e/0xa40 [ 2298.880085][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.880085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.880085][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.880085][ T73] netlink_unicast+0x449/0x710 [ 2298.880085][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.880085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.880085][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.880085][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.880085][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.880085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.880085][ T73] [ 2298.883228][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.883228][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.883228][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.883228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.883228][ T73] ip6_route_add+0x1c/0x140 [ 2298.883228][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.883228][ T73] addrconf_add_dev+0xe2/0x170 [ 2298.883228][ T73] inet6_addr_add+0x12f/0xa40 [ 2298.883228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.883228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.883228][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.883228][ T73] netlink_unicast+0x449/0x710 [ 2298.883228][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.883228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.883228][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.883228][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.883228][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.883228][ T73] [ 2298.886298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.886298][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2298.886298][ T73] ipv6_find_idev+0x102/0x170 [ 2298.886298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.886298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.886298][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.886298][ T73] netlink_unicast+0x449/0x710 [ 2298.886298][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.886298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.886298][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.886298][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.886298][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.886298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.886298][ T73] [ 2298.888717][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2298.888717][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2298.888717][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2298.888717][ T73] ipv6_find_idev+0x102/0x170 [ 2298.888717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.888717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.888717][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.888717][ T73] netlink_unicast+0x449/0x710 [ 2298.888717][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.888717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.888717][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.888717][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.888717][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.888717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.888717][ T73] [ 2298.891415][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2298.891891][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.891891][ T73] dst_init+0x84/0x4a0 [ 2298.891891][ T73] dst_alloc+0x97/0x150 [ 2298.891891][ T73] ip6_dst_alloc+0x23/0x90 [ 2298.891891][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2298.891891][ T73] ip6_pol_route+0x56f/0x840 [ 2298.891891][ T73] fib6_rule_lookup+0x456/0x630 [ 2298.891891][ T73] ip6_route_input+0x59c/0xa50 [ 2298.891891][ T73] ipv6_rcv+0x397/0x810 [ 2298.891891][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2298.891891][ T73] process_backlog+0x101/0x620 [ 2298.891891][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2298.891891][ T73] net_rx_action+0x495/0xbe0 [ 2298.891891][ T73] __do_softirq+0x1b5/0x7f6 [ 2298.891891][ T73] [ 2298.894419][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.894419][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.894419][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.894419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.894419][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2298.894419][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2298.894419][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2298.894419][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2298.894419][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2298.894419][ T73] addrconf_dad_begin+0x310/0x670 [ 2298.894419][ T73] addrconf_dad_work+0x10b/0xab0 [ 2298.894419][ T73] process_one_work+0x84d/0x18a0 [ 2298.894419][ T73] worker_thread+0x587/0xd30 [ 2298.894419][ T73] kthread+0x28a/0x350 [ 2298.894419][ T73] ret_from_fork+0x31/0x70 [ 2298.894419][ T73] ret_from_fork_asm+0x1a/0x30 [ 2298.894419][ T73] [ 2298.897280][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.897280][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.897280][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.897280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.897280][ T73] ip6_route_add+0x1c/0x140 [ 2298.897280][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2298.897280][ T73] inet6_addr_add+0x4f8/0xa40 [ 2298.897280][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.897280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.897280][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.897280][ T73] netlink_unicast+0x449/0x710 [ 2298.897280][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.897280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.897280][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.897280][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.897280][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.897280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.897280][ T73] [ 2298.900304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.900304][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.900304][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.900304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.900304][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2298.900304][ T73] ipv6_add_addr+0x411/0x2000 [ 2298.900304][ T73] inet6_addr_add+0x30e/0xa40 [ 2298.900304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.900304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.900304][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.900304][ T73] netlink_unicast+0x449/0x710 [ 2298.900304][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.900304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.900304][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.900304][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.900304][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.900304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.900304][ T73] [ 2298.903423][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.903423][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.903423][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.903423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.903423][ T73] ip6_route_add+0x1c/0x140 [ 2298.903423][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.903423][ T73] addrconf_add_dev+0xe2/0x170 [ 2298.903423][ T73] inet6_addr_add+0x12f/0xa40 [ 2298.903423][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.903423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.903423][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.903423][ T73] netlink_unicast+0x449/0x710 [ 2298.903423][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.903423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.903423][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.903423][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.903423][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.903423][ T73] [ 2298.906651][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.906651][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2298.906651][ T73] ipv6_find_idev+0x102/0x170 [ 2298.906651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.906651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.906651][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.906651][ T73] netlink_unicast+0x449/0x710 [ 2298.906651][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.906651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.906651][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.906651][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.906651][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.906651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.906651][ T73] [ 2298.909078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2298.909078][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2298.909078][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2298.909078][ T73] ipv6_find_idev+0x102/0x170 [ 2298.909078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.909078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.909078][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.909078][ T73] netlink_unicast+0x449/0x710 [ 2298.909078][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.909078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.909078][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.909078][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.909078][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.909078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.909078][ T73] [ 2298.911989][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2298.912411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.912411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2298.912411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2298.912411][ T73] fib6_nh_init+0xa22/0x1580 [ 2298.912411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.912411][ T73] ip6_route_add+0x1c/0x140 [ 2298.912411][ T73] inet6_rtm_newroute+0x104/0x110 [ 2298.912411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.912411][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.912411][ T73] netlink_unicast+0x449/0x710 [ 2298.912411][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.912411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.912411][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.912411][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.912411][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.912411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.912411][ T73] [ 2298.915787][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.915787][ T73] dst_init+0x84/0x4a0 [ 2298.915787][ T73] dst_alloc+0x97/0x150 [ 2298.915787][ T73] ip6_dst_alloc+0x23/0x90 [ 2298.915787][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2298.915787][ T73] ip6_pol_route+0x56f/0x840 [ 2298.915787][ T73] fib6_rule_lookup+0x456/0x630 [ 2298.915787][ T73] ip6_route_input+0x59c/0xa50 [ 2298.915787][ T73] ipv6_rcv+0x397/0x810 [ 2298.915787][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2298.915787][ T73] process_backlog+0x101/0x620 [ 2298.915787][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2298.915787][ T73] net_rx_action+0x495/0xbe0 [ 2298.915787][ T73] __do_softirq+0x1b5/0x7f6 [ 2298.915787][ T73] [ 2298.918675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.918675][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.918675][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.918675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.918675][ T73] ip6_route_add+0x1c/0x140 [ 2298.918675][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2298.918675][ T73] inet6_addr_add+0x4f8/0xa40 [ 2298.918675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.918675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.918675][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.918675][ T73] netlink_unicast+0x449/0x710 [ 2298.918675][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.918675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.918675][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.918675][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.918675][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.918675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.918675][ T73] [ 2298.922347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.922347][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.922347][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.922347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.922347][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2298.922347][ T73] ipv6_add_addr+0x411/0x2000 [ 2298.922347][ T73] inet6_addr_add+0x30e/0xa40 [ 2298.922347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.922347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.922347][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.922347][ T73] netlink_unicast+0x449/0x710 [ 2298.922347][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.922347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.922347][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.922347][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.922347][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.922347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.922347][ T73] [ 2298.925721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.925721][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.925721][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.925721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.925721][ T73] ip6_route_add+0x1c/0x140 [ 2298.925721][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.925721][ T73] addrconf_add_dev+0xe2/0x170 [ 2298.925721][ T73] inet6_addr_add+0x12f/0xa40 [ 2298.925721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.925721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.925721][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.925721][ T73] netlink_unicast+0x449/0x710 [ 2298.925721][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.925721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.925721][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.925721][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.925721][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.925721][ T73] [ 2298.928962][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.928962][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2298.928962][ T73] ipv6_find_idev+0x102/0x170 [ 2298.928962][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.928962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.928962][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.928962][ T73] netlink_unicast+0x449/0x710 [ 2298.928962][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.928962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.928962][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.928962][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.928962][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.928962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.928962][ T73] [ 2298.931792][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2298.931792][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2298.931792][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2298.931792][ T73] ipv6_find_idev+0x102/0x170 [ 2298.931792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.931792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.931792][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.931792][ T73] netlink_unicast+0x449/0x710 [ 2298.931792][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.931792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.931792][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.931792][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.931792][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.931792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.931792][ T73] [ 2298.935000][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2298.935428][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2298.935428][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.935428][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.935428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.935428][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2298.935428][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2298.935428][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2298.935428][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2298.935428][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2298.935428][ T73] addrconf_dad_begin+0x310/0x670 [ 2298.935428][ T73] addrconf_dad_work+0x10b/0xab0 [ 2298.935428][ T73] process_one_work+0x84d/0x18a0 [ 2298.935428][ T73] worker_thread+0x587/0xd30 [ 2298.935428][ T73] kthread+0x28a/0x350 [ 2298.935428][ T73] ret_from_fork+0x31/0x70 [ 2298.935428][ T73] ret_from_fork_asm+0x1a/0x30 [ 2298.935428][ T73] [ 2298.938833][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2298.938833][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.938833][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.938833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.938833][ T73] ip6_route_add+0x1c/0x140 [ 2298.938833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2298.938833][ T73] inet6_addr_add+0x4f8/0xa40 [ 2298.938833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.938833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.938833][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.938833][ T73] netlink_unicast+0x449/0x710 [ 2298.938833][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.938833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.938833][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.938833][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.938833][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.938833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.938833][ T73] [ 2298.942411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2298.942411][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.942411][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.942411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.942411][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2298.942411][ T73] ipv6_add_addr+0x411/0x2000 [ 2298.942411][ T73] inet6_addr_add+0x30e/0xa40 [ 2298.942411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.942411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.942411][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.942411][ T73] netlink_unicast+0x449/0x710 [ 2298.942411][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.942411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.942411][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.942411][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.942411][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.942411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.942411][ T73] [ 2298.945811][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2298.945811][ T73] netdev_get_by_index+0x5e/0x80 [ 2298.945811][ T73] fib6_nh_init+0x3d8/0x1580 [ 2298.945811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2298.945811][ T73] ip6_route_add+0x1c/0x140 [ 2298.945811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.945811][ T73] addrconf_add_dev+0xe2/0x170 [ 2298.945811][ T73] inet6_addr_add+0x12f/0xa40 [ 2298.945811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.945811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.945811][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.945811][ T73] netlink_unicast+0x449/0x710 [ 2298.945811][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.945811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.945811][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.945811][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.945811][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.945811][ T73] [ 2298.949081][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2298.949081][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2298.949081][ T73] ipv6_find_idev+0x102/0x170 [ 2298.949081][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.949081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.949081][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.949081][ T73] netlink_unicast+0x449/0x710 [ 2298.949081][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.949081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.949081][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.949081][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.949081][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.949081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.949081][ T73] [ 2298.951838][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2298.951838][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2298.951838][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2298.951838][ T73] ipv6_find_idev+0x102/0x170 [ 2298.951838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.951838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.951838][ T73] netlink_rcv_skb+0x130/0x360 [ 2298.951838][ T73] netlink_unicast+0x449/0x710 [ 2298.951838][ T73] netlink_sendmsg+0x723/0xbe0 [ 2298.951838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2298.951838][ T73] ___sys_sendmsg+0xee/0x170 [ 2298.951838][ T73] __sys_sendmsg+0xcd/0x170 [ 2298.951838][ T73] do_syscall_64+0xc6/0x1e0 [ 2298.951838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.951838][ T73] [ 2309.191025][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2309.191543][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.191543][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2309.191543][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2309.191543][ T73] fib6_nh_init+0xa22/0x1580 [ 2309.191543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.191543][ T73] ip6_route_add+0x1c/0x140 [ 2309.191543][ T73] inet6_rtm_newroute+0x104/0x110 [ 2309.191543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.191543][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.191543][ T73] netlink_unicast+0x449/0x710 [ 2309.191543][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.191543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.191543][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.191543][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.191543][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.191543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.191543][ T73] [ 2309.193455][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.193455][ T73] dst_init+0x84/0x4a0 [ 2309.193455][ T73] dst_alloc+0x97/0x150 [ 2309.193455][ T73] ip6_dst_alloc+0x23/0x90 [ 2309.193455][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.193455][ T73] ip6_pol_route+0x56f/0x840 [ 2309.193455][ T73] fib6_rule_lookup+0x456/0x630 [ 2309.193455][ T73] ip6_route_input+0x59c/0xa50 [ 2309.193455][ T73] ipv6_rcv+0x397/0x810 [ 2309.193455][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.193455][ T73] process_backlog+0x101/0x620 [ 2309.193455][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2309.193455][ T73] net_rx_action+0x495/0xbe0 [ 2309.193455][ T73] __do_softirq+0x1b5/0x7f6 [ 2309.193455][ T73] [ 2309.195167][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.195167][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.195167][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.195167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.195167][ T73] ip6_route_add+0x1c/0x140 [ 2309.195167][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2309.195167][ T73] inet6_addr_add+0x4f8/0xa40 [ 2309.195167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.195167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.195167][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.195167][ T73] netlink_unicast+0x449/0x710 [ 2309.195167][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.195167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.195167][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.195167][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.195167][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.195167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.195167][ T73] [ 2309.197185][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.197185][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.197185][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.197185][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.197185][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2309.197185][ T73] ipv6_add_addr+0x411/0x2000 [ 2309.197185][ T73] inet6_addr_add+0x30e/0xa40 [ 2309.197185][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.197185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.197185][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.197185][ T73] netlink_unicast+0x449/0x710 [ 2309.197185][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.197185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.197185][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.197185][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.197185][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.197185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.197185][ T73] [ 2309.199198][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.199198][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.199198][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.199198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.199198][ T73] ip6_route_add+0x1c/0x140 [ 2309.199198][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.199198][ T73] addrconf_add_dev+0xe2/0x170 [ 2309.199198][ T73] inet6_addr_add+0x12f/0xa40 [ 2309.199198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.199198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.199198][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.199198][ T73] netlink_unicast+0x449/0x710 [ 2309.199198][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.199198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.199198][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.199198][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.199198][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.199198][ T73] [ 2309.201176][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.201176][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2309.201176][ T73] ipv6_find_idev+0x102/0x170 [ 2309.201176][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.201176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.201176][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.201176][ T73] netlink_unicast+0x449/0x710 [ 2309.201176][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.201176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.201176][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.201176][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.201176][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.201176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.201176][ T73] [ 2309.202725][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2309.202725][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2309.202725][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2309.202725][ T73] ipv6_find_idev+0x102/0x170 [ 2309.202725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.202725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.202725][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.202725][ T73] netlink_unicast+0x449/0x710 [ 2309.202725][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.202725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.202725][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.202725][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.202725][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.202725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.202725][ T73] [ 2309.204447][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2309.204732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.204732][ T73] dst_init+0x84/0x4a0 [ 2309.204732][ T73] dst_alloc+0x97/0x150 [ 2309.204732][ T73] ip6_dst_alloc+0x23/0x90 [ 2309.204732][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.204732][ T73] ip6_pol_route+0x56f/0x840 [ 2309.204732][ T73] fib6_rule_lookup+0x456/0x630 [ 2309.204732][ T73] ip6_route_input+0x59c/0xa50 [ 2309.204732][ T73] ipv6_rcv+0x397/0x810 [ 2309.204732][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.204732][ T73] process_backlog+0x101/0x620 [ 2309.204732][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2309.204732][ T73] net_rx_action+0x495/0xbe0 [ 2309.204732][ T73] __do_softirq+0x1b5/0x7f6 [ 2309.204732][ T73] [ 2309.206384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.206384][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.206384][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.206384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.206384][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2309.206384][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2309.206384][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2309.206384][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2309.206384][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2309.206384][ T73] addrconf_dad_begin+0x310/0x670 [ 2309.206384][ T73] addrconf_dad_work+0x10b/0xab0 [ 2309.206384][ T73] process_one_work+0x84d/0x18a0 [ 2309.206384][ T73] worker_thread+0x587/0xd30 [ 2309.206384][ T73] kthread+0x28a/0x350 [ 2309.206384][ T73] ret_from_fork+0x31/0x70 [ 2309.206384][ T73] ret_from_fork_asm+0x1a/0x30 [ 2309.206384][ T73] [ 2309.208297][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.208297][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.208297][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.208297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.208297][ T73] ip6_route_add+0x1c/0x140 [ 2309.208297][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2309.208297][ T73] inet6_addr_add+0x4f8/0xa40 [ 2309.208297][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.208297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.208297][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.208297][ T73] netlink_unicast+0x449/0x710 [ 2309.208297][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.208297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.208297][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.208297][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.208297][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.208297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.208297][ T73] [ 2309.210303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.210303][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.210303][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.210303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.210303][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2309.210303][ T73] ipv6_add_addr+0x411/0x2000 [ 2309.210303][ T73] inet6_addr_add+0x30e/0xa40 [ 2309.210303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.210303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.210303][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.210303][ T73] netlink_unicast+0x449/0x710 [ 2309.210303][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.210303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.210303][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.210303][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.210303][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.210303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.210303][ T73] [ 2309.212309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.212309][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.212309][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.212309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.212309][ T73] ip6_route_add+0x1c/0x140 [ 2309.212309][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.212309][ T73] addrconf_add_dev+0xe2/0x170 [ 2309.212309][ T73] inet6_addr_add+0x12f/0xa40 [ 2309.212309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.212309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.212309][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.212309][ T73] netlink_unicast+0x449/0x710 [ 2309.212309][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.212309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.212309][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.212309][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.212309][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.212309][ T73] [ 2309.214273][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.214273][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2309.214273][ T73] ipv6_find_idev+0x102/0x170 [ 2309.214273][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.214273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.214273][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.214273][ T73] netlink_unicast+0x449/0x710 [ 2309.214273][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.214273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.214273][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.214273][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.214273][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.214273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.214273][ T73] [ 2309.215812][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2309.215812][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2309.215812][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2309.215812][ T73] ipv6_find_idev+0x102/0x170 [ 2309.215812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.215812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.215812][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.215812][ T73] netlink_unicast+0x449/0x710 [ 2309.215812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.215812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.215812][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.215812][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.215812][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.215812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.215812][ T73] [ 2309.217629][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2309.217914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.217914][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2309.217914][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2309.217914][ T73] fib6_nh_init+0xa22/0x1580 [ 2309.217914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.217914][ T73] ip6_route_add+0x1c/0x140 [ 2309.217914][ T73] inet6_rtm_newroute+0x104/0x110 [ 2309.217914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.217914][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.217914][ T73] netlink_unicast+0x449/0x710 [ 2309.217914][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.217914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.217914][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.217914][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.217914][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.217914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.217914][ T73] [ 2309.220103][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.220103][ T73] dst_init+0x84/0x4a0 [ 2309.220103][ T73] dst_alloc+0x97/0x150 [ 2309.220103][ T73] ip6_dst_alloc+0x23/0x90 [ 2309.220103][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.220103][ T73] ip6_pol_route+0x56f/0x840 [ 2309.220103][ T73] fib6_rule_lookup+0x456/0x630 [ 2309.220103][ T73] ip6_route_input+0x59c/0xa50 [ 2309.220103][ T73] ipv6_rcv+0x397/0x810 [ 2309.220103][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.220103][ T73] process_backlog+0x101/0x620 [ 2309.220103][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2309.220103][ T73] net_rx_action+0x495/0xbe0 [ 2309.220103][ T73] __do_softirq+0x1b5/0x7f6 [ 2309.220103][ T73] [ 2309.221936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.221936][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.221936][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.221936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.221936][ T73] ip6_route_add+0x1c/0x140 [ 2309.221936][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2309.221936][ T73] inet6_addr_add+0x4f8/0xa40 [ 2309.221936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.221936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.221936][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.221936][ T73] netlink_unicast+0x449/0x710 [ 2309.221936][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.221936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.221936][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.221936][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.221936][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.221936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.221936][ T73] [ 2309.224303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.224303][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.224303][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.224303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.224303][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2309.224303][ T73] ipv6_add_addr+0x411/0x2000 [ 2309.224303][ T73] inet6_addr_add+0x30e/0xa40 [ 2309.224303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.224303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.224303][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.224303][ T73] netlink_unicast+0x449/0x710 [ 2309.224303][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.224303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.224303][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.224303][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.224303][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.224303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.224303][ T73] [ 2309.226567][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.226567][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.226567][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.226567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.226567][ T73] ip6_route_add+0x1c/0x140 [ 2309.226567][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.226567][ T73] addrconf_add_dev+0xe2/0x170 [ 2309.226567][ T73] inet6_addr_add+0x12f/0xa40 [ 2309.226567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.226567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.226567][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.226567][ T73] netlink_unicast+0x449/0x710 [ 2309.226567][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.226567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.226567][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.226567][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.226567][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.226567][ T73] [ 2309.228778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.228778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2309.228778][ T73] ipv6_find_idev+0x102/0x170 [ 2309.228778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.228778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.228778][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.228778][ T73] netlink_unicast+0x449/0x710 [ 2309.228778][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.228778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.228778][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.228778][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.228778][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.228778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.228778][ T73] [ 2309.230505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2309.230505][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2309.230505][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2309.230505][ T73] ipv6_find_idev+0x102/0x170 [ 2309.230505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.230505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.230505][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.230505][ T73] netlink_unicast+0x449/0x710 [ 2309.230505][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.230505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.230505][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.230505][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.230505][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.230505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.230505][ T73] [ 2309.232446][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2309.232721][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2309.232721][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.232721][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.232721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.232721][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2309.232721][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2309.232721][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2309.232721][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2309.232721][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2309.232721][ T73] addrconf_dad_begin+0x310/0x670 [ 2309.232721][ T73] addrconf_dad_work+0x10b/0xab0 [ 2309.232721][ T73] process_one_work+0x84d/0x18a0 [ 2309.232721][ T73] worker_thread+0x587/0xd30 [ 2309.232721][ T73] kthread+0x28a/0x350 [ 2309.232721][ T73] ret_from_fork+0x31/0x70 [ 2309.232721][ T73] ret_from_fork_asm+0x1a/0x30 [ 2309.232721][ T73] [ 2309.234882][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2309.234882][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.234882][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.234882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.234882][ T73] ip6_route_add+0x1c/0x140 [ 2309.234882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2309.234882][ T73] inet6_addr_add+0x4f8/0xa40 [ 2309.234882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.234882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.234882][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.234882][ T73] netlink_unicast+0x449/0x710 [ 2309.234882][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.234882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.234882][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.234882][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.234882][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.234882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.234882][ T73] [ 2309.237139][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2309.237139][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.237139][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.237139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.237139][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2309.237139][ T73] ipv6_add_addr+0x411/0x2000 [ 2309.237139][ T73] inet6_addr_add+0x30e/0xa40 [ 2309.237139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.237139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.237139][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.237139][ T73] netlink_unicast+0x449/0x710 [ 2309.237139][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.237139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.237139][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.237139][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.237139][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.237139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.237139][ T73] [ 2309.239377][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2309.239377][ T73] netdev_get_by_index+0x5e/0x80 [ 2309.239377][ T73] fib6_nh_init+0x3d8/0x1580 [ 2309.239377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2309.239377][ T73] ip6_route_add+0x1c/0x140 [ 2309.239377][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.239377][ T73] addrconf_add_dev+0xe2/0x170 [ 2309.239377][ T73] inet6_addr_add+0x12f/0xa40 [ 2309.239377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.239377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.239377][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.239377][ T73] netlink_unicast+0x449/0x710 [ 2309.239377][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.239377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.239377][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.239377][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.239377][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.239377][ T73] [ 2309.241596][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2309.241596][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2309.241596][ T73] ipv6_find_idev+0x102/0x170 [ 2309.241596][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.241596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.241596][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.241596][ T73] netlink_unicast+0x449/0x710 [ 2309.241596][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.241596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.241596][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.241596][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.241596][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.241596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.241596][ T73] [ 2309.243318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2309.243318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2309.243318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2309.243318][ T73] ipv6_find_idev+0x102/0x170 [ 2309.243318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.243318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.243318][ T73] netlink_rcv_skb+0x130/0x360 [ 2309.243318][ T73] netlink_unicast+0x449/0x710 [ 2309.243318][ T73] netlink_sendmsg+0x723/0xbe0 [ 2309.243318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2309.243318][ T73] ___sys_sendmsg+0xee/0x170 [ 2309.243318][ T73] __sys_sendmsg+0xcd/0x170 [ 2309.243318][ T73] do_syscall_64+0xc6/0x1e0 [ 2309.243318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.243318][ T73] [ 2319.486919][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2319.487445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.487445][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2319.487445][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2319.487445][ T73] fib6_nh_init+0xa22/0x1580 [ 2319.487445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.487445][ T73] ip6_route_add+0x1c/0x140 [ 2319.487445][ T73] inet6_rtm_newroute+0x104/0x110 [ 2319.487445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.487445][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.487445][ T73] netlink_unicast+0x449/0x710 [ 2319.487445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.487445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.487445][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.487445][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.487445][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.487445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.487445][ T73] [ 2319.489349][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.489349][ T73] dst_init+0x84/0x4a0 [ 2319.489349][ T73] dst_alloc+0x97/0x150 [ 2319.489349][ T73] ip6_dst_alloc+0x23/0x90 [ 2319.489349][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.489349][ T73] ip6_pol_route+0x56f/0x840 [ 2319.489349][ T73] fib6_rule_lookup+0x456/0x630 [ 2319.489349][ T73] ip6_route_input+0x59c/0xa50 [ 2319.489349][ T73] ipv6_rcv+0x397/0x810 [ 2319.489349][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.489349][ T73] process_backlog+0x101/0x620 [ 2319.489349][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2319.489349][ T73] net_rx_action+0x495/0xbe0 [ 2319.489349][ T73] __do_softirq+0x1b5/0x7f6 [ 2319.489349][ T73] [ 2319.490989][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.490989][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.490989][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.490989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.490989][ T73] ip6_route_add+0x1c/0x140 [ 2319.490989][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2319.490989][ T73] inet6_addr_add+0x4f8/0xa40 [ 2319.490989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.490989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.490989][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.490989][ T73] netlink_unicast+0x449/0x710 [ 2319.490989][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.490989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.490989][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.490989][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.490989][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.490989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.490989][ T73] [ 2319.492980][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.492980][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.492980][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.492980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.492980][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2319.492980][ T73] ipv6_add_addr+0x411/0x2000 [ 2319.492980][ T73] inet6_addr_add+0x30e/0xa40 [ 2319.492980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.492980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.492980][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.492980][ T73] netlink_unicast+0x449/0x710 [ 2319.492980][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.492980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.492980][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.492980][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.492980][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.492980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.492980][ T73] [ 2319.494973][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.494973][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.494973][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.494973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.494973][ T73] ip6_route_add+0x1c/0x140 [ 2319.494973][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.494973][ T73] addrconf_add_dev+0xe2/0x170 [ 2319.494973][ T73] inet6_addr_add+0x12f/0xa40 [ 2319.494973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.494973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.494973][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.494973][ T73] netlink_unicast+0x449/0x710 [ 2319.494973][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.494973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.494973][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.494973][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.494973][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.494973][ T73] [ 2319.496930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.496930][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2319.496930][ T73] ipv6_find_idev+0x102/0x170 [ 2319.496930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.496930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.496930][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.496930][ T73] netlink_unicast+0x449/0x710 [ 2319.496930][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.496930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.496930][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.496930][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.496930][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.496930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.496930][ T73] [ 2319.498458][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2319.498458][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2319.498458][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2319.498458][ T73] ipv6_find_idev+0x102/0x170 [ 2319.498458][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.498458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.498458][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.498458][ T73] netlink_unicast+0x449/0x710 [ 2319.498458][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.498458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.498458][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.498458][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.498458][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.498458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.498458][ T73] [ 2319.500142][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2319.500416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.500416][ T73] dst_init+0x84/0x4a0 [ 2319.500416][ T73] dst_alloc+0x97/0x150 [ 2319.500416][ T73] ip6_dst_alloc+0x23/0x90 [ 2319.500416][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.500416][ T73] ip6_pol_route+0x56f/0x840 [ 2319.500416][ T73] fib6_rule_lookup+0x456/0x630 [ 2319.500416][ T73] ip6_route_input+0x59c/0xa50 [ 2319.500416][ T73] ipv6_rcv+0x397/0x810 [ 2319.500416][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.500416][ T73] process_backlog+0x101/0x620 [ 2319.500416][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2319.500416][ T73] net_rx_action+0x495/0xbe0 [ 2319.500416][ T73] __do_softirq+0x1b5/0x7f6 [ 2319.500416][ T73] [ 2319.502048][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.502048][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.502048][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.502048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.502048][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2319.502048][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2319.502048][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2319.502048][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2319.502048][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2319.502048][ T73] addrconf_dad_begin+0x310/0x670 [ 2319.502048][ T73] addrconf_dad_work+0x10b/0xab0 [ 2319.502048][ T73] process_one_work+0x84d/0x18a0 [ 2319.502048][ T73] worker_thread+0x587/0xd30 [ 2319.502048][ T73] kthread+0x28a/0x350 [ 2319.502048][ T73] ret_from_fork+0x31/0x70 [ 2319.502048][ T73] ret_from_fork_asm+0x1a/0x30 [ 2319.502048][ T73] [ 2319.503950][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.503950][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.503950][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.503950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.503950][ T73] ip6_route_add+0x1c/0x140 [ 2319.503950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2319.503950][ T73] inet6_addr_add+0x4f8/0xa40 [ 2319.503950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.503950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.503950][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.503950][ T73] netlink_unicast+0x449/0x710 [ 2319.503950][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.503950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.503950][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.503950][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.503950][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.503950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.503950][ T73] [ 2319.505942][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.505942][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.505942][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.505942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.505942][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2319.505942][ T73] ipv6_add_addr+0x411/0x2000 [ 2319.505942][ T73] inet6_addr_add+0x30e/0xa40 [ 2319.505942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.505942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.505942][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.505942][ T73] netlink_unicast+0x449/0x710 [ 2319.505942][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.505942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.505942][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.505942][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.505942][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.505942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.505942][ T73] [ 2319.507930][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.507930][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.507930][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.507930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.507930][ T73] ip6_route_add+0x1c/0x140 [ 2319.507930][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.507930][ T73] addrconf_add_dev+0xe2/0x170 [ 2319.507930][ T73] inet6_addr_add+0x12f/0xa40 [ 2319.507930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.507930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.507930][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.507930][ T73] netlink_unicast+0x449/0x710 [ 2319.507930][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.507930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.507930][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.507930][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.507930][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.507930][ T73] [ 2319.509889][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.509889][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2319.509889][ T73] ipv6_find_idev+0x102/0x170 [ 2319.509889][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.509889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.509889][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.509889][ T73] netlink_unicast+0x449/0x710 [ 2319.509889][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.509889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.509889][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.509889][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.509889][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.509889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.509889][ T73] [ 2319.511422][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2319.511422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2319.511422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2319.511422][ T73] ipv6_find_idev+0x102/0x170 [ 2319.511422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.511422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.511422][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.511422][ T73] netlink_unicast+0x449/0x710 [ 2319.511422][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.511422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.511422][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.511422][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.511422][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.511422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.511422][ T73] [ 2319.513243][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2319.513508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.513508][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2319.513508][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2319.513508][ T73] fib6_nh_init+0xa22/0x1580 [ 2319.513508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.513508][ T73] ip6_route_add+0x1c/0x140 [ 2319.513508][ T73] inet6_rtm_newroute+0x104/0x110 [ 2319.513508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.513508][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.513508][ T73] netlink_unicast+0x449/0x710 [ 2319.513508][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.513508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.513508][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.513508][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.513508][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.513508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.513508][ T73] [ 2319.515677][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.515677][ T73] dst_init+0x84/0x4a0 [ 2319.515677][ T73] dst_alloc+0x97/0x150 [ 2319.515677][ T73] ip6_dst_alloc+0x23/0x90 [ 2319.515677][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.515677][ T73] ip6_pol_route+0x56f/0x840 [ 2319.515677][ T73] fib6_rule_lookup+0x456/0x630 [ 2319.515677][ T73] ip6_route_input+0x59c/0xa50 [ 2319.515677][ T73] ipv6_rcv+0x397/0x810 [ 2319.515677][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.515677][ T73] process_backlog+0x101/0x620 [ 2319.515677][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2319.515677][ T73] net_rx_action+0x495/0xbe0 [ 2319.515677][ T73] __do_softirq+0x1b5/0x7f6 [ 2319.515677][ T73] [ 2319.517481][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.517481][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.517481][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.517481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.517481][ T73] ip6_route_add+0x1c/0x140 [ 2319.517481][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2319.517481][ T73] inet6_addr_add+0x4f8/0xa40 [ 2319.517481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.517481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.517481][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.517481][ T73] netlink_unicast+0x449/0x710 [ 2319.517481][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.517481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.517481][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.517481][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.517481][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.517481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.517481][ T73] [ 2319.519711][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.519711][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.519711][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.519711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.519711][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2319.519711][ T73] ipv6_add_addr+0x411/0x2000 [ 2319.519711][ T73] inet6_addr_add+0x30e/0xa40 [ 2319.519711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.519711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.519711][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.519711][ T73] netlink_unicast+0x449/0x710 [ 2319.519711][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.519711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.519711][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.519711][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.519711][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.519711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.519711][ T73] [ 2319.521953][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.521953][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.521953][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.521953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.521953][ T73] ip6_route_add+0x1c/0x140 [ 2319.521953][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.521953][ T73] addrconf_add_dev+0xe2/0x170 [ 2319.521953][ T73] inet6_addr_add+0x12f/0xa40 [ 2319.521953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.521953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.521953][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.521953][ T73] netlink_unicast+0x449/0x710 [ 2319.521953][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.521953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.521953][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.521953][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.521953][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.521953][ T73] [ 2319.524266][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.524266][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2319.524266][ T73] ipv6_find_idev+0x102/0x170 [ 2319.524266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.524266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.524266][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.524266][ T73] netlink_unicast+0x449/0x710 [ 2319.524266][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.524266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.524266][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.524266][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.524266][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.524266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.524266][ T73] [ 2319.525988][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2319.525988][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2319.525988][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2319.525988][ T73] ipv6_find_idev+0x102/0x170 [ 2319.525988][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.525988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.525988][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.525988][ T73] netlink_unicast+0x449/0x710 [ 2319.525988][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.525988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.525988][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.525988][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.525988][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.525988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.525988][ T73] [ 2319.527914][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2319.528184][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2319.528184][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.528184][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.528184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.528184][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2319.528184][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2319.528184][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2319.528184][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2319.528184][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2319.528184][ T73] addrconf_dad_begin+0x310/0x670 [ 2319.528184][ T73] addrconf_dad_work+0x10b/0xab0 [ 2319.528184][ T73] process_one_work+0x84d/0x18a0 [ 2319.528184][ T73] worker_thread+0x587/0xd30 [ 2319.528184][ T73] kthread+0x28a/0x350 [ 2319.528184][ T73] ret_from_fork+0x31/0x70 [ 2319.528184][ T73] ret_from_fork_asm+0x1a/0x30 [ 2319.528184][ T73] [ 2319.530357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2319.530357][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.530357][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.530357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.530357][ T73] ip6_route_add+0x1c/0x140 [ 2319.530357][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2319.530357][ T73] inet6_addr_add+0x4f8/0xa40 [ 2319.530357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.530357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.530357][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.530357][ T73] netlink_unicast+0x449/0x710 [ 2319.530357][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.530357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.530357][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.530357][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.530357][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.530357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.530357][ T73] [ 2319.532594][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2319.532594][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.532594][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.532594][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.532594][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2319.532594][ T73] ipv6_add_addr+0x411/0x2000 [ 2319.532594][ T73] inet6_addr_add+0x30e/0xa40 [ 2319.532594][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.532594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.532594][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.532594][ T73] netlink_unicast+0x449/0x710 [ 2319.532594][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.532594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.532594][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.532594][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.532594][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.532594][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.532594][ T73] [ 2319.534831][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2319.534831][ T73] netdev_get_by_index+0x5e/0x80 [ 2319.534831][ T73] fib6_nh_init+0x3d8/0x1580 [ 2319.534831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2319.534831][ T73] ip6_route_add+0x1c/0x140 [ 2319.534831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.534831][ T73] addrconf_add_dev+0xe2/0x170 [ 2319.534831][ T73] inet6_addr_add+0x12f/0xa40 [ 2319.534831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.534831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.534831][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.534831][ T73] netlink_unicast+0x449/0x710 [ 2319.534831][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.534831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.534831][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.534831][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.534831][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.534831][ T73] [ 2319.537034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2319.537034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2319.537034][ T73] ipv6_find_idev+0x102/0x170 [ 2319.537034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.537034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.537034][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.537034][ T73] netlink_unicast+0x449/0x710 [ 2319.537034][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.537034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.537034][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.537034][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.537034][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.537034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.537034][ T73] [ 2319.538820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2319.538820][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2319.538820][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2319.538820][ T73] ipv6_find_idev+0x102/0x170 [ 2319.538820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.538820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.538820][ T73] netlink_rcv_skb+0x130/0x360 [ 2319.538820][ T73] netlink_unicast+0x449/0x710 [ 2319.538820][ T73] netlink_sendmsg+0x723/0xbe0 [ 2319.538820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2319.538820][ T73] ___sys_sendmsg+0xee/0x170 [ 2319.538820][ T73] __sys_sendmsg+0xcd/0x170 [ 2319.538820][ T73] do_syscall_64+0xc6/0x1e0 [ 2319.538820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.538820][ T73] [ 2329.782920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2329.783456][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.783456][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2329.783456][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2329.783456][ T73] fib6_nh_init+0xa22/0x1580 [ 2329.783456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.783456][ T73] ip6_route_add+0x1c/0x140 [ 2329.783456][ T73] inet6_rtm_newroute+0x104/0x110 [ 2329.783456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.783456][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.783456][ T73] netlink_unicast+0x449/0x710 [ 2329.783456][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.783456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.783456][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.783456][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.783456][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.783456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.783456][ T73] [ 2329.785446][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.785446][ T73] dst_init+0x84/0x4a0 [ 2329.785446][ T73] dst_alloc+0x97/0x150 [ 2329.785446][ T73] ip6_dst_alloc+0x23/0x90 [ 2329.785446][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.785446][ T73] ip6_pol_route+0x56f/0x840 [ 2329.785446][ T73] fib6_rule_lookup+0x456/0x630 [ 2329.785446][ T73] ip6_route_input+0x59c/0xa50 [ 2329.785446][ T73] ipv6_rcv+0x397/0x810 [ 2329.785446][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.785446][ T73] process_backlog+0x101/0x620 [ 2329.785446][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2329.785446][ T73] net_rx_action+0x495/0xbe0 [ 2329.785446][ T73] __do_softirq+0x1b5/0x7f6 [ 2329.785446][ T73] [ 2329.787140][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.787140][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.787140][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.787140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.787140][ T73] ip6_route_add+0x1c/0x140 [ 2329.787140][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2329.787140][ T73] inet6_addr_add+0x4f8/0xa40 [ 2329.787140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.787140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.787140][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.787140][ T73] netlink_unicast+0x449/0x710 [ 2329.787140][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.787140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.787140][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.787140][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.787140][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.787140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.787140][ T73] [ 2329.789133][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.789133][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.789133][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.789133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.789133][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2329.789133][ T73] ipv6_add_addr+0x411/0x2000 [ 2329.789133][ T73] inet6_addr_add+0x30e/0xa40 [ 2329.789133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.789133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.789133][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.789133][ T73] netlink_unicast+0x449/0x710 [ 2329.789133][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.789133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.789133][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.789133][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.789133][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.789133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.789133][ T73] [ 2329.791131][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.791131][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.791131][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.791131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.791131][ T73] ip6_route_add+0x1c/0x140 [ 2329.791131][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.791131][ T73] addrconf_add_dev+0xe2/0x170 [ 2329.791131][ T73] inet6_addr_add+0x12f/0xa40 [ 2329.791131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.791131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.791131][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.791131][ T73] netlink_unicast+0x449/0x710 [ 2329.791131][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.791131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.791131][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.791131][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.791131][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.791131][ T73] [ 2329.793628][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.793628][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2329.793628][ T73] ipv6_find_idev+0x102/0x170 [ 2329.793628][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.793628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.793628][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.793628][ T73] netlink_unicast+0x449/0x710 [ 2329.793628][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.793628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.793628][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.793628][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.793628][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.793628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.793628][ T73] [ 2329.795164][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2329.795164][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2329.795164][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2329.795164][ T73] ipv6_find_idev+0x102/0x170 [ 2329.795164][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.795164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.795164][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.795164][ T73] netlink_unicast+0x449/0x710 [ 2329.795164][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.795164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.795164][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.795164][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.795164][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.795164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.795164][ T73] [ 2329.796869][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2329.797153][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.797153][ T73] dst_init+0x84/0x4a0 [ 2329.797153][ T73] dst_alloc+0x97/0x150 [ 2329.797153][ T73] ip6_dst_alloc+0x23/0x90 [ 2329.797153][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.797153][ T73] ip6_pol_route+0x56f/0x840 [ 2329.797153][ T73] fib6_rule_lookup+0x456/0x630 [ 2329.797153][ T73] ip6_route_input+0x59c/0xa50 [ 2329.797153][ T73] ipv6_rcv+0x397/0x810 [ 2329.797153][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.797153][ T73] process_backlog+0x101/0x620 [ 2329.797153][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2329.797153][ T73] net_rx_action+0x495/0xbe0 [ 2329.797153][ T73] __do_softirq+0x1b5/0x7f6 [ 2329.797153][ T73] [ 2329.798790][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.798790][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.798790][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.798790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.798790][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2329.798790][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2329.798790][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2329.798790][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2329.798790][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2329.798790][ T73] addrconf_dad_begin+0x310/0x670 [ 2329.798790][ T73] addrconf_dad_work+0x10b/0xab0 [ 2329.798790][ T73] process_one_work+0x84d/0x18a0 [ 2329.798790][ T73] worker_thread+0x587/0xd30 [ 2329.798790][ T73] kthread+0x28a/0x350 [ 2329.798790][ T73] ret_from_fork+0x31/0x70 [ 2329.798790][ T73] ret_from_fork_asm+0x1a/0x30 [ 2329.798790][ T73] [ 2329.801147][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.801147][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.801147][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.801147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.801147][ T73] ip6_route_add+0x1c/0x140 [ 2329.801147][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2329.801147][ T73] inet6_addr_add+0x4f8/0xa40 [ 2329.801147][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.801147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.801147][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.801147][ T73] netlink_unicast+0x449/0x710 [ 2329.801147][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.801147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.801147][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.801147][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.801147][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.801147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.801147][ T73] [ 2329.803138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.803138][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.803138][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.803138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.803138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2329.803138][ T73] ipv6_add_addr+0x411/0x2000 [ 2329.803138][ T73] inet6_addr_add+0x30e/0xa40 [ 2329.803138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.803138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.803138][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.803138][ T73] netlink_unicast+0x449/0x710 [ 2329.803138][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.803138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.803138][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.803138][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.803138][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.803138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.803138][ T73] [ 2329.805125][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.805125][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.805125][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.805125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.805125][ T73] ip6_route_add+0x1c/0x140 [ 2329.805125][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.805125][ T73] addrconf_add_dev+0xe2/0x170 [ 2329.805125][ T73] inet6_addr_add+0x12f/0xa40 [ 2329.805125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.805125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.805125][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.805125][ T73] netlink_unicast+0x449/0x710 [ 2329.805125][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.805125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.805125][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.805125][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.805125][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.805125][ T73] [ 2329.807086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.807086][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2329.807086][ T73] ipv6_find_idev+0x102/0x170 [ 2329.807086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.807086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.807086][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.807086][ T73] netlink_unicast+0x449/0x710 [ 2329.807086][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.807086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.807086][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.807086][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.807086][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.807086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.807086][ T73] [ 2329.808614][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2329.808614][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2329.808614][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2329.808614][ T73] ipv6_find_idev+0x102/0x170 [ 2329.808614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.808614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.808614][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.808614][ T73] netlink_unicast+0x449/0x710 [ 2329.808614][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.808614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.808614][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.808614][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.808614][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.808614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.808614][ T73] [ 2329.810428][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2329.810759][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.810759][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2329.810759][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2329.810759][ T73] fib6_nh_init+0xa22/0x1580 [ 2329.810759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.810759][ T73] ip6_route_add+0x1c/0x140 [ 2329.810759][ T73] inet6_rtm_newroute+0x104/0x110 [ 2329.810759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.810759][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.810759][ T73] netlink_unicast+0x449/0x710 [ 2329.810759][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.810759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.810759][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.810759][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.810759][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.810759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.810759][ T73] [ 2329.812820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.812820][ T73] dst_init+0x84/0x4a0 [ 2329.812820][ T73] dst_alloc+0x97/0x150 [ 2329.812820][ T73] ip6_dst_alloc+0x23/0x90 [ 2329.812820][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.812820][ T73] ip6_pol_route+0x56f/0x840 [ 2329.812820][ T73] fib6_rule_lookup+0x456/0x630 [ 2329.812820][ T73] ip6_route_input+0x59c/0xa50 [ 2329.812820][ T73] ipv6_rcv+0x397/0x810 [ 2329.812820][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.812820][ T73] process_backlog+0x101/0x620 [ 2329.812820][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2329.812820][ T73] net_rx_action+0x495/0xbe0 [ 2329.812820][ T73] __do_softirq+0x1b5/0x7f6 [ 2329.812820][ T73] [ 2329.814631][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.814631][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.814631][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.814631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.814631][ T73] ip6_route_add+0x1c/0x140 [ 2329.814631][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2329.814631][ T73] inet6_addr_add+0x4f8/0xa40 [ 2329.814631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.814631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.814631][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.814631][ T73] netlink_unicast+0x449/0x710 [ 2329.814631][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.814631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.814631][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.814631][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.814631][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.814631][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.814631][ T73] [ 2329.816919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.816919][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.816919][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.816919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.816919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2329.816919][ T73] ipv6_add_addr+0x411/0x2000 [ 2329.816919][ T73] inet6_addr_add+0x30e/0xa40 [ 2329.816919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.816919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.816919][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.816919][ T73] netlink_unicast+0x449/0x710 [ 2329.816919][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.816919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.816919][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.816919][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.816919][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.816919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.816919][ T73] [ 2329.819167][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.819167][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.819167][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.819167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.819167][ T73] ip6_route_add+0x1c/0x140 [ 2329.819167][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.819167][ T73] addrconf_add_dev+0xe2/0x170 [ 2329.819167][ T73] inet6_addr_add+0x12f/0xa40 [ 2329.819167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.819167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.819167][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.819167][ T73] netlink_unicast+0x449/0x710 [ 2329.819167][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.819167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.819167][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.819167][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.819167][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.819167][ T73] [ 2329.821407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.821407][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2329.821407][ T73] ipv6_find_idev+0x102/0x170 [ 2329.821407][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.821407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.821407][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.821407][ T73] netlink_unicast+0x449/0x710 [ 2329.821407][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.821407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.821407][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.821407][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.821407][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.821407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.821407][ T73] [ 2329.823116][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2329.823116][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2329.823116][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2329.823116][ T73] ipv6_find_idev+0x102/0x170 [ 2329.823116][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.823116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.823116][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.823116][ T73] netlink_unicast+0x449/0x710 [ 2329.823116][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.823116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.823116][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.823116][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.823116][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.823116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.823116][ T73] [ 2329.825057][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2329.825333][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2329.825333][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.825333][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.825333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.825333][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2329.825333][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2329.825333][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2329.825333][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2329.825333][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2329.825333][ T73] addrconf_dad_begin+0x310/0x670 [ 2329.825333][ T73] addrconf_dad_work+0x10b/0xab0 [ 2329.825333][ T73] process_one_work+0x84d/0x18a0 [ 2329.825333][ T73] worker_thread+0x587/0xd30 [ 2329.825333][ T73] kthread+0x28a/0x350 [ 2329.825333][ T73] ret_from_fork+0x31/0x70 [ 2329.825333][ T73] ret_from_fork_asm+0x1a/0x30 [ 2329.825333][ T73] [ 2329.827473][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2329.827473][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.827473][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.827473][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.827473][ T73] ip6_route_add+0x1c/0x140 [ 2329.827473][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2329.827473][ T73] inet6_addr_add+0x4f8/0xa40 [ 2329.827473][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.827473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.827473][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.827473][ T73] netlink_unicast+0x449/0x710 [ 2329.827473][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.827473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.827473][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.827473][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.827473][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.827473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.827473][ T73] [ 2329.829713][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2329.829713][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.829713][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.829713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.829713][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2329.829713][ T73] ipv6_add_addr+0x411/0x2000 [ 2329.829713][ T73] inet6_addr_add+0x30e/0xa40 [ 2329.829713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.829713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.829713][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.829713][ T73] netlink_unicast+0x449/0x710 [ 2329.829713][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.829713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.829713][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.829713][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.829713][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.829713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.829713][ T73] [ 2329.831938][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2329.831938][ T73] netdev_get_by_index+0x5e/0x80 [ 2329.831938][ T73] fib6_nh_init+0x3d8/0x1580 [ 2329.831938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2329.831938][ T73] ip6_route_add+0x1c/0x140 [ 2329.831938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.831938][ T73] addrconf_add_dev+0xe2/0x170 [ 2329.831938][ T73] inet6_addr_add+0x12f/0xa40 [ 2329.831938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.831938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.831938][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.831938][ T73] netlink_unicast+0x449/0x710 [ 2329.831938][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.831938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.831938][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.831938][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.831938][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.831938][ T73] [ 2329.834074][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2329.834074][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2329.834074][ T73] ipv6_find_idev+0x102/0x170 [ 2329.834074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.834074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.834074][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.834074][ T73] netlink_unicast+0x449/0x710 [ 2329.834074][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.834074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.834074][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.834074][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.834074][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.834074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.834074][ T73] [ 2329.835870][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2329.835870][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2329.835870][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2329.835870][ T73] ipv6_find_idev+0x102/0x170 [ 2329.835870][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.835870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.835870][ T73] netlink_rcv_skb+0x130/0x360 [ 2329.835870][ T73] netlink_unicast+0x449/0x710 [ 2329.835870][ T73] netlink_sendmsg+0x723/0xbe0 [ 2329.835870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2329.835870][ T73] ___sys_sendmsg+0xee/0x170 [ 2329.835870][ T73] __sys_sendmsg+0xcd/0x170 [ 2329.835870][ T73] do_syscall_64+0xc6/0x1e0 [ 2329.835870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.835870][ T73] [ 2340.078878][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2340.079422][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.079422][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2340.079422][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2340.079422][ T73] fib6_nh_init+0xa22/0x1580 [ 2340.079422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.079422][ T73] ip6_route_add+0x1c/0x140 [ 2340.079422][ T73] inet6_rtm_newroute+0x104/0x110 [ 2340.079422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.079422][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.079422][ T73] netlink_unicast+0x449/0x710 [ 2340.079422][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.079422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.079422][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.079422][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.079422][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.079422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.079422][ T73] [ 2340.081426][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.081426][ T73] dst_init+0x84/0x4a0 [ 2340.081426][ T73] dst_alloc+0x97/0x150 [ 2340.081426][ T73] ip6_dst_alloc+0x23/0x90 [ 2340.081426][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2340.081426][ T73] ip6_pol_route+0x56f/0x840 [ 2340.081426][ T73] fib6_rule_lookup+0x456/0x630 [ 2340.081426][ T73] ip6_route_input+0x59c/0xa50 [ 2340.081426][ T73] ipv6_rcv+0x397/0x810 [ 2340.081426][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2340.081426][ T73] process_backlog+0x101/0x620 [ 2340.081426][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2340.081426][ T73] net_rx_action+0x495/0xbe0 [ 2340.081426][ T73] __do_softirq+0x1b5/0x7f6 [ 2340.081426][ T73] [ 2340.083156][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.083156][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.083156][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.083156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.083156][ T73] ip6_route_add+0x1c/0x140 [ 2340.083156][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2340.083156][ T73] inet6_addr_add+0x4f8/0xa40 [ 2340.083156][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.083156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.083156][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.083156][ T73] netlink_unicast+0x449/0x710 [ 2340.083156][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.083156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.083156][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.083156][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.083156][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.083156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.083156][ T73] [ 2340.085268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.085268][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.085268][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.085268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.085268][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2340.085268][ T73] ipv6_add_addr+0x411/0x2000 [ 2340.085268][ T73] inet6_addr_add+0x30e/0xa40 [ 2340.085268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.085268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.085268][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.085268][ T73] netlink_unicast+0x449/0x710 [ 2340.085268][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.085268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.085268][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.085268][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.085268][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.085268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.085268][ T73] [ 2340.087383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.087383][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.087383][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.087383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.087383][ T73] ip6_route_add+0x1c/0x140 [ 2340.087383][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.087383][ T73] addrconf_add_dev+0xe2/0x170 [ 2340.087383][ T73] inet6_addr_add+0x12f/0xa40 [ 2340.087383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.087383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.087383][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.087383][ T73] netlink_unicast+0x449/0x710 [ 2340.087383][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.087383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.087383][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.087383][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.087383][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.087383][ T73] [ 2340.089486][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.089486][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2340.089486][ T73] ipv6_find_idev+0x102/0x170 [ 2340.089486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.089486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.089486][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.089486][ T73] netlink_unicast+0x449/0x710 [ 2340.089486][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.089486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.089486][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.089486][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.089486][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.089486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.089486][ T73] [ 2340.091026][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2340.091026][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2340.091026][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2340.091026][ T73] ipv6_find_idev+0x102/0x170 [ 2340.091026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.091026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.091026][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.091026][ T73] netlink_unicast+0x449/0x710 [ 2340.091026][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.091026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.091026][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.091026][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.091026][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.091026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.091026][ T73] [ 2340.092731][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2340.093021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.093021][ T73] dst_init+0x84/0x4a0 [ 2340.093021][ T73] dst_alloc+0x97/0x150 [ 2340.093021][ T73] ip6_dst_alloc+0x23/0x90 [ 2340.093021][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2340.093021][ T73] ip6_pol_route+0x56f/0x840 [ 2340.093021][ T73] fib6_rule_lookup+0x456/0x630 [ 2340.093021][ T73] ip6_route_input+0x59c/0xa50 [ 2340.093021][ T73] ipv6_rcv+0x397/0x810 [ 2340.093021][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2340.093021][ T73] process_backlog+0x101/0x620 [ 2340.093021][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2340.093021][ T73] net_rx_action+0x495/0xbe0 [ 2340.093021][ T73] __do_softirq+0x1b5/0x7f6 [ 2340.093021][ T73] [ 2340.094657][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.094657][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.094657][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.094657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.094657][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2340.094657][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2340.094657][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2340.094657][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2340.094657][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2340.094657][ T73] addrconf_dad_begin+0x310/0x670 [ 2340.094657][ T73] addrconf_dad_work+0x10b/0xab0 [ 2340.094657][ T73] process_one_work+0x84d/0x18a0 [ 2340.094657][ T73] worker_thread+0x587/0xd30 [ 2340.094657][ T73] kthread+0x28a/0x350 [ 2340.094657][ T73] ret_from_fork+0x31/0x70 [ 2340.094657][ T73] ret_from_fork_asm+0x1a/0x30 [ 2340.094657][ T73] [ 2340.096554][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.096554][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.096554][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.096554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.096554][ T73] ip6_route_add+0x1c/0x140 [ 2340.096554][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2340.096554][ T73] inet6_addr_add+0x4f8/0xa40 [ 2340.096554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.096554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.096554][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.096554][ T73] netlink_unicast+0x449/0x710 [ 2340.096554][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.096554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.096554][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.096554][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.096554][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.096554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.096554][ T73] [ 2340.098540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.098540][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.098540][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.098540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.098540][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2340.098540][ T73] ipv6_add_addr+0x411/0x2000 [ 2340.098540][ T73] inet6_addr_add+0x30e/0xa40 [ 2340.098540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.098540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.098540][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.098540][ T73] netlink_unicast+0x449/0x710 [ 2340.098540][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.098540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.098540][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.098540][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.098540][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.098540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.098540][ T73] [ 2340.100543][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.100543][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.100543][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.100543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.100543][ T73] ip6_route_add+0x1c/0x140 [ 2340.100543][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.100543][ T73] addrconf_add_dev+0xe2/0x170 [ 2340.100543][ T73] inet6_addr_add+0x12f/0xa40 [ 2340.100543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.100543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.100543][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.100543][ T73] netlink_unicast+0x449/0x710 [ 2340.100543][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.100543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.100543][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.100543][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.100543][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.100543][ T73] [ 2340.102620][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.102620][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2340.102620][ T73] ipv6_find_idev+0x102/0x170 [ 2340.102620][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.102620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.102620][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.102620][ T73] netlink_unicast+0x449/0x710 [ 2340.102620][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.102620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.102620][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.102620][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.102620][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.102620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.102620][ T73] [ 2340.104260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2340.104260][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2340.104260][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2340.104260][ T73] ipv6_find_idev+0x102/0x170 [ 2340.104260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.104260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.104260][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.104260][ T73] netlink_unicast+0x449/0x710 [ 2340.104260][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.104260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.104260][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.104260][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.104260][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.104260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.104260][ T73] [ 2340.106124][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2340.106422][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.106422][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2340.106422][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2340.106422][ T73] fib6_nh_init+0xa22/0x1580 [ 2340.106422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.106422][ T73] ip6_route_add+0x1c/0x140 [ 2340.106422][ T73] inet6_rtm_newroute+0x104/0x110 [ 2340.106422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.106422][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.106422][ T73] netlink_unicast+0x449/0x710 [ 2340.106422][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.106422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.106422][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.106422][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.106422][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.106422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.106422][ T73] [ 2340.108531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.108531][ T73] dst_init+0x84/0x4a0 [ 2340.108531][ T73] dst_alloc+0x97/0x150 [ 2340.108531][ T73] ip6_dst_alloc+0x23/0x90 [ 2340.108531][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2340.108531][ T73] ip6_pol_route+0x56f/0x840 [ 2340.108531][ T73] fib6_rule_lookup+0x456/0x630 [ 2340.108531][ T73] ip6_route_input+0x59c/0xa50 [ 2340.108531][ T73] ipv6_rcv+0x397/0x810 [ 2340.108531][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2340.108531][ T73] process_backlog+0x101/0x620 [ 2340.108531][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2340.108531][ T73] net_rx_action+0x495/0xbe0 [ 2340.108531][ T73] __do_softirq+0x1b5/0x7f6 [ 2340.108531][ T73] [ 2340.110319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.110319][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.110319][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.110319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.110319][ T73] ip6_route_add+0x1c/0x140 [ 2340.110319][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2340.110319][ T73] inet6_addr_add+0x4f8/0xa40 [ 2340.110319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.110319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.110319][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.110319][ T73] netlink_unicast+0x449/0x710 [ 2340.110319][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.110319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.110319][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.110319][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.110319][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.110319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.110319][ T73] [ 2340.112558][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.112558][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.112558][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.112558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.112558][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2340.112558][ T73] ipv6_add_addr+0x411/0x2000 [ 2340.112558][ T73] inet6_addr_add+0x30e/0xa40 [ 2340.112558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.112558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.112558][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.112558][ T73] netlink_unicast+0x449/0x710 [ 2340.112558][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.112558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.112558][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.112558][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.112558][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.112558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.112558][ T73] [ 2340.114744][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.114744][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.114744][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.114744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.114744][ T73] ip6_route_add+0x1c/0x140 [ 2340.114744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.114744][ T73] addrconf_add_dev+0xe2/0x170 [ 2340.114744][ T73] inet6_addr_add+0x12f/0xa40 [ 2340.114744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.114744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.114744][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.114744][ T73] netlink_unicast+0x449/0x710 [ 2340.114744][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.114744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.114744][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.114744][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.114744][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.114744][ T73] [ 2340.116827][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.116827][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2340.116827][ T73] ipv6_find_idev+0x102/0x170 [ 2340.116827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.116827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.116827][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.116827][ T73] netlink_unicast+0x449/0x710 [ 2340.116827][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.116827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.116827][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.116827][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.116827][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.116827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.116827][ T73] [ 2340.118495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2340.118495][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2340.118495][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2340.118495][ T73] ipv6_find_idev+0x102/0x170 [ 2340.118495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.118495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.118495][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.118495][ T73] netlink_unicast+0x449/0x710 [ 2340.118495][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.118495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.118495][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.118495][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.118495][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.118495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.118495][ T73] [ 2340.120334][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2340.120612][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2340.120612][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.120612][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.120612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.120612][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2340.120612][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2340.120612][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2340.120612][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2340.120612][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2340.120612][ T73] addrconf_dad_begin+0x310/0x670 [ 2340.120612][ T73] addrconf_dad_work+0x10b/0xab0 [ 2340.120612][ T73] process_one_work+0x84d/0x18a0 [ 2340.120612][ T73] worker_thread+0x587/0xd30 [ 2340.120612][ T73] kthread+0x28a/0x350 [ 2340.120612][ T73] ret_from_fork+0x31/0x70 [ 2340.120612][ T73] ret_from_fork_asm+0x1a/0x30 [ 2340.120612][ T73] [ 2340.122752][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2340.122752][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.122752][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.122752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.122752][ T73] ip6_route_add+0x1c/0x140 [ 2340.122752][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2340.122752][ T73] inet6_addr_add+0x4f8/0xa40 [ 2340.122752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.122752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.122752][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.122752][ T73] netlink_unicast+0x449/0x710 [ 2340.122752][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.122752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.122752][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.122752][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.122752][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.122752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.122752][ T73] [ 2340.124965][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2340.124965][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.124965][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.124965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.124965][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2340.124965][ T73] ipv6_add_addr+0x411/0x2000 [ 2340.124965][ T73] inet6_addr_add+0x30e/0xa40 [ 2340.124965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.124965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.124965][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.124965][ T73] netlink_unicast+0x449/0x710 [ 2340.124965][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.124965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.124965][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.124965][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.124965][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.124965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.124965][ T73] [ 2340.127211][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2340.127211][ T73] netdev_get_by_index+0x5e/0x80 [ 2340.127211][ T73] fib6_nh_init+0x3d8/0x1580 [ 2340.127211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2340.127211][ T73] ip6_route_add+0x1c/0x140 [ 2340.127211][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.127211][ T73] addrconf_add_dev+0xe2/0x170 [ 2340.127211][ T73] inet6_addr_add+0x12f/0xa40 [ 2340.127211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.127211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.127211][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.127211][ T73] netlink_unicast+0x449/0x710 [ 2340.127211][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.127211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.127211][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.127211][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.127211][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.127211][ T73] [ 2340.129534][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2340.129534][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2340.129534][ T73] ipv6_find_idev+0x102/0x170 [ 2340.129534][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.129534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.129534][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.129534][ T73] netlink_unicast+0x449/0x710 [ 2340.129534][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.129534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.129534][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.129534][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.129534][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.129534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.129534][ T73] [ 2340.131274][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2340.131274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2340.131274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2340.131274][ T73] ipv6_find_idev+0x102/0x170 [ 2340.131274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.131274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.131274][ T73] netlink_rcv_skb+0x130/0x360 [ 2340.131274][ T73] netlink_unicast+0x449/0x710 [ 2340.131274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2340.131274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2340.131274][ T73] ___sys_sendmsg+0xee/0x170 [ 2340.131274][ T73] __sys_sendmsg+0xcd/0x170 [ 2340.131274][ T73] do_syscall_64+0xc6/0x1e0 [ 2340.131274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.131274][ T73] [ 2350.142906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2350.143337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.143337][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2350.143337][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2350.143337][ T73] fib6_nh_init+0xa22/0x1580 [ 2350.143337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.143337][ T73] ip6_route_add+0x1c/0x140 [ 2350.143337][ T73] inet6_rtm_newroute+0x104/0x110 [ 2350.143337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.143337][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.143337][ T73] netlink_unicast+0x449/0x710 [ 2350.143337][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.143337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.143337][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.143337][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.143337][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.143337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.143337][ T73] [ 2350.145299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.145299][ T73] dst_init+0x84/0x4a0 [ 2350.145299][ T73] dst_alloc+0x97/0x150 [ 2350.145299][ T73] ip6_dst_alloc+0x23/0x90 [ 2350.145299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.145299][ T73] ip6_pol_route+0x56f/0x840 [ 2350.145299][ T73] fib6_rule_lookup+0x456/0x630 [ 2350.145299][ T73] ip6_route_input+0x59c/0xa50 [ 2350.145299][ T73] ipv6_rcv+0x397/0x810 [ 2350.145299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.145299][ T73] process_backlog+0x101/0x620 [ 2350.145299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2350.145299][ T73] net_rx_action+0x495/0xbe0 [ 2350.145299][ T73] __do_softirq+0x1b5/0x7f6 [ 2350.145299][ T73] [ 2350.146997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.146997][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.146997][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.146997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.146997][ T73] ip6_route_add+0x1c/0x140 [ 2350.146997][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2350.146997][ T73] inet6_addr_add+0x4f8/0xa40 [ 2350.146997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.146997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.146997][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.146997][ T73] netlink_unicast+0x449/0x710 [ 2350.146997][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.146997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.146997][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.146997][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.146997][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.146997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.146997][ T73] [ 2350.149066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.149066][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.149066][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.149066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.149066][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2350.149066][ T73] ipv6_add_addr+0x411/0x2000 [ 2350.149066][ T73] inet6_addr_add+0x30e/0xa40 [ 2350.149066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.149066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.149066][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.149066][ T73] netlink_unicast+0x449/0x710 [ 2350.149066][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.149066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.149066][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.149066][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.149066][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.149066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.149066][ T73] [ 2350.151144][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.151144][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.151144][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.151144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.151144][ T73] ip6_route_add+0x1c/0x140 [ 2350.151144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.151144][ T73] addrconf_add_dev+0xe2/0x170 [ 2350.151144][ T73] inet6_addr_add+0x12f/0xa40 [ 2350.151144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.151144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.151144][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.151144][ T73] netlink_unicast+0x449/0x710 [ 2350.151144][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.151144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.151144][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.151144][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.151144][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.151144][ T73] [ 2350.153195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.153195][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2350.153195][ T73] ipv6_find_idev+0x102/0x170 [ 2350.153195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.153195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.153195][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.153195][ T73] netlink_unicast+0x449/0x710 [ 2350.153195][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.153195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.153195][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.153195][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.153195][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.153195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.153195][ T73] [ 2350.154792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2350.154792][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2350.154792][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2350.154792][ T73] ipv6_find_idev+0x102/0x170 [ 2350.154792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.154792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.154792][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.154792][ T73] netlink_unicast+0x449/0x710 [ 2350.154792][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.154792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.154792][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.154792][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.154792][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.154792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.154792][ T73] [ 2350.156552][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2350.156848][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.156848][ T73] dst_init+0x84/0x4a0 [ 2350.156848][ T73] dst_alloc+0x97/0x150 [ 2350.156848][ T73] ip6_dst_alloc+0x23/0x90 [ 2350.156848][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.156848][ T73] ip6_pol_route+0x56f/0x840 [ 2350.156848][ T73] fib6_rule_lookup+0x456/0x630 [ 2350.156848][ T73] ip6_route_input+0x59c/0xa50 [ 2350.156848][ T73] ipv6_rcv+0x397/0x810 [ 2350.156848][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.156848][ T73] process_backlog+0x101/0x620 [ 2350.156848][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2350.156848][ T73] net_rx_action+0x495/0xbe0 [ 2350.156848][ T73] __do_softirq+0x1b5/0x7f6 [ 2350.156848][ T73] [ 2350.158560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.158560][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.158560][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.158560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.158560][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2350.158560][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2350.158560][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2350.158560][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2350.158560][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2350.158560][ T73] addrconf_dad_begin+0x310/0x670 [ 2350.158560][ T73] addrconf_dad_work+0x10b/0xab0 [ 2350.158560][ T73] process_one_work+0x84d/0x18a0 [ 2350.158560][ T73] worker_thread+0x587/0xd30 [ 2350.158560][ T73] kthread+0x28a/0x350 [ 2350.158560][ T73] ret_from_fork+0x31/0x70 [ 2350.158560][ T73] ret_from_fork_asm+0x1a/0x30 [ 2350.158560][ T73] [ 2350.160548][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.160548][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.160548][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.160548][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.160548][ T73] ip6_route_add+0x1c/0x140 [ 2350.160548][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2350.160548][ T73] inet6_addr_add+0x4f8/0xa40 [ 2350.160548][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.160548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.160548][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.160548][ T73] netlink_unicast+0x449/0x710 [ 2350.160548][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.160548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.160548][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.160548][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.160548][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.160548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.160548][ T73] [ 2350.162633][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.162633][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.162633][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.162633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.162633][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2350.162633][ T73] ipv6_add_addr+0x411/0x2000 [ 2350.162633][ T73] inet6_addr_add+0x30e/0xa40 [ 2350.162633][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.162633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.162633][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.162633][ T73] netlink_unicast+0x449/0x710 [ 2350.162633][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.162633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.162633][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.162633][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.162633][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.162633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.162633][ T73] [ 2350.164722][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.164722][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.164722][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.164722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.164722][ T73] ip6_route_add+0x1c/0x140 [ 2350.164722][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.164722][ T73] addrconf_add_dev+0xe2/0x170 [ 2350.164722][ T73] inet6_addr_add+0x12f/0xa40 [ 2350.164722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.164722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.164722][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.164722][ T73] netlink_unicast+0x449/0x710 [ 2350.164722][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.164722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.164722][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.164722][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.164722][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.164722][ T73] [ 2350.166753][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.166753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2350.166753][ T73] ipv6_find_idev+0x102/0x170 [ 2350.166753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.166753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.166753][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.166753][ T73] netlink_unicast+0x449/0x710 [ 2350.166753][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.166753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.166753][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.166753][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.166753][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.166753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.166753][ T73] [ 2350.168344][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2350.168344][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2350.168344][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2350.168344][ T73] ipv6_find_idev+0x102/0x170 [ 2350.168344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.168344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.168344][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.168344][ T73] netlink_unicast+0x449/0x710 [ 2350.168344][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.168344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.168344][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.168344][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.168344][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.168344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.168344][ T73] [ 2350.170233][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2350.170508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.170508][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2350.170508][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2350.170508][ T73] fib6_nh_init+0xa22/0x1580 [ 2350.170508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.170508][ T73] ip6_route_add+0x1c/0x140 [ 2350.170508][ T73] inet6_rtm_newroute+0x104/0x110 [ 2350.170508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.170508][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.170508][ T73] netlink_unicast+0x449/0x710 [ 2350.170508][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.170508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.170508][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.170508][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.170508][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.170508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.170508][ T73] [ 2350.172714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.172714][ T73] dst_init+0x84/0x4a0 [ 2350.172714][ T73] dst_alloc+0x97/0x150 [ 2350.172714][ T73] ip6_dst_alloc+0x23/0x90 [ 2350.172714][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.172714][ T73] ip6_pol_route+0x56f/0x840 [ 2350.172714][ T73] fib6_rule_lookup+0x456/0x630 [ 2350.172714][ T73] ip6_route_input+0x59c/0xa50 [ 2350.172714][ T73] ipv6_rcv+0x397/0x810 [ 2350.172714][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.172714][ T73] process_backlog+0x101/0x620 [ 2350.172714][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2350.172714][ T73] net_rx_action+0x495/0xbe0 [ 2350.172714][ T73] __do_softirq+0x1b5/0x7f6 [ 2350.172714][ T73] [ 2350.174661][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.174661][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.174661][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.174661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.174661][ T73] ip6_route_add+0x1c/0x140 [ 2350.174661][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2350.174661][ T73] inet6_addr_add+0x4f8/0xa40 [ 2350.174661][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.174661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.174661][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.174661][ T73] netlink_unicast+0x449/0x710 [ 2350.174661][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.174661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.174661][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.174661][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.174661][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.174661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.174661][ T73] [ 2350.177502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.177502][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.177502][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.177502][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.177502][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2350.177502][ T73] ipv6_add_addr+0x411/0x2000 [ 2350.177502][ T73] inet6_addr_add+0x30e/0xa40 [ 2350.177502][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.177502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.177502][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.177502][ T73] netlink_unicast+0x449/0x710 [ 2350.177502][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.177502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.177502][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.177502][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.177502][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.177502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.177502][ T73] [ 2350.179756][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.179756][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.179756][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.179756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.179756][ T73] ip6_route_add+0x1c/0x140 [ 2350.179756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.179756][ T73] addrconf_add_dev+0xe2/0x170 [ 2350.179756][ T73] inet6_addr_add+0x12f/0xa40 [ 2350.179756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.179756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.179756][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.179756][ T73] netlink_unicast+0x449/0x710 [ 2350.179756][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.179756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.179756][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.179756][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.179756][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.179756][ T73] [ 2350.182024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.182024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2350.182024][ T73] ipv6_find_idev+0x102/0x170 [ 2350.182024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.182024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.182024][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.182024][ T73] netlink_unicast+0x449/0x710 [ 2350.182024][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.182024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.182024][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.182024][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.182024][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.182024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.182024][ T73] [ 2350.183798][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2350.183798][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2350.183798][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2350.183798][ T73] ipv6_find_idev+0x102/0x170 [ 2350.183798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.183798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.183798][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.183798][ T73] netlink_unicast+0x449/0x710 [ 2350.183798][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.183798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.183798][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.183798][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.183798][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.183798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.183798][ T73] [ 2350.186259][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2350.186570][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2350.186570][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.186570][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.186570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.186570][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2350.186570][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2350.186570][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2350.186570][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2350.186570][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2350.186570][ T73] addrconf_dad_begin+0x310/0x670 [ 2350.186570][ T73] addrconf_dad_work+0x10b/0xab0 [ 2350.186570][ T73] process_one_work+0x84d/0x18a0 [ 2350.186570][ T73] worker_thread+0x587/0xd30 [ 2350.186570][ T73] kthread+0x28a/0x350 [ 2350.186570][ T73] ret_from_fork+0x31/0x70 [ 2350.186570][ T73] ret_from_fork_asm+0x1a/0x30 [ 2350.186570][ T73] [ 2350.188788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2350.188788][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.188788][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.188788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.188788][ T73] ip6_route_add+0x1c/0x140 [ 2350.188788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2350.188788][ T73] inet6_addr_add+0x4f8/0xa40 [ 2350.188788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.188788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.188788][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.188788][ T73] netlink_unicast+0x449/0x710 [ 2350.188788][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.188788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.188788][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.188788][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.188788][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.188788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.188788][ T73] [ 2350.191049][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2350.191049][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.191049][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.191049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.191049][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2350.191049][ T73] ipv6_add_addr+0x411/0x2000 [ 2350.191049][ T73] inet6_addr_add+0x30e/0xa40 [ 2350.191049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.191049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.191049][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.191049][ T73] netlink_unicast+0x449/0x710 [ 2350.191049][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.191049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.191049][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.191049][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.191049][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.191049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.191049][ T73] [ 2350.193359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2350.193359][ T73] netdev_get_by_index+0x5e/0x80 [ 2350.193359][ T73] fib6_nh_init+0x3d8/0x1580 [ 2350.193359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2350.193359][ T73] ip6_route_add+0x1c/0x140 [ 2350.193359][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.193359][ T73] addrconf_add_dev+0xe2/0x170 [ 2350.193359][ T73] inet6_addr_add+0x12f/0xa40 [ 2350.193359][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.193359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.193359][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.193359][ T73] netlink_unicast+0x449/0x710 [ 2350.193359][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.193359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.193359][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.193359][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.193359][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.193359][ T73] [ 2350.195689][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2350.195689][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2350.195689][ T73] ipv6_find_idev+0x102/0x170 [ 2350.195689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.195689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.195689][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.195689][ T73] netlink_unicast+0x449/0x710 [ 2350.195689][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.195689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.195689][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.195689][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.195689][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.195689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.195689][ T73] [ 2350.197463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2350.197463][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2350.197463][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2350.197463][ T73] ipv6_find_idev+0x102/0x170 [ 2350.197463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.197463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.197463][ T73] netlink_rcv_skb+0x130/0x360 [ 2350.197463][ T73] netlink_unicast+0x449/0x710 [ 2350.197463][ T73] netlink_sendmsg+0x723/0xbe0 [ 2350.197463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2350.197463][ T73] ___sys_sendmsg+0xee/0x170 [ 2350.197463][ T73] __sys_sendmsg+0xcd/0x170 [ 2350.197463][ T73] do_syscall_64+0xc6/0x1e0 [ 2350.197463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.197463][ T73] [ 2360.374913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2360.375344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.375344][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2360.375344][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2360.375344][ T73] fib6_nh_init+0xa22/0x1580 [ 2360.375344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.375344][ T73] ip6_route_add+0x1c/0x140 [ 2360.375344][ T73] inet6_rtm_newroute+0x104/0x110 [ 2360.375344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.375344][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.375344][ T73] netlink_unicast+0x449/0x710 [ 2360.375344][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.375344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.375344][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.375344][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.375344][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.375344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.375344][ T73] [ 2360.377317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.377317][ T73] dst_init+0x84/0x4a0 [ 2360.377317][ T73] dst_alloc+0x97/0x150 [ 2360.377317][ T73] ip6_dst_alloc+0x23/0x90 [ 2360.377317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.377317][ T73] ip6_pol_route+0x56f/0x840 [ 2360.377317][ T73] fib6_rule_lookup+0x456/0x630 [ 2360.377317][ T73] ip6_route_input+0x59c/0xa50 [ 2360.377317][ T73] ipv6_rcv+0x397/0x810 [ 2360.377317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.377317][ T73] process_backlog+0x101/0x620 [ 2360.377317][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2360.377317][ T73] net_rx_action+0x495/0xbe0 [ 2360.377317][ T73] __do_softirq+0x1b5/0x7f6 [ 2360.377317][ T73] [ 2360.379045][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.379045][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.379045][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.379045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.379045][ T73] ip6_route_add+0x1c/0x140 [ 2360.379045][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2360.379045][ T73] inet6_addr_add+0x4f8/0xa40 [ 2360.379045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.379045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.379045][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.379045][ T73] netlink_unicast+0x449/0x710 [ 2360.379045][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.379045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.379045][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.379045][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.379045][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.379045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.379045][ T73] [ 2360.381138][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.381138][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.381138][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.381138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.381138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2360.381138][ T73] ipv6_add_addr+0x411/0x2000 [ 2360.381138][ T73] inet6_addr_add+0x30e/0xa40 [ 2360.381138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.381138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.381138][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.381138][ T73] netlink_unicast+0x449/0x710 [ 2360.381138][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.381138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.381138][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.381138][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.381138][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.381138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.381138][ T73] [ 2360.383209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.383209][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.383209][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.383209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.383209][ T73] ip6_route_add+0x1c/0x140 [ 2360.383209][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.383209][ T73] addrconf_add_dev+0xe2/0x170 [ 2360.383209][ T73] inet6_addr_add+0x12f/0xa40 [ 2360.383209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.383209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.383209][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.383209][ T73] netlink_unicast+0x449/0x710 [ 2360.383209][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.383209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.383209][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.383209][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.383209][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.383209][ T73] [ 2360.385259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.385259][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2360.385259][ T73] ipv6_find_idev+0x102/0x170 [ 2360.385259][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.385259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.385259][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.385259][ T73] netlink_unicast+0x449/0x710 [ 2360.385259][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.385259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.385259][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.385259][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.385259][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.385259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.385259][ T73] [ 2360.386863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2360.386863][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2360.386863][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2360.386863][ T73] ipv6_find_idev+0x102/0x170 [ 2360.386863][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.386863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.386863][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.386863][ T73] netlink_unicast+0x449/0x710 [ 2360.386863][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.386863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.386863][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.386863][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.386863][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.386863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.386863][ T73] [ 2360.388646][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2360.388941][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.388941][ T73] dst_init+0x84/0x4a0 [ 2360.388941][ T73] dst_alloc+0x97/0x150 [ 2360.388941][ T73] ip6_dst_alloc+0x23/0x90 [ 2360.388941][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.388941][ T73] ip6_pol_route+0x56f/0x840 [ 2360.388941][ T73] fib6_rule_lookup+0x456/0x630 [ 2360.388941][ T73] ip6_route_input+0x59c/0xa50 [ 2360.388941][ T73] ipv6_rcv+0x397/0x810 [ 2360.388941][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.388941][ T73] process_backlog+0x101/0x620 [ 2360.388941][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2360.388941][ T73] net_rx_action+0x495/0xbe0 [ 2360.388941][ T73] __do_softirq+0x1b5/0x7f6 [ 2360.388941][ T73] [ 2360.390663][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.390663][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.390663][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.390663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.390663][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2360.390663][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2360.390663][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2360.390663][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2360.390663][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2360.390663][ T73] addrconf_dad_begin+0x310/0x670 [ 2360.390663][ T73] addrconf_dad_work+0x10b/0xab0 [ 2360.390663][ T73] process_one_work+0x84d/0x18a0 [ 2360.390663][ T73] worker_thread+0x587/0xd30 [ 2360.390663][ T73] kthread+0x28a/0x350 [ 2360.390663][ T73] ret_from_fork+0x31/0x70 [ 2360.390663][ T73] ret_from_fork_asm+0x1a/0x30 [ 2360.390663][ T73] [ 2360.392658][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.392658][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.392658][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.392658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.392658][ T73] ip6_route_add+0x1c/0x140 [ 2360.392658][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2360.392658][ T73] inet6_addr_add+0x4f8/0xa40 [ 2360.392658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.392658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.392658][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.392658][ T73] netlink_unicast+0x449/0x710 [ 2360.392658][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.392658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.392658][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.392658][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.392658][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.392658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.392658][ T73] [ 2360.394752][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.394752][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.394752][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.394752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.394752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2360.394752][ T73] ipv6_add_addr+0x411/0x2000 [ 2360.394752][ T73] inet6_addr_add+0x30e/0xa40 [ 2360.394752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.394752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.394752][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.394752][ T73] netlink_unicast+0x449/0x710 [ 2360.394752][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.394752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.394752][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.394752][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.394752][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.394752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.394752][ T73] [ 2360.396846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.396846][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.396846][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.396846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.396846][ T73] ip6_route_add+0x1c/0x140 [ 2360.396846][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.396846][ T73] addrconf_add_dev+0xe2/0x170 [ 2360.396846][ T73] inet6_addr_add+0x12f/0xa40 [ 2360.396846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.396846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.396846][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.396846][ T73] netlink_unicast+0x449/0x710 [ 2360.396846][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.396846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.396846][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.396846][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.396846][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.396846][ T73] [ 2360.398905][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.398905][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2360.398905][ T73] ipv6_find_idev+0x102/0x170 [ 2360.398905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.398905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.398905][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.398905][ T73] netlink_unicast+0x449/0x710 [ 2360.398905][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.398905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.398905][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.398905][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.398905][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.398905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.398905][ T73] [ 2360.400508][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2360.400508][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2360.400508][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2360.400508][ T73] ipv6_find_idev+0x102/0x170 [ 2360.400508][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.400508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.400508][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.400508][ T73] netlink_unicast+0x449/0x710 [ 2360.400508][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.400508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.400508][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.400508][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.400508][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.400508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.400508][ T73] [ 2360.402394][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2360.402674][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.402674][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2360.402674][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2360.402674][ T73] fib6_nh_init+0xa22/0x1580 [ 2360.402674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.402674][ T73] ip6_route_add+0x1c/0x140 [ 2360.402674][ T73] inet6_rtm_newroute+0x104/0x110 [ 2360.402674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.402674][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.402674][ T73] netlink_unicast+0x449/0x710 [ 2360.402674][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.402674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.402674][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.402674][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.402674][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.402674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.402674][ T73] [ 2360.404939][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.404939][ T73] dst_init+0x84/0x4a0 [ 2360.404939][ T73] dst_alloc+0x97/0x150 [ 2360.404939][ T73] ip6_dst_alloc+0x23/0x90 [ 2360.404939][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.404939][ T73] ip6_pol_route+0x56f/0x840 [ 2360.404939][ T73] fib6_rule_lookup+0x456/0x630 [ 2360.404939][ T73] ip6_route_input+0x59c/0xa50 [ 2360.404939][ T73] ipv6_rcv+0x397/0x810 [ 2360.404939][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.404939][ T73] process_backlog+0x101/0x620 [ 2360.404939][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2360.404939][ T73] net_rx_action+0x495/0xbe0 [ 2360.404939][ T73] __do_softirq+0x1b5/0x7f6 [ 2360.404939][ T73] [ 2360.406812][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.406812][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.406812][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.406812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.406812][ T73] ip6_route_add+0x1c/0x140 [ 2360.406812][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2360.406812][ T73] inet6_addr_add+0x4f8/0xa40 [ 2360.406812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.406812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.406812][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.406812][ T73] netlink_unicast+0x449/0x710 [ 2360.406812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.406812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.406812][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.406812][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.406812][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.406812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.406812][ T73] [ 2360.409167][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.409167][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.409167][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.409167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.409167][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2360.409167][ T73] ipv6_add_addr+0x411/0x2000 [ 2360.409167][ T73] inet6_addr_add+0x30e/0xa40 [ 2360.409167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.409167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.409167][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.409167][ T73] netlink_unicast+0x449/0x710 [ 2360.409167][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.409167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.409167][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.409167][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.409167][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.409167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.409167][ T73] [ 2360.411438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.411438][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.411438][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.411438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.411438][ T73] ip6_route_add+0x1c/0x140 [ 2360.411438][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.411438][ T73] addrconf_add_dev+0xe2/0x170 [ 2360.411438][ T73] inet6_addr_add+0x12f/0xa40 [ 2360.411438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.411438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.411438][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.411438][ T73] netlink_unicast+0x449/0x710 [ 2360.411438][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.411438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.411438][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.411438][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.411438][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.411438][ T73] [ 2360.413805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.413805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2360.413805][ T73] ipv6_find_idev+0x102/0x170 [ 2360.413805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.413805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.413805][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.413805][ T73] netlink_unicast+0x449/0x710 [ 2360.413805][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.413805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.413805][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.413805][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.413805][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.413805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.413805][ T73] [ 2360.415591][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2360.415591][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2360.415591][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2360.415591][ T73] ipv6_find_idev+0x102/0x170 [ 2360.415591][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.415591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.415591][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.415591][ T73] netlink_unicast+0x449/0x710 [ 2360.415591][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.415591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.415591][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.415591][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.415591][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.415591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.415591][ T73] [ 2360.417588][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2360.418307][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2360.418307][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.418307][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.418307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.418307][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2360.418307][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2360.418307][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2360.418307][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2360.418307][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2360.418307][ T73] addrconf_dad_begin+0x310/0x670 [ 2360.418307][ T73] addrconf_dad_work+0x10b/0xab0 [ 2360.418307][ T73] process_one_work+0x84d/0x18a0 [ 2360.418307][ T73] worker_thread+0x587/0xd30 [ 2360.418307][ T73] kthread+0x28a/0x350 [ 2360.418307][ T73] ret_from_fork+0x31/0x70 [ 2360.418307][ T73] ret_from_fork_asm+0x1a/0x30 [ 2360.418307][ T73] [ 2360.420304][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2360.420304][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.420304][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.420304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.420304][ T73] ip6_route_add+0x1c/0x140 [ 2360.420304][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2360.420304][ T73] inet6_addr_add+0x4f8/0xa40 [ 2360.420304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.420304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.420304][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.420304][ T73] netlink_unicast+0x449/0x710 [ 2360.420304][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.420304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.420304][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.420304][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.420304][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.420304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.420304][ T73] [ 2360.422352][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2360.422352][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.422352][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.422352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.422352][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2360.422352][ T73] ipv6_add_addr+0x411/0x2000 [ 2360.422352][ T73] inet6_addr_add+0x30e/0xa40 [ 2360.422352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.422352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.422352][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.422352][ T73] netlink_unicast+0x449/0x710 [ 2360.422352][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.422352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.422352][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.422352][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.422352][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.422352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.422352][ T73] [ 2360.424598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2360.424598][ T73] netdev_get_by_index+0x5e/0x80 [ 2360.424598][ T73] fib6_nh_init+0x3d8/0x1580 [ 2360.424598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2360.424598][ T73] ip6_route_add+0x1c/0x140 [ 2360.424598][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.424598][ T73] addrconf_add_dev+0xe2/0x170 [ 2360.424598][ T73] inet6_addr_add+0x12f/0xa40 [ 2360.424598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.424598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.424598][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.424598][ T73] netlink_unicast+0x449/0x710 [ 2360.424598][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.424598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.424598][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.424598][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.424598][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.424598][ T73] [ 2360.426851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2360.426851][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2360.426851][ T73] ipv6_find_idev+0x102/0x170 [ 2360.426851][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.426851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.426851][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.426851][ T73] netlink_unicast+0x449/0x710 [ 2360.426851][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.426851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.426851][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.426851][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.426851][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.426851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.426851][ T73] [ 2360.428560][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2360.428560][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2360.428560][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2360.428560][ T73] ipv6_find_idev+0x102/0x170 [ 2360.428560][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.428560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.428560][ T73] netlink_rcv_skb+0x130/0x360 [ 2360.428560][ T73] netlink_unicast+0x449/0x710 [ 2360.428560][ T73] netlink_sendmsg+0x723/0xbe0 [ 2360.428560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2360.428560][ T73] ___sys_sendmsg+0xee/0x170 [ 2360.428560][ T73] __sys_sendmsg+0xcd/0x170 [ 2360.428560][ T73] do_syscall_64+0xc6/0x1e0 [ 2360.428560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.428560][ T73] [ 2370.678914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2370.679376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.679376][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2370.679376][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2370.679376][ T73] fib6_nh_init+0xa22/0x1580 [ 2370.679376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.679376][ T73] ip6_route_add+0x1c/0x140 [ 2370.679376][ T73] inet6_rtm_newroute+0x104/0x110 [ 2370.679376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.679376][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.679376][ T73] netlink_unicast+0x449/0x710 [ 2370.679376][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.679376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.679376][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.679376][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.679376][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.679376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.679376][ T73] [ 2370.681669][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.681669][ T73] dst_init+0x84/0x4a0 [ 2370.681669][ T73] dst_alloc+0x97/0x150 [ 2370.681669][ T73] ip6_dst_alloc+0x23/0x90 [ 2370.681669][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.681669][ T73] ip6_pol_route+0x56f/0x840 [ 2370.681669][ T73] fib6_rule_lookup+0x456/0x630 [ 2370.681669][ T73] ip6_route_input+0x59c/0xa50 [ 2370.681669][ T73] ipv6_rcv+0x397/0x810 [ 2370.681669][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2370.681669][ T73] process_backlog+0x101/0x620 [ 2370.681669][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2370.681669][ T73] net_rx_action+0x495/0xbe0 [ 2370.681669][ T73] __do_softirq+0x1b5/0x7f6 [ 2370.681669][ T73] [ 2370.683319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.683319][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.683319][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.683319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.683319][ T73] ip6_route_add+0x1c/0x140 [ 2370.683319][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2370.683319][ T73] inet6_addr_add+0x4f8/0xa40 [ 2370.683319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.683319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.683319][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.683319][ T73] netlink_unicast+0x449/0x710 [ 2370.683319][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.683319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.683319][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.683319][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.683319][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.683319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.683319][ T73] [ 2370.685327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.685327][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.685327][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.685327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.685327][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2370.685327][ T73] ipv6_add_addr+0x411/0x2000 [ 2370.685327][ T73] inet6_addr_add+0x30e/0xa40 [ 2370.685327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.685327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.685327][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.685327][ T73] netlink_unicast+0x449/0x710 [ 2370.685327][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.685327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.685327][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.685327][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.685327][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.685327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.685327][ T73] [ 2370.687340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.687340][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.687340][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.687340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.687340][ T73] ip6_route_add+0x1c/0x140 [ 2370.687340][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.687340][ T73] addrconf_add_dev+0xe2/0x170 [ 2370.687340][ T73] inet6_addr_add+0x12f/0xa40 [ 2370.687340][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.687340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.687340][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.687340][ T73] netlink_unicast+0x449/0x710 [ 2370.687340][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.687340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.687340][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.687340][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.687340][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.687340][ T73] [ 2370.689331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.689331][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2370.689331][ T73] ipv6_find_idev+0x102/0x170 [ 2370.689331][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.689331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.689331][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.689331][ T73] netlink_unicast+0x449/0x710 [ 2370.689331][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.689331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.689331][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.689331][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.689331][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.689331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.689331][ T73] [ 2370.690889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2370.690889][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2370.690889][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2370.690889][ T73] ipv6_find_idev+0x102/0x170 [ 2370.690889][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.690889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.690889][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.690889][ T73] netlink_unicast+0x449/0x710 [ 2370.690889][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.690889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.690889][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.690889][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.690889][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.690889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.690889][ T73] [ 2370.692812][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2370.693106][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.693106][ T73] dst_init+0x84/0x4a0 [ 2370.693106][ T73] dst_alloc+0x97/0x150 [ 2370.693106][ T73] ip6_dst_alloc+0x23/0x90 [ 2370.693106][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.693106][ T73] ip6_pol_route+0x56f/0x840 [ 2370.693106][ T73] fib6_rule_lookup+0x456/0x630 [ 2370.693106][ T73] ip6_route_input+0x59c/0xa50 [ 2370.693106][ T73] ipv6_rcv+0x397/0x810 [ 2370.693106][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2370.693106][ T73] process_backlog+0x101/0x620 [ 2370.693106][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2370.693106][ T73] net_rx_action+0x495/0xbe0 [ 2370.693106][ T73] __do_softirq+0x1b5/0x7f6 [ 2370.693106][ T73] [ 2370.694840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.694840][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.694840][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.694840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.694840][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2370.694840][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2370.694840][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2370.694840][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2370.694840][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2370.694840][ T73] addrconf_dad_begin+0x310/0x670 [ 2370.694840][ T73] addrconf_dad_work+0x10b/0xab0 [ 2370.694840][ T73] process_one_work+0x84d/0x18a0 [ 2370.694840][ T73] worker_thread+0x587/0xd30 [ 2370.694840][ T73] kthread+0x28a/0x350 [ 2370.694840][ T73] ret_from_fork+0x31/0x70 [ 2370.694840][ T73] ret_from_fork_asm+0x1a/0x30 [ 2370.694840][ T73] [ 2370.696839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.696839][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.696839][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.696839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.696839][ T73] ip6_route_add+0x1c/0x140 [ 2370.696839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2370.696839][ T73] inet6_addr_add+0x4f8/0xa40 [ 2370.696839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.696839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.696839][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.696839][ T73] netlink_unicast+0x449/0x710 [ 2370.696839][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.696839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.696839][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.696839][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.696839][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.696839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.696839][ T73] [ 2370.698930][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.698930][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.698930][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.698930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.698930][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2370.698930][ T73] ipv6_add_addr+0x411/0x2000 [ 2370.698930][ T73] inet6_addr_add+0x30e/0xa40 [ 2370.698930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.698930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.698930][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.698930][ T73] netlink_unicast+0x449/0x710 [ 2370.698930][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.698930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.698930][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.698930][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.698930][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.698930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.698930][ T73] [ 2370.701024][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.701024][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.701024][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.701024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.701024][ T73] ip6_route_add+0x1c/0x140 [ 2370.701024][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.701024][ T73] addrconf_add_dev+0xe2/0x170 [ 2370.701024][ T73] inet6_addr_add+0x12f/0xa40 [ 2370.701024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.701024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.701024][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.701024][ T73] netlink_unicast+0x449/0x710 [ 2370.701024][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.701024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.701024][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.701024][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.701024][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.701024][ T73] [ 2370.703083][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.703083][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2370.703083][ T73] ipv6_find_idev+0x102/0x170 [ 2370.703083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.703083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.703083][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.703083][ T73] netlink_unicast+0x449/0x710 [ 2370.703083][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.703083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.703083][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.703083][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.703083][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.703083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.703083][ T73] [ 2370.704696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2370.704696][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2370.704696][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2370.704696][ T73] ipv6_find_idev+0x102/0x170 [ 2370.704696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.704696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.704696][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.704696][ T73] netlink_unicast+0x449/0x710 [ 2370.704696][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.704696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.704696][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.704696][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.704696][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.704696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.704696][ T73] [ 2370.706598][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2370.706890][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.706890][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2370.706890][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2370.706890][ T73] fib6_nh_init+0xa22/0x1580 [ 2370.706890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.706890][ T73] ip6_route_add+0x1c/0x140 [ 2370.706890][ T73] inet6_rtm_newroute+0x104/0x110 [ 2370.706890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.706890][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.706890][ T73] netlink_unicast+0x449/0x710 [ 2370.706890][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.706890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.706890][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.706890][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.706890][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.706890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.706890][ T73] [ 2370.709160][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.709160][ T73] dst_init+0x84/0x4a0 [ 2370.709160][ T73] dst_alloc+0x97/0x150 [ 2370.709160][ T73] ip6_dst_alloc+0x23/0x90 [ 2370.709160][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.709160][ T73] ip6_pol_route+0x56f/0x840 [ 2370.709160][ T73] fib6_rule_lookup+0x456/0x630 [ 2370.709160][ T73] ip6_route_input+0x59c/0xa50 [ 2370.709160][ T73] ipv6_rcv+0x397/0x810 [ 2370.709160][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2370.709160][ T73] process_backlog+0x101/0x620 [ 2370.709160][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2370.709160][ T73] net_rx_action+0x495/0xbe0 [ 2370.709160][ T73] __do_softirq+0x1b5/0x7f6 [ 2370.709160][ T73] [ 2370.711067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.711067][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.711067][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.711067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.711067][ T73] ip6_route_add+0x1c/0x140 [ 2370.711067][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2370.711067][ T73] inet6_addr_add+0x4f8/0xa40 [ 2370.711067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.711067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.711067][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.711067][ T73] netlink_unicast+0x449/0x710 [ 2370.711067][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.711067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.711067][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.711067][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.711067][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.711067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.711067][ T73] [ 2370.713398][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.713398][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.713398][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.713398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.713398][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2370.713398][ T73] ipv6_add_addr+0x411/0x2000 [ 2370.713398][ T73] inet6_addr_add+0x30e/0xa40 [ 2370.713398][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.713398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.713398][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.713398][ T73] netlink_unicast+0x449/0x710 [ 2370.713398][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.713398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.713398][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.713398][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.713398][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.713398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.713398][ T73] [ 2370.715737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.715737][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.715737][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.715737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.715737][ T73] ip6_route_add+0x1c/0x140 [ 2370.715737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.715737][ T73] addrconf_add_dev+0xe2/0x170 [ 2370.715737][ T73] inet6_addr_add+0x12f/0xa40 [ 2370.715737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.715737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.715737][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.715737][ T73] netlink_unicast+0x449/0x710 [ 2370.715737][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.715737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.715737][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.715737][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.715737][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.715737][ T73] [ 2370.718034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.718034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2370.718034][ T73] ipv6_find_idev+0x102/0x170 [ 2370.718034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.718034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.718034][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.718034][ T73] netlink_unicast+0x449/0x710 [ 2370.718034][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.718034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.718034][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.718034][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.718034][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.718034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.718034][ T73] [ 2370.719836][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2370.719836][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2370.719836][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2370.719836][ T73] ipv6_find_idev+0x102/0x170 [ 2370.719836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.719836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.719836][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.719836][ T73] netlink_unicast+0x449/0x710 [ 2370.719836][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.719836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.719836][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.719836][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.719836][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.719836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.719836][ T73] [ 2370.721841][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2370.722127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2370.722127][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.722127][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.722127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.722127][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2370.722127][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2370.722127][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2370.722127][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2370.722127][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2370.722127][ T73] addrconf_dad_begin+0x310/0x670 [ 2370.722127][ T73] addrconf_dad_work+0x10b/0xab0 [ 2370.722127][ T73] process_one_work+0x84d/0x18a0 [ 2370.722127][ T73] worker_thread+0x587/0xd30 [ 2370.722127][ T73] kthread+0x28a/0x350 [ 2370.722127][ T73] ret_from_fork+0x31/0x70 [ 2370.722127][ T73] ret_from_fork_asm+0x1a/0x30 [ 2370.722127][ T73] [ 2370.724370][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2370.724370][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.724370][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.724370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.724370][ T73] ip6_route_add+0x1c/0x140 [ 2370.724370][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2370.724370][ T73] inet6_addr_add+0x4f8/0xa40 [ 2370.724370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.724370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.724370][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.724370][ T73] netlink_unicast+0x449/0x710 [ 2370.724370][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.724370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.724370][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.724370][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.724370][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.724370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.724370][ T73] [ 2370.726699][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2370.726699][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.726699][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.726699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.726699][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2370.726699][ T73] ipv6_add_addr+0x411/0x2000 [ 2370.726699][ T73] inet6_addr_add+0x30e/0xa40 [ 2370.726699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.726699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.726699][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.726699][ T73] netlink_unicast+0x449/0x710 [ 2370.726699][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.726699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.726699][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.726699][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.726699][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.726699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.726699][ T73] [ 2370.729568][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2370.729568][ T73] netdev_get_by_index+0x5e/0x80 [ 2370.729568][ T73] fib6_nh_init+0x3d8/0x1580 [ 2370.729568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2370.729568][ T73] ip6_route_add+0x1c/0x140 [ 2370.729568][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.729568][ T73] addrconf_add_dev+0xe2/0x170 [ 2370.729568][ T73] inet6_addr_add+0x12f/0xa40 [ 2370.729568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.729568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.729568][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.729568][ T73] netlink_unicast+0x449/0x710 [ 2370.729568][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.729568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.729568][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.729568][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.729568][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.729568][ T73] [ 2370.731871][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2370.731871][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2370.731871][ T73] ipv6_find_idev+0x102/0x170 [ 2370.731871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.731871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.731871][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.731871][ T73] netlink_unicast+0x449/0x710 [ 2370.731871][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.731871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.731871][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.731871][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.731871][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.731871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.731871][ T73] [ 2370.733667][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2370.733667][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2370.733667][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2370.733667][ T73] ipv6_find_idev+0x102/0x170 [ 2370.733667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.733667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.733667][ T73] netlink_rcv_skb+0x130/0x360 [ 2370.733667][ T73] netlink_unicast+0x449/0x710 [ 2370.733667][ T73] netlink_sendmsg+0x723/0xbe0 [ 2370.733667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2370.733667][ T73] ___sys_sendmsg+0xee/0x170 [ 2370.733667][ T73] __sys_sendmsg+0xcd/0x170 [ 2370.733667][ T73] do_syscall_64+0xc6/0x1e0 [ 2370.733667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.733667][ T73] [ 2380.750971][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2380.751505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.751505][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2380.751505][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2380.751505][ T73] fib6_nh_init+0xa22/0x1580 [ 2380.751505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.751505][ T73] ip6_route_add+0x1c/0x140 [ 2380.751505][ T73] inet6_rtm_newroute+0x104/0x110 [ 2380.751505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.751505][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.751505][ T73] netlink_unicast+0x449/0x710 [ 2380.751505][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.751505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.751505][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.751505][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.751505][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.751505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.751505][ T73] [ 2380.753505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.753505][ T73] dst_init+0x84/0x4a0 [ 2380.753505][ T73] dst_alloc+0x97/0x150 [ 2380.753505][ T73] ip6_dst_alloc+0x23/0x90 [ 2380.753505][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.753505][ T73] ip6_pol_route+0x56f/0x840 [ 2380.753505][ T73] fib6_rule_lookup+0x456/0x630 [ 2380.753505][ T73] ip6_route_input+0x59c/0xa50 [ 2380.753505][ T73] ipv6_rcv+0x397/0x810 [ 2380.753505][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2380.753505][ T73] process_backlog+0x101/0x620 [ 2380.753505][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2380.753505][ T73] net_rx_action+0x495/0xbe0 [ 2380.753505][ T73] __do_softirq+0x1b5/0x7f6 [ 2380.753505][ T73] [ 2380.755231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.755231][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.755231][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.755231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.755231][ T73] ip6_route_add+0x1c/0x140 [ 2380.755231][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2380.755231][ T73] inet6_addr_add+0x4f8/0xa40 [ 2380.755231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.755231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.755231][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.755231][ T73] netlink_unicast+0x449/0x710 [ 2380.755231][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.755231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.755231][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.755231][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.755231][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.755231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.755231][ T73] [ 2380.757328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.757328][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.757328][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.757328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.757328][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2380.757328][ T73] ipv6_add_addr+0x411/0x2000 [ 2380.757328][ T73] inet6_addr_add+0x30e/0xa40 [ 2380.757328][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.757328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.757328][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.757328][ T73] netlink_unicast+0x449/0x710 [ 2380.757328][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.757328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.757328][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.757328][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.757328][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.757328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.757328][ T73] [ 2380.759446][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.759446][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.759446][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.759446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.759446][ T73] ip6_route_add+0x1c/0x140 [ 2380.759446][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.759446][ T73] addrconf_add_dev+0xe2/0x170 [ 2380.759446][ T73] inet6_addr_add+0x12f/0xa40 [ 2380.759446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.759446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.759446][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.759446][ T73] netlink_unicast+0x449/0x710 [ 2380.759446][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.759446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.759446][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.759446][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.759446][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.759446][ T73] [ 2380.761517][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.761517][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2380.761517][ T73] ipv6_find_idev+0x102/0x170 [ 2380.761517][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.761517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.761517][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.761517][ T73] netlink_unicast+0x449/0x710 [ 2380.761517][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.761517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.761517][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.761517][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.761517][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.761517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.761517][ T73] [ 2380.763135][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2380.763135][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2380.763135][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2380.763135][ T73] ipv6_find_idev+0x102/0x170 [ 2380.763135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.763135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.763135][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.763135][ T73] netlink_unicast+0x449/0x710 [ 2380.763135][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.763135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.763135][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.763135][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.763135][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.763135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.763135][ T73] [ 2380.764942][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2380.765231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.765231][ T73] dst_init+0x84/0x4a0 [ 2380.765231][ T73] dst_alloc+0x97/0x150 [ 2380.765231][ T73] ip6_dst_alloc+0x23/0x90 [ 2380.765231][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.765231][ T73] ip6_pol_route+0x56f/0x840 [ 2380.765231][ T73] fib6_rule_lookup+0x456/0x630 [ 2380.765231][ T73] ip6_route_input+0x59c/0xa50 [ 2380.765231][ T73] ipv6_rcv+0x397/0x810 [ 2380.765231][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2380.765231][ T73] process_backlog+0x101/0x620 [ 2380.765231][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2380.765231][ T73] net_rx_action+0x495/0xbe0 [ 2380.765231][ T73] __do_softirq+0x1b5/0x7f6 [ 2380.765231][ T73] [ 2380.766960][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.766960][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.766960][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.766960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.766960][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2380.766960][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2380.766960][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2380.766960][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2380.766960][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2380.766960][ T73] addrconf_dad_begin+0x310/0x670 [ 2380.766960][ T73] addrconf_dad_work+0x10b/0xab0 [ 2380.766960][ T73] process_one_work+0x84d/0x18a0 [ 2380.766960][ T73] worker_thread+0x587/0xd30 [ 2380.766960][ T73] kthread+0x28a/0x350 [ 2380.766960][ T73] ret_from_fork+0x31/0x70 [ 2380.766960][ T73] ret_from_fork_asm+0x1a/0x30 [ 2380.766960][ T73] [ 2380.768966][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.768966][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.768966][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.768966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.768966][ T73] ip6_route_add+0x1c/0x140 [ 2380.768966][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2380.768966][ T73] inet6_addr_add+0x4f8/0xa40 [ 2380.768966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.768966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.768966][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.768966][ T73] netlink_unicast+0x449/0x710 [ 2380.768966][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.768966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.768966][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.768966][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.768966][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.768966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.768966][ T73] [ 2380.771074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.771074][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.771074][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.771074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.771074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2380.771074][ T73] ipv6_add_addr+0x411/0x2000 [ 2380.771074][ T73] inet6_addr_add+0x30e/0xa40 [ 2380.771074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.771074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.771074][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.771074][ T73] netlink_unicast+0x449/0x710 [ 2380.771074][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.771074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.771074][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.771074][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.771074][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.771074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.771074][ T73] [ 2380.773172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.773172][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.773172][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.773172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.773172][ T73] ip6_route_add+0x1c/0x140 [ 2380.773172][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.773172][ T73] addrconf_add_dev+0xe2/0x170 [ 2380.773172][ T73] inet6_addr_add+0x12f/0xa40 [ 2380.773172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.773172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.773172][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.773172][ T73] netlink_unicast+0x449/0x710 [ 2380.773172][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.773172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.773172][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.773172][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.773172][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.773172][ T73] [ 2380.775241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.775241][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2380.775241][ T73] ipv6_find_idev+0x102/0x170 [ 2380.775241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.775241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.775241][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.775241][ T73] netlink_unicast+0x449/0x710 [ 2380.775241][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.775241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.775241][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.775241][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.775241][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.775241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.775241][ T73] [ 2380.777245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2380.777245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2380.777245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2380.777245][ T73] ipv6_find_idev+0x102/0x170 [ 2380.777245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.777245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.777245][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.777245][ T73] netlink_unicast+0x449/0x710 [ 2380.777245][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.777245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.777245][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.777245][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.777245][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.777245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.777245][ T73] [ 2380.779155][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2380.779445][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.779445][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2380.779445][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2380.779445][ T73] fib6_nh_init+0xa22/0x1580 [ 2380.779445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.779445][ T73] ip6_route_add+0x1c/0x140 [ 2380.779445][ T73] inet6_rtm_newroute+0x104/0x110 [ 2380.779445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.779445][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.779445][ T73] netlink_unicast+0x449/0x710 [ 2380.779445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.779445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.779445][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.779445][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.779445][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.779445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.779445][ T73] [ 2380.781717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.781717][ T73] dst_init+0x84/0x4a0 [ 2380.781717][ T73] dst_alloc+0x97/0x150 [ 2380.781717][ T73] ip6_dst_alloc+0x23/0x90 [ 2380.781717][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.781717][ T73] ip6_pol_route+0x56f/0x840 [ 2380.781717][ T73] fib6_rule_lookup+0x456/0x630 [ 2380.781717][ T73] ip6_route_input+0x59c/0xa50 [ 2380.781717][ T73] ipv6_rcv+0x397/0x810 [ 2380.781717][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2380.781717][ T73] process_backlog+0x101/0x620 [ 2380.781717][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2380.781717][ T73] net_rx_action+0x495/0xbe0 [ 2380.781717][ T73] __do_softirq+0x1b5/0x7f6 [ 2380.781717][ T73] [ 2380.783968][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.783968][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.783968][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.783968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.783968][ T73] ip6_route_add+0x1c/0x140 [ 2380.783968][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2380.783968][ T73] inet6_addr_add+0x4f8/0xa40 [ 2380.783968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.783968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.783968][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.783968][ T73] netlink_unicast+0x449/0x710 [ 2380.783968][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.783968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.783968][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.783968][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.783968][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.783968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.783968][ T73] [ 2380.786304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.786304][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.786304][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.786304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.786304][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2380.786304][ T73] ipv6_add_addr+0x411/0x2000 [ 2380.786304][ T73] inet6_addr_add+0x30e/0xa40 [ 2380.786304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.786304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.786304][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.786304][ T73] netlink_unicast+0x449/0x710 [ 2380.786304][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.786304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.786304][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.786304][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.786304][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.786304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.786304][ T73] [ 2380.788638][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.788638][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.788638][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.788638][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.788638][ T73] ip6_route_add+0x1c/0x140 [ 2380.788638][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.788638][ T73] addrconf_add_dev+0xe2/0x170 [ 2380.788638][ T73] inet6_addr_add+0x12f/0xa40 [ 2380.788638][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.788638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.788638][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.788638][ T73] netlink_unicast+0x449/0x710 [ 2380.788638][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.788638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.788638][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.788638][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.788638][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.788638][ T73] [ 2380.790955][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.790955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2380.790955][ T73] ipv6_find_idev+0x102/0x170 [ 2380.790955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.790955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.790955][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.790955][ T73] netlink_unicast+0x449/0x710 [ 2380.790955][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.790955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.790955][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.790955][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.790955][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.790955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.790955][ T73] [ 2380.792756][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2380.792756][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2380.792756][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2380.792756][ T73] ipv6_find_idev+0x102/0x170 [ 2380.792756][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.792756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.792756][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.792756][ T73] netlink_unicast+0x449/0x710 [ 2380.792756][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.792756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.792756][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.792756][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.792756][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.792756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.792756][ T73] [ 2380.794770][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2380.795063][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2380.795063][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.795063][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.795063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.795063][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2380.795063][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2380.795063][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2380.795063][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2380.795063][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2380.795063][ T73] addrconf_dad_begin+0x310/0x670 [ 2380.795063][ T73] addrconf_dad_work+0x10b/0xab0 [ 2380.795063][ T73] process_one_work+0x84d/0x18a0 [ 2380.795063][ T73] worker_thread+0x587/0xd30 [ 2380.795063][ T73] kthread+0x28a/0x350 [ 2380.795063][ T73] ret_from_fork+0x31/0x70 [ 2380.795063][ T73] ret_from_fork_asm+0x1a/0x30 [ 2380.795063][ T73] [ 2380.797305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2380.797305][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.797305][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.797305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.797305][ T73] ip6_route_add+0x1c/0x140 [ 2380.797305][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2380.797305][ T73] inet6_addr_add+0x4f8/0xa40 [ 2380.797305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.797305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.797305][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.797305][ T73] netlink_unicast+0x449/0x710 [ 2380.797305][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.797305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.797305][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.797305][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.797305][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.797305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.797305][ T73] [ 2380.799645][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2380.799645][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.799645][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.799645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.799645][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2380.799645][ T73] ipv6_add_addr+0x411/0x2000 [ 2380.799645][ T73] inet6_addr_add+0x30e/0xa40 [ 2380.799645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.799645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.799645][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.799645][ T73] netlink_unicast+0x449/0x710 [ 2380.799645][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.799645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.799645][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.799645][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.799645][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.799645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.799645][ T73] [ 2380.801976][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2380.801976][ T73] netdev_get_by_index+0x5e/0x80 [ 2380.801976][ T73] fib6_nh_init+0x3d8/0x1580 [ 2380.801976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2380.801976][ T73] ip6_route_add+0x1c/0x140 [ 2380.801976][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.801976][ T73] addrconf_add_dev+0xe2/0x170 [ 2380.801976][ T73] inet6_addr_add+0x12f/0xa40 [ 2380.801976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.801976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.801976][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.801976][ T73] netlink_unicast+0x449/0x710 [ 2380.801976][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.801976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.801976][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.801976][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.801976][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.801976][ T73] [ 2380.804294][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2380.804294][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2380.804294][ T73] ipv6_find_idev+0x102/0x170 [ 2380.804294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.804294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.804294][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.804294][ T73] netlink_unicast+0x449/0x710 [ 2380.804294][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.804294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.804294][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.804294][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.804294][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.804294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.804294][ T73] [ 2380.806087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2380.806087][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2380.806087][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2380.806087][ T73] ipv6_find_idev+0x102/0x170 [ 2380.806087][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.806087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.806087][ T73] netlink_rcv_skb+0x130/0x360 [ 2380.806087][ T73] netlink_unicast+0x449/0x710 [ 2380.806087][ T73] netlink_sendmsg+0x723/0xbe0 [ 2380.806087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2380.806087][ T73] ___sys_sendmsg+0xee/0x170 [ 2380.806087][ T73] __sys_sendmsg+0xcd/0x170 [ 2380.806087][ T73] do_syscall_64+0xc6/0x1e0 [ 2380.806087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.806087][ T73] [ 2391.062920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2391.063436][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.063436][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2391.063436][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2391.063436][ T73] fib6_nh_init+0xa22/0x1580 [ 2391.063436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.063436][ T73] ip6_route_add+0x1c/0x140 [ 2391.063436][ T73] inet6_rtm_newroute+0x104/0x110 [ 2391.063436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.063436][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.063436][ T73] netlink_unicast+0x449/0x710 [ 2391.063436][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.063436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.063436][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.063436][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.063436][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.063436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.063436][ T73] [ 2391.065439][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.065439][ T73] dst_init+0x84/0x4a0 [ 2391.065439][ T73] dst_alloc+0x97/0x150 [ 2391.065439][ T73] ip6_dst_alloc+0x23/0x90 [ 2391.065439][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.065439][ T73] ip6_pol_route+0x56f/0x840 [ 2391.065439][ T73] fib6_rule_lookup+0x456/0x630 [ 2391.065439][ T73] ip6_route_input+0x59c/0xa50 [ 2391.065439][ T73] ipv6_rcv+0x397/0x810 [ 2391.065439][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2391.065439][ T73] process_backlog+0x101/0x620 [ 2391.065439][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2391.065439][ T73] net_rx_action+0x495/0xbe0 [ 2391.065439][ T73] __do_softirq+0x1b5/0x7f6 [ 2391.065439][ T73] [ 2391.067163][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.067163][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.067163][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.067163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.067163][ T73] ip6_route_add+0x1c/0x140 [ 2391.067163][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2391.067163][ T73] inet6_addr_add+0x4f8/0xa40 [ 2391.067163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.067163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.067163][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.067163][ T73] netlink_unicast+0x449/0x710 [ 2391.067163][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.067163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.067163][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.067163][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.067163][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.067163][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.067163][ T73] [ 2391.069278][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.069278][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.069278][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.069278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.069278][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2391.069278][ T73] ipv6_add_addr+0x411/0x2000 [ 2391.069278][ T73] inet6_addr_add+0x30e/0xa40 [ 2391.069278][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.069278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.069278][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.069278][ T73] netlink_unicast+0x449/0x710 [ 2391.069278][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.069278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.069278][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.069278][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.069278][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.069278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.069278][ T73] [ 2391.071367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.071367][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.071367][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.071367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.071367][ T73] ip6_route_add+0x1c/0x140 [ 2391.071367][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.071367][ T73] addrconf_add_dev+0xe2/0x170 [ 2391.071367][ T73] inet6_addr_add+0x12f/0xa40 [ 2391.071367][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.071367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.071367][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.071367][ T73] netlink_unicast+0x449/0x710 [ 2391.071367][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.071367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.071367][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.071367][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.071367][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.071367][ T73] [ 2391.073435][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.073435][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2391.073435][ T73] ipv6_find_idev+0x102/0x170 [ 2391.073435][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.073435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.073435][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.073435][ T73] netlink_unicast+0x449/0x710 [ 2391.073435][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.073435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.073435][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.073435][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.073435][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.073435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.073435][ T73] [ 2391.075014][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2391.075014][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2391.075014][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2391.075014][ T73] ipv6_find_idev+0x102/0x170 [ 2391.075014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.075014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.075014][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.075014][ T73] netlink_unicast+0x449/0x710 [ 2391.075014][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.075014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.075014][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.075014][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.075014][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.075014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.075014][ T73] [ 2391.076731][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2391.077026][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.077026][ T73] dst_init+0x84/0x4a0 [ 2391.077026][ T73] dst_alloc+0x97/0x150 [ 2391.077026][ T73] ip6_dst_alloc+0x23/0x90 [ 2391.077026][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.077026][ T73] ip6_pol_route+0x56f/0x840 [ 2391.077026][ T73] fib6_rule_lookup+0x456/0x630 [ 2391.077026][ T73] ip6_route_input+0x59c/0xa50 [ 2391.077026][ T73] ipv6_rcv+0x397/0x810 [ 2391.077026][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2391.077026][ T73] process_backlog+0x101/0x620 [ 2391.077026][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2391.077026][ T73] net_rx_action+0x495/0xbe0 [ 2391.077026][ T73] __do_softirq+0x1b5/0x7f6 [ 2391.077026][ T73] [ 2391.078681][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.078681][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.078681][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.078681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.078681][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2391.078681][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2391.078681][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2391.078681][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2391.078681][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2391.078681][ T73] addrconf_dad_begin+0x310/0x670 [ 2391.078681][ T73] addrconf_dad_work+0x10b/0xab0 [ 2391.078681][ T73] process_one_work+0x84d/0x18a0 [ 2391.078681][ T73] worker_thread+0x587/0xd30 [ 2391.078681][ T73] kthread+0x28a/0x350 [ 2391.078681][ T73] ret_from_fork+0x31/0x70 [ 2391.078681][ T73] ret_from_fork_asm+0x1a/0x30 [ 2391.078681][ T73] [ 2391.080621][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.080621][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.080621][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.080621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.080621][ T73] ip6_route_add+0x1c/0x140 [ 2391.080621][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2391.080621][ T73] inet6_addr_add+0x4f8/0xa40 [ 2391.080621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.080621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.080621][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.080621][ T73] netlink_unicast+0x449/0x710 [ 2391.080621][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.080621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.080621][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.080621][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.080621][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.080621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.080621][ T73] [ 2391.082642][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.082642][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.082642][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.082642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.082642][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2391.082642][ T73] ipv6_add_addr+0x411/0x2000 [ 2391.082642][ T73] inet6_addr_add+0x30e/0xa40 [ 2391.082642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.082642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.082642][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.082642][ T73] netlink_unicast+0x449/0x710 [ 2391.082642][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.082642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.082642][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.082642][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.082642][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.082642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.082642][ T73] [ 2391.084664][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.084664][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.084664][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.084664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.084664][ T73] ip6_route_add+0x1c/0x140 [ 2391.084664][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.084664][ T73] addrconf_add_dev+0xe2/0x170 [ 2391.084664][ T73] inet6_addr_add+0x12f/0xa40 [ 2391.084664][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.084664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.084664][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.084664][ T73] netlink_unicast+0x449/0x710 [ 2391.084664][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.084664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.084664][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.084664][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.084664][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.084664][ T73] [ 2391.086644][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.086644][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2391.086644][ T73] ipv6_find_idev+0x102/0x170 [ 2391.086644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.086644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.086644][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.086644][ T73] netlink_unicast+0x449/0x710 [ 2391.086644][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.086644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.086644][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.086644][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.086644][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.086644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.086644][ T73] [ 2391.088192][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2391.088192][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2391.088192][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2391.088192][ T73] ipv6_find_idev+0x102/0x170 [ 2391.088192][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.088192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.088192][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.088192][ T73] netlink_unicast+0x449/0x710 [ 2391.088192][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.088192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.088192][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.088192][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.088192][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.088192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.088192][ T73] [ 2391.090015][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2391.090292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.090292][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2391.090292][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2391.090292][ T73] fib6_nh_init+0xa22/0x1580 [ 2391.090292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.090292][ T73] ip6_route_add+0x1c/0x140 [ 2391.090292][ T73] inet6_rtm_newroute+0x104/0x110 [ 2391.090292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.090292][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.090292][ T73] netlink_unicast+0x449/0x710 [ 2391.090292][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.090292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.090292][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.090292][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.090292][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.090292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.090292][ T73] [ 2391.092491][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.092491][ T73] dst_init+0x84/0x4a0 [ 2391.092491][ T73] dst_alloc+0x97/0x150 [ 2391.092491][ T73] ip6_dst_alloc+0x23/0x90 [ 2391.092491][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.092491][ T73] ip6_pol_route+0x56f/0x840 [ 2391.092491][ T73] fib6_rule_lookup+0x456/0x630 [ 2391.092491][ T73] ip6_route_input+0x59c/0xa50 [ 2391.092491][ T73] ipv6_rcv+0x397/0x810 [ 2391.092491][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2391.092491][ T73] process_backlog+0x101/0x620 [ 2391.092491][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2391.092491][ T73] net_rx_action+0x495/0xbe0 [ 2391.092491][ T73] __do_softirq+0x1b5/0x7f6 [ 2391.092491][ T73] [ 2391.094317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.094317][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.094317][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.094317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.094317][ T73] ip6_route_add+0x1c/0x140 [ 2391.094317][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2391.094317][ T73] inet6_addr_add+0x4f8/0xa40 [ 2391.094317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.094317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.094317][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.094317][ T73] netlink_unicast+0x449/0x710 [ 2391.094317][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.094317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.094317][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.094317][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.094317][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.094317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.094317][ T73] [ 2391.096568][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.096568][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.096568][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.096568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.096568][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2391.096568][ T73] ipv6_add_addr+0x411/0x2000 [ 2391.096568][ T73] inet6_addr_add+0x30e/0xa40 [ 2391.096568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.096568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.096568][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.096568][ T73] netlink_unicast+0x449/0x710 [ 2391.096568][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.096568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.096568][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.096568][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.096568][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.096568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.096568][ T73] [ 2391.098827][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.098827][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.098827][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.098827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.098827][ T73] ip6_route_add+0x1c/0x140 [ 2391.098827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.098827][ T73] addrconf_add_dev+0xe2/0x170 [ 2391.098827][ T73] inet6_addr_add+0x12f/0xa40 [ 2391.098827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.098827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.098827][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.098827][ T73] netlink_unicast+0x449/0x710 [ 2391.098827][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.098827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.098827][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.098827][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.098827][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.098827][ T73] [ 2391.101045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.101045][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2391.101045][ T73] ipv6_find_idev+0x102/0x170 [ 2391.101045][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.101045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.101045][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.101045][ T73] netlink_unicast+0x449/0x710 [ 2391.101045][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.101045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.101045][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.101045][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.101045][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.101045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.101045][ T73] [ 2391.102772][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2391.102772][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2391.102772][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2391.102772][ T73] ipv6_find_idev+0x102/0x170 [ 2391.102772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.102772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.102772][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.102772][ T73] netlink_unicast+0x449/0x710 [ 2391.102772][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.102772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.102772][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.102772][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.102772][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.102772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.102772][ T73] [ 2391.104715][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2391.105423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2391.105423][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.105423][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.105423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.105423][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2391.105423][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2391.105423][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2391.105423][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2391.105423][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2391.105423][ T73] addrconf_dad_begin+0x310/0x670 [ 2391.105423][ T73] addrconf_dad_work+0x10b/0xab0 [ 2391.105423][ T73] process_one_work+0x84d/0x18a0 [ 2391.105423][ T73] worker_thread+0x587/0xd30 [ 2391.105423][ T73] kthread+0x28a/0x350 [ 2391.105423][ T73] ret_from_fork+0x31/0x70 [ 2391.105423][ T73] ret_from_fork_asm+0x1a/0x30 [ 2391.105423][ T73] [ 2391.107337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2391.107337][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.107337][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.107337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.107337][ T73] ip6_route_add+0x1c/0x140 [ 2391.107337][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2391.107337][ T73] inet6_addr_add+0x4f8/0xa40 [ 2391.107337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.107337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.107337][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.107337][ T73] netlink_unicast+0x449/0x710 [ 2391.107337][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.107337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.107337][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.107337][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.107337][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.107337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.107337][ T73] [ 2391.109478][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2391.109478][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.109478][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.109478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.109478][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2391.109478][ T73] ipv6_add_addr+0x411/0x2000 [ 2391.109478][ T73] inet6_addr_add+0x30e/0xa40 [ 2391.109478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.109478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.109478][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.109478][ T73] netlink_unicast+0x449/0x710 [ 2391.109478][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.109478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.109478][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.109478][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.109478][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.109478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.109478][ T73] [ 2391.111741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2391.111741][ T73] netdev_get_by_index+0x5e/0x80 [ 2391.111741][ T73] fib6_nh_init+0x3d8/0x1580 [ 2391.111741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2391.111741][ T73] ip6_route_add+0x1c/0x140 [ 2391.111741][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.111741][ T73] addrconf_add_dev+0xe2/0x170 [ 2391.111741][ T73] inet6_addr_add+0x12f/0xa40 [ 2391.111741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.111741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.111741][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.111741][ T73] netlink_unicast+0x449/0x710 [ 2391.111741][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.111741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.111741][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.111741][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.111741][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.111741][ T73] [ 2391.113959][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2391.113959][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2391.113959][ T73] ipv6_find_idev+0x102/0x170 [ 2391.113959][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.113959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.113959][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.113959][ T73] netlink_unicast+0x449/0x710 [ 2391.113959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.113959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.113959][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.113959][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.113959][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.113959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.113959][ T73] [ 2391.115698][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2391.115698][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2391.115698][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2391.115698][ T73] ipv6_find_idev+0x102/0x170 [ 2391.115698][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.115698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.115698][ T73] netlink_rcv_skb+0x130/0x360 [ 2391.115698][ T73] netlink_unicast+0x449/0x710 [ 2391.115698][ T73] netlink_sendmsg+0x723/0xbe0 [ 2391.115698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2391.115698][ T73] ___sys_sendmsg+0xee/0x170 [ 2391.115698][ T73] __sys_sendmsg+0xcd/0x170 [ 2391.115698][ T73] do_syscall_64+0xc6/0x1e0 [ 2391.115698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.115698][ T73] [ 2401.358927][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2401.359459][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.359459][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2401.359459][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2401.359459][ T73] fib6_nh_init+0xa22/0x1580 [ 2401.359459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.359459][ T73] ip6_route_add+0x1c/0x140 [ 2401.359459][ T73] inet6_rtm_newroute+0x104/0x110 [ 2401.359459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.359459][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.359459][ T73] netlink_unicast+0x449/0x710 [ 2401.359459][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.359459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.359459][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.359459][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.359459][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.359459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.359459][ T73] [ 2401.361370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.361370][ T73] dst_init+0x84/0x4a0 [ 2401.361370][ T73] dst_alloc+0x97/0x150 [ 2401.361370][ T73] ip6_dst_alloc+0x23/0x90 [ 2401.361370][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.361370][ T73] ip6_pol_route+0x56f/0x840 [ 2401.361370][ T73] fib6_rule_lookup+0x456/0x630 [ 2401.361370][ T73] ip6_route_input+0x59c/0xa50 [ 2401.361370][ T73] ipv6_rcv+0x397/0x810 [ 2401.361370][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2401.361370][ T73] process_backlog+0x101/0x620 [ 2401.361370][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2401.361370][ T73] net_rx_action+0x495/0xbe0 [ 2401.361370][ T73] __do_softirq+0x1b5/0x7f6 [ 2401.361370][ T73] [ 2401.363032][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.363032][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.363032][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.363032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.363032][ T73] ip6_route_add+0x1c/0x140 [ 2401.363032][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2401.363032][ T73] inet6_addr_add+0x4f8/0xa40 [ 2401.363032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.363032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.363032][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.363032][ T73] netlink_unicast+0x449/0x710 [ 2401.363032][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.363032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.363032][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.363032][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.363032][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.363032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.363032][ T73] [ 2401.365040][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.365040][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.365040][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.365040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.365040][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2401.365040][ T73] ipv6_add_addr+0x411/0x2000 [ 2401.365040][ T73] inet6_addr_add+0x30e/0xa40 [ 2401.365040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.365040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.365040][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.365040][ T73] netlink_unicast+0x449/0x710 [ 2401.365040][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.365040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.365040][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.365040][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.365040][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.365040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.365040][ T73] [ 2401.367056][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.367056][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.367056][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.367056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.367056][ T73] ip6_route_add+0x1c/0x140 [ 2401.367056][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.367056][ T73] addrconf_add_dev+0xe2/0x170 [ 2401.367056][ T73] inet6_addr_add+0x12f/0xa40 [ 2401.367056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.367056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.367056][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.367056][ T73] netlink_unicast+0x449/0x710 [ 2401.367056][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.367056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.367056][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.367056][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.367056][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.367056][ T73] [ 2401.369026][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.369026][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2401.369026][ T73] ipv6_find_idev+0x102/0x170 [ 2401.369026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.369026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.369026][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.369026][ T73] netlink_unicast+0x449/0x710 [ 2401.369026][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.369026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.369026][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.369026][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.369026][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.369026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.369026][ T73] [ 2401.370578][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2401.370578][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2401.370578][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2401.370578][ T73] ipv6_find_idev+0x102/0x170 [ 2401.370578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.370578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.370578][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.370578][ T73] netlink_unicast+0x449/0x710 [ 2401.370578][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.370578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.370578][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.370578][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.370578][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.370578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.370578][ T73] [ 2401.372291][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2401.372571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.372571][ T73] dst_init+0x84/0x4a0 [ 2401.372571][ T73] dst_alloc+0x97/0x150 [ 2401.372571][ T73] ip6_dst_alloc+0x23/0x90 [ 2401.372571][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.372571][ T73] ip6_pol_route+0x56f/0x840 [ 2401.372571][ T73] fib6_rule_lookup+0x456/0x630 [ 2401.372571][ T73] ip6_route_input+0x59c/0xa50 [ 2401.372571][ T73] ipv6_rcv+0x397/0x810 [ 2401.372571][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2401.372571][ T73] process_backlog+0x101/0x620 [ 2401.372571][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2401.372571][ T73] net_rx_action+0x495/0xbe0 [ 2401.372571][ T73] __do_softirq+0x1b5/0x7f6 [ 2401.372571][ T73] [ 2401.374225][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.374225][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.374225][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.374225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.374225][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2401.374225][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2401.374225][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2401.374225][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2401.374225][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2401.374225][ T73] addrconf_dad_begin+0x310/0x670 [ 2401.374225][ T73] addrconf_dad_work+0x10b/0xab0 [ 2401.374225][ T73] process_one_work+0x84d/0x18a0 [ 2401.374225][ T73] worker_thread+0x587/0xd30 [ 2401.374225][ T73] kthread+0x28a/0x350 [ 2401.374225][ T73] ret_from_fork+0x31/0x70 [ 2401.374225][ T73] ret_from_fork_asm+0x1a/0x30 [ 2401.374225][ T73] [ 2401.376146][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.376146][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.376146][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.376146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.376146][ T73] ip6_route_add+0x1c/0x140 [ 2401.376146][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2401.376146][ T73] inet6_addr_add+0x4f8/0xa40 [ 2401.376146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.376146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.376146][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.376146][ T73] netlink_unicast+0x449/0x710 [ 2401.376146][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.376146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.376146][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.376146][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.376146][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.376146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.376146][ T73] [ 2401.378173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.378173][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.378173][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.378173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.378173][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2401.378173][ T73] ipv6_add_addr+0x411/0x2000 [ 2401.378173][ T73] inet6_addr_add+0x30e/0xa40 [ 2401.378173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.378173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.378173][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.378173][ T73] netlink_unicast+0x449/0x710 [ 2401.378173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.378173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.378173][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.378173][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.378173][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.378173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.378173][ T73] [ 2401.380209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.380209][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.380209][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.380209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.380209][ T73] ip6_route_add+0x1c/0x140 [ 2401.380209][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.380209][ T73] addrconf_add_dev+0xe2/0x170 [ 2401.380209][ T73] inet6_addr_add+0x12f/0xa40 [ 2401.380209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.380209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.380209][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.380209][ T73] netlink_unicast+0x449/0x710 [ 2401.380209][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.380209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.380209][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.380209][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.380209][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.380209][ T73] [ 2401.382188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.382188][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2401.382188][ T73] ipv6_find_idev+0x102/0x170 [ 2401.382188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.382188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.382188][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.382188][ T73] netlink_unicast+0x449/0x710 [ 2401.382188][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.382188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.382188][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.382188][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.382188][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.382188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.382188][ T73] [ 2401.383751][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2401.383751][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2401.383751][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2401.383751][ T73] ipv6_find_idev+0x102/0x170 [ 2401.383751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.383751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.383751][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.383751][ T73] netlink_unicast+0x449/0x710 [ 2401.383751][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.383751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.383751][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.383751][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.383751][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.383751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.383751][ T73] [ 2401.385590][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2401.385878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.385878][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2401.385878][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2401.385878][ T73] fib6_nh_init+0xa22/0x1580 [ 2401.385878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.385878][ T73] ip6_route_add+0x1c/0x140 [ 2401.385878][ T73] inet6_rtm_newroute+0x104/0x110 [ 2401.385878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.385878][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.385878][ T73] netlink_unicast+0x449/0x710 [ 2401.385878][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.385878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.385878][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.385878][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.385878][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.385878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.385878][ T73] [ 2401.388020][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.388020][ T73] dst_init+0x84/0x4a0 [ 2401.388020][ T73] dst_alloc+0x97/0x150 [ 2401.388020][ T73] ip6_dst_alloc+0x23/0x90 [ 2401.388020][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.388020][ T73] ip6_pol_route+0x56f/0x840 [ 2401.388020][ T73] fib6_rule_lookup+0x456/0x630 [ 2401.388020][ T73] ip6_route_input+0x59c/0xa50 [ 2401.388020][ T73] ipv6_rcv+0x397/0x810 [ 2401.388020][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2401.388020][ T73] process_backlog+0x101/0x620 [ 2401.388020][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2401.388020][ T73] net_rx_action+0x495/0xbe0 [ 2401.388020][ T73] __do_softirq+0x1b5/0x7f6 [ 2401.388020][ T73] [ 2401.389869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.389869][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.389869][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.389869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.389869][ T73] ip6_route_add+0x1c/0x140 [ 2401.389869][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2401.389869][ T73] inet6_addr_add+0x4f8/0xa40 [ 2401.389869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.389869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.389869][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.389869][ T73] netlink_unicast+0x449/0x710 [ 2401.389869][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.389869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.389869][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.389869][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.389869][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.389869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.389869][ T73] [ 2401.392129][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.392129][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.392129][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.392129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.392129][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2401.392129][ T73] ipv6_add_addr+0x411/0x2000 [ 2401.392129][ T73] inet6_addr_add+0x30e/0xa40 [ 2401.392129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.392129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.392129][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.392129][ T73] netlink_unicast+0x449/0x710 [ 2401.392129][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.392129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.392129][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.392129][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.392129][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.392129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.392129][ T73] [ 2401.394504][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.394504][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.394504][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.394504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.394504][ T73] ip6_route_add+0x1c/0x140 [ 2401.394504][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.394504][ T73] addrconf_add_dev+0xe2/0x170 [ 2401.394504][ T73] inet6_addr_add+0x12f/0xa40 [ 2401.394504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.394504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.394504][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.394504][ T73] netlink_unicast+0x449/0x710 [ 2401.394504][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.394504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.394504][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.394504][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.394504][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.394504][ T73] [ 2401.397164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.397164][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2401.397164][ T73] ipv6_find_idev+0x102/0x170 [ 2401.397164][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.397164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.397164][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.397164][ T73] netlink_unicast+0x449/0x710 [ 2401.397164][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.397164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.397164][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.397164][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.397164][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.397164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.397164][ T73] [ 2401.399202][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2401.399202][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2401.399202][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2401.399202][ T73] ipv6_find_idev+0x102/0x170 [ 2401.399202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.399202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.399202][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.399202][ T73] netlink_unicast+0x449/0x710 [ 2401.399202][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.399202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.399202][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.399202][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.399202][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.399202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.399202][ T73] [ 2401.401582][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2401.402359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2401.402359][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.402359][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.402359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.402359][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2401.402359][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2401.402359][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2401.402359][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2401.402359][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2401.402359][ T73] addrconf_dad_begin+0x310/0x670 [ 2401.402359][ T73] addrconf_dad_work+0x10b/0xab0 [ 2401.402359][ T73] process_one_work+0x84d/0x18a0 [ 2401.402359][ T73] worker_thread+0x587/0xd30 [ 2401.402359][ T73] kthread+0x28a/0x350 [ 2401.402359][ T73] ret_from_fork+0x31/0x70 [ 2401.402359][ T73] ret_from_fork_asm+0x1a/0x30 [ 2401.402359][ T73] [ 2401.404641][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2401.404641][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.404641][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.404641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.404641][ T73] ip6_route_add+0x1c/0x140 [ 2401.404641][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2401.404641][ T73] inet6_addr_add+0x4f8/0xa40 [ 2401.404641][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.404641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.404641][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.404641][ T73] netlink_unicast+0x449/0x710 [ 2401.404641][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.404641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.404641][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.404641][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.404641][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.404641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.404641][ T73] [ 2401.406779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2401.406779][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.406779][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.406779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.406779][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2401.406779][ T73] ipv6_add_addr+0x411/0x2000 [ 2401.406779][ T73] inet6_addr_add+0x30e/0xa40 [ 2401.406779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.406779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.406779][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.406779][ T73] netlink_unicast+0x449/0x710 [ 2401.406779][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.406779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.406779][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.406779][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.406779][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.406779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.406779][ T73] [ 2401.409100][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2401.409100][ T73] netdev_get_by_index+0x5e/0x80 [ 2401.409100][ T73] fib6_nh_init+0x3d8/0x1580 [ 2401.409100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2401.409100][ T73] ip6_route_add+0x1c/0x140 [ 2401.409100][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.409100][ T73] addrconf_add_dev+0xe2/0x170 [ 2401.409100][ T73] inet6_addr_add+0x12f/0xa40 [ 2401.409100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.409100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.409100][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.409100][ T73] netlink_unicast+0x449/0x710 [ 2401.409100][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.409100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.409100][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.409100][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.409100][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.409100][ T73] [ 2401.411267][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2401.411267][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2401.411267][ T73] ipv6_find_idev+0x102/0x170 [ 2401.411267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.411267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.411267][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.411267][ T73] netlink_unicast+0x449/0x710 [ 2401.411267][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.411267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.411267][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.411267][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.411267][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.411267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.411267][ T73] [ 2401.412992][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2401.412992][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2401.412992][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2401.412992][ T73] ipv6_find_idev+0x102/0x170 [ 2401.412992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.412992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.412992][ T73] netlink_rcv_skb+0x130/0x360 [ 2401.412992][ T73] netlink_unicast+0x449/0x710 [ 2401.412992][ T73] netlink_sendmsg+0x723/0xbe0 [ 2401.412992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2401.412992][ T73] ___sys_sendmsg+0xee/0x170 [ 2401.412992][ T73] __sys_sendmsg+0xcd/0x170 [ 2401.412992][ T73] do_syscall_64+0xc6/0x1e0 [ 2401.412992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.412992][ T73] [ 2411.446928][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2411.447448][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.447448][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2411.447448][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2411.447448][ T73] fib6_nh_init+0xa22/0x1580 [ 2411.447448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.447448][ T73] ip6_route_add+0x1c/0x140 [ 2411.447448][ T73] inet6_rtm_newroute+0x104/0x110 [ 2411.447448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.447448][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.447448][ T73] netlink_unicast+0x449/0x710 [ 2411.447448][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.447448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.447448][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.447448][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.447448][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.447448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.447448][ T73] [ 2411.449370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.449370][ T73] dst_init+0x84/0x4a0 [ 2411.449370][ T73] dst_alloc+0x97/0x150 [ 2411.449370][ T73] ip6_dst_alloc+0x23/0x90 [ 2411.449370][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.449370][ T73] ip6_pol_route+0x56f/0x840 [ 2411.449370][ T73] fib6_rule_lookup+0x456/0x630 [ 2411.449370][ T73] ip6_route_input+0x59c/0xa50 [ 2411.449370][ T73] ipv6_rcv+0x397/0x810 [ 2411.449370][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.449370][ T73] process_backlog+0x101/0x620 [ 2411.449370][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2411.449370][ T73] net_rx_action+0x495/0xbe0 [ 2411.449370][ T73] __do_softirq+0x1b5/0x7f6 [ 2411.449370][ T73] [ 2411.451021][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.451021][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.451021][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.451021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.451021][ T73] ip6_route_add+0x1c/0x140 [ 2411.451021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2411.451021][ T73] inet6_addr_add+0x4f8/0xa40 [ 2411.451021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.451021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.451021][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.451021][ T73] netlink_unicast+0x449/0x710 [ 2411.451021][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.451021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.451021][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.451021][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.451021][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.451021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.451021][ T73] [ 2411.453028][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.453028][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.453028][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.453028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.453028][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2411.453028][ T73] ipv6_add_addr+0x411/0x2000 [ 2411.453028][ T73] inet6_addr_add+0x30e/0xa40 [ 2411.453028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.453028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.453028][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.453028][ T73] netlink_unicast+0x449/0x710 [ 2411.453028][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.453028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.453028][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.453028][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.453028][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.453028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.453028][ T73] [ 2411.455036][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.455036][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.455036][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.455036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.455036][ T73] ip6_route_add+0x1c/0x140 [ 2411.455036][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.455036][ T73] addrconf_add_dev+0xe2/0x170 [ 2411.455036][ T73] inet6_addr_add+0x12f/0xa40 [ 2411.455036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.455036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.455036][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.455036][ T73] netlink_unicast+0x449/0x710 [ 2411.455036][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.455036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.455036][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.455036][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.455036][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.455036][ T73] [ 2411.457009][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.457009][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2411.457009][ T73] ipv6_find_idev+0x102/0x170 [ 2411.457009][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.457009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.457009][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.457009][ T73] netlink_unicast+0x449/0x710 [ 2411.457009][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.457009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.457009][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.457009][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.457009][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.457009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.457009][ T73] [ 2411.458553][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2411.458553][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2411.458553][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2411.458553][ T73] ipv6_find_idev+0x102/0x170 [ 2411.458553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.458553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.458553][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.458553][ T73] netlink_unicast+0x449/0x710 [ 2411.458553][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.458553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.458553][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.458553][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.458553][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.458553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.458553][ T73] [ 2411.460286][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2411.460567][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.460567][ T73] dst_init+0x84/0x4a0 [ 2411.460567][ T73] dst_alloc+0x97/0x150 [ 2411.460567][ T73] ip6_dst_alloc+0x23/0x90 [ 2411.460567][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.460567][ T73] ip6_pol_route+0x56f/0x840 [ 2411.460567][ T73] fib6_rule_lookup+0x456/0x630 [ 2411.460567][ T73] ip6_route_input+0x59c/0xa50 [ 2411.460567][ T73] ipv6_rcv+0x397/0x810 [ 2411.460567][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.460567][ T73] process_backlog+0x101/0x620 [ 2411.460567][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2411.460567][ T73] net_rx_action+0x495/0xbe0 [ 2411.460567][ T73] __do_softirq+0x1b5/0x7f6 [ 2411.460567][ T73] [ 2411.462220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.462220][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.462220][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.462220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.462220][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2411.462220][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2411.462220][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2411.462220][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2411.462220][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2411.462220][ T73] addrconf_dad_begin+0x310/0x670 [ 2411.462220][ T73] addrconf_dad_work+0x10b/0xab0 [ 2411.462220][ T73] process_one_work+0x84d/0x18a0 [ 2411.462220][ T73] worker_thread+0x587/0xd30 [ 2411.462220][ T73] kthread+0x28a/0x350 [ 2411.462220][ T73] ret_from_fork+0x31/0x70 [ 2411.462220][ T73] ret_from_fork_asm+0x1a/0x30 [ 2411.462220][ T73] [ 2411.464160][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.464160][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.464160][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.464160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.464160][ T73] ip6_route_add+0x1c/0x140 [ 2411.464160][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2411.464160][ T73] inet6_addr_add+0x4f8/0xa40 [ 2411.464160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.464160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.464160][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.464160][ T73] netlink_unicast+0x449/0x710 [ 2411.464160][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.464160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.464160][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.464160][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.464160][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.464160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.464160][ T73] [ 2411.466164][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.466164][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.466164][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.466164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.466164][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2411.466164][ T73] ipv6_add_addr+0x411/0x2000 [ 2411.466164][ T73] inet6_addr_add+0x30e/0xa40 [ 2411.466164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.466164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.466164][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.466164][ T73] netlink_unicast+0x449/0x710 [ 2411.466164][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.466164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.466164][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.466164][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.466164][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.466164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.466164][ T73] [ 2411.468168][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.468168][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.468168][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.468168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.468168][ T73] ip6_route_add+0x1c/0x140 [ 2411.468168][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.468168][ T73] addrconf_add_dev+0xe2/0x170 [ 2411.468168][ T73] inet6_addr_add+0x12f/0xa40 [ 2411.468168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.468168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.468168][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.468168][ T73] netlink_unicast+0x449/0x710 [ 2411.468168][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.468168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.468168][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.468168][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.468168][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.468168][ T73] [ 2411.470140][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.470140][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2411.470140][ T73] ipv6_find_idev+0x102/0x170 [ 2411.470140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.470140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.470140][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.470140][ T73] netlink_unicast+0x449/0x710 [ 2411.470140][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.470140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.470140][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.470140][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.470140][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.470140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.470140][ T73] [ 2411.471685][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2411.471685][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2411.471685][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2411.471685][ T73] ipv6_find_idev+0x102/0x170 [ 2411.471685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.471685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.471685][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.471685][ T73] netlink_unicast+0x449/0x710 [ 2411.471685][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.471685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.471685][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.471685][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.471685][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.471685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.471685][ T73] [ 2411.473513][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2411.473791][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.473791][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2411.473791][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2411.473791][ T73] fib6_nh_init+0xa22/0x1580 [ 2411.473791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.473791][ T73] ip6_route_add+0x1c/0x140 [ 2411.473791][ T73] inet6_rtm_newroute+0x104/0x110 [ 2411.473791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.473791][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.473791][ T73] netlink_unicast+0x449/0x710 [ 2411.473791][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.473791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.473791][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.473791][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.473791][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.473791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.473791][ T73] [ 2411.475923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.475923][ T73] dst_init+0x84/0x4a0 [ 2411.475923][ T73] dst_alloc+0x97/0x150 [ 2411.475923][ T73] ip6_dst_alloc+0x23/0x90 [ 2411.475923][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.475923][ T73] ip6_pol_route+0x56f/0x840 [ 2411.475923][ T73] fib6_rule_lookup+0x456/0x630 [ 2411.475923][ T73] ip6_route_input+0x59c/0xa50 [ 2411.475923][ T73] ipv6_rcv+0x397/0x810 [ 2411.475923][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.475923][ T73] process_backlog+0x101/0x620 [ 2411.475923][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2411.475923][ T73] net_rx_action+0x495/0xbe0 [ 2411.475923][ T73] __do_softirq+0x1b5/0x7f6 [ 2411.475923][ T73] [ 2411.477820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.477820][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.477820][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.477820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.477820][ T73] ip6_route_add+0x1c/0x140 [ 2411.477820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2411.477820][ T73] inet6_addr_add+0x4f8/0xa40 [ 2411.477820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.477820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.477820][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.477820][ T73] netlink_unicast+0x449/0x710 [ 2411.477820][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.477820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.477820][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.477820][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.477820][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.477820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.477820][ T73] [ 2411.480089][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.480089][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.480089][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.480089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.480089][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2411.480089][ T73] ipv6_add_addr+0x411/0x2000 [ 2411.480089][ T73] inet6_addr_add+0x30e/0xa40 [ 2411.480089][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.480089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.480089][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.480089][ T73] netlink_unicast+0x449/0x710 [ 2411.480089][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.480089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.480089][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.480089][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.480089][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.480089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.480089][ T73] [ 2411.482349][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.482349][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.482349][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.482349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.482349][ T73] ip6_route_add+0x1c/0x140 [ 2411.482349][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.482349][ T73] addrconf_add_dev+0xe2/0x170 [ 2411.482349][ T73] inet6_addr_add+0x12f/0xa40 [ 2411.482349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.482349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.482349][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.482349][ T73] netlink_unicast+0x449/0x710 [ 2411.482349][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.482349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.482349][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.482349][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.482349][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.482349][ T73] [ 2411.484995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.484995][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2411.484995][ T73] ipv6_find_idev+0x102/0x170 [ 2411.484995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.484995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.484995][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.484995][ T73] netlink_unicast+0x449/0x710 [ 2411.484995][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.484995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.484995][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.484995][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.484995][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.484995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.484995][ T73] [ 2411.487083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2411.487083][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2411.487083][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2411.487083][ T73] ipv6_find_idev+0x102/0x170 [ 2411.487083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.487083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.487083][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.487083][ T73] netlink_unicast+0x449/0x710 [ 2411.487083][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.487083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.487083][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.487083][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.487083][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.487083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.487083][ T73] [ 2411.489503][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2411.490281][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2411.490281][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.490281][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.490281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.490281][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2411.490281][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2411.490281][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2411.490281][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2411.490281][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2411.490281][ T73] addrconf_dad_begin+0x310/0x670 [ 2411.490281][ T73] addrconf_dad_work+0x10b/0xab0 [ 2411.490281][ T73] process_one_work+0x84d/0x18a0 [ 2411.490281][ T73] worker_thread+0x587/0xd30 [ 2411.490281][ T73] kthread+0x28a/0x350 [ 2411.490281][ T73] ret_from_fork+0x31/0x70 [ 2411.490281][ T73] ret_from_fork_asm+0x1a/0x30 [ 2411.490281][ T73] [ 2411.492680][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2411.492680][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.492680][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.492680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.492680][ T73] ip6_route_add+0x1c/0x140 [ 2411.492680][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2411.492680][ T73] inet6_addr_add+0x4f8/0xa40 [ 2411.492680][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.492680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.492680][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.492680][ T73] netlink_unicast+0x449/0x710 [ 2411.492680][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.492680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.492680][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.492680][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.492680][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.492680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.492680][ T73] [ 2411.494814][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2411.494814][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.494814][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.494814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.494814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2411.494814][ T73] ipv6_add_addr+0x411/0x2000 [ 2411.494814][ T73] inet6_addr_add+0x30e/0xa40 [ 2411.494814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.494814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.494814][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.494814][ T73] netlink_unicast+0x449/0x710 [ 2411.494814][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.494814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.494814][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.494814][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.494814][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.494814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.494814][ T73] [ 2411.497061][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2411.497061][ T73] netdev_get_by_index+0x5e/0x80 [ 2411.497061][ T73] fib6_nh_init+0x3d8/0x1580 [ 2411.497061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2411.497061][ T73] ip6_route_add+0x1c/0x140 [ 2411.497061][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.497061][ T73] addrconf_add_dev+0xe2/0x170 [ 2411.497061][ T73] inet6_addr_add+0x12f/0xa40 [ 2411.497061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.497061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.497061][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.497061][ T73] netlink_unicast+0x449/0x710 [ 2411.497061][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.497061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.497061][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.497061][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.497061][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.497061][ T73] [ 2411.499324][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2411.499324][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2411.499324][ T73] ipv6_find_idev+0x102/0x170 [ 2411.499324][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.499324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.499324][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.499324][ T73] netlink_unicast+0x449/0x710 [ 2411.499324][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.499324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.499324][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.499324][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.499324][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.499324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.499324][ T73] [ 2411.501079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2411.501079][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2411.501079][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2411.501079][ T73] ipv6_find_idev+0x102/0x170 [ 2411.501079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.501079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.501079][ T73] netlink_rcv_skb+0x130/0x360 [ 2411.501079][ T73] netlink_unicast+0x449/0x710 [ 2411.501079][ T73] netlink_sendmsg+0x723/0xbe0 [ 2411.501079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2411.501079][ T73] ___sys_sendmsg+0xee/0x170 [ 2411.501079][ T73] __sys_sendmsg+0xcd/0x170 [ 2411.501079][ T73] do_syscall_64+0xc6/0x1e0 [ 2411.501079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.501079][ T73] [ 2421.655025][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2421.655516][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.655516][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2421.655516][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2421.655516][ T73] fib6_nh_init+0xa22/0x1580 [ 2421.655516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.655516][ T73] ip6_route_add+0x1c/0x140 [ 2421.655516][ T73] inet6_rtm_newroute+0x104/0x110 [ 2421.655516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.655516][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.655516][ T73] netlink_unicast+0x449/0x710 [ 2421.655516][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.655516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.655516][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.655516][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.655516][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.655516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.655516][ T73] [ 2421.657470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.657470][ T73] dst_init+0x84/0x4a0 [ 2421.657470][ T73] dst_alloc+0x97/0x150 [ 2421.657470][ T73] ip6_dst_alloc+0x23/0x90 [ 2421.657470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.657470][ T73] ip6_pol_route+0x56f/0x840 [ 2421.657470][ T73] fib6_rule_lookup+0x456/0x630 [ 2421.657470][ T73] ip6_route_input+0x59c/0xa50 [ 2421.657470][ T73] ipv6_rcv+0x397/0x810 [ 2421.657470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2421.657470][ T73] process_backlog+0x101/0x620 [ 2421.657470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2421.657470][ T73] net_rx_action+0x495/0xbe0 [ 2421.657470][ T73] __do_softirq+0x1b5/0x7f6 [ 2421.657470][ T73] [ 2421.659093][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.659093][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.659093][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.659093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.659093][ T73] ip6_route_add+0x1c/0x140 [ 2421.659093][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2421.659093][ T73] inet6_addr_add+0x4f8/0xa40 [ 2421.659093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.659093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.659093][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.659093][ T73] netlink_unicast+0x449/0x710 [ 2421.659093][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.659093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.659093][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.659093][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.659093][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.659093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.659093][ T73] [ 2421.661096][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.661096][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.661096][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.661096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.661096][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2421.661096][ T73] ipv6_add_addr+0x411/0x2000 [ 2421.661096][ T73] inet6_addr_add+0x30e/0xa40 [ 2421.661096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.661096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.661096][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.661096][ T73] netlink_unicast+0x449/0x710 [ 2421.661096][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.661096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.661096][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.661096][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.661096][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.661096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.661096][ T73] [ 2421.663079][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.663079][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.663079][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.663079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.663079][ T73] ip6_route_add+0x1c/0x140 [ 2421.663079][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.663079][ T73] addrconf_add_dev+0xe2/0x170 [ 2421.663079][ T73] inet6_addr_add+0x12f/0xa40 [ 2421.663079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.663079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.663079][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.663079][ T73] netlink_unicast+0x449/0x710 [ 2421.663079][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.663079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.663079][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.663079][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.663079][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.663079][ T73] [ 2421.665047][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.665047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2421.665047][ T73] ipv6_find_idev+0x102/0x170 [ 2421.665047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.665047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.665047][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.665047][ T73] netlink_unicast+0x449/0x710 [ 2421.665047][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.665047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.665047][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.665047][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.665047][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.665047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.665047][ T73] [ 2421.666590][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2421.666590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2421.666590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2421.666590][ T73] ipv6_find_idev+0x102/0x170 [ 2421.666590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.666590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.666590][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.666590][ T73] netlink_unicast+0x449/0x710 [ 2421.666590][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.666590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.666590][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.666590][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.666590][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.666590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.666590][ T73] [ 2421.668282][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2421.668549][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.668549][ T73] dst_init+0x84/0x4a0 [ 2421.668549][ T73] dst_alloc+0x97/0x150 [ 2421.668549][ T73] ip6_dst_alloc+0x23/0x90 [ 2421.668549][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.668549][ T73] ip6_pol_route+0x56f/0x840 [ 2421.668549][ T73] fib6_rule_lookup+0x456/0x630 [ 2421.668549][ T73] ip6_route_input+0x59c/0xa50 [ 2421.668549][ T73] ipv6_rcv+0x397/0x810 [ 2421.668549][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2421.668549][ T73] process_backlog+0x101/0x620 [ 2421.668549][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2421.668549][ T73] net_rx_action+0x495/0xbe0 [ 2421.668549][ T73] __do_softirq+0x1b5/0x7f6 [ 2421.668549][ T73] [ 2421.670271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.670271][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.670271][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.670271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.670271][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2421.670271][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2421.670271][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2421.670271][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2421.670271][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2421.670271][ T73] addrconf_dad_begin+0x310/0x670 [ 2421.670271][ T73] addrconf_dad_work+0x10b/0xab0 [ 2421.670271][ T73] process_one_work+0x84d/0x18a0 [ 2421.670271][ T73] worker_thread+0x587/0xd30 [ 2421.670271][ T73] kthread+0x28a/0x350 [ 2421.670271][ T73] ret_from_fork+0x31/0x70 [ 2421.670271][ T73] ret_from_fork_asm+0x1a/0x30 [ 2421.670271][ T73] [ 2421.672293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.672293][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.672293][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.672293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.672293][ T73] ip6_route_add+0x1c/0x140 [ 2421.672293][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2421.672293][ T73] inet6_addr_add+0x4f8/0xa40 [ 2421.672293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.672293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.672293][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.672293][ T73] netlink_unicast+0x449/0x710 [ 2421.672293][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.672293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.672293][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.672293][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.672293][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.672293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.672293][ T73] [ 2421.674401][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.674401][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.674401][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.674401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.674401][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2421.674401][ T73] ipv6_add_addr+0x411/0x2000 [ 2421.674401][ T73] inet6_addr_add+0x30e/0xa40 [ 2421.674401][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.674401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.674401][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.674401][ T73] netlink_unicast+0x449/0x710 [ 2421.674401][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.674401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.674401][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.674401][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.674401][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.674401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.674401][ T73] [ 2421.676531][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.676531][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.676531][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.676531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.676531][ T73] ip6_route_add+0x1c/0x140 [ 2421.676531][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.676531][ T73] addrconf_add_dev+0xe2/0x170 [ 2421.676531][ T73] inet6_addr_add+0x12f/0xa40 [ 2421.676531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.676531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.676531][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.676531][ T73] netlink_unicast+0x449/0x710 [ 2421.676531][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.676531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.676531][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.676531][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.676531][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.676531][ T73] [ 2421.678611][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.678611][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2421.678611][ T73] ipv6_find_idev+0x102/0x170 [ 2421.678611][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.678611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.678611][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.678611][ T73] netlink_unicast+0x449/0x710 [ 2421.678611][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.678611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.678611][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.678611][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.678611][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.678611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.678611][ T73] [ 2421.680219][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2421.680219][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2421.680219][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2421.680219][ T73] ipv6_find_idev+0x102/0x170 [ 2421.680219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.680219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.680219][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.680219][ T73] netlink_unicast+0x449/0x710 [ 2421.680219][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.680219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.680219][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.680219][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.680219][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.680219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.680219][ T73] [ 2421.682122][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2421.682399][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.682399][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2421.682399][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2421.682399][ T73] fib6_nh_init+0xa22/0x1580 [ 2421.682399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.682399][ T73] ip6_route_add+0x1c/0x140 [ 2421.682399][ T73] inet6_rtm_newroute+0x104/0x110 [ 2421.682399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.682399][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.682399][ T73] netlink_unicast+0x449/0x710 [ 2421.682399][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.682399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.682399][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.682399][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.682399][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.682399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.682399][ T73] [ 2421.684612][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.684612][ T73] dst_init+0x84/0x4a0 [ 2421.684612][ T73] dst_alloc+0x97/0x150 [ 2421.684612][ T73] ip6_dst_alloc+0x23/0x90 [ 2421.684612][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.684612][ T73] ip6_pol_route+0x56f/0x840 [ 2421.684612][ T73] fib6_rule_lookup+0x456/0x630 [ 2421.684612][ T73] ip6_route_input+0x59c/0xa50 [ 2421.684612][ T73] ipv6_rcv+0x397/0x810 [ 2421.684612][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2421.684612][ T73] process_backlog+0x101/0x620 [ 2421.684612][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2421.684612][ T73] net_rx_action+0x495/0xbe0 [ 2421.684612][ T73] __do_softirq+0x1b5/0x7f6 [ 2421.684612][ T73] [ 2421.686509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.686509][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.686509][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.686509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.686509][ T73] ip6_route_add+0x1c/0x140 [ 2421.686509][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2421.686509][ T73] inet6_addr_add+0x4f8/0xa40 [ 2421.686509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.686509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.686509][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.686509][ T73] netlink_unicast+0x449/0x710 [ 2421.686509][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.686509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.686509][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.686509][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.686509][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.686509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.686509][ T73] [ 2421.688867][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.688867][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.688867][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.688867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.688867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2421.688867][ T73] ipv6_add_addr+0x411/0x2000 [ 2421.688867][ T73] inet6_addr_add+0x30e/0xa40 [ 2421.688867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.688867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.688867][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.688867][ T73] netlink_unicast+0x449/0x710 [ 2421.688867][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.688867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.688867][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.688867][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.688867][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.688867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.688867][ T73] [ 2421.691171][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.691171][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.691171][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.691171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.691171][ T73] ip6_route_add+0x1c/0x140 [ 2421.691171][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.691171][ T73] addrconf_add_dev+0xe2/0x170 [ 2421.691171][ T73] inet6_addr_add+0x12f/0xa40 [ 2421.691171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.691171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.691171][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.691171][ T73] netlink_unicast+0x449/0x710 [ 2421.691171][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.691171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.691171][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.691171][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.691171][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.691171][ T73] [ 2421.693543][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.693543][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2421.693543][ T73] ipv6_find_idev+0x102/0x170 [ 2421.693543][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.693543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.693543][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.693543][ T73] netlink_unicast+0x449/0x710 [ 2421.693543][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.693543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.693543][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.693543][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.693543][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.693543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.693543][ T73] [ 2421.695348][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2421.695348][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2421.695348][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2421.695348][ T73] ipv6_find_idev+0x102/0x170 [ 2421.695348][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.695348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.695348][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.695348][ T73] netlink_unicast+0x449/0x710 [ 2421.695348][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.695348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.695348][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.695348][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.695348][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.695348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.695348][ T73] [ 2421.697378][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2421.697667][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2421.697667][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.697667][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.697667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.697667][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2421.697667][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2421.697667][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2421.697667][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2421.697667][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2421.697667][ T73] addrconf_dad_begin+0x310/0x670 [ 2421.697667][ T73] addrconf_dad_work+0x10b/0xab0 [ 2421.697667][ T73] process_one_work+0x84d/0x18a0 [ 2421.697667][ T73] worker_thread+0x587/0xd30 [ 2421.697667][ T73] kthread+0x28a/0x350 [ 2421.697667][ T73] ret_from_fork+0x31/0x70 [ 2421.697667][ T73] ret_from_fork_asm+0x1a/0x30 [ 2421.697667][ T73] [ 2421.699906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2421.699906][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.699906][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.699906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.699906][ T73] ip6_route_add+0x1c/0x140 [ 2421.699906][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2421.699906][ T73] inet6_addr_add+0x4f8/0xa40 [ 2421.699906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.699906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.699906][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.699906][ T73] netlink_unicast+0x449/0x710 [ 2421.699906][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.699906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.699906][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.699906][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.699906][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.699906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.699906][ T73] [ 2421.702223][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2421.702223][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.702223][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.702223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.702223][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2421.702223][ T73] ipv6_add_addr+0x411/0x2000 [ 2421.702223][ T73] inet6_addr_add+0x30e/0xa40 [ 2421.702223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.702223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.702223][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.702223][ T73] netlink_unicast+0x449/0x710 [ 2421.702223][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.702223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.702223][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.702223][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.702223][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.702223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.702223][ T73] [ 2421.704540][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2421.704540][ T73] netdev_get_by_index+0x5e/0x80 [ 2421.704540][ T73] fib6_nh_init+0x3d8/0x1580 [ 2421.704540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2421.704540][ T73] ip6_route_add+0x1c/0x140 [ 2421.704540][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.704540][ T73] addrconf_add_dev+0xe2/0x170 [ 2421.704540][ T73] inet6_addr_add+0x12f/0xa40 [ 2421.704540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.704540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.704540][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.704540][ T73] netlink_unicast+0x449/0x710 [ 2421.704540][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.704540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.704540][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.704540][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.704540][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.704540][ T73] [ 2421.706875][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2421.706875][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2421.706875][ T73] ipv6_find_idev+0x102/0x170 [ 2421.706875][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.706875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.706875][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.706875][ T73] netlink_unicast+0x449/0x710 [ 2421.706875][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.706875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.706875][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.706875][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.706875][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.706875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.706875][ T73] [ 2421.708666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2421.708666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2421.708666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2421.708666][ T73] ipv6_find_idev+0x102/0x170 [ 2421.708666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.708666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.708666][ T73] netlink_rcv_skb+0x130/0x360 [ 2421.708666][ T73] netlink_unicast+0x449/0x710 [ 2421.708666][ T73] netlink_sendmsg+0x723/0xbe0 [ 2421.708666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2421.708666][ T73] ___sys_sendmsg+0xee/0x170 [ 2421.708666][ T73] __sys_sendmsg+0xcd/0x170 [ 2421.708666][ T73] do_syscall_64+0xc6/0x1e0 [ 2421.708666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.708666][ T73] [ 2431.950954][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2431.951400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.951400][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2431.951400][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2431.951400][ T73] fib6_nh_init+0xa22/0x1580 [ 2431.951400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.951400][ T73] ip6_route_add+0x1c/0x140 [ 2431.951400][ T73] inet6_rtm_newroute+0x104/0x110 [ 2431.951400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.951400][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.951400][ T73] netlink_unicast+0x449/0x710 [ 2431.951400][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.951400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.951400][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.951400][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.951400][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.951400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.951400][ T73] [ 2431.953372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.953372][ T73] dst_init+0x84/0x4a0 [ 2431.953372][ T73] dst_alloc+0x97/0x150 [ 2431.953372][ T73] ip6_dst_alloc+0x23/0x90 [ 2431.953372][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.953372][ T73] ip6_pol_route+0x56f/0x840 [ 2431.953372][ T73] fib6_rule_lookup+0x456/0x630 [ 2431.953372][ T73] ip6_route_input+0x59c/0xa50 [ 2431.953372][ T73] ipv6_rcv+0x397/0x810 [ 2431.953372][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2431.953372][ T73] process_backlog+0x101/0x620 [ 2431.953372][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2431.953372][ T73] net_rx_action+0x495/0xbe0 [ 2431.953372][ T73] __do_softirq+0x1b5/0x7f6 [ 2431.953372][ T73] [ 2431.955092][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.955092][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.955092][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.955092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.955092][ T73] ip6_route_add+0x1c/0x140 [ 2431.955092][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2431.955092][ T73] inet6_addr_add+0x4f8/0xa40 [ 2431.955092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.955092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.955092][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.955092][ T73] netlink_unicast+0x449/0x710 [ 2431.955092][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.955092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.955092][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.955092][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.955092][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.955092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.955092][ T73] [ 2431.957177][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.957177][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.957177][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.957177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.957177][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2431.957177][ T73] ipv6_add_addr+0x411/0x2000 [ 2431.957177][ T73] inet6_addr_add+0x30e/0xa40 [ 2431.957177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.957177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.957177][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.957177][ T73] netlink_unicast+0x449/0x710 [ 2431.957177][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.957177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.957177][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.957177][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.957177][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.957177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.957177][ T73] [ 2431.959261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.959261][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.959261][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.959261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.959261][ T73] ip6_route_add+0x1c/0x140 [ 2431.959261][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.959261][ T73] addrconf_add_dev+0xe2/0x170 [ 2431.959261][ T73] inet6_addr_add+0x12f/0xa40 [ 2431.959261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.959261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.959261][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.959261][ T73] netlink_unicast+0x449/0x710 [ 2431.959261][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.959261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.959261][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.959261][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.959261][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.959261][ T73] [ 2431.961368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.961368][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2431.961368][ T73] ipv6_find_idev+0x102/0x170 [ 2431.961368][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.961368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.961368][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.961368][ T73] netlink_unicast+0x449/0x710 [ 2431.961368][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.961368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.961368][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.961368][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.961368][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.961368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.961368][ T73] [ 2431.962900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2431.962900][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2431.962900][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2431.962900][ T73] ipv6_find_idev+0x102/0x170 [ 2431.962900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.962900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.962900][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.962900][ T73] netlink_unicast+0x449/0x710 [ 2431.962900][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.962900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.962900][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.962900][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.962900][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.962900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.962900][ T73] [ 2431.964579][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2431.964867][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.964867][ T73] dst_init+0x84/0x4a0 [ 2431.964867][ T73] dst_alloc+0x97/0x150 [ 2431.964867][ T73] ip6_dst_alloc+0x23/0x90 [ 2431.964867][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.964867][ T73] ip6_pol_route+0x56f/0x840 [ 2431.964867][ T73] fib6_rule_lookup+0x456/0x630 [ 2431.964867][ T73] ip6_route_input+0x59c/0xa50 [ 2431.964867][ T73] ipv6_rcv+0x397/0x810 [ 2431.964867][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2431.964867][ T73] process_backlog+0x101/0x620 [ 2431.964867][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2431.964867][ T73] net_rx_action+0x495/0xbe0 [ 2431.964867][ T73] __do_softirq+0x1b5/0x7f6 [ 2431.964867][ T73] [ 2431.966501][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.966501][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.966501][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.966501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.966501][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2431.966501][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2431.966501][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2431.966501][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2431.966501][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2431.966501][ T73] addrconf_dad_begin+0x310/0x670 [ 2431.966501][ T73] addrconf_dad_work+0x10b/0xab0 [ 2431.966501][ T73] process_one_work+0x84d/0x18a0 [ 2431.966501][ T73] worker_thread+0x587/0xd30 [ 2431.966501][ T73] kthread+0x28a/0x350 [ 2431.966501][ T73] ret_from_fork+0x31/0x70 [ 2431.966501][ T73] ret_from_fork_asm+0x1a/0x30 [ 2431.966501][ T73] [ 2431.968393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.968393][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.968393][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.968393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.968393][ T73] ip6_route_add+0x1c/0x140 [ 2431.968393][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2431.968393][ T73] inet6_addr_add+0x4f8/0xa40 [ 2431.968393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.968393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.968393][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.968393][ T73] netlink_unicast+0x449/0x710 [ 2431.968393][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.968393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.968393][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.968393][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.968393][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.968393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.968393][ T73] [ 2431.970387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.970387][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.970387][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.970387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.970387][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2431.970387][ T73] ipv6_add_addr+0x411/0x2000 [ 2431.970387][ T73] inet6_addr_add+0x30e/0xa40 [ 2431.970387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.970387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.970387][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.970387][ T73] netlink_unicast+0x449/0x710 [ 2431.970387][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.970387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.970387][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.970387][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.970387][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.970387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.970387][ T73] [ 2431.972368][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.972368][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.972368][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.972368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.972368][ T73] ip6_route_add+0x1c/0x140 [ 2431.972368][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.972368][ T73] addrconf_add_dev+0xe2/0x170 [ 2431.972368][ T73] inet6_addr_add+0x12f/0xa40 [ 2431.972368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.972368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.972368][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.972368][ T73] netlink_unicast+0x449/0x710 [ 2431.972368][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.972368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.972368][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.972368][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.972368][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.972368][ T73] [ 2431.974329][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.974329][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2431.974329][ T73] ipv6_find_idev+0x102/0x170 [ 2431.974329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.974329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.974329][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.974329][ T73] netlink_unicast+0x449/0x710 [ 2431.974329][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.974329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.974329][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.974329][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.974329][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.974329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.974329][ T73] [ 2431.975854][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2431.975854][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2431.975854][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2431.975854][ T73] ipv6_find_idev+0x102/0x170 [ 2431.975854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.975854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.975854][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.975854][ T73] netlink_unicast+0x449/0x710 [ 2431.975854][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.975854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.975854][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.975854][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.975854][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.975854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.975854][ T73] [ 2431.977653][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2431.977928][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.977928][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2431.977928][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2431.977928][ T73] fib6_nh_init+0xa22/0x1580 [ 2431.977928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.977928][ T73] ip6_route_add+0x1c/0x140 [ 2431.977928][ T73] inet6_rtm_newroute+0x104/0x110 [ 2431.977928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.977928][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.977928][ T73] netlink_unicast+0x449/0x710 [ 2431.977928][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.977928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.977928][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.977928][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.977928][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.977928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.977928][ T73] [ 2431.980110][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.980110][ T73] dst_init+0x84/0x4a0 [ 2431.980110][ T73] dst_alloc+0x97/0x150 [ 2431.980110][ T73] ip6_dst_alloc+0x23/0x90 [ 2431.980110][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.980110][ T73] ip6_pol_route+0x56f/0x840 [ 2431.980110][ T73] fib6_rule_lookup+0x456/0x630 [ 2431.980110][ T73] ip6_route_input+0x59c/0xa50 [ 2431.980110][ T73] ipv6_rcv+0x397/0x810 [ 2431.980110][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2431.980110][ T73] process_backlog+0x101/0x620 [ 2431.980110][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2431.980110][ T73] net_rx_action+0x495/0xbe0 [ 2431.980110][ T73] __do_softirq+0x1b5/0x7f6 [ 2431.980110][ T73] [ 2431.981912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.981912][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.981912][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.981912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.981912][ T73] ip6_route_add+0x1c/0x140 [ 2431.981912][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2431.981912][ T73] inet6_addr_add+0x4f8/0xa40 [ 2431.981912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.981912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.981912][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.981912][ T73] netlink_unicast+0x449/0x710 [ 2431.981912][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.981912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.981912][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.981912][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.981912][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.981912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.981912][ T73] [ 2431.984137][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.984137][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.984137][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.984137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.984137][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2431.984137][ T73] ipv6_add_addr+0x411/0x2000 [ 2431.984137][ T73] inet6_addr_add+0x30e/0xa40 [ 2431.984137][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.984137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.984137][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.984137][ T73] netlink_unicast+0x449/0x710 [ 2431.984137][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.984137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.984137][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.984137][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.984137][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.984137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.984137][ T73] [ 2431.986499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.986499][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.986499][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.986499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.986499][ T73] ip6_route_add+0x1c/0x140 [ 2431.986499][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.986499][ T73] addrconf_add_dev+0xe2/0x170 [ 2431.986499][ T73] inet6_addr_add+0x12f/0xa40 [ 2431.986499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.986499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.986499][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.986499][ T73] netlink_unicast+0x449/0x710 [ 2431.986499][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.986499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.986499][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.986499][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.986499][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.986499][ T73] [ 2431.989199][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.989199][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2431.989199][ T73] ipv6_find_idev+0x102/0x170 [ 2431.989199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.989199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.989199][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.989199][ T73] netlink_unicast+0x449/0x710 [ 2431.989199][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.989199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.989199][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.989199][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.989199][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.989199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.989199][ T73] [ 2431.991162][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2431.991162][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2431.991162][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2431.991162][ T73] ipv6_find_idev+0x102/0x170 [ 2431.991162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.991162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.991162][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.991162][ T73] netlink_unicast+0x449/0x710 [ 2431.991162][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.991162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.991162][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.991162][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.991162][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.991162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.991162][ T73] [ 2431.993571][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2431.994323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2431.994323][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.994323][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.994323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.994323][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2431.994323][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2431.994323][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2431.994323][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2431.994323][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2431.994323][ T73] addrconf_dad_begin+0x310/0x670 [ 2431.994323][ T73] addrconf_dad_work+0x10b/0xab0 [ 2431.994323][ T73] process_one_work+0x84d/0x18a0 [ 2431.994323][ T73] worker_thread+0x587/0xd30 [ 2431.994323][ T73] kthread+0x28a/0x350 [ 2431.994323][ T73] ret_from_fork+0x31/0x70 [ 2431.994323][ T73] ret_from_fork_asm+0x1a/0x30 [ 2431.994323][ T73] [ 2431.996262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2431.996262][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.996262][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.996262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.996262][ T73] ip6_route_add+0x1c/0x140 [ 2431.996262][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2431.996262][ T73] inet6_addr_add+0x4f8/0xa40 [ 2431.996262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.996262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.996262][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.996262][ T73] netlink_unicast+0x449/0x710 [ 2431.996262][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.996262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.996262][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.996262][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.996262][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.996262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.996262][ T73] [ 2431.998368][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2431.998368][ T73] netdev_get_by_index+0x5e/0x80 [ 2431.998368][ T73] fib6_nh_init+0x3d8/0x1580 [ 2431.998368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2431.998368][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2431.998368][ T73] ipv6_add_addr+0x411/0x2000 [ 2431.998368][ T73] inet6_addr_add+0x30e/0xa40 [ 2431.998368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.998368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.998368][ T73] netlink_rcv_skb+0x130/0x360 [ 2431.998368][ T73] netlink_unicast+0x449/0x710 [ 2431.998368][ T73] netlink_sendmsg+0x723/0xbe0 [ 2431.998368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2431.998368][ T73] ___sys_sendmsg+0xee/0x170 [ 2431.998368][ T73] __sys_sendmsg+0xcd/0x170 [ 2431.998368][ T73] do_syscall_64+0xc6/0x1e0 [ 2431.998368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.998368][ T73] [ 2432.000605][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2432.000605][ T73] netdev_get_by_index+0x5e/0x80 [ 2432.000605][ T73] fib6_nh_init+0x3d8/0x1580 [ 2432.000605][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2432.000605][ T73] ip6_route_add+0x1c/0x140 [ 2432.000605][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2432.000605][ T73] addrconf_add_dev+0xe2/0x170 [ 2432.000605][ T73] inet6_addr_add+0x12f/0xa40 [ 2432.000605][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.000605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.000605][ T73] netlink_rcv_skb+0x130/0x360 [ 2432.000605][ T73] netlink_unicast+0x449/0x710 [ 2432.000605][ T73] netlink_sendmsg+0x723/0xbe0 [ 2432.000605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2432.000605][ T73] ___sys_sendmsg+0xee/0x170 [ 2432.000605][ T73] __sys_sendmsg+0xcd/0x170 [ 2432.000605][ T73] do_syscall_64+0xc6/0x1e0 [ 2432.000605][ T73] [ 2432.002808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2432.002808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2432.002808][ T73] ipv6_find_idev+0x102/0x170 [ 2432.002808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.002808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.002808][ T73] netlink_rcv_skb+0x130/0x360 [ 2432.002808][ T73] netlink_unicast+0x449/0x710 [ 2432.002808][ T73] netlink_sendmsg+0x723/0xbe0 [ 2432.002808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2432.002808][ T73] ___sys_sendmsg+0xee/0x170 [ 2432.002808][ T73] __sys_sendmsg+0xcd/0x170 [ 2432.002808][ T73] do_syscall_64+0xc6/0x1e0 [ 2432.002808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.002808][ T73] [ 2432.004514][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2432.004514][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2432.004514][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2432.004514][ T73] ipv6_find_idev+0x102/0x170 [ 2432.004514][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.004514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.004514][ T73] netlink_rcv_skb+0x130/0x360 [ 2432.004514][ T73] netlink_unicast+0x449/0x710 [ 2432.004514][ T73] netlink_sendmsg+0x723/0xbe0 [ 2432.004514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2432.004514][ T73] ___sys_sendmsg+0xee/0x170 [ 2432.004514][ T73] __sys_sendmsg+0xcd/0x170 [ 2432.004514][ T73] do_syscall_64+0xc6/0x1e0 [ 2432.004514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.004514][ T73] [ 2442.246954][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2442.247588][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.247588][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2442.247588][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2442.247588][ T73] fib6_nh_init+0xa22/0x1580 [ 2442.247588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.247588][ T73] ip6_route_add+0x1c/0x140 [ 2442.247588][ T73] inet6_rtm_newroute+0x104/0x110 [ 2442.247588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.247588][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.247588][ T73] netlink_unicast+0x449/0x710 [ 2442.247588][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.247588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.247588][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.247588][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.247588][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.247588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.247588][ T73] [ 2442.250764][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.250764][ T73] dst_init+0x84/0x4a0 [ 2442.250764][ T73] dst_alloc+0x97/0x150 [ 2442.250764][ T73] ip6_dst_alloc+0x23/0x90 [ 2442.250764][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.250764][ T73] ip6_pol_route+0x56f/0x840 [ 2442.250764][ T73] fib6_rule_lookup+0x456/0x630 [ 2442.250764][ T73] ip6_route_input+0x59c/0xa50 [ 2442.250764][ T73] ipv6_rcv+0x397/0x810 [ 2442.250764][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2442.250764][ T73] process_backlog+0x101/0x620 [ 2442.250764][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2442.250764][ T73] net_rx_action+0x495/0xbe0 [ 2442.250764][ T73] __do_softirq+0x1b5/0x7f6 [ 2442.250764][ T73] [ 2442.253833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.253833][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.253833][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.253833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.253833][ T73] ip6_route_add+0x1c/0x140 [ 2442.253833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2442.253833][ T73] inet6_addr_add+0x4f8/0xa40 [ 2442.253833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.253833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.253833][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.253833][ T73] netlink_unicast+0x449/0x710 [ 2442.253833][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.253833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.253833][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.253833][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.253833][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.253833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.253833][ T73] [ 2442.257442][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.257442][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.257442][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.257442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.257442][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2442.257442][ T73] ipv6_add_addr+0x411/0x2000 [ 2442.257442][ T73] inet6_addr_add+0x30e/0xa40 [ 2442.257442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.257442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.257442][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.257442][ T73] netlink_unicast+0x449/0x710 [ 2442.257442][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.257442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.257442][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.257442][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.257442][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.257442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.257442][ T73] [ 2442.260918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.260918][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.260918][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.260918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.260918][ T73] ip6_route_add+0x1c/0x140 [ 2442.260918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.260918][ T73] addrconf_add_dev+0xe2/0x170 [ 2442.260918][ T73] inet6_addr_add+0x12f/0xa40 [ 2442.260918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.260918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.260918][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.260918][ T73] netlink_unicast+0x449/0x710 [ 2442.260918][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.260918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.260918][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.260918][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.260918][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.260918][ T73] [ 2442.264039][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.264039][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2442.264039][ T73] ipv6_find_idev+0x102/0x170 [ 2442.264039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.264039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.264039][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.264039][ T73] netlink_unicast+0x449/0x710 [ 2442.264039][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.264039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.264039][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.264039][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.264039][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.264039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.264039][ T73] [ 2442.265903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2442.265903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2442.265903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2442.265903][ T73] ipv6_find_idev+0x102/0x170 [ 2442.265903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.265903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.265903][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.265903][ T73] netlink_unicast+0x449/0x710 [ 2442.265903][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.265903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.265903][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.265903][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.265903][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.265903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.265903][ T73] [ 2442.267727][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2442.268018][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.268018][ T73] dst_init+0x84/0x4a0 [ 2442.268018][ T73] dst_alloc+0x97/0x150 [ 2442.268018][ T73] ip6_dst_alloc+0x23/0x90 [ 2442.268018][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.268018][ T73] ip6_pol_route+0x56f/0x840 [ 2442.268018][ T73] fib6_rule_lookup+0x456/0x630 [ 2442.268018][ T73] ip6_route_input+0x59c/0xa50 [ 2442.268018][ T73] ipv6_rcv+0x397/0x810 [ 2442.268018][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2442.268018][ T73] process_backlog+0x101/0x620 [ 2442.268018][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2442.268018][ T73] net_rx_action+0x495/0xbe0 [ 2442.268018][ T73] __do_softirq+0x1b5/0x7f6 [ 2442.268018][ T73] [ 2442.269683][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.269683][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.269683][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.269683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.269683][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2442.269683][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2442.269683][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2442.269683][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2442.269683][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2442.269683][ T73] addrconf_dad_begin+0x310/0x670 [ 2442.269683][ T73] addrconf_dad_work+0x10b/0xab0 [ 2442.269683][ T73] process_one_work+0x84d/0x18a0 [ 2442.269683][ T73] worker_thread+0x587/0xd30 [ 2442.269683][ T73] kthread+0x28a/0x350 [ 2442.269683][ T73] ret_from_fork+0x31/0x70 [ 2442.269683][ T73] ret_from_fork_asm+0x1a/0x30 [ 2442.269683][ T73] [ 2442.271599][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.271599][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.271599][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.271599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.271599][ T73] ip6_route_add+0x1c/0x140 [ 2442.271599][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2442.271599][ T73] inet6_addr_add+0x4f8/0xa40 [ 2442.271599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.271599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.271599][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.271599][ T73] netlink_unicast+0x449/0x710 [ 2442.271599][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.271599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.271599][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.271599][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.271599][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.271599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.271599][ T73] [ 2442.273600][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.273600][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.273600][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.273600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.273600][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2442.273600][ T73] ipv6_add_addr+0x411/0x2000 [ 2442.273600][ T73] inet6_addr_add+0x30e/0xa40 [ 2442.273600][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.273600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.273600][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.273600][ T73] netlink_unicast+0x449/0x710 [ 2442.273600][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.273600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.273600][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.273600][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.273600][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.273600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.273600][ T73] [ 2442.275825][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.275825][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.275825][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.275825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.275825][ T73] ip6_route_add+0x1c/0x140 [ 2442.275825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.275825][ T73] addrconf_add_dev+0xe2/0x170 [ 2442.275825][ T73] inet6_addr_add+0x12f/0xa40 [ 2442.275825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.275825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.275825][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.275825][ T73] netlink_unicast+0x449/0x710 [ 2442.275825][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.275825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.275825][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.275825][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.275825][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.275825][ T73] [ 2442.277839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.277839][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2442.277839][ T73] ipv6_find_idev+0x102/0x170 [ 2442.277839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.277839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.277839][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.277839][ T73] netlink_unicast+0x449/0x710 [ 2442.277839][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.277839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.277839][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.277839][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.277839][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.277839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.277839][ T73] [ 2442.279400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2442.279400][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2442.279400][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2442.279400][ T73] ipv6_find_idev+0x102/0x170 [ 2442.279400][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.279400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.279400][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.279400][ T73] netlink_unicast+0x449/0x710 [ 2442.279400][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.279400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.279400][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.279400][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.279400][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.279400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.279400][ T73] [ 2442.281226][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2442.281509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.281509][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2442.281509][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2442.281509][ T73] fib6_nh_init+0xa22/0x1580 [ 2442.281509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.281509][ T73] ip6_route_add+0x1c/0x140 [ 2442.281509][ T73] inet6_rtm_newroute+0x104/0x110 [ 2442.281509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.281509][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.281509][ T73] netlink_unicast+0x449/0x710 [ 2442.281509][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.281509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.281509][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.281509][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.281509][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.281509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.281509][ T73] [ 2442.283660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.283660][ T73] dst_init+0x84/0x4a0 [ 2442.283660][ T73] dst_alloc+0x97/0x150 [ 2442.283660][ T73] ip6_dst_alloc+0x23/0x90 [ 2442.283660][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.283660][ T73] ip6_pol_route+0x56f/0x840 [ 2442.283660][ T73] fib6_rule_lookup+0x456/0x630 [ 2442.283660][ T73] ip6_route_input+0x59c/0xa50 [ 2442.283660][ T73] ipv6_rcv+0x397/0x810 [ 2442.283660][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2442.283660][ T73] process_backlog+0x101/0x620 [ 2442.283660][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2442.283660][ T73] net_rx_action+0x495/0xbe0 [ 2442.283660][ T73] __do_softirq+0x1b5/0x7f6 [ 2442.283660][ T73] [ 2442.285475][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.285475][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.285475][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.285475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.285475][ T73] ip6_route_add+0x1c/0x140 [ 2442.285475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2442.285475][ T73] inet6_addr_add+0x4f8/0xa40 [ 2442.285475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.285475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.285475][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.285475][ T73] netlink_unicast+0x449/0x710 [ 2442.285475][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.285475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.285475][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.285475][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.285475][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.285475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.285475][ T73] [ 2442.287726][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.287726][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.287726][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.287726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.287726][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2442.287726][ T73] ipv6_add_addr+0x411/0x2000 [ 2442.287726][ T73] inet6_addr_add+0x30e/0xa40 [ 2442.287726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.287726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.287726][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.287726][ T73] netlink_unicast+0x449/0x710 [ 2442.287726][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.287726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.287726][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.287726][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.287726][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.287726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.287726][ T73] [ 2442.289925][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.289925][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.289925][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.289925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.289925][ T73] ip6_route_add+0x1c/0x140 [ 2442.289925][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.289925][ T73] addrconf_add_dev+0xe2/0x170 [ 2442.289925][ T73] inet6_addr_add+0x12f/0xa40 [ 2442.289925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.289925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.289925][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.289925][ T73] netlink_unicast+0x449/0x710 [ 2442.289925][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.289925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.289925][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.289925][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.289925][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.289925][ T73] [ 2442.292139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.292139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2442.292139][ T73] ipv6_find_idev+0x102/0x170 [ 2442.292139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.292139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.292139][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.292139][ T73] netlink_unicast+0x449/0x710 [ 2442.292139][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.292139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.292139][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.292139][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.292139][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.292139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.292139][ T73] [ 2442.293863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2442.293863][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2442.293863][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2442.293863][ T73] ipv6_find_idev+0x102/0x170 [ 2442.293863][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.293863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.293863][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.293863][ T73] netlink_unicast+0x449/0x710 [ 2442.293863][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.293863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.293863][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.293863][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.293863][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.293863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.293863][ T73] [ 2442.295810][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2442.296092][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2442.296092][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.296092][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.296092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.296092][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2442.296092][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2442.296092][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2442.296092][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2442.296092][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2442.296092][ T73] addrconf_dad_begin+0x310/0x670 [ 2442.296092][ T73] addrconf_dad_work+0x10b/0xab0 [ 2442.296092][ T73] process_one_work+0x84d/0x18a0 [ 2442.296092][ T73] worker_thread+0x587/0xd30 [ 2442.296092][ T73] kthread+0x28a/0x350 [ 2442.296092][ T73] ret_from_fork+0x31/0x70 [ 2442.296092][ T73] ret_from_fork_asm+0x1a/0x30 [ 2442.296092][ T73] [ 2442.298388][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2442.298388][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.298388][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.298388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.298388][ T73] ip6_route_add+0x1c/0x140 [ 2442.298388][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2442.298388][ T73] inet6_addr_add+0x4f8/0xa40 [ 2442.298388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.298388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.298388][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.298388][ T73] netlink_unicast+0x449/0x710 [ 2442.298388][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.298388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.298388][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.298388][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.298388][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.298388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.298388][ T73] [ 2442.300573][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2442.300573][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.300573][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.300573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.300573][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2442.300573][ T73] ipv6_add_addr+0x411/0x2000 [ 2442.300573][ T73] inet6_addr_add+0x30e/0xa40 [ 2442.300573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.300573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.300573][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.300573][ T73] netlink_unicast+0x449/0x710 [ 2442.300573][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.300573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.300573][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.300573][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.300573][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.300573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.300573][ T73] [ 2442.302820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2442.302820][ T73] netdev_get_by_index+0x5e/0x80 [ 2442.302820][ T73] fib6_nh_init+0x3d8/0x1580 [ 2442.302820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2442.302820][ T73] ip6_route_add+0x1c/0x140 [ 2442.302820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.302820][ T73] addrconf_add_dev+0xe2/0x170 [ 2442.302820][ T73] inet6_addr_add+0x12f/0xa40 [ 2442.302820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.302820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.302820][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.302820][ T73] netlink_unicast+0x449/0x710 [ 2442.302820][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.302820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.302820][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.302820][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.302820][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.302820][ T73] [ 2442.305029][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2442.305029][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2442.305029][ T73] ipv6_find_idev+0x102/0x170 [ 2442.305029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.305029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.305029][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.305029][ T73] netlink_unicast+0x449/0x710 [ 2442.305029][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.305029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.305029][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.305029][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.305029][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.305029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.305029][ T73] [ 2442.306764][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2442.306764][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2442.306764][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2442.306764][ T73] ipv6_find_idev+0x102/0x170 [ 2442.306764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.306764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.306764][ T73] netlink_rcv_skb+0x130/0x360 [ 2442.306764][ T73] netlink_unicast+0x449/0x710 [ 2442.306764][ T73] netlink_sendmsg+0x723/0xbe0 [ 2442.306764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2442.306764][ T73] ___sys_sendmsg+0xee/0x170 [ 2442.306764][ T73] __sys_sendmsg+0xcd/0x170 [ 2442.306764][ T73] do_syscall_64+0xc6/0x1e0 [ 2442.306764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.306764][ T73] [ 2452.422852][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2452.423268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.423268][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2452.423268][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2452.423268][ T73] fib6_nh_init+0xa22/0x1580 [ 2452.423268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.423268][ T73] ip6_route_add+0x1c/0x140 [ 2452.423268][ T73] inet6_rtm_newroute+0x104/0x110 [ 2452.423268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.423268][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.423268][ T73] netlink_unicast+0x449/0x710 [ 2452.423268][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.423268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.423268][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.423268][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.423268][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.423268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.423268][ T73] [ 2452.425222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.425222][ T73] dst_init+0x84/0x4a0 [ 2452.425222][ T73] dst_alloc+0x97/0x150 [ 2452.425222][ T73] ip6_dst_alloc+0x23/0x90 [ 2452.425222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.425222][ T73] ip6_pol_route+0x56f/0x840 [ 2452.425222][ T73] fib6_rule_lookup+0x456/0x630 [ 2452.425222][ T73] ip6_route_input+0x59c/0xa50 [ 2452.425222][ T73] ipv6_rcv+0x397/0x810 [ 2452.425222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2452.425222][ T73] process_backlog+0x101/0x620 [ 2452.425222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2452.425222][ T73] net_rx_action+0x495/0xbe0 [ 2452.425222][ T73] __do_softirq+0x1b5/0x7f6 [ 2452.425222][ T73] [ 2452.426873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.426873][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.426873][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.426873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.426873][ T73] ip6_route_add+0x1c/0x140 [ 2452.426873][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2452.426873][ T73] inet6_addr_add+0x4f8/0xa40 [ 2452.426873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.426873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.426873][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.426873][ T73] netlink_unicast+0x449/0x710 [ 2452.426873][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.426873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.426873][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.426873][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.426873][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.426873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.426873][ T73] [ 2452.428893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.428893][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.428893][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.428893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.428893][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2452.428893][ T73] ipv6_add_addr+0x411/0x2000 [ 2452.428893][ T73] inet6_addr_add+0x30e/0xa40 [ 2452.428893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.428893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.428893][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.428893][ T73] netlink_unicast+0x449/0x710 [ 2452.428893][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.428893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.428893][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.428893][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.428893][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.428893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.428893][ T73] [ 2452.430918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.430918][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.430918][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.430918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.430918][ T73] ip6_route_add+0x1c/0x140 [ 2452.430918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.430918][ T73] addrconf_add_dev+0xe2/0x170 [ 2452.430918][ T73] inet6_addr_add+0x12f/0xa40 [ 2452.430918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.430918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.430918][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.430918][ T73] netlink_unicast+0x449/0x710 [ 2452.430918][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.430918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.430918][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.430918][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.430918][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.430918][ T73] [ 2452.433005][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.433005][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2452.433005][ T73] ipv6_find_idev+0x102/0x170 [ 2452.433005][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.433005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.433005][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.433005][ T73] netlink_unicast+0x449/0x710 [ 2452.433005][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.433005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.433005][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.433005][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.433005][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.433005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.433005][ T73] [ 2452.434643][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2452.434643][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2452.434643][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2452.434643][ T73] ipv6_find_idev+0x102/0x170 [ 2452.434643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.434643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.434643][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.434643][ T73] netlink_unicast+0x449/0x710 [ 2452.434643][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.434643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.434643][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.434643][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.434643][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.434643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.434643][ T73] [ 2452.436437][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2452.436727][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.436727][ T73] dst_init+0x84/0x4a0 [ 2452.436727][ T73] dst_alloc+0x97/0x150 [ 2452.436727][ T73] ip6_dst_alloc+0x23/0x90 [ 2452.436727][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.436727][ T73] ip6_pol_route+0x56f/0x840 [ 2452.436727][ T73] fib6_rule_lookup+0x456/0x630 [ 2452.436727][ T73] ip6_route_input+0x59c/0xa50 [ 2452.436727][ T73] ipv6_rcv+0x397/0x810 [ 2452.436727][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2452.436727][ T73] process_backlog+0x101/0x620 [ 2452.436727][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2452.436727][ T73] net_rx_action+0x495/0xbe0 [ 2452.436727][ T73] __do_softirq+0x1b5/0x7f6 [ 2452.436727][ T73] [ 2452.438534][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.438534][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.438534][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.438534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.438534][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2452.438534][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2452.438534][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2452.438534][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2452.438534][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2452.438534][ T73] addrconf_dad_begin+0x310/0x670 [ 2452.438534][ T73] addrconf_dad_work+0x10b/0xab0 [ 2452.438534][ T73] process_one_work+0x84d/0x18a0 [ 2452.438534][ T73] worker_thread+0x587/0xd30 [ 2452.438534][ T73] kthread+0x28a/0x350 [ 2452.438534][ T73] ret_from_fork+0x31/0x70 [ 2452.438534][ T73] ret_from_fork_asm+0x1a/0x30 [ 2452.438534][ T73] [ 2452.440445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.440445][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.440445][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.440445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.440445][ T73] ip6_route_add+0x1c/0x140 [ 2452.440445][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2452.440445][ T73] inet6_addr_add+0x4f8/0xa40 [ 2452.440445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.440445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.440445][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.440445][ T73] netlink_unicast+0x449/0x710 [ 2452.440445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.440445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.440445][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.440445][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.440445][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.440445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.440445][ T73] [ 2452.442462][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.442462][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.442462][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.442462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.442462][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2452.442462][ T73] ipv6_add_addr+0x411/0x2000 [ 2452.442462][ T73] inet6_addr_add+0x30e/0xa40 [ 2452.442462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.442462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.442462][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.442462][ T73] netlink_unicast+0x449/0x710 [ 2452.442462][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.442462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.442462][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.442462][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.442462][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.442462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.442462][ T73] [ 2452.444446][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.444446][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.444446][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.444446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.444446][ T73] ip6_route_add+0x1c/0x140 [ 2452.444446][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.444446][ T73] addrconf_add_dev+0xe2/0x170 [ 2452.444446][ T73] inet6_addr_add+0x12f/0xa40 [ 2452.444446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.444446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.444446][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.444446][ T73] netlink_unicast+0x449/0x710 [ 2452.444446][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.444446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.444446][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.444446][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.444446][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.444446][ T73] [ 2452.446393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.446393][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2452.446393][ T73] ipv6_find_idev+0x102/0x170 [ 2452.446393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.446393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.446393][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.446393][ T73] netlink_unicast+0x449/0x710 [ 2452.446393][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.446393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.446393][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.446393][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.446393][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.446393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.446393][ T73] [ 2452.447918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2452.447918][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2452.447918][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2452.447918][ T73] ipv6_find_idev+0x102/0x170 [ 2452.447918][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.447918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.447918][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.447918][ T73] netlink_unicast+0x449/0x710 [ 2452.447918][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.447918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.447918][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.447918][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.447918][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.447918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.447918][ T73] [ 2452.449721][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2452.450067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.450067][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2452.450067][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2452.450067][ T73] fib6_nh_init+0xa22/0x1580 [ 2452.450067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.450067][ T73] ip6_route_add+0x1c/0x140 [ 2452.450067][ T73] inet6_rtm_newroute+0x104/0x110 [ 2452.450067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.450067][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.450067][ T73] netlink_unicast+0x449/0x710 [ 2452.450067][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.450067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.450067][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.450067][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.450067][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.450067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.450067][ T73] [ 2452.452188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.452188][ T73] dst_init+0x84/0x4a0 [ 2452.452188][ T73] dst_alloc+0x97/0x150 [ 2452.452188][ T73] ip6_dst_alloc+0x23/0x90 [ 2452.452188][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.452188][ T73] ip6_pol_route+0x56f/0x840 [ 2452.452188][ T73] fib6_rule_lookup+0x456/0x630 [ 2452.452188][ T73] ip6_route_input+0x59c/0xa50 [ 2452.452188][ T73] ipv6_rcv+0x397/0x810 [ 2452.452188][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2452.452188][ T73] process_backlog+0x101/0x620 [ 2452.452188][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2452.452188][ T73] net_rx_action+0x495/0xbe0 [ 2452.452188][ T73] __do_softirq+0x1b5/0x7f6 [ 2452.452188][ T73] [ 2452.453995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.453995][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.453995][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.453995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.453995][ T73] ip6_route_add+0x1c/0x140 [ 2452.453995][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2452.453995][ T73] inet6_addr_add+0x4f8/0xa40 [ 2452.453995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.453995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.453995][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.453995][ T73] netlink_unicast+0x449/0x710 [ 2452.453995][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.453995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.453995][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.453995][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.453995][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.453995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.453995][ T73] [ 2452.456230][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.456230][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.456230][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.456230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.456230][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2452.456230][ T73] ipv6_add_addr+0x411/0x2000 [ 2452.456230][ T73] inet6_addr_add+0x30e/0xa40 [ 2452.456230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.456230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.456230][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.456230][ T73] netlink_unicast+0x449/0x710 [ 2452.456230][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.456230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.456230][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.456230][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.456230][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.456230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.456230][ T73] [ 2452.458416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.458416][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.458416][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.458416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.458416][ T73] ip6_route_add+0x1c/0x140 [ 2452.458416][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.458416][ T73] addrconf_add_dev+0xe2/0x170 [ 2452.458416][ T73] inet6_addr_add+0x12f/0xa40 [ 2452.458416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.458416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.458416][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.458416][ T73] netlink_unicast+0x449/0x710 [ 2452.458416][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.458416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.458416][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.458416][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.458416][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.458416][ T73] [ 2452.460675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.460675][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2452.460675][ T73] ipv6_find_idev+0x102/0x170 [ 2452.460675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.460675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.460675][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.460675][ T73] netlink_unicast+0x449/0x710 [ 2452.460675][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.460675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.460675][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.460675][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.460675][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.460675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.460675][ T73] [ 2452.462377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2452.462377][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2452.462377][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2452.462377][ T73] ipv6_find_idev+0x102/0x170 [ 2452.462377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.462377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.462377][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.462377][ T73] netlink_unicast+0x449/0x710 [ 2452.462377][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.462377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.462377][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.462377][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.462377][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.462377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.462377][ T73] [ 2452.464245][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2452.464535][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2452.464535][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.464535][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.464535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.464535][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2452.464535][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2452.464535][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2452.464535][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2452.464535][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2452.464535][ T73] addrconf_dad_begin+0x310/0x670 [ 2452.464535][ T73] addrconf_dad_work+0x10b/0xab0 [ 2452.464535][ T73] process_one_work+0x84d/0x18a0 [ 2452.464535][ T73] worker_thread+0x587/0xd30 [ 2452.464535][ T73] kthread+0x28a/0x350 [ 2452.464535][ T73] ret_from_fork+0x31/0x70 [ 2452.464535][ T73] ret_from_fork_asm+0x1a/0x30 [ 2452.464535][ T73] [ 2452.466679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2452.466679][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.466679][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.466679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.466679][ T73] ip6_route_add+0x1c/0x140 [ 2452.466679][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2452.466679][ T73] inet6_addr_add+0x4f8/0xa40 [ 2452.466679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.466679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.466679][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.466679][ T73] netlink_unicast+0x449/0x710 [ 2452.466679][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.466679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.466679][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.466679][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.466679][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.466679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.466679][ T73] [ 2452.468904][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2452.468904][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.468904][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.468904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.468904][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2452.468904][ T73] ipv6_add_addr+0x411/0x2000 [ 2452.468904][ T73] inet6_addr_add+0x30e/0xa40 [ 2452.468904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.468904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.468904][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.468904][ T73] netlink_unicast+0x449/0x710 [ 2452.468904][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.468904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.468904][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.468904][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.468904][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.468904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.468904][ T73] [ 2452.471205][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2452.471205][ T73] netdev_get_by_index+0x5e/0x80 [ 2452.471205][ T73] fib6_nh_init+0x3d8/0x1580 [ 2452.471205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2452.471205][ T73] ip6_route_add+0x1c/0x140 [ 2452.471205][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.471205][ T73] addrconf_add_dev+0xe2/0x170 [ 2452.471205][ T73] inet6_addr_add+0x12f/0xa40 [ 2452.471205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.471205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.471205][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.471205][ T73] netlink_unicast+0x449/0x710 [ 2452.471205][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.471205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.471205][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.471205][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.471205][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.471205][ T73] [ 2452.473346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2452.473346][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2452.473346][ T73] ipv6_find_idev+0x102/0x170 [ 2452.473346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.473346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.473346][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.473346][ T73] netlink_unicast+0x449/0x710 [ 2452.473346][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.473346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.473346][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.473346][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.473346][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.473346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.473346][ T73] [ 2452.475063][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2452.475063][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2452.475063][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2452.475063][ T73] ipv6_find_idev+0x102/0x170 [ 2452.475063][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.475063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.475063][ T73] netlink_rcv_skb+0x130/0x360 [ 2452.475063][ T73] netlink_unicast+0x449/0x710 [ 2452.475063][ T73] netlink_sendmsg+0x723/0xbe0 [ 2452.475063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2452.475063][ T73] ___sys_sendmsg+0xee/0x170 [ 2452.475063][ T73] __sys_sendmsg+0xcd/0x170 [ 2452.475063][ T73] do_syscall_64+0xc6/0x1e0 [ 2452.475063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.475063][ T73] [ 2462.719004][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2462.719427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.719427][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2462.719427][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2462.719427][ T73] fib6_nh_init+0xa22/0x1580 [ 2462.719427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.719427][ T73] ip6_route_add+0x1c/0x140 [ 2462.719427][ T73] inet6_rtm_newroute+0x104/0x110 [ 2462.719427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.719427][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.719427][ T73] netlink_unicast+0x449/0x710 [ 2462.719427][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.719427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.719427][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.719427][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.719427][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.719427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.719427][ T73] [ 2462.721329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.721329][ T73] dst_init+0x84/0x4a0 [ 2462.721329][ T73] dst_alloc+0x97/0x150 [ 2462.721329][ T73] ip6_dst_alloc+0x23/0x90 [ 2462.721329][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.721329][ T73] ip6_pol_route+0x56f/0x840 [ 2462.721329][ T73] fib6_rule_lookup+0x456/0x630 [ 2462.721329][ T73] ip6_route_input+0x59c/0xa50 [ 2462.721329][ T73] ipv6_rcv+0x397/0x810 [ 2462.721329][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2462.721329][ T73] process_backlog+0x101/0x620 [ 2462.721329][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2462.721329][ T73] net_rx_action+0x495/0xbe0 [ 2462.721329][ T73] __do_softirq+0x1b5/0x7f6 [ 2462.721329][ T73] [ 2462.722951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.722951][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.722951][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.722951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.722951][ T73] ip6_route_add+0x1c/0x140 [ 2462.722951][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2462.722951][ T73] inet6_addr_add+0x4f8/0xa40 [ 2462.722951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.722951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.722951][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.722951][ T73] netlink_unicast+0x449/0x710 [ 2462.722951][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.722951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.722951][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.722951][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.722951][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.722951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.722951][ T73] [ 2462.724931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.724931][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.724931][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.724931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.724931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2462.724931][ T73] ipv6_add_addr+0x411/0x2000 [ 2462.724931][ T73] inet6_addr_add+0x30e/0xa40 [ 2462.724931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.724931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.724931][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.724931][ T73] netlink_unicast+0x449/0x710 [ 2462.724931][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.724931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.724931][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.724931][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.724931][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.724931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.724931][ T73] [ 2462.726915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.726915][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.726915][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.726915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.726915][ T73] ip6_route_add+0x1c/0x140 [ 2462.726915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.726915][ T73] addrconf_add_dev+0xe2/0x170 [ 2462.726915][ T73] inet6_addr_add+0x12f/0xa40 [ 2462.726915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.726915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.726915][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.726915][ T73] netlink_unicast+0x449/0x710 [ 2462.726915][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.726915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.726915][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.726915][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.726915][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.726915][ T73] [ 2462.728863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.728863][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2462.728863][ T73] ipv6_find_idev+0x102/0x170 [ 2462.728863][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.728863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.728863][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.728863][ T73] netlink_unicast+0x449/0x710 [ 2462.728863][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.728863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.728863][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.728863][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.728863][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.728863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.728863][ T73] [ 2462.730405][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2462.730405][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2462.730405][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2462.730405][ T73] ipv6_find_idev+0x102/0x170 [ 2462.730405][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.730405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.730405][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.730405][ T73] netlink_unicast+0x449/0x710 [ 2462.730405][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.730405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.730405][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.730405][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.730405][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.730405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.730405][ T73] [ 2462.732455][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2462.732818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.732818][ T73] dst_init+0x84/0x4a0 [ 2462.732818][ T73] dst_alloc+0x97/0x150 [ 2462.732818][ T73] ip6_dst_alloc+0x23/0x90 [ 2462.732818][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.732818][ T73] ip6_pol_route+0x56f/0x840 [ 2462.732818][ T73] fib6_rule_lookup+0x456/0x630 [ 2462.732818][ T73] ip6_route_input+0x59c/0xa50 [ 2462.732818][ T73] ipv6_rcv+0x397/0x810 [ 2462.732818][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2462.732818][ T73] process_backlog+0x101/0x620 [ 2462.732818][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2462.732818][ T73] net_rx_action+0x495/0xbe0 [ 2462.732818][ T73] __do_softirq+0x1b5/0x7f6 [ 2462.732818][ T73] [ 2462.734762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.734762][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.734762][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.734762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.734762][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2462.734762][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2462.734762][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2462.734762][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2462.734762][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2462.734762][ T73] addrconf_dad_begin+0x310/0x670 [ 2462.734762][ T73] addrconf_dad_work+0x10b/0xab0 [ 2462.734762][ T73] process_one_work+0x84d/0x18a0 [ 2462.734762][ T73] worker_thread+0x587/0xd30 [ 2462.734762][ T73] kthread+0x28a/0x350 [ 2462.734762][ T73] ret_from_fork+0x31/0x70 [ 2462.734762][ T73] ret_from_fork_asm+0x1a/0x30 [ 2462.734762][ T73] [ 2462.737238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.737238][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.737238][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.737238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.737238][ T73] ip6_route_add+0x1c/0x140 [ 2462.737238][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2462.737238][ T73] inet6_addr_add+0x4f8/0xa40 [ 2462.737238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.737238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.737238][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.737238][ T73] netlink_unicast+0x449/0x710 [ 2462.737238][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.737238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.737238][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.737238][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.737238][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.737238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.737238][ T73] [ 2462.739825][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.739825][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.739825][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.739825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.739825][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2462.739825][ T73] ipv6_add_addr+0x411/0x2000 [ 2462.739825][ T73] inet6_addr_add+0x30e/0xa40 [ 2462.739825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.739825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.739825][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.739825][ T73] netlink_unicast+0x449/0x710 [ 2462.739825][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.739825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.739825][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.739825][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.739825][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.739825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.739825][ T73] [ 2462.742080][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.742080][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.742080][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.742080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.742080][ T73] ip6_route_add+0x1c/0x140 [ 2462.742080][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.742080][ T73] addrconf_add_dev+0xe2/0x170 [ 2462.742080][ T73] inet6_addr_add+0x12f/0xa40 [ 2462.742080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.742080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.742080][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.742080][ T73] netlink_unicast+0x449/0x710 [ 2462.742080][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.742080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.742080][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.742080][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.742080][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.742080][ T73] [ 2462.744040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.744040][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2462.744040][ T73] ipv6_find_idev+0x102/0x170 [ 2462.744040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.744040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.744040][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.744040][ T73] netlink_unicast+0x449/0x710 [ 2462.744040][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.744040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.744040][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.744040][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.744040][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.744040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.744040][ T73] [ 2462.745569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2462.745569][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2462.745569][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2462.745569][ T73] ipv6_find_idev+0x102/0x170 [ 2462.745569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.745569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.745569][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.745569][ T73] netlink_unicast+0x449/0x710 [ 2462.745569][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.745569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.745569][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.745569][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.745569][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.745569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.745569][ T73] [ 2462.747386][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2462.747714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.747714][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2462.747714][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2462.747714][ T73] fib6_nh_init+0xa22/0x1580 [ 2462.747714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.747714][ T73] ip6_route_add+0x1c/0x140 [ 2462.747714][ T73] inet6_rtm_newroute+0x104/0x110 [ 2462.747714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.747714][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.747714][ T73] netlink_unicast+0x449/0x710 [ 2462.747714][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.747714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.747714][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.747714][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.747714][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.747714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.747714][ T73] [ 2462.749863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.749863][ T73] dst_init+0x84/0x4a0 [ 2462.749863][ T73] dst_alloc+0x97/0x150 [ 2462.749863][ T73] ip6_dst_alloc+0x23/0x90 [ 2462.749863][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.749863][ T73] ip6_pol_route+0x56f/0x840 [ 2462.749863][ T73] fib6_rule_lookup+0x456/0x630 [ 2462.749863][ T73] ip6_route_input+0x59c/0xa50 [ 2462.749863][ T73] ipv6_rcv+0x397/0x810 [ 2462.749863][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2462.749863][ T73] process_backlog+0x101/0x620 [ 2462.749863][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2462.749863][ T73] net_rx_action+0x495/0xbe0 [ 2462.749863][ T73] __do_softirq+0x1b5/0x7f6 [ 2462.749863][ T73] [ 2462.751781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.751781][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.751781][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.751781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.751781][ T73] ip6_route_add+0x1c/0x140 [ 2462.751781][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2462.751781][ T73] inet6_addr_add+0x4f8/0xa40 [ 2462.751781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.751781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.751781][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.751781][ T73] netlink_unicast+0x449/0x710 [ 2462.751781][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.751781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.751781][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.751781][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.751781][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.751781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.751781][ T73] [ 2462.755075][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.755075][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.755075][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.755075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.755075][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2462.755075][ T73] ipv6_add_addr+0x411/0x2000 [ 2462.755075][ T73] inet6_addr_add+0x30e/0xa40 [ 2462.755075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.755075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.755075][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.755075][ T73] netlink_unicast+0x449/0x710 [ 2462.755075][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.755075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.755075][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.755075][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.755075][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.755075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.755075][ T73] [ 2462.757395][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.757395][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.757395][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.757395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.757395][ T73] ip6_route_add+0x1c/0x140 [ 2462.757395][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.757395][ T73] addrconf_add_dev+0xe2/0x170 [ 2462.757395][ T73] inet6_addr_add+0x12f/0xa40 [ 2462.757395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.757395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.757395][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.757395][ T73] netlink_unicast+0x449/0x710 [ 2462.757395][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.757395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.757395][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.757395][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.757395][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.757395][ T73] [ 2462.759717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.759717][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2462.759717][ T73] ipv6_find_idev+0x102/0x170 [ 2462.759717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.759717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.759717][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.759717][ T73] netlink_unicast+0x449/0x710 [ 2462.759717][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.759717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.759717][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.759717][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.759717][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.759717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.759717][ T73] [ 2462.761522][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2462.761522][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2462.761522][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2462.761522][ T73] ipv6_find_idev+0x102/0x170 [ 2462.761522][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.761522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.761522][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.761522][ T73] netlink_unicast+0x449/0x710 [ 2462.761522][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.761522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.761522][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.761522][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.761522][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.761522][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.761522][ T73] [ 2462.763506][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2462.763805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2462.763805][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.763805][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.763805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.763805][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2462.763805][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2462.763805][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2462.763805][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2462.763805][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2462.763805][ T73] addrconf_dad_begin+0x310/0x670 [ 2462.763805][ T73] addrconf_dad_work+0x10b/0xab0 [ 2462.763805][ T73] process_one_work+0x84d/0x18a0 [ 2462.763805][ T73] worker_thread+0x587/0xd30 [ 2462.763805][ T73] kthread+0x28a/0x350 [ 2462.763805][ T73] ret_from_fork+0x31/0x70 [ 2462.763805][ T73] ret_from_fork_asm+0x1a/0x30 [ 2462.763805][ T73] [ 2462.766121][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2462.766121][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.766121][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.766121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.766121][ T73] ip6_route_add+0x1c/0x140 [ 2462.766121][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2462.766121][ T73] inet6_addr_add+0x4f8/0xa40 [ 2462.766121][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.766121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.766121][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.766121][ T73] netlink_unicast+0x449/0x710 [ 2462.766121][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.766121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.766121][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.766121][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.766121][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.766121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.766121][ T73] [ 2462.768492][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2462.768492][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.768492][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.768492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.768492][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2462.768492][ T73] ipv6_add_addr+0x411/0x2000 [ 2462.768492][ T73] inet6_addr_add+0x30e/0xa40 [ 2462.768492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.768492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.768492][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.768492][ T73] netlink_unicast+0x449/0x710 [ 2462.768492][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.768492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.768492][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.768492][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.768492][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.768492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.768492][ T73] [ 2462.770867][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2462.770867][ T73] netdev_get_by_index+0x5e/0x80 [ 2462.770867][ T73] fib6_nh_init+0x3d8/0x1580 [ 2462.770867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2462.770867][ T73] ip6_route_add+0x1c/0x140 [ 2462.770867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.770867][ T73] addrconf_add_dev+0xe2/0x170 [ 2462.770867][ T73] inet6_addr_add+0x12f/0xa40 [ 2462.770867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.770867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.770867][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.770867][ T73] netlink_unicast+0x449/0x710 [ 2462.770867][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.770867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.770867][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.770867][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.770867][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.770867][ T73] [ 2462.773110][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2462.773110][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2462.773110][ T73] ipv6_find_idev+0x102/0x170 [ 2462.773110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.773110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.773110][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.773110][ T73] netlink_unicast+0x449/0x710 [ 2462.773110][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.773110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.773110][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.773110][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.773110][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.773110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.773110][ T73] [ 2462.774955][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2462.774955][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2462.774955][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2462.774955][ T73] ipv6_find_idev+0x102/0x170 [ 2462.774955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.774955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.774955][ T73] netlink_rcv_skb+0x130/0x360 [ 2462.774955][ T73] netlink_unicast+0x449/0x710 [ 2462.774955][ T73] netlink_sendmsg+0x723/0xbe0 [ 2462.774955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2462.774955][ T73] ___sys_sendmsg+0xee/0x170 [ 2462.774955][ T73] __sys_sendmsg+0xcd/0x170 [ 2462.774955][ T73] do_syscall_64+0xc6/0x1e0 [ 2462.774955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.774955][ T73] [ 2472.806955][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2472.807426][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.807426][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2472.807426][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2472.807426][ T73] fib6_nh_init+0xa22/0x1580 [ 2472.807426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.807426][ T73] ip6_route_add+0x1c/0x140 [ 2472.807426][ T73] inet6_rtm_newroute+0x104/0x110 [ 2472.807426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.807426][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.807426][ T73] netlink_unicast+0x449/0x710 [ 2472.807426][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.807426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.807426][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.807426][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.807426][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.807426][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.807426][ T73] [ 2472.809476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.809476][ T73] dst_init+0x84/0x4a0 [ 2472.809476][ T73] dst_alloc+0x97/0x150 [ 2472.809476][ T73] ip6_dst_alloc+0x23/0x90 [ 2472.809476][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.809476][ T73] ip6_pol_route+0x56f/0x840 [ 2472.809476][ T73] fib6_rule_lookup+0x456/0x630 [ 2472.809476][ T73] ip6_route_input+0x59c/0xa50 [ 2472.809476][ T73] ipv6_rcv+0x397/0x810 [ 2472.809476][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2472.809476][ T73] process_backlog+0x101/0x620 [ 2472.809476][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2472.809476][ T73] net_rx_action+0x495/0xbe0 [ 2472.809476][ T73] __do_softirq+0x1b5/0x7f6 [ 2472.809476][ T73] [ 2472.811250][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.811250][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.811250][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.811250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.811250][ T73] ip6_route_add+0x1c/0x140 [ 2472.811250][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2472.811250][ T73] inet6_addr_add+0x4f8/0xa40 [ 2472.811250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.811250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.811250][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.811250][ T73] netlink_unicast+0x449/0x710 [ 2472.811250][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.811250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.811250][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.811250][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.811250][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.811250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.811250][ T73] [ 2472.813379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.813379][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.813379][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.813379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.813379][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2472.813379][ T73] ipv6_add_addr+0x411/0x2000 [ 2472.813379][ T73] inet6_addr_add+0x30e/0xa40 [ 2472.813379][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.813379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.813379][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.813379][ T73] netlink_unicast+0x449/0x710 [ 2472.813379][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.813379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.813379][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.813379][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.813379][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.813379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.813379][ T73] [ 2472.815499][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.815499][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.815499][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.815499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.815499][ T73] ip6_route_add+0x1c/0x140 [ 2472.815499][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.815499][ T73] addrconf_add_dev+0xe2/0x170 [ 2472.815499][ T73] inet6_addr_add+0x12f/0xa40 [ 2472.815499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.815499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.815499][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.815499][ T73] netlink_unicast+0x449/0x710 [ 2472.815499][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.815499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.815499][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.815499][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.815499][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.815499][ T73] [ 2472.817567][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.817567][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2472.817567][ T73] ipv6_find_idev+0x102/0x170 [ 2472.817567][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.817567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.817567][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.817567][ T73] netlink_unicast+0x449/0x710 [ 2472.817567][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.817567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.817567][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.817567][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.817567][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.817567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.817567][ T73] [ 2472.819226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2472.819226][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2472.819226][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2472.819226][ T73] ipv6_find_idev+0x102/0x170 [ 2472.819226][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.819226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.819226][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.819226][ T73] netlink_unicast+0x449/0x710 [ 2472.819226][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.819226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.819226][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.819226][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.819226][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.819226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.819226][ T73] [ 2472.821602][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2472.822293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.822293][ T73] dst_init+0x84/0x4a0 [ 2472.822293][ T73] dst_alloc+0x97/0x150 [ 2472.822293][ T73] ip6_dst_alloc+0x23/0x90 [ 2472.822293][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.822293][ T73] ip6_pol_route+0x56f/0x840 [ 2472.822293][ T73] fib6_rule_lookup+0x456/0x630 [ 2472.822293][ T73] ip6_route_input+0x59c/0xa50 [ 2472.822293][ T73] ipv6_rcv+0x397/0x810 [ 2472.822293][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2472.822293][ T73] process_backlog+0x101/0x620 [ 2472.822293][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2472.822293][ T73] net_rx_action+0x495/0xbe0 [ 2472.822293][ T73] __do_softirq+0x1b5/0x7f6 [ 2472.822293][ T73] [ 2472.824055][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.824055][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.824055][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.824055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.824055][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2472.824055][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2472.824055][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2472.824055][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2472.824055][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2472.824055][ T73] addrconf_dad_begin+0x310/0x670 [ 2472.824055][ T73] addrconf_dad_work+0x10b/0xab0 [ 2472.824055][ T73] process_one_work+0x84d/0x18a0 [ 2472.824055][ T73] worker_thread+0x587/0xd30 [ 2472.824055][ T73] kthread+0x28a/0x350 [ 2472.824055][ T73] ret_from_fork+0x31/0x70 [ 2472.824055][ T73] ret_from_fork_asm+0x1a/0x30 [ 2472.824055][ T73] [ 2472.826115][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.826115][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.826115][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.826115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.826115][ T73] ip6_route_add+0x1c/0x140 [ 2472.826115][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2472.826115][ T73] inet6_addr_add+0x4f8/0xa40 [ 2472.826115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.826115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.826115][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.826115][ T73] netlink_unicast+0x449/0x710 [ 2472.826115][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.826115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.826115][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.826115][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.826115][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.826115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.826115][ T73] [ 2472.828255][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.828255][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.828255][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.828255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.828255][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2472.828255][ T73] ipv6_add_addr+0x411/0x2000 [ 2472.828255][ T73] inet6_addr_add+0x30e/0xa40 [ 2472.828255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.828255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.828255][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.828255][ T73] netlink_unicast+0x449/0x710 [ 2472.828255][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.828255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.828255][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.828255][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.828255][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.828255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.828255][ T73] [ 2472.830402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.830402][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.830402][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.830402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.830402][ T73] ip6_route_add+0x1c/0x140 [ 2472.830402][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.830402][ T73] addrconf_add_dev+0xe2/0x170 [ 2472.830402][ T73] inet6_addr_add+0x12f/0xa40 [ 2472.830402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.830402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.830402][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.830402][ T73] netlink_unicast+0x449/0x710 [ 2472.830402][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.830402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.830402][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.830402][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.830402][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.830402][ T73] [ 2472.832487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.832487][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2472.832487][ T73] ipv6_find_idev+0x102/0x170 [ 2472.832487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.832487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.832487][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.832487][ T73] netlink_unicast+0x449/0x710 [ 2472.832487][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.832487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.832487][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.832487][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.832487][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.832487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.832487][ T73] [ 2472.834135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2472.834135][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2472.834135][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2472.834135][ T73] ipv6_find_idev+0x102/0x170 [ 2472.834135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.834135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.834135][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.834135][ T73] netlink_unicast+0x449/0x710 [ 2472.834135][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.834135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.834135][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.834135][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.834135][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.834135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.834135][ T73] [ 2472.836005][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2472.836294][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.836294][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2472.836294][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2472.836294][ T73] fib6_nh_init+0xa22/0x1580 [ 2472.836294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.836294][ T73] ip6_route_add+0x1c/0x140 [ 2472.836294][ T73] inet6_rtm_newroute+0x104/0x110 [ 2472.836294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.836294][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.836294][ T73] netlink_unicast+0x449/0x710 [ 2472.836294][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.836294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.836294][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.836294][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.836294][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.836294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.836294][ T73] [ 2472.838617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.838617][ T73] dst_init+0x84/0x4a0 [ 2472.838617][ T73] dst_alloc+0x97/0x150 [ 2472.838617][ T73] ip6_dst_alloc+0x23/0x90 [ 2472.838617][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.838617][ T73] ip6_pol_route+0x56f/0x840 [ 2472.838617][ T73] fib6_rule_lookup+0x456/0x630 [ 2472.838617][ T73] ip6_route_input+0x59c/0xa50 [ 2472.838617][ T73] ipv6_rcv+0x397/0x810 [ 2472.838617][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2472.838617][ T73] process_backlog+0x101/0x620 [ 2472.838617][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2472.838617][ T73] net_rx_action+0x495/0xbe0 [ 2472.838617][ T73] __do_softirq+0x1b5/0x7f6 [ 2472.838617][ T73] [ 2472.840491][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.840491][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.840491][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.840491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.840491][ T73] ip6_route_add+0x1c/0x140 [ 2472.840491][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2472.840491][ T73] inet6_addr_add+0x4f8/0xa40 [ 2472.840491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.840491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.840491][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.840491][ T73] netlink_unicast+0x449/0x710 [ 2472.840491][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.840491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.840491][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.840491][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.840491][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.840491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.840491][ T73] [ 2472.842867][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.842867][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.842867][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.842867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.842867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2472.842867][ T73] ipv6_add_addr+0x411/0x2000 [ 2472.842867][ T73] inet6_addr_add+0x30e/0xa40 [ 2472.842867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.842867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.842867][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.842867][ T73] netlink_unicast+0x449/0x710 [ 2472.842867][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.842867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.842867][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.842867][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.842867][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.842867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.842867][ T73] [ 2472.845223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.845223][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.845223][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.845223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.845223][ T73] ip6_route_add+0x1c/0x140 [ 2472.845223][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.845223][ T73] addrconf_add_dev+0xe2/0x170 [ 2472.845223][ T73] inet6_addr_add+0x12f/0xa40 [ 2472.845223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.845223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.845223][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.845223][ T73] netlink_unicast+0x449/0x710 [ 2472.845223][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.845223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.845223][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.845223][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.845223][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.845223][ T73] [ 2472.847554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.847554][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2472.847554][ T73] ipv6_find_idev+0x102/0x170 [ 2472.847554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.847554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.847554][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.847554][ T73] netlink_unicast+0x449/0x710 [ 2472.847554][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.847554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.847554][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.847554][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.847554][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.847554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.847554][ T73] [ 2472.849367][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2472.849367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2472.849367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2472.849367][ T73] ipv6_find_idev+0x102/0x170 [ 2472.849367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.849367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.849367][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.849367][ T73] netlink_unicast+0x449/0x710 [ 2472.849367][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.849367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.849367][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.849367][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.849367][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.849367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.849367][ T73] [ 2472.851793][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2472.852501][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2472.852501][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.852501][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.852501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.852501][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2472.852501][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2472.852501][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2472.852501][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2472.852501][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2472.852501][ T73] addrconf_dad_begin+0x310/0x670 [ 2472.852501][ T73] addrconf_dad_work+0x10b/0xab0 [ 2472.852501][ T73] process_one_work+0x84d/0x18a0 [ 2472.852501][ T73] worker_thread+0x587/0xd30 [ 2472.852501][ T73] kthread+0x28a/0x350 [ 2472.852501][ T73] ret_from_fork+0x31/0x70 [ 2472.852501][ T73] ret_from_fork_asm+0x1a/0x30 [ 2472.852501][ T73] [ 2472.854531][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2472.854531][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.854531][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.854531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.854531][ T73] ip6_route_add+0x1c/0x140 [ 2472.854531][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2472.854531][ T73] inet6_addr_add+0x4f8/0xa40 [ 2472.854531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.854531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.854531][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.854531][ T73] netlink_unicast+0x449/0x710 [ 2472.854531][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.854531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.854531][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.854531][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.854531][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.854531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.854531][ T73] [ 2472.856660][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2472.856660][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.856660][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.856660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.856660][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2472.856660][ T73] ipv6_add_addr+0x411/0x2000 [ 2472.856660][ T73] inet6_addr_add+0x30e/0xa40 [ 2472.856660][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.856660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.856660][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.856660][ T73] netlink_unicast+0x449/0x710 [ 2472.856660][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.856660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.856660][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.856660][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.856660][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.856660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.856660][ T73] [ 2472.858777][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2472.858777][ T73] netdev_get_by_index+0x5e/0x80 [ 2472.858777][ T73] fib6_nh_init+0x3d8/0x1580 [ 2472.858777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2472.858777][ T73] ip6_route_add+0x1c/0x140 [ 2472.858777][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.858777][ T73] addrconf_add_dev+0xe2/0x170 [ 2472.858777][ T73] inet6_addr_add+0x12f/0xa40 [ 2472.858777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.858777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.858777][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.858777][ T73] netlink_unicast+0x449/0x710 [ 2472.858777][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.858777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.858777][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.858777][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.858777][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.858777][ T73] [ 2472.861068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2472.861068][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2472.861068][ T73] ipv6_find_idev+0x102/0x170 [ 2472.861068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.861068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.861068][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.861068][ T73] netlink_unicast+0x449/0x710 [ 2472.861068][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.861068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.861068][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.861068][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.861068][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.861068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.861068][ T73] [ 2472.862898][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2472.862898][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2472.862898][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2472.862898][ T73] ipv6_find_idev+0x102/0x170 [ 2472.862898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.862898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.862898][ T73] netlink_rcv_skb+0x130/0x360 [ 2472.862898][ T73] netlink_unicast+0x449/0x710 [ 2472.862898][ T73] netlink_sendmsg+0x723/0xbe0 [ 2472.862898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2472.862898][ T73] ___sys_sendmsg+0xee/0x170 [ 2472.862898][ T73] __sys_sendmsg+0xcd/0x170 [ 2472.862898][ T73] do_syscall_64+0xc6/0x1e0 [ 2472.862898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.862898][ T73] [ 2482.894884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2482.895386][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.895386][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2482.895386][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2482.895386][ T73] fib6_nh_init+0xa22/0x1580 [ 2482.895386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.895386][ T73] ip6_route_add+0x1c/0x140 [ 2482.895386][ T73] inet6_rtm_newroute+0x104/0x110 [ 2482.895386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.895386][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.895386][ T73] netlink_unicast+0x449/0x710 [ 2482.895386][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.895386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.895386][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.895386][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.895386][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.895386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.895386][ T73] [ 2482.897362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.897362][ T73] dst_init+0x84/0x4a0 [ 2482.897362][ T73] dst_alloc+0x97/0x150 [ 2482.897362][ T73] ip6_dst_alloc+0x23/0x90 [ 2482.897362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.897362][ T73] ip6_pol_route+0x56f/0x840 [ 2482.897362][ T73] fib6_rule_lookup+0x456/0x630 [ 2482.897362][ T73] ip6_route_input+0x59c/0xa50 [ 2482.897362][ T73] ipv6_rcv+0x397/0x810 [ 2482.897362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2482.897362][ T73] process_backlog+0x101/0x620 [ 2482.897362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2482.897362][ T73] net_rx_action+0x495/0xbe0 [ 2482.897362][ T73] __do_softirq+0x1b5/0x7f6 [ 2482.897362][ T73] [ 2482.899066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.899066][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.899066][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.899066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.899066][ T73] ip6_route_add+0x1c/0x140 [ 2482.899066][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2482.899066][ T73] inet6_addr_add+0x4f8/0xa40 [ 2482.899066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.899066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.899066][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.899066][ T73] netlink_unicast+0x449/0x710 [ 2482.899066][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.899066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.899066][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.899066][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.899066][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.899066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.899066][ T73] [ 2482.901152][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.901152][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.901152][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.901152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.901152][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2482.901152][ T73] ipv6_add_addr+0x411/0x2000 [ 2482.901152][ T73] inet6_addr_add+0x30e/0xa40 [ 2482.901152][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.901152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.901152][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.901152][ T73] netlink_unicast+0x449/0x710 [ 2482.901152][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.901152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.901152][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.901152][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.901152][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.901152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.901152][ T73] [ 2482.903263][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.903263][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.903263][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.903263][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.903263][ T73] ip6_route_add+0x1c/0x140 [ 2482.903263][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.903263][ T73] addrconf_add_dev+0xe2/0x170 [ 2482.903263][ T73] inet6_addr_add+0x12f/0xa40 [ 2482.903263][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.903263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.903263][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.903263][ T73] netlink_unicast+0x449/0x710 [ 2482.903263][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.903263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.903263][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.903263][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.903263][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.903263][ T73] [ 2482.905322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.905322][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2482.905322][ T73] ipv6_find_idev+0x102/0x170 [ 2482.905322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.905322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.905322][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.905322][ T73] netlink_unicast+0x449/0x710 [ 2482.905322][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.905322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.905322][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.905322][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.905322][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.905322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.905322][ T73] [ 2482.906933][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2482.906933][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2482.906933][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2482.906933][ T73] ipv6_find_idev+0x102/0x170 [ 2482.906933][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.906933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.906933][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.906933][ T73] netlink_unicast+0x449/0x710 [ 2482.906933][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.906933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.906933][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.906933][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.906933][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.906933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.906933][ T73] [ 2482.908698][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2482.909006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.909006][ T73] dst_init+0x84/0x4a0 [ 2482.909006][ T73] dst_alloc+0x97/0x150 [ 2482.909006][ T73] ip6_dst_alloc+0x23/0x90 [ 2482.909006][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.909006][ T73] ip6_pol_route+0x56f/0x840 [ 2482.909006][ T73] fib6_rule_lookup+0x456/0x630 [ 2482.909006][ T73] ip6_route_input+0x59c/0xa50 [ 2482.909006][ T73] ipv6_rcv+0x397/0x810 [ 2482.909006][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2482.909006][ T73] process_backlog+0x101/0x620 [ 2482.909006][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2482.909006][ T73] net_rx_action+0x495/0xbe0 [ 2482.909006][ T73] __do_softirq+0x1b5/0x7f6 [ 2482.909006][ T73] [ 2482.910713][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.910713][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.910713][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.910713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.910713][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2482.910713][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2482.910713][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2482.910713][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2482.910713][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2482.910713][ T73] addrconf_dad_begin+0x310/0x670 [ 2482.910713][ T73] addrconf_dad_work+0x10b/0xab0 [ 2482.910713][ T73] process_one_work+0x84d/0x18a0 [ 2482.910713][ T73] worker_thread+0x587/0xd30 [ 2482.910713][ T73] kthread+0x28a/0x350 [ 2482.910713][ T73] ret_from_fork+0x31/0x70 [ 2482.910713][ T73] ret_from_fork_asm+0x1a/0x30 [ 2482.910713][ T73] [ 2482.912700][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.912700][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.912700][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.912700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.912700][ T73] ip6_route_add+0x1c/0x140 [ 2482.912700][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2482.912700][ T73] inet6_addr_add+0x4f8/0xa40 [ 2482.912700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.912700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.912700][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.912700][ T73] netlink_unicast+0x449/0x710 [ 2482.912700][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.912700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.912700][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.912700][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.912700][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.912700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.912700][ T73] [ 2482.914766][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.914766][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.914766][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.914766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.914766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2482.914766][ T73] ipv6_add_addr+0x411/0x2000 [ 2482.914766][ T73] inet6_addr_add+0x30e/0xa40 [ 2482.914766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.914766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.914766][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.914766][ T73] netlink_unicast+0x449/0x710 [ 2482.914766][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.914766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.914766][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.914766][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.914766][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.914766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.914766][ T73] [ 2482.916840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.916840][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.916840][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.916840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.916840][ T73] ip6_route_add+0x1c/0x140 [ 2482.916840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.916840][ T73] addrconf_add_dev+0xe2/0x170 [ 2482.916840][ T73] inet6_addr_add+0x12f/0xa40 [ 2482.916840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.916840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.916840][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.916840][ T73] netlink_unicast+0x449/0x710 [ 2482.916840][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.916840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.916840][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.916840][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.916840][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.916840][ T73] [ 2482.918874][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.918874][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2482.918874][ T73] ipv6_find_idev+0x102/0x170 [ 2482.918874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.918874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.918874][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.918874][ T73] netlink_unicast+0x449/0x710 [ 2482.918874][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.918874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.918874][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.918874][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.918874][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.918874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.918874][ T73] [ 2482.920464][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2482.920464][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2482.920464][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2482.920464][ T73] ipv6_find_idev+0x102/0x170 [ 2482.920464][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.920464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.920464][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.920464][ T73] netlink_unicast+0x449/0x710 [ 2482.920464][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.920464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.920464][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.920464][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.920464][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.920464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.920464][ T73] [ 2482.922338][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2482.922671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.922671][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2482.922671][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2482.922671][ T73] fib6_nh_init+0xa22/0x1580 [ 2482.922671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.922671][ T73] ip6_route_add+0x1c/0x140 [ 2482.922671][ T73] inet6_rtm_newroute+0x104/0x110 [ 2482.922671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.922671][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.922671][ T73] netlink_unicast+0x449/0x710 [ 2482.922671][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.922671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.922671][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.922671][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.922671][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.922671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.922671][ T73] [ 2482.924795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.924795][ T73] dst_init+0x84/0x4a0 [ 2482.924795][ T73] dst_alloc+0x97/0x150 [ 2482.924795][ T73] ip6_dst_alloc+0x23/0x90 [ 2482.924795][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.924795][ T73] ip6_pol_route+0x56f/0x840 [ 2482.924795][ T73] fib6_rule_lookup+0x456/0x630 [ 2482.924795][ T73] ip6_route_input+0x59c/0xa50 [ 2482.924795][ T73] ipv6_rcv+0x397/0x810 [ 2482.924795][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2482.924795][ T73] process_backlog+0x101/0x620 [ 2482.924795][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2482.924795][ T73] net_rx_action+0x495/0xbe0 [ 2482.924795][ T73] __do_softirq+0x1b5/0x7f6 [ 2482.924795][ T73] [ 2482.926679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.926679][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.926679][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.926679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.926679][ T73] ip6_route_add+0x1c/0x140 [ 2482.926679][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2482.926679][ T73] inet6_addr_add+0x4f8/0xa40 [ 2482.926679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.926679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.926679][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.926679][ T73] netlink_unicast+0x449/0x710 [ 2482.926679][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.926679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.926679][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.926679][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.926679][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.926679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.926679][ T73] [ 2482.929004][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.929004][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.929004][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.929004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.929004][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2482.929004][ T73] ipv6_add_addr+0x411/0x2000 [ 2482.929004][ T73] inet6_addr_add+0x30e/0xa40 [ 2482.929004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.929004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.929004][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.929004][ T73] netlink_unicast+0x449/0x710 [ 2482.929004][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.929004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.929004][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.929004][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.929004][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.929004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.929004][ T73] [ 2482.931385][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.931385][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.931385][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.931385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.931385][ T73] ip6_route_add+0x1c/0x140 [ 2482.931385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.931385][ T73] addrconf_add_dev+0xe2/0x170 [ 2482.931385][ T73] inet6_addr_add+0x12f/0xa40 [ 2482.931385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.931385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.931385][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.931385][ T73] netlink_unicast+0x449/0x710 [ 2482.931385][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.931385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.931385][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.931385][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.931385][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.931385][ T73] [ 2482.933689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.933689][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2482.933689][ T73] ipv6_find_idev+0x102/0x170 [ 2482.933689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.933689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.933689][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.933689][ T73] netlink_unicast+0x449/0x710 [ 2482.933689][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.933689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.933689][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.933689][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.933689][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.933689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.933689][ T73] [ 2482.935465][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2482.935465][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2482.935465][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2482.935465][ T73] ipv6_find_idev+0x102/0x170 [ 2482.935465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.935465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.935465][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.935465][ T73] netlink_unicast+0x449/0x710 [ 2482.935465][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.935465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.935465][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.935465][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.935465][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.935465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.935465][ T73] [ 2482.937404][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2482.937689][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2482.937689][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.937689][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.937689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.937689][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2482.937689][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2482.937689][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2482.937689][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2482.937689][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2482.937689][ T73] addrconf_dad_begin+0x310/0x670 [ 2482.937689][ T73] addrconf_dad_work+0x10b/0xab0 [ 2482.937689][ T73] process_one_work+0x84d/0x18a0 [ 2482.937689][ T73] worker_thread+0x587/0xd30 [ 2482.937689][ T73] kthread+0x28a/0x350 [ 2482.937689][ T73] ret_from_fork+0x31/0x70 [ 2482.937689][ T73] ret_from_fork_asm+0x1a/0x30 [ 2482.937689][ T73] [ 2482.939927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2482.939927][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.939927][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.939927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.939927][ T73] ip6_route_add+0x1c/0x140 [ 2482.939927][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2482.939927][ T73] inet6_addr_add+0x4f8/0xa40 [ 2482.939927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.939927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.939927][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.939927][ T73] netlink_unicast+0x449/0x710 [ 2482.939927][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.939927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.939927][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.939927][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.939927][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.939927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.939927][ T73] [ 2482.942301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2482.942301][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.942301][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.942301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.942301][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2482.942301][ T73] ipv6_add_addr+0x411/0x2000 [ 2482.942301][ T73] inet6_addr_add+0x30e/0xa40 [ 2482.942301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.942301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.942301][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.942301][ T73] netlink_unicast+0x449/0x710 [ 2482.942301][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.942301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.942301][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.942301][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.942301][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.942301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.942301][ T73] [ 2482.944614][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2482.944614][ T73] netdev_get_by_index+0x5e/0x80 [ 2482.944614][ T73] fib6_nh_init+0x3d8/0x1580 [ 2482.944614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2482.944614][ T73] ip6_route_add+0x1c/0x140 [ 2482.944614][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.944614][ T73] addrconf_add_dev+0xe2/0x170 [ 2482.944614][ T73] inet6_addr_add+0x12f/0xa40 [ 2482.944614][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.944614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.944614][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.944614][ T73] netlink_unicast+0x449/0x710 [ 2482.944614][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.944614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.944614][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.944614][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.944614][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.944614][ T73] [ 2482.946840][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2482.946840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2482.946840][ T73] ipv6_find_idev+0x102/0x170 [ 2482.946840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.946840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.946840][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.946840][ T73] netlink_unicast+0x449/0x710 [ 2482.946840][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.946840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.946840][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.946840][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.946840][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.946840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.946840][ T73] [ 2482.948614][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2482.948614][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2482.948614][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2482.948614][ T73] ipv6_find_idev+0x102/0x170 [ 2482.948614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.948614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.948614][ T73] netlink_rcv_skb+0x130/0x360 [ 2482.948614][ T73] netlink_unicast+0x449/0x710 [ 2482.948614][ T73] netlink_sendmsg+0x723/0xbe0 [ 2482.948614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2482.948614][ T73] ___sys_sendmsg+0xee/0x170 [ 2482.948614][ T73] __sys_sendmsg+0xcd/0x170 [ 2482.948614][ T73] do_syscall_64+0xc6/0x1e0 [ 2482.948614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.948614][ T73] [ 2493.022899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2493.023366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.023366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2493.023366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2493.023366][ T73] fib6_nh_init+0xa22/0x1580 [ 2493.023366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.023366][ T73] ip6_route_add+0x1c/0x140 [ 2493.023366][ T73] inet6_rtm_newroute+0x104/0x110 [ 2493.023366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.023366][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.023366][ T73] netlink_unicast+0x449/0x710 [ 2493.023366][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.023366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.023366][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.023366][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.023366][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.023366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.023366][ T73] [ 2493.025358][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.025358][ T73] dst_init+0x84/0x4a0 [ 2493.025358][ T73] dst_alloc+0x97/0x150 [ 2493.025358][ T73] ip6_dst_alloc+0x23/0x90 [ 2493.025358][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.025358][ T73] ip6_pol_route+0x56f/0x840 [ 2493.025358][ T73] fib6_rule_lookup+0x456/0x630 [ 2493.025358][ T73] ip6_route_input+0x59c/0xa50 [ 2493.025358][ T73] ipv6_rcv+0x397/0x810 [ 2493.025358][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2493.025358][ T73] process_backlog+0x101/0x620 [ 2493.025358][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2493.025358][ T73] net_rx_action+0x495/0xbe0 [ 2493.025358][ T73] __do_softirq+0x1b5/0x7f6 [ 2493.025358][ T73] [ 2493.027035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.027035][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.027035][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.027035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.027035][ T73] ip6_route_add+0x1c/0x140 [ 2493.027035][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2493.027035][ T73] inet6_addr_add+0x4f8/0xa40 [ 2493.027035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.027035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.027035][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.027035][ T73] netlink_unicast+0x449/0x710 [ 2493.027035][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.027035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.027035][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.027035][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.027035][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.027035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.027035][ T73] [ 2493.029053][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.029053][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.029053][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.029053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.029053][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2493.029053][ T73] ipv6_add_addr+0x411/0x2000 [ 2493.029053][ T73] inet6_addr_add+0x30e/0xa40 [ 2493.029053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.029053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.029053][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.029053][ T73] netlink_unicast+0x449/0x710 [ 2493.029053][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.029053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.029053][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.029053][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.029053][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.029053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.029053][ T73] [ 2493.031059][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.031059][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.031059][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.031059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.031059][ T73] ip6_route_add+0x1c/0x140 [ 2493.031059][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.031059][ T73] addrconf_add_dev+0xe2/0x170 [ 2493.031059][ T73] inet6_addr_add+0x12f/0xa40 [ 2493.031059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.031059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.031059][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.031059][ T73] netlink_unicast+0x449/0x710 [ 2493.031059][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.031059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.031059][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.031059][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.031059][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.031059][ T73] [ 2493.033036][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.033036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2493.033036][ T73] ipv6_find_idev+0x102/0x170 [ 2493.033036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.033036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.033036][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.033036][ T73] netlink_unicast+0x449/0x710 [ 2493.033036][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.033036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.033036][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.033036][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.033036][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.033036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.033036][ T73] [ 2493.034601][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2493.034601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2493.034601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2493.034601][ T73] ipv6_find_idev+0x102/0x170 [ 2493.034601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.034601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.034601][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.034601][ T73] netlink_unicast+0x449/0x710 [ 2493.034601][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.034601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.034601][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.034601][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.034601][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.034601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.034601][ T73] [ 2493.036323][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2493.036610][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.036610][ T73] dst_init+0x84/0x4a0 [ 2493.036610][ T73] dst_alloc+0x97/0x150 [ 2493.036610][ T73] ip6_dst_alloc+0x23/0x90 [ 2493.036610][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.036610][ T73] ip6_pol_route+0x56f/0x840 [ 2493.036610][ T73] fib6_rule_lookup+0x456/0x630 [ 2493.036610][ T73] ip6_route_input+0x59c/0xa50 [ 2493.036610][ T73] ipv6_rcv+0x397/0x810 [ 2493.036610][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2493.036610][ T73] process_backlog+0x101/0x620 [ 2493.036610][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2493.036610][ T73] net_rx_action+0x495/0xbe0 [ 2493.036610][ T73] __do_softirq+0x1b5/0x7f6 [ 2493.036610][ T73] [ 2493.038254][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.038254][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.038254][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.038254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.038254][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2493.038254][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2493.038254][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2493.038254][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2493.038254][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2493.038254][ T73] addrconf_dad_begin+0x310/0x670 [ 2493.038254][ T73] addrconf_dad_work+0x10b/0xab0 [ 2493.038254][ T73] process_one_work+0x84d/0x18a0 [ 2493.038254][ T73] worker_thread+0x587/0xd30 [ 2493.038254][ T73] kthread+0x28a/0x350 [ 2493.038254][ T73] ret_from_fork+0x31/0x70 [ 2493.038254][ T73] ret_from_fork_asm+0x1a/0x30 [ 2493.038254][ T73] [ 2493.040173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.040173][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.040173][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.040173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.040173][ T73] ip6_route_add+0x1c/0x140 [ 2493.040173][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2493.040173][ T73] inet6_addr_add+0x4f8/0xa40 [ 2493.040173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.040173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.040173][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.040173][ T73] netlink_unicast+0x449/0x710 [ 2493.040173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.040173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.040173][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.040173][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.040173][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.040173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.040173][ T73] [ 2493.042173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.042173][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.042173][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.042173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.042173][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2493.042173][ T73] ipv6_add_addr+0x411/0x2000 [ 2493.042173][ T73] inet6_addr_add+0x30e/0xa40 [ 2493.042173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.042173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.042173][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.042173][ T73] netlink_unicast+0x449/0x710 [ 2493.042173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.042173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.042173][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.042173][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.042173][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.042173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.042173][ T73] [ 2493.044171][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.044171][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.044171][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.044171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.044171][ T73] ip6_route_add+0x1c/0x140 [ 2493.044171][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.044171][ T73] addrconf_add_dev+0xe2/0x170 [ 2493.044171][ T73] inet6_addr_add+0x12f/0xa40 [ 2493.044171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.044171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.044171][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.044171][ T73] netlink_unicast+0x449/0x710 [ 2493.044171][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.044171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.044171][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.044171][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.044171][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.044171][ T73] [ 2493.046137][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.046137][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2493.046137][ T73] ipv6_find_idev+0x102/0x170 [ 2493.046137][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.046137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.046137][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.046137][ T73] netlink_unicast+0x449/0x710 [ 2493.046137][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.046137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.046137][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.046137][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.046137][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.046137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.046137][ T73] [ 2493.047677][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2493.047677][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2493.047677][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2493.047677][ T73] ipv6_find_idev+0x102/0x170 [ 2493.047677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.047677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.047677][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.047677][ T73] netlink_unicast+0x449/0x710 [ 2493.047677][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.047677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.047677][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.047677][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.047677][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.047677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.047677][ T73] [ 2493.049511][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2493.049792][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.049792][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2493.049792][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2493.049792][ T73] fib6_nh_init+0xa22/0x1580 [ 2493.049792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.049792][ T73] ip6_route_add+0x1c/0x140 [ 2493.049792][ T73] inet6_rtm_newroute+0x104/0x110 [ 2493.049792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.049792][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.049792][ T73] netlink_unicast+0x449/0x710 [ 2493.049792][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.049792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.049792][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.049792][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.049792][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.049792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.049792][ T73] [ 2493.051983][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.051983][ T73] dst_init+0x84/0x4a0 [ 2493.051983][ T73] dst_alloc+0x97/0x150 [ 2493.051983][ T73] ip6_dst_alloc+0x23/0x90 [ 2493.051983][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.051983][ T73] ip6_pol_route+0x56f/0x840 [ 2493.051983][ T73] fib6_rule_lookup+0x456/0x630 [ 2493.051983][ T73] ip6_route_input+0x59c/0xa50 [ 2493.051983][ T73] ipv6_rcv+0x397/0x810 [ 2493.051983][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2493.051983][ T73] process_backlog+0x101/0x620 [ 2493.051983][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2493.051983][ T73] net_rx_action+0x495/0xbe0 [ 2493.051983][ T73] __do_softirq+0x1b5/0x7f6 [ 2493.051983][ T73] [ 2493.053804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.053804][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.053804][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.053804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.053804][ T73] ip6_route_add+0x1c/0x140 [ 2493.053804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2493.053804][ T73] inet6_addr_add+0x4f8/0xa40 [ 2493.053804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.053804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.053804][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.053804][ T73] netlink_unicast+0x449/0x710 [ 2493.053804][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.053804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.053804][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.053804][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.053804][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.053804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.053804][ T73] [ 2493.056047][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.056047][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.056047][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.056047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.056047][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2493.056047][ T73] ipv6_add_addr+0x411/0x2000 [ 2493.056047][ T73] inet6_addr_add+0x30e/0xa40 [ 2493.056047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.056047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.056047][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.056047][ T73] netlink_unicast+0x449/0x710 [ 2493.056047][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.056047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.056047][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.056047][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.056047][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.056047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.056047][ T73] [ 2493.058298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.058298][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.058298][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.058298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.058298][ T73] ip6_route_add+0x1c/0x140 [ 2493.058298][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.058298][ T73] addrconf_add_dev+0xe2/0x170 [ 2493.058298][ T73] inet6_addr_add+0x12f/0xa40 [ 2493.058298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.058298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.058298][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.058298][ T73] netlink_unicast+0x449/0x710 [ 2493.058298][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.058298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.058298][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.058298][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.058298][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.058298][ T73] [ 2493.060607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.060607][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2493.060607][ T73] ipv6_find_idev+0x102/0x170 [ 2493.060607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.060607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.060607][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.060607][ T73] netlink_unicast+0x449/0x710 [ 2493.060607][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.060607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.060607][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.060607][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.060607][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.060607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.060607][ T73] [ 2493.062274][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2493.062274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2493.062274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2493.062274][ T73] ipv6_find_idev+0x102/0x170 [ 2493.062274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.062274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.062274][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.062274][ T73] netlink_unicast+0x449/0x710 [ 2493.062274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.062274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.062274][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.062274][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.062274][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.062274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.062274][ T73] [ 2493.064215][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2493.064501][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2493.064501][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.064501][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.064501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.064501][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2493.064501][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2493.064501][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2493.064501][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2493.064501][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2493.064501][ T73] addrconf_dad_begin+0x310/0x670 [ 2493.064501][ T73] addrconf_dad_work+0x10b/0xab0 [ 2493.064501][ T73] process_one_work+0x84d/0x18a0 [ 2493.064501][ T73] worker_thread+0x587/0xd30 [ 2493.064501][ T73] kthread+0x28a/0x350 [ 2493.064501][ T73] ret_from_fork+0x31/0x70 [ 2493.064501][ T73] ret_from_fork_asm+0x1a/0x30 [ 2493.064501][ T73] [ 2493.066668][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2493.066668][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.066668][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.066668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.066668][ T73] ip6_route_add+0x1c/0x140 [ 2493.066668][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2493.066668][ T73] inet6_addr_add+0x4f8/0xa40 [ 2493.066668][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.066668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.066668][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.066668][ T73] netlink_unicast+0x449/0x710 [ 2493.066668][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.066668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.066668][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.066668][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.066668][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.066668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.066668][ T73] [ 2493.068926][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2493.068926][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.068926][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.068926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.068926][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2493.068926][ T73] ipv6_add_addr+0x411/0x2000 [ 2493.068926][ T73] inet6_addr_add+0x30e/0xa40 [ 2493.068926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.068926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.068926][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.068926][ T73] netlink_unicast+0x449/0x710 [ 2493.068926][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.068926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.068926][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.068926][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.068926][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.068926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.068926][ T73] [ 2493.071173][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2493.071173][ T73] netdev_get_by_index+0x5e/0x80 [ 2493.071173][ T73] fib6_nh_init+0x3d8/0x1580 [ 2493.071173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2493.071173][ T73] ip6_route_add+0x1c/0x140 [ 2493.071173][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.071173][ T73] addrconf_add_dev+0xe2/0x170 [ 2493.071173][ T73] inet6_addr_add+0x12f/0xa40 [ 2493.071173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.071173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.071173][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.071173][ T73] netlink_unicast+0x449/0x710 [ 2493.071173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.071173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.071173][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.071173][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.071173][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.071173][ T73] [ 2493.073382][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2493.073382][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2493.073382][ T73] ipv6_find_idev+0x102/0x170 [ 2493.073382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.073382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.073382][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.073382][ T73] netlink_unicast+0x449/0x710 [ 2493.073382][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.073382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.073382][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.073382][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.073382][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.073382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.073382][ T73] [ 2493.075103][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2493.075103][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2493.075103][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2493.075103][ T73] ipv6_find_idev+0x102/0x170 [ 2493.075103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.075103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.075103][ T73] netlink_rcv_skb+0x130/0x360 [ 2493.075103][ T73] netlink_unicast+0x449/0x710 [ 2493.075103][ T73] netlink_sendmsg+0x723/0xbe0 [ 2493.075103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2493.075103][ T73] ___sys_sendmsg+0xee/0x170 [ 2493.075103][ T73] __sys_sendmsg+0xcd/0x170 [ 2493.075103][ T73] do_syscall_64+0xc6/0x1e0 [ 2493.075103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.075103][ T73] [ 2503.318922][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2503.319377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.319377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2503.319377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2503.319377][ T73] fib6_nh_init+0xa22/0x1580 [ 2503.319377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.319377][ T73] ip6_route_add+0x1c/0x140 [ 2503.319377][ T73] inet6_rtm_newroute+0x104/0x110 [ 2503.319377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.319377][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.319377][ T73] netlink_unicast+0x449/0x710 [ 2503.319377][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.319377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.319377][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.319377][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.319377][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.319377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.319377][ T73] [ 2503.321285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.321285][ T73] dst_init+0x84/0x4a0 [ 2503.321285][ T73] dst_alloc+0x97/0x150 [ 2503.321285][ T73] ip6_dst_alloc+0x23/0x90 [ 2503.321285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.321285][ T73] ip6_pol_route+0x56f/0x840 [ 2503.321285][ T73] fib6_rule_lookup+0x456/0x630 [ 2503.321285][ T73] ip6_route_input+0x59c/0xa50 [ 2503.321285][ T73] ipv6_rcv+0x397/0x810 [ 2503.321285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.321285][ T73] process_backlog+0x101/0x620 [ 2503.321285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2503.321285][ T73] net_rx_action+0x495/0xbe0 [ 2503.321285][ T73] __do_softirq+0x1b5/0x7f6 [ 2503.321285][ T73] [ 2503.322941][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.322941][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.322941][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.322941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.322941][ T73] ip6_route_add+0x1c/0x140 [ 2503.322941][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2503.322941][ T73] inet6_addr_add+0x4f8/0xa40 [ 2503.322941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.322941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.322941][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.322941][ T73] netlink_unicast+0x449/0x710 [ 2503.322941][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.322941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.322941][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.322941][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.322941][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.322941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.322941][ T73] [ 2503.324947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.324947][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.324947][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.324947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.324947][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2503.324947][ T73] ipv6_add_addr+0x411/0x2000 [ 2503.324947][ T73] inet6_addr_add+0x30e/0xa40 [ 2503.324947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.324947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.324947][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.324947][ T73] netlink_unicast+0x449/0x710 [ 2503.324947][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.324947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.324947][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.324947][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.324947][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.324947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.324947][ T73] [ 2503.326972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.326972][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.326972][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.326972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.326972][ T73] ip6_route_add+0x1c/0x140 [ 2503.326972][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.326972][ T73] addrconf_add_dev+0xe2/0x170 [ 2503.326972][ T73] inet6_addr_add+0x12f/0xa40 [ 2503.326972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.326972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.326972][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.326972][ T73] netlink_unicast+0x449/0x710 [ 2503.326972][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.326972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.326972][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.326972][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.326972][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.326972][ T73] [ 2503.328969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.328969][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2503.328969][ T73] ipv6_find_idev+0x102/0x170 [ 2503.328969][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.328969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.328969][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.328969][ T73] netlink_unicast+0x449/0x710 [ 2503.328969][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.328969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.328969][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.328969][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.328969][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.328969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.328969][ T73] [ 2503.330552][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2503.330552][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2503.330552][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2503.330552][ T73] ipv6_find_idev+0x102/0x170 [ 2503.330552][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.330552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.330552][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.330552][ T73] netlink_unicast+0x449/0x710 [ 2503.330552][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.330552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.330552][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.330552][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.330552][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.330552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.330552][ T73] [ 2503.332286][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2503.332571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.332571][ T73] dst_init+0x84/0x4a0 [ 2503.332571][ T73] dst_alloc+0x97/0x150 [ 2503.332571][ T73] ip6_dst_alloc+0x23/0x90 [ 2503.332571][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.332571][ T73] ip6_pol_route+0x56f/0x840 [ 2503.332571][ T73] fib6_rule_lookup+0x456/0x630 [ 2503.332571][ T73] ip6_route_input+0x59c/0xa50 [ 2503.332571][ T73] ipv6_rcv+0x397/0x810 [ 2503.332571][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.332571][ T73] process_backlog+0x101/0x620 [ 2503.332571][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2503.332571][ T73] net_rx_action+0x495/0xbe0 [ 2503.332571][ T73] __do_softirq+0x1b5/0x7f6 [ 2503.332571][ T73] [ 2503.334218][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.334218][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.334218][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.334218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.334218][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2503.334218][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2503.334218][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2503.334218][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2503.334218][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2503.334218][ T73] addrconf_dad_begin+0x310/0x670 [ 2503.334218][ T73] addrconf_dad_work+0x10b/0xab0 [ 2503.334218][ T73] process_one_work+0x84d/0x18a0 [ 2503.334218][ T73] worker_thread+0x587/0xd30 [ 2503.334218][ T73] kthread+0x28a/0x350 [ 2503.334218][ T73] ret_from_fork+0x31/0x70 [ 2503.334218][ T73] ret_from_fork_asm+0x1a/0x30 [ 2503.334218][ T73] [ 2503.336136][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.336136][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.336136][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.336136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.336136][ T73] ip6_route_add+0x1c/0x140 [ 2503.336136][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2503.336136][ T73] inet6_addr_add+0x4f8/0xa40 [ 2503.336136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.336136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.336136][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.336136][ T73] netlink_unicast+0x449/0x710 [ 2503.336136][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.336136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.336136][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.336136][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.336136][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.336136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.336136][ T73] [ 2503.338154][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.338154][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.338154][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.338154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.338154][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2503.338154][ T73] ipv6_add_addr+0x411/0x2000 [ 2503.338154][ T73] inet6_addr_add+0x30e/0xa40 [ 2503.338154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.338154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.338154][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.338154][ T73] netlink_unicast+0x449/0x710 [ 2503.338154][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.338154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.338154][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.338154][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.338154][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.338154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.338154][ T73] [ 2503.340183][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.340183][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.340183][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.340183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.340183][ T73] ip6_route_add+0x1c/0x140 [ 2503.340183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.340183][ T73] addrconf_add_dev+0xe2/0x170 [ 2503.340183][ T73] inet6_addr_add+0x12f/0xa40 [ 2503.340183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.340183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.340183][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.340183][ T73] netlink_unicast+0x449/0x710 [ 2503.340183][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.340183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.340183][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.340183][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.340183][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.340183][ T73] [ 2503.342163][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.342163][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2503.342163][ T73] ipv6_find_idev+0x102/0x170 [ 2503.342163][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.342163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.342163][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.342163][ T73] netlink_unicast+0x449/0x710 [ 2503.342163][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.342163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.342163][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.342163][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.342163][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.342163][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.342163][ T73] [ 2503.343702][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2503.343702][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2503.343702][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2503.343702][ T73] ipv6_find_idev+0x102/0x170 [ 2503.343702][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.343702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.343702][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.343702][ T73] netlink_unicast+0x449/0x710 [ 2503.343702][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.343702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.343702][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.343702][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.343702][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.343702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.343702][ T73] [ 2503.345554][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2503.345841][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.345841][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2503.345841][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2503.345841][ T73] fib6_nh_init+0xa22/0x1580 [ 2503.345841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.345841][ T73] ip6_route_add+0x1c/0x140 [ 2503.345841][ T73] inet6_rtm_newroute+0x104/0x110 [ 2503.345841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.345841][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.345841][ T73] netlink_unicast+0x449/0x710 [ 2503.345841][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.345841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.345841][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.345841][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.345841][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.345841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.345841][ T73] [ 2503.347989][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.347989][ T73] dst_init+0x84/0x4a0 [ 2503.347989][ T73] dst_alloc+0x97/0x150 [ 2503.347989][ T73] ip6_dst_alloc+0x23/0x90 [ 2503.347989][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.347989][ T73] ip6_pol_route+0x56f/0x840 [ 2503.347989][ T73] fib6_rule_lookup+0x456/0x630 [ 2503.347989][ T73] ip6_route_input+0x59c/0xa50 [ 2503.347989][ T73] ipv6_rcv+0x397/0x810 [ 2503.347989][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.347989][ T73] process_backlog+0x101/0x620 [ 2503.347989][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2503.347989][ T73] net_rx_action+0x495/0xbe0 [ 2503.347989][ T73] __do_softirq+0x1b5/0x7f6 [ 2503.347989][ T73] [ 2503.349829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.349829][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.349829][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.349829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.349829][ T73] ip6_route_add+0x1c/0x140 [ 2503.349829][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2503.349829][ T73] inet6_addr_add+0x4f8/0xa40 [ 2503.349829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.349829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.349829][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.349829][ T73] netlink_unicast+0x449/0x710 [ 2503.349829][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.349829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.349829][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.349829][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.349829][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.349829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.349829][ T73] [ 2503.352178][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.352178][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.352178][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.352178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.352178][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2503.352178][ T73] ipv6_add_addr+0x411/0x2000 [ 2503.352178][ T73] inet6_addr_add+0x30e/0xa40 [ 2503.352178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.352178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.352178][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.352178][ T73] netlink_unicast+0x449/0x710 [ 2503.352178][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.352178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.352178][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.352178][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.352178][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.352178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.352178][ T73] [ 2503.354450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.354450][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.354450][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.354450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.354450][ T73] ip6_route_add+0x1c/0x140 [ 2503.354450][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.354450][ T73] addrconf_add_dev+0xe2/0x170 [ 2503.354450][ T73] inet6_addr_add+0x12f/0xa40 [ 2503.354450][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.354450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.354450][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.354450][ T73] netlink_unicast+0x449/0x710 [ 2503.354450][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.354450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.354450][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.354450][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.354450][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.354450][ T73] [ 2503.356679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.356679][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2503.356679][ T73] ipv6_find_idev+0x102/0x170 [ 2503.356679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.356679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.356679][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.356679][ T73] netlink_unicast+0x449/0x710 [ 2503.356679][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.356679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.356679][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.356679][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.356679][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.356679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.356679][ T73] [ 2503.358342][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2503.358342][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2503.358342][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2503.358342][ T73] ipv6_find_idev+0x102/0x170 [ 2503.358342][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.358342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.358342][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.358342][ T73] netlink_unicast+0x449/0x710 [ 2503.358342][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.358342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.358342][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.358342][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.358342][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.358342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.358342][ T73] [ 2503.360359][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2503.360639][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2503.360639][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.360639][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.360639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.360639][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2503.360639][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2503.360639][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2503.360639][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2503.360639][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2503.360639][ T73] addrconf_dad_begin+0x310/0x670 [ 2503.360639][ T73] addrconf_dad_work+0x10b/0xab0 [ 2503.360639][ T73] process_one_work+0x84d/0x18a0 [ 2503.360639][ T73] worker_thread+0x587/0xd30 [ 2503.360639][ T73] kthread+0x28a/0x350 [ 2503.360639][ T73] ret_from_fork+0x31/0x70 [ 2503.360639][ T73] ret_from_fork_asm+0x1a/0x30 [ 2503.360639][ T73] [ 2503.362810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2503.362810][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.362810][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.362810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.362810][ T73] ip6_route_add+0x1c/0x140 [ 2503.362810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2503.362810][ T73] inet6_addr_add+0x4f8/0xa40 [ 2503.362810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.362810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.362810][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.362810][ T73] netlink_unicast+0x449/0x710 [ 2503.362810][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.362810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.362810][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.362810][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.362810][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.362810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.362810][ T73] [ 2503.365078][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2503.365078][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.365078][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.365078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.365078][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2503.365078][ T73] ipv6_add_addr+0x411/0x2000 [ 2503.365078][ T73] inet6_addr_add+0x30e/0xa40 [ 2503.365078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.365078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.365078][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.365078][ T73] netlink_unicast+0x449/0x710 [ 2503.365078][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.365078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.365078][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.365078][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.365078][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.365078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.365078][ T73] [ 2503.367285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2503.367285][ T73] netdev_get_by_index+0x5e/0x80 [ 2503.367285][ T73] fib6_nh_init+0x3d8/0x1580 [ 2503.367285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2503.367285][ T73] ip6_route_add+0x1c/0x140 [ 2503.367285][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.367285][ T73] addrconf_add_dev+0xe2/0x170 [ 2503.367285][ T73] inet6_addr_add+0x12f/0xa40 [ 2503.367285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.367285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.367285][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.367285][ T73] netlink_unicast+0x449/0x710 [ 2503.367285][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.367285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.367285][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.367285][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.367285][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.367285][ T73] [ 2503.369533][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2503.369533][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2503.369533][ T73] ipv6_find_idev+0x102/0x170 [ 2503.369533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.369533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.369533][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.369533][ T73] netlink_unicast+0x449/0x710 [ 2503.369533][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.369533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.369533][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.369533][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.369533][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.369533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.369533][ T73] [ 2503.371339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2503.371339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2503.371339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2503.371339][ T73] ipv6_find_idev+0x102/0x170 [ 2503.371339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.371339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.371339][ T73] netlink_rcv_skb+0x130/0x360 [ 2503.371339][ T73] netlink_unicast+0x449/0x710 [ 2503.371339][ T73] netlink_sendmsg+0x723/0xbe0 [ 2503.371339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2503.371339][ T73] ___sys_sendmsg+0xee/0x170 [ 2503.371339][ T73] __sys_sendmsg+0xcd/0x170 [ 2503.371339][ T73] do_syscall_64+0xc6/0x1e0 [ 2503.371339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.371339][ T73] [ 2513.614987][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2513.615500][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.615500][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2513.615500][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2513.615500][ T73] fib6_nh_init+0xa22/0x1580 [ 2513.615500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.615500][ T73] ip6_route_add+0x1c/0x140 [ 2513.615500][ T73] inet6_rtm_newroute+0x104/0x110 [ 2513.615500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.615500][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.615500][ T73] netlink_unicast+0x449/0x710 [ 2513.615500][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.615500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.615500][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.615500][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.615500][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.615500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.615500][ T73] [ 2513.617397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.617397][ T73] dst_init+0x84/0x4a0 [ 2513.617397][ T73] dst_alloc+0x97/0x150 [ 2513.617397][ T73] ip6_dst_alloc+0x23/0x90 [ 2513.617397][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.617397][ T73] ip6_pol_route+0x56f/0x840 [ 2513.617397][ T73] fib6_rule_lookup+0x456/0x630 [ 2513.617397][ T73] ip6_route_input+0x59c/0xa50 [ 2513.617397][ T73] ipv6_rcv+0x397/0x810 [ 2513.617397][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2513.617397][ T73] process_backlog+0x101/0x620 [ 2513.617397][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2513.617397][ T73] net_rx_action+0x495/0xbe0 [ 2513.617397][ T73] __do_softirq+0x1b5/0x7f6 [ 2513.617397][ T73] [ 2513.619044][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.619044][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.619044][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.619044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.619044][ T73] ip6_route_add+0x1c/0x140 [ 2513.619044][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2513.619044][ T73] inet6_addr_add+0x4f8/0xa40 [ 2513.619044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.619044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.619044][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.619044][ T73] netlink_unicast+0x449/0x710 [ 2513.619044][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.619044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.619044][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.619044][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.619044][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.619044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.619044][ T73] [ 2513.621031][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.621031][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.621031][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.621031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.621031][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2513.621031][ T73] ipv6_add_addr+0x411/0x2000 [ 2513.621031][ T73] inet6_addr_add+0x30e/0xa40 [ 2513.621031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.621031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.621031][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.621031][ T73] netlink_unicast+0x449/0x710 [ 2513.621031][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.621031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.621031][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.621031][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.621031][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.621031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.621031][ T73] [ 2513.623058][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.623058][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.623058][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.623058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.623058][ T73] ip6_route_add+0x1c/0x140 [ 2513.623058][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.623058][ T73] addrconf_add_dev+0xe2/0x170 [ 2513.623058][ T73] inet6_addr_add+0x12f/0xa40 [ 2513.623058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.623058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.623058][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.623058][ T73] netlink_unicast+0x449/0x710 [ 2513.623058][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.623058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.623058][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.623058][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.623058][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.623058][ T73] [ 2513.625013][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.625013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2513.625013][ T73] ipv6_find_idev+0x102/0x170 [ 2513.625013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.625013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.625013][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.625013][ T73] netlink_unicast+0x449/0x710 [ 2513.625013][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.625013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.625013][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.625013][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.625013][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.625013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.625013][ T73] [ 2513.626537][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2513.626537][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2513.626537][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2513.626537][ T73] ipv6_find_idev+0x102/0x170 [ 2513.626537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.626537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.626537][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.626537][ T73] netlink_unicast+0x449/0x710 [ 2513.626537][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.626537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.626537][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.626537][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.626537][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.626537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.626537][ T73] [ 2513.628230][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2513.628511][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.628511][ T73] dst_init+0x84/0x4a0 [ 2513.628511][ T73] dst_alloc+0x97/0x150 [ 2513.628511][ T73] ip6_dst_alloc+0x23/0x90 [ 2513.628511][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.628511][ T73] ip6_pol_route+0x56f/0x840 [ 2513.628511][ T73] fib6_rule_lookup+0x456/0x630 [ 2513.628511][ T73] ip6_route_input+0x59c/0xa50 [ 2513.628511][ T73] ipv6_rcv+0x397/0x810 [ 2513.628511][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2513.628511][ T73] process_backlog+0x101/0x620 [ 2513.628511][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2513.628511][ T73] net_rx_action+0x495/0xbe0 [ 2513.628511][ T73] __do_softirq+0x1b5/0x7f6 [ 2513.628511][ T73] [ 2513.630146][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.630146][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.630146][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.630146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.630146][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2513.630146][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2513.630146][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2513.630146][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2513.630146][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2513.630146][ T73] addrconf_dad_begin+0x310/0x670 [ 2513.630146][ T73] addrconf_dad_work+0x10b/0xab0 [ 2513.630146][ T73] process_one_work+0x84d/0x18a0 [ 2513.630146][ T73] worker_thread+0x587/0xd30 [ 2513.630146][ T73] kthread+0x28a/0x350 [ 2513.630146][ T73] ret_from_fork+0x31/0x70 [ 2513.630146][ T73] ret_from_fork_asm+0x1a/0x30 [ 2513.630146][ T73] [ 2513.632038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.632038][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.632038][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.632038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.632038][ T73] ip6_route_add+0x1c/0x140 [ 2513.632038][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2513.632038][ T73] inet6_addr_add+0x4f8/0xa40 [ 2513.632038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.632038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.632038][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.632038][ T73] netlink_unicast+0x449/0x710 [ 2513.632038][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.632038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.632038][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.632038][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.632038][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.632038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.632038][ T73] [ 2513.634012][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.634012][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.634012][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.634012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.634012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2513.634012][ T73] ipv6_add_addr+0x411/0x2000 [ 2513.634012][ T73] inet6_addr_add+0x30e/0xa40 [ 2513.634012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.634012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.634012][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.634012][ T73] netlink_unicast+0x449/0x710 [ 2513.634012][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.634012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.634012][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.634012][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.634012][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.634012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.634012][ T73] [ 2513.636002][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.636002][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.636002][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.636002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.636002][ T73] ip6_route_add+0x1c/0x140 [ 2513.636002][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.636002][ T73] addrconf_add_dev+0xe2/0x170 [ 2513.636002][ T73] inet6_addr_add+0x12f/0xa40 [ 2513.636002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.636002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.636002][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.636002][ T73] netlink_unicast+0x449/0x710 [ 2513.636002][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.636002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.636002][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.636002][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.636002][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.636002][ T73] [ 2513.637938][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.637938][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2513.637938][ T73] ipv6_find_idev+0x102/0x170 [ 2513.637938][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.637938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.637938][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.637938][ T73] netlink_unicast+0x449/0x710 [ 2513.637938][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.637938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.637938][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.637938][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.637938][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.637938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.637938][ T73] [ 2513.639467][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2513.639467][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2513.639467][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2513.639467][ T73] ipv6_find_idev+0x102/0x170 [ 2513.639467][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.639467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.639467][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.639467][ T73] netlink_unicast+0x449/0x710 [ 2513.639467][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.639467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.639467][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.639467][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.639467][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.639467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.639467][ T73] [ 2513.641271][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2513.641544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.641544][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2513.641544][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2513.641544][ T73] fib6_nh_init+0xa22/0x1580 [ 2513.641544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.641544][ T73] ip6_route_add+0x1c/0x140 [ 2513.641544][ T73] inet6_rtm_newroute+0x104/0x110 [ 2513.641544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.641544][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.641544][ T73] netlink_unicast+0x449/0x710 [ 2513.641544][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.641544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.641544][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.641544][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.641544][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.641544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.641544][ T73] [ 2513.643641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.643641][ T73] dst_init+0x84/0x4a0 [ 2513.643641][ T73] dst_alloc+0x97/0x150 [ 2513.643641][ T73] ip6_dst_alloc+0x23/0x90 [ 2513.643641][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.643641][ T73] ip6_pol_route+0x56f/0x840 [ 2513.643641][ T73] fib6_rule_lookup+0x456/0x630 [ 2513.643641][ T73] ip6_route_input+0x59c/0xa50 [ 2513.643641][ T73] ipv6_rcv+0x397/0x810 [ 2513.643641][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2513.643641][ T73] process_backlog+0x101/0x620 [ 2513.643641][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2513.643641][ T73] net_rx_action+0x495/0xbe0 [ 2513.643641][ T73] __do_softirq+0x1b5/0x7f6 [ 2513.643641][ T73] [ 2513.645442][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.645442][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.645442][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.645442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.645442][ T73] ip6_route_add+0x1c/0x140 [ 2513.645442][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2513.645442][ T73] inet6_addr_add+0x4f8/0xa40 [ 2513.645442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.645442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.645442][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.645442][ T73] netlink_unicast+0x449/0x710 [ 2513.645442][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.645442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.645442][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.645442][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.645442][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.645442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.645442][ T73] [ 2513.647669][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.647669][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.647669][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.647669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.647669][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2513.647669][ T73] ipv6_add_addr+0x411/0x2000 [ 2513.647669][ T73] inet6_addr_add+0x30e/0xa40 [ 2513.647669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.647669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.647669][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.647669][ T73] netlink_unicast+0x449/0x710 [ 2513.647669][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.647669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.647669][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.647669][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.647669][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.647669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.647669][ T73] [ 2513.649899][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.649899][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.649899][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.649899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.649899][ T73] ip6_route_add+0x1c/0x140 [ 2513.649899][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.649899][ T73] addrconf_add_dev+0xe2/0x170 [ 2513.649899][ T73] inet6_addr_add+0x12f/0xa40 [ 2513.649899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.649899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.649899][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.649899][ T73] netlink_unicast+0x449/0x710 [ 2513.649899][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.649899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.649899][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.649899][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.649899][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.649899][ T73] [ 2513.652165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.652165][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2513.652165][ T73] ipv6_find_idev+0x102/0x170 [ 2513.652165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.652165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.652165][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.652165][ T73] netlink_unicast+0x449/0x710 [ 2513.652165][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.652165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.652165][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.652165][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.652165][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.652165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.652165][ T73] [ 2513.653825][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2513.653825][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2513.653825][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2513.653825][ T73] ipv6_find_idev+0x102/0x170 [ 2513.653825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.653825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.653825][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.653825][ T73] netlink_unicast+0x449/0x710 [ 2513.653825][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.653825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.653825][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.653825][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.653825][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.653825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.653825][ T73] [ 2513.655761][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2513.656475][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2513.656475][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.656475][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.656475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.656475][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2513.656475][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2513.656475][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2513.656475][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2513.656475][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2513.656475][ T73] addrconf_dad_begin+0x310/0x670 [ 2513.656475][ T73] addrconf_dad_work+0x10b/0xab0 [ 2513.656475][ T73] process_one_work+0x84d/0x18a0 [ 2513.656475][ T73] worker_thread+0x587/0xd30 [ 2513.656475][ T73] kthread+0x28a/0x350 [ 2513.656475][ T73] ret_from_fork+0x31/0x70 [ 2513.656475][ T73] ret_from_fork_asm+0x1a/0x30 [ 2513.656475][ T73] [ 2513.658366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2513.658366][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.658366][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.658366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.658366][ T73] ip6_route_add+0x1c/0x140 [ 2513.658366][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2513.658366][ T73] inet6_addr_add+0x4f8/0xa40 [ 2513.658366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.658366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.658366][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.658366][ T73] netlink_unicast+0x449/0x710 [ 2513.658366][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.658366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.658366][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.658366][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.658366][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.658366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.658366][ T73] [ 2513.660490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2513.660490][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.660490][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.660490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.660490][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2513.660490][ T73] ipv6_add_addr+0x411/0x2000 [ 2513.660490][ T73] inet6_addr_add+0x30e/0xa40 [ 2513.660490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.660490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.660490][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.660490][ T73] netlink_unicast+0x449/0x710 [ 2513.660490][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.660490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.660490][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.660490][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.660490][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.660490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.660490][ T73] [ 2513.662712][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2513.662712][ T73] netdev_get_by_index+0x5e/0x80 [ 2513.662712][ T73] fib6_nh_init+0x3d8/0x1580 [ 2513.662712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2513.662712][ T73] ip6_route_add+0x1c/0x140 [ 2513.662712][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.662712][ T73] addrconf_add_dev+0xe2/0x170 [ 2513.662712][ T73] inet6_addr_add+0x12f/0xa40 [ 2513.662712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.662712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.662712][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.662712][ T73] netlink_unicast+0x449/0x710 [ 2513.662712][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.662712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.662712][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.662712][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.662712][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.662712][ T73] [ 2513.665420][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2513.665420][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2513.665420][ T73] ipv6_find_idev+0x102/0x170 [ 2513.665420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.665420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.665420][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.665420][ T73] netlink_unicast+0x449/0x710 [ 2513.665420][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.665420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.665420][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.665420][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.665420][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.665420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.665420][ T73] [ 2513.667130][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2513.667130][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2513.667130][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2513.667130][ T73] ipv6_find_idev+0x102/0x170 [ 2513.667130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.667130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.667130][ T73] netlink_rcv_skb+0x130/0x360 [ 2513.667130][ T73] netlink_unicast+0x449/0x710 [ 2513.667130][ T73] netlink_sendmsg+0x723/0xbe0 [ 2513.667130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2513.667130][ T73] ___sys_sendmsg+0xee/0x170 [ 2513.667130][ T73] __sys_sendmsg+0xcd/0x170 [ 2513.667130][ T73] do_syscall_64+0xc6/0x1e0 [ 2513.667130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.667130][ T73] [ 2523.734837][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2523.735284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.735284][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2523.735284][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2523.735284][ T73] fib6_nh_init+0xa22/0x1580 [ 2523.735284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.735284][ T73] ip6_route_add+0x1c/0x140 [ 2523.735284][ T73] inet6_rtm_newroute+0x104/0x110 [ 2523.735284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.735284][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.735284][ T73] netlink_unicast+0x449/0x710 [ 2523.735284][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.735284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.735284][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.735284][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.735284][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.735284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.735284][ T73] [ 2523.737214][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.737214][ T73] dst_init+0x84/0x4a0 [ 2523.737214][ T73] dst_alloc+0x97/0x150 [ 2523.737214][ T73] ip6_dst_alloc+0x23/0x90 [ 2523.737214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.737214][ T73] ip6_pol_route+0x56f/0x840 [ 2523.737214][ T73] fib6_rule_lookup+0x456/0x630 [ 2523.737214][ T73] ip6_route_input+0x59c/0xa50 [ 2523.737214][ T73] ipv6_rcv+0x397/0x810 [ 2523.737214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2523.737214][ T73] process_backlog+0x101/0x620 [ 2523.737214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2523.737214][ T73] net_rx_action+0x495/0xbe0 [ 2523.737214][ T73] __do_softirq+0x1b5/0x7f6 [ 2523.737214][ T73] [ 2523.738874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.738874][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.738874][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.738874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.738874][ T73] ip6_route_add+0x1c/0x140 [ 2523.738874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2523.738874][ T73] inet6_addr_add+0x4f8/0xa40 [ 2523.738874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.738874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.738874][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.738874][ T73] netlink_unicast+0x449/0x710 [ 2523.738874][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.738874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.738874][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.738874][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.738874][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.738874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.738874][ T73] [ 2523.740902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.740902][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.740902][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.740902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.740902][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2523.740902][ T73] ipv6_add_addr+0x411/0x2000 [ 2523.740902][ T73] inet6_addr_add+0x30e/0xa40 [ 2523.740902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.740902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.740902][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.740902][ T73] netlink_unicast+0x449/0x710 [ 2523.740902][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.740902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.740902][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.740902][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.740902][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.740902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.740902][ T73] [ 2523.742913][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.742913][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.742913][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.742913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.742913][ T73] ip6_route_add+0x1c/0x140 [ 2523.742913][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.742913][ T73] addrconf_add_dev+0xe2/0x170 [ 2523.742913][ T73] inet6_addr_add+0x12f/0xa40 [ 2523.742913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.742913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.742913][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.742913][ T73] netlink_unicast+0x449/0x710 [ 2523.742913][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.742913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.742913][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.742913][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.742913][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.742913][ T73] [ 2523.744897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.744897][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2523.744897][ T73] ipv6_find_idev+0x102/0x170 [ 2523.744897][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.744897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.744897][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.744897][ T73] netlink_unicast+0x449/0x710 [ 2523.744897][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.744897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.744897][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.744897][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.744897][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.744897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.744897][ T73] [ 2523.746453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2523.746453][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2523.746453][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2523.746453][ T73] ipv6_find_idev+0x102/0x170 [ 2523.746453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.746453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.746453][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.746453][ T73] netlink_unicast+0x449/0x710 [ 2523.746453][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.746453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.746453][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.746453][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.746453][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.746453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.746453][ T73] [ 2523.748166][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2523.748450][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.748450][ T73] dst_init+0x84/0x4a0 [ 2523.748450][ T73] dst_alloc+0x97/0x150 [ 2523.748450][ T73] ip6_dst_alloc+0x23/0x90 [ 2523.748450][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.748450][ T73] ip6_pol_route+0x56f/0x840 [ 2523.748450][ T73] fib6_rule_lookup+0x456/0x630 [ 2523.748450][ T73] ip6_route_input+0x59c/0xa50 [ 2523.748450][ T73] ipv6_rcv+0x397/0x810 [ 2523.748450][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2523.748450][ T73] process_backlog+0x101/0x620 [ 2523.748450][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2523.748450][ T73] net_rx_action+0x495/0xbe0 [ 2523.748450][ T73] __do_softirq+0x1b5/0x7f6 [ 2523.748450][ T73] [ 2523.750110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.750110][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.750110][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.750110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.750110][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2523.750110][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2523.750110][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2523.750110][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2523.750110][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2523.750110][ T73] addrconf_dad_begin+0x310/0x670 [ 2523.750110][ T73] addrconf_dad_work+0x10b/0xab0 [ 2523.750110][ T73] process_one_work+0x84d/0x18a0 [ 2523.750110][ T73] worker_thread+0x587/0xd30 [ 2523.750110][ T73] kthread+0x28a/0x350 [ 2523.750110][ T73] ret_from_fork+0x31/0x70 [ 2523.750110][ T73] ret_from_fork_asm+0x1a/0x30 [ 2523.750110][ T73] [ 2523.752402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.752402][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.752402][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.752402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.752402][ T73] ip6_route_add+0x1c/0x140 [ 2523.752402][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2523.752402][ T73] inet6_addr_add+0x4f8/0xa40 [ 2523.752402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.752402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.752402][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.752402][ T73] netlink_unicast+0x449/0x710 [ 2523.752402][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.752402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.752402][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.752402][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.752402][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.752402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.752402][ T73] [ 2523.754418][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.754418][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.754418][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.754418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.754418][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2523.754418][ T73] ipv6_add_addr+0x411/0x2000 [ 2523.754418][ T73] inet6_addr_add+0x30e/0xa40 [ 2523.754418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.754418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.754418][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.754418][ T73] netlink_unicast+0x449/0x710 [ 2523.754418][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.754418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.754418][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.754418][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.754418][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.754418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.754418][ T73] [ 2523.756421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.756421][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.756421][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.756421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.756421][ T73] ip6_route_add+0x1c/0x140 [ 2523.756421][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.756421][ T73] addrconf_add_dev+0xe2/0x170 [ 2523.756421][ T73] inet6_addr_add+0x12f/0xa40 [ 2523.756421][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.756421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.756421][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.756421][ T73] netlink_unicast+0x449/0x710 [ 2523.756421][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.756421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.756421][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.756421][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.756421][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.756421][ T73] [ 2523.758397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.758397][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2523.758397][ T73] ipv6_find_idev+0x102/0x170 [ 2523.758397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.758397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.758397][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.758397][ T73] netlink_unicast+0x449/0x710 [ 2523.758397][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.758397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.758397][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.758397][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.758397][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.758397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.758397][ T73] [ 2523.759961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2523.759961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2523.759961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2523.759961][ T73] ipv6_find_idev+0x102/0x170 [ 2523.759961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.759961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.759961][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.759961][ T73] netlink_unicast+0x449/0x710 [ 2523.759961][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.759961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.759961][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.759961][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.759961][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.759961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.759961][ T73] [ 2523.761806][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2523.762081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.762081][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2523.762081][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2523.762081][ T73] fib6_nh_init+0xa22/0x1580 [ 2523.762081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.762081][ T73] ip6_route_add+0x1c/0x140 [ 2523.762081][ T73] inet6_rtm_newroute+0x104/0x110 [ 2523.762081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.762081][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.762081][ T73] netlink_unicast+0x449/0x710 [ 2523.762081][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.762081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.762081][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.762081][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.762081][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.762081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.762081][ T73] [ 2523.764226][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.764226][ T73] dst_init+0x84/0x4a0 [ 2523.764226][ T73] dst_alloc+0x97/0x150 [ 2523.764226][ T73] ip6_dst_alloc+0x23/0x90 [ 2523.764226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.764226][ T73] ip6_pol_route+0x56f/0x840 [ 2523.764226][ T73] fib6_rule_lookup+0x456/0x630 [ 2523.764226][ T73] ip6_route_input+0x59c/0xa50 [ 2523.764226][ T73] ipv6_rcv+0x397/0x810 [ 2523.764226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2523.764226][ T73] process_backlog+0x101/0x620 [ 2523.764226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2523.764226][ T73] net_rx_action+0x495/0xbe0 [ 2523.764226][ T73] __do_softirq+0x1b5/0x7f6 [ 2523.764226][ T73] [ 2523.766090][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.766090][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.766090][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.766090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.766090][ T73] ip6_route_add+0x1c/0x140 [ 2523.766090][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2523.766090][ T73] inet6_addr_add+0x4f8/0xa40 [ 2523.766090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.766090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.766090][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.766090][ T73] netlink_unicast+0x449/0x710 [ 2523.766090][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.766090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.766090][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.766090][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.766090][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.766090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.766090][ T73] [ 2523.768948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.768948][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.768948][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.768948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.768948][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2523.768948][ T73] ipv6_add_addr+0x411/0x2000 [ 2523.768948][ T73] inet6_addr_add+0x30e/0xa40 [ 2523.768948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.768948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.768948][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.768948][ T73] netlink_unicast+0x449/0x710 [ 2523.768948][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.768948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.768948][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.768948][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.768948][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.768948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.768948][ T73] [ 2523.771203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.771203][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.771203][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.771203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.771203][ T73] ip6_route_add+0x1c/0x140 [ 2523.771203][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.771203][ T73] addrconf_add_dev+0xe2/0x170 [ 2523.771203][ T73] inet6_addr_add+0x12f/0xa40 [ 2523.771203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.771203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.771203][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.771203][ T73] netlink_unicast+0x449/0x710 [ 2523.771203][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.771203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.771203][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.771203][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.771203][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.771203][ T73] [ 2523.773436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.773436][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2523.773436][ T73] ipv6_find_idev+0x102/0x170 [ 2523.773436][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.773436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.773436][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.773436][ T73] netlink_unicast+0x449/0x710 [ 2523.773436][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.773436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.773436][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.773436][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.773436][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.773436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.773436][ T73] [ 2523.775098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2523.775098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2523.775098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2523.775098][ T73] ipv6_find_idev+0x102/0x170 [ 2523.775098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.775098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.775098][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.775098][ T73] netlink_unicast+0x449/0x710 [ 2523.775098][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.775098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.775098][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.775098][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.775098][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.775098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.775098][ T73] [ 2523.777037][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2523.777315][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2523.777315][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.777315][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.777315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.777315][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2523.777315][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2523.777315][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2523.777315][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2523.777315][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2523.777315][ T73] addrconf_dad_begin+0x310/0x670 [ 2523.777315][ T73] addrconf_dad_work+0x10b/0xab0 [ 2523.777315][ T73] process_one_work+0x84d/0x18a0 [ 2523.777315][ T73] worker_thread+0x587/0xd30 [ 2523.777315][ T73] kthread+0x28a/0x350 [ 2523.777315][ T73] ret_from_fork+0x31/0x70 [ 2523.777315][ T73] ret_from_fork_asm+0x1a/0x30 [ 2523.777315][ T73] [ 2523.779571][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2523.779571][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.779571][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.779571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.779571][ T73] ip6_route_add+0x1c/0x140 [ 2523.779571][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2523.779571][ T73] inet6_addr_add+0x4f8/0xa40 [ 2523.779571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.779571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.779571][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.779571][ T73] netlink_unicast+0x449/0x710 [ 2523.779571][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.779571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.779571][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.779571][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.779571][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.779571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.779571][ T73] [ 2523.781846][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2523.781846][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.781846][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.781846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.781846][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2523.781846][ T73] ipv6_add_addr+0x411/0x2000 [ 2523.781846][ T73] inet6_addr_add+0x30e/0xa40 [ 2523.781846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.781846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.781846][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.781846][ T73] netlink_unicast+0x449/0x710 [ 2523.781846][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.781846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.781846][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.781846][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.781846][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.781846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.781846][ T73] [ 2523.784054][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2523.784054][ T73] netdev_get_by_index+0x5e/0x80 [ 2523.784054][ T73] fib6_nh_init+0x3d8/0x1580 [ 2523.784054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2523.784054][ T73] ip6_route_add+0x1c/0x140 [ 2523.784054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.784054][ T73] addrconf_add_dev+0xe2/0x170 [ 2523.784054][ T73] inet6_addr_add+0x12f/0xa40 [ 2523.784054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.784054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.784054][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.784054][ T73] netlink_unicast+0x449/0x710 [ 2523.784054][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.784054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.784054][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.784054][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.784054][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.784054][ T73] [ 2523.786290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2523.786290][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2523.786290][ T73] ipv6_find_idev+0x102/0x170 [ 2523.786290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.786290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.786290][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.786290][ T73] netlink_unicast+0x449/0x710 [ 2523.786290][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.786290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.786290][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.786290][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.786290][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.786290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.786290][ T73] [ 2523.788103][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2523.788103][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2523.788103][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2523.788103][ T73] ipv6_find_idev+0x102/0x170 [ 2523.788103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.788103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.788103][ T73] netlink_rcv_skb+0x130/0x360 [ 2523.788103][ T73] netlink_unicast+0x449/0x710 [ 2523.788103][ T73] netlink_sendmsg+0x723/0xbe0 [ 2523.788103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2523.788103][ T73] ___sys_sendmsg+0xee/0x170 [ 2523.788103][ T73] __sys_sendmsg+0xcd/0x170 [ 2523.788103][ T73] do_syscall_64+0xc6/0x1e0 [ 2523.788103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.788103][ T73] [ 2533.934866][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2533.935275][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.935275][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2533.935275][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2533.935275][ T73] fib6_nh_init+0xa22/0x1580 [ 2533.935275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.935275][ T73] ip6_route_add+0x1c/0x140 [ 2533.935275][ T73] inet6_rtm_newroute+0x104/0x110 [ 2533.935275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.935275][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.935275][ T73] netlink_unicast+0x449/0x710 [ 2533.935275][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.935275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.935275][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.935275][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.935275][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.935275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.935275][ T73] [ 2533.937189][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.937189][ T73] dst_init+0x84/0x4a0 [ 2533.937189][ T73] dst_alloc+0x97/0x150 [ 2533.937189][ T73] ip6_dst_alloc+0x23/0x90 [ 2533.937189][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.937189][ T73] ip6_pol_route+0x56f/0x840 [ 2533.937189][ T73] fib6_rule_lookup+0x456/0x630 [ 2533.937189][ T73] ip6_route_input+0x59c/0xa50 [ 2533.937189][ T73] ipv6_rcv+0x397/0x810 [ 2533.937189][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2533.937189][ T73] process_backlog+0x101/0x620 [ 2533.937189][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2533.937189][ T73] net_rx_action+0x495/0xbe0 [ 2533.937189][ T73] __do_softirq+0x1b5/0x7f6 [ 2533.937189][ T73] [ 2533.938859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.938859][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.938859][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.938859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.938859][ T73] ip6_route_add+0x1c/0x140 [ 2533.938859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2533.938859][ T73] inet6_addr_add+0x4f8/0xa40 [ 2533.938859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.938859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.938859][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.938859][ T73] netlink_unicast+0x449/0x710 [ 2533.938859][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.938859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.938859][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.938859][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.938859][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.938859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.938859][ T73] [ 2533.940892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.940892][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.940892][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.940892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.940892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2533.940892][ T73] ipv6_add_addr+0x411/0x2000 [ 2533.940892][ T73] inet6_addr_add+0x30e/0xa40 [ 2533.940892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.940892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.940892][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.940892][ T73] netlink_unicast+0x449/0x710 [ 2533.940892][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.940892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.940892][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.940892][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.940892][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.940892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.940892][ T73] [ 2533.942884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.942884][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.942884][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.942884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.942884][ T73] ip6_route_add+0x1c/0x140 [ 2533.942884][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.942884][ T73] addrconf_add_dev+0xe2/0x170 [ 2533.942884][ T73] inet6_addr_add+0x12f/0xa40 [ 2533.942884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.942884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.942884][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.942884][ T73] netlink_unicast+0x449/0x710 [ 2533.942884][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.942884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.942884][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.942884][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.942884][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.942884][ T73] [ 2533.944856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.944856][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2533.944856][ T73] ipv6_find_idev+0x102/0x170 [ 2533.944856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.944856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.944856][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.944856][ T73] netlink_unicast+0x449/0x710 [ 2533.944856][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.944856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.944856][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.944856][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.944856][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.944856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.944856][ T73] [ 2533.946784][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2533.946784][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2533.946784][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2533.946784][ T73] ipv6_find_idev+0x102/0x170 [ 2533.946784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.946784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.946784][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.946784][ T73] netlink_unicast+0x449/0x710 [ 2533.946784][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.946784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.946784][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.946784][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.946784][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.946784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.946784][ T73] [ 2533.948499][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2533.948787][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.948787][ T73] dst_init+0x84/0x4a0 [ 2533.948787][ T73] dst_alloc+0x97/0x150 [ 2533.948787][ T73] ip6_dst_alloc+0x23/0x90 [ 2533.948787][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.948787][ T73] ip6_pol_route+0x56f/0x840 [ 2533.948787][ T73] fib6_rule_lookup+0x456/0x630 [ 2533.948787][ T73] ip6_route_input+0x59c/0xa50 [ 2533.948787][ T73] ipv6_rcv+0x397/0x810 [ 2533.948787][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2533.948787][ T73] process_backlog+0x101/0x620 [ 2533.948787][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2533.948787][ T73] net_rx_action+0x495/0xbe0 [ 2533.948787][ T73] __do_softirq+0x1b5/0x7f6 [ 2533.948787][ T73] [ 2533.950434][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.950434][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.950434][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.950434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.950434][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2533.950434][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2533.950434][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2533.950434][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2533.950434][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2533.950434][ T73] addrconf_dad_begin+0x310/0x670 [ 2533.950434][ T73] addrconf_dad_work+0x10b/0xab0 [ 2533.950434][ T73] process_one_work+0x84d/0x18a0 [ 2533.950434][ T73] worker_thread+0x587/0xd30 [ 2533.950434][ T73] kthread+0x28a/0x350 [ 2533.950434][ T73] ret_from_fork+0x31/0x70 [ 2533.950434][ T73] ret_from_fork_asm+0x1a/0x30 [ 2533.950434][ T73] [ 2533.952326][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.952326][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.952326][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.952326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.952326][ T73] ip6_route_add+0x1c/0x140 [ 2533.952326][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2533.952326][ T73] inet6_addr_add+0x4f8/0xa40 [ 2533.952326][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.952326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.952326][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.952326][ T73] netlink_unicast+0x449/0x710 [ 2533.952326][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.952326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.952326][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.952326][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.952326][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.952326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.952326][ T73] [ 2533.954310][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.954310][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.954310][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.954310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.954310][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2533.954310][ T73] ipv6_add_addr+0x411/0x2000 [ 2533.954310][ T73] inet6_addr_add+0x30e/0xa40 [ 2533.954310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.954310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.954310][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.954310][ T73] netlink_unicast+0x449/0x710 [ 2533.954310][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.954310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.954310][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.954310][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.954310][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.954310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.954310][ T73] [ 2533.956302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.956302][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.956302][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.956302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.956302][ T73] ip6_route_add+0x1c/0x140 [ 2533.956302][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.956302][ T73] addrconf_add_dev+0xe2/0x170 [ 2533.956302][ T73] inet6_addr_add+0x12f/0xa40 [ 2533.956302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.956302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.956302][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.956302][ T73] netlink_unicast+0x449/0x710 [ 2533.956302][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.956302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.956302][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.956302][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.956302][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.956302][ T73] [ 2533.958267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.958267][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2533.958267][ T73] ipv6_find_idev+0x102/0x170 [ 2533.958267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.958267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.958267][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.958267][ T73] netlink_unicast+0x449/0x710 [ 2533.958267][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.958267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.958267][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.958267][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.958267][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.958267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.958267][ T73] [ 2533.959802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2533.959802][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2533.959802][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2533.959802][ T73] ipv6_find_idev+0x102/0x170 [ 2533.959802][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.959802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.959802][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.959802][ T73] netlink_unicast+0x449/0x710 [ 2533.959802][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.959802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.959802][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.959802][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.959802][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.959802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.959802][ T73] [ 2533.961535][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2533.961812][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.961812][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2533.961812][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2533.961812][ T73] fib6_nh_init+0xa22/0x1580 [ 2533.961812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.961812][ T73] ip6_route_add+0x1c/0x140 [ 2533.961812][ T73] inet6_rtm_newroute+0x104/0x110 [ 2533.961812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.961812][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.961812][ T73] netlink_unicast+0x449/0x710 [ 2533.961812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.961812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.961812][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.961812][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.961812][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.961812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.961812][ T73] [ 2533.963982][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.963982][ T73] dst_init+0x84/0x4a0 [ 2533.963982][ T73] dst_alloc+0x97/0x150 [ 2533.963982][ T73] ip6_dst_alloc+0x23/0x90 [ 2533.963982][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.963982][ T73] ip6_pol_route+0x56f/0x840 [ 2533.963982][ T73] fib6_rule_lookup+0x456/0x630 [ 2533.963982][ T73] ip6_route_input+0x59c/0xa50 [ 2533.963982][ T73] ipv6_rcv+0x397/0x810 [ 2533.963982][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2533.963982][ T73] process_backlog+0x101/0x620 [ 2533.963982][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2533.963982][ T73] net_rx_action+0x495/0xbe0 [ 2533.963982][ T73] __do_softirq+0x1b5/0x7f6 [ 2533.963982][ T73] [ 2533.965803][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.965803][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.965803][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.965803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.965803][ T73] ip6_route_add+0x1c/0x140 [ 2533.965803][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2533.965803][ T73] inet6_addr_add+0x4f8/0xa40 [ 2533.965803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.965803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.965803][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.965803][ T73] netlink_unicast+0x449/0x710 [ 2533.965803][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.965803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.965803][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.965803][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.965803][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.965803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.965803][ T73] [ 2533.968033][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.968033][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.968033][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.968033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.968033][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2533.968033][ T73] ipv6_add_addr+0x411/0x2000 [ 2533.968033][ T73] inet6_addr_add+0x30e/0xa40 [ 2533.968033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.968033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.968033][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.968033][ T73] netlink_unicast+0x449/0x710 [ 2533.968033][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.968033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.968033][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.968033][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.968033][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.968033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.968033][ T73] [ 2533.970217][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.970217][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.970217][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.970217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.970217][ T73] ip6_route_add+0x1c/0x140 [ 2533.970217][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.970217][ T73] addrconf_add_dev+0xe2/0x170 [ 2533.970217][ T73] inet6_addr_add+0x12f/0xa40 [ 2533.970217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.970217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.970217][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.970217][ T73] netlink_unicast+0x449/0x710 [ 2533.970217][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.970217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.970217][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.970217][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.970217][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.970217][ T73] [ 2533.972475][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.972475][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2533.972475][ T73] ipv6_find_idev+0x102/0x170 [ 2533.972475][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.972475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.972475][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.972475][ T73] netlink_unicast+0x449/0x710 [ 2533.972475][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.972475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.972475][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.972475][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.972475][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.972475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.972475][ T73] [ 2533.974187][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2533.974187][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2533.974187][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2533.974187][ T73] ipv6_find_idev+0x102/0x170 [ 2533.974187][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.974187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.974187][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.974187][ T73] netlink_unicast+0x449/0x710 [ 2533.974187][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.974187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.974187][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.974187][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.974187][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.974187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.974187][ T73] [ 2533.976114][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2533.976386][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2533.976386][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.976386][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.976386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.976386][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2533.976386][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2533.976386][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2533.976386][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2533.976386][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2533.976386][ T73] addrconf_dad_begin+0x310/0x670 [ 2533.976386][ T73] addrconf_dad_work+0x10b/0xab0 [ 2533.976386][ T73] process_one_work+0x84d/0x18a0 [ 2533.976386][ T73] worker_thread+0x587/0xd30 [ 2533.976386][ T73] kthread+0x28a/0x350 [ 2533.976386][ T73] ret_from_fork+0x31/0x70 [ 2533.976386][ T73] ret_from_fork_asm+0x1a/0x30 [ 2533.976386][ T73] [ 2533.978531][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2533.978531][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.978531][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.978531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.978531][ T73] ip6_route_add+0x1c/0x140 [ 2533.978531][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2533.978531][ T73] inet6_addr_add+0x4f8/0xa40 [ 2533.978531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.978531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.978531][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.978531][ T73] netlink_unicast+0x449/0x710 [ 2533.978531][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.978531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.978531][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.978531][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.978531][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.978531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.978531][ T73] [ 2533.980705][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2533.980705][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.980705][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.980705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.980705][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2533.980705][ T73] ipv6_add_addr+0x411/0x2000 [ 2533.980705][ T73] inet6_addr_add+0x30e/0xa40 [ 2533.980705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.980705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.980705][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.980705][ T73] netlink_unicast+0x449/0x710 [ 2533.980705][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.980705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.980705][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.980705][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.980705][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.980705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.980705][ T73] [ 2533.982992][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2533.982992][ T73] netdev_get_by_index+0x5e/0x80 [ 2533.982992][ T73] fib6_nh_init+0x3d8/0x1580 [ 2533.982992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2533.982992][ T73] ip6_route_add+0x1c/0x140 [ 2533.982992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.982992][ T73] addrconf_add_dev+0xe2/0x170 [ 2533.982992][ T73] inet6_addr_add+0x12f/0xa40 [ 2533.982992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.982992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.982992][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.982992][ T73] netlink_unicast+0x449/0x710 [ 2533.982992][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.982992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.982992][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.982992][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.982992][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.982992][ T73] [ 2533.985196][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2533.985196][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2533.985196][ T73] ipv6_find_idev+0x102/0x170 [ 2533.985196][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.985196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.985196][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.985196][ T73] netlink_unicast+0x449/0x710 [ 2533.985196][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.985196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.985196][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.985196][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.985196][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.985196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.985196][ T73] [ 2533.986925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2533.986925][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2533.986925][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2533.986925][ T73] ipv6_find_idev+0x102/0x170 [ 2533.986925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.986925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.986925][ T73] netlink_rcv_skb+0x130/0x360 [ 2533.986925][ T73] netlink_unicast+0x449/0x710 [ 2533.986925][ T73] netlink_sendmsg+0x723/0xbe0 [ 2533.986925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2533.986925][ T73] ___sys_sendmsg+0xee/0x170 [ 2533.986925][ T73] __sys_sendmsg+0xcd/0x170 [ 2533.986925][ T73] do_syscall_64+0xc6/0x1e0 [ 2533.986925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.986925][ T73] [ 2544.142924][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2544.143347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.143347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2544.143347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2544.143347][ T73] fib6_nh_init+0xa22/0x1580 [ 2544.143347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.143347][ T73] ip6_route_add+0x1c/0x140 [ 2544.143347][ T73] inet6_rtm_newroute+0x104/0x110 [ 2544.143347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.143347][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.143347][ T73] netlink_unicast+0x449/0x710 [ 2544.143347][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.143347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.143347][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.143347][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.143347][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.143347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.143347][ T73] [ 2544.145248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.145248][ T73] dst_init+0x84/0x4a0 [ 2544.145248][ T73] dst_alloc+0x97/0x150 [ 2544.145248][ T73] ip6_dst_alloc+0x23/0x90 [ 2544.145248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.145248][ T73] ip6_pol_route+0x56f/0x840 [ 2544.145248][ T73] fib6_rule_lookup+0x456/0x630 [ 2544.145248][ T73] ip6_route_input+0x59c/0xa50 [ 2544.145248][ T73] ipv6_rcv+0x397/0x810 [ 2544.145248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2544.145248][ T73] process_backlog+0x101/0x620 [ 2544.145248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2544.145248][ T73] net_rx_action+0x495/0xbe0 [ 2544.145248][ T73] __do_softirq+0x1b5/0x7f6 [ 2544.145248][ T73] [ 2544.146937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.146937][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.146937][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.146937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.146937][ T73] ip6_route_add+0x1c/0x140 [ 2544.146937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2544.146937][ T73] inet6_addr_add+0x4f8/0xa40 [ 2544.146937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.146937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.146937][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.146937][ T73] netlink_unicast+0x449/0x710 [ 2544.146937][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.146937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.146937][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.146937][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.146937][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.146937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.146937][ T73] [ 2544.148972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.148972][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.148972][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.148972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.148972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2544.148972][ T73] ipv6_add_addr+0x411/0x2000 [ 2544.148972][ T73] inet6_addr_add+0x30e/0xa40 [ 2544.148972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.148972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.148972][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.148972][ T73] netlink_unicast+0x449/0x710 [ 2544.148972][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.148972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.148972][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.148972][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.148972][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.148972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.148972][ T73] [ 2544.151018][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.151018][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.151018][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.151018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.151018][ T73] ip6_route_add+0x1c/0x140 [ 2544.151018][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.151018][ T73] addrconf_add_dev+0xe2/0x170 [ 2544.151018][ T73] inet6_addr_add+0x12f/0xa40 [ 2544.151018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.151018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.151018][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.151018][ T73] netlink_unicast+0x449/0x710 [ 2544.151018][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.151018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.151018][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.151018][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.151018][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.151018][ T73] [ 2544.152996][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.152996][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2544.152996][ T73] ipv6_find_idev+0x102/0x170 [ 2544.152996][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.152996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.152996][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.152996][ T73] netlink_unicast+0x449/0x710 [ 2544.152996][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.152996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.152996][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.152996][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.152996][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.152996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.152996][ T73] [ 2544.154963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2544.154963][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2544.154963][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2544.154963][ T73] ipv6_find_idev+0x102/0x170 [ 2544.154963][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.154963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.154963][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.154963][ T73] netlink_unicast+0x449/0x710 [ 2544.154963][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.154963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.154963][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.154963][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.154963][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.154963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.154963][ T73] [ 2544.156656][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2544.156941][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.156941][ T73] dst_init+0x84/0x4a0 [ 2544.156941][ T73] dst_alloc+0x97/0x150 [ 2544.156941][ T73] ip6_dst_alloc+0x23/0x90 [ 2544.156941][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.156941][ T73] ip6_pol_route+0x56f/0x840 [ 2544.156941][ T73] fib6_rule_lookup+0x456/0x630 [ 2544.156941][ T73] ip6_route_input+0x59c/0xa50 [ 2544.156941][ T73] ipv6_rcv+0x397/0x810 [ 2544.156941][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2544.156941][ T73] process_backlog+0x101/0x620 [ 2544.156941][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2544.156941][ T73] net_rx_action+0x495/0xbe0 [ 2544.156941][ T73] __do_softirq+0x1b5/0x7f6 [ 2544.156941][ T73] [ 2544.158599][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.158599][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.158599][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.158599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.158599][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2544.158599][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2544.158599][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2544.158599][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2544.158599][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2544.158599][ T73] addrconf_dad_begin+0x310/0x670 [ 2544.158599][ T73] addrconf_dad_work+0x10b/0xab0 [ 2544.158599][ T73] process_one_work+0x84d/0x18a0 [ 2544.158599][ T73] worker_thread+0x587/0xd30 [ 2544.158599][ T73] kthread+0x28a/0x350 [ 2544.158599][ T73] ret_from_fork+0x31/0x70 [ 2544.158599][ T73] ret_from_fork_asm+0x1a/0x30 [ 2544.158599][ T73] [ 2544.160518][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.160518][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.160518][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.160518][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.160518][ T73] ip6_route_add+0x1c/0x140 [ 2544.160518][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2544.160518][ T73] inet6_addr_add+0x4f8/0xa40 [ 2544.160518][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.160518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.160518][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.160518][ T73] netlink_unicast+0x449/0x710 [ 2544.160518][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.160518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.160518][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.160518][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.160518][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.160518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.160518][ T73] [ 2544.162528][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.162528][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.162528][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.162528][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.162528][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2544.162528][ T73] ipv6_add_addr+0x411/0x2000 [ 2544.162528][ T73] inet6_addr_add+0x30e/0xa40 [ 2544.162528][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.162528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.162528][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.162528][ T73] netlink_unicast+0x449/0x710 [ 2544.162528][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.162528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.162528][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.162528][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.162528][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.162528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.162528][ T73] [ 2544.164569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.164569][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.164569][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.164569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.164569][ T73] ip6_route_add+0x1c/0x140 [ 2544.164569][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.164569][ T73] addrconf_add_dev+0xe2/0x170 [ 2544.164569][ T73] inet6_addr_add+0x12f/0xa40 [ 2544.164569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.164569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.164569][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.164569][ T73] netlink_unicast+0x449/0x710 [ 2544.164569][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.164569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.164569][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.164569][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.164569][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.164569][ T73] [ 2544.166540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.166540][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2544.166540][ T73] ipv6_find_idev+0x102/0x170 [ 2544.166540][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.166540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.166540][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.166540][ T73] netlink_unicast+0x449/0x710 [ 2544.166540][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.166540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.166540][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.166540][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.166540][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.166540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.166540][ T73] [ 2544.168115][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2544.168115][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2544.168115][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2544.168115][ T73] ipv6_find_idev+0x102/0x170 [ 2544.168115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.168115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.168115][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.168115][ T73] netlink_unicast+0x449/0x710 [ 2544.168115][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.168115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.168115][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.168115][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.168115][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.168115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.168115][ T73] [ 2544.169963][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2544.170247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.170247][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2544.170247][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2544.170247][ T73] fib6_nh_init+0xa22/0x1580 [ 2544.170247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.170247][ T73] ip6_route_add+0x1c/0x140 [ 2544.170247][ T73] inet6_rtm_newroute+0x104/0x110 [ 2544.170247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.170247][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.170247][ T73] netlink_unicast+0x449/0x710 [ 2544.170247][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.170247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.170247][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.170247][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.170247][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.170247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.170247][ T73] [ 2544.172492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.172492][ T73] dst_init+0x84/0x4a0 [ 2544.172492][ T73] dst_alloc+0x97/0x150 [ 2544.172492][ T73] ip6_dst_alloc+0x23/0x90 [ 2544.172492][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.172492][ T73] ip6_pol_route+0x56f/0x840 [ 2544.172492][ T73] fib6_rule_lookup+0x456/0x630 [ 2544.172492][ T73] ip6_route_input+0x59c/0xa50 [ 2544.172492][ T73] ipv6_rcv+0x397/0x810 [ 2544.172492][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2544.172492][ T73] process_backlog+0x101/0x620 [ 2544.172492][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2544.172492][ T73] net_rx_action+0x495/0xbe0 [ 2544.172492][ T73] __do_softirq+0x1b5/0x7f6 [ 2544.172492][ T73] [ 2544.174314][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.174314][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.174314][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.174314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.174314][ T73] ip6_route_add+0x1c/0x140 [ 2544.174314][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2544.174314][ T73] inet6_addr_add+0x4f8/0xa40 [ 2544.174314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.174314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.174314][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.174314][ T73] netlink_unicast+0x449/0x710 [ 2544.174314][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.174314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.174314][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.174314][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.174314][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.174314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.174314][ T73] [ 2544.176585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.176585][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.176585][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.176585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.176585][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2544.176585][ T73] ipv6_add_addr+0x411/0x2000 [ 2544.176585][ T73] inet6_addr_add+0x30e/0xa40 [ 2544.176585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.176585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.176585][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.176585][ T73] netlink_unicast+0x449/0x710 [ 2544.176585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.176585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.176585][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.176585][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.176585][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.176585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.176585][ T73] [ 2544.178804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.178804][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.178804][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.178804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.178804][ T73] ip6_route_add+0x1c/0x140 [ 2544.178804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.178804][ T73] addrconf_add_dev+0xe2/0x170 [ 2544.178804][ T73] inet6_addr_add+0x12f/0xa40 [ 2544.178804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.178804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.178804][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.178804][ T73] netlink_unicast+0x449/0x710 [ 2544.178804][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.178804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.178804][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.178804][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.178804][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.178804][ T73] [ 2544.181055][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.181055][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2544.181055][ T73] ipv6_find_idev+0x102/0x170 [ 2544.181055][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.181055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.181055][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.181055][ T73] netlink_unicast+0x449/0x710 [ 2544.181055][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.181055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.181055][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.181055][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.181055][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.181055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.181055][ T73] [ 2544.182772][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2544.182772][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2544.182772][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2544.182772][ T73] ipv6_find_idev+0x102/0x170 [ 2544.182772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.182772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.182772][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.182772][ T73] netlink_unicast+0x449/0x710 [ 2544.182772][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.182772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.182772][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.182772][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.182772][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.182772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.182772][ T73] [ 2544.184754][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2544.185090][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2544.185090][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.185090][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.185090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.185090][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2544.185090][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2544.185090][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2544.185090][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2544.185090][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2544.185090][ T73] addrconf_dad_begin+0x310/0x670 [ 2544.185090][ T73] addrconf_dad_work+0x10b/0xab0 [ 2544.185090][ T73] process_one_work+0x84d/0x18a0 [ 2544.185090][ T73] worker_thread+0x587/0xd30 [ 2544.185090][ T73] kthread+0x28a/0x350 [ 2544.185090][ T73] ret_from_fork+0x31/0x70 [ 2544.185090][ T73] ret_from_fork_asm+0x1a/0x30 [ 2544.185090][ T73] [ 2544.187112][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2544.187112][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.187112][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.187112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.187112][ T73] ip6_route_add+0x1c/0x140 [ 2544.187112][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2544.187112][ T73] inet6_addr_add+0x4f8/0xa40 [ 2544.187112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.187112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.187112][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.187112][ T73] netlink_unicast+0x449/0x710 [ 2544.187112][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.187112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.187112][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.187112][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.187112][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.187112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.187112][ T73] [ 2544.189356][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2544.189356][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.189356][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.189356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.189356][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2544.189356][ T73] ipv6_add_addr+0x411/0x2000 [ 2544.189356][ T73] inet6_addr_add+0x30e/0xa40 [ 2544.189356][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.189356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.189356][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.189356][ T73] netlink_unicast+0x449/0x710 [ 2544.189356][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.189356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.189356][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.189356][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.189356][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.189356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.189356][ T73] [ 2544.191642][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2544.191642][ T73] netdev_get_by_index+0x5e/0x80 [ 2544.191642][ T73] fib6_nh_init+0x3d8/0x1580 [ 2544.191642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2544.191642][ T73] ip6_route_add+0x1c/0x140 [ 2544.191642][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.191642][ T73] addrconf_add_dev+0xe2/0x170 [ 2544.191642][ T73] inet6_addr_add+0x12f/0xa40 [ 2544.191642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.191642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.191642][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.191642][ T73] netlink_unicast+0x449/0x710 [ 2544.191642][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.191642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.191642][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.191642][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.191642][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.191642][ T73] [ 2544.193874][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2544.193874][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2544.193874][ T73] ipv6_find_idev+0x102/0x170 [ 2544.193874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.193874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.193874][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.193874][ T73] netlink_unicast+0x449/0x710 [ 2544.193874][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.193874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.193874][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.193874][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.193874][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.193874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.193874][ T73] [ 2544.195625][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2544.195625][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2544.195625][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2544.195625][ T73] ipv6_find_idev+0x102/0x170 [ 2544.195625][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.195625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.195625][ T73] netlink_rcv_skb+0x130/0x360 [ 2544.195625][ T73] netlink_unicast+0x449/0x710 [ 2544.195625][ T73] netlink_sendmsg+0x723/0xbe0 [ 2544.195625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2544.195625][ T73] ___sys_sendmsg+0xee/0x170 [ 2544.195625][ T73] __sys_sendmsg+0xcd/0x170 [ 2544.195625][ T73] do_syscall_64+0xc6/0x1e0 [ 2544.195625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.195625][ T73] [ 2554.198906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2554.199359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.199359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2554.199359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2554.199359][ T73] fib6_nh_init+0xa22/0x1580 [ 2554.199359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.199359][ T73] ip6_route_add+0x1c/0x140 [ 2554.199359][ T73] inet6_rtm_newroute+0x104/0x110 [ 2554.199359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.199359][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.199359][ T73] netlink_unicast+0x449/0x710 [ 2554.199359][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.199359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.199359][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.199359][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.199359][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.199359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.199359][ T73] [ 2554.201311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.201311][ T73] dst_init+0x84/0x4a0 [ 2554.201311][ T73] dst_alloc+0x97/0x150 [ 2554.201311][ T73] ip6_dst_alloc+0x23/0x90 [ 2554.201311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.201311][ T73] ip6_pol_route+0x56f/0x840 [ 2554.201311][ T73] fib6_rule_lookup+0x456/0x630 [ 2554.201311][ T73] ip6_route_input+0x59c/0xa50 [ 2554.201311][ T73] ipv6_rcv+0x397/0x810 [ 2554.201311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2554.201311][ T73] process_backlog+0x101/0x620 [ 2554.201311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2554.201311][ T73] net_rx_action+0x495/0xbe0 [ 2554.201311][ T73] __do_softirq+0x1b5/0x7f6 [ 2554.201311][ T73] [ 2554.202969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.202969][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.202969][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.202969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.202969][ T73] ip6_route_add+0x1c/0x140 [ 2554.202969][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2554.202969][ T73] inet6_addr_add+0x4f8/0xa40 [ 2554.202969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.202969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.202969][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.202969][ T73] netlink_unicast+0x449/0x710 [ 2554.202969][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.202969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.202969][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.202969][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.202969][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.202969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.202969][ T73] [ 2554.204995][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.204995][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.204995][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.204995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.204995][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2554.204995][ T73] ipv6_add_addr+0x411/0x2000 [ 2554.204995][ T73] inet6_addr_add+0x30e/0xa40 [ 2554.204995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.204995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.204995][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.204995][ T73] netlink_unicast+0x449/0x710 [ 2554.204995][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.204995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.204995][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.204995][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.204995][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.204995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.204995][ T73] [ 2554.206993][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.206993][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.206993][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.206993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.206993][ T73] ip6_route_add+0x1c/0x140 [ 2554.206993][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.206993][ T73] addrconf_add_dev+0xe2/0x170 [ 2554.206993][ T73] inet6_addr_add+0x12f/0xa40 [ 2554.206993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.206993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.206993][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.206993][ T73] netlink_unicast+0x449/0x710 [ 2554.206993][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.206993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.206993][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.206993][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.206993][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.206993][ T73] [ 2554.209006][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.209006][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2554.209006][ T73] ipv6_find_idev+0x102/0x170 [ 2554.209006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.209006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.209006][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.209006][ T73] netlink_unicast+0x449/0x710 [ 2554.209006][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.209006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.209006][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.209006][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.209006][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.209006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.209006][ T73] [ 2554.210560][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2554.210560][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2554.210560][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2554.210560][ T73] ipv6_find_idev+0x102/0x170 [ 2554.210560][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.210560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.210560][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.210560][ T73] netlink_unicast+0x449/0x710 [ 2554.210560][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.210560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.210560][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.210560][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.210560][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.210560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.210560][ T73] [ 2554.212280][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2554.212554][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.212554][ T73] dst_init+0x84/0x4a0 [ 2554.212554][ T73] dst_alloc+0x97/0x150 [ 2554.212554][ T73] ip6_dst_alloc+0x23/0x90 [ 2554.212554][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.212554][ T73] ip6_pol_route+0x56f/0x840 [ 2554.212554][ T73] fib6_rule_lookup+0x456/0x630 [ 2554.212554][ T73] ip6_route_input+0x59c/0xa50 [ 2554.212554][ T73] ipv6_rcv+0x397/0x810 [ 2554.212554][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2554.212554][ T73] process_backlog+0x101/0x620 [ 2554.212554][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2554.212554][ T73] net_rx_action+0x495/0xbe0 [ 2554.212554][ T73] __do_softirq+0x1b5/0x7f6 [ 2554.212554][ T73] [ 2554.214216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.214216][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.214216][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.214216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.214216][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2554.214216][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2554.214216][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2554.214216][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2554.214216][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2554.214216][ T73] addrconf_dad_begin+0x310/0x670 [ 2554.214216][ T73] addrconf_dad_work+0x10b/0xab0 [ 2554.214216][ T73] process_one_work+0x84d/0x18a0 [ 2554.214216][ T73] worker_thread+0x587/0xd30 [ 2554.214216][ T73] kthread+0x28a/0x350 [ 2554.214216][ T73] ret_from_fork+0x31/0x70 [ 2554.214216][ T73] ret_from_fork_asm+0x1a/0x30 [ 2554.214216][ T73] [ 2554.216143][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.216143][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.216143][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.216143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.216143][ T73] ip6_route_add+0x1c/0x140 [ 2554.216143][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2554.216143][ T73] inet6_addr_add+0x4f8/0xa40 [ 2554.216143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.216143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.216143][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.216143][ T73] netlink_unicast+0x449/0x710 [ 2554.216143][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.216143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.216143][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.216143][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.216143][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.216143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.216143][ T73] [ 2554.218173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.218173][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.218173][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.218173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.218173][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2554.218173][ T73] ipv6_add_addr+0x411/0x2000 [ 2554.218173][ T73] inet6_addr_add+0x30e/0xa40 [ 2554.218173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.218173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.218173][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.218173][ T73] netlink_unicast+0x449/0x710 [ 2554.218173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.218173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.218173][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.218173][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.218173][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.218173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.218173][ T73] [ 2554.220206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.220206][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.220206][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.220206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.220206][ T73] ip6_route_add+0x1c/0x140 [ 2554.220206][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.220206][ T73] addrconf_add_dev+0xe2/0x170 [ 2554.220206][ T73] inet6_addr_add+0x12f/0xa40 [ 2554.220206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.220206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.220206][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.220206][ T73] netlink_unicast+0x449/0x710 [ 2554.220206][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.220206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.220206][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.220206][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.220206][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.220206][ T73] [ 2554.222178][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.222178][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2554.222178][ T73] ipv6_find_idev+0x102/0x170 [ 2554.222178][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.222178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.222178][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.222178][ T73] netlink_unicast+0x449/0x710 [ 2554.222178][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.222178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.222178][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.222178][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.222178][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.222178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.222178][ T73] [ 2554.223715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2554.223715][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2554.223715][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2554.223715][ T73] ipv6_find_idev+0x102/0x170 [ 2554.223715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.223715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.223715][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.223715][ T73] netlink_unicast+0x449/0x710 [ 2554.223715][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.223715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.223715][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.223715][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.223715][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.223715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.223715][ T73] [ 2554.225551][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2554.225826][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.225826][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2554.225826][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2554.225826][ T73] fib6_nh_init+0xa22/0x1580 [ 2554.225826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.225826][ T73] ip6_route_add+0x1c/0x140 [ 2554.225826][ T73] inet6_rtm_newroute+0x104/0x110 [ 2554.225826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.225826][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.225826][ T73] netlink_unicast+0x449/0x710 [ 2554.225826][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.225826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.225826][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.225826][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.225826][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.225826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.225826][ T73] [ 2554.227960][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.227960][ T73] dst_init+0x84/0x4a0 [ 2554.227960][ T73] dst_alloc+0x97/0x150 [ 2554.227960][ T73] ip6_dst_alloc+0x23/0x90 [ 2554.227960][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.227960][ T73] ip6_pol_route+0x56f/0x840 [ 2554.227960][ T73] fib6_rule_lookup+0x456/0x630 [ 2554.227960][ T73] ip6_route_input+0x59c/0xa50 [ 2554.227960][ T73] ipv6_rcv+0x397/0x810 [ 2554.227960][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2554.227960][ T73] process_backlog+0x101/0x620 [ 2554.227960][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2554.227960][ T73] net_rx_action+0x495/0xbe0 [ 2554.227960][ T73] __do_softirq+0x1b5/0x7f6 [ 2554.227960][ T73] [ 2554.229832][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.229832][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.229832][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.229832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.229832][ T73] ip6_route_add+0x1c/0x140 [ 2554.229832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2554.229832][ T73] inet6_addr_add+0x4f8/0xa40 [ 2554.229832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.229832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.229832][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.229832][ T73] netlink_unicast+0x449/0x710 [ 2554.229832][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.229832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.229832][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.229832][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.229832][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.229832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.229832][ T73] [ 2554.232171][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.232171][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.232171][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.232171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.232171][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2554.232171][ T73] ipv6_add_addr+0x411/0x2000 [ 2554.232171][ T73] inet6_addr_add+0x30e/0xa40 [ 2554.232171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.232171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.232171][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.232171][ T73] netlink_unicast+0x449/0x710 [ 2554.232171][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.232171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.232171][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.232171][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.232171][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.232171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.232171][ T73] [ 2554.234416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.234416][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.234416][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.234416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.234416][ T73] ip6_route_add+0x1c/0x140 [ 2554.234416][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.234416][ T73] addrconf_add_dev+0xe2/0x170 [ 2554.234416][ T73] inet6_addr_add+0x12f/0xa40 [ 2554.234416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.234416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.234416][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.234416][ T73] netlink_unicast+0x449/0x710 [ 2554.234416][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.234416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.234416][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.234416][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.234416][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.234416][ T73] [ 2554.236643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.236643][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2554.236643][ T73] ipv6_find_idev+0x102/0x170 [ 2554.236643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.236643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.236643][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.236643][ T73] netlink_unicast+0x449/0x710 [ 2554.236643][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.236643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.236643][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.236643][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.236643][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.236643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.236643][ T73] [ 2554.238378][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2554.238378][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2554.238378][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2554.238378][ T73] ipv6_find_idev+0x102/0x170 [ 2554.238378][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.238378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.238378][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.238378][ T73] netlink_unicast+0x449/0x710 [ 2554.238378][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.238378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.238378][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.238378][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.238378][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.238378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.238378][ T73] [ 2554.240313][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2554.240606][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2554.240606][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.240606][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.240606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.240606][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2554.240606][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2554.240606][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2554.240606][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2554.240606][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2554.240606][ T73] addrconf_dad_begin+0x310/0x670 [ 2554.240606][ T73] addrconf_dad_work+0x10b/0xab0 [ 2554.240606][ T73] process_one_work+0x84d/0x18a0 [ 2554.240606][ T73] worker_thread+0x587/0xd30 [ 2554.240606][ T73] kthread+0x28a/0x350 [ 2554.240606][ T73] ret_from_fork+0x31/0x70 [ 2554.240606][ T73] ret_from_fork_asm+0x1a/0x30 [ 2554.240606][ T73] [ 2554.242847][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2554.242847][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.242847][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.242847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.242847][ T73] ip6_route_add+0x1c/0x140 [ 2554.242847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2554.242847][ T73] inet6_addr_add+0x4f8/0xa40 [ 2554.242847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.242847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.242847][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.242847][ T73] netlink_unicast+0x449/0x710 [ 2554.242847][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.242847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.242847][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.242847][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.242847][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.242847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.242847][ T73] [ 2554.245099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2554.245099][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.245099][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.245099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.245099][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2554.245099][ T73] ipv6_add_addr+0x411/0x2000 [ 2554.245099][ T73] inet6_addr_add+0x30e/0xa40 [ 2554.245099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.245099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.245099][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.245099][ T73] netlink_unicast+0x449/0x710 [ 2554.245099][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.245099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.245099][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.245099][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.245099][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.245099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.245099][ T73] [ 2554.247333][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2554.247333][ T73] netdev_get_by_index+0x5e/0x80 [ 2554.247333][ T73] fib6_nh_init+0x3d8/0x1580 [ 2554.247333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2554.247333][ T73] ip6_route_add+0x1c/0x140 [ 2554.247333][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.247333][ T73] addrconf_add_dev+0xe2/0x170 [ 2554.247333][ T73] inet6_addr_add+0x12f/0xa40 [ 2554.247333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.247333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.247333][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.247333][ T73] netlink_unicast+0x449/0x710 [ 2554.247333][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.247333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.247333][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.247333][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.247333][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.247333][ T73] [ 2554.249490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2554.249490][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2554.249490][ T73] ipv6_find_idev+0x102/0x170 [ 2554.249490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.249490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.249490][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.249490][ T73] netlink_unicast+0x449/0x710 [ 2554.249490][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.249490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.249490][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.249490][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.249490][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.249490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.249490][ T73] [ 2554.251292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2554.251292][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2554.251292][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2554.251292][ T73] ipv6_find_idev+0x102/0x170 [ 2554.251292][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.251292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.251292][ T73] netlink_rcv_skb+0x130/0x360 [ 2554.251292][ T73] netlink_unicast+0x449/0x710 [ 2554.251292][ T73] netlink_sendmsg+0x723/0xbe0 [ 2554.251292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2554.251292][ T73] ___sys_sendmsg+0xee/0x170 [ 2554.251292][ T73] __sys_sendmsg+0xcd/0x170 [ 2554.251292][ T73] do_syscall_64+0xc6/0x1e0 [ 2554.251292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.251292][ T73] [ 2564.374869][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2564.375352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.375352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2564.375352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2564.375352][ T73] fib6_nh_init+0xa22/0x1580 [ 2564.375352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.375352][ T73] ip6_route_add+0x1c/0x140 [ 2564.375352][ T73] inet6_rtm_newroute+0x104/0x110 [ 2564.375352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.375352][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.375352][ T73] netlink_unicast+0x449/0x710 [ 2564.375352][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.375352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.375352][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.375352][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.375352][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.375352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.375352][ T73] [ 2564.377258][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.377258][ T73] dst_init+0x84/0x4a0 [ 2564.377258][ T73] dst_alloc+0x97/0x150 [ 2564.377258][ T73] ip6_dst_alloc+0x23/0x90 [ 2564.377258][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.377258][ T73] ip6_pol_route+0x56f/0x840 [ 2564.377258][ T73] fib6_rule_lookup+0x456/0x630 [ 2564.377258][ T73] ip6_route_input+0x59c/0xa50 [ 2564.377258][ T73] ipv6_rcv+0x397/0x810 [ 2564.377258][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2564.377258][ T73] process_backlog+0x101/0x620 [ 2564.377258][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2564.377258][ T73] net_rx_action+0x495/0xbe0 [ 2564.377258][ T73] __do_softirq+0x1b5/0x7f6 [ 2564.377258][ T73] [ 2564.378917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.378917][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.378917][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.378917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.378917][ T73] ip6_route_add+0x1c/0x140 [ 2564.378917][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2564.378917][ T73] inet6_addr_add+0x4f8/0xa40 [ 2564.378917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.378917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.378917][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.378917][ T73] netlink_unicast+0x449/0x710 [ 2564.378917][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.378917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.378917][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.378917][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.378917][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.378917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.378917][ T73] [ 2564.380987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.380987][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.380987][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.380987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.380987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2564.380987][ T73] ipv6_add_addr+0x411/0x2000 [ 2564.380987][ T73] inet6_addr_add+0x30e/0xa40 [ 2564.380987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.380987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.380987][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.380987][ T73] netlink_unicast+0x449/0x710 [ 2564.380987][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.380987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.380987][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.380987][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.380987][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.380987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.380987][ T73] [ 2564.383426][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.383426][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.383426][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.383426][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.383426][ T73] ip6_route_add+0x1c/0x140 [ 2564.383426][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.383426][ T73] addrconf_add_dev+0xe2/0x170 [ 2564.383426][ T73] inet6_addr_add+0x12f/0xa40 [ 2564.383426][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.383426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.383426][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.383426][ T73] netlink_unicast+0x449/0x710 [ 2564.383426][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.383426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.383426][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.383426][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.383426][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.383426][ T73] [ 2564.385816][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.385816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2564.385816][ T73] ipv6_find_idev+0x102/0x170 [ 2564.385816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.385816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.385816][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.385816][ T73] netlink_unicast+0x449/0x710 [ 2564.385816][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.385816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.385816][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.385816][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.385816][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.385816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.385816][ T73] [ 2564.387696][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2564.387696][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2564.387696][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2564.387696][ T73] ipv6_find_idev+0x102/0x170 [ 2564.387696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.387696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.387696][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.387696][ T73] netlink_unicast+0x449/0x710 [ 2564.387696][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.387696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.387696][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.387696][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.387696][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.387696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.387696][ T73] [ 2564.389789][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2564.390120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.390120][ T73] dst_init+0x84/0x4a0 [ 2564.390120][ T73] dst_alloc+0x97/0x150 [ 2564.390120][ T73] ip6_dst_alloc+0x23/0x90 [ 2564.390120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.390120][ T73] ip6_pol_route+0x56f/0x840 [ 2564.390120][ T73] fib6_rule_lookup+0x456/0x630 [ 2564.390120][ T73] ip6_route_input+0x59c/0xa50 [ 2564.390120][ T73] ipv6_rcv+0x397/0x810 [ 2564.390120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2564.390120][ T73] process_backlog+0x101/0x620 [ 2564.390120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2564.390120][ T73] net_rx_action+0x495/0xbe0 [ 2564.390120][ T73] __do_softirq+0x1b5/0x7f6 [ 2564.390120][ T73] [ 2564.392133][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.392133][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.392133][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.392133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.392133][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2564.392133][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2564.392133][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2564.392133][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2564.392133][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2564.392133][ T73] addrconf_dad_begin+0x310/0x670 [ 2564.392133][ T73] addrconf_dad_work+0x10b/0xab0 [ 2564.392133][ T73] process_one_work+0x84d/0x18a0 [ 2564.392133][ T73] worker_thread+0x587/0xd30 [ 2564.392133][ T73] kthread+0x28a/0x350 [ 2564.392133][ T73] ret_from_fork+0x31/0x70 [ 2564.392133][ T73] ret_from_fork_asm+0x1a/0x30 [ 2564.392133][ T73] [ 2564.394465][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.394465][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.394465][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.394465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.394465][ T73] ip6_route_add+0x1c/0x140 [ 2564.394465][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2564.394465][ T73] inet6_addr_add+0x4f8/0xa40 [ 2564.394465][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.394465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.394465][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.394465][ T73] netlink_unicast+0x449/0x710 [ 2564.394465][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.394465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.394465][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.394465][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.394465][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.394465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.394465][ T73] [ 2564.396899][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.396899][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.396899][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.396899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.396899][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2564.396899][ T73] ipv6_add_addr+0x411/0x2000 [ 2564.396899][ T73] inet6_addr_add+0x30e/0xa40 [ 2564.396899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.396899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.396899][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.396899][ T73] netlink_unicast+0x449/0x710 [ 2564.396899][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.396899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.396899][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.396899][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.396899][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.396899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.396899][ T73] [ 2564.399342][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.399342][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.399342][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.399342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.399342][ T73] ip6_route_add+0x1c/0x140 [ 2564.399342][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.399342][ T73] addrconf_add_dev+0xe2/0x170 [ 2564.399342][ T73] inet6_addr_add+0x12f/0xa40 [ 2564.399342][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.399342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.399342][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.399342][ T73] netlink_unicast+0x449/0x710 [ 2564.399342][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.399342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.399342][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.399342][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.399342][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.399342][ T73] [ 2564.401736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.401736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2564.401736][ T73] ipv6_find_idev+0x102/0x170 [ 2564.401736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.401736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.401736][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.401736][ T73] netlink_unicast+0x449/0x710 [ 2564.401736][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.401736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.401736][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.401736][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.401736][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.401736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.401736][ T73] [ 2564.403608][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2564.403608][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2564.403608][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2564.403608][ T73] ipv6_find_idev+0x102/0x170 [ 2564.403608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.403608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.403608][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.403608][ T73] netlink_unicast+0x449/0x710 [ 2564.403608][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.403608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.403608][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.403608][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.403608][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.403608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.403608][ T73] [ 2564.405735][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2564.406074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.406074][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2564.406074][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2564.406074][ T73] fib6_nh_init+0xa22/0x1580 [ 2564.406074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.406074][ T73] ip6_route_add+0x1c/0x140 [ 2564.406074][ T73] inet6_rtm_newroute+0x104/0x110 [ 2564.406074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.406074][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.406074][ T73] netlink_unicast+0x449/0x710 [ 2564.406074][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.406074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.406074][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.406074][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.406074][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.406074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.406074][ T73] [ 2564.408495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.408495][ T73] dst_init+0x84/0x4a0 [ 2564.408495][ T73] dst_alloc+0x97/0x150 [ 2564.408495][ T73] ip6_dst_alloc+0x23/0x90 [ 2564.408495][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.408495][ T73] ip6_pol_route+0x56f/0x840 [ 2564.408495][ T73] fib6_rule_lookup+0x456/0x630 [ 2564.408495][ T73] ip6_route_input+0x59c/0xa50 [ 2564.408495][ T73] ipv6_rcv+0x397/0x810 [ 2564.408495][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2564.408495][ T73] process_backlog+0x101/0x620 [ 2564.408495][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2564.408495][ T73] net_rx_action+0x495/0xbe0 [ 2564.408495][ T73] __do_softirq+0x1b5/0x7f6 [ 2564.408495][ T73] [ 2564.410619][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.410619][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.410619][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.410619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.410619][ T73] ip6_route_add+0x1c/0x140 [ 2564.410619][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2564.410619][ T73] inet6_addr_add+0x4f8/0xa40 [ 2564.410619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.410619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.410619][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.410619][ T73] netlink_unicast+0x449/0x710 [ 2564.410619][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.410619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.410619][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.410619][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.410619][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.410619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.410619][ T73] [ 2564.413176][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.413176][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.413176][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.413176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.413176][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2564.413176][ T73] ipv6_add_addr+0x411/0x2000 [ 2564.413176][ T73] inet6_addr_add+0x30e/0xa40 [ 2564.413176][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.413176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.413176][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.413176][ T73] netlink_unicast+0x449/0x710 [ 2564.413176][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.413176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.413176][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.413176][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.413176][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.413176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.413176][ T73] [ 2564.415667][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.415667][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.415667][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.415667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.415667][ T73] ip6_route_add+0x1c/0x140 [ 2564.415667][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.415667][ T73] addrconf_add_dev+0xe2/0x170 [ 2564.415667][ T73] inet6_addr_add+0x12f/0xa40 [ 2564.415667][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.415667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.415667][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.415667][ T73] netlink_unicast+0x449/0x710 [ 2564.415667][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.415667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.415667][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.415667][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.415667][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.415667][ T73] [ 2564.418185][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.418185][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2564.418185][ T73] ipv6_find_idev+0x102/0x170 [ 2564.418185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.418185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.418185][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.418185][ T73] netlink_unicast+0x449/0x710 [ 2564.418185][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.418185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.418185][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.418185][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.418185][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.418185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.418185][ T73] [ 2564.420191][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2564.420191][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2564.420191][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2564.420191][ T73] ipv6_find_idev+0x102/0x170 [ 2564.420191][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.420191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.420191][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.420191][ T73] netlink_unicast+0x449/0x710 [ 2564.420191][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.420191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.420191][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.420191][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.420191][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.420191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.420191][ T73] [ 2564.422368][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2564.422699][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2564.422699][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.422699][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.422699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.422699][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2564.422699][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2564.422699][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2564.422699][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2564.422699][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2564.422699][ T73] addrconf_dad_begin+0x310/0x670 [ 2564.422699][ T73] addrconf_dad_work+0x10b/0xab0 [ 2564.422699][ T73] process_one_work+0x84d/0x18a0 [ 2564.422699][ T73] worker_thread+0x587/0xd30 [ 2564.422699][ T73] kthread+0x28a/0x350 [ 2564.422699][ T73] ret_from_fork+0x31/0x70 [ 2564.422699][ T73] ret_from_fork_asm+0x1a/0x30 [ 2564.422699][ T73] [ 2564.425152][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2564.425152][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.425152][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.425152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.425152][ T73] ip6_route_add+0x1c/0x140 [ 2564.425152][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2564.425152][ T73] inet6_addr_add+0x4f8/0xa40 [ 2564.425152][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.425152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.425152][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.425152][ T73] netlink_unicast+0x449/0x710 [ 2564.425152][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.425152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.425152][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.425152][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.425152][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.425152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.425152][ T73] [ 2564.427763][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2564.427763][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.427763][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.427763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.427763][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2564.427763][ T73] ipv6_add_addr+0x411/0x2000 [ 2564.427763][ T73] inet6_addr_add+0x30e/0xa40 [ 2564.427763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.427763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.427763][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.427763][ T73] netlink_unicast+0x449/0x710 [ 2564.427763][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.427763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.427763][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.427763][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.427763][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.427763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.427763][ T73] [ 2564.430410][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2564.430410][ T73] netdev_get_by_index+0x5e/0x80 [ 2564.430410][ T73] fib6_nh_init+0x3d8/0x1580 [ 2564.430410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2564.430410][ T73] ip6_route_add+0x1c/0x140 [ 2564.430410][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.430410][ T73] addrconf_add_dev+0xe2/0x170 [ 2564.430410][ T73] inet6_addr_add+0x12f/0xa40 [ 2564.430410][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.430410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.430410][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.430410][ T73] netlink_unicast+0x449/0x710 [ 2564.430410][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.430410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.430410][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.430410][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.430410][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.430410][ T73] [ 2564.432611][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2564.432611][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2564.432611][ T73] ipv6_find_idev+0x102/0x170 [ 2564.432611][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.432611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.432611][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.432611][ T73] netlink_unicast+0x449/0x710 [ 2564.432611][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.432611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.432611][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.432611][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.432611][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.432611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.432611][ T73] [ 2564.434332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2564.434332][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2564.434332][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2564.434332][ T73] ipv6_find_idev+0x102/0x170 [ 2564.434332][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.434332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.434332][ T73] netlink_rcv_skb+0x130/0x360 [ 2564.434332][ T73] netlink_unicast+0x449/0x710 [ 2564.434332][ T73] netlink_sendmsg+0x723/0xbe0 [ 2564.434332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2564.434332][ T73] ___sys_sendmsg+0xee/0x170 [ 2564.434332][ T73] __sys_sendmsg+0xcd/0x170 [ 2564.434332][ T73] do_syscall_64+0xc6/0x1e0 [ 2564.434332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.434332][ T73] [ 2574.454891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2574.455333][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.455333][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2574.455333][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2574.455333][ T73] fib6_nh_init+0xa22/0x1580 [ 2574.455333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.455333][ T73] ip6_route_add+0x1c/0x140 [ 2574.455333][ T73] inet6_rtm_newroute+0x104/0x110 [ 2574.455333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.455333][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.455333][ T73] netlink_unicast+0x449/0x710 [ 2574.455333][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.455333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.455333][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.455333][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.455333][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.455333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.455333][ T73] [ 2574.457451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.457451][ T73] dst_init+0x84/0x4a0 [ 2574.457451][ T73] dst_alloc+0x97/0x150 [ 2574.457451][ T73] ip6_dst_alloc+0x23/0x90 [ 2574.457451][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.457451][ T73] ip6_pol_route+0x56f/0x840 [ 2574.457451][ T73] fib6_rule_lookup+0x456/0x630 [ 2574.457451][ T73] ip6_route_input+0x59c/0xa50 [ 2574.457451][ T73] ipv6_rcv+0x397/0x810 [ 2574.457451][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2574.457451][ T73] process_backlog+0x101/0x620 [ 2574.457451][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2574.457451][ T73] net_rx_action+0x495/0xbe0 [ 2574.457451][ T73] __do_softirq+0x1b5/0x7f6 [ 2574.457451][ T73] [ 2574.459285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.459285][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.459285][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.459285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.459285][ T73] ip6_route_add+0x1c/0x140 [ 2574.459285][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2574.459285][ T73] inet6_addr_add+0x4f8/0xa40 [ 2574.459285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.459285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.459285][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.459285][ T73] netlink_unicast+0x449/0x710 [ 2574.459285][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.459285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.459285][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.459285][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.459285][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.459285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.459285][ T73] [ 2574.461558][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.461558][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.461558][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.461558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.461558][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2574.461558][ T73] ipv6_add_addr+0x411/0x2000 [ 2574.461558][ T73] inet6_addr_add+0x30e/0xa40 [ 2574.461558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.461558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.461558][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.461558][ T73] netlink_unicast+0x449/0x710 [ 2574.461558][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.461558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.461558][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.461558][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.461558][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.461558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.461558][ T73] [ 2574.463834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.463834][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.463834][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.463834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.463834][ T73] ip6_route_add+0x1c/0x140 [ 2574.463834][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.463834][ T73] addrconf_add_dev+0xe2/0x170 [ 2574.463834][ T73] inet6_addr_add+0x12f/0xa40 [ 2574.463834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.463834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.463834][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.463834][ T73] netlink_unicast+0x449/0x710 [ 2574.463834][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.463834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.463834][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.463834][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.463834][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.463834][ T73] [ 2574.466062][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.466062][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2574.466062][ T73] ipv6_find_idev+0x102/0x170 [ 2574.466062][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.466062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.466062][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.466062][ T73] netlink_unicast+0x449/0x710 [ 2574.466062][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.466062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.466062][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.466062][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.466062][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.466062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.466062][ T73] [ 2574.467727][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2574.467727][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2574.467727][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2574.467727][ T73] ipv6_find_idev+0x102/0x170 [ 2574.467727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.467727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.467727][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.467727][ T73] netlink_unicast+0x449/0x710 [ 2574.467727][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.467727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.467727][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.467727][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.467727][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.467727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.467727][ T73] [ 2574.469622][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2574.469928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.469928][ T73] dst_init+0x84/0x4a0 [ 2574.469928][ T73] dst_alloc+0x97/0x150 [ 2574.469928][ T73] ip6_dst_alloc+0x23/0x90 [ 2574.469928][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.469928][ T73] ip6_pol_route+0x56f/0x840 [ 2574.469928][ T73] fib6_rule_lookup+0x456/0x630 [ 2574.469928][ T73] ip6_route_input+0x59c/0xa50 [ 2574.469928][ T73] ipv6_rcv+0x397/0x810 [ 2574.469928][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2574.469928][ T73] process_backlog+0x101/0x620 [ 2574.469928][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2574.469928][ T73] net_rx_action+0x495/0xbe0 [ 2574.469928][ T73] __do_softirq+0x1b5/0x7f6 [ 2574.469928][ T73] [ 2574.471802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.471802][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.471802][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.471802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.471802][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2574.471802][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2574.471802][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2574.471802][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2574.471802][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2574.471802][ T73] addrconf_dad_begin+0x310/0x670 [ 2574.471802][ T73] addrconf_dad_work+0x10b/0xab0 [ 2574.471802][ T73] process_one_work+0x84d/0x18a0 [ 2574.471802][ T73] worker_thread+0x587/0xd30 [ 2574.471802][ T73] kthread+0x28a/0x350 [ 2574.471802][ T73] ret_from_fork+0x31/0x70 [ 2574.471802][ T73] ret_from_fork_asm+0x1a/0x30 [ 2574.471802][ T73] [ 2574.474024][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.474024][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.474024][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.474024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.474024][ T73] ip6_route_add+0x1c/0x140 [ 2574.474024][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2574.474024][ T73] inet6_addr_add+0x4f8/0xa40 [ 2574.474024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.474024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.474024][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.474024][ T73] netlink_unicast+0x449/0x710 [ 2574.474024][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.474024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.474024][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.474024][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.474024][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.474024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.474024][ T73] [ 2574.476417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.476417][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.476417][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.476417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.476417][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2574.476417][ T73] ipv6_add_addr+0x411/0x2000 [ 2574.476417][ T73] inet6_addr_add+0x30e/0xa40 [ 2574.476417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.476417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.476417][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.476417][ T73] netlink_unicast+0x449/0x710 [ 2574.476417][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.476417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.476417][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.476417][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.476417][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.476417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.476417][ T73] [ 2574.478847][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.478847][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.478847][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.478847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.478847][ T73] ip6_route_add+0x1c/0x140 [ 2574.478847][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.478847][ T73] addrconf_add_dev+0xe2/0x170 [ 2574.478847][ T73] inet6_addr_add+0x12f/0xa40 [ 2574.478847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.478847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.478847][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.478847][ T73] netlink_unicast+0x449/0x710 [ 2574.478847][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.478847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.478847][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.478847][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.478847][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.478847][ T73] [ 2574.481246][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.481246][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2574.481246][ T73] ipv6_find_idev+0x102/0x170 [ 2574.481246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.481246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.481246][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.481246][ T73] netlink_unicast+0x449/0x710 [ 2574.481246][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.481246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.481246][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.481246][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.481246][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.481246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.481246][ T73] [ 2574.483104][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2574.483104][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2574.483104][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2574.483104][ T73] ipv6_find_idev+0x102/0x170 [ 2574.483104][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.483104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.483104][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.483104][ T73] netlink_unicast+0x449/0x710 [ 2574.483104][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.483104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.483104][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.483104][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.483104][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.483104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.483104][ T73] [ 2574.485234][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2574.485549][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.485549][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2574.485549][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2574.485549][ T73] fib6_nh_init+0xa22/0x1580 [ 2574.485549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.485549][ T73] ip6_route_add+0x1c/0x140 [ 2574.485549][ T73] inet6_rtm_newroute+0x104/0x110 [ 2574.485549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.485549][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.485549][ T73] netlink_unicast+0x449/0x710 [ 2574.485549][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.485549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.485549][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.485549][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.485549][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.485549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.485549][ T73] [ 2574.488071][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.488071][ T73] dst_init+0x84/0x4a0 [ 2574.488071][ T73] dst_alloc+0x97/0x150 [ 2574.488071][ T73] ip6_dst_alloc+0x23/0x90 [ 2574.488071][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.488071][ T73] ip6_pol_route+0x56f/0x840 [ 2574.488071][ T73] fib6_rule_lookup+0x456/0x630 [ 2574.488071][ T73] ip6_route_input+0x59c/0xa50 [ 2574.488071][ T73] ipv6_rcv+0x397/0x810 [ 2574.488071][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2574.488071][ T73] process_backlog+0x101/0x620 [ 2574.488071][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2574.488071][ T73] net_rx_action+0x495/0xbe0 [ 2574.488071][ T73] __do_softirq+0x1b5/0x7f6 [ 2574.488071][ T73] [ 2574.490209][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.490209][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.490209][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.490209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.490209][ T73] ip6_route_add+0x1c/0x140 [ 2574.490209][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2574.490209][ T73] inet6_addr_add+0x4f8/0xa40 [ 2574.490209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.490209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.490209][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.490209][ T73] netlink_unicast+0x449/0x710 [ 2574.490209][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.490209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.490209][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.490209][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.490209][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.490209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.490209][ T73] [ 2574.493478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.493478][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.493478][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.493478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.493478][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2574.493478][ T73] ipv6_add_addr+0x411/0x2000 [ 2574.493478][ T73] inet6_addr_add+0x30e/0xa40 [ 2574.493478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.493478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.493478][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.493478][ T73] netlink_unicast+0x449/0x710 [ 2574.493478][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.493478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.493478][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.493478][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.493478][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.493478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.493478][ T73] [ 2574.496135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.496135][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.496135][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.496135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.496135][ T73] ip6_route_add+0x1c/0x140 [ 2574.496135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.496135][ T73] addrconf_add_dev+0xe2/0x170 [ 2574.496135][ T73] inet6_addr_add+0x12f/0xa40 [ 2574.496135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.496135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.496135][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.496135][ T73] netlink_unicast+0x449/0x710 [ 2574.496135][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.496135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.496135][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.496135][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.496135][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.496135][ T73] [ 2574.498735][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.498735][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2574.498735][ T73] ipv6_find_idev+0x102/0x170 [ 2574.498735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.498735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.498735][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.498735][ T73] netlink_unicast+0x449/0x710 [ 2574.498735][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.498735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.498735][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.498735][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.498735][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.498735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.498735][ T73] [ 2574.500697][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2574.500697][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2574.500697][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2574.500697][ T73] ipv6_find_idev+0x102/0x170 [ 2574.500697][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.500697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.500697][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.500697][ T73] netlink_unicast+0x449/0x710 [ 2574.500697][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.500697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.500697][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.500697][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.500697][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.500697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.500697][ T73] [ 2574.502820][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2574.503124][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2574.503124][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.503124][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.503124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.503124][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2574.503124][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2574.503124][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2574.503124][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2574.503124][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2574.503124][ T73] addrconf_dad_begin+0x310/0x670 [ 2574.503124][ T73] addrconf_dad_work+0x10b/0xab0 [ 2574.503124][ T73] process_one_work+0x84d/0x18a0 [ 2574.503124][ T73] worker_thread+0x587/0xd30 [ 2574.503124][ T73] kthread+0x28a/0x350 [ 2574.503124][ T73] ret_from_fork+0x31/0x70 [ 2574.503124][ T73] ret_from_fork_asm+0x1a/0x30 [ 2574.503124][ T73] [ 2574.505654][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2574.505654][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.505654][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.505654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.505654][ T73] ip6_route_add+0x1c/0x140 [ 2574.505654][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2574.505654][ T73] inet6_addr_add+0x4f8/0xa40 [ 2574.505654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.505654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.505654][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.505654][ T73] netlink_unicast+0x449/0x710 [ 2574.505654][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.505654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.505654][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.505654][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.505654][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.505654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.505654][ T73] [ 2574.508324][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2574.508324][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.508324][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.508324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.508324][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2574.508324][ T73] ipv6_add_addr+0x411/0x2000 [ 2574.508324][ T73] inet6_addr_add+0x30e/0xa40 [ 2574.508324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.508324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.508324][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.508324][ T73] netlink_unicast+0x449/0x710 [ 2574.508324][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.508324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.508324][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.508324][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.508324][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.508324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.508324][ T73] [ 2574.511091][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2574.511091][ T73] netdev_get_by_index+0x5e/0x80 [ 2574.511091][ T73] fib6_nh_init+0x3d8/0x1580 [ 2574.511091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2574.511091][ T73] ip6_route_add+0x1c/0x140 [ 2574.511091][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.511091][ T73] addrconf_add_dev+0xe2/0x170 [ 2574.511091][ T73] inet6_addr_add+0x12f/0xa40 [ 2574.511091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.511091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.511091][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.511091][ T73] netlink_unicast+0x449/0x710 [ 2574.511091][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.511091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.511091][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.511091][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.511091][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.511091][ T73] [ 2574.514002][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2574.514002][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2574.514002][ T73] ipv6_find_idev+0x102/0x170 [ 2574.514002][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.514002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.514002][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.514002][ T73] netlink_unicast+0x449/0x710 [ 2574.514002][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.514002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.514002][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.514002][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.514002][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.514002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.514002][ T73] [ 2574.516030][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2574.516030][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2574.516030][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2574.516030][ T73] ipv6_find_idev+0x102/0x170 [ 2574.516030][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.516030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.516030][ T73] netlink_rcv_skb+0x130/0x360 [ 2574.516030][ T73] netlink_unicast+0x449/0x710 [ 2574.516030][ T73] netlink_sendmsg+0x723/0xbe0 [ 2574.516030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2574.516030][ T73] ___sys_sendmsg+0xee/0x170 [ 2574.516030][ T73] __sys_sendmsg+0xcd/0x170 [ 2574.516030][ T73] do_syscall_64+0xc6/0x1e0 [ 2574.516030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.516030][ T73] [ 2584.606926][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2584.607424][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.607424][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2584.607424][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2584.607424][ T73] fib6_nh_init+0xa22/0x1580 [ 2584.607424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.607424][ T73] ip6_route_add+0x1c/0x140 [ 2584.607424][ T73] inet6_rtm_newroute+0x104/0x110 [ 2584.607424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.607424][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.607424][ T73] netlink_unicast+0x449/0x710 [ 2584.607424][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.607424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.607424][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.607424][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.607424][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.607424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.607424][ T73] [ 2584.609358][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.609358][ T73] dst_init+0x84/0x4a0 [ 2584.609358][ T73] dst_alloc+0x97/0x150 [ 2584.609358][ T73] ip6_dst_alloc+0x23/0x90 [ 2584.609358][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.609358][ T73] ip6_pol_route+0x56f/0x840 [ 2584.609358][ T73] fib6_rule_lookup+0x456/0x630 [ 2584.609358][ T73] ip6_route_input+0x59c/0xa50 [ 2584.609358][ T73] ipv6_rcv+0x397/0x810 [ 2584.609358][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2584.609358][ T73] process_backlog+0x101/0x620 [ 2584.609358][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2584.609358][ T73] net_rx_action+0x495/0xbe0 [ 2584.609358][ T73] __do_softirq+0x1b5/0x7f6 [ 2584.609358][ T73] [ 2584.611014][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.611014][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.611014][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.611014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.611014][ T73] ip6_route_add+0x1c/0x140 [ 2584.611014][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2584.611014][ T73] inet6_addr_add+0x4f8/0xa40 [ 2584.611014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.611014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.611014][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.611014][ T73] netlink_unicast+0x449/0x710 [ 2584.611014][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.611014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.611014][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.611014][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.611014][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.611014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.611014][ T73] [ 2584.613047][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.613047][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.613047][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.613047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.613047][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2584.613047][ T73] ipv6_add_addr+0x411/0x2000 [ 2584.613047][ T73] inet6_addr_add+0x30e/0xa40 [ 2584.613047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.613047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.613047][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.613047][ T73] netlink_unicast+0x449/0x710 [ 2584.613047][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.613047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.613047][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.613047][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.613047][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.613047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.613047][ T73] [ 2584.615072][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.615072][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.615072][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.615072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.615072][ T73] ip6_route_add+0x1c/0x140 [ 2584.615072][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.615072][ T73] addrconf_add_dev+0xe2/0x170 [ 2584.615072][ T73] inet6_addr_add+0x12f/0xa40 [ 2584.615072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.615072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.615072][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.615072][ T73] netlink_unicast+0x449/0x710 [ 2584.615072][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.615072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.615072][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.615072][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.615072][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.615072][ T73] [ 2584.617059][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.617059][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2584.617059][ T73] ipv6_find_idev+0x102/0x170 [ 2584.617059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.617059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.617059][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.617059][ T73] netlink_unicast+0x449/0x710 [ 2584.617059][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.617059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.617059][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.617059][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.617059][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.617059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.617059][ T73] [ 2584.618622][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2584.618622][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2584.618622][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2584.618622][ T73] ipv6_find_idev+0x102/0x170 [ 2584.618622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.618622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.618622][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.618622][ T73] netlink_unicast+0x449/0x710 [ 2584.618622][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.618622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.618622][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.618622][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.618622][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.618622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.618622][ T73] [ 2584.620356][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2584.620632][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.620632][ T73] dst_init+0x84/0x4a0 [ 2584.620632][ T73] dst_alloc+0x97/0x150 [ 2584.620632][ T73] ip6_dst_alloc+0x23/0x90 [ 2584.620632][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.620632][ T73] ip6_pol_route+0x56f/0x840 [ 2584.620632][ T73] fib6_rule_lookup+0x456/0x630 [ 2584.620632][ T73] ip6_route_input+0x59c/0xa50 [ 2584.620632][ T73] ipv6_rcv+0x397/0x810 [ 2584.620632][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2584.620632][ T73] process_backlog+0x101/0x620 [ 2584.620632][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2584.620632][ T73] net_rx_action+0x495/0xbe0 [ 2584.620632][ T73] __do_softirq+0x1b5/0x7f6 [ 2584.620632][ T73] [ 2584.622303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.622303][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.622303][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.622303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.622303][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2584.622303][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2584.622303][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2584.622303][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2584.622303][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2584.622303][ T73] addrconf_dad_begin+0x310/0x670 [ 2584.622303][ T73] addrconf_dad_work+0x10b/0xab0 [ 2584.622303][ T73] process_one_work+0x84d/0x18a0 [ 2584.622303][ T73] worker_thread+0x587/0xd30 [ 2584.622303][ T73] kthread+0x28a/0x350 [ 2584.622303][ T73] ret_from_fork+0x31/0x70 [ 2584.622303][ T73] ret_from_fork_asm+0x1a/0x30 [ 2584.622303][ T73] [ 2584.624236][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.624236][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.624236][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.624236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.624236][ T73] ip6_route_add+0x1c/0x140 [ 2584.624236][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2584.624236][ T73] inet6_addr_add+0x4f8/0xa40 [ 2584.624236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.624236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.624236][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.624236][ T73] netlink_unicast+0x449/0x710 [ 2584.624236][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.624236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.624236][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.624236][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.624236][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.624236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.624236][ T73] [ 2584.626250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.626250][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.626250][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.626250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.626250][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2584.626250][ T73] ipv6_add_addr+0x411/0x2000 [ 2584.626250][ T73] inet6_addr_add+0x30e/0xa40 [ 2584.626250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.626250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.626250][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.626250][ T73] netlink_unicast+0x449/0x710 [ 2584.626250][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.626250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.626250][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.626250][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.626250][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.626250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.626250][ T73] [ 2584.628267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.628267][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.628267][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.628267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.628267][ T73] ip6_route_add+0x1c/0x140 [ 2584.628267][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.628267][ T73] addrconf_add_dev+0xe2/0x170 [ 2584.628267][ T73] inet6_addr_add+0x12f/0xa40 [ 2584.628267][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.628267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.628267][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.628267][ T73] netlink_unicast+0x449/0x710 [ 2584.628267][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.628267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.628267][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.628267][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.628267][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.628267][ T73] [ 2584.630282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.630282][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2584.630282][ T73] ipv6_find_idev+0x102/0x170 [ 2584.630282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.630282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.630282][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.630282][ T73] netlink_unicast+0x449/0x710 [ 2584.630282][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.630282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.630282][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.630282][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.630282][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.630282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.630282][ T73] [ 2584.631838][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2584.631838][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2584.631838][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2584.631838][ T73] ipv6_find_idev+0x102/0x170 [ 2584.631838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.631838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.631838][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.631838][ T73] netlink_unicast+0x449/0x710 [ 2584.631838][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.631838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.631838][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.631838][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.631838][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.631838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.631838][ T73] [ 2584.633658][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2584.633942][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.633942][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2584.633942][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2584.633942][ T73] fib6_nh_init+0xa22/0x1580 [ 2584.633942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.633942][ T73] ip6_route_add+0x1c/0x140 [ 2584.633942][ T73] inet6_rtm_newroute+0x104/0x110 [ 2584.633942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.633942][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.633942][ T73] netlink_unicast+0x449/0x710 [ 2584.633942][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.633942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.633942][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.633942][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.633942][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.633942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.633942][ T73] [ 2584.636088][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.636088][ T73] dst_init+0x84/0x4a0 [ 2584.636088][ T73] dst_alloc+0x97/0x150 [ 2584.636088][ T73] ip6_dst_alloc+0x23/0x90 [ 2584.636088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.636088][ T73] ip6_pol_route+0x56f/0x840 [ 2584.636088][ T73] fib6_rule_lookup+0x456/0x630 [ 2584.636088][ T73] ip6_route_input+0x59c/0xa50 [ 2584.636088][ T73] ipv6_rcv+0x397/0x810 [ 2584.636088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2584.636088][ T73] process_backlog+0x101/0x620 [ 2584.636088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2584.636088][ T73] net_rx_action+0x495/0xbe0 [ 2584.636088][ T73] __do_softirq+0x1b5/0x7f6 [ 2584.636088][ T73] [ 2584.637921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.637921][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.637921][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.637921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.637921][ T73] ip6_route_add+0x1c/0x140 [ 2584.637921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2584.637921][ T73] inet6_addr_add+0x4f8/0xa40 [ 2584.637921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.637921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.637921][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.637921][ T73] netlink_unicast+0x449/0x710 [ 2584.637921][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.637921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.637921][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.637921][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.637921][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.637921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.637921][ T73] [ 2584.640249][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.640249][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.640249][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.640249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.640249][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2584.640249][ T73] ipv6_add_addr+0x411/0x2000 [ 2584.640249][ T73] inet6_addr_add+0x30e/0xa40 [ 2584.640249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.640249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.640249][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.640249][ T73] netlink_unicast+0x449/0x710 [ 2584.640249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.640249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.640249][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.640249][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.640249][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.640249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.640249][ T73] [ 2584.642462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.642462][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.642462][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.642462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.642462][ T73] ip6_route_add+0x1c/0x140 [ 2584.642462][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.642462][ T73] addrconf_add_dev+0xe2/0x170 [ 2584.642462][ T73] inet6_addr_add+0x12f/0xa40 [ 2584.642462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.642462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.642462][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.642462][ T73] netlink_unicast+0x449/0x710 [ 2584.642462][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.642462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.642462][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.642462][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.642462][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.642462][ T73] [ 2584.644685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.644685][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2584.644685][ T73] ipv6_find_idev+0x102/0x170 [ 2584.644685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.644685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.644685][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.644685][ T73] netlink_unicast+0x449/0x710 [ 2584.644685][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.644685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.644685][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.644685][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.644685][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.644685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.644685][ T73] [ 2584.646413][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2584.646413][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2584.646413][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2584.646413][ T73] ipv6_find_idev+0x102/0x170 [ 2584.646413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.646413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.646413][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.646413][ T73] netlink_unicast+0x449/0x710 [ 2584.646413][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.646413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.646413][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.646413][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.646413][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.646413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.646413][ T73] [ 2584.648469][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2584.648749][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2584.648749][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.648749][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.648749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.648749][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2584.648749][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2584.648749][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2584.648749][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2584.648749][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2584.648749][ T73] addrconf_dad_begin+0x310/0x670 [ 2584.648749][ T73] addrconf_dad_work+0x10b/0xab0 [ 2584.648749][ T73] process_one_work+0x84d/0x18a0 [ 2584.648749][ T73] worker_thread+0x587/0xd30 [ 2584.648749][ T73] kthread+0x28a/0x350 [ 2584.648749][ T73] ret_from_fork+0x31/0x70 [ 2584.648749][ T73] ret_from_fork_asm+0x1a/0x30 [ 2584.648749][ T73] [ 2584.650937][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2584.650937][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.650937][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.650937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.650937][ T73] ip6_route_add+0x1c/0x140 [ 2584.650937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2584.650937][ T73] inet6_addr_add+0x4f8/0xa40 [ 2584.650937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.650937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.650937][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.650937][ T73] netlink_unicast+0x449/0x710 [ 2584.650937][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.650937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.650937][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.650937][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.650937][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.650937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.650937][ T73] [ 2584.653160][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2584.653160][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.653160][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.653160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.653160][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2584.653160][ T73] ipv6_add_addr+0x411/0x2000 [ 2584.653160][ T73] inet6_addr_add+0x30e/0xa40 [ 2584.653160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.653160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.653160][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.653160][ T73] netlink_unicast+0x449/0x710 [ 2584.653160][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.653160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.653160][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.653160][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.653160][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.653160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.653160][ T73] [ 2584.655424][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2584.655424][ T73] netdev_get_by_index+0x5e/0x80 [ 2584.655424][ T73] fib6_nh_init+0x3d8/0x1580 [ 2584.655424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2584.655424][ T73] ip6_route_add+0x1c/0x140 [ 2584.655424][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.655424][ T73] addrconf_add_dev+0xe2/0x170 [ 2584.655424][ T73] inet6_addr_add+0x12f/0xa40 [ 2584.655424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.655424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.655424][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.655424][ T73] netlink_unicast+0x449/0x710 [ 2584.655424][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.655424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.655424][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.655424][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.655424][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.655424][ T73] [ 2584.657657][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2584.657657][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2584.657657][ T73] ipv6_find_idev+0x102/0x170 [ 2584.657657][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.657657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.657657][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.657657][ T73] netlink_unicast+0x449/0x710 [ 2584.657657][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.657657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.657657][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.657657][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.657657][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.657657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.657657][ T73] [ 2584.659457][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2584.659457][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2584.659457][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2584.659457][ T73] ipv6_find_idev+0x102/0x170 [ 2584.659457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.659457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.659457][ T73] netlink_rcv_skb+0x130/0x360 [ 2584.659457][ T73] netlink_unicast+0x449/0x710 [ 2584.659457][ T73] netlink_sendmsg+0x723/0xbe0 [ 2584.659457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2584.659457][ T73] ___sys_sendmsg+0xee/0x170 [ 2584.659457][ T73] __sys_sendmsg+0xcd/0x170 [ 2584.659457][ T73] do_syscall_64+0xc6/0x1e0 [ 2584.659457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.659457][ T73] [ 2594.862909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2594.863341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.863341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2594.863341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2594.863341][ T73] fib6_nh_init+0xa22/0x1580 [ 2594.863341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.863341][ T73] ip6_route_add+0x1c/0x140 [ 2594.863341][ T73] inet6_rtm_newroute+0x104/0x110 [ 2594.863341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.863341][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.863341][ T73] netlink_unicast+0x449/0x710 [ 2594.863341][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.863341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.863341][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.863341][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.863341][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.863341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.863341][ T73] [ 2594.865260][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.865260][ T73] dst_init+0x84/0x4a0 [ 2594.865260][ T73] dst_alloc+0x97/0x150 [ 2594.865260][ T73] ip6_dst_alloc+0x23/0x90 [ 2594.865260][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2594.865260][ T73] ip6_pol_route+0x56f/0x840 [ 2594.865260][ T73] fib6_rule_lookup+0x456/0x630 [ 2594.865260][ T73] ip6_route_input+0x59c/0xa50 [ 2594.865260][ T73] ipv6_rcv+0x397/0x810 [ 2594.865260][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2594.865260][ T73] process_backlog+0x101/0x620 [ 2594.865260][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2594.865260][ T73] net_rx_action+0x495/0xbe0 [ 2594.865260][ T73] __do_softirq+0x1b5/0x7f6 [ 2594.865260][ T73] [ 2594.866923][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.866923][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.866923][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.866923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.866923][ T73] ip6_route_add+0x1c/0x140 [ 2594.866923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2594.866923][ T73] inet6_addr_add+0x4f8/0xa40 [ 2594.866923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.866923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.866923][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.866923][ T73] netlink_unicast+0x449/0x710 [ 2594.866923][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.866923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.866923][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.866923][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.866923][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.866923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.866923][ T73] [ 2594.868976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.868976][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.868976][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.868976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.868976][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2594.868976][ T73] ipv6_add_addr+0x411/0x2000 [ 2594.868976][ T73] inet6_addr_add+0x30e/0xa40 [ 2594.868976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.868976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.868976][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.868976][ T73] netlink_unicast+0x449/0x710 [ 2594.868976][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.868976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.868976][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.868976][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.868976][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.868976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.868976][ T73] [ 2594.870996][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.870996][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.870996][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.870996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.870996][ T73] ip6_route_add+0x1c/0x140 [ 2594.870996][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.870996][ T73] addrconf_add_dev+0xe2/0x170 [ 2594.870996][ T73] inet6_addr_add+0x12f/0xa40 [ 2594.870996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.870996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.870996][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.870996][ T73] netlink_unicast+0x449/0x710 [ 2594.870996][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.870996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.870996][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.870996][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.870996][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.870996][ T73] [ 2594.872978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.872978][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2594.872978][ T73] ipv6_find_idev+0x102/0x170 [ 2594.872978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.872978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.872978][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.872978][ T73] netlink_unicast+0x449/0x710 [ 2594.872978][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.872978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.872978][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.872978][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.872978][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.872978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.872978][ T73] [ 2594.874531][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2594.874531][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2594.874531][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2594.874531][ T73] ipv6_find_idev+0x102/0x170 [ 2594.874531][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.874531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.874531][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.874531][ T73] netlink_unicast+0x449/0x710 [ 2594.874531][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.874531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.874531][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.874531][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.874531][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.874531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.874531][ T73] [ 2594.876271][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2594.876559][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.876559][ T73] dst_init+0x84/0x4a0 [ 2594.876559][ T73] dst_alloc+0x97/0x150 [ 2594.876559][ T73] ip6_dst_alloc+0x23/0x90 [ 2594.876559][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2594.876559][ T73] ip6_pol_route+0x56f/0x840 [ 2594.876559][ T73] fib6_rule_lookup+0x456/0x630 [ 2594.876559][ T73] ip6_route_input+0x59c/0xa50 [ 2594.876559][ T73] ipv6_rcv+0x397/0x810 [ 2594.876559][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2594.876559][ T73] process_backlog+0x101/0x620 [ 2594.876559][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2594.876559][ T73] net_rx_action+0x495/0xbe0 [ 2594.876559][ T73] __do_softirq+0x1b5/0x7f6 [ 2594.876559][ T73] [ 2594.878217][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.878217][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.878217][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.878217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.878217][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2594.878217][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.878217][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2594.878217][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.878217][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2594.878217][ T73] addrconf_dad_begin+0x310/0x670 [ 2594.878217][ T73] addrconf_dad_work+0x10b/0xab0 [ 2594.878217][ T73] process_one_work+0x84d/0x18a0 [ 2594.878217][ T73] worker_thread+0x587/0xd30 [ 2594.878217][ T73] kthread+0x28a/0x350 [ 2594.878217][ T73] ret_from_fork+0x31/0x70 [ 2594.878217][ T73] ret_from_fork_asm+0x1a/0x30 [ 2594.878217][ T73] [ 2594.880166][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.880166][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.880166][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.880166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.880166][ T73] ip6_route_add+0x1c/0x140 [ 2594.880166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2594.880166][ T73] inet6_addr_add+0x4f8/0xa40 [ 2594.880166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.880166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.880166][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.880166][ T73] netlink_unicast+0x449/0x710 [ 2594.880166][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.880166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.880166][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.880166][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.880166][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.880166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.880166][ T73] [ 2594.882181][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.882181][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.882181][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.882181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.882181][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2594.882181][ T73] ipv6_add_addr+0x411/0x2000 [ 2594.882181][ T73] inet6_addr_add+0x30e/0xa40 [ 2594.882181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.882181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.882181][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.882181][ T73] netlink_unicast+0x449/0x710 [ 2594.882181][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.882181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.882181][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.882181][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.882181][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.882181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.882181][ T73] [ 2594.884205][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.884205][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.884205][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.884205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.884205][ T73] ip6_route_add+0x1c/0x140 [ 2594.884205][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.884205][ T73] addrconf_add_dev+0xe2/0x170 [ 2594.884205][ T73] inet6_addr_add+0x12f/0xa40 [ 2594.884205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.884205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.884205][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.884205][ T73] netlink_unicast+0x449/0x710 [ 2594.884205][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.884205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.884205][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.884205][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.884205][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.884205][ T73] [ 2594.886209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.886209][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2594.886209][ T73] ipv6_find_idev+0x102/0x170 [ 2594.886209][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.886209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.886209][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.886209][ T73] netlink_unicast+0x449/0x710 [ 2594.886209][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.886209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.886209][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.886209][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.886209][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.886209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.886209][ T73] [ 2594.887758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2594.887758][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2594.887758][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2594.887758][ T73] ipv6_find_idev+0x102/0x170 [ 2594.887758][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.887758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.887758][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.887758][ T73] netlink_unicast+0x449/0x710 [ 2594.887758][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.887758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.887758][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.887758][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.887758][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.887758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.887758][ T73] [ 2594.889609][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2594.889909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.889909][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2594.889909][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2594.889909][ T73] fib6_nh_init+0xa22/0x1580 [ 2594.889909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.889909][ T73] ip6_route_add+0x1c/0x140 [ 2594.889909][ T73] inet6_rtm_newroute+0x104/0x110 [ 2594.889909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.889909][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.889909][ T73] netlink_unicast+0x449/0x710 [ 2594.889909][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.889909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.889909][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.889909][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.889909][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.889909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.889909][ T73] [ 2594.892151][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.892151][ T73] dst_init+0x84/0x4a0 [ 2594.892151][ T73] dst_alloc+0x97/0x150 [ 2594.892151][ T73] ip6_dst_alloc+0x23/0x90 [ 2594.892151][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2594.892151][ T73] ip6_pol_route+0x56f/0x840 [ 2594.892151][ T73] fib6_rule_lookup+0x456/0x630 [ 2594.892151][ T73] ip6_route_input+0x59c/0xa50 [ 2594.892151][ T73] ipv6_rcv+0x397/0x810 [ 2594.892151][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2594.892151][ T73] process_backlog+0x101/0x620 [ 2594.892151][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2594.892151][ T73] net_rx_action+0x495/0xbe0 [ 2594.892151][ T73] __do_softirq+0x1b5/0x7f6 [ 2594.892151][ T73] [ 2594.894000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.894000][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.894000][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.894000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.894000][ T73] ip6_route_add+0x1c/0x140 [ 2594.894000][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2594.894000][ T73] inet6_addr_add+0x4f8/0xa40 [ 2594.894000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.894000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.894000][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.894000][ T73] netlink_unicast+0x449/0x710 [ 2594.894000][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.894000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.894000][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.894000][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.894000][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.894000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.894000][ T73] [ 2594.896261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.896261][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.896261][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.896261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.896261][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2594.896261][ T73] ipv6_add_addr+0x411/0x2000 [ 2594.896261][ T73] inet6_addr_add+0x30e/0xa40 [ 2594.896261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.896261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.896261][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.896261][ T73] netlink_unicast+0x449/0x710 [ 2594.896261][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.896261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.896261][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.896261][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.896261][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.896261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.896261][ T73] [ 2594.898480][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.898480][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.898480][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.898480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.898480][ T73] ip6_route_add+0x1c/0x140 [ 2594.898480][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.898480][ T73] addrconf_add_dev+0xe2/0x170 [ 2594.898480][ T73] inet6_addr_add+0x12f/0xa40 [ 2594.898480][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.898480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.898480][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.898480][ T73] netlink_unicast+0x449/0x710 [ 2594.898480][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.898480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.898480][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.898480][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.898480][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.898480][ T73] [ 2594.900790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.900790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2594.900790][ T73] ipv6_find_idev+0x102/0x170 [ 2594.900790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.900790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.900790][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.900790][ T73] netlink_unicast+0x449/0x710 [ 2594.900790][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.900790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.900790][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.900790][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.900790][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.900790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.900790][ T73] [ 2594.902531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2594.902531][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2594.902531][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2594.902531][ T73] ipv6_find_idev+0x102/0x170 [ 2594.902531][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.902531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.902531][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.902531][ T73] netlink_unicast+0x449/0x710 [ 2594.902531][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.902531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.902531][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.902531][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.902531][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.902531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.902531][ T73] [ 2594.904497][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2594.904782][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2594.904782][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.904782][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.904782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.904782][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2594.904782][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.904782][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2594.904782][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.904782][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2594.904782][ T73] addrconf_dad_begin+0x310/0x670 [ 2594.904782][ T73] addrconf_dad_work+0x10b/0xab0 [ 2594.904782][ T73] process_one_work+0x84d/0x18a0 [ 2594.904782][ T73] worker_thread+0x587/0xd30 [ 2594.904782][ T73] kthread+0x28a/0x350 [ 2594.904782][ T73] ret_from_fork+0x31/0x70 [ 2594.904782][ T73] ret_from_fork_asm+0x1a/0x30 [ 2594.904782][ T73] [ 2594.906976][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2594.906976][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.906976][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.906976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.906976][ T73] ip6_route_add+0x1c/0x140 [ 2594.906976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2594.906976][ T73] inet6_addr_add+0x4f8/0xa40 [ 2594.906976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.906976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.906976][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.906976][ T73] netlink_unicast+0x449/0x710 [ 2594.906976][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.906976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.906976][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.906976][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.906976][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.906976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.906976][ T73] [ 2594.909182][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2594.909182][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.909182][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.909182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.909182][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2594.909182][ T73] ipv6_add_addr+0x411/0x2000 [ 2594.909182][ T73] inet6_addr_add+0x30e/0xa40 [ 2594.909182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.909182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.909182][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.909182][ T73] netlink_unicast+0x449/0x710 [ 2594.909182][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.909182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.909182][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.909182][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.909182][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.909182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.909182][ T73] [ 2594.911512][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2594.911512][ T73] netdev_get_by_index+0x5e/0x80 [ 2594.911512][ T73] fib6_nh_init+0x3d8/0x1580 [ 2594.911512][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2594.911512][ T73] ip6_route_add+0x1c/0x140 [ 2594.911512][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.911512][ T73] addrconf_add_dev+0xe2/0x170 [ 2594.911512][ T73] inet6_addr_add+0x12f/0xa40 [ 2594.911512][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.911512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.911512][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.911512][ T73] netlink_unicast+0x449/0x710 [ 2594.911512][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.911512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.911512][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.911512][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.911512][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.911512][ T73] [ 2594.913747][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2594.913747][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2594.913747][ T73] ipv6_find_idev+0x102/0x170 [ 2594.913747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.913747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.913747][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.913747][ T73] netlink_unicast+0x449/0x710 [ 2594.913747][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.913747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.913747][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.913747][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.913747][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.913747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.913747][ T73] [ 2594.915503][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2594.915503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2594.915503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2594.915503][ T73] ipv6_find_idev+0x102/0x170 [ 2594.915503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.915503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.915503][ T73] netlink_rcv_skb+0x130/0x360 [ 2594.915503][ T73] netlink_unicast+0x449/0x710 [ 2594.915503][ T73] netlink_sendmsg+0x723/0xbe0 [ 2594.915503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2594.915503][ T73] ___sys_sendmsg+0xee/0x170 [ 2594.915503][ T73] __sys_sendmsg+0xcd/0x170 [ 2594.915503][ T73] do_syscall_64+0xc6/0x1e0 [ 2594.915503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.915503][ T73] [ 2605.006890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2605.007404][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.007404][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2605.007404][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2605.007404][ T73] fib6_nh_init+0xa22/0x1580 [ 2605.007404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.007404][ T73] ip6_route_add+0x1c/0x140 [ 2605.007404][ T73] inet6_rtm_newroute+0x104/0x110 [ 2605.007404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.007404][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.007404][ T73] netlink_unicast+0x449/0x710 [ 2605.007404][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.007404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.007404][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.007404][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.007404][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.007404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.007404][ T73] [ 2605.009613][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.009613][ T73] dst_init+0x84/0x4a0 [ 2605.009613][ T73] dst_alloc+0x97/0x150 [ 2605.009613][ T73] ip6_dst_alloc+0x23/0x90 [ 2605.009613][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.009613][ T73] ip6_pol_route+0x56f/0x840 [ 2605.009613][ T73] fib6_rule_lookup+0x456/0x630 [ 2605.009613][ T73] ip6_route_input+0x59c/0xa50 [ 2605.009613][ T73] ipv6_rcv+0x397/0x810 [ 2605.009613][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2605.009613][ T73] process_backlog+0x101/0x620 [ 2605.009613][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2605.009613][ T73] net_rx_action+0x495/0xbe0 [ 2605.009613][ T73] __do_softirq+0x1b5/0x7f6 [ 2605.009613][ T73] [ 2605.011445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.011445][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.011445][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.011445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.011445][ T73] ip6_route_add+0x1c/0x140 [ 2605.011445][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2605.011445][ T73] inet6_addr_add+0x4f8/0xa40 [ 2605.011445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.011445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.011445][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.011445][ T73] netlink_unicast+0x449/0x710 [ 2605.011445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.011445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.011445][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.011445][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.011445][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.011445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.011445][ T73] [ 2605.013689][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.013689][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.013689][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.013689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.013689][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2605.013689][ T73] ipv6_add_addr+0x411/0x2000 [ 2605.013689][ T73] inet6_addr_add+0x30e/0xa40 [ 2605.013689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.013689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.013689][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.013689][ T73] netlink_unicast+0x449/0x710 [ 2605.013689][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.013689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.013689][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.013689][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.013689][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.013689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.013689][ T73] [ 2605.015957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.015957][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.015957][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.015957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.015957][ T73] ip6_route_add+0x1c/0x140 [ 2605.015957][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.015957][ T73] addrconf_add_dev+0xe2/0x170 [ 2605.015957][ T73] inet6_addr_add+0x12f/0xa40 [ 2605.015957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.015957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.015957][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.015957][ T73] netlink_unicast+0x449/0x710 [ 2605.015957][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.015957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.015957][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.015957][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.015957][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.015957][ T73] [ 2605.018160][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.018160][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2605.018160][ T73] ipv6_find_idev+0x102/0x170 [ 2605.018160][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.018160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.018160][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.018160][ T73] netlink_unicast+0x449/0x710 [ 2605.018160][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.018160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.018160][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.018160][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.018160][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.018160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.018160][ T73] [ 2605.019954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2605.019954][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2605.019954][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2605.019954][ T73] ipv6_find_idev+0x102/0x170 [ 2605.019954][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.019954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.019954][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.019954][ T73] netlink_unicast+0x449/0x710 [ 2605.019954][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.019954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.019954][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.019954][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.019954][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.019954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.019954][ T73] [ 2605.021895][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2605.022192][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.022192][ T73] dst_init+0x84/0x4a0 [ 2605.022192][ T73] dst_alloc+0x97/0x150 [ 2605.022192][ T73] ip6_dst_alloc+0x23/0x90 [ 2605.022192][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.022192][ T73] ip6_pol_route+0x56f/0x840 [ 2605.022192][ T73] fib6_rule_lookup+0x456/0x630 [ 2605.022192][ T73] ip6_route_input+0x59c/0xa50 [ 2605.022192][ T73] ipv6_rcv+0x397/0x810 [ 2605.022192][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2605.022192][ T73] process_backlog+0x101/0x620 [ 2605.022192][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2605.022192][ T73] net_rx_action+0x495/0xbe0 [ 2605.022192][ T73] __do_softirq+0x1b5/0x7f6 [ 2605.022192][ T73] [ 2605.024043][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.024043][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.024043][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.024043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.024043][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2605.024043][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2605.024043][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2605.024043][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2605.024043][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2605.024043][ T73] addrconf_dad_begin+0x310/0x670 [ 2605.024043][ T73] addrconf_dad_work+0x10b/0xab0 [ 2605.024043][ T73] process_one_work+0x84d/0x18a0 [ 2605.024043][ T73] worker_thread+0x587/0xd30 [ 2605.024043][ T73] kthread+0x28a/0x350 [ 2605.024043][ T73] ret_from_fork+0x31/0x70 [ 2605.024043][ T73] ret_from_fork_asm+0x1a/0x30 [ 2605.024043][ T73] [ 2605.026240][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.026240][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.026240][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.026240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.026240][ T73] ip6_route_add+0x1c/0x140 [ 2605.026240][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2605.026240][ T73] inet6_addr_add+0x4f8/0xa40 [ 2605.026240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.026240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.026240][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.026240][ T73] netlink_unicast+0x449/0x710 [ 2605.026240][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.026240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.026240][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.026240][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.026240][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.026240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.026240][ T73] [ 2605.028555][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.028555][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.028555][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.028555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.028555][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2605.028555][ T73] ipv6_add_addr+0x411/0x2000 [ 2605.028555][ T73] inet6_addr_add+0x30e/0xa40 [ 2605.028555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.028555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.028555][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.028555][ T73] netlink_unicast+0x449/0x710 [ 2605.028555][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.028555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.028555][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.028555][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.028555][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.028555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.028555][ T73] [ 2605.031049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.031049][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.031049][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.031049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.031049][ T73] ip6_route_add+0x1c/0x140 [ 2605.031049][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.031049][ T73] addrconf_add_dev+0xe2/0x170 [ 2605.031049][ T73] inet6_addr_add+0x12f/0xa40 [ 2605.031049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.031049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.031049][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.031049][ T73] netlink_unicast+0x449/0x710 [ 2605.031049][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.031049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.031049][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.031049][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.031049][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.031049][ T73] [ 2605.033500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.033500][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2605.033500][ T73] ipv6_find_idev+0x102/0x170 [ 2605.033500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.033500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.033500][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.033500][ T73] netlink_unicast+0x449/0x710 [ 2605.033500][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.033500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.033500][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.033500][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.033500][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.033500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.033500][ T73] [ 2605.035387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2605.035387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2605.035387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2605.035387][ T73] ipv6_find_idev+0x102/0x170 [ 2605.035387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.035387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.035387][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.035387][ T73] netlink_unicast+0x449/0x710 [ 2605.035387][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.035387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.035387][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.035387][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.035387][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.035387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.035387][ T73] [ 2605.037608][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2605.037959][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.037959][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2605.037959][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2605.037959][ T73] fib6_nh_init+0xa22/0x1580 [ 2605.037959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.037959][ T73] ip6_route_add+0x1c/0x140 [ 2605.037959][ T73] inet6_rtm_newroute+0x104/0x110 [ 2605.037959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.037959][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.037959][ T73] netlink_unicast+0x449/0x710 [ 2605.037959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.037959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.037959][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.037959][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.037959][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.037959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.037959][ T73] [ 2605.040602][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.040602][ T73] dst_init+0x84/0x4a0 [ 2605.040602][ T73] dst_alloc+0x97/0x150 [ 2605.040602][ T73] ip6_dst_alloc+0x23/0x90 [ 2605.040602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.040602][ T73] ip6_pol_route+0x56f/0x840 [ 2605.040602][ T73] fib6_rule_lookup+0x456/0x630 [ 2605.040602][ T73] ip6_route_input+0x59c/0xa50 [ 2605.040602][ T73] ipv6_rcv+0x397/0x810 [ 2605.040602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2605.040602][ T73] process_backlog+0x101/0x620 [ 2605.040602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2605.040602][ T73] net_rx_action+0x495/0xbe0 [ 2605.040602][ T73] __do_softirq+0x1b5/0x7f6 [ 2605.040602][ T73] [ 2605.042769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.042769][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.042769][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.042769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.042769][ T73] ip6_route_add+0x1c/0x140 [ 2605.042769][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2605.042769][ T73] inet6_addr_add+0x4f8/0xa40 [ 2605.042769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.042769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.042769][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.042769][ T73] netlink_unicast+0x449/0x710 [ 2605.042769][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.042769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.042769][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.042769][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.042769][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.042769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.042769][ T73] [ 2605.045494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.045494][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.045494][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.045494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.045494][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2605.045494][ T73] ipv6_add_addr+0x411/0x2000 [ 2605.045494][ T73] inet6_addr_add+0x30e/0xa40 [ 2605.045494][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.045494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.045494][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.045494][ T73] netlink_unicast+0x449/0x710 [ 2605.045494][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.045494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.045494][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.045494][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.045494][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.045494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.045494][ T73] [ 2605.048184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.048184][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.048184][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.048184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.048184][ T73] ip6_route_add+0x1c/0x140 [ 2605.048184][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.048184][ T73] addrconf_add_dev+0xe2/0x170 [ 2605.048184][ T73] inet6_addr_add+0x12f/0xa40 [ 2605.048184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.048184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.048184][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.048184][ T73] netlink_unicast+0x449/0x710 [ 2605.048184][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.048184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.048184][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.048184][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.048184][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.048184][ T73] [ 2605.050980][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.050980][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2605.050980][ T73] ipv6_find_idev+0x102/0x170 [ 2605.050980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.050980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.050980][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.050980][ T73] netlink_unicast+0x449/0x710 [ 2605.050980][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.050980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.050980][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.050980][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.050980][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.050980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.050980][ T73] [ 2605.053025][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2605.053025][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2605.053025][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2605.053025][ T73] ipv6_find_idev+0x102/0x170 [ 2605.053025][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.053025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.053025][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.053025][ T73] netlink_unicast+0x449/0x710 [ 2605.053025][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.053025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.053025][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.053025][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.053025][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.053025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.053025][ T73] [ 2605.055368][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2605.055697][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2605.055697][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.055697][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.055697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.055697][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2605.055697][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2605.055697][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2605.055697][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2605.055697][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2605.055697][ T73] addrconf_dad_begin+0x310/0x670 [ 2605.055697][ T73] addrconf_dad_work+0x10b/0xab0 [ 2605.055697][ T73] process_one_work+0x84d/0x18a0 [ 2605.055697][ T73] worker_thread+0x587/0xd30 [ 2605.055697][ T73] kthread+0x28a/0x350 [ 2605.055697][ T73] ret_from_fork+0x31/0x70 [ 2605.055697][ T73] ret_from_fork_asm+0x1a/0x30 [ 2605.055697][ T73] [ 2605.058332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2605.058332][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.058332][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.058332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.058332][ T73] ip6_route_add+0x1c/0x140 [ 2605.058332][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2605.058332][ T73] inet6_addr_add+0x4f8/0xa40 [ 2605.058332][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.058332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.058332][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.058332][ T73] netlink_unicast+0x449/0x710 [ 2605.058332][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.058332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.058332][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.058332][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.058332][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.058332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.058332][ T73] [ 2605.061084][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2605.061084][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.061084][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.061084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.061084][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2605.061084][ T73] ipv6_add_addr+0x411/0x2000 [ 2605.061084][ T73] inet6_addr_add+0x30e/0xa40 [ 2605.061084][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.061084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.061084][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.061084][ T73] netlink_unicast+0x449/0x710 [ 2605.061084][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.061084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.061084][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.061084][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.061084][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.061084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.061084][ T73] [ 2605.063810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2605.063810][ T73] netdev_get_by_index+0x5e/0x80 [ 2605.063810][ T73] fib6_nh_init+0x3d8/0x1580 [ 2605.063810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2605.063810][ T73] ip6_route_add+0x1c/0x140 [ 2605.063810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.063810][ T73] addrconf_add_dev+0xe2/0x170 [ 2605.063810][ T73] inet6_addr_add+0x12f/0xa40 [ 2605.063810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.063810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.063810][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.063810][ T73] netlink_unicast+0x449/0x710 [ 2605.063810][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.063810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.063810][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.063810][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.063810][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.063810][ T73] [ 2605.066416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2605.066416][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2605.066416][ T73] ipv6_find_idev+0x102/0x170 [ 2605.066416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.066416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.066416][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.066416][ T73] netlink_unicast+0x449/0x710 [ 2605.066416][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.066416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.066416][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.066416][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.066416][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.066416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.066416][ T73] [ 2605.068453][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2605.068453][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2605.068453][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2605.068453][ T73] ipv6_find_idev+0x102/0x170 [ 2605.068453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.068453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.068453][ T73] netlink_rcv_skb+0x130/0x360 [ 2605.068453][ T73] netlink_unicast+0x449/0x710 [ 2605.068453][ T73] netlink_sendmsg+0x723/0xbe0 [ 2605.068453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2605.068453][ T73] ___sys_sendmsg+0xee/0x170 [ 2605.068453][ T73] __sys_sendmsg+0xcd/0x170 [ 2605.068453][ T73] do_syscall_64+0xc6/0x1e0 [ 2605.068453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.068453][ T73] [ 2615.142896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2615.143316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.143316][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2615.143316][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2615.143316][ T73] fib6_nh_init+0xa22/0x1580 [ 2615.143316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.143316][ T73] ip6_route_add+0x1c/0x140 [ 2615.143316][ T73] inet6_rtm_newroute+0x104/0x110 [ 2615.143316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.143316][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.143316][ T73] netlink_unicast+0x449/0x710 [ 2615.143316][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.143316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.143316][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.143316][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.143316][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.143316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.143316][ T73] [ 2615.145479][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.145479][ T73] dst_init+0x84/0x4a0 [ 2615.145479][ T73] dst_alloc+0x97/0x150 [ 2615.145479][ T73] ip6_dst_alloc+0x23/0x90 [ 2615.145479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.145479][ T73] ip6_pol_route+0x56f/0x840 [ 2615.145479][ T73] fib6_rule_lookup+0x456/0x630 [ 2615.145479][ T73] ip6_route_input+0x59c/0xa50 [ 2615.145479][ T73] ipv6_rcv+0x397/0x810 [ 2615.145479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2615.145479][ T73] process_backlog+0x101/0x620 [ 2615.145479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2615.145479][ T73] net_rx_action+0x495/0xbe0 [ 2615.145479][ T73] __do_softirq+0x1b5/0x7f6 [ 2615.145479][ T73] [ 2615.147270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.147270][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.147270][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.147270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.147270][ T73] ip6_route_add+0x1c/0x140 [ 2615.147270][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2615.147270][ T73] inet6_addr_add+0x4f8/0xa40 [ 2615.147270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.147270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.147270][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.147270][ T73] netlink_unicast+0x449/0x710 [ 2615.147270][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.147270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.147270][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.147270][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.147270][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.147270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.147270][ T73] [ 2615.149547][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.149547][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.149547][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.149547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.149547][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2615.149547][ T73] ipv6_add_addr+0x411/0x2000 [ 2615.149547][ T73] inet6_addr_add+0x30e/0xa40 [ 2615.149547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.149547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.149547][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.149547][ T73] netlink_unicast+0x449/0x710 [ 2615.149547][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.149547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.149547][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.149547][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.149547][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.149547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.149547][ T73] [ 2615.151826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.151826][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.151826][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.151826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.151826][ T73] ip6_route_add+0x1c/0x140 [ 2615.151826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.151826][ T73] addrconf_add_dev+0xe2/0x170 [ 2615.151826][ T73] inet6_addr_add+0x12f/0xa40 [ 2615.151826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.151826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.151826][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.151826][ T73] netlink_unicast+0x449/0x710 [ 2615.151826][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.151826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.151826][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.151826][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.151826][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.151826][ T73] [ 2615.154047][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.154047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2615.154047][ T73] ipv6_find_idev+0x102/0x170 [ 2615.154047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.154047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.154047][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.154047][ T73] netlink_unicast+0x449/0x710 [ 2615.154047][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.154047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.154047][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.154047][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.154047][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.154047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.154047][ T73] [ 2615.155812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2615.155812][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2615.155812][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2615.155812][ T73] ipv6_find_idev+0x102/0x170 [ 2615.155812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.155812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.155812][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.155812][ T73] netlink_unicast+0x449/0x710 [ 2615.155812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.155812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.155812][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.155812][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.155812][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.155812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.155812][ T73] [ 2615.157751][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2615.158071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.158071][ T73] dst_init+0x84/0x4a0 [ 2615.158071][ T73] dst_alloc+0x97/0x150 [ 2615.158071][ T73] ip6_dst_alloc+0x23/0x90 [ 2615.158071][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.158071][ T73] ip6_pol_route+0x56f/0x840 [ 2615.158071][ T73] fib6_rule_lookup+0x456/0x630 [ 2615.158071][ T73] ip6_route_input+0x59c/0xa50 [ 2615.158071][ T73] ipv6_rcv+0x397/0x810 [ 2615.158071][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2615.158071][ T73] process_backlog+0x101/0x620 [ 2615.158071][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2615.158071][ T73] net_rx_action+0x495/0xbe0 [ 2615.158071][ T73] __do_softirq+0x1b5/0x7f6 [ 2615.158071][ T73] [ 2615.159981][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.159981][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.159981][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.159981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.159981][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2615.159981][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2615.159981][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2615.159981][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2615.159981][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2615.159981][ T73] addrconf_dad_begin+0x310/0x670 [ 2615.159981][ T73] addrconf_dad_work+0x10b/0xab0 [ 2615.159981][ T73] process_one_work+0x84d/0x18a0 [ 2615.159981][ T73] worker_thread+0x587/0xd30 [ 2615.159981][ T73] kthread+0x28a/0x350 [ 2615.159981][ T73] ret_from_fork+0x31/0x70 [ 2615.159981][ T73] ret_from_fork_asm+0x1a/0x30 [ 2615.159981][ T73] [ 2615.162172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.162172][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.162172][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.162172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.162172][ T73] ip6_route_add+0x1c/0x140 [ 2615.162172][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2615.162172][ T73] inet6_addr_add+0x4f8/0xa40 [ 2615.162172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.162172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.162172][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.162172][ T73] netlink_unicast+0x449/0x710 [ 2615.162172][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.162172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.162172][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.162172][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.162172][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.162172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.162172][ T73] [ 2615.164535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.164535][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.164535][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.164535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.164535][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2615.164535][ T73] ipv6_add_addr+0x411/0x2000 [ 2615.164535][ T73] inet6_addr_add+0x30e/0xa40 [ 2615.164535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.164535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.164535][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.164535][ T73] netlink_unicast+0x449/0x710 [ 2615.164535][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.164535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.164535][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.164535][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.164535][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.164535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.164535][ T73] [ 2615.166862][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.166862][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.166862][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.166862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.166862][ T73] ip6_route_add+0x1c/0x140 [ 2615.166862][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.166862][ T73] addrconf_add_dev+0xe2/0x170 [ 2615.166862][ T73] inet6_addr_add+0x12f/0xa40 [ 2615.166862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.166862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.166862][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.166862][ T73] netlink_unicast+0x449/0x710 [ 2615.166862][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.166862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.166862][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.166862][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.166862][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.166862][ T73] [ 2615.169227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.169227][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2615.169227][ T73] ipv6_find_idev+0x102/0x170 [ 2615.169227][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.169227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.169227][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.169227][ T73] netlink_unicast+0x449/0x710 [ 2615.169227][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.169227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.169227][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.169227][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.169227][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.169227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.169227][ T73] [ 2615.171151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2615.171151][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2615.171151][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2615.171151][ T73] ipv6_find_idev+0x102/0x170 [ 2615.171151][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.171151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.171151][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.171151][ T73] netlink_unicast+0x449/0x710 [ 2615.171151][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.171151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.171151][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.171151][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.171151][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.171151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.171151][ T73] [ 2615.173367][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2615.173687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.173687][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2615.173687][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2615.173687][ T73] fib6_nh_init+0xa22/0x1580 [ 2615.173687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.173687][ T73] ip6_route_add+0x1c/0x140 [ 2615.173687][ T73] inet6_rtm_newroute+0x104/0x110 [ 2615.173687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.173687][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.173687][ T73] netlink_unicast+0x449/0x710 [ 2615.173687][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.173687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.173687][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.173687][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.173687][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.173687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.173687][ T73] [ 2615.176231][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.176231][ T73] dst_init+0x84/0x4a0 [ 2615.176231][ T73] dst_alloc+0x97/0x150 [ 2615.176231][ T73] ip6_dst_alloc+0x23/0x90 [ 2615.176231][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.176231][ T73] ip6_pol_route+0x56f/0x840 [ 2615.176231][ T73] fib6_rule_lookup+0x456/0x630 [ 2615.176231][ T73] ip6_route_input+0x59c/0xa50 [ 2615.176231][ T73] ipv6_rcv+0x397/0x810 [ 2615.176231][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2615.176231][ T73] process_backlog+0x101/0x620 [ 2615.176231][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2615.176231][ T73] net_rx_action+0x495/0xbe0 [ 2615.176231][ T73] __do_softirq+0x1b5/0x7f6 [ 2615.176231][ T73] [ 2615.178474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.178474][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.178474][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.178474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.178474][ T73] ip6_route_add+0x1c/0x140 [ 2615.178474][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2615.178474][ T73] inet6_addr_add+0x4f8/0xa40 [ 2615.178474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.178474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.178474][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.178474][ T73] netlink_unicast+0x449/0x710 [ 2615.178474][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.178474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.178474][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.178474][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.178474][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.178474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.178474][ T73] [ 2615.181055][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.181055][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.181055][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.181055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.181055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2615.181055][ T73] ipv6_add_addr+0x411/0x2000 [ 2615.181055][ T73] inet6_addr_add+0x30e/0xa40 [ 2615.181055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.181055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.181055][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.181055][ T73] netlink_unicast+0x449/0x710 [ 2615.181055][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.181055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.181055][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.181055][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.181055][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.181055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.181055][ T73] [ 2615.183494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.183494][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.183494][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.183494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.183494][ T73] ip6_route_add+0x1c/0x140 [ 2615.183494][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.183494][ T73] addrconf_add_dev+0xe2/0x170 [ 2615.183494][ T73] inet6_addr_add+0x12f/0xa40 [ 2615.183494][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.183494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.183494][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.183494][ T73] netlink_unicast+0x449/0x710 [ 2615.183494][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.183494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.183494][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.183494][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.183494][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.183494][ T73] [ 2615.185910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.185910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2615.185910][ T73] ipv6_find_idev+0x102/0x170 [ 2615.185910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.185910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.185910][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.185910][ T73] netlink_unicast+0x449/0x710 [ 2615.185910][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.185910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.185910][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.185910][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.185910][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.185910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.185910][ T73] [ 2615.187748][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2615.187748][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2615.187748][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2615.187748][ T73] ipv6_find_idev+0x102/0x170 [ 2615.187748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.187748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.187748][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.187748][ T73] netlink_unicast+0x449/0x710 [ 2615.187748][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.187748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.187748][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.187748][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.187748][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.187748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.187748][ T73] [ 2615.190007][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2615.190309][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2615.190309][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.190309][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.190309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.190309][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2615.190309][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2615.190309][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2615.190309][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2615.190309][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2615.190309][ T73] addrconf_dad_begin+0x310/0x670 [ 2615.190309][ T73] addrconf_dad_work+0x10b/0xab0 [ 2615.190309][ T73] process_one_work+0x84d/0x18a0 [ 2615.190309][ T73] worker_thread+0x587/0xd30 [ 2615.190309][ T73] kthread+0x28a/0x350 [ 2615.190309][ T73] ret_from_fork+0x31/0x70 [ 2615.190309][ T73] ret_from_fork_asm+0x1a/0x30 [ 2615.190309][ T73] [ 2615.192722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2615.192722][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.192722][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.192722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.192722][ T73] ip6_route_add+0x1c/0x140 [ 2615.192722][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2615.192722][ T73] inet6_addr_add+0x4f8/0xa40 [ 2615.192722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.192722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.192722][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.192722][ T73] netlink_unicast+0x449/0x710 [ 2615.192722][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.192722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.192722][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.192722][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.192722][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.192722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.192722][ T73] [ 2615.195318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2615.195318][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.195318][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.195318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.195318][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2615.195318][ T73] ipv6_add_addr+0x411/0x2000 [ 2615.195318][ T73] inet6_addr_add+0x30e/0xa40 [ 2615.195318][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.195318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.195318][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.195318][ T73] netlink_unicast+0x449/0x710 [ 2615.195318][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.195318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.195318][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.195318][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.195318][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.195318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.195318][ T73] [ 2615.197815][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2615.197815][ T73] netdev_get_by_index+0x5e/0x80 [ 2615.197815][ T73] fib6_nh_init+0x3d8/0x1580 [ 2615.197815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2615.197815][ T73] ip6_route_add+0x1c/0x140 [ 2615.197815][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.197815][ T73] addrconf_add_dev+0xe2/0x170 [ 2615.197815][ T73] inet6_addr_add+0x12f/0xa40 [ 2615.197815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.197815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.197815][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.197815][ T73] netlink_unicast+0x449/0x710 [ 2615.197815][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.197815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.197815][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.197815][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.197815][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.197815][ T73] [ 2615.200327][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2615.200327][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2615.200327][ T73] ipv6_find_idev+0x102/0x170 [ 2615.200327][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.200327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.200327][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.200327][ T73] netlink_unicast+0x449/0x710 [ 2615.200327][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.200327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.200327][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.200327][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.200327][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.200327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.200327][ T73] [ 2615.202285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2615.202285][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2615.202285][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2615.202285][ T73] ipv6_find_idev+0x102/0x170 [ 2615.202285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.202285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.202285][ T73] netlink_rcv_skb+0x130/0x360 [ 2615.202285][ T73] netlink_unicast+0x449/0x710 [ 2615.202285][ T73] netlink_sendmsg+0x723/0xbe0 [ 2615.202285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2615.202285][ T73] ___sys_sendmsg+0xee/0x170 [ 2615.202285][ T73] __sys_sendmsg+0xcd/0x170 [ 2615.202285][ T73] do_syscall_64+0xc6/0x1e0 [ 2615.202285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.202285][ T73] [ 2625.446840][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2625.447319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.447319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2625.447319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2625.447319][ T73] fib6_nh_init+0xa22/0x1580 [ 2625.447319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.447319][ T73] ip6_route_add+0x1c/0x140 [ 2625.447319][ T73] inet6_rtm_newroute+0x104/0x110 [ 2625.447319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.447319][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.447319][ T73] netlink_unicast+0x449/0x710 [ 2625.447319][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.447319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.447319][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.447319][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.447319][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.447319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.447319][ T73] [ 2625.449445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.449445][ T73] dst_init+0x84/0x4a0 [ 2625.449445][ T73] dst_alloc+0x97/0x150 [ 2625.449445][ T73] ip6_dst_alloc+0x23/0x90 [ 2625.449445][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.449445][ T73] ip6_pol_route+0x56f/0x840 [ 2625.449445][ T73] fib6_rule_lookup+0x456/0x630 [ 2625.449445][ T73] ip6_route_input+0x59c/0xa50 [ 2625.449445][ T73] ipv6_rcv+0x397/0x810 [ 2625.449445][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2625.449445][ T73] process_backlog+0x101/0x620 [ 2625.449445][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2625.449445][ T73] net_rx_action+0x495/0xbe0 [ 2625.449445][ T73] __do_softirq+0x1b5/0x7f6 [ 2625.449445][ T73] [ 2625.451279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.451279][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.451279][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.451279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.451279][ T73] ip6_route_add+0x1c/0x140 [ 2625.451279][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2625.451279][ T73] inet6_addr_add+0x4f8/0xa40 [ 2625.451279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.451279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.451279][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.451279][ T73] netlink_unicast+0x449/0x710 [ 2625.451279][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.451279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.451279][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.451279][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.451279][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.451279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.451279][ T73] [ 2625.453520][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.453520][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.453520][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.453520][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.453520][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2625.453520][ T73] ipv6_add_addr+0x411/0x2000 [ 2625.453520][ T73] inet6_addr_add+0x30e/0xa40 [ 2625.453520][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.453520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.453520][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.453520][ T73] netlink_unicast+0x449/0x710 [ 2625.453520][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.453520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.453520][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.453520][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.453520][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.453520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.453520][ T73] [ 2625.455760][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.455760][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.455760][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.455760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.455760][ T73] ip6_route_add+0x1c/0x140 [ 2625.455760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.455760][ T73] addrconf_add_dev+0xe2/0x170 [ 2625.455760][ T73] inet6_addr_add+0x12f/0xa40 [ 2625.455760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.455760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.455760][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.455760][ T73] netlink_unicast+0x449/0x710 [ 2625.455760][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.455760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.455760][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.455760][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.455760][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.455760][ T73] [ 2625.457977][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.457977][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2625.457977][ T73] ipv6_find_idev+0x102/0x170 [ 2625.457977][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.457977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.457977][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.457977][ T73] netlink_unicast+0x449/0x710 [ 2625.457977][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.457977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.457977][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.457977][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.457977][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.457977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.457977][ T73] [ 2625.459702][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2625.459702][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2625.459702][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2625.459702][ T73] ipv6_find_idev+0x102/0x170 [ 2625.459702][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.459702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.459702][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.459702][ T73] netlink_unicast+0x449/0x710 [ 2625.459702][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.459702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.459702][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.459702][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.459702][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.459702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.459702][ T73] [ 2625.461601][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2625.461909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.461909][ T73] dst_init+0x84/0x4a0 [ 2625.461909][ T73] dst_alloc+0x97/0x150 [ 2625.461909][ T73] ip6_dst_alloc+0x23/0x90 [ 2625.461909][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.461909][ T73] ip6_pol_route+0x56f/0x840 [ 2625.461909][ T73] fib6_rule_lookup+0x456/0x630 [ 2625.461909][ T73] ip6_route_input+0x59c/0xa50 [ 2625.461909][ T73] ipv6_rcv+0x397/0x810 [ 2625.461909][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2625.461909][ T73] process_backlog+0x101/0x620 [ 2625.461909][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2625.461909][ T73] net_rx_action+0x495/0xbe0 [ 2625.461909][ T73] __do_softirq+0x1b5/0x7f6 [ 2625.461909][ T73] [ 2625.463751][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.463751][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.463751][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.463751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.463751][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2625.463751][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.463751][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2625.463751][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.463751][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2625.463751][ T73] addrconf_dad_begin+0x310/0x670 [ 2625.463751][ T73] addrconf_dad_work+0x10b/0xab0 [ 2625.463751][ T73] process_one_work+0x84d/0x18a0 [ 2625.463751][ T73] worker_thread+0x587/0xd30 [ 2625.463751][ T73] kthread+0x28a/0x350 [ 2625.463751][ T73] ret_from_fork+0x31/0x70 [ 2625.463751][ T73] ret_from_fork_asm+0x1a/0x30 [ 2625.463751][ T73] [ 2625.465931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.465931][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.465931][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.465931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.465931][ T73] ip6_route_add+0x1c/0x140 [ 2625.465931][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2625.465931][ T73] inet6_addr_add+0x4f8/0xa40 [ 2625.465931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.465931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.465931][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.465931][ T73] netlink_unicast+0x449/0x710 [ 2625.465931][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.465931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.465931][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.465931][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.465931][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.465931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.465931][ T73] [ 2625.468179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.468179][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.468179][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.468179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.468179][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2625.468179][ T73] ipv6_add_addr+0x411/0x2000 [ 2625.468179][ T73] inet6_addr_add+0x30e/0xa40 [ 2625.468179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.468179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.468179][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.468179][ T73] netlink_unicast+0x449/0x710 [ 2625.468179][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.468179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.468179][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.468179][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.468179][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.468179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.468179][ T73] [ 2625.470417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.470417][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.470417][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.470417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.470417][ T73] ip6_route_add+0x1c/0x140 [ 2625.470417][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.470417][ T73] addrconf_add_dev+0xe2/0x170 [ 2625.470417][ T73] inet6_addr_add+0x12f/0xa40 [ 2625.470417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.470417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.470417][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.470417][ T73] netlink_unicast+0x449/0x710 [ 2625.470417][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.470417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.470417][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.470417][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.470417][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.470417][ T73] [ 2625.472627][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.472627][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2625.472627][ T73] ipv6_find_idev+0x102/0x170 [ 2625.472627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.472627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.472627][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.472627][ T73] netlink_unicast+0x449/0x710 [ 2625.472627][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.472627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.472627][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.472627][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.472627][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.472627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.472627][ T73] [ 2625.474345][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2625.474345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2625.474345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2625.474345][ T73] ipv6_find_idev+0x102/0x170 [ 2625.474345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.474345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.474345][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.474345][ T73] netlink_unicast+0x449/0x710 [ 2625.474345][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.474345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.474345][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.474345][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.474345][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.474345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.474345][ T73] [ 2625.476294][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2625.476584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.476584][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2625.476584][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2625.476584][ T73] fib6_nh_init+0xa22/0x1580 [ 2625.476584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.476584][ T73] ip6_route_add+0x1c/0x140 [ 2625.476584][ T73] inet6_rtm_newroute+0x104/0x110 [ 2625.476584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.476584][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.476584][ T73] netlink_unicast+0x449/0x710 [ 2625.476584][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.476584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.476584][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.476584][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.476584][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.476584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.476584][ T73] [ 2625.478749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.478749][ T73] dst_init+0x84/0x4a0 [ 2625.478749][ T73] dst_alloc+0x97/0x150 [ 2625.478749][ T73] ip6_dst_alloc+0x23/0x90 [ 2625.478749][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.478749][ T73] ip6_pol_route+0x56f/0x840 [ 2625.478749][ T73] fib6_rule_lookup+0x456/0x630 [ 2625.478749][ T73] ip6_route_input+0x59c/0xa50 [ 2625.478749][ T73] ipv6_rcv+0x397/0x810 [ 2625.478749][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2625.478749][ T73] process_backlog+0x101/0x620 [ 2625.478749][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2625.478749][ T73] net_rx_action+0x495/0xbe0 [ 2625.478749][ T73] __do_softirq+0x1b5/0x7f6 [ 2625.478749][ T73] [ 2625.480649][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.480649][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.480649][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.480649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.480649][ T73] ip6_route_add+0x1c/0x140 [ 2625.480649][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2625.480649][ T73] inet6_addr_add+0x4f8/0xa40 [ 2625.480649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.480649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.480649][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.480649][ T73] netlink_unicast+0x449/0x710 [ 2625.480649][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.480649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.480649][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.480649][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.480649][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.480649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.480649][ T73] [ 2625.482959][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.482959][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.482959][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.482959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.482959][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2625.482959][ T73] ipv6_add_addr+0x411/0x2000 [ 2625.482959][ T73] inet6_addr_add+0x30e/0xa40 [ 2625.482959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.482959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.482959][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.482959][ T73] netlink_unicast+0x449/0x710 [ 2625.482959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.482959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.482959][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.482959][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.482959][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.482959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.482959][ T73] [ 2625.485275][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.485275][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.485275][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.485275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.485275][ T73] ip6_route_add+0x1c/0x140 [ 2625.485275][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.485275][ T73] addrconf_add_dev+0xe2/0x170 [ 2625.485275][ T73] inet6_addr_add+0x12f/0xa40 [ 2625.485275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.485275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.485275][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.485275][ T73] netlink_unicast+0x449/0x710 [ 2625.485275][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.485275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.485275][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.485275][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.485275][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.485275][ T73] [ 2625.487533][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.487533][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2625.487533][ T73] ipv6_find_idev+0x102/0x170 [ 2625.487533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.487533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.487533][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.487533][ T73] netlink_unicast+0x449/0x710 [ 2625.487533][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.487533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.487533][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.487533][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.487533][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.487533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.487533][ T73] [ 2625.489319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2625.489319][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2625.489319][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2625.489319][ T73] ipv6_find_idev+0x102/0x170 [ 2625.489319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.489319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.489319][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.489319][ T73] netlink_unicast+0x449/0x710 [ 2625.489319][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.489319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.489319][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.489319][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.489319][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.489319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.489319][ T73] [ 2625.491333][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2625.491635][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2625.491635][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.491635][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.491635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.491635][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2625.491635][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.491635][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2625.491635][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.491635][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2625.491635][ T73] addrconf_dad_begin+0x310/0x670 [ 2625.491635][ T73] addrconf_dad_work+0x10b/0xab0 [ 2625.491635][ T73] process_one_work+0x84d/0x18a0 [ 2625.491635][ T73] worker_thread+0x587/0xd30 [ 2625.491635][ T73] kthread+0x28a/0x350 [ 2625.491635][ T73] ret_from_fork+0x31/0x70 [ 2625.491635][ T73] ret_from_fork_asm+0x1a/0x30 [ 2625.491635][ T73] [ 2625.493857][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2625.493857][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.493857][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.493857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.493857][ T73] ip6_route_add+0x1c/0x140 [ 2625.493857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2625.493857][ T73] inet6_addr_add+0x4f8/0xa40 [ 2625.493857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.493857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.493857][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.493857][ T73] netlink_unicast+0x449/0x710 [ 2625.493857][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.493857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.493857][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.493857][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.493857][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.493857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.493857][ T73] [ 2625.496190][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2625.496190][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.496190][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.496190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.496190][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2625.496190][ T73] ipv6_add_addr+0x411/0x2000 [ 2625.496190][ T73] inet6_addr_add+0x30e/0xa40 [ 2625.496190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.496190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.496190][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.496190][ T73] netlink_unicast+0x449/0x710 [ 2625.496190][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.496190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.496190][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.496190][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.496190][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.496190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.496190][ T73] [ 2625.498586][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2625.498586][ T73] netdev_get_by_index+0x5e/0x80 [ 2625.498586][ T73] fib6_nh_init+0x3d8/0x1580 [ 2625.498586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2625.498586][ T73] ip6_route_add+0x1c/0x140 [ 2625.498586][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.498586][ T73] addrconf_add_dev+0xe2/0x170 [ 2625.498586][ T73] inet6_addr_add+0x12f/0xa40 [ 2625.498586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.498586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.498586][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.498586][ T73] netlink_unicast+0x449/0x710 [ 2625.498586][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.498586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.498586][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.498586][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.498586][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.498586][ T73] [ 2625.500851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2625.500851][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2625.500851][ T73] ipv6_find_idev+0x102/0x170 [ 2625.500851][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.500851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.500851][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.500851][ T73] netlink_unicast+0x449/0x710 [ 2625.500851][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.500851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.500851][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.500851][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.500851][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.500851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.500851][ T73] [ 2625.502661][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2625.502661][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2625.502661][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2625.502661][ T73] ipv6_find_idev+0x102/0x170 [ 2625.502661][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.502661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.502661][ T73] netlink_rcv_skb+0x130/0x360 [ 2625.502661][ T73] netlink_unicast+0x449/0x710 [ 2625.502661][ T73] netlink_sendmsg+0x723/0xbe0 [ 2625.502661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2625.502661][ T73] ___sys_sendmsg+0xee/0x170 [ 2625.502661][ T73] __sys_sendmsg+0xcd/0x170 [ 2625.502661][ T73] do_syscall_64+0xc6/0x1e0 [ 2625.502661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.502661][ T73] [ 2635.742885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2635.743335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.743335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2635.743335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2635.743335][ T73] fib6_nh_init+0xa22/0x1580 [ 2635.743335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.743335][ T73] ip6_route_add+0x1c/0x140 [ 2635.743335][ T73] inet6_rtm_newroute+0x104/0x110 [ 2635.743335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.743335][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.743335][ T73] netlink_unicast+0x449/0x710 [ 2635.743335][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.743335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.743335][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.743335][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.743335][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.743335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.743335][ T73] [ 2635.745464][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.745464][ T73] dst_init+0x84/0x4a0 [ 2635.745464][ T73] dst_alloc+0x97/0x150 [ 2635.745464][ T73] ip6_dst_alloc+0x23/0x90 [ 2635.745464][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2635.745464][ T73] ip6_pol_route+0x56f/0x840 [ 2635.745464][ T73] fib6_rule_lookup+0x456/0x630 [ 2635.745464][ T73] ip6_route_input+0x59c/0xa50 [ 2635.745464][ T73] ipv6_rcv+0x397/0x810 [ 2635.745464][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2635.745464][ T73] process_backlog+0x101/0x620 [ 2635.745464][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2635.745464][ T73] net_rx_action+0x495/0xbe0 [ 2635.745464][ T73] __do_softirq+0x1b5/0x7f6 [ 2635.745464][ T73] [ 2635.747334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.747334][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.747334][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.747334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.747334][ T73] ip6_route_add+0x1c/0x140 [ 2635.747334][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2635.747334][ T73] inet6_addr_add+0x4f8/0xa40 [ 2635.747334][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.747334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.747334][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.747334][ T73] netlink_unicast+0x449/0x710 [ 2635.747334][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.747334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.747334][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.747334][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.747334][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.747334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.747334][ T73] [ 2635.749576][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.749576][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.749576][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.749576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.749576][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2635.749576][ T73] ipv6_add_addr+0x411/0x2000 [ 2635.749576][ T73] inet6_addr_add+0x30e/0xa40 [ 2635.749576][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.749576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.749576][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.749576][ T73] netlink_unicast+0x449/0x710 [ 2635.749576][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.749576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.749576][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.749576][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.749576][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.749576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.749576][ T73] [ 2635.751780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.751780][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.751780][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.751780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.751780][ T73] ip6_route_add+0x1c/0x140 [ 2635.751780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.751780][ T73] addrconf_add_dev+0xe2/0x170 [ 2635.751780][ T73] inet6_addr_add+0x12f/0xa40 [ 2635.751780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.751780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.751780][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.751780][ T73] netlink_unicast+0x449/0x710 [ 2635.751780][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.751780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.751780][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.751780][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.751780][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.751780][ T73] [ 2635.753932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.753932][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2635.753932][ T73] ipv6_find_idev+0x102/0x170 [ 2635.753932][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.753932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.753932][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.753932][ T73] netlink_unicast+0x449/0x710 [ 2635.753932][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.753932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.753932][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.753932][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.753932][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.753932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.753932][ T73] [ 2635.755619][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2635.755619][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2635.755619][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2635.755619][ T73] ipv6_find_idev+0x102/0x170 [ 2635.755619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.755619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.755619][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.755619][ T73] netlink_unicast+0x449/0x710 [ 2635.755619][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.755619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.755619][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.755619][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.755619][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.755619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.755619][ T73] [ 2635.757465][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2635.757786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.757786][ T73] dst_init+0x84/0x4a0 [ 2635.757786][ T73] dst_alloc+0x97/0x150 [ 2635.757786][ T73] ip6_dst_alloc+0x23/0x90 [ 2635.757786][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2635.757786][ T73] ip6_pol_route+0x56f/0x840 [ 2635.757786][ T73] fib6_rule_lookup+0x456/0x630 [ 2635.757786][ T73] ip6_route_input+0x59c/0xa50 [ 2635.757786][ T73] ipv6_rcv+0x397/0x810 [ 2635.757786][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2635.757786][ T73] process_backlog+0x101/0x620 [ 2635.757786][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2635.757786][ T73] net_rx_action+0x495/0xbe0 [ 2635.757786][ T73] __do_softirq+0x1b5/0x7f6 [ 2635.757786][ T73] [ 2635.759643][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.759643][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.759643][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.759643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.759643][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2635.759643][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.759643][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2635.759643][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.759643][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2635.759643][ T73] addrconf_dad_begin+0x310/0x670 [ 2635.759643][ T73] addrconf_dad_work+0x10b/0xab0 [ 2635.759643][ T73] process_one_work+0x84d/0x18a0 [ 2635.759643][ T73] worker_thread+0x587/0xd30 [ 2635.759643][ T73] kthread+0x28a/0x350 [ 2635.759643][ T73] ret_from_fork+0x31/0x70 [ 2635.759643][ T73] ret_from_fork_asm+0x1a/0x30 [ 2635.759643][ T73] [ 2635.761783][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.761783][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.761783][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.761783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.761783][ T73] ip6_route_add+0x1c/0x140 [ 2635.761783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2635.761783][ T73] inet6_addr_add+0x4f8/0xa40 [ 2635.761783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.761783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.761783][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.761783][ T73] netlink_unicast+0x449/0x710 [ 2635.761783][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.761783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.761783][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.761783][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.761783][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.761783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.761783][ T73] [ 2635.763972][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.763972][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.763972][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.763972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.763972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2635.763972][ T73] ipv6_add_addr+0x411/0x2000 [ 2635.763972][ T73] inet6_addr_add+0x30e/0xa40 [ 2635.763972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.763972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.763972][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.763972][ T73] netlink_unicast+0x449/0x710 [ 2635.763972][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.763972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.763972][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.763972][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.763972][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.763972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.763972][ T73] [ 2635.766206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.766206][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.766206][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.766206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.766206][ T73] ip6_route_add+0x1c/0x140 [ 2635.766206][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.766206][ T73] addrconf_add_dev+0xe2/0x170 [ 2635.766206][ T73] inet6_addr_add+0x12f/0xa40 [ 2635.766206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.766206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.766206][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.766206][ T73] netlink_unicast+0x449/0x710 [ 2635.766206][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.766206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.766206][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.766206][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.766206][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.766206][ T73] [ 2635.768406][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.768406][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2635.768406][ T73] ipv6_find_idev+0x102/0x170 [ 2635.768406][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.768406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.768406][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.768406][ T73] netlink_unicast+0x449/0x710 [ 2635.768406][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.768406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.768406][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.768406][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.768406][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.768406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.768406][ T73] [ 2635.770139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2635.770139][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2635.770139][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2635.770139][ T73] ipv6_find_idev+0x102/0x170 [ 2635.770139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.770139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.770139][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.770139][ T73] netlink_unicast+0x449/0x710 [ 2635.770139][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.770139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.770139][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.770139][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.770139][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.770139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.770139][ T73] [ 2635.772143][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2635.772452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.772452][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2635.772452][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2635.772452][ T73] fib6_nh_init+0xa22/0x1580 [ 2635.772452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.772452][ T73] ip6_route_add+0x1c/0x140 [ 2635.772452][ T73] inet6_rtm_newroute+0x104/0x110 [ 2635.772452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.772452][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.772452][ T73] netlink_unicast+0x449/0x710 [ 2635.772452][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.772452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.772452][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.772452][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.772452][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.772452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.772452][ T73] [ 2635.774794][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.774794][ T73] dst_init+0x84/0x4a0 [ 2635.774794][ T73] dst_alloc+0x97/0x150 [ 2635.774794][ T73] ip6_dst_alloc+0x23/0x90 [ 2635.774794][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2635.774794][ T73] ip6_pol_route+0x56f/0x840 [ 2635.774794][ T73] fib6_rule_lookup+0x456/0x630 [ 2635.774794][ T73] ip6_route_input+0x59c/0xa50 [ 2635.774794][ T73] ipv6_rcv+0x397/0x810 [ 2635.774794][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2635.774794][ T73] process_backlog+0x101/0x620 [ 2635.774794][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2635.774794][ T73] net_rx_action+0x495/0xbe0 [ 2635.774794][ T73] __do_softirq+0x1b5/0x7f6 [ 2635.774794][ T73] [ 2635.776857][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.776857][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.776857][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.776857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.776857][ T73] ip6_route_add+0x1c/0x140 [ 2635.776857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2635.776857][ T73] inet6_addr_add+0x4f8/0xa40 [ 2635.776857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.776857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.776857][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.776857][ T73] netlink_unicast+0x449/0x710 [ 2635.776857][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.776857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.776857][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.776857][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.776857][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.776857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.776857][ T73] [ 2635.779371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.779371][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.779371][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.779371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.779371][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2635.779371][ T73] ipv6_add_addr+0x411/0x2000 [ 2635.779371][ T73] inet6_addr_add+0x30e/0xa40 [ 2635.779371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.779371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.779371][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.779371][ T73] netlink_unicast+0x449/0x710 [ 2635.779371][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.779371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.779371][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.779371][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.779371][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.779371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.779371][ T73] [ 2635.781740][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.781740][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.781740][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.781740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.781740][ T73] ip6_route_add+0x1c/0x140 [ 2635.781740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.781740][ T73] addrconf_add_dev+0xe2/0x170 [ 2635.781740][ T73] inet6_addr_add+0x12f/0xa40 [ 2635.781740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.781740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.781740][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.781740][ T73] netlink_unicast+0x449/0x710 [ 2635.781740][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.781740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.781740][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.781740][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.781740][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.781740][ T73] [ 2635.784143][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.784143][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2635.784143][ T73] ipv6_find_idev+0x102/0x170 [ 2635.784143][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.784143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.784143][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.784143][ T73] netlink_unicast+0x449/0x710 [ 2635.784143][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.784143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.784143][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.784143][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.784143][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.784143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.784143][ T73] [ 2635.786045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2635.786045][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2635.786045][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2635.786045][ T73] ipv6_find_idev+0x102/0x170 [ 2635.786045][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.786045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.786045][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.786045][ T73] netlink_unicast+0x449/0x710 [ 2635.786045][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.786045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.786045][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.786045][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.786045][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.786045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.786045][ T73] [ 2635.788248][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2635.788543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2635.788543][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.788543][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.788543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.788543][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2635.788543][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.788543][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2635.788543][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.788543][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2635.788543][ T73] addrconf_dad_begin+0x310/0x670 [ 2635.788543][ T73] addrconf_dad_work+0x10b/0xab0 [ 2635.788543][ T73] process_one_work+0x84d/0x18a0 [ 2635.788543][ T73] worker_thread+0x587/0xd30 [ 2635.788543][ T73] kthread+0x28a/0x350 [ 2635.788543][ T73] ret_from_fork+0x31/0x70 [ 2635.788543][ T73] ret_from_fork_asm+0x1a/0x30 [ 2635.788543][ T73] [ 2635.790916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2635.790916][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.790916][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.790916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.790916][ T73] ip6_route_add+0x1c/0x140 [ 2635.790916][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2635.790916][ T73] inet6_addr_add+0x4f8/0xa40 [ 2635.790916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.790916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.790916][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.790916][ T73] netlink_unicast+0x449/0x710 [ 2635.790916][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.790916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.790916][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.790916][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.790916][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.790916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.790916][ T73] [ 2635.793317][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2635.793317][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.793317][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.793317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.793317][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2635.793317][ T73] ipv6_add_addr+0x411/0x2000 [ 2635.793317][ T73] inet6_addr_add+0x30e/0xa40 [ 2635.793317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.793317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.793317][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.793317][ T73] netlink_unicast+0x449/0x710 [ 2635.793317][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.793317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.793317][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.793317][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.793317][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.793317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.793317][ T73] [ 2635.795755][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2635.795755][ T73] netdev_get_by_index+0x5e/0x80 [ 2635.795755][ T73] fib6_nh_init+0x3d8/0x1580 [ 2635.795755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2635.795755][ T73] ip6_route_add+0x1c/0x140 [ 2635.795755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.795755][ T73] addrconf_add_dev+0xe2/0x170 [ 2635.795755][ T73] inet6_addr_add+0x12f/0xa40 [ 2635.795755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.795755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.795755][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.795755][ T73] netlink_unicast+0x449/0x710 [ 2635.795755][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.795755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.795755][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.795755][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.795755][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.795755][ T73] [ 2635.798274][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2635.798274][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2635.798274][ T73] ipv6_find_idev+0x102/0x170 [ 2635.798274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.798274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.798274][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.798274][ T73] netlink_unicast+0x449/0x710 [ 2635.798274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.798274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.798274][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.798274][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.798274][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.798274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.798274][ T73] [ 2635.800193][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2635.800193][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2635.800193][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2635.800193][ T73] ipv6_find_idev+0x102/0x170 [ 2635.800193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.800193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.800193][ T73] netlink_rcv_skb+0x130/0x360 [ 2635.800193][ T73] netlink_unicast+0x449/0x710 [ 2635.800193][ T73] netlink_sendmsg+0x723/0xbe0 [ 2635.800193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2635.800193][ T73] ___sys_sendmsg+0xee/0x170 [ 2635.800193][ T73] __sys_sendmsg+0xcd/0x170 [ 2635.800193][ T73] do_syscall_64+0xc6/0x1e0 [ 2635.800193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.800193][ T73] [ 2646.038886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2646.039311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.039311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2646.039311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2646.039311][ T73] fib6_nh_init+0xa22/0x1580 [ 2646.039311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.039311][ T73] ip6_route_add+0x1c/0x140 [ 2646.039311][ T73] inet6_rtm_newroute+0x104/0x110 [ 2646.039311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.039311][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.039311][ T73] netlink_unicast+0x449/0x710 [ 2646.039311][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.039311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.039311][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.039311][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.039311][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.039311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.039311][ T73] [ 2646.041433][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.041433][ T73] dst_init+0x84/0x4a0 [ 2646.041433][ T73] dst_alloc+0x97/0x150 [ 2646.041433][ T73] ip6_dst_alloc+0x23/0x90 [ 2646.041433][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.041433][ T73] ip6_pol_route+0x56f/0x840 [ 2646.041433][ T73] fib6_rule_lookup+0x456/0x630 [ 2646.041433][ T73] ip6_route_input+0x59c/0xa50 [ 2646.041433][ T73] ipv6_rcv+0x397/0x810 [ 2646.041433][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2646.041433][ T73] process_backlog+0x101/0x620 [ 2646.041433][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2646.041433][ T73] net_rx_action+0x495/0xbe0 [ 2646.041433][ T73] __do_softirq+0x1b5/0x7f6 [ 2646.041433][ T73] [ 2646.043302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.043302][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.043302][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.043302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.043302][ T73] ip6_route_add+0x1c/0x140 [ 2646.043302][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2646.043302][ T73] inet6_addr_add+0x4f8/0xa40 [ 2646.043302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.043302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.043302][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.043302][ T73] netlink_unicast+0x449/0x710 [ 2646.043302][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.043302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.043302][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.043302][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.043302][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.043302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.043302][ T73] [ 2646.045590][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.045590][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.045590][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.045590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.045590][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2646.045590][ T73] ipv6_add_addr+0x411/0x2000 [ 2646.045590][ T73] inet6_addr_add+0x30e/0xa40 [ 2646.045590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.045590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.045590][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.045590][ T73] netlink_unicast+0x449/0x710 [ 2646.045590][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.045590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.045590][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.045590][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.045590][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.045590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.045590][ T73] [ 2646.047881][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.047881][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.047881][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.047881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.047881][ T73] ip6_route_add+0x1c/0x140 [ 2646.047881][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.047881][ T73] addrconf_add_dev+0xe2/0x170 [ 2646.047881][ T73] inet6_addr_add+0x12f/0xa40 [ 2646.047881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.047881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.047881][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.047881][ T73] netlink_unicast+0x449/0x710 [ 2646.047881][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.047881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.047881][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.047881][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.047881][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.047881][ T73] [ 2646.050173][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.050173][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2646.050173][ T73] ipv6_find_idev+0x102/0x170 [ 2646.050173][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.050173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.050173][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.050173][ T73] netlink_unicast+0x449/0x710 [ 2646.050173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.050173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.050173][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.050173][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.050173][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.050173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.050173][ T73] [ 2646.051879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2646.051879][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2646.051879][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2646.051879][ T73] ipv6_find_idev+0x102/0x170 [ 2646.051879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.051879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.051879][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.051879][ T73] netlink_unicast+0x449/0x710 [ 2646.051879][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.051879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.051879][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.051879][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.051879][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.051879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.051879][ T73] [ 2646.053781][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2646.054103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.054103][ T73] dst_init+0x84/0x4a0 [ 2646.054103][ T73] dst_alloc+0x97/0x150 [ 2646.054103][ T73] ip6_dst_alloc+0x23/0x90 [ 2646.054103][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.054103][ T73] ip6_pol_route+0x56f/0x840 [ 2646.054103][ T73] fib6_rule_lookup+0x456/0x630 [ 2646.054103][ T73] ip6_route_input+0x59c/0xa50 [ 2646.054103][ T73] ipv6_rcv+0x397/0x810 [ 2646.054103][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2646.054103][ T73] process_backlog+0x101/0x620 [ 2646.054103][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2646.054103][ T73] net_rx_action+0x495/0xbe0 [ 2646.054103][ T73] __do_softirq+0x1b5/0x7f6 [ 2646.054103][ T73] [ 2646.056010][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.056010][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.056010][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.056010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.056010][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2646.056010][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2646.056010][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2646.056010][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2646.056010][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2646.056010][ T73] addrconf_dad_begin+0x310/0x670 [ 2646.056010][ T73] addrconf_dad_work+0x10b/0xab0 [ 2646.056010][ T73] process_one_work+0x84d/0x18a0 [ 2646.056010][ T73] worker_thread+0x587/0xd30 [ 2646.056010][ T73] kthread+0x28a/0x350 [ 2646.056010][ T73] ret_from_fork+0x31/0x70 [ 2646.056010][ T73] ret_from_fork_asm+0x1a/0x30 [ 2646.056010][ T73] [ 2646.058229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.058229][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.058229][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.058229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.058229][ T73] ip6_route_add+0x1c/0x140 [ 2646.058229][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2646.058229][ T73] inet6_addr_add+0x4f8/0xa40 [ 2646.058229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.058229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.058229][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.058229][ T73] netlink_unicast+0x449/0x710 [ 2646.058229][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.058229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.058229][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.058229][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.058229][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.058229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.058229][ T73] [ 2646.060508][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.060508][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.060508][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.060508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.060508][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2646.060508][ T73] ipv6_add_addr+0x411/0x2000 [ 2646.060508][ T73] inet6_addr_add+0x30e/0xa40 [ 2646.060508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.060508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.060508][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.060508][ T73] netlink_unicast+0x449/0x710 [ 2646.060508][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.060508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.060508][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.060508][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.060508][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.060508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.060508][ T73] [ 2646.062819][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.062819][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.062819][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.062819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.062819][ T73] ip6_route_add+0x1c/0x140 [ 2646.062819][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.062819][ T73] addrconf_add_dev+0xe2/0x170 [ 2646.062819][ T73] inet6_addr_add+0x12f/0xa40 [ 2646.062819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.062819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.062819][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.062819][ T73] netlink_unicast+0x449/0x710 [ 2646.062819][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.062819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.062819][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.062819][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.062819][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.062819][ T73] [ 2646.065039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.065039][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2646.065039][ T73] ipv6_find_idev+0x102/0x170 [ 2646.065039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.065039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.065039][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.065039][ T73] netlink_unicast+0x449/0x710 [ 2646.065039][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.065039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.065039][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.065039][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.065039][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.065039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.065039][ T73] [ 2646.066782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2646.066782][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2646.066782][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2646.066782][ T73] ipv6_find_idev+0x102/0x170 [ 2646.066782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.066782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.066782][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.066782][ T73] netlink_unicast+0x449/0x710 [ 2646.066782][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.066782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.066782][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.066782][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.066782][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.066782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.066782][ T73] [ 2646.068804][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2646.069112][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.069112][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2646.069112][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2646.069112][ T73] fib6_nh_init+0xa22/0x1580 [ 2646.069112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.069112][ T73] ip6_route_add+0x1c/0x140 [ 2646.069112][ T73] inet6_rtm_newroute+0x104/0x110 [ 2646.069112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.069112][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.069112][ T73] netlink_unicast+0x449/0x710 [ 2646.069112][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.069112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.069112][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.069112][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.069112][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.069112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.069112][ T73] [ 2646.071442][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.071442][ T73] dst_init+0x84/0x4a0 [ 2646.071442][ T73] dst_alloc+0x97/0x150 [ 2646.071442][ T73] ip6_dst_alloc+0x23/0x90 [ 2646.071442][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.071442][ T73] ip6_pol_route+0x56f/0x840 [ 2646.071442][ T73] fib6_rule_lookup+0x456/0x630 [ 2646.071442][ T73] ip6_route_input+0x59c/0xa50 [ 2646.071442][ T73] ipv6_rcv+0x397/0x810 [ 2646.071442][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2646.071442][ T73] process_backlog+0x101/0x620 [ 2646.071442][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2646.071442][ T73] net_rx_action+0x495/0xbe0 [ 2646.071442][ T73] __do_softirq+0x1b5/0x7f6 [ 2646.071442][ T73] [ 2646.073378][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.073378][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.073378][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.073378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.073378][ T73] ip6_route_add+0x1c/0x140 [ 2646.073378][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2646.073378][ T73] inet6_addr_add+0x4f8/0xa40 [ 2646.073378][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.073378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.073378][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.073378][ T73] netlink_unicast+0x449/0x710 [ 2646.073378][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.073378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.073378][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.073378][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.073378][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.073378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.073378][ T73] [ 2646.075818][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.075818][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.075818][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.075818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.075818][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2646.075818][ T73] ipv6_add_addr+0x411/0x2000 [ 2646.075818][ T73] inet6_addr_add+0x30e/0xa40 [ 2646.075818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.075818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.075818][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.075818][ T73] netlink_unicast+0x449/0x710 [ 2646.075818][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.075818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.075818][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.075818][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.075818][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.075818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.075818][ T73] [ 2646.078266][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.078266][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.078266][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.078266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.078266][ T73] ip6_route_add+0x1c/0x140 [ 2646.078266][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.078266][ T73] addrconf_add_dev+0xe2/0x170 [ 2646.078266][ T73] inet6_addr_add+0x12f/0xa40 [ 2646.078266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.078266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.078266][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.078266][ T73] netlink_unicast+0x449/0x710 [ 2646.078266][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.078266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.078266][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.078266][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.078266][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.078266][ T73] [ 2646.080627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.080627][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2646.080627][ T73] ipv6_find_idev+0x102/0x170 [ 2646.080627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.080627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.080627][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.080627][ T73] netlink_unicast+0x449/0x710 [ 2646.080627][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.080627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.080627][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.080627][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.080627][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.080627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.080627][ T73] [ 2646.082433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2646.082433][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2646.082433][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2646.082433][ T73] ipv6_find_idev+0x102/0x170 [ 2646.082433][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.082433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.082433][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.082433][ T73] netlink_unicast+0x449/0x710 [ 2646.082433][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.082433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.082433][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.082433][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.082433][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.082433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.082433][ T73] [ 2646.084468][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2646.084783][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2646.084783][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.084783][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.084783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.084783][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2646.084783][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2646.084783][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2646.084783][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2646.084783][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2646.084783][ T73] addrconf_dad_begin+0x310/0x670 [ 2646.084783][ T73] addrconf_dad_work+0x10b/0xab0 [ 2646.084783][ T73] process_one_work+0x84d/0x18a0 [ 2646.084783][ T73] worker_thread+0x587/0xd30 [ 2646.084783][ T73] kthread+0x28a/0x350 [ 2646.084783][ T73] ret_from_fork+0x31/0x70 [ 2646.084783][ T73] ret_from_fork_asm+0x1a/0x30 [ 2646.084783][ T73] [ 2646.087114][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2646.087114][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.087114][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.087114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.087114][ T73] ip6_route_add+0x1c/0x140 [ 2646.087114][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2646.087114][ T73] inet6_addr_add+0x4f8/0xa40 [ 2646.087114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.087114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.087114][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.087114][ T73] netlink_unicast+0x449/0x710 [ 2646.087114][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.087114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.087114][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.087114][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.087114][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.087114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.087114][ T73] [ 2646.089559][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2646.089559][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.089559][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.089559][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.089559][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2646.089559][ T73] ipv6_add_addr+0x411/0x2000 [ 2646.089559][ T73] inet6_addr_add+0x30e/0xa40 [ 2646.089559][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.089559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.089559][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.089559][ T73] netlink_unicast+0x449/0x710 [ 2646.089559][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.089559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.089559][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.089559][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.089559][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.089559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.089559][ T73] [ 2646.091992][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2646.091992][ T73] netdev_get_by_index+0x5e/0x80 [ 2646.091992][ T73] fib6_nh_init+0x3d8/0x1580 [ 2646.091992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2646.091992][ T73] ip6_route_add+0x1c/0x140 [ 2646.091992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.091992][ T73] addrconf_add_dev+0xe2/0x170 [ 2646.091992][ T73] inet6_addr_add+0x12f/0xa40 [ 2646.091992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.091992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.091992][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.091992][ T73] netlink_unicast+0x449/0x710 [ 2646.091992][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.091992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.091992][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.091992][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.091992][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.091992][ T73] [ 2646.094335][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2646.094335][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2646.094335][ T73] ipv6_find_idev+0x102/0x170 [ 2646.094335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.094335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.094335][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.094335][ T73] netlink_unicast+0x449/0x710 [ 2646.094335][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.094335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.094335][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.094335][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.094335][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.094335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.094335][ T73] [ 2646.096141][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2646.096141][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2646.096141][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2646.096141][ T73] ipv6_find_idev+0x102/0x170 [ 2646.096141][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.096141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.096141][ T73] netlink_rcv_skb+0x130/0x360 [ 2646.096141][ T73] netlink_unicast+0x449/0x710 [ 2646.096141][ T73] netlink_sendmsg+0x723/0xbe0 [ 2646.096141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2646.096141][ T73] ___sys_sendmsg+0xee/0x170 [ 2646.096141][ T73] __sys_sendmsg+0xcd/0x170 [ 2646.096141][ T73] do_syscall_64+0xc6/0x1e0 [ 2646.096141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.096141][ T73] [ 2656.118829][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2656.119303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.119303][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2656.119303][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2656.119303][ T73] fib6_nh_init+0xa22/0x1580 [ 2656.119303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.119303][ T73] ip6_route_add+0x1c/0x140 [ 2656.119303][ T73] inet6_rtm_newroute+0x104/0x110 [ 2656.119303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.119303][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.119303][ T73] netlink_unicast+0x449/0x710 [ 2656.119303][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.119303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.119303][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.119303][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.119303][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.119303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.119303][ T73] [ 2656.121387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.121387][ T73] dst_init+0x84/0x4a0 [ 2656.121387][ T73] dst_alloc+0x97/0x150 [ 2656.121387][ T73] ip6_dst_alloc+0x23/0x90 [ 2656.121387][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.121387][ T73] ip6_pol_route+0x56f/0x840 [ 2656.121387][ T73] fib6_rule_lookup+0x456/0x630 [ 2656.121387][ T73] ip6_route_input+0x59c/0xa50 [ 2656.121387][ T73] ipv6_rcv+0x397/0x810 [ 2656.121387][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2656.121387][ T73] process_backlog+0x101/0x620 [ 2656.121387][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2656.121387][ T73] net_rx_action+0x495/0xbe0 [ 2656.121387][ T73] __do_softirq+0x1b5/0x7f6 [ 2656.121387][ T73] [ 2656.123244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.123244][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.123244][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.123244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.123244][ T73] ip6_route_add+0x1c/0x140 [ 2656.123244][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2656.123244][ T73] inet6_addr_add+0x4f8/0xa40 [ 2656.123244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.123244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.123244][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.123244][ T73] netlink_unicast+0x449/0x710 [ 2656.123244][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.123244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.123244][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.123244][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.123244][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.123244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.123244][ T73] [ 2656.125449][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.125449][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.125449][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.125449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.125449][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2656.125449][ T73] ipv6_add_addr+0x411/0x2000 [ 2656.125449][ T73] inet6_addr_add+0x30e/0xa40 [ 2656.125449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.125449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.125449][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.125449][ T73] netlink_unicast+0x449/0x710 [ 2656.125449][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.125449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.125449][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.125449][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.125449][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.125449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.125449][ T73] [ 2656.127674][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.127674][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.127674][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.127674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.127674][ T73] ip6_route_add+0x1c/0x140 [ 2656.127674][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.127674][ T73] addrconf_add_dev+0xe2/0x170 [ 2656.127674][ T73] inet6_addr_add+0x12f/0xa40 [ 2656.127674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.127674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.127674][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.127674][ T73] netlink_unicast+0x449/0x710 [ 2656.127674][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.127674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.127674][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.127674][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.127674][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.127674][ T73] [ 2656.129880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.129880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2656.129880][ T73] ipv6_find_idev+0x102/0x170 [ 2656.129880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.129880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.129880][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.129880][ T73] netlink_unicast+0x449/0x710 [ 2656.129880][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.129880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.129880][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.129880][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.129880][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.129880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.129880][ T73] [ 2656.131591][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2656.131591][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2656.131591][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2656.131591][ T73] ipv6_find_idev+0x102/0x170 [ 2656.131591][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.131591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.131591][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.131591][ T73] netlink_unicast+0x449/0x710 [ 2656.131591][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.131591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.131591][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.131591][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.131591][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.131591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.131591][ T73] [ 2656.133503][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2656.133824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.133824][ T73] dst_init+0x84/0x4a0 [ 2656.133824][ T73] dst_alloc+0x97/0x150 [ 2656.133824][ T73] ip6_dst_alloc+0x23/0x90 [ 2656.133824][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.133824][ T73] ip6_pol_route+0x56f/0x840 [ 2656.133824][ T73] fib6_rule_lookup+0x456/0x630 [ 2656.133824][ T73] ip6_route_input+0x59c/0xa50 [ 2656.133824][ T73] ipv6_rcv+0x397/0x810 [ 2656.133824][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2656.133824][ T73] process_backlog+0x101/0x620 [ 2656.133824][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2656.133824][ T73] net_rx_action+0x495/0xbe0 [ 2656.133824][ T73] __do_softirq+0x1b5/0x7f6 [ 2656.133824][ T73] [ 2656.135658][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.135658][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.135658][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.135658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.135658][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2656.135658][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2656.135658][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2656.135658][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2656.135658][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2656.135658][ T73] addrconf_dad_begin+0x310/0x670 [ 2656.135658][ T73] addrconf_dad_work+0x10b/0xab0 [ 2656.135658][ T73] process_one_work+0x84d/0x18a0 [ 2656.135658][ T73] worker_thread+0x587/0xd30 [ 2656.135658][ T73] kthread+0x28a/0x350 [ 2656.135658][ T73] ret_from_fork+0x31/0x70 [ 2656.135658][ T73] ret_from_fork_asm+0x1a/0x30 [ 2656.135658][ T73] [ 2656.137795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.137795][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.137795][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.137795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.137795][ T73] ip6_route_add+0x1c/0x140 [ 2656.137795][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2656.137795][ T73] inet6_addr_add+0x4f8/0xa40 [ 2656.137795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.137795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.137795][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.137795][ T73] netlink_unicast+0x449/0x710 [ 2656.137795][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.137795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.137795][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.137795][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.137795][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.137795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.137795][ T73] [ 2656.140038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.140038][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.140038][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.140038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.140038][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2656.140038][ T73] ipv6_add_addr+0x411/0x2000 [ 2656.140038][ T73] inet6_addr_add+0x30e/0xa40 [ 2656.140038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.140038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.140038][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.140038][ T73] netlink_unicast+0x449/0x710 [ 2656.140038][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.140038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.140038][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.140038][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.140038][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.140038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.140038][ T73] [ 2656.142293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.142293][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.142293][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.142293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.142293][ T73] ip6_route_add+0x1c/0x140 [ 2656.142293][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.142293][ T73] addrconf_add_dev+0xe2/0x170 [ 2656.142293][ T73] inet6_addr_add+0x12f/0xa40 [ 2656.142293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.142293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.142293][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.142293][ T73] netlink_unicast+0x449/0x710 [ 2656.142293][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.142293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.142293][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.142293][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.142293][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.142293][ T73] [ 2656.144460][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.144460][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2656.144460][ T73] ipv6_find_idev+0x102/0x170 [ 2656.144460][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.144460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.144460][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.144460][ T73] netlink_unicast+0x449/0x710 [ 2656.144460][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.144460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.144460][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.144460][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.144460][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.144460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.144460][ T73] [ 2656.146169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2656.146169][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2656.146169][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2656.146169][ T73] ipv6_find_idev+0x102/0x170 [ 2656.146169][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.146169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.146169][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.146169][ T73] netlink_unicast+0x449/0x710 [ 2656.146169][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.146169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.146169][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.146169][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.146169][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.146169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.146169][ T73] [ 2656.148194][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2656.148489][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.148489][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2656.148489][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2656.148489][ T73] fib6_nh_init+0xa22/0x1580 [ 2656.148489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.148489][ T73] ip6_route_add+0x1c/0x140 [ 2656.148489][ T73] inet6_rtm_newroute+0x104/0x110 [ 2656.148489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.148489][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.148489][ T73] netlink_unicast+0x449/0x710 [ 2656.148489][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.148489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.148489][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.148489][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.148489][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.148489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.148489][ T73] [ 2656.150823][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.150823][ T73] dst_init+0x84/0x4a0 [ 2656.150823][ T73] dst_alloc+0x97/0x150 [ 2656.150823][ T73] ip6_dst_alloc+0x23/0x90 [ 2656.150823][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.150823][ T73] ip6_pol_route+0x56f/0x840 [ 2656.150823][ T73] fib6_rule_lookup+0x456/0x630 [ 2656.150823][ T73] ip6_route_input+0x59c/0xa50 [ 2656.150823][ T73] ipv6_rcv+0x397/0x810 [ 2656.150823][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2656.150823][ T73] process_backlog+0x101/0x620 [ 2656.150823][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2656.150823][ T73] net_rx_action+0x495/0xbe0 [ 2656.150823][ T73] __do_softirq+0x1b5/0x7f6 [ 2656.150823][ T73] [ 2656.152808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.152808][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.152808][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.152808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.152808][ T73] ip6_route_add+0x1c/0x140 [ 2656.152808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2656.152808][ T73] inet6_addr_add+0x4f8/0xa40 [ 2656.152808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.152808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.152808][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.152808][ T73] netlink_unicast+0x449/0x710 [ 2656.152808][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.152808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.152808][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.152808][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.152808][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.152808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.152808][ T73] [ 2656.155306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.155306][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.155306][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.155306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.155306][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2656.155306][ T73] ipv6_add_addr+0x411/0x2000 [ 2656.155306][ T73] inet6_addr_add+0x30e/0xa40 [ 2656.155306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.155306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.155306][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.155306][ T73] netlink_unicast+0x449/0x710 [ 2656.155306][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.155306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.155306][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.155306][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.155306][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.155306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.155306][ T73] [ 2656.157735][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.157735][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.157735][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.157735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.157735][ T73] ip6_route_add+0x1c/0x140 [ 2656.157735][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.157735][ T73] addrconf_add_dev+0xe2/0x170 [ 2656.157735][ T73] inet6_addr_add+0x12f/0xa40 [ 2656.157735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.157735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.157735][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.157735][ T73] netlink_unicast+0x449/0x710 [ 2656.157735][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.157735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.157735][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.157735][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.157735][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.157735][ T73] [ 2656.160185][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.160185][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2656.160185][ T73] ipv6_find_idev+0x102/0x170 [ 2656.160185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.160185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.160185][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.160185][ T73] netlink_unicast+0x449/0x710 [ 2656.160185][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.160185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.160185][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.160185][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.160185][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.160185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.160185][ T73] [ 2656.162098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2656.162098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2656.162098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2656.162098][ T73] ipv6_find_idev+0x102/0x170 [ 2656.162098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.162098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.162098][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.162098][ T73] netlink_unicast+0x449/0x710 [ 2656.162098][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.162098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.162098][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.162098][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.162098][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.162098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.162098][ T73] [ 2656.164233][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2656.164540][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2656.164540][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.164540][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.164540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.164540][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2656.164540][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2656.164540][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2656.164540][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2656.164540][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2656.164540][ T73] addrconf_dad_begin+0x310/0x670 [ 2656.164540][ T73] addrconf_dad_work+0x10b/0xab0 [ 2656.164540][ T73] process_one_work+0x84d/0x18a0 [ 2656.164540][ T73] worker_thread+0x587/0xd30 [ 2656.164540][ T73] kthread+0x28a/0x350 [ 2656.164540][ T73] ret_from_fork+0x31/0x70 [ 2656.164540][ T73] ret_from_fork_asm+0x1a/0x30 [ 2656.164540][ T73] [ 2656.166949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2656.166949][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.166949][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.166949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.166949][ T73] ip6_route_add+0x1c/0x140 [ 2656.166949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2656.166949][ T73] inet6_addr_add+0x4f8/0xa40 [ 2656.166949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.166949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.166949][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.166949][ T73] netlink_unicast+0x449/0x710 [ 2656.166949][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.166949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.166949][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.166949][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.166949][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.166949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.166949][ T73] [ 2656.169449][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2656.169449][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.169449][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.169449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.169449][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2656.169449][ T73] ipv6_add_addr+0x411/0x2000 [ 2656.169449][ T73] inet6_addr_add+0x30e/0xa40 [ 2656.169449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.169449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.169449][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.169449][ T73] netlink_unicast+0x449/0x710 [ 2656.169449][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.169449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.169449][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.169449][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.169449][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.169449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.169449][ T73] [ 2656.171952][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2656.171952][ T73] netdev_get_by_index+0x5e/0x80 [ 2656.171952][ T73] fib6_nh_init+0x3d8/0x1580 [ 2656.171952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2656.171952][ T73] ip6_route_add+0x1c/0x140 [ 2656.171952][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.171952][ T73] addrconf_add_dev+0xe2/0x170 [ 2656.171952][ T73] inet6_addr_add+0x12f/0xa40 [ 2656.171952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.171952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.171952][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.171952][ T73] netlink_unicast+0x449/0x710 [ 2656.171952][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.171952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.171952][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.171952][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.171952][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.171952][ T73] [ 2656.174310][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2656.174310][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2656.174310][ T73] ipv6_find_idev+0x102/0x170 [ 2656.174310][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.174310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.174310][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.174310][ T73] netlink_unicast+0x449/0x710 [ 2656.174310][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.174310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.174310][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.174310][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.174310][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.174310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.174310][ T73] [ 2656.176261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2656.176261][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2656.176261][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2656.176261][ T73] ipv6_find_idev+0x102/0x170 [ 2656.176261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.176261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.176261][ T73] netlink_rcv_skb+0x130/0x360 [ 2656.176261][ T73] netlink_unicast+0x449/0x710 [ 2656.176261][ T73] netlink_sendmsg+0x723/0xbe0 [ 2656.176261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2656.176261][ T73] ___sys_sendmsg+0xee/0x170 [ 2656.176261][ T73] __sys_sendmsg+0xcd/0x170 [ 2656.176261][ T73] do_syscall_64+0xc6/0x1e0 [ 2656.176261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.176261][ T73] [ 2666.335029][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2666.335495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.335495][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2666.335495][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2666.335495][ T73] fib6_nh_init+0xa22/0x1580 [ 2666.335495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.335495][ T73] ip6_route_add+0x1c/0x140 [ 2666.335495][ T73] inet6_rtm_newroute+0x104/0x110 [ 2666.335495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.335495][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.335495][ T73] netlink_unicast+0x449/0x710 [ 2666.335495][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.335495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.335495][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.335495][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.335495][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.335495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.335495][ T73] [ 2666.337633][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.337633][ T73] dst_init+0x84/0x4a0 [ 2666.337633][ T73] dst_alloc+0x97/0x150 [ 2666.337633][ T73] ip6_dst_alloc+0x23/0x90 [ 2666.337633][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.337633][ T73] ip6_pol_route+0x56f/0x840 [ 2666.337633][ T73] fib6_rule_lookup+0x456/0x630 [ 2666.337633][ T73] ip6_route_input+0x59c/0xa50 [ 2666.337633][ T73] ipv6_rcv+0x397/0x810 [ 2666.337633][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2666.337633][ T73] process_backlog+0x101/0x620 [ 2666.337633][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2666.337633][ T73] net_rx_action+0x495/0xbe0 [ 2666.337633][ T73] __do_softirq+0x1b5/0x7f6 [ 2666.337633][ T73] [ 2666.339498][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.339498][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.339498][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.339498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.339498][ T73] ip6_route_add+0x1c/0x140 [ 2666.339498][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2666.339498][ T73] inet6_addr_add+0x4f8/0xa40 [ 2666.339498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.339498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.339498][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.339498][ T73] netlink_unicast+0x449/0x710 [ 2666.339498][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.339498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.339498][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.339498][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.339498][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.339498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.339498][ T73] [ 2666.341763][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.341763][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.341763][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.341763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.341763][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2666.341763][ T73] ipv6_add_addr+0x411/0x2000 [ 2666.341763][ T73] inet6_addr_add+0x30e/0xa40 [ 2666.341763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.341763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.341763][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.341763][ T73] netlink_unicast+0x449/0x710 [ 2666.341763][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.341763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.341763][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.341763][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.341763][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.341763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.341763][ T73] [ 2666.344018][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.344018][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.344018][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.344018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.344018][ T73] ip6_route_add+0x1c/0x140 [ 2666.344018][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.344018][ T73] addrconf_add_dev+0xe2/0x170 [ 2666.344018][ T73] inet6_addr_add+0x12f/0xa40 [ 2666.344018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.344018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.344018][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.344018][ T73] netlink_unicast+0x449/0x710 [ 2666.344018][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.344018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.344018][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.344018][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.344018][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.344018][ T73] [ 2666.346169][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.346169][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2666.346169][ T73] ipv6_find_idev+0x102/0x170 [ 2666.346169][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.346169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.346169][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.346169][ T73] netlink_unicast+0x449/0x710 [ 2666.346169][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.346169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.346169][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.346169][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.346169][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.346169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.346169][ T73] [ 2666.347897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2666.347897][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2666.347897][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2666.347897][ T73] ipv6_find_idev+0x102/0x170 [ 2666.347897][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.347897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.347897][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.347897][ T73] netlink_unicast+0x449/0x710 [ 2666.347897][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.347897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.347897][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.347897][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.347897][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.347897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.347897][ T73] [ 2666.349797][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2666.350112][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.350112][ T73] dst_init+0x84/0x4a0 [ 2666.350112][ T73] dst_alloc+0x97/0x150 [ 2666.350112][ T73] ip6_dst_alloc+0x23/0x90 [ 2666.350112][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.350112][ T73] ip6_pol_route+0x56f/0x840 [ 2666.350112][ T73] fib6_rule_lookup+0x456/0x630 [ 2666.350112][ T73] ip6_route_input+0x59c/0xa50 [ 2666.350112][ T73] ipv6_rcv+0x397/0x810 [ 2666.350112][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2666.350112][ T73] process_backlog+0x101/0x620 [ 2666.350112][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2666.350112][ T73] net_rx_action+0x495/0xbe0 [ 2666.350112][ T73] __do_softirq+0x1b5/0x7f6 [ 2666.350112][ T73] [ 2666.351941][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.351941][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.351941][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.351941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.351941][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2666.351941][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2666.351941][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2666.351941][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2666.351941][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2666.351941][ T73] addrconf_dad_begin+0x310/0x670 [ 2666.351941][ T73] addrconf_dad_work+0x10b/0xab0 [ 2666.351941][ T73] process_one_work+0x84d/0x18a0 [ 2666.351941][ T73] worker_thread+0x587/0xd30 [ 2666.351941][ T73] kthread+0x28a/0x350 [ 2666.351941][ T73] ret_from_fork+0x31/0x70 [ 2666.351941][ T73] ret_from_fork_asm+0x1a/0x30 [ 2666.351941][ T73] [ 2666.354599][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.354599][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.354599][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.354599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.354599][ T73] ip6_route_add+0x1c/0x140 [ 2666.354599][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2666.354599][ T73] inet6_addr_add+0x4f8/0xa40 [ 2666.354599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.354599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.354599][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.354599][ T73] netlink_unicast+0x449/0x710 [ 2666.354599][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.354599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.354599][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.354599][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.354599][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.354599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.354599][ T73] [ 2666.357258][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.357258][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.357258][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.357258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.357258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2666.357258][ T73] ipv6_add_addr+0x411/0x2000 [ 2666.357258][ T73] inet6_addr_add+0x30e/0xa40 [ 2666.357258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.357258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.357258][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.357258][ T73] netlink_unicast+0x449/0x710 [ 2666.357258][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.357258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.357258][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.357258][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.357258][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.357258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.357258][ T73] [ 2666.359517][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.359517][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.359517][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.359517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.359517][ T73] ip6_route_add+0x1c/0x140 [ 2666.359517][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.359517][ T73] addrconf_add_dev+0xe2/0x170 [ 2666.359517][ T73] inet6_addr_add+0x12f/0xa40 [ 2666.359517][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.359517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.359517][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.359517][ T73] netlink_unicast+0x449/0x710 [ 2666.359517][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.359517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.359517][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.359517][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.359517][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.359517][ T73] [ 2666.361707][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.361707][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2666.361707][ T73] ipv6_find_idev+0x102/0x170 [ 2666.361707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.361707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.361707][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.361707][ T73] netlink_unicast+0x449/0x710 [ 2666.361707][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.361707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.361707][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.361707][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.361707][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.361707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.361707][ T73] [ 2666.363445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2666.363445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2666.363445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2666.363445][ T73] ipv6_find_idev+0x102/0x170 [ 2666.363445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.363445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.363445][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.363445][ T73] netlink_unicast+0x449/0x710 [ 2666.363445][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.363445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.363445][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.363445][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.363445][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.363445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.363445][ T73] [ 2666.365472][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2666.365773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.365773][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2666.365773][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2666.365773][ T73] fib6_nh_init+0xa22/0x1580 [ 2666.365773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.365773][ T73] ip6_route_add+0x1c/0x140 [ 2666.365773][ T73] inet6_rtm_newroute+0x104/0x110 [ 2666.365773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.365773][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.365773][ T73] netlink_unicast+0x449/0x710 [ 2666.365773][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.365773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.365773][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.365773][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.365773][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.365773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.365773][ T73] [ 2666.368129][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.368129][ T73] dst_init+0x84/0x4a0 [ 2666.368129][ T73] dst_alloc+0x97/0x150 [ 2666.368129][ T73] ip6_dst_alloc+0x23/0x90 [ 2666.368129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.368129][ T73] ip6_pol_route+0x56f/0x840 [ 2666.368129][ T73] fib6_rule_lookup+0x456/0x630 [ 2666.368129][ T73] ip6_route_input+0x59c/0xa50 [ 2666.368129][ T73] ipv6_rcv+0x397/0x810 [ 2666.368129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2666.368129][ T73] process_backlog+0x101/0x620 [ 2666.368129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2666.368129][ T73] net_rx_action+0x495/0xbe0 [ 2666.368129][ T73] __do_softirq+0x1b5/0x7f6 [ 2666.368129][ T73] [ 2666.370134][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.370134][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.370134][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.370134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.370134][ T73] ip6_route_add+0x1c/0x140 [ 2666.370134][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2666.370134][ T73] inet6_addr_add+0x4f8/0xa40 [ 2666.370134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.370134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.370134][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.370134][ T73] netlink_unicast+0x449/0x710 [ 2666.370134][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.370134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.370134][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.370134][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.370134][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.370134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.370134][ T73] [ 2666.372618][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.372618][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.372618][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.372618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.372618][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2666.372618][ T73] ipv6_add_addr+0x411/0x2000 [ 2666.372618][ T73] inet6_addr_add+0x30e/0xa40 [ 2666.372618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.372618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.372618][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.372618][ T73] netlink_unicast+0x449/0x710 [ 2666.372618][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.372618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.372618][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.372618][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.372618][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.372618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.372618][ T73] [ 2666.375074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.375074][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.375074][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.375074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.375074][ T73] ip6_route_add+0x1c/0x140 [ 2666.375074][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.375074][ T73] addrconf_add_dev+0xe2/0x170 [ 2666.375074][ T73] inet6_addr_add+0x12f/0xa40 [ 2666.375074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.375074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.375074][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.375074][ T73] netlink_unicast+0x449/0x710 [ 2666.375074][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.375074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.375074][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.375074][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.375074][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.375074][ T73] [ 2666.377525][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.377525][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2666.377525][ T73] ipv6_find_idev+0x102/0x170 [ 2666.377525][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.377525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.377525][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.377525][ T73] netlink_unicast+0x449/0x710 [ 2666.377525][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.377525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.377525][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.377525][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.377525][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.377525][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.377525][ T73] [ 2666.379441][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2666.379441][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2666.379441][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2666.379441][ T73] ipv6_find_idev+0x102/0x170 [ 2666.379441][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.379441][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.379441][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.379441][ T73] netlink_unicast+0x449/0x710 [ 2666.379441][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.379441][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.379441][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.379441][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.379441][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.379441][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.379441][ T73] [ 2666.381489][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2666.381790][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2666.381790][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.381790][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.381790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.381790][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2666.381790][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2666.381790][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2666.381790][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2666.381790][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2666.381790][ T73] addrconf_dad_begin+0x310/0x670 [ 2666.381790][ T73] addrconf_dad_work+0x10b/0xab0 [ 2666.381790][ T73] process_one_work+0x84d/0x18a0 [ 2666.381790][ T73] worker_thread+0x587/0xd30 [ 2666.381790][ T73] kthread+0x28a/0x350 [ 2666.381790][ T73] ret_from_fork+0x31/0x70 [ 2666.381790][ T73] ret_from_fork_asm+0x1a/0x30 [ 2666.381790][ T73] [ 2666.384528][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2666.384528][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.384528][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.384528][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.384528][ T73] ip6_route_add+0x1c/0x140 [ 2666.384528][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2666.384528][ T73] inet6_addr_add+0x4f8/0xa40 [ 2666.384528][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.384528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.384528][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.384528][ T73] netlink_unicast+0x449/0x710 [ 2666.384528][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.384528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.384528][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.384528][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.384528][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.384528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.384528][ T73] [ 2666.387055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2666.387055][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.387055][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.387055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.387055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2666.387055][ T73] ipv6_add_addr+0x411/0x2000 [ 2666.387055][ T73] inet6_addr_add+0x30e/0xa40 [ 2666.387055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.387055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.387055][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.387055][ T73] netlink_unicast+0x449/0x710 [ 2666.387055][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.387055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.387055][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.387055][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.387055][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.387055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.387055][ T73] [ 2666.389890][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2666.389890][ T73] netdev_get_by_index+0x5e/0x80 [ 2666.389890][ T73] fib6_nh_init+0x3d8/0x1580 [ 2666.389890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2666.389890][ T73] ip6_route_add+0x1c/0x140 [ 2666.389890][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.389890][ T73] addrconf_add_dev+0xe2/0x170 [ 2666.389890][ T73] inet6_addr_add+0x12f/0xa40 [ 2666.389890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.389890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.389890][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.389890][ T73] netlink_unicast+0x449/0x710 [ 2666.389890][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.389890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.389890][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.389890][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.389890][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.389890][ T73] [ 2666.392246][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2666.392246][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2666.392246][ T73] ipv6_find_idev+0x102/0x170 [ 2666.392246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.392246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.392246][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.392246][ T73] netlink_unicast+0x449/0x710 [ 2666.392246][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.392246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.392246][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.392246][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.392246][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.392246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.392246][ T73] [ 2666.394140][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2666.394140][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2666.394140][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2666.394140][ T73] ipv6_find_idev+0x102/0x170 [ 2666.394140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.394140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.394140][ T73] netlink_rcv_skb+0x130/0x360 [ 2666.394140][ T73] netlink_unicast+0x449/0x710 [ 2666.394140][ T73] netlink_sendmsg+0x723/0xbe0 [ 2666.394140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2666.394140][ T73] ___sys_sendmsg+0xee/0x170 [ 2666.394140][ T73] __sys_sendmsg+0xcd/0x170 [ 2666.394140][ T73] do_syscall_64+0xc6/0x1e0 [ 2666.394140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.394140][ T73] [ 2676.550893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2676.551299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.551299][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2676.551299][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2676.551299][ T73] fib6_nh_init+0xa22/0x1580 [ 2676.551299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.551299][ T73] ip6_route_add+0x1c/0x140 [ 2676.551299][ T73] inet6_rtm_newroute+0x104/0x110 [ 2676.551299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.551299][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.551299][ T73] netlink_unicast+0x449/0x710 [ 2676.551299][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.551299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.551299][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.551299][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.551299][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.551299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.551299][ T73] [ 2676.553380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.553380][ T73] dst_init+0x84/0x4a0 [ 2676.553380][ T73] dst_alloc+0x97/0x150 [ 2676.553380][ T73] ip6_dst_alloc+0x23/0x90 [ 2676.553380][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2676.553380][ T73] ip6_pol_route+0x56f/0x840 [ 2676.553380][ T73] fib6_rule_lookup+0x456/0x630 [ 2676.553380][ T73] ip6_route_input+0x59c/0xa50 [ 2676.553380][ T73] ipv6_rcv+0x397/0x810 [ 2676.553380][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2676.553380][ T73] process_backlog+0x101/0x620 [ 2676.553380][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2676.553380][ T73] net_rx_action+0x495/0xbe0 [ 2676.553380][ T73] __do_softirq+0x1b5/0x7f6 [ 2676.553380][ T73] [ 2676.555193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.555193][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.555193][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.555193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.555193][ T73] ip6_route_add+0x1c/0x140 [ 2676.555193][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2676.555193][ T73] inet6_addr_add+0x4f8/0xa40 [ 2676.555193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.555193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.555193][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.555193][ T73] netlink_unicast+0x449/0x710 [ 2676.555193][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.555193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.555193][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.555193][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.555193][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.555193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.555193][ T73] [ 2676.557388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.557388][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.557388][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.557388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.557388][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2676.557388][ T73] ipv6_add_addr+0x411/0x2000 [ 2676.557388][ T73] inet6_addr_add+0x30e/0xa40 [ 2676.557388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.557388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.557388][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.557388][ T73] netlink_unicast+0x449/0x710 [ 2676.557388][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.557388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.557388][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.557388][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.557388][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.557388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.557388][ T73] [ 2676.559631][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.559631][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.559631][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.559631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.559631][ T73] ip6_route_add+0x1c/0x140 [ 2676.559631][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.559631][ T73] addrconf_add_dev+0xe2/0x170 [ 2676.559631][ T73] inet6_addr_add+0x12f/0xa40 [ 2676.559631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.559631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.559631][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.559631][ T73] netlink_unicast+0x449/0x710 [ 2676.559631][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.559631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.559631][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.559631][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.559631][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.559631][ T73] [ 2676.561880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.561880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2676.561880][ T73] ipv6_find_idev+0x102/0x170 [ 2676.561880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.561880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.561880][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.561880][ T73] netlink_unicast+0x449/0x710 [ 2676.561880][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.561880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.561880][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.561880][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.561880][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.561880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.561880][ T73] [ 2676.563575][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2676.563575][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2676.563575][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2676.563575][ T73] ipv6_find_idev+0x102/0x170 [ 2676.563575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.563575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.563575][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.563575][ T73] netlink_unicast+0x449/0x710 [ 2676.563575][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.563575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.563575][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.563575][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.563575][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.563575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.563575][ T73] [ 2676.565443][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2676.565734][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.565734][ T73] dst_init+0x84/0x4a0 [ 2676.565734][ T73] dst_alloc+0x97/0x150 [ 2676.565734][ T73] ip6_dst_alloc+0x23/0x90 [ 2676.565734][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2676.565734][ T73] ip6_pol_route+0x56f/0x840 [ 2676.565734][ T73] fib6_rule_lookup+0x456/0x630 [ 2676.565734][ T73] ip6_route_input+0x59c/0xa50 [ 2676.565734][ T73] ipv6_rcv+0x397/0x810 [ 2676.565734][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2676.565734][ T73] process_backlog+0x101/0x620 [ 2676.565734][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2676.565734][ T73] net_rx_action+0x495/0xbe0 [ 2676.565734][ T73] __do_softirq+0x1b5/0x7f6 [ 2676.565734][ T73] [ 2676.567584][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.567584][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.567584][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.567584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.567584][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2676.567584][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.567584][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2676.567584][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.567584][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2676.567584][ T73] addrconf_dad_begin+0x310/0x670 [ 2676.567584][ T73] addrconf_dad_work+0x10b/0xab0 [ 2676.567584][ T73] process_one_work+0x84d/0x18a0 [ 2676.567584][ T73] worker_thread+0x587/0xd30 [ 2676.567584][ T73] kthread+0x28a/0x350 [ 2676.567584][ T73] ret_from_fork+0x31/0x70 [ 2676.567584][ T73] ret_from_fork_asm+0x1a/0x30 [ 2676.567584][ T73] [ 2676.570135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.570135][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.570135][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.570135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.570135][ T73] ip6_route_add+0x1c/0x140 [ 2676.570135][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2676.570135][ T73] inet6_addr_add+0x4f8/0xa40 [ 2676.570135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.570135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.570135][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.570135][ T73] netlink_unicast+0x449/0x710 [ 2676.570135][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.570135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.570135][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.570135][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.570135][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.570135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.570135][ T73] [ 2676.572329][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.572329][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.572329][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.572329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.572329][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2676.572329][ T73] ipv6_add_addr+0x411/0x2000 [ 2676.572329][ T73] inet6_addr_add+0x30e/0xa40 [ 2676.572329][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.572329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.572329][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.572329][ T73] netlink_unicast+0x449/0x710 [ 2676.572329][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.572329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.572329][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.572329][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.572329][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.572329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.572329][ T73] [ 2676.574525][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.574525][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.574525][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.574525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.574525][ T73] ip6_route_add+0x1c/0x140 [ 2676.574525][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.574525][ T73] addrconf_add_dev+0xe2/0x170 [ 2676.574525][ T73] inet6_addr_add+0x12f/0xa40 [ 2676.574525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.574525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.574525][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.574525][ T73] netlink_unicast+0x449/0x710 [ 2676.574525][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.574525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.574525][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.574525][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.574525][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.574525][ T73] [ 2676.576676][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.576676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2676.576676][ T73] ipv6_find_idev+0x102/0x170 [ 2676.576676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.576676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.576676][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.576676][ T73] netlink_unicast+0x449/0x710 [ 2676.576676][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.576676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.576676][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.576676][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.576676][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.576676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.576676][ T73] [ 2676.578383][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2676.578383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2676.578383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2676.578383][ T73] ipv6_find_idev+0x102/0x170 [ 2676.578383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.578383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.578383][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.578383][ T73] netlink_unicast+0x449/0x710 [ 2676.578383][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.578383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.578383][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.578383][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.578383][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.578383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.578383][ T73] [ 2676.580387][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2676.580676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.580676][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2676.580676][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2676.580676][ T73] fib6_nh_init+0xa22/0x1580 [ 2676.580676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.580676][ T73] ip6_route_add+0x1c/0x140 [ 2676.580676][ T73] inet6_rtm_newroute+0x104/0x110 [ 2676.580676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.580676][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.580676][ T73] netlink_unicast+0x449/0x710 [ 2676.580676][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.580676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.580676][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.580676][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.580676][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.580676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.580676][ T73] [ 2676.582988][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.582988][ T73] dst_init+0x84/0x4a0 [ 2676.582988][ T73] dst_alloc+0x97/0x150 [ 2676.582988][ T73] ip6_dst_alloc+0x23/0x90 [ 2676.582988][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2676.582988][ T73] ip6_pol_route+0x56f/0x840 [ 2676.582988][ T73] fib6_rule_lookup+0x456/0x630 [ 2676.582988][ T73] ip6_route_input+0x59c/0xa50 [ 2676.582988][ T73] ipv6_rcv+0x397/0x810 [ 2676.582988][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2676.582988][ T73] process_backlog+0x101/0x620 [ 2676.582988][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2676.582988][ T73] net_rx_action+0x495/0xbe0 [ 2676.582988][ T73] __do_softirq+0x1b5/0x7f6 [ 2676.582988][ T73] [ 2676.585022][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.585022][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.585022][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.585022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.585022][ T73] ip6_route_add+0x1c/0x140 [ 2676.585022][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2676.585022][ T73] inet6_addr_add+0x4f8/0xa40 [ 2676.585022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.585022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.585022][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.585022][ T73] netlink_unicast+0x449/0x710 [ 2676.585022][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.585022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.585022][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.585022][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.585022][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.585022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.585022][ T73] [ 2676.587447][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.587447][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.587447][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.587447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.587447][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2676.587447][ T73] ipv6_add_addr+0x411/0x2000 [ 2676.587447][ T73] inet6_addr_add+0x30e/0xa40 [ 2676.587447][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.587447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.587447][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.587447][ T73] netlink_unicast+0x449/0x710 [ 2676.587447][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.587447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.587447][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.587447][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.587447][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.587447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.587447][ T73] [ 2676.589957][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.589957][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.589957][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.589957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.589957][ T73] ip6_route_add+0x1c/0x140 [ 2676.589957][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.589957][ T73] addrconf_add_dev+0xe2/0x170 [ 2676.589957][ T73] inet6_addr_add+0x12f/0xa40 [ 2676.589957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.589957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.589957][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.589957][ T73] netlink_unicast+0x449/0x710 [ 2676.589957][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.589957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.589957][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.589957][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.589957][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.589957][ T73] [ 2676.592425][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.592425][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2676.592425][ T73] ipv6_find_idev+0x102/0x170 [ 2676.592425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.592425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.592425][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.592425][ T73] netlink_unicast+0x449/0x710 [ 2676.592425][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.592425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.592425][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.592425][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.592425][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.592425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.592425][ T73] [ 2676.594235][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2676.594235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2676.594235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2676.594235][ T73] ipv6_find_idev+0x102/0x170 [ 2676.594235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.594235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.594235][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.594235][ T73] netlink_unicast+0x449/0x710 [ 2676.594235][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.594235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.594235][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.594235][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.594235][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.594235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.594235][ T73] [ 2676.596438][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2676.596741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2676.596741][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.596741][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.596741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.596741][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2676.596741][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.596741][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2676.596741][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.596741][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2676.596741][ T73] addrconf_dad_begin+0x310/0x670 [ 2676.596741][ T73] addrconf_dad_work+0x10b/0xab0 [ 2676.596741][ T73] process_one_work+0x84d/0x18a0 [ 2676.596741][ T73] worker_thread+0x587/0xd30 [ 2676.596741][ T73] kthread+0x28a/0x350 [ 2676.596741][ T73] ret_from_fork+0x31/0x70 [ 2676.596741][ T73] ret_from_fork_asm+0x1a/0x30 [ 2676.596741][ T73] [ 2676.599154][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2676.599154][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.599154][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.599154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.599154][ T73] ip6_route_add+0x1c/0x140 [ 2676.599154][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2676.599154][ T73] inet6_addr_add+0x4f8/0xa40 [ 2676.599154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.599154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.599154][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.599154][ T73] netlink_unicast+0x449/0x710 [ 2676.599154][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.599154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.599154][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.599154][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.599154][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.599154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.599154][ T73] [ 2676.601603][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2676.601603][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.601603][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.601603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.601603][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2676.601603][ T73] ipv6_add_addr+0x411/0x2000 [ 2676.601603][ T73] inet6_addr_add+0x30e/0xa40 [ 2676.601603][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.601603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.601603][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.601603][ T73] netlink_unicast+0x449/0x710 [ 2676.601603][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.601603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.601603][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.601603][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.601603][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.601603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.601603][ T73] [ 2676.603983][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2676.603983][ T73] netdev_get_by_index+0x5e/0x80 [ 2676.603983][ T73] fib6_nh_init+0x3d8/0x1580 [ 2676.603983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2676.603983][ T73] ip6_route_add+0x1c/0x140 [ 2676.603983][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.603983][ T73] addrconf_add_dev+0xe2/0x170 [ 2676.603983][ T73] inet6_addr_add+0x12f/0xa40 [ 2676.603983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.603983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.603983][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.603983][ T73] netlink_unicast+0x449/0x710 [ 2676.603983][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.603983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.603983][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.603983][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.603983][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.603983][ T73] [ 2676.606438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2676.606438][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2676.606438][ T73] ipv6_find_idev+0x102/0x170 [ 2676.606438][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.606438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.606438][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.606438][ T73] netlink_unicast+0x449/0x710 [ 2676.606438][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.606438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.606438][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.606438][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.606438][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.606438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.606438][ T73] [ 2676.608335][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2676.608335][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2676.608335][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2676.608335][ T73] ipv6_find_idev+0x102/0x170 [ 2676.608335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.608335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.608335][ T73] netlink_rcv_skb+0x130/0x360 [ 2676.608335][ T73] netlink_unicast+0x449/0x710 [ 2676.608335][ T73] netlink_sendmsg+0x723/0xbe0 [ 2676.608335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2676.608335][ T73] ___sys_sendmsg+0xee/0x170 [ 2676.608335][ T73] __sys_sendmsg+0xcd/0x170 [ 2676.608335][ T73] do_syscall_64+0xc6/0x1e0 [ 2676.608335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.608335][ T73] [ 2686.846844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2686.847249][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.847249][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2686.847249][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2686.847249][ T73] fib6_nh_init+0xa22/0x1580 [ 2686.847249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.847249][ T73] ip6_route_add+0x1c/0x140 [ 2686.847249][ T73] inet6_rtm_newroute+0x104/0x110 [ 2686.847249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.847249][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.847249][ T73] netlink_unicast+0x449/0x710 [ 2686.847249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.847249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.847249][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.847249][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.847249][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.847249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.847249][ T73] [ 2686.849359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.849359][ T73] dst_init+0x84/0x4a0 [ 2686.849359][ T73] dst_alloc+0x97/0x150 [ 2686.849359][ T73] ip6_dst_alloc+0x23/0x90 [ 2686.849359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2686.849359][ T73] ip6_pol_route+0x56f/0x840 [ 2686.849359][ T73] fib6_rule_lookup+0x456/0x630 [ 2686.849359][ T73] ip6_route_input+0x59c/0xa50 [ 2686.849359][ T73] ipv6_rcv+0x397/0x810 [ 2686.849359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2686.849359][ T73] process_backlog+0x101/0x620 [ 2686.849359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2686.849359][ T73] net_rx_action+0x495/0xbe0 [ 2686.849359][ T73] __do_softirq+0x1b5/0x7f6 [ 2686.849359][ T73] [ 2686.851189][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.851189][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.851189][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.851189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.851189][ T73] ip6_route_add+0x1c/0x140 [ 2686.851189][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2686.851189][ T73] inet6_addr_add+0x4f8/0xa40 [ 2686.851189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.851189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.851189][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.851189][ T73] netlink_unicast+0x449/0x710 [ 2686.851189][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.851189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.851189][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.851189][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.851189][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.851189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.851189][ T73] [ 2686.853433][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.853433][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.853433][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.853433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.853433][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2686.853433][ T73] ipv6_add_addr+0x411/0x2000 [ 2686.853433][ T73] inet6_addr_add+0x30e/0xa40 [ 2686.853433][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.853433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.853433][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.853433][ T73] netlink_unicast+0x449/0x710 [ 2686.853433][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.853433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.853433][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.853433][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.853433][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.853433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.853433][ T73] [ 2686.855676][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.855676][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.855676][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.855676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.855676][ T73] ip6_route_add+0x1c/0x140 [ 2686.855676][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.855676][ T73] addrconf_add_dev+0xe2/0x170 [ 2686.855676][ T73] inet6_addr_add+0x12f/0xa40 [ 2686.855676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.855676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.855676][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.855676][ T73] netlink_unicast+0x449/0x710 [ 2686.855676][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.855676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.855676][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.855676][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.855676][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.855676][ T73] [ 2686.857894][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.857894][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2686.857894][ T73] ipv6_find_idev+0x102/0x170 [ 2686.857894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.857894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.857894][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.857894][ T73] netlink_unicast+0x449/0x710 [ 2686.857894][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.857894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.857894][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.857894][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.857894][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.857894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.857894][ T73] [ 2686.859629][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2686.859629][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2686.859629][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2686.859629][ T73] ipv6_find_idev+0x102/0x170 [ 2686.859629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.859629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.859629][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.859629][ T73] netlink_unicast+0x449/0x710 [ 2686.859629][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.859629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.859629][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.859629][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.859629][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.859629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.859629][ T73] [ 2686.861518][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2686.861815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.861815][ T73] dst_init+0x84/0x4a0 [ 2686.861815][ T73] dst_alloc+0x97/0x150 [ 2686.861815][ T73] ip6_dst_alloc+0x23/0x90 [ 2686.861815][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2686.861815][ T73] ip6_pol_route+0x56f/0x840 [ 2686.861815][ T73] fib6_rule_lookup+0x456/0x630 [ 2686.861815][ T73] ip6_route_input+0x59c/0xa50 [ 2686.861815][ T73] ipv6_rcv+0x397/0x810 [ 2686.861815][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2686.861815][ T73] process_backlog+0x101/0x620 [ 2686.861815][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2686.861815][ T73] net_rx_action+0x495/0xbe0 [ 2686.861815][ T73] __do_softirq+0x1b5/0x7f6 [ 2686.861815][ T73] [ 2686.863674][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.863674][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.863674][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.863674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.863674][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2686.863674][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.863674][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2686.863674][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.863674][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2686.863674][ T73] addrconf_dad_begin+0x310/0x670 [ 2686.863674][ T73] addrconf_dad_work+0x10b/0xab0 [ 2686.863674][ T73] process_one_work+0x84d/0x18a0 [ 2686.863674][ T73] worker_thread+0x587/0xd30 [ 2686.863674][ T73] kthread+0x28a/0x350 [ 2686.863674][ T73] ret_from_fork+0x31/0x70 [ 2686.863674][ T73] ret_from_fork_asm+0x1a/0x30 [ 2686.863674][ T73] [ 2686.865797][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.865797][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.865797][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.865797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.865797][ T73] ip6_route_add+0x1c/0x140 [ 2686.865797][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2686.865797][ T73] inet6_addr_add+0x4f8/0xa40 [ 2686.865797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.865797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.865797][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.865797][ T73] netlink_unicast+0x449/0x710 [ 2686.865797][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.865797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.865797][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.865797][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.865797][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.865797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.865797][ T73] [ 2686.868011][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.868011][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.868011][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.868011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.868011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2686.868011][ T73] ipv6_add_addr+0x411/0x2000 [ 2686.868011][ T73] inet6_addr_add+0x30e/0xa40 [ 2686.868011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.868011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.868011][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.868011][ T73] netlink_unicast+0x449/0x710 [ 2686.868011][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.868011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.868011][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.868011][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.868011][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.868011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.868011][ T73] [ 2686.870241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.870241][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.870241][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.870241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.870241][ T73] ip6_route_add+0x1c/0x140 [ 2686.870241][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.870241][ T73] addrconf_add_dev+0xe2/0x170 [ 2686.870241][ T73] inet6_addr_add+0x12f/0xa40 [ 2686.870241][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.870241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.870241][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.870241][ T73] netlink_unicast+0x449/0x710 [ 2686.870241][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.870241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.870241][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.870241][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.870241][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.870241][ T73] [ 2686.872446][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.872446][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2686.872446][ T73] ipv6_find_idev+0x102/0x170 [ 2686.872446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.872446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.872446][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.872446][ T73] netlink_unicast+0x449/0x710 [ 2686.872446][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.872446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.872446][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.872446][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.872446][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.872446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.872446][ T73] [ 2686.874214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2686.874214][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2686.874214][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2686.874214][ T73] ipv6_find_idev+0x102/0x170 [ 2686.874214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.874214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.874214][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.874214][ T73] netlink_unicast+0x449/0x710 [ 2686.874214][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.874214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.874214][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.874214][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.874214][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.874214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.874214][ T73] [ 2686.876181][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2686.876471][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.876471][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2686.876471][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2686.876471][ T73] fib6_nh_init+0xa22/0x1580 [ 2686.876471][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.876471][ T73] ip6_route_add+0x1c/0x140 [ 2686.876471][ T73] inet6_rtm_newroute+0x104/0x110 [ 2686.876471][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.876471][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.876471][ T73] netlink_unicast+0x449/0x710 [ 2686.876471][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.876471][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.876471][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.876471][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.876471][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.876471][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.876471][ T73] [ 2686.879241][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.879241][ T73] dst_init+0x84/0x4a0 [ 2686.879241][ T73] dst_alloc+0x97/0x150 [ 2686.879241][ T73] ip6_dst_alloc+0x23/0x90 [ 2686.879241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2686.879241][ T73] ip6_pol_route+0x56f/0x840 [ 2686.879241][ T73] fib6_rule_lookup+0x456/0x630 [ 2686.879241][ T73] ip6_route_input+0x59c/0xa50 [ 2686.879241][ T73] ipv6_rcv+0x397/0x810 [ 2686.879241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2686.879241][ T73] process_backlog+0x101/0x620 [ 2686.879241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2686.879241][ T73] net_rx_action+0x495/0xbe0 [ 2686.879241][ T73] __do_softirq+0x1b5/0x7f6 [ 2686.879241][ T73] [ 2686.881199][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.881199][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.881199][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.881199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.881199][ T73] ip6_route_add+0x1c/0x140 [ 2686.881199][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2686.881199][ T73] inet6_addr_add+0x4f8/0xa40 [ 2686.881199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.881199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.881199][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.881199][ T73] netlink_unicast+0x449/0x710 [ 2686.881199][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.881199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.881199][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.881199][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.881199][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.881199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.881199][ T73] [ 2686.883534][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.883534][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.883534][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.883534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.883534][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2686.883534][ T73] ipv6_add_addr+0x411/0x2000 [ 2686.883534][ T73] inet6_addr_add+0x30e/0xa40 [ 2686.883534][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.883534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.883534][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.883534][ T73] netlink_unicast+0x449/0x710 [ 2686.883534][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.883534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.883534][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.883534][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.883534][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.883534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.883534][ T73] [ 2686.885888][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.885888][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.885888][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.885888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.885888][ T73] ip6_route_add+0x1c/0x140 [ 2686.885888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.885888][ T73] addrconf_add_dev+0xe2/0x170 [ 2686.885888][ T73] inet6_addr_add+0x12f/0xa40 [ 2686.885888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.885888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.885888][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.885888][ T73] netlink_unicast+0x449/0x710 [ 2686.885888][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.885888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.885888][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.885888][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.885888][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.885888][ T73] [ 2686.888578][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.888578][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2686.888578][ T73] ipv6_find_idev+0x102/0x170 [ 2686.888578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.888578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.888578][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.888578][ T73] netlink_unicast+0x449/0x710 [ 2686.888578][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.888578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.888578][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.888578][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.888578][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.888578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.888578][ T73] [ 2686.890344][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2686.890344][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2686.890344][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2686.890344][ T73] ipv6_find_idev+0x102/0x170 [ 2686.890344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.890344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.890344][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.890344][ T73] netlink_unicast+0x449/0x710 [ 2686.890344][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.890344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.890344][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.890344][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.890344][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.890344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.890344][ T73] [ 2686.892301][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2686.892610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2686.892610][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.892610][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.892610][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.892610][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2686.892610][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.892610][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2686.892610][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.892610][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2686.892610][ T73] addrconf_dad_begin+0x310/0x670 [ 2686.892610][ T73] addrconf_dad_work+0x10b/0xab0 [ 2686.892610][ T73] process_one_work+0x84d/0x18a0 [ 2686.892610][ T73] worker_thread+0x587/0xd30 [ 2686.892610][ T73] kthread+0x28a/0x350 [ 2686.892610][ T73] ret_from_fork+0x31/0x70 [ 2686.892610][ T73] ret_from_fork_asm+0x1a/0x30 [ 2686.892610][ T73] [ 2686.894860][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2686.894860][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.894860][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.894860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.894860][ T73] ip6_route_add+0x1c/0x140 [ 2686.894860][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2686.894860][ T73] inet6_addr_add+0x4f8/0xa40 [ 2686.894860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.894860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.894860][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.894860][ T73] netlink_unicast+0x449/0x710 [ 2686.894860][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.894860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.894860][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.894860][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.894860][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.894860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.894860][ T73] [ 2686.897189][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2686.897189][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.897189][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.897189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.897189][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2686.897189][ T73] ipv6_add_addr+0x411/0x2000 [ 2686.897189][ T73] inet6_addr_add+0x30e/0xa40 [ 2686.897189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.897189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.897189][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.897189][ T73] netlink_unicast+0x449/0x710 [ 2686.897189][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.897189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.897189][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.897189][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.897189][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.897189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.897189][ T73] [ 2686.899595][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2686.899595][ T73] netdev_get_by_index+0x5e/0x80 [ 2686.899595][ T73] fib6_nh_init+0x3d8/0x1580 [ 2686.899595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2686.899595][ T73] ip6_route_add+0x1c/0x140 [ 2686.899595][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.899595][ T73] addrconf_add_dev+0xe2/0x170 [ 2686.899595][ T73] inet6_addr_add+0x12f/0xa40 [ 2686.899595][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.899595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.899595][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.899595][ T73] netlink_unicast+0x449/0x710 [ 2686.899595][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.899595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.899595][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.899595][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.899595][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.899595][ T73] [ 2686.901885][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2686.901885][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2686.901885][ T73] ipv6_find_idev+0x102/0x170 [ 2686.901885][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.901885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.901885][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.901885][ T73] netlink_unicast+0x449/0x710 [ 2686.901885][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.901885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.901885][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.901885][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.901885][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.901885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.901885][ T73] [ 2686.903670][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2686.903670][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2686.903670][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2686.903670][ T73] ipv6_find_idev+0x102/0x170 [ 2686.903670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.903670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.903670][ T73] netlink_rcv_skb+0x130/0x360 [ 2686.903670][ T73] netlink_unicast+0x449/0x710 [ 2686.903670][ T73] netlink_sendmsg+0x723/0xbe0 [ 2686.903670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2686.903670][ T73] ___sys_sendmsg+0xee/0x170 [ 2686.903670][ T73] __sys_sendmsg+0xcd/0x170 [ 2686.903670][ T73] do_syscall_64+0xc6/0x1e0 [ 2686.903670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.903670][ T73] [ 2697.094898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2697.095375][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.095375][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2697.095375][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2697.095375][ T73] fib6_nh_init+0xa22/0x1580 [ 2697.095375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.095375][ T73] ip6_route_add+0x1c/0x140 [ 2697.095375][ T73] inet6_rtm_newroute+0x104/0x110 [ 2697.095375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.095375][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.095375][ T73] netlink_unicast+0x449/0x710 [ 2697.095375][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.095375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.095375][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.095375][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.095375][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.095375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.095375][ T73] [ 2697.097480][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.097480][ T73] dst_init+0x84/0x4a0 [ 2697.097480][ T73] dst_alloc+0x97/0x150 [ 2697.097480][ T73] ip6_dst_alloc+0x23/0x90 [ 2697.097480][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.097480][ T73] ip6_pol_route+0x56f/0x840 [ 2697.097480][ T73] fib6_rule_lookup+0x456/0x630 [ 2697.097480][ T73] ip6_route_input+0x59c/0xa50 [ 2697.097480][ T73] ipv6_rcv+0x397/0x810 [ 2697.097480][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2697.097480][ T73] process_backlog+0x101/0x620 [ 2697.097480][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2697.097480][ T73] net_rx_action+0x495/0xbe0 [ 2697.097480][ T73] __do_softirq+0x1b5/0x7f6 [ 2697.097480][ T73] [ 2697.099311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.099311][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.099311][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.099311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.099311][ T73] ip6_route_add+0x1c/0x140 [ 2697.099311][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2697.099311][ T73] inet6_addr_add+0x4f8/0xa40 [ 2697.099311][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.099311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.099311][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.099311][ T73] netlink_unicast+0x449/0x710 [ 2697.099311][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.099311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.099311][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.099311][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.099311][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.099311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.099311][ T73] [ 2697.101543][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.101543][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.101543][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.101543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.101543][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2697.101543][ T73] ipv6_add_addr+0x411/0x2000 [ 2697.101543][ T73] inet6_addr_add+0x30e/0xa40 [ 2697.101543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.101543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.101543][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.101543][ T73] netlink_unicast+0x449/0x710 [ 2697.101543][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.101543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.101543][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.101543][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.101543][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.101543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.101543][ T73] [ 2697.103776][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.103776][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.103776][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.103776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.103776][ T73] ip6_route_add+0x1c/0x140 [ 2697.103776][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.103776][ T73] addrconf_add_dev+0xe2/0x170 [ 2697.103776][ T73] inet6_addr_add+0x12f/0xa40 [ 2697.103776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.103776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.103776][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.103776][ T73] netlink_unicast+0x449/0x710 [ 2697.103776][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.103776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.103776][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.103776][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.103776][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.103776][ T73] [ 2697.105970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.105970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2697.105970][ T73] ipv6_find_idev+0x102/0x170 [ 2697.105970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.105970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.105970][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.105970][ T73] netlink_unicast+0x449/0x710 [ 2697.105970][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.105970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.105970][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.105970][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.105970][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.105970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.105970][ T73] [ 2697.107688][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2697.107688][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2697.107688][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2697.107688][ T73] ipv6_find_idev+0x102/0x170 [ 2697.107688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.107688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.107688][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.107688][ T73] netlink_unicast+0x449/0x710 [ 2697.107688][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.107688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.107688][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.107688][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.107688][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.107688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.107688][ T73] [ 2697.109575][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2697.109880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.109880][ T73] dst_init+0x84/0x4a0 [ 2697.109880][ T73] dst_alloc+0x97/0x150 [ 2697.109880][ T73] ip6_dst_alloc+0x23/0x90 [ 2697.109880][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.109880][ T73] ip6_pol_route+0x56f/0x840 [ 2697.109880][ T73] fib6_rule_lookup+0x456/0x630 [ 2697.109880][ T73] ip6_route_input+0x59c/0xa50 [ 2697.109880][ T73] ipv6_rcv+0x397/0x810 [ 2697.109880][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2697.109880][ T73] process_backlog+0x101/0x620 [ 2697.109880][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2697.109880][ T73] net_rx_action+0x495/0xbe0 [ 2697.109880][ T73] __do_softirq+0x1b5/0x7f6 [ 2697.109880][ T73] [ 2697.111714][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.111714][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.111714][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.111714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.111714][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2697.111714][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2697.111714][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2697.111714][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2697.111714][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2697.111714][ T73] addrconf_dad_begin+0x310/0x670 [ 2697.111714][ T73] addrconf_dad_work+0x10b/0xab0 [ 2697.111714][ T73] process_one_work+0x84d/0x18a0 [ 2697.111714][ T73] worker_thread+0x587/0xd30 [ 2697.111714][ T73] kthread+0x28a/0x350 [ 2697.111714][ T73] ret_from_fork+0x31/0x70 [ 2697.111714][ T73] ret_from_fork_asm+0x1a/0x30 [ 2697.111714][ T73] [ 2697.113862][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.113862][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.113862][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.113862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.113862][ T73] ip6_route_add+0x1c/0x140 [ 2697.113862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2697.113862][ T73] inet6_addr_add+0x4f8/0xa40 [ 2697.113862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.113862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.113862][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.113862][ T73] netlink_unicast+0x449/0x710 [ 2697.113862][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.113862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.113862][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.113862][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.113862][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.113862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.113862][ T73] [ 2697.116106][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.116106][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.116106][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.116106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.116106][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2697.116106][ T73] ipv6_add_addr+0x411/0x2000 [ 2697.116106][ T73] inet6_addr_add+0x30e/0xa40 [ 2697.116106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.116106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.116106][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.116106][ T73] netlink_unicast+0x449/0x710 [ 2697.116106][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.116106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.116106][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.116106][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.116106][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.116106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.116106][ T73] [ 2697.118345][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.118345][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.118345][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.118345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.118345][ T73] ip6_route_add+0x1c/0x140 [ 2697.118345][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.118345][ T73] addrconf_add_dev+0xe2/0x170 [ 2697.118345][ T73] inet6_addr_add+0x12f/0xa40 [ 2697.118345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.118345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.118345][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.118345][ T73] netlink_unicast+0x449/0x710 [ 2697.118345][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.118345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.118345][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.118345][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.118345][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.118345][ T73] [ 2697.120535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.120535][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2697.120535][ T73] ipv6_find_idev+0x102/0x170 [ 2697.120535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.120535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.120535][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.120535][ T73] netlink_unicast+0x449/0x710 [ 2697.120535][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.120535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.120535][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.120535][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.120535][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.120535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.120535][ T73] [ 2697.122249][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2697.122249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2697.122249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2697.122249][ T73] ipv6_find_idev+0x102/0x170 [ 2697.122249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.122249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.122249][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.122249][ T73] netlink_unicast+0x449/0x710 [ 2697.122249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.122249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.122249][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.122249][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.122249][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.122249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.122249][ T73] [ 2697.124282][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2697.124585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.124585][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2697.124585][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2697.124585][ T73] fib6_nh_init+0xa22/0x1580 [ 2697.124585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.124585][ T73] ip6_route_add+0x1c/0x140 [ 2697.124585][ T73] inet6_rtm_newroute+0x104/0x110 [ 2697.124585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.124585][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.124585][ T73] netlink_unicast+0x449/0x710 [ 2697.124585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.124585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.124585][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.124585][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.124585][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.124585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.124585][ T73] [ 2697.126981][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.126981][ T73] dst_init+0x84/0x4a0 [ 2697.126981][ T73] dst_alloc+0x97/0x150 [ 2697.126981][ T73] ip6_dst_alloc+0x23/0x90 [ 2697.126981][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.126981][ T73] ip6_pol_route+0x56f/0x840 [ 2697.126981][ T73] fib6_rule_lookup+0x456/0x630 [ 2697.126981][ T73] ip6_route_input+0x59c/0xa50 [ 2697.126981][ T73] ipv6_rcv+0x397/0x810 [ 2697.126981][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2697.126981][ T73] process_backlog+0x101/0x620 [ 2697.126981][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2697.126981][ T73] net_rx_action+0x495/0xbe0 [ 2697.126981][ T73] __do_softirq+0x1b5/0x7f6 [ 2697.126981][ T73] [ 2697.129004][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.129004][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.129004][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.129004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.129004][ T73] ip6_route_add+0x1c/0x140 [ 2697.129004][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2697.129004][ T73] inet6_addr_add+0x4f8/0xa40 [ 2697.129004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.129004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.129004][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.129004][ T73] netlink_unicast+0x449/0x710 [ 2697.129004][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.129004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.129004][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.129004][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.129004][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.129004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.129004][ T73] [ 2697.131469][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.131469][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.131469][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.131469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.131469][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2697.131469][ T73] ipv6_add_addr+0x411/0x2000 [ 2697.131469][ T73] inet6_addr_add+0x30e/0xa40 [ 2697.131469][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.131469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.131469][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.131469][ T73] netlink_unicast+0x449/0x710 [ 2697.131469][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.131469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.131469][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.131469][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.131469][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.131469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.131469][ T73] [ 2697.133954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.133954][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.133954][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.133954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.133954][ T73] ip6_route_add+0x1c/0x140 [ 2697.133954][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.133954][ T73] addrconf_add_dev+0xe2/0x170 [ 2697.133954][ T73] inet6_addr_add+0x12f/0xa40 [ 2697.133954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.133954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.133954][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.133954][ T73] netlink_unicast+0x449/0x710 [ 2697.133954][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.133954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.133954][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.133954][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.133954][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.133954][ T73] [ 2697.136450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.136450][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2697.136450][ T73] ipv6_find_idev+0x102/0x170 [ 2697.136450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.136450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.136450][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.136450][ T73] netlink_unicast+0x449/0x710 [ 2697.136450][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.136450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.136450][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.136450][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.136450][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.136450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.136450][ T73] [ 2697.138300][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2697.138300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2697.138300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2697.138300][ T73] ipv6_find_idev+0x102/0x170 [ 2697.138300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.138300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.138300][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.138300][ T73] netlink_unicast+0x449/0x710 [ 2697.138300][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.138300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.138300][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.138300][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.138300][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.138300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.138300][ T73] [ 2697.140419][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2697.140706][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2697.140706][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.140706][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.140706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.140706][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2697.140706][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2697.140706][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2697.140706][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2697.140706][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2697.140706][ T73] addrconf_dad_begin+0x310/0x670 [ 2697.140706][ T73] addrconf_dad_work+0x10b/0xab0 [ 2697.140706][ T73] process_one_work+0x84d/0x18a0 [ 2697.140706][ T73] worker_thread+0x587/0xd30 [ 2697.140706][ T73] kthread+0x28a/0x350 [ 2697.140706][ T73] ret_from_fork+0x31/0x70 [ 2697.140706][ T73] ret_from_fork_asm+0x1a/0x30 [ 2697.140706][ T73] [ 2697.143078][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2697.143078][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.143078][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.143078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.143078][ T73] ip6_route_add+0x1c/0x140 [ 2697.143078][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2697.143078][ T73] inet6_addr_add+0x4f8/0xa40 [ 2697.143078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.143078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.143078][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.143078][ T73] netlink_unicast+0x449/0x710 [ 2697.143078][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.143078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.143078][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.143078][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.143078][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.143078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.143078][ T73] [ 2697.145589][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2697.145589][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.145589][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.145589][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.145589][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2697.145589][ T73] ipv6_add_addr+0x411/0x2000 [ 2697.145589][ T73] inet6_addr_add+0x30e/0xa40 [ 2697.145589][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.145589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.145589][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.145589][ T73] netlink_unicast+0x449/0x710 [ 2697.145589][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.145589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.145589][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.145589][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.145589][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.145589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.145589][ T73] [ 2697.148066][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2697.148066][ T73] netdev_get_by_index+0x5e/0x80 [ 2697.148066][ T73] fib6_nh_init+0x3d8/0x1580 [ 2697.148066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2697.148066][ T73] ip6_route_add+0x1c/0x140 [ 2697.148066][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.148066][ T73] addrconf_add_dev+0xe2/0x170 [ 2697.148066][ T73] inet6_addr_add+0x12f/0xa40 [ 2697.148066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.148066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.148066][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.148066][ T73] netlink_unicast+0x449/0x710 [ 2697.148066][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.148066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.148066][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.148066][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.148066][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.148066][ T73] [ 2697.150507][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2697.150507][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2697.150507][ T73] ipv6_find_idev+0x102/0x170 [ 2697.150507][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.150507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.150507][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.150507][ T73] netlink_unicast+0x449/0x710 [ 2697.150507][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.150507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.150507][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.150507][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.150507][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.150507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.150507][ T73] [ 2697.152416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2697.152416][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2697.152416][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2697.152416][ T73] ipv6_find_idev+0x102/0x170 [ 2697.152416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.152416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.152416][ T73] netlink_rcv_skb+0x130/0x360 [ 2697.152416][ T73] netlink_unicast+0x449/0x710 [ 2697.152416][ T73] netlink_sendmsg+0x723/0xbe0 [ 2697.152416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2697.152416][ T73] ___sys_sendmsg+0xee/0x170 [ 2697.152416][ T73] __sys_sendmsg+0xcd/0x170 [ 2697.152416][ T73] do_syscall_64+0xc6/0x1e0 [ 2697.152416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.152416][ T73] [ 2707.350827][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2707.351312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.351312][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2707.351312][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2707.351312][ T73] fib6_nh_init+0xa22/0x1580 [ 2707.351312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.351312][ T73] ip6_route_add+0x1c/0x140 [ 2707.351312][ T73] inet6_rtm_newroute+0x104/0x110 [ 2707.351312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.351312][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.351312][ T73] netlink_unicast+0x449/0x710 [ 2707.351312][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.351312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.351312][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.351312][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.351312][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.351312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.351312][ T73] [ 2707.353493][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.353493][ T73] dst_init+0x84/0x4a0 [ 2707.353493][ T73] dst_alloc+0x97/0x150 [ 2707.353493][ T73] ip6_dst_alloc+0x23/0x90 [ 2707.353493][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.353493][ T73] ip6_pol_route+0x56f/0x840 [ 2707.353493][ T73] fib6_rule_lookup+0x456/0x630 [ 2707.353493][ T73] ip6_route_input+0x59c/0xa50 [ 2707.353493][ T73] ipv6_rcv+0x397/0x810 [ 2707.353493][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2707.353493][ T73] process_backlog+0x101/0x620 [ 2707.353493][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2707.353493][ T73] net_rx_action+0x495/0xbe0 [ 2707.353493][ T73] __do_softirq+0x1b5/0x7f6 [ 2707.353493][ T73] [ 2707.355358][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.355358][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.355358][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.355358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.355358][ T73] ip6_route_add+0x1c/0x140 [ 2707.355358][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2707.355358][ T73] inet6_addr_add+0x4f8/0xa40 [ 2707.355358][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.355358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.355358][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.355358][ T73] netlink_unicast+0x449/0x710 [ 2707.355358][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.355358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.355358][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.355358][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.355358][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.355358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.355358][ T73] [ 2707.357646][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.357646][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.357646][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.357646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.357646][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2707.357646][ T73] ipv6_add_addr+0x411/0x2000 [ 2707.357646][ T73] inet6_addr_add+0x30e/0xa40 [ 2707.357646][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.357646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.357646][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.357646][ T73] netlink_unicast+0x449/0x710 [ 2707.357646][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.357646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.357646][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.357646][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.357646][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.357646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.357646][ T73] [ 2707.359929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.359929][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.359929][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.359929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.359929][ T73] ip6_route_add+0x1c/0x140 [ 2707.359929][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.359929][ T73] addrconf_add_dev+0xe2/0x170 [ 2707.359929][ T73] inet6_addr_add+0x12f/0xa40 [ 2707.359929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.359929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.359929][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.359929][ T73] netlink_unicast+0x449/0x710 [ 2707.359929][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.359929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.359929][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.359929][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.359929][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.359929][ T73] [ 2707.362155][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.362155][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2707.362155][ T73] ipv6_find_idev+0x102/0x170 [ 2707.362155][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.362155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.362155][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.362155][ T73] netlink_unicast+0x449/0x710 [ 2707.362155][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.362155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.362155][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.362155][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.362155][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.362155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.362155][ T73] [ 2707.363911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2707.363911][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2707.363911][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2707.363911][ T73] ipv6_find_idev+0x102/0x170 [ 2707.363911][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.363911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.363911][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.363911][ T73] netlink_unicast+0x449/0x710 [ 2707.363911][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.363911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.363911][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.363911][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.363911][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.363911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.363911][ T73] [ 2707.365848][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2707.366149][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.366149][ T73] dst_init+0x84/0x4a0 [ 2707.366149][ T73] dst_alloc+0x97/0x150 [ 2707.366149][ T73] ip6_dst_alloc+0x23/0x90 [ 2707.366149][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.366149][ T73] ip6_pol_route+0x56f/0x840 [ 2707.366149][ T73] fib6_rule_lookup+0x456/0x630 [ 2707.366149][ T73] ip6_route_input+0x59c/0xa50 [ 2707.366149][ T73] ipv6_rcv+0x397/0x810 [ 2707.366149][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2707.366149][ T73] process_backlog+0x101/0x620 [ 2707.366149][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2707.366149][ T73] net_rx_action+0x495/0xbe0 [ 2707.366149][ T73] __do_softirq+0x1b5/0x7f6 [ 2707.366149][ T73] [ 2707.368046][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.368046][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.368046][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.368046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.368046][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2707.368046][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2707.368046][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2707.368046][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2707.368046][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2707.368046][ T73] addrconf_dad_begin+0x310/0x670 [ 2707.368046][ T73] addrconf_dad_work+0x10b/0xab0 [ 2707.368046][ T73] process_one_work+0x84d/0x18a0 [ 2707.368046][ T73] worker_thread+0x587/0xd30 [ 2707.368046][ T73] kthread+0x28a/0x350 [ 2707.368046][ T73] ret_from_fork+0x31/0x70 [ 2707.368046][ T73] ret_from_fork_asm+0x1a/0x30 [ 2707.368046][ T73] [ 2707.370219][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.370219][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.370219][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.370219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.370219][ T73] ip6_route_add+0x1c/0x140 [ 2707.370219][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2707.370219][ T73] inet6_addr_add+0x4f8/0xa40 [ 2707.370219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.370219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.370219][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.370219][ T73] netlink_unicast+0x449/0x710 [ 2707.370219][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.370219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.370219][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.370219][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.370219][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.370219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.370219][ T73] [ 2707.372486][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.372486][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.372486][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.372486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.372486][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2707.372486][ T73] ipv6_add_addr+0x411/0x2000 [ 2707.372486][ T73] inet6_addr_add+0x30e/0xa40 [ 2707.372486][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.372486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.372486][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.372486][ T73] netlink_unicast+0x449/0x710 [ 2707.372486][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.372486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.372486][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.372486][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.372486][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.372486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.372486][ T73] [ 2707.374764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.374764][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.374764][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.374764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.374764][ T73] ip6_route_add+0x1c/0x140 [ 2707.374764][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.374764][ T73] addrconf_add_dev+0xe2/0x170 [ 2707.374764][ T73] inet6_addr_add+0x12f/0xa40 [ 2707.374764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.374764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.374764][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.374764][ T73] netlink_unicast+0x449/0x710 [ 2707.374764][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.374764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.374764][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.374764][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.374764][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.374764][ T73] [ 2707.377019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.377019][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2707.377019][ T73] ipv6_find_idev+0x102/0x170 [ 2707.377019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.377019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.377019][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.377019][ T73] netlink_unicast+0x449/0x710 [ 2707.377019][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.377019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.377019][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.377019][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.377019][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.377019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.377019][ T73] [ 2707.378777][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2707.378777][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2707.378777][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2707.378777][ T73] ipv6_find_idev+0x102/0x170 [ 2707.378777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.378777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.378777][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.378777][ T73] netlink_unicast+0x449/0x710 [ 2707.378777][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.378777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.378777][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.378777][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.378777][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.378777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.378777][ T73] [ 2707.380835][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2707.381137][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.381137][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2707.381137][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2707.381137][ T73] fib6_nh_init+0xa22/0x1580 [ 2707.381137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.381137][ T73] ip6_route_add+0x1c/0x140 [ 2707.381137][ T73] inet6_rtm_newroute+0x104/0x110 [ 2707.381137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.381137][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.381137][ T73] netlink_unicast+0x449/0x710 [ 2707.381137][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.381137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.381137][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.381137][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.381137][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.381137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.381137][ T73] [ 2707.383535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.383535][ T73] dst_init+0x84/0x4a0 [ 2707.383535][ T73] dst_alloc+0x97/0x150 [ 2707.383535][ T73] ip6_dst_alloc+0x23/0x90 [ 2707.383535][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.383535][ T73] ip6_pol_route+0x56f/0x840 [ 2707.383535][ T73] fib6_rule_lookup+0x456/0x630 [ 2707.383535][ T73] ip6_route_input+0x59c/0xa50 [ 2707.383535][ T73] ipv6_rcv+0x397/0x810 [ 2707.383535][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2707.383535][ T73] process_backlog+0x101/0x620 [ 2707.383535][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2707.383535][ T73] net_rx_action+0x495/0xbe0 [ 2707.383535][ T73] __do_softirq+0x1b5/0x7f6 [ 2707.383535][ T73] [ 2707.385581][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.385581][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.385581][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.385581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.385581][ T73] ip6_route_add+0x1c/0x140 [ 2707.385581][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2707.385581][ T73] inet6_addr_add+0x4f8/0xa40 [ 2707.385581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.385581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.385581][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.385581][ T73] netlink_unicast+0x449/0x710 [ 2707.385581][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.385581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.385581][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.385581][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.385581][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.385581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.385581][ T73] [ 2707.388175][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.388175][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.388175][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.388175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.388175][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2707.388175][ T73] ipv6_add_addr+0x411/0x2000 [ 2707.388175][ T73] inet6_addr_add+0x30e/0xa40 [ 2707.388175][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.388175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.388175][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.388175][ T73] netlink_unicast+0x449/0x710 [ 2707.388175][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.388175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.388175][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.388175][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.388175][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.388175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.388175][ T73] [ 2707.390691][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.390691][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.390691][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.390691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.390691][ T73] ip6_route_add+0x1c/0x140 [ 2707.390691][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.390691][ T73] addrconf_add_dev+0xe2/0x170 [ 2707.390691][ T73] inet6_addr_add+0x12f/0xa40 [ 2707.390691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.390691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.390691][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.390691][ T73] netlink_unicast+0x449/0x710 [ 2707.390691][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.390691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.390691][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.390691][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.390691][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.390691][ T73] [ 2707.393090][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.393090][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2707.393090][ T73] ipv6_find_idev+0x102/0x170 [ 2707.393090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.393090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.393090][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.393090][ T73] netlink_unicast+0x449/0x710 [ 2707.393090][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.393090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.393090][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.393090][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.393090][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.393090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.393090][ T73] [ 2707.395027][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2707.395027][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2707.395027][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2707.395027][ T73] ipv6_find_idev+0x102/0x170 [ 2707.395027][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.395027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.395027][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.395027][ T73] netlink_unicast+0x449/0x710 [ 2707.395027][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.395027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.395027][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.395027][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.395027][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.395027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.395027][ T73] [ 2707.397213][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2707.397518][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2707.397518][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.397518][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.397518][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.397518][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2707.397518][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2707.397518][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2707.397518][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2707.397518][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2707.397518][ T73] addrconf_dad_begin+0x310/0x670 [ 2707.397518][ T73] addrconf_dad_work+0x10b/0xab0 [ 2707.397518][ T73] process_one_work+0x84d/0x18a0 [ 2707.397518][ T73] worker_thread+0x587/0xd30 [ 2707.397518][ T73] kthread+0x28a/0x350 [ 2707.397518][ T73] ret_from_fork+0x31/0x70 [ 2707.397518][ T73] ret_from_fork_asm+0x1a/0x30 [ 2707.397518][ T73] [ 2707.399942][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2707.399942][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.399942][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.399942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.399942][ T73] ip6_route_add+0x1c/0x140 [ 2707.399942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2707.399942][ T73] inet6_addr_add+0x4f8/0xa40 [ 2707.399942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.399942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.399942][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.399942][ T73] netlink_unicast+0x449/0x710 [ 2707.399942][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.399942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.399942][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.399942][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.399942][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.399942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.399942][ T73] [ 2707.402419][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2707.402419][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.402419][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.402419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.402419][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2707.402419][ T73] ipv6_add_addr+0x411/0x2000 [ 2707.402419][ T73] inet6_addr_add+0x30e/0xa40 [ 2707.402419][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.402419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.402419][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.402419][ T73] netlink_unicast+0x449/0x710 [ 2707.402419][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.402419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.402419][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.402419][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.402419][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.402419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.402419][ T73] [ 2707.404960][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2707.404960][ T73] netdev_get_by_index+0x5e/0x80 [ 2707.404960][ T73] fib6_nh_init+0x3d8/0x1580 [ 2707.404960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2707.404960][ T73] ip6_route_add+0x1c/0x140 [ 2707.404960][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.404960][ T73] addrconf_add_dev+0xe2/0x170 [ 2707.404960][ T73] inet6_addr_add+0x12f/0xa40 [ 2707.404960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.404960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.404960][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.404960][ T73] netlink_unicast+0x449/0x710 [ 2707.404960][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.404960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.404960][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.404960][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.404960][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.404960][ T73] [ 2707.407415][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2707.407415][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2707.407415][ T73] ipv6_find_idev+0x102/0x170 [ 2707.407415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.407415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.407415][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.407415][ T73] netlink_unicast+0x449/0x710 [ 2707.407415][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.407415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.407415][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.407415][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.407415][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.407415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.407415][ T73] [ 2707.409411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2707.409411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2707.409411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2707.409411][ T73] ipv6_find_idev+0x102/0x170 [ 2707.409411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.409411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.409411][ T73] netlink_rcv_skb+0x130/0x360 [ 2707.409411][ T73] netlink_unicast+0x449/0x710 [ 2707.409411][ T73] netlink_sendmsg+0x723/0xbe0 [ 2707.409411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2707.409411][ T73] ___sys_sendmsg+0xee/0x170 [ 2707.409411][ T73] __sys_sendmsg+0xcd/0x170 [ 2707.409411][ T73] do_syscall_64+0xc6/0x1e0 [ 2707.409411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.409411][ T73] [ 2717.654895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2717.655387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.655387][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2717.655387][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2717.655387][ T73] fib6_nh_init+0xa22/0x1580 [ 2717.655387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.655387][ T73] ip6_route_add+0x1c/0x140 [ 2717.655387][ T73] inet6_rtm_newroute+0x104/0x110 [ 2717.655387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.655387][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.655387][ T73] netlink_unicast+0x449/0x710 [ 2717.655387][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.655387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.655387][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.655387][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.655387][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.655387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.655387][ T73] [ 2717.657543][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.657543][ T73] dst_init+0x84/0x4a0 [ 2717.657543][ T73] dst_alloc+0x97/0x150 [ 2717.657543][ T73] ip6_dst_alloc+0x23/0x90 [ 2717.657543][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.657543][ T73] ip6_pol_route+0x56f/0x840 [ 2717.657543][ T73] fib6_rule_lookup+0x456/0x630 [ 2717.657543][ T73] ip6_route_input+0x59c/0xa50 [ 2717.657543][ T73] ipv6_rcv+0x397/0x810 [ 2717.657543][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2717.657543][ T73] process_backlog+0x101/0x620 [ 2717.657543][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2717.657543][ T73] net_rx_action+0x495/0xbe0 [ 2717.657543][ T73] __do_softirq+0x1b5/0x7f6 [ 2717.657543][ T73] [ 2717.659420][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.659420][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.659420][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.659420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.659420][ T73] ip6_route_add+0x1c/0x140 [ 2717.659420][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2717.659420][ T73] inet6_addr_add+0x4f8/0xa40 [ 2717.659420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.659420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.659420][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.659420][ T73] netlink_unicast+0x449/0x710 [ 2717.659420][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.659420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.659420][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.659420][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.659420][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.659420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.659420][ T73] [ 2717.661714][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.661714][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.661714][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.661714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.661714][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2717.661714][ T73] ipv6_add_addr+0x411/0x2000 [ 2717.661714][ T73] inet6_addr_add+0x30e/0xa40 [ 2717.661714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.661714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.661714][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.661714][ T73] netlink_unicast+0x449/0x710 [ 2717.661714][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.661714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.661714][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.661714][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.661714][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.661714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.661714][ T73] [ 2717.663965][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.663965][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.663965][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.663965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.663965][ T73] ip6_route_add+0x1c/0x140 [ 2717.663965][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.663965][ T73] addrconf_add_dev+0xe2/0x170 [ 2717.663965][ T73] inet6_addr_add+0x12f/0xa40 [ 2717.663965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.663965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.663965][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.663965][ T73] netlink_unicast+0x449/0x710 [ 2717.663965][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.663965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.663965][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.663965][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.663965][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.663965][ T73] [ 2717.666179][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.666179][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2717.666179][ T73] ipv6_find_idev+0x102/0x170 [ 2717.666179][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.666179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.666179][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.666179][ T73] netlink_unicast+0x449/0x710 [ 2717.666179][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.666179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.666179][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.666179][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.666179][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.666179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.666179][ T73] [ 2717.667921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2717.667921][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2717.667921][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2717.667921][ T73] ipv6_find_idev+0x102/0x170 [ 2717.667921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.667921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.667921][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.667921][ T73] netlink_unicast+0x449/0x710 [ 2717.667921][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.667921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.667921][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.667921][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.667921][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.667921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.667921][ T73] [ 2717.669857][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2717.670164][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.670164][ T73] dst_init+0x84/0x4a0 [ 2717.670164][ T73] dst_alloc+0x97/0x150 [ 2717.670164][ T73] ip6_dst_alloc+0x23/0x90 [ 2717.670164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.670164][ T73] ip6_pol_route+0x56f/0x840 [ 2717.670164][ T73] fib6_rule_lookup+0x456/0x630 [ 2717.670164][ T73] ip6_route_input+0x59c/0xa50 [ 2717.670164][ T73] ipv6_rcv+0x397/0x810 [ 2717.670164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2717.670164][ T73] process_backlog+0x101/0x620 [ 2717.670164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2717.670164][ T73] net_rx_action+0x495/0xbe0 [ 2717.670164][ T73] __do_softirq+0x1b5/0x7f6 [ 2717.670164][ T73] [ 2717.672042][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.672042][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.672042][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.672042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.672042][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2717.672042][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.672042][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2717.672042][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.672042][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2717.672042][ T73] addrconf_dad_begin+0x310/0x670 [ 2717.672042][ T73] addrconf_dad_work+0x10b/0xab0 [ 2717.672042][ T73] process_one_work+0x84d/0x18a0 [ 2717.672042][ T73] worker_thread+0x587/0xd30 [ 2717.672042][ T73] kthread+0x28a/0x350 [ 2717.672042][ T73] ret_from_fork+0x31/0x70 [ 2717.672042][ T73] ret_from_fork_asm+0x1a/0x30 [ 2717.672042][ T73] [ 2717.674243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.674243][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.674243][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.674243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.674243][ T73] ip6_route_add+0x1c/0x140 [ 2717.674243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2717.674243][ T73] inet6_addr_add+0x4f8/0xa40 [ 2717.674243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.674243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.674243][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.674243][ T73] netlink_unicast+0x449/0x710 [ 2717.674243][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.674243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.674243][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.674243][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.674243][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.674243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.674243][ T73] [ 2717.676536][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.676536][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.676536][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.676536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.676536][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2717.676536][ T73] ipv6_add_addr+0x411/0x2000 [ 2717.676536][ T73] inet6_addr_add+0x30e/0xa40 [ 2717.676536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.676536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.676536][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.676536][ T73] netlink_unicast+0x449/0x710 [ 2717.676536][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.676536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.676536][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.676536][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.676536][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.676536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.676536][ T73] [ 2717.678826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.678826][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.678826][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.678826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.678826][ T73] ip6_route_add+0x1c/0x140 [ 2717.678826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.678826][ T73] addrconf_add_dev+0xe2/0x170 [ 2717.678826][ T73] inet6_addr_add+0x12f/0xa40 [ 2717.678826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.678826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.678826][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.678826][ T73] netlink_unicast+0x449/0x710 [ 2717.678826][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.678826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.678826][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.678826][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.678826][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.678826][ T73] [ 2717.681071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.681071][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2717.681071][ T73] ipv6_find_idev+0x102/0x170 [ 2717.681071][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.681071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.681071][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.681071][ T73] netlink_unicast+0x449/0x710 [ 2717.681071][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.681071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.681071][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.681071][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.681071][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.681071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.681071][ T73] [ 2717.682840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2717.682840][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2717.682840][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2717.682840][ T73] ipv6_find_idev+0x102/0x170 [ 2717.682840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.682840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.682840][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.682840][ T73] netlink_unicast+0x449/0x710 [ 2717.682840][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.682840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.682840][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.682840][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.682840][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.682840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.682840][ T73] [ 2717.684882][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2717.685186][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.685186][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2717.685186][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2717.685186][ T73] fib6_nh_init+0xa22/0x1580 [ 2717.685186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.685186][ T73] ip6_route_add+0x1c/0x140 [ 2717.685186][ T73] inet6_rtm_newroute+0x104/0x110 [ 2717.685186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.685186][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.685186][ T73] netlink_unicast+0x449/0x710 [ 2717.685186][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.685186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.685186][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.685186][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.685186][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.685186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.685186][ T73] [ 2717.687652][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.687652][ T73] dst_init+0x84/0x4a0 [ 2717.687652][ T73] dst_alloc+0x97/0x150 [ 2717.687652][ T73] ip6_dst_alloc+0x23/0x90 [ 2717.687652][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.687652][ T73] ip6_pol_route+0x56f/0x840 [ 2717.687652][ T73] fib6_rule_lookup+0x456/0x630 [ 2717.687652][ T73] ip6_route_input+0x59c/0xa50 [ 2717.687652][ T73] ipv6_rcv+0x397/0x810 [ 2717.687652][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2717.687652][ T73] process_backlog+0x101/0x620 [ 2717.687652][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2717.687652][ T73] net_rx_action+0x495/0xbe0 [ 2717.687652][ T73] __do_softirq+0x1b5/0x7f6 [ 2717.687652][ T73] [ 2717.689718][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.689718][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.689718][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.689718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.689718][ T73] ip6_route_add+0x1c/0x140 [ 2717.689718][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2717.689718][ T73] inet6_addr_add+0x4f8/0xa40 [ 2717.689718][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.689718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.689718][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.689718][ T73] netlink_unicast+0x449/0x710 [ 2717.689718][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.689718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.689718][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.689718][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.689718][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.689718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.689718][ T73] [ 2717.692257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.692257][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.692257][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.692257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.692257][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2717.692257][ T73] ipv6_add_addr+0x411/0x2000 [ 2717.692257][ T73] inet6_addr_add+0x30e/0xa40 [ 2717.692257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.692257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.692257][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.692257][ T73] netlink_unicast+0x449/0x710 [ 2717.692257][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.692257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.692257][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.692257][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.692257][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.692257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.692257][ T73] [ 2717.694778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.694778][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.694778][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.694778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.694778][ T73] ip6_route_add+0x1c/0x140 [ 2717.694778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.694778][ T73] addrconf_add_dev+0xe2/0x170 [ 2717.694778][ T73] inet6_addr_add+0x12f/0xa40 [ 2717.694778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.694778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.694778][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.694778][ T73] netlink_unicast+0x449/0x710 [ 2717.694778][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.694778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.694778][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.694778][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.694778][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.694778][ T73] [ 2717.697274][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.697274][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2717.697274][ T73] ipv6_find_idev+0x102/0x170 [ 2717.697274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.697274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.697274][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.697274][ T73] netlink_unicast+0x449/0x710 [ 2717.697274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.697274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.697274][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.697274][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.697274][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.697274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.697274][ T73] [ 2717.699217][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2717.699217][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2717.699217][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2717.699217][ T73] ipv6_find_idev+0x102/0x170 [ 2717.699217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.699217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.699217][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.699217][ T73] netlink_unicast+0x449/0x710 [ 2717.699217][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.699217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.699217][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.699217][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.699217][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.699217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.699217][ T73] [ 2717.701536][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2717.702298][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2717.702298][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.702298][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.702298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.702298][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2717.702298][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.702298][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2717.702298][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.702298][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2717.702298][ T73] addrconf_dad_begin+0x310/0x670 [ 2717.702298][ T73] addrconf_dad_work+0x10b/0xab0 [ 2717.702298][ T73] process_one_work+0x84d/0x18a0 [ 2717.702298][ T73] worker_thread+0x587/0xd30 [ 2717.702298][ T73] kthread+0x28a/0x350 [ 2717.702298][ T73] ret_from_fork+0x31/0x70 [ 2717.702298][ T73] ret_from_fork_asm+0x1a/0x30 [ 2717.702298][ T73] [ 2717.704632][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2717.704632][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.704632][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.704632][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.704632][ T73] ip6_route_add+0x1c/0x140 [ 2717.704632][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2717.704632][ T73] inet6_addr_add+0x4f8/0xa40 [ 2717.704632][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.704632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.704632][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.704632][ T73] netlink_unicast+0x449/0x710 [ 2717.704632][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.704632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.704632][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.704632][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.704632][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.704632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.704632][ T73] [ 2717.707019][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2717.707019][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.707019][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.707019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.707019][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2717.707019][ T73] ipv6_add_addr+0x411/0x2000 [ 2717.707019][ T73] inet6_addr_add+0x30e/0xa40 [ 2717.707019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.707019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.707019][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.707019][ T73] netlink_unicast+0x449/0x710 [ 2717.707019][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.707019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.707019][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.707019][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.707019][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.707019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.707019][ T73] [ 2717.709495][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2717.709495][ T73] netdev_get_by_index+0x5e/0x80 [ 2717.709495][ T73] fib6_nh_init+0x3d8/0x1580 [ 2717.709495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2717.709495][ T73] ip6_route_add+0x1c/0x140 [ 2717.709495][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.709495][ T73] addrconf_add_dev+0xe2/0x170 [ 2717.709495][ T73] inet6_addr_add+0x12f/0xa40 [ 2717.709495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.709495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.709495][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.709495][ T73] netlink_unicast+0x449/0x710 [ 2717.709495][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.709495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.709495][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.709495][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.709495][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.709495][ T73] [ 2717.712040][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2717.712040][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2717.712040][ T73] ipv6_find_idev+0x102/0x170 [ 2717.712040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.712040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.712040][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.712040][ T73] netlink_unicast+0x449/0x710 [ 2717.712040][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.712040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.712040][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.712040][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.712040][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.712040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.712040][ T73] [ 2717.713993][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2717.713993][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2717.713993][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2717.713993][ T73] ipv6_find_idev+0x102/0x170 [ 2717.713993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.713993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.713993][ T73] netlink_rcv_skb+0x130/0x360 [ 2717.713993][ T73] netlink_unicast+0x449/0x710 [ 2717.713993][ T73] netlink_sendmsg+0x723/0xbe0 [ 2717.713993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2717.713993][ T73] ___sys_sendmsg+0xee/0x170 [ 2717.713993][ T73] __sys_sendmsg+0xcd/0x170 [ 2717.713993][ T73] do_syscall_64+0xc6/0x1e0 [ 2717.713993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.713993][ T73] [ 2727.958923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2727.959415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.959415][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2727.959415][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2727.959415][ T73] fib6_nh_init+0xa22/0x1580 [ 2727.959415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.959415][ T73] ip6_route_add+0x1c/0x140 [ 2727.959415][ T73] inet6_rtm_newroute+0x104/0x110 [ 2727.959415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.959415][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.959415][ T73] netlink_unicast+0x449/0x710 [ 2727.959415][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.959415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.959415][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.959415][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.959415][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.959415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.959415][ T73] [ 2727.961592][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.961592][ T73] dst_init+0x84/0x4a0 [ 2727.961592][ T73] dst_alloc+0x97/0x150 [ 2727.961592][ T73] ip6_dst_alloc+0x23/0x90 [ 2727.961592][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2727.961592][ T73] ip6_pol_route+0x56f/0x840 [ 2727.961592][ T73] fib6_rule_lookup+0x456/0x630 [ 2727.961592][ T73] ip6_route_input+0x59c/0xa50 [ 2727.961592][ T73] ipv6_rcv+0x397/0x810 [ 2727.961592][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2727.961592][ T73] process_backlog+0x101/0x620 [ 2727.961592][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2727.961592][ T73] net_rx_action+0x495/0xbe0 [ 2727.961592][ T73] __do_softirq+0x1b5/0x7f6 [ 2727.961592][ T73] [ 2727.963456][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.963456][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.963456][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.963456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.963456][ T73] ip6_route_add+0x1c/0x140 [ 2727.963456][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2727.963456][ T73] inet6_addr_add+0x4f8/0xa40 [ 2727.963456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.963456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.963456][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.963456][ T73] netlink_unicast+0x449/0x710 [ 2727.963456][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.963456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.963456][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.963456][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.963456][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.963456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.963456][ T73] [ 2727.965733][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.965733][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.965733][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.965733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.965733][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2727.965733][ T73] ipv6_add_addr+0x411/0x2000 [ 2727.965733][ T73] inet6_addr_add+0x30e/0xa40 [ 2727.965733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.965733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.965733][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.965733][ T73] netlink_unicast+0x449/0x710 [ 2727.965733][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.965733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.965733][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.965733][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.965733][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.965733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.965733][ T73] [ 2727.968010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.968010][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.968010][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.968010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.968010][ T73] ip6_route_add+0x1c/0x140 [ 2727.968010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.968010][ T73] addrconf_add_dev+0xe2/0x170 [ 2727.968010][ T73] inet6_addr_add+0x12f/0xa40 [ 2727.968010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.968010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.968010][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.968010][ T73] netlink_unicast+0x449/0x710 [ 2727.968010][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.968010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.968010][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.968010][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.968010][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.968010][ T73] [ 2727.970291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.970291][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2727.970291][ T73] ipv6_find_idev+0x102/0x170 [ 2727.970291][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.970291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.970291][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.970291][ T73] netlink_unicast+0x449/0x710 [ 2727.970291][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.970291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.970291][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.970291][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.970291][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.970291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.970291][ T73] [ 2727.972017][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2727.972017][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2727.972017][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2727.972017][ T73] ipv6_find_idev+0x102/0x170 [ 2727.972017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.972017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.972017][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.972017][ T73] netlink_unicast+0x449/0x710 [ 2727.972017][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.972017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.972017][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.972017][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.972017][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.972017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.972017][ T73] [ 2727.973958][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2727.974260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.974260][ T73] dst_init+0x84/0x4a0 [ 2727.974260][ T73] dst_alloc+0x97/0x150 [ 2727.974260][ T73] ip6_dst_alloc+0x23/0x90 [ 2727.974260][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2727.974260][ T73] ip6_pol_route+0x56f/0x840 [ 2727.974260][ T73] fib6_rule_lookup+0x456/0x630 [ 2727.974260][ T73] ip6_route_input+0x59c/0xa50 [ 2727.974260][ T73] ipv6_rcv+0x397/0x810 [ 2727.974260][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2727.974260][ T73] process_backlog+0x101/0x620 [ 2727.974260][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2727.974260][ T73] net_rx_action+0x495/0xbe0 [ 2727.974260][ T73] __do_softirq+0x1b5/0x7f6 [ 2727.974260][ T73] [ 2727.976125][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.976125][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.976125][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.976125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.976125][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2727.976125][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.976125][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2727.976125][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.976125][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2727.976125][ T73] addrconf_dad_begin+0x310/0x670 [ 2727.976125][ T73] addrconf_dad_work+0x10b/0xab0 [ 2727.976125][ T73] process_one_work+0x84d/0x18a0 [ 2727.976125][ T73] worker_thread+0x587/0xd30 [ 2727.976125][ T73] kthread+0x28a/0x350 [ 2727.976125][ T73] ret_from_fork+0x31/0x70 [ 2727.976125][ T73] ret_from_fork_asm+0x1a/0x30 [ 2727.976125][ T73] [ 2727.978301][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.978301][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.978301][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.978301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.978301][ T73] ip6_route_add+0x1c/0x140 [ 2727.978301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2727.978301][ T73] inet6_addr_add+0x4f8/0xa40 [ 2727.978301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.978301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.978301][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.978301][ T73] netlink_unicast+0x449/0x710 [ 2727.978301][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.978301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.978301][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.978301][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.978301][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.978301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.978301][ T73] [ 2727.980597][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.980597][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.980597][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.980597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.980597][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2727.980597][ T73] ipv6_add_addr+0x411/0x2000 [ 2727.980597][ T73] inet6_addr_add+0x30e/0xa40 [ 2727.980597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.980597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.980597][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.980597][ T73] netlink_unicast+0x449/0x710 [ 2727.980597][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.980597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.980597][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.980597][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.980597][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.980597][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.980597][ T73] [ 2727.983031][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.983031][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.983031][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.983031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.983031][ T73] ip6_route_add+0x1c/0x140 [ 2727.983031][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.983031][ T73] addrconf_add_dev+0xe2/0x170 [ 2727.983031][ T73] inet6_addr_add+0x12f/0xa40 [ 2727.983031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.983031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.983031][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.983031][ T73] netlink_unicast+0x449/0x710 [ 2727.983031][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.983031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.983031][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.983031][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.983031][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.983031][ T73] [ 2727.985249][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.985249][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2727.985249][ T73] ipv6_find_idev+0x102/0x170 [ 2727.985249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.985249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.985249][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.985249][ T73] netlink_unicast+0x449/0x710 [ 2727.985249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.985249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.985249][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.985249][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.985249][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.985249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.985249][ T73] [ 2727.986980][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2727.986980][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2727.986980][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2727.986980][ T73] ipv6_find_idev+0x102/0x170 [ 2727.986980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.986980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.986980][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.986980][ T73] netlink_unicast+0x449/0x710 [ 2727.986980][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.986980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.986980][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.986980][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.986980][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.986980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.986980][ T73] [ 2727.989051][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2727.989350][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2727.989350][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2727.989350][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2727.989350][ T73] fib6_nh_init+0xa22/0x1580 [ 2727.989350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.989350][ T73] ip6_route_add+0x1c/0x140 [ 2727.989350][ T73] inet6_rtm_newroute+0x104/0x110 [ 2727.989350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.989350][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.989350][ T73] netlink_unicast+0x449/0x710 [ 2727.989350][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.989350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.989350][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.989350][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.989350][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.989350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.989350][ T73] [ 2727.991798][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2727.991798][ T73] dst_init+0x84/0x4a0 [ 2727.991798][ T73] dst_alloc+0x97/0x150 [ 2727.991798][ T73] ip6_dst_alloc+0x23/0x90 [ 2727.991798][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2727.991798][ T73] ip6_pol_route+0x56f/0x840 [ 2727.991798][ T73] fib6_rule_lookup+0x456/0x630 [ 2727.991798][ T73] ip6_route_input+0x59c/0xa50 [ 2727.991798][ T73] ipv6_rcv+0x397/0x810 [ 2727.991798][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2727.991798][ T73] process_backlog+0x101/0x620 [ 2727.991798][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2727.991798][ T73] net_rx_action+0x495/0xbe0 [ 2727.991798][ T73] __do_softirq+0x1b5/0x7f6 [ 2727.991798][ T73] [ 2727.993875][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2727.993875][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.993875][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.993875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.993875][ T73] ip6_route_add+0x1c/0x140 [ 2727.993875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2727.993875][ T73] inet6_addr_add+0x4f8/0xa40 [ 2727.993875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.993875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.993875][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.993875][ T73] netlink_unicast+0x449/0x710 [ 2727.993875][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.993875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.993875][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.993875][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.993875][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.993875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.993875][ T73] [ 2727.996512][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2727.996512][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.996512][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.996512][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.996512][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2727.996512][ T73] ipv6_add_addr+0x411/0x2000 [ 2727.996512][ T73] inet6_addr_add+0x30e/0xa40 [ 2727.996512][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.996512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.996512][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.996512][ T73] netlink_unicast+0x449/0x710 [ 2727.996512][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.996512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.996512][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.996512][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.996512][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.996512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.996512][ T73] [ 2727.999081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2727.999081][ T73] netdev_get_by_index+0x5e/0x80 [ 2727.999081][ T73] fib6_nh_init+0x3d8/0x1580 [ 2727.999081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2727.999081][ T73] ip6_route_add+0x1c/0x140 [ 2727.999081][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.999081][ T73] addrconf_add_dev+0xe2/0x170 [ 2727.999081][ T73] inet6_addr_add+0x12f/0xa40 [ 2727.999081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.999081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.999081][ T73] netlink_rcv_skb+0x130/0x360 [ 2727.999081][ T73] netlink_unicast+0x449/0x710 [ 2727.999081][ T73] netlink_sendmsg+0x723/0xbe0 [ 2727.999081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2727.999081][ T73] ___sys_sendmsg+0xee/0x170 [ 2727.999081][ T73] __sys_sendmsg+0xcd/0x170 [ 2727.999081][ T73] do_syscall_64+0xc6/0x1e0 [ 2727.999081][ T73] [ 2728.001580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2728.001580][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2728.001580][ T73] ipv6_find_idev+0x102/0x170 [ 2728.001580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.001580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.001580][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.001580][ T73] netlink_unicast+0x449/0x710 [ 2728.001580][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.001580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.001580][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.001580][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.001580][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.001580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.001580][ T73] [ 2728.003520][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2728.003520][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2728.003520][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2728.003520][ T73] ipv6_find_idev+0x102/0x170 [ 2728.003520][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.003520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.003520][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.003520][ T73] netlink_unicast+0x449/0x710 [ 2728.003520][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.003520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.003520][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.003520][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.003520][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.003520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.003520][ T73] [ 2728.005681][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2728.006403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2728.006403][ T73] netdev_get_by_index+0x5e/0x80 [ 2728.006403][ T73] fib6_nh_init+0x3d8/0x1580 [ 2728.006403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2728.006403][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2728.006403][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2728.006403][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2728.006403][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2728.006403][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2728.006403][ T73] addrconf_dad_begin+0x310/0x670 [ 2728.006403][ T73] addrconf_dad_work+0x10b/0xab0 [ 2728.006403][ T73] process_one_work+0x84d/0x18a0 [ 2728.006403][ T73] worker_thread+0x587/0xd30 [ 2728.006403][ T73] kthread+0x28a/0x350 [ 2728.006403][ T73] ret_from_fork+0x31/0x70 [ 2728.006403][ T73] ret_from_fork_asm+0x1a/0x30 [ 2728.006403][ T73] [ 2728.008567][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2728.008567][ T73] netdev_get_by_index+0x5e/0x80 [ 2728.008567][ T73] fib6_nh_init+0x3d8/0x1580 [ 2728.008567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2728.008567][ T73] ip6_route_add+0x1c/0x140 [ 2728.008567][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2728.008567][ T73] inet6_addr_add+0x4f8/0xa40 [ 2728.008567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.008567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.008567][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.008567][ T73] netlink_unicast+0x449/0x710 [ 2728.008567][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.008567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.008567][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.008567][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.008567][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.008567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.008567][ T73] [ 2728.010879][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2728.010879][ T73] netdev_get_by_index+0x5e/0x80 [ 2728.010879][ T73] fib6_nh_init+0x3d8/0x1580 [ 2728.010879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2728.010879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2728.010879][ T73] ipv6_add_addr+0x411/0x2000 [ 2728.010879][ T73] inet6_addr_add+0x30e/0xa40 [ 2728.010879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.010879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.010879][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.010879][ T73] netlink_unicast+0x449/0x710 [ 2728.010879][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.010879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.010879][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.010879][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.010879][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.010879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.010879][ T73] [ 2728.013284][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2728.013284][ T73] netdev_get_by_index+0x5e/0x80 [ 2728.013284][ T73] fib6_nh_init+0x3d8/0x1580 [ 2728.013284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2728.013284][ T73] ip6_route_add+0x1c/0x140 [ 2728.013284][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2728.013284][ T73] addrconf_add_dev+0xe2/0x170 [ 2728.013284][ T73] inet6_addr_add+0x12f/0xa40 [ 2728.013284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.013284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.013284][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.013284][ T73] netlink_unicast+0x449/0x710 [ 2728.013284][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.013284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.013284][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.013284][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.013284][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.013284][ T73] [ 2728.015652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2728.015652][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2728.015652][ T73] ipv6_find_idev+0x102/0x170 [ 2728.015652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.015652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.015652][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.015652][ T73] netlink_unicast+0x449/0x710 [ 2728.015652][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.015652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.015652][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.015652][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.015652][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.015652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.015652][ T73] [ 2728.017462][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2728.017462][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2728.017462][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2728.017462][ T73] ipv6_find_idev+0x102/0x170 [ 2728.017462][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.017462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.017462][ T73] netlink_rcv_skb+0x130/0x360 [ 2728.017462][ T73] netlink_unicast+0x449/0x710 [ 2728.017462][ T73] netlink_sendmsg+0x723/0xbe0 [ 2728.017462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2728.017462][ T73] ___sys_sendmsg+0xee/0x170 [ 2728.017462][ T73] __sys_sendmsg+0xcd/0x170 [ 2728.017462][ T73] do_syscall_64+0xc6/0x1e0 [ 2728.017462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.017462][ T73] [ 2738.254910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2738.255307][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.255307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2738.255307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2738.255307][ T73] fib6_nh_init+0xa22/0x1580 [ 2738.255307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.255307][ T73] ip6_route_add+0x1c/0x140 [ 2738.255307][ T73] inet6_rtm_newroute+0x104/0x110 [ 2738.255307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.255307][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.255307][ T73] netlink_unicast+0x449/0x710 [ 2738.255307][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.255307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.255307][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.255307][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.255307][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.255307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.255307][ T73] [ 2738.257437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.257437][ T73] dst_init+0x84/0x4a0 [ 2738.257437][ T73] dst_alloc+0x97/0x150 [ 2738.257437][ T73] ip6_dst_alloc+0x23/0x90 [ 2738.257437][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.257437][ T73] ip6_pol_route+0x56f/0x840 [ 2738.257437][ T73] fib6_rule_lookup+0x456/0x630 [ 2738.257437][ T73] ip6_route_input+0x59c/0xa50 [ 2738.257437][ T73] ipv6_rcv+0x397/0x810 [ 2738.257437][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2738.257437][ T73] process_backlog+0x101/0x620 [ 2738.257437][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2738.257437][ T73] net_rx_action+0x495/0xbe0 [ 2738.257437][ T73] __do_softirq+0x1b5/0x7f6 [ 2738.257437][ T73] [ 2738.259274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.259274][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.259274][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.259274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.259274][ T73] ip6_route_add+0x1c/0x140 [ 2738.259274][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2738.259274][ T73] inet6_addr_add+0x4f8/0xa40 [ 2738.259274][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.259274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.259274][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.259274][ T73] netlink_unicast+0x449/0x710 [ 2738.259274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.259274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.259274][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.259274][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.259274][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.259274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.259274][ T73] [ 2738.261476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.261476][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.261476][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.261476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.261476][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2738.261476][ T73] ipv6_add_addr+0x411/0x2000 [ 2738.261476][ T73] inet6_addr_add+0x30e/0xa40 [ 2738.261476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.261476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.261476][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.261476][ T73] netlink_unicast+0x449/0x710 [ 2738.261476][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.261476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.261476][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.261476][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.261476][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.261476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.261476][ T73] [ 2738.263745][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.263745][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.263745][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.263745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.263745][ T73] ip6_route_add+0x1c/0x140 [ 2738.263745][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.263745][ T73] addrconf_add_dev+0xe2/0x170 [ 2738.263745][ T73] inet6_addr_add+0x12f/0xa40 [ 2738.263745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.263745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.263745][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.263745][ T73] netlink_unicast+0x449/0x710 [ 2738.263745][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.263745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.263745][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.263745][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.263745][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.263745][ T73] [ 2738.265939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.265939][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2738.265939][ T73] ipv6_find_idev+0x102/0x170 [ 2738.265939][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.265939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.265939][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.265939][ T73] netlink_unicast+0x449/0x710 [ 2738.265939][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.265939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.265939][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.265939][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.265939][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.265939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.265939][ T73] [ 2738.267658][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2738.267658][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2738.267658][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2738.267658][ T73] ipv6_find_idev+0x102/0x170 [ 2738.267658][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.267658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.267658][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.267658][ T73] netlink_unicast+0x449/0x710 [ 2738.267658][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.267658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.267658][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.267658][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.267658][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.267658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.267658][ T73] [ 2738.269545][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2738.269851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.269851][ T73] dst_init+0x84/0x4a0 [ 2738.269851][ T73] dst_alloc+0x97/0x150 [ 2738.269851][ T73] ip6_dst_alloc+0x23/0x90 [ 2738.269851][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.269851][ T73] ip6_pol_route+0x56f/0x840 [ 2738.269851][ T73] fib6_rule_lookup+0x456/0x630 [ 2738.269851][ T73] ip6_route_input+0x59c/0xa50 [ 2738.269851][ T73] ipv6_rcv+0x397/0x810 [ 2738.269851][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2738.269851][ T73] process_backlog+0x101/0x620 [ 2738.269851][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2738.269851][ T73] net_rx_action+0x495/0xbe0 [ 2738.269851][ T73] __do_softirq+0x1b5/0x7f6 [ 2738.269851][ T73] [ 2738.271680][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.271680][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.271680][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.271680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.271680][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2738.271680][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2738.271680][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2738.271680][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2738.271680][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2738.271680][ T73] addrconf_dad_begin+0x310/0x670 [ 2738.271680][ T73] addrconf_dad_work+0x10b/0xab0 [ 2738.271680][ T73] process_one_work+0x84d/0x18a0 [ 2738.271680][ T73] worker_thread+0x587/0xd30 [ 2738.271680][ T73] kthread+0x28a/0x350 [ 2738.271680][ T73] ret_from_fork+0x31/0x70 [ 2738.271680][ T73] ret_from_fork_asm+0x1a/0x30 [ 2738.271680][ T73] [ 2738.273812][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.273812][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.273812][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.273812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.273812][ T73] ip6_route_add+0x1c/0x140 [ 2738.273812][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2738.273812][ T73] inet6_addr_add+0x4f8/0xa40 [ 2738.273812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.273812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.273812][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.273812][ T73] netlink_unicast+0x449/0x710 [ 2738.273812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.273812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.273812][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.273812][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.273812][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.273812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.273812][ T73] [ 2738.276040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.276040][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.276040][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.276040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.276040][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2738.276040][ T73] ipv6_add_addr+0x411/0x2000 [ 2738.276040][ T73] inet6_addr_add+0x30e/0xa40 [ 2738.276040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.276040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.276040][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.276040][ T73] netlink_unicast+0x449/0x710 [ 2738.276040][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.276040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.276040][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.276040][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.276040][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.276040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.276040][ T73] [ 2738.278260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.278260][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.278260][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.278260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.278260][ T73] ip6_route_add+0x1c/0x140 [ 2738.278260][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.278260][ T73] addrconf_add_dev+0xe2/0x170 [ 2738.278260][ T73] inet6_addr_add+0x12f/0xa40 [ 2738.278260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.278260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.278260][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.278260][ T73] netlink_unicast+0x449/0x710 [ 2738.278260][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.278260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.278260][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.278260][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.278260][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.278260][ T73] [ 2738.280465][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.280465][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2738.280465][ T73] ipv6_find_idev+0x102/0x170 [ 2738.280465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.280465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.280465][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.280465][ T73] netlink_unicast+0x449/0x710 [ 2738.280465][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.280465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.280465][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.280465][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.280465][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.280465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.280465][ T73] [ 2738.282171][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2738.282171][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2738.282171][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2738.282171][ T73] ipv6_find_idev+0x102/0x170 [ 2738.282171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.282171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.282171][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.282171][ T73] netlink_unicast+0x449/0x710 [ 2738.282171][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.282171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.282171][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.282171][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.282171][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.282171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.282171][ T73] [ 2738.284164][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2738.284463][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.284463][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2738.284463][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2738.284463][ T73] fib6_nh_init+0xa22/0x1580 [ 2738.284463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.284463][ T73] ip6_route_add+0x1c/0x140 [ 2738.284463][ T73] inet6_rtm_newroute+0x104/0x110 [ 2738.284463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.284463][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.284463][ T73] netlink_unicast+0x449/0x710 [ 2738.284463][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.284463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.284463][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.284463][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.284463][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.284463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.284463][ T73] [ 2738.286761][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.286761][ T73] dst_init+0x84/0x4a0 [ 2738.286761][ T73] dst_alloc+0x97/0x150 [ 2738.286761][ T73] ip6_dst_alloc+0x23/0x90 [ 2738.286761][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.286761][ T73] ip6_pol_route+0x56f/0x840 [ 2738.286761][ T73] fib6_rule_lookup+0x456/0x630 [ 2738.286761][ T73] ip6_route_input+0x59c/0xa50 [ 2738.286761][ T73] ipv6_rcv+0x397/0x810 [ 2738.286761][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2738.286761][ T73] process_backlog+0x101/0x620 [ 2738.286761][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2738.286761][ T73] net_rx_action+0x495/0xbe0 [ 2738.286761][ T73] __do_softirq+0x1b5/0x7f6 [ 2738.286761][ T73] [ 2738.288786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.288786][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.288786][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.288786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.288786][ T73] ip6_route_add+0x1c/0x140 [ 2738.288786][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2738.288786][ T73] inet6_addr_add+0x4f8/0xa40 [ 2738.288786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.288786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.288786][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.288786][ T73] netlink_unicast+0x449/0x710 [ 2738.288786][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.288786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.288786][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.288786][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.288786][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.288786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.288786][ T73] [ 2738.291251][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.291251][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.291251][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.291251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.291251][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2738.291251][ T73] ipv6_add_addr+0x411/0x2000 [ 2738.291251][ T73] inet6_addr_add+0x30e/0xa40 [ 2738.291251][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.291251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.291251][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.291251][ T73] netlink_unicast+0x449/0x710 [ 2738.291251][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.291251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.291251][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.291251][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.291251][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.291251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.291251][ T73] [ 2738.293784][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.293784][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.293784][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.293784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.293784][ T73] ip6_route_add+0x1c/0x140 [ 2738.293784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.293784][ T73] addrconf_add_dev+0xe2/0x170 [ 2738.293784][ T73] inet6_addr_add+0x12f/0xa40 [ 2738.293784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.293784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.293784][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.293784][ T73] netlink_unicast+0x449/0x710 [ 2738.293784][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.293784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.293784][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.293784][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.293784][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.293784][ T73] [ 2738.296216][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.296216][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2738.296216][ T73] ipv6_find_idev+0x102/0x170 [ 2738.296216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.296216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.296216][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.296216][ T73] netlink_unicast+0x449/0x710 [ 2738.296216][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.296216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.296216][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.296216][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.296216][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.296216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.296216][ T73] [ 2738.298124][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2738.298124][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2738.298124][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2738.298124][ T73] ipv6_find_idev+0x102/0x170 [ 2738.298124][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.298124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.298124][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.298124][ T73] netlink_unicast+0x449/0x710 [ 2738.298124][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.298124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.298124][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.298124][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.298124][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.298124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.298124][ T73] [ 2738.300195][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2738.300483][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2738.300483][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.300483][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.300483][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.300483][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2738.300483][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2738.300483][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2738.300483][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2738.300483][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2738.300483][ T73] addrconf_dad_begin+0x310/0x670 [ 2738.300483][ T73] addrconf_dad_work+0x10b/0xab0 [ 2738.300483][ T73] process_one_work+0x84d/0x18a0 [ 2738.300483][ T73] worker_thread+0x587/0xd30 [ 2738.300483][ T73] kthread+0x28a/0x350 [ 2738.300483][ T73] ret_from_fork+0x31/0x70 [ 2738.300483][ T73] ret_from_fork_asm+0x1a/0x30 [ 2738.300483][ T73] [ 2738.302919][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2738.302919][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.302919][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.302919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.302919][ T73] ip6_route_add+0x1c/0x140 [ 2738.302919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2738.302919][ T73] inet6_addr_add+0x4f8/0xa40 [ 2738.302919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.302919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.302919][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.302919][ T73] netlink_unicast+0x449/0x710 [ 2738.302919][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.302919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.302919][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.302919][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.302919][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.302919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.302919][ T73] [ 2738.305390][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2738.305390][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.305390][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.305390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.305390][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2738.305390][ T73] ipv6_add_addr+0x411/0x2000 [ 2738.305390][ T73] inet6_addr_add+0x30e/0xa40 [ 2738.305390][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.305390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.305390][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.305390][ T73] netlink_unicast+0x449/0x710 [ 2738.305390][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.305390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.305390][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.305390][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.305390][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.305390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.305390][ T73] [ 2738.307862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2738.307862][ T73] netdev_get_by_index+0x5e/0x80 [ 2738.307862][ T73] fib6_nh_init+0x3d8/0x1580 [ 2738.307862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2738.307862][ T73] ip6_route_add+0x1c/0x140 [ 2738.307862][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.307862][ T73] addrconf_add_dev+0xe2/0x170 [ 2738.307862][ T73] inet6_addr_add+0x12f/0xa40 [ 2738.307862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.307862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.307862][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.307862][ T73] netlink_unicast+0x449/0x710 [ 2738.307862][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.307862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.307862][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.307862][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.307862][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.307862][ T73] [ 2738.310222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2738.310222][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2738.310222][ T73] ipv6_find_idev+0x102/0x170 [ 2738.310222][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.310222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.310222][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.310222][ T73] netlink_unicast+0x449/0x710 [ 2738.310222][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.310222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.310222][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.310222][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.310222][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.310222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.310222][ T73] [ 2738.312111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2738.312111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2738.312111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2738.312111][ T73] ipv6_find_idev+0x102/0x170 [ 2738.312111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.312111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.312111][ T73] netlink_rcv_skb+0x130/0x360 [ 2738.312111][ T73] netlink_unicast+0x449/0x710 [ 2738.312111][ T73] netlink_sendmsg+0x723/0xbe0 [ 2738.312111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2738.312111][ T73] ___sys_sendmsg+0xee/0x170 [ 2738.312111][ T73] __sys_sendmsg+0xcd/0x170 [ 2738.312111][ T73] do_syscall_64+0xc6/0x1e0 [ 2738.312111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.312111][ T73] [ 2748.550886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2748.551290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.551290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2748.551290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2748.551290][ T73] fib6_nh_init+0xa22/0x1580 [ 2748.551290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.551290][ T73] ip6_route_add+0x1c/0x140 [ 2748.551290][ T73] inet6_rtm_newroute+0x104/0x110 [ 2748.551290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.551290][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.551290][ T73] netlink_unicast+0x449/0x710 [ 2748.551290][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.551290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.551290][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.551290][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.551290][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.551290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.551290][ T73] [ 2748.553355][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.553355][ T73] dst_init+0x84/0x4a0 [ 2748.553355][ T73] dst_alloc+0x97/0x150 [ 2748.553355][ T73] ip6_dst_alloc+0x23/0x90 [ 2748.553355][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.553355][ T73] ip6_pol_route+0x56f/0x840 [ 2748.553355][ T73] fib6_rule_lookup+0x456/0x630 [ 2748.553355][ T73] ip6_route_input+0x59c/0xa50 [ 2748.553355][ T73] ipv6_rcv+0x397/0x810 [ 2748.553355][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2748.553355][ T73] process_backlog+0x101/0x620 [ 2748.553355][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2748.553355][ T73] net_rx_action+0x495/0xbe0 [ 2748.553355][ T73] __do_softirq+0x1b5/0x7f6 [ 2748.553355][ T73] [ 2748.554990][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.554990][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.554990][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.554990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.554990][ T73] ip6_route_add+0x1c/0x140 [ 2748.554990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2748.554990][ T73] inet6_addr_add+0x4f8/0xa40 [ 2748.554990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.554990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.554990][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.554990][ T73] netlink_unicast+0x449/0x710 [ 2748.554990][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.554990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.554990][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.554990][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.554990][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.554990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.554990][ T73] [ 2748.556981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.556981][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.556981][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.556981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.556981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2748.556981][ T73] ipv6_add_addr+0x411/0x2000 [ 2748.556981][ T73] inet6_addr_add+0x30e/0xa40 [ 2748.556981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.556981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.556981][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.556981][ T73] netlink_unicast+0x449/0x710 [ 2748.556981][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.556981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.556981][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.556981][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.556981][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.556981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.556981][ T73] [ 2748.558976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.558976][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.558976][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.558976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.558976][ T73] ip6_route_add+0x1c/0x140 [ 2748.558976][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.558976][ T73] addrconf_add_dev+0xe2/0x170 [ 2748.558976][ T73] inet6_addr_add+0x12f/0xa40 [ 2748.558976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.558976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.558976][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.558976][ T73] netlink_unicast+0x449/0x710 [ 2748.558976][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.558976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.558976][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.558976][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.558976][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.558976][ T73] [ 2748.560930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.560930][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2748.560930][ T73] ipv6_find_idev+0x102/0x170 [ 2748.560930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.560930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.560930][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.560930][ T73] netlink_unicast+0x449/0x710 [ 2748.560930][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.560930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.560930][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.560930][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.560930][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.560930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.560930][ T73] [ 2748.562460][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2748.562460][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2748.562460][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2748.562460][ T73] ipv6_find_idev+0x102/0x170 [ 2748.562460][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.562460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.562460][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.562460][ T73] netlink_unicast+0x449/0x710 [ 2748.562460][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.562460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.562460][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.562460][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.562460][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.562460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.562460][ T73] [ 2748.564151][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2748.564417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.564417][ T73] dst_init+0x84/0x4a0 [ 2748.564417][ T73] dst_alloc+0x97/0x150 [ 2748.564417][ T73] ip6_dst_alloc+0x23/0x90 [ 2748.564417][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.564417][ T73] ip6_pol_route+0x56f/0x840 [ 2748.564417][ T73] fib6_rule_lookup+0x456/0x630 [ 2748.564417][ T73] ip6_route_input+0x59c/0xa50 [ 2748.564417][ T73] ipv6_rcv+0x397/0x810 [ 2748.564417][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2748.564417][ T73] process_backlog+0x101/0x620 [ 2748.564417][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2748.564417][ T73] net_rx_action+0x495/0xbe0 [ 2748.564417][ T73] __do_softirq+0x1b5/0x7f6 [ 2748.564417][ T73] [ 2748.566050][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.566050][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.566050][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.566050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.566050][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2748.566050][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2748.566050][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2748.566050][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2748.566050][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2748.566050][ T73] addrconf_dad_begin+0x310/0x670 [ 2748.566050][ T73] addrconf_dad_work+0x10b/0xab0 [ 2748.566050][ T73] process_one_work+0x84d/0x18a0 [ 2748.566050][ T73] worker_thread+0x587/0xd30 [ 2748.566050][ T73] kthread+0x28a/0x350 [ 2748.566050][ T73] ret_from_fork+0x31/0x70 [ 2748.566050][ T73] ret_from_fork_asm+0x1a/0x30 [ 2748.566050][ T73] [ 2748.567948][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.567948][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.567948][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.567948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.567948][ T73] ip6_route_add+0x1c/0x140 [ 2748.567948][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2748.567948][ T73] inet6_addr_add+0x4f8/0xa40 [ 2748.567948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.567948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.567948][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.567948][ T73] netlink_unicast+0x449/0x710 [ 2748.567948][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.567948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.567948][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.567948][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.567948][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.567948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.567948][ T73] [ 2748.569934][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.569934][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.569934][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.569934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.569934][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2748.569934][ T73] ipv6_add_addr+0x411/0x2000 [ 2748.569934][ T73] inet6_addr_add+0x30e/0xa40 [ 2748.569934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.569934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.569934][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.569934][ T73] netlink_unicast+0x449/0x710 [ 2748.569934][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.569934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.569934][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.569934][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.569934][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.569934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.569934][ T73] [ 2748.571913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.571913][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.571913][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.571913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.571913][ T73] ip6_route_add+0x1c/0x140 [ 2748.571913][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.571913][ T73] addrconf_add_dev+0xe2/0x170 [ 2748.571913][ T73] inet6_addr_add+0x12f/0xa40 [ 2748.571913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.571913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.571913][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.571913][ T73] netlink_unicast+0x449/0x710 [ 2748.571913][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.571913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.571913][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.571913][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.571913][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.571913][ T73] [ 2748.573857][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.573857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2748.573857][ T73] ipv6_find_idev+0x102/0x170 [ 2748.573857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.573857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.573857][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.573857][ T73] netlink_unicast+0x449/0x710 [ 2748.573857][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.573857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.573857][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.573857][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.573857][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.573857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.573857][ T73] [ 2748.575383][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2748.575383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2748.575383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2748.575383][ T73] ipv6_find_idev+0x102/0x170 [ 2748.575383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.575383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.575383][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.575383][ T73] netlink_unicast+0x449/0x710 [ 2748.575383][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.575383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.575383][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.575383][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.575383][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.575383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.575383][ T73] [ 2748.577113][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2748.577386][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.577386][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2748.577386][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2748.577386][ T73] fib6_nh_init+0xa22/0x1580 [ 2748.577386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.577386][ T73] ip6_route_add+0x1c/0x140 [ 2748.577386][ T73] inet6_rtm_newroute+0x104/0x110 [ 2748.577386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.577386][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.577386][ T73] netlink_unicast+0x449/0x710 [ 2748.577386][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.577386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.577386][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.577386][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.577386][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.577386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.577386][ T73] [ 2748.580090][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.580090][ T73] dst_init+0x84/0x4a0 [ 2748.580090][ T73] dst_alloc+0x97/0x150 [ 2748.580090][ T73] ip6_dst_alloc+0x23/0x90 [ 2748.580090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.580090][ T73] ip6_pol_route+0x56f/0x840 [ 2748.580090][ T73] fib6_rule_lookup+0x456/0x630 [ 2748.580090][ T73] ip6_route_input+0x59c/0xa50 [ 2748.580090][ T73] ipv6_rcv+0x397/0x810 [ 2748.580090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2748.580090][ T73] process_backlog+0x101/0x620 [ 2748.580090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2748.580090][ T73] net_rx_action+0x495/0xbe0 [ 2748.580090][ T73] __do_softirq+0x1b5/0x7f6 [ 2748.580090][ T73] [ 2748.581888][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.581888][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.581888][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.581888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.581888][ T73] ip6_route_add+0x1c/0x140 [ 2748.581888][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2748.581888][ T73] inet6_addr_add+0x4f8/0xa40 [ 2748.581888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.581888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.581888][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.581888][ T73] netlink_unicast+0x449/0x710 [ 2748.581888][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.581888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.581888][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.581888][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.581888][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.581888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.581888][ T73] [ 2748.584115][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.584115][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.584115][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.584115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.584115][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2748.584115][ T73] ipv6_add_addr+0x411/0x2000 [ 2748.584115][ T73] inet6_addr_add+0x30e/0xa40 [ 2748.584115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.584115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.584115][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.584115][ T73] netlink_unicast+0x449/0x710 [ 2748.584115][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.584115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.584115][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.584115][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.584115][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.584115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.584115][ T73] [ 2748.586342][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.586342][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.586342][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.586342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.586342][ T73] ip6_route_add+0x1c/0x140 [ 2748.586342][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.586342][ T73] addrconf_add_dev+0xe2/0x170 [ 2748.586342][ T73] inet6_addr_add+0x12f/0xa40 [ 2748.586342][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.586342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.586342][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.586342][ T73] netlink_unicast+0x449/0x710 [ 2748.586342][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.586342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.586342][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.586342][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.586342][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.586342][ T73] [ 2748.588594][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.588594][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2748.588594][ T73] ipv6_find_idev+0x102/0x170 [ 2748.588594][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.588594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.588594][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.588594][ T73] netlink_unicast+0x449/0x710 [ 2748.588594][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.588594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.588594][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.588594][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.588594][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.588594][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.588594][ T73] [ 2748.590689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2748.590689][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2748.590689][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2748.590689][ T73] ipv6_find_idev+0x102/0x170 [ 2748.590689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.590689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.590689][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.590689][ T73] netlink_unicast+0x449/0x710 [ 2748.590689][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.590689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.590689][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.590689][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.590689][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.590689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.590689][ T73] [ 2748.592542][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2748.592811][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2748.592811][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.592811][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.592811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.592811][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2748.592811][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2748.592811][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2748.592811][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2748.592811][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2748.592811][ T73] addrconf_dad_begin+0x310/0x670 [ 2748.592811][ T73] addrconf_dad_work+0x10b/0xab0 [ 2748.592811][ T73] process_one_work+0x84d/0x18a0 [ 2748.592811][ T73] worker_thread+0x587/0xd30 [ 2748.592811][ T73] kthread+0x28a/0x350 [ 2748.592811][ T73] ret_from_fork+0x31/0x70 [ 2748.592811][ T73] ret_from_fork_asm+0x1a/0x30 [ 2748.592811][ T73] [ 2748.594946][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2748.594946][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.594946][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.594946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.594946][ T73] ip6_route_add+0x1c/0x140 [ 2748.594946][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2748.594946][ T73] inet6_addr_add+0x4f8/0xa40 [ 2748.594946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.594946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.594946][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.594946][ T73] netlink_unicast+0x449/0x710 [ 2748.594946][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.594946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.594946][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.594946][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.594946][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.594946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.594946][ T73] [ 2748.597164][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2748.597164][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.597164][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.597164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.597164][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2748.597164][ T73] ipv6_add_addr+0x411/0x2000 [ 2748.597164][ T73] inet6_addr_add+0x30e/0xa40 [ 2748.597164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.597164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.597164][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.597164][ T73] netlink_unicast+0x449/0x710 [ 2748.597164][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.597164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.597164][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.597164][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.597164][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.597164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.597164][ T73] [ 2748.599456][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2748.599456][ T73] netdev_get_by_index+0x5e/0x80 [ 2748.599456][ T73] fib6_nh_init+0x3d8/0x1580 [ 2748.599456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2748.599456][ T73] ip6_route_add+0x1c/0x140 [ 2748.599456][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.599456][ T73] addrconf_add_dev+0xe2/0x170 [ 2748.599456][ T73] inet6_addr_add+0x12f/0xa40 [ 2748.599456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.599456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.599456][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.599456][ T73] netlink_unicast+0x449/0x710 [ 2748.599456][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.599456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.599456][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.599456][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.599456][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.599456][ T73] [ 2748.601585][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2748.601585][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2748.601585][ T73] ipv6_find_idev+0x102/0x170 [ 2748.601585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.601585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.601585][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.601585][ T73] netlink_unicast+0x449/0x710 [ 2748.601585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.601585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.601585][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.601585][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.601585][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.601585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.601585][ T73] [ 2748.603289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2748.603289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2748.603289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2748.603289][ T73] ipv6_find_idev+0x102/0x170 [ 2748.603289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.603289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.603289][ T73] netlink_rcv_skb+0x130/0x360 [ 2748.603289][ T73] netlink_unicast+0x449/0x710 [ 2748.603289][ T73] netlink_sendmsg+0x723/0xbe0 [ 2748.603289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2748.603289][ T73] ___sys_sendmsg+0xee/0x170 [ 2748.603289][ T73] __sys_sendmsg+0xcd/0x170 [ 2748.603289][ T73] do_syscall_64+0xc6/0x1e0 [ 2748.603289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.603289][ T73] [ 2758.846910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2758.847295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.847295][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2758.847295][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2758.847295][ T73] fib6_nh_init+0xa22/0x1580 [ 2758.847295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.847295][ T73] ip6_route_add+0x1c/0x140 [ 2758.847295][ T73] inet6_rtm_newroute+0x104/0x110 [ 2758.847295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.847295][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.847295][ T73] netlink_unicast+0x449/0x710 [ 2758.847295][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.847295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.847295][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.847295][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.847295][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.847295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.847295][ T73] [ 2758.849181][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.849181][ T73] dst_init+0x84/0x4a0 [ 2758.849181][ T73] dst_alloc+0x97/0x150 [ 2758.849181][ T73] ip6_dst_alloc+0x23/0x90 [ 2758.849181][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.849181][ T73] ip6_pol_route+0x56f/0x840 [ 2758.849181][ T73] fib6_rule_lookup+0x456/0x630 [ 2758.849181][ T73] ip6_route_input+0x59c/0xa50 [ 2758.849181][ T73] ipv6_rcv+0x397/0x810 [ 2758.849181][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2758.849181][ T73] process_backlog+0x101/0x620 [ 2758.849181][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2758.849181][ T73] net_rx_action+0x495/0xbe0 [ 2758.849181][ T73] __do_softirq+0x1b5/0x7f6 [ 2758.849181][ T73] [ 2758.850807][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.850807][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.850807][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.850807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.850807][ T73] ip6_route_add+0x1c/0x140 [ 2758.850807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2758.850807][ T73] inet6_addr_add+0x4f8/0xa40 [ 2758.850807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.850807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.850807][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.850807][ T73] netlink_unicast+0x449/0x710 [ 2758.850807][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.850807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.850807][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.850807][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.850807][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.850807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.850807][ T73] [ 2758.852787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.852787][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.852787][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.852787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.852787][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2758.852787][ T73] ipv6_add_addr+0x411/0x2000 [ 2758.852787][ T73] inet6_addr_add+0x30e/0xa40 [ 2758.852787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.852787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.852787][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.852787][ T73] netlink_unicast+0x449/0x710 [ 2758.852787][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.852787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.852787][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.852787][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.852787][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.852787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.852787][ T73] [ 2758.854774][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.854774][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.854774][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.854774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.854774][ T73] ip6_route_add+0x1c/0x140 [ 2758.854774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.854774][ T73] addrconf_add_dev+0xe2/0x170 [ 2758.854774][ T73] inet6_addr_add+0x12f/0xa40 [ 2758.854774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.854774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.854774][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.854774][ T73] netlink_unicast+0x449/0x710 [ 2758.854774][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.854774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.854774][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.854774][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.854774][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.854774][ T73] [ 2758.857105][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.857105][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2758.857105][ T73] ipv6_find_idev+0x102/0x170 [ 2758.857105][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.857105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.857105][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.857105][ T73] netlink_unicast+0x449/0x710 [ 2758.857105][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.857105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.857105][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.857105][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.857105][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.857105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.857105][ T73] [ 2758.858642][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2758.858642][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2758.858642][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2758.858642][ T73] ipv6_find_idev+0x102/0x170 [ 2758.858642][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.858642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.858642][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.858642][ T73] netlink_unicast+0x449/0x710 [ 2758.858642][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.858642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.858642][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.858642][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.858642][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.858642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.858642][ T73] [ 2758.860334][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2758.860602][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.860602][ T73] dst_init+0x84/0x4a0 [ 2758.860602][ T73] dst_alloc+0x97/0x150 [ 2758.860602][ T73] ip6_dst_alloc+0x23/0x90 [ 2758.860602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.860602][ T73] ip6_pol_route+0x56f/0x840 [ 2758.860602][ T73] fib6_rule_lookup+0x456/0x630 [ 2758.860602][ T73] ip6_route_input+0x59c/0xa50 [ 2758.860602][ T73] ipv6_rcv+0x397/0x810 [ 2758.860602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2758.860602][ T73] process_backlog+0x101/0x620 [ 2758.860602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2758.860602][ T73] net_rx_action+0x495/0xbe0 [ 2758.860602][ T73] __do_softirq+0x1b5/0x7f6 [ 2758.860602][ T73] [ 2758.862226][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.862226][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.862226][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.862226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.862226][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2758.862226][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.862226][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2758.862226][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.862226][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2758.862226][ T73] addrconf_dad_begin+0x310/0x670 [ 2758.862226][ T73] addrconf_dad_work+0x10b/0xab0 [ 2758.862226][ T73] process_one_work+0x84d/0x18a0 [ 2758.862226][ T73] worker_thread+0x587/0xd30 [ 2758.862226][ T73] kthread+0x28a/0x350 [ 2758.862226][ T73] ret_from_fork+0x31/0x70 [ 2758.862226][ T73] ret_from_fork_asm+0x1a/0x30 [ 2758.862226][ T73] [ 2758.864112][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.864112][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.864112][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.864112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.864112][ T73] ip6_route_add+0x1c/0x140 [ 2758.864112][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2758.864112][ T73] inet6_addr_add+0x4f8/0xa40 [ 2758.864112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.864112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.864112][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.864112][ T73] netlink_unicast+0x449/0x710 [ 2758.864112][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.864112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.864112][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.864112][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.864112][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.864112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.864112][ T73] [ 2758.866091][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.866091][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.866091][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.866091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.866091][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2758.866091][ T73] ipv6_add_addr+0x411/0x2000 [ 2758.866091][ T73] inet6_addr_add+0x30e/0xa40 [ 2758.866091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.866091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.866091][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.866091][ T73] netlink_unicast+0x449/0x710 [ 2758.866091][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.866091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.866091][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.866091][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.866091][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.866091][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.866091][ T73] [ 2758.868075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.868075][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.868075][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.868075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.868075][ T73] ip6_route_add+0x1c/0x140 [ 2758.868075][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.868075][ T73] addrconf_add_dev+0xe2/0x170 [ 2758.868075][ T73] inet6_addr_add+0x12f/0xa40 [ 2758.868075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.868075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.868075][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.868075][ T73] netlink_unicast+0x449/0x710 [ 2758.868075][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.868075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.868075][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.868075][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.868075][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.868075][ T73] [ 2758.870016][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.870016][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2758.870016][ T73] ipv6_find_idev+0x102/0x170 [ 2758.870016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.870016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.870016][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.870016][ T73] netlink_unicast+0x449/0x710 [ 2758.870016][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.870016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.870016][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.870016][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.870016][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.870016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.870016][ T73] [ 2758.871539][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2758.871539][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2758.871539][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2758.871539][ T73] ipv6_find_idev+0x102/0x170 [ 2758.871539][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.871539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.871539][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.871539][ T73] netlink_unicast+0x449/0x710 [ 2758.871539][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.871539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.871539][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.871539][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.871539][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.871539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.871539][ T73] [ 2758.873316][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2758.873615][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.873615][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2758.873615][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2758.873615][ T73] fib6_nh_init+0xa22/0x1580 [ 2758.873615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.873615][ T73] ip6_route_add+0x1c/0x140 [ 2758.873615][ T73] inet6_rtm_newroute+0x104/0x110 [ 2758.873615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.873615][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.873615][ T73] netlink_unicast+0x449/0x710 [ 2758.873615][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.873615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.873615][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.873615][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.873615][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.873615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.873615][ T73] [ 2758.875708][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.875708][ T73] dst_init+0x84/0x4a0 [ 2758.875708][ T73] dst_alloc+0x97/0x150 [ 2758.875708][ T73] ip6_dst_alloc+0x23/0x90 [ 2758.875708][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.875708][ T73] ip6_pol_route+0x56f/0x840 [ 2758.875708][ T73] fib6_rule_lookup+0x456/0x630 [ 2758.875708][ T73] ip6_route_input+0x59c/0xa50 [ 2758.875708][ T73] ipv6_rcv+0x397/0x810 [ 2758.875708][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2758.875708][ T73] process_backlog+0x101/0x620 [ 2758.875708][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2758.875708][ T73] net_rx_action+0x495/0xbe0 [ 2758.875708][ T73] __do_softirq+0x1b5/0x7f6 [ 2758.875708][ T73] [ 2758.877505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.877505][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.877505][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.877505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.877505][ T73] ip6_route_add+0x1c/0x140 [ 2758.877505][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2758.877505][ T73] inet6_addr_add+0x4f8/0xa40 [ 2758.877505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.877505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.877505][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.877505][ T73] netlink_unicast+0x449/0x710 [ 2758.877505][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.877505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.877505][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.877505][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.877505][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.877505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.877505][ T73] [ 2758.879788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.879788][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.879788][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.879788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.879788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2758.879788][ T73] ipv6_add_addr+0x411/0x2000 [ 2758.879788][ T73] inet6_addr_add+0x30e/0xa40 [ 2758.879788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.879788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.879788][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.879788][ T73] netlink_unicast+0x449/0x710 [ 2758.879788][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.879788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.879788][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.879788][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.879788][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.879788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.879788][ T73] [ 2758.881889][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.881889][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.881889][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.881889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.881889][ T73] ip6_route_add+0x1c/0x140 [ 2758.881889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.881889][ T73] addrconf_add_dev+0xe2/0x170 [ 2758.881889][ T73] inet6_addr_add+0x12f/0xa40 [ 2758.881889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.881889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.881889][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.881889][ T73] netlink_unicast+0x449/0x710 [ 2758.881889][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.881889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.881889][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.881889][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.881889][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.881889][ T73] [ 2758.884067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.884067][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2758.884067][ T73] ipv6_find_idev+0x102/0x170 [ 2758.884067][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.884067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.884067][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.884067][ T73] netlink_unicast+0x449/0x710 [ 2758.884067][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.884067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.884067][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.884067][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.884067][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.884067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.884067][ T73] [ 2758.885770][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2758.885770][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2758.885770][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2758.885770][ T73] ipv6_find_idev+0x102/0x170 [ 2758.885770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.885770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.885770][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.885770][ T73] netlink_unicast+0x449/0x710 [ 2758.885770][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.885770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.885770][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.885770][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.885770][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.885770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.885770][ T73] [ 2758.887681][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2758.887962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2758.887962][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.887962][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.887962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.887962][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2758.887962][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.887962][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2758.887962][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.887962][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2758.887962][ T73] addrconf_dad_begin+0x310/0x670 [ 2758.887962][ T73] addrconf_dad_work+0x10b/0xab0 [ 2758.887962][ T73] process_one_work+0x84d/0x18a0 [ 2758.887962][ T73] worker_thread+0x587/0xd30 [ 2758.887962][ T73] kthread+0x28a/0x350 [ 2758.887962][ T73] ret_from_fork+0x31/0x70 [ 2758.887962][ T73] ret_from_fork_asm+0x1a/0x30 [ 2758.887962][ T73] [ 2758.890171][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2758.890171][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.890171][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.890171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.890171][ T73] ip6_route_add+0x1c/0x140 [ 2758.890171][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2758.890171][ T73] inet6_addr_add+0x4f8/0xa40 [ 2758.890171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.890171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.890171][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.890171][ T73] netlink_unicast+0x449/0x710 [ 2758.890171][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.890171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.890171][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.890171][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.890171][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.890171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.890171][ T73] [ 2758.892331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2758.892331][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.892331][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.892331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.892331][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2758.892331][ T73] ipv6_add_addr+0x411/0x2000 [ 2758.892331][ T73] inet6_addr_add+0x30e/0xa40 [ 2758.892331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.892331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.892331][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.892331][ T73] netlink_unicast+0x449/0x710 [ 2758.892331][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.892331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.892331][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.892331][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.892331][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.892331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.892331][ T73] [ 2758.894551][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2758.894551][ T73] netdev_get_by_index+0x5e/0x80 [ 2758.894551][ T73] fib6_nh_init+0x3d8/0x1580 [ 2758.894551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2758.894551][ T73] ip6_route_add+0x1c/0x140 [ 2758.894551][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.894551][ T73] addrconf_add_dev+0xe2/0x170 [ 2758.894551][ T73] inet6_addr_add+0x12f/0xa40 [ 2758.894551][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.894551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.894551][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.894551][ T73] netlink_unicast+0x449/0x710 [ 2758.894551][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.894551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.894551][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.894551][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.894551][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.894551][ T73] [ 2758.896738][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2758.896738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2758.896738][ T73] ipv6_find_idev+0x102/0x170 [ 2758.896738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.896738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.896738][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.896738][ T73] netlink_unicast+0x449/0x710 [ 2758.896738][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.896738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.896738][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.896738][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.896738][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.896738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.896738][ T73] [ 2758.898507][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2758.898507][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2758.898507][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2758.898507][ T73] ipv6_find_idev+0x102/0x170 [ 2758.898507][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.898507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.898507][ T73] netlink_rcv_skb+0x130/0x360 [ 2758.898507][ T73] netlink_unicast+0x449/0x710 [ 2758.898507][ T73] netlink_sendmsg+0x723/0xbe0 [ 2758.898507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2758.898507][ T73] ___sys_sendmsg+0xee/0x170 [ 2758.898507][ T73] __sys_sendmsg+0xcd/0x170 [ 2758.898507][ T73] do_syscall_64+0xc6/0x1e0 [ 2758.898507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.898507][ T73] [ 2769.142838][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2769.143281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.143281][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2769.143281][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2769.143281][ T73] fib6_nh_init+0xa22/0x1580 [ 2769.143281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.143281][ T73] ip6_route_add+0x1c/0x140 [ 2769.143281][ T73] inet6_rtm_newroute+0x104/0x110 [ 2769.143281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.143281][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.143281][ T73] netlink_unicast+0x449/0x710 [ 2769.143281][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.143281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.143281][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.143281][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.143281][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.143281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.143281][ T73] [ 2769.145160][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.145160][ T73] dst_init+0x84/0x4a0 [ 2769.145160][ T73] dst_alloc+0x97/0x150 [ 2769.145160][ T73] ip6_dst_alloc+0x23/0x90 [ 2769.145160][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.145160][ T73] ip6_pol_route+0x56f/0x840 [ 2769.145160][ T73] fib6_rule_lookup+0x456/0x630 [ 2769.145160][ T73] ip6_route_input+0x59c/0xa50 [ 2769.145160][ T73] ipv6_rcv+0x397/0x810 [ 2769.145160][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2769.145160][ T73] process_backlog+0x101/0x620 [ 2769.145160][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2769.145160][ T73] net_rx_action+0x495/0xbe0 [ 2769.145160][ T73] __do_softirq+0x1b5/0x7f6 [ 2769.145160][ T73] [ 2769.146783][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.146783][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.146783][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.146783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.146783][ T73] ip6_route_add+0x1c/0x140 [ 2769.146783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2769.146783][ T73] inet6_addr_add+0x4f8/0xa40 [ 2769.146783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.146783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.146783][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.146783][ T73] netlink_unicast+0x449/0x710 [ 2769.146783][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.146783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.146783][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.146783][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.146783][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.146783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.146783][ T73] [ 2769.148782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.148782][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.148782][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.148782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.148782][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2769.148782][ T73] ipv6_add_addr+0x411/0x2000 [ 2769.148782][ T73] inet6_addr_add+0x30e/0xa40 [ 2769.148782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.148782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.148782][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.148782][ T73] netlink_unicast+0x449/0x710 [ 2769.148782][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.148782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.148782][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.148782][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.148782][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.148782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.148782][ T73] [ 2769.150768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.150768][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.150768][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.150768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.150768][ T73] ip6_route_add+0x1c/0x140 [ 2769.150768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.150768][ T73] addrconf_add_dev+0xe2/0x170 [ 2769.150768][ T73] inet6_addr_add+0x12f/0xa40 [ 2769.150768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.150768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.150768][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.150768][ T73] netlink_unicast+0x449/0x710 [ 2769.150768][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.150768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.150768][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.150768][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.150768][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.150768][ T73] [ 2769.152713][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.152713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2769.152713][ T73] ipv6_find_idev+0x102/0x170 [ 2769.152713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.152713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.152713][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.152713][ T73] netlink_unicast+0x449/0x710 [ 2769.152713][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.152713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.152713][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.152713][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.152713][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.152713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.152713][ T73] [ 2769.154231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2769.154231][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2769.154231][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2769.154231][ T73] ipv6_find_idev+0x102/0x170 [ 2769.154231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.154231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.154231][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.154231][ T73] netlink_unicast+0x449/0x710 [ 2769.154231][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.154231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.154231][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.154231][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.154231][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.154231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.154231][ T73] [ 2769.155898][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2769.156162][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.156162][ T73] dst_init+0x84/0x4a0 [ 2769.156162][ T73] dst_alloc+0x97/0x150 [ 2769.156162][ T73] ip6_dst_alloc+0x23/0x90 [ 2769.156162][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.156162][ T73] ip6_pol_route+0x56f/0x840 [ 2769.156162][ T73] fib6_rule_lookup+0x456/0x630 [ 2769.156162][ T73] ip6_route_input+0x59c/0xa50 [ 2769.156162][ T73] ipv6_rcv+0x397/0x810 [ 2769.156162][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2769.156162][ T73] process_backlog+0x101/0x620 [ 2769.156162][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2769.156162][ T73] net_rx_action+0x495/0xbe0 [ 2769.156162][ T73] __do_softirq+0x1b5/0x7f6 [ 2769.156162][ T73] [ 2769.157805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.157805][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.157805][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.157805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.157805][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2769.157805][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2769.157805][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2769.157805][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2769.157805][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2769.157805][ T73] addrconf_dad_begin+0x310/0x670 [ 2769.157805][ T73] addrconf_dad_work+0x10b/0xab0 [ 2769.157805][ T73] process_one_work+0x84d/0x18a0 [ 2769.157805][ T73] worker_thread+0x587/0xd30 [ 2769.157805][ T73] kthread+0x28a/0x350 [ 2769.157805][ T73] ret_from_fork+0x31/0x70 [ 2769.157805][ T73] ret_from_fork_asm+0x1a/0x30 [ 2769.157805][ T73] [ 2769.159696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.159696][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.159696][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.159696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.159696][ T73] ip6_route_add+0x1c/0x140 [ 2769.159696][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2769.159696][ T73] inet6_addr_add+0x4f8/0xa40 [ 2769.159696][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.159696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.159696][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.159696][ T73] netlink_unicast+0x449/0x710 [ 2769.159696][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.159696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.159696][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.159696][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.159696][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.159696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.159696][ T73] [ 2769.161673][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.161673][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.161673][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.161673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.161673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2769.161673][ T73] ipv6_add_addr+0x411/0x2000 [ 2769.161673][ T73] inet6_addr_add+0x30e/0xa40 [ 2769.161673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.161673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.161673][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.161673][ T73] netlink_unicast+0x449/0x710 [ 2769.161673][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.161673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.161673][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.161673][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.161673][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.161673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.161673][ T73] [ 2769.163649][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.163649][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.163649][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.163649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.163649][ T73] ip6_route_add+0x1c/0x140 [ 2769.163649][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.163649][ T73] addrconf_add_dev+0xe2/0x170 [ 2769.163649][ T73] inet6_addr_add+0x12f/0xa40 [ 2769.163649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.163649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.163649][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.163649][ T73] netlink_unicast+0x449/0x710 [ 2769.163649][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.163649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.163649][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.163649][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.163649][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.163649][ T73] [ 2769.165582][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.165582][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2769.165582][ T73] ipv6_find_idev+0x102/0x170 [ 2769.165582][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.165582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.165582][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.165582][ T73] netlink_unicast+0x449/0x710 [ 2769.165582][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.165582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.165582][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.165582][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.165582][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.165582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.165582][ T73] [ 2769.167101][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2769.167101][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2769.167101][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2769.167101][ T73] ipv6_find_idev+0x102/0x170 [ 2769.167101][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.167101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.167101][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.167101][ T73] netlink_unicast+0x449/0x710 [ 2769.167101][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.167101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.167101][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.167101][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.167101][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.167101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.167101][ T73] [ 2769.168904][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2769.169166][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.169166][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2769.169166][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2769.169166][ T73] fib6_nh_init+0xa22/0x1580 [ 2769.169166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.169166][ T73] ip6_route_add+0x1c/0x140 [ 2769.169166][ T73] inet6_rtm_newroute+0x104/0x110 [ 2769.169166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.169166][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.169166][ T73] netlink_unicast+0x449/0x710 [ 2769.169166][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.169166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.169166][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.169166][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.169166][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.169166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.169166][ T73] [ 2769.171327][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.171327][ T73] dst_init+0x84/0x4a0 [ 2769.171327][ T73] dst_alloc+0x97/0x150 [ 2769.171327][ T73] ip6_dst_alloc+0x23/0x90 [ 2769.171327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.171327][ T73] ip6_pol_route+0x56f/0x840 [ 2769.171327][ T73] fib6_rule_lookup+0x456/0x630 [ 2769.171327][ T73] ip6_route_input+0x59c/0xa50 [ 2769.171327][ T73] ipv6_rcv+0x397/0x810 [ 2769.171327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2769.171327][ T73] process_backlog+0x101/0x620 [ 2769.171327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2769.171327][ T73] net_rx_action+0x495/0xbe0 [ 2769.171327][ T73] __do_softirq+0x1b5/0x7f6 [ 2769.171327][ T73] [ 2769.173134][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.173134][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.173134][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.173134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.173134][ T73] ip6_route_add+0x1c/0x140 [ 2769.173134][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2769.173134][ T73] inet6_addr_add+0x4f8/0xa40 [ 2769.173134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.173134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.173134][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.173134][ T73] netlink_unicast+0x449/0x710 [ 2769.173134][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.173134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.173134][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.173134][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.173134][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.173134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.173134][ T73] [ 2769.175351][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.175351][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.175351][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.175351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.175351][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2769.175351][ T73] ipv6_add_addr+0x411/0x2000 [ 2769.175351][ T73] inet6_addr_add+0x30e/0xa40 [ 2769.175351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.175351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.175351][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.175351][ T73] netlink_unicast+0x449/0x710 [ 2769.175351][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.175351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.175351][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.175351][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.175351][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.175351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.175351][ T73] [ 2769.177506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.177506][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.177506][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.177506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.177506][ T73] ip6_route_add+0x1c/0x140 [ 2769.177506][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.177506][ T73] addrconf_add_dev+0xe2/0x170 [ 2769.177506][ T73] inet6_addr_add+0x12f/0xa40 [ 2769.177506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.177506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.177506][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.177506][ T73] netlink_unicast+0x449/0x710 [ 2769.177506][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.177506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.177506][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.177506][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.177506][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.177506][ T73] [ 2769.179753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.179753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2769.179753][ T73] ipv6_find_idev+0x102/0x170 [ 2769.179753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.179753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.179753][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.179753][ T73] netlink_unicast+0x449/0x710 [ 2769.179753][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.179753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.179753][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.179753][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.179753][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.179753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.179753][ T73] [ 2769.181461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2769.181461][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2769.181461][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2769.181461][ T73] ipv6_find_idev+0x102/0x170 [ 2769.181461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.181461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.181461][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.181461][ T73] netlink_unicast+0x449/0x710 [ 2769.181461][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.181461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.181461][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.181461][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.181461][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.181461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.181461][ T73] [ 2769.183370][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2769.183636][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2769.183636][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.183636][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.183636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.183636][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2769.183636][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2769.183636][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2769.183636][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2769.183636][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2769.183636][ T73] addrconf_dad_begin+0x310/0x670 [ 2769.183636][ T73] addrconf_dad_work+0x10b/0xab0 [ 2769.183636][ T73] process_one_work+0x84d/0x18a0 [ 2769.183636][ T73] worker_thread+0x587/0xd30 [ 2769.183636][ T73] kthread+0x28a/0x350 [ 2769.183636][ T73] ret_from_fork+0x31/0x70 [ 2769.183636][ T73] ret_from_fork_asm+0x1a/0x30 [ 2769.183636][ T73] [ 2769.185767][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2769.185767][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.185767][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.185767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.185767][ T73] ip6_route_add+0x1c/0x140 [ 2769.185767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2769.185767][ T73] inet6_addr_add+0x4f8/0xa40 [ 2769.185767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.185767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.185767][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.185767][ T73] netlink_unicast+0x449/0x710 [ 2769.185767][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.185767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.185767][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.185767][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.185767][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.185767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.185767][ T73] [ 2769.187940][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2769.187940][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.187940][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.187940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.187940][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2769.187940][ T73] ipv6_add_addr+0x411/0x2000 [ 2769.187940][ T73] inet6_addr_add+0x30e/0xa40 [ 2769.187940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.187940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.187940][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.187940][ T73] netlink_unicast+0x449/0x710 [ 2769.187940][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.187940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.187940][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.187940][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.187940][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.187940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.187940][ T73] [ 2769.190225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2769.190225][ T73] netdev_get_by_index+0x5e/0x80 [ 2769.190225][ T73] fib6_nh_init+0x3d8/0x1580 [ 2769.190225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2769.190225][ T73] ip6_route_add+0x1c/0x140 [ 2769.190225][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.190225][ T73] addrconf_add_dev+0xe2/0x170 [ 2769.190225][ T73] inet6_addr_add+0x12f/0xa40 [ 2769.190225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.190225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.190225][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.190225][ T73] netlink_unicast+0x449/0x710 [ 2769.190225][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.190225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.190225][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.190225][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.190225][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.190225][ T73] [ 2769.192411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2769.192411][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2769.192411][ T73] ipv6_find_idev+0x102/0x170 [ 2769.192411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.192411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.192411][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.192411][ T73] netlink_unicast+0x449/0x710 [ 2769.192411][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.192411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.192411][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.192411][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.192411][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.192411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.192411][ T73] [ 2769.194121][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2769.194121][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2769.194121][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2769.194121][ T73] ipv6_find_idev+0x102/0x170 [ 2769.194121][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.194121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.194121][ T73] netlink_rcv_skb+0x130/0x360 [ 2769.194121][ T73] netlink_unicast+0x449/0x710 [ 2769.194121][ T73] netlink_sendmsg+0x723/0xbe0 [ 2769.194121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2769.194121][ T73] ___sys_sendmsg+0xee/0x170 [ 2769.194121][ T73] __sys_sendmsg+0xcd/0x170 [ 2769.194121][ T73] do_syscall_64+0xc6/0x1e0 [ 2769.194121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.194121][ T73] [ 2779.262920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2779.263317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.263317][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2779.263317][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2779.263317][ T73] fib6_nh_init+0xa22/0x1580 [ 2779.263317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.263317][ T73] ip6_route_add+0x1c/0x140 [ 2779.263317][ T73] inet6_rtm_newroute+0x104/0x110 [ 2779.263317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.263317][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.263317][ T73] netlink_unicast+0x449/0x710 [ 2779.263317][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.263317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.263317][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.263317][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.263317][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.263317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.263317][ T73] [ 2779.265188][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.265188][ T73] dst_init+0x84/0x4a0 [ 2779.265188][ T73] dst_alloc+0x97/0x150 [ 2779.265188][ T73] ip6_dst_alloc+0x23/0x90 [ 2779.265188][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.265188][ T73] ip6_pol_route+0x56f/0x840 [ 2779.265188][ T73] fib6_rule_lookup+0x456/0x630 [ 2779.265188][ T73] ip6_route_input+0x59c/0xa50 [ 2779.265188][ T73] ipv6_rcv+0x397/0x810 [ 2779.265188][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2779.265188][ T73] process_backlog+0x101/0x620 [ 2779.265188][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2779.265188][ T73] net_rx_action+0x495/0xbe0 [ 2779.265188][ T73] __do_softirq+0x1b5/0x7f6 [ 2779.265188][ T73] [ 2779.266832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.266832][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.266832][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.266832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.266832][ T73] ip6_route_add+0x1c/0x140 [ 2779.266832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2779.266832][ T73] inet6_addr_add+0x4f8/0xa40 [ 2779.266832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.266832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.266832][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.266832][ T73] netlink_unicast+0x449/0x710 [ 2779.266832][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.266832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.266832][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.266832][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.266832][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.266832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.266832][ T73] [ 2779.268832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.268832][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.268832][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.268832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.268832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2779.268832][ T73] ipv6_add_addr+0x411/0x2000 [ 2779.268832][ T73] inet6_addr_add+0x30e/0xa40 [ 2779.268832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.268832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.268832][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.268832][ T73] netlink_unicast+0x449/0x710 [ 2779.268832][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.268832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.268832][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.268832][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.268832][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.268832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.268832][ T73] [ 2779.270813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.270813][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.270813][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.270813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.270813][ T73] ip6_route_add+0x1c/0x140 [ 2779.270813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.270813][ T73] addrconf_add_dev+0xe2/0x170 [ 2779.270813][ T73] inet6_addr_add+0x12f/0xa40 [ 2779.270813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.270813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.270813][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.270813][ T73] netlink_unicast+0x449/0x710 [ 2779.270813][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.270813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.270813][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.270813][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.270813][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.270813][ T73] [ 2779.272763][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.272763][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2779.272763][ T73] ipv6_find_idev+0x102/0x170 [ 2779.272763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.272763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.272763][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.272763][ T73] netlink_unicast+0x449/0x710 [ 2779.272763][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.272763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.272763][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.272763][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.272763][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.272763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.272763][ T73] [ 2779.274301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2779.274301][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2779.274301][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2779.274301][ T73] ipv6_find_idev+0x102/0x170 [ 2779.274301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.274301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.274301][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.274301][ T73] netlink_unicast+0x449/0x710 [ 2779.274301][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.274301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.274301][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.274301][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.274301][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.274301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.274301][ T73] [ 2779.275985][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2779.276262][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.276262][ T73] dst_init+0x84/0x4a0 [ 2779.276262][ T73] dst_alloc+0x97/0x150 [ 2779.276262][ T73] ip6_dst_alloc+0x23/0x90 [ 2779.276262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.276262][ T73] ip6_pol_route+0x56f/0x840 [ 2779.276262][ T73] fib6_rule_lookup+0x456/0x630 [ 2779.276262][ T73] ip6_route_input+0x59c/0xa50 [ 2779.276262][ T73] ipv6_rcv+0x397/0x810 [ 2779.276262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2779.276262][ T73] process_backlog+0x101/0x620 [ 2779.276262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2779.276262][ T73] net_rx_action+0x495/0xbe0 [ 2779.276262][ T73] __do_softirq+0x1b5/0x7f6 [ 2779.276262][ T73] [ 2779.277892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.277892][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.277892][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.277892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.277892][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2779.277892][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2779.277892][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2779.277892][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2779.277892][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2779.277892][ T73] addrconf_dad_begin+0x310/0x670 [ 2779.277892][ T73] addrconf_dad_work+0x10b/0xab0 [ 2779.277892][ T73] process_one_work+0x84d/0x18a0 [ 2779.277892][ T73] worker_thread+0x587/0xd30 [ 2779.277892][ T73] kthread+0x28a/0x350 [ 2779.277892][ T73] ret_from_fork+0x31/0x70 [ 2779.277892][ T73] ret_from_fork_asm+0x1a/0x30 [ 2779.277892][ T73] [ 2779.279777][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.279777][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.279777][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.279777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.279777][ T73] ip6_route_add+0x1c/0x140 [ 2779.279777][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2779.279777][ T73] inet6_addr_add+0x4f8/0xa40 [ 2779.279777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.279777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.279777][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.279777][ T73] netlink_unicast+0x449/0x710 [ 2779.279777][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.279777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.279777][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.279777][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.279777][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.279777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.279777][ T73] [ 2779.281750][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.281750][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.281750][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.281750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.281750][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2779.281750][ T73] ipv6_add_addr+0x411/0x2000 [ 2779.281750][ T73] inet6_addr_add+0x30e/0xa40 [ 2779.281750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.281750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.281750][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.281750][ T73] netlink_unicast+0x449/0x710 [ 2779.281750][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.281750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.281750][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.281750][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.281750][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.281750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.281750][ T73] [ 2779.283721][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.283721][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.283721][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.283721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.283721][ T73] ip6_route_add+0x1c/0x140 [ 2779.283721][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.283721][ T73] addrconf_add_dev+0xe2/0x170 [ 2779.283721][ T73] inet6_addr_add+0x12f/0xa40 [ 2779.283721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.283721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.283721][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.283721][ T73] netlink_unicast+0x449/0x710 [ 2779.283721][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.283721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.283721][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.283721][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.283721][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.283721][ T73] [ 2779.285663][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.285663][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2779.285663][ T73] ipv6_find_idev+0x102/0x170 [ 2779.285663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.285663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.285663][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.285663][ T73] netlink_unicast+0x449/0x710 [ 2779.285663][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.285663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.285663][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.285663][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.285663][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.285663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.285663][ T73] [ 2779.287186][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2779.287186][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2779.287186][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2779.287186][ T73] ipv6_find_idev+0x102/0x170 [ 2779.287186][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.287186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.287186][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.287186][ T73] netlink_unicast+0x449/0x710 [ 2779.287186][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.287186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.287186][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.287186][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.287186][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.287186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.287186][ T73] [ 2779.288991][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2779.289256][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.289256][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2779.289256][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2779.289256][ T73] fib6_nh_init+0xa22/0x1580 [ 2779.289256][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.289256][ T73] ip6_route_add+0x1c/0x140 [ 2779.289256][ T73] inet6_rtm_newroute+0x104/0x110 [ 2779.289256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.289256][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.289256][ T73] netlink_unicast+0x449/0x710 [ 2779.289256][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.289256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.289256][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.289256][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.289256][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.289256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.289256][ T73] [ 2779.291432][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.291432][ T73] dst_init+0x84/0x4a0 [ 2779.291432][ T73] dst_alloc+0x97/0x150 [ 2779.291432][ T73] ip6_dst_alloc+0x23/0x90 [ 2779.291432][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.291432][ T73] ip6_pol_route+0x56f/0x840 [ 2779.291432][ T73] fib6_rule_lookup+0x456/0x630 [ 2779.291432][ T73] ip6_route_input+0x59c/0xa50 [ 2779.291432][ T73] ipv6_rcv+0x397/0x810 [ 2779.291432][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2779.291432][ T73] process_backlog+0x101/0x620 [ 2779.291432][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2779.291432][ T73] net_rx_action+0x495/0xbe0 [ 2779.291432][ T73] __do_softirq+0x1b5/0x7f6 [ 2779.291432][ T73] [ 2779.293355][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.293355][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.293355][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.293355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.293355][ T73] ip6_route_add+0x1c/0x140 [ 2779.293355][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2779.293355][ T73] inet6_addr_add+0x4f8/0xa40 [ 2779.293355][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.293355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.293355][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.293355][ T73] netlink_unicast+0x449/0x710 [ 2779.293355][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.293355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.293355][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.293355][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.293355][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.293355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.293355][ T73] [ 2779.295573][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.295573][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.295573][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.295573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.295573][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2779.295573][ T73] ipv6_add_addr+0x411/0x2000 [ 2779.295573][ T73] inet6_addr_add+0x30e/0xa40 [ 2779.295573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.295573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.295573][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.295573][ T73] netlink_unicast+0x449/0x710 [ 2779.295573][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.295573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.295573][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.295573][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.295573][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.295573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.295573][ T73] [ 2779.297739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.297739][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.297739][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.297739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.297739][ T73] ip6_route_add+0x1c/0x140 [ 2779.297739][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.297739][ T73] addrconf_add_dev+0xe2/0x170 [ 2779.297739][ T73] inet6_addr_add+0x12f/0xa40 [ 2779.297739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.297739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.297739][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.297739][ T73] netlink_unicast+0x449/0x710 [ 2779.297739][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.297739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.297739][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.297739][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.297739][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.297739][ T73] [ 2779.299982][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.299982][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2779.299982][ T73] ipv6_find_idev+0x102/0x170 [ 2779.299982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.299982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.299982][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.299982][ T73] netlink_unicast+0x449/0x710 [ 2779.299982][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.299982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.299982][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.299982][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.299982][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.299982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.299982][ T73] [ 2779.301687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2779.301687][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2779.301687][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2779.301687][ T73] ipv6_find_idev+0x102/0x170 [ 2779.301687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.301687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.301687][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.301687][ T73] netlink_unicast+0x449/0x710 [ 2779.301687][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.301687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.301687][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.301687][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.301687][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.301687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.301687][ T73] [ 2779.303616][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2779.304331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2779.304331][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.304331][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.304331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.304331][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2779.304331][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2779.304331][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2779.304331][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2779.304331][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2779.304331][ T73] addrconf_dad_begin+0x310/0x670 [ 2779.304331][ T73] addrconf_dad_work+0x10b/0xab0 [ 2779.304331][ T73] process_one_work+0x84d/0x18a0 [ 2779.304331][ T73] worker_thread+0x587/0xd30 [ 2779.304331][ T73] kthread+0x28a/0x350 [ 2779.304331][ T73] ret_from_fork+0x31/0x70 [ 2779.304331][ T73] ret_from_fork_asm+0x1a/0x30 [ 2779.304331][ T73] [ 2779.306223][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2779.306223][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.306223][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.306223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.306223][ T73] ip6_route_add+0x1c/0x140 [ 2779.306223][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2779.306223][ T73] inet6_addr_add+0x4f8/0xa40 [ 2779.306223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.306223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.306223][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.306223][ T73] netlink_unicast+0x449/0x710 [ 2779.306223][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.306223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.306223][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.306223][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.306223][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.306223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.306223][ T73] [ 2779.308794][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2779.308794][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.308794][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.308794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.308794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2779.308794][ T73] ipv6_add_addr+0x411/0x2000 [ 2779.308794][ T73] inet6_addr_add+0x30e/0xa40 [ 2779.308794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.308794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.308794][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.308794][ T73] netlink_unicast+0x449/0x710 [ 2779.308794][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.308794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.308794][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.308794][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.308794][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.308794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.308794][ T73] [ 2779.311013][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2779.311013][ T73] netdev_get_by_index+0x5e/0x80 [ 2779.311013][ T73] fib6_nh_init+0x3d8/0x1580 [ 2779.311013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2779.311013][ T73] ip6_route_add+0x1c/0x140 [ 2779.311013][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.311013][ T73] addrconf_add_dev+0xe2/0x170 [ 2779.311013][ T73] inet6_addr_add+0x12f/0xa40 [ 2779.311013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.311013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.311013][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.311013][ T73] netlink_unicast+0x449/0x710 [ 2779.311013][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.311013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.311013][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.311013][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.311013][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.311013][ T73] [ 2779.313269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2779.313269][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2779.313269][ T73] ipv6_find_idev+0x102/0x170 [ 2779.313269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.313269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.313269][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.313269][ T73] netlink_unicast+0x449/0x710 [ 2779.313269][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.313269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.313269][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.313269][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.313269][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.313269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.313269][ T73] [ 2779.314971][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2779.314971][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2779.314971][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2779.314971][ T73] ipv6_find_idev+0x102/0x170 [ 2779.314971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.314971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.314971][ T73] netlink_rcv_skb+0x130/0x360 [ 2779.314971][ T73] netlink_unicast+0x449/0x710 [ 2779.314971][ T73] netlink_sendmsg+0x723/0xbe0 [ 2779.314971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2779.314971][ T73] ___sys_sendmsg+0xee/0x170 [ 2779.314971][ T73] __sys_sendmsg+0xcd/0x170 [ 2779.314971][ T73] do_syscall_64+0xc6/0x1e0 [ 2779.314971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.314971][ T73] [ 2789.398890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2789.399282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.399282][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2789.399282][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2789.399282][ T73] fib6_nh_init+0xa22/0x1580 [ 2789.399282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.399282][ T73] ip6_route_add+0x1c/0x140 [ 2789.399282][ T73] inet6_rtm_newroute+0x104/0x110 [ 2789.399282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.399282][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.399282][ T73] netlink_unicast+0x449/0x710 [ 2789.399282][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.399282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.399282][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.399282][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.399282][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.399282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.399282][ T73] [ 2789.401152][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.401152][ T73] dst_init+0x84/0x4a0 [ 2789.401152][ T73] dst_alloc+0x97/0x150 [ 2789.401152][ T73] ip6_dst_alloc+0x23/0x90 [ 2789.401152][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.401152][ T73] ip6_pol_route+0x56f/0x840 [ 2789.401152][ T73] fib6_rule_lookup+0x456/0x630 [ 2789.401152][ T73] ip6_route_input+0x59c/0xa50 [ 2789.401152][ T73] ipv6_rcv+0x397/0x810 [ 2789.401152][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2789.401152][ T73] process_backlog+0x101/0x620 [ 2789.401152][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2789.401152][ T73] net_rx_action+0x495/0xbe0 [ 2789.401152][ T73] __do_softirq+0x1b5/0x7f6 [ 2789.401152][ T73] [ 2789.402777][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.402777][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.402777][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.402777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.402777][ T73] ip6_route_add+0x1c/0x140 [ 2789.402777][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2789.402777][ T73] inet6_addr_add+0x4f8/0xa40 [ 2789.402777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.402777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.402777][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.402777][ T73] netlink_unicast+0x449/0x710 [ 2789.402777][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.402777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.402777][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.402777][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.402777][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.402777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.402777][ T73] [ 2789.404782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.404782][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.404782][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.404782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.404782][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2789.404782][ T73] ipv6_add_addr+0x411/0x2000 [ 2789.404782][ T73] inet6_addr_add+0x30e/0xa40 [ 2789.404782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.404782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.404782][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.404782][ T73] netlink_unicast+0x449/0x710 [ 2789.404782][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.404782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.404782][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.404782][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.404782][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.404782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.404782][ T73] [ 2789.406771][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.406771][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.406771][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.406771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.406771][ T73] ip6_route_add+0x1c/0x140 [ 2789.406771][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.406771][ T73] addrconf_add_dev+0xe2/0x170 [ 2789.406771][ T73] inet6_addr_add+0x12f/0xa40 [ 2789.406771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.406771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.406771][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.406771][ T73] netlink_unicast+0x449/0x710 [ 2789.406771][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.406771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.406771][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.406771][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.406771][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.406771][ T73] [ 2789.408734][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.408734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2789.408734][ T73] ipv6_find_idev+0x102/0x170 [ 2789.408734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.408734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.408734][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.408734][ T73] netlink_unicast+0x449/0x710 [ 2789.408734][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.408734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.408734][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.408734][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.408734][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.408734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.408734][ T73] [ 2789.410257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2789.410257][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2789.410257][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2789.410257][ T73] ipv6_find_idev+0x102/0x170 [ 2789.410257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.410257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.410257][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.410257][ T73] netlink_unicast+0x449/0x710 [ 2789.410257][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.410257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.410257][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.410257][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.410257][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.410257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.410257][ T73] [ 2789.411945][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2789.412220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.412220][ T73] dst_init+0x84/0x4a0 [ 2789.412220][ T73] dst_alloc+0x97/0x150 [ 2789.412220][ T73] ip6_dst_alloc+0x23/0x90 [ 2789.412220][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.412220][ T73] ip6_pol_route+0x56f/0x840 [ 2789.412220][ T73] fib6_rule_lookup+0x456/0x630 [ 2789.412220][ T73] ip6_route_input+0x59c/0xa50 [ 2789.412220][ T73] ipv6_rcv+0x397/0x810 [ 2789.412220][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2789.412220][ T73] process_backlog+0x101/0x620 [ 2789.412220][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2789.412220][ T73] net_rx_action+0x495/0xbe0 [ 2789.412220][ T73] __do_softirq+0x1b5/0x7f6 [ 2789.412220][ T73] [ 2789.413842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.413842][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.413842][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.413842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.413842][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2789.413842][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.413842][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2789.413842][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.413842][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2789.413842][ T73] addrconf_dad_begin+0x310/0x670 [ 2789.413842][ T73] addrconf_dad_work+0x10b/0xab0 [ 2789.413842][ T73] process_one_work+0x84d/0x18a0 [ 2789.413842][ T73] worker_thread+0x587/0xd30 [ 2789.413842][ T73] kthread+0x28a/0x350 [ 2789.413842][ T73] ret_from_fork+0x31/0x70 [ 2789.413842][ T73] ret_from_fork_asm+0x1a/0x30 [ 2789.413842][ T73] [ 2789.415825][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.415825][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.415825][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.415825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.415825][ T73] ip6_route_add+0x1c/0x140 [ 2789.415825][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2789.415825][ T73] inet6_addr_add+0x4f8/0xa40 [ 2789.415825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.415825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.415825][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.415825][ T73] netlink_unicast+0x449/0x710 [ 2789.415825][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.415825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.415825][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.415825][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.415825][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.415825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.415825][ T73] [ 2789.417811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.417811][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.417811][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.417811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.417811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2789.417811][ T73] ipv6_add_addr+0x411/0x2000 [ 2789.417811][ T73] inet6_addr_add+0x30e/0xa40 [ 2789.417811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.417811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.417811][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.417811][ T73] netlink_unicast+0x449/0x710 [ 2789.417811][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.417811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.417811][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.417811][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.417811][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.417811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.417811][ T73] [ 2789.419790][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.419790][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.419790][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.419790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.419790][ T73] ip6_route_add+0x1c/0x140 [ 2789.419790][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.419790][ T73] addrconf_add_dev+0xe2/0x170 [ 2789.419790][ T73] inet6_addr_add+0x12f/0xa40 [ 2789.419790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.419790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.419790][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.419790][ T73] netlink_unicast+0x449/0x710 [ 2789.419790][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.419790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.419790][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.419790][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.419790][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.419790][ T73] [ 2789.422260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.422260][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2789.422260][ T73] ipv6_find_idev+0x102/0x170 [ 2789.422260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.422260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.422260][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.422260][ T73] netlink_unicast+0x449/0x710 [ 2789.422260][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.422260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.422260][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.422260][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.422260][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.422260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.422260][ T73] [ 2789.423778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2789.423778][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2789.423778][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2789.423778][ T73] ipv6_find_idev+0x102/0x170 [ 2789.423778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.423778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.423778][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.423778][ T73] netlink_unicast+0x449/0x710 [ 2789.423778][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.423778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.423778][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.423778][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.423778][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.423778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.423778][ T73] [ 2789.425566][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2789.425853][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.425853][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2789.425853][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2789.425853][ T73] fib6_nh_init+0xa22/0x1580 [ 2789.425853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.425853][ T73] ip6_route_add+0x1c/0x140 [ 2789.425853][ T73] inet6_rtm_newroute+0x104/0x110 [ 2789.425853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.425853][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.425853][ T73] netlink_unicast+0x449/0x710 [ 2789.425853][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.425853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.425853][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.425853][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.425853][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.425853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.425853][ T73] [ 2789.428021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.428021][ T73] dst_init+0x84/0x4a0 [ 2789.428021][ T73] dst_alloc+0x97/0x150 [ 2789.428021][ T73] ip6_dst_alloc+0x23/0x90 [ 2789.428021][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.428021][ T73] ip6_pol_route+0x56f/0x840 [ 2789.428021][ T73] fib6_rule_lookup+0x456/0x630 [ 2789.428021][ T73] ip6_route_input+0x59c/0xa50 [ 2789.428021][ T73] ipv6_rcv+0x397/0x810 [ 2789.428021][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2789.428021][ T73] process_backlog+0x101/0x620 [ 2789.428021][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2789.428021][ T73] net_rx_action+0x495/0xbe0 [ 2789.428021][ T73] __do_softirq+0x1b5/0x7f6 [ 2789.428021][ T73] [ 2789.429817][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.429817][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.429817][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.429817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.429817][ T73] ip6_route_add+0x1c/0x140 [ 2789.429817][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2789.429817][ T73] inet6_addr_add+0x4f8/0xa40 [ 2789.429817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.429817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.429817][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.429817][ T73] netlink_unicast+0x449/0x710 [ 2789.429817][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.429817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.429817][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.429817][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.429817][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.429817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.429817][ T73] [ 2789.432034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.432034][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.432034][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.432034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.432034][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2789.432034][ T73] ipv6_add_addr+0x411/0x2000 [ 2789.432034][ T73] inet6_addr_add+0x30e/0xa40 [ 2789.432034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.432034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.432034][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.432034][ T73] netlink_unicast+0x449/0x710 [ 2789.432034][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.432034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.432034][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.432034][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.432034][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.432034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.432034][ T73] [ 2789.434246][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.434246][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.434246][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.434246][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.434246][ T73] ip6_route_add+0x1c/0x140 [ 2789.434246][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.434246][ T73] addrconf_add_dev+0xe2/0x170 [ 2789.434246][ T73] inet6_addr_add+0x12f/0xa40 [ 2789.434246][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.434246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.434246][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.434246][ T73] netlink_unicast+0x449/0x710 [ 2789.434246][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.434246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.434246][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.434246][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.434246][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.434246][ T73] [ 2789.436494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.436494][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2789.436494][ T73] ipv6_find_idev+0x102/0x170 [ 2789.436494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.436494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.436494][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.436494][ T73] netlink_unicast+0x449/0x710 [ 2789.436494][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.436494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.436494][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.436494][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.436494][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.436494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.436494][ T73] [ 2789.438535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2789.438535][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2789.438535][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2789.438535][ T73] ipv6_find_idev+0x102/0x170 [ 2789.438535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.438535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.438535][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.438535][ T73] netlink_unicast+0x449/0x710 [ 2789.438535][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.438535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.438535][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.438535][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.438535][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.438535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.438535][ T73] [ 2789.440443][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2789.440714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2789.440714][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.440714][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.440714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.440714][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2789.440714][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.440714][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2789.440714][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.440714][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2789.440714][ T73] addrconf_dad_begin+0x310/0x670 [ 2789.440714][ T73] addrconf_dad_work+0x10b/0xab0 [ 2789.440714][ T73] process_one_work+0x84d/0x18a0 [ 2789.440714][ T73] worker_thread+0x587/0xd30 [ 2789.440714][ T73] kthread+0x28a/0x350 [ 2789.440714][ T73] ret_from_fork+0x31/0x70 [ 2789.440714][ T73] ret_from_fork_asm+0x1a/0x30 [ 2789.440714][ T73] [ 2789.442847][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2789.442847][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.442847][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.442847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.442847][ T73] ip6_route_add+0x1c/0x140 [ 2789.442847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2789.442847][ T73] inet6_addr_add+0x4f8/0xa40 [ 2789.442847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.442847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.442847][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.442847][ T73] netlink_unicast+0x449/0x710 [ 2789.442847][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.442847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.442847][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.442847][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.442847][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.442847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.442847][ T73] [ 2789.445066][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2789.445066][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.445066][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.445066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.445066][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2789.445066][ T73] ipv6_add_addr+0x411/0x2000 [ 2789.445066][ T73] inet6_addr_add+0x30e/0xa40 [ 2789.445066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.445066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.445066][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.445066][ T73] netlink_unicast+0x449/0x710 [ 2789.445066][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.445066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.445066][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.445066][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.445066][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.445066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.445066][ T73] [ 2789.447279][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2789.447279][ T73] netdev_get_by_index+0x5e/0x80 [ 2789.447279][ T73] fib6_nh_init+0x3d8/0x1580 [ 2789.447279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2789.447279][ T73] ip6_route_add+0x1c/0x140 [ 2789.447279][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.447279][ T73] addrconf_add_dev+0xe2/0x170 [ 2789.447279][ T73] inet6_addr_add+0x12f/0xa40 [ 2789.447279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.447279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.447279][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.447279][ T73] netlink_unicast+0x449/0x710 [ 2789.447279][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.447279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.447279][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.447279][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.447279][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.447279][ T73] [ 2789.449476][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2789.449476][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2789.449476][ T73] ipv6_find_idev+0x102/0x170 [ 2789.449476][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.449476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.449476][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.449476][ T73] netlink_unicast+0x449/0x710 [ 2789.449476][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.449476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.449476][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.449476][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.449476][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.449476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.449476][ T73] [ 2789.451176][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2789.451176][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2789.451176][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2789.451176][ T73] ipv6_find_idev+0x102/0x170 [ 2789.451176][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.451176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.451176][ T73] netlink_rcv_skb+0x130/0x360 [ 2789.451176][ T73] netlink_unicast+0x449/0x710 [ 2789.451176][ T73] netlink_sendmsg+0x723/0xbe0 [ 2789.451176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2789.451176][ T73] ___sys_sendmsg+0xee/0x170 [ 2789.451176][ T73] __sys_sendmsg+0xcd/0x170 [ 2789.451176][ T73] do_syscall_64+0xc6/0x1e0 [ 2789.451176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.451176][ T73] [ 2799.694894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2799.695280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.695280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2799.695280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2799.695280][ T73] fib6_nh_init+0xa22/0x1580 [ 2799.695280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.695280][ T73] ip6_route_add+0x1c/0x140 [ 2799.695280][ T73] inet6_rtm_newroute+0x104/0x110 [ 2799.695280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.695280][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.695280][ T73] netlink_unicast+0x449/0x710 [ 2799.695280][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.695280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.695280][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.695280][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.695280][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.695280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.695280][ T73] [ 2799.697155][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.697155][ T73] dst_init+0x84/0x4a0 [ 2799.697155][ T73] dst_alloc+0x97/0x150 [ 2799.697155][ T73] ip6_dst_alloc+0x23/0x90 [ 2799.697155][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2799.697155][ T73] ip6_pol_route+0x56f/0x840 [ 2799.697155][ T73] fib6_rule_lookup+0x456/0x630 [ 2799.697155][ T73] ip6_route_input+0x59c/0xa50 [ 2799.697155][ T73] ipv6_rcv+0x397/0x810 [ 2799.697155][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2799.697155][ T73] process_backlog+0x101/0x620 [ 2799.697155][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2799.697155][ T73] net_rx_action+0x495/0xbe0 [ 2799.697155][ T73] __do_softirq+0x1b5/0x7f6 [ 2799.697155][ T73] [ 2799.698819][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.698819][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.698819][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.698819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.698819][ T73] ip6_route_add+0x1c/0x140 [ 2799.698819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2799.698819][ T73] inet6_addr_add+0x4f8/0xa40 [ 2799.698819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.698819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.698819][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.698819][ T73] netlink_unicast+0x449/0x710 [ 2799.698819][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.698819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.698819][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.698819][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.698819][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.698819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.698819][ T73] [ 2799.700801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.700801][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.700801][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.700801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.700801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2799.700801][ T73] ipv6_add_addr+0x411/0x2000 [ 2799.700801][ T73] inet6_addr_add+0x30e/0xa40 [ 2799.700801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.700801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.700801][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.700801][ T73] netlink_unicast+0x449/0x710 [ 2799.700801][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.700801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.700801][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.700801][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.700801][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.700801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.700801][ T73] [ 2799.702784][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.702784][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.702784][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.702784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.702784][ T73] ip6_route_add+0x1c/0x140 [ 2799.702784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.702784][ T73] addrconf_add_dev+0xe2/0x170 [ 2799.702784][ T73] inet6_addr_add+0x12f/0xa40 [ 2799.702784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.702784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.702784][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.702784][ T73] netlink_unicast+0x449/0x710 [ 2799.702784][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.702784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.702784][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.702784][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.702784][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.702784][ T73] [ 2799.704739][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.704739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2799.704739][ T73] ipv6_find_idev+0x102/0x170 [ 2799.704739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.704739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.704739][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.704739][ T73] netlink_unicast+0x449/0x710 [ 2799.704739][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.704739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.704739][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.704739][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.704739][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.704739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.704739][ T73] [ 2799.706264][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2799.706264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2799.706264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2799.706264][ T73] ipv6_find_idev+0x102/0x170 [ 2799.706264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.706264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.706264][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.706264][ T73] netlink_unicast+0x449/0x710 [ 2799.706264][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.706264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.706264][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.706264][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.706264][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.706264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.706264][ T73] [ 2799.707939][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2799.708207][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.708207][ T73] dst_init+0x84/0x4a0 [ 2799.708207][ T73] dst_alloc+0x97/0x150 [ 2799.708207][ T73] ip6_dst_alloc+0x23/0x90 [ 2799.708207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2799.708207][ T73] ip6_pol_route+0x56f/0x840 [ 2799.708207][ T73] fib6_rule_lookup+0x456/0x630 [ 2799.708207][ T73] ip6_route_input+0x59c/0xa50 [ 2799.708207][ T73] ipv6_rcv+0x397/0x810 [ 2799.708207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2799.708207][ T73] process_backlog+0x101/0x620 [ 2799.708207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2799.708207][ T73] net_rx_action+0x495/0xbe0 [ 2799.708207][ T73] __do_softirq+0x1b5/0x7f6 [ 2799.708207][ T73] [ 2799.709826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.709826][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.709826][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.709826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.709826][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2799.709826][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.709826][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2799.709826][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.709826][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2799.709826][ T73] addrconf_dad_begin+0x310/0x670 [ 2799.709826][ T73] addrconf_dad_work+0x10b/0xab0 [ 2799.709826][ T73] process_one_work+0x84d/0x18a0 [ 2799.709826][ T73] worker_thread+0x587/0xd30 [ 2799.709826][ T73] kthread+0x28a/0x350 [ 2799.709826][ T73] ret_from_fork+0x31/0x70 [ 2799.709826][ T73] ret_from_fork_asm+0x1a/0x30 [ 2799.709826][ T73] [ 2799.711715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.711715][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.711715][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.711715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.711715][ T73] ip6_route_add+0x1c/0x140 [ 2799.711715][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2799.711715][ T73] inet6_addr_add+0x4f8/0xa40 [ 2799.711715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.711715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.711715][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.711715][ T73] netlink_unicast+0x449/0x710 [ 2799.711715][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.711715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.711715][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.711715][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.711715][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.711715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.711715][ T73] [ 2799.714079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.714079][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.714079][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.714079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.714079][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2799.714079][ T73] ipv6_add_addr+0x411/0x2000 [ 2799.714079][ T73] inet6_addr_add+0x30e/0xa40 [ 2799.714079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.714079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.714079][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.714079][ T73] netlink_unicast+0x449/0x710 [ 2799.714079][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.714079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.714079][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.714079][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.714079][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.714079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.714079][ T73] [ 2799.716066][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.716066][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.716066][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.716066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.716066][ T73] ip6_route_add+0x1c/0x140 [ 2799.716066][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.716066][ T73] addrconf_add_dev+0xe2/0x170 [ 2799.716066][ T73] inet6_addr_add+0x12f/0xa40 [ 2799.716066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.716066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.716066][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.716066][ T73] netlink_unicast+0x449/0x710 [ 2799.716066][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.716066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.716066][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.716066][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.716066][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.716066][ T73] [ 2799.718040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.718040][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2799.718040][ T73] ipv6_find_idev+0x102/0x170 [ 2799.718040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.718040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.718040][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.718040][ T73] netlink_unicast+0x449/0x710 [ 2799.718040][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.718040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.718040][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.718040][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.718040][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.718040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.718040][ T73] [ 2799.719563][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2799.719563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2799.719563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2799.719563][ T73] ipv6_find_idev+0x102/0x170 [ 2799.719563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.719563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.719563][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.719563][ T73] netlink_unicast+0x449/0x710 [ 2799.719563][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.719563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.719563][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.719563][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.719563][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.719563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.719563][ T73] [ 2799.721362][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2799.721635][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.721635][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2799.721635][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2799.721635][ T73] fib6_nh_init+0xa22/0x1580 [ 2799.721635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.721635][ T73] ip6_route_add+0x1c/0x140 [ 2799.721635][ T73] inet6_rtm_newroute+0x104/0x110 [ 2799.721635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.721635][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.721635][ T73] netlink_unicast+0x449/0x710 [ 2799.721635][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.721635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.721635][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.721635][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.721635][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.721635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.721635][ T73] [ 2799.723738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.723738][ T73] dst_init+0x84/0x4a0 [ 2799.723738][ T73] dst_alloc+0x97/0x150 [ 2799.723738][ T73] ip6_dst_alloc+0x23/0x90 [ 2799.723738][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2799.723738][ T73] ip6_pol_route+0x56f/0x840 [ 2799.723738][ T73] fib6_rule_lookup+0x456/0x630 [ 2799.723738][ T73] ip6_route_input+0x59c/0xa50 [ 2799.723738][ T73] ipv6_rcv+0x397/0x810 [ 2799.723738][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2799.723738][ T73] process_backlog+0x101/0x620 [ 2799.723738][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2799.723738][ T73] net_rx_action+0x495/0xbe0 [ 2799.723738][ T73] __do_softirq+0x1b5/0x7f6 [ 2799.723738][ T73] [ 2799.725545][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.725545][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.725545][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.725545][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.725545][ T73] ip6_route_add+0x1c/0x140 [ 2799.725545][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2799.725545][ T73] inet6_addr_add+0x4f8/0xa40 [ 2799.725545][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.725545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.725545][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.725545][ T73] netlink_unicast+0x449/0x710 [ 2799.725545][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.725545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.725545][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.725545][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.725545][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.725545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.725545][ T73] [ 2799.727833][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.727833][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.727833][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.727833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.727833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2799.727833][ T73] ipv6_add_addr+0x411/0x2000 [ 2799.727833][ T73] inet6_addr_add+0x30e/0xa40 [ 2799.727833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.727833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.727833][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.727833][ T73] netlink_unicast+0x449/0x710 [ 2799.727833][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.727833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.727833][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.727833][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.727833][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.727833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.727833][ T73] [ 2799.730076][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.730076][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.730076][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.730076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.730076][ T73] ip6_route_add+0x1c/0x140 [ 2799.730076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.730076][ T73] addrconf_add_dev+0xe2/0x170 [ 2799.730076][ T73] inet6_addr_add+0x12f/0xa40 [ 2799.730076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.730076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.730076][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.730076][ T73] netlink_unicast+0x449/0x710 [ 2799.730076][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.730076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.730076][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.730076][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.730076][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.730076][ T73] [ 2799.732264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.732264][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2799.732264][ T73] ipv6_find_idev+0x102/0x170 [ 2799.732264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.732264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.732264][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.732264][ T73] netlink_unicast+0x449/0x710 [ 2799.732264][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.732264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.732264][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.732264][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.732264][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.732264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.732264][ T73] [ 2799.733910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2799.733910][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2799.733910][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2799.733910][ T73] ipv6_find_idev+0x102/0x170 [ 2799.733910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.733910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.733910][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.733910][ T73] netlink_unicast+0x449/0x710 [ 2799.733910][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.733910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.733910][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.733910][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.733910][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.733910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.733910][ T73] [ 2799.735886][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2799.736154][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2799.736154][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.736154][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.736154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.736154][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2799.736154][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.736154][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2799.736154][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.736154][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2799.736154][ T73] addrconf_dad_begin+0x310/0x670 [ 2799.736154][ T73] addrconf_dad_work+0x10b/0xab0 [ 2799.736154][ T73] process_one_work+0x84d/0x18a0 [ 2799.736154][ T73] worker_thread+0x587/0xd30 [ 2799.736154][ T73] kthread+0x28a/0x350 [ 2799.736154][ T73] ret_from_fork+0x31/0x70 [ 2799.736154][ T73] ret_from_fork_asm+0x1a/0x30 [ 2799.736154][ T73] [ 2799.738292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2799.738292][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.738292][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.738292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.738292][ T73] ip6_route_add+0x1c/0x140 [ 2799.738292][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2799.738292][ T73] inet6_addr_add+0x4f8/0xa40 [ 2799.738292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.738292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.738292][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.738292][ T73] netlink_unicast+0x449/0x710 [ 2799.738292][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.738292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.738292][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.738292][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.738292][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.738292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.738292][ T73] [ 2799.740512][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2799.740512][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.740512][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.740512][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.740512][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2799.740512][ T73] ipv6_add_addr+0x411/0x2000 [ 2799.740512][ T73] inet6_addr_add+0x30e/0xa40 [ 2799.740512][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.740512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.740512][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.740512][ T73] netlink_unicast+0x449/0x710 [ 2799.740512][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.740512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.740512][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.740512][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.740512][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.740512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.740512][ T73] [ 2799.742676][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2799.742676][ T73] netdev_get_by_index+0x5e/0x80 [ 2799.742676][ T73] fib6_nh_init+0x3d8/0x1580 [ 2799.742676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2799.742676][ T73] ip6_route_add+0x1c/0x140 [ 2799.742676][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.742676][ T73] addrconf_add_dev+0xe2/0x170 [ 2799.742676][ T73] inet6_addr_add+0x12f/0xa40 [ 2799.742676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.742676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.742676][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.742676][ T73] netlink_unicast+0x449/0x710 [ 2799.742676][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.742676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.742676][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.742676][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.742676][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.742676][ T73] [ 2799.744862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2799.744862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2799.744862][ T73] ipv6_find_idev+0x102/0x170 [ 2799.744862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.744862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.744862][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.744862][ T73] netlink_unicast+0x449/0x710 [ 2799.744862][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.744862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.744862][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.744862][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.744862][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.744862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.744862][ T73] [ 2799.746630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2799.746630][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2799.746630][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2799.746630][ T73] ipv6_find_idev+0x102/0x170 [ 2799.746630][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.746630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.746630][ T73] netlink_rcv_skb+0x130/0x360 [ 2799.746630][ T73] netlink_unicast+0x449/0x710 [ 2799.746630][ T73] netlink_sendmsg+0x723/0xbe0 [ 2799.746630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2799.746630][ T73] ___sys_sendmsg+0xee/0x170 [ 2799.746630][ T73] __sys_sendmsg+0xcd/0x170 [ 2799.746630][ T73] do_syscall_64+0xc6/0x1e0 [ 2799.746630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.746630][ T73] [ 2809.990914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2809.991304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2809.991304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2809.991304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2809.991304][ T73] fib6_nh_init+0xa22/0x1580 [ 2809.991304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2809.991304][ T73] ip6_route_add+0x1c/0x140 [ 2809.991304][ T73] inet6_rtm_newroute+0x104/0x110 [ 2809.991304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.991304][ T73] netlink_rcv_skb+0x130/0x360 [ 2809.991304][ T73] netlink_unicast+0x449/0x710 [ 2809.991304][ T73] netlink_sendmsg+0x723/0xbe0 [ 2809.991304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2809.991304][ T73] ___sys_sendmsg+0xee/0x170 [ 2809.991304][ T73] __sys_sendmsg+0xcd/0x170 [ 2809.991304][ T73] do_syscall_64+0xc6/0x1e0 [ 2809.991304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.991304][ T73] [ 2809.993183][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2809.993183][ T73] dst_init+0x84/0x4a0 [ 2809.993183][ T73] dst_alloc+0x97/0x150 [ 2809.993183][ T73] ip6_dst_alloc+0x23/0x90 [ 2809.993183][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2809.993183][ T73] ip6_pol_route+0x56f/0x840 [ 2809.993183][ T73] fib6_rule_lookup+0x456/0x630 [ 2809.993183][ T73] ip6_route_input+0x59c/0xa50 [ 2809.993183][ T73] ipv6_rcv+0x397/0x810 [ 2809.993183][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2809.993183][ T73] process_backlog+0x101/0x620 [ 2809.993183][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2809.993183][ T73] net_rx_action+0x495/0xbe0 [ 2809.993183][ T73] __do_softirq+0x1b5/0x7f6 [ 2809.993183][ T73] [ 2809.994815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2809.994815][ T73] netdev_get_by_index+0x5e/0x80 [ 2809.994815][ T73] fib6_nh_init+0x3d8/0x1580 [ 2809.994815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2809.994815][ T73] ip6_route_add+0x1c/0x140 [ 2809.994815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2809.994815][ T73] inet6_addr_add+0x4f8/0xa40 [ 2809.994815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.994815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.994815][ T73] netlink_rcv_skb+0x130/0x360 [ 2809.994815][ T73] netlink_unicast+0x449/0x710 [ 2809.994815][ T73] netlink_sendmsg+0x723/0xbe0 [ 2809.994815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2809.994815][ T73] ___sys_sendmsg+0xee/0x170 [ 2809.994815][ T73] __sys_sendmsg+0xcd/0x170 [ 2809.994815][ T73] do_syscall_64+0xc6/0x1e0 [ 2809.994815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.994815][ T73] [ 2809.996800][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2809.996800][ T73] netdev_get_by_index+0x5e/0x80 [ 2809.996800][ T73] fib6_nh_init+0x3d8/0x1580 [ 2809.996800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2809.996800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2809.996800][ T73] ipv6_add_addr+0x411/0x2000 [ 2809.996800][ T73] inet6_addr_add+0x30e/0xa40 [ 2809.996800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.996800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.996800][ T73] netlink_rcv_skb+0x130/0x360 [ 2809.996800][ T73] netlink_unicast+0x449/0x710 [ 2809.996800][ T73] netlink_sendmsg+0x723/0xbe0 [ 2809.996800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2809.996800][ T73] ___sys_sendmsg+0xee/0x170 [ 2809.996800][ T73] __sys_sendmsg+0xcd/0x170 [ 2809.996800][ T73] do_syscall_64+0xc6/0x1e0 [ 2809.996800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.996800][ T73] [ 2809.998799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2809.998799][ T73] netdev_get_by_index+0x5e/0x80 [ 2809.998799][ T73] fib6_nh_init+0x3d8/0x1580 [ 2809.998799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2809.998799][ T73] ip6_route_add+0x1c/0x140 [ 2809.998799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.998799][ T73] addrconf_add_dev+0xe2/0x170 [ 2809.998799][ T73] inet6_addr_add+0x12f/0xa40 [ 2809.998799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.998799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.998799][ T73] netlink_rcv_skb+0x130/0x360 [ 2809.998799][ T73] netlink_unicast+0x449/0x710 [ 2809.998799][ T73] netlink_sendmsg+0x723/0xbe0 [ 2809.998799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2809.998799][ T73] ___sys_sendmsg+0xee/0x170 [ 2809.998799][ T73] __sys_sendmsg+0xcd/0x170 [ 2809.998799][ T73] do_syscall_64+0xc6/0x1e0 [ 2809.998799][ T73] [ 2810.000767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2810.000767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2810.000767][ T73] ipv6_find_idev+0x102/0x170 [ 2810.000767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.000767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.000767][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.000767][ T73] netlink_unicast+0x449/0x710 [ 2810.000767][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.000767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.000767][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.000767][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.000767][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.000767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.000767][ T73] [ 2810.002299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2810.002299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2810.002299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2810.002299][ T73] ipv6_find_idev+0x102/0x170 [ 2810.002299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.002299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.002299][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.002299][ T73] netlink_unicast+0x449/0x710 [ 2810.002299][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.002299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.002299][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.002299][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.002299][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.002299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.002299][ T73] [ 2810.003967][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2810.004238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.004238][ T73] dst_init+0x84/0x4a0 [ 2810.004238][ T73] dst_alloc+0x97/0x150 [ 2810.004238][ T73] ip6_dst_alloc+0x23/0x90 [ 2810.004238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.004238][ T73] ip6_pol_route+0x56f/0x840 [ 2810.004238][ T73] fib6_rule_lookup+0x456/0x630 [ 2810.004238][ T73] ip6_route_input+0x59c/0xa50 [ 2810.004238][ T73] ipv6_rcv+0x397/0x810 [ 2810.004238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2810.004238][ T73] process_backlog+0x101/0x620 [ 2810.004238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2810.004238][ T73] net_rx_action+0x495/0xbe0 [ 2810.004238][ T73] __do_softirq+0x1b5/0x7f6 [ 2810.004238][ T73] [ 2810.005870][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.005870][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.005870][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.005870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.005870][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2810.005870][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2810.005870][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2810.005870][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2810.005870][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2810.005870][ T73] addrconf_dad_begin+0x310/0x670 [ 2810.005870][ T73] addrconf_dad_work+0x10b/0xab0 [ 2810.005870][ T73] process_one_work+0x84d/0x18a0 [ 2810.005870][ T73] worker_thread+0x587/0xd30 [ 2810.005870][ T73] kthread+0x28a/0x350 [ 2810.005870][ T73] ret_from_fork+0x31/0x70 [ 2810.005870][ T73] ret_from_fork_asm+0x1a/0x30 [ 2810.005870][ T73] [ 2810.007772][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.007772][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.007772][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.007772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.007772][ T73] ip6_route_add+0x1c/0x140 [ 2810.007772][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2810.007772][ T73] inet6_addr_add+0x4f8/0xa40 [ 2810.007772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.007772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.007772][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.007772][ T73] netlink_unicast+0x449/0x710 [ 2810.007772][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.007772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.007772][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.007772][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.007772][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.007772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.007772][ T73] [ 2810.009756][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.009756][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.009756][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.009756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.009756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2810.009756][ T73] ipv6_add_addr+0x411/0x2000 [ 2810.009756][ T73] inet6_addr_add+0x30e/0xa40 [ 2810.009756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.009756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.009756][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.009756][ T73] netlink_unicast+0x449/0x710 [ 2810.009756][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.009756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.009756][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.009756][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.009756][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.009756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.009756][ T73] [ 2810.011737][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.011737][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.011737][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.011737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.011737][ T73] ip6_route_add+0x1c/0x140 [ 2810.011737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2810.011737][ T73] addrconf_add_dev+0xe2/0x170 [ 2810.011737][ T73] inet6_addr_add+0x12f/0xa40 [ 2810.011737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.011737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.011737][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.011737][ T73] netlink_unicast+0x449/0x710 [ 2810.011737][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.011737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.011737][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.011737][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.011737][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.011737][ T73] [ 2810.013693][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.013693][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2810.013693][ T73] ipv6_find_idev+0x102/0x170 [ 2810.013693][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.013693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.013693][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.013693][ T73] netlink_unicast+0x449/0x710 [ 2810.013693][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.013693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.013693][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.013693][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.013693][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.013693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.013693][ T73] [ 2810.015214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2810.015214][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2810.015214][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2810.015214][ T73] ipv6_find_idev+0x102/0x170 [ 2810.015214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.015214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.015214][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.015214][ T73] netlink_unicast+0x449/0x710 [ 2810.015214][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.015214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.015214][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.015214][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.015214][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.015214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.015214][ T73] [ 2810.017034][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2810.017358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.017358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2810.017358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2810.017358][ T73] fib6_nh_init+0xa22/0x1580 [ 2810.017358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.017358][ T73] ip6_route_add+0x1c/0x140 [ 2810.017358][ T73] inet6_rtm_newroute+0x104/0x110 [ 2810.017358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.017358][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.017358][ T73] netlink_unicast+0x449/0x710 [ 2810.017358][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.017358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.017358][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.017358][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.017358][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.017358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.017358][ T73] [ 2810.019464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.019464][ T73] dst_init+0x84/0x4a0 [ 2810.019464][ T73] dst_alloc+0x97/0x150 [ 2810.019464][ T73] ip6_dst_alloc+0x23/0x90 [ 2810.019464][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.019464][ T73] ip6_pol_route+0x56f/0x840 [ 2810.019464][ T73] fib6_rule_lookup+0x456/0x630 [ 2810.019464][ T73] ip6_route_input+0x59c/0xa50 [ 2810.019464][ T73] ipv6_rcv+0x397/0x810 [ 2810.019464][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2810.019464][ T73] process_backlog+0x101/0x620 [ 2810.019464][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2810.019464][ T73] net_rx_action+0x495/0xbe0 [ 2810.019464][ T73] __do_softirq+0x1b5/0x7f6 [ 2810.019464][ T73] [ 2810.021264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.021264][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.021264][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.021264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.021264][ T73] ip6_route_add+0x1c/0x140 [ 2810.021264][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2810.021264][ T73] inet6_addr_add+0x4f8/0xa40 [ 2810.021264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.021264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.021264][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.021264][ T73] netlink_unicast+0x449/0x710 [ 2810.021264][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.021264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.021264][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.021264][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.021264][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.021264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.021264][ T73] [ 2810.023485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.023485][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.023485][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.023485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.023485][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2810.023485][ T73] ipv6_add_addr+0x411/0x2000 [ 2810.023485][ T73] inet6_addr_add+0x30e/0xa40 [ 2810.023485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.023485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.023485][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.023485][ T73] netlink_unicast+0x449/0x710 [ 2810.023485][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.023485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.023485][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.023485][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.023485][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.023485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.023485][ T73] [ 2810.025711][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.025711][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.025711][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.025711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.025711][ T73] ip6_route_add+0x1c/0x140 [ 2810.025711][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2810.025711][ T73] addrconf_add_dev+0xe2/0x170 [ 2810.025711][ T73] inet6_addr_add+0x12f/0xa40 [ 2810.025711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.025711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.025711][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.025711][ T73] netlink_unicast+0x449/0x710 [ 2810.025711][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.025711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.025711][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.025711][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.025711][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.025711][ T73] [ 2810.027971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.027971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2810.027971][ T73] ipv6_find_idev+0x102/0x170 [ 2810.027971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.027971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.027971][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.027971][ T73] netlink_unicast+0x449/0x710 [ 2810.027971][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.027971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.027971][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.027971][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.027971][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.027971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.027971][ T73] [ 2810.029679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2810.029679][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2810.029679][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2810.029679][ T73] ipv6_find_idev+0x102/0x170 [ 2810.029679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.029679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.029679][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.029679][ T73] netlink_unicast+0x449/0x710 [ 2810.029679][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.029679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.029679][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.029679][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.029679][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.029679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.029679][ T73] [ 2810.031523][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2810.031924][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2810.031924][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.031924][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.031924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.031924][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2810.031924][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2810.031924][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2810.031924][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2810.031924][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2810.031924][ T73] addrconf_dad_begin+0x310/0x670 [ 2810.031924][ T73] addrconf_dad_work+0x10b/0xab0 [ 2810.031924][ T73] process_one_work+0x84d/0x18a0 [ 2810.031924][ T73] worker_thread+0x587/0xd30 [ 2810.031924][ T73] kthread+0x28a/0x350 [ 2810.031924][ T73] ret_from_fork+0x31/0x70 [ 2810.031924][ T73] ret_from_fork_asm+0x1a/0x30 [ 2810.031924][ T73] [ 2810.034062][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2810.034062][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.034062][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.034062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.034062][ T73] ip6_route_add+0x1c/0x140 [ 2810.034062][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2810.034062][ T73] inet6_addr_add+0x4f8/0xa40 [ 2810.034062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.034062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.034062][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.034062][ T73] netlink_unicast+0x449/0x710 [ 2810.034062][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.034062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.034062][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.034062][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.034062][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.034062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.034062][ T73] [ 2810.036346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2810.036346][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.036346][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.036346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.036346][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2810.036346][ T73] ipv6_add_addr+0x411/0x2000 [ 2810.036346][ T73] inet6_addr_add+0x30e/0xa40 [ 2810.036346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.036346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.036346][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.036346][ T73] netlink_unicast+0x449/0x710 [ 2810.036346][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.036346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.036346][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.036346][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.036346][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.036346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.036346][ T73] [ 2810.038573][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2810.038573][ T73] netdev_get_by_index+0x5e/0x80 [ 2810.038573][ T73] fib6_nh_init+0x3d8/0x1580 [ 2810.038573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2810.038573][ T73] ip6_route_add+0x1c/0x140 [ 2810.038573][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2810.038573][ T73] addrconf_add_dev+0xe2/0x170 [ 2810.038573][ T73] inet6_addr_add+0x12f/0xa40 [ 2810.038573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.038573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.038573][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.038573][ T73] netlink_unicast+0x449/0x710 [ 2810.038573][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.038573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.038573][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.038573][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.038573][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.038573][ T73] [ 2810.040703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2810.040703][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2810.040703][ T73] ipv6_find_idev+0x102/0x170 [ 2810.040703][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.040703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.040703][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.040703][ T73] netlink_unicast+0x449/0x710 [ 2810.040703][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.040703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.040703][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.040703][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.040703][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.040703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.040703][ T73] [ 2810.042408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2810.042408][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2810.042408][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2810.042408][ T73] ipv6_find_idev+0x102/0x170 [ 2810.042408][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.042408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.042408][ T73] netlink_rcv_skb+0x130/0x360 [ 2810.042408][ T73] netlink_unicast+0x449/0x710 [ 2810.042408][ T73] netlink_sendmsg+0x723/0xbe0 [ 2810.042408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2810.042408][ T73] ___sys_sendmsg+0xee/0x170 [ 2810.042408][ T73] __sys_sendmsg+0xcd/0x170 [ 2810.042408][ T73] do_syscall_64+0xc6/0x1e0 [ 2810.042408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.042408][ T73] [ 2820.286921][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2820.287419][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.287419][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2820.287419][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2820.287419][ T73] fib6_nh_init+0xa22/0x1580 [ 2820.287419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.287419][ T73] ip6_route_add+0x1c/0x140 [ 2820.287419][ T73] inet6_rtm_newroute+0x104/0x110 [ 2820.287419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.287419][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.287419][ T73] netlink_unicast+0x449/0x710 [ 2820.287419][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.287419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.287419][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.287419][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.287419][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.287419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.287419][ T73] [ 2820.289311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.289311][ T73] dst_init+0x84/0x4a0 [ 2820.289311][ T73] dst_alloc+0x97/0x150 [ 2820.289311][ T73] ip6_dst_alloc+0x23/0x90 [ 2820.289311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.289311][ T73] ip6_pol_route+0x56f/0x840 [ 2820.289311][ T73] fib6_rule_lookup+0x456/0x630 [ 2820.289311][ T73] ip6_route_input+0x59c/0xa50 [ 2820.289311][ T73] ipv6_rcv+0x397/0x810 [ 2820.289311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2820.289311][ T73] process_backlog+0x101/0x620 [ 2820.289311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2820.289311][ T73] net_rx_action+0x495/0xbe0 [ 2820.289311][ T73] __do_softirq+0x1b5/0x7f6 [ 2820.289311][ T73] [ 2820.290943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.290943][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.290943][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.290943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.290943][ T73] ip6_route_add+0x1c/0x140 [ 2820.290943][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2820.290943][ T73] inet6_addr_add+0x4f8/0xa40 [ 2820.290943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.290943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.290943][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.290943][ T73] netlink_unicast+0x449/0x710 [ 2820.290943][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.290943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.290943][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.290943][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.290943][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.290943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.290943][ T73] [ 2820.292932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.292932][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.292932][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.292932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.292932][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2820.292932][ T73] ipv6_add_addr+0x411/0x2000 [ 2820.292932][ T73] inet6_addr_add+0x30e/0xa40 [ 2820.292932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.292932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.292932][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.292932][ T73] netlink_unicast+0x449/0x710 [ 2820.292932][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.292932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.292932][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.292932][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.292932][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.292932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.292932][ T73] [ 2820.294939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.294939][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.294939][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.294939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.294939][ T73] ip6_route_add+0x1c/0x140 [ 2820.294939][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.294939][ T73] addrconf_add_dev+0xe2/0x170 [ 2820.294939][ T73] inet6_addr_add+0x12f/0xa40 [ 2820.294939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.294939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.294939][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.294939][ T73] netlink_unicast+0x449/0x710 [ 2820.294939][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.294939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.294939][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.294939][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.294939][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.294939][ T73] [ 2820.296942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.296942][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2820.296942][ T73] ipv6_find_idev+0x102/0x170 [ 2820.296942][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.296942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.296942][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.296942][ T73] netlink_unicast+0x449/0x710 [ 2820.296942][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.296942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.296942][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.296942][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.296942][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.296942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.296942][ T73] [ 2820.298483][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2820.298483][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2820.298483][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2820.298483][ T73] ipv6_find_idev+0x102/0x170 [ 2820.298483][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.298483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.298483][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.298483][ T73] netlink_unicast+0x449/0x710 [ 2820.298483][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.298483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.298483][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.298483][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.298483][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.298483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.298483][ T73] [ 2820.300173][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2820.300453][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.300453][ T73] dst_init+0x84/0x4a0 [ 2820.300453][ T73] dst_alloc+0x97/0x150 [ 2820.300453][ T73] ip6_dst_alloc+0x23/0x90 [ 2820.300453][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.300453][ T73] ip6_pol_route+0x56f/0x840 [ 2820.300453][ T73] fib6_rule_lookup+0x456/0x630 [ 2820.300453][ T73] ip6_route_input+0x59c/0xa50 [ 2820.300453][ T73] ipv6_rcv+0x397/0x810 [ 2820.300453][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2820.300453][ T73] process_backlog+0x101/0x620 [ 2820.300453][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2820.300453][ T73] net_rx_action+0x495/0xbe0 [ 2820.300453][ T73] __do_softirq+0x1b5/0x7f6 [ 2820.300453][ T73] [ 2820.302079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.302079][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.302079][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.302079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.302079][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2820.302079][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2820.302079][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2820.302079][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2820.302079][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2820.302079][ T73] addrconf_dad_begin+0x310/0x670 [ 2820.302079][ T73] addrconf_dad_work+0x10b/0xab0 [ 2820.302079][ T73] process_one_work+0x84d/0x18a0 [ 2820.302079][ T73] worker_thread+0x587/0xd30 [ 2820.302079][ T73] kthread+0x28a/0x350 [ 2820.302079][ T73] ret_from_fork+0x31/0x70 [ 2820.302079][ T73] ret_from_fork_asm+0x1a/0x30 [ 2820.302079][ T73] [ 2820.303967][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.303967][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.303967][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.303967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.303967][ T73] ip6_route_add+0x1c/0x140 [ 2820.303967][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2820.303967][ T73] inet6_addr_add+0x4f8/0xa40 [ 2820.303967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.303967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.303967][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.303967][ T73] netlink_unicast+0x449/0x710 [ 2820.303967][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.303967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.303967][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.303967][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.303967][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.303967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.303967][ T73] [ 2820.305950][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.305950][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.305950][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.305950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.305950][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2820.305950][ T73] ipv6_add_addr+0x411/0x2000 [ 2820.305950][ T73] inet6_addr_add+0x30e/0xa40 [ 2820.305950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.305950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.305950][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.305950][ T73] netlink_unicast+0x449/0x710 [ 2820.305950][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.305950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.305950][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.305950][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.305950][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.305950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.305950][ T73] [ 2820.307945][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.307945][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.307945][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.307945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.307945][ T73] ip6_route_add+0x1c/0x140 [ 2820.307945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.307945][ T73] addrconf_add_dev+0xe2/0x170 [ 2820.307945][ T73] inet6_addr_add+0x12f/0xa40 [ 2820.307945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.307945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.307945][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.307945][ T73] netlink_unicast+0x449/0x710 [ 2820.307945][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.307945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.307945][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.307945][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.307945][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.307945][ T73] [ 2820.309885][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.309885][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2820.309885][ T73] ipv6_find_idev+0x102/0x170 [ 2820.309885][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.309885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.309885][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.309885][ T73] netlink_unicast+0x449/0x710 [ 2820.309885][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.309885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.309885][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.309885][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.309885][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.309885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.309885][ T73] [ 2820.311408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2820.311408][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2820.311408][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2820.311408][ T73] ipv6_find_idev+0x102/0x170 [ 2820.311408][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.311408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.311408][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.311408][ T73] netlink_unicast+0x449/0x710 [ 2820.311408][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.311408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.311408][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.311408][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.311408][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.311408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.311408][ T73] [ 2820.313215][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2820.313484][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.313484][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2820.313484][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2820.313484][ T73] fib6_nh_init+0xa22/0x1580 [ 2820.313484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.313484][ T73] ip6_route_add+0x1c/0x140 [ 2820.313484][ T73] inet6_rtm_newroute+0x104/0x110 [ 2820.313484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.313484][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.313484][ T73] netlink_unicast+0x449/0x710 [ 2820.313484][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.313484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.313484][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.313484][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.313484][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.313484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.313484][ T73] [ 2820.315584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.315584][ T73] dst_init+0x84/0x4a0 [ 2820.315584][ T73] dst_alloc+0x97/0x150 [ 2820.315584][ T73] ip6_dst_alloc+0x23/0x90 [ 2820.315584][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.315584][ T73] ip6_pol_route+0x56f/0x840 [ 2820.315584][ T73] fib6_rule_lookup+0x456/0x630 [ 2820.315584][ T73] ip6_route_input+0x59c/0xa50 [ 2820.315584][ T73] ipv6_rcv+0x397/0x810 [ 2820.315584][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2820.315584][ T73] process_backlog+0x101/0x620 [ 2820.315584][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2820.315584][ T73] net_rx_action+0x495/0xbe0 [ 2820.315584][ T73] __do_softirq+0x1b5/0x7f6 [ 2820.315584][ T73] [ 2820.317461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.317461][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.317461][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.317461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.317461][ T73] ip6_route_add+0x1c/0x140 [ 2820.317461][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2820.317461][ T73] inet6_addr_add+0x4f8/0xa40 [ 2820.317461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.317461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.317461][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.317461][ T73] netlink_unicast+0x449/0x710 [ 2820.317461][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.317461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.317461][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.317461][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.317461][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.317461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.317461][ T73] [ 2820.319699][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.319699][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.319699][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.319699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.319699][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2820.319699][ T73] ipv6_add_addr+0x411/0x2000 [ 2820.319699][ T73] inet6_addr_add+0x30e/0xa40 [ 2820.319699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.319699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.319699][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.319699][ T73] netlink_unicast+0x449/0x710 [ 2820.319699][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.319699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.319699][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.319699][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.319699][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.319699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.319699][ T73] [ 2820.321916][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.321916][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.321916][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.321916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.321916][ T73] ip6_route_add+0x1c/0x140 [ 2820.321916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.321916][ T73] addrconf_add_dev+0xe2/0x170 [ 2820.321916][ T73] inet6_addr_add+0x12f/0xa40 [ 2820.321916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.321916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.321916][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.321916][ T73] netlink_unicast+0x449/0x710 [ 2820.321916][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.321916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.321916][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.321916][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.321916][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.321916][ T73] [ 2820.324114][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.324114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2820.324114][ T73] ipv6_find_idev+0x102/0x170 [ 2820.324114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.324114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.324114][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.324114][ T73] netlink_unicast+0x449/0x710 [ 2820.324114][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.324114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.324114][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.324114][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.324114][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.324114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.324114][ T73] [ 2820.325824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2820.325824][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2820.325824][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2820.325824][ T73] ipv6_find_idev+0x102/0x170 [ 2820.325824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.325824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.325824][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.325824][ T73] netlink_unicast+0x449/0x710 [ 2820.325824][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.325824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.325824][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.325824][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.325824][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.325824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.325824][ T73] [ 2820.328268][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2820.328534][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2820.328534][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.328534][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.328534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.328534][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2820.328534][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2820.328534][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2820.328534][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2820.328534][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2820.328534][ T73] addrconf_dad_begin+0x310/0x670 [ 2820.328534][ T73] addrconf_dad_work+0x10b/0xab0 [ 2820.328534][ T73] process_one_work+0x84d/0x18a0 [ 2820.328534][ T73] worker_thread+0x587/0xd30 [ 2820.328534][ T73] kthread+0x28a/0x350 [ 2820.328534][ T73] ret_from_fork+0x31/0x70 [ 2820.328534][ T73] ret_from_fork_asm+0x1a/0x30 [ 2820.328534][ T73] [ 2820.330667][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2820.330667][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.330667][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.330667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.330667][ T73] ip6_route_add+0x1c/0x140 [ 2820.330667][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2820.330667][ T73] inet6_addr_add+0x4f8/0xa40 [ 2820.330667][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.330667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.330667][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.330667][ T73] netlink_unicast+0x449/0x710 [ 2820.330667][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.330667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.330667][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.330667][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.330667][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.330667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.330667][ T73] [ 2820.332895][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2820.332895][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.332895][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.332895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.332895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2820.332895][ T73] ipv6_add_addr+0x411/0x2000 [ 2820.332895][ T73] inet6_addr_add+0x30e/0xa40 [ 2820.332895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.332895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.332895][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.332895][ T73] netlink_unicast+0x449/0x710 [ 2820.332895][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.332895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.332895][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.332895][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.332895][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.332895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.332895][ T73] [ 2820.335114][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2820.335114][ T73] netdev_get_by_index+0x5e/0x80 [ 2820.335114][ T73] fib6_nh_init+0x3d8/0x1580 [ 2820.335114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2820.335114][ T73] ip6_route_add+0x1c/0x140 [ 2820.335114][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.335114][ T73] addrconf_add_dev+0xe2/0x170 [ 2820.335114][ T73] inet6_addr_add+0x12f/0xa40 [ 2820.335114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.335114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.335114][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.335114][ T73] netlink_unicast+0x449/0x710 [ 2820.335114][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.335114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.335114][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.335114][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.335114][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.335114][ T73] [ 2820.337310][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2820.337310][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2820.337310][ T73] ipv6_find_idev+0x102/0x170 [ 2820.337310][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.337310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.337310][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.337310][ T73] netlink_unicast+0x449/0x710 [ 2820.337310][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.337310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.337310][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.337310][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.337310][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.337310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.337310][ T73] [ 2820.339028][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2820.339028][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2820.339028][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2820.339028][ T73] ipv6_find_idev+0x102/0x170 [ 2820.339028][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.339028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.339028][ T73] netlink_rcv_skb+0x130/0x360 [ 2820.339028][ T73] netlink_unicast+0x449/0x710 [ 2820.339028][ T73] netlink_sendmsg+0x723/0xbe0 [ 2820.339028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2820.339028][ T73] ___sys_sendmsg+0xee/0x170 [ 2820.339028][ T73] __sys_sendmsg+0xcd/0x170 [ 2820.339028][ T73] do_syscall_64+0xc6/0x1e0 [ 2820.339028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.339028][ T73] [ 2830.582897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2830.583379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.583379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2830.583379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2830.583379][ T73] fib6_nh_init+0xa22/0x1580 [ 2830.583379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.583379][ T73] ip6_route_add+0x1c/0x140 [ 2830.583379][ T73] inet6_rtm_newroute+0x104/0x110 [ 2830.583379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.583379][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.583379][ T73] netlink_unicast+0x449/0x710 [ 2830.583379][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.583379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.583379][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.583379][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.583379][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.583379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.583379][ T73] [ 2830.585279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.585279][ T73] dst_init+0x84/0x4a0 [ 2830.585279][ T73] dst_alloc+0x97/0x150 [ 2830.585279][ T73] ip6_dst_alloc+0x23/0x90 [ 2830.585279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.585279][ T73] ip6_pol_route+0x56f/0x840 [ 2830.585279][ T73] fib6_rule_lookup+0x456/0x630 [ 2830.585279][ T73] ip6_route_input+0x59c/0xa50 [ 2830.585279][ T73] ipv6_rcv+0x397/0x810 [ 2830.585279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2830.585279][ T73] process_backlog+0x101/0x620 [ 2830.585279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2830.585279][ T73] net_rx_action+0x495/0xbe0 [ 2830.585279][ T73] __do_softirq+0x1b5/0x7f6 [ 2830.585279][ T73] [ 2830.586934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.586934][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.586934][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.586934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.586934][ T73] ip6_route_add+0x1c/0x140 [ 2830.586934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2830.586934][ T73] inet6_addr_add+0x4f8/0xa40 [ 2830.586934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.586934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.586934][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.586934][ T73] netlink_unicast+0x449/0x710 [ 2830.586934][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.586934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.586934][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.586934][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.586934][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.586934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.586934][ T73] [ 2830.588943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.588943][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.588943][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.588943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.588943][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2830.588943][ T73] ipv6_add_addr+0x411/0x2000 [ 2830.588943][ T73] inet6_addr_add+0x30e/0xa40 [ 2830.588943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.588943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.588943][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.588943][ T73] netlink_unicast+0x449/0x710 [ 2830.588943][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.588943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.588943][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.588943][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.588943][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.588943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.588943][ T73] [ 2830.590949][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.590949][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.590949][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.590949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.590949][ T73] ip6_route_add+0x1c/0x140 [ 2830.590949][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.590949][ T73] addrconf_add_dev+0xe2/0x170 [ 2830.590949][ T73] inet6_addr_add+0x12f/0xa40 [ 2830.590949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.590949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.590949][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.590949][ T73] netlink_unicast+0x449/0x710 [ 2830.590949][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.590949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.590949][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.590949][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.590949][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.590949][ T73] [ 2830.592921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.592921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2830.592921][ T73] ipv6_find_idev+0x102/0x170 [ 2830.592921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.592921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.592921][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.592921][ T73] netlink_unicast+0x449/0x710 [ 2830.592921][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.592921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.592921][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.592921][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.592921][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.592921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.592921][ T73] [ 2830.594472][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2830.594472][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2830.594472][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2830.594472][ T73] ipv6_find_idev+0x102/0x170 [ 2830.594472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.594472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.594472][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.594472][ T73] netlink_unicast+0x449/0x710 [ 2830.594472][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.594472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.594472][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.594472][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.594472][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.594472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.594472][ T73] [ 2830.596181][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2830.596453][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.596453][ T73] dst_init+0x84/0x4a0 [ 2830.596453][ T73] dst_alloc+0x97/0x150 [ 2830.596453][ T73] ip6_dst_alloc+0x23/0x90 [ 2830.596453][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.596453][ T73] ip6_pol_route+0x56f/0x840 [ 2830.596453][ T73] fib6_rule_lookup+0x456/0x630 [ 2830.596453][ T73] ip6_route_input+0x59c/0xa50 [ 2830.596453][ T73] ipv6_rcv+0x397/0x810 [ 2830.596453][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2830.596453][ T73] process_backlog+0x101/0x620 [ 2830.596453][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2830.596453][ T73] net_rx_action+0x495/0xbe0 [ 2830.596453][ T73] __do_softirq+0x1b5/0x7f6 [ 2830.596453][ T73] [ 2830.598116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.598116][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.598116][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.598116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.598116][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2830.598116][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2830.598116][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2830.598116][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2830.598116][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2830.598116][ T73] addrconf_dad_begin+0x310/0x670 [ 2830.598116][ T73] addrconf_dad_work+0x10b/0xab0 [ 2830.598116][ T73] process_one_work+0x84d/0x18a0 [ 2830.598116][ T73] worker_thread+0x587/0xd30 [ 2830.598116][ T73] kthread+0x28a/0x350 [ 2830.598116][ T73] ret_from_fork+0x31/0x70 [ 2830.598116][ T73] ret_from_fork_asm+0x1a/0x30 [ 2830.598116][ T73] [ 2830.600025][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.600025][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.600025][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.600025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.600025][ T73] ip6_route_add+0x1c/0x140 [ 2830.600025][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2830.600025][ T73] inet6_addr_add+0x4f8/0xa40 [ 2830.600025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.600025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.600025][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.600025][ T73] netlink_unicast+0x449/0x710 [ 2830.600025][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.600025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.600025][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.600025][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.600025][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.600025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.600025][ T73] [ 2830.602035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.602035][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.602035][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.602035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.602035][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2830.602035][ T73] ipv6_add_addr+0x411/0x2000 [ 2830.602035][ T73] inet6_addr_add+0x30e/0xa40 [ 2830.602035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.602035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.602035][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.602035][ T73] netlink_unicast+0x449/0x710 [ 2830.602035][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.602035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.602035][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.602035][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.602035][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.602035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.602035][ T73] [ 2830.604037][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.604037][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.604037][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.604037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.604037][ T73] ip6_route_add+0x1c/0x140 [ 2830.604037][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.604037][ T73] addrconf_add_dev+0xe2/0x170 [ 2830.604037][ T73] inet6_addr_add+0x12f/0xa40 [ 2830.604037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.604037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.604037][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.604037][ T73] netlink_unicast+0x449/0x710 [ 2830.604037][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.604037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.604037][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.604037][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.604037][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.604037][ T73] [ 2830.606009][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.606009][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2830.606009][ T73] ipv6_find_idev+0x102/0x170 [ 2830.606009][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.606009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.606009][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.606009][ T73] netlink_unicast+0x449/0x710 [ 2830.606009][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.606009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.606009][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.606009][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.606009][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.606009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.606009][ T73] [ 2830.607577][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2830.607577][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2830.607577][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2830.607577][ T73] ipv6_find_idev+0x102/0x170 [ 2830.607577][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.607577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.607577][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.607577][ T73] netlink_unicast+0x449/0x710 [ 2830.607577][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.607577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.607577][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.607577][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.607577][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.607577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.607577][ T73] [ 2830.609424][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2830.609695][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.609695][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2830.609695][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2830.609695][ T73] fib6_nh_init+0xa22/0x1580 [ 2830.609695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.609695][ T73] ip6_route_add+0x1c/0x140 [ 2830.609695][ T73] inet6_rtm_newroute+0x104/0x110 [ 2830.609695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.609695][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.609695][ T73] netlink_unicast+0x449/0x710 [ 2830.609695][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.609695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.609695][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.609695][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.609695][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.609695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.609695][ T73] [ 2830.611818][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.611818][ T73] dst_init+0x84/0x4a0 [ 2830.611818][ T73] dst_alloc+0x97/0x150 [ 2830.611818][ T73] ip6_dst_alloc+0x23/0x90 [ 2830.611818][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.611818][ T73] ip6_pol_route+0x56f/0x840 [ 2830.611818][ T73] fib6_rule_lookup+0x456/0x630 [ 2830.611818][ T73] ip6_route_input+0x59c/0xa50 [ 2830.611818][ T73] ipv6_rcv+0x397/0x810 [ 2830.611818][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2830.611818][ T73] process_backlog+0x101/0x620 [ 2830.611818][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2830.611818][ T73] net_rx_action+0x495/0xbe0 [ 2830.611818][ T73] __do_softirq+0x1b5/0x7f6 [ 2830.611818][ T73] [ 2830.613643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.613643][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.613643][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.613643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.613643][ T73] ip6_route_add+0x1c/0x140 [ 2830.613643][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2830.613643][ T73] inet6_addr_add+0x4f8/0xa40 [ 2830.613643][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.613643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.613643][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.613643][ T73] netlink_unicast+0x449/0x710 [ 2830.613643][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.613643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.613643][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.613643][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.613643][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.613643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.613643][ T73] [ 2830.615887][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.615887][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.615887][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.615887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.615887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2830.615887][ T73] ipv6_add_addr+0x411/0x2000 [ 2830.615887][ T73] inet6_addr_add+0x30e/0xa40 [ 2830.615887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.615887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.615887][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.615887][ T73] netlink_unicast+0x449/0x710 [ 2830.615887][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.615887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.615887][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.615887][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.615887][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.615887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.615887][ T73] [ 2830.618204][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.618204][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.618204][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.618204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.618204][ T73] ip6_route_add+0x1c/0x140 [ 2830.618204][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.618204][ T73] addrconf_add_dev+0xe2/0x170 [ 2830.618204][ T73] inet6_addr_add+0x12f/0xa40 [ 2830.618204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.618204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.618204][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.618204][ T73] netlink_unicast+0x449/0x710 [ 2830.618204][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.618204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.618204][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.618204][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.618204][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.618204][ T73] [ 2830.620359][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.620359][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2830.620359][ T73] ipv6_find_idev+0x102/0x170 [ 2830.620359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.620359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.620359][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.620359][ T73] netlink_unicast+0x449/0x710 [ 2830.620359][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.620359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.620359][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.620359][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.620359][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.620359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.620359][ T73] [ 2830.622079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2830.622079][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2830.622079][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2830.622079][ T73] ipv6_find_idev+0x102/0x170 [ 2830.622079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.622079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.622079][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.622079][ T73] netlink_unicast+0x449/0x710 [ 2830.622079][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.622079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.622079][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.622079][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.622079][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.622079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.622079][ T73] [ 2830.624001][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2830.624277][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2830.624277][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.624277][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.624277][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.624277][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2830.624277][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2830.624277][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2830.624277][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2830.624277][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2830.624277][ T73] addrconf_dad_begin+0x310/0x670 [ 2830.624277][ T73] addrconf_dad_work+0x10b/0xab0 [ 2830.624277][ T73] process_one_work+0x84d/0x18a0 [ 2830.624277][ T73] worker_thread+0x587/0xd30 [ 2830.624277][ T73] kthread+0x28a/0x350 [ 2830.624277][ T73] ret_from_fork+0x31/0x70 [ 2830.624277][ T73] ret_from_fork_asm+0x1a/0x30 [ 2830.624277][ T73] [ 2830.626432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2830.626432][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.626432][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.626432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.626432][ T73] ip6_route_add+0x1c/0x140 [ 2830.626432][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2830.626432][ T73] inet6_addr_add+0x4f8/0xa40 [ 2830.626432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.626432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.626432][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.626432][ T73] netlink_unicast+0x449/0x710 [ 2830.626432][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.626432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.626432][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.626432][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.626432][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.626432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.626432][ T73] [ 2830.628681][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2830.628681][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.628681][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.628681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.628681][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2830.628681][ T73] ipv6_add_addr+0x411/0x2000 [ 2830.628681][ T73] inet6_addr_add+0x30e/0xa40 [ 2830.628681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.628681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.628681][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.628681][ T73] netlink_unicast+0x449/0x710 [ 2830.628681][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.628681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.628681][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.628681][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.628681][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.628681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.628681][ T73] [ 2830.630918][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2830.630918][ T73] netdev_get_by_index+0x5e/0x80 [ 2830.630918][ T73] fib6_nh_init+0x3d8/0x1580 [ 2830.630918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2830.630918][ T73] ip6_route_add+0x1c/0x140 [ 2830.630918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.630918][ T73] addrconf_add_dev+0xe2/0x170 [ 2830.630918][ T73] inet6_addr_add+0x12f/0xa40 [ 2830.630918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.630918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.630918][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.630918][ T73] netlink_unicast+0x449/0x710 [ 2830.630918][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.630918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.630918][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.630918][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.630918][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.630918][ T73] [ 2830.633138][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2830.633138][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2830.633138][ T73] ipv6_find_idev+0x102/0x170 [ 2830.633138][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.633138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.633138][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.633138][ T73] netlink_unicast+0x449/0x710 [ 2830.633138][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.633138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.633138][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.633138][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.633138][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.633138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.633138][ T73] [ 2830.634858][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2830.634858][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2830.634858][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2830.634858][ T73] ipv6_find_idev+0x102/0x170 [ 2830.634858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.634858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.634858][ T73] netlink_rcv_skb+0x130/0x360 [ 2830.634858][ T73] netlink_unicast+0x449/0x710 [ 2830.634858][ T73] netlink_sendmsg+0x723/0xbe0 [ 2830.634858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2830.634858][ T73] ___sys_sendmsg+0xee/0x170 [ 2830.634858][ T73] __sys_sendmsg+0xcd/0x170 [ 2830.634858][ T73] do_syscall_64+0xc6/0x1e0 [ 2830.634858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.634858][ T73] [ 2840.726868][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2840.727357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.727357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2840.727357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2840.727357][ T73] fib6_nh_init+0xa22/0x1580 [ 2840.727357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.727357][ T73] ip6_route_add+0x1c/0x140 [ 2840.727357][ T73] inet6_rtm_newroute+0x104/0x110 [ 2840.727357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.727357][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.727357][ T73] netlink_unicast+0x449/0x710 [ 2840.727357][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.727357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.727357][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.727357][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.727357][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.727357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.727357][ T73] [ 2840.729382][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.729382][ T73] dst_init+0x84/0x4a0 [ 2840.729382][ T73] dst_alloc+0x97/0x150 [ 2840.729382][ T73] ip6_dst_alloc+0x23/0x90 [ 2840.729382][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2840.729382][ T73] ip6_pol_route+0x56f/0x840 [ 2840.729382][ T73] fib6_rule_lookup+0x456/0x630 [ 2840.729382][ T73] ip6_route_input+0x59c/0xa50 [ 2840.729382][ T73] ipv6_rcv+0x397/0x810 [ 2840.729382][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2840.729382][ T73] process_backlog+0x101/0x620 [ 2840.729382][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2840.729382][ T73] net_rx_action+0x495/0xbe0 [ 2840.729382][ T73] __do_softirq+0x1b5/0x7f6 [ 2840.729382][ T73] [ 2840.731274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.731274][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.731274][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.731274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.731274][ T73] ip6_route_add+0x1c/0x140 [ 2840.731274][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2840.731274][ T73] inet6_addr_add+0x4f8/0xa40 [ 2840.731274][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.731274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.731274][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.731274][ T73] netlink_unicast+0x449/0x710 [ 2840.731274][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.731274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.731274][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.731274][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.731274][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.731274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.731274][ T73] [ 2840.733463][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.733463][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.733463][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.733463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.733463][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2840.733463][ T73] ipv6_add_addr+0x411/0x2000 [ 2840.733463][ T73] inet6_addr_add+0x30e/0xa40 [ 2840.733463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.733463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.733463][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.733463][ T73] netlink_unicast+0x449/0x710 [ 2840.733463][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.733463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.733463][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.733463][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.733463][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.733463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.733463][ T73] [ 2840.735605][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.735605][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.735605][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.735605][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.735605][ T73] ip6_route_add+0x1c/0x140 [ 2840.735605][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.735605][ T73] addrconf_add_dev+0xe2/0x170 [ 2840.735605][ T73] inet6_addr_add+0x12f/0xa40 [ 2840.735605][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.735605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.735605][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.735605][ T73] netlink_unicast+0x449/0x710 [ 2840.735605][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.735605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.735605][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.735605][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.735605][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.735605][ T73] [ 2840.737767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.737767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2840.737767][ T73] ipv6_find_idev+0x102/0x170 [ 2840.737767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.737767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.737767][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.737767][ T73] netlink_unicast+0x449/0x710 [ 2840.737767][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.737767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.737767][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.737767][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.737767][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.737767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.737767][ T73] [ 2840.739447][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2840.739447][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2840.739447][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2840.739447][ T73] ipv6_find_idev+0x102/0x170 [ 2840.739447][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.739447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.739447][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.739447][ T73] netlink_unicast+0x449/0x710 [ 2840.739447][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.739447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.739447][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.739447][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.739447][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.739447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.739447][ T73] [ 2840.741256][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2840.741542][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.741542][ T73] dst_init+0x84/0x4a0 [ 2840.741542][ T73] dst_alloc+0x97/0x150 [ 2840.741542][ T73] ip6_dst_alloc+0x23/0x90 [ 2840.741542][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2840.741542][ T73] ip6_pol_route+0x56f/0x840 [ 2840.741542][ T73] fib6_rule_lookup+0x456/0x630 [ 2840.741542][ T73] ip6_route_input+0x59c/0xa50 [ 2840.741542][ T73] ipv6_rcv+0x397/0x810 [ 2840.741542][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2840.741542][ T73] process_backlog+0x101/0x620 [ 2840.741542][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2840.741542][ T73] net_rx_action+0x495/0xbe0 [ 2840.741542][ T73] __do_softirq+0x1b5/0x7f6 [ 2840.741542][ T73] [ 2840.743250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.743250][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.743250][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.743250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.743250][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2840.743250][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.743250][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2840.743250][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.743250][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2840.743250][ T73] addrconf_dad_begin+0x310/0x670 [ 2840.743250][ T73] addrconf_dad_work+0x10b/0xab0 [ 2840.743250][ T73] process_one_work+0x84d/0x18a0 [ 2840.743250][ T73] worker_thread+0x587/0xd30 [ 2840.743250][ T73] kthread+0x28a/0x350 [ 2840.743250][ T73] ret_from_fork+0x31/0x70 [ 2840.743250][ T73] ret_from_fork_asm+0x1a/0x30 [ 2840.743250][ T73] [ 2840.745176][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.745176][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.745176][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.745176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.745176][ T73] ip6_route_add+0x1c/0x140 [ 2840.745176][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2840.745176][ T73] inet6_addr_add+0x4f8/0xa40 [ 2840.745176][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.745176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.745176][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.745176][ T73] netlink_unicast+0x449/0x710 [ 2840.745176][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.745176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.745176][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.745176][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.745176][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.745176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.745176][ T73] [ 2840.747254][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.747254][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.747254][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.747254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.747254][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2840.747254][ T73] ipv6_add_addr+0x411/0x2000 [ 2840.747254][ T73] inet6_addr_add+0x30e/0xa40 [ 2840.747254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.747254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.747254][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.747254][ T73] netlink_unicast+0x449/0x710 [ 2840.747254][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.747254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.747254][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.747254][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.747254][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.747254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.747254][ T73] [ 2840.749371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.749371][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.749371][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.749371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.749371][ T73] ip6_route_add+0x1c/0x140 [ 2840.749371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.749371][ T73] addrconf_add_dev+0xe2/0x170 [ 2840.749371][ T73] inet6_addr_add+0x12f/0xa40 [ 2840.749371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.749371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.749371][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.749371][ T73] netlink_unicast+0x449/0x710 [ 2840.749371][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.749371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.749371][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.749371][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.749371][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.749371][ T73] [ 2840.751479][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.751479][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2840.751479][ T73] ipv6_find_idev+0x102/0x170 [ 2840.751479][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.751479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.751479][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.751479][ T73] netlink_unicast+0x449/0x710 [ 2840.751479][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.751479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.751479][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.751479][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.751479][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.751479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.751479][ T73] [ 2840.753103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2840.753103][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2840.753103][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2840.753103][ T73] ipv6_find_idev+0x102/0x170 [ 2840.753103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.753103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.753103][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.753103][ T73] netlink_unicast+0x449/0x710 [ 2840.753103][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.753103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.753103][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.753103][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.753103][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.753103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.753103][ T73] [ 2840.754973][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2840.755296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.755296][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2840.755296][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2840.755296][ T73] fib6_nh_init+0xa22/0x1580 [ 2840.755296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.755296][ T73] ip6_route_add+0x1c/0x140 [ 2840.755296][ T73] inet6_rtm_newroute+0x104/0x110 [ 2840.755296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.755296][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.755296][ T73] netlink_unicast+0x449/0x710 [ 2840.755296][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.755296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.755296][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.755296][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.755296][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.755296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.755296][ T73] [ 2840.757394][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.757394][ T73] dst_init+0x84/0x4a0 [ 2840.757394][ T73] dst_alloc+0x97/0x150 [ 2840.757394][ T73] ip6_dst_alloc+0x23/0x90 [ 2840.757394][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2840.757394][ T73] ip6_pol_route+0x56f/0x840 [ 2840.757394][ T73] fib6_rule_lookup+0x456/0x630 [ 2840.757394][ T73] ip6_route_input+0x59c/0xa50 [ 2840.757394][ T73] ipv6_rcv+0x397/0x810 [ 2840.757394][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2840.757394][ T73] process_backlog+0x101/0x620 [ 2840.757394][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2840.757394][ T73] net_rx_action+0x495/0xbe0 [ 2840.757394][ T73] __do_softirq+0x1b5/0x7f6 [ 2840.757394][ T73] [ 2840.759247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.759247][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.759247][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.759247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.759247][ T73] ip6_route_add+0x1c/0x140 [ 2840.759247][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2840.759247][ T73] inet6_addr_add+0x4f8/0xa40 [ 2840.759247][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.759247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.759247][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.759247][ T73] netlink_unicast+0x449/0x710 [ 2840.759247][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.759247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.759247][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.759247][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.759247][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.759247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.759247][ T73] [ 2840.761481][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.761481][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.761481][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.761481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.761481][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2840.761481][ T73] ipv6_add_addr+0x411/0x2000 [ 2840.761481][ T73] inet6_addr_add+0x30e/0xa40 [ 2840.761481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.761481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.761481][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.761481][ T73] netlink_unicast+0x449/0x710 [ 2840.761481][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.761481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.761481][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.761481][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.761481][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.761481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.761481][ T73] [ 2840.763703][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.763703][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.763703][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.763703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.763703][ T73] ip6_route_add+0x1c/0x140 [ 2840.763703][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.763703][ T73] addrconf_add_dev+0xe2/0x170 [ 2840.763703][ T73] inet6_addr_add+0x12f/0xa40 [ 2840.763703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.763703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.763703][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.763703][ T73] netlink_unicast+0x449/0x710 [ 2840.763703][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.763703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.763703][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.763703][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.763703][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.763703][ T73] [ 2840.765774][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.765774][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2840.765774][ T73] ipv6_find_idev+0x102/0x170 [ 2840.765774][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.765774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.765774][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.765774][ T73] netlink_unicast+0x449/0x710 [ 2840.765774][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.765774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.765774][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.765774][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.765774][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.765774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.765774][ T73] [ 2840.767478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2840.767478][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2840.767478][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2840.767478][ T73] ipv6_find_idev+0x102/0x170 [ 2840.767478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.767478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.767478][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.767478][ T73] netlink_unicast+0x449/0x710 [ 2840.767478][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.767478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.767478][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.767478][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.767478][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.767478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.767478][ T73] [ 2840.769316][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2840.769590][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2840.769590][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.769590][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.769590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.769590][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2840.769590][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.769590][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2840.769590][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.769590][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2840.769590][ T73] addrconf_dad_begin+0x310/0x670 [ 2840.769590][ T73] addrconf_dad_work+0x10b/0xab0 [ 2840.769590][ T73] process_one_work+0x84d/0x18a0 [ 2840.769590][ T73] worker_thread+0x587/0xd30 [ 2840.769590][ T73] kthread+0x28a/0x350 [ 2840.769590][ T73] ret_from_fork+0x31/0x70 [ 2840.769590][ T73] ret_from_fork_asm+0x1a/0x30 [ 2840.769590][ T73] [ 2840.771764][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2840.771764][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.771764][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.771764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.771764][ T73] ip6_route_add+0x1c/0x140 [ 2840.771764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2840.771764][ T73] inet6_addr_add+0x4f8/0xa40 [ 2840.771764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.771764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.771764][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.771764][ T73] netlink_unicast+0x449/0x710 [ 2840.771764][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.771764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.771764][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.771764][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.771764][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.771764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.771764][ T73] [ 2840.773880][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2840.773880][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.773880][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.773880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.773880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2840.773880][ T73] ipv6_add_addr+0x411/0x2000 [ 2840.773880][ T73] inet6_addr_add+0x30e/0xa40 [ 2840.773880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.773880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.773880][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.773880][ T73] netlink_unicast+0x449/0x710 [ 2840.773880][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.773880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.773880][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.773880][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.773880][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.773880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.773880][ T73] [ 2840.776144][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2840.776144][ T73] netdev_get_by_index+0x5e/0x80 [ 2840.776144][ T73] fib6_nh_init+0x3d8/0x1580 [ 2840.776144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2840.776144][ T73] ip6_route_add+0x1c/0x140 [ 2840.776144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.776144][ T73] addrconf_add_dev+0xe2/0x170 [ 2840.776144][ T73] inet6_addr_add+0x12f/0xa40 [ 2840.776144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.776144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.776144][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.776144][ T73] netlink_unicast+0x449/0x710 [ 2840.776144][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.776144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.776144][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.776144][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.776144][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.776144][ T73] [ 2840.778353][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2840.778353][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2840.778353][ T73] ipv6_find_idev+0x102/0x170 [ 2840.778353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.778353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.778353][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.778353][ T73] netlink_unicast+0x449/0x710 [ 2840.778353][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.778353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.778353][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.778353][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.778353][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.778353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.778353][ T73] [ 2840.780113][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2840.780113][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2840.780113][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2840.780113][ T73] ipv6_find_idev+0x102/0x170 [ 2840.780113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.780113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.780113][ T73] netlink_rcv_skb+0x130/0x360 [ 2840.780113][ T73] netlink_unicast+0x449/0x710 [ 2840.780113][ T73] netlink_sendmsg+0x723/0xbe0 [ 2840.780113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2840.780113][ T73] ___sys_sendmsg+0xee/0x170 [ 2840.780113][ T73] __sys_sendmsg+0xcd/0x170 [ 2840.780113][ T73] do_syscall_64+0xc6/0x1e0 [ 2840.780113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.780113][ T73] [ 2851.022913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2851.023310][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.023310][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2851.023310][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2851.023310][ T73] fib6_nh_init+0xa22/0x1580 [ 2851.023310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.023310][ T73] ip6_route_add+0x1c/0x140 [ 2851.023310][ T73] inet6_rtm_newroute+0x104/0x110 [ 2851.023310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.023310][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.023310][ T73] netlink_unicast+0x449/0x710 [ 2851.023310][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.023310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.023310][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.023310][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.023310][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.023310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.023310][ T73] [ 2851.025179][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.025179][ T73] dst_init+0x84/0x4a0 [ 2851.025179][ T73] dst_alloc+0x97/0x150 [ 2851.025179][ T73] ip6_dst_alloc+0x23/0x90 [ 2851.025179][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.025179][ T73] ip6_pol_route+0x56f/0x840 [ 2851.025179][ T73] fib6_rule_lookup+0x456/0x630 [ 2851.025179][ T73] ip6_route_input+0x59c/0xa50 [ 2851.025179][ T73] ipv6_rcv+0x397/0x810 [ 2851.025179][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2851.025179][ T73] process_backlog+0x101/0x620 [ 2851.025179][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2851.025179][ T73] net_rx_action+0x495/0xbe0 [ 2851.025179][ T73] __do_softirq+0x1b5/0x7f6 [ 2851.025179][ T73] [ 2851.026797][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.026797][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.026797][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.026797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.026797][ T73] ip6_route_add+0x1c/0x140 [ 2851.026797][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2851.026797][ T73] inet6_addr_add+0x4f8/0xa40 [ 2851.026797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.026797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.026797][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.026797][ T73] netlink_unicast+0x449/0x710 [ 2851.026797][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.026797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.026797][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.026797][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.026797][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.026797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.026797][ T73] [ 2851.028790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.028790][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.028790][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.028790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.028790][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2851.028790][ T73] ipv6_add_addr+0x411/0x2000 [ 2851.028790][ T73] inet6_addr_add+0x30e/0xa40 [ 2851.028790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.028790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.028790][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.028790][ T73] netlink_unicast+0x449/0x710 [ 2851.028790][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.028790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.028790][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.028790][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.028790][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.028790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.028790][ T73] [ 2851.030772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.030772][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.030772][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.030772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.030772][ T73] ip6_route_add+0x1c/0x140 [ 2851.030772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.030772][ T73] addrconf_add_dev+0xe2/0x170 [ 2851.030772][ T73] inet6_addr_add+0x12f/0xa40 [ 2851.030772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.030772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.030772][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.030772][ T73] netlink_unicast+0x449/0x710 [ 2851.030772][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.030772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.030772][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.030772][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.030772][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.030772][ T73] [ 2851.032719][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.032719][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2851.032719][ T73] ipv6_find_idev+0x102/0x170 [ 2851.032719][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.032719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.032719][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.032719][ T73] netlink_unicast+0x449/0x710 [ 2851.032719][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.032719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.032719][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.032719][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.032719][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.032719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.032719][ T73] [ 2851.034247][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2851.034247][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2851.034247][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2851.034247][ T73] ipv6_find_idev+0x102/0x170 [ 2851.034247][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.034247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.034247][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.034247][ T73] netlink_unicast+0x449/0x710 [ 2851.034247][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.034247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.034247][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.034247][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.034247][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.034247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.034247][ T73] [ 2851.036043][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2851.036311][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.036311][ T73] dst_init+0x84/0x4a0 [ 2851.036311][ T73] dst_alloc+0x97/0x150 [ 2851.036311][ T73] ip6_dst_alloc+0x23/0x90 [ 2851.036311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.036311][ T73] ip6_pol_route+0x56f/0x840 [ 2851.036311][ T73] fib6_rule_lookup+0x456/0x630 [ 2851.036311][ T73] ip6_route_input+0x59c/0xa50 [ 2851.036311][ T73] ipv6_rcv+0x397/0x810 [ 2851.036311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2851.036311][ T73] process_backlog+0x101/0x620 [ 2851.036311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2851.036311][ T73] net_rx_action+0x495/0xbe0 [ 2851.036311][ T73] __do_softirq+0x1b5/0x7f6 [ 2851.036311][ T73] [ 2851.037964][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.037964][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.037964][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.037964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.037964][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2851.037964][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2851.037964][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2851.037964][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2851.037964][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2851.037964][ T73] addrconf_dad_begin+0x310/0x670 [ 2851.037964][ T73] addrconf_dad_work+0x10b/0xab0 [ 2851.037964][ T73] process_one_work+0x84d/0x18a0 [ 2851.037964][ T73] worker_thread+0x587/0xd30 [ 2851.037964][ T73] kthread+0x28a/0x350 [ 2851.037964][ T73] ret_from_fork+0x31/0x70 [ 2851.037964][ T73] ret_from_fork_asm+0x1a/0x30 [ 2851.037964][ T73] [ 2851.039866][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.039866][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.039866][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.039866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.039866][ T73] ip6_route_add+0x1c/0x140 [ 2851.039866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2851.039866][ T73] inet6_addr_add+0x4f8/0xa40 [ 2851.039866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.039866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.039866][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.039866][ T73] netlink_unicast+0x449/0x710 [ 2851.039866][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.039866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.039866][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.039866][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.039866][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.039866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.039866][ T73] [ 2851.041851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.041851][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.041851][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.041851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.041851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2851.041851][ T73] ipv6_add_addr+0x411/0x2000 [ 2851.041851][ T73] inet6_addr_add+0x30e/0xa40 [ 2851.041851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.041851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.041851][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.041851][ T73] netlink_unicast+0x449/0x710 [ 2851.041851][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.041851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.041851][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.041851][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.041851][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.041851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.041851][ T73] [ 2851.043844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.043844][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.043844][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.043844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.043844][ T73] ip6_route_add+0x1c/0x140 [ 2851.043844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.043844][ T73] addrconf_add_dev+0xe2/0x170 [ 2851.043844][ T73] inet6_addr_add+0x12f/0xa40 [ 2851.043844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.043844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.043844][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.043844][ T73] netlink_unicast+0x449/0x710 [ 2851.043844][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.043844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.043844][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.043844][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.043844][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.043844][ T73] [ 2851.045786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.045786][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2851.045786][ T73] ipv6_find_idev+0x102/0x170 [ 2851.045786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.045786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.045786][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.045786][ T73] netlink_unicast+0x449/0x710 [ 2851.045786][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.045786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.045786][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.045786][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.045786][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.045786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.045786][ T73] [ 2851.047332][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2851.047332][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2851.047332][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2851.047332][ T73] ipv6_find_idev+0x102/0x170 [ 2851.047332][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.047332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.047332][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.047332][ T73] netlink_unicast+0x449/0x710 [ 2851.047332][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.047332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.047332][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.047332][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.047332][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.047332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.047332][ T73] [ 2851.049115][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2851.049401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.049401][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2851.049401][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2851.049401][ T73] fib6_nh_init+0xa22/0x1580 [ 2851.049401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.049401][ T73] ip6_route_add+0x1c/0x140 [ 2851.049401][ T73] inet6_rtm_newroute+0x104/0x110 [ 2851.049401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.049401][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.049401][ T73] netlink_unicast+0x449/0x710 [ 2851.049401][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.049401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.049401][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.049401][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.049401][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.049401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.049401][ T73] [ 2851.051564][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.051564][ T73] dst_init+0x84/0x4a0 [ 2851.051564][ T73] dst_alloc+0x97/0x150 [ 2851.051564][ T73] ip6_dst_alloc+0x23/0x90 [ 2851.051564][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.051564][ T73] ip6_pol_route+0x56f/0x840 [ 2851.051564][ T73] fib6_rule_lookup+0x456/0x630 [ 2851.051564][ T73] ip6_route_input+0x59c/0xa50 [ 2851.051564][ T73] ipv6_rcv+0x397/0x810 [ 2851.051564][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2851.051564][ T73] process_backlog+0x101/0x620 [ 2851.051564][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2851.051564][ T73] net_rx_action+0x495/0xbe0 [ 2851.051564][ T73] __do_softirq+0x1b5/0x7f6 [ 2851.051564][ T73] [ 2851.053363][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.053363][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.053363][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.053363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.053363][ T73] ip6_route_add+0x1c/0x140 [ 2851.053363][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2851.053363][ T73] inet6_addr_add+0x4f8/0xa40 [ 2851.053363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.053363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.053363][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.053363][ T73] netlink_unicast+0x449/0x710 [ 2851.053363][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.053363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.053363][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.053363][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.053363][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.053363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.053363][ T73] [ 2851.055584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.055584][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.055584][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.055584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.055584][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2851.055584][ T73] ipv6_add_addr+0x411/0x2000 [ 2851.055584][ T73] inet6_addr_add+0x30e/0xa40 [ 2851.055584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.055584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.055584][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.055584][ T73] netlink_unicast+0x449/0x710 [ 2851.055584][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.055584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.055584][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.055584][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.055584][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.055584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.055584][ T73] [ 2851.057747][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.057747][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.057747][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.057747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.057747][ T73] ip6_route_add+0x1c/0x140 [ 2851.057747][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.057747][ T73] addrconf_add_dev+0xe2/0x170 [ 2851.057747][ T73] inet6_addr_add+0x12f/0xa40 [ 2851.057747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.057747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.057747][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.057747][ T73] netlink_unicast+0x449/0x710 [ 2851.057747][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.057747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.057747][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.057747][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.057747][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.057747][ T73] [ 2851.059991][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.059991][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2851.059991][ T73] ipv6_find_idev+0x102/0x170 [ 2851.059991][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.059991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.059991][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.059991][ T73] netlink_unicast+0x449/0x710 [ 2851.059991][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.059991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.059991][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.059991][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.059991][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.059991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.059991][ T73] [ 2851.061692][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2851.061692][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2851.061692][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2851.061692][ T73] ipv6_find_idev+0x102/0x170 [ 2851.061692][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.061692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.061692][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.061692][ T73] netlink_unicast+0x449/0x710 [ 2851.061692][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.061692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.061692][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.061692][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.061692][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.061692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.061692][ T73] [ 2851.063600][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2851.063874][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2851.063874][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.063874][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.063874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.063874][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2851.063874][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2851.063874][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2851.063874][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2851.063874][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2851.063874][ T73] addrconf_dad_begin+0x310/0x670 [ 2851.063874][ T73] addrconf_dad_work+0x10b/0xab0 [ 2851.063874][ T73] process_one_work+0x84d/0x18a0 [ 2851.063874][ T73] worker_thread+0x587/0xd30 [ 2851.063874][ T73] kthread+0x28a/0x350 [ 2851.063874][ T73] ret_from_fork+0x31/0x70 [ 2851.063874][ T73] ret_from_fork_asm+0x1a/0x30 [ 2851.063874][ T73] [ 2851.066010][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2851.066010][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.066010][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.066010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.066010][ T73] ip6_route_add+0x1c/0x140 [ 2851.066010][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2851.066010][ T73] inet6_addr_add+0x4f8/0xa40 [ 2851.066010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.066010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.066010][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.066010][ T73] netlink_unicast+0x449/0x710 [ 2851.066010][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.066010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.066010][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.066010][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.066010][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.066010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.066010][ T73] [ 2851.068181][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2851.068181][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.068181][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.068181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.068181][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2851.068181][ T73] ipv6_add_addr+0x411/0x2000 [ 2851.068181][ T73] inet6_addr_add+0x30e/0xa40 [ 2851.068181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.068181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.068181][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.068181][ T73] netlink_unicast+0x449/0x710 [ 2851.068181][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.068181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.068181][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.068181][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.068181][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.068181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.068181][ T73] [ 2851.070468][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2851.070468][ T73] netdev_get_by_index+0x5e/0x80 [ 2851.070468][ T73] fib6_nh_init+0x3d8/0x1580 [ 2851.070468][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2851.070468][ T73] ip6_route_add+0x1c/0x140 [ 2851.070468][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.070468][ T73] addrconf_add_dev+0xe2/0x170 [ 2851.070468][ T73] inet6_addr_add+0x12f/0xa40 [ 2851.070468][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.070468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.070468][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.070468][ T73] netlink_unicast+0x449/0x710 [ 2851.070468][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.070468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.070468][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.070468][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.070468][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.070468][ T73] [ 2851.072659][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2851.072659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2851.072659][ T73] ipv6_find_idev+0x102/0x170 [ 2851.072659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.072659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.072659][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.072659][ T73] netlink_unicast+0x449/0x710 [ 2851.072659][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.072659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.072659][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.072659][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.072659][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.072659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.072659][ T73] [ 2851.074397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2851.074397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2851.074397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2851.074397][ T73] ipv6_find_idev+0x102/0x170 [ 2851.074397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.074397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.074397][ T73] netlink_rcv_skb+0x130/0x360 [ 2851.074397][ T73] netlink_unicast+0x449/0x710 [ 2851.074397][ T73] netlink_sendmsg+0x723/0xbe0 [ 2851.074397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2851.074397][ T73] ___sys_sendmsg+0xee/0x170 [ 2851.074397][ T73] __sys_sendmsg+0xcd/0x170 [ 2851.074397][ T73] do_syscall_64+0xc6/0x1e0 [ 2851.074397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.074397][ T73] [ 2861.318895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2861.319347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.319347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2861.319347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2861.319347][ T73] fib6_nh_init+0xa22/0x1580 [ 2861.319347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.319347][ T73] ip6_route_add+0x1c/0x140 [ 2861.319347][ T73] inet6_rtm_newroute+0x104/0x110 [ 2861.319347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.319347][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.319347][ T73] netlink_unicast+0x449/0x710 [ 2861.319347][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.319347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.319347][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.319347][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.319347][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.319347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.319347][ T73] [ 2861.321231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.321231][ T73] dst_init+0x84/0x4a0 [ 2861.321231][ T73] dst_alloc+0x97/0x150 [ 2861.321231][ T73] ip6_dst_alloc+0x23/0x90 [ 2861.321231][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.321231][ T73] ip6_pol_route+0x56f/0x840 [ 2861.321231][ T73] fib6_rule_lookup+0x456/0x630 [ 2861.321231][ T73] ip6_route_input+0x59c/0xa50 [ 2861.321231][ T73] ipv6_rcv+0x397/0x810 [ 2861.321231][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2861.321231][ T73] process_backlog+0x101/0x620 [ 2861.321231][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2861.321231][ T73] net_rx_action+0x495/0xbe0 [ 2861.321231][ T73] __do_softirq+0x1b5/0x7f6 [ 2861.321231][ T73] [ 2861.322863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.322863][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.322863][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.322863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.322863][ T73] ip6_route_add+0x1c/0x140 [ 2861.322863][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2861.322863][ T73] inet6_addr_add+0x4f8/0xa40 [ 2861.322863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.322863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.322863][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.322863][ T73] netlink_unicast+0x449/0x710 [ 2861.322863][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.322863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.322863][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.322863][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.322863][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.322863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.322863][ T73] [ 2861.324873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.324873][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.324873][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.324873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.324873][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2861.324873][ T73] ipv6_add_addr+0x411/0x2000 [ 2861.324873][ T73] inet6_addr_add+0x30e/0xa40 [ 2861.324873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.324873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.324873][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.324873][ T73] netlink_unicast+0x449/0x710 [ 2861.324873][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.324873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.324873][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.324873][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.324873][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.324873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.324873][ T73] [ 2861.326866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.326866][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.326866][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.326866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.326866][ T73] ip6_route_add+0x1c/0x140 [ 2861.326866][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.326866][ T73] addrconf_add_dev+0xe2/0x170 [ 2861.326866][ T73] inet6_addr_add+0x12f/0xa40 [ 2861.326866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.326866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.326866][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.326866][ T73] netlink_unicast+0x449/0x710 [ 2861.326866][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.326866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.326866][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.326866][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.326866][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.326866][ T73] [ 2861.328829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.328829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2861.328829][ T73] ipv6_find_idev+0x102/0x170 [ 2861.328829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.328829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.328829][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.328829][ T73] netlink_unicast+0x449/0x710 [ 2861.328829][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.328829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.328829][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.328829][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.328829][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.328829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.328829][ T73] [ 2861.330356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2861.330356][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2861.330356][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2861.330356][ T73] ipv6_find_idev+0x102/0x170 [ 2861.330356][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.330356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.330356][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.330356][ T73] netlink_unicast+0x449/0x710 [ 2861.330356][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.330356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.330356][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.330356][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.330356][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.330356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.330356][ T73] [ 2861.332040][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2861.332307][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.332307][ T73] dst_init+0x84/0x4a0 [ 2861.332307][ T73] dst_alloc+0x97/0x150 [ 2861.332307][ T73] ip6_dst_alloc+0x23/0x90 [ 2861.332307][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.332307][ T73] ip6_pol_route+0x56f/0x840 [ 2861.332307][ T73] fib6_rule_lookup+0x456/0x630 [ 2861.332307][ T73] ip6_route_input+0x59c/0xa50 [ 2861.332307][ T73] ipv6_rcv+0x397/0x810 [ 2861.332307][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2861.332307][ T73] process_backlog+0x101/0x620 [ 2861.332307][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2861.332307][ T73] net_rx_action+0x495/0xbe0 [ 2861.332307][ T73] __do_softirq+0x1b5/0x7f6 [ 2861.332307][ T73] [ 2861.333936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.333936][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.333936][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.333936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.333936][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2861.333936][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2861.333936][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2861.333936][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2861.333936][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2861.333936][ T73] addrconf_dad_begin+0x310/0x670 [ 2861.333936][ T73] addrconf_dad_work+0x10b/0xab0 [ 2861.333936][ T73] process_one_work+0x84d/0x18a0 [ 2861.333936][ T73] worker_thread+0x587/0xd30 [ 2861.333936][ T73] kthread+0x28a/0x350 [ 2861.333936][ T73] ret_from_fork+0x31/0x70 [ 2861.333936][ T73] ret_from_fork_asm+0x1a/0x30 [ 2861.333936][ T73] [ 2861.335855][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.335855][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.335855][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.335855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.335855][ T73] ip6_route_add+0x1c/0x140 [ 2861.335855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2861.335855][ T73] inet6_addr_add+0x4f8/0xa40 [ 2861.335855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.335855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.335855][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.335855][ T73] netlink_unicast+0x449/0x710 [ 2861.335855][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.335855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.335855][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.335855][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.335855][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.335855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.335855][ T73] [ 2861.337850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.337850][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.337850][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.337850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.337850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2861.337850][ T73] ipv6_add_addr+0x411/0x2000 [ 2861.337850][ T73] inet6_addr_add+0x30e/0xa40 [ 2861.337850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.337850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.337850][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.337850][ T73] netlink_unicast+0x449/0x710 [ 2861.337850][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.337850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.337850][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.337850][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.337850][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.337850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.337850][ T73] [ 2861.339847][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.339847][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.339847][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.339847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.339847][ T73] ip6_route_add+0x1c/0x140 [ 2861.339847][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.339847][ T73] addrconf_add_dev+0xe2/0x170 [ 2861.339847][ T73] inet6_addr_add+0x12f/0xa40 [ 2861.339847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.339847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.339847][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.339847][ T73] netlink_unicast+0x449/0x710 [ 2861.339847][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.339847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.339847][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.339847][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.339847][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.339847][ T73] [ 2861.341819][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.341819][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2861.341819][ T73] ipv6_find_idev+0x102/0x170 [ 2861.341819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.341819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.341819][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.341819][ T73] netlink_unicast+0x449/0x710 [ 2861.341819][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.341819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.341819][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.341819][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.341819][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.341819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.341819][ T73] [ 2861.343348][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2861.343348][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2861.343348][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2861.343348][ T73] ipv6_find_idev+0x102/0x170 [ 2861.343348][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.343348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.343348][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.343348][ T73] netlink_unicast+0x449/0x710 [ 2861.343348][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.343348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.343348][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.343348][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.343348][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.343348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.343348][ T73] [ 2861.345162][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2861.345430][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.345430][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2861.345430][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2861.345430][ T73] fib6_nh_init+0xa22/0x1580 [ 2861.345430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.345430][ T73] ip6_route_add+0x1c/0x140 [ 2861.345430][ T73] inet6_rtm_newroute+0x104/0x110 [ 2861.345430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.345430][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.345430][ T73] netlink_unicast+0x449/0x710 [ 2861.345430][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.345430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.345430][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.345430][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.345430][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.345430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.345430][ T73] [ 2861.347610][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.347610][ T73] dst_init+0x84/0x4a0 [ 2861.347610][ T73] dst_alloc+0x97/0x150 [ 2861.347610][ T73] ip6_dst_alloc+0x23/0x90 [ 2861.347610][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.347610][ T73] ip6_pol_route+0x56f/0x840 [ 2861.347610][ T73] fib6_rule_lookup+0x456/0x630 [ 2861.347610][ T73] ip6_route_input+0x59c/0xa50 [ 2861.347610][ T73] ipv6_rcv+0x397/0x810 [ 2861.347610][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2861.347610][ T73] process_backlog+0x101/0x620 [ 2861.347610][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2861.347610][ T73] net_rx_action+0x495/0xbe0 [ 2861.347610][ T73] __do_softirq+0x1b5/0x7f6 [ 2861.347610][ T73] [ 2861.349414][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.349414][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.349414][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.349414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.349414][ T73] ip6_route_add+0x1c/0x140 [ 2861.349414][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2861.349414][ T73] inet6_addr_add+0x4f8/0xa40 [ 2861.349414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.349414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.349414][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.349414][ T73] netlink_unicast+0x449/0x710 [ 2861.349414][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.349414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.349414][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.349414][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.349414][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.349414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.349414][ T73] [ 2861.351643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.351643][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.351643][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.351643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.351643][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2861.351643][ T73] ipv6_add_addr+0x411/0x2000 [ 2861.351643][ T73] inet6_addr_add+0x30e/0xa40 [ 2861.351643][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.351643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.351643][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.351643][ T73] netlink_unicast+0x449/0x710 [ 2861.351643][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.351643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.351643][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.351643][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.351643][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.351643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.351643][ T73] [ 2861.353806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.353806][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.353806][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.353806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.353806][ T73] ip6_route_add+0x1c/0x140 [ 2861.353806][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.353806][ T73] addrconf_add_dev+0xe2/0x170 [ 2861.353806][ T73] inet6_addr_add+0x12f/0xa40 [ 2861.353806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.353806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.353806][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.353806][ T73] netlink_unicast+0x449/0x710 [ 2861.353806][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.353806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.353806][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.353806][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.353806][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.353806][ T73] [ 2861.356072][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.356072][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2861.356072][ T73] ipv6_find_idev+0x102/0x170 [ 2861.356072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.356072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.356072][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.356072][ T73] netlink_unicast+0x449/0x710 [ 2861.356072][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.356072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.356072][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.356072][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.356072][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.356072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.356072][ T73] [ 2861.357788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2861.357788][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2861.357788][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2861.357788][ T73] ipv6_find_idev+0x102/0x170 [ 2861.357788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.357788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.357788][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.357788][ T73] netlink_unicast+0x449/0x710 [ 2861.357788][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.357788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.357788][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.357788][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.357788][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.357788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.357788][ T73] [ 2861.359707][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2861.360410][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2861.360410][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.360410][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.360410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.360410][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2861.360410][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2861.360410][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2861.360410][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2861.360410][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2861.360410][ T73] addrconf_dad_begin+0x310/0x670 [ 2861.360410][ T73] addrconf_dad_work+0x10b/0xab0 [ 2861.360410][ T73] process_one_work+0x84d/0x18a0 [ 2861.360410][ T73] worker_thread+0x587/0xd30 [ 2861.360410][ T73] kthread+0x28a/0x350 [ 2861.360410][ T73] ret_from_fork+0x31/0x70 [ 2861.360410][ T73] ret_from_fork_asm+0x1a/0x30 [ 2861.360410][ T73] [ 2861.362309][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2861.362309][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.362309][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.362309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.362309][ T73] ip6_route_add+0x1c/0x140 [ 2861.362309][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2861.362309][ T73] inet6_addr_add+0x4f8/0xa40 [ 2861.362309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.362309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.362309][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.362309][ T73] netlink_unicast+0x449/0x710 [ 2861.362309][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.362309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.362309][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.362309][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.362309][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.362309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.362309][ T73] [ 2861.364357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2861.364357][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.364357][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.364357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.364357][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2861.364357][ T73] ipv6_add_addr+0x411/0x2000 [ 2861.364357][ T73] inet6_addr_add+0x30e/0xa40 [ 2861.364357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.364357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.364357][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.364357][ T73] netlink_unicast+0x449/0x710 [ 2861.364357][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.364357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.364357][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.364357][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.364357][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.364357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.364357][ T73] [ 2861.366588][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2861.366588][ T73] netdev_get_by_index+0x5e/0x80 [ 2861.366588][ T73] fib6_nh_init+0x3d8/0x1580 [ 2861.366588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2861.366588][ T73] ip6_route_add+0x1c/0x140 [ 2861.366588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.366588][ T73] addrconf_add_dev+0xe2/0x170 [ 2861.366588][ T73] inet6_addr_add+0x12f/0xa40 [ 2861.366588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.366588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.366588][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.366588][ T73] netlink_unicast+0x449/0x710 [ 2861.366588][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.366588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.366588][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.366588][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.366588][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.366588][ T73] [ 2861.368863][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2861.368863][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2861.368863][ T73] ipv6_find_idev+0x102/0x170 [ 2861.368863][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.368863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.368863][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.368863][ T73] netlink_unicast+0x449/0x710 [ 2861.368863][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.368863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.368863][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.368863][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.368863][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.368863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.368863][ T73] [ 2861.370583][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2861.370583][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2861.370583][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2861.370583][ T73] ipv6_find_idev+0x102/0x170 [ 2861.370583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.370583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.370583][ T73] netlink_rcv_skb+0x130/0x360 [ 2861.370583][ T73] netlink_unicast+0x449/0x710 [ 2861.370583][ T73] netlink_sendmsg+0x723/0xbe0 [ 2861.370583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2861.370583][ T73] ___sys_sendmsg+0xee/0x170 [ 2861.370583][ T73] __sys_sendmsg+0xcd/0x170 [ 2861.370583][ T73] do_syscall_64+0xc6/0x1e0 [ 2861.370583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.370583][ T73] [ 2871.614902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2871.615342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.615342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2871.615342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2871.615342][ T73] fib6_nh_init+0xa22/0x1580 [ 2871.615342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.615342][ T73] ip6_route_add+0x1c/0x140 [ 2871.615342][ T73] inet6_rtm_newroute+0x104/0x110 [ 2871.615342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.615342][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.615342][ T73] netlink_unicast+0x449/0x710 [ 2871.615342][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.615342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.615342][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.615342][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.615342][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.615342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.615342][ T73] [ 2871.617241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.617241][ T73] dst_init+0x84/0x4a0 [ 2871.617241][ T73] dst_alloc+0x97/0x150 [ 2871.617241][ T73] ip6_dst_alloc+0x23/0x90 [ 2871.617241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.617241][ T73] ip6_pol_route+0x56f/0x840 [ 2871.617241][ T73] fib6_rule_lookup+0x456/0x630 [ 2871.617241][ T73] ip6_route_input+0x59c/0xa50 [ 2871.617241][ T73] ipv6_rcv+0x397/0x810 [ 2871.617241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2871.617241][ T73] process_backlog+0x101/0x620 [ 2871.617241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2871.617241][ T73] net_rx_action+0x495/0xbe0 [ 2871.617241][ T73] __do_softirq+0x1b5/0x7f6 [ 2871.617241][ T73] [ 2871.618869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.618869][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.618869][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.618869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.618869][ T73] ip6_route_add+0x1c/0x140 [ 2871.618869][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2871.618869][ T73] inet6_addr_add+0x4f8/0xa40 [ 2871.618869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.618869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.618869][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.618869][ T73] netlink_unicast+0x449/0x710 [ 2871.618869][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.618869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.618869][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.618869][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.618869][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.618869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.618869][ T73] [ 2871.620858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.620858][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.620858][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.620858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.620858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2871.620858][ T73] ipv6_add_addr+0x411/0x2000 [ 2871.620858][ T73] inet6_addr_add+0x30e/0xa40 [ 2871.620858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.620858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.620858][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.620858][ T73] netlink_unicast+0x449/0x710 [ 2871.620858][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.620858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.620858][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.620858][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.620858][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.620858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.620858][ T73] [ 2871.622858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.622858][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.622858][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.622858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.622858][ T73] ip6_route_add+0x1c/0x140 [ 2871.622858][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.622858][ T73] addrconf_add_dev+0xe2/0x170 [ 2871.622858][ T73] inet6_addr_add+0x12f/0xa40 [ 2871.622858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.622858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.622858][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.622858][ T73] netlink_unicast+0x449/0x710 [ 2871.622858][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.622858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.622858][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.622858][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.622858][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.622858][ T73] [ 2871.624813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.624813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2871.624813][ T73] ipv6_find_idev+0x102/0x170 [ 2871.624813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.624813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.624813][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.624813][ T73] netlink_unicast+0x449/0x710 [ 2871.624813][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.624813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.624813][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.624813][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.624813][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.624813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.624813][ T73] [ 2871.626346][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2871.626346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2871.626346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2871.626346][ T73] ipv6_find_idev+0x102/0x170 [ 2871.626346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.626346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.626346][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.626346][ T73] netlink_unicast+0x449/0x710 [ 2871.626346][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.626346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.626346][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.626346][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.626346][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.626346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.626346][ T73] [ 2871.628034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2871.628305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.628305][ T73] dst_init+0x84/0x4a0 [ 2871.628305][ T73] dst_alloc+0x97/0x150 [ 2871.628305][ T73] ip6_dst_alloc+0x23/0x90 [ 2871.628305][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.628305][ T73] ip6_pol_route+0x56f/0x840 [ 2871.628305][ T73] fib6_rule_lookup+0x456/0x630 [ 2871.628305][ T73] ip6_route_input+0x59c/0xa50 [ 2871.628305][ T73] ipv6_rcv+0x397/0x810 [ 2871.628305][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2871.628305][ T73] process_backlog+0x101/0x620 [ 2871.628305][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2871.628305][ T73] net_rx_action+0x495/0xbe0 [ 2871.628305][ T73] __do_softirq+0x1b5/0x7f6 [ 2871.628305][ T73] [ 2871.629946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.629946][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.629946][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.629946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.629946][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2871.629946][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2871.629946][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2871.629946][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2871.629946][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2871.629946][ T73] addrconf_dad_begin+0x310/0x670 [ 2871.629946][ T73] addrconf_dad_work+0x10b/0xab0 [ 2871.629946][ T73] process_one_work+0x84d/0x18a0 [ 2871.629946][ T73] worker_thread+0x587/0xd30 [ 2871.629946][ T73] kthread+0x28a/0x350 [ 2871.629946][ T73] ret_from_fork+0x31/0x70 [ 2871.629946][ T73] ret_from_fork_asm+0x1a/0x30 [ 2871.629946][ T73] [ 2871.631853][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.631853][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.631853][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.631853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.631853][ T73] ip6_route_add+0x1c/0x140 [ 2871.631853][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2871.631853][ T73] inet6_addr_add+0x4f8/0xa40 [ 2871.631853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.631853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.631853][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.631853][ T73] netlink_unicast+0x449/0x710 [ 2871.631853][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.631853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.631853][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.631853][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.631853][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.631853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.631853][ T73] [ 2871.633851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.633851][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.633851][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.633851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.633851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2871.633851][ T73] ipv6_add_addr+0x411/0x2000 [ 2871.633851][ T73] inet6_addr_add+0x30e/0xa40 [ 2871.633851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.633851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.633851][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.633851][ T73] netlink_unicast+0x449/0x710 [ 2871.633851][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.633851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.633851][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.633851][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.633851][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.633851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.633851][ T73] [ 2871.635833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.635833][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.635833][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.635833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.635833][ T73] ip6_route_add+0x1c/0x140 [ 2871.635833][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.635833][ T73] addrconf_add_dev+0xe2/0x170 [ 2871.635833][ T73] inet6_addr_add+0x12f/0xa40 [ 2871.635833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.635833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.635833][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.635833][ T73] netlink_unicast+0x449/0x710 [ 2871.635833][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.635833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.635833][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.635833][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.635833][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.635833][ T73] [ 2871.637790][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.637790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2871.637790][ T73] ipv6_find_idev+0x102/0x170 [ 2871.637790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.637790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.637790][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.637790][ T73] netlink_unicast+0x449/0x710 [ 2871.637790][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.637790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.637790][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.637790][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.637790][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.637790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.637790][ T73] [ 2871.639316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2871.639316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2871.639316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2871.639316][ T73] ipv6_find_idev+0x102/0x170 [ 2871.639316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.639316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.639316][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.639316][ T73] netlink_unicast+0x449/0x710 [ 2871.639316][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.639316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.639316][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.639316][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.639316][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.639316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.639316][ T73] [ 2871.641064][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2871.641328][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.641328][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2871.641328][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2871.641328][ T73] fib6_nh_init+0xa22/0x1580 [ 2871.641328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.641328][ T73] ip6_route_add+0x1c/0x140 [ 2871.641328][ T73] inet6_rtm_newroute+0x104/0x110 [ 2871.641328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.641328][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.641328][ T73] netlink_unicast+0x449/0x710 [ 2871.641328][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.641328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.641328][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.641328][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.641328][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.641328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.641328][ T73] [ 2871.643404][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.643404][ T73] dst_init+0x84/0x4a0 [ 2871.643404][ T73] dst_alloc+0x97/0x150 [ 2871.643404][ T73] ip6_dst_alloc+0x23/0x90 [ 2871.643404][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.643404][ T73] ip6_pol_route+0x56f/0x840 [ 2871.643404][ T73] fib6_rule_lookup+0x456/0x630 [ 2871.643404][ T73] ip6_route_input+0x59c/0xa50 [ 2871.643404][ T73] ipv6_rcv+0x397/0x810 [ 2871.643404][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2871.643404][ T73] process_backlog+0x101/0x620 [ 2871.643404][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2871.643404][ T73] net_rx_action+0x495/0xbe0 [ 2871.643404][ T73] __do_softirq+0x1b5/0x7f6 [ 2871.643404][ T73] [ 2871.645091][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.645091][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.645091][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.645091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.645091][ T73] ip6_route_add+0x1c/0x140 [ 2871.645091][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2871.645091][ T73] inet6_addr_add+0x4f8/0xa40 [ 2871.645091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.645091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.645091][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.645091][ T73] netlink_unicast+0x449/0x710 [ 2871.645091][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.645091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.645091][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.645091][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.645091][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.645091][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.645091][ T73] [ 2871.647211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.647211][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.647211][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.647211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.647211][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2871.647211][ T73] ipv6_add_addr+0x411/0x2000 [ 2871.647211][ T73] inet6_addr_add+0x30e/0xa40 [ 2871.647211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.647211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.647211][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.647211][ T73] netlink_unicast+0x449/0x710 [ 2871.647211][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.647211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.647211][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.647211][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.647211][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.647211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.647211][ T73] [ 2871.649333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.649333][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.649333][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.649333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.649333][ T73] ip6_route_add+0x1c/0x140 [ 2871.649333][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.649333][ T73] addrconf_add_dev+0xe2/0x170 [ 2871.649333][ T73] inet6_addr_add+0x12f/0xa40 [ 2871.649333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.649333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.649333][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.649333][ T73] netlink_unicast+0x449/0x710 [ 2871.649333][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.649333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.649333][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.649333][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.649333][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.649333][ T73] [ 2871.651419][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.651419][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2871.651419][ T73] ipv6_find_idev+0x102/0x170 [ 2871.651419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.651419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.651419][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.651419][ T73] netlink_unicast+0x449/0x710 [ 2871.651419][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.651419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.651419][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.651419][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.651419][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.651419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.651419][ T73] [ 2871.653026][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2871.653026][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2871.653026][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2871.653026][ T73] ipv6_find_idev+0x102/0x170 [ 2871.653026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.653026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.653026][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.653026][ T73] netlink_unicast+0x449/0x710 [ 2871.653026][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.653026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.653026][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.653026][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.653026][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.653026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.653026][ T73] [ 2871.654834][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2871.655099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2871.655099][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.655099][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.655099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.655099][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2871.655099][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2871.655099][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2871.655099][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2871.655099][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2871.655099][ T73] addrconf_dad_begin+0x310/0x670 [ 2871.655099][ T73] addrconf_dad_work+0x10b/0xab0 [ 2871.655099][ T73] process_one_work+0x84d/0x18a0 [ 2871.655099][ T73] worker_thread+0x587/0xd30 [ 2871.655099][ T73] kthread+0x28a/0x350 [ 2871.655099][ T73] ret_from_fork+0x31/0x70 [ 2871.655099][ T73] ret_from_fork_asm+0x1a/0x30 [ 2871.655099][ T73] [ 2871.657243][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2871.657243][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.657243][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.657243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.657243][ T73] ip6_route_add+0x1c/0x140 [ 2871.657243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2871.657243][ T73] inet6_addr_add+0x4f8/0xa40 [ 2871.657243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.657243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.657243][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.657243][ T73] netlink_unicast+0x449/0x710 [ 2871.657243][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.657243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.657243][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.657243][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.657243][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.657243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.657243][ T73] [ 2871.659416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2871.659416][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.659416][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.659416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.659416][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2871.659416][ T73] ipv6_add_addr+0x411/0x2000 [ 2871.659416][ T73] inet6_addr_add+0x30e/0xa40 [ 2871.659416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.659416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.659416][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.659416][ T73] netlink_unicast+0x449/0x710 [ 2871.659416][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.659416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.659416][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.659416][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.659416][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.659416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.659416][ T73] [ 2871.661706][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2871.661706][ T73] netdev_get_by_index+0x5e/0x80 [ 2871.661706][ T73] fib6_nh_init+0x3d8/0x1580 [ 2871.661706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2871.661706][ T73] ip6_route_add+0x1c/0x140 [ 2871.661706][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.661706][ T73] addrconf_add_dev+0xe2/0x170 [ 2871.661706][ T73] inet6_addr_add+0x12f/0xa40 [ 2871.661706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.661706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.661706][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.661706][ T73] netlink_unicast+0x449/0x710 [ 2871.661706][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.661706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.661706][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.661706][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.661706][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.661706][ T73] [ 2871.663895][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2871.663895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2871.663895][ T73] ipv6_find_idev+0x102/0x170 [ 2871.663895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.663895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.663895][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.663895][ T73] netlink_unicast+0x449/0x710 [ 2871.663895][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.663895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.663895][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.663895][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.663895][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.663895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.663895][ T73] [ 2871.665604][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2871.665604][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2871.665604][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2871.665604][ T73] ipv6_find_idev+0x102/0x170 [ 2871.665604][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.665604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.665604][ T73] netlink_rcv_skb+0x130/0x360 [ 2871.665604][ T73] netlink_unicast+0x449/0x710 [ 2871.665604][ T73] netlink_sendmsg+0x723/0xbe0 [ 2871.665604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2871.665604][ T73] ___sys_sendmsg+0xee/0x170 [ 2871.665604][ T73] __sys_sendmsg+0xcd/0x170 [ 2871.665604][ T73] do_syscall_64+0xc6/0x1e0 [ 2871.665604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.665604][ T73] [ 2881.910834][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2881.911290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.911290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2881.911290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2881.911290][ T73] fib6_nh_init+0xa22/0x1580 [ 2881.911290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.911290][ T73] ip6_route_add+0x1c/0x140 [ 2881.911290][ T73] inet6_rtm_newroute+0x104/0x110 [ 2881.911290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.911290][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.911290][ T73] netlink_unicast+0x449/0x710 [ 2881.911290][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.911290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.911290][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.911290][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.911290][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.911290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.911290][ T73] [ 2881.913176][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.913176][ T73] dst_init+0x84/0x4a0 [ 2881.913176][ T73] dst_alloc+0x97/0x150 [ 2881.913176][ T73] ip6_dst_alloc+0x23/0x90 [ 2881.913176][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.913176][ T73] ip6_pol_route+0x56f/0x840 [ 2881.913176][ T73] fib6_rule_lookup+0x456/0x630 [ 2881.913176][ T73] ip6_route_input+0x59c/0xa50 [ 2881.913176][ T73] ipv6_rcv+0x397/0x810 [ 2881.913176][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2881.913176][ T73] process_backlog+0x101/0x620 [ 2881.913176][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2881.913176][ T73] net_rx_action+0x495/0xbe0 [ 2881.913176][ T73] __do_softirq+0x1b5/0x7f6 [ 2881.913176][ T73] [ 2881.914810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.914810][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.914810][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.914810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.914810][ T73] ip6_route_add+0x1c/0x140 [ 2881.914810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2881.914810][ T73] inet6_addr_add+0x4f8/0xa40 [ 2881.914810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.914810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.914810][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.914810][ T73] netlink_unicast+0x449/0x710 [ 2881.914810][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.914810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.914810][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.914810][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.914810][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.914810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.914810][ T73] [ 2881.916815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.916815][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.916815][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.916815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.916815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2881.916815][ T73] ipv6_add_addr+0x411/0x2000 [ 2881.916815][ T73] inet6_addr_add+0x30e/0xa40 [ 2881.916815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.916815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.916815][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.916815][ T73] netlink_unicast+0x449/0x710 [ 2881.916815][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.916815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.916815][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.916815][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.916815][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.916815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.916815][ T73] [ 2881.918824][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.918824][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.918824][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.918824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.918824][ T73] ip6_route_add+0x1c/0x140 [ 2881.918824][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.918824][ T73] addrconf_add_dev+0xe2/0x170 [ 2881.918824][ T73] inet6_addr_add+0x12f/0xa40 [ 2881.918824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.918824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.918824][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.918824][ T73] netlink_unicast+0x449/0x710 [ 2881.918824][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.918824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.918824][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.918824][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.918824][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.918824][ T73] [ 2881.920784][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.920784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2881.920784][ T73] ipv6_find_idev+0x102/0x170 [ 2881.920784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.920784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.920784][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.920784][ T73] netlink_unicast+0x449/0x710 [ 2881.920784][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.920784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.920784][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.920784][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.920784][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.920784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.920784][ T73] [ 2881.922322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2881.922322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2881.922322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2881.922322][ T73] ipv6_find_idev+0x102/0x170 [ 2881.922322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.922322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.922322][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.922322][ T73] netlink_unicast+0x449/0x710 [ 2881.922322][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.922322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.922322][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.922322][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.922322][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.922322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.922322][ T73] [ 2881.924004][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2881.924284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.924284][ T73] dst_init+0x84/0x4a0 [ 2881.924284][ T73] dst_alloc+0x97/0x150 [ 2881.924284][ T73] ip6_dst_alloc+0x23/0x90 [ 2881.924284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.924284][ T73] ip6_pol_route+0x56f/0x840 [ 2881.924284][ T73] fib6_rule_lookup+0x456/0x630 [ 2881.924284][ T73] ip6_route_input+0x59c/0xa50 [ 2881.924284][ T73] ipv6_rcv+0x397/0x810 [ 2881.924284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2881.924284][ T73] process_backlog+0x101/0x620 [ 2881.924284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2881.924284][ T73] net_rx_action+0x495/0xbe0 [ 2881.924284][ T73] __do_softirq+0x1b5/0x7f6 [ 2881.924284][ T73] [ 2881.925918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.925918][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.925918][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.925918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.925918][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2881.925918][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.925918][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2881.925918][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.925918][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2881.925918][ T73] addrconf_dad_begin+0x310/0x670 [ 2881.925918][ T73] addrconf_dad_work+0x10b/0xab0 [ 2881.925918][ T73] process_one_work+0x84d/0x18a0 [ 2881.925918][ T73] worker_thread+0x587/0xd30 [ 2881.925918][ T73] kthread+0x28a/0x350 [ 2881.925918][ T73] ret_from_fork+0x31/0x70 [ 2881.925918][ T73] ret_from_fork_asm+0x1a/0x30 [ 2881.925918][ T73] [ 2881.927822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.927822][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.927822][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.927822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.927822][ T73] ip6_route_add+0x1c/0x140 [ 2881.927822][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2881.927822][ T73] inet6_addr_add+0x4f8/0xa40 [ 2881.927822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.927822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.927822][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.927822][ T73] netlink_unicast+0x449/0x710 [ 2881.927822][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.927822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.927822][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.927822][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.927822][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.927822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.927822][ T73] [ 2881.929812][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.929812][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.929812][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.929812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.929812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2881.929812][ T73] ipv6_add_addr+0x411/0x2000 [ 2881.929812][ T73] inet6_addr_add+0x30e/0xa40 [ 2881.929812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.929812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.929812][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.929812][ T73] netlink_unicast+0x449/0x710 [ 2881.929812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.929812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.929812][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.929812][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.929812][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.929812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.929812][ T73] [ 2881.931802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.931802][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.931802][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.931802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.931802][ T73] ip6_route_add+0x1c/0x140 [ 2881.931802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.931802][ T73] addrconf_add_dev+0xe2/0x170 [ 2881.931802][ T73] inet6_addr_add+0x12f/0xa40 [ 2881.931802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.931802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.931802][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.931802][ T73] netlink_unicast+0x449/0x710 [ 2881.931802][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.931802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.931802][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.931802][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.931802][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.931802][ T73] [ 2881.933762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.933762][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2881.933762][ T73] ipv6_find_idev+0x102/0x170 [ 2881.933762][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.933762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.933762][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.933762][ T73] netlink_unicast+0x449/0x710 [ 2881.933762][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.933762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.933762][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.933762][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.933762][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.933762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.933762][ T73] [ 2881.935292][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2881.935292][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2881.935292][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2881.935292][ T73] ipv6_find_idev+0x102/0x170 [ 2881.935292][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.935292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.935292][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.935292][ T73] netlink_unicast+0x449/0x710 [ 2881.935292][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.935292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.935292][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.935292][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.935292][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.935292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.935292][ T73] [ 2881.937084][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2881.937362][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.937362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2881.937362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2881.937362][ T73] fib6_nh_init+0xa22/0x1580 [ 2881.937362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.937362][ T73] ip6_route_add+0x1c/0x140 [ 2881.937362][ T73] inet6_rtm_newroute+0x104/0x110 [ 2881.937362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.937362][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.937362][ T73] netlink_unicast+0x449/0x710 [ 2881.937362][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.937362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.937362][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.937362][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.937362][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.937362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.937362][ T73] [ 2881.939483][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.939483][ T73] dst_init+0x84/0x4a0 [ 2881.939483][ T73] dst_alloc+0x97/0x150 [ 2881.939483][ T73] ip6_dst_alloc+0x23/0x90 [ 2881.939483][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.939483][ T73] ip6_pol_route+0x56f/0x840 [ 2881.939483][ T73] fib6_rule_lookup+0x456/0x630 [ 2881.939483][ T73] ip6_route_input+0x59c/0xa50 [ 2881.939483][ T73] ipv6_rcv+0x397/0x810 [ 2881.939483][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2881.939483][ T73] process_backlog+0x101/0x620 [ 2881.939483][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2881.939483][ T73] net_rx_action+0x495/0xbe0 [ 2881.939483][ T73] __do_softirq+0x1b5/0x7f6 [ 2881.939483][ T73] [ 2881.941296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.941296][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.941296][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.941296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.941296][ T73] ip6_route_add+0x1c/0x140 [ 2881.941296][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2881.941296][ T73] inet6_addr_add+0x4f8/0xa40 [ 2881.941296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.941296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.941296][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.941296][ T73] netlink_unicast+0x449/0x710 [ 2881.941296][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.941296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.941296][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.941296][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.941296][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.941296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.941296][ T73] [ 2881.943532][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.943532][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.943532][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.943532][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.943532][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2881.943532][ T73] ipv6_add_addr+0x411/0x2000 [ 2881.943532][ T73] inet6_addr_add+0x30e/0xa40 [ 2881.943532][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.943532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.943532][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.943532][ T73] netlink_unicast+0x449/0x710 [ 2881.943532][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.943532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.943532][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.943532][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.943532][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.943532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.943532][ T73] [ 2881.945763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.945763][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.945763][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.945763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.945763][ T73] ip6_route_add+0x1c/0x140 [ 2881.945763][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.945763][ T73] addrconf_add_dev+0xe2/0x170 [ 2881.945763][ T73] inet6_addr_add+0x12f/0xa40 [ 2881.945763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.945763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.945763][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.945763][ T73] netlink_unicast+0x449/0x710 [ 2881.945763][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.945763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.945763][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.945763][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.945763][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.945763][ T73] [ 2881.948033][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.948033][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2881.948033][ T73] ipv6_find_idev+0x102/0x170 [ 2881.948033][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.948033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.948033][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.948033][ T73] netlink_unicast+0x449/0x710 [ 2881.948033][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.948033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.948033][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.948033][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.948033][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.948033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.948033][ T73] [ 2881.949744][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2881.949744][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2881.949744][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2881.949744][ T73] ipv6_find_idev+0x102/0x170 [ 2881.949744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.949744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.949744][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.949744][ T73] netlink_unicast+0x449/0x710 [ 2881.949744][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.949744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.949744][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.949744][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.949744][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.949744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.949744][ T73] [ 2881.951598][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2881.951873][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2881.951873][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.951873][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.951873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.951873][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2881.951873][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.951873][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2881.951873][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.951873][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2881.951873][ T73] addrconf_dad_begin+0x310/0x670 [ 2881.951873][ T73] addrconf_dad_work+0x10b/0xab0 [ 2881.951873][ T73] process_one_work+0x84d/0x18a0 [ 2881.951873][ T73] worker_thread+0x587/0xd30 [ 2881.951873][ T73] kthread+0x28a/0x350 [ 2881.951873][ T73] ret_from_fork+0x31/0x70 [ 2881.951873][ T73] ret_from_fork_asm+0x1a/0x30 [ 2881.951873][ T73] [ 2881.954023][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2881.954023][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.954023][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.954023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.954023][ T73] ip6_route_add+0x1c/0x140 [ 2881.954023][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2881.954023][ T73] inet6_addr_add+0x4f8/0xa40 [ 2881.954023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.954023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.954023][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.954023][ T73] netlink_unicast+0x449/0x710 [ 2881.954023][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.954023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.954023][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.954023][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.954023][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.954023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.954023][ T73] [ 2881.956256][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2881.956256][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.956256][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.956256][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.956256][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2881.956256][ T73] ipv6_add_addr+0x411/0x2000 [ 2881.956256][ T73] inet6_addr_add+0x30e/0xa40 [ 2881.956256][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.956256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.956256][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.956256][ T73] netlink_unicast+0x449/0x710 [ 2881.956256][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.956256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.956256][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.956256][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.956256][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.956256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.956256][ T73] [ 2881.958555][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2881.958555][ T73] netdev_get_by_index+0x5e/0x80 [ 2881.958555][ T73] fib6_nh_init+0x3d8/0x1580 [ 2881.958555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2881.958555][ T73] ip6_route_add+0x1c/0x140 [ 2881.958555][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.958555][ T73] addrconf_add_dev+0xe2/0x170 [ 2881.958555][ T73] inet6_addr_add+0x12f/0xa40 [ 2881.958555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.958555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.958555][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.958555][ T73] netlink_unicast+0x449/0x710 [ 2881.958555][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.958555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.958555][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.958555][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.958555][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.958555][ T73] [ 2881.960693][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2881.960693][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2881.960693][ T73] ipv6_find_idev+0x102/0x170 [ 2881.960693][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.960693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.960693][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.960693][ T73] netlink_unicast+0x449/0x710 [ 2881.960693][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.960693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.960693][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.960693][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.960693][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.960693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.960693][ T73] [ 2881.962409][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2881.962409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2881.962409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2881.962409][ T73] ipv6_find_idev+0x102/0x170 [ 2881.962409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.962409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.962409][ T73] netlink_rcv_skb+0x130/0x360 [ 2881.962409][ T73] netlink_unicast+0x449/0x710 [ 2881.962409][ T73] netlink_sendmsg+0x723/0xbe0 [ 2881.962409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2881.962409][ T73] ___sys_sendmsg+0xee/0x170 [ 2881.962409][ T73] __sys_sendmsg+0xcd/0x170 [ 2881.962409][ T73] do_syscall_64+0xc6/0x1e0 [ 2881.962409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.962409][ T73] [ 2892.206835][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2892.207296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.207296][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2892.207296][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2892.207296][ T73] fib6_nh_init+0xa22/0x1580 [ 2892.207296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.207296][ T73] ip6_route_add+0x1c/0x140 [ 2892.207296][ T73] inet6_rtm_newroute+0x104/0x110 [ 2892.207296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.207296][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.207296][ T73] netlink_unicast+0x449/0x710 [ 2892.207296][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.207296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.207296][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.207296][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.207296][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.207296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.207296][ T73] [ 2892.209215][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.209215][ T73] dst_init+0x84/0x4a0 [ 2892.209215][ T73] dst_alloc+0x97/0x150 [ 2892.209215][ T73] ip6_dst_alloc+0x23/0x90 [ 2892.209215][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.209215][ T73] ip6_pol_route+0x56f/0x840 [ 2892.209215][ T73] fib6_rule_lookup+0x456/0x630 [ 2892.209215][ T73] ip6_route_input+0x59c/0xa50 [ 2892.209215][ T73] ipv6_rcv+0x397/0x810 [ 2892.209215][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2892.209215][ T73] process_backlog+0x101/0x620 [ 2892.209215][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2892.209215][ T73] net_rx_action+0x495/0xbe0 [ 2892.209215][ T73] __do_softirq+0x1b5/0x7f6 [ 2892.209215][ T73] [ 2892.210864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.210864][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.210864][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.210864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.210864][ T73] ip6_route_add+0x1c/0x140 [ 2892.210864][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2892.210864][ T73] inet6_addr_add+0x4f8/0xa40 [ 2892.210864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.210864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.210864][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.210864][ T73] netlink_unicast+0x449/0x710 [ 2892.210864][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.210864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.210864][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.210864][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.210864][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.210864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.210864][ T73] [ 2892.212867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.212867][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.212867][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.212867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.212867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2892.212867][ T73] ipv6_add_addr+0x411/0x2000 [ 2892.212867][ T73] inet6_addr_add+0x30e/0xa40 [ 2892.212867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.212867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.212867][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.212867][ T73] netlink_unicast+0x449/0x710 [ 2892.212867][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.212867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.212867][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.212867][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.212867][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.212867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.212867][ T73] [ 2892.214874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.214874][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.214874][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.214874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.214874][ T73] ip6_route_add+0x1c/0x140 [ 2892.214874][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.214874][ T73] addrconf_add_dev+0xe2/0x170 [ 2892.214874][ T73] inet6_addr_add+0x12f/0xa40 [ 2892.214874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.214874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.214874][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.214874][ T73] netlink_unicast+0x449/0x710 [ 2892.214874][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.214874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.214874][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.214874][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.214874][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.214874][ T73] [ 2892.216838][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.216838][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2892.216838][ T73] ipv6_find_idev+0x102/0x170 [ 2892.216838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.216838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.216838][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.216838][ T73] netlink_unicast+0x449/0x710 [ 2892.216838][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.216838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.216838][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.216838][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.216838][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.216838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.216838][ T73] [ 2892.218397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2892.218397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2892.218397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2892.218397][ T73] ipv6_find_idev+0x102/0x170 [ 2892.218397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.218397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.218397][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.218397][ T73] netlink_unicast+0x449/0x710 [ 2892.218397][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.218397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.218397][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.218397][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.218397][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.218397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.218397][ T73] [ 2892.220101][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2892.220371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.220371][ T73] dst_init+0x84/0x4a0 [ 2892.220371][ T73] dst_alloc+0x97/0x150 [ 2892.220371][ T73] ip6_dst_alloc+0x23/0x90 [ 2892.220371][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.220371][ T73] ip6_pol_route+0x56f/0x840 [ 2892.220371][ T73] fib6_rule_lookup+0x456/0x630 [ 2892.220371][ T73] ip6_route_input+0x59c/0xa50 [ 2892.220371][ T73] ipv6_rcv+0x397/0x810 [ 2892.220371][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2892.220371][ T73] process_backlog+0x101/0x620 [ 2892.220371][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2892.220371][ T73] net_rx_action+0x495/0xbe0 [ 2892.220371][ T73] __do_softirq+0x1b5/0x7f6 [ 2892.220371][ T73] [ 2892.222401][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.222401][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.222401][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.222401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.222401][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2892.222401][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2892.222401][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2892.222401][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2892.222401][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2892.222401][ T73] addrconf_dad_begin+0x310/0x670 [ 2892.222401][ T73] addrconf_dad_work+0x10b/0xab0 [ 2892.222401][ T73] process_one_work+0x84d/0x18a0 [ 2892.222401][ T73] worker_thread+0x587/0xd30 [ 2892.222401][ T73] kthread+0x28a/0x350 [ 2892.222401][ T73] ret_from_fork+0x31/0x70 [ 2892.222401][ T73] ret_from_fork_asm+0x1a/0x30 [ 2892.222401][ T73] [ 2892.224313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.224313][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.224313][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.224313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.224313][ T73] ip6_route_add+0x1c/0x140 [ 2892.224313][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2892.224313][ T73] inet6_addr_add+0x4f8/0xa40 [ 2892.224313][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.224313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.224313][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.224313][ T73] netlink_unicast+0x449/0x710 [ 2892.224313][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.224313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.224313][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.224313][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.224313][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.224313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.224313][ T73] [ 2892.226305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.226305][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.226305][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.226305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.226305][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2892.226305][ T73] ipv6_add_addr+0x411/0x2000 [ 2892.226305][ T73] inet6_addr_add+0x30e/0xa40 [ 2892.226305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.226305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.226305][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.226305][ T73] netlink_unicast+0x449/0x710 [ 2892.226305][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.226305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.226305][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.226305][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.226305][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.226305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.226305][ T73] [ 2892.228313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.228313][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.228313][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.228313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.228313][ T73] ip6_route_add+0x1c/0x140 [ 2892.228313][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.228313][ T73] addrconf_add_dev+0xe2/0x170 [ 2892.228313][ T73] inet6_addr_add+0x12f/0xa40 [ 2892.228313][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.228313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.228313][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.228313][ T73] netlink_unicast+0x449/0x710 [ 2892.228313][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.228313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.228313][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.228313][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.228313][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.228313][ T73] [ 2892.230288][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.230288][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2892.230288][ T73] ipv6_find_idev+0x102/0x170 [ 2892.230288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.230288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.230288][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.230288][ T73] netlink_unicast+0x449/0x710 [ 2892.230288][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.230288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.230288][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.230288][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.230288][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.230288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.230288][ T73] [ 2892.231832][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2892.231832][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2892.231832][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2892.231832][ T73] ipv6_find_idev+0x102/0x170 [ 2892.231832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.231832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.231832][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.231832][ T73] netlink_unicast+0x449/0x710 [ 2892.231832][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.231832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.231832][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.231832][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.231832][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.231832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.231832][ T73] [ 2892.233660][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2892.234005][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.234005][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2892.234005][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2892.234005][ T73] fib6_nh_init+0xa22/0x1580 [ 2892.234005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.234005][ T73] ip6_route_add+0x1c/0x140 [ 2892.234005][ T73] inet6_rtm_newroute+0x104/0x110 [ 2892.234005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.234005][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.234005][ T73] netlink_unicast+0x449/0x710 [ 2892.234005][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.234005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.234005][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.234005][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.234005][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.234005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.234005][ T73] [ 2892.236081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.236081][ T73] dst_init+0x84/0x4a0 [ 2892.236081][ T73] dst_alloc+0x97/0x150 [ 2892.236081][ T73] ip6_dst_alloc+0x23/0x90 [ 2892.236081][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.236081][ T73] ip6_pol_route+0x56f/0x840 [ 2892.236081][ T73] fib6_rule_lookup+0x456/0x630 [ 2892.236081][ T73] ip6_route_input+0x59c/0xa50 [ 2892.236081][ T73] ipv6_rcv+0x397/0x810 [ 2892.236081][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2892.236081][ T73] process_backlog+0x101/0x620 [ 2892.236081][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2892.236081][ T73] net_rx_action+0x495/0xbe0 [ 2892.236081][ T73] __do_softirq+0x1b5/0x7f6 [ 2892.236081][ T73] [ 2892.237912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.237912][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.237912][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.237912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.237912][ T73] ip6_route_add+0x1c/0x140 [ 2892.237912][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2892.237912][ T73] inet6_addr_add+0x4f8/0xa40 [ 2892.237912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.237912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.237912][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.237912][ T73] netlink_unicast+0x449/0x710 [ 2892.237912][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.237912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.237912][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.237912][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.237912][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.237912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.237912][ T73] [ 2892.240211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.240211][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.240211][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.240211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.240211][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2892.240211][ T73] ipv6_add_addr+0x411/0x2000 [ 2892.240211][ T73] inet6_addr_add+0x30e/0xa40 [ 2892.240211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.240211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.240211][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.240211][ T73] netlink_unicast+0x449/0x710 [ 2892.240211][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.240211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.240211][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.240211][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.240211][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.240211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.240211][ T73] [ 2892.242467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.242467][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.242467][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.242467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.242467][ T73] ip6_route_add+0x1c/0x140 [ 2892.242467][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.242467][ T73] addrconf_add_dev+0xe2/0x170 [ 2892.242467][ T73] inet6_addr_add+0x12f/0xa40 [ 2892.242467][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.242467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.242467][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.242467][ T73] netlink_unicast+0x449/0x710 [ 2892.242467][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.242467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.242467][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.242467][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.242467][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.242467][ T73] [ 2892.244754][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.244754][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2892.244754][ T73] ipv6_find_idev+0x102/0x170 [ 2892.244754][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.244754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.244754][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.244754][ T73] netlink_unicast+0x449/0x710 [ 2892.244754][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.244754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.244754][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.244754][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.244754][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.244754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.244754][ T73] [ 2892.246465][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2892.246465][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2892.246465][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2892.246465][ T73] ipv6_find_idev+0x102/0x170 [ 2892.246465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.246465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.246465][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.246465][ T73] netlink_unicast+0x449/0x710 [ 2892.246465][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.246465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.246465][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.246465][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.246465][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.246465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.246465][ T73] [ 2892.248395][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2892.248665][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2892.248665][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.248665][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.248665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.248665][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2892.248665][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2892.248665][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2892.248665][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2892.248665][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2892.248665][ T73] addrconf_dad_begin+0x310/0x670 [ 2892.248665][ T73] addrconf_dad_work+0x10b/0xab0 [ 2892.248665][ T73] process_one_work+0x84d/0x18a0 [ 2892.248665][ T73] worker_thread+0x587/0xd30 [ 2892.248665][ T73] kthread+0x28a/0x350 [ 2892.248665][ T73] ret_from_fork+0x31/0x70 [ 2892.248665][ T73] ret_from_fork_asm+0x1a/0x30 [ 2892.248665][ T73] [ 2892.250799][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2892.250799][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.250799][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.250799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.250799][ T73] ip6_route_add+0x1c/0x140 [ 2892.250799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2892.250799][ T73] inet6_addr_add+0x4f8/0xa40 [ 2892.250799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.250799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.250799][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.250799][ T73] netlink_unicast+0x449/0x710 [ 2892.250799][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.250799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.250799][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.250799][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.250799][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.250799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.250799][ T73] [ 2892.253025][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2892.253025][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.253025][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.253025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.253025][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2892.253025][ T73] ipv6_add_addr+0x411/0x2000 [ 2892.253025][ T73] inet6_addr_add+0x30e/0xa40 [ 2892.253025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.253025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.253025][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.253025][ T73] netlink_unicast+0x449/0x710 [ 2892.253025][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.253025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.253025][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.253025][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.253025][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.253025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.253025][ T73] [ 2892.255249][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2892.255249][ T73] netdev_get_by_index+0x5e/0x80 [ 2892.255249][ T73] fib6_nh_init+0x3d8/0x1580 [ 2892.255249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2892.255249][ T73] ip6_route_add+0x1c/0x140 [ 2892.255249][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.255249][ T73] addrconf_add_dev+0xe2/0x170 [ 2892.255249][ T73] inet6_addr_add+0x12f/0xa40 [ 2892.255249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.255249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.255249][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.255249][ T73] netlink_unicast+0x449/0x710 [ 2892.255249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.255249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.255249][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.255249][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.255249][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.255249][ T73] [ 2892.257919][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2892.257919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2892.257919][ T73] ipv6_find_idev+0x102/0x170 [ 2892.257919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.257919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.257919][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.257919][ T73] netlink_unicast+0x449/0x710 [ 2892.257919][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.257919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.257919][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.257919][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.257919][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.257919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.257919][ T73] [ 2892.259699][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2892.259699][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2892.259699][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2892.259699][ T73] ipv6_find_idev+0x102/0x170 [ 2892.259699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.259699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.259699][ T73] netlink_rcv_skb+0x130/0x360 [ 2892.259699][ T73] netlink_unicast+0x449/0x710 [ 2892.259699][ T73] netlink_sendmsg+0x723/0xbe0 [ 2892.259699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2892.259699][ T73] ___sys_sendmsg+0xee/0x170 [ 2892.259699][ T73] __sys_sendmsg+0xcd/0x170 [ 2892.259699][ T73] do_syscall_64+0xc6/0x1e0 [ 2892.259699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.259699][ T73] [ 2902.350906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2902.351289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.351289][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2902.351289][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2902.351289][ T73] fib6_nh_init+0xa22/0x1580 [ 2902.351289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.351289][ T73] ip6_route_add+0x1c/0x140 [ 2902.351289][ T73] inet6_rtm_newroute+0x104/0x110 [ 2902.351289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.351289][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.351289][ T73] netlink_unicast+0x449/0x710 [ 2902.351289][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.351289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.351289][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.351289][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.351289][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.351289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.351289][ T73] [ 2902.353254][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.353254][ T73] dst_init+0x84/0x4a0 [ 2902.353254][ T73] dst_alloc+0x97/0x150 [ 2902.353254][ T73] ip6_dst_alloc+0x23/0x90 [ 2902.353254][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.353254][ T73] ip6_pol_route+0x56f/0x840 [ 2902.353254][ T73] fib6_rule_lookup+0x456/0x630 [ 2902.353254][ T73] ip6_route_input+0x59c/0xa50 [ 2902.353254][ T73] ipv6_rcv+0x397/0x810 [ 2902.353254][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2902.353254][ T73] process_backlog+0x101/0x620 [ 2902.353254][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2902.353254][ T73] net_rx_action+0x495/0xbe0 [ 2902.353254][ T73] __do_softirq+0x1b5/0x7f6 [ 2902.353254][ T73] [ 2902.354900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.354900][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.354900][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.354900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.354900][ T73] ip6_route_add+0x1c/0x140 [ 2902.354900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2902.354900][ T73] inet6_addr_add+0x4f8/0xa40 [ 2902.354900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.354900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.354900][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.354900][ T73] netlink_unicast+0x449/0x710 [ 2902.354900][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.354900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.354900][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.354900][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.354900][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.354900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.354900][ T73] [ 2902.356884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.356884][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.356884][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.356884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.356884][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2902.356884][ T73] ipv6_add_addr+0x411/0x2000 [ 2902.356884][ T73] inet6_addr_add+0x30e/0xa40 [ 2902.356884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.356884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.356884][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.356884][ T73] netlink_unicast+0x449/0x710 [ 2902.356884][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.356884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.356884][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.356884][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.356884][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.356884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.356884][ T73] [ 2902.358869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.358869][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.358869][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.358869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.358869][ T73] ip6_route_add+0x1c/0x140 [ 2902.358869][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.358869][ T73] addrconf_add_dev+0xe2/0x170 [ 2902.358869][ T73] inet6_addr_add+0x12f/0xa40 [ 2902.358869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.358869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.358869][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.358869][ T73] netlink_unicast+0x449/0x710 [ 2902.358869][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.358869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.358869][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.358869][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.358869][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.358869][ T73] [ 2902.360814][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.360814][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2902.360814][ T73] ipv6_find_idev+0x102/0x170 [ 2902.360814][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.360814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.360814][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.360814][ T73] netlink_unicast+0x449/0x710 [ 2902.360814][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.360814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.360814][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.360814][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.360814][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.360814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.360814][ T73] [ 2902.362351][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2902.362351][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2902.362351][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2902.362351][ T73] ipv6_find_idev+0x102/0x170 [ 2902.362351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.362351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.362351][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.362351][ T73] netlink_unicast+0x449/0x710 [ 2902.362351][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.362351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.362351][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.362351][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.362351][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.362351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.362351][ T73] [ 2902.364026][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2902.364291][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.364291][ T73] dst_init+0x84/0x4a0 [ 2902.364291][ T73] dst_alloc+0x97/0x150 [ 2902.364291][ T73] ip6_dst_alloc+0x23/0x90 [ 2902.364291][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.364291][ T73] ip6_pol_route+0x56f/0x840 [ 2902.364291][ T73] fib6_rule_lookup+0x456/0x630 [ 2902.364291][ T73] ip6_route_input+0x59c/0xa50 [ 2902.364291][ T73] ipv6_rcv+0x397/0x810 [ 2902.364291][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2902.364291][ T73] process_backlog+0x101/0x620 [ 2902.364291][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2902.364291][ T73] net_rx_action+0x495/0xbe0 [ 2902.364291][ T73] __do_softirq+0x1b5/0x7f6 [ 2902.364291][ T73] [ 2902.365919][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.365919][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.365919][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.365919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.365919][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2902.365919][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2902.365919][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2902.365919][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2902.365919][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2902.365919][ T73] addrconf_dad_begin+0x310/0x670 [ 2902.365919][ T73] addrconf_dad_work+0x10b/0xab0 [ 2902.365919][ T73] process_one_work+0x84d/0x18a0 [ 2902.365919][ T73] worker_thread+0x587/0xd30 [ 2902.365919][ T73] kthread+0x28a/0x350 [ 2902.365919][ T73] ret_from_fork+0x31/0x70 [ 2902.365919][ T73] ret_from_fork_asm+0x1a/0x30 [ 2902.365919][ T73] [ 2902.367827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.367827][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.367827][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.367827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.367827][ T73] ip6_route_add+0x1c/0x140 [ 2902.367827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2902.367827][ T73] inet6_addr_add+0x4f8/0xa40 [ 2902.367827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.367827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.367827][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.367827][ T73] netlink_unicast+0x449/0x710 [ 2902.367827][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.367827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.367827][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.367827][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.367827][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.367827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.367827][ T73] [ 2902.369807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.369807][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.369807][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.369807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.369807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2902.369807][ T73] ipv6_add_addr+0x411/0x2000 [ 2902.369807][ T73] inet6_addr_add+0x30e/0xa40 [ 2902.369807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.369807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.369807][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.369807][ T73] netlink_unicast+0x449/0x710 [ 2902.369807][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.369807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.369807][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.369807][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.369807][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.369807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.369807][ T73] [ 2902.372731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.372731][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.372731][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.372731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.372731][ T73] ip6_route_add+0x1c/0x140 [ 2902.372731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.372731][ T73] addrconf_add_dev+0xe2/0x170 [ 2902.372731][ T73] inet6_addr_add+0x12f/0xa40 [ 2902.372731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.372731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.372731][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.372731][ T73] netlink_unicast+0x449/0x710 [ 2902.372731][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.372731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.372731][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.372731][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.372731][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.372731][ T73] [ 2902.374682][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.374682][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2902.374682][ T73] ipv6_find_idev+0x102/0x170 [ 2902.374682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.374682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.374682][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.374682][ T73] netlink_unicast+0x449/0x710 [ 2902.374682][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.374682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.374682][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.374682][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.374682][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.374682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.374682][ T73] [ 2902.376236][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2902.376236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2902.376236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2902.376236][ T73] ipv6_find_idev+0x102/0x170 [ 2902.376236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.376236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.376236][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.376236][ T73] netlink_unicast+0x449/0x710 [ 2902.376236][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.376236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.376236][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.376236][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.376236][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.376236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.376236][ T73] [ 2902.378046][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2902.378322][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.378322][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2902.378322][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2902.378322][ T73] fib6_nh_init+0xa22/0x1580 [ 2902.378322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.378322][ T73] ip6_route_add+0x1c/0x140 [ 2902.378322][ T73] inet6_rtm_newroute+0x104/0x110 [ 2902.378322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.378322][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.378322][ T73] netlink_unicast+0x449/0x710 [ 2902.378322][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.378322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.378322][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.378322][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.378322][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.378322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.378322][ T73] [ 2902.380426][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.380426][ T73] dst_init+0x84/0x4a0 [ 2902.380426][ T73] dst_alloc+0x97/0x150 [ 2902.380426][ T73] ip6_dst_alloc+0x23/0x90 [ 2902.380426][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.380426][ T73] ip6_pol_route+0x56f/0x840 [ 2902.380426][ T73] fib6_rule_lookup+0x456/0x630 [ 2902.380426][ T73] ip6_route_input+0x59c/0xa50 [ 2902.380426][ T73] ipv6_rcv+0x397/0x810 [ 2902.380426][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2902.380426][ T73] process_backlog+0x101/0x620 [ 2902.380426][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2902.380426][ T73] net_rx_action+0x495/0xbe0 [ 2902.380426][ T73] __do_softirq+0x1b5/0x7f6 [ 2902.380426][ T73] [ 2902.382234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.382234][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.382234][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.382234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.382234][ T73] ip6_route_add+0x1c/0x140 [ 2902.382234][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2902.382234][ T73] inet6_addr_add+0x4f8/0xa40 [ 2902.382234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.382234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.382234][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.382234][ T73] netlink_unicast+0x449/0x710 [ 2902.382234][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.382234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.382234][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.382234][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.382234][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.382234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.382234][ T73] [ 2902.384413][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.384413][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.384413][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.384413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.384413][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2902.384413][ T73] ipv6_add_addr+0x411/0x2000 [ 2902.384413][ T73] inet6_addr_add+0x30e/0xa40 [ 2902.384413][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.384413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.384413][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.384413][ T73] netlink_unicast+0x449/0x710 [ 2902.384413][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.384413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.384413][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.384413][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.384413][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.384413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.384413][ T73] [ 2902.386517][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.386517][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.386517][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.386517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.386517][ T73] ip6_route_add+0x1c/0x140 [ 2902.386517][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.386517][ T73] addrconf_add_dev+0xe2/0x170 [ 2902.386517][ T73] inet6_addr_add+0x12f/0xa40 [ 2902.386517][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.386517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.386517][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.386517][ T73] netlink_unicast+0x449/0x710 [ 2902.386517][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.386517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.386517][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.386517][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.386517][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.386517][ T73] [ 2902.388598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.388598][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2902.388598][ T73] ipv6_find_idev+0x102/0x170 [ 2902.388598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.388598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.388598][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.388598][ T73] netlink_unicast+0x449/0x710 [ 2902.388598][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.388598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.388598][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.388598][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.388598][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.388598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.388598][ T73] [ 2902.390187][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2902.390187][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2902.390187][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2902.390187][ T73] ipv6_find_idev+0x102/0x170 [ 2902.390187][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.390187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.390187][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.390187][ T73] netlink_unicast+0x449/0x710 [ 2902.390187][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.390187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.390187][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.390187][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.390187][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.390187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.390187][ T73] [ 2902.392001][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2902.392272][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2902.392272][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.392272][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.392272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.392272][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2902.392272][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2902.392272][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2902.392272][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2902.392272][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2902.392272][ T73] addrconf_dad_begin+0x310/0x670 [ 2902.392272][ T73] addrconf_dad_work+0x10b/0xab0 [ 2902.392272][ T73] process_one_work+0x84d/0x18a0 [ 2902.392272][ T73] worker_thread+0x587/0xd30 [ 2902.392272][ T73] kthread+0x28a/0x350 [ 2902.392272][ T73] ret_from_fork+0x31/0x70 [ 2902.392272][ T73] ret_from_fork_asm+0x1a/0x30 [ 2902.392272][ T73] [ 2902.394688][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2902.394688][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.394688][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.394688][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.394688][ T73] ip6_route_add+0x1c/0x140 [ 2902.394688][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2902.394688][ T73] inet6_addr_add+0x4f8/0xa40 [ 2902.394688][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.394688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.394688][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.394688][ T73] netlink_unicast+0x449/0x710 [ 2902.394688][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.394688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.394688][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.394688][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.394688][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.394688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.394688][ T73] [ 2902.396808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2902.396808][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.396808][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.396808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.396808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2902.396808][ T73] ipv6_add_addr+0x411/0x2000 [ 2902.396808][ T73] inet6_addr_add+0x30e/0xa40 [ 2902.396808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.396808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.396808][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.396808][ T73] netlink_unicast+0x449/0x710 [ 2902.396808][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.396808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.396808][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.396808][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.396808][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.396808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.396808][ T73] [ 2902.398916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2902.398916][ T73] netdev_get_by_index+0x5e/0x80 [ 2902.398916][ T73] fib6_nh_init+0x3d8/0x1580 [ 2902.398916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2902.398916][ T73] ip6_route_add+0x1c/0x140 [ 2902.398916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.398916][ T73] addrconf_add_dev+0xe2/0x170 [ 2902.398916][ T73] inet6_addr_add+0x12f/0xa40 [ 2902.398916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.398916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.398916][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.398916][ T73] netlink_unicast+0x449/0x710 [ 2902.398916][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.398916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.398916][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.398916][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.398916][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.398916][ T73] [ 2902.400991][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2902.400991][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2902.400991][ T73] ipv6_find_idev+0x102/0x170 [ 2902.400991][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.400991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.400991][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.400991][ T73] netlink_unicast+0x449/0x710 [ 2902.400991][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.400991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.400991][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.400991][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.400991][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.400991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.400991][ T73] [ 2902.402935][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2902.402935][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2902.402935][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2902.402935][ T73] ipv6_find_idev+0x102/0x170 [ 2902.402935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.402935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.402935][ T73] netlink_rcv_skb+0x130/0x360 [ 2902.402935][ T73] netlink_unicast+0x449/0x710 [ 2902.402935][ T73] netlink_sendmsg+0x723/0xbe0 [ 2902.402935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2902.402935][ T73] ___sys_sendmsg+0xee/0x170 [ 2902.402935][ T73] __sys_sendmsg+0xcd/0x170 [ 2902.402935][ T73] do_syscall_64+0xc6/0x1e0 [ 2902.402935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.402935][ T73] [ 2912.646913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2912.647364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.647364][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2912.647364][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2912.647364][ T73] fib6_nh_init+0xa22/0x1580 [ 2912.647364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.647364][ T73] ip6_route_add+0x1c/0x140 [ 2912.647364][ T73] inet6_rtm_newroute+0x104/0x110 [ 2912.647364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.647364][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.647364][ T73] netlink_unicast+0x449/0x710 [ 2912.647364][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.647364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.647364][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.647364][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.647364][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.647364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.647364][ T73] [ 2912.649244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.649244][ T73] dst_init+0x84/0x4a0 [ 2912.649244][ T73] dst_alloc+0x97/0x150 [ 2912.649244][ T73] ip6_dst_alloc+0x23/0x90 [ 2912.649244][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.649244][ T73] ip6_pol_route+0x56f/0x840 [ 2912.649244][ T73] fib6_rule_lookup+0x456/0x630 [ 2912.649244][ T73] ip6_route_input+0x59c/0xa50 [ 2912.649244][ T73] ipv6_rcv+0x397/0x810 [ 2912.649244][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2912.649244][ T73] process_backlog+0x101/0x620 [ 2912.649244][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2912.649244][ T73] net_rx_action+0x495/0xbe0 [ 2912.649244][ T73] __do_softirq+0x1b5/0x7f6 [ 2912.649244][ T73] [ 2912.650875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.650875][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.650875][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.650875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.650875][ T73] ip6_route_add+0x1c/0x140 [ 2912.650875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2912.650875][ T73] inet6_addr_add+0x4f8/0xa40 [ 2912.650875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.650875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.650875][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.650875][ T73] netlink_unicast+0x449/0x710 [ 2912.650875][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.650875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.650875][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.650875][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.650875][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.650875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.650875][ T73] [ 2912.652864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.652864][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.652864][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.652864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.652864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2912.652864][ T73] ipv6_add_addr+0x411/0x2000 [ 2912.652864][ T73] inet6_addr_add+0x30e/0xa40 [ 2912.652864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.652864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.652864][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.652864][ T73] netlink_unicast+0x449/0x710 [ 2912.652864][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.652864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.652864][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.652864][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.652864][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.652864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.652864][ T73] [ 2912.654854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.654854][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.654854][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.654854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.654854][ T73] ip6_route_add+0x1c/0x140 [ 2912.654854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.654854][ T73] addrconf_add_dev+0xe2/0x170 [ 2912.654854][ T73] inet6_addr_add+0x12f/0xa40 [ 2912.654854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.654854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.654854][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.654854][ T73] netlink_unicast+0x449/0x710 [ 2912.654854][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.654854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.654854][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.654854][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.654854][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.654854][ T73] [ 2912.656815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.656815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2912.656815][ T73] ipv6_find_idev+0x102/0x170 [ 2912.656815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.656815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.656815][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.656815][ T73] netlink_unicast+0x449/0x710 [ 2912.656815][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.656815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.656815][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.656815][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.656815][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.656815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.656815][ T73] [ 2912.658357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2912.658357][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2912.658357][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2912.658357][ T73] ipv6_find_idev+0x102/0x170 [ 2912.658357][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.658357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.658357][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.658357][ T73] netlink_unicast+0x449/0x710 [ 2912.658357][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.658357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.658357][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.658357][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.658357][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.658357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.658357][ T73] [ 2912.660043][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2912.660317][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.660317][ T73] dst_init+0x84/0x4a0 [ 2912.660317][ T73] dst_alloc+0x97/0x150 [ 2912.660317][ T73] ip6_dst_alloc+0x23/0x90 [ 2912.660317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.660317][ T73] ip6_pol_route+0x56f/0x840 [ 2912.660317][ T73] fib6_rule_lookup+0x456/0x630 [ 2912.660317][ T73] ip6_route_input+0x59c/0xa50 [ 2912.660317][ T73] ipv6_rcv+0x397/0x810 [ 2912.660317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2912.660317][ T73] process_backlog+0x101/0x620 [ 2912.660317][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2912.660317][ T73] net_rx_action+0x495/0xbe0 [ 2912.660317][ T73] __do_softirq+0x1b5/0x7f6 [ 2912.660317][ T73] [ 2912.661969][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.661969][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.661969][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.661969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.661969][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2912.661969][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2912.661969][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2912.661969][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2912.661969][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2912.661969][ T73] addrconf_dad_begin+0x310/0x670 [ 2912.661969][ T73] addrconf_dad_work+0x10b/0xab0 [ 2912.661969][ T73] process_one_work+0x84d/0x18a0 [ 2912.661969][ T73] worker_thread+0x587/0xd30 [ 2912.661969][ T73] kthread+0x28a/0x350 [ 2912.661969][ T73] ret_from_fork+0x31/0x70 [ 2912.661969][ T73] ret_from_fork_asm+0x1a/0x30 [ 2912.661969][ T73] [ 2912.664250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.664250][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.664250][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.664250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.664250][ T73] ip6_route_add+0x1c/0x140 [ 2912.664250][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2912.664250][ T73] inet6_addr_add+0x4f8/0xa40 [ 2912.664250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.664250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.664250][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.664250][ T73] netlink_unicast+0x449/0x710 [ 2912.664250][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.664250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.664250][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.664250][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.664250][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.664250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.664250][ T73] [ 2912.666250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.666250][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.666250][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.666250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.666250][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2912.666250][ T73] ipv6_add_addr+0x411/0x2000 [ 2912.666250][ T73] inet6_addr_add+0x30e/0xa40 [ 2912.666250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.666250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.666250][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.666250][ T73] netlink_unicast+0x449/0x710 [ 2912.666250][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.666250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.666250][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.666250][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.666250][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.666250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.666250][ T73] [ 2912.668238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.668238][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.668238][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.668238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.668238][ T73] ip6_route_add+0x1c/0x140 [ 2912.668238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.668238][ T73] addrconf_add_dev+0xe2/0x170 [ 2912.668238][ T73] inet6_addr_add+0x12f/0xa40 [ 2912.668238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.668238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.668238][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.668238][ T73] netlink_unicast+0x449/0x710 [ 2912.668238][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.668238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.668238][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.668238][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.668238][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.668238][ T73] [ 2912.670188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.670188][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2912.670188][ T73] ipv6_find_idev+0x102/0x170 [ 2912.670188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.670188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.670188][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.670188][ T73] netlink_unicast+0x449/0x710 [ 2912.670188][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.670188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.670188][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.670188][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.670188][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.670188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.670188][ T73] [ 2912.671720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2912.671720][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2912.671720][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2912.671720][ T73] ipv6_find_idev+0x102/0x170 [ 2912.671720][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.671720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.671720][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.671720][ T73] netlink_unicast+0x449/0x710 [ 2912.671720][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.671720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.671720][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.671720][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.671720][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.671720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.671720][ T73] [ 2912.673520][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2912.673786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.673786][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2912.673786][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2912.673786][ T73] fib6_nh_init+0xa22/0x1580 [ 2912.673786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.673786][ T73] ip6_route_add+0x1c/0x140 [ 2912.673786][ T73] inet6_rtm_newroute+0x104/0x110 [ 2912.673786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.673786][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.673786][ T73] netlink_unicast+0x449/0x710 [ 2912.673786][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.673786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.673786][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.673786][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.673786][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.673786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.673786][ T73] [ 2912.676012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.676012][ T73] dst_init+0x84/0x4a0 [ 2912.676012][ T73] dst_alloc+0x97/0x150 [ 2912.676012][ T73] ip6_dst_alloc+0x23/0x90 [ 2912.676012][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.676012][ T73] ip6_pol_route+0x56f/0x840 [ 2912.676012][ T73] fib6_rule_lookup+0x456/0x630 [ 2912.676012][ T73] ip6_route_input+0x59c/0xa50 [ 2912.676012][ T73] ipv6_rcv+0x397/0x810 [ 2912.676012][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2912.676012][ T73] process_backlog+0x101/0x620 [ 2912.676012][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2912.676012][ T73] net_rx_action+0x495/0xbe0 [ 2912.676012][ T73] __do_softirq+0x1b5/0x7f6 [ 2912.676012][ T73] [ 2912.677880][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.677880][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.677880][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.677880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.677880][ T73] ip6_route_add+0x1c/0x140 [ 2912.677880][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2912.677880][ T73] inet6_addr_add+0x4f8/0xa40 [ 2912.677880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.677880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.677880][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.677880][ T73] netlink_unicast+0x449/0x710 [ 2912.677880][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.677880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.677880][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.677880][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.677880][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.677880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.677880][ T73] [ 2912.680101][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.680101][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.680101][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.680101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.680101][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2912.680101][ T73] ipv6_add_addr+0x411/0x2000 [ 2912.680101][ T73] inet6_addr_add+0x30e/0xa40 [ 2912.680101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.680101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.680101][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.680101][ T73] netlink_unicast+0x449/0x710 [ 2912.680101][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.680101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.680101][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.680101][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.680101][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.680101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.680101][ T73] [ 2912.682249][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.682249][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.682249][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.682249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.682249][ T73] ip6_route_add+0x1c/0x140 [ 2912.682249][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.682249][ T73] addrconf_add_dev+0xe2/0x170 [ 2912.682249][ T73] inet6_addr_add+0x12f/0xa40 [ 2912.682249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.682249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.682249][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.682249][ T73] netlink_unicast+0x449/0x710 [ 2912.682249][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.682249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.682249][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.682249][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.682249][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.682249][ T73] [ 2912.684428][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.684428][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2912.684428][ T73] ipv6_find_idev+0x102/0x170 [ 2912.684428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.684428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.684428][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.684428][ T73] netlink_unicast+0x449/0x710 [ 2912.684428][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.684428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.684428][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.684428][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.684428][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.684428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.684428][ T73] [ 2912.686125][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2912.686125][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2912.686125][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2912.686125][ T73] ipv6_find_idev+0x102/0x170 [ 2912.686125][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.686125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.686125][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.686125][ T73] netlink_unicast+0x449/0x710 [ 2912.686125][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.686125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.686125][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.686125][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.686125][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.686125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.686125][ T73] [ 2912.688110][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2912.688374][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2912.688374][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.688374][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.688374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.688374][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2912.688374][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2912.688374][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2912.688374][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2912.688374][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2912.688374][ T73] addrconf_dad_begin+0x310/0x670 [ 2912.688374][ T73] addrconf_dad_work+0x10b/0xab0 [ 2912.688374][ T73] process_one_work+0x84d/0x18a0 [ 2912.688374][ T73] worker_thread+0x587/0xd30 [ 2912.688374][ T73] kthread+0x28a/0x350 [ 2912.688374][ T73] ret_from_fork+0x31/0x70 [ 2912.688374][ T73] ret_from_fork_asm+0x1a/0x30 [ 2912.688374][ T73] [ 2912.690507][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2912.690507][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.690507][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.690507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.690507][ T73] ip6_route_add+0x1c/0x140 [ 2912.690507][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2912.690507][ T73] inet6_addr_add+0x4f8/0xa40 [ 2912.690507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.690507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.690507][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.690507][ T73] netlink_unicast+0x449/0x710 [ 2912.690507][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.690507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.690507][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.690507][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.690507][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.690507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.690507][ T73] [ 2912.692685][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2912.692685][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.692685][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.692685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.692685][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2912.692685][ T73] ipv6_add_addr+0x411/0x2000 [ 2912.692685][ T73] inet6_addr_add+0x30e/0xa40 [ 2912.692685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.692685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.692685][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.692685][ T73] netlink_unicast+0x449/0x710 [ 2912.692685][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.692685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.692685][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.692685][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.692685][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.692685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.692685][ T73] [ 2912.694906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2912.694906][ T73] netdev_get_by_index+0x5e/0x80 [ 2912.694906][ T73] fib6_nh_init+0x3d8/0x1580 [ 2912.694906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2912.694906][ T73] ip6_route_add+0x1c/0x140 [ 2912.694906][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.694906][ T73] addrconf_add_dev+0xe2/0x170 [ 2912.694906][ T73] inet6_addr_add+0x12f/0xa40 [ 2912.694906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.694906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.694906][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.694906][ T73] netlink_unicast+0x449/0x710 [ 2912.694906][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.694906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.694906][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.694906][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.694906][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.694906][ T73] [ 2912.697170][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2912.697170][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2912.697170][ T73] ipv6_find_idev+0x102/0x170 [ 2912.697170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.697170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.697170][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.697170][ T73] netlink_unicast+0x449/0x710 [ 2912.697170][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.697170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.697170][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.697170][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.697170][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.697170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.697170][ T73] [ 2912.698878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2912.698878][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2912.698878][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2912.698878][ T73] ipv6_find_idev+0x102/0x170 [ 2912.698878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.698878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.698878][ T73] netlink_rcv_skb+0x130/0x360 [ 2912.698878][ T73] netlink_unicast+0x449/0x710 [ 2912.698878][ T73] netlink_sendmsg+0x723/0xbe0 [ 2912.698878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2912.698878][ T73] ___sys_sendmsg+0xee/0x170 [ 2912.698878][ T73] __sys_sendmsg+0xcd/0x170 [ 2912.698878][ T73] do_syscall_64+0xc6/0x1e0 [ 2912.698878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.698878][ T73] [ 2922.934891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2922.935277][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.935277][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2922.935277][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2922.935277][ T73] fib6_nh_init+0xa22/0x1580 [ 2922.935277][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.935277][ T73] ip6_route_add+0x1c/0x140 [ 2922.935277][ T73] inet6_rtm_newroute+0x104/0x110 [ 2922.935277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.935277][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.935277][ T73] netlink_unicast+0x449/0x710 [ 2922.935277][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.935277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.935277][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.935277][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.935277][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.935277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.935277][ T73] [ 2922.937168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.937168][ T73] dst_init+0x84/0x4a0 [ 2922.937168][ T73] dst_alloc+0x97/0x150 [ 2922.937168][ T73] ip6_dst_alloc+0x23/0x90 [ 2922.937168][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.937168][ T73] ip6_pol_route+0x56f/0x840 [ 2922.937168][ T73] fib6_rule_lookup+0x456/0x630 [ 2922.937168][ T73] ip6_route_input+0x59c/0xa50 [ 2922.937168][ T73] ipv6_rcv+0x397/0x810 [ 2922.937168][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2922.937168][ T73] process_backlog+0x101/0x620 [ 2922.937168][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2922.937168][ T73] net_rx_action+0x495/0xbe0 [ 2922.937168][ T73] __do_softirq+0x1b5/0x7f6 [ 2922.937168][ T73] [ 2922.938790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.938790][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.938790][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.938790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.938790][ T73] ip6_route_add+0x1c/0x140 [ 2922.938790][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2922.938790][ T73] inet6_addr_add+0x4f8/0xa40 [ 2922.938790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.938790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.938790][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.938790][ T73] netlink_unicast+0x449/0x710 [ 2922.938790][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.938790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.938790][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.938790][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.938790][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.938790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.938790][ T73] [ 2922.940776][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.940776][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.940776][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.940776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.940776][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2922.940776][ T73] ipv6_add_addr+0x411/0x2000 [ 2922.940776][ T73] inet6_addr_add+0x30e/0xa40 [ 2922.940776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.940776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.940776][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.940776][ T73] netlink_unicast+0x449/0x710 [ 2922.940776][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.940776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.940776][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.940776][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.940776][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.940776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.940776][ T73] [ 2922.942758][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.942758][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.942758][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.942758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.942758][ T73] ip6_route_add+0x1c/0x140 [ 2922.942758][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.942758][ T73] addrconf_add_dev+0xe2/0x170 [ 2922.942758][ T73] inet6_addr_add+0x12f/0xa40 [ 2922.942758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.942758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.942758][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.942758][ T73] netlink_unicast+0x449/0x710 [ 2922.942758][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.942758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.942758][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.942758][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.942758][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.942758][ T73] [ 2922.944700][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.944700][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2922.944700][ T73] ipv6_find_idev+0x102/0x170 [ 2922.944700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.944700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.944700][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.944700][ T73] netlink_unicast+0x449/0x710 [ 2922.944700][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.944700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.944700][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.944700][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.944700][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.944700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.944700][ T73] [ 2922.946218][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2922.946218][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2922.946218][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2922.946218][ T73] ipv6_find_idev+0x102/0x170 [ 2922.946218][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.946218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.946218][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.946218][ T73] netlink_unicast+0x449/0x710 [ 2922.946218][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.946218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.946218][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.946218][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.946218][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.946218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.946218][ T73] [ 2922.947901][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2922.948164][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.948164][ T73] dst_init+0x84/0x4a0 [ 2922.948164][ T73] dst_alloc+0x97/0x150 [ 2922.948164][ T73] ip6_dst_alloc+0x23/0x90 [ 2922.948164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.948164][ T73] ip6_pol_route+0x56f/0x840 [ 2922.948164][ T73] fib6_rule_lookup+0x456/0x630 [ 2922.948164][ T73] ip6_route_input+0x59c/0xa50 [ 2922.948164][ T73] ipv6_rcv+0x397/0x810 [ 2922.948164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2922.948164][ T73] process_backlog+0x101/0x620 [ 2922.948164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2922.948164][ T73] net_rx_action+0x495/0xbe0 [ 2922.948164][ T73] __do_softirq+0x1b5/0x7f6 [ 2922.948164][ T73] [ 2922.949786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.949786][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.949786][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.949786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.949786][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2922.949786][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.949786][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2922.949786][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.949786][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2922.949786][ T73] addrconf_dad_begin+0x310/0x670 [ 2922.949786][ T73] addrconf_dad_work+0x10b/0xab0 [ 2922.949786][ T73] process_one_work+0x84d/0x18a0 [ 2922.949786][ T73] worker_thread+0x587/0xd30 [ 2922.949786][ T73] kthread+0x28a/0x350 [ 2922.949786][ T73] ret_from_fork+0x31/0x70 [ 2922.949786][ T73] ret_from_fork_asm+0x1a/0x30 [ 2922.949786][ T73] [ 2922.951674][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.951674][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.951674][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.951674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.951674][ T73] ip6_route_add+0x1c/0x140 [ 2922.951674][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2922.951674][ T73] inet6_addr_add+0x4f8/0xa40 [ 2922.951674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.951674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.951674][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.951674][ T73] netlink_unicast+0x449/0x710 [ 2922.951674][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.951674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.951674][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.951674][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.951674][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.951674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.951674][ T73] [ 2922.953649][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.953649][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.953649][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.953649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.953649][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2922.953649][ T73] ipv6_add_addr+0x411/0x2000 [ 2922.953649][ T73] inet6_addr_add+0x30e/0xa40 [ 2922.953649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.953649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.953649][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.953649][ T73] netlink_unicast+0x449/0x710 [ 2922.953649][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.953649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.953649][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.953649][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.953649][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.953649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.953649][ T73] [ 2922.955629][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.955629][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.955629][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.955629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.955629][ T73] ip6_route_add+0x1c/0x140 [ 2922.955629][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.955629][ T73] addrconf_add_dev+0xe2/0x170 [ 2922.955629][ T73] inet6_addr_add+0x12f/0xa40 [ 2922.955629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.955629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.955629][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.955629][ T73] netlink_unicast+0x449/0x710 [ 2922.955629][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.955629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.955629][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.955629][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.955629][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.955629][ T73] [ 2922.957574][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.957574][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2922.957574][ T73] ipv6_find_idev+0x102/0x170 [ 2922.957574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.957574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.957574][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.957574][ T73] netlink_unicast+0x449/0x710 [ 2922.957574][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.957574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.957574][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.957574][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.957574][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.957574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.957574][ T73] [ 2922.959094][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2922.959094][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2922.959094][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2922.959094][ T73] ipv6_find_idev+0x102/0x170 [ 2922.959094][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.959094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.959094][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.959094][ T73] netlink_unicast+0x449/0x710 [ 2922.959094][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.959094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.959094][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.959094][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.959094][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.959094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.959094][ T73] [ 2922.960907][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2922.961173][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.961173][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2922.961173][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2922.961173][ T73] fib6_nh_init+0xa22/0x1580 [ 2922.961173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.961173][ T73] ip6_route_add+0x1c/0x140 [ 2922.961173][ T73] inet6_rtm_newroute+0x104/0x110 [ 2922.961173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.961173][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.961173][ T73] netlink_unicast+0x449/0x710 [ 2922.961173][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.961173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.961173][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.961173][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.961173][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.961173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.961173][ T73] [ 2922.963331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.963331][ T73] dst_init+0x84/0x4a0 [ 2922.963331][ T73] dst_alloc+0x97/0x150 [ 2922.963331][ T73] ip6_dst_alloc+0x23/0x90 [ 2922.963331][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.963331][ T73] ip6_pol_route+0x56f/0x840 [ 2922.963331][ T73] fib6_rule_lookup+0x456/0x630 [ 2922.963331][ T73] ip6_route_input+0x59c/0xa50 [ 2922.963331][ T73] ipv6_rcv+0x397/0x810 [ 2922.963331][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2922.963331][ T73] process_backlog+0x101/0x620 [ 2922.963331][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2922.963331][ T73] net_rx_action+0x495/0xbe0 [ 2922.963331][ T73] __do_softirq+0x1b5/0x7f6 [ 2922.963331][ T73] [ 2922.965125][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.965125][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.965125][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.965125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.965125][ T73] ip6_route_add+0x1c/0x140 [ 2922.965125][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2922.965125][ T73] inet6_addr_add+0x4f8/0xa40 [ 2922.965125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.965125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.965125][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.965125][ T73] netlink_unicast+0x449/0x710 [ 2922.965125][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.965125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.965125][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.965125][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.965125][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.965125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.965125][ T73] [ 2922.967349][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.967349][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.967349][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.967349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.967349][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2922.967349][ T73] ipv6_add_addr+0x411/0x2000 [ 2922.967349][ T73] inet6_addr_add+0x30e/0xa40 [ 2922.967349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.967349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.967349][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.967349][ T73] netlink_unicast+0x449/0x710 [ 2922.967349][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.967349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.967349][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.967349][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.967349][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.967349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.967349][ T73] [ 2922.969509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.969509][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.969509][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.969509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.969509][ T73] ip6_route_add+0x1c/0x140 [ 2922.969509][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.969509][ T73] addrconf_add_dev+0xe2/0x170 [ 2922.969509][ T73] inet6_addr_add+0x12f/0xa40 [ 2922.969509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.969509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.969509][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.969509][ T73] netlink_unicast+0x449/0x710 [ 2922.969509][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.969509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.969509][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.969509][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.969509][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.969509][ T73] [ 2922.971765][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.971765][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2922.971765][ T73] ipv6_find_idev+0x102/0x170 [ 2922.971765][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.971765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.971765][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.971765][ T73] netlink_unicast+0x449/0x710 [ 2922.971765][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.971765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.971765][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.971765][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.971765][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.971765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.971765][ T73] [ 2922.973478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2922.973478][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2922.973478][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2922.973478][ T73] ipv6_find_idev+0x102/0x170 [ 2922.973478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.973478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.973478][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.973478][ T73] netlink_unicast+0x449/0x710 [ 2922.973478][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.973478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.973478][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.973478][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.973478][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.973478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.973478][ T73] [ 2922.975382][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2922.975653][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2922.975653][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.975653][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.975653][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.975653][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2922.975653][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.975653][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2922.975653][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.975653][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2922.975653][ T73] addrconf_dad_begin+0x310/0x670 [ 2922.975653][ T73] addrconf_dad_work+0x10b/0xab0 [ 2922.975653][ T73] process_one_work+0x84d/0x18a0 [ 2922.975653][ T73] worker_thread+0x587/0xd30 [ 2922.975653][ T73] kthread+0x28a/0x350 [ 2922.975653][ T73] ret_from_fork+0x31/0x70 [ 2922.975653][ T73] ret_from_fork_asm+0x1a/0x30 [ 2922.975653][ T73] [ 2922.977792][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2922.977792][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.977792][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.977792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.977792][ T73] ip6_route_add+0x1c/0x140 [ 2922.977792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2922.977792][ T73] inet6_addr_add+0x4f8/0xa40 [ 2922.977792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.977792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.977792][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.977792][ T73] netlink_unicast+0x449/0x710 [ 2922.977792][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.977792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.977792][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.977792][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.977792][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.977792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.977792][ T73] [ 2922.979945][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2922.979945][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.979945][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.979945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.979945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2922.979945][ T73] ipv6_add_addr+0x411/0x2000 [ 2922.979945][ T73] inet6_addr_add+0x30e/0xa40 [ 2922.979945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.979945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.979945][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.979945][ T73] netlink_unicast+0x449/0x710 [ 2922.979945][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.979945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.979945][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.979945][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.979945][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.979945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.979945][ T73] [ 2922.982229][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2922.982229][ T73] netdev_get_by_index+0x5e/0x80 [ 2922.982229][ T73] fib6_nh_init+0x3d8/0x1580 [ 2922.982229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2922.982229][ T73] ip6_route_add+0x1c/0x140 [ 2922.982229][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.982229][ T73] addrconf_add_dev+0xe2/0x170 [ 2922.982229][ T73] inet6_addr_add+0x12f/0xa40 [ 2922.982229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.982229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.982229][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.982229][ T73] netlink_unicast+0x449/0x710 [ 2922.982229][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.982229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.982229][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.982229][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.982229][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.982229][ T73] [ 2922.984411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2922.984411][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2922.984411][ T73] ipv6_find_idev+0x102/0x170 [ 2922.984411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.984411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.984411][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.984411][ T73] netlink_unicast+0x449/0x710 [ 2922.984411][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.984411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.984411][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.984411][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.984411][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.984411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.984411][ T73] [ 2922.986115][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2922.986115][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2922.986115][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2922.986115][ T73] ipv6_find_idev+0x102/0x170 [ 2922.986115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.986115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.986115][ T73] netlink_rcv_skb+0x130/0x360 [ 2922.986115][ T73] netlink_unicast+0x449/0x710 [ 2922.986115][ T73] netlink_sendmsg+0x723/0xbe0 [ 2922.986115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2922.986115][ T73] ___sys_sendmsg+0xee/0x170 [ 2922.986115][ T73] __sys_sendmsg+0xcd/0x170 [ 2922.986115][ T73] do_syscall_64+0xc6/0x1e0 [ 2922.986115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.986115][ T73] [ 2933.118915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2933.119335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.119335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2933.119335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2933.119335][ T73] fib6_nh_init+0xa22/0x1580 [ 2933.119335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.119335][ T73] ip6_route_add+0x1c/0x140 [ 2933.119335][ T73] inet6_rtm_newroute+0x104/0x110 [ 2933.119335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.119335][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.119335][ T73] netlink_unicast+0x449/0x710 [ 2933.119335][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.119335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.119335][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.119335][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.119335][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.119335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.119335][ T73] [ 2933.121256][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.121256][ T73] dst_init+0x84/0x4a0 [ 2933.121256][ T73] dst_alloc+0x97/0x150 [ 2933.121256][ T73] ip6_dst_alloc+0x23/0x90 [ 2933.121256][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2933.121256][ T73] ip6_pol_route+0x56f/0x840 [ 2933.121256][ T73] fib6_rule_lookup+0x456/0x630 [ 2933.121256][ T73] ip6_route_input+0x59c/0xa50 [ 2933.121256][ T73] ipv6_rcv+0x397/0x810 [ 2933.121256][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2933.121256][ T73] process_backlog+0x101/0x620 [ 2933.121256][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2933.121256][ T73] net_rx_action+0x495/0xbe0 [ 2933.121256][ T73] __do_softirq+0x1b5/0x7f6 [ 2933.121256][ T73] [ 2933.122912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.122912][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.122912][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.122912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.122912][ T73] ip6_route_add+0x1c/0x140 [ 2933.122912][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2933.122912][ T73] inet6_addr_add+0x4f8/0xa40 [ 2933.122912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.122912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.122912][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.122912][ T73] netlink_unicast+0x449/0x710 [ 2933.122912][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.122912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.122912][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.122912][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.122912][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.122912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.122912][ T73] [ 2933.124935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.124935][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.124935][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.124935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.124935][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2933.124935][ T73] ipv6_add_addr+0x411/0x2000 [ 2933.124935][ T73] inet6_addr_add+0x30e/0xa40 [ 2933.124935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.124935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.124935][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.124935][ T73] netlink_unicast+0x449/0x710 [ 2933.124935][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.124935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.124935][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.124935][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.124935][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.124935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.124935][ T73] [ 2933.126991][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.126991][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.126991][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.126991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.126991][ T73] ip6_route_add+0x1c/0x140 [ 2933.126991][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2933.126991][ T73] addrconf_add_dev+0xe2/0x170 [ 2933.126991][ T73] inet6_addr_add+0x12f/0xa40 [ 2933.126991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.126991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.126991][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.126991][ T73] netlink_unicast+0x449/0x710 [ 2933.126991][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.126991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.126991][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.126991][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.126991][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.126991][ T73] [ 2933.128978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.128978][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2933.128978][ T73] ipv6_find_idev+0x102/0x170 [ 2933.128978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.128978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.128978][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.128978][ T73] netlink_unicast+0x449/0x710 [ 2933.128978][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.128978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.128978][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.128978][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.128978][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.128978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.128978][ T73] [ 2933.130535][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2933.130535][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2933.130535][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2933.130535][ T73] ipv6_find_idev+0x102/0x170 [ 2933.130535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.130535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.130535][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.130535][ T73] netlink_unicast+0x449/0x710 [ 2933.130535][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.130535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.130535][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.130535][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.130535][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.130535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.130535][ T73] [ 2933.132249][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2933.132524][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.132524][ T73] dst_init+0x84/0x4a0 [ 2933.132524][ T73] dst_alloc+0x97/0x150 [ 2933.132524][ T73] ip6_dst_alloc+0x23/0x90 [ 2933.132524][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2933.132524][ T73] ip6_pol_route+0x56f/0x840 [ 2933.132524][ T73] fib6_rule_lookup+0x456/0x630 [ 2933.132524][ T73] ip6_route_input+0x59c/0xa50 [ 2933.132524][ T73] ipv6_rcv+0x397/0x810 [ 2933.132524][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2933.132524][ T73] process_backlog+0x101/0x620 [ 2933.132524][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2933.132524][ T73] net_rx_action+0x495/0xbe0 [ 2933.132524][ T73] __do_softirq+0x1b5/0x7f6 [ 2933.132524][ T73] [ 2933.134172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.134172][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.134172][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.134172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.134172][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2933.134172][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2933.134172][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2933.134172][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2933.134172][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2933.134172][ T73] addrconf_dad_begin+0x310/0x670 [ 2933.134172][ T73] addrconf_dad_work+0x10b/0xab0 [ 2933.134172][ T73] process_one_work+0x84d/0x18a0 [ 2933.134172][ T73] worker_thread+0x587/0xd30 [ 2933.134172][ T73] kthread+0x28a/0x350 [ 2933.134172][ T73] ret_from_fork+0x31/0x70 [ 2933.134172][ T73] ret_from_fork_asm+0x1a/0x30 [ 2933.134172][ T73] [ 2933.136099][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.136099][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.136099][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.136099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.136099][ T73] ip6_route_add+0x1c/0x140 [ 2933.136099][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2933.136099][ T73] inet6_addr_add+0x4f8/0xa40 [ 2933.136099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.136099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.136099][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.136099][ T73] netlink_unicast+0x449/0x710 [ 2933.136099][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.136099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.136099][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.136099][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.136099][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.136099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.136099][ T73] [ 2933.138293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.138293][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.138293][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.138293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.138293][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2933.138293][ T73] ipv6_add_addr+0x411/0x2000 [ 2933.138293][ T73] inet6_addr_add+0x30e/0xa40 [ 2933.138293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.138293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.138293][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.138293][ T73] netlink_unicast+0x449/0x710 [ 2933.138293][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.138293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.138293][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.138293][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.138293][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.138293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.138293][ T73] [ 2933.140318][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.140318][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.140318][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.140318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.140318][ T73] ip6_route_add+0x1c/0x140 [ 2933.140318][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2933.140318][ T73] addrconf_add_dev+0xe2/0x170 [ 2933.140318][ T73] inet6_addr_add+0x12f/0xa40 [ 2933.140318][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.140318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.140318][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.140318][ T73] netlink_unicast+0x449/0x710 [ 2933.140318][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.140318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.140318][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.140318][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.140318][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.140318][ T73] [ 2933.142317][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.142317][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2933.142317][ T73] ipv6_find_idev+0x102/0x170 [ 2933.142317][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.142317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.142317][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.142317][ T73] netlink_unicast+0x449/0x710 [ 2933.142317][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.142317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.142317][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.142317][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.142317][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.142317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.142317][ T73] [ 2933.143875][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2933.143875][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2933.143875][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2933.143875][ T73] ipv6_find_idev+0x102/0x170 [ 2933.143875][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.143875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.143875][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.143875][ T73] netlink_unicast+0x449/0x710 [ 2933.143875][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.143875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.143875][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.143875][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.143875][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.143875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.143875][ T73] [ 2933.145715][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2933.146001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.146001][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2933.146001][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2933.146001][ T73] fib6_nh_init+0xa22/0x1580 [ 2933.146001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.146001][ T73] ip6_route_add+0x1c/0x140 [ 2933.146001][ T73] inet6_rtm_newroute+0x104/0x110 [ 2933.146001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.146001][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.146001][ T73] netlink_unicast+0x449/0x710 [ 2933.146001][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.146001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.146001][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.146001][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.146001][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.146001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.146001][ T73] [ 2933.148221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.148221][ T73] dst_init+0x84/0x4a0 [ 2933.148221][ T73] dst_alloc+0x97/0x150 [ 2933.148221][ T73] ip6_dst_alloc+0x23/0x90 [ 2933.148221][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2933.148221][ T73] ip6_pol_route+0x56f/0x840 [ 2933.148221][ T73] fib6_rule_lookup+0x456/0x630 [ 2933.148221][ T73] ip6_route_input+0x59c/0xa50 [ 2933.148221][ T73] ipv6_rcv+0x397/0x810 [ 2933.148221][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2933.148221][ T73] process_backlog+0x101/0x620 [ 2933.148221][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2933.148221][ T73] net_rx_action+0x495/0xbe0 [ 2933.148221][ T73] __do_softirq+0x1b5/0x7f6 [ 2933.148221][ T73] [ 2933.150063][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.150063][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.150063][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.150063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.150063][ T73] ip6_route_add+0x1c/0x140 [ 2933.150063][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2933.150063][ T73] inet6_addr_add+0x4f8/0xa40 [ 2933.150063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.150063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.150063][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.150063][ T73] netlink_unicast+0x449/0x710 [ 2933.150063][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.150063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.150063][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.150063][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.150063][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.150063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.150063][ T73] [ 2933.152331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.152331][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.152331][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.152331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.152331][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2933.152331][ T73] ipv6_add_addr+0x411/0x2000 [ 2933.152331][ T73] inet6_addr_add+0x30e/0xa40 [ 2933.152331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.152331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.152331][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.152331][ T73] netlink_unicast+0x449/0x710 [ 2933.152331][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.152331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.152331][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.152331][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.152331][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.152331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.152331][ T73] [ 2933.154585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.154585][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.154585][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.154585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.154585][ T73] ip6_route_add+0x1c/0x140 [ 2933.154585][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2933.154585][ T73] addrconf_add_dev+0xe2/0x170 [ 2933.154585][ T73] inet6_addr_add+0x12f/0xa40 [ 2933.154585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.154585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.154585][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.154585][ T73] netlink_unicast+0x449/0x710 [ 2933.154585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.154585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.154585][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.154585][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.154585][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.154585][ T73] [ 2933.156845][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.156845][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2933.156845][ T73] ipv6_find_idev+0x102/0x170 [ 2933.156845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.156845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.156845][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.156845][ T73] netlink_unicast+0x449/0x710 [ 2933.156845][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.156845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.156845][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.156845][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.156845][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.156845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.156845][ T73] [ 2933.158585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2933.158585][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2933.158585][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2933.158585][ T73] ipv6_find_idev+0x102/0x170 [ 2933.158585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.158585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.158585][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.158585][ T73] netlink_unicast+0x449/0x710 [ 2933.158585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.158585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.158585][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.158585][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.158585][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.158585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.158585][ T73] [ 2933.160531][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2933.160804][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2933.160804][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.160804][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.160804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.160804][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2933.160804][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2933.160804][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2933.160804][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2933.160804][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2933.160804][ T73] addrconf_dad_begin+0x310/0x670 [ 2933.160804][ T73] addrconf_dad_work+0x10b/0xab0 [ 2933.160804][ T73] process_one_work+0x84d/0x18a0 [ 2933.160804][ T73] worker_thread+0x587/0xd30 [ 2933.160804][ T73] kthread+0x28a/0x350 [ 2933.160804][ T73] ret_from_fork+0x31/0x70 [ 2933.160804][ T73] ret_from_fork_asm+0x1a/0x30 [ 2933.160804][ T73] [ 2933.162977][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2933.162977][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.162977][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.162977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.162977][ T73] ip6_route_add+0x1c/0x140 [ 2933.162977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2933.162977][ T73] inet6_addr_add+0x4f8/0xa40 [ 2933.162977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.162977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.162977][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.162977][ T73] netlink_unicast+0x449/0x710 [ 2933.162977][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.162977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.162977][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.162977][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.162977][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.162977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.162977][ T73] [ 2933.165204][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2933.165204][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.165204][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.165204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.165204][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2933.165204][ T73] ipv6_add_addr+0x411/0x2000 [ 2933.165204][ T73] inet6_addr_add+0x30e/0xa40 [ 2933.165204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.165204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.165204][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.165204][ T73] netlink_unicast+0x449/0x710 [ 2933.165204][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.165204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.165204][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.165204][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.165204][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.165204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.165204][ T73] [ 2933.167536][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2933.167536][ T73] netdev_get_by_index+0x5e/0x80 [ 2933.167536][ T73] fib6_nh_init+0x3d8/0x1580 [ 2933.167536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2933.167536][ T73] ip6_route_add+0x1c/0x140 [ 2933.167536][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2933.167536][ T73] addrconf_add_dev+0xe2/0x170 [ 2933.167536][ T73] inet6_addr_add+0x12f/0xa40 [ 2933.167536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.167536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.167536][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.167536][ T73] netlink_unicast+0x449/0x710 [ 2933.167536][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.167536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.167536][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.167536][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.167536][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.167536][ T73] [ 2933.169908][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2933.169908][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2933.169908][ T73] ipv6_find_idev+0x102/0x170 [ 2933.169908][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.169908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.169908][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.169908][ T73] netlink_unicast+0x449/0x710 [ 2933.169908][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.169908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.169908][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.169908][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.169908][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.169908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.169908][ T73] [ 2933.171640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2933.171640][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2933.171640][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2933.171640][ T73] ipv6_find_idev+0x102/0x170 [ 2933.171640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.171640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.171640][ T73] netlink_rcv_skb+0x130/0x360 [ 2933.171640][ T73] netlink_unicast+0x449/0x710 [ 2933.171640][ T73] netlink_sendmsg+0x723/0xbe0 [ 2933.171640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2933.171640][ T73] ___sys_sendmsg+0xee/0x170 [ 2933.171640][ T73] __sys_sendmsg+0xcd/0x170 [ 2933.171640][ T73] do_syscall_64+0xc6/0x1e0 [ 2933.171640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.171640][ T73] [ 2943.254928][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2943.255387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.255387][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2943.255387][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2943.255387][ T73] fib6_nh_init+0xa22/0x1580 [ 2943.255387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.255387][ T73] ip6_route_add+0x1c/0x140 [ 2943.255387][ T73] inet6_rtm_newroute+0x104/0x110 [ 2943.255387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.255387][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.255387][ T73] netlink_unicast+0x449/0x710 [ 2943.255387][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.255387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.255387][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.255387][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.255387][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.255387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.255387][ T73] [ 2943.257288][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.257288][ T73] dst_init+0x84/0x4a0 [ 2943.257288][ T73] dst_alloc+0x97/0x150 [ 2943.257288][ T73] ip6_dst_alloc+0x23/0x90 [ 2943.257288][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2943.257288][ T73] ip6_pol_route+0x56f/0x840 [ 2943.257288][ T73] fib6_rule_lookup+0x456/0x630 [ 2943.257288][ T73] ip6_route_input+0x59c/0xa50 [ 2943.257288][ T73] ipv6_rcv+0x397/0x810 [ 2943.257288][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2943.257288][ T73] process_backlog+0x101/0x620 [ 2943.257288][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2943.257288][ T73] net_rx_action+0x495/0xbe0 [ 2943.257288][ T73] __do_softirq+0x1b5/0x7f6 [ 2943.257288][ T73] [ 2943.258924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.258924][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.258924][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.258924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.258924][ T73] ip6_route_add+0x1c/0x140 [ 2943.258924][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2943.258924][ T73] inet6_addr_add+0x4f8/0xa40 [ 2943.258924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.258924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.258924][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.258924][ T73] netlink_unicast+0x449/0x710 [ 2943.258924][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.258924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.258924][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.258924][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.258924][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.258924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.258924][ T73] [ 2943.260917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.260917][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.260917][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.260917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.260917][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2943.260917][ T73] ipv6_add_addr+0x411/0x2000 [ 2943.260917][ T73] inet6_addr_add+0x30e/0xa40 [ 2943.260917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.260917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.260917][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.260917][ T73] netlink_unicast+0x449/0x710 [ 2943.260917][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.260917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.260917][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.260917][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.260917][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.260917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.260917][ T73] [ 2943.262909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.262909][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.262909][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.262909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.262909][ T73] ip6_route_add+0x1c/0x140 [ 2943.262909][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2943.262909][ T73] addrconf_add_dev+0xe2/0x170 [ 2943.262909][ T73] inet6_addr_add+0x12f/0xa40 [ 2943.262909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.262909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.262909][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.262909][ T73] netlink_unicast+0x449/0x710 [ 2943.262909][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.262909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.262909][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.262909][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.262909][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.262909][ T73] [ 2943.264866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.264866][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2943.264866][ T73] ipv6_find_idev+0x102/0x170 [ 2943.264866][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.264866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.264866][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.264866][ T73] netlink_unicast+0x449/0x710 [ 2943.264866][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.264866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.264866][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.264866][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.264866][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.264866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.264866][ T73] [ 2943.266397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2943.266397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2943.266397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2943.266397][ T73] ipv6_find_idev+0x102/0x170 [ 2943.266397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.266397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.266397][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.266397][ T73] netlink_unicast+0x449/0x710 [ 2943.266397][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.266397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.266397][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.266397][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.266397][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.266397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.266397][ T73] [ 2943.268092][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2943.268362][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.268362][ T73] dst_init+0x84/0x4a0 [ 2943.268362][ T73] dst_alloc+0x97/0x150 [ 2943.268362][ T73] ip6_dst_alloc+0x23/0x90 [ 2943.268362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2943.268362][ T73] ip6_pol_route+0x56f/0x840 [ 2943.268362][ T73] fib6_rule_lookup+0x456/0x630 [ 2943.268362][ T73] ip6_route_input+0x59c/0xa50 [ 2943.268362][ T73] ipv6_rcv+0x397/0x810 [ 2943.268362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2943.268362][ T73] process_backlog+0x101/0x620 [ 2943.268362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2943.268362][ T73] net_rx_action+0x495/0xbe0 [ 2943.268362][ T73] __do_softirq+0x1b5/0x7f6 [ 2943.268362][ T73] [ 2943.269993][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.269993][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.269993][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.269993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.269993][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2943.269993][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2943.269993][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2943.269993][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2943.269993][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2943.269993][ T73] addrconf_dad_begin+0x310/0x670 [ 2943.269993][ T73] addrconf_dad_work+0x10b/0xab0 [ 2943.269993][ T73] process_one_work+0x84d/0x18a0 [ 2943.269993][ T73] worker_thread+0x587/0xd30 [ 2943.269993][ T73] kthread+0x28a/0x350 [ 2943.269993][ T73] ret_from_fork+0x31/0x70 [ 2943.269993][ T73] ret_from_fork_asm+0x1a/0x30 [ 2943.269993][ T73] [ 2943.271887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.271887][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.271887][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.271887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.271887][ T73] ip6_route_add+0x1c/0x140 [ 2943.271887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2943.271887][ T73] inet6_addr_add+0x4f8/0xa40 [ 2943.271887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.271887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.271887][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.271887][ T73] netlink_unicast+0x449/0x710 [ 2943.271887][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.271887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.271887][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.271887][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.271887][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.271887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.271887][ T73] [ 2943.273877][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.273877][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.273877][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.273877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.273877][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2943.273877][ T73] ipv6_add_addr+0x411/0x2000 [ 2943.273877][ T73] inet6_addr_add+0x30e/0xa40 [ 2943.273877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.273877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.273877][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.273877][ T73] netlink_unicast+0x449/0x710 [ 2943.273877][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.273877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.273877][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.273877][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.273877][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.273877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.273877][ T73] [ 2943.275867][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.275867][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.275867][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.275867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.275867][ T73] ip6_route_add+0x1c/0x140 [ 2943.275867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2943.275867][ T73] addrconf_add_dev+0xe2/0x170 [ 2943.275867][ T73] inet6_addr_add+0x12f/0xa40 [ 2943.275867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.275867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.275867][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.275867][ T73] netlink_unicast+0x449/0x710 [ 2943.275867][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.275867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.275867][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.275867][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.275867][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.275867][ T73] [ 2943.277835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.277835][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2943.277835][ T73] ipv6_find_idev+0x102/0x170 [ 2943.277835][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.277835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.277835][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.277835][ T73] netlink_unicast+0x449/0x710 [ 2943.277835][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.277835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.277835][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.277835][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.277835][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.277835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.277835][ T73] [ 2943.279363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2943.279363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2943.279363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2943.279363][ T73] ipv6_find_idev+0x102/0x170 [ 2943.279363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.279363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.279363][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.279363][ T73] netlink_unicast+0x449/0x710 [ 2943.279363][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.279363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.279363][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.279363][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.279363][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.279363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.279363][ T73] [ 2943.281152][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2943.281415][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.281415][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2943.281415][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2943.281415][ T73] fib6_nh_init+0xa22/0x1580 [ 2943.281415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.281415][ T73] ip6_route_add+0x1c/0x140 [ 2943.281415][ T73] inet6_rtm_newroute+0x104/0x110 [ 2943.281415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.281415][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.281415][ T73] netlink_unicast+0x449/0x710 [ 2943.281415][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.281415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.281415][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.281415][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.281415][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.281415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.281415][ T73] [ 2943.283581][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.283581][ T73] dst_init+0x84/0x4a0 [ 2943.283581][ T73] dst_alloc+0x97/0x150 [ 2943.283581][ T73] ip6_dst_alloc+0x23/0x90 [ 2943.283581][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2943.283581][ T73] ip6_pol_route+0x56f/0x840 [ 2943.283581][ T73] fib6_rule_lookup+0x456/0x630 [ 2943.283581][ T73] ip6_route_input+0x59c/0xa50 [ 2943.283581][ T73] ipv6_rcv+0x397/0x810 [ 2943.283581][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2943.283581][ T73] process_backlog+0x101/0x620 [ 2943.283581][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2943.283581][ T73] net_rx_action+0x495/0xbe0 [ 2943.283581][ T73] __do_softirq+0x1b5/0x7f6 [ 2943.283581][ T73] [ 2943.285383][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.285383][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.285383][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.285383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.285383][ T73] ip6_route_add+0x1c/0x140 [ 2943.285383][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2943.285383][ T73] inet6_addr_add+0x4f8/0xa40 [ 2943.285383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.285383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.285383][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.285383][ T73] netlink_unicast+0x449/0x710 [ 2943.285383][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.285383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.285383][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.285383][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.285383][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.285383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.285383][ T73] [ 2943.287619][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.287619][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.287619][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.287619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.287619][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2943.287619][ T73] ipv6_add_addr+0x411/0x2000 [ 2943.287619][ T73] inet6_addr_add+0x30e/0xa40 [ 2943.287619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.287619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.287619][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.287619][ T73] netlink_unicast+0x449/0x710 [ 2943.287619][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.287619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.287619][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.287619][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.287619][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.287619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.287619][ T73] [ 2943.289843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.289843][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.289843][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.289843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.289843][ T73] ip6_route_add+0x1c/0x140 [ 2943.289843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2943.289843][ T73] addrconf_add_dev+0xe2/0x170 [ 2943.289843][ T73] inet6_addr_add+0x12f/0xa40 [ 2943.289843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.289843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.289843][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.289843][ T73] netlink_unicast+0x449/0x710 [ 2943.289843][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.289843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.289843][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.289843][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.289843][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.289843][ T73] [ 2943.292098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.292098][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2943.292098][ T73] ipv6_find_idev+0x102/0x170 [ 2943.292098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.292098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.292098][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.292098][ T73] netlink_unicast+0x449/0x710 [ 2943.292098][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.292098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.292098][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.292098][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.292098][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.292098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.292098][ T73] [ 2943.293806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2943.293806][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2943.293806][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2943.293806][ T73] ipv6_find_idev+0x102/0x170 [ 2943.293806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.293806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.293806][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.293806][ T73] netlink_unicast+0x449/0x710 [ 2943.293806][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.293806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.293806][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.293806][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.293806][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.293806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.293806][ T73] [ 2943.295659][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2943.295931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2943.295931][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.295931][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.295931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.295931][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2943.295931][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2943.295931][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2943.295931][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2943.295931][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2943.295931][ T73] addrconf_dad_begin+0x310/0x670 [ 2943.295931][ T73] addrconf_dad_work+0x10b/0xab0 [ 2943.295931][ T73] process_one_work+0x84d/0x18a0 [ 2943.295931][ T73] worker_thread+0x587/0xd30 [ 2943.295931][ T73] kthread+0x28a/0x350 [ 2943.295931][ T73] ret_from_fork+0x31/0x70 [ 2943.295931][ T73] ret_from_fork_asm+0x1a/0x30 [ 2943.295931][ T73] [ 2943.298082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2943.298082][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.298082][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.298082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.298082][ T73] ip6_route_add+0x1c/0x140 [ 2943.298082][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2943.298082][ T73] inet6_addr_add+0x4f8/0xa40 [ 2943.298082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.298082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.298082][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.298082][ T73] netlink_unicast+0x449/0x710 [ 2943.298082][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.298082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.298082][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.298082][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.298082][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.298082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.298082][ T73] [ 2943.300307][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2943.300307][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.300307][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.300307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.300307][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2943.300307][ T73] ipv6_add_addr+0x411/0x2000 [ 2943.300307][ T73] inet6_addr_add+0x30e/0xa40 [ 2943.300307][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.300307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.300307][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.300307][ T73] netlink_unicast+0x449/0x710 [ 2943.300307][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.300307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.300307][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.300307][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.300307][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.300307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.300307][ T73] [ 2943.302599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2943.302599][ T73] netdev_get_by_index+0x5e/0x80 [ 2943.302599][ T73] fib6_nh_init+0x3d8/0x1580 [ 2943.302599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2943.302599][ T73] ip6_route_add+0x1c/0x140 [ 2943.302599][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2943.302599][ T73] addrconf_add_dev+0xe2/0x170 [ 2943.302599][ T73] inet6_addr_add+0x12f/0xa40 [ 2943.302599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.302599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.302599][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.302599][ T73] netlink_unicast+0x449/0x710 [ 2943.302599][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.302599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.302599][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.302599][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.302599][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.302599][ T73] [ 2943.304739][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2943.304739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2943.304739][ T73] ipv6_find_idev+0x102/0x170 [ 2943.304739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.304739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.304739][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.304739][ T73] netlink_unicast+0x449/0x710 [ 2943.304739][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.304739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.304739][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.304739][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.304739][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.304739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.304739][ T73] [ 2943.306448][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2943.306448][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2943.306448][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2943.306448][ T73] ipv6_find_idev+0x102/0x170 [ 2943.306448][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.306448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.306448][ T73] netlink_rcv_skb+0x130/0x360 [ 2943.306448][ T73] netlink_unicast+0x449/0x710 [ 2943.306448][ T73] netlink_sendmsg+0x723/0xbe0 [ 2943.306448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2943.306448][ T73] ___sys_sendmsg+0xee/0x170 [ 2943.306448][ T73] __sys_sendmsg+0xcd/0x170 [ 2943.306448][ T73] do_syscall_64+0xc6/0x1e0 [ 2943.306448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.306448][ T73] [ 2953.550911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2953.551356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.551356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2953.551356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2953.551356][ T73] fib6_nh_init+0xa22/0x1580 [ 2953.551356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.551356][ T73] ip6_route_add+0x1c/0x140 [ 2953.551356][ T73] inet6_rtm_newroute+0x104/0x110 [ 2953.551356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.551356][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.551356][ T73] netlink_unicast+0x449/0x710 [ 2953.551356][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.551356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.551356][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.551356][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.551356][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.551356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.551356][ T73] [ 2953.553376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.553376][ T73] dst_init+0x84/0x4a0 [ 2953.553376][ T73] dst_alloc+0x97/0x150 [ 2953.553376][ T73] ip6_dst_alloc+0x23/0x90 [ 2953.553376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2953.553376][ T73] ip6_pol_route+0x56f/0x840 [ 2953.553376][ T73] fib6_rule_lookup+0x456/0x630 [ 2953.553376][ T73] ip6_route_input+0x59c/0xa50 [ 2953.553376][ T73] ipv6_rcv+0x397/0x810 [ 2953.553376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2953.553376][ T73] process_backlog+0x101/0x620 [ 2953.553376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2953.553376][ T73] net_rx_action+0x495/0xbe0 [ 2953.553376][ T73] __do_softirq+0x1b5/0x7f6 [ 2953.553376][ T73] [ 2953.555013][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.555013][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.555013][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.555013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.555013][ T73] ip6_route_add+0x1c/0x140 [ 2953.555013][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2953.555013][ T73] inet6_addr_add+0x4f8/0xa40 [ 2953.555013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.555013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.555013][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.555013][ T73] netlink_unicast+0x449/0x710 [ 2953.555013][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.555013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.555013][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.555013][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.555013][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.555013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.555013][ T73] [ 2953.557022][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.557022][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.557022][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.557022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.557022][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2953.557022][ T73] ipv6_add_addr+0x411/0x2000 [ 2953.557022][ T73] inet6_addr_add+0x30e/0xa40 [ 2953.557022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.557022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.557022][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.557022][ T73] netlink_unicast+0x449/0x710 [ 2953.557022][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.557022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.557022][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.557022][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.557022][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.557022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.557022][ T73] [ 2953.559018][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.559018][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.559018][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.559018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.559018][ T73] ip6_route_add+0x1c/0x140 [ 2953.559018][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2953.559018][ T73] addrconf_add_dev+0xe2/0x170 [ 2953.559018][ T73] inet6_addr_add+0x12f/0xa40 [ 2953.559018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.559018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.559018][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.559018][ T73] netlink_unicast+0x449/0x710 [ 2953.559018][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.559018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.559018][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.559018][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.559018][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.559018][ T73] [ 2953.560968][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.560968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2953.560968][ T73] ipv6_find_idev+0x102/0x170 [ 2953.560968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.560968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.560968][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.560968][ T73] netlink_unicast+0x449/0x710 [ 2953.560968][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.560968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.560968][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.560968][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.560968][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.560968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.560968][ T73] [ 2953.562495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2953.562495][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2953.562495][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2953.562495][ T73] ipv6_find_idev+0x102/0x170 [ 2953.562495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.562495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.562495][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.562495][ T73] netlink_unicast+0x449/0x710 [ 2953.562495][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.562495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.562495][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.562495][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.562495][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.562495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.562495][ T73] [ 2953.564171][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2953.564442][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.564442][ T73] dst_init+0x84/0x4a0 [ 2953.564442][ T73] dst_alloc+0x97/0x150 [ 2953.564442][ T73] ip6_dst_alloc+0x23/0x90 [ 2953.564442][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2953.564442][ T73] ip6_pol_route+0x56f/0x840 [ 2953.564442][ T73] fib6_rule_lookup+0x456/0x630 [ 2953.564442][ T73] ip6_route_input+0x59c/0xa50 [ 2953.564442][ T73] ipv6_rcv+0x397/0x810 [ 2953.564442][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2953.564442][ T73] process_backlog+0x101/0x620 [ 2953.564442][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2953.564442][ T73] net_rx_action+0x495/0xbe0 [ 2953.564442][ T73] __do_softirq+0x1b5/0x7f6 [ 2953.564442][ T73] [ 2953.566088][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.566088][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.566088][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.566088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.566088][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2953.566088][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2953.566088][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2953.566088][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2953.566088][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2953.566088][ T73] addrconf_dad_begin+0x310/0x670 [ 2953.566088][ T73] addrconf_dad_work+0x10b/0xab0 [ 2953.566088][ T73] process_one_work+0x84d/0x18a0 [ 2953.566088][ T73] worker_thread+0x587/0xd30 [ 2953.566088][ T73] kthread+0x28a/0x350 [ 2953.566088][ T73] ret_from_fork+0x31/0x70 [ 2953.566088][ T73] ret_from_fork_asm+0x1a/0x30 [ 2953.566088][ T73] [ 2953.567996][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.567996][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.567996][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.567996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.567996][ T73] ip6_route_add+0x1c/0x140 [ 2953.567996][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2953.567996][ T73] inet6_addr_add+0x4f8/0xa40 [ 2953.567996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.567996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.567996][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.567996][ T73] netlink_unicast+0x449/0x710 [ 2953.567996][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.567996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.567996][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.567996][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.567996][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.567996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.567996][ T73] [ 2953.569996][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.569996][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.569996][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.569996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.569996][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2953.569996][ T73] ipv6_add_addr+0x411/0x2000 [ 2953.569996][ T73] inet6_addr_add+0x30e/0xa40 [ 2953.569996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.569996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.569996][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.569996][ T73] netlink_unicast+0x449/0x710 [ 2953.569996][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.569996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.569996][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.569996][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.569996][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.569996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.569996][ T73] [ 2953.572001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.572001][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.572001][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.572001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.572001][ T73] ip6_route_add+0x1c/0x140 [ 2953.572001][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2953.572001][ T73] addrconf_add_dev+0xe2/0x170 [ 2953.572001][ T73] inet6_addr_add+0x12f/0xa40 [ 2953.572001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.572001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.572001][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.572001][ T73] netlink_unicast+0x449/0x710 [ 2953.572001][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.572001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.572001][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.572001][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.572001][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.572001][ T73] [ 2953.573965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.573965][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2953.573965][ T73] ipv6_find_idev+0x102/0x170 [ 2953.573965][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.573965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.573965][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.573965][ T73] netlink_unicast+0x449/0x710 [ 2953.573965][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.573965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.573965][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.573965][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.573965][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.573965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.573965][ T73] [ 2953.575500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2953.575500][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2953.575500][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2953.575500][ T73] ipv6_find_idev+0x102/0x170 [ 2953.575500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.575500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.575500][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.575500][ T73] netlink_unicast+0x449/0x710 [ 2953.575500][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.575500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.575500][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.575500][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.575500][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.575500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.575500][ T73] [ 2953.577805][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2953.578469][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.578469][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2953.578469][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2953.578469][ T73] fib6_nh_init+0xa22/0x1580 [ 2953.578469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.578469][ T73] ip6_route_add+0x1c/0x140 [ 2953.578469][ T73] inet6_rtm_newroute+0x104/0x110 [ 2953.578469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.578469][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.578469][ T73] netlink_unicast+0x449/0x710 [ 2953.578469][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.578469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.578469][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.578469][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.578469][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.578469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.578469][ T73] [ 2953.580462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.580462][ T73] dst_init+0x84/0x4a0 [ 2953.580462][ T73] dst_alloc+0x97/0x150 [ 2953.580462][ T73] ip6_dst_alloc+0x23/0x90 [ 2953.580462][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2953.580462][ T73] ip6_pol_route+0x56f/0x840 [ 2953.580462][ T73] fib6_rule_lookup+0x456/0x630 [ 2953.580462][ T73] ip6_route_input+0x59c/0xa50 [ 2953.580462][ T73] ipv6_rcv+0x397/0x810 [ 2953.580462][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2953.580462][ T73] process_backlog+0x101/0x620 [ 2953.580462][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2953.580462][ T73] net_rx_action+0x495/0xbe0 [ 2953.580462][ T73] __do_softirq+0x1b5/0x7f6 [ 2953.580462][ T73] [ 2953.582154][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.582154][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.582154][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.582154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.582154][ T73] ip6_route_add+0x1c/0x140 [ 2953.582154][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2953.582154][ T73] inet6_addr_add+0x4f8/0xa40 [ 2953.582154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.582154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.582154][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.582154][ T73] netlink_unicast+0x449/0x710 [ 2953.582154][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.582154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.582154][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.582154][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.582154][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.582154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.582154][ T73] [ 2953.584343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.584343][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.584343][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.584343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.584343][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2953.584343][ T73] ipv6_add_addr+0x411/0x2000 [ 2953.584343][ T73] inet6_addr_add+0x30e/0xa40 [ 2953.584343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.584343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.584343][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.584343][ T73] netlink_unicast+0x449/0x710 [ 2953.584343][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.584343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.584343][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.584343][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.584343][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.584343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.584343][ T73] [ 2953.586490][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.586490][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.586490][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.586490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.586490][ T73] ip6_route_add+0x1c/0x140 [ 2953.586490][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2953.586490][ T73] addrconf_add_dev+0xe2/0x170 [ 2953.586490][ T73] inet6_addr_add+0x12f/0xa40 [ 2953.586490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.586490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.586490][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.586490][ T73] netlink_unicast+0x449/0x710 [ 2953.586490][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.586490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.586490][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.586490][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.586490][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.586490][ T73] [ 2953.588585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.588585][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2953.588585][ T73] ipv6_find_idev+0x102/0x170 [ 2953.588585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.588585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.588585][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.588585][ T73] netlink_unicast+0x449/0x710 [ 2953.588585][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.588585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.588585][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.588585][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.588585][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.588585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.588585][ T73] [ 2953.590191][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2953.590191][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2953.590191][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2953.590191][ T73] ipv6_find_idev+0x102/0x170 [ 2953.590191][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.590191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.590191][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.590191][ T73] netlink_unicast+0x449/0x710 [ 2953.590191][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.590191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.590191][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.590191][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.590191][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.590191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.590191][ T73] [ 2953.592069][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2953.592345][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2953.592345][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.592345][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.592345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.592345][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2953.592345][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2953.592345][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2953.592345][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2953.592345][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2953.592345][ T73] addrconf_dad_begin+0x310/0x670 [ 2953.592345][ T73] addrconf_dad_work+0x10b/0xab0 [ 2953.592345][ T73] process_one_work+0x84d/0x18a0 [ 2953.592345][ T73] worker_thread+0x587/0xd30 [ 2953.592345][ T73] kthread+0x28a/0x350 [ 2953.592345][ T73] ret_from_fork+0x31/0x70 [ 2953.592345][ T73] ret_from_fork_asm+0x1a/0x30 [ 2953.592345][ T73] [ 2953.594438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2953.594438][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.594438][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.594438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.594438][ T73] ip6_route_add+0x1c/0x140 [ 2953.594438][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2953.594438][ T73] inet6_addr_add+0x4f8/0xa40 [ 2953.594438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.594438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.594438][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.594438][ T73] netlink_unicast+0x449/0x710 [ 2953.594438][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.594438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.594438][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.594438][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.594438][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.594438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.594438][ T73] [ 2953.596669][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2953.596669][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.596669][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.596669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.596669][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2953.596669][ T73] ipv6_add_addr+0x411/0x2000 [ 2953.596669][ T73] inet6_addr_add+0x30e/0xa40 [ 2953.596669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.596669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.596669][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.596669][ T73] netlink_unicast+0x449/0x710 [ 2953.596669][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.596669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.596669][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.596669][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.596669][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.596669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.596669][ T73] [ 2953.598907][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2953.598907][ T73] netdev_get_by_index+0x5e/0x80 [ 2953.598907][ T73] fib6_nh_init+0x3d8/0x1580 [ 2953.598907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2953.598907][ T73] ip6_route_add+0x1c/0x140 [ 2953.598907][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2953.598907][ T73] addrconf_add_dev+0xe2/0x170 [ 2953.598907][ T73] inet6_addr_add+0x12f/0xa40 [ 2953.598907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.598907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.598907][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.598907][ T73] netlink_unicast+0x449/0x710 [ 2953.598907][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.598907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.598907][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.598907][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.598907][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.598907][ T73] [ 2953.601029][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2953.601029][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2953.601029][ T73] ipv6_find_idev+0x102/0x170 [ 2953.601029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.601029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.601029][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.601029][ T73] netlink_unicast+0x449/0x710 [ 2953.601029][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.601029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.601029][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.601029][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.601029][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.601029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.601029][ T73] [ 2953.602814][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2953.602814][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2953.602814][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2953.602814][ T73] ipv6_find_idev+0x102/0x170 [ 2953.602814][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.602814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.602814][ T73] netlink_rcv_skb+0x130/0x360 [ 2953.602814][ T73] netlink_unicast+0x449/0x710 [ 2953.602814][ T73] netlink_sendmsg+0x723/0xbe0 [ 2953.602814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2953.602814][ T73] ___sys_sendmsg+0xee/0x170 [ 2953.602814][ T73] __sys_sendmsg+0xcd/0x170 [ 2953.602814][ T73] do_syscall_64+0xc6/0x1e0 [ 2953.602814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.602814][ T73] [ 2963.846829][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2963.847267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.847267][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2963.847267][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2963.847267][ T73] fib6_nh_init+0xa22/0x1580 [ 2963.847267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.847267][ T73] ip6_route_add+0x1c/0x140 [ 2963.847267][ T73] inet6_rtm_newroute+0x104/0x110 [ 2963.847267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.847267][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.847267][ T73] netlink_unicast+0x449/0x710 [ 2963.847267][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.847267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.847267][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.847267][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.847267][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.847267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.847267][ T73] [ 2963.849162][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.849162][ T73] dst_init+0x84/0x4a0 [ 2963.849162][ T73] dst_alloc+0x97/0x150 [ 2963.849162][ T73] ip6_dst_alloc+0x23/0x90 [ 2963.849162][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2963.849162][ T73] ip6_pol_route+0x56f/0x840 [ 2963.849162][ T73] fib6_rule_lookup+0x456/0x630 [ 2963.849162][ T73] ip6_route_input+0x59c/0xa50 [ 2963.849162][ T73] ipv6_rcv+0x397/0x810 [ 2963.849162][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2963.849162][ T73] process_backlog+0x101/0x620 [ 2963.849162][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2963.849162][ T73] net_rx_action+0x495/0xbe0 [ 2963.849162][ T73] __do_softirq+0x1b5/0x7f6 [ 2963.849162][ T73] [ 2963.850799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.850799][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.850799][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.850799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.850799][ T73] ip6_route_add+0x1c/0x140 [ 2963.850799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2963.850799][ T73] inet6_addr_add+0x4f8/0xa40 [ 2963.850799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.850799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.850799][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.850799][ T73] netlink_unicast+0x449/0x710 [ 2963.850799][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.850799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.850799][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.850799][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.850799][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.850799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.850799][ T73] [ 2963.852792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.852792][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.852792][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.852792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.852792][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2963.852792][ T73] ipv6_add_addr+0x411/0x2000 [ 2963.852792][ T73] inet6_addr_add+0x30e/0xa40 [ 2963.852792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.852792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.852792][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.852792][ T73] netlink_unicast+0x449/0x710 [ 2963.852792][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.852792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.852792][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.852792][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.852792][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.852792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.852792][ T73] [ 2963.854788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.854788][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.854788][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.854788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.854788][ T73] ip6_route_add+0x1c/0x140 [ 2963.854788][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2963.854788][ T73] addrconf_add_dev+0xe2/0x170 [ 2963.854788][ T73] inet6_addr_add+0x12f/0xa40 [ 2963.854788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.854788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.854788][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.854788][ T73] netlink_unicast+0x449/0x710 [ 2963.854788][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.854788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.854788][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.854788][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.854788][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.854788][ T73] [ 2963.856770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.856770][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2963.856770][ T73] ipv6_find_idev+0x102/0x170 [ 2963.856770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.856770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.856770][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.856770][ T73] netlink_unicast+0x449/0x710 [ 2963.856770][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.856770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.856770][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.856770][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.856770][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.856770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.856770][ T73] [ 2963.858295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2963.858295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2963.858295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2963.858295][ T73] ipv6_find_idev+0x102/0x170 [ 2963.858295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.858295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.858295][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.858295][ T73] netlink_unicast+0x449/0x710 [ 2963.858295][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.858295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.858295][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.858295][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.858295][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.858295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.858295][ T73] [ 2963.859969][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2963.860241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.860241][ T73] dst_init+0x84/0x4a0 [ 2963.860241][ T73] dst_alloc+0x97/0x150 [ 2963.860241][ T73] ip6_dst_alloc+0x23/0x90 [ 2963.860241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2963.860241][ T73] ip6_pol_route+0x56f/0x840 [ 2963.860241][ T73] fib6_rule_lookup+0x456/0x630 [ 2963.860241][ T73] ip6_route_input+0x59c/0xa50 [ 2963.860241][ T73] ipv6_rcv+0x397/0x810 [ 2963.860241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2963.860241][ T73] process_backlog+0x101/0x620 [ 2963.860241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2963.860241][ T73] net_rx_action+0x495/0xbe0 [ 2963.860241][ T73] __do_softirq+0x1b5/0x7f6 [ 2963.860241][ T73] [ 2963.861869][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.861869][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.861869][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.861869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.861869][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2963.861869][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2963.861869][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2963.861869][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2963.861869][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2963.861869][ T73] addrconf_dad_begin+0x310/0x670 [ 2963.861869][ T73] addrconf_dad_work+0x10b/0xab0 [ 2963.861869][ T73] process_one_work+0x84d/0x18a0 [ 2963.861869][ T73] worker_thread+0x587/0xd30 [ 2963.861869][ T73] kthread+0x28a/0x350 [ 2963.861869][ T73] ret_from_fork+0x31/0x70 [ 2963.861869][ T73] ret_from_fork_asm+0x1a/0x30 [ 2963.861869][ T73] [ 2963.863792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.863792][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.863792][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.863792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.863792][ T73] ip6_route_add+0x1c/0x140 [ 2963.863792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2963.863792][ T73] inet6_addr_add+0x4f8/0xa40 [ 2963.863792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.863792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.863792][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.863792][ T73] netlink_unicast+0x449/0x710 [ 2963.863792][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.863792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.863792][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.863792][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.863792][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.863792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.863792][ T73] [ 2963.865774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.865774][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.865774][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.865774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.865774][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2963.865774][ T73] ipv6_add_addr+0x411/0x2000 [ 2963.865774][ T73] inet6_addr_add+0x30e/0xa40 [ 2963.865774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.865774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.865774][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.865774][ T73] netlink_unicast+0x449/0x710 [ 2963.865774][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.865774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.865774][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.865774][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.865774][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.865774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.865774][ T73] [ 2963.867771][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.867771][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.867771][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.867771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.867771][ T73] ip6_route_add+0x1c/0x140 [ 2963.867771][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2963.867771][ T73] addrconf_add_dev+0xe2/0x170 [ 2963.867771][ T73] inet6_addr_add+0x12f/0xa40 [ 2963.867771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.867771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.867771][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.867771][ T73] netlink_unicast+0x449/0x710 [ 2963.867771][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.867771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.867771][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.867771][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.867771][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.867771][ T73] [ 2963.869727][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.869727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2963.869727][ T73] ipv6_find_idev+0x102/0x170 [ 2963.869727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.869727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.869727][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.869727][ T73] netlink_unicast+0x449/0x710 [ 2963.869727][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.869727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.869727][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.869727][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.869727][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.869727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.869727][ T73] [ 2963.871265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2963.871265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2963.871265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2963.871265][ T73] ipv6_find_idev+0x102/0x170 [ 2963.871265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.871265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.871265][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.871265][ T73] netlink_unicast+0x449/0x710 [ 2963.871265][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.871265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.871265][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.871265][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.871265][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.871265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.871265][ T73] [ 2963.873068][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2963.873335][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.873335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2963.873335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2963.873335][ T73] fib6_nh_init+0xa22/0x1580 [ 2963.873335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.873335][ T73] ip6_route_add+0x1c/0x140 [ 2963.873335][ T73] inet6_rtm_newroute+0x104/0x110 [ 2963.873335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.873335][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.873335][ T73] netlink_unicast+0x449/0x710 [ 2963.873335][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.873335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.873335][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.873335][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.873335][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.873335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.873335][ T73] [ 2963.875452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.875452][ T73] dst_init+0x84/0x4a0 [ 2963.875452][ T73] dst_alloc+0x97/0x150 [ 2963.875452][ T73] ip6_dst_alloc+0x23/0x90 [ 2963.875452][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2963.875452][ T73] ip6_pol_route+0x56f/0x840 [ 2963.875452][ T73] fib6_rule_lookup+0x456/0x630 [ 2963.875452][ T73] ip6_route_input+0x59c/0xa50 [ 2963.875452][ T73] ipv6_rcv+0x397/0x810 [ 2963.875452][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2963.875452][ T73] process_backlog+0x101/0x620 [ 2963.875452][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2963.875452][ T73] net_rx_action+0x495/0xbe0 [ 2963.875452][ T73] __do_softirq+0x1b5/0x7f6 [ 2963.875452][ T73] [ 2963.877264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.877264][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.877264][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.877264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.877264][ T73] ip6_route_add+0x1c/0x140 [ 2963.877264][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2963.877264][ T73] inet6_addr_add+0x4f8/0xa40 [ 2963.877264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.877264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.877264][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.877264][ T73] netlink_unicast+0x449/0x710 [ 2963.877264][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.877264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.877264][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.877264][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.877264][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.877264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.877264][ T73] [ 2963.879502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.879502][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.879502][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.879502][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.879502][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2963.879502][ T73] ipv6_add_addr+0x411/0x2000 [ 2963.879502][ T73] inet6_addr_add+0x30e/0xa40 [ 2963.879502][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.879502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.879502][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.879502][ T73] netlink_unicast+0x449/0x710 [ 2963.879502][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.879502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.879502][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.879502][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.879502][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.879502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.879502][ T73] [ 2963.881728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.881728][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.881728][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.881728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.881728][ T73] ip6_route_add+0x1c/0x140 [ 2963.881728][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2963.881728][ T73] addrconf_add_dev+0xe2/0x170 [ 2963.881728][ T73] inet6_addr_add+0x12f/0xa40 [ 2963.881728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.881728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.881728][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.881728][ T73] netlink_unicast+0x449/0x710 [ 2963.881728][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.881728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.881728][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.881728][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.881728][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.881728][ T73] [ 2963.883972][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.883972][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2963.883972][ T73] ipv6_find_idev+0x102/0x170 [ 2963.883972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.883972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.883972][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.883972][ T73] netlink_unicast+0x449/0x710 [ 2963.883972][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.883972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.883972][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.883972][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.883972][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.883972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.883972][ T73] [ 2963.885616][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2963.885616][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2963.885616][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2963.885616][ T73] ipv6_find_idev+0x102/0x170 [ 2963.885616][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.885616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.885616][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.885616][ T73] netlink_unicast+0x449/0x710 [ 2963.885616][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.885616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.885616][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.885616][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.885616][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.885616][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.885616][ T73] [ 2963.887535][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2963.887806][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2963.887806][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.887806][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.887806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.887806][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2963.887806][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2963.887806][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2963.887806][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2963.887806][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2963.887806][ T73] addrconf_dad_begin+0x310/0x670 [ 2963.887806][ T73] addrconf_dad_work+0x10b/0xab0 [ 2963.887806][ T73] process_one_work+0x84d/0x18a0 [ 2963.887806][ T73] worker_thread+0x587/0xd30 [ 2963.887806][ T73] kthread+0x28a/0x350 [ 2963.887806][ T73] ret_from_fork+0x31/0x70 [ 2963.887806][ T73] ret_from_fork_asm+0x1a/0x30 [ 2963.887806][ T73] [ 2963.889938][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2963.889938][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.889938][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.889938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.889938][ T73] ip6_route_add+0x1c/0x140 [ 2963.889938][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2963.889938][ T73] inet6_addr_add+0x4f8/0xa40 [ 2963.889938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.889938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.889938][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.889938][ T73] netlink_unicast+0x449/0x710 [ 2963.889938][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.889938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.889938][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.889938][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.889938][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.889938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.889938][ T73] [ 2963.892221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2963.892221][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.892221][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.892221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.892221][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2963.892221][ T73] ipv6_add_addr+0x411/0x2000 [ 2963.892221][ T73] inet6_addr_add+0x30e/0xa40 [ 2963.892221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.892221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.892221][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.892221][ T73] netlink_unicast+0x449/0x710 [ 2963.892221][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.892221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.892221][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.892221][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.892221][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.892221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.892221][ T73] [ 2963.894384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2963.894384][ T73] netdev_get_by_index+0x5e/0x80 [ 2963.894384][ T73] fib6_nh_init+0x3d8/0x1580 [ 2963.894384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2963.894384][ T73] ip6_route_add+0x1c/0x140 [ 2963.894384][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2963.894384][ T73] addrconf_add_dev+0xe2/0x170 [ 2963.894384][ T73] inet6_addr_add+0x12f/0xa40 [ 2963.894384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.894384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.894384][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.894384][ T73] netlink_unicast+0x449/0x710 [ 2963.894384][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.894384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.894384][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.894384][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.894384][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.894384][ T73] [ 2963.896568][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2963.896568][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2963.896568][ T73] ipv6_find_idev+0x102/0x170 [ 2963.896568][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.896568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.896568][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.896568][ T73] netlink_unicast+0x449/0x710 [ 2963.896568][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.896568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.896568][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.896568][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.896568][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.896568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.896568][ T73] [ 2963.898278][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2963.898278][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2963.898278][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2963.898278][ T73] ipv6_find_idev+0x102/0x170 [ 2963.898278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.898278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.898278][ T73] netlink_rcv_skb+0x130/0x360 [ 2963.898278][ T73] netlink_unicast+0x449/0x710 [ 2963.898278][ T73] netlink_sendmsg+0x723/0xbe0 [ 2963.898278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2963.898278][ T73] ___sys_sendmsg+0xee/0x170 [ 2963.898278][ T73] __sys_sendmsg+0xcd/0x170 [ 2963.898278][ T73] do_syscall_64+0xc6/0x1e0 [ 2963.898278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.898278][ T73] [ 2974.142912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2974.143359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.143359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2974.143359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2974.143359][ T73] fib6_nh_init+0xa22/0x1580 [ 2974.143359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.143359][ T73] ip6_route_add+0x1c/0x140 [ 2974.143359][ T73] inet6_rtm_newroute+0x104/0x110 [ 2974.143359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.143359][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.143359][ T73] netlink_unicast+0x449/0x710 [ 2974.143359][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.143359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.143359][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.143359][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.143359][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.143359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.143359][ T73] [ 2974.145241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.145241][ T73] dst_init+0x84/0x4a0 [ 2974.145241][ T73] dst_alloc+0x97/0x150 [ 2974.145241][ T73] ip6_dst_alloc+0x23/0x90 [ 2974.145241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2974.145241][ T73] ip6_pol_route+0x56f/0x840 [ 2974.145241][ T73] fib6_rule_lookup+0x456/0x630 [ 2974.145241][ T73] ip6_route_input+0x59c/0xa50 [ 2974.145241][ T73] ipv6_rcv+0x397/0x810 [ 2974.145241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2974.145241][ T73] process_backlog+0x101/0x620 [ 2974.145241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2974.145241][ T73] net_rx_action+0x495/0xbe0 [ 2974.145241][ T73] __do_softirq+0x1b5/0x7f6 [ 2974.145241][ T73] [ 2974.146889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.146889][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.146889][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.146889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.146889][ T73] ip6_route_add+0x1c/0x140 [ 2974.146889][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2974.146889][ T73] inet6_addr_add+0x4f8/0xa40 [ 2974.146889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.146889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.146889][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.146889][ T73] netlink_unicast+0x449/0x710 [ 2974.146889][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.146889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.146889][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.146889][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.146889][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.146889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.146889][ T73] [ 2974.148883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.148883][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.148883][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.148883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.148883][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2974.148883][ T73] ipv6_add_addr+0x411/0x2000 [ 2974.148883][ T73] inet6_addr_add+0x30e/0xa40 [ 2974.148883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.148883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.148883][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.148883][ T73] netlink_unicast+0x449/0x710 [ 2974.148883][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.148883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.148883][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.148883][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.148883][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.148883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.148883][ T73] [ 2974.150875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.150875][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.150875][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.150875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.150875][ T73] ip6_route_add+0x1c/0x140 [ 2974.150875][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2974.150875][ T73] addrconf_add_dev+0xe2/0x170 [ 2974.150875][ T73] inet6_addr_add+0x12f/0xa40 [ 2974.150875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.150875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.150875][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.150875][ T73] netlink_unicast+0x449/0x710 [ 2974.150875][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.150875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.150875][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.150875][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.150875][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.150875][ T73] [ 2974.152826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.152826][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2974.152826][ T73] ipv6_find_idev+0x102/0x170 [ 2974.152826][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.152826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.152826][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.152826][ T73] netlink_unicast+0x449/0x710 [ 2974.152826][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.152826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.152826][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.152826][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.152826][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.152826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.152826][ T73] [ 2974.154364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2974.154364][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2974.154364][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2974.154364][ T73] ipv6_find_idev+0x102/0x170 [ 2974.154364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.154364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.154364][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.154364][ T73] netlink_unicast+0x449/0x710 [ 2974.154364][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.154364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.154364][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.154364][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.154364][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.154364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.154364][ T73] [ 2974.156035][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2974.156311][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.156311][ T73] dst_init+0x84/0x4a0 [ 2974.156311][ T73] dst_alloc+0x97/0x150 [ 2974.156311][ T73] ip6_dst_alloc+0x23/0x90 [ 2974.156311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2974.156311][ T73] ip6_pol_route+0x56f/0x840 [ 2974.156311][ T73] fib6_rule_lookup+0x456/0x630 [ 2974.156311][ T73] ip6_route_input+0x59c/0xa50 [ 2974.156311][ T73] ipv6_rcv+0x397/0x810 [ 2974.156311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2974.156311][ T73] process_backlog+0x101/0x620 [ 2974.156311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2974.156311][ T73] net_rx_action+0x495/0xbe0 [ 2974.156311][ T73] __do_softirq+0x1b5/0x7f6 [ 2974.156311][ T73] [ 2974.157959][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.157959][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.157959][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.157959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.157959][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2974.157959][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2974.157959][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2974.157959][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2974.157959][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2974.157959][ T73] addrconf_dad_begin+0x310/0x670 [ 2974.157959][ T73] addrconf_dad_work+0x10b/0xab0 [ 2974.157959][ T73] process_one_work+0x84d/0x18a0 [ 2974.157959][ T73] worker_thread+0x587/0xd30 [ 2974.157959][ T73] kthread+0x28a/0x350 [ 2974.157959][ T73] ret_from_fork+0x31/0x70 [ 2974.157959][ T73] ret_from_fork_asm+0x1a/0x30 [ 2974.157959][ T73] [ 2974.159850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.159850][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.159850][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.159850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.159850][ T73] ip6_route_add+0x1c/0x140 [ 2974.159850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2974.159850][ T73] inet6_addr_add+0x4f8/0xa40 [ 2974.159850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.159850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.159850][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.159850][ T73] netlink_unicast+0x449/0x710 [ 2974.159850][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.159850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.159850][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.159850][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.159850][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.159850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.159850][ T73] [ 2974.161842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.161842][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.161842][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.161842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.161842][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2974.161842][ T73] ipv6_add_addr+0x411/0x2000 [ 2974.161842][ T73] inet6_addr_add+0x30e/0xa40 [ 2974.161842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.161842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.161842][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.161842][ T73] netlink_unicast+0x449/0x710 [ 2974.161842][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.161842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.161842][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.161842][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.161842][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.161842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.161842][ T73] [ 2974.163828][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.163828][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.163828][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.163828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.163828][ T73] ip6_route_add+0x1c/0x140 [ 2974.163828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2974.163828][ T73] addrconf_add_dev+0xe2/0x170 [ 2974.163828][ T73] inet6_addr_add+0x12f/0xa40 [ 2974.163828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.163828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.163828][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.163828][ T73] netlink_unicast+0x449/0x710 [ 2974.163828][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.163828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.163828][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.163828][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.163828][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.163828][ T73] [ 2974.165779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.165779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2974.165779][ T73] ipv6_find_idev+0x102/0x170 [ 2974.165779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.165779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.165779][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.165779][ T73] netlink_unicast+0x449/0x710 [ 2974.165779][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.165779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.165779][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.165779][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.165779][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.165779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.165779][ T73] [ 2974.167313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2974.167313][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2974.167313][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2974.167313][ T73] ipv6_find_idev+0x102/0x170 [ 2974.167313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.167313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.167313][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.167313][ T73] netlink_unicast+0x449/0x710 [ 2974.167313][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.167313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.167313][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.167313][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.167313][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.167313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.167313][ T73] [ 2974.169104][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2974.169379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.169379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2974.169379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2974.169379][ T73] fib6_nh_init+0xa22/0x1580 [ 2974.169379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.169379][ T73] ip6_route_add+0x1c/0x140 [ 2974.169379][ T73] inet6_rtm_newroute+0x104/0x110 [ 2974.169379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.169379][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.169379][ T73] netlink_unicast+0x449/0x710 [ 2974.169379][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.169379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.169379][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.169379][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.169379][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.169379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.169379][ T73] [ 2974.171491][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.171491][ T73] dst_init+0x84/0x4a0 [ 2974.171491][ T73] dst_alloc+0x97/0x150 [ 2974.171491][ T73] ip6_dst_alloc+0x23/0x90 [ 2974.171491][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2974.171491][ T73] ip6_pol_route+0x56f/0x840 [ 2974.171491][ T73] fib6_rule_lookup+0x456/0x630 [ 2974.171491][ T73] ip6_route_input+0x59c/0xa50 [ 2974.171491][ T73] ipv6_rcv+0x397/0x810 [ 2974.171491][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2974.171491][ T73] process_backlog+0x101/0x620 [ 2974.171491][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2974.171491][ T73] net_rx_action+0x495/0xbe0 [ 2974.171491][ T73] __do_softirq+0x1b5/0x7f6 [ 2974.171491][ T73] [ 2974.173363][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.173363][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.173363][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.173363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.173363][ T73] ip6_route_add+0x1c/0x140 [ 2974.173363][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2974.173363][ T73] inet6_addr_add+0x4f8/0xa40 [ 2974.173363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.173363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.173363][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.173363][ T73] netlink_unicast+0x449/0x710 [ 2974.173363][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.173363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.173363][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.173363][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.173363][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.173363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.173363][ T73] [ 2974.175590][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.175590][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.175590][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.175590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.175590][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2974.175590][ T73] ipv6_add_addr+0x411/0x2000 [ 2974.175590][ T73] inet6_addr_add+0x30e/0xa40 [ 2974.175590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.175590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.175590][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.175590][ T73] netlink_unicast+0x449/0x710 [ 2974.175590][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.175590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.175590][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.175590][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.175590][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.175590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.175590][ T73] [ 2974.177812][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.177812][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.177812][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.177812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.177812][ T73] ip6_route_add+0x1c/0x140 [ 2974.177812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2974.177812][ T73] addrconf_add_dev+0xe2/0x170 [ 2974.177812][ T73] inet6_addr_add+0x12f/0xa40 [ 2974.177812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.177812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.177812][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.177812][ T73] netlink_unicast+0x449/0x710 [ 2974.177812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.177812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.177812][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.177812][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.177812][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.177812][ T73] [ 2974.179996][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.179996][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2974.179996][ T73] ipv6_find_idev+0x102/0x170 [ 2974.179996][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.179996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.179996][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.179996][ T73] netlink_unicast+0x449/0x710 [ 2974.179996][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.179996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.179996][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.179996][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.179996][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.179996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.179996][ T73] [ 2974.181637][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2974.181637][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2974.181637][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2974.181637][ T73] ipv6_find_idev+0x102/0x170 [ 2974.181637][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.181637][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.181637][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.181637][ T73] netlink_unicast+0x449/0x710 [ 2974.181637][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.181637][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.181637][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.181637][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.181637][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.181637][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.181637][ T73] [ 2974.183604][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2974.183933][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2974.183933][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.183933][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.183933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.183933][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2974.183933][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2974.183933][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2974.183933][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2974.183933][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2974.183933][ T73] addrconf_dad_begin+0x310/0x670 [ 2974.183933][ T73] addrconf_dad_work+0x10b/0xab0 [ 2974.183933][ T73] process_one_work+0x84d/0x18a0 [ 2974.183933][ T73] worker_thread+0x587/0xd30 [ 2974.183933][ T73] kthread+0x28a/0x350 [ 2974.183933][ T73] ret_from_fork+0x31/0x70 [ 2974.183933][ T73] ret_from_fork_asm+0x1a/0x30 [ 2974.183933][ T73] [ 2974.186005][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2974.186005][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.186005][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.186005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.186005][ T73] ip6_route_add+0x1c/0x140 [ 2974.186005][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2974.186005][ T73] inet6_addr_add+0x4f8/0xa40 [ 2974.186005][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.186005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.186005][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.186005][ T73] netlink_unicast+0x449/0x710 [ 2974.186005][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.186005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.186005][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.186005][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.186005][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.186005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.186005][ T73] [ 2974.188245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2974.188245][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.188245][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.188245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.188245][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2974.188245][ T73] ipv6_add_addr+0x411/0x2000 [ 2974.188245][ T73] inet6_addr_add+0x30e/0xa40 [ 2974.188245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.188245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.188245][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.188245][ T73] netlink_unicast+0x449/0x710 [ 2974.188245][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.188245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.188245][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.188245][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.188245][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.188245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.188245][ T73] [ 2974.190467][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2974.190467][ T73] netdev_get_by_index+0x5e/0x80 [ 2974.190467][ T73] fib6_nh_init+0x3d8/0x1580 [ 2974.190467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2974.190467][ T73] ip6_route_add+0x1c/0x140 [ 2974.190467][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2974.190467][ T73] addrconf_add_dev+0xe2/0x170 [ 2974.190467][ T73] inet6_addr_add+0x12f/0xa40 [ 2974.190467][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.190467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.190467][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.190467][ T73] netlink_unicast+0x449/0x710 [ 2974.190467][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.190467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.190467][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.190467][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.190467][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.190467][ T73] [ 2974.192717][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2974.192717][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2974.192717][ T73] ipv6_find_idev+0x102/0x170 [ 2974.192717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.192717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.192717][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.192717][ T73] netlink_unicast+0x449/0x710 [ 2974.192717][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.192717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.192717][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.192717][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.192717][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.192717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.192717][ T73] [ 2974.194422][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2974.194422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2974.194422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2974.194422][ T73] ipv6_find_idev+0x102/0x170 [ 2974.194422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.194422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.194422][ T73] netlink_rcv_skb+0x130/0x360 [ 2974.194422][ T73] netlink_unicast+0x449/0x710 [ 2974.194422][ T73] netlink_sendmsg+0x723/0xbe0 [ 2974.194422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2974.194422][ T73] ___sys_sendmsg+0xee/0x170 [ 2974.194422][ T73] __sys_sendmsg+0xcd/0x170 [ 2974.194422][ T73] do_syscall_64+0xc6/0x1e0 [ 2974.194422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.194422][ T73] [ 2984.438907][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2984.439370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.439370][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2984.439370][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2984.439370][ T73] fib6_nh_init+0xa22/0x1580 [ 2984.439370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.439370][ T73] ip6_route_add+0x1c/0x140 [ 2984.439370][ T73] inet6_rtm_newroute+0x104/0x110 [ 2984.439370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.439370][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.439370][ T73] netlink_unicast+0x449/0x710 [ 2984.439370][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.439370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.439370][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.439370][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.439370][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.439370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.439370][ T73] [ 2984.441261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.441261][ T73] dst_init+0x84/0x4a0 [ 2984.441261][ T73] dst_alloc+0x97/0x150 [ 2984.441261][ T73] ip6_dst_alloc+0x23/0x90 [ 2984.441261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2984.441261][ T73] ip6_pol_route+0x56f/0x840 [ 2984.441261][ T73] fib6_rule_lookup+0x456/0x630 [ 2984.441261][ T73] ip6_route_input+0x59c/0xa50 [ 2984.441261][ T73] ipv6_rcv+0x397/0x810 [ 2984.441261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2984.441261][ T73] process_backlog+0x101/0x620 [ 2984.441261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2984.441261][ T73] net_rx_action+0x495/0xbe0 [ 2984.441261][ T73] __do_softirq+0x1b5/0x7f6 [ 2984.441261][ T73] [ 2984.442909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.442909][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.442909][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.442909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.442909][ T73] ip6_route_add+0x1c/0x140 [ 2984.442909][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2984.442909][ T73] inet6_addr_add+0x4f8/0xa40 [ 2984.442909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.442909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.442909][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.442909][ T73] netlink_unicast+0x449/0x710 [ 2984.442909][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.442909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.442909][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.442909][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.442909][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.442909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.442909][ T73] [ 2984.445011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.445011][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.445011][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.445011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.445011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2984.445011][ T73] ipv6_add_addr+0x411/0x2000 [ 2984.445011][ T73] inet6_addr_add+0x30e/0xa40 [ 2984.445011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.445011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.445011][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.445011][ T73] netlink_unicast+0x449/0x710 [ 2984.445011][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.445011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.445011][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.445011][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.445011][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.445011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.445011][ T73] [ 2984.447033][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.447033][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.447033][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.447033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.447033][ T73] ip6_route_add+0x1c/0x140 [ 2984.447033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2984.447033][ T73] addrconf_add_dev+0xe2/0x170 [ 2984.447033][ T73] inet6_addr_add+0x12f/0xa40 [ 2984.447033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.447033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.447033][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.447033][ T73] netlink_unicast+0x449/0x710 [ 2984.447033][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.447033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.447033][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.447033][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.447033][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.447033][ T73] [ 2984.448993][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.448993][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2984.448993][ T73] ipv6_find_idev+0x102/0x170 [ 2984.448993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.448993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.448993][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.448993][ T73] netlink_unicast+0x449/0x710 [ 2984.448993][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.448993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.448993][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.448993][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.448993][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.448993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.448993][ T73] [ 2984.450524][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2984.450524][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2984.450524][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2984.450524][ T73] ipv6_find_idev+0x102/0x170 [ 2984.450524][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.450524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.450524][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.450524][ T73] netlink_unicast+0x449/0x710 [ 2984.450524][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.450524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.450524][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.450524][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.450524][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.450524][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.450524][ T73] [ 2984.452205][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2984.452473][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.452473][ T73] dst_init+0x84/0x4a0 [ 2984.452473][ T73] dst_alloc+0x97/0x150 [ 2984.452473][ T73] ip6_dst_alloc+0x23/0x90 [ 2984.452473][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2984.452473][ T73] ip6_pol_route+0x56f/0x840 [ 2984.452473][ T73] fib6_rule_lookup+0x456/0x630 [ 2984.452473][ T73] ip6_route_input+0x59c/0xa50 [ 2984.452473][ T73] ipv6_rcv+0x397/0x810 [ 2984.452473][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2984.452473][ T73] process_backlog+0x101/0x620 [ 2984.452473][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2984.452473][ T73] net_rx_action+0x495/0xbe0 [ 2984.452473][ T73] __do_softirq+0x1b5/0x7f6 [ 2984.452473][ T73] [ 2984.454106][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.454106][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.454106][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.454106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.454106][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2984.454106][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2984.454106][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2984.454106][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2984.454106][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2984.454106][ T73] addrconf_dad_begin+0x310/0x670 [ 2984.454106][ T73] addrconf_dad_work+0x10b/0xab0 [ 2984.454106][ T73] process_one_work+0x84d/0x18a0 [ 2984.454106][ T73] worker_thread+0x587/0xd30 [ 2984.454106][ T73] kthread+0x28a/0x350 [ 2984.454106][ T73] ret_from_fork+0x31/0x70 [ 2984.454106][ T73] ret_from_fork_asm+0x1a/0x30 [ 2984.454106][ T73] [ 2984.455992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.455992][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.455992][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.455992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.455992][ T73] ip6_route_add+0x1c/0x140 [ 2984.455992][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2984.455992][ T73] inet6_addr_add+0x4f8/0xa40 [ 2984.455992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.455992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.455992][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.455992][ T73] netlink_unicast+0x449/0x710 [ 2984.455992][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.455992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.455992][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.455992][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.455992][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.455992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.455992][ T73] [ 2984.457982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.457982][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.457982][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.457982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.457982][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2984.457982][ T73] ipv6_add_addr+0x411/0x2000 [ 2984.457982][ T73] inet6_addr_add+0x30e/0xa40 [ 2984.457982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.457982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.457982][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.457982][ T73] netlink_unicast+0x449/0x710 [ 2984.457982][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.457982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.457982][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.457982][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.457982][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.457982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.457982][ T73] [ 2984.459959][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.459959][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.459959][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.459959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.459959][ T73] ip6_route_add+0x1c/0x140 [ 2984.459959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2984.459959][ T73] addrconf_add_dev+0xe2/0x170 [ 2984.459959][ T73] inet6_addr_add+0x12f/0xa40 [ 2984.459959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.459959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.459959][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.459959][ T73] netlink_unicast+0x449/0x710 [ 2984.459959][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.459959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.459959][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.459959][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.459959][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.459959][ T73] [ 2984.461898][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.461898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2984.461898][ T73] ipv6_find_idev+0x102/0x170 [ 2984.461898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.461898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.461898][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.461898][ T73] netlink_unicast+0x449/0x710 [ 2984.461898][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.461898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.461898][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.461898][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.461898][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.461898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.461898][ T73] [ 2984.463425][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2984.463425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2984.463425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2984.463425][ T73] ipv6_find_idev+0x102/0x170 [ 2984.463425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.463425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.463425][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.463425][ T73] netlink_unicast+0x449/0x710 [ 2984.463425][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.463425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.463425][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.463425][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.463425][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.463425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.463425][ T73] [ 2984.465227][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2984.465508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.465508][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2984.465508][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2984.465508][ T73] fib6_nh_init+0xa22/0x1580 [ 2984.465508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.465508][ T73] ip6_route_add+0x1c/0x140 [ 2984.465508][ T73] inet6_rtm_newroute+0x104/0x110 [ 2984.465508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.465508][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.465508][ T73] netlink_unicast+0x449/0x710 [ 2984.465508][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.465508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.465508][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.465508][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.465508][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.465508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.465508][ T73] [ 2984.467678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.467678][ T73] dst_init+0x84/0x4a0 [ 2984.467678][ T73] dst_alloc+0x97/0x150 [ 2984.467678][ T73] ip6_dst_alloc+0x23/0x90 [ 2984.467678][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2984.467678][ T73] ip6_pol_route+0x56f/0x840 [ 2984.467678][ T73] fib6_rule_lookup+0x456/0x630 [ 2984.467678][ T73] ip6_route_input+0x59c/0xa50 [ 2984.467678][ T73] ipv6_rcv+0x397/0x810 [ 2984.467678][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2984.467678][ T73] process_backlog+0x101/0x620 [ 2984.467678][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2984.467678][ T73] net_rx_action+0x495/0xbe0 [ 2984.467678][ T73] __do_softirq+0x1b5/0x7f6 [ 2984.467678][ T73] [ 2984.469475][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.469475][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.469475][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.469475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.469475][ T73] ip6_route_add+0x1c/0x140 [ 2984.469475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2984.469475][ T73] inet6_addr_add+0x4f8/0xa40 [ 2984.469475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.469475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.469475][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.469475][ T73] netlink_unicast+0x449/0x710 [ 2984.469475][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.469475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.469475][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.469475][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.469475][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.469475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.469475][ T73] [ 2984.471696][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.471696][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.471696][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.471696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.471696][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2984.471696][ T73] ipv6_add_addr+0x411/0x2000 [ 2984.471696][ T73] inet6_addr_add+0x30e/0xa40 [ 2984.471696][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.471696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.471696][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.471696][ T73] netlink_unicast+0x449/0x710 [ 2984.471696][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.471696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.471696][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.471696][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.471696][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.471696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.471696][ T73] [ 2984.473914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.473914][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.473914][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.473914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.473914][ T73] ip6_route_add+0x1c/0x140 [ 2984.473914][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2984.473914][ T73] addrconf_add_dev+0xe2/0x170 [ 2984.473914][ T73] inet6_addr_add+0x12f/0xa40 [ 2984.473914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.473914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.473914][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.473914][ T73] netlink_unicast+0x449/0x710 [ 2984.473914][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.473914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.473914][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.473914][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.473914][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.473914][ T73] [ 2984.476215][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.476215][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2984.476215][ T73] ipv6_find_idev+0x102/0x170 [ 2984.476215][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.476215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.476215][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.476215][ T73] netlink_unicast+0x449/0x710 [ 2984.476215][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.476215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.476215][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.476215][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.476215][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.476215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.476215][ T73] [ 2984.477865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2984.477865][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2984.477865][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2984.477865][ T73] ipv6_find_idev+0x102/0x170 [ 2984.477865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.477865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.477865][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.477865][ T73] netlink_unicast+0x449/0x710 [ 2984.477865][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.477865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.477865][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.477865][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.477865][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.477865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.477865][ T73] [ 2984.479795][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2984.480071][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2984.480071][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.480071][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.480071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.480071][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2984.480071][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2984.480071][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2984.480071][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2984.480071][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2984.480071][ T73] addrconf_dad_begin+0x310/0x670 [ 2984.480071][ T73] addrconf_dad_work+0x10b/0xab0 [ 2984.480071][ T73] process_one_work+0x84d/0x18a0 [ 2984.480071][ T73] worker_thread+0x587/0xd30 [ 2984.480071][ T73] kthread+0x28a/0x350 [ 2984.480071][ T73] ret_from_fork+0x31/0x70 [ 2984.480071][ T73] ret_from_fork_asm+0x1a/0x30 [ 2984.480071][ T73] [ 2984.482209][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2984.482209][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.482209][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.482209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.482209][ T73] ip6_route_add+0x1c/0x140 [ 2984.482209][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2984.482209][ T73] inet6_addr_add+0x4f8/0xa40 [ 2984.482209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.482209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.482209][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.482209][ T73] netlink_unicast+0x449/0x710 [ 2984.482209][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.482209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.482209][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.482209][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.482209][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.482209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.482209][ T73] [ 2984.484433][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2984.484433][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.484433][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.484433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.484433][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2984.484433][ T73] ipv6_add_addr+0x411/0x2000 [ 2984.484433][ T73] inet6_addr_add+0x30e/0xa40 [ 2984.484433][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.484433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.484433][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.484433][ T73] netlink_unicast+0x449/0x710 [ 2984.484433][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.484433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.484433][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.484433][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.484433][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.484433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.484433][ T73] [ 2984.486662][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2984.486662][ T73] netdev_get_by_index+0x5e/0x80 [ 2984.486662][ T73] fib6_nh_init+0x3d8/0x1580 [ 2984.486662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2984.486662][ T73] ip6_route_add+0x1c/0x140 [ 2984.486662][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2984.486662][ T73] addrconf_add_dev+0xe2/0x170 [ 2984.486662][ T73] inet6_addr_add+0x12f/0xa40 [ 2984.486662][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.486662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.486662][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.486662][ T73] netlink_unicast+0x449/0x710 [ 2984.486662][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.486662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.486662][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.486662][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.486662][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.486662][ T73] [ 2984.488851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2984.488851][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2984.488851][ T73] ipv6_find_idev+0x102/0x170 [ 2984.488851][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.488851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.488851][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.488851][ T73] netlink_unicast+0x449/0x710 [ 2984.488851][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.488851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.488851][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.488851][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.488851][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.488851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.488851][ T73] [ 2984.491082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2984.491082][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2984.491082][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2984.491082][ T73] ipv6_find_idev+0x102/0x170 [ 2984.491082][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.491082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.491082][ T73] netlink_rcv_skb+0x130/0x360 [ 2984.491082][ T73] netlink_unicast+0x449/0x710 [ 2984.491082][ T73] netlink_sendmsg+0x723/0xbe0 [ 2984.491082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2984.491082][ T73] ___sys_sendmsg+0xee/0x170 [ 2984.491082][ T73] __sys_sendmsg+0xcd/0x170 [ 2984.491082][ T73] do_syscall_64+0xc6/0x1e0 [ 2984.491082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.491082][ T73] [ 2994.502899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 2994.503282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.503282][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2994.503282][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2994.503282][ T73] fib6_nh_init+0xa22/0x1580 [ 2994.503282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.503282][ T73] ip6_route_add+0x1c/0x140 [ 2994.503282][ T73] inet6_rtm_newroute+0x104/0x110 [ 2994.503282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.503282][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.503282][ T73] netlink_unicast+0x449/0x710 [ 2994.503282][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.503282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.503282][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.503282][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.503282][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.503282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.503282][ T73] [ 2994.505163][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.505163][ T73] dst_init+0x84/0x4a0 [ 2994.505163][ T73] dst_alloc+0x97/0x150 [ 2994.505163][ T73] ip6_dst_alloc+0x23/0x90 [ 2994.505163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2994.505163][ T73] ip6_pol_route+0x56f/0x840 [ 2994.505163][ T73] fib6_rule_lookup+0x456/0x630 [ 2994.505163][ T73] ip6_route_input+0x59c/0xa50 [ 2994.505163][ T73] ipv6_rcv+0x397/0x810 [ 2994.505163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2994.505163][ T73] process_backlog+0x101/0x620 [ 2994.505163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2994.505163][ T73] net_rx_action+0x495/0xbe0 [ 2994.505163][ T73] __do_softirq+0x1b5/0x7f6 [ 2994.505163][ T73] [ 2994.506823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.506823][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.506823][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.506823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.506823][ T73] ip6_route_add+0x1c/0x140 [ 2994.506823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2994.506823][ T73] inet6_addr_add+0x4f8/0xa40 [ 2994.506823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.506823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.506823][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.506823][ T73] netlink_unicast+0x449/0x710 [ 2994.506823][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.506823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.506823][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.506823][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.506823][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.506823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.506823][ T73] [ 2994.508812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.508812][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.508812][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.508812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.508812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2994.508812][ T73] ipv6_add_addr+0x411/0x2000 [ 2994.508812][ T73] inet6_addr_add+0x30e/0xa40 [ 2994.508812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.508812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.508812][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.508812][ T73] netlink_unicast+0x449/0x710 [ 2994.508812][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.508812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.508812][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.508812][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.508812][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.508812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.508812][ T73] [ 2994.510804][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.510804][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.510804][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.510804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.510804][ T73] ip6_route_add+0x1c/0x140 [ 2994.510804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2994.510804][ T73] addrconf_add_dev+0xe2/0x170 [ 2994.510804][ T73] inet6_addr_add+0x12f/0xa40 [ 2994.510804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.510804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.510804][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.510804][ T73] netlink_unicast+0x449/0x710 [ 2994.510804][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.510804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.510804][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.510804][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.510804][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.510804][ T73] [ 2994.512787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.512787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2994.512787][ T73] ipv6_find_idev+0x102/0x170 [ 2994.512787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.512787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.512787][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.512787][ T73] netlink_unicast+0x449/0x710 [ 2994.512787][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.512787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.512787][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.512787][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.512787][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.512787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.512787][ T73] [ 2994.514335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 2994.514335][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2994.514335][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2994.514335][ T73] ipv6_find_idev+0x102/0x170 [ 2994.514335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.514335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.514335][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.514335][ T73] netlink_unicast+0x449/0x710 [ 2994.514335][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.514335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.514335][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.514335][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.514335][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.514335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.514335][ T73] [ 2994.516010][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2994.516280][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.516280][ T73] dst_init+0x84/0x4a0 [ 2994.516280][ T73] dst_alloc+0x97/0x150 [ 2994.516280][ T73] ip6_dst_alloc+0x23/0x90 [ 2994.516280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2994.516280][ T73] ip6_pol_route+0x56f/0x840 [ 2994.516280][ T73] fib6_rule_lookup+0x456/0x630 [ 2994.516280][ T73] ip6_route_input+0x59c/0xa50 [ 2994.516280][ T73] ipv6_rcv+0x397/0x810 [ 2994.516280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2994.516280][ T73] process_backlog+0x101/0x620 [ 2994.516280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2994.516280][ T73] net_rx_action+0x495/0xbe0 [ 2994.516280][ T73] __do_softirq+0x1b5/0x7f6 [ 2994.516280][ T73] [ 2994.517916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.517916][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.517916][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.517916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.517916][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2994.517916][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2994.517916][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2994.517916][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2994.517916][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2994.517916][ T73] addrconf_dad_begin+0x310/0x670 [ 2994.517916][ T73] addrconf_dad_work+0x10b/0xab0 [ 2994.517916][ T73] process_one_work+0x84d/0x18a0 [ 2994.517916][ T73] worker_thread+0x587/0xd30 [ 2994.517916][ T73] kthread+0x28a/0x350 [ 2994.517916][ T73] ret_from_fork+0x31/0x70 [ 2994.517916][ T73] ret_from_fork_asm+0x1a/0x30 [ 2994.517916][ T73] [ 2994.519811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.519811][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.519811][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.519811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.519811][ T73] ip6_route_add+0x1c/0x140 [ 2994.519811][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2994.519811][ T73] inet6_addr_add+0x4f8/0xa40 [ 2994.519811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.519811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.519811][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.519811][ T73] netlink_unicast+0x449/0x710 [ 2994.519811][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.519811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.519811][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.519811][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.519811][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.519811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.519811][ T73] [ 2994.521817][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.521817][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.521817][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.521817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.521817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2994.521817][ T73] ipv6_add_addr+0x411/0x2000 [ 2994.521817][ T73] inet6_addr_add+0x30e/0xa40 [ 2994.521817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.521817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.521817][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.521817][ T73] netlink_unicast+0x449/0x710 [ 2994.521817][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.521817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.521817][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.521817][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.521817][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.521817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.521817][ T73] [ 2994.523820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.523820][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.523820][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.523820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.523820][ T73] ip6_route_add+0x1c/0x140 [ 2994.523820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2994.523820][ T73] addrconf_add_dev+0xe2/0x170 [ 2994.523820][ T73] inet6_addr_add+0x12f/0xa40 [ 2994.523820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.523820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.523820][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.523820][ T73] netlink_unicast+0x449/0x710 [ 2994.523820][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.523820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.523820][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.523820][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.523820][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.523820][ T73] [ 2994.525772][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.525772][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2994.525772][ T73] ipv6_find_idev+0x102/0x170 [ 2994.525772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.525772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.525772][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.525772][ T73] netlink_unicast+0x449/0x710 [ 2994.525772][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.525772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.525772][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.525772][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.525772][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.525772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.525772][ T73] [ 2994.527321][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 2994.527321][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2994.527321][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2994.527321][ T73] ipv6_find_idev+0x102/0x170 [ 2994.527321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.527321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.527321][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.527321][ T73] netlink_unicast+0x449/0x710 [ 2994.527321][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.527321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.527321][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.527321][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.527321][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.527321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.527321][ T73] [ 2994.529124][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2994.529388][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.529388][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 2994.529388][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 2994.529388][ T73] fib6_nh_init+0xa22/0x1580 [ 2994.529388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.529388][ T73] ip6_route_add+0x1c/0x140 [ 2994.529388][ T73] inet6_rtm_newroute+0x104/0x110 [ 2994.529388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.529388][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.529388][ T73] netlink_unicast+0x449/0x710 [ 2994.529388][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.529388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.529388][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.529388][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.529388][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.529388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.529388][ T73] [ 2994.531493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.531493][ T73] dst_init+0x84/0x4a0 [ 2994.531493][ T73] dst_alloc+0x97/0x150 [ 2994.531493][ T73] ip6_dst_alloc+0x23/0x90 [ 2994.531493][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2994.531493][ T73] ip6_pol_route+0x56f/0x840 [ 2994.531493][ T73] fib6_rule_lookup+0x456/0x630 [ 2994.531493][ T73] ip6_route_input+0x59c/0xa50 [ 2994.531493][ T73] ipv6_rcv+0x397/0x810 [ 2994.531493][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 2994.531493][ T73] process_backlog+0x101/0x620 [ 2994.531493][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 2994.531493][ T73] net_rx_action+0x495/0xbe0 [ 2994.531493][ T73] __do_softirq+0x1b5/0x7f6 [ 2994.531493][ T73] [ 2994.533306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.533306][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.533306][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.533306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.533306][ T73] ip6_route_add+0x1c/0x140 [ 2994.533306][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2994.533306][ T73] inet6_addr_add+0x4f8/0xa40 [ 2994.533306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.533306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.533306][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.533306][ T73] netlink_unicast+0x449/0x710 [ 2994.533306][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.533306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.533306][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.533306][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.533306][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.533306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.533306][ T73] [ 2994.535588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.535588][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.535588][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.535588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.535588][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2994.535588][ T73] ipv6_add_addr+0x411/0x2000 [ 2994.535588][ T73] inet6_addr_add+0x30e/0xa40 [ 2994.535588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.535588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.535588][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.535588][ T73] netlink_unicast+0x449/0x710 [ 2994.535588][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.535588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.535588][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.535588][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.535588][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.535588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.535588][ T73] [ 2994.537828][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.537828][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.537828][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.537828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.537828][ T73] ip6_route_add+0x1c/0x140 [ 2994.537828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2994.537828][ T73] addrconf_add_dev+0xe2/0x170 [ 2994.537828][ T73] inet6_addr_add+0x12f/0xa40 [ 2994.537828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.537828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.537828][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.537828][ T73] netlink_unicast+0x449/0x710 [ 2994.537828][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.537828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.537828][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.537828][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.537828][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.537828][ T73] [ 2994.540014][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.540014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2994.540014][ T73] ipv6_find_idev+0x102/0x170 [ 2994.540014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.540014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.540014][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.540014][ T73] netlink_unicast+0x449/0x710 [ 2994.540014][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.540014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.540014][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.540014][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.540014][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.540014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.540014][ T73] [ 2994.541658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 2994.541658][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2994.541658][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2994.541658][ T73] ipv6_find_idev+0x102/0x170 [ 2994.541658][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.541658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.541658][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.541658][ T73] netlink_unicast+0x449/0x710 [ 2994.541658][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.541658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.541658][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.541658][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.541658][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.541658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.541658][ T73] [ 2994.543627][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2994.544324][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2994.544324][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.544324][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.544324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.544324][ T73] addrconf_f6i_alloc+0x265/0x560 [ 2994.544324][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2994.544324][ T73] addrconf_join_anycast+0x1c0/0x220 [ 2994.544324][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2994.544324][ T73] addrconf_dad_completed+0x12b/0xe20 [ 2994.544324][ T73] addrconf_dad_begin+0x310/0x670 [ 2994.544324][ T73] addrconf_dad_work+0x10b/0xab0 [ 2994.544324][ T73] process_one_work+0x84d/0x18a0 [ 2994.544324][ T73] worker_thread+0x587/0xd30 [ 2994.544324][ T73] kthread+0x28a/0x350 [ 2994.544324][ T73] ret_from_fork+0x31/0x70 [ 2994.544324][ T73] ret_from_fork_asm+0x1a/0x30 [ 2994.544324][ T73] [ 2994.546247][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2994.546247][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.546247][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.546247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.546247][ T73] ip6_route_add+0x1c/0x140 [ 2994.546247][ T73] addrconf_prefix_route+0x2a6/0x430 [ 2994.546247][ T73] inet6_addr_add+0x4f8/0xa40 [ 2994.546247][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.546247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.546247][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.546247][ T73] netlink_unicast+0x449/0x710 [ 2994.546247][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.546247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.546247][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.546247][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.546247][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.546247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.546247][ T73] [ 2994.548362][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2994.548362][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.548362][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.548362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.548362][ T73] addrconf_f6i_alloc+0x315/0x560 [ 2994.548362][ T73] ipv6_add_addr+0x411/0x2000 [ 2994.548362][ T73] inet6_addr_add+0x30e/0xa40 [ 2994.548362][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.548362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.548362][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.548362][ T73] netlink_unicast+0x449/0x710 [ 2994.548362][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.548362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.548362][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.548362][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.548362][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.548362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.548362][ T73] [ 2994.550598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2994.550598][ T73] netdev_get_by_index+0x5e/0x80 [ 2994.550598][ T73] fib6_nh_init+0x3d8/0x1580 [ 2994.550598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 2994.550598][ T73] ip6_route_add+0x1c/0x140 [ 2994.550598][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 2994.550598][ T73] addrconf_add_dev+0xe2/0x170 [ 2994.550598][ T73] inet6_addr_add+0x12f/0xa40 [ 2994.550598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.550598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.550598][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.550598][ T73] netlink_unicast+0x449/0x710 [ 2994.550598][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.550598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.550598][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.550598][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.550598][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.550598][ T73] [ 2994.552734][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2994.552734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 2994.552734][ T73] ipv6_find_idev+0x102/0x170 [ 2994.552734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.552734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.552734][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.552734][ T73] netlink_unicast+0x449/0x710 [ 2994.552734][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.552734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.552734][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.552734][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.552734][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.552734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.552734][ T73] [ 2994.554454][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 2994.554454][ T73] neigh_parms_alloc+0x1e5/0x510 [ 2994.554454][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 2994.554454][ T73] ipv6_find_idev+0x102/0x170 [ 2994.554454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.554454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.554454][ T73] netlink_rcv_skb+0x130/0x360 [ 2994.554454][ T73] netlink_unicast+0x449/0x710 [ 2994.554454][ T73] netlink_sendmsg+0x723/0xbe0 [ 2994.554454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 2994.554454][ T73] ___sys_sendmsg+0xee/0x170 [ 2994.554454][ T73] __sys_sendmsg+0xcd/0x170 [ 2994.554454][ T73] do_syscall_64+0xc6/0x1e0 [ 2994.554454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.554454][ T73] [ 3004.798892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3004.799341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.799341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3004.799341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3004.799341][ T73] fib6_nh_init+0xa22/0x1580 [ 3004.799341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.799341][ T73] ip6_route_add+0x1c/0x140 [ 3004.799341][ T73] inet6_rtm_newroute+0x104/0x110 [ 3004.799341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.799341][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.799341][ T73] netlink_unicast+0x449/0x710 [ 3004.799341][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.799341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.799341][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.799341][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.799341][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.799341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.799341][ T73] [ 3004.801222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.801222][ T73] dst_init+0x84/0x4a0 [ 3004.801222][ T73] dst_alloc+0x97/0x150 [ 3004.801222][ T73] ip6_dst_alloc+0x23/0x90 [ 3004.801222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3004.801222][ T73] ip6_pol_route+0x56f/0x840 [ 3004.801222][ T73] fib6_rule_lookup+0x456/0x630 [ 3004.801222][ T73] ip6_route_input+0x59c/0xa50 [ 3004.801222][ T73] ipv6_rcv+0x397/0x810 [ 3004.801222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3004.801222][ T73] process_backlog+0x101/0x620 [ 3004.801222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3004.801222][ T73] net_rx_action+0x495/0xbe0 [ 3004.801222][ T73] __do_softirq+0x1b5/0x7f6 [ 3004.801222][ T73] [ 3004.802857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.802857][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.802857][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.802857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.802857][ T73] ip6_route_add+0x1c/0x140 [ 3004.802857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3004.802857][ T73] inet6_addr_add+0x4f8/0xa40 [ 3004.802857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.802857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.802857][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.802857][ T73] netlink_unicast+0x449/0x710 [ 3004.802857][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.802857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.802857][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.802857][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.802857][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.802857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.802857][ T73] [ 3004.804849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.804849][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.804849][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.804849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.804849][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3004.804849][ T73] ipv6_add_addr+0x411/0x2000 [ 3004.804849][ T73] inet6_addr_add+0x30e/0xa40 [ 3004.804849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.804849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.804849][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.804849][ T73] netlink_unicast+0x449/0x710 [ 3004.804849][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.804849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.804849][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.804849][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.804849][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.804849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.804849][ T73] [ 3004.806872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.806872][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.806872][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.806872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.806872][ T73] ip6_route_add+0x1c/0x140 [ 3004.806872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3004.806872][ T73] addrconf_add_dev+0xe2/0x170 [ 3004.806872][ T73] inet6_addr_add+0x12f/0xa40 [ 3004.806872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.806872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.806872][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.806872][ T73] netlink_unicast+0x449/0x710 [ 3004.806872][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.806872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.806872][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.806872][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.806872][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.806872][ T73] [ 3004.808835][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.808835][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3004.808835][ T73] ipv6_find_idev+0x102/0x170 [ 3004.808835][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.808835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.808835][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.808835][ T73] netlink_unicast+0x449/0x710 [ 3004.808835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.808835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.808835][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.808835][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.808835][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.808835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.808835][ T73] [ 3004.810367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3004.810367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3004.810367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3004.810367][ T73] ipv6_find_idev+0x102/0x170 [ 3004.810367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.810367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.810367][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.810367][ T73] netlink_unicast+0x449/0x710 [ 3004.810367][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.810367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.810367][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.810367][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.810367][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.810367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.810367][ T73] [ 3004.812046][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3004.812316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.812316][ T73] dst_init+0x84/0x4a0 [ 3004.812316][ T73] dst_alloc+0x97/0x150 [ 3004.812316][ T73] ip6_dst_alloc+0x23/0x90 [ 3004.812316][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3004.812316][ T73] ip6_pol_route+0x56f/0x840 [ 3004.812316][ T73] fib6_rule_lookup+0x456/0x630 [ 3004.812316][ T73] ip6_route_input+0x59c/0xa50 [ 3004.812316][ T73] ipv6_rcv+0x397/0x810 [ 3004.812316][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3004.812316][ T73] process_backlog+0x101/0x620 [ 3004.812316][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3004.812316][ T73] net_rx_action+0x495/0xbe0 [ 3004.812316][ T73] __do_softirq+0x1b5/0x7f6 [ 3004.812316][ T73] [ 3004.813947][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.813947][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.813947][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.813947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.813947][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3004.813947][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3004.813947][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3004.813947][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3004.813947][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3004.813947][ T73] addrconf_dad_begin+0x310/0x670 [ 3004.813947][ T73] addrconf_dad_work+0x10b/0xab0 [ 3004.813947][ T73] process_one_work+0x84d/0x18a0 [ 3004.813947][ T73] worker_thread+0x587/0xd30 [ 3004.813947][ T73] kthread+0x28a/0x350 [ 3004.813947][ T73] ret_from_fork+0x31/0x70 [ 3004.813947][ T73] ret_from_fork_asm+0x1a/0x30 [ 3004.813947][ T73] [ 3004.815843][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.815843][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.815843][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.815843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.815843][ T73] ip6_route_add+0x1c/0x140 [ 3004.815843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3004.815843][ T73] inet6_addr_add+0x4f8/0xa40 [ 3004.815843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.815843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.815843][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.815843][ T73] netlink_unicast+0x449/0x710 [ 3004.815843][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.815843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.815843][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.815843][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.815843][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.815843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.815843][ T73] [ 3004.817833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.817833][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.817833][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.817833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.817833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3004.817833][ T73] ipv6_add_addr+0x411/0x2000 [ 3004.817833][ T73] inet6_addr_add+0x30e/0xa40 [ 3004.817833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.817833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.817833][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.817833][ T73] netlink_unicast+0x449/0x710 [ 3004.817833][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.817833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.817833][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.817833][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.817833][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.817833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.817833][ T73] [ 3004.819937][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.819937][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.819937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.819937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.819937][ T73] ip6_route_add+0x1c/0x140 [ 3004.819937][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3004.819937][ T73] addrconf_add_dev+0xe2/0x170 [ 3004.819937][ T73] inet6_addr_add+0x12f/0xa40 [ 3004.819937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.819937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.819937][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.819937][ T73] netlink_unicast+0x449/0x710 [ 3004.819937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.819937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.819937][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.819937][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.819937][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.819937][ T73] [ 3004.821900][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.821900][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3004.821900][ T73] ipv6_find_idev+0x102/0x170 [ 3004.821900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.821900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.821900][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.821900][ T73] netlink_unicast+0x449/0x710 [ 3004.821900][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.821900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.821900][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.821900][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.821900][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.821900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.821900][ T73] [ 3004.823422][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3004.823422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3004.823422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3004.823422][ T73] ipv6_find_idev+0x102/0x170 [ 3004.823422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.823422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.823422][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.823422][ T73] netlink_unicast+0x449/0x710 [ 3004.823422][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.823422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.823422][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.823422][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.823422][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.823422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.823422][ T73] [ 3004.825172][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3004.825449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.825449][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3004.825449][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3004.825449][ T73] fib6_nh_init+0xa22/0x1580 [ 3004.825449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.825449][ T73] ip6_route_add+0x1c/0x140 [ 3004.825449][ T73] inet6_rtm_newroute+0x104/0x110 [ 3004.825449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.825449][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.825449][ T73] netlink_unicast+0x449/0x710 [ 3004.825449][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.825449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.825449][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.825449][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.825449][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.825449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.825449][ T73] [ 3004.827636][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.827636][ T73] dst_init+0x84/0x4a0 [ 3004.827636][ T73] dst_alloc+0x97/0x150 [ 3004.827636][ T73] ip6_dst_alloc+0x23/0x90 [ 3004.827636][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3004.827636][ T73] ip6_pol_route+0x56f/0x840 [ 3004.827636][ T73] fib6_rule_lookup+0x456/0x630 [ 3004.827636][ T73] ip6_route_input+0x59c/0xa50 [ 3004.827636][ T73] ipv6_rcv+0x397/0x810 [ 3004.827636][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3004.827636][ T73] process_backlog+0x101/0x620 [ 3004.827636][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3004.827636][ T73] net_rx_action+0x495/0xbe0 [ 3004.827636][ T73] __do_softirq+0x1b5/0x7f6 [ 3004.827636][ T73] [ 3004.829432][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.829432][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.829432][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.829432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.829432][ T73] ip6_route_add+0x1c/0x140 [ 3004.829432][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3004.829432][ T73] inet6_addr_add+0x4f8/0xa40 [ 3004.829432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.829432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.829432][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.829432][ T73] netlink_unicast+0x449/0x710 [ 3004.829432][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.829432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.829432][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.829432][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.829432][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.829432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.829432][ T73] [ 3004.831655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.831655][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.831655][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.831655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.831655][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3004.831655][ T73] ipv6_add_addr+0x411/0x2000 [ 3004.831655][ T73] inet6_addr_add+0x30e/0xa40 [ 3004.831655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.831655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.831655][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.831655][ T73] netlink_unicast+0x449/0x710 [ 3004.831655][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.831655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.831655][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.831655][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.831655][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.831655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.831655][ T73] [ 3004.833869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.833869][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.833869][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.833869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.833869][ T73] ip6_route_add+0x1c/0x140 [ 3004.833869][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3004.833869][ T73] addrconf_add_dev+0xe2/0x170 [ 3004.833869][ T73] inet6_addr_add+0x12f/0xa40 [ 3004.833869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.833869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.833869][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.833869][ T73] netlink_unicast+0x449/0x710 [ 3004.833869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.833869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.833869][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.833869][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.833869][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.833869][ T73] [ 3004.836123][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.836123][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3004.836123][ T73] ipv6_find_idev+0x102/0x170 [ 3004.836123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.836123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.836123][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.836123][ T73] netlink_unicast+0x449/0x710 [ 3004.836123][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.836123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.836123][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.836123][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.836123][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.836123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.836123][ T73] [ 3004.837790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3004.837790][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3004.837790][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3004.837790][ T73] ipv6_find_idev+0x102/0x170 [ 3004.837790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.837790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.837790][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.837790][ T73] netlink_unicast+0x449/0x710 [ 3004.837790][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.837790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.837790][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.837790][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.837790][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.837790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.837790][ T73] [ 3004.839711][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3004.840410][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3004.840410][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.840410][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.840410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.840410][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3004.840410][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3004.840410][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3004.840410][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3004.840410][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3004.840410][ T73] addrconf_dad_begin+0x310/0x670 [ 3004.840410][ T73] addrconf_dad_work+0x10b/0xab0 [ 3004.840410][ T73] process_one_work+0x84d/0x18a0 [ 3004.840410][ T73] worker_thread+0x587/0xd30 [ 3004.840410][ T73] kthread+0x28a/0x350 [ 3004.840410][ T73] ret_from_fork+0x31/0x70 [ 3004.840410][ T73] ret_from_fork_asm+0x1a/0x30 [ 3004.840410][ T73] [ 3004.842305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3004.842305][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.842305][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.842305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.842305][ T73] ip6_route_add+0x1c/0x140 [ 3004.842305][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3004.842305][ T73] inet6_addr_add+0x4f8/0xa40 [ 3004.842305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.842305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.842305][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.842305][ T73] netlink_unicast+0x449/0x710 [ 3004.842305][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.842305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.842305][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.842305][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.842305][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.842305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.842305][ T73] [ 3004.844406][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3004.844406][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.844406][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.844406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.844406][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3004.844406][ T73] ipv6_add_addr+0x411/0x2000 [ 3004.844406][ T73] inet6_addr_add+0x30e/0xa40 [ 3004.844406][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.844406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.844406][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.844406][ T73] netlink_unicast+0x449/0x710 [ 3004.844406][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.844406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.844406][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.844406][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.844406][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.844406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.844406][ T73] [ 3004.846658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3004.846658][ T73] netdev_get_by_index+0x5e/0x80 [ 3004.846658][ T73] fib6_nh_init+0x3d8/0x1580 [ 3004.846658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3004.846658][ T73] ip6_route_add+0x1c/0x140 [ 3004.846658][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3004.846658][ T73] addrconf_add_dev+0xe2/0x170 [ 3004.846658][ T73] inet6_addr_add+0x12f/0xa40 [ 3004.846658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.846658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.846658][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.846658][ T73] netlink_unicast+0x449/0x710 [ 3004.846658][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.846658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.846658][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.846658][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.846658][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.846658][ T73] [ 3004.848786][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3004.848786][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3004.848786][ T73] ipv6_find_idev+0x102/0x170 [ 3004.848786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.848786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.848786][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.848786][ T73] netlink_unicast+0x449/0x710 [ 3004.848786][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.848786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.848786][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.848786][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.848786][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.848786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.848786][ T73] [ 3004.850565][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3004.850565][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3004.850565][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3004.850565][ T73] ipv6_find_idev+0x102/0x170 [ 3004.850565][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.850565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.850565][ T73] netlink_rcv_skb+0x130/0x360 [ 3004.850565][ T73] netlink_unicast+0x449/0x710 [ 3004.850565][ T73] netlink_sendmsg+0x723/0xbe0 [ 3004.850565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3004.850565][ T73] ___sys_sendmsg+0xee/0x170 [ 3004.850565][ T73] __sys_sendmsg+0xcd/0x170 [ 3004.850565][ T73] do_syscall_64+0xc6/0x1e0 [ 3004.850565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.850565][ T73] [ 3015.094823][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3015.095267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.095267][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3015.095267][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3015.095267][ T73] fib6_nh_init+0xa22/0x1580 [ 3015.095267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.095267][ T73] ip6_route_add+0x1c/0x140 [ 3015.095267][ T73] inet6_rtm_newroute+0x104/0x110 [ 3015.095267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.095267][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.095267][ T73] netlink_unicast+0x449/0x710 [ 3015.095267][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.095267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.095267][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.095267][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.095267][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.095267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.095267][ T73] [ 3015.097156][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.097156][ T73] dst_init+0x84/0x4a0 [ 3015.097156][ T73] dst_alloc+0x97/0x150 [ 3015.097156][ T73] ip6_dst_alloc+0x23/0x90 [ 3015.097156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3015.097156][ T73] ip6_pol_route+0x56f/0x840 [ 3015.097156][ T73] fib6_rule_lookup+0x456/0x630 [ 3015.097156][ T73] ip6_route_input+0x59c/0xa50 [ 3015.097156][ T73] ipv6_rcv+0x397/0x810 [ 3015.097156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3015.097156][ T73] process_backlog+0x101/0x620 [ 3015.097156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3015.097156][ T73] net_rx_action+0x495/0xbe0 [ 3015.097156][ T73] __do_softirq+0x1b5/0x7f6 [ 3015.097156][ T73] [ 3015.098785][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.098785][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.098785][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.098785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.098785][ T73] ip6_route_add+0x1c/0x140 [ 3015.098785][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3015.098785][ T73] inet6_addr_add+0x4f8/0xa40 [ 3015.098785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.098785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.098785][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.098785][ T73] netlink_unicast+0x449/0x710 [ 3015.098785][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.098785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.098785][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.098785][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.098785][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.098785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.098785][ T73] [ 3015.100766][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.100766][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.100766][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.100766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.100766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3015.100766][ T73] ipv6_add_addr+0x411/0x2000 [ 3015.100766][ T73] inet6_addr_add+0x30e/0xa40 [ 3015.100766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.100766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.100766][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.100766][ T73] netlink_unicast+0x449/0x710 [ 3015.100766][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.100766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.100766][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.100766][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.100766][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.100766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.100766][ T73] [ 3015.102748][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.102748][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.102748][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.102748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.102748][ T73] ip6_route_add+0x1c/0x140 [ 3015.102748][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3015.102748][ T73] addrconf_add_dev+0xe2/0x170 [ 3015.102748][ T73] inet6_addr_add+0x12f/0xa40 [ 3015.102748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.102748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.102748][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.102748][ T73] netlink_unicast+0x449/0x710 [ 3015.102748][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.102748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.102748][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.102748][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.102748][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.102748][ T73] [ 3015.104701][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.104701][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3015.104701][ T73] ipv6_find_idev+0x102/0x170 [ 3015.104701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.104701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.104701][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.104701][ T73] netlink_unicast+0x449/0x710 [ 3015.104701][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.104701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.104701][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.104701][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.104701][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.104701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.104701][ T73] [ 3015.106241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3015.106241][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3015.106241][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3015.106241][ T73] ipv6_find_idev+0x102/0x170 [ 3015.106241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.106241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.106241][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.106241][ T73] netlink_unicast+0x449/0x710 [ 3015.106241][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.106241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.106241][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.106241][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.106241][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.106241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.106241][ T73] [ 3015.107938][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3015.108208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.108208][ T73] dst_init+0x84/0x4a0 [ 3015.108208][ T73] dst_alloc+0x97/0x150 [ 3015.108208][ T73] ip6_dst_alloc+0x23/0x90 [ 3015.108208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3015.108208][ T73] ip6_pol_route+0x56f/0x840 [ 3015.108208][ T73] fib6_rule_lookup+0x456/0x630 [ 3015.108208][ T73] ip6_route_input+0x59c/0xa50 [ 3015.108208][ T73] ipv6_rcv+0x397/0x810 [ 3015.108208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3015.108208][ T73] process_backlog+0x101/0x620 [ 3015.108208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3015.108208][ T73] net_rx_action+0x495/0xbe0 [ 3015.108208][ T73] __do_softirq+0x1b5/0x7f6 [ 3015.108208][ T73] [ 3015.109845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.109845][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.109845][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.109845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.109845][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3015.109845][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3015.109845][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3015.109845][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3015.109845][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3015.109845][ T73] addrconf_dad_begin+0x310/0x670 [ 3015.109845][ T73] addrconf_dad_work+0x10b/0xab0 [ 3015.109845][ T73] process_one_work+0x84d/0x18a0 [ 3015.109845][ T73] worker_thread+0x587/0xd30 [ 3015.109845][ T73] kthread+0x28a/0x350 [ 3015.109845][ T73] ret_from_fork+0x31/0x70 [ 3015.109845][ T73] ret_from_fork_asm+0x1a/0x30 [ 3015.109845][ T73] [ 3015.111732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.111732][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.111732][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.111732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.111732][ T73] ip6_route_add+0x1c/0x140 [ 3015.111732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3015.111732][ T73] inet6_addr_add+0x4f8/0xa40 [ 3015.111732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.111732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.111732][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.111732][ T73] netlink_unicast+0x449/0x710 [ 3015.111732][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.111732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.111732][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.111732][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.111732][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.111732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.111732][ T73] [ 3015.113723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.113723][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.113723][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.113723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.113723][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3015.113723][ T73] ipv6_add_addr+0x411/0x2000 [ 3015.113723][ T73] inet6_addr_add+0x30e/0xa40 [ 3015.113723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.113723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.113723][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.113723][ T73] netlink_unicast+0x449/0x710 [ 3015.113723][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.113723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.113723][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.113723][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.113723][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.113723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.113723][ T73] [ 3015.115710][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.115710][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.115710][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.115710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.115710][ T73] ip6_route_add+0x1c/0x140 [ 3015.115710][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3015.115710][ T73] addrconf_add_dev+0xe2/0x170 [ 3015.115710][ T73] inet6_addr_add+0x12f/0xa40 [ 3015.115710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.115710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.115710][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.115710][ T73] netlink_unicast+0x449/0x710 [ 3015.115710][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.115710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.115710][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.115710][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.115710][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.115710][ T73] [ 3015.117669][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.117669][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3015.117669][ T73] ipv6_find_idev+0x102/0x170 [ 3015.117669][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.117669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.117669][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.117669][ T73] netlink_unicast+0x449/0x710 [ 3015.117669][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.117669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.117669][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.117669][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.117669][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.117669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.117669][ T73] [ 3015.119200][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3015.119200][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3015.119200][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3015.119200][ T73] ipv6_find_idev+0x102/0x170 [ 3015.119200][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.119200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.119200][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.119200][ T73] netlink_unicast+0x449/0x710 [ 3015.119200][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.119200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.119200][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.119200][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.119200][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.119200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.119200][ T73] [ 3015.120991][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3015.121259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.121259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3015.121259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3015.121259][ T73] fib6_nh_init+0xa22/0x1580 [ 3015.121259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.121259][ T73] ip6_route_add+0x1c/0x140 [ 3015.121259][ T73] inet6_rtm_newroute+0x104/0x110 [ 3015.121259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.121259][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.121259][ T73] netlink_unicast+0x449/0x710 [ 3015.121259][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.121259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.121259][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.121259][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.121259][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.121259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.121259][ T73] [ 3015.123362][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.123362][ T73] dst_init+0x84/0x4a0 [ 3015.123362][ T73] dst_alloc+0x97/0x150 [ 3015.123362][ T73] ip6_dst_alloc+0x23/0x90 [ 3015.123362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3015.123362][ T73] ip6_pol_route+0x56f/0x840 [ 3015.123362][ T73] fib6_rule_lookup+0x456/0x630 [ 3015.123362][ T73] ip6_route_input+0x59c/0xa50 [ 3015.123362][ T73] ipv6_rcv+0x397/0x810 [ 3015.123362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3015.123362][ T73] process_backlog+0x101/0x620 [ 3015.123362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3015.123362][ T73] net_rx_action+0x495/0xbe0 [ 3015.123362][ T73] __do_softirq+0x1b5/0x7f6 [ 3015.123362][ T73] [ 3015.125164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.125164][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.125164][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.125164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.125164][ T73] ip6_route_add+0x1c/0x140 [ 3015.125164][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3015.125164][ T73] inet6_addr_add+0x4f8/0xa40 [ 3015.125164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.125164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.125164][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.125164][ T73] netlink_unicast+0x449/0x710 [ 3015.125164][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.125164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.125164][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.125164][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.125164][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.125164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.125164][ T73] [ 3015.127409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.127409][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.127409][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.127409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.127409][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3015.127409][ T73] ipv6_add_addr+0x411/0x2000 [ 3015.127409][ T73] inet6_addr_add+0x30e/0xa40 [ 3015.127409][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.127409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.127409][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.127409][ T73] netlink_unicast+0x449/0x710 [ 3015.127409][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.127409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.127409][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.127409][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.127409][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.127409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.127409][ T73] [ 3015.129694][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.129694][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.129694][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.129694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.129694][ T73] ip6_route_add+0x1c/0x140 [ 3015.129694][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3015.129694][ T73] addrconf_add_dev+0xe2/0x170 [ 3015.129694][ T73] inet6_addr_add+0x12f/0xa40 [ 3015.129694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.129694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.129694][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.129694][ T73] netlink_unicast+0x449/0x710 [ 3015.129694][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.129694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.129694][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.129694][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.129694][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.129694][ T73] [ 3015.131886][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.131886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3015.131886][ T73] ipv6_find_idev+0x102/0x170 [ 3015.131886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.131886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.131886][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.131886][ T73] netlink_unicast+0x449/0x710 [ 3015.131886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.131886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.131886][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.131886][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.131886][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.131886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.131886][ T73] [ 3015.133597][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3015.133597][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3015.133597][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3015.133597][ T73] ipv6_find_idev+0x102/0x170 [ 3015.133597][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.133597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.133597][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.133597][ T73] netlink_unicast+0x449/0x710 [ 3015.133597][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.133597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.133597][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.133597][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.133597][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.133597][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.133597][ T73] [ 3015.135446][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3015.135714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3015.135714][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.135714][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.135714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.135714][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3015.135714][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3015.135714][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3015.135714][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3015.135714][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3015.135714][ T73] addrconf_dad_begin+0x310/0x670 [ 3015.135714][ T73] addrconf_dad_work+0x10b/0xab0 [ 3015.135714][ T73] process_one_work+0x84d/0x18a0 [ 3015.135714][ T73] worker_thread+0x587/0xd30 [ 3015.135714][ T73] kthread+0x28a/0x350 [ 3015.135714][ T73] ret_from_fork+0x31/0x70 [ 3015.135714][ T73] ret_from_fork_asm+0x1a/0x30 [ 3015.135714][ T73] [ 3015.137911][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3015.137911][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.137911][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.137911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.137911][ T73] ip6_route_add+0x1c/0x140 [ 3015.137911][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3015.137911][ T73] inet6_addr_add+0x4f8/0xa40 [ 3015.137911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.137911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.137911][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.137911][ T73] netlink_unicast+0x449/0x710 [ 3015.137911][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.137911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.137911][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.137911][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.137911][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.137911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.137911][ T73] [ 3015.140140][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3015.140140][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.140140][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.140140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.140140][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3015.140140][ T73] ipv6_add_addr+0x411/0x2000 [ 3015.140140][ T73] inet6_addr_add+0x30e/0xa40 [ 3015.140140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.140140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.140140][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.140140][ T73] netlink_unicast+0x449/0x710 [ 3015.140140][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.140140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.140140][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.140140][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.140140][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.140140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.140140][ T73] [ 3015.142357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3015.142357][ T73] netdev_get_by_index+0x5e/0x80 [ 3015.142357][ T73] fib6_nh_init+0x3d8/0x1580 [ 3015.142357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3015.142357][ T73] ip6_route_add+0x1c/0x140 [ 3015.142357][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3015.142357][ T73] addrconf_add_dev+0xe2/0x170 [ 3015.142357][ T73] inet6_addr_add+0x12f/0xa40 [ 3015.142357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3015.142357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.142357][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.142357][ T73] netlink_unicast+0x449/0x710 [ 3015.142357][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.142357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.142357][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.142357][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.142357][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.142357][ T73] [ 3015.144485][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3015.144485][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3015.144485][ T73] ipv6_find_idev+0x102/0x170 [ 3015.144485][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.144485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.144485][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.144485][ T73] netlink_unicast+0x449/0x710 [ 3015.144485][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.144485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.144485][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.144485][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.144485][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.144485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.144485][ T73] [ 3015.146723][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3015.146723][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3015.146723][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3015.146723][ T73] ipv6_find_idev+0x102/0x170 [ 3015.146723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3015.146723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3015.146723][ T73] netlink_rcv_skb+0x130/0x360 [ 3015.146723][ T73] netlink_unicast+0x449/0x710 [ 3015.146723][ T73] netlink_sendmsg+0x723/0xbe0 [ 3015.146723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3015.146723][ T73] ___sys_sendmsg+0xee/0x170 [ 3015.146723][ T73] __sys_sendmsg+0xcd/0x170 [ 3015.146723][ T73] do_syscall_64+0xc6/0x1e0 [ 3015.146723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3015.146723][ T73] [ 3025.390915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3025.391361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.391361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3025.391361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3025.391361][ T73] fib6_nh_init+0xa22/0x1580 [ 3025.391361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.391361][ T73] ip6_route_add+0x1c/0x140 [ 3025.391361][ T73] inet6_rtm_newroute+0x104/0x110 [ 3025.391361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.391361][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.391361][ T73] netlink_unicast+0x449/0x710 [ 3025.391361][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.391361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.391361][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.391361][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.391361][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.391361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.391361][ T73] [ 3025.393241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.393241][ T73] dst_init+0x84/0x4a0 [ 3025.393241][ T73] dst_alloc+0x97/0x150 [ 3025.393241][ T73] ip6_dst_alloc+0x23/0x90 [ 3025.393241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3025.393241][ T73] ip6_pol_route+0x56f/0x840 [ 3025.393241][ T73] fib6_rule_lookup+0x456/0x630 [ 3025.393241][ T73] ip6_route_input+0x59c/0xa50 [ 3025.393241][ T73] ipv6_rcv+0x397/0x810 [ 3025.393241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3025.393241][ T73] process_backlog+0x101/0x620 [ 3025.393241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3025.393241][ T73] net_rx_action+0x495/0xbe0 [ 3025.393241][ T73] __do_softirq+0x1b5/0x7f6 [ 3025.393241][ T73] [ 3025.394866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.394866][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.394866][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.394866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.394866][ T73] ip6_route_add+0x1c/0x140 [ 3025.394866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3025.394866][ T73] inet6_addr_add+0x4f8/0xa40 [ 3025.394866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.394866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.394866][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.394866][ T73] netlink_unicast+0x449/0x710 [ 3025.394866][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.394866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.394866][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.394866][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.394866][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.394866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.394866][ T73] [ 3025.396858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.396858][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.396858][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.396858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.396858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3025.396858][ T73] ipv6_add_addr+0x411/0x2000 [ 3025.396858][ T73] inet6_addr_add+0x30e/0xa40 [ 3025.396858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.396858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.396858][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.396858][ T73] netlink_unicast+0x449/0x710 [ 3025.396858][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.396858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.396858][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.396858][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.396858][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.396858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.396858][ T73] [ 3025.398855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.398855][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.398855][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.398855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.398855][ T73] ip6_route_add+0x1c/0x140 [ 3025.398855][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3025.398855][ T73] addrconf_add_dev+0xe2/0x170 [ 3025.398855][ T73] inet6_addr_add+0x12f/0xa40 [ 3025.398855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.398855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.398855][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.398855][ T73] netlink_unicast+0x449/0x710 [ 3025.398855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.398855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.398855][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.398855][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.398855][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.398855][ T73] [ 3025.400847][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.400847][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3025.400847][ T73] ipv6_find_idev+0x102/0x170 [ 3025.400847][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.400847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.400847][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.400847][ T73] netlink_unicast+0x449/0x710 [ 3025.400847][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.400847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.400847][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.400847][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.400847][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.400847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.400847][ T73] [ 3025.402367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3025.402367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3025.402367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3025.402367][ T73] ipv6_find_idev+0x102/0x170 [ 3025.402367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.402367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.402367][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.402367][ T73] netlink_unicast+0x449/0x710 [ 3025.402367][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.402367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.402367][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.402367][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.402367][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.402367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.402367][ T73] [ 3025.404034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3025.404302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.404302][ T73] dst_init+0x84/0x4a0 [ 3025.404302][ T73] dst_alloc+0x97/0x150 [ 3025.404302][ T73] ip6_dst_alloc+0x23/0x90 [ 3025.404302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3025.404302][ T73] ip6_pol_route+0x56f/0x840 [ 3025.404302][ T73] fib6_rule_lookup+0x456/0x630 [ 3025.404302][ T73] ip6_route_input+0x59c/0xa50 [ 3025.404302][ T73] ipv6_rcv+0x397/0x810 [ 3025.404302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3025.404302][ T73] process_backlog+0x101/0x620 [ 3025.404302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3025.404302][ T73] net_rx_action+0x495/0xbe0 [ 3025.404302][ T73] __do_softirq+0x1b5/0x7f6 [ 3025.404302][ T73] [ 3025.405921][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.405921][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.405921][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.405921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.405921][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3025.405921][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3025.405921][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3025.405921][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3025.405921][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3025.405921][ T73] addrconf_dad_begin+0x310/0x670 [ 3025.405921][ T73] addrconf_dad_work+0x10b/0xab0 [ 3025.405921][ T73] process_one_work+0x84d/0x18a0 [ 3025.405921][ T73] worker_thread+0x587/0xd30 [ 3025.405921][ T73] kthread+0x28a/0x350 [ 3025.405921][ T73] ret_from_fork+0x31/0x70 [ 3025.405921][ T73] ret_from_fork_asm+0x1a/0x30 [ 3025.405921][ T73] [ 3025.407818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.407818][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.407818][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.407818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.407818][ T73] ip6_route_add+0x1c/0x140 [ 3025.407818][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3025.407818][ T73] inet6_addr_add+0x4f8/0xa40 [ 3025.407818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.407818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.407818][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.407818][ T73] netlink_unicast+0x449/0x710 [ 3025.407818][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.407818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.407818][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.407818][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.407818][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.407818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.407818][ T73] [ 3025.409800][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.409800][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.409800][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.409800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.409800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3025.409800][ T73] ipv6_add_addr+0x411/0x2000 [ 3025.409800][ T73] inet6_addr_add+0x30e/0xa40 [ 3025.409800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.409800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.409800][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.409800][ T73] netlink_unicast+0x449/0x710 [ 3025.409800][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.409800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.409800][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.409800][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.409800][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.409800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.409800][ T73] [ 3025.411777][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.411777][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.411777][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.411777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.411777][ T73] ip6_route_add+0x1c/0x140 [ 3025.411777][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3025.411777][ T73] addrconf_add_dev+0xe2/0x170 [ 3025.411777][ T73] inet6_addr_add+0x12f/0xa40 [ 3025.411777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.411777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.411777][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.411777][ T73] netlink_unicast+0x449/0x710 [ 3025.411777][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.411777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.411777][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.411777][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.411777][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.411777][ T73] [ 3025.413713][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.413713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3025.413713][ T73] ipv6_find_idev+0x102/0x170 [ 3025.413713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.413713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.413713][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.413713][ T73] netlink_unicast+0x449/0x710 [ 3025.413713][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.413713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.413713][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.413713][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.413713][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.413713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.413713][ T73] [ 3025.415229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3025.415229][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3025.415229][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3025.415229][ T73] ipv6_find_idev+0x102/0x170 [ 3025.415229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.415229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.415229][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.415229][ T73] netlink_unicast+0x449/0x710 [ 3025.415229][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.415229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.415229][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.415229][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.415229][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.415229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.415229][ T73] [ 3025.417014][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3025.417290][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.417290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3025.417290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3025.417290][ T73] fib6_nh_init+0xa22/0x1580 [ 3025.417290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.417290][ T73] ip6_route_add+0x1c/0x140 [ 3025.417290][ T73] inet6_rtm_newroute+0x104/0x110 [ 3025.417290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.417290][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.417290][ T73] netlink_unicast+0x449/0x710 [ 3025.417290][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.417290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.417290][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.417290][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.417290][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.417290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.417290][ T73] [ 3025.419459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.419459][ T73] dst_init+0x84/0x4a0 [ 3025.419459][ T73] dst_alloc+0x97/0x150 [ 3025.419459][ T73] ip6_dst_alloc+0x23/0x90 [ 3025.419459][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3025.419459][ T73] ip6_pol_route+0x56f/0x840 [ 3025.419459][ T73] fib6_rule_lookup+0x456/0x630 [ 3025.419459][ T73] ip6_route_input+0x59c/0xa50 [ 3025.419459][ T73] ipv6_rcv+0x397/0x810 [ 3025.419459][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3025.419459][ T73] process_backlog+0x101/0x620 [ 3025.419459][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3025.419459][ T73] net_rx_action+0x495/0xbe0 [ 3025.419459][ T73] __do_softirq+0x1b5/0x7f6 [ 3025.419459][ T73] [ 3025.421262][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.421262][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.421262][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.421262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.421262][ T73] ip6_route_add+0x1c/0x140 [ 3025.421262][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3025.421262][ T73] inet6_addr_add+0x4f8/0xa40 [ 3025.421262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.421262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.421262][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.421262][ T73] netlink_unicast+0x449/0x710 [ 3025.421262][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.421262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.421262][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.421262][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.421262][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.421262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.421262][ T73] [ 3025.423487][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.423487][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.423487][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.423487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.423487][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3025.423487][ T73] ipv6_add_addr+0x411/0x2000 [ 3025.423487][ T73] inet6_addr_add+0x30e/0xa40 [ 3025.423487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.423487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.423487][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.423487][ T73] netlink_unicast+0x449/0x710 [ 3025.423487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.423487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.423487][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.423487][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.423487][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.423487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.423487][ T73] [ 3025.425657][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.425657][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.425657][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.425657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.425657][ T73] ip6_route_add+0x1c/0x140 [ 3025.425657][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3025.425657][ T73] addrconf_add_dev+0xe2/0x170 [ 3025.425657][ T73] inet6_addr_add+0x12f/0xa40 [ 3025.425657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.425657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.425657][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.425657][ T73] netlink_unicast+0x449/0x710 [ 3025.425657][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.425657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.425657][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.425657][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.425657][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.425657][ T73] [ 3025.427911][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.427911][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3025.427911][ T73] ipv6_find_idev+0x102/0x170 [ 3025.427911][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.427911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.427911][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.427911][ T73] netlink_unicast+0x449/0x710 [ 3025.427911][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.427911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.427911][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.427911][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.427911][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.427911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.427911][ T73] [ 3025.429632][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3025.429632][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3025.429632][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3025.429632][ T73] ipv6_find_idev+0x102/0x170 [ 3025.429632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.429632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.429632][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.429632][ T73] netlink_unicast+0x449/0x710 [ 3025.429632][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.429632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.429632][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.429632][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.429632][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.429632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.429632][ T73] [ 3025.431559][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3025.431841][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3025.431841][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.431841][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.431841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.431841][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3025.431841][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3025.431841][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3025.431841][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3025.431841][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3025.431841][ T73] addrconf_dad_begin+0x310/0x670 [ 3025.431841][ T73] addrconf_dad_work+0x10b/0xab0 [ 3025.431841][ T73] process_one_work+0x84d/0x18a0 [ 3025.431841][ T73] worker_thread+0x587/0xd30 [ 3025.431841][ T73] kthread+0x28a/0x350 [ 3025.431841][ T73] ret_from_fork+0x31/0x70 [ 3025.431841][ T73] ret_from_fork_asm+0x1a/0x30 [ 3025.431841][ T73] [ 3025.433978][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3025.433978][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.433978][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.433978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.433978][ T73] ip6_route_add+0x1c/0x140 [ 3025.433978][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3025.433978][ T73] inet6_addr_add+0x4f8/0xa40 [ 3025.433978][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.433978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.433978][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.433978][ T73] netlink_unicast+0x449/0x710 [ 3025.433978][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.433978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.433978][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.433978][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.433978][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.433978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.433978][ T73] [ 3025.436135][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3025.436135][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.436135][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.436135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.436135][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3025.436135][ T73] ipv6_add_addr+0x411/0x2000 [ 3025.436135][ T73] inet6_addr_add+0x30e/0xa40 [ 3025.436135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.436135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.436135][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.436135][ T73] netlink_unicast+0x449/0x710 [ 3025.436135][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.436135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.436135][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.436135][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.436135][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.436135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.436135][ T73] [ 3025.438429][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3025.438429][ T73] netdev_get_by_index+0x5e/0x80 [ 3025.438429][ T73] fib6_nh_init+0x3d8/0x1580 [ 3025.438429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3025.438429][ T73] ip6_route_add+0x1c/0x140 [ 3025.438429][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3025.438429][ T73] addrconf_add_dev+0xe2/0x170 [ 3025.438429][ T73] inet6_addr_add+0x12f/0xa40 [ 3025.438429][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3025.438429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.438429][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.438429][ T73] netlink_unicast+0x449/0x710 [ 3025.438429][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.438429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.438429][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.438429][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.438429][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.438429][ T73] [ 3025.440615][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3025.440615][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3025.440615][ T73] ipv6_find_idev+0x102/0x170 [ 3025.440615][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.440615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.440615][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.440615][ T73] netlink_unicast+0x449/0x710 [ 3025.440615][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.440615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.440615][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.440615][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.440615][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.440615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.440615][ T73] [ 3025.442318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3025.442318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3025.442318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3025.442318][ T73] ipv6_find_idev+0x102/0x170 [ 3025.442318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3025.442318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3025.442318][ T73] netlink_rcv_skb+0x130/0x360 [ 3025.442318][ T73] netlink_unicast+0x449/0x710 [ 3025.442318][ T73] netlink_sendmsg+0x723/0xbe0 [ 3025.442318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3025.442318][ T73] ___sys_sendmsg+0xee/0x170 [ 3025.442318][ T73] __sys_sendmsg+0xcd/0x170 [ 3025.442318][ T73] do_syscall_64+0xc6/0x1e0 [ 3025.442318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3025.442318][ T73] [ 3035.630898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3035.631385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.631385][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3035.631385][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3035.631385][ T73] fib6_nh_init+0xa22/0x1580 [ 3035.631385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.631385][ T73] ip6_route_add+0x1c/0x140 [ 3035.631385][ T73] inet6_rtm_newroute+0x104/0x110 [ 3035.631385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.631385][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.631385][ T73] netlink_unicast+0x449/0x710 [ 3035.631385][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.631385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.631385][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.631385][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.631385][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.631385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.631385][ T73] [ 3035.633267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.633267][ T73] dst_init+0x84/0x4a0 [ 3035.633267][ T73] dst_alloc+0x97/0x150 [ 3035.633267][ T73] ip6_dst_alloc+0x23/0x90 [ 3035.633267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3035.633267][ T73] ip6_pol_route+0x56f/0x840 [ 3035.633267][ T73] fib6_rule_lookup+0x456/0x630 [ 3035.633267][ T73] ip6_route_input+0x59c/0xa50 [ 3035.633267][ T73] ipv6_rcv+0x397/0x810 [ 3035.633267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3035.633267][ T73] process_backlog+0x101/0x620 [ 3035.633267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3035.633267][ T73] net_rx_action+0x495/0xbe0 [ 3035.633267][ T73] __do_softirq+0x1b5/0x7f6 [ 3035.633267][ T73] [ 3035.634887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.634887][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.634887][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.634887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.634887][ T73] ip6_route_add+0x1c/0x140 [ 3035.634887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3035.634887][ T73] inet6_addr_add+0x4f8/0xa40 [ 3035.634887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.634887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.634887][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.634887][ T73] netlink_unicast+0x449/0x710 [ 3035.634887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.634887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.634887][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.634887][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.634887][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.634887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.634887][ T73] [ 3035.636880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.636880][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.636880][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.636880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.636880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3035.636880][ T73] ipv6_add_addr+0x411/0x2000 [ 3035.636880][ T73] inet6_addr_add+0x30e/0xa40 [ 3035.636880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.636880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.636880][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.636880][ T73] netlink_unicast+0x449/0x710 [ 3035.636880][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.636880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.636880][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.636880][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.636880][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.636880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.636880][ T73] [ 3035.638864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.638864][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.638864][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.638864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.638864][ T73] ip6_route_add+0x1c/0x140 [ 3035.638864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3035.638864][ T73] addrconf_add_dev+0xe2/0x170 [ 3035.638864][ T73] inet6_addr_add+0x12f/0xa40 [ 3035.638864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.638864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.638864][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.638864][ T73] netlink_unicast+0x449/0x710 [ 3035.638864][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.638864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.638864][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.638864][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.638864][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.638864][ T73] [ 3035.640811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.640811][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3035.640811][ T73] ipv6_find_idev+0x102/0x170 [ 3035.640811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.640811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.640811][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.640811][ T73] netlink_unicast+0x449/0x710 [ 3035.640811][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.640811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.640811][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.640811][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.640811][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.640811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.640811][ T73] [ 3035.642339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3035.642339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3035.642339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3035.642339][ T73] ipv6_find_idev+0x102/0x170 [ 3035.642339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.642339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.642339][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.642339][ T73] netlink_unicast+0x449/0x710 [ 3035.642339][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.642339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.642339][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.642339][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.642339][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.642339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.642339][ T73] [ 3035.644017][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3035.644284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.644284][ T73] dst_init+0x84/0x4a0 [ 3035.644284][ T73] dst_alloc+0x97/0x150 [ 3035.644284][ T73] ip6_dst_alloc+0x23/0x90 [ 3035.644284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3035.644284][ T73] ip6_pol_route+0x56f/0x840 [ 3035.644284][ T73] fib6_rule_lookup+0x456/0x630 [ 3035.644284][ T73] ip6_route_input+0x59c/0xa50 [ 3035.644284][ T73] ipv6_rcv+0x397/0x810 [ 3035.644284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3035.644284][ T73] process_backlog+0x101/0x620 [ 3035.644284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3035.644284][ T73] net_rx_action+0x495/0xbe0 [ 3035.644284][ T73] __do_softirq+0x1b5/0x7f6 [ 3035.644284][ T73] [ 3035.645914][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.645914][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.645914][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.645914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.645914][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3035.645914][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3035.645914][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3035.645914][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3035.645914][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3035.645914][ T73] addrconf_dad_begin+0x310/0x670 [ 3035.645914][ T73] addrconf_dad_work+0x10b/0xab0 [ 3035.645914][ T73] process_one_work+0x84d/0x18a0 [ 3035.645914][ T73] worker_thread+0x587/0xd30 [ 3035.645914][ T73] kthread+0x28a/0x350 [ 3035.645914][ T73] ret_from_fork+0x31/0x70 [ 3035.645914][ T73] ret_from_fork_asm+0x1a/0x30 [ 3035.645914][ T73] [ 3035.647809][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.647809][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.647809][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.647809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.647809][ T73] ip6_route_add+0x1c/0x140 [ 3035.647809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3035.647809][ T73] inet6_addr_add+0x4f8/0xa40 [ 3035.647809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.647809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.647809][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.647809][ T73] netlink_unicast+0x449/0x710 [ 3035.647809][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.647809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.647809][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.647809][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.647809][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.647809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.647809][ T73] [ 3035.649792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.649792][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.649792][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.649792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.649792][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3035.649792][ T73] ipv6_add_addr+0x411/0x2000 [ 3035.649792][ T73] inet6_addr_add+0x30e/0xa40 [ 3035.649792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.649792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.649792][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.649792][ T73] netlink_unicast+0x449/0x710 [ 3035.649792][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.649792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.649792][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.649792][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.649792][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.649792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.649792][ T73] [ 3035.651766][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.651766][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.651766][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.651766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.651766][ T73] ip6_route_add+0x1c/0x140 [ 3035.651766][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3035.651766][ T73] addrconf_add_dev+0xe2/0x170 [ 3035.651766][ T73] inet6_addr_add+0x12f/0xa40 [ 3035.651766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.651766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.651766][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.651766][ T73] netlink_unicast+0x449/0x710 [ 3035.651766][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.651766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.651766][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.651766][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.651766][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.651766][ T73] [ 3035.653712][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.653712][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3035.653712][ T73] ipv6_find_idev+0x102/0x170 [ 3035.653712][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.653712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.653712][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.653712][ T73] netlink_unicast+0x449/0x710 [ 3035.653712][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.653712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.653712][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.653712][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.653712][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.653712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.653712][ T73] [ 3035.655235][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3035.655235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3035.655235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3035.655235][ T73] ipv6_find_idev+0x102/0x170 [ 3035.655235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.655235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.655235][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.655235][ T73] netlink_unicast+0x449/0x710 [ 3035.655235][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.655235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.655235][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.655235][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.655235][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.655235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.655235][ T73] [ 3035.657033][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3035.657294][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.657294][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3035.657294][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3035.657294][ T73] fib6_nh_init+0xa22/0x1580 [ 3035.657294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.657294][ T73] ip6_route_add+0x1c/0x140 [ 3035.657294][ T73] inet6_rtm_newroute+0x104/0x110 [ 3035.657294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.657294][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.657294][ T73] netlink_unicast+0x449/0x710 [ 3035.657294][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.657294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.657294][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.657294][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.657294][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.657294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.657294][ T73] [ 3035.659484][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.659484][ T73] dst_init+0x84/0x4a0 [ 3035.659484][ T73] dst_alloc+0x97/0x150 [ 3035.659484][ T73] ip6_dst_alloc+0x23/0x90 [ 3035.659484][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3035.659484][ T73] ip6_pol_route+0x56f/0x840 [ 3035.659484][ T73] fib6_rule_lookup+0x456/0x630 [ 3035.659484][ T73] ip6_route_input+0x59c/0xa50 [ 3035.659484][ T73] ipv6_rcv+0x397/0x810 [ 3035.659484][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3035.659484][ T73] process_backlog+0x101/0x620 [ 3035.659484][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3035.659484][ T73] net_rx_action+0x495/0xbe0 [ 3035.659484][ T73] __do_softirq+0x1b5/0x7f6 [ 3035.659484][ T73] [ 3035.661281][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.661281][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.661281][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.661281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.661281][ T73] ip6_route_add+0x1c/0x140 [ 3035.661281][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3035.661281][ T73] inet6_addr_add+0x4f8/0xa40 [ 3035.661281][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.661281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.661281][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.661281][ T73] netlink_unicast+0x449/0x710 [ 3035.661281][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.661281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.661281][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.661281][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.661281][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.661281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.661281][ T73] [ 3035.663511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.663511][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.663511][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.663511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.663511][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3035.663511][ T73] ipv6_add_addr+0x411/0x2000 [ 3035.663511][ T73] inet6_addr_add+0x30e/0xa40 [ 3035.663511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.663511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.663511][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.663511][ T73] netlink_unicast+0x449/0x710 [ 3035.663511][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.663511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.663511][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.663511][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.663511][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.663511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.663511][ T73] [ 3035.665671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.665671][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.665671][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.665671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.665671][ T73] ip6_route_add+0x1c/0x140 [ 3035.665671][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3035.665671][ T73] addrconf_add_dev+0xe2/0x170 [ 3035.665671][ T73] inet6_addr_add+0x12f/0xa40 [ 3035.665671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.665671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.665671][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.665671][ T73] netlink_unicast+0x449/0x710 [ 3035.665671][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.665671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.665671][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.665671][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.665671][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.665671][ T73] [ 3035.667941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.667941][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3035.667941][ T73] ipv6_find_idev+0x102/0x170 [ 3035.667941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.667941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.667941][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.667941][ T73] netlink_unicast+0x449/0x710 [ 3035.667941][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.667941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.667941][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.667941][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.667941][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.667941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.667941][ T73] [ 3035.669650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3035.669650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3035.669650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3035.669650][ T73] ipv6_find_idev+0x102/0x170 [ 3035.669650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.669650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.669650][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.669650][ T73] netlink_unicast+0x449/0x710 [ 3035.669650][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.669650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.669650][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.669650][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.669650][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.669650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.669650][ T73] [ 3035.671569][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3035.672269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3035.672269][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.672269][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.672269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.672269][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3035.672269][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3035.672269][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3035.672269][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3035.672269][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3035.672269][ T73] addrconf_dad_begin+0x310/0x670 [ 3035.672269][ T73] addrconf_dad_work+0x10b/0xab0 [ 3035.672269][ T73] process_one_work+0x84d/0x18a0 [ 3035.672269][ T73] worker_thread+0x587/0xd30 [ 3035.672269][ T73] kthread+0x28a/0x350 [ 3035.672269][ T73] ret_from_fork+0x31/0x70 [ 3035.672269][ T73] ret_from_fork_asm+0x1a/0x30 [ 3035.672269][ T73] [ 3035.674169][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3035.674169][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.674169][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.674169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.674169][ T73] ip6_route_add+0x1c/0x140 [ 3035.674169][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3035.674169][ T73] inet6_addr_add+0x4f8/0xa40 [ 3035.674169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.674169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.674169][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.674169][ T73] netlink_unicast+0x449/0x710 [ 3035.674169][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.674169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.674169][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.674169][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.674169][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.674169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.674169][ T73] [ 3035.676200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3035.676200][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.676200][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.676200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.676200][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3035.676200][ T73] ipv6_add_addr+0x411/0x2000 [ 3035.676200][ T73] inet6_addr_add+0x30e/0xa40 [ 3035.676200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.676200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.676200][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.676200][ T73] netlink_unicast+0x449/0x710 [ 3035.676200][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.676200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.676200][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.676200][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.676200][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.676200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.676200][ T73] [ 3035.678425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3035.678425][ T73] netdev_get_by_index+0x5e/0x80 [ 3035.678425][ T73] fib6_nh_init+0x3d8/0x1580 [ 3035.678425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3035.678425][ T73] ip6_route_add+0x1c/0x140 [ 3035.678425][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3035.678425][ T73] addrconf_add_dev+0xe2/0x170 [ 3035.678425][ T73] inet6_addr_add+0x12f/0xa40 [ 3035.678425][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.678425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.678425][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.678425][ T73] netlink_unicast+0x449/0x710 [ 3035.678425][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.678425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.678425][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.678425][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.678425][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.678425][ T73] [ 3035.680674][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3035.680674][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3035.680674][ T73] ipv6_find_idev+0x102/0x170 [ 3035.680674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.680674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.680674][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.680674][ T73] netlink_unicast+0x449/0x710 [ 3035.680674][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.680674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.680674][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.680674][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.680674][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.680674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.680674][ T73] [ 3035.682383][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3035.682383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3035.682383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3035.682383][ T73] ipv6_find_idev+0x102/0x170 [ 3035.682383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.682383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.682383][ T73] netlink_rcv_skb+0x130/0x360 [ 3035.682383][ T73] netlink_unicast+0x449/0x710 [ 3035.682383][ T73] netlink_sendmsg+0x723/0xbe0 [ 3035.682383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3035.682383][ T73] ___sys_sendmsg+0xee/0x170 [ 3035.682383][ T73] __sys_sendmsg+0xcd/0x170 [ 3035.682383][ T73] do_syscall_64+0xc6/0x1e0 [ 3035.682383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.682383][ T73] [ 3045.774898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3045.775357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.775357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3045.775357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3045.775357][ T73] fib6_nh_init+0xa22/0x1580 [ 3045.775357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.775357][ T73] ip6_route_add+0x1c/0x140 [ 3045.775357][ T73] inet6_rtm_newroute+0x104/0x110 [ 3045.775357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.775357][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.775357][ T73] netlink_unicast+0x449/0x710 [ 3045.775357][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.775357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.775357][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.775357][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.775357][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.775357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.775357][ T73] [ 3045.777268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.777268][ T73] dst_init+0x84/0x4a0 [ 3045.777268][ T73] dst_alloc+0x97/0x150 [ 3045.777268][ T73] ip6_dst_alloc+0x23/0x90 [ 3045.777268][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3045.777268][ T73] ip6_pol_route+0x56f/0x840 [ 3045.777268][ T73] fib6_rule_lookup+0x456/0x630 [ 3045.777268][ T73] ip6_route_input+0x59c/0xa50 [ 3045.777268][ T73] ipv6_rcv+0x397/0x810 [ 3045.777268][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3045.777268][ T73] process_backlog+0x101/0x620 [ 3045.777268][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3045.777268][ T73] net_rx_action+0x495/0xbe0 [ 3045.777268][ T73] __do_softirq+0x1b5/0x7f6 [ 3045.777268][ T73] [ 3045.778916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.778916][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.778916][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.778916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.778916][ T73] ip6_route_add+0x1c/0x140 [ 3045.778916][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3045.778916][ T73] inet6_addr_add+0x4f8/0xa40 [ 3045.778916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.778916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.778916][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.778916][ T73] netlink_unicast+0x449/0x710 [ 3045.778916][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.778916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.778916][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.778916][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.778916][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.778916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.778916][ T73] [ 3045.780932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.780932][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.780932][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.780932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.780932][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3045.780932][ T73] ipv6_add_addr+0x411/0x2000 [ 3045.780932][ T73] inet6_addr_add+0x30e/0xa40 [ 3045.780932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.780932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.780932][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.780932][ T73] netlink_unicast+0x449/0x710 [ 3045.780932][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.780932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.780932][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.780932][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.780932][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.780932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.780932][ T73] [ 3045.782940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.782940][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.782940][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.782940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.782940][ T73] ip6_route_add+0x1c/0x140 [ 3045.782940][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3045.782940][ T73] addrconf_add_dev+0xe2/0x170 [ 3045.782940][ T73] inet6_addr_add+0x12f/0xa40 [ 3045.782940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.782940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.782940][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.782940][ T73] netlink_unicast+0x449/0x710 [ 3045.782940][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.782940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.782940][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.782940][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.782940][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.782940][ T73] [ 3045.784904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.784904][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3045.784904][ T73] ipv6_find_idev+0x102/0x170 [ 3045.784904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.784904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.784904][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.784904][ T73] netlink_unicast+0x449/0x710 [ 3045.784904][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.784904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.784904][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.784904][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.784904][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.784904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.784904][ T73] [ 3045.786452][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3045.786452][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3045.786452][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3045.786452][ T73] ipv6_find_idev+0x102/0x170 [ 3045.786452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.786452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.786452][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.786452][ T73] netlink_unicast+0x449/0x710 [ 3045.786452][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.786452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.786452][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.786452][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.786452][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.786452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.786452][ T73] [ 3045.788162][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3045.788438][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.788438][ T73] dst_init+0x84/0x4a0 [ 3045.788438][ T73] dst_alloc+0x97/0x150 [ 3045.788438][ T73] ip6_dst_alloc+0x23/0x90 [ 3045.788438][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3045.788438][ T73] ip6_pol_route+0x56f/0x840 [ 3045.788438][ T73] fib6_rule_lookup+0x456/0x630 [ 3045.788438][ T73] ip6_route_input+0x59c/0xa50 [ 3045.788438][ T73] ipv6_rcv+0x397/0x810 [ 3045.788438][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3045.788438][ T73] process_backlog+0x101/0x620 [ 3045.788438][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3045.788438][ T73] net_rx_action+0x495/0xbe0 [ 3045.788438][ T73] __do_softirq+0x1b5/0x7f6 [ 3045.788438][ T73] [ 3045.790091][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.790091][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.790091][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.790091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.790091][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3045.790091][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3045.790091][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3045.790091][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3045.790091][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3045.790091][ T73] addrconf_dad_begin+0x310/0x670 [ 3045.790091][ T73] addrconf_dad_work+0x10b/0xab0 [ 3045.790091][ T73] process_one_work+0x84d/0x18a0 [ 3045.790091][ T73] worker_thread+0x587/0xd30 [ 3045.790091][ T73] kthread+0x28a/0x350 [ 3045.790091][ T73] ret_from_fork+0x31/0x70 [ 3045.790091][ T73] ret_from_fork_asm+0x1a/0x30 [ 3045.790091][ T73] [ 3045.792005][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.792005][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.792005][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.792005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.792005][ T73] ip6_route_add+0x1c/0x140 [ 3045.792005][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3045.792005][ T73] inet6_addr_add+0x4f8/0xa40 [ 3045.792005][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.792005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.792005][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.792005][ T73] netlink_unicast+0x449/0x710 [ 3045.792005][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.792005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.792005][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.792005][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.792005][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.792005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.792005][ T73] [ 3045.794008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.794008][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.794008][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.794008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.794008][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3045.794008][ T73] ipv6_add_addr+0x411/0x2000 [ 3045.794008][ T73] inet6_addr_add+0x30e/0xa40 [ 3045.794008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.794008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.794008][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.794008][ T73] netlink_unicast+0x449/0x710 [ 3045.794008][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.794008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.794008][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.794008][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.794008][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.794008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.794008][ T73] [ 3045.796014][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.796014][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.796014][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.796014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.796014][ T73] ip6_route_add+0x1c/0x140 [ 3045.796014][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3045.796014][ T73] addrconf_add_dev+0xe2/0x170 [ 3045.796014][ T73] inet6_addr_add+0x12f/0xa40 [ 3045.796014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.796014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.796014][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.796014][ T73] netlink_unicast+0x449/0x710 [ 3045.796014][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.796014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.796014][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.796014][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.796014][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.796014][ T73] [ 3045.798010][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.798010][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3045.798010][ T73] ipv6_find_idev+0x102/0x170 [ 3045.798010][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.798010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.798010][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.798010][ T73] netlink_unicast+0x449/0x710 [ 3045.798010][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.798010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.798010][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.798010][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.798010][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.798010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.798010][ T73] [ 3045.799555][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3045.799555][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3045.799555][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3045.799555][ T73] ipv6_find_idev+0x102/0x170 [ 3045.799555][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.799555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.799555][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.799555][ T73] netlink_unicast+0x449/0x710 [ 3045.799555][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.799555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.799555][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.799555][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.799555][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.799555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.799555][ T73] [ 3045.801367][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3045.801641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.801641][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3045.801641][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3045.801641][ T73] fib6_nh_init+0xa22/0x1580 [ 3045.801641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.801641][ T73] ip6_route_add+0x1c/0x140 [ 3045.801641][ T73] inet6_rtm_newroute+0x104/0x110 [ 3045.801641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.801641][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.801641][ T73] netlink_unicast+0x449/0x710 [ 3045.801641][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.801641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.801641][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.801641][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.801641][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.801641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.801641][ T73] [ 3045.803831][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.803831][ T73] dst_init+0x84/0x4a0 [ 3045.803831][ T73] dst_alloc+0x97/0x150 [ 3045.803831][ T73] ip6_dst_alloc+0x23/0x90 [ 3045.803831][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3045.803831][ T73] ip6_pol_route+0x56f/0x840 [ 3045.803831][ T73] fib6_rule_lookup+0x456/0x630 [ 3045.803831][ T73] ip6_route_input+0x59c/0xa50 [ 3045.803831][ T73] ipv6_rcv+0x397/0x810 [ 3045.803831][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3045.803831][ T73] process_backlog+0x101/0x620 [ 3045.803831][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3045.803831][ T73] net_rx_action+0x495/0xbe0 [ 3045.803831][ T73] __do_softirq+0x1b5/0x7f6 [ 3045.803831][ T73] [ 3045.805661][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.805661][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.805661][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.805661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.805661][ T73] ip6_route_add+0x1c/0x140 [ 3045.805661][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3045.805661][ T73] inet6_addr_add+0x4f8/0xa40 [ 3045.805661][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.805661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.805661][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.805661][ T73] netlink_unicast+0x449/0x710 [ 3045.805661][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.805661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.805661][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.805661][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.805661][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.805661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.805661][ T73] [ 3045.807912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.807912][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.807912][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.807912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.807912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3045.807912][ T73] ipv6_add_addr+0x411/0x2000 [ 3045.807912][ T73] inet6_addr_add+0x30e/0xa40 [ 3045.807912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.807912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.807912][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.807912][ T73] netlink_unicast+0x449/0x710 [ 3045.807912][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.807912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.807912][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.807912][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.807912][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.807912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.807912][ T73] [ 3045.810150][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.810150][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.810150][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.810150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.810150][ T73] ip6_route_add+0x1c/0x140 [ 3045.810150][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3045.810150][ T73] addrconf_add_dev+0xe2/0x170 [ 3045.810150][ T73] inet6_addr_add+0x12f/0xa40 [ 3045.810150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.810150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.810150][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.810150][ T73] netlink_unicast+0x449/0x710 [ 3045.810150][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.810150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.810150][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.810150][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.810150][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.810150][ T73] [ 3045.812352][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.812352][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3045.812352][ T73] ipv6_find_idev+0x102/0x170 [ 3045.812352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.812352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.812352][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.812352][ T73] netlink_unicast+0x449/0x710 [ 3045.812352][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.812352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.812352][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.812352][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.812352][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.812352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.812352][ T73] [ 3045.814071][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3045.814071][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3045.814071][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3045.814071][ T73] ipv6_find_idev+0x102/0x170 [ 3045.814071][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.814071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.814071][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.814071][ T73] netlink_unicast+0x449/0x710 [ 3045.814071][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.814071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.814071][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.814071][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.814071][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.814071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.814071][ T73] [ 3045.815992][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3045.816269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3045.816269][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.816269][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.816269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.816269][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3045.816269][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3045.816269][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3045.816269][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3045.816269][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3045.816269][ T73] addrconf_dad_begin+0x310/0x670 [ 3045.816269][ T73] addrconf_dad_work+0x10b/0xab0 [ 3045.816269][ T73] process_one_work+0x84d/0x18a0 [ 3045.816269][ T73] worker_thread+0x587/0xd30 [ 3045.816269][ T73] kthread+0x28a/0x350 [ 3045.816269][ T73] ret_from_fork+0x31/0x70 [ 3045.816269][ T73] ret_from_fork_asm+0x1a/0x30 [ 3045.816269][ T73] [ 3045.818423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3045.818423][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.818423][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.818423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.818423][ T73] ip6_route_add+0x1c/0x140 [ 3045.818423][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3045.818423][ T73] inet6_addr_add+0x4f8/0xa40 [ 3045.818423][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.818423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.818423][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.818423][ T73] netlink_unicast+0x449/0x710 [ 3045.818423][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.818423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.818423][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.818423][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.818423][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.818423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.818423][ T73] [ 3045.820607][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3045.820607][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.820607][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.820607][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.820607][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3045.820607][ T73] ipv6_add_addr+0x411/0x2000 [ 3045.820607][ T73] inet6_addr_add+0x30e/0xa40 [ 3045.820607][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.820607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.820607][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.820607][ T73] netlink_unicast+0x449/0x710 [ 3045.820607][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.820607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.820607][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.820607][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.820607][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.820607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.820607][ T73] [ 3045.822908][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3045.822908][ T73] netdev_get_by_index+0x5e/0x80 [ 3045.822908][ T73] fib6_nh_init+0x3d8/0x1580 [ 3045.822908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3045.822908][ T73] ip6_route_add+0x1c/0x140 [ 3045.822908][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3045.822908][ T73] addrconf_add_dev+0xe2/0x170 [ 3045.822908][ T73] inet6_addr_add+0x12f/0xa40 [ 3045.822908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.822908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.822908][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.822908][ T73] netlink_unicast+0x449/0x710 [ 3045.822908][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.822908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.822908][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.822908][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.822908][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.822908][ T73] [ 3045.825121][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3045.825121][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3045.825121][ T73] ipv6_find_idev+0x102/0x170 [ 3045.825121][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.825121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.825121][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.825121][ T73] netlink_unicast+0x449/0x710 [ 3045.825121][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.825121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.825121][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.825121][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.825121][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.825121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.825121][ T73] [ 3045.826852][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3045.826852][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3045.826852][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3045.826852][ T73] ipv6_find_idev+0x102/0x170 [ 3045.826852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.826852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.826852][ T73] netlink_rcv_skb+0x130/0x360 [ 3045.826852][ T73] netlink_unicast+0x449/0x710 [ 3045.826852][ T73] netlink_sendmsg+0x723/0xbe0 [ 3045.826852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3045.826852][ T73] ___sys_sendmsg+0xee/0x170 [ 3045.826852][ T73] __sys_sendmsg+0xcd/0x170 [ 3045.826852][ T73] do_syscall_64+0xc6/0x1e0 [ 3045.826852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.826852][ T73] [ 3056.070882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3056.071346][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.071346][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3056.071346][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3056.071346][ T73] fib6_nh_init+0xa22/0x1580 [ 3056.071346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.071346][ T73] ip6_route_add+0x1c/0x140 [ 3056.071346][ T73] inet6_rtm_newroute+0x104/0x110 [ 3056.071346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.071346][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.071346][ T73] netlink_unicast+0x449/0x710 [ 3056.071346][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.071346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.071346][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.071346][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.071346][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.071346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.071346][ T73] [ 3056.073256][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.073256][ T73] dst_init+0x84/0x4a0 [ 3056.073256][ T73] dst_alloc+0x97/0x150 [ 3056.073256][ T73] ip6_dst_alloc+0x23/0x90 [ 3056.073256][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3056.073256][ T73] ip6_pol_route+0x56f/0x840 [ 3056.073256][ T73] fib6_rule_lookup+0x456/0x630 [ 3056.073256][ T73] ip6_route_input+0x59c/0xa50 [ 3056.073256][ T73] ipv6_rcv+0x397/0x810 [ 3056.073256][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3056.073256][ T73] process_backlog+0x101/0x620 [ 3056.073256][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3056.073256][ T73] net_rx_action+0x495/0xbe0 [ 3056.073256][ T73] __do_softirq+0x1b5/0x7f6 [ 3056.073256][ T73] [ 3056.074903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.074903][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.074903][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.074903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.074903][ T73] ip6_route_add+0x1c/0x140 [ 3056.074903][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3056.074903][ T73] inet6_addr_add+0x4f8/0xa40 [ 3056.074903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.074903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.074903][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.074903][ T73] netlink_unicast+0x449/0x710 [ 3056.074903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.074903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.074903][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.074903][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.074903][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.074903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.074903][ T73] [ 3056.076914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.076914][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.076914][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.076914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.076914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3056.076914][ T73] ipv6_add_addr+0x411/0x2000 [ 3056.076914][ T73] inet6_addr_add+0x30e/0xa40 [ 3056.076914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.076914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.076914][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.076914][ T73] netlink_unicast+0x449/0x710 [ 3056.076914][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.076914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.076914][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.076914][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.076914][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.076914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.076914][ T73] [ 3056.078917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.078917][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.078917][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.078917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.078917][ T73] ip6_route_add+0x1c/0x140 [ 3056.078917][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3056.078917][ T73] addrconf_add_dev+0xe2/0x170 [ 3056.078917][ T73] inet6_addr_add+0x12f/0xa40 [ 3056.078917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.078917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.078917][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.078917][ T73] netlink_unicast+0x449/0x710 [ 3056.078917][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.078917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.078917][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.078917][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.078917][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.078917][ T73] [ 3056.080901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.080901][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3056.080901][ T73] ipv6_find_idev+0x102/0x170 [ 3056.080901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.080901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.080901][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.080901][ T73] netlink_unicast+0x449/0x710 [ 3056.080901][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.080901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.080901][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.080901][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.080901][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.080901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.080901][ T73] [ 3056.082440][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3056.082440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3056.082440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3056.082440][ T73] ipv6_find_idev+0x102/0x170 [ 3056.082440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.082440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.082440][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.082440][ T73] netlink_unicast+0x449/0x710 [ 3056.082440][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.082440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.082440][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.082440][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.082440][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.082440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.082440][ T73] [ 3056.084141][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3056.084413][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.084413][ T73] dst_init+0x84/0x4a0 [ 3056.084413][ T73] dst_alloc+0x97/0x150 [ 3056.084413][ T73] ip6_dst_alloc+0x23/0x90 [ 3056.084413][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3056.084413][ T73] ip6_pol_route+0x56f/0x840 [ 3056.084413][ T73] fib6_rule_lookup+0x456/0x630 [ 3056.084413][ T73] ip6_route_input+0x59c/0xa50 [ 3056.084413][ T73] ipv6_rcv+0x397/0x810 [ 3056.084413][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3056.084413][ T73] process_backlog+0x101/0x620 [ 3056.084413][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3056.084413][ T73] net_rx_action+0x495/0xbe0 [ 3056.084413][ T73] __do_softirq+0x1b5/0x7f6 [ 3056.084413][ T73] [ 3056.086064][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.086064][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.086064][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.086064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.086064][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3056.086064][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3056.086064][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3056.086064][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3056.086064][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3056.086064][ T73] addrconf_dad_begin+0x310/0x670 [ 3056.086064][ T73] addrconf_dad_work+0x10b/0xab0 [ 3056.086064][ T73] process_one_work+0x84d/0x18a0 [ 3056.086064][ T73] worker_thread+0x587/0xd30 [ 3056.086064][ T73] kthread+0x28a/0x350 [ 3056.086064][ T73] ret_from_fork+0x31/0x70 [ 3056.086064][ T73] ret_from_fork_asm+0x1a/0x30 [ 3056.086064][ T73] [ 3056.087983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.087983][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.087983][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.087983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.087983][ T73] ip6_route_add+0x1c/0x140 [ 3056.087983][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3056.087983][ T73] inet6_addr_add+0x4f8/0xa40 [ 3056.087983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.087983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.087983][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.087983][ T73] netlink_unicast+0x449/0x710 [ 3056.087983][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.087983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.087983][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.087983][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.087983][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.087983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.087983][ T73] [ 3056.089987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.089987][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.089987][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.089987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.089987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3056.089987][ T73] ipv6_add_addr+0x411/0x2000 [ 3056.089987][ T73] inet6_addr_add+0x30e/0xa40 [ 3056.089987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.089987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.089987][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.089987][ T73] netlink_unicast+0x449/0x710 [ 3056.089987][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.089987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.089987][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.089987][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.089987][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.089987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.089987][ T73] [ 3056.091993][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.091993][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.091993][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.091993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.091993][ T73] ip6_route_add+0x1c/0x140 [ 3056.091993][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3056.091993][ T73] addrconf_add_dev+0xe2/0x170 [ 3056.091993][ T73] inet6_addr_add+0x12f/0xa40 [ 3056.091993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.091993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.091993][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.091993][ T73] netlink_unicast+0x449/0x710 [ 3056.091993][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.091993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.091993][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.091993][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.091993][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.091993][ T73] [ 3056.093961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.093961][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3056.093961][ T73] ipv6_find_idev+0x102/0x170 [ 3056.093961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.093961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.093961][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.093961][ T73] netlink_unicast+0x449/0x710 [ 3056.093961][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.093961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.093961][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.093961][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.093961][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.093961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.093961][ T73] [ 3056.095500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3056.095500][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3056.095500][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3056.095500][ T73] ipv6_find_idev+0x102/0x170 [ 3056.095500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.095500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.095500][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.095500][ T73] netlink_unicast+0x449/0x710 [ 3056.095500][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.095500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.095500][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.095500][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.095500][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.095500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.095500][ T73] [ 3056.097336][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3056.097614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.097614][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3056.097614][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3056.097614][ T73] fib6_nh_init+0xa22/0x1580 [ 3056.097614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.097614][ T73] ip6_route_add+0x1c/0x140 [ 3056.097614][ T73] inet6_rtm_newroute+0x104/0x110 [ 3056.097614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.097614][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.097614][ T73] netlink_unicast+0x449/0x710 [ 3056.097614][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.097614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.097614][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.097614][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.097614][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.097614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.097614][ T73] [ 3056.099803][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.099803][ T73] dst_init+0x84/0x4a0 [ 3056.099803][ T73] dst_alloc+0x97/0x150 [ 3056.099803][ T73] ip6_dst_alloc+0x23/0x90 [ 3056.099803][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3056.099803][ T73] ip6_pol_route+0x56f/0x840 [ 3056.099803][ T73] fib6_rule_lookup+0x456/0x630 [ 3056.099803][ T73] ip6_route_input+0x59c/0xa50 [ 3056.099803][ T73] ipv6_rcv+0x397/0x810 [ 3056.099803][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3056.099803][ T73] process_backlog+0x101/0x620 [ 3056.099803][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3056.099803][ T73] net_rx_action+0x495/0xbe0 [ 3056.099803][ T73] __do_softirq+0x1b5/0x7f6 [ 3056.099803][ T73] [ 3056.101619][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.101619][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.101619][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.101619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.101619][ T73] ip6_route_add+0x1c/0x140 [ 3056.101619][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3056.101619][ T73] inet6_addr_add+0x4f8/0xa40 [ 3056.101619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.101619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.101619][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.101619][ T73] netlink_unicast+0x449/0x710 [ 3056.101619][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.101619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.101619][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.101619][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.101619][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.101619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.101619][ T73] [ 3056.103854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.103854][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.103854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.103854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.103854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3056.103854][ T73] ipv6_add_addr+0x411/0x2000 [ 3056.103854][ T73] inet6_addr_add+0x30e/0xa40 [ 3056.103854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.103854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.103854][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.103854][ T73] netlink_unicast+0x449/0x710 [ 3056.103854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.103854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.103854][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.103854][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.103854][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.103854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.103854][ T73] [ 3056.106096][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.106096][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.106096][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.106096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.106096][ T73] ip6_route_add+0x1c/0x140 [ 3056.106096][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3056.106096][ T73] addrconf_add_dev+0xe2/0x170 [ 3056.106096][ T73] inet6_addr_add+0x12f/0xa40 [ 3056.106096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.106096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.106096][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.106096][ T73] netlink_unicast+0x449/0x710 [ 3056.106096][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.106096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.106096][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.106096][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.106096][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.106096][ T73] [ 3056.108297][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.108297][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3056.108297][ T73] ipv6_find_idev+0x102/0x170 [ 3056.108297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.108297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.108297][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.108297][ T73] netlink_unicast+0x449/0x710 [ 3056.108297][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.108297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.108297][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.108297][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.108297][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.108297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.108297][ T73] [ 3056.110015][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3056.110015][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3056.110015][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3056.110015][ T73] ipv6_find_idev+0x102/0x170 [ 3056.110015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.110015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.110015][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.110015][ T73] netlink_unicast+0x449/0x710 [ 3056.110015][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.110015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.110015][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.110015][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.110015][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.110015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.110015][ T73] [ 3056.111935][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3056.112207][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3056.112207][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.112207][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.112207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.112207][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3056.112207][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3056.112207][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3056.112207][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3056.112207][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3056.112207][ T73] addrconf_dad_begin+0x310/0x670 [ 3056.112207][ T73] addrconf_dad_work+0x10b/0xab0 [ 3056.112207][ T73] process_one_work+0x84d/0x18a0 [ 3056.112207][ T73] worker_thread+0x587/0xd30 [ 3056.112207][ T73] kthread+0x28a/0x350 [ 3056.112207][ T73] ret_from_fork+0x31/0x70 [ 3056.112207][ T73] ret_from_fork_asm+0x1a/0x30 [ 3056.112207][ T73] [ 3056.114357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3056.114357][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.114357][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.114357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.114357][ T73] ip6_route_add+0x1c/0x140 [ 3056.114357][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3056.114357][ T73] inet6_addr_add+0x4f8/0xa40 [ 3056.114357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.114357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.114357][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.114357][ T73] netlink_unicast+0x449/0x710 [ 3056.114357][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.114357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.114357][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.114357][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.114357][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.114357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.114357][ T73] [ 3056.116542][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3056.116542][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.116542][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.116542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.116542][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3056.116542][ T73] ipv6_add_addr+0x411/0x2000 [ 3056.116542][ T73] inet6_addr_add+0x30e/0xa40 [ 3056.116542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.116542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.116542][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.116542][ T73] netlink_unicast+0x449/0x710 [ 3056.116542][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.116542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.116542][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.116542][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.116542][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.116542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.116542][ T73] [ 3056.118842][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3056.118842][ T73] netdev_get_by_index+0x5e/0x80 [ 3056.118842][ T73] fib6_nh_init+0x3d8/0x1580 [ 3056.118842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3056.118842][ T73] ip6_route_add+0x1c/0x140 [ 3056.118842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3056.118842][ T73] addrconf_add_dev+0xe2/0x170 [ 3056.118842][ T73] inet6_addr_add+0x12f/0xa40 [ 3056.118842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3056.118842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.118842][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.118842][ T73] netlink_unicast+0x449/0x710 [ 3056.118842][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.118842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.118842][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.118842][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.118842][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.118842][ T73] [ 3056.121047][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3056.121047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3056.121047][ T73] ipv6_find_idev+0x102/0x170 [ 3056.121047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.121047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.121047][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.121047][ T73] netlink_unicast+0x449/0x710 [ 3056.121047][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.121047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.121047][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.121047][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.121047][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.121047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.121047][ T73] [ 3056.122767][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3056.122767][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3056.122767][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3056.122767][ T73] ipv6_find_idev+0x102/0x170 [ 3056.122767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3056.122767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3056.122767][ T73] netlink_rcv_skb+0x130/0x360 [ 3056.122767][ T73] netlink_unicast+0x449/0x710 [ 3056.122767][ T73] netlink_sendmsg+0x723/0xbe0 [ 3056.122767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3056.122767][ T73] ___sys_sendmsg+0xee/0x170 [ 3056.122767][ T73] __sys_sendmsg+0xcd/0x170 [ 3056.122767][ T73] do_syscall_64+0xc6/0x1e0 [ 3056.122767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3056.122767][ T73] [ 3066.366887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3066.367350][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.367350][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3066.367350][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3066.367350][ T73] fib6_nh_init+0xa22/0x1580 [ 3066.367350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.367350][ T73] ip6_route_add+0x1c/0x140 [ 3066.367350][ T73] inet6_rtm_newroute+0x104/0x110 [ 3066.367350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.367350][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.367350][ T73] netlink_unicast+0x449/0x710 [ 3066.367350][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.367350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.367350][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.367350][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.367350][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.367350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.367350][ T73] [ 3066.369252][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.369252][ T73] dst_init+0x84/0x4a0 [ 3066.369252][ T73] dst_alloc+0x97/0x150 [ 3066.369252][ T73] ip6_dst_alloc+0x23/0x90 [ 3066.369252][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3066.369252][ T73] ip6_pol_route+0x56f/0x840 [ 3066.369252][ T73] fib6_rule_lookup+0x456/0x630 [ 3066.369252][ T73] ip6_route_input+0x59c/0xa50 [ 3066.369252][ T73] ipv6_rcv+0x397/0x810 [ 3066.369252][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3066.369252][ T73] process_backlog+0x101/0x620 [ 3066.369252][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3066.369252][ T73] net_rx_action+0x495/0xbe0 [ 3066.369252][ T73] __do_softirq+0x1b5/0x7f6 [ 3066.369252][ T73] [ 3066.370901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.370901][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.370901][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.370901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.370901][ T73] ip6_route_add+0x1c/0x140 [ 3066.370901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3066.370901][ T73] inet6_addr_add+0x4f8/0xa40 [ 3066.370901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.370901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.370901][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.370901][ T73] netlink_unicast+0x449/0x710 [ 3066.370901][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.370901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.370901][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.370901][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.370901][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.370901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.370901][ T73] [ 3066.372917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.372917][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.372917][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.372917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.372917][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3066.372917][ T73] ipv6_add_addr+0x411/0x2000 [ 3066.372917][ T73] inet6_addr_add+0x30e/0xa40 [ 3066.372917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.372917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.372917][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.372917][ T73] netlink_unicast+0x449/0x710 [ 3066.372917][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.372917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.372917][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.372917][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.372917][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.372917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.372917][ T73] [ 3066.374937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.374937][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.374937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.374937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.374937][ T73] ip6_route_add+0x1c/0x140 [ 3066.374937][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3066.374937][ T73] addrconf_add_dev+0xe2/0x170 [ 3066.374937][ T73] inet6_addr_add+0x12f/0xa40 [ 3066.374937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.374937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.374937][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.374937][ T73] netlink_unicast+0x449/0x710 [ 3066.374937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.374937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.374937][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.374937][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.374937][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.374937][ T73] [ 3066.376926][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.376926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3066.376926][ T73] ipv6_find_idev+0x102/0x170 [ 3066.376926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.376926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.376926][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.376926][ T73] netlink_unicast+0x449/0x710 [ 3066.376926][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.376926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.376926][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.376926][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.376926][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.376926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.376926][ T73] [ 3066.378468][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3066.378468][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3066.378468][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3066.378468][ T73] ipv6_find_idev+0x102/0x170 [ 3066.378468][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.378468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.378468][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.378468][ T73] netlink_unicast+0x449/0x710 [ 3066.378468][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.378468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.378468][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.378468][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.378468][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.378468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.378468][ T73] [ 3066.380170][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3066.380444][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.380444][ T73] dst_init+0x84/0x4a0 [ 3066.380444][ T73] dst_alloc+0x97/0x150 [ 3066.380444][ T73] ip6_dst_alloc+0x23/0x90 [ 3066.380444][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3066.380444][ T73] ip6_pol_route+0x56f/0x840 [ 3066.380444][ T73] fib6_rule_lookup+0x456/0x630 [ 3066.380444][ T73] ip6_route_input+0x59c/0xa50 [ 3066.380444][ T73] ipv6_rcv+0x397/0x810 [ 3066.380444][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3066.380444][ T73] process_backlog+0x101/0x620 [ 3066.380444][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3066.380444][ T73] net_rx_action+0x495/0xbe0 [ 3066.380444][ T73] __do_softirq+0x1b5/0x7f6 [ 3066.380444][ T73] [ 3066.382097][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.382097][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.382097][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.382097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.382097][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3066.382097][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3066.382097][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3066.382097][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3066.382097][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3066.382097][ T73] addrconf_dad_begin+0x310/0x670 [ 3066.382097][ T73] addrconf_dad_work+0x10b/0xab0 [ 3066.382097][ T73] process_one_work+0x84d/0x18a0 [ 3066.382097][ T73] worker_thread+0x587/0xd30 [ 3066.382097][ T73] kthread+0x28a/0x350 [ 3066.382097][ T73] ret_from_fork+0x31/0x70 [ 3066.382097][ T73] ret_from_fork_asm+0x1a/0x30 [ 3066.382097][ T73] [ 3066.384006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.384006][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.384006][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.384006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.384006][ T73] ip6_route_add+0x1c/0x140 [ 3066.384006][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3066.384006][ T73] inet6_addr_add+0x4f8/0xa40 [ 3066.384006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.384006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.384006][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.384006][ T73] netlink_unicast+0x449/0x710 [ 3066.384006][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.384006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.384006][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.384006][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.384006][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.384006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.384006][ T73] [ 3066.386008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.386008][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.386008][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.386008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.386008][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3066.386008][ T73] ipv6_add_addr+0x411/0x2000 [ 3066.386008][ T73] inet6_addr_add+0x30e/0xa40 [ 3066.386008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.386008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.386008][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.386008][ T73] netlink_unicast+0x449/0x710 [ 3066.386008][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.386008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.386008][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.386008][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.386008][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.386008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.386008][ T73] [ 3066.388022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.388022][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.388022][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.388022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.388022][ T73] ip6_route_add+0x1c/0x140 [ 3066.388022][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3066.388022][ T73] addrconf_add_dev+0xe2/0x170 [ 3066.388022][ T73] inet6_addr_add+0x12f/0xa40 [ 3066.388022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.388022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.388022][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.388022][ T73] netlink_unicast+0x449/0x710 [ 3066.388022][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.388022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.388022][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.388022][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.388022][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.388022][ T73] [ 3066.389993][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.389993][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3066.389993][ T73] ipv6_find_idev+0x102/0x170 [ 3066.389993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.389993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.389993][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.389993][ T73] netlink_unicast+0x449/0x710 [ 3066.389993][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.389993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.389993][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.389993][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.389993][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.389993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.389993][ T73] [ 3066.391541][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3066.391541][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3066.391541][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3066.391541][ T73] ipv6_find_idev+0x102/0x170 [ 3066.391541][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.391541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.391541][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.391541][ T73] netlink_unicast+0x449/0x710 [ 3066.391541][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.391541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.391541][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.391541][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.391541][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.391541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.391541][ T73] [ 3066.393354][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3066.393623][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.393623][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3066.393623][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3066.393623][ T73] fib6_nh_init+0xa22/0x1580 [ 3066.393623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.393623][ T73] ip6_route_add+0x1c/0x140 [ 3066.393623][ T73] inet6_rtm_newroute+0x104/0x110 [ 3066.393623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.393623][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.393623][ T73] netlink_unicast+0x449/0x710 [ 3066.393623][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.393623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.393623][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.393623][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.393623][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.393623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.393623][ T73] [ 3066.395807][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.395807][ T73] dst_init+0x84/0x4a0 [ 3066.395807][ T73] dst_alloc+0x97/0x150 [ 3066.395807][ T73] ip6_dst_alloc+0x23/0x90 [ 3066.395807][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3066.395807][ T73] ip6_pol_route+0x56f/0x840 [ 3066.395807][ T73] fib6_rule_lookup+0x456/0x630 [ 3066.395807][ T73] ip6_route_input+0x59c/0xa50 [ 3066.395807][ T73] ipv6_rcv+0x397/0x810 [ 3066.395807][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3066.395807][ T73] process_backlog+0x101/0x620 [ 3066.395807][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3066.395807][ T73] net_rx_action+0x495/0xbe0 [ 3066.395807][ T73] __do_softirq+0x1b5/0x7f6 [ 3066.395807][ T73] [ 3066.397630][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.397630][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.397630][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.397630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.397630][ T73] ip6_route_add+0x1c/0x140 [ 3066.397630][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3066.397630][ T73] inet6_addr_add+0x4f8/0xa40 [ 3066.397630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.397630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.397630][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.397630][ T73] netlink_unicast+0x449/0x710 [ 3066.397630][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.397630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.397630][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.397630][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.397630][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.397630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.397630][ T73] [ 3066.399869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.399869][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.399869][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.399869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.399869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3066.399869][ T73] ipv6_add_addr+0x411/0x2000 [ 3066.399869][ T73] inet6_addr_add+0x30e/0xa40 [ 3066.399869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.399869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.399869][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.399869][ T73] netlink_unicast+0x449/0x710 [ 3066.399869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.399869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.399869][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.399869][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.399869][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.399869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.399869][ T73] [ 3066.402126][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.402126][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.402126][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.402126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.402126][ T73] ip6_route_add+0x1c/0x140 [ 3066.402126][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3066.402126][ T73] addrconf_add_dev+0xe2/0x170 [ 3066.402126][ T73] inet6_addr_add+0x12f/0xa40 [ 3066.402126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.402126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.402126][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.402126][ T73] netlink_unicast+0x449/0x710 [ 3066.402126][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.402126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.402126][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.402126][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.402126][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.402126][ T73] [ 3066.404337][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.404337][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3066.404337][ T73] ipv6_find_idev+0x102/0x170 [ 3066.404337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.404337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.404337][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.404337][ T73] netlink_unicast+0x449/0x710 [ 3066.404337][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.404337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.404337][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.404337][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.404337][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.404337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.404337][ T73] [ 3066.406059][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3066.406059][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3066.406059][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3066.406059][ T73] ipv6_find_idev+0x102/0x170 [ 3066.406059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.406059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.406059][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.406059][ T73] netlink_unicast+0x449/0x710 [ 3066.406059][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.406059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.406059][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.406059][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.406059][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.406059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.406059][ T73] [ 3066.407984][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3066.408257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3066.408257][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.408257][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.408257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.408257][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3066.408257][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3066.408257][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3066.408257][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3066.408257][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3066.408257][ T73] addrconf_dad_begin+0x310/0x670 [ 3066.408257][ T73] addrconf_dad_work+0x10b/0xab0 [ 3066.408257][ T73] process_one_work+0x84d/0x18a0 [ 3066.408257][ T73] worker_thread+0x587/0xd30 [ 3066.408257][ T73] kthread+0x28a/0x350 [ 3066.408257][ T73] ret_from_fork+0x31/0x70 [ 3066.408257][ T73] ret_from_fork_asm+0x1a/0x30 [ 3066.408257][ T73] [ 3066.410420][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3066.410420][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.410420][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.410420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.410420][ T73] ip6_route_add+0x1c/0x140 [ 3066.410420][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3066.410420][ T73] inet6_addr_add+0x4f8/0xa40 [ 3066.410420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.410420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.410420][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.410420][ T73] netlink_unicast+0x449/0x710 [ 3066.410420][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.410420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.410420][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.410420][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.410420][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.410420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.410420][ T73] [ 3066.412602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3066.412602][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.412602][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.412602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.412602][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3066.412602][ T73] ipv6_add_addr+0x411/0x2000 [ 3066.412602][ T73] inet6_addr_add+0x30e/0xa40 [ 3066.412602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.412602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.412602][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.412602][ T73] netlink_unicast+0x449/0x710 [ 3066.412602][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.412602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.412602][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.412602][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.412602][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.412602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.412602][ T73] [ 3066.414909][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3066.414909][ T73] netdev_get_by_index+0x5e/0x80 [ 3066.414909][ T73] fib6_nh_init+0x3d8/0x1580 [ 3066.414909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3066.414909][ T73] ip6_route_add+0x1c/0x140 [ 3066.414909][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3066.414909][ T73] addrconf_add_dev+0xe2/0x170 [ 3066.414909][ T73] inet6_addr_add+0x12f/0xa40 [ 3066.414909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.414909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.414909][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.414909][ T73] netlink_unicast+0x449/0x710 [ 3066.414909][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.414909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.414909][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.414909][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.414909][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.414909][ T73] [ 3066.417123][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3066.417123][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3066.417123][ T73] ipv6_find_idev+0x102/0x170 [ 3066.417123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.417123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.417123][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.417123][ T73] netlink_unicast+0x449/0x710 [ 3066.417123][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.417123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.417123][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.417123][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.417123][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.417123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.417123][ T73] [ 3066.418857][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3066.418857][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3066.418857][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3066.418857][ T73] ipv6_find_idev+0x102/0x170 [ 3066.418857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.418857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.418857][ T73] netlink_rcv_skb+0x130/0x360 [ 3066.418857][ T73] netlink_unicast+0x449/0x710 [ 3066.418857][ T73] netlink_sendmsg+0x723/0xbe0 [ 3066.418857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3066.418857][ T73] ___sys_sendmsg+0xee/0x170 [ 3066.418857][ T73] __sys_sendmsg+0xcd/0x170 [ 3066.418857][ T73] do_syscall_64+0xc6/0x1e0 [ 3066.418857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.418857][ T73] [ 3076.502886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3076.503392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.503392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3076.503392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3076.503392][ T73] fib6_nh_init+0xa22/0x1580 [ 3076.503392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.503392][ T73] ip6_route_add+0x1c/0x140 [ 3076.503392][ T73] inet6_rtm_newroute+0x104/0x110 [ 3076.503392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.503392][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.503392][ T73] netlink_unicast+0x449/0x710 [ 3076.503392][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.503392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.503392][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.503392][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.503392][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.503392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.503392][ T73] [ 3076.505288][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.505288][ T73] dst_init+0x84/0x4a0 [ 3076.505288][ T73] dst_alloc+0x97/0x150 [ 3076.505288][ T73] ip6_dst_alloc+0x23/0x90 [ 3076.505288][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3076.505288][ T73] ip6_pol_route+0x56f/0x840 [ 3076.505288][ T73] fib6_rule_lookup+0x456/0x630 [ 3076.505288][ T73] ip6_route_input+0x59c/0xa50 [ 3076.505288][ T73] ipv6_rcv+0x397/0x810 [ 3076.505288][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3076.505288][ T73] process_backlog+0x101/0x620 [ 3076.505288][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3076.505288][ T73] net_rx_action+0x495/0xbe0 [ 3076.505288][ T73] __do_softirq+0x1b5/0x7f6 [ 3076.505288][ T73] [ 3076.506940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.506940][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.506940][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.506940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.506940][ T73] ip6_route_add+0x1c/0x140 [ 3076.506940][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3076.506940][ T73] inet6_addr_add+0x4f8/0xa40 [ 3076.506940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.506940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.506940][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.506940][ T73] netlink_unicast+0x449/0x710 [ 3076.506940][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.506940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.506940][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.506940][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.506940][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.506940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.506940][ T73] [ 3076.508944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.508944][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.508944][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.508944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.508944][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3076.508944][ T73] ipv6_add_addr+0x411/0x2000 [ 3076.508944][ T73] inet6_addr_add+0x30e/0xa40 [ 3076.508944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.508944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.508944][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.508944][ T73] netlink_unicast+0x449/0x710 [ 3076.508944][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.508944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.508944][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.508944][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.508944][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.508944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.508944][ T73] [ 3076.510951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.510951][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.510951][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.510951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.510951][ T73] ip6_route_add+0x1c/0x140 [ 3076.510951][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3076.510951][ T73] addrconf_add_dev+0xe2/0x170 [ 3076.510951][ T73] inet6_addr_add+0x12f/0xa40 [ 3076.510951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.510951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.510951][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.510951][ T73] netlink_unicast+0x449/0x710 [ 3076.510951][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.510951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.510951][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.510951][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.510951][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.510951][ T73] [ 3076.512928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.512928][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3076.512928][ T73] ipv6_find_idev+0x102/0x170 [ 3076.512928][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.512928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.512928][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.512928][ T73] netlink_unicast+0x449/0x710 [ 3076.512928][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.512928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.512928][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.512928][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.512928][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.512928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.512928][ T73] [ 3076.514469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3076.514469][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3076.514469][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3076.514469][ T73] ipv6_find_idev+0x102/0x170 [ 3076.514469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.514469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.514469][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.514469][ T73] netlink_unicast+0x449/0x710 [ 3076.514469][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.514469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.514469][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.514469][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.514469][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.514469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.514469][ T73] [ 3076.516173][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3076.516454][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.516454][ T73] dst_init+0x84/0x4a0 [ 3076.516454][ T73] dst_alloc+0x97/0x150 [ 3076.516454][ T73] ip6_dst_alloc+0x23/0x90 [ 3076.516454][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3076.516454][ T73] ip6_pol_route+0x56f/0x840 [ 3076.516454][ T73] fib6_rule_lookup+0x456/0x630 [ 3076.516454][ T73] ip6_route_input+0x59c/0xa50 [ 3076.516454][ T73] ipv6_rcv+0x397/0x810 [ 3076.516454][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3076.516454][ T73] process_backlog+0x101/0x620 [ 3076.516454][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3076.516454][ T73] net_rx_action+0x495/0xbe0 [ 3076.516454][ T73] __do_softirq+0x1b5/0x7f6 [ 3076.516454][ T73] [ 3076.518098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.518098][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.518098][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.518098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.518098][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3076.518098][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3076.518098][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3076.518098][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3076.518098][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3076.518098][ T73] addrconf_dad_begin+0x310/0x670 [ 3076.518098][ T73] addrconf_dad_work+0x10b/0xab0 [ 3076.518098][ T73] process_one_work+0x84d/0x18a0 [ 3076.518098][ T73] worker_thread+0x587/0xd30 [ 3076.518098][ T73] kthread+0x28a/0x350 [ 3076.518098][ T73] ret_from_fork+0x31/0x70 [ 3076.518098][ T73] ret_from_fork_asm+0x1a/0x30 [ 3076.518098][ T73] [ 3076.520008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.520008][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.520008][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.520008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.520008][ T73] ip6_route_add+0x1c/0x140 [ 3076.520008][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3076.520008][ T73] inet6_addr_add+0x4f8/0xa40 [ 3076.520008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.520008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.520008][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.520008][ T73] netlink_unicast+0x449/0x710 [ 3076.520008][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.520008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.520008][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.520008][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.520008][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.520008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.520008][ T73] [ 3076.522015][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.522015][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.522015][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.522015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.522015][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3076.522015][ T73] ipv6_add_addr+0x411/0x2000 [ 3076.522015][ T73] inet6_addr_add+0x30e/0xa40 [ 3076.522015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.522015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.522015][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.522015][ T73] netlink_unicast+0x449/0x710 [ 3076.522015][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.522015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.522015][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.522015][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.522015][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.522015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.522015][ T73] [ 3076.524030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.524030][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.524030][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.524030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.524030][ T73] ip6_route_add+0x1c/0x140 [ 3076.524030][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3076.524030][ T73] addrconf_add_dev+0xe2/0x170 [ 3076.524030][ T73] inet6_addr_add+0x12f/0xa40 [ 3076.524030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.524030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.524030][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.524030][ T73] netlink_unicast+0x449/0x710 [ 3076.524030][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.524030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.524030][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.524030][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.524030][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.524030][ T73] [ 3076.525999][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.525999][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3076.525999][ T73] ipv6_find_idev+0x102/0x170 [ 3076.525999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.525999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.525999][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.525999][ T73] netlink_unicast+0x449/0x710 [ 3076.525999][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.525999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.525999][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.525999][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.525999][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.525999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.525999][ T73] [ 3076.527539][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3076.527539][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3076.527539][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3076.527539][ T73] ipv6_find_idev+0x102/0x170 [ 3076.527539][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.527539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.527539][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.527539][ T73] netlink_unicast+0x449/0x710 [ 3076.527539][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.527539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.527539][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.527539][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.527539][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.527539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.527539][ T73] [ 3076.529614][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3076.529898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.529898][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3076.529898][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3076.529898][ T73] fib6_nh_init+0xa22/0x1580 [ 3076.529898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.529898][ T73] ip6_route_add+0x1c/0x140 [ 3076.529898][ T73] inet6_rtm_newroute+0x104/0x110 [ 3076.529898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.529898][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.529898][ T73] netlink_unicast+0x449/0x710 [ 3076.529898][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.529898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.529898][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.529898][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.529898][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.529898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.529898][ T73] [ 3076.532086][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.532086][ T73] dst_init+0x84/0x4a0 [ 3076.532086][ T73] dst_alloc+0x97/0x150 [ 3076.532086][ T73] ip6_dst_alloc+0x23/0x90 [ 3076.532086][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3076.532086][ T73] ip6_pol_route+0x56f/0x840 [ 3076.532086][ T73] fib6_rule_lookup+0x456/0x630 [ 3076.532086][ T73] ip6_route_input+0x59c/0xa50 [ 3076.532086][ T73] ipv6_rcv+0x397/0x810 [ 3076.532086][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3076.532086][ T73] process_backlog+0x101/0x620 [ 3076.532086][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3076.532086][ T73] net_rx_action+0x495/0xbe0 [ 3076.532086][ T73] __do_softirq+0x1b5/0x7f6 [ 3076.532086][ T73] [ 3076.533904][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.533904][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.533904][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.533904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.533904][ T73] ip6_route_add+0x1c/0x140 [ 3076.533904][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3076.533904][ T73] inet6_addr_add+0x4f8/0xa40 [ 3076.533904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.533904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.533904][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.533904][ T73] netlink_unicast+0x449/0x710 [ 3076.533904][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.533904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.533904][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.533904][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.533904][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.533904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.533904][ T73] [ 3076.536147][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.536147][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.536147][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.536147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.536147][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3076.536147][ T73] ipv6_add_addr+0x411/0x2000 [ 3076.536147][ T73] inet6_addr_add+0x30e/0xa40 [ 3076.536147][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.536147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.536147][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.536147][ T73] netlink_unicast+0x449/0x710 [ 3076.536147][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.536147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.536147][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.536147][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.536147][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.536147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.536147][ T73] [ 3076.538381][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.538381][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.538381][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.538381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.538381][ T73] ip6_route_add+0x1c/0x140 [ 3076.538381][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3076.538381][ T73] addrconf_add_dev+0xe2/0x170 [ 3076.538381][ T73] inet6_addr_add+0x12f/0xa40 [ 3076.538381][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.538381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.538381][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.538381][ T73] netlink_unicast+0x449/0x710 [ 3076.538381][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.538381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.538381][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.538381][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.538381][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.538381][ T73] [ 3076.540584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.540584][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3076.540584][ T73] ipv6_find_idev+0x102/0x170 [ 3076.540584][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.540584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.540584][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.540584][ T73] netlink_unicast+0x449/0x710 [ 3076.540584][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.540584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.540584][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.540584][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.540584][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.540584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.540584][ T73] [ 3076.542304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3076.542304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3076.542304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3076.542304][ T73] ipv6_find_idev+0x102/0x170 [ 3076.542304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.542304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.542304][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.542304][ T73] netlink_unicast+0x449/0x710 [ 3076.542304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.542304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.542304][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.542304][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.542304][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.542304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.542304][ T73] [ 3076.544221][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3076.544489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3076.544489][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.544489][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.544489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.544489][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3076.544489][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3076.544489][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3076.544489][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3076.544489][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3076.544489][ T73] addrconf_dad_begin+0x310/0x670 [ 3076.544489][ T73] addrconf_dad_work+0x10b/0xab0 [ 3076.544489][ T73] process_one_work+0x84d/0x18a0 [ 3076.544489][ T73] worker_thread+0x587/0xd30 [ 3076.544489][ T73] kthread+0x28a/0x350 [ 3076.544489][ T73] ret_from_fork+0x31/0x70 [ 3076.544489][ T73] ret_from_fork_asm+0x1a/0x30 [ 3076.544489][ T73] [ 3076.546650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3076.546650][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.546650][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.546650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.546650][ T73] ip6_route_add+0x1c/0x140 [ 3076.546650][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3076.546650][ T73] inet6_addr_add+0x4f8/0xa40 [ 3076.546650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.546650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.546650][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.546650][ T73] netlink_unicast+0x449/0x710 [ 3076.546650][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.546650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.546650][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.546650][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.546650][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.546650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.546650][ T73] [ 3076.548828][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3076.548828][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.548828][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.548828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.548828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3076.548828][ T73] ipv6_add_addr+0x411/0x2000 [ 3076.548828][ T73] inet6_addr_add+0x30e/0xa40 [ 3076.548828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.548828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.548828][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.548828][ T73] netlink_unicast+0x449/0x710 [ 3076.548828][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.548828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.548828][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.548828][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.548828][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.548828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.548828][ T73] [ 3076.551503][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3076.551503][ T73] netdev_get_by_index+0x5e/0x80 [ 3076.551503][ T73] fib6_nh_init+0x3d8/0x1580 [ 3076.551503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3076.551503][ T73] ip6_route_add+0x1c/0x140 [ 3076.551503][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3076.551503][ T73] addrconf_add_dev+0xe2/0x170 [ 3076.551503][ T73] inet6_addr_add+0x12f/0xa40 [ 3076.551503][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.551503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.551503][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.551503][ T73] netlink_unicast+0x449/0x710 [ 3076.551503][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.551503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.551503][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.551503][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.551503][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.551503][ T73] [ 3076.553712][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3076.553712][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3076.553712][ T73] ipv6_find_idev+0x102/0x170 [ 3076.553712][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.553712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.553712][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.553712][ T73] netlink_unicast+0x449/0x710 [ 3076.553712][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.553712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.553712][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.553712][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.553712][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.553712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.553712][ T73] [ 3076.555431][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3076.555431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3076.555431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3076.555431][ T73] ipv6_find_idev+0x102/0x170 [ 3076.555431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.555431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.555431][ T73] netlink_rcv_skb+0x130/0x360 [ 3076.555431][ T73] netlink_unicast+0x449/0x710 [ 3076.555431][ T73] netlink_sendmsg+0x723/0xbe0 [ 3076.555431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3076.555431][ T73] ___sys_sendmsg+0xee/0x170 [ 3076.555431][ T73] __sys_sendmsg+0xcd/0x170 [ 3076.555431][ T73] do_syscall_64+0xc6/0x1e0 [ 3076.555431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.555431][ T73] [ 3086.678912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3086.679379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.679379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3086.679379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3086.679379][ T73] fib6_nh_init+0xa22/0x1580 [ 3086.679379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.679379][ T73] ip6_route_add+0x1c/0x140 [ 3086.679379][ T73] inet6_rtm_newroute+0x104/0x110 [ 3086.679379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.679379][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.679379][ T73] netlink_unicast+0x449/0x710 [ 3086.679379][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.679379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.679379][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.679379][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.679379][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.679379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.679379][ T73] [ 3086.681282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.681282][ T73] dst_init+0x84/0x4a0 [ 3086.681282][ T73] dst_alloc+0x97/0x150 [ 3086.681282][ T73] ip6_dst_alloc+0x23/0x90 [ 3086.681282][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3086.681282][ T73] ip6_pol_route+0x56f/0x840 [ 3086.681282][ T73] fib6_rule_lookup+0x456/0x630 [ 3086.681282][ T73] ip6_route_input+0x59c/0xa50 [ 3086.681282][ T73] ipv6_rcv+0x397/0x810 [ 3086.681282][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3086.681282][ T73] process_backlog+0x101/0x620 [ 3086.681282][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3086.681282][ T73] net_rx_action+0x495/0xbe0 [ 3086.681282][ T73] __do_softirq+0x1b5/0x7f6 [ 3086.681282][ T73] [ 3086.682925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.682925][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.682925][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.682925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.682925][ T73] ip6_route_add+0x1c/0x140 [ 3086.682925][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3086.682925][ T73] inet6_addr_add+0x4f8/0xa40 [ 3086.682925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.682925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.682925][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.682925][ T73] netlink_unicast+0x449/0x710 [ 3086.682925][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.682925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.682925][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.682925][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.682925][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.682925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.682925][ T73] [ 3086.684935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.684935][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.684935][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.684935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.684935][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3086.684935][ T73] ipv6_add_addr+0x411/0x2000 [ 3086.684935][ T73] inet6_addr_add+0x30e/0xa40 [ 3086.684935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.684935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.684935][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.684935][ T73] netlink_unicast+0x449/0x710 [ 3086.684935][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.684935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.684935][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.684935][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.684935][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.684935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.684935][ T73] [ 3086.686954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.686954][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.686954][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.686954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.686954][ T73] ip6_route_add+0x1c/0x140 [ 3086.686954][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3086.686954][ T73] addrconf_add_dev+0xe2/0x170 [ 3086.686954][ T73] inet6_addr_add+0x12f/0xa40 [ 3086.686954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.686954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.686954][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.686954][ T73] netlink_unicast+0x449/0x710 [ 3086.686954][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.686954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.686954][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.686954][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.686954][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.686954][ T73] [ 3086.688926][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.688926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3086.688926][ T73] ipv6_find_idev+0x102/0x170 [ 3086.688926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.688926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.688926][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.688926][ T73] netlink_unicast+0x449/0x710 [ 3086.688926][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.688926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.688926][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.688926][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.688926][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.688926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.688926][ T73] [ 3086.690469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3086.690469][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3086.690469][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3086.690469][ T73] ipv6_find_idev+0x102/0x170 [ 3086.690469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.690469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.690469][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.690469][ T73] netlink_unicast+0x449/0x710 [ 3086.690469][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.690469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.690469][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.690469][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.690469][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.690469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.690469][ T73] [ 3086.692172][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3086.692442][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.692442][ T73] dst_init+0x84/0x4a0 [ 3086.692442][ T73] dst_alloc+0x97/0x150 [ 3086.692442][ T73] ip6_dst_alloc+0x23/0x90 [ 3086.692442][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3086.692442][ T73] ip6_pol_route+0x56f/0x840 [ 3086.692442][ T73] fib6_rule_lookup+0x456/0x630 [ 3086.692442][ T73] ip6_route_input+0x59c/0xa50 [ 3086.692442][ T73] ipv6_rcv+0x397/0x810 [ 3086.692442][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3086.692442][ T73] process_backlog+0x101/0x620 [ 3086.692442][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3086.692442][ T73] net_rx_action+0x495/0xbe0 [ 3086.692442][ T73] __do_softirq+0x1b5/0x7f6 [ 3086.692442][ T73] [ 3086.694084][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.694084][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.694084][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.694084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.694084][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3086.694084][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3086.694084][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3086.694084][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3086.694084][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3086.694084][ T73] addrconf_dad_begin+0x310/0x670 [ 3086.694084][ T73] addrconf_dad_work+0x10b/0xab0 [ 3086.694084][ T73] process_one_work+0x84d/0x18a0 [ 3086.694084][ T73] worker_thread+0x587/0xd30 [ 3086.694084][ T73] kthread+0x28a/0x350 [ 3086.694084][ T73] ret_from_fork+0x31/0x70 [ 3086.694084][ T73] ret_from_fork_asm+0x1a/0x30 [ 3086.694084][ T73] [ 3086.696111][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.696111][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.696111][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.696111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.696111][ T73] ip6_route_add+0x1c/0x140 [ 3086.696111][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3086.696111][ T73] inet6_addr_add+0x4f8/0xa40 [ 3086.696111][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.696111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.696111][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.696111][ T73] netlink_unicast+0x449/0x710 [ 3086.696111][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.696111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.696111][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.696111][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.696111][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.696111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.696111][ T73] [ 3086.698131][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.698131][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.698131][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.698131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.698131][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3086.698131][ T73] ipv6_add_addr+0x411/0x2000 [ 3086.698131][ T73] inet6_addr_add+0x30e/0xa40 [ 3086.698131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.698131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.698131][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.698131][ T73] netlink_unicast+0x449/0x710 [ 3086.698131][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.698131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.698131][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.698131][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.698131][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.698131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.698131][ T73] [ 3086.700151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.700151][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.700151][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.700151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.700151][ T73] ip6_route_add+0x1c/0x140 [ 3086.700151][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3086.700151][ T73] addrconf_add_dev+0xe2/0x170 [ 3086.700151][ T73] inet6_addr_add+0x12f/0xa40 [ 3086.700151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.700151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.700151][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.700151][ T73] netlink_unicast+0x449/0x710 [ 3086.700151][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.700151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.700151][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.700151][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.700151][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.700151][ T73] [ 3086.702121][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.702121][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3086.702121][ T73] ipv6_find_idev+0x102/0x170 [ 3086.702121][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.702121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.702121][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.702121][ T73] netlink_unicast+0x449/0x710 [ 3086.702121][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.702121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.702121][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.702121][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.702121][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.702121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.702121][ T73] [ 3086.703675][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3086.703675][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3086.703675][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3086.703675][ T73] ipv6_find_idev+0x102/0x170 [ 3086.703675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.703675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.703675][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.703675][ T73] netlink_unicast+0x449/0x710 [ 3086.703675][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.703675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.703675][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.703675][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.703675][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.703675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.703675][ T73] [ 3086.705503][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3086.705772][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.705772][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3086.705772][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3086.705772][ T73] fib6_nh_init+0xa22/0x1580 [ 3086.705772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.705772][ T73] ip6_route_add+0x1c/0x140 [ 3086.705772][ T73] inet6_rtm_newroute+0x104/0x110 [ 3086.705772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.705772][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.705772][ T73] netlink_unicast+0x449/0x710 [ 3086.705772][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.705772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.705772][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.705772][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.705772][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.705772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.705772][ T73] [ 3086.707966][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.707966][ T73] dst_init+0x84/0x4a0 [ 3086.707966][ T73] dst_alloc+0x97/0x150 [ 3086.707966][ T73] ip6_dst_alloc+0x23/0x90 [ 3086.707966][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3086.707966][ T73] ip6_pol_route+0x56f/0x840 [ 3086.707966][ T73] fib6_rule_lookup+0x456/0x630 [ 3086.707966][ T73] ip6_route_input+0x59c/0xa50 [ 3086.707966][ T73] ipv6_rcv+0x397/0x810 [ 3086.707966][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3086.707966][ T73] process_backlog+0x101/0x620 [ 3086.707966][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3086.707966][ T73] net_rx_action+0x495/0xbe0 [ 3086.707966][ T73] __do_softirq+0x1b5/0x7f6 [ 3086.707966][ T73] [ 3086.709787][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.709787][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.709787][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.709787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.709787][ T73] ip6_route_add+0x1c/0x140 [ 3086.709787][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3086.709787][ T73] inet6_addr_add+0x4f8/0xa40 [ 3086.709787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.709787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.709787][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.709787][ T73] netlink_unicast+0x449/0x710 [ 3086.709787][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.709787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.709787][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.709787][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.709787][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.709787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.709787][ T73] [ 3086.712038][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.712038][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.712038][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.712038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.712038][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3086.712038][ T73] ipv6_add_addr+0x411/0x2000 [ 3086.712038][ T73] inet6_addr_add+0x30e/0xa40 [ 3086.712038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.712038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.712038][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.712038][ T73] netlink_unicast+0x449/0x710 [ 3086.712038][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.712038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.712038][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.712038][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.712038][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.712038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.712038][ T73] [ 3086.714286][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.714286][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.714286][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.714286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.714286][ T73] ip6_route_add+0x1c/0x140 [ 3086.714286][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3086.714286][ T73] addrconf_add_dev+0xe2/0x170 [ 3086.714286][ T73] inet6_addr_add+0x12f/0xa40 [ 3086.714286][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.714286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.714286][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.714286][ T73] netlink_unicast+0x449/0x710 [ 3086.714286][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.714286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.714286][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.714286][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.714286][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.714286][ T73] [ 3086.716497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.716497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3086.716497][ T73] ipv6_find_idev+0x102/0x170 [ 3086.716497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.716497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.716497][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.716497][ T73] netlink_unicast+0x449/0x710 [ 3086.716497][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.716497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.716497][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.716497][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.716497][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.716497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.716497][ T73] [ 3086.718229][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3086.718229][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3086.718229][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3086.718229][ T73] ipv6_find_idev+0x102/0x170 [ 3086.718229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.718229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.718229][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.718229][ T73] netlink_unicast+0x449/0x710 [ 3086.718229][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.718229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.718229][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.718229][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.718229][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.718229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.718229][ T73] [ 3086.720156][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3086.720429][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3086.720429][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.720429][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.720429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.720429][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3086.720429][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3086.720429][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3086.720429][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3086.720429][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3086.720429][ T73] addrconf_dad_begin+0x310/0x670 [ 3086.720429][ T73] addrconf_dad_work+0x10b/0xab0 [ 3086.720429][ T73] process_one_work+0x84d/0x18a0 [ 3086.720429][ T73] worker_thread+0x587/0xd30 [ 3086.720429][ T73] kthread+0x28a/0x350 [ 3086.720429][ T73] ret_from_fork+0x31/0x70 [ 3086.720429][ T73] ret_from_fork_asm+0x1a/0x30 [ 3086.720429][ T73] [ 3086.722590][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3086.722590][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.722590][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.722590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.722590][ T73] ip6_route_add+0x1c/0x140 [ 3086.722590][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3086.722590][ T73] inet6_addr_add+0x4f8/0xa40 [ 3086.722590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.722590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.722590][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.722590][ T73] netlink_unicast+0x449/0x710 [ 3086.722590][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.722590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.722590][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.722590][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.722590][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.722590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.722590][ T73] [ 3086.724796][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3086.724796][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.724796][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.724796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.724796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3086.724796][ T73] ipv6_add_addr+0x411/0x2000 [ 3086.724796][ T73] inet6_addr_add+0x30e/0xa40 [ 3086.724796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.724796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.724796][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.724796][ T73] netlink_unicast+0x449/0x710 [ 3086.724796][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.724796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.724796][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.724796][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.724796][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.724796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.724796][ T73] [ 3086.727099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3086.727099][ T73] netdev_get_by_index+0x5e/0x80 [ 3086.727099][ T73] fib6_nh_init+0x3d8/0x1580 [ 3086.727099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3086.727099][ T73] ip6_route_add+0x1c/0x140 [ 3086.727099][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3086.727099][ T73] addrconf_add_dev+0xe2/0x170 [ 3086.727099][ T73] inet6_addr_add+0x12f/0xa40 [ 3086.727099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.727099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.727099][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.727099][ T73] netlink_unicast+0x449/0x710 [ 3086.727099][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.727099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.727099][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.727099][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.727099][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.727099][ T73] [ 3086.729299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3086.729299][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3086.729299][ T73] ipv6_find_idev+0x102/0x170 [ 3086.729299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.729299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.729299][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.729299][ T73] netlink_unicast+0x449/0x710 [ 3086.729299][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.729299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.729299][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.729299][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.729299][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.729299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.729299][ T73] [ 3086.731022][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3086.731022][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3086.731022][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3086.731022][ T73] ipv6_find_idev+0x102/0x170 [ 3086.731022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.731022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.731022][ T73] netlink_rcv_skb+0x130/0x360 [ 3086.731022][ T73] netlink_unicast+0x449/0x710 [ 3086.731022][ T73] netlink_sendmsg+0x723/0xbe0 [ 3086.731022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3086.731022][ T73] ___sys_sendmsg+0xee/0x170 [ 3086.731022][ T73] __sys_sendmsg+0xcd/0x170 [ 3086.731022][ T73] do_syscall_64+0xc6/0x1e0 [ 3086.731022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.731022][ T73] [ 3096.974882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3096.975362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.975362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3096.975362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3096.975362][ T73] fib6_nh_init+0xa22/0x1580 [ 3096.975362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.975362][ T73] ip6_route_add+0x1c/0x140 [ 3096.975362][ T73] inet6_rtm_newroute+0x104/0x110 [ 3096.975362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.975362][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.975362][ T73] netlink_unicast+0x449/0x710 [ 3096.975362][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.975362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.975362][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.975362][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.975362][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.975362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.975362][ T73] [ 3096.977274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.977274][ T73] dst_init+0x84/0x4a0 [ 3096.977274][ T73] dst_alloc+0x97/0x150 [ 3096.977274][ T73] ip6_dst_alloc+0x23/0x90 [ 3096.977274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3096.977274][ T73] ip6_pol_route+0x56f/0x840 [ 3096.977274][ T73] fib6_rule_lookup+0x456/0x630 [ 3096.977274][ T73] ip6_route_input+0x59c/0xa50 [ 3096.977274][ T73] ipv6_rcv+0x397/0x810 [ 3096.977274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3096.977274][ T73] process_backlog+0x101/0x620 [ 3096.977274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3096.977274][ T73] net_rx_action+0x495/0xbe0 [ 3096.977274][ T73] __do_softirq+0x1b5/0x7f6 [ 3096.977274][ T73] [ 3096.978916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.978916][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.978916][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.978916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.978916][ T73] ip6_route_add+0x1c/0x140 [ 3096.978916][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3096.978916][ T73] inet6_addr_add+0x4f8/0xa40 [ 3096.978916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.978916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.978916][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.978916][ T73] netlink_unicast+0x449/0x710 [ 3096.978916][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.978916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.978916][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.978916][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.978916][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.978916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.978916][ T73] [ 3096.980923][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.980923][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.980923][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.980923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.980923][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3096.980923][ T73] ipv6_add_addr+0x411/0x2000 [ 3096.980923][ T73] inet6_addr_add+0x30e/0xa40 [ 3096.980923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.980923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.980923][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.980923][ T73] netlink_unicast+0x449/0x710 [ 3096.980923][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.980923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.980923][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.980923][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.980923][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.980923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.980923][ T73] [ 3096.982930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.982930][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.982930][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.982930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.982930][ T73] ip6_route_add+0x1c/0x140 [ 3096.982930][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3096.982930][ T73] addrconf_add_dev+0xe2/0x170 [ 3096.982930][ T73] inet6_addr_add+0x12f/0xa40 [ 3096.982930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.982930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.982930][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.982930][ T73] netlink_unicast+0x449/0x710 [ 3096.982930][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.982930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.982930][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.982930][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.982930][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.982930][ T73] [ 3096.984902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.984902][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3096.984902][ T73] ipv6_find_idev+0x102/0x170 [ 3096.984902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.984902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.984902][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.984902][ T73] netlink_unicast+0x449/0x710 [ 3096.984902][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.984902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.984902][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.984902][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.984902][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.984902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.984902][ T73] [ 3096.986453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3096.986453][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3096.986453][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3096.986453][ T73] ipv6_find_idev+0x102/0x170 [ 3096.986453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.986453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.986453][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.986453][ T73] netlink_unicast+0x449/0x710 [ 3096.986453][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.986453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.986453][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.986453][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.986453][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.986453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.986453][ T73] [ 3096.988150][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3096.988423][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.988423][ T73] dst_init+0x84/0x4a0 [ 3096.988423][ T73] dst_alloc+0x97/0x150 [ 3096.988423][ T73] ip6_dst_alloc+0x23/0x90 [ 3096.988423][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3096.988423][ T73] ip6_pol_route+0x56f/0x840 [ 3096.988423][ T73] fib6_rule_lookup+0x456/0x630 [ 3096.988423][ T73] ip6_route_input+0x59c/0xa50 [ 3096.988423][ T73] ipv6_rcv+0x397/0x810 [ 3096.988423][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3096.988423][ T73] process_backlog+0x101/0x620 [ 3096.988423][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3096.988423][ T73] net_rx_action+0x495/0xbe0 [ 3096.988423][ T73] __do_softirq+0x1b5/0x7f6 [ 3096.988423][ T73] [ 3096.990068][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.990068][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.990068][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.990068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.990068][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3096.990068][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3096.990068][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3096.990068][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3096.990068][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3096.990068][ T73] addrconf_dad_begin+0x310/0x670 [ 3096.990068][ T73] addrconf_dad_work+0x10b/0xab0 [ 3096.990068][ T73] process_one_work+0x84d/0x18a0 [ 3096.990068][ T73] worker_thread+0x587/0xd30 [ 3096.990068][ T73] kthread+0x28a/0x350 [ 3096.990068][ T73] ret_from_fork+0x31/0x70 [ 3096.990068][ T73] ret_from_fork_asm+0x1a/0x30 [ 3096.990068][ T73] [ 3096.992351][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.992351][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.992351][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.992351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.992351][ T73] ip6_route_add+0x1c/0x140 [ 3096.992351][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3096.992351][ T73] inet6_addr_add+0x4f8/0xa40 [ 3096.992351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.992351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.992351][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.992351][ T73] netlink_unicast+0x449/0x710 [ 3096.992351][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.992351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.992351][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.992351][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.992351][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.992351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.992351][ T73] [ 3096.994354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.994354][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.994354][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.994354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.994354][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3096.994354][ T73] ipv6_add_addr+0x411/0x2000 [ 3096.994354][ T73] inet6_addr_add+0x30e/0xa40 [ 3096.994354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.994354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.994354][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.994354][ T73] netlink_unicast+0x449/0x710 [ 3096.994354][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.994354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.994354][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.994354][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.994354][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.994354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.994354][ T73] [ 3096.996361][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.996361][ T73] netdev_get_by_index+0x5e/0x80 [ 3096.996361][ T73] fib6_nh_init+0x3d8/0x1580 [ 3096.996361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3096.996361][ T73] ip6_route_add+0x1c/0x140 [ 3096.996361][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3096.996361][ T73] addrconf_add_dev+0xe2/0x170 [ 3096.996361][ T73] inet6_addr_add+0x12f/0xa40 [ 3096.996361][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.996361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.996361][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.996361][ T73] netlink_unicast+0x449/0x710 [ 3096.996361][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.996361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.996361][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.996361][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.996361][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.996361][ T73] [ 3096.998349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.998349][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3096.998349][ T73] ipv6_find_idev+0x102/0x170 [ 3096.998349][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.998349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.998349][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.998349][ T73] netlink_unicast+0x449/0x710 [ 3096.998349][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.998349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.998349][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.998349][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.998349][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.998349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.998349][ T73] [ 3096.999894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3096.999894][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3096.999894][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3096.999894][ T73] ipv6_find_idev+0x102/0x170 [ 3096.999894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.999894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.999894][ T73] netlink_rcv_skb+0x130/0x360 [ 3096.999894][ T73] netlink_unicast+0x449/0x710 [ 3096.999894][ T73] netlink_sendmsg+0x723/0xbe0 [ 3096.999894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3096.999894][ T73] ___sys_sendmsg+0xee/0x170 [ 3096.999894][ T73] __sys_sendmsg+0xcd/0x170 [ 3096.999894][ T73] do_syscall_64+0xc6/0x1e0 [ 3096.999894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.999894][ T73] [ 3097.001719][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3097.002001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.002001][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3097.002001][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3097.002001][ T73] fib6_nh_init+0xa22/0x1580 [ 3097.002001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.002001][ T73] ip6_route_add+0x1c/0x140 [ 3097.002001][ T73] inet6_rtm_newroute+0x104/0x110 [ 3097.002001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.002001][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.002001][ T73] netlink_unicast+0x449/0x710 [ 3097.002001][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.002001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.002001][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.002001][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.002001][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.002001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.002001][ T73] [ 3097.004195][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.004195][ T73] dst_init+0x84/0x4a0 [ 3097.004195][ T73] dst_alloc+0x97/0x150 [ 3097.004195][ T73] ip6_dst_alloc+0x23/0x90 [ 3097.004195][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3097.004195][ T73] ip6_pol_route+0x56f/0x840 [ 3097.004195][ T73] fib6_rule_lookup+0x456/0x630 [ 3097.004195][ T73] ip6_route_input+0x59c/0xa50 [ 3097.004195][ T73] ipv6_rcv+0x397/0x810 [ 3097.004195][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3097.004195][ T73] process_backlog+0x101/0x620 [ 3097.004195][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3097.004195][ T73] net_rx_action+0x495/0xbe0 [ 3097.004195][ T73] __do_softirq+0x1b5/0x7f6 [ 3097.004195][ T73] [ 3097.006014][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.006014][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.006014][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.006014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.006014][ T73] ip6_route_add+0x1c/0x140 [ 3097.006014][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3097.006014][ T73] inet6_addr_add+0x4f8/0xa40 [ 3097.006014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3097.006014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.006014][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.006014][ T73] netlink_unicast+0x449/0x710 [ 3097.006014][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.006014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.006014][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.006014][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.006014][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.006014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.006014][ T73] [ 3097.008259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.008259][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.008259][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.008259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.008259][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3097.008259][ T73] ipv6_add_addr+0x411/0x2000 [ 3097.008259][ T73] inet6_addr_add+0x30e/0xa40 [ 3097.008259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3097.008259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.008259][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.008259][ T73] netlink_unicast+0x449/0x710 [ 3097.008259][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.008259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.008259][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.008259][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.008259][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.008259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.008259][ T73] [ 3097.010501][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.010501][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.010501][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.010501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.010501][ T73] ip6_route_add+0x1c/0x140 [ 3097.010501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3097.010501][ T73] addrconf_add_dev+0xe2/0x170 [ 3097.010501][ T73] inet6_addr_add+0x12f/0xa40 [ 3097.010501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3097.010501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.010501][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.010501][ T73] netlink_unicast+0x449/0x710 [ 3097.010501][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.010501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.010501][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.010501][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.010501][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.010501][ T73] [ 3097.012707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.012707][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3097.012707][ T73] ipv6_find_idev+0x102/0x170 [ 3097.012707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3097.012707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.012707][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.012707][ T73] netlink_unicast+0x449/0x710 [ 3097.012707][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.012707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.012707][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.012707][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.012707][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.012707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.012707][ T73] [ 3097.014427][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3097.014427][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3097.014427][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3097.014427][ T73] ipv6_find_idev+0x102/0x170 [ 3097.014427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3097.014427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.014427][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.014427][ T73] netlink_unicast+0x449/0x710 [ 3097.014427][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.014427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.014427][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.014427][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.014427][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.014427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.014427][ T73] [ 3097.016359][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3097.016630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3097.016630][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.016630][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.016630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.016630][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3097.016630][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3097.016630][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3097.016630][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3097.016630][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3097.016630][ T73] addrconf_dad_begin+0x310/0x670 [ 3097.016630][ T73] addrconf_dad_work+0x10b/0xab0 [ 3097.016630][ T73] process_one_work+0x84d/0x18a0 [ 3097.016630][ T73] worker_thread+0x587/0xd30 [ 3097.016630][ T73] kthread+0x28a/0x350 [ 3097.016630][ T73] ret_from_fork+0x31/0x70 [ 3097.016630][ T73] ret_from_fork_asm+0x1a/0x30 [ 3097.016630][ T73] [ 3097.018802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3097.018802][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.018802][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.018802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.018802][ T73] ip6_route_add+0x1c/0x140 [ 3097.018802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3097.018802][ T73] inet6_addr_add+0x4f8/0xa40 [ 3097.018802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3097.018802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.018802][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.018802][ T73] netlink_unicast+0x449/0x710 [ 3097.018802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.018802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.018802][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.018802][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.018802][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.018802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.018802][ T73] [ 3097.020977][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3097.020977][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.020977][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.020977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.020977][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3097.020977][ T73] ipv6_add_addr+0x411/0x2000 [ 3097.020977][ T73] inet6_addr_add+0x30e/0xa40 [ 3097.020977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3097.020977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.020977][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.020977][ T73] netlink_unicast+0x449/0x710 [ 3097.020977][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.020977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.020977][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.020977][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.020977][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.020977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.020977][ T73] [ 3097.023282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3097.023282][ T73] netdev_get_by_index+0x5e/0x80 [ 3097.023282][ T73] fib6_nh_init+0x3d8/0x1580 [ 3097.023282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3097.023282][ T73] ip6_route_add+0x1c/0x140 [ 3097.023282][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3097.023282][ T73] addrconf_add_dev+0xe2/0x170 [ 3097.023282][ T73] inet6_addr_add+0x12f/0xa40 [ 3097.023282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3097.023282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.023282][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.023282][ T73] netlink_unicast+0x449/0x710 [ 3097.023282][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.023282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.023282][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.023282][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.023282][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.023282][ T73] [ 3097.025487][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3097.025487][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3097.025487][ T73] ipv6_find_idev+0x102/0x170 [ 3097.025487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3097.025487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.025487][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.025487][ T73] netlink_unicast+0x449/0x710 [ 3097.025487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.025487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.025487][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.025487][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.025487][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.025487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.025487][ T73] [ 3097.027212][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3097.027212][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3097.027212][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3097.027212][ T73] ipv6_find_idev+0x102/0x170 [ 3097.027212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3097.027212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3097.027212][ T73] netlink_rcv_skb+0x130/0x360 [ 3097.027212][ T73] netlink_unicast+0x449/0x710 [ 3097.027212][ T73] netlink_sendmsg+0x723/0xbe0 [ 3097.027212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3097.027212][ T73] ___sys_sendmsg+0xee/0x170 [ 3097.027212][ T73] __sys_sendmsg+0xcd/0x170 [ 3097.027212][ T73] do_syscall_64+0xc6/0x1e0 [ 3097.027212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3097.027212][ T73] [ 3107.270889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3107.271342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.271342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3107.271342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3107.271342][ T73] fib6_nh_init+0xa22/0x1580 [ 3107.271342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.271342][ T73] ip6_route_add+0x1c/0x140 [ 3107.271342][ T73] inet6_rtm_newroute+0x104/0x110 [ 3107.271342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.271342][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.271342][ T73] netlink_unicast+0x449/0x710 [ 3107.271342][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.271342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.271342][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.271342][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.271342][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.271342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.271342][ T73] [ 3107.273247][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.273247][ T73] dst_init+0x84/0x4a0 [ 3107.273247][ T73] dst_alloc+0x97/0x150 [ 3107.273247][ T73] ip6_dst_alloc+0x23/0x90 [ 3107.273247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3107.273247][ T73] ip6_pol_route+0x56f/0x840 [ 3107.273247][ T73] fib6_rule_lookup+0x456/0x630 [ 3107.273247][ T73] ip6_route_input+0x59c/0xa50 [ 3107.273247][ T73] ipv6_rcv+0x397/0x810 [ 3107.273247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3107.273247][ T73] process_backlog+0x101/0x620 [ 3107.273247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3107.273247][ T73] net_rx_action+0x495/0xbe0 [ 3107.273247][ T73] __do_softirq+0x1b5/0x7f6 [ 3107.273247][ T73] [ 3107.274891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.274891][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.274891][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.274891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.274891][ T73] ip6_route_add+0x1c/0x140 [ 3107.274891][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3107.274891][ T73] inet6_addr_add+0x4f8/0xa40 [ 3107.274891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.274891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.274891][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.274891][ T73] netlink_unicast+0x449/0x710 [ 3107.274891][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.274891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.274891][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.274891][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.274891][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.274891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.274891][ T73] [ 3107.276932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.276932][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.276932][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.276932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.276932][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3107.276932][ T73] ipv6_add_addr+0x411/0x2000 [ 3107.276932][ T73] inet6_addr_add+0x30e/0xa40 [ 3107.276932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.276932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.276932][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.276932][ T73] netlink_unicast+0x449/0x710 [ 3107.276932][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.276932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.276932][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.276932][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.276932][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.276932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.276932][ T73] [ 3107.278943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.278943][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.278943][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.278943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.278943][ T73] ip6_route_add+0x1c/0x140 [ 3107.278943][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3107.278943][ T73] addrconf_add_dev+0xe2/0x170 [ 3107.278943][ T73] inet6_addr_add+0x12f/0xa40 [ 3107.278943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.278943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.278943][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.278943][ T73] netlink_unicast+0x449/0x710 [ 3107.278943][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.278943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.278943][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.278943][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.278943][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.278943][ T73] [ 3107.280914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.280914][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3107.280914][ T73] ipv6_find_idev+0x102/0x170 [ 3107.280914][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.280914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.280914][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.280914][ T73] netlink_unicast+0x449/0x710 [ 3107.280914][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.280914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.280914][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.280914][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.280914][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.280914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.280914][ T73] [ 3107.282461][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3107.282461][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3107.282461][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3107.282461][ T73] ipv6_find_idev+0x102/0x170 [ 3107.282461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.282461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.282461][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.282461][ T73] netlink_unicast+0x449/0x710 [ 3107.282461][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.282461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.282461][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.282461][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.282461][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.282461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.282461][ T73] [ 3107.284170][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3107.284454][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.284454][ T73] dst_init+0x84/0x4a0 [ 3107.284454][ T73] dst_alloc+0x97/0x150 [ 3107.284454][ T73] ip6_dst_alloc+0x23/0x90 [ 3107.284454][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3107.284454][ T73] ip6_pol_route+0x56f/0x840 [ 3107.284454][ T73] fib6_rule_lookup+0x456/0x630 [ 3107.284454][ T73] ip6_route_input+0x59c/0xa50 [ 3107.284454][ T73] ipv6_rcv+0x397/0x810 [ 3107.284454][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3107.284454][ T73] process_backlog+0x101/0x620 [ 3107.284454][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3107.284454][ T73] net_rx_action+0x495/0xbe0 [ 3107.284454][ T73] __do_softirq+0x1b5/0x7f6 [ 3107.284454][ T73] [ 3107.286113][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.286113][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.286113][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.286113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.286113][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3107.286113][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3107.286113][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3107.286113][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3107.286113][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3107.286113][ T73] addrconf_dad_begin+0x310/0x670 [ 3107.286113][ T73] addrconf_dad_work+0x10b/0xab0 [ 3107.286113][ T73] process_one_work+0x84d/0x18a0 [ 3107.286113][ T73] worker_thread+0x587/0xd30 [ 3107.286113][ T73] kthread+0x28a/0x350 [ 3107.286113][ T73] ret_from_fork+0x31/0x70 [ 3107.286113][ T73] ret_from_fork_asm+0x1a/0x30 [ 3107.286113][ T73] [ 3107.288020][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.288020][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.288020][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.288020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.288020][ T73] ip6_route_add+0x1c/0x140 [ 3107.288020][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3107.288020][ T73] inet6_addr_add+0x4f8/0xa40 [ 3107.288020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.288020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.288020][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.288020][ T73] netlink_unicast+0x449/0x710 [ 3107.288020][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.288020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.288020][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.288020][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.288020][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.288020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.288020][ T73] [ 3107.290031][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.290031][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.290031][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.290031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.290031][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3107.290031][ T73] ipv6_add_addr+0x411/0x2000 [ 3107.290031][ T73] inet6_addr_add+0x30e/0xa40 [ 3107.290031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.290031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.290031][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.290031][ T73] netlink_unicast+0x449/0x710 [ 3107.290031][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.290031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.290031][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.290031][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.290031][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.290031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.290031][ T73] [ 3107.292038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.292038][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.292038][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.292038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.292038][ T73] ip6_route_add+0x1c/0x140 [ 3107.292038][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3107.292038][ T73] addrconf_add_dev+0xe2/0x170 [ 3107.292038][ T73] inet6_addr_add+0x12f/0xa40 [ 3107.292038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.292038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.292038][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.292038][ T73] netlink_unicast+0x449/0x710 [ 3107.292038][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.292038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.292038][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.292038][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.292038][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.292038][ T73] [ 3107.294013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.294013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3107.294013][ T73] ipv6_find_idev+0x102/0x170 [ 3107.294013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.294013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.294013][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.294013][ T73] netlink_unicast+0x449/0x710 [ 3107.294013][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.294013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.294013][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.294013][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.294013][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.294013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.294013][ T73] [ 3107.295559][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3107.295559][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3107.295559][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3107.295559][ T73] ipv6_find_idev+0x102/0x170 [ 3107.295559][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.295559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.295559][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.295559][ T73] netlink_unicast+0x449/0x710 [ 3107.295559][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.295559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.295559][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.295559][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.295559][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.295559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.295559][ T73] [ 3107.297389][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3107.297668][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.297668][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3107.297668][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3107.297668][ T73] fib6_nh_init+0xa22/0x1580 [ 3107.297668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.297668][ T73] ip6_route_add+0x1c/0x140 [ 3107.297668][ T73] inet6_rtm_newroute+0x104/0x110 [ 3107.297668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.297668][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.297668][ T73] netlink_unicast+0x449/0x710 [ 3107.297668][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.297668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.297668][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.297668][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.297668][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.297668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.297668][ T73] [ 3107.299858][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.299858][ T73] dst_init+0x84/0x4a0 [ 3107.299858][ T73] dst_alloc+0x97/0x150 [ 3107.299858][ T73] ip6_dst_alloc+0x23/0x90 [ 3107.299858][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3107.299858][ T73] ip6_pol_route+0x56f/0x840 [ 3107.299858][ T73] fib6_rule_lookup+0x456/0x630 [ 3107.299858][ T73] ip6_route_input+0x59c/0xa50 [ 3107.299858][ T73] ipv6_rcv+0x397/0x810 [ 3107.299858][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3107.299858][ T73] process_backlog+0x101/0x620 [ 3107.299858][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3107.299858][ T73] net_rx_action+0x495/0xbe0 [ 3107.299858][ T73] __do_softirq+0x1b5/0x7f6 [ 3107.299858][ T73] [ 3107.301681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.301681][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.301681][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.301681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.301681][ T73] ip6_route_add+0x1c/0x140 [ 3107.301681][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3107.301681][ T73] inet6_addr_add+0x4f8/0xa40 [ 3107.301681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.301681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.301681][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.301681][ T73] netlink_unicast+0x449/0x710 [ 3107.301681][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.301681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.301681][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.301681][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.301681][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.301681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.301681][ T73] [ 3107.303931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.303931][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.303931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.303931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.303931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3107.303931][ T73] ipv6_add_addr+0x411/0x2000 [ 3107.303931][ T73] inet6_addr_add+0x30e/0xa40 [ 3107.303931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.303931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.303931][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.303931][ T73] netlink_unicast+0x449/0x710 [ 3107.303931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.303931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.303931][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.303931][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.303931][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.303931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.303931][ T73] [ 3107.306198][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.306198][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.306198][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.306198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.306198][ T73] ip6_route_add+0x1c/0x140 [ 3107.306198][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3107.306198][ T73] addrconf_add_dev+0xe2/0x170 [ 3107.306198][ T73] inet6_addr_add+0x12f/0xa40 [ 3107.306198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.306198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.306198][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.306198][ T73] netlink_unicast+0x449/0x710 [ 3107.306198][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.306198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.306198][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.306198][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.306198][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.306198][ T73] [ 3107.308420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.308420][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3107.308420][ T73] ipv6_find_idev+0x102/0x170 [ 3107.308420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.308420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.308420][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.308420][ T73] netlink_unicast+0x449/0x710 [ 3107.308420][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.308420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.308420][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.308420][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.308420][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.308420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.308420][ T73] [ 3107.310158][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3107.310158][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3107.310158][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3107.310158][ T73] ipv6_find_idev+0x102/0x170 [ 3107.310158][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.310158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.310158][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.310158][ T73] netlink_unicast+0x449/0x710 [ 3107.310158][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.310158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.310158][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.310158][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.310158][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.310158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.310158][ T73] [ 3107.312082][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3107.312350][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3107.312350][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.312350][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.312350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.312350][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3107.312350][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3107.312350][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3107.312350][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3107.312350][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3107.312350][ T73] addrconf_dad_begin+0x310/0x670 [ 3107.312350][ T73] addrconf_dad_work+0x10b/0xab0 [ 3107.312350][ T73] process_one_work+0x84d/0x18a0 [ 3107.312350][ T73] worker_thread+0x587/0xd30 [ 3107.312350][ T73] kthread+0x28a/0x350 [ 3107.312350][ T73] ret_from_fork+0x31/0x70 [ 3107.312350][ T73] ret_from_fork_asm+0x1a/0x30 [ 3107.312350][ T73] [ 3107.314514][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3107.314514][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.314514][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.314514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.314514][ T73] ip6_route_add+0x1c/0x140 [ 3107.314514][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3107.314514][ T73] inet6_addr_add+0x4f8/0xa40 [ 3107.314514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.314514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.314514][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.314514][ T73] netlink_unicast+0x449/0x710 [ 3107.314514][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.314514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.314514][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.314514][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.314514][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.314514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.314514][ T73] [ 3107.316703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3107.316703][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.316703][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.316703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.316703][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3107.316703][ T73] ipv6_add_addr+0x411/0x2000 [ 3107.316703][ T73] inet6_addr_add+0x30e/0xa40 [ 3107.316703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.316703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.316703][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.316703][ T73] netlink_unicast+0x449/0x710 [ 3107.316703][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.316703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.316703][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.316703][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.316703][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.316703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.316703][ T73] [ 3107.319010][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3107.319010][ T73] netdev_get_by_index+0x5e/0x80 [ 3107.319010][ T73] fib6_nh_init+0x3d8/0x1580 [ 3107.319010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3107.319010][ T73] ip6_route_add+0x1c/0x140 [ 3107.319010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3107.319010][ T73] addrconf_add_dev+0xe2/0x170 [ 3107.319010][ T73] inet6_addr_add+0x12f/0xa40 [ 3107.319010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3107.319010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.319010][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.319010][ T73] netlink_unicast+0x449/0x710 [ 3107.319010][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.319010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.319010][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.319010][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.319010][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.319010][ T73] [ 3107.321231][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3107.321231][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3107.321231][ T73] ipv6_find_idev+0x102/0x170 [ 3107.321231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.321231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.321231][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.321231][ T73] netlink_unicast+0x449/0x710 [ 3107.321231][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.321231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.321231][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.321231][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.321231][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.321231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.321231][ T73] [ 3107.322956][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3107.322956][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3107.322956][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3107.322956][ T73] ipv6_find_idev+0x102/0x170 [ 3107.322956][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3107.322956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3107.322956][ T73] netlink_rcv_skb+0x130/0x360 [ 3107.322956][ T73] netlink_unicast+0x449/0x710 [ 3107.322956][ T73] netlink_sendmsg+0x723/0xbe0 [ 3107.322956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3107.322956][ T73] ___sys_sendmsg+0xee/0x170 [ 3107.322956][ T73] __sys_sendmsg+0xcd/0x170 [ 3107.322956][ T73] do_syscall_64+0xc6/0x1e0 [ 3107.322956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3107.322956][ T73] [ 3117.566825][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3117.567292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.567292][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3117.567292][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3117.567292][ T73] fib6_nh_init+0xa22/0x1580 [ 3117.567292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.567292][ T73] ip6_route_add+0x1c/0x140 [ 3117.567292][ T73] inet6_rtm_newroute+0x104/0x110 [ 3117.567292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.567292][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.567292][ T73] netlink_unicast+0x449/0x710 [ 3117.567292][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.567292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.567292][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.567292][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.567292][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.567292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.567292][ T73] [ 3117.569196][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.569196][ T73] dst_init+0x84/0x4a0 [ 3117.569196][ T73] dst_alloc+0x97/0x150 [ 3117.569196][ T73] ip6_dst_alloc+0x23/0x90 [ 3117.569196][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3117.569196][ T73] ip6_pol_route+0x56f/0x840 [ 3117.569196][ T73] fib6_rule_lookup+0x456/0x630 [ 3117.569196][ T73] ip6_route_input+0x59c/0xa50 [ 3117.569196][ T73] ipv6_rcv+0x397/0x810 [ 3117.569196][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3117.569196][ T73] process_backlog+0x101/0x620 [ 3117.569196][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3117.569196][ T73] net_rx_action+0x495/0xbe0 [ 3117.569196][ T73] __do_softirq+0x1b5/0x7f6 [ 3117.569196][ T73] [ 3117.570842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.570842][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.570842][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.570842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.570842][ T73] ip6_route_add+0x1c/0x140 [ 3117.570842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3117.570842][ T73] inet6_addr_add+0x4f8/0xa40 [ 3117.570842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.570842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.570842][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.570842][ T73] netlink_unicast+0x449/0x710 [ 3117.570842][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.570842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.570842][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.570842][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.570842][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.570842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.570842][ T73] [ 3117.572853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.572853][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.572853][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.572853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.572853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3117.572853][ T73] ipv6_add_addr+0x411/0x2000 [ 3117.572853][ T73] inet6_addr_add+0x30e/0xa40 [ 3117.572853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.572853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.572853][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.572853][ T73] netlink_unicast+0x449/0x710 [ 3117.572853][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.572853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.572853][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.572853][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.572853][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.572853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.572853][ T73] [ 3117.574872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.574872][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.574872][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.574872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.574872][ T73] ip6_route_add+0x1c/0x140 [ 3117.574872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3117.574872][ T73] addrconf_add_dev+0xe2/0x170 [ 3117.574872][ T73] inet6_addr_add+0x12f/0xa40 [ 3117.574872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.574872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.574872][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.574872][ T73] netlink_unicast+0x449/0x710 [ 3117.574872][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.574872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.574872][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.574872][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.574872][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.574872][ T73] [ 3117.576852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.576852][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3117.576852][ T73] ipv6_find_idev+0x102/0x170 [ 3117.576852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.576852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.576852][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.576852][ T73] netlink_unicast+0x449/0x710 [ 3117.576852][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.576852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.576852][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.576852][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.576852][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.576852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.576852][ T73] [ 3117.578409][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3117.578409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3117.578409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3117.578409][ T73] ipv6_find_idev+0x102/0x170 [ 3117.578409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.578409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.578409][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.578409][ T73] netlink_unicast+0x449/0x710 [ 3117.578409][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.578409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.578409][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.578409][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.578409][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.578409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.578409][ T73] [ 3117.580121][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3117.580392][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.580392][ T73] dst_init+0x84/0x4a0 [ 3117.580392][ T73] dst_alloc+0x97/0x150 [ 3117.580392][ T73] ip6_dst_alloc+0x23/0x90 [ 3117.580392][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3117.580392][ T73] ip6_pol_route+0x56f/0x840 [ 3117.580392][ T73] fib6_rule_lookup+0x456/0x630 [ 3117.580392][ T73] ip6_route_input+0x59c/0xa50 [ 3117.580392][ T73] ipv6_rcv+0x397/0x810 [ 3117.580392][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3117.580392][ T73] process_backlog+0x101/0x620 [ 3117.580392][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3117.580392][ T73] net_rx_action+0x495/0xbe0 [ 3117.580392][ T73] __do_softirq+0x1b5/0x7f6 [ 3117.580392][ T73] [ 3117.582035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.582035][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.582035][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.582035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.582035][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3117.582035][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3117.582035][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3117.582035][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3117.582035][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3117.582035][ T73] addrconf_dad_begin+0x310/0x670 [ 3117.582035][ T73] addrconf_dad_work+0x10b/0xab0 [ 3117.582035][ T73] process_one_work+0x84d/0x18a0 [ 3117.582035][ T73] worker_thread+0x587/0xd30 [ 3117.582035][ T73] kthread+0x28a/0x350 [ 3117.582035][ T73] ret_from_fork+0x31/0x70 [ 3117.582035][ T73] ret_from_fork_asm+0x1a/0x30 [ 3117.582035][ T73] [ 3117.583951][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.583951][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.583951][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.583951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.583951][ T73] ip6_route_add+0x1c/0x140 [ 3117.583951][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3117.583951][ T73] inet6_addr_add+0x4f8/0xa40 [ 3117.583951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.583951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.583951][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.583951][ T73] netlink_unicast+0x449/0x710 [ 3117.583951][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.583951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.583951][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.583951][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.583951][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.583951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.583951][ T73] [ 3117.585974][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.585974][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.585974][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.585974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.585974][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3117.585974][ T73] ipv6_add_addr+0x411/0x2000 [ 3117.585974][ T73] inet6_addr_add+0x30e/0xa40 [ 3117.585974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.585974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.585974][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.585974][ T73] netlink_unicast+0x449/0x710 [ 3117.585974][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.585974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.585974][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.585974][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.585974][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.585974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.585974][ T73] [ 3117.587984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.587984][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.587984][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.587984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.587984][ T73] ip6_route_add+0x1c/0x140 [ 3117.587984][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3117.587984][ T73] addrconf_add_dev+0xe2/0x170 [ 3117.587984][ T73] inet6_addr_add+0x12f/0xa40 [ 3117.587984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.587984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.587984][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.587984][ T73] netlink_unicast+0x449/0x710 [ 3117.587984][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.587984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.587984][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.587984][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.587984][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.587984][ T73] [ 3117.589947][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.589947][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3117.589947][ T73] ipv6_find_idev+0x102/0x170 [ 3117.589947][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.589947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.589947][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.589947][ T73] netlink_unicast+0x449/0x710 [ 3117.589947][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.589947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.589947][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.589947][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.589947][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.589947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.589947][ T73] [ 3117.591489][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3117.591489][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3117.591489][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3117.591489][ T73] ipv6_find_idev+0x102/0x170 [ 3117.591489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.591489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.591489][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.591489][ T73] netlink_unicast+0x449/0x710 [ 3117.591489][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.591489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.591489][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.591489][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.591489][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.591489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.591489][ T73] [ 3117.593306][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3117.593576][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.593576][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3117.593576][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3117.593576][ T73] fib6_nh_init+0xa22/0x1580 [ 3117.593576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.593576][ T73] ip6_route_add+0x1c/0x140 [ 3117.593576][ T73] inet6_rtm_newroute+0x104/0x110 [ 3117.593576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.593576][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.593576][ T73] netlink_unicast+0x449/0x710 [ 3117.593576][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.593576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.593576][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.593576][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.593576][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.593576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.593576][ T73] [ 3117.595757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.595757][ T73] dst_init+0x84/0x4a0 [ 3117.595757][ T73] dst_alloc+0x97/0x150 [ 3117.595757][ T73] ip6_dst_alloc+0x23/0x90 [ 3117.595757][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3117.595757][ T73] ip6_pol_route+0x56f/0x840 [ 3117.595757][ T73] fib6_rule_lookup+0x456/0x630 [ 3117.595757][ T73] ip6_route_input+0x59c/0xa50 [ 3117.595757][ T73] ipv6_rcv+0x397/0x810 [ 3117.595757][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3117.595757][ T73] process_backlog+0x101/0x620 [ 3117.595757][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3117.595757][ T73] net_rx_action+0x495/0xbe0 [ 3117.595757][ T73] __do_softirq+0x1b5/0x7f6 [ 3117.595757][ T73] [ 3117.597578][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.597578][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.597578][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.597578][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.597578][ T73] ip6_route_add+0x1c/0x140 [ 3117.597578][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3117.597578][ T73] inet6_addr_add+0x4f8/0xa40 [ 3117.597578][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.597578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.597578][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.597578][ T73] netlink_unicast+0x449/0x710 [ 3117.597578][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.597578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.597578][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.597578][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.597578][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.597578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.597578][ T73] [ 3117.599820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.599820][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.599820][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.599820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.599820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3117.599820][ T73] ipv6_add_addr+0x411/0x2000 [ 3117.599820][ T73] inet6_addr_add+0x30e/0xa40 [ 3117.599820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.599820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.599820][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.599820][ T73] netlink_unicast+0x449/0x710 [ 3117.599820][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.599820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.599820][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.599820][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.599820][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.599820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.599820][ T73] [ 3117.602059][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.602059][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.602059][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.602059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.602059][ T73] ip6_route_add+0x1c/0x140 [ 3117.602059][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3117.602059][ T73] addrconf_add_dev+0xe2/0x170 [ 3117.602059][ T73] inet6_addr_add+0x12f/0xa40 [ 3117.602059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.602059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.602059][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.602059][ T73] netlink_unicast+0x449/0x710 [ 3117.602059][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.602059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.602059][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.602059][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.602059][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.602059][ T73] [ 3117.604277][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.604277][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3117.604277][ T73] ipv6_find_idev+0x102/0x170 [ 3117.604277][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.604277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.604277][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.604277][ T73] netlink_unicast+0x449/0x710 [ 3117.604277][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.604277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.604277][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.604277][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.604277][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.604277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.604277][ T73] [ 3117.606001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3117.606001][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3117.606001][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3117.606001][ T73] ipv6_find_idev+0x102/0x170 [ 3117.606001][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.606001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.606001][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.606001][ T73] netlink_unicast+0x449/0x710 [ 3117.606001][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.606001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.606001][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.606001][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.606001][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.606001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.606001][ T73] [ 3117.607982][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3117.608389][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3117.608389][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.608389][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.608389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.608389][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3117.608389][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3117.608389][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3117.608389][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3117.608389][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3117.608389][ T73] addrconf_dad_begin+0x310/0x670 [ 3117.608389][ T73] addrconf_dad_work+0x10b/0xab0 [ 3117.608389][ T73] process_one_work+0x84d/0x18a0 [ 3117.608389][ T73] worker_thread+0x587/0xd30 [ 3117.608389][ T73] kthread+0x28a/0x350 [ 3117.608389][ T73] ret_from_fork+0x31/0x70 [ 3117.608389][ T73] ret_from_fork_asm+0x1a/0x30 [ 3117.608389][ T73] [ 3117.611902][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3117.611902][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.611902][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.611902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.611902][ T73] ip6_route_add+0x1c/0x140 [ 3117.611902][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3117.611902][ T73] inet6_addr_add+0x4f8/0xa40 [ 3117.611902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.611902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.611902][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.611902][ T73] netlink_unicast+0x449/0x710 [ 3117.611902][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.611902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.611902][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.611902][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.611902][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.611902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.611902][ T73] [ 3117.615446][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3117.615446][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.615446][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.615446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.615446][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3117.615446][ T73] ipv6_add_addr+0x411/0x2000 [ 3117.615446][ T73] inet6_addr_add+0x30e/0xa40 [ 3117.615446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.615446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.615446][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.615446][ T73] netlink_unicast+0x449/0x710 [ 3117.615446][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.615446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.615446][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.615446][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.615446][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.615446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.615446][ T73] [ 3117.619214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3117.619214][ T73] netdev_get_by_index+0x5e/0x80 [ 3117.619214][ T73] fib6_nh_init+0x3d8/0x1580 [ 3117.619214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3117.619214][ T73] ip6_route_add+0x1c/0x140 [ 3117.619214][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3117.619214][ T73] addrconf_add_dev+0xe2/0x170 [ 3117.619214][ T73] inet6_addr_add+0x12f/0xa40 [ 3117.619214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.619214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.619214][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.619214][ T73] netlink_unicast+0x449/0x710 [ 3117.619214][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.619214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.619214][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.619214][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.619214][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.619214][ T73] [ 3117.622817][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3117.622817][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3117.622817][ T73] ipv6_find_idev+0x102/0x170 [ 3117.622817][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.622817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.622817][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.622817][ T73] netlink_unicast+0x449/0x710 [ 3117.622817][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.622817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.622817][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.622817][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.622817][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.622817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.622817][ T73] [ 3117.625620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3117.625620][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3117.625620][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3117.625620][ T73] ipv6_find_idev+0x102/0x170 [ 3117.625620][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.625620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.625620][ T73] netlink_rcv_skb+0x130/0x360 [ 3117.625620][ T73] netlink_unicast+0x449/0x710 [ 3117.625620][ T73] netlink_sendmsg+0x723/0xbe0 [ 3117.625620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3117.625620][ T73] ___sys_sendmsg+0xee/0x170 [ 3117.625620][ T73] __sys_sendmsg+0xcd/0x170 [ 3117.625620][ T73] do_syscall_64+0xc6/0x1e0 [ 3117.625620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.625620][ T73] [ 3127.870912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3127.871372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.871372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3127.871372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3127.871372][ T73] fib6_nh_init+0xa22/0x1580 [ 3127.871372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.871372][ T73] ip6_route_add+0x1c/0x140 [ 3127.871372][ T73] inet6_rtm_newroute+0x104/0x110 [ 3127.871372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.871372][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.871372][ T73] netlink_unicast+0x449/0x710 [ 3127.871372][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.871372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.871372][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.871372][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.871372][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.871372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.871372][ T73] [ 3127.874238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.874238][ T73] dst_init+0x84/0x4a0 [ 3127.874238][ T73] dst_alloc+0x97/0x150 [ 3127.874238][ T73] ip6_dst_alloc+0x23/0x90 [ 3127.874238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3127.874238][ T73] ip6_pol_route+0x56f/0x840 [ 3127.874238][ T73] fib6_rule_lookup+0x456/0x630 [ 3127.874238][ T73] ip6_route_input+0x59c/0xa50 [ 3127.874238][ T73] ipv6_rcv+0x397/0x810 [ 3127.874238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3127.874238][ T73] process_backlog+0x101/0x620 [ 3127.874238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3127.874238][ T73] net_rx_action+0x495/0xbe0 [ 3127.874238][ T73] __do_softirq+0x1b5/0x7f6 [ 3127.874238][ T73] [ 3127.876895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.876895][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.876895][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.876895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.876895][ T73] ip6_route_add+0x1c/0x140 [ 3127.876895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3127.876895][ T73] inet6_addr_add+0x4f8/0xa40 [ 3127.876895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.876895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.876895][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.876895][ T73] netlink_unicast+0x449/0x710 [ 3127.876895][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.876895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.876895][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.876895][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.876895][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.876895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.876895][ T73] [ 3127.880101][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.880101][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.880101][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.880101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.880101][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3127.880101][ T73] ipv6_add_addr+0x411/0x2000 [ 3127.880101][ T73] inet6_addr_add+0x30e/0xa40 [ 3127.880101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.880101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.880101][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.880101][ T73] netlink_unicast+0x449/0x710 [ 3127.880101][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.880101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.880101][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.880101][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.880101][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.880101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.880101][ T73] [ 3127.883303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.883303][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.883303][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.883303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.883303][ T73] ip6_route_add+0x1c/0x140 [ 3127.883303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3127.883303][ T73] addrconf_add_dev+0xe2/0x170 [ 3127.883303][ T73] inet6_addr_add+0x12f/0xa40 [ 3127.883303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.883303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.883303][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.883303][ T73] netlink_unicast+0x449/0x710 [ 3127.883303][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.883303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.883303][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.883303][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.883303][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.883303][ T73] [ 3127.886487][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.886487][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3127.886487][ T73] ipv6_find_idev+0x102/0x170 [ 3127.886487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.886487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.886487][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.886487][ T73] netlink_unicast+0x449/0x710 [ 3127.886487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.886487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.886487][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.886487][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.886487][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.886487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.886487][ T73] [ 3127.888955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3127.888955][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3127.888955][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3127.888955][ T73] ipv6_find_idev+0x102/0x170 [ 3127.888955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.888955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.888955][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.888955][ T73] netlink_unicast+0x449/0x710 [ 3127.888955][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.888955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.888955][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.888955][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.888955][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.888955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.888955][ T73] [ 3127.891661][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3127.892113][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.892113][ T73] dst_init+0x84/0x4a0 [ 3127.892113][ T73] dst_alloc+0x97/0x150 [ 3127.892113][ T73] ip6_dst_alloc+0x23/0x90 [ 3127.892113][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3127.892113][ T73] ip6_pol_route+0x56f/0x840 [ 3127.892113][ T73] fib6_rule_lookup+0x456/0x630 [ 3127.892113][ T73] ip6_route_input+0x59c/0xa50 [ 3127.892113][ T73] ipv6_rcv+0x397/0x810 [ 3127.892113][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3127.892113][ T73] process_backlog+0x101/0x620 [ 3127.892113][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3127.892113][ T73] net_rx_action+0x495/0xbe0 [ 3127.892113][ T73] __do_softirq+0x1b5/0x7f6 [ 3127.892113][ T73] [ 3127.894750][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.894750][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.894750][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.894750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.894750][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3127.894750][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3127.894750][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3127.894750][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3127.894750][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3127.894750][ T73] addrconf_dad_begin+0x310/0x670 [ 3127.894750][ T73] addrconf_dad_work+0x10b/0xab0 [ 3127.894750][ T73] process_one_work+0x84d/0x18a0 [ 3127.894750][ T73] worker_thread+0x587/0xd30 [ 3127.894750][ T73] kthread+0x28a/0x350 [ 3127.894750][ T73] ret_from_fork+0x31/0x70 [ 3127.894750][ T73] ret_from_fork_asm+0x1a/0x30 [ 3127.894750][ T73] [ 3127.896814][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.896814][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.896814][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.896814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.896814][ T73] ip6_route_add+0x1c/0x140 [ 3127.896814][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3127.896814][ T73] inet6_addr_add+0x4f8/0xa40 [ 3127.896814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.896814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.896814][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.896814][ T73] netlink_unicast+0x449/0x710 [ 3127.896814][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.896814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.896814][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.896814][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.896814][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.896814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.896814][ T73] [ 3127.898821][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.898821][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.898821][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.898821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.898821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3127.898821][ T73] ipv6_add_addr+0x411/0x2000 [ 3127.898821][ T73] inet6_addr_add+0x30e/0xa40 [ 3127.898821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.898821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.898821][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.898821][ T73] netlink_unicast+0x449/0x710 [ 3127.898821][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.898821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.898821][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.898821][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.898821][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.898821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.898821][ T73] [ 3127.900844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.900844][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.900844][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.900844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.900844][ T73] ip6_route_add+0x1c/0x140 [ 3127.900844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3127.900844][ T73] addrconf_add_dev+0xe2/0x170 [ 3127.900844][ T73] inet6_addr_add+0x12f/0xa40 [ 3127.900844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.900844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.900844][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.900844][ T73] netlink_unicast+0x449/0x710 [ 3127.900844][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.900844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.900844][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.900844][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.900844][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.900844][ T73] [ 3127.902815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.902815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3127.902815][ T73] ipv6_find_idev+0x102/0x170 [ 3127.902815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.902815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.902815][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.902815][ T73] netlink_unicast+0x449/0x710 [ 3127.902815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.902815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.902815][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.902815][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.902815][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.902815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.902815][ T73] [ 3127.904355][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3127.904355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3127.904355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3127.904355][ T73] ipv6_find_idev+0x102/0x170 [ 3127.904355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.904355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.904355][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.904355][ T73] netlink_unicast+0x449/0x710 [ 3127.904355][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.904355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.904355][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.904355][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.904355][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.904355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.904355][ T73] [ 3127.906215][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3127.906486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.906486][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3127.906486][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3127.906486][ T73] fib6_nh_init+0xa22/0x1580 [ 3127.906486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.906486][ T73] ip6_route_add+0x1c/0x140 [ 3127.906486][ T73] inet6_rtm_newroute+0x104/0x110 [ 3127.906486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.906486][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.906486][ T73] netlink_unicast+0x449/0x710 [ 3127.906486][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.906486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.906486][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.906486][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.906486][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.906486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.906486][ T73] [ 3127.908698][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.908698][ T73] dst_init+0x84/0x4a0 [ 3127.908698][ T73] dst_alloc+0x97/0x150 [ 3127.908698][ T73] ip6_dst_alloc+0x23/0x90 [ 3127.908698][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3127.908698][ T73] ip6_pol_route+0x56f/0x840 [ 3127.908698][ T73] fib6_rule_lookup+0x456/0x630 [ 3127.908698][ T73] ip6_route_input+0x59c/0xa50 [ 3127.908698][ T73] ipv6_rcv+0x397/0x810 [ 3127.908698][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3127.908698][ T73] process_backlog+0x101/0x620 [ 3127.908698][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3127.908698][ T73] net_rx_action+0x495/0xbe0 [ 3127.908698][ T73] __do_softirq+0x1b5/0x7f6 [ 3127.908698][ T73] [ 3127.910518][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.910518][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.910518][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.910518][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.910518][ T73] ip6_route_add+0x1c/0x140 [ 3127.910518][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3127.910518][ T73] inet6_addr_add+0x4f8/0xa40 [ 3127.910518][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.910518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.910518][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.910518][ T73] netlink_unicast+0x449/0x710 [ 3127.910518][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.910518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.910518][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.910518][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.910518][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.910518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.910518][ T73] [ 3127.913289][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.913289][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.913289][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.913289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.913289][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3127.913289][ T73] ipv6_add_addr+0x411/0x2000 [ 3127.913289][ T73] inet6_addr_add+0x30e/0xa40 [ 3127.913289][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.913289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.913289][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.913289][ T73] netlink_unicast+0x449/0x710 [ 3127.913289][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.913289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.913289][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.913289][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.913289][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.913289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.913289][ T73] [ 3127.915941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.915941][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.915941][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.915941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.915941][ T73] ip6_route_add+0x1c/0x140 [ 3127.915941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3127.915941][ T73] addrconf_add_dev+0xe2/0x170 [ 3127.915941][ T73] inet6_addr_add+0x12f/0xa40 [ 3127.915941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.915941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.915941][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.915941][ T73] netlink_unicast+0x449/0x710 [ 3127.915941][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.915941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.915941][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.915941][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.915941][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.915941][ T73] [ 3127.918149][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.918149][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3127.918149][ T73] ipv6_find_idev+0x102/0x170 [ 3127.918149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.918149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.918149][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.918149][ T73] netlink_unicast+0x449/0x710 [ 3127.918149][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.918149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.918149][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.918149][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.918149][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.918149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.918149][ T73] [ 3127.919871][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3127.919871][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3127.919871][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3127.919871][ T73] ipv6_find_idev+0x102/0x170 [ 3127.919871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.919871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.919871][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.919871][ T73] netlink_unicast+0x449/0x710 [ 3127.919871][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.919871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.919871][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.919871][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.919871][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.919871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.919871][ T73] [ 3127.921802][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3127.922073][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3127.922073][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.922073][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.922073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.922073][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3127.922073][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3127.922073][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3127.922073][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3127.922073][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3127.922073][ T73] addrconf_dad_begin+0x310/0x670 [ 3127.922073][ T73] addrconf_dad_work+0x10b/0xab0 [ 3127.922073][ T73] process_one_work+0x84d/0x18a0 [ 3127.922073][ T73] worker_thread+0x587/0xd30 [ 3127.922073][ T73] kthread+0x28a/0x350 [ 3127.922073][ T73] ret_from_fork+0x31/0x70 [ 3127.922073][ T73] ret_from_fork_asm+0x1a/0x30 [ 3127.922073][ T73] [ 3127.924234][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3127.924234][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.924234][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.924234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.924234][ T73] ip6_route_add+0x1c/0x140 [ 3127.924234][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3127.924234][ T73] inet6_addr_add+0x4f8/0xa40 [ 3127.924234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.924234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.924234][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.924234][ T73] netlink_unicast+0x449/0x710 [ 3127.924234][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.924234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.924234][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.924234][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.924234][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.924234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.924234][ T73] [ 3127.926420][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3127.926420][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.926420][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.926420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.926420][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3127.926420][ T73] ipv6_add_addr+0x411/0x2000 [ 3127.926420][ T73] inet6_addr_add+0x30e/0xa40 [ 3127.926420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.926420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.926420][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.926420][ T73] netlink_unicast+0x449/0x710 [ 3127.926420][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.926420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.926420][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.926420][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.926420][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.926420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.926420][ T73] [ 3127.928731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3127.928731][ T73] netdev_get_by_index+0x5e/0x80 [ 3127.928731][ T73] fib6_nh_init+0x3d8/0x1580 [ 3127.928731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3127.928731][ T73] ip6_route_add+0x1c/0x140 [ 3127.928731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3127.928731][ T73] addrconf_add_dev+0xe2/0x170 [ 3127.928731][ T73] inet6_addr_add+0x12f/0xa40 [ 3127.928731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.928731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.928731][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.928731][ T73] netlink_unicast+0x449/0x710 [ 3127.928731][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.928731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.928731][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.928731][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.928731][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.928731][ T73] [ 3127.930940][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3127.930940][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3127.930940][ T73] ipv6_find_idev+0x102/0x170 [ 3127.930940][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.930940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.930940][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.930940][ T73] netlink_unicast+0x449/0x710 [ 3127.930940][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.930940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.930940][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.930940][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.930940][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.930940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.930940][ T73] [ 3127.932666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3127.932666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3127.932666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3127.932666][ T73] ipv6_find_idev+0x102/0x170 [ 3127.932666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.932666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.932666][ T73] netlink_rcv_skb+0x130/0x360 [ 3127.932666][ T73] netlink_unicast+0x449/0x710 [ 3127.932666][ T73] netlink_sendmsg+0x723/0xbe0 [ 3127.932666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3127.932666][ T73] ___sys_sendmsg+0xee/0x170 [ 3127.932666][ T73] __sys_sendmsg+0xcd/0x170 [ 3127.932666][ T73] do_syscall_64+0xc6/0x1e0 [ 3127.932666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.932666][ T73] [ 3138.174895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3138.175487][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.175487][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3138.175487][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3138.175487][ T73] fib6_nh_init+0xa22/0x1580 [ 3138.175487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.175487][ T73] ip6_route_add+0x1c/0x140 [ 3138.175487][ T73] inet6_rtm_newroute+0x104/0x110 [ 3138.175487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.175487][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.175487][ T73] netlink_unicast+0x449/0x710 [ 3138.175487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.175487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.175487][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.175487][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.175487][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.175487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.175487][ T73] [ 3138.178595][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.178595][ T73] dst_init+0x84/0x4a0 [ 3138.178595][ T73] dst_alloc+0x97/0x150 [ 3138.178595][ T73] ip6_dst_alloc+0x23/0x90 [ 3138.178595][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3138.178595][ T73] ip6_pol_route+0x56f/0x840 [ 3138.178595][ T73] fib6_rule_lookup+0x456/0x630 [ 3138.178595][ T73] ip6_route_input+0x59c/0xa50 [ 3138.178595][ T73] ipv6_rcv+0x397/0x810 [ 3138.178595][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3138.178595][ T73] process_backlog+0x101/0x620 [ 3138.178595][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3138.178595][ T73] net_rx_action+0x495/0xbe0 [ 3138.178595][ T73] __do_softirq+0x1b5/0x7f6 [ 3138.178595][ T73] [ 3138.180813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.180813][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.180813][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.180813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.180813][ T73] ip6_route_add+0x1c/0x140 [ 3138.180813][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3138.180813][ T73] inet6_addr_add+0x4f8/0xa40 [ 3138.180813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.180813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.180813][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.180813][ T73] netlink_unicast+0x449/0x710 [ 3138.180813][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.180813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.180813][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.180813][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.180813][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.180813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.180813][ T73] [ 3138.182836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.182836][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.182836][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.182836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.182836][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3138.182836][ T73] ipv6_add_addr+0x411/0x2000 [ 3138.182836][ T73] inet6_addr_add+0x30e/0xa40 [ 3138.182836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.182836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.182836][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.182836][ T73] netlink_unicast+0x449/0x710 [ 3138.182836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.182836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.182836][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.182836][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.182836][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.182836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.182836][ T73] [ 3138.185220][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.185220][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.185220][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.185220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.185220][ T73] ip6_route_add+0x1c/0x140 [ 3138.185220][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3138.185220][ T73] addrconf_add_dev+0xe2/0x170 [ 3138.185220][ T73] inet6_addr_add+0x12f/0xa40 [ 3138.185220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.185220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.185220][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.185220][ T73] netlink_unicast+0x449/0x710 [ 3138.185220][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.185220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.185220][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.185220][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.185220][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.185220][ T73] [ 3138.187218][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.187218][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3138.187218][ T73] ipv6_find_idev+0x102/0x170 [ 3138.187218][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.187218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.187218][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.187218][ T73] netlink_unicast+0x449/0x710 [ 3138.187218][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.187218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.187218][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.187218][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.187218][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.187218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.187218][ T73] [ 3138.188763][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3138.188763][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3138.188763][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3138.188763][ T73] ipv6_find_idev+0x102/0x170 [ 3138.188763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.188763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.188763][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.188763][ T73] netlink_unicast+0x449/0x710 [ 3138.188763][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.188763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.188763][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.188763][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.188763][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.188763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.188763][ T73] [ 3138.190501][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3138.190778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.190778][ T73] dst_init+0x84/0x4a0 [ 3138.190778][ T73] dst_alloc+0x97/0x150 [ 3138.190778][ T73] ip6_dst_alloc+0x23/0x90 [ 3138.190778][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3138.190778][ T73] ip6_pol_route+0x56f/0x840 [ 3138.190778][ T73] fib6_rule_lookup+0x456/0x630 [ 3138.190778][ T73] ip6_route_input+0x59c/0xa50 [ 3138.190778][ T73] ipv6_rcv+0x397/0x810 [ 3138.190778][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3138.190778][ T73] process_backlog+0x101/0x620 [ 3138.190778][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3138.190778][ T73] net_rx_action+0x495/0xbe0 [ 3138.190778][ T73] __do_softirq+0x1b5/0x7f6 [ 3138.190778][ T73] [ 3138.192423][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.192423][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.192423][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.192423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.192423][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3138.192423][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3138.192423][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3138.192423][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3138.192423][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3138.192423][ T73] addrconf_dad_begin+0x310/0x670 [ 3138.192423][ T73] addrconf_dad_work+0x10b/0xab0 [ 3138.192423][ T73] process_one_work+0x84d/0x18a0 [ 3138.192423][ T73] worker_thread+0x587/0xd30 [ 3138.192423][ T73] kthread+0x28a/0x350 [ 3138.192423][ T73] ret_from_fork+0x31/0x70 [ 3138.192423][ T73] ret_from_fork_asm+0x1a/0x30 [ 3138.192423][ T73] [ 3138.194334][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.194334][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.194334][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.194334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.194334][ T73] ip6_route_add+0x1c/0x140 [ 3138.194334][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3138.194334][ T73] inet6_addr_add+0x4f8/0xa40 [ 3138.194334][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.194334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.194334][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.194334][ T73] netlink_unicast+0x449/0x710 [ 3138.194334][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.194334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.194334][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.194334][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.194334][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.194334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.194334][ T73] [ 3138.196349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.196349][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.196349][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.196349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.196349][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3138.196349][ T73] ipv6_add_addr+0x411/0x2000 [ 3138.196349][ T73] inet6_addr_add+0x30e/0xa40 [ 3138.196349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.196349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.196349][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.196349][ T73] netlink_unicast+0x449/0x710 [ 3138.196349][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.196349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.196349][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.196349][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.196349][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.196349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.196349][ T73] [ 3138.198351][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.198351][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.198351][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.198351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.198351][ T73] ip6_route_add+0x1c/0x140 [ 3138.198351][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3138.198351][ T73] addrconf_add_dev+0xe2/0x170 [ 3138.198351][ T73] inet6_addr_add+0x12f/0xa40 [ 3138.198351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.198351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.198351][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.198351][ T73] netlink_unicast+0x449/0x710 [ 3138.198351][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.198351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.198351][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.198351][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.198351][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.198351][ T73] [ 3138.200315][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.200315][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3138.200315][ T73] ipv6_find_idev+0x102/0x170 [ 3138.200315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.200315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.200315][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.200315][ T73] netlink_unicast+0x449/0x710 [ 3138.200315][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.200315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.200315][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.200315][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.200315][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.200315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.200315][ T73] [ 3138.201855][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3138.201855][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3138.201855][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3138.201855][ T73] ipv6_find_idev+0x102/0x170 [ 3138.201855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.201855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.201855][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.201855][ T73] netlink_unicast+0x449/0x710 [ 3138.201855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.201855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.201855][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.201855][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.201855][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.201855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.201855][ T73] [ 3138.203673][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3138.203957][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.203957][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3138.203957][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3138.203957][ T73] fib6_nh_init+0xa22/0x1580 [ 3138.203957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.203957][ T73] ip6_route_add+0x1c/0x140 [ 3138.203957][ T73] inet6_rtm_newroute+0x104/0x110 [ 3138.203957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.203957][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.203957][ T73] netlink_unicast+0x449/0x710 [ 3138.203957][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.203957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.203957][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.203957][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.203957][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.203957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.203957][ T73] [ 3138.206156][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.206156][ T73] dst_init+0x84/0x4a0 [ 3138.206156][ T73] dst_alloc+0x97/0x150 [ 3138.206156][ T73] ip6_dst_alloc+0x23/0x90 [ 3138.206156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3138.206156][ T73] ip6_pol_route+0x56f/0x840 [ 3138.206156][ T73] fib6_rule_lookup+0x456/0x630 [ 3138.206156][ T73] ip6_route_input+0x59c/0xa50 [ 3138.206156][ T73] ipv6_rcv+0x397/0x810 [ 3138.206156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3138.206156][ T73] process_backlog+0x101/0x620 [ 3138.206156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3138.206156][ T73] net_rx_action+0x495/0xbe0 [ 3138.206156][ T73] __do_softirq+0x1b5/0x7f6 [ 3138.206156][ T73] [ 3138.207985][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.207985][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.207985][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.207985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.207985][ T73] ip6_route_add+0x1c/0x140 [ 3138.207985][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3138.207985][ T73] inet6_addr_add+0x4f8/0xa40 [ 3138.207985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.207985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.207985][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.207985][ T73] netlink_unicast+0x449/0x710 [ 3138.207985][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.207985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.207985][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.207985][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.207985][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.207985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.207985][ T73] [ 3138.210245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.210245][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.210245][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.210245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.210245][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3138.210245][ T73] ipv6_add_addr+0x411/0x2000 [ 3138.210245][ T73] inet6_addr_add+0x30e/0xa40 [ 3138.210245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.210245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.210245][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.210245][ T73] netlink_unicast+0x449/0x710 [ 3138.210245][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.210245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.210245][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.210245][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.210245][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.210245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.210245][ T73] [ 3138.212493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.212493][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.212493][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.212493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.212493][ T73] ip6_route_add+0x1c/0x140 [ 3138.212493][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3138.212493][ T73] addrconf_add_dev+0xe2/0x170 [ 3138.212493][ T73] inet6_addr_add+0x12f/0xa40 [ 3138.212493][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.212493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.212493][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.212493][ T73] netlink_unicast+0x449/0x710 [ 3138.212493][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.212493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.212493][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.212493][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.212493][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.212493][ T73] [ 3138.214715][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.214715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3138.214715][ T73] ipv6_find_idev+0x102/0x170 [ 3138.214715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.214715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.214715][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.214715][ T73] netlink_unicast+0x449/0x710 [ 3138.214715][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.214715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.214715][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.214715][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.214715][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.214715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.214715][ T73] [ 3138.216391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3138.216391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3138.216391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3138.216391][ T73] ipv6_find_idev+0x102/0x170 [ 3138.216391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.216391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.216391][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.216391][ T73] netlink_unicast+0x449/0x710 [ 3138.216391][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.216391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.216391][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.216391][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.216391][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.216391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.216391][ T73] [ 3138.218321][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3138.218593][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3138.218593][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.218593][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.218593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.218593][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3138.218593][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3138.218593][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3138.218593][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3138.218593][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3138.218593][ T73] addrconf_dad_begin+0x310/0x670 [ 3138.218593][ T73] addrconf_dad_work+0x10b/0xab0 [ 3138.218593][ T73] process_one_work+0x84d/0x18a0 [ 3138.218593][ T73] worker_thread+0x587/0xd30 [ 3138.218593][ T73] kthread+0x28a/0x350 [ 3138.218593][ T73] ret_from_fork+0x31/0x70 [ 3138.218593][ T73] ret_from_fork_asm+0x1a/0x30 [ 3138.218593][ T73] [ 3138.220883][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3138.220883][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.220883][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.220883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.220883][ T73] ip6_route_add+0x1c/0x140 [ 3138.220883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3138.220883][ T73] inet6_addr_add+0x4f8/0xa40 [ 3138.220883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.220883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.220883][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.220883][ T73] netlink_unicast+0x449/0x710 [ 3138.220883][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.220883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.220883][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.220883][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.220883][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.220883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.220883][ T73] [ 3138.223081][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3138.223081][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.223081][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.223081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.223081][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3138.223081][ T73] ipv6_add_addr+0x411/0x2000 [ 3138.223081][ T73] inet6_addr_add+0x30e/0xa40 [ 3138.223081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.223081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.223081][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.223081][ T73] netlink_unicast+0x449/0x710 [ 3138.223081][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.223081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.223081][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.223081][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.223081][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.223081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.223081][ T73] [ 3138.225403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3138.225403][ T73] netdev_get_by_index+0x5e/0x80 [ 3138.225403][ T73] fib6_nh_init+0x3d8/0x1580 [ 3138.225403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3138.225403][ T73] ip6_route_add+0x1c/0x140 [ 3138.225403][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3138.225403][ T73] addrconf_add_dev+0xe2/0x170 [ 3138.225403][ T73] inet6_addr_add+0x12f/0xa40 [ 3138.225403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3138.225403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.225403][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.225403][ T73] netlink_unicast+0x449/0x710 [ 3138.225403][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.225403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.225403][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.225403][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.225403][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.225403][ T73] [ 3138.227627][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3138.227627][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3138.227627][ T73] ipv6_find_idev+0x102/0x170 [ 3138.227627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.227627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.227627][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.227627][ T73] netlink_unicast+0x449/0x710 [ 3138.227627][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.227627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.227627][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.227627][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.227627][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.227627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.227627][ T73] [ 3138.229354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3138.229354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3138.229354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3138.229354][ T73] ipv6_find_idev+0x102/0x170 [ 3138.229354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3138.229354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3138.229354][ T73] netlink_rcv_skb+0x130/0x360 [ 3138.229354][ T73] netlink_unicast+0x449/0x710 [ 3138.229354][ T73] netlink_sendmsg+0x723/0xbe0 [ 3138.229354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3138.229354][ T73] ___sys_sendmsg+0xee/0x170 [ 3138.229354][ T73] __sys_sendmsg+0xcd/0x170 [ 3138.229354][ T73] do_syscall_64+0xc6/0x1e0 [ 3138.229354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3138.229354][ T73] [ 3148.470896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3148.471357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.471357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3148.471357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3148.471357][ T73] fib6_nh_init+0xa22/0x1580 [ 3148.471357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.471357][ T73] ip6_route_add+0x1c/0x140 [ 3148.471357][ T73] inet6_rtm_newroute+0x104/0x110 [ 3148.471357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.471357][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.471357][ T73] netlink_unicast+0x449/0x710 [ 3148.471357][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.471357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.471357][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.471357][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.471357][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.471357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.471357][ T73] [ 3148.473265][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.473265][ T73] dst_init+0x84/0x4a0 [ 3148.473265][ T73] dst_alloc+0x97/0x150 [ 3148.473265][ T73] ip6_dst_alloc+0x23/0x90 [ 3148.473265][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3148.473265][ T73] ip6_pol_route+0x56f/0x840 [ 3148.473265][ T73] fib6_rule_lookup+0x456/0x630 [ 3148.473265][ T73] ip6_route_input+0x59c/0xa50 [ 3148.473265][ T73] ipv6_rcv+0x397/0x810 [ 3148.473265][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3148.473265][ T73] process_backlog+0x101/0x620 [ 3148.473265][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3148.473265][ T73] net_rx_action+0x495/0xbe0 [ 3148.473265][ T73] __do_softirq+0x1b5/0x7f6 [ 3148.473265][ T73] [ 3148.474932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.474932][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.474932][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.474932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.474932][ T73] ip6_route_add+0x1c/0x140 [ 3148.474932][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3148.474932][ T73] inet6_addr_add+0x4f8/0xa40 [ 3148.474932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.474932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.474932][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.474932][ T73] netlink_unicast+0x449/0x710 [ 3148.474932][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.474932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.474932][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.474932][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.474932][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.474932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.474932][ T73] [ 3148.476951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.476951][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.476951][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.476951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.476951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3148.476951][ T73] ipv6_add_addr+0x411/0x2000 [ 3148.476951][ T73] inet6_addr_add+0x30e/0xa40 [ 3148.476951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.476951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.476951][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.476951][ T73] netlink_unicast+0x449/0x710 [ 3148.476951][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.476951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.476951][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.476951][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.476951][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.476951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.476951][ T73] [ 3148.478971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.478971][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.478971][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.478971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.478971][ T73] ip6_route_add+0x1c/0x140 [ 3148.478971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3148.478971][ T73] addrconf_add_dev+0xe2/0x170 [ 3148.478971][ T73] inet6_addr_add+0x12f/0xa40 [ 3148.478971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.478971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.478971][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.478971][ T73] netlink_unicast+0x449/0x710 [ 3148.478971][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.478971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.478971][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.478971][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.478971][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.478971][ T73] [ 3148.480961][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.480961][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3148.480961][ T73] ipv6_find_idev+0x102/0x170 [ 3148.480961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.480961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.480961][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.480961][ T73] netlink_unicast+0x449/0x710 [ 3148.480961][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.480961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.480961][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.480961][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.480961][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.480961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.480961][ T73] [ 3148.482508][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3148.482508][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3148.482508][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3148.482508][ T73] ipv6_find_idev+0x102/0x170 [ 3148.482508][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.482508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.482508][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.482508][ T73] netlink_unicast+0x449/0x710 [ 3148.482508][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.482508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.482508][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.482508][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.482508][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.482508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.482508][ T73] [ 3148.484222][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3148.484496][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.484496][ T73] dst_init+0x84/0x4a0 [ 3148.484496][ T73] dst_alloc+0x97/0x150 [ 3148.484496][ T73] ip6_dst_alloc+0x23/0x90 [ 3148.484496][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3148.484496][ T73] ip6_pol_route+0x56f/0x840 [ 3148.484496][ T73] fib6_rule_lookup+0x456/0x630 [ 3148.484496][ T73] ip6_route_input+0x59c/0xa50 [ 3148.484496][ T73] ipv6_rcv+0x397/0x810 [ 3148.484496][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3148.484496][ T73] process_backlog+0x101/0x620 [ 3148.484496][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3148.484496][ T73] net_rx_action+0x495/0xbe0 [ 3148.484496][ T73] __do_softirq+0x1b5/0x7f6 [ 3148.484496][ T73] [ 3148.486149][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.486149][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.486149][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.486149][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.486149][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3148.486149][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3148.486149][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3148.486149][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3148.486149][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3148.486149][ T73] addrconf_dad_begin+0x310/0x670 [ 3148.486149][ T73] addrconf_dad_work+0x10b/0xab0 [ 3148.486149][ T73] process_one_work+0x84d/0x18a0 [ 3148.486149][ T73] worker_thread+0x587/0xd30 [ 3148.486149][ T73] kthread+0x28a/0x350 [ 3148.486149][ T73] ret_from_fork+0x31/0x70 [ 3148.486149][ T73] ret_from_fork_asm+0x1a/0x30 [ 3148.486149][ T73] [ 3148.488068][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.488068][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.488068][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.488068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.488068][ T73] ip6_route_add+0x1c/0x140 [ 3148.488068][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3148.488068][ T73] inet6_addr_add+0x4f8/0xa40 [ 3148.488068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.488068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.488068][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.488068][ T73] netlink_unicast+0x449/0x710 [ 3148.488068][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.488068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.488068][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.488068][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.488068][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.488068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.488068][ T73] [ 3148.490074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.490074][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.490074][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.490074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.490074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3148.490074][ T73] ipv6_add_addr+0x411/0x2000 [ 3148.490074][ T73] inet6_addr_add+0x30e/0xa40 [ 3148.490074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.490074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.490074][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.490074][ T73] netlink_unicast+0x449/0x710 [ 3148.490074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.490074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.490074][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.490074][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.490074][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.490074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.490074][ T73] [ 3148.492082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.492082][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.492082][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.492082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.492082][ T73] ip6_route_add+0x1c/0x140 [ 3148.492082][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3148.492082][ T73] addrconf_add_dev+0xe2/0x170 [ 3148.492082][ T73] inet6_addr_add+0x12f/0xa40 [ 3148.492082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.492082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.492082][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.492082][ T73] netlink_unicast+0x449/0x710 [ 3148.492082][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.492082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.492082][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.492082][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.492082][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.492082][ T73] [ 3148.494057][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.494057][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3148.494057][ T73] ipv6_find_idev+0x102/0x170 [ 3148.494057][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.494057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.494057][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.494057][ T73] netlink_unicast+0x449/0x710 [ 3148.494057][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.494057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.494057][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.494057][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.494057][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.494057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.494057][ T73] [ 3148.495616][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3148.495616][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3148.495616][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3148.495616][ T73] ipv6_find_idev+0x102/0x170 [ 3148.495616][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.495616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.495616][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.495616][ T73] netlink_unicast+0x449/0x710 [ 3148.495616][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.495616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.495616][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.495616][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.495616][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.495616][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.495616][ T73] [ 3148.497455][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3148.497736][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.497736][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3148.497736][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3148.497736][ T73] fib6_nh_init+0xa22/0x1580 [ 3148.497736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.497736][ T73] ip6_route_add+0x1c/0x140 [ 3148.497736][ T73] inet6_rtm_newroute+0x104/0x110 [ 3148.497736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.497736][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.497736][ T73] netlink_unicast+0x449/0x710 [ 3148.497736][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.497736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.497736][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.497736][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.497736][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.497736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.497736][ T73] [ 3148.499946][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.499946][ T73] dst_init+0x84/0x4a0 [ 3148.499946][ T73] dst_alloc+0x97/0x150 [ 3148.499946][ T73] ip6_dst_alloc+0x23/0x90 [ 3148.499946][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3148.499946][ T73] ip6_pol_route+0x56f/0x840 [ 3148.499946][ T73] fib6_rule_lookup+0x456/0x630 [ 3148.499946][ T73] ip6_route_input+0x59c/0xa50 [ 3148.499946][ T73] ipv6_rcv+0x397/0x810 [ 3148.499946][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3148.499946][ T73] process_backlog+0x101/0x620 [ 3148.499946][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3148.499946][ T73] net_rx_action+0x495/0xbe0 [ 3148.499946][ T73] __do_softirq+0x1b5/0x7f6 [ 3148.499946][ T73] [ 3148.501770][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.501770][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.501770][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.501770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.501770][ T73] ip6_route_add+0x1c/0x140 [ 3148.501770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3148.501770][ T73] inet6_addr_add+0x4f8/0xa40 [ 3148.501770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.501770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.501770][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.501770][ T73] netlink_unicast+0x449/0x710 [ 3148.501770][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.501770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.501770][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.501770][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.501770][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.501770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.501770][ T73] [ 3148.504024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.504024][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.504024][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.504024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.504024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3148.504024][ T73] ipv6_add_addr+0x411/0x2000 [ 3148.504024][ T73] inet6_addr_add+0x30e/0xa40 [ 3148.504024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.504024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.504024][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.504024][ T73] netlink_unicast+0x449/0x710 [ 3148.504024][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.504024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.504024][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.504024][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.504024][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.504024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.504024][ T73] [ 3148.506309][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.506309][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.506309][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.506309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.506309][ T73] ip6_route_add+0x1c/0x140 [ 3148.506309][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3148.506309][ T73] addrconf_add_dev+0xe2/0x170 [ 3148.506309][ T73] inet6_addr_add+0x12f/0xa40 [ 3148.506309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.506309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.506309][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.506309][ T73] netlink_unicast+0x449/0x710 [ 3148.506309][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.506309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.506309][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.506309][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.506309][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.506309][ T73] [ 3148.508528][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.508528][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3148.508528][ T73] ipv6_find_idev+0x102/0x170 [ 3148.508528][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.508528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.508528][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.508528][ T73] netlink_unicast+0x449/0x710 [ 3148.508528][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.508528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.508528][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.508528][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.508528][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.508528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.508528][ T73] [ 3148.510261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3148.510261][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3148.510261][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3148.510261][ T73] ipv6_find_idev+0x102/0x170 [ 3148.510261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.510261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.510261][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.510261][ T73] netlink_unicast+0x449/0x710 [ 3148.510261][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.510261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.510261][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.510261][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.510261][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.510261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.510261][ T73] [ 3148.512193][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3148.512469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3148.512469][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.512469][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.512469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.512469][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3148.512469][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3148.512469][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3148.512469][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3148.512469][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3148.512469][ T73] addrconf_dad_begin+0x310/0x670 [ 3148.512469][ T73] addrconf_dad_work+0x10b/0xab0 [ 3148.512469][ T73] process_one_work+0x84d/0x18a0 [ 3148.512469][ T73] worker_thread+0x587/0xd30 [ 3148.512469][ T73] kthread+0x28a/0x350 [ 3148.512469][ T73] ret_from_fork+0x31/0x70 [ 3148.512469][ T73] ret_from_fork_asm+0x1a/0x30 [ 3148.512469][ T73] [ 3148.514636][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3148.514636][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.514636][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.514636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.514636][ T73] ip6_route_add+0x1c/0x140 [ 3148.514636][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3148.514636][ T73] inet6_addr_add+0x4f8/0xa40 [ 3148.514636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.514636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.514636][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.514636][ T73] netlink_unicast+0x449/0x710 [ 3148.514636][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.514636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.514636][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.514636][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.514636][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.514636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.514636][ T73] [ 3148.516832][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3148.516832][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.516832][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.516832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.516832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3148.516832][ T73] ipv6_add_addr+0x411/0x2000 [ 3148.516832][ T73] inet6_addr_add+0x30e/0xa40 [ 3148.516832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.516832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.516832][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.516832][ T73] netlink_unicast+0x449/0x710 [ 3148.516832][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.516832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.516832][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.516832][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.516832][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.516832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.516832][ T73] [ 3148.519141][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3148.519141][ T73] netdev_get_by_index+0x5e/0x80 [ 3148.519141][ T73] fib6_nh_init+0x3d8/0x1580 [ 3148.519141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3148.519141][ T73] ip6_route_add+0x1c/0x140 [ 3148.519141][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3148.519141][ T73] addrconf_add_dev+0xe2/0x170 [ 3148.519141][ T73] inet6_addr_add+0x12f/0xa40 [ 3148.519141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.519141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.519141][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.519141][ T73] netlink_unicast+0x449/0x710 [ 3148.519141][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.519141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.519141][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.519141][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.519141][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.519141][ T73] [ 3148.521359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3148.521359][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3148.521359][ T73] ipv6_find_idev+0x102/0x170 [ 3148.521359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.521359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.521359][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.521359][ T73] netlink_unicast+0x449/0x710 [ 3148.521359][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.521359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.521359][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.521359][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.521359][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.521359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.521359][ T73] [ 3148.523086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3148.523086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3148.523086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3148.523086][ T73] ipv6_find_idev+0x102/0x170 [ 3148.523086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.523086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.523086][ T73] netlink_rcv_skb+0x130/0x360 [ 3148.523086][ T73] netlink_unicast+0x449/0x710 [ 3148.523086][ T73] netlink_sendmsg+0x723/0xbe0 [ 3148.523086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3148.523086][ T73] ___sys_sendmsg+0xee/0x170 [ 3148.523086][ T73] __sys_sendmsg+0xcd/0x170 [ 3148.523086][ T73] do_syscall_64+0xc6/0x1e0 [ 3148.523086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.523086][ T73] [ 3158.766851][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3158.767321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.767321][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3158.767321][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3158.767321][ T73] fib6_nh_init+0xa22/0x1580 [ 3158.767321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.767321][ T73] ip6_route_add+0x1c/0x140 [ 3158.767321][ T73] inet6_rtm_newroute+0x104/0x110 [ 3158.767321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.767321][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.767321][ T73] netlink_unicast+0x449/0x710 [ 3158.767321][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.767321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.767321][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.767321][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.767321][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.767321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.767321][ T73] [ 3158.769224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.769224][ T73] dst_init+0x84/0x4a0 [ 3158.769224][ T73] dst_alloc+0x97/0x150 [ 3158.769224][ T73] ip6_dst_alloc+0x23/0x90 [ 3158.769224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3158.769224][ T73] ip6_pol_route+0x56f/0x840 [ 3158.769224][ T73] fib6_rule_lookup+0x456/0x630 [ 3158.769224][ T73] ip6_route_input+0x59c/0xa50 [ 3158.769224][ T73] ipv6_rcv+0x397/0x810 [ 3158.769224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3158.769224][ T73] process_backlog+0x101/0x620 [ 3158.769224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3158.769224][ T73] net_rx_action+0x495/0xbe0 [ 3158.769224][ T73] __do_softirq+0x1b5/0x7f6 [ 3158.769224][ T73] [ 3158.770863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.770863][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.770863][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.770863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.770863][ T73] ip6_route_add+0x1c/0x140 [ 3158.770863][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3158.770863][ T73] inet6_addr_add+0x4f8/0xa40 [ 3158.770863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.770863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.770863][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.770863][ T73] netlink_unicast+0x449/0x710 [ 3158.770863][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.770863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.770863][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.770863][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.770863][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.770863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.770863][ T73] [ 3158.772862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.772862][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.772862][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.772862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.772862][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3158.772862][ T73] ipv6_add_addr+0x411/0x2000 [ 3158.772862][ T73] inet6_addr_add+0x30e/0xa40 [ 3158.772862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.772862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.772862][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.772862][ T73] netlink_unicast+0x449/0x710 [ 3158.772862][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.772862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.772862][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.772862][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.772862][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.772862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.772862][ T73] [ 3158.774873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.774873][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.774873][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.774873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.774873][ T73] ip6_route_add+0x1c/0x140 [ 3158.774873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3158.774873][ T73] addrconf_add_dev+0xe2/0x170 [ 3158.774873][ T73] inet6_addr_add+0x12f/0xa40 [ 3158.774873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.774873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.774873][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.774873][ T73] netlink_unicast+0x449/0x710 [ 3158.774873][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.774873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.774873][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.774873][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.774873][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.774873][ T73] [ 3158.776844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.776844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3158.776844][ T73] ipv6_find_idev+0x102/0x170 [ 3158.776844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.776844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.776844][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.776844][ T73] netlink_unicast+0x449/0x710 [ 3158.776844][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.776844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.776844][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.776844][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.776844][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.776844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.776844][ T73] [ 3158.778376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3158.778376][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3158.778376][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3158.778376][ T73] ipv6_find_idev+0x102/0x170 [ 3158.778376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.778376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.778376][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.778376][ T73] netlink_unicast+0x449/0x710 [ 3158.778376][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.778376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.778376][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.778376][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.778376][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.778376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.778376][ T73] [ 3158.780060][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3158.780328][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.780328][ T73] dst_init+0x84/0x4a0 [ 3158.780328][ T73] dst_alloc+0x97/0x150 [ 3158.780328][ T73] ip6_dst_alloc+0x23/0x90 [ 3158.780328][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3158.780328][ T73] ip6_pol_route+0x56f/0x840 [ 3158.780328][ T73] fib6_rule_lookup+0x456/0x630 [ 3158.780328][ T73] ip6_route_input+0x59c/0xa50 [ 3158.780328][ T73] ipv6_rcv+0x397/0x810 [ 3158.780328][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3158.780328][ T73] process_backlog+0x101/0x620 [ 3158.780328][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3158.780328][ T73] net_rx_action+0x495/0xbe0 [ 3158.780328][ T73] __do_softirq+0x1b5/0x7f6 [ 3158.780328][ T73] [ 3158.781961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.781961][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.781961][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.781961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.781961][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3158.781961][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3158.781961][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3158.781961][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3158.781961][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3158.781961][ T73] addrconf_dad_begin+0x310/0x670 [ 3158.781961][ T73] addrconf_dad_work+0x10b/0xab0 [ 3158.781961][ T73] process_one_work+0x84d/0x18a0 [ 3158.781961][ T73] worker_thread+0x587/0xd30 [ 3158.781961][ T73] kthread+0x28a/0x350 [ 3158.781961][ T73] ret_from_fork+0x31/0x70 [ 3158.781961][ T73] ret_from_fork_asm+0x1a/0x30 [ 3158.781961][ T73] [ 3158.783874][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.783874][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.783874][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.783874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.783874][ T73] ip6_route_add+0x1c/0x140 [ 3158.783874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3158.783874][ T73] inet6_addr_add+0x4f8/0xa40 [ 3158.783874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.783874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.783874][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.783874][ T73] netlink_unicast+0x449/0x710 [ 3158.783874][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.783874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.783874][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.783874][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.783874][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.783874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.783874][ T73] [ 3158.785869][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.785869][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.785869][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.785869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.785869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3158.785869][ T73] ipv6_add_addr+0x411/0x2000 [ 3158.785869][ T73] inet6_addr_add+0x30e/0xa40 [ 3158.785869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.785869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.785869][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.785869][ T73] netlink_unicast+0x449/0x710 [ 3158.785869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.785869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.785869][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.785869][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.785869][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.785869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.785869][ T73] [ 3158.787859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.787859][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.787859][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.787859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.787859][ T73] ip6_route_add+0x1c/0x140 [ 3158.787859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3158.787859][ T73] addrconf_add_dev+0xe2/0x170 [ 3158.787859][ T73] inet6_addr_add+0x12f/0xa40 [ 3158.787859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.787859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.787859][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.787859][ T73] netlink_unicast+0x449/0x710 [ 3158.787859][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.787859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.787859][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.787859][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.787859][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.787859][ T73] [ 3158.789813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.789813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3158.789813][ T73] ipv6_find_idev+0x102/0x170 [ 3158.789813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.789813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.789813][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.789813][ T73] netlink_unicast+0x449/0x710 [ 3158.789813][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.789813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.789813][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.789813][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.789813][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.789813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.789813][ T73] [ 3158.791346][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3158.791346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3158.791346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3158.791346][ T73] ipv6_find_idev+0x102/0x170 [ 3158.791346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.791346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.791346][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.791346][ T73] netlink_unicast+0x449/0x710 [ 3158.791346][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.791346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.791346][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.791346][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.791346][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.791346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.791346][ T73] [ 3158.793135][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3158.793405][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.793405][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3158.793405][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3158.793405][ T73] fib6_nh_init+0xa22/0x1580 [ 3158.793405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.793405][ T73] ip6_route_add+0x1c/0x140 [ 3158.793405][ T73] inet6_rtm_newroute+0x104/0x110 [ 3158.793405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.793405][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.793405][ T73] netlink_unicast+0x449/0x710 [ 3158.793405][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.793405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.793405][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.793405][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.793405][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.793405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.793405][ T73] [ 3158.795587][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.795587][ T73] dst_init+0x84/0x4a0 [ 3158.795587][ T73] dst_alloc+0x97/0x150 [ 3158.795587][ T73] ip6_dst_alloc+0x23/0x90 [ 3158.795587][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3158.795587][ T73] ip6_pol_route+0x56f/0x840 [ 3158.795587][ T73] fib6_rule_lookup+0x456/0x630 [ 3158.795587][ T73] ip6_route_input+0x59c/0xa50 [ 3158.795587][ T73] ipv6_rcv+0x397/0x810 [ 3158.795587][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3158.795587][ T73] process_backlog+0x101/0x620 [ 3158.795587][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3158.795587][ T73] net_rx_action+0x495/0xbe0 [ 3158.795587][ T73] __do_softirq+0x1b5/0x7f6 [ 3158.795587][ T73] [ 3158.797411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.797411][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.797411][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.797411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.797411][ T73] ip6_route_add+0x1c/0x140 [ 3158.797411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3158.797411][ T73] inet6_addr_add+0x4f8/0xa40 [ 3158.797411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.797411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.797411][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.797411][ T73] netlink_unicast+0x449/0x710 [ 3158.797411][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.797411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.797411][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.797411][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.797411][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.797411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.797411][ T73] [ 3158.799640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.799640][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.799640][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.799640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.799640][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3158.799640][ T73] ipv6_add_addr+0x411/0x2000 [ 3158.799640][ T73] inet6_addr_add+0x30e/0xa40 [ 3158.799640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.799640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.799640][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.799640][ T73] netlink_unicast+0x449/0x710 [ 3158.799640][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.799640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.799640][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.799640][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.799640][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.799640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.799640][ T73] [ 3158.801872][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.801872][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.801872][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.801872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.801872][ T73] ip6_route_add+0x1c/0x140 [ 3158.801872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3158.801872][ T73] addrconf_add_dev+0xe2/0x170 [ 3158.801872][ T73] inet6_addr_add+0x12f/0xa40 [ 3158.801872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.801872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.801872][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.801872][ T73] netlink_unicast+0x449/0x710 [ 3158.801872][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.801872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.801872][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.801872][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.801872][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.801872][ T73] [ 3158.804132][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.804132][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3158.804132][ T73] ipv6_find_idev+0x102/0x170 [ 3158.804132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.804132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.804132][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.804132][ T73] netlink_unicast+0x449/0x710 [ 3158.804132][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.804132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.804132][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.804132][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.804132][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.804132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.804132][ T73] [ 3158.805865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3158.805865][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3158.805865][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3158.805865][ T73] ipv6_find_idev+0x102/0x170 [ 3158.805865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.805865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.805865][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.805865][ T73] netlink_unicast+0x449/0x710 [ 3158.805865][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.805865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.805865][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.805865][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.805865][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.805865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.805865][ T73] [ 3158.807737][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3158.808020][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3158.808020][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.808020][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.808020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.808020][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3158.808020][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3158.808020][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3158.808020][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3158.808020][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3158.808020][ T73] addrconf_dad_begin+0x310/0x670 [ 3158.808020][ T73] addrconf_dad_work+0x10b/0xab0 [ 3158.808020][ T73] process_one_work+0x84d/0x18a0 [ 3158.808020][ T73] worker_thread+0x587/0xd30 [ 3158.808020][ T73] kthread+0x28a/0x350 [ 3158.808020][ T73] ret_from_fork+0x31/0x70 [ 3158.808020][ T73] ret_from_fork_asm+0x1a/0x30 [ 3158.808020][ T73] [ 3158.810162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3158.810162][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.810162][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.810162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.810162][ T73] ip6_route_add+0x1c/0x140 [ 3158.810162][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3158.810162][ T73] inet6_addr_add+0x4f8/0xa40 [ 3158.810162][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.810162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.810162][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.810162][ T73] netlink_unicast+0x449/0x710 [ 3158.810162][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.810162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.810162][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.810162][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.810162][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.810162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.810162][ T73] [ 3158.812390][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3158.812390][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.812390][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.812390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.812390][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3158.812390][ T73] ipv6_add_addr+0x411/0x2000 [ 3158.812390][ T73] inet6_addr_add+0x30e/0xa40 [ 3158.812390][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.812390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.812390][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.812390][ T73] netlink_unicast+0x449/0x710 [ 3158.812390][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.812390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.812390][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.812390][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.812390][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.812390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.812390][ T73] [ 3158.814683][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3158.814683][ T73] netdev_get_by_index+0x5e/0x80 [ 3158.814683][ T73] fib6_nh_init+0x3d8/0x1580 [ 3158.814683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3158.814683][ T73] ip6_route_add+0x1c/0x140 [ 3158.814683][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3158.814683][ T73] addrconf_add_dev+0xe2/0x170 [ 3158.814683][ T73] inet6_addr_add+0x12f/0xa40 [ 3158.814683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.814683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.814683][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.814683][ T73] netlink_unicast+0x449/0x710 [ 3158.814683][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.814683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.814683][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.814683][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.814683][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.814683][ T73] [ 3158.816820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3158.816820][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3158.816820][ T73] ipv6_find_idev+0x102/0x170 [ 3158.816820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.816820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.816820][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.816820][ T73] netlink_unicast+0x449/0x710 [ 3158.816820][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.816820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.816820][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.816820][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.816820][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.816820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.816820][ T73] [ 3158.818537][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3158.818537][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3158.818537][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3158.818537][ T73] ipv6_find_idev+0x102/0x170 [ 3158.818537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.818537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.818537][ T73] netlink_rcv_skb+0x130/0x360 [ 3158.818537][ T73] netlink_unicast+0x449/0x710 [ 3158.818537][ T73] netlink_sendmsg+0x723/0xbe0 [ 3158.818537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3158.818537][ T73] ___sys_sendmsg+0xee/0x170 [ 3158.818537][ T73] __sys_sendmsg+0xcd/0x170 [ 3158.818537][ T73] do_syscall_64+0xc6/0x1e0 [ 3158.818537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.818537][ T73] [ 3169.062854][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3169.063236][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.063236][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3169.063236][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3169.063236][ T73] fib6_nh_init+0xa22/0x1580 [ 3169.063236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.063236][ T73] ip6_route_add+0x1c/0x140 [ 3169.063236][ T73] inet6_rtm_newroute+0x104/0x110 [ 3169.063236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.063236][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.063236][ T73] netlink_unicast+0x449/0x710 [ 3169.063236][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.063236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.063236][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.063236][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.063236][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.063236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.063236][ T73] [ 3169.065241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.065241][ T73] dst_init+0x84/0x4a0 [ 3169.065241][ T73] dst_alloc+0x97/0x150 [ 3169.065241][ T73] ip6_dst_alloc+0x23/0x90 [ 3169.065241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3169.065241][ T73] ip6_pol_route+0x56f/0x840 [ 3169.065241][ T73] fib6_rule_lookup+0x456/0x630 [ 3169.065241][ T73] ip6_route_input+0x59c/0xa50 [ 3169.065241][ T73] ipv6_rcv+0x397/0x810 [ 3169.065241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3169.065241][ T73] process_backlog+0x101/0x620 [ 3169.065241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3169.065241][ T73] net_rx_action+0x495/0xbe0 [ 3169.065241][ T73] __do_softirq+0x1b5/0x7f6 [ 3169.065241][ T73] [ 3169.066899][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.066899][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.066899][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.066899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.066899][ T73] ip6_route_add+0x1c/0x140 [ 3169.066899][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3169.066899][ T73] inet6_addr_add+0x4f8/0xa40 [ 3169.066899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.066899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.066899][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.066899][ T73] netlink_unicast+0x449/0x710 [ 3169.066899][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.066899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.066899][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.066899][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.066899][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.066899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.066899][ T73] [ 3169.068894][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.068894][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.068894][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.068894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.068894][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3169.068894][ T73] ipv6_add_addr+0x411/0x2000 [ 3169.068894][ T73] inet6_addr_add+0x30e/0xa40 [ 3169.068894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.068894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.068894][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.068894][ T73] netlink_unicast+0x449/0x710 [ 3169.068894][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.068894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.068894][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.068894][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.068894][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.068894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.068894][ T73] [ 3169.070898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.070898][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.070898][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.070898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.070898][ T73] ip6_route_add+0x1c/0x140 [ 3169.070898][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3169.070898][ T73] addrconf_add_dev+0xe2/0x170 [ 3169.070898][ T73] inet6_addr_add+0x12f/0xa40 [ 3169.070898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.070898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.070898][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.070898][ T73] netlink_unicast+0x449/0x710 [ 3169.070898][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.070898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.070898][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.070898][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.070898][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.070898][ T73] [ 3169.072857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.072857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3169.072857][ T73] ipv6_find_idev+0x102/0x170 [ 3169.072857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.072857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.072857][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.072857][ T73] netlink_unicast+0x449/0x710 [ 3169.072857][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.072857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.072857][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.072857][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.072857][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.072857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.072857][ T73] [ 3169.074387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3169.074387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3169.074387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3169.074387][ T73] ipv6_find_idev+0x102/0x170 [ 3169.074387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.074387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.074387][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.074387][ T73] netlink_unicast+0x449/0x710 [ 3169.074387][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.074387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.074387][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.074387][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.074387][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.074387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.074387][ T73] [ 3169.076457][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3169.076732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.076732][ T73] dst_init+0x84/0x4a0 [ 3169.076732][ T73] dst_alloc+0x97/0x150 [ 3169.076732][ T73] ip6_dst_alloc+0x23/0x90 [ 3169.076732][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3169.076732][ T73] ip6_pol_route+0x56f/0x840 [ 3169.076732][ T73] fib6_rule_lookup+0x456/0x630 [ 3169.076732][ T73] ip6_route_input+0x59c/0xa50 [ 3169.076732][ T73] ipv6_rcv+0x397/0x810 [ 3169.076732][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3169.076732][ T73] process_backlog+0x101/0x620 [ 3169.076732][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3169.076732][ T73] net_rx_action+0x495/0xbe0 [ 3169.076732][ T73] __do_softirq+0x1b5/0x7f6 [ 3169.076732][ T73] [ 3169.078361][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.078361][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.078361][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.078361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.078361][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3169.078361][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3169.078361][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3169.078361][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3169.078361][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3169.078361][ T73] addrconf_dad_begin+0x310/0x670 [ 3169.078361][ T73] addrconf_dad_work+0x10b/0xab0 [ 3169.078361][ T73] process_one_work+0x84d/0x18a0 [ 3169.078361][ T73] worker_thread+0x587/0xd30 [ 3169.078361][ T73] kthread+0x28a/0x350 [ 3169.078361][ T73] ret_from_fork+0x31/0x70 [ 3169.078361][ T73] ret_from_fork_asm+0x1a/0x30 [ 3169.078361][ T73] [ 3169.080264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.080264][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.080264][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.080264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.080264][ T73] ip6_route_add+0x1c/0x140 [ 3169.080264][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3169.080264][ T73] inet6_addr_add+0x4f8/0xa40 [ 3169.080264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.080264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.080264][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.080264][ T73] netlink_unicast+0x449/0x710 [ 3169.080264][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.080264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.080264][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.080264][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.080264][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.080264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.080264][ T73] [ 3169.082294][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.082294][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.082294][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.082294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.082294][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3169.082294][ T73] ipv6_add_addr+0x411/0x2000 [ 3169.082294][ T73] inet6_addr_add+0x30e/0xa40 [ 3169.082294][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.082294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.082294][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.082294][ T73] netlink_unicast+0x449/0x710 [ 3169.082294][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.082294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.082294][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.082294][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.082294][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.082294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.082294][ T73] [ 3169.084291][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.084291][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.084291][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.084291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.084291][ T73] ip6_route_add+0x1c/0x140 [ 3169.084291][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3169.084291][ T73] addrconf_add_dev+0xe2/0x170 [ 3169.084291][ T73] inet6_addr_add+0x12f/0xa40 [ 3169.084291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.084291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.084291][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.084291][ T73] netlink_unicast+0x449/0x710 [ 3169.084291][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.084291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.084291][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.084291][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.084291][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.084291][ T73] [ 3169.086301][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.086301][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3169.086301][ T73] ipv6_find_idev+0x102/0x170 [ 3169.086301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.086301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.086301][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.086301][ T73] netlink_unicast+0x449/0x710 [ 3169.086301][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.086301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.086301][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.086301][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.086301][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.086301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.086301][ T73] [ 3169.087831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3169.087831][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3169.087831][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3169.087831][ T73] ipv6_find_idev+0x102/0x170 [ 3169.087831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.087831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.087831][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.087831][ T73] netlink_unicast+0x449/0x710 [ 3169.087831][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.087831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.087831][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.087831][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.087831][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.087831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.087831][ T73] [ 3169.089652][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3169.089996][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.089996][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3169.089996][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3169.089996][ T73] fib6_nh_init+0xa22/0x1580 [ 3169.089996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.089996][ T73] ip6_route_add+0x1c/0x140 [ 3169.089996][ T73] inet6_rtm_newroute+0x104/0x110 [ 3169.089996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.089996][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.089996][ T73] netlink_unicast+0x449/0x710 [ 3169.089996][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.089996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.089996][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.089996][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.089996][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.089996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.089996][ T73] [ 3169.092053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.092053][ T73] dst_init+0x84/0x4a0 [ 3169.092053][ T73] dst_alloc+0x97/0x150 [ 3169.092053][ T73] ip6_dst_alloc+0x23/0x90 [ 3169.092053][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3169.092053][ T73] ip6_pol_route+0x56f/0x840 [ 3169.092053][ T73] fib6_rule_lookup+0x456/0x630 [ 3169.092053][ T73] ip6_route_input+0x59c/0xa50 [ 3169.092053][ T73] ipv6_rcv+0x397/0x810 [ 3169.092053][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3169.092053][ T73] process_backlog+0x101/0x620 [ 3169.092053][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3169.092053][ T73] net_rx_action+0x495/0xbe0 [ 3169.092053][ T73] __do_softirq+0x1b5/0x7f6 [ 3169.092053][ T73] [ 3169.093867][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.093867][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.093867][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.093867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.093867][ T73] ip6_route_add+0x1c/0x140 [ 3169.093867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3169.093867][ T73] inet6_addr_add+0x4f8/0xa40 [ 3169.093867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.093867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.093867][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.093867][ T73] netlink_unicast+0x449/0x710 [ 3169.093867][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.093867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.093867][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.093867][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.093867][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.093867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.093867][ T73] [ 3169.096172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.096172][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.096172][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.096172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.096172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3169.096172][ T73] ipv6_add_addr+0x411/0x2000 [ 3169.096172][ T73] inet6_addr_add+0x30e/0xa40 [ 3169.096172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.096172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.096172][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.096172][ T73] netlink_unicast+0x449/0x710 [ 3169.096172][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.096172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.096172][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.096172][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.096172][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.096172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.096172][ T73] [ 3169.098401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.098401][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.098401][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.098401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.098401][ T73] ip6_route_add+0x1c/0x140 [ 3169.098401][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3169.098401][ T73] addrconf_add_dev+0xe2/0x170 [ 3169.098401][ T73] inet6_addr_add+0x12f/0xa40 [ 3169.098401][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.098401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.098401][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.098401][ T73] netlink_unicast+0x449/0x710 [ 3169.098401][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.098401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.098401][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.098401][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.098401][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.098401][ T73] [ 3169.100606][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.100606][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3169.100606][ T73] ipv6_find_idev+0x102/0x170 [ 3169.100606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.100606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.100606][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.100606][ T73] netlink_unicast+0x449/0x710 [ 3169.100606][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.100606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.100606][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.100606][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.100606][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.100606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.100606][ T73] [ 3169.102345][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3169.102345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3169.102345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3169.102345][ T73] ipv6_find_idev+0x102/0x170 [ 3169.102345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.102345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.102345][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.102345][ T73] netlink_unicast+0x449/0x710 [ 3169.102345][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.102345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.102345][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.102345][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.102345][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.102345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.102345][ T73] [ 3169.104280][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3169.104549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3169.104549][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.104549][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.104549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.104549][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3169.104549][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3169.104549][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3169.104549][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3169.104549][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3169.104549][ T73] addrconf_dad_begin+0x310/0x670 [ 3169.104549][ T73] addrconf_dad_work+0x10b/0xab0 [ 3169.104549][ T73] process_one_work+0x84d/0x18a0 [ 3169.104549][ T73] worker_thread+0x587/0xd30 [ 3169.104549][ T73] kthread+0x28a/0x350 [ 3169.104549][ T73] ret_from_fork+0x31/0x70 [ 3169.104549][ T73] ret_from_fork_asm+0x1a/0x30 [ 3169.104549][ T73] [ 3169.106727][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3169.106727][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.106727][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.106727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.106727][ T73] ip6_route_add+0x1c/0x140 [ 3169.106727][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3169.106727][ T73] inet6_addr_add+0x4f8/0xa40 [ 3169.106727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.106727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.106727][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.106727][ T73] netlink_unicast+0x449/0x710 [ 3169.106727][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.106727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.106727][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.106727][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.106727][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.106727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.106727][ T73] [ 3169.108973][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3169.108973][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.108973][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.108973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.108973][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3169.108973][ T73] ipv6_add_addr+0x411/0x2000 [ 3169.108973][ T73] inet6_addr_add+0x30e/0xa40 [ 3169.108973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.108973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.108973][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.108973][ T73] netlink_unicast+0x449/0x710 [ 3169.108973][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.108973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.108973][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.108973][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.108973][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.108973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.108973][ T73] [ 3169.111214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3169.111214][ T73] netdev_get_by_index+0x5e/0x80 [ 3169.111214][ T73] fib6_nh_init+0x3d8/0x1580 [ 3169.111214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3169.111214][ T73] ip6_route_add+0x1c/0x140 [ 3169.111214][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3169.111214][ T73] addrconf_add_dev+0xe2/0x170 [ 3169.111214][ T73] inet6_addr_add+0x12f/0xa40 [ 3169.111214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3169.111214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.111214][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.111214][ T73] netlink_unicast+0x449/0x710 [ 3169.111214][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.111214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.111214][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.111214][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.111214][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.111214][ T73] [ 3169.113374][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3169.113374][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3169.113374][ T73] ipv6_find_idev+0x102/0x170 [ 3169.113374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.113374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.113374][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.113374][ T73] netlink_unicast+0x449/0x710 [ 3169.113374][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.113374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.113374][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.113374][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.113374][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.113374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.113374][ T73] [ 3169.115166][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3169.115166][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3169.115166][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3169.115166][ T73] ipv6_find_idev+0x102/0x170 [ 3169.115166][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3169.115166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3169.115166][ T73] netlink_rcv_skb+0x130/0x360 [ 3169.115166][ T73] netlink_unicast+0x449/0x710 [ 3169.115166][ T73] netlink_sendmsg+0x723/0xbe0 [ 3169.115166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3169.115166][ T73] ___sys_sendmsg+0xee/0x170 [ 3169.115166][ T73] __sys_sendmsg+0xcd/0x170 [ 3169.115166][ T73] do_syscall_64+0xc6/0x1e0 [ 3169.115166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3169.115166][ T73] [ 3179.358890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3179.359343][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.359343][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3179.359343][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3179.359343][ T73] fib6_nh_init+0xa22/0x1580 [ 3179.359343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.359343][ T73] ip6_route_add+0x1c/0x140 [ 3179.359343][ T73] inet6_rtm_newroute+0x104/0x110 [ 3179.359343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.359343][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.359343][ T73] netlink_unicast+0x449/0x710 [ 3179.359343][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.359343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.359343][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.359343][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.359343][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.359343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.359343][ T73] [ 3179.361255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.361255][ T73] dst_init+0x84/0x4a0 [ 3179.361255][ T73] dst_alloc+0x97/0x150 [ 3179.361255][ T73] ip6_dst_alloc+0x23/0x90 [ 3179.361255][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3179.361255][ T73] ip6_pol_route+0x56f/0x840 [ 3179.361255][ T73] fib6_rule_lookup+0x456/0x630 [ 3179.361255][ T73] ip6_route_input+0x59c/0xa50 [ 3179.361255][ T73] ipv6_rcv+0x397/0x810 [ 3179.361255][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3179.361255][ T73] process_backlog+0x101/0x620 [ 3179.361255][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3179.361255][ T73] net_rx_action+0x495/0xbe0 [ 3179.361255][ T73] __do_softirq+0x1b5/0x7f6 [ 3179.361255][ T73] [ 3179.362893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.362893][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.362893][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.362893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.362893][ T73] ip6_route_add+0x1c/0x140 [ 3179.362893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3179.362893][ T73] inet6_addr_add+0x4f8/0xa40 [ 3179.362893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.362893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.362893][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.362893][ T73] netlink_unicast+0x449/0x710 [ 3179.362893][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.362893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.362893][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.362893][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.362893][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.362893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.362893][ T73] [ 3179.364887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.364887][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.364887][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.364887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.364887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3179.364887][ T73] ipv6_add_addr+0x411/0x2000 [ 3179.364887][ T73] inet6_addr_add+0x30e/0xa40 [ 3179.364887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.364887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.364887][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.364887][ T73] netlink_unicast+0x449/0x710 [ 3179.364887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.364887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.364887][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.364887][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.364887][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.364887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.364887][ T73] [ 3179.366892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.366892][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.366892][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.366892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.366892][ T73] ip6_route_add+0x1c/0x140 [ 3179.366892][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3179.366892][ T73] addrconf_add_dev+0xe2/0x170 [ 3179.366892][ T73] inet6_addr_add+0x12f/0xa40 [ 3179.366892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.366892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.366892][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.366892][ T73] netlink_unicast+0x449/0x710 [ 3179.366892][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.366892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.366892][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.366892][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.366892][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.366892][ T73] [ 3179.368850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.368850][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3179.368850][ T73] ipv6_find_idev+0x102/0x170 [ 3179.368850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.368850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.368850][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.368850][ T73] netlink_unicast+0x449/0x710 [ 3179.368850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.368850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.368850][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.368850][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.368850][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.368850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.368850][ T73] [ 3179.370395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3179.370395][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3179.370395][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3179.370395][ T73] ipv6_find_idev+0x102/0x170 [ 3179.370395][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.370395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.370395][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.370395][ T73] netlink_unicast+0x449/0x710 [ 3179.370395][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.370395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.370395][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.370395][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.370395][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.370395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.370395][ T73] [ 3179.372092][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3179.372363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.372363][ T73] dst_init+0x84/0x4a0 [ 3179.372363][ T73] dst_alloc+0x97/0x150 [ 3179.372363][ T73] ip6_dst_alloc+0x23/0x90 [ 3179.372363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3179.372363][ T73] ip6_pol_route+0x56f/0x840 [ 3179.372363][ T73] fib6_rule_lookup+0x456/0x630 [ 3179.372363][ T73] ip6_route_input+0x59c/0xa50 [ 3179.372363][ T73] ipv6_rcv+0x397/0x810 [ 3179.372363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3179.372363][ T73] process_backlog+0x101/0x620 [ 3179.372363][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3179.372363][ T73] net_rx_action+0x495/0xbe0 [ 3179.372363][ T73] __do_softirq+0x1b5/0x7f6 [ 3179.372363][ T73] [ 3179.374003][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.374003][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.374003][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.374003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.374003][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3179.374003][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3179.374003][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3179.374003][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3179.374003][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3179.374003][ T73] addrconf_dad_begin+0x310/0x670 [ 3179.374003][ T73] addrconf_dad_work+0x10b/0xab0 [ 3179.374003][ T73] process_one_work+0x84d/0x18a0 [ 3179.374003][ T73] worker_thread+0x587/0xd30 [ 3179.374003][ T73] kthread+0x28a/0x350 [ 3179.374003][ T73] ret_from_fork+0x31/0x70 [ 3179.374003][ T73] ret_from_fork_asm+0x1a/0x30 [ 3179.374003][ T73] [ 3179.375910][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.375910][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.375910][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.375910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.375910][ T73] ip6_route_add+0x1c/0x140 [ 3179.375910][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3179.375910][ T73] inet6_addr_add+0x4f8/0xa40 [ 3179.375910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.375910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.375910][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.375910][ T73] netlink_unicast+0x449/0x710 [ 3179.375910][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.375910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.375910][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.375910][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.375910][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.375910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.375910][ T73] [ 3179.377907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.377907][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.377907][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.377907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.377907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3179.377907][ T73] ipv6_add_addr+0x411/0x2000 [ 3179.377907][ T73] inet6_addr_add+0x30e/0xa40 [ 3179.377907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.377907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.377907][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.377907][ T73] netlink_unicast+0x449/0x710 [ 3179.377907][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.377907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.377907][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.377907][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.377907][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.377907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.377907][ T73] [ 3179.379896][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.379896][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.379896][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.379896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.379896][ T73] ip6_route_add+0x1c/0x140 [ 3179.379896][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3179.379896][ T73] addrconf_add_dev+0xe2/0x170 [ 3179.379896][ T73] inet6_addr_add+0x12f/0xa40 [ 3179.379896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.379896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.379896][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.379896][ T73] netlink_unicast+0x449/0x710 [ 3179.379896][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.379896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.379896][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.379896][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.379896][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.379896][ T73] [ 3179.381850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.381850][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3179.381850][ T73] ipv6_find_idev+0x102/0x170 [ 3179.381850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.381850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.381850][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.381850][ T73] netlink_unicast+0x449/0x710 [ 3179.381850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.381850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.381850][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.381850][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.381850][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.381850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.381850][ T73] [ 3179.383384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3179.383384][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3179.383384][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3179.383384][ T73] ipv6_find_idev+0x102/0x170 [ 3179.383384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.383384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.383384][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.383384][ T73] netlink_unicast+0x449/0x710 [ 3179.383384][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.383384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.383384][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.383384][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.383384][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.383384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.383384][ T73] [ 3179.385187][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3179.385454][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.385454][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3179.385454][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3179.385454][ T73] fib6_nh_init+0xa22/0x1580 [ 3179.385454][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.385454][ T73] ip6_route_add+0x1c/0x140 [ 3179.385454][ T73] inet6_rtm_newroute+0x104/0x110 [ 3179.385454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.385454][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.385454][ T73] netlink_unicast+0x449/0x710 [ 3179.385454][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.385454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.385454][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.385454][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.385454][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.385454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.385454][ T73] [ 3179.387593][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.387593][ T73] dst_init+0x84/0x4a0 [ 3179.387593][ T73] dst_alloc+0x97/0x150 [ 3179.387593][ T73] ip6_dst_alloc+0x23/0x90 [ 3179.387593][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3179.387593][ T73] ip6_pol_route+0x56f/0x840 [ 3179.387593][ T73] fib6_rule_lookup+0x456/0x630 [ 3179.387593][ T73] ip6_route_input+0x59c/0xa50 [ 3179.387593][ T73] ipv6_rcv+0x397/0x810 [ 3179.387593][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3179.387593][ T73] process_backlog+0x101/0x620 [ 3179.387593][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3179.387593][ T73] net_rx_action+0x495/0xbe0 [ 3179.387593][ T73] __do_softirq+0x1b5/0x7f6 [ 3179.387593][ T73] [ 3179.389405][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.389405][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.389405][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.389405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.389405][ T73] ip6_route_add+0x1c/0x140 [ 3179.389405][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3179.389405][ T73] inet6_addr_add+0x4f8/0xa40 [ 3179.389405][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.389405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.389405][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.389405][ T73] netlink_unicast+0x449/0x710 [ 3179.389405][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.389405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.389405][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.389405][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.389405][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.389405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.389405][ T73] [ 3179.391648][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.391648][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.391648][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.391648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.391648][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3179.391648][ T73] ipv6_add_addr+0x411/0x2000 [ 3179.391648][ T73] inet6_addr_add+0x30e/0xa40 [ 3179.391648][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.391648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.391648][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.391648][ T73] netlink_unicast+0x449/0x710 [ 3179.391648][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.391648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.391648][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.391648][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.391648][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.391648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.391648][ T73] [ 3179.393889][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.393889][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.393889][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.393889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.393889][ T73] ip6_route_add+0x1c/0x140 [ 3179.393889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3179.393889][ T73] addrconf_add_dev+0xe2/0x170 [ 3179.393889][ T73] inet6_addr_add+0x12f/0xa40 [ 3179.393889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.393889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.393889][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.393889][ T73] netlink_unicast+0x449/0x710 [ 3179.393889][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.393889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.393889][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.393889][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.393889][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.393889][ T73] [ 3179.396157][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.396157][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3179.396157][ T73] ipv6_find_idev+0x102/0x170 [ 3179.396157][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.396157][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.396157][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.396157][ T73] netlink_unicast+0x449/0x710 [ 3179.396157][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.396157][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.396157][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.396157][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.396157][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.396157][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.396157][ T73] [ 3179.397893][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3179.397893][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3179.397893][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3179.397893][ T73] ipv6_find_idev+0x102/0x170 [ 3179.397893][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.397893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.397893][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.397893][ T73] netlink_unicast+0x449/0x710 [ 3179.397893][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.397893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.397893][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.397893][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.397893][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.397893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.397893][ T73] [ 3179.399748][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3179.400450][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3179.400450][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.400450][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.400450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.400450][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3179.400450][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3179.400450][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3179.400450][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3179.400450][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3179.400450][ T73] addrconf_dad_begin+0x310/0x670 [ 3179.400450][ T73] addrconf_dad_work+0x10b/0xab0 [ 3179.400450][ T73] process_one_work+0x84d/0x18a0 [ 3179.400450][ T73] worker_thread+0x587/0xd30 [ 3179.400450][ T73] kthread+0x28a/0x350 [ 3179.400450][ T73] ret_from_fork+0x31/0x70 [ 3179.400450][ T73] ret_from_fork_asm+0x1a/0x30 [ 3179.400450][ T73] [ 3179.402352][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3179.402352][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.402352][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.402352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.402352][ T73] ip6_route_add+0x1c/0x140 [ 3179.402352][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3179.402352][ T73] inet6_addr_add+0x4f8/0xa40 [ 3179.402352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.402352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.402352][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.402352][ T73] netlink_unicast+0x449/0x710 [ 3179.402352][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.402352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.402352][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.402352][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.402352][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.402352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.402352][ T73] [ 3179.404450][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3179.404450][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.404450][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.404450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.404450][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3179.404450][ T73] ipv6_add_addr+0x411/0x2000 [ 3179.404450][ T73] inet6_addr_add+0x30e/0xa40 [ 3179.404450][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.404450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.404450][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.404450][ T73] netlink_unicast+0x449/0x710 [ 3179.404450][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.404450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.404450][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.404450][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.404450][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.404450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.404450][ T73] [ 3179.406701][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3179.406701][ T73] netdev_get_by_index+0x5e/0x80 [ 3179.406701][ T73] fib6_nh_init+0x3d8/0x1580 [ 3179.406701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3179.406701][ T73] ip6_route_add+0x1c/0x140 [ 3179.406701][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3179.406701][ T73] addrconf_add_dev+0xe2/0x170 [ 3179.406701][ T73] inet6_addr_add+0x12f/0xa40 [ 3179.406701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.406701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.406701][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.406701][ T73] netlink_unicast+0x449/0x710 [ 3179.406701][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.406701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.406701][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.406701][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.406701][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.406701][ T73] [ 3179.408900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3179.408900][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3179.408900][ T73] ipv6_find_idev+0x102/0x170 [ 3179.408900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.408900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.408900][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.408900][ T73] netlink_unicast+0x449/0x710 [ 3179.408900][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.408900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.408900][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.408900][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.408900][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.408900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.408900][ T73] [ 3179.410617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3179.410617][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3179.410617][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3179.410617][ T73] ipv6_find_idev+0x102/0x170 [ 3179.410617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.410617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.410617][ T73] netlink_rcv_skb+0x130/0x360 [ 3179.410617][ T73] netlink_unicast+0x449/0x710 [ 3179.410617][ T73] netlink_sendmsg+0x723/0xbe0 [ 3179.410617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3179.410617][ T73] ___sys_sendmsg+0xee/0x170 [ 3179.410617][ T73] __sys_sendmsg+0xcd/0x170 [ 3179.410617][ T73] do_syscall_64+0xc6/0x1e0 [ 3179.410617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.410617][ T73] [ 3189.654892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3189.655283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.655283][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3189.655283][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3189.655283][ T73] fib6_nh_init+0xa22/0x1580 [ 3189.655283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.655283][ T73] ip6_route_add+0x1c/0x140 [ 3189.655283][ T73] inet6_rtm_newroute+0x104/0x110 [ 3189.655283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.655283][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.655283][ T73] netlink_unicast+0x449/0x710 [ 3189.655283][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.655283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.655283][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.655283][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.655283][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.655283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.655283][ T73] [ 3189.657193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.657193][ T73] dst_init+0x84/0x4a0 [ 3189.657193][ T73] dst_alloc+0x97/0x150 [ 3189.657193][ T73] ip6_dst_alloc+0x23/0x90 [ 3189.657193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3189.657193][ T73] ip6_pol_route+0x56f/0x840 [ 3189.657193][ T73] fib6_rule_lookup+0x456/0x630 [ 3189.657193][ T73] ip6_route_input+0x59c/0xa50 [ 3189.657193][ T73] ipv6_rcv+0x397/0x810 [ 3189.657193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3189.657193][ T73] process_backlog+0x101/0x620 [ 3189.657193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3189.657193][ T73] net_rx_action+0x495/0xbe0 [ 3189.657193][ T73] __do_softirq+0x1b5/0x7f6 [ 3189.657193][ T73] [ 3189.658822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.658822][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.658822][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.658822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.658822][ T73] ip6_route_add+0x1c/0x140 [ 3189.658822][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3189.658822][ T73] inet6_addr_add+0x4f8/0xa40 [ 3189.658822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.658822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.658822][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.658822][ T73] netlink_unicast+0x449/0x710 [ 3189.658822][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.658822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.658822][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.658822][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.658822][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.658822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.658822][ T73] [ 3189.660811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.660811][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.660811][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.660811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.660811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3189.660811][ T73] ipv6_add_addr+0x411/0x2000 [ 3189.660811][ T73] inet6_addr_add+0x30e/0xa40 [ 3189.660811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.660811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.660811][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.660811][ T73] netlink_unicast+0x449/0x710 [ 3189.660811][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.660811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.660811][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.660811][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.660811][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.660811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.660811][ T73] [ 3189.662809][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.662809][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.662809][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.662809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.662809][ T73] ip6_route_add+0x1c/0x140 [ 3189.662809][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3189.662809][ T73] addrconf_add_dev+0xe2/0x170 [ 3189.662809][ T73] inet6_addr_add+0x12f/0xa40 [ 3189.662809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.662809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.662809][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.662809][ T73] netlink_unicast+0x449/0x710 [ 3189.662809][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.662809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.662809][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.662809][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.662809][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.662809][ T73] [ 3189.664759][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.664759][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3189.664759][ T73] ipv6_find_idev+0x102/0x170 [ 3189.664759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.664759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.664759][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.664759][ T73] netlink_unicast+0x449/0x710 [ 3189.664759][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.664759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.664759][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.664759][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.664759][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.664759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.664759][ T73] [ 3189.666295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3189.666295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3189.666295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3189.666295][ T73] ipv6_find_idev+0x102/0x170 [ 3189.666295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.666295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.666295][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.666295][ T73] netlink_unicast+0x449/0x710 [ 3189.666295][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.666295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.666295][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.666295][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.666295][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.666295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.666295][ T73] [ 3189.667974][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3189.668251][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.668251][ T73] dst_init+0x84/0x4a0 [ 3189.668251][ T73] dst_alloc+0x97/0x150 [ 3189.668251][ T73] ip6_dst_alloc+0x23/0x90 [ 3189.668251][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3189.668251][ T73] ip6_pol_route+0x56f/0x840 [ 3189.668251][ T73] fib6_rule_lookup+0x456/0x630 [ 3189.668251][ T73] ip6_route_input+0x59c/0xa50 [ 3189.668251][ T73] ipv6_rcv+0x397/0x810 [ 3189.668251][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3189.668251][ T73] process_backlog+0x101/0x620 [ 3189.668251][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3189.668251][ T73] net_rx_action+0x495/0xbe0 [ 3189.668251][ T73] __do_softirq+0x1b5/0x7f6 [ 3189.668251][ T73] [ 3189.669884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.669884][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.669884][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.669884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.669884][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3189.669884][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3189.669884][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3189.669884][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3189.669884][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3189.669884][ T73] addrconf_dad_begin+0x310/0x670 [ 3189.669884][ T73] addrconf_dad_work+0x10b/0xab0 [ 3189.669884][ T73] process_one_work+0x84d/0x18a0 [ 3189.669884][ T73] worker_thread+0x587/0xd30 [ 3189.669884][ T73] kthread+0x28a/0x350 [ 3189.669884][ T73] ret_from_fork+0x31/0x70 [ 3189.669884][ T73] ret_from_fork_asm+0x1a/0x30 [ 3189.669884][ T73] [ 3189.671782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.671782][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.671782][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.671782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.671782][ T73] ip6_route_add+0x1c/0x140 [ 3189.671782][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3189.671782][ T73] inet6_addr_add+0x4f8/0xa40 [ 3189.671782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.671782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.671782][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.671782][ T73] netlink_unicast+0x449/0x710 [ 3189.671782][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.671782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.671782][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.671782][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.671782][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.671782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.671782][ T73] [ 3189.673759][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.673759][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.673759][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.673759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.673759][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3189.673759][ T73] ipv6_add_addr+0x411/0x2000 [ 3189.673759][ T73] inet6_addr_add+0x30e/0xa40 [ 3189.673759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.673759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.673759][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.673759][ T73] netlink_unicast+0x449/0x710 [ 3189.673759][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.673759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.673759][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.673759][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.673759][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.673759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.673759][ T73] [ 3189.676276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.676276][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.676276][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.676276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.676276][ T73] ip6_route_add+0x1c/0x140 [ 3189.676276][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3189.676276][ T73] addrconf_add_dev+0xe2/0x170 [ 3189.676276][ T73] inet6_addr_add+0x12f/0xa40 [ 3189.676276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.676276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.676276][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.676276][ T73] netlink_unicast+0x449/0x710 [ 3189.676276][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.676276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.676276][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.676276][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.676276][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.676276][ T73] [ 3189.678247][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.678247][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3189.678247][ T73] ipv6_find_idev+0x102/0x170 [ 3189.678247][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.678247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.678247][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.678247][ T73] netlink_unicast+0x449/0x710 [ 3189.678247][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.678247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.678247][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.678247][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.678247][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.678247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.678247][ T73] [ 3189.679780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3189.679780][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3189.679780][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3189.679780][ T73] ipv6_find_idev+0x102/0x170 [ 3189.679780][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.679780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.679780][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.679780][ T73] netlink_unicast+0x449/0x710 [ 3189.679780][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.679780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.679780][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.679780][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.679780][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.679780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.679780][ T73] [ 3189.681574][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3189.681916][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.681916][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3189.681916][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3189.681916][ T73] fib6_nh_init+0xa22/0x1580 [ 3189.681916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.681916][ T73] ip6_route_add+0x1c/0x140 [ 3189.681916][ T73] inet6_rtm_newroute+0x104/0x110 [ 3189.681916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.681916][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.681916][ T73] netlink_unicast+0x449/0x710 [ 3189.681916][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.681916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.681916][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.681916][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.681916][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.681916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.681916][ T73] [ 3189.683962][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.683962][ T73] dst_init+0x84/0x4a0 [ 3189.683962][ T73] dst_alloc+0x97/0x150 [ 3189.683962][ T73] ip6_dst_alloc+0x23/0x90 [ 3189.683962][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3189.683962][ T73] ip6_pol_route+0x56f/0x840 [ 3189.683962][ T73] fib6_rule_lookup+0x456/0x630 [ 3189.683962][ T73] ip6_route_input+0x59c/0xa50 [ 3189.683962][ T73] ipv6_rcv+0x397/0x810 [ 3189.683962][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3189.683962][ T73] process_backlog+0x101/0x620 [ 3189.683962][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3189.683962][ T73] net_rx_action+0x495/0xbe0 [ 3189.683962][ T73] __do_softirq+0x1b5/0x7f6 [ 3189.683962][ T73] [ 3189.685777][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.685777][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.685777][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.685777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.685777][ T73] ip6_route_add+0x1c/0x140 [ 3189.685777][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3189.685777][ T73] inet6_addr_add+0x4f8/0xa40 [ 3189.685777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.685777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.685777][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.685777][ T73] netlink_unicast+0x449/0x710 [ 3189.685777][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.685777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.685777][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.685777][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.685777][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.685777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.685777][ T73] [ 3189.688453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.688453][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.688453][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.688453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.688453][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3189.688453][ T73] ipv6_add_addr+0x411/0x2000 [ 3189.688453][ T73] inet6_addr_add+0x30e/0xa40 [ 3189.688453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.688453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.688453][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.688453][ T73] netlink_unicast+0x449/0x710 [ 3189.688453][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.688453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.688453][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.688453][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.688453][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.688453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.688453][ T73] [ 3189.690682][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.690682][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.690682][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.690682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.690682][ T73] ip6_route_add+0x1c/0x140 [ 3189.690682][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3189.690682][ T73] addrconf_add_dev+0xe2/0x170 [ 3189.690682][ T73] inet6_addr_add+0x12f/0xa40 [ 3189.690682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.690682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.690682][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.690682][ T73] netlink_unicast+0x449/0x710 [ 3189.690682][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.690682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.690682][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.690682][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.690682][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.690682][ T73] [ 3189.692884][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.692884][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3189.692884][ T73] ipv6_find_idev+0x102/0x170 [ 3189.692884][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.692884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.692884][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.692884][ T73] netlink_unicast+0x449/0x710 [ 3189.692884][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.692884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.692884][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.692884][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.692884][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.692884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.692884][ T73] [ 3189.694598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3189.694598][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3189.694598][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3189.694598][ T73] ipv6_find_idev+0x102/0x170 [ 3189.694598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.694598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.694598][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.694598][ T73] netlink_unicast+0x449/0x710 [ 3189.694598][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.694598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.694598][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.694598][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.694598][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.694598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.694598][ T73] [ 3189.696465][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3189.696734][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3189.696734][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.696734][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.696734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.696734][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3189.696734][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3189.696734][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3189.696734][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3189.696734][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3189.696734][ T73] addrconf_dad_begin+0x310/0x670 [ 3189.696734][ T73] addrconf_dad_work+0x10b/0xab0 [ 3189.696734][ T73] process_one_work+0x84d/0x18a0 [ 3189.696734][ T73] worker_thread+0x587/0xd30 [ 3189.696734][ T73] kthread+0x28a/0x350 [ 3189.696734][ T73] ret_from_fork+0x31/0x70 [ 3189.696734][ T73] ret_from_fork_asm+0x1a/0x30 [ 3189.696734][ T73] [ 3189.698938][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3189.698938][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.698938][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.698938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.698938][ T73] ip6_route_add+0x1c/0x140 [ 3189.698938][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3189.698938][ T73] inet6_addr_add+0x4f8/0xa40 [ 3189.698938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.698938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.698938][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.698938][ T73] netlink_unicast+0x449/0x710 [ 3189.698938][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.698938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.698938][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.698938][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.698938][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.698938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.698938][ T73] [ 3189.701166][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3189.701166][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.701166][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.701166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.701166][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3189.701166][ T73] ipv6_add_addr+0x411/0x2000 [ 3189.701166][ T73] inet6_addr_add+0x30e/0xa40 [ 3189.701166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.701166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.701166][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.701166][ T73] netlink_unicast+0x449/0x710 [ 3189.701166][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.701166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.701166][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.701166][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.701166][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.701166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.701166][ T73] [ 3189.703390][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3189.703390][ T73] netdev_get_by_index+0x5e/0x80 [ 3189.703390][ T73] fib6_nh_init+0x3d8/0x1580 [ 3189.703390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3189.703390][ T73] ip6_route_add+0x1c/0x140 [ 3189.703390][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3189.703390][ T73] addrconf_add_dev+0xe2/0x170 [ 3189.703390][ T73] inet6_addr_add+0x12f/0xa40 [ 3189.703390][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.703390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.703390][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.703390][ T73] netlink_unicast+0x449/0x710 [ 3189.703390][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.703390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.703390][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.703390][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.703390][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.703390][ T73] [ 3189.705512][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3189.705512][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3189.705512][ T73] ipv6_find_idev+0x102/0x170 [ 3189.705512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.705512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.705512][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.705512][ T73] netlink_unicast+0x449/0x710 [ 3189.705512][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.705512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.705512][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.705512][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.705512][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.705512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.705512][ T73] [ 3189.707298][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3189.707298][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3189.707298][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3189.707298][ T73] ipv6_find_idev+0x102/0x170 [ 3189.707298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.707298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.707298][ T73] netlink_rcv_skb+0x130/0x360 [ 3189.707298][ T73] netlink_unicast+0x449/0x710 [ 3189.707298][ T73] netlink_sendmsg+0x723/0xbe0 [ 3189.707298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3189.707298][ T73] ___sys_sendmsg+0xee/0x170 [ 3189.707298][ T73] __sys_sendmsg+0xcd/0x170 [ 3189.707298][ T73] do_syscall_64+0xc6/0x1e0 [ 3189.707298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.707298][ T73] [ 3199.950826][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3199.951311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.951311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3199.951311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3199.951311][ T73] fib6_nh_init+0xa22/0x1580 [ 3199.951311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.951311][ T73] ip6_route_add+0x1c/0x140 [ 3199.951311][ T73] inet6_rtm_newroute+0x104/0x110 [ 3199.951311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.951311][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.951311][ T73] netlink_unicast+0x449/0x710 [ 3199.951311][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.951311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.951311][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.951311][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.951311][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.951311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.951311][ T73] [ 3199.953193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.953193][ T73] dst_init+0x84/0x4a0 [ 3199.953193][ T73] dst_alloc+0x97/0x150 [ 3199.953193][ T73] ip6_dst_alloc+0x23/0x90 [ 3199.953193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3199.953193][ T73] ip6_pol_route+0x56f/0x840 [ 3199.953193][ T73] fib6_rule_lookup+0x456/0x630 [ 3199.953193][ T73] ip6_route_input+0x59c/0xa50 [ 3199.953193][ T73] ipv6_rcv+0x397/0x810 [ 3199.953193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3199.953193][ T73] process_backlog+0x101/0x620 [ 3199.953193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3199.953193][ T73] net_rx_action+0x495/0xbe0 [ 3199.953193][ T73] __do_softirq+0x1b5/0x7f6 [ 3199.953193][ T73] [ 3199.954830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.954830][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.954830][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.954830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.954830][ T73] ip6_route_add+0x1c/0x140 [ 3199.954830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3199.954830][ T73] inet6_addr_add+0x4f8/0xa40 [ 3199.954830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.954830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.954830][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.954830][ T73] netlink_unicast+0x449/0x710 [ 3199.954830][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.954830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.954830][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.954830][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.954830][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.954830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.954830][ T73] [ 3199.956849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.956849][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.956849][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.956849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.956849][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3199.956849][ T73] ipv6_add_addr+0x411/0x2000 [ 3199.956849][ T73] inet6_addr_add+0x30e/0xa40 [ 3199.956849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.956849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.956849][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.956849][ T73] netlink_unicast+0x449/0x710 [ 3199.956849][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.956849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.956849][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.956849][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.956849][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.956849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.956849][ T73] [ 3199.958835][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.958835][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.958835][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.958835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.958835][ T73] ip6_route_add+0x1c/0x140 [ 3199.958835][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3199.958835][ T73] addrconf_add_dev+0xe2/0x170 [ 3199.958835][ T73] inet6_addr_add+0x12f/0xa40 [ 3199.958835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.958835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.958835][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.958835][ T73] netlink_unicast+0x449/0x710 [ 3199.958835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.958835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.958835][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.958835][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.958835][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.958835][ T73] [ 3199.961176][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.961176][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3199.961176][ T73] ipv6_find_idev+0x102/0x170 [ 3199.961176][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.961176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.961176][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.961176][ T73] netlink_unicast+0x449/0x710 [ 3199.961176][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.961176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.961176][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.961176][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.961176][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.961176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.961176][ T73] [ 3199.962704][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3199.962704][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3199.962704][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3199.962704][ T73] ipv6_find_idev+0x102/0x170 [ 3199.962704][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.962704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.962704][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.962704][ T73] netlink_unicast+0x449/0x710 [ 3199.962704][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.962704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.962704][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.962704][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.962704][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.962704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.962704][ T73] [ 3199.964386][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3199.964665][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.964665][ T73] dst_init+0x84/0x4a0 [ 3199.964665][ T73] dst_alloc+0x97/0x150 [ 3199.964665][ T73] ip6_dst_alloc+0x23/0x90 [ 3199.964665][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3199.964665][ T73] ip6_pol_route+0x56f/0x840 [ 3199.964665][ T73] fib6_rule_lookup+0x456/0x630 [ 3199.964665][ T73] ip6_route_input+0x59c/0xa50 [ 3199.964665][ T73] ipv6_rcv+0x397/0x810 [ 3199.964665][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3199.964665][ T73] process_backlog+0x101/0x620 [ 3199.964665][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3199.964665][ T73] net_rx_action+0x495/0xbe0 [ 3199.964665][ T73] __do_softirq+0x1b5/0x7f6 [ 3199.964665][ T73] [ 3199.966306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.966306][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.966306][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.966306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.966306][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3199.966306][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3199.966306][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3199.966306][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3199.966306][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3199.966306][ T73] addrconf_dad_begin+0x310/0x670 [ 3199.966306][ T73] addrconf_dad_work+0x10b/0xab0 [ 3199.966306][ T73] process_one_work+0x84d/0x18a0 [ 3199.966306][ T73] worker_thread+0x587/0xd30 [ 3199.966306][ T73] kthread+0x28a/0x350 [ 3199.966306][ T73] ret_from_fork+0x31/0x70 [ 3199.966306][ T73] ret_from_fork_asm+0x1a/0x30 [ 3199.966306][ T73] [ 3199.968195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.968195][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.968195][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.968195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.968195][ T73] ip6_route_add+0x1c/0x140 [ 3199.968195][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3199.968195][ T73] inet6_addr_add+0x4f8/0xa40 [ 3199.968195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.968195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.968195][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.968195][ T73] netlink_unicast+0x449/0x710 [ 3199.968195][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.968195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.968195][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.968195][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.968195][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.968195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.968195][ T73] [ 3199.970187][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.970187][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.970187][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.970187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.970187][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3199.970187][ T73] ipv6_add_addr+0x411/0x2000 [ 3199.970187][ T73] inet6_addr_add+0x30e/0xa40 [ 3199.970187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.970187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.970187][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.970187][ T73] netlink_unicast+0x449/0x710 [ 3199.970187][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.970187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.970187][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.970187][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.970187][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.970187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.970187][ T73] [ 3199.972171][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.972171][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.972171][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.972171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.972171][ T73] ip6_route_add+0x1c/0x140 [ 3199.972171][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3199.972171][ T73] addrconf_add_dev+0xe2/0x170 [ 3199.972171][ T73] inet6_addr_add+0x12f/0xa40 [ 3199.972171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.972171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.972171][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.972171][ T73] netlink_unicast+0x449/0x710 [ 3199.972171][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.972171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.972171][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.972171][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.972171][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.972171][ T73] [ 3199.974119][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.974119][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3199.974119][ T73] ipv6_find_idev+0x102/0x170 [ 3199.974119][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.974119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.974119][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.974119][ T73] netlink_unicast+0x449/0x710 [ 3199.974119][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.974119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.974119][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.974119][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.974119][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.974119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.974119][ T73] [ 3199.975678][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3199.975678][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3199.975678][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3199.975678][ T73] ipv6_find_idev+0x102/0x170 [ 3199.975678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.975678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.975678][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.975678][ T73] netlink_unicast+0x449/0x710 [ 3199.975678][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.975678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.975678][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.975678][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.975678][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.975678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.975678][ T73] [ 3199.977400][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3199.977662][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.977662][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3199.977662][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3199.977662][ T73] fib6_nh_init+0xa22/0x1580 [ 3199.977662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.977662][ T73] ip6_route_add+0x1c/0x140 [ 3199.977662][ T73] inet6_rtm_newroute+0x104/0x110 [ 3199.977662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.977662][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.977662][ T73] netlink_unicast+0x449/0x710 [ 3199.977662][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.977662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.977662][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.977662][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.977662][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.977662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.977662][ T73] [ 3199.979828][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.979828][ T73] dst_init+0x84/0x4a0 [ 3199.979828][ T73] dst_alloc+0x97/0x150 [ 3199.979828][ T73] ip6_dst_alloc+0x23/0x90 [ 3199.979828][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3199.979828][ T73] ip6_pol_route+0x56f/0x840 [ 3199.979828][ T73] fib6_rule_lookup+0x456/0x630 [ 3199.979828][ T73] ip6_route_input+0x59c/0xa50 [ 3199.979828][ T73] ipv6_rcv+0x397/0x810 [ 3199.979828][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3199.979828][ T73] process_backlog+0x101/0x620 [ 3199.979828][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3199.979828][ T73] net_rx_action+0x495/0xbe0 [ 3199.979828][ T73] __do_softirq+0x1b5/0x7f6 [ 3199.979828][ T73] [ 3199.981650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.981650][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.981650][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.981650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.981650][ T73] ip6_route_add+0x1c/0x140 [ 3199.981650][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3199.981650][ T73] inet6_addr_add+0x4f8/0xa40 [ 3199.981650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.981650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.981650][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.981650][ T73] netlink_unicast+0x449/0x710 [ 3199.981650][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.981650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.981650][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.981650][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.981650][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.981650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.981650][ T73] [ 3199.983873][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.983873][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.983873][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.983873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.983873][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3199.983873][ T73] ipv6_add_addr+0x411/0x2000 [ 3199.983873][ T73] inet6_addr_add+0x30e/0xa40 [ 3199.983873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.983873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.983873][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.983873][ T73] netlink_unicast+0x449/0x710 [ 3199.983873][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.983873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.983873][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.983873][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.983873][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.983873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.983873][ T73] [ 3199.986107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.986107][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.986107][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.986107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.986107][ T73] ip6_route_add+0x1c/0x140 [ 3199.986107][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3199.986107][ T73] addrconf_add_dev+0xe2/0x170 [ 3199.986107][ T73] inet6_addr_add+0x12f/0xa40 [ 3199.986107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.986107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.986107][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.986107][ T73] netlink_unicast+0x449/0x710 [ 3199.986107][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.986107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.986107][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.986107][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.986107][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.986107][ T73] [ 3199.988358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.988358][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3199.988358][ T73] ipv6_find_idev+0x102/0x170 [ 3199.988358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.988358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.988358][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.988358][ T73] netlink_unicast+0x449/0x710 [ 3199.988358][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.988358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.988358][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.988358][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.988358][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.988358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.988358][ T73] [ 3199.990074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3199.990074][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3199.990074][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3199.990074][ T73] ipv6_find_idev+0x102/0x170 [ 3199.990074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.990074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.990074][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.990074][ T73] netlink_unicast+0x449/0x710 [ 3199.990074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.990074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.990074][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.990074][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.990074][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.990074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.990074][ T73] [ 3199.991927][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3199.992193][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3199.992193][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.992193][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.992193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.992193][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3199.992193][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3199.992193][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3199.992193][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3199.992193][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3199.992193][ T73] addrconf_dad_begin+0x310/0x670 [ 3199.992193][ T73] addrconf_dad_work+0x10b/0xab0 [ 3199.992193][ T73] process_one_work+0x84d/0x18a0 [ 3199.992193][ T73] worker_thread+0x587/0xd30 [ 3199.992193][ T73] kthread+0x28a/0x350 [ 3199.992193][ T73] ret_from_fork+0x31/0x70 [ 3199.992193][ T73] ret_from_fork_asm+0x1a/0x30 [ 3199.992193][ T73] [ 3199.994354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3199.994354][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.994354][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.994354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.994354][ T73] ip6_route_add+0x1c/0x140 [ 3199.994354][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3199.994354][ T73] inet6_addr_add+0x4f8/0xa40 [ 3199.994354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.994354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.994354][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.994354][ T73] netlink_unicast+0x449/0x710 [ 3199.994354][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.994354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.994354][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.994354][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.994354][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.994354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.994354][ T73] [ 3199.996639][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3199.996639][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.996639][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.996639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.996639][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3199.996639][ T73] ipv6_add_addr+0x411/0x2000 [ 3199.996639][ T73] inet6_addr_add+0x30e/0xa40 [ 3199.996639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.996639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.996639][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.996639][ T73] netlink_unicast+0x449/0x710 [ 3199.996639][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.996639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.996639][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.996639][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.996639][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.996639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.996639][ T73] [ 3199.998854][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3199.998854][ T73] netdev_get_by_index+0x5e/0x80 [ 3199.998854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3199.998854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3199.998854][ T73] ip6_route_add+0x1c/0x140 [ 3199.998854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3199.998854][ T73] addrconf_add_dev+0xe2/0x170 [ 3199.998854][ T73] inet6_addr_add+0x12f/0xa40 [ 3199.998854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.998854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.998854][ T73] netlink_rcv_skb+0x130/0x360 [ 3199.998854][ T73] netlink_unicast+0x449/0x710 [ 3199.998854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3199.998854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3199.998854][ T73] ___sys_sendmsg+0xee/0x170 [ 3199.998854][ T73] __sys_sendmsg+0xcd/0x170 [ 3199.998854][ T73] do_syscall_64+0xc6/0x1e0 [ 3199.998854][ T73] [ 3200.000986][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3200.000986][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3200.000986][ T73] ipv6_find_idev+0x102/0x170 [ 3200.000986][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.000986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.000986][ T73] netlink_rcv_skb+0x130/0x360 [ 3200.000986][ T73] netlink_unicast+0x449/0x710 [ 3200.000986][ T73] netlink_sendmsg+0x723/0xbe0 [ 3200.000986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3200.000986][ T73] ___sys_sendmsg+0xee/0x170 [ 3200.000986][ T73] __sys_sendmsg+0xcd/0x170 [ 3200.000986][ T73] do_syscall_64+0xc6/0x1e0 [ 3200.000986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.000986][ T73] [ 3200.002689][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3200.002689][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3200.002689][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3200.002689][ T73] ipv6_find_idev+0x102/0x170 [ 3200.002689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.002689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.002689][ T73] netlink_rcv_skb+0x130/0x360 [ 3200.002689][ T73] netlink_unicast+0x449/0x710 [ 3200.002689][ T73] netlink_sendmsg+0x723/0xbe0 [ 3200.002689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3200.002689][ T73] ___sys_sendmsg+0xee/0x170 [ 3200.002689][ T73] __sys_sendmsg+0xcd/0x170 [ 3200.002689][ T73] do_syscall_64+0xc6/0x1e0 [ 3200.002689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.002689][ T73] [ 3210.054883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3210.055331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.055331][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3210.055331][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3210.055331][ T73] fib6_nh_init+0xa22/0x1580 [ 3210.055331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.055331][ T73] ip6_route_add+0x1c/0x140 [ 3210.055331][ T73] inet6_rtm_newroute+0x104/0x110 [ 3210.055331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.055331][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.055331][ T73] netlink_unicast+0x449/0x710 [ 3210.055331][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.055331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.055331][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.055331][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.055331][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.055331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.055331][ T73] [ 3210.057222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.057222][ T73] dst_init+0x84/0x4a0 [ 3210.057222][ T73] dst_alloc+0x97/0x150 [ 3210.057222][ T73] ip6_dst_alloc+0x23/0x90 [ 3210.057222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3210.057222][ T73] ip6_pol_route+0x56f/0x840 [ 3210.057222][ T73] fib6_rule_lookup+0x456/0x630 [ 3210.057222][ T73] ip6_route_input+0x59c/0xa50 [ 3210.057222][ T73] ipv6_rcv+0x397/0x810 [ 3210.057222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3210.057222][ T73] process_backlog+0x101/0x620 [ 3210.057222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3210.057222][ T73] net_rx_action+0x495/0xbe0 [ 3210.057222][ T73] __do_softirq+0x1b5/0x7f6 [ 3210.057222][ T73] [ 3210.058859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.058859][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.058859][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.058859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.058859][ T73] ip6_route_add+0x1c/0x140 [ 3210.058859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3210.058859][ T73] inet6_addr_add+0x4f8/0xa40 [ 3210.058859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.058859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.058859][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.058859][ T73] netlink_unicast+0x449/0x710 [ 3210.058859][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.058859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.058859][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.058859][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.058859][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.058859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.058859][ T73] [ 3210.060853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.060853][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.060853][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.060853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.060853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3210.060853][ T73] ipv6_add_addr+0x411/0x2000 [ 3210.060853][ T73] inet6_addr_add+0x30e/0xa40 [ 3210.060853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.060853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.060853][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.060853][ T73] netlink_unicast+0x449/0x710 [ 3210.060853][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.060853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.060853][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.060853][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.060853][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.060853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.060853][ T73] [ 3210.062853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.062853][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.062853][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.062853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.062853][ T73] ip6_route_add+0x1c/0x140 [ 3210.062853][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3210.062853][ T73] addrconf_add_dev+0xe2/0x170 [ 3210.062853][ T73] inet6_addr_add+0x12f/0xa40 [ 3210.062853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.062853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.062853][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.062853][ T73] netlink_unicast+0x449/0x710 [ 3210.062853][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.062853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.062853][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.062853][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.062853][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.062853][ T73] [ 3210.064801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.064801][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3210.064801][ T73] ipv6_find_idev+0x102/0x170 [ 3210.064801][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.064801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.064801][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.064801][ T73] netlink_unicast+0x449/0x710 [ 3210.064801][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.064801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.064801][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.064801][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.064801][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.064801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.064801][ T73] [ 3210.066339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3210.066339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3210.066339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3210.066339][ T73] ipv6_find_idev+0x102/0x170 [ 3210.066339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.066339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.066339][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.066339][ T73] netlink_unicast+0x449/0x710 [ 3210.066339][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.066339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.066339][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.066339][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.066339][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.066339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.066339][ T73] [ 3210.068015][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3210.068279][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.068279][ T73] dst_init+0x84/0x4a0 [ 3210.068279][ T73] dst_alloc+0x97/0x150 [ 3210.068279][ T73] ip6_dst_alloc+0x23/0x90 [ 3210.068279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3210.068279][ T73] ip6_pol_route+0x56f/0x840 [ 3210.068279][ T73] fib6_rule_lookup+0x456/0x630 [ 3210.068279][ T73] ip6_route_input+0x59c/0xa50 [ 3210.068279][ T73] ipv6_rcv+0x397/0x810 [ 3210.068279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3210.068279][ T73] process_backlog+0x101/0x620 [ 3210.068279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3210.068279][ T73] net_rx_action+0x495/0xbe0 [ 3210.068279][ T73] __do_softirq+0x1b5/0x7f6 [ 3210.068279][ T73] [ 3210.069906][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.069906][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.069906][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.069906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.069906][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3210.069906][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3210.069906][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3210.069906][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3210.069906][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3210.069906][ T73] addrconf_dad_begin+0x310/0x670 [ 3210.069906][ T73] addrconf_dad_work+0x10b/0xab0 [ 3210.069906][ T73] process_one_work+0x84d/0x18a0 [ 3210.069906][ T73] worker_thread+0x587/0xd30 [ 3210.069906][ T73] kthread+0x28a/0x350 [ 3210.069906][ T73] ret_from_fork+0x31/0x70 [ 3210.069906][ T73] ret_from_fork_asm+0x1a/0x30 [ 3210.069906][ T73] [ 3210.071795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.071795][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.071795][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.071795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.071795][ T73] ip6_route_add+0x1c/0x140 [ 3210.071795][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3210.071795][ T73] inet6_addr_add+0x4f8/0xa40 [ 3210.071795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.071795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.071795][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.071795][ T73] netlink_unicast+0x449/0x710 [ 3210.071795][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.071795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.071795][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.071795][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.071795][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.071795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.071795][ T73] [ 3210.073780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.073780][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.073780][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.073780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.073780][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3210.073780][ T73] ipv6_add_addr+0x411/0x2000 [ 3210.073780][ T73] inet6_addr_add+0x30e/0xa40 [ 3210.073780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.073780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.073780][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.073780][ T73] netlink_unicast+0x449/0x710 [ 3210.073780][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.073780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.073780][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.073780][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.073780][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.073780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.073780][ T73] [ 3210.075770][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.075770][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.075770][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.075770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.075770][ T73] ip6_route_add+0x1c/0x140 [ 3210.075770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3210.075770][ T73] addrconf_add_dev+0xe2/0x170 [ 3210.075770][ T73] inet6_addr_add+0x12f/0xa40 [ 3210.075770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.075770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.075770][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.075770][ T73] netlink_unicast+0x449/0x710 [ 3210.075770][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.075770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.075770][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.075770][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.075770][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.075770][ T73] [ 3210.077715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.077715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3210.077715][ T73] ipv6_find_idev+0x102/0x170 [ 3210.077715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.077715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.077715][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.077715][ T73] netlink_unicast+0x449/0x710 [ 3210.077715][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.077715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.077715][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.077715][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.077715][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.077715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.077715][ T73] [ 3210.079240][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3210.079240][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3210.079240][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3210.079240][ T73] ipv6_find_idev+0x102/0x170 [ 3210.079240][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.079240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.079240][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.079240][ T73] netlink_unicast+0x449/0x710 [ 3210.079240][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.079240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.079240][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.079240][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.079240][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.079240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.079240][ T73] [ 3210.081026][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3210.081306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.081306][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3210.081306][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3210.081306][ T73] fib6_nh_init+0xa22/0x1580 [ 3210.081306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.081306][ T73] ip6_route_add+0x1c/0x140 [ 3210.081306][ T73] inet6_rtm_newroute+0x104/0x110 [ 3210.081306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.081306][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.081306][ T73] netlink_unicast+0x449/0x710 [ 3210.081306][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.081306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.081306][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.081306][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.081306][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.081306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.081306][ T73] [ 3210.083420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.083420][ T73] dst_init+0x84/0x4a0 [ 3210.083420][ T73] dst_alloc+0x97/0x150 [ 3210.083420][ T73] ip6_dst_alloc+0x23/0x90 [ 3210.083420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3210.083420][ T73] ip6_pol_route+0x56f/0x840 [ 3210.083420][ T73] fib6_rule_lookup+0x456/0x630 [ 3210.083420][ T73] ip6_route_input+0x59c/0xa50 [ 3210.083420][ T73] ipv6_rcv+0x397/0x810 [ 3210.083420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3210.083420][ T73] process_backlog+0x101/0x620 [ 3210.083420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3210.083420][ T73] net_rx_action+0x495/0xbe0 [ 3210.083420][ T73] __do_softirq+0x1b5/0x7f6 [ 3210.083420][ T73] [ 3210.085222][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.085222][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.085222][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.085222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.085222][ T73] ip6_route_add+0x1c/0x140 [ 3210.085222][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3210.085222][ T73] inet6_addr_add+0x4f8/0xa40 [ 3210.085222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.085222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.085222][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.085222][ T73] netlink_unicast+0x449/0x710 [ 3210.085222][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.085222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.085222][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.085222][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.085222][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.085222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.085222][ T73] [ 3210.087511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.087511][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.087511][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.087511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.087511][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3210.087511][ T73] ipv6_add_addr+0x411/0x2000 [ 3210.087511][ T73] inet6_addr_add+0x30e/0xa40 [ 3210.087511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.087511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.087511][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.087511][ T73] netlink_unicast+0x449/0x710 [ 3210.087511][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.087511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.087511][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.087511][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.087511][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.087511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.087511][ T73] [ 3210.089735][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.089735][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.089735][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.089735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.089735][ T73] ip6_route_add+0x1c/0x140 [ 3210.089735][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3210.089735][ T73] addrconf_add_dev+0xe2/0x170 [ 3210.089735][ T73] inet6_addr_add+0x12f/0xa40 [ 3210.089735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.089735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.089735][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.089735][ T73] netlink_unicast+0x449/0x710 [ 3210.089735][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.089735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.089735][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.089735][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.089735][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.089735][ T73] [ 3210.091935][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.091935][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3210.091935][ T73] ipv6_find_idev+0x102/0x170 [ 3210.091935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.091935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.091935][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.091935][ T73] netlink_unicast+0x449/0x710 [ 3210.091935][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.091935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.091935][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.091935][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.091935][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.091935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.091935][ T73] [ 3210.093641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3210.093641][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3210.093641][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3210.093641][ T73] ipv6_find_idev+0x102/0x170 [ 3210.093641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.093641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.093641][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.093641][ T73] netlink_unicast+0x449/0x710 [ 3210.093641][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.093641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.093641][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.093641][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.093641][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.093641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.093641][ T73] [ 3210.095558][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3210.096261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3210.096261][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.096261][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.096261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.096261][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3210.096261][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3210.096261][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3210.096261][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3210.096261][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3210.096261][ T73] addrconf_dad_begin+0x310/0x670 [ 3210.096261][ T73] addrconf_dad_work+0x10b/0xab0 [ 3210.096261][ T73] process_one_work+0x84d/0x18a0 [ 3210.096261][ T73] worker_thread+0x587/0xd30 [ 3210.096261][ T73] kthread+0x28a/0x350 [ 3210.096261][ T73] ret_from_fork+0x31/0x70 [ 3210.096261][ T73] ret_from_fork_asm+0x1a/0x30 [ 3210.096261][ T73] [ 3210.098151][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3210.098151][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.098151][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.098151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.098151][ T73] ip6_route_add+0x1c/0x140 [ 3210.098151][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3210.098151][ T73] inet6_addr_add+0x4f8/0xa40 [ 3210.098151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.098151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.098151][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.098151][ T73] netlink_unicast+0x449/0x710 [ 3210.098151][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.098151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.098151][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.098151][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.098151][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.098151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.098151][ T73] [ 3210.100253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3210.100253][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.100253][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.100253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.100253][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3210.100253][ T73] ipv6_add_addr+0x411/0x2000 [ 3210.100253][ T73] inet6_addr_add+0x30e/0xa40 [ 3210.100253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.100253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.100253][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.100253][ T73] netlink_unicast+0x449/0x710 [ 3210.100253][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.100253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.100253][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.100253][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.100253][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.100253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.100253][ T73] [ 3210.102476][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3210.102476][ T73] netdev_get_by_index+0x5e/0x80 [ 3210.102476][ T73] fib6_nh_init+0x3d8/0x1580 [ 3210.102476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3210.102476][ T73] ip6_route_add+0x1c/0x140 [ 3210.102476][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3210.102476][ T73] addrconf_add_dev+0xe2/0x170 [ 3210.102476][ T73] inet6_addr_add+0x12f/0xa40 [ 3210.102476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3210.102476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.102476][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.102476][ T73] netlink_unicast+0x449/0x710 [ 3210.102476][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.102476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.102476][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.102476][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.102476][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.102476][ T73] [ 3210.104598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3210.104598][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3210.104598][ T73] ipv6_find_idev+0x102/0x170 [ 3210.104598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.104598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.104598][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.104598][ T73] netlink_unicast+0x449/0x710 [ 3210.104598][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.104598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.104598][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.104598][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.104598][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.104598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.104598][ T73] [ 3210.106314][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3210.106314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3210.106314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3210.106314][ T73] ipv6_find_idev+0x102/0x170 [ 3210.106314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3210.106314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3210.106314][ T73] netlink_rcv_skb+0x130/0x360 [ 3210.106314][ T73] netlink_unicast+0x449/0x710 [ 3210.106314][ T73] netlink_sendmsg+0x723/0xbe0 [ 3210.106314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3210.106314][ T73] ___sys_sendmsg+0xee/0x170 [ 3210.106314][ T73] __sys_sendmsg+0xcd/0x170 [ 3210.106314][ T73] do_syscall_64+0xc6/0x1e0 [ 3210.106314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3210.106314][ T73] [ 3220.358811][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3220.359255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.359255][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3220.359255][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3220.359255][ T73] fib6_nh_init+0xa22/0x1580 [ 3220.359255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.359255][ T73] ip6_route_add+0x1c/0x140 [ 3220.359255][ T73] inet6_rtm_newroute+0x104/0x110 [ 3220.359255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.359255][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.359255][ T73] netlink_unicast+0x449/0x710 [ 3220.359255][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.359255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.359255][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.359255][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.359255][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.359255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.359255][ T73] [ 3220.361147][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.361147][ T73] dst_init+0x84/0x4a0 [ 3220.361147][ T73] dst_alloc+0x97/0x150 [ 3220.361147][ T73] ip6_dst_alloc+0x23/0x90 [ 3220.361147][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3220.361147][ T73] ip6_pol_route+0x56f/0x840 [ 3220.361147][ T73] fib6_rule_lookup+0x456/0x630 [ 3220.361147][ T73] ip6_route_input+0x59c/0xa50 [ 3220.361147][ T73] ipv6_rcv+0x397/0x810 [ 3220.361147][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3220.361147][ T73] process_backlog+0x101/0x620 [ 3220.361147][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3220.361147][ T73] net_rx_action+0x495/0xbe0 [ 3220.361147][ T73] __do_softirq+0x1b5/0x7f6 [ 3220.361147][ T73] [ 3220.362780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.362780][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.362780][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.362780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.362780][ T73] ip6_route_add+0x1c/0x140 [ 3220.362780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3220.362780][ T73] inet6_addr_add+0x4f8/0xa40 [ 3220.362780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.362780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.362780][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.362780][ T73] netlink_unicast+0x449/0x710 [ 3220.362780][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.362780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.362780][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.362780][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.362780][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.362780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.362780][ T73] [ 3220.364773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.364773][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.364773][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.364773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.364773][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3220.364773][ T73] ipv6_add_addr+0x411/0x2000 [ 3220.364773][ T73] inet6_addr_add+0x30e/0xa40 [ 3220.364773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.364773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.364773][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.364773][ T73] netlink_unicast+0x449/0x710 [ 3220.364773][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.364773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.364773][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.364773][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.364773][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.364773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.364773][ T73] [ 3220.366795][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.366795][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.366795][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.366795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.366795][ T73] ip6_route_add+0x1c/0x140 [ 3220.366795][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3220.366795][ T73] addrconf_add_dev+0xe2/0x170 [ 3220.366795][ T73] inet6_addr_add+0x12f/0xa40 [ 3220.366795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.366795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.366795][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.366795][ T73] netlink_unicast+0x449/0x710 [ 3220.366795][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.366795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.366795][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.366795][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.366795][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.366795][ T73] [ 3220.368772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.368772][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3220.368772][ T73] ipv6_find_idev+0x102/0x170 [ 3220.368772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.368772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.368772][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.368772][ T73] netlink_unicast+0x449/0x710 [ 3220.368772][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.368772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.368772][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.368772][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.368772][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.368772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.368772][ T73] [ 3220.370314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3220.370314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3220.370314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3220.370314][ T73] ipv6_find_idev+0x102/0x170 [ 3220.370314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.370314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.370314][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.370314][ T73] netlink_unicast+0x449/0x710 [ 3220.370314][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.370314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.370314][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.370314][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.370314][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.370314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.370314][ T73] [ 3220.371999][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3220.372270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.372270][ T73] dst_init+0x84/0x4a0 [ 3220.372270][ T73] dst_alloc+0x97/0x150 [ 3220.372270][ T73] ip6_dst_alloc+0x23/0x90 [ 3220.372270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3220.372270][ T73] ip6_pol_route+0x56f/0x840 [ 3220.372270][ T73] fib6_rule_lookup+0x456/0x630 [ 3220.372270][ T73] ip6_route_input+0x59c/0xa50 [ 3220.372270][ T73] ipv6_rcv+0x397/0x810 [ 3220.372270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3220.372270][ T73] process_backlog+0x101/0x620 [ 3220.372270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3220.372270][ T73] net_rx_action+0x495/0xbe0 [ 3220.372270][ T73] __do_softirq+0x1b5/0x7f6 [ 3220.372270][ T73] [ 3220.373912][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.373912][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.373912][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.373912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.373912][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3220.373912][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3220.373912][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3220.373912][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3220.373912][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3220.373912][ T73] addrconf_dad_begin+0x310/0x670 [ 3220.373912][ T73] addrconf_dad_work+0x10b/0xab0 [ 3220.373912][ T73] process_one_work+0x84d/0x18a0 [ 3220.373912][ T73] worker_thread+0x587/0xd30 [ 3220.373912][ T73] kthread+0x28a/0x350 [ 3220.373912][ T73] ret_from_fork+0x31/0x70 [ 3220.373912][ T73] ret_from_fork_asm+0x1a/0x30 [ 3220.373912][ T73] [ 3220.375824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.375824][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.375824][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.375824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.375824][ T73] ip6_route_add+0x1c/0x140 [ 3220.375824][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3220.375824][ T73] inet6_addr_add+0x4f8/0xa40 [ 3220.375824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.375824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.375824][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.375824][ T73] netlink_unicast+0x449/0x710 [ 3220.375824][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.375824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.375824][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.375824][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.375824][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.375824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.375824][ T73] [ 3220.377822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.377822][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.377822][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.377822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.377822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3220.377822][ T73] ipv6_add_addr+0x411/0x2000 [ 3220.377822][ T73] inet6_addr_add+0x30e/0xa40 [ 3220.377822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.377822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.377822][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.377822][ T73] netlink_unicast+0x449/0x710 [ 3220.377822][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.377822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.377822][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.377822][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.377822][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.377822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.377822][ T73] [ 3220.379823][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.379823][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.379823][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.379823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.379823][ T73] ip6_route_add+0x1c/0x140 [ 3220.379823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3220.379823][ T73] addrconf_add_dev+0xe2/0x170 [ 3220.379823][ T73] inet6_addr_add+0x12f/0xa40 [ 3220.379823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.379823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.379823][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.379823][ T73] netlink_unicast+0x449/0x710 [ 3220.379823][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.379823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.379823][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.379823][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.379823][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.379823][ T73] [ 3220.381785][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.381785][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3220.381785][ T73] ipv6_find_idev+0x102/0x170 [ 3220.381785][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.381785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.381785][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.381785][ T73] netlink_unicast+0x449/0x710 [ 3220.381785][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.381785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.381785][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.381785][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.381785][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.381785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.381785][ T73] [ 3220.383336][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3220.383336][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3220.383336][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3220.383336][ T73] ipv6_find_idev+0x102/0x170 [ 3220.383336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.383336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.383336][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.383336][ T73] netlink_unicast+0x449/0x710 [ 3220.383336][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.383336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.383336][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.383336][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.383336][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.383336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.383336][ T73] [ 3220.385105][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3220.385371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.385371][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3220.385371][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3220.385371][ T73] fib6_nh_init+0xa22/0x1580 [ 3220.385371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.385371][ T73] ip6_route_add+0x1c/0x140 [ 3220.385371][ T73] inet6_rtm_newroute+0x104/0x110 [ 3220.385371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.385371][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.385371][ T73] netlink_unicast+0x449/0x710 [ 3220.385371][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.385371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.385371][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.385371][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.385371][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.385371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.385371][ T73] [ 3220.387328][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.387328][ T73] dst_init+0x84/0x4a0 [ 3220.387328][ T73] dst_alloc+0x97/0x150 [ 3220.387328][ T73] ip6_dst_alloc+0x23/0x90 [ 3220.387328][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3220.387328][ T73] ip6_pol_route+0x56f/0x840 [ 3220.387328][ T73] fib6_rule_lookup+0x456/0x630 [ 3220.387328][ T73] ip6_route_input+0x59c/0xa50 [ 3220.387328][ T73] ipv6_rcv+0x397/0x810 [ 3220.387328][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3220.387328][ T73] process_backlog+0x101/0x620 [ 3220.387328][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3220.387328][ T73] net_rx_action+0x495/0xbe0 [ 3220.387328][ T73] __do_softirq+0x1b5/0x7f6 [ 3220.387328][ T73] [ 3220.389032][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.389032][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.389032][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.389032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.389032][ T73] ip6_route_add+0x1c/0x140 [ 3220.389032][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3220.389032][ T73] inet6_addr_add+0x4f8/0xa40 [ 3220.389032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.389032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.389032][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.389032][ T73] netlink_unicast+0x449/0x710 [ 3220.389032][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.389032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.389032][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.389032][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.389032][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.389032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.389032][ T73] [ 3220.391158][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.391158][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.391158][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.391158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.391158][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3220.391158][ T73] ipv6_add_addr+0x411/0x2000 [ 3220.391158][ T73] inet6_addr_add+0x30e/0xa40 [ 3220.391158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.391158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.391158][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.391158][ T73] netlink_unicast+0x449/0x710 [ 3220.391158][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.391158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.391158][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.391158][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.391158][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.391158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.391158][ T73] [ 3220.393236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.393236][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.393236][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.393236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.393236][ T73] ip6_route_add+0x1c/0x140 [ 3220.393236][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3220.393236][ T73] addrconf_add_dev+0xe2/0x170 [ 3220.393236][ T73] inet6_addr_add+0x12f/0xa40 [ 3220.393236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.393236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.393236][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.393236][ T73] netlink_unicast+0x449/0x710 [ 3220.393236][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.393236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.393236][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.393236][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.393236][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.393236][ T73] [ 3220.395325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.395325][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3220.395325][ T73] ipv6_find_idev+0x102/0x170 [ 3220.395325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.395325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.395325][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.395325][ T73] netlink_unicast+0x449/0x710 [ 3220.395325][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.395325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.395325][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.395325][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.395325][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.395325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.395325][ T73] [ 3220.396937][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3220.396937][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3220.396937][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3220.396937][ T73] ipv6_find_idev+0x102/0x170 [ 3220.396937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.396937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.396937][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.396937][ T73] netlink_unicast+0x449/0x710 [ 3220.396937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.396937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.396937][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.396937][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.396937][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.396937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.396937][ T73] [ 3220.398686][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3220.399388][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3220.399388][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.399388][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.399388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.399388][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3220.399388][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3220.399388][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3220.399388][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3220.399388][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3220.399388][ T73] addrconf_dad_begin+0x310/0x670 [ 3220.399388][ T73] addrconf_dad_work+0x10b/0xab0 [ 3220.399388][ T73] process_one_work+0x84d/0x18a0 [ 3220.399388][ T73] worker_thread+0x587/0xd30 [ 3220.399388][ T73] kthread+0x28a/0x350 [ 3220.399388][ T73] ret_from_fork+0x31/0x70 [ 3220.399388][ T73] ret_from_fork_asm+0x1a/0x30 [ 3220.399388][ T73] [ 3220.401291][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3220.401291][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.401291][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.401291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.401291][ T73] ip6_route_add+0x1c/0x140 [ 3220.401291][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3220.401291][ T73] inet6_addr_add+0x4f8/0xa40 [ 3220.401291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.401291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.401291][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.401291][ T73] netlink_unicast+0x449/0x710 [ 3220.401291][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.401291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.401291][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.401291][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.401291][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.401291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.401291][ T73] [ 3220.403875][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3220.403875][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.403875][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.403875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.403875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3220.403875][ T73] ipv6_add_addr+0x411/0x2000 [ 3220.403875][ T73] inet6_addr_add+0x30e/0xa40 [ 3220.403875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.403875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.403875][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.403875][ T73] netlink_unicast+0x449/0x710 [ 3220.403875][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.403875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.403875][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.403875][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.403875][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.403875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.403875][ T73] [ 3220.405969][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3220.405969][ T73] netdev_get_by_index+0x5e/0x80 [ 3220.405969][ T73] fib6_nh_init+0x3d8/0x1580 [ 3220.405969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3220.405969][ T73] ip6_route_add+0x1c/0x140 [ 3220.405969][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3220.405969][ T73] addrconf_add_dev+0xe2/0x170 [ 3220.405969][ T73] inet6_addr_add+0x12f/0xa40 [ 3220.405969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3220.405969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.405969][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.405969][ T73] netlink_unicast+0x449/0x710 [ 3220.405969][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.405969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.405969][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.405969][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.405969][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.405969][ T73] [ 3220.407994][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3220.407994][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3220.407994][ T73] ipv6_find_idev+0x102/0x170 [ 3220.407994][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.407994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.407994][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.407994][ T73] netlink_unicast+0x449/0x710 [ 3220.407994][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.407994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.407994][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.407994][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.407994][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.407994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.407994][ T73] [ 3220.409993][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3220.409993][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3220.409993][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3220.409993][ T73] ipv6_find_idev+0x102/0x170 [ 3220.409993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3220.409993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3220.409993][ T73] netlink_rcv_skb+0x130/0x360 [ 3220.409993][ T73] netlink_unicast+0x449/0x710 [ 3220.409993][ T73] netlink_sendmsg+0x723/0xbe0 [ 3220.409993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3220.409993][ T73] ___sys_sendmsg+0xee/0x170 [ 3220.409993][ T73] __sys_sendmsg+0xcd/0x170 [ 3220.409993][ T73] do_syscall_64+0xc6/0x1e0 [ 3220.409993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3220.409993][ T73] [ 3230.446890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3230.447356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.447356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3230.447356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3230.447356][ T73] fib6_nh_init+0xa22/0x1580 [ 3230.447356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.447356][ T73] ip6_route_add+0x1c/0x140 [ 3230.447356][ T73] inet6_rtm_newroute+0x104/0x110 [ 3230.447356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.447356][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.447356][ T73] netlink_unicast+0x449/0x710 [ 3230.447356][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.447356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.447356][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.447356][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.447356][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.447356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.447356][ T73] [ 3230.449232][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.449232][ T73] dst_init+0x84/0x4a0 [ 3230.449232][ T73] dst_alloc+0x97/0x150 [ 3230.449232][ T73] ip6_dst_alloc+0x23/0x90 [ 3230.449232][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3230.449232][ T73] ip6_pol_route+0x56f/0x840 [ 3230.449232][ T73] fib6_rule_lookup+0x456/0x630 [ 3230.449232][ T73] ip6_route_input+0x59c/0xa50 [ 3230.449232][ T73] ipv6_rcv+0x397/0x810 [ 3230.449232][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3230.449232][ T73] process_backlog+0x101/0x620 [ 3230.449232][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3230.449232][ T73] net_rx_action+0x495/0xbe0 [ 3230.449232][ T73] __do_softirq+0x1b5/0x7f6 [ 3230.449232][ T73] [ 3230.450854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.450854][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.450854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.450854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.450854][ T73] ip6_route_add+0x1c/0x140 [ 3230.450854][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3230.450854][ T73] inet6_addr_add+0x4f8/0xa40 [ 3230.450854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.450854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.450854][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.450854][ T73] netlink_unicast+0x449/0x710 [ 3230.450854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.450854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.450854][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.450854][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.450854][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.450854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.450854][ T73] [ 3230.452846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.452846][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.452846][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.452846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.452846][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3230.452846][ T73] ipv6_add_addr+0x411/0x2000 [ 3230.452846][ T73] inet6_addr_add+0x30e/0xa40 [ 3230.452846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.452846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.452846][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.452846][ T73] netlink_unicast+0x449/0x710 [ 3230.452846][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.452846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.452846][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.452846][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.452846][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.452846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.452846][ T73] [ 3230.454826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.454826][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.454826][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.454826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.454826][ T73] ip6_route_add+0x1c/0x140 [ 3230.454826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3230.454826][ T73] addrconf_add_dev+0xe2/0x170 [ 3230.454826][ T73] inet6_addr_add+0x12f/0xa40 [ 3230.454826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.454826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.454826][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.454826][ T73] netlink_unicast+0x449/0x710 [ 3230.454826][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.454826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.454826][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.454826][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.454826][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.454826][ T73] [ 3230.456784][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.456784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3230.456784][ T73] ipv6_find_idev+0x102/0x170 [ 3230.456784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.456784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.456784][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.456784][ T73] netlink_unicast+0x449/0x710 [ 3230.456784][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.456784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.456784][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.456784][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.456784][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.456784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.456784][ T73] [ 3230.458316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3230.458316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3230.458316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3230.458316][ T73] ipv6_find_idev+0x102/0x170 [ 3230.458316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.458316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.458316][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.458316][ T73] netlink_unicast+0x449/0x710 [ 3230.458316][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.458316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.458316][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.458316][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.458316][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.458316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.458316][ T73] [ 3230.460000][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3230.460273][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.460273][ T73] dst_init+0x84/0x4a0 [ 3230.460273][ T73] dst_alloc+0x97/0x150 [ 3230.460273][ T73] ip6_dst_alloc+0x23/0x90 [ 3230.460273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3230.460273][ T73] ip6_pol_route+0x56f/0x840 [ 3230.460273][ T73] fib6_rule_lookup+0x456/0x630 [ 3230.460273][ T73] ip6_route_input+0x59c/0xa50 [ 3230.460273][ T73] ipv6_rcv+0x397/0x810 [ 3230.460273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3230.460273][ T73] process_backlog+0x101/0x620 [ 3230.460273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3230.460273][ T73] net_rx_action+0x495/0xbe0 [ 3230.460273][ T73] __do_softirq+0x1b5/0x7f6 [ 3230.460273][ T73] [ 3230.461902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.461902][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.461902][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.461902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.461902][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3230.461902][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3230.461902][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3230.461902][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3230.461902][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3230.461902][ T73] addrconf_dad_begin+0x310/0x670 [ 3230.461902][ T73] addrconf_dad_work+0x10b/0xab0 [ 3230.461902][ T73] process_one_work+0x84d/0x18a0 [ 3230.461902][ T73] worker_thread+0x587/0xd30 [ 3230.461902][ T73] kthread+0x28a/0x350 [ 3230.461902][ T73] ret_from_fork+0x31/0x70 [ 3230.461902][ T73] ret_from_fork_asm+0x1a/0x30 [ 3230.461902][ T73] [ 3230.463789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.463789][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.463789][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.463789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.463789][ T73] ip6_route_add+0x1c/0x140 [ 3230.463789][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3230.463789][ T73] inet6_addr_add+0x4f8/0xa40 [ 3230.463789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.463789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.463789][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.463789][ T73] netlink_unicast+0x449/0x710 [ 3230.463789][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.463789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.463789][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.463789][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.463789][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.463789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.463789][ T73] [ 3230.465800][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.465800][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.465800][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.465800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.465800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3230.465800][ T73] ipv6_add_addr+0x411/0x2000 [ 3230.465800][ T73] inet6_addr_add+0x30e/0xa40 [ 3230.465800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.465800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.465800][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.465800][ T73] netlink_unicast+0x449/0x710 [ 3230.465800][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.465800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.465800][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.465800][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.465800][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.465800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.465800][ T73] [ 3230.467781][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.467781][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.467781][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.467781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.467781][ T73] ip6_route_add+0x1c/0x140 [ 3230.467781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3230.467781][ T73] addrconf_add_dev+0xe2/0x170 [ 3230.467781][ T73] inet6_addr_add+0x12f/0xa40 [ 3230.467781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.467781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.467781][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.467781][ T73] netlink_unicast+0x449/0x710 [ 3230.467781][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.467781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.467781][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.467781][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.467781][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.467781][ T73] [ 3230.469728][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.469728][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3230.469728][ T73] ipv6_find_idev+0x102/0x170 [ 3230.469728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.469728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.469728][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.469728][ T73] netlink_unicast+0x449/0x710 [ 3230.469728][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.469728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.469728][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.469728][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.469728][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.469728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.469728][ T73] [ 3230.471252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3230.471252][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3230.471252][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3230.471252][ T73] ipv6_find_idev+0x102/0x170 [ 3230.471252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.471252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.471252][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.471252][ T73] netlink_unicast+0x449/0x710 [ 3230.471252][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.471252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.471252][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.471252][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.471252][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.471252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.471252][ T73] [ 3230.473042][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3230.473304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.473304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3230.473304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3230.473304][ T73] fib6_nh_init+0xa22/0x1580 [ 3230.473304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.473304][ T73] ip6_route_add+0x1c/0x140 [ 3230.473304][ T73] inet6_rtm_newroute+0x104/0x110 [ 3230.473304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.473304][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.473304][ T73] netlink_unicast+0x449/0x710 [ 3230.473304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.473304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.473304][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.473304][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.473304][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.473304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.473304][ T73] [ 3230.475403][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.475403][ T73] dst_init+0x84/0x4a0 [ 3230.475403][ T73] dst_alloc+0x97/0x150 [ 3230.475403][ T73] ip6_dst_alloc+0x23/0x90 [ 3230.475403][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3230.475403][ T73] ip6_pol_route+0x56f/0x840 [ 3230.475403][ T73] fib6_rule_lookup+0x456/0x630 [ 3230.475403][ T73] ip6_route_input+0x59c/0xa50 [ 3230.475403][ T73] ipv6_rcv+0x397/0x810 [ 3230.475403][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3230.475403][ T73] process_backlog+0x101/0x620 [ 3230.475403][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3230.475403][ T73] net_rx_action+0x495/0xbe0 [ 3230.475403][ T73] __do_softirq+0x1b5/0x7f6 [ 3230.475403][ T73] [ 3230.477217][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.477217][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.477217][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.477217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.477217][ T73] ip6_route_add+0x1c/0x140 [ 3230.477217][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3230.477217][ T73] inet6_addr_add+0x4f8/0xa40 [ 3230.477217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.477217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.477217][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.477217][ T73] netlink_unicast+0x449/0x710 [ 3230.477217][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.477217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.477217][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.477217][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.477217][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.477217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.477217][ T73] [ 3230.479495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.479495][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.479495][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.479495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.479495][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3230.479495][ T73] ipv6_add_addr+0x411/0x2000 [ 3230.479495][ T73] inet6_addr_add+0x30e/0xa40 [ 3230.479495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.479495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.479495][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.479495][ T73] netlink_unicast+0x449/0x710 [ 3230.479495][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.479495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.479495][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.479495][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.479495][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.479495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.479495][ T73] [ 3230.481719][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.481719][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.481719][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.481719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.481719][ T73] ip6_route_add+0x1c/0x140 [ 3230.481719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3230.481719][ T73] addrconf_add_dev+0xe2/0x170 [ 3230.481719][ T73] inet6_addr_add+0x12f/0xa40 [ 3230.481719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.481719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.481719][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.481719][ T73] netlink_unicast+0x449/0x710 [ 3230.481719][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.481719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.481719][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.481719][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.481719][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.481719][ T73] [ 3230.483894][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.483894][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3230.483894][ T73] ipv6_find_idev+0x102/0x170 [ 3230.483894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.483894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.483894][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.483894][ T73] netlink_unicast+0x449/0x710 [ 3230.483894][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.483894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.483894][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.483894][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.483894][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.483894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.483894][ T73] [ 3230.485544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3230.485544][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3230.485544][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3230.485544][ T73] ipv6_find_idev+0x102/0x170 [ 3230.485544][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.485544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.485544][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.485544][ T73] netlink_unicast+0x449/0x710 [ 3230.485544][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.485544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.485544][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.485544][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.485544][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.485544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.485544][ T73] [ 3230.487447][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3230.487717][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3230.487717][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.487717][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.487717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.487717][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3230.487717][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3230.487717][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3230.487717][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3230.487717][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3230.487717][ T73] addrconf_dad_begin+0x310/0x670 [ 3230.487717][ T73] addrconf_dad_work+0x10b/0xab0 [ 3230.487717][ T73] process_one_work+0x84d/0x18a0 [ 3230.487717][ T73] worker_thread+0x587/0xd30 [ 3230.487717][ T73] kthread+0x28a/0x350 [ 3230.487717][ T73] ret_from_fork+0x31/0x70 [ 3230.487717][ T73] ret_from_fork_asm+0x1a/0x30 [ 3230.487717][ T73] [ 3230.489919][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3230.489919][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.489919][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.489919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.489919][ T73] ip6_route_add+0x1c/0x140 [ 3230.489919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3230.489919][ T73] inet6_addr_add+0x4f8/0xa40 [ 3230.489919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.489919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.489919][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.489919][ T73] netlink_unicast+0x449/0x710 [ 3230.489919][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.489919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.489919][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.489919][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.489919][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.489919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.489919][ T73] [ 3230.492146][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3230.492146][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.492146][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.492146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.492146][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3230.492146][ T73] ipv6_add_addr+0x411/0x2000 [ 3230.492146][ T73] inet6_addr_add+0x30e/0xa40 [ 3230.492146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.492146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.492146][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.492146][ T73] netlink_unicast+0x449/0x710 [ 3230.492146][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.492146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.492146][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.492146][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.492146][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.492146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.492146][ T73] [ 3230.494303][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3230.494303][ T73] netdev_get_by_index+0x5e/0x80 [ 3230.494303][ T73] fib6_nh_init+0x3d8/0x1580 [ 3230.494303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3230.494303][ T73] ip6_route_add+0x1c/0x140 [ 3230.494303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3230.494303][ T73] addrconf_add_dev+0xe2/0x170 [ 3230.494303][ T73] inet6_addr_add+0x12f/0xa40 [ 3230.494303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.494303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.494303][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.494303][ T73] netlink_unicast+0x449/0x710 [ 3230.494303][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.494303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.494303][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.494303][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.494303][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.494303][ T73] [ 3230.496487][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3230.496487][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3230.496487][ T73] ipv6_find_idev+0x102/0x170 [ 3230.496487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.496487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.496487][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.496487][ T73] netlink_unicast+0x449/0x710 [ 3230.496487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.496487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.496487][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.496487][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.496487][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.496487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.496487][ T73] [ 3230.498254][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3230.498254][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3230.498254][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3230.498254][ T73] ipv6_find_idev+0x102/0x170 [ 3230.498254][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.498254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.498254][ T73] netlink_rcv_skb+0x130/0x360 [ 3230.498254][ T73] netlink_unicast+0x449/0x710 [ 3230.498254][ T73] netlink_sendmsg+0x723/0xbe0 [ 3230.498254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3230.498254][ T73] ___sys_sendmsg+0xee/0x170 [ 3230.498254][ T73] __sys_sendmsg+0xcd/0x170 [ 3230.498254][ T73] do_syscall_64+0xc6/0x1e0 [ 3230.498254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.498254][ T73] [ 3240.742892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3240.743344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.743344][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3240.743344][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3240.743344][ T73] fib6_nh_init+0xa22/0x1580 [ 3240.743344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.743344][ T73] ip6_route_add+0x1c/0x140 [ 3240.743344][ T73] inet6_rtm_newroute+0x104/0x110 [ 3240.743344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.743344][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.743344][ T73] netlink_unicast+0x449/0x710 [ 3240.743344][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.743344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.743344][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.743344][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.743344][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.743344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.743344][ T73] [ 3240.745216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.745216][ T73] dst_init+0x84/0x4a0 [ 3240.745216][ T73] dst_alloc+0x97/0x150 [ 3240.745216][ T73] ip6_dst_alloc+0x23/0x90 [ 3240.745216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3240.745216][ T73] ip6_pol_route+0x56f/0x840 [ 3240.745216][ T73] fib6_rule_lookup+0x456/0x630 [ 3240.745216][ T73] ip6_route_input+0x59c/0xa50 [ 3240.745216][ T73] ipv6_rcv+0x397/0x810 [ 3240.745216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3240.745216][ T73] process_backlog+0x101/0x620 [ 3240.745216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3240.745216][ T73] net_rx_action+0x495/0xbe0 [ 3240.745216][ T73] __do_softirq+0x1b5/0x7f6 [ 3240.745216][ T73] [ 3240.746855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.746855][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.746855][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.746855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.746855][ T73] ip6_route_add+0x1c/0x140 [ 3240.746855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3240.746855][ T73] inet6_addr_add+0x4f8/0xa40 [ 3240.746855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.746855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.746855][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.746855][ T73] netlink_unicast+0x449/0x710 [ 3240.746855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.746855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.746855][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.746855][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.746855][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.746855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.746855][ T73] [ 3240.748829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.748829][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.748829][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.748829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.748829][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3240.748829][ T73] ipv6_add_addr+0x411/0x2000 [ 3240.748829][ T73] inet6_addr_add+0x30e/0xa40 [ 3240.748829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.748829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.748829][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.748829][ T73] netlink_unicast+0x449/0x710 [ 3240.748829][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.748829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.748829][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.748829][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.748829][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.748829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.748829][ T73] [ 3240.750810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.750810][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.750810][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.750810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.750810][ T73] ip6_route_add+0x1c/0x140 [ 3240.750810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3240.750810][ T73] addrconf_add_dev+0xe2/0x170 [ 3240.750810][ T73] inet6_addr_add+0x12f/0xa40 [ 3240.750810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.750810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.750810][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.750810][ T73] netlink_unicast+0x449/0x710 [ 3240.750810][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.750810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.750810][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.750810][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.750810][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.750810][ T73] [ 3240.752746][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.752746][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3240.752746][ T73] ipv6_find_idev+0x102/0x170 [ 3240.752746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.752746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.752746][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.752746][ T73] netlink_unicast+0x449/0x710 [ 3240.752746][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.752746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.752746][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.752746][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.752746][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.752746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.752746][ T73] [ 3240.754267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3240.754267][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3240.754267][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3240.754267][ T73] ipv6_find_idev+0x102/0x170 [ 3240.754267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.754267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.754267][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.754267][ T73] netlink_unicast+0x449/0x710 [ 3240.754267][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.754267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.754267][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.754267][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.754267][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.754267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.754267][ T73] [ 3240.755940][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3240.756227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.756227][ T73] dst_init+0x84/0x4a0 [ 3240.756227][ T73] dst_alloc+0x97/0x150 [ 3240.756227][ T73] ip6_dst_alloc+0x23/0x90 [ 3240.756227][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3240.756227][ T73] ip6_pol_route+0x56f/0x840 [ 3240.756227][ T73] fib6_rule_lookup+0x456/0x630 [ 3240.756227][ T73] ip6_route_input+0x59c/0xa50 [ 3240.756227][ T73] ipv6_rcv+0x397/0x810 [ 3240.756227][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3240.756227][ T73] process_backlog+0x101/0x620 [ 3240.756227][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3240.756227][ T73] net_rx_action+0x495/0xbe0 [ 3240.756227][ T73] __do_softirq+0x1b5/0x7f6 [ 3240.756227][ T73] [ 3240.757850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.757850][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.757850][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.757850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.757850][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3240.757850][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3240.757850][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3240.757850][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3240.757850][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3240.757850][ T73] addrconf_dad_begin+0x310/0x670 [ 3240.757850][ T73] addrconf_dad_work+0x10b/0xab0 [ 3240.757850][ T73] process_one_work+0x84d/0x18a0 [ 3240.757850][ T73] worker_thread+0x587/0xd30 [ 3240.757850][ T73] kthread+0x28a/0x350 [ 3240.757850][ T73] ret_from_fork+0x31/0x70 [ 3240.757850][ T73] ret_from_fork_asm+0x1a/0x30 [ 3240.757850][ T73] [ 3240.759733][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.759733][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.759733][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.759733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.759733][ T73] ip6_route_add+0x1c/0x140 [ 3240.759733][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3240.759733][ T73] inet6_addr_add+0x4f8/0xa40 [ 3240.759733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.759733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.759733][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.759733][ T73] netlink_unicast+0x449/0x710 [ 3240.759733][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.759733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.759733][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.759733][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.759733][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.759733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.759733][ T73] [ 3240.761737][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.761737][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.761737][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.761737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.761737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3240.761737][ T73] ipv6_add_addr+0x411/0x2000 [ 3240.761737][ T73] inet6_addr_add+0x30e/0xa40 [ 3240.761737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.761737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.761737][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.761737][ T73] netlink_unicast+0x449/0x710 [ 3240.761737][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.761737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.761737][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.761737][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.761737][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.761737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.761737][ T73] [ 3240.763717][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.763717][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.763717][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.763717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.763717][ T73] ip6_route_add+0x1c/0x140 [ 3240.763717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3240.763717][ T73] addrconf_add_dev+0xe2/0x170 [ 3240.763717][ T73] inet6_addr_add+0x12f/0xa40 [ 3240.763717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.763717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.763717][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.763717][ T73] netlink_unicast+0x449/0x710 [ 3240.763717][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.763717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.763717][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.763717][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.763717][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.763717][ T73] [ 3240.765777][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.765777][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3240.765777][ T73] ipv6_find_idev+0x102/0x170 [ 3240.765777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.765777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.765777][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.765777][ T73] netlink_unicast+0x449/0x710 [ 3240.765777][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.765777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.765777][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.765777][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.765777][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.765777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.765777][ T73] [ 3240.767318][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3240.767318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3240.767318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3240.767318][ T73] ipv6_find_idev+0x102/0x170 [ 3240.767318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.767318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.767318][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.767318][ T73] netlink_unicast+0x449/0x710 [ 3240.767318][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.767318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.767318][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.767318][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.767318][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.767318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.767318][ T73] [ 3240.769062][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3240.769332][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.769332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3240.769332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3240.769332][ T73] fib6_nh_init+0xa22/0x1580 [ 3240.769332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.769332][ T73] ip6_route_add+0x1c/0x140 [ 3240.769332][ T73] inet6_rtm_newroute+0x104/0x110 [ 3240.769332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.769332][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.769332][ T73] netlink_unicast+0x449/0x710 [ 3240.769332][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.769332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.769332][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.769332][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.769332][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.769332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.769332][ T73] [ 3240.771500][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.771500][ T73] dst_init+0x84/0x4a0 [ 3240.771500][ T73] dst_alloc+0x97/0x150 [ 3240.771500][ T73] ip6_dst_alloc+0x23/0x90 [ 3240.771500][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3240.771500][ T73] ip6_pol_route+0x56f/0x840 [ 3240.771500][ T73] fib6_rule_lookup+0x456/0x630 [ 3240.771500][ T73] ip6_route_input+0x59c/0xa50 [ 3240.771500][ T73] ipv6_rcv+0x397/0x810 [ 3240.771500][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3240.771500][ T73] process_backlog+0x101/0x620 [ 3240.771500][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3240.771500][ T73] net_rx_action+0x495/0xbe0 [ 3240.771500][ T73] __do_softirq+0x1b5/0x7f6 [ 3240.771500][ T73] [ 3240.773306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.773306][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.773306][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.773306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.773306][ T73] ip6_route_add+0x1c/0x140 [ 3240.773306][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3240.773306][ T73] inet6_addr_add+0x4f8/0xa40 [ 3240.773306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.773306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.773306][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.773306][ T73] netlink_unicast+0x449/0x710 [ 3240.773306][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.773306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.773306][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.773306][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.773306][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.773306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.773306][ T73] [ 3240.775542][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.775542][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.775542][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.775542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.775542][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3240.775542][ T73] ipv6_add_addr+0x411/0x2000 [ 3240.775542][ T73] inet6_addr_add+0x30e/0xa40 [ 3240.775542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.775542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.775542][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.775542][ T73] netlink_unicast+0x449/0x710 [ 3240.775542][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.775542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.775542][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.775542][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.775542][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.775542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.775542][ T73] [ 3240.777768][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.777768][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.777768][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.777768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.777768][ T73] ip6_route_add+0x1c/0x140 [ 3240.777768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3240.777768][ T73] addrconf_add_dev+0xe2/0x170 [ 3240.777768][ T73] inet6_addr_add+0x12f/0xa40 [ 3240.777768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.777768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.777768][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.777768][ T73] netlink_unicast+0x449/0x710 [ 3240.777768][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.777768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.777768][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.777768][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.777768][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.777768][ T73] [ 3240.780024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.780024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3240.780024][ T73] ipv6_find_idev+0x102/0x170 [ 3240.780024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.780024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.780024][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.780024][ T73] netlink_unicast+0x449/0x710 [ 3240.780024][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.780024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.780024][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.780024][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.780024][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.780024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.780024][ T73] [ 3240.781731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3240.781731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3240.781731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3240.781731][ T73] ipv6_find_idev+0x102/0x170 [ 3240.781731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.781731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.781731][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.781731][ T73] netlink_unicast+0x449/0x710 [ 3240.781731][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.781731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.781731][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.781731][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.781731][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.781731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.781731][ T73] [ 3240.783581][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3240.784272][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3240.784272][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.784272][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.784272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.784272][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3240.784272][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3240.784272][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3240.784272][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3240.784272][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3240.784272][ T73] addrconf_dad_begin+0x310/0x670 [ 3240.784272][ T73] addrconf_dad_work+0x10b/0xab0 [ 3240.784272][ T73] process_one_work+0x84d/0x18a0 [ 3240.784272][ T73] worker_thread+0x587/0xd30 [ 3240.784272][ T73] kthread+0x28a/0x350 [ 3240.784272][ T73] ret_from_fork+0x31/0x70 [ 3240.784272][ T73] ret_from_fork_asm+0x1a/0x30 [ 3240.784272][ T73] [ 3240.786174][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3240.786174][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.786174][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.786174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.786174][ T73] ip6_route_add+0x1c/0x140 [ 3240.786174][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3240.786174][ T73] inet6_addr_add+0x4f8/0xa40 [ 3240.786174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.786174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.786174][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.786174][ T73] netlink_unicast+0x449/0x710 [ 3240.786174][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.786174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.786174][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.786174][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.786174][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.786174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.786174][ T73] [ 3240.788273][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3240.788273][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.788273][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.788273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.788273][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3240.788273][ T73] ipv6_add_addr+0x411/0x2000 [ 3240.788273][ T73] inet6_addr_add+0x30e/0xa40 [ 3240.788273][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.788273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.788273][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.788273][ T73] netlink_unicast+0x449/0x710 [ 3240.788273][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.788273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.788273][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.788273][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.788273][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.788273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.788273][ T73] [ 3240.790497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3240.790497][ T73] netdev_get_by_index+0x5e/0x80 [ 3240.790497][ T73] fib6_nh_init+0x3d8/0x1580 [ 3240.790497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3240.790497][ T73] ip6_route_add+0x1c/0x140 [ 3240.790497][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3240.790497][ T73] addrconf_add_dev+0xe2/0x170 [ 3240.790497][ T73] inet6_addr_add+0x12f/0xa40 [ 3240.790497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.790497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.790497][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.790497][ T73] netlink_unicast+0x449/0x710 [ 3240.790497][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.790497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.790497][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.790497][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.790497][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.790497][ T73] [ 3240.792714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3240.792714][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3240.792714][ T73] ipv6_find_idev+0x102/0x170 [ 3240.792714][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.792714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.792714][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.792714][ T73] netlink_unicast+0x449/0x710 [ 3240.792714][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.792714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.792714][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.792714][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.792714][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.792714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.792714][ T73] [ 3240.794421][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3240.794421][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3240.794421][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3240.794421][ T73] ipv6_find_idev+0x102/0x170 [ 3240.794421][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.794421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.794421][ T73] netlink_rcv_skb+0x130/0x360 [ 3240.794421][ T73] netlink_unicast+0x449/0x710 [ 3240.794421][ T73] netlink_sendmsg+0x723/0xbe0 [ 3240.794421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3240.794421][ T73] ___sys_sendmsg+0xee/0x170 [ 3240.794421][ T73] __sys_sendmsg+0xcd/0x170 [ 3240.794421][ T73] do_syscall_64+0xc6/0x1e0 [ 3240.794421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.794421][ T73] [ 3250.862889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3250.863334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.863334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3250.863334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3250.863334][ T73] fib6_nh_init+0xa22/0x1580 [ 3250.863334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.863334][ T73] ip6_route_add+0x1c/0x140 [ 3250.863334][ T73] inet6_rtm_newroute+0x104/0x110 [ 3250.863334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.863334][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.863334][ T73] netlink_unicast+0x449/0x710 [ 3250.863334][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.863334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.863334][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.863334][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.863334][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.863334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.863334][ T73] [ 3250.865235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.865235][ T73] dst_init+0x84/0x4a0 [ 3250.865235][ T73] dst_alloc+0x97/0x150 [ 3250.865235][ T73] ip6_dst_alloc+0x23/0x90 [ 3250.865235][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3250.865235][ T73] ip6_pol_route+0x56f/0x840 [ 3250.865235][ T73] fib6_rule_lookup+0x456/0x630 [ 3250.865235][ T73] ip6_route_input+0x59c/0xa50 [ 3250.865235][ T73] ipv6_rcv+0x397/0x810 [ 3250.865235][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3250.865235][ T73] process_backlog+0x101/0x620 [ 3250.865235][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3250.865235][ T73] net_rx_action+0x495/0xbe0 [ 3250.865235][ T73] __do_softirq+0x1b5/0x7f6 [ 3250.865235][ T73] [ 3250.866890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.866890][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.866890][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.866890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.866890][ T73] ip6_route_add+0x1c/0x140 [ 3250.866890][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3250.866890][ T73] inet6_addr_add+0x4f8/0xa40 [ 3250.866890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.866890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.866890][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.866890][ T73] netlink_unicast+0x449/0x710 [ 3250.866890][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.866890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.866890][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.866890][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.866890][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.866890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.866890][ T73] [ 3250.868877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.868877][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.868877][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.868877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.868877][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3250.868877][ T73] ipv6_add_addr+0x411/0x2000 [ 3250.868877][ T73] inet6_addr_add+0x30e/0xa40 [ 3250.868877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.868877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.868877][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.868877][ T73] netlink_unicast+0x449/0x710 [ 3250.868877][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.868877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.868877][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.868877][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.868877][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.868877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.868877][ T73] [ 3250.870867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.870867][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.870867][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.870867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.870867][ T73] ip6_route_add+0x1c/0x140 [ 3250.870867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3250.870867][ T73] addrconf_add_dev+0xe2/0x170 [ 3250.870867][ T73] inet6_addr_add+0x12f/0xa40 [ 3250.870867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.870867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.870867][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.870867][ T73] netlink_unicast+0x449/0x710 [ 3250.870867][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.870867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.870867][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.870867][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.870867][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.870867][ T73] [ 3250.872825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.872825][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3250.872825][ T73] ipv6_find_idev+0x102/0x170 [ 3250.872825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.872825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.872825][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.872825][ T73] netlink_unicast+0x449/0x710 [ 3250.872825][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.872825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.872825][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.872825][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.872825][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.872825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.872825][ T73] [ 3250.874357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3250.874357][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3250.874357][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3250.874357][ T73] ipv6_find_idev+0x102/0x170 [ 3250.874357][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.874357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.874357][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.874357][ T73] netlink_unicast+0x449/0x710 [ 3250.874357][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.874357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.874357][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.874357][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.874357][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.874357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.874357][ T73] [ 3250.876047][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3250.876310][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.876310][ T73] dst_init+0x84/0x4a0 [ 3250.876310][ T73] dst_alloc+0x97/0x150 [ 3250.876310][ T73] ip6_dst_alloc+0x23/0x90 [ 3250.876310][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3250.876310][ T73] ip6_pol_route+0x56f/0x840 [ 3250.876310][ T73] fib6_rule_lookup+0x456/0x630 [ 3250.876310][ T73] ip6_route_input+0x59c/0xa50 [ 3250.876310][ T73] ipv6_rcv+0x397/0x810 [ 3250.876310][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3250.876310][ T73] process_backlog+0x101/0x620 [ 3250.876310][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3250.876310][ T73] net_rx_action+0x495/0xbe0 [ 3250.876310][ T73] __do_softirq+0x1b5/0x7f6 [ 3250.876310][ T73] [ 3250.877937][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.877937][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.877937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.877937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.877937][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3250.877937][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3250.877937][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3250.877937][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3250.877937][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3250.877937][ T73] addrconf_dad_begin+0x310/0x670 [ 3250.877937][ T73] addrconf_dad_work+0x10b/0xab0 [ 3250.877937][ T73] process_one_work+0x84d/0x18a0 [ 3250.877937][ T73] worker_thread+0x587/0xd30 [ 3250.877937][ T73] kthread+0x28a/0x350 [ 3250.877937][ T73] ret_from_fork+0x31/0x70 [ 3250.877937][ T73] ret_from_fork_asm+0x1a/0x30 [ 3250.877937][ T73] [ 3250.879835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.879835][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.879835][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.879835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.879835][ T73] ip6_route_add+0x1c/0x140 [ 3250.879835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3250.879835][ T73] inet6_addr_add+0x4f8/0xa40 [ 3250.879835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.879835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.879835][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.879835][ T73] netlink_unicast+0x449/0x710 [ 3250.879835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.879835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.879835][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.879835][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.879835][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.879835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.879835][ T73] [ 3250.881817][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.881817][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.881817][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.881817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.881817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3250.881817][ T73] ipv6_add_addr+0x411/0x2000 [ 3250.881817][ T73] inet6_addr_add+0x30e/0xa40 [ 3250.881817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.881817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.881817][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.881817][ T73] netlink_unicast+0x449/0x710 [ 3250.881817][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.881817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.881817][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.881817][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.881817][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.881817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.881817][ T73] [ 3250.883815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.883815][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.883815][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.883815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.883815][ T73] ip6_route_add+0x1c/0x140 [ 3250.883815][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3250.883815][ T73] addrconf_add_dev+0xe2/0x170 [ 3250.883815][ T73] inet6_addr_add+0x12f/0xa40 [ 3250.883815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.883815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.883815][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.883815][ T73] netlink_unicast+0x449/0x710 [ 3250.883815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.883815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.883815][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.883815][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.883815][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.883815][ T73] [ 3250.885777][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.885777][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3250.885777][ T73] ipv6_find_idev+0x102/0x170 [ 3250.885777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.885777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.885777][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.885777][ T73] netlink_unicast+0x449/0x710 [ 3250.885777][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.885777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.885777][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.885777][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.885777][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.885777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.885777][ T73] [ 3250.887308][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3250.887308][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3250.887308][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3250.887308][ T73] ipv6_find_idev+0x102/0x170 [ 3250.887308][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.887308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.887308][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.887308][ T73] netlink_unicast+0x449/0x710 [ 3250.887308][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.887308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.887308][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.887308][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.887308][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.887308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.887308][ T73] [ 3250.889144][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3250.889413][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.889413][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3250.889413][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3250.889413][ T73] fib6_nh_init+0xa22/0x1580 [ 3250.889413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.889413][ T73] ip6_route_add+0x1c/0x140 [ 3250.889413][ T73] inet6_rtm_newroute+0x104/0x110 [ 3250.889413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.889413][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.889413][ T73] netlink_unicast+0x449/0x710 [ 3250.889413][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.889413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.889413][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.889413][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.889413][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.889413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.889413][ T73] [ 3250.891641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.891641][ T73] dst_init+0x84/0x4a0 [ 3250.891641][ T73] dst_alloc+0x97/0x150 [ 3250.891641][ T73] ip6_dst_alloc+0x23/0x90 [ 3250.891641][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3250.891641][ T73] ip6_pol_route+0x56f/0x840 [ 3250.891641][ T73] fib6_rule_lookup+0x456/0x630 [ 3250.891641][ T73] ip6_route_input+0x59c/0xa50 [ 3250.891641][ T73] ipv6_rcv+0x397/0x810 [ 3250.891641][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3250.891641][ T73] process_backlog+0x101/0x620 [ 3250.891641][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3250.891641][ T73] net_rx_action+0x495/0xbe0 [ 3250.891641][ T73] __do_softirq+0x1b5/0x7f6 [ 3250.891641][ T73] [ 3250.893455][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.893455][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.893455][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.893455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.893455][ T73] ip6_route_add+0x1c/0x140 [ 3250.893455][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3250.893455][ T73] inet6_addr_add+0x4f8/0xa40 [ 3250.893455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.893455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.893455][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.893455][ T73] netlink_unicast+0x449/0x710 [ 3250.893455][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.893455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.893455][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.893455][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.893455][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.893455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.893455][ T73] [ 3250.895695][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.895695][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.895695][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.895695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.895695][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3250.895695][ T73] ipv6_add_addr+0x411/0x2000 [ 3250.895695][ T73] inet6_addr_add+0x30e/0xa40 [ 3250.895695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.895695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.895695][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.895695][ T73] netlink_unicast+0x449/0x710 [ 3250.895695][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.895695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.895695][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.895695][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.895695][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.895695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.895695][ T73] [ 3250.897861][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.897861][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.897861][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.897861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.897861][ T73] ip6_route_add+0x1c/0x140 [ 3250.897861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3250.897861][ T73] addrconf_add_dev+0xe2/0x170 [ 3250.897861][ T73] inet6_addr_add+0x12f/0xa40 [ 3250.897861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.897861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.897861][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.897861][ T73] netlink_unicast+0x449/0x710 [ 3250.897861][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.897861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.897861][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.897861][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.897861][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.897861][ T73] [ 3250.900044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.900044][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3250.900044][ T73] ipv6_find_idev+0x102/0x170 [ 3250.900044][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.900044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.900044][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.900044][ T73] netlink_unicast+0x449/0x710 [ 3250.900044][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.900044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.900044][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.900044][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.900044][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.900044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.900044][ T73] [ 3250.901747][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3250.901747][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3250.901747][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3250.901747][ T73] ipv6_find_idev+0x102/0x170 [ 3250.901747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.901747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.901747][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.901747][ T73] netlink_unicast+0x449/0x710 [ 3250.901747][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.901747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.901747][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.901747][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.901747][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.901747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.901747][ T73] [ 3250.903659][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3250.903934][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3250.903934][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.903934][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.903934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.903934][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3250.903934][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3250.903934][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3250.903934][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3250.903934][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3250.903934][ T73] addrconf_dad_begin+0x310/0x670 [ 3250.903934][ T73] addrconf_dad_work+0x10b/0xab0 [ 3250.903934][ T73] process_one_work+0x84d/0x18a0 [ 3250.903934][ T73] worker_thread+0x587/0xd30 [ 3250.903934][ T73] kthread+0x28a/0x350 [ 3250.903934][ T73] ret_from_fork+0x31/0x70 [ 3250.903934][ T73] ret_from_fork_asm+0x1a/0x30 [ 3250.903934][ T73] [ 3250.906136][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3250.906136][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.906136][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.906136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.906136][ T73] ip6_route_add+0x1c/0x140 [ 3250.906136][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3250.906136][ T73] inet6_addr_add+0x4f8/0xa40 [ 3250.906136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.906136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.906136][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.906136][ T73] netlink_unicast+0x449/0x710 [ 3250.906136][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.906136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.906136][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.906136][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.906136][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.906136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.906136][ T73] [ 3250.908293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3250.908293][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.908293][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.908293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.908293][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3250.908293][ T73] ipv6_add_addr+0x411/0x2000 [ 3250.908293][ T73] inet6_addr_add+0x30e/0xa40 [ 3250.908293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.908293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.908293][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.908293][ T73] netlink_unicast+0x449/0x710 [ 3250.908293][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.908293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.908293][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.908293][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.908293][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.908293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.908293][ T73] [ 3250.910516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3250.910516][ T73] netdev_get_by_index+0x5e/0x80 [ 3250.910516][ T73] fib6_nh_init+0x3d8/0x1580 [ 3250.910516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3250.910516][ T73] ip6_route_add+0x1c/0x140 [ 3250.910516][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3250.910516][ T73] addrconf_add_dev+0xe2/0x170 [ 3250.910516][ T73] inet6_addr_add+0x12f/0xa40 [ 3250.910516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.910516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.910516][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.910516][ T73] netlink_unicast+0x449/0x710 [ 3250.910516][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.910516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.910516][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.910516][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.910516][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.910516][ T73] [ 3250.912740][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3250.912740][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3250.912740][ T73] ipv6_find_idev+0x102/0x170 [ 3250.912740][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.912740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.912740][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.912740][ T73] netlink_unicast+0x449/0x710 [ 3250.912740][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.912740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.912740][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.912740][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.912740][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.912740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.912740][ T73] [ 3250.914466][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3250.914466][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3250.914466][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3250.914466][ T73] ipv6_find_idev+0x102/0x170 [ 3250.914466][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.914466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.914466][ T73] netlink_rcv_skb+0x130/0x360 [ 3250.914466][ T73] netlink_unicast+0x449/0x710 [ 3250.914466][ T73] netlink_sendmsg+0x723/0xbe0 [ 3250.914466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3250.914466][ T73] ___sys_sendmsg+0xee/0x170 [ 3250.914466][ T73] __sys_sendmsg+0xcd/0x170 [ 3250.914466][ T73] do_syscall_64+0xc6/0x1e0 [ 3250.914466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.914466][ T73] [ 3261.158894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3261.159361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.159361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3261.159361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3261.159361][ T73] fib6_nh_init+0xa22/0x1580 [ 3261.159361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.159361][ T73] ip6_route_add+0x1c/0x140 [ 3261.159361][ T73] inet6_rtm_newroute+0x104/0x110 [ 3261.159361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.159361][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.159361][ T73] netlink_unicast+0x449/0x710 [ 3261.159361][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.159361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.159361][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.159361][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.159361][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.159361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.159361][ T73] [ 3261.161249][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.161249][ T73] dst_init+0x84/0x4a0 [ 3261.161249][ T73] dst_alloc+0x97/0x150 [ 3261.161249][ T73] ip6_dst_alloc+0x23/0x90 [ 3261.161249][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3261.161249][ T73] ip6_pol_route+0x56f/0x840 [ 3261.161249][ T73] fib6_rule_lookup+0x456/0x630 [ 3261.161249][ T73] ip6_route_input+0x59c/0xa50 [ 3261.161249][ T73] ipv6_rcv+0x397/0x810 [ 3261.161249][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3261.161249][ T73] process_backlog+0x101/0x620 [ 3261.161249][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3261.161249][ T73] net_rx_action+0x495/0xbe0 [ 3261.161249][ T73] __do_softirq+0x1b5/0x7f6 [ 3261.161249][ T73] [ 3261.162875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.162875][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.162875][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.162875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.162875][ T73] ip6_route_add+0x1c/0x140 [ 3261.162875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3261.162875][ T73] inet6_addr_add+0x4f8/0xa40 [ 3261.162875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.162875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.162875][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.162875][ T73] netlink_unicast+0x449/0x710 [ 3261.162875][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.162875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.162875][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.162875][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.162875][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.162875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.162875][ T73] [ 3261.164856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.164856][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.164856][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.164856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.164856][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3261.164856][ T73] ipv6_add_addr+0x411/0x2000 [ 3261.164856][ T73] inet6_addr_add+0x30e/0xa40 [ 3261.164856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.164856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.164856][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.164856][ T73] netlink_unicast+0x449/0x710 [ 3261.164856][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.164856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.164856][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.164856][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.164856][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.164856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.164856][ T73] [ 3261.166840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.166840][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.166840][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.166840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.166840][ T73] ip6_route_add+0x1c/0x140 [ 3261.166840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3261.166840][ T73] addrconf_add_dev+0xe2/0x170 [ 3261.166840][ T73] inet6_addr_add+0x12f/0xa40 [ 3261.166840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.166840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.166840][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.166840][ T73] netlink_unicast+0x449/0x710 [ 3261.166840][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.166840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.166840][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.166840][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.166840][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.166840][ T73] [ 3261.169308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.169308][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3261.169308][ T73] ipv6_find_idev+0x102/0x170 [ 3261.169308][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.169308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.169308][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.169308][ T73] netlink_unicast+0x449/0x710 [ 3261.169308][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.169308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.169308][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.169308][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.169308][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.169308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.169308][ T73] [ 3261.170830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3261.170830][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3261.170830][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3261.170830][ T73] ipv6_find_idev+0x102/0x170 [ 3261.170830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.170830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.170830][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.170830][ T73] netlink_unicast+0x449/0x710 [ 3261.170830][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.170830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.170830][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.170830][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.170830][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.170830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.170830][ T73] [ 3261.172500][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3261.172764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.172764][ T73] dst_init+0x84/0x4a0 [ 3261.172764][ T73] dst_alloc+0x97/0x150 [ 3261.172764][ T73] ip6_dst_alloc+0x23/0x90 [ 3261.172764][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3261.172764][ T73] ip6_pol_route+0x56f/0x840 [ 3261.172764][ T73] fib6_rule_lookup+0x456/0x630 [ 3261.172764][ T73] ip6_route_input+0x59c/0xa50 [ 3261.172764][ T73] ipv6_rcv+0x397/0x810 [ 3261.172764][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3261.172764][ T73] process_backlog+0x101/0x620 [ 3261.172764][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3261.172764][ T73] net_rx_action+0x495/0xbe0 [ 3261.172764][ T73] __do_softirq+0x1b5/0x7f6 [ 3261.172764][ T73] [ 3261.174408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.174408][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.174408][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.174408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.174408][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3261.174408][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3261.174408][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3261.174408][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3261.174408][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3261.174408][ T73] addrconf_dad_begin+0x310/0x670 [ 3261.174408][ T73] addrconf_dad_work+0x10b/0xab0 [ 3261.174408][ T73] process_one_work+0x84d/0x18a0 [ 3261.174408][ T73] worker_thread+0x587/0xd30 [ 3261.174408][ T73] kthread+0x28a/0x350 [ 3261.174408][ T73] ret_from_fork+0x31/0x70 [ 3261.174408][ T73] ret_from_fork_asm+0x1a/0x30 [ 3261.174408][ T73] [ 3261.176353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.176353][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.176353][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.176353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.176353][ T73] ip6_route_add+0x1c/0x140 [ 3261.176353][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3261.176353][ T73] inet6_addr_add+0x4f8/0xa40 [ 3261.176353][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.176353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.176353][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.176353][ T73] netlink_unicast+0x449/0x710 [ 3261.176353][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.176353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.176353][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.176353][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.176353][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.176353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.176353][ T73] [ 3261.178330][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.178330][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.178330][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.178330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.178330][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3261.178330][ T73] ipv6_add_addr+0x411/0x2000 [ 3261.178330][ T73] inet6_addr_add+0x30e/0xa40 [ 3261.178330][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.178330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.178330][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.178330][ T73] netlink_unicast+0x449/0x710 [ 3261.178330][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.178330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.178330][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.178330][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.178330][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.178330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.178330][ T73] [ 3261.180305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.180305][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.180305][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.180305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.180305][ T73] ip6_route_add+0x1c/0x140 [ 3261.180305][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3261.180305][ T73] addrconf_add_dev+0xe2/0x170 [ 3261.180305][ T73] inet6_addr_add+0x12f/0xa40 [ 3261.180305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.180305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.180305][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.180305][ T73] netlink_unicast+0x449/0x710 [ 3261.180305][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.180305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.180305][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.180305][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.180305][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.180305][ T73] [ 3261.182243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.182243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3261.182243][ T73] ipv6_find_idev+0x102/0x170 [ 3261.182243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.182243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.182243][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.182243][ T73] netlink_unicast+0x449/0x710 [ 3261.182243][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.182243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.182243][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.182243][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.182243][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.182243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.182243][ T73] [ 3261.183762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3261.183762][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3261.183762][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3261.183762][ T73] ipv6_find_idev+0x102/0x170 [ 3261.183762][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.183762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.183762][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.183762][ T73] netlink_unicast+0x449/0x710 [ 3261.183762][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.183762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.183762][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.183762][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.183762][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.183762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.183762][ T73] [ 3261.185886][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3261.186159][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.186159][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3261.186159][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3261.186159][ T73] fib6_nh_init+0xa22/0x1580 [ 3261.186159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.186159][ T73] ip6_route_add+0x1c/0x140 [ 3261.186159][ T73] inet6_rtm_newroute+0x104/0x110 [ 3261.186159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.186159][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.186159][ T73] netlink_unicast+0x449/0x710 [ 3261.186159][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.186159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.186159][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.186159][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.186159][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.186159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.186159][ T73] [ 3261.188144][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.188144][ T73] dst_init+0x84/0x4a0 [ 3261.188144][ T73] dst_alloc+0x97/0x150 [ 3261.188144][ T73] ip6_dst_alloc+0x23/0x90 [ 3261.188144][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3261.188144][ T73] ip6_pol_route+0x56f/0x840 [ 3261.188144][ T73] fib6_rule_lookup+0x456/0x630 [ 3261.188144][ T73] ip6_route_input+0x59c/0xa50 [ 3261.188144][ T73] ipv6_rcv+0x397/0x810 [ 3261.188144][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3261.188144][ T73] process_backlog+0x101/0x620 [ 3261.188144][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3261.188144][ T73] net_rx_action+0x495/0xbe0 [ 3261.188144][ T73] __do_softirq+0x1b5/0x7f6 [ 3261.188144][ T73] [ 3261.189887][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.189887][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.189887][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.189887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.189887][ T73] ip6_route_add+0x1c/0x140 [ 3261.189887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3261.189887][ T73] inet6_addr_add+0x4f8/0xa40 [ 3261.189887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.189887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.189887][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.189887][ T73] netlink_unicast+0x449/0x710 [ 3261.189887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.189887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.189887][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.189887][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.189887][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.189887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.189887][ T73] [ 3261.191989][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.191989][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.191989][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.191989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.191989][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3261.191989][ T73] ipv6_add_addr+0x411/0x2000 [ 3261.191989][ T73] inet6_addr_add+0x30e/0xa40 [ 3261.191989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.191989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.191989][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.191989][ T73] netlink_unicast+0x449/0x710 [ 3261.191989][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.191989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.191989][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.191989][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.191989][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.191989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.191989][ T73] [ 3261.194025][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.194025][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.194025][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.194025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.194025][ T73] ip6_route_add+0x1c/0x140 [ 3261.194025][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3261.194025][ T73] addrconf_add_dev+0xe2/0x170 [ 3261.194025][ T73] inet6_addr_add+0x12f/0xa40 [ 3261.194025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.194025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.194025][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.194025][ T73] netlink_unicast+0x449/0x710 [ 3261.194025][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.194025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.194025][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.194025][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.194025][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.194025][ T73] [ 3261.196103][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.196103][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3261.196103][ T73] ipv6_find_idev+0x102/0x170 [ 3261.196103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.196103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.196103][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.196103][ T73] netlink_unicast+0x449/0x710 [ 3261.196103][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.196103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.196103][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.196103][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.196103][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.196103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.196103][ T73] [ 3261.197751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3261.197751][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3261.197751][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3261.197751][ T73] ipv6_find_idev+0x102/0x170 [ 3261.197751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.197751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.197751][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.197751][ T73] netlink_unicast+0x449/0x710 [ 3261.197751][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.197751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.197751][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.197751][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.197751][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.197751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.197751][ T73] [ 3261.199539][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3261.199805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3261.199805][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.199805][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.199805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.199805][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3261.199805][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3261.199805][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3261.199805][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3261.199805][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3261.199805][ T73] addrconf_dad_begin+0x310/0x670 [ 3261.199805][ T73] addrconf_dad_work+0x10b/0xab0 [ 3261.199805][ T73] process_one_work+0x84d/0x18a0 [ 3261.199805][ T73] worker_thread+0x587/0xd30 [ 3261.199805][ T73] kthread+0x28a/0x350 [ 3261.199805][ T73] ret_from_fork+0x31/0x70 [ 3261.199805][ T73] ret_from_fork_asm+0x1a/0x30 [ 3261.199805][ T73] [ 3261.201809][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3261.201809][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.201809][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.201809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.201809][ T73] ip6_route_add+0x1c/0x140 [ 3261.201809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3261.201809][ T73] inet6_addr_add+0x4f8/0xa40 [ 3261.201809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.201809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.201809][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.201809][ T73] netlink_unicast+0x449/0x710 [ 3261.201809][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.201809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.201809][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.201809][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.201809][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.201809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.201809][ T73] [ 3261.203839][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3261.203839][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.203839][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.203839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.203839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3261.203839][ T73] ipv6_add_addr+0x411/0x2000 [ 3261.203839][ T73] inet6_addr_add+0x30e/0xa40 [ 3261.203839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.203839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.203839][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.203839][ T73] netlink_unicast+0x449/0x710 [ 3261.203839][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.203839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.203839][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.203839][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.203839][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.203839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.203839][ T73] [ 3261.205945][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3261.205945][ T73] netdev_get_by_index+0x5e/0x80 [ 3261.205945][ T73] fib6_nh_init+0x3d8/0x1580 [ 3261.205945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3261.205945][ T73] ip6_route_add+0x1c/0x140 [ 3261.205945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3261.205945][ T73] addrconf_add_dev+0xe2/0x170 [ 3261.205945][ T73] inet6_addr_add+0x12f/0xa40 [ 3261.205945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3261.205945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.205945][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.205945][ T73] netlink_unicast+0x449/0x710 [ 3261.205945][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.205945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.205945][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.205945][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.205945][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.205945][ T73] [ 3261.208017][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3261.208017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3261.208017][ T73] ipv6_find_idev+0x102/0x170 [ 3261.208017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.208017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.208017][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.208017][ T73] netlink_unicast+0x449/0x710 [ 3261.208017][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.208017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.208017][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.208017][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.208017][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.208017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.208017][ T73] [ 3261.209666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3261.209666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3261.209666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3261.209666][ T73] ipv6_find_idev+0x102/0x170 [ 3261.209666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3261.209666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3261.209666][ T73] netlink_rcv_skb+0x130/0x360 [ 3261.209666][ T73] netlink_unicast+0x449/0x710 [ 3261.209666][ T73] netlink_sendmsg+0x723/0xbe0 [ 3261.209666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3261.209666][ T73] ___sys_sendmsg+0xee/0x170 [ 3261.209666][ T73] __sys_sendmsg+0xcd/0x170 [ 3261.209666][ T73] do_syscall_64+0xc6/0x1e0 [ 3261.209666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3261.209666][ T73] [ 3271.238909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3271.239362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.239362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3271.239362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3271.239362][ T73] fib6_nh_init+0xa22/0x1580 [ 3271.239362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.239362][ T73] ip6_route_add+0x1c/0x140 [ 3271.239362][ T73] inet6_rtm_newroute+0x104/0x110 [ 3271.239362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.239362][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.239362][ T73] netlink_unicast+0x449/0x710 [ 3271.239362][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.239362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.239362][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.239362][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.239362][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.239362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.239362][ T73] [ 3271.241238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.241238][ T73] dst_init+0x84/0x4a0 [ 3271.241238][ T73] dst_alloc+0x97/0x150 [ 3271.241238][ T73] ip6_dst_alloc+0x23/0x90 [ 3271.241238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3271.241238][ T73] ip6_pol_route+0x56f/0x840 [ 3271.241238][ T73] fib6_rule_lookup+0x456/0x630 [ 3271.241238][ T73] ip6_route_input+0x59c/0xa50 [ 3271.241238][ T73] ipv6_rcv+0x397/0x810 [ 3271.241238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3271.241238][ T73] process_backlog+0x101/0x620 [ 3271.241238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3271.241238][ T73] net_rx_action+0x495/0xbe0 [ 3271.241238][ T73] __do_softirq+0x1b5/0x7f6 [ 3271.241238][ T73] [ 3271.242871][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.242871][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.242871][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.242871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.242871][ T73] ip6_route_add+0x1c/0x140 [ 3271.242871][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3271.242871][ T73] inet6_addr_add+0x4f8/0xa40 [ 3271.242871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.242871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.242871][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.242871][ T73] netlink_unicast+0x449/0x710 [ 3271.242871][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.242871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.242871][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.242871][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.242871][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.242871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.242871][ T73] [ 3271.244855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.244855][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.244855][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.244855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.244855][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3271.244855][ T73] ipv6_add_addr+0x411/0x2000 [ 3271.244855][ T73] inet6_addr_add+0x30e/0xa40 [ 3271.244855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.244855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.244855][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.244855][ T73] netlink_unicast+0x449/0x710 [ 3271.244855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.244855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.244855][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.244855][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.244855][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.244855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.244855][ T73] [ 3271.246847][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.246847][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.246847][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.246847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.246847][ T73] ip6_route_add+0x1c/0x140 [ 3271.246847][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3271.246847][ T73] addrconf_add_dev+0xe2/0x170 [ 3271.246847][ T73] inet6_addr_add+0x12f/0xa40 [ 3271.246847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.246847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.246847][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.246847][ T73] netlink_unicast+0x449/0x710 [ 3271.246847][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.246847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.246847][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.246847][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.246847][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.246847][ T73] [ 3271.248799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.248799][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3271.248799][ T73] ipv6_find_idev+0x102/0x170 [ 3271.248799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.248799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.248799][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.248799][ T73] netlink_unicast+0x449/0x710 [ 3271.248799][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.248799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.248799][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.248799][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.248799][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.248799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.248799][ T73] [ 3271.250325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3271.250325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3271.250325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3271.250325][ T73] ipv6_find_idev+0x102/0x170 [ 3271.250325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.250325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.250325][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.250325][ T73] netlink_unicast+0x449/0x710 [ 3271.250325][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.250325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.250325][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.250325][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.250325][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.250325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.250325][ T73] [ 3271.251998][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3271.252274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.252274][ T73] dst_init+0x84/0x4a0 [ 3271.252274][ T73] dst_alloc+0x97/0x150 [ 3271.252274][ T73] ip6_dst_alloc+0x23/0x90 [ 3271.252274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3271.252274][ T73] ip6_pol_route+0x56f/0x840 [ 3271.252274][ T73] fib6_rule_lookup+0x456/0x630 [ 3271.252274][ T73] ip6_route_input+0x59c/0xa50 [ 3271.252274][ T73] ipv6_rcv+0x397/0x810 [ 3271.252274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3271.252274][ T73] process_backlog+0x101/0x620 [ 3271.252274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3271.252274][ T73] net_rx_action+0x495/0xbe0 [ 3271.252274][ T73] __do_softirq+0x1b5/0x7f6 [ 3271.252274][ T73] [ 3271.253909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.253909][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.253909][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.253909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.253909][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3271.253909][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3271.253909][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3271.253909][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3271.253909][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3271.253909][ T73] addrconf_dad_begin+0x310/0x670 [ 3271.253909][ T73] addrconf_dad_work+0x10b/0xab0 [ 3271.253909][ T73] process_one_work+0x84d/0x18a0 [ 3271.253909][ T73] worker_thread+0x587/0xd30 [ 3271.253909][ T73] kthread+0x28a/0x350 [ 3271.253909][ T73] ret_from_fork+0x31/0x70 [ 3271.253909][ T73] ret_from_fork_asm+0x1a/0x30 [ 3271.253909][ T73] [ 3271.256195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.256195][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.256195][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.256195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.256195][ T73] ip6_route_add+0x1c/0x140 [ 3271.256195][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3271.256195][ T73] inet6_addr_add+0x4f8/0xa40 [ 3271.256195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.256195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.256195][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.256195][ T73] netlink_unicast+0x449/0x710 [ 3271.256195][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.256195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.256195][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.256195][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.256195][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.256195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.256195][ T73] [ 3271.258179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.258179][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.258179][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.258179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.258179][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3271.258179][ T73] ipv6_add_addr+0x411/0x2000 [ 3271.258179][ T73] inet6_addr_add+0x30e/0xa40 [ 3271.258179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.258179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.258179][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.258179][ T73] netlink_unicast+0x449/0x710 [ 3271.258179][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.258179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.258179][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.258179][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.258179][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.258179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.258179][ T73] [ 3271.260511][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.260511][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.260511][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.260511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.260511][ T73] ip6_route_add+0x1c/0x140 [ 3271.260511][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3271.260511][ T73] addrconf_add_dev+0xe2/0x170 [ 3271.260511][ T73] inet6_addr_add+0x12f/0xa40 [ 3271.260511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.260511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.260511][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.260511][ T73] netlink_unicast+0x449/0x710 [ 3271.260511][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.260511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.260511][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.260511][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.260511][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.260511][ T73] [ 3271.262454][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.262454][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3271.262454][ T73] ipv6_find_idev+0x102/0x170 [ 3271.262454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.262454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.262454][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.262454][ T73] netlink_unicast+0x449/0x710 [ 3271.262454][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.262454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.262454][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.262454][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.262454][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.262454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.262454][ T73] [ 3271.263981][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3271.263981][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3271.263981][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3271.263981][ T73] ipv6_find_idev+0x102/0x170 [ 3271.263981][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.263981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.263981][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.263981][ T73] netlink_unicast+0x449/0x710 [ 3271.263981][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.263981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.263981][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.263981][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.263981][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.263981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.263981][ T73] [ 3271.265795][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3271.266062][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.266062][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3271.266062][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3271.266062][ T73] fib6_nh_init+0xa22/0x1580 [ 3271.266062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.266062][ T73] ip6_route_add+0x1c/0x140 [ 3271.266062][ T73] inet6_rtm_newroute+0x104/0x110 [ 3271.266062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.266062][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.266062][ T73] netlink_unicast+0x449/0x710 [ 3271.266062][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.266062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.266062][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.266062][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.266062][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.266062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.266062][ T73] [ 3271.268221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.268221][ T73] dst_init+0x84/0x4a0 [ 3271.268221][ T73] dst_alloc+0x97/0x150 [ 3271.268221][ T73] ip6_dst_alloc+0x23/0x90 [ 3271.268221][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3271.268221][ T73] ip6_pol_route+0x56f/0x840 [ 3271.268221][ T73] fib6_rule_lookup+0x456/0x630 [ 3271.268221][ T73] ip6_route_input+0x59c/0xa50 [ 3271.268221][ T73] ipv6_rcv+0x397/0x810 [ 3271.268221][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3271.268221][ T73] process_backlog+0x101/0x620 [ 3271.268221][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3271.268221][ T73] net_rx_action+0x495/0xbe0 [ 3271.268221][ T73] __do_softirq+0x1b5/0x7f6 [ 3271.268221][ T73] [ 3271.270021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.270021][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.270021][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.270021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.270021][ T73] ip6_route_add+0x1c/0x140 [ 3271.270021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3271.270021][ T73] inet6_addr_add+0x4f8/0xa40 [ 3271.270021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.270021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.270021][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.270021][ T73] netlink_unicast+0x449/0x710 [ 3271.270021][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.270021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.270021][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.270021][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.270021][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.270021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.270021][ T73] [ 3271.272241][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.272241][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.272241][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.272241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.272241][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3271.272241][ T73] ipv6_add_addr+0x411/0x2000 [ 3271.272241][ T73] inet6_addr_add+0x30e/0xa40 [ 3271.272241][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.272241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.272241][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.272241][ T73] netlink_unicast+0x449/0x710 [ 3271.272241][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.272241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.272241][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.272241][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.272241][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.272241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.272241][ T73] [ 3271.274461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.274461][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.274461][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.274461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.274461][ T73] ip6_route_add+0x1c/0x140 [ 3271.274461][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3271.274461][ T73] addrconf_add_dev+0xe2/0x170 [ 3271.274461][ T73] inet6_addr_add+0x12f/0xa40 [ 3271.274461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.274461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.274461][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.274461][ T73] netlink_unicast+0x449/0x710 [ 3271.274461][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.274461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.274461][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.274461][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.274461][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.274461][ T73] [ 3271.277241][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.277241][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3271.277241][ T73] ipv6_find_idev+0x102/0x170 [ 3271.277241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.277241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.277241][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.277241][ T73] netlink_unicast+0x449/0x710 [ 3271.277241][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.277241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.277241][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.277241][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.277241][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.277241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.277241][ T73] [ 3271.278885][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3271.278885][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3271.278885][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3271.278885][ T73] ipv6_find_idev+0x102/0x170 [ 3271.278885][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.278885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.278885][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.278885][ T73] netlink_unicast+0x449/0x710 [ 3271.278885][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.278885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.278885][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.278885][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.278885][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.278885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.278885][ T73] [ 3271.280798][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3271.281442][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3271.281442][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.281442][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.281442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.281442][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3271.281442][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3271.281442][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3271.281442][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3271.281442][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3271.281442][ T73] addrconf_dad_begin+0x310/0x670 [ 3271.281442][ T73] addrconf_dad_work+0x10b/0xab0 [ 3271.281442][ T73] process_one_work+0x84d/0x18a0 [ 3271.281442][ T73] worker_thread+0x587/0xd30 [ 3271.281442][ T73] kthread+0x28a/0x350 [ 3271.281442][ T73] ret_from_fork+0x31/0x70 [ 3271.281442][ T73] ret_from_fork_asm+0x1a/0x30 [ 3271.281442][ T73] [ 3271.283575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3271.283575][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.283575][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.283575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.283575][ T73] ip6_route_add+0x1c/0x140 [ 3271.283575][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3271.283575][ T73] inet6_addr_add+0x4f8/0xa40 [ 3271.283575][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.283575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.283575][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.283575][ T73] netlink_unicast+0x449/0x710 [ 3271.283575][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.283575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.283575][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.283575][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.283575][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.283575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.283575][ T73] [ 3271.285802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3271.285802][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.285802][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.285802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.285802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3271.285802][ T73] ipv6_add_addr+0x411/0x2000 [ 3271.285802][ T73] inet6_addr_add+0x30e/0xa40 [ 3271.285802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.285802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.285802][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.285802][ T73] netlink_unicast+0x449/0x710 [ 3271.285802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.285802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.285802][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.285802][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.285802][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.285802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.285802][ T73] [ 3271.288016][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3271.288016][ T73] netdev_get_by_index+0x5e/0x80 [ 3271.288016][ T73] fib6_nh_init+0x3d8/0x1580 [ 3271.288016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3271.288016][ T73] ip6_route_add+0x1c/0x140 [ 3271.288016][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3271.288016][ T73] addrconf_add_dev+0xe2/0x170 [ 3271.288016][ T73] inet6_addr_add+0x12f/0xa40 [ 3271.288016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.288016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.288016][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.288016][ T73] netlink_unicast+0x449/0x710 [ 3271.288016][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.288016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.288016][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.288016][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.288016][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.288016][ T73] [ 3271.290201][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3271.290201][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3271.290201][ T73] ipv6_find_idev+0x102/0x170 [ 3271.290201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.290201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.290201][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.290201][ T73] netlink_unicast+0x449/0x710 [ 3271.290201][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.290201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.290201][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.290201][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.290201][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.290201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.290201][ T73] [ 3271.291904][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3271.291904][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3271.291904][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3271.291904][ T73] ipv6_find_idev+0x102/0x170 [ 3271.291904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.291904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.291904][ T73] netlink_rcv_skb+0x130/0x360 [ 3271.291904][ T73] netlink_unicast+0x449/0x710 [ 3271.291904][ T73] netlink_sendmsg+0x723/0xbe0 [ 3271.291904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3271.291904][ T73] ___sys_sendmsg+0xee/0x170 [ 3271.291904][ T73] __sys_sendmsg+0xcd/0x170 [ 3271.291904][ T73] do_syscall_64+0xc6/0x1e0 [ 3271.291904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.291904][ T73] [ 3281.350901][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3281.351364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.351364][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3281.351364][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3281.351364][ T73] fib6_nh_init+0xa22/0x1580 [ 3281.351364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.351364][ T73] ip6_route_add+0x1c/0x140 [ 3281.351364][ T73] inet6_rtm_newroute+0x104/0x110 [ 3281.351364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.351364][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.351364][ T73] netlink_unicast+0x449/0x710 [ 3281.351364][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.351364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.351364][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.351364][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.351364][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.351364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.351364][ T73] [ 3281.353287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.353287][ T73] dst_init+0x84/0x4a0 [ 3281.353287][ T73] dst_alloc+0x97/0x150 [ 3281.353287][ T73] ip6_dst_alloc+0x23/0x90 [ 3281.353287][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3281.353287][ T73] ip6_pol_route+0x56f/0x840 [ 3281.353287][ T73] fib6_rule_lookup+0x456/0x630 [ 3281.353287][ T73] ip6_route_input+0x59c/0xa50 [ 3281.353287][ T73] ipv6_rcv+0x397/0x810 [ 3281.353287][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3281.353287][ T73] process_backlog+0x101/0x620 [ 3281.353287][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3281.353287][ T73] net_rx_action+0x495/0xbe0 [ 3281.353287][ T73] __do_softirq+0x1b5/0x7f6 [ 3281.353287][ T73] [ 3281.354937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.354937][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.354937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.354937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.354937][ T73] ip6_route_add+0x1c/0x140 [ 3281.354937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3281.354937][ T73] inet6_addr_add+0x4f8/0xa40 [ 3281.354937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.354937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.354937][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.354937][ T73] netlink_unicast+0x449/0x710 [ 3281.354937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.354937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.354937][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.354937][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.354937][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.354937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.354937][ T73] [ 3281.356960][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.356960][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.356960][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.356960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.356960][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3281.356960][ T73] ipv6_add_addr+0x411/0x2000 [ 3281.356960][ T73] inet6_addr_add+0x30e/0xa40 [ 3281.356960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.356960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.356960][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.356960][ T73] netlink_unicast+0x449/0x710 [ 3281.356960][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.356960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.356960][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.356960][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.356960][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.356960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.356960][ T73] [ 3281.358967][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.358967][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.358967][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.358967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.358967][ T73] ip6_route_add+0x1c/0x140 [ 3281.358967][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3281.358967][ T73] addrconf_add_dev+0xe2/0x170 [ 3281.358967][ T73] inet6_addr_add+0x12f/0xa40 [ 3281.358967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.358967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.358967][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.358967][ T73] netlink_unicast+0x449/0x710 [ 3281.358967][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.358967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.358967][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.358967][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.358967][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.358967][ T73] [ 3281.360937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.360937][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3281.360937][ T73] ipv6_find_idev+0x102/0x170 [ 3281.360937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.360937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.360937][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.360937][ T73] netlink_unicast+0x449/0x710 [ 3281.360937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.360937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.360937][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.360937][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.360937][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.360937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.360937][ T73] [ 3281.362482][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3281.362482][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3281.362482][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3281.362482][ T73] ipv6_find_idev+0x102/0x170 [ 3281.362482][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.362482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.362482][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.362482][ T73] netlink_unicast+0x449/0x710 [ 3281.362482][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.362482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.362482][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.362482][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.362482][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.362482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.362482][ T73] [ 3281.364184][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3281.364455][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.364455][ T73] dst_init+0x84/0x4a0 [ 3281.364455][ T73] dst_alloc+0x97/0x150 [ 3281.364455][ T73] ip6_dst_alloc+0x23/0x90 [ 3281.364455][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3281.364455][ T73] ip6_pol_route+0x56f/0x840 [ 3281.364455][ T73] fib6_rule_lookup+0x456/0x630 [ 3281.364455][ T73] ip6_route_input+0x59c/0xa50 [ 3281.364455][ T73] ipv6_rcv+0x397/0x810 [ 3281.364455][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3281.364455][ T73] process_backlog+0x101/0x620 [ 3281.364455][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3281.364455][ T73] net_rx_action+0x495/0xbe0 [ 3281.364455][ T73] __do_softirq+0x1b5/0x7f6 [ 3281.364455][ T73] [ 3281.366127][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.366127][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.366127][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.366127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.366127][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3281.366127][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3281.366127][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3281.366127][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3281.366127][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3281.366127][ T73] addrconf_dad_begin+0x310/0x670 [ 3281.366127][ T73] addrconf_dad_work+0x10b/0xab0 [ 3281.366127][ T73] process_one_work+0x84d/0x18a0 [ 3281.366127][ T73] worker_thread+0x587/0xd30 [ 3281.366127][ T73] kthread+0x28a/0x350 [ 3281.366127][ T73] ret_from_fork+0x31/0x70 [ 3281.366127][ T73] ret_from_fork_asm+0x1a/0x30 [ 3281.366127][ T73] [ 3281.368044][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.368044][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.368044][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.368044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.368044][ T73] ip6_route_add+0x1c/0x140 [ 3281.368044][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3281.368044][ T73] inet6_addr_add+0x4f8/0xa40 [ 3281.368044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.368044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.368044][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.368044][ T73] netlink_unicast+0x449/0x710 [ 3281.368044][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.368044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.368044][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.368044][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.368044][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.368044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.368044][ T73] [ 3281.370049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.370049][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.370049][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.370049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.370049][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3281.370049][ T73] ipv6_add_addr+0x411/0x2000 [ 3281.370049][ T73] inet6_addr_add+0x30e/0xa40 [ 3281.370049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.370049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.370049][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.370049][ T73] netlink_unicast+0x449/0x710 [ 3281.370049][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.370049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.370049][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.370049][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.370049][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.370049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.370049][ T73] [ 3281.372053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.372053][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.372053][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.372053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.372053][ T73] ip6_route_add+0x1c/0x140 [ 3281.372053][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3281.372053][ T73] addrconf_add_dev+0xe2/0x170 [ 3281.372053][ T73] inet6_addr_add+0x12f/0xa40 [ 3281.372053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.372053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.372053][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.372053][ T73] netlink_unicast+0x449/0x710 [ 3281.372053][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.372053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.372053][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.372053][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.372053][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.372053][ T73] [ 3281.374022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.374022][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3281.374022][ T73] ipv6_find_idev+0x102/0x170 [ 3281.374022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.374022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.374022][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.374022][ T73] netlink_unicast+0x449/0x710 [ 3281.374022][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.374022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.374022][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.374022][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.374022][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.374022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.374022][ T73] [ 3281.375570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3281.375570][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3281.375570][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3281.375570][ T73] ipv6_find_idev+0x102/0x170 [ 3281.375570][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.375570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.375570][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.375570][ T73] netlink_unicast+0x449/0x710 [ 3281.375570][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.375570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.375570][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.375570][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.375570][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.375570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.375570][ T73] [ 3281.377406][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3281.377686][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.377686][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3281.377686][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3281.377686][ T73] fib6_nh_init+0xa22/0x1580 [ 3281.377686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.377686][ T73] ip6_route_add+0x1c/0x140 [ 3281.377686][ T73] inet6_rtm_newroute+0x104/0x110 [ 3281.377686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.377686][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.377686][ T73] netlink_unicast+0x449/0x710 [ 3281.377686][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.377686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.377686][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.377686][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.377686][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.377686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.377686][ T73] [ 3281.379808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.379808][ T73] dst_init+0x84/0x4a0 [ 3281.379808][ T73] dst_alloc+0x97/0x150 [ 3281.379808][ T73] ip6_dst_alloc+0x23/0x90 [ 3281.379808][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3281.379808][ T73] ip6_pol_route+0x56f/0x840 [ 3281.379808][ T73] fib6_rule_lookup+0x456/0x630 [ 3281.379808][ T73] ip6_route_input+0x59c/0xa50 [ 3281.379808][ T73] ipv6_rcv+0x397/0x810 [ 3281.379808][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3281.379808][ T73] process_backlog+0x101/0x620 [ 3281.379808][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3281.379808][ T73] net_rx_action+0x495/0xbe0 [ 3281.379808][ T73] __do_softirq+0x1b5/0x7f6 [ 3281.379808][ T73] [ 3281.381629][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.381629][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.381629][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.381629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.381629][ T73] ip6_route_add+0x1c/0x140 [ 3281.381629][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3281.381629][ T73] inet6_addr_add+0x4f8/0xa40 [ 3281.381629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.381629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.381629][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.381629][ T73] netlink_unicast+0x449/0x710 [ 3281.381629][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.381629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.381629][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.381629][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.381629][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.381629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.381629][ T73] [ 3281.383931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.383931][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.383931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.383931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.383931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3281.383931][ T73] ipv6_add_addr+0x411/0x2000 [ 3281.383931][ T73] inet6_addr_add+0x30e/0xa40 [ 3281.383931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.383931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.383931][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.383931][ T73] netlink_unicast+0x449/0x710 [ 3281.383931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.383931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.383931][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.383931][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.383931][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.383931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.383931][ T73] [ 3281.386183][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.386183][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.386183][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.386183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.386183][ T73] ip6_route_add+0x1c/0x140 [ 3281.386183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3281.386183][ T73] addrconf_add_dev+0xe2/0x170 [ 3281.386183][ T73] inet6_addr_add+0x12f/0xa40 [ 3281.386183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.386183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.386183][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.386183][ T73] netlink_unicast+0x449/0x710 [ 3281.386183][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.386183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.386183][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.386183][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.386183][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.386183][ T73] [ 3281.388328][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.388328][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3281.388328][ T73] ipv6_find_idev+0x102/0x170 [ 3281.388328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.388328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.388328][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.388328][ T73] netlink_unicast+0x449/0x710 [ 3281.388328][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.388328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.388328][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.388328][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.388328][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.388328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.388328][ T73] [ 3281.390048][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3281.390048][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3281.390048][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3281.390048][ T73] ipv6_find_idev+0x102/0x170 [ 3281.390048][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.390048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.390048][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.390048][ T73] netlink_unicast+0x449/0x710 [ 3281.390048][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.390048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.390048][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.390048][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.390048][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.390048][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.390048][ T73] [ 3281.392020][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3281.392295][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3281.392295][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.392295][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.392295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.392295][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3281.392295][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3281.392295][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3281.392295][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3281.392295][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3281.392295][ T73] addrconf_dad_begin+0x310/0x670 [ 3281.392295][ T73] addrconf_dad_work+0x10b/0xab0 [ 3281.392295][ T73] process_one_work+0x84d/0x18a0 [ 3281.392295][ T73] worker_thread+0x587/0xd30 [ 3281.392295][ T73] kthread+0x28a/0x350 [ 3281.392295][ T73] ret_from_fork+0x31/0x70 [ 3281.392295][ T73] ret_from_fork_asm+0x1a/0x30 [ 3281.392295][ T73] [ 3281.394450][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3281.394450][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.394450][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.394450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.394450][ T73] ip6_route_add+0x1c/0x140 [ 3281.394450][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3281.394450][ T73] inet6_addr_add+0x4f8/0xa40 [ 3281.394450][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.394450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.394450][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.394450][ T73] netlink_unicast+0x449/0x710 [ 3281.394450][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.394450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.394450][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.394450][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.394450][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.394450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.394450][ T73] [ 3281.396663][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3281.396663][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.396663][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.396663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.396663][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3281.396663][ T73] ipv6_add_addr+0x411/0x2000 [ 3281.396663][ T73] inet6_addr_add+0x30e/0xa40 [ 3281.396663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.396663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.396663][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.396663][ T73] netlink_unicast+0x449/0x710 [ 3281.396663][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.396663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.396663][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.396663][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.396663][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.396663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.396663][ T73] [ 3281.398913][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3281.398913][ T73] netdev_get_by_index+0x5e/0x80 [ 3281.398913][ T73] fib6_nh_init+0x3d8/0x1580 [ 3281.398913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3281.398913][ T73] ip6_route_add+0x1c/0x140 [ 3281.398913][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3281.398913][ T73] addrconf_add_dev+0xe2/0x170 [ 3281.398913][ T73] inet6_addr_add+0x12f/0xa40 [ 3281.398913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.398913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.398913][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.398913][ T73] netlink_unicast+0x449/0x710 [ 3281.398913][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.398913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.398913][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.398913][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.398913][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.398913][ T73] [ 3281.401119][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3281.401119][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3281.401119][ T73] ipv6_find_idev+0x102/0x170 [ 3281.401119][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.401119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.401119][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.401119][ T73] netlink_unicast+0x449/0x710 [ 3281.401119][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.401119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.401119][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.401119][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.401119][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.401119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.401119][ T73] [ 3281.402914][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3281.402914][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3281.402914][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3281.402914][ T73] ipv6_find_idev+0x102/0x170 [ 3281.402914][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.402914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.402914][ T73] netlink_rcv_skb+0x130/0x360 [ 3281.402914][ T73] netlink_unicast+0x449/0x710 [ 3281.402914][ T73] netlink_sendmsg+0x723/0xbe0 [ 3281.402914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3281.402914][ T73] ___sys_sendmsg+0xee/0x170 [ 3281.402914][ T73] __sys_sendmsg+0xcd/0x170 [ 3281.402914][ T73] do_syscall_64+0xc6/0x1e0 [ 3281.402914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.402914][ T73] [ 3291.646914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3291.647371][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.647371][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3291.647371][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3291.647371][ T73] fib6_nh_init+0xa22/0x1580 [ 3291.647371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.647371][ T73] ip6_route_add+0x1c/0x140 [ 3291.647371][ T73] inet6_rtm_newroute+0x104/0x110 [ 3291.647371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.647371][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.647371][ T73] netlink_unicast+0x449/0x710 [ 3291.647371][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.647371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.647371][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.647371][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.647371][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.647371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.647371][ T73] [ 3291.649251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.649251][ T73] dst_init+0x84/0x4a0 [ 3291.649251][ T73] dst_alloc+0x97/0x150 [ 3291.649251][ T73] ip6_dst_alloc+0x23/0x90 [ 3291.649251][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3291.649251][ T73] ip6_pol_route+0x56f/0x840 [ 3291.649251][ T73] fib6_rule_lookup+0x456/0x630 [ 3291.649251][ T73] ip6_route_input+0x59c/0xa50 [ 3291.649251][ T73] ipv6_rcv+0x397/0x810 [ 3291.649251][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3291.649251][ T73] process_backlog+0x101/0x620 [ 3291.649251][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3291.649251][ T73] net_rx_action+0x495/0xbe0 [ 3291.649251][ T73] __do_softirq+0x1b5/0x7f6 [ 3291.649251][ T73] [ 3291.650876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.650876][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.650876][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.650876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.650876][ T73] ip6_route_add+0x1c/0x140 [ 3291.650876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3291.650876][ T73] inet6_addr_add+0x4f8/0xa40 [ 3291.650876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.650876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.650876][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.650876][ T73] netlink_unicast+0x449/0x710 [ 3291.650876][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.650876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.650876][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.650876][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.650876][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.650876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.650876][ T73] [ 3291.652859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.652859][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.652859][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.652859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.652859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3291.652859][ T73] ipv6_add_addr+0x411/0x2000 [ 3291.652859][ T73] inet6_addr_add+0x30e/0xa40 [ 3291.652859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.652859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.652859][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.652859][ T73] netlink_unicast+0x449/0x710 [ 3291.652859][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.652859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.652859][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.652859][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.652859][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.652859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.652859][ T73] [ 3291.655309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.655309][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.655309][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.655309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.655309][ T73] ip6_route_add+0x1c/0x140 [ 3291.655309][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3291.655309][ T73] addrconf_add_dev+0xe2/0x170 [ 3291.655309][ T73] inet6_addr_add+0x12f/0xa40 [ 3291.655309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.655309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.655309][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.655309][ T73] netlink_unicast+0x449/0x710 [ 3291.655309][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.655309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.655309][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.655309][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.655309][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.655309][ T73] [ 3291.658224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.658224][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3291.658224][ T73] ipv6_find_idev+0x102/0x170 [ 3291.658224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.658224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.658224][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.658224][ T73] netlink_unicast+0x449/0x710 [ 3291.658224][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.658224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.658224][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.658224][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.658224][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.658224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.658224][ T73] [ 3291.660539][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3291.660539][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3291.660539][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3291.660539][ T73] ipv6_find_idev+0x102/0x170 [ 3291.660539][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.660539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.660539][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.660539][ T73] netlink_unicast+0x449/0x710 [ 3291.660539][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.660539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.660539][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.660539][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.660539][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.660539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.660539][ T73] [ 3291.662997][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3291.663391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.663391][ T73] dst_init+0x84/0x4a0 [ 3291.663391][ T73] dst_alloc+0x97/0x150 [ 3291.663391][ T73] ip6_dst_alloc+0x23/0x90 [ 3291.663391][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3291.663391][ T73] ip6_pol_route+0x56f/0x840 [ 3291.663391][ T73] fib6_rule_lookup+0x456/0x630 [ 3291.663391][ T73] ip6_route_input+0x59c/0xa50 [ 3291.663391][ T73] ipv6_rcv+0x397/0x810 [ 3291.663391][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3291.663391][ T73] process_backlog+0x101/0x620 [ 3291.663391][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3291.663391][ T73] net_rx_action+0x495/0xbe0 [ 3291.663391][ T73] __do_softirq+0x1b5/0x7f6 [ 3291.663391][ T73] [ 3291.665728][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.665728][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.665728][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.665728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.665728][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3291.665728][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3291.665728][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3291.665728][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3291.665728][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3291.665728][ T73] addrconf_dad_begin+0x310/0x670 [ 3291.665728][ T73] addrconf_dad_work+0x10b/0xab0 [ 3291.665728][ T73] process_one_work+0x84d/0x18a0 [ 3291.665728][ T73] worker_thread+0x587/0xd30 [ 3291.665728][ T73] kthread+0x28a/0x350 [ 3291.665728][ T73] ret_from_fork+0x31/0x70 [ 3291.665728][ T73] ret_from_fork_asm+0x1a/0x30 [ 3291.665728][ T73] [ 3291.668505][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.668505][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.668505][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.668505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.668505][ T73] ip6_route_add+0x1c/0x140 [ 3291.668505][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3291.668505][ T73] inet6_addr_add+0x4f8/0xa40 [ 3291.668505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.668505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.668505][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.668505][ T73] netlink_unicast+0x449/0x710 [ 3291.668505][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.668505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.668505][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.668505][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.668505][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.668505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.668505][ T73] [ 3291.671446][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.671446][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.671446][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.671446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.671446][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3291.671446][ T73] ipv6_add_addr+0x411/0x2000 [ 3291.671446][ T73] inet6_addr_add+0x30e/0xa40 [ 3291.671446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.671446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.671446][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.671446][ T73] netlink_unicast+0x449/0x710 [ 3291.671446][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.671446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.671446][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.671446][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.671446][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.671446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.671446][ T73] [ 3291.674645][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.674645][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.674645][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.674645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.674645][ T73] ip6_route_add+0x1c/0x140 [ 3291.674645][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3291.674645][ T73] addrconf_add_dev+0xe2/0x170 [ 3291.674645][ T73] inet6_addr_add+0x12f/0xa40 [ 3291.674645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.674645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.674645][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.674645][ T73] netlink_unicast+0x449/0x710 [ 3291.674645][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.674645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.674645][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.674645][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.674645][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.674645][ T73] [ 3291.677791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.677791][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3291.677791][ T73] ipv6_find_idev+0x102/0x170 [ 3291.677791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.677791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.677791][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.677791][ T73] netlink_unicast+0x449/0x710 [ 3291.677791][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.677791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.677791][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.677791][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.677791][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.677791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.677791][ T73] [ 3291.680272][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3291.680272][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3291.680272][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3291.680272][ T73] ipv6_find_idev+0x102/0x170 [ 3291.680272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.680272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.680272][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.680272][ T73] netlink_unicast+0x449/0x710 [ 3291.680272][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.680272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.680272][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.680272][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.680272][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.680272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.680272][ T73] [ 3291.683185][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3291.683607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.683607][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3291.683607][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3291.683607][ T73] fib6_nh_init+0xa22/0x1580 [ 3291.683607][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.683607][ T73] ip6_route_add+0x1c/0x140 [ 3291.683607][ T73] inet6_rtm_newroute+0x104/0x110 [ 3291.683607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.683607][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.683607][ T73] netlink_unicast+0x449/0x710 [ 3291.683607][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.683607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.683607][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.683607][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.683607][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.683607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.683607][ T73] [ 3291.687143][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.687143][ T73] dst_init+0x84/0x4a0 [ 3291.687143][ T73] dst_alloc+0x97/0x150 [ 3291.687143][ T73] ip6_dst_alloc+0x23/0x90 [ 3291.687143][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3291.687143][ T73] ip6_pol_route+0x56f/0x840 [ 3291.687143][ T73] fib6_rule_lookup+0x456/0x630 [ 3291.687143][ T73] ip6_route_input+0x59c/0xa50 [ 3291.687143][ T73] ipv6_rcv+0x397/0x810 [ 3291.687143][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3291.687143][ T73] process_backlog+0x101/0x620 [ 3291.687143][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3291.687143][ T73] net_rx_action+0x495/0xbe0 [ 3291.687143][ T73] __do_softirq+0x1b5/0x7f6 [ 3291.687143][ T73] [ 3291.689994][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.689994][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.689994][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.689994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.689994][ T73] ip6_route_add+0x1c/0x140 [ 3291.689994][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3291.689994][ T73] inet6_addr_add+0x4f8/0xa40 [ 3291.689994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.689994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.689994][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.689994][ T73] netlink_unicast+0x449/0x710 [ 3291.689994][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.689994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.689994][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.689994][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.689994][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.689994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.689994][ T73] [ 3291.693493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.693493][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.693493][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.693493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.693493][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3291.693493][ T73] ipv6_add_addr+0x411/0x2000 [ 3291.693493][ T73] inet6_addr_add+0x30e/0xa40 [ 3291.693493][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.693493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.693493][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.693493][ T73] netlink_unicast+0x449/0x710 [ 3291.693493][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.693493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.693493][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.693493][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.693493][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.693493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.693493][ T73] [ 3291.697045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.697045][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.697045][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.697045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.697045][ T73] ip6_route_add+0x1c/0x140 [ 3291.697045][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3291.697045][ T73] addrconf_add_dev+0xe2/0x170 [ 3291.697045][ T73] inet6_addr_add+0x12f/0xa40 [ 3291.697045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.697045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.697045][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.697045][ T73] netlink_unicast+0x449/0x710 [ 3291.697045][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.697045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.697045][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.697045][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.697045][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.697045][ T73] [ 3291.700647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.700647][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3291.700647][ T73] ipv6_find_idev+0x102/0x170 [ 3291.700647][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.700647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.700647][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.700647][ T73] netlink_unicast+0x449/0x710 [ 3291.700647][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.700647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.700647][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.700647][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.700647][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.700647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.700647][ T73] [ 3291.703436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3291.703436][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3291.703436][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3291.703436][ T73] ipv6_find_idev+0x102/0x170 [ 3291.703436][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.703436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.703436][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.703436][ T73] netlink_unicast+0x449/0x710 [ 3291.703436][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.703436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.703436][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.703436][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.703436][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.703436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.703436][ T73] [ 3291.706475][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3291.706922][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3291.706922][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.706922][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.706922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.706922][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3291.706922][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3291.706922][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3291.706922][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3291.706922][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3291.706922][ T73] addrconf_dad_begin+0x310/0x670 [ 3291.706922][ T73] addrconf_dad_work+0x10b/0xab0 [ 3291.706922][ T73] process_one_work+0x84d/0x18a0 [ 3291.706922][ T73] worker_thread+0x587/0xd30 [ 3291.706922][ T73] kthread+0x28a/0x350 [ 3291.706922][ T73] ret_from_fork+0x31/0x70 [ 3291.706922][ T73] ret_from_fork_asm+0x1a/0x30 [ 3291.706922][ T73] [ 3291.710407][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3291.710407][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.710407][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.710407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.710407][ T73] ip6_route_add+0x1c/0x140 [ 3291.710407][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3291.710407][ T73] inet6_addr_add+0x4f8/0xa40 [ 3291.710407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.710407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.710407][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.710407][ T73] netlink_unicast+0x449/0x710 [ 3291.710407][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.710407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.710407][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.710407][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.710407][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.710407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.710407][ T73] [ 3291.714079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3291.714079][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.714079][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.714079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.714079][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3291.714079][ T73] ipv6_add_addr+0x411/0x2000 [ 3291.714079][ T73] inet6_addr_add+0x30e/0xa40 [ 3291.714079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.714079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.714079][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.714079][ T73] netlink_unicast+0x449/0x710 [ 3291.714079][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.714079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.714079][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.714079][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.714079][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.714079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.714079][ T73] [ 3291.717717][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3291.717717][ T73] netdev_get_by_index+0x5e/0x80 [ 3291.717717][ T73] fib6_nh_init+0x3d8/0x1580 [ 3291.717717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3291.717717][ T73] ip6_route_add+0x1c/0x140 [ 3291.717717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3291.717717][ T73] addrconf_add_dev+0xe2/0x170 [ 3291.717717][ T73] inet6_addr_add+0x12f/0xa40 [ 3291.717717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.717717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.717717][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.717717][ T73] netlink_unicast+0x449/0x710 [ 3291.717717][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.717717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.717717][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.717717][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.717717][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.717717][ T73] [ 3291.721058][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3291.721058][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3291.721058][ T73] ipv6_find_idev+0x102/0x170 [ 3291.721058][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.721058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.721058][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.721058][ T73] netlink_unicast+0x449/0x710 [ 3291.721058][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.721058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.721058][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.721058][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.721058][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.721058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.721058][ T73] [ 3291.723817][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3291.723817][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3291.723817][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3291.723817][ T73] ipv6_find_idev+0x102/0x170 [ 3291.723817][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.723817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.723817][ T73] netlink_rcv_skb+0x130/0x360 [ 3291.723817][ T73] netlink_unicast+0x449/0x710 [ 3291.723817][ T73] netlink_sendmsg+0x723/0xbe0 [ 3291.723817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3291.723817][ T73] ___sys_sendmsg+0xee/0x170 [ 3291.723817][ T73] __sys_sendmsg+0xcd/0x170 [ 3291.723817][ T73] do_syscall_64+0xc6/0x1e0 [ 3291.723817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.723817][ T73] [ 3301.966912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3301.967379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.967379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3301.967379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3301.967379][ T73] fib6_nh_init+0xa22/0x1580 [ 3301.967379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.967379][ T73] ip6_route_add+0x1c/0x140 [ 3301.967379][ T73] inet6_rtm_newroute+0x104/0x110 [ 3301.967379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.967379][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.967379][ T73] netlink_unicast+0x449/0x710 [ 3301.967379][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.967379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.967379][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.967379][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.967379][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.967379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.967379][ T73] [ 3301.969357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.969357][ T73] dst_init+0x84/0x4a0 [ 3301.969357][ T73] dst_alloc+0x97/0x150 [ 3301.969357][ T73] ip6_dst_alloc+0x23/0x90 [ 3301.969357][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3301.969357][ T73] ip6_pol_route+0x56f/0x840 [ 3301.969357][ T73] fib6_rule_lookup+0x456/0x630 [ 3301.969357][ T73] ip6_route_input+0x59c/0xa50 [ 3301.969357][ T73] ipv6_rcv+0x397/0x810 [ 3301.969357][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3301.969357][ T73] process_backlog+0x101/0x620 [ 3301.969357][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3301.969357][ T73] net_rx_action+0x495/0xbe0 [ 3301.969357][ T73] __do_softirq+0x1b5/0x7f6 [ 3301.969357][ T73] [ 3301.971066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.971066][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.971066][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.971066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.971066][ T73] ip6_route_add+0x1c/0x140 [ 3301.971066][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3301.971066][ T73] inet6_addr_add+0x4f8/0xa40 [ 3301.971066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.971066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.971066][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.971066][ T73] netlink_unicast+0x449/0x710 [ 3301.971066][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.971066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.971066][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.971066][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.971066][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.971066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.971066][ T73] [ 3301.973148][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.973148][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.973148][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.973148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.973148][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3301.973148][ T73] ipv6_add_addr+0x411/0x2000 [ 3301.973148][ T73] inet6_addr_add+0x30e/0xa40 [ 3301.973148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.973148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.973148][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.973148][ T73] netlink_unicast+0x449/0x710 [ 3301.973148][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.973148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.973148][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.973148][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.973148][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.973148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.973148][ T73] [ 3301.975239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.975239][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.975239][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.975239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.975239][ T73] ip6_route_add+0x1c/0x140 [ 3301.975239][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3301.975239][ T73] addrconf_add_dev+0xe2/0x170 [ 3301.975239][ T73] inet6_addr_add+0x12f/0xa40 [ 3301.975239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.975239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.975239][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.975239][ T73] netlink_unicast+0x449/0x710 [ 3301.975239][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.975239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.975239][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.975239][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.975239][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.975239][ T73] [ 3301.977283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.977283][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3301.977283][ T73] ipv6_find_idev+0x102/0x170 [ 3301.977283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.977283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.977283][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.977283][ T73] netlink_unicast+0x449/0x710 [ 3301.977283][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.977283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.977283][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.977283][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.977283][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.977283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.977283][ T73] [ 3301.978881][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3301.978881][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3301.978881][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3301.978881][ T73] ipv6_find_idev+0x102/0x170 [ 3301.978881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.978881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.978881][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.978881][ T73] netlink_unicast+0x449/0x710 [ 3301.978881][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.978881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.978881][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.978881][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.978881][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.978881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.978881][ T73] [ 3301.980627][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3301.980918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.980918][ T73] dst_init+0x84/0x4a0 [ 3301.980918][ T73] dst_alloc+0x97/0x150 [ 3301.980918][ T73] ip6_dst_alloc+0x23/0x90 [ 3301.980918][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3301.980918][ T73] ip6_pol_route+0x56f/0x840 [ 3301.980918][ T73] fib6_rule_lookup+0x456/0x630 [ 3301.980918][ T73] ip6_route_input+0x59c/0xa50 [ 3301.980918][ T73] ipv6_rcv+0x397/0x810 [ 3301.980918][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3301.980918][ T73] process_backlog+0x101/0x620 [ 3301.980918][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3301.980918][ T73] net_rx_action+0x495/0xbe0 [ 3301.980918][ T73] __do_softirq+0x1b5/0x7f6 [ 3301.980918][ T73] [ 3301.982625][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.982625][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.982625][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.982625][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.982625][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3301.982625][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3301.982625][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3301.982625][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3301.982625][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3301.982625][ T73] addrconf_dad_begin+0x310/0x670 [ 3301.982625][ T73] addrconf_dad_work+0x10b/0xab0 [ 3301.982625][ T73] process_one_work+0x84d/0x18a0 [ 3301.982625][ T73] worker_thread+0x587/0xd30 [ 3301.982625][ T73] kthread+0x28a/0x350 [ 3301.982625][ T73] ret_from_fork+0x31/0x70 [ 3301.982625][ T73] ret_from_fork_asm+0x1a/0x30 [ 3301.982625][ T73] [ 3301.984618][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.984618][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.984618][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.984618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.984618][ T73] ip6_route_add+0x1c/0x140 [ 3301.984618][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3301.984618][ T73] inet6_addr_add+0x4f8/0xa40 [ 3301.984618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.984618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.984618][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.984618][ T73] netlink_unicast+0x449/0x710 [ 3301.984618][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.984618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.984618][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.984618][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.984618][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.984618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.984618][ T73] [ 3301.986721][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.986721][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.986721][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.986721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.986721][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3301.986721][ T73] ipv6_add_addr+0x411/0x2000 [ 3301.986721][ T73] inet6_addr_add+0x30e/0xa40 [ 3301.986721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.986721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.986721][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.986721][ T73] netlink_unicast+0x449/0x710 [ 3301.986721][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.986721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.986721][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.986721][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.986721][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.986721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.986721][ T73] [ 3301.989314][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.989314][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.989314][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.989314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.989314][ T73] ip6_route_add+0x1c/0x140 [ 3301.989314][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3301.989314][ T73] addrconf_add_dev+0xe2/0x170 [ 3301.989314][ T73] inet6_addr_add+0x12f/0xa40 [ 3301.989314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.989314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.989314][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.989314][ T73] netlink_unicast+0x449/0x710 [ 3301.989314][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.989314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.989314][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.989314][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.989314][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.989314][ T73] [ 3301.991350][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.991350][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3301.991350][ T73] ipv6_find_idev+0x102/0x170 [ 3301.991350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.991350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.991350][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.991350][ T73] netlink_unicast+0x449/0x710 [ 3301.991350][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.991350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.991350][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.991350][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.991350][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.991350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.991350][ T73] [ 3301.992948][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3301.992948][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3301.992948][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3301.992948][ T73] ipv6_find_idev+0x102/0x170 [ 3301.992948][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.992948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.992948][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.992948][ T73] netlink_unicast+0x449/0x710 [ 3301.992948][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.992948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.992948][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.992948][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.992948][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.992948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.992948][ T73] [ 3301.994822][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3301.995102][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3301.995102][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3301.995102][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3301.995102][ T73] fib6_nh_init+0xa22/0x1580 [ 3301.995102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.995102][ T73] ip6_route_add+0x1c/0x140 [ 3301.995102][ T73] inet6_rtm_newroute+0x104/0x110 [ 3301.995102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.995102][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.995102][ T73] netlink_unicast+0x449/0x710 [ 3301.995102][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.995102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.995102][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.995102][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.995102][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.995102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.995102][ T73] [ 3301.997287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3301.997287][ T73] dst_init+0x84/0x4a0 [ 3301.997287][ T73] dst_alloc+0x97/0x150 [ 3301.997287][ T73] ip6_dst_alloc+0x23/0x90 [ 3301.997287][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3301.997287][ T73] ip6_pol_route+0x56f/0x840 [ 3301.997287][ T73] fib6_rule_lookup+0x456/0x630 [ 3301.997287][ T73] ip6_route_input+0x59c/0xa50 [ 3301.997287][ T73] ipv6_rcv+0x397/0x810 [ 3301.997287][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3301.997287][ T73] process_backlog+0x101/0x620 [ 3301.997287][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3301.997287][ T73] net_rx_action+0x495/0xbe0 [ 3301.997287][ T73] __do_softirq+0x1b5/0x7f6 [ 3301.997287][ T73] [ 3301.999178][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3301.999178][ T73] netdev_get_by_index+0x5e/0x80 [ 3301.999178][ T73] fib6_nh_init+0x3d8/0x1580 [ 3301.999178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3301.999178][ T73] ip6_route_add+0x1c/0x140 [ 3301.999178][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3301.999178][ T73] inet6_addr_add+0x4f8/0xa40 [ 3301.999178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.999178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.999178][ T73] netlink_rcv_skb+0x130/0x360 [ 3301.999178][ T73] netlink_unicast+0x449/0x710 [ 3301.999178][ T73] netlink_sendmsg+0x723/0xbe0 [ 3301.999178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3301.999178][ T73] ___sys_sendmsg+0xee/0x170 [ 3301.999178][ T73] __sys_sendmsg+0xcd/0x170 [ 3301.999178][ T73] do_syscall_64+0xc6/0x1e0 [ 3301.999178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.999178][ T73] [ 3302.001554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3302.001554][ T73] netdev_get_by_index+0x5e/0x80 [ 3302.001554][ T73] fib6_nh_init+0x3d8/0x1580 [ 3302.001554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3302.001554][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3302.001554][ T73] ipv6_add_addr+0x411/0x2000 [ 3302.001554][ T73] inet6_addr_add+0x30e/0xa40 [ 3302.001554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3302.001554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.001554][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.001554][ T73] netlink_unicast+0x449/0x710 [ 3302.001554][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.001554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.001554][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.001554][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.001554][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.001554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.001554][ T73] [ 3302.003870][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3302.003870][ T73] netdev_get_by_index+0x5e/0x80 [ 3302.003870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3302.003870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3302.003870][ T73] ip6_route_add+0x1c/0x140 [ 3302.003870][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3302.003870][ T73] addrconf_add_dev+0xe2/0x170 [ 3302.003870][ T73] inet6_addr_add+0x12f/0xa40 [ 3302.003870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3302.003870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.003870][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.003870][ T73] netlink_unicast+0x449/0x710 [ 3302.003870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.003870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.003870][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.003870][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.003870][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.003870][ T73] [ 3302.006158][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3302.006158][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3302.006158][ T73] ipv6_find_idev+0x102/0x170 [ 3302.006158][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3302.006158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.006158][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.006158][ T73] netlink_unicast+0x449/0x710 [ 3302.006158][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.006158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.006158][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.006158][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.006158][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.006158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.006158][ T73] [ 3302.007887][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3302.007887][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3302.007887][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3302.007887][ T73] ipv6_find_idev+0x102/0x170 [ 3302.007887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3302.007887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.007887][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.007887][ T73] netlink_unicast+0x449/0x710 [ 3302.007887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.007887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.007887][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.007887][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.007887][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.007887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.007887][ T73] [ 3302.009829][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3302.010100][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3302.010100][ T73] netdev_get_by_index+0x5e/0x80 [ 3302.010100][ T73] fib6_nh_init+0x3d8/0x1580 [ 3302.010100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3302.010100][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3302.010100][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3302.010100][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3302.010100][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3302.010100][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3302.010100][ T73] addrconf_dad_begin+0x310/0x670 [ 3302.010100][ T73] addrconf_dad_work+0x10b/0xab0 [ 3302.010100][ T73] process_one_work+0x84d/0x18a0 [ 3302.010100][ T73] worker_thread+0x587/0xd30 [ 3302.010100][ T73] kthread+0x28a/0x350 [ 3302.010100][ T73] ret_from_fork+0x31/0x70 [ 3302.010100][ T73] ret_from_fork_asm+0x1a/0x30 [ 3302.010100][ T73] [ 3302.012621][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3302.012621][ T73] netdev_get_by_index+0x5e/0x80 [ 3302.012621][ T73] fib6_nh_init+0x3d8/0x1580 [ 3302.012621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3302.012621][ T73] ip6_route_add+0x1c/0x140 [ 3302.012621][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3302.012621][ T73] inet6_addr_add+0x4f8/0xa40 [ 3302.012621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3302.012621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.012621][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.012621][ T73] netlink_unicast+0x449/0x710 [ 3302.012621][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.012621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.012621][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.012621][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.012621][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.012621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.012621][ T73] [ 3302.014826][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3302.014826][ T73] netdev_get_by_index+0x5e/0x80 [ 3302.014826][ T73] fib6_nh_init+0x3d8/0x1580 [ 3302.014826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3302.014826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3302.014826][ T73] ipv6_add_addr+0x411/0x2000 [ 3302.014826][ T73] inet6_addr_add+0x30e/0xa40 [ 3302.014826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3302.014826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.014826][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.014826][ T73] netlink_unicast+0x449/0x710 [ 3302.014826][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.014826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.014826][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.014826][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.014826][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.014826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.014826][ T73] [ 3302.017043][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3302.017043][ T73] netdev_get_by_index+0x5e/0x80 [ 3302.017043][ T73] fib6_nh_init+0x3d8/0x1580 [ 3302.017043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3302.017043][ T73] ip6_route_add+0x1c/0x140 [ 3302.017043][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3302.017043][ T73] addrconf_add_dev+0xe2/0x170 [ 3302.017043][ T73] inet6_addr_add+0x12f/0xa40 [ 3302.017043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3302.017043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.017043][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.017043][ T73] netlink_unicast+0x449/0x710 [ 3302.017043][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.017043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.017043][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.017043][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.017043][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.017043][ T73] [ 3302.019150][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3302.019150][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3302.019150][ T73] ipv6_find_idev+0x102/0x170 [ 3302.019150][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3302.019150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.019150][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.019150][ T73] netlink_unicast+0x449/0x710 [ 3302.019150][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.019150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.019150][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.019150][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.019150][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.019150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.019150][ T73] [ 3302.020946][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3302.020946][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3302.020946][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3302.020946][ T73] ipv6_find_idev+0x102/0x170 [ 3302.020946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3302.020946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3302.020946][ T73] netlink_rcv_skb+0x130/0x360 [ 3302.020946][ T73] netlink_unicast+0x449/0x710 [ 3302.020946][ T73] netlink_sendmsg+0x723/0xbe0 [ 3302.020946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3302.020946][ T73] ___sys_sendmsg+0xee/0x170 [ 3302.020946][ T73] __sys_sendmsg+0xcd/0x170 [ 3302.020946][ T73] do_syscall_64+0xc6/0x1e0 [ 3302.020946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3302.020946][ T73] [ 3312.214848][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3312.215329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.215329][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3312.215329][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3312.215329][ T73] fib6_nh_init+0xa22/0x1580 [ 3312.215329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.215329][ T73] ip6_route_add+0x1c/0x140 [ 3312.215329][ T73] inet6_rtm_newroute+0x104/0x110 [ 3312.215329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.215329][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.215329][ T73] netlink_unicast+0x449/0x710 [ 3312.215329][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.215329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.215329][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.215329][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.215329][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.215329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.215329][ T73] [ 3312.217335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.217335][ T73] dst_init+0x84/0x4a0 [ 3312.217335][ T73] dst_alloc+0x97/0x150 [ 3312.217335][ T73] ip6_dst_alloc+0x23/0x90 [ 3312.217335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3312.217335][ T73] ip6_pol_route+0x56f/0x840 [ 3312.217335][ T73] fib6_rule_lookup+0x456/0x630 [ 3312.217335][ T73] ip6_route_input+0x59c/0xa50 [ 3312.217335][ T73] ipv6_rcv+0x397/0x810 [ 3312.217335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3312.217335][ T73] process_backlog+0x101/0x620 [ 3312.217335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3312.217335][ T73] net_rx_action+0x495/0xbe0 [ 3312.217335][ T73] __do_softirq+0x1b5/0x7f6 [ 3312.217335][ T73] [ 3312.219074][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.219074][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.219074][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.219074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.219074][ T73] ip6_route_add+0x1c/0x140 [ 3312.219074][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3312.219074][ T73] inet6_addr_add+0x4f8/0xa40 [ 3312.219074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.219074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.219074][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.219074][ T73] netlink_unicast+0x449/0x710 [ 3312.219074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.219074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.219074][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.219074][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.219074][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.219074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.219074][ T73] [ 3312.221155][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.221155][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.221155][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.221155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.221155][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3312.221155][ T73] ipv6_add_addr+0x411/0x2000 [ 3312.221155][ T73] inet6_addr_add+0x30e/0xa40 [ 3312.221155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.221155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.221155][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.221155][ T73] netlink_unicast+0x449/0x710 [ 3312.221155][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.221155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.221155][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.221155][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.221155][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.221155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.221155][ T73] [ 3312.223235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.223235][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.223235][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.223235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.223235][ T73] ip6_route_add+0x1c/0x140 [ 3312.223235][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3312.223235][ T73] addrconf_add_dev+0xe2/0x170 [ 3312.223235][ T73] inet6_addr_add+0x12f/0xa40 [ 3312.223235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.223235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.223235][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.223235][ T73] netlink_unicast+0x449/0x710 [ 3312.223235][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.223235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.223235][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.223235][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.223235][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.223235][ T73] [ 3312.225313][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.225313][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3312.225313][ T73] ipv6_find_idev+0x102/0x170 [ 3312.225313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.225313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.225313][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.225313][ T73] netlink_unicast+0x449/0x710 [ 3312.225313][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.225313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.225313][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.225313][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.225313][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.225313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.225313][ T73] [ 3312.226920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3312.226920][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3312.226920][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3312.226920][ T73] ipv6_find_idev+0x102/0x170 [ 3312.226920][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.226920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.226920][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.226920][ T73] netlink_unicast+0x449/0x710 [ 3312.226920][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.226920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.226920][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.226920][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.226920][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.226920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.226920][ T73] [ 3312.228678][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3312.228972][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.228972][ T73] dst_init+0x84/0x4a0 [ 3312.228972][ T73] dst_alloc+0x97/0x150 [ 3312.228972][ T73] ip6_dst_alloc+0x23/0x90 [ 3312.228972][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3312.228972][ T73] ip6_pol_route+0x56f/0x840 [ 3312.228972][ T73] fib6_rule_lookup+0x456/0x630 [ 3312.228972][ T73] ip6_route_input+0x59c/0xa50 [ 3312.228972][ T73] ipv6_rcv+0x397/0x810 [ 3312.228972][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3312.228972][ T73] process_backlog+0x101/0x620 [ 3312.228972][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3312.228972][ T73] net_rx_action+0x495/0xbe0 [ 3312.228972][ T73] __do_softirq+0x1b5/0x7f6 [ 3312.228972][ T73] [ 3312.231057][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.231057][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.231057][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.231057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.231057][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3312.231057][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3312.231057][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3312.231057][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3312.231057][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3312.231057][ T73] addrconf_dad_begin+0x310/0x670 [ 3312.231057][ T73] addrconf_dad_work+0x10b/0xab0 [ 3312.231057][ T73] process_one_work+0x84d/0x18a0 [ 3312.231057][ T73] worker_thread+0x587/0xd30 [ 3312.231057][ T73] kthread+0x28a/0x350 [ 3312.231057][ T73] ret_from_fork+0x31/0x70 [ 3312.231057][ T73] ret_from_fork_asm+0x1a/0x30 [ 3312.231057][ T73] [ 3312.233040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.233040][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.233040][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.233040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.233040][ T73] ip6_route_add+0x1c/0x140 [ 3312.233040][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3312.233040][ T73] inet6_addr_add+0x4f8/0xa40 [ 3312.233040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.233040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.233040][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.233040][ T73] netlink_unicast+0x449/0x710 [ 3312.233040][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.233040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.233040][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.233040][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.233040][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.233040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.233040][ T73] [ 3312.235124][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.235124][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.235124][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.235124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.235124][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3312.235124][ T73] ipv6_add_addr+0x411/0x2000 [ 3312.235124][ T73] inet6_addr_add+0x30e/0xa40 [ 3312.235124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.235124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.235124][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.235124][ T73] netlink_unicast+0x449/0x710 [ 3312.235124][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.235124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.235124][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.235124][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.235124][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.235124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.235124][ T73] [ 3312.237200][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.237200][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.237200][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.237200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.237200][ T73] ip6_route_add+0x1c/0x140 [ 3312.237200][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3312.237200][ T73] addrconf_add_dev+0xe2/0x170 [ 3312.237200][ T73] inet6_addr_add+0x12f/0xa40 [ 3312.237200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.237200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.237200][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.237200][ T73] netlink_unicast+0x449/0x710 [ 3312.237200][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.237200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.237200][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.237200][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.237200][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.237200][ T73] [ 3312.239243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.239243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3312.239243][ T73] ipv6_find_idev+0x102/0x170 [ 3312.239243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.239243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.239243][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.239243][ T73] netlink_unicast+0x449/0x710 [ 3312.239243][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.239243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.239243][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.239243][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.239243][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.239243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.239243][ T73] [ 3312.240844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3312.240844][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3312.240844][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3312.240844][ T73] ipv6_find_idev+0x102/0x170 [ 3312.240844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.240844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.240844][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.240844][ T73] netlink_unicast+0x449/0x710 [ 3312.240844][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.240844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.240844][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.240844][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.240844][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.240844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.240844][ T73] [ 3312.242722][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3312.243080][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.243080][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3312.243080][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3312.243080][ T73] fib6_nh_init+0xa22/0x1580 [ 3312.243080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.243080][ T73] ip6_route_add+0x1c/0x140 [ 3312.243080][ T73] inet6_rtm_newroute+0x104/0x110 [ 3312.243080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.243080][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.243080][ T73] netlink_unicast+0x449/0x710 [ 3312.243080][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.243080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.243080][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.243080][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.243080][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.243080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.243080][ T73] [ 3312.245283][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.245283][ T73] dst_init+0x84/0x4a0 [ 3312.245283][ T73] dst_alloc+0x97/0x150 [ 3312.245283][ T73] ip6_dst_alloc+0x23/0x90 [ 3312.245283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3312.245283][ T73] ip6_pol_route+0x56f/0x840 [ 3312.245283][ T73] fib6_rule_lookup+0x456/0x630 [ 3312.245283][ T73] ip6_route_input+0x59c/0xa50 [ 3312.245283][ T73] ipv6_rcv+0x397/0x810 [ 3312.245283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3312.245283][ T73] process_backlog+0x101/0x620 [ 3312.245283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3312.245283][ T73] net_rx_action+0x495/0xbe0 [ 3312.245283][ T73] __do_softirq+0x1b5/0x7f6 [ 3312.245283][ T73] [ 3312.247165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.247165][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.247165][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.247165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.247165][ T73] ip6_route_add+0x1c/0x140 [ 3312.247165][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3312.247165][ T73] inet6_addr_add+0x4f8/0xa40 [ 3312.247165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.247165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.247165][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.247165][ T73] netlink_unicast+0x449/0x710 [ 3312.247165][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.247165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.247165][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.247165][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.247165][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.247165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.247165][ T73] [ 3312.249479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.249479][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.249479][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.249479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.249479][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3312.249479][ T73] ipv6_add_addr+0x411/0x2000 [ 3312.249479][ T73] inet6_addr_add+0x30e/0xa40 [ 3312.249479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.249479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.249479][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.249479][ T73] netlink_unicast+0x449/0x710 [ 3312.249479][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.249479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.249479][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.249479][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.249479][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.249479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.249479][ T73] [ 3312.251972][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.251972][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.251972][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.251972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.251972][ T73] ip6_route_add+0x1c/0x140 [ 3312.251972][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3312.251972][ T73] addrconf_add_dev+0xe2/0x170 [ 3312.251972][ T73] inet6_addr_add+0x12f/0xa40 [ 3312.251972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.251972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.251972][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.251972][ T73] netlink_unicast+0x449/0x710 [ 3312.251972][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.251972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.251972][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.251972][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.251972][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.251972][ T73] [ 3312.255579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.255579][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3312.255579][ T73] ipv6_find_idev+0x102/0x170 [ 3312.255579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.255579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.255579][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.255579][ T73] netlink_unicast+0x449/0x710 [ 3312.255579][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.255579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.255579][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.255579][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.255579][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.255579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.255579][ T73] [ 3312.258221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3312.258221][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3312.258221][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3312.258221][ T73] ipv6_find_idev+0x102/0x170 [ 3312.258221][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.258221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.258221][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.258221][ T73] netlink_unicast+0x449/0x710 [ 3312.258221][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.258221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.258221][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.258221][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.258221][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.258221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.258221][ T73] [ 3312.261094][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3312.261517][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3312.261517][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.261517][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.261517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.261517][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3312.261517][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3312.261517][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3312.261517][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3312.261517][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3312.261517][ T73] addrconf_dad_begin+0x310/0x670 [ 3312.261517][ T73] addrconf_dad_work+0x10b/0xab0 [ 3312.261517][ T73] process_one_work+0x84d/0x18a0 [ 3312.261517][ T73] worker_thread+0x587/0xd30 [ 3312.261517][ T73] kthread+0x28a/0x350 [ 3312.261517][ T73] ret_from_fork+0x31/0x70 [ 3312.261517][ T73] ret_from_fork_asm+0x1a/0x30 [ 3312.261517][ T73] [ 3312.264984][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3312.264984][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.264984][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.264984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.264984][ T73] ip6_route_add+0x1c/0x140 [ 3312.264984][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3312.264984][ T73] inet6_addr_add+0x4f8/0xa40 [ 3312.264984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.264984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.264984][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.264984][ T73] netlink_unicast+0x449/0x710 [ 3312.264984][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.264984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.264984][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.264984][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.264984][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.264984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.264984][ T73] [ 3312.268635][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3312.268635][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.268635][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.268635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.268635][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3312.268635][ T73] ipv6_add_addr+0x411/0x2000 [ 3312.268635][ T73] inet6_addr_add+0x30e/0xa40 [ 3312.268635][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.268635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.268635][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.268635][ T73] netlink_unicast+0x449/0x710 [ 3312.268635][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.268635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.268635][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.268635][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.268635][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.268635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.268635][ T73] [ 3312.272393][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3312.272393][ T73] netdev_get_by_index+0x5e/0x80 [ 3312.272393][ T73] fib6_nh_init+0x3d8/0x1580 [ 3312.272393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3312.272393][ T73] ip6_route_add+0x1c/0x140 [ 3312.272393][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3312.272393][ T73] addrconf_add_dev+0xe2/0x170 [ 3312.272393][ T73] inet6_addr_add+0x12f/0xa40 [ 3312.272393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.272393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.272393][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.272393][ T73] netlink_unicast+0x449/0x710 [ 3312.272393][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.272393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.272393][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.272393][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.272393][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.272393][ T73] [ 3312.275879][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3312.275879][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3312.275879][ T73] ipv6_find_idev+0x102/0x170 [ 3312.275879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.275879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.275879][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.275879][ T73] netlink_unicast+0x449/0x710 [ 3312.275879][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.275879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.275879][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.275879][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.275879][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.275879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.275879][ T73] [ 3312.278680][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3312.278680][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3312.278680][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3312.278680][ T73] ipv6_find_idev+0x102/0x170 [ 3312.278680][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.278680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.278680][ T73] netlink_rcv_skb+0x130/0x360 [ 3312.278680][ T73] netlink_unicast+0x449/0x710 [ 3312.278680][ T73] netlink_sendmsg+0x723/0xbe0 [ 3312.278680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3312.278680][ T73] ___sys_sendmsg+0xee/0x170 [ 3312.278680][ T73] __sys_sendmsg+0xcd/0x170 [ 3312.278680][ T73] do_syscall_64+0xc6/0x1e0 [ 3312.278680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.278680][ T73] [ 3322.518838][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3322.519298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.519298][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3322.519298][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3322.519298][ T73] fib6_nh_init+0xa22/0x1580 [ 3322.519298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.519298][ T73] ip6_route_add+0x1c/0x140 [ 3322.519298][ T73] inet6_rtm_newroute+0x104/0x110 [ 3322.519298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.519298][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.519298][ T73] netlink_unicast+0x449/0x710 [ 3322.519298][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.519298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.519298][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.519298][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.519298][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.519298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.519298][ T73] [ 3322.521183][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.521183][ T73] dst_init+0x84/0x4a0 [ 3322.521183][ T73] dst_alloc+0x97/0x150 [ 3322.521183][ T73] ip6_dst_alloc+0x23/0x90 [ 3322.521183][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3322.521183][ T73] ip6_pol_route+0x56f/0x840 [ 3322.521183][ T73] fib6_rule_lookup+0x456/0x630 [ 3322.521183][ T73] ip6_route_input+0x59c/0xa50 [ 3322.521183][ T73] ipv6_rcv+0x397/0x810 [ 3322.521183][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3322.521183][ T73] process_backlog+0x101/0x620 [ 3322.521183][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3322.521183][ T73] net_rx_action+0x495/0xbe0 [ 3322.521183][ T73] __do_softirq+0x1b5/0x7f6 [ 3322.521183][ T73] [ 3322.522872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.522872][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.522872][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.522872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.522872][ T73] ip6_route_add+0x1c/0x140 [ 3322.522872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3322.522872][ T73] inet6_addr_add+0x4f8/0xa40 [ 3322.522872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.522872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.522872][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.522872][ T73] netlink_unicast+0x449/0x710 [ 3322.522872][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.522872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.522872][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.522872][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.522872][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.522872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.522872][ T73] [ 3322.524869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.524869][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.524869][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.524869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.524869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3322.524869][ T73] ipv6_add_addr+0x411/0x2000 [ 3322.524869][ T73] inet6_addr_add+0x30e/0xa40 [ 3322.524869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.524869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.524869][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.524869][ T73] netlink_unicast+0x449/0x710 [ 3322.524869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.524869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.524869][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.524869][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.524869][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.524869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.524869][ T73] [ 3322.526890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.526890][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.526890][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.526890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.526890][ T73] ip6_route_add+0x1c/0x140 [ 3322.526890][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3322.526890][ T73] addrconf_add_dev+0xe2/0x170 [ 3322.526890][ T73] inet6_addr_add+0x12f/0xa40 [ 3322.526890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.526890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.526890][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.526890][ T73] netlink_unicast+0x449/0x710 [ 3322.526890][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.526890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.526890][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.526890][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.526890][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.526890][ T73] [ 3322.528850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.528850][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3322.528850][ T73] ipv6_find_idev+0x102/0x170 [ 3322.528850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.528850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.528850][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.528850][ T73] netlink_unicast+0x449/0x710 [ 3322.528850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.528850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.528850][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.528850][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.528850][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.528850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.528850][ T73] [ 3322.530388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3322.530388][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3322.530388][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3322.530388][ T73] ipv6_find_idev+0x102/0x170 [ 3322.530388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.530388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.530388][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.530388][ T73] netlink_unicast+0x449/0x710 [ 3322.530388][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.530388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.530388][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.530388][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.530388][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.530388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.530388][ T73] [ 3322.532084][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3322.532353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.532353][ T73] dst_init+0x84/0x4a0 [ 3322.532353][ T73] dst_alloc+0x97/0x150 [ 3322.532353][ T73] ip6_dst_alloc+0x23/0x90 [ 3322.532353][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3322.532353][ T73] ip6_pol_route+0x56f/0x840 [ 3322.532353][ T73] fib6_rule_lookup+0x456/0x630 [ 3322.532353][ T73] ip6_route_input+0x59c/0xa50 [ 3322.532353][ T73] ipv6_rcv+0x397/0x810 [ 3322.532353][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3322.532353][ T73] process_backlog+0x101/0x620 [ 3322.532353][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3322.532353][ T73] net_rx_action+0x495/0xbe0 [ 3322.532353][ T73] __do_softirq+0x1b5/0x7f6 [ 3322.532353][ T73] [ 3322.533992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.533992][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.533992][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.533992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.533992][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3322.533992][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3322.533992][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3322.533992][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3322.533992][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3322.533992][ T73] addrconf_dad_begin+0x310/0x670 [ 3322.533992][ T73] addrconf_dad_work+0x10b/0xab0 [ 3322.533992][ T73] process_one_work+0x84d/0x18a0 [ 3322.533992][ T73] worker_thread+0x587/0xd30 [ 3322.533992][ T73] kthread+0x28a/0x350 [ 3322.533992][ T73] ret_from_fork+0x31/0x70 [ 3322.533992][ T73] ret_from_fork_asm+0x1a/0x30 [ 3322.533992][ T73] [ 3322.535937][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.535937][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.535937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.535937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.535937][ T73] ip6_route_add+0x1c/0x140 [ 3322.535937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3322.535937][ T73] inet6_addr_add+0x4f8/0xa40 [ 3322.535937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.535937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.535937][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.535937][ T73] netlink_unicast+0x449/0x710 [ 3322.535937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.535937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.535937][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.535937][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.535937][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.535937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.535937][ T73] [ 3322.537926][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.537926][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.537926][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.537926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.537926][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3322.537926][ T73] ipv6_add_addr+0x411/0x2000 [ 3322.537926][ T73] inet6_addr_add+0x30e/0xa40 [ 3322.537926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.537926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.537926][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.537926][ T73] netlink_unicast+0x449/0x710 [ 3322.537926][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.537926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.537926][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.537926][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.537926][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.537926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.537926][ T73] [ 3322.539930][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.539930][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.539930][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.539930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.539930][ T73] ip6_route_add+0x1c/0x140 [ 3322.539930][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3322.539930][ T73] addrconf_add_dev+0xe2/0x170 [ 3322.539930][ T73] inet6_addr_add+0x12f/0xa40 [ 3322.539930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.539930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.539930][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.539930][ T73] netlink_unicast+0x449/0x710 [ 3322.539930][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.539930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.539930][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.539930][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.539930][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.539930][ T73] [ 3322.541880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.541880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3322.541880][ T73] ipv6_find_idev+0x102/0x170 [ 3322.541880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.541880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.541880][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.541880][ T73] netlink_unicast+0x449/0x710 [ 3322.541880][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.541880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.541880][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.541880][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.541880][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.541880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.541880][ T73] [ 3322.543431][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3322.543431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3322.543431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3322.543431][ T73] ipv6_find_idev+0x102/0x170 [ 3322.543431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.543431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.543431][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.543431][ T73] netlink_unicast+0x449/0x710 [ 3322.543431][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.543431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.543431][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.543431][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.543431][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.543431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.543431][ T73] [ 3322.545238][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3322.545503][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.545503][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3322.545503][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3322.545503][ T73] fib6_nh_init+0xa22/0x1580 [ 3322.545503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.545503][ T73] ip6_route_add+0x1c/0x140 [ 3322.545503][ T73] inet6_rtm_newroute+0x104/0x110 [ 3322.545503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.545503][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.545503][ T73] netlink_unicast+0x449/0x710 [ 3322.545503][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.545503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.545503][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.545503][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.545503][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.545503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.545503][ T73] [ 3322.547628][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.547628][ T73] dst_init+0x84/0x4a0 [ 3322.547628][ T73] dst_alloc+0x97/0x150 [ 3322.547628][ T73] ip6_dst_alloc+0x23/0x90 [ 3322.547628][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3322.547628][ T73] ip6_pol_route+0x56f/0x840 [ 3322.547628][ T73] fib6_rule_lookup+0x456/0x630 [ 3322.547628][ T73] ip6_route_input+0x59c/0xa50 [ 3322.547628][ T73] ipv6_rcv+0x397/0x810 [ 3322.547628][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3322.547628][ T73] process_backlog+0x101/0x620 [ 3322.547628][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3322.547628][ T73] net_rx_action+0x495/0xbe0 [ 3322.547628][ T73] __do_softirq+0x1b5/0x7f6 [ 3322.547628][ T73] [ 3322.549428][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.549428][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.549428][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.549428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.549428][ T73] ip6_route_add+0x1c/0x140 [ 3322.549428][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3322.549428][ T73] inet6_addr_add+0x4f8/0xa40 [ 3322.549428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.549428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.549428][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.549428][ T73] netlink_unicast+0x449/0x710 [ 3322.549428][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.549428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.549428][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.549428][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.549428][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.549428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.549428][ T73] [ 3322.551732][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.551732][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.551732][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.551732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.551732][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3322.551732][ T73] ipv6_add_addr+0x411/0x2000 [ 3322.551732][ T73] inet6_addr_add+0x30e/0xa40 [ 3322.551732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.551732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.551732][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.551732][ T73] netlink_unicast+0x449/0x710 [ 3322.551732][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.551732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.551732][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.551732][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.551732][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.551732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.551732][ T73] [ 3322.553958][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.553958][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.553958][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.553958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.553958][ T73] ip6_route_add+0x1c/0x140 [ 3322.553958][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3322.553958][ T73] addrconf_add_dev+0xe2/0x170 [ 3322.553958][ T73] inet6_addr_add+0x12f/0xa40 [ 3322.553958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.553958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.553958][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.553958][ T73] netlink_unicast+0x449/0x710 [ 3322.553958][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.553958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.553958][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.553958][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.553958][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.553958][ T73] [ 3322.556184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.556184][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3322.556184][ T73] ipv6_find_idev+0x102/0x170 [ 3322.556184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.556184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.556184][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.556184][ T73] netlink_unicast+0x449/0x710 [ 3322.556184][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.556184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.556184][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.556184][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.556184][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.556184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.556184][ T73] [ 3322.557895][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3322.557895][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3322.557895][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3322.557895][ T73] ipv6_find_idev+0x102/0x170 [ 3322.557895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.557895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.557895][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.557895][ T73] netlink_unicast+0x449/0x710 [ 3322.557895][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.557895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.557895][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.557895][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.557895][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.557895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.557895][ T73] [ 3322.559849][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3322.560115][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3322.560115][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.560115][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.560115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.560115][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3322.560115][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3322.560115][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3322.560115][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3322.560115][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3322.560115][ T73] addrconf_dad_begin+0x310/0x670 [ 3322.560115][ T73] addrconf_dad_work+0x10b/0xab0 [ 3322.560115][ T73] process_one_work+0x84d/0x18a0 [ 3322.560115][ T73] worker_thread+0x587/0xd30 [ 3322.560115][ T73] kthread+0x28a/0x350 [ 3322.560115][ T73] ret_from_fork+0x31/0x70 [ 3322.560115][ T73] ret_from_fork_asm+0x1a/0x30 [ 3322.560115][ T73] [ 3322.562253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3322.562253][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.562253][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.562253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.562253][ T73] ip6_route_add+0x1c/0x140 [ 3322.562253][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3322.562253][ T73] inet6_addr_add+0x4f8/0xa40 [ 3322.562253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.562253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.562253][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.562253][ T73] netlink_unicast+0x449/0x710 [ 3322.562253][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.562253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.562253][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.562253][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.562253][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.562253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.562253][ T73] [ 3322.564497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3322.564497][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.564497][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.564497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.564497][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3322.564497][ T73] ipv6_add_addr+0x411/0x2000 [ 3322.564497][ T73] inet6_addr_add+0x30e/0xa40 [ 3322.564497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.564497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.564497][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.564497][ T73] netlink_unicast+0x449/0x710 [ 3322.564497][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.564497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.564497][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.564497][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.564497][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.564497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.564497][ T73] [ 3322.566750][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3322.566750][ T73] netdev_get_by_index+0x5e/0x80 [ 3322.566750][ T73] fib6_nh_init+0x3d8/0x1580 [ 3322.566750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3322.566750][ T73] ip6_route_add+0x1c/0x140 [ 3322.566750][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3322.566750][ T73] addrconf_add_dev+0xe2/0x170 [ 3322.566750][ T73] inet6_addr_add+0x12f/0xa40 [ 3322.566750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.566750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.566750][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.566750][ T73] netlink_unicast+0x449/0x710 [ 3322.566750][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.566750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.566750][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.566750][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.566750][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.566750][ T73] [ 3322.568897][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3322.568897][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3322.568897][ T73] ipv6_find_idev+0x102/0x170 [ 3322.568897][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.568897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.568897][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.568897][ T73] netlink_unicast+0x449/0x710 [ 3322.568897][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.568897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.568897][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.568897][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.568897][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.568897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.568897][ T73] [ 3322.570669][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3322.570669][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3322.570669][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3322.570669][ T73] ipv6_find_idev+0x102/0x170 [ 3322.570669][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.570669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.570669][ T73] netlink_rcv_skb+0x130/0x360 [ 3322.570669][ T73] netlink_unicast+0x449/0x710 [ 3322.570669][ T73] netlink_sendmsg+0x723/0xbe0 [ 3322.570669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3322.570669][ T73] ___sys_sendmsg+0xee/0x170 [ 3322.570669][ T73] __sys_sendmsg+0xcd/0x170 [ 3322.570669][ T73] do_syscall_64+0xc6/0x1e0 [ 3322.570669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.570669][ T73] [ 3332.814912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3332.815379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.815379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3332.815379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3332.815379][ T73] fib6_nh_init+0xa22/0x1580 [ 3332.815379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.815379][ T73] ip6_route_add+0x1c/0x140 [ 3332.815379][ T73] inet6_rtm_newroute+0x104/0x110 [ 3332.815379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.815379][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.815379][ T73] netlink_unicast+0x449/0x710 [ 3332.815379][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.815379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.815379][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.815379][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.815379][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.815379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.815379][ T73] [ 3332.817269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.817269][ T73] dst_init+0x84/0x4a0 [ 3332.817269][ T73] dst_alloc+0x97/0x150 [ 3332.817269][ T73] ip6_dst_alloc+0x23/0x90 [ 3332.817269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3332.817269][ T73] ip6_pol_route+0x56f/0x840 [ 3332.817269][ T73] fib6_rule_lookup+0x456/0x630 [ 3332.817269][ T73] ip6_route_input+0x59c/0xa50 [ 3332.817269][ T73] ipv6_rcv+0x397/0x810 [ 3332.817269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3332.817269][ T73] process_backlog+0x101/0x620 [ 3332.817269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3332.817269][ T73] net_rx_action+0x495/0xbe0 [ 3332.817269][ T73] __do_softirq+0x1b5/0x7f6 [ 3332.817269][ T73] [ 3332.818903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.818903][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.818903][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.818903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.818903][ T73] ip6_route_add+0x1c/0x140 [ 3332.818903][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3332.818903][ T73] inet6_addr_add+0x4f8/0xa40 [ 3332.818903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.818903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.818903][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.818903][ T73] netlink_unicast+0x449/0x710 [ 3332.818903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.818903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.818903][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.818903][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.818903][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.818903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.818903][ T73] [ 3332.820892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.820892][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.820892][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.820892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.820892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3332.820892][ T73] ipv6_add_addr+0x411/0x2000 [ 3332.820892][ T73] inet6_addr_add+0x30e/0xa40 [ 3332.820892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.820892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.820892][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.820892][ T73] netlink_unicast+0x449/0x710 [ 3332.820892][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.820892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.820892][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.820892][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.820892][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.820892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.820892][ T73] [ 3332.822885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.822885][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.822885][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.822885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.822885][ T73] ip6_route_add+0x1c/0x140 [ 3332.822885][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3332.822885][ T73] addrconf_add_dev+0xe2/0x170 [ 3332.822885][ T73] inet6_addr_add+0x12f/0xa40 [ 3332.822885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.822885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.822885][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.822885][ T73] netlink_unicast+0x449/0x710 [ 3332.822885][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.822885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.822885][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.822885][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.822885][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.822885][ T73] [ 3332.824857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.824857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3332.824857][ T73] ipv6_find_idev+0x102/0x170 [ 3332.824857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.824857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.824857][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.824857][ T73] netlink_unicast+0x449/0x710 [ 3332.824857][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.824857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.824857][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.824857][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.824857][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.824857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.824857][ T73] [ 3332.826398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3332.826398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3332.826398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3332.826398][ T73] ipv6_find_idev+0x102/0x170 [ 3332.826398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.826398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.826398][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.826398][ T73] netlink_unicast+0x449/0x710 [ 3332.826398][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.826398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.826398][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.826398][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.826398][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.826398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.826398][ T73] [ 3332.828083][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3332.828364][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.828364][ T73] dst_init+0x84/0x4a0 [ 3332.828364][ T73] dst_alloc+0x97/0x150 [ 3332.828364][ T73] ip6_dst_alloc+0x23/0x90 [ 3332.828364][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3332.828364][ T73] ip6_pol_route+0x56f/0x840 [ 3332.828364][ T73] fib6_rule_lookup+0x456/0x630 [ 3332.828364][ T73] ip6_route_input+0x59c/0xa50 [ 3332.828364][ T73] ipv6_rcv+0x397/0x810 [ 3332.828364][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3332.828364][ T73] process_backlog+0x101/0x620 [ 3332.828364][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3332.828364][ T73] net_rx_action+0x495/0xbe0 [ 3332.828364][ T73] __do_softirq+0x1b5/0x7f6 [ 3332.828364][ T73] [ 3332.829995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.829995][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.829995][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.829995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.829995][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3332.829995][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3332.829995][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3332.829995][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3332.829995][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3332.829995][ T73] addrconf_dad_begin+0x310/0x670 [ 3332.829995][ T73] addrconf_dad_work+0x10b/0xab0 [ 3332.829995][ T73] process_one_work+0x84d/0x18a0 [ 3332.829995][ T73] worker_thread+0x587/0xd30 [ 3332.829995][ T73] kthread+0x28a/0x350 [ 3332.829995][ T73] ret_from_fork+0x31/0x70 [ 3332.829995][ T73] ret_from_fork_asm+0x1a/0x30 [ 3332.829995][ T73] [ 3332.831898][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.831898][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.831898][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.831898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.831898][ T73] ip6_route_add+0x1c/0x140 [ 3332.831898][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3332.831898][ T73] inet6_addr_add+0x4f8/0xa40 [ 3332.831898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.831898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.831898][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.831898][ T73] netlink_unicast+0x449/0x710 [ 3332.831898][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.831898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.831898][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.831898][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.831898][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.831898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.831898][ T73] [ 3332.833877][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.833877][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.833877][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.833877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.833877][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3332.833877][ T73] ipv6_add_addr+0x411/0x2000 [ 3332.833877][ T73] inet6_addr_add+0x30e/0xa40 [ 3332.833877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.833877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.833877][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.833877][ T73] netlink_unicast+0x449/0x710 [ 3332.833877][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.833877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.833877][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.833877][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.833877][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.833877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.833877][ T73] [ 3332.835870][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.835870][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.835870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.835870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.835870][ T73] ip6_route_add+0x1c/0x140 [ 3332.835870][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3332.835870][ T73] addrconf_add_dev+0xe2/0x170 [ 3332.835870][ T73] inet6_addr_add+0x12f/0xa40 [ 3332.835870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.835870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.835870][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.835870][ T73] netlink_unicast+0x449/0x710 [ 3332.835870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.835870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.835870][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.835870][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.835870][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.835870][ T73] [ 3332.837815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.837815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3332.837815][ T73] ipv6_find_idev+0x102/0x170 [ 3332.837815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.837815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.837815][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.837815][ T73] netlink_unicast+0x449/0x710 [ 3332.837815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.837815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.837815][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.837815][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.837815][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.837815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.837815][ T73] [ 3332.839341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3332.839341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3332.839341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3332.839341][ T73] ipv6_find_idev+0x102/0x170 [ 3332.839341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.839341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.839341][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.839341][ T73] netlink_unicast+0x449/0x710 [ 3332.839341][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.839341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.839341][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.839341][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.839341][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.839341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.839341][ T73] [ 3332.841129][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3332.841397][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.841397][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3332.841397][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3332.841397][ T73] fib6_nh_init+0xa22/0x1580 [ 3332.841397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.841397][ T73] ip6_route_add+0x1c/0x140 [ 3332.841397][ T73] inet6_rtm_newroute+0x104/0x110 [ 3332.841397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.841397][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.841397][ T73] netlink_unicast+0x449/0x710 [ 3332.841397][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.841397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.841397][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.841397][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.841397][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.841397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.841397][ T73] [ 3332.843508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.843508][ T73] dst_init+0x84/0x4a0 [ 3332.843508][ T73] dst_alloc+0x97/0x150 [ 3332.843508][ T73] ip6_dst_alloc+0x23/0x90 [ 3332.843508][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3332.843508][ T73] ip6_pol_route+0x56f/0x840 [ 3332.843508][ T73] fib6_rule_lookup+0x456/0x630 [ 3332.843508][ T73] ip6_route_input+0x59c/0xa50 [ 3332.843508][ T73] ipv6_rcv+0x397/0x810 [ 3332.843508][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3332.843508][ T73] process_backlog+0x101/0x620 [ 3332.843508][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3332.843508][ T73] net_rx_action+0x495/0xbe0 [ 3332.843508][ T73] __do_softirq+0x1b5/0x7f6 [ 3332.843508][ T73] [ 3332.845321][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.845321][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.845321][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.845321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.845321][ T73] ip6_route_add+0x1c/0x140 [ 3332.845321][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3332.845321][ T73] inet6_addr_add+0x4f8/0xa40 [ 3332.845321][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.845321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.845321][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.845321][ T73] netlink_unicast+0x449/0x710 [ 3332.845321][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.845321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.845321][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.845321][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.845321][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.845321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.845321][ T73] [ 3332.847542][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.847542][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.847542][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.847542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.847542][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3332.847542][ T73] ipv6_add_addr+0x411/0x2000 [ 3332.847542][ T73] inet6_addr_add+0x30e/0xa40 [ 3332.847542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.847542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.847542][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.847542][ T73] netlink_unicast+0x449/0x710 [ 3332.847542][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.847542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.847542][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.847542][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.847542][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.847542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.847542][ T73] [ 3332.849779][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.849779][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.849779][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.849779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.849779][ T73] ip6_route_add+0x1c/0x140 [ 3332.849779][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3332.849779][ T73] addrconf_add_dev+0xe2/0x170 [ 3332.849779][ T73] inet6_addr_add+0x12f/0xa40 [ 3332.849779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.849779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.849779][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.849779][ T73] netlink_unicast+0x449/0x710 [ 3332.849779][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.849779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.849779][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.849779][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.849779][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.849779][ T73] [ 3332.852035][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.852035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3332.852035][ T73] ipv6_find_idev+0x102/0x170 [ 3332.852035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.852035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.852035][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.852035][ T73] netlink_unicast+0x449/0x710 [ 3332.852035][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.852035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.852035][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.852035][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.852035][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.852035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.852035][ T73] [ 3332.853741][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3332.853741][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3332.853741][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3332.853741][ T73] ipv6_find_idev+0x102/0x170 [ 3332.853741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.853741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.853741][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.853741][ T73] netlink_unicast+0x449/0x710 [ 3332.853741][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.853741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.853741][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.853741][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.853741][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.853741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.853741][ T73] [ 3332.855595][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3332.856299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3332.856299][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.856299][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.856299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.856299][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3332.856299][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3332.856299][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3332.856299][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3332.856299][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3332.856299][ T73] addrconf_dad_begin+0x310/0x670 [ 3332.856299][ T73] addrconf_dad_work+0x10b/0xab0 [ 3332.856299][ T73] process_one_work+0x84d/0x18a0 [ 3332.856299][ T73] worker_thread+0x587/0xd30 [ 3332.856299][ T73] kthread+0x28a/0x350 [ 3332.856299][ T73] ret_from_fork+0x31/0x70 [ 3332.856299][ T73] ret_from_fork_asm+0x1a/0x30 [ 3332.856299][ T73] [ 3332.858195][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3332.858195][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.858195][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.858195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.858195][ T73] ip6_route_add+0x1c/0x140 [ 3332.858195][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3332.858195][ T73] inet6_addr_add+0x4f8/0xa40 [ 3332.858195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.858195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.858195][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.858195][ T73] netlink_unicast+0x449/0x710 [ 3332.858195][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.858195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.858195][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.858195][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.858195][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.858195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.858195][ T73] [ 3332.860812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3332.860812][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.860812][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.860812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.860812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3332.860812][ T73] ipv6_add_addr+0x411/0x2000 [ 3332.860812][ T73] inet6_addr_add+0x30e/0xa40 [ 3332.860812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.860812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.860812][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.860812][ T73] netlink_unicast+0x449/0x710 [ 3332.860812][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.860812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.860812][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.860812][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.860812][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.860812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.860812][ T73] [ 3332.863035][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3332.863035][ T73] netdev_get_by_index+0x5e/0x80 [ 3332.863035][ T73] fib6_nh_init+0x3d8/0x1580 [ 3332.863035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3332.863035][ T73] ip6_route_add+0x1c/0x140 [ 3332.863035][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3332.863035][ T73] addrconf_add_dev+0xe2/0x170 [ 3332.863035][ T73] inet6_addr_add+0x12f/0xa40 [ 3332.863035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.863035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.863035][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.863035][ T73] netlink_unicast+0x449/0x710 [ 3332.863035][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.863035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.863035][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.863035][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.863035][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.863035][ T73] [ 3332.865236][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3332.865236][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3332.865236][ T73] ipv6_find_idev+0x102/0x170 [ 3332.865236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.865236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.865236][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.865236][ T73] netlink_unicast+0x449/0x710 [ 3332.865236][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.865236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.865236][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.865236][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.865236][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.865236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.865236][ T73] [ 3332.866945][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3332.866945][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3332.866945][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3332.866945][ T73] ipv6_find_idev+0x102/0x170 [ 3332.866945][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.866945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.866945][ T73] netlink_rcv_skb+0x130/0x360 [ 3332.866945][ T73] netlink_unicast+0x449/0x710 [ 3332.866945][ T73] netlink_sendmsg+0x723/0xbe0 [ 3332.866945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3332.866945][ T73] ___sys_sendmsg+0xee/0x170 [ 3332.866945][ T73] __sys_sendmsg+0xcd/0x170 [ 3332.866945][ T73] do_syscall_64+0xc6/0x1e0 [ 3332.866945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.866945][ T73] [ 3343.110908][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3343.111365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.111365][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3343.111365][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3343.111365][ T73] fib6_nh_init+0xa22/0x1580 [ 3343.111365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.111365][ T73] ip6_route_add+0x1c/0x140 [ 3343.111365][ T73] inet6_rtm_newroute+0x104/0x110 [ 3343.111365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.111365][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.111365][ T73] netlink_unicast+0x449/0x710 [ 3343.111365][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.111365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.111365][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.111365][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.111365][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.111365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.111365][ T73] [ 3343.113251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.113251][ T73] dst_init+0x84/0x4a0 [ 3343.113251][ T73] dst_alloc+0x97/0x150 [ 3343.113251][ T73] ip6_dst_alloc+0x23/0x90 [ 3343.113251][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3343.113251][ T73] ip6_pol_route+0x56f/0x840 [ 3343.113251][ T73] fib6_rule_lookup+0x456/0x630 [ 3343.113251][ T73] ip6_route_input+0x59c/0xa50 [ 3343.113251][ T73] ipv6_rcv+0x397/0x810 [ 3343.113251][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3343.113251][ T73] process_backlog+0x101/0x620 [ 3343.113251][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3343.113251][ T73] net_rx_action+0x495/0xbe0 [ 3343.113251][ T73] __do_softirq+0x1b5/0x7f6 [ 3343.113251][ T73] [ 3343.114886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.114886][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.114886][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.114886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.114886][ T73] ip6_route_add+0x1c/0x140 [ 3343.114886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3343.114886][ T73] inet6_addr_add+0x4f8/0xa40 [ 3343.114886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.114886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.114886][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.114886][ T73] netlink_unicast+0x449/0x710 [ 3343.114886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.114886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.114886][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.114886][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.114886][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.114886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.114886][ T73] [ 3343.116880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.116880][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.116880][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.116880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.116880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3343.116880][ T73] ipv6_add_addr+0x411/0x2000 [ 3343.116880][ T73] inet6_addr_add+0x30e/0xa40 [ 3343.116880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.116880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.116880][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.116880][ T73] netlink_unicast+0x449/0x710 [ 3343.116880][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.116880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.116880][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.116880][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.116880][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.116880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.116880][ T73] [ 3343.118875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.118875][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.118875][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.118875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.118875][ T73] ip6_route_add+0x1c/0x140 [ 3343.118875][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3343.118875][ T73] addrconf_add_dev+0xe2/0x170 [ 3343.118875][ T73] inet6_addr_add+0x12f/0xa40 [ 3343.118875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.118875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.118875][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.118875][ T73] netlink_unicast+0x449/0x710 [ 3343.118875][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.118875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.118875][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.118875][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.118875][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.118875][ T73] [ 3343.120835][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.120835][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3343.120835][ T73] ipv6_find_idev+0x102/0x170 [ 3343.120835][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.120835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.120835][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.120835][ T73] netlink_unicast+0x449/0x710 [ 3343.120835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.120835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.120835][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.120835][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.120835][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.120835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.120835][ T73] [ 3343.122363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3343.122363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3343.122363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3343.122363][ T73] ipv6_find_idev+0x102/0x170 [ 3343.122363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.122363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.122363][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.122363][ T73] netlink_unicast+0x449/0x710 [ 3343.122363][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.122363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.122363][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.122363][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.122363][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.122363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.122363][ T73] [ 3343.124043][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3343.124309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.124309][ T73] dst_init+0x84/0x4a0 [ 3343.124309][ T73] dst_alloc+0x97/0x150 [ 3343.124309][ T73] ip6_dst_alloc+0x23/0x90 [ 3343.124309][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3343.124309][ T73] ip6_pol_route+0x56f/0x840 [ 3343.124309][ T73] fib6_rule_lookup+0x456/0x630 [ 3343.124309][ T73] ip6_route_input+0x59c/0xa50 [ 3343.124309][ T73] ipv6_rcv+0x397/0x810 [ 3343.124309][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3343.124309][ T73] process_backlog+0x101/0x620 [ 3343.124309][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3343.124309][ T73] net_rx_action+0x495/0xbe0 [ 3343.124309][ T73] __do_softirq+0x1b5/0x7f6 [ 3343.124309][ T73] [ 3343.125944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.125944][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.125944][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.125944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.125944][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3343.125944][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3343.125944][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3343.125944][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3343.125944][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3343.125944][ T73] addrconf_dad_begin+0x310/0x670 [ 3343.125944][ T73] addrconf_dad_work+0x10b/0xab0 [ 3343.125944][ T73] process_one_work+0x84d/0x18a0 [ 3343.125944][ T73] worker_thread+0x587/0xd30 [ 3343.125944][ T73] kthread+0x28a/0x350 [ 3343.125944][ T73] ret_from_fork+0x31/0x70 [ 3343.125944][ T73] ret_from_fork_asm+0x1a/0x30 [ 3343.125944][ T73] [ 3343.127841][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.127841][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.127841][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.127841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.127841][ T73] ip6_route_add+0x1c/0x140 [ 3343.127841][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3343.127841][ T73] inet6_addr_add+0x4f8/0xa40 [ 3343.127841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.127841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.127841][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.127841][ T73] netlink_unicast+0x449/0x710 [ 3343.127841][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.127841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.127841][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.127841][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.127841][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.127841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.127841][ T73] [ 3343.129838][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.129838][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.129838][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.129838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.129838][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3343.129838][ T73] ipv6_add_addr+0x411/0x2000 [ 3343.129838][ T73] inet6_addr_add+0x30e/0xa40 [ 3343.129838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.129838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.129838][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.129838][ T73] netlink_unicast+0x449/0x710 [ 3343.129838][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.129838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.129838][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.129838][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.129838][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.129838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.129838][ T73] [ 3343.131825][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.131825][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.131825][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.131825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.131825][ T73] ip6_route_add+0x1c/0x140 [ 3343.131825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3343.131825][ T73] addrconf_add_dev+0xe2/0x170 [ 3343.131825][ T73] inet6_addr_add+0x12f/0xa40 [ 3343.131825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.131825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.131825][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.131825][ T73] netlink_unicast+0x449/0x710 [ 3343.131825][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.131825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.131825][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.131825][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.131825][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.131825][ T73] [ 3343.133773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.133773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3343.133773][ T73] ipv6_find_idev+0x102/0x170 [ 3343.133773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.133773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.133773][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.133773][ T73] netlink_unicast+0x449/0x710 [ 3343.133773][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.133773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.133773][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.133773][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.133773][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.133773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.133773][ T73] [ 3343.135309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3343.135309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3343.135309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3343.135309][ T73] ipv6_find_idev+0x102/0x170 [ 3343.135309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.135309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.135309][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.135309][ T73] netlink_unicast+0x449/0x710 [ 3343.135309][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.135309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.135309][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.135309][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.135309][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.135309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.135309][ T73] [ 3343.137114][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3343.137379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.137379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3343.137379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3343.137379][ T73] fib6_nh_init+0xa22/0x1580 [ 3343.137379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.137379][ T73] ip6_route_add+0x1c/0x140 [ 3343.137379][ T73] inet6_rtm_newroute+0x104/0x110 [ 3343.137379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.137379][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.137379][ T73] netlink_unicast+0x449/0x710 [ 3343.137379][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.137379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.137379][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.137379][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.137379][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.137379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.137379][ T73] [ 3343.139492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.139492][ T73] dst_init+0x84/0x4a0 [ 3343.139492][ T73] dst_alloc+0x97/0x150 [ 3343.139492][ T73] ip6_dst_alloc+0x23/0x90 [ 3343.139492][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3343.139492][ T73] ip6_pol_route+0x56f/0x840 [ 3343.139492][ T73] fib6_rule_lookup+0x456/0x630 [ 3343.139492][ T73] ip6_route_input+0x59c/0xa50 [ 3343.139492][ T73] ipv6_rcv+0x397/0x810 [ 3343.139492][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3343.139492][ T73] process_backlog+0x101/0x620 [ 3343.139492][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3343.139492][ T73] net_rx_action+0x495/0xbe0 [ 3343.139492][ T73] __do_softirq+0x1b5/0x7f6 [ 3343.139492][ T73] [ 3343.141298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.141298][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.141298][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.141298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.141298][ T73] ip6_route_add+0x1c/0x140 [ 3343.141298][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3343.141298][ T73] inet6_addr_add+0x4f8/0xa40 [ 3343.141298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.141298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.141298][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.141298][ T73] netlink_unicast+0x449/0x710 [ 3343.141298][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.141298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.141298][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.141298][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.141298][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.141298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.141298][ T73] [ 3343.143597][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.143597][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.143597][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.143597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.143597][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3343.143597][ T73] ipv6_add_addr+0x411/0x2000 [ 3343.143597][ T73] inet6_addr_add+0x30e/0xa40 [ 3343.143597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.143597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.143597][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.143597][ T73] netlink_unicast+0x449/0x710 [ 3343.143597][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.143597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.143597][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.143597][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.143597][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.143597][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.143597][ T73] [ 3343.145829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.145829][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.145829][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.145829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.145829][ T73] ip6_route_add+0x1c/0x140 [ 3343.145829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3343.145829][ T73] addrconf_add_dev+0xe2/0x170 [ 3343.145829][ T73] inet6_addr_add+0x12f/0xa40 [ 3343.145829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.145829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.145829][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.145829][ T73] netlink_unicast+0x449/0x710 [ 3343.145829][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.145829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.145829][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.145829][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.145829][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.145829][ T73] [ 3343.148024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.148024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3343.148024][ T73] ipv6_find_idev+0x102/0x170 [ 3343.148024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.148024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.148024][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.148024][ T73] netlink_unicast+0x449/0x710 [ 3343.148024][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.148024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.148024][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.148024][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.148024][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.148024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.148024][ T73] [ 3343.149731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3343.149731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3343.149731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3343.149731][ T73] ipv6_find_idev+0x102/0x170 [ 3343.149731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.149731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.149731][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.149731][ T73] netlink_unicast+0x449/0x710 [ 3343.149731][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.149731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.149731][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.149731][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.149731][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.149731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.149731][ T73] [ 3343.151585][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3343.151918][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3343.151918][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.151918][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.151918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.151918][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3343.151918][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3343.151918][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3343.151918][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3343.151918][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3343.151918][ T73] addrconf_dad_begin+0x310/0x670 [ 3343.151918][ T73] addrconf_dad_work+0x10b/0xab0 [ 3343.151918][ T73] process_one_work+0x84d/0x18a0 [ 3343.151918][ T73] worker_thread+0x587/0xd30 [ 3343.151918][ T73] kthread+0x28a/0x350 [ 3343.151918][ T73] ret_from_fork+0x31/0x70 [ 3343.151918][ T73] ret_from_fork_asm+0x1a/0x30 [ 3343.151918][ T73] [ 3343.154068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3343.154068][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.154068][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.154068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.154068][ T73] ip6_route_add+0x1c/0x140 [ 3343.154068][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3343.154068][ T73] inet6_addr_add+0x4f8/0xa40 [ 3343.154068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.154068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.154068][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.154068][ T73] netlink_unicast+0x449/0x710 [ 3343.154068][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.154068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.154068][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.154068][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.154068][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.154068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.154068][ T73] [ 3343.156299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3343.156299][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.156299][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.156299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.156299][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3343.156299][ T73] ipv6_add_addr+0x411/0x2000 [ 3343.156299][ T73] inet6_addr_add+0x30e/0xa40 [ 3343.156299][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.156299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.156299][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.156299][ T73] netlink_unicast+0x449/0x710 [ 3343.156299][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.156299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.156299][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.156299][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.156299][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.156299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.156299][ T73] [ 3343.158516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3343.158516][ T73] netdev_get_by_index+0x5e/0x80 [ 3343.158516][ T73] fib6_nh_init+0x3d8/0x1580 [ 3343.158516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3343.158516][ T73] ip6_route_add+0x1c/0x140 [ 3343.158516][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3343.158516][ T73] addrconf_add_dev+0xe2/0x170 [ 3343.158516][ T73] inet6_addr_add+0x12f/0xa40 [ 3343.158516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3343.158516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.158516][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.158516][ T73] netlink_unicast+0x449/0x710 [ 3343.158516][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.158516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.158516][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.158516][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.158516][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.158516][ T73] [ 3343.160708][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3343.160708][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3343.160708][ T73] ipv6_find_idev+0x102/0x170 [ 3343.160708][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.160708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.160708][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.160708][ T73] netlink_unicast+0x449/0x710 [ 3343.160708][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.160708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.160708][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.160708][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.160708][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.160708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.160708][ T73] [ 3343.162475][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3343.162475][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3343.162475][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3343.162475][ T73] ipv6_find_idev+0x102/0x170 [ 3343.162475][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3343.162475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3343.162475][ T73] netlink_rcv_skb+0x130/0x360 [ 3343.162475][ T73] netlink_unicast+0x449/0x710 [ 3343.162475][ T73] netlink_sendmsg+0x723/0xbe0 [ 3343.162475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3343.162475][ T73] ___sys_sendmsg+0xee/0x170 [ 3343.162475][ T73] __sys_sendmsg+0xcd/0x170 [ 3343.162475][ T73] do_syscall_64+0xc6/0x1e0 [ 3343.162475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3343.162475][ T73] [ 3353.406936][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3353.407385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.407385][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3353.407385][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3353.407385][ T73] fib6_nh_init+0xa22/0x1580 [ 3353.407385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.407385][ T73] ip6_route_add+0x1c/0x140 [ 3353.407385][ T73] inet6_rtm_newroute+0x104/0x110 [ 3353.407385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.407385][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.407385][ T73] netlink_unicast+0x449/0x710 [ 3353.407385][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.407385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.407385][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.407385][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.407385][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.407385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.407385][ T73] [ 3353.409266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.409266][ T73] dst_init+0x84/0x4a0 [ 3353.409266][ T73] dst_alloc+0x97/0x150 [ 3353.409266][ T73] ip6_dst_alloc+0x23/0x90 [ 3353.409266][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3353.409266][ T73] ip6_pol_route+0x56f/0x840 [ 3353.409266][ T73] fib6_rule_lookup+0x456/0x630 [ 3353.409266][ T73] ip6_route_input+0x59c/0xa50 [ 3353.409266][ T73] ipv6_rcv+0x397/0x810 [ 3353.409266][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3353.409266][ T73] process_backlog+0x101/0x620 [ 3353.409266][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3353.409266][ T73] net_rx_action+0x495/0xbe0 [ 3353.409266][ T73] __do_softirq+0x1b5/0x7f6 [ 3353.409266][ T73] [ 3353.410900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.410900][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.410900][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.410900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.410900][ T73] ip6_route_add+0x1c/0x140 [ 3353.410900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3353.410900][ T73] inet6_addr_add+0x4f8/0xa40 [ 3353.410900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.410900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.410900][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.410900][ T73] netlink_unicast+0x449/0x710 [ 3353.410900][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.410900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.410900][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.410900][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.410900][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.410900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.410900][ T73] [ 3353.412889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.412889][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.412889][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.412889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.412889][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3353.412889][ T73] ipv6_add_addr+0x411/0x2000 [ 3353.412889][ T73] inet6_addr_add+0x30e/0xa40 [ 3353.412889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.412889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.412889][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.412889][ T73] netlink_unicast+0x449/0x710 [ 3353.412889][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.412889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.412889][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.412889][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.412889][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.412889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.412889][ T73] [ 3353.414894][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.414894][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.414894][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.414894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.414894][ T73] ip6_route_add+0x1c/0x140 [ 3353.414894][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3353.414894][ T73] addrconf_add_dev+0xe2/0x170 [ 3353.414894][ T73] inet6_addr_add+0x12f/0xa40 [ 3353.414894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.414894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.414894][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.414894][ T73] netlink_unicast+0x449/0x710 [ 3353.414894][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.414894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.414894][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.414894][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.414894][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.414894][ T73] [ 3353.416857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.416857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3353.416857][ T73] ipv6_find_idev+0x102/0x170 [ 3353.416857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.416857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.416857][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.416857][ T73] netlink_unicast+0x449/0x710 [ 3353.416857][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.416857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.416857][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.416857][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.416857][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.416857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.416857][ T73] [ 3353.418387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3353.418387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3353.418387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3353.418387][ T73] ipv6_find_idev+0x102/0x170 [ 3353.418387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.418387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.418387][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.418387][ T73] netlink_unicast+0x449/0x710 [ 3353.418387][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.418387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.418387][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.418387][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.418387][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.418387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.418387][ T73] [ 3353.420087][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3353.420361][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.420361][ T73] dst_init+0x84/0x4a0 [ 3353.420361][ T73] dst_alloc+0x97/0x150 [ 3353.420361][ T73] ip6_dst_alloc+0x23/0x90 [ 3353.420361][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3353.420361][ T73] ip6_pol_route+0x56f/0x840 [ 3353.420361][ T73] fib6_rule_lookup+0x456/0x630 [ 3353.420361][ T73] ip6_route_input+0x59c/0xa50 [ 3353.420361][ T73] ipv6_rcv+0x397/0x810 [ 3353.420361][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3353.420361][ T73] process_backlog+0x101/0x620 [ 3353.420361][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3353.420361][ T73] net_rx_action+0x495/0xbe0 [ 3353.420361][ T73] __do_softirq+0x1b5/0x7f6 [ 3353.420361][ T73] [ 3353.421988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.421988][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.421988][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.421988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.421988][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3353.421988][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3353.421988][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3353.421988][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3353.421988][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3353.421988][ T73] addrconf_dad_begin+0x310/0x670 [ 3353.421988][ T73] addrconf_dad_work+0x10b/0xab0 [ 3353.421988][ T73] process_one_work+0x84d/0x18a0 [ 3353.421988][ T73] worker_thread+0x587/0xd30 [ 3353.421988][ T73] kthread+0x28a/0x350 [ 3353.421988][ T73] ret_from_fork+0x31/0x70 [ 3353.421988][ T73] ret_from_fork_asm+0x1a/0x30 [ 3353.421988][ T73] [ 3353.423886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.423886][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.423886][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.423886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.423886][ T73] ip6_route_add+0x1c/0x140 [ 3353.423886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3353.423886][ T73] inet6_addr_add+0x4f8/0xa40 [ 3353.423886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.423886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.423886][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.423886][ T73] netlink_unicast+0x449/0x710 [ 3353.423886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.423886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.423886][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.423886][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.423886][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.423886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.423886][ T73] [ 3353.425879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.425879][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.425879][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.425879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.425879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3353.425879][ T73] ipv6_add_addr+0x411/0x2000 [ 3353.425879][ T73] inet6_addr_add+0x30e/0xa40 [ 3353.425879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.425879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.425879][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.425879][ T73] netlink_unicast+0x449/0x710 [ 3353.425879][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.425879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.425879][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.425879][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.425879][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.425879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.425879][ T73] [ 3353.427867][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.427867][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.427867][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.427867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.427867][ T73] ip6_route_add+0x1c/0x140 [ 3353.427867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3353.427867][ T73] addrconf_add_dev+0xe2/0x170 [ 3353.427867][ T73] inet6_addr_add+0x12f/0xa40 [ 3353.427867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.427867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.427867][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.427867][ T73] netlink_unicast+0x449/0x710 [ 3353.427867][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.427867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.427867][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.427867][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.427867][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.427867][ T73] [ 3353.429815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.429815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3353.429815][ T73] ipv6_find_idev+0x102/0x170 [ 3353.429815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.429815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.429815][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.429815][ T73] netlink_unicast+0x449/0x710 [ 3353.429815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.429815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.429815][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.429815][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.429815][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.429815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.429815][ T73] [ 3353.431344][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3353.431344][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3353.431344][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3353.431344][ T73] ipv6_find_idev+0x102/0x170 [ 3353.431344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.431344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.431344][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.431344][ T73] netlink_unicast+0x449/0x710 [ 3353.431344][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.431344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.431344][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.431344][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.431344][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.431344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.431344][ T73] [ 3353.433142][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3353.433406][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.433406][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3353.433406][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3353.433406][ T73] fib6_nh_init+0xa22/0x1580 [ 3353.433406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.433406][ T73] ip6_route_add+0x1c/0x140 [ 3353.433406][ T73] inet6_rtm_newroute+0x104/0x110 [ 3353.433406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.433406][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.433406][ T73] netlink_unicast+0x449/0x710 [ 3353.433406][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.433406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.433406][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.433406][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.433406][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.433406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.433406][ T73] [ 3353.435580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.435580][ T73] dst_init+0x84/0x4a0 [ 3353.435580][ T73] dst_alloc+0x97/0x150 [ 3353.435580][ T73] ip6_dst_alloc+0x23/0x90 [ 3353.435580][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3353.435580][ T73] ip6_pol_route+0x56f/0x840 [ 3353.435580][ T73] fib6_rule_lookup+0x456/0x630 [ 3353.435580][ T73] ip6_route_input+0x59c/0xa50 [ 3353.435580][ T73] ipv6_rcv+0x397/0x810 [ 3353.435580][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3353.435580][ T73] process_backlog+0x101/0x620 [ 3353.435580][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3353.435580][ T73] net_rx_action+0x495/0xbe0 [ 3353.435580][ T73] __do_softirq+0x1b5/0x7f6 [ 3353.435580][ T73] [ 3353.437376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.437376][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.437376][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.437376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.437376][ T73] ip6_route_add+0x1c/0x140 [ 3353.437376][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3353.437376][ T73] inet6_addr_add+0x4f8/0xa40 [ 3353.437376][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.437376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.437376][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.437376][ T73] netlink_unicast+0x449/0x710 [ 3353.437376][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.437376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.437376][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.437376][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.437376][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.437376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.437376][ T73] [ 3353.439598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.439598][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.439598][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.439598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.439598][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3353.439598][ T73] ipv6_add_addr+0x411/0x2000 [ 3353.439598][ T73] inet6_addr_add+0x30e/0xa40 [ 3353.439598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.439598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.439598][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.439598][ T73] netlink_unicast+0x449/0x710 [ 3353.439598][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.439598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.439598][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.439598][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.439598][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.439598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.439598][ T73] [ 3353.441828][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.441828][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.441828][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.441828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.441828][ T73] ip6_route_add+0x1c/0x140 [ 3353.441828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3353.441828][ T73] addrconf_add_dev+0xe2/0x170 [ 3353.441828][ T73] inet6_addr_add+0x12f/0xa40 [ 3353.441828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.441828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.441828][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.441828][ T73] netlink_unicast+0x449/0x710 [ 3353.441828][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.441828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.441828][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.441828][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.441828][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.441828][ T73] [ 3353.444081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.444081][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3353.444081][ T73] ipv6_find_idev+0x102/0x170 [ 3353.444081][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.444081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.444081][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.444081][ T73] netlink_unicast+0x449/0x710 [ 3353.444081][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.444081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.444081][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.444081][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.444081][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.444081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.444081][ T73] [ 3353.445747][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3353.445747][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3353.445747][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3353.445747][ T73] ipv6_find_idev+0x102/0x170 [ 3353.445747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.445747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.445747][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.445747][ T73] netlink_unicast+0x449/0x710 [ 3353.445747][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.445747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.445747][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.445747][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.445747][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.445747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.445747][ T73] [ 3353.447656][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3353.448355][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3353.448355][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.448355][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.448355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.448355][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3353.448355][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3353.448355][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3353.448355][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3353.448355][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3353.448355][ T73] addrconf_dad_begin+0x310/0x670 [ 3353.448355][ T73] addrconf_dad_work+0x10b/0xab0 [ 3353.448355][ T73] process_one_work+0x84d/0x18a0 [ 3353.448355][ T73] worker_thread+0x587/0xd30 [ 3353.448355][ T73] kthread+0x28a/0x350 [ 3353.448355][ T73] ret_from_fork+0x31/0x70 [ 3353.448355][ T73] ret_from_fork_asm+0x1a/0x30 [ 3353.448355][ T73] [ 3353.450260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3353.450260][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.450260][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.450260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.450260][ T73] ip6_route_add+0x1c/0x140 [ 3353.450260][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3353.450260][ T73] inet6_addr_add+0x4f8/0xa40 [ 3353.450260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.450260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.450260][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.450260][ T73] netlink_unicast+0x449/0x710 [ 3353.450260][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.450260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.450260][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.450260][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.450260][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.450260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.450260][ T73] [ 3353.452361][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3353.452361][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.452361][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.452361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.452361][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3353.452361][ T73] ipv6_add_addr+0x411/0x2000 [ 3353.452361][ T73] inet6_addr_add+0x30e/0xa40 [ 3353.452361][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.452361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.452361][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.452361][ T73] netlink_unicast+0x449/0x710 [ 3353.452361][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.452361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.452361][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.452361][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.452361][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.452361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.452361][ T73] [ 3353.454588][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3353.454588][ T73] netdev_get_by_index+0x5e/0x80 [ 3353.454588][ T73] fib6_nh_init+0x3d8/0x1580 [ 3353.454588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3353.454588][ T73] ip6_route_add+0x1c/0x140 [ 3353.454588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3353.454588][ T73] addrconf_add_dev+0xe2/0x170 [ 3353.454588][ T73] inet6_addr_add+0x12f/0xa40 [ 3353.454588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.454588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.454588][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.454588][ T73] netlink_unicast+0x449/0x710 [ 3353.454588][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.454588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.454588][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.454588][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.454588][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.454588][ T73] [ 3353.456784][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3353.456784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3353.456784][ T73] ipv6_find_idev+0x102/0x170 [ 3353.456784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.456784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.456784][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.456784][ T73] netlink_unicast+0x449/0x710 [ 3353.456784][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.456784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.456784][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.456784][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.456784][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.456784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.456784][ T73] [ 3353.458492][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3353.458492][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3353.458492][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3353.458492][ T73] ipv6_find_idev+0x102/0x170 [ 3353.458492][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.458492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.458492][ T73] netlink_rcv_skb+0x130/0x360 [ 3353.458492][ T73] netlink_unicast+0x449/0x710 [ 3353.458492][ T73] netlink_sendmsg+0x723/0xbe0 [ 3353.458492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3353.458492][ T73] ___sys_sendmsg+0xee/0x170 [ 3353.458492][ T73] __sys_sendmsg+0xcd/0x170 [ 3353.458492][ T73] do_syscall_64+0xc6/0x1e0 [ 3353.458492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.458492][ T73] [ 3363.478903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3363.479403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.479403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3363.479403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3363.479403][ T73] fib6_nh_init+0xa22/0x1580 [ 3363.479403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.479403][ T73] ip6_route_add+0x1c/0x140 [ 3363.479403][ T73] inet6_rtm_newroute+0x104/0x110 [ 3363.479403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.479403][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.479403][ T73] netlink_unicast+0x449/0x710 [ 3363.479403][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.479403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.479403][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.479403][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.479403][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.479403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.479403][ T73] [ 3363.481281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.481281][ T73] dst_init+0x84/0x4a0 [ 3363.481281][ T73] dst_alloc+0x97/0x150 [ 3363.481281][ T73] ip6_dst_alloc+0x23/0x90 [ 3363.481281][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3363.481281][ T73] ip6_pol_route+0x56f/0x840 [ 3363.481281][ T73] fib6_rule_lookup+0x456/0x630 [ 3363.481281][ T73] ip6_route_input+0x59c/0xa50 [ 3363.481281][ T73] ipv6_rcv+0x397/0x810 [ 3363.481281][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3363.481281][ T73] process_backlog+0x101/0x620 [ 3363.481281][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3363.481281][ T73] net_rx_action+0x495/0xbe0 [ 3363.481281][ T73] __do_softirq+0x1b5/0x7f6 [ 3363.481281][ T73] [ 3363.482913][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.482913][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.482913][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.482913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.482913][ T73] ip6_route_add+0x1c/0x140 [ 3363.482913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3363.482913][ T73] inet6_addr_add+0x4f8/0xa40 [ 3363.482913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.482913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.482913][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.482913][ T73] netlink_unicast+0x449/0x710 [ 3363.482913][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.482913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.482913][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.482913][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.482913][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.482913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.482913][ T73] [ 3363.484916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.484916][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.484916][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.484916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.484916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3363.484916][ T73] ipv6_add_addr+0x411/0x2000 [ 3363.484916][ T73] inet6_addr_add+0x30e/0xa40 [ 3363.484916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.484916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.484916][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.484916][ T73] netlink_unicast+0x449/0x710 [ 3363.484916][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.484916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.484916][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.484916][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.484916][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.484916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.484916][ T73] [ 3363.486897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.486897][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.486897][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.486897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.486897][ T73] ip6_route_add+0x1c/0x140 [ 3363.486897][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3363.486897][ T73] addrconf_add_dev+0xe2/0x170 [ 3363.486897][ T73] inet6_addr_add+0x12f/0xa40 [ 3363.486897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.486897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.486897][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.486897][ T73] netlink_unicast+0x449/0x710 [ 3363.486897][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.486897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.486897][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.486897][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.486897][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.486897][ T73] [ 3363.488850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.488850][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3363.488850][ T73] ipv6_find_idev+0x102/0x170 [ 3363.488850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.488850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.488850][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.488850][ T73] netlink_unicast+0x449/0x710 [ 3363.488850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.488850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.488850][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.488850][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.488850][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.488850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.488850][ T73] [ 3363.490392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3363.490392][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3363.490392][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3363.490392][ T73] ipv6_find_idev+0x102/0x170 [ 3363.490392][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.490392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.490392][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.490392][ T73] netlink_unicast+0x449/0x710 [ 3363.490392][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.490392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.490392][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.490392][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.490392][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.490392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.490392][ T73] [ 3363.492069][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3363.492341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.492341][ T73] dst_init+0x84/0x4a0 [ 3363.492341][ T73] dst_alloc+0x97/0x150 [ 3363.492341][ T73] ip6_dst_alloc+0x23/0x90 [ 3363.492341][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3363.492341][ T73] ip6_pol_route+0x56f/0x840 [ 3363.492341][ T73] fib6_rule_lookup+0x456/0x630 [ 3363.492341][ T73] ip6_route_input+0x59c/0xa50 [ 3363.492341][ T73] ipv6_rcv+0x397/0x810 [ 3363.492341][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3363.492341][ T73] process_backlog+0x101/0x620 [ 3363.492341][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3363.492341][ T73] net_rx_action+0x495/0xbe0 [ 3363.492341][ T73] __do_softirq+0x1b5/0x7f6 [ 3363.492341][ T73] [ 3363.493968][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.493968][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.493968][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.493968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.493968][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3363.493968][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3363.493968][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3363.493968][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3363.493968][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3363.493968][ T73] addrconf_dad_begin+0x310/0x670 [ 3363.493968][ T73] addrconf_dad_work+0x10b/0xab0 [ 3363.493968][ T73] process_one_work+0x84d/0x18a0 [ 3363.493968][ T73] worker_thread+0x587/0xd30 [ 3363.493968][ T73] kthread+0x28a/0x350 [ 3363.493968][ T73] ret_from_fork+0x31/0x70 [ 3363.493968][ T73] ret_from_fork_asm+0x1a/0x30 [ 3363.493968][ T73] [ 3363.495883][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.495883][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.495883][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.495883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.495883][ T73] ip6_route_add+0x1c/0x140 [ 3363.495883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3363.495883][ T73] inet6_addr_add+0x4f8/0xa40 [ 3363.495883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.495883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.495883][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.495883][ T73] netlink_unicast+0x449/0x710 [ 3363.495883][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.495883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.495883][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.495883][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.495883][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.495883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.495883][ T73] [ 3363.497872][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.497872][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.497872][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.497872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.497872][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3363.497872][ T73] ipv6_add_addr+0x411/0x2000 [ 3363.497872][ T73] inet6_addr_add+0x30e/0xa40 [ 3363.497872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.497872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.497872][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.497872][ T73] netlink_unicast+0x449/0x710 [ 3363.497872][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.497872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.497872][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.497872][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.497872][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.497872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.497872][ T73] [ 3363.499854][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.499854][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.499854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.499854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.499854][ T73] ip6_route_add+0x1c/0x140 [ 3363.499854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3363.499854][ T73] addrconf_add_dev+0xe2/0x170 [ 3363.499854][ T73] inet6_addr_add+0x12f/0xa40 [ 3363.499854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.499854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.499854][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.499854][ T73] netlink_unicast+0x449/0x710 [ 3363.499854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.499854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.499854][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.499854][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.499854][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.499854][ T73] [ 3363.501810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.501810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3363.501810][ T73] ipv6_find_idev+0x102/0x170 [ 3363.501810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.501810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.501810][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.501810][ T73] netlink_unicast+0x449/0x710 [ 3363.501810][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.501810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.501810][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.501810][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.501810][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.501810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.501810][ T73] [ 3363.503335][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3363.503335][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3363.503335][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3363.503335][ T73] ipv6_find_idev+0x102/0x170 [ 3363.503335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.503335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.503335][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.503335][ T73] netlink_unicast+0x449/0x710 [ 3363.503335][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.503335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.503335][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.503335][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.503335][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.503335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.503335][ T73] [ 3363.505142][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3363.505416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.505416][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3363.505416][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3363.505416][ T73] fib6_nh_init+0xa22/0x1580 [ 3363.505416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.505416][ T73] ip6_route_add+0x1c/0x140 [ 3363.505416][ T73] inet6_rtm_newroute+0x104/0x110 [ 3363.505416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.505416][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.505416][ T73] netlink_unicast+0x449/0x710 [ 3363.505416][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.505416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.505416][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.505416][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.505416][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.505416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.505416][ T73] [ 3363.507519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.507519][ T73] dst_init+0x84/0x4a0 [ 3363.507519][ T73] dst_alloc+0x97/0x150 [ 3363.507519][ T73] ip6_dst_alloc+0x23/0x90 [ 3363.507519][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3363.507519][ T73] ip6_pol_route+0x56f/0x840 [ 3363.507519][ T73] fib6_rule_lookup+0x456/0x630 [ 3363.507519][ T73] ip6_route_input+0x59c/0xa50 [ 3363.507519][ T73] ipv6_rcv+0x397/0x810 [ 3363.507519][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3363.507519][ T73] process_backlog+0x101/0x620 [ 3363.507519][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3363.507519][ T73] net_rx_action+0x495/0xbe0 [ 3363.507519][ T73] __do_softirq+0x1b5/0x7f6 [ 3363.507519][ T73] [ 3363.509328][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.509328][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.509328][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.509328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.509328][ T73] ip6_route_add+0x1c/0x140 [ 3363.509328][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3363.509328][ T73] inet6_addr_add+0x4f8/0xa40 [ 3363.509328][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.509328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.509328][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.509328][ T73] netlink_unicast+0x449/0x710 [ 3363.509328][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.509328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.509328][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.509328][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.509328][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.509328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.509328][ T73] [ 3363.511555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.511555][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.511555][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.511555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.511555][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3363.511555][ T73] ipv6_add_addr+0x411/0x2000 [ 3363.511555][ T73] inet6_addr_add+0x30e/0xa40 [ 3363.511555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.511555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.511555][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.511555][ T73] netlink_unicast+0x449/0x710 [ 3363.511555][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.511555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.511555][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.511555][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.511555][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.511555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.511555][ T73] [ 3363.513850][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.513850][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.513850][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.513850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.513850][ T73] ip6_route_add+0x1c/0x140 [ 3363.513850][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3363.513850][ T73] addrconf_add_dev+0xe2/0x170 [ 3363.513850][ T73] inet6_addr_add+0x12f/0xa40 [ 3363.513850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.513850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.513850][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.513850][ T73] netlink_unicast+0x449/0x710 [ 3363.513850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.513850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.513850][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.513850][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.513850][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.513850][ T73] [ 3363.516195][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.516195][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3363.516195][ T73] ipv6_find_idev+0x102/0x170 [ 3363.516195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.516195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.516195][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.516195][ T73] netlink_unicast+0x449/0x710 [ 3363.516195][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.516195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.516195][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.516195][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.516195][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.516195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.516195][ T73] [ 3363.517845][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3363.517845][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3363.517845][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3363.517845][ T73] ipv6_find_idev+0x102/0x170 [ 3363.517845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.517845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.517845][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.517845][ T73] netlink_unicast+0x449/0x710 [ 3363.517845][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.517845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.517845][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.517845][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.517845][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.517845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.517845][ T73] [ 3363.519754][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3363.520446][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3363.520446][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.520446][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.520446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.520446][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3363.520446][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3363.520446][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3363.520446][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3363.520446][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3363.520446][ T73] addrconf_dad_begin+0x310/0x670 [ 3363.520446][ T73] addrconf_dad_work+0x10b/0xab0 [ 3363.520446][ T73] process_one_work+0x84d/0x18a0 [ 3363.520446][ T73] worker_thread+0x587/0xd30 [ 3363.520446][ T73] kthread+0x28a/0x350 [ 3363.520446][ T73] ret_from_fork+0x31/0x70 [ 3363.520446][ T73] ret_from_fork_asm+0x1a/0x30 [ 3363.520446][ T73] [ 3363.522333][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3363.522333][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.522333][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.522333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.522333][ T73] ip6_route_add+0x1c/0x140 [ 3363.522333][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3363.522333][ T73] inet6_addr_add+0x4f8/0xa40 [ 3363.522333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.522333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.522333][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.522333][ T73] netlink_unicast+0x449/0x710 [ 3363.522333][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.522333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.522333][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.522333][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.522333][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.522333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.522333][ T73] [ 3363.524428][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3363.524428][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.524428][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.524428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.524428][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3363.524428][ T73] ipv6_add_addr+0x411/0x2000 [ 3363.524428][ T73] inet6_addr_add+0x30e/0xa40 [ 3363.524428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.524428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.524428][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.524428][ T73] netlink_unicast+0x449/0x710 [ 3363.524428][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.524428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.524428][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.524428][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.524428][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.524428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.524428][ T73] [ 3363.526722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3363.526722][ T73] netdev_get_by_index+0x5e/0x80 [ 3363.526722][ T73] fib6_nh_init+0x3d8/0x1580 [ 3363.526722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3363.526722][ T73] ip6_route_add+0x1c/0x140 [ 3363.526722][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3363.526722][ T73] addrconf_add_dev+0xe2/0x170 [ 3363.526722][ T73] inet6_addr_add+0x12f/0xa40 [ 3363.526722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.526722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.526722][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.526722][ T73] netlink_unicast+0x449/0x710 [ 3363.526722][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.526722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.526722][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.526722][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.526722][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.526722][ T73] [ 3363.528837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3363.528837][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3363.528837][ T73] ipv6_find_idev+0x102/0x170 [ 3363.528837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.528837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.528837][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.528837][ T73] netlink_unicast+0x449/0x710 [ 3363.528837][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.528837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.528837][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.528837][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.528837][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.528837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.528837][ T73] [ 3363.530533][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3363.530533][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3363.530533][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3363.530533][ T73] ipv6_find_idev+0x102/0x170 [ 3363.530533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.530533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.530533][ T73] netlink_rcv_skb+0x130/0x360 [ 3363.530533][ T73] netlink_unicast+0x449/0x710 [ 3363.530533][ T73] netlink_sendmsg+0x723/0xbe0 [ 3363.530533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3363.530533][ T73] ___sys_sendmsg+0xee/0x170 [ 3363.530533][ T73] __sys_sendmsg+0xcd/0x170 [ 3363.530533][ T73] do_syscall_64+0xc6/0x1e0 [ 3363.530533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.530533][ T73] [ 3373.782889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3373.783356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.783356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3373.783356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3373.783356][ T73] fib6_nh_init+0xa22/0x1580 [ 3373.783356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.783356][ T73] ip6_route_add+0x1c/0x140 [ 3373.783356][ T73] inet6_rtm_newroute+0x104/0x110 [ 3373.783356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.783356][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.783356][ T73] netlink_unicast+0x449/0x710 [ 3373.783356][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.783356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.783356][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.783356][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.783356][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.783356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.783356][ T73] [ 3373.785264][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.785264][ T73] dst_init+0x84/0x4a0 [ 3373.785264][ T73] dst_alloc+0x97/0x150 [ 3373.785264][ T73] ip6_dst_alloc+0x23/0x90 [ 3373.785264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3373.785264][ T73] ip6_pol_route+0x56f/0x840 [ 3373.785264][ T73] fib6_rule_lookup+0x456/0x630 [ 3373.785264][ T73] ip6_route_input+0x59c/0xa50 [ 3373.785264][ T73] ipv6_rcv+0x397/0x810 [ 3373.785264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3373.785264][ T73] process_backlog+0x101/0x620 [ 3373.785264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3373.785264][ T73] net_rx_action+0x495/0xbe0 [ 3373.785264][ T73] __do_softirq+0x1b5/0x7f6 [ 3373.785264][ T73] [ 3373.786906][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.786906][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.786906][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.786906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.786906][ T73] ip6_route_add+0x1c/0x140 [ 3373.786906][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3373.786906][ T73] inet6_addr_add+0x4f8/0xa40 [ 3373.786906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.786906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.786906][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.786906][ T73] netlink_unicast+0x449/0x710 [ 3373.786906][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.786906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.786906][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.786906][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.786906][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.786906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.786906][ T73] [ 3373.788897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.788897][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.788897][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.788897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.788897][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3373.788897][ T73] ipv6_add_addr+0x411/0x2000 [ 3373.788897][ T73] inet6_addr_add+0x30e/0xa40 [ 3373.788897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.788897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.788897][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.788897][ T73] netlink_unicast+0x449/0x710 [ 3373.788897][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.788897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.788897][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.788897][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.788897][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.788897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.788897][ T73] [ 3373.790904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.790904][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.790904][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.790904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.790904][ T73] ip6_route_add+0x1c/0x140 [ 3373.790904][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3373.790904][ T73] addrconf_add_dev+0xe2/0x170 [ 3373.790904][ T73] inet6_addr_add+0x12f/0xa40 [ 3373.790904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.790904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.790904][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.790904][ T73] netlink_unicast+0x449/0x710 [ 3373.790904][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.790904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.790904][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.790904][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.790904][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.790904][ T73] [ 3373.792870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.792870][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3373.792870][ T73] ipv6_find_idev+0x102/0x170 [ 3373.792870][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.792870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.792870][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.792870][ T73] netlink_unicast+0x449/0x710 [ 3373.792870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.792870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.792870][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.792870][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.792870][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.792870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.792870][ T73] [ 3373.794400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3373.794400][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3373.794400][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3373.794400][ T73] ipv6_find_idev+0x102/0x170 [ 3373.794400][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.794400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.794400][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.794400][ T73] netlink_unicast+0x449/0x710 [ 3373.794400][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.794400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.794400][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.794400][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.794400][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.794400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.794400][ T73] [ 3373.796093][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3373.796359][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.796359][ T73] dst_init+0x84/0x4a0 [ 3373.796359][ T73] dst_alloc+0x97/0x150 [ 3373.796359][ T73] ip6_dst_alloc+0x23/0x90 [ 3373.796359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3373.796359][ T73] ip6_pol_route+0x56f/0x840 [ 3373.796359][ T73] fib6_rule_lookup+0x456/0x630 [ 3373.796359][ T73] ip6_route_input+0x59c/0xa50 [ 3373.796359][ T73] ipv6_rcv+0x397/0x810 [ 3373.796359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3373.796359][ T73] process_backlog+0x101/0x620 [ 3373.796359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3373.796359][ T73] net_rx_action+0x495/0xbe0 [ 3373.796359][ T73] __do_softirq+0x1b5/0x7f6 [ 3373.796359][ T73] [ 3373.797995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.797995][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.797995][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.797995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.797995][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3373.797995][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3373.797995][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3373.797995][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3373.797995][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3373.797995][ T73] addrconf_dad_begin+0x310/0x670 [ 3373.797995][ T73] addrconf_dad_work+0x10b/0xab0 [ 3373.797995][ T73] process_one_work+0x84d/0x18a0 [ 3373.797995][ T73] worker_thread+0x587/0xd30 [ 3373.797995][ T73] kthread+0x28a/0x350 [ 3373.797995][ T73] ret_from_fork+0x31/0x70 [ 3373.797995][ T73] ret_from_fork_asm+0x1a/0x30 [ 3373.797995][ T73] [ 3373.799904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.799904][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.799904][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.799904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.799904][ T73] ip6_route_add+0x1c/0x140 [ 3373.799904][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3373.799904][ T73] inet6_addr_add+0x4f8/0xa40 [ 3373.799904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.799904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.799904][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.799904][ T73] netlink_unicast+0x449/0x710 [ 3373.799904][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.799904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.799904][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.799904][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.799904][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.799904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.799904][ T73] [ 3373.801892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.801892][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.801892][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.801892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.801892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3373.801892][ T73] ipv6_add_addr+0x411/0x2000 [ 3373.801892][ T73] inet6_addr_add+0x30e/0xa40 [ 3373.801892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.801892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.801892][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.801892][ T73] netlink_unicast+0x449/0x710 [ 3373.801892][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.801892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.801892][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.801892][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.801892][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.801892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.801892][ T73] [ 3373.803873][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.803873][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.803873][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.803873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.803873][ T73] ip6_route_add+0x1c/0x140 [ 3373.803873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3373.803873][ T73] addrconf_add_dev+0xe2/0x170 [ 3373.803873][ T73] inet6_addr_add+0x12f/0xa40 [ 3373.803873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.803873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.803873][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.803873][ T73] netlink_unicast+0x449/0x710 [ 3373.803873][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.803873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.803873][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.803873][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.803873][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.803873][ T73] [ 3373.805830][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.805830][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3373.805830][ T73] ipv6_find_idev+0x102/0x170 [ 3373.805830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.805830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.805830][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.805830][ T73] netlink_unicast+0x449/0x710 [ 3373.805830][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.805830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.805830][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.805830][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.805830][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.805830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.805830][ T73] [ 3373.807363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3373.807363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3373.807363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3373.807363][ T73] ipv6_find_idev+0x102/0x170 [ 3373.807363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.807363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.807363][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.807363][ T73] netlink_unicast+0x449/0x710 [ 3373.807363][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.807363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.807363][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.807363][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.807363][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.807363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.807363][ T73] [ 3373.809680][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3373.809961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.809961][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3373.809961][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3373.809961][ T73] fib6_nh_init+0xa22/0x1580 [ 3373.809961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.809961][ T73] ip6_route_add+0x1c/0x140 [ 3373.809961][ T73] inet6_rtm_newroute+0x104/0x110 [ 3373.809961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.809961][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.809961][ T73] netlink_unicast+0x449/0x710 [ 3373.809961][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.809961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.809961][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.809961][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.809961][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.809961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.809961][ T73] [ 3373.812069][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.812069][ T73] dst_init+0x84/0x4a0 [ 3373.812069][ T73] dst_alloc+0x97/0x150 [ 3373.812069][ T73] ip6_dst_alloc+0x23/0x90 [ 3373.812069][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3373.812069][ T73] ip6_pol_route+0x56f/0x840 [ 3373.812069][ T73] fib6_rule_lookup+0x456/0x630 [ 3373.812069][ T73] ip6_route_input+0x59c/0xa50 [ 3373.812069][ T73] ipv6_rcv+0x397/0x810 [ 3373.812069][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3373.812069][ T73] process_backlog+0x101/0x620 [ 3373.812069][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3373.812069][ T73] net_rx_action+0x495/0xbe0 [ 3373.812069][ T73] __do_softirq+0x1b5/0x7f6 [ 3373.812069][ T73] [ 3373.813940][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.813940][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.813940][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.813940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.813940][ T73] ip6_route_add+0x1c/0x140 [ 3373.813940][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3373.813940][ T73] inet6_addr_add+0x4f8/0xa40 [ 3373.813940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.813940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.813940][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.813940][ T73] netlink_unicast+0x449/0x710 [ 3373.813940][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.813940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.813940][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.813940][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.813940][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.813940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.813940][ T73] [ 3373.816581][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.816581][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.816581][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.816581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.816581][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3373.816581][ T73] ipv6_add_addr+0x411/0x2000 [ 3373.816581][ T73] inet6_addr_add+0x30e/0xa40 [ 3373.816581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.816581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.816581][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.816581][ T73] netlink_unicast+0x449/0x710 [ 3373.816581][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.816581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.816581][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.816581][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.816581][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.816581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.816581][ T73] [ 3373.818831][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.818831][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.818831][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.818831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.818831][ T73] ip6_route_add+0x1c/0x140 [ 3373.818831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3373.818831][ T73] addrconf_add_dev+0xe2/0x170 [ 3373.818831][ T73] inet6_addr_add+0x12f/0xa40 [ 3373.818831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.818831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.818831][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.818831][ T73] netlink_unicast+0x449/0x710 [ 3373.818831][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.818831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.818831][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.818831][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.818831][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.818831][ T73] [ 3373.821023][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.821023][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3373.821023][ T73] ipv6_find_idev+0x102/0x170 [ 3373.821023][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.821023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.821023][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.821023][ T73] netlink_unicast+0x449/0x710 [ 3373.821023][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.821023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.821023][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.821023][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.821023][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.821023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.821023][ T73] [ 3373.822678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3373.822678][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3373.822678][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3373.822678][ T73] ipv6_find_idev+0x102/0x170 [ 3373.822678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.822678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.822678][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.822678][ T73] netlink_unicast+0x449/0x710 [ 3373.822678][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.822678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.822678][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.822678][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.822678][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.822678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.822678][ T73] [ 3373.824654][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3373.825364][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3373.825364][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.825364][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.825364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.825364][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3373.825364][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3373.825364][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3373.825364][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3373.825364][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3373.825364][ T73] addrconf_dad_begin+0x310/0x670 [ 3373.825364][ T73] addrconf_dad_work+0x10b/0xab0 [ 3373.825364][ T73] process_one_work+0x84d/0x18a0 [ 3373.825364][ T73] worker_thread+0x587/0xd30 [ 3373.825364][ T73] kthread+0x28a/0x350 [ 3373.825364][ T73] ret_from_fork+0x31/0x70 [ 3373.825364][ T73] ret_from_fork_asm+0x1a/0x30 [ 3373.825364][ T73] [ 3373.827272][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3373.827272][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.827272][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.827272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.827272][ T73] ip6_route_add+0x1c/0x140 [ 3373.827272][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3373.827272][ T73] inet6_addr_add+0x4f8/0xa40 [ 3373.827272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.827272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.827272][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.827272][ T73] netlink_unicast+0x449/0x710 [ 3373.827272][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.827272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.827272][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.827272][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.827272][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.827272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.827272][ T73] [ 3373.829380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3373.829380][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.829380][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.829380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.829380][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3373.829380][ T73] ipv6_add_addr+0x411/0x2000 [ 3373.829380][ T73] inet6_addr_add+0x30e/0xa40 [ 3373.829380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.829380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.829380][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.829380][ T73] netlink_unicast+0x449/0x710 [ 3373.829380][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.829380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.829380][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.829380][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.829380][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.829380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.829380][ T73] [ 3373.831617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3373.831617][ T73] netdev_get_by_index+0x5e/0x80 [ 3373.831617][ T73] fib6_nh_init+0x3d8/0x1580 [ 3373.831617][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3373.831617][ T73] ip6_route_add+0x1c/0x140 [ 3373.831617][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3373.831617][ T73] addrconf_add_dev+0xe2/0x170 [ 3373.831617][ T73] inet6_addr_add+0x12f/0xa40 [ 3373.831617][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.831617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.831617][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.831617][ T73] netlink_unicast+0x449/0x710 [ 3373.831617][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.831617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.831617][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.831617][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.831617][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.831617][ T73] [ 3373.833754][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3373.833754][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3373.833754][ T73] ipv6_find_idev+0x102/0x170 [ 3373.833754][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.833754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.833754][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.833754][ T73] netlink_unicast+0x449/0x710 [ 3373.833754][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.833754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.833754][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.833754][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.833754][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.833754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.833754][ T73] [ 3373.835480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3373.835480][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3373.835480][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3373.835480][ T73] ipv6_find_idev+0x102/0x170 [ 3373.835480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.835480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.835480][ T73] netlink_rcv_skb+0x130/0x360 [ 3373.835480][ T73] netlink_unicast+0x449/0x710 [ 3373.835480][ T73] netlink_sendmsg+0x723/0xbe0 [ 3373.835480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3373.835480][ T73] ___sys_sendmsg+0xee/0x170 [ 3373.835480][ T73] __sys_sendmsg+0xcd/0x170 [ 3373.835480][ T73] do_syscall_64+0xc6/0x1e0 [ 3373.835480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.835480][ T73] [ 3383.846885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3383.847322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.847322][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3383.847322][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3383.847322][ T73] fib6_nh_init+0xa22/0x1580 [ 3383.847322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.847322][ T73] ip6_route_add+0x1c/0x140 [ 3383.847322][ T73] inet6_rtm_newroute+0x104/0x110 [ 3383.847322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.847322][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.847322][ T73] netlink_unicast+0x449/0x710 [ 3383.847322][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.847322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.847322][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.847322][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.847322][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.847322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.847322][ T73] [ 3383.849205][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.849205][ T73] dst_init+0x84/0x4a0 [ 3383.849205][ T73] dst_alloc+0x97/0x150 [ 3383.849205][ T73] ip6_dst_alloc+0x23/0x90 [ 3383.849205][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3383.849205][ T73] ip6_pol_route+0x56f/0x840 [ 3383.849205][ T73] fib6_rule_lookup+0x456/0x630 [ 3383.849205][ T73] ip6_route_input+0x59c/0xa50 [ 3383.849205][ T73] ipv6_rcv+0x397/0x810 [ 3383.849205][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3383.849205][ T73] process_backlog+0x101/0x620 [ 3383.849205][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3383.849205][ T73] net_rx_action+0x495/0xbe0 [ 3383.849205][ T73] __do_softirq+0x1b5/0x7f6 [ 3383.849205][ T73] [ 3383.850834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.850834][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.850834][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.850834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.850834][ T73] ip6_route_add+0x1c/0x140 [ 3383.850834][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3383.850834][ T73] inet6_addr_add+0x4f8/0xa40 [ 3383.850834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.850834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.850834][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.850834][ T73] netlink_unicast+0x449/0x710 [ 3383.850834][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.850834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.850834][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.850834][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.850834][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.850834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.850834][ T73] [ 3383.852820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.852820][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.852820][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.852820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.852820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3383.852820][ T73] ipv6_add_addr+0x411/0x2000 [ 3383.852820][ T73] inet6_addr_add+0x30e/0xa40 [ 3383.852820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.852820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.852820][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.852820][ T73] netlink_unicast+0x449/0x710 [ 3383.852820][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.852820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.852820][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.852820][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.852820][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.852820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.852820][ T73] [ 3383.854808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.854808][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.854808][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.854808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.854808][ T73] ip6_route_add+0x1c/0x140 [ 3383.854808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3383.854808][ T73] addrconf_add_dev+0xe2/0x170 [ 3383.854808][ T73] inet6_addr_add+0x12f/0xa40 [ 3383.854808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.854808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.854808][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.854808][ T73] netlink_unicast+0x449/0x710 [ 3383.854808][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.854808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.854808][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.854808][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.854808][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.854808][ T73] [ 3383.856773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.856773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3383.856773][ T73] ipv6_find_idev+0x102/0x170 [ 3383.856773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.856773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.856773][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.856773][ T73] netlink_unicast+0x449/0x710 [ 3383.856773][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.856773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.856773][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.856773][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.856773][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.856773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.856773][ T73] [ 3383.858301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3383.858301][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3383.858301][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3383.858301][ T73] ipv6_find_idev+0x102/0x170 [ 3383.858301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.858301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.858301][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.858301][ T73] netlink_unicast+0x449/0x710 [ 3383.858301][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.858301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.858301][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.858301][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.858301][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.858301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.858301][ T73] [ 3383.859969][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3383.860239][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.860239][ T73] dst_init+0x84/0x4a0 [ 3383.860239][ T73] dst_alloc+0x97/0x150 [ 3383.860239][ T73] ip6_dst_alloc+0x23/0x90 [ 3383.860239][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3383.860239][ T73] ip6_pol_route+0x56f/0x840 [ 3383.860239][ T73] fib6_rule_lookup+0x456/0x630 [ 3383.860239][ T73] ip6_route_input+0x59c/0xa50 [ 3383.860239][ T73] ipv6_rcv+0x397/0x810 [ 3383.860239][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3383.860239][ T73] process_backlog+0x101/0x620 [ 3383.860239][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3383.860239][ T73] net_rx_action+0x495/0xbe0 [ 3383.860239][ T73] __do_softirq+0x1b5/0x7f6 [ 3383.860239][ T73] [ 3383.861858][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.861858][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.861858][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.861858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.861858][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3383.861858][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3383.861858][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3383.861858][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3383.861858][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3383.861858][ T73] addrconf_dad_begin+0x310/0x670 [ 3383.861858][ T73] addrconf_dad_work+0x10b/0xab0 [ 3383.861858][ T73] process_one_work+0x84d/0x18a0 [ 3383.861858][ T73] worker_thread+0x587/0xd30 [ 3383.861858][ T73] kthread+0x28a/0x350 [ 3383.861858][ T73] ret_from_fork+0x31/0x70 [ 3383.861858][ T73] ret_from_fork_asm+0x1a/0x30 [ 3383.861858][ T73] [ 3383.863744][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.863744][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.863744][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.863744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.863744][ T73] ip6_route_add+0x1c/0x140 [ 3383.863744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3383.863744][ T73] inet6_addr_add+0x4f8/0xa40 [ 3383.863744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.863744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.863744][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.863744][ T73] netlink_unicast+0x449/0x710 [ 3383.863744][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.863744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.863744][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.863744][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.863744][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.863744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.863744][ T73] [ 3383.865725][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.865725][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.865725][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.865725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.865725][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3383.865725][ T73] ipv6_add_addr+0x411/0x2000 [ 3383.865725][ T73] inet6_addr_add+0x30e/0xa40 [ 3383.865725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.865725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.865725][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.865725][ T73] netlink_unicast+0x449/0x710 [ 3383.865725][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.865725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.865725][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.865725][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.865725][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.865725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.865725][ T73] [ 3383.867709][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.867709][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.867709][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.867709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.867709][ T73] ip6_route_add+0x1c/0x140 [ 3383.867709][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3383.867709][ T73] addrconf_add_dev+0xe2/0x170 [ 3383.867709][ T73] inet6_addr_add+0x12f/0xa40 [ 3383.867709][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.867709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.867709][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.867709][ T73] netlink_unicast+0x449/0x710 [ 3383.867709][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.867709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.867709][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.867709][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.867709][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.867709][ T73] [ 3383.869656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.869656][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3383.869656][ T73] ipv6_find_idev+0x102/0x170 [ 3383.869656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.869656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.869656][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.869656][ T73] netlink_unicast+0x449/0x710 [ 3383.869656][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.869656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.869656][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.869656][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.869656][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.869656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.869656][ T73] [ 3383.871178][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3383.871178][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3383.871178][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3383.871178][ T73] ipv6_find_idev+0x102/0x170 [ 3383.871178][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.871178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.871178][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.871178][ T73] netlink_unicast+0x449/0x710 [ 3383.871178][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.871178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.871178][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.871178][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.871178][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.871178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.871178][ T73] [ 3383.872912][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3383.873177][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.873177][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3383.873177][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3383.873177][ T73] fib6_nh_init+0xa22/0x1580 [ 3383.873177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.873177][ T73] ip6_route_add+0x1c/0x140 [ 3383.873177][ T73] inet6_rtm_newroute+0x104/0x110 [ 3383.873177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.873177][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.873177][ T73] netlink_unicast+0x449/0x710 [ 3383.873177][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.873177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.873177][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.873177][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.873177][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.873177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.873177][ T73] [ 3383.875177][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.875177][ T73] dst_init+0x84/0x4a0 [ 3383.875177][ T73] dst_alloc+0x97/0x150 [ 3383.875177][ T73] ip6_dst_alloc+0x23/0x90 [ 3383.875177][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3383.875177][ T73] ip6_pol_route+0x56f/0x840 [ 3383.875177][ T73] fib6_rule_lookup+0x456/0x630 [ 3383.875177][ T73] ip6_route_input+0x59c/0xa50 [ 3383.875177][ T73] ipv6_rcv+0x397/0x810 [ 3383.875177][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3383.875177][ T73] process_backlog+0x101/0x620 [ 3383.875177][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3383.875177][ T73] net_rx_action+0x495/0xbe0 [ 3383.875177][ T73] __do_softirq+0x1b5/0x7f6 [ 3383.875177][ T73] [ 3383.876868][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.876868][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.876868][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.876868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.876868][ T73] ip6_route_add+0x1c/0x140 [ 3383.876868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3383.876868][ T73] inet6_addr_add+0x4f8/0xa40 [ 3383.876868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.876868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.876868][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.876868][ T73] netlink_unicast+0x449/0x710 [ 3383.876868][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.876868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.876868][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.876868][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.876868][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.876868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.876868][ T73] [ 3383.878968][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.878968][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.878968][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.878968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.878968][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3383.878968][ T73] ipv6_add_addr+0x411/0x2000 [ 3383.878968][ T73] inet6_addr_add+0x30e/0xa40 [ 3383.878968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.878968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.878968][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.878968][ T73] netlink_unicast+0x449/0x710 [ 3383.878968][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.878968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.878968][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.878968][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.878968][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.878968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.878968][ T73] [ 3383.881074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.881074][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.881074][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.881074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.881074][ T73] ip6_route_add+0x1c/0x140 [ 3383.881074][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3383.881074][ T73] addrconf_add_dev+0xe2/0x170 [ 3383.881074][ T73] inet6_addr_add+0x12f/0xa40 [ 3383.881074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.881074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.881074][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.881074][ T73] netlink_unicast+0x449/0x710 [ 3383.881074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.881074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.881074][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.881074][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.881074][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.881074][ T73] [ 3383.883142][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.883142][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3383.883142][ T73] ipv6_find_idev+0x102/0x170 [ 3383.883142][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.883142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.883142][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.883142][ T73] netlink_unicast+0x449/0x710 [ 3383.883142][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.883142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.883142][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.883142][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.883142][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.883142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.883142][ T73] [ 3383.884727][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3383.884727][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3383.884727][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3383.884727][ T73] ipv6_find_idev+0x102/0x170 [ 3383.884727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.884727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.884727][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.884727][ T73] netlink_unicast+0x449/0x710 [ 3383.884727][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.884727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.884727][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.884727][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.884727][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.884727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.884727][ T73] [ 3383.886534][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3383.886801][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3383.886801][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.886801][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.886801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.886801][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3383.886801][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3383.886801][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3383.886801][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3383.886801][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3383.886801][ T73] addrconf_dad_begin+0x310/0x670 [ 3383.886801][ T73] addrconf_dad_work+0x10b/0xab0 [ 3383.886801][ T73] process_one_work+0x84d/0x18a0 [ 3383.886801][ T73] worker_thread+0x587/0xd30 [ 3383.886801][ T73] kthread+0x28a/0x350 [ 3383.886801][ T73] ret_from_fork+0x31/0x70 [ 3383.886801][ T73] ret_from_fork_asm+0x1a/0x30 [ 3383.886801][ T73] [ 3383.888826][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3383.888826][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.888826][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.888826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.888826][ T73] ip6_route_add+0x1c/0x140 [ 3383.888826][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3383.888826][ T73] inet6_addr_add+0x4f8/0xa40 [ 3383.888826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.888826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.888826][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.888826][ T73] netlink_unicast+0x449/0x710 [ 3383.888826][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.888826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.888826][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.888826][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.888826][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.888826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.888826][ T73] [ 3383.890927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3383.890927][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.890927][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.890927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.890927][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3383.890927][ T73] ipv6_add_addr+0x411/0x2000 [ 3383.890927][ T73] inet6_addr_add+0x30e/0xa40 [ 3383.890927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.890927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.890927][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.890927][ T73] netlink_unicast+0x449/0x710 [ 3383.890927][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.890927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.890927][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.890927][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.890927][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.890927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.890927][ T73] [ 3383.893036][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3383.893036][ T73] netdev_get_by_index+0x5e/0x80 [ 3383.893036][ T73] fib6_nh_init+0x3d8/0x1580 [ 3383.893036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3383.893036][ T73] ip6_route_add+0x1c/0x140 [ 3383.893036][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3383.893036][ T73] addrconf_add_dev+0xe2/0x170 [ 3383.893036][ T73] inet6_addr_add+0x12f/0xa40 [ 3383.893036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3383.893036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.893036][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.893036][ T73] netlink_unicast+0x449/0x710 [ 3383.893036][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.893036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.893036][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.893036][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.893036][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.893036][ T73] [ 3383.895104][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3383.895104][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3383.895104][ T73] ipv6_find_idev+0x102/0x170 [ 3383.895104][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.895104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.895104][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.895104][ T73] netlink_unicast+0x449/0x710 [ 3383.895104][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.895104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.895104][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.895104][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.895104][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.895104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.895104][ T73] [ 3383.896691][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3383.896691][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3383.896691][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3383.896691][ T73] ipv6_find_idev+0x102/0x170 [ 3383.896691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3383.896691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3383.896691][ T73] netlink_rcv_skb+0x130/0x360 [ 3383.896691][ T73] netlink_unicast+0x449/0x710 [ 3383.896691][ T73] netlink_sendmsg+0x723/0xbe0 [ 3383.896691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3383.896691][ T73] ___sys_sendmsg+0xee/0x170 [ 3383.896691][ T73] __sys_sendmsg+0xcd/0x170 [ 3383.896691][ T73] do_syscall_64+0xc6/0x1e0 [ 3383.896691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3383.896691][ T73] [ 3393.942846][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3393.943235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.943235][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3393.943235][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3393.943235][ T73] fib6_nh_init+0xa22/0x1580 [ 3393.943235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.943235][ T73] ip6_route_add+0x1c/0x140 [ 3393.943235][ T73] inet6_rtm_newroute+0x104/0x110 [ 3393.943235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.943235][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.943235][ T73] netlink_unicast+0x449/0x710 [ 3393.943235][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.943235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.943235][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.943235][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.943235][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.943235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.943235][ T73] [ 3393.945151][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.945151][ T73] dst_init+0x84/0x4a0 [ 3393.945151][ T73] dst_alloc+0x97/0x150 [ 3393.945151][ T73] ip6_dst_alloc+0x23/0x90 [ 3393.945151][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3393.945151][ T73] ip6_pol_route+0x56f/0x840 [ 3393.945151][ T73] fib6_rule_lookup+0x456/0x630 [ 3393.945151][ T73] ip6_route_input+0x59c/0xa50 [ 3393.945151][ T73] ipv6_rcv+0x397/0x810 [ 3393.945151][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3393.945151][ T73] process_backlog+0x101/0x620 [ 3393.945151][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3393.945151][ T73] net_rx_action+0x495/0xbe0 [ 3393.945151][ T73] __do_softirq+0x1b5/0x7f6 [ 3393.945151][ T73] [ 3393.946802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.946802][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.946802][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.946802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.946802][ T73] ip6_route_add+0x1c/0x140 [ 3393.946802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3393.946802][ T73] inet6_addr_add+0x4f8/0xa40 [ 3393.946802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.946802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.946802][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.946802][ T73] netlink_unicast+0x449/0x710 [ 3393.946802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.946802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.946802][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.946802][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.946802][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.946802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.946802][ T73] [ 3393.948796][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.948796][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.948796][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.948796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.948796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3393.948796][ T73] ipv6_add_addr+0x411/0x2000 [ 3393.948796][ T73] inet6_addr_add+0x30e/0xa40 [ 3393.948796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.948796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.948796][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.948796][ T73] netlink_unicast+0x449/0x710 [ 3393.948796][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.948796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.948796][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.948796][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.948796][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.948796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.948796][ T73] [ 3393.950793][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.950793][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.950793][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.950793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.950793][ T73] ip6_route_add+0x1c/0x140 [ 3393.950793][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3393.950793][ T73] addrconf_add_dev+0xe2/0x170 [ 3393.950793][ T73] inet6_addr_add+0x12f/0xa40 [ 3393.950793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.950793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.950793][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.950793][ T73] netlink_unicast+0x449/0x710 [ 3393.950793][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.950793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.950793][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.950793][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.950793][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.950793][ T73] [ 3393.952748][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.952748][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3393.952748][ T73] ipv6_find_idev+0x102/0x170 [ 3393.952748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.952748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.952748][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.952748][ T73] netlink_unicast+0x449/0x710 [ 3393.952748][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.952748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.952748][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.952748][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.952748][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.952748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.952748][ T73] [ 3393.954280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3393.954280][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3393.954280][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3393.954280][ T73] ipv6_find_idev+0x102/0x170 [ 3393.954280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.954280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.954280][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.954280][ T73] netlink_unicast+0x449/0x710 [ 3393.954280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.954280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.954280][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.954280][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.954280][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.954280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.954280][ T73] [ 3393.956000][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3393.956270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.956270][ T73] dst_init+0x84/0x4a0 [ 3393.956270][ T73] dst_alloc+0x97/0x150 [ 3393.956270][ T73] ip6_dst_alloc+0x23/0x90 [ 3393.956270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3393.956270][ T73] ip6_pol_route+0x56f/0x840 [ 3393.956270][ T73] fib6_rule_lookup+0x456/0x630 [ 3393.956270][ T73] ip6_route_input+0x59c/0xa50 [ 3393.956270][ T73] ipv6_rcv+0x397/0x810 [ 3393.956270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3393.956270][ T73] process_backlog+0x101/0x620 [ 3393.956270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3393.956270][ T73] net_rx_action+0x495/0xbe0 [ 3393.956270][ T73] __do_softirq+0x1b5/0x7f6 [ 3393.956270][ T73] [ 3393.957909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.957909][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.957909][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.957909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.957909][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3393.957909][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3393.957909][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3393.957909][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3393.957909][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3393.957909][ T73] addrconf_dad_begin+0x310/0x670 [ 3393.957909][ T73] addrconf_dad_work+0x10b/0xab0 [ 3393.957909][ T73] process_one_work+0x84d/0x18a0 [ 3393.957909][ T73] worker_thread+0x587/0xd30 [ 3393.957909][ T73] kthread+0x28a/0x350 [ 3393.957909][ T73] ret_from_fork+0x31/0x70 [ 3393.957909][ T73] ret_from_fork_asm+0x1a/0x30 [ 3393.957909][ T73] [ 3393.959815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.959815][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.959815][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.959815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.959815][ T73] ip6_route_add+0x1c/0x140 [ 3393.959815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3393.959815][ T73] inet6_addr_add+0x4f8/0xa40 [ 3393.959815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.959815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.959815][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.959815][ T73] netlink_unicast+0x449/0x710 [ 3393.959815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.959815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.959815][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.959815][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.959815][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.959815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.959815][ T73] [ 3393.961803][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.961803][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.961803][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.961803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.961803][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3393.961803][ T73] ipv6_add_addr+0x411/0x2000 [ 3393.961803][ T73] inet6_addr_add+0x30e/0xa40 [ 3393.961803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.961803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.961803][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.961803][ T73] netlink_unicast+0x449/0x710 [ 3393.961803][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.961803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.961803][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.961803][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.961803][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.961803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.961803][ T73] [ 3393.963791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.963791][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.963791][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.963791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.963791][ T73] ip6_route_add+0x1c/0x140 [ 3393.963791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3393.963791][ T73] addrconf_add_dev+0xe2/0x170 [ 3393.963791][ T73] inet6_addr_add+0x12f/0xa40 [ 3393.963791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.963791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.963791][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.963791][ T73] netlink_unicast+0x449/0x710 [ 3393.963791][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.963791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.963791][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.963791][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.963791][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.963791][ T73] [ 3393.965769][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.965769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3393.965769][ T73] ipv6_find_idev+0x102/0x170 [ 3393.965769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.965769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.965769][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.965769][ T73] netlink_unicast+0x449/0x710 [ 3393.965769][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.965769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.965769][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.965769][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.965769][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.965769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.965769][ T73] [ 3393.967304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3393.967304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3393.967304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3393.967304][ T73] ipv6_find_idev+0x102/0x170 [ 3393.967304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.967304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.967304][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.967304][ T73] netlink_unicast+0x449/0x710 [ 3393.967304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.967304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.967304][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.967304][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.967304][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.967304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.967304][ T73] [ 3393.969058][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3393.969339][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.969339][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3393.969339][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3393.969339][ T73] fib6_nh_init+0xa22/0x1580 [ 3393.969339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.969339][ T73] ip6_route_add+0x1c/0x140 [ 3393.969339][ T73] inet6_rtm_newroute+0x104/0x110 [ 3393.969339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.969339][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.969339][ T73] netlink_unicast+0x449/0x710 [ 3393.969339][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.969339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.969339][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.969339][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.969339][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.969339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.969339][ T73] [ 3393.971331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.971331][ T73] dst_init+0x84/0x4a0 [ 3393.971331][ T73] dst_alloc+0x97/0x150 [ 3393.971331][ T73] ip6_dst_alloc+0x23/0x90 [ 3393.971331][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3393.971331][ T73] ip6_pol_route+0x56f/0x840 [ 3393.971331][ T73] fib6_rule_lookup+0x456/0x630 [ 3393.971331][ T73] ip6_route_input+0x59c/0xa50 [ 3393.971331][ T73] ipv6_rcv+0x397/0x810 [ 3393.971331][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3393.971331][ T73] process_backlog+0x101/0x620 [ 3393.971331][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3393.971331][ T73] net_rx_action+0x495/0xbe0 [ 3393.971331][ T73] __do_softirq+0x1b5/0x7f6 [ 3393.971331][ T73] [ 3393.973083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.973083][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.973083][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.973083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.973083][ T73] ip6_route_add+0x1c/0x140 [ 3393.973083][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3393.973083][ T73] inet6_addr_add+0x4f8/0xa40 [ 3393.973083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.973083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.973083][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.973083][ T73] netlink_unicast+0x449/0x710 [ 3393.973083][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.973083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.973083][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.973083][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.973083][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.973083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.973083][ T73] [ 3393.975204][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.975204][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.975204][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.975204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.975204][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3393.975204][ T73] ipv6_add_addr+0x411/0x2000 [ 3393.975204][ T73] inet6_addr_add+0x30e/0xa40 [ 3393.975204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.975204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.975204][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.975204][ T73] netlink_unicast+0x449/0x710 [ 3393.975204][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.975204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.975204][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.975204][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.975204][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.975204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.975204][ T73] [ 3393.977319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.977319][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.977319][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.977319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.977319][ T73] ip6_route_add+0x1c/0x140 [ 3393.977319][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3393.977319][ T73] addrconf_add_dev+0xe2/0x170 [ 3393.977319][ T73] inet6_addr_add+0x12f/0xa40 [ 3393.977319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.977319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.977319][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.977319][ T73] netlink_unicast+0x449/0x710 [ 3393.977319][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.977319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.977319][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.977319][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.977319][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.977319][ T73] [ 3393.979418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.979418][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3393.979418][ T73] ipv6_find_idev+0x102/0x170 [ 3393.979418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.979418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.979418][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.979418][ T73] netlink_unicast+0x449/0x710 [ 3393.979418][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.979418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.979418][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.979418][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.979418][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.979418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.979418][ T73] [ 3393.981016][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3393.981016][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3393.981016][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3393.981016][ T73] ipv6_find_idev+0x102/0x170 [ 3393.981016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.981016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.981016][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.981016][ T73] netlink_unicast+0x449/0x710 [ 3393.981016][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.981016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.981016][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.981016][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.981016][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.981016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.981016][ T73] [ 3393.982829][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3393.983099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3393.983099][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.983099][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.983099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.983099][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3393.983099][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3393.983099][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3393.983099][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3393.983099][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3393.983099][ T73] addrconf_dad_begin+0x310/0x670 [ 3393.983099][ T73] addrconf_dad_work+0x10b/0xab0 [ 3393.983099][ T73] process_one_work+0x84d/0x18a0 [ 3393.983099][ T73] worker_thread+0x587/0xd30 [ 3393.983099][ T73] kthread+0x28a/0x350 [ 3393.983099][ T73] ret_from_fork+0x31/0x70 [ 3393.983099][ T73] ret_from_fork_asm+0x1a/0x30 [ 3393.983099][ T73] [ 3393.985142][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3393.985142][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.985142][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.985142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.985142][ T73] ip6_route_add+0x1c/0x140 [ 3393.985142][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3393.985142][ T73] inet6_addr_add+0x4f8/0xa40 [ 3393.985142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.985142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.985142][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.985142][ T73] netlink_unicast+0x449/0x710 [ 3393.985142][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.985142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.985142][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.985142][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.985142][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.985142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.985142][ T73] [ 3393.987259][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3393.987259][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.987259][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.987259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.987259][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3393.987259][ T73] ipv6_add_addr+0x411/0x2000 [ 3393.987259][ T73] inet6_addr_add+0x30e/0xa40 [ 3393.987259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.987259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.987259][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.987259][ T73] netlink_unicast+0x449/0x710 [ 3393.987259][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.987259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.987259][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.987259][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.987259][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.987259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.987259][ T73] [ 3393.989303][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3393.989303][ T73] netdev_get_by_index+0x5e/0x80 [ 3393.989303][ T73] fib6_nh_init+0x3d8/0x1580 [ 3393.989303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3393.989303][ T73] ip6_route_add+0x1c/0x140 [ 3393.989303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3393.989303][ T73] addrconf_add_dev+0xe2/0x170 [ 3393.989303][ T73] inet6_addr_add+0x12f/0xa40 [ 3393.989303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3393.989303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.989303][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.989303][ T73] netlink_unicast+0x449/0x710 [ 3393.989303][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.989303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.989303][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.989303][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.989303][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.989303][ T73] [ 3393.991510][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3393.991510][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3393.991510][ T73] ipv6_find_idev+0x102/0x170 [ 3393.991510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.991510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.991510][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.991510][ T73] netlink_unicast+0x449/0x710 [ 3393.991510][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.991510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.991510][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.991510][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.991510][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.991510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.991510][ T73] [ 3393.993166][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3393.993166][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3393.993166][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3393.993166][ T73] ipv6_find_idev+0x102/0x170 [ 3393.993166][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3393.993166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3393.993166][ T73] netlink_rcv_skb+0x130/0x360 [ 3393.993166][ T73] netlink_unicast+0x449/0x710 [ 3393.993166][ T73] netlink_sendmsg+0x723/0xbe0 [ 3393.993166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3393.993166][ T73] ___sys_sendmsg+0xee/0x170 [ 3393.993166][ T73] __sys_sendmsg+0xcd/0x170 [ 3393.993166][ T73] do_syscall_64+0xc6/0x1e0 [ 3393.993166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3393.993166][ T73] [ 3404.118884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3404.119342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.119342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3404.119342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3404.119342][ T73] fib6_nh_init+0xa22/0x1580 [ 3404.119342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.119342][ T73] ip6_route_add+0x1c/0x140 [ 3404.119342][ T73] inet6_rtm_newroute+0x104/0x110 [ 3404.119342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.119342][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.119342][ T73] netlink_unicast+0x449/0x710 [ 3404.119342][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.119342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.119342][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.119342][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.119342][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.119342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.119342][ T73] [ 3404.121273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.121273][ T73] dst_init+0x84/0x4a0 [ 3404.121273][ T73] dst_alloc+0x97/0x150 [ 3404.121273][ T73] ip6_dst_alloc+0x23/0x90 [ 3404.121273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3404.121273][ T73] ip6_pol_route+0x56f/0x840 [ 3404.121273][ T73] fib6_rule_lookup+0x456/0x630 [ 3404.121273][ T73] ip6_route_input+0x59c/0xa50 [ 3404.121273][ T73] ipv6_rcv+0x397/0x810 [ 3404.121273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3404.121273][ T73] process_backlog+0x101/0x620 [ 3404.121273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3404.121273][ T73] net_rx_action+0x495/0xbe0 [ 3404.121273][ T73] __do_softirq+0x1b5/0x7f6 [ 3404.121273][ T73] [ 3404.122927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.122927][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.122927][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.122927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.122927][ T73] ip6_route_add+0x1c/0x140 [ 3404.122927][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3404.122927][ T73] inet6_addr_add+0x4f8/0xa40 [ 3404.122927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.122927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.122927][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.122927][ T73] netlink_unicast+0x449/0x710 [ 3404.122927][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.122927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.122927][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.122927][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.122927][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.122927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.122927][ T73] [ 3404.124945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.124945][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.124945][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.124945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.124945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3404.124945][ T73] ipv6_add_addr+0x411/0x2000 [ 3404.124945][ T73] inet6_addr_add+0x30e/0xa40 [ 3404.124945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.124945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.124945][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.124945][ T73] netlink_unicast+0x449/0x710 [ 3404.124945][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.124945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.124945][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.124945][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.124945][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.124945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.124945][ T73] [ 3404.126958][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.126958][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.126958][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.126958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.126958][ T73] ip6_route_add+0x1c/0x140 [ 3404.126958][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3404.126958][ T73] addrconf_add_dev+0xe2/0x170 [ 3404.126958][ T73] inet6_addr_add+0x12f/0xa40 [ 3404.126958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.126958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.126958][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.126958][ T73] netlink_unicast+0x449/0x710 [ 3404.126958][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.126958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.126958][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.126958][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.126958][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.126958][ T73] [ 3404.128935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.128935][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3404.128935][ T73] ipv6_find_idev+0x102/0x170 [ 3404.128935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.128935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.128935][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.128935][ T73] netlink_unicast+0x449/0x710 [ 3404.128935][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.128935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.128935][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.128935][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.128935][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.128935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.128935][ T73] [ 3404.130490][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3404.130490][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3404.130490][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3404.130490][ T73] ipv6_find_idev+0x102/0x170 [ 3404.130490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.130490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.130490][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.130490][ T73] netlink_unicast+0x449/0x710 [ 3404.130490][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.130490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.130490][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.130490][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.130490][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.130490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.130490][ T73] [ 3404.132201][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3404.132470][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.132470][ T73] dst_init+0x84/0x4a0 [ 3404.132470][ T73] dst_alloc+0x97/0x150 [ 3404.132470][ T73] ip6_dst_alloc+0x23/0x90 [ 3404.132470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3404.132470][ T73] ip6_pol_route+0x56f/0x840 [ 3404.132470][ T73] fib6_rule_lookup+0x456/0x630 [ 3404.132470][ T73] ip6_route_input+0x59c/0xa50 [ 3404.132470][ T73] ipv6_rcv+0x397/0x810 [ 3404.132470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3404.132470][ T73] process_backlog+0x101/0x620 [ 3404.132470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3404.132470][ T73] net_rx_action+0x495/0xbe0 [ 3404.132470][ T73] __do_softirq+0x1b5/0x7f6 [ 3404.132470][ T73] [ 3404.134134][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.134134][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.134134][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.134134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.134134][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3404.134134][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3404.134134][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3404.134134][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3404.134134][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3404.134134][ T73] addrconf_dad_begin+0x310/0x670 [ 3404.134134][ T73] addrconf_dad_work+0x10b/0xab0 [ 3404.134134][ T73] process_one_work+0x84d/0x18a0 [ 3404.134134][ T73] worker_thread+0x587/0xd30 [ 3404.134134][ T73] kthread+0x28a/0x350 [ 3404.134134][ T73] ret_from_fork+0x31/0x70 [ 3404.134134][ T73] ret_from_fork_asm+0x1a/0x30 [ 3404.134134][ T73] [ 3404.136060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.136060][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.136060][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.136060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.136060][ T73] ip6_route_add+0x1c/0x140 [ 3404.136060][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3404.136060][ T73] inet6_addr_add+0x4f8/0xa40 [ 3404.136060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.136060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.136060][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.136060][ T73] netlink_unicast+0x449/0x710 [ 3404.136060][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.136060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.136060][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.136060][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.136060][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.136060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.136060][ T73] [ 3404.138072][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.138072][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.138072][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.138072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.138072][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3404.138072][ T73] ipv6_add_addr+0x411/0x2000 [ 3404.138072][ T73] inet6_addr_add+0x30e/0xa40 [ 3404.138072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.138072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.138072][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.138072][ T73] netlink_unicast+0x449/0x710 [ 3404.138072][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.138072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.138072][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.138072][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.138072][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.138072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.138072][ T73] [ 3404.140088][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.140088][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.140088][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.140088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.140088][ T73] ip6_route_add+0x1c/0x140 [ 3404.140088][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3404.140088][ T73] addrconf_add_dev+0xe2/0x170 [ 3404.140088][ T73] inet6_addr_add+0x12f/0xa40 [ 3404.140088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.140088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.140088][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.140088][ T73] netlink_unicast+0x449/0x710 [ 3404.140088][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.140088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.140088][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.140088][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.140088][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.140088][ T73] [ 3404.142078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.142078][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3404.142078][ T73] ipv6_find_idev+0x102/0x170 [ 3404.142078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.142078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.142078][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.142078][ T73] netlink_unicast+0x449/0x710 [ 3404.142078][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.142078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.142078][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.142078][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.142078][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.142078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.142078][ T73] [ 3404.143629][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3404.143629][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3404.143629][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3404.143629][ T73] ipv6_find_idev+0x102/0x170 [ 3404.143629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.143629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.143629][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.143629][ T73] netlink_unicast+0x449/0x710 [ 3404.143629][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.143629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.143629][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.143629][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.143629][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.143629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.143629][ T73] [ 3404.145459][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3404.145732][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.145732][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3404.145732][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3404.145732][ T73] fib6_nh_init+0xa22/0x1580 [ 3404.145732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.145732][ T73] ip6_route_add+0x1c/0x140 [ 3404.145732][ T73] inet6_rtm_newroute+0x104/0x110 [ 3404.145732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.145732][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.145732][ T73] netlink_unicast+0x449/0x710 [ 3404.145732][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.145732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.145732][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.145732][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.145732][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.145732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.145732][ T73] [ 3404.147866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.147866][ T73] dst_init+0x84/0x4a0 [ 3404.147866][ T73] dst_alloc+0x97/0x150 [ 3404.147866][ T73] ip6_dst_alloc+0x23/0x90 [ 3404.147866][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3404.147866][ T73] ip6_pol_route+0x56f/0x840 [ 3404.147866][ T73] fib6_rule_lookup+0x456/0x630 [ 3404.147866][ T73] ip6_route_input+0x59c/0xa50 [ 3404.147866][ T73] ipv6_rcv+0x397/0x810 [ 3404.147866][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3404.147866][ T73] process_backlog+0x101/0x620 [ 3404.147866][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3404.147866][ T73] net_rx_action+0x495/0xbe0 [ 3404.147866][ T73] __do_softirq+0x1b5/0x7f6 [ 3404.147866][ T73] [ 3404.149687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.149687][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.149687][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.149687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.149687][ T73] ip6_route_add+0x1c/0x140 [ 3404.149687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3404.149687][ T73] inet6_addr_add+0x4f8/0xa40 [ 3404.149687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.149687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.149687][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.149687][ T73] netlink_unicast+0x449/0x710 [ 3404.149687][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.149687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.149687][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.149687][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.149687][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.149687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.149687][ T73] [ 3404.151952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.151952][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.151952][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.151952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.151952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3404.151952][ T73] ipv6_add_addr+0x411/0x2000 [ 3404.151952][ T73] inet6_addr_add+0x30e/0xa40 [ 3404.151952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.151952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.151952][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.151952][ T73] netlink_unicast+0x449/0x710 [ 3404.151952][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.151952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.151952][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.151952][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.151952][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.151952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.151952][ T73] [ 3404.154264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.154264][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.154264][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.154264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.154264][ T73] ip6_route_add+0x1c/0x140 [ 3404.154264][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3404.154264][ T73] addrconf_add_dev+0xe2/0x170 [ 3404.154264][ T73] inet6_addr_add+0x12f/0xa40 [ 3404.154264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.154264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.154264][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.154264][ T73] netlink_unicast+0x449/0x710 [ 3404.154264][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.154264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.154264][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.154264][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.154264][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.154264][ T73] [ 3404.156425][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.156425][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3404.156425][ T73] ipv6_find_idev+0x102/0x170 [ 3404.156425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.156425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.156425][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.156425][ T73] netlink_unicast+0x449/0x710 [ 3404.156425][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.156425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.156425][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.156425][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.156425][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.156425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.156425][ T73] [ 3404.158152][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3404.158152][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3404.158152][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3404.158152][ T73] ipv6_find_idev+0x102/0x170 [ 3404.158152][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.158152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.158152][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.158152][ T73] netlink_unicast+0x449/0x710 [ 3404.158152][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.158152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.158152][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.158152][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.158152][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.158152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.158152][ T73] [ 3404.160087][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3404.160360][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3404.160360][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.160360][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.160360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.160360][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3404.160360][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3404.160360][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3404.160360][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3404.160360][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3404.160360][ T73] addrconf_dad_begin+0x310/0x670 [ 3404.160360][ T73] addrconf_dad_work+0x10b/0xab0 [ 3404.160360][ T73] process_one_work+0x84d/0x18a0 [ 3404.160360][ T73] worker_thread+0x587/0xd30 [ 3404.160360][ T73] kthread+0x28a/0x350 [ 3404.160360][ T73] ret_from_fork+0x31/0x70 [ 3404.160360][ T73] ret_from_fork_asm+0x1a/0x30 [ 3404.160360][ T73] [ 3404.162584][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3404.162584][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.162584][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.162584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.162584][ T73] ip6_route_add+0x1c/0x140 [ 3404.162584][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3404.162584][ T73] inet6_addr_add+0x4f8/0xa40 [ 3404.162584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.162584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.162584][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.162584][ T73] netlink_unicast+0x449/0x710 [ 3404.162584][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.162584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.162584][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.162584][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.162584][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.162584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.162584][ T73] [ 3404.164903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3404.164903][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.164903][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.164903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.164903][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3404.164903][ T73] ipv6_add_addr+0x411/0x2000 [ 3404.164903][ T73] inet6_addr_add+0x30e/0xa40 [ 3404.164903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.164903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.164903][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.164903][ T73] netlink_unicast+0x449/0x710 [ 3404.164903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.164903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.164903][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.164903][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.164903][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.164903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.164903][ T73] [ 3404.167163][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3404.167163][ T73] netdev_get_by_index+0x5e/0x80 [ 3404.167163][ T73] fib6_nh_init+0x3d8/0x1580 [ 3404.167163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3404.167163][ T73] ip6_route_add+0x1c/0x140 [ 3404.167163][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3404.167163][ T73] addrconf_add_dev+0xe2/0x170 [ 3404.167163][ T73] inet6_addr_add+0x12f/0xa40 [ 3404.167163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.167163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.167163][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.167163][ T73] netlink_unicast+0x449/0x710 [ 3404.167163][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.167163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.167163][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.167163][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.167163][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.167163][ T73] [ 3404.169387][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3404.169387][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3404.169387][ T73] ipv6_find_idev+0x102/0x170 [ 3404.169387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.169387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.169387][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.169387][ T73] netlink_unicast+0x449/0x710 [ 3404.169387][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.169387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.169387][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.169387][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.169387][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.169387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.169387][ T73] [ 3404.171111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3404.171111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3404.171111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3404.171111][ T73] ipv6_find_idev+0x102/0x170 [ 3404.171111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.171111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.171111][ T73] netlink_rcv_skb+0x130/0x360 [ 3404.171111][ T73] netlink_unicast+0x449/0x710 [ 3404.171111][ T73] netlink_sendmsg+0x723/0xbe0 [ 3404.171111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3404.171111][ T73] ___sys_sendmsg+0xee/0x170 [ 3404.171111][ T73] __sys_sendmsg+0xcd/0x170 [ 3404.171111][ T73] do_syscall_64+0xc6/0x1e0 [ 3404.171111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.171111][ T73] [ 3414.414878][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3414.415336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.415336][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3414.415336][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3414.415336][ T73] fib6_nh_init+0xa22/0x1580 [ 3414.415336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.415336][ T73] ip6_route_add+0x1c/0x140 [ 3414.415336][ T73] inet6_rtm_newroute+0x104/0x110 [ 3414.415336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.415336][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.415336][ T73] netlink_unicast+0x449/0x710 [ 3414.415336][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.415336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.415336][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.415336][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.415336][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.415336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.415336][ T73] [ 3414.417239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.417239][ T73] dst_init+0x84/0x4a0 [ 3414.417239][ T73] dst_alloc+0x97/0x150 [ 3414.417239][ T73] ip6_dst_alloc+0x23/0x90 [ 3414.417239][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3414.417239][ T73] ip6_pol_route+0x56f/0x840 [ 3414.417239][ T73] fib6_rule_lookup+0x456/0x630 [ 3414.417239][ T73] ip6_route_input+0x59c/0xa50 [ 3414.417239][ T73] ipv6_rcv+0x397/0x810 [ 3414.417239][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3414.417239][ T73] process_backlog+0x101/0x620 [ 3414.417239][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3414.417239][ T73] net_rx_action+0x495/0xbe0 [ 3414.417239][ T73] __do_softirq+0x1b5/0x7f6 [ 3414.417239][ T73] [ 3414.418897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.418897][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.418897][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.418897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.418897][ T73] ip6_route_add+0x1c/0x140 [ 3414.418897][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3414.418897][ T73] inet6_addr_add+0x4f8/0xa40 [ 3414.418897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.418897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.418897][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.418897][ T73] netlink_unicast+0x449/0x710 [ 3414.418897][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.418897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.418897][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.418897][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.418897][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.418897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.418897][ T73] [ 3414.420918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.420918][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.420918][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.420918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.420918][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3414.420918][ T73] ipv6_add_addr+0x411/0x2000 [ 3414.420918][ T73] inet6_addr_add+0x30e/0xa40 [ 3414.420918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.420918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.420918][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.420918][ T73] netlink_unicast+0x449/0x710 [ 3414.420918][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.420918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.420918][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.420918][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.420918][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.420918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.420918][ T73] [ 3414.422936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.422936][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.422936][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.422936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.422936][ T73] ip6_route_add+0x1c/0x140 [ 3414.422936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3414.422936][ T73] addrconf_add_dev+0xe2/0x170 [ 3414.422936][ T73] inet6_addr_add+0x12f/0xa40 [ 3414.422936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.422936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.422936][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.422936][ T73] netlink_unicast+0x449/0x710 [ 3414.422936][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.422936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.422936][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.422936][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.422936][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.422936][ T73] [ 3414.424932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.424932][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3414.424932][ T73] ipv6_find_idev+0x102/0x170 [ 3414.424932][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.424932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.424932][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.424932][ T73] netlink_unicast+0x449/0x710 [ 3414.424932][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.424932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.424932][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.424932][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.424932][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.424932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.424932][ T73] [ 3414.426484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3414.426484][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3414.426484][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3414.426484][ T73] ipv6_find_idev+0x102/0x170 [ 3414.426484][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.426484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.426484][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.426484][ T73] netlink_unicast+0x449/0x710 [ 3414.426484][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.426484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.426484][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.426484][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.426484][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.426484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.426484][ T73] [ 3414.428190][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3414.428459][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.428459][ T73] dst_init+0x84/0x4a0 [ 3414.428459][ T73] dst_alloc+0x97/0x150 [ 3414.428459][ T73] ip6_dst_alloc+0x23/0x90 [ 3414.428459][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3414.428459][ T73] ip6_pol_route+0x56f/0x840 [ 3414.428459][ T73] fib6_rule_lookup+0x456/0x630 [ 3414.428459][ T73] ip6_route_input+0x59c/0xa50 [ 3414.428459][ T73] ipv6_rcv+0x397/0x810 [ 3414.428459][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3414.428459][ T73] process_backlog+0x101/0x620 [ 3414.428459][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3414.428459][ T73] net_rx_action+0x495/0xbe0 [ 3414.428459][ T73] __do_softirq+0x1b5/0x7f6 [ 3414.428459][ T73] [ 3414.430108][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.430108][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.430108][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.430108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.430108][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3414.430108][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3414.430108][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3414.430108][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3414.430108][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3414.430108][ T73] addrconf_dad_begin+0x310/0x670 [ 3414.430108][ T73] addrconf_dad_work+0x10b/0xab0 [ 3414.430108][ T73] process_one_work+0x84d/0x18a0 [ 3414.430108][ T73] worker_thread+0x587/0xd30 [ 3414.430108][ T73] kthread+0x28a/0x350 [ 3414.430108][ T73] ret_from_fork+0x31/0x70 [ 3414.430108][ T73] ret_from_fork_asm+0x1a/0x30 [ 3414.430108][ T73] [ 3414.432027][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.432027][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.432027][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.432027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.432027][ T73] ip6_route_add+0x1c/0x140 [ 3414.432027][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3414.432027][ T73] inet6_addr_add+0x4f8/0xa40 [ 3414.432027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.432027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.432027][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.432027][ T73] netlink_unicast+0x449/0x710 [ 3414.432027][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.432027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.432027][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.432027][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.432027][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.432027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.432027][ T73] [ 3414.434049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.434049][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.434049][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.434049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.434049][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3414.434049][ T73] ipv6_add_addr+0x411/0x2000 [ 3414.434049][ T73] inet6_addr_add+0x30e/0xa40 [ 3414.434049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.434049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.434049][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.434049][ T73] netlink_unicast+0x449/0x710 [ 3414.434049][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.434049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.434049][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.434049][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.434049][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.434049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.434049][ T73] [ 3414.436074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.436074][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.436074][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.436074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.436074][ T73] ip6_route_add+0x1c/0x140 [ 3414.436074][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3414.436074][ T73] addrconf_add_dev+0xe2/0x170 [ 3414.436074][ T73] inet6_addr_add+0x12f/0xa40 [ 3414.436074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.436074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.436074][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.436074][ T73] netlink_unicast+0x449/0x710 [ 3414.436074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.436074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.436074][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.436074][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.436074][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.436074][ T73] [ 3414.438049][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.438049][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3414.438049][ T73] ipv6_find_idev+0x102/0x170 [ 3414.438049][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.438049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.438049][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.438049][ T73] netlink_unicast+0x449/0x710 [ 3414.438049][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.438049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.438049][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.438049][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.438049][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.438049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.438049][ T73] [ 3414.439598][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3414.439598][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3414.439598][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3414.439598][ T73] ipv6_find_idev+0x102/0x170 [ 3414.439598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.439598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.439598][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.439598][ T73] netlink_unicast+0x449/0x710 [ 3414.439598][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.439598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.439598][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.439598][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.439598][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.439598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.439598][ T73] [ 3414.441427][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3414.441703][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.441703][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3414.441703][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3414.441703][ T73] fib6_nh_init+0xa22/0x1580 [ 3414.441703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.441703][ T73] ip6_route_add+0x1c/0x140 [ 3414.441703][ T73] inet6_rtm_newroute+0x104/0x110 [ 3414.441703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.441703][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.441703][ T73] netlink_unicast+0x449/0x710 [ 3414.441703][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.441703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.441703][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.441703][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.441703][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.441703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.441703][ T73] [ 3414.443905][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.443905][ T73] dst_init+0x84/0x4a0 [ 3414.443905][ T73] dst_alloc+0x97/0x150 [ 3414.443905][ T73] ip6_dst_alloc+0x23/0x90 [ 3414.443905][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3414.443905][ T73] ip6_pol_route+0x56f/0x840 [ 3414.443905][ T73] fib6_rule_lookup+0x456/0x630 [ 3414.443905][ T73] ip6_route_input+0x59c/0xa50 [ 3414.443905][ T73] ipv6_rcv+0x397/0x810 [ 3414.443905][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3414.443905][ T73] process_backlog+0x101/0x620 [ 3414.443905][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3414.443905][ T73] net_rx_action+0x495/0xbe0 [ 3414.443905][ T73] __do_softirq+0x1b5/0x7f6 [ 3414.443905][ T73] [ 3414.445738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.445738][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.445738][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.445738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.445738][ T73] ip6_route_add+0x1c/0x140 [ 3414.445738][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3414.445738][ T73] inet6_addr_add+0x4f8/0xa40 [ 3414.445738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.445738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.445738][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.445738][ T73] netlink_unicast+0x449/0x710 [ 3414.445738][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.445738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.445738][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.445738][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.445738][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.445738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.445738][ T73] [ 3414.447991][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.447991][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.447991][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.447991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.447991][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3414.447991][ T73] ipv6_add_addr+0x411/0x2000 [ 3414.447991][ T73] inet6_addr_add+0x30e/0xa40 [ 3414.447991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.447991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.447991][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.447991][ T73] netlink_unicast+0x449/0x710 [ 3414.447991][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.447991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.447991][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.447991][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.447991][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.447991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.447991][ T73] [ 3414.450243][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.450243][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.450243][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.450243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.450243][ T73] ip6_route_add+0x1c/0x140 [ 3414.450243][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3414.450243][ T73] addrconf_add_dev+0xe2/0x170 [ 3414.450243][ T73] inet6_addr_add+0x12f/0xa40 [ 3414.450243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.450243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.450243][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.450243][ T73] netlink_unicast+0x449/0x710 [ 3414.450243][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.450243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.450243][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.450243][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.450243][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.450243][ T73] [ 3414.452396][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.452396][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3414.452396][ T73] ipv6_find_idev+0x102/0x170 [ 3414.452396][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.452396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.452396][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.452396][ T73] netlink_unicast+0x449/0x710 [ 3414.452396][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.452396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.452396][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.452396][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.452396][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.452396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.452396][ T73] [ 3414.454185][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3414.454185][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3414.454185][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3414.454185][ T73] ipv6_find_idev+0x102/0x170 [ 3414.454185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.454185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.454185][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.454185][ T73] netlink_unicast+0x449/0x710 [ 3414.454185][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.454185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.454185][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.454185][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.454185][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.454185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.454185][ T73] [ 3414.456126][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3414.456398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3414.456398][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.456398][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.456398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.456398][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3414.456398][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3414.456398][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3414.456398][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3414.456398][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3414.456398][ T73] addrconf_dad_begin+0x310/0x670 [ 3414.456398][ T73] addrconf_dad_work+0x10b/0xab0 [ 3414.456398][ T73] process_one_work+0x84d/0x18a0 [ 3414.456398][ T73] worker_thread+0x587/0xd30 [ 3414.456398][ T73] kthread+0x28a/0x350 [ 3414.456398][ T73] ret_from_fork+0x31/0x70 [ 3414.456398][ T73] ret_from_fork_asm+0x1a/0x30 [ 3414.456398][ T73] [ 3414.458555][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3414.458555][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.458555][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.458555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.458555][ T73] ip6_route_add+0x1c/0x140 [ 3414.458555][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3414.458555][ T73] inet6_addr_add+0x4f8/0xa40 [ 3414.458555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.458555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.458555][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.458555][ T73] netlink_unicast+0x449/0x710 [ 3414.458555][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.458555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.458555][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.458555][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.458555][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.458555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.458555][ T73] [ 3414.460744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3414.460744][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.460744][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.460744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.460744][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3414.460744][ T73] ipv6_add_addr+0x411/0x2000 [ 3414.460744][ T73] inet6_addr_add+0x30e/0xa40 [ 3414.460744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.460744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.460744][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.460744][ T73] netlink_unicast+0x449/0x710 [ 3414.460744][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.460744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.460744][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.460744][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.460744][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.460744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.460744][ T73] [ 3414.463070][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3414.463070][ T73] netdev_get_by_index+0x5e/0x80 [ 3414.463070][ T73] fib6_nh_init+0x3d8/0x1580 [ 3414.463070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3414.463070][ T73] ip6_route_add+0x1c/0x140 [ 3414.463070][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3414.463070][ T73] addrconf_add_dev+0xe2/0x170 [ 3414.463070][ T73] inet6_addr_add+0x12f/0xa40 [ 3414.463070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.463070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.463070][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.463070][ T73] netlink_unicast+0x449/0x710 [ 3414.463070][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.463070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.463070][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.463070][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.463070][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.463070][ T73] [ 3414.465293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3414.465293][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3414.465293][ T73] ipv6_find_idev+0x102/0x170 [ 3414.465293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.465293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.465293][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.465293][ T73] netlink_unicast+0x449/0x710 [ 3414.465293][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.465293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.465293][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.465293][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.465293][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.465293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.465293][ T73] [ 3414.467021][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3414.467021][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3414.467021][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3414.467021][ T73] ipv6_find_idev+0x102/0x170 [ 3414.467021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.467021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.467021][ T73] netlink_rcv_skb+0x130/0x360 [ 3414.467021][ T73] netlink_unicast+0x449/0x710 [ 3414.467021][ T73] netlink_sendmsg+0x723/0xbe0 [ 3414.467021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3414.467021][ T73] ___sys_sendmsg+0xee/0x170 [ 3414.467021][ T73] __sys_sendmsg+0xcd/0x170 [ 3414.467021][ T73] do_syscall_64+0xc6/0x1e0 [ 3414.467021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.467021][ T73] [ 3424.710883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3424.711359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.711359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3424.711359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3424.711359][ T73] fib6_nh_init+0xa22/0x1580 [ 3424.711359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.711359][ T73] ip6_route_add+0x1c/0x140 [ 3424.711359][ T73] inet6_rtm_newroute+0x104/0x110 [ 3424.711359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.711359][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.711359][ T73] netlink_unicast+0x449/0x710 [ 3424.711359][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.711359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.711359][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.711359][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.711359][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.711359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.711359][ T73] [ 3424.713294][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.713294][ T73] dst_init+0x84/0x4a0 [ 3424.713294][ T73] dst_alloc+0x97/0x150 [ 3424.713294][ T73] ip6_dst_alloc+0x23/0x90 [ 3424.713294][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3424.713294][ T73] ip6_pol_route+0x56f/0x840 [ 3424.713294][ T73] fib6_rule_lookup+0x456/0x630 [ 3424.713294][ T73] ip6_route_input+0x59c/0xa50 [ 3424.713294][ T73] ipv6_rcv+0x397/0x810 [ 3424.713294][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3424.713294][ T73] process_backlog+0x101/0x620 [ 3424.713294][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3424.713294][ T73] net_rx_action+0x495/0xbe0 [ 3424.713294][ T73] __do_softirq+0x1b5/0x7f6 [ 3424.713294][ T73] [ 3424.714955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.714955][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.714955][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.714955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.714955][ T73] ip6_route_add+0x1c/0x140 [ 3424.714955][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3424.714955][ T73] inet6_addr_add+0x4f8/0xa40 [ 3424.714955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.714955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.714955][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.714955][ T73] netlink_unicast+0x449/0x710 [ 3424.714955][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.714955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.714955][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.714955][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.714955][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.714955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.714955][ T73] [ 3424.716971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.716971][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.716971][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.716971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.716971][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3424.716971][ T73] ipv6_add_addr+0x411/0x2000 [ 3424.716971][ T73] inet6_addr_add+0x30e/0xa40 [ 3424.716971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.716971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.716971][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.716971][ T73] netlink_unicast+0x449/0x710 [ 3424.716971][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.716971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.716971][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.716971][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.716971][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.716971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.716971][ T73] [ 3424.718984][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.718984][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.718984][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.718984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.718984][ T73] ip6_route_add+0x1c/0x140 [ 3424.718984][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3424.718984][ T73] addrconf_add_dev+0xe2/0x170 [ 3424.718984][ T73] inet6_addr_add+0x12f/0xa40 [ 3424.718984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.718984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.718984][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.718984][ T73] netlink_unicast+0x449/0x710 [ 3424.718984][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.718984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.718984][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.718984][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.718984][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.718984][ T73] [ 3424.720987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.720987][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3424.720987][ T73] ipv6_find_idev+0x102/0x170 [ 3424.720987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.720987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.720987][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.720987][ T73] netlink_unicast+0x449/0x710 [ 3424.720987][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.720987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.720987][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.720987][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.720987][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.720987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.720987][ T73] [ 3424.722538][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3424.722538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3424.722538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3424.722538][ T73] ipv6_find_idev+0x102/0x170 [ 3424.722538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.722538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.722538][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.722538][ T73] netlink_unicast+0x449/0x710 [ 3424.722538][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.722538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.722538][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.722538][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.722538][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.722538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.722538][ T73] [ 3424.724254][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3424.724531][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.724531][ T73] dst_init+0x84/0x4a0 [ 3424.724531][ T73] dst_alloc+0x97/0x150 [ 3424.724531][ T73] ip6_dst_alloc+0x23/0x90 [ 3424.724531][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3424.724531][ T73] ip6_pol_route+0x56f/0x840 [ 3424.724531][ T73] fib6_rule_lookup+0x456/0x630 [ 3424.724531][ T73] ip6_route_input+0x59c/0xa50 [ 3424.724531][ T73] ipv6_rcv+0x397/0x810 [ 3424.724531][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3424.724531][ T73] process_backlog+0x101/0x620 [ 3424.724531][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3424.724531][ T73] net_rx_action+0x495/0xbe0 [ 3424.724531][ T73] __do_softirq+0x1b5/0x7f6 [ 3424.724531][ T73] [ 3424.726190][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.726190][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.726190][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.726190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.726190][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3424.726190][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3424.726190][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3424.726190][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3424.726190][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3424.726190][ T73] addrconf_dad_begin+0x310/0x670 [ 3424.726190][ T73] addrconf_dad_work+0x10b/0xab0 [ 3424.726190][ T73] process_one_work+0x84d/0x18a0 [ 3424.726190][ T73] worker_thread+0x587/0xd30 [ 3424.726190][ T73] kthread+0x28a/0x350 [ 3424.726190][ T73] ret_from_fork+0x31/0x70 [ 3424.726190][ T73] ret_from_fork_asm+0x1a/0x30 [ 3424.726190][ T73] [ 3424.728105][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.728105][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.728105][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.728105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.728105][ T73] ip6_route_add+0x1c/0x140 [ 3424.728105][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3424.728105][ T73] inet6_addr_add+0x4f8/0xa40 [ 3424.728105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.728105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.728105][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.728105][ T73] netlink_unicast+0x449/0x710 [ 3424.728105][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.728105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.728105][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.728105][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.728105][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.728105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.728105][ T73] [ 3424.730123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.730123][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.730123][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.730123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.730123][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3424.730123][ T73] ipv6_add_addr+0x411/0x2000 [ 3424.730123][ T73] inet6_addr_add+0x30e/0xa40 [ 3424.730123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.730123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.730123][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.730123][ T73] netlink_unicast+0x449/0x710 [ 3424.730123][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.730123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.730123][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.730123][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.730123][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.730123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.730123][ T73] [ 3424.732130][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.732130][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.732130][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.732130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.732130][ T73] ip6_route_add+0x1c/0x140 [ 3424.732130][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3424.732130][ T73] addrconf_add_dev+0xe2/0x170 [ 3424.732130][ T73] inet6_addr_add+0x12f/0xa40 [ 3424.732130][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.732130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.732130][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.732130][ T73] netlink_unicast+0x449/0x710 [ 3424.732130][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.732130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.732130][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.732130][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.732130][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.732130][ T73] [ 3424.734102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.734102][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3424.734102][ T73] ipv6_find_idev+0x102/0x170 [ 3424.734102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.734102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.734102][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.734102][ T73] netlink_unicast+0x449/0x710 [ 3424.734102][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.734102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.734102][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.734102][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.734102][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.734102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.734102][ T73] [ 3424.735655][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3424.735655][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3424.735655][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3424.735655][ T73] ipv6_find_idev+0x102/0x170 [ 3424.735655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.735655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.735655][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.735655][ T73] netlink_unicast+0x449/0x710 [ 3424.735655][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.735655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.735655][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.735655][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.735655][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.735655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.735655][ T73] [ 3424.737469][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3424.737737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.737737][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3424.737737][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3424.737737][ T73] fib6_nh_init+0xa22/0x1580 [ 3424.737737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.737737][ T73] ip6_route_add+0x1c/0x140 [ 3424.737737][ T73] inet6_rtm_newroute+0x104/0x110 [ 3424.737737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.737737][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.737737][ T73] netlink_unicast+0x449/0x710 [ 3424.737737][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.737737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.737737][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.737737][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.737737][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.737737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.737737][ T73] [ 3424.739933][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.739933][ T73] dst_init+0x84/0x4a0 [ 3424.739933][ T73] dst_alloc+0x97/0x150 [ 3424.739933][ T73] ip6_dst_alloc+0x23/0x90 [ 3424.739933][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3424.739933][ T73] ip6_pol_route+0x56f/0x840 [ 3424.739933][ T73] fib6_rule_lookup+0x456/0x630 [ 3424.739933][ T73] ip6_route_input+0x59c/0xa50 [ 3424.739933][ T73] ipv6_rcv+0x397/0x810 [ 3424.739933][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3424.739933][ T73] process_backlog+0x101/0x620 [ 3424.739933][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3424.739933][ T73] net_rx_action+0x495/0xbe0 [ 3424.739933][ T73] __do_softirq+0x1b5/0x7f6 [ 3424.739933][ T73] [ 3424.741766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.741766][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.741766][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.741766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.741766][ T73] ip6_route_add+0x1c/0x140 [ 3424.741766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3424.741766][ T73] inet6_addr_add+0x4f8/0xa40 [ 3424.741766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.741766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.741766][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.741766][ T73] netlink_unicast+0x449/0x710 [ 3424.741766][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.741766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.741766][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.741766][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.741766][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.741766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.741766][ T73] [ 3424.744016][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.744016][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.744016][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.744016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.744016][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3424.744016][ T73] ipv6_add_addr+0x411/0x2000 [ 3424.744016][ T73] inet6_addr_add+0x30e/0xa40 [ 3424.744016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.744016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.744016][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.744016][ T73] netlink_unicast+0x449/0x710 [ 3424.744016][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.744016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.744016][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.744016][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.744016][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.744016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.744016][ T73] [ 3424.746276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.746276][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.746276][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.746276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.746276][ T73] ip6_route_add+0x1c/0x140 [ 3424.746276][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3424.746276][ T73] addrconf_add_dev+0xe2/0x170 [ 3424.746276][ T73] inet6_addr_add+0x12f/0xa40 [ 3424.746276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.746276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.746276][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.746276][ T73] netlink_unicast+0x449/0x710 [ 3424.746276][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.746276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.746276][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.746276][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.746276][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.746276][ T73] [ 3424.748495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.748495][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3424.748495][ T73] ipv6_find_idev+0x102/0x170 [ 3424.748495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.748495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.748495][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.748495][ T73] netlink_unicast+0x449/0x710 [ 3424.748495][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.748495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.748495][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.748495][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.748495][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.748495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.748495][ T73] [ 3424.750231][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3424.750231][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3424.750231][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3424.750231][ T73] ipv6_find_idev+0x102/0x170 [ 3424.750231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.750231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.750231][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.750231][ T73] netlink_unicast+0x449/0x710 [ 3424.750231][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.750231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.750231][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.750231][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.750231][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.750231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.750231][ T73] [ 3424.752166][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3424.752441][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3424.752441][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.752441][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.752441][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.752441][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3424.752441][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3424.752441][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3424.752441][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3424.752441][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3424.752441][ T73] addrconf_dad_begin+0x310/0x670 [ 3424.752441][ T73] addrconf_dad_work+0x10b/0xab0 [ 3424.752441][ T73] process_one_work+0x84d/0x18a0 [ 3424.752441][ T73] worker_thread+0x587/0xd30 [ 3424.752441][ T73] kthread+0x28a/0x350 [ 3424.752441][ T73] ret_from_fork+0x31/0x70 [ 3424.752441][ T73] ret_from_fork_asm+0x1a/0x30 [ 3424.752441][ T73] [ 3424.754623][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3424.754623][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.754623][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.754623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.754623][ T73] ip6_route_add+0x1c/0x140 [ 3424.754623][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3424.754623][ T73] inet6_addr_add+0x4f8/0xa40 [ 3424.754623][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.754623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.754623][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.754623][ T73] netlink_unicast+0x449/0x710 [ 3424.754623][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.754623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.754623][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.754623][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.754623][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.754623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.754623][ T73] [ 3424.756810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3424.756810][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.756810][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.756810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.756810][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3424.756810][ T73] ipv6_add_addr+0x411/0x2000 [ 3424.756810][ T73] inet6_addr_add+0x30e/0xa40 [ 3424.756810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.756810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.756810][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.756810][ T73] netlink_unicast+0x449/0x710 [ 3424.756810][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.756810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.756810][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.756810][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.756810][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.756810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.756810][ T73] [ 3424.759133][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3424.759133][ T73] netdev_get_by_index+0x5e/0x80 [ 3424.759133][ T73] fib6_nh_init+0x3d8/0x1580 [ 3424.759133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3424.759133][ T73] ip6_route_add+0x1c/0x140 [ 3424.759133][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3424.759133][ T73] addrconf_add_dev+0xe2/0x170 [ 3424.759133][ T73] inet6_addr_add+0x12f/0xa40 [ 3424.759133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3424.759133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.759133][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.759133][ T73] netlink_unicast+0x449/0x710 [ 3424.759133][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.759133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.759133][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.759133][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.759133][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.759133][ T73] [ 3424.761349][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3424.761349][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3424.761349][ T73] ipv6_find_idev+0x102/0x170 [ 3424.761349][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.761349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.761349][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.761349][ T73] netlink_unicast+0x449/0x710 [ 3424.761349][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.761349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.761349][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.761349][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.761349][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.761349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.761349][ T73] [ 3424.763077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3424.763077][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3424.763077][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3424.763077][ T73] ipv6_find_idev+0x102/0x170 [ 3424.763077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3424.763077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3424.763077][ T73] netlink_rcv_skb+0x130/0x360 [ 3424.763077][ T73] netlink_unicast+0x449/0x710 [ 3424.763077][ T73] netlink_sendmsg+0x723/0xbe0 [ 3424.763077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3424.763077][ T73] ___sys_sendmsg+0xee/0x170 [ 3424.763077][ T73] __sys_sendmsg+0xcd/0x170 [ 3424.763077][ T73] do_syscall_64+0xc6/0x1e0 [ 3424.763077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3424.763077][ T73] [ 3435.006842][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3435.007238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.007238][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3435.007238][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3435.007238][ T73] fib6_nh_init+0xa22/0x1580 [ 3435.007238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.007238][ T73] ip6_route_add+0x1c/0x140 [ 3435.007238][ T73] inet6_rtm_newroute+0x104/0x110 [ 3435.007238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.007238][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.007238][ T73] netlink_unicast+0x449/0x710 [ 3435.007238][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.007238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.007238][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.007238][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.007238][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.007238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.007238][ T73] [ 3435.009135][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.009135][ T73] dst_init+0x84/0x4a0 [ 3435.009135][ T73] dst_alloc+0x97/0x150 [ 3435.009135][ T73] ip6_dst_alloc+0x23/0x90 [ 3435.009135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3435.009135][ T73] ip6_pol_route+0x56f/0x840 [ 3435.009135][ T73] fib6_rule_lookup+0x456/0x630 [ 3435.009135][ T73] ip6_route_input+0x59c/0xa50 [ 3435.009135][ T73] ipv6_rcv+0x397/0x810 [ 3435.009135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3435.009135][ T73] process_backlog+0x101/0x620 [ 3435.009135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3435.009135][ T73] net_rx_action+0x495/0xbe0 [ 3435.009135][ T73] __do_softirq+0x1b5/0x7f6 [ 3435.009135][ T73] [ 3435.010775][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.010775][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.010775][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.010775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.010775][ T73] ip6_route_add+0x1c/0x140 [ 3435.010775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3435.010775][ T73] inet6_addr_add+0x4f8/0xa40 [ 3435.010775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.010775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.010775][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.010775][ T73] netlink_unicast+0x449/0x710 [ 3435.010775][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.010775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.010775][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.010775][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.010775][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.010775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.010775][ T73] [ 3435.012779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.012779][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.012779][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.012779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.012779][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3435.012779][ T73] ipv6_add_addr+0x411/0x2000 [ 3435.012779][ T73] inet6_addr_add+0x30e/0xa40 [ 3435.012779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.012779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.012779][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.012779][ T73] netlink_unicast+0x449/0x710 [ 3435.012779][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.012779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.012779][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.012779][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.012779][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.012779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.012779][ T73] [ 3435.014799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.014799][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.014799][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.014799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.014799][ T73] ip6_route_add+0x1c/0x140 [ 3435.014799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3435.014799][ T73] addrconf_add_dev+0xe2/0x170 [ 3435.014799][ T73] inet6_addr_add+0x12f/0xa40 [ 3435.014799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.014799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.014799][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.014799][ T73] netlink_unicast+0x449/0x710 [ 3435.014799][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.014799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.014799][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.014799][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.014799][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.014799][ T73] [ 3435.016779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.016779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3435.016779][ T73] ipv6_find_idev+0x102/0x170 [ 3435.016779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.016779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.016779][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.016779][ T73] netlink_unicast+0x449/0x710 [ 3435.016779][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.016779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.016779][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.016779][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.016779][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.016779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.016779][ T73] [ 3435.018319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3435.018319][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3435.018319][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3435.018319][ T73] ipv6_find_idev+0x102/0x170 [ 3435.018319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.018319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.018319][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.018319][ T73] netlink_unicast+0x449/0x710 [ 3435.018319][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.018319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.018319][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.018319][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.018319][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.018319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.018319][ T73] [ 3435.020024][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3435.020301][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.020301][ T73] dst_init+0x84/0x4a0 [ 3435.020301][ T73] dst_alloc+0x97/0x150 [ 3435.020301][ T73] ip6_dst_alloc+0x23/0x90 [ 3435.020301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3435.020301][ T73] ip6_pol_route+0x56f/0x840 [ 3435.020301][ T73] fib6_rule_lookup+0x456/0x630 [ 3435.020301][ T73] ip6_route_input+0x59c/0xa50 [ 3435.020301][ T73] ipv6_rcv+0x397/0x810 [ 3435.020301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3435.020301][ T73] process_backlog+0x101/0x620 [ 3435.020301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3435.020301][ T73] net_rx_action+0x495/0xbe0 [ 3435.020301][ T73] __do_softirq+0x1b5/0x7f6 [ 3435.020301][ T73] [ 3435.021963][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.021963][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.021963][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.021963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.021963][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3435.021963][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3435.021963][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3435.021963][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3435.021963][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3435.021963][ T73] addrconf_dad_begin+0x310/0x670 [ 3435.021963][ T73] addrconf_dad_work+0x10b/0xab0 [ 3435.021963][ T73] process_one_work+0x84d/0x18a0 [ 3435.021963][ T73] worker_thread+0x587/0xd30 [ 3435.021963][ T73] kthread+0x28a/0x350 [ 3435.021963][ T73] ret_from_fork+0x31/0x70 [ 3435.021963][ T73] ret_from_fork_asm+0x1a/0x30 [ 3435.021963][ T73] [ 3435.023878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.023878][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.023878][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.023878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.023878][ T73] ip6_route_add+0x1c/0x140 [ 3435.023878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3435.023878][ T73] inet6_addr_add+0x4f8/0xa40 [ 3435.023878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.023878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.023878][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.023878][ T73] netlink_unicast+0x449/0x710 [ 3435.023878][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.023878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.023878][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.023878][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.023878][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.023878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.023878][ T73] [ 3435.025881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.025881][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.025881][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.025881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.025881][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3435.025881][ T73] ipv6_add_addr+0x411/0x2000 [ 3435.025881][ T73] inet6_addr_add+0x30e/0xa40 [ 3435.025881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.025881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.025881][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.025881][ T73] netlink_unicast+0x449/0x710 [ 3435.025881][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.025881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.025881][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.025881][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.025881][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.025881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.025881][ T73] [ 3435.027876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.027876][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.027876][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.027876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.027876][ T73] ip6_route_add+0x1c/0x140 [ 3435.027876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3435.027876][ T73] addrconf_add_dev+0xe2/0x170 [ 3435.027876][ T73] inet6_addr_add+0x12f/0xa40 [ 3435.027876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.027876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.027876][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.027876][ T73] netlink_unicast+0x449/0x710 [ 3435.027876][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.027876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.027876][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.027876][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.027876][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.027876][ T73] [ 3435.029854][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.029854][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3435.029854][ T73] ipv6_find_idev+0x102/0x170 [ 3435.029854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.029854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.029854][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.029854][ T73] netlink_unicast+0x449/0x710 [ 3435.029854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.029854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.029854][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.029854][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.029854][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.029854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.029854][ T73] [ 3435.031388][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3435.031388][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3435.031388][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3435.031388][ T73] ipv6_find_idev+0x102/0x170 [ 3435.031388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.031388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.031388][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.031388][ T73] netlink_unicast+0x449/0x710 [ 3435.031388][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.031388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.031388][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.031388][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.031388][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.031388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.031388][ T73] [ 3435.033156][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3435.033433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.033433][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3435.033433][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3435.033433][ T73] fib6_nh_init+0xa22/0x1580 [ 3435.033433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.033433][ T73] ip6_route_add+0x1c/0x140 [ 3435.033433][ T73] inet6_rtm_newroute+0x104/0x110 [ 3435.033433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.033433][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.033433][ T73] netlink_unicast+0x449/0x710 [ 3435.033433][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.033433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.033433][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.033433][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.033433][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.033433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.033433][ T73] [ 3435.035519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.035519][ T73] dst_init+0x84/0x4a0 [ 3435.035519][ T73] dst_alloc+0x97/0x150 [ 3435.035519][ T73] ip6_dst_alloc+0x23/0x90 [ 3435.035519][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3435.035519][ T73] ip6_pol_route+0x56f/0x840 [ 3435.035519][ T73] fib6_rule_lookup+0x456/0x630 [ 3435.035519][ T73] ip6_route_input+0x59c/0xa50 [ 3435.035519][ T73] ipv6_rcv+0x397/0x810 [ 3435.035519][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3435.035519][ T73] process_backlog+0x101/0x620 [ 3435.035519][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3435.035519][ T73] net_rx_action+0x495/0xbe0 [ 3435.035519][ T73] __do_softirq+0x1b5/0x7f6 [ 3435.035519][ T73] [ 3435.037218][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.037218][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.037218][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.037218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.037218][ T73] ip6_route_add+0x1c/0x140 [ 3435.037218][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3435.037218][ T73] inet6_addr_add+0x4f8/0xa40 [ 3435.037218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.037218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.037218][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.037218][ T73] netlink_unicast+0x449/0x710 [ 3435.037218][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.037218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.037218][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.037218][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.037218][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.037218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.037218][ T73] [ 3435.039345][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.039345][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.039345][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.039345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.039345][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3435.039345][ T73] ipv6_add_addr+0x411/0x2000 [ 3435.039345][ T73] inet6_addr_add+0x30e/0xa40 [ 3435.039345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.039345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.039345][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.039345][ T73] netlink_unicast+0x449/0x710 [ 3435.039345][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.039345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.039345][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.039345][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.039345][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.039345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.039345][ T73] [ 3435.041474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.041474][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.041474][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.041474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.041474][ T73] ip6_route_add+0x1c/0x140 [ 3435.041474][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3435.041474][ T73] addrconf_add_dev+0xe2/0x170 [ 3435.041474][ T73] inet6_addr_add+0x12f/0xa40 [ 3435.041474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.041474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.041474][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.041474][ T73] netlink_unicast+0x449/0x710 [ 3435.041474][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.041474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.041474][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.041474][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.041474][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.041474][ T73] [ 3435.043571][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.043571][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3435.043571][ T73] ipv6_find_idev+0x102/0x170 [ 3435.043571][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.043571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.043571][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.043571][ T73] netlink_unicast+0x449/0x710 [ 3435.043571][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.043571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.043571][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.043571][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.043571][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.043571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.043571][ T73] [ 3435.045186][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3435.045186][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3435.045186][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3435.045186][ T73] ipv6_find_idev+0x102/0x170 [ 3435.045186][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.045186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.045186][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.045186][ T73] netlink_unicast+0x449/0x710 [ 3435.045186][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.045186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.045186][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.045186][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.045186][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.045186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.045186][ T73] [ 3435.047022][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3435.047298][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3435.047298][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.047298][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.047298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.047298][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3435.047298][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3435.047298][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3435.047298][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3435.047298][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3435.047298][ T73] addrconf_dad_begin+0x310/0x670 [ 3435.047298][ T73] addrconf_dad_work+0x10b/0xab0 [ 3435.047298][ T73] process_one_work+0x84d/0x18a0 [ 3435.047298][ T73] worker_thread+0x587/0xd30 [ 3435.047298][ T73] kthread+0x28a/0x350 [ 3435.047298][ T73] ret_from_fork+0x31/0x70 [ 3435.047298][ T73] ret_from_fork_asm+0x1a/0x30 [ 3435.047298][ T73] [ 3435.049343][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3435.049343][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.049343][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.049343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.049343][ T73] ip6_route_add+0x1c/0x140 [ 3435.049343][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3435.049343][ T73] inet6_addr_add+0x4f8/0xa40 [ 3435.049343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.049343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.049343][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.049343][ T73] netlink_unicast+0x449/0x710 [ 3435.049343][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.049343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.049343][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.049343][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.049343][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.049343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.049343][ T73] [ 3435.051475][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3435.051475][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.051475][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.051475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.051475][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3435.051475][ T73] ipv6_add_addr+0x411/0x2000 [ 3435.051475][ T73] inet6_addr_add+0x30e/0xa40 [ 3435.051475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.051475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.051475][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.051475][ T73] netlink_unicast+0x449/0x710 [ 3435.051475][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.051475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.051475][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.051475][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.051475][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.051475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.051475][ T73] [ 3435.053748][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3435.053748][ T73] netdev_get_by_index+0x5e/0x80 [ 3435.053748][ T73] fib6_nh_init+0x3d8/0x1580 [ 3435.053748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3435.053748][ T73] ip6_route_add+0x1c/0x140 [ 3435.053748][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3435.053748][ T73] addrconf_add_dev+0xe2/0x170 [ 3435.053748][ T73] inet6_addr_add+0x12f/0xa40 [ 3435.053748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.053748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.053748][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.053748][ T73] netlink_unicast+0x449/0x710 [ 3435.053748][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.053748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.053748][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.053748][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.053748][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.053748][ T73] [ 3435.055856][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3435.055856][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3435.055856][ T73] ipv6_find_idev+0x102/0x170 [ 3435.055856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.055856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.055856][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.055856][ T73] netlink_unicast+0x449/0x710 [ 3435.055856][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.055856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.055856][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.055856][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.055856][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.055856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.055856][ T73] [ 3435.057464][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3435.057464][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3435.057464][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3435.057464][ T73] ipv6_find_idev+0x102/0x170 [ 3435.057464][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.057464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.057464][ T73] netlink_rcv_skb+0x130/0x360 [ 3435.057464][ T73] netlink_unicast+0x449/0x710 [ 3435.057464][ T73] netlink_sendmsg+0x723/0xbe0 [ 3435.057464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3435.057464][ T73] ___sys_sendmsg+0xee/0x170 [ 3435.057464][ T73] __sys_sendmsg+0xcd/0x170 [ 3435.057464][ T73] do_syscall_64+0xc6/0x1e0 [ 3435.057464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.057464][ T73] [ 3445.062923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3445.063413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.063413][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3445.063413][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3445.063413][ T73] fib6_nh_init+0xa22/0x1580 [ 3445.063413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.063413][ T73] ip6_route_add+0x1c/0x140 [ 3445.063413][ T73] inet6_rtm_newroute+0x104/0x110 [ 3445.063413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.063413][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.063413][ T73] netlink_unicast+0x449/0x710 [ 3445.063413][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.063413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.063413][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.063413][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.063413][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.063413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.063413][ T73] [ 3445.065332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.065332][ T73] dst_init+0x84/0x4a0 [ 3445.065332][ T73] dst_alloc+0x97/0x150 [ 3445.065332][ T73] ip6_dst_alloc+0x23/0x90 [ 3445.065332][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3445.065332][ T73] ip6_pol_route+0x56f/0x840 [ 3445.065332][ T73] fib6_rule_lookup+0x456/0x630 [ 3445.065332][ T73] ip6_route_input+0x59c/0xa50 [ 3445.065332][ T73] ipv6_rcv+0x397/0x810 [ 3445.065332][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3445.065332][ T73] process_backlog+0x101/0x620 [ 3445.065332][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3445.065332][ T73] net_rx_action+0x495/0xbe0 [ 3445.065332][ T73] __do_softirq+0x1b5/0x7f6 [ 3445.065332][ T73] [ 3445.066979][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.066979][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.066979][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.066979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.066979][ T73] ip6_route_add+0x1c/0x140 [ 3445.066979][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3445.066979][ T73] inet6_addr_add+0x4f8/0xa40 [ 3445.066979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.066979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.066979][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.066979][ T73] netlink_unicast+0x449/0x710 [ 3445.066979][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.066979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.066979][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.066979][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.066979][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.066979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.066979][ T73] [ 3445.068988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.068988][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.068988][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.068988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.068988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3445.068988][ T73] ipv6_add_addr+0x411/0x2000 [ 3445.068988][ T73] inet6_addr_add+0x30e/0xa40 [ 3445.068988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.068988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.068988][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.068988][ T73] netlink_unicast+0x449/0x710 [ 3445.068988][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.068988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.068988][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.068988][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.068988][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.068988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.068988][ T73] [ 3445.071005][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.071005][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.071005][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.071005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.071005][ T73] ip6_route_add+0x1c/0x140 [ 3445.071005][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3445.071005][ T73] addrconf_add_dev+0xe2/0x170 [ 3445.071005][ T73] inet6_addr_add+0x12f/0xa40 [ 3445.071005][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.071005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.071005][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.071005][ T73] netlink_unicast+0x449/0x710 [ 3445.071005][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.071005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.071005][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.071005][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.071005][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.071005][ T73] [ 3445.073005][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.073005][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3445.073005][ T73] ipv6_find_idev+0x102/0x170 [ 3445.073005][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.073005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.073005][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.073005][ T73] netlink_unicast+0x449/0x710 [ 3445.073005][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.073005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.073005][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.073005][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.073005][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.073005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.073005][ T73] [ 3445.074564][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3445.074564][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3445.074564][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3445.074564][ T73] ipv6_find_idev+0x102/0x170 [ 3445.074564][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.074564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.074564][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.074564][ T73] netlink_unicast+0x449/0x710 [ 3445.074564][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.074564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.074564][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.074564][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.074564][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.074564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.074564][ T73] [ 3445.076290][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3445.076561][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.076561][ T73] dst_init+0x84/0x4a0 [ 3445.076561][ T73] dst_alloc+0x97/0x150 [ 3445.076561][ T73] ip6_dst_alloc+0x23/0x90 [ 3445.076561][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3445.076561][ T73] ip6_pol_route+0x56f/0x840 [ 3445.076561][ T73] fib6_rule_lookup+0x456/0x630 [ 3445.076561][ T73] ip6_route_input+0x59c/0xa50 [ 3445.076561][ T73] ipv6_rcv+0x397/0x810 [ 3445.076561][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3445.076561][ T73] process_backlog+0x101/0x620 [ 3445.076561][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3445.076561][ T73] net_rx_action+0x495/0xbe0 [ 3445.076561][ T73] __do_softirq+0x1b5/0x7f6 [ 3445.076561][ T73] [ 3445.078209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.078209][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.078209][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.078209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.078209][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3445.078209][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3445.078209][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3445.078209][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3445.078209][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3445.078209][ T73] addrconf_dad_begin+0x310/0x670 [ 3445.078209][ T73] addrconf_dad_work+0x10b/0xab0 [ 3445.078209][ T73] process_one_work+0x84d/0x18a0 [ 3445.078209][ T73] worker_thread+0x587/0xd30 [ 3445.078209][ T73] kthread+0x28a/0x350 [ 3445.078209][ T73] ret_from_fork+0x31/0x70 [ 3445.078209][ T73] ret_from_fork_asm+0x1a/0x30 [ 3445.078209][ T73] [ 3445.080128][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.080128][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.080128][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.080128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.080128][ T73] ip6_route_add+0x1c/0x140 [ 3445.080128][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3445.080128][ T73] inet6_addr_add+0x4f8/0xa40 [ 3445.080128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.080128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.080128][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.080128][ T73] netlink_unicast+0x449/0x710 [ 3445.080128][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.080128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.080128][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.080128][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.080128][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.080128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.080128][ T73] [ 3445.082134][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.082134][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.082134][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.082134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.082134][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3445.082134][ T73] ipv6_add_addr+0x411/0x2000 [ 3445.082134][ T73] inet6_addr_add+0x30e/0xa40 [ 3445.082134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.082134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.082134][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.082134][ T73] netlink_unicast+0x449/0x710 [ 3445.082134][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.082134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.082134][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.082134][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.082134][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.082134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.082134][ T73] [ 3445.084153][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.084153][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.084153][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.084153][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.084153][ T73] ip6_route_add+0x1c/0x140 [ 3445.084153][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3445.084153][ T73] addrconf_add_dev+0xe2/0x170 [ 3445.084153][ T73] inet6_addr_add+0x12f/0xa40 [ 3445.084153][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.084153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.084153][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.084153][ T73] netlink_unicast+0x449/0x710 [ 3445.084153][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.084153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.084153][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.084153][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.084153][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.084153][ T73] [ 3445.086134][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.086134][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3445.086134][ T73] ipv6_find_idev+0x102/0x170 [ 3445.086134][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.086134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.086134][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.086134][ T73] netlink_unicast+0x449/0x710 [ 3445.086134][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.086134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.086134][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.086134][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.086134][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.086134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.086134][ T73] [ 3445.087682][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3445.087682][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3445.087682][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3445.087682][ T73] ipv6_find_idev+0x102/0x170 [ 3445.087682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.087682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.087682][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.087682][ T73] netlink_unicast+0x449/0x710 [ 3445.087682][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.087682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.087682][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.087682][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.087682][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.087682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.087682][ T73] [ 3445.089500][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3445.089767][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.089767][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3445.089767][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3445.089767][ T73] fib6_nh_init+0xa22/0x1580 [ 3445.089767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.089767][ T73] ip6_route_add+0x1c/0x140 [ 3445.089767][ T73] inet6_rtm_newroute+0x104/0x110 [ 3445.089767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.089767][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.089767][ T73] netlink_unicast+0x449/0x710 [ 3445.089767][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.089767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.089767][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.089767][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.089767][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.089767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.089767][ T73] [ 3445.091911][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.091911][ T73] dst_init+0x84/0x4a0 [ 3445.091911][ T73] dst_alloc+0x97/0x150 [ 3445.091911][ T73] ip6_dst_alloc+0x23/0x90 [ 3445.091911][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3445.091911][ T73] ip6_pol_route+0x56f/0x840 [ 3445.091911][ T73] fib6_rule_lookup+0x456/0x630 [ 3445.091911][ T73] ip6_route_input+0x59c/0xa50 [ 3445.091911][ T73] ipv6_rcv+0x397/0x810 [ 3445.091911][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3445.091911][ T73] process_backlog+0x101/0x620 [ 3445.091911][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3445.091911][ T73] net_rx_action+0x495/0xbe0 [ 3445.091911][ T73] __do_softirq+0x1b5/0x7f6 [ 3445.091911][ T73] [ 3445.093736][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.093736][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.093736][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.093736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.093736][ T73] ip6_route_add+0x1c/0x140 [ 3445.093736][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3445.093736][ T73] inet6_addr_add+0x4f8/0xa40 [ 3445.093736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.093736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.093736][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.093736][ T73] netlink_unicast+0x449/0x710 [ 3445.093736][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.093736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.093736][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.093736][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.093736][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.093736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.093736][ T73] [ 3445.096051][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.096051][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.096051][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.096051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.096051][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3445.096051][ T73] ipv6_add_addr+0x411/0x2000 [ 3445.096051][ T73] inet6_addr_add+0x30e/0xa40 [ 3445.096051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.096051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.096051][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.096051][ T73] netlink_unicast+0x449/0x710 [ 3445.096051][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.096051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.096051][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.096051][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.096051][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.096051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.096051][ T73] [ 3445.098304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.098304][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.098304][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.098304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.098304][ T73] ip6_route_add+0x1c/0x140 [ 3445.098304][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3445.098304][ T73] addrconf_add_dev+0xe2/0x170 [ 3445.098304][ T73] inet6_addr_add+0x12f/0xa40 [ 3445.098304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.098304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.098304][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.098304][ T73] netlink_unicast+0x449/0x710 [ 3445.098304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.098304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.098304][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.098304][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.098304][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.098304][ T73] [ 3445.100452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.100452][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3445.100452][ T73] ipv6_find_idev+0x102/0x170 [ 3445.100452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.100452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.100452][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.100452][ T73] netlink_unicast+0x449/0x710 [ 3445.100452][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.100452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.100452][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.100452][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.100452][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.100452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.100452][ T73] [ 3445.102193][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3445.102193][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3445.102193][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3445.102193][ T73] ipv6_find_idev+0x102/0x170 [ 3445.102193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.102193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.102193][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.102193][ T73] netlink_unicast+0x449/0x710 [ 3445.102193][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.102193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.102193][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.102193][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.102193][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.102193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.102193][ T73] [ 3445.104180][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3445.104453][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3445.104453][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.104453][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.104453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.104453][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3445.104453][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3445.104453][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3445.104453][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3445.104453][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3445.104453][ T73] addrconf_dad_begin+0x310/0x670 [ 3445.104453][ T73] addrconf_dad_work+0x10b/0xab0 [ 3445.104453][ T73] process_one_work+0x84d/0x18a0 [ 3445.104453][ T73] worker_thread+0x587/0xd30 [ 3445.104453][ T73] kthread+0x28a/0x350 [ 3445.104453][ T73] ret_from_fork+0x31/0x70 [ 3445.104453][ T73] ret_from_fork_asm+0x1a/0x30 [ 3445.104453][ T73] [ 3445.106620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3445.106620][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.106620][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.106620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.106620][ T73] ip6_route_add+0x1c/0x140 [ 3445.106620][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3445.106620][ T73] inet6_addr_add+0x4f8/0xa40 [ 3445.106620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.106620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.106620][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.106620][ T73] netlink_unicast+0x449/0x710 [ 3445.106620][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.106620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.106620][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.106620][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.106620][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.106620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.106620][ T73] [ 3445.108815][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3445.108815][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.108815][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.108815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.108815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3445.108815][ T73] ipv6_add_addr+0x411/0x2000 [ 3445.108815][ T73] inet6_addr_add+0x30e/0xa40 [ 3445.108815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.108815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.108815][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.108815][ T73] netlink_unicast+0x449/0x710 [ 3445.108815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.108815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.108815][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.108815][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.108815][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.108815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.108815][ T73] [ 3445.111577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3445.111577][ T73] netdev_get_by_index+0x5e/0x80 [ 3445.111577][ T73] fib6_nh_init+0x3d8/0x1580 [ 3445.111577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3445.111577][ T73] ip6_route_add+0x1c/0x140 [ 3445.111577][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3445.111577][ T73] addrconf_add_dev+0xe2/0x170 [ 3445.111577][ T73] inet6_addr_add+0x12f/0xa40 [ 3445.111577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.111577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.111577][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.111577][ T73] netlink_unicast+0x449/0x710 [ 3445.111577][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.111577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.111577][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.111577][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.111577][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.111577][ T73] [ 3445.113793][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3445.113793][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3445.113793][ T73] ipv6_find_idev+0x102/0x170 [ 3445.113793][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.113793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.113793][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.113793][ T73] netlink_unicast+0x449/0x710 [ 3445.113793][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.113793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.113793][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.113793][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.113793][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.113793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.113793][ T73] [ 3445.115585][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3445.115585][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3445.115585][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3445.115585][ T73] ipv6_find_idev+0x102/0x170 [ 3445.115585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.115585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.115585][ T73] netlink_rcv_skb+0x130/0x360 [ 3445.115585][ T73] netlink_unicast+0x449/0x710 [ 3445.115585][ T73] netlink_sendmsg+0x723/0xbe0 [ 3445.115585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3445.115585][ T73] ___sys_sendmsg+0xee/0x170 [ 3445.115585][ T73] __sys_sendmsg+0xcd/0x170 [ 3445.115585][ T73] do_syscall_64+0xc6/0x1e0 [ 3445.115585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.115585][ T73] [ 3455.366885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3455.367351][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.367351][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3455.367351][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3455.367351][ T73] fib6_nh_init+0xa22/0x1580 [ 3455.367351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.367351][ T73] ip6_route_add+0x1c/0x140 [ 3455.367351][ T73] inet6_rtm_newroute+0x104/0x110 [ 3455.367351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.367351][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.367351][ T73] netlink_unicast+0x449/0x710 [ 3455.367351][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.367351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.367351][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.367351][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.367351][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.367351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.367351][ T73] [ 3455.369230][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.369230][ T73] dst_init+0x84/0x4a0 [ 3455.369230][ T73] dst_alloc+0x97/0x150 [ 3455.369230][ T73] ip6_dst_alloc+0x23/0x90 [ 3455.369230][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3455.369230][ T73] ip6_pol_route+0x56f/0x840 [ 3455.369230][ T73] fib6_rule_lookup+0x456/0x630 [ 3455.369230][ T73] ip6_route_input+0x59c/0xa50 [ 3455.369230][ T73] ipv6_rcv+0x397/0x810 [ 3455.369230][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3455.369230][ T73] process_backlog+0x101/0x620 [ 3455.369230][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3455.369230][ T73] net_rx_action+0x495/0xbe0 [ 3455.369230][ T73] __do_softirq+0x1b5/0x7f6 [ 3455.369230][ T73] [ 3455.370861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.370861][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.370861][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.370861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.370861][ T73] ip6_route_add+0x1c/0x140 [ 3455.370861][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3455.370861][ T73] inet6_addr_add+0x4f8/0xa40 [ 3455.370861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.370861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.370861][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.370861][ T73] netlink_unicast+0x449/0x710 [ 3455.370861][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.370861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.370861][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.370861][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.370861][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.370861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.370861][ T73] [ 3455.372976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.372976][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.372976][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.372976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.372976][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3455.372976][ T73] ipv6_add_addr+0x411/0x2000 [ 3455.372976][ T73] inet6_addr_add+0x30e/0xa40 [ 3455.372976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.372976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.372976][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.372976][ T73] netlink_unicast+0x449/0x710 [ 3455.372976][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.372976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.372976][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.372976][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.372976][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.372976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.372976][ T73] [ 3455.374976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.374976][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.374976][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.374976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.374976][ T73] ip6_route_add+0x1c/0x140 [ 3455.374976][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3455.374976][ T73] addrconf_add_dev+0xe2/0x170 [ 3455.374976][ T73] inet6_addr_add+0x12f/0xa40 [ 3455.374976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.374976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.374976][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.374976][ T73] netlink_unicast+0x449/0x710 [ 3455.374976][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.374976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.374976][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.374976][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.374976][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.374976][ T73] [ 3455.376939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.376939][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3455.376939][ T73] ipv6_find_idev+0x102/0x170 [ 3455.376939][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.376939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.376939][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.376939][ T73] netlink_unicast+0x449/0x710 [ 3455.376939][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.376939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.376939][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.376939][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.376939][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.376939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.376939][ T73] [ 3455.378469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3455.378469][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3455.378469][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3455.378469][ T73] ipv6_find_idev+0x102/0x170 [ 3455.378469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.378469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.378469][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.378469][ T73] netlink_unicast+0x449/0x710 [ 3455.378469][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.378469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.378469][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.378469][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.378469][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.378469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.378469][ T73] [ 3455.380140][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3455.380410][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.380410][ T73] dst_init+0x84/0x4a0 [ 3455.380410][ T73] dst_alloc+0x97/0x150 [ 3455.380410][ T73] ip6_dst_alloc+0x23/0x90 [ 3455.380410][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3455.380410][ T73] ip6_pol_route+0x56f/0x840 [ 3455.380410][ T73] fib6_rule_lookup+0x456/0x630 [ 3455.380410][ T73] ip6_route_input+0x59c/0xa50 [ 3455.380410][ T73] ipv6_rcv+0x397/0x810 [ 3455.380410][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3455.380410][ T73] process_backlog+0x101/0x620 [ 3455.380410][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3455.380410][ T73] net_rx_action+0x495/0xbe0 [ 3455.380410][ T73] __do_softirq+0x1b5/0x7f6 [ 3455.380410][ T73] [ 3455.382031][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.382031][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.382031][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.382031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.382031][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3455.382031][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3455.382031][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3455.382031][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3455.382031][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3455.382031][ T73] addrconf_dad_begin+0x310/0x670 [ 3455.382031][ T73] addrconf_dad_work+0x10b/0xab0 [ 3455.382031][ T73] process_one_work+0x84d/0x18a0 [ 3455.382031][ T73] worker_thread+0x587/0xd30 [ 3455.382031][ T73] kthread+0x28a/0x350 [ 3455.382031][ T73] ret_from_fork+0x31/0x70 [ 3455.382031][ T73] ret_from_fork_asm+0x1a/0x30 [ 3455.382031][ T73] [ 3455.383919][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.383919][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.383919][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.383919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.383919][ T73] ip6_route_add+0x1c/0x140 [ 3455.383919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3455.383919][ T73] inet6_addr_add+0x4f8/0xa40 [ 3455.383919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.383919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.383919][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.383919][ T73] netlink_unicast+0x449/0x710 [ 3455.383919][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.383919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.383919][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.383919][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.383919][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.383919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.383919][ T73] [ 3455.385907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.385907][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.385907][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.385907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.385907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3455.385907][ T73] ipv6_add_addr+0x411/0x2000 [ 3455.385907][ T73] inet6_addr_add+0x30e/0xa40 [ 3455.385907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.385907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.385907][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.385907][ T73] netlink_unicast+0x449/0x710 [ 3455.385907][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.385907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.385907][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.385907][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.385907][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.385907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.385907][ T73] [ 3455.387876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.387876][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.387876][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.387876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.387876][ T73] ip6_route_add+0x1c/0x140 [ 3455.387876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3455.387876][ T73] addrconf_add_dev+0xe2/0x170 [ 3455.387876][ T73] inet6_addr_add+0x12f/0xa40 [ 3455.387876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.387876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.387876][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.387876][ T73] netlink_unicast+0x449/0x710 [ 3455.387876][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.387876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.387876][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.387876][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.387876][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.387876][ T73] [ 3455.390216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.390216][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3455.390216][ T73] ipv6_find_idev+0x102/0x170 [ 3455.390216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.390216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.390216][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.390216][ T73] netlink_unicast+0x449/0x710 [ 3455.390216][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.390216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.390216][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.390216][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.390216][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.390216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.390216][ T73] [ 3455.391736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3455.391736][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3455.391736][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3455.391736][ T73] ipv6_find_idev+0x102/0x170 [ 3455.391736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.391736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.391736][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.391736][ T73] netlink_unicast+0x449/0x710 [ 3455.391736][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.391736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.391736][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.391736][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.391736][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.391736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.391736][ T73] [ 3455.393523][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3455.393789][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.393789][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3455.393789][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3455.393789][ T73] fib6_nh_init+0xa22/0x1580 [ 3455.393789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.393789][ T73] ip6_route_add+0x1c/0x140 [ 3455.393789][ T73] inet6_rtm_newroute+0x104/0x110 [ 3455.393789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.393789][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.393789][ T73] netlink_unicast+0x449/0x710 [ 3455.393789][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.393789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.393789][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.393789][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.393789][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.393789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.393789][ T73] [ 3455.395958][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.395958][ T73] dst_init+0x84/0x4a0 [ 3455.395958][ T73] dst_alloc+0x97/0x150 [ 3455.395958][ T73] ip6_dst_alloc+0x23/0x90 [ 3455.395958][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3455.395958][ T73] ip6_pol_route+0x56f/0x840 [ 3455.395958][ T73] fib6_rule_lookup+0x456/0x630 [ 3455.395958][ T73] ip6_route_input+0x59c/0xa50 [ 3455.395958][ T73] ipv6_rcv+0x397/0x810 [ 3455.395958][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3455.395958][ T73] process_backlog+0x101/0x620 [ 3455.395958][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3455.395958][ T73] net_rx_action+0x495/0xbe0 [ 3455.395958][ T73] __do_softirq+0x1b5/0x7f6 [ 3455.395958][ T73] [ 3455.397758][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.397758][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.397758][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.397758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.397758][ T73] ip6_route_add+0x1c/0x140 [ 3455.397758][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3455.397758][ T73] inet6_addr_add+0x4f8/0xa40 [ 3455.397758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.397758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.397758][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.397758][ T73] netlink_unicast+0x449/0x710 [ 3455.397758][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.397758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.397758][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.397758][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.397758][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.397758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.397758][ T73] [ 3455.399974][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.399974][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.399974][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.399974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.399974][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3455.399974][ T73] ipv6_add_addr+0x411/0x2000 [ 3455.399974][ T73] inet6_addr_add+0x30e/0xa40 [ 3455.399974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.399974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.399974][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.399974][ T73] netlink_unicast+0x449/0x710 [ 3455.399974][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.399974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.399974][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.399974][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.399974][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.399974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.399974][ T73] [ 3455.402124][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.402124][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.402124][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.402124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.402124][ T73] ip6_route_add+0x1c/0x140 [ 3455.402124][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3455.402124][ T73] addrconf_add_dev+0xe2/0x170 [ 3455.402124][ T73] inet6_addr_add+0x12f/0xa40 [ 3455.402124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.402124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.402124][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.402124][ T73] netlink_unicast+0x449/0x710 [ 3455.402124][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.402124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.402124][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.402124][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.402124][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.402124][ T73] [ 3455.404371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.404371][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3455.404371][ T73] ipv6_find_idev+0x102/0x170 [ 3455.404371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.404371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.404371][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.404371][ T73] netlink_unicast+0x449/0x710 [ 3455.404371][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.404371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.404371][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.404371][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.404371][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.404371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.404371][ T73] [ 3455.406079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3455.406079][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3455.406079][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3455.406079][ T73] ipv6_find_idev+0x102/0x170 [ 3455.406079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.406079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.406079][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.406079][ T73] netlink_unicast+0x449/0x710 [ 3455.406079][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.406079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.406079][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.406079][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.406079][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.406079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.406079][ T73] [ 3455.408002][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3455.408268][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3455.408268][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.408268][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.408268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.408268][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3455.408268][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3455.408268][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3455.408268][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3455.408268][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3455.408268][ T73] addrconf_dad_begin+0x310/0x670 [ 3455.408268][ T73] addrconf_dad_work+0x10b/0xab0 [ 3455.408268][ T73] process_one_work+0x84d/0x18a0 [ 3455.408268][ T73] worker_thread+0x587/0xd30 [ 3455.408268][ T73] kthread+0x28a/0x350 [ 3455.408268][ T73] ret_from_fork+0x31/0x70 [ 3455.408268][ T73] ret_from_fork_asm+0x1a/0x30 [ 3455.408268][ T73] [ 3455.410408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3455.410408][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.410408][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.410408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.410408][ T73] ip6_route_add+0x1c/0x140 [ 3455.410408][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3455.410408][ T73] inet6_addr_add+0x4f8/0xa40 [ 3455.410408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.410408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.410408][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.410408][ T73] netlink_unicast+0x449/0x710 [ 3455.410408][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.410408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.410408][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.410408][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.410408][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.410408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.410408][ T73] [ 3455.412557][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3455.412557][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.412557][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.412557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.412557][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3455.412557][ T73] ipv6_add_addr+0x411/0x2000 [ 3455.412557][ T73] inet6_addr_add+0x30e/0xa40 [ 3455.412557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.412557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.412557][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.412557][ T73] netlink_unicast+0x449/0x710 [ 3455.412557][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.412557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.412557][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.412557][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.412557][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.412557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.412557][ T73] [ 3455.414838][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3455.414838][ T73] netdev_get_by_index+0x5e/0x80 [ 3455.414838][ T73] fib6_nh_init+0x3d8/0x1580 [ 3455.414838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3455.414838][ T73] ip6_route_add+0x1c/0x140 [ 3455.414838][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3455.414838][ T73] addrconf_add_dev+0xe2/0x170 [ 3455.414838][ T73] inet6_addr_add+0x12f/0xa40 [ 3455.414838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.414838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.414838][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.414838][ T73] netlink_unicast+0x449/0x710 [ 3455.414838][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.414838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.414838][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.414838][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.414838][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.414838][ T73] [ 3455.417034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3455.417034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3455.417034][ T73] ipv6_find_idev+0x102/0x170 [ 3455.417034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.417034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.417034][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.417034][ T73] netlink_unicast+0x449/0x710 [ 3455.417034][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.417034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.417034][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.417034][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.417034][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.417034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.417034][ T73] [ 3455.418738][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3455.418738][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3455.418738][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3455.418738][ T73] ipv6_find_idev+0x102/0x170 [ 3455.418738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.418738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.418738][ T73] netlink_rcv_skb+0x130/0x360 [ 3455.418738][ T73] netlink_unicast+0x449/0x710 [ 3455.418738][ T73] netlink_sendmsg+0x723/0xbe0 [ 3455.418738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3455.418738][ T73] ___sys_sendmsg+0xee/0x170 [ 3455.418738][ T73] __sys_sendmsg+0xcd/0x170 [ 3455.418738][ T73] do_syscall_64+0xc6/0x1e0 [ 3455.418738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.418738][ T73] [ 3465.630883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3465.631332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.631332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3465.631332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3465.631332][ T73] fib6_nh_init+0xa22/0x1580 [ 3465.631332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.631332][ T73] ip6_route_add+0x1c/0x140 [ 3465.631332][ T73] inet6_rtm_newroute+0x104/0x110 [ 3465.631332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.631332][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.631332][ T73] netlink_unicast+0x449/0x710 [ 3465.631332][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.631332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.631332][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.631332][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.631332][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.631332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.631332][ T73] [ 3465.633210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.633210][ T73] dst_init+0x84/0x4a0 [ 3465.633210][ T73] dst_alloc+0x97/0x150 [ 3465.633210][ T73] ip6_dst_alloc+0x23/0x90 [ 3465.633210][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3465.633210][ T73] ip6_pol_route+0x56f/0x840 [ 3465.633210][ T73] fib6_rule_lookup+0x456/0x630 [ 3465.633210][ T73] ip6_route_input+0x59c/0xa50 [ 3465.633210][ T73] ipv6_rcv+0x397/0x810 [ 3465.633210][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3465.633210][ T73] process_backlog+0x101/0x620 [ 3465.633210][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3465.633210][ T73] net_rx_action+0x495/0xbe0 [ 3465.633210][ T73] __do_softirq+0x1b5/0x7f6 [ 3465.633210][ T73] [ 3465.634856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.634856][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.634856][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.634856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.634856][ T73] ip6_route_add+0x1c/0x140 [ 3465.634856][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3465.634856][ T73] inet6_addr_add+0x4f8/0xa40 [ 3465.634856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.634856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.634856][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.634856][ T73] netlink_unicast+0x449/0x710 [ 3465.634856][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.634856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.634856][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.634856][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.634856][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.634856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.634856][ T73] [ 3465.636841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.636841][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.636841][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.636841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.636841][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3465.636841][ T73] ipv6_add_addr+0x411/0x2000 [ 3465.636841][ T73] inet6_addr_add+0x30e/0xa40 [ 3465.636841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.636841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.636841][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.636841][ T73] netlink_unicast+0x449/0x710 [ 3465.636841][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.636841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.636841][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.636841][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.636841][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.636841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.636841][ T73] [ 3465.638829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.638829][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.638829][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.638829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.638829][ T73] ip6_route_add+0x1c/0x140 [ 3465.638829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3465.638829][ T73] addrconf_add_dev+0xe2/0x170 [ 3465.638829][ T73] inet6_addr_add+0x12f/0xa40 [ 3465.638829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.638829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.638829][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.638829][ T73] netlink_unicast+0x449/0x710 [ 3465.638829][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.638829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.638829][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.638829][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.638829][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.638829][ T73] [ 3465.640781][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.640781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3465.640781][ T73] ipv6_find_idev+0x102/0x170 [ 3465.640781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.640781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.640781][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.640781][ T73] netlink_unicast+0x449/0x710 [ 3465.640781][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.640781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.640781][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.640781][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.640781][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.640781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.640781][ T73] [ 3465.642311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3465.642311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3465.642311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3465.642311][ T73] ipv6_find_idev+0x102/0x170 [ 3465.642311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.642311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.642311][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.642311][ T73] netlink_unicast+0x449/0x710 [ 3465.642311][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.642311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.642311][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.642311][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.642311][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.642311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.642311][ T73] [ 3465.643987][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3465.644259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.644259][ T73] dst_init+0x84/0x4a0 [ 3465.644259][ T73] dst_alloc+0x97/0x150 [ 3465.644259][ T73] ip6_dst_alloc+0x23/0x90 [ 3465.644259][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3465.644259][ T73] ip6_pol_route+0x56f/0x840 [ 3465.644259][ T73] fib6_rule_lookup+0x456/0x630 [ 3465.644259][ T73] ip6_route_input+0x59c/0xa50 [ 3465.644259][ T73] ipv6_rcv+0x397/0x810 [ 3465.644259][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3465.644259][ T73] process_backlog+0x101/0x620 [ 3465.644259][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3465.644259][ T73] net_rx_action+0x495/0xbe0 [ 3465.644259][ T73] __do_softirq+0x1b5/0x7f6 [ 3465.644259][ T73] [ 3465.645884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.645884][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.645884][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.645884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.645884][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3465.645884][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3465.645884][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3465.645884][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3465.645884][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3465.645884][ T73] addrconf_dad_begin+0x310/0x670 [ 3465.645884][ T73] addrconf_dad_work+0x10b/0xab0 [ 3465.645884][ T73] process_one_work+0x84d/0x18a0 [ 3465.645884][ T73] worker_thread+0x587/0xd30 [ 3465.645884][ T73] kthread+0x28a/0x350 [ 3465.645884][ T73] ret_from_fork+0x31/0x70 [ 3465.645884][ T73] ret_from_fork_asm+0x1a/0x30 [ 3465.645884][ T73] [ 3465.647775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.647775][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.647775][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.647775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.647775][ T73] ip6_route_add+0x1c/0x140 [ 3465.647775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3465.647775][ T73] inet6_addr_add+0x4f8/0xa40 [ 3465.647775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.647775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.647775][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.647775][ T73] netlink_unicast+0x449/0x710 [ 3465.647775][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.647775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.647775][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.647775][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.647775][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.647775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.647775][ T73] [ 3465.649758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.649758][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.649758][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.649758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.649758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3465.649758][ T73] ipv6_add_addr+0x411/0x2000 [ 3465.649758][ T73] inet6_addr_add+0x30e/0xa40 [ 3465.649758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.649758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.649758][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.649758][ T73] netlink_unicast+0x449/0x710 [ 3465.649758][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.649758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.649758][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.649758][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.649758][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.649758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.649758][ T73] [ 3465.652138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.652138][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.652138][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.652138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.652138][ T73] ip6_route_add+0x1c/0x140 [ 3465.652138][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3465.652138][ T73] addrconf_add_dev+0xe2/0x170 [ 3465.652138][ T73] inet6_addr_add+0x12f/0xa40 [ 3465.652138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.652138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.652138][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.652138][ T73] netlink_unicast+0x449/0x710 [ 3465.652138][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.652138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.652138][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.652138][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.652138][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.652138][ T73] [ 3465.654082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.654082][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3465.654082][ T73] ipv6_find_idev+0x102/0x170 [ 3465.654082][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.654082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.654082][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.654082][ T73] netlink_unicast+0x449/0x710 [ 3465.654082][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.654082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.654082][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.654082][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.654082][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.654082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.654082][ T73] [ 3465.655612][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3465.655612][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3465.655612][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3465.655612][ T73] ipv6_find_idev+0x102/0x170 [ 3465.655612][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.655612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.655612][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.655612][ T73] netlink_unicast+0x449/0x710 [ 3465.655612][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.655612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.655612][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.655612][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.655612][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.655612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.655612][ T73] [ 3465.657408][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3465.657678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.657678][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3465.657678][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3465.657678][ T73] fib6_nh_init+0xa22/0x1580 [ 3465.657678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.657678][ T73] ip6_route_add+0x1c/0x140 [ 3465.657678][ T73] inet6_rtm_newroute+0x104/0x110 [ 3465.657678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.657678][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.657678][ T73] netlink_unicast+0x449/0x710 [ 3465.657678][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.657678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.657678][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.657678][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.657678][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.657678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.657678][ T73] [ 3465.659853][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.659853][ T73] dst_init+0x84/0x4a0 [ 3465.659853][ T73] dst_alloc+0x97/0x150 [ 3465.659853][ T73] ip6_dst_alloc+0x23/0x90 [ 3465.659853][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3465.659853][ T73] ip6_pol_route+0x56f/0x840 [ 3465.659853][ T73] fib6_rule_lookup+0x456/0x630 [ 3465.659853][ T73] ip6_route_input+0x59c/0xa50 [ 3465.659853][ T73] ipv6_rcv+0x397/0x810 [ 3465.659853][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3465.659853][ T73] process_backlog+0x101/0x620 [ 3465.659853][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3465.659853][ T73] net_rx_action+0x495/0xbe0 [ 3465.659853][ T73] __do_softirq+0x1b5/0x7f6 [ 3465.659853][ T73] [ 3465.661672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.661672][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.661672][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.661672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.661672][ T73] ip6_route_add+0x1c/0x140 [ 3465.661672][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3465.661672][ T73] inet6_addr_add+0x4f8/0xa40 [ 3465.661672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.661672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.661672][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.661672][ T73] netlink_unicast+0x449/0x710 [ 3465.661672][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.661672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.661672][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.661672][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.661672][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.661672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.661672][ T73] [ 3465.663906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.663906][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.663906][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.663906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.663906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3465.663906][ T73] ipv6_add_addr+0x411/0x2000 [ 3465.663906][ T73] inet6_addr_add+0x30e/0xa40 [ 3465.663906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.663906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.663906][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.663906][ T73] netlink_unicast+0x449/0x710 [ 3465.663906][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.663906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.663906][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.663906][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.663906][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.663906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.663906][ T73] [ 3465.666071][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.666071][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.666071][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.666071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.666071][ T73] ip6_route_add+0x1c/0x140 [ 3465.666071][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3465.666071][ T73] addrconf_add_dev+0xe2/0x170 [ 3465.666071][ T73] inet6_addr_add+0x12f/0xa40 [ 3465.666071][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.666071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.666071][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.666071][ T73] netlink_unicast+0x449/0x710 [ 3465.666071][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.666071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.666071][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.666071][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.666071][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.666071][ T73] [ 3465.668318][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.668318][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3465.668318][ T73] ipv6_find_idev+0x102/0x170 [ 3465.668318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.668318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.668318][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.668318][ T73] netlink_unicast+0x449/0x710 [ 3465.668318][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.668318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.668318][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.668318][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.668318][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.668318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.668318][ T73] [ 3465.670020][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3465.670020][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3465.670020][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3465.670020][ T73] ipv6_find_idev+0x102/0x170 [ 3465.670020][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.670020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.670020][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.670020][ T73] netlink_unicast+0x449/0x710 [ 3465.670020][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.670020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.670020][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.670020][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.670020][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.670020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.670020][ T73] [ 3465.671927][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3465.672193][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3465.672193][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.672193][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.672193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.672193][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3465.672193][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3465.672193][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3465.672193][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3465.672193][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3465.672193][ T73] addrconf_dad_begin+0x310/0x670 [ 3465.672193][ T73] addrconf_dad_work+0x10b/0xab0 [ 3465.672193][ T73] process_one_work+0x84d/0x18a0 [ 3465.672193][ T73] worker_thread+0x587/0xd30 [ 3465.672193][ T73] kthread+0x28a/0x350 [ 3465.672193][ T73] ret_from_fork+0x31/0x70 [ 3465.672193][ T73] ret_from_fork_asm+0x1a/0x30 [ 3465.672193][ T73] [ 3465.674324][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3465.674324][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.674324][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.674324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.674324][ T73] ip6_route_add+0x1c/0x140 [ 3465.674324][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3465.674324][ T73] inet6_addr_add+0x4f8/0xa40 [ 3465.674324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.674324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.674324][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.674324][ T73] netlink_unicast+0x449/0x710 [ 3465.674324][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.674324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.674324][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.674324][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.674324][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.674324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.674324][ T73] [ 3465.676496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3465.676496][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.676496][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.676496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.676496][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3465.676496][ T73] ipv6_add_addr+0x411/0x2000 [ 3465.676496][ T73] inet6_addr_add+0x30e/0xa40 [ 3465.676496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.676496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.676496][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.676496][ T73] netlink_unicast+0x449/0x710 [ 3465.676496][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.676496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.676496][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.676496][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.676496][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.676496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.676496][ T73] [ 3465.678778][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3465.678778][ T73] netdev_get_by_index+0x5e/0x80 [ 3465.678778][ T73] fib6_nh_init+0x3d8/0x1580 [ 3465.678778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3465.678778][ T73] ip6_route_add+0x1c/0x140 [ 3465.678778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3465.678778][ T73] addrconf_add_dev+0xe2/0x170 [ 3465.678778][ T73] inet6_addr_add+0x12f/0xa40 [ 3465.678778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3465.678778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.678778][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.678778][ T73] netlink_unicast+0x449/0x710 [ 3465.678778][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.678778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.678778][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.678778][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.678778][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.678778][ T73] [ 3465.680967][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3465.680967][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3465.680967][ T73] ipv6_find_idev+0x102/0x170 [ 3465.680967][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.680967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.680967][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.680967][ T73] netlink_unicast+0x449/0x710 [ 3465.680967][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.680967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.680967][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.680967][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.680967][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.680967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.680967][ T73] [ 3465.682672][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3465.682672][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3465.682672][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3465.682672][ T73] ipv6_find_idev+0x102/0x170 [ 3465.682672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3465.682672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3465.682672][ T73] netlink_rcv_skb+0x130/0x360 [ 3465.682672][ T73] netlink_unicast+0x449/0x710 [ 3465.682672][ T73] netlink_sendmsg+0x723/0xbe0 [ 3465.682672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3465.682672][ T73] ___sys_sendmsg+0xee/0x170 [ 3465.682672][ T73] __sys_sendmsg+0xcd/0x170 [ 3465.682672][ T73] do_syscall_64+0xc6/0x1e0 [ 3465.682672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3465.682672][ T73] [ 3475.774883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3475.775260][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.775260][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3475.775260][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3475.775260][ T73] fib6_nh_init+0xa22/0x1580 [ 3475.775260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.775260][ T73] ip6_route_add+0x1c/0x140 [ 3475.775260][ T73] inet6_rtm_newroute+0x104/0x110 [ 3475.775260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.775260][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.775260][ T73] netlink_unicast+0x449/0x710 [ 3475.775260][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.775260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.775260][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.775260][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.775260][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.775260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.775260][ T73] [ 3475.777167][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.777167][ T73] dst_init+0x84/0x4a0 [ 3475.777167][ T73] dst_alloc+0x97/0x150 [ 3475.777167][ T73] ip6_dst_alloc+0x23/0x90 [ 3475.777167][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3475.777167][ T73] ip6_pol_route+0x56f/0x840 [ 3475.777167][ T73] fib6_rule_lookup+0x456/0x630 [ 3475.777167][ T73] ip6_route_input+0x59c/0xa50 [ 3475.777167][ T73] ipv6_rcv+0x397/0x810 [ 3475.777167][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3475.777167][ T73] process_backlog+0x101/0x620 [ 3475.777167][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3475.777167][ T73] net_rx_action+0x495/0xbe0 [ 3475.777167][ T73] __do_softirq+0x1b5/0x7f6 [ 3475.777167][ T73] [ 3475.778798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.778798][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.778798][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.778798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.778798][ T73] ip6_route_add+0x1c/0x140 [ 3475.778798][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3475.778798][ T73] inet6_addr_add+0x4f8/0xa40 [ 3475.778798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.778798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.778798][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.778798][ T73] netlink_unicast+0x449/0x710 [ 3475.778798][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.778798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.778798][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.778798][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.778798][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.778798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.778798][ T73] [ 3475.780791][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.780791][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.780791][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.780791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.780791][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3475.780791][ T73] ipv6_add_addr+0x411/0x2000 [ 3475.780791][ T73] inet6_addr_add+0x30e/0xa40 [ 3475.780791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.780791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.780791][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.780791][ T73] netlink_unicast+0x449/0x710 [ 3475.780791][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.780791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.780791][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.780791][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.780791][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.780791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.780791][ T73] [ 3475.782782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.782782][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.782782][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.782782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.782782][ T73] ip6_route_add+0x1c/0x140 [ 3475.782782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3475.782782][ T73] addrconf_add_dev+0xe2/0x170 [ 3475.782782][ T73] inet6_addr_add+0x12f/0xa40 [ 3475.782782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.782782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.782782][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.782782][ T73] netlink_unicast+0x449/0x710 [ 3475.782782][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.782782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.782782][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.782782][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.782782][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.782782][ T73] [ 3475.785257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.785257][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3475.785257][ T73] ipv6_find_idev+0x102/0x170 [ 3475.785257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.785257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.785257][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.785257][ T73] netlink_unicast+0x449/0x710 [ 3475.785257][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.785257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.785257][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.785257][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.785257][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.785257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.785257][ T73] [ 3475.786788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3475.786788][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3475.786788][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3475.786788][ T73] ipv6_find_idev+0x102/0x170 [ 3475.786788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.786788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.786788][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.786788][ T73] netlink_unicast+0x449/0x710 [ 3475.786788][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.786788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.786788][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.786788][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.786788][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.786788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.786788][ T73] [ 3475.788466][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3475.788731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.788731][ T73] dst_init+0x84/0x4a0 [ 3475.788731][ T73] dst_alloc+0x97/0x150 [ 3475.788731][ T73] ip6_dst_alloc+0x23/0x90 [ 3475.788731][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3475.788731][ T73] ip6_pol_route+0x56f/0x840 [ 3475.788731][ T73] fib6_rule_lookup+0x456/0x630 [ 3475.788731][ T73] ip6_route_input+0x59c/0xa50 [ 3475.788731][ T73] ipv6_rcv+0x397/0x810 [ 3475.788731][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3475.788731][ T73] process_backlog+0x101/0x620 [ 3475.788731][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3475.788731][ T73] net_rx_action+0x495/0xbe0 [ 3475.788731][ T73] __do_softirq+0x1b5/0x7f6 [ 3475.788731][ T73] [ 3475.790371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.790371][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.790371][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.790371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.790371][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3475.790371][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3475.790371][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3475.790371][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3475.790371][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3475.790371][ T73] addrconf_dad_begin+0x310/0x670 [ 3475.790371][ T73] addrconf_dad_work+0x10b/0xab0 [ 3475.790371][ T73] process_one_work+0x84d/0x18a0 [ 3475.790371][ T73] worker_thread+0x587/0xd30 [ 3475.790371][ T73] kthread+0x28a/0x350 [ 3475.790371][ T73] ret_from_fork+0x31/0x70 [ 3475.790371][ T73] ret_from_fork_asm+0x1a/0x30 [ 3475.790371][ T73] [ 3475.792654][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.792654][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.792654][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.792654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.792654][ T73] ip6_route_add+0x1c/0x140 [ 3475.792654][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3475.792654][ T73] inet6_addr_add+0x4f8/0xa40 [ 3475.792654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.792654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.792654][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.792654][ T73] netlink_unicast+0x449/0x710 [ 3475.792654][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.792654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.792654][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.792654][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.792654][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.792654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.792654][ T73] [ 3475.794645][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.794645][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.794645][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.794645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.794645][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3475.794645][ T73] ipv6_add_addr+0x411/0x2000 [ 3475.794645][ T73] inet6_addr_add+0x30e/0xa40 [ 3475.794645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.794645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.794645][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.794645][ T73] netlink_unicast+0x449/0x710 [ 3475.794645][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.794645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.794645][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.794645][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.794645][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.794645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.794645][ T73] [ 3475.796631][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.796631][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.796631][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.796631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.796631][ T73] ip6_route_add+0x1c/0x140 [ 3475.796631][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3475.796631][ T73] addrconf_add_dev+0xe2/0x170 [ 3475.796631][ T73] inet6_addr_add+0x12f/0xa40 [ 3475.796631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.796631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.796631][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.796631][ T73] netlink_unicast+0x449/0x710 [ 3475.796631][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.796631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.796631][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.796631][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.796631][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.796631][ T73] [ 3475.798573][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.798573][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3475.798573][ T73] ipv6_find_idev+0x102/0x170 [ 3475.798573][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.798573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.798573][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.798573][ T73] netlink_unicast+0x449/0x710 [ 3475.798573][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.798573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.798573][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.798573][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.798573][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.798573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.798573][ T73] [ 3475.800097][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3475.800097][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3475.800097][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3475.800097][ T73] ipv6_find_idev+0x102/0x170 [ 3475.800097][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.800097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.800097][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.800097][ T73] netlink_unicast+0x449/0x710 [ 3475.800097][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.800097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.800097][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.800097][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.800097][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.800097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.800097][ T73] [ 3475.801888][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3475.802155][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.802155][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3475.802155][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3475.802155][ T73] fib6_nh_init+0xa22/0x1580 [ 3475.802155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.802155][ T73] ip6_route_add+0x1c/0x140 [ 3475.802155][ T73] inet6_rtm_newroute+0x104/0x110 [ 3475.802155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.802155][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.802155][ T73] netlink_unicast+0x449/0x710 [ 3475.802155][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.802155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.802155][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.802155][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.802155][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.802155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.802155][ T73] [ 3475.804330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.804330][ T73] dst_init+0x84/0x4a0 [ 3475.804330][ T73] dst_alloc+0x97/0x150 [ 3475.804330][ T73] ip6_dst_alloc+0x23/0x90 [ 3475.804330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3475.804330][ T73] ip6_pol_route+0x56f/0x840 [ 3475.804330][ T73] fib6_rule_lookup+0x456/0x630 [ 3475.804330][ T73] ip6_route_input+0x59c/0xa50 [ 3475.804330][ T73] ipv6_rcv+0x397/0x810 [ 3475.804330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3475.804330][ T73] process_backlog+0x101/0x620 [ 3475.804330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3475.804330][ T73] net_rx_action+0x495/0xbe0 [ 3475.804330][ T73] __do_softirq+0x1b5/0x7f6 [ 3475.804330][ T73] [ 3475.806133][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.806133][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.806133][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.806133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.806133][ T73] ip6_route_add+0x1c/0x140 [ 3475.806133][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3475.806133][ T73] inet6_addr_add+0x4f8/0xa40 [ 3475.806133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.806133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.806133][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.806133][ T73] netlink_unicast+0x449/0x710 [ 3475.806133][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.806133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.806133][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.806133][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.806133][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.806133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.806133][ T73] [ 3475.808369][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.808369][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.808369][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.808369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.808369][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3475.808369][ T73] ipv6_add_addr+0x411/0x2000 [ 3475.808369][ T73] inet6_addr_add+0x30e/0xa40 [ 3475.808369][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.808369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.808369][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.808369][ T73] netlink_unicast+0x449/0x710 [ 3475.808369][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.808369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.808369][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.808369][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.808369][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.808369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.808369][ T73] [ 3475.810527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.810527][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.810527][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.810527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.810527][ T73] ip6_route_add+0x1c/0x140 [ 3475.810527][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3475.810527][ T73] addrconf_add_dev+0xe2/0x170 [ 3475.810527][ T73] inet6_addr_add+0x12f/0xa40 [ 3475.810527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.810527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.810527][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.810527][ T73] netlink_unicast+0x449/0x710 [ 3475.810527][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.810527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.810527][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.810527][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.810527][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.810527][ T73] [ 3475.812783][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.812783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3475.812783][ T73] ipv6_find_idev+0x102/0x170 [ 3475.812783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.812783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.812783][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.812783][ T73] netlink_unicast+0x449/0x710 [ 3475.812783][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.812783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.812783][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.812783][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.812783][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.812783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.812783][ T73] [ 3475.814492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3475.814492][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3475.814492][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3475.814492][ T73] ipv6_find_idev+0x102/0x170 [ 3475.814492][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.814492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.814492][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.814492][ T73] netlink_unicast+0x449/0x710 [ 3475.814492][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.814492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.814492][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.814492][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.814492][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.814492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.814492][ T73] [ 3475.816411][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3475.816675][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3475.816675][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.816675][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.816675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.816675][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3475.816675][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3475.816675][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3475.816675][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3475.816675][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3475.816675][ T73] addrconf_dad_begin+0x310/0x670 [ 3475.816675][ T73] addrconf_dad_work+0x10b/0xab0 [ 3475.816675][ T73] process_one_work+0x84d/0x18a0 [ 3475.816675][ T73] worker_thread+0x587/0xd30 [ 3475.816675][ T73] kthread+0x28a/0x350 [ 3475.816675][ T73] ret_from_fork+0x31/0x70 [ 3475.816675][ T73] ret_from_fork_asm+0x1a/0x30 [ 3475.816675][ T73] [ 3475.818824][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3475.818824][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.818824][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.818824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.818824][ T73] ip6_route_add+0x1c/0x140 [ 3475.818824][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3475.818824][ T73] inet6_addr_add+0x4f8/0xa40 [ 3475.818824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.818824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.818824][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.818824][ T73] netlink_unicast+0x449/0x710 [ 3475.818824][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.818824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.818824][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.818824][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.818824][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.818824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.818824][ T73] [ 3475.821001][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3475.821001][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.821001][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.821001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.821001][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3475.821001][ T73] ipv6_add_addr+0x411/0x2000 [ 3475.821001][ T73] inet6_addr_add+0x30e/0xa40 [ 3475.821001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.821001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.821001][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.821001][ T73] netlink_unicast+0x449/0x710 [ 3475.821001][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.821001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.821001][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.821001][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.821001][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.821001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.821001][ T73] [ 3475.823280][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3475.823280][ T73] netdev_get_by_index+0x5e/0x80 [ 3475.823280][ T73] fib6_nh_init+0x3d8/0x1580 [ 3475.823280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3475.823280][ T73] ip6_route_add+0x1c/0x140 [ 3475.823280][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3475.823280][ T73] addrconf_add_dev+0xe2/0x170 [ 3475.823280][ T73] inet6_addr_add+0x12f/0xa40 [ 3475.823280][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3475.823280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.823280][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.823280][ T73] netlink_unicast+0x449/0x710 [ 3475.823280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.823280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.823280][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.823280][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.823280][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.823280][ T73] [ 3475.825488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3475.825488][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3475.825488][ T73] ipv6_find_idev+0x102/0x170 [ 3475.825488][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.825488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.825488][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.825488][ T73] netlink_unicast+0x449/0x710 [ 3475.825488][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.825488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.825488][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.825488][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.825488][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.825488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.825488][ T73] [ 3475.827194][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3475.827194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3475.827194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3475.827194][ T73] ipv6_find_idev+0x102/0x170 [ 3475.827194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3475.827194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3475.827194][ T73] netlink_rcv_skb+0x130/0x360 [ 3475.827194][ T73] netlink_unicast+0x449/0x710 [ 3475.827194][ T73] netlink_sendmsg+0x723/0xbe0 [ 3475.827194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3475.827194][ T73] ___sys_sendmsg+0xee/0x170 [ 3475.827194][ T73] __sys_sendmsg+0xcd/0x170 [ 3475.827194][ T73] do_syscall_64+0xc6/0x1e0 [ 3475.827194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3475.827194][ T73] [ 3486.070818][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3486.071216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.071216][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3486.071216][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3486.071216][ T73] fib6_nh_init+0xa22/0x1580 [ 3486.071216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.071216][ T73] ip6_route_add+0x1c/0x140 [ 3486.071216][ T73] inet6_rtm_newroute+0x104/0x110 [ 3486.071216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.071216][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.071216][ T73] netlink_unicast+0x449/0x710 [ 3486.071216][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.071216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.071216][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.071216][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.071216][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.071216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.071216][ T73] [ 3486.073103][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.073103][ T73] dst_init+0x84/0x4a0 [ 3486.073103][ T73] dst_alloc+0x97/0x150 [ 3486.073103][ T73] ip6_dst_alloc+0x23/0x90 [ 3486.073103][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3486.073103][ T73] ip6_pol_route+0x56f/0x840 [ 3486.073103][ T73] fib6_rule_lookup+0x456/0x630 [ 3486.073103][ T73] ip6_route_input+0x59c/0xa50 [ 3486.073103][ T73] ipv6_rcv+0x397/0x810 [ 3486.073103][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3486.073103][ T73] process_backlog+0x101/0x620 [ 3486.073103][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3486.073103][ T73] net_rx_action+0x495/0xbe0 [ 3486.073103][ T73] __do_softirq+0x1b5/0x7f6 [ 3486.073103][ T73] [ 3486.074738][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.074738][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.074738][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.074738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.074738][ T73] ip6_route_add+0x1c/0x140 [ 3486.074738][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3486.074738][ T73] inet6_addr_add+0x4f8/0xa40 [ 3486.074738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.074738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.074738][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.074738][ T73] netlink_unicast+0x449/0x710 [ 3486.074738][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.074738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.074738][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.074738][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.074738][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.074738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.074738][ T73] [ 3486.076746][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.076746][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.076746][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.076746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.076746][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3486.076746][ T73] ipv6_add_addr+0x411/0x2000 [ 3486.076746][ T73] inet6_addr_add+0x30e/0xa40 [ 3486.076746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.076746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.076746][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.076746][ T73] netlink_unicast+0x449/0x710 [ 3486.076746][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.076746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.076746][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.076746][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.076746][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.076746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.076746][ T73] [ 3486.078744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.078744][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.078744][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.078744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.078744][ T73] ip6_route_add+0x1c/0x140 [ 3486.078744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3486.078744][ T73] addrconf_add_dev+0xe2/0x170 [ 3486.078744][ T73] inet6_addr_add+0x12f/0xa40 [ 3486.078744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.078744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.078744][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.078744][ T73] netlink_unicast+0x449/0x710 [ 3486.078744][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.078744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.078744][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.078744][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.078744][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.078744][ T73] [ 3486.080718][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.080718][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3486.080718][ T73] ipv6_find_idev+0x102/0x170 [ 3486.080718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.080718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.080718][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.080718][ T73] netlink_unicast+0x449/0x710 [ 3486.080718][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.080718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.080718][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.080718][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.080718][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.080718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.080718][ T73] [ 3486.082280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3486.082280][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3486.082280][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3486.082280][ T73] ipv6_find_idev+0x102/0x170 [ 3486.082280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.082280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.082280][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.082280][ T73] netlink_unicast+0x449/0x710 [ 3486.082280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.082280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.082280][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.082280][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.082280][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.082280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.082280][ T73] [ 3486.083980][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3486.084255][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.084255][ T73] dst_init+0x84/0x4a0 [ 3486.084255][ T73] dst_alloc+0x97/0x150 [ 3486.084255][ T73] ip6_dst_alloc+0x23/0x90 [ 3486.084255][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3486.084255][ T73] ip6_pol_route+0x56f/0x840 [ 3486.084255][ T73] fib6_rule_lookup+0x456/0x630 [ 3486.084255][ T73] ip6_route_input+0x59c/0xa50 [ 3486.084255][ T73] ipv6_rcv+0x397/0x810 [ 3486.084255][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3486.084255][ T73] process_backlog+0x101/0x620 [ 3486.084255][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3486.084255][ T73] net_rx_action+0x495/0xbe0 [ 3486.084255][ T73] __do_softirq+0x1b5/0x7f6 [ 3486.084255][ T73] [ 3486.085916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.085916][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.085916][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.085916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.085916][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3486.085916][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3486.085916][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3486.085916][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3486.085916][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3486.085916][ T73] addrconf_dad_begin+0x310/0x670 [ 3486.085916][ T73] addrconf_dad_work+0x10b/0xab0 [ 3486.085916][ T73] process_one_work+0x84d/0x18a0 [ 3486.085916][ T73] worker_thread+0x587/0xd30 [ 3486.085916][ T73] kthread+0x28a/0x350 [ 3486.085916][ T73] ret_from_fork+0x31/0x70 [ 3486.085916][ T73] ret_from_fork_asm+0x1a/0x30 [ 3486.085916][ T73] [ 3486.087822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.087822][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.087822][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.087822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.087822][ T73] ip6_route_add+0x1c/0x140 [ 3486.087822][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3486.087822][ T73] inet6_addr_add+0x4f8/0xa40 [ 3486.087822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.087822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.087822][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.087822][ T73] netlink_unicast+0x449/0x710 [ 3486.087822][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.087822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.087822][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.087822][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.087822][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.087822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.087822][ T73] [ 3486.089818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.089818][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.089818][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.089818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.089818][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3486.089818][ T73] ipv6_add_addr+0x411/0x2000 [ 3486.089818][ T73] inet6_addr_add+0x30e/0xa40 [ 3486.089818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.089818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.089818][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.089818][ T73] netlink_unicast+0x449/0x710 [ 3486.089818][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.089818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.089818][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.089818][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.089818][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.089818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.089818][ T73] [ 3486.091814][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.091814][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.091814][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.091814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.091814][ T73] ip6_route_add+0x1c/0x140 [ 3486.091814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3486.091814][ T73] addrconf_add_dev+0xe2/0x170 [ 3486.091814][ T73] inet6_addr_add+0x12f/0xa40 [ 3486.091814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.091814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.091814][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.091814][ T73] netlink_unicast+0x449/0x710 [ 3486.091814][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.091814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.091814][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.091814][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.091814][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.091814][ T73] [ 3486.093779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.093779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3486.093779][ T73] ipv6_find_idev+0x102/0x170 [ 3486.093779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.093779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.093779][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.093779][ T73] netlink_unicast+0x449/0x710 [ 3486.093779][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.093779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.093779][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.093779][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.093779][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.093779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.093779][ T73] [ 3486.095330][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3486.095330][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3486.095330][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3486.095330][ T73] ipv6_find_idev+0x102/0x170 [ 3486.095330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.095330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.095330][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.095330][ T73] netlink_unicast+0x449/0x710 [ 3486.095330][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.095330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.095330][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.095330][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.095330][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.095330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.095330][ T73] [ 3486.097092][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3486.097358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.097358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3486.097358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3486.097358][ T73] fib6_nh_init+0xa22/0x1580 [ 3486.097358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.097358][ T73] ip6_route_add+0x1c/0x140 [ 3486.097358][ T73] inet6_rtm_newroute+0x104/0x110 [ 3486.097358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.097358][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.097358][ T73] netlink_unicast+0x449/0x710 [ 3486.097358][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.097358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.097358][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.097358][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.097358][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.097358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.097358][ T73] [ 3486.099803][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.099803][ T73] dst_init+0x84/0x4a0 [ 3486.099803][ T73] dst_alloc+0x97/0x150 [ 3486.099803][ T73] ip6_dst_alloc+0x23/0x90 [ 3486.099803][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3486.099803][ T73] ip6_pol_route+0x56f/0x840 [ 3486.099803][ T73] fib6_rule_lookup+0x456/0x630 [ 3486.099803][ T73] ip6_route_input+0x59c/0xa50 [ 3486.099803][ T73] ipv6_rcv+0x397/0x810 [ 3486.099803][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3486.099803][ T73] process_backlog+0x101/0x620 [ 3486.099803][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3486.099803][ T73] net_rx_action+0x495/0xbe0 [ 3486.099803][ T73] __do_softirq+0x1b5/0x7f6 [ 3486.099803][ T73] [ 3486.101508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.101508][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.101508][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.101508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.101508][ T73] ip6_route_add+0x1c/0x140 [ 3486.101508][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3486.101508][ T73] inet6_addr_add+0x4f8/0xa40 [ 3486.101508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.101508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.101508][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.101508][ T73] netlink_unicast+0x449/0x710 [ 3486.101508][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.101508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.101508][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.101508][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.101508][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.101508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.101508][ T73] [ 3486.103645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.103645][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.103645][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.103645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.103645][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3486.103645][ T73] ipv6_add_addr+0x411/0x2000 [ 3486.103645][ T73] inet6_addr_add+0x30e/0xa40 [ 3486.103645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.103645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.103645][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.103645][ T73] netlink_unicast+0x449/0x710 [ 3486.103645][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.103645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.103645][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.103645][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.103645][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.103645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.103645][ T73] [ 3486.105769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.105769][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.105769][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.105769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.105769][ T73] ip6_route_add+0x1c/0x140 [ 3486.105769][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3486.105769][ T73] addrconf_add_dev+0xe2/0x170 [ 3486.105769][ T73] inet6_addr_add+0x12f/0xa40 [ 3486.105769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.105769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.105769][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.105769][ T73] netlink_unicast+0x449/0x710 [ 3486.105769][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.105769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.105769][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.105769][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.105769][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.105769][ T73] [ 3486.107854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.107854][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3486.107854][ T73] ipv6_find_idev+0x102/0x170 [ 3486.107854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.107854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.107854][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.107854][ T73] netlink_unicast+0x449/0x710 [ 3486.107854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.107854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.107854][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.107854][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.107854][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.107854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.107854][ T73] [ 3486.109455][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3486.109455][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3486.109455][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3486.109455][ T73] ipv6_find_idev+0x102/0x170 [ 3486.109455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.109455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.109455][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.109455][ T73] netlink_unicast+0x449/0x710 [ 3486.109455][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.109455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.109455][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.109455][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.109455][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.109455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.109455][ T73] [ 3486.111277][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3486.111551][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3486.111551][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.111551][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.111551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.111551][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3486.111551][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3486.111551][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3486.111551][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3486.111551][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3486.111551][ T73] addrconf_dad_begin+0x310/0x670 [ 3486.111551][ T73] addrconf_dad_work+0x10b/0xab0 [ 3486.111551][ T73] process_one_work+0x84d/0x18a0 [ 3486.111551][ T73] worker_thread+0x587/0xd30 [ 3486.111551][ T73] kthread+0x28a/0x350 [ 3486.111551][ T73] ret_from_fork+0x31/0x70 [ 3486.111551][ T73] ret_from_fork_asm+0x1a/0x30 [ 3486.111551][ T73] [ 3486.113591][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3486.113591][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.113591][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.113591][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.113591][ T73] ip6_route_add+0x1c/0x140 [ 3486.113591][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3486.113591][ T73] inet6_addr_add+0x4f8/0xa40 [ 3486.113591][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.113591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.113591][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.113591][ T73] netlink_unicast+0x449/0x710 [ 3486.113591][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.113591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.113591][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.113591][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.113591][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.113591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.113591][ T73] [ 3486.115717][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3486.115717][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.115717][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.115717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.115717][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3486.115717][ T73] ipv6_add_addr+0x411/0x2000 [ 3486.115717][ T73] inet6_addr_add+0x30e/0xa40 [ 3486.115717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.115717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.115717][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.115717][ T73] netlink_unicast+0x449/0x710 [ 3486.115717][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.115717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.115717][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.115717][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.115717][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.115717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.115717][ T73] [ 3486.117844][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3486.117844][ T73] netdev_get_by_index+0x5e/0x80 [ 3486.117844][ T73] fib6_nh_init+0x3d8/0x1580 [ 3486.117844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3486.117844][ T73] ip6_route_add+0x1c/0x140 [ 3486.117844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3486.117844][ T73] addrconf_add_dev+0xe2/0x170 [ 3486.117844][ T73] inet6_addr_add+0x12f/0xa40 [ 3486.117844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.117844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.117844][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.117844][ T73] netlink_unicast+0x449/0x710 [ 3486.117844][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.117844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.117844][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.117844][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.117844][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.117844][ T73] [ 3486.119941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3486.119941][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3486.119941][ T73] ipv6_find_idev+0x102/0x170 [ 3486.119941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.119941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.119941][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.119941][ T73] netlink_unicast+0x449/0x710 [ 3486.119941][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.119941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.119941][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.119941][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.119941][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.119941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.119941][ T73] [ 3486.121544][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3486.121544][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3486.121544][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3486.121544][ T73] ipv6_find_idev+0x102/0x170 [ 3486.121544][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.121544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.121544][ T73] netlink_rcv_skb+0x130/0x360 [ 3486.121544][ T73] netlink_unicast+0x449/0x710 [ 3486.121544][ T73] netlink_sendmsg+0x723/0xbe0 [ 3486.121544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3486.121544][ T73] ___sys_sendmsg+0xee/0x170 [ 3486.121544][ T73] __sys_sendmsg+0xcd/0x170 [ 3486.121544][ T73] do_syscall_64+0xc6/0x1e0 [ 3486.121544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.121544][ T73] [ 3496.358895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3496.359381][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.359381][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3496.359381][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3496.359381][ T73] fib6_nh_init+0xa22/0x1580 [ 3496.359381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.359381][ T73] ip6_route_add+0x1c/0x140 [ 3496.359381][ T73] inet6_rtm_newroute+0x104/0x110 [ 3496.359381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.359381][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.359381][ T73] netlink_unicast+0x449/0x710 [ 3496.359381][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.359381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.359381][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.359381][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.359381][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.359381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.359381][ T73] [ 3496.361278][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.361278][ T73] dst_init+0x84/0x4a0 [ 3496.361278][ T73] dst_alloc+0x97/0x150 [ 3496.361278][ T73] ip6_dst_alloc+0x23/0x90 [ 3496.361278][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3496.361278][ T73] ip6_pol_route+0x56f/0x840 [ 3496.361278][ T73] fib6_rule_lookup+0x456/0x630 [ 3496.361278][ T73] ip6_route_input+0x59c/0xa50 [ 3496.361278][ T73] ipv6_rcv+0x397/0x810 [ 3496.361278][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3496.361278][ T73] process_backlog+0x101/0x620 [ 3496.361278][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3496.361278][ T73] net_rx_action+0x495/0xbe0 [ 3496.361278][ T73] __do_softirq+0x1b5/0x7f6 [ 3496.361278][ T73] [ 3496.362929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.362929][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.362929][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.362929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.362929][ T73] ip6_route_add+0x1c/0x140 [ 3496.362929][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3496.362929][ T73] inet6_addr_add+0x4f8/0xa40 [ 3496.362929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.362929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.362929][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.362929][ T73] netlink_unicast+0x449/0x710 [ 3496.362929][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.362929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.362929][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.362929][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.362929][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.362929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.362929][ T73] [ 3496.364952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.364952][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.364952][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.364952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.364952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3496.364952][ T73] ipv6_add_addr+0x411/0x2000 [ 3496.364952][ T73] inet6_addr_add+0x30e/0xa40 [ 3496.364952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.364952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.364952][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.364952][ T73] netlink_unicast+0x449/0x710 [ 3496.364952][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.364952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.364952][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.364952][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.364952][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.364952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.364952][ T73] [ 3496.366964][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.366964][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.366964][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.366964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.366964][ T73] ip6_route_add+0x1c/0x140 [ 3496.366964][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3496.366964][ T73] addrconf_add_dev+0xe2/0x170 [ 3496.366964][ T73] inet6_addr_add+0x12f/0xa40 [ 3496.366964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.366964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.366964][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.366964][ T73] netlink_unicast+0x449/0x710 [ 3496.366964][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.366964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.366964][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.366964][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.366964][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.366964][ T73] [ 3496.368934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.368934][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3496.368934][ T73] ipv6_find_idev+0x102/0x170 [ 3496.368934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.368934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.368934][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.368934][ T73] netlink_unicast+0x449/0x710 [ 3496.368934][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.368934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.368934][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.368934][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.368934][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.368934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.368934][ T73] [ 3496.370487][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3496.370487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3496.370487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3496.370487][ T73] ipv6_find_idev+0x102/0x170 [ 3496.370487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.370487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.370487][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.370487][ T73] netlink_unicast+0x449/0x710 [ 3496.370487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.370487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.370487][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.370487][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.370487][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.370487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.370487][ T73] [ 3496.372194][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3496.372884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.372884][ T73] dst_init+0x84/0x4a0 [ 3496.372884][ T73] dst_alloc+0x97/0x150 [ 3496.372884][ T73] ip6_dst_alloc+0x23/0x90 [ 3496.372884][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3496.372884][ T73] ip6_pol_route+0x56f/0x840 [ 3496.372884][ T73] fib6_rule_lookup+0x456/0x630 [ 3496.372884][ T73] ip6_route_input+0x59c/0xa50 [ 3496.372884][ T73] ipv6_rcv+0x397/0x810 [ 3496.372884][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3496.372884][ T73] process_backlog+0x101/0x620 [ 3496.372884][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3496.372884][ T73] net_rx_action+0x495/0xbe0 [ 3496.372884][ T73] __do_softirq+0x1b5/0x7f6 [ 3496.372884][ T73] [ 3496.374551][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.374551][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.374551][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.374551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.374551][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3496.374551][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3496.374551][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3496.374551][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3496.374551][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3496.374551][ T73] addrconf_dad_begin+0x310/0x670 [ 3496.374551][ T73] addrconf_dad_work+0x10b/0xab0 [ 3496.374551][ T73] process_one_work+0x84d/0x18a0 [ 3496.374551][ T73] worker_thread+0x587/0xd30 [ 3496.374551][ T73] kthread+0x28a/0x350 [ 3496.374551][ T73] ret_from_fork+0x31/0x70 [ 3496.374551][ T73] ret_from_fork_asm+0x1a/0x30 [ 3496.374551][ T73] [ 3496.376466][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.376466][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.376466][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.376466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.376466][ T73] ip6_route_add+0x1c/0x140 [ 3496.376466][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3496.376466][ T73] inet6_addr_add+0x4f8/0xa40 [ 3496.376466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.376466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.376466][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.376466][ T73] netlink_unicast+0x449/0x710 [ 3496.376466][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.376466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.376466][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.376466][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.376466][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.376466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.376466][ T73] [ 3496.378473][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.378473][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.378473][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.378473][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.378473][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3496.378473][ T73] ipv6_add_addr+0x411/0x2000 [ 3496.378473][ T73] inet6_addr_add+0x30e/0xa40 [ 3496.378473][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.378473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.378473][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.378473][ T73] netlink_unicast+0x449/0x710 [ 3496.378473][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.378473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.378473][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.378473][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.378473][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.378473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.378473][ T73] [ 3496.380477][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.380477][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.380477][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.380477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.380477][ T73] ip6_route_add+0x1c/0x140 [ 3496.380477][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3496.380477][ T73] addrconf_add_dev+0xe2/0x170 [ 3496.380477][ T73] inet6_addr_add+0x12f/0xa40 [ 3496.380477][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.380477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.380477][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.380477][ T73] netlink_unicast+0x449/0x710 [ 3496.380477][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.380477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.380477][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.380477][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.380477][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.380477][ T73] [ 3496.382445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.382445][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3496.382445][ T73] ipv6_find_idev+0x102/0x170 [ 3496.382445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.382445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.382445][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.382445][ T73] netlink_unicast+0x449/0x710 [ 3496.382445][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.382445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.382445][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.382445][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.382445][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.382445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.382445][ T73] [ 3496.383987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3496.383987][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3496.383987][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3496.383987][ T73] ipv6_find_idev+0x102/0x170 [ 3496.383987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.383987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.383987][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.383987][ T73] netlink_unicast+0x449/0x710 [ 3496.383987][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.383987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.383987][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.383987][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.383987][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.383987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.383987][ T73] [ 3496.385815][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3496.386086][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.386086][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3496.386086][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3496.386086][ T73] fib6_nh_init+0xa22/0x1580 [ 3496.386086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.386086][ T73] ip6_route_add+0x1c/0x140 [ 3496.386086][ T73] inet6_rtm_newroute+0x104/0x110 [ 3496.386086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.386086][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.386086][ T73] netlink_unicast+0x449/0x710 [ 3496.386086][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.386086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.386086][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.386086][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.386086][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.386086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.386086][ T73] [ 3496.388230][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.388230][ T73] dst_init+0x84/0x4a0 [ 3496.388230][ T73] dst_alloc+0x97/0x150 [ 3496.388230][ T73] ip6_dst_alloc+0x23/0x90 [ 3496.388230][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3496.388230][ T73] ip6_pol_route+0x56f/0x840 [ 3496.388230][ T73] fib6_rule_lookup+0x456/0x630 [ 3496.388230][ T73] ip6_route_input+0x59c/0xa50 [ 3496.388230][ T73] ipv6_rcv+0x397/0x810 [ 3496.388230][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3496.388230][ T73] process_backlog+0x101/0x620 [ 3496.388230][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3496.388230][ T73] net_rx_action+0x495/0xbe0 [ 3496.388230][ T73] __do_softirq+0x1b5/0x7f6 [ 3496.388230][ T73] [ 3496.390044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.390044][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.390044][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.390044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.390044][ T73] ip6_route_add+0x1c/0x140 [ 3496.390044][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3496.390044][ T73] inet6_addr_add+0x4f8/0xa40 [ 3496.390044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.390044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.390044][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.390044][ T73] netlink_unicast+0x449/0x710 [ 3496.390044][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.390044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.390044][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.390044][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.390044][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.390044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.390044][ T73] [ 3496.392342][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.392342][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.392342][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.392342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.392342][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3496.392342][ T73] ipv6_add_addr+0x411/0x2000 [ 3496.392342][ T73] inet6_addr_add+0x30e/0xa40 [ 3496.392342][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.392342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.392342][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.392342][ T73] netlink_unicast+0x449/0x710 [ 3496.392342][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.392342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.392342][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.392342][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.392342][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.392342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.392342][ T73] [ 3496.394587][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.394587][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.394587][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.394587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.394587][ T73] ip6_route_add+0x1c/0x140 [ 3496.394587][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3496.394587][ T73] addrconf_add_dev+0xe2/0x170 [ 3496.394587][ T73] inet6_addr_add+0x12f/0xa40 [ 3496.394587][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.394587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.394587][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.394587][ T73] netlink_unicast+0x449/0x710 [ 3496.394587][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.394587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.394587][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.394587][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.394587][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.394587][ T73] [ 3496.396734][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.396734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3496.396734][ T73] ipv6_find_idev+0x102/0x170 [ 3496.396734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.396734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.396734][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.396734][ T73] netlink_unicast+0x449/0x710 [ 3496.396734][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.396734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.396734][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.396734][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.396734][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.396734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.396734][ T73] [ 3496.398451][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3496.398451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3496.398451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3496.398451][ T73] ipv6_find_idev+0x102/0x170 [ 3496.398451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.398451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.398451][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.398451][ T73] netlink_unicast+0x449/0x710 [ 3496.398451][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.398451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.398451][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.398451][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.398451][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.398451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.398451][ T73] [ 3496.400420][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3496.400695][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3496.400695][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.400695][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.400695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.400695][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3496.400695][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3496.400695][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3496.400695][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3496.400695][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3496.400695][ T73] addrconf_dad_begin+0x310/0x670 [ 3496.400695][ T73] addrconf_dad_work+0x10b/0xab0 [ 3496.400695][ T73] process_one_work+0x84d/0x18a0 [ 3496.400695][ T73] worker_thread+0x587/0xd30 [ 3496.400695][ T73] kthread+0x28a/0x350 [ 3496.400695][ T73] ret_from_fork+0x31/0x70 [ 3496.400695][ T73] ret_from_fork_asm+0x1a/0x30 [ 3496.400695][ T73] [ 3496.402851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3496.402851][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.402851][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.402851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.402851][ T73] ip6_route_add+0x1c/0x140 [ 3496.402851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3496.402851][ T73] inet6_addr_add+0x4f8/0xa40 [ 3496.402851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.402851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.402851][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.402851][ T73] netlink_unicast+0x449/0x710 [ 3496.402851][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.402851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.402851][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.402851][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.402851][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.402851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.402851][ T73] [ 3496.405042][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3496.405042][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.405042][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.405042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.405042][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3496.405042][ T73] ipv6_add_addr+0x411/0x2000 [ 3496.405042][ T73] inet6_addr_add+0x30e/0xa40 [ 3496.405042][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.405042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.405042][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.405042][ T73] netlink_unicast+0x449/0x710 [ 3496.405042][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.405042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.405042][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.405042][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.405042][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.405042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.405042][ T73] [ 3496.407280][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3496.407280][ T73] netdev_get_by_index+0x5e/0x80 [ 3496.407280][ T73] fib6_nh_init+0x3d8/0x1580 [ 3496.407280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3496.407280][ T73] ip6_route_add+0x1c/0x140 [ 3496.407280][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3496.407280][ T73] addrconf_add_dev+0xe2/0x170 [ 3496.407280][ T73] inet6_addr_add+0x12f/0xa40 [ 3496.407280][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3496.407280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.407280][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.407280][ T73] netlink_unicast+0x449/0x710 [ 3496.407280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.407280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.407280][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.407280][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.407280][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.407280][ T73] [ 3496.409485][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3496.409485][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3496.409485][ T73] ipv6_find_idev+0x102/0x170 [ 3496.409485][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.409485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.409485][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.409485][ T73] netlink_unicast+0x449/0x710 [ 3496.409485][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.409485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.409485][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.409485][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.409485][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.409485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.409485][ T73] [ 3496.411265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3496.411265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3496.411265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3496.411265][ T73] ipv6_find_idev+0x102/0x170 [ 3496.411265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3496.411265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3496.411265][ T73] netlink_rcv_skb+0x130/0x360 [ 3496.411265][ T73] netlink_unicast+0x449/0x710 [ 3496.411265][ T73] netlink_sendmsg+0x723/0xbe0 [ 3496.411265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3496.411265][ T73] ___sys_sendmsg+0xee/0x170 [ 3496.411265][ T73] __sys_sendmsg+0xcd/0x170 [ 3496.411265][ T73] do_syscall_64+0xc6/0x1e0 [ 3496.411265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3496.411265][ T73] [ 3506.430892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3506.431375][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.431375][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3506.431375][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3506.431375][ T73] fib6_nh_init+0xa22/0x1580 [ 3506.431375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.431375][ T73] ip6_route_add+0x1c/0x140 [ 3506.431375][ T73] inet6_rtm_newroute+0x104/0x110 [ 3506.431375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.431375][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.431375][ T73] netlink_unicast+0x449/0x710 [ 3506.431375][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.431375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.431375][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.431375][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.431375][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.431375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.431375][ T73] [ 3506.433262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.433262][ T73] dst_init+0x84/0x4a0 [ 3506.433262][ T73] dst_alloc+0x97/0x150 [ 3506.433262][ T73] ip6_dst_alloc+0x23/0x90 [ 3506.433262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3506.433262][ T73] ip6_pol_route+0x56f/0x840 [ 3506.433262][ T73] fib6_rule_lookup+0x456/0x630 [ 3506.433262][ T73] ip6_route_input+0x59c/0xa50 [ 3506.433262][ T73] ipv6_rcv+0x397/0x810 [ 3506.433262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3506.433262][ T73] process_backlog+0x101/0x620 [ 3506.433262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3506.433262][ T73] net_rx_action+0x495/0xbe0 [ 3506.433262][ T73] __do_softirq+0x1b5/0x7f6 [ 3506.433262][ T73] [ 3506.435017][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.435017][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.435017][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.435017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.435017][ T73] ip6_route_add+0x1c/0x140 [ 3506.435017][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3506.435017][ T73] inet6_addr_add+0x4f8/0xa40 [ 3506.435017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.435017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.435017][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.435017][ T73] netlink_unicast+0x449/0x710 [ 3506.435017][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.435017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.435017][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.435017][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.435017][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.435017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.435017][ T73] [ 3506.437014][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.437014][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.437014][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.437014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.437014][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3506.437014][ T73] ipv6_add_addr+0x411/0x2000 [ 3506.437014][ T73] inet6_addr_add+0x30e/0xa40 [ 3506.437014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.437014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.437014][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.437014][ T73] netlink_unicast+0x449/0x710 [ 3506.437014][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.437014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.437014][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.437014][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.437014][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.437014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.437014][ T73] [ 3506.439006][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.439006][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.439006][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.439006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.439006][ T73] ip6_route_add+0x1c/0x140 [ 3506.439006][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3506.439006][ T73] addrconf_add_dev+0xe2/0x170 [ 3506.439006][ T73] inet6_addr_add+0x12f/0xa40 [ 3506.439006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.439006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.439006][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.439006][ T73] netlink_unicast+0x449/0x710 [ 3506.439006][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.439006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.439006][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.439006][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.439006][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.439006][ T73] [ 3506.440978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.440978][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3506.440978][ T73] ipv6_find_idev+0x102/0x170 [ 3506.440978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.440978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.440978][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.440978][ T73] netlink_unicast+0x449/0x710 [ 3506.440978][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.440978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.440978][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.440978][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.440978][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.440978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.440978][ T73] [ 3506.442511][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3506.442511][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3506.442511][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3506.442511][ T73] ipv6_find_idev+0x102/0x170 [ 3506.442511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.442511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.442511][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.442511][ T73] netlink_unicast+0x449/0x710 [ 3506.442511][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.442511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.442511][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.442511][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.442511][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.442511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.442511][ T73] [ 3506.444192][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3506.444461][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.444461][ T73] dst_init+0x84/0x4a0 [ 3506.444461][ T73] dst_alloc+0x97/0x150 [ 3506.444461][ T73] ip6_dst_alloc+0x23/0x90 [ 3506.444461][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3506.444461][ T73] ip6_pol_route+0x56f/0x840 [ 3506.444461][ T73] fib6_rule_lookup+0x456/0x630 [ 3506.444461][ T73] ip6_route_input+0x59c/0xa50 [ 3506.444461][ T73] ipv6_rcv+0x397/0x810 [ 3506.444461][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3506.444461][ T73] process_backlog+0x101/0x620 [ 3506.444461][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3506.444461][ T73] net_rx_action+0x495/0xbe0 [ 3506.444461][ T73] __do_softirq+0x1b5/0x7f6 [ 3506.444461][ T73] [ 3506.446088][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.446088][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.446088][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.446088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.446088][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3506.446088][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3506.446088][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3506.446088][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3506.446088][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3506.446088][ T73] addrconf_dad_begin+0x310/0x670 [ 3506.446088][ T73] addrconf_dad_work+0x10b/0xab0 [ 3506.446088][ T73] process_one_work+0x84d/0x18a0 [ 3506.446088][ T73] worker_thread+0x587/0xd30 [ 3506.446088][ T73] kthread+0x28a/0x350 [ 3506.446088][ T73] ret_from_fork+0x31/0x70 [ 3506.446088][ T73] ret_from_fork_asm+0x1a/0x30 [ 3506.446088][ T73] [ 3506.447988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.447988][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.447988][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.447988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.447988][ T73] ip6_route_add+0x1c/0x140 [ 3506.447988][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3506.447988][ T73] inet6_addr_add+0x4f8/0xa40 [ 3506.447988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.447988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.447988][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.447988][ T73] netlink_unicast+0x449/0x710 [ 3506.447988][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.447988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.447988][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.447988][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.447988][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.447988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.447988][ T73] [ 3506.449972][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.449972][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.449972][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.449972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.449972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3506.449972][ T73] ipv6_add_addr+0x411/0x2000 [ 3506.449972][ T73] inet6_addr_add+0x30e/0xa40 [ 3506.449972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.449972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.449972][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.449972][ T73] netlink_unicast+0x449/0x710 [ 3506.449972][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.449972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.449972][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.449972][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.449972][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.449972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.449972][ T73] [ 3506.451961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.451961][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.451961][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.451961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.451961][ T73] ip6_route_add+0x1c/0x140 [ 3506.451961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3506.451961][ T73] addrconf_add_dev+0xe2/0x170 [ 3506.451961][ T73] inet6_addr_add+0x12f/0xa40 [ 3506.451961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.451961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.451961][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.451961][ T73] netlink_unicast+0x449/0x710 [ 3506.451961][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.451961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.451961][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.451961][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.451961][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.451961][ T73] [ 3506.453919][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.453919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3506.453919][ T73] ipv6_find_idev+0x102/0x170 [ 3506.453919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.453919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.453919][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.453919][ T73] netlink_unicast+0x449/0x710 [ 3506.453919][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.453919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.453919][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.453919][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.453919][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.453919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.453919][ T73] [ 3506.455448][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3506.455448][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3506.455448][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3506.455448][ T73] ipv6_find_idev+0x102/0x170 [ 3506.455448][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.455448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.455448][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.455448][ T73] netlink_unicast+0x449/0x710 [ 3506.455448][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.455448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.455448][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.455448][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.455448][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.455448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.455448][ T73] [ 3506.457237][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3506.457516][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.457516][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3506.457516][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3506.457516][ T73] fib6_nh_init+0xa22/0x1580 [ 3506.457516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.457516][ T73] ip6_route_add+0x1c/0x140 [ 3506.457516][ T73] inet6_rtm_newroute+0x104/0x110 [ 3506.457516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.457516][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.457516][ T73] netlink_unicast+0x449/0x710 [ 3506.457516][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.457516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.457516][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.457516][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.457516][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.457516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.457516][ T73] [ 3506.459681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.459681][ T73] dst_init+0x84/0x4a0 [ 3506.459681][ T73] dst_alloc+0x97/0x150 [ 3506.459681][ T73] ip6_dst_alloc+0x23/0x90 [ 3506.459681][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3506.459681][ T73] ip6_pol_route+0x56f/0x840 [ 3506.459681][ T73] fib6_rule_lookup+0x456/0x630 [ 3506.459681][ T73] ip6_route_input+0x59c/0xa50 [ 3506.459681][ T73] ipv6_rcv+0x397/0x810 [ 3506.459681][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3506.459681][ T73] process_backlog+0x101/0x620 [ 3506.459681][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3506.459681][ T73] net_rx_action+0x495/0xbe0 [ 3506.459681][ T73] __do_softirq+0x1b5/0x7f6 [ 3506.459681][ T73] [ 3506.461475][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.461475][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.461475][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.461475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.461475][ T73] ip6_route_add+0x1c/0x140 [ 3506.461475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3506.461475][ T73] inet6_addr_add+0x4f8/0xa40 [ 3506.461475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.461475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.461475][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.461475][ T73] netlink_unicast+0x449/0x710 [ 3506.461475][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.461475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.461475][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.461475][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.461475][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.461475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.461475][ T73] [ 3506.463695][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.463695][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.463695][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.463695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.463695][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3506.463695][ T73] ipv6_add_addr+0x411/0x2000 [ 3506.463695][ T73] inet6_addr_add+0x30e/0xa40 [ 3506.463695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.463695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.463695][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.463695][ T73] netlink_unicast+0x449/0x710 [ 3506.463695][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.463695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.463695][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.463695][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.463695][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.463695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.463695][ T73] [ 3506.465923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.465923][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.465923][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.465923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.465923][ T73] ip6_route_add+0x1c/0x140 [ 3506.465923][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3506.465923][ T73] addrconf_add_dev+0xe2/0x170 [ 3506.465923][ T73] inet6_addr_add+0x12f/0xa40 [ 3506.465923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.465923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.465923][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.465923][ T73] netlink_unicast+0x449/0x710 [ 3506.465923][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.465923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.465923][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.465923][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.465923][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.465923][ T73] [ 3506.468165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.468165][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3506.468165][ T73] ipv6_find_idev+0x102/0x170 [ 3506.468165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.468165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.468165][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.468165][ T73] netlink_unicast+0x449/0x710 [ 3506.468165][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.468165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.468165][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.468165][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.468165][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.468165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.468165][ T73] [ 3506.469866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3506.469866][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3506.469866][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3506.469866][ T73] ipv6_find_idev+0x102/0x170 [ 3506.469866][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.469866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.469866][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.469866][ T73] netlink_unicast+0x449/0x710 [ 3506.469866][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.469866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.469866][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.469866][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.469866][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.469866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.469866][ T73] [ 3506.471728][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3506.472001][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3506.472001][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.472001][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.472001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.472001][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3506.472001][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3506.472001][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3506.472001][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3506.472001][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3506.472001][ T73] addrconf_dad_begin+0x310/0x670 [ 3506.472001][ T73] addrconf_dad_work+0x10b/0xab0 [ 3506.472001][ T73] process_one_work+0x84d/0x18a0 [ 3506.472001][ T73] worker_thread+0x587/0xd30 [ 3506.472001][ T73] kthread+0x28a/0x350 [ 3506.472001][ T73] ret_from_fork+0x31/0x70 [ 3506.472001][ T73] ret_from_fork_asm+0x1a/0x30 [ 3506.472001][ T73] [ 3506.474132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3506.474132][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.474132][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.474132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.474132][ T73] ip6_route_add+0x1c/0x140 [ 3506.474132][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3506.474132][ T73] inet6_addr_add+0x4f8/0xa40 [ 3506.474132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.474132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.474132][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.474132][ T73] netlink_unicast+0x449/0x710 [ 3506.474132][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.474132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.474132][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.474132][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.474132][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.474132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.474132][ T73] [ 3506.476372][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3506.476372][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.476372][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.476372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.476372][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3506.476372][ T73] ipv6_add_addr+0x411/0x2000 [ 3506.476372][ T73] inet6_addr_add+0x30e/0xa40 [ 3506.476372][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.476372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.476372][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.476372][ T73] netlink_unicast+0x449/0x710 [ 3506.476372][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.476372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.476372][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.476372][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.476372][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.476372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.476372][ T73] [ 3506.478649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3506.478649][ T73] netdev_get_by_index+0x5e/0x80 [ 3506.478649][ T73] fib6_nh_init+0x3d8/0x1580 [ 3506.478649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3506.478649][ T73] ip6_route_add+0x1c/0x140 [ 3506.478649][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3506.478649][ T73] addrconf_add_dev+0xe2/0x170 [ 3506.478649][ T73] inet6_addr_add+0x12f/0xa40 [ 3506.478649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3506.478649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.478649][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.478649][ T73] netlink_unicast+0x449/0x710 [ 3506.478649][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.478649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.478649][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.478649][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.478649][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.478649][ T73] [ 3506.480768][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3506.480768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3506.480768][ T73] ipv6_find_idev+0x102/0x170 [ 3506.480768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.480768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.480768][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.480768][ T73] netlink_unicast+0x449/0x710 [ 3506.480768][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.480768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.480768][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.480768][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.480768][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.480768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.480768][ T73] [ 3506.482986][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3506.482986][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3506.482986][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3506.482986][ T73] ipv6_find_idev+0x102/0x170 [ 3506.482986][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3506.482986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3506.482986][ T73] netlink_rcv_skb+0x130/0x360 [ 3506.482986][ T73] netlink_unicast+0x449/0x710 [ 3506.482986][ T73] netlink_sendmsg+0x723/0xbe0 [ 3506.482986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3506.482986][ T73] ___sys_sendmsg+0xee/0x170 [ 3506.482986][ T73] __sys_sendmsg+0xcd/0x170 [ 3506.482986][ T73] do_syscall_64+0xc6/0x1e0 [ 3506.482986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3506.482986][ T73] [ 3516.702886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3516.703332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.703332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3516.703332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3516.703332][ T73] fib6_nh_init+0xa22/0x1580 [ 3516.703332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.703332][ T73] ip6_route_add+0x1c/0x140 [ 3516.703332][ T73] inet6_rtm_newroute+0x104/0x110 [ 3516.703332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.703332][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.703332][ T73] netlink_unicast+0x449/0x710 [ 3516.703332][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.703332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.703332][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.703332][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.703332][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.703332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.703332][ T73] [ 3516.705211][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.705211][ T73] dst_init+0x84/0x4a0 [ 3516.705211][ T73] dst_alloc+0x97/0x150 [ 3516.705211][ T73] ip6_dst_alloc+0x23/0x90 [ 3516.705211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3516.705211][ T73] ip6_pol_route+0x56f/0x840 [ 3516.705211][ T73] fib6_rule_lookup+0x456/0x630 [ 3516.705211][ T73] ip6_route_input+0x59c/0xa50 [ 3516.705211][ T73] ipv6_rcv+0x397/0x810 [ 3516.705211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3516.705211][ T73] process_backlog+0x101/0x620 [ 3516.705211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3516.705211][ T73] net_rx_action+0x495/0xbe0 [ 3516.705211][ T73] __do_softirq+0x1b5/0x7f6 [ 3516.705211][ T73] [ 3516.706843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.706843][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.706843][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.706843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.706843][ T73] ip6_route_add+0x1c/0x140 [ 3516.706843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3516.706843][ T73] inet6_addr_add+0x4f8/0xa40 [ 3516.706843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.706843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.706843][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.706843][ T73] netlink_unicast+0x449/0x710 [ 3516.706843][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.706843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.706843][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.706843][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.706843][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.706843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.706843][ T73] [ 3516.708825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.708825][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.708825][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.708825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.708825][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3516.708825][ T73] ipv6_add_addr+0x411/0x2000 [ 3516.708825][ T73] inet6_addr_add+0x30e/0xa40 [ 3516.708825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.708825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.708825][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.708825][ T73] netlink_unicast+0x449/0x710 [ 3516.708825][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.708825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.708825][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.708825][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.708825][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.708825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.708825][ T73] [ 3516.710802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.710802][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.710802][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.710802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.710802][ T73] ip6_route_add+0x1c/0x140 [ 3516.710802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3516.710802][ T73] addrconf_add_dev+0xe2/0x170 [ 3516.710802][ T73] inet6_addr_add+0x12f/0xa40 [ 3516.710802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.710802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.710802][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.710802][ T73] netlink_unicast+0x449/0x710 [ 3516.710802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.710802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.710802][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.710802][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.710802][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.710802][ T73] [ 3516.712751][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.712751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3516.712751][ T73] ipv6_find_idev+0x102/0x170 [ 3516.712751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.712751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.712751][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.712751][ T73] netlink_unicast+0x449/0x710 [ 3516.712751][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.712751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.712751][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.712751][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.712751][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.712751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.712751][ T73] [ 3516.714293][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3516.714293][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3516.714293][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3516.714293][ T73] ipv6_find_idev+0x102/0x170 [ 3516.714293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.714293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.714293][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.714293][ T73] netlink_unicast+0x449/0x710 [ 3516.714293][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.714293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.714293][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.714293][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.714293][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.714293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.714293][ T73] [ 3516.715962][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3516.716226][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.716226][ T73] dst_init+0x84/0x4a0 [ 3516.716226][ T73] dst_alloc+0x97/0x150 [ 3516.716226][ T73] ip6_dst_alloc+0x23/0x90 [ 3516.716226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3516.716226][ T73] ip6_pol_route+0x56f/0x840 [ 3516.716226][ T73] fib6_rule_lookup+0x456/0x630 [ 3516.716226][ T73] ip6_route_input+0x59c/0xa50 [ 3516.716226][ T73] ipv6_rcv+0x397/0x810 [ 3516.716226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3516.716226][ T73] process_backlog+0x101/0x620 [ 3516.716226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3516.716226][ T73] net_rx_action+0x495/0xbe0 [ 3516.716226][ T73] __do_softirq+0x1b5/0x7f6 [ 3516.716226][ T73] [ 3516.717852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.717852][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.717852][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.717852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.717852][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3516.717852][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3516.717852][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3516.717852][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3516.717852][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3516.717852][ T73] addrconf_dad_begin+0x310/0x670 [ 3516.717852][ T73] addrconf_dad_work+0x10b/0xab0 [ 3516.717852][ T73] process_one_work+0x84d/0x18a0 [ 3516.717852][ T73] worker_thread+0x587/0xd30 [ 3516.717852][ T73] kthread+0x28a/0x350 [ 3516.717852][ T73] ret_from_fork+0x31/0x70 [ 3516.717852][ T73] ret_from_fork_asm+0x1a/0x30 [ 3516.717852][ T73] [ 3516.719742][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.719742][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.719742][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.719742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.719742][ T73] ip6_route_add+0x1c/0x140 [ 3516.719742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3516.719742][ T73] inet6_addr_add+0x4f8/0xa40 [ 3516.719742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.719742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.719742][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.719742][ T73] netlink_unicast+0x449/0x710 [ 3516.719742][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.719742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.719742][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.719742][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.719742][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.719742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.719742][ T73] [ 3516.721726][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.721726][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.721726][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.721726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.721726][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3516.721726][ T73] ipv6_add_addr+0x411/0x2000 [ 3516.721726][ T73] inet6_addr_add+0x30e/0xa40 [ 3516.721726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.721726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.721726][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.721726][ T73] netlink_unicast+0x449/0x710 [ 3516.721726][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.721726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.721726][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.721726][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.721726][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.721726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.721726][ T73] [ 3516.723705][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.723705][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.723705][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.723705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.723705][ T73] ip6_route_add+0x1c/0x140 [ 3516.723705][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3516.723705][ T73] addrconf_add_dev+0xe2/0x170 [ 3516.723705][ T73] inet6_addr_add+0x12f/0xa40 [ 3516.723705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.723705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.723705][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.723705][ T73] netlink_unicast+0x449/0x710 [ 3516.723705][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.723705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.723705][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.723705][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.723705][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.723705][ T73] [ 3516.725652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.725652][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3516.725652][ T73] ipv6_find_idev+0x102/0x170 [ 3516.725652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.725652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.725652][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.725652][ T73] netlink_unicast+0x449/0x710 [ 3516.725652][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.725652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.725652][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.725652][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.725652][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.725652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.725652][ T73] [ 3516.727184][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3516.727184][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3516.727184][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3516.727184][ T73] ipv6_find_idev+0x102/0x170 [ 3516.727184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.727184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.727184][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.727184][ T73] netlink_unicast+0x449/0x710 [ 3516.727184][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.727184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.727184][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.727184][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.727184][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.727184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.727184][ T73] [ 3516.728990][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3516.729263][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.729263][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3516.729263][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3516.729263][ T73] fib6_nh_init+0xa22/0x1580 [ 3516.729263][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.729263][ T73] ip6_route_add+0x1c/0x140 [ 3516.729263][ T73] inet6_rtm_newroute+0x104/0x110 [ 3516.729263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.729263][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.729263][ T73] netlink_unicast+0x449/0x710 [ 3516.729263][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.729263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.729263][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.729263][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.729263][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.729263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.729263][ T73] [ 3516.731371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.731371][ T73] dst_init+0x84/0x4a0 [ 3516.731371][ T73] dst_alloc+0x97/0x150 [ 3516.731371][ T73] ip6_dst_alloc+0x23/0x90 [ 3516.731371][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3516.731371][ T73] ip6_pol_route+0x56f/0x840 [ 3516.731371][ T73] fib6_rule_lookup+0x456/0x630 [ 3516.731371][ T73] ip6_route_input+0x59c/0xa50 [ 3516.731371][ T73] ipv6_rcv+0x397/0x810 [ 3516.731371][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3516.731371][ T73] process_backlog+0x101/0x620 [ 3516.731371][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3516.731371][ T73] net_rx_action+0x495/0xbe0 [ 3516.731371][ T73] __do_softirq+0x1b5/0x7f6 [ 3516.731371][ T73] [ 3516.733171][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.733171][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.733171][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.733171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.733171][ T73] ip6_route_add+0x1c/0x140 [ 3516.733171][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3516.733171][ T73] inet6_addr_add+0x4f8/0xa40 [ 3516.733171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.733171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.733171][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.733171][ T73] netlink_unicast+0x449/0x710 [ 3516.733171][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.733171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.733171][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.733171][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.733171][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.733171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.733171][ T73] [ 3516.735461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.735461][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.735461][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.735461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.735461][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3516.735461][ T73] ipv6_add_addr+0x411/0x2000 [ 3516.735461][ T73] inet6_addr_add+0x30e/0xa40 [ 3516.735461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.735461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.735461][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.735461][ T73] netlink_unicast+0x449/0x710 [ 3516.735461][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.735461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.735461][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.735461][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.735461][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.735461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.735461][ T73] [ 3516.737683][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.737683][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.737683][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.737683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.737683][ T73] ip6_route_add+0x1c/0x140 [ 3516.737683][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3516.737683][ T73] addrconf_add_dev+0xe2/0x170 [ 3516.737683][ T73] inet6_addr_add+0x12f/0xa40 [ 3516.737683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.737683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.737683][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.737683][ T73] netlink_unicast+0x449/0x710 [ 3516.737683][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.737683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.737683][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.737683][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.737683][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.737683][ T73] [ 3516.739867][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.739867][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3516.739867][ T73] ipv6_find_idev+0x102/0x170 [ 3516.739867][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.739867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.739867][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.739867][ T73] netlink_unicast+0x449/0x710 [ 3516.739867][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.739867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.739867][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.739867][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.739867][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.739867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.739867][ T73] [ 3516.741523][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3516.741523][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3516.741523][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3516.741523][ T73] ipv6_find_idev+0x102/0x170 [ 3516.741523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.741523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.741523][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.741523][ T73] netlink_unicast+0x449/0x710 [ 3516.741523][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.741523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.741523][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.741523][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.741523][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.741523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.741523][ T73] [ 3516.743504][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3516.743767][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3516.743767][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.743767][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.743767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.743767][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3516.743767][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3516.743767][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3516.743767][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3516.743767][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3516.743767][ T73] addrconf_dad_begin+0x310/0x670 [ 3516.743767][ T73] addrconf_dad_work+0x10b/0xab0 [ 3516.743767][ T73] process_one_work+0x84d/0x18a0 [ 3516.743767][ T73] worker_thread+0x587/0xd30 [ 3516.743767][ T73] kthread+0x28a/0x350 [ 3516.743767][ T73] ret_from_fork+0x31/0x70 [ 3516.743767][ T73] ret_from_fork_asm+0x1a/0x30 [ 3516.743767][ T73] [ 3516.745910][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3516.745910][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.745910][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.745910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.745910][ T73] ip6_route_add+0x1c/0x140 [ 3516.745910][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3516.745910][ T73] inet6_addr_add+0x4f8/0xa40 [ 3516.745910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.745910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.745910][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.745910][ T73] netlink_unicast+0x449/0x710 [ 3516.745910][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.745910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.745910][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.745910][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.745910][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.745910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.745910][ T73] [ 3516.748126][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3516.748126][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.748126][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.748126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.748126][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3516.748126][ T73] ipv6_add_addr+0x411/0x2000 [ 3516.748126][ T73] inet6_addr_add+0x30e/0xa40 [ 3516.748126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.748126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.748126][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.748126][ T73] netlink_unicast+0x449/0x710 [ 3516.748126][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.748126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.748126][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.748126][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.748126][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.748126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.748126][ T73] [ 3516.750281][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3516.750281][ T73] netdev_get_by_index+0x5e/0x80 [ 3516.750281][ T73] fib6_nh_init+0x3d8/0x1580 [ 3516.750281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3516.750281][ T73] ip6_route_add+0x1c/0x140 [ 3516.750281][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3516.750281][ T73] addrconf_add_dev+0xe2/0x170 [ 3516.750281][ T73] inet6_addr_add+0x12f/0xa40 [ 3516.750281][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3516.750281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.750281][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.750281][ T73] netlink_unicast+0x449/0x710 [ 3516.750281][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.750281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.750281][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.750281][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.750281][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.750281][ T73] [ 3516.752465][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3516.752465][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3516.752465][ T73] ipv6_find_idev+0x102/0x170 [ 3516.752465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.752465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.752465][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.752465][ T73] netlink_unicast+0x449/0x710 [ 3516.752465][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.752465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.752465][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.752465][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.752465][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.752465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.752465][ T73] [ 3516.754253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3516.754253][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3516.754253][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3516.754253][ T73] ipv6_find_idev+0x102/0x170 [ 3516.754253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3516.754253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3516.754253][ T73] netlink_rcv_skb+0x130/0x360 [ 3516.754253][ T73] netlink_unicast+0x449/0x710 [ 3516.754253][ T73] netlink_sendmsg+0x723/0xbe0 [ 3516.754253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3516.754253][ T73] ___sys_sendmsg+0xee/0x170 [ 3516.754253][ T73] __sys_sendmsg+0xcd/0x170 [ 3516.754253][ T73] do_syscall_64+0xc6/0x1e0 [ 3516.754253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3516.754253][ T73] [ 3526.998828][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3526.999203][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3526.999203][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3526.999203][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3526.999203][ T73] fib6_nh_init+0xa22/0x1580 [ 3526.999203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3526.999203][ T73] ip6_route_add+0x1c/0x140 [ 3526.999203][ T73] inet6_rtm_newroute+0x104/0x110 [ 3526.999203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3526.999203][ T73] netlink_rcv_skb+0x130/0x360 [ 3526.999203][ T73] netlink_unicast+0x449/0x710 [ 3526.999203][ T73] netlink_sendmsg+0x723/0xbe0 [ 3526.999203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3526.999203][ T73] ___sys_sendmsg+0xee/0x170 [ 3526.999203][ T73] __sys_sendmsg+0xcd/0x170 [ 3526.999203][ T73] do_syscall_64+0xc6/0x1e0 [ 3526.999203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3526.999203][ T73] [ 3527.001078][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3527.001078][ T73] dst_init+0x84/0x4a0 [ 3527.001078][ T73] dst_alloc+0x97/0x150 [ 3527.001078][ T73] ip6_dst_alloc+0x23/0x90 [ 3527.001078][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3527.001078][ T73] ip6_pol_route+0x56f/0x840 [ 3527.001078][ T73] fib6_rule_lookup+0x456/0x630 [ 3527.001078][ T73] ip6_route_input+0x59c/0xa50 [ 3527.001078][ T73] ipv6_rcv+0x397/0x810 [ 3527.001078][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3527.001078][ T73] process_backlog+0x101/0x620 [ 3527.001078][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3527.001078][ T73] net_rx_action+0x495/0xbe0 [ 3527.001078][ T73] __do_softirq+0x1b5/0x7f6 [ 3527.001078][ T73] [ 3527.002702][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3527.002702][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.002702][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.002702][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.002702][ T73] ip6_route_add+0x1c/0x140 [ 3527.002702][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3527.002702][ T73] inet6_addr_add+0x4f8/0xa40 [ 3527.002702][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.002702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.002702][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.002702][ T73] netlink_unicast+0x449/0x710 [ 3527.002702][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.002702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.002702][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.002702][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.002702][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.002702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.002702][ T73] [ 3527.004691][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3527.004691][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.004691][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.004691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.004691][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3527.004691][ T73] ipv6_add_addr+0x411/0x2000 [ 3527.004691][ T73] inet6_addr_add+0x30e/0xa40 [ 3527.004691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.004691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.004691][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.004691][ T73] netlink_unicast+0x449/0x710 [ 3527.004691][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.004691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.004691][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.004691][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.004691][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.004691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.004691][ T73] [ 3527.006670][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3527.006670][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.006670][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.006670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.006670][ T73] ip6_route_add+0x1c/0x140 [ 3527.006670][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3527.006670][ T73] addrconf_add_dev+0xe2/0x170 [ 3527.006670][ T73] inet6_addr_add+0x12f/0xa40 [ 3527.006670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.006670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.006670][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.006670][ T73] netlink_unicast+0x449/0x710 [ 3527.006670][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.006670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.006670][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.006670][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.006670][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.006670][ T73] [ 3527.008618][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3527.008618][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3527.008618][ T73] ipv6_find_idev+0x102/0x170 [ 3527.008618][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.008618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.008618][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.008618][ T73] netlink_unicast+0x449/0x710 [ 3527.008618][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.008618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.008618][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.008618][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.008618][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.008618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.008618][ T73] [ 3527.010147][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3527.010147][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3527.010147][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3527.010147][ T73] ipv6_find_idev+0x102/0x170 [ 3527.010147][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.010147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.010147][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.010147][ T73] netlink_unicast+0x449/0x710 [ 3527.010147][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.010147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.010147][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.010147][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.010147][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.010147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.010147][ T73] [ 3527.011813][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3527.012090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.012090][ T73] dst_init+0x84/0x4a0 [ 3527.012090][ T73] dst_alloc+0x97/0x150 [ 3527.012090][ T73] ip6_dst_alloc+0x23/0x90 [ 3527.012090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3527.012090][ T73] ip6_pol_route+0x56f/0x840 [ 3527.012090][ T73] fib6_rule_lookup+0x456/0x630 [ 3527.012090][ T73] ip6_route_input+0x59c/0xa50 [ 3527.012090][ T73] ipv6_rcv+0x397/0x810 [ 3527.012090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3527.012090][ T73] process_backlog+0x101/0x620 [ 3527.012090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3527.012090][ T73] net_rx_action+0x495/0xbe0 [ 3527.012090][ T73] __do_softirq+0x1b5/0x7f6 [ 3527.012090][ T73] [ 3527.013709][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.013709][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.013709][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.013709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.013709][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3527.013709][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3527.013709][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3527.013709][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3527.013709][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3527.013709][ T73] addrconf_dad_begin+0x310/0x670 [ 3527.013709][ T73] addrconf_dad_work+0x10b/0xab0 [ 3527.013709][ T73] process_one_work+0x84d/0x18a0 [ 3527.013709][ T73] worker_thread+0x587/0xd30 [ 3527.013709][ T73] kthread+0x28a/0x350 [ 3527.013709][ T73] ret_from_fork+0x31/0x70 [ 3527.013709][ T73] ret_from_fork_asm+0x1a/0x30 [ 3527.013709][ T73] [ 3527.015612][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.015612][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.015612][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.015612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.015612][ T73] ip6_route_add+0x1c/0x140 [ 3527.015612][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3527.015612][ T73] inet6_addr_add+0x4f8/0xa40 [ 3527.015612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.015612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.015612][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.015612][ T73] netlink_unicast+0x449/0x710 [ 3527.015612][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.015612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.015612][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.015612][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.015612][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.015612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.015612][ T73] [ 3527.017592][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.017592][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.017592][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.017592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.017592][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3527.017592][ T73] ipv6_add_addr+0x411/0x2000 [ 3527.017592][ T73] inet6_addr_add+0x30e/0xa40 [ 3527.017592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.017592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.017592][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.017592][ T73] netlink_unicast+0x449/0x710 [ 3527.017592][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.017592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.017592][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.017592][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.017592][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.017592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.017592][ T73] [ 3527.019589][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.019589][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.019589][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.019589][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.019589][ T73] ip6_route_add+0x1c/0x140 [ 3527.019589][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3527.019589][ T73] addrconf_add_dev+0xe2/0x170 [ 3527.019589][ T73] inet6_addr_add+0x12f/0xa40 [ 3527.019589][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.019589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.019589][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.019589][ T73] netlink_unicast+0x449/0x710 [ 3527.019589][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.019589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.019589][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.019589][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.019589][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.019589][ T73] [ 3527.021543][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.021543][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3527.021543][ T73] ipv6_find_idev+0x102/0x170 [ 3527.021543][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.021543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.021543][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.021543][ T73] netlink_unicast+0x449/0x710 [ 3527.021543][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.021543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.021543][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.021543][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.021543][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.021543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.021543][ T73] [ 3527.023061][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3527.023061][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3527.023061][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3527.023061][ T73] ipv6_find_idev+0x102/0x170 [ 3527.023061][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.023061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.023061][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.023061][ T73] netlink_unicast+0x449/0x710 [ 3527.023061][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.023061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.023061][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.023061][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.023061][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.023061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.023061][ T73] [ 3527.024856][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3527.025128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.025128][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3527.025128][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3527.025128][ T73] fib6_nh_init+0xa22/0x1580 [ 3527.025128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.025128][ T73] ip6_route_add+0x1c/0x140 [ 3527.025128][ T73] inet6_rtm_newroute+0x104/0x110 [ 3527.025128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.025128][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.025128][ T73] netlink_unicast+0x449/0x710 [ 3527.025128][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.025128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.025128][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.025128][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.025128][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.025128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.025128][ T73] [ 3527.027805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.027805][ T73] dst_init+0x84/0x4a0 [ 3527.027805][ T73] dst_alloc+0x97/0x150 [ 3527.027805][ T73] ip6_dst_alloc+0x23/0x90 [ 3527.027805][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3527.027805][ T73] ip6_pol_route+0x56f/0x840 [ 3527.027805][ T73] fib6_rule_lookup+0x456/0x630 [ 3527.027805][ T73] ip6_route_input+0x59c/0xa50 [ 3527.027805][ T73] ipv6_rcv+0x397/0x810 [ 3527.027805][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3527.027805][ T73] process_backlog+0x101/0x620 [ 3527.027805][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3527.027805][ T73] net_rx_action+0x495/0xbe0 [ 3527.027805][ T73] __do_softirq+0x1b5/0x7f6 [ 3527.027805][ T73] [ 3527.029607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.029607][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.029607][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.029607][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.029607][ T73] ip6_route_add+0x1c/0x140 [ 3527.029607][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3527.029607][ T73] inet6_addr_add+0x4f8/0xa40 [ 3527.029607][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.029607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.029607][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.029607][ T73] netlink_unicast+0x449/0x710 [ 3527.029607][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.029607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.029607][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.029607][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.029607][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.029607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.029607][ T73] [ 3527.031826][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.031826][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.031826][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.031826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.031826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3527.031826][ T73] ipv6_add_addr+0x411/0x2000 [ 3527.031826][ T73] inet6_addr_add+0x30e/0xa40 [ 3527.031826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.031826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.031826][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.031826][ T73] netlink_unicast+0x449/0x710 [ 3527.031826][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.031826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.031826][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.031826][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.031826][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.031826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.031826][ T73] [ 3527.034054][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.034054][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.034054][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.034054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.034054][ T73] ip6_route_add+0x1c/0x140 [ 3527.034054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3527.034054][ T73] addrconf_add_dev+0xe2/0x170 [ 3527.034054][ T73] inet6_addr_add+0x12f/0xa40 [ 3527.034054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.034054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.034054][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.034054][ T73] netlink_unicast+0x449/0x710 [ 3527.034054][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.034054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.034054][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.034054][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.034054][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.034054][ T73] [ 3527.036315][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.036315][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3527.036315][ T73] ipv6_find_idev+0x102/0x170 [ 3527.036315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.036315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.036315][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.036315][ T73] netlink_unicast+0x449/0x710 [ 3527.036315][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.036315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.036315][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.036315][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.036315][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.036315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.036315][ T73] [ 3527.037951][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3527.037951][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3527.037951][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3527.037951][ T73] ipv6_find_idev+0x102/0x170 [ 3527.037951][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.037951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.037951][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.037951][ T73] netlink_unicast+0x449/0x710 [ 3527.037951][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.037951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.037951][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.037951][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.037951][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.037951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.037951][ T73] [ 3527.039858][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3527.040127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3527.040127][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.040127][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.040127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.040127][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3527.040127][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3527.040127][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3527.040127][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3527.040127][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3527.040127][ T73] addrconf_dad_begin+0x310/0x670 [ 3527.040127][ T73] addrconf_dad_work+0x10b/0xab0 [ 3527.040127][ T73] process_one_work+0x84d/0x18a0 [ 3527.040127][ T73] worker_thread+0x587/0xd30 [ 3527.040127][ T73] kthread+0x28a/0x350 [ 3527.040127][ T73] ret_from_fork+0x31/0x70 [ 3527.040127][ T73] ret_from_fork_asm+0x1a/0x30 [ 3527.040127][ T73] [ 3527.042264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3527.042264][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.042264][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.042264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.042264][ T73] ip6_route_add+0x1c/0x140 [ 3527.042264][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3527.042264][ T73] inet6_addr_add+0x4f8/0xa40 [ 3527.042264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.042264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.042264][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.042264][ T73] netlink_unicast+0x449/0x710 [ 3527.042264][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.042264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.042264][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.042264][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.042264][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.042264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.042264][ T73] [ 3527.044491][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3527.044491][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.044491][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.044491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.044491][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3527.044491][ T73] ipv6_add_addr+0x411/0x2000 [ 3527.044491][ T73] inet6_addr_add+0x30e/0xa40 [ 3527.044491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.044491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.044491][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.044491][ T73] netlink_unicast+0x449/0x710 [ 3527.044491][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.044491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.044491][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.044491][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.044491][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.044491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.044491][ T73] [ 3527.047102][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3527.047102][ T73] netdev_get_by_index+0x5e/0x80 [ 3527.047102][ T73] fib6_nh_init+0x3d8/0x1580 [ 3527.047102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3527.047102][ T73] ip6_route_add+0x1c/0x140 [ 3527.047102][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3527.047102][ T73] addrconf_add_dev+0xe2/0x170 [ 3527.047102][ T73] inet6_addr_add+0x12f/0xa40 [ 3527.047102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.047102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.047102][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.047102][ T73] netlink_unicast+0x449/0x710 [ 3527.047102][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.047102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.047102][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.047102][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.047102][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.047102][ T73] [ 3527.049288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3527.049288][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3527.049288][ T73] ipv6_find_idev+0x102/0x170 [ 3527.049288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.049288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.049288][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.049288][ T73] netlink_unicast+0x449/0x710 [ 3527.049288][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.049288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.049288][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.049288][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.049288][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.049288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.049288][ T73] [ 3527.051003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3527.051003][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3527.051003][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3527.051003][ T73] ipv6_find_idev+0x102/0x170 [ 3527.051003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.051003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.051003][ T73] netlink_rcv_skb+0x130/0x360 [ 3527.051003][ T73] netlink_unicast+0x449/0x710 [ 3527.051003][ T73] netlink_sendmsg+0x723/0xbe0 [ 3527.051003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3527.051003][ T73] ___sys_sendmsg+0xee/0x170 [ 3527.051003][ T73] __sys_sendmsg+0xcd/0x170 [ 3527.051003][ T73] do_syscall_64+0xc6/0x1e0 [ 3527.051003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.051003][ T73] [ 3537.295001][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3537.295451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.295451][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3537.295451][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3537.295451][ T73] fib6_nh_init+0xa22/0x1580 [ 3537.295451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.295451][ T73] ip6_route_add+0x1c/0x140 [ 3537.295451][ T73] inet6_rtm_newroute+0x104/0x110 [ 3537.295451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.295451][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.295451][ T73] netlink_unicast+0x449/0x710 [ 3537.295451][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.295451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.295451][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.295451][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.295451][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.295451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.295451][ T73] [ 3537.297359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.297359][ T73] dst_init+0x84/0x4a0 [ 3537.297359][ T73] dst_alloc+0x97/0x150 [ 3537.297359][ T73] ip6_dst_alloc+0x23/0x90 [ 3537.297359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3537.297359][ T73] ip6_pol_route+0x56f/0x840 [ 3537.297359][ T73] fib6_rule_lookup+0x456/0x630 [ 3537.297359][ T73] ip6_route_input+0x59c/0xa50 [ 3537.297359][ T73] ipv6_rcv+0x397/0x810 [ 3537.297359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3537.297359][ T73] process_backlog+0x101/0x620 [ 3537.297359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3537.297359][ T73] net_rx_action+0x495/0xbe0 [ 3537.297359][ T73] __do_softirq+0x1b5/0x7f6 [ 3537.297359][ T73] [ 3537.298995][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.298995][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.298995][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.298995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.298995][ T73] ip6_route_add+0x1c/0x140 [ 3537.298995][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3537.298995][ T73] inet6_addr_add+0x4f8/0xa40 [ 3537.298995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.298995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.298995][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.298995][ T73] netlink_unicast+0x449/0x710 [ 3537.298995][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.298995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.298995][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.298995][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.298995][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.298995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.298995][ T73] [ 3537.300990][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.300990][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.300990][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.300990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.300990][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3537.300990][ T73] ipv6_add_addr+0x411/0x2000 [ 3537.300990][ T73] inet6_addr_add+0x30e/0xa40 [ 3537.300990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.300990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.300990][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.300990][ T73] netlink_unicast+0x449/0x710 [ 3537.300990][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.300990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.300990][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.300990][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.300990][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.300990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.300990][ T73] [ 3537.302983][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.302983][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.302983][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.302983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.302983][ T73] ip6_route_add+0x1c/0x140 [ 3537.302983][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3537.302983][ T73] addrconf_add_dev+0xe2/0x170 [ 3537.302983][ T73] inet6_addr_add+0x12f/0xa40 [ 3537.302983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.302983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.302983][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.302983][ T73] netlink_unicast+0x449/0x710 [ 3537.302983][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.302983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.302983][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.302983][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.302983][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.302983][ T73] [ 3537.304954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.304954][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3537.304954][ T73] ipv6_find_idev+0x102/0x170 [ 3537.304954][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.304954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.304954][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.304954][ T73] netlink_unicast+0x449/0x710 [ 3537.304954][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.304954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.304954][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.304954][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.304954][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.304954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.304954][ T73] [ 3537.306489][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3537.306489][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3537.306489][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3537.306489][ T73] ipv6_find_idev+0x102/0x170 [ 3537.306489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.306489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.306489][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.306489][ T73] netlink_unicast+0x449/0x710 [ 3537.306489][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.306489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.306489][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.306489][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.306489][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.306489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.306489][ T73] [ 3537.308173][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3537.308556][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.308556][ T73] dst_init+0x84/0x4a0 [ 3537.308556][ T73] dst_alloc+0x97/0x150 [ 3537.308556][ T73] ip6_dst_alloc+0x23/0x90 [ 3537.308556][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3537.308556][ T73] ip6_pol_route+0x56f/0x840 [ 3537.308556][ T73] fib6_rule_lookup+0x456/0x630 [ 3537.308556][ T73] ip6_route_input+0x59c/0xa50 [ 3537.308556][ T73] ipv6_rcv+0x397/0x810 [ 3537.308556][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3537.308556][ T73] process_backlog+0x101/0x620 [ 3537.308556][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3537.308556][ T73] net_rx_action+0x495/0xbe0 [ 3537.308556][ T73] __do_softirq+0x1b5/0x7f6 [ 3537.308556][ T73] [ 3537.310186][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.310186][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.310186][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.310186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.310186][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3537.310186][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3537.310186][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3537.310186][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3537.310186][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3537.310186][ T73] addrconf_dad_begin+0x310/0x670 [ 3537.310186][ T73] addrconf_dad_work+0x10b/0xab0 [ 3537.310186][ T73] process_one_work+0x84d/0x18a0 [ 3537.310186][ T73] worker_thread+0x587/0xd30 [ 3537.310186][ T73] kthread+0x28a/0x350 [ 3537.310186][ T73] ret_from_fork+0x31/0x70 [ 3537.310186][ T73] ret_from_fork_asm+0x1a/0x30 [ 3537.310186][ T73] [ 3537.312077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.312077][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.312077][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.312077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.312077][ T73] ip6_route_add+0x1c/0x140 [ 3537.312077][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3537.312077][ T73] inet6_addr_add+0x4f8/0xa40 [ 3537.312077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.312077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.312077][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.312077][ T73] netlink_unicast+0x449/0x710 [ 3537.312077][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.312077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.312077][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.312077][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.312077][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.312077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.312077][ T73] [ 3537.314075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.314075][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.314075][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.314075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.314075][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3537.314075][ T73] ipv6_add_addr+0x411/0x2000 [ 3537.314075][ T73] inet6_addr_add+0x30e/0xa40 [ 3537.314075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.314075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.314075][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.314075][ T73] netlink_unicast+0x449/0x710 [ 3537.314075][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.314075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.314075][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.314075][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.314075][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.314075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.314075][ T73] [ 3537.316066][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.316066][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.316066][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.316066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.316066][ T73] ip6_route_add+0x1c/0x140 [ 3537.316066][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3537.316066][ T73] addrconf_add_dev+0xe2/0x170 [ 3537.316066][ T73] inet6_addr_add+0x12f/0xa40 [ 3537.316066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.316066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.316066][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.316066][ T73] netlink_unicast+0x449/0x710 [ 3537.316066][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.316066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.316066][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.316066][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.316066][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.316066][ T73] [ 3537.318008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.318008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3537.318008][ T73] ipv6_find_idev+0x102/0x170 [ 3537.318008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.318008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.318008][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.318008][ T73] netlink_unicast+0x449/0x710 [ 3537.318008][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.318008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.318008][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.318008][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.318008][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.318008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.318008][ T73] [ 3537.319534][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3537.319534][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3537.319534][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3537.319534][ T73] ipv6_find_idev+0x102/0x170 [ 3537.319534][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.319534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.319534][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.319534][ T73] netlink_unicast+0x449/0x710 [ 3537.319534][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.319534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.319534][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.319534][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.319534][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.319534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.319534][ T73] [ 3537.321348][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3537.321611][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.321611][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3537.321611][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3537.321611][ T73] fib6_nh_init+0xa22/0x1580 [ 3537.321611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.321611][ T73] ip6_route_add+0x1c/0x140 [ 3537.321611][ T73] inet6_rtm_newroute+0x104/0x110 [ 3537.321611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.321611][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.321611][ T73] netlink_unicast+0x449/0x710 [ 3537.321611][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.321611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.321611][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.321611][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.321611][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.321611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.321611][ T73] [ 3537.323709][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.323709][ T73] dst_init+0x84/0x4a0 [ 3537.323709][ T73] dst_alloc+0x97/0x150 [ 3537.323709][ T73] ip6_dst_alloc+0x23/0x90 [ 3537.323709][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3537.323709][ T73] ip6_pol_route+0x56f/0x840 [ 3537.323709][ T73] fib6_rule_lookup+0x456/0x630 [ 3537.323709][ T73] ip6_route_input+0x59c/0xa50 [ 3537.323709][ T73] ipv6_rcv+0x397/0x810 [ 3537.323709][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3537.323709][ T73] process_backlog+0x101/0x620 [ 3537.323709][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3537.323709][ T73] net_rx_action+0x495/0xbe0 [ 3537.323709][ T73] __do_softirq+0x1b5/0x7f6 [ 3537.323709][ T73] [ 3537.325525][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.325525][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.325525][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.325525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.325525][ T73] ip6_route_add+0x1c/0x140 [ 3537.325525][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3537.325525][ T73] inet6_addr_add+0x4f8/0xa40 [ 3537.325525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.325525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.325525][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.325525][ T73] netlink_unicast+0x449/0x710 [ 3537.325525][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.325525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.325525][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.325525][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.325525][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.325525][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.325525][ T73] [ 3537.327804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.327804][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.327804][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.327804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.327804][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3537.327804][ T73] ipv6_add_addr+0x411/0x2000 [ 3537.327804][ T73] inet6_addr_add+0x30e/0xa40 [ 3537.327804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.327804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.327804][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.327804][ T73] netlink_unicast+0x449/0x710 [ 3537.327804][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.327804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.327804][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.327804][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.327804][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.327804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.327804][ T73] [ 3537.330041][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.330041][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.330041][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.330041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.330041][ T73] ip6_route_add+0x1c/0x140 [ 3537.330041][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3537.330041][ T73] addrconf_add_dev+0xe2/0x170 [ 3537.330041][ T73] inet6_addr_add+0x12f/0xa40 [ 3537.330041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.330041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.330041][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.330041][ T73] netlink_unicast+0x449/0x710 [ 3537.330041][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.330041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.330041][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.330041][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.330041][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.330041][ T73] [ 3537.332220][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.332220][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3537.332220][ T73] ipv6_find_idev+0x102/0x170 [ 3537.332220][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.332220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.332220][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.332220][ T73] netlink_unicast+0x449/0x710 [ 3537.332220][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.332220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.332220][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.332220][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.332220][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.332220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.332220][ T73] [ 3537.333932][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3537.333932][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3537.333932][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3537.333932][ T73] ipv6_find_idev+0x102/0x170 [ 3537.333932][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.333932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.333932][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.333932][ T73] netlink_unicast+0x449/0x710 [ 3537.333932][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.333932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.333932][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.333932][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.333932][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.333932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.333932][ T73] [ 3537.335839][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3537.336104][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3537.336104][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.336104][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.336104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.336104][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3537.336104][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3537.336104][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3537.336104][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3537.336104][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3537.336104][ T73] addrconf_dad_begin+0x310/0x670 [ 3537.336104][ T73] addrconf_dad_work+0x10b/0xab0 [ 3537.336104][ T73] process_one_work+0x84d/0x18a0 [ 3537.336104][ T73] worker_thread+0x587/0xd30 [ 3537.336104][ T73] kthread+0x28a/0x350 [ 3537.336104][ T73] ret_from_fork+0x31/0x70 [ 3537.336104][ T73] ret_from_fork_asm+0x1a/0x30 [ 3537.336104][ T73] [ 3537.338239][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3537.338239][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.338239][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.338239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.338239][ T73] ip6_route_add+0x1c/0x140 [ 3537.338239][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3537.338239][ T73] inet6_addr_add+0x4f8/0xa40 [ 3537.338239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.338239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.338239][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.338239][ T73] netlink_unicast+0x449/0x710 [ 3537.338239][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.338239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.338239][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.338239][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.338239][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.338239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.338239][ T73] [ 3537.340461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3537.340461][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.340461][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.340461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.340461][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3537.340461][ T73] ipv6_add_addr+0x411/0x2000 [ 3537.340461][ T73] inet6_addr_add+0x30e/0xa40 [ 3537.340461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.340461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.340461][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.340461][ T73] netlink_unicast+0x449/0x710 [ 3537.340461][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.340461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.340461][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.340461][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.340461][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.340461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.340461][ T73] [ 3537.342770][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3537.342770][ T73] netdev_get_by_index+0x5e/0x80 [ 3537.342770][ T73] fib6_nh_init+0x3d8/0x1580 [ 3537.342770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3537.342770][ T73] ip6_route_add+0x1c/0x140 [ 3537.342770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3537.342770][ T73] addrconf_add_dev+0xe2/0x170 [ 3537.342770][ T73] inet6_addr_add+0x12f/0xa40 [ 3537.342770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3537.342770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.342770][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.342770][ T73] netlink_unicast+0x449/0x710 [ 3537.342770][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.342770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.342770][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.342770][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.342770][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.342770][ T73] [ 3537.344906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3537.344906][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3537.344906][ T73] ipv6_find_idev+0x102/0x170 [ 3537.344906][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.344906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.344906][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.344906][ T73] netlink_unicast+0x449/0x710 [ 3537.344906][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.344906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.344906][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.344906][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.344906][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.344906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.344906][ T73] [ 3537.346680][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3537.346680][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3537.346680][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3537.346680][ T73] ipv6_find_idev+0x102/0x170 [ 3537.346680][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3537.346680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3537.346680][ T73] netlink_rcv_skb+0x130/0x360 [ 3537.346680][ T73] netlink_unicast+0x449/0x710 [ 3537.346680][ T73] netlink_sendmsg+0x723/0xbe0 [ 3537.346680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3537.346680][ T73] ___sys_sendmsg+0xee/0x170 [ 3537.346680][ T73] __sys_sendmsg+0xcd/0x170 [ 3537.346680][ T73] do_syscall_64+0xc6/0x1e0 [ 3537.346680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3537.346680][ T73] [ 3547.590895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3547.591395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.591395][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3547.591395][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3547.591395][ T73] fib6_nh_init+0xa22/0x1580 [ 3547.591395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.591395][ T73] ip6_route_add+0x1c/0x140 [ 3547.591395][ T73] inet6_rtm_newroute+0x104/0x110 [ 3547.591395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.591395][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.591395][ T73] netlink_unicast+0x449/0x710 [ 3547.591395][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.591395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.591395][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.591395][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.591395][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.591395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.591395][ T73] [ 3547.593283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.593283][ T73] dst_init+0x84/0x4a0 [ 3547.593283][ T73] dst_alloc+0x97/0x150 [ 3547.593283][ T73] ip6_dst_alloc+0x23/0x90 [ 3547.593283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3547.593283][ T73] ip6_pol_route+0x56f/0x840 [ 3547.593283][ T73] fib6_rule_lookup+0x456/0x630 [ 3547.593283][ T73] ip6_route_input+0x59c/0xa50 [ 3547.593283][ T73] ipv6_rcv+0x397/0x810 [ 3547.593283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3547.593283][ T73] process_backlog+0x101/0x620 [ 3547.593283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3547.593283][ T73] net_rx_action+0x495/0xbe0 [ 3547.593283][ T73] __do_softirq+0x1b5/0x7f6 [ 3547.593283][ T73] [ 3547.594931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.594931][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.594931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.594931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.594931][ T73] ip6_route_add+0x1c/0x140 [ 3547.594931][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3547.594931][ T73] inet6_addr_add+0x4f8/0xa40 [ 3547.594931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.594931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.594931][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.594931][ T73] netlink_unicast+0x449/0x710 [ 3547.594931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.594931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.594931][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.594931][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.594931][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.594931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.594931][ T73] [ 3547.596952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.596952][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.596952][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.596952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.596952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3547.596952][ T73] ipv6_add_addr+0x411/0x2000 [ 3547.596952][ T73] inet6_addr_add+0x30e/0xa40 [ 3547.596952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.596952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.596952][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.596952][ T73] netlink_unicast+0x449/0x710 [ 3547.596952][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.596952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.596952][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.596952][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.596952][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.596952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.596952][ T73] [ 3547.598938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.598938][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.598938][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.598938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.598938][ T73] ip6_route_add+0x1c/0x140 [ 3547.598938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3547.598938][ T73] addrconf_add_dev+0xe2/0x170 [ 3547.598938][ T73] inet6_addr_add+0x12f/0xa40 [ 3547.598938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.598938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.598938][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.598938][ T73] netlink_unicast+0x449/0x710 [ 3547.598938][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.598938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.598938][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.598938][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.598938][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.598938][ T73] [ 3547.600903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.600903][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3547.600903][ T73] ipv6_find_idev+0x102/0x170 [ 3547.600903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.600903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.600903][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.600903][ T73] netlink_unicast+0x449/0x710 [ 3547.600903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.600903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.600903][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.600903][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.600903][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.600903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.600903][ T73] [ 3547.602441][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3547.602441][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3547.602441][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3547.602441][ T73] ipv6_find_idev+0x102/0x170 [ 3547.602441][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.602441][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.602441][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.602441][ T73] netlink_unicast+0x449/0x710 [ 3547.602441][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.602441][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.602441][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.602441][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.602441][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.602441][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.602441][ T73] [ 3547.604133][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3547.604406][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.604406][ T73] dst_init+0x84/0x4a0 [ 3547.604406][ T73] dst_alloc+0x97/0x150 [ 3547.604406][ T73] ip6_dst_alloc+0x23/0x90 [ 3547.604406][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3547.604406][ T73] ip6_pol_route+0x56f/0x840 [ 3547.604406][ T73] fib6_rule_lookup+0x456/0x630 [ 3547.604406][ T73] ip6_route_input+0x59c/0xa50 [ 3547.604406][ T73] ipv6_rcv+0x397/0x810 [ 3547.604406][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3547.604406][ T73] process_backlog+0x101/0x620 [ 3547.604406][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3547.604406][ T73] net_rx_action+0x495/0xbe0 [ 3547.604406][ T73] __do_softirq+0x1b5/0x7f6 [ 3547.604406][ T73] [ 3547.606039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.606039][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.606039][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.606039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.606039][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3547.606039][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3547.606039][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3547.606039][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3547.606039][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3547.606039][ T73] addrconf_dad_begin+0x310/0x670 [ 3547.606039][ T73] addrconf_dad_work+0x10b/0xab0 [ 3547.606039][ T73] process_one_work+0x84d/0x18a0 [ 3547.606039][ T73] worker_thread+0x587/0xd30 [ 3547.606039][ T73] kthread+0x28a/0x350 [ 3547.606039][ T73] ret_from_fork+0x31/0x70 [ 3547.606039][ T73] ret_from_fork_asm+0x1a/0x30 [ 3547.606039][ T73] [ 3547.607934][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.607934][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.607934][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.607934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.607934][ T73] ip6_route_add+0x1c/0x140 [ 3547.607934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3547.607934][ T73] inet6_addr_add+0x4f8/0xa40 [ 3547.607934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.607934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.607934][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.607934][ T73] netlink_unicast+0x449/0x710 [ 3547.607934][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.607934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.607934][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.607934][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.607934][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.607934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.607934][ T73] [ 3547.609920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.609920][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.609920][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.609920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.609920][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3547.609920][ T73] ipv6_add_addr+0x411/0x2000 [ 3547.609920][ T73] inet6_addr_add+0x30e/0xa40 [ 3547.609920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.609920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.609920][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.609920][ T73] netlink_unicast+0x449/0x710 [ 3547.609920][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.609920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.609920][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.609920][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.609920][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.609920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.609920][ T73] [ 3547.611903][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.611903][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.611903][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.611903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.611903][ T73] ip6_route_add+0x1c/0x140 [ 3547.611903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3547.611903][ T73] addrconf_add_dev+0xe2/0x170 [ 3547.611903][ T73] inet6_addr_add+0x12f/0xa40 [ 3547.611903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.611903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.611903][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.611903][ T73] netlink_unicast+0x449/0x710 [ 3547.611903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.611903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.611903][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.611903][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.611903][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.611903][ T73] [ 3547.613865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.613865][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3547.613865][ T73] ipv6_find_idev+0x102/0x170 [ 3547.613865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.613865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.613865][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.613865][ T73] netlink_unicast+0x449/0x710 [ 3547.613865][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.613865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.613865][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.613865][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.613865][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.613865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.613865][ T73] [ 3547.615403][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3547.615403][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3547.615403][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3547.615403][ T73] ipv6_find_idev+0x102/0x170 [ 3547.615403][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.615403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.615403][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.615403][ T73] netlink_unicast+0x449/0x710 [ 3547.615403][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.615403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.615403][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.615403][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.615403][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.615403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.615403][ T73] [ 3547.617200][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3547.617464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.617464][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3547.617464][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3547.617464][ T73] fib6_nh_init+0xa22/0x1580 [ 3547.617464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.617464][ T73] ip6_route_add+0x1c/0x140 [ 3547.617464][ T73] inet6_rtm_newroute+0x104/0x110 [ 3547.617464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.617464][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.617464][ T73] netlink_unicast+0x449/0x710 [ 3547.617464][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.617464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.617464][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.617464][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.617464][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.617464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.617464][ T73] [ 3547.619584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.619584][ T73] dst_init+0x84/0x4a0 [ 3547.619584][ T73] dst_alloc+0x97/0x150 [ 3547.619584][ T73] ip6_dst_alloc+0x23/0x90 [ 3547.619584][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3547.619584][ T73] ip6_pol_route+0x56f/0x840 [ 3547.619584][ T73] fib6_rule_lookup+0x456/0x630 [ 3547.619584][ T73] ip6_route_input+0x59c/0xa50 [ 3547.619584][ T73] ipv6_rcv+0x397/0x810 [ 3547.619584][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3547.619584][ T73] process_backlog+0x101/0x620 [ 3547.619584][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3547.619584][ T73] net_rx_action+0x495/0xbe0 [ 3547.619584][ T73] __do_softirq+0x1b5/0x7f6 [ 3547.619584][ T73] [ 3547.621965][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.621965][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.621965][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.621965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.621965][ T73] ip6_route_add+0x1c/0x140 [ 3547.621965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3547.621965][ T73] inet6_addr_add+0x4f8/0xa40 [ 3547.621965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.621965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.621965][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.621965][ T73] netlink_unicast+0x449/0x710 [ 3547.621965][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.621965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.621965][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.621965][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.621965][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.621965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.621965][ T73] [ 3547.624199][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.624199][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.624199][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.624199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.624199][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3547.624199][ T73] ipv6_add_addr+0x411/0x2000 [ 3547.624199][ T73] inet6_addr_add+0x30e/0xa40 [ 3547.624199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.624199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.624199][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.624199][ T73] netlink_unicast+0x449/0x710 [ 3547.624199][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.624199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.624199][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.624199][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.624199][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.624199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.624199][ T73] [ 3547.626428][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.626428][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.626428][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.626428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.626428][ T73] ip6_route_add+0x1c/0x140 [ 3547.626428][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3547.626428][ T73] addrconf_add_dev+0xe2/0x170 [ 3547.626428][ T73] inet6_addr_add+0x12f/0xa40 [ 3547.626428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.626428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.626428][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.626428][ T73] netlink_unicast+0x449/0x710 [ 3547.626428][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.626428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.626428][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.626428][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.626428][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.626428][ T73] [ 3547.628689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.628689][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3547.628689][ T73] ipv6_find_idev+0x102/0x170 [ 3547.628689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.628689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.628689][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.628689][ T73] netlink_unicast+0x449/0x710 [ 3547.628689][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.628689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.628689][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.628689][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.628689][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.628689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.628689][ T73] [ 3547.630396][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3547.630396][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3547.630396][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3547.630396][ T73] ipv6_find_idev+0x102/0x170 [ 3547.630396][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.630396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.630396][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.630396][ T73] netlink_unicast+0x449/0x710 [ 3547.630396][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.630396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.630396][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.630396][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.630396][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.630396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.630396][ T73] [ 3547.632257][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3547.632527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3547.632527][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.632527][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.632527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.632527][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3547.632527][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3547.632527][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3547.632527][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3547.632527][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3547.632527][ T73] addrconf_dad_begin+0x310/0x670 [ 3547.632527][ T73] addrconf_dad_work+0x10b/0xab0 [ 3547.632527][ T73] process_one_work+0x84d/0x18a0 [ 3547.632527][ T73] worker_thread+0x587/0xd30 [ 3547.632527][ T73] kthread+0x28a/0x350 [ 3547.632527][ T73] ret_from_fork+0x31/0x70 [ 3547.632527][ T73] ret_from_fork_asm+0x1a/0x30 [ 3547.632527][ T73] [ 3547.634673][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3547.634673][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.634673][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.634673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.634673][ T73] ip6_route_add+0x1c/0x140 [ 3547.634673][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3547.634673][ T73] inet6_addr_add+0x4f8/0xa40 [ 3547.634673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.634673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.634673][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.634673][ T73] netlink_unicast+0x449/0x710 [ 3547.634673][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.634673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.634673][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.634673][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.634673][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.634673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.634673][ T73] [ 3547.636960][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3547.636960][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.636960][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.636960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.636960][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3547.636960][ T73] ipv6_add_addr+0x411/0x2000 [ 3547.636960][ T73] inet6_addr_add+0x30e/0xa40 [ 3547.636960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.636960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.636960][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.636960][ T73] netlink_unicast+0x449/0x710 [ 3547.636960][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.636960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.636960][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.636960][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.636960][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.636960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.636960][ T73] [ 3547.639186][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3547.639186][ T73] netdev_get_by_index+0x5e/0x80 [ 3547.639186][ T73] fib6_nh_init+0x3d8/0x1580 [ 3547.639186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3547.639186][ T73] ip6_route_add+0x1c/0x140 [ 3547.639186][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3547.639186][ T73] addrconf_add_dev+0xe2/0x170 [ 3547.639186][ T73] inet6_addr_add+0x12f/0xa40 [ 3547.639186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3547.639186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.639186][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.639186][ T73] netlink_unicast+0x449/0x710 [ 3547.639186][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.639186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.639186][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.639186][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.639186][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.639186][ T73] [ 3547.641745][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3547.641745][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3547.641745][ T73] ipv6_find_idev+0x102/0x170 [ 3547.641745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.641745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.641745][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.641745][ T73] netlink_unicast+0x449/0x710 [ 3547.641745][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.641745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.641745][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.641745][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.641745][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.641745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.641745][ T73] [ 3547.643458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3547.643458][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3547.643458][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3547.643458][ T73] ipv6_find_idev+0x102/0x170 [ 3547.643458][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3547.643458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3547.643458][ T73] netlink_rcv_skb+0x130/0x360 [ 3547.643458][ T73] netlink_unicast+0x449/0x710 [ 3547.643458][ T73] netlink_sendmsg+0x723/0xbe0 [ 3547.643458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3547.643458][ T73] ___sys_sendmsg+0xee/0x170 [ 3547.643458][ T73] __sys_sendmsg+0xcd/0x170 [ 3547.643458][ T73] do_syscall_64+0xc6/0x1e0 [ 3547.643458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3547.643458][ T73] [ 3557.702917][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3557.703305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.703305][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3557.703305][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3557.703305][ T73] fib6_nh_init+0xa22/0x1580 [ 3557.703305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.703305][ T73] ip6_route_add+0x1c/0x140 [ 3557.703305][ T73] inet6_rtm_newroute+0x104/0x110 [ 3557.703305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.703305][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.703305][ T73] netlink_unicast+0x449/0x710 [ 3557.703305][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.703305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.703305][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.703305][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.703305][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.703305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.703305][ T73] [ 3557.706005][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.706005][ T73] dst_init+0x84/0x4a0 [ 3557.706005][ T73] dst_alloc+0x97/0x150 [ 3557.706005][ T73] ip6_dst_alloc+0x23/0x90 [ 3557.706005][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3557.706005][ T73] ip6_pol_route+0x56f/0x840 [ 3557.706005][ T73] fib6_rule_lookup+0x456/0x630 [ 3557.706005][ T73] ip6_route_input+0x59c/0xa50 [ 3557.706005][ T73] ipv6_rcv+0x397/0x810 [ 3557.706005][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3557.706005][ T73] process_backlog+0x101/0x620 [ 3557.706005][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3557.706005][ T73] net_rx_action+0x495/0xbe0 [ 3557.706005][ T73] __do_softirq+0x1b5/0x7f6 [ 3557.706005][ T73] [ 3557.708571][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.708571][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.708571][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.708571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.708571][ T73] ip6_route_add+0x1c/0x140 [ 3557.708571][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3557.708571][ T73] inet6_addr_add+0x4f8/0xa40 [ 3557.708571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.708571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.708571][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.708571][ T73] netlink_unicast+0x449/0x710 [ 3557.708571][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.708571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.708571][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.708571][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.708571][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.708571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.708571][ T73] [ 3557.711665][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.711665][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.711665][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.711665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.711665][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3557.711665][ T73] ipv6_add_addr+0x411/0x2000 [ 3557.711665][ T73] inet6_addr_add+0x30e/0xa40 [ 3557.711665][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.711665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.711665][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.711665][ T73] netlink_unicast+0x449/0x710 [ 3557.711665][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.711665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.711665][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.711665][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.711665][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.711665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.711665][ T73] [ 3557.714799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.714799][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.714799][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.714799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.714799][ T73] ip6_route_add+0x1c/0x140 [ 3557.714799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3557.714799][ T73] addrconf_add_dev+0xe2/0x170 [ 3557.714799][ T73] inet6_addr_add+0x12f/0xa40 [ 3557.714799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.714799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.714799][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.714799][ T73] netlink_unicast+0x449/0x710 [ 3557.714799][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.714799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.714799][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.714799][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.714799][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.714799][ T73] [ 3557.717858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.717858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3557.717858][ T73] ipv6_find_idev+0x102/0x170 [ 3557.717858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.717858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.717858][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.717858][ T73] netlink_unicast+0x449/0x710 [ 3557.717858][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.717858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.717858][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.717858][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.717858][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.717858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.717858][ T73] [ 3557.720263][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3557.720263][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3557.720263][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3557.720263][ T73] ipv6_find_idev+0x102/0x170 [ 3557.720263][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.720263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.720263][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.720263][ T73] netlink_unicast+0x449/0x710 [ 3557.720263][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.720263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.720263][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.720263][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.720263][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.720263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.720263][ T73] [ 3557.722916][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3557.723334][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.723334][ T73] dst_init+0x84/0x4a0 [ 3557.723334][ T73] dst_alloc+0x97/0x150 [ 3557.723334][ T73] ip6_dst_alloc+0x23/0x90 [ 3557.723334][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3557.723334][ T73] ip6_pol_route+0x56f/0x840 [ 3557.723334][ T73] fib6_rule_lookup+0x456/0x630 [ 3557.723334][ T73] ip6_route_input+0x59c/0xa50 [ 3557.723334][ T73] ipv6_rcv+0x397/0x810 [ 3557.723334][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3557.723334][ T73] process_backlog+0x101/0x620 [ 3557.723334][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3557.723334][ T73] net_rx_action+0x495/0xbe0 [ 3557.723334][ T73] __do_softirq+0x1b5/0x7f6 [ 3557.723334][ T73] [ 3557.725941][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.725941][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.725941][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.725941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.725941][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3557.725941][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3557.725941][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3557.725941][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3557.725941][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3557.725941][ T73] addrconf_dad_begin+0x310/0x670 [ 3557.725941][ T73] addrconf_dad_work+0x10b/0xab0 [ 3557.725941][ T73] process_one_work+0x84d/0x18a0 [ 3557.725941][ T73] worker_thread+0x587/0xd30 [ 3557.725941][ T73] kthread+0x28a/0x350 [ 3557.725941][ T73] ret_from_fork+0x31/0x70 [ 3557.725941][ T73] ret_from_fork_asm+0x1a/0x30 [ 3557.725941][ T73] [ 3557.728859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.728859][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.728859][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.728859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.728859][ T73] ip6_route_add+0x1c/0x140 [ 3557.728859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3557.728859][ T73] inet6_addr_add+0x4f8/0xa40 [ 3557.728859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.728859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.728859][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.728859][ T73] netlink_unicast+0x449/0x710 [ 3557.728859][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.728859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.728859][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.728859][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.728859][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.728859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.728859][ T73] [ 3557.730889][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.730889][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.730889][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.730889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.730889][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3557.730889][ T73] ipv6_add_addr+0x411/0x2000 [ 3557.730889][ T73] inet6_addr_add+0x30e/0xa40 [ 3557.730889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.730889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.730889][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.730889][ T73] netlink_unicast+0x449/0x710 [ 3557.730889][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.730889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.730889][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.730889][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.730889][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.730889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.730889][ T73] [ 3557.732886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.732886][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.732886][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.732886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.732886][ T73] ip6_route_add+0x1c/0x140 [ 3557.732886][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3557.732886][ T73] addrconf_add_dev+0xe2/0x170 [ 3557.732886][ T73] inet6_addr_add+0x12f/0xa40 [ 3557.732886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.732886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.732886][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.732886][ T73] netlink_unicast+0x449/0x710 [ 3557.732886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.732886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.732886][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.732886][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.732886][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.732886][ T73] [ 3557.734875][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.734875][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3557.734875][ T73] ipv6_find_idev+0x102/0x170 [ 3557.734875][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.734875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.734875][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.734875][ T73] netlink_unicast+0x449/0x710 [ 3557.734875][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.734875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.734875][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.734875][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.734875][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.734875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.734875][ T73] [ 3557.736410][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3557.736410][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3557.736410][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3557.736410][ T73] ipv6_find_idev+0x102/0x170 [ 3557.736410][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.736410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.736410][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.736410][ T73] netlink_unicast+0x449/0x710 [ 3557.736410][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.736410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.736410][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.736410][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.736410][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.736410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.736410][ T73] [ 3557.738230][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3557.738499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.738499][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3557.738499][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3557.738499][ T73] fib6_nh_init+0xa22/0x1580 [ 3557.738499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.738499][ T73] ip6_route_add+0x1c/0x140 [ 3557.738499][ T73] inet6_rtm_newroute+0x104/0x110 [ 3557.738499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.738499][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.738499][ T73] netlink_unicast+0x449/0x710 [ 3557.738499][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.738499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.738499][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.738499][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.738499][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.738499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.738499][ T73] [ 3557.740613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.740613][ T73] dst_init+0x84/0x4a0 [ 3557.740613][ T73] dst_alloc+0x97/0x150 [ 3557.740613][ T73] ip6_dst_alloc+0x23/0x90 [ 3557.740613][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3557.740613][ T73] ip6_pol_route+0x56f/0x840 [ 3557.740613][ T73] fib6_rule_lookup+0x456/0x630 [ 3557.740613][ T73] ip6_route_input+0x59c/0xa50 [ 3557.740613][ T73] ipv6_rcv+0x397/0x810 [ 3557.740613][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3557.740613][ T73] process_backlog+0x101/0x620 [ 3557.740613][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3557.740613][ T73] net_rx_action+0x495/0xbe0 [ 3557.740613][ T73] __do_softirq+0x1b5/0x7f6 [ 3557.740613][ T73] [ 3557.742507][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.742507][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.742507][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.742507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.742507][ T73] ip6_route_add+0x1c/0x140 [ 3557.742507][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3557.742507][ T73] inet6_addr_add+0x4f8/0xa40 [ 3557.742507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.742507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.742507][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.742507][ T73] netlink_unicast+0x449/0x710 [ 3557.742507][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.742507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.742507][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.742507][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.742507][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.742507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.742507][ T73] [ 3557.744752][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.744752][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.744752][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.744752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.744752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3557.744752][ T73] ipv6_add_addr+0x411/0x2000 [ 3557.744752][ T73] inet6_addr_add+0x30e/0xa40 [ 3557.744752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.744752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.744752][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.744752][ T73] netlink_unicast+0x449/0x710 [ 3557.744752][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.744752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.744752][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.744752][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.744752][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.744752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.744752][ T73] [ 3557.746863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.746863][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.746863][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.746863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.746863][ T73] ip6_route_add+0x1c/0x140 [ 3557.746863][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3557.746863][ T73] addrconf_add_dev+0xe2/0x170 [ 3557.746863][ T73] inet6_addr_add+0x12f/0xa40 [ 3557.746863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.746863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.746863][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.746863][ T73] netlink_unicast+0x449/0x710 [ 3557.746863][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.746863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.746863][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.746863][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.746863][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.746863][ T73] [ 3557.749083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.749083][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3557.749083][ T73] ipv6_find_idev+0x102/0x170 [ 3557.749083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.749083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.749083][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.749083][ T73] netlink_unicast+0x449/0x710 [ 3557.749083][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.749083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.749083][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.749083][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.749083][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.749083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.749083][ T73] [ 3557.750796][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3557.750796][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3557.750796][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3557.750796][ T73] ipv6_find_idev+0x102/0x170 [ 3557.750796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.750796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.750796][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.750796][ T73] netlink_unicast+0x449/0x710 [ 3557.750796][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.750796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.750796][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.750796][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.750796][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.750796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.750796][ T73] [ 3557.752795][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3557.753066][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3557.753066][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.753066][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.753066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.753066][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3557.753066][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3557.753066][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3557.753066][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3557.753066][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3557.753066][ T73] addrconf_dad_begin+0x310/0x670 [ 3557.753066][ T73] addrconf_dad_work+0x10b/0xab0 [ 3557.753066][ T73] process_one_work+0x84d/0x18a0 [ 3557.753066][ T73] worker_thread+0x587/0xd30 [ 3557.753066][ T73] kthread+0x28a/0x350 [ 3557.753066][ T73] ret_from_fork+0x31/0x70 [ 3557.753066][ T73] ret_from_fork_asm+0x1a/0x30 [ 3557.753066][ T73] [ 3557.755214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3557.755214][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.755214][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.755214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.755214][ T73] ip6_route_add+0x1c/0x140 [ 3557.755214][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3557.755214][ T73] inet6_addr_add+0x4f8/0xa40 [ 3557.755214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.755214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.755214][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.755214][ T73] netlink_unicast+0x449/0x710 [ 3557.755214][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.755214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.755214][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.755214][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.755214][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.755214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.755214][ T73] [ 3557.757384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3557.757384][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.757384][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.757384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.757384][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3557.757384][ T73] ipv6_add_addr+0x411/0x2000 [ 3557.757384][ T73] inet6_addr_add+0x30e/0xa40 [ 3557.757384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.757384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.757384][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.757384][ T73] netlink_unicast+0x449/0x710 [ 3557.757384][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.757384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.757384][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.757384][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.757384][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.757384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.757384][ T73] [ 3557.759611][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3557.759611][ T73] netdev_get_by_index+0x5e/0x80 [ 3557.759611][ T73] fib6_nh_init+0x3d8/0x1580 [ 3557.759611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3557.759611][ T73] ip6_route_add+0x1c/0x140 [ 3557.759611][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3557.759611][ T73] addrconf_add_dev+0xe2/0x170 [ 3557.759611][ T73] inet6_addr_add+0x12f/0xa40 [ 3557.759611][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3557.759611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.759611][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.759611][ T73] netlink_unicast+0x449/0x710 [ 3557.759611][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.759611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.759611][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.759611][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.759611][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.759611][ T73] [ 3557.761864][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3557.761864][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3557.761864][ T73] ipv6_find_idev+0x102/0x170 [ 3557.761864][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.761864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.761864][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.761864][ T73] netlink_unicast+0x449/0x710 [ 3557.761864][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.761864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.761864][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.761864][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.761864][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.761864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.761864][ T73] [ 3557.763584][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3557.763584][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3557.763584][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3557.763584][ T73] ipv6_find_idev+0x102/0x170 [ 3557.763584][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3557.763584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3557.763584][ T73] netlink_rcv_skb+0x130/0x360 [ 3557.763584][ T73] netlink_unicast+0x449/0x710 [ 3557.763584][ T73] netlink_sendmsg+0x723/0xbe0 [ 3557.763584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3557.763584][ T73] ___sys_sendmsg+0xee/0x170 [ 3557.763584][ T73] __sys_sendmsg+0xcd/0x170 [ 3557.763584][ T73] do_syscall_64+0xc6/0x1e0 [ 3557.763584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3557.763584][ T73] [ 3568.006817][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3568.007282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.007282][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3568.007282][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3568.007282][ T73] fib6_nh_init+0xa22/0x1580 [ 3568.007282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.007282][ T73] ip6_route_add+0x1c/0x140 [ 3568.007282][ T73] inet6_rtm_newroute+0x104/0x110 [ 3568.007282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.007282][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.007282][ T73] netlink_unicast+0x449/0x710 [ 3568.007282][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.007282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.007282][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.007282][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.007282][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.007282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.007282][ T73] [ 3568.009186][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.009186][ T73] dst_init+0x84/0x4a0 [ 3568.009186][ T73] dst_alloc+0x97/0x150 [ 3568.009186][ T73] ip6_dst_alloc+0x23/0x90 [ 3568.009186][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3568.009186][ T73] ip6_pol_route+0x56f/0x840 [ 3568.009186][ T73] fib6_rule_lookup+0x456/0x630 [ 3568.009186][ T73] ip6_route_input+0x59c/0xa50 [ 3568.009186][ T73] ipv6_rcv+0x397/0x810 [ 3568.009186][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3568.009186][ T73] process_backlog+0x101/0x620 [ 3568.009186][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3568.009186][ T73] net_rx_action+0x495/0xbe0 [ 3568.009186][ T73] __do_softirq+0x1b5/0x7f6 [ 3568.009186][ T73] [ 3568.010815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.010815][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.010815][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.010815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.010815][ T73] ip6_route_add+0x1c/0x140 [ 3568.010815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3568.010815][ T73] inet6_addr_add+0x4f8/0xa40 [ 3568.010815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.010815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.010815][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.010815][ T73] netlink_unicast+0x449/0x710 [ 3568.010815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.010815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.010815][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.010815][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.010815][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.010815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.010815][ T73] [ 3568.012839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.012839][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.012839][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.012839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.012839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3568.012839][ T73] ipv6_add_addr+0x411/0x2000 [ 3568.012839][ T73] inet6_addr_add+0x30e/0xa40 [ 3568.012839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.012839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.012839][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.012839][ T73] netlink_unicast+0x449/0x710 [ 3568.012839][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.012839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.012839][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.012839][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.012839][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.012839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.012839][ T73] [ 3568.014846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.014846][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.014846][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.014846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.014846][ T73] ip6_route_add+0x1c/0x140 [ 3568.014846][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3568.014846][ T73] addrconf_add_dev+0xe2/0x170 [ 3568.014846][ T73] inet6_addr_add+0x12f/0xa40 [ 3568.014846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.014846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.014846][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.014846][ T73] netlink_unicast+0x449/0x710 [ 3568.014846][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.014846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.014846][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.014846][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.014846][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.014846][ T73] [ 3568.016822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.016822][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3568.016822][ T73] ipv6_find_idev+0x102/0x170 [ 3568.016822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.016822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.016822][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.016822][ T73] netlink_unicast+0x449/0x710 [ 3568.016822][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.016822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.016822][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.016822][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.016822][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.016822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.016822][ T73] [ 3568.018360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3568.018360][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3568.018360][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3568.018360][ T73] ipv6_find_idev+0x102/0x170 [ 3568.018360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.018360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.018360][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.018360][ T73] netlink_unicast+0x449/0x710 [ 3568.018360][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.018360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.018360][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.018360][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.018360][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.018360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.018360][ T73] [ 3568.020053][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3568.020320][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.020320][ T73] dst_init+0x84/0x4a0 [ 3568.020320][ T73] dst_alloc+0x97/0x150 [ 3568.020320][ T73] ip6_dst_alloc+0x23/0x90 [ 3568.020320][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3568.020320][ T73] ip6_pol_route+0x56f/0x840 [ 3568.020320][ T73] fib6_rule_lookup+0x456/0x630 [ 3568.020320][ T73] ip6_route_input+0x59c/0xa50 [ 3568.020320][ T73] ipv6_rcv+0x397/0x810 [ 3568.020320][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3568.020320][ T73] process_backlog+0x101/0x620 [ 3568.020320][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3568.020320][ T73] net_rx_action+0x495/0xbe0 [ 3568.020320][ T73] __do_softirq+0x1b5/0x7f6 [ 3568.020320][ T73] [ 3568.021963][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.021963][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.021963][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.021963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.021963][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3568.021963][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3568.021963][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3568.021963][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3568.021963][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3568.021963][ T73] addrconf_dad_begin+0x310/0x670 [ 3568.021963][ T73] addrconf_dad_work+0x10b/0xab0 [ 3568.021963][ T73] process_one_work+0x84d/0x18a0 [ 3568.021963][ T73] worker_thread+0x587/0xd30 [ 3568.021963][ T73] kthread+0x28a/0x350 [ 3568.021963][ T73] ret_from_fork+0x31/0x70 [ 3568.021963][ T73] ret_from_fork_asm+0x1a/0x30 [ 3568.021963][ T73] [ 3568.023865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.023865][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.023865][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.023865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.023865][ T73] ip6_route_add+0x1c/0x140 [ 3568.023865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3568.023865][ T73] inet6_addr_add+0x4f8/0xa40 [ 3568.023865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.023865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.023865][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.023865][ T73] netlink_unicast+0x449/0x710 [ 3568.023865][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.023865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.023865][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.023865][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.023865][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.023865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.023865][ T73] [ 3568.025870][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.025870][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.025870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.025870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.025870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3568.025870][ T73] ipv6_add_addr+0x411/0x2000 [ 3568.025870][ T73] inet6_addr_add+0x30e/0xa40 [ 3568.025870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.025870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.025870][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.025870][ T73] netlink_unicast+0x449/0x710 [ 3568.025870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.025870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.025870][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.025870][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.025870][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.025870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.025870][ T73] [ 3568.027870][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.027870][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.027870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.027870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.027870][ T73] ip6_route_add+0x1c/0x140 [ 3568.027870][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3568.027870][ T73] addrconf_add_dev+0xe2/0x170 [ 3568.027870][ T73] inet6_addr_add+0x12f/0xa40 [ 3568.027870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.027870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.027870][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.027870][ T73] netlink_unicast+0x449/0x710 [ 3568.027870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.027870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.027870][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.027870][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.027870][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.027870][ T73] [ 3568.029977][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.029977][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3568.029977][ T73] ipv6_find_idev+0x102/0x170 [ 3568.029977][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.029977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.029977][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.029977][ T73] netlink_unicast+0x449/0x710 [ 3568.029977][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.029977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.029977][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.029977][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.029977][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.029977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.029977][ T73] [ 3568.031512][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3568.031512][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3568.031512][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3568.031512][ T73] ipv6_find_idev+0x102/0x170 [ 3568.031512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.031512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.031512][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.031512][ T73] netlink_unicast+0x449/0x710 [ 3568.031512][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.031512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.031512][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.031512][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.031512][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.031512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.031512][ T73] [ 3568.033324][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3568.033600][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.033600][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3568.033600][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3568.033600][ T73] fib6_nh_init+0xa22/0x1580 [ 3568.033600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.033600][ T73] ip6_route_add+0x1c/0x140 [ 3568.033600][ T73] inet6_rtm_newroute+0x104/0x110 [ 3568.033600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.033600][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.033600][ T73] netlink_unicast+0x449/0x710 [ 3568.033600][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.033600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.033600][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.033600][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.033600][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.033600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.033600][ T73] [ 3568.035785][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.035785][ T73] dst_init+0x84/0x4a0 [ 3568.035785][ T73] dst_alloc+0x97/0x150 [ 3568.035785][ T73] ip6_dst_alloc+0x23/0x90 [ 3568.035785][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3568.035785][ T73] ip6_pol_route+0x56f/0x840 [ 3568.035785][ T73] fib6_rule_lookup+0x456/0x630 [ 3568.035785][ T73] ip6_route_input+0x59c/0xa50 [ 3568.035785][ T73] ipv6_rcv+0x397/0x810 [ 3568.035785][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3568.035785][ T73] process_backlog+0x101/0x620 [ 3568.035785][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3568.035785][ T73] net_rx_action+0x495/0xbe0 [ 3568.035785][ T73] __do_softirq+0x1b5/0x7f6 [ 3568.035785][ T73] [ 3568.037604][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.037604][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.037604][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.037604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.037604][ T73] ip6_route_add+0x1c/0x140 [ 3568.037604][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3568.037604][ T73] inet6_addr_add+0x4f8/0xa40 [ 3568.037604][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.037604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.037604][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.037604][ T73] netlink_unicast+0x449/0x710 [ 3568.037604][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.037604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.037604][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.037604][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.037604][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.037604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.037604][ T73] [ 3568.039838][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.039838][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.039838][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.039838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.039838][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3568.039838][ T73] ipv6_add_addr+0x411/0x2000 [ 3568.039838][ T73] inet6_addr_add+0x30e/0xa40 [ 3568.039838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.039838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.039838][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.039838][ T73] netlink_unicast+0x449/0x710 [ 3568.039838][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.039838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.039838][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.039838][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.039838][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.039838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.039838][ T73] [ 3568.042033][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.042033][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.042033][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.042033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.042033][ T73] ip6_route_add+0x1c/0x140 [ 3568.042033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3568.042033][ T73] addrconf_add_dev+0xe2/0x170 [ 3568.042033][ T73] inet6_addr_add+0x12f/0xa40 [ 3568.042033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.042033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.042033][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.042033][ T73] netlink_unicast+0x449/0x710 [ 3568.042033][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.042033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.042033][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.042033][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.042033][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.042033][ T73] [ 3568.044304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.044304][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3568.044304][ T73] ipv6_find_idev+0x102/0x170 [ 3568.044304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.044304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.044304][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.044304][ T73] netlink_unicast+0x449/0x710 [ 3568.044304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.044304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.044304][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.044304][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.044304][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.044304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.044304][ T73] [ 3568.046026][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3568.046026][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3568.046026][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3568.046026][ T73] ipv6_find_idev+0x102/0x170 [ 3568.046026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.046026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.046026][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.046026][ T73] netlink_unicast+0x449/0x710 [ 3568.046026][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.046026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.046026][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.046026][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.046026][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.046026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.046026][ T73] [ 3568.047955][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3568.048232][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3568.048232][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.048232][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.048232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.048232][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3568.048232][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3568.048232][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3568.048232][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3568.048232][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3568.048232][ T73] addrconf_dad_begin+0x310/0x670 [ 3568.048232][ T73] addrconf_dad_work+0x10b/0xab0 [ 3568.048232][ T73] process_one_work+0x84d/0x18a0 [ 3568.048232][ T73] worker_thread+0x587/0xd30 [ 3568.048232][ T73] kthread+0x28a/0x350 [ 3568.048232][ T73] ret_from_fork+0x31/0x70 [ 3568.048232][ T73] ret_from_fork_asm+0x1a/0x30 [ 3568.048232][ T73] [ 3568.050384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3568.050384][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.050384][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.050384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.050384][ T73] ip6_route_add+0x1c/0x140 [ 3568.050384][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3568.050384][ T73] inet6_addr_add+0x4f8/0xa40 [ 3568.050384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.050384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.050384][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.050384][ T73] netlink_unicast+0x449/0x710 [ 3568.050384][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.050384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.050384][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.050384][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.050384][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.050384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.050384][ T73] [ 3568.052558][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3568.052558][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.052558][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.052558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.052558][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3568.052558][ T73] ipv6_add_addr+0x411/0x2000 [ 3568.052558][ T73] inet6_addr_add+0x30e/0xa40 [ 3568.052558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.052558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.052558][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.052558][ T73] netlink_unicast+0x449/0x710 [ 3568.052558][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.052558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.052558][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.052558][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.052558][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.052558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.052558][ T73] [ 3568.054883][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3568.054883][ T73] netdev_get_by_index+0x5e/0x80 [ 3568.054883][ T73] fib6_nh_init+0x3d8/0x1580 [ 3568.054883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3568.054883][ T73] ip6_route_add+0x1c/0x140 [ 3568.054883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3568.054883][ T73] addrconf_add_dev+0xe2/0x170 [ 3568.054883][ T73] inet6_addr_add+0x12f/0xa40 [ 3568.054883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.054883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.054883][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.054883][ T73] netlink_unicast+0x449/0x710 [ 3568.054883][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.054883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.054883][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.054883][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.054883][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.054883][ T73] [ 3568.057083][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3568.057083][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3568.057083][ T73] ipv6_find_idev+0x102/0x170 [ 3568.057083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.057083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.057083][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.057083][ T73] netlink_unicast+0x449/0x710 [ 3568.057083][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.057083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.057083][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.057083][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.057083][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.057083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.057083][ T73] [ 3568.058798][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3568.058798][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3568.058798][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3568.058798][ T73] ipv6_find_idev+0x102/0x170 [ 3568.058798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.058798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.058798][ T73] netlink_rcv_skb+0x130/0x360 [ 3568.058798][ T73] netlink_unicast+0x449/0x710 [ 3568.058798][ T73] netlink_sendmsg+0x723/0xbe0 [ 3568.058798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3568.058798][ T73] ___sys_sendmsg+0xee/0x170 [ 3568.058798][ T73] __sys_sendmsg+0xcd/0x170 [ 3568.058798][ T73] do_syscall_64+0xc6/0x1e0 [ 3568.058798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.058798][ T73] [ 3578.302844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3578.303384][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.303384][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3578.303384][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3578.303384][ T73] fib6_nh_init+0xa22/0x1580 [ 3578.303384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.303384][ T73] ip6_route_add+0x1c/0x140 [ 3578.303384][ T73] inet6_rtm_newroute+0x104/0x110 [ 3578.303384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.303384][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.303384][ T73] netlink_unicast+0x449/0x710 [ 3578.303384][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.303384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.303384][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.303384][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.303384][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.303384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.303384][ T73] [ 3578.305419][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.305419][ T73] dst_init+0x84/0x4a0 [ 3578.305419][ T73] dst_alloc+0x97/0x150 [ 3578.305419][ T73] ip6_dst_alloc+0x23/0x90 [ 3578.305419][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3578.305419][ T73] ip6_pol_route+0x56f/0x840 [ 3578.305419][ T73] fib6_rule_lookup+0x456/0x630 [ 3578.305419][ T73] ip6_route_input+0x59c/0xa50 [ 3578.305419][ T73] ipv6_rcv+0x397/0x810 [ 3578.305419][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3578.305419][ T73] process_backlog+0x101/0x620 [ 3578.305419][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3578.305419][ T73] net_rx_action+0x495/0xbe0 [ 3578.305419][ T73] __do_softirq+0x1b5/0x7f6 [ 3578.305419][ T73] [ 3578.307159][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.307159][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.307159][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.307159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.307159][ T73] ip6_route_add+0x1c/0x140 [ 3578.307159][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3578.307159][ T73] inet6_addr_add+0x4f8/0xa40 [ 3578.307159][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.307159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.307159][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.307159][ T73] netlink_unicast+0x449/0x710 [ 3578.307159][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.307159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.307159][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.307159][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.307159][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.307159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.307159][ T73] [ 3578.309172][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.309172][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.309172][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.309172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.309172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3578.309172][ T73] ipv6_add_addr+0x411/0x2000 [ 3578.309172][ T73] inet6_addr_add+0x30e/0xa40 [ 3578.309172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.309172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.309172][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.309172][ T73] netlink_unicast+0x449/0x710 [ 3578.309172][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.309172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.309172][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.309172][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.309172][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.309172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.309172][ T73] [ 3578.311191][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.311191][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.311191][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.311191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.311191][ T73] ip6_route_add+0x1c/0x140 [ 3578.311191][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3578.311191][ T73] addrconf_add_dev+0xe2/0x170 [ 3578.311191][ T73] inet6_addr_add+0x12f/0xa40 [ 3578.311191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.311191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.311191][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.311191][ T73] netlink_unicast+0x449/0x710 [ 3578.311191][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.311191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.311191][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.311191][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.311191][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.311191][ T73] [ 3578.313209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.313209][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3578.313209][ T73] ipv6_find_idev+0x102/0x170 [ 3578.313209][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.313209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.313209][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.313209][ T73] netlink_unicast+0x449/0x710 [ 3578.313209][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.313209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.313209][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.313209][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.313209][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.313209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.313209][ T73] [ 3578.314911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3578.314911][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3578.314911][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3578.314911][ T73] ipv6_find_idev+0x102/0x170 [ 3578.314911][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.314911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.314911][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.314911][ T73] netlink_unicast+0x449/0x710 [ 3578.314911][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.314911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.314911][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.314911][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.314911][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.314911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.314911][ T73] [ 3578.316610][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3578.316896][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.316896][ T73] dst_init+0x84/0x4a0 [ 3578.316896][ T73] dst_alloc+0x97/0x150 [ 3578.316896][ T73] ip6_dst_alloc+0x23/0x90 [ 3578.316896][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3578.316896][ T73] ip6_pol_route+0x56f/0x840 [ 3578.316896][ T73] fib6_rule_lookup+0x456/0x630 [ 3578.316896][ T73] ip6_route_input+0x59c/0xa50 [ 3578.316896][ T73] ipv6_rcv+0x397/0x810 [ 3578.316896][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3578.316896][ T73] process_backlog+0x101/0x620 [ 3578.316896][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3578.316896][ T73] net_rx_action+0x495/0xbe0 [ 3578.316896][ T73] __do_softirq+0x1b5/0x7f6 [ 3578.316896][ T73] [ 3578.318616][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.318616][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.318616][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.318616][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.318616][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3578.318616][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3578.318616][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3578.318616][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3578.318616][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3578.318616][ T73] addrconf_dad_begin+0x310/0x670 [ 3578.318616][ T73] addrconf_dad_work+0x10b/0xab0 [ 3578.318616][ T73] process_one_work+0x84d/0x18a0 [ 3578.318616][ T73] worker_thread+0x587/0xd30 [ 3578.318616][ T73] kthread+0x28a/0x350 [ 3578.318616][ T73] ret_from_fork+0x31/0x70 [ 3578.318616][ T73] ret_from_fork_asm+0x1a/0x30 [ 3578.318616][ T73] [ 3578.320590][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.320590][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.320590][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.320590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.320590][ T73] ip6_route_add+0x1c/0x140 [ 3578.320590][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3578.320590][ T73] inet6_addr_add+0x4f8/0xa40 [ 3578.320590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.320590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.320590][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.320590][ T73] netlink_unicast+0x449/0x710 [ 3578.320590][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.320590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.320590][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.320590][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.320590][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.320590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.320590][ T73] [ 3578.322691][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.322691][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.322691][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.322691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.322691][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3578.322691][ T73] ipv6_add_addr+0x411/0x2000 [ 3578.322691][ T73] inet6_addr_add+0x30e/0xa40 [ 3578.322691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.322691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.322691][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.322691][ T73] netlink_unicast+0x449/0x710 [ 3578.322691][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.322691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.322691][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.322691][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.322691][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.322691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.322691][ T73] [ 3578.324791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.324791][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.324791][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.324791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.324791][ T73] ip6_route_add+0x1c/0x140 [ 3578.324791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3578.324791][ T73] addrconf_add_dev+0xe2/0x170 [ 3578.324791][ T73] inet6_addr_add+0x12f/0xa40 [ 3578.324791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.324791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.324791][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.324791][ T73] netlink_unicast+0x449/0x710 [ 3578.324791][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.324791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.324791][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.324791][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.324791][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.324791][ T73] [ 3578.326843][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.326843][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3578.326843][ T73] ipv6_find_idev+0x102/0x170 [ 3578.326843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.326843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.326843][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.326843][ T73] netlink_unicast+0x449/0x710 [ 3578.326843][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.326843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.326843][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.326843][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.326843][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.326843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.326843][ T73] [ 3578.328473][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3578.328473][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3578.328473][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3578.328473][ T73] ipv6_find_idev+0x102/0x170 [ 3578.328473][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.328473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.328473][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.328473][ T73] netlink_unicast+0x449/0x710 [ 3578.328473][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.328473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.328473][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.328473][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.328473][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.328473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.328473][ T73] [ 3578.330401][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3578.330669][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.330669][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3578.330669][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3578.330669][ T73] fib6_nh_init+0xa22/0x1580 [ 3578.330669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.330669][ T73] ip6_route_add+0x1c/0x140 [ 3578.330669][ T73] inet6_rtm_newroute+0x104/0x110 [ 3578.330669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.330669][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.330669][ T73] netlink_unicast+0x449/0x710 [ 3578.330669][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.330669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.330669][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.330669][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.330669][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.330669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.330669][ T73] [ 3578.332865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.332865][ T73] dst_init+0x84/0x4a0 [ 3578.332865][ T73] dst_alloc+0x97/0x150 [ 3578.332865][ T73] ip6_dst_alloc+0x23/0x90 [ 3578.332865][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3578.332865][ T73] ip6_pol_route+0x56f/0x840 [ 3578.332865][ T73] fib6_rule_lookup+0x456/0x630 [ 3578.332865][ T73] ip6_route_input+0x59c/0xa50 [ 3578.332865][ T73] ipv6_rcv+0x397/0x810 [ 3578.332865][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3578.332865][ T73] process_backlog+0x101/0x620 [ 3578.332865][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3578.332865][ T73] net_rx_action+0x495/0xbe0 [ 3578.332865][ T73] __do_softirq+0x1b5/0x7f6 [ 3578.332865][ T73] [ 3578.334690][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.334690][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.334690][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.334690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.334690][ T73] ip6_route_add+0x1c/0x140 [ 3578.334690][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3578.334690][ T73] inet6_addr_add+0x4f8/0xa40 [ 3578.334690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.334690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.334690][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.334690][ T73] netlink_unicast+0x449/0x710 [ 3578.334690][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.334690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.334690][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.334690][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.334690][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.334690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.334690][ T73] [ 3578.336948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.336948][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.336948][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.336948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.336948][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3578.336948][ T73] ipv6_add_addr+0x411/0x2000 [ 3578.336948][ T73] inet6_addr_add+0x30e/0xa40 [ 3578.336948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.336948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.336948][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.336948][ T73] netlink_unicast+0x449/0x710 [ 3578.336948][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.336948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.336948][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.336948][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.336948][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.336948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.336948][ T73] [ 3578.339308][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.339308][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.339308][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.339308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.339308][ T73] ip6_route_add+0x1c/0x140 [ 3578.339308][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3578.339308][ T73] addrconf_add_dev+0xe2/0x170 [ 3578.339308][ T73] inet6_addr_add+0x12f/0xa40 [ 3578.339308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.339308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.339308][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.339308][ T73] netlink_unicast+0x449/0x710 [ 3578.339308][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.339308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.339308][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.339308][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.339308][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.339308][ T73] [ 3578.342254][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.342254][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3578.342254][ T73] ipv6_find_idev+0x102/0x170 [ 3578.342254][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.342254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.342254][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.342254][ T73] netlink_unicast+0x449/0x710 [ 3578.342254][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.342254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.342254][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.342254][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.342254][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.342254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.342254][ T73] [ 3578.344061][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3578.344061][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3578.344061][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3578.344061][ T73] ipv6_find_idev+0x102/0x170 [ 3578.344061][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.344061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.344061][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.344061][ T73] netlink_unicast+0x449/0x710 [ 3578.344061][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.344061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.344061][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.344061][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.344061][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.344061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.344061][ T73] [ 3578.346131][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3578.346418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3578.346418][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.346418][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.346418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.346418][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3578.346418][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3578.346418][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3578.346418][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3578.346418][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3578.346418][ T73] addrconf_dad_begin+0x310/0x670 [ 3578.346418][ T73] addrconf_dad_work+0x10b/0xab0 [ 3578.346418][ T73] process_one_work+0x84d/0x18a0 [ 3578.346418][ T73] worker_thread+0x587/0xd30 [ 3578.346418][ T73] kthread+0x28a/0x350 [ 3578.346418][ T73] ret_from_fork+0x31/0x70 [ 3578.346418][ T73] ret_from_fork_asm+0x1a/0x30 [ 3578.346418][ T73] [ 3578.348694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3578.348694][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.348694][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.348694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.348694][ T73] ip6_route_add+0x1c/0x140 [ 3578.348694][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3578.348694][ T73] inet6_addr_add+0x4f8/0xa40 [ 3578.348694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.348694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.348694][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.348694][ T73] netlink_unicast+0x449/0x710 [ 3578.348694][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.348694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.348694][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.348694][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.348694][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.348694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.348694][ T73] [ 3578.350977][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3578.350977][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.350977][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.350977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.350977][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3578.350977][ T73] ipv6_add_addr+0x411/0x2000 [ 3578.350977][ T73] inet6_addr_add+0x30e/0xa40 [ 3578.350977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.350977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.350977][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.350977][ T73] netlink_unicast+0x449/0x710 [ 3578.350977][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.350977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.350977][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.350977][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.350977][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.350977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.350977][ T73] [ 3578.353310][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3578.353310][ T73] netdev_get_by_index+0x5e/0x80 [ 3578.353310][ T73] fib6_nh_init+0x3d8/0x1580 [ 3578.353310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3578.353310][ T73] ip6_route_add+0x1c/0x140 [ 3578.353310][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3578.353310][ T73] addrconf_add_dev+0xe2/0x170 [ 3578.353310][ T73] inet6_addr_add+0x12f/0xa40 [ 3578.353310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.353310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.353310][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.353310][ T73] netlink_unicast+0x449/0x710 [ 3578.353310][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.353310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.353310][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.353310][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.353310][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.353310][ T73] [ 3578.355544][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3578.355544][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3578.355544][ T73] ipv6_find_idev+0x102/0x170 [ 3578.355544][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.355544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.355544][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.355544][ T73] netlink_unicast+0x449/0x710 [ 3578.355544][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.355544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.355544][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.355544][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.355544][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.355544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.355544][ T73] [ 3578.357336][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3578.357336][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3578.357336][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3578.357336][ T73] ipv6_find_idev+0x102/0x170 [ 3578.357336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.357336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.357336][ T73] netlink_rcv_skb+0x130/0x360 [ 3578.357336][ T73] netlink_unicast+0x449/0x710 [ 3578.357336][ T73] netlink_sendmsg+0x723/0xbe0 [ 3578.357336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3578.357336][ T73] ___sys_sendmsg+0xee/0x170 [ 3578.357336][ T73] __sys_sendmsg+0xcd/0x170 [ 3578.357336][ T73] do_syscall_64+0xc6/0x1e0 [ 3578.357336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.357336][ T73] [ 3588.598889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3588.599309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.599309][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3588.599309][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3588.599309][ T73] fib6_nh_init+0xa22/0x1580 [ 3588.599309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.599309][ T73] ip6_route_add+0x1c/0x140 [ 3588.599309][ T73] inet6_rtm_newroute+0x104/0x110 [ 3588.599309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.599309][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.599309][ T73] netlink_unicast+0x449/0x710 [ 3588.599309][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.599309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.599309][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.599309][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.599309][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.599309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.599309][ T73] [ 3588.601352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.601352][ T73] dst_init+0x84/0x4a0 [ 3588.601352][ T73] dst_alloc+0x97/0x150 [ 3588.601352][ T73] ip6_dst_alloc+0x23/0x90 [ 3588.601352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3588.601352][ T73] ip6_pol_route+0x56f/0x840 [ 3588.601352][ T73] fib6_rule_lookup+0x456/0x630 [ 3588.601352][ T73] ip6_route_input+0x59c/0xa50 [ 3588.601352][ T73] ipv6_rcv+0x397/0x810 [ 3588.601352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3588.601352][ T73] process_backlog+0x101/0x620 [ 3588.601352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3588.601352][ T73] net_rx_action+0x495/0xbe0 [ 3588.601352][ T73] __do_softirq+0x1b5/0x7f6 [ 3588.601352][ T73] [ 3588.603099][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.603099][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.603099][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.603099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.603099][ T73] ip6_route_add+0x1c/0x140 [ 3588.603099][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3588.603099][ T73] inet6_addr_add+0x4f8/0xa40 [ 3588.603099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.603099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.603099][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.603099][ T73] netlink_unicast+0x449/0x710 [ 3588.603099][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.603099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.603099][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.603099][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.603099][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.603099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.603099][ T73] [ 3588.605266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.605266][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.605266][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.605266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.605266][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3588.605266][ T73] ipv6_add_addr+0x411/0x2000 [ 3588.605266][ T73] inet6_addr_add+0x30e/0xa40 [ 3588.605266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.605266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.605266][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.605266][ T73] netlink_unicast+0x449/0x710 [ 3588.605266][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.605266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.605266][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.605266][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.605266][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.605266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.605266][ T73] [ 3588.607454][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.607454][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.607454][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.607454][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.607454][ T73] ip6_route_add+0x1c/0x140 [ 3588.607454][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3588.607454][ T73] addrconf_add_dev+0xe2/0x170 [ 3588.607454][ T73] inet6_addr_add+0x12f/0xa40 [ 3588.607454][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.607454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.607454][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.607454][ T73] netlink_unicast+0x449/0x710 [ 3588.607454][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.607454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.607454][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.607454][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.607454][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.607454][ T73] [ 3588.609576][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.609576][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3588.609576][ T73] ipv6_find_idev+0x102/0x170 [ 3588.609576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.609576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.609576][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.609576][ T73] netlink_unicast+0x449/0x710 [ 3588.609576][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.609576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.609576][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.609576][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.609576][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.609576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.609576][ T73] [ 3588.611243][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3588.611243][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3588.611243][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3588.611243][ T73] ipv6_find_idev+0x102/0x170 [ 3588.611243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.611243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.611243][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.611243][ T73] netlink_unicast+0x449/0x710 [ 3588.611243][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.611243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.611243][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.611243][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.611243][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.611243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.611243][ T73] [ 3588.613074][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3588.613366][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.613366][ T73] dst_init+0x84/0x4a0 [ 3588.613366][ T73] dst_alloc+0x97/0x150 [ 3588.613366][ T73] ip6_dst_alloc+0x23/0x90 [ 3588.613366][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3588.613366][ T73] ip6_pol_route+0x56f/0x840 [ 3588.613366][ T73] fib6_rule_lookup+0x456/0x630 [ 3588.613366][ T73] ip6_route_input+0x59c/0xa50 [ 3588.613366][ T73] ipv6_rcv+0x397/0x810 [ 3588.613366][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3588.613366][ T73] process_backlog+0x101/0x620 [ 3588.613366][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3588.613366][ T73] net_rx_action+0x495/0xbe0 [ 3588.613366][ T73] __do_softirq+0x1b5/0x7f6 [ 3588.613366][ T73] [ 3588.615175][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.615175][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.615175][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.615175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.615175][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3588.615175][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3588.615175][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3588.615175][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3588.615175][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3588.615175][ T73] addrconf_dad_begin+0x310/0x670 [ 3588.615175][ T73] addrconf_dad_work+0x10b/0xab0 [ 3588.615175][ T73] process_one_work+0x84d/0x18a0 [ 3588.615175][ T73] worker_thread+0x587/0xd30 [ 3588.615175][ T73] kthread+0x28a/0x350 [ 3588.615175][ T73] ret_from_fork+0x31/0x70 [ 3588.615175][ T73] ret_from_fork_asm+0x1a/0x30 [ 3588.615175][ T73] [ 3588.617214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.617214][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.617214][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.617214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.617214][ T73] ip6_route_add+0x1c/0x140 [ 3588.617214][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3588.617214][ T73] inet6_addr_add+0x4f8/0xa40 [ 3588.617214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.617214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.617214][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.617214][ T73] netlink_unicast+0x449/0x710 [ 3588.617214][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.617214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.617214][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.617214][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.617214][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.617214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.617214][ T73] [ 3588.619201][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.619201][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.619201][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.619201][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.619201][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3588.619201][ T73] ipv6_add_addr+0x411/0x2000 [ 3588.619201][ T73] inet6_addr_add+0x30e/0xa40 [ 3588.619201][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.619201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.619201][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.619201][ T73] netlink_unicast+0x449/0x710 [ 3588.619201][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.619201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.619201][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.619201][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.619201][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.619201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.619201][ T73] [ 3588.621193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.621193][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.621193][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.621193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.621193][ T73] ip6_route_add+0x1c/0x140 [ 3588.621193][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3588.621193][ T73] addrconf_add_dev+0xe2/0x170 [ 3588.621193][ T73] inet6_addr_add+0x12f/0xa40 [ 3588.621193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.621193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.621193][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.621193][ T73] netlink_unicast+0x449/0x710 [ 3588.621193][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.621193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.621193][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.621193][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.621193][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.621193][ T73] [ 3588.623136][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.623136][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3588.623136][ T73] ipv6_find_idev+0x102/0x170 [ 3588.623136][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.623136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.623136][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.623136][ T73] netlink_unicast+0x449/0x710 [ 3588.623136][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.623136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.623136][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.623136][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.623136][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.623136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.623136][ T73] [ 3588.624667][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3588.624667][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3588.624667][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3588.624667][ T73] ipv6_find_idev+0x102/0x170 [ 3588.624667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.624667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.624667][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.624667][ T73] netlink_unicast+0x449/0x710 [ 3588.624667][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.624667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.624667][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.624667][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.624667][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.624667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.624667][ T73] [ 3588.626471][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3588.626739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.626739][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3588.626739][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3588.626739][ T73] fib6_nh_init+0xa22/0x1580 [ 3588.626739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.626739][ T73] ip6_route_add+0x1c/0x140 [ 3588.626739][ T73] inet6_rtm_newroute+0x104/0x110 [ 3588.626739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.626739][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.626739][ T73] netlink_unicast+0x449/0x710 [ 3588.626739][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.626739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.626739][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.626739][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.626739][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.626739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.626739][ T73] [ 3588.628917][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.628917][ T73] dst_init+0x84/0x4a0 [ 3588.628917][ T73] dst_alloc+0x97/0x150 [ 3588.628917][ T73] ip6_dst_alloc+0x23/0x90 [ 3588.628917][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3588.628917][ T73] ip6_pol_route+0x56f/0x840 [ 3588.628917][ T73] fib6_rule_lookup+0x456/0x630 [ 3588.628917][ T73] ip6_route_input+0x59c/0xa50 [ 3588.628917][ T73] ipv6_rcv+0x397/0x810 [ 3588.628917][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3588.628917][ T73] process_backlog+0x101/0x620 [ 3588.628917][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3588.628917][ T73] net_rx_action+0x495/0xbe0 [ 3588.628917][ T73] __do_softirq+0x1b5/0x7f6 [ 3588.628917][ T73] [ 3588.630714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.630714][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.630714][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.630714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.630714][ T73] ip6_route_add+0x1c/0x140 [ 3588.630714][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3588.630714][ T73] inet6_addr_add+0x4f8/0xa40 [ 3588.630714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.630714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.630714][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.630714][ T73] netlink_unicast+0x449/0x710 [ 3588.630714][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.630714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.630714][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.630714][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.630714][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.630714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.630714][ T73] [ 3588.632937][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.632937][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.632937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.632937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.632937][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3588.632937][ T73] ipv6_add_addr+0x411/0x2000 [ 3588.632937][ T73] inet6_addr_add+0x30e/0xa40 [ 3588.632937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.632937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.632937][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.632937][ T73] netlink_unicast+0x449/0x710 [ 3588.632937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.632937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.632937][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.632937][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.632937][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.632937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.632937][ T73] [ 3588.635107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.635107][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.635107][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.635107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.635107][ T73] ip6_route_add+0x1c/0x140 [ 3588.635107][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3588.635107][ T73] addrconf_add_dev+0xe2/0x170 [ 3588.635107][ T73] inet6_addr_add+0x12f/0xa40 [ 3588.635107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.635107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.635107][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.635107][ T73] netlink_unicast+0x449/0x710 [ 3588.635107][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.635107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.635107][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.635107][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.635107][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.635107][ T73] [ 3588.637356][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.637356][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3588.637356][ T73] ipv6_find_idev+0x102/0x170 [ 3588.637356][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.637356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.637356][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.637356][ T73] netlink_unicast+0x449/0x710 [ 3588.637356][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.637356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.637356][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.637356][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.637356][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.637356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.637356][ T73] [ 3588.639065][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3588.639065][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3588.639065][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3588.639065][ T73] ipv6_find_idev+0x102/0x170 [ 3588.639065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.639065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.639065][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.639065][ T73] netlink_unicast+0x449/0x710 [ 3588.639065][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.639065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.639065][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.639065][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.639065][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.639065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.639065][ T73] [ 3588.640974][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3588.641239][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3588.641239][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.641239][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.641239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.641239][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3588.641239][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3588.641239][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3588.641239][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3588.641239][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3588.641239][ T73] addrconf_dad_begin+0x310/0x670 [ 3588.641239][ T73] addrconf_dad_work+0x10b/0xab0 [ 3588.641239][ T73] process_one_work+0x84d/0x18a0 [ 3588.641239][ T73] worker_thread+0x587/0xd30 [ 3588.641239][ T73] kthread+0x28a/0x350 [ 3588.641239][ T73] ret_from_fork+0x31/0x70 [ 3588.641239][ T73] ret_from_fork_asm+0x1a/0x30 [ 3588.641239][ T73] [ 3588.643377][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3588.643377][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.643377][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.643377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.643377][ T73] ip6_route_add+0x1c/0x140 [ 3588.643377][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3588.643377][ T73] inet6_addr_add+0x4f8/0xa40 [ 3588.643377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.643377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.643377][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.643377][ T73] netlink_unicast+0x449/0x710 [ 3588.643377][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.643377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.643377][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.643377][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.643377][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.643377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.643377][ T73] [ 3588.645557][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3588.645557][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.645557][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.645557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.645557][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3588.645557][ T73] ipv6_add_addr+0x411/0x2000 [ 3588.645557][ T73] inet6_addr_add+0x30e/0xa40 [ 3588.645557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.645557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.645557][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.645557][ T73] netlink_unicast+0x449/0x710 [ 3588.645557][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.645557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.645557][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.645557][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.645557][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.645557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.645557][ T73] [ 3588.647836][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3588.647836][ T73] netdev_get_by_index+0x5e/0x80 [ 3588.647836][ T73] fib6_nh_init+0x3d8/0x1580 [ 3588.647836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3588.647836][ T73] ip6_route_add+0x1c/0x140 [ 3588.647836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3588.647836][ T73] addrconf_add_dev+0xe2/0x170 [ 3588.647836][ T73] inet6_addr_add+0x12f/0xa40 [ 3588.647836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3588.647836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.647836][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.647836][ T73] netlink_unicast+0x449/0x710 [ 3588.647836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.647836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.647836][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.647836][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.647836][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.647836][ T73] [ 3588.650024][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3588.650024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3588.650024][ T73] ipv6_find_idev+0x102/0x170 [ 3588.650024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.650024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.650024][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.650024][ T73] netlink_unicast+0x449/0x710 [ 3588.650024][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.650024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.650024][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.650024][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.650024][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.650024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.650024][ T73] [ 3588.651732][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3588.651732][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3588.651732][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3588.651732][ T73] ipv6_find_idev+0x102/0x170 [ 3588.651732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3588.651732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3588.651732][ T73] netlink_rcv_skb+0x130/0x360 [ 3588.651732][ T73] netlink_unicast+0x449/0x710 [ 3588.651732][ T73] netlink_sendmsg+0x723/0xbe0 [ 3588.651732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3588.651732][ T73] ___sys_sendmsg+0xee/0x170 [ 3588.651732][ T73] __sys_sendmsg+0xcd/0x170 [ 3588.651732][ T73] do_syscall_64+0xc6/0x1e0 [ 3588.651732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3588.651732][ T73] [ 3598.807037][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3598.807452][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.807452][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3598.807452][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3598.807452][ T73] fib6_nh_init+0xa22/0x1580 [ 3598.807452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.807452][ T73] ip6_route_add+0x1c/0x140 [ 3598.807452][ T73] inet6_rtm_newroute+0x104/0x110 [ 3598.807452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.807452][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.807452][ T73] netlink_unicast+0x449/0x710 [ 3598.807452][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.807452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.807452][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.807452][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.807452][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.807452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.807452][ T73] [ 3598.809359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.809359][ T73] dst_init+0x84/0x4a0 [ 3598.809359][ T73] dst_alloc+0x97/0x150 [ 3598.809359][ T73] ip6_dst_alloc+0x23/0x90 [ 3598.809359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3598.809359][ T73] ip6_pol_route+0x56f/0x840 [ 3598.809359][ T73] fib6_rule_lookup+0x456/0x630 [ 3598.809359][ T73] ip6_route_input+0x59c/0xa50 [ 3598.809359][ T73] ipv6_rcv+0x397/0x810 [ 3598.809359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3598.809359][ T73] process_backlog+0x101/0x620 [ 3598.809359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3598.809359][ T73] net_rx_action+0x495/0xbe0 [ 3598.809359][ T73] __do_softirq+0x1b5/0x7f6 [ 3598.809359][ T73] [ 3598.811011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.811011][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.811011][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.811011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.811011][ T73] ip6_route_add+0x1c/0x140 [ 3598.811011][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3598.811011][ T73] inet6_addr_add+0x4f8/0xa40 [ 3598.811011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.811011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.811011][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.811011][ T73] netlink_unicast+0x449/0x710 [ 3598.811011][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.811011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.811011][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.811011][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.811011][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.811011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.811011][ T73] [ 3598.813022][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.813022][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.813022][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.813022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.813022][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3598.813022][ T73] ipv6_add_addr+0x411/0x2000 [ 3598.813022][ T73] inet6_addr_add+0x30e/0xa40 [ 3598.813022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.813022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.813022][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.813022][ T73] netlink_unicast+0x449/0x710 [ 3598.813022][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.813022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.813022][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.813022][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.813022][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.813022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.813022][ T73] [ 3598.815074][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.815074][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.815074][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.815074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.815074][ T73] ip6_route_add+0x1c/0x140 [ 3598.815074][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3598.815074][ T73] addrconf_add_dev+0xe2/0x170 [ 3598.815074][ T73] inet6_addr_add+0x12f/0xa40 [ 3598.815074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.815074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.815074][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.815074][ T73] netlink_unicast+0x449/0x710 [ 3598.815074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.815074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.815074][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.815074][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.815074][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.815074][ T73] [ 3598.817057][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.817057][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3598.817057][ T73] ipv6_find_idev+0x102/0x170 [ 3598.817057][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.817057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.817057][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.817057][ T73] netlink_unicast+0x449/0x710 [ 3598.817057][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.817057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.817057][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.817057][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.817057][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.817057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.817057][ T73] [ 3598.818606][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3598.818606][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3598.818606][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3598.818606][ T73] ipv6_find_idev+0x102/0x170 [ 3598.818606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.818606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.818606][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.818606][ T73] netlink_unicast+0x449/0x710 [ 3598.818606][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.818606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.818606][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.818606][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.818606][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.818606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.818606][ T73] [ 3598.820322][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3598.820600][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.820600][ T73] dst_init+0x84/0x4a0 [ 3598.820600][ T73] dst_alloc+0x97/0x150 [ 3598.820600][ T73] ip6_dst_alloc+0x23/0x90 [ 3598.820600][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3598.820600][ T73] ip6_pol_route+0x56f/0x840 [ 3598.820600][ T73] fib6_rule_lookup+0x456/0x630 [ 3598.820600][ T73] ip6_route_input+0x59c/0xa50 [ 3598.820600][ T73] ipv6_rcv+0x397/0x810 [ 3598.820600][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3598.820600][ T73] process_backlog+0x101/0x620 [ 3598.820600][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3598.820600][ T73] net_rx_action+0x495/0xbe0 [ 3598.820600][ T73] __do_softirq+0x1b5/0x7f6 [ 3598.820600][ T73] [ 3598.822259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.822259][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.822259][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.822259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.822259][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3598.822259][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3598.822259][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3598.822259][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3598.822259][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3598.822259][ T73] addrconf_dad_begin+0x310/0x670 [ 3598.822259][ T73] addrconf_dad_work+0x10b/0xab0 [ 3598.822259][ T73] process_one_work+0x84d/0x18a0 [ 3598.822259][ T73] worker_thread+0x587/0xd30 [ 3598.822259][ T73] kthread+0x28a/0x350 [ 3598.822259][ T73] ret_from_fork+0x31/0x70 [ 3598.822259][ T73] ret_from_fork_asm+0x1a/0x30 [ 3598.822259][ T73] [ 3598.824205][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.824205][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.824205][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.824205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.824205][ T73] ip6_route_add+0x1c/0x140 [ 3598.824205][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3598.824205][ T73] inet6_addr_add+0x4f8/0xa40 [ 3598.824205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.824205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.824205][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.824205][ T73] netlink_unicast+0x449/0x710 [ 3598.824205][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.824205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.824205][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.824205][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.824205][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.824205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.824205][ T73] [ 3598.826229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.826229][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.826229][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.826229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.826229][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3598.826229][ T73] ipv6_add_addr+0x411/0x2000 [ 3598.826229][ T73] inet6_addr_add+0x30e/0xa40 [ 3598.826229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.826229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.826229][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.826229][ T73] netlink_unicast+0x449/0x710 [ 3598.826229][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.826229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.826229][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.826229][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.826229][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.826229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.826229][ T73] [ 3598.828241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.828241][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.828241][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.828241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.828241][ T73] ip6_route_add+0x1c/0x140 [ 3598.828241][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3598.828241][ T73] addrconf_add_dev+0xe2/0x170 [ 3598.828241][ T73] inet6_addr_add+0x12f/0xa40 [ 3598.828241][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.828241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.828241][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.828241][ T73] netlink_unicast+0x449/0x710 [ 3598.828241][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.828241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.828241][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.828241][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.828241][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.828241][ T73] [ 3598.830221][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.830221][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3598.830221][ T73] ipv6_find_idev+0x102/0x170 [ 3598.830221][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.830221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.830221][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.830221][ T73] netlink_unicast+0x449/0x710 [ 3598.830221][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.830221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.830221][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.830221][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.830221][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.830221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.830221][ T73] [ 3598.831761][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3598.831761][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3598.831761][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3598.831761][ T73] ipv6_find_idev+0x102/0x170 [ 3598.831761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.831761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.831761][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.831761][ T73] netlink_unicast+0x449/0x710 [ 3598.831761][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.831761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.831761][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.831761][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.831761][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.831761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.831761][ T73] [ 3598.833587][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3598.833877][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.833877][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3598.833877][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3598.833877][ T73] fib6_nh_init+0xa22/0x1580 [ 3598.833877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.833877][ T73] ip6_route_add+0x1c/0x140 [ 3598.833877][ T73] inet6_rtm_newroute+0x104/0x110 [ 3598.833877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.833877][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.833877][ T73] netlink_unicast+0x449/0x710 [ 3598.833877][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.833877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.833877][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.833877][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.833877][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.833877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.833877][ T73] [ 3598.836069][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.836069][ T73] dst_init+0x84/0x4a0 [ 3598.836069][ T73] dst_alloc+0x97/0x150 [ 3598.836069][ T73] ip6_dst_alloc+0x23/0x90 [ 3598.836069][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3598.836069][ T73] ip6_pol_route+0x56f/0x840 [ 3598.836069][ T73] fib6_rule_lookup+0x456/0x630 [ 3598.836069][ T73] ip6_route_input+0x59c/0xa50 [ 3598.836069][ T73] ipv6_rcv+0x397/0x810 [ 3598.836069][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3598.836069][ T73] process_backlog+0x101/0x620 [ 3598.836069][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3598.836069][ T73] net_rx_action+0x495/0xbe0 [ 3598.836069][ T73] __do_softirq+0x1b5/0x7f6 [ 3598.836069][ T73] [ 3598.837888][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.837888][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.837888][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.837888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.837888][ T73] ip6_route_add+0x1c/0x140 [ 3598.837888][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3598.837888][ T73] inet6_addr_add+0x4f8/0xa40 [ 3598.837888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.837888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.837888][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.837888][ T73] netlink_unicast+0x449/0x710 [ 3598.837888][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.837888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.837888][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.837888][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.837888][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.837888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.837888][ T73] [ 3598.840081][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.840081][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.840081][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.840081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.840081][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3598.840081][ T73] ipv6_add_addr+0x411/0x2000 [ 3598.840081][ T73] inet6_addr_add+0x30e/0xa40 [ 3598.840081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.840081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.840081][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.840081][ T73] netlink_unicast+0x449/0x710 [ 3598.840081][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.840081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.840081][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.840081][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.840081][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.840081][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.840081][ T73] [ 3598.842337][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.842337][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.842337][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.842337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.842337][ T73] ip6_route_add+0x1c/0x140 [ 3598.842337][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3598.842337][ T73] addrconf_add_dev+0xe2/0x170 [ 3598.842337][ T73] inet6_addr_add+0x12f/0xa40 [ 3598.842337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.842337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.842337][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.842337][ T73] netlink_unicast+0x449/0x710 [ 3598.842337][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.842337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.842337][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.842337][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.842337][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.842337][ T73] [ 3598.844549][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.844549][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3598.844549][ T73] ipv6_find_idev+0x102/0x170 [ 3598.844549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.844549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.844549][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.844549][ T73] netlink_unicast+0x449/0x710 [ 3598.844549][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.844549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.844549][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.844549][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.844549][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.844549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.844549][ T73] [ 3598.846276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3598.846276][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3598.846276][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3598.846276][ T73] ipv6_find_idev+0x102/0x170 [ 3598.846276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.846276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.846276][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.846276][ T73] netlink_unicast+0x449/0x710 [ 3598.846276][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.846276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.846276][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.846276][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.846276][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.846276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.846276][ T73] [ 3598.848196][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3598.848468][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3598.848468][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.848468][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.848468][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.848468][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3598.848468][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3598.848468][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3598.848468][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3598.848468][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3598.848468][ T73] addrconf_dad_begin+0x310/0x670 [ 3598.848468][ T73] addrconf_dad_work+0x10b/0xab0 [ 3598.848468][ T73] process_one_work+0x84d/0x18a0 [ 3598.848468][ T73] worker_thread+0x587/0xd30 [ 3598.848468][ T73] kthread+0x28a/0x350 [ 3598.848468][ T73] ret_from_fork+0x31/0x70 [ 3598.848468][ T73] ret_from_fork_asm+0x1a/0x30 [ 3598.848468][ T73] [ 3598.850640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3598.850640][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.850640][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.850640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.850640][ T73] ip6_route_add+0x1c/0x140 [ 3598.850640][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3598.850640][ T73] inet6_addr_add+0x4f8/0xa40 [ 3598.850640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.850640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.850640][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.850640][ T73] netlink_unicast+0x449/0x710 [ 3598.850640][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.850640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.850640][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.850640][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.850640][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.850640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.850640][ T73] [ 3598.852823][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3598.852823][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.852823][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.852823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.852823][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3598.852823][ T73] ipv6_add_addr+0x411/0x2000 [ 3598.852823][ T73] inet6_addr_add+0x30e/0xa40 [ 3598.852823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.852823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.852823][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.852823][ T73] netlink_unicast+0x449/0x710 [ 3598.852823][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.852823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.852823][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.852823][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.852823][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.852823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.852823][ T73] [ 3598.855132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3598.855132][ T73] netdev_get_by_index+0x5e/0x80 [ 3598.855132][ T73] fib6_nh_init+0x3d8/0x1580 [ 3598.855132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3598.855132][ T73] ip6_route_add+0x1c/0x140 [ 3598.855132][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3598.855132][ T73] addrconf_add_dev+0xe2/0x170 [ 3598.855132][ T73] inet6_addr_add+0x12f/0xa40 [ 3598.855132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3598.855132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.855132][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.855132][ T73] netlink_unicast+0x449/0x710 [ 3598.855132][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.855132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.855132][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.855132][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.855132][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.855132][ T73] [ 3598.857372][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3598.857372][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3598.857372][ T73] ipv6_find_idev+0x102/0x170 [ 3598.857372][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.857372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.857372][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.857372][ T73] netlink_unicast+0x449/0x710 [ 3598.857372][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.857372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.857372][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.857372][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.857372][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.857372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.857372][ T73] [ 3598.859097][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3598.859097][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3598.859097][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3598.859097][ T73] ipv6_find_idev+0x102/0x170 [ 3598.859097][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3598.859097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3598.859097][ T73] netlink_rcv_skb+0x130/0x360 [ 3598.859097][ T73] netlink_unicast+0x449/0x710 [ 3598.859097][ T73] netlink_sendmsg+0x723/0xbe0 [ 3598.859097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3598.859097][ T73] ___sys_sendmsg+0xee/0x170 [ 3598.859097][ T73] __sys_sendmsg+0xcd/0x170 [ 3598.859097][ T73] do_syscall_64+0xc6/0x1e0 [ 3598.859097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3598.859097][ T73] [ 3609.102918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3609.103331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.103331][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3609.103331][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3609.103331][ T73] fib6_nh_init+0xa22/0x1580 [ 3609.103331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.103331][ T73] ip6_route_add+0x1c/0x140 [ 3609.103331][ T73] inet6_rtm_newroute+0x104/0x110 [ 3609.103331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.103331][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.103331][ T73] netlink_unicast+0x449/0x710 [ 3609.103331][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.103331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.103331][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.103331][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.103331][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.103331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.103331][ T73] [ 3609.105239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.105239][ T73] dst_init+0x84/0x4a0 [ 3609.105239][ T73] dst_alloc+0x97/0x150 [ 3609.105239][ T73] ip6_dst_alloc+0x23/0x90 [ 3609.105239][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3609.105239][ T73] ip6_pol_route+0x56f/0x840 [ 3609.105239][ T73] fib6_rule_lookup+0x456/0x630 [ 3609.105239][ T73] ip6_route_input+0x59c/0xa50 [ 3609.105239][ T73] ipv6_rcv+0x397/0x810 [ 3609.105239][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3609.105239][ T73] process_backlog+0x101/0x620 [ 3609.105239][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3609.105239][ T73] net_rx_action+0x495/0xbe0 [ 3609.105239][ T73] __do_softirq+0x1b5/0x7f6 [ 3609.105239][ T73] [ 3609.106899][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.106899][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.106899][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.106899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.106899][ T73] ip6_route_add+0x1c/0x140 [ 3609.106899][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3609.106899][ T73] inet6_addr_add+0x4f8/0xa40 [ 3609.106899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.106899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.106899][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.106899][ T73] netlink_unicast+0x449/0x710 [ 3609.106899][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.106899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.106899][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.106899][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.106899][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.106899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.106899][ T73] [ 3609.108921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.108921][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.108921][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.108921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.108921][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3609.108921][ T73] ipv6_add_addr+0x411/0x2000 [ 3609.108921][ T73] inet6_addr_add+0x30e/0xa40 [ 3609.108921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.108921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.108921][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.108921][ T73] netlink_unicast+0x449/0x710 [ 3609.108921][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.108921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.108921][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.108921][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.108921][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.108921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.108921][ T73] [ 3609.110934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.110934][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.110934][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.110934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.110934][ T73] ip6_route_add+0x1c/0x140 [ 3609.110934][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3609.110934][ T73] addrconf_add_dev+0xe2/0x170 [ 3609.110934][ T73] inet6_addr_add+0x12f/0xa40 [ 3609.110934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.110934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.110934][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.110934][ T73] netlink_unicast+0x449/0x710 [ 3609.110934][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.110934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.110934][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.110934][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.110934][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.110934][ T73] [ 3609.112915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.112915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3609.112915][ T73] ipv6_find_idev+0x102/0x170 [ 3609.112915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.112915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.112915][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.112915][ T73] netlink_unicast+0x449/0x710 [ 3609.112915][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.112915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.112915][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.112915][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.112915][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.112915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.112915][ T73] [ 3609.114470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3609.114470][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3609.114470][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3609.114470][ T73] ipv6_find_idev+0x102/0x170 [ 3609.114470][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.114470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.114470][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.114470][ T73] netlink_unicast+0x449/0x710 [ 3609.114470][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.114470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.114470][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.114470][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.114470][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.114470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.114470][ T73] [ 3609.116177][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3609.116455][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.116455][ T73] dst_init+0x84/0x4a0 [ 3609.116455][ T73] dst_alloc+0x97/0x150 [ 3609.116455][ T73] ip6_dst_alloc+0x23/0x90 [ 3609.116455][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3609.116455][ T73] ip6_pol_route+0x56f/0x840 [ 3609.116455][ T73] fib6_rule_lookup+0x456/0x630 [ 3609.116455][ T73] ip6_route_input+0x59c/0xa50 [ 3609.116455][ T73] ipv6_rcv+0x397/0x810 [ 3609.116455][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3609.116455][ T73] process_backlog+0x101/0x620 [ 3609.116455][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3609.116455][ T73] net_rx_action+0x495/0xbe0 [ 3609.116455][ T73] __do_softirq+0x1b5/0x7f6 [ 3609.116455][ T73] [ 3609.118105][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.118105][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.118105][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.118105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.118105][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3609.118105][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3609.118105][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3609.118105][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3609.118105][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3609.118105][ T73] addrconf_dad_begin+0x310/0x670 [ 3609.118105][ T73] addrconf_dad_work+0x10b/0xab0 [ 3609.118105][ T73] process_one_work+0x84d/0x18a0 [ 3609.118105][ T73] worker_thread+0x587/0xd30 [ 3609.118105][ T73] kthread+0x28a/0x350 [ 3609.118105][ T73] ret_from_fork+0x31/0x70 [ 3609.118105][ T73] ret_from_fork_asm+0x1a/0x30 [ 3609.118105][ T73] [ 3609.120022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.120022][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.120022][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.120022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.120022][ T73] ip6_route_add+0x1c/0x140 [ 3609.120022][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3609.120022][ T73] inet6_addr_add+0x4f8/0xa40 [ 3609.120022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.120022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.120022][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.120022][ T73] netlink_unicast+0x449/0x710 [ 3609.120022][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.120022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.120022][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.120022][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.120022][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.120022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.120022][ T73] [ 3609.122038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.122038][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.122038][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.122038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.122038][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3609.122038][ T73] ipv6_add_addr+0x411/0x2000 [ 3609.122038][ T73] inet6_addr_add+0x30e/0xa40 [ 3609.122038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.122038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.122038][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.122038][ T73] netlink_unicast+0x449/0x710 [ 3609.122038][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.122038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.122038][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.122038][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.122038][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.122038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.122038][ T73] [ 3609.124057][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.124057][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.124057][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.124057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.124057][ T73] ip6_route_add+0x1c/0x140 [ 3609.124057][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3609.124057][ T73] addrconf_add_dev+0xe2/0x170 [ 3609.124057][ T73] inet6_addr_add+0x12f/0xa40 [ 3609.124057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.124057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.124057][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.124057][ T73] netlink_unicast+0x449/0x710 [ 3609.124057][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.124057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.124057][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.124057][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.124057][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.124057][ T73] [ 3609.126034][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.126034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3609.126034][ T73] ipv6_find_idev+0x102/0x170 [ 3609.126034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.126034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.126034][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.126034][ T73] netlink_unicast+0x449/0x710 [ 3609.126034][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.126034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.126034][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.126034][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.126034][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.126034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.126034][ T73] [ 3609.127588][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3609.127588][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3609.127588][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3609.127588][ T73] ipv6_find_idev+0x102/0x170 [ 3609.127588][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.127588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.127588][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.127588][ T73] netlink_unicast+0x449/0x710 [ 3609.127588][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.127588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.127588][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.127588][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.127588][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.127588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.127588][ T73] [ 3609.129416][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3609.129686][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.129686][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3609.129686][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3609.129686][ T73] fib6_nh_init+0xa22/0x1580 [ 3609.129686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.129686][ T73] ip6_route_add+0x1c/0x140 [ 3609.129686][ T73] inet6_rtm_newroute+0x104/0x110 [ 3609.129686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.129686][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.129686][ T73] netlink_unicast+0x449/0x710 [ 3609.129686][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.129686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.129686][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.129686][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.129686][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.129686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.129686][ T73] [ 3609.131874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.131874][ T73] dst_init+0x84/0x4a0 [ 3609.131874][ T73] dst_alloc+0x97/0x150 [ 3609.131874][ T73] ip6_dst_alloc+0x23/0x90 [ 3609.131874][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3609.131874][ T73] ip6_pol_route+0x56f/0x840 [ 3609.131874][ T73] fib6_rule_lookup+0x456/0x630 [ 3609.131874][ T73] ip6_route_input+0x59c/0xa50 [ 3609.131874][ T73] ipv6_rcv+0x397/0x810 [ 3609.131874][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3609.131874][ T73] process_backlog+0x101/0x620 [ 3609.131874][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3609.131874][ T73] net_rx_action+0x495/0xbe0 [ 3609.131874][ T73] __do_softirq+0x1b5/0x7f6 [ 3609.131874][ T73] [ 3609.133710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.133710][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.133710][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.133710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.133710][ T73] ip6_route_add+0x1c/0x140 [ 3609.133710][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3609.133710][ T73] inet6_addr_add+0x4f8/0xa40 [ 3609.133710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.133710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.133710][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.133710][ T73] netlink_unicast+0x449/0x710 [ 3609.133710][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.133710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.133710][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.133710][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.133710][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.133710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.133710][ T73] [ 3609.135969][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.135969][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.135969][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.135969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.135969][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3609.135969][ T73] ipv6_add_addr+0x411/0x2000 [ 3609.135969][ T73] inet6_addr_add+0x30e/0xa40 [ 3609.135969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.135969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.135969][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.135969][ T73] netlink_unicast+0x449/0x710 [ 3609.135969][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.135969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.135969][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.135969][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.135969][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.135969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.135969][ T73] [ 3609.138242][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.138242][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.138242][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.138242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.138242][ T73] ip6_route_add+0x1c/0x140 [ 3609.138242][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3609.138242][ T73] addrconf_add_dev+0xe2/0x170 [ 3609.138242][ T73] inet6_addr_add+0x12f/0xa40 [ 3609.138242][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.138242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.138242][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.138242][ T73] netlink_unicast+0x449/0x710 [ 3609.138242][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.138242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.138242][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.138242][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.138242][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.138242][ T73] [ 3609.140463][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.140463][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3609.140463][ T73] ipv6_find_idev+0x102/0x170 [ 3609.140463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.140463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.140463][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.140463][ T73] netlink_unicast+0x449/0x710 [ 3609.140463][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.140463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.140463][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.140463][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.140463][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.140463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.140463][ T73] [ 3609.142193][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3609.142193][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3609.142193][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3609.142193][ T73] ipv6_find_idev+0x102/0x170 [ 3609.142193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.142193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.142193][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.142193][ T73] netlink_unicast+0x449/0x710 [ 3609.142193][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.142193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.142193][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.142193][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.142193][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.142193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.142193][ T73] [ 3609.144132][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3609.144401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3609.144401][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.144401][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.144401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.144401][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3609.144401][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3609.144401][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3609.144401][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3609.144401][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3609.144401][ T73] addrconf_dad_begin+0x310/0x670 [ 3609.144401][ T73] addrconf_dad_work+0x10b/0xab0 [ 3609.144401][ T73] process_one_work+0x84d/0x18a0 [ 3609.144401][ T73] worker_thread+0x587/0xd30 [ 3609.144401][ T73] kthread+0x28a/0x350 [ 3609.144401][ T73] ret_from_fork+0x31/0x70 [ 3609.144401][ T73] ret_from_fork_asm+0x1a/0x30 [ 3609.144401][ T73] [ 3609.146563][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3609.146563][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.146563][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.146563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.146563][ T73] ip6_route_add+0x1c/0x140 [ 3609.146563][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3609.146563][ T73] inet6_addr_add+0x4f8/0xa40 [ 3609.146563][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.146563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.146563][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.146563][ T73] netlink_unicast+0x449/0x710 [ 3609.146563][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.146563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.146563][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.146563][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.146563][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.146563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.146563][ T73] [ 3609.148742][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3609.148742][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.148742][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.148742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.148742][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3609.148742][ T73] ipv6_add_addr+0x411/0x2000 [ 3609.148742][ T73] inet6_addr_add+0x30e/0xa40 [ 3609.148742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.148742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.148742][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.148742][ T73] netlink_unicast+0x449/0x710 [ 3609.148742][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.148742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.148742][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.148742][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.148742][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.148742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.148742][ T73] [ 3609.151055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3609.151055][ T73] netdev_get_by_index+0x5e/0x80 [ 3609.151055][ T73] fib6_nh_init+0x3d8/0x1580 [ 3609.151055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3609.151055][ T73] ip6_route_add+0x1c/0x140 [ 3609.151055][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3609.151055][ T73] addrconf_add_dev+0xe2/0x170 [ 3609.151055][ T73] inet6_addr_add+0x12f/0xa40 [ 3609.151055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.151055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.151055][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.151055][ T73] netlink_unicast+0x449/0x710 [ 3609.151055][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.151055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.151055][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.151055][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.151055][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.151055][ T73] [ 3609.153280][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3609.153280][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3609.153280][ T73] ipv6_find_idev+0x102/0x170 [ 3609.153280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.153280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.153280][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.153280][ T73] netlink_unicast+0x449/0x710 [ 3609.153280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.153280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.153280][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.153280][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.153280][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.153280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.153280][ T73] [ 3609.155013][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3609.155013][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3609.155013][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3609.155013][ T73] ipv6_find_idev+0x102/0x170 [ 3609.155013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.155013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.155013][ T73] netlink_rcv_skb+0x130/0x360 [ 3609.155013][ T73] netlink_unicast+0x449/0x710 [ 3609.155013][ T73] netlink_sendmsg+0x723/0xbe0 [ 3609.155013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3609.155013][ T73] ___sys_sendmsg+0xee/0x170 [ 3609.155013][ T73] __sys_sendmsg+0xcd/0x170 [ 3609.155013][ T73] do_syscall_64+0xc6/0x1e0 [ 3609.155013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.155013][ T73] [ 3619.382833][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3619.383230][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.383230][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3619.383230][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3619.383230][ T73] fib6_nh_init+0xa22/0x1580 [ 3619.383230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.383230][ T73] ip6_route_add+0x1c/0x140 [ 3619.383230][ T73] inet6_rtm_newroute+0x104/0x110 [ 3619.383230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.383230][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.383230][ T73] netlink_unicast+0x449/0x710 [ 3619.383230][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.383230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.383230][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.383230][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.383230][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.383230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.383230][ T73] [ 3619.385133][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.385133][ T73] dst_init+0x84/0x4a0 [ 3619.385133][ T73] dst_alloc+0x97/0x150 [ 3619.385133][ T73] ip6_dst_alloc+0x23/0x90 [ 3619.385133][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3619.385133][ T73] ip6_pol_route+0x56f/0x840 [ 3619.385133][ T73] fib6_rule_lookup+0x456/0x630 [ 3619.385133][ T73] ip6_route_input+0x59c/0xa50 [ 3619.385133][ T73] ipv6_rcv+0x397/0x810 [ 3619.385133][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3619.385133][ T73] process_backlog+0x101/0x620 [ 3619.385133][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3619.385133][ T73] net_rx_action+0x495/0xbe0 [ 3619.385133][ T73] __do_softirq+0x1b5/0x7f6 [ 3619.385133][ T73] [ 3619.386778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.386778][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.386778][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.386778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.386778][ T73] ip6_route_add+0x1c/0x140 [ 3619.386778][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3619.386778][ T73] inet6_addr_add+0x4f8/0xa40 [ 3619.386778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.386778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.386778][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.386778][ T73] netlink_unicast+0x449/0x710 [ 3619.386778][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.386778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.386778][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.386778][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.386778][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.386778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.386778][ T73] [ 3619.388787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.388787][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.388787][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.388787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.388787][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3619.388787][ T73] ipv6_add_addr+0x411/0x2000 [ 3619.388787][ T73] inet6_addr_add+0x30e/0xa40 [ 3619.388787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.388787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.388787][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.388787][ T73] netlink_unicast+0x449/0x710 [ 3619.388787][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.388787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.388787][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.388787][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.388787][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.388787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.388787][ T73] [ 3619.390801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.390801][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.390801][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.390801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.390801][ T73] ip6_route_add+0x1c/0x140 [ 3619.390801][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3619.390801][ T73] addrconf_add_dev+0xe2/0x170 [ 3619.390801][ T73] inet6_addr_add+0x12f/0xa40 [ 3619.390801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.390801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.390801][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.390801][ T73] netlink_unicast+0x449/0x710 [ 3619.390801][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.390801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.390801][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.390801][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.390801][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.390801][ T73] [ 3619.392767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.392767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3619.392767][ T73] ipv6_find_idev+0x102/0x170 [ 3619.392767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.392767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.392767][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.392767][ T73] netlink_unicast+0x449/0x710 [ 3619.392767][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.392767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.392767][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.392767][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.392767][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.392767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.392767][ T73] [ 3619.394363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3619.394363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3619.394363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3619.394363][ T73] ipv6_find_idev+0x102/0x170 [ 3619.394363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.394363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.394363][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.394363][ T73] netlink_unicast+0x449/0x710 [ 3619.394363][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.394363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.394363][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.394363][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.394363][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.394363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.394363][ T73] [ 3619.396064][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3619.396342][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.396342][ T73] dst_init+0x84/0x4a0 [ 3619.396342][ T73] dst_alloc+0x97/0x150 [ 3619.396342][ T73] ip6_dst_alloc+0x23/0x90 [ 3619.396342][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3619.396342][ T73] ip6_pol_route+0x56f/0x840 [ 3619.396342][ T73] fib6_rule_lookup+0x456/0x630 [ 3619.396342][ T73] ip6_route_input+0x59c/0xa50 [ 3619.396342][ T73] ipv6_rcv+0x397/0x810 [ 3619.396342][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3619.396342][ T73] process_backlog+0x101/0x620 [ 3619.396342][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3619.396342][ T73] net_rx_action+0x495/0xbe0 [ 3619.396342][ T73] __do_softirq+0x1b5/0x7f6 [ 3619.396342][ T73] [ 3619.398032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.398032][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.398032][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.398032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.398032][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3619.398032][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3619.398032][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3619.398032][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3619.398032][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3619.398032][ T73] addrconf_dad_begin+0x310/0x670 [ 3619.398032][ T73] addrconf_dad_work+0x10b/0xab0 [ 3619.398032][ T73] process_one_work+0x84d/0x18a0 [ 3619.398032][ T73] worker_thread+0x587/0xd30 [ 3619.398032][ T73] kthread+0x28a/0x350 [ 3619.398032][ T73] ret_from_fork+0x31/0x70 [ 3619.398032][ T73] ret_from_fork_asm+0x1a/0x30 [ 3619.398032][ T73] [ 3619.399996][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.399996][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.399996][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.399996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.399996][ T73] ip6_route_add+0x1c/0x140 [ 3619.399996][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3619.399996][ T73] inet6_addr_add+0x4f8/0xa40 [ 3619.399996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.399996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.399996][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.399996][ T73] netlink_unicast+0x449/0x710 [ 3619.399996][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.399996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.399996][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.399996][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.399996][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.399996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.399996][ T73] [ 3619.402424][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.402424][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.402424][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.402424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.402424][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3619.402424][ T73] ipv6_add_addr+0x411/0x2000 [ 3619.402424][ T73] inet6_addr_add+0x30e/0xa40 [ 3619.402424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.402424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.402424][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.402424][ T73] netlink_unicast+0x449/0x710 [ 3619.402424][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.402424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.402424][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.402424][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.402424][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.402424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.402424][ T73] [ 3619.404437][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.404437][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.404437][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.404437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.404437][ T73] ip6_route_add+0x1c/0x140 [ 3619.404437][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3619.404437][ T73] addrconf_add_dev+0xe2/0x170 [ 3619.404437][ T73] inet6_addr_add+0x12f/0xa40 [ 3619.404437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.404437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.404437][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.404437][ T73] netlink_unicast+0x449/0x710 [ 3619.404437][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.404437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.404437][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.404437][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.404437][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.404437][ T73] [ 3619.406400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.406400][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3619.406400][ T73] ipv6_find_idev+0x102/0x170 [ 3619.406400][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.406400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.406400][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.406400][ T73] netlink_unicast+0x449/0x710 [ 3619.406400][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.406400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.406400][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.406400][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.406400][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.406400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.406400][ T73] [ 3619.407946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3619.407946][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3619.407946][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3619.407946][ T73] ipv6_find_idev+0x102/0x170 [ 3619.407946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.407946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.407946][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.407946][ T73] netlink_unicast+0x449/0x710 [ 3619.407946][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.407946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.407946][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.407946][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.407946][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.407946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.407946][ T73] [ 3619.409759][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3619.410070][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.410070][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3619.410070][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3619.410070][ T73] fib6_nh_init+0xa22/0x1580 [ 3619.410070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.410070][ T73] ip6_route_add+0x1c/0x140 [ 3619.410070][ T73] inet6_rtm_newroute+0x104/0x110 [ 3619.410070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.410070][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.410070][ T73] netlink_unicast+0x449/0x710 [ 3619.410070][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.410070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.410070][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.410070][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.410070][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.410070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.410070][ T73] [ 3619.412264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.412264][ T73] dst_init+0x84/0x4a0 [ 3619.412264][ T73] dst_alloc+0x97/0x150 [ 3619.412264][ T73] ip6_dst_alloc+0x23/0x90 [ 3619.412264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3619.412264][ T73] ip6_pol_route+0x56f/0x840 [ 3619.412264][ T73] fib6_rule_lookup+0x456/0x630 [ 3619.412264][ T73] ip6_route_input+0x59c/0xa50 [ 3619.412264][ T73] ipv6_rcv+0x397/0x810 [ 3619.412264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3619.412264][ T73] process_backlog+0x101/0x620 [ 3619.412264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3619.412264][ T73] net_rx_action+0x495/0xbe0 [ 3619.412264][ T73] __do_softirq+0x1b5/0x7f6 [ 3619.412264][ T73] [ 3619.414130][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.414130][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.414130][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.414130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.414130][ T73] ip6_route_add+0x1c/0x140 [ 3619.414130][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3619.414130][ T73] inet6_addr_add+0x4f8/0xa40 [ 3619.414130][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.414130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.414130][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.414130][ T73] netlink_unicast+0x449/0x710 [ 3619.414130][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.414130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.414130][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.414130][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.414130][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.414130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.414130][ T73] [ 3619.416374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.416374][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.416374][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.416374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.416374][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3619.416374][ T73] ipv6_add_addr+0x411/0x2000 [ 3619.416374][ T73] inet6_addr_add+0x30e/0xa40 [ 3619.416374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.416374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.416374][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.416374][ T73] netlink_unicast+0x449/0x710 [ 3619.416374][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.416374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.416374][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.416374][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.416374][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.416374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.416374][ T73] [ 3619.418551][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.418551][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.418551][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.418551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.418551][ T73] ip6_route_add+0x1c/0x140 [ 3619.418551][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3619.418551][ T73] addrconf_add_dev+0xe2/0x170 [ 3619.418551][ T73] inet6_addr_add+0x12f/0xa40 [ 3619.418551][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.418551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.418551][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.418551][ T73] netlink_unicast+0x449/0x710 [ 3619.418551][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.418551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.418551][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.418551][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.418551][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.418551][ T73] [ 3619.420820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.420820][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3619.420820][ T73] ipv6_find_idev+0x102/0x170 [ 3619.420820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.420820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.420820][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.420820][ T73] netlink_unicast+0x449/0x710 [ 3619.420820][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.420820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.420820][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.420820][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.420820][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.420820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.420820][ T73] [ 3619.422482][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3619.422482][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3619.422482][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3619.422482][ T73] ipv6_find_idev+0x102/0x170 [ 3619.422482][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.422482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.422482][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.422482][ T73] netlink_unicast+0x449/0x710 [ 3619.422482][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.422482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.422482][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.422482][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.422482][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.422482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.422482][ T73] [ 3619.424447][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3619.424719][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3619.424719][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.424719][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.424719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.424719][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3619.424719][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3619.424719][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3619.424719][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3619.424719][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3619.424719][ T73] addrconf_dad_begin+0x310/0x670 [ 3619.424719][ T73] addrconf_dad_work+0x10b/0xab0 [ 3619.424719][ T73] process_one_work+0x84d/0x18a0 [ 3619.424719][ T73] worker_thread+0x587/0xd30 [ 3619.424719][ T73] kthread+0x28a/0x350 [ 3619.424719][ T73] ret_from_fork+0x31/0x70 [ 3619.424719][ T73] ret_from_fork_asm+0x1a/0x30 [ 3619.424719][ T73] [ 3619.426885][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3619.426885][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.426885][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.426885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.426885][ T73] ip6_route_add+0x1c/0x140 [ 3619.426885][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3619.426885][ T73] inet6_addr_add+0x4f8/0xa40 [ 3619.426885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.426885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.426885][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.426885][ T73] netlink_unicast+0x449/0x710 [ 3619.426885][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.426885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.426885][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.426885][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.426885][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.426885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.426885][ T73] [ 3619.429149][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3619.429149][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.429149][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.429149][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.429149][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3619.429149][ T73] ipv6_add_addr+0x411/0x2000 [ 3619.429149][ T73] inet6_addr_add+0x30e/0xa40 [ 3619.429149][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.429149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.429149][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.429149][ T73] netlink_unicast+0x449/0x710 [ 3619.429149][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.429149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.429149][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.429149][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.429149][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.429149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.429149][ T73] [ 3619.431396][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3619.431396][ T73] netdev_get_by_index+0x5e/0x80 [ 3619.431396][ T73] fib6_nh_init+0x3d8/0x1580 [ 3619.431396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3619.431396][ T73] ip6_route_add+0x1c/0x140 [ 3619.431396][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3619.431396][ T73] addrconf_add_dev+0xe2/0x170 [ 3619.431396][ T73] inet6_addr_add+0x12f/0xa40 [ 3619.431396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.431396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.431396][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.431396][ T73] netlink_unicast+0x449/0x710 [ 3619.431396][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.431396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.431396][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.431396][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.431396][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.431396][ T73] [ 3619.433652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3619.433652][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3619.433652][ T73] ipv6_find_idev+0x102/0x170 [ 3619.433652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.433652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.433652][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.433652][ T73] netlink_unicast+0x449/0x710 [ 3619.433652][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.433652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.433652][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.433652][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.433652][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.433652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.433652][ T73] [ 3619.435389][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3619.435389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3619.435389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3619.435389][ T73] ipv6_find_idev+0x102/0x170 [ 3619.435389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.435389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.435389][ T73] netlink_rcv_skb+0x130/0x360 [ 3619.435389][ T73] netlink_unicast+0x449/0x710 [ 3619.435389][ T73] netlink_sendmsg+0x723/0xbe0 [ 3619.435389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3619.435389][ T73] ___sys_sendmsg+0xee/0x170 [ 3619.435389][ T73] __sys_sendmsg+0xcd/0x170 [ 3619.435389][ T73] do_syscall_64+0xc6/0x1e0 [ 3619.435389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.435389][ T73] [ 3629.582920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3629.583353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.583353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3629.583353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3629.583353][ T73] fib6_nh_init+0xa22/0x1580 [ 3629.583353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.583353][ T73] ip6_route_add+0x1c/0x140 [ 3629.583353][ T73] inet6_rtm_newroute+0x104/0x110 [ 3629.583353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.583353][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.583353][ T73] netlink_unicast+0x449/0x710 [ 3629.583353][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.583353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.583353][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.583353][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.583353][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.583353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.583353][ T73] [ 3629.585323][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.585323][ T73] dst_init+0x84/0x4a0 [ 3629.585323][ T73] dst_alloc+0x97/0x150 [ 3629.585323][ T73] ip6_dst_alloc+0x23/0x90 [ 3629.585323][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3629.585323][ T73] ip6_pol_route+0x56f/0x840 [ 3629.585323][ T73] fib6_rule_lookup+0x456/0x630 [ 3629.585323][ T73] ip6_route_input+0x59c/0xa50 [ 3629.585323][ T73] ipv6_rcv+0x397/0x810 [ 3629.585323][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3629.585323][ T73] process_backlog+0x101/0x620 [ 3629.585323][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3629.585323][ T73] net_rx_action+0x495/0xbe0 [ 3629.585323][ T73] __do_softirq+0x1b5/0x7f6 [ 3629.585323][ T73] [ 3629.586961][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.586961][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.586961][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.586961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.586961][ T73] ip6_route_add+0x1c/0x140 [ 3629.586961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3629.586961][ T73] inet6_addr_add+0x4f8/0xa40 [ 3629.586961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.586961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.586961][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.586961][ T73] netlink_unicast+0x449/0x710 [ 3629.586961][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.586961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.586961][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.586961][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.586961][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.586961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.586961][ T73] [ 3629.588954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.588954][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.588954][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.588954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.588954][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3629.588954][ T73] ipv6_add_addr+0x411/0x2000 [ 3629.588954][ T73] inet6_addr_add+0x30e/0xa40 [ 3629.588954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.588954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.588954][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.588954][ T73] netlink_unicast+0x449/0x710 [ 3629.588954][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.588954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.588954][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.588954][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.588954][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.588954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.588954][ T73] [ 3629.590942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.590942][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.590942][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.590942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.590942][ T73] ip6_route_add+0x1c/0x140 [ 3629.590942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3629.590942][ T73] addrconf_add_dev+0xe2/0x170 [ 3629.590942][ T73] inet6_addr_add+0x12f/0xa40 [ 3629.590942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.590942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.590942][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.590942][ T73] netlink_unicast+0x449/0x710 [ 3629.590942][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.590942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.590942][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.590942][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.590942][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.590942][ T73] [ 3629.593285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.593285][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3629.593285][ T73] ipv6_find_idev+0x102/0x170 [ 3629.593285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.593285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.593285][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.593285][ T73] netlink_unicast+0x449/0x710 [ 3629.593285][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.593285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.593285][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.593285][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.593285][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.593285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.593285][ T73] [ 3629.594832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3629.594832][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3629.594832][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3629.594832][ T73] ipv6_find_idev+0x102/0x170 [ 3629.594832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.594832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.594832][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.594832][ T73] netlink_unicast+0x449/0x710 [ 3629.594832][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.594832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.594832][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.594832][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.594832][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.594832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.594832][ T73] [ 3629.596524][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3629.596794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.596794][ T73] dst_init+0x84/0x4a0 [ 3629.596794][ T73] dst_alloc+0x97/0x150 [ 3629.596794][ T73] ip6_dst_alloc+0x23/0x90 [ 3629.596794][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3629.596794][ T73] ip6_pol_route+0x56f/0x840 [ 3629.596794][ T73] fib6_rule_lookup+0x456/0x630 [ 3629.596794][ T73] ip6_route_input+0x59c/0xa50 [ 3629.596794][ T73] ipv6_rcv+0x397/0x810 [ 3629.596794][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3629.596794][ T73] process_backlog+0x101/0x620 [ 3629.596794][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3629.596794][ T73] net_rx_action+0x495/0xbe0 [ 3629.596794][ T73] __do_softirq+0x1b5/0x7f6 [ 3629.596794][ T73] [ 3629.598420][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.598420][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.598420][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.598420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.598420][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3629.598420][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3629.598420][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3629.598420][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3629.598420][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3629.598420][ T73] addrconf_dad_begin+0x310/0x670 [ 3629.598420][ T73] addrconf_dad_work+0x10b/0xab0 [ 3629.598420][ T73] process_one_work+0x84d/0x18a0 [ 3629.598420][ T73] worker_thread+0x587/0xd30 [ 3629.598420][ T73] kthread+0x28a/0x350 [ 3629.598420][ T73] ret_from_fork+0x31/0x70 [ 3629.598420][ T73] ret_from_fork_asm+0x1a/0x30 [ 3629.598420][ T73] [ 3629.600327][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.600327][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.600327][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.600327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.600327][ T73] ip6_route_add+0x1c/0x140 [ 3629.600327][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3629.600327][ T73] inet6_addr_add+0x4f8/0xa40 [ 3629.600327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.600327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.600327][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.600327][ T73] netlink_unicast+0x449/0x710 [ 3629.600327][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.600327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.600327][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.600327][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.600327][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.600327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.600327][ T73] [ 3629.602316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.602316][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.602316][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.602316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.602316][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3629.602316][ T73] ipv6_add_addr+0x411/0x2000 [ 3629.602316][ T73] inet6_addr_add+0x30e/0xa40 [ 3629.602316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.602316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.602316][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.602316][ T73] netlink_unicast+0x449/0x710 [ 3629.602316][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.602316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.602316][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.602316][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.602316][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.602316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.602316][ T73] [ 3629.604305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.604305][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.604305][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.604305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.604305][ T73] ip6_route_add+0x1c/0x140 [ 3629.604305][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3629.604305][ T73] addrconf_add_dev+0xe2/0x170 [ 3629.604305][ T73] inet6_addr_add+0x12f/0xa40 [ 3629.604305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.604305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.604305][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.604305][ T73] netlink_unicast+0x449/0x710 [ 3629.604305][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.604305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.604305][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.604305][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.604305][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.604305][ T73] [ 3629.606251][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.606251][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3629.606251][ T73] ipv6_find_idev+0x102/0x170 [ 3629.606251][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.606251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.606251][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.606251][ T73] netlink_unicast+0x449/0x710 [ 3629.606251][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.606251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.606251][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.606251][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.606251][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.606251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.606251][ T73] [ 3629.607772][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3629.607772][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3629.607772][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3629.607772][ T73] ipv6_find_idev+0x102/0x170 [ 3629.607772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.607772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.607772][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.607772][ T73] netlink_unicast+0x449/0x710 [ 3629.607772][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.607772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.607772][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.607772][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.607772][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.607772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.607772][ T73] [ 3629.609568][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3629.609843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.609843][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3629.609843][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3629.609843][ T73] fib6_nh_init+0xa22/0x1580 [ 3629.609843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.609843][ T73] ip6_route_add+0x1c/0x140 [ 3629.609843][ T73] inet6_rtm_newroute+0x104/0x110 [ 3629.609843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.609843][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.609843][ T73] netlink_unicast+0x449/0x710 [ 3629.609843][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.609843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.609843][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.609843][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.609843][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.609843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.609843][ T73] [ 3629.611941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.611941][ T73] dst_init+0x84/0x4a0 [ 3629.611941][ T73] dst_alloc+0x97/0x150 [ 3629.611941][ T73] ip6_dst_alloc+0x23/0x90 [ 3629.611941][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3629.611941][ T73] ip6_pol_route+0x56f/0x840 [ 3629.611941][ T73] fib6_rule_lookup+0x456/0x630 [ 3629.611941][ T73] ip6_route_input+0x59c/0xa50 [ 3629.611941][ T73] ipv6_rcv+0x397/0x810 [ 3629.611941][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3629.611941][ T73] process_backlog+0x101/0x620 [ 3629.611941][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3629.611941][ T73] net_rx_action+0x495/0xbe0 [ 3629.611941][ T73] __do_softirq+0x1b5/0x7f6 [ 3629.611941][ T73] [ 3629.613766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.613766][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.613766][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.613766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.613766][ T73] ip6_route_add+0x1c/0x140 [ 3629.613766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3629.613766][ T73] inet6_addr_add+0x4f8/0xa40 [ 3629.613766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.613766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.613766][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.613766][ T73] netlink_unicast+0x449/0x710 [ 3629.613766][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.613766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.613766][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.613766][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.613766][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.613766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.613766][ T73] [ 3629.616064][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.616064][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.616064][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.616064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.616064][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3629.616064][ T73] ipv6_add_addr+0x411/0x2000 [ 3629.616064][ T73] inet6_addr_add+0x30e/0xa40 [ 3629.616064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.616064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.616064][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.616064][ T73] netlink_unicast+0x449/0x710 [ 3629.616064][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.616064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.616064][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.616064][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.616064][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.616064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.616064][ T73] [ 3629.618285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.618285][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.618285][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.618285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.618285][ T73] ip6_route_add+0x1c/0x140 [ 3629.618285][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3629.618285][ T73] addrconf_add_dev+0xe2/0x170 [ 3629.618285][ T73] inet6_addr_add+0x12f/0xa40 [ 3629.618285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.618285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.618285][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.618285][ T73] netlink_unicast+0x449/0x710 [ 3629.618285][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.618285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.618285][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.618285][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.618285][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.618285][ T73] [ 3629.620472][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.620472][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3629.620472][ T73] ipv6_find_idev+0x102/0x170 [ 3629.620472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.620472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.620472][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.620472][ T73] netlink_unicast+0x449/0x710 [ 3629.620472][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.620472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.620472][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.620472][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.620472][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.620472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.620472][ T73] [ 3629.622119][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3629.622119][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3629.622119][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3629.622119][ T73] ipv6_find_idev+0x102/0x170 [ 3629.622119][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.622119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.622119][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.622119][ T73] netlink_unicast+0x449/0x710 [ 3629.622119][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.622119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.622119][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.622119][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.622119][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.622119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.622119][ T73] [ 3629.624200][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3629.624493][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3629.624493][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.624493][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.624493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.624493][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3629.624493][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3629.624493][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3629.624493][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3629.624493][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3629.624493][ T73] addrconf_dad_begin+0x310/0x670 [ 3629.624493][ T73] addrconf_dad_work+0x10b/0xab0 [ 3629.624493][ T73] process_one_work+0x84d/0x18a0 [ 3629.624493][ T73] worker_thread+0x587/0xd30 [ 3629.624493][ T73] kthread+0x28a/0x350 [ 3629.624493][ T73] ret_from_fork+0x31/0x70 [ 3629.624493][ T73] ret_from_fork_asm+0x1a/0x30 [ 3629.624493][ T73] [ 3629.627252][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3629.627252][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.627252][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.627252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.627252][ T73] ip6_route_add+0x1c/0x140 [ 3629.627252][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3629.627252][ T73] inet6_addr_add+0x4f8/0xa40 [ 3629.627252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.627252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.627252][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.627252][ T73] netlink_unicast+0x449/0x710 [ 3629.627252][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.627252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.627252][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.627252][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.627252][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.627252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.627252][ T73] [ 3629.629567][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3629.629567][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.629567][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.629567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.629567][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3629.629567][ T73] ipv6_add_addr+0x411/0x2000 [ 3629.629567][ T73] inet6_addr_add+0x30e/0xa40 [ 3629.629567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.629567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.629567][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.629567][ T73] netlink_unicast+0x449/0x710 [ 3629.629567][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.629567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.629567][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.629567][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.629567][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.629567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.629567][ T73] [ 3629.631809][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3629.631809][ T73] netdev_get_by_index+0x5e/0x80 [ 3629.631809][ T73] fib6_nh_init+0x3d8/0x1580 [ 3629.631809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3629.631809][ T73] ip6_route_add+0x1c/0x140 [ 3629.631809][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3629.631809][ T73] addrconf_add_dev+0xe2/0x170 [ 3629.631809][ T73] inet6_addr_add+0x12f/0xa40 [ 3629.631809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.631809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.631809][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.631809][ T73] netlink_unicast+0x449/0x710 [ 3629.631809][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.631809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.631809][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.631809][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.631809][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.631809][ T73] [ 3629.634100][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3629.634100][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3629.634100][ T73] ipv6_find_idev+0x102/0x170 [ 3629.634100][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.634100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.634100][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.634100][ T73] netlink_unicast+0x449/0x710 [ 3629.634100][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.634100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.634100][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.634100][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.634100][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.634100][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.634100][ T73] [ 3629.635943][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3629.635943][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3629.635943][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3629.635943][ T73] ipv6_find_idev+0x102/0x170 [ 3629.635943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.635943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.635943][ T73] netlink_rcv_skb+0x130/0x360 [ 3629.635943][ T73] netlink_unicast+0x449/0x710 [ 3629.635943][ T73] netlink_sendmsg+0x723/0xbe0 [ 3629.635943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3629.635943][ T73] ___sys_sendmsg+0xee/0x170 [ 3629.635943][ T73] __sys_sendmsg+0xcd/0x170 [ 3629.635943][ T73] do_syscall_64+0xc6/0x1e0 [ 3629.635943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.635943][ T73] [ 3639.878833][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3639.879243][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.879243][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3639.879243][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3639.879243][ T73] fib6_nh_init+0xa22/0x1580 [ 3639.879243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.879243][ T73] ip6_route_add+0x1c/0x140 [ 3639.879243][ T73] inet6_rtm_newroute+0x104/0x110 [ 3639.879243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.879243][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.879243][ T73] netlink_unicast+0x449/0x710 [ 3639.879243][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.879243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.879243][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.879243][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.879243][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.879243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.879243][ T73] [ 3639.881229][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.881229][ T73] dst_init+0x84/0x4a0 [ 3639.881229][ T73] dst_alloc+0x97/0x150 [ 3639.881229][ T73] ip6_dst_alloc+0x23/0x90 [ 3639.881229][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3639.881229][ T73] ip6_pol_route+0x56f/0x840 [ 3639.881229][ T73] fib6_rule_lookup+0x456/0x630 [ 3639.881229][ T73] ip6_route_input+0x59c/0xa50 [ 3639.881229][ T73] ipv6_rcv+0x397/0x810 [ 3639.881229][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3639.881229][ T73] process_backlog+0x101/0x620 [ 3639.881229][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3639.881229][ T73] net_rx_action+0x495/0xbe0 [ 3639.881229][ T73] __do_softirq+0x1b5/0x7f6 [ 3639.881229][ T73] [ 3639.882954][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.882954][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.882954][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.882954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.882954][ T73] ip6_route_add+0x1c/0x140 [ 3639.882954][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3639.882954][ T73] inet6_addr_add+0x4f8/0xa40 [ 3639.882954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.882954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.882954][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.882954][ T73] netlink_unicast+0x449/0x710 [ 3639.882954][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.882954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.882954][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.882954][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.882954][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.882954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.882954][ T73] [ 3639.885065][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.885065][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.885065][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.885065][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.885065][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3639.885065][ T73] ipv6_add_addr+0x411/0x2000 [ 3639.885065][ T73] inet6_addr_add+0x30e/0xa40 [ 3639.885065][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.885065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.885065][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.885065][ T73] netlink_unicast+0x449/0x710 [ 3639.885065][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.885065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.885065][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.885065][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.885065][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.885065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.885065][ T73] [ 3639.887172][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.887172][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.887172][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.887172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.887172][ T73] ip6_route_add+0x1c/0x140 [ 3639.887172][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3639.887172][ T73] addrconf_add_dev+0xe2/0x170 [ 3639.887172][ T73] inet6_addr_add+0x12f/0xa40 [ 3639.887172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.887172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.887172][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.887172][ T73] netlink_unicast+0x449/0x710 [ 3639.887172][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.887172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.887172][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.887172][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.887172][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.887172][ T73] [ 3639.889278][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.889278][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3639.889278][ T73] ipv6_find_idev+0x102/0x170 [ 3639.889278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.889278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.889278][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.889278][ T73] netlink_unicast+0x449/0x710 [ 3639.889278][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.889278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.889278][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.889278][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.889278][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.889278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.889278][ T73] [ 3639.890899][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3639.890899][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3639.890899][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3639.890899][ T73] ipv6_find_idev+0x102/0x170 [ 3639.890899][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.890899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.890899][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.890899][ T73] netlink_unicast+0x449/0x710 [ 3639.890899][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.890899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.890899][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.890899][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.890899][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.890899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.890899][ T73] [ 3639.892685][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3639.892996][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.892996][ T73] dst_init+0x84/0x4a0 [ 3639.892996][ T73] dst_alloc+0x97/0x150 [ 3639.892996][ T73] ip6_dst_alloc+0x23/0x90 [ 3639.892996][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3639.892996][ T73] ip6_pol_route+0x56f/0x840 [ 3639.892996][ T73] fib6_rule_lookup+0x456/0x630 [ 3639.892996][ T73] ip6_route_input+0x59c/0xa50 [ 3639.892996][ T73] ipv6_rcv+0x397/0x810 [ 3639.892996][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3639.892996][ T73] process_backlog+0x101/0x620 [ 3639.892996][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3639.892996][ T73] net_rx_action+0x495/0xbe0 [ 3639.892996][ T73] __do_softirq+0x1b5/0x7f6 [ 3639.892996][ T73] [ 3639.894715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.894715][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.894715][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.894715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.894715][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3639.894715][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3639.894715][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3639.894715][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3639.894715][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3639.894715][ T73] addrconf_dad_begin+0x310/0x670 [ 3639.894715][ T73] addrconf_dad_work+0x10b/0xab0 [ 3639.894715][ T73] process_one_work+0x84d/0x18a0 [ 3639.894715][ T73] worker_thread+0x587/0xd30 [ 3639.894715][ T73] kthread+0x28a/0x350 [ 3639.894715][ T73] ret_from_fork+0x31/0x70 [ 3639.894715][ T73] ret_from_fork_asm+0x1a/0x30 [ 3639.894715][ T73] [ 3639.896801][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.896801][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.896801][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.896801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.896801][ T73] ip6_route_add+0x1c/0x140 [ 3639.896801][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3639.896801][ T73] inet6_addr_add+0x4f8/0xa40 [ 3639.896801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.896801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.896801][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.896801][ T73] netlink_unicast+0x449/0x710 [ 3639.896801][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.896801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.896801][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.896801][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.896801][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.896801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.896801][ T73] [ 3639.898812][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.898812][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.898812][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.898812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.898812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3639.898812][ T73] ipv6_add_addr+0x411/0x2000 [ 3639.898812][ T73] inet6_addr_add+0x30e/0xa40 [ 3639.898812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.898812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.898812][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.898812][ T73] netlink_unicast+0x449/0x710 [ 3639.898812][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.898812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.898812][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.898812][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.898812][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.898812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.898812][ T73] [ 3639.900822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.900822][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.900822][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.900822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.900822][ T73] ip6_route_add+0x1c/0x140 [ 3639.900822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3639.900822][ T73] addrconf_add_dev+0xe2/0x170 [ 3639.900822][ T73] inet6_addr_add+0x12f/0xa40 [ 3639.900822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.900822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.900822][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.900822][ T73] netlink_unicast+0x449/0x710 [ 3639.900822][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.900822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.900822][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.900822][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.900822][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.900822][ T73] [ 3639.902799][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.902799][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3639.902799][ T73] ipv6_find_idev+0x102/0x170 [ 3639.902799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.902799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.902799][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.902799][ T73] netlink_unicast+0x449/0x710 [ 3639.902799][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.902799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.902799][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.902799][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.902799][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.902799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.902799][ T73] [ 3639.904352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3639.904352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3639.904352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3639.904352][ T73] ipv6_find_idev+0x102/0x170 [ 3639.904352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.904352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.904352][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.904352][ T73] netlink_unicast+0x449/0x710 [ 3639.904352][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.904352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.904352][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.904352][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.904352][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.904352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.904352][ T73] [ 3639.906171][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3639.906437][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.906437][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3639.906437][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3639.906437][ T73] fib6_nh_init+0xa22/0x1580 [ 3639.906437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.906437][ T73] ip6_route_add+0x1c/0x140 [ 3639.906437][ T73] inet6_rtm_newroute+0x104/0x110 [ 3639.906437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.906437][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.906437][ T73] netlink_unicast+0x449/0x710 [ 3639.906437][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.906437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.906437][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.906437][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.906437][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.906437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.906437][ T73] [ 3639.908565][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.908565][ T73] dst_init+0x84/0x4a0 [ 3639.908565][ T73] dst_alloc+0x97/0x150 [ 3639.908565][ T73] ip6_dst_alloc+0x23/0x90 [ 3639.908565][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3639.908565][ T73] ip6_pol_route+0x56f/0x840 [ 3639.908565][ T73] fib6_rule_lookup+0x456/0x630 [ 3639.908565][ T73] ip6_route_input+0x59c/0xa50 [ 3639.908565][ T73] ipv6_rcv+0x397/0x810 [ 3639.908565][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3639.908565][ T73] process_backlog+0x101/0x620 [ 3639.908565][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3639.908565][ T73] net_rx_action+0x495/0xbe0 [ 3639.908565][ T73] __do_softirq+0x1b5/0x7f6 [ 3639.908565][ T73] [ 3639.910412][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.910412][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.910412][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.910412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.910412][ T73] ip6_route_add+0x1c/0x140 [ 3639.910412][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3639.910412][ T73] inet6_addr_add+0x4f8/0xa40 [ 3639.910412][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.910412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.910412][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.910412][ T73] netlink_unicast+0x449/0x710 [ 3639.910412][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.910412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.910412][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.910412][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.910412][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.910412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.910412][ T73] [ 3639.912611][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.912611][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.912611][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.912611][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.912611][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3639.912611][ T73] ipv6_add_addr+0x411/0x2000 [ 3639.912611][ T73] inet6_addr_add+0x30e/0xa40 [ 3639.912611][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.912611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.912611][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.912611][ T73] netlink_unicast+0x449/0x710 [ 3639.912611][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.912611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.912611][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.912611][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.912611][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.912611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.912611][ T73] [ 3639.914739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.914739][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.914739][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.914739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.914739][ T73] ip6_route_add+0x1c/0x140 [ 3639.914739][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3639.914739][ T73] addrconf_add_dev+0xe2/0x170 [ 3639.914739][ T73] inet6_addr_add+0x12f/0xa40 [ 3639.914739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.914739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.914739][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.914739][ T73] netlink_unicast+0x449/0x710 [ 3639.914739][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.914739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.914739][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.914739][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.914739][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.914739][ T73] [ 3639.916840][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.916840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3639.916840][ T73] ipv6_find_idev+0x102/0x170 [ 3639.916840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.916840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.916840][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.916840][ T73] netlink_unicast+0x449/0x710 [ 3639.916840][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.916840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.916840][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.916840][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.916840][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.916840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.916840][ T73] [ 3639.918459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3639.918459][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3639.918459][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3639.918459][ T73] ipv6_find_idev+0x102/0x170 [ 3639.918459][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.918459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.918459][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.918459][ T73] netlink_unicast+0x449/0x710 [ 3639.918459][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.918459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.918459][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.918459][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.918459][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.918459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.918459][ T73] [ 3639.920279][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3639.920558][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3639.920558][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.920558][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.920558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.920558][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3639.920558][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3639.920558][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3639.920558][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3639.920558][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3639.920558][ T73] addrconf_dad_begin+0x310/0x670 [ 3639.920558][ T73] addrconf_dad_work+0x10b/0xab0 [ 3639.920558][ T73] process_one_work+0x84d/0x18a0 [ 3639.920558][ T73] worker_thread+0x587/0xd30 [ 3639.920558][ T73] kthread+0x28a/0x350 [ 3639.920558][ T73] ret_from_fork+0x31/0x70 [ 3639.920558][ T73] ret_from_fork_asm+0x1a/0x30 [ 3639.920558][ T73] [ 3639.922607][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3639.922607][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.922607][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.922607][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.922607][ T73] ip6_route_add+0x1c/0x140 [ 3639.922607][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3639.922607][ T73] inet6_addr_add+0x4f8/0xa40 [ 3639.922607][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.922607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.922607][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.922607][ T73] netlink_unicast+0x449/0x710 [ 3639.922607][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.922607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.922607][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.922607][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.922607][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.922607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.922607][ T73] [ 3639.924763][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3639.924763][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.924763][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.924763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.924763][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3639.924763][ T73] ipv6_add_addr+0x411/0x2000 [ 3639.924763][ T73] inet6_addr_add+0x30e/0xa40 [ 3639.924763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.924763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.924763][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.924763][ T73] netlink_unicast+0x449/0x710 [ 3639.924763][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.924763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.924763][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.924763][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.924763][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.924763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.924763][ T73] [ 3639.927003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3639.927003][ T73] netdev_get_by_index+0x5e/0x80 [ 3639.927003][ T73] fib6_nh_init+0x3d8/0x1580 [ 3639.927003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3639.927003][ T73] ip6_route_add+0x1c/0x140 [ 3639.927003][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3639.927003][ T73] addrconf_add_dev+0xe2/0x170 [ 3639.927003][ T73] inet6_addr_add+0x12f/0xa40 [ 3639.927003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3639.927003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.927003][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.927003][ T73] netlink_unicast+0x449/0x710 [ 3639.927003][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.927003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.927003][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.927003][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.927003][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.927003][ T73] [ 3639.929112][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3639.929112][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3639.929112][ T73] ipv6_find_idev+0x102/0x170 [ 3639.929112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.929112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.929112][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.929112][ T73] netlink_unicast+0x449/0x710 [ 3639.929112][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.929112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.929112][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.929112][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.929112][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.929112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.929112][ T73] [ 3639.930735][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3639.930735][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3639.930735][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3639.930735][ T73] ipv6_find_idev+0x102/0x170 [ 3639.930735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3639.930735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3639.930735][ T73] netlink_rcv_skb+0x130/0x360 [ 3639.930735][ T73] netlink_unicast+0x449/0x710 [ 3639.930735][ T73] netlink_sendmsg+0x723/0xbe0 [ 3639.930735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3639.930735][ T73] ___sys_sendmsg+0xee/0x170 [ 3639.930735][ T73] __sys_sendmsg+0xcd/0x170 [ 3639.930735][ T73] do_syscall_64+0xc6/0x1e0 [ 3639.930735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3639.930735][ T73] [ 3650.174837][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3650.175251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.175251][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3650.175251][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3650.175251][ T73] fib6_nh_init+0xa22/0x1580 [ 3650.175251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.175251][ T73] ip6_route_add+0x1c/0x140 [ 3650.175251][ T73] inet6_rtm_newroute+0x104/0x110 [ 3650.175251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.175251][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.175251][ T73] netlink_unicast+0x449/0x710 [ 3650.175251][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.175251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.175251][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.175251][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.175251][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.175251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.175251][ T73] [ 3650.177145][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.177145][ T73] dst_init+0x84/0x4a0 [ 3650.177145][ T73] dst_alloc+0x97/0x150 [ 3650.177145][ T73] ip6_dst_alloc+0x23/0x90 [ 3650.177145][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3650.177145][ T73] ip6_pol_route+0x56f/0x840 [ 3650.177145][ T73] fib6_rule_lookup+0x456/0x630 [ 3650.177145][ T73] ip6_route_input+0x59c/0xa50 [ 3650.177145][ T73] ipv6_rcv+0x397/0x810 [ 3650.177145][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3650.177145][ T73] process_backlog+0x101/0x620 [ 3650.177145][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3650.177145][ T73] net_rx_action+0x495/0xbe0 [ 3650.177145][ T73] __do_softirq+0x1b5/0x7f6 [ 3650.177145][ T73] [ 3650.178801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.178801][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.178801][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.178801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.178801][ T73] ip6_route_add+0x1c/0x140 [ 3650.178801][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3650.178801][ T73] inet6_addr_add+0x4f8/0xa40 [ 3650.178801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.178801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.178801][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.178801][ T73] netlink_unicast+0x449/0x710 [ 3650.178801][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.178801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.178801][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.178801][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.178801][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.178801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.178801][ T73] [ 3650.180808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.180808][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.180808][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.180808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.180808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3650.180808][ T73] ipv6_add_addr+0x411/0x2000 [ 3650.180808][ T73] inet6_addr_add+0x30e/0xa40 [ 3650.180808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.180808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.180808][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.180808][ T73] netlink_unicast+0x449/0x710 [ 3650.180808][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.180808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.180808][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.180808][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.180808][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.180808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.180808][ T73] [ 3650.182816][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.182816][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.182816][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.182816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.182816][ T73] ip6_route_add+0x1c/0x140 [ 3650.182816][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3650.182816][ T73] addrconf_add_dev+0xe2/0x170 [ 3650.182816][ T73] inet6_addr_add+0x12f/0xa40 [ 3650.182816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.182816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.182816][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.182816][ T73] netlink_unicast+0x449/0x710 [ 3650.182816][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.182816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.182816][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.182816][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.182816][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.182816][ T73] [ 3650.184802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.184802][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3650.184802][ T73] ipv6_find_idev+0x102/0x170 [ 3650.184802][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.184802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.184802][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.184802][ T73] netlink_unicast+0x449/0x710 [ 3650.184802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.184802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.184802][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.184802][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.184802][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.184802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.184802][ T73] [ 3650.186352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3650.186352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3650.186352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3650.186352][ T73] ipv6_find_idev+0x102/0x170 [ 3650.186352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.186352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.186352][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.186352][ T73] netlink_unicast+0x449/0x710 [ 3650.186352][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.186352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.186352][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.186352][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.186352][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.186352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.186352][ T73] [ 3650.188060][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3650.188335][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.188335][ T73] dst_init+0x84/0x4a0 [ 3650.188335][ T73] dst_alloc+0x97/0x150 [ 3650.188335][ T73] ip6_dst_alloc+0x23/0x90 [ 3650.188335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3650.188335][ T73] ip6_pol_route+0x56f/0x840 [ 3650.188335][ T73] fib6_rule_lookup+0x456/0x630 [ 3650.188335][ T73] ip6_route_input+0x59c/0xa50 [ 3650.188335][ T73] ipv6_rcv+0x397/0x810 [ 3650.188335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3650.188335][ T73] process_backlog+0x101/0x620 [ 3650.188335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3650.188335][ T73] net_rx_action+0x495/0xbe0 [ 3650.188335][ T73] __do_softirq+0x1b5/0x7f6 [ 3650.188335][ T73] [ 3650.189978][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.189978][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.189978][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.189978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.189978][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3650.189978][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3650.189978][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3650.189978][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3650.189978][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3650.189978][ T73] addrconf_dad_begin+0x310/0x670 [ 3650.189978][ T73] addrconf_dad_work+0x10b/0xab0 [ 3650.189978][ T73] process_one_work+0x84d/0x18a0 [ 3650.189978][ T73] worker_thread+0x587/0xd30 [ 3650.189978][ T73] kthread+0x28a/0x350 [ 3650.189978][ T73] ret_from_fork+0x31/0x70 [ 3650.189978][ T73] ret_from_fork_asm+0x1a/0x30 [ 3650.189978][ T73] [ 3650.191894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.191894][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.191894][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.191894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.191894][ T73] ip6_route_add+0x1c/0x140 [ 3650.191894][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3650.191894][ T73] inet6_addr_add+0x4f8/0xa40 [ 3650.191894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.191894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.191894][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.191894][ T73] netlink_unicast+0x449/0x710 [ 3650.191894][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.191894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.191894][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.191894][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.191894][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.191894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.191894][ T73] [ 3650.193907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.193907][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.193907][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.193907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.193907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3650.193907][ T73] ipv6_add_addr+0x411/0x2000 [ 3650.193907][ T73] inet6_addr_add+0x30e/0xa40 [ 3650.193907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.193907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.193907][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.193907][ T73] netlink_unicast+0x449/0x710 [ 3650.193907][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.193907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.193907][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.193907][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.193907][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.193907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.193907][ T73] [ 3650.195915][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.195915][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.195915][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.195915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.195915][ T73] ip6_route_add+0x1c/0x140 [ 3650.195915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3650.195915][ T73] addrconf_add_dev+0xe2/0x170 [ 3650.195915][ T73] inet6_addr_add+0x12f/0xa40 [ 3650.195915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.195915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.195915][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.195915][ T73] netlink_unicast+0x449/0x710 [ 3650.195915][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.195915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.195915][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.195915][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.195915][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.195915][ T73] [ 3650.197886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.197886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3650.197886][ T73] ipv6_find_idev+0x102/0x170 [ 3650.197886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.197886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.197886][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.197886][ T73] netlink_unicast+0x449/0x710 [ 3650.197886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.197886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.197886][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.197886][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.197886][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.197886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.197886][ T73] [ 3650.199427][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3650.199427][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3650.199427][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3650.199427][ T73] ipv6_find_idev+0x102/0x170 [ 3650.199427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.199427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.199427][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.199427][ T73] netlink_unicast+0x449/0x710 [ 3650.199427][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.199427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.199427][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.199427][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.199427][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.199427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.199427][ T73] [ 3650.201246][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3650.201531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.201531][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3650.201531][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3650.201531][ T73] fib6_nh_init+0xa22/0x1580 [ 3650.201531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.201531][ T73] ip6_route_add+0x1c/0x140 [ 3650.201531][ T73] inet6_rtm_newroute+0x104/0x110 [ 3650.201531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.201531][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.201531][ T73] netlink_unicast+0x449/0x710 [ 3650.201531][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.201531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.201531][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.201531][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.201531][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.201531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.201531][ T73] [ 3650.203692][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.203692][ T73] dst_init+0x84/0x4a0 [ 3650.203692][ T73] dst_alloc+0x97/0x150 [ 3650.203692][ T73] ip6_dst_alloc+0x23/0x90 [ 3650.203692][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3650.203692][ T73] ip6_pol_route+0x56f/0x840 [ 3650.203692][ T73] fib6_rule_lookup+0x456/0x630 [ 3650.203692][ T73] ip6_route_input+0x59c/0xa50 [ 3650.203692][ T73] ipv6_rcv+0x397/0x810 [ 3650.203692][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3650.203692][ T73] process_backlog+0x101/0x620 [ 3650.203692][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3650.203692][ T73] net_rx_action+0x495/0xbe0 [ 3650.203692][ T73] __do_softirq+0x1b5/0x7f6 [ 3650.203692][ T73] [ 3650.205577][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.205577][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.205577][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.205577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.205577][ T73] ip6_route_add+0x1c/0x140 [ 3650.205577][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3650.205577][ T73] inet6_addr_add+0x4f8/0xa40 [ 3650.205577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.205577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.205577][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.205577][ T73] netlink_unicast+0x449/0x710 [ 3650.205577][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.205577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.205577][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.205577][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.205577][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.205577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.205577][ T73] [ 3650.207824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.207824][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.207824][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.207824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.207824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3650.207824][ T73] ipv6_add_addr+0x411/0x2000 [ 3650.207824][ T73] inet6_addr_add+0x30e/0xa40 [ 3650.207824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.207824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.207824][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.207824][ T73] netlink_unicast+0x449/0x710 [ 3650.207824][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.207824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.207824][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.207824][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.207824][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.207824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.207824][ T73] [ 3650.210071][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.210071][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.210071][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.210071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.210071][ T73] ip6_route_add+0x1c/0x140 [ 3650.210071][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3650.210071][ T73] addrconf_add_dev+0xe2/0x170 [ 3650.210071][ T73] inet6_addr_add+0x12f/0xa40 [ 3650.210071][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.210071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.210071][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.210071][ T73] netlink_unicast+0x449/0x710 [ 3650.210071][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.210071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.210071][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.210071][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.210071][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.210071][ T73] [ 3650.212233][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.212233][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3650.212233][ T73] ipv6_find_idev+0x102/0x170 [ 3650.212233][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.212233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.212233][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.212233][ T73] netlink_unicast+0x449/0x710 [ 3650.212233][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.212233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.212233][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.212233][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.212233][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.212233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.212233][ T73] [ 3650.213966][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3650.213966][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3650.213966][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3650.213966][ T73] ipv6_find_idev+0x102/0x170 [ 3650.213966][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.213966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.213966][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.213966][ T73] netlink_unicast+0x449/0x710 [ 3650.213966][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.213966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.213966][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.213966][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.213966][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.213966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.213966][ T73] [ 3650.215962][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3650.216231][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3650.216231][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.216231][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.216231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.216231][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3650.216231][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3650.216231][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3650.216231][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3650.216231][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3650.216231][ T73] addrconf_dad_begin+0x310/0x670 [ 3650.216231][ T73] addrconf_dad_work+0x10b/0xab0 [ 3650.216231][ T73] process_one_work+0x84d/0x18a0 [ 3650.216231][ T73] worker_thread+0x587/0xd30 [ 3650.216231][ T73] kthread+0x28a/0x350 [ 3650.216231][ T73] ret_from_fork+0x31/0x70 [ 3650.216231][ T73] ret_from_fork_asm+0x1a/0x30 [ 3650.216231][ T73] [ 3650.218394][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3650.218394][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.218394][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.218394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.218394][ T73] ip6_route_add+0x1c/0x140 [ 3650.218394][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3650.218394][ T73] inet6_addr_add+0x4f8/0xa40 [ 3650.218394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.218394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.218394][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.218394][ T73] netlink_unicast+0x449/0x710 [ 3650.218394][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.218394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.218394][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.218394][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.218394][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.218394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.218394][ T73] [ 3650.220590][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3650.220590][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.220590][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.220590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.220590][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3650.220590][ T73] ipv6_add_addr+0x411/0x2000 [ 3650.220590][ T73] inet6_addr_add+0x30e/0xa40 [ 3650.220590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.220590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.220590][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.220590][ T73] netlink_unicast+0x449/0x710 [ 3650.220590][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.220590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.220590][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.220590][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.220590][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.220590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.220590][ T73] [ 3650.222840][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3650.222840][ T73] netdev_get_by_index+0x5e/0x80 [ 3650.222840][ T73] fib6_nh_init+0x3d8/0x1580 [ 3650.222840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3650.222840][ T73] ip6_route_add+0x1c/0x140 [ 3650.222840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3650.222840][ T73] addrconf_add_dev+0xe2/0x170 [ 3650.222840][ T73] inet6_addr_add+0x12f/0xa40 [ 3650.222840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.222840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.222840][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.222840][ T73] netlink_unicast+0x449/0x710 [ 3650.222840][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.222840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.222840][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.222840][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.222840][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.222840][ T73] [ 3650.225120][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3650.225120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3650.225120][ T73] ipv6_find_idev+0x102/0x170 [ 3650.225120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.225120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.225120][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.225120][ T73] netlink_unicast+0x449/0x710 [ 3650.225120][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.225120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.225120][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.225120][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.225120][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.225120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.225120][ T73] [ 3650.226847][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3650.226847][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3650.226847][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3650.226847][ T73] ipv6_find_idev+0x102/0x170 [ 3650.226847][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.226847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.226847][ T73] netlink_rcv_skb+0x130/0x360 [ 3650.226847][ T73] netlink_unicast+0x449/0x710 [ 3650.226847][ T73] netlink_sendmsg+0x723/0xbe0 [ 3650.226847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3650.226847][ T73] ___sys_sendmsg+0xee/0x170 [ 3650.226847][ T73] __sys_sendmsg+0xcd/0x170 [ 3650.226847][ T73] do_syscall_64+0xc6/0x1e0 [ 3650.226847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.226847][ T73] [ 3660.310934][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3660.311401][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.311401][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3660.311401][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3660.311401][ T73] fib6_nh_init+0xa22/0x1580 [ 3660.311401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.311401][ T73] ip6_route_add+0x1c/0x140 [ 3660.311401][ T73] inet6_rtm_newroute+0x104/0x110 [ 3660.311401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.311401][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.311401][ T73] netlink_unicast+0x449/0x710 [ 3660.311401][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.311401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.311401][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.311401][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.311401][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.311401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.311401][ T73] [ 3660.313309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.313309][ T73] dst_init+0x84/0x4a0 [ 3660.313309][ T73] dst_alloc+0x97/0x150 [ 3660.313309][ T73] ip6_dst_alloc+0x23/0x90 [ 3660.313309][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3660.313309][ T73] ip6_pol_route+0x56f/0x840 [ 3660.313309][ T73] fib6_rule_lookup+0x456/0x630 [ 3660.313309][ T73] ip6_route_input+0x59c/0xa50 [ 3660.313309][ T73] ipv6_rcv+0x397/0x810 [ 3660.313309][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3660.313309][ T73] process_backlog+0x101/0x620 [ 3660.313309][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3660.313309][ T73] net_rx_action+0x495/0xbe0 [ 3660.313309][ T73] __do_softirq+0x1b5/0x7f6 [ 3660.313309][ T73] [ 3660.314977][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.314977][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.314977][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.314977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.314977][ T73] ip6_route_add+0x1c/0x140 [ 3660.314977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3660.314977][ T73] inet6_addr_add+0x4f8/0xa40 [ 3660.314977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.314977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.314977][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.314977][ T73] netlink_unicast+0x449/0x710 [ 3660.314977][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.314977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.314977][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.314977][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.314977][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.314977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.314977][ T73] [ 3660.317037][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.317037][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.317037][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.317037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.317037][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3660.317037][ T73] ipv6_add_addr+0x411/0x2000 [ 3660.317037][ T73] inet6_addr_add+0x30e/0xa40 [ 3660.317037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.317037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.317037][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.317037][ T73] netlink_unicast+0x449/0x710 [ 3660.317037][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.317037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.317037][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.317037][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.317037][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.317037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.317037][ T73] [ 3660.319044][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.319044][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.319044][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.319044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.319044][ T73] ip6_route_add+0x1c/0x140 [ 3660.319044][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3660.319044][ T73] addrconf_add_dev+0xe2/0x170 [ 3660.319044][ T73] inet6_addr_add+0x12f/0xa40 [ 3660.319044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.319044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.319044][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.319044][ T73] netlink_unicast+0x449/0x710 [ 3660.319044][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.319044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.319044][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.319044][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.319044][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.319044][ T73] [ 3660.321019][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.321019][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3660.321019][ T73] ipv6_find_idev+0x102/0x170 [ 3660.321019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.321019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.321019][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.321019][ T73] netlink_unicast+0x449/0x710 [ 3660.321019][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.321019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.321019][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.321019][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.321019][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.321019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.321019][ T73] [ 3660.322563][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3660.322563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3660.322563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3660.322563][ T73] ipv6_find_idev+0x102/0x170 [ 3660.322563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.322563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.322563][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.322563][ T73] netlink_unicast+0x449/0x710 [ 3660.322563][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.322563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.322563][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.322563][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.322563][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.322563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.322563][ T73] [ 3660.324288][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3660.324560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.324560][ T73] dst_init+0x84/0x4a0 [ 3660.324560][ T73] dst_alloc+0x97/0x150 [ 3660.324560][ T73] ip6_dst_alloc+0x23/0x90 [ 3660.324560][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3660.324560][ T73] ip6_pol_route+0x56f/0x840 [ 3660.324560][ T73] fib6_rule_lookup+0x456/0x630 [ 3660.324560][ T73] ip6_route_input+0x59c/0xa50 [ 3660.324560][ T73] ipv6_rcv+0x397/0x810 [ 3660.324560][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3660.324560][ T73] process_backlog+0x101/0x620 [ 3660.324560][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3660.324560][ T73] net_rx_action+0x495/0xbe0 [ 3660.324560][ T73] __do_softirq+0x1b5/0x7f6 [ 3660.324560][ T73] [ 3660.326203][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.326203][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.326203][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.326203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.326203][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3660.326203][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3660.326203][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3660.326203][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3660.326203][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3660.326203][ T73] addrconf_dad_begin+0x310/0x670 [ 3660.326203][ T73] addrconf_dad_work+0x10b/0xab0 [ 3660.326203][ T73] process_one_work+0x84d/0x18a0 [ 3660.326203][ T73] worker_thread+0x587/0xd30 [ 3660.326203][ T73] kthread+0x28a/0x350 [ 3660.326203][ T73] ret_from_fork+0x31/0x70 [ 3660.326203][ T73] ret_from_fork_asm+0x1a/0x30 [ 3660.326203][ T73] [ 3660.328126][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.328126][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.328126][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.328126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.328126][ T73] ip6_route_add+0x1c/0x140 [ 3660.328126][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3660.328126][ T73] inet6_addr_add+0x4f8/0xa40 [ 3660.328126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.328126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.328126][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.328126][ T73] netlink_unicast+0x449/0x710 [ 3660.328126][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.328126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.328126][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.328126][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.328126][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.328126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.328126][ T73] [ 3660.330138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.330138][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.330138][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.330138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.330138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3660.330138][ T73] ipv6_add_addr+0x411/0x2000 [ 3660.330138][ T73] inet6_addr_add+0x30e/0xa40 [ 3660.330138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.330138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.330138][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.330138][ T73] netlink_unicast+0x449/0x710 [ 3660.330138][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.330138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.330138][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.330138][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.330138][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.330138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.330138][ T73] [ 3660.332165][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.332165][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.332165][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.332165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.332165][ T73] ip6_route_add+0x1c/0x140 [ 3660.332165][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3660.332165][ T73] addrconf_add_dev+0xe2/0x170 [ 3660.332165][ T73] inet6_addr_add+0x12f/0xa40 [ 3660.332165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.332165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.332165][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.332165][ T73] netlink_unicast+0x449/0x710 [ 3660.332165][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.332165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.332165][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.332165][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.332165][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.332165][ T73] [ 3660.334142][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.334142][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3660.334142][ T73] ipv6_find_idev+0x102/0x170 [ 3660.334142][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.334142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.334142][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.334142][ T73] netlink_unicast+0x449/0x710 [ 3660.334142][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.334142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.334142][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.334142][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.334142][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.334142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.334142][ T73] [ 3660.335695][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3660.335695][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3660.335695][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3660.335695][ T73] ipv6_find_idev+0x102/0x170 [ 3660.335695][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.335695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.335695][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.335695][ T73] netlink_unicast+0x449/0x710 [ 3660.335695][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.335695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.335695][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.335695][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.335695][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.335695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.335695][ T73] [ 3660.337524][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3660.337803][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.337803][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3660.337803][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3660.337803][ T73] fib6_nh_init+0xa22/0x1580 [ 3660.337803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.337803][ T73] ip6_route_add+0x1c/0x140 [ 3660.337803][ T73] inet6_rtm_newroute+0x104/0x110 [ 3660.337803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.337803][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.337803][ T73] netlink_unicast+0x449/0x710 [ 3660.337803][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.337803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.337803][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.337803][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.337803][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.337803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.337803][ T73] [ 3660.339988][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.339988][ T73] dst_init+0x84/0x4a0 [ 3660.339988][ T73] dst_alloc+0x97/0x150 [ 3660.339988][ T73] ip6_dst_alloc+0x23/0x90 [ 3660.339988][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3660.339988][ T73] ip6_pol_route+0x56f/0x840 [ 3660.339988][ T73] fib6_rule_lookup+0x456/0x630 [ 3660.339988][ T73] ip6_route_input+0x59c/0xa50 [ 3660.339988][ T73] ipv6_rcv+0x397/0x810 [ 3660.339988][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3660.339988][ T73] process_backlog+0x101/0x620 [ 3660.339988][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3660.339988][ T73] net_rx_action+0x495/0xbe0 [ 3660.339988][ T73] __do_softirq+0x1b5/0x7f6 [ 3660.339988][ T73] [ 3660.341810][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.341810][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.341810][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.341810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.341810][ T73] ip6_route_add+0x1c/0x140 [ 3660.341810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3660.341810][ T73] inet6_addr_add+0x4f8/0xa40 [ 3660.341810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.341810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.341810][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.341810][ T73] netlink_unicast+0x449/0x710 [ 3660.341810][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.341810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.341810][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.341810][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.341810][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.341810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.341810][ T73] [ 3660.344067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.344067][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.344067][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.344067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.344067][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3660.344067][ T73] ipv6_add_addr+0x411/0x2000 [ 3660.344067][ T73] inet6_addr_add+0x30e/0xa40 [ 3660.344067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.344067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.344067][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.344067][ T73] netlink_unicast+0x449/0x710 [ 3660.344067][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.344067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.344067][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.344067][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.344067][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.344067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.344067][ T73] [ 3660.346324][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.346324][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.346324][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.346324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.346324][ T73] ip6_route_add+0x1c/0x140 [ 3660.346324][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3660.346324][ T73] addrconf_add_dev+0xe2/0x170 [ 3660.346324][ T73] inet6_addr_add+0x12f/0xa40 [ 3660.346324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.346324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.346324][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.346324][ T73] netlink_unicast+0x449/0x710 [ 3660.346324][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.346324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.346324][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.346324][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.346324][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.346324][ T73] [ 3660.348535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.348535][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3660.348535][ T73] ipv6_find_idev+0x102/0x170 [ 3660.348535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.348535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.348535][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.348535][ T73] netlink_unicast+0x449/0x710 [ 3660.348535][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.348535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.348535][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.348535][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.348535][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.348535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.348535][ T73] [ 3660.350265][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3660.350265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3660.350265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3660.350265][ T73] ipv6_find_idev+0x102/0x170 [ 3660.350265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.350265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.350265][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.350265][ T73] netlink_unicast+0x449/0x710 [ 3660.350265][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.350265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.350265][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.350265][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.350265][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.350265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.350265][ T73] [ 3660.352204][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3660.352474][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3660.352474][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.352474][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.352474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.352474][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3660.352474][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3660.352474][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3660.352474][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3660.352474][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3660.352474][ T73] addrconf_dad_begin+0x310/0x670 [ 3660.352474][ T73] addrconf_dad_work+0x10b/0xab0 [ 3660.352474][ T73] process_one_work+0x84d/0x18a0 [ 3660.352474][ T73] worker_thread+0x587/0xd30 [ 3660.352474][ T73] kthread+0x28a/0x350 [ 3660.352474][ T73] ret_from_fork+0x31/0x70 [ 3660.352474][ T73] ret_from_fork_asm+0x1a/0x30 [ 3660.352474][ T73] [ 3660.354636][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3660.354636][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.354636][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.354636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.354636][ T73] ip6_route_add+0x1c/0x140 [ 3660.354636][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3660.354636][ T73] inet6_addr_add+0x4f8/0xa40 [ 3660.354636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.354636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.354636][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.354636][ T73] netlink_unicast+0x449/0x710 [ 3660.354636][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.354636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.354636][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.354636][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.354636][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.354636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.354636][ T73] [ 3660.356822][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3660.356822][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.356822][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.356822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.356822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3660.356822][ T73] ipv6_add_addr+0x411/0x2000 [ 3660.356822][ T73] inet6_addr_add+0x30e/0xa40 [ 3660.356822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.356822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.356822][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.356822][ T73] netlink_unicast+0x449/0x710 [ 3660.356822][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.356822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.356822][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.356822][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.356822][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.356822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.356822][ T73] [ 3660.359125][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3660.359125][ T73] netdev_get_by_index+0x5e/0x80 [ 3660.359125][ T73] fib6_nh_init+0x3d8/0x1580 [ 3660.359125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3660.359125][ T73] ip6_route_add+0x1c/0x140 [ 3660.359125][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3660.359125][ T73] addrconf_add_dev+0xe2/0x170 [ 3660.359125][ T73] inet6_addr_add+0x12f/0xa40 [ 3660.359125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.359125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.359125][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.359125][ T73] netlink_unicast+0x449/0x710 [ 3660.359125][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.359125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.359125][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.359125][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.359125][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.359125][ T73] [ 3660.361350][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3660.361350][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3660.361350][ T73] ipv6_find_idev+0x102/0x170 [ 3660.361350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.361350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.361350][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.361350][ T73] netlink_unicast+0x449/0x710 [ 3660.361350][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.361350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.361350][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.361350][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.361350][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.361350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.361350][ T73] [ 3660.363086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3660.363086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3660.363086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3660.363086][ T73] ipv6_find_idev+0x102/0x170 [ 3660.363086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.363086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.363086][ T73] netlink_rcv_skb+0x130/0x360 [ 3660.363086][ T73] netlink_unicast+0x449/0x710 [ 3660.363086][ T73] netlink_sendmsg+0x723/0xbe0 [ 3660.363086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3660.363086][ T73] ___sys_sendmsg+0xee/0x170 [ 3660.363086][ T73] __sys_sendmsg+0xcd/0x170 [ 3660.363086][ T73] do_syscall_64+0xc6/0x1e0 [ 3660.363086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.363086][ T73] [ 3670.614890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3670.615340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.615340][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3670.615340][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3670.615340][ T73] fib6_nh_init+0xa22/0x1580 [ 3670.615340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.615340][ T73] ip6_route_add+0x1c/0x140 [ 3670.615340][ T73] inet6_rtm_newroute+0x104/0x110 [ 3670.615340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.615340][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.615340][ T73] netlink_unicast+0x449/0x710 [ 3670.615340][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.615340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.615340][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.615340][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.615340][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.615340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.615340][ T73] [ 3670.617234][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.617234][ T73] dst_init+0x84/0x4a0 [ 3670.617234][ T73] dst_alloc+0x97/0x150 [ 3670.617234][ T73] ip6_dst_alloc+0x23/0x90 [ 3670.617234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3670.617234][ T73] ip6_pol_route+0x56f/0x840 [ 3670.617234][ T73] fib6_rule_lookup+0x456/0x630 [ 3670.617234][ T73] ip6_route_input+0x59c/0xa50 [ 3670.617234][ T73] ipv6_rcv+0x397/0x810 [ 3670.617234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3670.617234][ T73] process_backlog+0x101/0x620 [ 3670.617234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3670.617234][ T73] net_rx_action+0x495/0xbe0 [ 3670.617234][ T73] __do_softirq+0x1b5/0x7f6 [ 3670.617234][ T73] [ 3670.618869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.618869][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.618869][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.618869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.618869][ T73] ip6_route_add+0x1c/0x140 [ 3670.618869][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3670.618869][ T73] inet6_addr_add+0x4f8/0xa40 [ 3670.618869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.618869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.618869][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.618869][ T73] netlink_unicast+0x449/0x710 [ 3670.618869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.618869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.618869][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.618869][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.618869][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.618869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.618869][ T73] [ 3670.620853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.620853][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.620853][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.620853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.620853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3670.620853][ T73] ipv6_add_addr+0x411/0x2000 [ 3670.620853][ T73] inet6_addr_add+0x30e/0xa40 [ 3670.620853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.620853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.620853][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.620853][ T73] netlink_unicast+0x449/0x710 [ 3670.620853][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.620853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.620853][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.620853][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.620853][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.620853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.620853][ T73] [ 3670.622842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.622842][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.622842][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.622842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.622842][ T73] ip6_route_add+0x1c/0x140 [ 3670.622842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3670.622842][ T73] addrconf_add_dev+0xe2/0x170 [ 3670.622842][ T73] inet6_addr_add+0x12f/0xa40 [ 3670.622842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.622842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.622842][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.622842][ T73] netlink_unicast+0x449/0x710 [ 3670.622842][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.622842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.622842][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.622842][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.622842][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.622842][ T73] [ 3670.624808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.624808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3670.624808][ T73] ipv6_find_idev+0x102/0x170 [ 3670.624808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.624808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.624808][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.624808][ T73] netlink_unicast+0x449/0x710 [ 3670.624808][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.624808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.624808][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.624808][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.624808][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.624808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.624808][ T73] [ 3670.626340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3670.626340][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3670.626340][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3670.626340][ T73] ipv6_find_idev+0x102/0x170 [ 3670.626340][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.626340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.626340][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.626340][ T73] netlink_unicast+0x449/0x710 [ 3670.626340][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.626340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.626340][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.626340][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.626340][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.626340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.626340][ T73] [ 3670.628016][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3670.628295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.628295][ T73] dst_init+0x84/0x4a0 [ 3670.628295][ T73] dst_alloc+0x97/0x150 [ 3670.628295][ T73] ip6_dst_alloc+0x23/0x90 [ 3670.628295][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3670.628295][ T73] ip6_pol_route+0x56f/0x840 [ 3670.628295][ T73] fib6_rule_lookup+0x456/0x630 [ 3670.628295][ T73] ip6_route_input+0x59c/0xa50 [ 3670.628295][ T73] ipv6_rcv+0x397/0x810 [ 3670.628295][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3670.628295][ T73] process_backlog+0x101/0x620 [ 3670.628295][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3670.628295][ T73] net_rx_action+0x495/0xbe0 [ 3670.628295][ T73] __do_softirq+0x1b5/0x7f6 [ 3670.628295][ T73] [ 3670.629923][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.629923][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.629923][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.629923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.629923][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3670.629923][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3670.629923][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3670.629923][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3670.629923][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3670.629923][ T73] addrconf_dad_begin+0x310/0x670 [ 3670.629923][ T73] addrconf_dad_work+0x10b/0xab0 [ 3670.629923][ T73] process_one_work+0x84d/0x18a0 [ 3670.629923][ T73] worker_thread+0x587/0xd30 [ 3670.629923][ T73] kthread+0x28a/0x350 [ 3670.629923][ T73] ret_from_fork+0x31/0x70 [ 3670.629923][ T73] ret_from_fork_asm+0x1a/0x30 [ 3670.629923][ T73] [ 3670.631816][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.631816][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.631816][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.631816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.631816][ T73] ip6_route_add+0x1c/0x140 [ 3670.631816][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3670.631816][ T73] inet6_addr_add+0x4f8/0xa40 [ 3670.631816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.631816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.631816][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.631816][ T73] netlink_unicast+0x449/0x710 [ 3670.631816][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.631816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.631816][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.631816][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.631816][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.631816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.631816][ T73] [ 3670.633815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.633815][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.633815][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.633815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.633815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3670.633815][ T73] ipv6_add_addr+0x411/0x2000 [ 3670.633815][ T73] inet6_addr_add+0x30e/0xa40 [ 3670.633815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.633815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.633815][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.633815][ T73] netlink_unicast+0x449/0x710 [ 3670.633815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.633815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.633815][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.633815][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.633815][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.633815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.633815][ T73] [ 3670.635811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.635811][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.635811][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.635811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.635811][ T73] ip6_route_add+0x1c/0x140 [ 3670.635811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3670.635811][ T73] addrconf_add_dev+0xe2/0x170 [ 3670.635811][ T73] inet6_addr_add+0x12f/0xa40 [ 3670.635811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.635811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.635811][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.635811][ T73] netlink_unicast+0x449/0x710 [ 3670.635811][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.635811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.635811][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.635811][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.635811][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.635811][ T73] [ 3670.637763][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.637763][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3670.637763][ T73] ipv6_find_idev+0x102/0x170 [ 3670.637763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.637763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.637763][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.637763][ T73] netlink_unicast+0x449/0x710 [ 3670.637763][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.637763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.637763][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.637763][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.637763][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.637763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.637763][ T73] [ 3670.639289][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3670.639289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3670.639289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3670.639289][ T73] ipv6_find_idev+0x102/0x170 [ 3670.639289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.639289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.639289][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.639289][ T73] netlink_unicast+0x449/0x710 [ 3670.639289][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.639289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.639289][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.639289][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.639289][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.639289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.639289][ T73] [ 3670.641076][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3670.641348][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.641348][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3670.641348][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3670.641348][ T73] fib6_nh_init+0xa22/0x1580 [ 3670.641348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.641348][ T73] ip6_route_add+0x1c/0x140 [ 3670.641348][ T73] inet6_rtm_newroute+0x104/0x110 [ 3670.641348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.641348][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.641348][ T73] netlink_unicast+0x449/0x710 [ 3670.641348][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.641348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.641348][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.641348][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.641348][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.641348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.641348][ T73] [ 3670.643522][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.643522][ T73] dst_init+0x84/0x4a0 [ 3670.643522][ T73] dst_alloc+0x97/0x150 [ 3670.643522][ T73] ip6_dst_alloc+0x23/0x90 [ 3670.643522][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3670.643522][ T73] ip6_pol_route+0x56f/0x840 [ 3670.643522][ T73] fib6_rule_lookup+0x456/0x630 [ 3670.643522][ T73] ip6_route_input+0x59c/0xa50 [ 3670.643522][ T73] ipv6_rcv+0x397/0x810 [ 3670.643522][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3670.643522][ T73] process_backlog+0x101/0x620 [ 3670.643522][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3670.643522][ T73] net_rx_action+0x495/0xbe0 [ 3670.643522][ T73] __do_softirq+0x1b5/0x7f6 [ 3670.643522][ T73] [ 3670.645331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.645331][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.645331][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.645331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.645331][ T73] ip6_route_add+0x1c/0x140 [ 3670.645331][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3670.645331][ T73] inet6_addr_add+0x4f8/0xa40 [ 3670.645331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.645331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.645331][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.645331][ T73] netlink_unicast+0x449/0x710 [ 3670.645331][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.645331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.645331][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.645331][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.645331][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.645331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.645331][ T73] [ 3670.647545][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.647545][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.647545][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.647545][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.647545][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3670.647545][ T73] ipv6_add_addr+0x411/0x2000 [ 3670.647545][ T73] inet6_addr_add+0x30e/0xa40 [ 3670.647545][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.647545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.647545][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.647545][ T73] netlink_unicast+0x449/0x710 [ 3670.647545][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.647545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.647545][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.647545][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.647545][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.647545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.647545][ T73] [ 3670.649772][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.649772][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.649772][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.649772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.649772][ T73] ip6_route_add+0x1c/0x140 [ 3670.649772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3670.649772][ T73] addrconf_add_dev+0xe2/0x170 [ 3670.649772][ T73] inet6_addr_add+0x12f/0xa40 [ 3670.649772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.649772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.649772][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.649772][ T73] netlink_unicast+0x449/0x710 [ 3670.649772][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.649772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.649772][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.649772][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.649772][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.649772][ T73] [ 3670.652021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.652021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3670.652021][ T73] ipv6_find_idev+0x102/0x170 [ 3670.652021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.652021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.652021][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.652021][ T73] netlink_unicast+0x449/0x710 [ 3670.652021][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.652021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.652021][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.652021][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.652021][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.652021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.652021][ T73] [ 3670.653737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3670.653737][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3670.653737][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3670.653737][ T73] ipv6_find_idev+0x102/0x170 [ 3670.653737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.653737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.653737][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.653737][ T73] netlink_unicast+0x449/0x710 [ 3670.653737][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.653737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.653737][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.653737][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.653737][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.653737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.653737][ T73] [ 3670.655591][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3670.655862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3670.655862][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.655862][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.655862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.655862][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3670.655862][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3670.655862][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3670.655862][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3670.655862][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3670.655862][ T73] addrconf_dad_begin+0x310/0x670 [ 3670.655862][ T73] addrconf_dad_work+0x10b/0xab0 [ 3670.655862][ T73] process_one_work+0x84d/0x18a0 [ 3670.655862][ T73] worker_thread+0x587/0xd30 [ 3670.655862][ T73] kthread+0x28a/0x350 [ 3670.655862][ T73] ret_from_fork+0x31/0x70 [ 3670.655862][ T73] ret_from_fork_asm+0x1a/0x30 [ 3670.655862][ T73] [ 3670.658002][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3670.658002][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.658002][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.658002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.658002][ T73] ip6_route_add+0x1c/0x140 [ 3670.658002][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3670.658002][ T73] inet6_addr_add+0x4f8/0xa40 [ 3670.658002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.658002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.658002][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.658002][ T73] netlink_unicast+0x449/0x710 [ 3670.658002][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.658002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.658002][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.658002][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.658002][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.658002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.658002][ T73] [ 3670.660226][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3670.660226][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.660226][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.660226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.660226][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3670.660226][ T73] ipv6_add_addr+0x411/0x2000 [ 3670.660226][ T73] inet6_addr_add+0x30e/0xa40 [ 3670.660226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.660226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.660226][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.660226][ T73] netlink_unicast+0x449/0x710 [ 3670.660226][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.660226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.660226][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.660226][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.660226][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.660226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.660226][ T73] [ 3670.662523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3670.662523][ T73] netdev_get_by_index+0x5e/0x80 [ 3670.662523][ T73] fib6_nh_init+0x3d8/0x1580 [ 3670.662523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3670.662523][ T73] ip6_route_add+0x1c/0x140 [ 3670.662523][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3670.662523][ T73] addrconf_add_dev+0xe2/0x170 [ 3670.662523][ T73] inet6_addr_add+0x12f/0xa40 [ 3670.662523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.662523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.662523][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.662523][ T73] netlink_unicast+0x449/0x710 [ 3670.662523][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.662523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.662523][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.662523][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.662523][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.662523][ T73] [ 3670.664659][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3670.664659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3670.664659][ T73] ipv6_find_idev+0x102/0x170 [ 3670.664659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.664659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.664659][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.664659][ T73] netlink_unicast+0x449/0x710 [ 3670.664659][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.664659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.664659][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.664659][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.664659][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.664659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.664659][ T73] [ 3670.666873][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3670.666873][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3670.666873][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3670.666873][ T73] ipv6_find_idev+0x102/0x170 [ 3670.666873][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.666873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.666873][ T73] netlink_rcv_skb+0x130/0x360 [ 3670.666873][ T73] netlink_unicast+0x449/0x710 [ 3670.666873][ T73] netlink_sendmsg+0x723/0xbe0 [ 3670.666873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3670.666873][ T73] ___sys_sendmsg+0xee/0x170 [ 3670.666873][ T73] __sys_sendmsg+0xcd/0x170 [ 3670.666873][ T73] do_syscall_64+0xc6/0x1e0 [ 3670.666873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.666873][ T73] [ 3680.726917][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3680.727389][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.727389][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3680.727389][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3680.727389][ T73] fib6_nh_init+0xa22/0x1580 [ 3680.727389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.727389][ T73] ip6_route_add+0x1c/0x140 [ 3680.727389][ T73] inet6_rtm_newroute+0x104/0x110 [ 3680.727389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.727389][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.727389][ T73] netlink_unicast+0x449/0x710 [ 3680.727389][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.727389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.727389][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.727389][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.727389][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.727389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.727389][ T73] [ 3680.729272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.729272][ T73] dst_init+0x84/0x4a0 [ 3680.729272][ T73] dst_alloc+0x97/0x150 [ 3680.729272][ T73] ip6_dst_alloc+0x23/0x90 [ 3680.729272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3680.729272][ T73] ip6_pol_route+0x56f/0x840 [ 3680.729272][ T73] fib6_rule_lookup+0x456/0x630 [ 3680.729272][ T73] ip6_route_input+0x59c/0xa50 [ 3680.729272][ T73] ipv6_rcv+0x397/0x810 [ 3680.729272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3680.729272][ T73] process_backlog+0x101/0x620 [ 3680.729272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3680.729272][ T73] net_rx_action+0x495/0xbe0 [ 3680.729272][ T73] __do_softirq+0x1b5/0x7f6 [ 3680.729272][ T73] [ 3680.730907][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.730907][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.730907][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.730907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.730907][ T73] ip6_route_add+0x1c/0x140 [ 3680.730907][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3680.730907][ T73] inet6_addr_add+0x4f8/0xa40 [ 3680.730907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.730907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.730907][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.730907][ T73] netlink_unicast+0x449/0x710 [ 3680.730907][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.730907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.730907][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.730907][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.730907][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.730907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.730907][ T73] [ 3680.732895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.732895][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.732895][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.732895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.732895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3680.732895][ T73] ipv6_add_addr+0x411/0x2000 [ 3680.732895][ T73] inet6_addr_add+0x30e/0xa40 [ 3680.732895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.732895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.732895][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.732895][ T73] netlink_unicast+0x449/0x710 [ 3680.732895][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.732895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.732895][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.732895][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.732895][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.732895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.732895][ T73] [ 3680.734903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.734903][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.734903][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.734903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.734903][ T73] ip6_route_add+0x1c/0x140 [ 3680.734903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3680.734903][ T73] addrconf_add_dev+0xe2/0x170 [ 3680.734903][ T73] inet6_addr_add+0x12f/0xa40 [ 3680.734903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.734903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.734903][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.734903][ T73] netlink_unicast+0x449/0x710 [ 3680.734903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.734903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.734903][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.734903][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.734903][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.734903][ T73] [ 3680.736851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.736851][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3680.736851][ T73] ipv6_find_idev+0x102/0x170 [ 3680.736851][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.736851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.736851][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.736851][ T73] netlink_unicast+0x449/0x710 [ 3680.736851][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.736851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.736851][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.736851][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.736851][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.736851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.736851][ T73] [ 3680.738378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3680.738378][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3680.738378][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3680.738378][ T73] ipv6_find_idev+0x102/0x170 [ 3680.738378][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.738378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.738378][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.738378][ T73] netlink_unicast+0x449/0x710 [ 3680.738378][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.738378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.738378][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.738378][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.738378][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.738378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.738378][ T73] [ 3680.740051][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3680.740324][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.740324][ T73] dst_init+0x84/0x4a0 [ 3680.740324][ T73] dst_alloc+0x97/0x150 [ 3680.740324][ T73] ip6_dst_alloc+0x23/0x90 [ 3680.740324][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3680.740324][ T73] ip6_pol_route+0x56f/0x840 [ 3680.740324][ T73] fib6_rule_lookup+0x456/0x630 [ 3680.740324][ T73] ip6_route_input+0x59c/0xa50 [ 3680.740324][ T73] ipv6_rcv+0x397/0x810 [ 3680.740324][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3680.740324][ T73] process_backlog+0x101/0x620 [ 3680.740324][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3680.740324][ T73] net_rx_action+0x495/0xbe0 [ 3680.740324][ T73] __do_softirq+0x1b5/0x7f6 [ 3680.740324][ T73] [ 3680.741946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.741946][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.741946][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.741946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.741946][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3680.741946][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3680.741946][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3680.741946][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3680.741946][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3680.741946][ T73] addrconf_dad_begin+0x310/0x670 [ 3680.741946][ T73] addrconf_dad_work+0x10b/0xab0 [ 3680.741946][ T73] process_one_work+0x84d/0x18a0 [ 3680.741946][ T73] worker_thread+0x587/0xd30 [ 3680.741946][ T73] kthread+0x28a/0x350 [ 3680.741946][ T73] ret_from_fork+0x31/0x70 [ 3680.741946][ T73] ret_from_fork_asm+0x1a/0x30 [ 3680.741946][ T73] [ 3680.743856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.743856][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.743856][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.743856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.743856][ T73] ip6_route_add+0x1c/0x140 [ 3680.743856][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3680.743856][ T73] inet6_addr_add+0x4f8/0xa40 [ 3680.743856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.743856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.743856][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.743856][ T73] netlink_unicast+0x449/0x710 [ 3680.743856][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.743856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.743856][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.743856][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.743856][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.743856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.743856][ T73] [ 3680.746245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.746245][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.746245][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.746245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.746245][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3680.746245][ T73] ipv6_add_addr+0x411/0x2000 [ 3680.746245][ T73] inet6_addr_add+0x30e/0xa40 [ 3680.746245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.746245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.746245][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.746245][ T73] netlink_unicast+0x449/0x710 [ 3680.746245][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.746245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.746245][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.746245][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.746245][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.746245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.746245][ T73] [ 3680.748570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.748570][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.748570][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.748570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.748570][ T73] ip6_route_add+0x1c/0x140 [ 3680.748570][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3680.748570][ T73] addrconf_add_dev+0xe2/0x170 [ 3680.748570][ T73] inet6_addr_add+0x12f/0xa40 [ 3680.748570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.748570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.748570][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.748570][ T73] netlink_unicast+0x449/0x710 [ 3680.748570][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.748570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.748570][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.748570][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.748570][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.748570][ T73] [ 3680.750516][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.750516][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3680.750516][ T73] ipv6_find_idev+0x102/0x170 [ 3680.750516][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.750516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.750516][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.750516][ T73] netlink_unicast+0x449/0x710 [ 3680.750516][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.750516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.750516][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.750516][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.750516][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.750516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.750516][ T73] [ 3680.752043][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3680.752043][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3680.752043][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3680.752043][ T73] ipv6_find_idev+0x102/0x170 [ 3680.752043][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.752043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.752043][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.752043][ T73] netlink_unicast+0x449/0x710 [ 3680.752043][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.752043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.752043][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.752043][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.752043][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.752043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.752043][ T73] [ 3680.753842][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3680.754111][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.754111][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3680.754111][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3680.754111][ T73] fib6_nh_init+0xa22/0x1580 [ 3680.754111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.754111][ T73] ip6_route_add+0x1c/0x140 [ 3680.754111][ T73] inet6_rtm_newroute+0x104/0x110 [ 3680.754111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.754111][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.754111][ T73] netlink_unicast+0x449/0x710 [ 3680.754111][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.754111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.754111][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.754111][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.754111][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.754111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.754111][ T73] [ 3680.756219][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.756219][ T73] dst_init+0x84/0x4a0 [ 3680.756219][ T73] dst_alloc+0x97/0x150 [ 3680.756219][ T73] ip6_dst_alloc+0x23/0x90 [ 3680.756219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3680.756219][ T73] ip6_pol_route+0x56f/0x840 [ 3680.756219][ T73] fib6_rule_lookup+0x456/0x630 [ 3680.756219][ T73] ip6_route_input+0x59c/0xa50 [ 3680.756219][ T73] ipv6_rcv+0x397/0x810 [ 3680.756219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3680.756219][ T73] process_backlog+0x101/0x620 [ 3680.756219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3680.756219][ T73] net_rx_action+0x495/0xbe0 [ 3680.756219][ T73] __do_softirq+0x1b5/0x7f6 [ 3680.756219][ T73] [ 3680.758021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.758021][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.758021][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.758021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.758021][ T73] ip6_route_add+0x1c/0x140 [ 3680.758021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3680.758021][ T73] inet6_addr_add+0x4f8/0xa40 [ 3680.758021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.758021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.758021][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.758021][ T73] netlink_unicast+0x449/0x710 [ 3680.758021][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.758021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.758021][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.758021][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.758021][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.758021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.758021][ T73] [ 3680.760304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.760304][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.760304][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.760304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.760304][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3680.760304][ T73] ipv6_add_addr+0x411/0x2000 [ 3680.760304][ T73] inet6_addr_add+0x30e/0xa40 [ 3680.760304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.760304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.760304][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.760304][ T73] netlink_unicast+0x449/0x710 [ 3680.760304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.760304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.760304][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.760304][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.760304][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.760304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.760304][ T73] [ 3680.762528][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.762528][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.762528][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.762528][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.762528][ T73] ip6_route_add+0x1c/0x140 [ 3680.762528][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3680.762528][ T73] addrconf_add_dev+0xe2/0x170 [ 3680.762528][ T73] inet6_addr_add+0x12f/0xa40 [ 3680.762528][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.762528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.762528][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.762528][ T73] netlink_unicast+0x449/0x710 [ 3680.762528][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.762528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.762528][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.762528][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.762528][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.762528][ T73] [ 3680.764716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.764716][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3680.764716][ T73] ipv6_find_idev+0x102/0x170 [ 3680.764716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.764716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.764716][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.764716][ T73] netlink_unicast+0x449/0x710 [ 3680.764716][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.764716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.764716][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.764716][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.764716][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.764716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.764716][ T73] [ 3680.766423][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3680.766423][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3680.766423][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3680.766423][ T73] ipv6_find_idev+0x102/0x170 [ 3680.766423][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.766423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.766423][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.766423][ T73] netlink_unicast+0x449/0x710 [ 3680.766423][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.766423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.766423][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.766423][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.766423][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.766423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.766423][ T73] [ 3680.768331][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3680.768593][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3680.768593][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.768593][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.768593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.768593][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3680.768593][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3680.768593][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3680.768593][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3680.768593][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3680.768593][ T73] addrconf_dad_begin+0x310/0x670 [ 3680.768593][ T73] addrconf_dad_work+0x10b/0xab0 [ 3680.768593][ T73] process_one_work+0x84d/0x18a0 [ 3680.768593][ T73] worker_thread+0x587/0xd30 [ 3680.768593][ T73] kthread+0x28a/0x350 [ 3680.768593][ T73] ret_from_fork+0x31/0x70 [ 3680.768593][ T73] ret_from_fork_asm+0x1a/0x30 [ 3680.768593][ T73] [ 3680.770747][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3680.770747][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.770747][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.770747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.770747][ T73] ip6_route_add+0x1c/0x140 [ 3680.770747][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3680.770747][ T73] inet6_addr_add+0x4f8/0xa40 [ 3680.770747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.770747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.770747][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.770747][ T73] netlink_unicast+0x449/0x710 [ 3680.770747][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.770747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.770747][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.770747][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.770747][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.770747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.770747][ T73] [ 3680.772970][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3680.772970][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.772970][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.772970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.772970][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3680.772970][ T73] ipv6_add_addr+0x411/0x2000 [ 3680.772970][ T73] inet6_addr_add+0x30e/0xa40 [ 3680.772970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.772970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.772970][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.772970][ T73] netlink_unicast+0x449/0x710 [ 3680.772970][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.772970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.772970][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.772970][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.772970][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.772970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.772970][ T73] [ 3680.775200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3680.775200][ T73] netdev_get_by_index+0x5e/0x80 [ 3680.775200][ T73] fib6_nh_init+0x3d8/0x1580 [ 3680.775200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3680.775200][ T73] ip6_route_add+0x1c/0x140 [ 3680.775200][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3680.775200][ T73] addrconf_add_dev+0xe2/0x170 [ 3680.775200][ T73] inet6_addr_add+0x12f/0xa40 [ 3680.775200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3680.775200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.775200][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.775200][ T73] netlink_unicast+0x449/0x710 [ 3680.775200][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.775200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.775200][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.775200][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.775200][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.775200][ T73] [ 3680.777326][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3680.777326][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3680.777326][ T73] ipv6_find_idev+0x102/0x170 [ 3680.777326][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.777326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.777326][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.777326][ T73] netlink_unicast+0x449/0x710 [ 3680.777326][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.777326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.777326][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.777326][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.777326][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.777326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.777326][ T73] [ 3680.779092][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3680.779092][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3680.779092][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3680.779092][ T73] ipv6_find_idev+0x102/0x170 [ 3680.779092][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3680.779092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3680.779092][ T73] netlink_rcv_skb+0x130/0x360 [ 3680.779092][ T73] netlink_unicast+0x449/0x710 [ 3680.779092][ T73] netlink_sendmsg+0x723/0xbe0 [ 3680.779092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3680.779092][ T73] ___sys_sendmsg+0xee/0x170 [ 3680.779092][ T73] __sys_sendmsg+0xcd/0x170 [ 3680.779092][ T73] do_syscall_64+0xc6/0x1e0 [ 3680.779092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3680.779092][ T73] [ 3690.894910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3690.895369][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.895369][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3690.895369][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3690.895369][ T73] fib6_nh_init+0xa22/0x1580 [ 3690.895369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.895369][ T73] ip6_route_add+0x1c/0x140 [ 3690.895369][ T73] inet6_rtm_newroute+0x104/0x110 [ 3690.895369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.895369][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.895369][ T73] netlink_unicast+0x449/0x710 [ 3690.895369][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.895369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.895369][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.895369][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.895369][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.895369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.895369][ T73] [ 3690.897259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.897259][ T73] dst_init+0x84/0x4a0 [ 3690.897259][ T73] dst_alloc+0x97/0x150 [ 3690.897259][ T73] ip6_dst_alloc+0x23/0x90 [ 3690.897259][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3690.897259][ T73] ip6_pol_route+0x56f/0x840 [ 3690.897259][ T73] fib6_rule_lookup+0x456/0x630 [ 3690.897259][ T73] ip6_route_input+0x59c/0xa50 [ 3690.897259][ T73] ipv6_rcv+0x397/0x810 [ 3690.897259][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3690.897259][ T73] process_backlog+0x101/0x620 [ 3690.897259][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3690.897259][ T73] net_rx_action+0x495/0xbe0 [ 3690.897259][ T73] __do_softirq+0x1b5/0x7f6 [ 3690.897259][ T73] [ 3690.898885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.898885][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.898885][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.898885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.898885][ T73] ip6_route_add+0x1c/0x140 [ 3690.898885][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3690.898885][ T73] inet6_addr_add+0x4f8/0xa40 [ 3690.898885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.898885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.898885][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.898885][ T73] netlink_unicast+0x449/0x710 [ 3690.898885][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.898885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.898885][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.898885][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.898885][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.898885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.898885][ T73] [ 3690.900868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.900868][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.900868][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.900868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.900868][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3690.900868][ T73] ipv6_add_addr+0x411/0x2000 [ 3690.900868][ T73] inet6_addr_add+0x30e/0xa40 [ 3690.900868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.900868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.900868][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.900868][ T73] netlink_unicast+0x449/0x710 [ 3690.900868][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.900868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.900868][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.900868][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.900868][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.900868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.900868][ T73] [ 3690.902860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.902860][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.902860][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.902860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.902860][ T73] ip6_route_add+0x1c/0x140 [ 3690.902860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3690.902860][ T73] addrconf_add_dev+0xe2/0x170 [ 3690.902860][ T73] inet6_addr_add+0x12f/0xa40 [ 3690.902860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.902860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.902860][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.902860][ T73] netlink_unicast+0x449/0x710 [ 3690.902860][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.902860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.902860][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.902860][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.902860][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.902860][ T73] [ 3690.904823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.904823][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3690.904823][ T73] ipv6_find_idev+0x102/0x170 [ 3690.904823][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.904823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.904823][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.904823][ T73] netlink_unicast+0x449/0x710 [ 3690.904823][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.904823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.904823][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.904823][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.904823][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.904823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.904823][ T73] [ 3690.906353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3690.906353][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3690.906353][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3690.906353][ T73] ipv6_find_idev+0x102/0x170 [ 3690.906353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.906353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.906353][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.906353][ T73] netlink_unicast+0x449/0x710 [ 3690.906353][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.906353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.906353][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.906353][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.906353][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.906353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.906353][ T73] [ 3690.908031][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3690.908297][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.908297][ T73] dst_init+0x84/0x4a0 [ 3690.908297][ T73] dst_alloc+0x97/0x150 [ 3690.908297][ T73] ip6_dst_alloc+0x23/0x90 [ 3690.908297][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3690.908297][ T73] ip6_pol_route+0x56f/0x840 [ 3690.908297][ T73] fib6_rule_lookup+0x456/0x630 [ 3690.908297][ T73] ip6_route_input+0x59c/0xa50 [ 3690.908297][ T73] ipv6_rcv+0x397/0x810 [ 3690.908297][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3690.908297][ T73] process_backlog+0x101/0x620 [ 3690.908297][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3690.908297][ T73] net_rx_action+0x495/0xbe0 [ 3690.908297][ T73] __do_softirq+0x1b5/0x7f6 [ 3690.908297][ T73] [ 3690.909920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.909920][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.909920][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.909920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.909920][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3690.909920][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3690.909920][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3690.909920][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3690.909920][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3690.909920][ T73] addrconf_dad_begin+0x310/0x670 [ 3690.909920][ T73] addrconf_dad_work+0x10b/0xab0 [ 3690.909920][ T73] process_one_work+0x84d/0x18a0 [ 3690.909920][ T73] worker_thread+0x587/0xd30 [ 3690.909920][ T73] kthread+0x28a/0x350 [ 3690.909920][ T73] ret_from_fork+0x31/0x70 [ 3690.909920][ T73] ret_from_fork_asm+0x1a/0x30 [ 3690.909920][ T73] [ 3690.911814][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.911814][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.911814][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.911814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.911814][ T73] ip6_route_add+0x1c/0x140 [ 3690.911814][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3690.911814][ T73] inet6_addr_add+0x4f8/0xa40 [ 3690.911814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.911814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.911814][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.911814][ T73] netlink_unicast+0x449/0x710 [ 3690.911814][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.911814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.911814][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.911814][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.911814][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.911814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.911814][ T73] [ 3690.913798][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.913798][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.913798][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.913798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.913798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3690.913798][ T73] ipv6_add_addr+0x411/0x2000 [ 3690.913798][ T73] inet6_addr_add+0x30e/0xa40 [ 3690.913798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.913798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.913798][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.913798][ T73] netlink_unicast+0x449/0x710 [ 3690.913798][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.913798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.913798][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.913798][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.913798][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.913798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.913798][ T73] [ 3690.915783][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.915783][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.915783][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.915783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.915783][ T73] ip6_route_add+0x1c/0x140 [ 3690.915783][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3690.915783][ T73] addrconf_add_dev+0xe2/0x170 [ 3690.915783][ T73] inet6_addr_add+0x12f/0xa40 [ 3690.915783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.915783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.915783][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.915783][ T73] netlink_unicast+0x449/0x710 [ 3690.915783][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.915783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.915783][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.915783][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.915783][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.915783][ T73] [ 3690.917729][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.917729][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3690.917729][ T73] ipv6_find_idev+0x102/0x170 [ 3690.917729][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.917729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.917729][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.917729][ T73] netlink_unicast+0x449/0x710 [ 3690.917729][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.917729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.917729][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.917729][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.917729][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.917729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.917729][ T73] [ 3690.919253][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3690.919253][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3690.919253][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3690.919253][ T73] ipv6_find_idev+0x102/0x170 [ 3690.919253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.919253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.919253][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.919253][ T73] netlink_unicast+0x449/0x710 [ 3690.919253][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.919253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.919253][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.919253][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.919253][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.919253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.919253][ T73] [ 3690.921041][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3690.921311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.921311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3690.921311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3690.921311][ T73] fib6_nh_init+0xa22/0x1580 [ 3690.921311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.921311][ T73] ip6_route_add+0x1c/0x140 [ 3690.921311][ T73] inet6_rtm_newroute+0x104/0x110 [ 3690.921311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.921311][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.921311][ T73] netlink_unicast+0x449/0x710 [ 3690.921311][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.921311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.921311][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.921311][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.921311][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.921311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.921311][ T73] [ 3690.923419][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.923419][ T73] dst_init+0x84/0x4a0 [ 3690.923419][ T73] dst_alloc+0x97/0x150 [ 3690.923419][ T73] ip6_dst_alloc+0x23/0x90 [ 3690.923419][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3690.923419][ T73] ip6_pol_route+0x56f/0x840 [ 3690.923419][ T73] fib6_rule_lookup+0x456/0x630 [ 3690.923419][ T73] ip6_route_input+0x59c/0xa50 [ 3690.923419][ T73] ipv6_rcv+0x397/0x810 [ 3690.923419][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3690.923419][ T73] process_backlog+0x101/0x620 [ 3690.923419][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3690.923419][ T73] net_rx_action+0x495/0xbe0 [ 3690.923419][ T73] __do_softirq+0x1b5/0x7f6 [ 3690.923419][ T73] [ 3690.925215][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.925215][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.925215][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.925215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.925215][ T73] ip6_route_add+0x1c/0x140 [ 3690.925215][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3690.925215][ T73] inet6_addr_add+0x4f8/0xa40 [ 3690.925215][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.925215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.925215][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.925215][ T73] netlink_unicast+0x449/0x710 [ 3690.925215][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.925215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.925215][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.925215][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.925215][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.925215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.925215][ T73] [ 3690.927435][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.927435][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.927435][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.927435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.927435][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3690.927435][ T73] ipv6_add_addr+0x411/0x2000 [ 3690.927435][ T73] inet6_addr_add+0x30e/0xa40 [ 3690.927435][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.927435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.927435][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.927435][ T73] netlink_unicast+0x449/0x710 [ 3690.927435][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.927435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.927435][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.927435][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.927435][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.927435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.927435][ T73] [ 3690.929593][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.929593][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.929593][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.929593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.929593][ T73] ip6_route_add+0x1c/0x140 [ 3690.929593][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3690.929593][ T73] addrconf_add_dev+0xe2/0x170 [ 3690.929593][ T73] inet6_addr_add+0x12f/0xa40 [ 3690.929593][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.929593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.929593][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.929593][ T73] netlink_unicast+0x449/0x710 [ 3690.929593][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.929593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.929593][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.929593][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.929593][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.929593][ T73] [ 3690.931841][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.931841][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3690.931841][ T73] ipv6_find_idev+0x102/0x170 [ 3690.931841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.931841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.931841][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.931841][ T73] netlink_unicast+0x449/0x710 [ 3690.931841][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.931841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.931841][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.931841][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.931841][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.931841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.931841][ T73] [ 3690.933550][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3690.933550][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3690.933550][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3690.933550][ T73] ipv6_find_idev+0x102/0x170 [ 3690.933550][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.933550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.933550][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.933550][ T73] netlink_unicast+0x449/0x710 [ 3690.933550][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.933550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.933550][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.933550][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.933550][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.933550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.933550][ T73] [ 3690.935456][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3690.935725][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3690.935725][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.935725][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.935725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.935725][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3690.935725][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3690.935725][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3690.935725][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3690.935725][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3690.935725][ T73] addrconf_dad_begin+0x310/0x670 [ 3690.935725][ T73] addrconf_dad_work+0x10b/0xab0 [ 3690.935725][ T73] process_one_work+0x84d/0x18a0 [ 3690.935725][ T73] worker_thread+0x587/0xd30 [ 3690.935725][ T73] kthread+0x28a/0x350 [ 3690.935725][ T73] ret_from_fork+0x31/0x70 [ 3690.935725][ T73] ret_from_fork_asm+0x1a/0x30 [ 3690.935725][ T73] [ 3690.937862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3690.937862][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.937862][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.937862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.937862][ T73] ip6_route_add+0x1c/0x140 [ 3690.937862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3690.937862][ T73] inet6_addr_add+0x4f8/0xa40 [ 3690.937862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.937862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.937862][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.937862][ T73] netlink_unicast+0x449/0x710 [ 3690.937862][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.937862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.937862][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.937862][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.937862][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.937862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.937862][ T73] [ 3690.940086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3690.940086][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.940086][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.940086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.940086][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3690.940086][ T73] ipv6_add_addr+0x411/0x2000 [ 3690.940086][ T73] inet6_addr_add+0x30e/0xa40 [ 3690.940086][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.940086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.940086][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.940086][ T73] netlink_unicast+0x449/0x710 [ 3690.940086][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.940086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.940086][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.940086][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.940086][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.940086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.940086][ T73] [ 3690.942304][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3690.942304][ T73] netdev_get_by_index+0x5e/0x80 [ 3690.942304][ T73] fib6_nh_init+0x3d8/0x1580 [ 3690.942304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3690.942304][ T73] ip6_route_add+0x1c/0x140 [ 3690.942304][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3690.942304][ T73] addrconf_add_dev+0xe2/0x170 [ 3690.942304][ T73] inet6_addr_add+0x12f/0xa40 [ 3690.942304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3690.942304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.942304][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.942304][ T73] netlink_unicast+0x449/0x710 [ 3690.942304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.942304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.942304][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.942304][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.942304][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.942304][ T73] [ 3690.944501][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3690.944501][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3690.944501][ T73] ipv6_find_idev+0x102/0x170 [ 3690.944501][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.944501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.944501][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.944501][ T73] netlink_unicast+0x449/0x710 [ 3690.944501][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.944501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.944501][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.944501][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.944501][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.944501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.944501][ T73] [ 3690.946202][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3690.946202][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3690.946202][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3690.946202][ T73] ipv6_find_idev+0x102/0x170 [ 3690.946202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3690.946202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3690.946202][ T73] netlink_rcv_skb+0x130/0x360 [ 3690.946202][ T73] netlink_unicast+0x449/0x710 [ 3690.946202][ T73] netlink_sendmsg+0x723/0xbe0 [ 3690.946202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3690.946202][ T73] ___sys_sendmsg+0xee/0x170 [ 3690.946202][ T73] __sys_sendmsg+0xcd/0x170 [ 3690.946202][ T73] do_syscall_64+0xc6/0x1e0 [ 3690.946202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3690.946202][ T73] [ 3701.054815][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3701.055280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.055280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3701.055280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3701.055280][ T73] fib6_nh_init+0xa22/0x1580 [ 3701.055280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.055280][ T73] ip6_route_add+0x1c/0x140 [ 3701.055280][ T73] inet6_rtm_newroute+0x104/0x110 [ 3701.055280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.055280][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.055280][ T73] netlink_unicast+0x449/0x710 [ 3701.055280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.055280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.055280][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.055280][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.055280][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.055280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.055280][ T73] [ 3701.057195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.057195][ T73] dst_init+0x84/0x4a0 [ 3701.057195][ T73] dst_alloc+0x97/0x150 [ 3701.057195][ T73] ip6_dst_alloc+0x23/0x90 [ 3701.057195][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3701.057195][ T73] ip6_pol_route+0x56f/0x840 [ 3701.057195][ T73] fib6_rule_lookup+0x456/0x630 [ 3701.057195][ T73] ip6_route_input+0x59c/0xa50 [ 3701.057195][ T73] ipv6_rcv+0x397/0x810 [ 3701.057195][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3701.057195][ T73] process_backlog+0x101/0x620 [ 3701.057195][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3701.057195][ T73] net_rx_action+0x495/0xbe0 [ 3701.057195][ T73] __do_softirq+0x1b5/0x7f6 [ 3701.057195][ T73] [ 3701.058835][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.058835][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.058835][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.058835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.058835][ T73] ip6_route_add+0x1c/0x140 [ 3701.058835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3701.058835][ T73] inet6_addr_add+0x4f8/0xa40 [ 3701.058835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.058835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.058835][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.058835][ T73] netlink_unicast+0x449/0x710 [ 3701.058835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.058835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.058835][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.058835][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.058835][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.058835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.058835][ T73] [ 3701.060852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.060852][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.060852][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.060852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.060852][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3701.060852][ T73] ipv6_add_addr+0x411/0x2000 [ 3701.060852][ T73] inet6_addr_add+0x30e/0xa40 [ 3701.060852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.060852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.060852][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.060852][ T73] netlink_unicast+0x449/0x710 [ 3701.060852][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.060852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.060852][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.060852][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.060852][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.060852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.060852][ T73] [ 3701.062860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.062860][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.062860][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.062860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.062860][ T73] ip6_route_add+0x1c/0x140 [ 3701.062860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3701.062860][ T73] addrconf_add_dev+0xe2/0x170 [ 3701.062860][ T73] inet6_addr_add+0x12f/0xa40 [ 3701.062860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.062860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.062860][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.062860][ T73] netlink_unicast+0x449/0x710 [ 3701.062860][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.062860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.062860][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.062860][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.062860][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.062860][ T73] [ 3701.064849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.064849][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3701.064849][ T73] ipv6_find_idev+0x102/0x170 [ 3701.064849][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.064849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.064849][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.064849][ T73] netlink_unicast+0x449/0x710 [ 3701.064849][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.064849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.064849][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.064849][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.064849][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.064849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.064849][ T73] [ 3701.066406][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3701.066406][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3701.066406][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3701.066406][ T73] ipv6_find_idev+0x102/0x170 [ 3701.066406][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.066406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.066406][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.066406][ T73] netlink_unicast+0x449/0x710 [ 3701.066406][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.066406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.066406][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.066406][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.066406][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.066406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.066406][ T73] [ 3701.068104][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3701.068373][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.068373][ T73] dst_init+0x84/0x4a0 [ 3701.068373][ T73] dst_alloc+0x97/0x150 [ 3701.068373][ T73] ip6_dst_alloc+0x23/0x90 [ 3701.068373][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3701.068373][ T73] ip6_pol_route+0x56f/0x840 [ 3701.068373][ T73] fib6_rule_lookup+0x456/0x630 [ 3701.068373][ T73] ip6_route_input+0x59c/0xa50 [ 3701.068373][ T73] ipv6_rcv+0x397/0x810 [ 3701.068373][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3701.068373][ T73] process_backlog+0x101/0x620 [ 3701.068373][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3701.068373][ T73] net_rx_action+0x495/0xbe0 [ 3701.068373][ T73] __do_softirq+0x1b5/0x7f6 [ 3701.068373][ T73] [ 3701.070022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.070022][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.070022][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.070022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.070022][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3701.070022][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3701.070022][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3701.070022][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3701.070022][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3701.070022][ T73] addrconf_dad_begin+0x310/0x670 [ 3701.070022][ T73] addrconf_dad_work+0x10b/0xab0 [ 3701.070022][ T73] process_one_work+0x84d/0x18a0 [ 3701.070022][ T73] worker_thread+0x587/0xd30 [ 3701.070022][ T73] kthread+0x28a/0x350 [ 3701.070022][ T73] ret_from_fork+0x31/0x70 [ 3701.070022][ T73] ret_from_fork_asm+0x1a/0x30 [ 3701.070022][ T73] [ 3701.071937][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.071937][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.071937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.071937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.071937][ T73] ip6_route_add+0x1c/0x140 [ 3701.071937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3701.071937][ T73] inet6_addr_add+0x4f8/0xa40 [ 3701.071937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.071937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.071937][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.071937][ T73] netlink_unicast+0x449/0x710 [ 3701.071937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.071937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.071937][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.071937][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.071937][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.071937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.071937][ T73] [ 3701.073959][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.073959][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.073959][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.073959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.073959][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3701.073959][ T73] ipv6_add_addr+0x411/0x2000 [ 3701.073959][ T73] inet6_addr_add+0x30e/0xa40 [ 3701.073959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.073959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.073959][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.073959][ T73] netlink_unicast+0x449/0x710 [ 3701.073959][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.073959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.073959][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.073959][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.073959][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.073959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.073959][ T73] [ 3701.075953][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.075953][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.075953][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.075953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.075953][ T73] ip6_route_add+0x1c/0x140 [ 3701.075953][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3701.075953][ T73] addrconf_add_dev+0xe2/0x170 [ 3701.075953][ T73] inet6_addr_add+0x12f/0xa40 [ 3701.075953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.075953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.075953][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.075953][ T73] netlink_unicast+0x449/0x710 [ 3701.075953][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.075953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.075953][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.075953][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.075953][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.075953][ T73] [ 3701.077910][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.077910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3701.077910][ T73] ipv6_find_idev+0x102/0x170 [ 3701.077910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.077910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.077910][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.077910][ T73] netlink_unicast+0x449/0x710 [ 3701.077910][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.077910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.077910][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.077910][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.077910][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.077910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.077910][ T73] [ 3701.079452][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3701.079452][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3701.079452][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3701.079452][ T73] ipv6_find_idev+0x102/0x170 [ 3701.079452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.079452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.079452][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.079452][ T73] netlink_unicast+0x449/0x710 [ 3701.079452][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.079452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.079452][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.079452][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.079452][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.079452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.079452][ T73] [ 3701.081269][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3701.081535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.081535][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3701.081535][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3701.081535][ T73] fib6_nh_init+0xa22/0x1580 [ 3701.081535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.081535][ T73] ip6_route_add+0x1c/0x140 [ 3701.081535][ T73] inet6_rtm_newroute+0x104/0x110 [ 3701.081535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.081535][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.081535][ T73] netlink_unicast+0x449/0x710 [ 3701.081535][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.081535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.081535][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.081535][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.081535][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.081535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.081535][ T73] [ 3701.083726][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.083726][ T73] dst_init+0x84/0x4a0 [ 3701.083726][ T73] dst_alloc+0x97/0x150 [ 3701.083726][ T73] ip6_dst_alloc+0x23/0x90 [ 3701.083726][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3701.083726][ T73] ip6_pol_route+0x56f/0x840 [ 3701.083726][ T73] fib6_rule_lookup+0x456/0x630 [ 3701.083726][ T73] ip6_route_input+0x59c/0xa50 [ 3701.083726][ T73] ipv6_rcv+0x397/0x810 [ 3701.083726][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3701.083726][ T73] process_backlog+0x101/0x620 [ 3701.083726][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3701.083726][ T73] net_rx_action+0x495/0xbe0 [ 3701.083726][ T73] __do_softirq+0x1b5/0x7f6 [ 3701.083726][ T73] [ 3701.085548][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.085548][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.085548][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.085548][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.085548][ T73] ip6_route_add+0x1c/0x140 [ 3701.085548][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3701.085548][ T73] inet6_addr_add+0x4f8/0xa40 [ 3701.085548][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.085548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.085548][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.085548][ T73] netlink_unicast+0x449/0x710 [ 3701.085548][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.085548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.085548][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.085548][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.085548][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.085548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.085548][ T73] [ 3701.087788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.087788][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.087788][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.087788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.087788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3701.087788][ T73] ipv6_add_addr+0x411/0x2000 [ 3701.087788][ T73] inet6_addr_add+0x30e/0xa40 [ 3701.087788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.087788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.087788][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.087788][ T73] netlink_unicast+0x449/0x710 [ 3701.087788][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.087788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.087788][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.087788][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.087788][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.087788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.087788][ T73] [ 3701.090033][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.090033][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.090033][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.090033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.090033][ T73] ip6_route_add+0x1c/0x140 [ 3701.090033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3701.090033][ T73] addrconf_add_dev+0xe2/0x170 [ 3701.090033][ T73] inet6_addr_add+0x12f/0xa40 [ 3701.090033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.090033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.090033][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.090033][ T73] netlink_unicast+0x449/0x710 [ 3701.090033][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.090033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.090033][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.090033][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.090033][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.090033][ T73] [ 3701.092306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.092306][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3701.092306][ T73] ipv6_find_idev+0x102/0x170 [ 3701.092306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.092306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.092306][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.092306][ T73] netlink_unicast+0x449/0x710 [ 3701.092306][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.092306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.092306][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.092306][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.092306][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.092306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.092306][ T73] [ 3701.093976][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3701.093976][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3701.093976][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3701.093976][ T73] ipv6_find_idev+0x102/0x170 [ 3701.093976][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.093976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.093976][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.093976][ T73] netlink_unicast+0x449/0x710 [ 3701.093976][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.093976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.093976][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.093976][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.093976][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.093976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.093976][ T73] [ 3701.095910][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3701.096175][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3701.096175][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.096175][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.096175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.096175][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3701.096175][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3701.096175][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3701.096175][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3701.096175][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3701.096175][ T73] addrconf_dad_begin+0x310/0x670 [ 3701.096175][ T73] addrconf_dad_work+0x10b/0xab0 [ 3701.096175][ T73] process_one_work+0x84d/0x18a0 [ 3701.096175][ T73] worker_thread+0x587/0xd30 [ 3701.096175][ T73] kthread+0x28a/0x350 [ 3701.096175][ T73] ret_from_fork+0x31/0x70 [ 3701.096175][ T73] ret_from_fork_asm+0x1a/0x30 [ 3701.096175][ T73] [ 3701.098331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3701.098331][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.098331][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.098331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.098331][ T73] ip6_route_add+0x1c/0x140 [ 3701.098331][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3701.098331][ T73] inet6_addr_add+0x4f8/0xa40 [ 3701.098331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.098331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.098331][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.098331][ T73] netlink_unicast+0x449/0x710 [ 3701.098331][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.098331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.098331][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.098331][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.098331][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.098331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.098331][ T73] [ 3701.100577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3701.100577][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.100577][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.100577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.100577][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3701.100577][ T73] ipv6_add_addr+0x411/0x2000 [ 3701.100577][ T73] inet6_addr_add+0x30e/0xa40 [ 3701.100577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.100577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.100577][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.100577][ T73] netlink_unicast+0x449/0x710 [ 3701.100577][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.100577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.100577][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.100577][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.100577][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.100577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.100577][ T73] [ 3701.102814][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3701.102814][ T73] netdev_get_by_index+0x5e/0x80 [ 3701.102814][ T73] fib6_nh_init+0x3d8/0x1580 [ 3701.102814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3701.102814][ T73] ip6_route_add+0x1c/0x140 [ 3701.102814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3701.102814][ T73] addrconf_add_dev+0xe2/0x170 [ 3701.102814][ T73] inet6_addr_add+0x12f/0xa40 [ 3701.102814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.102814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.102814][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.102814][ T73] netlink_unicast+0x449/0x710 [ 3701.102814][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.102814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.102814][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.102814][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.102814][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.102814][ T73] [ 3701.105042][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3701.105042][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3701.105042][ T73] ipv6_find_idev+0x102/0x170 [ 3701.105042][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.105042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.105042][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.105042][ T73] netlink_unicast+0x449/0x710 [ 3701.105042][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.105042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.105042][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.105042][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.105042][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.105042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.105042][ T73] [ 3701.106753][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3701.106753][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3701.106753][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3701.106753][ T73] ipv6_find_idev+0x102/0x170 [ 3701.106753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.106753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.106753][ T73] netlink_rcv_skb+0x130/0x360 [ 3701.106753][ T73] netlink_unicast+0x449/0x710 [ 3701.106753][ T73] netlink_sendmsg+0x723/0xbe0 [ 3701.106753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3701.106753][ T73] ___sys_sendmsg+0xee/0x170 [ 3701.106753][ T73] __sys_sendmsg+0xcd/0x170 [ 3701.106753][ T73] do_syscall_64+0xc6/0x1e0 [ 3701.106753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.106753][ T73] [ 3711.110895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3711.111290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.111290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3711.111290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3711.111290][ T73] fib6_nh_init+0xa22/0x1580 [ 3711.111290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.111290][ T73] ip6_route_add+0x1c/0x140 [ 3711.111290][ T73] inet6_rtm_newroute+0x104/0x110 [ 3711.111290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.111290][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.111290][ T73] netlink_unicast+0x449/0x710 [ 3711.111290][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.111290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.111290][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.111290][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.111290][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.111290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.111290][ T73] [ 3711.113165][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.113165][ T73] dst_init+0x84/0x4a0 [ 3711.113165][ T73] dst_alloc+0x97/0x150 [ 3711.113165][ T73] ip6_dst_alloc+0x23/0x90 [ 3711.113165][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3711.113165][ T73] ip6_pol_route+0x56f/0x840 [ 3711.113165][ T73] fib6_rule_lookup+0x456/0x630 [ 3711.113165][ T73] ip6_route_input+0x59c/0xa50 [ 3711.113165][ T73] ipv6_rcv+0x397/0x810 [ 3711.113165][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3711.113165][ T73] process_backlog+0x101/0x620 [ 3711.113165][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3711.113165][ T73] net_rx_action+0x495/0xbe0 [ 3711.113165][ T73] __do_softirq+0x1b5/0x7f6 [ 3711.113165][ T73] [ 3711.114808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.114808][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.114808][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.114808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.114808][ T73] ip6_route_add+0x1c/0x140 [ 3711.114808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3711.114808][ T73] inet6_addr_add+0x4f8/0xa40 [ 3711.114808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.114808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.114808][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.114808][ T73] netlink_unicast+0x449/0x710 [ 3711.114808][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.114808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.114808][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.114808][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.114808][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.114808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.114808][ T73] [ 3711.116788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.116788][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.116788][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.116788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.116788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3711.116788][ T73] ipv6_add_addr+0x411/0x2000 [ 3711.116788][ T73] inet6_addr_add+0x30e/0xa40 [ 3711.116788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.116788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.116788][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.116788][ T73] netlink_unicast+0x449/0x710 [ 3711.116788][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.116788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.116788][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.116788][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.116788][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.116788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.116788][ T73] [ 3711.118768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.118768][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.118768][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.118768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.118768][ T73] ip6_route_add+0x1c/0x140 [ 3711.118768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3711.118768][ T73] addrconf_add_dev+0xe2/0x170 [ 3711.118768][ T73] inet6_addr_add+0x12f/0xa40 [ 3711.118768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.118768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.118768][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.118768][ T73] netlink_unicast+0x449/0x710 [ 3711.118768][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.118768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.118768][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.118768][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.118768][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.118768][ T73] [ 3711.120721][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.120721][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3711.120721][ T73] ipv6_find_idev+0x102/0x170 [ 3711.120721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.120721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.120721][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.120721][ T73] netlink_unicast+0x449/0x710 [ 3711.120721][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.120721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.120721][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.120721][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.120721][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.120721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.120721][ T73] [ 3711.122255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3711.122255][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3711.122255][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3711.122255][ T73] ipv6_find_idev+0x102/0x170 [ 3711.122255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.122255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.122255][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.122255][ T73] netlink_unicast+0x449/0x710 [ 3711.122255][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.122255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.122255][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.122255][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.122255][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.122255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.122255][ T73] [ 3711.123937][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3711.124206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.124206][ T73] dst_init+0x84/0x4a0 [ 3711.124206][ T73] dst_alloc+0x97/0x150 [ 3711.124206][ T73] ip6_dst_alloc+0x23/0x90 [ 3711.124206][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3711.124206][ T73] ip6_pol_route+0x56f/0x840 [ 3711.124206][ T73] fib6_rule_lookup+0x456/0x630 [ 3711.124206][ T73] ip6_route_input+0x59c/0xa50 [ 3711.124206][ T73] ipv6_rcv+0x397/0x810 [ 3711.124206][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3711.124206][ T73] process_backlog+0x101/0x620 [ 3711.124206][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3711.124206][ T73] net_rx_action+0x495/0xbe0 [ 3711.124206][ T73] __do_softirq+0x1b5/0x7f6 [ 3711.124206][ T73] [ 3711.125850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.125850][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.125850][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.125850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.125850][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3711.125850][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3711.125850][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3711.125850][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3711.125850][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3711.125850][ T73] addrconf_dad_begin+0x310/0x670 [ 3711.125850][ T73] addrconf_dad_work+0x10b/0xab0 [ 3711.125850][ T73] process_one_work+0x84d/0x18a0 [ 3711.125850][ T73] worker_thread+0x587/0xd30 [ 3711.125850][ T73] kthread+0x28a/0x350 [ 3711.125850][ T73] ret_from_fork+0x31/0x70 [ 3711.125850][ T73] ret_from_fork_asm+0x1a/0x30 [ 3711.125850][ T73] [ 3711.127742][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.127742][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.127742][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.127742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.127742][ T73] ip6_route_add+0x1c/0x140 [ 3711.127742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3711.127742][ T73] inet6_addr_add+0x4f8/0xa40 [ 3711.127742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.127742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.127742][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.127742][ T73] netlink_unicast+0x449/0x710 [ 3711.127742][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.127742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.127742][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.127742][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.127742][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.127742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.127742][ T73] [ 3711.129728][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.129728][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.129728][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.129728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.129728][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3711.129728][ T73] ipv6_add_addr+0x411/0x2000 [ 3711.129728][ T73] inet6_addr_add+0x30e/0xa40 [ 3711.129728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.129728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.129728][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.129728][ T73] netlink_unicast+0x449/0x710 [ 3711.129728][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.129728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.129728][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.129728][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.129728][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.129728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.129728][ T73] [ 3711.131716][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.131716][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.131716][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.131716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.131716][ T73] ip6_route_add+0x1c/0x140 [ 3711.131716][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3711.131716][ T73] addrconf_add_dev+0xe2/0x170 [ 3711.131716][ T73] inet6_addr_add+0x12f/0xa40 [ 3711.131716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.131716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.131716][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.131716][ T73] netlink_unicast+0x449/0x710 [ 3711.131716][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.131716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.131716][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.131716][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.131716][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.131716][ T73] [ 3711.133716][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.133716][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3711.133716][ T73] ipv6_find_idev+0x102/0x170 [ 3711.133716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.133716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.133716][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.133716][ T73] netlink_unicast+0x449/0x710 [ 3711.133716][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.133716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.133716][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.133716][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.133716][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.133716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.133716][ T73] [ 3711.135249][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3711.135249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3711.135249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3711.135249][ T73] ipv6_find_idev+0x102/0x170 [ 3711.135249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.135249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.135249][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.135249][ T73] netlink_unicast+0x449/0x710 [ 3711.135249][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.135249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.135249][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.135249][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.135249][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.135249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.135249][ T73] [ 3711.137045][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3711.137311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.137311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3711.137311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3711.137311][ T73] fib6_nh_init+0xa22/0x1580 [ 3711.137311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.137311][ T73] ip6_route_add+0x1c/0x140 [ 3711.137311][ T73] inet6_rtm_newroute+0x104/0x110 [ 3711.137311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.137311][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.137311][ T73] netlink_unicast+0x449/0x710 [ 3711.137311][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.137311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.137311][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.137311][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.137311][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.137311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.137311][ T73] [ 3711.139421][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.139421][ T73] dst_init+0x84/0x4a0 [ 3711.139421][ T73] dst_alloc+0x97/0x150 [ 3711.139421][ T73] ip6_dst_alloc+0x23/0x90 [ 3711.139421][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3711.139421][ T73] ip6_pol_route+0x56f/0x840 [ 3711.139421][ T73] fib6_rule_lookup+0x456/0x630 [ 3711.139421][ T73] ip6_route_input+0x59c/0xa50 [ 3711.139421][ T73] ipv6_rcv+0x397/0x810 [ 3711.139421][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3711.139421][ T73] process_backlog+0x101/0x620 [ 3711.139421][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3711.139421][ T73] net_rx_action+0x495/0xbe0 [ 3711.139421][ T73] __do_softirq+0x1b5/0x7f6 [ 3711.139421][ T73] [ 3711.141232][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.141232][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.141232][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.141232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.141232][ T73] ip6_route_add+0x1c/0x140 [ 3711.141232][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3711.141232][ T73] inet6_addr_add+0x4f8/0xa40 [ 3711.141232][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.141232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.141232][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.141232][ T73] netlink_unicast+0x449/0x710 [ 3711.141232][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.141232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.141232][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.141232][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.141232][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.141232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.141232][ T73] [ 3711.143527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.143527][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.143527][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.143527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.143527][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3711.143527][ T73] ipv6_add_addr+0x411/0x2000 [ 3711.143527][ T73] inet6_addr_add+0x30e/0xa40 [ 3711.143527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.143527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.143527][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.143527][ T73] netlink_unicast+0x449/0x710 [ 3711.143527][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.143527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.143527][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.143527][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.143527][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.143527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.143527][ T73] [ 3711.145749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.145749][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.145749][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.145749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.145749][ T73] ip6_route_add+0x1c/0x140 [ 3711.145749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3711.145749][ T73] addrconf_add_dev+0xe2/0x170 [ 3711.145749][ T73] inet6_addr_add+0x12f/0xa40 [ 3711.145749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.145749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.145749][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.145749][ T73] netlink_unicast+0x449/0x710 [ 3711.145749][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.145749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.145749][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.145749][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.145749][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.145749][ T73] [ 3711.147943][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.147943][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3711.147943][ T73] ipv6_find_idev+0x102/0x170 [ 3711.147943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.147943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.147943][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.147943][ T73] netlink_unicast+0x449/0x710 [ 3711.147943][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.147943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.147943][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.147943][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.147943][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.147943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.147943][ T73] [ 3711.149652][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3711.149652][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3711.149652][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3711.149652][ T73] ipv6_find_idev+0x102/0x170 [ 3711.149652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.149652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.149652][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.149652][ T73] netlink_unicast+0x449/0x710 [ 3711.149652][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.149652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.149652][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.149652][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.149652][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.149652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.149652][ T73] [ 3711.151502][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3711.151769][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3711.151769][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.151769][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.151769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.151769][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3711.151769][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3711.151769][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3711.151769][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3711.151769][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3711.151769][ T73] addrconf_dad_begin+0x310/0x670 [ 3711.151769][ T73] addrconf_dad_work+0x10b/0xab0 [ 3711.151769][ T73] process_one_work+0x84d/0x18a0 [ 3711.151769][ T73] worker_thread+0x587/0xd30 [ 3711.151769][ T73] kthread+0x28a/0x350 [ 3711.151769][ T73] ret_from_fork+0x31/0x70 [ 3711.151769][ T73] ret_from_fork_asm+0x1a/0x30 [ 3711.151769][ T73] [ 3711.153915][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3711.153915][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.153915][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.153915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.153915][ T73] ip6_route_add+0x1c/0x140 [ 3711.153915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3711.153915][ T73] inet6_addr_add+0x4f8/0xa40 [ 3711.153915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.153915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.153915][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.153915][ T73] netlink_unicast+0x449/0x710 [ 3711.153915][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.153915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.153915][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.153915][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.153915][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.153915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.153915][ T73] [ 3711.156077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3711.156077][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.156077][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.156077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.156077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3711.156077][ T73] ipv6_add_addr+0x411/0x2000 [ 3711.156077][ T73] inet6_addr_add+0x30e/0xa40 [ 3711.156077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.156077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.156077][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.156077][ T73] netlink_unicast+0x449/0x710 [ 3711.156077][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.156077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.156077][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.156077][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.156077][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.156077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.156077][ T73] [ 3711.158301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3711.158301][ T73] netdev_get_by_index+0x5e/0x80 [ 3711.158301][ T73] fib6_nh_init+0x3d8/0x1580 [ 3711.158301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3711.158301][ T73] ip6_route_add+0x1c/0x140 [ 3711.158301][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3711.158301][ T73] addrconf_add_dev+0xe2/0x170 [ 3711.158301][ T73] inet6_addr_add+0x12f/0xa40 [ 3711.158301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3711.158301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.158301][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.158301][ T73] netlink_unicast+0x449/0x710 [ 3711.158301][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.158301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.158301][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.158301][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.158301][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.158301][ T73] [ 3711.160370][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3711.160370][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3711.160370][ T73] ipv6_find_idev+0x102/0x170 [ 3711.160370][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.160370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.160370][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.160370][ T73] netlink_unicast+0x449/0x710 [ 3711.160370][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.160370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.160370][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.160370][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.160370][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.160370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.160370][ T73] [ 3711.162137][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3711.162137][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3711.162137][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3711.162137][ T73] ipv6_find_idev+0x102/0x170 [ 3711.162137][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3711.162137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3711.162137][ T73] netlink_rcv_skb+0x130/0x360 [ 3711.162137][ T73] netlink_unicast+0x449/0x710 [ 3711.162137][ T73] netlink_sendmsg+0x723/0xbe0 [ 3711.162137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3711.162137][ T73] ___sys_sendmsg+0xee/0x170 [ 3711.162137][ T73] __sys_sendmsg+0xcd/0x170 [ 3711.162137][ T73] do_syscall_64+0xc6/0x1e0 [ 3711.162137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3711.162137][ T73] [ 3721.406885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3721.407274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.407274][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3721.407274][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3721.407274][ T73] fib6_nh_init+0xa22/0x1580 [ 3721.407274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.407274][ T73] ip6_route_add+0x1c/0x140 [ 3721.407274][ T73] inet6_rtm_newroute+0x104/0x110 [ 3721.407274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.407274][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.407274][ T73] netlink_unicast+0x449/0x710 [ 3721.407274][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.407274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.407274][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.407274][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.407274][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.407274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.407274][ T73] [ 3721.409284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.409284][ T73] dst_init+0x84/0x4a0 [ 3721.409284][ T73] dst_alloc+0x97/0x150 [ 3721.409284][ T73] ip6_dst_alloc+0x23/0x90 [ 3721.409284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3721.409284][ T73] ip6_pol_route+0x56f/0x840 [ 3721.409284][ T73] fib6_rule_lookup+0x456/0x630 [ 3721.409284][ T73] ip6_route_input+0x59c/0xa50 [ 3721.409284][ T73] ipv6_rcv+0x397/0x810 [ 3721.409284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3721.409284][ T73] process_backlog+0x101/0x620 [ 3721.409284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3721.409284][ T73] net_rx_action+0x495/0xbe0 [ 3721.409284][ T73] __do_softirq+0x1b5/0x7f6 [ 3721.409284][ T73] [ 3721.410944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.410944][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.410944][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.410944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.410944][ T73] ip6_route_add+0x1c/0x140 [ 3721.410944][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3721.410944][ T73] inet6_addr_add+0x4f8/0xa40 [ 3721.410944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.410944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.410944][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.410944][ T73] netlink_unicast+0x449/0x710 [ 3721.410944][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.410944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.410944][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.410944][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.410944][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.410944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.410944][ T73] [ 3721.413014][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.413014][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.413014][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.413014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.413014][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3721.413014][ T73] ipv6_add_addr+0x411/0x2000 [ 3721.413014][ T73] inet6_addr_add+0x30e/0xa40 [ 3721.413014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.413014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.413014][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.413014][ T73] netlink_unicast+0x449/0x710 [ 3721.413014][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.413014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.413014][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.413014][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.413014][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.413014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.413014][ T73] [ 3721.415038][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.415038][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.415038][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.415038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.415038][ T73] ip6_route_add+0x1c/0x140 [ 3721.415038][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3721.415038][ T73] addrconf_add_dev+0xe2/0x170 [ 3721.415038][ T73] inet6_addr_add+0x12f/0xa40 [ 3721.415038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.415038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.415038][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.415038][ T73] netlink_unicast+0x449/0x710 [ 3721.415038][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.415038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.415038][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.415038][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.415038][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.415038][ T73] [ 3721.417021][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.417021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3721.417021][ T73] ipv6_find_idev+0x102/0x170 [ 3721.417021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.417021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.417021][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.417021][ T73] netlink_unicast+0x449/0x710 [ 3721.417021][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.417021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.417021][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.417021][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.417021][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.417021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.417021][ T73] [ 3721.418569][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3721.418569][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3721.418569][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3721.418569][ T73] ipv6_find_idev+0x102/0x170 [ 3721.418569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.418569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.418569][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.418569][ T73] netlink_unicast+0x449/0x710 [ 3721.418569][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.418569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.418569][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.418569][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.418569][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.418569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.418569][ T73] [ 3721.420256][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3721.420525][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.420525][ T73] dst_init+0x84/0x4a0 [ 3721.420525][ T73] dst_alloc+0x97/0x150 [ 3721.420525][ T73] ip6_dst_alloc+0x23/0x90 [ 3721.420525][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3721.420525][ T73] ip6_pol_route+0x56f/0x840 [ 3721.420525][ T73] fib6_rule_lookup+0x456/0x630 [ 3721.420525][ T73] ip6_route_input+0x59c/0xa50 [ 3721.420525][ T73] ipv6_rcv+0x397/0x810 [ 3721.420525][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3721.420525][ T73] process_backlog+0x101/0x620 [ 3721.420525][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3721.420525][ T73] net_rx_action+0x495/0xbe0 [ 3721.420525][ T73] __do_softirq+0x1b5/0x7f6 [ 3721.420525][ T73] [ 3721.422155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.422155][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.422155][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.422155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.422155][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3721.422155][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3721.422155][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3721.422155][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3721.422155][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3721.422155][ T73] addrconf_dad_begin+0x310/0x670 [ 3721.422155][ T73] addrconf_dad_work+0x10b/0xab0 [ 3721.422155][ T73] process_one_work+0x84d/0x18a0 [ 3721.422155][ T73] worker_thread+0x587/0xd30 [ 3721.422155][ T73] kthread+0x28a/0x350 [ 3721.422155][ T73] ret_from_fork+0x31/0x70 [ 3721.422155][ T73] ret_from_fork_asm+0x1a/0x30 [ 3721.422155][ T73] [ 3721.424112][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.424112][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.424112][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.424112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.424112][ T73] ip6_route_add+0x1c/0x140 [ 3721.424112][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3721.424112][ T73] inet6_addr_add+0x4f8/0xa40 [ 3721.424112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.424112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.424112][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.424112][ T73] netlink_unicast+0x449/0x710 [ 3721.424112][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.424112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.424112][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.424112][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.424112][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.424112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.424112][ T73] [ 3721.426656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.426656][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.426656][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.426656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.426656][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3721.426656][ T73] ipv6_add_addr+0x411/0x2000 [ 3721.426656][ T73] inet6_addr_add+0x30e/0xa40 [ 3721.426656][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.426656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.426656][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.426656][ T73] netlink_unicast+0x449/0x710 [ 3721.426656][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.426656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.426656][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.426656][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.426656][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.426656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.426656][ T73] [ 3721.428675][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.428675][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.428675][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.428675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.428675][ T73] ip6_route_add+0x1c/0x140 [ 3721.428675][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3721.428675][ T73] addrconf_add_dev+0xe2/0x170 [ 3721.428675][ T73] inet6_addr_add+0x12f/0xa40 [ 3721.428675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.428675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.428675][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.428675][ T73] netlink_unicast+0x449/0x710 [ 3721.428675][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.428675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.428675][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.428675][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.428675][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.428675][ T73] [ 3721.430654][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.430654][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3721.430654][ T73] ipv6_find_idev+0x102/0x170 [ 3721.430654][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.430654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.430654][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.430654][ T73] netlink_unicast+0x449/0x710 [ 3721.430654][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.430654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.430654][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.430654][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.430654][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.430654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.430654][ T73] [ 3721.432202][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3721.432202][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3721.432202][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3721.432202][ T73] ipv6_find_idev+0x102/0x170 [ 3721.432202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.432202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.432202][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.432202][ T73] netlink_unicast+0x449/0x710 [ 3721.432202][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.432202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.432202][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.432202][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.432202][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.432202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.432202][ T73] [ 3721.434019][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3721.434296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.434296][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3721.434296][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3721.434296][ T73] fib6_nh_init+0xa22/0x1580 [ 3721.434296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.434296][ T73] ip6_route_add+0x1c/0x140 [ 3721.434296][ T73] inet6_rtm_newroute+0x104/0x110 [ 3721.434296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.434296][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.434296][ T73] netlink_unicast+0x449/0x710 [ 3721.434296][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.434296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.434296][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.434296][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.434296][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.434296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.434296][ T73] [ 3721.436428][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.436428][ T73] dst_init+0x84/0x4a0 [ 3721.436428][ T73] dst_alloc+0x97/0x150 [ 3721.436428][ T73] ip6_dst_alloc+0x23/0x90 [ 3721.436428][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3721.436428][ T73] ip6_pol_route+0x56f/0x840 [ 3721.436428][ T73] fib6_rule_lookup+0x456/0x630 [ 3721.436428][ T73] ip6_route_input+0x59c/0xa50 [ 3721.436428][ T73] ipv6_rcv+0x397/0x810 [ 3721.436428][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3721.436428][ T73] process_backlog+0x101/0x620 [ 3721.436428][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3721.436428][ T73] net_rx_action+0x495/0xbe0 [ 3721.436428][ T73] __do_softirq+0x1b5/0x7f6 [ 3721.436428][ T73] [ 3721.438317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.438317][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.438317][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.438317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.438317][ T73] ip6_route_add+0x1c/0x140 [ 3721.438317][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3721.438317][ T73] inet6_addr_add+0x4f8/0xa40 [ 3721.438317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.438317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.438317][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.438317][ T73] netlink_unicast+0x449/0x710 [ 3721.438317][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.438317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.438317][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.438317][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.438317][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.438317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.438317][ T73] [ 3721.440553][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.440553][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.440553][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.440553][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.440553][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3721.440553][ T73] ipv6_add_addr+0x411/0x2000 [ 3721.440553][ T73] inet6_addr_add+0x30e/0xa40 [ 3721.440553][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.440553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.440553][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.440553][ T73] netlink_unicast+0x449/0x710 [ 3721.440553][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.440553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.440553][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.440553][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.440553][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.440553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.440553][ T73] [ 3721.442792][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.442792][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.442792][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.442792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.442792][ T73] ip6_route_add+0x1c/0x140 [ 3721.442792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3721.442792][ T73] addrconf_add_dev+0xe2/0x170 [ 3721.442792][ T73] inet6_addr_add+0x12f/0xa40 [ 3721.442792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.442792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.442792][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.442792][ T73] netlink_unicast+0x449/0x710 [ 3721.442792][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.442792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.442792][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.442792][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.442792][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.442792][ T73] [ 3721.445400][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.445400][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3721.445400][ T73] ipv6_find_idev+0x102/0x170 [ 3721.445400][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.445400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.445400][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.445400][ T73] netlink_unicast+0x449/0x710 [ 3721.445400][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.445400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.445400][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.445400][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.445400][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.445400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.445400][ T73] [ 3721.447111][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3721.447111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3721.447111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3721.447111][ T73] ipv6_find_idev+0x102/0x170 [ 3721.447111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.447111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.447111][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.447111][ T73] netlink_unicast+0x449/0x710 [ 3721.447111][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.447111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.447111][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.447111][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.447111][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.447111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.447111][ T73] [ 3721.448962][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3721.449233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3721.449233][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.449233][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.449233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.449233][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3721.449233][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3721.449233][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3721.449233][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3721.449233][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3721.449233][ T73] addrconf_dad_begin+0x310/0x670 [ 3721.449233][ T73] addrconf_dad_work+0x10b/0xab0 [ 3721.449233][ T73] process_one_work+0x84d/0x18a0 [ 3721.449233][ T73] worker_thread+0x587/0xd30 [ 3721.449233][ T73] kthread+0x28a/0x350 [ 3721.449233][ T73] ret_from_fork+0x31/0x70 [ 3721.449233][ T73] ret_from_fork_asm+0x1a/0x30 [ 3721.449233][ T73] [ 3721.451373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3721.451373][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.451373][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.451373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.451373][ T73] ip6_route_add+0x1c/0x140 [ 3721.451373][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3721.451373][ T73] inet6_addr_add+0x4f8/0xa40 [ 3721.451373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.451373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.451373][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.451373][ T73] netlink_unicast+0x449/0x710 [ 3721.451373][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.451373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.451373][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.451373][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.451373][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.451373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.451373][ T73] [ 3721.453683][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3721.453683][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.453683][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.453683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.453683][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3721.453683][ T73] ipv6_add_addr+0x411/0x2000 [ 3721.453683][ T73] inet6_addr_add+0x30e/0xa40 [ 3721.453683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.453683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.453683][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.453683][ T73] netlink_unicast+0x449/0x710 [ 3721.453683][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.453683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.453683][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.453683][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.453683][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.453683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.453683][ T73] [ 3721.455922][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3721.455922][ T73] netdev_get_by_index+0x5e/0x80 [ 3721.455922][ T73] fib6_nh_init+0x3d8/0x1580 [ 3721.455922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3721.455922][ T73] ip6_route_add+0x1c/0x140 [ 3721.455922][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3721.455922][ T73] addrconf_add_dev+0xe2/0x170 [ 3721.455922][ T73] inet6_addr_add+0x12f/0xa40 [ 3721.455922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3721.455922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.455922][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.455922][ T73] netlink_unicast+0x449/0x710 [ 3721.455922][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.455922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.455922][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.455922][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.455922][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.455922][ T73] [ 3721.458004][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3721.458004][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3721.458004][ T73] ipv6_find_idev+0x102/0x170 [ 3721.458004][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.458004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.458004][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.458004][ T73] netlink_unicast+0x449/0x710 [ 3721.458004][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.458004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.458004][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.458004][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.458004][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.458004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.458004][ T73] [ 3721.459734][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3721.459734][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3721.459734][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3721.459734][ T73] ipv6_find_idev+0x102/0x170 [ 3721.459734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3721.459734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3721.459734][ T73] netlink_rcv_skb+0x130/0x360 [ 3721.459734][ T73] netlink_unicast+0x449/0x710 [ 3721.459734][ T73] netlink_sendmsg+0x723/0xbe0 [ 3721.459734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3721.459734][ T73] ___sys_sendmsg+0xee/0x170 [ 3721.459734][ T73] __sys_sendmsg+0xcd/0x170 [ 3721.459734][ T73] do_syscall_64+0xc6/0x1e0 [ 3721.459734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3721.459734][ T73] [ 3731.702874][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3731.703265][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.703265][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3731.703265][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3731.703265][ T73] fib6_nh_init+0xa22/0x1580 [ 3731.703265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.703265][ T73] ip6_route_add+0x1c/0x140 [ 3731.703265][ T73] inet6_rtm_newroute+0x104/0x110 [ 3731.703265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.703265][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.703265][ T73] netlink_unicast+0x449/0x710 [ 3731.703265][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.703265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.703265][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.703265][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.703265][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.703265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.703265][ T73] [ 3731.705155][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.705155][ T73] dst_init+0x84/0x4a0 [ 3731.705155][ T73] dst_alloc+0x97/0x150 [ 3731.705155][ T73] ip6_dst_alloc+0x23/0x90 [ 3731.705155][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3731.705155][ T73] ip6_pol_route+0x56f/0x840 [ 3731.705155][ T73] fib6_rule_lookup+0x456/0x630 [ 3731.705155][ T73] ip6_route_input+0x59c/0xa50 [ 3731.705155][ T73] ipv6_rcv+0x397/0x810 [ 3731.705155][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3731.705155][ T73] process_backlog+0x101/0x620 [ 3731.705155][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3731.705155][ T73] net_rx_action+0x495/0xbe0 [ 3731.705155][ T73] __do_softirq+0x1b5/0x7f6 [ 3731.705155][ T73] [ 3731.706792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.706792][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.706792][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.706792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.706792][ T73] ip6_route_add+0x1c/0x140 [ 3731.706792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3731.706792][ T73] inet6_addr_add+0x4f8/0xa40 [ 3731.706792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.706792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.706792][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.706792][ T73] netlink_unicast+0x449/0x710 [ 3731.706792][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.706792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.706792][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.706792][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.706792][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.706792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.706792][ T73] [ 3731.708795][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.708795][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.708795][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.708795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.708795][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3731.708795][ T73] ipv6_add_addr+0x411/0x2000 [ 3731.708795][ T73] inet6_addr_add+0x30e/0xa40 [ 3731.708795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.708795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.708795][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.708795][ T73] netlink_unicast+0x449/0x710 [ 3731.708795][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.708795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.708795][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.708795][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.708795][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.708795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.708795][ T73] [ 3731.710786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.710786][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.710786][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.710786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.710786][ T73] ip6_route_add+0x1c/0x140 [ 3731.710786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3731.710786][ T73] addrconf_add_dev+0xe2/0x170 [ 3731.710786][ T73] inet6_addr_add+0x12f/0xa40 [ 3731.710786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.710786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.710786][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.710786][ T73] netlink_unicast+0x449/0x710 [ 3731.710786][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.710786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.710786][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.710786][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.710786][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.710786][ T73] [ 3731.713160][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.713160][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3731.713160][ T73] ipv6_find_idev+0x102/0x170 [ 3731.713160][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.713160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.713160][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.713160][ T73] netlink_unicast+0x449/0x710 [ 3731.713160][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.713160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.713160][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.713160][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.713160][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.713160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.713160][ T73] [ 3731.714700][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3731.714700][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3731.714700][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3731.714700][ T73] ipv6_find_idev+0x102/0x170 [ 3731.714700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.714700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.714700][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.714700][ T73] netlink_unicast+0x449/0x710 [ 3731.714700][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.714700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.714700][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.714700][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.714700][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.714700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.714700][ T73] [ 3731.716376][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3731.716643][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.716643][ T73] dst_init+0x84/0x4a0 [ 3731.716643][ T73] dst_alloc+0x97/0x150 [ 3731.716643][ T73] ip6_dst_alloc+0x23/0x90 [ 3731.716643][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3731.716643][ T73] ip6_pol_route+0x56f/0x840 [ 3731.716643][ T73] fib6_rule_lookup+0x456/0x630 [ 3731.716643][ T73] ip6_route_input+0x59c/0xa50 [ 3731.716643][ T73] ipv6_rcv+0x397/0x810 [ 3731.716643][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3731.716643][ T73] process_backlog+0x101/0x620 [ 3731.716643][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3731.716643][ T73] net_rx_action+0x495/0xbe0 [ 3731.716643][ T73] __do_softirq+0x1b5/0x7f6 [ 3731.716643][ T73] [ 3731.718276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.718276][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.718276][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.718276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.718276][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3731.718276][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3731.718276][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3731.718276][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3731.718276][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3731.718276][ T73] addrconf_dad_begin+0x310/0x670 [ 3731.718276][ T73] addrconf_dad_work+0x10b/0xab0 [ 3731.718276][ T73] process_one_work+0x84d/0x18a0 [ 3731.718276][ T73] worker_thread+0x587/0xd30 [ 3731.718276][ T73] kthread+0x28a/0x350 [ 3731.718276][ T73] ret_from_fork+0x31/0x70 [ 3731.718276][ T73] ret_from_fork_asm+0x1a/0x30 [ 3731.718276][ T73] [ 3731.720173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.720173][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.720173][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.720173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.720173][ T73] ip6_route_add+0x1c/0x140 [ 3731.720173][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3731.720173][ T73] inet6_addr_add+0x4f8/0xa40 [ 3731.720173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.720173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.720173][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.720173][ T73] netlink_unicast+0x449/0x710 [ 3731.720173][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.720173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.720173][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.720173][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.720173][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.720173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.720173][ T73] [ 3731.722178][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.722178][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.722178][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.722178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.722178][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3731.722178][ T73] ipv6_add_addr+0x411/0x2000 [ 3731.722178][ T73] inet6_addr_add+0x30e/0xa40 [ 3731.722178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.722178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.722178][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.722178][ T73] netlink_unicast+0x449/0x710 [ 3731.722178][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.722178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.722178][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.722178][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.722178][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.722178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.722178][ T73] [ 3731.724215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.724215][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.724215][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.724215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.724215][ T73] ip6_route_add+0x1c/0x140 [ 3731.724215][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3731.724215][ T73] addrconf_add_dev+0xe2/0x170 [ 3731.724215][ T73] inet6_addr_add+0x12f/0xa40 [ 3731.724215][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.724215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.724215][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.724215][ T73] netlink_unicast+0x449/0x710 [ 3731.724215][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.724215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.724215][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.724215][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.724215][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.724215][ T73] [ 3731.726179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.726179][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3731.726179][ T73] ipv6_find_idev+0x102/0x170 [ 3731.726179][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.726179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.726179][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.726179][ T73] netlink_unicast+0x449/0x710 [ 3731.726179][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.726179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.726179][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.726179][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.726179][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.726179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.726179][ T73] [ 3731.727721][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3731.727721][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3731.727721][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3731.727721][ T73] ipv6_find_idev+0x102/0x170 [ 3731.727721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.727721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.727721][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.727721][ T73] netlink_unicast+0x449/0x710 [ 3731.727721][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.727721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.727721][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.727721][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.727721][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.727721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.727721][ T73] [ 3731.729546][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3731.729813][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.729813][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3731.729813][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3731.729813][ T73] fib6_nh_init+0xa22/0x1580 [ 3731.729813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.729813][ T73] ip6_route_add+0x1c/0x140 [ 3731.729813][ T73] inet6_rtm_newroute+0x104/0x110 [ 3731.729813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.729813][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.729813][ T73] netlink_unicast+0x449/0x710 [ 3731.729813][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.729813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.729813][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.729813][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.729813][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.729813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.729813][ T73] [ 3731.731946][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.731946][ T73] dst_init+0x84/0x4a0 [ 3731.731946][ T73] dst_alloc+0x97/0x150 [ 3731.731946][ T73] ip6_dst_alloc+0x23/0x90 [ 3731.731946][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3731.731946][ T73] ip6_pol_route+0x56f/0x840 [ 3731.731946][ T73] fib6_rule_lookup+0x456/0x630 [ 3731.731946][ T73] ip6_route_input+0x59c/0xa50 [ 3731.731946][ T73] ipv6_rcv+0x397/0x810 [ 3731.731946][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3731.731946][ T73] process_backlog+0x101/0x620 [ 3731.731946][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3731.731946][ T73] net_rx_action+0x495/0xbe0 [ 3731.731946][ T73] __do_softirq+0x1b5/0x7f6 [ 3731.731946][ T73] [ 3731.733835][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.733835][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.733835][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.733835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.733835][ T73] ip6_route_add+0x1c/0x140 [ 3731.733835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3731.733835][ T73] inet6_addr_add+0x4f8/0xa40 [ 3731.733835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.733835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.733835][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.733835][ T73] netlink_unicast+0x449/0x710 [ 3731.733835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.733835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.733835][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.733835][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.733835][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.733835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.733835][ T73] [ 3731.736079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.736079][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.736079][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.736079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.736079][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3731.736079][ T73] ipv6_add_addr+0x411/0x2000 [ 3731.736079][ T73] inet6_addr_add+0x30e/0xa40 [ 3731.736079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.736079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.736079][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.736079][ T73] netlink_unicast+0x449/0x710 [ 3731.736079][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.736079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.736079][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.736079][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.736079][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.736079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.736079][ T73] [ 3731.738283][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.738283][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.738283][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.738283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.738283][ T73] ip6_route_add+0x1c/0x140 [ 3731.738283][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3731.738283][ T73] addrconf_add_dev+0xe2/0x170 [ 3731.738283][ T73] inet6_addr_add+0x12f/0xa40 [ 3731.738283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.738283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.738283][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.738283][ T73] netlink_unicast+0x449/0x710 [ 3731.738283][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.738283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.738283][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.738283][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.738283][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.738283][ T73] [ 3731.740433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.740433][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3731.740433][ T73] ipv6_find_idev+0x102/0x170 [ 3731.740433][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.740433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.740433][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.740433][ T73] netlink_unicast+0x449/0x710 [ 3731.740433][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.740433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.740433][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.740433][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.740433][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.740433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.740433][ T73] [ 3731.742142][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3731.742142][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3731.742142][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3731.742142][ T73] ipv6_find_idev+0x102/0x170 [ 3731.742142][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.742142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.742142][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.742142][ T73] netlink_unicast+0x449/0x710 [ 3731.742142][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.742142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.742142][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.742142][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.742142][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.742142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.742142][ T73] [ 3731.744056][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3731.744326][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3731.744326][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.744326][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.744326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.744326][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3731.744326][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3731.744326][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3731.744326][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3731.744326][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3731.744326][ T73] addrconf_dad_begin+0x310/0x670 [ 3731.744326][ T73] addrconf_dad_work+0x10b/0xab0 [ 3731.744326][ T73] process_one_work+0x84d/0x18a0 [ 3731.744326][ T73] worker_thread+0x587/0xd30 [ 3731.744326][ T73] kthread+0x28a/0x350 [ 3731.744326][ T73] ret_from_fork+0x31/0x70 [ 3731.744326][ T73] ret_from_fork_asm+0x1a/0x30 [ 3731.744326][ T73] [ 3731.746479][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3731.746479][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.746479][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.746479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.746479][ T73] ip6_route_add+0x1c/0x140 [ 3731.746479][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3731.746479][ T73] inet6_addr_add+0x4f8/0xa40 [ 3731.746479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.746479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.746479][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.746479][ T73] netlink_unicast+0x449/0x710 [ 3731.746479][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.746479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.746479][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.746479][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.746479][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.746479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.746479][ T73] [ 3731.748682][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3731.748682][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.748682][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.748682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.748682][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3731.748682][ T73] ipv6_add_addr+0x411/0x2000 [ 3731.748682][ T73] inet6_addr_add+0x30e/0xa40 [ 3731.748682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.748682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.748682][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.748682][ T73] netlink_unicast+0x449/0x710 [ 3731.748682][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.748682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.748682][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.748682][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.748682][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.748682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.748682][ T73] [ 3731.750941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3731.750941][ T73] netdev_get_by_index+0x5e/0x80 [ 3731.750941][ T73] fib6_nh_init+0x3d8/0x1580 [ 3731.750941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3731.750941][ T73] ip6_route_add+0x1c/0x140 [ 3731.750941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3731.750941][ T73] addrconf_add_dev+0xe2/0x170 [ 3731.750941][ T73] inet6_addr_add+0x12f/0xa40 [ 3731.750941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3731.750941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.750941][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.750941][ T73] netlink_unicast+0x449/0x710 [ 3731.750941][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.750941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.750941][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.750941][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.750941][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.750941][ T73] [ 3731.753206][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3731.753206][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3731.753206][ T73] ipv6_find_idev+0x102/0x170 [ 3731.753206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.753206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.753206][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.753206][ T73] netlink_unicast+0x449/0x710 [ 3731.753206][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.753206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.753206][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.753206][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.753206][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.753206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.753206][ T73] [ 3731.754962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3731.754962][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3731.754962][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3731.754962][ T73] ipv6_find_idev+0x102/0x170 [ 3731.754962][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3731.754962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3731.754962][ T73] netlink_rcv_skb+0x130/0x360 [ 3731.754962][ T73] netlink_unicast+0x449/0x710 [ 3731.754962][ T73] netlink_sendmsg+0x723/0xbe0 [ 3731.754962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3731.754962][ T73] ___sys_sendmsg+0xee/0x170 [ 3731.754962][ T73] __sys_sendmsg+0xcd/0x170 [ 3731.754962][ T73] do_syscall_64+0xc6/0x1e0 [ 3731.754962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3731.754962][ T73] [ 3741.806948][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3741.807408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.807408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3741.807408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3741.807408][ T73] fib6_nh_init+0xa22/0x1580 [ 3741.807408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.807408][ T73] ip6_route_add+0x1c/0x140 [ 3741.807408][ T73] inet6_rtm_newroute+0x104/0x110 [ 3741.807408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.807408][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.807408][ T73] netlink_unicast+0x449/0x710 [ 3741.807408][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.807408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.807408][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.807408][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.807408][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.807408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.807408][ T73] [ 3741.809302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.809302][ T73] dst_init+0x84/0x4a0 [ 3741.809302][ T73] dst_alloc+0x97/0x150 [ 3741.809302][ T73] ip6_dst_alloc+0x23/0x90 [ 3741.809302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3741.809302][ T73] ip6_pol_route+0x56f/0x840 [ 3741.809302][ T73] fib6_rule_lookup+0x456/0x630 [ 3741.809302][ T73] ip6_route_input+0x59c/0xa50 [ 3741.809302][ T73] ipv6_rcv+0x397/0x810 [ 3741.809302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3741.809302][ T73] process_backlog+0x101/0x620 [ 3741.809302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3741.809302][ T73] net_rx_action+0x495/0xbe0 [ 3741.809302][ T73] __do_softirq+0x1b5/0x7f6 [ 3741.809302][ T73] [ 3741.810947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.810947][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.810947][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.810947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.810947][ T73] ip6_route_add+0x1c/0x140 [ 3741.810947][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3741.810947][ T73] inet6_addr_add+0x4f8/0xa40 [ 3741.810947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.810947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.810947][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.810947][ T73] netlink_unicast+0x449/0x710 [ 3741.810947][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.810947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.810947][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.810947][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.810947][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.810947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.810947][ T73] [ 3741.812953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.812953][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.812953][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.812953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.812953][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3741.812953][ T73] ipv6_add_addr+0x411/0x2000 [ 3741.812953][ T73] inet6_addr_add+0x30e/0xa40 [ 3741.812953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.812953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.812953][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.812953][ T73] netlink_unicast+0x449/0x710 [ 3741.812953][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.812953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.812953][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.812953][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.812953][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.812953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.812953][ T73] [ 3741.814983][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.814983][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.814983][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.814983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.814983][ T73] ip6_route_add+0x1c/0x140 [ 3741.814983][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3741.814983][ T73] addrconf_add_dev+0xe2/0x170 [ 3741.814983][ T73] inet6_addr_add+0x12f/0xa40 [ 3741.814983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.814983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.814983][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.814983][ T73] netlink_unicast+0x449/0x710 [ 3741.814983][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.814983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.814983][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.814983][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.814983][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.814983][ T73] [ 3741.816955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.816955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3741.816955][ T73] ipv6_find_idev+0x102/0x170 [ 3741.816955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.816955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.816955][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.816955][ T73] netlink_unicast+0x449/0x710 [ 3741.816955][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.816955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.816955][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.816955][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.816955][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.816955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.816955][ T73] [ 3741.818496][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3741.818496][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3741.818496][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3741.818496][ T73] ipv6_find_idev+0x102/0x170 [ 3741.818496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.818496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.818496][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.818496][ T73] netlink_unicast+0x449/0x710 [ 3741.818496][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.818496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.818496][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.818496][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.818496][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.818496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.818496][ T73] [ 3741.820200][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3741.820482][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.820482][ T73] dst_init+0x84/0x4a0 [ 3741.820482][ T73] dst_alloc+0x97/0x150 [ 3741.820482][ T73] ip6_dst_alloc+0x23/0x90 [ 3741.820482][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3741.820482][ T73] ip6_pol_route+0x56f/0x840 [ 3741.820482][ T73] fib6_rule_lookup+0x456/0x630 [ 3741.820482][ T73] ip6_route_input+0x59c/0xa50 [ 3741.820482][ T73] ipv6_rcv+0x397/0x810 [ 3741.820482][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3741.820482][ T73] process_backlog+0x101/0x620 [ 3741.820482][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3741.820482][ T73] net_rx_action+0x495/0xbe0 [ 3741.820482][ T73] __do_softirq+0x1b5/0x7f6 [ 3741.820482][ T73] [ 3741.822141][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.822141][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.822141][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.822141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.822141][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3741.822141][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3741.822141][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3741.822141][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3741.822141][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3741.822141][ T73] addrconf_dad_begin+0x310/0x670 [ 3741.822141][ T73] addrconf_dad_work+0x10b/0xab0 [ 3741.822141][ T73] process_one_work+0x84d/0x18a0 [ 3741.822141][ T73] worker_thread+0x587/0xd30 [ 3741.822141][ T73] kthread+0x28a/0x350 [ 3741.822141][ T73] ret_from_fork+0x31/0x70 [ 3741.822141][ T73] ret_from_fork_asm+0x1a/0x30 [ 3741.822141][ T73] [ 3741.824064][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.824064][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.824064][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.824064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.824064][ T73] ip6_route_add+0x1c/0x140 [ 3741.824064][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3741.824064][ T73] inet6_addr_add+0x4f8/0xa40 [ 3741.824064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.824064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.824064][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.824064][ T73] netlink_unicast+0x449/0x710 [ 3741.824064][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.824064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.824064][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.824064][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.824064][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.824064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.824064][ T73] [ 3741.826068][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.826068][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.826068][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.826068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.826068][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3741.826068][ T73] ipv6_add_addr+0x411/0x2000 [ 3741.826068][ T73] inet6_addr_add+0x30e/0xa40 [ 3741.826068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.826068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.826068][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.826068][ T73] netlink_unicast+0x449/0x710 [ 3741.826068][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.826068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.826068][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.826068][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.826068][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.826068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.826068][ T73] [ 3741.828068][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.828068][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.828068][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.828068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.828068][ T73] ip6_route_add+0x1c/0x140 [ 3741.828068][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3741.828068][ T73] addrconf_add_dev+0xe2/0x170 [ 3741.828068][ T73] inet6_addr_add+0x12f/0xa40 [ 3741.828068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.828068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.828068][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.828068][ T73] netlink_unicast+0x449/0x710 [ 3741.828068][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.828068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.828068][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.828068][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.828068][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.828068][ T73] [ 3741.830050][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.830050][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3741.830050][ T73] ipv6_find_idev+0x102/0x170 [ 3741.830050][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.830050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.830050][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.830050][ T73] netlink_unicast+0x449/0x710 [ 3741.830050][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.830050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.830050][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.830050][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.830050][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.830050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.830050][ T73] [ 3741.831586][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3741.831586][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3741.831586][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3741.831586][ T73] ipv6_find_idev+0x102/0x170 [ 3741.831586][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.831586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.831586][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.831586][ T73] netlink_unicast+0x449/0x710 [ 3741.831586][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.831586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.831586][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.831586][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.831586][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.831586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.831586][ T73] [ 3741.833400][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3741.833671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.833671][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3741.833671][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3741.833671][ T73] fib6_nh_init+0xa22/0x1580 [ 3741.833671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.833671][ T73] ip6_route_add+0x1c/0x140 [ 3741.833671][ T73] inet6_rtm_newroute+0x104/0x110 [ 3741.833671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.833671][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.833671][ T73] netlink_unicast+0x449/0x710 [ 3741.833671][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.833671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.833671][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.833671][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.833671][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.833671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.833671][ T73] [ 3741.835795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.835795][ T73] dst_init+0x84/0x4a0 [ 3741.835795][ T73] dst_alloc+0x97/0x150 [ 3741.835795][ T73] ip6_dst_alloc+0x23/0x90 [ 3741.835795][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3741.835795][ T73] ip6_pol_route+0x56f/0x840 [ 3741.835795][ T73] fib6_rule_lookup+0x456/0x630 [ 3741.835795][ T73] ip6_route_input+0x59c/0xa50 [ 3741.835795][ T73] ipv6_rcv+0x397/0x810 [ 3741.835795][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3741.835795][ T73] process_backlog+0x101/0x620 [ 3741.835795][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3741.835795][ T73] net_rx_action+0x495/0xbe0 [ 3741.835795][ T73] __do_softirq+0x1b5/0x7f6 [ 3741.835795][ T73] [ 3741.837620][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.837620][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.837620][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.837620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.837620][ T73] ip6_route_add+0x1c/0x140 [ 3741.837620][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3741.837620][ T73] inet6_addr_add+0x4f8/0xa40 [ 3741.837620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.837620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.837620][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.837620][ T73] netlink_unicast+0x449/0x710 [ 3741.837620][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.837620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.837620][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.837620][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.837620][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.837620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.837620][ T73] [ 3741.839881][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.839881][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.839881][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.839881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.839881][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3741.839881][ T73] ipv6_add_addr+0x411/0x2000 [ 3741.839881][ T73] inet6_addr_add+0x30e/0xa40 [ 3741.839881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.839881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.839881][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.839881][ T73] netlink_unicast+0x449/0x710 [ 3741.839881][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.839881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.839881][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.839881][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.839881][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.839881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.839881][ T73] [ 3741.842196][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.842196][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.842196][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.842196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.842196][ T73] ip6_route_add+0x1c/0x140 [ 3741.842196][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3741.842196][ T73] addrconf_add_dev+0xe2/0x170 [ 3741.842196][ T73] inet6_addr_add+0x12f/0xa40 [ 3741.842196][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.842196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.842196][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.842196][ T73] netlink_unicast+0x449/0x710 [ 3741.842196][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.842196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.842196][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.842196][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.842196][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.842196][ T73] [ 3741.844879][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.844879][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3741.844879][ T73] ipv6_find_idev+0x102/0x170 [ 3741.844879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.844879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.844879][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.844879][ T73] netlink_unicast+0x449/0x710 [ 3741.844879][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.844879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.844879][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.844879][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.844879][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.844879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.844879][ T73] [ 3741.846599][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3741.846599][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3741.846599][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3741.846599][ T73] ipv6_find_idev+0x102/0x170 [ 3741.846599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.846599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.846599][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.846599][ T73] netlink_unicast+0x449/0x710 [ 3741.846599][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.846599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.846599][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.846599][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.846599][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.846599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.846599][ T73] [ 3741.848528][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3741.848800][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3741.848800][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.848800][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.848800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.848800][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3741.848800][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3741.848800][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3741.848800][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3741.848800][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3741.848800][ T73] addrconf_dad_begin+0x310/0x670 [ 3741.848800][ T73] addrconf_dad_work+0x10b/0xab0 [ 3741.848800][ T73] process_one_work+0x84d/0x18a0 [ 3741.848800][ T73] worker_thread+0x587/0xd30 [ 3741.848800][ T73] kthread+0x28a/0x350 [ 3741.848800][ T73] ret_from_fork+0x31/0x70 [ 3741.848800][ T73] ret_from_fork_asm+0x1a/0x30 [ 3741.848800][ T73] [ 3741.850953][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3741.850953][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.850953][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.850953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.850953][ T73] ip6_route_add+0x1c/0x140 [ 3741.850953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3741.850953][ T73] inet6_addr_add+0x4f8/0xa40 [ 3741.850953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.850953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.850953][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.850953][ T73] netlink_unicast+0x449/0x710 [ 3741.850953][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.850953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.850953][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.850953][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.850953][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.850953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.850953][ T73] [ 3741.853252][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3741.853252][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.853252][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.853252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.853252][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3741.853252][ T73] ipv6_add_addr+0x411/0x2000 [ 3741.853252][ T73] inet6_addr_add+0x30e/0xa40 [ 3741.853252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.853252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.853252][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.853252][ T73] netlink_unicast+0x449/0x710 [ 3741.853252][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.853252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.853252][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.853252][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.853252][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.853252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.853252][ T73] [ 3741.855931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3741.855931][ T73] netdev_get_by_index+0x5e/0x80 [ 3741.855931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3741.855931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3741.855931][ T73] ip6_route_add+0x1c/0x140 [ 3741.855931][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3741.855931][ T73] addrconf_add_dev+0xe2/0x170 [ 3741.855931][ T73] inet6_addr_add+0x12f/0xa40 [ 3741.855931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.855931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.855931][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.855931][ T73] netlink_unicast+0x449/0x710 [ 3741.855931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.855931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.855931][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.855931][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.855931][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.855931][ T73] [ 3741.858165][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3741.858165][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3741.858165][ T73] ipv6_find_idev+0x102/0x170 [ 3741.858165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.858165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.858165][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.858165][ T73] netlink_unicast+0x449/0x710 [ 3741.858165][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.858165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.858165][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.858165][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.858165][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.858165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.858165][ T73] [ 3741.859904][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3741.859904][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3741.859904][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3741.859904][ T73] ipv6_find_idev+0x102/0x170 [ 3741.859904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.859904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.859904][ T73] netlink_rcv_skb+0x130/0x360 [ 3741.859904][ T73] netlink_unicast+0x449/0x710 [ 3741.859904][ T73] netlink_sendmsg+0x723/0xbe0 [ 3741.859904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3741.859904][ T73] ___sys_sendmsg+0xee/0x170 [ 3741.859904][ T73] __sys_sendmsg+0xcd/0x170 [ 3741.859904][ T73] do_syscall_64+0xc6/0x1e0 [ 3741.859904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.859904][ T73] [ 3751.894883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3751.895272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.895272][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3751.895272][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3751.895272][ T73] fib6_nh_init+0xa22/0x1580 [ 3751.895272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.895272][ T73] ip6_route_add+0x1c/0x140 [ 3751.895272][ T73] inet6_rtm_newroute+0x104/0x110 [ 3751.895272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.895272][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.895272][ T73] netlink_unicast+0x449/0x710 [ 3751.895272][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.895272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.895272][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.895272][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.895272][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.895272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.895272][ T73] [ 3751.897169][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.897169][ T73] dst_init+0x84/0x4a0 [ 3751.897169][ T73] dst_alloc+0x97/0x150 [ 3751.897169][ T73] ip6_dst_alloc+0x23/0x90 [ 3751.897169][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3751.897169][ T73] ip6_pol_route+0x56f/0x840 [ 3751.897169][ T73] fib6_rule_lookup+0x456/0x630 [ 3751.897169][ T73] ip6_route_input+0x59c/0xa50 [ 3751.897169][ T73] ipv6_rcv+0x397/0x810 [ 3751.897169][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3751.897169][ T73] process_backlog+0x101/0x620 [ 3751.897169][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3751.897169][ T73] net_rx_action+0x495/0xbe0 [ 3751.897169][ T73] __do_softirq+0x1b5/0x7f6 [ 3751.897169][ T73] [ 3751.898836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.898836][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.898836][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.898836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.898836][ T73] ip6_route_add+0x1c/0x140 [ 3751.898836][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3751.898836][ T73] inet6_addr_add+0x4f8/0xa40 [ 3751.898836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.898836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.898836][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.898836][ T73] netlink_unicast+0x449/0x710 [ 3751.898836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.898836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.898836][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.898836][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.898836][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.898836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.898836][ T73] [ 3751.900850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.900850][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.900850][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.900850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.900850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3751.900850][ T73] ipv6_add_addr+0x411/0x2000 [ 3751.900850][ T73] inet6_addr_add+0x30e/0xa40 [ 3751.900850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.900850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.900850][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.900850][ T73] netlink_unicast+0x449/0x710 [ 3751.900850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.900850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.900850][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.900850][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.900850][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.900850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.900850][ T73] [ 3751.902849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.902849][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.902849][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.902849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.902849][ T73] ip6_route_add+0x1c/0x140 [ 3751.902849][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3751.902849][ T73] addrconf_add_dev+0xe2/0x170 [ 3751.902849][ T73] inet6_addr_add+0x12f/0xa40 [ 3751.902849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.902849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.902849][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.902849][ T73] netlink_unicast+0x449/0x710 [ 3751.902849][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.902849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.902849][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.902849][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.902849][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.902849][ T73] [ 3751.904832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.904832][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3751.904832][ T73] ipv6_find_idev+0x102/0x170 [ 3751.904832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.904832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.904832][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.904832][ T73] netlink_unicast+0x449/0x710 [ 3751.904832][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.904832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.904832][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.904832][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.904832][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.904832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.904832][ T73] [ 3751.906383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3751.906383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3751.906383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3751.906383][ T73] ipv6_find_idev+0x102/0x170 [ 3751.906383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.906383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.906383][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.906383][ T73] netlink_unicast+0x449/0x710 [ 3751.906383][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.906383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.906383][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.906383][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.906383][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.906383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.906383][ T73] [ 3751.908064][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3751.908335][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.908335][ T73] dst_init+0x84/0x4a0 [ 3751.908335][ T73] dst_alloc+0x97/0x150 [ 3751.908335][ T73] ip6_dst_alloc+0x23/0x90 [ 3751.908335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3751.908335][ T73] ip6_pol_route+0x56f/0x840 [ 3751.908335][ T73] fib6_rule_lookup+0x456/0x630 [ 3751.908335][ T73] ip6_route_input+0x59c/0xa50 [ 3751.908335][ T73] ipv6_rcv+0x397/0x810 [ 3751.908335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3751.908335][ T73] process_backlog+0x101/0x620 [ 3751.908335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3751.908335][ T73] net_rx_action+0x495/0xbe0 [ 3751.908335][ T73] __do_softirq+0x1b5/0x7f6 [ 3751.908335][ T73] [ 3751.909991][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.909991][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.909991][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.909991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.909991][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3751.909991][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3751.909991][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3751.909991][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3751.909991][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3751.909991][ T73] addrconf_dad_begin+0x310/0x670 [ 3751.909991][ T73] addrconf_dad_work+0x10b/0xab0 [ 3751.909991][ T73] process_one_work+0x84d/0x18a0 [ 3751.909991][ T73] worker_thread+0x587/0xd30 [ 3751.909991][ T73] kthread+0x28a/0x350 [ 3751.909991][ T73] ret_from_fork+0x31/0x70 [ 3751.909991][ T73] ret_from_fork_asm+0x1a/0x30 [ 3751.909991][ T73] [ 3751.911915][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.911915][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.911915][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.911915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.911915][ T73] ip6_route_add+0x1c/0x140 [ 3751.911915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3751.911915][ T73] inet6_addr_add+0x4f8/0xa40 [ 3751.911915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.911915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.911915][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.911915][ T73] netlink_unicast+0x449/0x710 [ 3751.911915][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.911915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.911915][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.911915][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.911915][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.911915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.911915][ T73] [ 3751.913953][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.913953][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.913953][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.913953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.913953][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3751.913953][ T73] ipv6_add_addr+0x411/0x2000 [ 3751.913953][ T73] inet6_addr_add+0x30e/0xa40 [ 3751.913953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.913953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.913953][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.913953][ T73] netlink_unicast+0x449/0x710 [ 3751.913953][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.913953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.913953][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.913953][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.913953][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.913953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.913953][ T73] [ 3751.915967][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.915967][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.915967][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.915967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.915967][ T73] ip6_route_add+0x1c/0x140 [ 3751.915967][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3751.915967][ T73] addrconf_add_dev+0xe2/0x170 [ 3751.915967][ T73] inet6_addr_add+0x12f/0xa40 [ 3751.915967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.915967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.915967][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.915967][ T73] netlink_unicast+0x449/0x710 [ 3751.915967][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.915967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.915967][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.915967][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.915967][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.915967][ T73] [ 3751.918353][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.918353][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3751.918353][ T73] ipv6_find_idev+0x102/0x170 [ 3751.918353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.918353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.918353][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.918353][ T73] netlink_unicast+0x449/0x710 [ 3751.918353][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.918353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.918353][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.918353][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.918353][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.918353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.918353][ T73] [ 3751.919920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3751.919920][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3751.919920][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3751.919920][ T73] ipv6_find_idev+0x102/0x170 [ 3751.919920][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.919920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.919920][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.919920][ T73] netlink_unicast+0x449/0x710 [ 3751.919920][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.919920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.919920][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.919920][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.919920][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.919920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.919920][ T73] [ 3751.921677][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3751.921953][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.921953][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3751.921953][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3751.921953][ T73] fib6_nh_init+0xa22/0x1580 [ 3751.921953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.921953][ T73] ip6_route_add+0x1c/0x140 [ 3751.921953][ T73] inet6_rtm_newroute+0x104/0x110 [ 3751.921953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.921953][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.921953][ T73] netlink_unicast+0x449/0x710 [ 3751.921953][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.921953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.921953][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.921953][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.921953][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.921953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.921953][ T73] [ 3751.923963][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.923963][ T73] dst_init+0x84/0x4a0 [ 3751.923963][ T73] dst_alloc+0x97/0x150 [ 3751.923963][ T73] ip6_dst_alloc+0x23/0x90 [ 3751.923963][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3751.923963][ T73] ip6_pol_route+0x56f/0x840 [ 3751.923963][ T73] fib6_rule_lookup+0x456/0x630 [ 3751.923963][ T73] ip6_route_input+0x59c/0xa50 [ 3751.923963][ T73] ipv6_rcv+0x397/0x810 [ 3751.923963][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3751.923963][ T73] process_backlog+0x101/0x620 [ 3751.923963][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3751.923963][ T73] net_rx_action+0x495/0xbe0 [ 3751.923963][ T73] __do_softirq+0x1b5/0x7f6 [ 3751.923963][ T73] [ 3751.925724][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.925724][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.925724][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.925724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.925724][ T73] ip6_route_add+0x1c/0x140 [ 3751.925724][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3751.925724][ T73] inet6_addr_add+0x4f8/0xa40 [ 3751.925724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.925724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.925724][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.925724][ T73] netlink_unicast+0x449/0x710 [ 3751.925724][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.925724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.925724][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.925724][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.925724][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.925724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.925724][ T73] [ 3751.927875][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.927875][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.927875][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.927875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.927875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3751.927875][ T73] ipv6_add_addr+0x411/0x2000 [ 3751.927875][ T73] inet6_addr_add+0x30e/0xa40 [ 3751.927875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.927875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.927875][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.927875][ T73] netlink_unicast+0x449/0x710 [ 3751.927875][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.927875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.927875][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.927875][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.927875][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.927875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.927875][ T73] [ 3751.929968][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.929968][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.929968][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.929968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.929968][ T73] ip6_route_add+0x1c/0x140 [ 3751.929968][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3751.929968][ T73] addrconf_add_dev+0xe2/0x170 [ 3751.929968][ T73] inet6_addr_add+0x12f/0xa40 [ 3751.929968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.929968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.929968][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.929968][ T73] netlink_unicast+0x449/0x710 [ 3751.929968][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.929968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.929968][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.929968][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.929968][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.929968][ T73] [ 3751.932049][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.932049][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3751.932049][ T73] ipv6_find_idev+0x102/0x170 [ 3751.932049][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.932049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.932049][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.932049][ T73] netlink_unicast+0x449/0x710 [ 3751.932049][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.932049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.932049][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.932049][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.932049][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.932049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.932049][ T73] [ 3751.933723][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3751.933723][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3751.933723][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3751.933723][ T73] ipv6_find_idev+0x102/0x170 [ 3751.933723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.933723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.933723][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.933723][ T73] netlink_unicast+0x449/0x710 [ 3751.933723][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.933723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.933723][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.933723][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.933723][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.933723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.933723][ T73] [ 3751.935540][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3751.935808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3751.935808][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.935808][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.935808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.935808][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3751.935808][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3751.935808][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3751.935808][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3751.935808][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3751.935808][ T73] addrconf_dad_begin+0x310/0x670 [ 3751.935808][ T73] addrconf_dad_work+0x10b/0xab0 [ 3751.935808][ T73] process_one_work+0x84d/0x18a0 [ 3751.935808][ T73] worker_thread+0x587/0xd30 [ 3751.935808][ T73] kthread+0x28a/0x350 [ 3751.935808][ T73] ret_from_fork+0x31/0x70 [ 3751.935808][ T73] ret_from_fork_asm+0x1a/0x30 [ 3751.935808][ T73] [ 3751.937868][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3751.937868][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.937868][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.937868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.937868][ T73] ip6_route_add+0x1c/0x140 [ 3751.937868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3751.937868][ T73] inet6_addr_add+0x4f8/0xa40 [ 3751.937868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.937868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.937868][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.937868][ T73] netlink_unicast+0x449/0x710 [ 3751.937868][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.937868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.937868][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.937868][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.937868][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.937868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.937868][ T73] [ 3751.940009][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3751.940009][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.940009][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.940009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.940009][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3751.940009][ T73] ipv6_add_addr+0x411/0x2000 [ 3751.940009][ T73] inet6_addr_add+0x30e/0xa40 [ 3751.940009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.940009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.940009][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.940009][ T73] netlink_unicast+0x449/0x710 [ 3751.940009][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.940009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.940009][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.940009][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.940009][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.940009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.940009][ T73] [ 3751.942088][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3751.942088][ T73] netdev_get_by_index+0x5e/0x80 [ 3751.942088][ T73] fib6_nh_init+0x3d8/0x1580 [ 3751.942088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3751.942088][ T73] ip6_route_add+0x1c/0x140 [ 3751.942088][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3751.942088][ T73] addrconf_add_dev+0xe2/0x170 [ 3751.942088][ T73] inet6_addr_add+0x12f/0xa40 [ 3751.942088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.942088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.942088][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.942088][ T73] netlink_unicast+0x449/0x710 [ 3751.942088][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.942088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.942088][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.942088][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.942088][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.942088][ T73] [ 3751.944206][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3751.944206][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3751.944206][ T73] ipv6_find_idev+0x102/0x170 [ 3751.944206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.944206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.944206][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.944206][ T73] netlink_unicast+0x449/0x710 [ 3751.944206][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.944206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.944206][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.944206][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.944206][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.944206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.944206][ T73] [ 3751.945891][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3751.945891][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3751.945891][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3751.945891][ T73] ipv6_find_idev+0x102/0x170 [ 3751.945891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.945891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.945891][ T73] netlink_rcv_skb+0x130/0x360 [ 3751.945891][ T73] netlink_unicast+0x449/0x710 [ 3751.945891][ T73] netlink_sendmsg+0x723/0xbe0 [ 3751.945891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3751.945891][ T73] ___sys_sendmsg+0xee/0x170 [ 3751.945891][ T73] __sys_sendmsg+0xcd/0x170 [ 3751.945891][ T73] do_syscall_64+0xc6/0x1e0 [ 3751.945891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.945891][ T73] [ 3762.190917][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3762.191308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.191308][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3762.191308][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3762.191308][ T73] fib6_nh_init+0xa22/0x1580 [ 3762.191308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.191308][ T73] ip6_route_add+0x1c/0x140 [ 3762.191308][ T73] inet6_rtm_newroute+0x104/0x110 [ 3762.191308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.191308][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.191308][ T73] netlink_unicast+0x449/0x710 [ 3762.191308][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.191308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.191308][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.191308][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.191308][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.191308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.191308][ T73] [ 3762.193206][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.193206][ T73] dst_init+0x84/0x4a0 [ 3762.193206][ T73] dst_alloc+0x97/0x150 [ 3762.193206][ T73] ip6_dst_alloc+0x23/0x90 [ 3762.193206][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3762.193206][ T73] ip6_pol_route+0x56f/0x840 [ 3762.193206][ T73] fib6_rule_lookup+0x456/0x630 [ 3762.193206][ T73] ip6_route_input+0x59c/0xa50 [ 3762.193206][ T73] ipv6_rcv+0x397/0x810 [ 3762.193206][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3762.193206][ T73] process_backlog+0x101/0x620 [ 3762.193206][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3762.193206][ T73] net_rx_action+0x495/0xbe0 [ 3762.193206][ T73] __do_softirq+0x1b5/0x7f6 [ 3762.193206][ T73] [ 3762.194854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.194854][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.194854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.194854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.194854][ T73] ip6_route_add+0x1c/0x140 [ 3762.194854][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3762.194854][ T73] inet6_addr_add+0x4f8/0xa40 [ 3762.194854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.194854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.194854][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.194854][ T73] netlink_unicast+0x449/0x710 [ 3762.194854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.194854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.194854][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.194854][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.194854][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.194854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.194854][ T73] [ 3762.196854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.196854][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.196854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.196854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.196854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3762.196854][ T73] ipv6_add_addr+0x411/0x2000 [ 3762.196854][ T73] inet6_addr_add+0x30e/0xa40 [ 3762.196854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.196854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.196854][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.196854][ T73] netlink_unicast+0x449/0x710 [ 3762.196854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.196854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.196854][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.196854][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.196854][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.196854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.196854][ T73] [ 3762.198855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.198855][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.198855][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.198855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.198855][ T73] ip6_route_add+0x1c/0x140 [ 3762.198855][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3762.198855][ T73] addrconf_add_dev+0xe2/0x170 [ 3762.198855][ T73] inet6_addr_add+0x12f/0xa40 [ 3762.198855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.198855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.198855][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.198855][ T73] netlink_unicast+0x449/0x710 [ 3762.198855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.198855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.198855][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.198855][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.198855][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.198855][ T73] [ 3762.200811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.200811][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3762.200811][ T73] ipv6_find_idev+0x102/0x170 [ 3762.200811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.200811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.200811][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.200811][ T73] netlink_unicast+0x449/0x710 [ 3762.200811][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.200811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.200811][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.200811][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.200811][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.200811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.200811][ T73] [ 3762.202341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3762.202341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3762.202341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3762.202341][ T73] ipv6_find_idev+0x102/0x170 [ 3762.202341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.202341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.202341][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.202341][ T73] netlink_unicast+0x449/0x710 [ 3762.202341][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.202341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.202341][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.202341][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.202341][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.202341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.202341][ T73] [ 3762.204032][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3762.204302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.204302][ T73] dst_init+0x84/0x4a0 [ 3762.204302][ T73] dst_alloc+0x97/0x150 [ 3762.204302][ T73] ip6_dst_alloc+0x23/0x90 [ 3762.204302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3762.204302][ T73] ip6_pol_route+0x56f/0x840 [ 3762.204302][ T73] fib6_rule_lookup+0x456/0x630 [ 3762.204302][ T73] ip6_route_input+0x59c/0xa50 [ 3762.204302][ T73] ipv6_rcv+0x397/0x810 [ 3762.204302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3762.204302][ T73] process_backlog+0x101/0x620 [ 3762.204302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3762.204302][ T73] net_rx_action+0x495/0xbe0 [ 3762.204302][ T73] __do_softirq+0x1b5/0x7f6 [ 3762.204302][ T73] [ 3762.206445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.206445][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.206445][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.206445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.206445][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3762.206445][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3762.206445][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3762.206445][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3762.206445][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3762.206445][ T73] addrconf_dad_begin+0x310/0x670 [ 3762.206445][ T73] addrconf_dad_work+0x10b/0xab0 [ 3762.206445][ T73] process_one_work+0x84d/0x18a0 [ 3762.206445][ T73] worker_thread+0x587/0xd30 [ 3762.206445][ T73] kthread+0x28a/0x350 [ 3762.206445][ T73] ret_from_fork+0x31/0x70 [ 3762.206445][ T73] ret_from_fork_asm+0x1a/0x30 [ 3762.206445][ T73] [ 3762.208366][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.208366][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.208366][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.208366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.208366][ T73] ip6_route_add+0x1c/0x140 [ 3762.208366][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3762.208366][ T73] inet6_addr_add+0x4f8/0xa40 [ 3762.208366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.208366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.208366][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.208366][ T73] netlink_unicast+0x449/0x710 [ 3762.208366][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.208366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.208366][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.208366][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.208366][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.208366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.208366][ T73] [ 3762.210371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.210371][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.210371][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.210371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.210371][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3762.210371][ T73] ipv6_add_addr+0x411/0x2000 [ 3762.210371][ T73] inet6_addr_add+0x30e/0xa40 [ 3762.210371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.210371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.210371][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.210371][ T73] netlink_unicast+0x449/0x710 [ 3762.210371][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.210371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.210371][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.210371][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.210371][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.210371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.210371][ T73] [ 3762.212380][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.212380][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.212380][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.212380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.212380][ T73] ip6_route_add+0x1c/0x140 [ 3762.212380][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3762.212380][ T73] addrconf_add_dev+0xe2/0x170 [ 3762.212380][ T73] inet6_addr_add+0x12f/0xa40 [ 3762.212380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.212380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.212380][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.212380][ T73] netlink_unicast+0x449/0x710 [ 3762.212380][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.212380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.212380][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.212380][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.212380][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.212380][ T73] [ 3762.214341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.214341][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3762.214341][ T73] ipv6_find_idev+0x102/0x170 [ 3762.214341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.214341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.214341][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.214341][ T73] netlink_unicast+0x449/0x710 [ 3762.214341][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.214341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.214341][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.214341][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.214341][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.214341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.214341][ T73] [ 3762.215880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3762.215880][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3762.215880][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3762.215880][ T73] ipv6_find_idev+0x102/0x170 [ 3762.215880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.215880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.215880][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.215880][ T73] netlink_unicast+0x449/0x710 [ 3762.215880][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.215880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.215880][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.215880][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.215880][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.215880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.215880][ T73] [ 3762.217719][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3762.217998][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.217998][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3762.217998][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3762.217998][ T73] fib6_nh_init+0xa22/0x1580 [ 3762.217998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.217998][ T73] ip6_route_add+0x1c/0x140 [ 3762.217998][ T73] inet6_rtm_newroute+0x104/0x110 [ 3762.217998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.217998][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.217998][ T73] netlink_unicast+0x449/0x710 [ 3762.217998][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.217998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.217998][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.217998][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.217998][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.217998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.217998][ T73] [ 3762.220195][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.220195][ T73] dst_init+0x84/0x4a0 [ 3762.220195][ T73] dst_alloc+0x97/0x150 [ 3762.220195][ T73] ip6_dst_alloc+0x23/0x90 [ 3762.220195][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3762.220195][ T73] ip6_pol_route+0x56f/0x840 [ 3762.220195][ T73] fib6_rule_lookup+0x456/0x630 [ 3762.220195][ T73] ip6_route_input+0x59c/0xa50 [ 3762.220195][ T73] ipv6_rcv+0x397/0x810 [ 3762.220195][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3762.220195][ T73] process_backlog+0x101/0x620 [ 3762.220195][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3762.220195][ T73] net_rx_action+0x495/0xbe0 [ 3762.220195][ T73] __do_softirq+0x1b5/0x7f6 [ 3762.220195][ T73] [ 3762.222435][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.222435][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.222435][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.222435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.222435][ T73] ip6_route_add+0x1c/0x140 [ 3762.222435][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3762.222435][ T73] inet6_addr_add+0x4f8/0xa40 [ 3762.222435][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.222435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.222435][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.222435][ T73] netlink_unicast+0x449/0x710 [ 3762.222435][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.222435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.222435][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.222435][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.222435][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.222435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.222435][ T73] [ 3762.224703][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.224703][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.224703][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.224703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.224703][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3762.224703][ T73] ipv6_add_addr+0x411/0x2000 [ 3762.224703][ T73] inet6_addr_add+0x30e/0xa40 [ 3762.224703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.224703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.224703][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.224703][ T73] netlink_unicast+0x449/0x710 [ 3762.224703][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.224703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.224703][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.224703][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.224703][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.224703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.224703][ T73] [ 3762.226933][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.226933][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.226933][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.226933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.226933][ T73] ip6_route_add+0x1c/0x140 [ 3762.226933][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3762.226933][ T73] addrconf_add_dev+0xe2/0x170 [ 3762.226933][ T73] inet6_addr_add+0x12f/0xa40 [ 3762.226933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.226933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.226933][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.226933][ T73] netlink_unicast+0x449/0x710 [ 3762.226933][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.226933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.226933][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.226933][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.226933][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.226933][ T73] [ 3762.229190][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.229190][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3762.229190][ T73] ipv6_find_idev+0x102/0x170 [ 3762.229190][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.229190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.229190][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.229190][ T73] netlink_unicast+0x449/0x710 [ 3762.229190][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.229190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.229190][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.229190][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.229190][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.229190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.229190][ T73] [ 3762.230842][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3762.230842][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3762.230842][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3762.230842][ T73] ipv6_find_idev+0x102/0x170 [ 3762.230842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.230842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.230842][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.230842][ T73] netlink_unicast+0x449/0x710 [ 3762.230842][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.230842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.230842][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.230842][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.230842][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.230842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.230842][ T73] [ 3762.232796][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3762.233073][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3762.233073][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.233073][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.233073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.233073][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3762.233073][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3762.233073][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3762.233073][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3762.233073][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3762.233073][ T73] addrconf_dad_begin+0x310/0x670 [ 3762.233073][ T73] addrconf_dad_work+0x10b/0xab0 [ 3762.233073][ T73] process_one_work+0x84d/0x18a0 [ 3762.233073][ T73] worker_thread+0x587/0xd30 [ 3762.233073][ T73] kthread+0x28a/0x350 [ 3762.233073][ T73] ret_from_fork+0x31/0x70 [ 3762.233073][ T73] ret_from_fork_asm+0x1a/0x30 [ 3762.233073][ T73] [ 3762.235235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3762.235235][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.235235][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.235235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.235235][ T73] ip6_route_add+0x1c/0x140 [ 3762.235235][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3762.235235][ T73] inet6_addr_add+0x4f8/0xa40 [ 3762.235235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.235235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.235235][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.235235][ T73] netlink_unicast+0x449/0x710 [ 3762.235235][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.235235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.235235][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.235235][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.235235][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.235235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.235235][ T73] [ 3762.237466][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3762.237466][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.237466][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.237466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.237466][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3762.237466][ T73] ipv6_add_addr+0x411/0x2000 [ 3762.237466][ T73] inet6_addr_add+0x30e/0xa40 [ 3762.237466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.237466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.237466][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.237466][ T73] netlink_unicast+0x449/0x710 [ 3762.237466][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.237466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.237466][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.237466][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.237466][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.237466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.237466][ T73] [ 3762.239698][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3762.239698][ T73] netdev_get_by_index+0x5e/0x80 [ 3762.239698][ T73] fib6_nh_init+0x3d8/0x1580 [ 3762.239698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3762.239698][ T73] ip6_route_add+0x1c/0x140 [ 3762.239698][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3762.239698][ T73] addrconf_add_dev+0xe2/0x170 [ 3762.239698][ T73] inet6_addr_add+0x12f/0xa40 [ 3762.239698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3762.239698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.239698][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.239698][ T73] netlink_unicast+0x449/0x710 [ 3762.239698][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.239698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.239698][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.239698][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.239698][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.239698][ T73] [ 3762.241927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3762.241927][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3762.241927][ T73] ipv6_find_idev+0x102/0x170 [ 3762.241927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.241927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.241927][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.241927][ T73] netlink_unicast+0x449/0x710 [ 3762.241927][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.241927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.241927][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.241927][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.241927][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.241927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.241927][ T73] [ 3762.243673][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3762.243673][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3762.243673][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3762.243673][ T73] ipv6_find_idev+0x102/0x170 [ 3762.243673][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3762.243673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3762.243673][ T73] netlink_rcv_skb+0x130/0x360 [ 3762.243673][ T73] netlink_unicast+0x449/0x710 [ 3762.243673][ T73] netlink_sendmsg+0x723/0xbe0 [ 3762.243673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3762.243673][ T73] ___sys_sendmsg+0xee/0x170 [ 3762.243673][ T73] __sys_sendmsg+0xcd/0x170 [ 3762.243673][ T73] do_syscall_64+0xc6/0x1e0 [ 3762.243673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3762.243673][ T73] [ 3772.486889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3772.487287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.487287][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3772.487287][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3772.487287][ T73] fib6_nh_init+0xa22/0x1580 [ 3772.487287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.487287][ T73] ip6_route_add+0x1c/0x140 [ 3772.487287][ T73] inet6_rtm_newroute+0x104/0x110 [ 3772.487287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.487287][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.487287][ T73] netlink_unicast+0x449/0x710 [ 3772.487287][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.487287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.487287][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.487287][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.487287][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.487287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.487287][ T73] [ 3772.489171][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.489171][ T73] dst_init+0x84/0x4a0 [ 3772.489171][ T73] dst_alloc+0x97/0x150 [ 3772.489171][ T73] ip6_dst_alloc+0x23/0x90 [ 3772.489171][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3772.489171][ T73] ip6_pol_route+0x56f/0x840 [ 3772.489171][ T73] fib6_rule_lookup+0x456/0x630 [ 3772.489171][ T73] ip6_route_input+0x59c/0xa50 [ 3772.489171][ T73] ipv6_rcv+0x397/0x810 [ 3772.489171][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3772.489171][ T73] process_backlog+0x101/0x620 [ 3772.489171][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3772.489171][ T73] net_rx_action+0x495/0xbe0 [ 3772.489171][ T73] __do_softirq+0x1b5/0x7f6 [ 3772.489171][ T73] [ 3772.490827][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.490827][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.490827][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.490827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.490827][ T73] ip6_route_add+0x1c/0x140 [ 3772.490827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3772.490827][ T73] inet6_addr_add+0x4f8/0xa40 [ 3772.490827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.490827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.490827][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.490827][ T73] netlink_unicast+0x449/0x710 [ 3772.490827][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.490827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.490827][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.490827][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.490827][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.490827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.490827][ T73] [ 3772.492856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.492856][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.492856][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.492856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.492856][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3772.492856][ T73] ipv6_add_addr+0x411/0x2000 [ 3772.492856][ T73] inet6_addr_add+0x30e/0xa40 [ 3772.492856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.492856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.492856][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.492856][ T73] netlink_unicast+0x449/0x710 [ 3772.492856][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.492856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.492856][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.492856][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.492856][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.492856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.492856][ T73] [ 3772.494879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.494879][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.494879][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.494879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.494879][ T73] ip6_route_add+0x1c/0x140 [ 3772.494879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3772.494879][ T73] addrconf_add_dev+0xe2/0x170 [ 3772.494879][ T73] inet6_addr_add+0x12f/0xa40 [ 3772.494879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.494879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.494879][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.494879][ T73] netlink_unicast+0x449/0x710 [ 3772.494879][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.494879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.494879][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.494879][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.494879][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.494879][ T73] [ 3772.496879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.496879][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3772.496879][ T73] ipv6_find_idev+0x102/0x170 [ 3772.496879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.496879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.496879][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.496879][ T73] netlink_unicast+0x449/0x710 [ 3772.496879][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.496879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.496879][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.496879][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.496879][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.496879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.496879][ T73] [ 3772.498432][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3772.498432][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3772.498432][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3772.498432][ T73] ipv6_find_idev+0x102/0x170 [ 3772.498432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.498432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.498432][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.498432][ T73] netlink_unicast+0x449/0x710 [ 3772.498432][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.498432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.498432][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.498432][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.498432][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.498432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.498432][ T73] [ 3772.500128][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3772.500402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.500402][ T73] dst_init+0x84/0x4a0 [ 3772.500402][ T73] dst_alloc+0x97/0x150 [ 3772.500402][ T73] ip6_dst_alloc+0x23/0x90 [ 3772.500402][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3772.500402][ T73] ip6_pol_route+0x56f/0x840 [ 3772.500402][ T73] fib6_rule_lookup+0x456/0x630 [ 3772.500402][ T73] ip6_route_input+0x59c/0xa50 [ 3772.500402][ T73] ipv6_rcv+0x397/0x810 [ 3772.500402][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3772.500402][ T73] process_backlog+0x101/0x620 [ 3772.500402][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3772.500402][ T73] net_rx_action+0x495/0xbe0 [ 3772.500402][ T73] __do_softirq+0x1b5/0x7f6 [ 3772.500402][ T73] [ 3772.502061][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.502061][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.502061][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.502061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.502061][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3772.502061][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3772.502061][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3772.502061][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3772.502061][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3772.502061][ T73] addrconf_dad_begin+0x310/0x670 [ 3772.502061][ T73] addrconf_dad_work+0x10b/0xab0 [ 3772.502061][ T73] process_one_work+0x84d/0x18a0 [ 3772.502061][ T73] worker_thread+0x587/0xd30 [ 3772.502061][ T73] kthread+0x28a/0x350 [ 3772.502061][ T73] ret_from_fork+0x31/0x70 [ 3772.502061][ T73] ret_from_fork_asm+0x1a/0x30 [ 3772.502061][ T73] [ 3772.503990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.503990][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.503990][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.503990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.503990][ T73] ip6_route_add+0x1c/0x140 [ 3772.503990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3772.503990][ T73] inet6_addr_add+0x4f8/0xa40 [ 3772.503990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.503990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.503990][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.503990][ T73] netlink_unicast+0x449/0x710 [ 3772.503990][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.503990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.503990][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.503990][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.503990][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.503990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.503990][ T73] [ 3772.506021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.506021][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.506021][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.506021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.506021][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3772.506021][ T73] ipv6_add_addr+0x411/0x2000 [ 3772.506021][ T73] inet6_addr_add+0x30e/0xa40 [ 3772.506021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.506021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.506021][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.506021][ T73] netlink_unicast+0x449/0x710 [ 3772.506021][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.506021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.506021][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.506021][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.506021][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.506021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.506021][ T73] [ 3772.508022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.508022][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.508022][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.508022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.508022][ T73] ip6_route_add+0x1c/0x140 [ 3772.508022][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3772.508022][ T73] addrconf_add_dev+0xe2/0x170 [ 3772.508022][ T73] inet6_addr_add+0x12f/0xa40 [ 3772.508022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.508022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.508022][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.508022][ T73] netlink_unicast+0x449/0x710 [ 3772.508022][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.508022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.508022][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.508022][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.508022][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.508022][ T73] [ 3772.509997][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.509997][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3772.509997][ T73] ipv6_find_idev+0x102/0x170 [ 3772.509997][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.509997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.509997][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.509997][ T73] netlink_unicast+0x449/0x710 [ 3772.509997][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.509997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.509997][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.509997][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.509997][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.509997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.509997][ T73] [ 3772.511540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3772.511540][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3772.511540][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3772.511540][ T73] ipv6_find_idev+0x102/0x170 [ 3772.511540][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.511540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.511540][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.511540][ T73] netlink_unicast+0x449/0x710 [ 3772.511540][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.511540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.511540][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.511540][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.511540][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.511540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.511540][ T73] [ 3772.513350][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3772.513619][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.513619][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3772.513619][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3772.513619][ T73] fib6_nh_init+0xa22/0x1580 [ 3772.513619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.513619][ T73] ip6_route_add+0x1c/0x140 [ 3772.513619][ T73] inet6_rtm_newroute+0x104/0x110 [ 3772.513619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.513619][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.513619][ T73] netlink_unicast+0x449/0x710 [ 3772.513619][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.513619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.513619][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.513619][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.513619][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.513619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.513619][ T73] [ 3772.515824][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.515824][ T73] dst_init+0x84/0x4a0 [ 3772.515824][ T73] dst_alloc+0x97/0x150 [ 3772.515824][ T73] ip6_dst_alloc+0x23/0x90 [ 3772.515824][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3772.515824][ T73] ip6_pol_route+0x56f/0x840 [ 3772.515824][ T73] fib6_rule_lookup+0x456/0x630 [ 3772.515824][ T73] ip6_route_input+0x59c/0xa50 [ 3772.515824][ T73] ipv6_rcv+0x397/0x810 [ 3772.515824][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3772.515824][ T73] process_backlog+0x101/0x620 [ 3772.515824][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3772.515824][ T73] net_rx_action+0x495/0xbe0 [ 3772.515824][ T73] __do_softirq+0x1b5/0x7f6 [ 3772.515824][ T73] [ 3772.517644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.517644][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.517644][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.517644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.517644][ T73] ip6_route_add+0x1c/0x140 [ 3772.517644][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3772.517644][ T73] inet6_addr_add+0x4f8/0xa40 [ 3772.517644][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.517644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.517644][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.517644][ T73] netlink_unicast+0x449/0x710 [ 3772.517644][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.517644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.517644][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.517644][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.517644][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.517644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.517644][ T73] [ 3772.519848][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.519848][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.519848][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.519848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.519848][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3772.519848][ T73] ipv6_add_addr+0x411/0x2000 [ 3772.519848][ T73] inet6_addr_add+0x30e/0xa40 [ 3772.519848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.519848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.519848][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.519848][ T73] netlink_unicast+0x449/0x710 [ 3772.519848][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.519848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.519848][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.519848][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.519848][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.519848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.519848][ T73] [ 3772.521985][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.521985][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.521985][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.521985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.521985][ T73] ip6_route_add+0x1c/0x140 [ 3772.521985][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3772.521985][ T73] addrconf_add_dev+0xe2/0x170 [ 3772.521985][ T73] inet6_addr_add+0x12f/0xa40 [ 3772.521985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.521985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.521985][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.521985][ T73] netlink_unicast+0x449/0x710 [ 3772.521985][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.521985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.521985][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.521985][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.521985][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.521985][ T73] [ 3772.524093][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.524093][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3772.524093][ T73] ipv6_find_idev+0x102/0x170 [ 3772.524093][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.524093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.524093][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.524093][ T73] netlink_unicast+0x449/0x710 [ 3772.524093][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.524093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.524093][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.524093][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.524093][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.524093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.524093][ T73] [ 3772.525699][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3772.525699][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3772.525699][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3772.525699][ T73] ipv6_find_idev+0x102/0x170 [ 3772.525699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.525699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.525699][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.525699][ T73] netlink_unicast+0x449/0x710 [ 3772.525699][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.525699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.525699][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.525699][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.525699][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.525699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.525699][ T73] [ 3772.527514][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3772.527780][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3772.527780][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.527780][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.527780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.527780][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3772.527780][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3772.527780][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3772.527780][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3772.527780][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3772.527780][ T73] addrconf_dad_begin+0x310/0x670 [ 3772.527780][ T73] addrconf_dad_work+0x10b/0xab0 [ 3772.527780][ T73] process_one_work+0x84d/0x18a0 [ 3772.527780][ T73] worker_thread+0x587/0xd30 [ 3772.527780][ T73] kthread+0x28a/0x350 [ 3772.527780][ T73] ret_from_fork+0x31/0x70 [ 3772.527780][ T73] ret_from_fork_asm+0x1a/0x30 [ 3772.527780][ T73] [ 3772.529817][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3772.529817][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.529817][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.529817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.529817][ T73] ip6_route_add+0x1c/0x140 [ 3772.529817][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3772.529817][ T73] inet6_addr_add+0x4f8/0xa40 [ 3772.529817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.529817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.529817][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.529817][ T73] netlink_unicast+0x449/0x710 [ 3772.529817][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.529817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.529817][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.529817][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.529817][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.529817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.529817][ T73] [ 3772.531941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3772.531941][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.531941][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.531941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.531941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3772.531941][ T73] ipv6_add_addr+0x411/0x2000 [ 3772.531941][ T73] inet6_addr_add+0x30e/0xa40 [ 3772.531941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.531941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.531941][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.531941][ T73] netlink_unicast+0x449/0x710 [ 3772.531941][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.531941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.531941][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.531941][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.531941][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.531941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.531941][ T73] [ 3772.534060][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3772.534060][ T73] netdev_get_by_index+0x5e/0x80 [ 3772.534060][ T73] fib6_nh_init+0x3d8/0x1580 [ 3772.534060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3772.534060][ T73] ip6_route_add+0x1c/0x140 [ 3772.534060][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3772.534060][ T73] addrconf_add_dev+0xe2/0x170 [ 3772.534060][ T73] inet6_addr_add+0x12f/0xa40 [ 3772.534060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3772.534060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.534060][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.534060][ T73] netlink_unicast+0x449/0x710 [ 3772.534060][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.534060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.534060][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.534060][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.534060][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.534060][ T73] [ 3772.536136][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3772.536136][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3772.536136][ T73] ipv6_find_idev+0x102/0x170 [ 3772.536136][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.536136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.536136][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.536136][ T73] netlink_unicast+0x449/0x710 [ 3772.536136][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.536136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.536136][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.536136][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.536136][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.536136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.536136][ T73] [ 3772.537728][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3772.537728][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3772.537728][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3772.537728][ T73] ipv6_find_idev+0x102/0x170 [ 3772.537728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3772.537728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3772.537728][ T73] netlink_rcv_skb+0x130/0x360 [ 3772.537728][ T73] netlink_unicast+0x449/0x710 [ 3772.537728][ T73] netlink_sendmsg+0x723/0xbe0 [ 3772.537728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3772.537728][ T73] ___sys_sendmsg+0xee/0x170 [ 3772.537728][ T73] __sys_sendmsg+0xcd/0x170 [ 3772.537728][ T73] do_syscall_64+0xc6/0x1e0 [ 3772.537728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3772.537728][ T73] [ 3782.550889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3782.551304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.551304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3782.551304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3782.551304][ T73] fib6_nh_init+0xa22/0x1580 [ 3782.551304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.551304][ T73] ip6_route_add+0x1c/0x140 [ 3782.551304][ T73] inet6_rtm_newroute+0x104/0x110 [ 3782.551304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.551304][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.551304][ T73] netlink_unicast+0x449/0x710 [ 3782.551304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.551304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.551304][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.551304][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.551304][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.551304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.551304][ T73] [ 3782.553353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.553353][ T73] dst_init+0x84/0x4a0 [ 3782.553353][ T73] dst_alloc+0x97/0x150 [ 3782.553353][ T73] ip6_dst_alloc+0x23/0x90 [ 3782.553353][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3782.553353][ T73] ip6_pol_route+0x56f/0x840 [ 3782.553353][ T73] fib6_rule_lookup+0x456/0x630 [ 3782.553353][ T73] ip6_route_input+0x59c/0xa50 [ 3782.553353][ T73] ipv6_rcv+0x397/0x810 [ 3782.553353][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3782.553353][ T73] process_backlog+0x101/0x620 [ 3782.553353][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3782.553353][ T73] net_rx_action+0x495/0xbe0 [ 3782.553353][ T73] __do_softirq+0x1b5/0x7f6 [ 3782.553353][ T73] [ 3782.555143][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.555143][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.555143][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.555143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.555143][ T73] ip6_route_add+0x1c/0x140 [ 3782.555143][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3782.555143][ T73] inet6_addr_add+0x4f8/0xa40 [ 3782.555143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.555143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.555143][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.555143][ T73] netlink_unicast+0x449/0x710 [ 3782.555143][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.555143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.555143][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.555143][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.555143][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.555143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.555143][ T73] [ 3782.557322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.557322][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.557322][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.557322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.557322][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3782.557322][ T73] ipv6_add_addr+0x411/0x2000 [ 3782.557322][ T73] inet6_addr_add+0x30e/0xa40 [ 3782.557322][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.557322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.557322][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.557322][ T73] netlink_unicast+0x449/0x710 [ 3782.557322][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.557322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.557322][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.557322][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.557322][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.557322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.557322][ T73] [ 3782.559521][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.559521][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.559521][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.559521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.559521][ T73] ip6_route_add+0x1c/0x140 [ 3782.559521][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3782.559521][ T73] addrconf_add_dev+0xe2/0x170 [ 3782.559521][ T73] inet6_addr_add+0x12f/0xa40 [ 3782.559521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.559521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.559521][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.559521][ T73] netlink_unicast+0x449/0x710 [ 3782.559521][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.559521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.559521][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.559521][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.559521][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.559521][ T73] [ 3782.561676][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.561676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3782.561676][ T73] ipv6_find_idev+0x102/0x170 [ 3782.561676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.561676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.561676][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.561676][ T73] netlink_unicast+0x449/0x710 [ 3782.561676][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.561676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.561676][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.561676][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.561676][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.561676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.561676][ T73] [ 3782.563363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3782.563363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3782.563363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3782.563363][ T73] ipv6_find_idev+0x102/0x170 [ 3782.563363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.563363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.563363][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.563363][ T73] netlink_unicast+0x449/0x710 [ 3782.563363][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.563363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.563363][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.563363][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.563363][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.563363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.563363][ T73] [ 3782.565206][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3782.565494][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.565494][ T73] dst_init+0x84/0x4a0 [ 3782.565494][ T73] dst_alloc+0x97/0x150 [ 3782.565494][ T73] ip6_dst_alloc+0x23/0x90 [ 3782.565494][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3782.565494][ T73] ip6_pol_route+0x56f/0x840 [ 3782.565494][ T73] fib6_rule_lookup+0x456/0x630 [ 3782.565494][ T73] ip6_route_input+0x59c/0xa50 [ 3782.565494][ T73] ipv6_rcv+0x397/0x810 [ 3782.565494][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3782.565494][ T73] process_backlog+0x101/0x620 [ 3782.565494][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3782.565494][ T73] net_rx_action+0x495/0xbe0 [ 3782.565494][ T73] __do_softirq+0x1b5/0x7f6 [ 3782.565494][ T73] [ 3782.567250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.567250][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.567250][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.567250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.567250][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3782.567250][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3782.567250][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3782.567250][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3782.567250][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3782.567250][ T73] addrconf_dad_begin+0x310/0x670 [ 3782.567250][ T73] addrconf_dad_work+0x10b/0xab0 [ 3782.567250][ T73] process_one_work+0x84d/0x18a0 [ 3782.567250][ T73] worker_thread+0x587/0xd30 [ 3782.567250][ T73] kthread+0x28a/0x350 [ 3782.567250][ T73] ret_from_fork+0x31/0x70 [ 3782.567250][ T73] ret_from_fork_asm+0x1a/0x30 [ 3782.567250][ T73] [ 3782.569295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.569295][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.569295][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.569295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.569295][ T73] ip6_route_add+0x1c/0x140 [ 3782.569295][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3782.569295][ T73] inet6_addr_add+0x4f8/0xa40 [ 3782.569295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.569295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.569295][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.569295][ T73] netlink_unicast+0x449/0x710 [ 3782.569295][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.569295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.569295][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.569295][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.569295][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.569295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.569295][ T73] [ 3782.571429][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.571429][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.571429][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.571429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.571429][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3782.571429][ T73] ipv6_add_addr+0x411/0x2000 [ 3782.571429][ T73] inet6_addr_add+0x30e/0xa40 [ 3782.571429][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.571429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.571429][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.571429][ T73] netlink_unicast+0x449/0x710 [ 3782.571429][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.571429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.571429][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.571429][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.571429][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.571429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.571429][ T73] [ 3782.573608][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.573608][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.573608][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.573608][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.573608][ T73] ip6_route_add+0x1c/0x140 [ 3782.573608][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3782.573608][ T73] addrconf_add_dev+0xe2/0x170 [ 3782.573608][ T73] inet6_addr_add+0x12f/0xa40 [ 3782.573608][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.573608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.573608][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.573608][ T73] netlink_unicast+0x449/0x710 [ 3782.573608][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.573608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.573608][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.573608][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.573608][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.573608][ T73] [ 3782.575726][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.575726][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3782.575726][ T73] ipv6_find_idev+0x102/0x170 [ 3782.575726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.575726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.575726][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.575726][ T73] netlink_unicast+0x449/0x710 [ 3782.575726][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.575726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.575726][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.575726][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.575726][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.575726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.575726][ T73] [ 3782.577398][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3782.577398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3782.577398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3782.577398][ T73] ipv6_find_idev+0x102/0x170 [ 3782.577398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.577398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.577398][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.577398][ T73] netlink_unicast+0x449/0x710 [ 3782.577398][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.577398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.577398][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.577398][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.577398][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.577398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.577398][ T73] [ 3782.579361][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3782.579646][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.579646][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3782.579646][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3782.579646][ T73] fib6_nh_init+0xa22/0x1580 [ 3782.579646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.579646][ T73] ip6_route_add+0x1c/0x140 [ 3782.579646][ T73] inet6_rtm_newroute+0x104/0x110 [ 3782.579646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.579646][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.579646][ T73] netlink_unicast+0x449/0x710 [ 3782.579646][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.579646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.579646][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.579646][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.579646][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.579646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.579646][ T73] [ 3782.581936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.581936][ T73] dst_init+0x84/0x4a0 [ 3782.581936][ T73] dst_alloc+0x97/0x150 [ 3782.581936][ T73] ip6_dst_alloc+0x23/0x90 [ 3782.581936][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3782.581936][ T73] ip6_pol_route+0x56f/0x840 [ 3782.581936][ T73] fib6_rule_lookup+0x456/0x630 [ 3782.581936][ T73] ip6_route_input+0x59c/0xa50 [ 3782.581936][ T73] ipv6_rcv+0x397/0x810 [ 3782.581936][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3782.581936][ T73] process_backlog+0x101/0x620 [ 3782.581936][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3782.581936][ T73] net_rx_action+0x495/0xbe0 [ 3782.581936][ T73] __do_softirq+0x1b5/0x7f6 [ 3782.581936][ T73] [ 3782.583877][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.583877][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.583877][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.583877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.583877][ T73] ip6_route_add+0x1c/0x140 [ 3782.583877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3782.583877][ T73] inet6_addr_add+0x4f8/0xa40 [ 3782.583877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.583877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.583877][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.583877][ T73] netlink_unicast+0x449/0x710 [ 3782.583877][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.583877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.583877][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.583877][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.583877][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.583877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.583877][ T73] [ 3782.586317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.586317][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.586317][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.586317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.586317][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3782.586317][ T73] ipv6_add_addr+0x411/0x2000 [ 3782.586317][ T73] inet6_addr_add+0x30e/0xa40 [ 3782.586317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.586317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.586317][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.586317][ T73] netlink_unicast+0x449/0x710 [ 3782.586317][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.586317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.586317][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.586317][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.586317][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.586317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.586317][ T73] [ 3782.588705][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.588705][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.588705][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.588705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.588705][ T73] ip6_route_add+0x1c/0x140 [ 3782.588705][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3782.588705][ T73] addrconf_add_dev+0xe2/0x170 [ 3782.588705][ T73] inet6_addr_add+0x12f/0xa40 [ 3782.588705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.588705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.588705][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.588705][ T73] netlink_unicast+0x449/0x710 [ 3782.588705][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.588705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.588705][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.588705][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.588705][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.588705][ T73] [ 3782.591083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.591083][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3782.591083][ T73] ipv6_find_idev+0x102/0x170 [ 3782.591083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.591083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.591083][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.591083][ T73] netlink_unicast+0x449/0x710 [ 3782.591083][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.591083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.591083][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.591083][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.591083][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.591083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.591083][ T73] [ 3782.592878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3782.592878][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3782.592878][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3782.592878][ T73] ipv6_find_idev+0x102/0x170 [ 3782.592878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.592878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.592878][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.592878][ T73] netlink_unicast+0x449/0x710 [ 3782.592878][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.592878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.592878][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.592878][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.592878][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.592878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.592878][ T73] [ 3782.595014][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3782.595301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3782.595301][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.595301][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.595301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.595301][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3782.595301][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3782.595301][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3782.595301][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3782.595301][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3782.595301][ T73] addrconf_dad_begin+0x310/0x670 [ 3782.595301][ T73] addrconf_dad_work+0x10b/0xab0 [ 3782.595301][ T73] process_one_work+0x84d/0x18a0 [ 3782.595301][ T73] worker_thread+0x587/0xd30 [ 3782.595301][ T73] kthread+0x28a/0x350 [ 3782.595301][ T73] ret_from_fork+0x31/0x70 [ 3782.595301][ T73] ret_from_fork_asm+0x1a/0x30 [ 3782.595301][ T73] [ 3782.597630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3782.597630][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.597630][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.597630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.597630][ T73] ip6_route_add+0x1c/0x140 [ 3782.597630][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3782.597630][ T73] inet6_addr_add+0x4f8/0xa40 [ 3782.597630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.597630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.597630][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.597630][ T73] netlink_unicast+0x449/0x710 [ 3782.597630][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.597630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.597630][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.597630][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.597630][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.597630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.597630][ T73] [ 3782.600059][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3782.600059][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.600059][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.600059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.600059][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3782.600059][ T73] ipv6_add_addr+0x411/0x2000 [ 3782.600059][ T73] inet6_addr_add+0x30e/0xa40 [ 3782.600059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.600059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.600059][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.600059][ T73] netlink_unicast+0x449/0x710 [ 3782.600059][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.600059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.600059][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.600059][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.600059][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.600059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.600059][ T73] [ 3782.602418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3782.602418][ T73] netdev_get_by_index+0x5e/0x80 [ 3782.602418][ T73] fib6_nh_init+0x3d8/0x1580 [ 3782.602418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3782.602418][ T73] ip6_route_add+0x1c/0x140 [ 3782.602418][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3782.602418][ T73] addrconf_add_dev+0xe2/0x170 [ 3782.602418][ T73] inet6_addr_add+0x12f/0xa40 [ 3782.602418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.602418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.602418][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.602418][ T73] netlink_unicast+0x449/0x710 [ 3782.602418][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.602418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.602418][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.602418][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.602418][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.602418][ T73] [ 3782.604812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3782.604812][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3782.604812][ T73] ipv6_find_idev+0x102/0x170 [ 3782.604812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.604812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.604812][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.604812][ T73] netlink_unicast+0x449/0x710 [ 3782.604812][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.604812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.604812][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.604812][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.604812][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.604812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.604812][ T73] [ 3782.606717][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3782.606717][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3782.606717][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3782.606717][ T73] ipv6_find_idev+0x102/0x170 [ 3782.606717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.606717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.606717][ T73] netlink_rcv_skb+0x130/0x360 [ 3782.606717][ T73] netlink_unicast+0x449/0x710 [ 3782.606717][ T73] netlink_sendmsg+0x723/0xbe0 [ 3782.606717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3782.606717][ T73] ___sys_sendmsg+0xee/0x170 [ 3782.606717][ T73] __sys_sendmsg+0xcd/0x170 [ 3782.606717][ T73] do_syscall_64+0xc6/0x1e0 [ 3782.606717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.606717][ T73] [ 3792.862889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3792.863283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.863283][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3792.863283][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3792.863283][ T73] fib6_nh_init+0xa22/0x1580 [ 3792.863283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.863283][ T73] ip6_route_add+0x1c/0x140 [ 3792.863283][ T73] inet6_rtm_newroute+0x104/0x110 [ 3792.863283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.863283][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.863283][ T73] netlink_unicast+0x449/0x710 [ 3792.863283][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.863283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.863283][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.863283][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.863283][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.863283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.863283][ T73] [ 3792.865183][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.865183][ T73] dst_init+0x84/0x4a0 [ 3792.865183][ T73] dst_alloc+0x97/0x150 [ 3792.865183][ T73] ip6_dst_alloc+0x23/0x90 [ 3792.865183][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3792.865183][ T73] ip6_pol_route+0x56f/0x840 [ 3792.865183][ T73] fib6_rule_lookup+0x456/0x630 [ 3792.865183][ T73] ip6_route_input+0x59c/0xa50 [ 3792.865183][ T73] ipv6_rcv+0x397/0x810 [ 3792.865183][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3792.865183][ T73] process_backlog+0x101/0x620 [ 3792.865183][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3792.865183][ T73] net_rx_action+0x495/0xbe0 [ 3792.865183][ T73] __do_softirq+0x1b5/0x7f6 [ 3792.865183][ T73] [ 3792.866829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.866829][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.866829][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.866829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.866829][ T73] ip6_route_add+0x1c/0x140 [ 3792.866829][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3792.866829][ T73] inet6_addr_add+0x4f8/0xa40 [ 3792.866829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.866829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.866829][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.866829][ T73] netlink_unicast+0x449/0x710 [ 3792.866829][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.866829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.866829][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.866829][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.866829][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.866829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.866829][ T73] [ 3792.868836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.868836][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.868836][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.868836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.868836][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3792.868836][ T73] ipv6_add_addr+0x411/0x2000 [ 3792.868836][ T73] inet6_addr_add+0x30e/0xa40 [ 3792.868836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.868836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.868836][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.868836][ T73] netlink_unicast+0x449/0x710 [ 3792.868836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.868836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.868836][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.868836][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.868836][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.868836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.868836][ T73] [ 3792.870861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.870861][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.870861][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.870861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.870861][ T73] ip6_route_add+0x1c/0x140 [ 3792.870861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3792.870861][ T73] addrconf_add_dev+0xe2/0x170 [ 3792.870861][ T73] inet6_addr_add+0x12f/0xa40 [ 3792.870861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.870861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.870861][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.870861][ T73] netlink_unicast+0x449/0x710 [ 3792.870861][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.870861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.870861][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.870861][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.870861][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.870861][ T73] [ 3792.872855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.872855][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3792.872855][ T73] ipv6_find_idev+0x102/0x170 [ 3792.872855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.872855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.872855][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.872855][ T73] netlink_unicast+0x449/0x710 [ 3792.872855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.872855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.872855][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.872855][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.872855][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.872855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.872855][ T73] [ 3792.874422][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3792.874422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3792.874422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3792.874422][ T73] ipv6_find_idev+0x102/0x170 [ 3792.874422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.874422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.874422][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.874422][ T73] netlink_unicast+0x449/0x710 [ 3792.874422][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.874422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.874422][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.874422][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.874422][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.874422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.874422][ T73] [ 3792.876122][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3792.876398][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.876398][ T73] dst_init+0x84/0x4a0 [ 3792.876398][ T73] dst_alloc+0x97/0x150 [ 3792.876398][ T73] ip6_dst_alloc+0x23/0x90 [ 3792.876398][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3792.876398][ T73] ip6_pol_route+0x56f/0x840 [ 3792.876398][ T73] fib6_rule_lookup+0x456/0x630 [ 3792.876398][ T73] ip6_route_input+0x59c/0xa50 [ 3792.876398][ T73] ipv6_rcv+0x397/0x810 [ 3792.876398][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3792.876398][ T73] process_backlog+0x101/0x620 [ 3792.876398][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3792.876398][ T73] net_rx_action+0x495/0xbe0 [ 3792.876398][ T73] __do_softirq+0x1b5/0x7f6 [ 3792.876398][ T73] [ 3792.878056][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.878056][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.878056][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.878056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.878056][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3792.878056][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3792.878056][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3792.878056][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3792.878056][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3792.878056][ T73] addrconf_dad_begin+0x310/0x670 [ 3792.878056][ T73] addrconf_dad_work+0x10b/0xab0 [ 3792.878056][ T73] process_one_work+0x84d/0x18a0 [ 3792.878056][ T73] worker_thread+0x587/0xd30 [ 3792.878056][ T73] kthread+0x28a/0x350 [ 3792.878056][ T73] ret_from_fork+0x31/0x70 [ 3792.878056][ T73] ret_from_fork_asm+0x1a/0x30 [ 3792.878056][ T73] [ 3792.879997][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.879997][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.879997][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.879997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.879997][ T73] ip6_route_add+0x1c/0x140 [ 3792.879997][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3792.879997][ T73] inet6_addr_add+0x4f8/0xa40 [ 3792.879997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.879997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.879997][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.879997][ T73] netlink_unicast+0x449/0x710 [ 3792.879997][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.879997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.879997][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.879997][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.879997][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.879997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.879997][ T73] [ 3792.882006][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.882006][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.882006][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.882006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.882006][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3792.882006][ T73] ipv6_add_addr+0x411/0x2000 [ 3792.882006][ T73] inet6_addr_add+0x30e/0xa40 [ 3792.882006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.882006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.882006][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.882006][ T73] netlink_unicast+0x449/0x710 [ 3792.882006][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.882006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.882006][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.882006][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.882006][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.882006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.882006][ T73] [ 3792.884008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.884008][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.884008][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.884008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.884008][ T73] ip6_route_add+0x1c/0x140 [ 3792.884008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3792.884008][ T73] addrconf_add_dev+0xe2/0x170 [ 3792.884008][ T73] inet6_addr_add+0x12f/0xa40 [ 3792.884008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.884008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.884008][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.884008][ T73] netlink_unicast+0x449/0x710 [ 3792.884008][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.884008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.884008][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.884008][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.884008][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.884008][ T73] [ 3792.885980][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.885980][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3792.885980][ T73] ipv6_find_idev+0x102/0x170 [ 3792.885980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.885980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.885980][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.885980][ T73] netlink_unicast+0x449/0x710 [ 3792.885980][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.885980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.885980][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.885980][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.885980][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.885980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.885980][ T73] [ 3792.887527][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3792.887527][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3792.887527][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3792.887527][ T73] ipv6_find_idev+0x102/0x170 [ 3792.887527][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.887527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.887527][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.887527][ T73] netlink_unicast+0x449/0x710 [ 3792.887527][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.887527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.887527][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.887527][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.887527][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.887527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.887527][ T73] [ 3792.889353][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3792.889623][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.889623][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3792.889623][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3792.889623][ T73] fib6_nh_init+0xa22/0x1580 [ 3792.889623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.889623][ T73] ip6_route_add+0x1c/0x140 [ 3792.889623][ T73] inet6_rtm_newroute+0x104/0x110 [ 3792.889623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.889623][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.889623][ T73] netlink_unicast+0x449/0x710 [ 3792.889623][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.889623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.889623][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.889623][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.889623][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.889623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.889623][ T73] [ 3792.891829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.891829][ T73] dst_init+0x84/0x4a0 [ 3792.891829][ T73] dst_alloc+0x97/0x150 [ 3792.891829][ T73] ip6_dst_alloc+0x23/0x90 [ 3792.891829][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3792.891829][ T73] ip6_pol_route+0x56f/0x840 [ 3792.891829][ T73] fib6_rule_lookup+0x456/0x630 [ 3792.891829][ T73] ip6_route_input+0x59c/0xa50 [ 3792.891829][ T73] ipv6_rcv+0x397/0x810 [ 3792.891829][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3792.891829][ T73] process_backlog+0x101/0x620 [ 3792.891829][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3792.891829][ T73] net_rx_action+0x495/0xbe0 [ 3792.891829][ T73] __do_softirq+0x1b5/0x7f6 [ 3792.891829][ T73] [ 3792.893661][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.893661][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.893661][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.893661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.893661][ T73] ip6_route_add+0x1c/0x140 [ 3792.893661][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3792.893661][ T73] inet6_addr_add+0x4f8/0xa40 [ 3792.893661][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.893661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.893661][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.893661][ T73] netlink_unicast+0x449/0x710 [ 3792.893661][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.893661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.893661][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.893661][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.893661][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.893661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.893661][ T73] [ 3792.895931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.895931][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.895931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.895931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.895931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3792.895931][ T73] ipv6_add_addr+0x411/0x2000 [ 3792.895931][ T73] inet6_addr_add+0x30e/0xa40 [ 3792.895931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.895931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.895931][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.895931][ T73] netlink_unicast+0x449/0x710 [ 3792.895931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.895931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.895931][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.895931][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.895931][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.895931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.895931][ T73] [ 3792.898131][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.898131][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.898131][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.898131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.898131][ T73] ip6_route_add+0x1c/0x140 [ 3792.898131][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3792.898131][ T73] addrconf_add_dev+0xe2/0x170 [ 3792.898131][ T73] inet6_addr_add+0x12f/0xa40 [ 3792.898131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.898131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.898131][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.898131][ T73] netlink_unicast+0x449/0x710 [ 3792.898131][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.898131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.898131][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.898131][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.898131][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.898131][ T73] [ 3792.900431][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.900431][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3792.900431][ T73] ipv6_find_idev+0x102/0x170 [ 3792.900431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.900431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.900431][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.900431][ T73] netlink_unicast+0x449/0x710 [ 3792.900431][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.900431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.900431][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.900431][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.900431][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.900431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.900431][ T73] [ 3792.902084][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3792.902084][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3792.902084][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3792.902084][ T73] ipv6_find_idev+0x102/0x170 [ 3792.902084][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.902084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.902084][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.902084][ T73] netlink_unicast+0x449/0x710 [ 3792.902084][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.902084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.902084][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.902084][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.902084][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.902084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.902084][ T73] [ 3792.904006][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3792.904276][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3792.904276][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.904276][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.904276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.904276][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3792.904276][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3792.904276][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3792.904276][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3792.904276][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3792.904276][ T73] addrconf_dad_begin+0x310/0x670 [ 3792.904276][ T73] addrconf_dad_work+0x10b/0xab0 [ 3792.904276][ T73] process_one_work+0x84d/0x18a0 [ 3792.904276][ T73] worker_thread+0x587/0xd30 [ 3792.904276][ T73] kthread+0x28a/0x350 [ 3792.904276][ T73] ret_from_fork+0x31/0x70 [ 3792.904276][ T73] ret_from_fork_asm+0x1a/0x30 [ 3792.904276][ T73] [ 3792.906440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3792.906440][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.906440][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.906440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.906440][ T73] ip6_route_add+0x1c/0x140 [ 3792.906440][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3792.906440][ T73] inet6_addr_add+0x4f8/0xa40 [ 3792.906440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.906440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.906440][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.906440][ T73] netlink_unicast+0x449/0x710 [ 3792.906440][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.906440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.906440][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.906440][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.906440][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.906440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.906440][ T73] [ 3792.908707][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3792.908707][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.908707][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.908707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.908707][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3792.908707][ T73] ipv6_add_addr+0x411/0x2000 [ 3792.908707][ T73] inet6_addr_add+0x30e/0xa40 [ 3792.908707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.908707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.908707][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.908707][ T73] netlink_unicast+0x449/0x710 [ 3792.908707][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.908707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.908707][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.908707][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.908707][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.908707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.908707][ T73] [ 3792.910962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3792.910962][ T73] netdev_get_by_index+0x5e/0x80 [ 3792.910962][ T73] fib6_nh_init+0x3d8/0x1580 [ 3792.910962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3792.910962][ T73] ip6_route_add+0x1c/0x140 [ 3792.910962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3792.910962][ T73] addrconf_add_dev+0xe2/0x170 [ 3792.910962][ T73] inet6_addr_add+0x12f/0xa40 [ 3792.910962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.910962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.910962][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.910962][ T73] netlink_unicast+0x449/0x710 [ 3792.910962][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.910962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.910962][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.910962][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.910962][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.910962][ T73] [ 3792.913202][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3792.913202][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3792.913202][ T73] ipv6_find_idev+0x102/0x170 [ 3792.913202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.913202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.913202][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.913202][ T73] netlink_unicast+0x449/0x710 [ 3792.913202][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.913202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.913202][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.913202][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.913202][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.913202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.913202][ T73] [ 3792.914939][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3792.914939][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3792.914939][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3792.914939][ T73] ipv6_find_idev+0x102/0x170 [ 3792.914939][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.914939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.914939][ T73] netlink_rcv_skb+0x130/0x360 [ 3792.914939][ T73] netlink_unicast+0x449/0x710 [ 3792.914939][ T73] netlink_sendmsg+0x723/0xbe0 [ 3792.914939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3792.914939][ T73] ___sys_sendmsg+0xee/0x170 [ 3792.914939][ T73] __sys_sendmsg+0xcd/0x170 [ 3792.914939][ T73] do_syscall_64+0xc6/0x1e0 [ 3792.914939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.914939][ T73] [ 3803.070907][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3803.071318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.071318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3803.071318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3803.071318][ T73] fib6_nh_init+0xa22/0x1580 [ 3803.071318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.071318][ T73] ip6_route_add+0x1c/0x140 [ 3803.071318][ T73] inet6_rtm_newroute+0x104/0x110 [ 3803.071318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.071318][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.071318][ T73] netlink_unicast+0x449/0x710 [ 3803.071318][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.071318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.071318][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.071318][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.071318][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.071318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.071318][ T73] [ 3803.073240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.073240][ T73] dst_init+0x84/0x4a0 [ 3803.073240][ T73] dst_alloc+0x97/0x150 [ 3803.073240][ T73] ip6_dst_alloc+0x23/0x90 [ 3803.073240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3803.073240][ T73] ip6_pol_route+0x56f/0x840 [ 3803.073240][ T73] fib6_rule_lookup+0x456/0x630 [ 3803.073240][ T73] ip6_route_input+0x59c/0xa50 [ 3803.073240][ T73] ipv6_rcv+0x397/0x810 [ 3803.073240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3803.073240][ T73] process_backlog+0x101/0x620 [ 3803.073240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3803.073240][ T73] net_rx_action+0x495/0xbe0 [ 3803.073240][ T73] __do_softirq+0x1b5/0x7f6 [ 3803.073240][ T73] [ 3803.074901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.074901][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.074901][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.074901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.074901][ T73] ip6_route_add+0x1c/0x140 [ 3803.074901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3803.074901][ T73] inet6_addr_add+0x4f8/0xa40 [ 3803.074901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.074901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.074901][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.074901][ T73] netlink_unicast+0x449/0x710 [ 3803.074901][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.074901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.074901][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.074901][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.074901][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.074901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.074901][ T73] [ 3803.076931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.076931][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.076931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.076931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.076931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3803.076931][ T73] ipv6_add_addr+0x411/0x2000 [ 3803.076931][ T73] inet6_addr_add+0x30e/0xa40 [ 3803.076931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.076931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.076931][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.076931][ T73] netlink_unicast+0x449/0x710 [ 3803.076931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.076931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.076931][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.076931][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.076931][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.076931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.076931][ T73] [ 3803.078933][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.078933][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.078933][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.078933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.078933][ T73] ip6_route_add+0x1c/0x140 [ 3803.078933][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3803.078933][ T73] addrconf_add_dev+0xe2/0x170 [ 3803.078933][ T73] inet6_addr_add+0x12f/0xa40 [ 3803.078933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.078933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.078933][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.078933][ T73] netlink_unicast+0x449/0x710 [ 3803.078933][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.078933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.078933][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.078933][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.078933][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.078933][ T73] [ 3803.080907][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.080907][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3803.080907][ T73] ipv6_find_idev+0x102/0x170 [ 3803.080907][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.080907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.080907][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.080907][ T73] netlink_unicast+0x449/0x710 [ 3803.080907][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.080907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.080907][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.080907][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.080907][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.080907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.080907][ T73] [ 3803.082459][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3803.082459][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3803.082459][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3803.082459][ T73] ipv6_find_idev+0x102/0x170 [ 3803.082459][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.082459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.082459][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.082459][ T73] netlink_unicast+0x449/0x710 [ 3803.082459][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.082459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.082459][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.082459][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.082459][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.082459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.082459][ T73] [ 3803.084196][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3803.084474][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.084474][ T73] dst_init+0x84/0x4a0 [ 3803.084474][ T73] dst_alloc+0x97/0x150 [ 3803.084474][ T73] ip6_dst_alloc+0x23/0x90 [ 3803.084474][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3803.084474][ T73] ip6_pol_route+0x56f/0x840 [ 3803.084474][ T73] fib6_rule_lookup+0x456/0x630 [ 3803.084474][ T73] ip6_route_input+0x59c/0xa50 [ 3803.084474][ T73] ipv6_rcv+0x397/0x810 [ 3803.084474][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3803.084474][ T73] process_backlog+0x101/0x620 [ 3803.084474][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3803.084474][ T73] net_rx_action+0x495/0xbe0 [ 3803.084474][ T73] __do_softirq+0x1b5/0x7f6 [ 3803.084474][ T73] [ 3803.086121][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.086121][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.086121][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.086121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.086121][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3803.086121][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3803.086121][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3803.086121][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3803.086121][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3803.086121][ T73] addrconf_dad_begin+0x310/0x670 [ 3803.086121][ T73] addrconf_dad_work+0x10b/0xab0 [ 3803.086121][ T73] process_one_work+0x84d/0x18a0 [ 3803.086121][ T73] worker_thread+0x587/0xd30 [ 3803.086121][ T73] kthread+0x28a/0x350 [ 3803.086121][ T73] ret_from_fork+0x31/0x70 [ 3803.086121][ T73] ret_from_fork_asm+0x1a/0x30 [ 3803.086121][ T73] [ 3803.088038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.088038][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.088038][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.088038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.088038][ T73] ip6_route_add+0x1c/0x140 [ 3803.088038][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3803.088038][ T73] inet6_addr_add+0x4f8/0xa40 [ 3803.088038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.088038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.088038][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.088038][ T73] netlink_unicast+0x449/0x710 [ 3803.088038][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.088038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.088038][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.088038][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.088038][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.088038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.088038][ T73] [ 3803.090047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.090047][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.090047][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.090047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.090047][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3803.090047][ T73] ipv6_add_addr+0x411/0x2000 [ 3803.090047][ T73] inet6_addr_add+0x30e/0xa40 [ 3803.090047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.090047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.090047][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.090047][ T73] netlink_unicast+0x449/0x710 [ 3803.090047][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.090047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.090047][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.090047][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.090047][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.090047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.090047][ T73] [ 3803.092078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.092078][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.092078][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.092078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.092078][ T73] ip6_route_add+0x1c/0x140 [ 3803.092078][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3803.092078][ T73] addrconf_add_dev+0xe2/0x170 [ 3803.092078][ T73] inet6_addr_add+0x12f/0xa40 [ 3803.092078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.092078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.092078][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.092078][ T73] netlink_unicast+0x449/0x710 [ 3803.092078][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.092078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.092078][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.092078][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.092078][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.092078][ T73] [ 3803.094063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.094063][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3803.094063][ T73] ipv6_find_idev+0x102/0x170 [ 3803.094063][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.094063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.094063][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.094063][ T73] netlink_unicast+0x449/0x710 [ 3803.094063][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.094063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.094063][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.094063][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.094063][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.094063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.094063][ T73] [ 3803.095619][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3803.095619][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3803.095619][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3803.095619][ T73] ipv6_find_idev+0x102/0x170 [ 3803.095619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.095619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.095619][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.095619][ T73] netlink_unicast+0x449/0x710 [ 3803.095619][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.095619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.095619][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.095619][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.095619][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.095619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.095619][ T73] [ 3803.097439][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3803.097704][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.097704][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3803.097704][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3803.097704][ T73] fib6_nh_init+0xa22/0x1580 [ 3803.097704][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.097704][ T73] ip6_route_add+0x1c/0x140 [ 3803.097704][ T73] inet6_rtm_newroute+0x104/0x110 [ 3803.097704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.097704][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.097704][ T73] netlink_unicast+0x449/0x710 [ 3803.097704][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.097704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.097704][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.097704][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.097704][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.097704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.097704][ T73] [ 3803.099896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.099896][ T73] dst_init+0x84/0x4a0 [ 3803.099896][ T73] dst_alloc+0x97/0x150 [ 3803.099896][ T73] ip6_dst_alloc+0x23/0x90 [ 3803.099896][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3803.099896][ T73] ip6_pol_route+0x56f/0x840 [ 3803.099896][ T73] fib6_rule_lookup+0x456/0x630 [ 3803.099896][ T73] ip6_route_input+0x59c/0xa50 [ 3803.099896][ T73] ipv6_rcv+0x397/0x810 [ 3803.099896][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3803.099896][ T73] process_backlog+0x101/0x620 [ 3803.099896][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3803.099896][ T73] net_rx_action+0x495/0xbe0 [ 3803.099896][ T73] __do_softirq+0x1b5/0x7f6 [ 3803.099896][ T73] [ 3803.101710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.101710][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.101710][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.101710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.101710][ T73] ip6_route_add+0x1c/0x140 [ 3803.101710][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3803.101710][ T73] inet6_addr_add+0x4f8/0xa40 [ 3803.101710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.101710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.101710][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.101710][ T73] netlink_unicast+0x449/0x710 [ 3803.101710][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.101710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.101710][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.101710][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.101710][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.101710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.101710][ T73] [ 3803.103952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.103952][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.103952][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.103952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.103952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3803.103952][ T73] ipv6_add_addr+0x411/0x2000 [ 3803.103952][ T73] inet6_addr_add+0x30e/0xa40 [ 3803.103952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.103952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.103952][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.103952][ T73] netlink_unicast+0x449/0x710 [ 3803.103952][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.103952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.103952][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.103952][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.103952][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.103952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.103952][ T73] [ 3803.106206][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.106206][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.106206][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.106206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.106206][ T73] ip6_route_add+0x1c/0x140 [ 3803.106206][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3803.106206][ T73] addrconf_add_dev+0xe2/0x170 [ 3803.106206][ T73] inet6_addr_add+0x12f/0xa40 [ 3803.106206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.106206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.106206][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.106206][ T73] netlink_unicast+0x449/0x710 [ 3803.106206][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.106206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.106206][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.106206][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.106206][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.106206][ T73] [ 3803.108478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.108478][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3803.108478][ T73] ipv6_find_idev+0x102/0x170 [ 3803.108478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.108478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.108478][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.108478][ T73] netlink_unicast+0x449/0x710 [ 3803.108478][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.108478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.108478][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.108478][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.108478][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.108478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.108478][ T73] [ 3803.110148][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3803.110148][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3803.110148][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3803.110148][ T73] ipv6_find_idev+0x102/0x170 [ 3803.110148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.110148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.110148][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.110148][ T73] netlink_unicast+0x449/0x710 [ 3803.110148][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.110148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.110148][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.110148][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.110148][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.110148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.110148][ T73] [ 3803.112086][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3803.112357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3803.112357][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.112357][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.112357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.112357][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3803.112357][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3803.112357][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3803.112357][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3803.112357][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3803.112357][ T73] addrconf_dad_begin+0x310/0x670 [ 3803.112357][ T73] addrconf_dad_work+0x10b/0xab0 [ 3803.112357][ T73] process_one_work+0x84d/0x18a0 [ 3803.112357][ T73] worker_thread+0x587/0xd30 [ 3803.112357][ T73] kthread+0x28a/0x350 [ 3803.112357][ T73] ret_from_fork+0x31/0x70 [ 3803.112357][ T73] ret_from_fork_asm+0x1a/0x30 [ 3803.112357][ T73] [ 3803.114527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3803.114527][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.114527][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.114527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.114527][ T73] ip6_route_add+0x1c/0x140 [ 3803.114527][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3803.114527][ T73] inet6_addr_add+0x4f8/0xa40 [ 3803.114527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.114527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.114527][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.114527][ T73] netlink_unicast+0x449/0x710 [ 3803.114527][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.114527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.114527][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.114527][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.114527][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.114527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.114527][ T73] [ 3803.116785][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3803.116785][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.116785][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.116785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.116785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3803.116785][ T73] ipv6_add_addr+0x411/0x2000 [ 3803.116785][ T73] inet6_addr_add+0x30e/0xa40 [ 3803.116785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.116785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.116785][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.116785][ T73] netlink_unicast+0x449/0x710 [ 3803.116785][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.116785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.116785][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.116785][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.116785][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.116785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.116785][ T73] [ 3803.119056][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3803.119056][ T73] netdev_get_by_index+0x5e/0x80 [ 3803.119056][ T73] fib6_nh_init+0x3d8/0x1580 [ 3803.119056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3803.119056][ T73] ip6_route_add+0x1c/0x140 [ 3803.119056][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3803.119056][ T73] addrconf_add_dev+0xe2/0x170 [ 3803.119056][ T73] inet6_addr_add+0x12f/0xa40 [ 3803.119056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3803.119056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.119056][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.119056][ T73] netlink_unicast+0x449/0x710 [ 3803.119056][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.119056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.119056][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.119056][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.119056][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.119056][ T73] [ 3803.121284][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3803.121284][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3803.121284][ T73] ipv6_find_idev+0x102/0x170 [ 3803.121284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.121284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.121284][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.121284][ T73] netlink_unicast+0x449/0x710 [ 3803.121284][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.121284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.121284][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.121284][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.121284][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.121284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.121284][ T73] [ 3803.123006][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3803.123006][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3803.123006][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3803.123006][ T73] ipv6_find_idev+0x102/0x170 [ 3803.123006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3803.123006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3803.123006][ T73] netlink_rcv_skb+0x130/0x360 [ 3803.123006][ T73] netlink_unicast+0x449/0x710 [ 3803.123006][ T73] netlink_sendmsg+0x723/0xbe0 [ 3803.123006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3803.123006][ T73] ___sys_sendmsg+0xee/0x170 [ 3803.123006][ T73] __sys_sendmsg+0xcd/0x170 [ 3803.123006][ T73] do_syscall_64+0xc6/0x1e0 [ 3803.123006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3803.123006][ T73] [ 3813.366887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3813.367280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.367280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3813.367280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3813.367280][ T73] fib6_nh_init+0xa22/0x1580 [ 3813.367280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.367280][ T73] ip6_route_add+0x1c/0x140 [ 3813.367280][ T73] inet6_rtm_newroute+0x104/0x110 [ 3813.367280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.367280][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.367280][ T73] netlink_unicast+0x449/0x710 [ 3813.367280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.367280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.367280][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.367280][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.367280][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.367280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.367280][ T73] [ 3813.369163][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.369163][ T73] dst_init+0x84/0x4a0 [ 3813.369163][ T73] dst_alloc+0x97/0x150 [ 3813.369163][ T73] ip6_dst_alloc+0x23/0x90 [ 3813.369163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3813.369163][ T73] ip6_pol_route+0x56f/0x840 [ 3813.369163][ T73] fib6_rule_lookup+0x456/0x630 [ 3813.369163][ T73] ip6_route_input+0x59c/0xa50 [ 3813.369163][ T73] ipv6_rcv+0x397/0x810 [ 3813.369163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3813.369163][ T73] process_backlog+0x101/0x620 [ 3813.369163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3813.369163][ T73] net_rx_action+0x495/0xbe0 [ 3813.369163][ T73] __do_softirq+0x1b5/0x7f6 [ 3813.369163][ T73] [ 3813.370804][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.370804][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.370804][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.370804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.370804][ T73] ip6_route_add+0x1c/0x140 [ 3813.370804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3813.370804][ T73] inet6_addr_add+0x4f8/0xa40 [ 3813.370804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.370804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.370804][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.370804][ T73] netlink_unicast+0x449/0x710 [ 3813.370804][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.370804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.370804][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.370804][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.370804][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.370804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.370804][ T73] [ 3813.372821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.372821][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.372821][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.372821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.372821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3813.372821][ T73] ipv6_add_addr+0x411/0x2000 [ 3813.372821][ T73] inet6_addr_add+0x30e/0xa40 [ 3813.372821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.372821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.372821][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.372821][ T73] netlink_unicast+0x449/0x710 [ 3813.372821][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.372821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.372821][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.372821][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.372821][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.372821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.372821][ T73] [ 3813.374845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.374845][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.374845][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.374845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.374845][ T73] ip6_route_add+0x1c/0x140 [ 3813.374845][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3813.374845][ T73] addrconf_add_dev+0xe2/0x170 [ 3813.374845][ T73] inet6_addr_add+0x12f/0xa40 [ 3813.374845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.374845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.374845][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.374845][ T73] netlink_unicast+0x449/0x710 [ 3813.374845][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.374845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.374845][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.374845][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.374845][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.374845][ T73] [ 3813.376821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.376821][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3813.376821][ T73] ipv6_find_idev+0x102/0x170 [ 3813.376821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.376821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.376821][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.376821][ T73] netlink_unicast+0x449/0x710 [ 3813.376821][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.376821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.376821][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.376821][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.376821][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.376821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.376821][ T73] [ 3813.378367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3813.378367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3813.378367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3813.378367][ T73] ipv6_find_idev+0x102/0x170 [ 3813.378367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.378367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.378367][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.378367][ T73] netlink_unicast+0x449/0x710 [ 3813.378367][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.378367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.378367][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.378367][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.378367][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.378367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.378367][ T73] [ 3813.380060][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3813.380344][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.380344][ T73] dst_init+0x84/0x4a0 [ 3813.380344][ T73] dst_alloc+0x97/0x150 [ 3813.380344][ T73] ip6_dst_alloc+0x23/0x90 [ 3813.380344][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3813.380344][ T73] ip6_pol_route+0x56f/0x840 [ 3813.380344][ T73] fib6_rule_lookup+0x456/0x630 [ 3813.380344][ T73] ip6_route_input+0x59c/0xa50 [ 3813.380344][ T73] ipv6_rcv+0x397/0x810 [ 3813.380344][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3813.380344][ T73] process_backlog+0x101/0x620 [ 3813.380344][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3813.380344][ T73] net_rx_action+0x495/0xbe0 [ 3813.380344][ T73] __do_softirq+0x1b5/0x7f6 [ 3813.380344][ T73] [ 3813.381995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.381995][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.381995][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.381995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.381995][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3813.381995][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3813.381995][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3813.381995][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3813.381995][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3813.381995][ T73] addrconf_dad_begin+0x310/0x670 [ 3813.381995][ T73] addrconf_dad_work+0x10b/0xab0 [ 3813.381995][ T73] process_one_work+0x84d/0x18a0 [ 3813.381995][ T73] worker_thread+0x587/0xd30 [ 3813.381995][ T73] kthread+0x28a/0x350 [ 3813.381995][ T73] ret_from_fork+0x31/0x70 [ 3813.381995][ T73] ret_from_fork_asm+0x1a/0x30 [ 3813.381995][ T73] [ 3813.383923][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.383923][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.383923][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.383923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.383923][ T73] ip6_route_add+0x1c/0x140 [ 3813.383923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3813.383923][ T73] inet6_addr_add+0x4f8/0xa40 [ 3813.383923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.383923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.383923][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.383923][ T73] netlink_unicast+0x449/0x710 [ 3813.383923][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.383923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.383923][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.383923][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.383923][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.383923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.383923][ T73] [ 3813.385938][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.385938][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.385938][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.385938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.385938][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3813.385938][ T73] ipv6_add_addr+0x411/0x2000 [ 3813.385938][ T73] inet6_addr_add+0x30e/0xa40 [ 3813.385938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.385938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.385938][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.385938][ T73] netlink_unicast+0x449/0x710 [ 3813.385938][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.385938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.385938][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.385938][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.385938][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.385938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.385938][ T73] [ 3813.387926][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.387926][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.387926][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.387926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.387926][ T73] ip6_route_add+0x1c/0x140 [ 3813.387926][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3813.387926][ T73] addrconf_add_dev+0xe2/0x170 [ 3813.387926][ T73] inet6_addr_add+0x12f/0xa40 [ 3813.387926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.387926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.387926][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.387926][ T73] netlink_unicast+0x449/0x710 [ 3813.387926][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.387926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.387926][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.387926][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.387926][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.387926][ T73] [ 3813.389876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.389876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3813.389876][ T73] ipv6_find_idev+0x102/0x170 [ 3813.389876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.389876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.389876][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.389876][ T73] netlink_unicast+0x449/0x710 [ 3813.389876][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.389876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.389876][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.389876][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.389876][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.389876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.389876][ T73] [ 3813.391409][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3813.391409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3813.391409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3813.391409][ T73] ipv6_find_idev+0x102/0x170 [ 3813.391409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.391409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.391409][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.391409][ T73] netlink_unicast+0x449/0x710 [ 3813.391409][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.391409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.391409][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.391409][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.391409][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.391409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.391409][ T73] [ 3813.393237][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3813.393516][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.393516][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3813.393516][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3813.393516][ T73] fib6_nh_init+0xa22/0x1580 [ 3813.393516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.393516][ T73] ip6_route_add+0x1c/0x140 [ 3813.393516][ T73] inet6_rtm_newroute+0x104/0x110 [ 3813.393516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.393516][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.393516][ T73] netlink_unicast+0x449/0x710 [ 3813.393516][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.393516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.393516][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.393516][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.393516][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.393516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.393516][ T73] [ 3813.395714][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.395714][ T73] dst_init+0x84/0x4a0 [ 3813.395714][ T73] dst_alloc+0x97/0x150 [ 3813.395714][ T73] ip6_dst_alloc+0x23/0x90 [ 3813.395714][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3813.395714][ T73] ip6_pol_route+0x56f/0x840 [ 3813.395714][ T73] fib6_rule_lookup+0x456/0x630 [ 3813.395714][ T73] ip6_route_input+0x59c/0xa50 [ 3813.395714][ T73] ipv6_rcv+0x397/0x810 [ 3813.395714][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3813.395714][ T73] process_backlog+0x101/0x620 [ 3813.395714][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3813.395714][ T73] net_rx_action+0x495/0xbe0 [ 3813.395714][ T73] __do_softirq+0x1b5/0x7f6 [ 3813.395714][ T73] [ 3813.397543][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.397543][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.397543][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.397543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.397543][ T73] ip6_route_add+0x1c/0x140 [ 3813.397543][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3813.397543][ T73] inet6_addr_add+0x4f8/0xa40 [ 3813.397543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.397543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.397543][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.397543][ T73] netlink_unicast+0x449/0x710 [ 3813.397543][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.397543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.397543][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.397543][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.397543][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.397543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.397543][ T73] [ 3813.399854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.399854][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.399854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.399854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.399854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3813.399854][ T73] ipv6_add_addr+0x411/0x2000 [ 3813.399854][ T73] inet6_addr_add+0x30e/0xa40 [ 3813.399854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.399854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.399854][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.399854][ T73] netlink_unicast+0x449/0x710 [ 3813.399854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.399854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.399854][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.399854][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.399854][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.399854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.399854][ T73] [ 3813.402116][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.402116][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.402116][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.402116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.402116][ T73] ip6_route_add+0x1c/0x140 [ 3813.402116][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3813.402116][ T73] addrconf_add_dev+0xe2/0x170 [ 3813.402116][ T73] inet6_addr_add+0x12f/0xa40 [ 3813.402116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.402116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.402116][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.402116][ T73] netlink_unicast+0x449/0x710 [ 3813.402116][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.402116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.402116][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.402116][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.402116][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.402116][ T73] [ 3813.404417][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.404417][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3813.404417][ T73] ipv6_find_idev+0x102/0x170 [ 3813.404417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.404417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.404417][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.404417][ T73] netlink_unicast+0x449/0x710 [ 3813.404417][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.404417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.404417][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.404417][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.404417][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.404417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.404417][ T73] [ 3813.406138][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3813.406138][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3813.406138][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3813.406138][ T73] ipv6_find_idev+0x102/0x170 [ 3813.406138][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.406138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.406138][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.406138][ T73] netlink_unicast+0x449/0x710 [ 3813.406138][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.406138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.406138][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.406138][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.406138][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.406138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.406138][ T73] [ 3813.407999][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3813.408268][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3813.408268][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.408268][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.408268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.408268][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3813.408268][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3813.408268][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3813.408268][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3813.408268][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3813.408268][ T73] addrconf_dad_begin+0x310/0x670 [ 3813.408268][ T73] addrconf_dad_work+0x10b/0xab0 [ 3813.408268][ T73] process_one_work+0x84d/0x18a0 [ 3813.408268][ T73] worker_thread+0x587/0xd30 [ 3813.408268][ T73] kthread+0x28a/0x350 [ 3813.408268][ T73] ret_from_fork+0x31/0x70 [ 3813.408268][ T73] ret_from_fork_asm+0x1a/0x30 [ 3813.408268][ T73] [ 3813.410416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3813.410416][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.410416][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.410416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.410416][ T73] ip6_route_add+0x1c/0x140 [ 3813.410416][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3813.410416][ T73] inet6_addr_add+0x4f8/0xa40 [ 3813.410416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.410416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.410416][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.410416][ T73] netlink_unicast+0x449/0x710 [ 3813.410416][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.410416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.410416][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.410416][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.410416][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.410416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.410416][ T73] [ 3813.412674][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3813.412674][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.412674][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.412674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.412674][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3813.412674][ T73] ipv6_add_addr+0x411/0x2000 [ 3813.412674][ T73] inet6_addr_add+0x30e/0xa40 [ 3813.412674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.412674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.412674][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.412674][ T73] netlink_unicast+0x449/0x710 [ 3813.412674][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.412674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.412674][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.412674][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.412674][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.412674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.412674][ T73] [ 3813.414990][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3813.414990][ T73] netdev_get_by_index+0x5e/0x80 [ 3813.414990][ T73] fib6_nh_init+0x3d8/0x1580 [ 3813.414990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3813.414990][ T73] ip6_route_add+0x1c/0x140 [ 3813.414990][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3813.414990][ T73] addrconf_add_dev+0xe2/0x170 [ 3813.414990][ T73] inet6_addr_add+0x12f/0xa40 [ 3813.414990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3813.414990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.414990][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.414990][ T73] netlink_unicast+0x449/0x710 [ 3813.414990][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.414990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.414990][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.414990][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.414990][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.414990][ T73] [ 3813.417176][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3813.417176][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3813.417176][ T73] ipv6_find_idev+0x102/0x170 [ 3813.417176][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.417176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.417176][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.417176][ T73] netlink_unicast+0x449/0x710 [ 3813.417176][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.417176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.417176][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.417176][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.417176][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.417176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.417176][ T73] [ 3813.418900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3813.418900][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3813.418900][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3813.418900][ T73] ipv6_find_idev+0x102/0x170 [ 3813.418900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3813.418900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3813.418900][ T73] netlink_rcv_skb+0x130/0x360 [ 3813.418900][ T73] netlink_unicast+0x449/0x710 [ 3813.418900][ T73] netlink_sendmsg+0x723/0xbe0 [ 3813.418900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3813.418900][ T73] ___sys_sendmsg+0xee/0x170 [ 3813.418900][ T73] __sys_sendmsg+0xcd/0x170 [ 3813.418900][ T73] do_syscall_64+0xc6/0x1e0 [ 3813.418900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3813.418900][ T73] [ 3823.430882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3823.431268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.431268][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3823.431268][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3823.431268][ T73] fib6_nh_init+0xa22/0x1580 [ 3823.431268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.431268][ T73] ip6_route_add+0x1c/0x140 [ 3823.431268][ T73] inet6_rtm_newroute+0x104/0x110 [ 3823.431268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.431268][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.431268][ T73] netlink_unicast+0x449/0x710 [ 3823.431268][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.431268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.431268][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.431268][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.431268][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.431268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.431268][ T73] [ 3823.433188][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.433188][ T73] dst_init+0x84/0x4a0 [ 3823.433188][ T73] dst_alloc+0x97/0x150 [ 3823.433188][ T73] ip6_dst_alloc+0x23/0x90 [ 3823.433188][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3823.433188][ T73] ip6_pol_route+0x56f/0x840 [ 3823.433188][ T73] fib6_rule_lookup+0x456/0x630 [ 3823.433188][ T73] ip6_route_input+0x59c/0xa50 [ 3823.433188][ T73] ipv6_rcv+0x397/0x810 [ 3823.433188][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3823.433188][ T73] process_backlog+0x101/0x620 [ 3823.433188][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3823.433188][ T73] net_rx_action+0x495/0xbe0 [ 3823.433188][ T73] __do_softirq+0x1b5/0x7f6 [ 3823.433188][ T73] [ 3823.434842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.434842][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.434842][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.434842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.434842][ T73] ip6_route_add+0x1c/0x140 [ 3823.434842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3823.434842][ T73] inet6_addr_add+0x4f8/0xa40 [ 3823.434842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.434842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.434842][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.434842][ T73] netlink_unicast+0x449/0x710 [ 3823.434842][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.434842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.434842][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.434842][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.434842][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.434842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.434842][ T73] [ 3823.436865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.436865][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.436865][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.436865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.436865][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3823.436865][ T73] ipv6_add_addr+0x411/0x2000 [ 3823.436865][ T73] inet6_addr_add+0x30e/0xa40 [ 3823.436865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.436865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.436865][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.436865][ T73] netlink_unicast+0x449/0x710 [ 3823.436865][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.436865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.436865][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.436865][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.436865][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.436865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.436865][ T73] [ 3823.438902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.438902][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.438902][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.438902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.438902][ T73] ip6_route_add+0x1c/0x140 [ 3823.438902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3823.438902][ T73] addrconf_add_dev+0xe2/0x170 [ 3823.438902][ T73] inet6_addr_add+0x12f/0xa40 [ 3823.438902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.438902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.438902][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.438902][ T73] netlink_unicast+0x449/0x710 [ 3823.438902][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.438902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.438902][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.438902][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.438902][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.438902][ T73] [ 3823.440887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.440887][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3823.440887][ T73] ipv6_find_idev+0x102/0x170 [ 3823.440887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.440887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.440887][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.440887][ T73] netlink_unicast+0x449/0x710 [ 3823.440887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.440887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.440887][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.440887][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.440887][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.440887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.440887][ T73] [ 3823.442427][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3823.442427][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3823.442427][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3823.442427][ T73] ipv6_find_idev+0x102/0x170 [ 3823.442427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.442427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.442427][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.442427][ T73] netlink_unicast+0x449/0x710 [ 3823.442427][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.442427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.442427][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.442427][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.442427][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.442427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.442427][ T73] [ 3823.444109][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3823.444380][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.444380][ T73] dst_init+0x84/0x4a0 [ 3823.444380][ T73] dst_alloc+0x97/0x150 [ 3823.444380][ T73] ip6_dst_alloc+0x23/0x90 [ 3823.444380][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3823.444380][ T73] ip6_pol_route+0x56f/0x840 [ 3823.444380][ T73] fib6_rule_lookup+0x456/0x630 [ 3823.444380][ T73] ip6_route_input+0x59c/0xa50 [ 3823.444380][ T73] ipv6_rcv+0x397/0x810 [ 3823.444380][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3823.444380][ T73] process_backlog+0x101/0x620 [ 3823.444380][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3823.444380][ T73] net_rx_action+0x495/0xbe0 [ 3823.444380][ T73] __do_softirq+0x1b5/0x7f6 [ 3823.444380][ T73] [ 3823.446012][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.446012][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.446012][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.446012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.446012][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3823.446012][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3823.446012][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3823.446012][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3823.446012][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3823.446012][ T73] addrconf_dad_begin+0x310/0x670 [ 3823.446012][ T73] addrconf_dad_work+0x10b/0xab0 [ 3823.446012][ T73] process_one_work+0x84d/0x18a0 [ 3823.446012][ T73] worker_thread+0x587/0xd30 [ 3823.446012][ T73] kthread+0x28a/0x350 [ 3823.446012][ T73] ret_from_fork+0x31/0x70 [ 3823.446012][ T73] ret_from_fork_asm+0x1a/0x30 [ 3823.446012][ T73] [ 3823.447929][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.447929][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.447929][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.447929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.447929][ T73] ip6_route_add+0x1c/0x140 [ 3823.447929][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3823.447929][ T73] inet6_addr_add+0x4f8/0xa40 [ 3823.447929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.447929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.447929][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.447929][ T73] netlink_unicast+0x449/0x710 [ 3823.447929][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.447929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.447929][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.447929][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.447929][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.447929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.447929][ T73] [ 3823.449941][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.449941][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.449941][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.449941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.449941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3823.449941][ T73] ipv6_add_addr+0x411/0x2000 [ 3823.449941][ T73] inet6_addr_add+0x30e/0xa40 [ 3823.449941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.449941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.449941][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.449941][ T73] netlink_unicast+0x449/0x710 [ 3823.449941][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.449941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.449941][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.449941][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.449941][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.449941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.449941][ T73] [ 3823.451957][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.451957][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.451957][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.451957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.451957][ T73] ip6_route_add+0x1c/0x140 [ 3823.451957][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3823.451957][ T73] addrconf_add_dev+0xe2/0x170 [ 3823.451957][ T73] inet6_addr_add+0x12f/0xa40 [ 3823.451957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.451957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.451957][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.451957][ T73] netlink_unicast+0x449/0x710 [ 3823.451957][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.451957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.451957][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.451957][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.451957][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.451957][ T73] [ 3823.453946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.453946][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3823.453946][ T73] ipv6_find_idev+0x102/0x170 [ 3823.453946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.453946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.453946][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.453946][ T73] netlink_unicast+0x449/0x710 [ 3823.453946][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.453946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.453946][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.453946][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.453946][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.453946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.453946][ T73] [ 3823.456013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3823.456013][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3823.456013][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3823.456013][ T73] ipv6_find_idev+0x102/0x170 [ 3823.456013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.456013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.456013][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.456013][ T73] netlink_unicast+0x449/0x710 [ 3823.456013][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.456013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.456013][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.456013][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.456013][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.456013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.456013][ T73] [ 3823.457839][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3823.458109][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.458109][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3823.458109][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3823.458109][ T73] fib6_nh_init+0xa22/0x1580 [ 3823.458109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.458109][ T73] ip6_route_add+0x1c/0x140 [ 3823.458109][ T73] inet6_rtm_newroute+0x104/0x110 [ 3823.458109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.458109][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.458109][ T73] netlink_unicast+0x449/0x710 [ 3823.458109][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.458109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.458109][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.458109][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.458109][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.458109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.458109][ T73] [ 3823.460240][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.460240][ T73] dst_init+0x84/0x4a0 [ 3823.460240][ T73] dst_alloc+0x97/0x150 [ 3823.460240][ T73] ip6_dst_alloc+0x23/0x90 [ 3823.460240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3823.460240][ T73] ip6_pol_route+0x56f/0x840 [ 3823.460240][ T73] fib6_rule_lookup+0x456/0x630 [ 3823.460240][ T73] ip6_route_input+0x59c/0xa50 [ 3823.460240][ T73] ipv6_rcv+0x397/0x810 [ 3823.460240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3823.460240][ T73] process_backlog+0x101/0x620 [ 3823.460240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3823.460240][ T73] net_rx_action+0x495/0xbe0 [ 3823.460240][ T73] __do_softirq+0x1b5/0x7f6 [ 3823.460240][ T73] [ 3823.462467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.462467][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.462467][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.462467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.462467][ T73] ip6_route_add+0x1c/0x140 [ 3823.462467][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3823.462467][ T73] inet6_addr_add+0x4f8/0xa40 [ 3823.462467][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.462467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.462467][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.462467][ T73] netlink_unicast+0x449/0x710 [ 3823.462467][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.462467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.462467][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.462467][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.462467][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.462467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.462467][ T73] [ 3823.464847][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.464847][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.464847][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.464847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.464847][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3823.464847][ T73] ipv6_add_addr+0x411/0x2000 [ 3823.464847][ T73] inet6_addr_add+0x30e/0xa40 [ 3823.464847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.464847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.464847][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.464847][ T73] netlink_unicast+0x449/0x710 [ 3823.464847][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.464847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.464847][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.464847][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.464847][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.464847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.464847][ T73] [ 3823.467059][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.467059][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.467059][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.467059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.467059][ T73] ip6_route_add+0x1c/0x140 [ 3823.467059][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3823.467059][ T73] addrconf_add_dev+0xe2/0x170 [ 3823.467059][ T73] inet6_addr_add+0x12f/0xa40 [ 3823.467059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.467059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.467059][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.467059][ T73] netlink_unicast+0x449/0x710 [ 3823.467059][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.467059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.467059][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.467059][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.467059][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.467059][ T73] [ 3823.469296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.469296][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3823.469296][ T73] ipv6_find_idev+0x102/0x170 [ 3823.469296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.469296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.469296][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.469296][ T73] netlink_unicast+0x449/0x710 [ 3823.469296][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.469296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.469296][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.469296][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.469296][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.469296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.469296][ T73] [ 3823.471030][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3823.471030][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3823.471030][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3823.471030][ T73] ipv6_find_idev+0x102/0x170 [ 3823.471030][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.471030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.471030][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.471030][ T73] netlink_unicast+0x449/0x710 [ 3823.471030][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.471030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.471030][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.471030][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.471030][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.471030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.471030][ T73] [ 3823.472998][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3823.473274][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3823.473274][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.473274][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.473274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.473274][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3823.473274][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3823.473274][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3823.473274][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3823.473274][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3823.473274][ T73] addrconf_dad_begin+0x310/0x670 [ 3823.473274][ T73] addrconf_dad_work+0x10b/0xab0 [ 3823.473274][ T73] process_one_work+0x84d/0x18a0 [ 3823.473274][ T73] worker_thread+0x587/0xd30 [ 3823.473274][ T73] kthread+0x28a/0x350 [ 3823.473274][ T73] ret_from_fork+0x31/0x70 [ 3823.473274][ T73] ret_from_fork_asm+0x1a/0x30 [ 3823.473274][ T73] [ 3823.475436][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3823.475436][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.475436][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.475436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.475436][ T73] ip6_route_add+0x1c/0x140 [ 3823.475436][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3823.475436][ T73] inet6_addr_add+0x4f8/0xa40 [ 3823.475436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.475436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.475436][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.475436][ T73] netlink_unicast+0x449/0x710 [ 3823.475436][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.475436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.475436][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.475436][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.475436][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.475436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.475436][ T73] [ 3823.477685][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3823.477685][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.477685][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.477685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.477685][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3823.477685][ T73] ipv6_add_addr+0x411/0x2000 [ 3823.477685][ T73] inet6_addr_add+0x30e/0xa40 [ 3823.477685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.477685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.477685][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.477685][ T73] netlink_unicast+0x449/0x710 [ 3823.477685][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.477685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.477685][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.477685][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.477685][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.477685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.477685][ T73] [ 3823.479979][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3823.479979][ T73] netdev_get_by_index+0x5e/0x80 [ 3823.479979][ T73] fib6_nh_init+0x3d8/0x1580 [ 3823.479979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3823.479979][ T73] ip6_route_add+0x1c/0x140 [ 3823.479979][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3823.479979][ T73] addrconf_add_dev+0xe2/0x170 [ 3823.479979][ T73] inet6_addr_add+0x12f/0xa40 [ 3823.479979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.479979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.479979][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.479979][ T73] netlink_unicast+0x449/0x710 [ 3823.479979][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.479979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.479979][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.479979][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.479979][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.479979][ T73] [ 3823.482112][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3823.482112][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3823.482112][ T73] ipv6_find_idev+0x102/0x170 [ 3823.482112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.482112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.482112][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.482112][ T73] netlink_unicast+0x449/0x710 [ 3823.482112][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.482112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.482112][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.482112][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.482112][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.482112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.482112][ T73] [ 3823.483901][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3823.483901][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3823.483901][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3823.483901][ T73] ipv6_find_idev+0x102/0x170 [ 3823.483901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.483901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.483901][ T73] netlink_rcv_skb+0x130/0x360 [ 3823.483901][ T73] netlink_unicast+0x449/0x710 [ 3823.483901][ T73] netlink_sendmsg+0x723/0xbe0 [ 3823.483901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3823.483901][ T73] ___sys_sendmsg+0xee/0x170 [ 3823.483901][ T73] __sys_sendmsg+0xcd/0x170 [ 3823.483901][ T73] do_syscall_64+0xc6/0x1e0 [ 3823.483901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.483901][ T73] [ 3833.726900][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3833.727326][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.727326][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3833.727326][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3833.727326][ T73] fib6_nh_init+0xa22/0x1580 [ 3833.727326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.727326][ T73] ip6_route_add+0x1c/0x140 [ 3833.727326][ T73] inet6_rtm_newroute+0x104/0x110 [ 3833.727326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.727326][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.727326][ T73] netlink_unicast+0x449/0x710 [ 3833.727326][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.727326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.727326][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.727326][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.727326][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.727326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.727326][ T73] [ 3833.729437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.729437][ T73] dst_init+0x84/0x4a0 [ 3833.729437][ T73] dst_alloc+0x97/0x150 [ 3833.729437][ T73] ip6_dst_alloc+0x23/0x90 [ 3833.729437][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3833.729437][ T73] ip6_pol_route+0x56f/0x840 [ 3833.729437][ T73] fib6_rule_lookup+0x456/0x630 [ 3833.729437][ T73] ip6_route_input+0x59c/0xa50 [ 3833.729437][ T73] ipv6_rcv+0x397/0x810 [ 3833.729437][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3833.729437][ T73] process_backlog+0x101/0x620 [ 3833.729437][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3833.729437][ T73] net_rx_action+0x495/0xbe0 [ 3833.729437][ T73] __do_softirq+0x1b5/0x7f6 [ 3833.729437][ T73] [ 3833.731627][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.731627][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.731627][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.731627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.731627][ T73] ip6_route_add+0x1c/0x140 [ 3833.731627][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3833.731627][ T73] inet6_addr_add+0x4f8/0xa40 [ 3833.731627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.731627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.731627][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.731627][ T73] netlink_unicast+0x449/0x710 [ 3833.731627][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.731627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.731627][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.731627][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.731627][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.731627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.731627][ T73] [ 3833.733821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.733821][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.733821][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.733821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.733821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3833.733821][ T73] ipv6_add_addr+0x411/0x2000 [ 3833.733821][ T73] inet6_addr_add+0x30e/0xa40 [ 3833.733821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.733821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.733821][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.733821][ T73] netlink_unicast+0x449/0x710 [ 3833.733821][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.733821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.733821][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.733821][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.733821][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.733821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.733821][ T73] [ 3833.736020][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.736020][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.736020][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.736020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.736020][ T73] ip6_route_add+0x1c/0x140 [ 3833.736020][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.736020][ T73] addrconf_add_dev+0xe2/0x170 [ 3833.736020][ T73] inet6_addr_add+0x12f/0xa40 [ 3833.736020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.736020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.736020][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.736020][ T73] netlink_unicast+0x449/0x710 [ 3833.736020][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.736020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.736020][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.736020][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.736020][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.736020][ T73] [ 3833.738135][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.738135][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3833.738135][ T73] ipv6_find_idev+0x102/0x170 [ 3833.738135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.738135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.738135][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.738135][ T73] netlink_unicast+0x449/0x710 [ 3833.738135][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.738135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.738135][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.738135][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.738135][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.738135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.738135][ T73] [ 3833.739776][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3833.739776][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3833.739776][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3833.739776][ T73] ipv6_find_idev+0x102/0x170 [ 3833.739776][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.739776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.739776][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.739776][ T73] netlink_unicast+0x449/0x710 [ 3833.739776][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.739776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.739776][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.739776][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.739776][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.739776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.739776][ T73] [ 3833.741605][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3833.741903][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.741903][ T73] dst_init+0x84/0x4a0 [ 3833.741903][ T73] dst_alloc+0x97/0x150 [ 3833.741903][ T73] ip6_dst_alloc+0x23/0x90 [ 3833.741903][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3833.741903][ T73] ip6_pol_route+0x56f/0x840 [ 3833.741903][ T73] fib6_rule_lookup+0x456/0x630 [ 3833.741903][ T73] ip6_route_input+0x59c/0xa50 [ 3833.741903][ T73] ipv6_rcv+0x397/0x810 [ 3833.741903][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3833.741903][ T73] process_backlog+0x101/0x620 [ 3833.741903][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3833.741903][ T73] net_rx_action+0x495/0xbe0 [ 3833.741903][ T73] __do_softirq+0x1b5/0x7f6 [ 3833.741903][ T73] [ 3833.743671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.743671][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.743671][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.743671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.743671][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3833.743671][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.743671][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3833.743671][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.743671][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3833.743671][ T73] addrconf_dad_begin+0x310/0x670 [ 3833.743671][ T73] addrconf_dad_work+0x10b/0xab0 [ 3833.743671][ T73] process_one_work+0x84d/0x18a0 [ 3833.743671][ T73] worker_thread+0x587/0xd30 [ 3833.743671][ T73] kthread+0x28a/0x350 [ 3833.743671][ T73] ret_from_fork+0x31/0x70 [ 3833.743671][ T73] ret_from_fork_asm+0x1a/0x30 [ 3833.743671][ T73] [ 3833.745733][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.745733][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.745733][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.745733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.745733][ T73] ip6_route_add+0x1c/0x140 [ 3833.745733][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3833.745733][ T73] inet6_addr_add+0x4f8/0xa40 [ 3833.745733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.745733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.745733][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.745733][ T73] netlink_unicast+0x449/0x710 [ 3833.745733][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.745733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.745733][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.745733][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.745733][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.745733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.745733][ T73] [ 3833.747911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.747911][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.747911][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.747911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.747911][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3833.747911][ T73] ipv6_add_addr+0x411/0x2000 [ 3833.747911][ T73] inet6_addr_add+0x30e/0xa40 [ 3833.747911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.747911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.747911][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.747911][ T73] netlink_unicast+0x449/0x710 [ 3833.747911][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.747911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.747911][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.747911][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.747911][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.747911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.747911][ T73] [ 3833.750095][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.750095][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.750095][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.750095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.750095][ T73] ip6_route_add+0x1c/0x140 [ 3833.750095][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.750095][ T73] addrconf_add_dev+0xe2/0x170 [ 3833.750095][ T73] inet6_addr_add+0x12f/0xa40 [ 3833.750095][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.750095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.750095][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.750095][ T73] netlink_unicast+0x449/0x710 [ 3833.750095][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.750095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.750095][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.750095][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.750095][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.750095][ T73] [ 3833.752228][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.752228][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3833.752228][ T73] ipv6_find_idev+0x102/0x170 [ 3833.752228][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.752228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.752228][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.752228][ T73] netlink_unicast+0x449/0x710 [ 3833.752228][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.752228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.752228][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.752228][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.752228][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.752228][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.752228][ T73] [ 3833.753916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3833.753916][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3833.753916][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3833.753916][ T73] ipv6_find_idev+0x102/0x170 [ 3833.753916][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.753916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.753916][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.753916][ T73] netlink_unicast+0x449/0x710 [ 3833.753916][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.753916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.753916][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.753916][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.753916][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.753916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.753916][ T73] [ 3833.755892][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3833.756179][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.756179][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3833.756179][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3833.756179][ T73] fib6_nh_init+0xa22/0x1580 [ 3833.756179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.756179][ T73] ip6_route_add+0x1c/0x140 [ 3833.756179][ T73] inet6_rtm_newroute+0x104/0x110 [ 3833.756179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.756179][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.756179][ T73] netlink_unicast+0x449/0x710 [ 3833.756179][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.756179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.756179][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.756179][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.756179][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.756179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.756179][ T73] [ 3833.758474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.758474][ T73] dst_init+0x84/0x4a0 [ 3833.758474][ T73] dst_alloc+0x97/0x150 [ 3833.758474][ T73] ip6_dst_alloc+0x23/0x90 [ 3833.758474][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3833.758474][ T73] ip6_pol_route+0x56f/0x840 [ 3833.758474][ T73] fib6_rule_lookup+0x456/0x630 [ 3833.758474][ T73] ip6_route_input+0x59c/0xa50 [ 3833.758474][ T73] ipv6_rcv+0x397/0x810 [ 3833.758474][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3833.758474][ T73] process_backlog+0x101/0x620 [ 3833.758474][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3833.758474][ T73] net_rx_action+0x495/0xbe0 [ 3833.758474][ T73] __do_softirq+0x1b5/0x7f6 [ 3833.758474][ T73] [ 3833.760449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.760449][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.760449][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.760449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.760449][ T73] ip6_route_add+0x1c/0x140 [ 3833.760449][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3833.760449][ T73] inet6_addr_add+0x4f8/0xa40 [ 3833.760449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.760449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.760449][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.760449][ T73] netlink_unicast+0x449/0x710 [ 3833.760449][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.760449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.760449][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.760449][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.760449][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.760449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.760449][ T73] [ 3833.762868][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.762868][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.762868][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.762868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.762868][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3833.762868][ T73] ipv6_add_addr+0x411/0x2000 [ 3833.762868][ T73] inet6_addr_add+0x30e/0xa40 [ 3833.762868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.762868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.762868][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.762868][ T73] netlink_unicast+0x449/0x710 [ 3833.762868][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.762868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.762868][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.762868][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.762868][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.762868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.762868][ T73] [ 3833.765106][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.765106][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.765106][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.765106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.765106][ T73] ip6_route_add+0x1c/0x140 [ 3833.765106][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.765106][ T73] addrconf_add_dev+0xe2/0x170 [ 3833.765106][ T73] inet6_addr_add+0x12f/0xa40 [ 3833.765106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.765106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.765106][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.765106][ T73] netlink_unicast+0x449/0x710 [ 3833.765106][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.765106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.765106][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.765106][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.765106][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.765106][ T73] [ 3833.767371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.767371][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3833.767371][ T73] ipv6_find_idev+0x102/0x170 [ 3833.767371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.767371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.767371][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.767371][ T73] netlink_unicast+0x449/0x710 [ 3833.767371][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.767371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.767371][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.767371][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.767371][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.767371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.767371][ T73] [ 3833.769160][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3833.769160][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3833.769160][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3833.769160][ T73] ipv6_find_idev+0x102/0x170 [ 3833.769160][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.769160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.769160][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.769160][ T73] netlink_unicast+0x449/0x710 [ 3833.769160][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.769160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.769160][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.769160][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.769160][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.769160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.769160][ T73] [ 3833.771035][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3833.771308][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3833.771308][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.771308][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.771308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.771308][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3833.771308][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.771308][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3833.771308][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.771308][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3833.771308][ T73] addrconf_dad_begin+0x310/0x670 [ 3833.771308][ T73] addrconf_dad_work+0x10b/0xab0 [ 3833.771308][ T73] process_one_work+0x84d/0x18a0 [ 3833.771308][ T73] worker_thread+0x587/0xd30 [ 3833.771308][ T73] kthread+0x28a/0x350 [ 3833.771308][ T73] ret_from_fork+0x31/0x70 [ 3833.771308][ T73] ret_from_fork_asm+0x1a/0x30 [ 3833.771308][ T73] [ 3833.773475][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3833.773475][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.773475][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.773475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.773475][ T73] ip6_route_add+0x1c/0x140 [ 3833.773475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3833.773475][ T73] inet6_addr_add+0x4f8/0xa40 [ 3833.773475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.773475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.773475][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.773475][ T73] netlink_unicast+0x449/0x710 [ 3833.773475][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.773475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.773475][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.773475][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.773475][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.773475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.773475][ T73] [ 3833.775768][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3833.775768][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.775768][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.775768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.775768][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3833.775768][ T73] ipv6_add_addr+0x411/0x2000 [ 3833.775768][ T73] inet6_addr_add+0x30e/0xa40 [ 3833.775768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.775768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.775768][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.775768][ T73] netlink_unicast+0x449/0x710 [ 3833.775768][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.775768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.775768][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.775768][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.775768][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.775768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.775768][ T73] [ 3833.778150][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3833.778150][ T73] netdev_get_by_index+0x5e/0x80 [ 3833.778150][ T73] fib6_nh_init+0x3d8/0x1580 [ 3833.778150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3833.778150][ T73] ip6_route_add+0x1c/0x140 [ 3833.778150][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.778150][ T73] addrconf_add_dev+0xe2/0x170 [ 3833.778150][ T73] inet6_addr_add+0x12f/0xa40 [ 3833.778150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.778150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.778150][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.778150][ T73] netlink_unicast+0x449/0x710 [ 3833.778150][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.778150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.778150][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.778150][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.778150][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.778150][ T73] [ 3833.780457][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3833.780457][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3833.780457][ T73] ipv6_find_idev+0x102/0x170 [ 3833.780457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.780457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.780457][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.780457][ T73] netlink_unicast+0x449/0x710 [ 3833.780457][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.780457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.780457][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.780457][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.780457][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.780457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.780457][ T73] [ 3833.782317][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3833.782317][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3833.782317][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3833.782317][ T73] ipv6_find_idev+0x102/0x170 [ 3833.782317][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.782317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.782317][ T73] netlink_rcv_skb+0x130/0x360 [ 3833.782317][ T73] netlink_unicast+0x449/0x710 [ 3833.782317][ T73] netlink_sendmsg+0x723/0xbe0 [ 3833.782317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3833.782317][ T73] ___sys_sendmsg+0xee/0x170 [ 3833.782317][ T73] __sys_sendmsg+0xcd/0x170 [ 3833.782317][ T73] do_syscall_64+0xc6/0x1e0 [ 3833.782317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.782317][ T73] [ 3843.878890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3843.879340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.879340][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3843.879340][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3843.879340][ T73] fib6_nh_init+0xa22/0x1580 [ 3843.879340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.879340][ T73] ip6_route_add+0x1c/0x140 [ 3843.879340][ T73] inet6_rtm_newroute+0x104/0x110 [ 3843.879340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.879340][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.879340][ T73] netlink_unicast+0x449/0x710 [ 3843.879340][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.879340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.879340][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.879340][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.879340][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.879340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.879340][ T73] [ 3843.881230][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.881230][ T73] dst_init+0x84/0x4a0 [ 3843.881230][ T73] dst_alloc+0x97/0x150 [ 3843.881230][ T73] ip6_dst_alloc+0x23/0x90 [ 3843.881230][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3843.881230][ T73] ip6_pol_route+0x56f/0x840 [ 3843.881230][ T73] fib6_rule_lookup+0x456/0x630 [ 3843.881230][ T73] ip6_route_input+0x59c/0xa50 [ 3843.881230][ T73] ipv6_rcv+0x397/0x810 [ 3843.881230][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3843.881230][ T73] process_backlog+0x101/0x620 [ 3843.881230][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3843.881230][ T73] net_rx_action+0x495/0xbe0 [ 3843.881230][ T73] __do_softirq+0x1b5/0x7f6 [ 3843.881230][ T73] [ 3843.882886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.882886][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.882886][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.882886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.882886][ T73] ip6_route_add+0x1c/0x140 [ 3843.882886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3843.882886][ T73] inet6_addr_add+0x4f8/0xa40 [ 3843.882886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.882886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.882886][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.882886][ T73] netlink_unicast+0x449/0x710 [ 3843.882886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.882886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.882886][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.882886][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.882886][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.882886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.882886][ T73] [ 3843.884867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.884867][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.884867][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.884867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.884867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3843.884867][ T73] ipv6_add_addr+0x411/0x2000 [ 3843.884867][ T73] inet6_addr_add+0x30e/0xa40 [ 3843.884867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.884867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.884867][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.884867][ T73] netlink_unicast+0x449/0x710 [ 3843.884867][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.884867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.884867][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.884867][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.884867][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.884867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.884867][ T73] [ 3843.886854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.886854][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.886854][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.886854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.886854][ T73] ip6_route_add+0x1c/0x140 [ 3843.886854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.886854][ T73] addrconf_add_dev+0xe2/0x170 [ 3843.886854][ T73] inet6_addr_add+0x12f/0xa40 [ 3843.886854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.886854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.886854][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.886854][ T73] netlink_unicast+0x449/0x710 [ 3843.886854][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.886854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.886854][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.886854][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.886854][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.886854][ T73] [ 3843.888813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.888813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3843.888813][ T73] ipv6_find_idev+0x102/0x170 [ 3843.888813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.888813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.888813][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.888813][ T73] netlink_unicast+0x449/0x710 [ 3843.888813][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.888813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.888813][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.888813][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.888813][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.888813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.888813][ T73] [ 3843.890339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3843.890339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3843.890339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3843.890339][ T73] ipv6_find_idev+0x102/0x170 [ 3843.890339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.890339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.890339][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.890339][ T73] netlink_unicast+0x449/0x710 [ 3843.890339][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.890339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.890339][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.890339][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.890339][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.890339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.890339][ T73] [ 3843.892016][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3843.892293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.892293][ T73] dst_init+0x84/0x4a0 [ 3843.892293][ T73] dst_alloc+0x97/0x150 [ 3843.892293][ T73] ip6_dst_alloc+0x23/0x90 [ 3843.892293][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3843.892293][ T73] ip6_pol_route+0x56f/0x840 [ 3843.892293][ T73] fib6_rule_lookup+0x456/0x630 [ 3843.892293][ T73] ip6_route_input+0x59c/0xa50 [ 3843.892293][ T73] ipv6_rcv+0x397/0x810 [ 3843.892293][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3843.892293][ T73] process_backlog+0x101/0x620 [ 3843.892293][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3843.892293][ T73] net_rx_action+0x495/0xbe0 [ 3843.892293][ T73] __do_softirq+0x1b5/0x7f6 [ 3843.892293][ T73] [ 3843.893948][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.893948][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.893948][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.893948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.893948][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3843.893948][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.893948][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3843.893948][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.893948][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3843.893948][ T73] addrconf_dad_begin+0x310/0x670 [ 3843.893948][ T73] addrconf_dad_work+0x10b/0xab0 [ 3843.893948][ T73] process_one_work+0x84d/0x18a0 [ 3843.893948][ T73] worker_thread+0x587/0xd30 [ 3843.893948][ T73] kthread+0x28a/0x350 [ 3843.893948][ T73] ret_from_fork+0x31/0x70 [ 3843.893948][ T73] ret_from_fork_asm+0x1a/0x30 [ 3843.893948][ T73] [ 3843.895843][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.895843][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.895843][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.895843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.895843][ T73] ip6_route_add+0x1c/0x140 [ 3843.895843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3843.895843][ T73] inet6_addr_add+0x4f8/0xa40 [ 3843.895843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.895843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.895843][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.895843][ T73] netlink_unicast+0x449/0x710 [ 3843.895843][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.895843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.895843][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.895843][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.895843][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.895843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.895843][ T73] [ 3843.897831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.897831][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.897831][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.897831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.897831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3843.897831][ T73] ipv6_add_addr+0x411/0x2000 [ 3843.897831][ T73] inet6_addr_add+0x30e/0xa40 [ 3843.897831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.897831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.897831][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.897831][ T73] netlink_unicast+0x449/0x710 [ 3843.897831][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.897831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.897831][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.897831][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.897831][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.897831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.897831][ T73] [ 3843.899812][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.899812][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.899812][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.899812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.899812][ T73] ip6_route_add+0x1c/0x140 [ 3843.899812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.899812][ T73] addrconf_add_dev+0xe2/0x170 [ 3843.899812][ T73] inet6_addr_add+0x12f/0xa40 [ 3843.899812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.899812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.899812][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.899812][ T73] netlink_unicast+0x449/0x710 [ 3843.899812][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.899812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.899812][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.899812][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.899812][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.899812][ T73] [ 3843.901758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.901758][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3843.901758][ T73] ipv6_find_idev+0x102/0x170 [ 3843.901758][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.901758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.901758][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.901758][ T73] netlink_unicast+0x449/0x710 [ 3843.901758][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.901758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.901758][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.901758][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.901758][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.901758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.901758][ T73] [ 3843.903304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3843.903304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3843.903304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3843.903304][ T73] ipv6_find_idev+0x102/0x170 [ 3843.903304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.903304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.903304][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.903304][ T73] netlink_unicast+0x449/0x710 [ 3843.903304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.903304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.903304][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.903304][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.903304][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.903304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.903304][ T73] [ 3843.905095][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3843.905360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.905360][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3843.905360][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3843.905360][ T73] fib6_nh_init+0xa22/0x1580 [ 3843.905360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.905360][ T73] ip6_route_add+0x1c/0x140 [ 3843.905360][ T73] inet6_rtm_newroute+0x104/0x110 [ 3843.905360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.905360][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.905360][ T73] netlink_unicast+0x449/0x710 [ 3843.905360][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.905360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.905360][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.905360][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.905360][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.905360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.905360][ T73] [ 3843.907466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.907466][ T73] dst_init+0x84/0x4a0 [ 3843.907466][ T73] dst_alloc+0x97/0x150 [ 3843.907466][ T73] ip6_dst_alloc+0x23/0x90 [ 3843.907466][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3843.907466][ T73] ip6_pol_route+0x56f/0x840 [ 3843.907466][ T73] fib6_rule_lookup+0x456/0x630 [ 3843.907466][ T73] ip6_route_input+0x59c/0xa50 [ 3843.907466][ T73] ipv6_rcv+0x397/0x810 [ 3843.907466][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3843.907466][ T73] process_backlog+0x101/0x620 [ 3843.907466][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3843.907466][ T73] net_rx_action+0x495/0xbe0 [ 3843.907466][ T73] __do_softirq+0x1b5/0x7f6 [ 3843.907466][ T73] [ 3843.909329][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.909329][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.909329][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.909329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.909329][ T73] ip6_route_add+0x1c/0x140 [ 3843.909329][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3843.909329][ T73] inet6_addr_add+0x4f8/0xa40 [ 3843.909329][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.909329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.909329][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.909329][ T73] netlink_unicast+0x449/0x710 [ 3843.909329][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.909329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.909329][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.909329][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.909329][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.909329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.909329][ T73] [ 3843.911565][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.911565][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.911565][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.911565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.911565][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3843.911565][ T73] ipv6_add_addr+0x411/0x2000 [ 3843.911565][ T73] inet6_addr_add+0x30e/0xa40 [ 3843.911565][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.911565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.911565][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.911565][ T73] netlink_unicast+0x449/0x710 [ 3843.911565][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.911565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.911565][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.911565][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.911565][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.911565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.911565][ T73] [ 3843.913670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.913670][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.913670][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.913670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.913670][ T73] ip6_route_add+0x1c/0x140 [ 3843.913670][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.913670][ T73] addrconf_add_dev+0xe2/0x170 [ 3843.913670][ T73] inet6_addr_add+0x12f/0xa40 [ 3843.913670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.913670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.913670][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.913670][ T73] netlink_unicast+0x449/0x710 [ 3843.913670][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.913670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.913670][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.913670][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.913670][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.913670][ T73] [ 3843.915746][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.915746][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3843.915746][ T73] ipv6_find_idev+0x102/0x170 [ 3843.915746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.915746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.915746][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.915746][ T73] netlink_unicast+0x449/0x710 [ 3843.915746][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.915746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.915746][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.915746][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.915746][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.915746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.915746][ T73] [ 3843.917397][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3843.917397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3843.917397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3843.917397][ T73] ipv6_find_idev+0x102/0x170 [ 3843.917397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.917397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.917397][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.917397][ T73] netlink_unicast+0x449/0x710 [ 3843.917397][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.917397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.917397][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.917397][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.917397][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.917397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.917397][ T73] [ 3843.919195][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3843.919461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3843.919461][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.919461][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.919461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.919461][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3843.919461][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.919461][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3843.919461][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.919461][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3843.919461][ T73] addrconf_dad_begin+0x310/0x670 [ 3843.919461][ T73] addrconf_dad_work+0x10b/0xab0 [ 3843.919461][ T73] process_one_work+0x84d/0x18a0 [ 3843.919461][ T73] worker_thread+0x587/0xd30 [ 3843.919461][ T73] kthread+0x28a/0x350 [ 3843.919461][ T73] ret_from_fork+0x31/0x70 [ 3843.919461][ T73] ret_from_fork_asm+0x1a/0x30 [ 3843.919461][ T73] [ 3843.921490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3843.921490][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.921490][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.921490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.921490][ T73] ip6_route_add+0x1c/0x140 [ 3843.921490][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3843.921490][ T73] inet6_addr_add+0x4f8/0xa40 [ 3843.921490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.921490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.921490][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.921490][ T73] netlink_unicast+0x449/0x710 [ 3843.921490][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.921490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.921490][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.921490][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.921490][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.921490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.921490][ T73] [ 3843.923602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3843.923602][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.923602][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.923602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.923602][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3843.923602][ T73] ipv6_add_addr+0x411/0x2000 [ 3843.923602][ T73] inet6_addr_add+0x30e/0xa40 [ 3843.923602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.923602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.923602][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.923602][ T73] netlink_unicast+0x449/0x710 [ 3843.923602][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.923602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.923602][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.923602][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.923602][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.923602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.923602][ T73] [ 3843.925700][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3843.925700][ T73] netdev_get_by_index+0x5e/0x80 [ 3843.925700][ T73] fib6_nh_init+0x3d8/0x1580 [ 3843.925700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3843.925700][ T73] ip6_route_add+0x1c/0x140 [ 3843.925700][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.925700][ T73] addrconf_add_dev+0xe2/0x170 [ 3843.925700][ T73] inet6_addr_add+0x12f/0xa40 [ 3843.925700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.925700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.925700][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.925700][ T73] netlink_unicast+0x449/0x710 [ 3843.925700][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.925700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.925700][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.925700][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.925700][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.925700][ T73] [ 3843.927720][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3843.927720][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3843.927720][ T73] ipv6_find_idev+0x102/0x170 [ 3843.927720][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.927720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.927720][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.927720][ T73] netlink_unicast+0x449/0x710 [ 3843.927720][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.927720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.927720][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.927720][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.927720][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.927720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.927720][ T73] [ 3843.929371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3843.929371][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3843.929371][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3843.929371][ T73] ipv6_find_idev+0x102/0x170 [ 3843.929371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.929371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.929371][ T73] netlink_rcv_skb+0x130/0x360 [ 3843.929371][ T73] netlink_unicast+0x449/0x710 [ 3843.929371][ T73] netlink_sendmsg+0x723/0xbe0 [ 3843.929371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3843.929371][ T73] ___sys_sendmsg+0xee/0x170 [ 3843.929371][ T73] __sys_sendmsg+0xcd/0x170 [ 3843.929371][ T73] do_syscall_64+0xc6/0x1e0 [ 3843.929371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.929371][ T73] [ 3854.166815][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3854.167269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.167269][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3854.167269][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3854.167269][ T73] fib6_nh_init+0xa22/0x1580 [ 3854.167269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.167269][ T73] ip6_route_add+0x1c/0x140 [ 3854.167269][ T73] inet6_rtm_newroute+0x104/0x110 [ 3854.167269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.167269][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.167269][ T73] netlink_unicast+0x449/0x710 [ 3854.167269][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.167269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.167269][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.167269][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.167269][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.167269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.167269][ T73] [ 3854.169173][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.169173][ T73] dst_init+0x84/0x4a0 [ 3854.169173][ T73] dst_alloc+0x97/0x150 [ 3854.169173][ T73] ip6_dst_alloc+0x23/0x90 [ 3854.169173][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3854.169173][ T73] ip6_pol_route+0x56f/0x840 [ 3854.169173][ T73] fib6_rule_lookup+0x456/0x630 [ 3854.169173][ T73] ip6_route_input+0x59c/0xa50 [ 3854.169173][ T73] ipv6_rcv+0x397/0x810 [ 3854.169173][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3854.169173][ T73] process_backlog+0x101/0x620 [ 3854.169173][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3854.169173][ T73] net_rx_action+0x495/0xbe0 [ 3854.169173][ T73] __do_softirq+0x1b5/0x7f6 [ 3854.169173][ T73] [ 3854.170836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.170836][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.170836][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.170836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.170836][ T73] ip6_route_add+0x1c/0x140 [ 3854.170836][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3854.170836][ T73] inet6_addr_add+0x4f8/0xa40 [ 3854.170836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.170836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.170836][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.170836][ T73] netlink_unicast+0x449/0x710 [ 3854.170836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.170836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.170836][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.170836][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.170836][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.170836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.170836][ T73] [ 3854.172853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.172853][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.172853][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.172853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.172853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3854.172853][ T73] ipv6_add_addr+0x411/0x2000 [ 3854.172853][ T73] inet6_addr_add+0x30e/0xa40 [ 3854.172853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.172853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.172853][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.172853][ T73] netlink_unicast+0x449/0x710 [ 3854.172853][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.172853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.172853][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.172853][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.172853][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.172853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.172853][ T73] [ 3854.174860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.174860][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.174860][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.174860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.174860][ T73] ip6_route_add+0x1c/0x140 [ 3854.174860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3854.174860][ T73] addrconf_add_dev+0xe2/0x170 [ 3854.174860][ T73] inet6_addr_add+0x12f/0xa40 [ 3854.174860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.174860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.174860][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.174860][ T73] netlink_unicast+0x449/0x710 [ 3854.174860][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.174860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.174860][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.174860][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.174860][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.174860][ T73] [ 3854.176833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.176833][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3854.176833][ T73] ipv6_find_idev+0x102/0x170 [ 3854.176833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.176833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.176833][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.176833][ T73] netlink_unicast+0x449/0x710 [ 3854.176833][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.176833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.176833][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.176833][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.176833][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.176833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.176833][ T73] [ 3854.178380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3854.178380][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3854.178380][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3854.178380][ T73] ipv6_find_idev+0x102/0x170 [ 3854.178380][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.178380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.178380][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.178380][ T73] netlink_unicast+0x449/0x710 [ 3854.178380][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.178380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.178380][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.178380][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.178380][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.178380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.178380][ T73] [ 3854.180072][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3854.180340][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.180340][ T73] dst_init+0x84/0x4a0 [ 3854.180340][ T73] dst_alloc+0x97/0x150 [ 3854.180340][ T73] ip6_dst_alloc+0x23/0x90 [ 3854.180340][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3854.180340][ T73] ip6_pol_route+0x56f/0x840 [ 3854.180340][ T73] fib6_rule_lookup+0x456/0x630 [ 3854.180340][ T73] ip6_route_input+0x59c/0xa50 [ 3854.180340][ T73] ipv6_rcv+0x397/0x810 [ 3854.180340][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3854.180340][ T73] process_backlog+0x101/0x620 [ 3854.180340][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3854.180340][ T73] net_rx_action+0x495/0xbe0 [ 3854.180340][ T73] __do_softirq+0x1b5/0x7f6 [ 3854.180340][ T73] [ 3854.181997][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.181997][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.181997][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.181997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.181997][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3854.181997][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3854.181997][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3854.181997][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3854.181997][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3854.181997][ T73] addrconf_dad_begin+0x310/0x670 [ 3854.181997][ T73] addrconf_dad_work+0x10b/0xab0 [ 3854.181997][ T73] process_one_work+0x84d/0x18a0 [ 3854.181997][ T73] worker_thread+0x587/0xd30 [ 3854.181997][ T73] kthread+0x28a/0x350 [ 3854.181997][ T73] ret_from_fork+0x31/0x70 [ 3854.181997][ T73] ret_from_fork_asm+0x1a/0x30 [ 3854.181997][ T73] [ 3854.183919][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.183919][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.183919][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.183919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.183919][ T73] ip6_route_add+0x1c/0x140 [ 3854.183919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3854.183919][ T73] inet6_addr_add+0x4f8/0xa40 [ 3854.183919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.183919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.183919][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.183919][ T73] netlink_unicast+0x449/0x710 [ 3854.183919][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.183919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.183919][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.183919][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.183919][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.183919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.183919][ T73] [ 3854.185922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.185922][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.185922][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.185922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.185922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3854.185922][ T73] ipv6_add_addr+0x411/0x2000 [ 3854.185922][ T73] inet6_addr_add+0x30e/0xa40 [ 3854.185922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.185922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.185922][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.185922][ T73] netlink_unicast+0x449/0x710 [ 3854.185922][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.185922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.185922][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.185922][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.185922][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.185922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.185922][ T73] [ 3854.187931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.187931][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.187931][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.187931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.187931][ T73] ip6_route_add+0x1c/0x140 [ 3854.187931][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3854.187931][ T73] addrconf_add_dev+0xe2/0x170 [ 3854.187931][ T73] inet6_addr_add+0x12f/0xa40 [ 3854.187931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.187931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.187931][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.187931][ T73] netlink_unicast+0x449/0x710 [ 3854.187931][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.187931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.187931][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.187931][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.187931][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.187931][ T73] [ 3854.189894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.189894][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3854.189894][ T73] ipv6_find_idev+0x102/0x170 [ 3854.189894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.189894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.189894][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.189894][ T73] netlink_unicast+0x449/0x710 [ 3854.189894][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.189894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.189894][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.189894][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.189894][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.189894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.189894][ T73] [ 3854.191449][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3854.191449][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3854.191449][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3854.191449][ T73] ipv6_find_idev+0x102/0x170 [ 3854.191449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.191449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.191449][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.191449][ T73] netlink_unicast+0x449/0x710 [ 3854.191449][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.191449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.191449][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.191449][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.191449][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.191449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.191449][ T73] [ 3854.193281][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3854.193550][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.193550][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3854.193550][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3854.193550][ T73] fib6_nh_init+0xa22/0x1580 [ 3854.193550][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.193550][ T73] ip6_route_add+0x1c/0x140 [ 3854.193550][ T73] inet6_rtm_newroute+0x104/0x110 [ 3854.193550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.193550][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.193550][ T73] netlink_unicast+0x449/0x710 [ 3854.193550][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.193550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.193550][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.193550][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.193550][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.193550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.193550][ T73] [ 3854.195745][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.195745][ T73] dst_init+0x84/0x4a0 [ 3854.195745][ T73] dst_alloc+0x97/0x150 [ 3854.195745][ T73] ip6_dst_alloc+0x23/0x90 [ 3854.195745][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3854.195745][ T73] ip6_pol_route+0x56f/0x840 [ 3854.195745][ T73] fib6_rule_lookup+0x456/0x630 [ 3854.195745][ T73] ip6_route_input+0x59c/0xa50 [ 3854.195745][ T73] ipv6_rcv+0x397/0x810 [ 3854.195745][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3854.195745][ T73] process_backlog+0x101/0x620 [ 3854.195745][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3854.195745][ T73] net_rx_action+0x495/0xbe0 [ 3854.195745][ T73] __do_softirq+0x1b5/0x7f6 [ 3854.195745][ T73] [ 3854.197567][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.197567][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.197567][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.197567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.197567][ T73] ip6_route_add+0x1c/0x140 [ 3854.197567][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3854.197567][ T73] inet6_addr_add+0x4f8/0xa40 [ 3854.197567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.197567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.197567][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.197567][ T73] netlink_unicast+0x449/0x710 [ 3854.197567][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.197567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.197567][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.197567][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.197567][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.197567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.197567][ T73] [ 3854.199812][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.199812][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.199812][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.199812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.199812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3854.199812][ T73] ipv6_add_addr+0x411/0x2000 [ 3854.199812][ T73] inet6_addr_add+0x30e/0xa40 [ 3854.199812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.199812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.199812][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.199812][ T73] netlink_unicast+0x449/0x710 [ 3854.199812][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.199812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.199812][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.199812][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.199812][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.199812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.199812][ T73] [ 3854.202008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.202008][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.202008][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.202008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.202008][ T73] ip6_route_add+0x1c/0x140 [ 3854.202008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3854.202008][ T73] addrconf_add_dev+0xe2/0x170 [ 3854.202008][ T73] inet6_addr_add+0x12f/0xa40 [ 3854.202008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.202008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.202008][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.202008][ T73] netlink_unicast+0x449/0x710 [ 3854.202008][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.202008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.202008][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.202008][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.202008][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.202008][ T73] [ 3854.204283][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.204283][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3854.204283][ T73] ipv6_find_idev+0x102/0x170 [ 3854.204283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.204283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.204283][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.204283][ T73] netlink_unicast+0x449/0x710 [ 3854.204283][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.204283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.204283][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.204283][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.204283][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.204283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.204283][ T73] [ 3854.206009][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3854.206009][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3854.206009][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3854.206009][ T73] ipv6_find_idev+0x102/0x170 [ 3854.206009][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.206009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.206009][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.206009][ T73] netlink_unicast+0x449/0x710 [ 3854.206009][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.206009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.206009][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.206009][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.206009][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.206009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.206009][ T73] [ 3854.207938][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3854.208215][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3854.208215][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.208215][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.208215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.208215][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3854.208215][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3854.208215][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3854.208215][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3854.208215][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3854.208215][ T73] addrconf_dad_begin+0x310/0x670 [ 3854.208215][ T73] addrconf_dad_work+0x10b/0xab0 [ 3854.208215][ T73] process_one_work+0x84d/0x18a0 [ 3854.208215][ T73] worker_thread+0x587/0xd30 [ 3854.208215][ T73] kthread+0x28a/0x350 [ 3854.208215][ T73] ret_from_fork+0x31/0x70 [ 3854.208215][ T73] ret_from_fork_asm+0x1a/0x30 [ 3854.208215][ T73] [ 3854.210370][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3854.210370][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.210370][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.210370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.210370][ T73] ip6_route_add+0x1c/0x140 [ 3854.210370][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3854.210370][ T73] inet6_addr_add+0x4f8/0xa40 [ 3854.210370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.210370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.210370][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.210370][ T73] netlink_unicast+0x449/0x710 [ 3854.210370][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.210370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.210370][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.210370][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.210370][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.210370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.210370][ T73] [ 3854.212547][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3854.212547][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.212547][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.212547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.212547][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3854.212547][ T73] ipv6_add_addr+0x411/0x2000 [ 3854.212547][ T73] inet6_addr_add+0x30e/0xa40 [ 3854.212547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.212547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.212547][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.212547][ T73] netlink_unicast+0x449/0x710 [ 3854.212547][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.212547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.212547][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.212547][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.212547][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.212547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.212547][ T73] [ 3854.214870][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3854.214870][ T73] netdev_get_by_index+0x5e/0x80 [ 3854.214870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3854.214870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3854.214870][ T73] ip6_route_add+0x1c/0x140 [ 3854.214870][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3854.214870][ T73] addrconf_add_dev+0xe2/0x170 [ 3854.214870][ T73] inet6_addr_add+0x12f/0xa40 [ 3854.214870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3854.214870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.214870][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.214870][ T73] netlink_unicast+0x449/0x710 [ 3854.214870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.214870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.214870][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.214870][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.214870][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.214870][ T73] [ 3854.217113][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3854.217113][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3854.217113][ T73] ipv6_find_idev+0x102/0x170 [ 3854.217113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.217113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.217113][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.217113][ T73] netlink_unicast+0x449/0x710 [ 3854.217113][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.217113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.217113][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.217113][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.217113][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.217113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.217113][ T73] [ 3854.218829][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3854.218829][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3854.218829][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3854.218829][ T73] ipv6_find_idev+0x102/0x170 [ 3854.218829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3854.218829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3854.218829][ T73] netlink_rcv_skb+0x130/0x360 [ 3854.218829][ T73] netlink_unicast+0x449/0x710 [ 3854.218829][ T73] netlink_sendmsg+0x723/0xbe0 [ 3854.218829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3854.218829][ T73] ___sys_sendmsg+0xee/0x170 [ 3854.218829][ T73] __sys_sendmsg+0xcd/0x170 [ 3854.218829][ T73] do_syscall_64+0xc6/0x1e0 [ 3854.218829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3854.218829][ T73] [ 3864.462820][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3864.463281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.463281][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3864.463281][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3864.463281][ T73] fib6_nh_init+0xa22/0x1580 [ 3864.463281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.463281][ T73] ip6_route_add+0x1c/0x140 [ 3864.463281][ T73] inet6_rtm_newroute+0x104/0x110 [ 3864.463281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.463281][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.463281][ T73] netlink_unicast+0x449/0x710 [ 3864.463281][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.463281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.463281][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.463281][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.463281][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.463281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.463281][ T73] [ 3864.465180][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.465180][ T73] dst_init+0x84/0x4a0 [ 3864.465180][ T73] dst_alloc+0x97/0x150 [ 3864.465180][ T73] ip6_dst_alloc+0x23/0x90 [ 3864.465180][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3864.465180][ T73] ip6_pol_route+0x56f/0x840 [ 3864.465180][ T73] fib6_rule_lookup+0x456/0x630 [ 3864.465180][ T73] ip6_route_input+0x59c/0xa50 [ 3864.465180][ T73] ipv6_rcv+0x397/0x810 [ 3864.465180][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3864.465180][ T73] process_backlog+0x101/0x620 [ 3864.465180][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3864.465180][ T73] net_rx_action+0x495/0xbe0 [ 3864.465180][ T73] __do_softirq+0x1b5/0x7f6 [ 3864.465180][ T73] [ 3864.466814][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.466814][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.466814][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.466814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.466814][ T73] ip6_route_add+0x1c/0x140 [ 3864.466814][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3864.466814][ T73] inet6_addr_add+0x4f8/0xa40 [ 3864.466814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.466814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.466814][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.466814][ T73] netlink_unicast+0x449/0x710 [ 3864.466814][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.466814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.466814][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.466814][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.466814][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.466814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.466814][ T73] [ 3864.468833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.468833][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.468833][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.468833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.468833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3864.468833][ T73] ipv6_add_addr+0x411/0x2000 [ 3864.468833][ T73] inet6_addr_add+0x30e/0xa40 [ 3864.468833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.468833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.468833][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.468833][ T73] netlink_unicast+0x449/0x710 [ 3864.468833][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.468833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.468833][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.468833][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.468833][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.468833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.468833][ T73] [ 3864.470839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.470839][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.470839][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.470839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.470839][ T73] ip6_route_add+0x1c/0x140 [ 3864.470839][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3864.470839][ T73] addrconf_add_dev+0xe2/0x170 [ 3864.470839][ T73] inet6_addr_add+0x12f/0xa40 [ 3864.470839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.470839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.470839][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.470839][ T73] netlink_unicast+0x449/0x710 [ 3864.470839][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.470839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.470839][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.470839][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.470839][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.470839][ T73] [ 3864.472835][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.472835][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3864.472835][ T73] ipv6_find_idev+0x102/0x170 [ 3864.472835][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.472835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.472835][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.472835][ T73] netlink_unicast+0x449/0x710 [ 3864.472835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.472835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.472835][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.472835][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.472835][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.472835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.472835][ T73] [ 3864.474384][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3864.474384][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3864.474384][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3864.474384][ T73] ipv6_find_idev+0x102/0x170 [ 3864.474384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.474384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.474384][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.474384][ T73] netlink_unicast+0x449/0x710 [ 3864.474384][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.474384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.474384][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.474384][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.474384][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.474384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.474384][ T73] [ 3864.476082][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3864.476359][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.476359][ T73] dst_init+0x84/0x4a0 [ 3864.476359][ T73] dst_alloc+0x97/0x150 [ 3864.476359][ T73] ip6_dst_alloc+0x23/0x90 [ 3864.476359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3864.476359][ T73] ip6_pol_route+0x56f/0x840 [ 3864.476359][ T73] fib6_rule_lookup+0x456/0x630 [ 3864.476359][ T73] ip6_route_input+0x59c/0xa50 [ 3864.476359][ T73] ipv6_rcv+0x397/0x810 [ 3864.476359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3864.476359][ T73] process_backlog+0x101/0x620 [ 3864.476359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3864.476359][ T73] net_rx_action+0x495/0xbe0 [ 3864.476359][ T73] __do_softirq+0x1b5/0x7f6 [ 3864.476359][ T73] [ 3864.478005][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.478005][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.478005][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.478005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.478005][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3864.478005][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3864.478005][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3864.478005][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3864.478005][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3864.478005][ T73] addrconf_dad_begin+0x310/0x670 [ 3864.478005][ T73] addrconf_dad_work+0x10b/0xab0 [ 3864.478005][ T73] process_one_work+0x84d/0x18a0 [ 3864.478005][ T73] worker_thread+0x587/0xd30 [ 3864.478005][ T73] kthread+0x28a/0x350 [ 3864.478005][ T73] ret_from_fork+0x31/0x70 [ 3864.478005][ T73] ret_from_fork_asm+0x1a/0x30 [ 3864.478005][ T73] [ 3864.479933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.479933][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.479933][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.479933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.479933][ T73] ip6_route_add+0x1c/0x140 [ 3864.479933][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3864.479933][ T73] inet6_addr_add+0x4f8/0xa40 [ 3864.479933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.479933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.479933][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.479933][ T73] netlink_unicast+0x449/0x710 [ 3864.479933][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.479933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.479933][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.479933][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.479933][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.479933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.479933][ T73] [ 3864.481939][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.481939][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.481939][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.481939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.481939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3864.481939][ T73] ipv6_add_addr+0x411/0x2000 [ 3864.481939][ T73] inet6_addr_add+0x30e/0xa40 [ 3864.481939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.481939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.481939][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.481939][ T73] netlink_unicast+0x449/0x710 [ 3864.481939][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.481939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.481939][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.481939][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.481939][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.481939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.481939][ T73] [ 3864.483973][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.483973][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.483973][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.483973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.483973][ T73] ip6_route_add+0x1c/0x140 [ 3864.483973][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3864.483973][ T73] addrconf_add_dev+0xe2/0x170 [ 3864.483973][ T73] inet6_addr_add+0x12f/0xa40 [ 3864.483973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.483973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.483973][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.483973][ T73] netlink_unicast+0x449/0x710 [ 3864.483973][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.483973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.483973][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.483973][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.483973][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.483973][ T73] [ 3864.485947][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.485947][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3864.485947][ T73] ipv6_find_idev+0x102/0x170 [ 3864.485947][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.485947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.485947][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.485947][ T73] netlink_unicast+0x449/0x710 [ 3864.485947][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.485947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.485947][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.485947][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.485947][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.485947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.485947][ T73] [ 3864.487494][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3864.487494][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3864.487494][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3864.487494][ T73] ipv6_find_idev+0x102/0x170 [ 3864.487494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.487494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.487494][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.487494][ T73] netlink_unicast+0x449/0x710 [ 3864.487494][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.487494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.487494][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.487494][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.487494][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.487494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.487494][ T73] [ 3864.489253][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3864.489519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.489519][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3864.489519][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3864.489519][ T73] fib6_nh_init+0xa22/0x1580 [ 3864.489519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.489519][ T73] ip6_route_add+0x1c/0x140 [ 3864.489519][ T73] inet6_rtm_newroute+0x104/0x110 [ 3864.489519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.489519][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.489519][ T73] netlink_unicast+0x449/0x710 [ 3864.489519][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.489519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.489519][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.489519][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.489519][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.489519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.489519][ T73] [ 3864.491597][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.491597][ T73] dst_init+0x84/0x4a0 [ 3864.491597][ T73] dst_alloc+0x97/0x150 [ 3864.491597][ T73] ip6_dst_alloc+0x23/0x90 [ 3864.491597][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3864.491597][ T73] ip6_pol_route+0x56f/0x840 [ 3864.491597][ T73] fib6_rule_lookup+0x456/0x630 [ 3864.491597][ T73] ip6_route_input+0x59c/0xa50 [ 3864.491597][ T73] ipv6_rcv+0x397/0x810 [ 3864.491597][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3864.491597][ T73] process_backlog+0x101/0x620 [ 3864.491597][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3864.491597][ T73] net_rx_action+0x495/0xbe0 [ 3864.491597][ T73] __do_softirq+0x1b5/0x7f6 [ 3864.491597][ T73] [ 3864.493303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.493303][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.493303][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.493303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.493303][ T73] ip6_route_add+0x1c/0x140 [ 3864.493303][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3864.493303][ T73] inet6_addr_add+0x4f8/0xa40 [ 3864.493303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.493303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.493303][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.493303][ T73] netlink_unicast+0x449/0x710 [ 3864.493303][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.493303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.493303][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.493303][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.493303][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.493303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.493303][ T73] [ 3864.495438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.495438][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.495438][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.495438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.495438][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3864.495438][ T73] ipv6_add_addr+0x411/0x2000 [ 3864.495438][ T73] inet6_addr_add+0x30e/0xa40 [ 3864.495438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.495438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.495438][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.495438][ T73] netlink_unicast+0x449/0x710 [ 3864.495438][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.495438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.495438][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.495438][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.495438][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.495438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.495438][ T73] [ 3864.497567][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.497567][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.497567][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.497567][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.497567][ T73] ip6_route_add+0x1c/0x140 [ 3864.497567][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3864.497567][ T73] addrconf_add_dev+0xe2/0x170 [ 3864.497567][ T73] inet6_addr_add+0x12f/0xa40 [ 3864.497567][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.497567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.497567][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.497567][ T73] netlink_unicast+0x449/0x710 [ 3864.497567][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.497567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.497567][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.497567][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.497567][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.497567][ T73] [ 3864.499672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.499672][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3864.499672][ T73] ipv6_find_idev+0x102/0x170 [ 3864.499672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.499672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.499672][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.499672][ T73] netlink_unicast+0x449/0x710 [ 3864.499672][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.499672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.499672][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.499672][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.499672][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.499672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.499672][ T73] [ 3864.501280][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3864.501280][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3864.501280][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3864.501280][ T73] ipv6_find_idev+0x102/0x170 [ 3864.501280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.501280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.501280][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.501280][ T73] netlink_unicast+0x449/0x710 [ 3864.501280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.501280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.501280][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.501280][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.501280][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.501280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.501280][ T73] [ 3864.503136][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3864.503404][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3864.503404][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.503404][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.503404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.503404][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3864.503404][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3864.503404][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3864.503404][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3864.503404][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3864.503404][ T73] addrconf_dad_begin+0x310/0x670 [ 3864.503404][ T73] addrconf_dad_work+0x10b/0xab0 [ 3864.503404][ T73] process_one_work+0x84d/0x18a0 [ 3864.503404][ T73] worker_thread+0x587/0xd30 [ 3864.503404][ T73] kthread+0x28a/0x350 [ 3864.503404][ T73] ret_from_fork+0x31/0x70 [ 3864.503404][ T73] ret_from_fork_asm+0x1a/0x30 [ 3864.503404][ T73] [ 3864.505448][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3864.505448][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.505448][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.505448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.505448][ T73] ip6_route_add+0x1c/0x140 [ 3864.505448][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3864.505448][ T73] inet6_addr_add+0x4f8/0xa40 [ 3864.505448][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.505448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.505448][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.505448][ T73] netlink_unicast+0x449/0x710 [ 3864.505448][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.505448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.505448][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.505448][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.505448][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.505448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.505448][ T73] [ 3864.507581][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3864.507581][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.507581][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.507581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.507581][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3864.507581][ T73] ipv6_add_addr+0x411/0x2000 [ 3864.507581][ T73] inet6_addr_add+0x30e/0xa40 [ 3864.507581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.507581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.507581][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.507581][ T73] netlink_unicast+0x449/0x710 [ 3864.507581][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.507581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.507581][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.507581][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.507581][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.507581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.507581][ T73] [ 3864.509722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3864.509722][ T73] netdev_get_by_index+0x5e/0x80 [ 3864.509722][ T73] fib6_nh_init+0x3d8/0x1580 [ 3864.509722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3864.509722][ T73] ip6_route_add+0x1c/0x140 [ 3864.509722][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3864.509722][ T73] addrconf_add_dev+0xe2/0x170 [ 3864.509722][ T73] inet6_addr_add+0x12f/0xa40 [ 3864.509722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.509722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.509722][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.509722][ T73] netlink_unicast+0x449/0x710 [ 3864.509722][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.509722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.509722][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.509722][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.509722][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.509722][ T73] [ 3864.511813][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3864.511813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3864.511813][ T73] ipv6_find_idev+0x102/0x170 [ 3864.511813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.511813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.511813][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.511813][ T73] netlink_unicast+0x449/0x710 [ 3864.511813][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.511813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.511813][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.511813][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.511813][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.511813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.511813][ T73] [ 3864.513433][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3864.513433][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3864.513433][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3864.513433][ T73] ipv6_find_idev+0x102/0x170 [ 3864.513433][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.513433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.513433][ T73] netlink_rcv_skb+0x130/0x360 [ 3864.513433][ T73] netlink_unicast+0x449/0x710 [ 3864.513433][ T73] netlink_sendmsg+0x723/0xbe0 [ 3864.513433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3864.513433][ T73] ___sys_sendmsg+0xee/0x170 [ 3864.513433][ T73] __sys_sendmsg+0xcd/0x170 [ 3864.513433][ T73] do_syscall_64+0xc6/0x1e0 [ 3864.513433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.513433][ T73] [ 3874.766888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3874.767356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.767356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3874.767356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3874.767356][ T73] fib6_nh_init+0xa22/0x1580 [ 3874.767356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.767356][ T73] ip6_route_add+0x1c/0x140 [ 3874.767356][ T73] inet6_rtm_newroute+0x104/0x110 [ 3874.767356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.767356][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.767356][ T73] netlink_unicast+0x449/0x710 [ 3874.767356][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.767356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.767356][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.767356][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.767356][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.767356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.767356][ T73] [ 3874.769228][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.769228][ T73] dst_init+0x84/0x4a0 [ 3874.769228][ T73] dst_alloc+0x97/0x150 [ 3874.769228][ T73] ip6_dst_alloc+0x23/0x90 [ 3874.769228][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3874.769228][ T73] ip6_pol_route+0x56f/0x840 [ 3874.769228][ T73] fib6_rule_lookup+0x456/0x630 [ 3874.769228][ T73] ip6_route_input+0x59c/0xa50 [ 3874.769228][ T73] ipv6_rcv+0x397/0x810 [ 3874.769228][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3874.769228][ T73] process_backlog+0x101/0x620 [ 3874.769228][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3874.769228][ T73] net_rx_action+0x495/0xbe0 [ 3874.769228][ T73] __do_softirq+0x1b5/0x7f6 [ 3874.769228][ T73] [ 3874.770855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.770855][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.770855][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.770855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.770855][ T73] ip6_route_add+0x1c/0x140 [ 3874.770855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3874.770855][ T73] inet6_addr_add+0x4f8/0xa40 [ 3874.770855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.770855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.770855][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.770855][ T73] netlink_unicast+0x449/0x710 [ 3874.770855][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.770855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.770855][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.770855][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.770855][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.770855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.770855][ T73] [ 3874.772852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.772852][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.772852][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.772852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.772852][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3874.772852][ T73] ipv6_add_addr+0x411/0x2000 [ 3874.772852][ T73] inet6_addr_add+0x30e/0xa40 [ 3874.772852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.772852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.772852][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.772852][ T73] netlink_unicast+0x449/0x710 [ 3874.772852][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.772852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.772852][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.772852][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.772852][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.772852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.772852][ T73] [ 3874.774836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.774836][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.774836][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.774836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.774836][ T73] ip6_route_add+0x1c/0x140 [ 3874.774836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.774836][ T73] addrconf_add_dev+0xe2/0x170 [ 3874.774836][ T73] inet6_addr_add+0x12f/0xa40 [ 3874.774836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.774836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.774836][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.774836][ T73] netlink_unicast+0x449/0x710 [ 3874.774836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.774836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.774836][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.774836][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.774836][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.774836][ T73] [ 3874.777309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.777309][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3874.777309][ T73] ipv6_find_idev+0x102/0x170 [ 3874.777309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.777309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.777309][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.777309][ T73] netlink_unicast+0x449/0x710 [ 3874.777309][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.777309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.777309][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.777309][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.777309][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.777309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.777309][ T73] [ 3874.778836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3874.778836][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3874.778836][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3874.778836][ T73] ipv6_find_idev+0x102/0x170 [ 3874.778836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.778836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.778836][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.778836][ T73] netlink_unicast+0x449/0x710 [ 3874.778836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.778836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.778836][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.778836][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.778836][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.778836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.778836][ T73] [ 3874.780513][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3874.780785][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.780785][ T73] dst_init+0x84/0x4a0 [ 3874.780785][ T73] dst_alloc+0x97/0x150 [ 3874.780785][ T73] ip6_dst_alloc+0x23/0x90 [ 3874.780785][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3874.780785][ T73] ip6_pol_route+0x56f/0x840 [ 3874.780785][ T73] fib6_rule_lookup+0x456/0x630 [ 3874.780785][ T73] ip6_route_input+0x59c/0xa50 [ 3874.780785][ T73] ipv6_rcv+0x397/0x810 [ 3874.780785][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3874.780785][ T73] process_backlog+0x101/0x620 [ 3874.780785][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3874.780785][ T73] net_rx_action+0x495/0xbe0 [ 3874.780785][ T73] __do_softirq+0x1b5/0x7f6 [ 3874.780785][ T73] [ 3874.782408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.782408][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.782408][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.782408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.782408][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3874.782408][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.782408][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3874.782408][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.782408][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3874.782408][ T73] addrconf_dad_begin+0x310/0x670 [ 3874.782408][ T73] addrconf_dad_work+0x10b/0xab0 [ 3874.782408][ T73] process_one_work+0x84d/0x18a0 [ 3874.782408][ T73] worker_thread+0x587/0xd30 [ 3874.782408][ T73] kthread+0x28a/0x350 [ 3874.782408][ T73] ret_from_fork+0x31/0x70 [ 3874.782408][ T73] ret_from_fork_asm+0x1a/0x30 [ 3874.782408][ T73] [ 3874.784308][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.784308][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.784308][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.784308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.784308][ T73] ip6_route_add+0x1c/0x140 [ 3874.784308][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3874.784308][ T73] inet6_addr_add+0x4f8/0xa40 [ 3874.784308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.784308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.784308][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.784308][ T73] netlink_unicast+0x449/0x710 [ 3874.784308][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.784308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.784308][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.784308][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.784308][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.784308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.784308][ T73] [ 3874.786690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.786690][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.786690][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.786690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.786690][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3874.786690][ T73] ipv6_add_addr+0x411/0x2000 [ 3874.786690][ T73] inet6_addr_add+0x30e/0xa40 [ 3874.786690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.786690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.786690][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.786690][ T73] netlink_unicast+0x449/0x710 [ 3874.786690][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.786690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.786690][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.786690][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.786690][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.786690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.786690][ T73] [ 3874.788680][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.788680][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.788680][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.788680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.788680][ T73] ip6_route_add+0x1c/0x140 [ 3874.788680][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.788680][ T73] addrconf_add_dev+0xe2/0x170 [ 3874.788680][ T73] inet6_addr_add+0x12f/0xa40 [ 3874.788680][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.788680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.788680][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.788680][ T73] netlink_unicast+0x449/0x710 [ 3874.788680][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.788680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.788680][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.788680][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.788680][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.788680][ T73] [ 3874.790628][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.790628][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3874.790628][ T73] ipv6_find_idev+0x102/0x170 [ 3874.790628][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.790628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.790628][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.790628][ T73] netlink_unicast+0x449/0x710 [ 3874.790628][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.790628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.790628][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.790628][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.790628][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.790628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.790628][ T73] [ 3874.792194][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3874.792194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3874.792194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3874.792194][ T73] ipv6_find_idev+0x102/0x170 [ 3874.792194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.792194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.792194][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.792194][ T73] netlink_unicast+0x449/0x710 [ 3874.792194][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.792194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.792194][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.792194][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.792194][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.792194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.792194][ T73] [ 3874.794002][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3874.794275][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.794275][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3874.794275][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3874.794275][ T73] fib6_nh_init+0xa22/0x1580 [ 3874.794275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.794275][ T73] ip6_route_add+0x1c/0x140 [ 3874.794275][ T73] inet6_rtm_newroute+0x104/0x110 [ 3874.794275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.794275][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.794275][ T73] netlink_unicast+0x449/0x710 [ 3874.794275][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.794275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.794275][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.794275][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.794275][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.794275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.794275][ T73] [ 3874.796381][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.796381][ T73] dst_init+0x84/0x4a0 [ 3874.796381][ T73] dst_alloc+0x97/0x150 [ 3874.796381][ T73] ip6_dst_alloc+0x23/0x90 [ 3874.796381][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3874.796381][ T73] ip6_pol_route+0x56f/0x840 [ 3874.796381][ T73] fib6_rule_lookup+0x456/0x630 [ 3874.796381][ T73] ip6_route_input+0x59c/0xa50 [ 3874.796381][ T73] ipv6_rcv+0x397/0x810 [ 3874.796381][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3874.796381][ T73] process_backlog+0x101/0x620 [ 3874.796381][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3874.796381][ T73] net_rx_action+0x495/0xbe0 [ 3874.796381][ T73] __do_softirq+0x1b5/0x7f6 [ 3874.796381][ T73] [ 3874.798182][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.798182][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.798182][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.798182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.798182][ T73] ip6_route_add+0x1c/0x140 [ 3874.798182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3874.798182][ T73] inet6_addr_add+0x4f8/0xa40 [ 3874.798182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.798182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.798182][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.798182][ T73] netlink_unicast+0x449/0x710 [ 3874.798182][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.798182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.798182][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.798182][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.798182][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.798182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.798182][ T73] [ 3874.800471][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.800471][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.800471][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.800471][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.800471][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3874.800471][ T73] ipv6_add_addr+0x411/0x2000 [ 3874.800471][ T73] inet6_addr_add+0x30e/0xa40 [ 3874.800471][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.800471][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.800471][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.800471][ T73] netlink_unicast+0x449/0x710 [ 3874.800471][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.800471][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.800471][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.800471][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.800471][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.800471][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.800471][ T73] [ 3874.802651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.802651][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.802651][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.802651][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.802651][ T73] ip6_route_add+0x1c/0x140 [ 3874.802651][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.802651][ T73] addrconf_add_dev+0xe2/0x170 [ 3874.802651][ T73] inet6_addr_add+0x12f/0xa40 [ 3874.802651][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.802651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.802651][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.802651][ T73] netlink_unicast+0x449/0x710 [ 3874.802651][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.802651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.802651][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.802651][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.802651][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.802651][ T73] [ 3874.804837][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.804837][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3874.804837][ T73] ipv6_find_idev+0x102/0x170 [ 3874.804837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.804837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.804837][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.804837][ T73] netlink_unicast+0x449/0x710 [ 3874.804837][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.804837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.804837][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.804837][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.804837][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.804837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.804837][ T73] [ 3874.806541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3874.806541][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3874.806541][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3874.806541][ T73] ipv6_find_idev+0x102/0x170 [ 3874.806541][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.806541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.806541][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.806541][ T73] netlink_unicast+0x449/0x710 [ 3874.806541][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.806541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.806541][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.806541][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.806541][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.806541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.806541][ T73] [ 3874.808505][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3874.808769][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3874.808769][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.808769][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.808769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.808769][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3874.808769][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.808769][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3874.808769][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.808769][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3874.808769][ T73] addrconf_dad_begin+0x310/0x670 [ 3874.808769][ T73] addrconf_dad_work+0x10b/0xab0 [ 3874.808769][ T73] process_one_work+0x84d/0x18a0 [ 3874.808769][ T73] worker_thread+0x587/0xd30 [ 3874.808769][ T73] kthread+0x28a/0x350 [ 3874.808769][ T73] ret_from_fork+0x31/0x70 [ 3874.808769][ T73] ret_from_fork_asm+0x1a/0x30 [ 3874.808769][ T73] [ 3874.810903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3874.810903][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.810903][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.810903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.810903][ T73] ip6_route_add+0x1c/0x140 [ 3874.810903][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3874.810903][ T73] inet6_addr_add+0x4f8/0xa40 [ 3874.810903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.810903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.810903][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.810903][ T73] netlink_unicast+0x449/0x710 [ 3874.810903][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.810903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.810903][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.810903][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.810903][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.810903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.810903][ T73] [ 3874.813074][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3874.813074][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.813074][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.813074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.813074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3874.813074][ T73] ipv6_add_addr+0x411/0x2000 [ 3874.813074][ T73] inet6_addr_add+0x30e/0xa40 [ 3874.813074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.813074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.813074][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.813074][ T73] netlink_unicast+0x449/0x710 [ 3874.813074][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.813074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.813074][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.813074][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.813074][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.813074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.813074][ T73] [ 3874.815305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3874.815305][ T73] netdev_get_by_index+0x5e/0x80 [ 3874.815305][ T73] fib6_nh_init+0x3d8/0x1580 [ 3874.815305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3874.815305][ T73] ip6_route_add+0x1c/0x140 [ 3874.815305][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.815305][ T73] addrconf_add_dev+0xe2/0x170 [ 3874.815305][ T73] inet6_addr_add+0x12f/0xa40 [ 3874.815305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.815305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.815305][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.815305][ T73] netlink_unicast+0x449/0x710 [ 3874.815305][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.815305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.815305][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.815305][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.815305][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.815305][ T73] [ 3874.817518][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3874.817518][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3874.817518][ T73] ipv6_find_idev+0x102/0x170 [ 3874.817518][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.817518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.817518][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.817518][ T73] netlink_unicast+0x449/0x710 [ 3874.817518][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.817518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.817518][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.817518][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.817518][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.817518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.817518][ T73] [ 3874.819288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3874.819288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3874.819288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3874.819288][ T73] ipv6_find_idev+0x102/0x170 [ 3874.819288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.819288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.819288][ T73] netlink_rcv_skb+0x130/0x360 [ 3874.819288][ T73] netlink_unicast+0x449/0x710 [ 3874.819288][ T73] netlink_sendmsg+0x723/0xbe0 [ 3874.819288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3874.819288][ T73] ___sys_sendmsg+0xee/0x170 [ 3874.819288][ T73] __sys_sendmsg+0xcd/0x170 [ 3874.819288][ T73] do_syscall_64+0xc6/0x1e0 [ 3874.819288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.819288][ T73] [ 3884.838820][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3884.839266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.839266][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3884.839266][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3884.839266][ T73] fib6_nh_init+0xa22/0x1580 [ 3884.839266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.839266][ T73] ip6_route_add+0x1c/0x140 [ 3884.839266][ T73] inet6_rtm_newroute+0x104/0x110 [ 3884.839266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.839266][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.839266][ T73] netlink_unicast+0x449/0x710 [ 3884.839266][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.839266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.839266][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.839266][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.839266][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.839266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.839266][ T73] [ 3884.841162][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.841162][ T73] dst_init+0x84/0x4a0 [ 3884.841162][ T73] dst_alloc+0x97/0x150 [ 3884.841162][ T73] ip6_dst_alloc+0x23/0x90 [ 3884.841162][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3884.841162][ T73] ip6_pol_route+0x56f/0x840 [ 3884.841162][ T73] fib6_rule_lookup+0x456/0x630 [ 3884.841162][ T73] ip6_route_input+0x59c/0xa50 [ 3884.841162][ T73] ipv6_rcv+0x397/0x810 [ 3884.841162][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3884.841162][ T73] process_backlog+0x101/0x620 [ 3884.841162][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3884.841162][ T73] net_rx_action+0x495/0xbe0 [ 3884.841162][ T73] __do_softirq+0x1b5/0x7f6 [ 3884.841162][ T73] [ 3884.842800][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.842800][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.842800][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.842800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.842800][ T73] ip6_route_add+0x1c/0x140 [ 3884.842800][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3884.842800][ T73] inet6_addr_add+0x4f8/0xa40 [ 3884.842800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.842800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.842800][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.842800][ T73] netlink_unicast+0x449/0x710 [ 3884.842800][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.842800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.842800][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.842800][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.842800][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.842800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.842800][ T73] [ 3884.844799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.844799][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.844799][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.844799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.844799][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3884.844799][ T73] ipv6_add_addr+0x411/0x2000 [ 3884.844799][ T73] inet6_addr_add+0x30e/0xa40 [ 3884.844799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.844799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.844799][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.844799][ T73] netlink_unicast+0x449/0x710 [ 3884.844799][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.844799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.844799][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.844799][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.844799][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.844799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.844799][ T73] [ 3884.846806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.846806][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.846806][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.846806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.846806][ T73] ip6_route_add+0x1c/0x140 [ 3884.846806][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.846806][ T73] addrconf_add_dev+0xe2/0x170 [ 3884.846806][ T73] inet6_addr_add+0x12f/0xa40 [ 3884.846806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.846806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.846806][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.846806][ T73] netlink_unicast+0x449/0x710 [ 3884.846806][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.846806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.846806][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.846806][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.846806][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.846806][ T73] [ 3884.848772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.848772][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3884.848772][ T73] ipv6_find_idev+0x102/0x170 [ 3884.848772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.848772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.848772][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.848772][ T73] netlink_unicast+0x449/0x710 [ 3884.848772][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.848772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.848772][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.848772][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.848772][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.848772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.848772][ T73] [ 3884.850319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3884.850319][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3884.850319][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3884.850319][ T73] ipv6_find_idev+0x102/0x170 [ 3884.850319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.850319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.850319][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.850319][ T73] netlink_unicast+0x449/0x710 [ 3884.850319][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.850319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.850319][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.850319][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.850319][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.850319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.850319][ T73] [ 3884.852010][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3884.852279][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.852279][ T73] dst_init+0x84/0x4a0 [ 3884.852279][ T73] dst_alloc+0x97/0x150 [ 3884.852279][ T73] ip6_dst_alloc+0x23/0x90 [ 3884.852279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3884.852279][ T73] ip6_pol_route+0x56f/0x840 [ 3884.852279][ T73] fib6_rule_lookup+0x456/0x630 [ 3884.852279][ T73] ip6_route_input+0x59c/0xa50 [ 3884.852279][ T73] ipv6_rcv+0x397/0x810 [ 3884.852279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3884.852279][ T73] process_backlog+0x101/0x620 [ 3884.852279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3884.852279][ T73] net_rx_action+0x495/0xbe0 [ 3884.852279][ T73] __do_softirq+0x1b5/0x7f6 [ 3884.852279][ T73] [ 3884.853946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.853946][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.853946][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.853946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.853946][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3884.853946][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.853946][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3884.853946][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.853946][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3884.853946][ T73] addrconf_dad_begin+0x310/0x670 [ 3884.853946][ T73] addrconf_dad_work+0x10b/0xab0 [ 3884.853946][ T73] process_one_work+0x84d/0x18a0 [ 3884.853946][ T73] worker_thread+0x587/0xd30 [ 3884.853946][ T73] kthread+0x28a/0x350 [ 3884.853946][ T73] ret_from_fork+0x31/0x70 [ 3884.853946][ T73] ret_from_fork_asm+0x1a/0x30 [ 3884.853946][ T73] [ 3884.855861][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.855861][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.855861][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.855861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.855861][ T73] ip6_route_add+0x1c/0x140 [ 3884.855861][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3884.855861][ T73] inet6_addr_add+0x4f8/0xa40 [ 3884.855861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.855861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.855861][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.855861][ T73] netlink_unicast+0x449/0x710 [ 3884.855861][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.855861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.855861][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.855861][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.855861][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.855861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.855861][ T73] [ 3884.857864][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.857864][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.857864][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.857864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.857864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3884.857864][ T73] ipv6_add_addr+0x411/0x2000 [ 3884.857864][ T73] inet6_addr_add+0x30e/0xa40 [ 3884.857864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.857864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.857864][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.857864][ T73] netlink_unicast+0x449/0x710 [ 3884.857864][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.857864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.857864][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.857864][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.857864][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.857864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.857864][ T73] [ 3884.859870][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.859870][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.859870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.859870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.859870][ T73] ip6_route_add+0x1c/0x140 [ 3884.859870][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.859870][ T73] addrconf_add_dev+0xe2/0x170 [ 3884.859870][ T73] inet6_addr_add+0x12f/0xa40 [ 3884.859870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.859870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.859870][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.859870][ T73] netlink_unicast+0x449/0x710 [ 3884.859870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.859870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.859870][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.859870][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.859870][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.859870][ T73] [ 3884.861839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.861839][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3884.861839][ T73] ipv6_find_idev+0x102/0x170 [ 3884.861839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.861839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.861839][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.861839][ T73] netlink_unicast+0x449/0x710 [ 3884.861839][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.861839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.861839][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.861839][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.861839][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.861839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.861839][ T73] [ 3884.863387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3884.863387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3884.863387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3884.863387][ T73] ipv6_find_idev+0x102/0x170 [ 3884.863387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.863387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.863387][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.863387][ T73] netlink_unicast+0x449/0x710 [ 3884.863387][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.863387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.863387][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.863387][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.863387][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.863387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.863387][ T73] [ 3884.865197][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3884.865465][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.865465][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3884.865465][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3884.865465][ T73] fib6_nh_init+0xa22/0x1580 [ 3884.865465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.865465][ T73] ip6_route_add+0x1c/0x140 [ 3884.865465][ T73] inet6_rtm_newroute+0x104/0x110 [ 3884.865465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.865465][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.865465][ T73] netlink_unicast+0x449/0x710 [ 3884.865465][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.865465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.865465][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.865465][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.865465][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.865465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.865465][ T73] [ 3884.867646][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.867646][ T73] dst_init+0x84/0x4a0 [ 3884.867646][ T73] dst_alloc+0x97/0x150 [ 3884.867646][ T73] ip6_dst_alloc+0x23/0x90 [ 3884.867646][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3884.867646][ T73] ip6_pol_route+0x56f/0x840 [ 3884.867646][ T73] fib6_rule_lookup+0x456/0x630 [ 3884.867646][ T73] ip6_route_input+0x59c/0xa50 [ 3884.867646][ T73] ipv6_rcv+0x397/0x810 [ 3884.867646][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3884.867646][ T73] process_backlog+0x101/0x620 [ 3884.867646][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3884.867646][ T73] net_rx_action+0x495/0xbe0 [ 3884.867646][ T73] __do_softirq+0x1b5/0x7f6 [ 3884.867646][ T73] [ 3884.869464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.869464][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.869464][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.869464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.869464][ T73] ip6_route_add+0x1c/0x140 [ 3884.869464][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3884.869464][ T73] inet6_addr_add+0x4f8/0xa40 [ 3884.869464][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.869464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.869464][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.869464][ T73] netlink_unicast+0x449/0x710 [ 3884.869464][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.869464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.869464][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.869464][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.869464][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.869464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.869464][ T73] [ 3884.871709][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.871709][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.871709][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.871709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.871709][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3884.871709][ T73] ipv6_add_addr+0x411/0x2000 [ 3884.871709][ T73] inet6_addr_add+0x30e/0xa40 [ 3884.871709][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.871709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.871709][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.871709][ T73] netlink_unicast+0x449/0x710 [ 3884.871709][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.871709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.871709][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.871709][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.871709][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.871709][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.871709][ T73] [ 3884.873846][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.873846][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.873846][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.873846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.873846][ T73] ip6_route_add+0x1c/0x140 [ 3884.873846][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.873846][ T73] addrconf_add_dev+0xe2/0x170 [ 3884.873846][ T73] inet6_addr_add+0x12f/0xa40 [ 3884.873846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.873846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.873846][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.873846][ T73] netlink_unicast+0x449/0x710 [ 3884.873846][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.873846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.873846][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.873846][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.873846][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.873846][ T73] [ 3884.876119][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.876119][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3884.876119][ T73] ipv6_find_idev+0x102/0x170 [ 3884.876119][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.876119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.876119][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.876119][ T73] netlink_unicast+0x449/0x710 [ 3884.876119][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.876119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.876119][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.876119][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.876119][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.876119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.876119][ T73] [ 3884.877836][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3884.877836][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3884.877836][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3884.877836][ T73] ipv6_find_idev+0x102/0x170 [ 3884.877836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.877836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.877836][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.877836][ T73] netlink_unicast+0x449/0x710 [ 3884.877836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.877836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.877836][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.877836][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.877836][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.877836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.877836][ T73] [ 3884.879765][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3884.880486][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3884.880486][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.880486][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.880486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.880486][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3884.880486][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.880486][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3884.880486][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.880486][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3884.880486][ T73] addrconf_dad_begin+0x310/0x670 [ 3884.880486][ T73] addrconf_dad_work+0x10b/0xab0 [ 3884.880486][ T73] process_one_work+0x84d/0x18a0 [ 3884.880486][ T73] worker_thread+0x587/0xd30 [ 3884.880486][ T73] kthread+0x28a/0x350 [ 3884.880486][ T73] ret_from_fork+0x31/0x70 [ 3884.880486][ T73] ret_from_fork_asm+0x1a/0x30 [ 3884.880486][ T73] [ 3884.882395][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3884.882395][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.882395][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.882395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.882395][ T73] ip6_route_add+0x1c/0x140 [ 3884.882395][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3884.882395][ T73] inet6_addr_add+0x4f8/0xa40 [ 3884.882395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.882395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.882395][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.882395][ T73] netlink_unicast+0x449/0x710 [ 3884.882395][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.882395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.882395][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.882395][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.882395][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.882395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.882395][ T73] [ 3884.884456][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3884.884456][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.884456][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.884456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.884456][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3884.884456][ T73] ipv6_add_addr+0x411/0x2000 [ 3884.884456][ T73] inet6_addr_add+0x30e/0xa40 [ 3884.884456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.884456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.884456][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.884456][ T73] netlink_unicast+0x449/0x710 [ 3884.884456][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.884456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.884456][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.884456][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.884456][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.884456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.884456][ T73] [ 3884.886693][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3884.886693][ T73] netdev_get_by_index+0x5e/0x80 [ 3884.886693][ T73] fib6_nh_init+0x3d8/0x1580 [ 3884.886693][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3884.886693][ T73] ip6_route_add+0x1c/0x140 [ 3884.886693][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.886693][ T73] addrconf_add_dev+0xe2/0x170 [ 3884.886693][ T73] inet6_addr_add+0x12f/0xa40 [ 3884.886693][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.886693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.886693][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.886693][ T73] netlink_unicast+0x449/0x710 [ 3884.886693][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.886693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.886693][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.886693][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.886693][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.886693][ T73] [ 3884.888980][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3884.888980][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3884.888980][ T73] ipv6_find_idev+0x102/0x170 [ 3884.888980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.888980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.888980][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.888980][ T73] netlink_unicast+0x449/0x710 [ 3884.888980][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.888980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.888980][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.888980][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.888980][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.888980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.888980][ T73] [ 3884.890691][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3884.890691][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3884.890691][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3884.890691][ T73] ipv6_find_idev+0x102/0x170 [ 3884.890691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.890691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.890691][ T73] netlink_rcv_skb+0x130/0x360 [ 3884.890691][ T73] netlink_unicast+0x449/0x710 [ 3884.890691][ T73] netlink_sendmsg+0x723/0xbe0 [ 3884.890691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3884.890691][ T73] ___sys_sendmsg+0xee/0x170 [ 3884.890691][ T73] __sys_sendmsg+0xcd/0x170 [ 3884.890691][ T73] do_syscall_64+0xc6/0x1e0 [ 3884.890691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.890691][ T73] [ 3894.918820][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3894.919267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.919267][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3894.919267][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3894.919267][ T73] fib6_nh_init+0xa22/0x1580 [ 3894.919267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.919267][ T73] ip6_route_add+0x1c/0x140 [ 3894.919267][ T73] inet6_rtm_newroute+0x104/0x110 [ 3894.919267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.919267][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.919267][ T73] netlink_unicast+0x449/0x710 [ 3894.919267][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.919267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.919267][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.919267][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.919267][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.919267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.919267][ T73] [ 3894.921168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.921168][ T73] dst_init+0x84/0x4a0 [ 3894.921168][ T73] dst_alloc+0x97/0x150 [ 3894.921168][ T73] ip6_dst_alloc+0x23/0x90 [ 3894.921168][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3894.921168][ T73] ip6_pol_route+0x56f/0x840 [ 3894.921168][ T73] fib6_rule_lookup+0x456/0x630 [ 3894.921168][ T73] ip6_route_input+0x59c/0xa50 [ 3894.921168][ T73] ipv6_rcv+0x397/0x810 [ 3894.921168][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3894.921168][ T73] process_backlog+0x101/0x620 [ 3894.921168][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3894.921168][ T73] net_rx_action+0x495/0xbe0 [ 3894.921168][ T73] __do_softirq+0x1b5/0x7f6 [ 3894.921168][ T73] [ 3894.922801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.922801][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.922801][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.922801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.922801][ T73] ip6_route_add+0x1c/0x140 [ 3894.922801][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3894.922801][ T73] inet6_addr_add+0x4f8/0xa40 [ 3894.922801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.922801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.922801][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.922801][ T73] netlink_unicast+0x449/0x710 [ 3894.922801][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.922801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.922801][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.922801][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.922801][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.922801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.922801][ T73] [ 3894.924804][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.924804][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.924804][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.924804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.924804][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3894.924804][ T73] ipv6_add_addr+0x411/0x2000 [ 3894.924804][ T73] inet6_addr_add+0x30e/0xa40 [ 3894.924804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.924804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.924804][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.924804][ T73] netlink_unicast+0x449/0x710 [ 3894.924804][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.924804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.924804][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.924804][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.924804][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.924804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.924804][ T73] [ 3894.926804][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.926804][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.926804][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.926804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.926804][ T73] ip6_route_add+0x1c/0x140 [ 3894.926804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.926804][ T73] addrconf_add_dev+0xe2/0x170 [ 3894.926804][ T73] inet6_addr_add+0x12f/0xa40 [ 3894.926804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.926804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.926804][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.926804][ T73] netlink_unicast+0x449/0x710 [ 3894.926804][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.926804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.926804][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.926804][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.926804][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.926804][ T73] [ 3894.928775][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.928775][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3894.928775][ T73] ipv6_find_idev+0x102/0x170 [ 3894.928775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.928775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.928775][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.928775][ T73] netlink_unicast+0x449/0x710 [ 3894.928775][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.928775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.928775][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.928775][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.928775][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.928775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.928775][ T73] [ 3894.930330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3894.930330][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3894.930330][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3894.930330][ T73] ipv6_find_idev+0x102/0x170 [ 3894.930330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.930330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.930330][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.930330][ T73] netlink_unicast+0x449/0x710 [ 3894.930330][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.930330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.930330][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.930330][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.930330][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.930330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.930330][ T73] [ 3894.932040][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3894.932307][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.932307][ T73] dst_init+0x84/0x4a0 [ 3894.932307][ T73] dst_alloc+0x97/0x150 [ 3894.932307][ T73] ip6_dst_alloc+0x23/0x90 [ 3894.932307][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3894.932307][ T73] ip6_pol_route+0x56f/0x840 [ 3894.932307][ T73] fib6_rule_lookup+0x456/0x630 [ 3894.932307][ T73] ip6_route_input+0x59c/0xa50 [ 3894.932307][ T73] ipv6_rcv+0x397/0x810 [ 3894.932307][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3894.932307][ T73] process_backlog+0x101/0x620 [ 3894.932307][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3894.932307][ T73] net_rx_action+0x495/0xbe0 [ 3894.932307][ T73] __do_softirq+0x1b5/0x7f6 [ 3894.932307][ T73] [ 3894.933963][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.933963][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.933963][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.933963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.933963][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3894.933963][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.933963][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3894.933963][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.933963][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3894.933963][ T73] addrconf_dad_begin+0x310/0x670 [ 3894.933963][ T73] addrconf_dad_work+0x10b/0xab0 [ 3894.933963][ T73] process_one_work+0x84d/0x18a0 [ 3894.933963][ T73] worker_thread+0x587/0xd30 [ 3894.933963][ T73] kthread+0x28a/0x350 [ 3894.933963][ T73] ret_from_fork+0x31/0x70 [ 3894.933963][ T73] ret_from_fork_asm+0x1a/0x30 [ 3894.933963][ T73] [ 3894.935878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.935878][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.935878][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.935878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.935878][ T73] ip6_route_add+0x1c/0x140 [ 3894.935878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3894.935878][ T73] inet6_addr_add+0x4f8/0xa40 [ 3894.935878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.935878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.935878][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.935878][ T73] netlink_unicast+0x449/0x710 [ 3894.935878][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.935878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.935878][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.935878][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.935878][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.935878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.935878][ T73] [ 3894.937891][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.937891][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.937891][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.937891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.937891][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3894.937891][ T73] ipv6_add_addr+0x411/0x2000 [ 3894.937891][ T73] inet6_addr_add+0x30e/0xa40 [ 3894.937891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.937891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.937891][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.937891][ T73] netlink_unicast+0x449/0x710 [ 3894.937891][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.937891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.937891][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.937891][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.937891][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.937891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.937891][ T73] [ 3894.939886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.939886][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.939886][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.939886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.939886][ T73] ip6_route_add+0x1c/0x140 [ 3894.939886][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.939886][ T73] addrconf_add_dev+0xe2/0x170 [ 3894.939886][ T73] inet6_addr_add+0x12f/0xa40 [ 3894.939886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.939886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.939886][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.939886][ T73] netlink_unicast+0x449/0x710 [ 3894.939886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.939886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.939886][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.939886][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.939886][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.939886][ T73] [ 3894.941846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.941846][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3894.941846][ T73] ipv6_find_idev+0x102/0x170 [ 3894.941846][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.941846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.941846][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.941846][ T73] netlink_unicast+0x449/0x710 [ 3894.941846][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.941846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.941846][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.941846][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.941846][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.941846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.941846][ T73] [ 3894.943397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3894.943397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3894.943397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3894.943397][ T73] ipv6_find_idev+0x102/0x170 [ 3894.943397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.943397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.943397][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.943397][ T73] netlink_unicast+0x449/0x710 [ 3894.943397][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.943397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.943397][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.943397][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.943397][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.943397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.943397][ T73] [ 3894.945161][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3894.945431][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.945431][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3894.945431][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3894.945431][ T73] fib6_nh_init+0xa22/0x1580 [ 3894.945431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.945431][ T73] ip6_route_add+0x1c/0x140 [ 3894.945431][ T73] inet6_rtm_newroute+0x104/0x110 [ 3894.945431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.945431][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.945431][ T73] netlink_unicast+0x449/0x710 [ 3894.945431][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.945431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.945431][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.945431][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.945431][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.945431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.945431][ T73] [ 3894.947376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.947376][ T73] dst_init+0x84/0x4a0 [ 3894.947376][ T73] dst_alloc+0x97/0x150 [ 3894.947376][ T73] ip6_dst_alloc+0x23/0x90 [ 3894.947376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3894.947376][ T73] ip6_pol_route+0x56f/0x840 [ 3894.947376][ T73] fib6_rule_lookup+0x456/0x630 [ 3894.947376][ T73] ip6_route_input+0x59c/0xa50 [ 3894.947376][ T73] ipv6_rcv+0x397/0x810 [ 3894.947376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3894.947376][ T73] process_backlog+0x101/0x620 [ 3894.947376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3894.947376][ T73] net_rx_action+0x495/0xbe0 [ 3894.947376][ T73] __do_softirq+0x1b5/0x7f6 [ 3894.947376][ T73] [ 3894.949099][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.949099][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.949099][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.949099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.949099][ T73] ip6_route_add+0x1c/0x140 [ 3894.949099][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3894.949099][ T73] inet6_addr_add+0x4f8/0xa40 [ 3894.949099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.949099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.949099][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.949099][ T73] netlink_unicast+0x449/0x710 [ 3894.949099][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.949099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.949099][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.949099][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.949099][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.949099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.949099][ T73] [ 3894.951245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.951245][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.951245][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.951245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.951245][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3894.951245][ T73] ipv6_add_addr+0x411/0x2000 [ 3894.951245][ T73] inet6_addr_add+0x30e/0xa40 [ 3894.951245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.951245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.951245][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.951245][ T73] netlink_unicast+0x449/0x710 [ 3894.951245][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.951245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.951245][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.951245][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.951245][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.951245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.951245][ T73] [ 3894.953322][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.953322][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.953322][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.953322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.953322][ T73] ip6_route_add+0x1c/0x140 [ 3894.953322][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.953322][ T73] addrconf_add_dev+0xe2/0x170 [ 3894.953322][ T73] inet6_addr_add+0x12f/0xa40 [ 3894.953322][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.953322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.953322][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.953322][ T73] netlink_unicast+0x449/0x710 [ 3894.953322][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.953322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.953322][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.953322][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.953322][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.953322][ T73] [ 3894.955358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.955358][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3894.955358][ T73] ipv6_find_idev+0x102/0x170 [ 3894.955358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.955358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.955358][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.955358][ T73] netlink_unicast+0x449/0x710 [ 3894.955358][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.955358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.955358][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.955358][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.955358][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.955358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.955358][ T73] [ 3894.956982][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3894.956982][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3894.956982][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3894.956982][ T73] ipv6_find_idev+0x102/0x170 [ 3894.956982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.956982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.956982][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.956982][ T73] netlink_unicast+0x449/0x710 [ 3894.956982][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.956982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.956982][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.956982][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.956982][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.956982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.956982][ T73] [ 3894.958797][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3894.959080][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3894.959080][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.959080][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.959080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.959080][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3894.959080][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.959080][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3894.959080][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.959080][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3894.959080][ T73] addrconf_dad_begin+0x310/0x670 [ 3894.959080][ T73] addrconf_dad_work+0x10b/0xab0 [ 3894.959080][ T73] process_one_work+0x84d/0x18a0 [ 3894.959080][ T73] worker_thread+0x587/0xd30 [ 3894.959080][ T73] kthread+0x28a/0x350 [ 3894.959080][ T73] ret_from_fork+0x31/0x70 [ 3894.959080][ T73] ret_from_fork_asm+0x1a/0x30 [ 3894.959080][ T73] [ 3894.961064][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3894.961064][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.961064][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.961064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.961064][ T73] ip6_route_add+0x1c/0x140 [ 3894.961064][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3894.961064][ T73] inet6_addr_add+0x4f8/0xa40 [ 3894.961064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.961064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.961064][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.961064][ T73] netlink_unicast+0x449/0x710 [ 3894.961064][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.961064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.961064][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.961064][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.961064][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.961064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.961064][ T73] [ 3894.963133][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3894.963133][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.963133][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.963133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.963133][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3894.963133][ T73] ipv6_add_addr+0x411/0x2000 [ 3894.963133][ T73] inet6_addr_add+0x30e/0xa40 [ 3894.963133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.963133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.963133][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.963133][ T73] netlink_unicast+0x449/0x710 [ 3894.963133][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.963133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.963133][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.963133][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.963133][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.963133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.963133][ T73] [ 3894.965199][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3894.965199][ T73] netdev_get_by_index+0x5e/0x80 [ 3894.965199][ T73] fib6_nh_init+0x3d8/0x1580 [ 3894.965199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3894.965199][ T73] ip6_route_add+0x1c/0x140 [ 3894.965199][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.965199][ T73] addrconf_add_dev+0xe2/0x170 [ 3894.965199][ T73] inet6_addr_add+0x12f/0xa40 [ 3894.965199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.965199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.965199][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.965199][ T73] netlink_unicast+0x449/0x710 [ 3894.965199][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.965199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.965199][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.965199][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.965199][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.965199][ T73] [ 3894.967314][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3894.967314][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3894.967314][ T73] ipv6_find_idev+0x102/0x170 [ 3894.967314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.967314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.967314][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.967314][ T73] netlink_unicast+0x449/0x710 [ 3894.967314][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.967314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.967314][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.967314][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.967314][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.967314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.967314][ T73] [ 3894.968922][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3894.968922][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3894.968922][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3894.968922][ T73] ipv6_find_idev+0x102/0x170 [ 3894.968922][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.968922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.968922][ T73] netlink_rcv_skb+0x130/0x360 [ 3894.968922][ T73] netlink_unicast+0x449/0x710 [ 3894.968922][ T73] netlink_sendmsg+0x723/0xbe0 [ 3894.968922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3894.968922][ T73] ___sys_sendmsg+0xee/0x170 [ 3894.968922][ T73] __sys_sendmsg+0xcd/0x170 [ 3894.968922][ T73] do_syscall_64+0xc6/0x1e0 [ 3894.968922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.968922][ T73] [ 3905.206896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3905.207346][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.207346][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3905.207346][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3905.207346][ T73] fib6_nh_init+0xa22/0x1580 [ 3905.207346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.207346][ T73] ip6_route_add+0x1c/0x140 [ 3905.207346][ T73] inet6_rtm_newroute+0x104/0x110 [ 3905.207346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.207346][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.207346][ T73] netlink_unicast+0x449/0x710 [ 3905.207346][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.207346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.207346][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.207346][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.207346][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.207346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.207346][ T73] [ 3905.209223][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.209223][ T73] dst_init+0x84/0x4a0 [ 3905.209223][ T73] dst_alloc+0x97/0x150 [ 3905.209223][ T73] ip6_dst_alloc+0x23/0x90 [ 3905.209223][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3905.209223][ T73] ip6_pol_route+0x56f/0x840 [ 3905.209223][ T73] fib6_rule_lookup+0x456/0x630 [ 3905.209223][ T73] ip6_route_input+0x59c/0xa50 [ 3905.209223][ T73] ipv6_rcv+0x397/0x810 [ 3905.209223][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3905.209223][ T73] process_backlog+0x101/0x620 [ 3905.209223][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3905.209223][ T73] net_rx_action+0x495/0xbe0 [ 3905.209223][ T73] __do_softirq+0x1b5/0x7f6 [ 3905.209223][ T73] [ 3905.210853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.210853][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.210853][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.210853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.210853][ T73] ip6_route_add+0x1c/0x140 [ 3905.210853][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3905.210853][ T73] inet6_addr_add+0x4f8/0xa40 [ 3905.210853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.210853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.210853][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.210853][ T73] netlink_unicast+0x449/0x710 [ 3905.210853][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.210853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.210853][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.210853][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.210853][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.210853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.210853][ T73] [ 3905.212850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.212850][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.212850][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.212850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.212850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3905.212850][ T73] ipv6_add_addr+0x411/0x2000 [ 3905.212850][ T73] inet6_addr_add+0x30e/0xa40 [ 3905.212850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.212850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.212850][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.212850][ T73] netlink_unicast+0x449/0x710 [ 3905.212850][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.212850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.212850][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.212850][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.212850][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.212850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.212850][ T73] [ 3905.214834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.214834][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.214834][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.214834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.214834][ T73] ip6_route_add+0x1c/0x140 [ 3905.214834][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3905.214834][ T73] addrconf_add_dev+0xe2/0x170 [ 3905.214834][ T73] inet6_addr_add+0x12f/0xa40 [ 3905.214834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.214834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.214834][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.214834][ T73] netlink_unicast+0x449/0x710 [ 3905.214834][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.214834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.214834][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.214834][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.214834][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.214834][ T73] [ 3905.216784][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.216784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3905.216784][ T73] ipv6_find_idev+0x102/0x170 [ 3905.216784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.216784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.216784][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.216784][ T73] netlink_unicast+0x449/0x710 [ 3905.216784][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.216784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.216784][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.216784][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.216784][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.216784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.216784][ T73] [ 3905.218685][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3905.218685][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3905.218685][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3905.218685][ T73] ipv6_find_idev+0x102/0x170 [ 3905.218685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.218685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.218685][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.218685][ T73] netlink_unicast+0x449/0x710 [ 3905.218685][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.218685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.218685][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.218685][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.218685][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.218685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.218685][ T73] [ 3905.220358][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3905.220624][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.220624][ T73] dst_init+0x84/0x4a0 [ 3905.220624][ T73] dst_alloc+0x97/0x150 [ 3905.220624][ T73] ip6_dst_alloc+0x23/0x90 [ 3905.220624][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3905.220624][ T73] ip6_pol_route+0x56f/0x840 [ 3905.220624][ T73] fib6_rule_lookup+0x456/0x630 [ 3905.220624][ T73] ip6_route_input+0x59c/0xa50 [ 3905.220624][ T73] ipv6_rcv+0x397/0x810 [ 3905.220624][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3905.220624][ T73] process_backlog+0x101/0x620 [ 3905.220624][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3905.220624][ T73] net_rx_action+0x495/0xbe0 [ 3905.220624][ T73] __do_softirq+0x1b5/0x7f6 [ 3905.220624][ T73] [ 3905.222242][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.222242][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.222242][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.222242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.222242][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3905.222242][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3905.222242][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3905.222242][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3905.222242][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3905.222242][ T73] addrconf_dad_begin+0x310/0x670 [ 3905.222242][ T73] addrconf_dad_work+0x10b/0xab0 [ 3905.222242][ T73] process_one_work+0x84d/0x18a0 [ 3905.222242][ T73] worker_thread+0x587/0xd30 [ 3905.222242][ T73] kthread+0x28a/0x350 [ 3905.222242][ T73] ret_from_fork+0x31/0x70 [ 3905.222242][ T73] ret_from_fork_asm+0x1a/0x30 [ 3905.222242][ T73] [ 3905.224150][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.224150][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.224150][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.224150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.224150][ T73] ip6_route_add+0x1c/0x140 [ 3905.224150][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3905.224150][ T73] inet6_addr_add+0x4f8/0xa40 [ 3905.224150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.224150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.224150][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.224150][ T73] netlink_unicast+0x449/0x710 [ 3905.224150][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.224150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.224150][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.224150][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.224150][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.224150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.224150][ T73] [ 3905.226128][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.226128][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.226128][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.226128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.226128][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3905.226128][ T73] ipv6_add_addr+0x411/0x2000 [ 3905.226128][ T73] inet6_addr_add+0x30e/0xa40 [ 3905.226128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.226128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.226128][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.226128][ T73] netlink_unicast+0x449/0x710 [ 3905.226128][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.226128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.226128][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.226128][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.226128][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.226128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.226128][ T73] [ 3905.228101][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.228101][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.228101][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.228101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.228101][ T73] ip6_route_add+0x1c/0x140 [ 3905.228101][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3905.228101][ T73] addrconf_add_dev+0xe2/0x170 [ 3905.228101][ T73] inet6_addr_add+0x12f/0xa40 [ 3905.228101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.228101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.228101][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.228101][ T73] netlink_unicast+0x449/0x710 [ 3905.228101][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.228101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.228101][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.228101][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.228101][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.228101][ T73] [ 3905.230039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.230039][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3905.230039][ T73] ipv6_find_idev+0x102/0x170 [ 3905.230039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.230039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.230039][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.230039][ T73] netlink_unicast+0x449/0x710 [ 3905.230039][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.230039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.230039][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.230039][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.230039][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.230039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.230039][ T73] [ 3905.231558][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3905.231558][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3905.231558][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3905.231558][ T73] ipv6_find_idev+0x102/0x170 [ 3905.231558][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.231558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.231558][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.231558][ T73] netlink_unicast+0x449/0x710 [ 3905.231558][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.231558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.231558][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.231558][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.231558][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.231558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.231558][ T73] [ 3905.233347][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3905.233614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.233614][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3905.233614][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3905.233614][ T73] fib6_nh_init+0xa22/0x1580 [ 3905.233614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.233614][ T73] ip6_route_add+0x1c/0x140 [ 3905.233614][ T73] inet6_rtm_newroute+0x104/0x110 [ 3905.233614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.233614][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.233614][ T73] netlink_unicast+0x449/0x710 [ 3905.233614][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.233614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.233614][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.233614][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.233614][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.233614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.233614][ T73] [ 3905.235773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.235773][ T73] dst_init+0x84/0x4a0 [ 3905.235773][ T73] dst_alloc+0x97/0x150 [ 3905.235773][ T73] ip6_dst_alloc+0x23/0x90 [ 3905.235773][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3905.235773][ T73] ip6_pol_route+0x56f/0x840 [ 3905.235773][ T73] fib6_rule_lookup+0x456/0x630 [ 3905.235773][ T73] ip6_route_input+0x59c/0xa50 [ 3905.235773][ T73] ipv6_rcv+0x397/0x810 [ 3905.235773][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3905.235773][ T73] process_backlog+0x101/0x620 [ 3905.235773][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3905.235773][ T73] net_rx_action+0x495/0xbe0 [ 3905.235773][ T73] __do_softirq+0x1b5/0x7f6 [ 3905.235773][ T73] [ 3905.237572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.237572][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.237572][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.237572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.237572][ T73] ip6_route_add+0x1c/0x140 [ 3905.237572][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3905.237572][ T73] inet6_addr_add+0x4f8/0xa40 [ 3905.237572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.237572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.237572][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.237572][ T73] netlink_unicast+0x449/0x710 [ 3905.237572][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.237572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.237572][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.237572][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.237572][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.237572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.237572][ T73] [ 3905.239793][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.239793][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.239793][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.239793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.239793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3905.239793][ T73] ipv6_add_addr+0x411/0x2000 [ 3905.239793][ T73] inet6_addr_add+0x30e/0xa40 [ 3905.239793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.239793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.239793][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.239793][ T73] netlink_unicast+0x449/0x710 [ 3905.239793][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.239793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.239793][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.239793][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.239793][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.239793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.239793][ T73] [ 3905.241890][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.241890][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.241890][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.241890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.241890][ T73] ip6_route_add+0x1c/0x140 [ 3905.241890][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3905.241890][ T73] addrconf_add_dev+0xe2/0x170 [ 3905.241890][ T73] inet6_addr_add+0x12f/0xa40 [ 3905.241890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.241890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.241890][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.241890][ T73] netlink_unicast+0x449/0x710 [ 3905.241890][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.241890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.241890][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.241890][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.241890][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.241890][ T73] [ 3905.244148][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.244148][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3905.244148][ T73] ipv6_find_idev+0x102/0x170 [ 3905.244148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.244148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.244148][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.244148][ T73] netlink_unicast+0x449/0x710 [ 3905.244148][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.244148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.244148][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.244148][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.244148][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.244148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.244148][ T73] [ 3905.245852][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3905.245852][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3905.245852][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3905.245852][ T73] ipv6_find_idev+0x102/0x170 [ 3905.245852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.245852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.245852][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.245852][ T73] netlink_unicast+0x449/0x710 [ 3905.245852][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.245852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.245852][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.245852][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.245852][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.245852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.245852][ T73] [ 3905.247757][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3905.248449][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3905.248449][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.248449][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.248449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.248449][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3905.248449][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3905.248449][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3905.248449][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3905.248449][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3905.248449][ T73] addrconf_dad_begin+0x310/0x670 [ 3905.248449][ T73] addrconf_dad_work+0x10b/0xab0 [ 3905.248449][ T73] process_one_work+0x84d/0x18a0 [ 3905.248449][ T73] worker_thread+0x587/0xd30 [ 3905.248449][ T73] kthread+0x28a/0x350 [ 3905.248449][ T73] ret_from_fork+0x31/0x70 [ 3905.248449][ T73] ret_from_fork_asm+0x1a/0x30 [ 3905.248449][ T73] [ 3905.250332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3905.250332][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.250332][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.250332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.250332][ T73] ip6_route_add+0x1c/0x140 [ 3905.250332][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3905.250332][ T73] inet6_addr_add+0x4f8/0xa40 [ 3905.250332][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.250332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.250332][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.250332][ T73] netlink_unicast+0x449/0x710 [ 3905.250332][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.250332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.250332][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.250332][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.250332][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.250332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.250332][ T73] [ 3905.252366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3905.252366][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.252366][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.252366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.252366][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3905.252366][ T73] ipv6_add_addr+0x411/0x2000 [ 3905.252366][ T73] inet6_addr_add+0x30e/0xa40 [ 3905.252366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.252366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.252366][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.252366][ T73] netlink_unicast+0x449/0x710 [ 3905.252366][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.252366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.252366][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.252366][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.252366][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.252366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.252366][ T73] [ 3905.254592][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3905.254592][ T73] netdev_get_by_index+0x5e/0x80 [ 3905.254592][ T73] fib6_nh_init+0x3d8/0x1580 [ 3905.254592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3905.254592][ T73] ip6_route_add+0x1c/0x140 [ 3905.254592][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3905.254592][ T73] addrconf_add_dev+0xe2/0x170 [ 3905.254592][ T73] inet6_addr_add+0x12f/0xa40 [ 3905.254592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.254592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.254592][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.254592][ T73] netlink_unicast+0x449/0x710 [ 3905.254592][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.254592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.254592][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.254592][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.254592][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.254592][ T73] [ 3905.256836][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3905.256836][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3905.256836][ T73] ipv6_find_idev+0x102/0x170 [ 3905.256836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.256836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.256836][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.256836][ T73] netlink_unicast+0x449/0x710 [ 3905.256836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.256836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.256836][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.256836][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.256836][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.256836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.256836][ T73] [ 3905.258532][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3905.258532][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3905.258532][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3905.258532][ T73] ipv6_find_idev+0x102/0x170 [ 3905.258532][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.258532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.258532][ T73] netlink_rcv_skb+0x130/0x360 [ 3905.258532][ T73] netlink_unicast+0x449/0x710 [ 3905.258532][ T73] netlink_sendmsg+0x723/0xbe0 [ 3905.258532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3905.258532][ T73] ___sys_sendmsg+0xee/0x170 [ 3905.258532][ T73] __sys_sendmsg+0xcd/0x170 [ 3905.258532][ T73] do_syscall_64+0xc6/0x1e0 [ 3905.258532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.258532][ T73] [ 3915.286828][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3915.287304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.287304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3915.287304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3915.287304][ T73] fib6_nh_init+0xa22/0x1580 [ 3915.287304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.287304][ T73] ip6_route_add+0x1c/0x140 [ 3915.287304][ T73] inet6_rtm_newroute+0x104/0x110 [ 3915.287304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.287304][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.287304][ T73] netlink_unicast+0x449/0x710 [ 3915.287304][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.287304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.287304][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.287304][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.287304][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.287304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.287304][ T73] [ 3915.289223][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.289223][ T73] dst_init+0x84/0x4a0 [ 3915.289223][ T73] dst_alloc+0x97/0x150 [ 3915.289223][ T73] ip6_dst_alloc+0x23/0x90 [ 3915.289223][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3915.289223][ T73] ip6_pol_route+0x56f/0x840 [ 3915.289223][ T73] fib6_rule_lookup+0x456/0x630 [ 3915.289223][ T73] ip6_route_input+0x59c/0xa50 [ 3915.289223][ T73] ipv6_rcv+0x397/0x810 [ 3915.289223][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3915.289223][ T73] process_backlog+0x101/0x620 [ 3915.289223][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3915.289223][ T73] net_rx_action+0x495/0xbe0 [ 3915.289223][ T73] __do_softirq+0x1b5/0x7f6 [ 3915.289223][ T73] [ 3915.290859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.290859][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.290859][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.290859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.290859][ T73] ip6_route_add+0x1c/0x140 [ 3915.290859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3915.290859][ T73] inet6_addr_add+0x4f8/0xa40 [ 3915.290859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.290859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.290859][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.290859][ T73] netlink_unicast+0x449/0x710 [ 3915.290859][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.290859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.290859][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.290859][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.290859][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.290859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.290859][ T73] [ 3915.292866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.292866][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.292866][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.292866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.292866][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3915.292866][ T73] ipv6_add_addr+0x411/0x2000 [ 3915.292866][ T73] inet6_addr_add+0x30e/0xa40 [ 3915.292866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.292866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.292866][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.292866][ T73] netlink_unicast+0x449/0x710 [ 3915.292866][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.292866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.292866][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.292866][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.292866][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.292866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.292866][ T73] [ 3915.294884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.294884][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.294884][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.294884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.294884][ T73] ip6_route_add+0x1c/0x140 [ 3915.294884][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.294884][ T73] addrconf_add_dev+0xe2/0x170 [ 3915.294884][ T73] inet6_addr_add+0x12f/0xa40 [ 3915.294884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.294884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.294884][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.294884][ T73] netlink_unicast+0x449/0x710 [ 3915.294884][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.294884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.294884][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.294884][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.294884][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.294884][ T73] [ 3915.296869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.296869][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3915.296869][ T73] ipv6_find_idev+0x102/0x170 [ 3915.296869][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.296869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.296869][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.296869][ T73] netlink_unicast+0x449/0x710 [ 3915.296869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.296869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.296869][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.296869][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.296869][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.296869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.296869][ T73] [ 3915.298415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3915.298415][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3915.298415][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3915.298415][ T73] ipv6_find_idev+0x102/0x170 [ 3915.298415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.298415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.298415][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.298415][ T73] netlink_unicast+0x449/0x710 [ 3915.298415][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.298415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.298415][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.298415][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.298415][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.298415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.298415][ T73] [ 3915.300119][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3915.300389][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.300389][ T73] dst_init+0x84/0x4a0 [ 3915.300389][ T73] dst_alloc+0x97/0x150 [ 3915.300389][ T73] ip6_dst_alloc+0x23/0x90 [ 3915.300389][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3915.300389][ T73] ip6_pol_route+0x56f/0x840 [ 3915.300389][ T73] fib6_rule_lookup+0x456/0x630 [ 3915.300389][ T73] ip6_route_input+0x59c/0xa50 [ 3915.300389][ T73] ipv6_rcv+0x397/0x810 [ 3915.300389][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3915.300389][ T73] process_backlog+0x101/0x620 [ 3915.300389][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3915.300389][ T73] net_rx_action+0x495/0xbe0 [ 3915.300389][ T73] __do_softirq+0x1b5/0x7f6 [ 3915.300389][ T73] [ 3915.302037][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.302037][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.302037][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.302037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.302037][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3915.302037][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.302037][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3915.302037][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.302037][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3915.302037][ T73] addrconf_dad_begin+0x310/0x670 [ 3915.302037][ T73] addrconf_dad_work+0x10b/0xab0 [ 3915.302037][ T73] process_one_work+0x84d/0x18a0 [ 3915.302037][ T73] worker_thread+0x587/0xd30 [ 3915.302037][ T73] kthread+0x28a/0x350 [ 3915.302037][ T73] ret_from_fork+0x31/0x70 [ 3915.302037][ T73] ret_from_fork_asm+0x1a/0x30 [ 3915.302037][ T73] [ 3915.303965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.303965][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.303965][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.303965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.303965][ T73] ip6_route_add+0x1c/0x140 [ 3915.303965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3915.303965][ T73] inet6_addr_add+0x4f8/0xa40 [ 3915.303965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.303965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.303965][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.303965][ T73] netlink_unicast+0x449/0x710 [ 3915.303965][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.303965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.303965][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.303965][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.303965][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.303965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.303965][ T73] [ 3915.305971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.305971][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.305971][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.305971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.305971][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3915.305971][ T73] ipv6_add_addr+0x411/0x2000 [ 3915.305971][ T73] inet6_addr_add+0x30e/0xa40 [ 3915.305971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.305971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.305971][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.305971][ T73] netlink_unicast+0x449/0x710 [ 3915.305971][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.305971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.305971][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.305971][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.305971][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.305971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.305971][ T73] [ 3915.307975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.307975][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.307975][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.307975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.307975][ T73] ip6_route_add+0x1c/0x140 [ 3915.307975][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.307975][ T73] addrconf_add_dev+0xe2/0x170 [ 3915.307975][ T73] inet6_addr_add+0x12f/0xa40 [ 3915.307975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.307975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.307975][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.307975][ T73] netlink_unicast+0x449/0x710 [ 3915.307975][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.307975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.307975][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.307975][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.307975][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.307975][ T73] [ 3915.309944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.309944][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3915.309944][ T73] ipv6_find_idev+0x102/0x170 [ 3915.309944][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.309944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.309944][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.309944][ T73] netlink_unicast+0x449/0x710 [ 3915.309944][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.309944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.309944][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.309944][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.309944][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.309944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.309944][ T73] [ 3915.311487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3915.311487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3915.311487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3915.311487][ T73] ipv6_find_idev+0x102/0x170 [ 3915.311487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.311487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.311487][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.311487][ T73] netlink_unicast+0x449/0x710 [ 3915.311487][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.311487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.311487][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.311487][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.311487][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.311487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.311487][ T73] [ 3915.313259][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3915.313531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.313531][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3915.313531][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3915.313531][ T73] fib6_nh_init+0xa22/0x1580 [ 3915.313531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.313531][ T73] ip6_route_add+0x1c/0x140 [ 3915.313531][ T73] inet6_rtm_newroute+0x104/0x110 [ 3915.313531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.313531][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.313531][ T73] netlink_unicast+0x449/0x710 [ 3915.313531][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.313531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.313531][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.313531][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.313531][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.313531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.313531][ T73] [ 3915.315608][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.315608][ T73] dst_init+0x84/0x4a0 [ 3915.315608][ T73] dst_alloc+0x97/0x150 [ 3915.315608][ T73] ip6_dst_alloc+0x23/0x90 [ 3915.315608][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3915.315608][ T73] ip6_pol_route+0x56f/0x840 [ 3915.315608][ T73] fib6_rule_lookup+0x456/0x630 [ 3915.315608][ T73] ip6_route_input+0x59c/0xa50 [ 3915.315608][ T73] ipv6_rcv+0x397/0x810 [ 3915.315608][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3915.315608][ T73] process_backlog+0x101/0x620 [ 3915.315608][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3915.315608][ T73] net_rx_action+0x495/0xbe0 [ 3915.315608][ T73] __do_softirq+0x1b5/0x7f6 [ 3915.315608][ T73] [ 3915.317314][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.317314][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.317314][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.317314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.317314][ T73] ip6_route_add+0x1c/0x140 [ 3915.317314][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3915.317314][ T73] inet6_addr_add+0x4f8/0xa40 [ 3915.317314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.317314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.317314][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.317314][ T73] netlink_unicast+0x449/0x710 [ 3915.317314][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.317314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.317314][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.317314][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.317314][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.317314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.317314][ T73] [ 3915.319455][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.319455][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.319455][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.319455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.319455][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3915.319455][ T73] ipv6_add_addr+0x411/0x2000 [ 3915.319455][ T73] inet6_addr_add+0x30e/0xa40 [ 3915.319455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.319455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.319455][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.319455][ T73] netlink_unicast+0x449/0x710 [ 3915.319455][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.319455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.319455][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.319455][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.319455][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.319455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.319455][ T73] [ 3915.321588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.321588][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.321588][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.321588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.321588][ T73] ip6_route_add+0x1c/0x140 [ 3915.321588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.321588][ T73] addrconf_add_dev+0xe2/0x170 [ 3915.321588][ T73] inet6_addr_add+0x12f/0xa40 [ 3915.321588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.321588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.321588][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.321588][ T73] netlink_unicast+0x449/0x710 [ 3915.321588][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.321588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.321588][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.321588][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.321588][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.321588][ T73] [ 3915.323687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.323687][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3915.323687][ T73] ipv6_find_idev+0x102/0x170 [ 3915.323687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.323687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.323687][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.323687][ T73] netlink_unicast+0x449/0x710 [ 3915.323687][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.323687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.323687][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.323687][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.323687][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.323687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.323687][ T73] [ 3915.325298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3915.325298][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3915.325298][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3915.325298][ T73] ipv6_find_idev+0x102/0x170 [ 3915.325298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.325298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.325298][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.325298][ T73] netlink_unicast+0x449/0x710 [ 3915.325298][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.325298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.325298][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.325298][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.325298][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.325298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.325298][ T73] [ 3915.327126][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3915.327398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3915.327398][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.327398][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.327398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.327398][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3915.327398][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.327398][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3915.327398][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.327398][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3915.327398][ T73] addrconf_dad_begin+0x310/0x670 [ 3915.327398][ T73] addrconf_dad_work+0x10b/0xab0 [ 3915.327398][ T73] process_one_work+0x84d/0x18a0 [ 3915.327398][ T73] worker_thread+0x587/0xd30 [ 3915.327398][ T73] kthread+0x28a/0x350 [ 3915.327398][ T73] ret_from_fork+0x31/0x70 [ 3915.327398][ T73] ret_from_fork_asm+0x1a/0x30 [ 3915.327398][ T73] [ 3915.329453][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3915.329453][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.329453][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.329453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.329453][ T73] ip6_route_add+0x1c/0x140 [ 3915.329453][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3915.329453][ T73] inet6_addr_add+0x4f8/0xa40 [ 3915.329453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.329453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.329453][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.329453][ T73] netlink_unicast+0x449/0x710 [ 3915.329453][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.329453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.329453][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.329453][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.329453][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.329453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.329453][ T73] [ 3915.331581][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3915.331581][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.331581][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.331581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.331581][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3915.331581][ T73] ipv6_add_addr+0x411/0x2000 [ 3915.331581][ T73] inet6_addr_add+0x30e/0xa40 [ 3915.331581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.331581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.331581][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.331581][ T73] netlink_unicast+0x449/0x710 [ 3915.331581][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.331581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.331581][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.331581][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.331581][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.331581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.331581][ T73] [ 3915.333711][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3915.333711][ T73] netdev_get_by_index+0x5e/0x80 [ 3915.333711][ T73] fib6_nh_init+0x3d8/0x1580 [ 3915.333711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3915.333711][ T73] ip6_route_add+0x1c/0x140 [ 3915.333711][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.333711][ T73] addrconf_add_dev+0xe2/0x170 [ 3915.333711][ T73] inet6_addr_add+0x12f/0xa40 [ 3915.333711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.333711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.333711][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.333711][ T73] netlink_unicast+0x449/0x710 [ 3915.333711][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.333711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.333711][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.333711][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.333711][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.333711][ T73] [ 3915.335808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3915.335808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3915.335808][ T73] ipv6_find_idev+0x102/0x170 [ 3915.335808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.335808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.335808][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.335808][ T73] netlink_unicast+0x449/0x710 [ 3915.335808][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.335808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.335808][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.335808][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.335808][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.335808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.335808][ T73] [ 3915.337438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3915.337438][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3915.337438][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3915.337438][ T73] ipv6_find_idev+0x102/0x170 [ 3915.337438][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.337438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.337438][ T73] netlink_rcv_skb+0x130/0x360 [ 3915.337438][ T73] netlink_unicast+0x449/0x710 [ 3915.337438][ T73] netlink_sendmsg+0x723/0xbe0 [ 3915.337438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3915.337438][ T73] ___sys_sendmsg+0xee/0x170 [ 3915.337438][ T73] __sys_sendmsg+0xcd/0x170 [ 3915.337438][ T73] do_syscall_64+0xc6/0x1e0 [ 3915.337438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.337438][ T73] [ 3925.574894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3925.575370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.575370][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3925.575370][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3925.575370][ T73] fib6_nh_init+0xa22/0x1580 [ 3925.575370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.575370][ T73] ip6_route_add+0x1c/0x140 [ 3925.575370][ T73] inet6_rtm_newroute+0x104/0x110 [ 3925.575370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.575370][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.575370][ T73] netlink_unicast+0x449/0x710 [ 3925.575370][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.575370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.575370][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.575370][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.575370][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.575370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.575370][ T73] [ 3925.577265][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.577265][ T73] dst_init+0x84/0x4a0 [ 3925.577265][ T73] dst_alloc+0x97/0x150 [ 3925.577265][ T73] ip6_dst_alloc+0x23/0x90 [ 3925.577265][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3925.577265][ T73] ip6_pol_route+0x56f/0x840 [ 3925.577265][ T73] fib6_rule_lookup+0x456/0x630 [ 3925.577265][ T73] ip6_route_input+0x59c/0xa50 [ 3925.577265][ T73] ipv6_rcv+0x397/0x810 [ 3925.577265][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3925.577265][ T73] process_backlog+0x101/0x620 [ 3925.577265][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3925.577265][ T73] net_rx_action+0x495/0xbe0 [ 3925.577265][ T73] __do_softirq+0x1b5/0x7f6 [ 3925.577265][ T73] [ 3925.578898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.578898][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.578898][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.578898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.578898][ T73] ip6_route_add+0x1c/0x140 [ 3925.578898][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3925.578898][ T73] inet6_addr_add+0x4f8/0xa40 [ 3925.578898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.578898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.578898][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.578898][ T73] netlink_unicast+0x449/0x710 [ 3925.578898][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.578898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.578898][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.578898][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.578898][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.578898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.578898][ T73] [ 3925.580895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.580895][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.580895][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.580895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.580895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3925.580895][ T73] ipv6_add_addr+0x411/0x2000 [ 3925.580895][ T73] inet6_addr_add+0x30e/0xa40 [ 3925.580895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.580895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.580895][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.580895][ T73] netlink_unicast+0x449/0x710 [ 3925.580895][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.580895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.580895][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.580895][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.580895][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.580895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.580895][ T73] [ 3925.582887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.582887][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.582887][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.582887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.582887][ T73] ip6_route_add+0x1c/0x140 [ 3925.582887][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.582887][ T73] addrconf_add_dev+0xe2/0x170 [ 3925.582887][ T73] inet6_addr_add+0x12f/0xa40 [ 3925.582887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.582887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.582887][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.582887][ T73] netlink_unicast+0x449/0x710 [ 3925.582887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.582887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.582887][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.582887][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.582887][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.582887][ T73] [ 3925.584836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.584836][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3925.584836][ T73] ipv6_find_idev+0x102/0x170 [ 3925.584836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.584836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.584836][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.584836][ T73] netlink_unicast+0x449/0x710 [ 3925.584836][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.584836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.584836][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.584836][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.584836][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.584836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.584836][ T73] [ 3925.586886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3925.586886][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3925.586886][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3925.586886][ T73] ipv6_find_idev+0x102/0x170 [ 3925.586886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.586886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.586886][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.586886][ T73] netlink_unicast+0x449/0x710 [ 3925.586886][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.586886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.586886][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.586886][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.586886][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.586886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.586886][ T73] [ 3925.588555][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3925.588840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.588840][ T73] dst_init+0x84/0x4a0 [ 3925.588840][ T73] dst_alloc+0x97/0x150 [ 3925.588840][ T73] ip6_dst_alloc+0x23/0x90 [ 3925.588840][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3925.588840][ T73] ip6_pol_route+0x56f/0x840 [ 3925.588840][ T73] fib6_rule_lookup+0x456/0x630 [ 3925.588840][ T73] ip6_route_input+0x59c/0xa50 [ 3925.588840][ T73] ipv6_rcv+0x397/0x810 [ 3925.588840][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3925.588840][ T73] process_backlog+0x101/0x620 [ 3925.588840][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3925.588840][ T73] net_rx_action+0x495/0xbe0 [ 3925.588840][ T73] __do_softirq+0x1b5/0x7f6 [ 3925.588840][ T73] [ 3925.590464][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.590464][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.590464][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.590464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.590464][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3925.590464][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.590464][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3925.590464][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.590464][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3925.590464][ T73] addrconf_dad_begin+0x310/0x670 [ 3925.590464][ T73] addrconf_dad_work+0x10b/0xab0 [ 3925.590464][ T73] process_one_work+0x84d/0x18a0 [ 3925.590464][ T73] worker_thread+0x587/0xd30 [ 3925.590464][ T73] kthread+0x28a/0x350 [ 3925.590464][ T73] ret_from_fork+0x31/0x70 [ 3925.590464][ T73] ret_from_fork_asm+0x1a/0x30 [ 3925.590464][ T73] [ 3925.592363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.592363][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.592363][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.592363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.592363][ T73] ip6_route_add+0x1c/0x140 [ 3925.592363][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3925.592363][ T73] inet6_addr_add+0x4f8/0xa40 [ 3925.592363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.592363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.592363][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.592363][ T73] netlink_unicast+0x449/0x710 [ 3925.592363][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.592363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.592363][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.592363][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.592363][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.592363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.592363][ T73] [ 3925.594341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.594341][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.594341][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.594341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.594341][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3925.594341][ T73] ipv6_add_addr+0x411/0x2000 [ 3925.594341][ T73] inet6_addr_add+0x30e/0xa40 [ 3925.594341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.594341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.594341][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.594341][ T73] netlink_unicast+0x449/0x710 [ 3925.594341][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.594341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.594341][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.594341][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.594341][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.594341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.594341][ T73] [ 3925.596327][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.596327][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.596327][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.596327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.596327][ T73] ip6_route_add+0x1c/0x140 [ 3925.596327][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.596327][ T73] addrconf_add_dev+0xe2/0x170 [ 3925.596327][ T73] inet6_addr_add+0x12f/0xa40 [ 3925.596327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.596327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.596327][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.596327][ T73] netlink_unicast+0x449/0x710 [ 3925.596327][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.596327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.596327][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.596327][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.596327][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.596327][ T73] [ 3925.598280][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.598280][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3925.598280][ T73] ipv6_find_idev+0x102/0x170 [ 3925.598280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.598280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.598280][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.598280][ T73] netlink_unicast+0x449/0x710 [ 3925.598280][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.598280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.598280][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.598280][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.598280][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.598280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.598280][ T73] [ 3925.599802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3925.599802][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3925.599802][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3925.599802][ T73] ipv6_find_idev+0x102/0x170 [ 3925.599802][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.599802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.599802][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.599802][ T73] netlink_unicast+0x449/0x710 [ 3925.599802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.599802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.599802][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.599802][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.599802][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.599802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.599802][ T73] [ 3925.601591][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3925.601871][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.601871][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3925.601871][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3925.601871][ T73] fib6_nh_init+0xa22/0x1580 [ 3925.601871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.601871][ T73] ip6_route_add+0x1c/0x140 [ 3925.601871][ T73] inet6_rtm_newroute+0x104/0x110 [ 3925.601871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.601871][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.601871][ T73] netlink_unicast+0x449/0x710 [ 3925.601871][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.601871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.601871][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.601871][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.601871][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.601871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.601871][ T73] [ 3925.603987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.603987][ T73] dst_init+0x84/0x4a0 [ 3925.603987][ T73] dst_alloc+0x97/0x150 [ 3925.603987][ T73] ip6_dst_alloc+0x23/0x90 [ 3925.603987][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3925.603987][ T73] ip6_pol_route+0x56f/0x840 [ 3925.603987][ T73] fib6_rule_lookup+0x456/0x630 [ 3925.603987][ T73] ip6_route_input+0x59c/0xa50 [ 3925.603987][ T73] ipv6_rcv+0x397/0x810 [ 3925.603987][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3925.603987][ T73] process_backlog+0x101/0x620 [ 3925.603987][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3925.603987][ T73] net_rx_action+0x495/0xbe0 [ 3925.603987][ T73] __do_softirq+0x1b5/0x7f6 [ 3925.603987][ T73] [ 3925.606197][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.606197][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.606197][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.606197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.606197][ T73] ip6_route_add+0x1c/0x140 [ 3925.606197][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3925.606197][ T73] inet6_addr_add+0x4f8/0xa40 [ 3925.606197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.606197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.606197][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.606197][ T73] netlink_unicast+0x449/0x710 [ 3925.606197][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.606197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.606197][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.606197][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.606197][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.606197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.606197][ T73] [ 3925.608479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.608479][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.608479][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.608479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.608479][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3925.608479][ T73] ipv6_add_addr+0x411/0x2000 [ 3925.608479][ T73] inet6_addr_add+0x30e/0xa40 [ 3925.608479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.608479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.608479][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.608479][ T73] netlink_unicast+0x449/0x710 [ 3925.608479][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.608479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.608479][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.608479][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.608479][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.608479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.608479][ T73] [ 3925.610640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.610640][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.610640][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.610640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.610640][ T73] ip6_route_add+0x1c/0x140 [ 3925.610640][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.610640][ T73] addrconf_add_dev+0xe2/0x170 [ 3925.610640][ T73] inet6_addr_add+0x12f/0xa40 [ 3925.610640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.610640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.610640][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.610640][ T73] netlink_unicast+0x449/0x710 [ 3925.610640][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.610640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.610640][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.610640][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.610640][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.610640][ T73] [ 3925.612831][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.612831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3925.612831][ T73] ipv6_find_idev+0x102/0x170 [ 3925.612831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.612831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.612831][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.612831][ T73] netlink_unicast+0x449/0x710 [ 3925.612831][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.612831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.612831][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.612831][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.612831][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.612831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.612831][ T73] [ 3925.614551][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3925.614551][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3925.614551][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3925.614551][ T73] ipv6_find_idev+0x102/0x170 [ 3925.614551][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.614551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.614551][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.614551][ T73] netlink_unicast+0x449/0x710 [ 3925.614551][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.614551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.614551][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.614551][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.614551][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.614551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.614551][ T73] [ 3925.616519][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3925.616792][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3925.616792][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.616792][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.616792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.616792][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3925.616792][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.616792][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3925.616792][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.616792][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3925.616792][ T73] addrconf_dad_begin+0x310/0x670 [ 3925.616792][ T73] addrconf_dad_work+0x10b/0xab0 [ 3925.616792][ T73] process_one_work+0x84d/0x18a0 [ 3925.616792][ T73] worker_thread+0x587/0xd30 [ 3925.616792][ T73] kthread+0x28a/0x350 [ 3925.616792][ T73] ret_from_fork+0x31/0x70 [ 3925.616792][ T73] ret_from_fork_asm+0x1a/0x30 [ 3925.616792][ T73] [ 3925.618925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3925.618925][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.618925][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.618925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.618925][ T73] ip6_route_add+0x1c/0x140 [ 3925.618925][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3925.618925][ T73] inet6_addr_add+0x4f8/0xa40 [ 3925.618925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.618925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.618925][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.618925][ T73] netlink_unicast+0x449/0x710 [ 3925.618925][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.618925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.618925][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.618925][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.618925][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.618925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.618925][ T73] [ 3925.621082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3925.621082][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.621082][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.621082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.621082][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3925.621082][ T73] ipv6_add_addr+0x411/0x2000 [ 3925.621082][ T73] inet6_addr_add+0x30e/0xa40 [ 3925.621082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.621082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.621082][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.621082][ T73] netlink_unicast+0x449/0x710 [ 3925.621082][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.621082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.621082][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.621082][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.621082][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.621082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.621082][ T73] [ 3925.623310][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3925.623310][ T73] netdev_get_by_index+0x5e/0x80 [ 3925.623310][ T73] fib6_nh_init+0x3d8/0x1580 [ 3925.623310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3925.623310][ T73] ip6_route_add+0x1c/0x140 [ 3925.623310][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.623310][ T73] addrconf_add_dev+0xe2/0x170 [ 3925.623310][ T73] inet6_addr_add+0x12f/0xa40 [ 3925.623310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.623310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.623310][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.623310][ T73] netlink_unicast+0x449/0x710 [ 3925.623310][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.623310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.623310][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.623310][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.623310][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.623310][ T73] [ 3925.625497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3925.625497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3925.625497][ T73] ipv6_find_idev+0x102/0x170 [ 3925.625497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.625497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.625497][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.625497][ T73] netlink_unicast+0x449/0x710 [ 3925.625497][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.625497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.625497][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.625497][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.625497][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.625497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.625497][ T73] [ 3925.627264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3925.627264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3925.627264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3925.627264][ T73] ipv6_find_idev+0x102/0x170 [ 3925.627264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.627264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.627264][ T73] netlink_rcv_skb+0x130/0x360 [ 3925.627264][ T73] netlink_unicast+0x449/0x710 [ 3925.627264][ T73] netlink_sendmsg+0x723/0xbe0 [ 3925.627264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3925.627264][ T73] ___sys_sendmsg+0xee/0x170 [ 3925.627264][ T73] __sys_sendmsg+0xcd/0x170 [ 3925.627264][ T73] do_syscall_64+0xc6/0x1e0 [ 3925.627264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.627264][ T73] [ 3935.734892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3935.735347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.735347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3935.735347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3935.735347][ T73] fib6_nh_init+0xa22/0x1580 [ 3935.735347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.735347][ T73] ip6_route_add+0x1c/0x140 [ 3935.735347][ T73] inet6_rtm_newroute+0x104/0x110 [ 3935.735347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.735347][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.735347][ T73] netlink_unicast+0x449/0x710 [ 3935.735347][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.735347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.735347][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.735347][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.735347][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.735347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.735347][ T73] [ 3935.737234][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.737234][ T73] dst_init+0x84/0x4a0 [ 3935.737234][ T73] dst_alloc+0x97/0x150 [ 3935.737234][ T73] ip6_dst_alloc+0x23/0x90 [ 3935.737234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3935.737234][ T73] ip6_pol_route+0x56f/0x840 [ 3935.737234][ T73] fib6_rule_lookup+0x456/0x630 [ 3935.737234][ T73] ip6_route_input+0x59c/0xa50 [ 3935.737234][ T73] ipv6_rcv+0x397/0x810 [ 3935.737234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3935.737234][ T73] process_backlog+0x101/0x620 [ 3935.737234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3935.737234][ T73] net_rx_action+0x495/0xbe0 [ 3935.737234][ T73] __do_softirq+0x1b5/0x7f6 [ 3935.737234][ T73] [ 3935.739268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.739268][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.739268][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.739268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.739268][ T73] ip6_route_add+0x1c/0x140 [ 3935.739268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3935.739268][ T73] inet6_addr_add+0x4f8/0xa40 [ 3935.739268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.739268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.739268][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.739268][ T73] netlink_unicast+0x449/0x710 [ 3935.739268][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.739268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.739268][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.739268][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.739268][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.739268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.739268][ T73] [ 3935.741270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.741270][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.741270][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.741270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.741270][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3935.741270][ T73] ipv6_add_addr+0x411/0x2000 [ 3935.741270][ T73] inet6_addr_add+0x30e/0xa40 [ 3935.741270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.741270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.741270][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.741270][ T73] netlink_unicast+0x449/0x710 [ 3935.741270][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.741270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.741270][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.741270][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.741270][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.741270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.741270][ T73] [ 3935.743262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.743262][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.743262][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.743262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.743262][ T73] ip6_route_add+0x1c/0x140 [ 3935.743262][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.743262][ T73] addrconf_add_dev+0xe2/0x170 [ 3935.743262][ T73] inet6_addr_add+0x12f/0xa40 [ 3935.743262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.743262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.743262][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.743262][ T73] netlink_unicast+0x449/0x710 [ 3935.743262][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.743262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.743262][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.743262][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.743262][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.743262][ T73] [ 3935.745231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.745231][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3935.745231][ T73] ipv6_find_idev+0x102/0x170 [ 3935.745231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.745231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.745231][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.745231][ T73] netlink_unicast+0x449/0x710 [ 3935.745231][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.745231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.745231][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.745231][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.745231][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.745231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.745231][ T73] [ 3935.746760][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3935.746760][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3935.746760][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3935.746760][ T73] ipv6_find_idev+0x102/0x170 [ 3935.746760][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.746760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.746760][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.746760][ T73] netlink_unicast+0x449/0x710 [ 3935.746760][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.746760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.746760][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.746760][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.746760][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.746760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.746760][ T73] [ 3935.748440][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3935.748716][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.748716][ T73] dst_init+0x84/0x4a0 [ 3935.748716][ T73] dst_alloc+0x97/0x150 [ 3935.748716][ T73] ip6_dst_alloc+0x23/0x90 [ 3935.748716][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3935.748716][ T73] ip6_pol_route+0x56f/0x840 [ 3935.748716][ T73] fib6_rule_lookup+0x456/0x630 [ 3935.748716][ T73] ip6_route_input+0x59c/0xa50 [ 3935.748716][ T73] ipv6_rcv+0x397/0x810 [ 3935.748716][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3935.748716][ T73] process_backlog+0x101/0x620 [ 3935.748716][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3935.748716][ T73] net_rx_action+0x495/0xbe0 [ 3935.748716][ T73] __do_softirq+0x1b5/0x7f6 [ 3935.748716][ T73] [ 3935.750340][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.750340][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.750340][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.750340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.750340][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3935.750340][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.750340][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3935.750340][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.750340][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3935.750340][ T73] addrconf_dad_begin+0x310/0x670 [ 3935.750340][ T73] addrconf_dad_work+0x10b/0xab0 [ 3935.750340][ T73] process_one_work+0x84d/0x18a0 [ 3935.750340][ T73] worker_thread+0x587/0xd30 [ 3935.750340][ T73] kthread+0x28a/0x350 [ 3935.750340][ T73] ret_from_fork+0x31/0x70 [ 3935.750340][ T73] ret_from_fork_asm+0x1a/0x30 [ 3935.750340][ T73] [ 3935.752243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.752243][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.752243][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.752243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.752243][ T73] ip6_route_add+0x1c/0x140 [ 3935.752243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3935.752243][ T73] inet6_addr_add+0x4f8/0xa40 [ 3935.752243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.752243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.752243][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.752243][ T73] netlink_unicast+0x449/0x710 [ 3935.752243][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.752243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.752243][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.752243][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.752243][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.752243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.752243][ T73] [ 3935.754234][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.754234][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.754234][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.754234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.754234][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3935.754234][ T73] ipv6_add_addr+0x411/0x2000 [ 3935.754234][ T73] inet6_addr_add+0x30e/0xa40 [ 3935.754234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.754234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.754234][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.754234][ T73] netlink_unicast+0x449/0x710 [ 3935.754234][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.754234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.754234][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.754234][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.754234][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.754234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.754234][ T73] [ 3935.756213][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.756213][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.756213][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.756213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.756213][ T73] ip6_route_add+0x1c/0x140 [ 3935.756213][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.756213][ T73] addrconf_add_dev+0xe2/0x170 [ 3935.756213][ T73] inet6_addr_add+0x12f/0xa40 [ 3935.756213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.756213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.756213][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.756213][ T73] netlink_unicast+0x449/0x710 [ 3935.756213][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.756213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.756213][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.756213][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.756213][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.756213][ T73] [ 3935.758167][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.758167][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3935.758167][ T73] ipv6_find_idev+0x102/0x170 [ 3935.758167][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.758167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.758167][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.758167][ T73] netlink_unicast+0x449/0x710 [ 3935.758167][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.758167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.758167][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.758167][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.758167][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.758167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.758167][ T73] [ 3935.759694][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3935.759694][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3935.759694][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3935.759694][ T73] ipv6_find_idev+0x102/0x170 [ 3935.759694][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.759694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.759694][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.759694][ T73] netlink_unicast+0x449/0x710 [ 3935.759694][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.759694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.759694][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.759694][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.759694][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.759694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.759694][ T73] [ 3935.761492][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3935.761760][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.761760][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3935.761760][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3935.761760][ T73] fib6_nh_init+0xa22/0x1580 [ 3935.761760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.761760][ T73] ip6_route_add+0x1c/0x140 [ 3935.761760][ T73] inet6_rtm_newroute+0x104/0x110 [ 3935.761760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.761760][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.761760][ T73] netlink_unicast+0x449/0x710 [ 3935.761760][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.761760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.761760][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.761760][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.761760][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.761760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.761760][ T73] [ 3935.763945][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.763945][ T73] dst_init+0x84/0x4a0 [ 3935.763945][ T73] dst_alloc+0x97/0x150 [ 3935.763945][ T73] ip6_dst_alloc+0x23/0x90 [ 3935.763945][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3935.763945][ T73] ip6_pol_route+0x56f/0x840 [ 3935.763945][ T73] fib6_rule_lookup+0x456/0x630 [ 3935.763945][ T73] ip6_route_input+0x59c/0xa50 [ 3935.763945][ T73] ipv6_rcv+0x397/0x810 [ 3935.763945][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3935.763945][ T73] process_backlog+0x101/0x620 [ 3935.763945][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3935.763945][ T73] net_rx_action+0x495/0xbe0 [ 3935.763945][ T73] __do_softirq+0x1b5/0x7f6 [ 3935.763945][ T73] [ 3935.765898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.765898][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.765898][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.765898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.765898][ T73] ip6_route_add+0x1c/0x140 [ 3935.765898][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3935.765898][ T73] inet6_addr_add+0x4f8/0xa40 [ 3935.765898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.765898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.765898][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.765898][ T73] netlink_unicast+0x449/0x710 [ 3935.765898][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.765898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.765898][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.765898][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.765898][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.765898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.765898][ T73] [ 3935.768318][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.768318][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.768318][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.768318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.768318][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3935.768318][ T73] ipv6_add_addr+0x411/0x2000 [ 3935.768318][ T73] inet6_addr_add+0x30e/0xa40 [ 3935.768318][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.768318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.768318][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.768318][ T73] netlink_unicast+0x449/0x710 [ 3935.768318][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.768318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.768318][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.768318][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.768318][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.768318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.768318][ T73] [ 3935.770658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.770658][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.770658][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.770658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.770658][ T73] ip6_route_add+0x1c/0x140 [ 3935.770658][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.770658][ T73] addrconf_add_dev+0xe2/0x170 [ 3935.770658][ T73] inet6_addr_add+0x12f/0xa40 [ 3935.770658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.770658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.770658][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.770658][ T73] netlink_unicast+0x449/0x710 [ 3935.770658][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.770658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.770658][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.770658][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.770658][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.770658][ T73] [ 3935.773124][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.773124][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3935.773124][ T73] ipv6_find_idev+0x102/0x170 [ 3935.773124][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.773124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.773124][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.773124][ T73] netlink_unicast+0x449/0x710 [ 3935.773124][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.773124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.773124][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.773124][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.773124][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.773124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.773124][ T73] [ 3935.774961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3935.774961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3935.774961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3935.774961][ T73] ipv6_find_idev+0x102/0x170 [ 3935.774961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.774961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.774961][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.774961][ T73] netlink_unicast+0x449/0x710 [ 3935.774961][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.774961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.774961][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.774961][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.774961][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.774961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.774961][ T73] [ 3935.776998][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3935.777285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3935.777285][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.777285][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.777285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.777285][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3935.777285][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.777285][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3935.777285][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.777285][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3935.777285][ T73] addrconf_dad_begin+0x310/0x670 [ 3935.777285][ T73] addrconf_dad_work+0x10b/0xab0 [ 3935.777285][ T73] process_one_work+0x84d/0x18a0 [ 3935.777285][ T73] worker_thread+0x587/0xd30 [ 3935.777285][ T73] kthread+0x28a/0x350 [ 3935.777285][ T73] ret_from_fork+0x31/0x70 [ 3935.777285][ T73] ret_from_fork_asm+0x1a/0x30 [ 3935.777285][ T73] [ 3935.779594][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3935.779594][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.779594][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.779594][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.779594][ T73] ip6_route_add+0x1c/0x140 [ 3935.779594][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3935.779594][ T73] inet6_addr_add+0x4f8/0xa40 [ 3935.779594][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.779594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.779594][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.779594][ T73] netlink_unicast+0x449/0x710 [ 3935.779594][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.779594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.779594][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.779594][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.779594][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.779594][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.779594][ T73] [ 3935.781835][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3935.781835][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.781835][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.781835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.781835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3935.781835][ T73] ipv6_add_addr+0x411/0x2000 [ 3935.781835][ T73] inet6_addr_add+0x30e/0xa40 [ 3935.781835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.781835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.781835][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.781835][ T73] netlink_unicast+0x449/0x710 [ 3935.781835][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.781835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.781835][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.781835][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.781835][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.781835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.781835][ T73] [ 3935.784153][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3935.784153][ T73] netdev_get_by_index+0x5e/0x80 [ 3935.784153][ T73] fib6_nh_init+0x3d8/0x1580 [ 3935.784153][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3935.784153][ T73] ip6_route_add+0x1c/0x140 [ 3935.784153][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.784153][ T73] addrconf_add_dev+0xe2/0x170 [ 3935.784153][ T73] inet6_addr_add+0x12f/0xa40 [ 3935.784153][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.784153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.784153][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.784153][ T73] netlink_unicast+0x449/0x710 [ 3935.784153][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.784153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.784153][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.784153][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.784153][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.784153][ T73] [ 3935.786401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3935.786401][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3935.786401][ T73] ipv6_find_idev+0x102/0x170 [ 3935.786401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.786401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.786401][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.786401][ T73] netlink_unicast+0x449/0x710 [ 3935.786401][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.786401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.786401][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.786401][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.786401][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.786401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.786401][ T73] [ 3935.788192][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3935.788192][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3935.788192][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3935.788192][ T73] ipv6_find_idev+0x102/0x170 [ 3935.788192][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.788192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.788192][ T73] netlink_rcv_skb+0x130/0x360 [ 3935.788192][ T73] netlink_unicast+0x449/0x710 [ 3935.788192][ T73] netlink_sendmsg+0x723/0xbe0 [ 3935.788192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3935.788192][ T73] ___sys_sendmsg+0xee/0x170 [ 3935.788192][ T73] __sys_sendmsg+0xcd/0x170 [ 3935.788192][ T73] do_syscall_64+0xc6/0x1e0 [ 3935.788192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.788192][ T73] [ 3945.798919][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3945.799320][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.799320][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3945.799320][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3945.799320][ T73] fib6_nh_init+0xa22/0x1580 [ 3945.799320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.799320][ T73] ip6_route_add+0x1c/0x140 [ 3945.799320][ T73] inet6_rtm_newroute+0x104/0x110 [ 3945.799320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.799320][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.799320][ T73] netlink_unicast+0x449/0x710 [ 3945.799320][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.799320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.799320][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.799320][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.799320][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.799320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.799320][ T73] [ 3945.801223][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.801223][ T73] dst_init+0x84/0x4a0 [ 3945.801223][ T73] dst_alloc+0x97/0x150 [ 3945.801223][ T73] ip6_dst_alloc+0x23/0x90 [ 3945.801223][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3945.801223][ T73] ip6_pol_route+0x56f/0x840 [ 3945.801223][ T73] fib6_rule_lookup+0x456/0x630 [ 3945.801223][ T73] ip6_route_input+0x59c/0xa50 [ 3945.801223][ T73] ipv6_rcv+0x397/0x810 [ 3945.801223][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3945.801223][ T73] process_backlog+0x101/0x620 [ 3945.801223][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3945.801223][ T73] net_rx_action+0x495/0xbe0 [ 3945.801223][ T73] __do_softirq+0x1b5/0x7f6 [ 3945.801223][ T73] [ 3945.802892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.802892][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.802892][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.802892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.802892][ T73] ip6_route_add+0x1c/0x140 [ 3945.802892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3945.802892][ T73] inet6_addr_add+0x4f8/0xa40 [ 3945.802892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.802892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.802892][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.802892][ T73] netlink_unicast+0x449/0x710 [ 3945.802892][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.802892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.802892][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.802892][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.802892][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.802892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.802892][ T73] [ 3945.804908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.804908][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.804908][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.804908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.804908][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3945.804908][ T73] ipv6_add_addr+0x411/0x2000 [ 3945.804908][ T73] inet6_addr_add+0x30e/0xa40 [ 3945.804908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.804908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.804908][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.804908][ T73] netlink_unicast+0x449/0x710 [ 3945.804908][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.804908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.804908][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.804908][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.804908][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.804908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.804908][ T73] [ 3945.806921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.806921][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.806921][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.806921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.806921][ T73] ip6_route_add+0x1c/0x140 [ 3945.806921][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.806921][ T73] addrconf_add_dev+0xe2/0x170 [ 3945.806921][ T73] inet6_addr_add+0x12f/0xa40 [ 3945.806921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.806921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.806921][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.806921][ T73] netlink_unicast+0x449/0x710 [ 3945.806921][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.806921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.806921][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.806921][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.806921][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.806921][ T73] [ 3945.808902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.808902][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3945.808902][ T73] ipv6_find_idev+0x102/0x170 [ 3945.808902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.808902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.808902][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.808902][ T73] netlink_unicast+0x449/0x710 [ 3945.808902][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.808902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.808902][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.808902][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.808902][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.808902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.808902][ T73] [ 3945.810457][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3945.810457][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3945.810457][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3945.810457][ T73] ipv6_find_idev+0x102/0x170 [ 3945.810457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.810457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.810457][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.810457][ T73] netlink_unicast+0x449/0x710 [ 3945.810457][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.810457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.810457][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.810457][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.810457][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.810457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.810457][ T73] [ 3945.812145][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3945.812426][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.812426][ T73] dst_init+0x84/0x4a0 [ 3945.812426][ T73] dst_alloc+0x97/0x150 [ 3945.812426][ T73] ip6_dst_alloc+0x23/0x90 [ 3945.812426][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3945.812426][ T73] ip6_pol_route+0x56f/0x840 [ 3945.812426][ T73] fib6_rule_lookup+0x456/0x630 [ 3945.812426][ T73] ip6_route_input+0x59c/0xa50 [ 3945.812426][ T73] ipv6_rcv+0x397/0x810 [ 3945.812426][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3945.812426][ T73] process_backlog+0x101/0x620 [ 3945.812426][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3945.812426][ T73] net_rx_action+0x495/0xbe0 [ 3945.812426][ T73] __do_softirq+0x1b5/0x7f6 [ 3945.812426][ T73] [ 3945.814078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.814078][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.814078][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.814078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.814078][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3945.814078][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3945.814078][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3945.814078][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3945.814078][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3945.814078][ T73] addrconf_dad_begin+0x310/0x670 [ 3945.814078][ T73] addrconf_dad_work+0x10b/0xab0 [ 3945.814078][ T73] process_one_work+0x84d/0x18a0 [ 3945.814078][ T73] worker_thread+0x587/0xd30 [ 3945.814078][ T73] kthread+0x28a/0x350 [ 3945.814078][ T73] ret_from_fork+0x31/0x70 [ 3945.814078][ T73] ret_from_fork_asm+0x1a/0x30 [ 3945.814078][ T73] [ 3945.815997][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.815997][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.815997][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.815997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.815997][ T73] ip6_route_add+0x1c/0x140 [ 3945.815997][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3945.815997][ T73] inet6_addr_add+0x4f8/0xa40 [ 3945.815997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.815997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.815997][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.815997][ T73] netlink_unicast+0x449/0x710 [ 3945.815997][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.815997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.815997][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.815997][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.815997][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.815997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.815997][ T73] [ 3945.818011][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.818011][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.818011][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.818011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.818011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3945.818011][ T73] ipv6_add_addr+0x411/0x2000 [ 3945.818011][ T73] inet6_addr_add+0x30e/0xa40 [ 3945.818011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.818011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.818011][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.818011][ T73] netlink_unicast+0x449/0x710 [ 3945.818011][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.818011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.818011][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.818011][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.818011][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.818011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.818011][ T73] [ 3945.820035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.820035][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.820035][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.820035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.820035][ T73] ip6_route_add+0x1c/0x140 [ 3945.820035][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.820035][ T73] addrconf_add_dev+0xe2/0x170 [ 3945.820035][ T73] inet6_addr_add+0x12f/0xa40 [ 3945.820035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.820035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.820035][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.820035][ T73] netlink_unicast+0x449/0x710 [ 3945.820035][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.820035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.820035][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.820035][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.820035][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.820035][ T73] [ 3945.822010][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.822010][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3945.822010][ T73] ipv6_find_idev+0x102/0x170 [ 3945.822010][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.822010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.822010][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.822010][ T73] netlink_unicast+0x449/0x710 [ 3945.822010][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.822010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.822010][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.822010][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.822010][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.822010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.822010][ T73] [ 3945.823571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3945.823571][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3945.823571][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3945.823571][ T73] ipv6_find_idev+0x102/0x170 [ 3945.823571][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.823571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.823571][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.823571][ T73] netlink_unicast+0x449/0x710 [ 3945.823571][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.823571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.823571][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.823571][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.823571][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.823571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.823571][ T73] [ 3945.825382][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3945.825647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.825647][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3945.825647][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3945.825647][ T73] fib6_nh_init+0xa22/0x1580 [ 3945.825647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.825647][ T73] ip6_route_add+0x1c/0x140 [ 3945.825647][ T73] inet6_rtm_newroute+0x104/0x110 [ 3945.825647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.825647][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.825647][ T73] netlink_unicast+0x449/0x710 [ 3945.825647][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.825647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.825647][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.825647][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.825647][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.825647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.825647][ T73] [ 3945.827842][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.827842][ T73] dst_init+0x84/0x4a0 [ 3945.827842][ T73] dst_alloc+0x97/0x150 [ 3945.827842][ T73] ip6_dst_alloc+0x23/0x90 [ 3945.827842][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3945.827842][ T73] ip6_pol_route+0x56f/0x840 [ 3945.827842][ T73] fib6_rule_lookup+0x456/0x630 [ 3945.827842][ T73] ip6_route_input+0x59c/0xa50 [ 3945.827842][ T73] ipv6_rcv+0x397/0x810 [ 3945.827842][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3945.827842][ T73] process_backlog+0x101/0x620 [ 3945.827842][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3945.827842][ T73] net_rx_action+0x495/0xbe0 [ 3945.827842][ T73] __do_softirq+0x1b5/0x7f6 [ 3945.827842][ T73] [ 3945.829663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.829663][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.829663][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.829663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.829663][ T73] ip6_route_add+0x1c/0x140 [ 3945.829663][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3945.829663][ T73] inet6_addr_add+0x4f8/0xa40 [ 3945.829663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.829663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.829663][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.829663][ T73] netlink_unicast+0x449/0x710 [ 3945.829663][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.829663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.829663][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.829663][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.829663][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.829663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.829663][ T73] [ 3945.831900][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.831900][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.831900][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.831900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.831900][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3945.831900][ T73] ipv6_add_addr+0x411/0x2000 [ 3945.831900][ T73] inet6_addr_add+0x30e/0xa40 [ 3945.831900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.831900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.831900][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.831900][ T73] netlink_unicast+0x449/0x710 [ 3945.831900][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.831900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.831900][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.831900][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.831900][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.831900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.831900][ T73] [ 3945.834087][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.834087][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.834087][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.834087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.834087][ T73] ip6_route_add+0x1c/0x140 [ 3945.834087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.834087][ T73] addrconf_add_dev+0xe2/0x170 [ 3945.834087][ T73] inet6_addr_add+0x12f/0xa40 [ 3945.834087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.834087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.834087][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.834087][ T73] netlink_unicast+0x449/0x710 [ 3945.834087][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.834087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.834087][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.834087][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.834087][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.834087][ T73] [ 3945.836359][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.836359][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3945.836359][ T73] ipv6_find_idev+0x102/0x170 [ 3945.836359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.836359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.836359][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.836359][ T73] netlink_unicast+0x449/0x710 [ 3945.836359][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.836359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.836359][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.836359][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.836359][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.836359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.836359][ T73] [ 3945.838095][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3945.838095][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3945.838095][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3945.838095][ T73] ipv6_find_idev+0x102/0x170 [ 3945.838095][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.838095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.838095][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.838095][ T73] netlink_unicast+0x449/0x710 [ 3945.838095][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.838095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.838095][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.838095][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.838095][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.838095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.838095][ T73] [ 3945.839990][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3945.840261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3945.840261][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.840261][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.840261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.840261][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3945.840261][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3945.840261][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3945.840261][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3945.840261][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3945.840261][ T73] addrconf_dad_begin+0x310/0x670 [ 3945.840261][ T73] addrconf_dad_work+0x10b/0xab0 [ 3945.840261][ T73] process_one_work+0x84d/0x18a0 [ 3945.840261][ T73] worker_thread+0x587/0xd30 [ 3945.840261][ T73] kthread+0x28a/0x350 [ 3945.840261][ T73] ret_from_fork+0x31/0x70 [ 3945.840261][ T73] ret_from_fork_asm+0x1a/0x30 [ 3945.840261][ T73] [ 3945.842440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3945.842440][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.842440][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.842440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.842440][ T73] ip6_route_add+0x1c/0x140 [ 3945.842440][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3945.842440][ T73] inet6_addr_add+0x4f8/0xa40 [ 3945.842440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.842440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.842440][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.842440][ T73] netlink_unicast+0x449/0x710 [ 3945.842440][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.842440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.842440][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.842440][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.842440][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.842440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.842440][ T73] [ 3945.845225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3945.845225][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.845225][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.845225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.845225][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3945.845225][ T73] ipv6_add_addr+0x411/0x2000 [ 3945.845225][ T73] inet6_addr_add+0x30e/0xa40 [ 3945.845225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.845225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.845225][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.845225][ T73] netlink_unicast+0x449/0x710 [ 3945.845225][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.845225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.845225][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.845225][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.845225][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.845225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.845225][ T73] [ 3945.847949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3945.847949][ T73] netdev_get_by_index+0x5e/0x80 [ 3945.847949][ T73] fib6_nh_init+0x3d8/0x1580 [ 3945.847949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3945.847949][ T73] ip6_route_add+0x1c/0x140 [ 3945.847949][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.847949][ T73] addrconf_add_dev+0xe2/0x170 [ 3945.847949][ T73] inet6_addr_add+0x12f/0xa40 [ 3945.847949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.847949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.847949][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.847949][ T73] netlink_unicast+0x449/0x710 [ 3945.847949][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.847949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.847949][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.847949][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.847949][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.847949][ T73] [ 3945.850090][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3945.850090][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3945.850090][ T73] ipv6_find_idev+0x102/0x170 [ 3945.850090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.850090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.850090][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.850090][ T73] netlink_unicast+0x449/0x710 [ 3945.850090][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.850090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.850090][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.850090][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.850090][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.850090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.850090][ T73] [ 3945.851818][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3945.851818][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3945.851818][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3945.851818][ T73] ipv6_find_idev+0x102/0x170 [ 3945.851818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.851818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.851818][ T73] netlink_rcv_skb+0x130/0x360 [ 3945.851818][ T73] netlink_unicast+0x449/0x710 [ 3945.851818][ T73] netlink_sendmsg+0x723/0xbe0 [ 3945.851818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3945.851818][ T73] ___sys_sendmsg+0xee/0x170 [ 3945.851818][ T73] __sys_sendmsg+0xcd/0x170 [ 3945.851818][ T73] do_syscall_64+0xc6/0x1e0 [ 3945.851818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.851818][ T73] [ 3955.870897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3955.871300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.871300][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3955.871300][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3955.871300][ T73] fib6_nh_init+0xa22/0x1580 [ 3955.871300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.871300][ T73] ip6_route_add+0x1c/0x140 [ 3955.871300][ T73] inet6_rtm_newroute+0x104/0x110 [ 3955.871300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.871300][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.871300][ T73] netlink_unicast+0x449/0x710 [ 3955.871300][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.871300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.871300][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.871300][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.871300][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.871300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.871300][ T73] [ 3955.873214][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.873214][ T73] dst_init+0x84/0x4a0 [ 3955.873214][ T73] dst_alloc+0x97/0x150 [ 3955.873214][ T73] ip6_dst_alloc+0x23/0x90 [ 3955.873214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3955.873214][ T73] ip6_pol_route+0x56f/0x840 [ 3955.873214][ T73] fib6_rule_lookup+0x456/0x630 [ 3955.873214][ T73] ip6_route_input+0x59c/0xa50 [ 3955.873214][ T73] ipv6_rcv+0x397/0x810 [ 3955.873214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3955.873214][ T73] process_backlog+0x101/0x620 [ 3955.873214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3955.873214][ T73] net_rx_action+0x495/0xbe0 [ 3955.873214][ T73] __do_softirq+0x1b5/0x7f6 [ 3955.873214][ T73] [ 3955.874863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.874863][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.874863][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.874863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.874863][ T73] ip6_route_add+0x1c/0x140 [ 3955.874863][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3955.874863][ T73] inet6_addr_add+0x4f8/0xa40 [ 3955.874863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.874863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.874863][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.874863][ T73] netlink_unicast+0x449/0x710 [ 3955.874863][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.874863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.874863][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.874863][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.874863][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.874863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.874863][ T73] [ 3955.876870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.876870][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.876870][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.876870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.876870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3955.876870][ T73] ipv6_add_addr+0x411/0x2000 [ 3955.876870][ T73] inet6_addr_add+0x30e/0xa40 [ 3955.876870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.876870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.876870][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.876870][ T73] netlink_unicast+0x449/0x710 [ 3955.876870][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.876870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.876870][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.876870][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.876870][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.876870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.876870][ T73] [ 3955.878872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.878872][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.878872][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.878872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.878872][ T73] ip6_route_add+0x1c/0x140 [ 3955.878872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3955.878872][ T73] addrconf_add_dev+0xe2/0x170 [ 3955.878872][ T73] inet6_addr_add+0x12f/0xa40 [ 3955.878872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.878872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.878872][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.878872][ T73] netlink_unicast+0x449/0x710 [ 3955.878872][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.878872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.878872][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.878872][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.878872][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.878872][ T73] [ 3955.880847][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.880847][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3955.880847][ T73] ipv6_find_idev+0x102/0x170 [ 3955.880847][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.880847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.880847][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.880847][ T73] netlink_unicast+0x449/0x710 [ 3955.880847][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.880847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.880847][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.880847][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.880847][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.880847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.880847][ T73] [ 3955.882404][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3955.882404][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3955.882404][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3955.882404][ T73] ipv6_find_idev+0x102/0x170 [ 3955.882404][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.882404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.882404][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.882404][ T73] netlink_unicast+0x449/0x710 [ 3955.882404][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.882404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.882404][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.882404][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.882404][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.882404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.882404][ T73] [ 3955.884112][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3955.884383][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.884383][ T73] dst_init+0x84/0x4a0 [ 3955.884383][ T73] dst_alloc+0x97/0x150 [ 3955.884383][ T73] ip6_dst_alloc+0x23/0x90 [ 3955.884383][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3955.884383][ T73] ip6_pol_route+0x56f/0x840 [ 3955.884383][ T73] fib6_rule_lookup+0x456/0x630 [ 3955.884383][ T73] ip6_route_input+0x59c/0xa50 [ 3955.884383][ T73] ipv6_rcv+0x397/0x810 [ 3955.884383][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3955.884383][ T73] process_backlog+0x101/0x620 [ 3955.884383][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3955.884383][ T73] net_rx_action+0x495/0xbe0 [ 3955.884383][ T73] __do_softirq+0x1b5/0x7f6 [ 3955.884383][ T73] [ 3955.886032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.886032][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.886032][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.886032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.886032][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3955.886032][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3955.886032][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3955.886032][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3955.886032][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3955.886032][ T73] addrconf_dad_begin+0x310/0x670 [ 3955.886032][ T73] addrconf_dad_work+0x10b/0xab0 [ 3955.886032][ T73] process_one_work+0x84d/0x18a0 [ 3955.886032][ T73] worker_thread+0x587/0xd30 [ 3955.886032][ T73] kthread+0x28a/0x350 [ 3955.886032][ T73] ret_from_fork+0x31/0x70 [ 3955.886032][ T73] ret_from_fork_asm+0x1a/0x30 [ 3955.886032][ T73] [ 3955.887953][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.887953][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.887953][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.887953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.887953][ T73] ip6_route_add+0x1c/0x140 [ 3955.887953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3955.887953][ T73] inet6_addr_add+0x4f8/0xa40 [ 3955.887953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.887953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.887953][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.887953][ T73] netlink_unicast+0x449/0x710 [ 3955.887953][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.887953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.887953][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.887953][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.887953][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.887953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.887953][ T73] [ 3955.889966][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.889966][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.889966][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.889966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.889966][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3955.889966][ T73] ipv6_add_addr+0x411/0x2000 [ 3955.889966][ T73] inet6_addr_add+0x30e/0xa40 [ 3955.889966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.889966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.889966][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.889966][ T73] netlink_unicast+0x449/0x710 [ 3955.889966][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.889966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.889966][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.889966][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.889966][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.889966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.889966][ T73] [ 3955.891980][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.891980][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.891980][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.891980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.891980][ T73] ip6_route_add+0x1c/0x140 [ 3955.891980][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3955.891980][ T73] addrconf_add_dev+0xe2/0x170 [ 3955.891980][ T73] inet6_addr_add+0x12f/0xa40 [ 3955.891980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.891980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.891980][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.891980][ T73] netlink_unicast+0x449/0x710 [ 3955.891980][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.891980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.891980][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.891980][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.891980][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.891980][ T73] [ 3955.893983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.893983][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3955.893983][ T73] ipv6_find_idev+0x102/0x170 [ 3955.893983][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.893983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.893983][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.893983][ T73] netlink_unicast+0x449/0x710 [ 3955.893983][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.893983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.893983][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.893983][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.893983][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.893983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.893983][ T73] [ 3955.895529][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3955.895529][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3955.895529][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3955.895529][ T73] ipv6_find_idev+0x102/0x170 [ 3955.895529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.895529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.895529][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.895529][ T73] netlink_unicast+0x449/0x710 [ 3955.895529][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.895529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.895529][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.895529][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.895529][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.895529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.895529][ T73] [ 3955.897357][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3955.897629][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.897629][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3955.897629][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3955.897629][ T73] fib6_nh_init+0xa22/0x1580 [ 3955.897629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.897629][ T73] ip6_route_add+0x1c/0x140 [ 3955.897629][ T73] inet6_rtm_newroute+0x104/0x110 [ 3955.897629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.897629][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.897629][ T73] netlink_unicast+0x449/0x710 [ 3955.897629][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.897629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.897629][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.897629][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.897629][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.897629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.897629][ T73] [ 3955.899759][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.899759][ T73] dst_init+0x84/0x4a0 [ 3955.899759][ T73] dst_alloc+0x97/0x150 [ 3955.899759][ T73] ip6_dst_alloc+0x23/0x90 [ 3955.899759][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3955.899759][ T73] ip6_pol_route+0x56f/0x840 [ 3955.899759][ T73] fib6_rule_lookup+0x456/0x630 [ 3955.899759][ T73] ip6_route_input+0x59c/0xa50 [ 3955.899759][ T73] ipv6_rcv+0x397/0x810 [ 3955.899759][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3955.899759][ T73] process_backlog+0x101/0x620 [ 3955.899759][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3955.899759][ T73] net_rx_action+0x495/0xbe0 [ 3955.899759][ T73] __do_softirq+0x1b5/0x7f6 [ 3955.899759][ T73] [ 3955.901584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.901584][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.901584][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.901584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.901584][ T73] ip6_route_add+0x1c/0x140 [ 3955.901584][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3955.901584][ T73] inet6_addr_add+0x4f8/0xa40 [ 3955.901584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.901584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.901584][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.901584][ T73] netlink_unicast+0x449/0x710 [ 3955.901584][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.901584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.901584][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.901584][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.901584][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.901584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.901584][ T73] [ 3955.903915][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.903915][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.903915][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.903915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.903915][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3955.903915][ T73] ipv6_add_addr+0x411/0x2000 [ 3955.903915][ T73] inet6_addr_add+0x30e/0xa40 [ 3955.903915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.903915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.903915][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.903915][ T73] netlink_unicast+0x449/0x710 [ 3955.903915][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.903915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.903915][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.903915][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.903915][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.903915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.903915][ T73] [ 3955.906165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.906165][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.906165][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.906165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.906165][ T73] ip6_route_add+0x1c/0x140 [ 3955.906165][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3955.906165][ T73] addrconf_add_dev+0xe2/0x170 [ 3955.906165][ T73] inet6_addr_add+0x12f/0xa40 [ 3955.906165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.906165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.906165][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.906165][ T73] netlink_unicast+0x449/0x710 [ 3955.906165][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.906165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.906165][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.906165][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.906165][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.906165][ T73] [ 3955.908316][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.908316][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3955.908316][ T73] ipv6_find_idev+0x102/0x170 [ 3955.908316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.908316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.908316][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.908316][ T73] netlink_unicast+0x449/0x710 [ 3955.908316][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.908316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.908316][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.908316][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.908316][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.908316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.908316][ T73] [ 3955.910041][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3955.910041][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3955.910041][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3955.910041][ T73] ipv6_find_idev+0x102/0x170 [ 3955.910041][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.910041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.910041][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.910041][ T73] netlink_unicast+0x449/0x710 [ 3955.910041][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.910041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.910041][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.910041][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.910041][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.910041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.910041][ T73] [ 3955.912018][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3955.912299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3955.912299][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.912299][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.912299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.912299][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3955.912299][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3955.912299][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3955.912299][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3955.912299][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3955.912299][ T73] addrconf_dad_begin+0x310/0x670 [ 3955.912299][ T73] addrconf_dad_work+0x10b/0xab0 [ 3955.912299][ T73] process_one_work+0x84d/0x18a0 [ 3955.912299][ T73] worker_thread+0x587/0xd30 [ 3955.912299][ T73] kthread+0x28a/0x350 [ 3955.912299][ T73] ret_from_fork+0x31/0x70 [ 3955.912299][ T73] ret_from_fork_asm+0x1a/0x30 [ 3955.912299][ T73] [ 3955.914463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3955.914463][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.914463][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.914463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.914463][ T73] ip6_route_add+0x1c/0x140 [ 3955.914463][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3955.914463][ T73] inet6_addr_add+0x4f8/0xa40 [ 3955.914463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.914463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.914463][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.914463][ T73] netlink_unicast+0x449/0x710 [ 3955.914463][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.914463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.914463][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.914463][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.914463][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.914463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.914463][ T73] [ 3955.916661][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3955.916661][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.916661][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.916661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.916661][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3955.916661][ T73] ipv6_add_addr+0x411/0x2000 [ 3955.916661][ T73] inet6_addr_add+0x30e/0xa40 [ 3955.916661][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.916661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.916661][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.916661][ T73] netlink_unicast+0x449/0x710 [ 3955.916661][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.916661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.916661][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.916661][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.916661][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.916661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.916661][ T73] [ 3955.918916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3955.918916][ T73] netdev_get_by_index+0x5e/0x80 [ 3955.918916][ T73] fib6_nh_init+0x3d8/0x1580 [ 3955.918916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3955.918916][ T73] ip6_route_add+0x1c/0x140 [ 3955.918916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3955.918916][ T73] addrconf_add_dev+0xe2/0x170 [ 3955.918916][ T73] inet6_addr_add+0x12f/0xa40 [ 3955.918916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3955.918916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.918916][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.918916][ T73] netlink_unicast+0x449/0x710 [ 3955.918916][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.918916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.918916][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.918916][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.918916][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.918916][ T73] [ 3955.921130][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3955.921130][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3955.921130][ T73] ipv6_find_idev+0x102/0x170 [ 3955.921130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.921130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.921130][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.921130][ T73] netlink_unicast+0x449/0x710 [ 3955.921130][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.921130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.921130][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.921130][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.921130][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.921130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.921130][ T73] [ 3955.922943][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3955.922943][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3955.922943][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3955.922943][ T73] ipv6_find_idev+0x102/0x170 [ 3955.922943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3955.922943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3955.922943][ T73] netlink_rcv_skb+0x130/0x360 [ 3955.922943][ T73] netlink_unicast+0x449/0x710 [ 3955.922943][ T73] netlink_sendmsg+0x723/0xbe0 [ 3955.922943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3955.922943][ T73] ___sys_sendmsg+0xee/0x170 [ 3955.922943][ T73] __sys_sendmsg+0xcd/0x170 [ 3955.922943][ T73] do_syscall_64+0xc6/0x1e0 [ 3955.922943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3955.922943][ T73] [ 3966.166883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3966.167276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.167276][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3966.167276][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3966.167276][ T73] fib6_nh_init+0xa22/0x1580 [ 3966.167276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.167276][ T73] ip6_route_add+0x1c/0x140 [ 3966.167276][ T73] inet6_rtm_newroute+0x104/0x110 [ 3966.167276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.167276][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.167276][ T73] netlink_unicast+0x449/0x710 [ 3966.167276][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.167276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.167276][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.167276][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.167276][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.167276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.167276][ T73] [ 3966.169165][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.169165][ T73] dst_init+0x84/0x4a0 [ 3966.169165][ T73] dst_alloc+0x97/0x150 [ 3966.169165][ T73] ip6_dst_alloc+0x23/0x90 [ 3966.169165][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3966.169165][ T73] ip6_pol_route+0x56f/0x840 [ 3966.169165][ T73] fib6_rule_lookup+0x456/0x630 [ 3966.169165][ T73] ip6_route_input+0x59c/0xa50 [ 3966.169165][ T73] ipv6_rcv+0x397/0x810 [ 3966.169165][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3966.169165][ T73] process_backlog+0x101/0x620 [ 3966.169165][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3966.169165][ T73] net_rx_action+0x495/0xbe0 [ 3966.169165][ T73] __do_softirq+0x1b5/0x7f6 [ 3966.169165][ T73] [ 3966.170799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.170799][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.170799][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.170799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.170799][ T73] ip6_route_add+0x1c/0x140 [ 3966.170799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3966.170799][ T73] inet6_addr_add+0x4f8/0xa40 [ 3966.170799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.170799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.170799][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.170799][ T73] netlink_unicast+0x449/0x710 [ 3966.170799][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.170799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.170799][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.170799][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.170799][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.170799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.170799][ T73] [ 3966.172802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.172802][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.172802][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.172802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.172802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3966.172802][ T73] ipv6_add_addr+0x411/0x2000 [ 3966.172802][ T73] inet6_addr_add+0x30e/0xa40 [ 3966.172802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.172802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.172802][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.172802][ T73] netlink_unicast+0x449/0x710 [ 3966.172802][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.172802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.172802][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.172802][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.172802][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.172802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.172802][ T73] [ 3966.174779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.174779][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.174779][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.174779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.174779][ T73] ip6_route_add+0x1c/0x140 [ 3966.174779][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.174779][ T73] addrconf_add_dev+0xe2/0x170 [ 3966.174779][ T73] inet6_addr_add+0x12f/0xa40 [ 3966.174779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.174779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.174779][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.174779][ T73] netlink_unicast+0x449/0x710 [ 3966.174779][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.174779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.174779][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.174779][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.174779][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.174779][ T73] [ 3966.176730][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.176730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3966.176730][ T73] ipv6_find_idev+0x102/0x170 [ 3966.176730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.176730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.176730][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.176730][ T73] netlink_unicast+0x449/0x710 [ 3966.176730][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.176730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.176730][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.176730][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.176730][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.176730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.176730][ T73] [ 3966.178266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3966.178266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3966.178266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3966.178266][ T73] ipv6_find_idev+0x102/0x170 [ 3966.178266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.178266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.178266][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.178266][ T73] netlink_unicast+0x449/0x710 [ 3966.178266][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.178266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.178266][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.178266][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.178266][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.178266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.178266][ T73] [ 3966.179940][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3966.180213][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.180213][ T73] dst_init+0x84/0x4a0 [ 3966.180213][ T73] dst_alloc+0x97/0x150 [ 3966.180213][ T73] ip6_dst_alloc+0x23/0x90 [ 3966.180213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3966.180213][ T73] ip6_pol_route+0x56f/0x840 [ 3966.180213][ T73] fib6_rule_lookup+0x456/0x630 [ 3966.180213][ T73] ip6_route_input+0x59c/0xa50 [ 3966.180213][ T73] ipv6_rcv+0x397/0x810 [ 3966.180213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3966.180213][ T73] process_backlog+0x101/0x620 [ 3966.180213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3966.180213][ T73] net_rx_action+0x495/0xbe0 [ 3966.180213][ T73] __do_softirq+0x1b5/0x7f6 [ 3966.180213][ T73] [ 3966.181846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.181846][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.181846][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.181846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.181846][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3966.181846][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.181846][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3966.181846][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.181846][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3966.181846][ T73] addrconf_dad_begin+0x310/0x670 [ 3966.181846][ T73] addrconf_dad_work+0x10b/0xab0 [ 3966.181846][ T73] process_one_work+0x84d/0x18a0 [ 3966.181846][ T73] worker_thread+0x587/0xd30 [ 3966.181846][ T73] kthread+0x28a/0x350 [ 3966.181846][ T73] ret_from_fork+0x31/0x70 [ 3966.181846][ T73] ret_from_fork_asm+0x1a/0x30 [ 3966.181846][ T73] [ 3966.183758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.183758][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.183758][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.183758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.183758][ T73] ip6_route_add+0x1c/0x140 [ 3966.183758][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3966.183758][ T73] inet6_addr_add+0x4f8/0xa40 [ 3966.183758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.183758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.183758][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.183758][ T73] netlink_unicast+0x449/0x710 [ 3966.183758][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.183758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.183758][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.183758][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.183758][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.183758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.183758][ T73] [ 3966.185747][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.185747][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.185747][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.185747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.185747][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3966.185747][ T73] ipv6_add_addr+0x411/0x2000 [ 3966.185747][ T73] inet6_addr_add+0x30e/0xa40 [ 3966.185747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.185747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.185747][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.185747][ T73] netlink_unicast+0x449/0x710 [ 3966.185747][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.185747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.185747][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.185747][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.185747][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.185747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.185747][ T73] [ 3966.187745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.187745][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.187745][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.187745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.187745][ T73] ip6_route_add+0x1c/0x140 [ 3966.187745][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.187745][ T73] addrconf_add_dev+0xe2/0x170 [ 3966.187745][ T73] inet6_addr_add+0x12f/0xa40 [ 3966.187745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.187745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.187745][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.187745][ T73] netlink_unicast+0x449/0x710 [ 3966.187745][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.187745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.187745][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.187745][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.187745][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.187745][ T73] [ 3966.189690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.189690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3966.189690][ T73] ipv6_find_idev+0x102/0x170 [ 3966.189690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.189690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.189690][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.189690][ T73] netlink_unicast+0x449/0x710 [ 3966.189690][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.189690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.189690][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.189690][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.189690][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.189690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.189690][ T73] [ 3966.191216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3966.191216][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3966.191216][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3966.191216][ T73] ipv6_find_idev+0x102/0x170 [ 3966.191216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.191216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.191216][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.191216][ T73] netlink_unicast+0x449/0x710 [ 3966.191216][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.191216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.191216][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.191216][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.191216][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.191216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.191216][ T73] [ 3966.193019][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3966.193289][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.193289][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3966.193289][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3966.193289][ T73] fib6_nh_init+0xa22/0x1580 [ 3966.193289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.193289][ T73] ip6_route_add+0x1c/0x140 [ 3966.193289][ T73] inet6_rtm_newroute+0x104/0x110 [ 3966.193289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.193289][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.193289][ T73] netlink_unicast+0x449/0x710 [ 3966.193289][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.193289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.193289][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.193289][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.193289][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.193289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.193289][ T73] [ 3966.195459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.195459][ T73] dst_init+0x84/0x4a0 [ 3966.195459][ T73] dst_alloc+0x97/0x150 [ 3966.195459][ T73] ip6_dst_alloc+0x23/0x90 [ 3966.195459][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3966.195459][ T73] ip6_pol_route+0x56f/0x840 [ 3966.195459][ T73] fib6_rule_lookup+0x456/0x630 [ 3966.195459][ T73] ip6_route_input+0x59c/0xa50 [ 3966.195459][ T73] ipv6_rcv+0x397/0x810 [ 3966.195459][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3966.195459][ T73] process_backlog+0x101/0x620 [ 3966.195459][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3966.195459][ T73] net_rx_action+0x495/0xbe0 [ 3966.195459][ T73] __do_softirq+0x1b5/0x7f6 [ 3966.195459][ T73] [ 3966.197263][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.197263][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.197263][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.197263][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.197263][ T73] ip6_route_add+0x1c/0x140 [ 3966.197263][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3966.197263][ T73] inet6_addr_add+0x4f8/0xa40 [ 3966.197263][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.197263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.197263][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.197263][ T73] netlink_unicast+0x449/0x710 [ 3966.197263][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.197263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.197263][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.197263][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.197263][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.197263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.197263][ T73] [ 3966.199506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.199506][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.199506][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.199506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.199506][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3966.199506][ T73] ipv6_add_addr+0x411/0x2000 [ 3966.199506][ T73] inet6_addr_add+0x30e/0xa40 [ 3966.199506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.199506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.199506][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.199506][ T73] netlink_unicast+0x449/0x710 [ 3966.199506][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.199506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.199506][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.199506][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.199506][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.199506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.199506][ T73] [ 3966.201737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.201737][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.201737][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.201737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.201737][ T73] ip6_route_add+0x1c/0x140 [ 3966.201737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.201737][ T73] addrconf_add_dev+0xe2/0x170 [ 3966.201737][ T73] inet6_addr_add+0x12f/0xa40 [ 3966.201737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.201737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.201737][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.201737][ T73] netlink_unicast+0x449/0x710 [ 3966.201737][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.201737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.201737][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.201737][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.201737][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.201737][ T73] [ 3966.203995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.203995][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3966.203995][ T73] ipv6_find_idev+0x102/0x170 [ 3966.203995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.203995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.203995][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.203995][ T73] netlink_unicast+0x449/0x710 [ 3966.203995][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.203995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.203995][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.203995][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.203995][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.203995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.203995][ T73] [ 3966.205643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3966.205643][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3966.205643][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3966.205643][ T73] ipv6_find_idev+0x102/0x170 [ 3966.205643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.205643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.205643][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.205643][ T73] netlink_unicast+0x449/0x710 [ 3966.205643][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.205643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.205643][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.205643][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.205643][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.205643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.205643][ T73] [ 3966.207551][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3966.207824][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3966.207824][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.207824][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.207824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.207824][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3966.207824][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.207824][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3966.207824][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.207824][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3966.207824][ T73] addrconf_dad_begin+0x310/0x670 [ 3966.207824][ T73] addrconf_dad_work+0x10b/0xab0 [ 3966.207824][ T73] process_one_work+0x84d/0x18a0 [ 3966.207824][ T73] worker_thread+0x587/0xd30 [ 3966.207824][ T73] kthread+0x28a/0x350 [ 3966.207824][ T73] ret_from_fork+0x31/0x70 [ 3966.207824][ T73] ret_from_fork_asm+0x1a/0x30 [ 3966.207824][ T73] [ 3966.209965][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3966.209965][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.209965][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.209965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.209965][ T73] ip6_route_add+0x1c/0x140 [ 3966.209965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3966.209965][ T73] inet6_addr_add+0x4f8/0xa40 [ 3966.209965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.209965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.209965][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.209965][ T73] netlink_unicast+0x449/0x710 [ 3966.209965][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.209965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.209965][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.209965][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.209965][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.209965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.209965][ T73] [ 3966.212190][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3966.212190][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.212190][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.212190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.212190][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3966.212190][ T73] ipv6_add_addr+0x411/0x2000 [ 3966.212190][ T73] inet6_addr_add+0x30e/0xa40 [ 3966.212190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.212190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.212190][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.212190][ T73] netlink_unicast+0x449/0x710 [ 3966.212190][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.212190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.212190][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.212190][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.212190][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.212190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.212190][ T73] [ 3966.214405][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3966.214405][ T73] netdev_get_by_index+0x5e/0x80 [ 3966.214405][ T73] fib6_nh_init+0x3d8/0x1580 [ 3966.214405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3966.214405][ T73] ip6_route_add+0x1c/0x140 [ 3966.214405][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.214405][ T73] addrconf_add_dev+0xe2/0x170 [ 3966.214405][ T73] inet6_addr_add+0x12f/0xa40 [ 3966.214405][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.214405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.214405][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.214405][ T73] netlink_unicast+0x449/0x710 [ 3966.214405][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.214405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.214405][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.214405][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.214405][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.214405][ T73] [ 3966.216599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3966.216599][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3966.216599][ T73] ipv6_find_idev+0x102/0x170 [ 3966.216599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.216599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.216599][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.216599][ T73] netlink_unicast+0x449/0x710 [ 3966.216599][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.216599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.216599][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.216599][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.216599][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.216599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.216599][ T73] [ 3966.218307][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3966.218307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3966.218307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3966.218307][ T73] ipv6_find_idev+0x102/0x170 [ 3966.218307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.218307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.218307][ T73] netlink_rcv_skb+0x130/0x360 [ 3966.218307][ T73] netlink_unicast+0x449/0x710 [ 3966.218307][ T73] netlink_sendmsg+0x723/0xbe0 [ 3966.218307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3966.218307][ T73] ___sys_sendmsg+0xee/0x170 [ 3966.218307][ T73] __sys_sendmsg+0xcd/0x170 [ 3966.218307][ T73] do_syscall_64+0xc6/0x1e0 [ 3966.218307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.218307][ T73] [ 3976.294902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3976.295411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.295411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3976.295411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3976.295411][ T73] fib6_nh_init+0xa22/0x1580 [ 3976.295411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.295411][ T73] ip6_route_add+0x1c/0x140 [ 3976.295411][ T73] inet6_rtm_newroute+0x104/0x110 [ 3976.295411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.295411][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.295411][ T73] netlink_unicast+0x449/0x710 [ 3976.295411][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.295411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.295411][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.295411][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.295411][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.295411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.295411][ T73] [ 3976.297298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.297298][ T73] dst_init+0x84/0x4a0 [ 3976.297298][ T73] dst_alloc+0x97/0x150 [ 3976.297298][ T73] ip6_dst_alloc+0x23/0x90 [ 3976.297298][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3976.297298][ T73] ip6_pol_route+0x56f/0x840 [ 3976.297298][ T73] fib6_rule_lookup+0x456/0x630 [ 3976.297298][ T73] ip6_route_input+0x59c/0xa50 [ 3976.297298][ T73] ipv6_rcv+0x397/0x810 [ 3976.297298][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3976.297298][ T73] process_backlog+0x101/0x620 [ 3976.297298][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3976.297298][ T73] net_rx_action+0x495/0xbe0 [ 3976.297298][ T73] __do_softirq+0x1b5/0x7f6 [ 3976.297298][ T73] [ 3976.298937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.298937][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.298937][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.298937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.298937][ T73] ip6_route_add+0x1c/0x140 [ 3976.298937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3976.298937][ T73] inet6_addr_add+0x4f8/0xa40 [ 3976.298937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.298937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.298937][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.298937][ T73] netlink_unicast+0x449/0x710 [ 3976.298937][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.298937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.298937][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.298937][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.298937][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.298937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.298937][ T73] [ 3976.300925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.300925][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.300925][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.300925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.300925][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3976.300925][ T73] ipv6_add_addr+0x411/0x2000 [ 3976.300925][ T73] inet6_addr_add+0x30e/0xa40 [ 3976.300925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.300925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.300925][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.300925][ T73] netlink_unicast+0x449/0x710 [ 3976.300925][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.300925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.300925][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.300925][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.300925][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.300925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.300925][ T73] [ 3976.302925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.302925][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.302925][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.302925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.302925][ T73] ip6_route_add+0x1c/0x140 [ 3976.302925][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.302925][ T73] addrconf_add_dev+0xe2/0x170 [ 3976.302925][ T73] inet6_addr_add+0x12f/0xa40 [ 3976.302925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.302925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.302925][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.302925][ T73] netlink_unicast+0x449/0x710 [ 3976.302925][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.302925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.302925][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.302925][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.302925][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.302925][ T73] [ 3976.304873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.304873][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3976.304873][ T73] ipv6_find_idev+0x102/0x170 [ 3976.304873][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.304873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.304873][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.304873][ T73] netlink_unicast+0x449/0x710 [ 3976.304873][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.304873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.304873][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.304873][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.304873][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.304873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.304873][ T73] [ 3976.306403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3976.306403][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3976.306403][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3976.306403][ T73] ipv6_find_idev+0x102/0x170 [ 3976.306403][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.306403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.306403][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.306403][ T73] netlink_unicast+0x449/0x710 [ 3976.306403][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.306403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.306403][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.306403][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.306403][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.306403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.306403][ T73] [ 3976.308084][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3976.308351][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.308351][ T73] dst_init+0x84/0x4a0 [ 3976.308351][ T73] dst_alloc+0x97/0x150 [ 3976.308351][ T73] ip6_dst_alloc+0x23/0x90 [ 3976.308351][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3976.308351][ T73] ip6_pol_route+0x56f/0x840 [ 3976.308351][ T73] fib6_rule_lookup+0x456/0x630 [ 3976.308351][ T73] ip6_route_input+0x59c/0xa50 [ 3976.308351][ T73] ipv6_rcv+0x397/0x810 [ 3976.308351][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3976.308351][ T73] process_backlog+0x101/0x620 [ 3976.308351][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3976.308351][ T73] net_rx_action+0x495/0xbe0 [ 3976.308351][ T73] __do_softirq+0x1b5/0x7f6 [ 3976.308351][ T73] [ 3976.309988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.309988][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.309988][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.309988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.309988][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3976.309988][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.309988][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3976.309988][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.309988][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3976.309988][ T73] addrconf_dad_begin+0x310/0x670 [ 3976.309988][ T73] addrconf_dad_work+0x10b/0xab0 [ 3976.309988][ T73] process_one_work+0x84d/0x18a0 [ 3976.309988][ T73] worker_thread+0x587/0xd30 [ 3976.309988][ T73] kthread+0x28a/0x350 [ 3976.309988][ T73] ret_from_fork+0x31/0x70 [ 3976.309988][ T73] ret_from_fork_asm+0x1a/0x30 [ 3976.309988][ T73] [ 3976.311884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.311884][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.311884][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.311884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.311884][ T73] ip6_route_add+0x1c/0x140 [ 3976.311884][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3976.311884][ T73] inet6_addr_add+0x4f8/0xa40 [ 3976.311884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.311884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.311884][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.311884][ T73] netlink_unicast+0x449/0x710 [ 3976.311884][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.311884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.311884][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.311884][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.311884][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.311884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.311884][ T73] [ 3976.313885][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.313885][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.313885][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.313885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.313885][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3976.313885][ T73] ipv6_add_addr+0x411/0x2000 [ 3976.313885][ T73] inet6_addr_add+0x30e/0xa40 [ 3976.313885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.313885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.313885][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.313885][ T73] netlink_unicast+0x449/0x710 [ 3976.313885][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.313885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.313885][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.313885][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.313885][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.313885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.313885][ T73] [ 3976.315869][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.315869][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.315869][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.315869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.315869][ T73] ip6_route_add+0x1c/0x140 [ 3976.315869][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.315869][ T73] addrconf_add_dev+0xe2/0x170 [ 3976.315869][ T73] inet6_addr_add+0x12f/0xa40 [ 3976.315869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.315869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.315869][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.315869][ T73] netlink_unicast+0x449/0x710 [ 3976.315869][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.315869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.315869][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.315869][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.315869][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.315869][ T73] [ 3976.317815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.317815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3976.317815][ T73] ipv6_find_idev+0x102/0x170 [ 3976.317815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.317815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.317815][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.317815][ T73] netlink_unicast+0x449/0x710 [ 3976.317815][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.317815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.317815][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.317815][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.317815][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.317815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.317815][ T73] [ 3976.319341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3976.319341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3976.319341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3976.319341][ T73] ipv6_find_idev+0x102/0x170 [ 3976.319341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.319341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.319341][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.319341][ T73] netlink_unicast+0x449/0x710 [ 3976.319341][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.319341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.319341][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.319341][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.319341][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.319341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.319341][ T73] [ 3976.321129][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3976.321406][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.321406][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3976.321406][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3976.321406][ T73] fib6_nh_init+0xa22/0x1580 [ 3976.321406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.321406][ T73] ip6_route_add+0x1c/0x140 [ 3976.321406][ T73] inet6_rtm_newroute+0x104/0x110 [ 3976.321406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.321406][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.321406][ T73] netlink_unicast+0x449/0x710 [ 3976.321406][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.321406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.321406][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.321406][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.321406][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.321406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.321406][ T73] [ 3976.323511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.323511][ T73] dst_init+0x84/0x4a0 [ 3976.323511][ T73] dst_alloc+0x97/0x150 [ 3976.323511][ T73] ip6_dst_alloc+0x23/0x90 [ 3976.323511][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3976.323511][ T73] ip6_pol_route+0x56f/0x840 [ 3976.323511][ T73] fib6_rule_lookup+0x456/0x630 [ 3976.323511][ T73] ip6_route_input+0x59c/0xa50 [ 3976.323511][ T73] ipv6_rcv+0x397/0x810 [ 3976.323511][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3976.323511][ T73] process_backlog+0x101/0x620 [ 3976.323511][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3976.323511][ T73] net_rx_action+0x495/0xbe0 [ 3976.323511][ T73] __do_softirq+0x1b5/0x7f6 [ 3976.323511][ T73] [ 3976.325310][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.325310][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.325310][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.325310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.325310][ T73] ip6_route_add+0x1c/0x140 [ 3976.325310][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3976.325310][ T73] inet6_addr_add+0x4f8/0xa40 [ 3976.325310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.325310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.325310][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.325310][ T73] netlink_unicast+0x449/0x710 [ 3976.325310][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.325310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.325310][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.325310][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.325310][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.325310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.325310][ T73] [ 3976.327596][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.327596][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.327596][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.327596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.327596][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3976.327596][ T73] ipv6_add_addr+0x411/0x2000 [ 3976.327596][ T73] inet6_addr_add+0x30e/0xa40 [ 3976.327596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.327596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.327596][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.327596][ T73] netlink_unicast+0x449/0x710 [ 3976.327596][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.327596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.327596][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.327596][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.327596][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.327596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.327596][ T73] [ 3976.330337][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.330337][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.330337][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.330337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.330337][ T73] ip6_route_add+0x1c/0x140 [ 3976.330337][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.330337][ T73] addrconf_add_dev+0xe2/0x170 [ 3976.330337][ T73] inet6_addr_add+0x12f/0xa40 [ 3976.330337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.330337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.330337][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.330337][ T73] netlink_unicast+0x449/0x710 [ 3976.330337][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.330337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.330337][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.330337][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.330337][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.330337][ T73] [ 3976.332529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.332529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3976.332529][ T73] ipv6_find_idev+0x102/0x170 [ 3976.332529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.332529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.332529][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.332529][ T73] netlink_unicast+0x449/0x710 [ 3976.332529][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.332529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.332529][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.332529][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.332529][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.332529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.332529][ T73] [ 3976.334169][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3976.334169][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3976.334169][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3976.334169][ T73] ipv6_find_idev+0x102/0x170 [ 3976.334169][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.334169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.334169][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.334169][ T73] netlink_unicast+0x449/0x710 [ 3976.334169][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.334169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.334169][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.334169][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.334169][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.334169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.334169][ T73] [ 3976.336562][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3976.337272][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3976.337272][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.337272][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.337272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.337272][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3976.337272][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.337272][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3976.337272][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.337272][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3976.337272][ T73] addrconf_dad_begin+0x310/0x670 [ 3976.337272][ T73] addrconf_dad_work+0x10b/0xab0 [ 3976.337272][ T73] process_one_work+0x84d/0x18a0 [ 3976.337272][ T73] worker_thread+0x587/0xd30 [ 3976.337272][ T73] kthread+0x28a/0x350 [ 3976.337272][ T73] ret_from_fork+0x31/0x70 [ 3976.337272][ T73] ret_from_fork_asm+0x1a/0x30 [ 3976.337272][ T73] [ 3976.339159][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3976.339159][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.339159][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.339159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.339159][ T73] ip6_route_add+0x1c/0x140 [ 3976.339159][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3976.339159][ T73] inet6_addr_add+0x4f8/0xa40 [ 3976.339159][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.339159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.339159][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.339159][ T73] netlink_unicast+0x449/0x710 [ 3976.339159][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.339159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.339159][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.339159][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.339159][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.339159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.339159][ T73] [ 3976.341260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3976.341260][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.341260][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.341260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.341260][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3976.341260][ T73] ipv6_add_addr+0x411/0x2000 [ 3976.341260][ T73] inet6_addr_add+0x30e/0xa40 [ 3976.341260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.341260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.341260][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.341260][ T73] netlink_unicast+0x449/0x710 [ 3976.341260][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.341260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.341260][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.341260][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.341260][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.341260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.341260][ T73] [ 3976.343481][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3976.343481][ T73] netdev_get_by_index+0x5e/0x80 [ 3976.343481][ T73] fib6_nh_init+0x3d8/0x1580 [ 3976.343481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3976.343481][ T73] ip6_route_add+0x1c/0x140 [ 3976.343481][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.343481][ T73] addrconf_add_dev+0xe2/0x170 [ 3976.343481][ T73] inet6_addr_add+0x12f/0xa40 [ 3976.343481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.343481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.343481][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.343481][ T73] netlink_unicast+0x449/0x710 [ 3976.343481][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.343481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.343481][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.343481][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.343481][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.343481][ T73] [ 3976.345610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3976.345610][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3976.345610][ T73] ipv6_find_idev+0x102/0x170 [ 3976.345610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.345610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.345610][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.345610][ T73] netlink_unicast+0x449/0x710 [ 3976.345610][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.345610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.345610][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.345610][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.345610][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.345610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.345610][ T73] [ 3976.347312][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3976.347312][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3976.347312][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3976.347312][ T73] ipv6_find_idev+0x102/0x170 [ 3976.347312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.347312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.347312][ T73] netlink_rcv_skb+0x130/0x360 [ 3976.347312][ T73] netlink_unicast+0x449/0x710 [ 3976.347312][ T73] netlink_sendmsg+0x723/0xbe0 [ 3976.347312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3976.347312][ T73] ___sys_sendmsg+0xee/0x170 [ 3976.347312][ T73] __sys_sendmsg+0xcd/0x170 [ 3976.347312][ T73] do_syscall_64+0xc6/0x1e0 [ 3976.347312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.347312][ T73] [ 3986.590895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3986.591372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.591372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3986.591372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3986.591372][ T73] fib6_nh_init+0xa22/0x1580 [ 3986.591372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.591372][ T73] ip6_route_add+0x1c/0x140 [ 3986.591372][ T73] inet6_rtm_newroute+0x104/0x110 [ 3986.591372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.591372][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.591372][ T73] netlink_unicast+0x449/0x710 [ 3986.591372][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.591372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.591372][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.591372][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.591372][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.591372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.591372][ T73] [ 3986.593261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.593261][ T73] dst_init+0x84/0x4a0 [ 3986.593261][ T73] dst_alloc+0x97/0x150 [ 3986.593261][ T73] ip6_dst_alloc+0x23/0x90 [ 3986.593261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3986.593261][ T73] ip6_pol_route+0x56f/0x840 [ 3986.593261][ T73] fib6_rule_lookup+0x456/0x630 [ 3986.593261][ T73] ip6_route_input+0x59c/0xa50 [ 3986.593261][ T73] ipv6_rcv+0x397/0x810 [ 3986.593261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3986.593261][ T73] process_backlog+0x101/0x620 [ 3986.593261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3986.593261][ T73] net_rx_action+0x495/0xbe0 [ 3986.593261][ T73] __do_softirq+0x1b5/0x7f6 [ 3986.593261][ T73] [ 3986.594893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.594893][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.594893][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.594893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.594893][ T73] ip6_route_add+0x1c/0x140 [ 3986.594893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3986.594893][ T73] inet6_addr_add+0x4f8/0xa40 [ 3986.594893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.594893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.594893][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.594893][ T73] netlink_unicast+0x449/0x710 [ 3986.594893][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.594893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.594893][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.594893][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.594893][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.594893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.594893][ T73] [ 3986.596887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.596887][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.596887][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.596887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.596887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3986.596887][ T73] ipv6_add_addr+0x411/0x2000 [ 3986.596887][ T73] inet6_addr_add+0x30e/0xa40 [ 3986.596887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.596887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.596887][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.596887][ T73] netlink_unicast+0x449/0x710 [ 3986.596887][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.596887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.596887][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.596887][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.596887][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.596887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.596887][ T73] [ 3986.598877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.598877][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.598877][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.598877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.598877][ T73] ip6_route_add+0x1c/0x140 [ 3986.598877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3986.598877][ T73] addrconf_add_dev+0xe2/0x170 [ 3986.598877][ T73] inet6_addr_add+0x12f/0xa40 [ 3986.598877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.598877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.598877][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.598877][ T73] netlink_unicast+0x449/0x710 [ 3986.598877][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.598877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.598877][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.598877][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.598877][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.598877][ T73] [ 3986.601212][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.601212][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3986.601212][ T73] ipv6_find_idev+0x102/0x170 [ 3986.601212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.601212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.601212][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.601212][ T73] netlink_unicast+0x449/0x710 [ 3986.601212][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.601212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.601212][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.601212][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.601212][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.601212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.601212][ T73] [ 3986.602756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3986.602756][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3986.602756][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3986.602756][ T73] ipv6_find_idev+0x102/0x170 [ 3986.602756][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.602756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.602756][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.602756][ T73] netlink_unicast+0x449/0x710 [ 3986.602756][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.602756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.602756][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.602756][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.602756][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.602756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.602756][ T73] [ 3986.604431][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3986.604700][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.604700][ T73] dst_init+0x84/0x4a0 [ 3986.604700][ T73] dst_alloc+0x97/0x150 [ 3986.604700][ T73] ip6_dst_alloc+0x23/0x90 [ 3986.604700][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3986.604700][ T73] ip6_pol_route+0x56f/0x840 [ 3986.604700][ T73] fib6_rule_lookup+0x456/0x630 [ 3986.604700][ T73] ip6_route_input+0x59c/0xa50 [ 3986.604700][ T73] ipv6_rcv+0x397/0x810 [ 3986.604700][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3986.604700][ T73] process_backlog+0x101/0x620 [ 3986.604700][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3986.604700][ T73] net_rx_action+0x495/0xbe0 [ 3986.604700][ T73] __do_softirq+0x1b5/0x7f6 [ 3986.604700][ T73] [ 3986.606328][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.606328][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.606328][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.606328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.606328][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3986.606328][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3986.606328][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3986.606328][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3986.606328][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3986.606328][ T73] addrconf_dad_begin+0x310/0x670 [ 3986.606328][ T73] addrconf_dad_work+0x10b/0xab0 [ 3986.606328][ T73] process_one_work+0x84d/0x18a0 [ 3986.606328][ T73] worker_thread+0x587/0xd30 [ 3986.606328][ T73] kthread+0x28a/0x350 [ 3986.606328][ T73] ret_from_fork+0x31/0x70 [ 3986.606328][ T73] ret_from_fork_asm+0x1a/0x30 [ 3986.606328][ T73] [ 3986.608226][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.608226][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.608226][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.608226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.608226][ T73] ip6_route_add+0x1c/0x140 [ 3986.608226][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3986.608226][ T73] inet6_addr_add+0x4f8/0xa40 [ 3986.608226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.608226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.608226][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.608226][ T73] netlink_unicast+0x449/0x710 [ 3986.608226][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.608226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.608226][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.608226][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.608226][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.608226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.608226][ T73] [ 3986.610208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.610208][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.610208][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.610208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.610208][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3986.610208][ T73] ipv6_add_addr+0x411/0x2000 [ 3986.610208][ T73] inet6_addr_add+0x30e/0xa40 [ 3986.610208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.610208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.610208][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.610208][ T73] netlink_unicast+0x449/0x710 [ 3986.610208][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.610208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.610208][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.610208][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.610208][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.610208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.610208][ T73] [ 3986.612193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.612193][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.612193][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.612193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.612193][ T73] ip6_route_add+0x1c/0x140 [ 3986.612193][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3986.612193][ T73] addrconf_add_dev+0xe2/0x170 [ 3986.612193][ T73] inet6_addr_add+0x12f/0xa40 [ 3986.612193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.612193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.612193][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.612193][ T73] netlink_unicast+0x449/0x710 [ 3986.612193][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.612193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.612193][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.612193][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.612193][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.612193][ T73] [ 3986.614141][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.614141][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3986.614141][ T73] ipv6_find_idev+0x102/0x170 [ 3986.614141][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.614141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.614141][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.614141][ T73] netlink_unicast+0x449/0x710 [ 3986.614141][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.614141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.614141][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.614141][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.614141][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.614141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.614141][ T73] [ 3986.615668][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3986.615668][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3986.615668][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3986.615668][ T73] ipv6_find_idev+0x102/0x170 [ 3986.615668][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.615668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.615668][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.615668][ T73] netlink_unicast+0x449/0x710 [ 3986.615668][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.615668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.615668][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.615668][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.615668][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.615668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.615668][ T73] [ 3986.617408][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3986.617672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.617672][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3986.617672][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3986.617672][ T73] fib6_nh_init+0xa22/0x1580 [ 3986.617672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.617672][ T73] ip6_route_add+0x1c/0x140 [ 3986.617672][ T73] inet6_rtm_newroute+0x104/0x110 [ 3986.617672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.617672][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.617672][ T73] netlink_unicast+0x449/0x710 [ 3986.617672][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.617672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.617672][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.617672][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.617672][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.617672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.617672][ T73] [ 3986.619848][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.619848][ T73] dst_init+0x84/0x4a0 [ 3986.619848][ T73] dst_alloc+0x97/0x150 [ 3986.619848][ T73] ip6_dst_alloc+0x23/0x90 [ 3986.619848][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3986.619848][ T73] ip6_pol_route+0x56f/0x840 [ 3986.619848][ T73] fib6_rule_lookup+0x456/0x630 [ 3986.619848][ T73] ip6_route_input+0x59c/0xa50 [ 3986.619848][ T73] ipv6_rcv+0x397/0x810 [ 3986.619848][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3986.619848][ T73] process_backlog+0x101/0x620 [ 3986.619848][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3986.619848][ T73] net_rx_action+0x495/0xbe0 [ 3986.619848][ T73] __do_softirq+0x1b5/0x7f6 [ 3986.619848][ T73] [ 3986.621651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.621651][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.621651][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.621651][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.621651][ T73] ip6_route_add+0x1c/0x140 [ 3986.621651][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3986.621651][ T73] inet6_addr_add+0x4f8/0xa40 [ 3986.621651][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.621651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.621651][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.621651][ T73] netlink_unicast+0x449/0x710 [ 3986.621651][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.621651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.621651][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.621651][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.621651][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.621651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.621651][ T73] [ 3986.623879][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.623879][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.623879][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.623879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.623879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3986.623879][ T73] ipv6_add_addr+0x411/0x2000 [ 3986.623879][ T73] inet6_addr_add+0x30e/0xa40 [ 3986.623879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.623879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.623879][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.623879][ T73] netlink_unicast+0x449/0x710 [ 3986.623879][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.623879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.623879][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.623879][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.623879][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.623879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.623879][ T73] [ 3986.626054][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.626054][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.626054][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.626054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.626054][ T73] ip6_route_add+0x1c/0x140 [ 3986.626054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3986.626054][ T73] addrconf_add_dev+0xe2/0x170 [ 3986.626054][ T73] inet6_addr_add+0x12f/0xa40 [ 3986.626054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.626054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.626054][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.626054][ T73] netlink_unicast+0x449/0x710 [ 3986.626054][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.626054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.626054][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.626054][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.626054][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.626054][ T73] [ 3986.628313][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.628313][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3986.628313][ T73] ipv6_find_idev+0x102/0x170 [ 3986.628313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.628313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.628313][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.628313][ T73] netlink_unicast+0x449/0x710 [ 3986.628313][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.628313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.628313][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.628313][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.628313][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.628313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.628313][ T73] [ 3986.629959][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3986.629959][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3986.629959][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3986.629959][ T73] ipv6_find_idev+0x102/0x170 [ 3986.629959][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.629959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.629959][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.629959][ T73] netlink_unicast+0x449/0x710 [ 3986.629959][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.629959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.629959][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.629959][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.629959][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.629959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.629959][ T73] [ 3986.631872][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3986.632151][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3986.632151][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.632151][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.632151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.632151][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3986.632151][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3986.632151][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3986.632151][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3986.632151][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3986.632151][ T73] addrconf_dad_begin+0x310/0x670 [ 3986.632151][ T73] addrconf_dad_work+0x10b/0xab0 [ 3986.632151][ T73] process_one_work+0x84d/0x18a0 [ 3986.632151][ T73] worker_thread+0x587/0xd30 [ 3986.632151][ T73] kthread+0x28a/0x350 [ 3986.632151][ T73] ret_from_fork+0x31/0x70 [ 3986.632151][ T73] ret_from_fork_asm+0x1a/0x30 [ 3986.632151][ T73] [ 3986.634288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3986.634288][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.634288][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.634288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.634288][ T73] ip6_route_add+0x1c/0x140 [ 3986.634288][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3986.634288][ T73] inet6_addr_add+0x4f8/0xa40 [ 3986.634288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.634288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.634288][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.634288][ T73] netlink_unicast+0x449/0x710 [ 3986.634288][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.634288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.634288][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.634288][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.634288][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.634288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.634288][ T73] [ 3986.636513][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3986.636513][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.636513][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.636513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.636513][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3986.636513][ T73] ipv6_add_addr+0x411/0x2000 [ 3986.636513][ T73] inet6_addr_add+0x30e/0xa40 [ 3986.636513][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.636513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.636513][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.636513][ T73] netlink_unicast+0x449/0x710 [ 3986.636513][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.636513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.636513][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.636513][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.636513][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.636513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.636513][ T73] [ 3986.638735][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3986.638735][ T73] netdev_get_by_index+0x5e/0x80 [ 3986.638735][ T73] fib6_nh_init+0x3d8/0x1580 [ 3986.638735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3986.638735][ T73] ip6_route_add+0x1c/0x140 [ 3986.638735][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3986.638735][ T73] addrconf_add_dev+0xe2/0x170 [ 3986.638735][ T73] inet6_addr_add+0x12f/0xa40 [ 3986.638735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3986.638735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.638735][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.638735][ T73] netlink_unicast+0x449/0x710 [ 3986.638735][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.638735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.638735][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.638735][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.638735][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.638735][ T73] [ 3986.640925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3986.640925][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3986.640925][ T73] ipv6_find_idev+0x102/0x170 [ 3986.640925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.640925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.640925][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.640925][ T73] netlink_unicast+0x449/0x710 [ 3986.640925][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.640925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.640925][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.640925][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.640925][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.640925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.640925][ T73] [ 3986.642642][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3986.642642][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3986.642642][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3986.642642][ T73] ipv6_find_idev+0x102/0x170 [ 3986.642642][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3986.642642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3986.642642][ T73] netlink_rcv_skb+0x130/0x360 [ 3986.642642][ T73] netlink_unicast+0x449/0x710 [ 3986.642642][ T73] netlink_sendmsg+0x723/0xbe0 [ 3986.642642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3986.642642][ T73] ___sys_sendmsg+0xee/0x170 [ 3986.642642][ T73] __sys_sendmsg+0xcd/0x170 [ 3986.642642][ T73] do_syscall_64+0xc6/0x1e0 [ 3986.642642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3986.642642][ T73] [ 3996.662894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 3996.663318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.663318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3996.663318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3996.663318][ T73] fib6_nh_init+0xa22/0x1580 [ 3996.663318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.663318][ T73] ip6_route_add+0x1c/0x140 [ 3996.663318][ T73] inet6_rtm_newroute+0x104/0x110 [ 3996.663318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.663318][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.663318][ T73] netlink_unicast+0x449/0x710 [ 3996.663318][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.663318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.663318][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.663318][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.663318][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.663318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.663318][ T73] [ 3996.665345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.665345][ T73] dst_init+0x84/0x4a0 [ 3996.665345][ T73] dst_alloc+0x97/0x150 [ 3996.665345][ T73] ip6_dst_alloc+0x23/0x90 [ 3996.665345][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3996.665345][ T73] ip6_pol_route+0x56f/0x840 [ 3996.665345][ T73] fib6_rule_lookup+0x456/0x630 [ 3996.665345][ T73] ip6_route_input+0x59c/0xa50 [ 3996.665345][ T73] ipv6_rcv+0x397/0x810 [ 3996.665345][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3996.665345][ T73] process_backlog+0x101/0x620 [ 3996.665345][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3996.665345][ T73] net_rx_action+0x495/0xbe0 [ 3996.665345][ T73] __do_softirq+0x1b5/0x7f6 [ 3996.665345][ T73] [ 3996.667125][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.667125][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.667125][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.667125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.667125][ T73] ip6_route_add+0x1c/0x140 [ 3996.667125][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3996.667125][ T73] inet6_addr_add+0x4f8/0xa40 [ 3996.667125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.667125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.667125][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.667125][ T73] netlink_unicast+0x449/0x710 [ 3996.667125][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.667125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.667125][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.667125][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.667125][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.667125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.667125][ T73] [ 3996.669298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.669298][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.669298][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.669298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.669298][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3996.669298][ T73] ipv6_add_addr+0x411/0x2000 [ 3996.669298][ T73] inet6_addr_add+0x30e/0xa40 [ 3996.669298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.669298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.669298][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.669298][ T73] netlink_unicast+0x449/0x710 [ 3996.669298][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.669298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.669298][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.669298][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.669298][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.669298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.669298][ T73] [ 3996.671478][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.671478][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.671478][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.671478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.671478][ T73] ip6_route_add+0x1c/0x140 [ 3996.671478][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3996.671478][ T73] addrconf_add_dev+0xe2/0x170 [ 3996.671478][ T73] inet6_addr_add+0x12f/0xa40 [ 3996.671478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.671478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.671478][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.671478][ T73] netlink_unicast+0x449/0x710 [ 3996.671478][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.671478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.671478][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.671478][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.671478][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.671478][ T73] [ 3996.673590][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.673590][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3996.673590][ T73] ipv6_find_idev+0x102/0x170 [ 3996.673590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.673590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.673590][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.673590][ T73] netlink_unicast+0x449/0x710 [ 3996.673590][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.673590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.673590][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.673590][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.673590][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.673590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.673590][ T73] [ 3996.675128][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 3996.675128][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3996.675128][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3996.675128][ T73] ipv6_find_idev+0x102/0x170 [ 3996.675128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.675128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.675128][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.675128][ T73] netlink_unicast+0x449/0x710 [ 3996.675128][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.675128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.675128][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.675128][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.675128][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.675128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.675128][ T73] [ 3996.676805][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3996.677080][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.677080][ T73] dst_init+0x84/0x4a0 [ 3996.677080][ T73] dst_alloc+0x97/0x150 [ 3996.677080][ T73] ip6_dst_alloc+0x23/0x90 [ 3996.677080][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3996.677080][ T73] ip6_pol_route+0x56f/0x840 [ 3996.677080][ T73] fib6_rule_lookup+0x456/0x630 [ 3996.677080][ T73] ip6_route_input+0x59c/0xa50 [ 3996.677080][ T73] ipv6_rcv+0x397/0x810 [ 3996.677080][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3996.677080][ T73] process_backlog+0x101/0x620 [ 3996.677080][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3996.677080][ T73] net_rx_action+0x495/0xbe0 [ 3996.677080][ T73] __do_softirq+0x1b5/0x7f6 [ 3996.677080][ T73] [ 3996.678708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.678708][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.678708][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.678708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.678708][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3996.678708][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3996.678708][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3996.678708][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3996.678708][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3996.678708][ T73] addrconf_dad_begin+0x310/0x670 [ 3996.678708][ T73] addrconf_dad_work+0x10b/0xab0 [ 3996.678708][ T73] process_one_work+0x84d/0x18a0 [ 3996.678708][ T73] worker_thread+0x587/0xd30 [ 3996.678708][ T73] kthread+0x28a/0x350 [ 3996.678708][ T73] ret_from_fork+0x31/0x70 [ 3996.678708][ T73] ret_from_fork_asm+0x1a/0x30 [ 3996.678708][ T73] [ 3996.680792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.680792][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.680792][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.680792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.680792][ T73] ip6_route_add+0x1c/0x140 [ 3996.680792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3996.680792][ T73] inet6_addr_add+0x4f8/0xa40 [ 3996.680792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.680792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.680792][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.680792][ T73] netlink_unicast+0x449/0x710 [ 3996.680792][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.680792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.680792][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.680792][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.680792][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.680792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.680792][ T73] [ 3996.682990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.682990][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.682990][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.682990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.682990][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3996.682990][ T73] ipv6_add_addr+0x411/0x2000 [ 3996.682990][ T73] inet6_addr_add+0x30e/0xa40 [ 3996.682990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.682990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.682990][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.682990][ T73] netlink_unicast+0x449/0x710 [ 3996.682990][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.682990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.682990][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.682990][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.682990][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.682990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.682990][ T73] [ 3996.684988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.684988][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.684988][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.684988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.684988][ T73] ip6_route_add+0x1c/0x140 [ 3996.684988][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3996.684988][ T73] addrconf_add_dev+0xe2/0x170 [ 3996.684988][ T73] inet6_addr_add+0x12f/0xa40 [ 3996.684988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.684988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.684988][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.684988][ T73] netlink_unicast+0x449/0x710 [ 3996.684988][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.684988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.684988][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.684988][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.684988][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.684988][ T73] [ 3996.686951][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.686951][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3996.686951][ T73] ipv6_find_idev+0x102/0x170 [ 3996.686951][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.686951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.686951][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.686951][ T73] netlink_unicast+0x449/0x710 [ 3996.686951][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.686951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.686951][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.686951][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.686951][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.686951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.686951][ T73] [ 3996.688488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 3996.688488][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3996.688488][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3996.688488][ T73] ipv6_find_idev+0x102/0x170 [ 3996.688488][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.688488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.688488][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.688488][ T73] netlink_unicast+0x449/0x710 [ 3996.688488][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.688488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.688488][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.688488][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.688488][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.688488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.688488][ T73] [ 3996.690241][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3996.690514][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.690514][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 3996.690514][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 3996.690514][ T73] fib6_nh_init+0xa22/0x1580 [ 3996.690514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.690514][ T73] ip6_route_add+0x1c/0x140 [ 3996.690514][ T73] inet6_rtm_newroute+0x104/0x110 [ 3996.690514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.690514][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.690514][ T73] netlink_unicast+0x449/0x710 [ 3996.690514][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.690514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.690514][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.690514][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.690514][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.690514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.690514][ T73] [ 3996.692529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.692529][ T73] dst_init+0x84/0x4a0 [ 3996.692529][ T73] dst_alloc+0x97/0x150 [ 3996.692529][ T73] ip6_dst_alloc+0x23/0x90 [ 3996.692529][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3996.692529][ T73] ip6_pol_route+0x56f/0x840 [ 3996.692529][ T73] fib6_rule_lookup+0x456/0x630 [ 3996.692529][ T73] ip6_route_input+0x59c/0xa50 [ 3996.692529][ T73] ipv6_rcv+0x397/0x810 [ 3996.692529][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 3996.692529][ T73] process_backlog+0x101/0x620 [ 3996.692529][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 3996.692529][ T73] net_rx_action+0x495/0xbe0 [ 3996.692529][ T73] __do_softirq+0x1b5/0x7f6 [ 3996.692529][ T73] [ 3996.694286][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.694286][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.694286][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.694286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.694286][ T73] ip6_route_add+0x1c/0x140 [ 3996.694286][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3996.694286][ T73] inet6_addr_add+0x4f8/0xa40 [ 3996.694286][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.694286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.694286][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.694286][ T73] netlink_unicast+0x449/0x710 [ 3996.694286][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.694286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.694286][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.694286][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.694286][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.694286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.694286][ T73] [ 3996.696410][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.696410][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.696410][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.696410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.696410][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3996.696410][ T73] ipv6_add_addr+0x411/0x2000 [ 3996.696410][ T73] inet6_addr_add+0x30e/0xa40 [ 3996.696410][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.696410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.696410][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.696410][ T73] netlink_unicast+0x449/0x710 [ 3996.696410][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.696410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.696410][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.696410][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.696410][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.696410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.696410][ T73] [ 3996.698538][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.698538][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.698538][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.698538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.698538][ T73] ip6_route_add+0x1c/0x140 [ 3996.698538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3996.698538][ T73] addrconf_add_dev+0xe2/0x170 [ 3996.698538][ T73] inet6_addr_add+0x12f/0xa40 [ 3996.698538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.698538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.698538][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.698538][ T73] netlink_unicast+0x449/0x710 [ 3996.698538][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.698538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.698538][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.698538][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.698538][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.698538][ T73] [ 3996.700617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.700617][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3996.700617][ T73] ipv6_find_idev+0x102/0x170 [ 3996.700617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.700617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.700617][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.700617][ T73] netlink_unicast+0x449/0x710 [ 3996.700617][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.700617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.700617][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.700617][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.700617][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.700617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.700617][ T73] [ 3996.702223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 3996.702223][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3996.702223][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3996.702223][ T73] ipv6_find_idev+0x102/0x170 [ 3996.702223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.702223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.702223][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.702223][ T73] netlink_unicast+0x449/0x710 [ 3996.702223][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.702223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.702223][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.702223][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.702223][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.702223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.702223][ T73] [ 3996.704028][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3996.704293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3996.704293][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.704293][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.704293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.704293][ T73] addrconf_f6i_alloc+0x265/0x560 [ 3996.704293][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3996.704293][ T73] addrconf_join_anycast+0x1c0/0x220 [ 3996.704293][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3996.704293][ T73] addrconf_dad_completed+0x12b/0xe20 [ 3996.704293][ T73] addrconf_dad_begin+0x310/0x670 [ 3996.704293][ T73] addrconf_dad_work+0x10b/0xab0 [ 3996.704293][ T73] process_one_work+0x84d/0x18a0 [ 3996.704293][ T73] worker_thread+0x587/0xd30 [ 3996.704293][ T73] kthread+0x28a/0x350 [ 3996.704293][ T73] ret_from_fork+0x31/0x70 [ 3996.704293][ T73] ret_from_fork_asm+0x1a/0x30 [ 3996.704293][ T73] [ 3996.706326][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3996.706326][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.706326][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.706326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.706326][ T73] ip6_route_add+0x1c/0x140 [ 3996.706326][ T73] addrconf_prefix_route+0x2a6/0x430 [ 3996.706326][ T73] inet6_addr_add+0x4f8/0xa40 [ 3996.706326][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.706326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.706326][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.706326][ T73] netlink_unicast+0x449/0x710 [ 3996.706326][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.706326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.706326][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.706326][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.706326][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.706326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.706326][ T73] [ 3996.708442][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3996.708442][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.708442][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.708442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.708442][ T73] addrconf_f6i_alloc+0x315/0x560 [ 3996.708442][ T73] ipv6_add_addr+0x411/0x2000 [ 3996.708442][ T73] inet6_addr_add+0x30e/0xa40 [ 3996.708442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.708442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.708442][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.708442][ T73] netlink_unicast+0x449/0x710 [ 3996.708442][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.708442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.708442][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.708442][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.708442][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.708442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.708442][ T73] [ 3996.710560][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3996.710560][ T73] netdev_get_by_index+0x5e/0x80 [ 3996.710560][ T73] fib6_nh_init+0x3d8/0x1580 [ 3996.710560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 3996.710560][ T73] ip6_route_add+0x1c/0x140 [ 3996.710560][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 3996.710560][ T73] addrconf_add_dev+0xe2/0x170 [ 3996.710560][ T73] inet6_addr_add+0x12f/0xa40 [ 3996.710560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 3996.710560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.710560][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.710560][ T73] netlink_unicast+0x449/0x710 [ 3996.710560][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.710560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.710560][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.710560][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.710560][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.710560][ T73] [ 3996.712643][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3996.712643][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 3996.712643][ T73] ipv6_find_idev+0x102/0x170 [ 3996.712643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.712643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.712643][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.712643][ T73] netlink_unicast+0x449/0x710 [ 3996.712643][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.712643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.712643][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.712643][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.712643][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.712643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.712643][ T73] [ 3996.714247][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 3996.714247][ T73] neigh_parms_alloc+0x1e5/0x510 [ 3996.714247][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 3996.714247][ T73] ipv6_find_idev+0x102/0x170 [ 3996.714247][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 3996.714247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3996.714247][ T73] netlink_rcv_skb+0x130/0x360 [ 3996.714247][ T73] netlink_unicast+0x449/0x710 [ 3996.714247][ T73] netlink_sendmsg+0x723/0xbe0 [ 3996.714247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 3996.714247][ T73] ___sys_sendmsg+0xee/0x170 [ 3996.714247][ T73] __sys_sendmsg+0xcd/0x170 [ 3996.714247][ T73] do_syscall_64+0xc6/0x1e0 [ 3996.714247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3996.714247][ T73] [ 4006.870888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4006.871289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.871289][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4006.871289][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4006.871289][ T73] fib6_nh_init+0xa22/0x1580 [ 4006.871289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.871289][ T73] ip6_route_add+0x1c/0x140 [ 4006.871289][ T73] inet6_rtm_newroute+0x104/0x110 [ 4006.871289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.871289][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.871289][ T73] netlink_unicast+0x449/0x710 [ 4006.871289][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.871289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.871289][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.871289][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.871289][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.871289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.871289][ T73] [ 4006.873177][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.873177][ T73] dst_init+0x84/0x4a0 [ 4006.873177][ T73] dst_alloc+0x97/0x150 [ 4006.873177][ T73] ip6_dst_alloc+0x23/0x90 [ 4006.873177][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4006.873177][ T73] ip6_pol_route+0x56f/0x840 [ 4006.873177][ T73] fib6_rule_lookup+0x456/0x630 [ 4006.873177][ T73] ip6_route_input+0x59c/0xa50 [ 4006.873177][ T73] ipv6_rcv+0x397/0x810 [ 4006.873177][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4006.873177][ T73] process_backlog+0x101/0x620 [ 4006.873177][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4006.873177][ T73] net_rx_action+0x495/0xbe0 [ 4006.873177][ T73] __do_softirq+0x1b5/0x7f6 [ 4006.873177][ T73] [ 4006.874817][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.874817][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.874817][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.874817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.874817][ T73] ip6_route_add+0x1c/0x140 [ 4006.874817][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4006.874817][ T73] inet6_addr_add+0x4f8/0xa40 [ 4006.874817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.874817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.874817][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.874817][ T73] netlink_unicast+0x449/0x710 [ 4006.874817][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.874817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.874817][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.874817][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.874817][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.874817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.874817][ T73] [ 4006.876811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.876811][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.876811][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.876811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.876811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4006.876811][ T73] ipv6_add_addr+0x411/0x2000 [ 4006.876811][ T73] inet6_addr_add+0x30e/0xa40 [ 4006.876811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.876811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.876811][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.876811][ T73] netlink_unicast+0x449/0x710 [ 4006.876811][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.876811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.876811][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.876811][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.876811][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.876811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.876811][ T73] [ 4006.878812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.878812][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.878812][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.878812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.878812][ T73] ip6_route_add+0x1c/0x140 [ 4006.878812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4006.878812][ T73] addrconf_add_dev+0xe2/0x170 [ 4006.878812][ T73] inet6_addr_add+0x12f/0xa40 [ 4006.878812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.878812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.878812][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.878812][ T73] netlink_unicast+0x449/0x710 [ 4006.878812][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.878812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.878812][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.878812][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.878812][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.878812][ T73] [ 4006.880773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.880773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4006.880773][ T73] ipv6_find_idev+0x102/0x170 [ 4006.880773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.880773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.880773][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.880773][ T73] netlink_unicast+0x449/0x710 [ 4006.880773][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.880773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.880773][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.880773][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.880773][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.880773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.880773][ T73] [ 4006.882309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4006.882309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4006.882309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4006.882309][ T73] ipv6_find_idev+0x102/0x170 [ 4006.882309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.882309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.882309][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.882309][ T73] netlink_unicast+0x449/0x710 [ 4006.882309][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.882309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.882309][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.882309][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.882309][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.882309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.882309][ T73] [ 4006.883994][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4006.884264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.884264][ T73] dst_init+0x84/0x4a0 [ 4006.884264][ T73] dst_alloc+0x97/0x150 [ 4006.884264][ T73] ip6_dst_alloc+0x23/0x90 [ 4006.884264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4006.884264][ T73] ip6_pol_route+0x56f/0x840 [ 4006.884264][ T73] fib6_rule_lookup+0x456/0x630 [ 4006.884264][ T73] ip6_route_input+0x59c/0xa50 [ 4006.884264][ T73] ipv6_rcv+0x397/0x810 [ 4006.884264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4006.884264][ T73] process_backlog+0x101/0x620 [ 4006.884264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4006.884264][ T73] net_rx_action+0x495/0xbe0 [ 4006.884264][ T73] __do_softirq+0x1b5/0x7f6 [ 4006.884264][ T73] [ 4006.885899][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.885899][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.885899][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.885899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.885899][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4006.885899][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4006.885899][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4006.885899][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4006.885899][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4006.885899][ T73] addrconf_dad_begin+0x310/0x670 [ 4006.885899][ T73] addrconf_dad_work+0x10b/0xab0 [ 4006.885899][ T73] process_one_work+0x84d/0x18a0 [ 4006.885899][ T73] worker_thread+0x587/0xd30 [ 4006.885899][ T73] kthread+0x28a/0x350 [ 4006.885899][ T73] ret_from_fork+0x31/0x70 [ 4006.885899][ T73] ret_from_fork_asm+0x1a/0x30 [ 4006.885899][ T73] [ 4006.887801][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.887801][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.887801][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.887801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.887801][ T73] ip6_route_add+0x1c/0x140 [ 4006.887801][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4006.887801][ T73] inet6_addr_add+0x4f8/0xa40 [ 4006.887801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.887801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.887801][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.887801][ T73] netlink_unicast+0x449/0x710 [ 4006.887801][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.887801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.887801][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.887801][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.887801][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.887801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.887801][ T73] [ 4006.889788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.889788][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.889788][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.889788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.889788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4006.889788][ T73] ipv6_add_addr+0x411/0x2000 [ 4006.889788][ T73] inet6_addr_add+0x30e/0xa40 [ 4006.889788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.889788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.889788][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.889788][ T73] netlink_unicast+0x449/0x710 [ 4006.889788][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.889788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.889788][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.889788][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.889788][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.889788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.889788][ T73] [ 4006.891774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.891774][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.891774][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.891774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.891774][ T73] ip6_route_add+0x1c/0x140 [ 4006.891774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4006.891774][ T73] addrconf_add_dev+0xe2/0x170 [ 4006.891774][ T73] inet6_addr_add+0x12f/0xa40 [ 4006.891774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.891774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.891774][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.891774][ T73] netlink_unicast+0x449/0x710 [ 4006.891774][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.891774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.891774][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.891774][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.891774][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.891774][ T73] [ 4006.893738][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.893738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4006.893738][ T73] ipv6_find_idev+0x102/0x170 [ 4006.893738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.893738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.893738][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.893738][ T73] netlink_unicast+0x449/0x710 [ 4006.893738][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.893738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.893738][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.893738][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.893738][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.893738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.893738][ T73] [ 4006.895270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4006.895270][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4006.895270][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4006.895270][ T73] ipv6_find_idev+0x102/0x170 [ 4006.895270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.895270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.895270][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.895270][ T73] netlink_unicast+0x449/0x710 [ 4006.895270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.895270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.895270][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.895270][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.895270][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.895270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.895270][ T73] [ 4006.897017][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4006.897282][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.897282][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4006.897282][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4006.897282][ T73] fib6_nh_init+0xa22/0x1580 [ 4006.897282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.897282][ T73] ip6_route_add+0x1c/0x140 [ 4006.897282][ T73] inet6_rtm_newroute+0x104/0x110 [ 4006.897282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.897282][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.897282][ T73] netlink_unicast+0x449/0x710 [ 4006.897282][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.897282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.897282][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.897282][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.897282][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.897282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.897282][ T73] [ 4006.899292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.899292][ T73] dst_init+0x84/0x4a0 [ 4006.899292][ T73] dst_alloc+0x97/0x150 [ 4006.899292][ T73] ip6_dst_alloc+0x23/0x90 [ 4006.899292][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4006.899292][ T73] ip6_pol_route+0x56f/0x840 [ 4006.899292][ T73] fib6_rule_lookup+0x456/0x630 [ 4006.899292][ T73] ip6_route_input+0x59c/0xa50 [ 4006.899292][ T73] ipv6_rcv+0x397/0x810 [ 4006.899292][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4006.899292][ T73] process_backlog+0x101/0x620 [ 4006.899292][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4006.899292][ T73] net_rx_action+0x495/0xbe0 [ 4006.899292][ T73] __do_softirq+0x1b5/0x7f6 [ 4006.899292][ T73] [ 4006.901038][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.901038][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.901038][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.901038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.901038][ T73] ip6_route_add+0x1c/0x140 [ 4006.901038][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4006.901038][ T73] inet6_addr_add+0x4f8/0xa40 [ 4006.901038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.901038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.901038][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.901038][ T73] netlink_unicast+0x449/0x710 [ 4006.901038][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.901038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.901038][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.901038][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.901038][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.901038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.901038][ T73] [ 4006.903174][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.903174][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.903174][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.903174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.903174][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4006.903174][ T73] ipv6_add_addr+0x411/0x2000 [ 4006.903174][ T73] inet6_addr_add+0x30e/0xa40 [ 4006.903174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.903174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.903174][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.903174][ T73] netlink_unicast+0x449/0x710 [ 4006.903174][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.903174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.903174][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.903174][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.903174][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.903174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.903174][ T73] [ 4006.905345][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.905345][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.905345][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.905345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.905345][ T73] ip6_route_add+0x1c/0x140 [ 4006.905345][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4006.905345][ T73] addrconf_add_dev+0xe2/0x170 [ 4006.905345][ T73] inet6_addr_add+0x12f/0xa40 [ 4006.905345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.905345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.905345][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.905345][ T73] netlink_unicast+0x449/0x710 [ 4006.905345][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.905345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.905345][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.905345][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.905345][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.905345][ T73] [ 4006.907430][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.907430][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4006.907430][ T73] ipv6_find_idev+0x102/0x170 [ 4006.907430][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.907430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.907430][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.907430][ T73] netlink_unicast+0x449/0x710 [ 4006.907430][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.907430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.907430][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.907430][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.907430][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.907430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.907430][ T73] [ 4006.909024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4006.909024][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4006.909024][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4006.909024][ T73] ipv6_find_idev+0x102/0x170 [ 4006.909024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.909024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.909024][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.909024][ T73] netlink_unicast+0x449/0x710 [ 4006.909024][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.909024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.909024][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.909024][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.909024][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.909024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.909024][ T73] [ 4006.910805][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4006.911071][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4006.911071][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.911071][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.911071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.911071][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4006.911071][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4006.911071][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4006.911071][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4006.911071][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4006.911071][ T73] addrconf_dad_begin+0x310/0x670 [ 4006.911071][ T73] addrconf_dad_work+0x10b/0xab0 [ 4006.911071][ T73] process_one_work+0x84d/0x18a0 [ 4006.911071][ T73] worker_thread+0x587/0xd30 [ 4006.911071][ T73] kthread+0x28a/0x350 [ 4006.911071][ T73] ret_from_fork+0x31/0x70 [ 4006.911071][ T73] ret_from_fork_asm+0x1a/0x30 [ 4006.911071][ T73] [ 4006.913120][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4006.913120][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.913120][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.913120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.913120][ T73] ip6_route_add+0x1c/0x140 [ 4006.913120][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4006.913120][ T73] inet6_addr_add+0x4f8/0xa40 [ 4006.913120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.913120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.913120][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.913120][ T73] netlink_unicast+0x449/0x710 [ 4006.913120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.913120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.913120][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.913120][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.913120][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.913120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.913120][ T73] [ 4006.915391][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4006.915391][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.915391][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.915391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.915391][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4006.915391][ T73] ipv6_add_addr+0x411/0x2000 [ 4006.915391][ T73] inet6_addr_add+0x30e/0xa40 [ 4006.915391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.915391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.915391][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.915391][ T73] netlink_unicast+0x449/0x710 [ 4006.915391][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.915391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.915391][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.915391][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.915391][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.915391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.915391][ T73] [ 4006.917458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4006.917458][ T73] netdev_get_by_index+0x5e/0x80 [ 4006.917458][ T73] fib6_nh_init+0x3d8/0x1580 [ 4006.917458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4006.917458][ T73] ip6_route_add+0x1c/0x140 [ 4006.917458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4006.917458][ T73] addrconf_add_dev+0xe2/0x170 [ 4006.917458][ T73] inet6_addr_add+0x12f/0xa40 [ 4006.917458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4006.917458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.917458][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.917458][ T73] netlink_unicast+0x449/0x710 [ 4006.917458][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.917458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.917458][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.917458][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.917458][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.917458][ T73] [ 4006.919553][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4006.919553][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4006.919553][ T73] ipv6_find_idev+0x102/0x170 [ 4006.919553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.919553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.919553][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.919553][ T73] netlink_unicast+0x449/0x710 [ 4006.919553][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.919553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.919553][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.919553][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.919553][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.919553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.919553][ T73] [ 4006.921164][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4006.921164][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4006.921164][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4006.921164][ T73] ipv6_find_idev+0x102/0x170 [ 4006.921164][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4006.921164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4006.921164][ T73] netlink_rcv_skb+0x130/0x360 [ 4006.921164][ T73] netlink_unicast+0x449/0x710 [ 4006.921164][ T73] netlink_sendmsg+0x723/0xbe0 [ 4006.921164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4006.921164][ T73] ___sys_sendmsg+0xee/0x170 [ 4006.921164][ T73] __sys_sendmsg+0xcd/0x170 [ 4006.921164][ T73] do_syscall_64+0xc6/0x1e0 [ 4006.921164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4006.921164][ T73] [ 4017.158937][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4017.159336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.159336][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4017.159336][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4017.159336][ T73] fib6_nh_init+0xa22/0x1580 [ 4017.159336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.159336][ T73] ip6_route_add+0x1c/0x140 [ 4017.159336][ T73] inet6_rtm_newroute+0x104/0x110 [ 4017.159336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.159336][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.159336][ T73] netlink_unicast+0x449/0x710 [ 4017.159336][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.159336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.159336][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.159336][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.159336][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.159336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.159336][ T73] [ 4017.161236][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.161236][ T73] dst_init+0x84/0x4a0 [ 4017.161236][ T73] dst_alloc+0x97/0x150 [ 4017.161236][ T73] ip6_dst_alloc+0x23/0x90 [ 4017.161236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4017.161236][ T73] ip6_pol_route+0x56f/0x840 [ 4017.161236][ T73] fib6_rule_lookup+0x456/0x630 [ 4017.161236][ T73] ip6_route_input+0x59c/0xa50 [ 4017.161236][ T73] ipv6_rcv+0x397/0x810 [ 4017.161236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4017.161236][ T73] process_backlog+0x101/0x620 [ 4017.161236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4017.161236][ T73] net_rx_action+0x495/0xbe0 [ 4017.161236][ T73] __do_softirq+0x1b5/0x7f6 [ 4017.161236][ T73] [ 4017.162901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.162901][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.162901][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.162901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.162901][ T73] ip6_route_add+0x1c/0x140 [ 4017.162901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4017.162901][ T73] inet6_addr_add+0x4f8/0xa40 [ 4017.162901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.162901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.162901][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.162901][ T73] netlink_unicast+0x449/0x710 [ 4017.162901][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.162901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.162901][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.162901][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.162901][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.162901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.162901][ T73] [ 4017.164907][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.164907][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.164907][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.164907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.164907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4017.164907][ T73] ipv6_add_addr+0x411/0x2000 [ 4017.164907][ T73] inet6_addr_add+0x30e/0xa40 [ 4017.164907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.164907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.164907][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.164907][ T73] netlink_unicast+0x449/0x710 [ 4017.164907][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.164907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.164907][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.164907][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.164907][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.164907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.164907][ T73] [ 4017.166938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.166938][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.166938][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.166938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.166938][ T73] ip6_route_add+0x1c/0x140 [ 4017.166938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.166938][ T73] addrconf_add_dev+0xe2/0x170 [ 4017.166938][ T73] inet6_addr_add+0x12f/0xa40 [ 4017.166938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.166938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.166938][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.166938][ T73] netlink_unicast+0x449/0x710 [ 4017.166938][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.166938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.166938][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.166938][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.166938][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.166938][ T73] [ 4017.168922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.168922][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4017.168922][ T73] ipv6_find_idev+0x102/0x170 [ 4017.168922][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.168922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.168922][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.168922][ T73] netlink_unicast+0x449/0x710 [ 4017.168922][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.168922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.168922][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.168922][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.168922][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.168922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.168922][ T73] [ 4017.170476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4017.170476][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4017.170476][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4017.170476][ T73] ipv6_find_idev+0x102/0x170 [ 4017.170476][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.170476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.170476][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.170476][ T73] netlink_unicast+0x449/0x710 [ 4017.170476][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.170476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.170476][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.170476][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.170476][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.170476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.170476][ T73] [ 4017.172206][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4017.172479][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.172479][ T73] dst_init+0x84/0x4a0 [ 4017.172479][ T73] dst_alloc+0x97/0x150 [ 4017.172479][ T73] ip6_dst_alloc+0x23/0x90 [ 4017.172479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4017.172479][ T73] ip6_pol_route+0x56f/0x840 [ 4017.172479][ T73] fib6_rule_lookup+0x456/0x630 [ 4017.172479][ T73] ip6_route_input+0x59c/0xa50 [ 4017.172479][ T73] ipv6_rcv+0x397/0x810 [ 4017.172479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4017.172479][ T73] process_backlog+0x101/0x620 [ 4017.172479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4017.172479][ T73] net_rx_action+0x495/0xbe0 [ 4017.172479][ T73] __do_softirq+0x1b5/0x7f6 [ 4017.172479][ T73] [ 4017.174134][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.174134][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.174134][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.174134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.174134][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4017.174134][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4017.174134][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4017.174134][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4017.174134][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4017.174134][ T73] addrconf_dad_begin+0x310/0x670 [ 4017.174134][ T73] addrconf_dad_work+0x10b/0xab0 [ 4017.174134][ T73] process_one_work+0x84d/0x18a0 [ 4017.174134][ T73] worker_thread+0x587/0xd30 [ 4017.174134][ T73] kthread+0x28a/0x350 [ 4017.174134][ T73] ret_from_fork+0x31/0x70 [ 4017.174134][ T73] ret_from_fork_asm+0x1a/0x30 [ 4017.174134][ T73] [ 4017.176065][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.176065][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.176065][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.176065][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.176065][ T73] ip6_route_add+0x1c/0x140 [ 4017.176065][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4017.176065][ T73] inet6_addr_add+0x4f8/0xa40 [ 4017.176065][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.176065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.176065][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.176065][ T73] netlink_unicast+0x449/0x710 [ 4017.176065][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.176065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.176065][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.176065][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.176065][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.176065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.176065][ T73] [ 4017.178071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.178071][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.178071][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.178071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.178071][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4017.178071][ T73] ipv6_add_addr+0x411/0x2000 [ 4017.178071][ T73] inet6_addr_add+0x30e/0xa40 [ 4017.178071][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.178071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.178071][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.178071][ T73] netlink_unicast+0x449/0x710 [ 4017.178071][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.178071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.178071][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.178071][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.178071][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.178071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.178071][ T73] [ 4017.180084][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.180084][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.180084][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.180084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.180084][ T73] ip6_route_add+0x1c/0x140 [ 4017.180084][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.180084][ T73] addrconf_add_dev+0xe2/0x170 [ 4017.180084][ T73] inet6_addr_add+0x12f/0xa40 [ 4017.180084][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.180084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.180084][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.180084][ T73] netlink_unicast+0x449/0x710 [ 4017.180084][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.180084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.180084][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.180084][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.180084][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.180084][ T73] [ 4017.182069][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.182069][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4017.182069][ T73] ipv6_find_idev+0x102/0x170 [ 4017.182069][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.182069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.182069][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.182069][ T73] netlink_unicast+0x449/0x710 [ 4017.182069][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.182069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.182069][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.182069][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.182069][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.182069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.182069][ T73] [ 4017.183628][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4017.183628][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4017.183628][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4017.183628][ T73] ipv6_find_idev+0x102/0x170 [ 4017.183628][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.183628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.183628][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.183628][ T73] netlink_unicast+0x449/0x710 [ 4017.183628][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.183628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.183628][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.183628][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.183628][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.183628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.183628][ T73] [ 4017.185451][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4017.185721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.185721][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4017.185721][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4017.185721][ T73] fib6_nh_init+0xa22/0x1580 [ 4017.185721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.185721][ T73] ip6_route_add+0x1c/0x140 [ 4017.185721][ T73] inet6_rtm_newroute+0x104/0x110 [ 4017.185721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.185721][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.185721][ T73] netlink_unicast+0x449/0x710 [ 4017.185721][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.185721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.185721][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.185721][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.185721][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.185721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.185721][ T73] [ 4017.187854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.187854][ T73] dst_init+0x84/0x4a0 [ 4017.187854][ T73] dst_alloc+0x97/0x150 [ 4017.187854][ T73] ip6_dst_alloc+0x23/0x90 [ 4017.187854][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4017.187854][ T73] ip6_pol_route+0x56f/0x840 [ 4017.187854][ T73] fib6_rule_lookup+0x456/0x630 [ 4017.187854][ T73] ip6_route_input+0x59c/0xa50 [ 4017.187854][ T73] ipv6_rcv+0x397/0x810 [ 4017.187854][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4017.187854][ T73] process_backlog+0x101/0x620 [ 4017.187854][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4017.187854][ T73] net_rx_action+0x495/0xbe0 [ 4017.187854][ T73] __do_softirq+0x1b5/0x7f6 [ 4017.187854][ T73] [ 4017.189685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.189685][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.189685][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.189685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.189685][ T73] ip6_route_add+0x1c/0x140 [ 4017.189685][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4017.189685][ T73] inet6_addr_add+0x4f8/0xa40 [ 4017.189685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.189685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.189685][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.189685][ T73] netlink_unicast+0x449/0x710 [ 4017.189685][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.189685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.189685][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.189685][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.189685][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.189685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.189685][ T73] [ 4017.192000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.192000][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.192000][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.192000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.192000][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4017.192000][ T73] ipv6_add_addr+0x411/0x2000 [ 4017.192000][ T73] inet6_addr_add+0x30e/0xa40 [ 4017.192000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.192000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.192000][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.192000][ T73] netlink_unicast+0x449/0x710 [ 4017.192000][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.192000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.192000][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.192000][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.192000][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.192000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.192000][ T73] [ 4017.194257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.194257][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.194257][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.194257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.194257][ T73] ip6_route_add+0x1c/0x140 [ 4017.194257][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.194257][ T73] addrconf_add_dev+0xe2/0x170 [ 4017.194257][ T73] inet6_addr_add+0x12f/0xa40 [ 4017.194257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.194257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.194257][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.194257][ T73] netlink_unicast+0x449/0x710 [ 4017.194257][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.194257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.194257][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.194257][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.194257][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.194257][ T73] [ 4017.196407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.196407][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4017.196407][ T73] ipv6_find_idev+0x102/0x170 [ 4017.196407][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.196407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.196407][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.196407][ T73] netlink_unicast+0x449/0x710 [ 4017.196407][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.196407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.196407][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.196407][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.196407][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.196407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.196407][ T73] [ 4017.198644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4017.198644][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4017.198644][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4017.198644][ T73] ipv6_find_idev+0x102/0x170 [ 4017.198644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.198644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.198644][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.198644][ T73] netlink_unicast+0x449/0x710 [ 4017.198644][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.198644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.198644][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.198644][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.198644][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.198644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.198644][ T73] [ 4017.200638][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4017.201339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4017.201339][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.201339][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.201339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.201339][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4017.201339][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4017.201339][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4017.201339][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4017.201339][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4017.201339][ T73] addrconf_dad_begin+0x310/0x670 [ 4017.201339][ T73] addrconf_dad_work+0x10b/0xab0 [ 4017.201339][ T73] process_one_work+0x84d/0x18a0 [ 4017.201339][ T73] worker_thread+0x587/0xd30 [ 4017.201339][ T73] kthread+0x28a/0x350 [ 4017.201339][ T73] ret_from_fork+0x31/0x70 [ 4017.201339][ T73] ret_from_fork_asm+0x1a/0x30 [ 4017.201339][ T73] [ 4017.203657][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4017.203657][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.203657][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.203657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.203657][ T73] ip6_route_add+0x1c/0x140 [ 4017.203657][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4017.203657][ T73] inet6_addr_add+0x4f8/0xa40 [ 4017.203657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.203657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.203657][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.203657][ T73] netlink_unicast+0x449/0x710 [ 4017.203657][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.203657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.203657][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.203657][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.203657][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.203657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.203657][ T73] [ 4017.205798][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4017.205798][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.205798][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.205798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.205798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4017.205798][ T73] ipv6_add_addr+0x411/0x2000 [ 4017.205798][ T73] inet6_addr_add+0x30e/0xa40 [ 4017.205798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.205798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.205798][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.205798][ T73] netlink_unicast+0x449/0x710 [ 4017.205798][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.205798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.205798][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.205798][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.205798][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.205798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.205798][ T73] [ 4017.207987][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4017.207987][ T73] netdev_get_by_index+0x5e/0x80 [ 4017.207987][ T73] fib6_nh_init+0x3d8/0x1580 [ 4017.207987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4017.207987][ T73] ip6_route_add+0x1c/0x140 [ 4017.207987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.207987][ T73] addrconf_add_dev+0xe2/0x170 [ 4017.207987][ T73] inet6_addr_add+0x12f/0xa40 [ 4017.207987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.207987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.207987][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.207987][ T73] netlink_unicast+0x449/0x710 [ 4017.207987][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.207987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.207987][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.207987][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.207987][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.207987][ T73] [ 4017.210203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4017.210203][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4017.210203][ T73] ipv6_find_idev+0x102/0x170 [ 4017.210203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.210203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.210203][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.210203][ T73] netlink_unicast+0x449/0x710 [ 4017.210203][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.210203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.210203][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.210203][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.210203][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.210203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.210203][ T73] [ 4017.211945][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4017.211945][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4017.211945][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4017.211945][ T73] ipv6_find_idev+0x102/0x170 [ 4017.211945][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.211945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.211945][ T73] netlink_rcv_skb+0x130/0x360 [ 4017.211945][ T73] netlink_unicast+0x449/0x710 [ 4017.211945][ T73] netlink_sendmsg+0x723/0xbe0 [ 4017.211945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4017.211945][ T73] ___sys_sendmsg+0xee/0x170 [ 4017.211945][ T73] __sys_sendmsg+0xcd/0x170 [ 4017.211945][ T73] do_syscall_64+0xc6/0x1e0 [ 4017.211945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.211945][ T73] [ 4027.454904][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4027.455303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.455303][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4027.455303][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4027.455303][ T73] fib6_nh_init+0xa22/0x1580 [ 4027.455303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.455303][ T73] ip6_route_add+0x1c/0x140 [ 4027.455303][ T73] inet6_rtm_newroute+0x104/0x110 [ 4027.455303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.455303][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.455303][ T73] netlink_unicast+0x449/0x710 [ 4027.455303][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.455303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.455303][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.455303][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.455303][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.455303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.455303][ T73] [ 4027.457205][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.457205][ T73] dst_init+0x84/0x4a0 [ 4027.457205][ T73] dst_alloc+0x97/0x150 [ 4027.457205][ T73] ip6_dst_alloc+0x23/0x90 [ 4027.457205][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4027.457205][ T73] ip6_pol_route+0x56f/0x840 [ 4027.457205][ T73] fib6_rule_lookup+0x456/0x630 [ 4027.457205][ T73] ip6_route_input+0x59c/0xa50 [ 4027.457205][ T73] ipv6_rcv+0x397/0x810 [ 4027.457205][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4027.457205][ T73] process_backlog+0x101/0x620 [ 4027.457205][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4027.457205][ T73] net_rx_action+0x495/0xbe0 [ 4027.457205][ T73] __do_softirq+0x1b5/0x7f6 [ 4027.457205][ T73] [ 4027.458852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.458852][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.458852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.458852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.458852][ T73] ip6_route_add+0x1c/0x140 [ 4027.458852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4027.458852][ T73] inet6_addr_add+0x4f8/0xa40 [ 4027.458852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.458852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.458852][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.458852][ T73] netlink_unicast+0x449/0x710 [ 4027.458852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.458852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.458852][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.458852][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.458852][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.458852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.458852][ T73] [ 4027.460884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.460884][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.460884][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.460884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.460884][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4027.460884][ T73] ipv6_add_addr+0x411/0x2000 [ 4027.460884][ T73] inet6_addr_add+0x30e/0xa40 [ 4027.460884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.460884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.460884][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.460884][ T73] netlink_unicast+0x449/0x710 [ 4027.460884][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.460884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.460884][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.460884][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.460884][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.460884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.460884][ T73] [ 4027.462911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.462911][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.462911][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.462911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.462911][ T73] ip6_route_add+0x1c/0x140 [ 4027.462911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4027.462911][ T73] addrconf_add_dev+0xe2/0x170 [ 4027.462911][ T73] inet6_addr_add+0x12f/0xa40 [ 4027.462911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.462911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.462911][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.462911][ T73] netlink_unicast+0x449/0x710 [ 4027.462911][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.462911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.462911][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.462911][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.462911][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.462911][ T73] [ 4027.464893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.464893][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4027.464893][ T73] ipv6_find_idev+0x102/0x170 [ 4027.464893][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.464893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.464893][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.464893][ T73] netlink_unicast+0x449/0x710 [ 4027.464893][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.464893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.464893][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.464893][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.464893][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.464893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.464893][ T73] [ 4027.466444][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4027.466444][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4027.466444][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4027.466444][ T73] ipv6_find_idev+0x102/0x170 [ 4027.466444][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.466444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.466444][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.466444][ T73] netlink_unicast+0x449/0x710 [ 4027.466444][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.466444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.466444][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.466444][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.466444][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.466444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.466444][ T73] [ 4027.468153][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4027.468425][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.468425][ T73] dst_init+0x84/0x4a0 [ 4027.468425][ T73] dst_alloc+0x97/0x150 [ 4027.468425][ T73] ip6_dst_alloc+0x23/0x90 [ 4027.468425][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4027.468425][ T73] ip6_pol_route+0x56f/0x840 [ 4027.468425][ T73] fib6_rule_lookup+0x456/0x630 [ 4027.468425][ T73] ip6_route_input+0x59c/0xa50 [ 4027.468425][ T73] ipv6_rcv+0x397/0x810 [ 4027.468425][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4027.468425][ T73] process_backlog+0x101/0x620 [ 4027.468425][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4027.468425][ T73] net_rx_action+0x495/0xbe0 [ 4027.468425][ T73] __do_softirq+0x1b5/0x7f6 [ 4027.468425][ T73] [ 4027.470100][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.470100][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.470100][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.470100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.470100][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4027.470100][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4027.470100][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4027.470100][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4027.470100][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4027.470100][ T73] addrconf_dad_begin+0x310/0x670 [ 4027.470100][ T73] addrconf_dad_work+0x10b/0xab0 [ 4027.470100][ T73] process_one_work+0x84d/0x18a0 [ 4027.470100][ T73] worker_thread+0x587/0xd30 [ 4027.470100][ T73] kthread+0x28a/0x350 [ 4027.470100][ T73] ret_from_fork+0x31/0x70 [ 4027.470100][ T73] ret_from_fork_asm+0x1a/0x30 [ 4027.470100][ T73] [ 4027.472024][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.472024][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.472024][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.472024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.472024][ T73] ip6_route_add+0x1c/0x140 [ 4027.472024][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4027.472024][ T73] inet6_addr_add+0x4f8/0xa40 [ 4027.472024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.472024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.472024][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.472024][ T73] netlink_unicast+0x449/0x710 [ 4027.472024][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.472024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.472024][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.472024][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.472024][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.472024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.472024][ T73] [ 4027.474040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.474040][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.474040][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.474040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.474040][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4027.474040][ T73] ipv6_add_addr+0x411/0x2000 [ 4027.474040][ T73] inet6_addr_add+0x30e/0xa40 [ 4027.474040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.474040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.474040][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.474040][ T73] netlink_unicast+0x449/0x710 [ 4027.474040][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.474040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.474040][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.474040][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.474040][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.474040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.474040][ T73] [ 4027.476046][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.476046][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.476046][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.476046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.476046][ T73] ip6_route_add+0x1c/0x140 [ 4027.476046][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4027.476046][ T73] addrconf_add_dev+0xe2/0x170 [ 4027.476046][ T73] inet6_addr_add+0x12f/0xa40 [ 4027.476046][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.476046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.476046][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.476046][ T73] netlink_unicast+0x449/0x710 [ 4027.476046][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.476046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.476046][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.476046][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.476046][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.476046][ T73] [ 4027.478026][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.478026][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4027.478026][ T73] ipv6_find_idev+0x102/0x170 [ 4027.478026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.478026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.478026][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.478026][ T73] netlink_unicast+0x449/0x710 [ 4027.478026][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.478026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.478026][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.478026][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.478026][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.478026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.478026][ T73] [ 4027.479570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4027.479570][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4027.479570][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4027.479570][ T73] ipv6_find_idev+0x102/0x170 [ 4027.479570][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.479570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.479570][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.479570][ T73] netlink_unicast+0x449/0x710 [ 4027.479570][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.479570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.479570][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.479570][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.479570][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.479570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.479570][ T73] [ 4027.481397][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4027.481673][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.481673][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4027.481673][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4027.481673][ T73] fib6_nh_init+0xa22/0x1580 [ 4027.481673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.481673][ T73] ip6_route_add+0x1c/0x140 [ 4027.481673][ T73] inet6_rtm_newroute+0x104/0x110 [ 4027.481673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.481673][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.481673][ T73] netlink_unicast+0x449/0x710 [ 4027.481673][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.481673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.481673][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.481673][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.481673][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.481673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.481673][ T73] [ 4027.483870][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.483870][ T73] dst_init+0x84/0x4a0 [ 4027.483870][ T73] dst_alloc+0x97/0x150 [ 4027.483870][ T73] ip6_dst_alloc+0x23/0x90 [ 4027.483870][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4027.483870][ T73] ip6_pol_route+0x56f/0x840 [ 4027.483870][ T73] fib6_rule_lookup+0x456/0x630 [ 4027.483870][ T73] ip6_route_input+0x59c/0xa50 [ 4027.483870][ T73] ipv6_rcv+0x397/0x810 [ 4027.483870][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4027.483870][ T73] process_backlog+0x101/0x620 [ 4027.483870][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4027.483870][ T73] net_rx_action+0x495/0xbe0 [ 4027.483870][ T73] __do_softirq+0x1b5/0x7f6 [ 4027.483870][ T73] [ 4027.485690][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.485690][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.485690][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.485690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.485690][ T73] ip6_route_add+0x1c/0x140 [ 4027.485690][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4027.485690][ T73] inet6_addr_add+0x4f8/0xa40 [ 4027.485690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.485690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.485690][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.485690][ T73] netlink_unicast+0x449/0x710 [ 4027.485690][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.485690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.485690][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.485690][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.485690][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.485690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.485690][ T73] [ 4027.487943][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.487943][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.487943][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.487943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.487943][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4027.487943][ T73] ipv6_add_addr+0x411/0x2000 [ 4027.487943][ T73] inet6_addr_add+0x30e/0xa40 [ 4027.487943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.487943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.487943][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.487943][ T73] netlink_unicast+0x449/0x710 [ 4027.487943][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.487943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.487943][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.487943][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.487943][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.487943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.487943][ T73] [ 4027.490213][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.490213][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.490213][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.490213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.490213][ T73] ip6_route_add+0x1c/0x140 [ 4027.490213][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4027.490213][ T73] addrconf_add_dev+0xe2/0x170 [ 4027.490213][ T73] inet6_addr_add+0x12f/0xa40 [ 4027.490213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.490213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.490213][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.490213][ T73] netlink_unicast+0x449/0x710 [ 4027.490213][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.490213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.490213][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.490213][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.490213][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.490213][ T73] [ 4027.492504][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.492504][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4027.492504][ T73] ipv6_find_idev+0x102/0x170 [ 4027.492504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.492504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.492504][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.492504][ T73] netlink_unicast+0x449/0x710 [ 4027.492504][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.492504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.492504][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.492504][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.492504][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.492504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.492504][ T73] [ 4027.494235][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4027.494235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4027.494235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4027.494235][ T73] ipv6_find_idev+0x102/0x170 [ 4027.494235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.494235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.494235][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.494235][ T73] netlink_unicast+0x449/0x710 [ 4027.494235][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.494235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.494235][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.494235][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.494235][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.494235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.494235][ T73] [ 4027.496170][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4027.496451][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4027.496451][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.496451][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.496451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.496451][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4027.496451][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4027.496451][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4027.496451][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4027.496451][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4027.496451][ T73] addrconf_dad_begin+0x310/0x670 [ 4027.496451][ T73] addrconf_dad_work+0x10b/0xab0 [ 4027.496451][ T73] process_one_work+0x84d/0x18a0 [ 4027.496451][ T73] worker_thread+0x587/0xd30 [ 4027.496451][ T73] kthread+0x28a/0x350 [ 4027.496451][ T73] ret_from_fork+0x31/0x70 [ 4027.496451][ T73] ret_from_fork_asm+0x1a/0x30 [ 4027.496451][ T73] [ 4027.498621][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4027.498621][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.498621][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.498621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.498621][ T73] ip6_route_add+0x1c/0x140 [ 4027.498621][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4027.498621][ T73] inet6_addr_add+0x4f8/0xa40 [ 4027.498621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.498621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.498621][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.498621][ T73] netlink_unicast+0x449/0x710 [ 4027.498621][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.498621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.498621][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.498621][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.498621][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.498621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.498621][ T73] [ 4027.500800][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4027.500800][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.500800][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.500800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.500800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4027.500800][ T73] ipv6_add_addr+0x411/0x2000 [ 4027.500800][ T73] inet6_addr_add+0x30e/0xa40 [ 4027.500800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.500800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.500800][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.500800][ T73] netlink_unicast+0x449/0x710 [ 4027.500800][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.500800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.500800][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.500800][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.500800][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.500800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.500800][ T73] [ 4027.503110][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4027.503110][ T73] netdev_get_by_index+0x5e/0x80 [ 4027.503110][ T73] fib6_nh_init+0x3d8/0x1580 [ 4027.503110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4027.503110][ T73] ip6_route_add+0x1c/0x140 [ 4027.503110][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4027.503110][ T73] addrconf_add_dev+0xe2/0x170 [ 4027.503110][ T73] inet6_addr_add+0x12f/0xa40 [ 4027.503110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4027.503110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.503110][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.503110][ T73] netlink_unicast+0x449/0x710 [ 4027.503110][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.503110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.503110][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.503110][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.503110][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.503110][ T73] [ 4027.505321][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4027.505321][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4027.505321][ T73] ipv6_find_idev+0x102/0x170 [ 4027.505321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.505321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.505321][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.505321][ T73] netlink_unicast+0x449/0x710 [ 4027.505321][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.505321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.505321][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.505321][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.505321][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.505321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.505321][ T73] [ 4027.507042][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4027.507042][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4027.507042][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4027.507042][ T73] ipv6_find_idev+0x102/0x170 [ 4027.507042][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4027.507042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4027.507042][ T73] netlink_rcv_skb+0x130/0x360 [ 4027.507042][ T73] netlink_unicast+0x449/0x710 [ 4027.507042][ T73] netlink_sendmsg+0x723/0xbe0 [ 4027.507042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4027.507042][ T73] ___sys_sendmsg+0xee/0x170 [ 4027.507042][ T73] __sys_sendmsg+0xcd/0x170 [ 4027.507042][ T73] do_syscall_64+0xc6/0x1e0 [ 4027.507042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4027.507042][ T73] [ 4037.750884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4037.751282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.751282][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4037.751282][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4037.751282][ T73] fib6_nh_init+0xa22/0x1580 [ 4037.751282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.751282][ T73] ip6_route_add+0x1c/0x140 [ 4037.751282][ T73] inet6_rtm_newroute+0x104/0x110 [ 4037.751282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.751282][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.751282][ T73] netlink_unicast+0x449/0x710 [ 4037.751282][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.751282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.751282][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.751282][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.751282][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.751282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.751282][ T73] [ 4037.753199][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.753199][ T73] dst_init+0x84/0x4a0 [ 4037.753199][ T73] dst_alloc+0x97/0x150 [ 4037.753199][ T73] ip6_dst_alloc+0x23/0x90 [ 4037.753199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4037.753199][ T73] ip6_pol_route+0x56f/0x840 [ 4037.753199][ T73] fib6_rule_lookup+0x456/0x630 [ 4037.753199][ T73] ip6_route_input+0x59c/0xa50 [ 4037.753199][ T73] ipv6_rcv+0x397/0x810 [ 4037.753199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4037.753199][ T73] process_backlog+0x101/0x620 [ 4037.753199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4037.753199][ T73] net_rx_action+0x495/0xbe0 [ 4037.753199][ T73] __do_softirq+0x1b5/0x7f6 [ 4037.753199][ T73] [ 4037.754851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.754851][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.754851][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.754851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.754851][ T73] ip6_route_add+0x1c/0x140 [ 4037.754851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4037.754851][ T73] inet6_addr_add+0x4f8/0xa40 [ 4037.754851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.754851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.754851][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.754851][ T73] netlink_unicast+0x449/0x710 [ 4037.754851][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.754851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.754851][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.754851][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.754851][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.754851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.754851][ T73] [ 4037.756870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.756870][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.756870][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.756870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.756870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4037.756870][ T73] ipv6_add_addr+0x411/0x2000 [ 4037.756870][ T73] inet6_addr_add+0x30e/0xa40 [ 4037.756870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.756870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.756870][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.756870][ T73] netlink_unicast+0x449/0x710 [ 4037.756870][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.756870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.756870][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.756870][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.756870][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.756870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.756870][ T73] [ 4037.758898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.758898][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.758898][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.758898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.758898][ T73] ip6_route_add+0x1c/0x140 [ 4037.758898][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4037.758898][ T73] addrconf_add_dev+0xe2/0x170 [ 4037.758898][ T73] inet6_addr_add+0x12f/0xa40 [ 4037.758898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.758898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.758898][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.758898][ T73] netlink_unicast+0x449/0x710 [ 4037.758898][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.758898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.758898][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.758898][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.758898][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.758898][ T73] [ 4037.760880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.760880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4037.760880][ T73] ipv6_find_idev+0x102/0x170 [ 4037.760880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.760880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.760880][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.760880][ T73] netlink_unicast+0x449/0x710 [ 4037.760880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.760880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.760880][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.760880][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.760880][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.760880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.760880][ T73] [ 4037.762451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4037.762451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4037.762451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4037.762451][ T73] ipv6_find_idev+0x102/0x170 [ 4037.762451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.762451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.762451][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.762451][ T73] netlink_unicast+0x449/0x710 [ 4037.762451][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.762451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.762451][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.762451][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.762451][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.762451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.762451][ T73] [ 4037.764154][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4037.764428][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.764428][ T73] dst_init+0x84/0x4a0 [ 4037.764428][ T73] dst_alloc+0x97/0x150 [ 4037.764428][ T73] ip6_dst_alloc+0x23/0x90 [ 4037.764428][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4037.764428][ T73] ip6_pol_route+0x56f/0x840 [ 4037.764428][ T73] fib6_rule_lookup+0x456/0x630 [ 4037.764428][ T73] ip6_route_input+0x59c/0xa50 [ 4037.764428][ T73] ipv6_rcv+0x397/0x810 [ 4037.764428][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4037.764428][ T73] process_backlog+0x101/0x620 [ 4037.764428][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4037.764428][ T73] net_rx_action+0x495/0xbe0 [ 4037.764428][ T73] __do_softirq+0x1b5/0x7f6 [ 4037.764428][ T73] [ 4037.766080][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.766080][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.766080][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.766080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.766080][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4037.766080][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4037.766080][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4037.766080][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4037.766080][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4037.766080][ T73] addrconf_dad_begin+0x310/0x670 [ 4037.766080][ T73] addrconf_dad_work+0x10b/0xab0 [ 4037.766080][ T73] process_one_work+0x84d/0x18a0 [ 4037.766080][ T73] worker_thread+0x587/0xd30 [ 4037.766080][ T73] kthread+0x28a/0x350 [ 4037.766080][ T73] ret_from_fork+0x31/0x70 [ 4037.766080][ T73] ret_from_fork_asm+0x1a/0x30 [ 4037.766080][ T73] [ 4037.768011][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.768011][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.768011][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.768011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.768011][ T73] ip6_route_add+0x1c/0x140 [ 4037.768011][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4037.768011][ T73] inet6_addr_add+0x4f8/0xa40 [ 4037.768011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.768011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.768011][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.768011][ T73] netlink_unicast+0x449/0x710 [ 4037.768011][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.768011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.768011][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.768011][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.768011][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.768011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.768011][ T73] [ 4037.770020][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.770020][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.770020][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.770020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.770020][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4037.770020][ T73] ipv6_add_addr+0x411/0x2000 [ 4037.770020][ T73] inet6_addr_add+0x30e/0xa40 [ 4037.770020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.770020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.770020][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.770020][ T73] netlink_unicast+0x449/0x710 [ 4037.770020][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.770020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.770020][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.770020][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.770020][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.770020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.770020][ T73] [ 4037.772028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.772028][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.772028][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.772028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.772028][ T73] ip6_route_add+0x1c/0x140 [ 4037.772028][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4037.772028][ T73] addrconf_add_dev+0xe2/0x170 [ 4037.772028][ T73] inet6_addr_add+0x12f/0xa40 [ 4037.772028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.772028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.772028][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.772028][ T73] netlink_unicast+0x449/0x710 [ 4037.772028][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.772028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.772028][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.772028][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.772028][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.772028][ T73] [ 4037.773994][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.773994][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4037.773994][ T73] ipv6_find_idev+0x102/0x170 [ 4037.773994][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.773994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.773994][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.773994][ T73] netlink_unicast+0x449/0x710 [ 4037.773994][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.773994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.773994][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.773994][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.773994][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.773994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.773994][ T73] [ 4037.775535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4037.775535][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4037.775535][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4037.775535][ T73] ipv6_find_idev+0x102/0x170 [ 4037.775535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.775535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.775535][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.775535][ T73] netlink_unicast+0x449/0x710 [ 4037.775535][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.775535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.775535][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.775535][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.775535][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.775535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.775535][ T73] [ 4037.777360][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4037.777630][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.777630][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4037.777630][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4037.777630][ T73] fib6_nh_init+0xa22/0x1580 [ 4037.777630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.777630][ T73] ip6_route_add+0x1c/0x140 [ 4037.777630][ T73] inet6_rtm_newroute+0x104/0x110 [ 4037.777630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.777630][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.777630][ T73] netlink_unicast+0x449/0x710 [ 4037.777630][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.777630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.777630][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.777630][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.777630][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.777630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.777630][ T73] [ 4037.779820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.779820][ T73] dst_init+0x84/0x4a0 [ 4037.779820][ T73] dst_alloc+0x97/0x150 [ 4037.779820][ T73] ip6_dst_alloc+0x23/0x90 [ 4037.779820][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4037.779820][ T73] ip6_pol_route+0x56f/0x840 [ 4037.779820][ T73] fib6_rule_lookup+0x456/0x630 [ 4037.779820][ T73] ip6_route_input+0x59c/0xa50 [ 4037.779820][ T73] ipv6_rcv+0x397/0x810 [ 4037.779820][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4037.779820][ T73] process_backlog+0x101/0x620 [ 4037.779820][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4037.779820][ T73] net_rx_action+0x495/0xbe0 [ 4037.779820][ T73] __do_softirq+0x1b5/0x7f6 [ 4037.779820][ T73] [ 4037.781644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.781644][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.781644][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.781644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.781644][ T73] ip6_route_add+0x1c/0x140 [ 4037.781644][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4037.781644][ T73] inet6_addr_add+0x4f8/0xa40 [ 4037.781644][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.781644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.781644][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.781644][ T73] netlink_unicast+0x449/0x710 [ 4037.781644][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.781644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.781644][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.781644][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.781644][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.781644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.781644][ T73] [ 4037.783897][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.783897][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.783897][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.783897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.783897][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4037.783897][ T73] ipv6_add_addr+0x411/0x2000 [ 4037.783897][ T73] inet6_addr_add+0x30e/0xa40 [ 4037.783897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.783897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.783897][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.783897][ T73] netlink_unicast+0x449/0x710 [ 4037.783897][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.783897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.783897][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.783897][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.783897][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.783897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.783897][ T73] [ 4037.786155][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.786155][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.786155][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.786155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.786155][ T73] ip6_route_add+0x1c/0x140 [ 4037.786155][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4037.786155][ T73] addrconf_add_dev+0xe2/0x170 [ 4037.786155][ T73] inet6_addr_add+0x12f/0xa40 [ 4037.786155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.786155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.786155][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.786155][ T73] netlink_unicast+0x449/0x710 [ 4037.786155][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.786155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.786155][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.786155][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.786155][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.786155][ T73] [ 4037.788379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.788379][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4037.788379][ T73] ipv6_find_idev+0x102/0x170 [ 4037.788379][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.788379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.788379][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.788379][ T73] netlink_unicast+0x449/0x710 [ 4037.788379][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.788379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.788379][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.788379][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.788379][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.788379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.788379][ T73] [ 4037.790109][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4037.790109][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4037.790109][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4037.790109][ T73] ipv6_find_idev+0x102/0x170 [ 4037.790109][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.790109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.790109][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.790109][ T73] netlink_unicast+0x449/0x710 [ 4037.790109][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.790109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.790109][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.790109][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.790109][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.790109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.790109][ T73] [ 4037.792055][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4037.792328][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4037.792328][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.792328][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.792328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.792328][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4037.792328][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4037.792328][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4037.792328][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4037.792328][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4037.792328][ T73] addrconf_dad_begin+0x310/0x670 [ 4037.792328][ T73] addrconf_dad_work+0x10b/0xab0 [ 4037.792328][ T73] process_one_work+0x84d/0x18a0 [ 4037.792328][ T73] worker_thread+0x587/0xd30 [ 4037.792328][ T73] kthread+0x28a/0x350 [ 4037.792328][ T73] ret_from_fork+0x31/0x70 [ 4037.792328][ T73] ret_from_fork_asm+0x1a/0x30 [ 4037.792328][ T73] [ 4037.794491][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4037.794491][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.794491][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.794491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.794491][ T73] ip6_route_add+0x1c/0x140 [ 4037.794491][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4037.794491][ T73] inet6_addr_add+0x4f8/0xa40 [ 4037.794491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.794491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.794491][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.794491][ T73] netlink_unicast+0x449/0x710 [ 4037.794491][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.794491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.794491][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.794491][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.794491][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.794491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.794491][ T73] [ 4037.796682][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4037.796682][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.796682][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.796682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.796682][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4037.796682][ T73] ipv6_add_addr+0x411/0x2000 [ 4037.796682][ T73] inet6_addr_add+0x30e/0xa40 [ 4037.796682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.796682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.796682][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.796682][ T73] netlink_unicast+0x449/0x710 [ 4037.796682][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.796682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.796682][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.796682][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.796682][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.796682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.796682][ T73] [ 4037.799008][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4037.799008][ T73] netdev_get_by_index+0x5e/0x80 [ 4037.799008][ T73] fib6_nh_init+0x3d8/0x1580 [ 4037.799008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4037.799008][ T73] ip6_route_add+0x1c/0x140 [ 4037.799008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4037.799008][ T73] addrconf_add_dev+0xe2/0x170 [ 4037.799008][ T73] inet6_addr_add+0x12f/0xa40 [ 4037.799008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4037.799008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.799008][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.799008][ T73] netlink_unicast+0x449/0x710 [ 4037.799008][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.799008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.799008][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.799008][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.799008][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.799008][ T73] [ 4037.801222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4037.801222][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4037.801222][ T73] ipv6_find_idev+0x102/0x170 [ 4037.801222][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.801222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.801222][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.801222][ T73] netlink_unicast+0x449/0x710 [ 4037.801222][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.801222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.801222][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.801222][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.801222][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.801222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.801222][ T73] [ 4037.802957][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4037.802957][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4037.802957][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4037.802957][ T73] ipv6_find_idev+0x102/0x170 [ 4037.802957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4037.802957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4037.802957][ T73] netlink_rcv_skb+0x130/0x360 [ 4037.802957][ T73] netlink_unicast+0x449/0x710 [ 4037.802957][ T73] netlink_sendmsg+0x723/0xbe0 [ 4037.802957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4037.802957][ T73] ___sys_sendmsg+0xee/0x170 [ 4037.802957][ T73] __sys_sendmsg+0xcd/0x170 [ 4037.802957][ T73] do_syscall_64+0xc6/0x1e0 [ 4037.802957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4037.802957][ T73] [ 4048.046854][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4048.047230][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.047230][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4048.047230][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4048.047230][ T73] fib6_nh_init+0xa22/0x1580 [ 4048.047230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.047230][ T73] ip6_route_add+0x1c/0x140 [ 4048.047230][ T73] inet6_rtm_newroute+0x104/0x110 [ 4048.047230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.047230][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.047230][ T73] netlink_unicast+0x449/0x710 [ 4048.047230][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.047230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.047230][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.047230][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.047230][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.047230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.047230][ T73] [ 4048.049108][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.049108][ T73] dst_init+0x84/0x4a0 [ 4048.049108][ T73] dst_alloc+0x97/0x150 [ 4048.049108][ T73] ip6_dst_alloc+0x23/0x90 [ 4048.049108][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4048.049108][ T73] ip6_pol_route+0x56f/0x840 [ 4048.049108][ T73] fib6_rule_lookup+0x456/0x630 [ 4048.049108][ T73] ip6_route_input+0x59c/0xa50 [ 4048.049108][ T73] ipv6_rcv+0x397/0x810 [ 4048.049108][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4048.049108][ T73] process_backlog+0x101/0x620 [ 4048.049108][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4048.049108][ T73] net_rx_action+0x495/0xbe0 [ 4048.049108][ T73] __do_softirq+0x1b5/0x7f6 [ 4048.049108][ T73] [ 4048.050744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.050744][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.050744][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.050744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.050744][ T73] ip6_route_add+0x1c/0x140 [ 4048.050744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4048.050744][ T73] inet6_addr_add+0x4f8/0xa40 [ 4048.050744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.050744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.050744][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.050744][ T73] netlink_unicast+0x449/0x710 [ 4048.050744][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.050744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.050744][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.050744][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.050744][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.050744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.050744][ T73] [ 4048.052734][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.052734][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.052734][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.052734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.052734][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4048.052734][ T73] ipv6_add_addr+0x411/0x2000 [ 4048.052734][ T73] inet6_addr_add+0x30e/0xa40 [ 4048.052734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.052734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.052734][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.052734][ T73] netlink_unicast+0x449/0x710 [ 4048.052734][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.052734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.052734][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.052734][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.052734][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.052734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.052734][ T73] [ 4048.054722][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.054722][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.054722][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.054722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.054722][ T73] ip6_route_add+0x1c/0x140 [ 4048.054722][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.054722][ T73] addrconf_add_dev+0xe2/0x170 [ 4048.054722][ T73] inet6_addr_add+0x12f/0xa40 [ 4048.054722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.054722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.054722][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.054722][ T73] netlink_unicast+0x449/0x710 [ 4048.054722][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.054722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.054722][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.054722][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.054722][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.054722][ T73] [ 4048.056675][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.056675][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4048.056675][ T73] ipv6_find_idev+0x102/0x170 [ 4048.056675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.056675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.056675][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.056675][ T73] netlink_unicast+0x449/0x710 [ 4048.056675][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.056675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.056675][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.056675][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.056675][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.056675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.056675][ T73] [ 4048.058211][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4048.058211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4048.058211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4048.058211][ T73] ipv6_find_idev+0x102/0x170 [ 4048.058211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.058211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.058211][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.058211][ T73] netlink_unicast+0x449/0x710 [ 4048.058211][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.058211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.058211][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.058211][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.058211][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.058211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.058211][ T73] [ 4048.059891][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4048.060159][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.060159][ T73] dst_init+0x84/0x4a0 [ 4048.060159][ T73] dst_alloc+0x97/0x150 [ 4048.060159][ T73] ip6_dst_alloc+0x23/0x90 [ 4048.060159][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4048.060159][ T73] ip6_pol_route+0x56f/0x840 [ 4048.060159][ T73] fib6_rule_lookup+0x456/0x630 [ 4048.060159][ T73] ip6_route_input+0x59c/0xa50 [ 4048.060159][ T73] ipv6_rcv+0x397/0x810 [ 4048.060159][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4048.060159][ T73] process_backlog+0x101/0x620 [ 4048.060159][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4048.060159][ T73] net_rx_action+0x495/0xbe0 [ 4048.060159][ T73] __do_softirq+0x1b5/0x7f6 [ 4048.060159][ T73] [ 4048.061807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.061807][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.061807][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.061807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.061807][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4048.061807][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.061807][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4048.061807][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.061807][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4048.061807][ T73] addrconf_dad_begin+0x310/0x670 [ 4048.061807][ T73] addrconf_dad_work+0x10b/0xab0 [ 4048.061807][ T73] process_one_work+0x84d/0x18a0 [ 4048.061807][ T73] worker_thread+0x587/0xd30 [ 4048.061807][ T73] kthread+0x28a/0x350 [ 4048.061807][ T73] ret_from_fork+0x31/0x70 [ 4048.061807][ T73] ret_from_fork_asm+0x1a/0x30 [ 4048.061807][ T73] [ 4048.063742][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.063742][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.063742][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.063742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.063742][ T73] ip6_route_add+0x1c/0x140 [ 4048.063742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4048.063742][ T73] inet6_addr_add+0x4f8/0xa40 [ 4048.063742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.063742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.063742][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.063742][ T73] netlink_unicast+0x449/0x710 [ 4048.063742][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.063742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.063742][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.063742][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.063742][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.063742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.063742][ T73] [ 4048.065726][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.065726][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.065726][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.065726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.065726][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4048.065726][ T73] ipv6_add_addr+0x411/0x2000 [ 4048.065726][ T73] inet6_addr_add+0x30e/0xa40 [ 4048.065726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.065726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.065726][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.065726][ T73] netlink_unicast+0x449/0x710 [ 4048.065726][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.065726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.065726][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.065726][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.065726][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.065726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.065726][ T73] [ 4048.067708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.067708][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.067708][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.067708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.067708][ T73] ip6_route_add+0x1c/0x140 [ 4048.067708][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.067708][ T73] addrconf_add_dev+0xe2/0x170 [ 4048.067708][ T73] inet6_addr_add+0x12f/0xa40 [ 4048.067708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.067708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.067708][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.067708][ T73] netlink_unicast+0x449/0x710 [ 4048.067708][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.067708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.067708][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.067708][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.067708][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.067708][ T73] [ 4048.069654][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.069654][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4048.069654][ T73] ipv6_find_idev+0x102/0x170 [ 4048.069654][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.069654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.069654][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.069654][ T73] netlink_unicast+0x449/0x710 [ 4048.069654][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.069654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.069654][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.069654][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.069654][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.069654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.069654][ T73] [ 4048.071185][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4048.071185][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4048.071185][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4048.071185][ T73] ipv6_find_idev+0x102/0x170 [ 4048.071185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.071185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.071185][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.071185][ T73] netlink_unicast+0x449/0x710 [ 4048.071185][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.071185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.071185][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.071185][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.071185][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.071185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.071185][ T73] [ 4048.072979][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4048.073247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.073247][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4048.073247][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4048.073247][ T73] fib6_nh_init+0xa22/0x1580 [ 4048.073247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.073247][ T73] ip6_route_add+0x1c/0x140 [ 4048.073247][ T73] inet6_rtm_newroute+0x104/0x110 [ 4048.073247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.073247][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.073247][ T73] netlink_unicast+0x449/0x710 [ 4048.073247][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.073247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.073247][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.073247][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.073247][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.073247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.073247][ T73] [ 4048.075414][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.075414][ T73] dst_init+0x84/0x4a0 [ 4048.075414][ T73] dst_alloc+0x97/0x150 [ 4048.075414][ T73] ip6_dst_alloc+0x23/0x90 [ 4048.075414][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4048.075414][ T73] ip6_pol_route+0x56f/0x840 [ 4048.075414][ T73] fib6_rule_lookup+0x456/0x630 [ 4048.075414][ T73] ip6_route_input+0x59c/0xa50 [ 4048.075414][ T73] ipv6_rcv+0x397/0x810 [ 4048.075414][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4048.075414][ T73] process_backlog+0x101/0x620 [ 4048.075414][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4048.075414][ T73] net_rx_action+0x495/0xbe0 [ 4048.075414][ T73] __do_softirq+0x1b5/0x7f6 [ 4048.075414][ T73] [ 4048.077220][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.077220][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.077220][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.077220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.077220][ T73] ip6_route_add+0x1c/0x140 [ 4048.077220][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4048.077220][ T73] inet6_addr_add+0x4f8/0xa40 [ 4048.077220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.077220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.077220][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.077220][ T73] netlink_unicast+0x449/0x710 [ 4048.077220][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.077220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.077220][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.077220][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.077220][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.077220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.077220][ T73] [ 4048.079430][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.079430][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.079430][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.079430][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.079430][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4048.079430][ T73] ipv6_add_addr+0x411/0x2000 [ 4048.079430][ T73] inet6_addr_add+0x30e/0xa40 [ 4048.079430][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.079430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.079430][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.079430][ T73] netlink_unicast+0x449/0x710 [ 4048.079430][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.079430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.079430][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.079430][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.079430][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.079430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.079430][ T73] [ 4048.081584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.081584][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.081584][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.081584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.081584][ T73] ip6_route_add+0x1c/0x140 [ 4048.081584][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.081584][ T73] addrconf_add_dev+0xe2/0x170 [ 4048.081584][ T73] inet6_addr_add+0x12f/0xa40 [ 4048.081584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.081584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.081584][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.081584][ T73] netlink_unicast+0x449/0x710 [ 4048.081584][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.081584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.081584][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.081584][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.081584][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.081584][ T73] [ 4048.083836][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.083836][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4048.083836][ T73] ipv6_find_idev+0x102/0x170 [ 4048.083836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.083836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.083836][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.083836][ T73] netlink_unicast+0x449/0x710 [ 4048.083836][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.083836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.083836][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.083836][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.083836][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.083836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.083836][ T73] [ 4048.085549][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4048.085549][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4048.085549][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4048.085549][ T73] ipv6_find_idev+0x102/0x170 [ 4048.085549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.085549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.085549][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.085549][ T73] netlink_unicast+0x449/0x710 [ 4048.085549][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.085549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.085549][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.085549][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.085549][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.085549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.085549][ T73] [ 4048.087460][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4048.087730][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4048.087730][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.087730][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.087730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.087730][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4048.087730][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.087730][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4048.087730][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.087730][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4048.087730][ T73] addrconf_dad_begin+0x310/0x670 [ 4048.087730][ T73] addrconf_dad_work+0x10b/0xab0 [ 4048.087730][ T73] process_one_work+0x84d/0x18a0 [ 4048.087730][ T73] worker_thread+0x587/0xd30 [ 4048.087730][ T73] kthread+0x28a/0x350 [ 4048.087730][ T73] ret_from_fork+0x31/0x70 [ 4048.087730][ T73] ret_from_fork_asm+0x1a/0x30 [ 4048.087730][ T73] [ 4048.089867][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4048.089867][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.089867][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.089867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.089867][ T73] ip6_route_add+0x1c/0x140 [ 4048.089867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4048.089867][ T73] inet6_addr_add+0x4f8/0xa40 [ 4048.089867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.089867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.089867][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.089867][ T73] netlink_unicast+0x449/0x710 [ 4048.089867][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.089867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.089867][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.089867][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.089867][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.089867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.089867][ T73] [ 4048.092057][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4048.092057][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.092057][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.092057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.092057][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4048.092057][ T73] ipv6_add_addr+0x411/0x2000 [ 4048.092057][ T73] inet6_addr_add+0x30e/0xa40 [ 4048.092057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.092057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.092057][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.092057][ T73] netlink_unicast+0x449/0x710 [ 4048.092057][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.092057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.092057][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.092057][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.092057][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.092057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.092057][ T73] [ 4048.094341][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4048.094341][ T73] netdev_get_by_index+0x5e/0x80 [ 4048.094341][ T73] fib6_nh_init+0x3d8/0x1580 [ 4048.094341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4048.094341][ T73] ip6_route_add+0x1c/0x140 [ 4048.094341][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.094341][ T73] addrconf_add_dev+0xe2/0x170 [ 4048.094341][ T73] inet6_addr_add+0x12f/0xa40 [ 4048.094341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.094341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.094341][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.094341][ T73] netlink_unicast+0x449/0x710 [ 4048.094341][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.094341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.094341][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.094341][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.094341][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.094341][ T73] [ 4048.096529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4048.096529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4048.096529][ T73] ipv6_find_idev+0x102/0x170 [ 4048.096529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.096529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.096529][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.096529][ T73] netlink_unicast+0x449/0x710 [ 4048.096529][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.096529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.096529][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.096529][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.096529][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.096529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.096529][ T73] [ 4048.098245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4048.098245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4048.098245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4048.098245][ T73] ipv6_find_idev+0x102/0x170 [ 4048.098245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.098245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.098245][ T73] netlink_rcv_skb+0x130/0x360 [ 4048.098245][ T73] netlink_unicast+0x449/0x710 [ 4048.098245][ T73] netlink_sendmsg+0x723/0xbe0 [ 4048.098245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4048.098245][ T73] ___sys_sendmsg+0xee/0x170 [ 4048.098245][ T73] __sys_sendmsg+0xcd/0x170 [ 4048.098245][ T73] do_syscall_64+0xc6/0x1e0 [ 4048.098245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.098245][ T73] [ 4058.166923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4058.167366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.167366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4058.167366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4058.167366][ T73] fib6_nh_init+0xa22/0x1580 [ 4058.167366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.167366][ T73] ip6_route_add+0x1c/0x140 [ 4058.167366][ T73] inet6_rtm_newroute+0x104/0x110 [ 4058.167366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.167366][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.167366][ T73] netlink_unicast+0x449/0x710 [ 4058.167366][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.167366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.167366][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.167366][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.167366][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.167366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.167366][ T73] [ 4058.169422][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.169422][ T73] dst_init+0x84/0x4a0 [ 4058.169422][ T73] dst_alloc+0x97/0x150 [ 4058.169422][ T73] ip6_dst_alloc+0x23/0x90 [ 4058.169422][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4058.169422][ T73] ip6_pol_route+0x56f/0x840 [ 4058.169422][ T73] fib6_rule_lookup+0x456/0x630 [ 4058.169422][ T73] ip6_route_input+0x59c/0xa50 [ 4058.169422][ T73] ipv6_rcv+0x397/0x810 [ 4058.169422][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4058.169422][ T73] process_backlog+0x101/0x620 [ 4058.169422][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4058.169422][ T73] net_rx_action+0x495/0xbe0 [ 4058.169422][ T73] __do_softirq+0x1b5/0x7f6 [ 4058.169422][ T73] [ 4058.171145][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.171145][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.171145][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.171145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.171145][ T73] ip6_route_add+0x1c/0x140 [ 4058.171145][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4058.171145][ T73] inet6_addr_add+0x4f8/0xa40 [ 4058.171145][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.171145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.171145][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.171145][ T73] netlink_unicast+0x449/0x710 [ 4058.171145][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.171145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.171145][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.171145][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.171145][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.171145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.171145][ T73] [ 4058.173141][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.173141][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.173141][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.173141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.173141][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4058.173141][ T73] ipv6_add_addr+0x411/0x2000 [ 4058.173141][ T73] inet6_addr_add+0x30e/0xa40 [ 4058.173141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.173141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.173141][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.173141][ T73] netlink_unicast+0x449/0x710 [ 4058.173141][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.173141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.173141][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.173141][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.173141][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.173141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.173141][ T73] [ 4058.175168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.175168][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.175168][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.175168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.175168][ T73] ip6_route_add+0x1c/0x140 [ 4058.175168][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.175168][ T73] addrconf_add_dev+0xe2/0x170 [ 4058.175168][ T73] inet6_addr_add+0x12f/0xa40 [ 4058.175168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.175168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.175168][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.175168][ T73] netlink_unicast+0x449/0x710 [ 4058.175168][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.175168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.175168][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.175168][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.175168][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.175168][ T73] [ 4058.177130][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.177130][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4058.177130][ T73] ipv6_find_idev+0x102/0x170 [ 4058.177130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.177130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.177130][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.177130][ T73] netlink_unicast+0x449/0x710 [ 4058.177130][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.177130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.177130][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.177130][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.177130][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.177130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.177130][ T73] [ 4058.178734][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4058.178734][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4058.178734][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4058.178734][ T73] ipv6_find_idev+0x102/0x170 [ 4058.178734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.178734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.178734][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.178734][ T73] netlink_unicast+0x449/0x710 [ 4058.178734][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.178734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.178734][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.178734][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.178734][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.178734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.178734][ T73] [ 4058.180423][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4058.180690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.180690][ T73] dst_init+0x84/0x4a0 [ 4058.180690][ T73] dst_alloc+0x97/0x150 [ 4058.180690][ T73] ip6_dst_alloc+0x23/0x90 [ 4058.180690][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4058.180690][ T73] ip6_pol_route+0x56f/0x840 [ 4058.180690][ T73] fib6_rule_lookup+0x456/0x630 [ 4058.180690][ T73] ip6_route_input+0x59c/0xa50 [ 4058.180690][ T73] ipv6_rcv+0x397/0x810 [ 4058.180690][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4058.180690][ T73] process_backlog+0x101/0x620 [ 4058.180690][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4058.180690][ T73] net_rx_action+0x495/0xbe0 [ 4058.180690][ T73] __do_softirq+0x1b5/0x7f6 [ 4058.180690][ T73] [ 4058.182324][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.182324][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.182324][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.182324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.182324][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4058.182324][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.182324][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4058.182324][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.182324][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4058.182324][ T73] addrconf_dad_begin+0x310/0x670 [ 4058.182324][ T73] addrconf_dad_work+0x10b/0xab0 [ 4058.182324][ T73] process_one_work+0x84d/0x18a0 [ 4058.182324][ T73] worker_thread+0x587/0xd30 [ 4058.182324][ T73] kthread+0x28a/0x350 [ 4058.182324][ T73] ret_from_fork+0x31/0x70 [ 4058.182324][ T73] ret_from_fork_asm+0x1a/0x30 [ 4058.182324][ T73] [ 4058.184224][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.184224][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.184224][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.184224][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.184224][ T73] ip6_route_add+0x1c/0x140 [ 4058.184224][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4058.184224][ T73] inet6_addr_add+0x4f8/0xa40 [ 4058.184224][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.184224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.184224][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.184224][ T73] netlink_unicast+0x449/0x710 [ 4058.184224][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.184224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.184224][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.184224][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.184224][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.184224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.184224][ T73] [ 4058.186207][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.186207][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.186207][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.186207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.186207][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4058.186207][ T73] ipv6_add_addr+0x411/0x2000 [ 4058.186207][ T73] inet6_addr_add+0x30e/0xa40 [ 4058.186207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.186207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.186207][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.186207][ T73] netlink_unicast+0x449/0x710 [ 4058.186207][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.186207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.186207][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.186207][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.186207][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.186207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.186207][ T73] [ 4058.188201][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.188201][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.188201][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.188201][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.188201][ T73] ip6_route_add+0x1c/0x140 [ 4058.188201][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.188201][ T73] addrconf_add_dev+0xe2/0x170 [ 4058.188201][ T73] inet6_addr_add+0x12f/0xa40 [ 4058.188201][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.188201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.188201][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.188201][ T73] netlink_unicast+0x449/0x710 [ 4058.188201][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.188201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.188201][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.188201][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.188201][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.188201][ T73] [ 4058.190151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.190151][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4058.190151][ T73] ipv6_find_idev+0x102/0x170 [ 4058.190151][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.190151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.190151][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.190151][ T73] netlink_unicast+0x449/0x710 [ 4058.190151][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.190151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.190151][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.190151][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.190151][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.190151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.190151][ T73] [ 4058.191675][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4058.191675][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4058.191675][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4058.191675][ T73] ipv6_find_idev+0x102/0x170 [ 4058.191675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.191675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.191675][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.191675][ T73] netlink_unicast+0x449/0x710 [ 4058.191675][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.191675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.191675][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.191675][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.191675][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.191675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.191675][ T73] [ 4058.193474][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4058.193744][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.193744][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4058.193744][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4058.193744][ T73] fib6_nh_init+0xa22/0x1580 [ 4058.193744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.193744][ T73] ip6_route_add+0x1c/0x140 [ 4058.193744][ T73] inet6_rtm_newroute+0x104/0x110 [ 4058.193744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.193744][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.193744][ T73] netlink_unicast+0x449/0x710 [ 4058.193744][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.193744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.193744][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.193744][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.193744][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.193744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.193744][ T73] [ 4058.195914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.195914][ T73] dst_init+0x84/0x4a0 [ 4058.195914][ T73] dst_alloc+0x97/0x150 [ 4058.195914][ T73] ip6_dst_alloc+0x23/0x90 [ 4058.195914][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4058.195914][ T73] ip6_pol_route+0x56f/0x840 [ 4058.195914][ T73] fib6_rule_lookup+0x456/0x630 [ 4058.195914][ T73] ip6_route_input+0x59c/0xa50 [ 4058.195914][ T73] ipv6_rcv+0x397/0x810 [ 4058.195914][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4058.195914][ T73] process_backlog+0x101/0x620 [ 4058.195914][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4058.195914][ T73] net_rx_action+0x495/0xbe0 [ 4058.195914][ T73] __do_softirq+0x1b5/0x7f6 [ 4058.195914][ T73] [ 4058.197712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.197712][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.197712][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.197712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.197712][ T73] ip6_route_add+0x1c/0x140 [ 4058.197712][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4058.197712][ T73] inet6_addr_add+0x4f8/0xa40 [ 4058.197712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.197712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.197712][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.197712][ T73] netlink_unicast+0x449/0x710 [ 4058.197712][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.197712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.197712][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.197712][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.197712][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.197712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.197712][ T73] [ 4058.199937][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.199937][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.199937][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.199937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.199937][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4058.199937][ T73] ipv6_add_addr+0x411/0x2000 [ 4058.199937][ T73] inet6_addr_add+0x30e/0xa40 [ 4058.199937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.199937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.199937][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.199937][ T73] netlink_unicast+0x449/0x710 [ 4058.199937][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.199937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.199937][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.199937][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.199937][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.199937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.199937][ T73] [ 4058.202101][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.202101][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.202101][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.202101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.202101][ T73] ip6_route_add+0x1c/0x140 [ 4058.202101][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.202101][ T73] addrconf_add_dev+0xe2/0x170 [ 4058.202101][ T73] inet6_addr_add+0x12f/0xa40 [ 4058.202101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.202101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.202101][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.202101][ T73] netlink_unicast+0x449/0x710 [ 4058.202101][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.202101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.202101][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.202101][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.202101][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.202101][ T73] [ 4058.204358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.204358][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4058.204358][ T73] ipv6_find_idev+0x102/0x170 [ 4058.204358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.204358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.204358][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.204358][ T73] netlink_unicast+0x449/0x710 [ 4058.204358][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.204358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.204358][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.204358][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.204358][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.204358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.204358][ T73] [ 4058.206059][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4058.206059][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4058.206059][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4058.206059][ T73] ipv6_find_idev+0x102/0x170 [ 4058.206059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.206059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.206059][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.206059][ T73] netlink_unicast+0x449/0x710 [ 4058.206059][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.206059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.206059][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.206059][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.206059][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.206059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.206059][ T73] [ 4058.207963][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4058.208226][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4058.208226][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.208226][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.208226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.208226][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4058.208226][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.208226][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4058.208226][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.208226][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4058.208226][ T73] addrconf_dad_begin+0x310/0x670 [ 4058.208226][ T73] addrconf_dad_work+0x10b/0xab0 [ 4058.208226][ T73] process_one_work+0x84d/0x18a0 [ 4058.208226][ T73] worker_thread+0x587/0xd30 [ 4058.208226][ T73] kthread+0x28a/0x350 [ 4058.208226][ T73] ret_from_fork+0x31/0x70 [ 4058.208226][ T73] ret_from_fork_asm+0x1a/0x30 [ 4058.208226][ T73] [ 4058.210359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4058.210359][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.210359][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.210359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.210359][ T73] ip6_route_add+0x1c/0x140 [ 4058.210359][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4058.210359][ T73] inet6_addr_add+0x4f8/0xa40 [ 4058.210359][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.210359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.210359][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.210359][ T73] netlink_unicast+0x449/0x710 [ 4058.210359][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.210359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.210359][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.210359][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.210359][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.210359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.210359][ T73] [ 4058.212516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4058.212516][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.212516][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.212516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.212516][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4058.212516][ T73] ipv6_add_addr+0x411/0x2000 [ 4058.212516][ T73] inet6_addr_add+0x30e/0xa40 [ 4058.212516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.212516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.212516][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.212516][ T73] netlink_unicast+0x449/0x710 [ 4058.212516][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.212516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.212516][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.212516][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.212516][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.212516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.212516][ T73] [ 4058.214812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4058.214812][ T73] netdev_get_by_index+0x5e/0x80 [ 4058.214812][ T73] fib6_nh_init+0x3d8/0x1580 [ 4058.214812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4058.214812][ T73] ip6_route_add+0x1c/0x140 [ 4058.214812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.214812][ T73] addrconf_add_dev+0xe2/0x170 [ 4058.214812][ T73] inet6_addr_add+0x12f/0xa40 [ 4058.214812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.214812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.214812][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.214812][ T73] netlink_unicast+0x449/0x710 [ 4058.214812][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.214812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.214812][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.214812][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.214812][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.214812][ T73] [ 4058.216995][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4058.216995][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4058.216995][ T73] ipv6_find_idev+0x102/0x170 [ 4058.216995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.216995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.216995][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.216995][ T73] netlink_unicast+0x449/0x710 [ 4058.216995][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.216995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.216995][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.216995][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.216995][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.216995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.216995][ T73] [ 4058.218702][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4058.218702][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4058.218702][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4058.218702][ T73] ipv6_find_idev+0x102/0x170 [ 4058.218702][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.218702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.218702][ T73] netlink_rcv_skb+0x130/0x360 [ 4058.218702][ T73] netlink_unicast+0x449/0x710 [ 4058.218702][ T73] netlink_sendmsg+0x723/0xbe0 [ 4058.218702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4058.218702][ T73] ___sys_sendmsg+0xee/0x170 [ 4058.218702][ T73] __sys_sendmsg+0xcd/0x170 [ 4058.218702][ T73] do_syscall_64+0xc6/0x1e0 [ 4058.218702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.218702][ T73] [ 4068.238956][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4068.239364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.239364][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4068.239364][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4068.239364][ T73] fib6_nh_init+0xa22/0x1580 [ 4068.239364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.239364][ T73] ip6_route_add+0x1c/0x140 [ 4068.239364][ T73] inet6_rtm_newroute+0x104/0x110 [ 4068.239364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.239364][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.239364][ T73] netlink_unicast+0x449/0x710 [ 4068.239364][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.239364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.239364][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.239364][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.239364][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.239364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.239364][ T73] [ 4068.241266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.241266][ T73] dst_init+0x84/0x4a0 [ 4068.241266][ T73] dst_alloc+0x97/0x150 [ 4068.241266][ T73] ip6_dst_alloc+0x23/0x90 [ 4068.241266][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4068.241266][ T73] ip6_pol_route+0x56f/0x840 [ 4068.241266][ T73] fib6_rule_lookup+0x456/0x630 [ 4068.241266][ T73] ip6_route_input+0x59c/0xa50 [ 4068.241266][ T73] ipv6_rcv+0x397/0x810 [ 4068.241266][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4068.241266][ T73] process_backlog+0x101/0x620 [ 4068.241266][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4068.241266][ T73] net_rx_action+0x495/0xbe0 [ 4068.241266][ T73] __do_softirq+0x1b5/0x7f6 [ 4068.241266][ T73] [ 4068.242924][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.242924][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.242924][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.242924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.242924][ T73] ip6_route_add+0x1c/0x140 [ 4068.242924][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4068.242924][ T73] inet6_addr_add+0x4f8/0xa40 [ 4068.242924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.242924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.242924][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.242924][ T73] netlink_unicast+0x449/0x710 [ 4068.242924][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.242924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.242924][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.242924][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.242924][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.242924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.242924][ T73] [ 4068.244932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.244932][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.244932][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.244932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.244932][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4068.244932][ T73] ipv6_add_addr+0x411/0x2000 [ 4068.244932][ T73] inet6_addr_add+0x30e/0xa40 [ 4068.244932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.244932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.244932][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.244932][ T73] netlink_unicast+0x449/0x710 [ 4068.244932][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.244932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.244932][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.244932][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.244932][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.244932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.244932][ T73] [ 4068.246949][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.246949][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.246949][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.246949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.246949][ T73] ip6_route_add+0x1c/0x140 [ 4068.246949][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4068.246949][ T73] addrconf_add_dev+0xe2/0x170 [ 4068.246949][ T73] inet6_addr_add+0x12f/0xa40 [ 4068.246949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.246949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.246949][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.246949][ T73] netlink_unicast+0x449/0x710 [ 4068.246949][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.246949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.246949][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.246949][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.246949][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.246949][ T73] [ 4068.248945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.248945][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4068.248945][ T73] ipv6_find_idev+0x102/0x170 [ 4068.248945][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.248945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.248945][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.248945][ T73] netlink_unicast+0x449/0x710 [ 4068.248945][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.248945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.248945][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.248945][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.248945][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.248945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.248945][ T73] [ 4068.250493][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4068.250493][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4068.250493][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4068.250493][ T73] ipv6_find_idev+0x102/0x170 [ 4068.250493][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.250493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.250493][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.250493][ T73] netlink_unicast+0x449/0x710 [ 4068.250493][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.250493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.250493][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.250493][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.250493][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.250493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.250493][ T73] [ 4068.252224][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4068.252500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.252500][ T73] dst_init+0x84/0x4a0 [ 4068.252500][ T73] dst_alloc+0x97/0x150 [ 4068.252500][ T73] ip6_dst_alloc+0x23/0x90 [ 4068.252500][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4068.252500][ T73] ip6_pol_route+0x56f/0x840 [ 4068.252500][ T73] fib6_rule_lookup+0x456/0x630 [ 4068.252500][ T73] ip6_route_input+0x59c/0xa50 [ 4068.252500][ T73] ipv6_rcv+0x397/0x810 [ 4068.252500][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4068.252500][ T73] process_backlog+0x101/0x620 [ 4068.252500][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4068.252500][ T73] net_rx_action+0x495/0xbe0 [ 4068.252500][ T73] __do_softirq+0x1b5/0x7f6 [ 4068.252500][ T73] [ 4068.254147][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.254147][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.254147][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.254147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.254147][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4068.254147][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4068.254147][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4068.254147][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4068.254147][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4068.254147][ T73] addrconf_dad_begin+0x310/0x670 [ 4068.254147][ T73] addrconf_dad_work+0x10b/0xab0 [ 4068.254147][ T73] process_one_work+0x84d/0x18a0 [ 4068.254147][ T73] worker_thread+0x587/0xd30 [ 4068.254147][ T73] kthread+0x28a/0x350 [ 4068.254147][ T73] ret_from_fork+0x31/0x70 [ 4068.254147][ T73] ret_from_fork_asm+0x1a/0x30 [ 4068.254147][ T73] [ 4068.256086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.256086][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.256086][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.256086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.256086][ T73] ip6_route_add+0x1c/0x140 [ 4068.256086][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4068.256086][ T73] inet6_addr_add+0x4f8/0xa40 [ 4068.256086][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.256086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.256086][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.256086][ T73] netlink_unicast+0x449/0x710 [ 4068.256086][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.256086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.256086][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.256086][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.256086][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.256086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.256086][ T73] [ 4068.258097][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.258097][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.258097][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.258097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.258097][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4068.258097][ T73] ipv6_add_addr+0x411/0x2000 [ 4068.258097][ T73] inet6_addr_add+0x30e/0xa40 [ 4068.258097][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.258097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.258097][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.258097][ T73] netlink_unicast+0x449/0x710 [ 4068.258097][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.258097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.258097][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.258097][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.258097][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.258097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.258097][ T73] [ 4068.260112][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.260112][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.260112][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.260112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.260112][ T73] ip6_route_add+0x1c/0x140 [ 4068.260112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4068.260112][ T73] addrconf_add_dev+0xe2/0x170 [ 4068.260112][ T73] inet6_addr_add+0x12f/0xa40 [ 4068.260112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.260112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.260112][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.260112][ T73] netlink_unicast+0x449/0x710 [ 4068.260112][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.260112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.260112][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.260112][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.260112][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.260112][ T73] [ 4068.262104][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.262104][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4068.262104][ T73] ipv6_find_idev+0x102/0x170 [ 4068.262104][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.262104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.262104][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.262104][ T73] netlink_unicast+0x449/0x710 [ 4068.262104][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.262104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.262104][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.262104][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.262104][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.262104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.262104][ T73] [ 4068.263650][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4068.263650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4068.263650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4068.263650][ T73] ipv6_find_idev+0x102/0x170 [ 4068.263650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.263650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.263650][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.263650][ T73] netlink_unicast+0x449/0x710 [ 4068.263650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.263650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.263650][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.263650][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.263650][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.263650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.263650][ T73] [ 4068.265482][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4068.265754][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.265754][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4068.265754][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4068.265754][ T73] fib6_nh_init+0xa22/0x1580 [ 4068.265754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.265754][ T73] ip6_route_add+0x1c/0x140 [ 4068.265754][ T73] inet6_rtm_newroute+0x104/0x110 [ 4068.265754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.265754][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.265754][ T73] netlink_unicast+0x449/0x710 [ 4068.265754][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.265754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.265754][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.265754][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.265754][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.265754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.265754][ T73] [ 4068.267940][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.267940][ T73] dst_init+0x84/0x4a0 [ 4068.267940][ T73] dst_alloc+0x97/0x150 [ 4068.267940][ T73] ip6_dst_alloc+0x23/0x90 [ 4068.267940][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4068.267940][ T73] ip6_pol_route+0x56f/0x840 [ 4068.267940][ T73] fib6_rule_lookup+0x456/0x630 [ 4068.267940][ T73] ip6_route_input+0x59c/0xa50 [ 4068.267940][ T73] ipv6_rcv+0x397/0x810 [ 4068.267940][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4068.267940][ T73] process_backlog+0x101/0x620 [ 4068.267940][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4068.267940][ T73] net_rx_action+0x495/0xbe0 [ 4068.267940][ T73] __do_softirq+0x1b5/0x7f6 [ 4068.267940][ T73] [ 4068.269767][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.269767][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.269767][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.269767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.269767][ T73] ip6_route_add+0x1c/0x140 [ 4068.269767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4068.269767][ T73] inet6_addr_add+0x4f8/0xa40 [ 4068.269767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.269767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.269767][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.269767][ T73] netlink_unicast+0x449/0x710 [ 4068.269767][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.269767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.269767][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.269767][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.269767][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.269767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.269767][ T73] [ 4068.272209][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.272209][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.272209][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.272209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.272209][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4068.272209][ T73] ipv6_add_addr+0x411/0x2000 [ 4068.272209][ T73] inet6_addr_add+0x30e/0xa40 [ 4068.272209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.272209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.272209][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.272209][ T73] netlink_unicast+0x449/0x710 [ 4068.272209][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.272209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.272209][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.272209][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.272209][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.272209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.272209][ T73] [ 4068.274626][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.274626][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.274626][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.274626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.274626][ T73] ip6_route_add+0x1c/0x140 [ 4068.274626][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4068.274626][ T73] addrconf_add_dev+0xe2/0x170 [ 4068.274626][ T73] inet6_addr_add+0x12f/0xa40 [ 4068.274626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.274626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.274626][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.274626][ T73] netlink_unicast+0x449/0x710 [ 4068.274626][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.274626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.274626][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.274626][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.274626][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.274626][ T73] [ 4068.276843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.276843][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4068.276843][ T73] ipv6_find_idev+0x102/0x170 [ 4068.276843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.276843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.276843][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.276843][ T73] netlink_unicast+0x449/0x710 [ 4068.276843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.276843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.276843][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.276843][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.276843][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.276843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.276843][ T73] [ 4068.278578][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4068.278578][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4068.278578][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4068.278578][ T73] ipv6_find_idev+0x102/0x170 [ 4068.278578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.278578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.278578][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.278578][ T73] netlink_unicast+0x449/0x710 [ 4068.278578][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.278578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.278578][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.278578][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.278578][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.278578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.278578][ T73] [ 4068.280503][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4068.280785][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4068.280785][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.280785][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.280785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.280785][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4068.280785][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4068.280785][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4068.280785][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4068.280785][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4068.280785][ T73] addrconf_dad_begin+0x310/0x670 [ 4068.280785][ T73] addrconf_dad_work+0x10b/0xab0 [ 4068.280785][ T73] process_one_work+0x84d/0x18a0 [ 4068.280785][ T73] worker_thread+0x587/0xd30 [ 4068.280785][ T73] kthread+0x28a/0x350 [ 4068.280785][ T73] ret_from_fork+0x31/0x70 [ 4068.280785][ T73] ret_from_fork_asm+0x1a/0x30 [ 4068.280785][ T73] [ 4068.282965][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4068.282965][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.282965][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.282965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.282965][ T73] ip6_route_add+0x1c/0x140 [ 4068.282965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4068.282965][ T73] inet6_addr_add+0x4f8/0xa40 [ 4068.282965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.282965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.282965][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.282965][ T73] netlink_unicast+0x449/0x710 [ 4068.282965][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.282965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.282965][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.282965][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.282965][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.282965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.282965][ T73] [ 4068.285156][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4068.285156][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.285156][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.285156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.285156][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4068.285156][ T73] ipv6_add_addr+0x411/0x2000 [ 4068.285156][ T73] inet6_addr_add+0x30e/0xa40 [ 4068.285156][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.285156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.285156][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.285156][ T73] netlink_unicast+0x449/0x710 [ 4068.285156][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.285156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.285156][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.285156][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.285156][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.285156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.285156][ T73] [ 4068.287474][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4068.287474][ T73] netdev_get_by_index+0x5e/0x80 [ 4068.287474][ T73] fib6_nh_init+0x3d8/0x1580 [ 4068.287474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4068.287474][ T73] ip6_route_add+0x1c/0x140 [ 4068.287474][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4068.287474][ T73] addrconf_add_dev+0xe2/0x170 [ 4068.287474][ T73] inet6_addr_add+0x12f/0xa40 [ 4068.287474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4068.287474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.287474][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.287474][ T73] netlink_unicast+0x449/0x710 [ 4068.287474][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.287474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.287474][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.287474][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.287474][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.287474][ T73] [ 4068.289692][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4068.289692][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4068.289692][ T73] ipv6_find_idev+0x102/0x170 [ 4068.289692][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.289692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.289692][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.289692][ T73] netlink_unicast+0x449/0x710 [ 4068.289692][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.289692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.289692][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.289692][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.289692][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.289692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.289692][ T73] [ 4068.291422][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4068.291422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4068.291422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4068.291422][ T73] ipv6_find_idev+0x102/0x170 [ 4068.291422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4068.291422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4068.291422][ T73] netlink_rcv_skb+0x130/0x360 [ 4068.291422][ T73] netlink_unicast+0x449/0x710 [ 4068.291422][ T73] netlink_sendmsg+0x723/0xbe0 [ 4068.291422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4068.291422][ T73] ___sys_sendmsg+0xee/0x170 [ 4068.291422][ T73] __sys_sendmsg+0xcd/0x170 [ 4068.291422][ T73] do_syscall_64+0xc6/0x1e0 [ 4068.291422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4068.291422][ T73] [ 4078.350958][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4078.351379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.351379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4078.351379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4078.351379][ T73] fib6_nh_init+0xa22/0x1580 [ 4078.351379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.351379][ T73] ip6_route_add+0x1c/0x140 [ 4078.351379][ T73] inet6_rtm_newroute+0x104/0x110 [ 4078.351379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.351379][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.351379][ T73] netlink_unicast+0x449/0x710 [ 4078.351379][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.351379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.351379][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.351379][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.351379][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.351379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.351379][ T73] [ 4078.353446][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.353446][ T73] dst_init+0x84/0x4a0 [ 4078.353446][ T73] dst_alloc+0x97/0x150 [ 4078.353446][ T73] ip6_dst_alloc+0x23/0x90 [ 4078.353446][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4078.353446][ T73] ip6_pol_route+0x56f/0x840 [ 4078.353446][ T73] fib6_rule_lookup+0x456/0x630 [ 4078.353446][ T73] ip6_route_input+0x59c/0xa50 [ 4078.353446][ T73] ipv6_rcv+0x397/0x810 [ 4078.353446][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4078.353446][ T73] process_backlog+0x101/0x620 [ 4078.353446][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4078.353446][ T73] net_rx_action+0x495/0xbe0 [ 4078.353446][ T73] __do_softirq+0x1b5/0x7f6 [ 4078.353446][ T73] [ 4078.355219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.355219][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.355219][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.355219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.355219][ T73] ip6_route_add+0x1c/0x140 [ 4078.355219][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4078.355219][ T73] inet6_addr_add+0x4f8/0xa40 [ 4078.355219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.355219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.355219][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.355219][ T73] netlink_unicast+0x449/0x710 [ 4078.355219][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.355219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.355219][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.355219][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.355219][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.355219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.355219][ T73] [ 4078.357394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.357394][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.357394][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.357394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.357394][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4078.357394][ T73] ipv6_add_addr+0x411/0x2000 [ 4078.357394][ T73] inet6_addr_add+0x30e/0xa40 [ 4078.357394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.357394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.357394][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.357394][ T73] netlink_unicast+0x449/0x710 [ 4078.357394][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.357394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.357394][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.357394][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.357394][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.357394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.357394][ T73] [ 4078.359566][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.359566][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.359566][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.359566][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.359566][ T73] ip6_route_add+0x1c/0x140 [ 4078.359566][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4078.359566][ T73] addrconf_add_dev+0xe2/0x170 [ 4078.359566][ T73] inet6_addr_add+0x12f/0xa40 [ 4078.359566][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.359566][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.359566][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.359566][ T73] netlink_unicast+0x449/0x710 [ 4078.359566][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.359566][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.359566][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.359566][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.359566][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.359566][ T73] [ 4078.361720][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.361720][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4078.361720][ T73] ipv6_find_idev+0x102/0x170 [ 4078.361720][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.361720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.361720][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.361720][ T73] netlink_unicast+0x449/0x710 [ 4078.361720][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.361720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.361720][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.361720][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.361720][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.361720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.361720][ T73] [ 4078.363392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4078.363392][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4078.363392][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4078.363392][ T73] ipv6_find_idev+0x102/0x170 [ 4078.363392][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.363392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.363392][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.363392][ T73] netlink_unicast+0x449/0x710 [ 4078.363392][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.363392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.363392][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.363392][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.363392][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.363392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.363392][ T73] [ 4078.365234][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4078.365534][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.365534][ T73] dst_init+0x84/0x4a0 [ 4078.365534][ T73] dst_alloc+0x97/0x150 [ 4078.365534][ T73] ip6_dst_alloc+0x23/0x90 [ 4078.365534][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4078.365534][ T73] ip6_pol_route+0x56f/0x840 [ 4078.365534][ T73] fib6_rule_lookup+0x456/0x630 [ 4078.365534][ T73] ip6_route_input+0x59c/0xa50 [ 4078.365534][ T73] ipv6_rcv+0x397/0x810 [ 4078.365534][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4078.365534][ T73] process_backlog+0x101/0x620 [ 4078.365534][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4078.365534][ T73] net_rx_action+0x495/0xbe0 [ 4078.365534][ T73] __do_softirq+0x1b5/0x7f6 [ 4078.365534][ T73] [ 4078.367315][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.367315][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.367315][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.367315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.367315][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4078.367315][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4078.367315][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4078.367315][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4078.367315][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4078.367315][ T73] addrconf_dad_begin+0x310/0x670 [ 4078.367315][ T73] addrconf_dad_work+0x10b/0xab0 [ 4078.367315][ T73] process_one_work+0x84d/0x18a0 [ 4078.367315][ T73] worker_thread+0x587/0xd30 [ 4078.367315][ T73] kthread+0x28a/0x350 [ 4078.367315][ T73] ret_from_fork+0x31/0x70 [ 4078.367315][ T73] ret_from_fork_asm+0x1a/0x30 [ 4078.367315][ T73] [ 4078.369384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.369384][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.369384][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.369384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.369384][ T73] ip6_route_add+0x1c/0x140 [ 4078.369384][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4078.369384][ T73] inet6_addr_add+0x4f8/0xa40 [ 4078.369384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.369384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.369384][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.369384][ T73] netlink_unicast+0x449/0x710 [ 4078.369384][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.369384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.369384][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.369384][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.369384][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.369384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.369384][ T73] [ 4078.371544][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.371544][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.371544][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.371544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.371544][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4078.371544][ T73] ipv6_add_addr+0x411/0x2000 [ 4078.371544][ T73] inet6_addr_add+0x30e/0xa40 [ 4078.371544][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.371544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.371544][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.371544][ T73] netlink_unicast+0x449/0x710 [ 4078.371544][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.371544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.371544][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.371544][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.371544][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.371544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.371544][ T73] [ 4078.373673][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.373673][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.373673][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.373673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.373673][ T73] ip6_route_add+0x1c/0x140 [ 4078.373673][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4078.373673][ T73] addrconf_add_dev+0xe2/0x170 [ 4078.373673][ T73] inet6_addr_add+0x12f/0xa40 [ 4078.373673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.373673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.373673][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.373673][ T73] netlink_unicast+0x449/0x710 [ 4078.373673][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.373673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.373673][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.373673][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.373673][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.373673][ T73] [ 4078.375830][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.375830][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4078.375830][ T73] ipv6_find_idev+0x102/0x170 [ 4078.375830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.375830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.375830][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.375830][ T73] netlink_unicast+0x449/0x710 [ 4078.375830][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.375830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.375830][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.375830][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.375830][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.375830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.375830][ T73] [ 4078.377500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4078.377500][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4078.377500][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4078.377500][ T73] ipv6_find_idev+0x102/0x170 [ 4078.377500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.377500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.377500][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.377500][ T73] netlink_unicast+0x449/0x710 [ 4078.377500][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.377500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.377500][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.377500][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.377500][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.377500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.377500][ T73] [ 4078.379463][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4078.379756][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.379756][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4078.379756][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4078.379756][ T73] fib6_nh_init+0xa22/0x1580 [ 4078.379756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.379756][ T73] ip6_route_add+0x1c/0x140 [ 4078.379756][ T73] inet6_rtm_newroute+0x104/0x110 [ 4078.379756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.379756][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.379756][ T73] netlink_unicast+0x449/0x710 [ 4078.379756][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.379756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.379756][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.379756][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.379756][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.379756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.379756][ T73] [ 4078.382117][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.382117][ T73] dst_init+0x84/0x4a0 [ 4078.382117][ T73] dst_alloc+0x97/0x150 [ 4078.382117][ T73] ip6_dst_alloc+0x23/0x90 [ 4078.382117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4078.382117][ T73] ip6_pol_route+0x56f/0x840 [ 4078.382117][ T73] fib6_rule_lookup+0x456/0x630 [ 4078.382117][ T73] ip6_route_input+0x59c/0xa50 [ 4078.382117][ T73] ipv6_rcv+0x397/0x810 [ 4078.382117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4078.382117][ T73] process_backlog+0x101/0x620 [ 4078.382117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4078.382117][ T73] net_rx_action+0x495/0xbe0 [ 4078.382117][ T73] __do_softirq+0x1b5/0x7f6 [ 4078.382117][ T73] [ 4078.384072][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.384072][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.384072][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.384072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.384072][ T73] ip6_route_add+0x1c/0x140 [ 4078.384072][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4078.384072][ T73] inet6_addr_add+0x4f8/0xa40 [ 4078.384072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.384072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.384072][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.384072][ T73] netlink_unicast+0x449/0x710 [ 4078.384072][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.384072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.384072][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.384072][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.384072][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.384072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.384072][ T73] [ 4078.386485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.386485][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.386485][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.386485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.386485][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4078.386485][ T73] ipv6_add_addr+0x411/0x2000 [ 4078.386485][ T73] inet6_addr_add+0x30e/0xa40 [ 4078.386485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.386485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.386485][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.386485][ T73] netlink_unicast+0x449/0x710 [ 4078.386485][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.386485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.386485][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.386485][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.386485][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.386485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.386485][ T73] [ 4078.388831][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.388831][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.388831][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.388831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.388831][ T73] ip6_route_add+0x1c/0x140 [ 4078.388831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4078.388831][ T73] addrconf_add_dev+0xe2/0x170 [ 4078.388831][ T73] inet6_addr_add+0x12f/0xa40 [ 4078.388831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.388831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.388831][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.388831][ T73] netlink_unicast+0x449/0x710 [ 4078.388831][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.388831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.388831][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.388831][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.388831][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.388831][ T73] [ 4078.391264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.391264][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4078.391264][ T73] ipv6_find_idev+0x102/0x170 [ 4078.391264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.391264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.391264][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.391264][ T73] netlink_unicast+0x449/0x710 [ 4078.391264][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.391264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.391264][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.391264][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.391264][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.391264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.391264][ T73] [ 4078.393123][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4078.393123][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4078.393123][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4078.393123][ T73] ipv6_find_idev+0x102/0x170 [ 4078.393123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.393123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.393123][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.393123][ T73] netlink_unicast+0x449/0x710 [ 4078.393123][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.393123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.393123][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.393123][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.393123][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.393123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.393123][ T73] [ 4078.395722][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4078.396457][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4078.396457][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.396457][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.396457][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.396457][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4078.396457][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4078.396457][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4078.396457][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4078.396457][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4078.396457][ T73] addrconf_dad_begin+0x310/0x670 [ 4078.396457][ T73] addrconf_dad_work+0x10b/0xab0 [ 4078.396457][ T73] process_one_work+0x84d/0x18a0 [ 4078.396457][ T73] worker_thread+0x587/0xd30 [ 4078.396457][ T73] kthread+0x28a/0x350 [ 4078.396457][ T73] ret_from_fork+0x31/0x70 [ 4078.396457][ T73] ret_from_fork_asm+0x1a/0x30 [ 4078.396457][ T73] [ 4078.398523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4078.398523][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.398523][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.398523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.398523][ T73] ip6_route_add+0x1c/0x140 [ 4078.398523][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4078.398523][ T73] inet6_addr_add+0x4f8/0xa40 [ 4078.398523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.398523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.398523][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.398523][ T73] netlink_unicast+0x449/0x710 [ 4078.398523][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.398523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.398523][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.398523][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.398523][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.398523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.398523][ T73] [ 4078.401140][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4078.401140][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.401140][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.401140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.401140][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4078.401140][ T73] ipv6_add_addr+0x411/0x2000 [ 4078.401140][ T73] inet6_addr_add+0x30e/0xa40 [ 4078.401140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.401140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.401140][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.401140][ T73] netlink_unicast+0x449/0x710 [ 4078.401140][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.401140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.401140][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.401140][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.401140][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.401140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.401140][ T73] [ 4078.403528][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4078.403528][ T73] netdev_get_by_index+0x5e/0x80 [ 4078.403528][ T73] fib6_nh_init+0x3d8/0x1580 [ 4078.403528][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4078.403528][ T73] ip6_route_add+0x1c/0x140 [ 4078.403528][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4078.403528][ T73] addrconf_add_dev+0xe2/0x170 [ 4078.403528][ T73] inet6_addr_add+0x12f/0xa40 [ 4078.403528][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4078.403528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.403528][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.403528][ T73] netlink_unicast+0x449/0x710 [ 4078.403528][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.403528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.403528][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.403528][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.403528][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.403528][ T73] [ 4078.405941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4078.405941][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4078.405941][ T73] ipv6_find_idev+0x102/0x170 [ 4078.405941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.405941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.405941][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.405941][ T73] netlink_unicast+0x449/0x710 [ 4078.405941][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.405941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.405941][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.405941][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.405941][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.405941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.405941][ T73] [ 4078.407777][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4078.407777][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4078.407777][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4078.407777][ T73] ipv6_find_idev+0x102/0x170 [ 4078.407777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4078.407777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4078.407777][ T73] netlink_rcv_skb+0x130/0x360 [ 4078.407777][ T73] netlink_unicast+0x449/0x710 [ 4078.407777][ T73] netlink_sendmsg+0x723/0xbe0 [ 4078.407777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4078.407777][ T73] ___sys_sendmsg+0xee/0x170 [ 4078.407777][ T73] __sys_sendmsg+0xcd/0x170 [ 4078.407777][ T73] do_syscall_64+0xc6/0x1e0 [ 4078.407777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4078.407777][ T73] [ 4088.654915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4088.655370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.655370][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4088.655370][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4088.655370][ T73] fib6_nh_init+0xa22/0x1580 [ 4088.655370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.655370][ T73] ip6_route_add+0x1c/0x140 [ 4088.655370][ T73] inet6_rtm_newroute+0x104/0x110 [ 4088.655370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.655370][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.655370][ T73] netlink_unicast+0x449/0x710 [ 4088.655370][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.655370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.655370][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.655370][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.655370][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.655370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.655370][ T73] [ 4088.657248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.657248][ T73] dst_init+0x84/0x4a0 [ 4088.657248][ T73] dst_alloc+0x97/0x150 [ 4088.657248][ T73] ip6_dst_alloc+0x23/0x90 [ 4088.657248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4088.657248][ T73] ip6_pol_route+0x56f/0x840 [ 4088.657248][ T73] fib6_rule_lookup+0x456/0x630 [ 4088.657248][ T73] ip6_route_input+0x59c/0xa50 [ 4088.657248][ T73] ipv6_rcv+0x397/0x810 [ 4088.657248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4088.657248][ T73] process_backlog+0x101/0x620 [ 4088.657248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4088.657248][ T73] net_rx_action+0x495/0xbe0 [ 4088.657248][ T73] __do_softirq+0x1b5/0x7f6 [ 4088.657248][ T73] [ 4088.658874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.658874][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.658874][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.658874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.658874][ T73] ip6_route_add+0x1c/0x140 [ 4088.658874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4088.658874][ T73] inet6_addr_add+0x4f8/0xa40 [ 4088.658874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.658874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.658874][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.658874][ T73] netlink_unicast+0x449/0x710 [ 4088.658874][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.658874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.658874][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.658874][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.658874][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.658874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.658874][ T73] [ 4088.660867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.660867][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.660867][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.660867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.660867][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4088.660867][ T73] ipv6_add_addr+0x411/0x2000 [ 4088.660867][ T73] inet6_addr_add+0x30e/0xa40 [ 4088.660867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.660867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.660867][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.660867][ T73] netlink_unicast+0x449/0x710 [ 4088.660867][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.660867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.660867][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.660867][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.660867][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.660867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.660867][ T73] [ 4088.662863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.662863][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.662863][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.662863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.662863][ T73] ip6_route_add+0x1c/0x140 [ 4088.662863][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4088.662863][ T73] addrconf_add_dev+0xe2/0x170 [ 4088.662863][ T73] inet6_addr_add+0x12f/0xa40 [ 4088.662863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.662863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.662863][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.662863][ T73] netlink_unicast+0x449/0x710 [ 4088.662863][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.662863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.662863][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.662863][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.662863][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.662863][ T73] [ 4088.664813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.664813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4088.664813][ T73] ipv6_find_idev+0x102/0x170 [ 4088.664813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.664813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.664813][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.664813][ T73] netlink_unicast+0x449/0x710 [ 4088.664813][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.664813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.664813][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.664813][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.664813][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.664813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.664813][ T73] [ 4088.666339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4088.666339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4088.666339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4088.666339][ T73] ipv6_find_idev+0x102/0x170 [ 4088.666339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.666339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.666339][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.666339][ T73] netlink_unicast+0x449/0x710 [ 4088.666339][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.666339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.666339][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.666339][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.666339][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.666339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.666339][ T73] [ 4088.668028][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4088.668304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.668304][ T73] dst_init+0x84/0x4a0 [ 4088.668304][ T73] dst_alloc+0x97/0x150 [ 4088.668304][ T73] ip6_dst_alloc+0x23/0x90 [ 4088.668304][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4088.668304][ T73] ip6_pol_route+0x56f/0x840 [ 4088.668304][ T73] fib6_rule_lookup+0x456/0x630 [ 4088.668304][ T73] ip6_route_input+0x59c/0xa50 [ 4088.668304][ T73] ipv6_rcv+0x397/0x810 [ 4088.668304][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4088.668304][ T73] process_backlog+0x101/0x620 [ 4088.668304][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4088.668304][ T73] net_rx_action+0x495/0xbe0 [ 4088.668304][ T73] __do_softirq+0x1b5/0x7f6 [ 4088.668304][ T73] [ 4088.669939][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.669939][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.669939][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.669939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.669939][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4088.669939][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4088.669939][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4088.669939][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4088.669939][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4088.669939][ T73] addrconf_dad_begin+0x310/0x670 [ 4088.669939][ T73] addrconf_dad_work+0x10b/0xab0 [ 4088.669939][ T73] process_one_work+0x84d/0x18a0 [ 4088.669939][ T73] worker_thread+0x587/0xd30 [ 4088.669939][ T73] kthread+0x28a/0x350 [ 4088.669939][ T73] ret_from_fork+0x31/0x70 [ 4088.669939][ T73] ret_from_fork_asm+0x1a/0x30 [ 4088.669939][ T73] [ 4088.672254][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.672254][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.672254][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.672254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.672254][ T73] ip6_route_add+0x1c/0x140 [ 4088.672254][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4088.672254][ T73] inet6_addr_add+0x4f8/0xa40 [ 4088.672254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.672254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.672254][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.672254][ T73] netlink_unicast+0x449/0x710 [ 4088.672254][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.672254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.672254][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.672254][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.672254][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.672254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.672254][ T73] [ 4088.674257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.674257][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.674257][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.674257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.674257][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4088.674257][ T73] ipv6_add_addr+0x411/0x2000 [ 4088.674257][ T73] inet6_addr_add+0x30e/0xa40 [ 4088.674257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.674257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.674257][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.674257][ T73] netlink_unicast+0x449/0x710 [ 4088.674257][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.674257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.674257][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.674257][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.674257][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.674257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.674257][ T73] [ 4088.676248][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.676248][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.676248][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.676248][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.676248][ T73] ip6_route_add+0x1c/0x140 [ 4088.676248][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4088.676248][ T73] addrconf_add_dev+0xe2/0x170 [ 4088.676248][ T73] inet6_addr_add+0x12f/0xa40 [ 4088.676248][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.676248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.676248][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.676248][ T73] netlink_unicast+0x449/0x710 [ 4088.676248][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.676248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.676248][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.676248][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.676248][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.676248][ T73] [ 4088.678204][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.678204][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4088.678204][ T73] ipv6_find_idev+0x102/0x170 [ 4088.678204][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.678204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.678204][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.678204][ T73] netlink_unicast+0x449/0x710 [ 4088.678204][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.678204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.678204][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.678204][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.678204][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.678204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.678204][ T73] [ 4088.679767][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4088.679767][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4088.679767][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4088.679767][ T73] ipv6_find_idev+0x102/0x170 [ 4088.679767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.679767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.679767][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.679767][ T73] netlink_unicast+0x449/0x710 [ 4088.679767][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.679767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.679767][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.679767][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.679767][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.679767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.679767][ T73] [ 4088.681576][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4088.681860][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.681860][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4088.681860][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4088.681860][ T73] fib6_nh_init+0xa22/0x1580 [ 4088.681860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.681860][ T73] ip6_route_add+0x1c/0x140 [ 4088.681860][ T73] inet6_rtm_newroute+0x104/0x110 [ 4088.681860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.681860][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.681860][ T73] netlink_unicast+0x449/0x710 [ 4088.681860][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.681860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.681860][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.681860][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.681860][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.681860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.681860][ T73] [ 4088.684028][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.684028][ T73] dst_init+0x84/0x4a0 [ 4088.684028][ T73] dst_alloc+0x97/0x150 [ 4088.684028][ T73] ip6_dst_alloc+0x23/0x90 [ 4088.684028][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4088.684028][ T73] ip6_pol_route+0x56f/0x840 [ 4088.684028][ T73] fib6_rule_lookup+0x456/0x630 [ 4088.684028][ T73] ip6_route_input+0x59c/0xa50 [ 4088.684028][ T73] ipv6_rcv+0x397/0x810 [ 4088.684028][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4088.684028][ T73] process_backlog+0x101/0x620 [ 4088.684028][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4088.684028][ T73] net_rx_action+0x495/0xbe0 [ 4088.684028][ T73] __do_softirq+0x1b5/0x7f6 [ 4088.684028][ T73] [ 4088.685839][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.685839][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.685839][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.685839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.685839][ T73] ip6_route_add+0x1c/0x140 [ 4088.685839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4088.685839][ T73] inet6_addr_add+0x4f8/0xa40 [ 4088.685839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.685839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.685839][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.685839][ T73] netlink_unicast+0x449/0x710 [ 4088.685839][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.685839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.685839][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.685839][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.685839][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.685839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.685839][ T73] [ 4088.688063][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.688063][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.688063][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.688063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.688063][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4088.688063][ T73] ipv6_add_addr+0x411/0x2000 [ 4088.688063][ T73] inet6_addr_add+0x30e/0xa40 [ 4088.688063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.688063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.688063][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.688063][ T73] netlink_unicast+0x449/0x710 [ 4088.688063][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.688063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.688063][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.688063][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.688063][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.688063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.688063][ T73] [ 4088.690225][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.690225][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.690225][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.690225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.690225][ T73] ip6_route_add+0x1c/0x140 [ 4088.690225][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4088.690225][ T73] addrconf_add_dev+0xe2/0x170 [ 4088.690225][ T73] inet6_addr_add+0x12f/0xa40 [ 4088.690225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.690225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.690225][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.690225][ T73] netlink_unicast+0x449/0x710 [ 4088.690225][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.690225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.690225][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.690225][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.690225][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.690225][ T73] [ 4088.692481][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.692481][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4088.692481][ T73] ipv6_find_idev+0x102/0x170 [ 4088.692481][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.692481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.692481][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.692481][ T73] netlink_unicast+0x449/0x710 [ 4088.692481][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.692481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.692481][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.692481][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.692481][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.692481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.692481][ T73] [ 4088.694188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4088.694188][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4088.694188][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4088.694188][ T73] ipv6_find_idev+0x102/0x170 [ 4088.694188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.694188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.694188][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.694188][ T73] netlink_unicast+0x449/0x710 [ 4088.694188][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.694188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.694188][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.694188][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.694188][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.694188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.694188][ T73] [ 4088.696103][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4088.696373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4088.696373][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.696373][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.696373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.696373][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4088.696373][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4088.696373][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4088.696373][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4088.696373][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4088.696373][ T73] addrconf_dad_begin+0x310/0x670 [ 4088.696373][ T73] addrconf_dad_work+0x10b/0xab0 [ 4088.696373][ T73] process_one_work+0x84d/0x18a0 [ 4088.696373][ T73] worker_thread+0x587/0xd30 [ 4088.696373][ T73] kthread+0x28a/0x350 [ 4088.696373][ T73] ret_from_fork+0x31/0x70 [ 4088.696373][ T73] ret_from_fork_asm+0x1a/0x30 [ 4088.696373][ T73] [ 4088.698524][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4088.698524][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.698524][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.698524][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.698524][ T73] ip6_route_add+0x1c/0x140 [ 4088.698524][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4088.698524][ T73] inet6_addr_add+0x4f8/0xa40 [ 4088.698524][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.698524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.698524][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.698524][ T73] netlink_unicast+0x449/0x710 [ 4088.698524][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.698524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.698524][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.698524][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.698524][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.698524][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.698524][ T73] [ 4088.700679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4088.700679][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.700679][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.700679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.700679][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4088.700679][ T73] ipv6_add_addr+0x411/0x2000 [ 4088.700679][ T73] inet6_addr_add+0x30e/0xa40 [ 4088.700679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.700679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.700679][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.700679][ T73] netlink_unicast+0x449/0x710 [ 4088.700679][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.700679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.700679][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.700679][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.700679][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.700679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.700679][ T73] [ 4088.702980][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4088.702980][ T73] netdev_get_by_index+0x5e/0x80 [ 4088.702980][ T73] fib6_nh_init+0x3d8/0x1580 [ 4088.702980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4088.702980][ T73] ip6_route_add+0x1c/0x140 [ 4088.702980][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4088.702980][ T73] addrconf_add_dev+0xe2/0x170 [ 4088.702980][ T73] inet6_addr_add+0x12f/0xa40 [ 4088.702980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4088.702980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.702980][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.702980][ T73] netlink_unicast+0x449/0x710 [ 4088.702980][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.702980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.702980][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.702980][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.702980][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.702980][ T73] [ 4088.705181][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4088.705181][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4088.705181][ T73] ipv6_find_idev+0x102/0x170 [ 4088.705181][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.705181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.705181][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.705181][ T73] netlink_unicast+0x449/0x710 [ 4088.705181][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.705181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.705181][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.705181][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.705181][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.705181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.705181][ T73] [ 4088.706886][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4088.706886][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4088.706886][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4088.706886][ T73] ipv6_find_idev+0x102/0x170 [ 4088.706886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4088.706886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4088.706886][ T73] netlink_rcv_skb+0x130/0x360 [ 4088.706886][ T73] netlink_unicast+0x449/0x710 [ 4088.706886][ T73] netlink_sendmsg+0x723/0xbe0 [ 4088.706886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4088.706886][ T73] ___sys_sendmsg+0xee/0x170 [ 4088.706886][ T73] __sys_sendmsg+0xcd/0x170 [ 4088.706886][ T73] do_syscall_64+0xc6/0x1e0 [ 4088.706886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4088.706886][ T73] [ 4098.798923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4098.799366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.799366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4098.799366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4098.799366][ T73] fib6_nh_init+0xa22/0x1580 [ 4098.799366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.799366][ T73] ip6_route_add+0x1c/0x140 [ 4098.799366][ T73] inet6_rtm_newroute+0x104/0x110 [ 4098.799366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.799366][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.799366][ T73] netlink_unicast+0x449/0x710 [ 4098.799366][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.799366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.799366][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.799366][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.799366][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.799366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.799366][ T73] [ 4098.801253][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.801253][ T73] dst_init+0x84/0x4a0 [ 4098.801253][ T73] dst_alloc+0x97/0x150 [ 4098.801253][ T73] ip6_dst_alloc+0x23/0x90 [ 4098.801253][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4098.801253][ T73] ip6_pol_route+0x56f/0x840 [ 4098.801253][ T73] fib6_rule_lookup+0x456/0x630 [ 4098.801253][ T73] ip6_route_input+0x59c/0xa50 [ 4098.801253][ T73] ipv6_rcv+0x397/0x810 [ 4098.801253][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4098.801253][ T73] process_backlog+0x101/0x620 [ 4098.801253][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4098.801253][ T73] net_rx_action+0x495/0xbe0 [ 4098.801253][ T73] __do_softirq+0x1b5/0x7f6 [ 4098.801253][ T73] [ 4098.802895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.802895][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.802895][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.802895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.802895][ T73] ip6_route_add+0x1c/0x140 [ 4098.802895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4098.802895][ T73] inet6_addr_add+0x4f8/0xa40 [ 4098.802895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.802895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.802895][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.802895][ T73] netlink_unicast+0x449/0x710 [ 4098.802895][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.802895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.802895][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.802895][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.802895][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.802895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.802895][ T73] [ 4098.804884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.804884][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.804884][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.804884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.804884][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4098.804884][ T73] ipv6_add_addr+0x411/0x2000 [ 4098.804884][ T73] inet6_addr_add+0x30e/0xa40 [ 4098.804884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.804884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.804884][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.804884][ T73] netlink_unicast+0x449/0x710 [ 4098.804884][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.804884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.804884][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.804884][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.804884][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.804884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.804884][ T73] [ 4098.806872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.806872][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.806872][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.806872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.806872][ T73] ip6_route_add+0x1c/0x140 [ 4098.806872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4098.806872][ T73] addrconf_add_dev+0xe2/0x170 [ 4098.806872][ T73] inet6_addr_add+0x12f/0xa40 [ 4098.806872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.806872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.806872][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.806872][ T73] netlink_unicast+0x449/0x710 [ 4098.806872][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.806872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.806872][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.806872][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.806872][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.806872][ T73] [ 4098.808820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.808820][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4098.808820][ T73] ipv6_find_idev+0x102/0x170 [ 4098.808820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.808820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.808820][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.808820][ T73] netlink_unicast+0x449/0x710 [ 4098.808820][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.808820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.808820][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.808820][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.808820][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.808820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.808820][ T73] [ 4098.810355][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4098.810355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4098.810355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4098.810355][ T73] ipv6_find_idev+0x102/0x170 [ 4098.810355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.810355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.810355][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.810355][ T73] netlink_unicast+0x449/0x710 [ 4098.810355][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.810355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.810355][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.810355][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.810355][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.810355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.810355][ T73] [ 4098.812038][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4098.812326][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.812326][ T73] dst_init+0x84/0x4a0 [ 4098.812326][ T73] dst_alloc+0x97/0x150 [ 4098.812326][ T73] ip6_dst_alloc+0x23/0x90 [ 4098.812326][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4098.812326][ T73] ip6_pol_route+0x56f/0x840 [ 4098.812326][ T73] fib6_rule_lookup+0x456/0x630 [ 4098.812326][ T73] ip6_route_input+0x59c/0xa50 [ 4098.812326][ T73] ipv6_rcv+0x397/0x810 [ 4098.812326][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4098.812326][ T73] process_backlog+0x101/0x620 [ 4098.812326][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4098.812326][ T73] net_rx_action+0x495/0xbe0 [ 4098.812326][ T73] __do_softirq+0x1b5/0x7f6 [ 4098.812326][ T73] [ 4098.813954][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.813954][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.813954][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.813954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.813954][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4098.813954][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4098.813954][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4098.813954][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4098.813954][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4098.813954][ T73] addrconf_dad_begin+0x310/0x670 [ 4098.813954][ T73] addrconf_dad_work+0x10b/0xab0 [ 4098.813954][ T73] process_one_work+0x84d/0x18a0 [ 4098.813954][ T73] worker_thread+0x587/0xd30 [ 4098.813954][ T73] kthread+0x28a/0x350 [ 4098.813954][ T73] ret_from_fork+0x31/0x70 [ 4098.813954][ T73] ret_from_fork_asm+0x1a/0x30 [ 4098.813954][ T73] [ 4098.815844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.815844][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.815844][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.815844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.815844][ T73] ip6_route_add+0x1c/0x140 [ 4098.815844][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4098.815844][ T73] inet6_addr_add+0x4f8/0xa40 [ 4098.815844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.815844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.815844][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.815844][ T73] netlink_unicast+0x449/0x710 [ 4098.815844][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.815844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.815844][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.815844][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.815844][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.815844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.815844][ T73] [ 4098.817823][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.817823][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.817823][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.817823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.817823][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4098.817823][ T73] ipv6_add_addr+0x411/0x2000 [ 4098.817823][ T73] inet6_addr_add+0x30e/0xa40 [ 4098.817823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.817823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.817823][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.817823][ T73] netlink_unicast+0x449/0x710 [ 4098.817823][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.817823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.817823][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.817823][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.817823][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.817823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.817823][ T73] [ 4098.819807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.819807][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.819807][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.819807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.819807][ T73] ip6_route_add+0x1c/0x140 [ 4098.819807][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4098.819807][ T73] addrconf_add_dev+0xe2/0x170 [ 4098.819807][ T73] inet6_addr_add+0x12f/0xa40 [ 4098.819807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.819807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.819807][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.819807][ T73] netlink_unicast+0x449/0x710 [ 4098.819807][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.819807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.819807][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.819807][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.819807][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.819807][ T73] [ 4098.821782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.821782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4098.821782][ T73] ipv6_find_idev+0x102/0x170 [ 4098.821782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.821782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.821782][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.821782][ T73] netlink_unicast+0x449/0x710 [ 4098.821782][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.821782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.821782][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.821782][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.821782][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.821782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.821782][ T73] [ 4098.823307][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4098.823307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4098.823307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4098.823307][ T73] ipv6_find_idev+0x102/0x170 [ 4098.823307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.823307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.823307][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.823307][ T73] netlink_unicast+0x449/0x710 [ 4098.823307][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.823307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.823307][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.823307][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.823307][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.823307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.823307][ T73] [ 4098.825115][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4098.825383][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.825383][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4098.825383][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4098.825383][ T73] fib6_nh_init+0xa22/0x1580 [ 4098.825383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.825383][ T73] ip6_route_add+0x1c/0x140 [ 4098.825383][ T73] inet6_rtm_newroute+0x104/0x110 [ 4098.825383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.825383][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.825383][ T73] netlink_unicast+0x449/0x710 [ 4098.825383][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.825383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.825383][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.825383][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.825383][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.825383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.825383][ T73] [ 4098.827545][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.827545][ T73] dst_init+0x84/0x4a0 [ 4098.827545][ T73] dst_alloc+0x97/0x150 [ 4098.827545][ T73] ip6_dst_alloc+0x23/0x90 [ 4098.827545][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4098.827545][ T73] ip6_pol_route+0x56f/0x840 [ 4098.827545][ T73] fib6_rule_lookup+0x456/0x630 [ 4098.827545][ T73] ip6_route_input+0x59c/0xa50 [ 4098.827545][ T73] ipv6_rcv+0x397/0x810 [ 4098.827545][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4098.827545][ T73] process_backlog+0x101/0x620 [ 4098.827545][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4098.827545][ T73] net_rx_action+0x495/0xbe0 [ 4098.827545][ T73] __do_softirq+0x1b5/0x7f6 [ 4098.827545][ T73] [ 4098.829355][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.829355][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.829355][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.829355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.829355][ T73] ip6_route_add+0x1c/0x140 [ 4098.829355][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4098.829355][ T73] inet6_addr_add+0x4f8/0xa40 [ 4098.829355][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.829355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.829355][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.829355][ T73] netlink_unicast+0x449/0x710 [ 4098.829355][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.829355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.829355][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.829355][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.829355][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.829355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.829355][ T73] [ 4098.831584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.831584][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.831584][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.831584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.831584][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4098.831584][ T73] ipv6_add_addr+0x411/0x2000 [ 4098.831584][ T73] inet6_addr_add+0x30e/0xa40 [ 4098.831584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.831584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.831584][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.831584][ T73] netlink_unicast+0x449/0x710 [ 4098.831584][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.831584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.831584][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.831584][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.831584][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.831584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.831584][ T73] [ 4098.833740][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.833740][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.833740][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.833740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.833740][ T73] ip6_route_add+0x1c/0x140 [ 4098.833740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4098.833740][ T73] addrconf_add_dev+0xe2/0x170 [ 4098.833740][ T73] inet6_addr_add+0x12f/0xa40 [ 4098.833740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.833740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.833740][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.833740][ T73] netlink_unicast+0x449/0x710 [ 4098.833740][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.833740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.833740][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.833740][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.833740][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.833740][ T73] [ 4098.835999][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.835999][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4098.835999][ T73] ipv6_find_idev+0x102/0x170 [ 4098.835999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.835999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.835999][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.835999][ T73] netlink_unicast+0x449/0x710 [ 4098.835999][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.835999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.835999][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.835999][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.835999][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.835999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.835999][ T73] [ 4098.837713][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4098.837713][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4098.837713][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4098.837713][ T73] ipv6_find_idev+0x102/0x170 [ 4098.837713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.837713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.837713][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.837713][ T73] netlink_unicast+0x449/0x710 [ 4098.837713][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.837713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.837713][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.837713][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.837713][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.837713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.837713][ T73] [ 4098.839630][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4098.840328][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4098.840328][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.840328][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.840328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.840328][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4098.840328][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4098.840328][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4098.840328][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4098.840328][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4098.840328][ T73] addrconf_dad_begin+0x310/0x670 [ 4098.840328][ T73] addrconf_dad_work+0x10b/0xab0 [ 4098.840328][ T73] process_one_work+0x84d/0x18a0 [ 4098.840328][ T73] worker_thread+0x587/0xd30 [ 4098.840328][ T73] kthread+0x28a/0x350 [ 4098.840328][ T73] ret_from_fork+0x31/0x70 [ 4098.840328][ T73] ret_from_fork_asm+0x1a/0x30 [ 4098.840328][ T73] [ 4098.842231][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4098.842231][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.842231][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.842231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.842231][ T73] ip6_route_add+0x1c/0x140 [ 4098.842231][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4098.842231][ T73] inet6_addr_add+0x4f8/0xa40 [ 4098.842231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.842231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.842231][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.842231][ T73] netlink_unicast+0x449/0x710 [ 4098.842231][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.842231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.842231][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.842231][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.842231][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.842231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.842231][ T73] [ 4098.844271][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4098.844271][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.844271][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.844271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.844271][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4098.844271][ T73] ipv6_add_addr+0x411/0x2000 [ 4098.844271][ T73] inet6_addr_add+0x30e/0xa40 [ 4098.844271][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.844271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.844271][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.844271][ T73] netlink_unicast+0x449/0x710 [ 4098.844271][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.844271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.844271][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.844271][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.844271][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.844271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.844271][ T73] [ 4098.846490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4098.846490][ T73] netdev_get_by_index+0x5e/0x80 [ 4098.846490][ T73] fib6_nh_init+0x3d8/0x1580 [ 4098.846490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4098.846490][ T73] ip6_route_add+0x1c/0x140 [ 4098.846490][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4098.846490][ T73] addrconf_add_dev+0xe2/0x170 [ 4098.846490][ T73] inet6_addr_add+0x12f/0xa40 [ 4098.846490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4098.846490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.846490][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.846490][ T73] netlink_unicast+0x449/0x710 [ 4098.846490][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.846490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.846490][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.846490][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.846490][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.846490][ T73] [ 4098.848739][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4098.848739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4098.848739][ T73] ipv6_find_idev+0x102/0x170 [ 4098.848739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.848739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.848739][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.848739][ T73] netlink_unicast+0x449/0x710 [ 4098.848739][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.848739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.848739][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.848739][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.848739][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.848739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.848739][ T73] [ 4098.850456][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4098.850456][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4098.850456][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4098.850456][ T73] ipv6_find_idev+0x102/0x170 [ 4098.850456][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4098.850456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4098.850456][ T73] netlink_rcv_skb+0x130/0x360 [ 4098.850456][ T73] netlink_unicast+0x449/0x710 [ 4098.850456][ T73] netlink_sendmsg+0x723/0xbe0 [ 4098.850456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4098.850456][ T73] ___sys_sendmsg+0xee/0x170 [ 4098.850456][ T73] __sys_sendmsg+0xcd/0x170 [ 4098.850456][ T73] do_syscall_64+0xc6/0x1e0 [ 4098.850456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4098.850456][ T73] [ 4109.094918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4109.095319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.095319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4109.095319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4109.095319][ T73] fib6_nh_init+0xa22/0x1580 [ 4109.095319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.095319][ T73] ip6_route_add+0x1c/0x140 [ 4109.095319][ T73] inet6_rtm_newroute+0x104/0x110 [ 4109.095319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.095319][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.095319][ T73] netlink_unicast+0x449/0x710 [ 4109.095319][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.095319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.095319][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.095319][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.095319][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.095319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.095319][ T73] [ 4109.097235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.097235][ T73] dst_init+0x84/0x4a0 [ 4109.097235][ T73] dst_alloc+0x97/0x150 [ 4109.097235][ T73] ip6_dst_alloc+0x23/0x90 [ 4109.097235][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4109.097235][ T73] ip6_pol_route+0x56f/0x840 [ 4109.097235][ T73] fib6_rule_lookup+0x456/0x630 [ 4109.097235][ T73] ip6_route_input+0x59c/0xa50 [ 4109.097235][ T73] ipv6_rcv+0x397/0x810 [ 4109.097235][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4109.097235][ T73] process_backlog+0x101/0x620 [ 4109.097235][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4109.097235][ T73] net_rx_action+0x495/0xbe0 [ 4109.097235][ T73] __do_softirq+0x1b5/0x7f6 [ 4109.097235][ T73] [ 4109.098876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.098876][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.098876][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.098876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.098876][ T73] ip6_route_add+0x1c/0x140 [ 4109.098876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4109.098876][ T73] inet6_addr_add+0x4f8/0xa40 [ 4109.098876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.098876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.098876][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.098876][ T73] netlink_unicast+0x449/0x710 [ 4109.098876][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.098876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.098876][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.098876][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.098876][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.098876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.098876][ T73] [ 4109.100882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.100882][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.100882][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.100882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.100882][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4109.100882][ T73] ipv6_add_addr+0x411/0x2000 [ 4109.100882][ T73] inet6_addr_add+0x30e/0xa40 [ 4109.100882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.100882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.100882][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.100882][ T73] netlink_unicast+0x449/0x710 [ 4109.100882][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.100882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.100882][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.100882][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.100882][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.100882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.100882][ T73] [ 4109.102879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.102879][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.102879][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.102879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.102879][ T73] ip6_route_add+0x1c/0x140 [ 4109.102879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4109.102879][ T73] addrconf_add_dev+0xe2/0x170 [ 4109.102879][ T73] inet6_addr_add+0x12f/0xa40 [ 4109.102879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.102879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.102879][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.102879][ T73] netlink_unicast+0x449/0x710 [ 4109.102879][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.102879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.102879][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.102879][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.102879][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.102879][ T73] [ 4109.104838][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.104838][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4109.104838][ T73] ipv6_find_idev+0x102/0x170 [ 4109.104838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.104838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.104838][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.104838][ T73] netlink_unicast+0x449/0x710 [ 4109.104838][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.104838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.104838][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.104838][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.104838][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.104838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.104838][ T73] [ 4109.106389][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4109.106389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4109.106389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4109.106389][ T73] ipv6_find_idev+0x102/0x170 [ 4109.106389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.106389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.106389][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.106389][ T73] netlink_unicast+0x449/0x710 [ 4109.106389][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.106389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.106389][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.106389][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.106389][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.106389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.106389][ T73] [ 4109.108087][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4109.108363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.108363][ T73] dst_init+0x84/0x4a0 [ 4109.108363][ T73] dst_alloc+0x97/0x150 [ 4109.108363][ T73] ip6_dst_alloc+0x23/0x90 [ 4109.108363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4109.108363][ T73] ip6_pol_route+0x56f/0x840 [ 4109.108363][ T73] fib6_rule_lookup+0x456/0x630 [ 4109.108363][ T73] ip6_route_input+0x59c/0xa50 [ 4109.108363][ T73] ipv6_rcv+0x397/0x810 [ 4109.108363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4109.108363][ T73] process_backlog+0x101/0x620 [ 4109.108363][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4109.108363][ T73] net_rx_action+0x495/0xbe0 [ 4109.108363][ T73] __do_softirq+0x1b5/0x7f6 [ 4109.108363][ T73] [ 4109.110017][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.110017][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.110017][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.110017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.110017][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4109.110017][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4109.110017][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4109.110017][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4109.110017][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4109.110017][ T73] addrconf_dad_begin+0x310/0x670 [ 4109.110017][ T73] addrconf_dad_work+0x10b/0xab0 [ 4109.110017][ T73] process_one_work+0x84d/0x18a0 [ 4109.110017][ T73] worker_thread+0x587/0xd30 [ 4109.110017][ T73] kthread+0x28a/0x350 [ 4109.110017][ T73] ret_from_fork+0x31/0x70 [ 4109.110017][ T73] ret_from_fork_asm+0x1a/0x30 [ 4109.110017][ T73] [ 4109.111958][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.111958][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.111958][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.111958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.111958][ T73] ip6_route_add+0x1c/0x140 [ 4109.111958][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4109.111958][ T73] inet6_addr_add+0x4f8/0xa40 [ 4109.111958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.111958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.111958][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.111958][ T73] netlink_unicast+0x449/0x710 [ 4109.111958][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.111958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.111958][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.111958][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.111958][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.111958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.111958][ T73] [ 4109.113986][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.113986][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.113986][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.113986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.113986][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4109.113986][ T73] ipv6_add_addr+0x411/0x2000 [ 4109.113986][ T73] inet6_addr_add+0x30e/0xa40 [ 4109.113986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.113986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.113986][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.113986][ T73] netlink_unicast+0x449/0x710 [ 4109.113986][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.113986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.113986][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.113986][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.113986][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.113986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.113986][ T73] [ 4109.115992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.115992][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.115992][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.115992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.115992][ T73] ip6_route_add+0x1c/0x140 [ 4109.115992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4109.115992][ T73] addrconf_add_dev+0xe2/0x170 [ 4109.115992][ T73] inet6_addr_add+0x12f/0xa40 [ 4109.115992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.115992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.115992][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.115992][ T73] netlink_unicast+0x449/0x710 [ 4109.115992][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.115992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.115992][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.115992][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.115992][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.115992][ T73] [ 4109.117969][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.117969][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4109.117969][ T73] ipv6_find_idev+0x102/0x170 [ 4109.117969][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.117969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.117969][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.117969][ T73] netlink_unicast+0x449/0x710 [ 4109.117969][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.117969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.117969][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.117969][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.117969][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.117969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.117969][ T73] [ 4109.119500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4109.119500][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4109.119500][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4109.119500][ T73] ipv6_find_idev+0x102/0x170 [ 4109.119500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.119500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.119500][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.119500][ T73] netlink_unicast+0x449/0x710 [ 4109.119500][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.119500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.119500][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.119500][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.119500][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.119500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.119500][ T73] [ 4109.121309][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4109.121589][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.121589][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4109.121589][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4109.121589][ T73] fib6_nh_init+0xa22/0x1580 [ 4109.121589][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.121589][ T73] ip6_route_add+0x1c/0x140 [ 4109.121589][ T73] inet6_rtm_newroute+0x104/0x110 [ 4109.121589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.121589][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.121589][ T73] netlink_unicast+0x449/0x710 [ 4109.121589][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.121589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.121589][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.121589][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.121589][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.121589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.121589][ T73] [ 4109.123762][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.123762][ T73] dst_init+0x84/0x4a0 [ 4109.123762][ T73] dst_alloc+0x97/0x150 [ 4109.123762][ T73] ip6_dst_alloc+0x23/0x90 [ 4109.123762][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4109.123762][ T73] ip6_pol_route+0x56f/0x840 [ 4109.123762][ T73] fib6_rule_lookup+0x456/0x630 [ 4109.123762][ T73] ip6_route_input+0x59c/0xa50 [ 4109.123762][ T73] ipv6_rcv+0x397/0x810 [ 4109.123762][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4109.123762][ T73] process_backlog+0x101/0x620 [ 4109.123762][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4109.123762][ T73] net_rx_action+0x495/0xbe0 [ 4109.123762][ T73] __do_softirq+0x1b5/0x7f6 [ 4109.123762][ T73] [ 4109.125588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.125588][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.125588][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.125588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.125588][ T73] ip6_route_add+0x1c/0x140 [ 4109.125588][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4109.125588][ T73] inet6_addr_add+0x4f8/0xa40 [ 4109.125588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.125588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.125588][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.125588][ T73] netlink_unicast+0x449/0x710 [ 4109.125588][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.125588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.125588][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.125588][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.125588][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.125588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.125588][ T73] [ 4109.127843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.127843][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.127843][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.127843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.127843][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4109.127843][ T73] ipv6_add_addr+0x411/0x2000 [ 4109.127843][ T73] inet6_addr_add+0x30e/0xa40 [ 4109.127843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.127843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.127843][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.127843][ T73] netlink_unicast+0x449/0x710 [ 4109.127843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.127843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.127843][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.127843][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.127843][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.127843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.127843][ T73] [ 4109.130092][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.130092][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.130092][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.130092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.130092][ T73] ip6_route_add+0x1c/0x140 [ 4109.130092][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4109.130092][ T73] addrconf_add_dev+0xe2/0x170 [ 4109.130092][ T73] inet6_addr_add+0x12f/0xa40 [ 4109.130092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.130092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.130092][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.130092][ T73] netlink_unicast+0x449/0x710 [ 4109.130092][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.130092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.130092][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.130092][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.130092][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.130092][ T73] [ 4109.132377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.132377][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4109.132377][ T73] ipv6_find_idev+0x102/0x170 [ 4109.132377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.132377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.132377][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.132377][ T73] netlink_unicast+0x449/0x710 [ 4109.132377][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.132377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.132377][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.132377][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.132377][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.132377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.132377][ T73] [ 4109.134098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4109.134098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4109.134098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4109.134098][ T73] ipv6_find_idev+0x102/0x170 [ 4109.134098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.134098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.134098][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.134098][ T73] netlink_unicast+0x449/0x710 [ 4109.134098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.134098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.134098][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.134098][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.134098][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.134098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.134098][ T73] [ 4109.135968][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4109.136237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4109.136237][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.136237][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.136237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.136237][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4109.136237][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4109.136237][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4109.136237][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4109.136237][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4109.136237][ T73] addrconf_dad_begin+0x310/0x670 [ 4109.136237][ T73] addrconf_dad_work+0x10b/0xab0 [ 4109.136237][ T73] process_one_work+0x84d/0x18a0 [ 4109.136237][ T73] worker_thread+0x587/0xd30 [ 4109.136237][ T73] kthread+0x28a/0x350 [ 4109.136237][ T73] ret_from_fork+0x31/0x70 [ 4109.136237][ T73] ret_from_fork_asm+0x1a/0x30 [ 4109.136237][ T73] [ 4109.138385][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4109.138385][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.138385][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.138385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.138385][ T73] ip6_route_add+0x1c/0x140 [ 4109.138385][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4109.138385][ T73] inet6_addr_add+0x4f8/0xa40 [ 4109.138385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.138385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.138385][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.138385][ T73] netlink_unicast+0x449/0x710 [ 4109.138385][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.138385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.138385][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.138385][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.138385][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.138385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.138385][ T73] [ 4109.140626][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4109.140626][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.140626][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.140626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.140626][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4109.140626][ T73] ipv6_add_addr+0x411/0x2000 [ 4109.140626][ T73] inet6_addr_add+0x30e/0xa40 [ 4109.140626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.140626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.140626][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.140626][ T73] netlink_unicast+0x449/0x710 [ 4109.140626][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.140626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.140626][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.140626][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.140626][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.140626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.140626][ T73] [ 4109.142908][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4109.142908][ T73] netdev_get_by_index+0x5e/0x80 [ 4109.142908][ T73] fib6_nh_init+0x3d8/0x1580 [ 4109.142908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4109.142908][ T73] ip6_route_add+0x1c/0x140 [ 4109.142908][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4109.142908][ T73] addrconf_add_dev+0xe2/0x170 [ 4109.142908][ T73] inet6_addr_add+0x12f/0xa40 [ 4109.142908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4109.142908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.142908][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.142908][ T73] netlink_unicast+0x449/0x710 [ 4109.142908][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.142908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.142908][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.142908][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.142908][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.142908][ T73] [ 4109.145049][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4109.145049][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4109.145049][ T73] ipv6_find_idev+0x102/0x170 [ 4109.145049][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.145049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.145049][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.145049][ T73] netlink_unicast+0x449/0x710 [ 4109.145049][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.145049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.145049][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.145049][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.145049][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.145049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.145049][ T73] [ 4109.146777][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4109.146777][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4109.146777][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4109.146777][ T73] ipv6_find_idev+0x102/0x170 [ 4109.146777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4109.146777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4109.146777][ T73] netlink_rcv_skb+0x130/0x360 [ 4109.146777][ T73] netlink_unicast+0x449/0x710 [ 4109.146777][ T73] netlink_sendmsg+0x723/0xbe0 [ 4109.146777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4109.146777][ T73] ___sys_sendmsg+0xee/0x170 [ 4109.146777][ T73] __sys_sendmsg+0xcd/0x170 [ 4109.146777][ T73] do_syscall_64+0xc6/0x1e0 [ 4109.146777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4109.146777][ T73] [ 4119.174885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4119.175282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.175282][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4119.175282][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4119.175282][ T73] fib6_nh_init+0xa22/0x1580 [ 4119.175282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.175282][ T73] ip6_route_add+0x1c/0x140 [ 4119.175282][ T73] inet6_rtm_newroute+0x104/0x110 [ 4119.175282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.175282][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.175282][ T73] netlink_unicast+0x449/0x710 [ 4119.175282][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.175282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.175282][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.175282][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.175282][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.175282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.175282][ T73] [ 4119.177168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.177168][ T73] dst_init+0x84/0x4a0 [ 4119.177168][ T73] dst_alloc+0x97/0x150 [ 4119.177168][ T73] ip6_dst_alloc+0x23/0x90 [ 4119.177168][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4119.177168][ T73] ip6_pol_route+0x56f/0x840 [ 4119.177168][ T73] fib6_rule_lookup+0x456/0x630 [ 4119.177168][ T73] ip6_route_input+0x59c/0xa50 [ 4119.177168][ T73] ipv6_rcv+0x397/0x810 [ 4119.177168][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4119.177168][ T73] process_backlog+0x101/0x620 [ 4119.177168][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4119.177168][ T73] net_rx_action+0x495/0xbe0 [ 4119.177168][ T73] __do_softirq+0x1b5/0x7f6 [ 4119.177168][ T73] [ 4119.178826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.178826][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.178826][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.178826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.178826][ T73] ip6_route_add+0x1c/0x140 [ 4119.178826][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4119.178826][ T73] inet6_addr_add+0x4f8/0xa40 [ 4119.178826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.178826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.178826][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.178826][ T73] netlink_unicast+0x449/0x710 [ 4119.178826][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.178826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.178826][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.178826][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.178826][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.178826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.178826][ T73] [ 4119.180827][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.180827][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.180827][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.180827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.180827][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4119.180827][ T73] ipv6_add_addr+0x411/0x2000 [ 4119.180827][ T73] inet6_addr_add+0x30e/0xa40 [ 4119.180827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.180827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.180827][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.180827][ T73] netlink_unicast+0x449/0x710 [ 4119.180827][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.180827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.180827][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.180827][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.180827][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.180827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.180827][ T73] [ 4119.182837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.182837][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.182837][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.182837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.182837][ T73] ip6_route_add+0x1c/0x140 [ 4119.182837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4119.182837][ T73] addrconf_add_dev+0xe2/0x170 [ 4119.182837][ T73] inet6_addr_add+0x12f/0xa40 [ 4119.182837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.182837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.182837][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.182837][ T73] netlink_unicast+0x449/0x710 [ 4119.182837][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.182837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.182837][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.182837][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.182837][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.182837][ T73] [ 4119.184790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.184790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4119.184790][ T73] ipv6_find_idev+0x102/0x170 [ 4119.184790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.184790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.184790][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.184790][ T73] netlink_unicast+0x449/0x710 [ 4119.184790][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.184790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.184790][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.184790][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.184790][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.184790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.184790][ T73] [ 4119.186325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4119.186325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4119.186325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4119.186325][ T73] ipv6_find_idev+0x102/0x170 [ 4119.186325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.186325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.186325][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.186325][ T73] netlink_unicast+0x449/0x710 [ 4119.186325][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.186325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.186325][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.186325][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.186325][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.186325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.186325][ T73] [ 4119.188005][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4119.188276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.188276][ T73] dst_init+0x84/0x4a0 [ 4119.188276][ T73] dst_alloc+0x97/0x150 [ 4119.188276][ T73] ip6_dst_alloc+0x23/0x90 [ 4119.188276][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4119.188276][ T73] ip6_pol_route+0x56f/0x840 [ 4119.188276][ T73] fib6_rule_lookup+0x456/0x630 [ 4119.188276][ T73] ip6_route_input+0x59c/0xa50 [ 4119.188276][ T73] ipv6_rcv+0x397/0x810 [ 4119.188276][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4119.188276][ T73] process_backlog+0x101/0x620 [ 4119.188276][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4119.188276][ T73] net_rx_action+0x495/0xbe0 [ 4119.188276][ T73] __do_softirq+0x1b5/0x7f6 [ 4119.188276][ T73] [ 4119.189913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.189913][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.189913][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.189913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.189913][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4119.189913][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4119.189913][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4119.189913][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4119.189913][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4119.189913][ T73] addrconf_dad_begin+0x310/0x670 [ 4119.189913][ T73] addrconf_dad_work+0x10b/0xab0 [ 4119.189913][ T73] process_one_work+0x84d/0x18a0 [ 4119.189913][ T73] worker_thread+0x587/0xd30 [ 4119.189913][ T73] kthread+0x28a/0x350 [ 4119.189913][ T73] ret_from_fork+0x31/0x70 [ 4119.189913][ T73] ret_from_fork_asm+0x1a/0x30 [ 4119.189913][ T73] [ 4119.191835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.191835][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.191835][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.191835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.191835][ T73] ip6_route_add+0x1c/0x140 [ 4119.191835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4119.191835][ T73] inet6_addr_add+0x4f8/0xa40 [ 4119.191835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.191835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.191835][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.191835][ T73] netlink_unicast+0x449/0x710 [ 4119.191835][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.191835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.191835][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.191835][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.191835][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.191835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.191835][ T73] [ 4119.193817][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.193817][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.193817][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.193817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.193817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4119.193817][ T73] ipv6_add_addr+0x411/0x2000 [ 4119.193817][ T73] inet6_addr_add+0x30e/0xa40 [ 4119.193817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.193817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.193817][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.193817][ T73] netlink_unicast+0x449/0x710 [ 4119.193817][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.193817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.193817][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.193817][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.193817][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.193817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.193817][ T73] [ 4119.195808][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.195808][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.195808][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.195808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.195808][ T73] ip6_route_add+0x1c/0x140 [ 4119.195808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4119.195808][ T73] addrconf_add_dev+0xe2/0x170 [ 4119.195808][ T73] inet6_addr_add+0x12f/0xa40 [ 4119.195808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.195808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.195808][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.195808][ T73] netlink_unicast+0x449/0x710 [ 4119.195808][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.195808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.195808][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.195808][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.195808][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.195808][ T73] [ 4119.198287][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.198287][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4119.198287][ T73] ipv6_find_idev+0x102/0x170 [ 4119.198287][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.198287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.198287][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.198287][ T73] netlink_unicast+0x449/0x710 [ 4119.198287][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.198287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.198287][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.198287][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.198287][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.198287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.198287][ T73] [ 4119.199820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4119.199820][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4119.199820][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4119.199820][ T73] ipv6_find_idev+0x102/0x170 [ 4119.199820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.199820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.199820][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.199820][ T73] netlink_unicast+0x449/0x710 [ 4119.199820][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.199820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.199820][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.199820][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.199820][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.199820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.199820][ T73] [ 4119.201615][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4119.201956][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.201956][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4119.201956][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4119.201956][ T73] fib6_nh_init+0xa22/0x1580 [ 4119.201956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.201956][ T73] ip6_route_add+0x1c/0x140 [ 4119.201956][ T73] inet6_rtm_newroute+0x104/0x110 [ 4119.201956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.201956][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.201956][ T73] netlink_unicast+0x449/0x710 [ 4119.201956][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.201956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.201956][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.201956][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.201956][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.201956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.201956][ T73] [ 4119.203993][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.203993][ T73] dst_init+0x84/0x4a0 [ 4119.203993][ T73] dst_alloc+0x97/0x150 [ 4119.203993][ T73] ip6_dst_alloc+0x23/0x90 [ 4119.203993][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4119.203993][ T73] ip6_pol_route+0x56f/0x840 [ 4119.203993][ T73] fib6_rule_lookup+0x456/0x630 [ 4119.203993][ T73] ip6_route_input+0x59c/0xa50 [ 4119.203993][ T73] ipv6_rcv+0x397/0x810 [ 4119.203993][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4119.203993][ T73] process_backlog+0x101/0x620 [ 4119.203993][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4119.203993][ T73] net_rx_action+0x495/0xbe0 [ 4119.203993][ T73] __do_softirq+0x1b5/0x7f6 [ 4119.203993][ T73] [ 4119.205798][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.205798][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.205798][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.205798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.205798][ T73] ip6_route_add+0x1c/0x140 [ 4119.205798][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4119.205798][ T73] inet6_addr_add+0x4f8/0xa40 [ 4119.205798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.205798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.205798][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.205798][ T73] netlink_unicast+0x449/0x710 [ 4119.205798][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.205798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.205798][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.205798][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.205798][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.205798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.205798][ T73] [ 4119.208075][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.208075][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.208075][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.208075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.208075][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4119.208075][ T73] ipv6_add_addr+0x411/0x2000 [ 4119.208075][ T73] inet6_addr_add+0x30e/0xa40 [ 4119.208075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.208075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.208075][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.208075][ T73] netlink_unicast+0x449/0x710 [ 4119.208075][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.208075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.208075][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.208075][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.208075][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.208075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.208075][ T73] [ 4119.210250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.210250][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.210250][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.210250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.210250][ T73] ip6_route_add+0x1c/0x140 [ 4119.210250][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4119.210250][ T73] addrconf_add_dev+0xe2/0x170 [ 4119.210250][ T73] inet6_addr_add+0x12f/0xa40 [ 4119.210250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.210250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.210250][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.210250][ T73] netlink_unicast+0x449/0x710 [ 4119.210250][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.210250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.210250][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.210250][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.210250][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.210250][ T73] [ 4119.212443][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.212443][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4119.212443][ T73] ipv6_find_idev+0x102/0x170 [ 4119.212443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.212443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.212443][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.212443][ T73] netlink_unicast+0x449/0x710 [ 4119.212443][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.212443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.212443][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.212443][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.212443][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.212443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.212443][ T73] [ 4119.214165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4119.214165][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4119.214165][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4119.214165][ T73] ipv6_find_idev+0x102/0x170 [ 4119.214165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.214165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.214165][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.214165][ T73] netlink_unicast+0x449/0x710 [ 4119.214165][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.214165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.214165][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.214165][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.214165][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.214165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.214165][ T73] [ 4119.216100][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4119.216386][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4119.216386][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.216386][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.216386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.216386][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4119.216386][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4119.216386][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4119.216386][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4119.216386][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4119.216386][ T73] addrconf_dad_begin+0x310/0x670 [ 4119.216386][ T73] addrconf_dad_work+0x10b/0xab0 [ 4119.216386][ T73] process_one_work+0x84d/0x18a0 [ 4119.216386][ T73] worker_thread+0x587/0xd30 [ 4119.216386][ T73] kthread+0x28a/0x350 [ 4119.216386][ T73] ret_from_fork+0x31/0x70 [ 4119.216386][ T73] ret_from_fork_asm+0x1a/0x30 [ 4119.216386][ T73] [ 4119.218940][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4119.218940][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.218940][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.218940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.218940][ T73] ip6_route_add+0x1c/0x140 [ 4119.218940][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4119.218940][ T73] inet6_addr_add+0x4f8/0xa40 [ 4119.218940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.218940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.218940][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.218940][ T73] netlink_unicast+0x449/0x710 [ 4119.218940][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.218940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.218940][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.218940][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.218940][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.218940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.218940][ T73] [ 4119.221172][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4119.221172][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.221172][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.221172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.221172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4119.221172][ T73] ipv6_add_addr+0x411/0x2000 [ 4119.221172][ T73] inet6_addr_add+0x30e/0xa40 [ 4119.221172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.221172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.221172][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.221172][ T73] netlink_unicast+0x449/0x710 [ 4119.221172][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.221172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.221172][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.221172][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.221172][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.221172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.221172][ T73] [ 4119.223441][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4119.223441][ T73] netdev_get_by_index+0x5e/0x80 [ 4119.223441][ T73] fib6_nh_init+0x3d8/0x1580 [ 4119.223441][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4119.223441][ T73] ip6_route_add+0x1c/0x140 [ 4119.223441][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4119.223441][ T73] addrconf_add_dev+0xe2/0x170 [ 4119.223441][ T73] inet6_addr_add+0x12f/0xa40 [ 4119.223441][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4119.223441][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.223441][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.223441][ T73] netlink_unicast+0x449/0x710 [ 4119.223441][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.223441][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.223441][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.223441][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.223441][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.223441][ T73] [ 4119.225593][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4119.225593][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4119.225593][ T73] ipv6_find_idev+0x102/0x170 [ 4119.225593][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.225593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.225593][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.225593][ T73] netlink_unicast+0x449/0x710 [ 4119.225593][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.225593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.225593][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.225593][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.225593][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.225593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.225593][ T73] [ 4119.227383][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4119.227383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4119.227383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4119.227383][ T73] ipv6_find_idev+0x102/0x170 [ 4119.227383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4119.227383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4119.227383][ T73] netlink_rcv_skb+0x130/0x360 [ 4119.227383][ T73] netlink_unicast+0x449/0x710 [ 4119.227383][ T73] netlink_sendmsg+0x723/0xbe0 [ 4119.227383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4119.227383][ T73] ___sys_sendmsg+0xee/0x170 [ 4119.227383][ T73] __sys_sendmsg+0xcd/0x170 [ 4119.227383][ T73] do_syscall_64+0xc6/0x1e0 [ 4119.227383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4119.227383][ T73] [ 4129.478905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4129.479337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.479337][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4129.479337][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4129.479337][ T73] fib6_nh_init+0xa22/0x1580 [ 4129.479337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.479337][ T73] ip6_route_add+0x1c/0x140 [ 4129.479337][ T73] inet6_rtm_newroute+0x104/0x110 [ 4129.479337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.479337][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.479337][ T73] netlink_unicast+0x449/0x710 [ 4129.479337][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.479337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.479337][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.479337][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.479337][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.479337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.479337][ T73] [ 4129.481401][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.481401][ T73] dst_init+0x84/0x4a0 [ 4129.481401][ T73] dst_alloc+0x97/0x150 [ 4129.481401][ T73] ip6_dst_alloc+0x23/0x90 [ 4129.481401][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4129.481401][ T73] ip6_pol_route+0x56f/0x840 [ 4129.481401][ T73] fib6_rule_lookup+0x456/0x630 [ 4129.481401][ T73] ip6_route_input+0x59c/0xa50 [ 4129.481401][ T73] ipv6_rcv+0x397/0x810 [ 4129.481401][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4129.481401][ T73] process_backlog+0x101/0x620 [ 4129.481401][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4129.481401][ T73] net_rx_action+0x495/0xbe0 [ 4129.481401][ T73] __do_softirq+0x1b5/0x7f6 [ 4129.481401][ T73] [ 4129.483182][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.483182][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.483182][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.483182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.483182][ T73] ip6_route_add+0x1c/0x140 [ 4129.483182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4129.483182][ T73] inet6_addr_add+0x4f8/0xa40 [ 4129.483182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.483182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.483182][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.483182][ T73] netlink_unicast+0x449/0x710 [ 4129.483182][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.483182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.483182][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.483182][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.483182][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.483182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.483182][ T73] [ 4129.485367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.485367][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.485367][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.485367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.485367][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4129.485367][ T73] ipv6_add_addr+0x411/0x2000 [ 4129.485367][ T73] inet6_addr_add+0x30e/0xa40 [ 4129.485367][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.485367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.485367][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.485367][ T73] netlink_unicast+0x449/0x710 [ 4129.485367][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.485367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.485367][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.485367][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.485367][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.485367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.485367][ T73] [ 4129.487536][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.487536][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.487536][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.487536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.487536][ T73] ip6_route_add+0x1c/0x140 [ 4129.487536][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4129.487536][ T73] addrconf_add_dev+0xe2/0x170 [ 4129.487536][ T73] inet6_addr_add+0x12f/0xa40 [ 4129.487536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.487536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.487536][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.487536][ T73] netlink_unicast+0x449/0x710 [ 4129.487536][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.487536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.487536][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.487536][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.487536][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.487536][ T73] [ 4129.489659][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.489659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4129.489659][ T73] ipv6_find_idev+0x102/0x170 [ 4129.489659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.489659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.489659][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.489659][ T73] netlink_unicast+0x449/0x710 [ 4129.489659][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.489659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.489659][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.489659][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.489659][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.489659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.489659][ T73] [ 4129.491299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4129.491299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4129.491299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4129.491299][ T73] ipv6_find_idev+0x102/0x170 [ 4129.491299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.491299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.491299][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.491299][ T73] netlink_unicast+0x449/0x710 [ 4129.491299][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.491299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.491299][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.491299][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.491299][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.491299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.491299][ T73] [ 4129.493130][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4129.493429][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.493429][ T73] dst_init+0x84/0x4a0 [ 4129.493429][ T73] dst_alloc+0x97/0x150 [ 4129.493429][ T73] ip6_dst_alloc+0x23/0x90 [ 4129.493429][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4129.493429][ T73] ip6_pol_route+0x56f/0x840 [ 4129.493429][ T73] fib6_rule_lookup+0x456/0x630 [ 4129.493429][ T73] ip6_route_input+0x59c/0xa50 [ 4129.493429][ T73] ipv6_rcv+0x397/0x810 [ 4129.493429][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4129.493429][ T73] process_backlog+0x101/0x620 [ 4129.493429][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4129.493429][ T73] net_rx_action+0x495/0xbe0 [ 4129.493429][ T73] __do_softirq+0x1b5/0x7f6 [ 4129.493429][ T73] [ 4129.495199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.495199][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.495199][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.495199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.495199][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4129.495199][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4129.495199][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4129.495199][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4129.495199][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4129.495199][ T73] addrconf_dad_begin+0x310/0x670 [ 4129.495199][ T73] addrconf_dad_work+0x10b/0xab0 [ 4129.495199][ T73] process_one_work+0x84d/0x18a0 [ 4129.495199][ T73] worker_thread+0x587/0xd30 [ 4129.495199][ T73] kthread+0x28a/0x350 [ 4129.495199][ T73] ret_from_fork+0x31/0x70 [ 4129.495199][ T73] ret_from_fork_asm+0x1a/0x30 [ 4129.495199][ T73] [ 4129.497270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.497270][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.497270][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.497270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.497270][ T73] ip6_route_add+0x1c/0x140 [ 4129.497270][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4129.497270][ T73] inet6_addr_add+0x4f8/0xa40 [ 4129.497270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.497270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.497270][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.497270][ T73] netlink_unicast+0x449/0x710 [ 4129.497270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.497270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.497270][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.497270][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.497270][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.497270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.497270][ T73] [ 4129.499448][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.499448][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.499448][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.499448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.499448][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4129.499448][ T73] ipv6_add_addr+0x411/0x2000 [ 4129.499448][ T73] inet6_addr_add+0x30e/0xa40 [ 4129.499448][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.499448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.499448][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.499448][ T73] netlink_unicast+0x449/0x710 [ 4129.499448][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.499448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.499448][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.499448][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.499448][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.499448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.499448][ T73] [ 4129.501631][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.501631][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.501631][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.501631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.501631][ T73] ip6_route_add+0x1c/0x140 [ 4129.501631][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4129.501631][ T73] addrconf_add_dev+0xe2/0x170 [ 4129.501631][ T73] inet6_addr_add+0x12f/0xa40 [ 4129.501631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.501631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.501631][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.501631][ T73] netlink_unicast+0x449/0x710 [ 4129.501631][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.501631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.501631][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.501631][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.501631][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.501631][ T73] [ 4129.503624][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.503624][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4129.503624][ T73] ipv6_find_idev+0x102/0x170 [ 4129.503624][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.503624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.503624][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.503624][ T73] netlink_unicast+0x449/0x710 [ 4129.503624][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.503624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.503624][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.503624][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.503624][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.503624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.503624][ T73] [ 4129.505217][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4129.505217][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4129.505217][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4129.505217][ T73] ipv6_find_idev+0x102/0x170 [ 4129.505217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.505217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.505217][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.505217][ T73] netlink_unicast+0x449/0x710 [ 4129.505217][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.505217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.505217][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.505217][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.505217][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.505217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.505217][ T73] [ 4129.507015][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4129.507290][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.507290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4129.507290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4129.507290][ T73] fib6_nh_init+0xa22/0x1580 [ 4129.507290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.507290][ T73] ip6_route_add+0x1c/0x140 [ 4129.507290][ T73] inet6_rtm_newroute+0x104/0x110 [ 4129.507290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.507290][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.507290][ T73] netlink_unicast+0x449/0x710 [ 4129.507290][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.507290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.507290][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.507290][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.507290][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.507290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.507290][ T73] [ 4129.509402][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.509402][ T73] dst_init+0x84/0x4a0 [ 4129.509402][ T73] dst_alloc+0x97/0x150 [ 4129.509402][ T73] ip6_dst_alloc+0x23/0x90 [ 4129.509402][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4129.509402][ T73] ip6_pol_route+0x56f/0x840 [ 4129.509402][ T73] fib6_rule_lookup+0x456/0x630 [ 4129.509402][ T73] ip6_route_input+0x59c/0xa50 [ 4129.509402][ T73] ipv6_rcv+0x397/0x810 [ 4129.509402][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4129.509402][ T73] process_backlog+0x101/0x620 [ 4129.509402][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4129.509402][ T73] net_rx_action+0x495/0xbe0 [ 4129.509402][ T73] __do_softirq+0x1b5/0x7f6 [ 4129.509402][ T73] [ 4129.511229][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.511229][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.511229][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.511229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.511229][ T73] ip6_route_add+0x1c/0x140 [ 4129.511229][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4129.511229][ T73] inet6_addr_add+0x4f8/0xa40 [ 4129.511229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.511229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.511229][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.511229][ T73] netlink_unicast+0x449/0x710 [ 4129.511229][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.511229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.511229][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.511229][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.511229][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.511229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.511229][ T73] [ 4129.513509][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.513509][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.513509][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.513509][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.513509][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4129.513509][ T73] ipv6_add_addr+0x411/0x2000 [ 4129.513509][ T73] inet6_addr_add+0x30e/0xa40 [ 4129.513509][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.513509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.513509][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.513509][ T73] netlink_unicast+0x449/0x710 [ 4129.513509][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.513509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.513509][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.513509][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.513509][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.513509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.513509][ T73] [ 4129.515837][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.515837][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.515837][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.515837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.515837][ T73] ip6_route_add+0x1c/0x140 [ 4129.515837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4129.515837][ T73] addrconf_add_dev+0xe2/0x170 [ 4129.515837][ T73] inet6_addr_add+0x12f/0xa40 [ 4129.515837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.515837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.515837][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.515837][ T73] netlink_unicast+0x449/0x710 [ 4129.515837][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.515837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.515837][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.515837][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.515837][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.515837][ T73] [ 4129.518129][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.518129][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4129.518129][ T73] ipv6_find_idev+0x102/0x170 [ 4129.518129][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.518129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.518129][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.518129][ T73] netlink_unicast+0x449/0x710 [ 4129.518129][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.518129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.518129][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.518129][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.518129][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.518129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.518129][ T73] [ 4129.519874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4129.519874][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4129.519874][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4129.519874][ T73] ipv6_find_idev+0x102/0x170 [ 4129.519874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.519874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.519874][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.519874][ T73] netlink_unicast+0x449/0x710 [ 4129.519874][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.519874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.519874][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.519874][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.519874][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.519874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.519874][ T73] [ 4129.521770][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4129.522061][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4129.522061][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.522061][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.522061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.522061][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4129.522061][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4129.522061][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4129.522061][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4129.522061][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4129.522061][ T73] addrconf_dad_begin+0x310/0x670 [ 4129.522061][ T73] addrconf_dad_work+0x10b/0xab0 [ 4129.522061][ T73] process_one_work+0x84d/0x18a0 [ 4129.522061][ T73] worker_thread+0x587/0xd30 [ 4129.522061][ T73] kthread+0x28a/0x350 [ 4129.522061][ T73] ret_from_fork+0x31/0x70 [ 4129.522061][ T73] ret_from_fork_asm+0x1a/0x30 [ 4129.522061][ T73] [ 4129.524211][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4129.524211][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.524211][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.524211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.524211][ T73] ip6_route_add+0x1c/0x140 [ 4129.524211][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4129.524211][ T73] inet6_addr_add+0x4f8/0xa40 [ 4129.524211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.524211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.524211][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.524211][ T73] netlink_unicast+0x449/0x710 [ 4129.524211][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.524211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.524211][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.524211][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.524211][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.524211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.524211][ T73] [ 4129.526514][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4129.526514][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.526514][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.526514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.526514][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4129.526514][ T73] ipv6_add_addr+0x411/0x2000 [ 4129.526514][ T73] inet6_addr_add+0x30e/0xa40 [ 4129.526514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.526514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.526514][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.526514][ T73] netlink_unicast+0x449/0x710 [ 4129.526514][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.526514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.526514][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.526514][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.526514][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.526514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.526514][ T73] [ 4129.528749][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4129.528749][ T73] netdev_get_by_index+0x5e/0x80 [ 4129.528749][ T73] fib6_nh_init+0x3d8/0x1580 [ 4129.528749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4129.528749][ T73] ip6_route_add+0x1c/0x140 [ 4129.528749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4129.528749][ T73] addrconf_add_dev+0xe2/0x170 [ 4129.528749][ T73] inet6_addr_add+0x12f/0xa40 [ 4129.528749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4129.528749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.528749][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.528749][ T73] netlink_unicast+0x449/0x710 [ 4129.528749][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.528749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.528749][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.528749][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.528749][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.528749][ T73] [ 4129.530904][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4129.530904][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4129.530904][ T73] ipv6_find_idev+0x102/0x170 [ 4129.530904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.530904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.530904][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.530904][ T73] netlink_unicast+0x449/0x710 [ 4129.530904][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.530904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.530904][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.530904][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.530904][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.530904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.530904][ T73] [ 4129.532642][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4129.532642][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4129.532642][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4129.532642][ T73] ipv6_find_idev+0x102/0x170 [ 4129.532642][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4129.532642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4129.532642][ T73] netlink_rcv_skb+0x130/0x360 [ 4129.532642][ T73] netlink_unicast+0x449/0x710 [ 4129.532642][ T73] netlink_sendmsg+0x723/0xbe0 [ 4129.532642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4129.532642][ T73] ___sys_sendmsg+0xee/0x170 [ 4129.532642][ T73] __sys_sendmsg+0xcd/0x170 [ 4129.532642][ T73] do_syscall_64+0xc6/0x1e0 [ 4129.532642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4129.532642][ T73] [ 4139.838920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4139.839314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.839314][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4139.839314][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4139.839314][ T73] fib6_nh_init+0xa22/0x1580 [ 4139.839314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.839314][ T73] ip6_route_add+0x1c/0x140 [ 4139.839314][ T73] inet6_rtm_newroute+0x104/0x110 [ 4139.839314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.839314][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.839314][ T73] netlink_unicast+0x449/0x710 [ 4139.839314][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.839314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.839314][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.839314][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.839314][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.839314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.839314][ T73] [ 4139.841222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.841222][ T73] dst_init+0x84/0x4a0 [ 4139.841222][ T73] dst_alloc+0x97/0x150 [ 4139.841222][ T73] ip6_dst_alloc+0x23/0x90 [ 4139.841222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4139.841222][ T73] ip6_pol_route+0x56f/0x840 [ 4139.841222][ T73] fib6_rule_lookup+0x456/0x630 [ 4139.841222][ T73] ip6_route_input+0x59c/0xa50 [ 4139.841222][ T73] ipv6_rcv+0x397/0x810 [ 4139.841222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4139.841222][ T73] process_backlog+0x101/0x620 [ 4139.841222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4139.841222][ T73] net_rx_action+0x495/0xbe0 [ 4139.841222][ T73] __do_softirq+0x1b5/0x7f6 [ 4139.841222][ T73] [ 4139.842890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.842890][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.842890][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.842890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.842890][ T73] ip6_route_add+0x1c/0x140 [ 4139.842890][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4139.842890][ T73] inet6_addr_add+0x4f8/0xa40 [ 4139.842890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.842890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.842890][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.842890][ T73] netlink_unicast+0x449/0x710 [ 4139.842890][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.842890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.842890][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.842890][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.842890][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.842890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.842890][ T73] [ 4139.844912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.844912][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.844912][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.844912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.844912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4139.844912][ T73] ipv6_add_addr+0x411/0x2000 [ 4139.844912][ T73] inet6_addr_add+0x30e/0xa40 [ 4139.844912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.844912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.844912][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.844912][ T73] netlink_unicast+0x449/0x710 [ 4139.844912][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.844912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.844912][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.844912][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.844912][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.844912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.844912][ T73] [ 4139.846928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.846928][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.846928][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.846928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.846928][ T73] ip6_route_add+0x1c/0x140 [ 4139.846928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4139.846928][ T73] addrconf_add_dev+0xe2/0x170 [ 4139.846928][ T73] inet6_addr_add+0x12f/0xa40 [ 4139.846928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.846928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.846928][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.846928][ T73] netlink_unicast+0x449/0x710 [ 4139.846928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.846928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.846928][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.846928][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.846928][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.846928][ T73] [ 4139.848900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.848900][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4139.848900][ T73] ipv6_find_idev+0x102/0x170 [ 4139.848900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.848900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.848900][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.848900][ T73] netlink_unicast+0x449/0x710 [ 4139.848900][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.848900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.848900][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.848900][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.848900][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.848900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.848900][ T73] [ 4139.850451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4139.850451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4139.850451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4139.850451][ T73] ipv6_find_idev+0x102/0x170 [ 4139.850451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.850451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.850451][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.850451][ T73] netlink_unicast+0x449/0x710 [ 4139.850451][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.850451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.850451][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.850451][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.850451][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.850451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.850451][ T73] [ 4139.852134][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4139.852408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.852408][ T73] dst_init+0x84/0x4a0 [ 4139.852408][ T73] dst_alloc+0x97/0x150 [ 4139.852408][ T73] ip6_dst_alloc+0x23/0x90 [ 4139.852408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4139.852408][ T73] ip6_pol_route+0x56f/0x840 [ 4139.852408][ T73] fib6_rule_lookup+0x456/0x630 [ 4139.852408][ T73] ip6_route_input+0x59c/0xa50 [ 4139.852408][ T73] ipv6_rcv+0x397/0x810 [ 4139.852408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4139.852408][ T73] process_backlog+0x101/0x620 [ 4139.852408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4139.852408][ T73] net_rx_action+0x495/0xbe0 [ 4139.852408][ T73] __do_softirq+0x1b5/0x7f6 [ 4139.852408][ T73] [ 4139.854038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.854038][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.854038][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.854038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.854038][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4139.854038][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4139.854038][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4139.854038][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4139.854038][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4139.854038][ T73] addrconf_dad_begin+0x310/0x670 [ 4139.854038][ T73] addrconf_dad_work+0x10b/0xab0 [ 4139.854038][ T73] process_one_work+0x84d/0x18a0 [ 4139.854038][ T73] worker_thread+0x587/0xd30 [ 4139.854038][ T73] kthread+0x28a/0x350 [ 4139.854038][ T73] ret_from_fork+0x31/0x70 [ 4139.854038][ T73] ret_from_fork_asm+0x1a/0x30 [ 4139.854038][ T73] [ 4139.855936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.855936][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.855936][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.855936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.855936][ T73] ip6_route_add+0x1c/0x140 [ 4139.855936][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4139.855936][ T73] inet6_addr_add+0x4f8/0xa40 [ 4139.855936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.855936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.855936][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.855936][ T73] netlink_unicast+0x449/0x710 [ 4139.855936][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.855936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.855936][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.855936][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.855936][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.855936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.855936][ T73] [ 4139.857945][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.857945][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.857945][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.857945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.857945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4139.857945][ T73] ipv6_add_addr+0x411/0x2000 [ 4139.857945][ T73] inet6_addr_add+0x30e/0xa40 [ 4139.857945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.857945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.857945][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.857945][ T73] netlink_unicast+0x449/0x710 [ 4139.857945][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.857945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.857945][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.857945][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.857945][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.857945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.857945][ T73] [ 4139.859947][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.859947][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.859947][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.859947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.859947][ T73] ip6_route_add+0x1c/0x140 [ 4139.859947][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4139.859947][ T73] addrconf_add_dev+0xe2/0x170 [ 4139.859947][ T73] inet6_addr_add+0x12f/0xa40 [ 4139.859947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.859947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.859947][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.859947][ T73] netlink_unicast+0x449/0x710 [ 4139.859947][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.859947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.859947][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.859947][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.859947][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.859947][ T73] [ 4139.861935][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.861935][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4139.861935][ T73] ipv6_find_idev+0x102/0x170 [ 4139.861935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.861935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.861935][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.861935][ T73] netlink_unicast+0x449/0x710 [ 4139.861935][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.861935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.861935][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.861935][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.861935][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.861935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.861935][ T73] [ 4139.863487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4139.863487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4139.863487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4139.863487][ T73] ipv6_find_idev+0x102/0x170 [ 4139.863487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.863487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.863487][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.863487][ T73] netlink_unicast+0x449/0x710 [ 4139.863487][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.863487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.863487][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.863487][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.863487][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.863487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.863487][ T73] [ 4139.865311][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4139.865576][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.865576][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4139.865576][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4139.865576][ T73] fib6_nh_init+0xa22/0x1580 [ 4139.865576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.865576][ T73] ip6_route_add+0x1c/0x140 [ 4139.865576][ T73] inet6_rtm_newroute+0x104/0x110 [ 4139.865576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.865576][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.865576][ T73] netlink_unicast+0x449/0x710 [ 4139.865576][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.865576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.865576][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.865576][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.865576][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.865576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.865576][ T73] [ 4139.867707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.867707][ T73] dst_init+0x84/0x4a0 [ 4139.867707][ T73] dst_alloc+0x97/0x150 [ 4139.867707][ T73] ip6_dst_alloc+0x23/0x90 [ 4139.867707][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4139.867707][ T73] ip6_pol_route+0x56f/0x840 [ 4139.867707][ T73] fib6_rule_lookup+0x456/0x630 [ 4139.867707][ T73] ip6_route_input+0x59c/0xa50 [ 4139.867707][ T73] ipv6_rcv+0x397/0x810 [ 4139.867707][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4139.867707][ T73] process_backlog+0x101/0x620 [ 4139.867707][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4139.867707][ T73] net_rx_action+0x495/0xbe0 [ 4139.867707][ T73] __do_softirq+0x1b5/0x7f6 [ 4139.867707][ T73] [ 4139.869579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.869579][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.869579][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.869579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.869579][ T73] ip6_route_add+0x1c/0x140 [ 4139.869579][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4139.869579][ T73] inet6_addr_add+0x4f8/0xa40 [ 4139.869579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.869579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.869579][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.869579][ T73] netlink_unicast+0x449/0x710 [ 4139.869579][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.869579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.869579][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.869579][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.869579][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.869579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.869579][ T73] [ 4139.871879][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.871879][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.871879][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.871879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.871879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4139.871879][ T73] ipv6_add_addr+0x411/0x2000 [ 4139.871879][ T73] inet6_addr_add+0x30e/0xa40 [ 4139.871879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.871879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.871879][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.871879][ T73] netlink_unicast+0x449/0x710 [ 4139.871879][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.871879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.871879][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.871879][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.871879][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.871879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.871879][ T73] [ 4139.874053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.874053][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.874053][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.874053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.874053][ T73] ip6_route_add+0x1c/0x140 [ 4139.874053][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4139.874053][ T73] addrconf_add_dev+0xe2/0x170 [ 4139.874053][ T73] inet6_addr_add+0x12f/0xa40 [ 4139.874053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.874053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.874053][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.874053][ T73] netlink_unicast+0x449/0x710 [ 4139.874053][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.874053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.874053][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.874053][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.874053][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.874053][ T73] [ 4139.876274][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.876274][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4139.876274][ T73] ipv6_find_idev+0x102/0x170 [ 4139.876274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.876274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.876274][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.876274][ T73] netlink_unicast+0x449/0x710 [ 4139.876274][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.876274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.876274][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.876274][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.876274][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.876274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.876274][ T73] [ 4139.878006][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4139.878006][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4139.878006][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4139.878006][ T73] ipv6_find_idev+0x102/0x170 [ 4139.878006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.878006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.878006][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.878006][ T73] netlink_unicast+0x449/0x710 [ 4139.878006][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.878006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.878006][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.878006][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.878006][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.878006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.878006][ T73] [ 4139.879940][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4139.880237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4139.880237][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.880237][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.880237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.880237][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4139.880237][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4139.880237][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4139.880237][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4139.880237][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4139.880237][ T73] addrconf_dad_begin+0x310/0x670 [ 4139.880237][ T73] addrconf_dad_work+0x10b/0xab0 [ 4139.880237][ T73] process_one_work+0x84d/0x18a0 [ 4139.880237][ T73] worker_thread+0x587/0xd30 [ 4139.880237][ T73] kthread+0x28a/0x350 [ 4139.880237][ T73] ret_from_fork+0x31/0x70 [ 4139.880237][ T73] ret_from_fork_asm+0x1a/0x30 [ 4139.880237][ T73] [ 4139.882399][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4139.882399][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.882399][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.882399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.882399][ T73] ip6_route_add+0x1c/0x140 [ 4139.882399][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4139.882399][ T73] inet6_addr_add+0x4f8/0xa40 [ 4139.882399][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.882399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.882399][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.882399][ T73] netlink_unicast+0x449/0x710 [ 4139.882399][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.882399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.882399][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.882399][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.882399][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.882399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.882399][ T73] [ 4139.884650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4139.884650][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.884650][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.884650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.884650][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4139.884650][ T73] ipv6_add_addr+0x411/0x2000 [ 4139.884650][ T73] inet6_addr_add+0x30e/0xa40 [ 4139.884650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.884650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.884650][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.884650][ T73] netlink_unicast+0x449/0x710 [ 4139.884650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.884650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.884650][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.884650][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.884650][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.884650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.884650][ T73] [ 4139.886902][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4139.886902][ T73] netdev_get_by_index+0x5e/0x80 [ 4139.886902][ T73] fib6_nh_init+0x3d8/0x1580 [ 4139.886902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4139.886902][ T73] ip6_route_add+0x1c/0x140 [ 4139.886902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4139.886902][ T73] addrconf_add_dev+0xe2/0x170 [ 4139.886902][ T73] inet6_addr_add+0x12f/0xa40 [ 4139.886902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4139.886902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.886902][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.886902][ T73] netlink_unicast+0x449/0x710 [ 4139.886902][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.886902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.886902][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.886902][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.886902][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.886902][ T73] [ 4139.889110][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4139.889110][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4139.889110][ T73] ipv6_find_idev+0x102/0x170 [ 4139.889110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.889110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.889110][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.889110][ T73] netlink_unicast+0x449/0x710 [ 4139.889110][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.889110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.889110][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.889110][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.889110][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.889110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.889110][ T73] [ 4139.890842][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4139.890842][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4139.890842][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4139.890842][ T73] ipv6_find_idev+0x102/0x170 [ 4139.890842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4139.890842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4139.890842][ T73] netlink_rcv_skb+0x130/0x360 [ 4139.890842][ T73] netlink_unicast+0x449/0x710 [ 4139.890842][ T73] netlink_sendmsg+0x723/0xbe0 [ 4139.890842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4139.890842][ T73] ___sys_sendmsg+0xee/0x170 [ 4139.890842][ T73] __sys_sendmsg+0xcd/0x170 [ 4139.890842][ T73] do_syscall_64+0xc6/0x1e0 [ 4139.890842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4139.890842][ T73] [ 4150.142906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4150.143304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.143304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4150.143304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4150.143304][ T73] fib6_nh_init+0xa22/0x1580 [ 4150.143304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.143304][ T73] ip6_route_add+0x1c/0x140 [ 4150.143304][ T73] inet6_rtm_newroute+0x104/0x110 [ 4150.143304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.143304][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.143304][ T73] netlink_unicast+0x449/0x710 [ 4150.143304][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.143304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.143304][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.143304][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.143304][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.143304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.143304][ T73] [ 4150.145199][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.145199][ T73] dst_init+0x84/0x4a0 [ 4150.145199][ T73] dst_alloc+0x97/0x150 [ 4150.145199][ T73] ip6_dst_alloc+0x23/0x90 [ 4150.145199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4150.145199][ T73] ip6_pol_route+0x56f/0x840 [ 4150.145199][ T73] fib6_rule_lookup+0x456/0x630 [ 4150.145199][ T73] ip6_route_input+0x59c/0xa50 [ 4150.145199][ T73] ipv6_rcv+0x397/0x810 [ 4150.145199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4150.145199][ T73] process_backlog+0x101/0x620 [ 4150.145199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4150.145199][ T73] net_rx_action+0x495/0xbe0 [ 4150.145199][ T73] __do_softirq+0x1b5/0x7f6 [ 4150.145199][ T73] [ 4150.146850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.146850][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.146850][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.146850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.146850][ T73] ip6_route_add+0x1c/0x140 [ 4150.146850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4150.146850][ T73] inet6_addr_add+0x4f8/0xa40 [ 4150.146850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.146850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.146850][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.146850][ T73] netlink_unicast+0x449/0x710 [ 4150.146850][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.146850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.146850][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.146850][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.146850][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.146850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.146850][ T73] [ 4150.148908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.148908][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.148908][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.148908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.148908][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4150.148908][ T73] ipv6_add_addr+0x411/0x2000 [ 4150.148908][ T73] inet6_addr_add+0x30e/0xa40 [ 4150.148908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.148908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.148908][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.148908][ T73] netlink_unicast+0x449/0x710 [ 4150.148908][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.148908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.148908][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.148908][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.148908][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.148908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.148908][ T73] [ 4150.150951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.150951][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.150951][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.150951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.150951][ T73] ip6_route_add+0x1c/0x140 [ 4150.150951][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4150.150951][ T73] addrconf_add_dev+0xe2/0x170 [ 4150.150951][ T73] inet6_addr_add+0x12f/0xa40 [ 4150.150951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.150951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.150951][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.150951][ T73] netlink_unicast+0x449/0x710 [ 4150.150951][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.150951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.150951][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.150951][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.150951][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.150951][ T73] [ 4150.152934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.152934][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4150.152934][ T73] ipv6_find_idev+0x102/0x170 [ 4150.152934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.152934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.152934][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.152934][ T73] netlink_unicast+0x449/0x710 [ 4150.152934][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.152934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.152934][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.152934][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.152934][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.152934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.152934][ T73] [ 4150.154472][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4150.154472][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4150.154472][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4150.154472][ T73] ipv6_find_idev+0x102/0x170 [ 4150.154472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.154472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.154472][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.154472][ T73] netlink_unicast+0x449/0x710 [ 4150.154472][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.154472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.154472][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.154472][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.154472][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.154472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.154472][ T73] [ 4150.156158][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4150.156993][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.156993][ T73] dst_init+0x84/0x4a0 [ 4150.156993][ T73] dst_alloc+0x97/0x150 [ 4150.156993][ T73] ip6_dst_alloc+0x23/0x90 [ 4150.156993][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4150.156993][ T73] ip6_pol_route+0x56f/0x840 [ 4150.156993][ T73] fib6_rule_lookup+0x456/0x630 [ 4150.156993][ T73] ip6_route_input+0x59c/0xa50 [ 4150.156993][ T73] ipv6_rcv+0x397/0x810 [ 4150.156993][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4150.156993][ T73] process_backlog+0x101/0x620 [ 4150.156993][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4150.156993][ T73] net_rx_action+0x495/0xbe0 [ 4150.156993][ T73] __do_softirq+0x1b5/0x7f6 [ 4150.156993][ T73] [ 4150.158646][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.158646][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.158646][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.158646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.158646][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4150.158646][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4150.158646][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4150.158646][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4150.158646][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4150.158646][ T73] addrconf_dad_begin+0x310/0x670 [ 4150.158646][ T73] addrconf_dad_work+0x10b/0xab0 [ 4150.158646][ T73] process_one_work+0x84d/0x18a0 [ 4150.158646][ T73] worker_thread+0x587/0xd30 [ 4150.158646][ T73] kthread+0x28a/0x350 [ 4150.158646][ T73] ret_from_fork+0x31/0x70 [ 4150.158646][ T73] ret_from_fork_asm+0x1a/0x30 [ 4150.158646][ T73] [ 4150.160570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.160570][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.160570][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.160570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.160570][ T73] ip6_route_add+0x1c/0x140 [ 4150.160570][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4150.160570][ T73] inet6_addr_add+0x4f8/0xa40 [ 4150.160570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.160570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.160570][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.160570][ T73] netlink_unicast+0x449/0x710 [ 4150.160570][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.160570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.160570][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.160570][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.160570][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.160570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.160570][ T73] [ 4150.162599][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.162599][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.162599][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.162599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.162599][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4150.162599][ T73] ipv6_add_addr+0x411/0x2000 [ 4150.162599][ T73] inet6_addr_add+0x30e/0xa40 [ 4150.162599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.162599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.162599][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.162599][ T73] netlink_unicast+0x449/0x710 [ 4150.162599][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.162599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.162599][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.162599][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.162599][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.162599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.162599][ T73] [ 4150.164607][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.164607][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.164607][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.164607][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.164607][ T73] ip6_route_add+0x1c/0x140 [ 4150.164607][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4150.164607][ T73] addrconf_add_dev+0xe2/0x170 [ 4150.164607][ T73] inet6_addr_add+0x12f/0xa40 [ 4150.164607][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.164607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.164607][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.164607][ T73] netlink_unicast+0x449/0x710 [ 4150.164607][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.164607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.164607][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.164607][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.164607][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.164607][ T73] [ 4150.166610][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.166610][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4150.166610][ T73] ipv6_find_idev+0x102/0x170 [ 4150.166610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.166610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.166610][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.166610][ T73] netlink_unicast+0x449/0x710 [ 4150.166610][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.166610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.166610][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.166610][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.166610][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.166610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.166610][ T73] [ 4150.168162][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4150.168162][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4150.168162][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4150.168162][ T73] ipv6_find_idev+0x102/0x170 [ 4150.168162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.168162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.168162][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.168162][ T73] netlink_unicast+0x449/0x710 [ 4150.168162][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.168162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.168162][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.168162][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.168162][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.168162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.168162][ T73] [ 4150.169986][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4150.170254][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.170254][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4150.170254][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4150.170254][ T73] fib6_nh_init+0xa22/0x1580 [ 4150.170254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.170254][ T73] ip6_route_add+0x1c/0x140 [ 4150.170254][ T73] inet6_rtm_newroute+0x104/0x110 [ 4150.170254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.170254][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.170254][ T73] netlink_unicast+0x449/0x710 [ 4150.170254][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.170254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.170254][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.170254][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.170254][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.170254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.170254][ T73] [ 4150.172783][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.172783][ T73] dst_init+0x84/0x4a0 [ 4150.172783][ T73] dst_alloc+0x97/0x150 [ 4150.172783][ T73] ip6_dst_alloc+0x23/0x90 [ 4150.172783][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4150.172783][ T73] ip6_pol_route+0x56f/0x840 [ 4150.172783][ T73] fib6_rule_lookup+0x456/0x630 [ 4150.172783][ T73] ip6_route_input+0x59c/0xa50 [ 4150.172783][ T73] ipv6_rcv+0x397/0x810 [ 4150.172783][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4150.172783][ T73] process_backlog+0x101/0x620 [ 4150.172783][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4150.172783][ T73] net_rx_action+0x495/0xbe0 [ 4150.172783][ T73] __do_softirq+0x1b5/0x7f6 [ 4150.172783][ T73] [ 4150.174589][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.174589][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.174589][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.174589][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.174589][ T73] ip6_route_add+0x1c/0x140 [ 4150.174589][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4150.174589][ T73] inet6_addr_add+0x4f8/0xa40 [ 4150.174589][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.174589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.174589][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.174589][ T73] netlink_unicast+0x449/0x710 [ 4150.174589][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.174589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.174589][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.174589][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.174589][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.174589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.174589][ T73] [ 4150.176843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.176843][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.176843][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.176843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.176843][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4150.176843][ T73] ipv6_add_addr+0x411/0x2000 [ 4150.176843][ T73] inet6_addr_add+0x30e/0xa40 [ 4150.176843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.176843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.176843][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.176843][ T73] netlink_unicast+0x449/0x710 [ 4150.176843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.176843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.176843][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.176843][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.176843][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.176843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.176843][ T73] [ 4150.179163][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.179163][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.179163][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.179163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.179163][ T73] ip6_route_add+0x1c/0x140 [ 4150.179163][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4150.179163][ T73] addrconf_add_dev+0xe2/0x170 [ 4150.179163][ T73] inet6_addr_add+0x12f/0xa40 [ 4150.179163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.179163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.179163][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.179163][ T73] netlink_unicast+0x449/0x710 [ 4150.179163][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.179163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.179163][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.179163][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.179163][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.179163][ T73] [ 4150.181395][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.181395][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4150.181395][ T73] ipv6_find_idev+0x102/0x170 [ 4150.181395][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.181395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.181395][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.181395][ T73] netlink_unicast+0x449/0x710 [ 4150.181395][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.181395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.181395][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.181395][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.181395][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.181395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.181395][ T73] [ 4150.183062][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4150.183062][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4150.183062][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4150.183062][ T73] ipv6_find_idev+0x102/0x170 [ 4150.183062][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.183062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.183062][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.183062][ T73] netlink_unicast+0x449/0x710 [ 4150.183062][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.183062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.183062][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.183062][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.183062][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.183062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.183062][ T73] [ 4150.185001][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4150.185286][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4150.185286][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.185286][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.185286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.185286][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4150.185286][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4150.185286][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4150.185286][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4150.185286][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4150.185286][ T73] addrconf_dad_begin+0x310/0x670 [ 4150.185286][ T73] addrconf_dad_work+0x10b/0xab0 [ 4150.185286][ T73] process_one_work+0x84d/0x18a0 [ 4150.185286][ T73] worker_thread+0x587/0xd30 [ 4150.185286][ T73] kthread+0x28a/0x350 [ 4150.185286][ T73] ret_from_fork+0x31/0x70 [ 4150.185286][ T73] ret_from_fork_asm+0x1a/0x30 [ 4150.185286][ T73] [ 4150.187448][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4150.187448][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.187448][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.187448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.187448][ T73] ip6_route_add+0x1c/0x140 [ 4150.187448][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4150.187448][ T73] inet6_addr_add+0x4f8/0xa40 [ 4150.187448][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.187448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.187448][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.187448][ T73] netlink_unicast+0x449/0x710 [ 4150.187448][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.187448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.187448][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.187448][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.187448][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.187448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.187448][ T73] [ 4150.189757][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4150.189757][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.189757][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.189757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.189757][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4150.189757][ T73] ipv6_add_addr+0x411/0x2000 [ 4150.189757][ T73] inet6_addr_add+0x30e/0xa40 [ 4150.189757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.189757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.189757][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.189757][ T73] netlink_unicast+0x449/0x710 [ 4150.189757][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.189757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.189757][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.189757][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.189757][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.189757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.189757][ T73] [ 4150.191928][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4150.191928][ T73] netdev_get_by_index+0x5e/0x80 [ 4150.191928][ T73] fib6_nh_init+0x3d8/0x1580 [ 4150.191928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4150.191928][ T73] ip6_route_add+0x1c/0x140 [ 4150.191928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4150.191928][ T73] addrconf_add_dev+0xe2/0x170 [ 4150.191928][ T73] inet6_addr_add+0x12f/0xa40 [ 4150.191928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4150.191928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.191928][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.191928][ T73] netlink_unicast+0x449/0x710 [ 4150.191928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.191928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.191928][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.191928][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.191928][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.191928][ T73] [ 4150.194120][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4150.194120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4150.194120][ T73] ipv6_find_idev+0x102/0x170 [ 4150.194120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.194120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.194120][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.194120][ T73] netlink_unicast+0x449/0x710 [ 4150.194120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.194120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.194120][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.194120][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.194120][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.194120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.194120][ T73] [ 4150.195852][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4150.195852][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4150.195852][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4150.195852][ T73] ipv6_find_idev+0x102/0x170 [ 4150.195852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4150.195852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4150.195852][ T73] netlink_rcv_skb+0x130/0x360 [ 4150.195852][ T73] netlink_unicast+0x449/0x710 [ 4150.195852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4150.195852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4150.195852][ T73] ___sys_sendmsg+0xee/0x170 [ 4150.195852][ T73] __sys_sendmsg+0xcd/0x170 [ 4150.195852][ T73] do_syscall_64+0xc6/0x1e0 [ 4150.195852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4150.195852][ T73] [ 4160.199029][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4160.199820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.199820][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4160.199820][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4160.199820][ T73] fib6_nh_init+0xa22/0x1580 [ 4160.199820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.199820][ T73] ip6_route_add+0x1c/0x140 [ 4160.199820][ T73] inet6_rtm_newroute+0x104/0x110 [ 4160.199820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.199820][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.199820][ T73] netlink_unicast+0x449/0x710 [ 4160.199820][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.199820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.199820][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.199820][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.199820][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.199820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.199820][ T73] [ 4160.201850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.201850][ T73] dst_init+0x84/0x4a0 [ 4160.201850][ T73] dst_alloc+0x97/0x150 [ 4160.201850][ T73] ip6_dst_alloc+0x23/0x90 [ 4160.201850][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4160.201850][ T73] ip6_pol_route+0x56f/0x840 [ 4160.201850][ T73] fib6_rule_lookup+0x456/0x630 [ 4160.201850][ T73] ip6_route_input+0x59c/0xa50 [ 4160.201850][ T73] ipv6_rcv+0x397/0x810 [ 4160.201850][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4160.201850][ T73] process_backlog+0x101/0x620 [ 4160.201850][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4160.201850][ T73] net_rx_action+0x495/0xbe0 [ 4160.201850][ T73] __do_softirq+0x1b5/0x7f6 [ 4160.201850][ T73] [ 4160.203482][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.203482][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.203482][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.203482][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.203482][ T73] ip6_route_add+0x1c/0x140 [ 4160.203482][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4160.203482][ T73] inet6_addr_add+0x4f8/0xa40 [ 4160.203482][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.203482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.203482][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.203482][ T73] netlink_unicast+0x449/0x710 [ 4160.203482][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.203482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.203482][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.203482][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.203482][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.203482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.203482][ T73] [ 4160.205476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.205476][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.205476][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.205476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.205476][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4160.205476][ T73] ipv6_add_addr+0x411/0x2000 [ 4160.205476][ T73] inet6_addr_add+0x30e/0xa40 [ 4160.205476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.205476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.205476][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.205476][ T73] netlink_unicast+0x449/0x710 [ 4160.205476][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.205476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.205476][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.205476][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.205476][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.205476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.205476][ T73] [ 4160.207476][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.207476][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.207476][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.207476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.207476][ T73] ip6_route_add+0x1c/0x140 [ 4160.207476][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4160.207476][ T73] addrconf_add_dev+0xe2/0x170 [ 4160.207476][ T73] inet6_addr_add+0x12f/0xa40 [ 4160.207476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.207476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.207476][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.207476][ T73] netlink_unicast+0x449/0x710 [ 4160.207476][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.207476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.207476][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.207476][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.207476][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.207476][ T73] [ 4160.209461][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.209461][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4160.209461][ T73] ipv6_find_idev+0x102/0x170 [ 4160.209461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.209461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.209461][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.209461][ T73] netlink_unicast+0x449/0x710 [ 4160.209461][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.209461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.209461][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.209461][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.209461][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.209461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.209461][ T73] [ 4160.211008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4160.211008][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4160.211008][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4160.211008][ T73] ipv6_find_idev+0x102/0x170 [ 4160.211008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.211008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.211008][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.211008][ T73] netlink_unicast+0x449/0x710 [ 4160.211008][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.211008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.211008][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.211008][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.211008][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.211008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.211008][ T73] [ 4160.212702][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4160.212987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.212987][ T73] dst_init+0x84/0x4a0 [ 4160.212987][ T73] dst_alloc+0x97/0x150 [ 4160.212987][ T73] ip6_dst_alloc+0x23/0x90 [ 4160.212987][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4160.212987][ T73] ip6_pol_route+0x56f/0x840 [ 4160.212987][ T73] fib6_rule_lookup+0x456/0x630 [ 4160.212987][ T73] ip6_route_input+0x59c/0xa50 [ 4160.212987][ T73] ipv6_rcv+0x397/0x810 [ 4160.212987][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4160.212987][ T73] process_backlog+0x101/0x620 [ 4160.212987][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4160.212987][ T73] net_rx_action+0x495/0xbe0 [ 4160.212987][ T73] __do_softirq+0x1b5/0x7f6 [ 4160.212987][ T73] [ 4160.214612][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.214612][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.214612][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.214612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.214612][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4160.214612][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4160.214612][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4160.214612][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4160.214612][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4160.214612][ T73] addrconf_dad_begin+0x310/0x670 [ 4160.214612][ T73] addrconf_dad_work+0x10b/0xab0 [ 4160.214612][ T73] process_one_work+0x84d/0x18a0 [ 4160.214612][ T73] worker_thread+0x587/0xd30 [ 4160.214612][ T73] kthread+0x28a/0x350 [ 4160.214612][ T73] ret_from_fork+0x31/0x70 [ 4160.214612][ T73] ret_from_fork_asm+0x1a/0x30 [ 4160.214612][ T73] [ 4160.216508][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.216508][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.216508][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.216508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.216508][ T73] ip6_route_add+0x1c/0x140 [ 4160.216508][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4160.216508][ T73] inet6_addr_add+0x4f8/0xa40 [ 4160.216508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.216508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.216508][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.216508][ T73] netlink_unicast+0x449/0x710 [ 4160.216508][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.216508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.216508][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.216508][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.216508][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.216508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.216508][ T73] [ 4160.218488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.218488][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.218488][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.218488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.218488][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4160.218488][ T73] ipv6_add_addr+0x411/0x2000 [ 4160.218488][ T73] inet6_addr_add+0x30e/0xa40 [ 4160.218488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.218488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.218488][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.218488][ T73] netlink_unicast+0x449/0x710 [ 4160.218488][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.218488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.218488][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.218488][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.218488][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.218488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.218488][ T73] [ 4160.220559][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.220559][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.220559][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.220559][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.220559][ T73] ip6_route_add+0x1c/0x140 [ 4160.220559][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4160.220559][ T73] addrconf_add_dev+0xe2/0x170 [ 4160.220559][ T73] inet6_addr_add+0x12f/0xa40 [ 4160.220559][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.220559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.220559][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.220559][ T73] netlink_unicast+0x449/0x710 [ 4160.220559][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.220559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.220559][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.220559][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.220559][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.220559][ T73] [ 4160.222525][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.222525][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4160.222525][ T73] ipv6_find_idev+0x102/0x170 [ 4160.222525][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.222525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.222525][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.222525][ T73] netlink_unicast+0x449/0x710 [ 4160.222525][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.222525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.222525][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.222525][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.222525][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.222525][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.222525][ T73] [ 4160.224060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4160.224060][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4160.224060][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4160.224060][ T73] ipv6_find_idev+0x102/0x170 [ 4160.224060][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.224060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.224060][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.224060][ T73] netlink_unicast+0x449/0x710 [ 4160.224060][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.224060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.224060][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.224060][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.224060][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.224060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.224060][ T73] [ 4160.225862][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4160.226186][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.226186][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4160.226186][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4160.226186][ T73] fib6_nh_init+0xa22/0x1580 [ 4160.226186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.226186][ T73] ip6_route_add+0x1c/0x140 [ 4160.226186][ T73] inet6_rtm_newroute+0x104/0x110 [ 4160.226186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.226186][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.226186][ T73] netlink_unicast+0x449/0x710 [ 4160.226186][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.226186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.226186][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.226186][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.226186][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.226186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.226186][ T73] [ 4160.228301][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.228301][ T73] dst_init+0x84/0x4a0 [ 4160.228301][ T73] dst_alloc+0x97/0x150 [ 4160.228301][ T73] ip6_dst_alloc+0x23/0x90 [ 4160.228301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4160.228301][ T73] ip6_pol_route+0x56f/0x840 [ 4160.228301][ T73] fib6_rule_lookup+0x456/0x630 [ 4160.228301][ T73] ip6_route_input+0x59c/0xa50 [ 4160.228301][ T73] ipv6_rcv+0x397/0x810 [ 4160.228301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4160.228301][ T73] process_backlog+0x101/0x620 [ 4160.228301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4160.228301][ T73] net_rx_action+0x495/0xbe0 [ 4160.228301][ T73] __do_softirq+0x1b5/0x7f6 [ 4160.228301][ T73] [ 4160.230107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.230107][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.230107][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.230107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.230107][ T73] ip6_route_add+0x1c/0x140 [ 4160.230107][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4160.230107][ T73] inet6_addr_add+0x4f8/0xa40 [ 4160.230107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.230107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.230107][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.230107][ T73] netlink_unicast+0x449/0x710 [ 4160.230107][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.230107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.230107][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.230107][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.230107][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.230107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.230107][ T73] [ 4160.232366][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.232366][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.232366][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.232366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.232366][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4160.232366][ T73] ipv6_add_addr+0x411/0x2000 [ 4160.232366][ T73] inet6_addr_add+0x30e/0xa40 [ 4160.232366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.232366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.232366][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.232366][ T73] netlink_unicast+0x449/0x710 [ 4160.232366][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.232366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.232366][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.232366][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.232366][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.232366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.232366][ T73] [ 4160.234627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.234627][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.234627][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.234627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.234627][ T73] ip6_route_add+0x1c/0x140 [ 4160.234627][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4160.234627][ T73] addrconf_add_dev+0xe2/0x170 [ 4160.234627][ T73] inet6_addr_add+0x12f/0xa40 [ 4160.234627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.234627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.234627][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.234627][ T73] netlink_unicast+0x449/0x710 [ 4160.234627][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.234627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.234627][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.234627][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.234627][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.234627][ T73] [ 4160.236921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.236921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4160.236921][ T73] ipv6_find_idev+0x102/0x170 [ 4160.236921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.236921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.236921][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.236921][ T73] netlink_unicast+0x449/0x710 [ 4160.236921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.236921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.236921][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.236921][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.236921][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.236921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.236921][ T73] [ 4160.238635][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4160.238635][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4160.238635][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4160.238635][ T73] ipv6_find_idev+0x102/0x170 [ 4160.238635][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.238635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.238635][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.238635][ T73] netlink_unicast+0x449/0x710 [ 4160.238635][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.238635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.238635][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.238635][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.238635][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.238635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.238635][ T73] [ 4160.240534][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4160.240804][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4160.240804][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.240804][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.240804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.240804][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4160.240804][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4160.240804][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4160.240804][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4160.240804][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4160.240804][ T73] addrconf_dad_begin+0x310/0x670 [ 4160.240804][ T73] addrconf_dad_work+0x10b/0xab0 [ 4160.240804][ T73] process_one_work+0x84d/0x18a0 [ 4160.240804][ T73] worker_thread+0x587/0xd30 [ 4160.240804][ T73] kthread+0x28a/0x350 [ 4160.240804][ T73] ret_from_fork+0x31/0x70 [ 4160.240804][ T73] ret_from_fork_asm+0x1a/0x30 [ 4160.240804][ T73] [ 4160.242961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4160.242961][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.242961][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.242961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.242961][ T73] ip6_route_add+0x1c/0x140 [ 4160.242961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4160.242961][ T73] inet6_addr_add+0x4f8/0xa40 [ 4160.242961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.242961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.242961][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.242961][ T73] netlink_unicast+0x449/0x710 [ 4160.242961][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.242961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.242961][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.242961][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.242961][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.242961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.242961][ T73] [ 4160.245705][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4160.245705][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.245705][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.245705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.245705][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4160.245705][ T73] ipv6_add_addr+0x411/0x2000 [ 4160.245705][ T73] inet6_addr_add+0x30e/0xa40 [ 4160.245705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.245705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.245705][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.245705][ T73] netlink_unicast+0x449/0x710 [ 4160.245705][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.245705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.245705][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.245705][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.245705][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.245705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.245705][ T73] [ 4160.247995][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4160.247995][ T73] netdev_get_by_index+0x5e/0x80 [ 4160.247995][ T73] fib6_nh_init+0x3d8/0x1580 [ 4160.247995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4160.247995][ T73] ip6_route_add+0x1c/0x140 [ 4160.247995][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4160.247995][ T73] addrconf_add_dev+0xe2/0x170 [ 4160.247995][ T73] inet6_addr_add+0x12f/0xa40 [ 4160.247995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4160.247995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.247995][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.247995][ T73] netlink_unicast+0x449/0x710 [ 4160.247995][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.247995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.247995][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.247995][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.247995][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.247995][ T73] [ 4160.250122][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4160.250122][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4160.250122][ T73] ipv6_find_idev+0x102/0x170 [ 4160.250122][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.250122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.250122][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.250122][ T73] netlink_unicast+0x449/0x710 [ 4160.250122][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.250122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.250122][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.250122][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.250122][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.250122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.250122][ T73] [ 4160.251836][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4160.251836][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4160.251836][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4160.251836][ T73] ipv6_find_idev+0x102/0x170 [ 4160.251836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4160.251836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4160.251836][ T73] netlink_rcv_skb+0x130/0x360 [ 4160.251836][ T73] netlink_unicast+0x449/0x710 [ 4160.251836][ T73] netlink_sendmsg+0x723/0xbe0 [ 4160.251836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4160.251836][ T73] ___sys_sendmsg+0xee/0x170 [ 4160.251836][ T73] __sys_sendmsg+0xcd/0x170 [ 4160.251836][ T73] do_syscall_64+0xc6/0x1e0 [ 4160.251836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4160.251836][ T73] [ 4170.374831][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4170.375216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.375216][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4170.375216][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4170.375216][ T73] fib6_nh_init+0xa22/0x1580 [ 4170.375216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.375216][ T73] ip6_route_add+0x1c/0x140 [ 4170.375216][ T73] inet6_rtm_newroute+0x104/0x110 [ 4170.375216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.375216][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.375216][ T73] netlink_unicast+0x449/0x710 [ 4170.375216][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.375216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.375216][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.375216][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.375216][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.375216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.375216][ T73] [ 4170.377109][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.377109][ T73] dst_init+0x84/0x4a0 [ 4170.377109][ T73] dst_alloc+0x97/0x150 [ 4170.377109][ T73] ip6_dst_alloc+0x23/0x90 [ 4170.377109][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4170.377109][ T73] ip6_pol_route+0x56f/0x840 [ 4170.377109][ T73] fib6_rule_lookup+0x456/0x630 [ 4170.377109][ T73] ip6_route_input+0x59c/0xa50 [ 4170.377109][ T73] ipv6_rcv+0x397/0x810 [ 4170.377109][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4170.377109][ T73] process_backlog+0x101/0x620 [ 4170.377109][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4170.377109][ T73] net_rx_action+0x495/0xbe0 [ 4170.377109][ T73] __do_softirq+0x1b5/0x7f6 [ 4170.377109][ T73] [ 4170.378740][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.378740][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.378740][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.378740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.378740][ T73] ip6_route_add+0x1c/0x140 [ 4170.378740][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4170.378740][ T73] inet6_addr_add+0x4f8/0xa40 [ 4170.378740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.378740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.378740][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.378740][ T73] netlink_unicast+0x449/0x710 [ 4170.378740][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.378740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.378740][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.378740][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.378740][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.378740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.378740][ T73] [ 4170.380736][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.380736][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.380736][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.380736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.380736][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4170.380736][ T73] ipv6_add_addr+0x411/0x2000 [ 4170.380736][ T73] inet6_addr_add+0x30e/0xa40 [ 4170.380736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.380736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.380736][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.380736][ T73] netlink_unicast+0x449/0x710 [ 4170.380736][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.380736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.380736][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.380736][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.380736][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.380736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.380736][ T73] [ 4170.382729][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.382729][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.382729][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.382729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.382729][ T73] ip6_route_add+0x1c/0x140 [ 4170.382729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4170.382729][ T73] addrconf_add_dev+0xe2/0x170 [ 4170.382729][ T73] inet6_addr_add+0x12f/0xa40 [ 4170.382729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.382729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.382729][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.382729][ T73] netlink_unicast+0x449/0x710 [ 4170.382729][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.382729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.382729][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.382729][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.382729][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.382729][ T73] [ 4170.384708][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.384708][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4170.384708][ T73] ipv6_find_idev+0x102/0x170 [ 4170.384708][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.384708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.384708][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.384708][ T73] netlink_unicast+0x449/0x710 [ 4170.384708][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.384708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.384708][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.384708][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.384708][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.384708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.384708][ T73] [ 4170.386240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4170.386240][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4170.386240][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4170.386240][ T73] ipv6_find_idev+0x102/0x170 [ 4170.386240][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.386240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.386240][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.386240][ T73] netlink_unicast+0x449/0x710 [ 4170.386240][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.386240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.386240][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.386240][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.386240][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.386240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.386240][ T73] [ 4170.387921][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4170.388191][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.388191][ T73] dst_init+0x84/0x4a0 [ 4170.388191][ T73] dst_alloc+0x97/0x150 [ 4170.388191][ T73] ip6_dst_alloc+0x23/0x90 [ 4170.388191][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4170.388191][ T73] ip6_pol_route+0x56f/0x840 [ 4170.388191][ T73] fib6_rule_lookup+0x456/0x630 [ 4170.388191][ T73] ip6_route_input+0x59c/0xa50 [ 4170.388191][ T73] ipv6_rcv+0x397/0x810 [ 4170.388191][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4170.388191][ T73] process_backlog+0x101/0x620 [ 4170.388191][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4170.388191][ T73] net_rx_action+0x495/0xbe0 [ 4170.388191][ T73] __do_softirq+0x1b5/0x7f6 [ 4170.388191][ T73] [ 4170.389825][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.389825][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.389825][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.389825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.389825][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4170.389825][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4170.389825][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4170.389825][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4170.389825][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4170.389825][ T73] addrconf_dad_begin+0x310/0x670 [ 4170.389825][ T73] addrconf_dad_work+0x10b/0xab0 [ 4170.389825][ T73] process_one_work+0x84d/0x18a0 [ 4170.389825][ T73] worker_thread+0x587/0xd30 [ 4170.389825][ T73] kthread+0x28a/0x350 [ 4170.389825][ T73] ret_from_fork+0x31/0x70 [ 4170.389825][ T73] ret_from_fork_asm+0x1a/0x30 [ 4170.389825][ T73] [ 4170.391739][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.391739][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.391739][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.391739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.391739][ T73] ip6_route_add+0x1c/0x140 [ 4170.391739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4170.391739][ T73] inet6_addr_add+0x4f8/0xa40 [ 4170.391739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.391739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.391739][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.391739][ T73] netlink_unicast+0x449/0x710 [ 4170.391739][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.391739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.391739][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.391739][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.391739][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.391739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.391739][ T73] [ 4170.393727][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.393727][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.393727][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.393727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.393727][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4170.393727][ T73] ipv6_add_addr+0x411/0x2000 [ 4170.393727][ T73] inet6_addr_add+0x30e/0xa40 [ 4170.393727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.393727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.393727][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.393727][ T73] netlink_unicast+0x449/0x710 [ 4170.393727][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.393727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.393727][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.393727][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.393727][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.393727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.393727][ T73] [ 4170.395719][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.395719][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.395719][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.395719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.395719][ T73] ip6_route_add+0x1c/0x140 [ 4170.395719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4170.395719][ T73] addrconf_add_dev+0xe2/0x170 [ 4170.395719][ T73] inet6_addr_add+0x12f/0xa40 [ 4170.395719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.395719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.395719][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.395719][ T73] netlink_unicast+0x449/0x710 [ 4170.395719][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.395719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.395719][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.395719][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.395719][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.395719][ T73] [ 4170.397676][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.397676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4170.397676][ T73] ipv6_find_idev+0x102/0x170 [ 4170.397676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.397676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.397676][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.397676][ T73] netlink_unicast+0x449/0x710 [ 4170.397676][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.397676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.397676][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.397676][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.397676][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.397676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.397676][ T73] [ 4170.399206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4170.399206][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4170.399206][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4170.399206][ T73] ipv6_find_idev+0x102/0x170 [ 4170.399206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.399206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.399206][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.399206][ T73] netlink_unicast+0x449/0x710 [ 4170.399206][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.399206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.399206][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.399206][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.399206][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.399206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.399206][ T73] [ 4170.400943][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4170.401279][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.401279][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4170.401279][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4170.401279][ T73] fib6_nh_init+0xa22/0x1580 [ 4170.401279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.401279][ T73] ip6_route_add+0x1c/0x140 [ 4170.401279][ T73] inet6_rtm_newroute+0x104/0x110 [ 4170.401279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.401279][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.401279][ T73] netlink_unicast+0x449/0x710 [ 4170.401279][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.401279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.401279][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.401279][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.401279][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.401279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.401279][ T73] [ 4170.403203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.403203][ T73] dst_init+0x84/0x4a0 [ 4170.403203][ T73] dst_alloc+0x97/0x150 [ 4170.403203][ T73] ip6_dst_alloc+0x23/0x90 [ 4170.403203][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4170.403203][ T73] ip6_pol_route+0x56f/0x840 [ 4170.403203][ T73] fib6_rule_lookup+0x456/0x630 [ 4170.403203][ T73] ip6_route_input+0x59c/0xa50 [ 4170.403203][ T73] ipv6_rcv+0x397/0x810 [ 4170.403203][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4170.403203][ T73] process_backlog+0x101/0x620 [ 4170.403203][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4170.403203][ T73] net_rx_action+0x495/0xbe0 [ 4170.403203][ T73] __do_softirq+0x1b5/0x7f6 [ 4170.403203][ T73] [ 4170.404976][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.404976][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.404976][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.404976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.404976][ T73] ip6_route_add+0x1c/0x140 [ 4170.404976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4170.404976][ T73] inet6_addr_add+0x4f8/0xa40 [ 4170.404976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.404976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.404976][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.404976][ T73] netlink_unicast+0x449/0x710 [ 4170.404976][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.404976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.404976][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.404976][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.404976][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.404976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.404976][ T73] [ 4170.407089][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.407089][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.407089][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.407089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.407089][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4170.407089][ T73] ipv6_add_addr+0x411/0x2000 [ 4170.407089][ T73] inet6_addr_add+0x30e/0xa40 [ 4170.407089][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.407089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.407089][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.407089][ T73] netlink_unicast+0x449/0x710 [ 4170.407089][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.407089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.407089][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.407089][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.407089][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.407089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.407089][ T73] [ 4170.409200][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.409200][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.409200][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.409200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.409200][ T73] ip6_route_add+0x1c/0x140 [ 4170.409200][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4170.409200][ T73] addrconf_add_dev+0xe2/0x170 [ 4170.409200][ T73] inet6_addr_add+0x12f/0xa40 [ 4170.409200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.409200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.409200][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.409200][ T73] netlink_unicast+0x449/0x710 [ 4170.409200][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.409200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.409200][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.409200][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.409200][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.409200][ T73] [ 4170.411283][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.411283][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4170.411283][ T73] ipv6_find_idev+0x102/0x170 [ 4170.411283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.411283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.411283][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.411283][ T73] netlink_unicast+0x449/0x710 [ 4170.411283][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.411283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.411283][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.411283][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.411283][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.411283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.411283][ T73] [ 4170.412880][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4170.412880][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4170.412880][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4170.412880][ T73] ipv6_find_idev+0x102/0x170 [ 4170.412880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.412880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.412880][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.412880][ T73] netlink_unicast+0x449/0x710 [ 4170.412880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.412880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.412880][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.412880][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.412880][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.412880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.412880][ T73] [ 4170.414682][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4170.415382][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4170.415382][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.415382][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.415382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.415382][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4170.415382][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4170.415382][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4170.415382][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4170.415382][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4170.415382][ T73] addrconf_dad_begin+0x310/0x670 [ 4170.415382][ T73] addrconf_dad_work+0x10b/0xab0 [ 4170.415382][ T73] process_one_work+0x84d/0x18a0 [ 4170.415382][ T73] worker_thread+0x587/0xd30 [ 4170.415382][ T73] kthread+0x28a/0x350 [ 4170.415382][ T73] ret_from_fork+0x31/0x70 [ 4170.415382][ T73] ret_from_fork_asm+0x1a/0x30 [ 4170.415382][ T73] [ 4170.417276][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4170.417276][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.417276][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.417276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.417276][ T73] ip6_route_add+0x1c/0x140 [ 4170.417276][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4170.417276][ T73] inet6_addr_add+0x4f8/0xa40 [ 4170.417276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.417276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.417276][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.417276][ T73] netlink_unicast+0x449/0x710 [ 4170.417276][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.417276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.417276][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.417276][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.417276][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.417276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.417276][ T73] [ 4170.419320][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4170.419320][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.419320][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.419320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.419320][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4170.419320][ T73] ipv6_add_addr+0x411/0x2000 [ 4170.419320][ T73] inet6_addr_add+0x30e/0xa40 [ 4170.419320][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.419320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.419320][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.419320][ T73] netlink_unicast+0x449/0x710 [ 4170.419320][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.419320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.419320][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.419320][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.419320][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.419320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.419320][ T73] [ 4170.421443][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4170.421443][ T73] netdev_get_by_index+0x5e/0x80 [ 4170.421443][ T73] fib6_nh_init+0x3d8/0x1580 [ 4170.421443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4170.421443][ T73] ip6_route_add+0x1c/0x140 [ 4170.421443][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4170.421443][ T73] addrconf_add_dev+0xe2/0x170 [ 4170.421443][ T73] inet6_addr_add+0x12f/0xa40 [ 4170.421443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4170.421443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.421443][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.421443][ T73] netlink_unicast+0x449/0x710 [ 4170.421443][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.421443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.421443][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.421443][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.421443][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.421443][ T73] [ 4170.423457][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4170.423457][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4170.423457][ T73] ipv6_find_idev+0x102/0x170 [ 4170.423457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.423457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.423457][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.423457][ T73] netlink_unicast+0x449/0x710 [ 4170.423457][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.423457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.423457][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.423457][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.423457][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.423457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.423457][ T73] [ 4170.425106][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4170.425106][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4170.425106][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4170.425106][ T73] ipv6_find_idev+0x102/0x170 [ 4170.425106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4170.425106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4170.425106][ T73] netlink_rcv_skb+0x130/0x360 [ 4170.425106][ T73] netlink_unicast+0x449/0x710 [ 4170.425106][ T73] netlink_sendmsg+0x723/0xbe0 [ 4170.425106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4170.425106][ T73] ___sys_sendmsg+0xee/0x170 [ 4170.425106][ T73] __sys_sendmsg+0xcd/0x170 [ 4170.425106][ T73] do_syscall_64+0xc6/0x1e0 [ 4170.425106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4170.425106][ T73] [ 4180.839030][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4180.839450][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.839450][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4180.839450][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4180.839450][ T73] fib6_nh_init+0xa22/0x1580 [ 4180.839450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.839450][ T73] ip6_route_add+0x1c/0x140 [ 4180.839450][ T73] inet6_rtm_newroute+0x104/0x110 [ 4180.839450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.839450][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.839450][ T73] netlink_unicast+0x449/0x710 [ 4180.839450][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.839450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.839450][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.839450][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.839450][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.839450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.839450][ T73] [ 4180.841520][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.841520][ T73] dst_init+0x84/0x4a0 [ 4180.841520][ T73] dst_alloc+0x97/0x150 [ 4180.841520][ T73] ip6_dst_alloc+0x23/0x90 [ 4180.841520][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4180.841520][ T73] ip6_pol_route+0x56f/0x840 [ 4180.841520][ T73] fib6_rule_lookup+0x456/0x630 [ 4180.841520][ T73] ip6_route_input+0x59c/0xa50 [ 4180.841520][ T73] ipv6_rcv+0x397/0x810 [ 4180.841520][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4180.841520][ T73] process_backlog+0x101/0x620 [ 4180.841520][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4180.841520][ T73] net_rx_action+0x495/0xbe0 [ 4180.841520][ T73] __do_softirq+0x1b5/0x7f6 [ 4180.841520][ T73] [ 4180.843287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.843287][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.843287][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.843287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.843287][ T73] ip6_route_add+0x1c/0x140 [ 4180.843287][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4180.843287][ T73] inet6_addr_add+0x4f8/0xa40 [ 4180.843287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.843287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.843287][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.843287][ T73] netlink_unicast+0x449/0x710 [ 4180.843287][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.843287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.843287][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.843287][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.843287][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.843287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.843287][ T73] [ 4180.845479][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.845479][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.845479][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.845479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.845479][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4180.845479][ T73] ipv6_add_addr+0x411/0x2000 [ 4180.845479][ T73] inet6_addr_add+0x30e/0xa40 [ 4180.845479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.845479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.845479][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.845479][ T73] netlink_unicast+0x449/0x710 [ 4180.845479][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.845479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.845479][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.845479][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.845479][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.845479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.845479][ T73] [ 4180.847634][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.847634][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.847634][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.847634][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.847634][ T73] ip6_route_add+0x1c/0x140 [ 4180.847634][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4180.847634][ T73] addrconf_add_dev+0xe2/0x170 [ 4180.847634][ T73] inet6_addr_add+0x12f/0xa40 [ 4180.847634][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.847634][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.847634][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.847634][ T73] netlink_unicast+0x449/0x710 [ 4180.847634][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.847634][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.847634][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.847634][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.847634][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.847634][ T73] [ 4180.849768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.849768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4180.849768][ T73] ipv6_find_idev+0x102/0x170 [ 4180.849768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.849768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.849768][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.849768][ T73] netlink_unicast+0x449/0x710 [ 4180.849768][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.849768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.849768][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.849768][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.849768][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.849768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.849768][ T73] [ 4180.851467][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4180.851467][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4180.851467][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4180.851467][ T73] ipv6_find_idev+0x102/0x170 [ 4180.851467][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.851467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.851467][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.851467][ T73] netlink_unicast+0x449/0x710 [ 4180.851467][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.851467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.851467][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.851467][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.851467][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.851467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.851467][ T73] [ 4180.853310][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4180.853596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.853596][ T73] dst_init+0x84/0x4a0 [ 4180.853596][ T73] dst_alloc+0x97/0x150 [ 4180.853596][ T73] ip6_dst_alloc+0x23/0x90 [ 4180.853596][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4180.853596][ T73] ip6_pol_route+0x56f/0x840 [ 4180.853596][ T73] fib6_rule_lookup+0x456/0x630 [ 4180.853596][ T73] ip6_route_input+0x59c/0xa50 [ 4180.853596][ T73] ipv6_rcv+0x397/0x810 [ 4180.853596][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4180.853596][ T73] process_backlog+0x101/0x620 [ 4180.853596][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4180.853596][ T73] net_rx_action+0x495/0xbe0 [ 4180.853596][ T73] __do_softirq+0x1b5/0x7f6 [ 4180.853596][ T73] [ 4180.855382][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.855382][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.855382][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.855382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.855382][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4180.855382][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4180.855382][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4180.855382][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4180.855382][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4180.855382][ T73] addrconf_dad_begin+0x310/0x670 [ 4180.855382][ T73] addrconf_dad_work+0x10b/0xab0 [ 4180.855382][ T73] process_one_work+0x84d/0x18a0 [ 4180.855382][ T73] worker_thread+0x587/0xd30 [ 4180.855382][ T73] kthread+0x28a/0x350 [ 4180.855382][ T73] ret_from_fork+0x31/0x70 [ 4180.855382][ T73] ret_from_fork_asm+0x1a/0x30 [ 4180.855382][ T73] [ 4180.857464][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.857464][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.857464][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.857464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.857464][ T73] ip6_route_add+0x1c/0x140 [ 4180.857464][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4180.857464][ T73] inet6_addr_add+0x4f8/0xa40 [ 4180.857464][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.857464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.857464][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.857464][ T73] netlink_unicast+0x449/0x710 [ 4180.857464][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.857464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.857464][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.857464][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.857464][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.857464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.857464][ T73] [ 4180.859635][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.859635][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.859635][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.859635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.859635][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4180.859635][ T73] ipv6_add_addr+0x411/0x2000 [ 4180.859635][ T73] inet6_addr_add+0x30e/0xa40 [ 4180.859635][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.859635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.859635][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.859635][ T73] netlink_unicast+0x449/0x710 [ 4180.859635][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.859635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.859635][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.859635][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.859635][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.859635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.859635][ T73] [ 4180.861792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.861792][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.861792][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.861792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.861792][ T73] ip6_route_add+0x1c/0x140 [ 4180.861792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4180.861792][ T73] addrconf_add_dev+0xe2/0x170 [ 4180.861792][ T73] inet6_addr_add+0x12f/0xa40 [ 4180.861792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.861792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.861792][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.861792][ T73] netlink_unicast+0x449/0x710 [ 4180.861792][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.861792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.861792][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.861792][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.861792][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.861792][ T73] [ 4180.863881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.863881][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4180.863881][ T73] ipv6_find_idev+0x102/0x170 [ 4180.863881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.863881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.863881][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.863881][ T73] netlink_unicast+0x449/0x710 [ 4180.863881][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.863881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.863881][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.863881][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.863881][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.863881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.863881][ T73] [ 4180.865522][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4180.865522][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4180.865522][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4180.865522][ T73] ipv6_find_idev+0x102/0x170 [ 4180.865522][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.865522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.865522][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.865522][ T73] netlink_unicast+0x449/0x710 [ 4180.865522][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.865522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.865522][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.865522][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.865522][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.865522][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.865522][ T73] [ 4180.867455][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4180.867747][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.867747][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4180.867747][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4180.867747][ T73] fib6_nh_init+0xa22/0x1580 [ 4180.867747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.867747][ T73] ip6_route_add+0x1c/0x140 [ 4180.867747][ T73] inet6_rtm_newroute+0x104/0x110 [ 4180.867747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.867747][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.867747][ T73] netlink_unicast+0x449/0x710 [ 4180.867747][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.867747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.867747][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.867747][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.867747][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.867747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.867747][ T73] [ 4180.870104][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.870104][ T73] dst_init+0x84/0x4a0 [ 4180.870104][ T73] dst_alloc+0x97/0x150 [ 4180.870104][ T73] ip6_dst_alloc+0x23/0x90 [ 4180.870104][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4180.870104][ T73] ip6_pol_route+0x56f/0x840 [ 4180.870104][ T73] fib6_rule_lookup+0x456/0x630 [ 4180.870104][ T73] ip6_route_input+0x59c/0xa50 [ 4180.870104][ T73] ipv6_rcv+0x397/0x810 [ 4180.870104][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4180.870104][ T73] process_backlog+0x101/0x620 [ 4180.870104][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4180.870104][ T73] net_rx_action+0x495/0xbe0 [ 4180.870104][ T73] __do_softirq+0x1b5/0x7f6 [ 4180.870104][ T73] [ 4180.872065][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.872065][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.872065][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.872065][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.872065][ T73] ip6_route_add+0x1c/0x140 [ 4180.872065][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4180.872065][ T73] inet6_addr_add+0x4f8/0xa40 [ 4180.872065][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.872065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.872065][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.872065][ T73] netlink_unicast+0x449/0x710 [ 4180.872065][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.872065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.872065][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.872065][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.872065][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.872065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.872065][ T73] [ 4180.874485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.874485][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.874485][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.874485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.874485][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4180.874485][ T73] ipv6_add_addr+0x411/0x2000 [ 4180.874485][ T73] inet6_addr_add+0x30e/0xa40 [ 4180.874485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.874485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.874485][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.874485][ T73] netlink_unicast+0x449/0x710 [ 4180.874485][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.874485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.874485][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.874485][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.874485][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.874485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.874485][ T73] [ 4180.876844][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.876844][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.876844][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.876844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.876844][ T73] ip6_route_add+0x1c/0x140 [ 4180.876844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4180.876844][ T73] addrconf_add_dev+0xe2/0x170 [ 4180.876844][ T73] inet6_addr_add+0x12f/0xa40 [ 4180.876844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.876844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.876844][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.876844][ T73] netlink_unicast+0x449/0x710 [ 4180.876844][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.876844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.876844][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.876844][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.876844][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.876844][ T73] [ 4180.879285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.879285][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4180.879285][ T73] ipv6_find_idev+0x102/0x170 [ 4180.879285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.879285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.879285][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.879285][ T73] netlink_unicast+0x449/0x710 [ 4180.879285][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.879285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.879285][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.879285][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.879285][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.879285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.879285][ T73] [ 4180.881176][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4180.881176][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4180.881176][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4180.881176][ T73] ipv6_find_idev+0x102/0x170 [ 4180.881176][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.881176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.881176][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.881176][ T73] netlink_unicast+0x449/0x710 [ 4180.881176][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.881176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.881176][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.881176][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.881176][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.881176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.881176][ T73] [ 4180.883263][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4180.883551][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4180.883551][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.883551][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.883551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.883551][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4180.883551][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4180.883551][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4180.883551][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4180.883551][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4180.883551][ T73] addrconf_dad_begin+0x310/0x670 [ 4180.883551][ T73] addrconf_dad_work+0x10b/0xab0 [ 4180.883551][ T73] process_one_work+0x84d/0x18a0 [ 4180.883551][ T73] worker_thread+0x587/0xd30 [ 4180.883551][ T73] kthread+0x28a/0x350 [ 4180.883551][ T73] ret_from_fork+0x31/0x70 [ 4180.883551][ T73] ret_from_fork_asm+0x1a/0x30 [ 4180.883551][ T73] [ 4180.885876][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4180.885876][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.885876][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.885876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.885876][ T73] ip6_route_add+0x1c/0x140 [ 4180.885876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4180.885876][ T73] inet6_addr_add+0x4f8/0xa40 [ 4180.885876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.885876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.885876][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.885876][ T73] netlink_unicast+0x449/0x710 [ 4180.885876][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.885876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.885876][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.885876][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.885876][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.885876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.885876][ T73] [ 4180.888203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4180.888203][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.888203][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.888203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.888203][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4180.888203][ T73] ipv6_add_addr+0x411/0x2000 [ 4180.888203][ T73] inet6_addr_add+0x30e/0xa40 [ 4180.888203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.888203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.888203][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.888203][ T73] netlink_unicast+0x449/0x710 [ 4180.888203][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.888203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.888203][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.888203][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.888203][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.888203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.888203][ T73] [ 4180.890638][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4180.890638][ T73] netdev_get_by_index+0x5e/0x80 [ 4180.890638][ T73] fib6_nh_init+0x3d8/0x1580 [ 4180.890638][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4180.890638][ T73] ip6_route_add+0x1c/0x140 [ 4180.890638][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4180.890638][ T73] addrconf_add_dev+0xe2/0x170 [ 4180.890638][ T73] inet6_addr_add+0x12f/0xa40 [ 4180.890638][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4180.890638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.890638][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.890638][ T73] netlink_unicast+0x449/0x710 [ 4180.890638][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.890638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.890638][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.890638][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.890638][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.890638][ T73] [ 4180.893010][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4180.893010][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4180.893010][ T73] ipv6_find_idev+0x102/0x170 [ 4180.893010][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.893010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.893010][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.893010][ T73] netlink_unicast+0x449/0x710 [ 4180.893010][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.893010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.893010][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.893010][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.893010][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.893010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.893010][ T73] [ 4180.894867][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4180.894867][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4180.894867][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4180.894867][ T73] ipv6_find_idev+0x102/0x170 [ 4180.894867][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4180.894867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4180.894867][ T73] netlink_rcv_skb+0x130/0x360 [ 4180.894867][ T73] netlink_unicast+0x449/0x710 [ 4180.894867][ T73] netlink_sendmsg+0x723/0xbe0 [ 4180.894867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4180.894867][ T73] ___sys_sendmsg+0xee/0x170 [ 4180.894867][ T73] __sys_sendmsg+0xcd/0x170 [ 4180.894867][ T73] do_syscall_64+0xc6/0x1e0 [ 4180.894867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4180.894867][ T73] [ 4191.006902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4191.007311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.007311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4191.007311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4191.007311][ T73] fib6_nh_init+0xa22/0x1580 [ 4191.007311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.007311][ T73] ip6_route_add+0x1c/0x140 [ 4191.007311][ T73] inet6_rtm_newroute+0x104/0x110 [ 4191.007311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.007311][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.007311][ T73] netlink_unicast+0x449/0x710 [ 4191.007311][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.007311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.007311][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.007311][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.007311][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.007311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.007311][ T73] [ 4191.009211][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.009211][ T73] dst_init+0x84/0x4a0 [ 4191.009211][ T73] dst_alloc+0x97/0x150 [ 4191.009211][ T73] ip6_dst_alloc+0x23/0x90 [ 4191.009211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4191.009211][ T73] ip6_pol_route+0x56f/0x840 [ 4191.009211][ T73] fib6_rule_lookup+0x456/0x630 [ 4191.009211][ T73] ip6_route_input+0x59c/0xa50 [ 4191.009211][ T73] ipv6_rcv+0x397/0x810 [ 4191.009211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4191.009211][ T73] process_backlog+0x101/0x620 [ 4191.009211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4191.009211][ T73] net_rx_action+0x495/0xbe0 [ 4191.009211][ T73] __do_softirq+0x1b5/0x7f6 [ 4191.009211][ T73] [ 4191.010866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.010866][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.010866][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.010866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.010866][ T73] ip6_route_add+0x1c/0x140 [ 4191.010866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4191.010866][ T73] inet6_addr_add+0x4f8/0xa40 [ 4191.010866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.010866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.010866][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.010866][ T73] netlink_unicast+0x449/0x710 [ 4191.010866][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.010866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.010866][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.010866][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.010866][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.010866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.010866][ T73] [ 4191.013019][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.013019][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.013019][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.013019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.013019][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4191.013019][ T73] ipv6_add_addr+0x411/0x2000 [ 4191.013019][ T73] inet6_addr_add+0x30e/0xa40 [ 4191.013019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.013019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.013019][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.013019][ T73] netlink_unicast+0x449/0x710 [ 4191.013019][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.013019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.013019][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.013019][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.013019][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.013019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.013019][ T73] [ 4191.015031][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.015031][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.015031][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.015031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.015031][ T73] ip6_route_add+0x1c/0x140 [ 4191.015031][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4191.015031][ T73] addrconf_add_dev+0xe2/0x170 [ 4191.015031][ T73] inet6_addr_add+0x12f/0xa40 [ 4191.015031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.015031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.015031][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.015031][ T73] netlink_unicast+0x449/0x710 [ 4191.015031][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.015031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.015031][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.015031][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.015031][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.015031][ T73] [ 4191.017003][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.017003][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4191.017003][ T73] ipv6_find_idev+0x102/0x170 [ 4191.017003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.017003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.017003][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.017003][ T73] netlink_unicast+0x449/0x710 [ 4191.017003][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.017003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.017003][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.017003][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.017003][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.017003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.017003][ T73] [ 4191.018550][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4191.018550][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4191.018550][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4191.018550][ T73] ipv6_find_idev+0x102/0x170 [ 4191.018550][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.018550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.018550][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.018550][ T73] netlink_unicast+0x449/0x710 [ 4191.018550][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.018550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.018550][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.018550][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.018550][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.018550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.018550][ T73] [ 4191.020332][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4191.020623][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.020623][ T73] dst_init+0x84/0x4a0 [ 4191.020623][ T73] dst_alloc+0x97/0x150 [ 4191.020623][ T73] ip6_dst_alloc+0x23/0x90 [ 4191.020623][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4191.020623][ T73] ip6_pol_route+0x56f/0x840 [ 4191.020623][ T73] fib6_rule_lookup+0x456/0x630 [ 4191.020623][ T73] ip6_route_input+0x59c/0xa50 [ 4191.020623][ T73] ipv6_rcv+0x397/0x810 [ 4191.020623][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4191.020623][ T73] process_backlog+0x101/0x620 [ 4191.020623][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4191.020623][ T73] net_rx_action+0x495/0xbe0 [ 4191.020623][ T73] __do_softirq+0x1b5/0x7f6 [ 4191.020623][ T73] [ 4191.022398][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.022398][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.022398][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.022398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.022398][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4191.022398][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4191.022398][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4191.022398][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4191.022398][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4191.022398][ T73] addrconf_dad_begin+0x310/0x670 [ 4191.022398][ T73] addrconf_dad_work+0x10b/0xab0 [ 4191.022398][ T73] process_one_work+0x84d/0x18a0 [ 4191.022398][ T73] worker_thread+0x587/0xd30 [ 4191.022398][ T73] kthread+0x28a/0x350 [ 4191.022398][ T73] ret_from_fork+0x31/0x70 [ 4191.022398][ T73] ret_from_fork_asm+0x1a/0x30 [ 4191.022398][ T73] [ 4191.024448][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.024448][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.024448][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.024448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.024448][ T73] ip6_route_add+0x1c/0x140 [ 4191.024448][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4191.024448][ T73] inet6_addr_add+0x4f8/0xa40 [ 4191.024448][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.024448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.024448][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.024448][ T73] netlink_unicast+0x449/0x710 [ 4191.024448][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.024448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.024448][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.024448][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.024448][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.024448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.024448][ T73] [ 4191.026606][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.026606][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.026606][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.026606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.026606][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4191.026606][ T73] ipv6_add_addr+0x411/0x2000 [ 4191.026606][ T73] inet6_addr_add+0x30e/0xa40 [ 4191.026606][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.026606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.026606][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.026606][ T73] netlink_unicast+0x449/0x710 [ 4191.026606][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.026606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.026606][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.026606][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.026606][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.026606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.026606][ T73] [ 4191.028794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.028794][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.028794][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.028794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.028794][ T73] ip6_route_add+0x1c/0x140 [ 4191.028794][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4191.028794][ T73] addrconf_add_dev+0xe2/0x170 [ 4191.028794][ T73] inet6_addr_add+0x12f/0xa40 [ 4191.028794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.028794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.028794][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.028794][ T73] netlink_unicast+0x449/0x710 [ 4191.028794][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.028794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.028794][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.028794][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.028794][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.028794][ T73] [ 4191.030946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.030946][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4191.030946][ T73] ipv6_find_idev+0x102/0x170 [ 4191.030946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.030946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.030946][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.030946][ T73] netlink_unicast+0x449/0x710 [ 4191.030946][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.030946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.030946][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.030946][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.030946][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.030946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.030946][ T73] [ 4191.032641][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4191.032641][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4191.032641][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4191.032641][ T73] ipv6_find_idev+0x102/0x170 [ 4191.032641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.032641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.032641][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.032641][ T73] netlink_unicast+0x449/0x710 [ 4191.032641][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.032641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.032641][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.032641][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.032641][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.032641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.032641][ T73] [ 4191.034564][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4191.034868][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.034868][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4191.034868][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4191.034868][ T73] fib6_nh_init+0xa22/0x1580 [ 4191.034868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.034868][ T73] ip6_route_add+0x1c/0x140 [ 4191.034868][ T73] inet6_rtm_newroute+0x104/0x110 [ 4191.034868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.034868][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.034868][ T73] netlink_unicast+0x449/0x710 [ 4191.034868][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.034868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.034868][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.034868][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.034868][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.034868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.034868][ T73] [ 4191.037245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.037245][ T73] dst_init+0x84/0x4a0 [ 4191.037245][ T73] dst_alloc+0x97/0x150 [ 4191.037245][ T73] ip6_dst_alloc+0x23/0x90 [ 4191.037245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4191.037245][ T73] ip6_pol_route+0x56f/0x840 [ 4191.037245][ T73] fib6_rule_lookup+0x456/0x630 [ 4191.037245][ T73] ip6_route_input+0x59c/0xa50 [ 4191.037245][ T73] ipv6_rcv+0x397/0x810 [ 4191.037245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4191.037245][ T73] process_backlog+0x101/0x620 [ 4191.037245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4191.037245][ T73] net_rx_action+0x495/0xbe0 [ 4191.037245][ T73] __do_softirq+0x1b5/0x7f6 [ 4191.037245][ T73] [ 4191.039221][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.039221][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.039221][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.039221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.039221][ T73] ip6_route_add+0x1c/0x140 [ 4191.039221][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4191.039221][ T73] inet6_addr_add+0x4f8/0xa40 [ 4191.039221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.039221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.039221][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.039221][ T73] netlink_unicast+0x449/0x710 [ 4191.039221][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.039221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.039221][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.039221][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.039221][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.039221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.039221][ T73] [ 4191.041658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.041658][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.041658][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.041658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.041658][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4191.041658][ T73] ipv6_add_addr+0x411/0x2000 [ 4191.041658][ T73] inet6_addr_add+0x30e/0xa40 [ 4191.041658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.041658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.041658][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.041658][ T73] netlink_unicast+0x449/0x710 [ 4191.041658][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.041658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.041658][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.041658][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.041658][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.041658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.041658][ T73] [ 4191.044091][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.044091][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.044091][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.044091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.044091][ T73] ip6_route_add+0x1c/0x140 [ 4191.044091][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4191.044091][ T73] addrconf_add_dev+0xe2/0x170 [ 4191.044091][ T73] inet6_addr_add+0x12f/0xa40 [ 4191.044091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.044091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.044091][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.044091][ T73] netlink_unicast+0x449/0x710 [ 4191.044091][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.044091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.044091][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.044091][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.044091][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.044091][ T73] [ 4191.046496][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.046496][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4191.046496][ T73] ipv6_find_idev+0x102/0x170 [ 4191.046496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.046496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.046496][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.046496][ T73] netlink_unicast+0x449/0x710 [ 4191.046496][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.046496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.046496][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.046496][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.046496][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.046496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.046496][ T73] [ 4191.048351][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4191.048351][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4191.048351][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4191.048351][ T73] ipv6_find_idev+0x102/0x170 [ 4191.048351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.048351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.048351][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.048351][ T73] netlink_unicast+0x449/0x710 [ 4191.048351][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.048351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.048351][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.048351][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.048351][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.048351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.048351][ T73] [ 4191.050406][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4191.050701][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4191.050701][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.050701][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.050701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.050701][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4191.050701][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4191.050701][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4191.050701][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4191.050701][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4191.050701][ T73] addrconf_dad_begin+0x310/0x670 [ 4191.050701][ T73] addrconf_dad_work+0x10b/0xab0 [ 4191.050701][ T73] process_one_work+0x84d/0x18a0 [ 4191.050701][ T73] worker_thread+0x587/0xd30 [ 4191.050701][ T73] kthread+0x28a/0x350 [ 4191.050701][ T73] ret_from_fork+0x31/0x70 [ 4191.050701][ T73] ret_from_fork_asm+0x1a/0x30 [ 4191.050701][ T73] [ 4191.053027][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4191.053027][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.053027][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.053027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.053027][ T73] ip6_route_add+0x1c/0x140 [ 4191.053027][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4191.053027][ T73] inet6_addr_add+0x4f8/0xa40 [ 4191.053027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.053027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.053027][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.053027][ T73] netlink_unicast+0x449/0x710 [ 4191.053027][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.053027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.053027][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.053027][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.053027][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.053027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.053027][ T73] [ 4191.055373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4191.055373][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.055373][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.055373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.055373][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4191.055373][ T73] ipv6_add_addr+0x411/0x2000 [ 4191.055373][ T73] inet6_addr_add+0x30e/0xa40 [ 4191.055373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.055373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.055373][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.055373][ T73] netlink_unicast+0x449/0x710 [ 4191.055373][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.055373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.055373][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.055373][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.055373][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.055373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.055373][ T73] [ 4191.057865][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4191.057865][ T73] netdev_get_by_index+0x5e/0x80 [ 4191.057865][ T73] fib6_nh_init+0x3d8/0x1580 [ 4191.057865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4191.057865][ T73] ip6_route_add+0x1c/0x140 [ 4191.057865][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4191.057865][ T73] addrconf_add_dev+0xe2/0x170 [ 4191.057865][ T73] inet6_addr_add+0x12f/0xa40 [ 4191.057865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4191.057865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.057865][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.057865][ T73] netlink_unicast+0x449/0x710 [ 4191.057865][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.057865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.057865][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.057865][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.057865][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.057865][ T73] [ 4191.060276][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4191.060276][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4191.060276][ T73] ipv6_find_idev+0x102/0x170 [ 4191.060276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.060276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.060276][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.060276][ T73] netlink_unicast+0x449/0x710 [ 4191.060276][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.060276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.060276][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.060276][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.060276][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.060276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.060276][ T73] [ 4191.062154][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4191.062154][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4191.062154][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4191.062154][ T73] ipv6_find_idev+0x102/0x170 [ 4191.062154][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4191.062154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4191.062154][ T73] netlink_rcv_skb+0x130/0x360 [ 4191.062154][ T73] netlink_unicast+0x449/0x710 [ 4191.062154][ T73] netlink_sendmsg+0x723/0xbe0 [ 4191.062154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4191.062154][ T73] ___sys_sendmsg+0xee/0x170 [ 4191.062154][ T73] __sys_sendmsg+0xcd/0x170 [ 4191.062154][ T73] do_syscall_64+0xc6/0x1e0 [ 4191.062154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4191.062154][ T73] [ 4201.302902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4201.303366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.303366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4201.303366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4201.303366][ T73] fib6_nh_init+0xa22/0x1580 [ 4201.303366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.303366][ T73] ip6_route_add+0x1c/0x140 [ 4201.303366][ T73] inet6_rtm_newroute+0x104/0x110 [ 4201.303366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.303366][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.303366][ T73] netlink_unicast+0x449/0x710 [ 4201.303366][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.303366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.303366][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.303366][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.303366][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.303366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.303366][ T73] [ 4201.305274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.305274][ T73] dst_init+0x84/0x4a0 [ 4201.305274][ T73] dst_alloc+0x97/0x150 [ 4201.305274][ T73] ip6_dst_alloc+0x23/0x90 [ 4201.305274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4201.305274][ T73] ip6_pol_route+0x56f/0x840 [ 4201.305274][ T73] fib6_rule_lookup+0x456/0x630 [ 4201.305274][ T73] ip6_route_input+0x59c/0xa50 [ 4201.305274][ T73] ipv6_rcv+0x397/0x810 [ 4201.305274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4201.305274][ T73] process_backlog+0x101/0x620 [ 4201.305274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4201.305274][ T73] net_rx_action+0x495/0xbe0 [ 4201.305274][ T73] __do_softirq+0x1b5/0x7f6 [ 4201.305274][ T73] [ 4201.306938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.306938][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.306938][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.306938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.306938][ T73] ip6_route_add+0x1c/0x140 [ 4201.306938][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4201.306938][ T73] inet6_addr_add+0x4f8/0xa40 [ 4201.306938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.306938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.306938][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.306938][ T73] netlink_unicast+0x449/0x710 [ 4201.306938][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.306938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.306938][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.306938][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.306938][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.306938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.306938][ T73] [ 4201.308951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.308951][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.308951][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.308951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.308951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4201.308951][ T73] ipv6_add_addr+0x411/0x2000 [ 4201.308951][ T73] inet6_addr_add+0x30e/0xa40 [ 4201.308951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.308951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.308951][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.308951][ T73] netlink_unicast+0x449/0x710 [ 4201.308951][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.308951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.308951][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.308951][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.308951][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.308951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.308951][ T73] [ 4201.310960][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.310960][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.310960][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.310960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.310960][ T73] ip6_route_add+0x1c/0x140 [ 4201.310960][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4201.310960][ T73] addrconf_add_dev+0xe2/0x170 [ 4201.310960][ T73] inet6_addr_add+0x12f/0xa40 [ 4201.310960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.310960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.310960][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.310960][ T73] netlink_unicast+0x449/0x710 [ 4201.310960][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.310960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.310960][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.310960][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.310960][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.310960][ T73] [ 4201.312951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.312951][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4201.312951][ T73] ipv6_find_idev+0x102/0x170 [ 4201.312951][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.312951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.312951][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.312951][ T73] netlink_unicast+0x449/0x710 [ 4201.312951][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.312951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.312951][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.312951][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.312951][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.312951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.312951][ T73] [ 4201.314494][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4201.314494][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4201.314494][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4201.314494][ T73] ipv6_find_idev+0x102/0x170 [ 4201.314494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.314494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.314494][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.314494][ T73] netlink_unicast+0x449/0x710 [ 4201.314494][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.314494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.314494][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.314494][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.314494][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.314494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.314494][ T73] [ 4201.316201][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4201.316472][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.316472][ T73] dst_init+0x84/0x4a0 [ 4201.316472][ T73] dst_alloc+0x97/0x150 [ 4201.316472][ T73] ip6_dst_alloc+0x23/0x90 [ 4201.316472][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4201.316472][ T73] ip6_pol_route+0x56f/0x840 [ 4201.316472][ T73] fib6_rule_lookup+0x456/0x630 [ 4201.316472][ T73] ip6_route_input+0x59c/0xa50 [ 4201.316472][ T73] ipv6_rcv+0x397/0x810 [ 4201.316472][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4201.316472][ T73] process_backlog+0x101/0x620 [ 4201.316472][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4201.316472][ T73] net_rx_action+0x495/0xbe0 [ 4201.316472][ T73] __do_softirq+0x1b5/0x7f6 [ 4201.316472][ T73] [ 4201.318124][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.318124][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.318124][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.318124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.318124][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4201.318124][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4201.318124][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4201.318124][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4201.318124][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4201.318124][ T73] addrconf_dad_begin+0x310/0x670 [ 4201.318124][ T73] addrconf_dad_work+0x10b/0xab0 [ 4201.318124][ T73] process_one_work+0x84d/0x18a0 [ 4201.318124][ T73] worker_thread+0x587/0xd30 [ 4201.318124][ T73] kthread+0x28a/0x350 [ 4201.318124][ T73] ret_from_fork+0x31/0x70 [ 4201.318124][ T73] ret_from_fork_asm+0x1a/0x30 [ 4201.318124][ T73] [ 4201.320035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.320035][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.320035][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.320035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.320035][ T73] ip6_route_add+0x1c/0x140 [ 4201.320035][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4201.320035][ T73] inet6_addr_add+0x4f8/0xa40 [ 4201.320035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.320035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.320035][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.320035][ T73] netlink_unicast+0x449/0x710 [ 4201.320035][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.320035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.320035][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.320035][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.320035][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.320035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.320035][ T73] [ 4201.322043][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.322043][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.322043][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.322043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.322043][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4201.322043][ T73] ipv6_add_addr+0x411/0x2000 [ 4201.322043][ T73] inet6_addr_add+0x30e/0xa40 [ 4201.322043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.322043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.322043][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.322043][ T73] netlink_unicast+0x449/0x710 [ 4201.322043][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.322043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.322043][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.322043][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.322043][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.322043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.322043][ T73] [ 4201.324053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.324053][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.324053][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.324053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.324053][ T73] ip6_route_add+0x1c/0x140 [ 4201.324053][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4201.324053][ T73] addrconf_add_dev+0xe2/0x170 [ 4201.324053][ T73] inet6_addr_add+0x12f/0xa40 [ 4201.324053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.324053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.324053][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.324053][ T73] netlink_unicast+0x449/0x710 [ 4201.324053][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.324053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.324053][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.324053][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.324053][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.324053][ T73] [ 4201.326019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.326019][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4201.326019][ T73] ipv6_find_idev+0x102/0x170 [ 4201.326019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.326019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.326019][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.326019][ T73] netlink_unicast+0x449/0x710 [ 4201.326019][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.326019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.326019][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.326019][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.326019][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.326019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.326019][ T73] [ 4201.327561][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4201.327561][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4201.327561][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4201.327561][ T73] ipv6_find_idev+0x102/0x170 [ 4201.327561][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.327561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.327561][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.327561][ T73] netlink_unicast+0x449/0x710 [ 4201.327561][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.327561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.327561][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.327561][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.327561][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.327561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.327561][ T73] [ 4201.329376][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4201.329647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.329647][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4201.329647][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4201.329647][ T73] fib6_nh_init+0xa22/0x1580 [ 4201.329647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.329647][ T73] ip6_route_add+0x1c/0x140 [ 4201.329647][ T73] inet6_rtm_newroute+0x104/0x110 [ 4201.329647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.329647][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.329647][ T73] netlink_unicast+0x449/0x710 [ 4201.329647][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.329647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.329647][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.329647][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.329647][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.329647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.329647][ T73] [ 4201.331851][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.331851][ T73] dst_init+0x84/0x4a0 [ 4201.331851][ T73] dst_alloc+0x97/0x150 [ 4201.331851][ T73] ip6_dst_alloc+0x23/0x90 [ 4201.331851][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4201.331851][ T73] ip6_pol_route+0x56f/0x840 [ 4201.331851][ T73] fib6_rule_lookup+0x456/0x630 [ 4201.331851][ T73] ip6_route_input+0x59c/0xa50 [ 4201.331851][ T73] ipv6_rcv+0x397/0x810 [ 4201.331851][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4201.331851][ T73] process_backlog+0x101/0x620 [ 4201.331851][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4201.331851][ T73] net_rx_action+0x495/0xbe0 [ 4201.331851][ T73] __do_softirq+0x1b5/0x7f6 [ 4201.331851][ T73] [ 4201.333672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.333672][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.333672][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.333672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.333672][ T73] ip6_route_add+0x1c/0x140 [ 4201.333672][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4201.333672][ T73] inet6_addr_add+0x4f8/0xa40 [ 4201.333672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.333672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.333672][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.333672][ T73] netlink_unicast+0x449/0x710 [ 4201.333672][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.333672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.333672][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.333672][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.333672][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.333672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.333672][ T73] [ 4201.335919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.335919][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.335919][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.335919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.335919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4201.335919][ T73] ipv6_add_addr+0x411/0x2000 [ 4201.335919][ T73] inet6_addr_add+0x30e/0xa40 [ 4201.335919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.335919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.335919][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.335919][ T73] netlink_unicast+0x449/0x710 [ 4201.335919][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.335919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.335919][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.335919][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.335919][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.335919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.335919][ T73] [ 4201.338164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.338164][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.338164][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.338164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.338164][ T73] ip6_route_add+0x1c/0x140 [ 4201.338164][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4201.338164][ T73] addrconf_add_dev+0xe2/0x170 [ 4201.338164][ T73] inet6_addr_add+0x12f/0xa40 [ 4201.338164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.338164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.338164][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.338164][ T73] netlink_unicast+0x449/0x710 [ 4201.338164][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.338164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.338164][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.338164][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.338164][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.338164][ T73] [ 4201.340367][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.340367][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4201.340367][ T73] ipv6_find_idev+0x102/0x170 [ 4201.340367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.340367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.340367][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.340367][ T73] netlink_unicast+0x449/0x710 [ 4201.340367][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.340367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.340367][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.340367][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.340367][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.340367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.340367][ T73] [ 4201.342098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4201.342098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4201.342098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4201.342098][ T73] ipv6_find_idev+0x102/0x170 [ 4201.342098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.342098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.342098][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.342098][ T73] netlink_unicast+0x449/0x710 [ 4201.342098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.342098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.342098][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.342098][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.342098][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.342098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.342098][ T73] [ 4201.344017][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4201.344289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4201.344289][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.344289][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.344289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.344289][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4201.344289][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4201.344289][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4201.344289][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4201.344289][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4201.344289][ T73] addrconf_dad_begin+0x310/0x670 [ 4201.344289][ T73] addrconf_dad_work+0x10b/0xab0 [ 4201.344289][ T73] process_one_work+0x84d/0x18a0 [ 4201.344289][ T73] worker_thread+0x587/0xd30 [ 4201.344289][ T73] kthread+0x28a/0x350 [ 4201.344289][ T73] ret_from_fork+0x31/0x70 [ 4201.344289][ T73] ret_from_fork_asm+0x1a/0x30 [ 4201.344289][ T73] [ 4201.346447][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4201.346447][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.346447][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.346447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.346447][ T73] ip6_route_add+0x1c/0x140 [ 4201.346447][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4201.346447][ T73] inet6_addr_add+0x4f8/0xa40 [ 4201.346447][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.346447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.346447][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.346447][ T73] netlink_unicast+0x449/0x710 [ 4201.346447][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.346447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.346447][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.346447][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.346447][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.346447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.346447][ T73] [ 4201.349148][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4201.349148][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.349148][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.349148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.349148][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4201.349148][ T73] ipv6_add_addr+0x411/0x2000 [ 4201.349148][ T73] inet6_addr_add+0x30e/0xa40 [ 4201.349148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.349148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.349148][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.349148][ T73] netlink_unicast+0x449/0x710 [ 4201.349148][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.349148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.349148][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.349148][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.349148][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.349148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.349148][ T73] [ 4201.351458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4201.351458][ T73] netdev_get_by_index+0x5e/0x80 [ 4201.351458][ T73] fib6_nh_init+0x3d8/0x1580 [ 4201.351458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4201.351458][ T73] ip6_route_add+0x1c/0x140 [ 4201.351458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4201.351458][ T73] addrconf_add_dev+0xe2/0x170 [ 4201.351458][ T73] inet6_addr_add+0x12f/0xa40 [ 4201.351458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4201.351458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.351458][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.351458][ T73] netlink_unicast+0x449/0x710 [ 4201.351458][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.351458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.351458][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.351458][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.351458][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.351458][ T73] [ 4201.353667][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4201.353667][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4201.353667][ T73] ipv6_find_idev+0x102/0x170 [ 4201.353667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.353667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.353667][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.353667][ T73] netlink_unicast+0x449/0x710 [ 4201.353667][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.353667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.353667][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.353667][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.353667][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.353667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.353667][ T73] [ 4201.355392][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4201.355392][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4201.355392][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4201.355392][ T73] ipv6_find_idev+0x102/0x170 [ 4201.355392][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4201.355392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4201.355392][ T73] netlink_rcv_skb+0x130/0x360 [ 4201.355392][ T73] netlink_unicast+0x449/0x710 [ 4201.355392][ T73] netlink_sendmsg+0x723/0xbe0 [ 4201.355392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4201.355392][ T73] ___sys_sendmsg+0xee/0x170 [ 4201.355392][ T73] __sys_sendmsg+0xcd/0x170 [ 4201.355392][ T73] do_syscall_64+0xc6/0x1e0 [ 4201.355392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4201.355392][ T73] [ 4211.598905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4211.599356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.599356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4211.599356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4211.599356][ T73] fib6_nh_init+0xa22/0x1580 [ 4211.599356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.599356][ T73] ip6_route_add+0x1c/0x140 [ 4211.599356][ T73] inet6_rtm_newroute+0x104/0x110 [ 4211.599356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.599356][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.599356][ T73] netlink_unicast+0x449/0x710 [ 4211.599356][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.599356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.599356][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.599356][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.599356][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.599356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.599356][ T73] [ 4211.601277][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.601277][ T73] dst_init+0x84/0x4a0 [ 4211.601277][ T73] dst_alloc+0x97/0x150 [ 4211.601277][ T73] ip6_dst_alloc+0x23/0x90 [ 4211.601277][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4211.601277][ T73] ip6_pol_route+0x56f/0x840 [ 4211.601277][ T73] fib6_rule_lookup+0x456/0x630 [ 4211.601277][ T73] ip6_route_input+0x59c/0xa50 [ 4211.601277][ T73] ipv6_rcv+0x397/0x810 [ 4211.601277][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4211.601277][ T73] process_backlog+0x101/0x620 [ 4211.601277][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4211.601277][ T73] net_rx_action+0x495/0xbe0 [ 4211.601277][ T73] __do_softirq+0x1b5/0x7f6 [ 4211.601277][ T73] [ 4211.602921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.602921][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.602921][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.602921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.602921][ T73] ip6_route_add+0x1c/0x140 [ 4211.602921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4211.602921][ T73] inet6_addr_add+0x4f8/0xa40 [ 4211.602921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.602921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.602921][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.602921][ T73] netlink_unicast+0x449/0x710 [ 4211.602921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.602921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.602921][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.602921][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.602921][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.602921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.602921][ T73] [ 4211.604906][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.604906][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.604906][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.604906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.604906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4211.604906][ T73] ipv6_add_addr+0x411/0x2000 [ 4211.604906][ T73] inet6_addr_add+0x30e/0xa40 [ 4211.604906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.604906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.604906][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.604906][ T73] netlink_unicast+0x449/0x710 [ 4211.604906][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.604906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.604906][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.604906][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.604906][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.604906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.604906][ T73] [ 4211.606888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.606888][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.606888][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.606888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.606888][ T73] ip6_route_add+0x1c/0x140 [ 4211.606888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4211.606888][ T73] addrconf_add_dev+0xe2/0x170 [ 4211.606888][ T73] inet6_addr_add+0x12f/0xa40 [ 4211.606888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.606888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.606888][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.606888][ T73] netlink_unicast+0x449/0x710 [ 4211.606888][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.606888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.606888][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.606888][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.606888][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.606888][ T73] [ 4211.608842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.608842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4211.608842][ T73] ipv6_find_idev+0x102/0x170 [ 4211.608842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.608842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.608842][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.608842][ T73] netlink_unicast+0x449/0x710 [ 4211.608842][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.608842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.608842][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.608842][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.608842][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.608842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.608842][ T73] [ 4211.610380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4211.610380][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4211.610380][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4211.610380][ T73] ipv6_find_idev+0x102/0x170 [ 4211.610380][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.610380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.610380][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.610380][ T73] netlink_unicast+0x449/0x710 [ 4211.610380][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.610380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.610380][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.610380][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.610380][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.610380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.610380][ T73] [ 4211.612073][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4211.612346][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.612346][ T73] dst_init+0x84/0x4a0 [ 4211.612346][ T73] dst_alloc+0x97/0x150 [ 4211.612346][ T73] ip6_dst_alloc+0x23/0x90 [ 4211.612346][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4211.612346][ T73] ip6_pol_route+0x56f/0x840 [ 4211.612346][ T73] fib6_rule_lookup+0x456/0x630 [ 4211.612346][ T73] ip6_route_input+0x59c/0xa50 [ 4211.612346][ T73] ipv6_rcv+0x397/0x810 [ 4211.612346][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4211.612346][ T73] process_backlog+0x101/0x620 [ 4211.612346][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4211.612346][ T73] net_rx_action+0x495/0xbe0 [ 4211.612346][ T73] __do_softirq+0x1b5/0x7f6 [ 4211.612346][ T73] [ 4211.613978][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.613978][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.613978][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.613978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.613978][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4211.613978][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4211.613978][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4211.613978][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4211.613978][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4211.613978][ T73] addrconf_dad_begin+0x310/0x670 [ 4211.613978][ T73] addrconf_dad_work+0x10b/0xab0 [ 4211.613978][ T73] process_one_work+0x84d/0x18a0 [ 4211.613978][ T73] worker_thread+0x587/0xd30 [ 4211.613978][ T73] kthread+0x28a/0x350 [ 4211.613978][ T73] ret_from_fork+0x31/0x70 [ 4211.613978][ T73] ret_from_fork_asm+0x1a/0x30 [ 4211.613978][ T73] [ 4211.616271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.616271][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.616271][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.616271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.616271][ T73] ip6_route_add+0x1c/0x140 [ 4211.616271][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4211.616271][ T73] inet6_addr_add+0x4f8/0xa40 [ 4211.616271][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.616271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.616271][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.616271][ T73] netlink_unicast+0x449/0x710 [ 4211.616271][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.616271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.616271][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.616271][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.616271][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.616271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.616271][ T73] [ 4211.618249][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.618249][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.618249][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.618249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.618249][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4211.618249][ T73] ipv6_add_addr+0x411/0x2000 [ 4211.618249][ T73] inet6_addr_add+0x30e/0xa40 [ 4211.618249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.618249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.618249][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.618249][ T73] netlink_unicast+0x449/0x710 [ 4211.618249][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.618249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.618249][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.618249][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.618249][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.618249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.618249][ T73] [ 4211.620230][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.620230][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.620230][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.620230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.620230][ T73] ip6_route_add+0x1c/0x140 [ 4211.620230][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4211.620230][ T73] addrconf_add_dev+0xe2/0x170 [ 4211.620230][ T73] inet6_addr_add+0x12f/0xa40 [ 4211.620230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.620230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.620230][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.620230][ T73] netlink_unicast+0x449/0x710 [ 4211.620230][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.620230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.620230][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.620230][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.620230][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.620230][ T73] [ 4211.622180][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.622180][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4211.622180][ T73] ipv6_find_idev+0x102/0x170 [ 4211.622180][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.622180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.622180][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.622180][ T73] netlink_unicast+0x449/0x710 [ 4211.622180][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.622180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.622180][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.622180][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.622180][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.622180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.622180][ T73] [ 4211.623705][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4211.623705][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4211.623705][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4211.623705][ T73] ipv6_find_idev+0x102/0x170 [ 4211.623705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.623705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.623705][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.623705][ T73] netlink_unicast+0x449/0x710 [ 4211.623705][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.623705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.623705][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.623705][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.623705][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.623705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.623705][ T73] [ 4211.625488][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4211.625816][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.625816][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4211.625816][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4211.625816][ T73] fib6_nh_init+0xa22/0x1580 [ 4211.625816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.625816][ T73] ip6_route_add+0x1c/0x140 [ 4211.625816][ T73] inet6_rtm_newroute+0x104/0x110 [ 4211.625816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.625816][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.625816][ T73] netlink_unicast+0x449/0x710 [ 4211.625816][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.625816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.625816][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.625816][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.625816][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.625816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.625816][ T73] [ 4211.627861][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.627861][ T73] dst_init+0x84/0x4a0 [ 4211.627861][ T73] dst_alloc+0x97/0x150 [ 4211.627861][ T73] ip6_dst_alloc+0x23/0x90 [ 4211.627861][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4211.627861][ T73] ip6_pol_route+0x56f/0x840 [ 4211.627861][ T73] fib6_rule_lookup+0x456/0x630 [ 4211.627861][ T73] ip6_route_input+0x59c/0xa50 [ 4211.627861][ T73] ipv6_rcv+0x397/0x810 [ 4211.627861][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4211.627861][ T73] process_backlog+0x101/0x620 [ 4211.627861][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4211.627861][ T73] net_rx_action+0x495/0xbe0 [ 4211.627861][ T73] __do_softirq+0x1b5/0x7f6 [ 4211.627861][ T73] [ 4211.629661][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.629661][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.629661][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.629661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.629661][ T73] ip6_route_add+0x1c/0x140 [ 4211.629661][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4211.629661][ T73] inet6_addr_add+0x4f8/0xa40 [ 4211.629661][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.629661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.629661][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.629661][ T73] netlink_unicast+0x449/0x710 [ 4211.629661][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.629661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.629661][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.629661][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.629661][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.629661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.629661][ T73] [ 4211.631879][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.631879][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.631879][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.631879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.631879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4211.631879][ T73] ipv6_add_addr+0x411/0x2000 [ 4211.631879][ T73] inet6_addr_add+0x30e/0xa40 [ 4211.631879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.631879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.631879][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.631879][ T73] netlink_unicast+0x449/0x710 [ 4211.631879][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.631879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.631879][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.631879][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.631879][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.631879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.631879][ T73] [ 4211.634097][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.634097][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.634097][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.634097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.634097][ T73] ip6_route_add+0x1c/0x140 [ 4211.634097][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4211.634097][ T73] addrconf_add_dev+0xe2/0x170 [ 4211.634097][ T73] inet6_addr_add+0x12f/0xa40 [ 4211.634097][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.634097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.634097][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.634097][ T73] netlink_unicast+0x449/0x710 [ 4211.634097][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.634097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.634097][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.634097][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.634097][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.634097][ T73] [ 4211.636340][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.636340][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4211.636340][ T73] ipv6_find_idev+0x102/0x170 [ 4211.636340][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.636340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.636340][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.636340][ T73] netlink_unicast+0x449/0x710 [ 4211.636340][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.636340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.636340][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.636340][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.636340][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.636340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.636340][ T73] [ 4211.638044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4211.638044][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4211.638044][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4211.638044][ T73] ipv6_find_idev+0x102/0x170 [ 4211.638044][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.638044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.638044][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.638044][ T73] netlink_unicast+0x449/0x710 [ 4211.638044][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.638044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.638044][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.638044][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.638044][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.638044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.638044][ T73] [ 4211.639892][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4211.640158][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4211.640158][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.640158][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.640158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.640158][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4211.640158][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4211.640158][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4211.640158][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4211.640158][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4211.640158][ T73] addrconf_dad_begin+0x310/0x670 [ 4211.640158][ T73] addrconf_dad_work+0x10b/0xab0 [ 4211.640158][ T73] process_one_work+0x84d/0x18a0 [ 4211.640158][ T73] worker_thread+0x587/0xd30 [ 4211.640158][ T73] kthread+0x28a/0x350 [ 4211.640158][ T73] ret_from_fork+0x31/0x70 [ 4211.640158][ T73] ret_from_fork_asm+0x1a/0x30 [ 4211.640158][ T73] [ 4211.642298][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4211.642298][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.642298][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.642298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.642298][ T73] ip6_route_add+0x1c/0x140 [ 4211.642298][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4211.642298][ T73] inet6_addr_add+0x4f8/0xa40 [ 4211.642298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.642298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.642298][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.642298][ T73] netlink_unicast+0x449/0x710 [ 4211.642298][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.642298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.642298][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.642298][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.642298][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.642298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.642298][ T73] [ 4211.644519][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4211.644519][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.644519][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.644519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.644519][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4211.644519][ T73] ipv6_add_addr+0x411/0x2000 [ 4211.644519][ T73] inet6_addr_add+0x30e/0xa40 [ 4211.644519][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.644519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.644519][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.644519][ T73] netlink_unicast+0x449/0x710 [ 4211.644519][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.644519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.644519][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.644519][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.644519][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.644519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.644519][ T73] [ 4211.646803][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4211.646803][ T73] netdev_get_by_index+0x5e/0x80 [ 4211.646803][ T73] fib6_nh_init+0x3d8/0x1580 [ 4211.646803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4211.646803][ T73] ip6_route_add+0x1c/0x140 [ 4211.646803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4211.646803][ T73] addrconf_add_dev+0xe2/0x170 [ 4211.646803][ T73] inet6_addr_add+0x12f/0xa40 [ 4211.646803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4211.646803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.646803][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.646803][ T73] netlink_unicast+0x449/0x710 [ 4211.646803][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.646803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.646803][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.646803][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.646803][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.646803][ T73] [ 4211.648926][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4211.648926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4211.648926][ T73] ipv6_find_idev+0x102/0x170 [ 4211.648926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.648926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.648926][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.648926][ T73] netlink_unicast+0x449/0x710 [ 4211.648926][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.648926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.648926][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.648926][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.648926][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.648926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.648926][ T73] [ 4211.650632][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4211.650632][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4211.650632][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4211.650632][ T73] ipv6_find_idev+0x102/0x170 [ 4211.650632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4211.650632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4211.650632][ T73] netlink_rcv_skb+0x130/0x360 [ 4211.650632][ T73] netlink_unicast+0x449/0x710 [ 4211.650632][ T73] netlink_sendmsg+0x723/0xbe0 [ 4211.650632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4211.650632][ T73] ___sys_sendmsg+0xee/0x170 [ 4211.650632][ T73] __sys_sendmsg+0xcd/0x170 [ 4211.650632][ T73] do_syscall_64+0xc6/0x1e0 [ 4211.650632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4211.650632][ T73] [ 4221.894824][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4221.895310][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.895310][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4221.895310][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4221.895310][ T73] fib6_nh_init+0xa22/0x1580 [ 4221.895310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.895310][ T73] ip6_route_add+0x1c/0x140 [ 4221.895310][ T73] inet6_rtm_newroute+0x104/0x110 [ 4221.895310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.895310][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.895310][ T73] netlink_unicast+0x449/0x710 [ 4221.895310][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.895310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.895310][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.895310][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.895310][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.895310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.895310][ T73] [ 4221.897190][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.897190][ T73] dst_init+0x84/0x4a0 [ 4221.897190][ T73] dst_alloc+0x97/0x150 [ 4221.897190][ T73] ip6_dst_alloc+0x23/0x90 [ 4221.897190][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4221.897190][ T73] ip6_pol_route+0x56f/0x840 [ 4221.897190][ T73] fib6_rule_lookup+0x456/0x630 [ 4221.897190][ T73] ip6_route_input+0x59c/0xa50 [ 4221.897190][ T73] ipv6_rcv+0x397/0x810 [ 4221.897190][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4221.897190][ T73] process_backlog+0x101/0x620 [ 4221.897190][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4221.897190][ T73] net_rx_action+0x495/0xbe0 [ 4221.897190][ T73] __do_softirq+0x1b5/0x7f6 [ 4221.897190][ T73] [ 4221.898815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.898815][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.898815][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.898815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.898815][ T73] ip6_route_add+0x1c/0x140 [ 4221.898815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4221.898815][ T73] inet6_addr_add+0x4f8/0xa40 [ 4221.898815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.898815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.898815][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.898815][ T73] netlink_unicast+0x449/0x710 [ 4221.898815][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.898815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.898815][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.898815][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.898815][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.898815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.898815][ T73] [ 4221.900801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.900801][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.900801][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.900801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.900801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4221.900801][ T73] ipv6_add_addr+0x411/0x2000 [ 4221.900801][ T73] inet6_addr_add+0x30e/0xa40 [ 4221.900801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.900801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.900801][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.900801][ T73] netlink_unicast+0x449/0x710 [ 4221.900801][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.900801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.900801][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.900801][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.900801][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.900801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.900801][ T73] [ 4221.902791][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.902791][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.902791][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.902791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.902791][ T73] ip6_route_add+0x1c/0x140 [ 4221.902791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4221.902791][ T73] addrconf_add_dev+0xe2/0x170 [ 4221.902791][ T73] inet6_addr_add+0x12f/0xa40 [ 4221.902791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.902791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.902791][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.902791][ T73] netlink_unicast+0x449/0x710 [ 4221.902791][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.902791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.902791][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.902791][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.902791][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.902791][ T73] [ 4221.904744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.904744][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4221.904744][ T73] ipv6_find_idev+0x102/0x170 [ 4221.904744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.904744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.904744][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.904744][ T73] netlink_unicast+0x449/0x710 [ 4221.904744][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.904744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.904744][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.904744][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.904744][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.904744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.904744][ T73] [ 4221.906270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4221.906270][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4221.906270][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4221.906270][ T73] ipv6_find_idev+0x102/0x170 [ 4221.906270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.906270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.906270][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.906270][ T73] netlink_unicast+0x449/0x710 [ 4221.906270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.906270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.906270][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.906270][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.906270][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.906270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.906270][ T73] [ 4221.907946][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4221.908220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.908220][ T73] dst_init+0x84/0x4a0 [ 4221.908220][ T73] dst_alloc+0x97/0x150 [ 4221.908220][ T73] ip6_dst_alloc+0x23/0x90 [ 4221.908220][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4221.908220][ T73] ip6_pol_route+0x56f/0x840 [ 4221.908220][ T73] fib6_rule_lookup+0x456/0x630 [ 4221.908220][ T73] ip6_route_input+0x59c/0xa50 [ 4221.908220][ T73] ipv6_rcv+0x397/0x810 [ 4221.908220][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4221.908220][ T73] process_backlog+0x101/0x620 [ 4221.908220][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4221.908220][ T73] net_rx_action+0x495/0xbe0 [ 4221.908220][ T73] __do_softirq+0x1b5/0x7f6 [ 4221.908220][ T73] [ 4221.909944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.909944][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.909944][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.909944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.909944][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4221.909944][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4221.909944][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4221.909944][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4221.909944][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4221.909944][ T73] addrconf_dad_begin+0x310/0x670 [ 4221.909944][ T73] addrconf_dad_work+0x10b/0xab0 [ 4221.909944][ T73] process_one_work+0x84d/0x18a0 [ 4221.909944][ T73] worker_thread+0x587/0xd30 [ 4221.909944][ T73] kthread+0x28a/0x350 [ 4221.909944][ T73] ret_from_fork+0x31/0x70 [ 4221.909944][ T73] ret_from_fork_asm+0x1a/0x30 [ 4221.909944][ T73] [ 4221.911847][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.911847][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.911847][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.911847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.911847][ T73] ip6_route_add+0x1c/0x140 [ 4221.911847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4221.911847][ T73] inet6_addr_add+0x4f8/0xa40 [ 4221.911847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.911847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.911847][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.911847][ T73] netlink_unicast+0x449/0x710 [ 4221.911847][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.911847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.911847][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.911847][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.911847][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.911847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.911847][ T73] [ 4221.913826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.913826][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.913826][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.913826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.913826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4221.913826][ T73] ipv6_add_addr+0x411/0x2000 [ 4221.913826][ T73] inet6_addr_add+0x30e/0xa40 [ 4221.913826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.913826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.913826][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.913826][ T73] netlink_unicast+0x449/0x710 [ 4221.913826][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.913826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.913826][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.913826][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.913826][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.913826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.913826][ T73] [ 4221.915803][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.915803][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.915803][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.915803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.915803][ T73] ip6_route_add+0x1c/0x140 [ 4221.915803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4221.915803][ T73] addrconf_add_dev+0xe2/0x170 [ 4221.915803][ T73] inet6_addr_add+0x12f/0xa40 [ 4221.915803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.915803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.915803][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.915803][ T73] netlink_unicast+0x449/0x710 [ 4221.915803][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.915803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.915803][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.915803][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.915803][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.915803][ T73] [ 4221.917754][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.917754][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4221.917754][ T73] ipv6_find_idev+0x102/0x170 [ 4221.917754][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.917754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.917754][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.917754][ T73] netlink_unicast+0x449/0x710 [ 4221.917754][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.917754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.917754][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.917754][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.917754][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.917754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.917754][ T73] [ 4221.919286][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4221.919286][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4221.919286][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4221.919286][ T73] ipv6_find_idev+0x102/0x170 [ 4221.919286][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.919286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.919286][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.919286][ T73] netlink_unicast+0x449/0x710 [ 4221.919286][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.919286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.919286][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.919286][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.919286][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.919286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.919286][ T73] [ 4221.921081][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4221.921405][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.921405][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4221.921405][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4221.921405][ T73] fib6_nh_init+0xa22/0x1580 [ 4221.921405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.921405][ T73] ip6_route_add+0x1c/0x140 [ 4221.921405][ T73] inet6_rtm_newroute+0x104/0x110 [ 4221.921405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.921405][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.921405][ T73] netlink_unicast+0x449/0x710 [ 4221.921405][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.921405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.921405][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.921405][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.921405][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.921405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.921405][ T73] [ 4221.923967][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.923967][ T73] dst_init+0x84/0x4a0 [ 4221.923967][ T73] dst_alloc+0x97/0x150 [ 4221.923967][ T73] ip6_dst_alloc+0x23/0x90 [ 4221.923967][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4221.923967][ T73] ip6_pol_route+0x56f/0x840 [ 4221.923967][ T73] fib6_rule_lookup+0x456/0x630 [ 4221.923967][ T73] ip6_route_input+0x59c/0xa50 [ 4221.923967][ T73] ipv6_rcv+0x397/0x810 [ 4221.923967][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4221.923967][ T73] process_backlog+0x101/0x620 [ 4221.923967][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4221.923967][ T73] net_rx_action+0x495/0xbe0 [ 4221.923967][ T73] __do_softirq+0x1b5/0x7f6 [ 4221.923967][ T73] [ 4221.925769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.925769][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.925769][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.925769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.925769][ T73] ip6_route_add+0x1c/0x140 [ 4221.925769][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4221.925769][ T73] inet6_addr_add+0x4f8/0xa40 [ 4221.925769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.925769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.925769][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.925769][ T73] netlink_unicast+0x449/0x710 [ 4221.925769][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.925769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.925769][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.925769][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.925769][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.925769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.925769][ T73] [ 4221.928094][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.928094][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.928094][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.928094][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.928094][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4221.928094][ T73] ipv6_add_addr+0x411/0x2000 [ 4221.928094][ T73] inet6_addr_add+0x30e/0xa40 [ 4221.928094][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.928094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.928094][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.928094][ T73] netlink_unicast+0x449/0x710 [ 4221.928094][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.928094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.928094][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.928094][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.928094][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.928094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.928094][ T73] [ 4221.930317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.930317][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.930317][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.930317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.930317][ T73] ip6_route_add+0x1c/0x140 [ 4221.930317][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4221.930317][ T73] addrconf_add_dev+0xe2/0x170 [ 4221.930317][ T73] inet6_addr_add+0x12f/0xa40 [ 4221.930317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.930317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.930317][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.930317][ T73] netlink_unicast+0x449/0x710 [ 4221.930317][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.930317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.930317][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.930317][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.930317][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.930317][ T73] [ 4221.932519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.932519][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4221.932519][ T73] ipv6_find_idev+0x102/0x170 [ 4221.932519][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.932519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.932519][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.932519][ T73] netlink_unicast+0x449/0x710 [ 4221.932519][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.932519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.932519][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.932519][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.932519][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.932519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.932519][ T73] [ 4221.934227][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4221.934227][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4221.934227][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4221.934227][ T73] ipv6_find_idev+0x102/0x170 [ 4221.934227][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.934227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.934227][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.934227][ T73] netlink_unicast+0x449/0x710 [ 4221.934227][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.934227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.934227][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.934227][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.934227][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.934227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.934227][ T73] [ 4221.936141][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4221.936414][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4221.936414][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.936414][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.936414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.936414][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4221.936414][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4221.936414][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4221.936414][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4221.936414][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4221.936414][ T73] addrconf_dad_begin+0x310/0x670 [ 4221.936414][ T73] addrconf_dad_work+0x10b/0xab0 [ 4221.936414][ T73] process_one_work+0x84d/0x18a0 [ 4221.936414][ T73] worker_thread+0x587/0xd30 [ 4221.936414][ T73] kthread+0x28a/0x350 [ 4221.936414][ T73] ret_from_fork+0x31/0x70 [ 4221.936414][ T73] ret_from_fork_asm+0x1a/0x30 [ 4221.936414][ T73] [ 4221.938547][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4221.938547][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.938547][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.938547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.938547][ T73] ip6_route_add+0x1c/0x140 [ 4221.938547][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4221.938547][ T73] inet6_addr_add+0x4f8/0xa40 [ 4221.938547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.938547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.938547][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.938547][ T73] netlink_unicast+0x449/0x710 [ 4221.938547][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.938547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.938547][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.938547][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.938547][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.938547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.938547][ T73] [ 4221.940768][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4221.940768][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.940768][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.940768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.940768][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4221.940768][ T73] ipv6_add_addr+0x411/0x2000 [ 4221.940768][ T73] inet6_addr_add+0x30e/0xa40 [ 4221.940768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.940768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.940768][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.940768][ T73] netlink_unicast+0x449/0x710 [ 4221.940768][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.940768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.940768][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.940768][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.940768][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.940768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.940768][ T73] [ 4221.942998][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4221.942998][ T73] netdev_get_by_index+0x5e/0x80 [ 4221.942998][ T73] fib6_nh_init+0x3d8/0x1580 [ 4221.942998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4221.942998][ T73] ip6_route_add+0x1c/0x140 [ 4221.942998][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4221.942998][ T73] addrconf_add_dev+0xe2/0x170 [ 4221.942998][ T73] inet6_addr_add+0x12f/0xa40 [ 4221.942998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4221.942998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.942998][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.942998][ T73] netlink_unicast+0x449/0x710 [ 4221.942998][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.942998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.942998][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.942998][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.942998][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.942998][ T73] [ 4221.945145][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4221.945145][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4221.945145][ T73] ipv6_find_idev+0x102/0x170 [ 4221.945145][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.945145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.945145][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.945145][ T73] netlink_unicast+0x449/0x710 [ 4221.945145][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.945145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.945145][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.945145][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.945145][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.945145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.945145][ T73] [ 4221.947327][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4221.947327][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4221.947327][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4221.947327][ T73] ipv6_find_idev+0x102/0x170 [ 4221.947327][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4221.947327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4221.947327][ T73] netlink_rcv_skb+0x130/0x360 [ 4221.947327][ T73] netlink_unicast+0x449/0x710 [ 4221.947327][ T73] netlink_sendmsg+0x723/0xbe0 [ 4221.947327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4221.947327][ T73] ___sys_sendmsg+0xee/0x170 [ 4221.947327][ T73] __sys_sendmsg+0xcd/0x170 [ 4221.947327][ T73] do_syscall_64+0xc6/0x1e0 [ 4221.947327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4221.947327][ T73] [ 4231.982902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4231.983350][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.983350][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4231.983350][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4231.983350][ T73] fib6_nh_init+0xa22/0x1580 [ 4231.983350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4231.983350][ T73] ip6_route_add+0x1c/0x140 [ 4231.983350][ T73] inet6_rtm_newroute+0x104/0x110 [ 4231.983350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.983350][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.983350][ T73] netlink_unicast+0x449/0x710 [ 4231.983350][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.983350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.983350][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.983350][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.983350][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.983350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4231.983350][ T73] [ 4231.985242][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.985242][ T73] dst_init+0x84/0x4a0 [ 4231.985242][ T73] dst_alloc+0x97/0x150 [ 4231.985242][ T73] ip6_dst_alloc+0x23/0x90 [ 4231.985242][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4231.985242][ T73] ip6_pol_route+0x56f/0x840 [ 4231.985242][ T73] fib6_rule_lookup+0x456/0x630 [ 4231.985242][ T73] ip6_route_input+0x59c/0xa50 [ 4231.985242][ T73] ipv6_rcv+0x397/0x810 [ 4231.985242][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4231.985242][ T73] process_backlog+0x101/0x620 [ 4231.985242][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4231.985242][ T73] net_rx_action+0x495/0xbe0 [ 4231.985242][ T73] __do_softirq+0x1b5/0x7f6 [ 4231.985242][ T73] [ 4231.986878][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.986878][ T73] netdev_get_by_index+0x5e/0x80 [ 4231.986878][ T73] fib6_nh_init+0x3d8/0x1580 [ 4231.986878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4231.986878][ T73] ip6_route_add+0x1c/0x140 [ 4231.986878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4231.986878][ T73] inet6_addr_add+0x4f8/0xa40 [ 4231.986878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4231.986878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.986878][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.986878][ T73] netlink_unicast+0x449/0x710 [ 4231.986878][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.986878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.986878][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.986878][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.986878][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.986878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4231.986878][ T73] [ 4231.988880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.988880][ T73] netdev_get_by_index+0x5e/0x80 [ 4231.988880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4231.988880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4231.988880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4231.988880][ T73] ipv6_add_addr+0x411/0x2000 [ 4231.988880][ T73] inet6_addr_add+0x30e/0xa40 [ 4231.988880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4231.988880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.988880][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.988880][ T73] netlink_unicast+0x449/0x710 [ 4231.988880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.988880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.988880][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.988880][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.988880][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.988880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4231.988880][ T73] [ 4231.990862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.990862][ T73] netdev_get_by_index+0x5e/0x80 [ 4231.990862][ T73] fib6_nh_init+0x3d8/0x1580 [ 4231.990862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4231.990862][ T73] ip6_route_add+0x1c/0x140 [ 4231.990862][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4231.990862][ T73] addrconf_add_dev+0xe2/0x170 [ 4231.990862][ T73] inet6_addr_add+0x12f/0xa40 [ 4231.990862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4231.990862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.990862][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.990862][ T73] netlink_unicast+0x449/0x710 [ 4231.990862][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.990862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.990862][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.990862][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.990862][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.990862][ T73] [ 4231.992824][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.992824][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4231.992824][ T73] ipv6_find_idev+0x102/0x170 [ 4231.992824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4231.992824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.992824][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.992824][ T73] netlink_unicast+0x449/0x710 [ 4231.992824][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.992824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.992824][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.992824][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.992824][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.992824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4231.992824][ T73] [ 4231.994354][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4231.994354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4231.994354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4231.994354][ T73] ipv6_find_idev+0x102/0x170 [ 4231.994354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4231.994354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.994354][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.994354][ T73] netlink_unicast+0x449/0x710 [ 4231.994354][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.994354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.994354][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.994354][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.994354][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.994354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4231.994354][ T73] [ 4231.996041][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4231.996313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4231.996313][ T73] dst_init+0x84/0x4a0 [ 4231.996313][ T73] dst_alloc+0x97/0x150 [ 4231.996313][ T73] ip6_dst_alloc+0x23/0x90 [ 4231.996313][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4231.996313][ T73] ip6_pol_route+0x56f/0x840 [ 4231.996313][ T73] fib6_rule_lookup+0x456/0x630 [ 4231.996313][ T73] ip6_route_input+0x59c/0xa50 [ 4231.996313][ T73] ipv6_rcv+0x397/0x810 [ 4231.996313][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4231.996313][ T73] process_backlog+0x101/0x620 [ 4231.996313][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4231.996313][ T73] net_rx_action+0x495/0xbe0 [ 4231.996313][ T73] __do_softirq+0x1b5/0x7f6 [ 4231.996313][ T73] [ 4231.997951][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4231.997951][ T73] netdev_get_by_index+0x5e/0x80 [ 4231.997951][ T73] fib6_nh_init+0x3d8/0x1580 [ 4231.997951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4231.997951][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4231.997951][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4231.997951][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4231.997951][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4231.997951][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4231.997951][ T73] addrconf_dad_begin+0x310/0x670 [ 4231.997951][ T73] addrconf_dad_work+0x10b/0xab0 [ 4231.997951][ T73] process_one_work+0x84d/0x18a0 [ 4231.997951][ T73] worker_thread+0x587/0xd30 [ 4231.997951][ T73] kthread+0x28a/0x350 [ 4231.997951][ T73] ret_from_fork+0x31/0x70 [ 4231.997951][ T73] ret_from_fork_asm+0x1a/0x30 [ 4231.997951][ T73] [ 4231.999887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4231.999887][ T73] netdev_get_by_index+0x5e/0x80 [ 4231.999887][ T73] fib6_nh_init+0x3d8/0x1580 [ 4231.999887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4231.999887][ T73] ip6_route_add+0x1c/0x140 [ 4231.999887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4231.999887][ T73] inet6_addr_add+0x4f8/0xa40 [ 4231.999887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4231.999887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4231.999887][ T73] netlink_rcv_skb+0x130/0x360 [ 4231.999887][ T73] netlink_unicast+0x449/0x710 [ 4231.999887][ T73] netlink_sendmsg+0x723/0xbe0 [ 4231.999887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4231.999887][ T73] ___sys_sendmsg+0xee/0x170 [ 4231.999887][ T73] __sys_sendmsg+0xcd/0x170 [ 4231.999887][ T73] do_syscall_64+0xc6/0x1e0 [ 4231.999887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4231.999887][ T73] [ 4232.001880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4232.001880][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.001880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.001880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.001880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4232.001880][ T73] ipv6_add_addr+0x411/0x2000 [ 4232.001880][ T73] inet6_addr_add+0x30e/0xa40 [ 4232.001880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.001880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.001880][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.001880][ T73] netlink_unicast+0x449/0x710 [ 4232.001880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.001880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.001880][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.001880][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.001880][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.001880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.001880][ T73] [ 4232.003866][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4232.003866][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.003866][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.003866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.003866][ T73] ip6_route_add+0x1c/0x140 [ 4232.003866][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4232.003866][ T73] addrconf_add_dev+0xe2/0x170 [ 4232.003866][ T73] inet6_addr_add+0x12f/0xa40 [ 4232.003866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.003866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.003866][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.003866][ T73] netlink_unicast+0x449/0x710 [ 4232.003866][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.003866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.003866][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.003866][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.003866][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.003866][ T73] [ 4232.006215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4232.006215][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4232.006215][ T73] ipv6_find_idev+0x102/0x170 [ 4232.006215][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4232.006215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.006215][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.006215][ T73] netlink_unicast+0x449/0x710 [ 4232.006215][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.006215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.006215][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.006215][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.006215][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.006215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.006215][ T73] [ 4232.007751][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4232.007751][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4232.007751][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4232.007751][ T73] ipv6_find_idev+0x102/0x170 [ 4232.007751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4232.007751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.007751][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.007751][ T73] netlink_unicast+0x449/0x710 [ 4232.007751][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.007751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.007751][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.007751][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.007751][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.007751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.007751][ T73] [ 4232.009549][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4232.009897][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.009897][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4232.009897][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4232.009897][ T73] fib6_nh_init+0xa22/0x1580 [ 4232.009897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.009897][ T73] ip6_route_add+0x1c/0x140 [ 4232.009897][ T73] inet6_rtm_newroute+0x104/0x110 [ 4232.009897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.009897][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.009897][ T73] netlink_unicast+0x449/0x710 [ 4232.009897][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.009897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.009897][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.009897][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.009897][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.009897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.009897][ T73] [ 4232.011949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.011949][ T73] dst_init+0x84/0x4a0 [ 4232.011949][ T73] dst_alloc+0x97/0x150 [ 4232.011949][ T73] ip6_dst_alloc+0x23/0x90 [ 4232.011949][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4232.011949][ T73] ip6_pol_route+0x56f/0x840 [ 4232.011949][ T73] fib6_rule_lookup+0x456/0x630 [ 4232.011949][ T73] ip6_route_input+0x59c/0xa50 [ 4232.011949][ T73] ipv6_rcv+0x397/0x810 [ 4232.011949][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4232.011949][ T73] process_backlog+0x101/0x620 [ 4232.011949][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4232.011949][ T73] net_rx_action+0x495/0xbe0 [ 4232.011949][ T73] __do_softirq+0x1b5/0x7f6 [ 4232.011949][ T73] [ 4232.013750][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.013750][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.013750][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.013750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.013750][ T73] ip6_route_add+0x1c/0x140 [ 4232.013750][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4232.013750][ T73] inet6_addr_add+0x4f8/0xa40 [ 4232.013750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.013750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.013750][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.013750][ T73] netlink_unicast+0x449/0x710 [ 4232.013750][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.013750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.013750][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.013750][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.013750][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.013750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.013750][ T73] [ 4232.015971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.015971][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.015971][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.015971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.015971][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4232.015971][ T73] ipv6_add_addr+0x411/0x2000 [ 4232.015971][ T73] inet6_addr_add+0x30e/0xa40 [ 4232.015971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.015971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.015971][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.015971][ T73] netlink_unicast+0x449/0x710 [ 4232.015971][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.015971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.015971][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.015971][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.015971][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.015971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.015971][ T73] [ 4232.018143][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.018143][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.018143][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.018143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.018143][ T73] ip6_route_add+0x1c/0x140 [ 4232.018143][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4232.018143][ T73] addrconf_add_dev+0xe2/0x170 [ 4232.018143][ T73] inet6_addr_add+0x12f/0xa40 [ 4232.018143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.018143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.018143][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.018143][ T73] netlink_unicast+0x449/0x710 [ 4232.018143][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.018143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.018143][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.018143][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.018143][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.018143][ T73] [ 4232.020391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.020391][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4232.020391][ T73] ipv6_find_idev+0x102/0x170 [ 4232.020391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4232.020391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.020391][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.020391][ T73] netlink_unicast+0x449/0x710 [ 4232.020391][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.020391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.020391][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.020391][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.020391][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.020391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.020391][ T73] [ 4232.022107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4232.022107][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4232.022107][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4232.022107][ T73] ipv6_find_idev+0x102/0x170 [ 4232.022107][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4232.022107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.022107][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.022107][ T73] netlink_unicast+0x449/0x710 [ 4232.022107][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.022107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.022107][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.022107][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.022107][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.022107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.022107][ T73] [ 4232.023954][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4232.024222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4232.024222][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.024222][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.024222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.024222][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4232.024222][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4232.024222][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4232.024222][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4232.024222][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4232.024222][ T73] addrconf_dad_begin+0x310/0x670 [ 4232.024222][ T73] addrconf_dad_work+0x10b/0xab0 [ 4232.024222][ T73] process_one_work+0x84d/0x18a0 [ 4232.024222][ T73] worker_thread+0x587/0xd30 [ 4232.024222][ T73] kthread+0x28a/0x350 [ 4232.024222][ T73] ret_from_fork+0x31/0x70 [ 4232.024222][ T73] ret_from_fork_asm+0x1a/0x30 [ 4232.024222][ T73] [ 4232.026363][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4232.026363][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.026363][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.026363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.026363][ T73] ip6_route_add+0x1c/0x140 [ 4232.026363][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4232.026363][ T73] inet6_addr_add+0x4f8/0xa40 [ 4232.026363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.026363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.026363][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.026363][ T73] netlink_unicast+0x449/0x710 [ 4232.026363][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.026363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.026363][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.026363][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.026363][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.026363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.026363][ T73] [ 4232.028653][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4232.028653][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.028653][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.028653][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.028653][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4232.028653][ T73] ipv6_add_addr+0x411/0x2000 [ 4232.028653][ T73] inet6_addr_add+0x30e/0xa40 [ 4232.028653][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.028653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.028653][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.028653][ T73] netlink_unicast+0x449/0x710 [ 4232.028653][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.028653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.028653][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.028653][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.028653][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.028653][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.028653][ T73] [ 4232.030879][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4232.030879][ T73] netdev_get_by_index+0x5e/0x80 [ 4232.030879][ T73] fib6_nh_init+0x3d8/0x1580 [ 4232.030879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4232.030879][ T73] ip6_route_add+0x1c/0x140 [ 4232.030879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4232.030879][ T73] addrconf_add_dev+0xe2/0x170 [ 4232.030879][ T73] inet6_addr_add+0x12f/0xa40 [ 4232.030879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4232.030879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.030879][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.030879][ T73] netlink_unicast+0x449/0x710 [ 4232.030879][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.030879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.030879][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.030879][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.030879][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.030879][ T73] [ 4232.033014][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4232.033014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4232.033014][ T73] ipv6_find_idev+0x102/0x170 [ 4232.033014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4232.033014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.033014][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.033014][ T73] netlink_unicast+0x449/0x710 [ 4232.033014][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.033014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.033014][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.033014][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.033014][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.033014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.033014][ T73] [ 4232.034723][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4232.034723][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4232.034723][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4232.034723][ T73] ipv6_find_idev+0x102/0x170 [ 4232.034723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4232.034723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4232.034723][ T73] netlink_rcv_skb+0x130/0x360 [ 4232.034723][ T73] netlink_unicast+0x449/0x710 [ 4232.034723][ T73] netlink_sendmsg+0x723/0xbe0 [ 4232.034723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4232.034723][ T73] ___sys_sendmsg+0xee/0x170 [ 4232.034723][ T73] __sys_sendmsg+0xcd/0x170 [ 4232.034723][ T73] do_syscall_64+0xc6/0x1e0 [ 4232.034723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4232.034723][ T73] [ 4242.094961][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4242.095408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.095408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4242.095408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4242.095408][ T73] fib6_nh_init+0xa22/0x1580 [ 4242.095408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.095408][ T73] ip6_route_add+0x1c/0x140 [ 4242.095408][ T73] inet6_rtm_newroute+0x104/0x110 [ 4242.095408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.095408][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.095408][ T73] netlink_unicast+0x449/0x710 [ 4242.095408][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.095408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.095408][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.095408][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.095408][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.095408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.095408][ T73] [ 4242.097306][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.097306][ T73] dst_init+0x84/0x4a0 [ 4242.097306][ T73] dst_alloc+0x97/0x150 [ 4242.097306][ T73] ip6_dst_alloc+0x23/0x90 [ 4242.097306][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4242.097306][ T73] ip6_pol_route+0x56f/0x840 [ 4242.097306][ T73] fib6_rule_lookup+0x456/0x630 [ 4242.097306][ T73] ip6_route_input+0x59c/0xa50 [ 4242.097306][ T73] ipv6_rcv+0x397/0x810 [ 4242.097306][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4242.097306][ T73] process_backlog+0x101/0x620 [ 4242.097306][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4242.097306][ T73] net_rx_action+0x495/0xbe0 [ 4242.097306][ T73] __do_softirq+0x1b5/0x7f6 [ 4242.097306][ T73] [ 4242.098942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.098942][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.098942][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.098942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.098942][ T73] ip6_route_add+0x1c/0x140 [ 4242.098942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4242.098942][ T73] inet6_addr_add+0x4f8/0xa40 [ 4242.098942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.098942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.098942][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.098942][ T73] netlink_unicast+0x449/0x710 [ 4242.098942][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.098942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.098942][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.098942][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.098942][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.098942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.098942][ T73] [ 4242.100948][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.100948][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.100948][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.100948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.100948][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4242.100948][ T73] ipv6_add_addr+0x411/0x2000 [ 4242.100948][ T73] inet6_addr_add+0x30e/0xa40 [ 4242.100948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.100948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.100948][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.100948][ T73] netlink_unicast+0x449/0x710 [ 4242.100948][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.100948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.100948][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.100948][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.100948][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.100948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.100948][ T73] [ 4242.102941][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.102941][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.102941][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.102941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.102941][ T73] ip6_route_add+0x1c/0x140 [ 4242.102941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4242.102941][ T73] addrconf_add_dev+0xe2/0x170 [ 4242.102941][ T73] inet6_addr_add+0x12f/0xa40 [ 4242.102941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.102941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.102941][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.102941][ T73] netlink_unicast+0x449/0x710 [ 4242.102941][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.102941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.102941][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.102941][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.102941][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.102941][ T73] [ 4242.104913][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.104913][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4242.104913][ T73] ipv6_find_idev+0x102/0x170 [ 4242.104913][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.104913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.104913][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.104913][ T73] netlink_unicast+0x449/0x710 [ 4242.104913][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.104913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.104913][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.104913][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.104913][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.104913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.104913][ T73] [ 4242.106450][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4242.106450][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4242.106450][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4242.106450][ T73] ipv6_find_idev+0x102/0x170 [ 4242.106450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.106450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.106450][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.106450][ T73] netlink_unicast+0x449/0x710 [ 4242.106450][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.106450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.106450][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.106450][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.106450][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.106450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.106450][ T73] [ 4242.108140][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4242.108408][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.108408][ T73] dst_init+0x84/0x4a0 [ 4242.108408][ T73] dst_alloc+0x97/0x150 [ 4242.108408][ T73] ip6_dst_alloc+0x23/0x90 [ 4242.108408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4242.108408][ T73] ip6_pol_route+0x56f/0x840 [ 4242.108408][ T73] fib6_rule_lookup+0x456/0x630 [ 4242.108408][ T73] ip6_route_input+0x59c/0xa50 [ 4242.108408][ T73] ipv6_rcv+0x397/0x810 [ 4242.108408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4242.108408][ T73] process_backlog+0x101/0x620 [ 4242.108408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4242.108408][ T73] net_rx_action+0x495/0xbe0 [ 4242.108408][ T73] __do_softirq+0x1b5/0x7f6 [ 4242.108408][ T73] [ 4242.110040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.110040][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.110040][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.110040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.110040][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4242.110040][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4242.110040][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4242.110040][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4242.110040][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4242.110040][ T73] addrconf_dad_begin+0x310/0x670 [ 4242.110040][ T73] addrconf_dad_work+0x10b/0xab0 [ 4242.110040][ T73] process_one_work+0x84d/0x18a0 [ 4242.110040][ T73] worker_thread+0x587/0xd30 [ 4242.110040][ T73] kthread+0x28a/0x350 [ 4242.110040][ T73] ret_from_fork+0x31/0x70 [ 4242.110040][ T73] ret_from_fork_asm+0x1a/0x30 [ 4242.110040][ T73] [ 4242.111952][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.111952][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.111952][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.111952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.111952][ T73] ip6_route_add+0x1c/0x140 [ 4242.111952][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4242.111952][ T73] inet6_addr_add+0x4f8/0xa40 [ 4242.111952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.111952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.111952][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.111952][ T73] netlink_unicast+0x449/0x710 [ 4242.111952][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.111952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.111952][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.111952][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.111952][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.111952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.111952][ T73] [ 4242.113939][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.113939][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.113939][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.113939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.113939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4242.113939][ T73] ipv6_add_addr+0x411/0x2000 [ 4242.113939][ T73] inet6_addr_add+0x30e/0xa40 [ 4242.113939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.113939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.113939][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.113939][ T73] netlink_unicast+0x449/0x710 [ 4242.113939][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.113939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.113939][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.113939][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.113939][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.113939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.113939][ T73] [ 4242.115928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.115928][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.115928][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.115928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.115928][ T73] ip6_route_add+0x1c/0x140 [ 4242.115928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4242.115928][ T73] addrconf_add_dev+0xe2/0x170 [ 4242.115928][ T73] inet6_addr_add+0x12f/0xa40 [ 4242.115928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.115928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.115928][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.115928][ T73] netlink_unicast+0x449/0x710 [ 4242.115928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.115928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.115928][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.115928][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.115928][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.115928][ T73] [ 4242.117887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.117887][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4242.117887][ T73] ipv6_find_idev+0x102/0x170 [ 4242.117887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.117887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.117887][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.117887][ T73] netlink_unicast+0x449/0x710 [ 4242.117887][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.117887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.117887][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.117887][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.117887][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.117887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.117887][ T73] [ 4242.119416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4242.119416][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4242.119416][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4242.119416][ T73] ipv6_find_idev+0x102/0x170 [ 4242.119416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.119416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.119416][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.119416][ T73] netlink_unicast+0x449/0x710 [ 4242.119416][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.119416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.119416][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.119416][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.119416][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.119416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.119416][ T73] [ 4242.121214][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4242.121478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.121478][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4242.121478][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4242.121478][ T73] fib6_nh_init+0xa22/0x1580 [ 4242.121478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.121478][ T73] ip6_route_add+0x1c/0x140 [ 4242.121478][ T73] inet6_rtm_newroute+0x104/0x110 [ 4242.121478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.121478][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.121478][ T73] netlink_unicast+0x449/0x710 [ 4242.121478][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.121478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.121478][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.121478][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.121478][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.121478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.121478][ T73] [ 4242.123606][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.123606][ T73] dst_init+0x84/0x4a0 [ 4242.123606][ T73] dst_alloc+0x97/0x150 [ 4242.123606][ T73] ip6_dst_alloc+0x23/0x90 [ 4242.123606][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4242.123606][ T73] ip6_pol_route+0x56f/0x840 [ 4242.123606][ T73] fib6_rule_lookup+0x456/0x630 [ 4242.123606][ T73] ip6_route_input+0x59c/0xa50 [ 4242.123606][ T73] ipv6_rcv+0x397/0x810 [ 4242.123606][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4242.123606][ T73] process_backlog+0x101/0x620 [ 4242.123606][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4242.123606][ T73] net_rx_action+0x495/0xbe0 [ 4242.123606][ T73] __do_softirq+0x1b5/0x7f6 [ 4242.123606][ T73] [ 4242.125475][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.125475][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.125475][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.125475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.125475][ T73] ip6_route_add+0x1c/0x140 [ 4242.125475][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4242.125475][ T73] inet6_addr_add+0x4f8/0xa40 [ 4242.125475][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.125475][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.125475][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.125475][ T73] netlink_unicast+0x449/0x710 [ 4242.125475][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.125475][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.125475][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.125475][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.125475][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.125475][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.125475][ T73] [ 4242.127700][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.127700][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.127700][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.127700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.127700][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4242.127700][ T73] ipv6_add_addr+0x411/0x2000 [ 4242.127700][ T73] inet6_addr_add+0x30e/0xa40 [ 4242.127700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.127700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.127700][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.127700][ T73] netlink_unicast+0x449/0x710 [ 4242.127700][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.127700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.127700][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.127700][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.127700][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.127700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.127700][ T73] [ 4242.129820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.129820][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.129820][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.129820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.129820][ T73] ip6_route_add+0x1c/0x140 [ 4242.129820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4242.129820][ T73] addrconf_add_dev+0xe2/0x170 [ 4242.129820][ T73] inet6_addr_add+0x12f/0xa40 [ 4242.129820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.129820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.129820][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.129820][ T73] netlink_unicast+0x449/0x710 [ 4242.129820][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.129820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.129820][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.129820][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.129820][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.129820][ T73] [ 4242.132034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.132034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4242.132034][ T73] ipv6_find_idev+0x102/0x170 [ 4242.132034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.132034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.132034][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.132034][ T73] netlink_unicast+0x449/0x710 [ 4242.132034][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.132034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.132034][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.132034][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.132034][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.132034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.132034][ T73] [ 4242.133743][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4242.133743][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4242.133743][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4242.133743][ T73] ipv6_find_idev+0x102/0x170 [ 4242.133743][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.133743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.133743][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.133743][ T73] netlink_unicast+0x449/0x710 [ 4242.133743][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.133743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.133743][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.133743][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.133743][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.133743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.133743][ T73] [ 4242.135728][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4242.136001][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4242.136001][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.136001][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.136001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.136001][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4242.136001][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4242.136001][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4242.136001][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4242.136001][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4242.136001][ T73] addrconf_dad_begin+0x310/0x670 [ 4242.136001][ T73] addrconf_dad_work+0x10b/0xab0 [ 4242.136001][ T73] process_one_work+0x84d/0x18a0 [ 4242.136001][ T73] worker_thread+0x587/0xd30 [ 4242.136001][ T73] kthread+0x28a/0x350 [ 4242.136001][ T73] ret_from_fork+0x31/0x70 [ 4242.136001][ T73] ret_from_fork_asm+0x1a/0x30 [ 4242.136001][ T73] [ 4242.138145][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4242.138145][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.138145][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.138145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.138145][ T73] ip6_route_add+0x1c/0x140 [ 4242.138145][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4242.138145][ T73] inet6_addr_add+0x4f8/0xa40 [ 4242.138145][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.138145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.138145][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.138145][ T73] netlink_unicast+0x449/0x710 [ 4242.138145][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.138145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.138145][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.138145][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.138145][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.138145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.138145][ T73] [ 4242.140308][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4242.140308][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.140308][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.140308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.140308][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4242.140308][ T73] ipv6_add_addr+0x411/0x2000 [ 4242.140308][ T73] inet6_addr_add+0x30e/0xa40 [ 4242.140308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.140308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.140308][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.140308][ T73] netlink_unicast+0x449/0x710 [ 4242.140308][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.140308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.140308][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.140308][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.140308][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.140308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.140308][ T73] [ 4242.143060][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4242.143060][ T73] netdev_get_by_index+0x5e/0x80 [ 4242.143060][ T73] fib6_nh_init+0x3d8/0x1580 [ 4242.143060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4242.143060][ T73] ip6_route_add+0x1c/0x140 [ 4242.143060][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4242.143060][ T73] addrconf_add_dev+0xe2/0x170 [ 4242.143060][ T73] inet6_addr_add+0x12f/0xa40 [ 4242.143060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4242.143060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.143060][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.143060][ T73] netlink_unicast+0x449/0x710 [ 4242.143060][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.143060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.143060][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.143060][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.143060][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.143060][ T73] [ 4242.145326][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4242.145326][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4242.145326][ T73] ipv6_find_idev+0x102/0x170 [ 4242.145326][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.145326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.145326][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.145326][ T73] netlink_unicast+0x449/0x710 [ 4242.145326][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.145326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.145326][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.145326][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.145326][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.145326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.145326][ T73] [ 4242.147036][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4242.147036][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4242.147036][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4242.147036][ T73] ipv6_find_idev+0x102/0x170 [ 4242.147036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4242.147036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4242.147036][ T73] netlink_rcv_skb+0x130/0x360 [ 4242.147036][ T73] netlink_unicast+0x449/0x710 [ 4242.147036][ T73] netlink_sendmsg+0x723/0xbe0 [ 4242.147036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4242.147036][ T73] ___sys_sendmsg+0xee/0x170 [ 4242.147036][ T73] __sys_sendmsg+0xcd/0x170 [ 4242.147036][ T73] do_syscall_64+0xc6/0x1e0 [ 4242.147036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4242.147036][ T73] [ 4252.286913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4252.287372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.287372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4252.287372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4252.287372][ T73] fib6_nh_init+0xa22/0x1580 [ 4252.287372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.287372][ T73] ip6_route_add+0x1c/0x140 [ 4252.287372][ T73] inet6_rtm_newroute+0x104/0x110 [ 4252.287372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.287372][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.287372][ T73] netlink_unicast+0x449/0x710 [ 4252.287372][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.287372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.287372][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.287372][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.287372][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.287372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.287372][ T73] [ 4252.289262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.289262][ T73] dst_init+0x84/0x4a0 [ 4252.289262][ T73] dst_alloc+0x97/0x150 [ 4252.289262][ T73] ip6_dst_alloc+0x23/0x90 [ 4252.289262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4252.289262][ T73] ip6_pol_route+0x56f/0x840 [ 4252.289262][ T73] fib6_rule_lookup+0x456/0x630 [ 4252.289262][ T73] ip6_route_input+0x59c/0xa50 [ 4252.289262][ T73] ipv6_rcv+0x397/0x810 [ 4252.289262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4252.289262][ T73] process_backlog+0x101/0x620 [ 4252.289262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4252.289262][ T73] net_rx_action+0x495/0xbe0 [ 4252.289262][ T73] __do_softirq+0x1b5/0x7f6 [ 4252.289262][ T73] [ 4252.290917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.290917][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.290917][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.290917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.290917][ T73] ip6_route_add+0x1c/0x140 [ 4252.290917][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4252.290917][ T73] inet6_addr_add+0x4f8/0xa40 [ 4252.290917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.290917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.290917][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.290917][ T73] netlink_unicast+0x449/0x710 [ 4252.290917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.290917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.290917][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.290917][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.290917][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.290917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.290917][ T73] [ 4252.292919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.292919][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.292919][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.292919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.292919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4252.292919][ T73] ipv6_add_addr+0x411/0x2000 [ 4252.292919][ T73] inet6_addr_add+0x30e/0xa40 [ 4252.292919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.292919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.292919][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.292919][ T73] netlink_unicast+0x449/0x710 [ 4252.292919][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.292919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.292919][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.292919][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.292919][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.292919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.292919][ T73] [ 4252.294918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.294918][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.294918][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.294918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.294918][ T73] ip6_route_add+0x1c/0x140 [ 4252.294918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4252.294918][ T73] addrconf_add_dev+0xe2/0x170 [ 4252.294918][ T73] inet6_addr_add+0x12f/0xa40 [ 4252.294918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.294918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.294918][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.294918][ T73] netlink_unicast+0x449/0x710 [ 4252.294918][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.294918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.294918][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.294918][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.294918][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.294918][ T73] [ 4252.296874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.296874][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4252.296874][ T73] ipv6_find_idev+0x102/0x170 [ 4252.296874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.296874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.296874][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.296874][ T73] netlink_unicast+0x449/0x710 [ 4252.296874][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.296874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.296874][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.296874][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.296874][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.296874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.296874][ T73] [ 4252.298407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4252.298407][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4252.298407][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4252.298407][ T73] ipv6_find_idev+0x102/0x170 [ 4252.298407][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.298407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.298407][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.298407][ T73] netlink_unicast+0x449/0x710 [ 4252.298407][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.298407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.298407][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.298407][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.298407][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.298407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.298407][ T73] [ 4252.300094][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4252.300365][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.300365][ T73] dst_init+0x84/0x4a0 [ 4252.300365][ T73] dst_alloc+0x97/0x150 [ 4252.300365][ T73] ip6_dst_alloc+0x23/0x90 [ 4252.300365][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4252.300365][ T73] ip6_pol_route+0x56f/0x840 [ 4252.300365][ T73] fib6_rule_lookup+0x456/0x630 [ 4252.300365][ T73] ip6_route_input+0x59c/0xa50 [ 4252.300365][ T73] ipv6_rcv+0x397/0x810 [ 4252.300365][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4252.300365][ T73] process_backlog+0x101/0x620 [ 4252.300365][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4252.300365][ T73] net_rx_action+0x495/0xbe0 [ 4252.300365][ T73] __do_softirq+0x1b5/0x7f6 [ 4252.300365][ T73] [ 4252.302013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.302013][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.302013][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.302013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.302013][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4252.302013][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4252.302013][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4252.302013][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4252.302013][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4252.302013][ T73] addrconf_dad_begin+0x310/0x670 [ 4252.302013][ T73] addrconf_dad_work+0x10b/0xab0 [ 4252.302013][ T73] process_one_work+0x84d/0x18a0 [ 4252.302013][ T73] worker_thread+0x587/0xd30 [ 4252.302013][ T73] kthread+0x28a/0x350 [ 4252.302013][ T73] ret_from_fork+0x31/0x70 [ 4252.302013][ T73] ret_from_fork_asm+0x1a/0x30 [ 4252.302013][ T73] [ 4252.303908][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.303908][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.303908][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.303908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.303908][ T73] ip6_route_add+0x1c/0x140 [ 4252.303908][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4252.303908][ T73] inet6_addr_add+0x4f8/0xa40 [ 4252.303908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.303908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.303908][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.303908][ T73] netlink_unicast+0x449/0x710 [ 4252.303908][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.303908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.303908][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.303908][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.303908][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.303908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.303908][ T73] [ 4252.305928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.305928][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.305928][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.305928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.305928][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4252.305928][ T73] ipv6_add_addr+0x411/0x2000 [ 4252.305928][ T73] inet6_addr_add+0x30e/0xa40 [ 4252.305928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.305928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.305928][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.305928][ T73] netlink_unicast+0x449/0x710 [ 4252.305928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.305928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.305928][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.305928][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.305928][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.305928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.305928][ T73] [ 4252.307922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.307922][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.307922][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.307922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.307922][ T73] ip6_route_add+0x1c/0x140 [ 4252.307922][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4252.307922][ T73] addrconf_add_dev+0xe2/0x170 [ 4252.307922][ T73] inet6_addr_add+0x12f/0xa40 [ 4252.307922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.307922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.307922][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.307922][ T73] netlink_unicast+0x449/0x710 [ 4252.307922][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.307922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.307922][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.307922][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.307922][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.307922][ T73] [ 4252.309879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.309879][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4252.309879][ T73] ipv6_find_idev+0x102/0x170 [ 4252.309879][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.309879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.309879][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.309879][ T73] netlink_unicast+0x449/0x710 [ 4252.309879][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.309879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.309879][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.309879][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.309879][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.309879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.309879][ T73] [ 4252.311430][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4252.311430][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4252.311430][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4252.311430][ T73] ipv6_find_idev+0x102/0x170 [ 4252.311430][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.311430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.311430][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.311430][ T73] netlink_unicast+0x449/0x710 [ 4252.311430][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.311430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.311430][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.311430][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.311430][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.311430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.311430][ T73] [ 4252.313240][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4252.313511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.313511][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4252.313511][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4252.313511][ T73] fib6_nh_init+0xa22/0x1580 [ 4252.313511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.313511][ T73] ip6_route_add+0x1c/0x140 [ 4252.313511][ T73] inet6_rtm_newroute+0x104/0x110 [ 4252.313511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.313511][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.313511][ T73] netlink_unicast+0x449/0x710 [ 4252.313511][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.313511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.313511][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.313511][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.313511][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.313511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.313511][ T73] [ 4252.315689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.315689][ T73] dst_init+0x84/0x4a0 [ 4252.315689][ T73] dst_alloc+0x97/0x150 [ 4252.315689][ T73] ip6_dst_alloc+0x23/0x90 [ 4252.315689][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4252.315689][ T73] ip6_pol_route+0x56f/0x840 [ 4252.315689][ T73] fib6_rule_lookup+0x456/0x630 [ 4252.315689][ T73] ip6_route_input+0x59c/0xa50 [ 4252.315689][ T73] ipv6_rcv+0x397/0x810 [ 4252.315689][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4252.315689][ T73] process_backlog+0x101/0x620 [ 4252.315689][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4252.315689][ T73] net_rx_action+0x495/0xbe0 [ 4252.315689][ T73] __do_softirq+0x1b5/0x7f6 [ 4252.315689][ T73] [ 4252.317508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.317508][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.317508][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.317508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.317508][ T73] ip6_route_add+0x1c/0x140 [ 4252.317508][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4252.317508][ T73] inet6_addr_add+0x4f8/0xa40 [ 4252.317508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.317508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.317508][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.317508][ T73] netlink_unicast+0x449/0x710 [ 4252.317508][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.317508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.317508][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.317508][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.317508][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.317508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.317508][ T73] [ 4252.319735][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.319735][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.319735][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.319735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.319735][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4252.319735][ T73] ipv6_add_addr+0x411/0x2000 [ 4252.319735][ T73] inet6_addr_add+0x30e/0xa40 [ 4252.319735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.319735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.319735][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.319735][ T73] netlink_unicast+0x449/0x710 [ 4252.319735][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.319735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.319735][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.319735][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.319735][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.319735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.319735][ T73] [ 4252.321856][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.321856][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.321856][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.321856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.321856][ T73] ip6_route_add+0x1c/0x140 [ 4252.321856][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4252.321856][ T73] addrconf_add_dev+0xe2/0x170 [ 4252.321856][ T73] inet6_addr_add+0x12f/0xa40 [ 4252.321856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.321856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.321856][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.321856][ T73] netlink_unicast+0x449/0x710 [ 4252.321856][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.321856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.321856][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.321856][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.321856][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.321856][ T73] [ 4252.324121][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.324121][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4252.324121][ T73] ipv6_find_idev+0x102/0x170 [ 4252.324121][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.324121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.324121][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.324121][ T73] netlink_unicast+0x449/0x710 [ 4252.324121][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.324121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.324121][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.324121][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.324121][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.324121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.324121][ T73] [ 4252.325838][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4252.325838][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4252.325838][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4252.325838][ T73] ipv6_find_idev+0x102/0x170 [ 4252.325838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.325838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.325838][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.325838][ T73] netlink_unicast+0x449/0x710 [ 4252.325838][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.325838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.325838][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.325838][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.325838][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.325838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.325838][ T73] [ 4252.327764][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4252.328095][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4252.328095][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.328095][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.328095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.328095][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4252.328095][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4252.328095][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4252.328095][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4252.328095][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4252.328095][ T73] addrconf_dad_begin+0x310/0x670 [ 4252.328095][ T73] addrconf_dad_work+0x10b/0xab0 [ 4252.328095][ T73] process_one_work+0x84d/0x18a0 [ 4252.328095][ T73] worker_thread+0x587/0xd30 [ 4252.328095][ T73] kthread+0x28a/0x350 [ 4252.328095][ T73] ret_from_fork+0x31/0x70 [ 4252.328095][ T73] ret_from_fork_asm+0x1a/0x30 [ 4252.328095][ T73] [ 4252.330183][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4252.330183][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.330183][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.330183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.330183][ T73] ip6_route_add+0x1c/0x140 [ 4252.330183][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4252.330183][ T73] inet6_addr_add+0x4f8/0xa40 [ 4252.330183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.330183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.330183][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.330183][ T73] netlink_unicast+0x449/0x710 [ 4252.330183][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.330183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.330183][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.330183][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.330183][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.330183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.330183][ T73] [ 4252.332436][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4252.332436][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.332436][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.332436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.332436][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4252.332436][ T73] ipv6_add_addr+0x411/0x2000 [ 4252.332436][ T73] inet6_addr_add+0x30e/0xa40 [ 4252.332436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.332436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.332436][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.332436][ T73] netlink_unicast+0x449/0x710 [ 4252.332436][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.332436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.332436][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.332436][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.332436][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.332436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.332436][ T73] [ 4252.334731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4252.334731][ T73] netdev_get_by_index+0x5e/0x80 [ 4252.334731][ T73] fib6_nh_init+0x3d8/0x1580 [ 4252.334731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4252.334731][ T73] ip6_route_add+0x1c/0x140 [ 4252.334731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4252.334731][ T73] addrconf_add_dev+0xe2/0x170 [ 4252.334731][ T73] inet6_addr_add+0x12f/0xa40 [ 4252.334731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4252.334731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.334731][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.334731][ T73] netlink_unicast+0x449/0x710 [ 4252.334731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.334731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.334731][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.334731][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.334731][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.334731][ T73] [ 4252.336878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4252.336878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4252.336878][ T73] ipv6_find_idev+0x102/0x170 [ 4252.336878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.336878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.336878][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.336878][ T73] netlink_unicast+0x449/0x710 [ 4252.336878][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.336878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.336878][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.336878][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.336878][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.336878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.336878][ T73] [ 4252.338596][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4252.338596][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4252.338596][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4252.338596][ T73] ipv6_find_idev+0x102/0x170 [ 4252.338596][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4252.338596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4252.338596][ T73] netlink_rcv_skb+0x130/0x360 [ 4252.338596][ T73] netlink_unicast+0x449/0x710 [ 4252.338596][ T73] netlink_sendmsg+0x723/0xbe0 [ 4252.338596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4252.338596][ T73] ___sys_sendmsg+0xee/0x170 [ 4252.338596][ T73] __sys_sendmsg+0xcd/0x170 [ 4252.338596][ T73] do_syscall_64+0xc6/0x1e0 [ 4252.338596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4252.338596][ T73] [ 4262.358900][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4262.359408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.359408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4262.359408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4262.359408][ T73] fib6_nh_init+0xa22/0x1580 [ 4262.359408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.359408][ T73] ip6_route_add+0x1c/0x140 [ 4262.359408][ T73] inet6_rtm_newroute+0x104/0x110 [ 4262.359408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.359408][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.359408][ T73] netlink_unicast+0x449/0x710 [ 4262.359408][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.359408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.359408][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.359408][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.359408][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.359408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.359408][ T73] [ 4262.361335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.361335][ T73] dst_init+0x84/0x4a0 [ 4262.361335][ T73] dst_alloc+0x97/0x150 [ 4262.361335][ T73] ip6_dst_alloc+0x23/0x90 [ 4262.361335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4262.361335][ T73] ip6_pol_route+0x56f/0x840 [ 4262.361335][ T73] fib6_rule_lookup+0x456/0x630 [ 4262.361335][ T73] ip6_route_input+0x59c/0xa50 [ 4262.361335][ T73] ipv6_rcv+0x397/0x810 [ 4262.361335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4262.361335][ T73] process_backlog+0x101/0x620 [ 4262.361335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4262.361335][ T73] net_rx_action+0x495/0xbe0 [ 4262.361335][ T73] __do_softirq+0x1b5/0x7f6 [ 4262.361335][ T73] [ 4262.362988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.362988][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.362988][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.362988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.362988][ T73] ip6_route_add+0x1c/0x140 [ 4262.362988][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4262.362988][ T73] inet6_addr_add+0x4f8/0xa40 [ 4262.362988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.362988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.362988][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.362988][ T73] netlink_unicast+0x449/0x710 [ 4262.362988][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.362988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.362988][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.362988][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.362988][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.362988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.362988][ T73] [ 4262.364994][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.364994][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.364994][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.364994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.364994][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4262.364994][ T73] ipv6_add_addr+0x411/0x2000 [ 4262.364994][ T73] inet6_addr_add+0x30e/0xa40 [ 4262.364994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.364994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.364994][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.364994][ T73] netlink_unicast+0x449/0x710 [ 4262.364994][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.364994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.364994][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.364994][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.364994][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.364994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.364994][ T73] [ 4262.367007][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.367007][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.367007][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.367007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.367007][ T73] ip6_route_add+0x1c/0x140 [ 4262.367007][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4262.367007][ T73] addrconf_add_dev+0xe2/0x170 [ 4262.367007][ T73] inet6_addr_add+0x12f/0xa40 [ 4262.367007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.367007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.367007][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.367007][ T73] netlink_unicast+0x449/0x710 [ 4262.367007][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.367007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.367007][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.367007][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.367007][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.367007][ T73] [ 4262.368981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.368981][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4262.368981][ T73] ipv6_find_idev+0x102/0x170 [ 4262.368981][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.368981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.368981][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.368981][ T73] netlink_unicast+0x449/0x710 [ 4262.368981][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.368981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.368981][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.368981][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.368981][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.368981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.368981][ T73] [ 4262.370527][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4262.370527][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4262.370527][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4262.370527][ T73] ipv6_find_idev+0x102/0x170 [ 4262.370527][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.370527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.370527][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.370527][ T73] netlink_unicast+0x449/0x710 [ 4262.370527][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.370527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.370527][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.370527][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.370527][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.370527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.370527][ T73] [ 4262.372239][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4262.372516][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.372516][ T73] dst_init+0x84/0x4a0 [ 4262.372516][ T73] dst_alloc+0x97/0x150 [ 4262.372516][ T73] ip6_dst_alloc+0x23/0x90 [ 4262.372516][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4262.372516][ T73] ip6_pol_route+0x56f/0x840 [ 4262.372516][ T73] fib6_rule_lookup+0x456/0x630 [ 4262.372516][ T73] ip6_route_input+0x59c/0xa50 [ 4262.372516][ T73] ipv6_rcv+0x397/0x810 [ 4262.372516][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4262.372516][ T73] process_backlog+0x101/0x620 [ 4262.372516][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4262.372516][ T73] net_rx_action+0x495/0xbe0 [ 4262.372516][ T73] __do_softirq+0x1b5/0x7f6 [ 4262.372516][ T73] [ 4262.374169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.374169][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.374169][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.374169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.374169][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4262.374169][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4262.374169][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4262.374169][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4262.374169][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4262.374169][ T73] addrconf_dad_begin+0x310/0x670 [ 4262.374169][ T73] addrconf_dad_work+0x10b/0xab0 [ 4262.374169][ T73] process_one_work+0x84d/0x18a0 [ 4262.374169][ T73] worker_thread+0x587/0xd30 [ 4262.374169][ T73] kthread+0x28a/0x350 [ 4262.374169][ T73] ret_from_fork+0x31/0x70 [ 4262.374169][ T73] ret_from_fork_asm+0x1a/0x30 [ 4262.374169][ T73] [ 4262.376078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.376078][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.376078][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.376078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.376078][ T73] ip6_route_add+0x1c/0x140 [ 4262.376078][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4262.376078][ T73] inet6_addr_add+0x4f8/0xa40 [ 4262.376078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.376078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.376078][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.376078][ T73] netlink_unicast+0x449/0x710 [ 4262.376078][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.376078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.376078][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.376078][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.376078][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.376078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.376078][ T73] [ 4262.378074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.378074][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.378074][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.378074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.378074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4262.378074][ T73] ipv6_add_addr+0x411/0x2000 [ 4262.378074][ T73] inet6_addr_add+0x30e/0xa40 [ 4262.378074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.378074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.378074][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.378074][ T73] netlink_unicast+0x449/0x710 [ 4262.378074][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.378074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.378074][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.378074][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.378074][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.378074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.378074][ T73] [ 4262.380075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.380075][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.380075][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.380075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.380075][ T73] ip6_route_add+0x1c/0x140 [ 4262.380075][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4262.380075][ T73] addrconf_add_dev+0xe2/0x170 [ 4262.380075][ T73] inet6_addr_add+0x12f/0xa40 [ 4262.380075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.380075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.380075][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.380075][ T73] netlink_unicast+0x449/0x710 [ 4262.380075][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.380075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.380075][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.380075][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.380075][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.380075][ T73] [ 4262.382044][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.382044][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4262.382044][ T73] ipv6_find_idev+0x102/0x170 [ 4262.382044][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.382044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.382044][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.382044][ T73] netlink_unicast+0x449/0x710 [ 4262.382044][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.382044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.382044][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.382044][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.382044][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.382044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.382044][ T73] [ 4262.383582][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4262.383582][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4262.383582][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4262.383582][ T73] ipv6_find_idev+0x102/0x170 [ 4262.383582][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.383582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.383582][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.383582][ T73] netlink_unicast+0x449/0x710 [ 4262.383582][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.383582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.383582][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.383582][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.383582][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.383582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.383582][ T73] [ 4262.385406][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4262.385681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.385681][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4262.385681][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4262.385681][ T73] fib6_nh_init+0xa22/0x1580 [ 4262.385681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.385681][ T73] ip6_route_add+0x1c/0x140 [ 4262.385681][ T73] inet6_rtm_newroute+0x104/0x110 [ 4262.385681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.385681][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.385681][ T73] netlink_unicast+0x449/0x710 [ 4262.385681][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.385681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.385681][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.385681][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.385681][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.385681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.385681][ T73] [ 4262.387870][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.387870][ T73] dst_init+0x84/0x4a0 [ 4262.387870][ T73] dst_alloc+0x97/0x150 [ 4262.387870][ T73] ip6_dst_alloc+0x23/0x90 [ 4262.387870][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4262.387870][ T73] ip6_pol_route+0x56f/0x840 [ 4262.387870][ T73] fib6_rule_lookup+0x456/0x630 [ 4262.387870][ T73] ip6_route_input+0x59c/0xa50 [ 4262.387870][ T73] ipv6_rcv+0x397/0x810 [ 4262.387870][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4262.387870][ T73] process_backlog+0x101/0x620 [ 4262.387870][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4262.387870][ T73] net_rx_action+0x495/0xbe0 [ 4262.387870][ T73] __do_softirq+0x1b5/0x7f6 [ 4262.387870][ T73] [ 4262.389689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.389689][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.389689][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.389689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.389689][ T73] ip6_route_add+0x1c/0x140 [ 4262.389689][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4262.389689][ T73] inet6_addr_add+0x4f8/0xa40 [ 4262.389689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.389689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.389689][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.389689][ T73] netlink_unicast+0x449/0x710 [ 4262.389689][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.389689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.389689][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.389689][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.389689][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.389689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.389689][ T73] [ 4262.391945][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.391945][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.391945][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.391945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.391945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4262.391945][ T73] ipv6_add_addr+0x411/0x2000 [ 4262.391945][ T73] inet6_addr_add+0x30e/0xa40 [ 4262.391945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.391945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.391945][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.391945][ T73] netlink_unicast+0x449/0x710 [ 4262.391945][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.391945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.391945][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.391945][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.391945][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.391945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.391945][ T73] [ 4262.394186][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.394186][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.394186][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.394186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.394186][ T73] ip6_route_add+0x1c/0x140 [ 4262.394186][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4262.394186][ T73] addrconf_add_dev+0xe2/0x170 [ 4262.394186][ T73] inet6_addr_add+0x12f/0xa40 [ 4262.394186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.394186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.394186][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.394186][ T73] netlink_unicast+0x449/0x710 [ 4262.394186][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.394186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.394186][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.394186][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.394186][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.394186][ T73] [ 4262.396404][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.396404][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4262.396404][ T73] ipv6_find_idev+0x102/0x170 [ 4262.396404][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.396404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.396404][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.396404][ T73] netlink_unicast+0x449/0x710 [ 4262.396404][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.396404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.396404][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.396404][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.396404][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.396404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.396404][ T73] [ 4262.398127][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4262.398127][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4262.398127][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4262.398127][ T73] ipv6_find_idev+0x102/0x170 [ 4262.398127][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.398127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.398127][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.398127][ T73] netlink_unicast+0x449/0x710 [ 4262.398127][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.398127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.398127][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.398127][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.398127][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.398127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.398127][ T73] [ 4262.400062][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4262.400334][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4262.400334][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.400334][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.400334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.400334][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4262.400334][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4262.400334][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4262.400334][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4262.400334][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4262.400334][ T73] addrconf_dad_begin+0x310/0x670 [ 4262.400334][ T73] addrconf_dad_work+0x10b/0xab0 [ 4262.400334][ T73] process_one_work+0x84d/0x18a0 [ 4262.400334][ T73] worker_thread+0x587/0xd30 [ 4262.400334][ T73] kthread+0x28a/0x350 [ 4262.400334][ T73] ret_from_fork+0x31/0x70 [ 4262.400334][ T73] ret_from_fork_asm+0x1a/0x30 [ 4262.400334][ T73] [ 4262.402496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4262.402496][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.402496][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.402496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.402496][ T73] ip6_route_add+0x1c/0x140 [ 4262.402496][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4262.402496][ T73] inet6_addr_add+0x4f8/0xa40 [ 4262.402496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.402496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.402496][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.402496][ T73] netlink_unicast+0x449/0x710 [ 4262.402496][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.402496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.402496][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.402496][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.402496][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.402496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.402496][ T73] [ 4262.404758][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4262.404758][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.404758][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.404758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.404758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4262.404758][ T73] ipv6_add_addr+0x411/0x2000 [ 4262.404758][ T73] inet6_addr_add+0x30e/0xa40 [ 4262.404758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.404758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.404758][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.404758][ T73] netlink_unicast+0x449/0x710 [ 4262.404758][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.404758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.404758][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.404758][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.404758][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.404758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.404758][ T73] [ 4262.406996][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4262.406996][ T73] netdev_get_by_index+0x5e/0x80 [ 4262.406996][ T73] fib6_nh_init+0x3d8/0x1580 [ 4262.406996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4262.406996][ T73] ip6_route_add+0x1c/0x140 [ 4262.406996][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4262.406996][ T73] addrconf_add_dev+0xe2/0x170 [ 4262.406996][ T73] inet6_addr_add+0x12f/0xa40 [ 4262.406996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4262.406996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.406996][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.406996][ T73] netlink_unicast+0x449/0x710 [ 4262.406996][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.406996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.406996][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.406996][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.406996][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.406996][ T73] [ 4262.409207][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4262.409207][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4262.409207][ T73] ipv6_find_idev+0x102/0x170 [ 4262.409207][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.409207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.409207][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.409207][ T73] netlink_unicast+0x449/0x710 [ 4262.409207][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.409207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.409207][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.409207][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.409207][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.409207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.409207][ T73] [ 4262.410943][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4262.410943][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4262.410943][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4262.410943][ T73] ipv6_find_idev+0x102/0x170 [ 4262.410943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4262.410943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4262.410943][ T73] netlink_rcv_skb+0x130/0x360 [ 4262.410943][ T73] netlink_unicast+0x449/0x710 [ 4262.410943][ T73] netlink_sendmsg+0x723/0xbe0 [ 4262.410943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4262.410943][ T73] ___sys_sendmsg+0xee/0x170 [ 4262.410943][ T73] __sys_sendmsg+0xcd/0x170 [ 4262.410943][ T73] do_syscall_64+0xc6/0x1e0 [ 4262.410943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4262.410943][ T73] [ 4272.654969][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4272.655446][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.655446][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4272.655446][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4272.655446][ T73] fib6_nh_init+0xa22/0x1580 [ 4272.655446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.655446][ T73] ip6_route_add+0x1c/0x140 [ 4272.655446][ T73] inet6_rtm_newroute+0x104/0x110 [ 4272.655446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.655446][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.655446][ T73] netlink_unicast+0x449/0x710 [ 4272.655446][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.655446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.655446][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.655446][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.655446][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.655446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.655446][ T73] [ 4272.657354][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.657354][ T73] dst_init+0x84/0x4a0 [ 4272.657354][ T73] dst_alloc+0x97/0x150 [ 4272.657354][ T73] ip6_dst_alloc+0x23/0x90 [ 4272.657354][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4272.657354][ T73] ip6_pol_route+0x56f/0x840 [ 4272.657354][ T73] fib6_rule_lookup+0x456/0x630 [ 4272.657354][ T73] ip6_route_input+0x59c/0xa50 [ 4272.657354][ T73] ipv6_rcv+0x397/0x810 [ 4272.657354][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4272.657354][ T73] process_backlog+0x101/0x620 [ 4272.657354][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4272.657354][ T73] net_rx_action+0x495/0xbe0 [ 4272.657354][ T73] __do_softirq+0x1b5/0x7f6 [ 4272.657354][ T73] [ 4272.659009][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.659009][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.659009][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.659009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.659009][ T73] ip6_route_add+0x1c/0x140 [ 4272.659009][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4272.659009][ T73] inet6_addr_add+0x4f8/0xa40 [ 4272.659009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.659009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.659009][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.659009][ T73] netlink_unicast+0x449/0x710 [ 4272.659009][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.659009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.659009][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.659009][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.659009][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.659009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.659009][ T73] [ 4272.661032][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.661032][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.661032][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.661032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.661032][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4272.661032][ T73] ipv6_add_addr+0x411/0x2000 [ 4272.661032][ T73] inet6_addr_add+0x30e/0xa40 [ 4272.661032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.661032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.661032][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.661032][ T73] netlink_unicast+0x449/0x710 [ 4272.661032][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.661032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.661032][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.661032][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.661032][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.661032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.661032][ T73] [ 4272.663045][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.663045][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.663045][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.663045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.663045][ T73] ip6_route_add+0x1c/0x140 [ 4272.663045][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4272.663045][ T73] addrconf_add_dev+0xe2/0x170 [ 4272.663045][ T73] inet6_addr_add+0x12f/0xa40 [ 4272.663045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.663045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.663045][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.663045][ T73] netlink_unicast+0x449/0x710 [ 4272.663045][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.663045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.663045][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.663045][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.663045][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.663045][ T73] [ 4272.665029][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.665029][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4272.665029][ T73] ipv6_find_idev+0x102/0x170 [ 4272.665029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.665029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.665029][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.665029][ T73] netlink_unicast+0x449/0x710 [ 4272.665029][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.665029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.665029][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.665029][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.665029][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.665029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.665029][ T73] [ 4272.666576][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4272.666576][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4272.666576][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4272.666576][ T73] ipv6_find_idev+0x102/0x170 [ 4272.666576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.666576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.666576][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.666576][ T73] netlink_unicast+0x449/0x710 [ 4272.666576][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.666576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.666576][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.666576][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.666576][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.666576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.666576][ T73] [ 4272.668311][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4272.668591][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.668591][ T73] dst_init+0x84/0x4a0 [ 4272.668591][ T73] dst_alloc+0x97/0x150 [ 4272.668591][ T73] ip6_dst_alloc+0x23/0x90 [ 4272.668591][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4272.668591][ T73] ip6_pol_route+0x56f/0x840 [ 4272.668591][ T73] fib6_rule_lookup+0x456/0x630 [ 4272.668591][ T73] ip6_route_input+0x59c/0xa50 [ 4272.668591][ T73] ipv6_rcv+0x397/0x810 [ 4272.668591][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4272.668591][ T73] process_backlog+0x101/0x620 [ 4272.668591][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4272.668591][ T73] net_rx_action+0x495/0xbe0 [ 4272.668591][ T73] __do_softirq+0x1b5/0x7f6 [ 4272.668591][ T73] [ 4272.670243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.670243][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.670243][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.670243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.670243][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4272.670243][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4272.670243][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4272.670243][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4272.670243][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4272.670243][ T73] addrconf_dad_begin+0x310/0x670 [ 4272.670243][ T73] addrconf_dad_work+0x10b/0xab0 [ 4272.670243][ T73] process_one_work+0x84d/0x18a0 [ 4272.670243][ T73] worker_thread+0x587/0xd30 [ 4272.670243][ T73] kthread+0x28a/0x350 [ 4272.670243][ T73] ret_from_fork+0x31/0x70 [ 4272.670243][ T73] ret_from_fork_asm+0x1a/0x30 [ 4272.670243][ T73] [ 4272.672170][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.672170][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.672170][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.672170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.672170][ T73] ip6_route_add+0x1c/0x140 [ 4272.672170][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4272.672170][ T73] inet6_addr_add+0x4f8/0xa40 [ 4272.672170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.672170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.672170][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.672170][ T73] netlink_unicast+0x449/0x710 [ 4272.672170][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.672170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.672170][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.672170][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.672170][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.672170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.672170][ T73] [ 4272.674193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.674193][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.674193][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.674193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.674193][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4272.674193][ T73] ipv6_add_addr+0x411/0x2000 [ 4272.674193][ T73] inet6_addr_add+0x30e/0xa40 [ 4272.674193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.674193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.674193][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.674193][ T73] netlink_unicast+0x449/0x710 [ 4272.674193][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.674193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.674193][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.674193][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.674193][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.674193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.674193][ T73] [ 4272.676202][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.676202][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.676202][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.676202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.676202][ T73] ip6_route_add+0x1c/0x140 [ 4272.676202][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4272.676202][ T73] addrconf_add_dev+0xe2/0x170 [ 4272.676202][ T73] inet6_addr_add+0x12f/0xa40 [ 4272.676202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.676202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.676202][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.676202][ T73] netlink_unicast+0x449/0x710 [ 4272.676202][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.676202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.676202][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.676202][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.676202][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.676202][ T73] [ 4272.678184][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.678184][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4272.678184][ T73] ipv6_find_idev+0x102/0x170 [ 4272.678184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.678184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.678184][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.678184][ T73] netlink_unicast+0x449/0x710 [ 4272.678184][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.678184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.678184][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.678184][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.678184][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.678184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.678184][ T73] [ 4272.679735][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4272.679735][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4272.679735][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4272.679735][ T73] ipv6_find_idev+0x102/0x170 [ 4272.679735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.679735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.679735][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.679735][ T73] netlink_unicast+0x449/0x710 [ 4272.679735][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.679735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.679735][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.679735][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.679735][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.679735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.679735][ T73] [ 4272.681564][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4272.681848][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.681848][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4272.681848][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4272.681848][ T73] fib6_nh_init+0xa22/0x1580 [ 4272.681848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.681848][ T73] ip6_route_add+0x1c/0x140 [ 4272.681848][ T73] inet6_rtm_newroute+0x104/0x110 [ 4272.681848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.681848][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.681848][ T73] netlink_unicast+0x449/0x710 [ 4272.681848][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.681848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.681848][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.681848][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.681848][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.681848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.681848][ T73] [ 4272.684039][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.684039][ T73] dst_init+0x84/0x4a0 [ 4272.684039][ T73] dst_alloc+0x97/0x150 [ 4272.684039][ T73] ip6_dst_alloc+0x23/0x90 [ 4272.684039][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4272.684039][ T73] ip6_pol_route+0x56f/0x840 [ 4272.684039][ T73] fib6_rule_lookup+0x456/0x630 [ 4272.684039][ T73] ip6_route_input+0x59c/0xa50 [ 4272.684039][ T73] ipv6_rcv+0x397/0x810 [ 4272.684039][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4272.684039][ T73] process_backlog+0x101/0x620 [ 4272.684039][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4272.684039][ T73] net_rx_action+0x495/0xbe0 [ 4272.684039][ T73] __do_softirq+0x1b5/0x7f6 [ 4272.684039][ T73] [ 4272.685866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.685866][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.685866][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.685866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.685866][ T73] ip6_route_add+0x1c/0x140 [ 4272.685866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4272.685866][ T73] inet6_addr_add+0x4f8/0xa40 [ 4272.685866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.685866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.685866][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.685866][ T73] netlink_unicast+0x449/0x710 [ 4272.685866][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.685866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.685866][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.685866][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.685866][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.685866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.685866][ T73] [ 4272.688118][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.688118][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.688118][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.688118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.688118][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4272.688118][ T73] ipv6_add_addr+0x411/0x2000 [ 4272.688118][ T73] inet6_addr_add+0x30e/0xa40 [ 4272.688118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.688118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.688118][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.688118][ T73] netlink_unicast+0x449/0x710 [ 4272.688118][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.688118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.688118][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.688118][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.688118][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.688118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.688118][ T73] [ 4272.690364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.690364][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.690364][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.690364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.690364][ T73] ip6_route_add+0x1c/0x140 [ 4272.690364][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4272.690364][ T73] addrconf_add_dev+0xe2/0x170 [ 4272.690364][ T73] inet6_addr_add+0x12f/0xa40 [ 4272.690364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.690364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.690364][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.690364][ T73] netlink_unicast+0x449/0x710 [ 4272.690364][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.690364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.690364][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.690364][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.690364][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.690364][ T73] [ 4272.692585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.692585][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4272.692585][ T73] ipv6_find_idev+0x102/0x170 [ 4272.692585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.692585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.692585][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.692585][ T73] netlink_unicast+0x449/0x710 [ 4272.692585][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.692585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.692585][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.692585][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.692585][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.692585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.692585][ T73] [ 4272.694312][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4272.694312][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4272.694312][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4272.694312][ T73] ipv6_find_idev+0x102/0x170 [ 4272.694312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.694312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.694312][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.694312][ T73] netlink_unicast+0x449/0x710 [ 4272.694312][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.694312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.694312][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.694312][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.694312][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.694312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.694312][ T73] [ 4272.696255][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4272.696530][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4272.696530][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.696530][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.696530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.696530][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4272.696530][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4272.696530][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4272.696530][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4272.696530][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4272.696530][ T73] addrconf_dad_begin+0x310/0x670 [ 4272.696530][ T73] addrconf_dad_work+0x10b/0xab0 [ 4272.696530][ T73] process_one_work+0x84d/0x18a0 [ 4272.696530][ T73] worker_thread+0x587/0xd30 [ 4272.696530][ T73] kthread+0x28a/0x350 [ 4272.696530][ T73] ret_from_fork+0x31/0x70 [ 4272.696530][ T73] ret_from_fork_asm+0x1a/0x30 [ 4272.696530][ T73] [ 4272.698687][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4272.698687][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.698687][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.698687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.698687][ T73] ip6_route_add+0x1c/0x140 [ 4272.698687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4272.698687][ T73] inet6_addr_add+0x4f8/0xa40 [ 4272.698687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.698687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.698687][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.698687][ T73] netlink_unicast+0x449/0x710 [ 4272.698687][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.698687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.698687][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.698687][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.698687][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.698687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.698687][ T73] [ 4272.700956][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4272.700956][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.700956][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.700956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.700956][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4272.700956][ T73] ipv6_add_addr+0x411/0x2000 [ 4272.700956][ T73] inet6_addr_add+0x30e/0xa40 [ 4272.700956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.700956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.700956][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.700956][ T73] netlink_unicast+0x449/0x710 [ 4272.700956][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.700956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.700956][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.700956][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.700956][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.700956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.700956][ T73] [ 4272.703206][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4272.703206][ T73] netdev_get_by_index+0x5e/0x80 [ 4272.703206][ T73] fib6_nh_init+0x3d8/0x1580 [ 4272.703206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4272.703206][ T73] ip6_route_add+0x1c/0x140 [ 4272.703206][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4272.703206][ T73] addrconf_add_dev+0xe2/0x170 [ 4272.703206][ T73] inet6_addr_add+0x12f/0xa40 [ 4272.703206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4272.703206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.703206][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.703206][ T73] netlink_unicast+0x449/0x710 [ 4272.703206][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.703206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.703206][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.703206][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.703206][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.703206][ T73] [ 4272.705432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4272.705432][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4272.705432][ T73] ipv6_find_idev+0x102/0x170 [ 4272.705432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.705432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.705432][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.705432][ T73] netlink_unicast+0x449/0x710 [ 4272.705432][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.705432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.705432][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.705432][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.705432][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.705432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.705432][ T73] [ 4272.707160][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4272.707160][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4272.707160][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4272.707160][ T73] ipv6_find_idev+0x102/0x170 [ 4272.707160][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4272.707160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4272.707160][ T73] netlink_rcv_skb+0x130/0x360 [ 4272.707160][ T73] netlink_unicast+0x449/0x710 [ 4272.707160][ T73] netlink_sendmsg+0x723/0xbe0 [ 4272.707160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4272.707160][ T73] ___sys_sendmsg+0xee/0x170 [ 4272.707160][ T73] __sys_sendmsg+0xcd/0x170 [ 4272.707160][ T73] do_syscall_64+0xc6/0x1e0 [ 4272.707160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4272.707160][ T73] [ 4282.950830][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4282.951299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.951299][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4282.951299][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4282.951299][ T73] fib6_nh_init+0xa22/0x1580 [ 4282.951299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.951299][ T73] ip6_route_add+0x1c/0x140 [ 4282.951299][ T73] inet6_rtm_newroute+0x104/0x110 [ 4282.951299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.951299][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.951299][ T73] netlink_unicast+0x449/0x710 [ 4282.951299][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.951299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.951299][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.951299][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.951299][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.951299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.951299][ T73] [ 4282.953204][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.953204][ T73] dst_init+0x84/0x4a0 [ 4282.953204][ T73] dst_alloc+0x97/0x150 [ 4282.953204][ T73] ip6_dst_alloc+0x23/0x90 [ 4282.953204][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4282.953204][ T73] ip6_pol_route+0x56f/0x840 [ 4282.953204][ T73] fib6_rule_lookup+0x456/0x630 [ 4282.953204][ T73] ip6_route_input+0x59c/0xa50 [ 4282.953204][ T73] ipv6_rcv+0x397/0x810 [ 4282.953204][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4282.953204][ T73] process_backlog+0x101/0x620 [ 4282.953204][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4282.953204][ T73] net_rx_action+0x495/0xbe0 [ 4282.953204][ T73] __do_softirq+0x1b5/0x7f6 [ 4282.953204][ T73] [ 4282.954850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.954850][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.954850][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.954850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.954850][ T73] ip6_route_add+0x1c/0x140 [ 4282.954850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4282.954850][ T73] inet6_addr_add+0x4f8/0xa40 [ 4282.954850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.954850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.954850][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.954850][ T73] netlink_unicast+0x449/0x710 [ 4282.954850][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.954850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.954850][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.954850][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.954850][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.954850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.954850][ T73] [ 4282.956858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.956858][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.956858][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.956858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.956858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4282.956858][ T73] ipv6_add_addr+0x411/0x2000 [ 4282.956858][ T73] inet6_addr_add+0x30e/0xa40 [ 4282.956858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.956858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.956858][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.956858][ T73] netlink_unicast+0x449/0x710 [ 4282.956858][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.956858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.956858][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.956858][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.956858][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.956858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.956858][ T73] [ 4282.958868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.958868][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.958868][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.958868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.958868][ T73] ip6_route_add+0x1c/0x140 [ 4282.958868][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4282.958868][ T73] addrconf_add_dev+0xe2/0x170 [ 4282.958868][ T73] inet6_addr_add+0x12f/0xa40 [ 4282.958868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.958868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.958868][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.958868][ T73] netlink_unicast+0x449/0x710 [ 4282.958868][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.958868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.958868][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.958868][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.958868][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.958868][ T73] [ 4282.960848][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.960848][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4282.960848][ T73] ipv6_find_idev+0x102/0x170 [ 4282.960848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4282.960848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.960848][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.960848][ T73] netlink_unicast+0x449/0x710 [ 4282.960848][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.960848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.960848][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.960848][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.960848][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.960848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.960848][ T73] [ 4282.962391][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4282.962391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4282.962391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4282.962391][ T73] ipv6_find_idev+0x102/0x170 [ 4282.962391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4282.962391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.962391][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.962391][ T73] netlink_unicast+0x449/0x710 [ 4282.962391][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.962391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.962391][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.962391][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.962391][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.962391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.962391][ T73] [ 4282.964092][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4282.964371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.964371][ T73] dst_init+0x84/0x4a0 [ 4282.964371][ T73] dst_alloc+0x97/0x150 [ 4282.964371][ T73] ip6_dst_alloc+0x23/0x90 [ 4282.964371][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4282.964371][ T73] ip6_pol_route+0x56f/0x840 [ 4282.964371][ T73] fib6_rule_lookup+0x456/0x630 [ 4282.964371][ T73] ip6_route_input+0x59c/0xa50 [ 4282.964371][ T73] ipv6_rcv+0x397/0x810 [ 4282.964371][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4282.964371][ T73] process_backlog+0x101/0x620 [ 4282.964371][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4282.964371][ T73] net_rx_action+0x495/0xbe0 [ 4282.964371][ T73] __do_softirq+0x1b5/0x7f6 [ 4282.964371][ T73] [ 4282.966021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.966021][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.966021][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.966021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.966021][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4282.966021][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4282.966021][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4282.966021][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4282.966021][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4282.966021][ T73] addrconf_dad_begin+0x310/0x670 [ 4282.966021][ T73] addrconf_dad_work+0x10b/0xab0 [ 4282.966021][ T73] process_one_work+0x84d/0x18a0 [ 4282.966021][ T73] worker_thread+0x587/0xd30 [ 4282.966021][ T73] kthread+0x28a/0x350 [ 4282.966021][ T73] ret_from_fork+0x31/0x70 [ 4282.966021][ T73] ret_from_fork_asm+0x1a/0x30 [ 4282.966021][ T73] [ 4282.967930][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.967930][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.967930][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.967930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.967930][ T73] ip6_route_add+0x1c/0x140 [ 4282.967930][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4282.967930][ T73] inet6_addr_add+0x4f8/0xa40 [ 4282.967930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.967930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.967930][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.967930][ T73] netlink_unicast+0x449/0x710 [ 4282.967930][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.967930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.967930][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.967930][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.967930][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.967930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.967930][ T73] [ 4282.969933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.969933][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.969933][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.969933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.969933][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4282.969933][ T73] ipv6_add_addr+0x411/0x2000 [ 4282.969933][ T73] inet6_addr_add+0x30e/0xa40 [ 4282.969933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.969933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.969933][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.969933][ T73] netlink_unicast+0x449/0x710 [ 4282.969933][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.969933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.969933][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.969933][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.969933][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.969933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.969933][ T73] [ 4282.971949][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.971949][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.971949][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.971949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.971949][ T73] ip6_route_add+0x1c/0x140 [ 4282.971949][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4282.971949][ T73] addrconf_add_dev+0xe2/0x170 [ 4282.971949][ T73] inet6_addr_add+0x12f/0xa40 [ 4282.971949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.971949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.971949][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.971949][ T73] netlink_unicast+0x449/0x710 [ 4282.971949][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.971949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.971949][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.971949][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.971949][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.971949][ T73] [ 4282.973915][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.973915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4282.973915][ T73] ipv6_find_idev+0x102/0x170 [ 4282.973915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4282.973915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.973915][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.973915][ T73] netlink_unicast+0x449/0x710 [ 4282.973915][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.973915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.973915][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.973915][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.973915][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.973915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.973915][ T73] [ 4282.975455][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4282.975455][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4282.975455][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4282.975455][ T73] ipv6_find_idev+0x102/0x170 [ 4282.975455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4282.975455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.975455][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.975455][ T73] netlink_unicast+0x449/0x710 [ 4282.975455][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.975455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.975455][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.975455][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.975455][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.975455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.975455][ T73] [ 4282.977271][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4282.977544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.977544][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4282.977544][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4282.977544][ T73] fib6_nh_init+0xa22/0x1580 [ 4282.977544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.977544][ T73] ip6_route_add+0x1c/0x140 [ 4282.977544][ T73] inet6_rtm_newroute+0x104/0x110 [ 4282.977544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.977544][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.977544][ T73] netlink_unicast+0x449/0x710 [ 4282.977544][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.977544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.977544][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.977544][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.977544][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.977544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.977544][ T73] [ 4282.979735][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.979735][ T73] dst_init+0x84/0x4a0 [ 4282.979735][ T73] dst_alloc+0x97/0x150 [ 4282.979735][ T73] ip6_dst_alloc+0x23/0x90 [ 4282.979735][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4282.979735][ T73] ip6_pol_route+0x56f/0x840 [ 4282.979735][ T73] fib6_rule_lookup+0x456/0x630 [ 4282.979735][ T73] ip6_route_input+0x59c/0xa50 [ 4282.979735][ T73] ipv6_rcv+0x397/0x810 [ 4282.979735][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4282.979735][ T73] process_backlog+0x101/0x620 [ 4282.979735][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4282.979735][ T73] net_rx_action+0x495/0xbe0 [ 4282.979735][ T73] __do_softirq+0x1b5/0x7f6 [ 4282.979735][ T73] [ 4282.981557][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.981557][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.981557][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.981557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.981557][ T73] ip6_route_add+0x1c/0x140 [ 4282.981557][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4282.981557][ T73] inet6_addr_add+0x4f8/0xa40 [ 4282.981557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.981557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.981557][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.981557][ T73] netlink_unicast+0x449/0x710 [ 4282.981557][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.981557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.981557][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.981557][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.981557][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.981557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.981557][ T73] [ 4282.983806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.983806][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.983806][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.983806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.983806][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4282.983806][ T73] ipv6_add_addr+0x411/0x2000 [ 4282.983806][ T73] inet6_addr_add+0x30e/0xa40 [ 4282.983806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.983806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.983806][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.983806][ T73] netlink_unicast+0x449/0x710 [ 4282.983806][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.983806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.983806][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.983806][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.983806][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.983806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.983806][ T73] [ 4282.986049][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.986049][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.986049][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.986049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.986049][ T73] ip6_route_add+0x1c/0x140 [ 4282.986049][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4282.986049][ T73] addrconf_add_dev+0xe2/0x170 [ 4282.986049][ T73] inet6_addr_add+0x12f/0xa40 [ 4282.986049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.986049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.986049][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.986049][ T73] netlink_unicast+0x449/0x710 [ 4282.986049][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.986049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.986049][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.986049][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.986049][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.986049][ T73] [ 4282.988257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.988257][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4282.988257][ T73] ipv6_find_idev+0x102/0x170 [ 4282.988257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4282.988257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.988257][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.988257][ T73] netlink_unicast+0x449/0x710 [ 4282.988257][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.988257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.988257][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.988257][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.988257][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.988257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.988257][ T73] [ 4282.989978][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4282.989978][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4282.989978][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4282.989978][ T73] ipv6_find_idev+0x102/0x170 [ 4282.989978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4282.989978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.989978][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.989978][ T73] netlink_unicast+0x449/0x710 [ 4282.989978][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.989978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.989978][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.989978][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.989978][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.989978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.989978][ T73] [ 4282.991913][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4282.992184][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4282.992184][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.992184][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.992184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.992184][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4282.992184][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4282.992184][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4282.992184][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4282.992184][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4282.992184][ T73] addrconf_dad_begin+0x310/0x670 [ 4282.992184][ T73] addrconf_dad_work+0x10b/0xab0 [ 4282.992184][ T73] process_one_work+0x84d/0x18a0 [ 4282.992184][ T73] worker_thread+0x587/0xd30 [ 4282.992184][ T73] kthread+0x28a/0x350 [ 4282.992184][ T73] ret_from_fork+0x31/0x70 [ 4282.992184][ T73] ret_from_fork_asm+0x1a/0x30 [ 4282.992184][ T73] [ 4282.994347][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4282.994347][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.994347][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.994347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.994347][ T73] ip6_route_add+0x1c/0x140 [ 4282.994347][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4282.994347][ T73] inet6_addr_add+0x4f8/0xa40 [ 4282.994347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.994347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.994347][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.994347][ T73] netlink_unicast+0x449/0x710 [ 4282.994347][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.994347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.994347][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.994347][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.994347][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.994347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.994347][ T73] [ 4282.996593][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4282.996593][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.996593][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.996593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.996593][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4282.996593][ T73] ipv6_add_addr+0x411/0x2000 [ 4282.996593][ T73] inet6_addr_add+0x30e/0xa40 [ 4282.996593][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.996593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.996593][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.996593][ T73] netlink_unicast+0x449/0x710 [ 4282.996593][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.996593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.996593][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.996593][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.996593][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.996593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4282.996593][ T73] [ 4282.998855][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4282.998855][ T73] netdev_get_by_index+0x5e/0x80 [ 4282.998855][ T73] fib6_nh_init+0x3d8/0x1580 [ 4282.998855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4282.998855][ T73] ip6_route_add+0x1c/0x140 [ 4282.998855][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4282.998855][ T73] addrconf_add_dev+0xe2/0x170 [ 4282.998855][ T73] inet6_addr_add+0x12f/0xa40 [ 4282.998855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4282.998855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4282.998855][ T73] netlink_rcv_skb+0x130/0x360 [ 4282.998855][ T73] netlink_unicast+0x449/0x710 [ 4282.998855][ T73] netlink_sendmsg+0x723/0xbe0 [ 4282.998855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4282.998855][ T73] ___sys_sendmsg+0xee/0x170 [ 4282.998855][ T73] __sys_sendmsg+0xcd/0x170 [ 4282.998855][ T73] do_syscall_64+0xc6/0x1e0 [ 4282.998855][ T73] [ 4283.001066][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4283.001066][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4283.001066][ T73] ipv6_find_idev+0x102/0x170 [ 4283.001066][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.001066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.001066][ T73] netlink_rcv_skb+0x130/0x360 [ 4283.001066][ T73] netlink_unicast+0x449/0x710 [ 4283.001066][ T73] netlink_sendmsg+0x723/0xbe0 [ 4283.001066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4283.001066][ T73] ___sys_sendmsg+0xee/0x170 [ 4283.001066][ T73] __sys_sendmsg+0xcd/0x170 [ 4283.001066][ T73] do_syscall_64+0xc6/0x1e0 [ 4283.001066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.001066][ T73] [ 4283.002787][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4283.002787][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4283.002787][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4283.002787][ T73] ipv6_find_idev+0x102/0x170 [ 4283.002787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.002787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.002787][ T73] netlink_rcv_skb+0x130/0x360 [ 4283.002787][ T73] netlink_unicast+0x449/0x710 [ 4283.002787][ T73] netlink_sendmsg+0x723/0xbe0 [ 4283.002787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4283.002787][ T73] ___sys_sendmsg+0xee/0x170 [ 4283.002787][ T73] __sys_sendmsg+0xcd/0x170 [ 4283.002787][ T73] do_syscall_64+0xc6/0x1e0 [ 4283.002787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.002787][ T73] [ 4293.246893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4293.247365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.247365][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4293.247365][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4293.247365][ T73] fib6_nh_init+0xa22/0x1580 [ 4293.247365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.247365][ T73] ip6_route_add+0x1c/0x140 [ 4293.247365][ T73] inet6_rtm_newroute+0x104/0x110 [ 4293.247365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.247365][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.247365][ T73] netlink_unicast+0x449/0x710 [ 4293.247365][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.247365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.247365][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.247365][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.247365][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.247365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.247365][ T73] [ 4293.249269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.249269][ T73] dst_init+0x84/0x4a0 [ 4293.249269][ T73] dst_alloc+0x97/0x150 [ 4293.249269][ T73] ip6_dst_alloc+0x23/0x90 [ 4293.249269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4293.249269][ T73] ip6_pol_route+0x56f/0x840 [ 4293.249269][ T73] fib6_rule_lookup+0x456/0x630 [ 4293.249269][ T73] ip6_route_input+0x59c/0xa50 [ 4293.249269][ T73] ipv6_rcv+0x397/0x810 [ 4293.249269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4293.249269][ T73] process_backlog+0x101/0x620 [ 4293.249269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4293.249269][ T73] net_rx_action+0x495/0xbe0 [ 4293.249269][ T73] __do_softirq+0x1b5/0x7f6 [ 4293.249269][ T73] [ 4293.250934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.250934][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.250934][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.250934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.250934][ T73] ip6_route_add+0x1c/0x140 [ 4293.250934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4293.250934][ T73] inet6_addr_add+0x4f8/0xa40 [ 4293.250934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.250934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.250934][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.250934][ T73] netlink_unicast+0x449/0x710 [ 4293.250934][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.250934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.250934][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.250934][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.250934][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.250934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.250934][ T73] [ 4293.252936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.252936][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.252936][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.252936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.252936][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4293.252936][ T73] ipv6_add_addr+0x411/0x2000 [ 4293.252936][ T73] inet6_addr_add+0x30e/0xa40 [ 4293.252936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.252936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.252936][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.252936][ T73] netlink_unicast+0x449/0x710 [ 4293.252936][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.252936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.252936][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.252936][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.252936][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.252936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.252936][ T73] [ 4293.254944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.254944][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.254944][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.254944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.254944][ T73] ip6_route_add+0x1c/0x140 [ 4293.254944][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4293.254944][ T73] addrconf_add_dev+0xe2/0x170 [ 4293.254944][ T73] inet6_addr_add+0x12f/0xa40 [ 4293.254944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.254944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.254944][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.254944][ T73] netlink_unicast+0x449/0x710 [ 4293.254944][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.254944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.254944][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.254944][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.254944][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.254944][ T73] [ 4293.256912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.256912][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4293.256912][ T73] ipv6_find_idev+0x102/0x170 [ 4293.256912][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.256912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.256912][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.256912][ T73] netlink_unicast+0x449/0x710 [ 4293.256912][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.256912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.256912][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.256912][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.256912][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.256912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.256912][ T73] [ 4293.258453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4293.258453][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4293.258453][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4293.258453][ T73] ipv6_find_idev+0x102/0x170 [ 4293.258453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.258453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.258453][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.258453][ T73] netlink_unicast+0x449/0x710 [ 4293.258453][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.258453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.258453][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.258453][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.258453][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.258453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.258453][ T73] [ 4293.260175][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4293.261000][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.261000][ T73] dst_init+0x84/0x4a0 [ 4293.261000][ T73] dst_alloc+0x97/0x150 [ 4293.261000][ T73] ip6_dst_alloc+0x23/0x90 [ 4293.261000][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4293.261000][ T73] ip6_pol_route+0x56f/0x840 [ 4293.261000][ T73] fib6_rule_lookup+0x456/0x630 [ 4293.261000][ T73] ip6_route_input+0x59c/0xa50 [ 4293.261000][ T73] ipv6_rcv+0x397/0x810 [ 4293.261000][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4293.261000][ T73] process_backlog+0x101/0x620 [ 4293.261000][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4293.261000][ T73] net_rx_action+0x495/0xbe0 [ 4293.261000][ T73] __do_softirq+0x1b5/0x7f6 [ 4293.261000][ T73] [ 4293.262648][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.262648][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.262648][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.262648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.262648][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4293.262648][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4293.262648][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4293.262648][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4293.262648][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4293.262648][ T73] addrconf_dad_begin+0x310/0x670 [ 4293.262648][ T73] addrconf_dad_work+0x10b/0xab0 [ 4293.262648][ T73] process_one_work+0x84d/0x18a0 [ 4293.262648][ T73] worker_thread+0x587/0xd30 [ 4293.262648][ T73] kthread+0x28a/0x350 [ 4293.262648][ T73] ret_from_fork+0x31/0x70 [ 4293.262648][ T73] ret_from_fork_asm+0x1a/0x30 [ 4293.262648][ T73] [ 4293.264580][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.264580][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.264580][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.264580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.264580][ T73] ip6_route_add+0x1c/0x140 [ 4293.264580][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4293.264580][ T73] inet6_addr_add+0x4f8/0xa40 [ 4293.264580][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.264580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.264580][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.264580][ T73] netlink_unicast+0x449/0x710 [ 4293.264580][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.264580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.264580][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.264580][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.264580][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.264580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.264580][ T73] [ 4293.266992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.266992][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.266992][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.266992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.266992][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4293.266992][ T73] ipv6_add_addr+0x411/0x2000 [ 4293.266992][ T73] inet6_addr_add+0x30e/0xa40 [ 4293.266992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.266992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.266992][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.266992][ T73] netlink_unicast+0x449/0x710 [ 4293.266992][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.266992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.266992][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.266992][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.266992][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.266992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.266992][ T73] [ 4293.269008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.269008][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.269008][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.269008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.269008][ T73] ip6_route_add+0x1c/0x140 [ 4293.269008][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4293.269008][ T73] addrconf_add_dev+0xe2/0x170 [ 4293.269008][ T73] inet6_addr_add+0x12f/0xa40 [ 4293.269008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.269008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.269008][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.269008][ T73] netlink_unicast+0x449/0x710 [ 4293.269008][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.269008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.269008][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.269008][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.269008][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.269008][ T73] [ 4293.270988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.270988][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4293.270988][ T73] ipv6_find_idev+0x102/0x170 [ 4293.270988][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.270988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.270988][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.270988][ T73] netlink_unicast+0x449/0x710 [ 4293.270988][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.270988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.270988][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.270988][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.270988][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.270988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.270988][ T73] [ 4293.272531][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4293.272531][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4293.272531][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4293.272531][ T73] ipv6_find_idev+0x102/0x170 [ 4293.272531][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.272531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.272531][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.272531][ T73] netlink_unicast+0x449/0x710 [ 4293.272531][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.272531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.272531][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.272531][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.272531][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.272531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.272531][ T73] [ 4293.274354][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4293.274632][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.274632][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4293.274632][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4293.274632][ T73] fib6_nh_init+0xa22/0x1580 [ 4293.274632][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.274632][ T73] ip6_route_add+0x1c/0x140 [ 4293.274632][ T73] inet6_rtm_newroute+0x104/0x110 [ 4293.274632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.274632][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.274632][ T73] netlink_unicast+0x449/0x710 [ 4293.274632][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.274632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.274632][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.274632][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.274632][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.274632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.274632][ T73] [ 4293.276820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.276820][ T73] dst_init+0x84/0x4a0 [ 4293.276820][ T73] dst_alloc+0x97/0x150 [ 4293.276820][ T73] ip6_dst_alloc+0x23/0x90 [ 4293.276820][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4293.276820][ T73] ip6_pol_route+0x56f/0x840 [ 4293.276820][ T73] fib6_rule_lookup+0x456/0x630 [ 4293.276820][ T73] ip6_route_input+0x59c/0xa50 [ 4293.276820][ T73] ipv6_rcv+0x397/0x810 [ 4293.276820][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4293.276820][ T73] process_backlog+0x101/0x620 [ 4293.276820][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4293.276820][ T73] net_rx_action+0x495/0xbe0 [ 4293.276820][ T73] __do_softirq+0x1b5/0x7f6 [ 4293.276820][ T73] [ 4293.278636][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.278636][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.278636][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.278636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.278636][ T73] ip6_route_add+0x1c/0x140 [ 4293.278636][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4293.278636][ T73] inet6_addr_add+0x4f8/0xa40 [ 4293.278636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.278636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.278636][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.278636][ T73] netlink_unicast+0x449/0x710 [ 4293.278636][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.278636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.278636][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.278636][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.278636][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.278636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.278636][ T73] [ 4293.280898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.280898][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.280898][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.280898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.280898][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4293.280898][ T73] ipv6_add_addr+0x411/0x2000 [ 4293.280898][ T73] inet6_addr_add+0x30e/0xa40 [ 4293.280898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.280898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.280898][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.280898][ T73] netlink_unicast+0x449/0x710 [ 4293.280898][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.280898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.280898][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.280898][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.280898][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.280898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.280898][ T73] [ 4293.283149][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.283149][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.283149][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.283149][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.283149][ T73] ip6_route_add+0x1c/0x140 [ 4293.283149][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4293.283149][ T73] addrconf_add_dev+0xe2/0x170 [ 4293.283149][ T73] inet6_addr_add+0x12f/0xa40 [ 4293.283149][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.283149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.283149][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.283149][ T73] netlink_unicast+0x449/0x710 [ 4293.283149][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.283149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.283149][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.283149][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.283149][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.283149][ T73] [ 4293.285364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.285364][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4293.285364][ T73] ipv6_find_idev+0x102/0x170 [ 4293.285364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.285364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.285364][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.285364][ T73] netlink_unicast+0x449/0x710 [ 4293.285364][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.285364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.285364][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.285364][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.285364][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.285364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.285364][ T73] [ 4293.287094][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4293.287094][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4293.287094][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4293.287094][ T73] ipv6_find_idev+0x102/0x170 [ 4293.287094][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.287094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.287094][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.287094][ T73] netlink_unicast+0x449/0x710 [ 4293.287094][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.287094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.287094][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.287094][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.287094][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.287094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.287094][ T73] [ 4293.289029][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4293.289300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4293.289300][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.289300][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.289300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.289300][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4293.289300][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4293.289300][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4293.289300][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4293.289300][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4293.289300][ T73] addrconf_dad_begin+0x310/0x670 [ 4293.289300][ T73] addrconf_dad_work+0x10b/0xab0 [ 4293.289300][ T73] process_one_work+0x84d/0x18a0 [ 4293.289300][ T73] worker_thread+0x587/0xd30 [ 4293.289300][ T73] kthread+0x28a/0x350 [ 4293.289300][ T73] ret_from_fork+0x31/0x70 [ 4293.289300][ T73] ret_from_fork_asm+0x1a/0x30 [ 4293.289300][ T73] [ 4293.291486][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4293.291486][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.291486][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.291486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.291486][ T73] ip6_route_add+0x1c/0x140 [ 4293.291486][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4293.291486][ T73] inet6_addr_add+0x4f8/0xa40 [ 4293.291486][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.291486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.291486][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.291486][ T73] netlink_unicast+0x449/0x710 [ 4293.291486][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.291486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.291486][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.291486][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.291486][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.291486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.291486][ T73] [ 4293.293741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4293.293741][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.293741][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.293741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.293741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4293.293741][ T73] ipv6_add_addr+0x411/0x2000 [ 4293.293741][ T73] inet6_addr_add+0x30e/0xa40 [ 4293.293741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.293741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.293741][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.293741][ T73] netlink_unicast+0x449/0x710 [ 4293.293741][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.293741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.293741][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.293741][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.293741][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.293741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.293741][ T73] [ 4293.295986][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4293.295986][ T73] netdev_get_by_index+0x5e/0x80 [ 4293.295986][ T73] fib6_nh_init+0x3d8/0x1580 [ 4293.295986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4293.295986][ T73] ip6_route_add+0x1c/0x140 [ 4293.295986][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4293.295986][ T73] addrconf_add_dev+0xe2/0x170 [ 4293.295986][ T73] inet6_addr_add+0x12f/0xa40 [ 4293.295986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4293.295986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.295986][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.295986][ T73] netlink_unicast+0x449/0x710 [ 4293.295986][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.295986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.295986][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.295986][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.295986][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.295986][ T73] [ 4293.298203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4293.298203][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4293.298203][ T73] ipv6_find_idev+0x102/0x170 [ 4293.298203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.298203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.298203][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.298203][ T73] netlink_unicast+0x449/0x710 [ 4293.298203][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.298203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.298203][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.298203][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.298203][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.298203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.298203][ T73] [ 4293.299935][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4293.299935][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4293.299935][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4293.299935][ T73] ipv6_find_idev+0x102/0x170 [ 4293.299935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4293.299935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4293.299935][ T73] netlink_rcv_skb+0x130/0x360 [ 4293.299935][ T73] netlink_unicast+0x449/0x710 [ 4293.299935][ T73] netlink_sendmsg+0x723/0xbe0 [ 4293.299935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4293.299935][ T73] ___sys_sendmsg+0xee/0x170 [ 4293.299935][ T73] __sys_sendmsg+0xcd/0x170 [ 4293.299935][ T73] do_syscall_64+0xc6/0x1e0 [ 4293.299935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4293.299935][ T73] [ 4303.350841][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4303.351307][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.351307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4303.351307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4303.351307][ T73] fib6_nh_init+0xa22/0x1580 [ 4303.351307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.351307][ T73] ip6_route_add+0x1c/0x140 [ 4303.351307][ T73] inet6_rtm_newroute+0x104/0x110 [ 4303.351307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.351307][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.351307][ T73] netlink_unicast+0x449/0x710 [ 4303.351307][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.351307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.351307][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.351307][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.351307][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.351307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.351307][ T73] [ 4303.353222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.353222][ T73] dst_init+0x84/0x4a0 [ 4303.353222][ T73] dst_alloc+0x97/0x150 [ 4303.353222][ T73] ip6_dst_alloc+0x23/0x90 [ 4303.353222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4303.353222][ T73] ip6_pol_route+0x56f/0x840 [ 4303.353222][ T73] fib6_rule_lookup+0x456/0x630 [ 4303.353222][ T73] ip6_route_input+0x59c/0xa50 [ 4303.353222][ T73] ipv6_rcv+0x397/0x810 [ 4303.353222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4303.353222][ T73] process_backlog+0x101/0x620 [ 4303.353222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4303.353222][ T73] net_rx_action+0x495/0xbe0 [ 4303.353222][ T73] __do_softirq+0x1b5/0x7f6 [ 4303.353222][ T73] [ 4303.354874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.354874][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.354874][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.354874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.354874][ T73] ip6_route_add+0x1c/0x140 [ 4303.354874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4303.354874][ T73] inet6_addr_add+0x4f8/0xa40 [ 4303.354874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.354874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.354874][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.354874][ T73] netlink_unicast+0x449/0x710 [ 4303.354874][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.354874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.354874][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.354874][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.354874][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.354874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.354874][ T73] [ 4303.356891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.356891][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.356891][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.356891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.356891][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4303.356891][ T73] ipv6_add_addr+0x411/0x2000 [ 4303.356891][ T73] inet6_addr_add+0x30e/0xa40 [ 4303.356891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.356891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.356891][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.356891][ T73] netlink_unicast+0x449/0x710 [ 4303.356891][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.356891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.356891][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.356891][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.356891][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.356891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.356891][ T73] [ 4303.358902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.358902][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.358902][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.358902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.358902][ T73] ip6_route_add+0x1c/0x140 [ 4303.358902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4303.358902][ T73] addrconf_add_dev+0xe2/0x170 [ 4303.358902][ T73] inet6_addr_add+0x12f/0xa40 [ 4303.358902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.358902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.358902][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.358902][ T73] netlink_unicast+0x449/0x710 [ 4303.358902][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.358902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.358902][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.358902][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.358902][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.358902][ T73] [ 4303.360895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.360895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4303.360895][ T73] ipv6_find_idev+0x102/0x170 [ 4303.360895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.360895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.360895][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.360895][ T73] netlink_unicast+0x449/0x710 [ 4303.360895][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.360895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.360895][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.360895][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.360895][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.360895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.360895][ T73] [ 4303.362442][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4303.362442][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4303.362442][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4303.362442][ T73] ipv6_find_idev+0x102/0x170 [ 4303.362442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.362442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.362442][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.362442][ T73] netlink_unicast+0x449/0x710 [ 4303.362442][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.362442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.362442][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.362442][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.362442][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.362442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.362442][ T73] [ 4303.364147][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4303.364421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.364421][ T73] dst_init+0x84/0x4a0 [ 4303.364421][ T73] dst_alloc+0x97/0x150 [ 4303.364421][ T73] ip6_dst_alloc+0x23/0x90 [ 4303.364421][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4303.364421][ T73] ip6_pol_route+0x56f/0x840 [ 4303.364421][ T73] fib6_rule_lookup+0x456/0x630 [ 4303.364421][ T73] ip6_route_input+0x59c/0xa50 [ 4303.364421][ T73] ipv6_rcv+0x397/0x810 [ 4303.364421][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4303.364421][ T73] process_backlog+0x101/0x620 [ 4303.364421][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4303.364421][ T73] net_rx_action+0x495/0xbe0 [ 4303.364421][ T73] __do_softirq+0x1b5/0x7f6 [ 4303.364421][ T73] [ 4303.366484][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.366484][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.366484][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.366484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.366484][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4303.366484][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4303.366484][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4303.366484][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4303.366484][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4303.366484][ T73] addrconf_dad_begin+0x310/0x670 [ 4303.366484][ T73] addrconf_dad_work+0x10b/0xab0 [ 4303.366484][ T73] process_one_work+0x84d/0x18a0 [ 4303.366484][ T73] worker_thread+0x587/0xd30 [ 4303.366484][ T73] kthread+0x28a/0x350 [ 4303.366484][ T73] ret_from_fork+0x31/0x70 [ 4303.366484][ T73] ret_from_fork_asm+0x1a/0x30 [ 4303.366484][ T73] [ 4303.368395][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.368395][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.368395][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.368395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.368395][ T73] ip6_route_add+0x1c/0x140 [ 4303.368395][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4303.368395][ T73] inet6_addr_add+0x4f8/0xa40 [ 4303.368395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.368395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.368395][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.368395][ T73] netlink_unicast+0x449/0x710 [ 4303.368395][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.368395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.368395][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.368395][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.368395][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.368395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.368395][ T73] [ 4303.370395][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.370395][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.370395][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.370395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.370395][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4303.370395][ T73] ipv6_add_addr+0x411/0x2000 [ 4303.370395][ T73] inet6_addr_add+0x30e/0xa40 [ 4303.370395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.370395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.370395][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.370395][ T73] netlink_unicast+0x449/0x710 [ 4303.370395][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.370395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.370395][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.370395][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.370395][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.370395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.370395][ T73] [ 4303.372407][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.372407][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.372407][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.372407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.372407][ T73] ip6_route_add+0x1c/0x140 [ 4303.372407][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4303.372407][ T73] addrconf_add_dev+0xe2/0x170 [ 4303.372407][ T73] inet6_addr_add+0x12f/0xa40 [ 4303.372407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.372407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.372407][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.372407][ T73] netlink_unicast+0x449/0x710 [ 4303.372407][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.372407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.372407][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.372407][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.372407][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.372407][ T73] [ 4303.374376][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.374376][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4303.374376][ T73] ipv6_find_idev+0x102/0x170 [ 4303.374376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.374376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.374376][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.374376][ T73] netlink_unicast+0x449/0x710 [ 4303.374376][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.374376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.374376][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.374376][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.374376][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.374376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.374376][ T73] [ 4303.375923][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4303.375923][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4303.375923][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4303.375923][ T73] ipv6_find_idev+0x102/0x170 [ 4303.375923][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.375923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.375923][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.375923][ T73] netlink_unicast+0x449/0x710 [ 4303.375923][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.375923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.375923][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.375923][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.375923][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.375923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.375923][ T73] [ 4303.377747][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4303.378028][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.378028][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4303.378028][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4303.378028][ T73] fib6_nh_init+0xa22/0x1580 [ 4303.378028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.378028][ T73] ip6_route_add+0x1c/0x140 [ 4303.378028][ T73] inet6_rtm_newroute+0x104/0x110 [ 4303.378028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.378028][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.378028][ T73] netlink_unicast+0x449/0x710 [ 4303.378028][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.378028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.378028][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.378028][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.378028][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.378028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.378028][ T73] [ 4303.380214][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.380214][ T73] dst_init+0x84/0x4a0 [ 4303.380214][ T73] dst_alloc+0x97/0x150 [ 4303.380214][ T73] ip6_dst_alloc+0x23/0x90 [ 4303.380214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4303.380214][ T73] ip6_pol_route+0x56f/0x840 [ 4303.380214][ T73] fib6_rule_lookup+0x456/0x630 [ 4303.380214][ T73] ip6_route_input+0x59c/0xa50 [ 4303.380214][ T73] ipv6_rcv+0x397/0x810 [ 4303.380214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4303.380214][ T73] process_backlog+0x101/0x620 [ 4303.380214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4303.380214][ T73] net_rx_action+0x495/0xbe0 [ 4303.380214][ T73] __do_softirq+0x1b5/0x7f6 [ 4303.380214][ T73] [ 4303.382044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.382044][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.382044][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.382044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.382044][ T73] ip6_route_add+0x1c/0x140 [ 4303.382044][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4303.382044][ T73] inet6_addr_add+0x4f8/0xa40 [ 4303.382044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.382044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.382044][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.382044][ T73] netlink_unicast+0x449/0x710 [ 4303.382044][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.382044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.382044][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.382044][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.382044][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.382044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.382044][ T73] [ 4303.384292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.384292][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.384292][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.384292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.384292][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4303.384292][ T73] ipv6_add_addr+0x411/0x2000 [ 4303.384292][ T73] inet6_addr_add+0x30e/0xa40 [ 4303.384292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.384292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.384292][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.384292][ T73] netlink_unicast+0x449/0x710 [ 4303.384292][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.384292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.384292][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.384292][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.384292][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.384292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.384292][ T73] [ 4303.386541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.386541][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.386541][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.386541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.386541][ T73] ip6_route_add+0x1c/0x140 [ 4303.386541][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4303.386541][ T73] addrconf_add_dev+0xe2/0x170 [ 4303.386541][ T73] inet6_addr_add+0x12f/0xa40 [ 4303.386541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.386541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.386541][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.386541][ T73] netlink_unicast+0x449/0x710 [ 4303.386541][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.386541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.386541][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.386541][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.386541][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.386541][ T73] [ 4303.388753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.388753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4303.388753][ T73] ipv6_find_idev+0x102/0x170 [ 4303.388753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.388753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.388753][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.388753][ T73] netlink_unicast+0x449/0x710 [ 4303.388753][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.388753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.388753][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.388753][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.388753][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.388753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.388753][ T73] [ 4303.390480][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4303.390480][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4303.390480][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4303.390480][ T73] ipv6_find_idev+0x102/0x170 [ 4303.390480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.390480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.390480][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.390480][ T73] netlink_unicast+0x449/0x710 [ 4303.390480][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.390480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.390480][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.390480][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.390480][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.390480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.390480][ T73] [ 4303.392429][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4303.392703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4303.392703][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.392703][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.392703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.392703][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4303.392703][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4303.392703][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4303.392703][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4303.392703][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4303.392703][ T73] addrconf_dad_begin+0x310/0x670 [ 4303.392703][ T73] addrconf_dad_work+0x10b/0xab0 [ 4303.392703][ T73] process_one_work+0x84d/0x18a0 [ 4303.392703][ T73] worker_thread+0x587/0xd30 [ 4303.392703][ T73] kthread+0x28a/0x350 [ 4303.392703][ T73] ret_from_fork+0x31/0x70 [ 4303.392703][ T73] ret_from_fork_asm+0x1a/0x30 [ 4303.392703][ T73] [ 4303.394862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4303.394862][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.394862][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.394862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.394862][ T73] ip6_route_add+0x1c/0x140 [ 4303.394862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4303.394862][ T73] inet6_addr_add+0x4f8/0xa40 [ 4303.394862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.394862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.394862][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.394862][ T73] netlink_unicast+0x449/0x710 [ 4303.394862][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.394862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.394862][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.394862][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.394862][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.394862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.394862][ T73] [ 4303.397109][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4303.397109][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.397109][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.397109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.397109][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4303.397109][ T73] ipv6_add_addr+0x411/0x2000 [ 4303.397109][ T73] inet6_addr_add+0x30e/0xa40 [ 4303.397109][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.397109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.397109][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.397109][ T73] netlink_unicast+0x449/0x710 [ 4303.397109][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.397109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.397109][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.397109][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.397109][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.397109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.397109][ T73] [ 4303.399357][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4303.399357][ T73] netdev_get_by_index+0x5e/0x80 [ 4303.399357][ T73] fib6_nh_init+0x3d8/0x1580 [ 4303.399357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4303.399357][ T73] ip6_route_add+0x1c/0x140 [ 4303.399357][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4303.399357][ T73] addrconf_add_dev+0xe2/0x170 [ 4303.399357][ T73] inet6_addr_add+0x12f/0xa40 [ 4303.399357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4303.399357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.399357][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.399357][ T73] netlink_unicast+0x449/0x710 [ 4303.399357][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.399357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.399357][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.399357][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.399357][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.399357][ T73] [ 4303.401575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4303.401575][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4303.401575][ T73] ipv6_find_idev+0x102/0x170 [ 4303.401575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.401575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.401575][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.401575][ T73] netlink_unicast+0x449/0x710 [ 4303.401575][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.401575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.401575][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.401575][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.401575][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.401575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.401575][ T73] [ 4303.403300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4303.403300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4303.403300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4303.403300][ T73] ipv6_find_idev+0x102/0x170 [ 4303.403300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4303.403300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4303.403300][ T73] netlink_rcv_skb+0x130/0x360 [ 4303.403300][ T73] netlink_unicast+0x449/0x710 [ 4303.403300][ T73] netlink_sendmsg+0x723/0xbe0 [ 4303.403300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4303.403300][ T73] ___sys_sendmsg+0xee/0x170 [ 4303.403300][ T73] __sys_sendmsg+0xcd/0x170 [ 4303.403300][ T73] do_syscall_64+0xc6/0x1e0 [ 4303.403300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4303.403300][ T73] [ 4313.646937][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4313.647415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.647415][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4313.647415][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4313.647415][ T73] fib6_nh_init+0xa22/0x1580 [ 4313.647415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.647415][ T73] ip6_route_add+0x1c/0x140 [ 4313.647415][ T73] inet6_rtm_newroute+0x104/0x110 [ 4313.647415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.647415][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.647415][ T73] netlink_unicast+0x449/0x710 [ 4313.647415][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.647415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.647415][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.647415][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.647415][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.647415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.647415][ T73] [ 4313.649319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.649319][ T73] dst_init+0x84/0x4a0 [ 4313.649319][ T73] dst_alloc+0x97/0x150 [ 4313.649319][ T73] ip6_dst_alloc+0x23/0x90 [ 4313.649319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4313.649319][ T73] ip6_pol_route+0x56f/0x840 [ 4313.649319][ T73] fib6_rule_lookup+0x456/0x630 [ 4313.649319][ T73] ip6_route_input+0x59c/0xa50 [ 4313.649319][ T73] ipv6_rcv+0x397/0x810 [ 4313.649319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4313.649319][ T73] process_backlog+0x101/0x620 [ 4313.649319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4313.649319][ T73] net_rx_action+0x495/0xbe0 [ 4313.649319][ T73] __do_softirq+0x1b5/0x7f6 [ 4313.649319][ T73] [ 4313.650986][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.650986][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.650986][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.650986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.650986][ T73] ip6_route_add+0x1c/0x140 [ 4313.650986][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4313.650986][ T73] inet6_addr_add+0x4f8/0xa40 [ 4313.650986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.650986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.650986][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.650986][ T73] netlink_unicast+0x449/0x710 [ 4313.650986][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.650986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.650986][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.650986][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.650986][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.650986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.650986][ T73] [ 4313.653002][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.653002][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.653002][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.653002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.653002][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4313.653002][ T73] ipv6_add_addr+0x411/0x2000 [ 4313.653002][ T73] inet6_addr_add+0x30e/0xa40 [ 4313.653002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.653002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.653002][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.653002][ T73] netlink_unicast+0x449/0x710 [ 4313.653002][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.653002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.653002][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.653002][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.653002][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.653002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.653002][ T73] [ 4313.655017][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.655017][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.655017][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.655017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.655017][ T73] ip6_route_add+0x1c/0x140 [ 4313.655017][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4313.655017][ T73] addrconf_add_dev+0xe2/0x170 [ 4313.655017][ T73] inet6_addr_add+0x12f/0xa40 [ 4313.655017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.655017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.655017][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.655017][ T73] netlink_unicast+0x449/0x710 [ 4313.655017][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.655017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.655017][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.655017][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.655017][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.655017][ T73] [ 4313.656994][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.656994][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4313.656994][ T73] ipv6_find_idev+0x102/0x170 [ 4313.656994][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.656994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.656994][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.656994][ T73] netlink_unicast+0x449/0x710 [ 4313.656994][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.656994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.656994][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.656994][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.656994][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.656994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.656994][ T73] [ 4313.658543][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4313.658543][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4313.658543][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4313.658543][ T73] ipv6_find_idev+0x102/0x170 [ 4313.658543][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.658543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.658543][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.658543][ T73] netlink_unicast+0x449/0x710 [ 4313.658543][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.658543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.658543][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.658543][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.658543][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.658543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.658543][ T73] [ 4313.660256][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4313.660546][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.660546][ T73] dst_init+0x84/0x4a0 [ 4313.660546][ T73] dst_alloc+0x97/0x150 [ 4313.660546][ T73] ip6_dst_alloc+0x23/0x90 [ 4313.660546][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4313.660546][ T73] ip6_pol_route+0x56f/0x840 [ 4313.660546][ T73] fib6_rule_lookup+0x456/0x630 [ 4313.660546][ T73] ip6_route_input+0x59c/0xa50 [ 4313.660546][ T73] ipv6_rcv+0x397/0x810 [ 4313.660546][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4313.660546][ T73] process_backlog+0x101/0x620 [ 4313.660546][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4313.660546][ T73] net_rx_action+0x495/0xbe0 [ 4313.660546][ T73] __do_softirq+0x1b5/0x7f6 [ 4313.660546][ T73] [ 4313.662211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.662211][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.662211][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.662211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.662211][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4313.662211][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4313.662211][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4313.662211][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4313.662211][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4313.662211][ T73] addrconf_dad_begin+0x310/0x670 [ 4313.662211][ T73] addrconf_dad_work+0x10b/0xab0 [ 4313.662211][ T73] process_one_work+0x84d/0x18a0 [ 4313.662211][ T73] worker_thread+0x587/0xd30 [ 4313.662211][ T73] kthread+0x28a/0x350 [ 4313.662211][ T73] ret_from_fork+0x31/0x70 [ 4313.662211][ T73] ret_from_fork_asm+0x1a/0x30 [ 4313.662211][ T73] [ 4313.664129][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.664129][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.664129][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.664129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.664129][ T73] ip6_route_add+0x1c/0x140 [ 4313.664129][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4313.664129][ T73] inet6_addr_add+0x4f8/0xa40 [ 4313.664129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.664129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.664129][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.664129][ T73] netlink_unicast+0x449/0x710 [ 4313.664129][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.664129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.664129][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.664129][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.664129][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.664129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.664129][ T73] [ 4313.666140][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.666140][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.666140][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.666140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.666140][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4313.666140][ T73] ipv6_add_addr+0x411/0x2000 [ 4313.666140][ T73] inet6_addr_add+0x30e/0xa40 [ 4313.666140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.666140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.666140][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.666140][ T73] netlink_unicast+0x449/0x710 [ 4313.666140][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.666140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.666140][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.666140][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.666140][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.666140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.666140][ T73] [ 4313.668145][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.668145][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.668145][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.668145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.668145][ T73] ip6_route_add+0x1c/0x140 [ 4313.668145][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4313.668145][ T73] addrconf_add_dev+0xe2/0x170 [ 4313.668145][ T73] inet6_addr_add+0x12f/0xa40 [ 4313.668145][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.668145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.668145][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.668145][ T73] netlink_unicast+0x449/0x710 [ 4313.668145][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.668145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.668145][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.668145][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.668145][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.668145][ T73] [ 4313.670120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.670120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4313.670120][ T73] ipv6_find_idev+0x102/0x170 [ 4313.670120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.670120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.670120][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.670120][ T73] netlink_unicast+0x449/0x710 [ 4313.670120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.670120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.670120][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.670120][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.670120][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.670120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.670120][ T73] [ 4313.671667][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4313.671667][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4313.671667][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4313.671667][ T73] ipv6_find_idev+0x102/0x170 [ 4313.671667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.671667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.671667][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.671667][ T73] netlink_unicast+0x449/0x710 [ 4313.671667][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.671667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.671667][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.671667][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.671667][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.671667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.671667][ T73] [ 4313.673486][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4313.673757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.673757][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4313.673757][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4313.673757][ T73] fib6_nh_init+0xa22/0x1580 [ 4313.673757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.673757][ T73] ip6_route_add+0x1c/0x140 [ 4313.673757][ T73] inet6_rtm_newroute+0x104/0x110 [ 4313.673757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.673757][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.673757][ T73] netlink_unicast+0x449/0x710 [ 4313.673757][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.673757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.673757][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.673757][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.673757][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.673757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.673757][ T73] [ 4313.675947][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.675947][ T73] dst_init+0x84/0x4a0 [ 4313.675947][ T73] dst_alloc+0x97/0x150 [ 4313.675947][ T73] ip6_dst_alloc+0x23/0x90 [ 4313.675947][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4313.675947][ T73] ip6_pol_route+0x56f/0x840 [ 4313.675947][ T73] fib6_rule_lookup+0x456/0x630 [ 4313.675947][ T73] ip6_route_input+0x59c/0xa50 [ 4313.675947][ T73] ipv6_rcv+0x397/0x810 [ 4313.675947][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4313.675947][ T73] process_backlog+0x101/0x620 [ 4313.675947][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4313.675947][ T73] net_rx_action+0x495/0xbe0 [ 4313.675947][ T73] __do_softirq+0x1b5/0x7f6 [ 4313.675947][ T73] [ 4313.677768][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.677768][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.677768][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.677768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.677768][ T73] ip6_route_add+0x1c/0x140 [ 4313.677768][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4313.677768][ T73] inet6_addr_add+0x4f8/0xa40 [ 4313.677768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.677768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.677768][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.677768][ T73] netlink_unicast+0x449/0x710 [ 4313.677768][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.677768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.677768][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.677768][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.677768][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.677768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.677768][ T73] [ 4313.680011][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.680011][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.680011][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.680011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.680011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4313.680011][ T73] ipv6_add_addr+0x411/0x2000 [ 4313.680011][ T73] inet6_addr_add+0x30e/0xa40 [ 4313.680011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.680011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.680011][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.680011][ T73] netlink_unicast+0x449/0x710 [ 4313.680011][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.680011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.680011][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.680011][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.680011][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.680011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.680011][ T73] [ 4313.682260][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.682260][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.682260][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.682260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.682260][ T73] ip6_route_add+0x1c/0x140 [ 4313.682260][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4313.682260][ T73] addrconf_add_dev+0xe2/0x170 [ 4313.682260][ T73] inet6_addr_add+0x12f/0xa40 [ 4313.682260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.682260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.682260][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.682260][ T73] netlink_unicast+0x449/0x710 [ 4313.682260][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.682260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.682260][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.682260][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.682260][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.682260][ T73] [ 4313.684483][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.684483][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4313.684483][ T73] ipv6_find_idev+0x102/0x170 [ 4313.684483][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.684483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.684483][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.684483][ T73] netlink_unicast+0x449/0x710 [ 4313.684483][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.684483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.684483][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.684483][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.684483][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.684483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.684483][ T73] [ 4313.686210][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4313.686210][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4313.686210][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4313.686210][ T73] ipv6_find_idev+0x102/0x170 [ 4313.686210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.686210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.686210][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.686210][ T73] netlink_unicast+0x449/0x710 [ 4313.686210][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.686210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.686210][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.686210][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.686210][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.686210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.686210][ T73] [ 4313.688149][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4313.688422][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4313.688422][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.688422][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.688422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.688422][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4313.688422][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4313.688422][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4313.688422][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4313.688422][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4313.688422][ T73] addrconf_dad_begin+0x310/0x670 [ 4313.688422][ T73] addrconf_dad_work+0x10b/0xab0 [ 4313.688422][ T73] process_one_work+0x84d/0x18a0 [ 4313.688422][ T73] worker_thread+0x587/0xd30 [ 4313.688422][ T73] kthread+0x28a/0x350 [ 4313.688422][ T73] ret_from_fork+0x31/0x70 [ 4313.688422][ T73] ret_from_fork_asm+0x1a/0x30 [ 4313.688422][ T73] [ 4313.690601][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4313.690601][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.690601][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.690601][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.690601][ T73] ip6_route_add+0x1c/0x140 [ 4313.690601][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4313.690601][ T73] inet6_addr_add+0x4f8/0xa40 [ 4313.690601][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.690601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.690601][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.690601][ T73] netlink_unicast+0x449/0x710 [ 4313.690601][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.690601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.690601][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.690601][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.690601][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.690601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.690601][ T73] [ 4313.692849][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4313.692849][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.692849][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.692849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.692849][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4313.692849][ T73] ipv6_add_addr+0x411/0x2000 [ 4313.692849][ T73] inet6_addr_add+0x30e/0xa40 [ 4313.692849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.692849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.692849][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.692849][ T73] netlink_unicast+0x449/0x710 [ 4313.692849][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.692849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.692849][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.692849][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.692849][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.692849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.692849][ T73] [ 4313.695092][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4313.695092][ T73] netdev_get_by_index+0x5e/0x80 [ 4313.695092][ T73] fib6_nh_init+0x3d8/0x1580 [ 4313.695092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4313.695092][ T73] ip6_route_add+0x1c/0x140 [ 4313.695092][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4313.695092][ T73] addrconf_add_dev+0xe2/0x170 [ 4313.695092][ T73] inet6_addr_add+0x12f/0xa40 [ 4313.695092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4313.695092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.695092][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.695092][ T73] netlink_unicast+0x449/0x710 [ 4313.695092][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.695092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.695092][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.695092][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.695092][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.695092][ T73] [ 4313.697302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4313.697302][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4313.697302][ T73] ipv6_find_idev+0x102/0x170 [ 4313.697302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.697302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.697302][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.697302][ T73] netlink_unicast+0x449/0x710 [ 4313.697302][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.697302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.697302][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.697302][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.697302][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.697302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.697302][ T73] [ 4313.699026][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4313.699026][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4313.699026][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4313.699026][ T73] ipv6_find_idev+0x102/0x170 [ 4313.699026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4313.699026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4313.699026][ T73] netlink_rcv_skb+0x130/0x360 [ 4313.699026][ T73] netlink_unicast+0x449/0x710 [ 4313.699026][ T73] netlink_sendmsg+0x723/0xbe0 [ 4313.699026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4313.699026][ T73] ___sys_sendmsg+0xee/0x170 [ 4313.699026][ T73] __sys_sendmsg+0xcd/0x170 [ 4313.699026][ T73] do_syscall_64+0xc6/0x1e0 [ 4313.699026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4313.699026][ T73] [ 4323.942895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4323.943360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.943360][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4323.943360][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4323.943360][ T73] fib6_nh_init+0xa22/0x1580 [ 4323.943360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.943360][ T73] ip6_route_add+0x1c/0x140 [ 4323.943360][ T73] inet6_rtm_newroute+0x104/0x110 [ 4323.943360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.943360][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.943360][ T73] netlink_unicast+0x449/0x710 [ 4323.943360][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.943360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.943360][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.943360][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.943360][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.943360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.943360][ T73] [ 4323.945268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.945268][ T73] dst_init+0x84/0x4a0 [ 4323.945268][ T73] dst_alloc+0x97/0x150 [ 4323.945268][ T73] ip6_dst_alloc+0x23/0x90 [ 4323.945268][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4323.945268][ T73] ip6_pol_route+0x56f/0x840 [ 4323.945268][ T73] fib6_rule_lookup+0x456/0x630 [ 4323.945268][ T73] ip6_route_input+0x59c/0xa50 [ 4323.945268][ T73] ipv6_rcv+0x397/0x810 [ 4323.945268][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4323.945268][ T73] process_backlog+0x101/0x620 [ 4323.945268][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4323.945268][ T73] net_rx_action+0x495/0xbe0 [ 4323.945268][ T73] __do_softirq+0x1b5/0x7f6 [ 4323.945268][ T73] [ 4323.946920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.946920][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.946920][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.946920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.946920][ T73] ip6_route_add+0x1c/0x140 [ 4323.946920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4323.946920][ T73] inet6_addr_add+0x4f8/0xa40 [ 4323.946920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.946920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.946920][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.946920][ T73] netlink_unicast+0x449/0x710 [ 4323.946920][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.946920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.946920][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.946920][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.946920][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.946920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.946920][ T73] [ 4323.948939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.948939][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.948939][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.948939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.948939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4323.948939][ T73] ipv6_add_addr+0x411/0x2000 [ 4323.948939][ T73] inet6_addr_add+0x30e/0xa40 [ 4323.948939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.948939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.948939][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.948939][ T73] netlink_unicast+0x449/0x710 [ 4323.948939][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.948939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.948939][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.948939][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.948939][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.948939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.948939][ T73] [ 4323.950959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.950959][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.950959][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.950959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.950959][ T73] ip6_route_add+0x1c/0x140 [ 4323.950959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4323.950959][ T73] addrconf_add_dev+0xe2/0x170 [ 4323.950959][ T73] inet6_addr_add+0x12f/0xa40 [ 4323.950959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.950959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.950959][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.950959][ T73] netlink_unicast+0x449/0x710 [ 4323.950959][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.950959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.950959][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.950959][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.950959][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.950959][ T73] [ 4323.952943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.952943][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4323.952943][ T73] ipv6_find_idev+0x102/0x170 [ 4323.952943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.952943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.952943][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.952943][ T73] netlink_unicast+0x449/0x710 [ 4323.952943][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.952943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.952943][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.952943][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.952943][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.952943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.952943][ T73] [ 4323.954491][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4323.954491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4323.954491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4323.954491][ T73] ipv6_find_idev+0x102/0x170 [ 4323.954491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.954491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.954491][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.954491][ T73] netlink_unicast+0x449/0x710 [ 4323.954491][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.954491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.954491][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.954491][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.954491][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.954491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.954491][ T73] [ 4323.956202][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4323.956493][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.956493][ T73] dst_init+0x84/0x4a0 [ 4323.956493][ T73] dst_alloc+0x97/0x150 [ 4323.956493][ T73] ip6_dst_alloc+0x23/0x90 [ 4323.956493][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4323.956493][ T73] ip6_pol_route+0x56f/0x840 [ 4323.956493][ T73] fib6_rule_lookup+0x456/0x630 [ 4323.956493][ T73] ip6_route_input+0x59c/0xa50 [ 4323.956493][ T73] ipv6_rcv+0x397/0x810 [ 4323.956493][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4323.956493][ T73] process_backlog+0x101/0x620 [ 4323.956493][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4323.956493][ T73] net_rx_action+0x495/0xbe0 [ 4323.956493][ T73] __do_softirq+0x1b5/0x7f6 [ 4323.956493][ T73] [ 4323.958256][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.958256][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.958256][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.958256][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.958256][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4323.958256][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4323.958256][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4323.958256][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4323.958256][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4323.958256][ T73] addrconf_dad_begin+0x310/0x670 [ 4323.958256][ T73] addrconf_dad_work+0x10b/0xab0 [ 4323.958256][ T73] process_one_work+0x84d/0x18a0 [ 4323.958256][ T73] worker_thread+0x587/0xd30 [ 4323.958256][ T73] kthread+0x28a/0x350 [ 4323.958256][ T73] ret_from_fork+0x31/0x70 [ 4323.958256][ T73] ret_from_fork_asm+0x1a/0x30 [ 4323.958256][ T73] [ 4323.960314][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.960314][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.960314][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.960314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.960314][ T73] ip6_route_add+0x1c/0x140 [ 4323.960314][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4323.960314][ T73] inet6_addr_add+0x4f8/0xa40 [ 4323.960314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.960314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.960314][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.960314][ T73] netlink_unicast+0x449/0x710 [ 4323.960314][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.960314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.960314][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.960314][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.960314][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.960314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.960314][ T73] [ 4323.962481][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.962481][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.962481][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.962481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.962481][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4323.962481][ T73] ipv6_add_addr+0x411/0x2000 [ 4323.962481][ T73] inet6_addr_add+0x30e/0xa40 [ 4323.962481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.962481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.962481][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.962481][ T73] netlink_unicast+0x449/0x710 [ 4323.962481][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.962481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.962481][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.962481][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.962481][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.962481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.962481][ T73] [ 4323.964650][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.964650][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.964650][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.964650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.964650][ T73] ip6_route_add+0x1c/0x140 [ 4323.964650][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4323.964650][ T73] addrconf_add_dev+0xe2/0x170 [ 4323.964650][ T73] inet6_addr_add+0x12f/0xa40 [ 4323.964650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.964650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.964650][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.964650][ T73] netlink_unicast+0x449/0x710 [ 4323.964650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.964650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.964650][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.964650][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.964650][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.964650][ T73] [ 4323.966803][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.966803][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4323.966803][ T73] ipv6_find_idev+0x102/0x170 [ 4323.966803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.966803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.966803][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.966803][ T73] netlink_unicast+0x449/0x710 [ 4323.966803][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.966803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.966803][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.966803][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.966803][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.966803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.966803][ T73] [ 4323.968502][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4323.968502][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4323.968502][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4323.968502][ T73] ipv6_find_idev+0x102/0x170 [ 4323.968502][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.968502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.968502][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.968502][ T73] netlink_unicast+0x449/0x710 [ 4323.968502][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.968502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.968502][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.968502][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.968502][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.968502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.968502][ T73] [ 4323.970482][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4323.970776][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.970776][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4323.970776][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4323.970776][ T73] fib6_nh_init+0xa22/0x1580 [ 4323.970776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.970776][ T73] ip6_route_add+0x1c/0x140 [ 4323.970776][ T73] inet6_rtm_newroute+0x104/0x110 [ 4323.970776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.970776][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.970776][ T73] netlink_unicast+0x449/0x710 [ 4323.970776][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.970776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.970776][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.970776][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.970776][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.970776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.970776][ T73] [ 4323.973142][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.973142][ T73] dst_init+0x84/0x4a0 [ 4323.973142][ T73] dst_alloc+0x97/0x150 [ 4323.973142][ T73] ip6_dst_alloc+0x23/0x90 [ 4323.973142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4323.973142][ T73] ip6_pol_route+0x56f/0x840 [ 4323.973142][ T73] fib6_rule_lookup+0x456/0x630 [ 4323.973142][ T73] ip6_route_input+0x59c/0xa50 [ 4323.973142][ T73] ipv6_rcv+0x397/0x810 [ 4323.973142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4323.973142][ T73] process_backlog+0x101/0x620 [ 4323.973142][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4323.973142][ T73] net_rx_action+0x495/0xbe0 [ 4323.973142][ T73] __do_softirq+0x1b5/0x7f6 [ 4323.973142][ T73] [ 4323.974967][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.974967][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.974967][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.974967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.974967][ T73] ip6_route_add+0x1c/0x140 [ 4323.974967][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4323.974967][ T73] inet6_addr_add+0x4f8/0xa40 [ 4323.974967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.974967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.974967][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.974967][ T73] netlink_unicast+0x449/0x710 [ 4323.974967][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.974967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.974967][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.974967][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.974967][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.974967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.974967][ T73] [ 4323.977222][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.977222][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.977222][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.977222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.977222][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4323.977222][ T73] ipv6_add_addr+0x411/0x2000 [ 4323.977222][ T73] inet6_addr_add+0x30e/0xa40 [ 4323.977222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.977222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.977222][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.977222][ T73] netlink_unicast+0x449/0x710 [ 4323.977222][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.977222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.977222][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.977222][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.977222][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.977222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.977222][ T73] [ 4323.979480][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.979480][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.979480][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.979480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.979480][ T73] ip6_route_add+0x1c/0x140 [ 4323.979480][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4323.979480][ T73] addrconf_add_dev+0xe2/0x170 [ 4323.979480][ T73] inet6_addr_add+0x12f/0xa40 [ 4323.979480][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.979480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.979480][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.979480][ T73] netlink_unicast+0x449/0x710 [ 4323.979480][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.979480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.979480][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.979480][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.979480][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.979480][ T73] [ 4323.981711][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.981711][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4323.981711][ T73] ipv6_find_idev+0x102/0x170 [ 4323.981711][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.981711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.981711][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.981711][ T73] netlink_unicast+0x449/0x710 [ 4323.981711][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.981711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.981711][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.981711][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.981711][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.981711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.981711][ T73] [ 4323.983442][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4323.983442][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4323.983442][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4323.983442][ T73] ipv6_find_idev+0x102/0x170 [ 4323.983442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.983442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.983442][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.983442][ T73] netlink_unicast+0x449/0x710 [ 4323.983442][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.983442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.983442][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.983442][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.983442][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.983442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.983442][ T73] [ 4323.985381][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4323.985649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4323.985649][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.985649][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.985649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.985649][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4323.985649][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4323.985649][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4323.985649][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4323.985649][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4323.985649][ T73] addrconf_dad_begin+0x310/0x670 [ 4323.985649][ T73] addrconf_dad_work+0x10b/0xab0 [ 4323.985649][ T73] process_one_work+0x84d/0x18a0 [ 4323.985649][ T73] worker_thread+0x587/0xd30 [ 4323.985649][ T73] kthread+0x28a/0x350 [ 4323.985649][ T73] ret_from_fork+0x31/0x70 [ 4323.985649][ T73] ret_from_fork_asm+0x1a/0x30 [ 4323.985649][ T73] [ 4323.987815][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4323.987815][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.987815][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.987815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.987815][ T73] ip6_route_add+0x1c/0x140 [ 4323.987815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4323.987815][ T73] inet6_addr_add+0x4f8/0xa40 [ 4323.987815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.987815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.987815][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.987815][ T73] netlink_unicast+0x449/0x710 [ 4323.987815][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.987815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.987815][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.987815][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.987815][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.987815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.987815][ T73] [ 4323.990119][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4323.990119][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.990119][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.990119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.990119][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4323.990119][ T73] ipv6_add_addr+0x411/0x2000 [ 4323.990119][ T73] inet6_addr_add+0x30e/0xa40 [ 4323.990119][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.990119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.990119][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.990119][ T73] netlink_unicast+0x449/0x710 [ 4323.990119][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.990119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.990119][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.990119][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.990119][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.990119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.990119][ T73] [ 4323.992383][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4323.992383][ T73] netdev_get_by_index+0x5e/0x80 [ 4323.992383][ T73] fib6_nh_init+0x3d8/0x1580 [ 4323.992383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4323.992383][ T73] ip6_route_add+0x1c/0x140 [ 4323.992383][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4323.992383][ T73] addrconf_add_dev+0xe2/0x170 [ 4323.992383][ T73] inet6_addr_add+0x12f/0xa40 [ 4323.992383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4323.992383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.992383][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.992383][ T73] netlink_unicast+0x449/0x710 [ 4323.992383][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.992383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.992383][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.992383][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.992383][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.992383][ T73] [ 4323.994602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4323.994602][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4323.994602][ T73] ipv6_find_idev+0x102/0x170 [ 4323.994602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.994602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.994602][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.994602][ T73] netlink_unicast+0x449/0x710 [ 4323.994602][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.994602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.994602][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.994602][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.994602][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.994602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.994602][ T73] [ 4323.996418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4323.996418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4323.996418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4323.996418][ T73] ipv6_find_idev+0x102/0x170 [ 4323.996418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4323.996418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4323.996418][ T73] netlink_rcv_skb+0x130/0x360 [ 4323.996418][ T73] netlink_unicast+0x449/0x710 [ 4323.996418][ T73] netlink_sendmsg+0x723/0xbe0 [ 4323.996418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4323.996418][ T73] ___sys_sendmsg+0xee/0x170 [ 4323.996418][ T73] __sys_sendmsg+0xcd/0x170 [ 4323.996418][ T73] do_syscall_64+0xc6/0x1e0 [ 4323.996418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4323.996418][ T73] [ 4334.238911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4334.239371][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.239371][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4334.239371][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4334.239371][ T73] fib6_nh_init+0xa22/0x1580 [ 4334.239371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.239371][ T73] ip6_route_add+0x1c/0x140 [ 4334.239371][ T73] inet6_rtm_newroute+0x104/0x110 [ 4334.239371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.239371][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.239371][ T73] netlink_unicast+0x449/0x710 [ 4334.239371][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.239371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.239371][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.239371][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.239371][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.239371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.239371][ T73] [ 4334.241295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.241295][ T73] dst_init+0x84/0x4a0 [ 4334.241295][ T73] dst_alloc+0x97/0x150 [ 4334.241295][ T73] ip6_dst_alloc+0x23/0x90 [ 4334.241295][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4334.241295][ T73] ip6_pol_route+0x56f/0x840 [ 4334.241295][ T73] fib6_rule_lookup+0x456/0x630 [ 4334.241295][ T73] ip6_route_input+0x59c/0xa50 [ 4334.241295][ T73] ipv6_rcv+0x397/0x810 [ 4334.241295][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4334.241295][ T73] process_backlog+0x101/0x620 [ 4334.241295][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4334.241295][ T73] net_rx_action+0x495/0xbe0 [ 4334.241295][ T73] __do_softirq+0x1b5/0x7f6 [ 4334.241295][ T73] [ 4334.242943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.242943][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.242943][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.242943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.242943][ T73] ip6_route_add+0x1c/0x140 [ 4334.242943][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4334.242943][ T73] inet6_addr_add+0x4f8/0xa40 [ 4334.242943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.242943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.242943][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.242943][ T73] netlink_unicast+0x449/0x710 [ 4334.242943][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.242943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.242943][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.242943][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.242943][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.242943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.242943][ T73] [ 4334.244950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.244950][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.244950][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.244950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.244950][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4334.244950][ T73] ipv6_add_addr+0x411/0x2000 [ 4334.244950][ T73] inet6_addr_add+0x30e/0xa40 [ 4334.244950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.244950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.244950][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.244950][ T73] netlink_unicast+0x449/0x710 [ 4334.244950][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.244950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.244950][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.244950][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.244950][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.244950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.244950][ T73] [ 4334.246968][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.246968][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.246968][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.246968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.246968][ T73] ip6_route_add+0x1c/0x140 [ 4334.246968][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4334.246968][ T73] addrconf_add_dev+0xe2/0x170 [ 4334.246968][ T73] inet6_addr_add+0x12f/0xa40 [ 4334.246968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.246968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.246968][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.246968][ T73] netlink_unicast+0x449/0x710 [ 4334.246968][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.246968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.246968][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.246968][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.246968][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.246968][ T73] [ 4334.248946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.248946][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4334.248946][ T73] ipv6_find_idev+0x102/0x170 [ 4334.248946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.248946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.248946][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.248946][ T73] netlink_unicast+0x449/0x710 [ 4334.248946][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.248946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.248946][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.248946][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.248946][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.248946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.248946][ T73] [ 4334.250501][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4334.250501][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4334.250501][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4334.250501][ T73] ipv6_find_idev+0x102/0x170 [ 4334.250501][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.250501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.250501][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.250501][ T73] netlink_unicast+0x449/0x710 [ 4334.250501][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.250501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.250501][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.250501][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.250501][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.250501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.250501][ T73] [ 4334.252215][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4334.252487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.252487][ T73] dst_init+0x84/0x4a0 [ 4334.252487][ T73] dst_alloc+0x97/0x150 [ 4334.252487][ T73] ip6_dst_alloc+0x23/0x90 [ 4334.252487][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4334.252487][ T73] ip6_pol_route+0x56f/0x840 [ 4334.252487][ T73] fib6_rule_lookup+0x456/0x630 [ 4334.252487][ T73] ip6_route_input+0x59c/0xa50 [ 4334.252487][ T73] ipv6_rcv+0x397/0x810 [ 4334.252487][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4334.252487][ T73] process_backlog+0x101/0x620 [ 4334.252487][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4334.252487][ T73] net_rx_action+0x495/0xbe0 [ 4334.252487][ T73] __do_softirq+0x1b5/0x7f6 [ 4334.252487][ T73] [ 4334.254147][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.254147][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.254147][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.254147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.254147][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4334.254147][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4334.254147][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4334.254147][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4334.254147][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4334.254147][ T73] addrconf_dad_begin+0x310/0x670 [ 4334.254147][ T73] addrconf_dad_work+0x10b/0xab0 [ 4334.254147][ T73] process_one_work+0x84d/0x18a0 [ 4334.254147][ T73] worker_thread+0x587/0xd30 [ 4334.254147][ T73] kthread+0x28a/0x350 [ 4334.254147][ T73] ret_from_fork+0x31/0x70 [ 4334.254147][ T73] ret_from_fork_asm+0x1a/0x30 [ 4334.254147][ T73] [ 4334.256069][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.256069][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.256069][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.256069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.256069][ T73] ip6_route_add+0x1c/0x140 [ 4334.256069][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4334.256069][ T73] inet6_addr_add+0x4f8/0xa40 [ 4334.256069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.256069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.256069][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.256069][ T73] netlink_unicast+0x449/0x710 [ 4334.256069][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.256069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.256069][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.256069][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.256069][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.256069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.256069][ T73] [ 4334.258076][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.258076][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.258076][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.258076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.258076][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4334.258076][ T73] ipv6_add_addr+0x411/0x2000 [ 4334.258076][ T73] inet6_addr_add+0x30e/0xa40 [ 4334.258076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.258076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.258076][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.258076][ T73] netlink_unicast+0x449/0x710 [ 4334.258076][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.258076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.258076][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.258076][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.258076][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.258076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.258076][ T73] [ 4334.260087][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.260087][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.260087][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.260087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.260087][ T73] ip6_route_add+0x1c/0x140 [ 4334.260087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4334.260087][ T73] addrconf_add_dev+0xe2/0x170 [ 4334.260087][ T73] inet6_addr_add+0x12f/0xa40 [ 4334.260087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.260087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.260087][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.260087][ T73] netlink_unicast+0x449/0x710 [ 4334.260087][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.260087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.260087][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.260087][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.260087][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.260087][ T73] [ 4334.262063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.262063][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4334.262063][ T73] ipv6_find_idev+0x102/0x170 [ 4334.262063][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.262063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.262063][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.262063][ T73] netlink_unicast+0x449/0x710 [ 4334.262063][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.262063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.262063][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.262063][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.262063][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.262063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.262063][ T73] [ 4334.263609][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4334.263609][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4334.263609][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4334.263609][ T73] ipv6_find_idev+0x102/0x170 [ 4334.263609][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.263609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.263609][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.263609][ T73] netlink_unicast+0x449/0x710 [ 4334.263609][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.263609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.263609][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.263609][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.263609][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.263609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.263609][ T73] [ 4334.265429][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4334.265715][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.265715][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4334.265715][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4334.265715][ T73] fib6_nh_init+0xa22/0x1580 [ 4334.265715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.265715][ T73] ip6_route_add+0x1c/0x140 [ 4334.265715][ T73] inet6_rtm_newroute+0x104/0x110 [ 4334.265715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.265715][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.265715][ T73] netlink_unicast+0x449/0x710 [ 4334.265715][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.265715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.265715][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.265715][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.265715][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.265715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.265715][ T73] [ 4334.267899][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.267899][ T73] dst_init+0x84/0x4a0 [ 4334.267899][ T73] dst_alloc+0x97/0x150 [ 4334.267899][ T73] ip6_dst_alloc+0x23/0x90 [ 4334.267899][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4334.267899][ T73] ip6_pol_route+0x56f/0x840 [ 4334.267899][ T73] fib6_rule_lookup+0x456/0x630 [ 4334.267899][ T73] ip6_route_input+0x59c/0xa50 [ 4334.267899][ T73] ipv6_rcv+0x397/0x810 [ 4334.267899][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4334.267899][ T73] process_backlog+0x101/0x620 [ 4334.267899][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4334.267899][ T73] net_rx_action+0x495/0xbe0 [ 4334.267899][ T73] __do_softirq+0x1b5/0x7f6 [ 4334.267899][ T73] [ 4334.269723][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.269723][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.269723][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.269723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.269723][ T73] ip6_route_add+0x1c/0x140 [ 4334.269723][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4334.269723][ T73] inet6_addr_add+0x4f8/0xa40 [ 4334.269723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.269723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.269723][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.269723][ T73] netlink_unicast+0x449/0x710 [ 4334.269723][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.269723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.269723][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.269723][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.269723][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.269723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.269723][ T73] [ 4334.271994][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.271994][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.271994][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.271994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.271994][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4334.271994][ T73] ipv6_add_addr+0x411/0x2000 [ 4334.271994][ T73] inet6_addr_add+0x30e/0xa40 [ 4334.271994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.271994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.271994][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.271994][ T73] netlink_unicast+0x449/0x710 [ 4334.271994][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.271994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.271994][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.271994][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.271994][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.271994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.271994][ T73] [ 4334.274240][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.274240][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.274240][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.274240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.274240][ T73] ip6_route_add+0x1c/0x140 [ 4334.274240][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4334.274240][ T73] addrconf_add_dev+0xe2/0x170 [ 4334.274240][ T73] inet6_addr_add+0x12f/0xa40 [ 4334.274240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.274240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.274240][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.274240][ T73] netlink_unicast+0x449/0x710 [ 4334.274240][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.274240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.274240][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.274240][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.274240][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.274240][ T73] [ 4334.276453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.276453][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4334.276453][ T73] ipv6_find_idev+0x102/0x170 [ 4334.276453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.276453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.276453][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.276453][ T73] netlink_unicast+0x449/0x710 [ 4334.276453][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.276453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.276453][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.276453][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.276453][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.276453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.276453][ T73] [ 4334.278177][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4334.278177][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4334.278177][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4334.278177][ T73] ipv6_find_idev+0x102/0x170 [ 4334.278177][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.278177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.278177][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.278177][ T73] netlink_unicast+0x449/0x710 [ 4334.278177][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.278177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.278177][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.278177][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.278177][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.278177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.278177][ T73] [ 4334.280110][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4334.280384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4334.280384][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.280384][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.280384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.280384][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4334.280384][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4334.280384][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4334.280384][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4334.280384][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4334.280384][ T73] addrconf_dad_begin+0x310/0x670 [ 4334.280384][ T73] addrconf_dad_work+0x10b/0xab0 [ 4334.280384][ T73] process_one_work+0x84d/0x18a0 [ 4334.280384][ T73] worker_thread+0x587/0xd30 [ 4334.280384][ T73] kthread+0x28a/0x350 [ 4334.280384][ T73] ret_from_fork+0x31/0x70 [ 4334.280384][ T73] ret_from_fork_asm+0x1a/0x30 [ 4334.280384][ T73] [ 4334.282552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4334.282552][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.282552][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.282552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.282552][ T73] ip6_route_add+0x1c/0x140 [ 4334.282552][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4334.282552][ T73] inet6_addr_add+0x4f8/0xa40 [ 4334.282552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.282552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.282552][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.282552][ T73] netlink_unicast+0x449/0x710 [ 4334.282552][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.282552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.282552][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.282552][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.282552][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.282552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.282552][ T73] [ 4334.284798][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4334.284798][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.284798][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.284798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.284798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4334.284798][ T73] ipv6_add_addr+0x411/0x2000 [ 4334.284798][ T73] inet6_addr_add+0x30e/0xa40 [ 4334.284798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.284798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.284798][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.284798][ T73] netlink_unicast+0x449/0x710 [ 4334.284798][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.284798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.284798][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.284798][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.284798][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.284798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.284798][ T73] [ 4334.287042][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4334.287042][ T73] netdev_get_by_index+0x5e/0x80 [ 4334.287042][ T73] fib6_nh_init+0x3d8/0x1580 [ 4334.287042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4334.287042][ T73] ip6_route_add+0x1c/0x140 [ 4334.287042][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4334.287042][ T73] addrconf_add_dev+0xe2/0x170 [ 4334.287042][ T73] inet6_addr_add+0x12f/0xa40 [ 4334.287042][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.287042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.287042][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.287042][ T73] netlink_unicast+0x449/0x710 [ 4334.287042][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.287042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.287042][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.287042][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.287042][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.287042][ T73] [ 4334.289265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4334.289265][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4334.289265][ T73] ipv6_find_idev+0x102/0x170 [ 4334.289265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.289265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.289265][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.289265][ T73] netlink_unicast+0x449/0x710 [ 4334.289265][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.289265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.289265][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.289265][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.289265][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.289265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.289265][ T73] [ 4334.291003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4334.291003][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4334.291003][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4334.291003][ T73] ipv6_find_idev+0x102/0x170 [ 4334.291003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.291003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.291003][ T73] netlink_rcv_skb+0x130/0x360 [ 4334.291003][ T73] netlink_unicast+0x449/0x710 [ 4334.291003][ T73] netlink_sendmsg+0x723/0xbe0 [ 4334.291003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4334.291003][ T73] ___sys_sendmsg+0xee/0x170 [ 4334.291003][ T73] __sys_sendmsg+0xcd/0x170 [ 4334.291003][ T73] do_syscall_64+0xc6/0x1e0 [ 4334.291003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.291003][ T73] [ 4344.294890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4344.295365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.295365][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4344.295365][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4344.295365][ T73] fib6_nh_init+0xa22/0x1580 [ 4344.295365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.295365][ T73] ip6_route_add+0x1c/0x140 [ 4344.295365][ T73] inet6_rtm_newroute+0x104/0x110 [ 4344.295365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.295365][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.295365][ T73] netlink_unicast+0x449/0x710 [ 4344.295365][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.295365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.295365][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.295365][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.295365][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.295365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.295365][ T73] [ 4344.297798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.297798][ T73] dst_init+0x84/0x4a0 [ 4344.297798][ T73] dst_alloc+0x97/0x150 [ 4344.297798][ T73] ip6_dst_alloc+0x23/0x90 [ 4344.297798][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4344.297798][ T73] ip6_pol_route+0x56f/0x840 [ 4344.297798][ T73] fib6_rule_lookup+0x456/0x630 [ 4344.297798][ T73] ip6_route_input+0x59c/0xa50 [ 4344.297798][ T73] ipv6_rcv+0x397/0x810 [ 4344.297798][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4344.297798][ T73] process_backlog+0x101/0x620 [ 4344.297798][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4344.297798][ T73] net_rx_action+0x495/0xbe0 [ 4344.297798][ T73] __do_softirq+0x1b5/0x7f6 [ 4344.297798][ T73] [ 4344.299458][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.299458][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.299458][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.299458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.299458][ T73] ip6_route_add+0x1c/0x140 [ 4344.299458][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4344.299458][ T73] inet6_addr_add+0x4f8/0xa40 [ 4344.299458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.299458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.299458][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.299458][ T73] netlink_unicast+0x449/0x710 [ 4344.299458][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.299458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.299458][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.299458][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.299458][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.299458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.299458][ T73] [ 4344.301885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.301885][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.301885][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.301885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.301885][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4344.301885][ T73] ipv6_add_addr+0x411/0x2000 [ 4344.301885][ T73] inet6_addr_add+0x30e/0xa40 [ 4344.301885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.301885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.301885][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.301885][ T73] netlink_unicast+0x449/0x710 [ 4344.301885][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.301885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.301885][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.301885][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.301885][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.301885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.301885][ T73] [ 4344.303901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.303901][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.303901][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.303901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.303901][ T73] ip6_route_add+0x1c/0x140 [ 4344.303901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4344.303901][ T73] addrconf_add_dev+0xe2/0x170 [ 4344.303901][ T73] inet6_addr_add+0x12f/0xa40 [ 4344.303901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.303901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.303901][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.303901][ T73] netlink_unicast+0x449/0x710 [ 4344.303901][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.303901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.303901][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.303901][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.303901][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.303901][ T73] [ 4344.305892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.305892][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4344.305892][ T73] ipv6_find_idev+0x102/0x170 [ 4344.305892][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.305892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.305892][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.305892][ T73] netlink_unicast+0x449/0x710 [ 4344.305892][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.305892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.305892][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.305892][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.305892][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.305892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.305892][ T73] [ 4344.307442][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4344.307442][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4344.307442][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4344.307442][ T73] ipv6_find_idev+0x102/0x170 [ 4344.307442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.307442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.307442][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.307442][ T73] netlink_unicast+0x449/0x710 [ 4344.307442][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.307442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.307442][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.307442][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.307442][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.307442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.307442][ T73] [ 4344.309149][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4344.309420][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.309420][ T73] dst_init+0x84/0x4a0 [ 4344.309420][ T73] dst_alloc+0x97/0x150 [ 4344.309420][ T73] ip6_dst_alloc+0x23/0x90 [ 4344.309420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4344.309420][ T73] ip6_pol_route+0x56f/0x840 [ 4344.309420][ T73] fib6_rule_lookup+0x456/0x630 [ 4344.309420][ T73] ip6_route_input+0x59c/0xa50 [ 4344.309420][ T73] ipv6_rcv+0x397/0x810 [ 4344.309420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4344.309420][ T73] process_backlog+0x101/0x620 [ 4344.309420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4344.309420][ T73] net_rx_action+0x495/0xbe0 [ 4344.309420][ T73] __do_softirq+0x1b5/0x7f6 [ 4344.309420][ T73] [ 4344.311079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.311079][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.311079][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.311079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.311079][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4344.311079][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4344.311079][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4344.311079][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4344.311079][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4344.311079][ T73] addrconf_dad_begin+0x310/0x670 [ 4344.311079][ T73] addrconf_dad_work+0x10b/0xab0 [ 4344.311079][ T73] process_one_work+0x84d/0x18a0 [ 4344.311079][ T73] worker_thread+0x587/0xd30 [ 4344.311079][ T73] kthread+0x28a/0x350 [ 4344.311079][ T73] ret_from_fork+0x31/0x70 [ 4344.311079][ T73] ret_from_fork_asm+0x1a/0x30 [ 4344.311079][ T73] [ 4344.312989][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.312989][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.312989][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.312989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.312989][ T73] ip6_route_add+0x1c/0x140 [ 4344.312989][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4344.312989][ T73] inet6_addr_add+0x4f8/0xa40 [ 4344.312989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.312989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.312989][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.312989][ T73] netlink_unicast+0x449/0x710 [ 4344.312989][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.312989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.312989][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.312989][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.312989][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.312989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.312989][ T73] [ 4344.314998][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.314998][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.314998][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.314998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.314998][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4344.314998][ T73] ipv6_add_addr+0x411/0x2000 [ 4344.314998][ T73] inet6_addr_add+0x30e/0xa40 [ 4344.314998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.314998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.314998][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.314998][ T73] netlink_unicast+0x449/0x710 [ 4344.314998][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.314998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.314998][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.314998][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.314998][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.314998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.314998][ T73] [ 4344.317001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.317001][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.317001][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.317001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.317001][ T73] ip6_route_add+0x1c/0x140 [ 4344.317001][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4344.317001][ T73] addrconf_add_dev+0xe2/0x170 [ 4344.317001][ T73] inet6_addr_add+0x12f/0xa40 [ 4344.317001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.317001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.317001][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.317001][ T73] netlink_unicast+0x449/0x710 [ 4344.317001][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.317001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.317001][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.317001][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.317001][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.317001][ T73] [ 4344.318970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.318970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4344.318970][ T73] ipv6_find_idev+0x102/0x170 [ 4344.318970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.318970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.318970][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.318970][ T73] netlink_unicast+0x449/0x710 [ 4344.318970][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.318970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.318970][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.318970][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.318970][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.318970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.318970][ T73] [ 4344.320529][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4344.320529][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4344.320529][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4344.320529][ T73] ipv6_find_idev+0x102/0x170 [ 4344.320529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.320529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.320529][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.320529][ T73] netlink_unicast+0x449/0x710 [ 4344.320529][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.320529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.320529][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.320529][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.320529][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.320529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.320529][ T73] [ 4344.322348][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4344.322627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.322627][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4344.322627][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4344.322627][ T73] fib6_nh_init+0xa22/0x1580 [ 4344.322627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.322627][ T73] ip6_route_add+0x1c/0x140 [ 4344.322627][ T73] inet6_rtm_newroute+0x104/0x110 [ 4344.322627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.322627][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.322627][ T73] netlink_unicast+0x449/0x710 [ 4344.322627][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.322627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.322627][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.322627][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.322627][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.322627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.322627][ T73] [ 4344.324830][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.324830][ T73] dst_init+0x84/0x4a0 [ 4344.324830][ T73] dst_alloc+0x97/0x150 [ 4344.324830][ T73] ip6_dst_alloc+0x23/0x90 [ 4344.324830][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4344.324830][ T73] ip6_pol_route+0x56f/0x840 [ 4344.324830][ T73] fib6_rule_lookup+0x456/0x630 [ 4344.324830][ T73] ip6_route_input+0x59c/0xa50 [ 4344.324830][ T73] ipv6_rcv+0x397/0x810 [ 4344.324830][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4344.324830][ T73] process_backlog+0x101/0x620 [ 4344.324830][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4344.324830][ T73] net_rx_action+0x495/0xbe0 [ 4344.324830][ T73] __do_softirq+0x1b5/0x7f6 [ 4344.324830][ T73] [ 4344.326652][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.326652][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.326652][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.326652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.326652][ T73] ip6_route_add+0x1c/0x140 [ 4344.326652][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4344.326652][ T73] inet6_addr_add+0x4f8/0xa40 [ 4344.326652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.326652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.326652][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.326652][ T73] netlink_unicast+0x449/0x710 [ 4344.326652][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.326652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.326652][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.326652][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.326652][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.326652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.326652][ T73] [ 4344.328911][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.328911][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.328911][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.328911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.328911][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4344.328911][ T73] ipv6_add_addr+0x411/0x2000 [ 4344.328911][ T73] inet6_addr_add+0x30e/0xa40 [ 4344.328911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.328911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.328911][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.328911][ T73] netlink_unicast+0x449/0x710 [ 4344.328911][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.328911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.328911][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.328911][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.328911][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.328911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.328911][ T73] [ 4344.331165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.331165][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.331165][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.331165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.331165][ T73] ip6_route_add+0x1c/0x140 [ 4344.331165][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4344.331165][ T73] addrconf_add_dev+0xe2/0x170 [ 4344.331165][ T73] inet6_addr_add+0x12f/0xa40 [ 4344.331165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.331165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.331165][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.331165][ T73] netlink_unicast+0x449/0x710 [ 4344.331165][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.331165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.331165][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.331165][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.331165][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.331165][ T73] [ 4344.333379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.333379][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4344.333379][ T73] ipv6_find_idev+0x102/0x170 [ 4344.333379][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.333379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.333379][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.333379][ T73] netlink_unicast+0x449/0x710 [ 4344.333379][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.333379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.333379][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.333379][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.333379][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.333379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.333379][ T73] [ 4344.335105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4344.335105][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4344.335105][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4344.335105][ T73] ipv6_find_idev+0x102/0x170 [ 4344.335105][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.335105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.335105][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.335105][ T73] netlink_unicast+0x449/0x710 [ 4344.335105][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.335105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.335105][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.335105][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.335105][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.335105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.335105][ T73] [ 4344.337048][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4344.337327][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4344.337327][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.337327][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.337327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.337327][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4344.337327][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4344.337327][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4344.337327][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4344.337327][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4344.337327][ T73] addrconf_dad_begin+0x310/0x670 [ 4344.337327][ T73] addrconf_dad_work+0x10b/0xab0 [ 4344.337327][ T73] process_one_work+0x84d/0x18a0 [ 4344.337327][ T73] worker_thread+0x587/0xd30 [ 4344.337327][ T73] kthread+0x28a/0x350 [ 4344.337327][ T73] ret_from_fork+0x31/0x70 [ 4344.337327][ T73] ret_from_fork_asm+0x1a/0x30 [ 4344.337327][ T73] [ 4344.339489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4344.339489][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.339489][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.339489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.339489][ T73] ip6_route_add+0x1c/0x140 [ 4344.339489][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4344.339489][ T73] inet6_addr_add+0x4f8/0xa40 [ 4344.339489][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.339489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.339489][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.339489][ T73] netlink_unicast+0x449/0x710 [ 4344.339489][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.339489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.339489][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.339489][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.339489][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.339489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.339489][ T73] [ 4344.341741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4344.341741][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.341741][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.341741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.341741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4344.341741][ T73] ipv6_add_addr+0x411/0x2000 [ 4344.341741][ T73] inet6_addr_add+0x30e/0xa40 [ 4344.341741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.341741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.341741][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.341741][ T73] netlink_unicast+0x449/0x710 [ 4344.341741][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.341741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.341741][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.341741][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.341741][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.341741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.341741][ T73] [ 4344.343986][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4344.343986][ T73] netdev_get_by_index+0x5e/0x80 [ 4344.343986][ T73] fib6_nh_init+0x3d8/0x1580 [ 4344.343986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4344.343986][ T73] ip6_route_add+0x1c/0x140 [ 4344.343986][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4344.343986][ T73] addrconf_add_dev+0xe2/0x170 [ 4344.343986][ T73] inet6_addr_add+0x12f/0xa40 [ 4344.343986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.343986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.343986][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.343986][ T73] netlink_unicast+0x449/0x710 [ 4344.343986][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.343986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.343986][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.343986][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.343986][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.343986][ T73] [ 4344.346201][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4344.346201][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4344.346201][ T73] ipv6_find_idev+0x102/0x170 [ 4344.346201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.346201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.346201][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.346201][ T73] netlink_unicast+0x449/0x710 [ 4344.346201][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.346201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.346201][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.346201][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.346201][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.346201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.346201][ T73] [ 4344.347928][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4344.347928][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4344.347928][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4344.347928][ T73] ipv6_find_idev+0x102/0x170 [ 4344.347928][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.347928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.347928][ T73] netlink_rcv_skb+0x130/0x360 [ 4344.347928][ T73] netlink_unicast+0x449/0x710 [ 4344.347928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4344.347928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4344.347928][ T73] ___sys_sendmsg+0xee/0x170 [ 4344.347928][ T73] __sys_sendmsg+0xcd/0x170 [ 4344.347928][ T73] do_syscall_64+0xc6/0x1e0 [ 4344.347928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.347928][ T73] [ 4354.350903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4354.351344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.351344][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4354.351344][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4354.351344][ T73] fib6_nh_init+0xa22/0x1580 [ 4354.351344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.351344][ T73] ip6_route_add+0x1c/0x140 [ 4354.351344][ T73] inet6_rtm_newroute+0x104/0x110 [ 4354.351344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.351344][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.351344][ T73] netlink_unicast+0x449/0x710 [ 4354.351344][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.351344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.351344][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.351344][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.351344][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.351344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.351344][ T73] [ 4354.353432][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.353432][ T73] dst_init+0x84/0x4a0 [ 4354.353432][ T73] dst_alloc+0x97/0x150 [ 4354.353432][ T73] ip6_dst_alloc+0x23/0x90 [ 4354.353432][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4354.353432][ T73] ip6_pol_route+0x56f/0x840 [ 4354.353432][ T73] fib6_rule_lookup+0x456/0x630 [ 4354.353432][ T73] ip6_route_input+0x59c/0xa50 [ 4354.353432][ T73] ipv6_rcv+0x397/0x810 [ 4354.353432][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4354.353432][ T73] process_backlog+0x101/0x620 [ 4354.353432][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4354.353432][ T73] net_rx_action+0x495/0xbe0 [ 4354.353432][ T73] __do_softirq+0x1b5/0x7f6 [ 4354.353432][ T73] [ 4354.355229][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.355229][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.355229][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.355229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.355229][ T73] ip6_route_add+0x1c/0x140 [ 4354.355229][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4354.355229][ T73] inet6_addr_add+0x4f8/0xa40 [ 4354.355229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.355229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.355229][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.355229][ T73] netlink_unicast+0x449/0x710 [ 4354.355229][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.355229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.355229][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.355229][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.355229][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.355229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.355229][ T73] [ 4354.357431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.357431][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.357431][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.357431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.357431][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4354.357431][ T73] ipv6_add_addr+0x411/0x2000 [ 4354.357431][ T73] inet6_addr_add+0x30e/0xa40 [ 4354.357431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.357431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.357431][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.357431][ T73] netlink_unicast+0x449/0x710 [ 4354.357431][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.357431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.357431][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.357431][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.357431][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.357431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.357431][ T73] [ 4354.360059][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.360059][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.360059][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.360059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.360059][ T73] ip6_route_add+0x1c/0x140 [ 4354.360059][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4354.360059][ T73] addrconf_add_dev+0xe2/0x170 [ 4354.360059][ T73] inet6_addr_add+0x12f/0xa40 [ 4354.360059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.360059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.360059][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.360059][ T73] netlink_unicast+0x449/0x710 [ 4354.360059][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.360059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.360059][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.360059][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.360059][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.360059][ T73] [ 4354.362224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.362224][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4354.362224][ T73] ipv6_find_idev+0x102/0x170 [ 4354.362224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.362224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.362224][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.362224][ T73] netlink_unicast+0x449/0x710 [ 4354.362224][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.362224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.362224][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.362224][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.362224][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.362224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.362224][ T73] [ 4354.363910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4354.363910][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4354.363910][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4354.363910][ T73] ipv6_find_idev+0x102/0x170 [ 4354.363910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.363910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.363910][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.363910][ T73] netlink_unicast+0x449/0x710 [ 4354.363910][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.363910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.363910][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.363910][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.363910][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.363910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.363910][ T73] [ 4354.365746][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4354.366047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.366047][ T73] dst_init+0x84/0x4a0 [ 4354.366047][ T73] dst_alloc+0x97/0x150 [ 4354.366047][ T73] ip6_dst_alloc+0x23/0x90 [ 4354.366047][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4354.366047][ T73] ip6_pol_route+0x56f/0x840 [ 4354.366047][ T73] fib6_rule_lookup+0x456/0x630 [ 4354.366047][ T73] ip6_route_input+0x59c/0xa50 [ 4354.366047][ T73] ipv6_rcv+0x397/0x810 [ 4354.366047][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4354.366047][ T73] process_backlog+0x101/0x620 [ 4354.366047][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4354.366047][ T73] net_rx_action+0x495/0xbe0 [ 4354.366047][ T73] __do_softirq+0x1b5/0x7f6 [ 4354.366047][ T73] [ 4354.367845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.367845][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.367845][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.367845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.367845][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4354.367845][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4354.367845][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4354.367845][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4354.367845][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4354.367845][ T73] addrconf_dad_begin+0x310/0x670 [ 4354.367845][ T73] addrconf_dad_work+0x10b/0xab0 [ 4354.367845][ T73] process_one_work+0x84d/0x18a0 [ 4354.367845][ T73] worker_thread+0x587/0xd30 [ 4354.367845][ T73] kthread+0x28a/0x350 [ 4354.367845][ T73] ret_from_fork+0x31/0x70 [ 4354.367845][ T73] ret_from_fork_asm+0x1a/0x30 [ 4354.367845][ T73] [ 4354.369913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.369913][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.369913][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.369913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.369913][ T73] ip6_route_add+0x1c/0x140 [ 4354.369913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4354.369913][ T73] inet6_addr_add+0x4f8/0xa40 [ 4354.369913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.369913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.369913][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.369913][ T73] netlink_unicast+0x449/0x710 [ 4354.369913][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.369913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.369913][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.369913][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.369913][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.369913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.369913][ T73] [ 4354.372121][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.372121][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.372121][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.372121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.372121][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4354.372121][ T73] ipv6_add_addr+0x411/0x2000 [ 4354.372121][ T73] inet6_addr_add+0x30e/0xa40 [ 4354.372121][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.372121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.372121][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.372121][ T73] netlink_unicast+0x449/0x710 [ 4354.372121][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.372121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.372121][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.372121][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.372121][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.372121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.372121][ T73] [ 4354.374308][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.374308][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.374308][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.374308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.374308][ T73] ip6_route_add+0x1c/0x140 [ 4354.374308][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4354.374308][ T73] addrconf_add_dev+0xe2/0x170 [ 4354.374308][ T73] inet6_addr_add+0x12f/0xa40 [ 4354.374308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.374308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.374308][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.374308][ T73] netlink_unicast+0x449/0x710 [ 4354.374308][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.374308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.374308][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.374308][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.374308][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.374308][ T73] [ 4354.376386][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.376386][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4354.376386][ T73] ipv6_find_idev+0x102/0x170 [ 4354.376386][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.376386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.376386][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.376386][ T73] netlink_unicast+0x449/0x710 [ 4354.376386][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.376386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.376386][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.376386][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.376386][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.376386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.376386][ T73] [ 4354.377936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4354.377936][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4354.377936][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4354.377936][ T73] ipv6_find_idev+0x102/0x170 [ 4354.377936][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.377936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.377936][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.377936][ T73] netlink_unicast+0x449/0x710 [ 4354.377936][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.377936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.377936][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.377936][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.377936][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.377936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.377936][ T73] [ 4354.379819][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4354.380093][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.380093][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4354.380093][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4354.380093][ T73] fib6_nh_init+0xa22/0x1580 [ 4354.380093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.380093][ T73] ip6_route_add+0x1c/0x140 [ 4354.380093][ T73] inet6_rtm_newroute+0x104/0x110 [ 4354.380093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.380093][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.380093][ T73] netlink_unicast+0x449/0x710 [ 4354.380093][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.380093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.380093][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.380093][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.380093][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.380093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.380093][ T73] [ 4354.382299][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.382299][ T73] dst_init+0x84/0x4a0 [ 4354.382299][ T73] dst_alloc+0x97/0x150 [ 4354.382299][ T73] ip6_dst_alloc+0x23/0x90 [ 4354.382299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4354.382299][ T73] ip6_pol_route+0x56f/0x840 [ 4354.382299][ T73] fib6_rule_lookup+0x456/0x630 [ 4354.382299][ T73] ip6_route_input+0x59c/0xa50 [ 4354.382299][ T73] ipv6_rcv+0x397/0x810 [ 4354.382299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4354.382299][ T73] process_backlog+0x101/0x620 [ 4354.382299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4354.382299][ T73] net_rx_action+0x495/0xbe0 [ 4354.382299][ T73] __do_softirq+0x1b5/0x7f6 [ 4354.382299][ T73] [ 4354.384166][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.384166][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.384166][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.384166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.384166][ T73] ip6_route_add+0x1c/0x140 [ 4354.384166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4354.384166][ T73] inet6_addr_add+0x4f8/0xa40 [ 4354.384166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.384166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.384166][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.384166][ T73] netlink_unicast+0x449/0x710 [ 4354.384166][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.384166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.384166][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.384166][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.384166][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.384166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.384166][ T73] [ 4354.386420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.386420][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.386420][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.386420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.386420][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4354.386420][ T73] ipv6_add_addr+0x411/0x2000 [ 4354.386420][ T73] inet6_addr_add+0x30e/0xa40 [ 4354.386420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.386420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.386420][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.386420][ T73] netlink_unicast+0x449/0x710 [ 4354.386420][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.386420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.386420][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.386420][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.386420][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.386420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.386420][ T73] [ 4354.388675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.388675][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.388675][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.388675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.388675][ T73] ip6_route_add+0x1c/0x140 [ 4354.388675][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4354.388675][ T73] addrconf_add_dev+0xe2/0x170 [ 4354.388675][ T73] inet6_addr_add+0x12f/0xa40 [ 4354.388675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.388675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.388675][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.388675][ T73] netlink_unicast+0x449/0x710 [ 4354.388675][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.388675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.388675][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.388675][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.388675][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.388675][ T73] [ 4354.390895][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.390895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4354.390895][ T73] ipv6_find_idev+0x102/0x170 [ 4354.390895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.390895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.390895][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.390895][ T73] netlink_unicast+0x449/0x710 [ 4354.390895][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.390895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.390895][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.390895][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.390895][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.390895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.390895][ T73] [ 4354.392632][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4354.392632][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4354.392632][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4354.392632][ T73] ipv6_find_idev+0x102/0x170 [ 4354.392632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.392632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.392632][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.392632][ T73] netlink_unicast+0x449/0x710 [ 4354.392632][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.392632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.392632][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.392632][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.392632][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.392632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.392632][ T73] [ 4354.394573][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4354.395286][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4354.395286][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.395286][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.395286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.395286][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4354.395286][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4354.395286][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4354.395286][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4354.395286][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4354.395286][ T73] addrconf_dad_begin+0x310/0x670 [ 4354.395286][ T73] addrconf_dad_work+0x10b/0xab0 [ 4354.395286][ T73] process_one_work+0x84d/0x18a0 [ 4354.395286][ T73] worker_thread+0x587/0xd30 [ 4354.395286][ T73] kthread+0x28a/0x350 [ 4354.395286][ T73] ret_from_fork+0x31/0x70 [ 4354.395286][ T73] ret_from_fork_asm+0x1a/0x30 [ 4354.395286][ T73] [ 4354.397200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4354.397200][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.397200][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.397200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.397200][ T73] ip6_route_add+0x1c/0x140 [ 4354.397200][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4354.397200][ T73] inet6_addr_add+0x4f8/0xa40 [ 4354.397200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.397200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.397200][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.397200][ T73] netlink_unicast+0x449/0x710 [ 4354.397200][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.397200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.397200][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.397200][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.397200][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.397200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.397200][ T73] [ 4354.399336][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4354.399336][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.399336][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.399336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.399336][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4354.399336][ T73] ipv6_add_addr+0x411/0x2000 [ 4354.399336][ T73] inet6_addr_add+0x30e/0xa40 [ 4354.399336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.399336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.399336][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.399336][ T73] netlink_unicast+0x449/0x710 [ 4354.399336][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.399336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.399336][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.399336][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.399336][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.399336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.399336][ T73] [ 4354.401529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4354.401529][ T73] netdev_get_by_index+0x5e/0x80 [ 4354.401529][ T73] fib6_nh_init+0x3d8/0x1580 [ 4354.401529][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4354.401529][ T73] ip6_route_add+0x1c/0x140 [ 4354.401529][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4354.401529][ T73] addrconf_add_dev+0xe2/0x170 [ 4354.401529][ T73] inet6_addr_add+0x12f/0xa40 [ 4354.401529][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4354.401529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.401529][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.401529][ T73] netlink_unicast+0x449/0x710 [ 4354.401529][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.401529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.401529][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.401529][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.401529][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.401529][ T73] [ 4354.403812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4354.403812][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4354.403812][ T73] ipv6_find_idev+0x102/0x170 [ 4354.403812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.403812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.403812][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.403812][ T73] netlink_unicast+0x449/0x710 [ 4354.403812][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.403812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.403812][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.403812][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.403812][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.403812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.403812][ T73] [ 4354.405548][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4354.405548][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4354.405548][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4354.405548][ T73] ipv6_find_idev+0x102/0x170 [ 4354.405548][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4354.405548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4354.405548][ T73] netlink_rcv_skb+0x130/0x360 [ 4354.405548][ T73] netlink_unicast+0x449/0x710 [ 4354.405548][ T73] netlink_sendmsg+0x723/0xbe0 [ 4354.405548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4354.405548][ T73] ___sys_sendmsg+0xee/0x170 [ 4354.405548][ T73] __sys_sendmsg+0xcd/0x170 [ 4354.405548][ T73] do_syscall_64+0xc6/0x1e0 [ 4354.405548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4354.405548][ T73] [ 4364.446971][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4364.447403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.447403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4364.447403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4364.447403][ T73] fib6_nh_init+0xa22/0x1580 [ 4364.447403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.447403][ T73] ip6_route_add+0x1c/0x140 [ 4364.447403][ T73] inet6_rtm_newroute+0x104/0x110 [ 4364.447403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.447403][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.447403][ T73] netlink_unicast+0x449/0x710 [ 4364.447403][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.447403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.447403][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.447403][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.447403][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.447403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.447403][ T73] [ 4364.449386][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.449386][ T73] dst_init+0x84/0x4a0 [ 4364.449386][ T73] dst_alloc+0x97/0x150 [ 4364.449386][ T73] ip6_dst_alloc+0x23/0x90 [ 4364.449386][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4364.449386][ T73] ip6_pol_route+0x56f/0x840 [ 4364.449386][ T73] fib6_rule_lookup+0x456/0x630 [ 4364.449386][ T73] ip6_route_input+0x59c/0xa50 [ 4364.449386][ T73] ipv6_rcv+0x397/0x810 [ 4364.449386][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4364.449386][ T73] process_backlog+0x101/0x620 [ 4364.449386][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4364.449386][ T73] net_rx_action+0x495/0xbe0 [ 4364.449386][ T73] __do_softirq+0x1b5/0x7f6 [ 4364.449386][ T73] [ 4364.451049][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.451049][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.451049][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.451049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.451049][ T73] ip6_route_add+0x1c/0x140 [ 4364.451049][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4364.451049][ T73] inet6_addr_add+0x4f8/0xa40 [ 4364.451049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.451049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.451049][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.451049][ T73] netlink_unicast+0x449/0x710 [ 4364.451049][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.451049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.451049][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.451049][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.451049][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.451049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.451049][ T73] [ 4364.453067][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.453067][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.453067][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.453067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.453067][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4364.453067][ T73] ipv6_add_addr+0x411/0x2000 [ 4364.453067][ T73] inet6_addr_add+0x30e/0xa40 [ 4364.453067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.453067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.453067][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.453067][ T73] netlink_unicast+0x449/0x710 [ 4364.453067][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.453067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.453067][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.453067][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.453067][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.453067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.453067][ T73] [ 4364.455084][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.455084][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.455084][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.455084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.455084][ T73] ip6_route_add+0x1c/0x140 [ 4364.455084][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4364.455084][ T73] addrconf_add_dev+0xe2/0x170 [ 4364.455084][ T73] inet6_addr_add+0x12f/0xa40 [ 4364.455084][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.455084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.455084][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.455084][ T73] netlink_unicast+0x449/0x710 [ 4364.455084][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.455084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.455084][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.455084][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.455084][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.455084][ T73] [ 4364.457210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.457210][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4364.457210][ T73] ipv6_find_idev+0x102/0x170 [ 4364.457210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.457210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.457210][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.457210][ T73] netlink_unicast+0x449/0x710 [ 4364.457210][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.457210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.457210][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.457210][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.457210][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.457210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.457210][ T73] [ 4364.458767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4364.458767][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4364.458767][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4364.458767][ T73] ipv6_find_idev+0x102/0x170 [ 4364.458767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.458767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.458767][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.458767][ T73] netlink_unicast+0x449/0x710 [ 4364.458767][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.458767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.458767][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.458767][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.458767][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.458767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.458767][ T73] [ 4364.460499][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4364.460781][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.460781][ T73] dst_init+0x84/0x4a0 [ 4364.460781][ T73] dst_alloc+0x97/0x150 [ 4364.460781][ T73] ip6_dst_alloc+0x23/0x90 [ 4364.460781][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4364.460781][ T73] ip6_pol_route+0x56f/0x840 [ 4364.460781][ T73] fib6_rule_lookup+0x456/0x630 [ 4364.460781][ T73] ip6_route_input+0x59c/0xa50 [ 4364.460781][ T73] ipv6_rcv+0x397/0x810 [ 4364.460781][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4364.460781][ T73] process_backlog+0x101/0x620 [ 4364.460781][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4364.460781][ T73] net_rx_action+0x495/0xbe0 [ 4364.460781][ T73] __do_softirq+0x1b5/0x7f6 [ 4364.460781][ T73] [ 4364.462438][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.462438][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.462438][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.462438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.462438][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4364.462438][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4364.462438][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4364.462438][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4364.462438][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4364.462438][ T73] addrconf_dad_begin+0x310/0x670 [ 4364.462438][ T73] addrconf_dad_work+0x10b/0xab0 [ 4364.462438][ T73] process_one_work+0x84d/0x18a0 [ 4364.462438][ T73] worker_thread+0x587/0xd30 [ 4364.462438][ T73] kthread+0x28a/0x350 [ 4364.462438][ T73] ret_from_fork+0x31/0x70 [ 4364.462438][ T73] ret_from_fork_asm+0x1a/0x30 [ 4364.462438][ T73] [ 4364.464393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.464393][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.464393][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.464393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.464393][ T73] ip6_route_add+0x1c/0x140 [ 4364.464393][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4364.464393][ T73] inet6_addr_add+0x4f8/0xa40 [ 4364.464393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.464393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.464393][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.464393][ T73] netlink_unicast+0x449/0x710 [ 4364.464393][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.464393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.464393][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.464393][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.464393][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.464393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.464393][ T73] [ 4364.466417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.466417][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.466417][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.466417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.466417][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4364.466417][ T73] ipv6_add_addr+0x411/0x2000 [ 4364.466417][ T73] inet6_addr_add+0x30e/0xa40 [ 4364.466417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.466417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.466417][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.466417][ T73] netlink_unicast+0x449/0x710 [ 4364.466417][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.466417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.466417][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.466417][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.466417][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.466417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.466417][ T73] [ 4364.468431][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.468431][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.468431][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.468431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.468431][ T73] ip6_route_add+0x1c/0x140 [ 4364.468431][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4364.468431][ T73] addrconf_add_dev+0xe2/0x170 [ 4364.468431][ T73] inet6_addr_add+0x12f/0xa40 [ 4364.468431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.468431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.468431][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.468431][ T73] netlink_unicast+0x449/0x710 [ 4364.468431][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.468431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.468431][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.468431][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.468431][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.468431][ T73] [ 4364.470416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.470416][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4364.470416][ T73] ipv6_find_idev+0x102/0x170 [ 4364.470416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.470416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.470416][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.470416][ T73] netlink_unicast+0x449/0x710 [ 4364.470416][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.470416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.470416][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.470416][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.470416][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.470416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.470416][ T73] [ 4364.471994][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4364.471994][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4364.471994][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4364.471994][ T73] ipv6_find_idev+0x102/0x170 [ 4364.471994][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.471994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.471994][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.471994][ T73] netlink_unicast+0x449/0x710 [ 4364.471994][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.471994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.471994][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.471994][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.471994][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.471994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.471994][ T73] [ 4364.473821][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4364.474094][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.474094][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4364.474094][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4364.474094][ T73] fib6_nh_init+0xa22/0x1580 [ 4364.474094][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.474094][ T73] ip6_route_add+0x1c/0x140 [ 4364.474094][ T73] inet6_rtm_newroute+0x104/0x110 [ 4364.474094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.474094][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.474094][ T73] netlink_unicast+0x449/0x710 [ 4364.474094][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.474094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.474094][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.474094][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.474094][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.474094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.474094][ T73] [ 4364.476234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.476234][ T73] dst_init+0x84/0x4a0 [ 4364.476234][ T73] dst_alloc+0x97/0x150 [ 4364.476234][ T73] ip6_dst_alloc+0x23/0x90 [ 4364.476234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4364.476234][ T73] ip6_pol_route+0x56f/0x840 [ 4364.476234][ T73] fib6_rule_lookup+0x456/0x630 [ 4364.476234][ T73] ip6_route_input+0x59c/0xa50 [ 4364.476234][ T73] ipv6_rcv+0x397/0x810 [ 4364.476234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4364.476234][ T73] process_backlog+0x101/0x620 [ 4364.476234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4364.476234][ T73] net_rx_action+0x495/0xbe0 [ 4364.476234][ T73] __do_softirq+0x1b5/0x7f6 [ 4364.476234][ T73] [ 4364.478053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.478053][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.478053][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.478053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.478053][ T73] ip6_route_add+0x1c/0x140 [ 4364.478053][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4364.478053][ T73] inet6_addr_add+0x4f8/0xa40 [ 4364.478053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.478053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.478053][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.478053][ T73] netlink_unicast+0x449/0x710 [ 4364.478053][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.478053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.478053][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.478053][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.478053][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.478053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.478053][ T73] [ 4364.480342][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.480342][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.480342][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.480342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.480342][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4364.480342][ T73] ipv6_add_addr+0x411/0x2000 [ 4364.480342][ T73] inet6_addr_add+0x30e/0xa40 [ 4364.480342][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.480342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.480342][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.480342][ T73] netlink_unicast+0x449/0x710 [ 4364.480342][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.480342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.480342][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.480342][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.480342][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.480342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.480342][ T73] [ 4364.482656][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.482656][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.482656][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.482656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.482656][ T73] ip6_route_add+0x1c/0x140 [ 4364.482656][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4364.482656][ T73] addrconf_add_dev+0xe2/0x170 [ 4364.482656][ T73] inet6_addr_add+0x12f/0xa40 [ 4364.482656][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.482656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.482656][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.482656][ T73] netlink_unicast+0x449/0x710 [ 4364.482656][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.482656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.482656][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.482656][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.482656][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.482656][ T73] [ 4364.484802][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.484802][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4364.484802][ T73] ipv6_find_idev+0x102/0x170 [ 4364.484802][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.484802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.484802][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.484802][ T73] netlink_unicast+0x449/0x710 [ 4364.484802][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.484802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.484802][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.484802][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.484802][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.484802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.484802][ T73] [ 4364.486536][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4364.486536][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4364.486536][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4364.486536][ T73] ipv6_find_idev+0x102/0x170 [ 4364.486536][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.486536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.486536][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.486536][ T73] netlink_unicast+0x449/0x710 [ 4364.486536][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.486536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.486536][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.486536][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.486536][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.486536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.486536][ T73] [ 4364.488474][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4364.488747][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4364.488747][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.488747][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.488747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.488747][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4364.488747][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4364.488747][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4364.488747][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4364.488747][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4364.488747][ T73] addrconf_dad_begin+0x310/0x670 [ 4364.488747][ T73] addrconf_dad_work+0x10b/0xab0 [ 4364.488747][ T73] process_one_work+0x84d/0x18a0 [ 4364.488747][ T73] worker_thread+0x587/0xd30 [ 4364.488747][ T73] kthread+0x28a/0x350 [ 4364.488747][ T73] ret_from_fork+0x31/0x70 [ 4364.488747][ T73] ret_from_fork_asm+0x1a/0x30 [ 4364.488747][ T73] [ 4364.490983][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4364.490983][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.490983][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.490983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.490983][ T73] ip6_route_add+0x1c/0x140 [ 4364.490983][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4364.490983][ T73] inet6_addr_add+0x4f8/0xa40 [ 4364.490983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.490983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.490983][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.490983][ T73] netlink_unicast+0x449/0x710 [ 4364.490983][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.490983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.490983][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.490983][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.490983][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.490983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.490983][ T73] [ 4364.493233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4364.493233][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.493233][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.493233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.493233][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4364.493233][ T73] ipv6_add_addr+0x411/0x2000 [ 4364.493233][ T73] inet6_addr_add+0x30e/0xa40 [ 4364.493233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.493233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.493233][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.493233][ T73] netlink_unicast+0x449/0x710 [ 4364.493233][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.493233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.493233][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.493233][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.493233][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.493233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.493233][ T73] [ 4364.495418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4364.495418][ T73] netdev_get_by_index+0x5e/0x80 [ 4364.495418][ T73] fib6_nh_init+0x3d8/0x1580 [ 4364.495418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4364.495418][ T73] ip6_route_add+0x1c/0x140 [ 4364.495418][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4364.495418][ T73] addrconf_add_dev+0xe2/0x170 [ 4364.495418][ T73] inet6_addr_add+0x12f/0xa40 [ 4364.495418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4364.495418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.495418][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.495418][ T73] netlink_unicast+0x449/0x710 [ 4364.495418][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.495418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.495418][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.495418][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.495418][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.495418][ T73] [ 4364.497639][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4364.497639][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4364.497639][ T73] ipv6_find_idev+0x102/0x170 [ 4364.497639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.497639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.497639][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.497639][ T73] netlink_unicast+0x449/0x710 [ 4364.497639][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.497639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.497639][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.497639][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.497639][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.497639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.497639][ T73] [ 4364.499364][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4364.499364][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4364.499364][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4364.499364][ T73] ipv6_find_idev+0x102/0x170 [ 4364.499364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4364.499364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4364.499364][ T73] netlink_rcv_skb+0x130/0x360 [ 4364.499364][ T73] netlink_unicast+0x449/0x710 [ 4364.499364][ T73] netlink_sendmsg+0x723/0xbe0 [ 4364.499364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4364.499364][ T73] ___sys_sendmsg+0xee/0x170 [ 4364.499364][ T73] __sys_sendmsg+0xcd/0x170 [ 4364.499364][ T73] do_syscall_64+0xc6/0x1e0 [ 4364.499364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4364.499364][ T73] [ 4374.742894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4374.743305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.743305][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4374.743305][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4374.743305][ T73] fib6_nh_init+0xa22/0x1580 [ 4374.743305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.743305][ T73] ip6_route_add+0x1c/0x140 [ 4374.743305][ T73] inet6_rtm_newroute+0x104/0x110 [ 4374.743305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.743305][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.743305][ T73] netlink_unicast+0x449/0x710 [ 4374.743305][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.743305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.743305][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.743305][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.743305][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.743305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.743305][ T73] [ 4374.745203][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.745203][ T73] dst_init+0x84/0x4a0 [ 4374.745203][ T73] dst_alloc+0x97/0x150 [ 4374.745203][ T73] ip6_dst_alloc+0x23/0x90 [ 4374.745203][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4374.745203][ T73] ip6_pol_route+0x56f/0x840 [ 4374.745203][ T73] fib6_rule_lookup+0x456/0x630 [ 4374.745203][ T73] ip6_route_input+0x59c/0xa50 [ 4374.745203][ T73] ipv6_rcv+0x397/0x810 [ 4374.745203][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4374.745203][ T73] process_backlog+0x101/0x620 [ 4374.745203][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4374.745203][ T73] net_rx_action+0x495/0xbe0 [ 4374.745203][ T73] __do_softirq+0x1b5/0x7f6 [ 4374.745203][ T73] [ 4374.746856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.746856][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.746856][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.746856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.746856][ T73] ip6_route_add+0x1c/0x140 [ 4374.746856][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4374.746856][ T73] inet6_addr_add+0x4f8/0xa40 [ 4374.746856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.746856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.746856][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.746856][ T73] netlink_unicast+0x449/0x710 [ 4374.746856][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.746856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.746856][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.746856][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.746856][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.746856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.746856][ T73] [ 4374.748865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.748865][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.748865][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.748865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.748865][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4374.748865][ T73] ipv6_add_addr+0x411/0x2000 [ 4374.748865][ T73] inet6_addr_add+0x30e/0xa40 [ 4374.748865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.748865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.748865][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.748865][ T73] netlink_unicast+0x449/0x710 [ 4374.748865][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.748865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.748865][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.748865][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.748865][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.748865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.748865][ T73] [ 4374.750880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.750880][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.750880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.750880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.750880][ T73] ip6_route_add+0x1c/0x140 [ 4374.750880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4374.750880][ T73] addrconf_add_dev+0xe2/0x170 [ 4374.750880][ T73] inet6_addr_add+0x12f/0xa40 [ 4374.750880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.750880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.750880][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.750880][ T73] netlink_unicast+0x449/0x710 [ 4374.750880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.750880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.750880][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.750880][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.750880][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.750880][ T73] [ 4374.752856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.752856][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4374.752856][ T73] ipv6_find_idev+0x102/0x170 [ 4374.752856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.752856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.752856][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.752856][ T73] netlink_unicast+0x449/0x710 [ 4374.752856][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.752856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.752856][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.752856][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.752856][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.752856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.752856][ T73] [ 4374.754410][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4374.754410][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4374.754410][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4374.754410][ T73] ipv6_find_idev+0x102/0x170 [ 4374.754410][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.754410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.754410][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.754410][ T73] netlink_unicast+0x449/0x710 [ 4374.754410][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.754410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.754410][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.754410][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.754410][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.754410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.754410][ T73] [ 4374.756123][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4374.756403][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.756403][ T73] dst_init+0x84/0x4a0 [ 4374.756403][ T73] dst_alloc+0x97/0x150 [ 4374.756403][ T73] ip6_dst_alloc+0x23/0x90 [ 4374.756403][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4374.756403][ T73] ip6_pol_route+0x56f/0x840 [ 4374.756403][ T73] fib6_rule_lookup+0x456/0x630 [ 4374.756403][ T73] ip6_route_input+0x59c/0xa50 [ 4374.756403][ T73] ipv6_rcv+0x397/0x810 [ 4374.756403][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4374.756403][ T73] process_backlog+0x101/0x620 [ 4374.756403][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4374.756403][ T73] net_rx_action+0x495/0xbe0 [ 4374.756403][ T73] __do_softirq+0x1b5/0x7f6 [ 4374.756403][ T73] [ 4374.758053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.758053][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.758053][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.758053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.758053][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4374.758053][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4374.758053][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4374.758053][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4374.758053][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4374.758053][ T73] addrconf_dad_begin+0x310/0x670 [ 4374.758053][ T73] addrconf_dad_work+0x10b/0xab0 [ 4374.758053][ T73] process_one_work+0x84d/0x18a0 [ 4374.758053][ T73] worker_thread+0x587/0xd30 [ 4374.758053][ T73] kthread+0x28a/0x350 [ 4374.758053][ T73] ret_from_fork+0x31/0x70 [ 4374.758053][ T73] ret_from_fork_asm+0x1a/0x30 [ 4374.758053][ T73] [ 4374.759971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.759971][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.759971][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.759971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.759971][ T73] ip6_route_add+0x1c/0x140 [ 4374.759971][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4374.759971][ T73] inet6_addr_add+0x4f8/0xa40 [ 4374.759971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.759971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.759971][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.759971][ T73] netlink_unicast+0x449/0x710 [ 4374.759971][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.759971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.759971][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.759971][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.759971][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.759971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.759971][ T73] [ 4374.761988][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.761988][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.761988][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.761988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.761988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4374.761988][ T73] ipv6_add_addr+0x411/0x2000 [ 4374.761988][ T73] inet6_addr_add+0x30e/0xa40 [ 4374.761988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.761988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.761988][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.761988][ T73] netlink_unicast+0x449/0x710 [ 4374.761988][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.761988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.761988][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.761988][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.761988][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.761988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.761988][ T73] [ 4374.764010][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.764010][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.764010][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.764010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.764010][ T73] ip6_route_add+0x1c/0x140 [ 4374.764010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4374.764010][ T73] addrconf_add_dev+0xe2/0x170 [ 4374.764010][ T73] inet6_addr_add+0x12f/0xa40 [ 4374.764010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.764010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.764010][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.764010][ T73] netlink_unicast+0x449/0x710 [ 4374.764010][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.764010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.764010][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.764010][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.764010][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.764010][ T73] [ 4374.765989][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.765989][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4374.765989][ T73] ipv6_find_idev+0x102/0x170 [ 4374.765989][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.765989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.765989][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.765989][ T73] netlink_unicast+0x449/0x710 [ 4374.765989][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.765989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.765989][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.765989][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.765989][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.765989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.765989][ T73] [ 4374.767540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4374.767540][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4374.767540][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4374.767540][ T73] ipv6_find_idev+0x102/0x170 [ 4374.767540][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.767540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.767540][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.767540][ T73] netlink_unicast+0x449/0x710 [ 4374.767540][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.767540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.767540][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.767540][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.767540][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.767540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.767540][ T73] [ 4374.769357][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4374.769623][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.769623][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4374.769623][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4374.769623][ T73] fib6_nh_init+0xa22/0x1580 [ 4374.769623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.769623][ T73] ip6_route_add+0x1c/0x140 [ 4374.769623][ T73] inet6_rtm_newroute+0x104/0x110 [ 4374.769623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.769623][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.769623][ T73] netlink_unicast+0x449/0x710 [ 4374.769623][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.769623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.769623][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.769623][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.769623][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.769623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.769623][ T73] [ 4374.771822][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.771822][ T73] dst_init+0x84/0x4a0 [ 4374.771822][ T73] dst_alloc+0x97/0x150 [ 4374.771822][ T73] ip6_dst_alloc+0x23/0x90 [ 4374.771822][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4374.771822][ T73] ip6_pol_route+0x56f/0x840 [ 4374.771822][ T73] fib6_rule_lookup+0x456/0x630 [ 4374.771822][ T73] ip6_route_input+0x59c/0xa50 [ 4374.771822][ T73] ipv6_rcv+0x397/0x810 [ 4374.771822][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4374.771822][ T73] process_backlog+0x101/0x620 [ 4374.771822][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4374.771822][ T73] net_rx_action+0x495/0xbe0 [ 4374.771822][ T73] __do_softirq+0x1b5/0x7f6 [ 4374.771822][ T73] [ 4374.773649][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.773649][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.773649][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.773649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.773649][ T73] ip6_route_add+0x1c/0x140 [ 4374.773649][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4374.773649][ T73] inet6_addr_add+0x4f8/0xa40 [ 4374.773649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.773649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.773649][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.773649][ T73] netlink_unicast+0x449/0x710 [ 4374.773649][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.773649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.773649][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.773649][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.773649][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.773649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.773649][ T73] [ 4374.775898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.775898][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.775898][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.775898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.775898][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4374.775898][ T73] ipv6_add_addr+0x411/0x2000 [ 4374.775898][ T73] inet6_addr_add+0x30e/0xa40 [ 4374.775898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.775898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.775898][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.775898][ T73] netlink_unicast+0x449/0x710 [ 4374.775898][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.775898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.775898][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.775898][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.775898][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.775898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.775898][ T73] [ 4374.778151][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.778151][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.778151][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.778151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.778151][ T73] ip6_route_add+0x1c/0x140 [ 4374.778151][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4374.778151][ T73] addrconf_add_dev+0xe2/0x170 [ 4374.778151][ T73] inet6_addr_add+0x12f/0xa40 [ 4374.778151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.778151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.778151][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.778151][ T73] netlink_unicast+0x449/0x710 [ 4374.778151][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.778151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.778151][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.778151][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.778151][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.778151][ T73] [ 4374.780333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.780333][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4374.780333][ T73] ipv6_find_idev+0x102/0x170 [ 4374.780333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.780333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.780333][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.780333][ T73] netlink_unicast+0x449/0x710 [ 4374.780333][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.780333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.780333][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.780333][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.780333][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.780333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.780333][ T73] [ 4374.782120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4374.782120][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4374.782120][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4374.782120][ T73] ipv6_find_idev+0x102/0x170 [ 4374.782120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.782120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.782120][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.782120][ T73] netlink_unicast+0x449/0x710 [ 4374.782120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.782120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.782120][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.782120][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.782120][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.782120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.782120][ T73] [ 4374.784062][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4374.784332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4374.784332][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.784332][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.784332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.784332][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4374.784332][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4374.784332][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4374.784332][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4374.784332][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4374.784332][ T73] addrconf_dad_begin+0x310/0x670 [ 4374.784332][ T73] addrconf_dad_work+0x10b/0xab0 [ 4374.784332][ T73] process_one_work+0x84d/0x18a0 [ 4374.784332][ T73] worker_thread+0x587/0xd30 [ 4374.784332][ T73] kthread+0x28a/0x350 [ 4374.784332][ T73] ret_from_fork+0x31/0x70 [ 4374.784332][ T73] ret_from_fork_asm+0x1a/0x30 [ 4374.784332][ T73] [ 4374.786510][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4374.786510][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.786510][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.786510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.786510][ T73] ip6_route_add+0x1c/0x140 [ 4374.786510][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4374.786510][ T73] inet6_addr_add+0x4f8/0xa40 [ 4374.786510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.786510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.786510][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.786510][ T73] netlink_unicast+0x449/0x710 [ 4374.786510][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.786510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.786510][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.786510][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.786510][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.786510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.786510][ T73] [ 4374.788753][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4374.788753][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.788753][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.788753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.788753][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4374.788753][ T73] ipv6_add_addr+0x411/0x2000 [ 4374.788753][ T73] inet6_addr_add+0x30e/0xa40 [ 4374.788753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.788753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.788753][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.788753][ T73] netlink_unicast+0x449/0x710 [ 4374.788753][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.788753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.788753][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.788753][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.788753][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.788753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.788753][ T73] [ 4374.791034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4374.791034][ T73] netdev_get_by_index+0x5e/0x80 [ 4374.791034][ T73] fib6_nh_init+0x3d8/0x1580 [ 4374.791034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4374.791034][ T73] ip6_route_add+0x1c/0x140 [ 4374.791034][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4374.791034][ T73] addrconf_add_dev+0xe2/0x170 [ 4374.791034][ T73] inet6_addr_add+0x12f/0xa40 [ 4374.791034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4374.791034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.791034][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.791034][ T73] netlink_unicast+0x449/0x710 [ 4374.791034][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.791034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.791034][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.791034][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.791034][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.791034][ T73] [ 4374.793250][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4374.793250][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4374.793250][ T73] ipv6_find_idev+0x102/0x170 [ 4374.793250][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.793250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.793250][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.793250][ T73] netlink_unicast+0x449/0x710 [ 4374.793250][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.793250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.793250][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.793250][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.793250][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.793250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.793250][ T73] [ 4374.794987][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4374.794987][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4374.794987][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4374.794987][ T73] ipv6_find_idev+0x102/0x170 [ 4374.794987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4374.794987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4374.794987][ T73] netlink_rcv_skb+0x130/0x360 [ 4374.794987][ T73] netlink_unicast+0x449/0x710 [ 4374.794987][ T73] netlink_sendmsg+0x723/0xbe0 [ 4374.794987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4374.794987][ T73] ___sys_sendmsg+0xee/0x170 [ 4374.794987][ T73] __sys_sendmsg+0xcd/0x170 [ 4374.794987][ T73] do_syscall_64+0xc6/0x1e0 [ 4374.794987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4374.794987][ T73] [ 4384.806932][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4384.807358][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.807358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4384.807358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4384.807358][ T73] fib6_nh_init+0xa22/0x1580 [ 4384.807358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.807358][ T73] ip6_route_add+0x1c/0x140 [ 4384.807358][ T73] inet6_rtm_newroute+0x104/0x110 [ 4384.807358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.807358][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.807358][ T73] netlink_unicast+0x449/0x710 [ 4384.807358][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.807358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.807358][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.807358][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.807358][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.807358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.807358][ T73] [ 4384.809405][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.809405][ T73] dst_init+0x84/0x4a0 [ 4384.809405][ T73] dst_alloc+0x97/0x150 [ 4384.809405][ T73] ip6_dst_alloc+0x23/0x90 [ 4384.809405][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4384.809405][ T73] ip6_pol_route+0x56f/0x840 [ 4384.809405][ T73] fib6_rule_lookup+0x456/0x630 [ 4384.809405][ T73] ip6_route_input+0x59c/0xa50 [ 4384.809405][ T73] ipv6_rcv+0x397/0x810 [ 4384.809405][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4384.809405][ T73] process_backlog+0x101/0x620 [ 4384.809405][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4384.809405][ T73] net_rx_action+0x495/0xbe0 [ 4384.809405][ T73] __do_softirq+0x1b5/0x7f6 [ 4384.809405][ T73] [ 4384.811204][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.811204][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.811204][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.811204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.811204][ T73] ip6_route_add+0x1c/0x140 [ 4384.811204][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4384.811204][ T73] inet6_addr_add+0x4f8/0xa40 [ 4384.811204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.811204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.811204][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.811204][ T73] netlink_unicast+0x449/0x710 [ 4384.811204][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.811204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.811204][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.811204][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.811204][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.811204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.811204][ T73] [ 4384.813367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.813367][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.813367][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.813367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.813367][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4384.813367][ T73] ipv6_add_addr+0x411/0x2000 [ 4384.813367][ T73] inet6_addr_add+0x30e/0xa40 [ 4384.813367][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.813367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.813367][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.813367][ T73] netlink_unicast+0x449/0x710 [ 4384.813367][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.813367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.813367][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.813367][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.813367][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.813367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.813367][ T73] [ 4384.815538][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.815538][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.815538][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.815538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.815538][ T73] ip6_route_add+0x1c/0x140 [ 4384.815538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4384.815538][ T73] addrconf_add_dev+0xe2/0x170 [ 4384.815538][ T73] inet6_addr_add+0x12f/0xa40 [ 4384.815538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.815538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.815538][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.815538][ T73] netlink_unicast+0x449/0x710 [ 4384.815538][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.815538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.815538][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.815538][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.815538][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.815538][ T73] [ 4384.817670][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.817670][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4384.817670][ T73] ipv6_find_idev+0x102/0x170 [ 4384.817670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.817670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.817670][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.817670][ T73] netlink_unicast+0x449/0x710 [ 4384.817670][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.817670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.817670][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.817670][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.817670][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.817670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.817670][ T73] [ 4384.819360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4384.819360][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4384.819360][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4384.819360][ T73] ipv6_find_idev+0x102/0x170 [ 4384.819360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.819360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.819360][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.819360][ T73] netlink_unicast+0x449/0x710 [ 4384.819360][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.819360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.819360][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.819360][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.819360][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.819360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.819360][ T73] [ 4384.821196][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4384.821491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.821491][ T73] dst_init+0x84/0x4a0 [ 4384.821491][ T73] dst_alloc+0x97/0x150 [ 4384.821491][ T73] ip6_dst_alloc+0x23/0x90 [ 4384.821491][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4384.821491][ T73] ip6_pol_route+0x56f/0x840 [ 4384.821491][ T73] fib6_rule_lookup+0x456/0x630 [ 4384.821491][ T73] ip6_route_input+0x59c/0xa50 [ 4384.821491][ T73] ipv6_rcv+0x397/0x810 [ 4384.821491][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4384.821491][ T73] process_backlog+0x101/0x620 [ 4384.821491][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4384.821491][ T73] net_rx_action+0x495/0xbe0 [ 4384.821491][ T73] __do_softirq+0x1b5/0x7f6 [ 4384.821491][ T73] [ 4384.823276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.823276][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.823276][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.823276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.823276][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4384.823276][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4384.823276][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4384.823276][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4384.823276][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4384.823276][ T73] addrconf_dad_begin+0x310/0x670 [ 4384.823276][ T73] addrconf_dad_work+0x10b/0xab0 [ 4384.823276][ T73] process_one_work+0x84d/0x18a0 [ 4384.823276][ T73] worker_thread+0x587/0xd30 [ 4384.823276][ T73] kthread+0x28a/0x350 [ 4384.823276][ T73] ret_from_fork+0x31/0x70 [ 4384.823276][ T73] ret_from_fork_asm+0x1a/0x30 [ 4384.823276][ T73] [ 4384.825313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.825313][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.825313][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.825313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.825313][ T73] ip6_route_add+0x1c/0x140 [ 4384.825313][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4384.825313][ T73] inet6_addr_add+0x4f8/0xa40 [ 4384.825313][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.825313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.825313][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.825313][ T73] netlink_unicast+0x449/0x710 [ 4384.825313][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.825313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.825313][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.825313][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.825313][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.825313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.825313][ T73] [ 4384.827452][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.827452][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.827452][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.827452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.827452][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4384.827452][ T73] ipv6_add_addr+0x411/0x2000 [ 4384.827452][ T73] inet6_addr_add+0x30e/0xa40 [ 4384.827452][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.827452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.827452][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.827452][ T73] netlink_unicast+0x449/0x710 [ 4384.827452][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.827452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.827452][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.827452][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.827452][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.827452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.827452][ T73] [ 4384.829594][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.829594][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.829594][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.829594][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.829594][ T73] ip6_route_add+0x1c/0x140 [ 4384.829594][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4384.829594][ T73] addrconf_add_dev+0xe2/0x170 [ 4384.829594][ T73] inet6_addr_add+0x12f/0xa40 [ 4384.829594][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.829594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.829594][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.829594][ T73] netlink_unicast+0x449/0x710 [ 4384.829594][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.829594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.829594][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.829594][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.829594][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.829594][ T73] [ 4384.831746][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.831746][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4384.831746][ T73] ipv6_find_idev+0x102/0x170 [ 4384.831746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.831746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.831746][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.831746][ T73] netlink_unicast+0x449/0x710 [ 4384.831746][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.831746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.831746][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.831746][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.831746][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.831746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.831746][ T73] [ 4384.833397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4384.833397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4384.833397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4384.833397][ T73] ipv6_find_idev+0x102/0x170 [ 4384.833397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.833397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.833397][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.833397][ T73] netlink_unicast+0x449/0x710 [ 4384.833397][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.833397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.833397][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.833397][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.833397][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.833397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.833397][ T73] [ 4384.835344][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4384.835631][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.835631][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4384.835631][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4384.835631][ T73] fib6_nh_init+0xa22/0x1580 [ 4384.835631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.835631][ T73] ip6_route_add+0x1c/0x140 [ 4384.835631][ T73] inet6_rtm_newroute+0x104/0x110 [ 4384.835631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.835631][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.835631][ T73] netlink_unicast+0x449/0x710 [ 4384.835631][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.835631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.835631][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.835631][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.835631][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.835631][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.835631][ T73] [ 4384.837972][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.837972][ T73] dst_init+0x84/0x4a0 [ 4384.837972][ T73] dst_alloc+0x97/0x150 [ 4384.837972][ T73] ip6_dst_alloc+0x23/0x90 [ 4384.837972][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4384.837972][ T73] ip6_pol_route+0x56f/0x840 [ 4384.837972][ T73] fib6_rule_lookup+0x456/0x630 [ 4384.837972][ T73] ip6_route_input+0x59c/0xa50 [ 4384.837972][ T73] ipv6_rcv+0x397/0x810 [ 4384.837972][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4384.837972][ T73] process_backlog+0x101/0x620 [ 4384.837972][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4384.837972][ T73] net_rx_action+0x495/0xbe0 [ 4384.837972][ T73] __do_softirq+0x1b5/0x7f6 [ 4384.837972][ T73] [ 4384.839929][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.839929][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.839929][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.839929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.839929][ T73] ip6_route_add+0x1c/0x140 [ 4384.839929][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4384.839929][ T73] inet6_addr_add+0x4f8/0xa40 [ 4384.839929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.839929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.839929][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.839929][ T73] netlink_unicast+0x449/0x710 [ 4384.839929][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.839929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.839929][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.839929][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.839929][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.839929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.839929][ T73] [ 4384.842341][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.842341][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.842341][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.842341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.842341][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4384.842341][ T73] ipv6_add_addr+0x411/0x2000 [ 4384.842341][ T73] inet6_addr_add+0x30e/0xa40 [ 4384.842341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.842341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.842341][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.842341][ T73] netlink_unicast+0x449/0x710 [ 4384.842341][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.842341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.842341][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.842341][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.842341][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.842341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.842341][ T73] [ 4384.844743][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.844743][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.844743][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.844743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.844743][ T73] ip6_route_add+0x1c/0x140 [ 4384.844743][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4384.844743][ T73] addrconf_add_dev+0xe2/0x170 [ 4384.844743][ T73] inet6_addr_add+0x12f/0xa40 [ 4384.844743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.844743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.844743][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.844743][ T73] netlink_unicast+0x449/0x710 [ 4384.844743][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.844743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.844743][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.844743][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.844743][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.844743][ T73] [ 4384.847136][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.847136][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4384.847136][ T73] ipv6_find_idev+0x102/0x170 [ 4384.847136][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.847136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.847136][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.847136][ T73] netlink_unicast+0x449/0x710 [ 4384.847136][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.847136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.847136][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.847136][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.847136][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.847136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.847136][ T73] [ 4384.848970][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4384.848970][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4384.848970][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4384.848970][ T73] ipv6_find_idev+0x102/0x170 [ 4384.848970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.848970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.848970][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.848970][ T73] netlink_unicast+0x449/0x710 [ 4384.848970][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.848970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.848970][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.848970][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.848970][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.848970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.848970][ T73] [ 4384.851025][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4384.851314][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4384.851314][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.851314][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.851314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.851314][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4384.851314][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4384.851314][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4384.851314][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4384.851314][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4384.851314][ T73] addrconf_dad_begin+0x310/0x670 [ 4384.851314][ T73] addrconf_dad_work+0x10b/0xab0 [ 4384.851314][ T73] process_one_work+0x84d/0x18a0 [ 4384.851314][ T73] worker_thread+0x587/0xd30 [ 4384.851314][ T73] kthread+0x28a/0x350 [ 4384.851314][ T73] ret_from_fork+0x31/0x70 [ 4384.851314][ T73] ret_from_fork_asm+0x1a/0x30 [ 4384.851314][ T73] [ 4384.853649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4384.853649][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.853649][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.853649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.853649][ T73] ip6_route_add+0x1c/0x140 [ 4384.853649][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4384.853649][ T73] inet6_addr_add+0x4f8/0xa40 [ 4384.853649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.853649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.853649][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.853649][ T73] netlink_unicast+0x449/0x710 [ 4384.853649][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.853649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.853649][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.853649][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.853649][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.853649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.853649][ T73] [ 4384.856055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4384.856055][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.856055][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.856055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.856055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4384.856055][ T73] ipv6_add_addr+0x411/0x2000 [ 4384.856055][ T73] inet6_addr_add+0x30e/0xa40 [ 4384.856055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.856055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.856055][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.856055][ T73] netlink_unicast+0x449/0x710 [ 4384.856055][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.856055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.856055][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.856055][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.856055][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.856055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.856055][ T73] [ 4384.858460][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4384.858460][ T73] netdev_get_by_index+0x5e/0x80 [ 4384.858460][ T73] fib6_nh_init+0x3d8/0x1580 [ 4384.858460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4384.858460][ T73] ip6_route_add+0x1c/0x140 [ 4384.858460][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4384.858460][ T73] addrconf_add_dev+0xe2/0x170 [ 4384.858460][ T73] inet6_addr_add+0x12f/0xa40 [ 4384.858460][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4384.858460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.858460][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.858460][ T73] netlink_unicast+0x449/0x710 [ 4384.858460][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.858460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.858460][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.858460][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.858460][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.858460][ T73] [ 4384.860848][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4384.860848][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4384.860848][ T73] ipv6_find_idev+0x102/0x170 [ 4384.860848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.860848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.860848][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.860848][ T73] netlink_unicast+0x449/0x710 [ 4384.860848][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.860848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.860848][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.860848][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.860848][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.860848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.860848][ T73] [ 4384.862706][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4384.862706][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4384.862706][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4384.862706][ T73] ipv6_find_idev+0x102/0x170 [ 4384.862706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4384.862706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4384.862706][ T73] netlink_rcv_skb+0x130/0x360 [ 4384.862706][ T73] netlink_unicast+0x449/0x710 [ 4384.862706][ T73] netlink_sendmsg+0x723/0xbe0 [ 4384.862706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4384.862706][ T73] ___sys_sendmsg+0xee/0x170 [ 4384.862706][ T73] __sys_sendmsg+0xcd/0x170 [ 4384.862706][ T73] do_syscall_64+0xc6/0x1e0 [ 4384.862706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4384.862706][ T73] [ 4395.102886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4395.103276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.103276][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4395.103276][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4395.103276][ T73] fib6_nh_init+0xa22/0x1580 [ 4395.103276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.103276][ T73] ip6_route_add+0x1c/0x140 [ 4395.103276][ T73] inet6_rtm_newroute+0x104/0x110 [ 4395.103276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.103276][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.103276][ T73] netlink_unicast+0x449/0x710 [ 4395.103276][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.103276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.103276][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.103276][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.103276][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.103276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.103276][ T73] [ 4395.105179][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.105179][ T73] dst_init+0x84/0x4a0 [ 4395.105179][ T73] dst_alloc+0x97/0x150 [ 4395.105179][ T73] ip6_dst_alloc+0x23/0x90 [ 4395.105179][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4395.105179][ T73] ip6_pol_route+0x56f/0x840 [ 4395.105179][ T73] fib6_rule_lookup+0x456/0x630 [ 4395.105179][ T73] ip6_route_input+0x59c/0xa50 [ 4395.105179][ T73] ipv6_rcv+0x397/0x810 [ 4395.105179][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4395.105179][ T73] process_backlog+0x101/0x620 [ 4395.105179][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4395.105179][ T73] net_rx_action+0x495/0xbe0 [ 4395.105179][ T73] __do_softirq+0x1b5/0x7f6 [ 4395.105179][ T73] [ 4395.106811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.106811][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.106811][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.106811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.106811][ T73] ip6_route_add+0x1c/0x140 [ 4395.106811][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4395.106811][ T73] inet6_addr_add+0x4f8/0xa40 [ 4395.106811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.106811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.106811][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.106811][ T73] netlink_unicast+0x449/0x710 [ 4395.106811][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.106811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.106811][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.106811][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.106811][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.106811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.106811][ T73] [ 4395.108794][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.108794][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.108794][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.108794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.108794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4395.108794][ T73] ipv6_add_addr+0x411/0x2000 [ 4395.108794][ T73] inet6_addr_add+0x30e/0xa40 [ 4395.108794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.108794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.108794][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.108794][ T73] netlink_unicast+0x449/0x710 [ 4395.108794][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.108794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.108794][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.108794][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.108794][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.108794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.108794][ T73] [ 4395.110782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.110782][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.110782][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.110782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.110782][ T73] ip6_route_add+0x1c/0x140 [ 4395.110782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4395.110782][ T73] addrconf_add_dev+0xe2/0x170 [ 4395.110782][ T73] inet6_addr_add+0x12f/0xa40 [ 4395.110782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.110782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.110782][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.110782][ T73] netlink_unicast+0x449/0x710 [ 4395.110782][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.110782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.110782][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.110782][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.110782][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.110782][ T73] [ 4395.112732][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.112732][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4395.112732][ T73] ipv6_find_idev+0x102/0x170 [ 4395.112732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.112732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.112732][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.112732][ T73] netlink_unicast+0x449/0x710 [ 4395.112732][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.112732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.112732][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.112732][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.112732][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.112732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.112732][ T73] [ 4395.114261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4395.114261][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4395.114261][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4395.114261][ T73] ipv6_find_idev+0x102/0x170 [ 4395.114261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.114261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.114261][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.114261][ T73] netlink_unicast+0x449/0x710 [ 4395.114261][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.114261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.114261][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.114261][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.114261][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.114261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.114261][ T73] [ 4395.115944][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4395.116211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.116211][ T73] dst_init+0x84/0x4a0 [ 4395.116211][ T73] dst_alloc+0x97/0x150 [ 4395.116211][ T73] ip6_dst_alloc+0x23/0x90 [ 4395.116211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4395.116211][ T73] ip6_pol_route+0x56f/0x840 [ 4395.116211][ T73] fib6_rule_lookup+0x456/0x630 [ 4395.116211][ T73] ip6_route_input+0x59c/0xa50 [ 4395.116211][ T73] ipv6_rcv+0x397/0x810 [ 4395.116211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4395.116211][ T73] process_backlog+0x101/0x620 [ 4395.116211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4395.116211][ T73] net_rx_action+0x495/0xbe0 [ 4395.116211][ T73] __do_softirq+0x1b5/0x7f6 [ 4395.116211][ T73] [ 4395.117884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.117884][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.117884][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.117884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.117884][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4395.117884][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4395.117884][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4395.117884][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4395.117884][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4395.117884][ T73] addrconf_dad_begin+0x310/0x670 [ 4395.117884][ T73] addrconf_dad_work+0x10b/0xab0 [ 4395.117884][ T73] process_one_work+0x84d/0x18a0 [ 4395.117884][ T73] worker_thread+0x587/0xd30 [ 4395.117884][ T73] kthread+0x28a/0x350 [ 4395.117884][ T73] ret_from_fork+0x31/0x70 [ 4395.117884][ T73] ret_from_fork_asm+0x1a/0x30 [ 4395.117884][ T73] [ 4395.119782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.119782][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.119782][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.119782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.119782][ T73] ip6_route_add+0x1c/0x140 [ 4395.119782][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4395.119782][ T73] inet6_addr_add+0x4f8/0xa40 [ 4395.119782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.119782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.119782][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.119782][ T73] netlink_unicast+0x449/0x710 [ 4395.119782][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.119782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.119782][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.119782][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.119782][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.119782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.119782][ T73] [ 4395.121772][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.121772][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.121772][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.121772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.121772][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4395.121772][ T73] ipv6_add_addr+0x411/0x2000 [ 4395.121772][ T73] inet6_addr_add+0x30e/0xa40 [ 4395.121772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.121772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.121772][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.121772][ T73] netlink_unicast+0x449/0x710 [ 4395.121772][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.121772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.121772][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.121772][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.121772][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.121772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.121772][ T73] [ 4395.123756][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.123756][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.123756][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.123756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.123756][ T73] ip6_route_add+0x1c/0x140 [ 4395.123756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4395.123756][ T73] addrconf_add_dev+0xe2/0x170 [ 4395.123756][ T73] inet6_addr_add+0x12f/0xa40 [ 4395.123756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.123756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.123756][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.123756][ T73] netlink_unicast+0x449/0x710 [ 4395.123756][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.123756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.123756][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.123756][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.123756][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.123756][ T73] [ 4395.125713][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.125713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4395.125713][ T73] ipv6_find_idev+0x102/0x170 [ 4395.125713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.125713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.125713][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.125713][ T73] netlink_unicast+0x449/0x710 [ 4395.125713][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.125713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.125713][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.125713][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.125713][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.125713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.125713][ T73] [ 4395.127237][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4395.127237][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4395.127237][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4395.127237][ T73] ipv6_find_idev+0x102/0x170 [ 4395.127237][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.127237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.127237][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.127237][ T73] netlink_unicast+0x449/0x710 [ 4395.127237][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.127237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.127237][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.127237][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.127237][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.127237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.127237][ T73] [ 4395.129040][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4395.129303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.129303][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4395.129303][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4395.129303][ T73] fib6_nh_init+0xa22/0x1580 [ 4395.129303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.129303][ T73] ip6_route_add+0x1c/0x140 [ 4395.129303][ T73] inet6_rtm_newroute+0x104/0x110 [ 4395.129303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.129303][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.129303][ T73] netlink_unicast+0x449/0x710 [ 4395.129303][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.129303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.129303][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.129303][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.129303][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.129303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.129303][ T73] [ 4395.131476][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.131476][ T73] dst_init+0x84/0x4a0 [ 4395.131476][ T73] dst_alloc+0x97/0x150 [ 4395.131476][ T73] ip6_dst_alloc+0x23/0x90 [ 4395.131476][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4395.131476][ T73] ip6_pol_route+0x56f/0x840 [ 4395.131476][ T73] fib6_rule_lookup+0x456/0x630 [ 4395.131476][ T73] ip6_route_input+0x59c/0xa50 [ 4395.131476][ T73] ipv6_rcv+0x397/0x810 [ 4395.131476][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4395.131476][ T73] process_backlog+0x101/0x620 [ 4395.131476][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4395.131476][ T73] net_rx_action+0x495/0xbe0 [ 4395.131476][ T73] __do_softirq+0x1b5/0x7f6 [ 4395.131476][ T73] [ 4395.133278][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.133278][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.133278][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.133278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.133278][ T73] ip6_route_add+0x1c/0x140 [ 4395.133278][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4395.133278][ T73] inet6_addr_add+0x4f8/0xa40 [ 4395.133278][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.133278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.133278][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.133278][ T73] netlink_unicast+0x449/0x710 [ 4395.133278][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.133278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.133278][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.133278][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.133278][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.133278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.133278][ T73] [ 4395.135586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.135586][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.135586][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.135586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.135586][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4395.135586][ T73] ipv6_add_addr+0x411/0x2000 [ 4395.135586][ T73] inet6_addr_add+0x30e/0xa40 [ 4395.135586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.135586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.135586][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.135586][ T73] netlink_unicast+0x449/0x710 [ 4395.135586][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.135586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.135586][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.135586][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.135586][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.135586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.135586][ T73] [ 4395.137992][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.137992][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.137992][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.137992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.137992][ T73] ip6_route_add+0x1c/0x140 [ 4395.137992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4395.137992][ T73] addrconf_add_dev+0xe2/0x170 [ 4395.137992][ T73] inet6_addr_add+0x12f/0xa40 [ 4395.137992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.137992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.137992][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.137992][ T73] netlink_unicast+0x449/0x710 [ 4395.137992][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.137992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.137992][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.137992][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.137992][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.137992][ T73] [ 4395.140377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.140377][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4395.140377][ T73] ipv6_find_idev+0x102/0x170 [ 4395.140377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.140377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.140377][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.140377][ T73] netlink_unicast+0x449/0x710 [ 4395.140377][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.140377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.140377][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.140377][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.140377][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.140377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.140377][ T73] [ 4395.142227][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4395.142227][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4395.142227][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4395.142227][ T73] ipv6_find_idev+0x102/0x170 [ 4395.142227][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.142227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.142227][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.142227][ T73] netlink_unicast+0x449/0x710 [ 4395.142227][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.142227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.142227][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.142227][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.142227][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.142227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.142227][ T73] [ 4395.144280][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4395.144566][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4395.144566][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.144566][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.144566][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.144566][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4395.144566][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4395.144566][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4395.144566][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4395.144566][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4395.144566][ T73] addrconf_dad_begin+0x310/0x670 [ 4395.144566][ T73] addrconf_dad_work+0x10b/0xab0 [ 4395.144566][ T73] process_one_work+0x84d/0x18a0 [ 4395.144566][ T73] worker_thread+0x587/0xd30 [ 4395.144566][ T73] kthread+0x28a/0x350 [ 4395.144566][ T73] ret_from_fork+0x31/0x70 [ 4395.144566][ T73] ret_from_fork_asm+0x1a/0x30 [ 4395.144566][ T73] [ 4395.146884][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4395.146884][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.146884][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.146884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.146884][ T73] ip6_route_add+0x1c/0x140 [ 4395.146884][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4395.146884][ T73] inet6_addr_add+0x4f8/0xa40 [ 4395.146884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.146884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.146884][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.146884][ T73] netlink_unicast+0x449/0x710 [ 4395.146884][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.146884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.146884][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.146884][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.146884][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.146884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.146884][ T73] [ 4395.149302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4395.149302][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.149302][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.149302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.149302][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4395.149302][ T73] ipv6_add_addr+0x411/0x2000 [ 4395.149302][ T73] inet6_addr_add+0x30e/0xa40 [ 4395.149302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.149302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.149302][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.149302][ T73] netlink_unicast+0x449/0x710 [ 4395.149302][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.149302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.149302][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.149302][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.149302][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.149302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.149302][ T73] [ 4395.151707][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4395.151707][ T73] netdev_get_by_index+0x5e/0x80 [ 4395.151707][ T73] fib6_nh_init+0x3d8/0x1580 [ 4395.151707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4395.151707][ T73] ip6_route_add+0x1c/0x140 [ 4395.151707][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4395.151707][ T73] addrconf_add_dev+0xe2/0x170 [ 4395.151707][ T73] inet6_addr_add+0x12f/0xa40 [ 4395.151707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4395.151707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.151707][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.151707][ T73] netlink_unicast+0x449/0x710 [ 4395.151707][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.151707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.151707][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.151707][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.151707][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.151707][ T73] [ 4395.154050][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4395.154050][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4395.154050][ T73] ipv6_find_idev+0x102/0x170 [ 4395.154050][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.154050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.154050][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.154050][ T73] netlink_unicast+0x449/0x710 [ 4395.154050][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.154050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.154050][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.154050][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.154050][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.154050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.154050][ T73] [ 4395.155874][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4395.155874][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4395.155874][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4395.155874][ T73] ipv6_find_idev+0x102/0x170 [ 4395.155874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4395.155874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4395.155874][ T73] netlink_rcv_skb+0x130/0x360 [ 4395.155874][ T73] netlink_unicast+0x449/0x710 [ 4395.155874][ T73] netlink_sendmsg+0x723/0xbe0 [ 4395.155874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4395.155874][ T73] ___sys_sendmsg+0xee/0x170 [ 4395.155874][ T73] __sys_sendmsg+0xcd/0x170 [ 4395.155874][ T73] do_syscall_64+0xc6/0x1e0 [ 4395.155874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4395.155874][ T73] [ 4405.398905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4405.399345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.399345][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4405.399345][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4405.399345][ T73] fib6_nh_init+0xa22/0x1580 [ 4405.399345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.399345][ T73] ip6_route_add+0x1c/0x140 [ 4405.399345][ T73] inet6_rtm_newroute+0x104/0x110 [ 4405.399345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.399345][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.399345][ T73] netlink_unicast+0x449/0x710 [ 4405.399345][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.399345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.399345][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.399345][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.399345][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.399345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.399345][ T73] [ 4405.401437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.401437][ T73] dst_init+0x84/0x4a0 [ 4405.401437][ T73] dst_alloc+0x97/0x150 [ 4405.401437][ T73] ip6_dst_alloc+0x23/0x90 [ 4405.401437][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4405.401437][ T73] ip6_pol_route+0x56f/0x840 [ 4405.401437][ T73] fib6_rule_lookup+0x456/0x630 [ 4405.401437][ T73] ip6_route_input+0x59c/0xa50 [ 4405.401437][ T73] ipv6_rcv+0x397/0x810 [ 4405.401437][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4405.401437][ T73] process_backlog+0x101/0x620 [ 4405.401437][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4405.401437][ T73] net_rx_action+0x495/0xbe0 [ 4405.401437][ T73] __do_softirq+0x1b5/0x7f6 [ 4405.401437][ T73] [ 4405.403228][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.403228][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.403228][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.403228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.403228][ T73] ip6_route_add+0x1c/0x140 [ 4405.403228][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4405.403228][ T73] inet6_addr_add+0x4f8/0xa40 [ 4405.403228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.403228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.403228][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.403228][ T73] netlink_unicast+0x449/0x710 [ 4405.403228][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.403228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.403228][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.403228][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.403228][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.403228][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.403228][ T73] [ 4405.405238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.405238][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.405238][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.405238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.405238][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4405.405238][ T73] ipv6_add_addr+0x411/0x2000 [ 4405.405238][ T73] inet6_addr_add+0x30e/0xa40 [ 4405.405238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.405238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.405238][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.405238][ T73] netlink_unicast+0x449/0x710 [ 4405.405238][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.405238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.405238][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.405238][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.405238][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.405238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.405238][ T73] [ 4405.407763][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.407763][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.407763][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.407763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.407763][ T73] ip6_route_add+0x1c/0x140 [ 4405.407763][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4405.407763][ T73] addrconf_add_dev+0xe2/0x170 [ 4405.407763][ T73] inet6_addr_add+0x12f/0xa40 [ 4405.407763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.407763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.407763][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.407763][ T73] netlink_unicast+0x449/0x710 [ 4405.407763][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.407763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.407763][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.407763][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.407763][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.407763][ T73] [ 4405.409735][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.409735][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4405.409735][ T73] ipv6_find_idev+0x102/0x170 [ 4405.409735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.409735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.409735][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.409735][ T73] netlink_unicast+0x449/0x710 [ 4405.409735][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.409735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.409735][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.409735][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.409735][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.409735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.409735][ T73] [ 4405.411294][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4405.411294][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4405.411294][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4405.411294][ T73] ipv6_find_idev+0x102/0x170 [ 4405.411294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.411294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.411294][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.411294][ T73] netlink_unicast+0x449/0x710 [ 4405.411294][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.411294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.411294][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.411294][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.411294][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.411294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.411294][ T73] [ 4405.413001][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4405.413274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.413274][ T73] dst_init+0x84/0x4a0 [ 4405.413274][ T73] dst_alloc+0x97/0x150 [ 4405.413274][ T73] ip6_dst_alloc+0x23/0x90 [ 4405.413274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4405.413274][ T73] ip6_pol_route+0x56f/0x840 [ 4405.413274][ T73] fib6_rule_lookup+0x456/0x630 [ 4405.413274][ T73] ip6_route_input+0x59c/0xa50 [ 4405.413274][ T73] ipv6_rcv+0x397/0x810 [ 4405.413274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4405.413274][ T73] process_backlog+0x101/0x620 [ 4405.413274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4405.413274][ T73] net_rx_action+0x495/0xbe0 [ 4405.413274][ T73] __do_softirq+0x1b5/0x7f6 [ 4405.413274][ T73] [ 4405.415077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.415077][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.415077][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.415077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.415077][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4405.415077][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4405.415077][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4405.415077][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4405.415077][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4405.415077][ T73] addrconf_dad_begin+0x310/0x670 [ 4405.415077][ T73] addrconf_dad_work+0x10b/0xab0 [ 4405.415077][ T73] process_one_work+0x84d/0x18a0 [ 4405.415077][ T73] worker_thread+0x587/0xd30 [ 4405.415077][ T73] kthread+0x28a/0x350 [ 4405.415077][ T73] ret_from_fork+0x31/0x70 [ 4405.415077][ T73] ret_from_fork_asm+0x1a/0x30 [ 4405.415077][ T73] [ 4405.417169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.417169][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.417169][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.417169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.417169][ T73] ip6_route_add+0x1c/0x140 [ 4405.417169][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4405.417169][ T73] inet6_addr_add+0x4f8/0xa40 [ 4405.417169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.417169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.417169][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.417169][ T73] netlink_unicast+0x449/0x710 [ 4405.417169][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.417169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.417169][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.417169][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.417169][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.417169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.417169][ T73] [ 4405.419760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.419760][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.419760][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.419760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.419760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4405.419760][ T73] ipv6_add_addr+0x411/0x2000 [ 4405.419760][ T73] inet6_addr_add+0x30e/0xa40 [ 4405.419760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.419760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.419760][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.419760][ T73] netlink_unicast+0x449/0x710 [ 4405.419760][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.419760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.419760][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.419760][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.419760][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.419760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.419760][ T73] [ 4405.421956][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.421956][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.421956][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.421956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.421956][ T73] ip6_route_add+0x1c/0x140 [ 4405.421956][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4405.421956][ T73] addrconf_add_dev+0xe2/0x170 [ 4405.421956][ T73] inet6_addr_add+0x12f/0xa40 [ 4405.421956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.421956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.421956][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.421956][ T73] netlink_unicast+0x449/0x710 [ 4405.421956][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.421956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.421956][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.421956][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.421956][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.421956][ T73] [ 4405.424102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.424102][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4405.424102][ T73] ipv6_find_idev+0x102/0x170 [ 4405.424102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.424102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.424102][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.424102][ T73] netlink_unicast+0x449/0x710 [ 4405.424102][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.424102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.424102][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.424102][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.424102][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.424102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.424102][ T73] [ 4405.425794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4405.425794][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4405.425794][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4405.425794][ T73] ipv6_find_idev+0x102/0x170 [ 4405.425794][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.425794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.425794][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.425794][ T73] netlink_unicast+0x449/0x710 [ 4405.425794][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.425794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.425794][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.425794][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.425794][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.425794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.425794][ T73] [ 4405.427766][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4405.428073][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.428073][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4405.428073][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4405.428073][ T73] fib6_nh_init+0xa22/0x1580 [ 4405.428073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.428073][ T73] ip6_route_add+0x1c/0x140 [ 4405.428073][ T73] inet6_rtm_newroute+0x104/0x110 [ 4405.428073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.428073][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.428073][ T73] netlink_unicast+0x449/0x710 [ 4405.428073][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.428073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.428073][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.428073][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.428073][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.428073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.428073][ T73] [ 4405.430418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.430418][ T73] dst_init+0x84/0x4a0 [ 4405.430418][ T73] dst_alloc+0x97/0x150 [ 4405.430418][ T73] ip6_dst_alloc+0x23/0x90 [ 4405.430418][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4405.430418][ T73] ip6_pol_route+0x56f/0x840 [ 4405.430418][ T73] fib6_rule_lookup+0x456/0x630 [ 4405.430418][ T73] ip6_route_input+0x59c/0xa50 [ 4405.430418][ T73] ipv6_rcv+0x397/0x810 [ 4405.430418][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4405.430418][ T73] process_backlog+0x101/0x620 [ 4405.430418][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4405.430418][ T73] net_rx_action+0x495/0xbe0 [ 4405.430418][ T73] __do_softirq+0x1b5/0x7f6 [ 4405.430418][ T73] [ 4405.432439][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.432439][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.432439][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.432439][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.432439][ T73] ip6_route_add+0x1c/0x140 [ 4405.432439][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4405.432439][ T73] inet6_addr_add+0x4f8/0xa40 [ 4405.432439][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.432439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.432439][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.432439][ T73] netlink_unicast+0x449/0x710 [ 4405.432439][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.432439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.432439][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.432439][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.432439][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.432439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.432439][ T73] [ 4405.434679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.434679][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.434679][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.434679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.434679][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4405.434679][ T73] ipv6_add_addr+0x411/0x2000 [ 4405.434679][ T73] inet6_addr_add+0x30e/0xa40 [ 4405.434679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.434679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.434679][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.434679][ T73] netlink_unicast+0x449/0x710 [ 4405.434679][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.434679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.434679][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.434679][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.434679][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.434679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.434679][ T73] [ 4405.436921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.436921][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.436921][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.436921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.436921][ T73] ip6_route_add+0x1c/0x140 [ 4405.436921][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4405.436921][ T73] addrconf_add_dev+0xe2/0x170 [ 4405.436921][ T73] inet6_addr_add+0x12f/0xa40 [ 4405.436921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.436921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.436921][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.436921][ T73] netlink_unicast+0x449/0x710 [ 4405.436921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.436921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.436921][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.436921][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.436921][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.436921][ T73] [ 4405.439127][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.439127][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4405.439127][ T73] ipv6_find_idev+0x102/0x170 [ 4405.439127][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.439127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.439127][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.439127][ T73] netlink_unicast+0x449/0x710 [ 4405.439127][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.439127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.439127][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.439127][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.439127][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.439127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.439127][ T73] [ 4405.440853][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4405.440853][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4405.440853][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4405.440853][ T73] ipv6_find_idev+0x102/0x170 [ 4405.440853][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.440853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.440853][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.440853][ T73] netlink_unicast+0x449/0x710 [ 4405.440853][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.440853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.440853][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.440853][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.440853][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.440853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.440853][ T73] [ 4405.442791][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4405.443062][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4405.443062][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.443062][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.443062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.443062][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4405.443062][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4405.443062][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4405.443062][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4405.443062][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4405.443062][ T73] addrconf_dad_begin+0x310/0x670 [ 4405.443062][ T73] addrconf_dad_work+0x10b/0xab0 [ 4405.443062][ T73] process_one_work+0x84d/0x18a0 [ 4405.443062][ T73] worker_thread+0x587/0xd30 [ 4405.443062][ T73] kthread+0x28a/0x350 [ 4405.443062][ T73] ret_from_fork+0x31/0x70 [ 4405.443062][ T73] ret_from_fork_asm+0x1a/0x30 [ 4405.443062][ T73] [ 4405.445216][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4405.445216][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.445216][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.445216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.445216][ T73] ip6_route_add+0x1c/0x140 [ 4405.445216][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4405.445216][ T73] inet6_addr_add+0x4f8/0xa40 [ 4405.445216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.445216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.445216][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.445216][ T73] netlink_unicast+0x449/0x710 [ 4405.445216][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.445216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.445216][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.445216][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.445216][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.445216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.445216][ T73] [ 4405.447461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4405.447461][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.447461][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.447461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.447461][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4405.447461][ T73] ipv6_add_addr+0x411/0x2000 [ 4405.447461][ T73] inet6_addr_add+0x30e/0xa40 [ 4405.447461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.447461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.447461][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.447461][ T73] netlink_unicast+0x449/0x710 [ 4405.447461][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.447461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.447461][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.447461][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.447461][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.447461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.447461][ T73] [ 4405.450061][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4405.450061][ T73] netdev_get_by_index+0x5e/0x80 [ 4405.450061][ T73] fib6_nh_init+0x3d8/0x1580 [ 4405.450061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4405.450061][ T73] ip6_route_add+0x1c/0x140 [ 4405.450061][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4405.450061][ T73] addrconf_add_dev+0xe2/0x170 [ 4405.450061][ T73] inet6_addr_add+0x12f/0xa40 [ 4405.450061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4405.450061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.450061][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.450061][ T73] netlink_unicast+0x449/0x710 [ 4405.450061][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.450061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.450061][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.450061][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.450061][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.450061][ T73] [ 4405.452270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4405.452270][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4405.452270][ T73] ipv6_find_idev+0x102/0x170 [ 4405.452270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.452270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.452270][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.452270][ T73] netlink_unicast+0x449/0x710 [ 4405.452270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.452270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.452270][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.452270][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.452270][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.452270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.452270][ T73] [ 4405.453992][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4405.453992][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4405.453992][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4405.453992][ T73] ipv6_find_idev+0x102/0x170 [ 4405.453992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4405.453992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4405.453992][ T73] netlink_rcv_skb+0x130/0x360 [ 4405.453992][ T73] netlink_unicast+0x449/0x710 [ 4405.453992][ T73] netlink_sendmsg+0x723/0xbe0 [ 4405.453992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4405.453992][ T73] ___sys_sendmsg+0xee/0x170 [ 4405.453992][ T73] __sys_sendmsg+0xcd/0x170 [ 4405.453992][ T73] do_syscall_64+0xc6/0x1e0 [ 4405.453992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4405.453992][ T73] [ 4415.694926][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4415.695377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.695377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4415.695377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4415.695377][ T73] fib6_nh_init+0xa22/0x1580 [ 4415.695377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.695377][ T73] ip6_route_add+0x1c/0x140 [ 4415.695377][ T73] inet6_rtm_newroute+0x104/0x110 [ 4415.695377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.695377][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.695377][ T73] netlink_unicast+0x449/0x710 [ 4415.695377][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.695377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.695377][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.695377][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.695377][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.695377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.695377][ T73] [ 4415.697823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.697823][ T73] dst_init+0x84/0x4a0 [ 4415.697823][ T73] dst_alloc+0x97/0x150 [ 4415.697823][ T73] ip6_dst_alloc+0x23/0x90 [ 4415.697823][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4415.697823][ T73] ip6_pol_route+0x56f/0x840 [ 4415.697823][ T73] fib6_rule_lookup+0x456/0x630 [ 4415.697823][ T73] ip6_route_input+0x59c/0xa50 [ 4415.697823][ T73] ipv6_rcv+0x397/0x810 [ 4415.697823][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4415.697823][ T73] process_backlog+0x101/0x620 [ 4415.697823][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4415.697823][ T73] net_rx_action+0x495/0xbe0 [ 4415.697823][ T73] __do_softirq+0x1b5/0x7f6 [ 4415.697823][ T73] [ 4415.699610][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.699610][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.699610][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.699610][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.699610][ T73] ip6_route_add+0x1c/0x140 [ 4415.699610][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4415.699610][ T73] inet6_addr_add+0x4f8/0xa40 [ 4415.699610][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.699610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.699610][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.699610][ T73] netlink_unicast+0x449/0x710 [ 4415.699610][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.699610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.699610][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.699610][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.699610][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.699610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.699610][ T73] [ 4415.701810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.701810][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.701810][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.701810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.701810][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4415.701810][ T73] ipv6_add_addr+0x411/0x2000 [ 4415.701810][ T73] inet6_addr_add+0x30e/0xa40 [ 4415.701810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.701810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.701810][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.701810][ T73] netlink_unicast+0x449/0x710 [ 4415.701810][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.701810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.701810][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.701810][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.701810][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.701810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.701810][ T73] [ 4415.704007][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.704007][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.704007][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.704007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.704007][ T73] ip6_route_add+0x1c/0x140 [ 4415.704007][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4415.704007][ T73] addrconf_add_dev+0xe2/0x170 [ 4415.704007][ T73] inet6_addr_add+0x12f/0xa40 [ 4415.704007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.704007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.704007][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.704007][ T73] netlink_unicast+0x449/0x710 [ 4415.704007][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.704007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.704007][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.704007][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.704007][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.704007][ T73] [ 4415.706167][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.706167][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4415.706167][ T73] ipv6_find_idev+0x102/0x170 [ 4415.706167][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.706167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.706167][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.706167][ T73] netlink_unicast+0x449/0x710 [ 4415.706167][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.706167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.706167][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.706167][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.706167][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.706167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.706167][ T73] [ 4415.707861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4415.707861][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4415.707861][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4415.707861][ T73] ipv6_find_idev+0x102/0x170 [ 4415.707861][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.707861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.707861][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.707861][ T73] netlink_unicast+0x449/0x710 [ 4415.707861][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.707861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.707861][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.707861][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.707861][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.707861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.707861][ T73] [ 4415.709730][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4415.710038][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.710038][ T73] dst_init+0x84/0x4a0 [ 4415.710038][ T73] dst_alloc+0x97/0x150 [ 4415.710038][ T73] ip6_dst_alloc+0x23/0x90 [ 4415.710038][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4415.710038][ T73] ip6_pol_route+0x56f/0x840 [ 4415.710038][ T73] fib6_rule_lookup+0x456/0x630 [ 4415.710038][ T73] ip6_route_input+0x59c/0xa50 [ 4415.710038][ T73] ipv6_rcv+0x397/0x810 [ 4415.710038][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4415.710038][ T73] process_backlog+0x101/0x620 [ 4415.710038][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4415.710038][ T73] net_rx_action+0x495/0xbe0 [ 4415.710038][ T73] __do_softirq+0x1b5/0x7f6 [ 4415.710038][ T73] [ 4415.711842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.711842][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.711842][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.711842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.711842][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4415.711842][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4415.711842][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4415.711842][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4415.711842][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4415.711842][ T73] addrconf_dad_begin+0x310/0x670 [ 4415.711842][ T73] addrconf_dad_work+0x10b/0xab0 [ 4415.711842][ T73] process_one_work+0x84d/0x18a0 [ 4415.711842][ T73] worker_thread+0x587/0xd30 [ 4415.711842][ T73] kthread+0x28a/0x350 [ 4415.711842][ T73] ret_from_fork+0x31/0x70 [ 4415.711842][ T73] ret_from_fork_asm+0x1a/0x30 [ 4415.711842][ T73] [ 4415.714295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.714295][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.714295][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.714295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.714295][ T73] ip6_route_add+0x1c/0x140 [ 4415.714295][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4415.714295][ T73] inet6_addr_add+0x4f8/0xa40 [ 4415.714295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.714295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.714295][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.714295][ T73] netlink_unicast+0x449/0x710 [ 4415.714295][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.714295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.714295][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.714295][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.714295][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.714295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.714295][ T73] [ 4415.716463][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.716463][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.716463][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.716463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.716463][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4415.716463][ T73] ipv6_add_addr+0x411/0x2000 [ 4415.716463][ T73] inet6_addr_add+0x30e/0xa40 [ 4415.716463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.716463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.716463][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.716463][ T73] netlink_unicast+0x449/0x710 [ 4415.716463][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.716463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.716463][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.716463][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.716463][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.716463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.716463][ T73] [ 4415.718608][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.718608][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.718608][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.718608][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.718608][ T73] ip6_route_add+0x1c/0x140 [ 4415.718608][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4415.718608][ T73] addrconf_add_dev+0xe2/0x170 [ 4415.718608][ T73] inet6_addr_add+0x12f/0xa40 [ 4415.718608][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.718608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.718608][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.718608][ T73] netlink_unicast+0x449/0x710 [ 4415.718608][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.718608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.718608][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.718608][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.718608][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.718608][ T73] [ 4415.720736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.720736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4415.720736][ T73] ipv6_find_idev+0x102/0x170 [ 4415.720736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.720736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.720736][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.720736][ T73] netlink_unicast+0x449/0x710 [ 4415.720736][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.720736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.720736][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.720736][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.720736][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.720736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.720736][ T73] [ 4415.722422][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4415.722422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4415.722422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4415.722422][ T73] ipv6_find_idev+0x102/0x170 [ 4415.722422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.722422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.722422][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.722422][ T73] netlink_unicast+0x449/0x710 [ 4415.722422][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.722422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.722422][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.722422][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.722422][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.722422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.722422][ T73] [ 4415.724400][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4415.724691][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.724691][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4415.724691][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4415.724691][ T73] fib6_nh_init+0xa22/0x1580 [ 4415.724691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.724691][ T73] ip6_route_add+0x1c/0x140 [ 4415.724691][ T73] inet6_rtm_newroute+0x104/0x110 [ 4415.724691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.724691][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.724691][ T73] netlink_unicast+0x449/0x710 [ 4415.724691][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.724691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.724691][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.724691][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.724691][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.724691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.724691][ T73] [ 4415.727051][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.727051][ T73] dst_init+0x84/0x4a0 [ 4415.727051][ T73] dst_alloc+0x97/0x150 [ 4415.727051][ T73] ip6_dst_alloc+0x23/0x90 [ 4415.727051][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4415.727051][ T73] ip6_pol_route+0x56f/0x840 [ 4415.727051][ T73] fib6_rule_lookup+0x456/0x630 [ 4415.727051][ T73] ip6_route_input+0x59c/0xa50 [ 4415.727051][ T73] ipv6_rcv+0x397/0x810 [ 4415.727051][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4415.727051][ T73] process_backlog+0x101/0x620 [ 4415.727051][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4415.727051][ T73] net_rx_action+0x495/0xbe0 [ 4415.727051][ T73] __do_softirq+0x1b5/0x7f6 [ 4415.727051][ T73] [ 4415.729015][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.729015][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.729015][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.729015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.729015][ T73] ip6_route_add+0x1c/0x140 [ 4415.729015][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4415.729015][ T73] inet6_addr_add+0x4f8/0xa40 [ 4415.729015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.729015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.729015][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.729015][ T73] netlink_unicast+0x449/0x710 [ 4415.729015][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.729015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.729015][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.729015][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.729015][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.729015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.729015][ T73] [ 4415.731459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.731459][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.731459][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.731459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.731459][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4415.731459][ T73] ipv6_add_addr+0x411/0x2000 [ 4415.731459][ T73] inet6_addr_add+0x30e/0xa40 [ 4415.731459][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.731459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.731459][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.731459][ T73] netlink_unicast+0x449/0x710 [ 4415.731459][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.731459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.731459][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.731459][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.731459][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.731459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.731459][ T73] [ 4415.733883][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.733883][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.733883][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.733883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.733883][ T73] ip6_route_add+0x1c/0x140 [ 4415.733883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4415.733883][ T73] addrconf_add_dev+0xe2/0x170 [ 4415.733883][ T73] inet6_addr_add+0x12f/0xa40 [ 4415.733883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.733883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.733883][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.733883][ T73] netlink_unicast+0x449/0x710 [ 4415.733883][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.733883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.733883][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.733883][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.733883][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.733883][ T73] [ 4415.736232][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.736232][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4415.736232][ T73] ipv6_find_idev+0x102/0x170 [ 4415.736232][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.736232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.736232][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.736232][ T73] netlink_unicast+0x449/0x710 [ 4415.736232][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.736232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.736232][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.736232][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.736232][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.736232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.736232][ T73] [ 4415.737958][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4415.737958][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4415.737958][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4415.737958][ T73] ipv6_find_idev+0x102/0x170 [ 4415.737958][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.737958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.737958][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.737958][ T73] netlink_unicast+0x449/0x710 [ 4415.737958][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.737958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.737958][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.737958][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.737958][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.737958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.737958][ T73] [ 4415.739926][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4415.740216][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4415.740216][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.740216][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.740216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.740216][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4415.740216][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4415.740216][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4415.740216][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4415.740216][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4415.740216][ T73] addrconf_dad_begin+0x310/0x670 [ 4415.740216][ T73] addrconf_dad_work+0x10b/0xab0 [ 4415.740216][ T73] process_one_work+0x84d/0x18a0 [ 4415.740216][ T73] worker_thread+0x587/0xd30 [ 4415.740216][ T73] kthread+0x28a/0x350 [ 4415.740216][ T73] ret_from_fork+0x31/0x70 [ 4415.740216][ T73] ret_from_fork_asm+0x1a/0x30 [ 4415.740216][ T73] [ 4415.742421][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4415.742421][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.742421][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.742421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.742421][ T73] ip6_route_add+0x1c/0x140 [ 4415.742421][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4415.742421][ T73] inet6_addr_add+0x4f8/0xa40 [ 4415.742421][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.742421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.742421][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.742421][ T73] netlink_unicast+0x449/0x710 [ 4415.742421][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.742421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.742421][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.742421][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.742421][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.742421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.742421][ T73] [ 4415.744744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4415.744744][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.744744][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.744744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.744744][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4415.744744][ T73] ipv6_add_addr+0x411/0x2000 [ 4415.744744][ T73] inet6_addr_add+0x30e/0xa40 [ 4415.744744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.744744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.744744][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.744744][ T73] netlink_unicast+0x449/0x710 [ 4415.744744][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.744744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.744744][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.744744][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.744744][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.744744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.744744][ T73] [ 4415.747144][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4415.747144][ T73] netdev_get_by_index+0x5e/0x80 [ 4415.747144][ T73] fib6_nh_init+0x3d8/0x1580 [ 4415.747144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4415.747144][ T73] ip6_route_add+0x1c/0x140 [ 4415.747144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4415.747144][ T73] addrconf_add_dev+0xe2/0x170 [ 4415.747144][ T73] inet6_addr_add+0x12f/0xa40 [ 4415.747144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4415.747144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.747144][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.747144][ T73] netlink_unicast+0x449/0x710 [ 4415.747144][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.747144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.747144][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.747144][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.747144][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.747144][ T73] [ 4415.749431][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4415.749431][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4415.749431][ T73] ipv6_find_idev+0x102/0x170 [ 4415.749431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.749431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.749431][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.749431][ T73] netlink_unicast+0x449/0x710 [ 4415.749431][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.749431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.749431][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.749431][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.749431][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.749431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.749431][ T73] [ 4415.751191][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4415.751191][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4415.751191][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4415.751191][ T73] ipv6_find_idev+0x102/0x170 [ 4415.751191][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4415.751191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4415.751191][ T73] netlink_rcv_skb+0x130/0x360 [ 4415.751191][ T73] netlink_unicast+0x449/0x710 [ 4415.751191][ T73] netlink_sendmsg+0x723/0xbe0 [ 4415.751191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4415.751191][ T73] ___sys_sendmsg+0xee/0x170 [ 4415.751191][ T73] __sys_sendmsg+0xcd/0x170 [ 4415.751191][ T73] do_syscall_64+0xc6/0x1e0 [ 4415.751191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4415.751191][ T73] [ 4425.990906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4425.991340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4425.991340][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4425.991340][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4425.991340][ T73] fib6_nh_init+0xa22/0x1580 [ 4425.991340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4425.991340][ T73] ip6_route_add+0x1c/0x140 [ 4425.991340][ T73] inet6_rtm_newroute+0x104/0x110 [ 4425.991340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4425.991340][ T73] netlink_rcv_skb+0x130/0x360 [ 4425.991340][ T73] netlink_unicast+0x449/0x710 [ 4425.991340][ T73] netlink_sendmsg+0x723/0xbe0 [ 4425.991340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4425.991340][ T73] ___sys_sendmsg+0xee/0x170 [ 4425.991340][ T73] __sys_sendmsg+0xcd/0x170 [ 4425.991340][ T73] do_syscall_64+0xc6/0x1e0 [ 4425.991340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4425.991340][ T73] [ 4425.993385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4425.993385][ T73] dst_init+0x84/0x4a0 [ 4425.993385][ T73] dst_alloc+0x97/0x150 [ 4425.993385][ T73] ip6_dst_alloc+0x23/0x90 [ 4425.993385][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4425.993385][ T73] ip6_pol_route+0x56f/0x840 [ 4425.993385][ T73] fib6_rule_lookup+0x456/0x630 [ 4425.993385][ T73] ip6_route_input+0x59c/0xa50 [ 4425.993385][ T73] ipv6_rcv+0x397/0x810 [ 4425.993385][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4425.993385][ T73] process_backlog+0x101/0x620 [ 4425.993385][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4425.993385][ T73] net_rx_action+0x495/0xbe0 [ 4425.993385][ T73] __do_softirq+0x1b5/0x7f6 [ 4425.993385][ T73] [ 4425.995032][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4425.995032][ T73] netdev_get_by_index+0x5e/0x80 [ 4425.995032][ T73] fib6_nh_init+0x3d8/0x1580 [ 4425.995032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4425.995032][ T73] ip6_route_add+0x1c/0x140 [ 4425.995032][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4425.995032][ T73] inet6_addr_add+0x4f8/0xa40 [ 4425.995032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4425.995032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4425.995032][ T73] netlink_rcv_skb+0x130/0x360 [ 4425.995032][ T73] netlink_unicast+0x449/0x710 [ 4425.995032][ T73] netlink_sendmsg+0x723/0xbe0 [ 4425.995032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4425.995032][ T73] ___sys_sendmsg+0xee/0x170 [ 4425.995032][ T73] __sys_sendmsg+0xcd/0x170 [ 4425.995032][ T73] do_syscall_64+0xc6/0x1e0 [ 4425.995032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4425.995032][ T73] [ 4425.997104][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4425.997104][ T73] netdev_get_by_index+0x5e/0x80 [ 4425.997104][ T73] fib6_nh_init+0x3d8/0x1580 [ 4425.997104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4425.997104][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4425.997104][ T73] ipv6_add_addr+0x411/0x2000 [ 4425.997104][ T73] inet6_addr_add+0x30e/0xa40 [ 4425.997104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4425.997104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4425.997104][ T73] netlink_rcv_skb+0x130/0x360 [ 4425.997104][ T73] netlink_unicast+0x449/0x710 [ 4425.997104][ T73] netlink_sendmsg+0x723/0xbe0 [ 4425.997104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4425.997104][ T73] ___sys_sendmsg+0xee/0x170 [ 4425.997104][ T73] __sys_sendmsg+0xcd/0x170 [ 4425.997104][ T73] do_syscall_64+0xc6/0x1e0 [ 4425.997104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4425.997104][ T73] [ 4425.999124][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4425.999124][ T73] netdev_get_by_index+0x5e/0x80 [ 4425.999124][ T73] fib6_nh_init+0x3d8/0x1580 [ 4425.999124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4425.999124][ T73] ip6_route_add+0x1c/0x140 [ 4425.999124][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4425.999124][ T73] addrconf_add_dev+0xe2/0x170 [ 4425.999124][ T73] inet6_addr_add+0x12f/0xa40 [ 4425.999124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4425.999124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4425.999124][ T73] netlink_rcv_skb+0x130/0x360 [ 4425.999124][ T73] netlink_unicast+0x449/0x710 [ 4425.999124][ T73] netlink_sendmsg+0x723/0xbe0 [ 4425.999124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4425.999124][ T73] ___sys_sendmsg+0xee/0x170 [ 4425.999124][ T73] __sys_sendmsg+0xcd/0x170 [ 4425.999124][ T73] do_syscall_64+0xc6/0x1e0 [ 4425.999124][ T73] [ 4426.001239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4426.001239][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4426.001239][ T73] ipv6_find_idev+0x102/0x170 [ 4426.001239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.001239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.001239][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.001239][ T73] netlink_unicast+0x449/0x710 [ 4426.001239][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.001239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.001239][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.001239][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.001239][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.001239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.001239][ T73] [ 4426.002897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4426.002897][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4426.002897][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4426.002897][ T73] ipv6_find_idev+0x102/0x170 [ 4426.002897][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.002897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.002897][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.002897][ T73] netlink_unicast+0x449/0x710 [ 4426.002897][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.002897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.002897][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.002897][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.002897][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.002897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.002897][ T73] [ 4426.004786][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4426.005096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.005096][ T73] dst_init+0x84/0x4a0 [ 4426.005096][ T73] dst_alloc+0x97/0x150 [ 4426.005096][ T73] ip6_dst_alloc+0x23/0x90 [ 4426.005096][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4426.005096][ T73] ip6_pol_route+0x56f/0x840 [ 4426.005096][ T73] fib6_rule_lookup+0x456/0x630 [ 4426.005096][ T73] ip6_route_input+0x59c/0xa50 [ 4426.005096][ T73] ipv6_rcv+0x397/0x810 [ 4426.005096][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4426.005096][ T73] process_backlog+0x101/0x620 [ 4426.005096][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4426.005096][ T73] net_rx_action+0x495/0xbe0 [ 4426.005096][ T73] __do_softirq+0x1b5/0x7f6 [ 4426.005096][ T73] [ 4426.006893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.006893][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.006893][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.006893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.006893][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4426.006893][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4426.006893][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4426.006893][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4426.006893][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4426.006893][ T73] addrconf_dad_begin+0x310/0x670 [ 4426.006893][ T73] addrconf_dad_work+0x10b/0xab0 [ 4426.006893][ T73] process_one_work+0x84d/0x18a0 [ 4426.006893][ T73] worker_thread+0x587/0xd30 [ 4426.006893][ T73] kthread+0x28a/0x350 [ 4426.006893][ T73] ret_from_fork+0x31/0x70 [ 4426.006893][ T73] ret_from_fork_asm+0x1a/0x30 [ 4426.006893][ T73] [ 4426.008974][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.008974][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.008974][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.008974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.008974][ T73] ip6_route_add+0x1c/0x140 [ 4426.008974][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4426.008974][ T73] inet6_addr_add+0x4f8/0xa40 [ 4426.008974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.008974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.008974][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.008974][ T73] netlink_unicast+0x449/0x710 [ 4426.008974][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.008974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.008974][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.008974][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.008974][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.008974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.008974][ T73] [ 4426.011186][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.011186][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.011186][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.011186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.011186][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4426.011186][ T73] ipv6_add_addr+0x411/0x2000 [ 4426.011186][ T73] inet6_addr_add+0x30e/0xa40 [ 4426.011186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.011186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.011186][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.011186][ T73] netlink_unicast+0x449/0x710 [ 4426.011186][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.011186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.011186][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.011186][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.011186][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.011186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.011186][ T73] [ 4426.013388][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.013388][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.013388][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.013388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.013388][ T73] ip6_route_add+0x1c/0x140 [ 4426.013388][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4426.013388][ T73] addrconf_add_dev+0xe2/0x170 [ 4426.013388][ T73] inet6_addr_add+0x12f/0xa40 [ 4426.013388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.013388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.013388][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.013388][ T73] netlink_unicast+0x449/0x710 [ 4426.013388][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.013388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.013388][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.013388][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.013388][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.013388][ T73] [ 4426.015497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.015497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4426.015497][ T73] ipv6_find_idev+0x102/0x170 [ 4426.015497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.015497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.015497][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.015497][ T73] netlink_unicast+0x449/0x710 [ 4426.015497][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.015497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.015497][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.015497][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.015497][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.015497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.015497][ T73] [ 4426.017040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4426.017040][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4426.017040][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4426.017040][ T73] ipv6_find_idev+0x102/0x170 [ 4426.017040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.017040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.017040][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.017040][ T73] netlink_unicast+0x449/0x710 [ 4426.017040][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.017040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.017040][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.017040][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.017040][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.017040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.017040][ T73] [ 4426.018863][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4426.019133][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.019133][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4426.019133][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4426.019133][ T73] fib6_nh_init+0xa22/0x1580 [ 4426.019133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.019133][ T73] ip6_route_add+0x1c/0x140 [ 4426.019133][ T73] inet6_rtm_newroute+0x104/0x110 [ 4426.019133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.019133][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.019133][ T73] netlink_unicast+0x449/0x710 [ 4426.019133][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.019133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.019133][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.019133][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.019133][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.019133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.019133][ T73] [ 4426.021263][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.021263][ T73] dst_init+0x84/0x4a0 [ 4426.021263][ T73] dst_alloc+0x97/0x150 [ 4426.021263][ T73] ip6_dst_alloc+0x23/0x90 [ 4426.021263][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4426.021263][ T73] ip6_pol_route+0x56f/0x840 [ 4426.021263][ T73] fib6_rule_lookup+0x456/0x630 [ 4426.021263][ T73] ip6_route_input+0x59c/0xa50 [ 4426.021263][ T73] ipv6_rcv+0x397/0x810 [ 4426.021263][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4426.021263][ T73] process_backlog+0x101/0x620 [ 4426.021263][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4426.021263][ T73] net_rx_action+0x495/0xbe0 [ 4426.021263][ T73] __do_softirq+0x1b5/0x7f6 [ 4426.021263][ T73] [ 4426.023111][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.023111][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.023111][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.023111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.023111][ T73] ip6_route_add+0x1c/0x140 [ 4426.023111][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4426.023111][ T73] inet6_addr_add+0x4f8/0xa40 [ 4426.023111][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.023111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.023111][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.023111][ T73] netlink_unicast+0x449/0x710 [ 4426.023111][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.023111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.023111][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.023111][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.023111][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.023111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.023111][ T73] [ 4426.025419][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.025419][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.025419][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.025419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.025419][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4426.025419][ T73] ipv6_add_addr+0x411/0x2000 [ 4426.025419][ T73] inet6_addr_add+0x30e/0xa40 [ 4426.025419][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.025419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.025419][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.025419][ T73] netlink_unicast+0x449/0x710 [ 4426.025419][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.025419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.025419][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.025419][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.025419][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.025419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.025419][ T73] [ 4426.027668][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.027668][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.027668][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.027668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.027668][ T73] ip6_route_add+0x1c/0x140 [ 4426.027668][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4426.027668][ T73] addrconf_add_dev+0xe2/0x170 [ 4426.027668][ T73] inet6_addr_add+0x12f/0xa40 [ 4426.027668][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.027668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.027668][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.027668][ T73] netlink_unicast+0x449/0x710 [ 4426.027668][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.027668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.027668][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.027668][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.027668][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.027668][ T73] [ 4426.029878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.029878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4426.029878][ T73] ipv6_find_idev+0x102/0x170 [ 4426.029878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.029878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.029878][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.029878][ T73] netlink_unicast+0x449/0x710 [ 4426.029878][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.029878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.029878][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.029878][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.029878][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.029878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.029878][ T73] [ 4426.031621][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4426.031621][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4426.031621][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4426.031621][ T73] ipv6_find_idev+0x102/0x170 [ 4426.031621][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.031621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.031621][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.031621][ T73] netlink_unicast+0x449/0x710 [ 4426.031621][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.031621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.031621][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.031621][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.031621][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.031621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.031621][ T73] [ 4426.033614][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4426.034325][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4426.034325][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.034325][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.034325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.034325][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4426.034325][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4426.034325][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4426.034325][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4426.034325][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4426.034325][ T73] addrconf_dad_begin+0x310/0x670 [ 4426.034325][ T73] addrconf_dad_work+0x10b/0xab0 [ 4426.034325][ T73] process_one_work+0x84d/0x18a0 [ 4426.034325][ T73] worker_thread+0x587/0xd30 [ 4426.034325][ T73] kthread+0x28a/0x350 [ 4426.034325][ T73] ret_from_fork+0x31/0x70 [ 4426.034325][ T73] ret_from_fork_asm+0x1a/0x30 [ 4426.034325][ T73] [ 4426.036243][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4426.036243][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.036243][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.036243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.036243][ T73] ip6_route_add+0x1c/0x140 [ 4426.036243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4426.036243][ T73] inet6_addr_add+0x4f8/0xa40 [ 4426.036243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.036243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.036243][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.036243][ T73] netlink_unicast+0x449/0x710 [ 4426.036243][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.036243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.036243][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.036243][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.036243][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.036243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.036243][ T73] [ 4426.038380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4426.038380][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.038380][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.038380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.038380][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4426.038380][ T73] ipv6_add_addr+0x411/0x2000 [ 4426.038380][ T73] inet6_addr_add+0x30e/0xa40 [ 4426.038380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.038380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.038380][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.038380][ T73] netlink_unicast+0x449/0x710 [ 4426.038380][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.038380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.038380][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.038380][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.038380][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.038380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.038380][ T73] [ 4426.040571][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4426.040571][ T73] netdev_get_by_index+0x5e/0x80 [ 4426.040571][ T73] fib6_nh_init+0x3d8/0x1580 [ 4426.040571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4426.040571][ T73] ip6_route_add+0x1c/0x140 [ 4426.040571][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4426.040571][ T73] addrconf_add_dev+0xe2/0x170 [ 4426.040571][ T73] inet6_addr_add+0x12f/0xa40 [ 4426.040571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.040571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.040571][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.040571][ T73] netlink_unicast+0x449/0x710 [ 4426.040571][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.040571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.040571][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.040571][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.040571][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.040571][ T73] [ 4426.042783][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4426.042783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4426.042783][ T73] ipv6_find_idev+0x102/0x170 [ 4426.042783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.042783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.042783][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.042783][ T73] netlink_unicast+0x449/0x710 [ 4426.042783][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.042783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.042783][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.042783][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.042783][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.042783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.042783][ T73] [ 4426.044511][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4426.044511][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4426.044511][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4426.044511][ T73] ipv6_find_idev+0x102/0x170 [ 4426.044511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.044511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.044511][ T73] netlink_rcv_skb+0x130/0x360 [ 4426.044511][ T73] netlink_unicast+0x449/0x710 [ 4426.044511][ T73] netlink_sendmsg+0x723/0xbe0 [ 4426.044511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4426.044511][ T73] ___sys_sendmsg+0xee/0x170 [ 4426.044511][ T73] __sys_sendmsg+0xcd/0x170 [ 4426.044511][ T73] do_syscall_64+0xc6/0x1e0 [ 4426.044511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.044511][ T73] [ 4436.286926][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4436.287398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.287398][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4436.287398][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4436.287398][ T73] fib6_nh_init+0xa22/0x1580 [ 4436.287398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.287398][ T73] ip6_route_add+0x1c/0x140 [ 4436.287398][ T73] inet6_rtm_newroute+0x104/0x110 [ 4436.287398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.287398][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.287398][ T73] netlink_unicast+0x449/0x710 [ 4436.287398][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.287398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.287398][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.287398][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.287398][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.287398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.287398][ T73] [ 4436.289301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.289301][ T73] dst_init+0x84/0x4a0 [ 4436.289301][ T73] dst_alloc+0x97/0x150 [ 4436.289301][ T73] ip6_dst_alloc+0x23/0x90 [ 4436.289301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4436.289301][ T73] ip6_pol_route+0x56f/0x840 [ 4436.289301][ T73] fib6_rule_lookup+0x456/0x630 [ 4436.289301][ T73] ip6_route_input+0x59c/0xa50 [ 4436.289301][ T73] ipv6_rcv+0x397/0x810 [ 4436.289301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4436.289301][ T73] process_backlog+0x101/0x620 [ 4436.289301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4436.289301][ T73] net_rx_action+0x495/0xbe0 [ 4436.289301][ T73] __do_softirq+0x1b5/0x7f6 [ 4436.289301][ T73] [ 4436.291206][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.291206][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.291206][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.291206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.291206][ T73] ip6_route_add+0x1c/0x140 [ 4436.291206][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4436.291206][ T73] inet6_addr_add+0x4f8/0xa40 [ 4436.291206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.291206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.291206][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.291206][ T73] netlink_unicast+0x449/0x710 [ 4436.291206][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.291206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.291206][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.291206][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.291206][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.291206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.291206][ T73] [ 4436.294437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.294437][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.294437][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.294437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.294437][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4436.294437][ T73] ipv6_add_addr+0x411/0x2000 [ 4436.294437][ T73] inet6_addr_add+0x30e/0xa40 [ 4436.294437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.294437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.294437][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.294437][ T73] netlink_unicast+0x449/0x710 [ 4436.294437][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.294437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.294437][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.294437][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.294437][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.294437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.294437][ T73] [ 4436.297650][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.297650][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.297650][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.297650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.297650][ T73] ip6_route_add+0x1c/0x140 [ 4436.297650][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4436.297650][ T73] addrconf_add_dev+0xe2/0x170 [ 4436.297650][ T73] inet6_addr_add+0x12f/0xa40 [ 4436.297650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.297650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.297650][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.297650][ T73] netlink_unicast+0x449/0x710 [ 4436.297650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.297650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.297650][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.297650][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.297650][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.297650][ T73] [ 4436.300827][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.300827][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4436.300827][ T73] ipv6_find_idev+0x102/0x170 [ 4436.300827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.300827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.300827][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.300827][ T73] netlink_unicast+0x449/0x710 [ 4436.300827][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.300827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.300827][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.300827][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.300827][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.300827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.300827][ T73] [ 4436.302479][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4436.302479][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4436.302479][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4436.302479][ T73] ipv6_find_idev+0x102/0x170 [ 4436.302479][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.302479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.302479][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.302479][ T73] netlink_unicast+0x449/0x710 [ 4436.302479][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.302479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.302479][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.302479][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.302479][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.302479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.302479][ T73] [ 4436.304193][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4436.304489][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.304489][ T73] dst_init+0x84/0x4a0 [ 4436.304489][ T73] dst_alloc+0x97/0x150 [ 4436.304489][ T73] ip6_dst_alloc+0x23/0x90 [ 4436.304489][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4436.304489][ T73] ip6_pol_route+0x56f/0x840 [ 4436.304489][ T73] fib6_rule_lookup+0x456/0x630 [ 4436.304489][ T73] ip6_route_input+0x59c/0xa50 [ 4436.304489][ T73] ipv6_rcv+0x397/0x810 [ 4436.304489][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4436.304489][ T73] process_backlog+0x101/0x620 [ 4436.304489][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4436.304489][ T73] net_rx_action+0x495/0xbe0 [ 4436.304489][ T73] __do_softirq+0x1b5/0x7f6 [ 4436.304489][ T73] [ 4436.306288][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.306288][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.306288][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.306288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.306288][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4436.306288][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4436.306288][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4436.306288][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4436.306288][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4436.306288][ T73] addrconf_dad_begin+0x310/0x670 [ 4436.306288][ T73] addrconf_dad_work+0x10b/0xab0 [ 4436.306288][ T73] process_one_work+0x84d/0x18a0 [ 4436.306288][ T73] worker_thread+0x587/0xd30 [ 4436.306288][ T73] kthread+0x28a/0x350 [ 4436.306288][ T73] ret_from_fork+0x31/0x70 [ 4436.306288][ T73] ret_from_fork_asm+0x1a/0x30 [ 4436.306288][ T73] [ 4436.308391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.308391][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.308391][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.308391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.308391][ T73] ip6_route_add+0x1c/0x140 [ 4436.308391][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4436.308391][ T73] inet6_addr_add+0x4f8/0xa40 [ 4436.308391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.308391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.308391][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.308391][ T73] netlink_unicast+0x449/0x710 [ 4436.308391][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.308391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.308391][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.308391][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.308391][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.308391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.308391][ T73] [ 4436.310560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.310560][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.310560][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.310560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.310560][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4436.310560][ T73] ipv6_add_addr+0x411/0x2000 [ 4436.310560][ T73] inet6_addr_add+0x30e/0xa40 [ 4436.310560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.310560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.310560][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.310560][ T73] netlink_unicast+0x449/0x710 [ 4436.310560][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.310560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.310560][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.310560][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.310560][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.310560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.310560][ T73] [ 4436.312572][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.312572][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.312572][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.312572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.312572][ T73] ip6_route_add+0x1c/0x140 [ 4436.312572][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4436.312572][ T73] addrconf_add_dev+0xe2/0x170 [ 4436.312572][ T73] inet6_addr_add+0x12f/0xa40 [ 4436.312572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.312572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.312572][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.312572][ T73] netlink_unicast+0x449/0x710 [ 4436.312572][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.312572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.312572][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.312572][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.312572][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.312572][ T73] [ 4436.314554][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.314554][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4436.314554][ T73] ipv6_find_idev+0x102/0x170 [ 4436.314554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.314554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.314554][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.314554][ T73] netlink_unicast+0x449/0x710 [ 4436.314554][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.314554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.314554][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.314554][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.314554][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.314554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.314554][ T73] [ 4436.316149][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4436.316149][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4436.316149][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4436.316149][ T73] ipv6_find_idev+0x102/0x170 [ 4436.316149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.316149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.316149][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.316149][ T73] netlink_unicast+0x449/0x710 [ 4436.316149][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.316149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.316149][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.316149][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.316149][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.316149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.316149][ T73] [ 4436.318055][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4436.318357][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.318357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4436.318357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4436.318357][ T73] fib6_nh_init+0xa22/0x1580 [ 4436.318357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.318357][ T73] ip6_route_add+0x1c/0x140 [ 4436.318357][ T73] inet6_rtm_newroute+0x104/0x110 [ 4436.318357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.318357][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.318357][ T73] netlink_unicast+0x449/0x710 [ 4436.318357][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.318357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.318357][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.318357][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.318357][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.318357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.318357][ T73] [ 4436.320725][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.320725][ T73] dst_init+0x84/0x4a0 [ 4436.320725][ T73] dst_alloc+0x97/0x150 [ 4436.320725][ T73] ip6_dst_alloc+0x23/0x90 [ 4436.320725][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4436.320725][ T73] ip6_pol_route+0x56f/0x840 [ 4436.320725][ T73] fib6_rule_lookup+0x456/0x630 [ 4436.320725][ T73] ip6_route_input+0x59c/0xa50 [ 4436.320725][ T73] ipv6_rcv+0x397/0x810 [ 4436.320725][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4436.320725][ T73] process_backlog+0x101/0x620 [ 4436.320725][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4436.320725][ T73] net_rx_action+0x495/0xbe0 [ 4436.320725][ T73] __do_softirq+0x1b5/0x7f6 [ 4436.320725][ T73] [ 4436.322687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.322687][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.322687][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.322687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.322687][ T73] ip6_route_add+0x1c/0x140 [ 4436.322687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4436.322687][ T73] inet6_addr_add+0x4f8/0xa40 [ 4436.322687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.322687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.322687][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.322687][ T73] netlink_unicast+0x449/0x710 [ 4436.322687][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.322687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.322687][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.322687][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.322687][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.322687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.322687][ T73] [ 4436.324941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.324941][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.324941][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.324941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.324941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4436.324941][ T73] ipv6_add_addr+0x411/0x2000 [ 4436.324941][ T73] inet6_addr_add+0x30e/0xa40 [ 4436.324941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.324941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.324941][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.324941][ T73] netlink_unicast+0x449/0x710 [ 4436.324941][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.324941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.324941][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.324941][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.324941][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.324941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.324941][ T73] [ 4436.327198][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.327198][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.327198][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.327198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.327198][ T73] ip6_route_add+0x1c/0x140 [ 4436.327198][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4436.327198][ T73] addrconf_add_dev+0xe2/0x170 [ 4436.327198][ T73] inet6_addr_add+0x12f/0xa40 [ 4436.327198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.327198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.327198][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.327198][ T73] netlink_unicast+0x449/0x710 [ 4436.327198][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.327198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.327198][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.327198][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.327198][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.327198][ T73] [ 4436.329360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.329360][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4436.329360][ T73] ipv6_find_idev+0x102/0x170 [ 4436.329360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.329360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.329360][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.329360][ T73] netlink_unicast+0x449/0x710 [ 4436.329360][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.329360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.329360][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.329360][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.329360][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.329360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.329360][ T73] [ 4436.331161][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4436.331161][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4436.331161][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4436.331161][ T73] ipv6_find_idev+0x102/0x170 [ 4436.331161][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.331161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.331161][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.331161][ T73] netlink_unicast+0x449/0x710 [ 4436.331161][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.331161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.331161][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.331161][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.331161][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.331161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.331161][ T73] [ 4436.333103][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4436.333370][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4436.333370][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.333370][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.333370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.333370][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4436.333370][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4436.333370][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4436.333370][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4436.333370][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4436.333370][ T73] addrconf_dad_begin+0x310/0x670 [ 4436.333370][ T73] addrconf_dad_work+0x10b/0xab0 [ 4436.333370][ T73] process_one_work+0x84d/0x18a0 [ 4436.333370][ T73] worker_thread+0x587/0xd30 [ 4436.333370][ T73] kthread+0x28a/0x350 [ 4436.333370][ T73] ret_from_fork+0x31/0x70 [ 4436.333370][ T73] ret_from_fork_asm+0x1a/0x30 [ 4436.333370][ T73] [ 4436.335543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4436.335543][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.335543][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.335543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.335543][ T73] ip6_route_add+0x1c/0x140 [ 4436.335543][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4436.335543][ T73] inet6_addr_add+0x4f8/0xa40 [ 4436.335543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.335543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.335543][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.335543][ T73] netlink_unicast+0x449/0x710 [ 4436.335543][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.335543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.335543][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.335543][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.335543][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.335543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.335543][ T73] [ 4436.337869][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4436.337869][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.337869][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.337869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.337869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4436.337869][ T73] ipv6_add_addr+0x411/0x2000 [ 4436.337869][ T73] inet6_addr_add+0x30e/0xa40 [ 4436.337869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.337869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.337869][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.337869][ T73] netlink_unicast+0x449/0x710 [ 4436.337869][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.337869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.337869][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.337869][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.337869][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.337869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.337869][ T73] [ 4436.340139][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4436.340139][ T73] netdev_get_by_index+0x5e/0x80 [ 4436.340139][ T73] fib6_nh_init+0x3d8/0x1580 [ 4436.340139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4436.340139][ T73] ip6_route_add+0x1c/0x140 [ 4436.340139][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4436.340139][ T73] addrconf_add_dev+0xe2/0x170 [ 4436.340139][ T73] inet6_addr_add+0x12f/0xa40 [ 4436.340139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4436.340139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.340139][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.340139][ T73] netlink_unicast+0x449/0x710 [ 4436.340139][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.340139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.340139][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.340139][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.340139][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.340139][ T73] [ 4436.342363][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4436.342363][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4436.342363][ T73] ipv6_find_idev+0x102/0x170 [ 4436.342363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.342363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.342363][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.342363][ T73] netlink_unicast+0x449/0x710 [ 4436.342363][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.342363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.342363][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.342363][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.342363][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.342363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.342363][ T73] [ 4436.344106][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4436.344106][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4436.344106][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4436.344106][ T73] ipv6_find_idev+0x102/0x170 [ 4436.344106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4436.344106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4436.344106][ T73] netlink_rcv_skb+0x130/0x360 [ 4436.344106][ T73] netlink_unicast+0x449/0x710 [ 4436.344106][ T73] netlink_sendmsg+0x723/0xbe0 [ 4436.344106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4436.344106][ T73] ___sys_sendmsg+0xee/0x170 [ 4436.344106][ T73] __sys_sendmsg+0xcd/0x170 [ 4436.344106][ T73] do_syscall_64+0xc6/0x1e0 [ 4436.344106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4436.344106][ T73] [ 4446.582987][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4446.583428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.583428][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4446.583428][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4446.583428][ T73] fib6_nh_init+0xa22/0x1580 [ 4446.583428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.583428][ T73] ip6_route_add+0x1c/0x140 [ 4446.583428][ T73] inet6_rtm_newroute+0x104/0x110 [ 4446.583428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.583428][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.583428][ T73] netlink_unicast+0x449/0x710 [ 4446.583428][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.583428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.583428][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.583428][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.583428][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.583428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.583428][ T73] [ 4446.585509][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.585509][ T73] dst_init+0x84/0x4a0 [ 4446.585509][ T73] dst_alloc+0x97/0x150 [ 4446.585509][ T73] ip6_dst_alloc+0x23/0x90 [ 4446.585509][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4446.585509][ T73] ip6_pol_route+0x56f/0x840 [ 4446.585509][ T73] fib6_rule_lookup+0x456/0x630 [ 4446.585509][ T73] ip6_route_input+0x59c/0xa50 [ 4446.585509][ T73] ipv6_rcv+0x397/0x810 [ 4446.585509][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4446.585509][ T73] process_backlog+0x101/0x620 [ 4446.585509][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4446.585509][ T73] net_rx_action+0x495/0xbe0 [ 4446.585509][ T73] __do_softirq+0x1b5/0x7f6 [ 4446.585509][ T73] [ 4446.587312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.587312][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.587312][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.587312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.587312][ T73] ip6_route_add+0x1c/0x140 [ 4446.587312][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4446.587312][ T73] inet6_addr_add+0x4f8/0xa40 [ 4446.587312][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.587312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.587312][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.587312][ T73] netlink_unicast+0x449/0x710 [ 4446.587312][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.587312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.587312][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.587312][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.587312][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.587312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.587312][ T73] [ 4446.589519][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.589519][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.589519][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.589519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.589519][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4446.589519][ T73] ipv6_add_addr+0x411/0x2000 [ 4446.589519][ T73] inet6_addr_add+0x30e/0xa40 [ 4446.589519][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.589519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.589519][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.589519][ T73] netlink_unicast+0x449/0x710 [ 4446.589519][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.589519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.589519][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.589519][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.589519][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.589519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.589519][ T73] [ 4446.591738][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.591738][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.591738][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.591738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.591738][ T73] ip6_route_add+0x1c/0x140 [ 4446.591738][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4446.591738][ T73] addrconf_add_dev+0xe2/0x170 [ 4446.591738][ T73] inet6_addr_add+0x12f/0xa40 [ 4446.591738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.591738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.591738][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.591738][ T73] netlink_unicast+0x449/0x710 [ 4446.591738][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.591738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.591738][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.591738][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.591738][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.591738][ T73] [ 4446.593897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.593897][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4446.593897][ T73] ipv6_find_idev+0x102/0x170 [ 4446.593897][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.593897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.593897][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.593897][ T73] netlink_unicast+0x449/0x710 [ 4446.593897][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.593897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.593897][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.593897][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.593897][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.593897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.593897][ T73] [ 4446.595590][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4446.595590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4446.595590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4446.595590][ T73] ipv6_find_idev+0x102/0x170 [ 4446.595590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.595590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.595590][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.595590][ T73] netlink_unicast+0x449/0x710 [ 4446.595590][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.595590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.595590][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.595590][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.595590][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.595590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.595590][ T73] [ 4446.597470][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4446.597769][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.597769][ T73] dst_init+0x84/0x4a0 [ 4446.597769][ T73] dst_alloc+0x97/0x150 [ 4446.597769][ T73] ip6_dst_alloc+0x23/0x90 [ 4446.597769][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4446.597769][ T73] ip6_pol_route+0x56f/0x840 [ 4446.597769][ T73] fib6_rule_lookup+0x456/0x630 [ 4446.597769][ T73] ip6_route_input+0x59c/0xa50 [ 4446.597769][ T73] ipv6_rcv+0x397/0x810 [ 4446.597769][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4446.597769][ T73] process_backlog+0x101/0x620 [ 4446.597769][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4446.597769][ T73] net_rx_action+0x495/0xbe0 [ 4446.597769][ T73] __do_softirq+0x1b5/0x7f6 [ 4446.597769][ T73] [ 4446.599572][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.599572][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.599572][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.599572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.599572][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4446.599572][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4446.599572][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4446.599572][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4446.599572][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4446.599572][ T73] addrconf_dad_begin+0x310/0x670 [ 4446.599572][ T73] addrconf_dad_work+0x10b/0xab0 [ 4446.599572][ T73] process_one_work+0x84d/0x18a0 [ 4446.599572][ T73] worker_thread+0x587/0xd30 [ 4446.599572][ T73] kthread+0x28a/0x350 [ 4446.599572][ T73] ret_from_fork+0x31/0x70 [ 4446.599572][ T73] ret_from_fork_asm+0x1a/0x30 [ 4446.599572][ T73] [ 4446.601683][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.601683][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.601683][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.601683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.601683][ T73] ip6_route_add+0x1c/0x140 [ 4446.601683][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4446.601683][ T73] inet6_addr_add+0x4f8/0xa40 [ 4446.601683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.601683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.601683][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.601683][ T73] netlink_unicast+0x449/0x710 [ 4446.601683][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.601683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.601683][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.601683][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.601683][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.601683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.601683][ T73] [ 4446.603855][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.603855][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.603855][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.603855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.603855][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4446.603855][ T73] ipv6_add_addr+0x411/0x2000 [ 4446.603855][ T73] inet6_addr_add+0x30e/0xa40 [ 4446.603855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.603855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.603855][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.603855][ T73] netlink_unicast+0x449/0x710 [ 4446.603855][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.603855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.603855][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.603855][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.603855][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.603855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.603855][ T73] [ 4446.606012][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.606012][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.606012][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.606012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.606012][ T73] ip6_route_add+0x1c/0x140 [ 4446.606012][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4446.606012][ T73] addrconf_add_dev+0xe2/0x170 [ 4446.606012][ T73] inet6_addr_add+0x12f/0xa40 [ 4446.606012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.606012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.606012][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.606012][ T73] netlink_unicast+0x449/0x710 [ 4446.606012][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.606012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.606012][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.606012][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.606012][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.606012][ T73] [ 4446.608135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.608135][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4446.608135][ T73] ipv6_find_idev+0x102/0x170 [ 4446.608135][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.608135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.608135][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.608135][ T73] netlink_unicast+0x449/0x710 [ 4446.608135][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.608135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.608135][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.608135][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.608135][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.608135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.608135][ T73] [ 4446.609787][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4446.609787][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4446.609787][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4446.609787][ T73] ipv6_find_idev+0x102/0x170 [ 4446.609787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.609787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.609787][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.609787][ T73] netlink_unicast+0x449/0x710 [ 4446.609787][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.609787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.609787][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.609787][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.609787][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.609787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.609787][ T73] [ 4446.611767][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4446.612071][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.612071][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4446.612071][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4446.612071][ T73] fib6_nh_init+0xa22/0x1580 [ 4446.612071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.612071][ T73] ip6_route_add+0x1c/0x140 [ 4446.612071][ T73] inet6_rtm_newroute+0x104/0x110 [ 4446.612071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.612071][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.612071][ T73] netlink_unicast+0x449/0x710 [ 4446.612071][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.612071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.612071][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.612071][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.612071][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.612071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.612071][ T73] [ 4446.614437][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.614437][ T73] dst_init+0x84/0x4a0 [ 4446.614437][ T73] dst_alloc+0x97/0x150 [ 4446.614437][ T73] ip6_dst_alloc+0x23/0x90 [ 4446.614437][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4446.614437][ T73] ip6_pol_route+0x56f/0x840 [ 4446.614437][ T73] fib6_rule_lookup+0x456/0x630 [ 4446.614437][ T73] ip6_route_input+0x59c/0xa50 [ 4446.614437][ T73] ipv6_rcv+0x397/0x810 [ 4446.614437][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4446.614437][ T73] process_backlog+0x101/0x620 [ 4446.614437][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4446.614437][ T73] net_rx_action+0x495/0xbe0 [ 4446.614437][ T73] __do_softirq+0x1b5/0x7f6 [ 4446.614437][ T73] [ 4446.616409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.616409][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.616409][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.616409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.616409][ T73] ip6_route_add+0x1c/0x140 [ 4446.616409][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4446.616409][ T73] inet6_addr_add+0x4f8/0xa40 [ 4446.616409][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.616409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.616409][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.616409][ T73] netlink_unicast+0x449/0x710 [ 4446.616409][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.616409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.616409][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.616409][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.616409][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.616409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.616409][ T73] [ 4446.618859][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.618859][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.618859][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.618859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.618859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4446.618859][ T73] ipv6_add_addr+0x411/0x2000 [ 4446.618859][ T73] inet6_addr_add+0x30e/0xa40 [ 4446.618859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.618859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.618859][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.618859][ T73] netlink_unicast+0x449/0x710 [ 4446.618859][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.618859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.618859][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.618859][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.618859][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.618859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.618859][ T73] [ 4446.621296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.621296][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.621296][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.621296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.621296][ T73] ip6_route_add+0x1c/0x140 [ 4446.621296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4446.621296][ T73] addrconf_add_dev+0xe2/0x170 [ 4446.621296][ T73] inet6_addr_add+0x12f/0xa40 [ 4446.621296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.621296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.621296][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.621296][ T73] netlink_unicast+0x449/0x710 [ 4446.621296][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.621296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.621296][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.621296][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.621296][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.621296][ T73] [ 4446.623691][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.623691][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4446.623691][ T73] ipv6_find_idev+0x102/0x170 [ 4446.623691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.623691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.623691][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.623691][ T73] netlink_unicast+0x449/0x710 [ 4446.623691][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.623691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.623691][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.623691][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.623691][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.623691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.623691][ T73] [ 4446.625565][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4446.625565][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4446.625565][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4446.625565][ T73] ipv6_find_idev+0x102/0x170 [ 4446.625565][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.625565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.625565][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.625565][ T73] netlink_unicast+0x449/0x710 [ 4446.625565][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.625565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.625565][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.625565][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.625565][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.625565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.625565][ T73] [ 4446.628174][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4446.628475][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4446.628475][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.628475][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.628475][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.628475][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4446.628475][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4446.628475][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4446.628475][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4446.628475][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4446.628475][ T73] addrconf_dad_begin+0x310/0x670 [ 4446.628475][ T73] addrconf_dad_work+0x10b/0xab0 [ 4446.628475][ T73] process_one_work+0x84d/0x18a0 [ 4446.628475][ T73] worker_thread+0x587/0xd30 [ 4446.628475][ T73] kthread+0x28a/0x350 [ 4446.628475][ T73] ret_from_fork+0x31/0x70 [ 4446.628475][ T73] ret_from_fork_asm+0x1a/0x30 [ 4446.628475][ T73] [ 4446.630828][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4446.630828][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.630828][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.630828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.630828][ T73] ip6_route_add+0x1c/0x140 [ 4446.630828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4446.630828][ T73] inet6_addr_add+0x4f8/0xa40 [ 4446.630828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.630828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.630828][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.630828][ T73] netlink_unicast+0x449/0x710 [ 4446.630828][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.630828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.630828][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.630828][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.630828][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.630828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.630828][ T73] [ 4446.633221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4446.633221][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.633221][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.633221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.633221][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4446.633221][ T73] ipv6_add_addr+0x411/0x2000 [ 4446.633221][ T73] inet6_addr_add+0x30e/0xa40 [ 4446.633221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.633221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.633221][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.633221][ T73] netlink_unicast+0x449/0x710 [ 4446.633221][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.633221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.633221][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.633221][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.633221][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.633221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.633221][ T73] [ 4446.635629][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4446.635629][ T73] netdev_get_by_index+0x5e/0x80 [ 4446.635629][ T73] fib6_nh_init+0x3d8/0x1580 [ 4446.635629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4446.635629][ T73] ip6_route_add+0x1c/0x140 [ 4446.635629][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4446.635629][ T73] addrconf_add_dev+0xe2/0x170 [ 4446.635629][ T73] inet6_addr_add+0x12f/0xa40 [ 4446.635629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4446.635629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.635629][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.635629][ T73] netlink_unicast+0x449/0x710 [ 4446.635629][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.635629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.635629][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.635629][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.635629][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.635629][ T73] [ 4446.637997][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4446.637997][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4446.637997][ T73] ipv6_find_idev+0x102/0x170 [ 4446.637997][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.637997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.637997][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.637997][ T73] netlink_unicast+0x449/0x710 [ 4446.637997][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.637997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.637997][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.637997][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.637997][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.637997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.637997][ T73] [ 4446.639856][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4446.639856][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4446.639856][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4446.639856][ T73] ipv6_find_idev+0x102/0x170 [ 4446.639856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4446.639856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4446.639856][ T73] netlink_rcv_skb+0x130/0x360 [ 4446.639856][ T73] netlink_unicast+0x449/0x710 [ 4446.639856][ T73] netlink_sendmsg+0x723/0xbe0 [ 4446.639856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4446.639856][ T73] ___sys_sendmsg+0xee/0x170 [ 4446.639856][ T73] __sys_sendmsg+0xcd/0x170 [ 4446.639856][ T73] do_syscall_64+0xc6/0x1e0 [ 4446.639856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4446.639856][ T73] [ 4456.878891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4456.879332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.879332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4456.879332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4456.879332][ T73] fib6_nh_init+0xa22/0x1580 [ 4456.879332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.879332][ T73] ip6_route_add+0x1c/0x140 [ 4456.879332][ T73] inet6_rtm_newroute+0x104/0x110 [ 4456.879332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.879332][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.879332][ T73] netlink_unicast+0x449/0x710 [ 4456.879332][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.879332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.879332][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.879332][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.879332][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.879332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.879332][ T73] [ 4456.881235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.881235][ T73] dst_init+0x84/0x4a0 [ 4456.881235][ T73] dst_alloc+0x97/0x150 [ 4456.881235][ T73] ip6_dst_alloc+0x23/0x90 [ 4456.881235][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4456.881235][ T73] ip6_pol_route+0x56f/0x840 [ 4456.881235][ T73] fib6_rule_lookup+0x456/0x630 [ 4456.881235][ T73] ip6_route_input+0x59c/0xa50 [ 4456.881235][ T73] ipv6_rcv+0x397/0x810 [ 4456.881235][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4456.881235][ T73] process_backlog+0x101/0x620 [ 4456.881235][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4456.881235][ T73] net_rx_action+0x495/0xbe0 [ 4456.881235][ T73] __do_softirq+0x1b5/0x7f6 [ 4456.881235][ T73] [ 4456.882869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.882869][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.882869][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.882869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.882869][ T73] ip6_route_add+0x1c/0x140 [ 4456.882869][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4456.882869][ T73] inet6_addr_add+0x4f8/0xa40 [ 4456.882869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.882869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.882869][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.882869][ T73] netlink_unicast+0x449/0x710 [ 4456.882869][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.882869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.882869][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.882869][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.882869][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.882869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.882869][ T73] [ 4456.884852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.884852][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.884852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.884852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.884852][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4456.884852][ T73] ipv6_add_addr+0x411/0x2000 [ 4456.884852][ T73] inet6_addr_add+0x30e/0xa40 [ 4456.884852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.884852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.884852][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.884852][ T73] netlink_unicast+0x449/0x710 [ 4456.884852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.884852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.884852][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.884852][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.884852][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.884852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.884852][ T73] [ 4456.886839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.886839][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.886839][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.886839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.886839][ T73] ip6_route_add+0x1c/0x140 [ 4456.886839][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4456.886839][ T73] addrconf_add_dev+0xe2/0x170 [ 4456.886839][ T73] inet6_addr_add+0x12f/0xa40 [ 4456.886839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.886839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.886839][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.886839][ T73] netlink_unicast+0x449/0x710 [ 4456.886839][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.886839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.886839][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.886839][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.886839][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.886839][ T73] [ 4456.888788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.888788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4456.888788][ T73] ipv6_find_idev+0x102/0x170 [ 4456.888788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.888788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.888788][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.888788][ T73] netlink_unicast+0x449/0x710 [ 4456.888788][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.888788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.888788][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.888788][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.888788][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.888788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.888788][ T73] [ 4456.890325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4456.890325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4456.890325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4456.890325][ T73] ipv6_find_idev+0x102/0x170 [ 4456.890325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.890325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.890325][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.890325][ T73] netlink_unicast+0x449/0x710 [ 4456.890325][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.890325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.890325][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.890325][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.890325][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.890325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.890325][ T73] [ 4456.892003][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4456.892284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.892284][ T73] dst_init+0x84/0x4a0 [ 4456.892284][ T73] dst_alloc+0x97/0x150 [ 4456.892284][ T73] ip6_dst_alloc+0x23/0x90 [ 4456.892284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4456.892284][ T73] ip6_pol_route+0x56f/0x840 [ 4456.892284][ T73] fib6_rule_lookup+0x456/0x630 [ 4456.892284][ T73] ip6_route_input+0x59c/0xa50 [ 4456.892284][ T73] ipv6_rcv+0x397/0x810 [ 4456.892284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4456.892284][ T73] process_backlog+0x101/0x620 [ 4456.892284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4456.892284][ T73] net_rx_action+0x495/0xbe0 [ 4456.892284][ T73] __do_softirq+0x1b5/0x7f6 [ 4456.892284][ T73] [ 4456.893927][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.893927][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.893927][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.893927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.893927][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4456.893927][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4456.893927][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4456.893927][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4456.893927][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4456.893927][ T73] addrconf_dad_begin+0x310/0x670 [ 4456.893927][ T73] addrconf_dad_work+0x10b/0xab0 [ 4456.893927][ T73] process_one_work+0x84d/0x18a0 [ 4456.893927][ T73] worker_thread+0x587/0xd30 [ 4456.893927][ T73] kthread+0x28a/0x350 [ 4456.893927][ T73] ret_from_fork+0x31/0x70 [ 4456.893927][ T73] ret_from_fork_asm+0x1a/0x30 [ 4456.893927][ T73] [ 4456.896349][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.896349][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.896349][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.896349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.896349][ T73] ip6_route_add+0x1c/0x140 [ 4456.896349][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4456.896349][ T73] inet6_addr_add+0x4f8/0xa40 [ 4456.896349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.896349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.896349][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.896349][ T73] netlink_unicast+0x449/0x710 [ 4456.896349][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.896349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.896349][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.896349][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.896349][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.896349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.896349][ T73] [ 4456.898333][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.898333][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.898333][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.898333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.898333][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4456.898333][ T73] ipv6_add_addr+0x411/0x2000 [ 4456.898333][ T73] inet6_addr_add+0x30e/0xa40 [ 4456.898333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.898333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.898333][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.898333][ T73] netlink_unicast+0x449/0x710 [ 4456.898333][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.898333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.898333][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.898333][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.898333][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.898333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.898333][ T73] [ 4456.900726][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.900726][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.900726][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.900726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.900726][ T73] ip6_route_add+0x1c/0x140 [ 4456.900726][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4456.900726][ T73] addrconf_add_dev+0xe2/0x170 [ 4456.900726][ T73] inet6_addr_add+0x12f/0xa40 [ 4456.900726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.900726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.900726][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.900726][ T73] netlink_unicast+0x449/0x710 [ 4456.900726][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.900726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.900726][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.900726][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.900726][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.900726][ T73] [ 4456.902671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.902671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4456.902671][ T73] ipv6_find_idev+0x102/0x170 [ 4456.902671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.902671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.902671][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.902671][ T73] netlink_unicast+0x449/0x710 [ 4456.902671][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.902671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.902671][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.902671][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.902671][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.902671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.902671][ T73] [ 4456.904198][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4456.904198][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4456.904198][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4456.904198][ T73] ipv6_find_idev+0x102/0x170 [ 4456.904198][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.904198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.904198][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.904198][ T73] netlink_unicast+0x449/0x710 [ 4456.904198][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.904198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.904198][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.904198][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.904198][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.904198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.904198][ T73] [ 4456.906003][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4456.906281][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.906281][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4456.906281][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4456.906281][ T73] fib6_nh_init+0xa22/0x1580 [ 4456.906281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.906281][ T73] ip6_route_add+0x1c/0x140 [ 4456.906281][ T73] inet6_rtm_newroute+0x104/0x110 [ 4456.906281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.906281][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.906281][ T73] netlink_unicast+0x449/0x710 [ 4456.906281][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.906281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.906281][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.906281][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.906281][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.906281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.906281][ T73] [ 4456.908444][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.908444][ T73] dst_init+0x84/0x4a0 [ 4456.908444][ T73] dst_alloc+0x97/0x150 [ 4456.908444][ T73] ip6_dst_alloc+0x23/0x90 [ 4456.908444][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4456.908444][ T73] ip6_pol_route+0x56f/0x840 [ 4456.908444][ T73] fib6_rule_lookup+0x456/0x630 [ 4456.908444][ T73] ip6_route_input+0x59c/0xa50 [ 4456.908444][ T73] ipv6_rcv+0x397/0x810 [ 4456.908444][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4456.908444][ T73] process_backlog+0x101/0x620 [ 4456.908444][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4456.908444][ T73] net_rx_action+0x495/0xbe0 [ 4456.908444][ T73] __do_softirq+0x1b5/0x7f6 [ 4456.908444][ T73] [ 4456.910268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.910268][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.910268][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.910268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.910268][ T73] ip6_route_add+0x1c/0x140 [ 4456.910268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4456.910268][ T73] inet6_addr_add+0x4f8/0xa40 [ 4456.910268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.910268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.910268][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.910268][ T73] netlink_unicast+0x449/0x710 [ 4456.910268][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.910268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.910268][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.910268][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.910268][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.910268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.910268][ T73] [ 4456.912492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.912492][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.912492][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.912492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.912492][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4456.912492][ T73] ipv6_add_addr+0x411/0x2000 [ 4456.912492][ T73] inet6_addr_add+0x30e/0xa40 [ 4456.912492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.912492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.912492][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.912492][ T73] netlink_unicast+0x449/0x710 [ 4456.912492][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.912492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.912492][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.912492][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.912492][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.912492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.912492][ T73] [ 4456.914716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.914716][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.914716][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.914716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.914716][ T73] ip6_route_add+0x1c/0x140 [ 4456.914716][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4456.914716][ T73] addrconf_add_dev+0xe2/0x170 [ 4456.914716][ T73] inet6_addr_add+0x12f/0xa40 [ 4456.914716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.914716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.914716][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.914716][ T73] netlink_unicast+0x449/0x710 [ 4456.914716][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.914716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.914716][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.914716][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.914716][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.914716][ T73] [ 4456.916906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.916906][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4456.916906][ T73] ipv6_find_idev+0x102/0x170 [ 4456.916906][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.916906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.916906][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.916906][ T73] netlink_unicast+0x449/0x710 [ 4456.916906][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.916906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.916906][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.916906][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.916906][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.916906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.916906][ T73] [ 4456.918611][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4456.918611][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4456.918611][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4456.918611][ T73] ipv6_find_idev+0x102/0x170 [ 4456.918611][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.918611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.918611][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.918611][ T73] netlink_unicast+0x449/0x710 [ 4456.918611][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.918611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.918611][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.918611][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.918611][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.918611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.918611][ T73] [ 4456.920530][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4456.920798][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4456.920798][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.920798][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.920798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.920798][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4456.920798][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4456.920798][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4456.920798][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4456.920798][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4456.920798][ T73] addrconf_dad_begin+0x310/0x670 [ 4456.920798][ T73] addrconf_dad_work+0x10b/0xab0 [ 4456.920798][ T73] process_one_work+0x84d/0x18a0 [ 4456.920798][ T73] worker_thread+0x587/0xd30 [ 4456.920798][ T73] kthread+0x28a/0x350 [ 4456.920798][ T73] ret_from_fork+0x31/0x70 [ 4456.920798][ T73] ret_from_fork_asm+0x1a/0x30 [ 4456.920798][ T73] [ 4456.922931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4456.922931][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.922931][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.922931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.922931][ T73] ip6_route_add+0x1c/0x140 [ 4456.922931][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4456.922931][ T73] inet6_addr_add+0x4f8/0xa40 [ 4456.922931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.922931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.922931][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.922931][ T73] netlink_unicast+0x449/0x710 [ 4456.922931][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.922931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.922931][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.922931][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.922931][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.922931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.922931][ T73] [ 4456.925165][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4456.925165][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.925165][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.925165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.925165][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4456.925165][ T73] ipv6_add_addr+0x411/0x2000 [ 4456.925165][ T73] inet6_addr_add+0x30e/0xa40 [ 4456.925165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.925165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.925165][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.925165][ T73] netlink_unicast+0x449/0x710 [ 4456.925165][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.925165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.925165][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.925165][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.925165][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.925165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.925165][ T73] [ 4456.927399][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4456.927399][ T73] netdev_get_by_index+0x5e/0x80 [ 4456.927399][ T73] fib6_nh_init+0x3d8/0x1580 [ 4456.927399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4456.927399][ T73] ip6_route_add+0x1c/0x140 [ 4456.927399][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4456.927399][ T73] addrconf_add_dev+0xe2/0x170 [ 4456.927399][ T73] inet6_addr_add+0x12f/0xa40 [ 4456.927399][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4456.927399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.927399][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.927399][ T73] netlink_unicast+0x449/0x710 [ 4456.927399][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.927399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.927399][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.927399][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.927399][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.927399][ T73] [ 4456.929598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4456.929598][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4456.929598][ T73] ipv6_find_idev+0x102/0x170 [ 4456.929598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.929598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.929598][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.929598][ T73] netlink_unicast+0x449/0x710 [ 4456.929598][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.929598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.929598][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.929598][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.929598][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.929598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.929598][ T73] [ 4456.931418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4456.931418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4456.931418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4456.931418][ T73] ipv6_find_idev+0x102/0x170 [ 4456.931418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4456.931418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4456.931418][ T73] netlink_rcv_skb+0x130/0x360 [ 4456.931418][ T73] netlink_unicast+0x449/0x710 [ 4456.931418][ T73] netlink_sendmsg+0x723/0xbe0 [ 4456.931418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4456.931418][ T73] ___sys_sendmsg+0xee/0x170 [ 4456.931418][ T73] __sys_sendmsg+0xcd/0x170 [ 4456.931418][ T73] do_syscall_64+0xc6/0x1e0 [ 4456.931418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4456.931418][ T73] [ 4467.174928][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4467.175392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.175392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4467.175392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4467.175392][ T73] fib6_nh_init+0xa22/0x1580 [ 4467.175392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.175392][ T73] ip6_route_add+0x1c/0x140 [ 4467.175392][ T73] inet6_rtm_newroute+0x104/0x110 [ 4467.175392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.175392][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.175392][ T73] netlink_unicast+0x449/0x710 [ 4467.175392][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.175392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.175392][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.175392][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.175392][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.175392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.175392][ T73] [ 4467.177291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.177291][ T73] dst_init+0x84/0x4a0 [ 4467.177291][ T73] dst_alloc+0x97/0x150 [ 4467.177291][ T73] ip6_dst_alloc+0x23/0x90 [ 4467.177291][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4467.177291][ T73] ip6_pol_route+0x56f/0x840 [ 4467.177291][ T73] fib6_rule_lookup+0x456/0x630 [ 4467.177291][ T73] ip6_route_input+0x59c/0xa50 [ 4467.177291][ T73] ipv6_rcv+0x397/0x810 [ 4467.177291][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4467.177291][ T73] process_backlog+0x101/0x620 [ 4467.177291][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4467.177291][ T73] net_rx_action+0x495/0xbe0 [ 4467.177291][ T73] __do_softirq+0x1b5/0x7f6 [ 4467.177291][ T73] [ 4467.178919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.178919][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.178919][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.178919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.178919][ T73] ip6_route_add+0x1c/0x140 [ 4467.178919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4467.178919][ T73] inet6_addr_add+0x4f8/0xa40 [ 4467.178919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.178919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.178919][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.178919][ T73] netlink_unicast+0x449/0x710 [ 4467.178919][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.178919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.178919][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.178919][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.178919][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.178919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.178919][ T73] [ 4467.180919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.180919][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.180919][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.180919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.180919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4467.180919][ T73] ipv6_add_addr+0x411/0x2000 [ 4467.180919][ T73] inet6_addr_add+0x30e/0xa40 [ 4467.180919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.180919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.180919][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.180919][ T73] netlink_unicast+0x449/0x710 [ 4467.180919][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.180919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.180919][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.180919][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.180919][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.180919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.180919][ T73] [ 4467.182901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.182901][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.182901][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.182901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.182901][ T73] ip6_route_add+0x1c/0x140 [ 4467.182901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4467.182901][ T73] addrconf_add_dev+0xe2/0x170 [ 4467.182901][ T73] inet6_addr_add+0x12f/0xa40 [ 4467.182901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.182901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.182901][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.182901][ T73] netlink_unicast+0x449/0x710 [ 4467.182901][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.182901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.182901][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.182901][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.182901][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.182901][ T73] [ 4467.184858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.184858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4467.184858][ T73] ipv6_find_idev+0x102/0x170 [ 4467.184858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.184858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.184858][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.184858][ T73] netlink_unicast+0x449/0x710 [ 4467.184858][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.184858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.184858][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.184858][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.184858][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.184858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.184858][ T73] [ 4467.186390][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4467.186390][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4467.186390][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4467.186390][ T73] ipv6_find_idev+0x102/0x170 [ 4467.186390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.186390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.186390][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.186390][ T73] netlink_unicast+0x449/0x710 [ 4467.186390][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.186390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.186390][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.186390][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.186390][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.186390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.186390][ T73] [ 4467.188073][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4467.188348][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.188348][ T73] dst_init+0x84/0x4a0 [ 4467.188348][ T73] dst_alloc+0x97/0x150 [ 4467.188348][ T73] ip6_dst_alloc+0x23/0x90 [ 4467.188348][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4467.188348][ T73] ip6_pol_route+0x56f/0x840 [ 4467.188348][ T73] fib6_rule_lookup+0x456/0x630 [ 4467.188348][ T73] ip6_route_input+0x59c/0xa50 [ 4467.188348][ T73] ipv6_rcv+0x397/0x810 [ 4467.188348][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4467.188348][ T73] process_backlog+0x101/0x620 [ 4467.188348][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4467.188348][ T73] net_rx_action+0x495/0xbe0 [ 4467.188348][ T73] __do_softirq+0x1b5/0x7f6 [ 4467.188348][ T73] [ 4467.189981][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.189981][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.189981][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.189981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.189981][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4467.189981][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4467.189981][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4467.189981][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4467.189981][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4467.189981][ T73] addrconf_dad_begin+0x310/0x670 [ 4467.189981][ T73] addrconf_dad_work+0x10b/0xab0 [ 4467.189981][ T73] process_one_work+0x84d/0x18a0 [ 4467.189981][ T73] worker_thread+0x587/0xd30 [ 4467.189981][ T73] kthread+0x28a/0x350 [ 4467.189981][ T73] ret_from_fork+0x31/0x70 [ 4467.189981][ T73] ret_from_fork_asm+0x1a/0x30 [ 4467.189981][ T73] [ 4467.191877][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.191877][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.191877][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.191877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.191877][ T73] ip6_route_add+0x1c/0x140 [ 4467.191877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4467.191877][ T73] inet6_addr_add+0x4f8/0xa40 [ 4467.191877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.191877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.191877][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.191877][ T73] netlink_unicast+0x449/0x710 [ 4467.191877][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.191877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.191877][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.191877][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.191877][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.191877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.191877][ T73] [ 4467.193859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.193859][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.193859][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.193859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.193859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4467.193859][ T73] ipv6_add_addr+0x411/0x2000 [ 4467.193859][ T73] inet6_addr_add+0x30e/0xa40 [ 4467.193859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.193859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.193859][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.193859][ T73] netlink_unicast+0x449/0x710 [ 4467.193859][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.193859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.193859][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.193859][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.193859][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.193859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.193859][ T73] [ 4467.195852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.195852][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.195852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.195852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.195852][ T73] ip6_route_add+0x1c/0x140 [ 4467.195852][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4467.195852][ T73] addrconf_add_dev+0xe2/0x170 [ 4467.195852][ T73] inet6_addr_add+0x12f/0xa40 [ 4467.195852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.195852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.195852][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.195852][ T73] netlink_unicast+0x449/0x710 [ 4467.195852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.195852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.195852][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.195852][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.195852][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.195852][ T73] [ 4467.197797][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.197797][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4467.197797][ T73] ipv6_find_idev+0x102/0x170 [ 4467.197797][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.197797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.197797][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.197797][ T73] netlink_unicast+0x449/0x710 [ 4467.197797][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.197797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.197797][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.197797][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.197797][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.197797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.197797][ T73] [ 4467.199324][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4467.199324][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4467.199324][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4467.199324][ T73] ipv6_find_idev+0x102/0x170 [ 4467.199324][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.199324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.199324][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.199324][ T73] netlink_unicast+0x449/0x710 [ 4467.199324][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.199324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.199324][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.199324][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.199324][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.199324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.199324][ T73] [ 4467.201114][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4467.201434][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.201434][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4467.201434][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4467.201434][ T73] fib6_nh_init+0xa22/0x1580 [ 4467.201434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.201434][ T73] ip6_route_add+0x1c/0x140 [ 4467.201434][ T73] inet6_rtm_newroute+0x104/0x110 [ 4467.201434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.201434][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.201434][ T73] netlink_unicast+0x449/0x710 [ 4467.201434][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.201434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.201434][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.201434][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.201434][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.201434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.201434][ T73] [ 4467.203537][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.203537][ T73] dst_init+0x84/0x4a0 [ 4467.203537][ T73] dst_alloc+0x97/0x150 [ 4467.203537][ T73] ip6_dst_alloc+0x23/0x90 [ 4467.203537][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4467.203537][ T73] ip6_pol_route+0x56f/0x840 [ 4467.203537][ T73] fib6_rule_lookup+0x456/0x630 [ 4467.203537][ T73] ip6_route_input+0x59c/0xa50 [ 4467.203537][ T73] ipv6_rcv+0x397/0x810 [ 4467.203537][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4467.203537][ T73] process_backlog+0x101/0x620 [ 4467.203537][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4467.203537][ T73] net_rx_action+0x495/0xbe0 [ 4467.203537][ T73] __do_softirq+0x1b5/0x7f6 [ 4467.203537][ T73] [ 4467.205339][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.205339][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.205339][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.205339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.205339][ T73] ip6_route_add+0x1c/0x140 [ 4467.205339][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4467.205339][ T73] inet6_addr_add+0x4f8/0xa40 [ 4467.205339][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.205339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.205339][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.205339][ T73] netlink_unicast+0x449/0x710 [ 4467.205339][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.205339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.205339][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.205339][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.205339][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.205339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.205339][ T73] [ 4467.207569][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.207569][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.207569][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.207569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.207569][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4467.207569][ T73] ipv6_add_addr+0x411/0x2000 [ 4467.207569][ T73] inet6_addr_add+0x30e/0xa40 [ 4467.207569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.207569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.207569][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.207569][ T73] netlink_unicast+0x449/0x710 [ 4467.207569][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.207569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.207569][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.207569][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.207569][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.207569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.207569][ T73] [ 4467.209790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.209790][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.209790][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.209790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.209790][ T73] ip6_route_add+0x1c/0x140 [ 4467.209790][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4467.209790][ T73] addrconf_add_dev+0xe2/0x170 [ 4467.209790][ T73] inet6_addr_add+0x12f/0xa40 [ 4467.209790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.209790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.209790][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.209790][ T73] netlink_unicast+0x449/0x710 [ 4467.209790][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.209790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.209790][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.209790][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.209790][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.209790][ T73] [ 4467.212036][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.212036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4467.212036][ T73] ipv6_find_idev+0x102/0x170 [ 4467.212036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.212036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.212036][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.212036][ T73] netlink_unicast+0x449/0x710 [ 4467.212036][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.212036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.212036][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.212036][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.212036][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.212036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.212036][ T73] [ 4467.213772][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4467.213772][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4467.213772][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4467.213772][ T73] ipv6_find_idev+0x102/0x170 [ 4467.213772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.213772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.213772][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.213772][ T73] netlink_unicast+0x449/0x710 [ 4467.213772][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.213772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.213772][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.213772][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.213772][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.213772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.213772][ T73] [ 4467.215622][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4467.215896][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4467.215896][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.215896][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.215896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.215896][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4467.215896][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4467.215896][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4467.215896][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4467.215896][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4467.215896][ T73] addrconf_dad_begin+0x310/0x670 [ 4467.215896][ T73] addrconf_dad_work+0x10b/0xab0 [ 4467.215896][ T73] process_one_work+0x84d/0x18a0 [ 4467.215896][ T73] worker_thread+0x587/0xd30 [ 4467.215896][ T73] kthread+0x28a/0x350 [ 4467.215896][ T73] ret_from_fork+0x31/0x70 [ 4467.215896][ T73] ret_from_fork_asm+0x1a/0x30 [ 4467.215896][ T73] [ 4467.218033][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4467.218033][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.218033][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.218033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.218033][ T73] ip6_route_add+0x1c/0x140 [ 4467.218033][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4467.218033][ T73] inet6_addr_add+0x4f8/0xa40 [ 4467.218033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.218033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.218033][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.218033][ T73] netlink_unicast+0x449/0x710 [ 4467.218033][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.218033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.218033][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.218033][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.218033][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.218033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.218033][ T73] [ 4467.220270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4467.220270][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.220270][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.220270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.220270][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4467.220270][ T73] ipv6_add_addr+0x411/0x2000 [ 4467.220270][ T73] inet6_addr_add+0x30e/0xa40 [ 4467.220270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.220270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.220270][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.220270][ T73] netlink_unicast+0x449/0x710 [ 4467.220270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.220270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.220270][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.220270][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.220270][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.220270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.220270][ T73] [ 4467.222552][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4467.222552][ T73] netdev_get_by_index+0x5e/0x80 [ 4467.222552][ T73] fib6_nh_init+0x3d8/0x1580 [ 4467.222552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4467.222552][ T73] ip6_route_add+0x1c/0x140 [ 4467.222552][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4467.222552][ T73] addrconf_add_dev+0xe2/0x170 [ 4467.222552][ T73] inet6_addr_add+0x12f/0xa40 [ 4467.222552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.222552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.222552][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.222552][ T73] netlink_unicast+0x449/0x710 [ 4467.222552][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.222552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.222552][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.222552][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.222552][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.222552][ T73] [ 4467.224671][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4467.224671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4467.224671][ T73] ipv6_find_idev+0x102/0x170 [ 4467.224671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.224671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.224671][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.224671][ T73] netlink_unicast+0x449/0x710 [ 4467.224671][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.224671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.224671][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.224671][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.224671][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.224671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.224671][ T73] [ 4467.226375][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4467.226375][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4467.226375][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4467.226375][ T73] ipv6_find_idev+0x102/0x170 [ 4467.226375][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.226375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.226375][ T73] netlink_rcv_skb+0x130/0x360 [ 4467.226375][ T73] netlink_unicast+0x449/0x710 [ 4467.226375][ T73] netlink_sendmsg+0x723/0xbe0 [ 4467.226375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4467.226375][ T73] ___sys_sendmsg+0xee/0x170 [ 4467.226375][ T73] __sys_sendmsg+0xcd/0x170 [ 4467.226375][ T73] do_syscall_64+0xc6/0x1e0 [ 4467.226375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.226375][ T73] [ 4477.470905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4477.471359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.471359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4477.471359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4477.471359][ T73] fib6_nh_init+0xa22/0x1580 [ 4477.471359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.471359][ T73] ip6_route_add+0x1c/0x140 [ 4477.471359][ T73] inet6_rtm_newroute+0x104/0x110 [ 4477.471359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.471359][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.471359][ T73] netlink_unicast+0x449/0x710 [ 4477.471359][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.471359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.471359][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.471359][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.471359][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.471359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.471359][ T73] [ 4477.473244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.473244][ T73] dst_init+0x84/0x4a0 [ 4477.473244][ T73] dst_alloc+0x97/0x150 [ 4477.473244][ T73] ip6_dst_alloc+0x23/0x90 [ 4477.473244][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4477.473244][ T73] ip6_pol_route+0x56f/0x840 [ 4477.473244][ T73] fib6_rule_lookup+0x456/0x630 [ 4477.473244][ T73] ip6_route_input+0x59c/0xa50 [ 4477.473244][ T73] ipv6_rcv+0x397/0x810 [ 4477.473244][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4477.473244][ T73] process_backlog+0x101/0x620 [ 4477.473244][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4477.473244][ T73] net_rx_action+0x495/0xbe0 [ 4477.473244][ T73] __do_softirq+0x1b5/0x7f6 [ 4477.473244][ T73] [ 4477.474878][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.474878][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.474878][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.474878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.474878][ T73] ip6_route_add+0x1c/0x140 [ 4477.474878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4477.474878][ T73] inet6_addr_add+0x4f8/0xa40 [ 4477.474878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.474878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.474878][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.474878][ T73] netlink_unicast+0x449/0x710 [ 4477.474878][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.474878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.474878][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.474878][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.474878][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.474878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.474878][ T73] [ 4477.477389][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.477389][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.477389][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.477389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.477389][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4477.477389][ T73] ipv6_add_addr+0x411/0x2000 [ 4477.477389][ T73] inet6_addr_add+0x30e/0xa40 [ 4477.477389][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.477389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.477389][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.477389][ T73] netlink_unicast+0x449/0x710 [ 4477.477389][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.477389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.477389][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.477389][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.477389][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.477389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.477389][ T73] [ 4477.479371][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.479371][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.479371][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.479371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.479371][ T73] ip6_route_add+0x1c/0x140 [ 4477.479371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4477.479371][ T73] addrconf_add_dev+0xe2/0x170 [ 4477.479371][ T73] inet6_addr_add+0x12f/0xa40 [ 4477.479371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.479371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.479371][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.479371][ T73] netlink_unicast+0x449/0x710 [ 4477.479371][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.479371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.479371][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.479371][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.479371][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.479371][ T73] [ 4477.481336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.481336][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4477.481336][ T73] ipv6_find_idev+0x102/0x170 [ 4477.481336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.481336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.481336][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.481336][ T73] netlink_unicast+0x449/0x710 [ 4477.481336][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.481336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.481336][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.481336][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.481336][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.481336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.481336][ T73] [ 4477.482865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4477.482865][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4477.482865][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4477.482865][ T73] ipv6_find_idev+0x102/0x170 [ 4477.482865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.482865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.482865][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.482865][ T73] netlink_unicast+0x449/0x710 [ 4477.482865][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.482865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.482865][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.482865][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.482865][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.482865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.482865][ T73] [ 4477.484537][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4477.484813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.484813][ T73] dst_init+0x84/0x4a0 [ 4477.484813][ T73] dst_alloc+0x97/0x150 [ 4477.484813][ T73] ip6_dst_alloc+0x23/0x90 [ 4477.484813][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4477.484813][ T73] ip6_pol_route+0x56f/0x840 [ 4477.484813][ T73] fib6_rule_lookup+0x456/0x630 [ 4477.484813][ T73] ip6_route_input+0x59c/0xa50 [ 4477.484813][ T73] ipv6_rcv+0x397/0x810 [ 4477.484813][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4477.484813][ T73] process_backlog+0x101/0x620 [ 4477.484813][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4477.484813][ T73] net_rx_action+0x495/0xbe0 [ 4477.484813][ T73] __do_softirq+0x1b5/0x7f6 [ 4477.484813][ T73] [ 4477.486440][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.486440][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.486440][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.486440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.486440][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4477.486440][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4477.486440][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4477.486440][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4477.486440][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4477.486440][ T73] addrconf_dad_begin+0x310/0x670 [ 4477.486440][ T73] addrconf_dad_work+0x10b/0xab0 [ 4477.486440][ T73] process_one_work+0x84d/0x18a0 [ 4477.486440][ T73] worker_thread+0x587/0xd30 [ 4477.486440][ T73] kthread+0x28a/0x350 [ 4477.486440][ T73] ret_from_fork+0x31/0x70 [ 4477.486440][ T73] ret_from_fork_asm+0x1a/0x30 [ 4477.486440][ T73] [ 4477.488723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.488723][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.488723][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.488723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.488723][ T73] ip6_route_add+0x1c/0x140 [ 4477.488723][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4477.488723][ T73] inet6_addr_add+0x4f8/0xa40 [ 4477.488723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.488723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.488723][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.488723][ T73] netlink_unicast+0x449/0x710 [ 4477.488723][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.488723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.488723][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.488723][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.488723][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.488723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.488723][ T73] [ 4477.490713][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.490713][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.490713][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.490713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.490713][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4477.490713][ T73] ipv6_add_addr+0x411/0x2000 [ 4477.490713][ T73] inet6_addr_add+0x30e/0xa40 [ 4477.490713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.490713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.490713][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.490713][ T73] netlink_unicast+0x449/0x710 [ 4477.490713][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.490713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.490713][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.490713][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.490713][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.490713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.490713][ T73] [ 4477.492696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.492696][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.492696][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.492696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.492696][ T73] ip6_route_add+0x1c/0x140 [ 4477.492696][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4477.492696][ T73] addrconf_add_dev+0xe2/0x170 [ 4477.492696][ T73] inet6_addr_add+0x12f/0xa40 [ 4477.492696][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.492696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.492696][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.492696][ T73] netlink_unicast+0x449/0x710 [ 4477.492696][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.492696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.492696][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.492696][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.492696][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.492696][ T73] [ 4477.494650][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.494650][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4477.494650][ T73] ipv6_find_idev+0x102/0x170 [ 4477.494650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.494650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.494650][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.494650][ T73] netlink_unicast+0x449/0x710 [ 4477.494650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.494650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.494650][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.494650][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.494650][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.494650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.494650][ T73] [ 4477.496175][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4477.496175][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4477.496175][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4477.496175][ T73] ipv6_find_idev+0x102/0x170 [ 4477.496175][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.496175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.496175][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.496175][ T73] netlink_unicast+0x449/0x710 [ 4477.496175][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.496175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.496175][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.496175][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.496175][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.496175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.496175][ T73] [ 4477.497971][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4477.498295][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.498295][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4477.498295][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4477.498295][ T73] fib6_nh_init+0xa22/0x1580 [ 4477.498295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.498295][ T73] ip6_route_add+0x1c/0x140 [ 4477.498295][ T73] inet6_rtm_newroute+0x104/0x110 [ 4477.498295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.498295][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.498295][ T73] netlink_unicast+0x449/0x710 [ 4477.498295][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.498295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.498295][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.498295][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.498295][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.498295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.498295][ T73] [ 4477.500349][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.500349][ T73] dst_init+0x84/0x4a0 [ 4477.500349][ T73] dst_alloc+0x97/0x150 [ 4477.500349][ T73] ip6_dst_alloc+0x23/0x90 [ 4477.500349][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4477.500349][ T73] ip6_pol_route+0x56f/0x840 [ 4477.500349][ T73] fib6_rule_lookup+0x456/0x630 [ 4477.500349][ T73] ip6_route_input+0x59c/0xa50 [ 4477.500349][ T73] ipv6_rcv+0x397/0x810 [ 4477.500349][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4477.500349][ T73] process_backlog+0x101/0x620 [ 4477.500349][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4477.500349][ T73] net_rx_action+0x495/0xbe0 [ 4477.500349][ T73] __do_softirq+0x1b5/0x7f6 [ 4477.500349][ T73] [ 4477.502146][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.502146][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.502146][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.502146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.502146][ T73] ip6_route_add+0x1c/0x140 [ 4477.502146][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4477.502146][ T73] inet6_addr_add+0x4f8/0xa40 [ 4477.502146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.502146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.502146][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.502146][ T73] netlink_unicast+0x449/0x710 [ 4477.502146][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.502146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.502146][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.502146][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.502146][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.502146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.502146][ T73] [ 4477.504431][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.504431][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.504431][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.504431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.504431][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4477.504431][ T73] ipv6_add_addr+0x411/0x2000 [ 4477.504431][ T73] inet6_addr_add+0x30e/0xa40 [ 4477.504431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.504431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.504431][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.504431][ T73] netlink_unicast+0x449/0x710 [ 4477.504431][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.504431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.504431][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.504431][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.504431][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.504431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.504431][ T73] [ 4477.506598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.506598][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.506598][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.506598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.506598][ T73] ip6_route_add+0x1c/0x140 [ 4477.506598][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4477.506598][ T73] addrconf_add_dev+0xe2/0x170 [ 4477.506598][ T73] inet6_addr_add+0x12f/0xa40 [ 4477.506598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.506598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.506598][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.506598][ T73] netlink_unicast+0x449/0x710 [ 4477.506598][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.506598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.506598][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.506598][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.506598][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.506598][ T73] [ 4477.508797][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.508797][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4477.508797][ T73] ipv6_find_idev+0x102/0x170 [ 4477.508797][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.508797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.508797][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.508797][ T73] netlink_unicast+0x449/0x710 [ 4477.508797][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.508797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.508797][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.508797][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.508797][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.508797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.508797][ T73] [ 4477.510510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4477.510510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4477.510510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4477.510510][ T73] ipv6_find_idev+0x102/0x170 [ 4477.510510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.510510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.510510][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.510510][ T73] netlink_unicast+0x449/0x710 [ 4477.510510][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.510510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.510510][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.510510][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.510510][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.510510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.510510][ T73] [ 4477.512419][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4477.512685][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4477.512685][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.512685][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.512685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.512685][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4477.512685][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4477.512685][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4477.512685][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4477.512685][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4477.512685][ T73] addrconf_dad_begin+0x310/0x670 [ 4477.512685][ T73] addrconf_dad_work+0x10b/0xab0 [ 4477.512685][ T73] process_one_work+0x84d/0x18a0 [ 4477.512685][ T73] worker_thread+0x587/0xd30 [ 4477.512685][ T73] kthread+0x28a/0x350 [ 4477.512685][ T73] ret_from_fork+0x31/0x70 [ 4477.512685][ T73] ret_from_fork_asm+0x1a/0x30 [ 4477.512685][ T73] [ 4477.514837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4477.514837][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.514837][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.514837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.514837][ T73] ip6_route_add+0x1c/0x140 [ 4477.514837][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4477.514837][ T73] inet6_addr_add+0x4f8/0xa40 [ 4477.514837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.514837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.514837][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.514837][ T73] netlink_unicast+0x449/0x710 [ 4477.514837][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.514837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.514837][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.514837][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.514837][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.514837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.514837][ T73] [ 4477.517062][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4477.517062][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.517062][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.517062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.517062][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4477.517062][ T73] ipv6_add_addr+0x411/0x2000 [ 4477.517062][ T73] inet6_addr_add+0x30e/0xa40 [ 4477.517062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.517062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.517062][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.517062][ T73] netlink_unicast+0x449/0x710 [ 4477.517062][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.517062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.517062][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.517062][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.517062][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.517062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.517062][ T73] [ 4477.519290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4477.519290][ T73] netdev_get_by_index+0x5e/0x80 [ 4477.519290][ T73] fib6_nh_init+0x3d8/0x1580 [ 4477.519290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4477.519290][ T73] ip6_route_add+0x1c/0x140 [ 4477.519290][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4477.519290][ T73] addrconf_add_dev+0xe2/0x170 [ 4477.519290][ T73] inet6_addr_add+0x12f/0xa40 [ 4477.519290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4477.519290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.519290][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.519290][ T73] netlink_unicast+0x449/0x710 [ 4477.519290][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.519290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.519290][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.519290][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.519290][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.519290][ T73] [ 4477.521432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4477.521432][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4477.521432][ T73] ipv6_find_idev+0x102/0x170 [ 4477.521432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.521432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.521432][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.521432][ T73] netlink_unicast+0x449/0x710 [ 4477.521432][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.521432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.521432][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.521432][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.521432][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.521432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.521432][ T73] [ 4477.523197][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4477.523197][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4477.523197][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4477.523197][ T73] ipv6_find_idev+0x102/0x170 [ 4477.523197][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4477.523197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4477.523197][ T73] netlink_rcv_skb+0x130/0x360 [ 4477.523197][ T73] netlink_unicast+0x449/0x710 [ 4477.523197][ T73] netlink_sendmsg+0x723/0xbe0 [ 4477.523197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4477.523197][ T73] ___sys_sendmsg+0xee/0x170 [ 4477.523197][ T73] __sys_sendmsg+0xcd/0x170 [ 4477.523197][ T73] do_syscall_64+0xc6/0x1e0 [ 4477.523197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4477.523197][ T73] [ 4487.766854][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4487.767300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.767300][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4487.767300][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4487.767300][ T73] fib6_nh_init+0xa22/0x1580 [ 4487.767300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.767300][ T73] ip6_route_add+0x1c/0x140 [ 4487.767300][ T73] inet6_rtm_newroute+0x104/0x110 [ 4487.767300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.767300][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.767300][ T73] netlink_unicast+0x449/0x710 [ 4487.767300][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.767300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.767300][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.767300][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.767300][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.767300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.767300][ T73] [ 4487.769185][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.769185][ T73] dst_init+0x84/0x4a0 [ 4487.769185][ T73] dst_alloc+0x97/0x150 [ 4487.769185][ T73] ip6_dst_alloc+0x23/0x90 [ 4487.769185][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4487.769185][ T73] ip6_pol_route+0x56f/0x840 [ 4487.769185][ T73] fib6_rule_lookup+0x456/0x630 [ 4487.769185][ T73] ip6_route_input+0x59c/0xa50 [ 4487.769185][ T73] ipv6_rcv+0x397/0x810 [ 4487.769185][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4487.769185][ T73] process_backlog+0x101/0x620 [ 4487.769185][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4487.769185][ T73] net_rx_action+0x495/0xbe0 [ 4487.769185][ T73] __do_softirq+0x1b5/0x7f6 [ 4487.769185][ T73] [ 4487.771217][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.771217][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.771217][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.771217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.771217][ T73] ip6_route_add+0x1c/0x140 [ 4487.771217][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4487.771217][ T73] inet6_addr_add+0x4f8/0xa40 [ 4487.771217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.771217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.771217][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.771217][ T73] netlink_unicast+0x449/0x710 [ 4487.771217][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.771217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.771217][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.771217][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.771217][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.771217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.771217][ T73] [ 4487.773205][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.773205][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.773205][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.773205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.773205][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4487.773205][ T73] ipv6_add_addr+0x411/0x2000 [ 4487.773205][ T73] inet6_addr_add+0x30e/0xa40 [ 4487.773205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.773205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.773205][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.773205][ T73] netlink_unicast+0x449/0x710 [ 4487.773205][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.773205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.773205][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.773205][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.773205][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.773205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.773205][ T73] [ 4487.775194][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.775194][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.775194][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.775194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.775194][ T73] ip6_route_add+0x1c/0x140 [ 4487.775194][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4487.775194][ T73] addrconf_add_dev+0xe2/0x170 [ 4487.775194][ T73] inet6_addr_add+0x12f/0xa40 [ 4487.775194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.775194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.775194][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.775194][ T73] netlink_unicast+0x449/0x710 [ 4487.775194][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.775194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.775194][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.775194][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.775194][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.775194][ T73] [ 4487.777172][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.777172][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4487.777172][ T73] ipv6_find_idev+0x102/0x170 [ 4487.777172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.777172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.777172][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.777172][ T73] netlink_unicast+0x449/0x710 [ 4487.777172][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.777172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.777172][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.777172][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.777172][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.777172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.777172][ T73] [ 4487.778701][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4487.778701][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4487.778701][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4487.778701][ T73] ipv6_find_idev+0x102/0x170 [ 4487.778701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.778701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.778701][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.778701][ T73] netlink_unicast+0x449/0x710 [ 4487.778701][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.778701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.778701][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.778701][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.778701][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.778701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.778701][ T73] [ 4487.780394][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4487.780663][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.780663][ T73] dst_init+0x84/0x4a0 [ 4487.780663][ T73] dst_alloc+0x97/0x150 [ 4487.780663][ T73] ip6_dst_alloc+0x23/0x90 [ 4487.780663][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4487.780663][ T73] ip6_pol_route+0x56f/0x840 [ 4487.780663][ T73] fib6_rule_lookup+0x456/0x630 [ 4487.780663][ T73] ip6_route_input+0x59c/0xa50 [ 4487.780663][ T73] ipv6_rcv+0x397/0x810 [ 4487.780663][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4487.780663][ T73] process_backlog+0x101/0x620 [ 4487.780663][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4487.780663][ T73] net_rx_action+0x495/0xbe0 [ 4487.780663][ T73] __do_softirq+0x1b5/0x7f6 [ 4487.780663][ T73] [ 4487.782303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.782303][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.782303][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.782303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.782303][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4487.782303][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4487.782303][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4487.782303][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4487.782303][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4487.782303][ T73] addrconf_dad_begin+0x310/0x670 [ 4487.782303][ T73] addrconf_dad_work+0x10b/0xab0 [ 4487.782303][ T73] process_one_work+0x84d/0x18a0 [ 4487.782303][ T73] worker_thread+0x587/0xd30 [ 4487.782303][ T73] kthread+0x28a/0x350 [ 4487.782303][ T73] ret_from_fork+0x31/0x70 [ 4487.782303][ T73] ret_from_fork_asm+0x1a/0x30 [ 4487.782303][ T73] [ 4487.784200][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.784200][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.784200][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.784200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.784200][ T73] ip6_route_add+0x1c/0x140 [ 4487.784200][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4487.784200][ T73] inet6_addr_add+0x4f8/0xa40 [ 4487.784200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.784200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.784200][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.784200][ T73] netlink_unicast+0x449/0x710 [ 4487.784200][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.784200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.784200][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.784200][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.784200][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.784200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.784200][ T73] [ 4487.786189][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.786189][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.786189][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.786189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.786189][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4487.786189][ T73] ipv6_add_addr+0x411/0x2000 [ 4487.786189][ T73] inet6_addr_add+0x30e/0xa40 [ 4487.786189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.786189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.786189][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.786189][ T73] netlink_unicast+0x449/0x710 [ 4487.786189][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.786189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.786189][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.786189][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.786189][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.786189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.786189][ T73] [ 4487.788172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.788172][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.788172][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.788172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.788172][ T73] ip6_route_add+0x1c/0x140 [ 4487.788172][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4487.788172][ T73] addrconf_add_dev+0xe2/0x170 [ 4487.788172][ T73] inet6_addr_add+0x12f/0xa40 [ 4487.788172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.788172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.788172][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.788172][ T73] netlink_unicast+0x449/0x710 [ 4487.788172][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.788172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.788172][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.788172][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.788172][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.788172][ T73] [ 4487.790129][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.790129][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4487.790129][ T73] ipv6_find_idev+0x102/0x170 [ 4487.790129][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.790129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.790129][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.790129][ T73] netlink_unicast+0x449/0x710 [ 4487.790129][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.790129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.790129][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.790129][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.790129][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.790129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.790129][ T73] [ 4487.791660][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4487.791660][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4487.791660][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4487.791660][ T73] ipv6_find_idev+0x102/0x170 [ 4487.791660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.791660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.791660][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.791660][ T73] netlink_unicast+0x449/0x710 [ 4487.791660][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.791660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.791660][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.791660][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.791660][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.791660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.791660][ T73] [ 4487.793446][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4487.793716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.793716][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4487.793716][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4487.793716][ T73] fib6_nh_init+0xa22/0x1580 [ 4487.793716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.793716][ T73] ip6_route_add+0x1c/0x140 [ 4487.793716][ T73] inet6_rtm_newroute+0x104/0x110 [ 4487.793716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.793716][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.793716][ T73] netlink_unicast+0x449/0x710 [ 4487.793716][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.793716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.793716][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.793716][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.793716][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.793716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.793716][ T73] [ 4487.795830][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.795830][ T73] dst_init+0x84/0x4a0 [ 4487.795830][ T73] dst_alloc+0x97/0x150 [ 4487.795830][ T73] ip6_dst_alloc+0x23/0x90 [ 4487.795830][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4487.795830][ T73] ip6_pol_route+0x56f/0x840 [ 4487.795830][ T73] fib6_rule_lookup+0x456/0x630 [ 4487.795830][ T73] ip6_route_input+0x59c/0xa50 [ 4487.795830][ T73] ipv6_rcv+0x397/0x810 [ 4487.795830][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4487.795830][ T73] process_backlog+0x101/0x620 [ 4487.795830][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4487.795830][ T73] net_rx_action+0x495/0xbe0 [ 4487.795830][ T73] __do_softirq+0x1b5/0x7f6 [ 4487.795830][ T73] [ 4487.797634][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.797634][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.797634][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.797634][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.797634][ T73] ip6_route_add+0x1c/0x140 [ 4487.797634][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4487.797634][ T73] inet6_addr_add+0x4f8/0xa40 [ 4487.797634][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.797634][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.797634][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.797634][ T73] netlink_unicast+0x449/0x710 [ 4487.797634][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.797634][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.797634][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.797634][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.797634][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.797634][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.797634][ T73] [ 4487.799880][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.799880][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.799880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.799880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.799880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4487.799880][ T73] ipv6_add_addr+0x411/0x2000 [ 4487.799880][ T73] inet6_addr_add+0x30e/0xa40 [ 4487.799880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.799880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.799880][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.799880][ T73] netlink_unicast+0x449/0x710 [ 4487.799880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.799880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.799880][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.799880][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.799880][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.799880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.799880][ T73] [ 4487.802049][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.802049][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.802049][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.802049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.802049][ T73] ip6_route_add+0x1c/0x140 [ 4487.802049][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4487.802049][ T73] addrconf_add_dev+0xe2/0x170 [ 4487.802049][ T73] inet6_addr_add+0x12f/0xa40 [ 4487.802049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.802049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.802049][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.802049][ T73] netlink_unicast+0x449/0x710 [ 4487.802049][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.802049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.802049][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.802049][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.802049][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.802049][ T73] [ 4487.804305][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.804305][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4487.804305][ T73] ipv6_find_idev+0x102/0x170 [ 4487.804305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.804305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.804305][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.804305][ T73] netlink_unicast+0x449/0x710 [ 4487.804305][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.804305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.804305][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.804305][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.804305][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.804305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.804305][ T73] [ 4487.806014][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4487.806014][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4487.806014][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4487.806014][ T73] ipv6_find_idev+0x102/0x170 [ 4487.806014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.806014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.806014][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.806014][ T73] netlink_unicast+0x449/0x710 [ 4487.806014][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.806014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.806014][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.806014][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.806014][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.806014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.806014][ T73] [ 4487.807863][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4487.808196][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4487.808196][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.808196][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.808196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.808196][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4487.808196][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4487.808196][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4487.808196][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4487.808196][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4487.808196][ T73] addrconf_dad_begin+0x310/0x670 [ 4487.808196][ T73] addrconf_dad_work+0x10b/0xab0 [ 4487.808196][ T73] process_one_work+0x84d/0x18a0 [ 4487.808196][ T73] worker_thread+0x587/0xd30 [ 4487.808196][ T73] kthread+0x28a/0x350 [ 4487.808196][ T73] ret_from_fork+0x31/0x70 [ 4487.808196][ T73] ret_from_fork_asm+0x1a/0x30 [ 4487.808196][ T73] [ 4487.810209][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4487.810209][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.810209][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.810209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.810209][ T73] ip6_route_add+0x1c/0x140 [ 4487.810209][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4487.810209][ T73] inet6_addr_add+0x4f8/0xa40 [ 4487.810209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.810209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.810209][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.810209][ T73] netlink_unicast+0x449/0x710 [ 4487.810209][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.810209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.810209][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.810209][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.810209][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.810209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.810209][ T73] [ 4487.812497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4487.812497][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.812497][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.812497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.812497][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4487.812497][ T73] ipv6_add_addr+0x411/0x2000 [ 4487.812497][ T73] inet6_addr_add+0x30e/0xa40 [ 4487.812497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.812497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.812497][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.812497][ T73] netlink_unicast+0x449/0x710 [ 4487.812497][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.812497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.812497][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.812497][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.812497][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.812497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.812497][ T73] [ 4487.814721][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4487.814721][ T73] netdev_get_by_index+0x5e/0x80 [ 4487.814721][ T73] fib6_nh_init+0x3d8/0x1580 [ 4487.814721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4487.814721][ T73] ip6_route_add+0x1c/0x140 [ 4487.814721][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4487.814721][ T73] addrconf_add_dev+0xe2/0x170 [ 4487.814721][ T73] inet6_addr_add+0x12f/0xa40 [ 4487.814721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4487.814721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.814721][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.814721][ T73] netlink_unicast+0x449/0x710 [ 4487.814721][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.814721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.814721][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.814721][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.814721][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.814721][ T73] [ 4487.816916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4487.816916][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4487.816916][ T73] ipv6_find_idev+0x102/0x170 [ 4487.816916][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.816916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.816916][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.816916][ T73] netlink_unicast+0x449/0x710 [ 4487.816916][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.816916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.816916][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.816916][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.816916][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.816916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.816916][ T73] [ 4487.818627][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4487.818627][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4487.818627][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4487.818627][ T73] ipv6_find_idev+0x102/0x170 [ 4487.818627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4487.818627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4487.818627][ T73] netlink_rcv_skb+0x130/0x360 [ 4487.818627][ T73] netlink_unicast+0x449/0x710 [ 4487.818627][ T73] netlink_sendmsg+0x723/0xbe0 [ 4487.818627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4487.818627][ T73] ___sys_sendmsg+0xee/0x170 [ 4487.818627][ T73] __sys_sendmsg+0xcd/0x170 [ 4487.818627][ T73] do_syscall_64+0xc6/0x1e0 [ 4487.818627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4487.818627][ T73] [ 4498.062905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4498.063348][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.063348][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4498.063348][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4498.063348][ T73] fib6_nh_init+0xa22/0x1580 [ 4498.063348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.063348][ T73] ip6_route_add+0x1c/0x140 [ 4498.063348][ T73] inet6_rtm_newroute+0x104/0x110 [ 4498.063348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.063348][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.063348][ T73] netlink_unicast+0x449/0x710 [ 4498.063348][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.063348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.063348][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.063348][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.063348][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.063348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.063348][ T73] [ 4498.065243][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.065243][ T73] dst_init+0x84/0x4a0 [ 4498.065243][ T73] dst_alloc+0x97/0x150 [ 4498.065243][ T73] ip6_dst_alloc+0x23/0x90 [ 4498.065243][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4498.065243][ T73] ip6_pol_route+0x56f/0x840 [ 4498.065243][ T73] fib6_rule_lookup+0x456/0x630 [ 4498.065243][ T73] ip6_route_input+0x59c/0xa50 [ 4498.065243][ T73] ipv6_rcv+0x397/0x810 [ 4498.065243][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4498.065243][ T73] process_backlog+0x101/0x620 [ 4498.065243][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4498.065243][ T73] net_rx_action+0x495/0xbe0 [ 4498.065243][ T73] __do_softirq+0x1b5/0x7f6 [ 4498.065243][ T73] [ 4498.066875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.066875][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.066875][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.066875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.066875][ T73] ip6_route_add+0x1c/0x140 [ 4498.066875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4498.066875][ T73] inet6_addr_add+0x4f8/0xa40 [ 4498.066875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.066875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.066875][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.066875][ T73] netlink_unicast+0x449/0x710 [ 4498.066875][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.066875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.066875][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.066875][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.066875][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.066875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.066875][ T73] [ 4498.068860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.068860][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.068860][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.068860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.068860][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4498.068860][ T73] ipv6_add_addr+0x411/0x2000 [ 4498.068860][ T73] inet6_addr_add+0x30e/0xa40 [ 4498.068860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.068860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.068860][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.068860][ T73] netlink_unicast+0x449/0x710 [ 4498.068860][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.068860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.068860][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.068860][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.068860][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.068860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.068860][ T73] [ 4498.070859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.070859][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.070859][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.070859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.070859][ T73] ip6_route_add+0x1c/0x140 [ 4498.070859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4498.070859][ T73] addrconf_add_dev+0xe2/0x170 [ 4498.070859][ T73] inet6_addr_add+0x12f/0xa40 [ 4498.070859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.070859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.070859][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.070859][ T73] netlink_unicast+0x449/0x710 [ 4498.070859][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.070859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.070859][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.070859][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.070859][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.070859][ T73] [ 4498.072805][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.072805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4498.072805][ T73] ipv6_find_idev+0x102/0x170 [ 4498.072805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.072805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.072805][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.072805][ T73] netlink_unicast+0x449/0x710 [ 4498.072805][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.072805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.072805][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.072805][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.072805][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.072805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.072805][ T73] [ 4498.074446][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4498.074446][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4498.074446][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4498.074446][ T73] ipv6_find_idev+0x102/0x170 [ 4498.074446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.074446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.074446][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.074446][ T73] netlink_unicast+0x449/0x710 [ 4498.074446][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.074446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.074446][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.074446][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.074446][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.074446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.074446][ T73] [ 4498.076273][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4498.076561][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.076561][ T73] dst_init+0x84/0x4a0 [ 4498.076561][ T73] dst_alloc+0x97/0x150 [ 4498.076561][ T73] ip6_dst_alloc+0x23/0x90 [ 4498.076561][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4498.076561][ T73] ip6_pol_route+0x56f/0x840 [ 4498.076561][ T73] fib6_rule_lookup+0x456/0x630 [ 4498.076561][ T73] ip6_route_input+0x59c/0xa50 [ 4498.076561][ T73] ipv6_rcv+0x397/0x810 [ 4498.076561][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4498.076561][ T73] process_backlog+0x101/0x620 [ 4498.076561][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4498.076561][ T73] net_rx_action+0x495/0xbe0 [ 4498.076561][ T73] __do_softirq+0x1b5/0x7f6 [ 4498.076561][ T73] [ 4498.078316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.078316][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.078316][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.078316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.078316][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4498.078316][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4498.078316][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4498.078316][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4498.078316][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4498.078316][ T73] addrconf_dad_begin+0x310/0x670 [ 4498.078316][ T73] addrconf_dad_work+0x10b/0xab0 [ 4498.078316][ T73] process_one_work+0x84d/0x18a0 [ 4498.078316][ T73] worker_thread+0x587/0xd30 [ 4498.078316][ T73] kthread+0x28a/0x350 [ 4498.078316][ T73] ret_from_fork+0x31/0x70 [ 4498.078316][ T73] ret_from_fork_asm+0x1a/0x30 [ 4498.078316][ T73] [ 4498.080375][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.080375][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.080375][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.080375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.080375][ T73] ip6_route_add+0x1c/0x140 [ 4498.080375][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4498.080375][ T73] inet6_addr_add+0x4f8/0xa40 [ 4498.080375][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.080375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.080375][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.080375][ T73] netlink_unicast+0x449/0x710 [ 4498.080375][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.080375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.080375][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.080375][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.080375][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.080375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.080375][ T73] [ 4498.082518][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.082518][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.082518][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.082518][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.082518][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4498.082518][ T73] ipv6_add_addr+0x411/0x2000 [ 4498.082518][ T73] inet6_addr_add+0x30e/0xa40 [ 4498.082518][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.082518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.082518][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.082518][ T73] netlink_unicast+0x449/0x710 [ 4498.082518][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.082518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.082518][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.082518][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.082518][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.082518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.082518][ T73] [ 4498.084648][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.084648][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.084648][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.084648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.084648][ T73] ip6_route_add+0x1c/0x140 [ 4498.084648][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4498.084648][ T73] addrconf_add_dev+0xe2/0x170 [ 4498.084648][ T73] inet6_addr_add+0x12f/0xa40 [ 4498.084648][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.084648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.084648][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.084648][ T73] netlink_unicast+0x449/0x710 [ 4498.084648][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.084648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.084648][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.084648][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.084648][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.084648][ T73] [ 4498.086765][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.086765][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4498.086765][ T73] ipv6_find_idev+0x102/0x170 [ 4498.086765][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.086765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.086765][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.086765][ T73] netlink_unicast+0x449/0x710 [ 4498.086765][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.086765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.086765][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.086765][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.086765][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.086765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.086765][ T73] [ 4498.088442][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4498.088442][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4498.088442][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4498.088442][ T73] ipv6_find_idev+0x102/0x170 [ 4498.088442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.088442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.088442][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.088442][ T73] netlink_unicast+0x449/0x710 [ 4498.088442][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.088442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.088442][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.088442][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.088442][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.088442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.088442][ T73] [ 4498.090412][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4498.090694][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.090694][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4498.090694][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4498.090694][ T73] fib6_nh_init+0xa22/0x1580 [ 4498.090694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.090694][ T73] ip6_route_add+0x1c/0x140 [ 4498.090694][ T73] inet6_rtm_newroute+0x104/0x110 [ 4498.090694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.090694][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.090694][ T73] netlink_unicast+0x449/0x710 [ 4498.090694][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.090694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.090694][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.090694][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.090694][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.090694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.090694][ T73] [ 4498.093028][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.093028][ T73] dst_init+0x84/0x4a0 [ 4498.093028][ T73] dst_alloc+0x97/0x150 [ 4498.093028][ T73] ip6_dst_alloc+0x23/0x90 [ 4498.093028][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4498.093028][ T73] ip6_pol_route+0x56f/0x840 [ 4498.093028][ T73] fib6_rule_lookup+0x456/0x630 [ 4498.093028][ T73] ip6_route_input+0x59c/0xa50 [ 4498.093028][ T73] ipv6_rcv+0x397/0x810 [ 4498.093028][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4498.093028][ T73] process_backlog+0x101/0x620 [ 4498.093028][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4498.093028][ T73] net_rx_action+0x495/0xbe0 [ 4498.093028][ T73] __do_softirq+0x1b5/0x7f6 [ 4498.093028][ T73] [ 4498.094987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.094987][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.094987][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.094987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.094987][ T73] ip6_route_add+0x1c/0x140 [ 4498.094987][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4498.094987][ T73] inet6_addr_add+0x4f8/0xa40 [ 4498.094987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.094987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.094987][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.094987][ T73] netlink_unicast+0x449/0x710 [ 4498.094987][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.094987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.094987][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.094987][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.094987][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.094987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.094987][ T73] [ 4498.097400][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.097400][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.097400][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.097400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.097400][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4498.097400][ T73] ipv6_add_addr+0x411/0x2000 [ 4498.097400][ T73] inet6_addr_add+0x30e/0xa40 [ 4498.097400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.097400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.097400][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.097400][ T73] netlink_unicast+0x449/0x710 [ 4498.097400][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.097400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.097400][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.097400][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.097400][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.097400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.097400][ T73] [ 4498.099749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.099749][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.099749][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.099749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.099749][ T73] ip6_route_add+0x1c/0x140 [ 4498.099749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4498.099749][ T73] addrconf_add_dev+0xe2/0x170 [ 4498.099749][ T73] inet6_addr_add+0x12f/0xa40 [ 4498.099749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.099749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.099749][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.099749][ T73] netlink_unicast+0x449/0x710 [ 4498.099749][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.099749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.099749][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.099749][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.099749][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.099749][ T73] [ 4498.102128][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.102128][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4498.102128][ T73] ipv6_find_idev+0x102/0x170 [ 4498.102128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.102128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.102128][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.102128][ T73] netlink_unicast+0x449/0x710 [ 4498.102128][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.102128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.102128][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.102128][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.102128][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.102128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.102128][ T73] [ 4498.103961][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4498.103961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4498.103961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4498.103961][ T73] ipv6_find_idev+0x102/0x170 [ 4498.103961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.103961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.103961][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.103961][ T73] netlink_unicast+0x449/0x710 [ 4498.103961][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.103961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.103961][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.103961][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.103961][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.103961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.103961][ T73] [ 4498.105940][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4498.106291][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4498.106291][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.106291][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.106291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.106291][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4498.106291][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4498.106291][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4498.106291][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4498.106291][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4498.106291][ T73] addrconf_dad_begin+0x310/0x670 [ 4498.106291][ T73] addrconf_dad_work+0x10b/0xab0 [ 4498.106291][ T73] process_one_work+0x84d/0x18a0 [ 4498.106291][ T73] worker_thread+0x587/0xd30 [ 4498.106291][ T73] kthread+0x28a/0x350 [ 4498.106291][ T73] ret_from_fork+0x31/0x70 [ 4498.106291][ T73] ret_from_fork_asm+0x1a/0x30 [ 4498.106291][ T73] [ 4498.108451][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4498.108451][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.108451][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.108451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.108451][ T73] ip6_route_add+0x1c/0x140 [ 4498.108451][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4498.108451][ T73] inet6_addr_add+0x4f8/0xa40 [ 4498.108451][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.108451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.108451][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.108451][ T73] netlink_unicast+0x449/0x710 [ 4498.108451][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.108451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.108451][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.108451][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.108451][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.108451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.108451][ T73] [ 4498.110852][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4498.110852][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.110852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.110852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.110852][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4498.110852][ T73] ipv6_add_addr+0x411/0x2000 [ 4498.110852][ T73] inet6_addr_add+0x30e/0xa40 [ 4498.110852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.110852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.110852][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.110852][ T73] netlink_unicast+0x449/0x710 [ 4498.110852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.110852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.110852][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.110852][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.110852][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.110852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.110852][ T73] [ 4498.113197][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4498.113197][ T73] netdev_get_by_index+0x5e/0x80 [ 4498.113197][ T73] fib6_nh_init+0x3d8/0x1580 [ 4498.113197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4498.113197][ T73] ip6_route_add+0x1c/0x140 [ 4498.113197][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4498.113197][ T73] addrconf_add_dev+0xe2/0x170 [ 4498.113197][ T73] inet6_addr_add+0x12f/0xa40 [ 4498.113197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.113197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.113197][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.113197][ T73] netlink_unicast+0x449/0x710 [ 4498.113197][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.113197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.113197][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.113197][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.113197][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.113197][ T73] [ 4498.115421][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4498.115421][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4498.115421][ T73] ipv6_find_idev+0x102/0x170 [ 4498.115421][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.115421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.115421][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.115421][ T73] netlink_unicast+0x449/0x710 [ 4498.115421][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.115421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.115421][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.115421][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.115421][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.115421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.115421][ T73] [ 4498.117165][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4498.117165][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4498.117165][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4498.117165][ T73] ipv6_find_idev+0x102/0x170 [ 4498.117165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.117165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.117165][ T73] netlink_rcv_skb+0x130/0x360 [ 4498.117165][ T73] netlink_unicast+0x449/0x710 [ 4498.117165][ T73] netlink_sendmsg+0x723/0xbe0 [ 4498.117165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4498.117165][ T73] ___sys_sendmsg+0xee/0x170 [ 4498.117165][ T73] __sys_sendmsg+0xcd/0x170 [ 4498.117165][ T73] do_syscall_64+0xc6/0x1e0 [ 4498.117165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.117165][ T73] [ 4508.358836][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4508.359259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.359259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4508.359259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4508.359259][ T73] fib6_nh_init+0xa22/0x1580 [ 4508.359259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.359259][ T73] ip6_route_add+0x1c/0x140 [ 4508.359259][ T73] inet6_rtm_newroute+0x104/0x110 [ 4508.359259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.359259][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.359259][ T73] netlink_unicast+0x449/0x710 [ 4508.359259][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.359259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.359259][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.359259][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.359259][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.359259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.359259][ T73] [ 4508.361154][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.361154][ T73] dst_init+0x84/0x4a0 [ 4508.361154][ T73] dst_alloc+0x97/0x150 [ 4508.361154][ T73] ip6_dst_alloc+0x23/0x90 [ 4508.361154][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4508.361154][ T73] ip6_pol_route+0x56f/0x840 [ 4508.361154][ T73] fib6_rule_lookup+0x456/0x630 [ 4508.361154][ T73] ip6_route_input+0x59c/0xa50 [ 4508.361154][ T73] ipv6_rcv+0x397/0x810 [ 4508.361154][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4508.361154][ T73] process_backlog+0x101/0x620 [ 4508.361154][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4508.361154][ T73] net_rx_action+0x495/0xbe0 [ 4508.361154][ T73] __do_softirq+0x1b5/0x7f6 [ 4508.361154][ T73] [ 4508.362773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.362773][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.362773][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.362773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.362773][ T73] ip6_route_add+0x1c/0x140 [ 4508.362773][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4508.362773][ T73] inet6_addr_add+0x4f8/0xa40 [ 4508.362773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.362773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.362773][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.362773][ T73] netlink_unicast+0x449/0x710 [ 4508.362773][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.362773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.362773][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.362773][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.362773][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.362773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.362773][ T73] [ 4508.364757][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.364757][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.364757][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.364757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.364757][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4508.364757][ T73] ipv6_add_addr+0x411/0x2000 [ 4508.364757][ T73] inet6_addr_add+0x30e/0xa40 [ 4508.364757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.364757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.364757][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.364757][ T73] netlink_unicast+0x449/0x710 [ 4508.364757][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.364757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.364757][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.364757][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.364757][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.364757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.364757][ T73] [ 4508.366733][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.366733][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.366733][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.366733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.366733][ T73] ip6_route_add+0x1c/0x140 [ 4508.366733][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4508.366733][ T73] addrconf_add_dev+0xe2/0x170 [ 4508.366733][ T73] inet6_addr_add+0x12f/0xa40 [ 4508.366733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.366733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.366733][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.366733][ T73] netlink_unicast+0x449/0x710 [ 4508.366733][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.366733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.366733][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.366733][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.366733][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.366733][ T73] [ 4508.368686][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.368686][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4508.368686][ T73] ipv6_find_idev+0x102/0x170 [ 4508.368686][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.368686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.368686][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.368686][ T73] netlink_unicast+0x449/0x710 [ 4508.368686][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.368686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.368686][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.368686][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.368686][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.368686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.368686][ T73] [ 4508.370224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4508.370224][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4508.370224][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4508.370224][ T73] ipv6_find_idev+0x102/0x170 [ 4508.370224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.370224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.370224][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.370224][ T73] netlink_unicast+0x449/0x710 [ 4508.370224][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.370224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.370224][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.370224][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.370224][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.370224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.370224][ T73] [ 4508.371910][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4508.372181][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.372181][ T73] dst_init+0x84/0x4a0 [ 4508.372181][ T73] dst_alloc+0x97/0x150 [ 4508.372181][ T73] ip6_dst_alloc+0x23/0x90 [ 4508.372181][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4508.372181][ T73] ip6_pol_route+0x56f/0x840 [ 4508.372181][ T73] fib6_rule_lookup+0x456/0x630 [ 4508.372181][ T73] ip6_route_input+0x59c/0xa50 [ 4508.372181][ T73] ipv6_rcv+0x397/0x810 [ 4508.372181][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4508.372181][ T73] process_backlog+0x101/0x620 [ 4508.372181][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4508.372181][ T73] net_rx_action+0x495/0xbe0 [ 4508.372181][ T73] __do_softirq+0x1b5/0x7f6 [ 4508.372181][ T73] [ 4508.373802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.373802][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.373802][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.373802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.373802][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4508.373802][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4508.373802][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4508.373802][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4508.373802][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4508.373802][ T73] addrconf_dad_begin+0x310/0x670 [ 4508.373802][ T73] addrconf_dad_work+0x10b/0xab0 [ 4508.373802][ T73] process_one_work+0x84d/0x18a0 [ 4508.373802][ T73] worker_thread+0x587/0xd30 [ 4508.373802][ T73] kthread+0x28a/0x350 [ 4508.373802][ T73] ret_from_fork+0x31/0x70 [ 4508.373802][ T73] ret_from_fork_asm+0x1a/0x30 [ 4508.373802][ T73] [ 4508.375708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.375708][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.375708][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.375708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.375708][ T73] ip6_route_add+0x1c/0x140 [ 4508.375708][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4508.375708][ T73] inet6_addr_add+0x4f8/0xa40 [ 4508.375708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.375708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.375708][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.375708][ T73] netlink_unicast+0x449/0x710 [ 4508.375708][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.375708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.375708][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.375708][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.375708][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.375708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.375708][ T73] [ 4508.377691][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.377691][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.377691][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.377691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.377691][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4508.377691][ T73] ipv6_add_addr+0x411/0x2000 [ 4508.377691][ T73] inet6_addr_add+0x30e/0xa40 [ 4508.377691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.377691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.377691][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.377691][ T73] netlink_unicast+0x449/0x710 [ 4508.377691][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.377691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.377691][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.377691][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.377691][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.377691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.377691][ T73] [ 4508.379677][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.379677][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.379677][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.379677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.379677][ T73] ip6_route_add+0x1c/0x140 [ 4508.379677][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4508.379677][ T73] addrconf_add_dev+0xe2/0x170 [ 4508.379677][ T73] inet6_addr_add+0x12f/0xa40 [ 4508.379677][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.379677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.379677][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.379677][ T73] netlink_unicast+0x449/0x710 [ 4508.379677][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.379677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.379677][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.379677][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.379677][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.379677][ T73] [ 4508.381641][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.381641][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4508.381641][ T73] ipv6_find_idev+0x102/0x170 [ 4508.381641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.381641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.381641][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.381641][ T73] netlink_unicast+0x449/0x710 [ 4508.381641][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.381641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.381641][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.381641][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.381641][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.381641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.381641][ T73] [ 4508.383169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4508.383169][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4508.383169][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4508.383169][ T73] ipv6_find_idev+0x102/0x170 [ 4508.383169][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.383169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.383169][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.383169][ T73] netlink_unicast+0x449/0x710 [ 4508.383169][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.383169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.383169][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.383169][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.383169][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.383169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.383169][ T73] [ 4508.384911][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4508.385176][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.385176][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4508.385176][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4508.385176][ T73] fib6_nh_init+0xa22/0x1580 [ 4508.385176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.385176][ T73] ip6_route_add+0x1c/0x140 [ 4508.385176][ T73] inet6_rtm_newroute+0x104/0x110 [ 4508.385176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.385176][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.385176][ T73] netlink_unicast+0x449/0x710 [ 4508.385176][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.385176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.385176][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.385176][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.385176][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.385176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.385176][ T73] [ 4508.387164][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.387164][ T73] dst_init+0x84/0x4a0 [ 4508.387164][ T73] dst_alloc+0x97/0x150 [ 4508.387164][ T73] ip6_dst_alloc+0x23/0x90 [ 4508.387164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4508.387164][ T73] ip6_pol_route+0x56f/0x840 [ 4508.387164][ T73] fib6_rule_lookup+0x456/0x630 [ 4508.387164][ T73] ip6_route_input+0x59c/0xa50 [ 4508.387164][ T73] ipv6_rcv+0x397/0x810 [ 4508.387164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4508.387164][ T73] process_backlog+0x101/0x620 [ 4508.387164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4508.387164][ T73] net_rx_action+0x495/0xbe0 [ 4508.387164][ T73] __do_softirq+0x1b5/0x7f6 [ 4508.387164][ T73] [ 4508.388907][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.388907][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.388907][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.388907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.388907][ T73] ip6_route_add+0x1c/0x140 [ 4508.388907][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4508.388907][ T73] inet6_addr_add+0x4f8/0xa40 [ 4508.388907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.388907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.388907][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.388907][ T73] netlink_unicast+0x449/0x710 [ 4508.388907][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.388907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.388907][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.388907][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.388907][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.388907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.388907][ T73] [ 4508.391019][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.391019][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.391019][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.391019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.391019][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4508.391019][ T73] ipv6_add_addr+0x411/0x2000 [ 4508.391019][ T73] inet6_addr_add+0x30e/0xa40 [ 4508.391019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.391019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.391019][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.391019][ T73] netlink_unicast+0x449/0x710 [ 4508.391019][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.391019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.391019][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.391019][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.391019][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.391019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.391019][ T73] [ 4508.393052][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.393052][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.393052][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.393052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.393052][ T73] ip6_route_add+0x1c/0x140 [ 4508.393052][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4508.393052][ T73] addrconf_add_dev+0xe2/0x170 [ 4508.393052][ T73] inet6_addr_add+0x12f/0xa40 [ 4508.393052][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.393052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.393052][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.393052][ T73] netlink_unicast+0x449/0x710 [ 4508.393052][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.393052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.393052][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.393052][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.393052][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.393052][ T73] [ 4508.395120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.395120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4508.395120][ T73] ipv6_find_idev+0x102/0x170 [ 4508.395120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.395120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.395120][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.395120][ T73] netlink_unicast+0x449/0x710 [ 4508.395120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.395120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.395120][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.395120][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.395120][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.395120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.395120][ T73] [ 4508.396770][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4508.396770][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4508.396770][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4508.396770][ T73] ipv6_find_idev+0x102/0x170 [ 4508.396770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.396770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.396770][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.396770][ T73] netlink_unicast+0x449/0x710 [ 4508.396770][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.396770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.396770][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.396770][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.396770][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.396770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.396770][ T73] [ 4508.398489][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4508.398824][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4508.398824][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.398824][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.398824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.398824][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4508.398824][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4508.398824][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4508.398824][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4508.398824][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4508.398824][ T73] addrconf_dad_begin+0x310/0x670 [ 4508.398824][ T73] addrconf_dad_work+0x10b/0xab0 [ 4508.398824][ T73] process_one_work+0x84d/0x18a0 [ 4508.398824][ T73] worker_thread+0x587/0xd30 [ 4508.398824][ T73] kthread+0x28a/0x350 [ 4508.398824][ T73] ret_from_fork+0x31/0x70 [ 4508.398824][ T73] ret_from_fork_asm+0x1a/0x30 [ 4508.398824][ T73] [ 4508.400804][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4508.400804][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.400804][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.400804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.400804][ T73] ip6_route_add+0x1c/0x140 [ 4508.400804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4508.400804][ T73] inet6_addr_add+0x4f8/0xa40 [ 4508.400804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.400804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.400804][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.400804][ T73] netlink_unicast+0x449/0x710 [ 4508.400804][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.400804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.400804][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.400804][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.400804][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.400804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.400804][ T73] [ 4508.402912][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4508.402912][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.402912][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.402912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.402912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4508.402912][ T73] ipv6_add_addr+0x411/0x2000 [ 4508.402912][ T73] inet6_addr_add+0x30e/0xa40 [ 4508.402912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.402912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.402912][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.402912][ T73] netlink_unicast+0x449/0x710 [ 4508.402912][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.402912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.402912][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.402912][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.402912][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.402912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.402912][ T73] [ 4508.405011][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4508.405011][ T73] netdev_get_by_index+0x5e/0x80 [ 4508.405011][ T73] fib6_nh_init+0x3d8/0x1580 [ 4508.405011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4508.405011][ T73] ip6_route_add+0x1c/0x140 [ 4508.405011][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4508.405011][ T73] addrconf_add_dev+0xe2/0x170 [ 4508.405011][ T73] inet6_addr_add+0x12f/0xa40 [ 4508.405011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.405011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.405011][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.405011][ T73] netlink_unicast+0x449/0x710 [ 4508.405011][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.405011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.405011][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.405011][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.405011][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.405011][ T73] [ 4508.407091][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4508.407091][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4508.407091][ T73] ipv6_find_idev+0x102/0x170 [ 4508.407091][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.407091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.407091][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.407091][ T73] netlink_unicast+0x449/0x710 [ 4508.407091][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.407091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.407091][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.407091][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.407091][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.407091][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.407091][ T73] [ 4508.408750][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4508.408750][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4508.408750][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4508.408750][ T73] ipv6_find_idev+0x102/0x170 [ 4508.408750][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.408750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.408750][ T73] netlink_rcv_skb+0x130/0x360 [ 4508.408750][ T73] netlink_unicast+0x449/0x710 [ 4508.408750][ T73] netlink_sendmsg+0x723/0xbe0 [ 4508.408750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4508.408750][ T73] ___sys_sendmsg+0xee/0x170 [ 4508.408750][ T73] __sys_sendmsg+0xcd/0x170 [ 4508.408750][ T73] do_syscall_64+0xc6/0x1e0 [ 4508.408750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.408750][ T73] [ 4518.646932][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4518.647392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.647392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4518.647392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4518.647392][ T73] fib6_nh_init+0xa22/0x1580 [ 4518.647392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.647392][ T73] ip6_route_add+0x1c/0x140 [ 4518.647392][ T73] inet6_rtm_newroute+0x104/0x110 [ 4518.647392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.647392][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.647392][ T73] netlink_unicast+0x449/0x710 [ 4518.647392][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.647392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.647392][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.647392][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.647392][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.647392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.647392][ T73] [ 4518.649269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.649269][ T73] dst_init+0x84/0x4a0 [ 4518.649269][ T73] dst_alloc+0x97/0x150 [ 4518.649269][ T73] ip6_dst_alloc+0x23/0x90 [ 4518.649269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4518.649269][ T73] ip6_pol_route+0x56f/0x840 [ 4518.649269][ T73] fib6_rule_lookup+0x456/0x630 [ 4518.649269][ T73] ip6_route_input+0x59c/0xa50 [ 4518.649269][ T73] ipv6_rcv+0x397/0x810 [ 4518.649269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4518.649269][ T73] process_backlog+0x101/0x620 [ 4518.649269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4518.649269][ T73] net_rx_action+0x495/0xbe0 [ 4518.649269][ T73] __do_softirq+0x1b5/0x7f6 [ 4518.649269][ T73] [ 4518.650908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.650908][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.650908][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.650908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.650908][ T73] ip6_route_add+0x1c/0x140 [ 4518.650908][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4518.650908][ T73] inet6_addr_add+0x4f8/0xa40 [ 4518.650908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.650908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.650908][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.650908][ T73] netlink_unicast+0x449/0x710 [ 4518.650908][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.650908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.650908][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.650908][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.650908][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.650908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.650908][ T73] [ 4518.652896][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.652896][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.652896][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.652896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.652896][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4518.652896][ T73] ipv6_add_addr+0x411/0x2000 [ 4518.652896][ T73] inet6_addr_add+0x30e/0xa40 [ 4518.652896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.652896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.652896][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.652896][ T73] netlink_unicast+0x449/0x710 [ 4518.652896][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.652896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.652896][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.652896][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.652896][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.652896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.652896][ T73] [ 4518.654880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.654880][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.654880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.654880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.654880][ T73] ip6_route_add+0x1c/0x140 [ 4518.654880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4518.654880][ T73] addrconf_add_dev+0xe2/0x170 [ 4518.654880][ T73] inet6_addr_add+0x12f/0xa40 [ 4518.654880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.654880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.654880][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.654880][ T73] netlink_unicast+0x449/0x710 [ 4518.654880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.654880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.654880][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.654880][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.654880][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.654880][ T73] [ 4518.656840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.656840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4518.656840][ T73] ipv6_find_idev+0x102/0x170 [ 4518.656840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.656840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.656840][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.656840][ T73] netlink_unicast+0x449/0x710 [ 4518.656840][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.656840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.656840][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.656840][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.656840][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.656840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.656840][ T73] [ 4518.658369][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4518.658369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4518.658369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4518.658369][ T73] ipv6_find_idev+0x102/0x170 [ 4518.658369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.658369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.658369][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.658369][ T73] netlink_unicast+0x449/0x710 [ 4518.658369][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.658369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.658369][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.658369][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.658369][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.658369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.658369][ T73] [ 4518.660571][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4518.660862][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.660862][ T73] dst_init+0x84/0x4a0 [ 4518.660862][ T73] dst_alloc+0x97/0x150 [ 4518.660862][ T73] ip6_dst_alloc+0x23/0x90 [ 4518.660862][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4518.660862][ T73] ip6_pol_route+0x56f/0x840 [ 4518.660862][ T73] fib6_rule_lookup+0x456/0x630 [ 4518.660862][ T73] ip6_route_input+0x59c/0xa50 [ 4518.660862][ T73] ipv6_rcv+0x397/0x810 [ 4518.660862][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4518.660862][ T73] process_backlog+0x101/0x620 [ 4518.660862][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4518.660862][ T73] net_rx_action+0x495/0xbe0 [ 4518.660862][ T73] __do_softirq+0x1b5/0x7f6 [ 4518.660862][ T73] [ 4518.662491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.662491][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.662491][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.662491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.662491][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4518.662491][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4518.662491][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4518.662491][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4518.662491][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4518.662491][ T73] addrconf_dad_begin+0x310/0x670 [ 4518.662491][ T73] addrconf_dad_work+0x10b/0xab0 [ 4518.662491][ T73] process_one_work+0x84d/0x18a0 [ 4518.662491][ T73] worker_thread+0x587/0xd30 [ 4518.662491][ T73] kthread+0x28a/0x350 [ 4518.662491][ T73] ret_from_fork+0x31/0x70 [ 4518.662491][ T73] ret_from_fork_asm+0x1a/0x30 [ 4518.662491][ T73] [ 4518.664385][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.664385][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.664385][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.664385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.664385][ T73] ip6_route_add+0x1c/0x140 [ 4518.664385][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4518.664385][ T73] inet6_addr_add+0x4f8/0xa40 [ 4518.664385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.664385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.664385][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.664385][ T73] netlink_unicast+0x449/0x710 [ 4518.664385][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.664385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.664385][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.664385][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.664385][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.664385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.664385][ T73] [ 4518.666453][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.666453][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.666453][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.666453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.666453][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4518.666453][ T73] ipv6_add_addr+0x411/0x2000 [ 4518.666453][ T73] inet6_addr_add+0x30e/0xa40 [ 4518.666453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.666453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.666453][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.666453][ T73] netlink_unicast+0x449/0x710 [ 4518.666453][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.666453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.666453][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.666453][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.666453][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.666453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.666453][ T73] [ 4518.668971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.668971][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.668971][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.668971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.668971][ T73] ip6_route_add+0x1c/0x140 [ 4518.668971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4518.668971][ T73] addrconf_add_dev+0xe2/0x170 [ 4518.668971][ T73] inet6_addr_add+0x12f/0xa40 [ 4518.668971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.668971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.668971][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.668971][ T73] netlink_unicast+0x449/0x710 [ 4518.668971][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.668971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.668971][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.668971][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.668971][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.668971][ T73] [ 4518.671103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.671103][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4518.671103][ T73] ipv6_find_idev+0x102/0x170 [ 4518.671103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.671103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.671103][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.671103][ T73] netlink_unicast+0x449/0x710 [ 4518.671103][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.671103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.671103][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.671103][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.671103][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.671103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.671103][ T73] [ 4518.672774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4518.672774][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4518.672774][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4518.672774][ T73] ipv6_find_idev+0x102/0x170 [ 4518.672774][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.672774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.672774][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.672774][ T73] netlink_unicast+0x449/0x710 [ 4518.672774][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.672774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.672774][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.672774][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.672774][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.672774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.672774][ T73] [ 4518.674730][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4518.675033][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.675033][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4518.675033][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4518.675033][ T73] fib6_nh_init+0xa22/0x1580 [ 4518.675033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.675033][ T73] ip6_route_add+0x1c/0x140 [ 4518.675033][ T73] inet6_rtm_newroute+0x104/0x110 [ 4518.675033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.675033][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.675033][ T73] netlink_unicast+0x449/0x710 [ 4518.675033][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.675033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.675033][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.675033][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.675033][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.675033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.675033][ T73] [ 4518.677372][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.677372][ T73] dst_init+0x84/0x4a0 [ 4518.677372][ T73] dst_alloc+0x97/0x150 [ 4518.677372][ T73] ip6_dst_alloc+0x23/0x90 [ 4518.677372][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4518.677372][ T73] ip6_pol_route+0x56f/0x840 [ 4518.677372][ T73] fib6_rule_lookup+0x456/0x630 [ 4518.677372][ T73] ip6_route_input+0x59c/0xa50 [ 4518.677372][ T73] ipv6_rcv+0x397/0x810 [ 4518.677372][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4518.677372][ T73] process_backlog+0x101/0x620 [ 4518.677372][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4518.677372][ T73] net_rx_action+0x495/0xbe0 [ 4518.677372][ T73] __do_softirq+0x1b5/0x7f6 [ 4518.677372][ T73] [ 4518.679319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.679319][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.679319][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.679319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.679319][ T73] ip6_route_add+0x1c/0x140 [ 4518.679319][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4518.679319][ T73] inet6_addr_add+0x4f8/0xa40 [ 4518.679319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.679319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.679319][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.679319][ T73] netlink_unicast+0x449/0x710 [ 4518.679319][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.679319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.679319][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.679319][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.679319][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.679319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.679319][ T73] [ 4518.681737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.681737][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.681737][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.681737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.681737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4518.681737][ T73] ipv6_add_addr+0x411/0x2000 [ 4518.681737][ T73] inet6_addr_add+0x30e/0xa40 [ 4518.681737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.681737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.681737][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.681737][ T73] netlink_unicast+0x449/0x710 [ 4518.681737][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.681737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.681737][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.681737][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.681737][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.681737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.681737][ T73] [ 4518.684098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.684098][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.684098][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.684098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.684098][ T73] ip6_route_add+0x1c/0x140 [ 4518.684098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4518.684098][ T73] addrconf_add_dev+0xe2/0x170 [ 4518.684098][ T73] inet6_addr_add+0x12f/0xa40 [ 4518.684098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.684098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.684098][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.684098][ T73] netlink_unicast+0x449/0x710 [ 4518.684098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.684098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.684098][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.684098][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.684098][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.684098][ T73] [ 4518.686526][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.686526][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4518.686526][ T73] ipv6_find_idev+0x102/0x170 [ 4518.686526][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.686526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.686526][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.686526][ T73] netlink_unicast+0x449/0x710 [ 4518.686526][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.686526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.686526][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.686526][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.686526][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.686526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.686526][ T73] [ 4518.688347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4518.688347][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4518.688347][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4518.688347][ T73] ipv6_find_idev+0x102/0x170 [ 4518.688347][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.688347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.688347][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.688347][ T73] netlink_unicast+0x449/0x710 [ 4518.688347][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.688347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.688347][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.688347][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.688347][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.688347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.688347][ T73] [ 4518.690334][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4518.690677][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4518.690677][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.690677][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.690677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.690677][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4518.690677][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4518.690677][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4518.690677][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4518.690677][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4518.690677][ T73] addrconf_dad_begin+0x310/0x670 [ 4518.690677][ T73] addrconf_dad_work+0x10b/0xab0 [ 4518.690677][ T73] process_one_work+0x84d/0x18a0 [ 4518.690677][ T73] worker_thread+0x587/0xd30 [ 4518.690677][ T73] kthread+0x28a/0x350 [ 4518.690677][ T73] ret_from_fork+0x31/0x70 [ 4518.690677][ T73] ret_from_fork_asm+0x1a/0x30 [ 4518.690677][ T73] [ 4518.692930][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4518.692930][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.692930][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.692930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.692930][ T73] ip6_route_add+0x1c/0x140 [ 4518.692930][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4518.692930][ T73] inet6_addr_add+0x4f8/0xa40 [ 4518.692930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.692930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.692930][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.692930][ T73] netlink_unicast+0x449/0x710 [ 4518.692930][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.692930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.692930][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.692930][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.692930][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.692930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.692930][ T73] [ 4518.695403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4518.695403][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.695403][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.695403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.695403][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4518.695403][ T73] ipv6_add_addr+0x411/0x2000 [ 4518.695403][ T73] inet6_addr_add+0x30e/0xa40 [ 4518.695403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.695403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.695403][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.695403][ T73] netlink_unicast+0x449/0x710 [ 4518.695403][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.695403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.695403][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.695403][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.695403][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.695403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.695403][ T73] [ 4518.697777][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4518.697777][ T73] netdev_get_by_index+0x5e/0x80 [ 4518.697777][ T73] fib6_nh_init+0x3d8/0x1580 [ 4518.697777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4518.697777][ T73] ip6_route_add+0x1c/0x140 [ 4518.697777][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4518.697777][ T73] addrconf_add_dev+0xe2/0x170 [ 4518.697777][ T73] inet6_addr_add+0x12f/0xa40 [ 4518.697777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4518.697777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.697777][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.697777][ T73] netlink_unicast+0x449/0x710 [ 4518.697777][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.697777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.697777][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.697777][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.697777][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.697777][ T73] [ 4518.700154][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4518.700154][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4518.700154][ T73] ipv6_find_idev+0x102/0x170 [ 4518.700154][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.700154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.700154][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.700154][ T73] netlink_unicast+0x449/0x710 [ 4518.700154][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.700154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.700154][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.700154][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.700154][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.700154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.700154][ T73] [ 4518.701946][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4518.701946][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4518.701946][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4518.701946][ T73] ipv6_find_idev+0x102/0x170 [ 4518.701946][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4518.701946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4518.701946][ T73] netlink_rcv_skb+0x130/0x360 [ 4518.701946][ T73] netlink_unicast+0x449/0x710 [ 4518.701946][ T73] netlink_sendmsg+0x723/0xbe0 [ 4518.701946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4518.701946][ T73] ___sys_sendmsg+0xee/0x170 [ 4518.701946][ T73] __sys_sendmsg+0xcd/0x170 [ 4518.701946][ T73] do_syscall_64+0xc6/0x1e0 [ 4518.701946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4518.701946][ T73] [ 4528.942834][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4528.943235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.943235][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4528.943235][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4528.943235][ T73] fib6_nh_init+0xa22/0x1580 [ 4528.943235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.943235][ T73] ip6_route_add+0x1c/0x140 [ 4528.943235][ T73] inet6_rtm_newroute+0x104/0x110 [ 4528.943235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.943235][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.943235][ T73] netlink_unicast+0x449/0x710 [ 4528.943235][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.943235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.943235][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.943235][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.943235][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.943235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.943235][ T73] [ 4528.945419][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.945419][ T73] dst_init+0x84/0x4a0 [ 4528.945419][ T73] dst_alloc+0x97/0x150 [ 4528.945419][ T73] ip6_dst_alloc+0x23/0x90 [ 4528.945419][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4528.945419][ T73] ip6_pol_route+0x56f/0x840 [ 4528.945419][ T73] fib6_rule_lookup+0x456/0x630 [ 4528.945419][ T73] ip6_route_input+0x59c/0xa50 [ 4528.945419][ T73] ipv6_rcv+0x397/0x810 [ 4528.945419][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4528.945419][ T73] process_backlog+0x101/0x620 [ 4528.945419][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4528.945419][ T73] net_rx_action+0x495/0xbe0 [ 4528.945419][ T73] __do_softirq+0x1b5/0x7f6 [ 4528.945419][ T73] [ 4528.947190][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.947190][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.947190][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.947190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.947190][ T73] ip6_route_add+0x1c/0x140 [ 4528.947190][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4528.947190][ T73] inet6_addr_add+0x4f8/0xa40 [ 4528.947190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.947190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.947190][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.947190][ T73] netlink_unicast+0x449/0x710 [ 4528.947190][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.947190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.947190][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.947190][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.947190][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.947190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.947190][ T73] [ 4528.949290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.949290][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.949290][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.949290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.949290][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4528.949290][ T73] ipv6_add_addr+0x411/0x2000 [ 4528.949290][ T73] inet6_addr_add+0x30e/0xa40 [ 4528.949290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.949290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.949290][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.949290][ T73] netlink_unicast+0x449/0x710 [ 4528.949290][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.949290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.949290][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.949290][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.949290][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.949290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.949290][ T73] [ 4528.951388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.951388][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.951388][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.951388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.951388][ T73] ip6_route_add+0x1c/0x140 [ 4528.951388][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4528.951388][ T73] addrconf_add_dev+0xe2/0x170 [ 4528.951388][ T73] inet6_addr_add+0x12f/0xa40 [ 4528.951388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.951388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.951388][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.951388][ T73] netlink_unicast+0x449/0x710 [ 4528.951388][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.951388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.951388][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.951388][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.951388][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.951388][ T73] [ 4528.953435][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.953435][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4528.953435][ T73] ipv6_find_idev+0x102/0x170 [ 4528.953435][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.953435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.953435][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.953435][ T73] netlink_unicast+0x449/0x710 [ 4528.953435][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.953435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.953435][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.953435][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.953435][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.953435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.953435][ T73] [ 4528.955066][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4528.955066][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4528.955066][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4528.955066][ T73] ipv6_find_idev+0x102/0x170 [ 4528.955066][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.955066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.955066][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.955066][ T73] netlink_unicast+0x449/0x710 [ 4528.955066][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.955066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.955066][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.955066][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.955066][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.955066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.955066][ T73] [ 4528.956866][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4528.957146][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.957146][ T73] dst_init+0x84/0x4a0 [ 4528.957146][ T73] dst_alloc+0x97/0x150 [ 4528.957146][ T73] ip6_dst_alloc+0x23/0x90 [ 4528.957146][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4528.957146][ T73] ip6_pol_route+0x56f/0x840 [ 4528.957146][ T73] fib6_rule_lookup+0x456/0x630 [ 4528.957146][ T73] ip6_route_input+0x59c/0xa50 [ 4528.957146][ T73] ipv6_rcv+0x397/0x810 [ 4528.957146][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4528.957146][ T73] process_backlog+0x101/0x620 [ 4528.957146][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4528.957146][ T73] net_rx_action+0x495/0xbe0 [ 4528.957146][ T73] __do_softirq+0x1b5/0x7f6 [ 4528.957146][ T73] [ 4528.958844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.958844][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.958844][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.958844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.958844][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4528.958844][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4528.958844][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4528.958844][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4528.958844][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4528.958844][ T73] addrconf_dad_begin+0x310/0x670 [ 4528.958844][ T73] addrconf_dad_work+0x10b/0xab0 [ 4528.958844][ T73] process_one_work+0x84d/0x18a0 [ 4528.958844][ T73] worker_thread+0x587/0xd30 [ 4528.958844][ T73] kthread+0x28a/0x350 [ 4528.958844][ T73] ret_from_fork+0x31/0x70 [ 4528.958844][ T73] ret_from_fork_asm+0x1a/0x30 [ 4528.958844][ T73] [ 4528.960862][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.960862][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.960862][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.960862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.960862][ T73] ip6_route_add+0x1c/0x140 [ 4528.960862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4528.960862][ T73] inet6_addr_add+0x4f8/0xa40 [ 4528.960862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.960862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.960862][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.960862][ T73] netlink_unicast+0x449/0x710 [ 4528.960862][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.960862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.960862][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.960862][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.960862][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.960862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.960862][ T73] [ 4528.962934][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.962934][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.962934][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.962934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.962934][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4528.962934][ T73] ipv6_add_addr+0x411/0x2000 [ 4528.962934][ T73] inet6_addr_add+0x30e/0xa40 [ 4528.962934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.962934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.962934][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.962934][ T73] netlink_unicast+0x449/0x710 [ 4528.962934][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.962934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.962934][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.962934][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.962934][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.962934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.962934][ T73] [ 4528.965018][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.965018][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.965018][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.965018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.965018][ T73] ip6_route_add+0x1c/0x140 [ 4528.965018][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4528.965018][ T73] addrconf_add_dev+0xe2/0x170 [ 4528.965018][ T73] inet6_addr_add+0x12f/0xa40 [ 4528.965018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.965018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.965018][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.965018][ T73] netlink_unicast+0x449/0x710 [ 4528.965018][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.965018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.965018][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.965018][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.965018][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.965018][ T73] [ 4528.967056][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.967056][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4528.967056][ T73] ipv6_find_idev+0x102/0x170 [ 4528.967056][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.967056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.967056][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.967056][ T73] netlink_unicast+0x449/0x710 [ 4528.967056][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.967056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.967056][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.967056][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.967056][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.967056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.967056][ T73] [ 4528.968650][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4528.968650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4528.968650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4528.968650][ T73] ipv6_find_idev+0x102/0x170 [ 4528.968650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.968650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.968650][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.968650][ T73] netlink_unicast+0x449/0x710 [ 4528.968650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.968650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.968650][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.968650][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.968650][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.968650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.968650][ T73] [ 4528.970473][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4528.970751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.970751][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4528.970751][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4528.970751][ T73] fib6_nh_init+0xa22/0x1580 [ 4528.970751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.970751][ T73] ip6_route_add+0x1c/0x140 [ 4528.970751][ T73] inet6_rtm_newroute+0x104/0x110 [ 4528.970751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.970751][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.970751][ T73] netlink_unicast+0x449/0x710 [ 4528.970751][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.970751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.970751][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.970751][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.970751][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.970751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.970751][ T73] [ 4528.972898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.972898][ T73] dst_init+0x84/0x4a0 [ 4528.972898][ T73] dst_alloc+0x97/0x150 [ 4528.972898][ T73] ip6_dst_alloc+0x23/0x90 [ 4528.972898][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4528.972898][ T73] ip6_pol_route+0x56f/0x840 [ 4528.972898][ T73] fib6_rule_lookup+0x456/0x630 [ 4528.972898][ T73] ip6_route_input+0x59c/0xa50 [ 4528.972898][ T73] ipv6_rcv+0x397/0x810 [ 4528.972898][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4528.972898][ T73] process_backlog+0x101/0x620 [ 4528.972898][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4528.972898][ T73] net_rx_action+0x495/0xbe0 [ 4528.972898][ T73] __do_softirq+0x1b5/0x7f6 [ 4528.972898][ T73] [ 4528.974657][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.974657][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.974657][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.974657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.974657][ T73] ip6_route_add+0x1c/0x140 [ 4528.974657][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4528.974657][ T73] inet6_addr_add+0x4f8/0xa40 [ 4528.974657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.974657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.974657][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.974657][ T73] netlink_unicast+0x449/0x710 [ 4528.974657][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.974657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.974657][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.974657][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.974657][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.974657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.974657][ T73] [ 4528.976850][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.976850][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.976850][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.976850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.976850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4528.976850][ T73] ipv6_add_addr+0x411/0x2000 [ 4528.976850][ T73] inet6_addr_add+0x30e/0xa40 [ 4528.976850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.976850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.976850][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.976850][ T73] netlink_unicast+0x449/0x710 [ 4528.976850][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.976850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.976850][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.976850][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.976850][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.976850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.976850][ T73] [ 4528.979047][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.979047][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.979047][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.979047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.979047][ T73] ip6_route_add+0x1c/0x140 [ 4528.979047][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4528.979047][ T73] addrconf_add_dev+0xe2/0x170 [ 4528.979047][ T73] inet6_addr_add+0x12f/0xa40 [ 4528.979047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.979047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.979047][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.979047][ T73] netlink_unicast+0x449/0x710 [ 4528.979047][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.979047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.979047][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.979047][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.979047][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.979047][ T73] [ 4528.981290][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.981290][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4528.981290][ T73] ipv6_find_idev+0x102/0x170 [ 4528.981290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.981290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.981290][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.981290][ T73] netlink_unicast+0x449/0x710 [ 4528.981290][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.981290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.981290][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.981290][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.981290][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.981290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.981290][ T73] [ 4528.982941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4528.982941][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4528.982941][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4528.982941][ T73] ipv6_find_idev+0x102/0x170 [ 4528.982941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.982941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.982941][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.982941][ T73] netlink_unicast+0x449/0x710 [ 4528.982941][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.982941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.982941][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.982941][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.982941][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.982941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.982941][ T73] [ 4528.984814][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4528.985089][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4528.985089][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.985089][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.985089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.985089][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4528.985089][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4528.985089][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4528.985089][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4528.985089][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4528.985089][ T73] addrconf_dad_begin+0x310/0x670 [ 4528.985089][ T73] addrconf_dad_work+0x10b/0xab0 [ 4528.985089][ T73] process_one_work+0x84d/0x18a0 [ 4528.985089][ T73] worker_thread+0x587/0xd30 [ 4528.985089][ T73] kthread+0x28a/0x350 [ 4528.985089][ T73] ret_from_fork+0x31/0x70 [ 4528.985089][ T73] ret_from_fork_asm+0x1a/0x30 [ 4528.985089][ T73] [ 4528.987209][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4528.987209][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.987209][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.987209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.987209][ T73] ip6_route_add+0x1c/0x140 [ 4528.987209][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4528.987209][ T73] inet6_addr_add+0x4f8/0xa40 [ 4528.987209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.987209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.987209][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.987209][ T73] netlink_unicast+0x449/0x710 [ 4528.987209][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.987209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.987209][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.987209][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.987209][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.987209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.987209][ T73] [ 4528.989408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4528.989408][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.989408][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.989408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.989408][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4528.989408][ T73] ipv6_add_addr+0x411/0x2000 [ 4528.989408][ T73] inet6_addr_add+0x30e/0xa40 [ 4528.989408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.989408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.989408][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.989408][ T73] netlink_unicast+0x449/0x710 [ 4528.989408][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.989408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.989408][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.989408][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.989408][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.989408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.989408][ T73] [ 4528.991612][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4528.991612][ T73] netdev_get_by_index+0x5e/0x80 [ 4528.991612][ T73] fib6_nh_init+0x3d8/0x1580 [ 4528.991612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4528.991612][ T73] ip6_route_add+0x1c/0x140 [ 4528.991612][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4528.991612][ T73] addrconf_add_dev+0xe2/0x170 [ 4528.991612][ T73] inet6_addr_add+0x12f/0xa40 [ 4528.991612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4528.991612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.991612][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.991612][ T73] netlink_unicast+0x449/0x710 [ 4528.991612][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.991612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.991612][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.991612][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.991612][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.991612][ T73] [ 4528.993775][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4528.993775][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4528.993775][ T73] ipv6_find_idev+0x102/0x170 [ 4528.993775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.993775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.993775][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.993775][ T73] netlink_unicast+0x449/0x710 [ 4528.993775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.993775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.993775][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.993775][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.993775][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.993775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.993775][ T73] [ 4528.995429][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4528.995429][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4528.995429][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4528.995429][ T73] ipv6_find_idev+0x102/0x170 [ 4528.995429][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4528.995429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4528.995429][ T73] netlink_rcv_skb+0x130/0x360 [ 4528.995429][ T73] netlink_unicast+0x449/0x710 [ 4528.995429][ T73] netlink_sendmsg+0x723/0xbe0 [ 4528.995429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4528.995429][ T73] ___sys_sendmsg+0xee/0x170 [ 4528.995429][ T73] __sys_sendmsg+0xcd/0x170 [ 4528.995429][ T73] do_syscall_64+0xc6/0x1e0 [ 4528.995429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4528.995429][ T73] [ 4539.238918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4539.239407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.239407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4539.239407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4539.239407][ T73] fib6_nh_init+0xa22/0x1580 [ 4539.239407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.239407][ T73] ip6_route_add+0x1c/0x140 [ 4539.239407][ T73] inet6_rtm_newroute+0x104/0x110 [ 4539.239407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.239407][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.239407][ T73] netlink_unicast+0x449/0x710 [ 4539.239407][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.239407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.239407][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.239407][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.239407][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.239407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.239407][ T73] [ 4539.241426][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.241426][ T73] dst_init+0x84/0x4a0 [ 4539.241426][ T73] dst_alloc+0x97/0x150 [ 4539.241426][ T73] ip6_dst_alloc+0x23/0x90 [ 4539.241426][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4539.241426][ T73] ip6_pol_route+0x56f/0x840 [ 4539.241426][ T73] fib6_rule_lookup+0x456/0x630 [ 4539.241426][ T73] ip6_route_input+0x59c/0xa50 [ 4539.241426][ T73] ipv6_rcv+0x397/0x810 [ 4539.241426][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4539.241426][ T73] process_backlog+0x101/0x620 [ 4539.241426][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4539.241426][ T73] net_rx_action+0x495/0xbe0 [ 4539.241426][ T73] __do_softirq+0x1b5/0x7f6 [ 4539.241426][ T73] [ 4539.243074][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.243074][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.243074][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.243074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.243074][ T73] ip6_route_add+0x1c/0x140 [ 4539.243074][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4539.243074][ T73] inet6_addr_add+0x4f8/0xa40 [ 4539.243074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.243074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.243074][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.243074][ T73] netlink_unicast+0x449/0x710 [ 4539.243074][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.243074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.243074][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.243074][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.243074][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.243074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.243074][ T73] [ 4539.245100][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.245100][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.245100][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.245100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.245100][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4539.245100][ T73] ipv6_add_addr+0x411/0x2000 [ 4539.245100][ T73] inet6_addr_add+0x30e/0xa40 [ 4539.245100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.245100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.245100][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.245100][ T73] netlink_unicast+0x449/0x710 [ 4539.245100][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.245100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.245100][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.245100][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.245100][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.245100][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.245100][ T73] [ 4539.247109][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.247109][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.247109][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.247109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.247109][ T73] ip6_route_add+0x1c/0x140 [ 4539.247109][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4539.247109][ T73] addrconf_add_dev+0xe2/0x170 [ 4539.247109][ T73] inet6_addr_add+0x12f/0xa40 [ 4539.247109][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.247109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.247109][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.247109][ T73] netlink_unicast+0x449/0x710 [ 4539.247109][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.247109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.247109][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.247109][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.247109][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.247109][ T73] [ 4539.249097][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.249097][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4539.249097][ T73] ipv6_find_idev+0x102/0x170 [ 4539.249097][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.249097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.249097][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.249097][ T73] netlink_unicast+0x449/0x710 [ 4539.249097][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.249097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.249097][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.249097][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.249097][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.249097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.249097][ T73] [ 4539.250665][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4539.250665][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4539.250665][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4539.250665][ T73] ipv6_find_idev+0x102/0x170 [ 4539.250665][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.250665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.250665][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.250665][ T73] netlink_unicast+0x449/0x710 [ 4539.250665][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.250665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.250665][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.250665][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.250665][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.250665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.250665][ T73] [ 4539.252377][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4539.252656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.252656][ T73] dst_init+0x84/0x4a0 [ 4539.252656][ T73] dst_alloc+0x97/0x150 [ 4539.252656][ T73] ip6_dst_alloc+0x23/0x90 [ 4539.252656][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4539.252656][ T73] ip6_pol_route+0x56f/0x840 [ 4539.252656][ T73] fib6_rule_lookup+0x456/0x630 [ 4539.252656][ T73] ip6_route_input+0x59c/0xa50 [ 4539.252656][ T73] ipv6_rcv+0x397/0x810 [ 4539.252656][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4539.252656][ T73] process_backlog+0x101/0x620 [ 4539.252656][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4539.252656][ T73] net_rx_action+0x495/0xbe0 [ 4539.252656][ T73] __do_softirq+0x1b5/0x7f6 [ 4539.252656][ T73] [ 4539.254320][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.254320][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.254320][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.254320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.254320][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4539.254320][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4539.254320][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4539.254320][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4539.254320][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4539.254320][ T73] addrconf_dad_begin+0x310/0x670 [ 4539.254320][ T73] addrconf_dad_work+0x10b/0xab0 [ 4539.254320][ T73] process_one_work+0x84d/0x18a0 [ 4539.254320][ T73] worker_thread+0x587/0xd30 [ 4539.254320][ T73] kthread+0x28a/0x350 [ 4539.254320][ T73] ret_from_fork+0x31/0x70 [ 4539.254320][ T73] ret_from_fork_asm+0x1a/0x30 [ 4539.254320][ T73] [ 4539.256235][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.256235][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.256235][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.256235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.256235][ T73] ip6_route_add+0x1c/0x140 [ 4539.256235][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4539.256235][ T73] inet6_addr_add+0x4f8/0xa40 [ 4539.256235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.256235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.256235][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.256235][ T73] netlink_unicast+0x449/0x710 [ 4539.256235][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.256235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.256235][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.256235][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.256235][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.256235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.256235][ T73] [ 4539.258246][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.258246][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.258246][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.258246][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.258246][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4539.258246][ T73] ipv6_add_addr+0x411/0x2000 [ 4539.258246][ T73] inet6_addr_add+0x30e/0xa40 [ 4539.258246][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.258246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.258246][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.258246][ T73] netlink_unicast+0x449/0x710 [ 4539.258246][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.258246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.258246][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.258246][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.258246][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.258246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.258246][ T73] [ 4539.260256][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.260256][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.260256][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.260256][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.260256][ T73] ip6_route_add+0x1c/0x140 [ 4539.260256][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4539.260256][ T73] addrconf_add_dev+0xe2/0x170 [ 4539.260256][ T73] inet6_addr_add+0x12f/0xa40 [ 4539.260256][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.260256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.260256][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.260256][ T73] netlink_unicast+0x449/0x710 [ 4539.260256][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.260256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.260256][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.260256][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.260256][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.260256][ T73] [ 4539.262229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.262229][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4539.262229][ T73] ipv6_find_idev+0x102/0x170 [ 4539.262229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.262229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.262229][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.262229][ T73] netlink_unicast+0x449/0x710 [ 4539.262229][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.262229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.262229][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.262229][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.262229][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.262229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.262229][ T73] [ 4539.263775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4539.263775][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4539.263775][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4539.263775][ T73] ipv6_find_idev+0x102/0x170 [ 4539.263775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.263775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.263775][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.263775][ T73] netlink_unicast+0x449/0x710 [ 4539.263775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.263775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.263775][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.263775][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.263775][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.263775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.263775][ T73] [ 4539.265592][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4539.265880][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.265880][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4539.265880][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4539.265880][ T73] fib6_nh_init+0xa22/0x1580 [ 4539.265880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.265880][ T73] ip6_route_add+0x1c/0x140 [ 4539.265880][ T73] inet6_rtm_newroute+0x104/0x110 [ 4539.265880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.265880][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.265880][ T73] netlink_unicast+0x449/0x710 [ 4539.265880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.265880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.265880][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.265880][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.265880][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.265880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.265880][ T73] [ 4539.268010][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.268010][ T73] dst_init+0x84/0x4a0 [ 4539.268010][ T73] dst_alloc+0x97/0x150 [ 4539.268010][ T73] ip6_dst_alloc+0x23/0x90 [ 4539.268010][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4539.268010][ T73] ip6_pol_route+0x56f/0x840 [ 4539.268010][ T73] fib6_rule_lookup+0x456/0x630 [ 4539.268010][ T73] ip6_route_input+0x59c/0xa50 [ 4539.268010][ T73] ipv6_rcv+0x397/0x810 [ 4539.268010][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4539.268010][ T73] process_backlog+0x101/0x620 [ 4539.268010][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4539.268010][ T73] net_rx_action+0x495/0xbe0 [ 4539.268010][ T73] __do_softirq+0x1b5/0x7f6 [ 4539.268010][ T73] [ 4539.269849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.269849][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.269849][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.269849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.269849][ T73] ip6_route_add+0x1c/0x140 [ 4539.269849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4539.269849][ T73] inet6_addr_add+0x4f8/0xa40 [ 4539.269849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.269849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.269849][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.269849][ T73] netlink_unicast+0x449/0x710 [ 4539.269849][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.269849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.269849][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.269849][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.269849][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.269849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.269849][ T73] [ 4539.272160][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.272160][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.272160][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.272160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.272160][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4539.272160][ T73] ipv6_add_addr+0x411/0x2000 [ 4539.272160][ T73] inet6_addr_add+0x30e/0xa40 [ 4539.272160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.272160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.272160][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.272160][ T73] netlink_unicast+0x449/0x710 [ 4539.272160][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.272160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.272160][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.272160][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.272160][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.272160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.272160][ T73] [ 4539.274412][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.274412][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.274412][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.274412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.274412][ T73] ip6_route_add+0x1c/0x140 [ 4539.274412][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4539.274412][ T73] addrconf_add_dev+0xe2/0x170 [ 4539.274412][ T73] inet6_addr_add+0x12f/0xa40 [ 4539.274412][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.274412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.274412][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.274412][ T73] netlink_unicast+0x449/0x710 [ 4539.274412][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.274412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.274412][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.274412][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.274412][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.274412][ T73] [ 4539.276563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.276563][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4539.276563][ T73] ipv6_find_idev+0x102/0x170 [ 4539.276563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.276563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.276563][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.276563][ T73] netlink_unicast+0x449/0x710 [ 4539.276563][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.276563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.276563][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.276563][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.276563][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.276563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.276563][ T73] [ 4539.278287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4539.278287][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4539.278287][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4539.278287][ T73] ipv6_find_idev+0x102/0x170 [ 4539.278287][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.278287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.278287][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.278287][ T73] netlink_unicast+0x449/0x710 [ 4539.278287][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.278287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.278287][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.278287][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.278287][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.278287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.278287][ T73] [ 4539.280303][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4539.280575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4539.280575][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.280575][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.280575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.280575][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4539.280575][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4539.280575][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4539.280575][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4539.280575][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4539.280575][ T73] addrconf_dad_begin+0x310/0x670 [ 4539.280575][ T73] addrconf_dad_work+0x10b/0xab0 [ 4539.280575][ T73] process_one_work+0x84d/0x18a0 [ 4539.280575][ T73] worker_thread+0x587/0xd30 [ 4539.280575][ T73] kthread+0x28a/0x350 [ 4539.280575][ T73] ret_from_fork+0x31/0x70 [ 4539.280575][ T73] ret_from_fork_asm+0x1a/0x30 [ 4539.280575][ T73] [ 4539.282742][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4539.282742][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.282742][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.282742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.282742][ T73] ip6_route_add+0x1c/0x140 [ 4539.282742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4539.282742][ T73] inet6_addr_add+0x4f8/0xa40 [ 4539.282742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.282742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.282742][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.282742][ T73] netlink_unicast+0x449/0x710 [ 4539.282742][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.282742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.282742][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.282742][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.282742][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.282742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.282742][ T73] [ 4539.284988][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4539.284988][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.284988][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.284988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.284988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4539.284988][ T73] ipv6_add_addr+0x411/0x2000 [ 4539.284988][ T73] inet6_addr_add+0x30e/0xa40 [ 4539.284988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.284988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.284988][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.284988][ T73] netlink_unicast+0x449/0x710 [ 4539.284988][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.284988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.284988][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.284988][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.284988][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.284988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.284988][ T73] [ 4539.287174][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4539.287174][ T73] netdev_get_by_index+0x5e/0x80 [ 4539.287174][ T73] fib6_nh_init+0x3d8/0x1580 [ 4539.287174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4539.287174][ T73] ip6_route_add+0x1c/0x140 [ 4539.287174][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4539.287174][ T73] addrconf_add_dev+0xe2/0x170 [ 4539.287174][ T73] inet6_addr_add+0x12f/0xa40 [ 4539.287174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.287174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.287174][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.287174][ T73] netlink_unicast+0x449/0x710 [ 4539.287174][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.287174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.287174][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.287174][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.287174][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.287174][ T73] [ 4539.289392][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4539.289392][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4539.289392][ T73] ipv6_find_idev+0x102/0x170 [ 4539.289392][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.289392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.289392][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.289392][ T73] netlink_unicast+0x449/0x710 [ 4539.289392][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.289392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.289392][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.289392][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.289392][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.289392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.289392][ T73] [ 4539.291194][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4539.291194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4539.291194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4539.291194][ T73] ipv6_find_idev+0x102/0x170 [ 4539.291194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.291194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.291194][ T73] netlink_rcv_skb+0x130/0x360 [ 4539.291194][ T73] netlink_unicast+0x449/0x710 [ 4539.291194][ T73] netlink_sendmsg+0x723/0xbe0 [ 4539.291194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4539.291194][ T73] ___sys_sendmsg+0xee/0x170 [ 4539.291194][ T73] __sys_sendmsg+0xcd/0x170 [ 4539.291194][ T73] do_syscall_64+0xc6/0x1e0 [ 4539.291194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.291194][ T73] [ 4549.534878][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4549.535355][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.535355][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4549.535355][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4549.535355][ T73] fib6_nh_init+0xa22/0x1580 [ 4549.535355][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.535355][ T73] ip6_route_add+0x1c/0x140 [ 4549.535355][ T73] inet6_rtm_newroute+0x104/0x110 [ 4549.535355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.535355][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.535355][ T73] netlink_unicast+0x449/0x710 [ 4549.535355][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.535355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.535355][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.535355][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.535355][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.535355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.535355][ T73] [ 4549.537266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.537266][ T73] dst_init+0x84/0x4a0 [ 4549.537266][ T73] dst_alloc+0x97/0x150 [ 4549.537266][ T73] ip6_dst_alloc+0x23/0x90 [ 4549.537266][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4549.537266][ T73] ip6_pol_route+0x56f/0x840 [ 4549.537266][ T73] fib6_rule_lookup+0x456/0x630 [ 4549.537266][ T73] ip6_route_input+0x59c/0xa50 [ 4549.537266][ T73] ipv6_rcv+0x397/0x810 [ 4549.537266][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4549.537266][ T73] process_backlog+0x101/0x620 [ 4549.537266][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4549.537266][ T73] net_rx_action+0x495/0xbe0 [ 4549.537266][ T73] __do_softirq+0x1b5/0x7f6 [ 4549.537266][ T73] [ 4549.538930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.538930][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.538930][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.538930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.538930][ T73] ip6_route_add+0x1c/0x140 [ 4549.538930][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4549.538930][ T73] inet6_addr_add+0x4f8/0xa40 [ 4549.538930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.538930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.538930][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.538930][ T73] netlink_unicast+0x449/0x710 [ 4549.538930][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.538930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.538930][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.538930][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.538930][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.538930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.538930][ T73] [ 4549.540950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.540950][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.540950][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.540950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.540950][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4549.540950][ T73] ipv6_add_addr+0x411/0x2000 [ 4549.540950][ T73] inet6_addr_add+0x30e/0xa40 [ 4549.540950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.540950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.540950][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.540950][ T73] netlink_unicast+0x449/0x710 [ 4549.540950][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.540950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.540950][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.540950][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.540950][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.540950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.540950][ T73] [ 4549.542965][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.542965][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.542965][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.542965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.542965][ T73] ip6_route_add+0x1c/0x140 [ 4549.542965][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4549.542965][ T73] addrconf_add_dev+0xe2/0x170 [ 4549.542965][ T73] inet6_addr_add+0x12f/0xa40 [ 4549.542965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.542965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.542965][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.542965][ T73] netlink_unicast+0x449/0x710 [ 4549.542965][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.542965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.542965][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.542965][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.542965][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.542965][ T73] [ 4549.544944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.544944][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4549.544944][ T73] ipv6_find_idev+0x102/0x170 [ 4549.544944][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.544944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.544944][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.544944][ T73] netlink_unicast+0x449/0x710 [ 4549.544944][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.544944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.544944][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.544944][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.544944][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.544944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.544944][ T73] [ 4549.546490][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4549.546490][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4549.546490][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4549.546490][ T73] ipv6_find_idev+0x102/0x170 [ 4549.546490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.546490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.546490][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.546490][ T73] netlink_unicast+0x449/0x710 [ 4549.546490][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.546490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.546490][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.546490][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.546490][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.546490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.546490][ T73] [ 4549.548196][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4549.548477][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.548477][ T73] dst_init+0x84/0x4a0 [ 4549.548477][ T73] dst_alloc+0x97/0x150 [ 4549.548477][ T73] ip6_dst_alloc+0x23/0x90 [ 4549.548477][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4549.548477][ T73] ip6_pol_route+0x56f/0x840 [ 4549.548477][ T73] fib6_rule_lookup+0x456/0x630 [ 4549.548477][ T73] ip6_route_input+0x59c/0xa50 [ 4549.548477][ T73] ipv6_rcv+0x397/0x810 [ 4549.548477][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4549.548477][ T73] process_backlog+0x101/0x620 [ 4549.548477][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4549.548477][ T73] net_rx_action+0x495/0xbe0 [ 4549.548477][ T73] __do_softirq+0x1b5/0x7f6 [ 4549.548477][ T73] [ 4549.550143][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.550143][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.550143][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.550143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.550143][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4549.550143][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4549.550143][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4549.550143][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4549.550143][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4549.550143][ T73] addrconf_dad_begin+0x310/0x670 [ 4549.550143][ T73] addrconf_dad_work+0x10b/0xab0 [ 4549.550143][ T73] process_one_work+0x84d/0x18a0 [ 4549.550143][ T73] worker_thread+0x587/0xd30 [ 4549.550143][ T73] kthread+0x28a/0x350 [ 4549.550143][ T73] ret_from_fork+0x31/0x70 [ 4549.550143][ T73] ret_from_fork_asm+0x1a/0x30 [ 4549.550143][ T73] [ 4549.552072][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.552072][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.552072][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.552072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.552072][ T73] ip6_route_add+0x1c/0x140 [ 4549.552072][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4549.552072][ T73] inet6_addr_add+0x4f8/0xa40 [ 4549.552072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.552072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.552072][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.552072][ T73] netlink_unicast+0x449/0x710 [ 4549.552072][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.552072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.552072][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.552072][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.552072][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.552072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.552072][ T73] [ 4549.554132][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.554132][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.554132][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.554132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.554132][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4549.554132][ T73] ipv6_add_addr+0x411/0x2000 [ 4549.554132][ T73] inet6_addr_add+0x30e/0xa40 [ 4549.554132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.554132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.554132][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.554132][ T73] netlink_unicast+0x449/0x710 [ 4549.554132][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.554132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.554132][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.554132][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.554132][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.554132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.554132][ T73] [ 4549.556141][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.556141][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.556141][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.556141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.556141][ T73] ip6_route_add+0x1c/0x140 [ 4549.556141][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4549.556141][ T73] addrconf_add_dev+0xe2/0x170 [ 4549.556141][ T73] inet6_addr_add+0x12f/0xa40 [ 4549.556141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.556141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.556141][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.556141][ T73] netlink_unicast+0x449/0x710 [ 4549.556141][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.556141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.556141][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.556141][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.556141][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.556141][ T73] [ 4549.558110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.558110][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4549.558110][ T73] ipv6_find_idev+0x102/0x170 [ 4549.558110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.558110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.558110][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.558110][ T73] netlink_unicast+0x449/0x710 [ 4549.558110][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.558110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.558110][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.558110][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.558110][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.558110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.558110][ T73] [ 4549.559690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4549.559690][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4549.559690][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4549.559690][ T73] ipv6_find_idev+0x102/0x170 [ 4549.559690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.559690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.559690][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.559690][ T73] netlink_unicast+0x449/0x710 [ 4549.559690][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.559690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.559690][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.559690][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.559690][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.559690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.559690][ T73] [ 4549.561514][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4549.561802][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.561802][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4549.561802][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4549.561802][ T73] fib6_nh_init+0xa22/0x1580 [ 4549.561802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.561802][ T73] ip6_route_add+0x1c/0x140 [ 4549.561802][ T73] inet6_rtm_newroute+0x104/0x110 [ 4549.561802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.561802][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.561802][ T73] netlink_unicast+0x449/0x710 [ 4549.561802][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.561802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.561802][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.561802][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.561802][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.561802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.561802][ T73] [ 4549.564004][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.564004][ T73] dst_init+0x84/0x4a0 [ 4549.564004][ T73] dst_alloc+0x97/0x150 [ 4549.564004][ T73] ip6_dst_alloc+0x23/0x90 [ 4549.564004][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4549.564004][ T73] ip6_pol_route+0x56f/0x840 [ 4549.564004][ T73] fib6_rule_lookup+0x456/0x630 [ 4549.564004][ T73] ip6_route_input+0x59c/0xa50 [ 4549.564004][ T73] ipv6_rcv+0x397/0x810 [ 4549.564004][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4549.564004][ T73] process_backlog+0x101/0x620 [ 4549.564004][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4549.564004][ T73] net_rx_action+0x495/0xbe0 [ 4549.564004][ T73] __do_softirq+0x1b5/0x7f6 [ 4549.564004][ T73] [ 4549.565819][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.565819][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.565819][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.565819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.565819][ T73] ip6_route_add+0x1c/0x140 [ 4549.565819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4549.565819][ T73] inet6_addr_add+0x4f8/0xa40 [ 4549.565819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.565819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.565819][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.565819][ T73] netlink_unicast+0x449/0x710 [ 4549.565819][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.565819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.565819][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.565819][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.565819][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.565819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.565819][ T73] [ 4549.568066][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.568066][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.568066][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.568066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.568066][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4549.568066][ T73] ipv6_add_addr+0x411/0x2000 [ 4549.568066][ T73] inet6_addr_add+0x30e/0xa40 [ 4549.568066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.568066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.568066][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.568066][ T73] netlink_unicast+0x449/0x710 [ 4549.568066][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.568066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.568066][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.568066][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.568066][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.568066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.568066][ T73] [ 4549.570315][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.570315][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.570315][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.570315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.570315][ T73] ip6_route_add+0x1c/0x140 [ 4549.570315][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4549.570315][ T73] addrconf_add_dev+0xe2/0x170 [ 4549.570315][ T73] inet6_addr_add+0x12f/0xa40 [ 4549.570315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.570315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.570315][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.570315][ T73] netlink_unicast+0x449/0x710 [ 4549.570315][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.570315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.570315][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.570315][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.570315][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.570315][ T73] [ 4549.572529][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.572529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4549.572529][ T73] ipv6_find_idev+0x102/0x170 [ 4549.572529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.572529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.572529][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.572529][ T73] netlink_unicast+0x449/0x710 [ 4549.572529][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.572529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.572529][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.572529][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.572529][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.572529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.572529][ T73] [ 4549.574272][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4549.574272][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4549.574272][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4549.574272][ T73] ipv6_find_idev+0x102/0x170 [ 4549.574272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.574272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.574272][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.574272][ T73] netlink_unicast+0x449/0x710 [ 4549.574272][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.574272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.574272][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.574272][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.574272][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.574272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.574272][ T73] [ 4549.576215][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4549.576488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4549.576488][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.576488][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.576488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.576488][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4549.576488][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4549.576488][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4549.576488][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4549.576488][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4549.576488][ T73] addrconf_dad_begin+0x310/0x670 [ 4549.576488][ T73] addrconf_dad_work+0x10b/0xab0 [ 4549.576488][ T73] process_one_work+0x84d/0x18a0 [ 4549.576488][ T73] worker_thread+0x587/0xd30 [ 4549.576488][ T73] kthread+0x28a/0x350 [ 4549.576488][ T73] ret_from_fork+0x31/0x70 [ 4549.576488][ T73] ret_from_fork_asm+0x1a/0x30 [ 4549.576488][ T73] [ 4549.578647][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4549.578647][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.578647][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.578647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.578647][ T73] ip6_route_add+0x1c/0x140 [ 4549.578647][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4549.578647][ T73] inet6_addr_add+0x4f8/0xa40 [ 4549.578647][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.578647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.578647][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.578647][ T73] netlink_unicast+0x449/0x710 [ 4549.578647][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.578647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.578647][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.578647][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.578647][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.578647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.578647][ T73] [ 4549.580905][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4549.580905][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.580905][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.580905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.580905][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4549.580905][ T73] ipv6_add_addr+0x411/0x2000 [ 4549.580905][ T73] inet6_addr_add+0x30e/0xa40 [ 4549.580905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.580905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.580905][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.580905][ T73] netlink_unicast+0x449/0x710 [ 4549.580905][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.580905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.580905][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.580905][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.580905][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.580905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.580905][ T73] [ 4549.583158][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4549.583158][ T73] netdev_get_by_index+0x5e/0x80 [ 4549.583158][ T73] fib6_nh_init+0x3d8/0x1580 [ 4549.583158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4549.583158][ T73] ip6_route_add+0x1c/0x140 [ 4549.583158][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4549.583158][ T73] addrconf_add_dev+0xe2/0x170 [ 4549.583158][ T73] inet6_addr_add+0x12f/0xa40 [ 4549.583158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.583158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.583158][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.583158][ T73] netlink_unicast+0x449/0x710 [ 4549.583158][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.583158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.583158][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.583158][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.583158][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.583158][ T73] [ 4549.585380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4549.585380][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4549.585380][ T73] ipv6_find_idev+0x102/0x170 [ 4549.585380][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.585380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.585380][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.585380][ T73] netlink_unicast+0x449/0x710 [ 4549.585380][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.585380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.585380][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.585380][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.585380][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.585380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.585380][ T73] [ 4549.587102][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4549.587102][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4549.587102][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4549.587102][ T73] ipv6_find_idev+0x102/0x170 [ 4549.587102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.587102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.587102][ T73] netlink_rcv_skb+0x130/0x360 [ 4549.587102][ T73] netlink_unicast+0x449/0x710 [ 4549.587102][ T73] netlink_sendmsg+0x723/0xbe0 [ 4549.587102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4549.587102][ T73] ___sys_sendmsg+0xee/0x170 [ 4549.587102][ T73] __sys_sendmsg+0xcd/0x170 [ 4549.587102][ T73] do_syscall_64+0xc6/0x1e0 [ 4549.587102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.587102][ T73] [ 4559.830933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4559.831402][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.831402][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4559.831402][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4559.831402][ T73] fib6_nh_init+0xa22/0x1580 [ 4559.831402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.831402][ T73] ip6_route_add+0x1c/0x140 [ 4559.831402][ T73] inet6_rtm_newroute+0x104/0x110 [ 4559.831402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.831402][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.831402][ T73] netlink_unicast+0x449/0x710 [ 4559.831402][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.831402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.831402][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.831402][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.831402][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.831402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.831402][ T73] [ 4559.833305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.833305][ T73] dst_init+0x84/0x4a0 [ 4559.833305][ T73] dst_alloc+0x97/0x150 [ 4559.833305][ T73] ip6_dst_alloc+0x23/0x90 [ 4559.833305][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4559.833305][ T73] ip6_pol_route+0x56f/0x840 [ 4559.833305][ T73] fib6_rule_lookup+0x456/0x630 [ 4559.833305][ T73] ip6_route_input+0x59c/0xa50 [ 4559.833305][ T73] ipv6_rcv+0x397/0x810 [ 4559.833305][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4559.833305][ T73] process_backlog+0x101/0x620 [ 4559.833305][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4559.833305][ T73] net_rx_action+0x495/0xbe0 [ 4559.833305][ T73] __do_softirq+0x1b5/0x7f6 [ 4559.833305][ T73] [ 4559.834946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.834946][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.834946][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.834946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.834946][ T73] ip6_route_add+0x1c/0x140 [ 4559.834946][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4559.834946][ T73] inet6_addr_add+0x4f8/0xa40 [ 4559.834946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.834946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.834946][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.834946][ T73] netlink_unicast+0x449/0x710 [ 4559.834946][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.834946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.834946][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.834946][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.834946][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.834946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.834946][ T73] [ 4559.836959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.836959][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.836959][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.836959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.836959][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4559.836959][ T73] ipv6_add_addr+0x411/0x2000 [ 4559.836959][ T73] inet6_addr_add+0x30e/0xa40 [ 4559.836959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.836959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.836959][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.836959][ T73] netlink_unicast+0x449/0x710 [ 4559.836959][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.836959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.836959][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.836959][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.836959][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.836959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.836959][ T73] [ 4559.838966][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.838966][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.838966][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.838966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.838966][ T73] ip6_route_add+0x1c/0x140 [ 4559.838966][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4559.838966][ T73] addrconf_add_dev+0xe2/0x170 [ 4559.838966][ T73] inet6_addr_add+0x12f/0xa40 [ 4559.838966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.838966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.838966][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.838966][ T73] netlink_unicast+0x449/0x710 [ 4559.838966][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.838966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.838966][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.838966][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.838966][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.838966][ T73] [ 4559.840950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.840950][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4559.840950][ T73] ipv6_find_idev+0x102/0x170 [ 4559.840950][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.840950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.840950][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.840950][ T73] netlink_unicast+0x449/0x710 [ 4559.840950][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.840950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.840950][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.840950][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.840950][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.840950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.840950][ T73] [ 4559.842495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4559.842495][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4559.842495][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4559.842495][ T73] ipv6_find_idev+0x102/0x170 [ 4559.842495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.842495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.842495][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.842495][ T73] netlink_unicast+0x449/0x710 [ 4559.842495][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.842495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.842495][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.842495][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.842495][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.842495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.842495][ T73] [ 4559.844214][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4559.844488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.844488][ T73] dst_init+0x84/0x4a0 [ 4559.844488][ T73] dst_alloc+0x97/0x150 [ 4559.844488][ T73] ip6_dst_alloc+0x23/0x90 [ 4559.844488][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4559.844488][ T73] ip6_pol_route+0x56f/0x840 [ 4559.844488][ T73] fib6_rule_lookup+0x456/0x630 [ 4559.844488][ T73] ip6_route_input+0x59c/0xa50 [ 4559.844488][ T73] ipv6_rcv+0x397/0x810 [ 4559.844488][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4559.844488][ T73] process_backlog+0x101/0x620 [ 4559.844488][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4559.844488][ T73] net_rx_action+0x495/0xbe0 [ 4559.844488][ T73] __do_softirq+0x1b5/0x7f6 [ 4559.844488][ T73] [ 4559.846131][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.846131][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.846131][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.846131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.846131][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4559.846131][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4559.846131][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4559.846131][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4559.846131][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4559.846131][ T73] addrconf_dad_begin+0x310/0x670 [ 4559.846131][ T73] addrconf_dad_work+0x10b/0xab0 [ 4559.846131][ T73] process_one_work+0x84d/0x18a0 [ 4559.846131][ T73] worker_thread+0x587/0xd30 [ 4559.846131][ T73] kthread+0x28a/0x350 [ 4559.846131][ T73] ret_from_fork+0x31/0x70 [ 4559.846131][ T73] ret_from_fork_asm+0x1a/0x30 [ 4559.846131][ T73] [ 4559.848046][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.848046][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.848046][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.848046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.848046][ T73] ip6_route_add+0x1c/0x140 [ 4559.848046][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4559.848046][ T73] inet6_addr_add+0x4f8/0xa40 [ 4559.848046][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.848046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.848046][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.848046][ T73] netlink_unicast+0x449/0x710 [ 4559.848046][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.848046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.848046][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.848046][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.848046][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.848046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.848046][ T73] [ 4559.850053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.850053][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.850053][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.850053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.850053][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4559.850053][ T73] ipv6_add_addr+0x411/0x2000 [ 4559.850053][ T73] inet6_addr_add+0x30e/0xa40 [ 4559.850053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.850053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.850053][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.850053][ T73] netlink_unicast+0x449/0x710 [ 4559.850053][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.850053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.850053][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.850053][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.850053][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.850053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.850053][ T73] [ 4559.852058][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.852058][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.852058][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.852058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.852058][ T73] ip6_route_add+0x1c/0x140 [ 4559.852058][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4559.852058][ T73] addrconf_add_dev+0xe2/0x170 [ 4559.852058][ T73] inet6_addr_add+0x12f/0xa40 [ 4559.852058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.852058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.852058][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.852058][ T73] netlink_unicast+0x449/0x710 [ 4559.852058][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.852058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.852058][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.852058][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.852058][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.852058][ T73] [ 4559.854021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.854021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4559.854021][ T73] ipv6_find_idev+0x102/0x170 [ 4559.854021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.854021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.854021][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.854021][ T73] netlink_unicast+0x449/0x710 [ 4559.854021][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.854021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.854021][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.854021][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.854021][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.854021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.854021][ T73] [ 4559.855576][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4559.855576][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4559.855576][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4559.855576][ T73] ipv6_find_idev+0x102/0x170 [ 4559.855576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.855576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.855576][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.855576][ T73] netlink_unicast+0x449/0x710 [ 4559.855576][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.855576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.855576][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.855576][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.855576][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.855576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.855576][ T73] [ 4559.857396][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4559.857663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.857663][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4559.857663][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4559.857663][ T73] fib6_nh_init+0xa22/0x1580 [ 4559.857663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.857663][ T73] ip6_route_add+0x1c/0x140 [ 4559.857663][ T73] inet6_rtm_newroute+0x104/0x110 [ 4559.857663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.857663][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.857663][ T73] netlink_unicast+0x449/0x710 [ 4559.857663][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.857663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.857663][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.857663][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.857663][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.857663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.857663][ T73] [ 4559.859852][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.859852][ T73] dst_init+0x84/0x4a0 [ 4559.859852][ T73] dst_alloc+0x97/0x150 [ 4559.859852][ T73] ip6_dst_alloc+0x23/0x90 [ 4559.859852][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4559.859852][ T73] ip6_pol_route+0x56f/0x840 [ 4559.859852][ T73] fib6_rule_lookup+0x456/0x630 [ 4559.859852][ T73] ip6_route_input+0x59c/0xa50 [ 4559.859852][ T73] ipv6_rcv+0x397/0x810 [ 4559.859852][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4559.859852][ T73] process_backlog+0x101/0x620 [ 4559.859852][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4559.859852][ T73] net_rx_action+0x495/0xbe0 [ 4559.859852][ T73] __do_softirq+0x1b5/0x7f6 [ 4559.859852][ T73] [ 4559.861673][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.861673][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.861673][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.861673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.861673][ T73] ip6_route_add+0x1c/0x140 [ 4559.861673][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4559.861673][ T73] inet6_addr_add+0x4f8/0xa40 [ 4559.861673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.861673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.861673][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.861673][ T73] netlink_unicast+0x449/0x710 [ 4559.861673][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.861673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.861673][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.861673][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.861673][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.861673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.861673][ T73] [ 4559.863919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.863919][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.863919][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.863919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.863919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4559.863919][ T73] ipv6_add_addr+0x411/0x2000 [ 4559.863919][ T73] inet6_addr_add+0x30e/0xa40 [ 4559.863919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.863919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.863919][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.863919][ T73] netlink_unicast+0x449/0x710 [ 4559.863919][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.863919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.863919][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.863919][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.863919][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.863919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.863919][ T73] [ 4559.866160][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.866160][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.866160][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.866160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.866160][ T73] ip6_route_add+0x1c/0x140 [ 4559.866160][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4559.866160][ T73] addrconf_add_dev+0xe2/0x170 [ 4559.866160][ T73] inet6_addr_add+0x12f/0xa40 [ 4559.866160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.866160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.866160][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.866160][ T73] netlink_unicast+0x449/0x710 [ 4559.866160][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.866160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.866160][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.866160][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.866160][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.866160][ T73] [ 4559.868370][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.868370][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4559.868370][ T73] ipv6_find_idev+0x102/0x170 [ 4559.868370][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.868370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.868370][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.868370][ T73] netlink_unicast+0x449/0x710 [ 4559.868370][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.868370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.868370][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.868370][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.868370][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.868370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.868370][ T73] [ 4559.870104][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4559.870104][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4559.870104][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4559.870104][ T73] ipv6_find_idev+0x102/0x170 [ 4559.870104][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.870104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.870104][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.870104][ T73] netlink_unicast+0x449/0x710 [ 4559.870104][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.870104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.870104][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.870104][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.870104][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.870104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.870104][ T73] [ 4559.872556][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4559.873261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4559.873261][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.873261][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.873261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.873261][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4559.873261][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4559.873261][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4559.873261][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4559.873261][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4559.873261][ T73] addrconf_dad_begin+0x310/0x670 [ 4559.873261][ T73] addrconf_dad_work+0x10b/0xab0 [ 4559.873261][ T73] process_one_work+0x84d/0x18a0 [ 4559.873261][ T73] worker_thread+0x587/0xd30 [ 4559.873261][ T73] kthread+0x28a/0x350 [ 4559.873261][ T73] ret_from_fork+0x31/0x70 [ 4559.873261][ T73] ret_from_fork_asm+0x1a/0x30 [ 4559.873261][ T73] [ 4559.875167][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4559.875167][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.875167][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.875167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.875167][ T73] ip6_route_add+0x1c/0x140 [ 4559.875167][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4559.875167][ T73] inet6_addr_add+0x4f8/0xa40 [ 4559.875167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.875167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.875167][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.875167][ T73] netlink_unicast+0x449/0x710 [ 4559.875167][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.875167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.875167][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.875167][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.875167][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.875167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.875167][ T73] [ 4559.877286][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4559.877286][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.877286][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.877286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.877286][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4559.877286][ T73] ipv6_add_addr+0x411/0x2000 [ 4559.877286][ T73] inet6_addr_add+0x30e/0xa40 [ 4559.877286][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.877286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.877286][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.877286][ T73] netlink_unicast+0x449/0x710 [ 4559.877286][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.877286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.877286][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.877286][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.877286][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.877286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.877286][ T73] [ 4559.879469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4559.879469][ T73] netdev_get_by_index+0x5e/0x80 [ 4559.879469][ T73] fib6_nh_init+0x3d8/0x1580 [ 4559.879469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4559.879469][ T73] ip6_route_add+0x1c/0x140 [ 4559.879469][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4559.879469][ T73] addrconf_add_dev+0xe2/0x170 [ 4559.879469][ T73] inet6_addr_add+0x12f/0xa40 [ 4559.879469][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4559.879469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.879469][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.879469][ T73] netlink_unicast+0x449/0x710 [ 4559.879469][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.879469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.879469][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.879469][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.879469][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.879469][ T73] [ 4559.881734][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4559.881734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4559.881734][ T73] ipv6_find_idev+0x102/0x170 [ 4559.881734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.881734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.881734][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.881734][ T73] netlink_unicast+0x449/0x710 [ 4559.881734][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.881734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.881734][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.881734][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.881734][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.881734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.881734][ T73] [ 4559.883843][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4559.883843][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4559.883843][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4559.883843][ T73] ipv6_find_idev+0x102/0x170 [ 4559.883843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4559.883843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4559.883843][ T73] netlink_rcv_skb+0x130/0x360 [ 4559.883843][ T73] netlink_unicast+0x449/0x710 [ 4559.883843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4559.883843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4559.883843][ T73] ___sys_sendmsg+0xee/0x170 [ 4559.883843][ T73] __sys_sendmsg+0xcd/0x170 [ 4559.883843][ T73] do_syscall_64+0xc6/0x1e0 [ 4559.883843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4559.883843][ T73] [ 4570.126933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4570.127401][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.127401][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4570.127401][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4570.127401][ T73] fib6_nh_init+0xa22/0x1580 [ 4570.127401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.127401][ T73] ip6_route_add+0x1c/0x140 [ 4570.127401][ T73] inet6_rtm_newroute+0x104/0x110 [ 4570.127401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.127401][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.127401][ T73] netlink_unicast+0x449/0x710 [ 4570.127401][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.127401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.127401][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.127401][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.127401][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.127401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.127401][ T73] [ 4570.129301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.129301][ T73] dst_init+0x84/0x4a0 [ 4570.129301][ T73] dst_alloc+0x97/0x150 [ 4570.129301][ T73] ip6_dst_alloc+0x23/0x90 [ 4570.129301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4570.129301][ T73] ip6_pol_route+0x56f/0x840 [ 4570.129301][ T73] fib6_rule_lookup+0x456/0x630 [ 4570.129301][ T73] ip6_route_input+0x59c/0xa50 [ 4570.129301][ T73] ipv6_rcv+0x397/0x810 [ 4570.129301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4570.129301][ T73] process_backlog+0x101/0x620 [ 4570.129301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4570.129301][ T73] net_rx_action+0x495/0xbe0 [ 4570.129301][ T73] __do_softirq+0x1b5/0x7f6 [ 4570.129301][ T73] [ 4570.130963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.130963][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.130963][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.130963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.130963][ T73] ip6_route_add+0x1c/0x140 [ 4570.130963][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4570.130963][ T73] inet6_addr_add+0x4f8/0xa40 [ 4570.130963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.130963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.130963][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.130963][ T73] netlink_unicast+0x449/0x710 [ 4570.130963][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.130963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.130963][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.130963][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.130963][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.130963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.130963][ T73] [ 4570.132981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.132981][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.132981][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.132981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.132981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4570.132981][ T73] ipv6_add_addr+0x411/0x2000 [ 4570.132981][ T73] inet6_addr_add+0x30e/0xa40 [ 4570.132981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.132981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.132981][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.132981][ T73] netlink_unicast+0x449/0x710 [ 4570.132981][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.132981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.132981][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.132981][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.132981][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.132981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.132981][ T73] [ 4570.134991][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.134991][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.134991][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.134991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.134991][ T73] ip6_route_add+0x1c/0x140 [ 4570.134991][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4570.134991][ T73] addrconf_add_dev+0xe2/0x170 [ 4570.134991][ T73] inet6_addr_add+0x12f/0xa40 [ 4570.134991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.134991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.134991][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.134991][ T73] netlink_unicast+0x449/0x710 [ 4570.134991][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.134991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.134991][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.134991][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.134991][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.134991][ T73] [ 4570.136974][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.136974][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4570.136974][ T73] ipv6_find_idev+0x102/0x170 [ 4570.136974][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.136974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.136974][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.136974][ T73] netlink_unicast+0x449/0x710 [ 4570.136974][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.136974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.136974][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.136974][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.136974][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.136974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.136974][ T73] [ 4570.138903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4570.138903][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4570.138903][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4570.138903][ T73] ipv6_find_idev+0x102/0x170 [ 4570.138903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.138903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.138903][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.138903][ T73] netlink_unicast+0x449/0x710 [ 4570.138903][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.138903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.138903][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.138903][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.138903][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.138903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.138903][ T73] [ 4570.140633][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4570.140925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.140925][ T73] dst_init+0x84/0x4a0 [ 4570.140925][ T73] dst_alloc+0x97/0x150 [ 4570.140925][ T73] ip6_dst_alloc+0x23/0x90 [ 4570.140925][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4570.140925][ T73] ip6_pol_route+0x56f/0x840 [ 4570.140925][ T73] fib6_rule_lookup+0x456/0x630 [ 4570.140925][ T73] ip6_route_input+0x59c/0xa50 [ 4570.140925][ T73] ipv6_rcv+0x397/0x810 [ 4570.140925][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4570.140925][ T73] process_backlog+0x101/0x620 [ 4570.140925][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4570.140925][ T73] net_rx_action+0x495/0xbe0 [ 4570.140925][ T73] __do_softirq+0x1b5/0x7f6 [ 4570.140925][ T73] [ 4570.142578][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.142578][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.142578][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.142578][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.142578][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4570.142578][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4570.142578][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4570.142578][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4570.142578][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4570.142578][ T73] addrconf_dad_begin+0x310/0x670 [ 4570.142578][ T73] addrconf_dad_work+0x10b/0xab0 [ 4570.142578][ T73] process_one_work+0x84d/0x18a0 [ 4570.142578][ T73] worker_thread+0x587/0xd30 [ 4570.142578][ T73] kthread+0x28a/0x350 [ 4570.142578][ T73] ret_from_fork+0x31/0x70 [ 4570.142578][ T73] ret_from_fork_asm+0x1a/0x30 [ 4570.142578][ T73] [ 4570.144488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.144488][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.144488][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.144488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.144488][ T73] ip6_route_add+0x1c/0x140 [ 4570.144488][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4570.144488][ T73] inet6_addr_add+0x4f8/0xa40 [ 4570.144488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.144488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.144488][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.144488][ T73] netlink_unicast+0x449/0x710 [ 4570.144488][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.144488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.144488][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.144488][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.144488][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.144488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.144488][ T73] [ 4570.146498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.146498][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.146498][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.146498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.146498][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4570.146498][ T73] ipv6_add_addr+0x411/0x2000 [ 4570.146498][ T73] inet6_addr_add+0x30e/0xa40 [ 4570.146498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.146498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.146498][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.146498][ T73] netlink_unicast+0x449/0x710 [ 4570.146498][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.146498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.146498][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.146498][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.146498][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.146498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.146498][ T73] [ 4570.148551][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.148551][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.148551][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.148551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.148551][ T73] ip6_route_add+0x1c/0x140 [ 4570.148551][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4570.148551][ T73] addrconf_add_dev+0xe2/0x170 [ 4570.148551][ T73] inet6_addr_add+0x12f/0xa40 [ 4570.148551][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.148551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.148551][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.148551][ T73] netlink_unicast+0x449/0x710 [ 4570.148551][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.148551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.148551][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.148551][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.148551][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.148551][ T73] [ 4570.150731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.150731][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4570.150731][ T73] ipv6_find_idev+0x102/0x170 [ 4570.150731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.150731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.150731][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.150731][ T73] netlink_unicast+0x449/0x710 [ 4570.150731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.150731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.150731][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.150731][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.150731][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.150731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.150731][ T73] [ 4570.152427][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4570.152427][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4570.152427][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4570.152427][ T73] ipv6_find_idev+0x102/0x170 [ 4570.152427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.152427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.152427][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.152427][ T73] netlink_unicast+0x449/0x710 [ 4570.152427][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.152427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.152427][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.152427][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.152427][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.152427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.152427][ T73] [ 4570.154621][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4570.154907][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.154907][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4570.154907][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4570.154907][ T73] fib6_nh_init+0xa22/0x1580 [ 4570.154907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.154907][ T73] ip6_route_add+0x1c/0x140 [ 4570.154907][ T73] inet6_rtm_newroute+0x104/0x110 [ 4570.154907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.154907][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.154907][ T73] netlink_unicast+0x449/0x710 [ 4570.154907][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.154907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.154907][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.154907][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.154907][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.154907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.154907][ T73] [ 4570.157044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.157044][ T73] dst_init+0x84/0x4a0 [ 4570.157044][ T73] dst_alloc+0x97/0x150 [ 4570.157044][ T73] ip6_dst_alloc+0x23/0x90 [ 4570.157044][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4570.157044][ T73] ip6_pol_route+0x56f/0x840 [ 4570.157044][ T73] fib6_rule_lookup+0x456/0x630 [ 4570.157044][ T73] ip6_route_input+0x59c/0xa50 [ 4570.157044][ T73] ipv6_rcv+0x397/0x810 [ 4570.157044][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4570.157044][ T73] process_backlog+0x101/0x620 [ 4570.157044][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4570.157044][ T73] net_rx_action+0x495/0xbe0 [ 4570.157044][ T73] __do_softirq+0x1b5/0x7f6 [ 4570.157044][ T73] [ 4570.158866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.158866][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.158866][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.158866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.158866][ T73] ip6_route_add+0x1c/0x140 [ 4570.158866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4570.158866][ T73] inet6_addr_add+0x4f8/0xa40 [ 4570.158866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.158866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.158866][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.158866][ T73] netlink_unicast+0x449/0x710 [ 4570.158866][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.158866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.158866][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.158866][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.158866][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.158866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.158866][ T73] [ 4570.161124][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.161124][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.161124][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.161124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.161124][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4570.161124][ T73] ipv6_add_addr+0x411/0x2000 [ 4570.161124][ T73] inet6_addr_add+0x30e/0xa40 [ 4570.161124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.161124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.161124][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.161124][ T73] netlink_unicast+0x449/0x710 [ 4570.161124][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.161124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.161124][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.161124][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.161124][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.161124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.161124][ T73] [ 4570.163436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.163436][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.163436][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.163436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.163436][ T73] ip6_route_add+0x1c/0x140 [ 4570.163436][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4570.163436][ T73] addrconf_add_dev+0xe2/0x170 [ 4570.163436][ T73] inet6_addr_add+0x12f/0xa40 [ 4570.163436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.163436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.163436][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.163436][ T73] netlink_unicast+0x449/0x710 [ 4570.163436][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.163436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.163436][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.163436][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.163436][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.163436][ T73] [ 4570.165591][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.165591][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4570.165591][ T73] ipv6_find_idev+0x102/0x170 [ 4570.165591][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.165591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.165591][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.165591][ T73] netlink_unicast+0x449/0x710 [ 4570.165591][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.165591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.165591][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.165591][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.165591][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.165591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.165591][ T73] [ 4570.167314][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4570.167314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4570.167314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4570.167314][ T73] ipv6_find_idev+0x102/0x170 [ 4570.167314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.167314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.167314][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.167314][ T73] netlink_unicast+0x449/0x710 [ 4570.167314][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.167314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.167314][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.167314][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.167314][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.167314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.167314][ T73] [ 4570.169275][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4570.169555][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4570.169555][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.169555][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.169555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.169555][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4570.169555][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4570.169555][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4570.169555][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4570.169555][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4570.169555][ T73] addrconf_dad_begin+0x310/0x670 [ 4570.169555][ T73] addrconf_dad_work+0x10b/0xab0 [ 4570.169555][ T73] process_one_work+0x84d/0x18a0 [ 4570.169555][ T73] worker_thread+0x587/0xd30 [ 4570.169555][ T73] kthread+0x28a/0x350 [ 4570.169555][ T73] ret_from_fork+0x31/0x70 [ 4570.169555][ T73] ret_from_fork_asm+0x1a/0x30 [ 4570.169555][ T73] [ 4570.171780][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4570.171780][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.171780][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.171780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.171780][ T73] ip6_route_add+0x1c/0x140 [ 4570.171780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4570.171780][ T73] inet6_addr_add+0x4f8/0xa40 [ 4570.171780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.171780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.171780][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.171780][ T73] netlink_unicast+0x449/0x710 [ 4570.171780][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.171780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.171780][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.171780][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.171780][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.171780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.171780][ T73] [ 4570.174031][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4570.174031][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.174031][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.174031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.174031][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4570.174031][ T73] ipv6_add_addr+0x411/0x2000 [ 4570.174031][ T73] inet6_addr_add+0x30e/0xa40 [ 4570.174031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.174031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.174031][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.174031][ T73] netlink_unicast+0x449/0x710 [ 4570.174031][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.174031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.174031][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.174031][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.174031][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.174031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.174031][ T73] [ 4570.176233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4570.176233][ T73] netdev_get_by_index+0x5e/0x80 [ 4570.176233][ T73] fib6_nh_init+0x3d8/0x1580 [ 4570.176233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4570.176233][ T73] ip6_route_add+0x1c/0x140 [ 4570.176233][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4570.176233][ T73] addrconf_add_dev+0xe2/0x170 [ 4570.176233][ T73] inet6_addr_add+0x12f/0xa40 [ 4570.176233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.176233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.176233][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.176233][ T73] netlink_unicast+0x449/0x710 [ 4570.176233][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.176233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.176233][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.176233][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.176233][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.176233][ T73] [ 4570.178444][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4570.178444][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4570.178444][ T73] ipv6_find_idev+0x102/0x170 [ 4570.178444][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.178444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.178444][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.178444][ T73] netlink_unicast+0x449/0x710 [ 4570.178444][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.178444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.178444][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.178444][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.178444][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.178444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.178444][ T73] [ 4570.180179][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4570.180179][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4570.180179][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4570.180179][ T73] ipv6_find_idev+0x102/0x170 [ 4570.180179][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.180179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.180179][ T73] netlink_rcv_skb+0x130/0x360 [ 4570.180179][ T73] netlink_unicast+0x449/0x710 [ 4570.180179][ T73] netlink_sendmsg+0x723/0xbe0 [ 4570.180179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4570.180179][ T73] ___sys_sendmsg+0xee/0x170 [ 4570.180179][ T73] __sys_sendmsg+0xcd/0x170 [ 4570.180179][ T73] do_syscall_64+0xc6/0x1e0 [ 4570.180179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.180179][ T73] [ 4580.310967][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4580.311408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.311408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4580.311408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4580.311408][ T73] fib6_nh_init+0xa22/0x1580 [ 4580.311408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.311408][ T73] ip6_route_add+0x1c/0x140 [ 4580.311408][ T73] inet6_rtm_newroute+0x104/0x110 [ 4580.311408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.311408][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.311408][ T73] netlink_unicast+0x449/0x710 [ 4580.311408][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.311408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.311408][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.311408][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.311408][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.311408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.311408][ T73] [ 4580.313300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.313300][ T73] dst_init+0x84/0x4a0 [ 4580.313300][ T73] dst_alloc+0x97/0x150 [ 4580.313300][ T73] ip6_dst_alloc+0x23/0x90 [ 4580.313300][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4580.313300][ T73] ip6_pol_route+0x56f/0x840 [ 4580.313300][ T73] fib6_rule_lookup+0x456/0x630 [ 4580.313300][ T73] ip6_route_input+0x59c/0xa50 [ 4580.313300][ T73] ipv6_rcv+0x397/0x810 [ 4580.313300][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4580.313300][ T73] process_backlog+0x101/0x620 [ 4580.313300][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4580.313300][ T73] net_rx_action+0x495/0xbe0 [ 4580.313300][ T73] __do_softirq+0x1b5/0x7f6 [ 4580.313300][ T73] [ 4580.314926][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.314926][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.314926][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.314926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.314926][ T73] ip6_route_add+0x1c/0x140 [ 4580.314926][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4580.314926][ T73] inet6_addr_add+0x4f8/0xa40 [ 4580.314926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.314926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.314926][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.314926][ T73] netlink_unicast+0x449/0x710 [ 4580.314926][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.314926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.314926][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.314926][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.314926][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.314926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.314926][ T73] [ 4580.316909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.316909][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.316909][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.316909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.316909][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4580.316909][ T73] ipv6_add_addr+0x411/0x2000 [ 4580.316909][ T73] inet6_addr_add+0x30e/0xa40 [ 4580.316909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.316909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.316909][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.316909][ T73] netlink_unicast+0x449/0x710 [ 4580.316909][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.316909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.316909][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.316909][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.316909][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.316909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.316909][ T73] [ 4580.318888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.318888][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.318888][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.318888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.318888][ T73] ip6_route_add+0x1c/0x140 [ 4580.318888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4580.318888][ T73] addrconf_add_dev+0xe2/0x170 [ 4580.318888][ T73] inet6_addr_add+0x12f/0xa40 [ 4580.318888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.318888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.318888][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.318888][ T73] netlink_unicast+0x449/0x710 [ 4580.318888][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.318888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.318888][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.318888][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.318888][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.318888][ T73] [ 4580.320843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.320843][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4580.320843][ T73] ipv6_find_idev+0x102/0x170 [ 4580.320843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.320843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.320843][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.320843][ T73] netlink_unicast+0x449/0x710 [ 4580.320843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.320843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.320843][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.320843][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.320843][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.320843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.320843][ T73] [ 4580.322369][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4580.322369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4580.322369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4580.322369][ T73] ipv6_find_idev+0x102/0x170 [ 4580.322369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.322369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.322369][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.322369][ T73] netlink_unicast+0x449/0x710 [ 4580.322369][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.322369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.322369][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.322369][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.322369][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.322369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.322369][ T73] [ 4580.324048][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4580.324319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.324319][ T73] dst_init+0x84/0x4a0 [ 4580.324319][ T73] dst_alloc+0x97/0x150 [ 4580.324319][ T73] ip6_dst_alloc+0x23/0x90 [ 4580.324319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4580.324319][ T73] ip6_pol_route+0x56f/0x840 [ 4580.324319][ T73] fib6_rule_lookup+0x456/0x630 [ 4580.324319][ T73] ip6_route_input+0x59c/0xa50 [ 4580.324319][ T73] ipv6_rcv+0x397/0x810 [ 4580.324319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4580.324319][ T73] process_backlog+0x101/0x620 [ 4580.324319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4580.324319][ T73] net_rx_action+0x495/0xbe0 [ 4580.324319][ T73] __do_softirq+0x1b5/0x7f6 [ 4580.324319][ T73] [ 4580.325954][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.325954][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.325954][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.325954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.325954][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4580.325954][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4580.325954][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4580.325954][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4580.325954][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4580.325954][ T73] addrconf_dad_begin+0x310/0x670 [ 4580.325954][ T73] addrconf_dad_work+0x10b/0xab0 [ 4580.325954][ T73] process_one_work+0x84d/0x18a0 [ 4580.325954][ T73] worker_thread+0x587/0xd30 [ 4580.325954][ T73] kthread+0x28a/0x350 [ 4580.325954][ T73] ret_from_fork+0x31/0x70 [ 4580.325954][ T73] ret_from_fork_asm+0x1a/0x30 [ 4580.325954][ T73] [ 4580.327847][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.327847][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.327847][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.327847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.327847][ T73] ip6_route_add+0x1c/0x140 [ 4580.327847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4580.327847][ T73] inet6_addr_add+0x4f8/0xa40 [ 4580.327847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.327847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.327847][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.327847][ T73] netlink_unicast+0x449/0x710 [ 4580.327847][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.327847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.327847][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.327847][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.327847][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.327847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.327847][ T73] [ 4580.329833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.329833][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.329833][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.329833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.329833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4580.329833][ T73] ipv6_add_addr+0x411/0x2000 [ 4580.329833][ T73] inet6_addr_add+0x30e/0xa40 [ 4580.329833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.329833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.329833][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.329833][ T73] netlink_unicast+0x449/0x710 [ 4580.329833][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.329833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.329833][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.329833][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.329833][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.329833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.329833][ T73] [ 4580.331816][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.331816][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.331816][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.331816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.331816][ T73] ip6_route_add+0x1c/0x140 [ 4580.331816][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4580.331816][ T73] addrconf_add_dev+0xe2/0x170 [ 4580.331816][ T73] inet6_addr_add+0x12f/0xa40 [ 4580.331816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.331816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.331816][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.331816][ T73] netlink_unicast+0x449/0x710 [ 4580.331816][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.331816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.331816][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.331816][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.331816][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.331816][ T73] [ 4580.333761][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.333761][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4580.333761][ T73] ipv6_find_idev+0x102/0x170 [ 4580.333761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.333761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.333761][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.333761][ T73] netlink_unicast+0x449/0x710 [ 4580.333761][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.333761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.333761][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.333761][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.333761][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.333761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.333761][ T73] [ 4580.335290][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4580.335290][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4580.335290][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4580.335290][ T73] ipv6_find_idev+0x102/0x170 [ 4580.335290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.335290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.335290][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.335290][ T73] netlink_unicast+0x449/0x710 [ 4580.335290][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.335290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.335290][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.335290][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.335290][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.335290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.335290][ T73] [ 4580.337067][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4580.337391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.337391][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4580.337391][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4580.337391][ T73] fib6_nh_init+0xa22/0x1580 [ 4580.337391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.337391][ T73] ip6_route_add+0x1c/0x140 [ 4580.337391][ T73] inet6_rtm_newroute+0x104/0x110 [ 4580.337391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.337391][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.337391][ T73] netlink_unicast+0x449/0x710 [ 4580.337391][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.337391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.337391][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.337391][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.337391][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.337391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.337391][ T73] [ 4580.339500][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.339500][ T73] dst_init+0x84/0x4a0 [ 4580.339500][ T73] dst_alloc+0x97/0x150 [ 4580.339500][ T73] ip6_dst_alloc+0x23/0x90 [ 4580.339500][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4580.339500][ T73] ip6_pol_route+0x56f/0x840 [ 4580.339500][ T73] fib6_rule_lookup+0x456/0x630 [ 4580.339500][ T73] ip6_route_input+0x59c/0xa50 [ 4580.339500][ T73] ipv6_rcv+0x397/0x810 [ 4580.339500][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4580.339500][ T73] process_backlog+0x101/0x620 [ 4580.339500][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4580.339500][ T73] net_rx_action+0x495/0xbe0 [ 4580.339500][ T73] __do_softirq+0x1b5/0x7f6 [ 4580.339500][ T73] [ 4580.341295][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.341295][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.341295][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.341295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.341295][ T73] ip6_route_add+0x1c/0x140 [ 4580.341295][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4580.341295][ T73] inet6_addr_add+0x4f8/0xa40 [ 4580.341295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.341295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.341295][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.341295][ T73] netlink_unicast+0x449/0x710 [ 4580.341295][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.341295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.341295][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.341295][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.341295][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.341295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.341295][ T73] [ 4580.343531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.343531][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.343531][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.343531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.343531][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4580.343531][ T73] ipv6_add_addr+0x411/0x2000 [ 4580.343531][ T73] inet6_addr_add+0x30e/0xa40 [ 4580.343531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.343531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.343531][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.343531][ T73] netlink_unicast+0x449/0x710 [ 4580.343531][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.343531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.343531][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.343531][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.343531][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.343531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.343531][ T73] [ 4580.345747][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.345747][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.345747][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.345747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.345747][ T73] ip6_route_add+0x1c/0x140 [ 4580.345747][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4580.345747][ T73] addrconf_add_dev+0xe2/0x170 [ 4580.345747][ T73] inet6_addr_add+0x12f/0xa40 [ 4580.345747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.345747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.345747][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.345747][ T73] netlink_unicast+0x449/0x710 [ 4580.345747][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.345747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.345747][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.345747][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.345747][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.345747][ T73] [ 4580.347996][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.347996][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4580.347996][ T73] ipv6_find_idev+0x102/0x170 [ 4580.347996][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.347996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.347996][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.347996][ T73] netlink_unicast+0x449/0x710 [ 4580.347996][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.347996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.347996][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.347996][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.347996][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.347996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.347996][ T73] [ 4580.349707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4580.349707][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4580.349707][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4580.349707][ T73] ipv6_find_idev+0x102/0x170 [ 4580.349707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.349707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.349707][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.349707][ T73] netlink_unicast+0x449/0x710 [ 4580.349707][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.349707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.349707][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.349707][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.349707][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.349707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.349707][ T73] [ 4580.351500][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4580.351763][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4580.351763][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.351763][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.351763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.351763][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4580.351763][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4580.351763][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4580.351763][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4580.351763][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4580.351763][ T73] addrconf_dad_begin+0x310/0x670 [ 4580.351763][ T73] addrconf_dad_work+0x10b/0xab0 [ 4580.351763][ T73] process_one_work+0x84d/0x18a0 [ 4580.351763][ T73] worker_thread+0x587/0xd30 [ 4580.351763][ T73] kthread+0x28a/0x350 [ 4580.351763][ T73] ret_from_fork+0x31/0x70 [ 4580.351763][ T73] ret_from_fork_asm+0x1a/0x30 [ 4580.351763][ T73] [ 4580.353903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4580.353903][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.353903][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.353903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.353903][ T73] ip6_route_add+0x1c/0x140 [ 4580.353903][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4580.353903][ T73] inet6_addr_add+0x4f8/0xa40 [ 4580.353903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.353903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.353903][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.353903][ T73] netlink_unicast+0x449/0x710 [ 4580.353903][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.353903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.353903][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.353903][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.353903][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.353903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.353903][ T73] [ 4580.356074][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4580.356074][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.356074][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.356074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.356074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4580.356074][ T73] ipv6_add_addr+0x411/0x2000 [ 4580.356074][ T73] inet6_addr_add+0x30e/0xa40 [ 4580.356074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.356074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.356074][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.356074][ T73] netlink_unicast+0x449/0x710 [ 4580.356074][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.356074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.356074][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.356074][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.356074][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.356074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.356074][ T73] [ 4580.358352][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4580.358352][ T73] netdev_get_by_index+0x5e/0x80 [ 4580.358352][ T73] fib6_nh_init+0x3d8/0x1580 [ 4580.358352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4580.358352][ T73] ip6_route_add+0x1c/0x140 [ 4580.358352][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4580.358352][ T73] addrconf_add_dev+0xe2/0x170 [ 4580.358352][ T73] inet6_addr_add+0x12f/0xa40 [ 4580.358352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.358352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.358352][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.358352][ T73] netlink_unicast+0x449/0x710 [ 4580.358352][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.358352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.358352][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.358352][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.358352][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.358352][ T73] [ 4580.360487][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4580.360487][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4580.360487][ T73] ipv6_find_idev+0x102/0x170 [ 4580.360487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.360487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.360487][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.360487][ T73] netlink_unicast+0x449/0x710 [ 4580.360487][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.360487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.360487][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.360487][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.360487][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.360487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.360487][ T73] [ 4580.362195][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4580.362195][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4580.362195][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4580.362195][ T73] ipv6_find_idev+0x102/0x170 [ 4580.362195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.362195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.362195][ T73] netlink_rcv_skb+0x130/0x360 [ 4580.362195][ T73] netlink_unicast+0x449/0x710 [ 4580.362195][ T73] netlink_sendmsg+0x723/0xbe0 [ 4580.362195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4580.362195][ T73] ___sys_sendmsg+0xee/0x170 [ 4580.362195][ T73] __sys_sendmsg+0xcd/0x170 [ 4580.362195][ T73] do_syscall_64+0xc6/0x1e0 [ 4580.362195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.362195][ T73] [ 4590.614988][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4590.615403][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.615403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4590.615403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4590.615403][ T73] fib6_nh_init+0xa22/0x1580 [ 4590.615403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.615403][ T73] ip6_route_add+0x1c/0x140 [ 4590.615403][ T73] inet6_rtm_newroute+0x104/0x110 [ 4590.615403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.615403][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.615403][ T73] netlink_unicast+0x449/0x710 [ 4590.615403][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.615403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.615403][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.615403][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.615403][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.615403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.615403][ T73] [ 4590.617417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.617417][ T73] dst_init+0x84/0x4a0 [ 4590.617417][ T73] dst_alloc+0x97/0x150 [ 4590.617417][ T73] ip6_dst_alloc+0x23/0x90 [ 4590.617417][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4590.617417][ T73] ip6_pol_route+0x56f/0x840 [ 4590.617417][ T73] fib6_rule_lookup+0x456/0x630 [ 4590.617417][ T73] ip6_route_input+0x59c/0xa50 [ 4590.617417][ T73] ipv6_rcv+0x397/0x810 [ 4590.617417][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4590.617417][ T73] process_backlog+0x101/0x620 [ 4590.617417][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4590.617417][ T73] net_rx_action+0x495/0xbe0 [ 4590.617417][ T73] __do_softirq+0x1b5/0x7f6 [ 4590.617417][ T73] [ 4590.619162][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.619162][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.619162][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.619162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.619162][ T73] ip6_route_add+0x1c/0x140 [ 4590.619162][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4590.619162][ T73] inet6_addr_add+0x4f8/0xa40 [ 4590.619162][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.619162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.619162][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.619162][ T73] netlink_unicast+0x449/0x710 [ 4590.619162][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.619162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.619162][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.619162][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.619162][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.619162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.619162][ T73] [ 4590.621345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.621345][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.621345][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.621345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.621345][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4590.621345][ T73] ipv6_add_addr+0x411/0x2000 [ 4590.621345][ T73] inet6_addr_add+0x30e/0xa40 [ 4590.621345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.621345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.621345][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.621345][ T73] netlink_unicast+0x449/0x710 [ 4590.621345][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.621345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.621345][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.621345][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.621345][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.621345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.621345][ T73] [ 4590.623523][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.623523][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.623523][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.623523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.623523][ T73] ip6_route_add+0x1c/0x140 [ 4590.623523][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4590.623523][ T73] addrconf_add_dev+0xe2/0x170 [ 4590.623523][ T73] inet6_addr_add+0x12f/0xa40 [ 4590.623523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.623523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.623523][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.623523][ T73] netlink_unicast+0x449/0x710 [ 4590.623523][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.623523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.623523][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.623523][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.623523][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.623523][ T73] [ 4590.625665][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.625665][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4590.625665][ T73] ipv6_find_idev+0x102/0x170 [ 4590.625665][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.625665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.625665][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.625665][ T73] netlink_unicast+0x449/0x710 [ 4590.625665][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.625665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.625665][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.625665][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.625665][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.625665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.625665][ T73] [ 4590.627354][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4590.627354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4590.627354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4590.627354][ T73] ipv6_find_idev+0x102/0x170 [ 4590.627354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.627354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.627354][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.627354][ T73] netlink_unicast+0x449/0x710 [ 4590.627354][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.627354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.627354][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.627354][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.627354][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.627354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.627354][ T73] [ 4590.629196][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4590.629490][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.629490][ T73] dst_init+0x84/0x4a0 [ 4590.629490][ T73] dst_alloc+0x97/0x150 [ 4590.629490][ T73] ip6_dst_alloc+0x23/0x90 [ 4590.629490][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4590.629490][ T73] ip6_pol_route+0x56f/0x840 [ 4590.629490][ T73] fib6_rule_lookup+0x456/0x630 [ 4590.629490][ T73] ip6_route_input+0x59c/0xa50 [ 4590.629490][ T73] ipv6_rcv+0x397/0x810 [ 4590.629490][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4590.629490][ T73] process_backlog+0x101/0x620 [ 4590.629490][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4590.629490][ T73] net_rx_action+0x495/0xbe0 [ 4590.629490][ T73] __do_softirq+0x1b5/0x7f6 [ 4590.629490][ T73] [ 4590.631257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.631257][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.631257][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.631257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.631257][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4590.631257][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4590.631257][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4590.631257][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4590.631257][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4590.631257][ T73] addrconf_dad_begin+0x310/0x670 [ 4590.631257][ T73] addrconf_dad_work+0x10b/0xab0 [ 4590.631257][ T73] process_one_work+0x84d/0x18a0 [ 4590.631257][ T73] worker_thread+0x587/0xd30 [ 4590.631257][ T73] kthread+0x28a/0x350 [ 4590.631257][ T73] ret_from_fork+0x31/0x70 [ 4590.631257][ T73] ret_from_fork_asm+0x1a/0x30 [ 4590.631257][ T73] [ 4590.633334][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.633334][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.633334][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.633334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.633334][ T73] ip6_route_add+0x1c/0x140 [ 4590.633334][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4590.633334][ T73] inet6_addr_add+0x4f8/0xa40 [ 4590.633334][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.633334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.633334][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.633334][ T73] netlink_unicast+0x449/0x710 [ 4590.633334][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.633334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.633334][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.633334][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.633334][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.633334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.633334][ T73] [ 4590.635491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.635491][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.635491][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.635491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.635491][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4590.635491][ T73] ipv6_add_addr+0x411/0x2000 [ 4590.635491][ T73] inet6_addr_add+0x30e/0xa40 [ 4590.635491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.635491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.635491][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.635491][ T73] netlink_unicast+0x449/0x710 [ 4590.635491][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.635491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.635491][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.635491][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.635491][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.635491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.635491][ T73] [ 4590.637656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.637656][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.637656][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.637656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.637656][ T73] ip6_route_add+0x1c/0x140 [ 4590.637656][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4590.637656][ T73] addrconf_add_dev+0xe2/0x170 [ 4590.637656][ T73] inet6_addr_add+0x12f/0xa40 [ 4590.637656][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.637656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.637656][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.637656][ T73] netlink_unicast+0x449/0x710 [ 4590.637656][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.637656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.637656][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.637656][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.637656][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.637656][ T73] [ 4590.639797][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.639797][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4590.639797][ T73] ipv6_find_idev+0x102/0x170 [ 4590.639797][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.639797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.639797][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.639797][ T73] netlink_unicast+0x449/0x710 [ 4590.639797][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.639797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.639797][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.639797][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.639797][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.639797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.639797][ T73] [ 4590.641992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4590.641992][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4590.641992][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4590.641992][ T73] ipv6_find_idev+0x102/0x170 [ 4590.641992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.641992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.641992][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.641992][ T73] netlink_unicast+0x449/0x710 [ 4590.641992][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.641992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.641992][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.641992][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.641992][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.641992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.641992][ T73] [ 4590.643925][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4590.644268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.644268][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4590.644268][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4590.644268][ T73] fib6_nh_init+0xa22/0x1580 [ 4590.644268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.644268][ T73] ip6_route_add+0x1c/0x140 [ 4590.644268][ T73] inet6_rtm_newroute+0x104/0x110 [ 4590.644268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.644268][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.644268][ T73] netlink_unicast+0x449/0x710 [ 4590.644268][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.644268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.644268][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.644268][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.644268][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.644268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.644268][ T73] [ 4590.646401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.646401][ T73] dst_init+0x84/0x4a0 [ 4590.646401][ T73] dst_alloc+0x97/0x150 [ 4590.646401][ T73] ip6_dst_alloc+0x23/0x90 [ 4590.646401][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4590.646401][ T73] ip6_pol_route+0x56f/0x840 [ 4590.646401][ T73] fib6_rule_lookup+0x456/0x630 [ 4590.646401][ T73] ip6_route_input+0x59c/0xa50 [ 4590.646401][ T73] ipv6_rcv+0x397/0x810 [ 4590.646401][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4590.646401][ T73] process_backlog+0x101/0x620 [ 4590.646401][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4590.646401][ T73] net_rx_action+0x495/0xbe0 [ 4590.646401][ T73] __do_softirq+0x1b5/0x7f6 [ 4590.646401][ T73] [ 4590.648335][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.648335][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.648335][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.648335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.648335][ T73] ip6_route_add+0x1c/0x140 [ 4590.648335][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4590.648335][ T73] inet6_addr_add+0x4f8/0xa40 [ 4590.648335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.648335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.648335][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.648335][ T73] netlink_unicast+0x449/0x710 [ 4590.648335][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.648335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.648335][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.648335][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.648335][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.648335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.648335][ T73] [ 4590.650790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.650790][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.650790][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.650790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.650790][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4590.650790][ T73] ipv6_add_addr+0x411/0x2000 [ 4590.650790][ T73] inet6_addr_add+0x30e/0xa40 [ 4590.650790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.650790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.650790][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.650790][ T73] netlink_unicast+0x449/0x710 [ 4590.650790][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.650790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.650790][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.650790][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.650790][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.650790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.650790][ T73] [ 4590.653152][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.653152][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.653152][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.653152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.653152][ T73] ip6_route_add+0x1c/0x140 [ 4590.653152][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4590.653152][ T73] addrconf_add_dev+0xe2/0x170 [ 4590.653152][ T73] inet6_addr_add+0x12f/0xa40 [ 4590.653152][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.653152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.653152][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.653152][ T73] netlink_unicast+0x449/0x710 [ 4590.653152][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.653152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.653152][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.653152][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.653152][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.653152][ T73] [ 4590.655895][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.655895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4590.655895][ T73] ipv6_find_idev+0x102/0x170 [ 4590.655895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.655895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.655895][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.655895][ T73] netlink_unicast+0x449/0x710 [ 4590.655895][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.655895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.655895][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.655895][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.655895][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.655895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.655895][ T73] [ 4590.657734][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4590.657734][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4590.657734][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4590.657734][ T73] ipv6_find_idev+0x102/0x170 [ 4590.657734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.657734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.657734][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.657734][ T73] netlink_unicast+0x449/0x710 [ 4590.657734][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.657734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.657734][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.657734][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.657734][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.657734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.657734][ T73] [ 4590.659753][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4590.660480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4590.660480][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.660480][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.660480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.660480][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4590.660480][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4590.660480][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4590.660480][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4590.660480][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4590.660480][ T73] addrconf_dad_begin+0x310/0x670 [ 4590.660480][ T73] addrconf_dad_work+0x10b/0xab0 [ 4590.660480][ T73] process_one_work+0x84d/0x18a0 [ 4590.660480][ T73] worker_thread+0x587/0xd30 [ 4590.660480][ T73] kthread+0x28a/0x350 [ 4590.660480][ T73] ret_from_fork+0x31/0x70 [ 4590.660480][ T73] ret_from_fork_asm+0x1a/0x30 [ 4590.660480][ T73] [ 4590.662550][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4590.662550][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.662550][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.662550][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.662550][ T73] ip6_route_add+0x1c/0x140 [ 4590.662550][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4590.662550][ T73] inet6_addr_add+0x4f8/0xa40 [ 4590.662550][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.662550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.662550][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.662550][ T73] netlink_unicast+0x449/0x710 [ 4590.662550][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.662550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.662550][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.662550][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.662550][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.662550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.662550][ T73] [ 4590.664899][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4590.664899][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.664899][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.664899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.664899][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4590.664899][ T73] ipv6_add_addr+0x411/0x2000 [ 4590.664899][ T73] inet6_addr_add+0x30e/0xa40 [ 4590.664899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.664899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.664899][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.664899][ T73] netlink_unicast+0x449/0x710 [ 4590.664899][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.664899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.664899][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.664899][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.664899][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.664899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.664899][ T73] [ 4590.667302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4590.667302][ T73] netdev_get_by_index+0x5e/0x80 [ 4590.667302][ T73] fib6_nh_init+0x3d8/0x1580 [ 4590.667302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4590.667302][ T73] ip6_route_add+0x1c/0x140 [ 4590.667302][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4590.667302][ T73] addrconf_add_dev+0xe2/0x170 [ 4590.667302][ T73] inet6_addr_add+0x12f/0xa40 [ 4590.667302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.667302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.667302][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.667302][ T73] netlink_unicast+0x449/0x710 [ 4590.667302][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.667302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.667302][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.667302][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.667302][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.667302][ T73] [ 4590.669586][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4590.669586][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4590.669586][ T73] ipv6_find_idev+0x102/0x170 [ 4590.669586][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.669586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.669586][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.669586][ T73] netlink_unicast+0x449/0x710 [ 4590.669586][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.669586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.669586][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.669586][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.669586][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.669586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.669586][ T73] [ 4590.671413][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4590.671413][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4590.671413][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4590.671413][ T73] ipv6_find_idev+0x102/0x170 [ 4590.671413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.671413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.671413][ T73] netlink_rcv_skb+0x130/0x360 [ 4590.671413][ T73] netlink_unicast+0x449/0x710 [ 4590.671413][ T73] netlink_sendmsg+0x723/0xbe0 [ 4590.671413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4590.671413][ T73] ___sys_sendmsg+0xee/0x170 [ 4590.671413][ T73] __sys_sendmsg+0xcd/0x170 [ 4590.671413][ T73] do_syscall_64+0xc6/0x1e0 [ 4590.671413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.671413][ T73] [ 4600.862928][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4600.863377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.863377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4600.863377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4600.863377][ T73] fib6_nh_init+0xa22/0x1580 [ 4600.863377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.863377][ T73] ip6_route_add+0x1c/0x140 [ 4600.863377][ T73] inet6_rtm_newroute+0x104/0x110 [ 4600.863377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.863377][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.863377][ T73] netlink_unicast+0x449/0x710 [ 4600.863377][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.863377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.863377][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.863377][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.863377][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.863377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.863377][ T73] [ 4600.865261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.865261][ T73] dst_init+0x84/0x4a0 [ 4600.865261][ T73] dst_alloc+0x97/0x150 [ 4600.865261][ T73] ip6_dst_alloc+0x23/0x90 [ 4600.865261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4600.865261][ T73] ip6_pol_route+0x56f/0x840 [ 4600.865261][ T73] fib6_rule_lookup+0x456/0x630 [ 4600.865261][ T73] ip6_route_input+0x59c/0xa50 [ 4600.865261][ T73] ipv6_rcv+0x397/0x810 [ 4600.865261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4600.865261][ T73] process_backlog+0x101/0x620 [ 4600.865261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4600.865261][ T73] net_rx_action+0x495/0xbe0 [ 4600.865261][ T73] __do_softirq+0x1b5/0x7f6 [ 4600.865261][ T73] [ 4600.866888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.866888][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.866888][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.866888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.866888][ T73] ip6_route_add+0x1c/0x140 [ 4600.866888][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4600.866888][ T73] inet6_addr_add+0x4f8/0xa40 [ 4600.866888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.866888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.866888][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.866888][ T73] netlink_unicast+0x449/0x710 [ 4600.866888][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.866888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.866888][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.866888][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.866888][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.866888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.866888][ T73] [ 4600.868875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.868875][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.868875][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.868875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.868875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4600.868875][ T73] ipv6_add_addr+0x411/0x2000 [ 4600.868875][ T73] inet6_addr_add+0x30e/0xa40 [ 4600.868875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.868875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.868875][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.868875][ T73] netlink_unicast+0x449/0x710 [ 4600.868875][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.868875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.868875][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.868875][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.868875][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.868875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.868875][ T73] [ 4600.870873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.870873][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.870873][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.870873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.870873][ T73] ip6_route_add+0x1c/0x140 [ 4600.870873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4600.870873][ T73] addrconf_add_dev+0xe2/0x170 [ 4600.870873][ T73] inet6_addr_add+0x12f/0xa40 [ 4600.870873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.870873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.870873][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.870873][ T73] netlink_unicast+0x449/0x710 [ 4600.870873][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.870873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.870873][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.870873][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.870873][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.870873][ T73] [ 4600.872828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.872828][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4600.872828][ T73] ipv6_find_idev+0x102/0x170 [ 4600.872828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.872828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.872828][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.872828][ T73] netlink_unicast+0x449/0x710 [ 4600.872828][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.872828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.872828][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.872828][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.872828][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.872828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.872828][ T73] [ 4600.874359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4600.874359][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4600.874359][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4600.874359][ T73] ipv6_find_idev+0x102/0x170 [ 4600.874359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.874359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.874359][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.874359][ T73] netlink_unicast+0x449/0x710 [ 4600.874359][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.874359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.874359][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.874359][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.874359][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.874359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.874359][ T73] [ 4600.876034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4600.876306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.876306][ T73] dst_init+0x84/0x4a0 [ 4600.876306][ T73] dst_alloc+0x97/0x150 [ 4600.876306][ T73] ip6_dst_alloc+0x23/0x90 [ 4600.876306][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4600.876306][ T73] ip6_pol_route+0x56f/0x840 [ 4600.876306][ T73] fib6_rule_lookup+0x456/0x630 [ 4600.876306][ T73] ip6_route_input+0x59c/0xa50 [ 4600.876306][ T73] ipv6_rcv+0x397/0x810 [ 4600.876306][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4600.876306][ T73] process_backlog+0x101/0x620 [ 4600.876306][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4600.876306][ T73] net_rx_action+0x495/0xbe0 [ 4600.876306][ T73] __do_softirq+0x1b5/0x7f6 [ 4600.876306][ T73] [ 4600.877947][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.877947][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.877947][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.877947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.877947][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4600.877947][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4600.877947][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4600.877947][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4600.877947][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4600.877947][ T73] addrconf_dad_begin+0x310/0x670 [ 4600.877947][ T73] addrconf_dad_work+0x10b/0xab0 [ 4600.877947][ T73] process_one_work+0x84d/0x18a0 [ 4600.877947][ T73] worker_thread+0x587/0xd30 [ 4600.877947][ T73] kthread+0x28a/0x350 [ 4600.877947][ T73] ret_from_fork+0x31/0x70 [ 4600.877947][ T73] ret_from_fork_asm+0x1a/0x30 [ 4600.877947][ T73] [ 4600.879851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.879851][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.879851][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.879851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.879851][ T73] ip6_route_add+0x1c/0x140 [ 4600.879851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4600.879851][ T73] inet6_addr_add+0x4f8/0xa40 [ 4600.879851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.879851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.879851][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.879851][ T73] netlink_unicast+0x449/0x710 [ 4600.879851][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.879851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.879851][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.879851][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.879851][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.879851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.879851][ T73] [ 4600.881837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.881837][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.881837][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.881837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.881837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4600.881837][ T73] ipv6_add_addr+0x411/0x2000 [ 4600.881837][ T73] inet6_addr_add+0x30e/0xa40 [ 4600.881837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.881837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.881837][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.881837][ T73] netlink_unicast+0x449/0x710 [ 4600.881837][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.881837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.881837][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.881837][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.881837][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.881837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.881837][ T73] [ 4600.883822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.883822][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.883822][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.883822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.883822][ T73] ip6_route_add+0x1c/0x140 [ 4600.883822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4600.883822][ T73] addrconf_add_dev+0xe2/0x170 [ 4600.883822][ T73] inet6_addr_add+0x12f/0xa40 [ 4600.883822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.883822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.883822][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.883822][ T73] netlink_unicast+0x449/0x710 [ 4600.883822][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.883822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.883822][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.883822][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.883822][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.883822][ T73] [ 4600.885773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.885773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4600.885773][ T73] ipv6_find_idev+0x102/0x170 [ 4600.885773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.885773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.885773][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.885773][ T73] netlink_unicast+0x449/0x710 [ 4600.885773][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.885773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.885773][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.885773][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.885773][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.885773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.885773][ T73] [ 4600.887306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4600.887306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4600.887306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4600.887306][ T73] ipv6_find_idev+0x102/0x170 [ 4600.887306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.887306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.887306][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.887306][ T73] netlink_unicast+0x449/0x710 [ 4600.887306][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.887306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.887306][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.887306][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.887306][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.887306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.887306][ T73] [ 4600.889102][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4600.889369][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.889369][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4600.889369][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4600.889369][ T73] fib6_nh_init+0xa22/0x1580 [ 4600.889369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.889369][ T73] ip6_route_add+0x1c/0x140 [ 4600.889369][ T73] inet6_rtm_newroute+0x104/0x110 [ 4600.889369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.889369][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.889369][ T73] netlink_unicast+0x449/0x710 [ 4600.889369][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.889369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.889369][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.889369][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.889369][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.889369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.889369][ T73] [ 4600.891533][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.891533][ T73] dst_init+0x84/0x4a0 [ 4600.891533][ T73] dst_alloc+0x97/0x150 [ 4600.891533][ T73] ip6_dst_alloc+0x23/0x90 [ 4600.891533][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4600.891533][ T73] ip6_pol_route+0x56f/0x840 [ 4600.891533][ T73] fib6_rule_lookup+0x456/0x630 [ 4600.891533][ T73] ip6_route_input+0x59c/0xa50 [ 4600.891533][ T73] ipv6_rcv+0x397/0x810 [ 4600.891533][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4600.891533][ T73] process_backlog+0x101/0x620 [ 4600.891533][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4600.891533][ T73] net_rx_action+0x495/0xbe0 [ 4600.891533][ T73] __do_softirq+0x1b5/0x7f6 [ 4600.891533][ T73] [ 4600.893336][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.893336][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.893336][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.893336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.893336][ T73] ip6_route_add+0x1c/0x140 [ 4600.893336][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4600.893336][ T73] inet6_addr_add+0x4f8/0xa40 [ 4600.893336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.893336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.893336][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.893336][ T73] netlink_unicast+0x449/0x710 [ 4600.893336][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.893336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.893336][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.893336][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.893336][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.893336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.893336][ T73] [ 4600.895561][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.895561][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.895561][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.895561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.895561][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4600.895561][ T73] ipv6_add_addr+0x411/0x2000 [ 4600.895561][ T73] inet6_addr_add+0x30e/0xa40 [ 4600.895561][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.895561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.895561][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.895561][ T73] netlink_unicast+0x449/0x710 [ 4600.895561][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.895561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.895561][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.895561][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.895561][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.895561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.895561][ T73] [ 4600.897731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.897731][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.897731][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.897731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.897731][ T73] ip6_route_add+0x1c/0x140 [ 4600.897731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4600.897731][ T73] addrconf_add_dev+0xe2/0x170 [ 4600.897731][ T73] inet6_addr_add+0x12f/0xa40 [ 4600.897731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.897731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.897731][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.897731][ T73] netlink_unicast+0x449/0x710 [ 4600.897731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.897731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.897731][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.897731][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.897731][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.897731][ T73] [ 4600.899942][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.899942][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4600.899942][ T73] ipv6_find_idev+0x102/0x170 [ 4600.899942][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.899942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.899942][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.899942][ T73] netlink_unicast+0x449/0x710 [ 4600.899942][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.899942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.899942][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.899942][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.899942][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.899942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.899942][ T73] [ 4600.901752][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4600.901752][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4600.901752][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4600.901752][ T73] ipv6_find_idev+0x102/0x170 [ 4600.901752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.901752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.901752][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.901752][ T73] netlink_unicast+0x449/0x710 [ 4600.901752][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.901752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.901752][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.901752][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.901752][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.901752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.901752][ T73] [ 4600.903606][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4600.904364][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4600.904364][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.904364][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.904364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.904364][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4600.904364][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4600.904364][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4600.904364][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4600.904364][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4600.904364][ T73] addrconf_dad_begin+0x310/0x670 [ 4600.904364][ T73] addrconf_dad_work+0x10b/0xab0 [ 4600.904364][ T73] process_one_work+0x84d/0x18a0 [ 4600.904364][ T73] worker_thread+0x587/0xd30 [ 4600.904364][ T73] kthread+0x28a/0x350 [ 4600.904364][ T73] ret_from_fork+0x31/0x70 [ 4600.904364][ T73] ret_from_fork_asm+0x1a/0x30 [ 4600.904364][ T73] [ 4600.906264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4600.906264][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.906264][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.906264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.906264][ T73] ip6_route_add+0x1c/0x140 [ 4600.906264][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4600.906264][ T73] inet6_addr_add+0x4f8/0xa40 [ 4600.906264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.906264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.906264][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.906264][ T73] netlink_unicast+0x449/0x710 [ 4600.906264][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.906264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.906264][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.906264][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.906264][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.906264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.906264][ T73] [ 4600.908305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4600.908305][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.908305][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.908305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.908305][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4600.908305][ T73] ipv6_add_addr+0x411/0x2000 [ 4600.908305][ T73] inet6_addr_add+0x30e/0xa40 [ 4600.908305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.908305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.908305][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.908305][ T73] netlink_unicast+0x449/0x710 [ 4600.908305][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.908305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.908305][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.908305][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.908305][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.908305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.908305][ T73] [ 4600.910538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4600.910538][ T73] netdev_get_by_index+0x5e/0x80 [ 4600.910538][ T73] fib6_nh_init+0x3d8/0x1580 [ 4600.910538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4600.910538][ T73] ip6_route_add+0x1c/0x140 [ 4600.910538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4600.910538][ T73] addrconf_add_dev+0xe2/0x170 [ 4600.910538][ T73] inet6_addr_add+0x12f/0xa40 [ 4600.910538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.910538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.910538][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.910538][ T73] netlink_unicast+0x449/0x710 [ 4600.910538][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.910538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.910538][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.910538][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.910538][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.910538][ T73] [ 4600.912735][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4600.912735][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4600.912735][ T73] ipv6_find_idev+0x102/0x170 [ 4600.912735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.912735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.912735][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.912735][ T73] netlink_unicast+0x449/0x710 [ 4600.912735][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.912735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.912735][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.912735][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.912735][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.912735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.912735][ T73] [ 4600.914502][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4600.914502][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4600.914502][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4600.914502][ T73] ipv6_find_idev+0x102/0x170 [ 4600.914502][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.914502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.914502][ T73] netlink_rcv_skb+0x130/0x360 [ 4600.914502][ T73] netlink_unicast+0x449/0x710 [ 4600.914502][ T73] netlink_sendmsg+0x723/0xbe0 [ 4600.914502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4600.914502][ T73] ___sys_sendmsg+0xee/0x170 [ 4600.914502][ T73] __sys_sendmsg+0xcd/0x170 [ 4600.914502][ T73] do_syscall_64+0xc6/0x1e0 [ 4600.914502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.914502][ T73] [ 4611.006899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4611.007319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.007319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4611.007319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4611.007319][ T73] fib6_nh_init+0xa22/0x1580 [ 4611.007319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.007319][ T73] ip6_route_add+0x1c/0x140 [ 4611.007319][ T73] inet6_rtm_newroute+0x104/0x110 [ 4611.007319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.007319][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.007319][ T73] netlink_unicast+0x449/0x710 [ 4611.007319][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.007319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.007319][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.007319][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.007319][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.007319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.007319][ T73] [ 4611.009437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.009437][ T73] dst_init+0x84/0x4a0 [ 4611.009437][ T73] dst_alloc+0x97/0x150 [ 4611.009437][ T73] ip6_dst_alloc+0x23/0x90 [ 4611.009437][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4611.009437][ T73] ip6_pol_route+0x56f/0x840 [ 4611.009437][ T73] fib6_rule_lookup+0x456/0x630 [ 4611.009437][ T73] ip6_route_input+0x59c/0xa50 [ 4611.009437][ T73] ipv6_rcv+0x397/0x810 [ 4611.009437][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4611.009437][ T73] process_backlog+0x101/0x620 [ 4611.009437][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4611.009437][ T73] net_rx_action+0x495/0xbe0 [ 4611.009437][ T73] __do_softirq+0x1b5/0x7f6 [ 4611.009437][ T73] [ 4611.011158][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.011158][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.011158][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.011158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.011158][ T73] ip6_route_add+0x1c/0x140 [ 4611.011158][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4611.011158][ T73] inet6_addr_add+0x4f8/0xa40 [ 4611.011158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.011158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.011158][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.011158][ T73] netlink_unicast+0x449/0x710 [ 4611.011158][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.011158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.011158][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.011158][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.011158][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.011158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.011158][ T73] [ 4611.013255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.013255][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.013255][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.013255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.013255][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4611.013255][ T73] ipv6_add_addr+0x411/0x2000 [ 4611.013255][ T73] inet6_addr_add+0x30e/0xa40 [ 4611.013255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.013255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.013255][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.013255][ T73] netlink_unicast+0x449/0x710 [ 4611.013255][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.013255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.013255][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.013255][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.013255][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.013255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.013255][ T73] [ 4611.015363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.015363][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.015363][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.015363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.015363][ T73] ip6_route_add+0x1c/0x140 [ 4611.015363][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4611.015363][ T73] addrconf_add_dev+0xe2/0x170 [ 4611.015363][ T73] inet6_addr_add+0x12f/0xa40 [ 4611.015363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.015363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.015363][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.015363][ T73] netlink_unicast+0x449/0x710 [ 4611.015363][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.015363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.015363][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.015363][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.015363][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.015363][ T73] [ 4611.017429][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.017429][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4611.017429][ T73] ipv6_find_idev+0x102/0x170 [ 4611.017429][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.017429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.017429][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.017429][ T73] netlink_unicast+0x449/0x710 [ 4611.017429][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.017429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.017429][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.017429][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.017429][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.017429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.017429][ T73] [ 4611.019046][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4611.019046][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4611.019046][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4611.019046][ T73] ipv6_find_idev+0x102/0x170 [ 4611.019046][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.019046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.019046][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.019046][ T73] netlink_unicast+0x449/0x710 [ 4611.019046][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.019046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.019046][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.019046][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.019046][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.019046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.019046][ T73] [ 4611.020833][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4611.021120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.021120][ T73] dst_init+0x84/0x4a0 [ 4611.021120][ T73] dst_alloc+0x97/0x150 [ 4611.021120][ T73] ip6_dst_alloc+0x23/0x90 [ 4611.021120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4611.021120][ T73] ip6_pol_route+0x56f/0x840 [ 4611.021120][ T73] fib6_rule_lookup+0x456/0x630 [ 4611.021120][ T73] ip6_route_input+0x59c/0xa50 [ 4611.021120][ T73] ipv6_rcv+0x397/0x810 [ 4611.021120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4611.021120][ T73] process_backlog+0x101/0x620 [ 4611.021120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4611.021120][ T73] net_rx_action+0x495/0xbe0 [ 4611.021120][ T73] __do_softirq+0x1b5/0x7f6 [ 4611.021120][ T73] [ 4611.022842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.022842][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.022842][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.022842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.022842][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4611.022842][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4611.022842][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4611.022842][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4611.022842][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4611.022842][ T73] addrconf_dad_begin+0x310/0x670 [ 4611.022842][ T73] addrconf_dad_work+0x10b/0xab0 [ 4611.022842][ T73] process_one_work+0x84d/0x18a0 [ 4611.022842][ T73] worker_thread+0x587/0xd30 [ 4611.022842][ T73] kthread+0x28a/0x350 [ 4611.022842][ T73] ret_from_fork+0x31/0x70 [ 4611.022842][ T73] ret_from_fork_asm+0x1a/0x30 [ 4611.022842][ T73] [ 4611.024852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.024852][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.024852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.024852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.024852][ T73] ip6_route_add+0x1c/0x140 [ 4611.024852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4611.024852][ T73] inet6_addr_add+0x4f8/0xa40 [ 4611.024852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.024852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.024852][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.024852][ T73] netlink_unicast+0x449/0x710 [ 4611.024852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.024852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.024852][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.024852][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.024852][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.024852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.024852][ T73] [ 4611.026990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.026990][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.026990][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.026990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.026990][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4611.026990][ T73] ipv6_add_addr+0x411/0x2000 [ 4611.026990][ T73] inet6_addr_add+0x30e/0xa40 [ 4611.026990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.026990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.026990][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.026990][ T73] netlink_unicast+0x449/0x710 [ 4611.026990][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.026990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.026990][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.026990][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.026990][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.026990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.026990][ T73] [ 4611.029116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.029116][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.029116][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.029116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.029116][ T73] ip6_route_add+0x1c/0x140 [ 4611.029116][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4611.029116][ T73] addrconf_add_dev+0xe2/0x170 [ 4611.029116][ T73] inet6_addr_add+0x12f/0xa40 [ 4611.029116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.029116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.029116][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.029116][ T73] netlink_unicast+0x449/0x710 [ 4611.029116][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.029116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.029116][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.029116][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.029116][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.029116][ T73] [ 4611.031110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.031110][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4611.031110][ T73] ipv6_find_idev+0x102/0x170 [ 4611.031110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.031110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.031110][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.031110][ T73] netlink_unicast+0x449/0x710 [ 4611.031110][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.031110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.031110][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.031110][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.031110][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.031110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.031110][ T73] [ 4611.032672][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4611.032672][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4611.032672][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4611.032672][ T73] ipv6_find_idev+0x102/0x170 [ 4611.032672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.032672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.032672][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.032672][ T73] netlink_unicast+0x449/0x710 [ 4611.032672][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.032672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.032672][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.032672][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.032672][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.032672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.032672][ T73] [ 4611.034524][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4611.034805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.034805][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4611.034805][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4611.034805][ T73] fib6_nh_init+0xa22/0x1580 [ 4611.034805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.034805][ T73] ip6_route_add+0x1c/0x140 [ 4611.034805][ T73] inet6_rtm_newroute+0x104/0x110 [ 4611.034805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.034805][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.034805][ T73] netlink_unicast+0x449/0x710 [ 4611.034805][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.034805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.034805][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.034805][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.034805][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.034805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.034805][ T73] [ 4611.037011][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.037011][ T73] dst_init+0x84/0x4a0 [ 4611.037011][ T73] dst_alloc+0x97/0x150 [ 4611.037011][ T73] ip6_dst_alloc+0x23/0x90 [ 4611.037011][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4611.037011][ T73] ip6_pol_route+0x56f/0x840 [ 4611.037011][ T73] fib6_rule_lookup+0x456/0x630 [ 4611.037011][ T73] ip6_route_input+0x59c/0xa50 [ 4611.037011][ T73] ipv6_rcv+0x397/0x810 [ 4611.037011][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4611.037011][ T73] process_backlog+0x101/0x620 [ 4611.037011][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4611.037011][ T73] net_rx_action+0x495/0xbe0 [ 4611.037011][ T73] __do_softirq+0x1b5/0x7f6 [ 4611.037011][ T73] [ 4611.038845][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.038845][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.038845][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.038845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.038845][ T73] ip6_route_add+0x1c/0x140 [ 4611.038845][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4611.038845][ T73] inet6_addr_add+0x4f8/0xa40 [ 4611.038845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.038845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.038845][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.038845][ T73] netlink_unicast+0x449/0x710 [ 4611.038845][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.038845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.038845][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.038845][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.038845][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.038845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.038845][ T73] [ 4611.041095][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.041095][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.041095][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.041095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.041095][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4611.041095][ T73] ipv6_add_addr+0x411/0x2000 [ 4611.041095][ T73] inet6_addr_add+0x30e/0xa40 [ 4611.041095][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.041095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.041095][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.041095][ T73] netlink_unicast+0x449/0x710 [ 4611.041095][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.041095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.041095][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.041095][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.041095][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.041095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.041095][ T73] [ 4611.043474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.043474][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.043474][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.043474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.043474][ T73] ip6_route_add+0x1c/0x140 [ 4611.043474][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4611.043474][ T73] addrconf_add_dev+0xe2/0x170 [ 4611.043474][ T73] inet6_addr_add+0x12f/0xa40 [ 4611.043474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.043474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.043474][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.043474][ T73] netlink_unicast+0x449/0x710 [ 4611.043474][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.043474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.043474][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.043474][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.043474][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.043474][ T73] [ 4611.045790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.045790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4611.045790][ T73] ipv6_find_idev+0x102/0x170 [ 4611.045790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.045790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.045790][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.045790][ T73] netlink_unicast+0x449/0x710 [ 4611.045790][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.045790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.045790][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.045790][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.045790][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.045790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.045790][ T73] [ 4611.047586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4611.047586][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4611.047586][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4611.047586][ T73] ipv6_find_idev+0x102/0x170 [ 4611.047586][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.047586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.047586][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.047586][ T73] netlink_unicast+0x449/0x710 [ 4611.047586][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.047586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.047586][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.047586][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.047586][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.047586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.047586][ T73] [ 4611.049620][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4611.049915][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4611.049915][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.049915][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.049915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.049915][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4611.049915][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4611.049915][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4611.049915][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4611.049915][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4611.049915][ T73] addrconf_dad_begin+0x310/0x670 [ 4611.049915][ T73] addrconf_dad_work+0x10b/0xab0 [ 4611.049915][ T73] process_one_work+0x84d/0x18a0 [ 4611.049915][ T73] worker_thread+0x587/0xd30 [ 4611.049915][ T73] kthread+0x28a/0x350 [ 4611.049915][ T73] ret_from_fork+0x31/0x70 [ 4611.049915][ T73] ret_from_fork_asm+0x1a/0x30 [ 4611.049915][ T73] [ 4611.052170][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4611.052170][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.052170][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.052170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.052170][ T73] ip6_route_add+0x1c/0x140 [ 4611.052170][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4611.052170][ T73] inet6_addr_add+0x4f8/0xa40 [ 4611.052170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.052170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.052170][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.052170][ T73] netlink_unicast+0x449/0x710 [ 4611.052170][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.052170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.052170][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.052170][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.052170][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.052170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.052170][ T73] [ 4611.054524][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4611.054524][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.054524][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.054524][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.054524][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4611.054524][ T73] ipv6_add_addr+0x411/0x2000 [ 4611.054524][ T73] inet6_addr_add+0x30e/0xa40 [ 4611.054524][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.054524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.054524][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.054524][ T73] netlink_unicast+0x449/0x710 [ 4611.054524][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.054524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.054524][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.054524][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.054524][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.054524][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.054524][ T73] [ 4611.056915][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4611.056915][ T73] netdev_get_by_index+0x5e/0x80 [ 4611.056915][ T73] fib6_nh_init+0x3d8/0x1580 [ 4611.056915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4611.056915][ T73] ip6_route_add+0x1c/0x140 [ 4611.056915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4611.056915][ T73] addrconf_add_dev+0xe2/0x170 [ 4611.056915][ T73] inet6_addr_add+0x12f/0xa40 [ 4611.056915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.056915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.056915][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.056915][ T73] netlink_unicast+0x449/0x710 [ 4611.056915][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.056915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.056915][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.056915][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.056915][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.056915][ T73] [ 4611.059268][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4611.059268][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4611.059268][ T73] ipv6_find_idev+0x102/0x170 [ 4611.059268][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.059268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.059268][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.059268][ T73] netlink_unicast+0x449/0x710 [ 4611.059268][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.059268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.059268][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.059268][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.059268][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.059268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.059268][ T73] [ 4611.061159][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4611.061159][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4611.061159][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4611.061159][ T73] ipv6_find_idev+0x102/0x170 [ 4611.061159][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.061159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.061159][ T73] netlink_rcv_skb+0x130/0x360 [ 4611.061159][ T73] netlink_unicast+0x449/0x710 [ 4611.061159][ T73] netlink_sendmsg+0x723/0xbe0 [ 4611.061159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4611.061159][ T73] ___sys_sendmsg+0xee/0x170 [ 4611.061159][ T73] __sys_sendmsg+0xcd/0x170 [ 4611.061159][ T73] do_syscall_64+0xc6/0x1e0 [ 4611.061159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.061159][ T73] [ 4621.310925][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4621.311338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.311338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4621.311338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4621.311338][ T73] fib6_nh_init+0xa22/0x1580 [ 4621.311338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.311338][ T73] ip6_route_add+0x1c/0x140 [ 4621.311338][ T73] inet6_rtm_newroute+0x104/0x110 [ 4621.311338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.311338][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.311338][ T73] netlink_unicast+0x449/0x710 [ 4621.311338][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.311338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.311338][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.311338][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.311338][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.311338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.311338][ T73] [ 4621.313241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.313241][ T73] dst_init+0x84/0x4a0 [ 4621.313241][ T73] dst_alloc+0x97/0x150 [ 4621.313241][ T73] ip6_dst_alloc+0x23/0x90 [ 4621.313241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4621.313241][ T73] ip6_pol_route+0x56f/0x840 [ 4621.313241][ T73] fib6_rule_lookup+0x456/0x630 [ 4621.313241][ T73] ip6_route_input+0x59c/0xa50 [ 4621.313241][ T73] ipv6_rcv+0x397/0x810 [ 4621.313241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4621.313241][ T73] process_backlog+0x101/0x620 [ 4621.313241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4621.313241][ T73] net_rx_action+0x495/0xbe0 [ 4621.313241][ T73] __do_softirq+0x1b5/0x7f6 [ 4621.313241][ T73] [ 4621.314885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.314885][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.314885][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.314885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.314885][ T73] ip6_route_add+0x1c/0x140 [ 4621.314885][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4621.314885][ T73] inet6_addr_add+0x4f8/0xa40 [ 4621.314885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.314885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.314885][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.314885][ T73] netlink_unicast+0x449/0x710 [ 4621.314885][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.314885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.314885][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.314885][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.314885][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.314885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.314885][ T73] [ 4621.317051][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.317051][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.317051][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.317051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.317051][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4621.317051][ T73] ipv6_add_addr+0x411/0x2000 [ 4621.317051][ T73] inet6_addr_add+0x30e/0xa40 [ 4621.317051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.317051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.317051][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.317051][ T73] netlink_unicast+0x449/0x710 [ 4621.317051][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.317051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.317051][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.317051][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.317051][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.317051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.317051][ T73] [ 4621.319171][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.319171][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.319171][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.319171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.319171][ T73] ip6_route_add+0x1c/0x140 [ 4621.319171][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4621.319171][ T73] addrconf_add_dev+0xe2/0x170 [ 4621.319171][ T73] inet6_addr_add+0x12f/0xa40 [ 4621.319171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.319171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.319171][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.319171][ T73] netlink_unicast+0x449/0x710 [ 4621.319171][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.319171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.319171][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.319171][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.319171][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.319171][ T73] [ 4621.321255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.321255][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4621.321255][ T73] ipv6_find_idev+0x102/0x170 [ 4621.321255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.321255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.321255][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.321255][ T73] netlink_unicast+0x449/0x710 [ 4621.321255][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.321255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.321255][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.321255][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.321255][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.321255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.321255][ T73] [ 4621.322883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4621.322883][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4621.322883][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4621.322883][ T73] ipv6_find_idev+0x102/0x170 [ 4621.322883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.322883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.322883][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.322883][ T73] netlink_unicast+0x449/0x710 [ 4621.322883][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.322883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.322883][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.322883][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.322883][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.322883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.322883][ T73] [ 4621.324674][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4621.324971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.324971][ T73] dst_init+0x84/0x4a0 [ 4621.324971][ T73] dst_alloc+0x97/0x150 [ 4621.324971][ T73] ip6_dst_alloc+0x23/0x90 [ 4621.324971][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4621.324971][ T73] ip6_pol_route+0x56f/0x840 [ 4621.324971][ T73] fib6_rule_lookup+0x456/0x630 [ 4621.324971][ T73] ip6_route_input+0x59c/0xa50 [ 4621.324971][ T73] ipv6_rcv+0x397/0x810 [ 4621.324971][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4621.324971][ T73] process_backlog+0x101/0x620 [ 4621.324971][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4621.324971][ T73] net_rx_action+0x495/0xbe0 [ 4621.324971][ T73] __do_softirq+0x1b5/0x7f6 [ 4621.324971][ T73] [ 4621.326698][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.326698][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.326698][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.326698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.326698][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4621.326698][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4621.326698][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4621.326698][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4621.326698][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4621.326698][ T73] addrconf_dad_begin+0x310/0x670 [ 4621.326698][ T73] addrconf_dad_work+0x10b/0xab0 [ 4621.326698][ T73] process_one_work+0x84d/0x18a0 [ 4621.326698][ T73] worker_thread+0x587/0xd30 [ 4621.326698][ T73] kthread+0x28a/0x350 [ 4621.326698][ T73] ret_from_fork+0x31/0x70 [ 4621.326698][ T73] ret_from_fork_asm+0x1a/0x30 [ 4621.326698][ T73] [ 4621.328739][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.328739][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.328739][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.328739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.328739][ T73] ip6_route_add+0x1c/0x140 [ 4621.328739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4621.328739][ T73] inet6_addr_add+0x4f8/0xa40 [ 4621.328739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.328739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.328739][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.328739][ T73] netlink_unicast+0x449/0x710 [ 4621.328739][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.328739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.328739][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.328739][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.328739][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.328739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.328739][ T73] [ 4621.330842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.330842][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.330842][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.330842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.330842][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4621.330842][ T73] ipv6_add_addr+0x411/0x2000 [ 4621.330842][ T73] inet6_addr_add+0x30e/0xa40 [ 4621.330842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.330842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.330842][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.330842][ T73] netlink_unicast+0x449/0x710 [ 4621.330842][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.330842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.330842][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.330842][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.330842][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.330842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.330842][ T73] [ 4621.332945][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.332945][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.332945][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.332945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.332945][ T73] ip6_route_add+0x1c/0x140 [ 4621.332945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4621.332945][ T73] addrconf_add_dev+0xe2/0x170 [ 4621.332945][ T73] inet6_addr_add+0x12f/0xa40 [ 4621.332945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.332945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.332945][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.332945][ T73] netlink_unicast+0x449/0x710 [ 4621.332945][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.332945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.332945][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.332945][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.332945][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.332945][ T73] [ 4621.335021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.335021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4621.335021][ T73] ipv6_find_idev+0x102/0x170 [ 4621.335021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.335021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.335021][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.335021][ T73] netlink_unicast+0x449/0x710 [ 4621.335021][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.335021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.335021][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.335021][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.335021][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.335021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.335021][ T73] [ 4621.336644][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4621.336644][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4621.336644][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4621.336644][ T73] ipv6_find_idev+0x102/0x170 [ 4621.336644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.336644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.336644][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.336644][ T73] netlink_unicast+0x449/0x710 [ 4621.336644][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.336644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.336644][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.336644][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.336644][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.336644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.336644][ T73] [ 4621.338542][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4621.339276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.339276][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4621.339276][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4621.339276][ T73] fib6_nh_init+0xa22/0x1580 [ 4621.339276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.339276][ T73] ip6_route_add+0x1c/0x140 [ 4621.339276][ T73] inet6_rtm_newroute+0x104/0x110 [ 4621.339276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.339276][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.339276][ T73] netlink_unicast+0x449/0x710 [ 4621.339276][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.339276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.339276][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.339276][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.339276][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.339276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.339276][ T73] [ 4621.341245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.341245][ T73] dst_init+0x84/0x4a0 [ 4621.341245][ T73] dst_alloc+0x97/0x150 [ 4621.341245][ T73] ip6_dst_alloc+0x23/0x90 [ 4621.341245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4621.341245][ T73] ip6_pol_route+0x56f/0x840 [ 4621.341245][ T73] fib6_rule_lookup+0x456/0x630 [ 4621.341245][ T73] ip6_route_input+0x59c/0xa50 [ 4621.341245][ T73] ipv6_rcv+0x397/0x810 [ 4621.341245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4621.341245][ T73] process_backlog+0x101/0x620 [ 4621.341245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4621.341245][ T73] net_rx_action+0x495/0xbe0 [ 4621.341245][ T73] __do_softirq+0x1b5/0x7f6 [ 4621.341245][ T73] [ 4621.343021][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.343021][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.343021][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.343021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.343021][ T73] ip6_route_add+0x1c/0x140 [ 4621.343021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4621.343021][ T73] inet6_addr_add+0x4f8/0xa40 [ 4621.343021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.343021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.343021][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.343021][ T73] netlink_unicast+0x449/0x710 [ 4621.343021][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.343021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.343021][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.343021][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.343021][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.343021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.343021][ T73] [ 4621.345432][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.345432][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.345432][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.345432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.345432][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4621.345432][ T73] ipv6_add_addr+0x411/0x2000 [ 4621.345432][ T73] inet6_addr_add+0x30e/0xa40 [ 4621.345432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.345432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.345432][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.345432][ T73] netlink_unicast+0x449/0x710 [ 4621.345432][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.345432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.345432][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.345432][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.345432][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.345432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.345432][ T73] [ 4621.347765][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.347765][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.347765][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.347765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.347765][ T73] ip6_route_add+0x1c/0x140 [ 4621.347765][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4621.347765][ T73] addrconf_add_dev+0xe2/0x170 [ 4621.347765][ T73] inet6_addr_add+0x12f/0xa40 [ 4621.347765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.347765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.347765][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.347765][ T73] netlink_unicast+0x449/0x710 [ 4621.347765][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.347765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.347765][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.347765][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.347765][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.347765][ T73] [ 4621.350072][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.350072][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4621.350072][ T73] ipv6_find_idev+0x102/0x170 [ 4621.350072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.350072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.350072][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.350072][ T73] netlink_unicast+0x449/0x710 [ 4621.350072][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.350072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.350072][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.350072][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.350072][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.350072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.350072][ T73] [ 4621.351804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4621.351804][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4621.351804][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4621.351804][ T73] ipv6_find_idev+0x102/0x170 [ 4621.351804][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.351804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.351804][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.351804][ T73] netlink_unicast+0x449/0x710 [ 4621.351804][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.351804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.351804][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.351804][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.351804][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.351804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.351804][ T73] [ 4621.353933][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4621.354264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4621.354264][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.354264][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.354264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.354264][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4621.354264][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4621.354264][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4621.354264][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4621.354264][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4621.354264][ T73] addrconf_dad_begin+0x310/0x670 [ 4621.354264][ T73] addrconf_dad_work+0x10b/0xab0 [ 4621.354264][ T73] process_one_work+0x84d/0x18a0 [ 4621.354264][ T73] worker_thread+0x587/0xd30 [ 4621.354264][ T73] kthread+0x28a/0x350 [ 4621.354264][ T73] ret_from_fork+0x31/0x70 [ 4621.354264][ T73] ret_from_fork_asm+0x1a/0x30 [ 4621.354264][ T73] [ 4621.356463][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4621.356463][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.356463][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.356463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.356463][ T73] ip6_route_add+0x1c/0x140 [ 4621.356463][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4621.356463][ T73] inet6_addr_add+0x4f8/0xa40 [ 4621.356463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.356463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.356463][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.356463][ T73] netlink_unicast+0x449/0x710 [ 4621.356463][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.356463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.356463][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.356463][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.356463][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.356463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.356463][ T73] [ 4621.358741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4621.358741][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.358741][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.358741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.358741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4621.358741][ T73] ipv6_add_addr+0x411/0x2000 [ 4621.358741][ T73] inet6_addr_add+0x30e/0xa40 [ 4621.358741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.358741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.358741][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.358741][ T73] netlink_unicast+0x449/0x710 [ 4621.358741][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.358741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.358741][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.358741][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.358741][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.358741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.358741][ T73] [ 4621.361088][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4621.361088][ T73] netdev_get_by_index+0x5e/0x80 [ 4621.361088][ T73] fib6_nh_init+0x3d8/0x1580 [ 4621.361088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4621.361088][ T73] ip6_route_add+0x1c/0x140 [ 4621.361088][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4621.361088][ T73] addrconf_add_dev+0xe2/0x170 [ 4621.361088][ T73] inet6_addr_add+0x12f/0xa40 [ 4621.361088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.361088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.361088][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.361088][ T73] netlink_unicast+0x449/0x710 [ 4621.361088][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.361088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.361088][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.361088][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.361088][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.361088][ T73] [ 4621.363397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4621.363397][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4621.363397][ T73] ipv6_find_idev+0x102/0x170 [ 4621.363397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.363397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.363397][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.363397][ T73] netlink_unicast+0x449/0x710 [ 4621.363397][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.363397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.363397][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.363397][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.363397][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.363397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.363397][ T73] [ 4621.365265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4621.365265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4621.365265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4621.365265][ T73] ipv6_find_idev+0x102/0x170 [ 4621.365265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.365265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.365265][ T73] netlink_rcv_skb+0x130/0x360 [ 4621.365265][ T73] netlink_unicast+0x449/0x710 [ 4621.365265][ T73] netlink_sendmsg+0x723/0xbe0 [ 4621.365265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4621.365265][ T73] ___sys_sendmsg+0xee/0x170 [ 4621.365265][ T73] __sys_sendmsg+0xcd/0x170 [ 4621.365265][ T73] do_syscall_64+0xc6/0x1e0 [ 4621.365265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.365265][ T73] [ 4631.614853][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4631.615572][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.615572][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4631.615572][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4631.615572][ T73] fib6_nh_init+0xa22/0x1580 [ 4631.615572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.615572][ T73] ip6_route_add+0x1c/0x140 [ 4631.615572][ T73] inet6_rtm_newroute+0x104/0x110 [ 4631.615572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.615572][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.615572][ T73] netlink_unicast+0x449/0x710 [ 4631.615572][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.615572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.615572][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.615572][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.615572][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.615572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.615572][ T73] [ 4631.618558][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.618558][ T73] dst_init+0x84/0x4a0 [ 4631.618558][ T73] dst_alloc+0x97/0x150 [ 4631.618558][ T73] ip6_dst_alloc+0x23/0x90 [ 4631.618558][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4631.618558][ T73] ip6_pol_route+0x56f/0x840 [ 4631.618558][ T73] fib6_rule_lookup+0x456/0x630 [ 4631.618558][ T73] ip6_route_input+0x59c/0xa50 [ 4631.618558][ T73] ipv6_rcv+0x397/0x810 [ 4631.618558][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4631.618558][ T73] process_backlog+0x101/0x620 [ 4631.618558][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4631.618558][ T73] net_rx_action+0x495/0xbe0 [ 4631.618558][ T73] __do_softirq+0x1b5/0x7f6 [ 4631.618558][ T73] [ 4631.621205][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.621205][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.621205][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.621205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.621205][ T73] ip6_route_add+0x1c/0x140 [ 4631.621205][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4631.621205][ T73] inet6_addr_add+0x4f8/0xa40 [ 4631.621205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.621205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.621205][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.621205][ T73] netlink_unicast+0x449/0x710 [ 4631.621205][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.621205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.621205][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.621205][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.621205][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.621205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.621205][ T73] [ 4631.624556][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.624556][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.624556][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.624556][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.624556][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4631.624556][ T73] ipv6_add_addr+0x411/0x2000 [ 4631.624556][ T73] inet6_addr_add+0x30e/0xa40 [ 4631.624556][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.624556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.624556][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.624556][ T73] netlink_unicast+0x449/0x710 [ 4631.624556][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.624556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.624556][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.624556][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.624556][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.624556][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.624556][ T73] [ 4631.627756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.627756][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.627756][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.627756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.627756][ T73] ip6_route_add+0x1c/0x140 [ 4631.627756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4631.627756][ T73] addrconf_add_dev+0xe2/0x170 [ 4631.627756][ T73] inet6_addr_add+0x12f/0xa40 [ 4631.627756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.627756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.627756][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.627756][ T73] netlink_unicast+0x449/0x710 [ 4631.627756][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.627756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.627756][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.627756][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.627756][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.627756][ T73] [ 4631.630880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.630880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4631.630880][ T73] ipv6_find_idev+0x102/0x170 [ 4631.630880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.630880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.630880][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.630880][ T73] netlink_unicast+0x449/0x710 [ 4631.630880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.630880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.630880][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.630880][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.630880][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.630880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.630880][ T73] [ 4631.633314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4631.633314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4631.633314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4631.633314][ T73] ipv6_find_idev+0x102/0x170 [ 4631.633314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.633314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.633314][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.633314][ T73] netlink_unicast+0x449/0x710 [ 4631.633314][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.633314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.633314][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.633314][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.633314][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.633314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.633314][ T73] [ 4631.636061][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4631.636498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.636498][ T73] dst_init+0x84/0x4a0 [ 4631.636498][ T73] dst_alloc+0x97/0x150 [ 4631.636498][ T73] ip6_dst_alloc+0x23/0x90 [ 4631.636498][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4631.636498][ T73] ip6_pol_route+0x56f/0x840 [ 4631.636498][ T73] fib6_rule_lookup+0x456/0x630 [ 4631.636498][ T73] ip6_route_input+0x59c/0xa50 [ 4631.636498][ T73] ipv6_rcv+0x397/0x810 [ 4631.636498][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4631.636498][ T73] process_backlog+0x101/0x620 [ 4631.636498][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4631.636498][ T73] net_rx_action+0x495/0xbe0 [ 4631.636498][ T73] __do_softirq+0x1b5/0x7f6 [ 4631.636498][ T73] [ 4631.639200][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.639200][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.639200][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.639200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.639200][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4631.639200][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4631.639200][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4631.639200][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4631.639200][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4631.639200][ T73] addrconf_dad_begin+0x310/0x670 [ 4631.639200][ T73] addrconf_dad_work+0x10b/0xab0 [ 4631.639200][ T73] process_one_work+0x84d/0x18a0 [ 4631.639200][ T73] worker_thread+0x587/0xd30 [ 4631.639200][ T73] kthread+0x28a/0x350 [ 4631.639200][ T73] ret_from_fork+0x31/0x70 [ 4631.639200][ T73] ret_from_fork_asm+0x1a/0x30 [ 4631.639200][ T73] [ 4631.642306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.642306][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.642306][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.642306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.642306][ T73] ip6_route_add+0x1c/0x140 [ 4631.642306][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4631.642306][ T73] inet6_addr_add+0x4f8/0xa40 [ 4631.642306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.642306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.642306][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.642306][ T73] netlink_unicast+0x449/0x710 [ 4631.642306][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.642306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.642306][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.642306][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.642306][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.642306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.642306][ T73] [ 4631.645552][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.645552][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.645552][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.645552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.645552][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4631.645552][ T73] ipv6_add_addr+0x411/0x2000 [ 4631.645552][ T73] inet6_addr_add+0x30e/0xa40 [ 4631.645552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.645552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.645552][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.645552][ T73] netlink_unicast+0x449/0x710 [ 4631.645552][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.645552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.645552][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.645552][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.645552][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.645552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.645552][ T73] [ 4631.648792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.648792][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.648792][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.648792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.648792][ T73] ip6_route_add+0x1c/0x140 [ 4631.648792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4631.648792][ T73] addrconf_add_dev+0xe2/0x170 [ 4631.648792][ T73] inet6_addr_add+0x12f/0xa40 [ 4631.648792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.648792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.648792][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.648792][ T73] netlink_unicast+0x449/0x710 [ 4631.648792][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.648792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.648792][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.648792][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.648792][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.648792][ T73] [ 4631.651992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.651992][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4631.651992][ T73] ipv6_find_idev+0x102/0x170 [ 4631.651992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.651992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.651992][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.651992][ T73] netlink_unicast+0x449/0x710 [ 4631.651992][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.651992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.651992][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.651992][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.651992][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.651992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.651992][ T73] [ 4631.654489][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4631.654489][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4631.654489][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4631.654489][ T73] ipv6_find_idev+0x102/0x170 [ 4631.654489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.654489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.654489][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.654489][ T73] netlink_unicast+0x449/0x710 [ 4631.654489][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.654489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.654489][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.654489][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.654489][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.654489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.654489][ T73] [ 4631.657460][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4631.657921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.657921][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4631.657921][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4631.657921][ T73] fib6_nh_init+0xa22/0x1580 [ 4631.657921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.657921][ T73] ip6_route_add+0x1c/0x140 [ 4631.657921][ T73] inet6_rtm_newroute+0x104/0x110 [ 4631.657921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.657921][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.657921][ T73] netlink_unicast+0x449/0x710 [ 4631.657921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.657921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.657921][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.657921][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.657921][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.657921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.657921][ T73] [ 4631.661412][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.661412][ T73] dst_init+0x84/0x4a0 [ 4631.661412][ T73] dst_alloc+0x97/0x150 [ 4631.661412][ T73] ip6_dst_alloc+0x23/0x90 [ 4631.661412][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4631.661412][ T73] ip6_pol_route+0x56f/0x840 [ 4631.661412][ T73] fib6_rule_lookup+0x456/0x630 [ 4631.661412][ T73] ip6_route_input+0x59c/0xa50 [ 4631.661412][ T73] ipv6_rcv+0x397/0x810 [ 4631.661412][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4631.661412][ T73] process_backlog+0x101/0x620 [ 4631.661412][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4631.661412][ T73] net_rx_action+0x495/0xbe0 [ 4631.661412][ T73] __do_softirq+0x1b5/0x7f6 [ 4631.661412][ T73] [ 4631.664310][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.664310][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.664310][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.664310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.664310][ T73] ip6_route_add+0x1c/0x140 [ 4631.664310][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4631.664310][ T73] inet6_addr_add+0x4f8/0xa40 [ 4631.664310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.664310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.664310][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.664310][ T73] netlink_unicast+0x449/0x710 [ 4631.664310][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.664310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.664310][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.664310][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.664310][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.664310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.664310][ T73] [ 4631.667955][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.667955][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.667955][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.667955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.667955][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4631.667955][ T73] ipv6_add_addr+0x411/0x2000 [ 4631.667955][ T73] inet6_addr_add+0x30e/0xa40 [ 4631.667955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.667955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.667955][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.667955][ T73] netlink_unicast+0x449/0x710 [ 4631.667955][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.667955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.667955][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.667955][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.667955][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.667955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.667955][ T73] [ 4631.671663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.671663][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.671663][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.671663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.671663][ T73] ip6_route_add+0x1c/0x140 [ 4631.671663][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4631.671663][ T73] addrconf_add_dev+0xe2/0x170 [ 4631.671663][ T73] inet6_addr_add+0x12f/0xa40 [ 4631.671663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.671663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.671663][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.671663][ T73] netlink_unicast+0x449/0x710 [ 4631.671663][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.671663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.671663][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.671663][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.671663][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.671663][ T73] [ 4631.675085][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.675085][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4631.675085][ T73] ipv6_find_idev+0x102/0x170 [ 4631.675085][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.675085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.675085][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.675085][ T73] netlink_unicast+0x449/0x710 [ 4631.675085][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.675085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.675085][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.675085][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.675085][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.675085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.675085][ T73] [ 4631.677855][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4631.677855][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4631.677855][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4631.677855][ T73] ipv6_find_idev+0x102/0x170 [ 4631.677855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.677855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.677855][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.677855][ T73] netlink_unicast+0x449/0x710 [ 4631.677855][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.677855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.677855][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.677855][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.677855][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.677855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.677855][ T73] [ 4631.681060][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4631.681493][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4631.681493][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.681493][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.681493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.681493][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4631.681493][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4631.681493][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4631.681493][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4631.681493][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4631.681493][ T73] addrconf_dad_begin+0x310/0x670 [ 4631.681493][ T73] addrconf_dad_work+0x10b/0xab0 [ 4631.681493][ T73] process_one_work+0x84d/0x18a0 [ 4631.681493][ T73] worker_thread+0x587/0xd30 [ 4631.681493][ T73] kthread+0x28a/0x350 [ 4631.681493][ T73] ret_from_fork+0x31/0x70 [ 4631.681493][ T73] ret_from_fork_asm+0x1a/0x30 [ 4631.681493][ T73] [ 4631.685147][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4631.685147][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.685147][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.685147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.685147][ T73] ip6_route_add+0x1c/0x140 [ 4631.685147][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4631.685147][ T73] inet6_addr_add+0x4f8/0xa40 [ 4631.685147][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.685147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.685147][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.685147][ T73] netlink_unicast+0x449/0x710 [ 4631.685147][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.685147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.685147][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.685147][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.685147][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.685147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.685147][ T73] [ 4631.689797][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4631.689797][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.689797][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.689797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.689797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4631.689797][ T73] ipv6_add_addr+0x411/0x2000 [ 4631.689797][ T73] inet6_addr_add+0x30e/0xa40 [ 4631.689797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.689797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.689797][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.689797][ T73] netlink_unicast+0x449/0x710 [ 4631.689797][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.689797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.689797][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.689797][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.689797][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.689797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.689797][ T73] [ 4631.693358][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4631.693358][ T73] netdev_get_by_index+0x5e/0x80 [ 4631.693358][ T73] fib6_nh_init+0x3d8/0x1580 [ 4631.693358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4631.693358][ T73] ip6_route_add+0x1c/0x140 [ 4631.693358][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4631.693358][ T73] addrconf_add_dev+0xe2/0x170 [ 4631.693358][ T73] inet6_addr_add+0x12f/0xa40 [ 4631.693358][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.693358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.693358][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.693358][ T73] netlink_unicast+0x449/0x710 [ 4631.693358][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.693358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.693358][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.693358][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.693358][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.693358][ T73] [ 4631.697070][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4631.697070][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4631.697070][ T73] ipv6_find_idev+0x102/0x170 [ 4631.697070][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.697070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.697070][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.697070][ T73] netlink_unicast+0x449/0x710 [ 4631.697070][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.697070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.697070][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.697070][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.697070][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.697070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.697070][ T73] [ 4631.699833][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4631.699833][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4631.699833][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4631.699833][ T73] ipv6_find_idev+0x102/0x170 [ 4631.699833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.699833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.699833][ T73] netlink_rcv_skb+0x130/0x360 [ 4631.699833][ T73] netlink_unicast+0x449/0x710 [ 4631.699833][ T73] netlink_sendmsg+0x723/0xbe0 [ 4631.699833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4631.699833][ T73] ___sys_sendmsg+0xee/0x170 [ 4631.699833][ T73] __sys_sendmsg+0xcd/0x170 [ 4631.699833][ T73] do_syscall_64+0xc6/0x1e0 [ 4631.699833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.699833][ T73] [ 4641.718895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4641.719367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.719367][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4641.719367][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4641.719367][ T73] fib6_nh_init+0xa22/0x1580 [ 4641.719367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.719367][ T73] ip6_route_add+0x1c/0x140 [ 4641.719367][ T73] inet6_rtm_newroute+0x104/0x110 [ 4641.719367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.719367][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.719367][ T73] netlink_unicast+0x449/0x710 [ 4641.719367][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.719367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.719367][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.719367][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.719367][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.719367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.719367][ T73] [ 4641.721438][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.721438][ T73] dst_init+0x84/0x4a0 [ 4641.721438][ T73] dst_alloc+0x97/0x150 [ 4641.721438][ T73] ip6_dst_alloc+0x23/0x90 [ 4641.721438][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4641.721438][ T73] ip6_pol_route+0x56f/0x840 [ 4641.721438][ T73] fib6_rule_lookup+0x456/0x630 [ 4641.721438][ T73] ip6_route_input+0x59c/0xa50 [ 4641.721438][ T73] ipv6_rcv+0x397/0x810 [ 4641.721438][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4641.721438][ T73] process_backlog+0x101/0x620 [ 4641.721438][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4641.721438][ T73] net_rx_action+0x495/0xbe0 [ 4641.721438][ T73] __do_softirq+0x1b5/0x7f6 [ 4641.721438][ T73] [ 4641.723170][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.723170][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.723170][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.723170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.723170][ T73] ip6_route_add+0x1c/0x140 [ 4641.723170][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4641.723170][ T73] inet6_addr_add+0x4f8/0xa40 [ 4641.723170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.723170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.723170][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.723170][ T73] netlink_unicast+0x449/0x710 [ 4641.723170][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.723170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.723170][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.723170][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.723170][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.723170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.723170][ T73] [ 4641.725276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.725276][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.725276][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.725276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.725276][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4641.725276][ T73] ipv6_add_addr+0x411/0x2000 [ 4641.725276][ T73] inet6_addr_add+0x30e/0xa40 [ 4641.725276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.725276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.725276][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.725276][ T73] netlink_unicast+0x449/0x710 [ 4641.725276][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.725276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.725276][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.725276][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.725276][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.725276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.725276][ T73] [ 4641.727394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.727394][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.727394][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.727394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.727394][ T73] ip6_route_add+0x1c/0x140 [ 4641.727394][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4641.727394][ T73] addrconf_add_dev+0xe2/0x170 [ 4641.727394][ T73] inet6_addr_add+0x12f/0xa40 [ 4641.727394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.727394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.727394][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.727394][ T73] netlink_unicast+0x449/0x710 [ 4641.727394][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.727394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.727394][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.727394][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.727394][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.727394][ T73] [ 4641.729493][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.729493][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4641.729493][ T73] ipv6_find_idev+0x102/0x170 [ 4641.729493][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.729493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.729493][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.729493][ T73] netlink_unicast+0x449/0x710 [ 4641.729493][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.729493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.729493][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.729493][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.729493][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.729493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.729493][ T73] [ 4641.731123][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4641.731123][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4641.731123][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4641.731123][ T73] ipv6_find_idev+0x102/0x170 [ 4641.731123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.731123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.731123][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.731123][ T73] netlink_unicast+0x449/0x710 [ 4641.731123][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.731123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.731123][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.731123][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.731123][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.731123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.731123][ T73] [ 4641.732912][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4641.733198][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.733198][ T73] dst_init+0x84/0x4a0 [ 4641.733198][ T73] dst_alloc+0x97/0x150 [ 4641.733198][ T73] ip6_dst_alloc+0x23/0x90 [ 4641.733198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4641.733198][ T73] ip6_pol_route+0x56f/0x840 [ 4641.733198][ T73] fib6_rule_lookup+0x456/0x630 [ 4641.733198][ T73] ip6_route_input+0x59c/0xa50 [ 4641.733198][ T73] ipv6_rcv+0x397/0x810 [ 4641.733198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4641.733198][ T73] process_backlog+0x101/0x620 [ 4641.733198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4641.733198][ T73] net_rx_action+0x495/0xbe0 [ 4641.733198][ T73] __do_softirq+0x1b5/0x7f6 [ 4641.733198][ T73] [ 4641.734922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.734922][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.734922][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.734922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.734922][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4641.734922][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4641.734922][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4641.734922][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4641.734922][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4641.734922][ T73] addrconf_dad_begin+0x310/0x670 [ 4641.734922][ T73] addrconf_dad_work+0x10b/0xab0 [ 4641.734922][ T73] process_one_work+0x84d/0x18a0 [ 4641.734922][ T73] worker_thread+0x587/0xd30 [ 4641.734922][ T73] kthread+0x28a/0x350 [ 4641.734922][ T73] ret_from_fork+0x31/0x70 [ 4641.734922][ T73] ret_from_fork_asm+0x1a/0x30 [ 4641.734922][ T73] [ 4641.736935][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.736935][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.736935][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.736935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.736935][ T73] ip6_route_add+0x1c/0x140 [ 4641.736935][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4641.736935][ T73] inet6_addr_add+0x4f8/0xa40 [ 4641.736935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.736935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.736935][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.736935][ T73] netlink_unicast+0x449/0x710 [ 4641.736935][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.736935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.736935][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.736935][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.736935][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.736935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.736935][ T73] [ 4641.739039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.739039][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.739039][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.739039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.739039][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4641.739039][ T73] ipv6_add_addr+0x411/0x2000 [ 4641.739039][ T73] inet6_addr_add+0x30e/0xa40 [ 4641.739039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.739039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.739039][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.739039][ T73] netlink_unicast+0x449/0x710 [ 4641.739039][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.739039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.739039][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.739039][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.739039][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.739039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.739039][ T73] [ 4641.741144][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.741144][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.741144][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.741144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.741144][ T73] ip6_route_add+0x1c/0x140 [ 4641.741144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4641.741144][ T73] addrconf_add_dev+0xe2/0x170 [ 4641.741144][ T73] inet6_addr_add+0x12f/0xa40 [ 4641.741144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.741144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.741144][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.741144][ T73] netlink_unicast+0x449/0x710 [ 4641.741144][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.741144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.741144][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.741144][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.741144][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.741144][ T73] [ 4641.743210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.743210][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4641.743210][ T73] ipv6_find_idev+0x102/0x170 [ 4641.743210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.743210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.743210][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.743210][ T73] netlink_unicast+0x449/0x710 [ 4641.743210][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.743210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.743210][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.743210][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.743210][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.743210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.743210][ T73] [ 4641.744824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4641.744824][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4641.744824][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4641.744824][ T73] ipv6_find_idev+0x102/0x170 [ 4641.744824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.744824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.744824][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.744824][ T73] netlink_unicast+0x449/0x710 [ 4641.744824][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.744824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.744824][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.744824][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.744824][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.744824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.744824][ T73] [ 4641.746726][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4641.747034][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.747034][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4641.747034][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4641.747034][ T73] fib6_nh_init+0xa22/0x1580 [ 4641.747034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.747034][ T73] ip6_route_add+0x1c/0x140 [ 4641.747034][ T73] inet6_rtm_newroute+0x104/0x110 [ 4641.747034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.747034][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.747034][ T73] netlink_unicast+0x449/0x710 [ 4641.747034][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.747034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.747034][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.747034][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.747034][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.747034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.747034][ T73] [ 4641.749332][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.749332][ T73] dst_init+0x84/0x4a0 [ 4641.749332][ T73] dst_alloc+0x97/0x150 [ 4641.749332][ T73] ip6_dst_alloc+0x23/0x90 [ 4641.749332][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4641.749332][ T73] ip6_pol_route+0x56f/0x840 [ 4641.749332][ T73] fib6_rule_lookup+0x456/0x630 [ 4641.749332][ T73] ip6_route_input+0x59c/0xa50 [ 4641.749332][ T73] ipv6_rcv+0x397/0x810 [ 4641.749332][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4641.749332][ T73] process_backlog+0x101/0x620 [ 4641.749332][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4641.749332][ T73] net_rx_action+0x495/0xbe0 [ 4641.749332][ T73] __do_softirq+0x1b5/0x7f6 [ 4641.749332][ T73] [ 4641.751230][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.751230][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.751230][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.751230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.751230][ T73] ip6_route_add+0x1c/0x140 [ 4641.751230][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4641.751230][ T73] inet6_addr_add+0x4f8/0xa40 [ 4641.751230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.751230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.751230][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.751230][ T73] netlink_unicast+0x449/0x710 [ 4641.751230][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.751230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.751230][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.751230][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.751230][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.751230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.751230][ T73] [ 4641.753572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.753572][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.753572][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.753572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.753572][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4641.753572][ T73] ipv6_add_addr+0x411/0x2000 [ 4641.753572][ T73] inet6_addr_add+0x30e/0xa40 [ 4641.753572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.753572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.753572][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.753572][ T73] netlink_unicast+0x449/0x710 [ 4641.753572][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.753572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.753572][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.753572][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.753572][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.753572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.753572][ T73] [ 4641.755915][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.755915][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.755915][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.755915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.755915][ T73] ip6_route_add+0x1c/0x140 [ 4641.755915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4641.755915][ T73] addrconf_add_dev+0xe2/0x170 [ 4641.755915][ T73] inet6_addr_add+0x12f/0xa40 [ 4641.755915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.755915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.755915][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.755915][ T73] netlink_unicast+0x449/0x710 [ 4641.755915][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.755915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.755915][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.755915][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.755915][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.755915][ T73] [ 4641.758162][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.758162][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4641.758162][ T73] ipv6_find_idev+0x102/0x170 [ 4641.758162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.758162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.758162][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.758162][ T73] netlink_unicast+0x449/0x710 [ 4641.758162][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.758162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.758162][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.758162][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.758162][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.758162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.758162][ T73] [ 4641.760027][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4641.760027][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4641.760027][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4641.760027][ T73] ipv6_find_idev+0x102/0x170 [ 4641.760027][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.760027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.760027][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.760027][ T73] netlink_unicast+0x449/0x710 [ 4641.760027][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.760027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.760027][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.760027][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.760027][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.760027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.760027][ T73] [ 4641.762043][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4641.762334][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4641.762334][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.762334][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.762334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.762334][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4641.762334][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4641.762334][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4641.762334][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4641.762334][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4641.762334][ T73] addrconf_dad_begin+0x310/0x670 [ 4641.762334][ T73] addrconf_dad_work+0x10b/0xab0 [ 4641.762334][ T73] process_one_work+0x84d/0x18a0 [ 4641.762334][ T73] worker_thread+0x587/0xd30 [ 4641.762334][ T73] kthread+0x28a/0x350 [ 4641.762334][ T73] ret_from_fork+0x31/0x70 [ 4641.762334][ T73] ret_from_fork_asm+0x1a/0x30 [ 4641.762334][ T73] [ 4641.764598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4641.764598][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.764598][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.764598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.764598][ T73] ip6_route_add+0x1c/0x140 [ 4641.764598][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4641.764598][ T73] inet6_addr_add+0x4f8/0xa40 [ 4641.764598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.764598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.764598][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.764598][ T73] netlink_unicast+0x449/0x710 [ 4641.764598][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.764598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.764598][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.764598][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.764598][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.764598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.764598][ T73] [ 4641.766941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4641.766941][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.766941][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.766941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.766941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4641.766941][ T73] ipv6_add_addr+0x411/0x2000 [ 4641.766941][ T73] inet6_addr_add+0x30e/0xa40 [ 4641.766941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.766941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.766941][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.766941][ T73] netlink_unicast+0x449/0x710 [ 4641.766941][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.766941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.766941][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.766941][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.766941][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.766941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.766941][ T73] [ 4641.769296][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4641.769296][ T73] netdev_get_by_index+0x5e/0x80 [ 4641.769296][ T73] fib6_nh_init+0x3d8/0x1580 [ 4641.769296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4641.769296][ T73] ip6_route_add+0x1c/0x140 [ 4641.769296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4641.769296][ T73] addrconf_add_dev+0xe2/0x170 [ 4641.769296][ T73] inet6_addr_add+0x12f/0xa40 [ 4641.769296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.769296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.769296][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.769296][ T73] netlink_unicast+0x449/0x710 [ 4641.769296][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.769296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.769296][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.769296][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.769296][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.769296][ T73] [ 4641.771616][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4641.771616][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4641.771616][ T73] ipv6_find_idev+0x102/0x170 [ 4641.771616][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.771616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.771616][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.771616][ T73] netlink_unicast+0x449/0x710 [ 4641.771616][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.771616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.771616][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.771616][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.771616][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.771616][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.771616][ T73] [ 4641.773416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4641.773416][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4641.773416][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4641.773416][ T73] ipv6_find_idev+0x102/0x170 [ 4641.773416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.773416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.773416][ T73] netlink_rcv_skb+0x130/0x360 [ 4641.773416][ T73] netlink_unicast+0x449/0x710 [ 4641.773416][ T73] netlink_sendmsg+0x723/0xbe0 [ 4641.773416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4641.773416][ T73] ___sys_sendmsg+0xee/0x170 [ 4641.773416][ T73] __sys_sendmsg+0xcd/0x170 [ 4641.773416][ T73] do_syscall_64+0xc6/0x1e0 [ 4641.773416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.773416][ T73] [ 4651.830918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4651.831407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.831407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4651.831407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4651.831407][ T73] fib6_nh_init+0xa22/0x1580 [ 4651.831407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.831407][ T73] ip6_route_add+0x1c/0x140 [ 4651.831407][ T73] inet6_rtm_newroute+0x104/0x110 [ 4651.831407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.831407][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.831407][ T73] netlink_unicast+0x449/0x710 [ 4651.831407][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.831407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.831407][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.831407][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.831407][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.831407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.831407][ T73] [ 4651.833376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.833376][ T73] dst_init+0x84/0x4a0 [ 4651.833376][ T73] dst_alloc+0x97/0x150 [ 4651.833376][ T73] ip6_dst_alloc+0x23/0x90 [ 4651.833376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4651.833376][ T73] ip6_pol_route+0x56f/0x840 [ 4651.833376][ T73] fib6_rule_lookup+0x456/0x630 [ 4651.833376][ T73] ip6_route_input+0x59c/0xa50 [ 4651.833376][ T73] ipv6_rcv+0x397/0x810 [ 4651.833376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4651.833376][ T73] process_backlog+0x101/0x620 [ 4651.833376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4651.833376][ T73] net_rx_action+0x495/0xbe0 [ 4651.833376][ T73] __do_softirq+0x1b5/0x7f6 [ 4651.833376][ T73] [ 4651.835120][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.835120][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.835120][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.835120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.835120][ T73] ip6_route_add+0x1c/0x140 [ 4651.835120][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4651.835120][ T73] inet6_addr_add+0x4f8/0xa40 [ 4651.835120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.835120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.835120][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.835120][ T73] netlink_unicast+0x449/0x710 [ 4651.835120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.835120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.835120][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.835120][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.835120][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.835120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.835120][ T73] [ 4651.837098][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.837098][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.837098][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.837098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.837098][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4651.837098][ T73] ipv6_add_addr+0x411/0x2000 [ 4651.837098][ T73] inet6_addr_add+0x30e/0xa40 [ 4651.837098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.837098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.837098][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.837098][ T73] netlink_unicast+0x449/0x710 [ 4651.837098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.837098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.837098][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.837098][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.837098][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.837098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.837098][ T73] [ 4651.839101][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.839101][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.839101][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.839101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.839101][ T73] ip6_route_add+0x1c/0x140 [ 4651.839101][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4651.839101][ T73] addrconf_add_dev+0xe2/0x170 [ 4651.839101][ T73] inet6_addr_add+0x12f/0xa40 [ 4651.839101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.839101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.839101][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.839101][ T73] netlink_unicast+0x449/0x710 [ 4651.839101][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.839101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.839101][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.839101][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.839101][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.839101][ T73] [ 4651.841046][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.841046][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4651.841046][ T73] ipv6_find_idev+0x102/0x170 [ 4651.841046][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.841046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.841046][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.841046][ T73] netlink_unicast+0x449/0x710 [ 4651.841046][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.841046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.841046][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.841046][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.841046][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.841046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.841046][ T73] [ 4651.842574][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4651.842574][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4651.842574][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4651.842574][ T73] ipv6_find_idev+0x102/0x170 [ 4651.842574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.842574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.842574][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.842574][ T73] netlink_unicast+0x449/0x710 [ 4651.842574][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.842574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.842574][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.842574][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.842574][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.842574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.842574][ T73] [ 4651.844256][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4651.844530][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.844530][ T73] dst_init+0x84/0x4a0 [ 4651.844530][ T73] dst_alloc+0x97/0x150 [ 4651.844530][ T73] ip6_dst_alloc+0x23/0x90 [ 4651.844530][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4651.844530][ T73] ip6_pol_route+0x56f/0x840 [ 4651.844530][ T73] fib6_rule_lookup+0x456/0x630 [ 4651.844530][ T73] ip6_route_input+0x59c/0xa50 [ 4651.844530][ T73] ipv6_rcv+0x397/0x810 [ 4651.844530][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4651.844530][ T73] process_backlog+0x101/0x620 [ 4651.844530][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4651.844530][ T73] net_rx_action+0x495/0xbe0 [ 4651.844530][ T73] __do_softirq+0x1b5/0x7f6 [ 4651.844530][ T73] [ 4651.846159][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.846159][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.846159][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.846159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.846159][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4651.846159][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4651.846159][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4651.846159][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4651.846159][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4651.846159][ T73] addrconf_dad_begin+0x310/0x670 [ 4651.846159][ T73] addrconf_dad_work+0x10b/0xab0 [ 4651.846159][ T73] process_one_work+0x84d/0x18a0 [ 4651.846159][ T73] worker_thread+0x587/0xd30 [ 4651.846159][ T73] kthread+0x28a/0x350 [ 4651.846159][ T73] ret_from_fork+0x31/0x70 [ 4651.846159][ T73] ret_from_fork_asm+0x1a/0x30 [ 4651.846159][ T73] [ 4651.848079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.848079][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.848079][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.848079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.848079][ T73] ip6_route_add+0x1c/0x140 [ 4651.848079][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4651.848079][ T73] inet6_addr_add+0x4f8/0xa40 [ 4651.848079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.848079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.848079][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.848079][ T73] netlink_unicast+0x449/0x710 [ 4651.848079][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.848079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.848079][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.848079][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.848079][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.848079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.848079][ T73] [ 4651.850100][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.850100][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.850100][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.850100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.850100][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4651.850100][ T73] ipv6_add_addr+0x411/0x2000 [ 4651.850100][ T73] inet6_addr_add+0x30e/0xa40 [ 4651.850100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.850100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.850100][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.850100][ T73] netlink_unicast+0x449/0x710 [ 4651.850100][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.850100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.850100][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.850100][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.850100][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.850100][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.850100][ T73] [ 4651.852130][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.852130][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.852130][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.852130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.852130][ T73] ip6_route_add+0x1c/0x140 [ 4651.852130][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4651.852130][ T73] addrconf_add_dev+0xe2/0x170 [ 4651.852130][ T73] inet6_addr_add+0x12f/0xa40 [ 4651.852130][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.852130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.852130][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.852130][ T73] netlink_unicast+0x449/0x710 [ 4651.852130][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.852130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.852130][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.852130][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.852130][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.852130][ T73] [ 4651.854072][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.854072][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4651.854072][ T73] ipv6_find_idev+0x102/0x170 [ 4651.854072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.854072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.854072][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.854072][ T73] netlink_unicast+0x449/0x710 [ 4651.854072][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.854072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.854072][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.854072][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.854072][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.854072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.854072][ T73] [ 4651.855596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4651.855596][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4651.855596][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4651.855596][ T73] ipv6_find_idev+0x102/0x170 [ 4651.855596][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.855596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.855596][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.855596][ T73] netlink_unicast+0x449/0x710 [ 4651.855596][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.855596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.855596][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.855596][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.855596][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.855596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.855596][ T73] [ 4651.857386][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4651.857656][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.857656][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4651.857656][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4651.857656][ T73] fib6_nh_init+0xa22/0x1580 [ 4651.857656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.857656][ T73] ip6_route_add+0x1c/0x140 [ 4651.857656][ T73] inet6_rtm_newroute+0x104/0x110 [ 4651.857656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.857656][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.857656][ T73] netlink_unicast+0x449/0x710 [ 4651.857656][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.857656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.857656][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.857656][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.857656][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.857656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.857656][ T73] [ 4651.859881][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.859881][ T73] dst_init+0x84/0x4a0 [ 4651.859881][ T73] dst_alloc+0x97/0x150 [ 4651.859881][ T73] ip6_dst_alloc+0x23/0x90 [ 4651.859881][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4651.859881][ T73] ip6_pol_route+0x56f/0x840 [ 4651.859881][ T73] fib6_rule_lookup+0x456/0x630 [ 4651.859881][ T73] ip6_route_input+0x59c/0xa50 [ 4651.859881][ T73] ipv6_rcv+0x397/0x810 [ 4651.859881][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4651.859881][ T73] process_backlog+0x101/0x620 [ 4651.859881][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4651.859881][ T73] net_rx_action+0x495/0xbe0 [ 4651.859881][ T73] __do_softirq+0x1b5/0x7f6 [ 4651.859881][ T73] [ 4651.861753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.861753][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.861753][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.861753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.861753][ T73] ip6_route_add+0x1c/0x140 [ 4651.861753][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4651.861753][ T73] inet6_addr_add+0x4f8/0xa40 [ 4651.861753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.861753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.861753][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.861753][ T73] netlink_unicast+0x449/0x710 [ 4651.861753][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.861753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.861753][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.861753][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.861753][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.861753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.861753][ T73] [ 4651.864074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.864074][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.864074][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.864074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.864074][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4651.864074][ T73] ipv6_add_addr+0x411/0x2000 [ 4651.864074][ T73] inet6_addr_add+0x30e/0xa40 [ 4651.864074][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.864074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.864074][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.864074][ T73] netlink_unicast+0x449/0x710 [ 4651.864074][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.864074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.864074][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.864074][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.864074][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.864074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.864074][ T73] [ 4651.866404][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.866404][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.866404][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.866404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.866404][ T73] ip6_route_add+0x1c/0x140 [ 4651.866404][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4651.866404][ T73] addrconf_add_dev+0xe2/0x170 [ 4651.866404][ T73] inet6_addr_add+0x12f/0xa40 [ 4651.866404][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.866404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.866404][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.866404][ T73] netlink_unicast+0x449/0x710 [ 4651.866404][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.866404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.866404][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.866404][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.866404][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.866404][ T73] [ 4651.868676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.868676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4651.868676][ T73] ipv6_find_idev+0x102/0x170 [ 4651.868676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.868676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.868676][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.868676][ T73] netlink_unicast+0x449/0x710 [ 4651.868676][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.868676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.868676][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.868676][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.868676][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.868676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.868676][ T73] [ 4651.870420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4651.870420][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4651.870420][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4651.870420][ T73] ipv6_find_idev+0x102/0x170 [ 4651.870420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.870420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.870420][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.870420][ T73] netlink_unicast+0x449/0x710 [ 4651.870420][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.870420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.870420][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.870420][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.870420][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.870420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.870420][ T73] [ 4651.872333][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4651.872601][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4651.872601][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.872601][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.872601][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.872601][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4651.872601][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4651.872601][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4651.872601][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4651.872601][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4651.872601][ T73] addrconf_dad_begin+0x310/0x670 [ 4651.872601][ T73] addrconf_dad_work+0x10b/0xab0 [ 4651.872601][ T73] process_one_work+0x84d/0x18a0 [ 4651.872601][ T73] worker_thread+0x587/0xd30 [ 4651.872601][ T73] kthread+0x28a/0x350 [ 4651.872601][ T73] ret_from_fork+0x31/0x70 [ 4651.872601][ T73] ret_from_fork_asm+0x1a/0x30 [ 4651.872601][ T73] [ 4651.874728][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4651.874728][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.874728][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.874728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.874728][ T73] ip6_route_add+0x1c/0x140 [ 4651.874728][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4651.874728][ T73] inet6_addr_add+0x4f8/0xa40 [ 4651.874728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.874728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.874728][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.874728][ T73] netlink_unicast+0x449/0x710 [ 4651.874728][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.874728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.874728][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.874728][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.874728][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.874728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.874728][ T73] [ 4651.876973][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4651.876973][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.876973][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.876973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.876973][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4651.876973][ T73] ipv6_add_addr+0x411/0x2000 [ 4651.876973][ T73] inet6_addr_add+0x30e/0xa40 [ 4651.876973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.876973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.876973][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.876973][ T73] netlink_unicast+0x449/0x710 [ 4651.876973][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.876973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.876973][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.876973][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.876973][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.876973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.876973][ T73] [ 4651.879199][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4651.879199][ T73] netdev_get_by_index+0x5e/0x80 [ 4651.879199][ T73] fib6_nh_init+0x3d8/0x1580 [ 4651.879199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4651.879199][ T73] ip6_route_add+0x1c/0x140 [ 4651.879199][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4651.879199][ T73] addrconf_add_dev+0xe2/0x170 [ 4651.879199][ T73] inet6_addr_add+0x12f/0xa40 [ 4651.879199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.879199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.879199][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.879199][ T73] netlink_unicast+0x449/0x710 [ 4651.879199][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.879199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.879199][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.879199][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.879199][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.879199][ T73] [ 4651.881455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4651.881455][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4651.881455][ T73] ipv6_find_idev+0x102/0x170 [ 4651.881455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.881455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.881455][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.881455][ T73] netlink_unicast+0x449/0x710 [ 4651.881455][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.881455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.881455][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.881455][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.881455][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.881455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.881455][ T73] [ 4651.883229][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4651.883229][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4651.883229][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4651.883229][ T73] ipv6_find_idev+0x102/0x170 [ 4651.883229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.883229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.883229][ T73] netlink_rcv_skb+0x130/0x360 [ 4651.883229][ T73] netlink_unicast+0x449/0x710 [ 4651.883229][ T73] netlink_sendmsg+0x723/0xbe0 [ 4651.883229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4651.883229][ T73] ___sys_sendmsg+0xee/0x170 [ 4651.883229][ T73] __sys_sendmsg+0xcd/0x170 [ 4651.883229][ T73] do_syscall_64+0xc6/0x1e0 [ 4651.883229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.883229][ T73] [ 4662.126877][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4662.127335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.127335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4662.127335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4662.127335][ T73] fib6_nh_init+0xa22/0x1580 [ 4662.127335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.127335][ T73] ip6_route_add+0x1c/0x140 [ 4662.127335][ T73] inet6_rtm_newroute+0x104/0x110 [ 4662.127335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.127335][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.127335][ T73] netlink_unicast+0x449/0x710 [ 4662.127335][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.127335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.127335][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.127335][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.127335][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.127335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.127335][ T73] [ 4662.129323][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.129323][ T73] dst_init+0x84/0x4a0 [ 4662.129323][ T73] dst_alloc+0x97/0x150 [ 4662.129323][ T73] ip6_dst_alloc+0x23/0x90 [ 4662.129323][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4662.129323][ T73] ip6_pol_route+0x56f/0x840 [ 4662.129323][ T73] fib6_rule_lookup+0x456/0x630 [ 4662.129323][ T73] ip6_route_input+0x59c/0xa50 [ 4662.129323][ T73] ipv6_rcv+0x397/0x810 [ 4662.129323][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4662.129323][ T73] process_backlog+0x101/0x620 [ 4662.129323][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4662.129323][ T73] net_rx_action+0x495/0xbe0 [ 4662.129323][ T73] __do_softirq+0x1b5/0x7f6 [ 4662.129323][ T73] [ 4662.131029][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.131029][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.131029][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.131029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.131029][ T73] ip6_route_add+0x1c/0x140 [ 4662.131029][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4662.131029][ T73] inet6_addr_add+0x4f8/0xa40 [ 4662.131029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.131029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.131029][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.131029][ T73] netlink_unicast+0x449/0x710 [ 4662.131029][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.131029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.131029][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.131029][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.131029][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.131029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.131029][ T73] [ 4662.133110][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.133110][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.133110][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.133110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.133110][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4662.133110][ T73] ipv6_add_addr+0x411/0x2000 [ 4662.133110][ T73] inet6_addr_add+0x30e/0xa40 [ 4662.133110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.133110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.133110][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.133110][ T73] netlink_unicast+0x449/0x710 [ 4662.133110][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.133110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.133110][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.133110][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.133110][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.133110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.133110][ T73] [ 4662.135252][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.135252][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.135252][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.135252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.135252][ T73] ip6_route_add+0x1c/0x140 [ 4662.135252][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4662.135252][ T73] addrconf_add_dev+0xe2/0x170 [ 4662.135252][ T73] inet6_addr_add+0x12f/0xa40 [ 4662.135252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.135252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.135252][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.135252][ T73] netlink_unicast+0x449/0x710 [ 4662.135252][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.135252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.135252][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.135252][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.135252][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.135252][ T73] [ 4662.137382][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.137382][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4662.137382][ T73] ipv6_find_idev+0x102/0x170 [ 4662.137382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.137382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.137382][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.137382][ T73] netlink_unicast+0x449/0x710 [ 4662.137382][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.137382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.137382][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.137382][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.137382][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.137382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.137382][ T73] [ 4662.139059][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4662.139059][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4662.139059][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4662.139059][ T73] ipv6_find_idev+0x102/0x170 [ 4662.139059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.139059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.139059][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.139059][ T73] netlink_unicast+0x449/0x710 [ 4662.139059][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.139059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.139059][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.139059][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.139059][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.139059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.139059][ T73] [ 4662.140899][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4662.141186][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.141186][ T73] dst_init+0x84/0x4a0 [ 4662.141186][ T73] dst_alloc+0x97/0x150 [ 4662.141186][ T73] ip6_dst_alloc+0x23/0x90 [ 4662.141186][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4662.141186][ T73] ip6_pol_route+0x56f/0x840 [ 4662.141186][ T73] fib6_rule_lookup+0x456/0x630 [ 4662.141186][ T73] ip6_route_input+0x59c/0xa50 [ 4662.141186][ T73] ipv6_rcv+0x397/0x810 [ 4662.141186][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4662.141186][ T73] process_backlog+0x101/0x620 [ 4662.141186][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4662.141186][ T73] net_rx_action+0x495/0xbe0 [ 4662.141186][ T73] __do_softirq+0x1b5/0x7f6 [ 4662.141186][ T73] [ 4662.142975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.142975][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.142975][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.142975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.142975][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4662.142975][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4662.142975][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4662.142975][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4662.142975][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4662.142975][ T73] addrconf_dad_begin+0x310/0x670 [ 4662.142975][ T73] addrconf_dad_work+0x10b/0xab0 [ 4662.142975][ T73] process_one_work+0x84d/0x18a0 [ 4662.142975][ T73] worker_thread+0x587/0xd30 [ 4662.142975][ T73] kthread+0x28a/0x350 [ 4662.142975][ T73] ret_from_fork+0x31/0x70 [ 4662.142975][ T73] ret_from_fork_asm+0x1a/0x30 [ 4662.142975][ T73] [ 4662.145073][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.145073][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.145073][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.145073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.145073][ T73] ip6_route_add+0x1c/0x140 [ 4662.145073][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4662.145073][ T73] inet6_addr_add+0x4f8/0xa40 [ 4662.145073][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.145073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.145073][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.145073][ T73] netlink_unicast+0x449/0x710 [ 4662.145073][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.145073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.145073][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.145073][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.145073][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.145073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.145073][ T73] [ 4662.147217][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.147217][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.147217][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.147217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.147217][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4662.147217][ T73] ipv6_add_addr+0x411/0x2000 [ 4662.147217][ T73] inet6_addr_add+0x30e/0xa40 [ 4662.147217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.147217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.147217][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.147217][ T73] netlink_unicast+0x449/0x710 [ 4662.147217][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.147217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.147217][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.147217][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.147217][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.147217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.147217][ T73] [ 4662.149383][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.149383][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.149383][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.149383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.149383][ T73] ip6_route_add+0x1c/0x140 [ 4662.149383][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4662.149383][ T73] addrconf_add_dev+0xe2/0x170 [ 4662.149383][ T73] inet6_addr_add+0x12f/0xa40 [ 4662.149383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.149383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.149383][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.149383][ T73] netlink_unicast+0x449/0x710 [ 4662.149383][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.149383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.149383][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.149383][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.149383][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.149383][ T73] [ 4662.151502][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.151502][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4662.151502][ T73] ipv6_find_idev+0x102/0x170 [ 4662.151502][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.151502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.151502][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.151502][ T73] netlink_unicast+0x449/0x710 [ 4662.151502][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.151502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.151502][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.151502][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.151502][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.151502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.151502][ T73] [ 4662.153149][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4662.153149][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4662.153149][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4662.153149][ T73] ipv6_find_idev+0x102/0x170 [ 4662.153149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.153149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.153149][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.153149][ T73] netlink_unicast+0x449/0x710 [ 4662.153149][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.153149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.153149][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.153149][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.153149][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.153149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.153149][ T73] [ 4662.155164][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4662.155440][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.155440][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4662.155440][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4662.155440][ T73] fib6_nh_init+0xa22/0x1580 [ 4662.155440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.155440][ T73] ip6_route_add+0x1c/0x140 [ 4662.155440][ T73] inet6_rtm_newroute+0x104/0x110 [ 4662.155440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.155440][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.155440][ T73] netlink_unicast+0x449/0x710 [ 4662.155440][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.155440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.155440][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.155440][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.155440][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.155440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.155440][ T73] [ 4662.157690][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.157690][ T73] dst_init+0x84/0x4a0 [ 4662.157690][ T73] dst_alloc+0x97/0x150 [ 4662.157690][ T73] ip6_dst_alloc+0x23/0x90 [ 4662.157690][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4662.157690][ T73] ip6_pol_route+0x56f/0x840 [ 4662.157690][ T73] fib6_rule_lookup+0x456/0x630 [ 4662.157690][ T73] ip6_route_input+0x59c/0xa50 [ 4662.157690][ T73] ipv6_rcv+0x397/0x810 [ 4662.157690][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4662.157690][ T73] process_backlog+0x101/0x620 [ 4662.157690][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4662.157690][ T73] net_rx_action+0x495/0xbe0 [ 4662.157690][ T73] __do_softirq+0x1b5/0x7f6 [ 4662.157690][ T73] [ 4662.159968][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.159968][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.159968][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.159968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.159968][ T73] ip6_route_add+0x1c/0x140 [ 4662.159968][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4662.159968][ T73] inet6_addr_add+0x4f8/0xa40 [ 4662.159968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.159968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.159968][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.159968][ T73] netlink_unicast+0x449/0x710 [ 4662.159968][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.159968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.159968][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.159968][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.159968][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.159968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.159968][ T73] [ 4662.162292][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.162292][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.162292][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.162292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.162292][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4662.162292][ T73] ipv6_add_addr+0x411/0x2000 [ 4662.162292][ T73] inet6_addr_add+0x30e/0xa40 [ 4662.162292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.162292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.162292][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.162292][ T73] netlink_unicast+0x449/0x710 [ 4662.162292][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.162292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.162292][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.162292][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.162292][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.162292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.162292][ T73] [ 4662.164616][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.164616][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.164616][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.164616][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.164616][ T73] ip6_route_add+0x1c/0x140 [ 4662.164616][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4662.164616][ T73] addrconf_add_dev+0xe2/0x170 [ 4662.164616][ T73] inet6_addr_add+0x12f/0xa40 [ 4662.164616][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.164616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.164616][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.164616][ T73] netlink_unicast+0x449/0x710 [ 4662.164616][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.164616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.164616][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.164616][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.164616][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.164616][ T73] [ 4662.166894][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.166894][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4662.166894][ T73] ipv6_find_idev+0x102/0x170 [ 4662.166894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.166894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.166894][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.166894][ T73] netlink_unicast+0x449/0x710 [ 4662.166894][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.166894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.166894][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.166894][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.166894][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.166894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.166894][ T73] [ 4662.168671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4662.168671][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4662.168671][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4662.168671][ T73] ipv6_find_idev+0x102/0x170 [ 4662.168671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.168671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.168671][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.168671][ T73] netlink_unicast+0x449/0x710 [ 4662.168671][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.168671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.168671][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.168671][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.168671][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.168671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.168671][ T73] [ 4662.170695][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4662.171039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4662.171039][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.171039][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.171039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.171039][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4662.171039][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4662.171039][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4662.171039][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4662.171039][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4662.171039][ T73] addrconf_dad_begin+0x310/0x670 [ 4662.171039][ T73] addrconf_dad_work+0x10b/0xab0 [ 4662.171039][ T73] process_one_work+0x84d/0x18a0 [ 4662.171039][ T73] worker_thread+0x587/0xd30 [ 4662.171039][ T73] kthread+0x28a/0x350 [ 4662.171039][ T73] ret_from_fork+0x31/0x70 [ 4662.171039][ T73] ret_from_fork_asm+0x1a/0x30 [ 4662.171039][ T73] [ 4662.173261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4662.173261][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.173261][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.173261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.173261][ T73] ip6_route_add+0x1c/0x140 [ 4662.173261][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4662.173261][ T73] inet6_addr_add+0x4f8/0xa40 [ 4662.173261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.173261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.173261][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.173261][ T73] netlink_unicast+0x449/0x710 [ 4662.173261][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.173261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.173261][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.173261][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.173261][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.173261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.173261][ T73] [ 4662.175647][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4662.175647][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.175647][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.175647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.175647][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4662.175647][ T73] ipv6_add_addr+0x411/0x2000 [ 4662.175647][ T73] inet6_addr_add+0x30e/0xa40 [ 4662.175647][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.175647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.175647][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.175647][ T73] netlink_unicast+0x449/0x710 [ 4662.175647][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.175647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.175647][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.175647][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.175647][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.175647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.175647][ T73] [ 4662.178112][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4662.178112][ T73] netdev_get_by_index+0x5e/0x80 [ 4662.178112][ T73] fib6_nh_init+0x3d8/0x1580 [ 4662.178112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4662.178112][ T73] ip6_route_add+0x1c/0x140 [ 4662.178112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4662.178112][ T73] addrconf_add_dev+0xe2/0x170 [ 4662.178112][ T73] inet6_addr_add+0x12f/0xa40 [ 4662.178112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.178112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.178112][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.178112][ T73] netlink_unicast+0x449/0x710 [ 4662.178112][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.178112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.178112][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.178112][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.178112][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.178112][ T73] [ 4662.180479][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4662.180479][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4662.180479][ T73] ipv6_find_idev+0x102/0x170 [ 4662.180479][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.180479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.180479][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.180479][ T73] netlink_unicast+0x449/0x710 [ 4662.180479][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.180479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.180479][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.180479][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.180479][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.180479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.180479][ T73] [ 4662.182322][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4662.182322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4662.182322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4662.182322][ T73] ipv6_find_idev+0x102/0x170 [ 4662.182322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.182322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.182322][ T73] netlink_rcv_skb+0x130/0x360 [ 4662.182322][ T73] netlink_unicast+0x449/0x710 [ 4662.182322][ T73] netlink_sendmsg+0x723/0xbe0 [ 4662.182322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4662.182322][ T73] ___sys_sendmsg+0xee/0x170 [ 4662.182322][ T73] __sys_sendmsg+0xcd/0x170 [ 4662.182322][ T73] do_syscall_64+0xc6/0x1e0 [ 4662.182322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.182322][ T73] [ 4672.294852][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4672.295274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.295274][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4672.295274][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4672.295274][ T73] fib6_nh_init+0xa22/0x1580 [ 4672.295274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.295274][ T73] ip6_route_add+0x1c/0x140 [ 4672.295274][ T73] inet6_rtm_newroute+0x104/0x110 [ 4672.295274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.295274][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.295274][ T73] netlink_unicast+0x449/0x710 [ 4672.295274][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.295274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.295274][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.295274][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.295274][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.295274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.295274][ T73] [ 4672.297143][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.297143][ T73] dst_init+0x84/0x4a0 [ 4672.297143][ T73] dst_alloc+0x97/0x150 [ 4672.297143][ T73] ip6_dst_alloc+0x23/0x90 [ 4672.297143][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4672.297143][ T73] ip6_pol_route+0x56f/0x840 [ 4672.297143][ T73] fib6_rule_lookup+0x456/0x630 [ 4672.297143][ T73] ip6_route_input+0x59c/0xa50 [ 4672.297143][ T73] ipv6_rcv+0x397/0x810 [ 4672.297143][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4672.297143][ T73] process_backlog+0x101/0x620 [ 4672.297143][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4672.297143][ T73] net_rx_action+0x495/0xbe0 [ 4672.297143][ T73] __do_softirq+0x1b5/0x7f6 [ 4672.297143][ T73] [ 4672.298766][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.298766][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.298766][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.298766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.298766][ T73] ip6_route_add+0x1c/0x140 [ 4672.298766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4672.298766][ T73] inet6_addr_add+0x4f8/0xa40 [ 4672.298766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.298766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.298766][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.298766][ T73] netlink_unicast+0x449/0x710 [ 4672.298766][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.298766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.298766][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.298766][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.298766][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.298766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.298766][ T73] [ 4672.300756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.300756][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.300756][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.300756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.300756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4672.300756][ T73] ipv6_add_addr+0x411/0x2000 [ 4672.300756][ T73] inet6_addr_add+0x30e/0xa40 [ 4672.300756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.300756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.300756][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.300756][ T73] netlink_unicast+0x449/0x710 [ 4672.300756][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.300756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.300756][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.300756][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.300756][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.300756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.300756][ T73] [ 4672.302744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.302744][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.302744][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.302744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.302744][ T73] ip6_route_add+0x1c/0x140 [ 4672.302744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4672.302744][ T73] addrconf_add_dev+0xe2/0x170 [ 4672.302744][ T73] inet6_addr_add+0x12f/0xa40 [ 4672.302744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.302744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.302744][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.302744][ T73] netlink_unicast+0x449/0x710 [ 4672.302744][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.302744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.302744][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.302744][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.302744][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.302744][ T73] [ 4672.304710][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.304710][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4672.304710][ T73] ipv6_find_idev+0x102/0x170 [ 4672.304710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.304710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.304710][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.304710][ T73] netlink_unicast+0x449/0x710 [ 4672.304710][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.304710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.304710][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.304710][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.304710][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.304710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.304710][ T73] [ 4672.306239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4672.306239][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4672.306239][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4672.306239][ T73] ipv6_find_idev+0x102/0x170 [ 4672.306239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.306239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.306239][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.306239][ T73] netlink_unicast+0x449/0x710 [ 4672.306239][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.306239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.306239][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.306239][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.306239][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.306239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.306239][ T73] [ 4672.307936][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4672.308213][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.308213][ T73] dst_init+0x84/0x4a0 [ 4672.308213][ T73] dst_alloc+0x97/0x150 [ 4672.308213][ T73] ip6_dst_alloc+0x23/0x90 [ 4672.308213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4672.308213][ T73] ip6_pol_route+0x56f/0x840 [ 4672.308213][ T73] fib6_rule_lookup+0x456/0x630 [ 4672.308213][ T73] ip6_route_input+0x59c/0xa50 [ 4672.308213][ T73] ipv6_rcv+0x397/0x810 [ 4672.308213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4672.308213][ T73] process_backlog+0x101/0x620 [ 4672.308213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4672.308213][ T73] net_rx_action+0x495/0xbe0 [ 4672.308213][ T73] __do_softirq+0x1b5/0x7f6 [ 4672.308213][ T73] [ 4672.309852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.309852][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.309852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.309852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.309852][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4672.309852][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4672.309852][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4672.309852][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4672.309852][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4672.309852][ T73] addrconf_dad_begin+0x310/0x670 [ 4672.309852][ T73] addrconf_dad_work+0x10b/0xab0 [ 4672.309852][ T73] process_one_work+0x84d/0x18a0 [ 4672.309852][ T73] worker_thread+0x587/0xd30 [ 4672.309852][ T73] kthread+0x28a/0x350 [ 4672.309852][ T73] ret_from_fork+0x31/0x70 [ 4672.309852][ T73] ret_from_fork_asm+0x1a/0x30 [ 4672.309852][ T73] [ 4672.311748][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.311748][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.311748][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.311748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.311748][ T73] ip6_route_add+0x1c/0x140 [ 4672.311748][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4672.311748][ T73] inet6_addr_add+0x4f8/0xa40 [ 4672.311748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.311748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.311748][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.311748][ T73] netlink_unicast+0x449/0x710 [ 4672.311748][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.311748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.311748][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.311748][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.311748][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.311748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.311748][ T73] [ 4672.313731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.313731][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.313731][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.313731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.313731][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4672.313731][ T73] ipv6_add_addr+0x411/0x2000 [ 4672.313731][ T73] inet6_addr_add+0x30e/0xa40 [ 4672.313731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.313731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.313731][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.313731][ T73] netlink_unicast+0x449/0x710 [ 4672.313731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.313731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.313731][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.313731][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.313731][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.313731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.313731][ T73] [ 4672.315717][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.315717][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.315717][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.315717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.315717][ T73] ip6_route_add+0x1c/0x140 [ 4672.315717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4672.315717][ T73] addrconf_add_dev+0xe2/0x170 [ 4672.315717][ T73] inet6_addr_add+0x12f/0xa40 [ 4672.315717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.315717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.315717][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.315717][ T73] netlink_unicast+0x449/0x710 [ 4672.315717][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.315717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.315717][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.315717][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.315717][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.315717][ T73] [ 4672.317666][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.317666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4672.317666][ T73] ipv6_find_idev+0x102/0x170 [ 4672.317666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.317666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.317666][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.317666][ T73] netlink_unicast+0x449/0x710 [ 4672.317666][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.317666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.317666][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.317666][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.317666][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.317666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.317666][ T73] [ 4672.319211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4672.319211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4672.319211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4672.319211][ T73] ipv6_find_idev+0x102/0x170 [ 4672.319211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.319211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.319211][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.319211][ T73] netlink_unicast+0x449/0x710 [ 4672.319211][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.319211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.319211][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.319211][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.319211][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.319211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.319211][ T73] [ 4672.321026][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4672.321298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.321298][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4672.321298][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4672.321298][ T73] fib6_nh_init+0xa22/0x1580 [ 4672.321298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.321298][ T73] ip6_route_add+0x1c/0x140 [ 4672.321298][ T73] inet6_rtm_newroute+0x104/0x110 [ 4672.321298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.321298][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.321298][ T73] netlink_unicast+0x449/0x710 [ 4672.321298][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.321298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.321298][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.321298][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.321298][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.321298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.321298][ T73] [ 4672.323474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.323474][ T73] dst_init+0x84/0x4a0 [ 4672.323474][ T73] dst_alloc+0x97/0x150 [ 4672.323474][ T73] ip6_dst_alloc+0x23/0x90 [ 4672.323474][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4672.323474][ T73] ip6_pol_route+0x56f/0x840 [ 4672.323474][ T73] fib6_rule_lookup+0x456/0x630 [ 4672.323474][ T73] ip6_route_input+0x59c/0xa50 [ 4672.323474][ T73] ipv6_rcv+0x397/0x810 [ 4672.323474][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4672.323474][ T73] process_backlog+0x101/0x620 [ 4672.323474][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4672.323474][ T73] net_rx_action+0x495/0xbe0 [ 4672.323474][ T73] __do_softirq+0x1b5/0x7f6 [ 4672.323474][ T73] [ 4672.325279][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.325279][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.325279][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.325279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.325279][ T73] ip6_route_add+0x1c/0x140 [ 4672.325279][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4672.325279][ T73] inet6_addr_add+0x4f8/0xa40 [ 4672.325279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.325279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.325279][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.325279][ T73] netlink_unicast+0x449/0x710 [ 4672.325279][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.325279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.325279][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.325279][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.325279][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.325279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.325279][ T73] [ 4672.327508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.327508][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.327508][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.327508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.327508][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4672.327508][ T73] ipv6_add_addr+0x411/0x2000 [ 4672.327508][ T73] inet6_addr_add+0x30e/0xa40 [ 4672.327508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.327508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.327508][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.327508][ T73] netlink_unicast+0x449/0x710 [ 4672.327508][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.327508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.327508][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.327508][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.327508][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.327508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.327508][ T73] [ 4672.329731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.329731][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.329731][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.329731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.329731][ T73] ip6_route_add+0x1c/0x140 [ 4672.329731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4672.329731][ T73] addrconf_add_dev+0xe2/0x170 [ 4672.329731][ T73] inet6_addr_add+0x12f/0xa40 [ 4672.329731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.329731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.329731][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.329731][ T73] netlink_unicast+0x449/0x710 [ 4672.329731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.329731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.329731][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.329731][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.329731][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.329731][ T73] [ 4672.331931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.331931][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4672.331931][ T73] ipv6_find_idev+0x102/0x170 [ 4672.331931][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.331931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.331931][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.331931][ T73] netlink_unicast+0x449/0x710 [ 4672.331931][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.331931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.331931][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.331931][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.331931][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.331931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.331931][ T73] [ 4672.333650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4672.333650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4672.333650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4672.333650][ T73] ipv6_find_idev+0x102/0x170 [ 4672.333650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.333650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.333650][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.333650][ T73] netlink_unicast+0x449/0x710 [ 4672.333650][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.333650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.333650][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.333650][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.333650][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.333650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.333650][ T73] [ 4672.335579][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4672.336287][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4672.336287][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.336287][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.336287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.336287][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4672.336287][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4672.336287][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4672.336287][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4672.336287][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4672.336287][ T73] addrconf_dad_begin+0x310/0x670 [ 4672.336287][ T73] addrconf_dad_work+0x10b/0xab0 [ 4672.336287][ T73] process_one_work+0x84d/0x18a0 [ 4672.336287][ T73] worker_thread+0x587/0xd30 [ 4672.336287][ T73] kthread+0x28a/0x350 [ 4672.336287][ T73] ret_from_fork+0x31/0x70 [ 4672.336287][ T73] ret_from_fork_asm+0x1a/0x30 [ 4672.336287][ T73] [ 4672.338187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4672.338187][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.338187][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.338187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.338187][ T73] ip6_route_add+0x1c/0x140 [ 4672.338187][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4672.338187][ T73] inet6_addr_add+0x4f8/0xa40 [ 4672.338187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.338187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.338187][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.338187][ T73] netlink_unicast+0x449/0x710 [ 4672.338187][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.338187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.338187][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.338187][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.338187][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.338187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.338187][ T73] [ 4672.340299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4672.340299][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.340299][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.340299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.340299][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4672.340299][ T73] ipv6_add_addr+0x411/0x2000 [ 4672.340299][ T73] inet6_addr_add+0x30e/0xa40 [ 4672.340299][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.340299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.340299][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.340299][ T73] netlink_unicast+0x449/0x710 [ 4672.340299][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.340299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.340299][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.340299][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.340299][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.340299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.340299][ T73] [ 4672.342522][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4672.342522][ T73] netdev_get_by_index+0x5e/0x80 [ 4672.342522][ T73] fib6_nh_init+0x3d8/0x1580 [ 4672.342522][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4672.342522][ T73] ip6_route_add+0x1c/0x140 [ 4672.342522][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4672.342522][ T73] addrconf_add_dev+0xe2/0x170 [ 4672.342522][ T73] inet6_addr_add+0x12f/0xa40 [ 4672.342522][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.342522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.342522][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.342522][ T73] netlink_unicast+0x449/0x710 [ 4672.342522][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.342522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.342522][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.342522][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.342522][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.342522][ T73] [ 4672.344731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4672.344731][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4672.344731][ T73] ipv6_find_idev+0x102/0x170 [ 4672.344731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.344731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.344731][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.344731][ T73] netlink_unicast+0x449/0x710 [ 4672.344731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.344731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.344731][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.344731][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.344731][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.344731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.344731][ T73] [ 4672.346432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4672.346432][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4672.346432][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4672.346432][ T73] ipv6_find_idev+0x102/0x170 [ 4672.346432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.346432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.346432][ T73] netlink_rcv_skb+0x130/0x360 [ 4672.346432][ T73] netlink_unicast+0x449/0x710 [ 4672.346432][ T73] netlink_sendmsg+0x723/0xbe0 [ 4672.346432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4672.346432][ T73] ___sys_sendmsg+0xee/0x170 [ 4672.346432][ T73] __sys_sendmsg+0xcd/0x170 [ 4672.346432][ T73] do_syscall_64+0xc6/0x1e0 [ 4672.346432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.346432][ T73] [ 4682.350839][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4682.351257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.351257][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4682.351257][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4682.351257][ T73] fib6_nh_init+0xa22/0x1580 [ 4682.351257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.351257][ T73] ip6_route_add+0x1c/0x140 [ 4682.351257][ T73] inet6_rtm_newroute+0x104/0x110 [ 4682.351257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.351257][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.351257][ T73] netlink_unicast+0x449/0x710 [ 4682.351257][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.351257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.351257][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.351257][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.351257][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.351257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.351257][ T73] [ 4682.353144][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.353144][ T73] dst_init+0x84/0x4a0 [ 4682.353144][ T73] dst_alloc+0x97/0x150 [ 4682.353144][ T73] ip6_dst_alloc+0x23/0x90 [ 4682.353144][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4682.353144][ T73] ip6_pol_route+0x56f/0x840 [ 4682.353144][ T73] fib6_rule_lookup+0x456/0x630 [ 4682.353144][ T73] ip6_route_input+0x59c/0xa50 [ 4682.353144][ T73] ipv6_rcv+0x397/0x810 [ 4682.353144][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4682.353144][ T73] process_backlog+0x101/0x620 [ 4682.353144][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4682.353144][ T73] net_rx_action+0x495/0xbe0 [ 4682.353144][ T73] __do_softirq+0x1b5/0x7f6 [ 4682.353144][ T73] [ 4682.354779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.354779][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.354779][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.354779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.354779][ T73] ip6_route_add+0x1c/0x140 [ 4682.354779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4682.354779][ T73] inet6_addr_add+0x4f8/0xa40 [ 4682.354779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.354779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.354779][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.354779][ T73] netlink_unicast+0x449/0x710 [ 4682.354779][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.354779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.354779][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.354779][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.354779][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.354779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.354779][ T73] [ 4682.356902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.356902][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.356902][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.356902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.356902][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4682.356902][ T73] ipv6_add_addr+0x411/0x2000 [ 4682.356902][ T73] inet6_addr_add+0x30e/0xa40 [ 4682.356902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.356902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.356902][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.356902][ T73] netlink_unicast+0x449/0x710 [ 4682.356902][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.356902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.356902][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.356902][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.356902][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.356902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.356902][ T73] [ 4682.358897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.358897][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.358897][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.358897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.358897][ T73] ip6_route_add+0x1c/0x140 [ 4682.358897][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4682.358897][ T73] addrconf_add_dev+0xe2/0x170 [ 4682.358897][ T73] inet6_addr_add+0x12f/0xa40 [ 4682.358897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.358897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.358897][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.358897][ T73] netlink_unicast+0x449/0x710 [ 4682.358897][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.358897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.358897][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.358897][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.358897][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.358897][ T73] [ 4682.360845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.360845][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4682.360845][ T73] ipv6_find_idev+0x102/0x170 [ 4682.360845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.360845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.360845][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.360845][ T73] netlink_unicast+0x449/0x710 [ 4682.360845][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.360845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.360845][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.360845][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.360845][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.360845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.360845][ T73] [ 4682.362378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4682.362378][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4682.362378][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4682.362378][ T73] ipv6_find_idev+0x102/0x170 [ 4682.362378][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.362378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.362378][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.362378][ T73] netlink_unicast+0x449/0x710 [ 4682.362378][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.362378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.362378][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.362378][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.362378][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.362378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.362378][ T73] [ 4682.364236][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4682.364524][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.364524][ T73] dst_init+0x84/0x4a0 [ 4682.364524][ T73] dst_alloc+0x97/0x150 [ 4682.364524][ T73] ip6_dst_alloc+0x23/0x90 [ 4682.364524][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4682.364524][ T73] ip6_pol_route+0x56f/0x840 [ 4682.364524][ T73] fib6_rule_lookup+0x456/0x630 [ 4682.364524][ T73] ip6_route_input+0x59c/0xa50 [ 4682.364524][ T73] ipv6_rcv+0x397/0x810 [ 4682.364524][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4682.364524][ T73] process_backlog+0x101/0x620 [ 4682.364524][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4682.364524][ T73] net_rx_action+0x495/0xbe0 [ 4682.364524][ T73] __do_softirq+0x1b5/0x7f6 [ 4682.364524][ T73] [ 4682.366314][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.366314][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.366314][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.366314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.366314][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4682.366314][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4682.366314][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4682.366314][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4682.366314][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4682.366314][ T73] addrconf_dad_begin+0x310/0x670 [ 4682.366314][ T73] addrconf_dad_work+0x10b/0xab0 [ 4682.366314][ T73] process_one_work+0x84d/0x18a0 [ 4682.366314][ T73] worker_thread+0x587/0xd30 [ 4682.366314][ T73] kthread+0x28a/0x350 [ 4682.366314][ T73] ret_from_fork+0x31/0x70 [ 4682.366314][ T73] ret_from_fork_asm+0x1a/0x30 [ 4682.366314][ T73] [ 4682.368428][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.368428][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.368428][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.368428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.368428][ T73] ip6_route_add+0x1c/0x140 [ 4682.368428][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4682.368428][ T73] inet6_addr_add+0x4f8/0xa40 [ 4682.368428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.368428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.368428][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.368428][ T73] netlink_unicast+0x449/0x710 [ 4682.368428][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.368428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.368428][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.368428][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.368428][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.368428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.368428][ T73] [ 4682.370626][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.370626][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.370626][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.370626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.370626][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4682.370626][ T73] ipv6_add_addr+0x411/0x2000 [ 4682.370626][ T73] inet6_addr_add+0x30e/0xa40 [ 4682.370626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.370626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.370626][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.370626][ T73] netlink_unicast+0x449/0x710 [ 4682.370626][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.370626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.370626][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.370626][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.370626][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.370626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.370626][ T73] [ 4682.372759][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.372759][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.372759][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.372759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.372759][ T73] ip6_route_add+0x1c/0x140 [ 4682.372759][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4682.372759][ T73] addrconf_add_dev+0xe2/0x170 [ 4682.372759][ T73] inet6_addr_add+0x12f/0xa40 [ 4682.372759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.372759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.372759][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.372759][ T73] netlink_unicast+0x449/0x710 [ 4682.372759][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.372759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.372759][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.372759][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.372759][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.372759][ T73] [ 4682.374730][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.374730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4682.374730][ T73] ipv6_find_idev+0x102/0x170 [ 4682.374730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.374730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.374730][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.374730][ T73] netlink_unicast+0x449/0x710 [ 4682.374730][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.374730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.374730][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.374730][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.374730][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.374730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.374730][ T73] [ 4682.376256][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4682.376256][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4682.376256][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4682.376256][ T73] ipv6_find_idev+0x102/0x170 [ 4682.376256][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.376256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.376256][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.376256][ T73] netlink_unicast+0x449/0x710 [ 4682.376256][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.376256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.376256][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.376256][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.376256][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.376256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.376256][ T73] [ 4682.378064][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4682.378343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.378343][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4682.378343][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4682.378343][ T73] fib6_nh_init+0xa22/0x1580 [ 4682.378343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.378343][ T73] ip6_route_add+0x1c/0x140 [ 4682.378343][ T73] inet6_rtm_newroute+0x104/0x110 [ 4682.378343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.378343][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.378343][ T73] netlink_unicast+0x449/0x710 [ 4682.378343][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.378343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.378343][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.378343][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.378343][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.378343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.378343][ T73] [ 4682.380476][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.380476][ T73] dst_init+0x84/0x4a0 [ 4682.380476][ T73] dst_alloc+0x97/0x150 [ 4682.380476][ T73] ip6_dst_alloc+0x23/0x90 [ 4682.380476][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4682.380476][ T73] ip6_pol_route+0x56f/0x840 [ 4682.380476][ T73] fib6_rule_lookup+0x456/0x630 [ 4682.380476][ T73] ip6_route_input+0x59c/0xa50 [ 4682.380476][ T73] ipv6_rcv+0x397/0x810 [ 4682.380476][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4682.380476][ T73] process_backlog+0x101/0x620 [ 4682.380476][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4682.380476][ T73] net_rx_action+0x495/0xbe0 [ 4682.380476][ T73] __do_softirq+0x1b5/0x7f6 [ 4682.380476][ T73] [ 4682.382300][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.382300][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.382300][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.382300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.382300][ T73] ip6_route_add+0x1c/0x140 [ 4682.382300][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4682.382300][ T73] inet6_addr_add+0x4f8/0xa40 [ 4682.382300][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.382300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.382300][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.382300][ T73] netlink_unicast+0x449/0x710 [ 4682.382300][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.382300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.382300][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.382300][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.382300][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.382300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.382300][ T73] [ 4682.384542][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.384542][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.384542][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.384542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.384542][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4682.384542][ T73] ipv6_add_addr+0x411/0x2000 [ 4682.384542][ T73] inet6_addr_add+0x30e/0xa40 [ 4682.384542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.384542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.384542][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.384542][ T73] netlink_unicast+0x449/0x710 [ 4682.384542][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.384542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.384542][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.384542][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.384542][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.384542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.384542][ T73] [ 4682.386775][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.386775][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.386775][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.386775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.386775][ T73] ip6_route_add+0x1c/0x140 [ 4682.386775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4682.386775][ T73] addrconf_add_dev+0xe2/0x170 [ 4682.386775][ T73] inet6_addr_add+0x12f/0xa40 [ 4682.386775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.386775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.386775][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.386775][ T73] netlink_unicast+0x449/0x710 [ 4682.386775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.386775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.386775][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.386775][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.386775][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.386775][ T73] [ 4682.389005][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.389005][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4682.389005][ T73] ipv6_find_idev+0x102/0x170 [ 4682.389005][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.389005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.389005][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.389005][ T73] netlink_unicast+0x449/0x710 [ 4682.389005][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.389005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.389005][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.389005][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.389005][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.389005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.389005][ T73] [ 4682.390710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4682.390710][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4682.390710][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4682.390710][ T73] ipv6_find_idev+0x102/0x170 [ 4682.390710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.390710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.390710][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.390710][ T73] netlink_unicast+0x449/0x710 [ 4682.390710][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.390710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.390710][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.390710][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.390710][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.390710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.390710][ T73] [ 4682.392567][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4682.392964][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4682.392964][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.392964][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.392964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.392964][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4682.392964][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4682.392964][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4682.392964][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4682.392964][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4682.392964][ T73] addrconf_dad_begin+0x310/0x670 [ 4682.392964][ T73] addrconf_dad_work+0x10b/0xab0 [ 4682.392964][ T73] process_one_work+0x84d/0x18a0 [ 4682.392964][ T73] worker_thread+0x587/0xd30 [ 4682.392964][ T73] kthread+0x28a/0x350 [ 4682.392964][ T73] ret_from_fork+0x31/0x70 [ 4682.392964][ T73] ret_from_fork_asm+0x1a/0x30 [ 4682.392964][ T73] [ 4682.395095][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4682.395095][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.395095][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.395095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.395095][ T73] ip6_route_add+0x1c/0x140 [ 4682.395095][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4682.395095][ T73] inet6_addr_add+0x4f8/0xa40 [ 4682.395095][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.395095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.395095][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.395095][ T73] netlink_unicast+0x449/0x710 [ 4682.395095][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.395095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.395095][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.395095][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.395095][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.395095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.395095][ T73] [ 4682.397336][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4682.397336][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.397336][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.397336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.397336][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4682.397336][ T73] ipv6_add_addr+0x411/0x2000 [ 4682.397336][ T73] inet6_addr_add+0x30e/0xa40 [ 4682.397336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.397336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.397336][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.397336][ T73] netlink_unicast+0x449/0x710 [ 4682.397336][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.397336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.397336][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.397336][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.397336][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.397336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.397336][ T73] [ 4682.399589][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4682.399589][ T73] netdev_get_by_index+0x5e/0x80 [ 4682.399589][ T73] fib6_nh_init+0x3d8/0x1580 [ 4682.399589][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4682.399589][ T73] ip6_route_add+0x1c/0x140 [ 4682.399589][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4682.399589][ T73] addrconf_add_dev+0xe2/0x170 [ 4682.399589][ T73] inet6_addr_add+0x12f/0xa40 [ 4682.399589][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.399589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.399589][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.399589][ T73] netlink_unicast+0x449/0x710 [ 4682.399589][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.399589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.399589][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.399589][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.399589][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.399589][ T73] [ 4682.401724][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4682.401724][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4682.401724][ T73] ipv6_find_idev+0x102/0x170 [ 4682.401724][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.401724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.401724][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.401724][ T73] netlink_unicast+0x449/0x710 [ 4682.401724][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.401724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.401724][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.401724][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.401724][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.401724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.401724][ T73] [ 4682.403497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4682.403497][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4682.403497][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4682.403497][ T73] ipv6_find_idev+0x102/0x170 [ 4682.403497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.403497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.403497][ T73] netlink_rcv_skb+0x130/0x360 [ 4682.403497][ T73] netlink_unicast+0x449/0x710 [ 4682.403497][ T73] netlink_sendmsg+0x723/0xbe0 [ 4682.403497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4682.403497][ T73] ___sys_sendmsg+0xee/0x170 [ 4682.403497][ T73] __sys_sendmsg+0xcd/0x170 [ 4682.403497][ T73] do_syscall_64+0xc6/0x1e0 [ 4682.403497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.403497][ T73] [ 4692.646892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4692.647338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.647338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4692.647338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4692.647338][ T73] fib6_nh_init+0xa22/0x1580 [ 4692.647338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.647338][ T73] ip6_route_add+0x1c/0x140 [ 4692.647338][ T73] inet6_rtm_newroute+0x104/0x110 [ 4692.647338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.647338][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.647338][ T73] netlink_unicast+0x449/0x710 [ 4692.647338][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.647338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.647338][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.647338][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.647338][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.647338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.647338][ T73] [ 4692.649234][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.649234][ T73] dst_init+0x84/0x4a0 [ 4692.649234][ T73] dst_alloc+0x97/0x150 [ 4692.649234][ T73] ip6_dst_alloc+0x23/0x90 [ 4692.649234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4692.649234][ T73] ip6_pol_route+0x56f/0x840 [ 4692.649234][ T73] fib6_rule_lookup+0x456/0x630 [ 4692.649234][ T73] ip6_route_input+0x59c/0xa50 [ 4692.649234][ T73] ipv6_rcv+0x397/0x810 [ 4692.649234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4692.649234][ T73] process_backlog+0x101/0x620 [ 4692.649234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4692.649234][ T73] net_rx_action+0x495/0xbe0 [ 4692.649234][ T73] __do_softirq+0x1b5/0x7f6 [ 4692.649234][ T73] [ 4692.650870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.650870][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.650870][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.650870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.650870][ T73] ip6_route_add+0x1c/0x140 [ 4692.650870][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4692.650870][ T73] inet6_addr_add+0x4f8/0xa40 [ 4692.650870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.650870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.650870][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.650870][ T73] netlink_unicast+0x449/0x710 [ 4692.650870][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.650870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.650870][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.650870][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.650870][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.650870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.650870][ T73] [ 4692.652857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.652857][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.652857][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.652857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.652857][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4692.652857][ T73] ipv6_add_addr+0x411/0x2000 [ 4692.652857][ T73] inet6_addr_add+0x30e/0xa40 [ 4692.652857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.652857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.652857][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.652857][ T73] netlink_unicast+0x449/0x710 [ 4692.652857][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.652857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.652857][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.652857][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.652857][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.652857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.652857][ T73] [ 4692.654939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.654939][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.654939][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.654939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.654939][ T73] ip6_route_add+0x1c/0x140 [ 4692.654939][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4692.654939][ T73] addrconf_add_dev+0xe2/0x170 [ 4692.654939][ T73] inet6_addr_add+0x12f/0xa40 [ 4692.654939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.654939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.654939][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.654939][ T73] netlink_unicast+0x449/0x710 [ 4692.654939][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.654939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.654939][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.654939][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.654939][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.654939][ T73] [ 4692.656939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.656939][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4692.656939][ T73] ipv6_find_idev+0x102/0x170 [ 4692.656939][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.656939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.656939][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.656939][ T73] netlink_unicast+0x449/0x710 [ 4692.656939][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.656939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.656939][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.656939][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.656939][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.656939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.656939][ T73] [ 4692.658484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4692.658484][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4692.658484][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4692.658484][ T73] ipv6_find_idev+0x102/0x170 [ 4692.658484][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.658484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.658484][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.658484][ T73] netlink_unicast+0x449/0x710 [ 4692.658484][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.658484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.658484][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.658484][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.658484][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.658484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.658484][ T73] [ 4692.660170][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4692.660436][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.660436][ T73] dst_init+0x84/0x4a0 [ 4692.660436][ T73] dst_alloc+0x97/0x150 [ 4692.660436][ T73] ip6_dst_alloc+0x23/0x90 [ 4692.660436][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4692.660436][ T73] ip6_pol_route+0x56f/0x840 [ 4692.660436][ T73] fib6_rule_lookup+0x456/0x630 [ 4692.660436][ T73] ip6_route_input+0x59c/0xa50 [ 4692.660436][ T73] ipv6_rcv+0x397/0x810 [ 4692.660436][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4692.660436][ T73] process_backlog+0x101/0x620 [ 4692.660436][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4692.660436][ T73] net_rx_action+0x495/0xbe0 [ 4692.660436][ T73] __do_softirq+0x1b5/0x7f6 [ 4692.660436][ T73] [ 4692.662082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.662082][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.662082][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.662082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.662082][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4692.662082][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4692.662082][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4692.662082][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4692.662082][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4692.662082][ T73] addrconf_dad_begin+0x310/0x670 [ 4692.662082][ T73] addrconf_dad_work+0x10b/0xab0 [ 4692.662082][ T73] process_one_work+0x84d/0x18a0 [ 4692.662082][ T73] worker_thread+0x587/0xd30 [ 4692.662082][ T73] kthread+0x28a/0x350 [ 4692.662082][ T73] ret_from_fork+0x31/0x70 [ 4692.662082][ T73] ret_from_fork_asm+0x1a/0x30 [ 4692.662082][ T73] [ 4692.663983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.663983][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.663983][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.663983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.663983][ T73] ip6_route_add+0x1c/0x140 [ 4692.663983][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4692.663983][ T73] inet6_addr_add+0x4f8/0xa40 [ 4692.663983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.663983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.663983][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.663983][ T73] netlink_unicast+0x449/0x710 [ 4692.663983][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.663983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.663983][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.663983][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.663983][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.663983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.663983][ T73] [ 4692.665968][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.665968][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.665968][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.665968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.665968][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4692.665968][ T73] ipv6_add_addr+0x411/0x2000 [ 4692.665968][ T73] inet6_addr_add+0x30e/0xa40 [ 4692.665968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.665968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.665968][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.665968][ T73] netlink_unicast+0x449/0x710 [ 4692.665968][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.665968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.665968][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.665968][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.665968][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.665968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.665968][ T73] [ 4692.667961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.667961][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.667961][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.667961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.667961][ T73] ip6_route_add+0x1c/0x140 [ 4692.667961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4692.667961][ T73] addrconf_add_dev+0xe2/0x170 [ 4692.667961][ T73] inet6_addr_add+0x12f/0xa40 [ 4692.667961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.667961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.667961][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.667961][ T73] netlink_unicast+0x449/0x710 [ 4692.667961][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.667961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.667961][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.667961][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.667961][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.667961][ T73] [ 4692.669917][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.669917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4692.669917][ T73] ipv6_find_idev+0x102/0x170 [ 4692.669917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.669917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.669917][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.669917][ T73] netlink_unicast+0x449/0x710 [ 4692.669917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.669917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.669917][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.669917][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.669917][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.669917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.669917][ T73] [ 4692.671440][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4692.671440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4692.671440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4692.671440][ T73] ipv6_find_idev+0x102/0x170 [ 4692.671440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.671440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.671440][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.671440][ T73] netlink_unicast+0x449/0x710 [ 4692.671440][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.671440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.671440][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.671440][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.671440][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.671440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.671440][ T73] [ 4692.673216][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4692.673486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.673486][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4692.673486][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4692.673486][ T73] fib6_nh_init+0xa22/0x1580 [ 4692.673486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.673486][ T73] ip6_route_add+0x1c/0x140 [ 4692.673486][ T73] inet6_rtm_newroute+0x104/0x110 [ 4692.673486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.673486][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.673486][ T73] netlink_unicast+0x449/0x710 [ 4692.673486][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.673486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.673486][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.673486][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.673486][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.673486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.673486][ T73] [ 4692.675664][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.675664][ T73] dst_init+0x84/0x4a0 [ 4692.675664][ T73] dst_alloc+0x97/0x150 [ 4692.675664][ T73] ip6_dst_alloc+0x23/0x90 [ 4692.675664][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4692.675664][ T73] ip6_pol_route+0x56f/0x840 [ 4692.675664][ T73] fib6_rule_lookup+0x456/0x630 [ 4692.675664][ T73] ip6_route_input+0x59c/0xa50 [ 4692.675664][ T73] ipv6_rcv+0x397/0x810 [ 4692.675664][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4692.675664][ T73] process_backlog+0x101/0x620 [ 4692.675664][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4692.675664][ T73] net_rx_action+0x495/0xbe0 [ 4692.675664][ T73] __do_softirq+0x1b5/0x7f6 [ 4692.675664][ T73] [ 4692.677473][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.677473][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.677473][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.677473][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.677473][ T73] ip6_route_add+0x1c/0x140 [ 4692.677473][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4692.677473][ T73] inet6_addr_add+0x4f8/0xa40 [ 4692.677473][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.677473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.677473][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.677473][ T73] netlink_unicast+0x449/0x710 [ 4692.677473][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.677473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.677473][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.677473][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.677473][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.677473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.677473][ T73] [ 4692.679707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.679707][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.679707][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.679707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.679707][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4692.679707][ T73] ipv6_add_addr+0x411/0x2000 [ 4692.679707][ T73] inet6_addr_add+0x30e/0xa40 [ 4692.679707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.679707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.679707][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.679707][ T73] netlink_unicast+0x449/0x710 [ 4692.679707][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.679707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.679707][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.679707][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.679707][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.679707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.679707][ T73] [ 4692.681825][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.681825][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.681825][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.681825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.681825][ T73] ip6_route_add+0x1c/0x140 [ 4692.681825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4692.681825][ T73] addrconf_add_dev+0xe2/0x170 [ 4692.681825][ T73] inet6_addr_add+0x12f/0xa40 [ 4692.681825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.681825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.681825][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.681825][ T73] netlink_unicast+0x449/0x710 [ 4692.681825][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.681825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.681825][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.681825][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.681825][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.681825][ T73] [ 4692.684016][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.684016][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4692.684016][ T73] ipv6_find_idev+0x102/0x170 [ 4692.684016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.684016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.684016][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.684016][ T73] netlink_unicast+0x449/0x710 [ 4692.684016][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.684016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.684016][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.684016][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.684016][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.684016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.684016][ T73] [ 4692.685789][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4692.685789][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4692.685789][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4692.685789][ T73] ipv6_find_idev+0x102/0x170 [ 4692.685789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.685789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.685789][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.685789][ T73] netlink_unicast+0x449/0x710 [ 4692.685789][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.685789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.685789][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.685789][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.685789][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.685789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.685789][ T73] [ 4692.687638][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4692.688388][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4692.688388][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.688388][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.688388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.688388][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4692.688388][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4692.688388][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4692.688388][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4692.688388][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4692.688388][ T73] addrconf_dad_begin+0x310/0x670 [ 4692.688388][ T73] addrconf_dad_work+0x10b/0xab0 [ 4692.688388][ T73] process_one_work+0x84d/0x18a0 [ 4692.688388][ T73] worker_thread+0x587/0xd30 [ 4692.688388][ T73] kthread+0x28a/0x350 [ 4692.688388][ T73] ret_from_fork+0x31/0x70 [ 4692.688388][ T73] ret_from_fork_asm+0x1a/0x30 [ 4692.688388][ T73] [ 4692.690289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4692.690289][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.690289][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.690289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.690289][ T73] ip6_route_add+0x1c/0x140 [ 4692.690289][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4692.690289][ T73] inet6_addr_add+0x4f8/0xa40 [ 4692.690289][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.690289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.690289][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.690289][ T73] netlink_unicast+0x449/0x710 [ 4692.690289][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.690289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.690289][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.690289][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.690289][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.690289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.690289][ T73] [ 4692.692351][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4692.692351][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.692351][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.692351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.692351][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4692.692351][ T73] ipv6_add_addr+0x411/0x2000 [ 4692.692351][ T73] inet6_addr_add+0x30e/0xa40 [ 4692.692351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.692351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.692351][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.692351][ T73] netlink_unicast+0x449/0x710 [ 4692.692351][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.692351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.692351][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.692351][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.692351][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.692351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.692351][ T73] [ 4692.694586][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4692.694586][ T73] netdev_get_by_index+0x5e/0x80 [ 4692.694586][ T73] fib6_nh_init+0x3d8/0x1580 [ 4692.694586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4692.694586][ T73] ip6_route_add+0x1c/0x140 [ 4692.694586][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4692.694586][ T73] addrconf_add_dev+0xe2/0x170 [ 4692.694586][ T73] inet6_addr_add+0x12f/0xa40 [ 4692.694586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.694586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.694586][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.694586][ T73] netlink_unicast+0x449/0x710 [ 4692.694586][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.694586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.694586][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.694586][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.694586][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.694586][ T73] [ 4692.697237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4692.697237][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4692.697237][ T73] ipv6_find_idev+0x102/0x170 [ 4692.697237][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.697237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.697237][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.697237][ T73] netlink_unicast+0x449/0x710 [ 4692.697237][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.697237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.697237][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.697237][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.697237][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.697237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.697237][ T73] [ 4692.699021][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4692.699021][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4692.699021][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4692.699021][ T73] ipv6_find_idev+0x102/0x170 [ 4692.699021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.699021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.699021][ T73] netlink_rcv_skb+0x130/0x360 [ 4692.699021][ T73] netlink_unicast+0x449/0x710 [ 4692.699021][ T73] netlink_sendmsg+0x723/0xbe0 [ 4692.699021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4692.699021][ T73] ___sys_sendmsg+0xee/0x170 [ 4692.699021][ T73] __sys_sendmsg+0xcd/0x170 [ 4692.699021][ T73] do_syscall_64+0xc6/0x1e0 [ 4692.699021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.699021][ T73] [ 4702.950905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4702.951322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.951322][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4702.951322][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4702.951322][ T73] fib6_nh_init+0xa22/0x1580 [ 4702.951322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.951322][ T73] ip6_route_add+0x1c/0x140 [ 4702.951322][ T73] inet6_rtm_newroute+0x104/0x110 [ 4702.951322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.951322][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.951322][ T73] netlink_unicast+0x449/0x710 [ 4702.951322][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.951322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.951322][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.951322][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.951322][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.951322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.951322][ T73] [ 4702.953258][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.953258][ T73] dst_init+0x84/0x4a0 [ 4702.953258][ T73] dst_alloc+0x97/0x150 [ 4702.953258][ T73] ip6_dst_alloc+0x23/0x90 [ 4702.953258][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4702.953258][ T73] ip6_pol_route+0x56f/0x840 [ 4702.953258][ T73] fib6_rule_lookup+0x456/0x630 [ 4702.953258][ T73] ip6_route_input+0x59c/0xa50 [ 4702.953258][ T73] ipv6_rcv+0x397/0x810 [ 4702.953258][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4702.953258][ T73] process_backlog+0x101/0x620 [ 4702.953258][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4702.953258][ T73] net_rx_action+0x495/0xbe0 [ 4702.953258][ T73] __do_softirq+0x1b5/0x7f6 [ 4702.953258][ T73] [ 4702.954925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.954925][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.954925][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.954925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.954925][ T73] ip6_route_add+0x1c/0x140 [ 4702.954925][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4702.954925][ T73] inet6_addr_add+0x4f8/0xa40 [ 4702.954925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.954925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.954925][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.954925][ T73] netlink_unicast+0x449/0x710 [ 4702.954925][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.954925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.954925][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.954925][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.954925][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.954925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.954925][ T73] [ 4702.956958][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.956958][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.956958][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.956958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.956958][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4702.956958][ T73] ipv6_add_addr+0x411/0x2000 [ 4702.956958][ T73] inet6_addr_add+0x30e/0xa40 [ 4702.956958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.956958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.956958][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.956958][ T73] netlink_unicast+0x449/0x710 [ 4702.956958][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.956958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.956958][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.956958][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.956958][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.956958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.956958][ T73] [ 4702.958982][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.958982][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.958982][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.958982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.958982][ T73] ip6_route_add+0x1c/0x140 [ 4702.958982][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4702.958982][ T73] addrconf_add_dev+0xe2/0x170 [ 4702.958982][ T73] inet6_addr_add+0x12f/0xa40 [ 4702.958982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.958982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.958982][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.958982][ T73] netlink_unicast+0x449/0x710 [ 4702.958982][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.958982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.958982][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.958982][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.958982][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.958982][ T73] [ 4702.960962][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.960962][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4702.960962][ T73] ipv6_find_idev+0x102/0x170 [ 4702.960962][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4702.960962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.960962][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.960962][ T73] netlink_unicast+0x449/0x710 [ 4702.960962][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.960962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.960962][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.960962][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.960962][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.960962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.960962][ T73] [ 4702.962506][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4702.962506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4702.962506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4702.962506][ T73] ipv6_find_idev+0x102/0x170 [ 4702.962506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4702.962506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.962506][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.962506][ T73] netlink_unicast+0x449/0x710 [ 4702.962506][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.962506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.962506][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.962506][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.962506][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.962506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.962506][ T73] [ 4702.964214][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4702.964497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.964497][ T73] dst_init+0x84/0x4a0 [ 4702.964497][ T73] dst_alloc+0x97/0x150 [ 4702.964497][ T73] ip6_dst_alloc+0x23/0x90 [ 4702.964497][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4702.964497][ T73] ip6_pol_route+0x56f/0x840 [ 4702.964497][ T73] fib6_rule_lookup+0x456/0x630 [ 4702.964497][ T73] ip6_route_input+0x59c/0xa50 [ 4702.964497][ T73] ipv6_rcv+0x397/0x810 [ 4702.964497][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4702.964497][ T73] process_backlog+0x101/0x620 [ 4702.964497][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4702.964497][ T73] net_rx_action+0x495/0xbe0 [ 4702.964497][ T73] __do_softirq+0x1b5/0x7f6 [ 4702.964497][ T73] [ 4702.966148][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.966148][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.966148][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.966148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.966148][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4702.966148][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4702.966148][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4702.966148][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4702.966148][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4702.966148][ T73] addrconf_dad_begin+0x310/0x670 [ 4702.966148][ T73] addrconf_dad_work+0x10b/0xab0 [ 4702.966148][ T73] process_one_work+0x84d/0x18a0 [ 4702.966148][ T73] worker_thread+0x587/0xd30 [ 4702.966148][ T73] kthread+0x28a/0x350 [ 4702.966148][ T73] ret_from_fork+0x31/0x70 [ 4702.966148][ T73] ret_from_fork_asm+0x1a/0x30 [ 4702.966148][ T73] [ 4702.968063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.968063][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.968063][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.968063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.968063][ T73] ip6_route_add+0x1c/0x140 [ 4702.968063][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4702.968063][ T73] inet6_addr_add+0x4f8/0xa40 [ 4702.968063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.968063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.968063][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.968063][ T73] netlink_unicast+0x449/0x710 [ 4702.968063][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.968063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.968063][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.968063][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.968063][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.968063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.968063][ T73] [ 4702.970077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.970077][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.970077][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.970077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.970077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4702.970077][ T73] ipv6_add_addr+0x411/0x2000 [ 4702.970077][ T73] inet6_addr_add+0x30e/0xa40 [ 4702.970077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.970077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.970077][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.970077][ T73] netlink_unicast+0x449/0x710 [ 4702.970077][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.970077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.970077][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.970077][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.970077][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.970077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.970077][ T73] [ 4702.972075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.972075][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.972075][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.972075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.972075][ T73] ip6_route_add+0x1c/0x140 [ 4702.972075][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4702.972075][ T73] addrconf_add_dev+0xe2/0x170 [ 4702.972075][ T73] inet6_addr_add+0x12f/0xa40 [ 4702.972075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.972075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.972075][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.972075][ T73] netlink_unicast+0x449/0x710 [ 4702.972075][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.972075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.972075][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.972075][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.972075][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.972075][ T73] [ 4702.974041][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.974041][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4702.974041][ T73] ipv6_find_idev+0x102/0x170 [ 4702.974041][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4702.974041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.974041][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.974041][ T73] netlink_unicast+0x449/0x710 [ 4702.974041][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.974041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.974041][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.974041][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.974041][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.974041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.974041][ T73] [ 4702.975581][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4702.975581][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4702.975581][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4702.975581][ T73] ipv6_find_idev+0x102/0x170 [ 4702.975581][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4702.975581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.975581][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.975581][ T73] netlink_unicast+0x449/0x710 [ 4702.975581][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.975581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.975581][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.975581][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.975581][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.975581][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.975581][ T73] [ 4702.977384][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4702.977652][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.977652][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4702.977652][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4702.977652][ T73] fib6_nh_init+0xa22/0x1580 [ 4702.977652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.977652][ T73] ip6_route_add+0x1c/0x140 [ 4702.977652][ T73] inet6_rtm_newroute+0x104/0x110 [ 4702.977652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.977652][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.977652][ T73] netlink_unicast+0x449/0x710 [ 4702.977652][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.977652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.977652][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.977652][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.977652][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.977652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.977652][ T73] [ 4702.979849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.979849][ T73] dst_init+0x84/0x4a0 [ 4702.979849][ T73] dst_alloc+0x97/0x150 [ 4702.979849][ T73] ip6_dst_alloc+0x23/0x90 [ 4702.979849][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4702.979849][ T73] ip6_pol_route+0x56f/0x840 [ 4702.979849][ T73] fib6_rule_lookup+0x456/0x630 [ 4702.979849][ T73] ip6_route_input+0x59c/0xa50 [ 4702.979849][ T73] ipv6_rcv+0x397/0x810 [ 4702.979849][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4702.979849][ T73] process_backlog+0x101/0x620 [ 4702.979849][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4702.979849][ T73] net_rx_action+0x495/0xbe0 [ 4702.979849][ T73] __do_softirq+0x1b5/0x7f6 [ 4702.979849][ T73] [ 4702.981672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.981672][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.981672][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.981672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.981672][ T73] ip6_route_add+0x1c/0x140 [ 4702.981672][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4702.981672][ T73] inet6_addr_add+0x4f8/0xa40 [ 4702.981672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.981672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.981672][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.981672][ T73] netlink_unicast+0x449/0x710 [ 4702.981672][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.981672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.981672][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.981672][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.981672][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.981672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.981672][ T73] [ 4702.983931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.983931][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.983931][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.983931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.983931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4702.983931][ T73] ipv6_add_addr+0x411/0x2000 [ 4702.983931][ T73] inet6_addr_add+0x30e/0xa40 [ 4702.983931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.983931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.983931][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.983931][ T73] netlink_unicast+0x449/0x710 [ 4702.983931][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.983931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.983931][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.983931][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.983931][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.983931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.983931][ T73] [ 4702.986179][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.986179][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.986179][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.986179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.986179][ T73] ip6_route_add+0x1c/0x140 [ 4702.986179][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4702.986179][ T73] addrconf_add_dev+0xe2/0x170 [ 4702.986179][ T73] inet6_addr_add+0x12f/0xa40 [ 4702.986179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.986179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.986179][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.986179][ T73] netlink_unicast+0x449/0x710 [ 4702.986179][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.986179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.986179][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.986179][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.986179][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.986179][ T73] [ 4702.988845][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.988845][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4702.988845][ T73] ipv6_find_idev+0x102/0x170 [ 4702.988845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4702.988845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.988845][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.988845][ T73] netlink_unicast+0x449/0x710 [ 4702.988845][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.988845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.988845][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.988845][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.988845][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.988845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.988845][ T73] [ 4702.990506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4702.990506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4702.990506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4702.990506][ T73] ipv6_find_idev+0x102/0x170 [ 4702.990506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4702.990506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.990506][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.990506][ T73] netlink_unicast+0x449/0x710 [ 4702.990506][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.990506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.990506][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.990506][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.990506][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.990506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.990506][ T73] [ 4702.992438][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4702.992710][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4702.992710][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.992710][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.992710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.992710][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4702.992710][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4702.992710][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4702.992710][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4702.992710][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4702.992710][ T73] addrconf_dad_begin+0x310/0x670 [ 4702.992710][ T73] addrconf_dad_work+0x10b/0xab0 [ 4702.992710][ T73] process_one_work+0x84d/0x18a0 [ 4702.992710][ T73] worker_thread+0x587/0xd30 [ 4702.992710][ T73] kthread+0x28a/0x350 [ 4702.992710][ T73] ret_from_fork+0x31/0x70 [ 4702.992710][ T73] ret_from_fork_asm+0x1a/0x30 [ 4702.992710][ T73] [ 4702.994865][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4702.994865][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.994865][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.994865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.994865][ T73] ip6_route_add+0x1c/0x140 [ 4702.994865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4702.994865][ T73] inet6_addr_add+0x4f8/0xa40 [ 4702.994865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.994865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.994865][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.994865][ T73] netlink_unicast+0x449/0x710 [ 4702.994865][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.994865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.994865][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.994865][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.994865][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.994865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.994865][ T73] [ 4702.997144][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4702.997144][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.997144][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.997144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.997144][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4702.997144][ T73] ipv6_add_addr+0x411/0x2000 [ 4702.997144][ T73] inet6_addr_add+0x30e/0xa40 [ 4702.997144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.997144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.997144][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.997144][ T73] netlink_unicast+0x449/0x710 [ 4702.997144][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.997144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.997144][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.997144][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.997144][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.997144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4702.997144][ T73] [ 4702.999459][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4702.999459][ T73] netdev_get_by_index+0x5e/0x80 [ 4702.999459][ T73] fib6_nh_init+0x3d8/0x1580 [ 4702.999459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4702.999459][ T73] ip6_route_add+0x1c/0x140 [ 4702.999459][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4702.999459][ T73] addrconf_add_dev+0xe2/0x170 [ 4702.999459][ T73] inet6_addr_add+0x12f/0xa40 [ 4702.999459][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4702.999459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4702.999459][ T73] netlink_rcv_skb+0x130/0x360 [ 4702.999459][ T73] netlink_unicast+0x449/0x710 [ 4702.999459][ T73] netlink_sendmsg+0x723/0xbe0 [ 4702.999459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4702.999459][ T73] ___sys_sendmsg+0xee/0x170 [ 4702.999459][ T73] __sys_sendmsg+0xcd/0x170 [ 4702.999459][ T73] do_syscall_64+0xc6/0x1e0 [ 4702.999459][ T73] [ 4703.001684][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4703.001684][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4703.001684][ T73] ipv6_find_idev+0x102/0x170 [ 4703.001684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.001684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.001684][ T73] netlink_rcv_skb+0x130/0x360 [ 4703.001684][ T73] netlink_unicast+0x449/0x710 [ 4703.001684][ T73] netlink_sendmsg+0x723/0xbe0 [ 4703.001684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4703.001684][ T73] ___sys_sendmsg+0xee/0x170 [ 4703.001684][ T73] __sys_sendmsg+0xcd/0x170 [ 4703.001684][ T73] do_syscall_64+0xc6/0x1e0 [ 4703.001684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.001684][ T73] [ 4703.003421][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4703.003421][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4703.003421][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4703.003421][ T73] ipv6_find_idev+0x102/0x170 [ 4703.003421][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.003421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.003421][ T73] netlink_rcv_skb+0x130/0x360 [ 4703.003421][ T73] netlink_unicast+0x449/0x710 [ 4703.003421][ T73] netlink_sendmsg+0x723/0xbe0 [ 4703.003421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4703.003421][ T73] ___sys_sendmsg+0xee/0x170 [ 4703.003421][ T73] __sys_sendmsg+0xcd/0x170 [ 4703.003421][ T73] do_syscall_64+0xc6/0x1e0 [ 4703.003421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.003421][ T73] [ 4713.182920][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4713.183321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.183321][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4713.183321][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4713.183321][ T73] fib6_nh_init+0xa22/0x1580 [ 4713.183321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.183321][ T73] ip6_route_add+0x1c/0x140 [ 4713.183321][ T73] inet6_rtm_newroute+0x104/0x110 [ 4713.183321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.183321][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.183321][ T73] netlink_unicast+0x449/0x710 [ 4713.183321][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.183321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.183321][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.183321][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.183321][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.183321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.183321][ T73] [ 4713.185290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.185290][ T73] dst_init+0x84/0x4a0 [ 4713.185290][ T73] dst_alloc+0x97/0x150 [ 4713.185290][ T73] ip6_dst_alloc+0x23/0x90 [ 4713.185290][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4713.185290][ T73] ip6_pol_route+0x56f/0x840 [ 4713.185290][ T73] fib6_rule_lookup+0x456/0x630 [ 4713.185290][ T73] ip6_route_input+0x59c/0xa50 [ 4713.185290][ T73] ipv6_rcv+0x397/0x810 [ 4713.185290][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4713.185290][ T73] process_backlog+0x101/0x620 [ 4713.185290][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4713.185290][ T73] net_rx_action+0x495/0xbe0 [ 4713.185290][ T73] __do_softirq+0x1b5/0x7f6 [ 4713.185290][ T73] [ 4713.186975][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.186975][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.186975][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.186975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.186975][ T73] ip6_route_add+0x1c/0x140 [ 4713.186975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4713.186975][ T73] inet6_addr_add+0x4f8/0xa40 [ 4713.186975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.186975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.186975][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.186975][ T73] netlink_unicast+0x449/0x710 [ 4713.186975][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.186975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.186975][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.186975][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.186975][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.186975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.186975][ T73] [ 4713.189049][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.189049][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.189049][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.189049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.189049][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4713.189049][ T73] ipv6_add_addr+0x411/0x2000 [ 4713.189049][ T73] inet6_addr_add+0x30e/0xa40 [ 4713.189049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.189049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.189049][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.189049][ T73] netlink_unicast+0x449/0x710 [ 4713.189049][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.189049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.189049][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.189049][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.189049][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.189049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.189049][ T73] [ 4713.191116][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.191116][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.191116][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.191116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.191116][ T73] ip6_route_add+0x1c/0x140 [ 4713.191116][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4713.191116][ T73] addrconf_add_dev+0xe2/0x170 [ 4713.191116][ T73] inet6_addr_add+0x12f/0xa40 [ 4713.191116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.191116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.191116][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.191116][ T73] netlink_unicast+0x449/0x710 [ 4713.191116][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.191116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.191116][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.191116][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.191116][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.191116][ T73] [ 4713.193140][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.193140][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4713.193140][ T73] ipv6_find_idev+0x102/0x170 [ 4713.193140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.193140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.193140][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.193140][ T73] netlink_unicast+0x449/0x710 [ 4713.193140][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.193140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.193140][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.193140][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.193140][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.193140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.193140][ T73] [ 4713.194717][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4713.194717][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4713.194717][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4713.194717][ T73] ipv6_find_idev+0x102/0x170 [ 4713.194717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.194717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.194717][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.194717][ T73] netlink_unicast+0x449/0x710 [ 4713.194717][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.194717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.194717][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.194717][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.194717][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.194717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.194717][ T73] [ 4713.196478][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4713.196756][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.196756][ T73] dst_init+0x84/0x4a0 [ 4713.196756][ T73] dst_alloc+0x97/0x150 [ 4713.196756][ T73] ip6_dst_alloc+0x23/0x90 [ 4713.196756][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4713.196756][ T73] ip6_pol_route+0x56f/0x840 [ 4713.196756][ T73] fib6_rule_lookup+0x456/0x630 [ 4713.196756][ T73] ip6_route_input+0x59c/0xa50 [ 4713.196756][ T73] ipv6_rcv+0x397/0x810 [ 4713.196756][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4713.196756][ T73] process_backlog+0x101/0x620 [ 4713.196756][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4713.196756][ T73] net_rx_action+0x495/0xbe0 [ 4713.196756][ T73] __do_softirq+0x1b5/0x7f6 [ 4713.196756][ T73] [ 4713.198443][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.198443][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.198443][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.198443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.198443][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4713.198443][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4713.198443][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4713.198443][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4713.198443][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4713.198443][ T73] addrconf_dad_begin+0x310/0x670 [ 4713.198443][ T73] addrconf_dad_work+0x10b/0xab0 [ 4713.198443][ T73] process_one_work+0x84d/0x18a0 [ 4713.198443][ T73] worker_thread+0x587/0xd30 [ 4713.198443][ T73] kthread+0x28a/0x350 [ 4713.198443][ T73] ret_from_fork+0x31/0x70 [ 4713.198443][ T73] ret_from_fork_asm+0x1a/0x30 [ 4713.198443][ T73] [ 4713.200444][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.200444][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.200444][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.200444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.200444][ T73] ip6_route_add+0x1c/0x140 [ 4713.200444][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4713.200444][ T73] inet6_addr_add+0x4f8/0xa40 [ 4713.200444][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.200444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.200444][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.200444][ T73] netlink_unicast+0x449/0x710 [ 4713.200444][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.200444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.200444][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.200444][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.200444][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.200444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.200444][ T73] [ 4713.202491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.202491][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.202491][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.202491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.202491][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4713.202491][ T73] ipv6_add_addr+0x411/0x2000 [ 4713.202491][ T73] inet6_addr_add+0x30e/0xa40 [ 4713.202491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.202491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.202491][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.202491][ T73] netlink_unicast+0x449/0x710 [ 4713.202491][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.202491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.202491][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.202491][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.202491][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.202491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.202491][ T73] [ 4713.204547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.204547][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.204547][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.204547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.204547][ T73] ip6_route_add+0x1c/0x140 [ 4713.204547][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4713.204547][ T73] addrconf_add_dev+0xe2/0x170 [ 4713.204547][ T73] inet6_addr_add+0x12f/0xa40 [ 4713.204547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.204547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.204547][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.204547][ T73] netlink_unicast+0x449/0x710 [ 4713.204547][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.204547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.204547][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.204547][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.204547][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.204547][ T73] [ 4713.206575][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.206575][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4713.206575][ T73] ipv6_find_idev+0x102/0x170 [ 4713.206575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.206575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.206575][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.206575][ T73] netlink_unicast+0x449/0x710 [ 4713.206575][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.206575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.206575][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.206575][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.206575][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.206575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.206575][ T73] [ 4713.208144][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4713.208144][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4713.208144][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4713.208144][ T73] ipv6_find_idev+0x102/0x170 [ 4713.208144][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.208144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.208144][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.208144][ T73] netlink_unicast+0x449/0x710 [ 4713.208144][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.208144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.208144][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.208144][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.208144][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.208144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.208144][ T73] [ 4713.209983][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4713.210261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.210261][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4713.210261][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4713.210261][ T73] fib6_nh_init+0xa22/0x1580 [ 4713.210261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.210261][ T73] ip6_route_add+0x1c/0x140 [ 4713.210261][ T73] inet6_rtm_newroute+0x104/0x110 [ 4713.210261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.210261][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.210261][ T73] netlink_unicast+0x449/0x710 [ 4713.210261][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.210261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.210261][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.210261][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.210261][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.210261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.210261][ T73] [ 4713.212424][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.212424][ T73] dst_init+0x84/0x4a0 [ 4713.212424][ T73] dst_alloc+0x97/0x150 [ 4713.212424][ T73] ip6_dst_alloc+0x23/0x90 [ 4713.212424][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4713.212424][ T73] ip6_pol_route+0x56f/0x840 [ 4713.212424][ T73] fib6_rule_lookup+0x456/0x630 [ 4713.212424][ T73] ip6_route_input+0x59c/0xa50 [ 4713.212424][ T73] ipv6_rcv+0x397/0x810 [ 4713.212424][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4713.212424][ T73] process_backlog+0x101/0x620 [ 4713.212424][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4713.212424][ T73] net_rx_action+0x495/0xbe0 [ 4713.212424][ T73] __do_softirq+0x1b5/0x7f6 [ 4713.212424][ T73] [ 4713.214306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.214306][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.214306][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.214306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.214306][ T73] ip6_route_add+0x1c/0x140 [ 4713.214306][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4713.214306][ T73] inet6_addr_add+0x4f8/0xa40 [ 4713.214306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.214306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.214306][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.214306][ T73] netlink_unicast+0x449/0x710 [ 4713.214306][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.214306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.214306][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.214306][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.214306][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.214306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.214306][ T73] [ 4713.216689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.216689][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.216689][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.216689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.216689][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4713.216689][ T73] ipv6_add_addr+0x411/0x2000 [ 4713.216689][ T73] inet6_addr_add+0x30e/0xa40 [ 4713.216689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.216689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.216689][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.216689][ T73] netlink_unicast+0x449/0x710 [ 4713.216689][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.216689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.216689][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.216689][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.216689][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.216689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.216689][ T73] [ 4713.218990][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.218990][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.218990][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.218990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.218990][ T73] ip6_route_add+0x1c/0x140 [ 4713.218990][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4713.218990][ T73] addrconf_add_dev+0xe2/0x170 [ 4713.218990][ T73] inet6_addr_add+0x12f/0xa40 [ 4713.218990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.218990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.218990][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.218990][ T73] netlink_unicast+0x449/0x710 [ 4713.218990][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.218990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.218990][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.218990][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.218990][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.218990][ T73] [ 4713.221248][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.221248][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4713.221248][ T73] ipv6_find_idev+0x102/0x170 [ 4713.221248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.221248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.221248][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.221248][ T73] netlink_unicast+0x449/0x710 [ 4713.221248][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.221248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.221248][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.221248][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.221248][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.221248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.221248][ T73] [ 4713.222943][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4713.222943][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4713.222943][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4713.222943][ T73] ipv6_find_idev+0x102/0x170 [ 4713.222943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.222943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.222943][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.222943][ T73] netlink_unicast+0x449/0x710 [ 4713.222943][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.222943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.222943][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.222943][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.222943][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.222943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.222943][ T73] [ 4713.224939][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4713.225218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4713.225218][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.225218][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.225218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.225218][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4713.225218][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4713.225218][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4713.225218][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4713.225218][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4713.225218][ T73] addrconf_dad_begin+0x310/0x670 [ 4713.225218][ T73] addrconf_dad_work+0x10b/0xab0 [ 4713.225218][ T73] process_one_work+0x84d/0x18a0 [ 4713.225218][ T73] worker_thread+0x587/0xd30 [ 4713.225218][ T73] kthread+0x28a/0x350 [ 4713.225218][ T73] ret_from_fork+0x31/0x70 [ 4713.225218][ T73] ret_from_fork_asm+0x1a/0x30 [ 4713.225218][ T73] [ 4713.227411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4713.227411][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.227411][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.227411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.227411][ T73] ip6_route_add+0x1c/0x140 [ 4713.227411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4713.227411][ T73] inet6_addr_add+0x4f8/0xa40 [ 4713.227411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.227411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.227411][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.227411][ T73] netlink_unicast+0x449/0x710 [ 4713.227411][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.227411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.227411][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.227411][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.227411][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.227411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.227411][ T73] [ 4713.229724][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4713.229724][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.229724][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.229724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.229724][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4713.229724][ T73] ipv6_add_addr+0x411/0x2000 [ 4713.229724][ T73] inet6_addr_add+0x30e/0xa40 [ 4713.229724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.229724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.229724][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.229724][ T73] netlink_unicast+0x449/0x710 [ 4713.229724][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.229724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.229724][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.229724][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.229724][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.229724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.229724][ T73] [ 4713.231969][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4713.231969][ T73] netdev_get_by_index+0x5e/0x80 [ 4713.231969][ T73] fib6_nh_init+0x3d8/0x1580 [ 4713.231969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4713.231969][ T73] ip6_route_add+0x1c/0x140 [ 4713.231969][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4713.231969][ T73] addrconf_add_dev+0xe2/0x170 [ 4713.231969][ T73] inet6_addr_add+0x12f/0xa40 [ 4713.231969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.231969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.231969][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.231969][ T73] netlink_unicast+0x449/0x710 [ 4713.231969][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.231969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.231969][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.231969][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.231969][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.231969][ T73] [ 4713.234243][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4713.234243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4713.234243][ T73] ipv6_find_idev+0x102/0x170 [ 4713.234243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.234243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.234243][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.234243][ T73] netlink_unicast+0x449/0x710 [ 4713.234243][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.234243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.234243][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.234243][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.234243][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.234243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.234243][ T73] [ 4713.236068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4713.236068][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4713.236068][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4713.236068][ T73] ipv6_find_idev+0x102/0x170 [ 4713.236068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.236068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.236068][ T73] netlink_rcv_skb+0x130/0x360 [ 4713.236068][ T73] netlink_unicast+0x449/0x710 [ 4713.236068][ T73] netlink_sendmsg+0x723/0xbe0 [ 4713.236068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4713.236068][ T73] ___sys_sendmsg+0xee/0x170 [ 4713.236068][ T73] __sys_sendmsg+0xcd/0x170 [ 4713.236068][ T73] do_syscall_64+0xc6/0x1e0 [ 4713.236068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.236068][ T73] [ 4723.350914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4723.351393][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.351393][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4723.351393][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4723.351393][ T73] fib6_nh_init+0xa22/0x1580 [ 4723.351393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.351393][ T73] ip6_route_add+0x1c/0x140 [ 4723.351393][ T73] inet6_rtm_newroute+0x104/0x110 [ 4723.351393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.351393][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.351393][ T73] netlink_unicast+0x449/0x710 [ 4723.351393][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.351393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.351393][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.351393][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.351393][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.351393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.351393][ T73] [ 4723.353306][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.353306][ T73] dst_init+0x84/0x4a0 [ 4723.353306][ T73] dst_alloc+0x97/0x150 [ 4723.353306][ T73] ip6_dst_alloc+0x23/0x90 [ 4723.353306][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4723.353306][ T73] ip6_pol_route+0x56f/0x840 [ 4723.353306][ T73] fib6_rule_lookup+0x456/0x630 [ 4723.353306][ T73] ip6_route_input+0x59c/0xa50 [ 4723.353306][ T73] ipv6_rcv+0x397/0x810 [ 4723.353306][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4723.353306][ T73] process_backlog+0x101/0x620 [ 4723.353306][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4723.353306][ T73] net_rx_action+0x495/0xbe0 [ 4723.353306][ T73] __do_softirq+0x1b5/0x7f6 [ 4723.353306][ T73] [ 4723.354970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.354970][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.354970][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.354970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.354970][ T73] ip6_route_add+0x1c/0x140 [ 4723.354970][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4723.354970][ T73] inet6_addr_add+0x4f8/0xa40 [ 4723.354970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.354970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.354970][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.354970][ T73] netlink_unicast+0x449/0x710 [ 4723.354970][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.354970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.354970][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.354970][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.354970][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.354970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.354970][ T73] [ 4723.357011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.357011][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.357011][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.357011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.357011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4723.357011][ T73] ipv6_add_addr+0x411/0x2000 [ 4723.357011][ T73] inet6_addr_add+0x30e/0xa40 [ 4723.357011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.357011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.357011][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.357011][ T73] netlink_unicast+0x449/0x710 [ 4723.357011][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.357011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.357011][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.357011][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.357011][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.357011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.357011][ T73] [ 4723.359067][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.359067][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.359067][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.359067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.359067][ T73] ip6_route_add+0x1c/0x140 [ 4723.359067][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4723.359067][ T73] addrconf_add_dev+0xe2/0x170 [ 4723.359067][ T73] inet6_addr_add+0x12f/0xa40 [ 4723.359067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.359067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.359067][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.359067][ T73] netlink_unicast+0x449/0x710 [ 4723.359067][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.359067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.359067][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.359067][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.359067][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.359067][ T73] [ 4723.361071][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.361071][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4723.361071][ T73] ipv6_find_idev+0x102/0x170 [ 4723.361071][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.361071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.361071][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.361071][ T73] netlink_unicast+0x449/0x710 [ 4723.361071][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.361071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.361071][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.361071][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.361071][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.361071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.361071][ T73] [ 4723.362660][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4723.362660][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4723.362660][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4723.362660][ T73] ipv6_find_idev+0x102/0x170 [ 4723.362660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.362660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.362660][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.362660][ T73] netlink_unicast+0x449/0x710 [ 4723.362660][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.362660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.362660][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.362660][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.362660][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.362660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.362660][ T73] [ 4723.364425][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4723.364707][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.364707][ T73] dst_init+0x84/0x4a0 [ 4723.364707][ T73] dst_alloc+0x97/0x150 [ 4723.364707][ T73] ip6_dst_alloc+0x23/0x90 [ 4723.364707][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4723.364707][ T73] ip6_pol_route+0x56f/0x840 [ 4723.364707][ T73] fib6_rule_lookup+0x456/0x630 [ 4723.364707][ T73] ip6_route_input+0x59c/0xa50 [ 4723.364707][ T73] ipv6_rcv+0x397/0x810 [ 4723.364707][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4723.364707][ T73] process_backlog+0x101/0x620 [ 4723.364707][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4723.364707][ T73] net_rx_action+0x495/0xbe0 [ 4723.364707][ T73] __do_softirq+0x1b5/0x7f6 [ 4723.364707][ T73] [ 4723.366404][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.366404][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.366404][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.366404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.366404][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4723.366404][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4723.366404][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4723.366404][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4723.366404][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4723.366404][ T73] addrconf_dad_begin+0x310/0x670 [ 4723.366404][ T73] addrconf_dad_work+0x10b/0xab0 [ 4723.366404][ T73] process_one_work+0x84d/0x18a0 [ 4723.366404][ T73] worker_thread+0x587/0xd30 [ 4723.366404][ T73] kthread+0x28a/0x350 [ 4723.366404][ T73] ret_from_fork+0x31/0x70 [ 4723.366404][ T73] ret_from_fork_asm+0x1a/0x30 [ 4723.366404][ T73] [ 4723.368343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.368343][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.368343][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.368343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.368343][ T73] ip6_route_add+0x1c/0x140 [ 4723.368343][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4723.368343][ T73] inet6_addr_add+0x4f8/0xa40 [ 4723.368343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.368343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.368343][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.368343][ T73] netlink_unicast+0x449/0x710 [ 4723.368343][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.368343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.368343][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.368343][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.368343][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.368343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.368343][ T73] [ 4723.370380][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.370380][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.370380][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.370380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.370380][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4723.370380][ T73] ipv6_add_addr+0x411/0x2000 [ 4723.370380][ T73] inet6_addr_add+0x30e/0xa40 [ 4723.370380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.370380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.370380][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.370380][ T73] netlink_unicast+0x449/0x710 [ 4723.370380][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.370380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.370380][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.370380][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.370380][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.370380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.370380][ T73] [ 4723.372379][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.372379][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.372379][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.372379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.372379][ T73] ip6_route_add+0x1c/0x140 [ 4723.372379][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4723.372379][ T73] addrconf_add_dev+0xe2/0x170 [ 4723.372379][ T73] inet6_addr_add+0x12f/0xa40 [ 4723.372379][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.372379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.372379][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.372379][ T73] netlink_unicast+0x449/0x710 [ 4723.372379][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.372379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.372379][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.372379][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.372379][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.372379][ T73] [ 4723.374350][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.374350][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4723.374350][ T73] ipv6_find_idev+0x102/0x170 [ 4723.374350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.374350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.374350][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.374350][ T73] netlink_unicast+0x449/0x710 [ 4723.374350][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.374350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.374350][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.374350][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.374350][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.374350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.374350][ T73] [ 4723.375918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4723.375918][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4723.375918][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4723.375918][ T73] ipv6_find_idev+0x102/0x170 [ 4723.375918][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.375918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.375918][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.375918][ T73] netlink_unicast+0x449/0x710 [ 4723.375918][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.375918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.375918][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.375918][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.375918][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.375918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.375918][ T73] [ 4723.377784][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4723.378061][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.378061][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4723.378061][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4723.378061][ T73] fib6_nh_init+0xa22/0x1580 [ 4723.378061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.378061][ T73] ip6_route_add+0x1c/0x140 [ 4723.378061][ T73] inet6_rtm_newroute+0x104/0x110 [ 4723.378061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.378061][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.378061][ T73] netlink_unicast+0x449/0x710 [ 4723.378061][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.378061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.378061][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.378061][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.378061][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.378061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.378061][ T73] [ 4723.380216][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.380216][ T73] dst_init+0x84/0x4a0 [ 4723.380216][ T73] dst_alloc+0x97/0x150 [ 4723.380216][ T73] ip6_dst_alloc+0x23/0x90 [ 4723.380216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4723.380216][ T73] ip6_pol_route+0x56f/0x840 [ 4723.380216][ T73] fib6_rule_lookup+0x456/0x630 [ 4723.380216][ T73] ip6_route_input+0x59c/0xa50 [ 4723.380216][ T73] ipv6_rcv+0x397/0x810 [ 4723.380216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4723.380216][ T73] process_backlog+0x101/0x620 [ 4723.380216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4723.380216][ T73] net_rx_action+0x495/0xbe0 [ 4723.380216][ T73] __do_softirq+0x1b5/0x7f6 [ 4723.380216][ T73] [ 4723.382056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.382056][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.382056][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.382056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.382056][ T73] ip6_route_add+0x1c/0x140 [ 4723.382056][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4723.382056][ T73] inet6_addr_add+0x4f8/0xa40 [ 4723.382056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.382056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.382056][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.382056][ T73] netlink_unicast+0x449/0x710 [ 4723.382056][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.382056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.382056][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.382056][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.382056][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.382056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.382056][ T73] [ 4723.384338][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.384338][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.384338][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.384338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.384338][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4723.384338][ T73] ipv6_add_addr+0x411/0x2000 [ 4723.384338][ T73] inet6_addr_add+0x30e/0xa40 [ 4723.384338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.384338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.384338][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.384338][ T73] netlink_unicast+0x449/0x710 [ 4723.384338][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.384338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.384338][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.384338][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.384338][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.384338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.384338][ T73] [ 4723.387113][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.387113][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.387113][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.387113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.387113][ T73] ip6_route_add+0x1c/0x140 [ 4723.387113][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4723.387113][ T73] addrconf_add_dev+0xe2/0x170 [ 4723.387113][ T73] inet6_addr_add+0x12f/0xa40 [ 4723.387113][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.387113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.387113][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.387113][ T73] netlink_unicast+0x449/0x710 [ 4723.387113][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.387113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.387113][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.387113][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.387113][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.387113][ T73] [ 4723.389424][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.389424][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4723.389424][ T73] ipv6_find_idev+0x102/0x170 [ 4723.389424][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.389424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.389424][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.389424][ T73] netlink_unicast+0x449/0x710 [ 4723.389424][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.389424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.389424][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.389424][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.389424][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.389424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.389424][ T73] [ 4723.391112][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4723.391112][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4723.391112][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4723.391112][ T73] ipv6_find_idev+0x102/0x170 [ 4723.391112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.391112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.391112][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.391112][ T73] netlink_unicast+0x449/0x710 [ 4723.391112][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.391112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.391112][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.391112][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.391112][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.391112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.391112][ T73] [ 4723.393075][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4723.393343][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4723.393343][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.393343][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.393343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.393343][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4723.393343][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4723.393343][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4723.393343][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4723.393343][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4723.393343][ T73] addrconf_dad_begin+0x310/0x670 [ 4723.393343][ T73] addrconf_dad_work+0x10b/0xab0 [ 4723.393343][ T73] process_one_work+0x84d/0x18a0 [ 4723.393343][ T73] worker_thread+0x587/0xd30 [ 4723.393343][ T73] kthread+0x28a/0x350 [ 4723.393343][ T73] ret_from_fork+0x31/0x70 [ 4723.393343][ T73] ret_from_fork_asm+0x1a/0x30 [ 4723.393343][ T73] [ 4723.395501][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4723.395501][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.395501][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.395501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.395501][ T73] ip6_route_add+0x1c/0x140 [ 4723.395501][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4723.395501][ T73] inet6_addr_add+0x4f8/0xa40 [ 4723.395501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.395501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.395501][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.395501][ T73] netlink_unicast+0x449/0x710 [ 4723.395501][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.395501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.395501][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.395501][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.395501][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.395501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.395501][ T73] [ 4723.397812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4723.397812][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.397812][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.397812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.397812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4723.397812][ T73] ipv6_add_addr+0x411/0x2000 [ 4723.397812][ T73] inet6_addr_add+0x30e/0xa40 [ 4723.397812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.397812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.397812][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.397812][ T73] netlink_unicast+0x449/0x710 [ 4723.397812][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.397812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.397812][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.397812][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.397812][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.397812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.397812][ T73] [ 4723.399999][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4723.399999][ T73] netdev_get_by_index+0x5e/0x80 [ 4723.399999][ T73] fib6_nh_init+0x3d8/0x1580 [ 4723.399999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4723.399999][ T73] ip6_route_add+0x1c/0x140 [ 4723.399999][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4723.399999][ T73] addrconf_add_dev+0xe2/0x170 [ 4723.399999][ T73] inet6_addr_add+0x12f/0xa40 [ 4723.399999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.399999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.399999][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.399999][ T73] netlink_unicast+0x449/0x710 [ 4723.399999][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.399999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.399999][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.399999][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.399999][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.399999][ T73] [ 4723.402241][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4723.402241][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4723.402241][ T73] ipv6_find_idev+0x102/0x170 [ 4723.402241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.402241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.402241][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.402241][ T73] netlink_unicast+0x449/0x710 [ 4723.402241][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.402241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.402241][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.402241][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.402241][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.402241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.402241][ T73] [ 4723.404003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4723.404003][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4723.404003][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4723.404003][ T73] ipv6_find_idev+0x102/0x170 [ 4723.404003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.404003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.404003][ T73] netlink_rcv_skb+0x130/0x360 [ 4723.404003][ T73] netlink_unicast+0x449/0x710 [ 4723.404003][ T73] netlink_sendmsg+0x723/0xbe0 [ 4723.404003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4723.404003][ T73] ___sys_sendmsg+0xee/0x170 [ 4723.404003][ T73] __sys_sendmsg+0xcd/0x170 [ 4723.404003][ T73] do_syscall_64+0xc6/0x1e0 [ 4723.404003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.404003][ T73] [ 4733.646902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4733.647711][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.647711][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4733.647711][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4733.647711][ T73] fib6_nh_init+0xa22/0x1580 [ 4733.647711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.647711][ T73] ip6_route_add+0x1c/0x140 [ 4733.647711][ T73] inet6_rtm_newroute+0x104/0x110 [ 4733.647711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.647711][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.647711][ T73] netlink_unicast+0x449/0x710 [ 4733.647711][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.647711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.647711][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.647711][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.647711][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.647711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.647711][ T73] [ 4733.649619][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.649619][ T73] dst_init+0x84/0x4a0 [ 4733.649619][ T73] dst_alloc+0x97/0x150 [ 4733.649619][ T73] ip6_dst_alloc+0x23/0x90 [ 4733.649619][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4733.649619][ T73] ip6_pol_route+0x56f/0x840 [ 4733.649619][ T73] fib6_rule_lookup+0x456/0x630 [ 4733.649619][ T73] ip6_route_input+0x59c/0xa50 [ 4733.649619][ T73] ipv6_rcv+0x397/0x810 [ 4733.649619][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4733.649619][ T73] process_backlog+0x101/0x620 [ 4733.649619][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4733.649619][ T73] net_rx_action+0x495/0xbe0 [ 4733.649619][ T73] __do_softirq+0x1b5/0x7f6 [ 4733.649619][ T73] [ 4733.651270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.651270][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.651270][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.651270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.651270][ T73] ip6_route_add+0x1c/0x140 [ 4733.651270][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4733.651270][ T73] inet6_addr_add+0x4f8/0xa40 [ 4733.651270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.651270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.651270][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.651270][ T73] netlink_unicast+0x449/0x710 [ 4733.651270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.651270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.651270][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.651270][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.651270][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.651270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.651270][ T73] [ 4733.653279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.653279][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.653279][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.653279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.653279][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4733.653279][ T73] ipv6_add_addr+0x411/0x2000 [ 4733.653279][ T73] inet6_addr_add+0x30e/0xa40 [ 4733.653279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.653279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.653279][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.653279][ T73] netlink_unicast+0x449/0x710 [ 4733.653279][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.653279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.653279][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.653279][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.653279][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.653279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.653279][ T73] [ 4733.655284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.655284][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.655284][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.655284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.655284][ T73] ip6_route_add+0x1c/0x140 [ 4733.655284][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4733.655284][ T73] addrconf_add_dev+0xe2/0x170 [ 4733.655284][ T73] inet6_addr_add+0x12f/0xa40 [ 4733.655284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.655284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.655284][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.655284][ T73] netlink_unicast+0x449/0x710 [ 4733.655284][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.655284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.655284][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.655284][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.655284][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.655284][ T73] [ 4733.657251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.657251][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4733.657251][ T73] ipv6_find_idev+0x102/0x170 [ 4733.657251][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.657251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.657251][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.657251][ T73] netlink_unicast+0x449/0x710 [ 4733.657251][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.657251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.657251][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.657251][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.657251][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.657251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.657251][ T73] [ 4733.658805][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4733.658805][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4733.658805][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4733.658805][ T73] ipv6_find_idev+0x102/0x170 [ 4733.658805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.658805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.658805][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.658805][ T73] netlink_unicast+0x449/0x710 [ 4733.658805][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.658805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.658805][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.658805][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.658805][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.658805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.658805][ T73] [ 4733.660523][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4733.660803][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.660803][ T73] dst_init+0x84/0x4a0 [ 4733.660803][ T73] dst_alloc+0x97/0x150 [ 4733.660803][ T73] ip6_dst_alloc+0x23/0x90 [ 4733.660803][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4733.660803][ T73] ip6_pol_route+0x56f/0x840 [ 4733.660803][ T73] fib6_rule_lookup+0x456/0x630 [ 4733.660803][ T73] ip6_route_input+0x59c/0xa50 [ 4733.660803][ T73] ipv6_rcv+0x397/0x810 [ 4733.660803][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4733.660803][ T73] process_backlog+0x101/0x620 [ 4733.660803][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4733.660803][ T73] net_rx_action+0x495/0xbe0 [ 4733.660803][ T73] __do_softirq+0x1b5/0x7f6 [ 4733.660803][ T73] [ 4733.662447][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.662447][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.662447][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.662447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.662447][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4733.662447][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4733.662447][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4733.662447][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4733.662447][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4733.662447][ T73] addrconf_dad_begin+0x310/0x670 [ 4733.662447][ T73] addrconf_dad_work+0x10b/0xab0 [ 4733.662447][ T73] process_one_work+0x84d/0x18a0 [ 4733.662447][ T73] worker_thread+0x587/0xd30 [ 4733.662447][ T73] kthread+0x28a/0x350 [ 4733.662447][ T73] ret_from_fork+0x31/0x70 [ 4733.662447][ T73] ret_from_fork_asm+0x1a/0x30 [ 4733.662447][ T73] [ 4733.664357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.664357][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.664357][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.664357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.664357][ T73] ip6_route_add+0x1c/0x140 [ 4733.664357][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4733.664357][ T73] inet6_addr_add+0x4f8/0xa40 [ 4733.664357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.664357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.664357][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.664357][ T73] netlink_unicast+0x449/0x710 [ 4733.664357][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.664357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.664357][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.664357][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.664357][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.664357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.664357][ T73] [ 4733.666357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.666357][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.666357][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.666357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.666357][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4733.666357][ T73] ipv6_add_addr+0x411/0x2000 [ 4733.666357][ T73] inet6_addr_add+0x30e/0xa40 [ 4733.666357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.666357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.666357][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.666357][ T73] netlink_unicast+0x449/0x710 [ 4733.666357][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.666357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.666357][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.666357][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.666357][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.666357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.666357][ T73] [ 4733.668358][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.668358][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.668358][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.668358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.668358][ T73] ip6_route_add+0x1c/0x140 [ 4733.668358][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4733.668358][ T73] addrconf_add_dev+0xe2/0x170 [ 4733.668358][ T73] inet6_addr_add+0x12f/0xa40 [ 4733.668358][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.668358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.668358][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.668358][ T73] netlink_unicast+0x449/0x710 [ 4733.668358][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.668358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.668358][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.668358][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.668358][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.668358][ T73] [ 4733.670333][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.670333][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4733.670333][ T73] ipv6_find_idev+0x102/0x170 [ 4733.670333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.670333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.670333][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.670333][ T73] netlink_unicast+0x449/0x710 [ 4733.670333][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.670333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.670333][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.670333][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.670333][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.670333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.670333][ T73] [ 4733.671883][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4733.671883][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4733.671883][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4733.671883][ T73] ipv6_find_idev+0x102/0x170 [ 4733.671883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.671883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.671883][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.671883][ T73] netlink_unicast+0x449/0x710 [ 4733.671883][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.671883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.671883][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.671883][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.671883][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.671883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.671883][ T73] [ 4733.673696][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4733.674001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.674001][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4733.674001][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4733.674001][ T73] fib6_nh_init+0xa22/0x1580 [ 4733.674001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.674001][ T73] ip6_route_add+0x1c/0x140 [ 4733.674001][ T73] inet6_rtm_newroute+0x104/0x110 [ 4733.674001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.674001][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.674001][ T73] netlink_unicast+0x449/0x710 [ 4733.674001][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.674001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.674001][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.674001][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.674001][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.674001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.674001][ T73] [ 4733.676131][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.676131][ T73] dst_init+0x84/0x4a0 [ 4733.676131][ T73] dst_alloc+0x97/0x150 [ 4733.676131][ T73] ip6_dst_alloc+0x23/0x90 [ 4733.676131][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4733.676131][ T73] ip6_pol_route+0x56f/0x840 [ 4733.676131][ T73] fib6_rule_lookup+0x456/0x630 [ 4733.676131][ T73] ip6_route_input+0x59c/0xa50 [ 4733.676131][ T73] ipv6_rcv+0x397/0x810 [ 4733.676131][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4733.676131][ T73] process_backlog+0x101/0x620 [ 4733.676131][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4733.676131][ T73] net_rx_action+0x495/0xbe0 [ 4733.676131][ T73] __do_softirq+0x1b5/0x7f6 [ 4733.676131][ T73] [ 4733.678013][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.678013][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.678013][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.678013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.678013][ T73] ip6_route_add+0x1c/0x140 [ 4733.678013][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4733.678013][ T73] inet6_addr_add+0x4f8/0xa40 [ 4733.678013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.678013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.678013][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.678013][ T73] netlink_unicast+0x449/0x710 [ 4733.678013][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.678013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.678013][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.678013][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.678013][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.678013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.678013][ T73] [ 4733.680261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.680261][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.680261][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.680261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.680261][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4733.680261][ T73] ipv6_add_addr+0x411/0x2000 [ 4733.680261][ T73] inet6_addr_add+0x30e/0xa40 [ 4733.680261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.680261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.680261][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.680261][ T73] netlink_unicast+0x449/0x710 [ 4733.680261][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.680261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.680261][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.680261][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.680261][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.680261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.680261][ T73] [ 4733.682511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.682511][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.682511][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.682511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.682511][ T73] ip6_route_add+0x1c/0x140 [ 4733.682511][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4733.682511][ T73] addrconf_add_dev+0xe2/0x170 [ 4733.682511][ T73] inet6_addr_add+0x12f/0xa40 [ 4733.682511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.682511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.682511][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.682511][ T73] netlink_unicast+0x449/0x710 [ 4733.682511][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.682511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.682511][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.682511][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.682511][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.682511][ T73] [ 4733.684724][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.684724][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4733.684724][ T73] ipv6_find_idev+0x102/0x170 [ 4733.684724][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.684724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.684724][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.684724][ T73] netlink_unicast+0x449/0x710 [ 4733.684724][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.684724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.684724][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.684724][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.684724][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.684724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.684724][ T73] [ 4733.686390][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4733.686390][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4733.686390][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4733.686390][ T73] ipv6_find_idev+0x102/0x170 [ 4733.686390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.686390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.686390][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.686390][ T73] netlink_unicast+0x449/0x710 [ 4733.686390][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.686390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.686390][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.686390][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.686390][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.686390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.686390][ T73] [ 4733.688378][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4733.688652][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4733.688652][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.688652][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.688652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.688652][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4733.688652][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4733.688652][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4733.688652][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4733.688652][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4733.688652][ T73] addrconf_dad_begin+0x310/0x670 [ 4733.688652][ T73] addrconf_dad_work+0x10b/0xab0 [ 4733.688652][ T73] process_one_work+0x84d/0x18a0 [ 4733.688652][ T73] worker_thread+0x587/0xd30 [ 4733.688652][ T73] kthread+0x28a/0x350 [ 4733.688652][ T73] ret_from_fork+0x31/0x70 [ 4733.688652][ T73] ret_from_fork_asm+0x1a/0x30 [ 4733.688652][ T73] [ 4733.690807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4733.690807][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.690807][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.690807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.690807][ T73] ip6_route_add+0x1c/0x140 [ 4733.690807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4733.690807][ T73] inet6_addr_add+0x4f8/0xa40 [ 4733.690807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.690807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.690807][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.690807][ T73] netlink_unicast+0x449/0x710 [ 4733.690807][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.690807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.690807][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.690807][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.690807][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.690807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.690807][ T73] [ 4733.693043][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4733.693043][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.693043][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.693043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.693043][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4733.693043][ T73] ipv6_add_addr+0x411/0x2000 [ 4733.693043][ T73] inet6_addr_add+0x30e/0xa40 [ 4733.693043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.693043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.693043][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.693043][ T73] netlink_unicast+0x449/0x710 [ 4733.693043][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.693043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.693043][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.693043][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.693043][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.693043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.693043][ T73] [ 4733.695233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4733.695233][ T73] netdev_get_by_index+0x5e/0x80 [ 4733.695233][ T73] fib6_nh_init+0x3d8/0x1580 [ 4733.695233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4733.695233][ T73] ip6_route_add+0x1c/0x140 [ 4733.695233][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4733.695233][ T73] addrconf_add_dev+0xe2/0x170 [ 4733.695233][ T73] inet6_addr_add+0x12f/0xa40 [ 4733.695233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.695233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.695233][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.695233][ T73] netlink_unicast+0x449/0x710 [ 4733.695233][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.695233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.695233][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.695233][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.695233][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.695233][ T73] [ 4733.697507][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4733.697507][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4733.697507][ T73] ipv6_find_idev+0x102/0x170 [ 4733.697507][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.697507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.697507][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.697507][ T73] netlink_unicast+0x449/0x710 [ 4733.697507][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.697507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.697507][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.697507][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.697507][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.697507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.697507][ T73] [ 4733.699365][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4733.699365][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4733.699365][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4733.699365][ T73] ipv6_find_idev+0x102/0x170 [ 4733.699365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.699365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.699365][ T73] netlink_rcv_skb+0x130/0x360 [ 4733.699365][ T73] netlink_unicast+0x449/0x710 [ 4733.699365][ T73] netlink_sendmsg+0x723/0xbe0 [ 4733.699365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4733.699365][ T73] ___sys_sendmsg+0xee/0x170 [ 4733.699365][ T73] __sys_sendmsg+0xcd/0x170 [ 4733.699365][ T73] do_syscall_64+0xc6/0x1e0 [ 4733.699365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.699365][ T73] [ 4743.942900][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4743.943301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.943301][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4743.943301][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4743.943301][ T73] fib6_nh_init+0xa22/0x1580 [ 4743.943301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.943301][ T73] ip6_route_add+0x1c/0x140 [ 4743.943301][ T73] inet6_rtm_newroute+0x104/0x110 [ 4743.943301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.943301][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.943301][ T73] netlink_unicast+0x449/0x710 [ 4743.943301][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.943301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.943301][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.943301][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.943301][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.943301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.943301][ T73] [ 4743.945245][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.945245][ T73] dst_init+0x84/0x4a0 [ 4743.945245][ T73] dst_alloc+0x97/0x150 [ 4743.945245][ T73] ip6_dst_alloc+0x23/0x90 [ 4743.945245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4743.945245][ T73] ip6_pol_route+0x56f/0x840 [ 4743.945245][ T73] fib6_rule_lookup+0x456/0x630 [ 4743.945245][ T73] ip6_route_input+0x59c/0xa50 [ 4743.945245][ T73] ipv6_rcv+0x397/0x810 [ 4743.945245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4743.945245][ T73] process_backlog+0x101/0x620 [ 4743.945245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4743.945245][ T73] net_rx_action+0x495/0xbe0 [ 4743.945245][ T73] __do_softirq+0x1b5/0x7f6 [ 4743.945245][ T73] [ 4743.946921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.946921][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.946921][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.946921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.946921][ T73] ip6_route_add+0x1c/0x140 [ 4743.946921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4743.946921][ T73] inet6_addr_add+0x4f8/0xa40 [ 4743.946921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.946921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.946921][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.946921][ T73] netlink_unicast+0x449/0x710 [ 4743.946921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.946921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.946921][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.946921][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.946921][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.946921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.946921][ T73] [ 4743.948981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.948981][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.948981][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.948981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.948981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4743.948981][ T73] ipv6_add_addr+0x411/0x2000 [ 4743.948981][ T73] inet6_addr_add+0x30e/0xa40 [ 4743.948981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.948981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.948981][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.948981][ T73] netlink_unicast+0x449/0x710 [ 4743.948981][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.948981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.948981][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.948981][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.948981][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.948981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.948981][ T73] [ 4743.951024][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.951024][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.951024][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.951024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.951024][ T73] ip6_route_add+0x1c/0x140 [ 4743.951024][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4743.951024][ T73] addrconf_add_dev+0xe2/0x170 [ 4743.951024][ T73] inet6_addr_add+0x12f/0xa40 [ 4743.951024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.951024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.951024][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.951024][ T73] netlink_unicast+0x449/0x710 [ 4743.951024][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.951024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.951024][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.951024][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.951024][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.951024][ T73] [ 4743.953030][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.953030][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4743.953030][ T73] ipv6_find_idev+0x102/0x170 [ 4743.953030][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.953030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.953030][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.953030][ T73] netlink_unicast+0x449/0x710 [ 4743.953030][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.953030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.953030][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.953030][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.953030][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.953030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.953030][ T73] [ 4743.954619][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4743.954619][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4743.954619][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4743.954619][ T73] ipv6_find_idev+0x102/0x170 [ 4743.954619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.954619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.954619][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.954619][ T73] netlink_unicast+0x449/0x710 [ 4743.954619][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.954619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.954619][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.954619][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.954619][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.954619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.954619][ T73] [ 4743.956349][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4743.956628][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.956628][ T73] dst_init+0x84/0x4a0 [ 4743.956628][ T73] dst_alloc+0x97/0x150 [ 4743.956628][ T73] ip6_dst_alloc+0x23/0x90 [ 4743.956628][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4743.956628][ T73] ip6_pol_route+0x56f/0x840 [ 4743.956628][ T73] fib6_rule_lookup+0x456/0x630 [ 4743.956628][ T73] ip6_route_input+0x59c/0xa50 [ 4743.956628][ T73] ipv6_rcv+0x397/0x810 [ 4743.956628][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4743.956628][ T73] process_backlog+0x101/0x620 [ 4743.956628][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4743.956628][ T73] net_rx_action+0x495/0xbe0 [ 4743.956628][ T73] __do_softirq+0x1b5/0x7f6 [ 4743.956628][ T73] [ 4743.958300][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.958300][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.958300][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.958300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.958300][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4743.958300][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4743.958300][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4743.958300][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4743.958300][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4743.958300][ T73] addrconf_dad_begin+0x310/0x670 [ 4743.958300][ T73] addrconf_dad_work+0x10b/0xab0 [ 4743.958300][ T73] process_one_work+0x84d/0x18a0 [ 4743.958300][ T73] worker_thread+0x587/0xd30 [ 4743.958300][ T73] kthread+0x28a/0x350 [ 4743.958300][ T73] ret_from_fork+0x31/0x70 [ 4743.958300][ T73] ret_from_fork_asm+0x1a/0x30 [ 4743.958300][ T73] [ 4743.960222][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.960222][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.960222][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.960222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.960222][ T73] ip6_route_add+0x1c/0x140 [ 4743.960222][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4743.960222][ T73] inet6_addr_add+0x4f8/0xa40 [ 4743.960222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.960222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.960222][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.960222][ T73] netlink_unicast+0x449/0x710 [ 4743.960222][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.960222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.960222][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.960222][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.960222][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.960222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.960222][ T73] [ 4743.962265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.962265][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.962265][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.962265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.962265][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4743.962265][ T73] ipv6_add_addr+0x411/0x2000 [ 4743.962265][ T73] inet6_addr_add+0x30e/0xa40 [ 4743.962265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.962265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.962265][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.962265][ T73] netlink_unicast+0x449/0x710 [ 4743.962265][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.962265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.962265][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.962265][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.962265][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.962265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.962265][ T73] [ 4743.964275][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.964275][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.964275][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.964275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.964275][ T73] ip6_route_add+0x1c/0x140 [ 4743.964275][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4743.964275][ T73] addrconf_add_dev+0xe2/0x170 [ 4743.964275][ T73] inet6_addr_add+0x12f/0xa40 [ 4743.964275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.964275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.964275][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.964275][ T73] netlink_unicast+0x449/0x710 [ 4743.964275][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.964275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.964275][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.964275][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.964275][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.964275][ T73] [ 4743.966276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.966276][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4743.966276][ T73] ipv6_find_idev+0x102/0x170 [ 4743.966276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.966276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.966276][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.966276][ T73] netlink_unicast+0x449/0x710 [ 4743.966276][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.966276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.966276][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.966276][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.966276][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.966276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.966276][ T73] [ 4743.967832][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4743.967832][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4743.967832][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4743.967832][ T73] ipv6_find_idev+0x102/0x170 [ 4743.967832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.967832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.967832][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.967832][ T73] netlink_unicast+0x449/0x710 [ 4743.967832][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.967832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.967832][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.967832][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.967832][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.967832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.967832][ T73] [ 4743.969631][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4743.969922][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.969922][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4743.969922][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4743.969922][ T73] fib6_nh_init+0xa22/0x1580 [ 4743.969922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.969922][ T73] ip6_route_add+0x1c/0x140 [ 4743.969922][ T73] inet6_rtm_newroute+0x104/0x110 [ 4743.969922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.969922][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.969922][ T73] netlink_unicast+0x449/0x710 [ 4743.969922][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.969922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.969922][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.969922][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.969922][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.969922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.969922][ T73] [ 4743.971949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.971949][ T73] dst_init+0x84/0x4a0 [ 4743.971949][ T73] dst_alloc+0x97/0x150 [ 4743.971949][ T73] ip6_dst_alloc+0x23/0x90 [ 4743.971949][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4743.971949][ T73] ip6_pol_route+0x56f/0x840 [ 4743.971949][ T73] fib6_rule_lookup+0x456/0x630 [ 4743.971949][ T73] ip6_route_input+0x59c/0xa50 [ 4743.971949][ T73] ipv6_rcv+0x397/0x810 [ 4743.971949][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4743.971949][ T73] process_backlog+0x101/0x620 [ 4743.971949][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4743.971949][ T73] net_rx_action+0x495/0xbe0 [ 4743.971949][ T73] __do_softirq+0x1b5/0x7f6 [ 4743.971949][ T73] [ 4743.973733][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.973733][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.973733][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.973733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.973733][ T73] ip6_route_add+0x1c/0x140 [ 4743.973733][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4743.973733][ T73] inet6_addr_add+0x4f8/0xa40 [ 4743.973733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.973733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.973733][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.973733][ T73] netlink_unicast+0x449/0x710 [ 4743.973733][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.973733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.973733][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.973733][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.973733][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.973733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.973733][ T73] [ 4743.975878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.975878][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.975878][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.975878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.975878][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4743.975878][ T73] ipv6_add_addr+0x411/0x2000 [ 4743.975878][ T73] inet6_addr_add+0x30e/0xa40 [ 4743.975878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.975878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.975878][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.975878][ T73] netlink_unicast+0x449/0x710 [ 4743.975878][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.975878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.975878][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.975878][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.975878][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.975878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.975878][ T73] [ 4743.978031][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.978031][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.978031][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.978031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.978031][ T73] ip6_route_add+0x1c/0x140 [ 4743.978031][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4743.978031][ T73] addrconf_add_dev+0xe2/0x170 [ 4743.978031][ T73] inet6_addr_add+0x12f/0xa40 [ 4743.978031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.978031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.978031][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.978031][ T73] netlink_unicast+0x449/0x710 [ 4743.978031][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.978031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.978031][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.978031][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.978031][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.978031][ T73] [ 4743.980149][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.980149][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4743.980149][ T73] ipv6_find_idev+0x102/0x170 [ 4743.980149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.980149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.980149][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.980149][ T73] netlink_unicast+0x449/0x710 [ 4743.980149][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.980149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.980149][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.980149][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.980149][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.980149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.980149][ T73] [ 4743.981773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4743.981773][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4743.981773][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4743.981773][ T73] ipv6_find_idev+0x102/0x170 [ 4743.981773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.981773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.981773][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.981773][ T73] netlink_unicast+0x449/0x710 [ 4743.981773][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.981773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.981773][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.981773][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.981773][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.981773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.981773][ T73] [ 4743.983599][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4743.984300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4743.984300][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.984300][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.984300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.984300][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4743.984300][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4743.984300][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4743.984300][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4743.984300][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4743.984300][ T73] addrconf_dad_begin+0x310/0x670 [ 4743.984300][ T73] addrconf_dad_work+0x10b/0xab0 [ 4743.984300][ T73] process_one_work+0x84d/0x18a0 [ 4743.984300][ T73] worker_thread+0x587/0xd30 [ 4743.984300][ T73] kthread+0x28a/0x350 [ 4743.984300][ T73] ret_from_fork+0x31/0x70 [ 4743.984300][ T73] ret_from_fork_asm+0x1a/0x30 [ 4743.984300][ T73] [ 4743.986217][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4743.986217][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.986217][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.986217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.986217][ T73] ip6_route_add+0x1c/0x140 [ 4743.986217][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4743.986217][ T73] inet6_addr_add+0x4f8/0xa40 [ 4743.986217][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.986217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.986217][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.986217][ T73] netlink_unicast+0x449/0x710 [ 4743.986217][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.986217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.986217][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.986217][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.986217][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.986217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.986217][ T73] [ 4743.988285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4743.988285][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.988285][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.988285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.988285][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4743.988285][ T73] ipv6_add_addr+0x411/0x2000 [ 4743.988285][ T73] inet6_addr_add+0x30e/0xa40 [ 4743.988285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.988285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.988285][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.988285][ T73] netlink_unicast+0x449/0x710 [ 4743.988285][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.988285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.988285][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.988285][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.988285][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.988285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.988285][ T73] [ 4743.990425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4743.990425][ T73] netdev_get_by_index+0x5e/0x80 [ 4743.990425][ T73] fib6_nh_init+0x3d8/0x1580 [ 4743.990425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4743.990425][ T73] ip6_route_add+0x1c/0x140 [ 4743.990425][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4743.990425][ T73] addrconf_add_dev+0xe2/0x170 [ 4743.990425][ T73] inet6_addr_add+0x12f/0xa40 [ 4743.990425][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4743.990425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.990425][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.990425][ T73] netlink_unicast+0x449/0x710 [ 4743.990425][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.990425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.990425][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.990425][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.990425][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.990425][ T73] [ 4743.992551][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4743.992551][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4743.992551][ T73] ipv6_find_idev+0x102/0x170 [ 4743.992551][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.992551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.992551][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.992551][ T73] netlink_unicast+0x449/0x710 [ 4743.992551][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.992551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.992551][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.992551][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.992551][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.992551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.992551][ T73] [ 4743.994155][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4743.994155][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4743.994155][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4743.994155][ T73] ipv6_find_idev+0x102/0x170 [ 4743.994155][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4743.994155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4743.994155][ T73] netlink_rcv_skb+0x130/0x360 [ 4743.994155][ T73] netlink_unicast+0x449/0x710 [ 4743.994155][ T73] netlink_sendmsg+0x723/0xbe0 [ 4743.994155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4743.994155][ T73] ___sys_sendmsg+0xee/0x170 [ 4743.994155][ T73] __sys_sendmsg+0xcd/0x170 [ 4743.994155][ T73] do_syscall_64+0xc6/0x1e0 [ 4743.994155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4743.994155][ T73] [ 4754.238833][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4754.239212][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.239212][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4754.239212][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4754.239212][ T73] fib6_nh_init+0xa22/0x1580 [ 4754.239212][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.239212][ T73] ip6_route_add+0x1c/0x140 [ 4754.239212][ T73] inet6_rtm_newroute+0x104/0x110 [ 4754.239212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.239212][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.239212][ T73] netlink_unicast+0x449/0x710 [ 4754.239212][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.239212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.239212][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.239212][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.239212][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.239212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.239212][ T73] [ 4754.241302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.241302][ T73] dst_init+0x84/0x4a0 [ 4754.241302][ T73] dst_alloc+0x97/0x150 [ 4754.241302][ T73] ip6_dst_alloc+0x23/0x90 [ 4754.241302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4754.241302][ T73] ip6_pol_route+0x56f/0x840 [ 4754.241302][ T73] fib6_rule_lookup+0x456/0x630 [ 4754.241302][ T73] ip6_route_input+0x59c/0xa50 [ 4754.241302][ T73] ipv6_rcv+0x397/0x810 [ 4754.241302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4754.241302][ T73] process_backlog+0x101/0x620 [ 4754.241302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4754.241302][ T73] net_rx_action+0x495/0xbe0 [ 4754.241302][ T73] __do_softirq+0x1b5/0x7f6 [ 4754.241302][ T73] [ 4754.243007][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.243007][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.243007][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.243007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.243007][ T73] ip6_route_add+0x1c/0x140 [ 4754.243007][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4754.243007][ T73] inet6_addr_add+0x4f8/0xa40 [ 4754.243007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.243007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.243007][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.243007][ T73] netlink_unicast+0x449/0x710 [ 4754.243007][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.243007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.243007][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.243007][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.243007][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.243007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.243007][ T73] [ 4754.244989][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.244989][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.244989][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.244989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.244989][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4754.244989][ T73] ipv6_add_addr+0x411/0x2000 [ 4754.244989][ T73] inet6_addr_add+0x30e/0xa40 [ 4754.244989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.244989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.244989][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.244989][ T73] netlink_unicast+0x449/0x710 [ 4754.244989][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.244989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.244989][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.244989][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.244989][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.244989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.244989][ T73] [ 4754.246971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.246971][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.246971][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.246971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.246971][ T73] ip6_route_add+0x1c/0x140 [ 4754.246971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4754.246971][ T73] addrconf_add_dev+0xe2/0x170 [ 4754.246971][ T73] inet6_addr_add+0x12f/0xa40 [ 4754.246971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.246971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.246971][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.246971][ T73] netlink_unicast+0x449/0x710 [ 4754.246971][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.246971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.246971][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.246971][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.246971][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.246971][ T73] [ 4754.248944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.248944][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4754.248944][ T73] ipv6_find_idev+0x102/0x170 [ 4754.248944][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.248944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.248944][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.248944][ T73] netlink_unicast+0x449/0x710 [ 4754.248944][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.248944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.248944][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.248944][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.248944][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.248944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.248944][ T73] [ 4754.250530][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4754.250530][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4754.250530][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4754.250530][ T73] ipv6_find_idev+0x102/0x170 [ 4754.250530][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.250530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.250530][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.250530][ T73] netlink_unicast+0x449/0x710 [ 4754.250530][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.250530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.250530][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.250530][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.250530][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.250530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.250530][ T73] [ 4754.252363][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4754.252648][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.252648][ T73] dst_init+0x84/0x4a0 [ 4754.252648][ T73] dst_alloc+0x97/0x150 [ 4754.252648][ T73] ip6_dst_alloc+0x23/0x90 [ 4754.252648][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4754.252648][ T73] ip6_pol_route+0x56f/0x840 [ 4754.252648][ T73] fib6_rule_lookup+0x456/0x630 [ 4754.252648][ T73] ip6_route_input+0x59c/0xa50 [ 4754.252648][ T73] ipv6_rcv+0x397/0x810 [ 4754.252648][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4754.252648][ T73] process_backlog+0x101/0x620 [ 4754.252648][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4754.252648][ T73] net_rx_action+0x495/0xbe0 [ 4754.252648][ T73] __do_softirq+0x1b5/0x7f6 [ 4754.252648][ T73] [ 4754.254385][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.254385][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.254385][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.254385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.254385][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4754.254385][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4754.254385][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4754.254385][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4754.254385][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4754.254385][ T73] addrconf_dad_begin+0x310/0x670 [ 4754.254385][ T73] addrconf_dad_work+0x10b/0xab0 [ 4754.254385][ T73] process_one_work+0x84d/0x18a0 [ 4754.254385][ T73] worker_thread+0x587/0xd30 [ 4754.254385][ T73] kthread+0x28a/0x350 [ 4754.254385][ T73] ret_from_fork+0x31/0x70 [ 4754.254385][ T73] ret_from_fork_asm+0x1a/0x30 [ 4754.254385][ T73] [ 4754.256282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.256282][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.256282][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.256282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.256282][ T73] ip6_route_add+0x1c/0x140 [ 4754.256282][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4754.256282][ T73] inet6_addr_add+0x4f8/0xa40 [ 4754.256282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.256282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.256282][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.256282][ T73] netlink_unicast+0x449/0x710 [ 4754.256282][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.256282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.256282][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.256282][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.256282][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.256282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.256282][ T73] [ 4754.258404][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.258404][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.258404][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.258404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.258404][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4754.258404][ T73] ipv6_add_addr+0x411/0x2000 [ 4754.258404][ T73] inet6_addr_add+0x30e/0xa40 [ 4754.258404][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.258404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.258404][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.258404][ T73] netlink_unicast+0x449/0x710 [ 4754.258404][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.258404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.258404][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.258404][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.258404][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.258404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.258404][ T73] [ 4754.260538][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.260538][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.260538][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.260538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.260538][ T73] ip6_route_add+0x1c/0x140 [ 4754.260538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4754.260538][ T73] addrconf_add_dev+0xe2/0x170 [ 4754.260538][ T73] inet6_addr_add+0x12f/0xa40 [ 4754.260538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.260538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.260538][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.260538][ T73] netlink_unicast+0x449/0x710 [ 4754.260538][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.260538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.260538][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.260538][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.260538][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.260538][ T73] [ 4754.262662][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.262662][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4754.262662][ T73] ipv6_find_idev+0x102/0x170 [ 4754.262662][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.262662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.262662][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.262662][ T73] netlink_unicast+0x449/0x710 [ 4754.262662][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.262662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.262662][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.262662][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.262662][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.262662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.262662][ T73] [ 4754.264260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4754.264260][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4754.264260][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4754.264260][ T73] ipv6_find_idev+0x102/0x170 [ 4754.264260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.264260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.264260][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.264260][ T73] netlink_unicast+0x449/0x710 [ 4754.264260][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.264260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.264260][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.264260][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.264260][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.264260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.264260][ T73] [ 4754.266011][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4754.266304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.266304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4754.266304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4754.266304][ T73] fib6_nh_init+0xa22/0x1580 [ 4754.266304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.266304][ T73] ip6_route_add+0x1c/0x140 [ 4754.266304][ T73] inet6_rtm_newroute+0x104/0x110 [ 4754.266304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.266304][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.266304][ T73] netlink_unicast+0x449/0x710 [ 4754.266304][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.266304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.266304][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.266304][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.266304][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.266304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.266304][ T73] [ 4754.268288][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.268288][ T73] dst_init+0x84/0x4a0 [ 4754.268288][ T73] dst_alloc+0x97/0x150 [ 4754.268288][ T73] ip6_dst_alloc+0x23/0x90 [ 4754.268288][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4754.268288][ T73] ip6_pol_route+0x56f/0x840 [ 4754.268288][ T73] fib6_rule_lookup+0x456/0x630 [ 4754.268288][ T73] ip6_route_input+0x59c/0xa50 [ 4754.268288][ T73] ipv6_rcv+0x397/0x810 [ 4754.268288][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4754.268288][ T73] process_backlog+0x101/0x620 [ 4754.268288][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4754.268288][ T73] net_rx_action+0x495/0xbe0 [ 4754.268288][ T73] __do_softirq+0x1b5/0x7f6 [ 4754.268288][ T73] [ 4754.270044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.270044][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.270044][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.270044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.270044][ T73] ip6_route_add+0x1c/0x140 [ 4754.270044][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4754.270044][ T73] inet6_addr_add+0x4f8/0xa40 [ 4754.270044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.270044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.270044][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.270044][ T73] netlink_unicast+0x449/0x710 [ 4754.270044][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.270044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.270044][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.270044][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.270044][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.270044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.270044][ T73] [ 4754.272287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.272287][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.272287][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.272287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.272287][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4754.272287][ T73] ipv6_add_addr+0x411/0x2000 [ 4754.272287][ T73] inet6_addr_add+0x30e/0xa40 [ 4754.272287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.272287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.272287][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.272287][ T73] netlink_unicast+0x449/0x710 [ 4754.272287][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.272287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.272287][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.272287][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.272287][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.272287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.272287][ T73] [ 4754.274495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.274495][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.274495][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.274495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.274495][ T73] ip6_route_add+0x1c/0x140 [ 4754.274495][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4754.274495][ T73] addrconf_add_dev+0xe2/0x170 [ 4754.274495][ T73] inet6_addr_add+0x12f/0xa40 [ 4754.274495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.274495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.274495][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.274495][ T73] netlink_unicast+0x449/0x710 [ 4754.274495][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.274495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.274495][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.274495][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.274495][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.274495][ T73] [ 4754.276502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.276502][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4754.276502][ T73] ipv6_find_idev+0x102/0x170 [ 4754.276502][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.276502][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.276502][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.276502][ T73] netlink_unicast+0x449/0x710 [ 4754.276502][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.276502][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.276502][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.276502][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.276502][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.276502][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.276502][ T73] [ 4754.278299][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4754.278299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4754.278299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4754.278299][ T73] ipv6_find_idev+0x102/0x170 [ 4754.278299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.278299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.278299][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.278299][ T73] netlink_unicast+0x449/0x710 [ 4754.278299][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.278299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.278299][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.278299][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.278299][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.278299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.278299][ T73] [ 4754.280356][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4754.280644][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4754.280644][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.280644][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.280644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.280644][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4754.280644][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4754.280644][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4754.280644][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4754.280644][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4754.280644][ T73] addrconf_dad_begin+0x310/0x670 [ 4754.280644][ T73] addrconf_dad_work+0x10b/0xab0 [ 4754.280644][ T73] process_one_work+0x84d/0x18a0 [ 4754.280644][ T73] worker_thread+0x587/0xd30 [ 4754.280644][ T73] kthread+0x28a/0x350 [ 4754.280644][ T73] ret_from_fork+0x31/0x70 [ 4754.280644][ T73] ret_from_fork_asm+0x1a/0x30 [ 4754.280644][ T73] [ 4754.282965][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4754.282965][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.282965][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.282965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.282965][ T73] ip6_route_add+0x1c/0x140 [ 4754.282965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4754.282965][ T73] inet6_addr_add+0x4f8/0xa40 [ 4754.282965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.282965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.282965][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.282965][ T73] netlink_unicast+0x449/0x710 [ 4754.282965][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.282965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.282965][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.282965][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.282965][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.282965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.282965][ T73] [ 4754.285269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4754.285269][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.285269][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.285269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.285269][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4754.285269][ T73] ipv6_add_addr+0x411/0x2000 [ 4754.285269][ T73] inet6_addr_add+0x30e/0xa40 [ 4754.285269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.285269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.285269][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.285269][ T73] netlink_unicast+0x449/0x710 [ 4754.285269][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.285269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.285269][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.285269][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.285269][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.285269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.285269][ T73] [ 4754.287538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4754.287538][ T73] netdev_get_by_index+0x5e/0x80 [ 4754.287538][ T73] fib6_nh_init+0x3d8/0x1580 [ 4754.287538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4754.287538][ T73] ip6_route_add+0x1c/0x140 [ 4754.287538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4754.287538][ T73] addrconf_add_dev+0xe2/0x170 [ 4754.287538][ T73] inet6_addr_add+0x12f/0xa40 [ 4754.287538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.287538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.287538][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.287538][ T73] netlink_unicast+0x449/0x710 [ 4754.287538][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.287538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.287538][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.287538][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.287538][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.287538][ T73] [ 4754.289782][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4754.289782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4754.289782][ T73] ipv6_find_idev+0x102/0x170 [ 4754.289782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.289782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.289782][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.289782][ T73] netlink_unicast+0x449/0x710 [ 4754.289782][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.289782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.289782][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.289782][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.289782][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.289782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.289782][ T73] [ 4754.291484][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4754.291484][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4754.291484][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4754.291484][ T73] ipv6_find_idev+0x102/0x170 [ 4754.291484][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.291484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.291484][ T73] netlink_rcv_skb+0x130/0x360 [ 4754.291484][ T73] netlink_unicast+0x449/0x710 [ 4754.291484][ T73] netlink_sendmsg+0x723/0xbe0 [ 4754.291484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4754.291484][ T73] ___sys_sendmsg+0xee/0x170 [ 4754.291484][ T73] __sys_sendmsg+0xcd/0x170 [ 4754.291484][ T73] do_syscall_64+0xc6/0x1e0 [ 4754.291484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.291484][ T73] [ 4764.534893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4764.535314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.535314][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4764.535314][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4764.535314][ T73] fib6_nh_init+0xa22/0x1580 [ 4764.535314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.535314][ T73] ip6_route_add+0x1c/0x140 [ 4764.535314][ T73] inet6_rtm_newroute+0x104/0x110 [ 4764.535314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.535314][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.535314][ T73] netlink_unicast+0x449/0x710 [ 4764.535314][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.535314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.535314][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.535314][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.535314][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.535314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.535314][ T73] [ 4764.537327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.537327][ T73] dst_init+0x84/0x4a0 [ 4764.537327][ T73] dst_alloc+0x97/0x150 [ 4764.537327][ T73] ip6_dst_alloc+0x23/0x90 [ 4764.537327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4764.537327][ T73] ip6_pol_route+0x56f/0x840 [ 4764.537327][ T73] fib6_rule_lookup+0x456/0x630 [ 4764.537327][ T73] ip6_route_input+0x59c/0xa50 [ 4764.537327][ T73] ipv6_rcv+0x397/0x810 [ 4764.537327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4764.537327][ T73] process_backlog+0x101/0x620 [ 4764.537327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4764.537327][ T73] net_rx_action+0x495/0xbe0 [ 4764.537327][ T73] __do_softirq+0x1b5/0x7f6 [ 4764.537327][ T73] [ 4764.539113][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.539113][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.539113][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.539113][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.539113][ T73] ip6_route_add+0x1c/0x140 [ 4764.539113][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4764.539113][ T73] inet6_addr_add+0x4f8/0xa40 [ 4764.539113][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.539113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.539113][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.539113][ T73] netlink_unicast+0x449/0x710 [ 4764.539113][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.539113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.539113][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.539113][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.539113][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.539113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.539113][ T73] [ 4764.541269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.541269][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.541269][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.541269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.541269][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4764.541269][ T73] ipv6_add_addr+0x411/0x2000 [ 4764.541269][ T73] inet6_addr_add+0x30e/0xa40 [ 4764.541269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.541269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.541269][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.541269][ T73] netlink_unicast+0x449/0x710 [ 4764.541269][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.541269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.541269][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.541269][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.541269][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.541269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.541269][ T73] [ 4764.543308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.543308][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.543308][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.543308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.543308][ T73] ip6_route_add+0x1c/0x140 [ 4764.543308][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4764.543308][ T73] addrconf_add_dev+0xe2/0x170 [ 4764.543308][ T73] inet6_addr_add+0x12f/0xa40 [ 4764.543308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.543308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.543308][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.543308][ T73] netlink_unicast+0x449/0x710 [ 4764.543308][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.543308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.543308][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.543308][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.543308][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.543308][ T73] [ 4764.545314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.545314][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4764.545314][ T73] ipv6_find_idev+0x102/0x170 [ 4764.545314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.545314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.545314][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.545314][ T73] netlink_unicast+0x449/0x710 [ 4764.545314][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.545314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.545314][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.545314][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.545314][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.545314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.545314][ T73] [ 4764.546966][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4764.546966][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4764.546966][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4764.546966][ T73] ipv6_find_idev+0x102/0x170 [ 4764.546966][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.546966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.546966][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.546966][ T73] netlink_unicast+0x449/0x710 [ 4764.546966][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.546966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.546966][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.546966][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.546966][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.546966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.546966][ T73] [ 4764.548802][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4764.549089][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.549089][ T73] dst_init+0x84/0x4a0 [ 4764.549089][ T73] dst_alloc+0x97/0x150 [ 4764.549089][ T73] ip6_dst_alloc+0x23/0x90 [ 4764.549089][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4764.549089][ T73] ip6_pol_route+0x56f/0x840 [ 4764.549089][ T73] fib6_rule_lookup+0x456/0x630 [ 4764.549089][ T73] ip6_route_input+0x59c/0xa50 [ 4764.549089][ T73] ipv6_rcv+0x397/0x810 [ 4764.549089][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4764.549089][ T73] process_backlog+0x101/0x620 [ 4764.549089][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4764.549089][ T73] net_rx_action+0x495/0xbe0 [ 4764.549089][ T73] __do_softirq+0x1b5/0x7f6 [ 4764.549089][ T73] [ 4764.550774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.550774][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.550774][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.550774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.550774][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4764.550774][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4764.550774][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4764.550774][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4764.550774][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4764.550774][ T73] addrconf_dad_begin+0x310/0x670 [ 4764.550774][ T73] addrconf_dad_work+0x10b/0xab0 [ 4764.550774][ T73] process_one_work+0x84d/0x18a0 [ 4764.550774][ T73] worker_thread+0x587/0xd30 [ 4764.550774][ T73] kthread+0x28a/0x350 [ 4764.550774][ T73] ret_from_fork+0x31/0x70 [ 4764.550774][ T73] ret_from_fork_asm+0x1a/0x30 [ 4764.550774][ T73] [ 4764.552685][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.552685][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.552685][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.552685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.552685][ T73] ip6_route_add+0x1c/0x140 [ 4764.552685][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4764.552685][ T73] inet6_addr_add+0x4f8/0xa40 [ 4764.552685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.552685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.552685][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.552685][ T73] netlink_unicast+0x449/0x710 [ 4764.552685][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.552685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.552685][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.552685][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.552685][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.552685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.552685][ T73] [ 4764.554697][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.554697][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.554697][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.554697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.554697][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4764.554697][ T73] ipv6_add_addr+0x411/0x2000 [ 4764.554697][ T73] inet6_addr_add+0x30e/0xa40 [ 4764.554697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.554697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.554697][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.554697][ T73] netlink_unicast+0x449/0x710 [ 4764.554697][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.554697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.554697][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.554697][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.554697][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.554697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.554697][ T73] [ 4764.556730][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.556730][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.556730][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.556730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.556730][ T73] ip6_route_add+0x1c/0x140 [ 4764.556730][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4764.556730][ T73] addrconf_add_dev+0xe2/0x170 [ 4764.556730][ T73] inet6_addr_add+0x12f/0xa40 [ 4764.556730][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.556730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.556730][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.556730][ T73] netlink_unicast+0x449/0x710 [ 4764.556730][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.556730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.556730][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.556730][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.556730][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.556730][ T73] [ 4764.558718][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.558718][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4764.558718][ T73] ipv6_find_idev+0x102/0x170 [ 4764.558718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.558718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.558718][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.558718][ T73] netlink_unicast+0x449/0x710 [ 4764.558718][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.558718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.558718][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.558718][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.558718][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.558718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.558718][ T73] [ 4764.560268][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4764.560268][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4764.560268][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4764.560268][ T73] ipv6_find_idev+0x102/0x170 [ 4764.560268][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.560268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.560268][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.560268][ T73] netlink_unicast+0x449/0x710 [ 4764.560268][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.560268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.560268][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.560268][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.560268][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.560268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.560268][ T73] [ 4764.562075][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4764.562341][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.562341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4764.562341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4764.562341][ T73] fib6_nh_init+0xa22/0x1580 [ 4764.562341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.562341][ T73] ip6_route_add+0x1c/0x140 [ 4764.562341][ T73] inet6_rtm_newroute+0x104/0x110 [ 4764.562341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.562341][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.562341][ T73] netlink_unicast+0x449/0x710 [ 4764.562341][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.562341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.562341][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.562341][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.562341][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.562341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.562341][ T73] [ 4764.564451][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.564451][ T73] dst_init+0x84/0x4a0 [ 4764.564451][ T73] dst_alloc+0x97/0x150 [ 4764.564451][ T73] ip6_dst_alloc+0x23/0x90 [ 4764.564451][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4764.564451][ T73] ip6_pol_route+0x56f/0x840 [ 4764.564451][ T73] fib6_rule_lookup+0x456/0x630 [ 4764.564451][ T73] ip6_route_input+0x59c/0xa50 [ 4764.564451][ T73] ipv6_rcv+0x397/0x810 [ 4764.564451][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4764.564451][ T73] process_backlog+0x101/0x620 [ 4764.564451][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4764.564451][ T73] net_rx_action+0x495/0xbe0 [ 4764.564451][ T73] __do_softirq+0x1b5/0x7f6 [ 4764.564451][ T73] [ 4764.566287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.566287][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.566287][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.566287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.566287][ T73] ip6_route_add+0x1c/0x140 [ 4764.566287][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4764.566287][ T73] inet6_addr_add+0x4f8/0xa40 [ 4764.566287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.566287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.566287][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.566287][ T73] netlink_unicast+0x449/0x710 [ 4764.566287][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.566287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.566287][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.566287][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.566287][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.566287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.566287][ T73] [ 4764.568494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.568494][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.568494][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.568494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.568494][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4764.568494][ T73] ipv6_add_addr+0x411/0x2000 [ 4764.568494][ T73] inet6_addr_add+0x30e/0xa40 [ 4764.568494][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.568494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.568494][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.568494][ T73] netlink_unicast+0x449/0x710 [ 4764.568494][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.568494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.568494][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.568494][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.568494][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.568494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.568494][ T73] [ 4764.570773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.570773][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.570773][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.570773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.570773][ T73] ip6_route_add+0x1c/0x140 [ 4764.570773][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4764.570773][ T73] addrconf_add_dev+0xe2/0x170 [ 4764.570773][ T73] inet6_addr_add+0x12f/0xa40 [ 4764.570773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.570773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.570773][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.570773][ T73] netlink_unicast+0x449/0x710 [ 4764.570773][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.570773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.570773][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.570773][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.570773][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.570773][ T73] [ 4764.573056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.573056][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4764.573056][ T73] ipv6_find_idev+0x102/0x170 [ 4764.573056][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.573056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.573056][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.573056][ T73] netlink_unicast+0x449/0x710 [ 4764.573056][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.573056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.573056][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.573056][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.573056][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.573056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.573056][ T73] [ 4764.574793][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4764.574793][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4764.574793][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4764.574793][ T73] ipv6_find_idev+0x102/0x170 [ 4764.574793][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.574793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.574793][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.574793][ T73] netlink_unicast+0x449/0x710 [ 4764.574793][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.574793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.574793][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.574793][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.574793][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.574793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.574793][ T73] [ 4764.576662][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4764.577002][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4764.577002][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.577002][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.577002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.577002][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4764.577002][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4764.577002][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4764.577002][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4764.577002][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4764.577002][ T73] addrconf_dad_begin+0x310/0x670 [ 4764.577002][ T73] addrconf_dad_work+0x10b/0xab0 [ 4764.577002][ T73] process_one_work+0x84d/0x18a0 [ 4764.577002][ T73] worker_thread+0x587/0xd30 [ 4764.577002][ T73] kthread+0x28a/0x350 [ 4764.577002][ T73] ret_from_fork+0x31/0x70 [ 4764.577002][ T73] ret_from_fork_asm+0x1a/0x30 [ 4764.577002][ T73] [ 4764.579060][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4764.579060][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.579060][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.579060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.579060][ T73] ip6_route_add+0x1c/0x140 [ 4764.579060][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4764.579060][ T73] inet6_addr_add+0x4f8/0xa40 [ 4764.579060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.579060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.579060][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.579060][ T73] netlink_unicast+0x449/0x710 [ 4764.579060][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.579060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.579060][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.579060][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.579060][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.579060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.579060][ T73] [ 4764.581353][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4764.581353][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.581353][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.581353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.581353][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4764.581353][ T73] ipv6_add_addr+0x411/0x2000 [ 4764.581353][ T73] inet6_addr_add+0x30e/0xa40 [ 4764.581353][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.581353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.581353][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.581353][ T73] netlink_unicast+0x449/0x710 [ 4764.581353][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.581353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.581353][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.581353][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.581353][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.581353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.581353][ T73] [ 4764.583614][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4764.583614][ T73] netdev_get_by_index+0x5e/0x80 [ 4764.583614][ T73] fib6_nh_init+0x3d8/0x1580 [ 4764.583614][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4764.583614][ T73] ip6_route_add+0x1c/0x140 [ 4764.583614][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4764.583614][ T73] addrconf_add_dev+0xe2/0x170 [ 4764.583614][ T73] inet6_addr_add+0x12f/0xa40 [ 4764.583614][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.583614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.583614][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.583614][ T73] netlink_unicast+0x449/0x710 [ 4764.583614][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.583614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.583614][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.583614][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.583614][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.583614][ T73] [ 4764.585848][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4764.585848][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4764.585848][ T73] ipv6_find_idev+0x102/0x170 [ 4764.585848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.585848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.585848][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.585848][ T73] netlink_unicast+0x449/0x710 [ 4764.585848][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.585848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.585848][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.585848][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.585848][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.585848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.585848][ T73] [ 4764.587564][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4764.587564][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4764.587564][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4764.587564][ T73] ipv6_find_idev+0x102/0x170 [ 4764.587564][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.587564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.587564][ T73] netlink_rcv_skb+0x130/0x360 [ 4764.587564][ T73] netlink_unicast+0x449/0x710 [ 4764.587564][ T73] netlink_sendmsg+0x723/0xbe0 [ 4764.587564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4764.587564][ T73] ___sys_sendmsg+0xee/0x170 [ 4764.587564][ T73] __sys_sendmsg+0xcd/0x170 [ 4764.587564][ T73] do_syscall_64+0xc6/0x1e0 [ 4764.587564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.587564][ T73] [ 4774.678900][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4774.679302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.679302][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4774.679302][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4774.679302][ T73] fib6_nh_init+0xa22/0x1580 [ 4774.679302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.679302][ T73] ip6_route_add+0x1c/0x140 [ 4774.679302][ T73] inet6_rtm_newroute+0x104/0x110 [ 4774.679302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.679302][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.679302][ T73] netlink_unicast+0x449/0x710 [ 4774.679302][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.679302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.679302][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.679302][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.679302][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.679302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.679302][ T73] [ 4774.681212][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.681212][ T73] dst_init+0x84/0x4a0 [ 4774.681212][ T73] dst_alloc+0x97/0x150 [ 4774.681212][ T73] ip6_dst_alloc+0x23/0x90 [ 4774.681212][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4774.681212][ T73] ip6_pol_route+0x56f/0x840 [ 4774.681212][ T73] fib6_rule_lookup+0x456/0x630 [ 4774.681212][ T73] ip6_route_input+0x59c/0xa50 [ 4774.681212][ T73] ipv6_rcv+0x397/0x810 [ 4774.681212][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4774.681212][ T73] process_backlog+0x101/0x620 [ 4774.681212][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4774.681212][ T73] net_rx_action+0x495/0xbe0 [ 4774.681212][ T73] __do_softirq+0x1b5/0x7f6 [ 4774.681212][ T73] [ 4774.682875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.682875][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.682875][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.682875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.682875][ T73] ip6_route_add+0x1c/0x140 [ 4774.682875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4774.682875][ T73] inet6_addr_add+0x4f8/0xa40 [ 4774.682875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.682875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.682875][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.682875][ T73] netlink_unicast+0x449/0x710 [ 4774.682875][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.682875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.682875][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.682875][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.682875][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.682875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.682875][ T73] [ 4774.684872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.684872][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.684872][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.684872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.684872][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4774.684872][ T73] ipv6_add_addr+0x411/0x2000 [ 4774.684872][ T73] inet6_addr_add+0x30e/0xa40 [ 4774.684872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.684872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.684872][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.684872][ T73] netlink_unicast+0x449/0x710 [ 4774.684872][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.684872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.684872][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.684872][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.684872][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.684872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.684872][ T73] [ 4774.686872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.686872][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.686872][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.686872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.686872][ T73] ip6_route_add+0x1c/0x140 [ 4774.686872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4774.686872][ T73] addrconf_add_dev+0xe2/0x170 [ 4774.686872][ T73] inet6_addr_add+0x12f/0xa40 [ 4774.686872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.686872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.686872][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.686872][ T73] netlink_unicast+0x449/0x710 [ 4774.686872][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.686872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.686872][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.686872][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.686872][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.686872][ T73] [ 4774.688857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.688857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4774.688857][ T73] ipv6_find_idev+0x102/0x170 [ 4774.688857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.688857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.688857][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.688857][ T73] netlink_unicast+0x449/0x710 [ 4774.688857][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.688857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.688857][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.688857][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.688857][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.688857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.688857][ T73] [ 4774.690396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4774.690396][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4774.690396][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4774.690396][ T73] ipv6_find_idev+0x102/0x170 [ 4774.690396][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.690396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.690396][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.690396][ T73] netlink_unicast+0x449/0x710 [ 4774.690396][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.690396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.690396][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.690396][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.690396][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.690396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.690396][ T73] [ 4774.692109][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4774.692377][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.692377][ T73] dst_init+0x84/0x4a0 [ 4774.692377][ T73] dst_alloc+0x97/0x150 [ 4774.692377][ T73] ip6_dst_alloc+0x23/0x90 [ 4774.692377][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4774.692377][ T73] ip6_pol_route+0x56f/0x840 [ 4774.692377][ T73] fib6_rule_lookup+0x456/0x630 [ 4774.692377][ T73] ip6_route_input+0x59c/0xa50 [ 4774.692377][ T73] ipv6_rcv+0x397/0x810 [ 4774.692377][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4774.692377][ T73] process_backlog+0x101/0x620 [ 4774.692377][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4774.692377][ T73] net_rx_action+0x495/0xbe0 [ 4774.692377][ T73] __do_softirq+0x1b5/0x7f6 [ 4774.692377][ T73] [ 4774.694028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.694028][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.694028][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.694028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.694028][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4774.694028][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4774.694028][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4774.694028][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4774.694028][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4774.694028][ T73] addrconf_dad_begin+0x310/0x670 [ 4774.694028][ T73] addrconf_dad_work+0x10b/0xab0 [ 4774.694028][ T73] process_one_work+0x84d/0x18a0 [ 4774.694028][ T73] worker_thread+0x587/0xd30 [ 4774.694028][ T73] kthread+0x28a/0x350 [ 4774.694028][ T73] ret_from_fork+0x31/0x70 [ 4774.694028][ T73] ret_from_fork_asm+0x1a/0x30 [ 4774.694028][ T73] [ 4774.695945][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.695945][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.695945][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.695945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.695945][ T73] ip6_route_add+0x1c/0x140 [ 4774.695945][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4774.695945][ T73] inet6_addr_add+0x4f8/0xa40 [ 4774.695945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.695945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.695945][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.695945][ T73] netlink_unicast+0x449/0x710 [ 4774.695945][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.695945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.695945][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.695945][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.695945][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.695945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.695945][ T73] [ 4774.697944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.697944][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.697944][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.697944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.697944][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4774.697944][ T73] ipv6_add_addr+0x411/0x2000 [ 4774.697944][ T73] inet6_addr_add+0x30e/0xa40 [ 4774.697944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.697944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.697944][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.697944][ T73] netlink_unicast+0x449/0x710 [ 4774.697944][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.697944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.697944][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.697944][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.697944][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.697944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.697944][ T73] [ 4774.699953][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.699953][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.699953][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.699953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.699953][ T73] ip6_route_add+0x1c/0x140 [ 4774.699953][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4774.699953][ T73] addrconf_add_dev+0xe2/0x170 [ 4774.699953][ T73] inet6_addr_add+0x12f/0xa40 [ 4774.699953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.699953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.699953][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.699953][ T73] netlink_unicast+0x449/0x710 [ 4774.699953][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.699953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.699953][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.699953][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.699953][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.699953][ T73] [ 4774.701921][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.701921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4774.701921][ T73] ipv6_find_idev+0x102/0x170 [ 4774.701921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.701921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.701921][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.701921][ T73] netlink_unicast+0x449/0x710 [ 4774.701921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.701921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.701921][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.701921][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.701921][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.701921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.701921][ T73] [ 4774.703454][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4774.703454][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4774.703454][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4774.703454][ T73] ipv6_find_idev+0x102/0x170 [ 4774.703454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.703454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.703454][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.703454][ T73] netlink_unicast+0x449/0x710 [ 4774.703454][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.703454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.703454][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.703454][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.703454][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.703454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.703454][ T73] [ 4774.705242][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4774.705511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.705511][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4774.705511][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4774.705511][ T73] fib6_nh_init+0xa22/0x1580 [ 4774.705511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.705511][ T73] ip6_route_add+0x1c/0x140 [ 4774.705511][ T73] inet6_rtm_newroute+0x104/0x110 [ 4774.705511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.705511][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.705511][ T73] netlink_unicast+0x449/0x710 [ 4774.705511][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.705511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.705511][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.705511][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.705511][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.705511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.705511][ T73] [ 4774.707697][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.707697][ T73] dst_init+0x84/0x4a0 [ 4774.707697][ T73] dst_alloc+0x97/0x150 [ 4774.707697][ T73] ip6_dst_alloc+0x23/0x90 [ 4774.707697][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4774.707697][ T73] ip6_pol_route+0x56f/0x840 [ 4774.707697][ T73] fib6_rule_lookup+0x456/0x630 [ 4774.707697][ T73] ip6_route_input+0x59c/0xa50 [ 4774.707697][ T73] ipv6_rcv+0x397/0x810 [ 4774.707697][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4774.707697][ T73] process_backlog+0x101/0x620 [ 4774.707697][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4774.707697][ T73] net_rx_action+0x495/0xbe0 [ 4774.707697][ T73] __do_softirq+0x1b5/0x7f6 [ 4774.707697][ T73] [ 4774.709516][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.709516][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.709516][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.709516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.709516][ T73] ip6_route_add+0x1c/0x140 [ 4774.709516][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4774.709516][ T73] inet6_addr_add+0x4f8/0xa40 [ 4774.709516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.709516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.709516][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.709516][ T73] netlink_unicast+0x449/0x710 [ 4774.709516][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.709516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.709516][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.709516][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.709516][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.709516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.709516][ T73] [ 4774.711688][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.711688][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.711688][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.711688][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.711688][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4774.711688][ T73] ipv6_add_addr+0x411/0x2000 [ 4774.711688][ T73] inet6_addr_add+0x30e/0xa40 [ 4774.711688][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.711688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.711688][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.711688][ T73] netlink_unicast+0x449/0x710 [ 4774.711688][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.711688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.711688][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.711688][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.711688][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.711688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.711688][ T73] [ 4774.713917][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.713917][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.713917][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.713917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.713917][ T73] ip6_route_add+0x1c/0x140 [ 4774.713917][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4774.713917][ T73] addrconf_add_dev+0xe2/0x170 [ 4774.713917][ T73] inet6_addr_add+0x12f/0xa40 [ 4774.713917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.713917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.713917][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.713917][ T73] netlink_unicast+0x449/0x710 [ 4774.713917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.713917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.713917][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.713917][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.713917][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.713917][ T73] [ 4774.716170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.716170][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4774.716170][ T73] ipv6_find_idev+0x102/0x170 [ 4774.716170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.716170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.716170][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.716170][ T73] netlink_unicast+0x449/0x710 [ 4774.716170][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.716170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.716170][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.716170][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.716170][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.716170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.716170][ T73] [ 4774.717883][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4774.717883][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4774.717883][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4774.717883][ T73] ipv6_find_idev+0x102/0x170 [ 4774.717883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.717883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.717883][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.717883][ T73] netlink_unicast+0x449/0x710 [ 4774.717883][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.717883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.717883][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.717883][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.717883][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.717883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.717883][ T73] [ 4774.719878][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4774.720219][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4774.720219][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.720219][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.720219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.720219][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4774.720219][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4774.720219][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4774.720219][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4774.720219][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4774.720219][ T73] addrconf_dad_begin+0x310/0x670 [ 4774.720219][ T73] addrconf_dad_work+0x10b/0xab0 [ 4774.720219][ T73] process_one_work+0x84d/0x18a0 [ 4774.720219][ T73] worker_thread+0x587/0xd30 [ 4774.720219][ T73] kthread+0x28a/0x350 [ 4774.720219][ T73] ret_from_fork+0x31/0x70 [ 4774.720219][ T73] ret_from_fork_asm+0x1a/0x30 [ 4774.720219][ T73] [ 4774.722246][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4774.722246][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.722246][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.722246][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.722246][ T73] ip6_route_add+0x1c/0x140 [ 4774.722246][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4774.722246][ T73] inet6_addr_add+0x4f8/0xa40 [ 4774.722246][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.722246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.722246][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.722246][ T73] netlink_unicast+0x449/0x710 [ 4774.722246][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.722246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.722246][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.722246][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.722246][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.722246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.722246][ T73] [ 4774.724506][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4774.724506][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.724506][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.724506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.724506][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4774.724506][ T73] ipv6_add_addr+0x411/0x2000 [ 4774.724506][ T73] inet6_addr_add+0x30e/0xa40 [ 4774.724506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.724506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.724506][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.724506][ T73] netlink_unicast+0x449/0x710 [ 4774.724506][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.724506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.724506][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.724506][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.724506][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.724506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.724506][ T73] [ 4774.726829][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4774.726829][ T73] netdev_get_by_index+0x5e/0x80 [ 4774.726829][ T73] fib6_nh_init+0x3d8/0x1580 [ 4774.726829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4774.726829][ T73] ip6_route_add+0x1c/0x140 [ 4774.726829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4774.726829][ T73] addrconf_add_dev+0xe2/0x170 [ 4774.726829][ T73] inet6_addr_add+0x12f/0xa40 [ 4774.726829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.726829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.726829][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.726829][ T73] netlink_unicast+0x449/0x710 [ 4774.726829][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.726829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.726829][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.726829][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.726829][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.726829][ T73] [ 4774.729038][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4774.729038][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4774.729038][ T73] ipv6_find_idev+0x102/0x170 [ 4774.729038][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.729038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.729038][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.729038][ T73] netlink_unicast+0x449/0x710 [ 4774.729038][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.729038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.729038][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.729038][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.729038][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.729038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.729038][ T73] [ 4774.730904][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4774.730904][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4774.730904][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4774.730904][ T73] ipv6_find_idev+0x102/0x170 [ 4774.730904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.730904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.730904][ T73] netlink_rcv_skb+0x130/0x360 [ 4774.730904][ T73] netlink_unicast+0x449/0x710 [ 4774.730904][ T73] netlink_sendmsg+0x723/0xbe0 [ 4774.730904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4774.730904][ T73] ___sys_sendmsg+0xee/0x170 [ 4774.730904][ T73] __sys_sendmsg+0xcd/0x170 [ 4774.730904][ T73] do_syscall_64+0xc6/0x1e0 [ 4774.730904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.730904][ T73] [ 4784.974822][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4784.975199][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.975199][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4784.975199][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4784.975199][ T73] fib6_nh_init+0xa22/0x1580 [ 4784.975199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.975199][ T73] ip6_route_add+0x1c/0x140 [ 4784.975199][ T73] inet6_rtm_newroute+0x104/0x110 [ 4784.975199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.975199][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.975199][ T73] netlink_unicast+0x449/0x710 [ 4784.975199][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.975199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.975199][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.975199][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.975199][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.975199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.975199][ T73] [ 4784.977120][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.977120][ T73] dst_init+0x84/0x4a0 [ 4784.977120][ T73] dst_alloc+0x97/0x150 [ 4784.977120][ T73] ip6_dst_alloc+0x23/0x90 [ 4784.977120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4784.977120][ T73] ip6_pol_route+0x56f/0x840 [ 4784.977120][ T73] fib6_rule_lookup+0x456/0x630 [ 4784.977120][ T73] ip6_route_input+0x59c/0xa50 [ 4784.977120][ T73] ipv6_rcv+0x397/0x810 [ 4784.977120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4784.977120][ T73] process_backlog+0x101/0x620 [ 4784.977120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4784.977120][ T73] net_rx_action+0x495/0xbe0 [ 4784.977120][ T73] __do_softirq+0x1b5/0x7f6 [ 4784.977120][ T73] [ 4784.978767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.978767][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.978767][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.978767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.978767][ T73] ip6_route_add+0x1c/0x140 [ 4784.978767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4784.978767][ T73] inet6_addr_add+0x4f8/0xa40 [ 4784.978767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.978767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.978767][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.978767][ T73] netlink_unicast+0x449/0x710 [ 4784.978767][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.978767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.978767][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.978767][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.978767][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.978767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.978767][ T73] [ 4784.980845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.980845][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.980845][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.980845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.980845][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4784.980845][ T73] ipv6_add_addr+0x411/0x2000 [ 4784.980845][ T73] inet6_addr_add+0x30e/0xa40 [ 4784.980845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.980845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.980845][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.980845][ T73] netlink_unicast+0x449/0x710 [ 4784.980845][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.980845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.980845][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.980845][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.980845][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.980845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.980845][ T73] [ 4784.982912][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.982912][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.982912][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.982912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.982912][ T73] ip6_route_add+0x1c/0x140 [ 4784.982912][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4784.982912][ T73] addrconf_add_dev+0xe2/0x170 [ 4784.982912][ T73] inet6_addr_add+0x12f/0xa40 [ 4784.982912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.982912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.982912][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.982912][ T73] netlink_unicast+0x449/0x710 [ 4784.982912][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.982912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.982912][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.982912][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.982912][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.982912][ T73] [ 4784.985019][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.985019][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4784.985019][ T73] ipv6_find_idev+0x102/0x170 [ 4784.985019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.985019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.985019][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.985019][ T73] netlink_unicast+0x449/0x710 [ 4784.985019][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.985019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.985019][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.985019][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.985019][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.985019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.985019][ T73] [ 4784.986677][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4784.986677][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4784.986677][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4784.986677][ T73] ipv6_find_idev+0x102/0x170 [ 4784.986677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.986677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.986677][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.986677][ T73] netlink_unicast+0x449/0x710 [ 4784.986677][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.986677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.986677][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.986677][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.986677][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.986677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.986677][ T73] [ 4784.988481][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4784.988784][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4784.988784][ T73] dst_init+0x84/0x4a0 [ 4784.988784][ T73] dst_alloc+0x97/0x150 [ 4784.988784][ T73] ip6_dst_alloc+0x23/0x90 [ 4784.988784][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4784.988784][ T73] ip6_pol_route+0x56f/0x840 [ 4784.988784][ T73] fib6_rule_lookup+0x456/0x630 [ 4784.988784][ T73] ip6_route_input+0x59c/0xa50 [ 4784.988784][ T73] ipv6_rcv+0x397/0x810 [ 4784.988784][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4784.988784][ T73] process_backlog+0x101/0x620 [ 4784.988784][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4784.988784][ T73] net_rx_action+0x495/0xbe0 [ 4784.988784][ T73] __do_softirq+0x1b5/0x7f6 [ 4784.988784][ T73] [ 4784.990539][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4784.990539][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.990539][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.990539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.990539][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4784.990539][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4784.990539][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4784.990539][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4784.990539][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4784.990539][ T73] addrconf_dad_begin+0x310/0x670 [ 4784.990539][ T73] addrconf_dad_work+0x10b/0xab0 [ 4784.990539][ T73] process_one_work+0x84d/0x18a0 [ 4784.990539][ T73] worker_thread+0x587/0xd30 [ 4784.990539][ T73] kthread+0x28a/0x350 [ 4784.990539][ T73] ret_from_fork+0x31/0x70 [ 4784.990539][ T73] ret_from_fork_asm+0x1a/0x30 [ 4784.990539][ T73] [ 4784.992569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4784.992569][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.992569][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.992569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.992569][ T73] ip6_route_add+0x1c/0x140 [ 4784.992569][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4784.992569][ T73] inet6_addr_add+0x4f8/0xa40 [ 4784.992569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.992569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.992569][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.992569][ T73] netlink_unicast+0x449/0x710 [ 4784.992569][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.992569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.992569][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.992569][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.992569][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.992569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.992569][ T73] [ 4784.994724][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4784.994724][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.994724][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.994724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.994724][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4784.994724][ T73] ipv6_add_addr+0x411/0x2000 [ 4784.994724][ T73] inet6_addr_add+0x30e/0xa40 [ 4784.994724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.994724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.994724][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.994724][ T73] netlink_unicast+0x449/0x710 [ 4784.994724][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.994724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.994724][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.994724][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.994724][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.994724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.994724][ T73] [ 4784.996801][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4784.996801][ T73] netdev_get_by_index+0x5e/0x80 [ 4784.996801][ T73] fib6_nh_init+0x3d8/0x1580 [ 4784.996801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4784.996801][ T73] ip6_route_add+0x1c/0x140 [ 4784.996801][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4784.996801][ T73] addrconf_add_dev+0xe2/0x170 [ 4784.996801][ T73] inet6_addr_add+0x12f/0xa40 [ 4784.996801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.996801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.996801][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.996801][ T73] netlink_unicast+0x449/0x710 [ 4784.996801][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.996801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.996801][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.996801][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.996801][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.996801][ T73] [ 4784.998761][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4784.998761][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4784.998761][ T73] ipv6_find_idev+0x102/0x170 [ 4784.998761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.998761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.998761][ T73] netlink_rcv_skb+0x130/0x360 [ 4784.998761][ T73] netlink_unicast+0x449/0x710 [ 4784.998761][ T73] netlink_sendmsg+0x723/0xbe0 [ 4784.998761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4784.998761][ T73] ___sys_sendmsg+0xee/0x170 [ 4784.998761][ T73] __sys_sendmsg+0xcd/0x170 [ 4784.998761][ T73] do_syscall_64+0xc6/0x1e0 [ 4784.998761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.998761][ T73] [ 4785.000288][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4785.000288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4785.000288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4785.000288][ T73] ipv6_find_idev+0x102/0x170 [ 4785.000288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4785.000288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.000288][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.000288][ T73] netlink_unicast+0x449/0x710 [ 4785.000288][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.000288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.000288][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.000288][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.000288][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.000288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.000288][ T73] [ 4785.002058][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4785.002330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.002330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4785.002330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4785.002330][ T73] fib6_nh_init+0xa22/0x1580 [ 4785.002330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.002330][ T73] ip6_route_add+0x1c/0x140 [ 4785.002330][ T73] inet6_rtm_newroute+0x104/0x110 [ 4785.002330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.002330][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.002330][ T73] netlink_unicast+0x449/0x710 [ 4785.002330][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.002330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.002330][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.002330][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.002330][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.002330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.002330][ T73] [ 4785.004555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.004555][ T73] dst_init+0x84/0x4a0 [ 4785.004555][ T73] dst_alloc+0x97/0x150 [ 4785.004555][ T73] ip6_dst_alloc+0x23/0x90 [ 4785.004555][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4785.004555][ T73] ip6_pol_route+0x56f/0x840 [ 4785.004555][ T73] fib6_rule_lookup+0x456/0x630 [ 4785.004555][ T73] ip6_route_input+0x59c/0xa50 [ 4785.004555][ T73] ipv6_rcv+0x397/0x810 [ 4785.004555][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4785.004555][ T73] process_backlog+0x101/0x620 [ 4785.004555][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4785.004555][ T73] net_rx_action+0x495/0xbe0 [ 4785.004555][ T73] __do_softirq+0x1b5/0x7f6 [ 4785.004555][ T73] [ 4785.006350][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.006350][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.006350][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.006350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.006350][ T73] ip6_route_add+0x1c/0x140 [ 4785.006350][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4785.006350][ T73] inet6_addr_add+0x4f8/0xa40 [ 4785.006350][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4785.006350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.006350][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.006350][ T73] netlink_unicast+0x449/0x710 [ 4785.006350][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.006350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.006350][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.006350][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.006350][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.006350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.006350][ T73] [ 4785.008653][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.008653][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.008653][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.008653][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.008653][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4785.008653][ T73] ipv6_add_addr+0x411/0x2000 [ 4785.008653][ T73] inet6_addr_add+0x30e/0xa40 [ 4785.008653][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4785.008653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.008653][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.008653][ T73] netlink_unicast+0x449/0x710 [ 4785.008653][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.008653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.008653][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.008653][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.008653][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.008653][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.008653][ T73] [ 4785.010902][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.010902][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.010902][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.010902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.010902][ T73] ip6_route_add+0x1c/0x140 [ 4785.010902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4785.010902][ T73] addrconf_add_dev+0xe2/0x170 [ 4785.010902][ T73] inet6_addr_add+0x12f/0xa40 [ 4785.010902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4785.010902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.010902][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.010902][ T73] netlink_unicast+0x449/0x710 [ 4785.010902][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.010902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.010902][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.010902][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.010902][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.010902][ T73] [ 4785.013188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.013188][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4785.013188][ T73] ipv6_find_idev+0x102/0x170 [ 4785.013188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4785.013188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.013188][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.013188][ T73] netlink_unicast+0x449/0x710 [ 4785.013188][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.013188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.013188][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.013188][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.013188][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.013188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.013188][ T73] [ 4785.014826][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4785.014826][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4785.014826][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4785.014826][ T73] ipv6_find_idev+0x102/0x170 [ 4785.014826][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4785.014826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.014826][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.014826][ T73] netlink_unicast+0x449/0x710 [ 4785.014826][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.014826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.014826][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.014826][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.014826][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.014826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.014826][ T73] [ 4785.016660][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4785.017370][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4785.017370][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.017370][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.017370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.017370][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4785.017370][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4785.017370][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4785.017370][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4785.017370][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4785.017370][ T73] addrconf_dad_begin+0x310/0x670 [ 4785.017370][ T73] addrconf_dad_work+0x10b/0xab0 [ 4785.017370][ T73] process_one_work+0x84d/0x18a0 [ 4785.017370][ T73] worker_thread+0x587/0xd30 [ 4785.017370][ T73] kthread+0x28a/0x350 [ 4785.017370][ T73] ret_from_fork+0x31/0x70 [ 4785.017370][ T73] ret_from_fork_asm+0x1a/0x30 [ 4785.017370][ T73] [ 4785.019316][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4785.019316][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.019316][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.019316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.019316][ T73] ip6_route_add+0x1c/0x140 [ 4785.019316][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4785.019316][ T73] inet6_addr_add+0x4f8/0xa40 [ 4785.019316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4785.019316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.019316][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.019316][ T73] netlink_unicast+0x449/0x710 [ 4785.019316][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.019316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.019316][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.019316][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.019316][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.019316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.019316][ T73] [ 4785.021394][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4785.021394][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.021394][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.021394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.021394][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4785.021394][ T73] ipv6_add_addr+0x411/0x2000 [ 4785.021394][ T73] inet6_addr_add+0x30e/0xa40 [ 4785.021394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4785.021394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.021394][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.021394][ T73] netlink_unicast+0x449/0x710 [ 4785.021394][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.021394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.021394][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.021394][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.021394][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.021394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.021394][ T73] [ 4785.023511][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4785.023511][ T73] netdev_get_by_index+0x5e/0x80 [ 4785.023511][ T73] fib6_nh_init+0x3d8/0x1580 [ 4785.023511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4785.023511][ T73] ip6_route_add+0x1c/0x140 [ 4785.023511][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4785.023511][ T73] addrconf_add_dev+0xe2/0x170 [ 4785.023511][ T73] inet6_addr_add+0x12f/0xa40 [ 4785.023511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4785.023511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.023511][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.023511][ T73] netlink_unicast+0x449/0x710 [ 4785.023511][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.023511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.023511][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.023511][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.023511][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.023511][ T73] [ 4785.025649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4785.025649][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4785.025649][ T73] ipv6_find_idev+0x102/0x170 [ 4785.025649][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4785.025649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.025649][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.025649][ T73] netlink_unicast+0x449/0x710 [ 4785.025649][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.025649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.025649][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.025649][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.025649][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.025649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.025649][ T73] [ 4785.027257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4785.027257][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4785.027257][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4785.027257][ T73] ipv6_find_idev+0x102/0x170 [ 4785.027257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4785.027257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4785.027257][ T73] netlink_rcv_skb+0x130/0x360 [ 4785.027257][ T73] netlink_unicast+0x449/0x710 [ 4785.027257][ T73] netlink_sendmsg+0x723/0xbe0 [ 4785.027257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4785.027257][ T73] ___sys_sendmsg+0xee/0x170 [ 4785.027257][ T73] __sys_sendmsg+0xcd/0x170 [ 4785.027257][ T73] do_syscall_64+0xc6/0x1e0 [ 4785.027257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4785.027257][ T73] [ 4795.270852][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4795.271699][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.271699][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4795.271699][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4795.271699][ T73] fib6_nh_init+0xa22/0x1580 [ 4795.271699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.271699][ T73] ip6_route_add+0x1c/0x140 [ 4795.271699][ T73] inet6_rtm_newroute+0x104/0x110 [ 4795.271699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.271699][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.271699][ T73] netlink_unicast+0x449/0x710 [ 4795.271699][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.271699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.271699][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.271699][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.271699][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.271699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.271699][ T73] [ 4795.273633][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.273633][ T73] dst_init+0x84/0x4a0 [ 4795.273633][ T73] dst_alloc+0x97/0x150 [ 4795.273633][ T73] ip6_dst_alloc+0x23/0x90 [ 4795.273633][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4795.273633][ T73] ip6_pol_route+0x56f/0x840 [ 4795.273633][ T73] fib6_rule_lookup+0x456/0x630 [ 4795.273633][ T73] ip6_route_input+0x59c/0xa50 [ 4795.273633][ T73] ipv6_rcv+0x397/0x810 [ 4795.273633][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4795.273633][ T73] process_backlog+0x101/0x620 [ 4795.273633][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4795.273633][ T73] net_rx_action+0x495/0xbe0 [ 4795.273633][ T73] __do_softirq+0x1b5/0x7f6 [ 4795.273633][ T73] [ 4795.275356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.275356][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.275356][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.275356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.275356][ T73] ip6_route_add+0x1c/0x140 [ 4795.275356][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4795.275356][ T73] inet6_addr_add+0x4f8/0xa40 [ 4795.275356][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.275356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.275356][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.275356][ T73] netlink_unicast+0x449/0x710 [ 4795.275356][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.275356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.275356][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.275356][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.275356][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.275356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.275356][ T73] [ 4795.277460][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.277460][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.277460][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.277460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.277460][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4795.277460][ T73] ipv6_add_addr+0x411/0x2000 [ 4795.277460][ T73] inet6_addr_add+0x30e/0xa40 [ 4795.277460][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.277460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.277460][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.277460][ T73] netlink_unicast+0x449/0x710 [ 4795.277460][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.277460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.277460][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.277460][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.277460][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.277460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.277460][ T73] [ 4795.279645][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.279645][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.279645][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.279645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.279645][ T73] ip6_route_add+0x1c/0x140 [ 4795.279645][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4795.279645][ T73] addrconf_add_dev+0xe2/0x170 [ 4795.279645][ T73] inet6_addr_add+0x12f/0xa40 [ 4795.279645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.279645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.279645][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.279645][ T73] netlink_unicast+0x449/0x710 [ 4795.279645][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.279645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.279645][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.279645][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.279645][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.279645][ T73] [ 4795.281783][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.281783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4795.281783][ T73] ipv6_find_idev+0x102/0x170 [ 4795.281783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.281783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.281783][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.281783][ T73] netlink_unicast+0x449/0x710 [ 4795.281783][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.281783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.281783][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.281783][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.281783][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.281783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.281783][ T73] [ 4795.283394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4795.283394][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4795.283394][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4795.283394][ T73] ipv6_find_idev+0x102/0x170 [ 4795.283394][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.283394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.283394][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.283394][ T73] netlink_unicast+0x449/0x710 [ 4795.283394][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.283394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.283394][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.283394][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.283394][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.283394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.283394][ T73] [ 4795.285162][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4795.285447][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.285447][ T73] dst_init+0x84/0x4a0 [ 4795.285447][ T73] dst_alloc+0x97/0x150 [ 4795.285447][ T73] ip6_dst_alloc+0x23/0x90 [ 4795.285447][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4795.285447][ T73] ip6_pol_route+0x56f/0x840 [ 4795.285447][ T73] fib6_rule_lookup+0x456/0x630 [ 4795.285447][ T73] ip6_route_input+0x59c/0xa50 [ 4795.285447][ T73] ipv6_rcv+0x397/0x810 [ 4795.285447][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4795.285447][ T73] process_backlog+0x101/0x620 [ 4795.285447][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4795.285447][ T73] net_rx_action+0x495/0xbe0 [ 4795.285447][ T73] __do_softirq+0x1b5/0x7f6 [ 4795.285447][ T73] [ 4795.287155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.287155][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.287155][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.287155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.287155][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4795.287155][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4795.287155][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4795.287155][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4795.287155][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4795.287155][ T73] addrconf_dad_begin+0x310/0x670 [ 4795.287155][ T73] addrconf_dad_work+0x10b/0xab0 [ 4795.287155][ T73] process_one_work+0x84d/0x18a0 [ 4795.287155][ T73] worker_thread+0x587/0xd30 [ 4795.287155][ T73] kthread+0x28a/0x350 [ 4795.287155][ T73] ret_from_fork+0x31/0x70 [ 4795.287155][ T73] ret_from_fork_asm+0x1a/0x30 [ 4795.287155][ T73] [ 4795.289173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.289173][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.289173][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.289173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.289173][ T73] ip6_route_add+0x1c/0x140 [ 4795.289173][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4795.289173][ T73] inet6_addr_add+0x4f8/0xa40 [ 4795.289173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.289173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.289173][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.289173][ T73] netlink_unicast+0x449/0x710 [ 4795.289173][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.289173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.289173][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.289173][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.289173][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.289173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.289173][ T73] [ 4795.291259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.291259][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.291259][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.291259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.291259][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4795.291259][ T73] ipv6_add_addr+0x411/0x2000 [ 4795.291259][ T73] inet6_addr_add+0x30e/0xa40 [ 4795.291259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.291259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.291259][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.291259][ T73] netlink_unicast+0x449/0x710 [ 4795.291259][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.291259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.291259][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.291259][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.291259][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.291259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.291259][ T73] [ 4795.293363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.293363][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.293363][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.293363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.293363][ T73] ip6_route_add+0x1c/0x140 [ 4795.293363][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4795.293363][ T73] addrconf_add_dev+0xe2/0x170 [ 4795.293363][ T73] inet6_addr_add+0x12f/0xa40 [ 4795.293363][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.293363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.293363][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.293363][ T73] netlink_unicast+0x449/0x710 [ 4795.293363][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.293363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.293363][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.293363][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.293363][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.293363][ T73] [ 4795.296367][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.296367][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4795.296367][ T73] ipv6_find_idev+0x102/0x170 [ 4795.296367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.296367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.296367][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.296367][ T73] netlink_unicast+0x449/0x710 [ 4795.296367][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.296367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.296367][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.296367][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.296367][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.296367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.296367][ T73] [ 4795.297985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4795.297985][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4795.297985][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4795.297985][ T73] ipv6_find_idev+0x102/0x170 [ 4795.297985][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.297985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.297985][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.297985][ T73] netlink_unicast+0x449/0x710 [ 4795.297985][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.297985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.297985][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.297985][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.297985][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.297985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.297985][ T73] [ 4795.299967][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4795.300280][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.300280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4795.300280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4795.300280][ T73] fib6_nh_init+0xa22/0x1580 [ 4795.300280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.300280][ T73] ip6_route_add+0x1c/0x140 [ 4795.300280][ T73] inet6_rtm_newroute+0x104/0x110 [ 4795.300280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.300280][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.300280][ T73] netlink_unicast+0x449/0x710 [ 4795.300280][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.300280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.300280][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.300280][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.300280][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.300280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.300280][ T73] [ 4795.302505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.302505][ T73] dst_init+0x84/0x4a0 [ 4795.302505][ T73] dst_alloc+0x97/0x150 [ 4795.302505][ T73] ip6_dst_alloc+0x23/0x90 [ 4795.302505][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4795.302505][ T73] ip6_pol_route+0x56f/0x840 [ 4795.302505][ T73] fib6_rule_lookup+0x456/0x630 [ 4795.302505][ T73] ip6_route_input+0x59c/0xa50 [ 4795.302505][ T73] ipv6_rcv+0x397/0x810 [ 4795.302505][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4795.302505][ T73] process_backlog+0x101/0x620 [ 4795.302505][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4795.302505][ T73] net_rx_action+0x495/0xbe0 [ 4795.302505][ T73] __do_softirq+0x1b5/0x7f6 [ 4795.302505][ T73] [ 4795.304303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.304303][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.304303][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.304303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.304303][ T73] ip6_route_add+0x1c/0x140 [ 4795.304303][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4795.304303][ T73] inet6_addr_add+0x4f8/0xa40 [ 4795.304303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.304303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.304303][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.304303][ T73] netlink_unicast+0x449/0x710 [ 4795.304303][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.304303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.304303][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.304303][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.304303][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.304303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.304303][ T73] [ 4795.306464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.306464][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.306464][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.306464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.306464][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4795.306464][ T73] ipv6_add_addr+0x411/0x2000 [ 4795.306464][ T73] inet6_addr_add+0x30e/0xa40 [ 4795.306464][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.306464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.306464][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.306464][ T73] netlink_unicast+0x449/0x710 [ 4795.306464][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.306464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.306464][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.306464][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.306464][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.306464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.306464][ T73] [ 4795.308832][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.308832][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.308832][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.308832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.308832][ T73] ip6_route_add+0x1c/0x140 [ 4795.308832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4795.308832][ T73] addrconf_add_dev+0xe2/0x170 [ 4795.308832][ T73] inet6_addr_add+0x12f/0xa40 [ 4795.308832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.308832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.308832][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.308832][ T73] netlink_unicast+0x449/0x710 [ 4795.308832][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.308832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.308832][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.308832][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.308832][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.308832][ T73] [ 4795.311130][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.311130][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4795.311130][ T73] ipv6_find_idev+0x102/0x170 [ 4795.311130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.311130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.311130][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.311130][ T73] netlink_unicast+0x449/0x710 [ 4795.311130][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.311130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.311130][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.311130][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.311130][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.311130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.311130][ T73] [ 4795.312940][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4795.312940][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4795.312940][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4795.312940][ T73] ipv6_find_idev+0x102/0x170 [ 4795.312940][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.312940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.312940][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.312940][ T73] netlink_unicast+0x449/0x710 [ 4795.312940][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.312940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.312940][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.312940][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.312940][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.312940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.312940][ T73] [ 4795.314800][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4795.315124][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4795.315124][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.315124][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.315124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.315124][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4795.315124][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4795.315124][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4795.315124][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4795.315124][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4795.315124][ T73] addrconf_dad_begin+0x310/0x670 [ 4795.315124][ T73] addrconf_dad_work+0x10b/0xab0 [ 4795.315124][ T73] process_one_work+0x84d/0x18a0 [ 4795.315124][ T73] worker_thread+0x587/0xd30 [ 4795.315124][ T73] kthread+0x28a/0x350 [ 4795.315124][ T73] ret_from_fork+0x31/0x70 [ 4795.315124][ T73] ret_from_fork_asm+0x1a/0x30 [ 4795.315124][ T73] [ 4795.317262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4795.317262][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.317262][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.317262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.317262][ T73] ip6_route_add+0x1c/0x140 [ 4795.317262][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4795.317262][ T73] inet6_addr_add+0x4f8/0xa40 [ 4795.317262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.317262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.317262][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.317262][ T73] netlink_unicast+0x449/0x710 [ 4795.317262][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.317262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.317262][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.317262][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.317262][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.317262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.317262][ T73] [ 4795.319563][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4795.319563][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.319563][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.319563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.319563][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4795.319563][ T73] ipv6_add_addr+0x411/0x2000 [ 4795.319563][ T73] inet6_addr_add+0x30e/0xa40 [ 4795.319563][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.319563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.319563][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.319563][ T73] netlink_unicast+0x449/0x710 [ 4795.319563][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.319563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.319563][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.319563][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.319563][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.319563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.319563][ T73] [ 4795.321861][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4795.321861][ T73] netdev_get_by_index+0x5e/0x80 [ 4795.321861][ T73] fib6_nh_init+0x3d8/0x1580 [ 4795.321861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4795.321861][ T73] ip6_route_add+0x1c/0x140 [ 4795.321861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4795.321861][ T73] addrconf_add_dev+0xe2/0x170 [ 4795.321861][ T73] inet6_addr_add+0x12f/0xa40 [ 4795.321861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.321861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.321861][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.321861][ T73] netlink_unicast+0x449/0x710 [ 4795.321861][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.321861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.321861][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.321861][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.321861][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.321861][ T73] [ 4795.324213][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4795.324213][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4795.324213][ T73] ipv6_find_idev+0x102/0x170 [ 4795.324213][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.324213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.324213][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.324213][ T73] netlink_unicast+0x449/0x710 [ 4795.324213][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.324213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.324213][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.324213][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.324213][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.324213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.324213][ T73] [ 4795.326007][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4795.326007][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4795.326007][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4795.326007][ T73] ipv6_find_idev+0x102/0x170 [ 4795.326007][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.326007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.326007][ T73] netlink_rcv_skb+0x130/0x360 [ 4795.326007][ T73] netlink_unicast+0x449/0x710 [ 4795.326007][ T73] netlink_sendmsg+0x723/0xbe0 [ 4795.326007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4795.326007][ T73] ___sys_sendmsg+0xee/0x170 [ 4795.326007][ T73] __sys_sendmsg+0xcd/0x170 [ 4795.326007][ T73] do_syscall_64+0xc6/0x1e0 [ 4795.326007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.326007][ T73] [ 4805.566867][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4805.567261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.567261][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4805.567261][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4805.567261][ T73] fib6_nh_init+0xa22/0x1580 [ 4805.567261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.567261][ T73] ip6_route_add+0x1c/0x140 [ 4805.567261][ T73] inet6_rtm_newroute+0x104/0x110 [ 4805.567261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.567261][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.567261][ T73] netlink_unicast+0x449/0x710 [ 4805.567261][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.567261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.567261][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.567261][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.567261][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.567261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.567261][ T73] [ 4805.569208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.569208][ T73] dst_init+0x84/0x4a0 [ 4805.569208][ T73] dst_alloc+0x97/0x150 [ 4805.569208][ T73] ip6_dst_alloc+0x23/0x90 [ 4805.569208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4805.569208][ T73] ip6_pol_route+0x56f/0x840 [ 4805.569208][ T73] fib6_rule_lookup+0x456/0x630 [ 4805.569208][ T73] ip6_route_input+0x59c/0xa50 [ 4805.569208][ T73] ipv6_rcv+0x397/0x810 [ 4805.569208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4805.569208][ T73] process_backlog+0x101/0x620 [ 4805.569208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4805.569208][ T73] net_rx_action+0x495/0xbe0 [ 4805.569208][ T73] __do_softirq+0x1b5/0x7f6 [ 4805.569208][ T73] [ 4805.570920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.570920][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.570920][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.570920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.570920][ T73] ip6_route_add+0x1c/0x140 [ 4805.570920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4805.570920][ T73] inet6_addr_add+0x4f8/0xa40 [ 4805.570920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.570920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.570920][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.570920][ T73] netlink_unicast+0x449/0x710 [ 4805.570920][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.570920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.570920][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.570920][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.570920][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.570920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.570920][ T73] [ 4805.572985][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.572985][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.572985][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.572985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.572985][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4805.572985][ T73] ipv6_add_addr+0x411/0x2000 [ 4805.572985][ T73] inet6_addr_add+0x30e/0xa40 [ 4805.572985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.572985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.572985][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.572985][ T73] netlink_unicast+0x449/0x710 [ 4805.572985][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.572985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.572985][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.572985][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.572985][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.572985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.572985][ T73] [ 4805.575010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.575010][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.575010][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.575010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.575010][ T73] ip6_route_add+0x1c/0x140 [ 4805.575010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4805.575010][ T73] addrconf_add_dev+0xe2/0x170 [ 4805.575010][ T73] inet6_addr_add+0x12f/0xa40 [ 4805.575010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.575010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.575010][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.575010][ T73] netlink_unicast+0x449/0x710 [ 4805.575010][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.575010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.575010][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.575010][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.575010][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.575010][ T73] [ 4805.576970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.576970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4805.576970][ T73] ipv6_find_idev+0x102/0x170 [ 4805.576970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.576970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.576970][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.576970][ T73] netlink_unicast+0x449/0x710 [ 4805.576970][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.576970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.576970][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.576970][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.576970][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.576970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.576970][ T73] [ 4805.578559][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4805.578559][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4805.578559][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4805.578559][ T73] ipv6_find_idev+0x102/0x170 [ 4805.578559][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.578559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.578559][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.578559][ T73] netlink_unicast+0x449/0x710 [ 4805.578559][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.578559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.578559][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.578559][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.578559][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.578559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.578559][ T73] [ 4805.580282][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4805.580561][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.580561][ T73] dst_init+0x84/0x4a0 [ 4805.580561][ T73] dst_alloc+0x97/0x150 [ 4805.580561][ T73] ip6_dst_alloc+0x23/0x90 [ 4805.580561][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4805.580561][ T73] ip6_pol_route+0x56f/0x840 [ 4805.580561][ T73] fib6_rule_lookup+0x456/0x630 [ 4805.580561][ T73] ip6_route_input+0x59c/0xa50 [ 4805.580561][ T73] ipv6_rcv+0x397/0x810 [ 4805.580561][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4805.580561][ T73] process_backlog+0x101/0x620 [ 4805.580561][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4805.580561][ T73] net_rx_action+0x495/0xbe0 [ 4805.580561][ T73] __do_softirq+0x1b5/0x7f6 [ 4805.580561][ T73] [ 4805.582223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.582223][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.582223][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.582223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.582223][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4805.582223][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4805.582223][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4805.582223][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4805.582223][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4805.582223][ T73] addrconf_dad_begin+0x310/0x670 [ 4805.582223][ T73] addrconf_dad_work+0x10b/0xab0 [ 4805.582223][ T73] process_one_work+0x84d/0x18a0 [ 4805.582223][ T73] worker_thread+0x587/0xd30 [ 4805.582223][ T73] kthread+0x28a/0x350 [ 4805.582223][ T73] ret_from_fork+0x31/0x70 [ 4805.582223][ T73] ret_from_fork_asm+0x1a/0x30 [ 4805.582223][ T73] [ 4805.584155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.584155][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.584155][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.584155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.584155][ T73] ip6_route_add+0x1c/0x140 [ 4805.584155][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4805.584155][ T73] inet6_addr_add+0x4f8/0xa40 [ 4805.584155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.584155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.584155][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.584155][ T73] netlink_unicast+0x449/0x710 [ 4805.584155][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.584155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.584155][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.584155][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.584155][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.584155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.584155][ T73] [ 4805.586154][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.586154][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.586154][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.586154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.586154][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4805.586154][ T73] ipv6_add_addr+0x411/0x2000 [ 4805.586154][ T73] inet6_addr_add+0x30e/0xa40 [ 4805.586154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.586154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.586154][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.586154][ T73] netlink_unicast+0x449/0x710 [ 4805.586154][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.586154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.586154][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.586154][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.586154][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.586154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.586154][ T73] [ 4805.588210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.588210][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.588210][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.588210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.588210][ T73] ip6_route_add+0x1c/0x140 [ 4805.588210][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4805.588210][ T73] addrconf_add_dev+0xe2/0x170 [ 4805.588210][ T73] inet6_addr_add+0x12f/0xa40 [ 4805.588210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.588210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.588210][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.588210][ T73] netlink_unicast+0x449/0x710 [ 4805.588210][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.588210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.588210][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.588210][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.588210][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.588210][ T73] [ 4805.590619][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.590619][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4805.590619][ T73] ipv6_find_idev+0x102/0x170 [ 4805.590619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.590619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.590619][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.590619][ T73] netlink_unicast+0x449/0x710 [ 4805.590619][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.590619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.590619][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.590619][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.590619][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.590619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.590619][ T73] [ 4805.592206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4805.592206][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4805.592206][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4805.592206][ T73] ipv6_find_idev+0x102/0x170 [ 4805.592206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.592206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.592206][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.592206][ T73] netlink_unicast+0x449/0x710 [ 4805.592206][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.592206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.592206][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.592206][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.592206][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.592206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.592206][ T73] [ 4805.594015][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4805.594283][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.594283][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4805.594283][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4805.594283][ T73] fib6_nh_init+0xa22/0x1580 [ 4805.594283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.594283][ T73] ip6_route_add+0x1c/0x140 [ 4805.594283][ T73] inet6_rtm_newroute+0x104/0x110 [ 4805.594283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.594283][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.594283][ T73] netlink_unicast+0x449/0x710 [ 4805.594283][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.594283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.594283][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.594283][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.594283][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.594283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.594283][ T73] [ 4805.596449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.596449][ T73] dst_init+0x84/0x4a0 [ 4805.596449][ T73] dst_alloc+0x97/0x150 [ 4805.596449][ T73] ip6_dst_alloc+0x23/0x90 [ 4805.596449][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4805.596449][ T73] ip6_pol_route+0x56f/0x840 [ 4805.596449][ T73] fib6_rule_lookup+0x456/0x630 [ 4805.596449][ T73] ip6_route_input+0x59c/0xa50 [ 4805.596449][ T73] ipv6_rcv+0x397/0x810 [ 4805.596449][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4805.596449][ T73] process_backlog+0x101/0x620 [ 4805.596449][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4805.596449][ T73] net_rx_action+0x495/0xbe0 [ 4805.596449][ T73] __do_softirq+0x1b5/0x7f6 [ 4805.596449][ T73] [ 4805.598254][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.598254][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.598254][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.598254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.598254][ T73] ip6_route_add+0x1c/0x140 [ 4805.598254][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4805.598254][ T73] inet6_addr_add+0x4f8/0xa40 [ 4805.598254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.598254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.598254][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.598254][ T73] netlink_unicast+0x449/0x710 [ 4805.598254][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.598254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.598254][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.598254][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.598254][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.598254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.598254][ T73] [ 4805.600479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.600479][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.600479][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.600479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.600479][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4805.600479][ T73] ipv6_add_addr+0x411/0x2000 [ 4805.600479][ T73] inet6_addr_add+0x30e/0xa40 [ 4805.600479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.600479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.600479][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.600479][ T73] netlink_unicast+0x449/0x710 [ 4805.600479][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.600479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.600479][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.600479][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.600479][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.600479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.600479][ T73] [ 4805.602717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.602717][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.602717][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.602717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.602717][ T73] ip6_route_add+0x1c/0x140 [ 4805.602717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4805.602717][ T73] addrconf_add_dev+0xe2/0x170 [ 4805.602717][ T73] inet6_addr_add+0x12f/0xa40 [ 4805.602717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.602717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.602717][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.602717][ T73] netlink_unicast+0x449/0x710 [ 4805.602717][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.602717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.602717][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.602717][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.602717][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.602717][ T73] [ 4805.604963][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.604963][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4805.604963][ T73] ipv6_find_idev+0x102/0x170 [ 4805.604963][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.604963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.604963][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.604963][ T73] netlink_unicast+0x449/0x710 [ 4805.604963][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.604963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.604963][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.604963][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.604963][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.604963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.604963][ T73] [ 4805.606783][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4805.606783][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4805.606783][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4805.606783][ T73] ipv6_find_idev+0x102/0x170 [ 4805.606783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.606783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.606783][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.606783][ T73] netlink_unicast+0x449/0x710 [ 4805.606783][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.606783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.606783][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.606783][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.606783][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.606783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.606783][ T73] [ 4805.608707][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4805.609493][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4805.609493][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.609493][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.609493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.609493][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4805.609493][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4805.609493][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4805.609493][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4805.609493][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4805.609493][ T73] addrconf_dad_begin+0x310/0x670 [ 4805.609493][ T73] addrconf_dad_work+0x10b/0xab0 [ 4805.609493][ T73] process_one_work+0x84d/0x18a0 [ 4805.609493][ T73] worker_thread+0x587/0xd30 [ 4805.609493][ T73] kthread+0x28a/0x350 [ 4805.609493][ T73] ret_from_fork+0x31/0x70 [ 4805.609493][ T73] ret_from_fork_asm+0x1a/0x30 [ 4805.609493][ T73] [ 4805.611461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4805.611461][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.611461][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.611461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.611461][ T73] ip6_route_add+0x1c/0x140 [ 4805.611461][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4805.611461][ T73] inet6_addr_add+0x4f8/0xa40 [ 4805.611461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.611461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.611461][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.611461][ T73] netlink_unicast+0x449/0x710 [ 4805.611461][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.611461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.611461][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.611461][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.611461][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.611461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.611461][ T73] [ 4805.613620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4805.613620][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.613620][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.613620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.613620][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4805.613620][ T73] ipv6_add_addr+0x411/0x2000 [ 4805.613620][ T73] inet6_addr_add+0x30e/0xa40 [ 4805.613620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.613620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.613620][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.613620][ T73] netlink_unicast+0x449/0x710 [ 4805.613620][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.613620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.613620][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.613620][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.613620][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.613620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.613620][ T73] [ 4805.615949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4805.615949][ T73] netdev_get_by_index+0x5e/0x80 [ 4805.615949][ T73] fib6_nh_init+0x3d8/0x1580 [ 4805.615949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4805.615949][ T73] ip6_route_add+0x1c/0x140 [ 4805.615949][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4805.615949][ T73] addrconf_add_dev+0xe2/0x170 [ 4805.615949][ T73] inet6_addr_add+0x12f/0xa40 [ 4805.615949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.615949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.615949][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.615949][ T73] netlink_unicast+0x449/0x710 [ 4805.615949][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.615949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.615949][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.615949][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.615949][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.615949][ T73] [ 4805.618174][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4805.618174][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4805.618174][ T73] ipv6_find_idev+0x102/0x170 [ 4805.618174][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.618174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.618174][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.618174][ T73] netlink_unicast+0x449/0x710 [ 4805.618174][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.618174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.618174][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.618174][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.618174][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.618174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.618174][ T73] [ 4805.619980][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4805.619980][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4805.619980][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4805.619980][ T73] ipv6_find_idev+0x102/0x170 [ 4805.619980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.619980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.619980][ T73] netlink_rcv_skb+0x130/0x360 [ 4805.619980][ T73] netlink_unicast+0x449/0x710 [ 4805.619980][ T73] netlink_sendmsg+0x723/0xbe0 [ 4805.619980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4805.619980][ T73] ___sys_sendmsg+0xee/0x170 [ 4805.619980][ T73] __sys_sendmsg+0xcd/0x170 [ 4805.619980][ T73] do_syscall_64+0xc6/0x1e0 [ 4805.619980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.619980][ T73] [ 4815.798925][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4815.799319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.799319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4815.799319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4815.799319][ T73] fib6_nh_init+0xa22/0x1580 [ 4815.799319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.799319][ T73] ip6_route_add+0x1c/0x140 [ 4815.799319][ T73] inet6_rtm_newroute+0x104/0x110 [ 4815.799319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.799319][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.799319][ T73] netlink_unicast+0x449/0x710 [ 4815.799319][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.799319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.799319][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.799319][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.799319][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.799319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.799319][ T73] [ 4815.801211][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.801211][ T73] dst_init+0x84/0x4a0 [ 4815.801211][ T73] dst_alloc+0x97/0x150 [ 4815.801211][ T73] ip6_dst_alloc+0x23/0x90 [ 4815.801211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4815.801211][ T73] ip6_pol_route+0x56f/0x840 [ 4815.801211][ T73] fib6_rule_lookup+0x456/0x630 [ 4815.801211][ T73] ip6_route_input+0x59c/0xa50 [ 4815.801211][ T73] ipv6_rcv+0x397/0x810 [ 4815.801211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4815.801211][ T73] process_backlog+0x101/0x620 [ 4815.801211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4815.801211][ T73] net_rx_action+0x495/0xbe0 [ 4815.801211][ T73] __do_softirq+0x1b5/0x7f6 [ 4815.801211][ T73] [ 4815.802874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.802874][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.802874][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.802874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.802874][ T73] ip6_route_add+0x1c/0x140 [ 4815.802874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4815.802874][ T73] inet6_addr_add+0x4f8/0xa40 [ 4815.802874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.802874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.802874][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.802874][ T73] netlink_unicast+0x449/0x710 [ 4815.802874][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.802874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.802874][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.802874][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.802874][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.802874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.802874][ T73] [ 4815.804859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.804859][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.804859][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.804859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.804859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4815.804859][ T73] ipv6_add_addr+0x411/0x2000 [ 4815.804859][ T73] inet6_addr_add+0x30e/0xa40 [ 4815.804859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.804859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.804859][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.804859][ T73] netlink_unicast+0x449/0x710 [ 4815.804859][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.804859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.804859][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.804859][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.804859][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.804859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.804859][ T73] [ 4815.806841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.806841][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.806841][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.806841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.806841][ T73] ip6_route_add+0x1c/0x140 [ 4815.806841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4815.806841][ T73] addrconf_add_dev+0xe2/0x170 [ 4815.806841][ T73] inet6_addr_add+0x12f/0xa40 [ 4815.806841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.806841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.806841][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.806841][ T73] netlink_unicast+0x449/0x710 [ 4815.806841][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.806841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.806841][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.806841][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.806841][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.806841][ T73] [ 4815.808813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.808813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4815.808813][ T73] ipv6_find_idev+0x102/0x170 [ 4815.808813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.808813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.808813][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.808813][ T73] netlink_unicast+0x449/0x710 [ 4815.808813][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.808813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.808813][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.808813][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.808813][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.808813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.808813][ T73] [ 4815.810338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4815.810338][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4815.810338][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4815.810338][ T73] ipv6_find_idev+0x102/0x170 [ 4815.810338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.810338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.810338][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.810338][ T73] netlink_unicast+0x449/0x710 [ 4815.810338][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.810338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.810338][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.810338][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.810338][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.810338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.810338][ T73] [ 4815.812140][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4815.812415][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.812415][ T73] dst_init+0x84/0x4a0 [ 4815.812415][ T73] dst_alloc+0x97/0x150 [ 4815.812415][ T73] ip6_dst_alloc+0x23/0x90 [ 4815.812415][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4815.812415][ T73] ip6_pol_route+0x56f/0x840 [ 4815.812415][ T73] fib6_rule_lookup+0x456/0x630 [ 4815.812415][ T73] ip6_route_input+0x59c/0xa50 [ 4815.812415][ T73] ipv6_rcv+0x397/0x810 [ 4815.812415][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4815.812415][ T73] process_backlog+0x101/0x620 [ 4815.812415][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4815.812415][ T73] net_rx_action+0x495/0xbe0 [ 4815.812415][ T73] __do_softirq+0x1b5/0x7f6 [ 4815.812415][ T73] [ 4815.814037][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.814037][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.814037][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.814037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.814037][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4815.814037][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4815.814037][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4815.814037][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4815.814037][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4815.814037][ T73] addrconf_dad_begin+0x310/0x670 [ 4815.814037][ T73] addrconf_dad_work+0x10b/0xab0 [ 4815.814037][ T73] process_one_work+0x84d/0x18a0 [ 4815.814037][ T73] worker_thread+0x587/0xd30 [ 4815.814037][ T73] kthread+0x28a/0x350 [ 4815.814037][ T73] ret_from_fork+0x31/0x70 [ 4815.814037][ T73] ret_from_fork_asm+0x1a/0x30 [ 4815.814037][ T73] [ 4815.815928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.815928][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.815928][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.815928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.815928][ T73] ip6_route_add+0x1c/0x140 [ 4815.815928][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4815.815928][ T73] inet6_addr_add+0x4f8/0xa40 [ 4815.815928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.815928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.815928][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.815928][ T73] netlink_unicast+0x449/0x710 [ 4815.815928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.815928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.815928][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.815928][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.815928][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.815928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.815928][ T73] [ 4815.817921][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.817921][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.817921][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.817921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.817921][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4815.817921][ T73] ipv6_add_addr+0x411/0x2000 [ 4815.817921][ T73] inet6_addr_add+0x30e/0xa40 [ 4815.817921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.817921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.817921][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.817921][ T73] netlink_unicast+0x449/0x710 [ 4815.817921][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.817921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.817921][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.817921][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.817921][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.817921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.817921][ T73] [ 4815.819911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.819911][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.819911][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.819911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.819911][ T73] ip6_route_add+0x1c/0x140 [ 4815.819911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4815.819911][ T73] addrconf_add_dev+0xe2/0x170 [ 4815.819911][ T73] inet6_addr_add+0x12f/0xa40 [ 4815.819911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.819911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.819911][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.819911][ T73] netlink_unicast+0x449/0x710 [ 4815.819911][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.819911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.819911][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.819911][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.819911][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.819911][ T73] [ 4815.821857][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.821857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4815.821857][ T73] ipv6_find_idev+0x102/0x170 [ 4815.821857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.821857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.821857][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.821857][ T73] netlink_unicast+0x449/0x710 [ 4815.821857][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.821857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.821857][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.821857][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.821857][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.821857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.821857][ T73] [ 4815.823386][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4815.823386][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4815.823386][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4815.823386][ T73] ipv6_find_idev+0x102/0x170 [ 4815.823386][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.823386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.823386][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.823386][ T73] netlink_unicast+0x449/0x710 [ 4815.823386][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.823386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.823386][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.823386][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.823386][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.823386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.823386][ T73] [ 4815.825171][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4815.825438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.825438][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4815.825438][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4815.825438][ T73] fib6_nh_init+0xa22/0x1580 [ 4815.825438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.825438][ T73] ip6_route_add+0x1c/0x140 [ 4815.825438][ T73] inet6_rtm_newroute+0x104/0x110 [ 4815.825438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.825438][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.825438][ T73] netlink_unicast+0x449/0x710 [ 4815.825438][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.825438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.825438][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.825438][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.825438][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.825438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.825438][ T73] [ 4815.827601][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.827601][ T73] dst_init+0x84/0x4a0 [ 4815.827601][ T73] dst_alloc+0x97/0x150 [ 4815.827601][ T73] ip6_dst_alloc+0x23/0x90 [ 4815.827601][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4815.827601][ T73] ip6_pol_route+0x56f/0x840 [ 4815.827601][ T73] fib6_rule_lookup+0x456/0x630 [ 4815.827601][ T73] ip6_route_input+0x59c/0xa50 [ 4815.827601][ T73] ipv6_rcv+0x397/0x810 [ 4815.827601][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4815.827601][ T73] process_backlog+0x101/0x620 [ 4815.827601][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4815.827601][ T73] net_rx_action+0x495/0xbe0 [ 4815.827601][ T73] __do_softirq+0x1b5/0x7f6 [ 4815.827601][ T73] [ 4815.829411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.829411][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.829411][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.829411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.829411][ T73] ip6_route_add+0x1c/0x140 [ 4815.829411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4815.829411][ T73] inet6_addr_add+0x4f8/0xa40 [ 4815.829411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.829411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.829411][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.829411][ T73] netlink_unicast+0x449/0x710 [ 4815.829411][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.829411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.829411][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.829411][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.829411][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.829411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.829411][ T73] [ 4815.831639][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.831639][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.831639][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.831639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.831639][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4815.831639][ T73] ipv6_add_addr+0x411/0x2000 [ 4815.831639][ T73] inet6_addr_add+0x30e/0xa40 [ 4815.831639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.831639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.831639][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.831639][ T73] netlink_unicast+0x449/0x710 [ 4815.831639][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.831639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.831639][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.831639][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.831639][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.831639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.831639][ T73] [ 4815.833805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.833805][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.833805][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.833805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.833805][ T73] ip6_route_add+0x1c/0x140 [ 4815.833805][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4815.833805][ T73] addrconf_add_dev+0xe2/0x170 [ 4815.833805][ T73] inet6_addr_add+0x12f/0xa40 [ 4815.833805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.833805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.833805][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.833805][ T73] netlink_unicast+0x449/0x710 [ 4815.833805][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.833805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.833805][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.833805][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.833805][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.833805][ T73] [ 4815.836045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.836045][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4815.836045][ T73] ipv6_find_idev+0x102/0x170 [ 4815.836045][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.836045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.836045][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.836045][ T73] netlink_unicast+0x449/0x710 [ 4815.836045][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.836045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.836045][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.836045][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.836045][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.836045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.836045][ T73] [ 4815.837754][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4815.837754][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4815.837754][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4815.837754][ T73] ipv6_find_idev+0x102/0x170 [ 4815.837754][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.837754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.837754][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.837754][ T73] netlink_unicast+0x449/0x710 [ 4815.837754][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.837754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.837754][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.837754][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.837754][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.837754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.837754][ T73] [ 4815.839596][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4815.840359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4815.840359][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.840359][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.840359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.840359][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4815.840359][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4815.840359][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4815.840359][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4815.840359][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4815.840359][ T73] addrconf_dad_begin+0x310/0x670 [ 4815.840359][ T73] addrconf_dad_work+0x10b/0xab0 [ 4815.840359][ T73] process_one_work+0x84d/0x18a0 [ 4815.840359][ T73] worker_thread+0x587/0xd30 [ 4815.840359][ T73] kthread+0x28a/0x350 [ 4815.840359][ T73] ret_from_fork+0x31/0x70 [ 4815.840359][ T73] ret_from_fork_asm+0x1a/0x30 [ 4815.840359][ T73] [ 4815.842254][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4815.842254][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.842254][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.842254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.842254][ T73] ip6_route_add+0x1c/0x140 [ 4815.842254][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4815.842254][ T73] inet6_addr_add+0x4f8/0xa40 [ 4815.842254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.842254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.842254][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.842254][ T73] netlink_unicast+0x449/0x710 [ 4815.842254][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.842254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.842254][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.842254][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.842254][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.842254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.842254][ T73] [ 4815.844304][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4815.844304][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.844304][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.844304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.844304][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4815.844304][ T73] ipv6_add_addr+0x411/0x2000 [ 4815.844304][ T73] inet6_addr_add+0x30e/0xa40 [ 4815.844304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.844304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.844304][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.844304][ T73] netlink_unicast+0x449/0x710 [ 4815.844304][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.844304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.844304][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.844304][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.844304][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.844304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.844304][ T73] [ 4815.846529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4815.846529][ T73] netdev_get_by_index+0x5e/0x80 [ 4815.846529][ T73] fib6_nh_init+0x3d8/0x1580 [ 4815.846529][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4815.846529][ T73] ip6_route_add+0x1c/0x140 [ 4815.846529][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4815.846529][ T73] addrconf_add_dev+0xe2/0x170 [ 4815.846529][ T73] inet6_addr_add+0x12f/0xa40 [ 4815.846529][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.846529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.846529][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.846529][ T73] netlink_unicast+0x449/0x710 [ 4815.846529][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.846529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.846529][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.846529][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.846529][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.846529][ T73] [ 4815.848791][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4815.848791][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4815.848791][ T73] ipv6_find_idev+0x102/0x170 [ 4815.848791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.848791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.848791][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.848791][ T73] netlink_unicast+0x449/0x710 [ 4815.848791][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.848791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.848791][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.848791][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.848791][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.848791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.848791][ T73] [ 4815.850491][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4815.850491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4815.850491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4815.850491][ T73] ipv6_find_idev+0x102/0x170 [ 4815.850491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.850491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.850491][ T73] netlink_rcv_skb+0x130/0x360 [ 4815.850491][ T73] netlink_unicast+0x449/0x710 [ 4815.850491][ T73] netlink_sendmsg+0x723/0xbe0 [ 4815.850491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4815.850491][ T73] ___sys_sendmsg+0xee/0x170 [ 4815.850491][ T73] __sys_sendmsg+0xcd/0x170 [ 4815.850491][ T73] do_syscall_64+0xc6/0x1e0 [ 4815.850491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.850491][ T73] [ 4826.094914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4826.095383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.095383][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4826.095383][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4826.095383][ T73] fib6_nh_init+0xa22/0x1580 [ 4826.095383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.095383][ T73] ip6_route_add+0x1c/0x140 [ 4826.095383][ T73] inet6_rtm_newroute+0x104/0x110 [ 4826.095383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.095383][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.095383][ T73] netlink_unicast+0x449/0x710 [ 4826.095383][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.095383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.095383][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.095383][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.095383][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.095383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.095383][ T73] [ 4826.097385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.097385][ T73] dst_init+0x84/0x4a0 [ 4826.097385][ T73] dst_alloc+0x97/0x150 [ 4826.097385][ T73] ip6_dst_alloc+0x23/0x90 [ 4826.097385][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4826.097385][ T73] ip6_pol_route+0x56f/0x840 [ 4826.097385][ T73] fib6_rule_lookup+0x456/0x630 [ 4826.097385][ T73] ip6_route_input+0x59c/0xa50 [ 4826.097385][ T73] ipv6_rcv+0x397/0x810 [ 4826.097385][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4826.097385][ T73] process_backlog+0x101/0x620 [ 4826.097385][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4826.097385][ T73] net_rx_action+0x495/0xbe0 [ 4826.097385][ T73] __do_softirq+0x1b5/0x7f6 [ 4826.097385][ T73] [ 4826.099042][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.099042][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.099042][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.099042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.099042][ T73] ip6_route_add+0x1c/0x140 [ 4826.099042][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4826.099042][ T73] inet6_addr_add+0x4f8/0xa40 [ 4826.099042][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.099042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.099042][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.099042][ T73] netlink_unicast+0x449/0x710 [ 4826.099042][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.099042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.099042][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.099042][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.099042][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.099042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.099042][ T73] [ 4826.101051][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.101051][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.101051][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.101051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.101051][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4826.101051][ T73] ipv6_add_addr+0x411/0x2000 [ 4826.101051][ T73] inet6_addr_add+0x30e/0xa40 [ 4826.101051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.101051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.101051][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.101051][ T73] netlink_unicast+0x449/0x710 [ 4826.101051][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.101051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.101051][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.101051][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.101051][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.101051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.101051][ T73] [ 4826.103056][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.103056][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.103056][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.103056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.103056][ T73] ip6_route_add+0x1c/0x140 [ 4826.103056][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4826.103056][ T73] addrconf_add_dev+0xe2/0x170 [ 4826.103056][ T73] inet6_addr_add+0x12f/0xa40 [ 4826.103056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.103056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.103056][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.103056][ T73] netlink_unicast+0x449/0x710 [ 4826.103056][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.103056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.103056][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.103056][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.103056][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.103056][ T73] [ 4826.105032][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.105032][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4826.105032][ T73] ipv6_find_idev+0x102/0x170 [ 4826.105032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.105032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.105032][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.105032][ T73] netlink_unicast+0x449/0x710 [ 4826.105032][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.105032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.105032][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.105032][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.105032][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.105032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.105032][ T73] [ 4826.106580][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4826.106580][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4826.106580][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4826.106580][ T73] ipv6_find_idev+0x102/0x170 [ 4826.106580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.106580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.106580][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.106580][ T73] netlink_unicast+0x449/0x710 [ 4826.106580][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.106580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.106580][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.106580][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.106580][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.106580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.106580][ T73] [ 4826.108297][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4826.108570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.108570][ T73] dst_init+0x84/0x4a0 [ 4826.108570][ T73] dst_alloc+0x97/0x150 [ 4826.108570][ T73] ip6_dst_alloc+0x23/0x90 [ 4826.108570][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4826.108570][ T73] ip6_pol_route+0x56f/0x840 [ 4826.108570][ T73] fib6_rule_lookup+0x456/0x630 [ 4826.108570][ T73] ip6_route_input+0x59c/0xa50 [ 4826.108570][ T73] ipv6_rcv+0x397/0x810 [ 4826.108570][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4826.108570][ T73] process_backlog+0x101/0x620 [ 4826.108570][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4826.108570][ T73] net_rx_action+0x495/0xbe0 [ 4826.108570][ T73] __do_softirq+0x1b5/0x7f6 [ 4826.108570][ T73] [ 4826.110222][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.110222][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.110222][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.110222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.110222][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4826.110222][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4826.110222][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4826.110222][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4826.110222][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4826.110222][ T73] addrconf_dad_begin+0x310/0x670 [ 4826.110222][ T73] addrconf_dad_work+0x10b/0xab0 [ 4826.110222][ T73] process_one_work+0x84d/0x18a0 [ 4826.110222][ T73] worker_thread+0x587/0xd30 [ 4826.110222][ T73] kthread+0x28a/0x350 [ 4826.110222][ T73] ret_from_fork+0x31/0x70 [ 4826.110222][ T73] ret_from_fork_asm+0x1a/0x30 [ 4826.110222][ T73] [ 4826.112141][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.112141][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.112141][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.112141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.112141][ T73] ip6_route_add+0x1c/0x140 [ 4826.112141][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4826.112141][ T73] inet6_addr_add+0x4f8/0xa40 [ 4826.112141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.112141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.112141][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.112141][ T73] netlink_unicast+0x449/0x710 [ 4826.112141][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.112141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.112141][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.112141][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.112141][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.112141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.112141][ T73] [ 4826.114161][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.114161][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.114161][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.114161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.114161][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4826.114161][ T73] ipv6_add_addr+0x411/0x2000 [ 4826.114161][ T73] inet6_addr_add+0x30e/0xa40 [ 4826.114161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.114161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.114161][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.114161][ T73] netlink_unicast+0x449/0x710 [ 4826.114161][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.114161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.114161][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.114161][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.114161][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.114161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.114161][ T73] [ 4826.116159][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.116159][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.116159][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.116159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.116159][ T73] ip6_route_add+0x1c/0x140 [ 4826.116159][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4826.116159][ T73] addrconf_add_dev+0xe2/0x170 [ 4826.116159][ T73] inet6_addr_add+0x12f/0xa40 [ 4826.116159][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.116159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.116159][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.116159][ T73] netlink_unicast+0x449/0x710 [ 4826.116159][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.116159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.116159][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.116159][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.116159][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.116159][ T73] [ 4826.118127][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.118127][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4826.118127][ T73] ipv6_find_idev+0x102/0x170 [ 4826.118127][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.118127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.118127][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.118127][ T73] netlink_unicast+0x449/0x710 [ 4826.118127][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.118127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.118127][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.118127][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.118127][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.118127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.118127][ T73] [ 4826.119679][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4826.119679][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4826.119679][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4826.119679][ T73] ipv6_find_idev+0x102/0x170 [ 4826.119679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.119679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.119679][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.119679][ T73] netlink_unicast+0x449/0x710 [ 4826.119679][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.119679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.119679][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.119679][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.119679][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.119679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.119679][ T73] [ 4826.121493][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4826.121762][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.121762][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4826.121762][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4826.121762][ T73] fib6_nh_init+0xa22/0x1580 [ 4826.121762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.121762][ T73] ip6_route_add+0x1c/0x140 [ 4826.121762][ T73] inet6_rtm_newroute+0x104/0x110 [ 4826.121762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.121762][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.121762][ T73] netlink_unicast+0x449/0x710 [ 4826.121762][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.121762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.121762][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.121762][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.121762][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.121762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.121762][ T73] [ 4826.123954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.123954][ T73] dst_init+0x84/0x4a0 [ 4826.123954][ T73] dst_alloc+0x97/0x150 [ 4826.123954][ T73] ip6_dst_alloc+0x23/0x90 [ 4826.123954][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4826.123954][ T73] ip6_pol_route+0x56f/0x840 [ 4826.123954][ T73] fib6_rule_lookup+0x456/0x630 [ 4826.123954][ T73] ip6_route_input+0x59c/0xa50 [ 4826.123954][ T73] ipv6_rcv+0x397/0x810 [ 4826.123954][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4826.123954][ T73] process_backlog+0x101/0x620 [ 4826.123954][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4826.123954][ T73] net_rx_action+0x495/0xbe0 [ 4826.123954][ T73] __do_softirq+0x1b5/0x7f6 [ 4826.123954][ T73] [ 4826.125775][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.125775][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.125775][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.125775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.125775][ T73] ip6_route_add+0x1c/0x140 [ 4826.125775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4826.125775][ T73] inet6_addr_add+0x4f8/0xa40 [ 4826.125775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.125775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.125775][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.125775][ T73] netlink_unicast+0x449/0x710 [ 4826.125775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.125775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.125775][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.125775][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.125775][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.125775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.125775][ T73] [ 4826.128020][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.128020][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.128020][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.128020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.128020][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4826.128020][ T73] ipv6_add_addr+0x411/0x2000 [ 4826.128020][ T73] inet6_addr_add+0x30e/0xa40 [ 4826.128020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.128020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.128020][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.128020][ T73] netlink_unicast+0x449/0x710 [ 4826.128020][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.128020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.128020][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.128020][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.128020][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.128020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.128020][ T73] [ 4826.130277][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.130277][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.130277][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.130277][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.130277][ T73] ip6_route_add+0x1c/0x140 [ 4826.130277][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4826.130277][ T73] addrconf_add_dev+0xe2/0x170 [ 4826.130277][ T73] inet6_addr_add+0x12f/0xa40 [ 4826.130277][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.130277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.130277][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.130277][ T73] netlink_unicast+0x449/0x710 [ 4826.130277][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.130277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.130277][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.130277][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.130277][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.130277][ T73] [ 4826.132555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.132555][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4826.132555][ T73] ipv6_find_idev+0x102/0x170 [ 4826.132555][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.132555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.132555][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.132555][ T73] netlink_unicast+0x449/0x710 [ 4826.132555][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.132555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.132555][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.132555][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.132555][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.132555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.132555][ T73] [ 4826.134223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4826.134223][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4826.134223][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4826.134223][ T73] ipv6_find_idev+0x102/0x170 [ 4826.134223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.134223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.134223][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.134223][ T73] netlink_unicast+0x449/0x710 [ 4826.134223][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.134223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.134223][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.134223][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.134223][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.134223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.134223][ T73] [ 4826.136156][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4826.136425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4826.136425][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.136425][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.136425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.136425][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4826.136425][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4826.136425][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4826.136425][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4826.136425][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4826.136425][ T73] addrconf_dad_begin+0x310/0x670 [ 4826.136425][ T73] addrconf_dad_work+0x10b/0xab0 [ 4826.136425][ T73] process_one_work+0x84d/0x18a0 [ 4826.136425][ T73] worker_thread+0x587/0xd30 [ 4826.136425][ T73] kthread+0x28a/0x350 [ 4826.136425][ T73] ret_from_fork+0x31/0x70 [ 4826.136425][ T73] ret_from_fork_asm+0x1a/0x30 [ 4826.136425][ T73] [ 4826.138592][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4826.138592][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.138592][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.138592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.138592][ T73] ip6_route_add+0x1c/0x140 [ 4826.138592][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4826.138592][ T73] inet6_addr_add+0x4f8/0xa40 [ 4826.138592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.138592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.138592][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.138592][ T73] netlink_unicast+0x449/0x710 [ 4826.138592][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.138592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.138592][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.138592][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.138592][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.138592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.138592][ T73] [ 4826.140845][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4826.140845][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.140845][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.140845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.140845][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4826.140845][ T73] ipv6_add_addr+0x411/0x2000 [ 4826.140845][ T73] inet6_addr_add+0x30e/0xa40 [ 4826.140845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.140845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.140845][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.140845][ T73] netlink_unicast+0x449/0x710 [ 4826.140845][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.140845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.140845][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.140845][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.140845][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.140845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.140845][ T73] [ 4826.143098][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4826.143098][ T73] netdev_get_by_index+0x5e/0x80 [ 4826.143098][ T73] fib6_nh_init+0x3d8/0x1580 [ 4826.143098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4826.143098][ T73] ip6_route_add+0x1c/0x140 [ 4826.143098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4826.143098][ T73] addrconf_add_dev+0xe2/0x170 [ 4826.143098][ T73] inet6_addr_add+0x12f/0xa40 [ 4826.143098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4826.143098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.143098][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.143098][ T73] netlink_unicast+0x449/0x710 [ 4826.143098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.143098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.143098][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.143098][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.143098][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.143098][ T73] [ 4826.145304][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4826.145304][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4826.145304][ T73] ipv6_find_idev+0x102/0x170 [ 4826.145304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.145304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.145304][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.145304][ T73] netlink_unicast+0x449/0x710 [ 4826.145304][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.145304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.145304][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.145304][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.145304][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.145304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.145304][ T73] [ 4826.147031][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4826.147031][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4826.147031][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4826.147031][ T73] ipv6_find_idev+0x102/0x170 [ 4826.147031][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4826.147031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4826.147031][ T73] netlink_rcv_skb+0x130/0x360 [ 4826.147031][ T73] netlink_unicast+0x449/0x710 [ 4826.147031][ T73] netlink_sendmsg+0x723/0xbe0 [ 4826.147031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4826.147031][ T73] ___sys_sendmsg+0xee/0x170 [ 4826.147031][ T73] __sys_sendmsg+0xcd/0x170 [ 4826.147031][ T73] do_syscall_64+0xc6/0x1e0 [ 4826.147031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4826.147031][ T73] [ 4836.390894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4836.391380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.391380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4836.391380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4836.391380][ T73] fib6_nh_init+0xa22/0x1580 [ 4836.391380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.391380][ T73] ip6_route_add+0x1c/0x140 [ 4836.391380][ T73] inet6_rtm_newroute+0x104/0x110 [ 4836.391380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.391380][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.391380][ T73] netlink_unicast+0x449/0x710 [ 4836.391380][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.391380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.391380][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.391380][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.391380][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.391380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.391380][ T73] [ 4836.393280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.393280][ T73] dst_init+0x84/0x4a0 [ 4836.393280][ T73] dst_alloc+0x97/0x150 [ 4836.393280][ T73] ip6_dst_alloc+0x23/0x90 [ 4836.393280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4836.393280][ T73] ip6_pol_route+0x56f/0x840 [ 4836.393280][ T73] fib6_rule_lookup+0x456/0x630 [ 4836.393280][ T73] ip6_route_input+0x59c/0xa50 [ 4836.393280][ T73] ipv6_rcv+0x397/0x810 [ 4836.393280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4836.393280][ T73] process_backlog+0x101/0x620 [ 4836.393280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4836.393280][ T73] net_rx_action+0x495/0xbe0 [ 4836.393280][ T73] __do_softirq+0x1b5/0x7f6 [ 4836.393280][ T73] [ 4836.394923][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.394923][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.394923][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.394923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.394923][ T73] ip6_route_add+0x1c/0x140 [ 4836.394923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4836.394923][ T73] inet6_addr_add+0x4f8/0xa40 [ 4836.394923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.394923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.394923][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.394923][ T73] netlink_unicast+0x449/0x710 [ 4836.394923][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.394923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.394923][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.394923][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.394923][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.394923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.394923][ T73] [ 4836.397424][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.397424][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.397424][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.397424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.397424][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4836.397424][ T73] ipv6_add_addr+0x411/0x2000 [ 4836.397424][ T73] inet6_addr_add+0x30e/0xa40 [ 4836.397424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.397424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.397424][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.397424][ T73] netlink_unicast+0x449/0x710 [ 4836.397424][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.397424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.397424][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.397424][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.397424][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.397424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.397424][ T73] [ 4836.399801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.399801][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.399801][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.399801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.399801][ T73] ip6_route_add+0x1c/0x140 [ 4836.399801][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4836.399801][ T73] addrconf_add_dev+0xe2/0x170 [ 4836.399801][ T73] inet6_addr_add+0x12f/0xa40 [ 4836.399801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.399801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.399801][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.399801][ T73] netlink_unicast+0x449/0x710 [ 4836.399801][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.399801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.399801][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.399801][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.399801][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.399801][ T73] [ 4836.401770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.401770][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4836.401770][ T73] ipv6_find_idev+0x102/0x170 [ 4836.401770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.401770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.401770][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.401770][ T73] netlink_unicast+0x449/0x710 [ 4836.401770][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.401770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.401770][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.401770][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.401770][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.401770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.401770][ T73] [ 4836.403305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4836.403305][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4836.403305][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4836.403305][ T73] ipv6_find_idev+0x102/0x170 [ 4836.403305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.403305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.403305][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.403305][ T73] netlink_unicast+0x449/0x710 [ 4836.403305][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.403305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.403305][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.403305][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.403305][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.403305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.403305][ T73] [ 4836.404989][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4836.405261][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.405261][ T73] dst_init+0x84/0x4a0 [ 4836.405261][ T73] dst_alloc+0x97/0x150 [ 4836.405261][ T73] ip6_dst_alloc+0x23/0x90 [ 4836.405261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4836.405261][ T73] ip6_pol_route+0x56f/0x840 [ 4836.405261][ T73] fib6_rule_lookup+0x456/0x630 [ 4836.405261][ T73] ip6_route_input+0x59c/0xa50 [ 4836.405261][ T73] ipv6_rcv+0x397/0x810 [ 4836.405261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4836.405261][ T73] process_backlog+0x101/0x620 [ 4836.405261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4836.405261][ T73] net_rx_action+0x495/0xbe0 [ 4836.405261][ T73] __do_softirq+0x1b5/0x7f6 [ 4836.405261][ T73] [ 4836.406889][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.406889][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.406889][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.406889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.406889][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4836.406889][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4836.406889][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4836.406889][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4836.406889][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4836.406889][ T73] addrconf_dad_begin+0x310/0x670 [ 4836.406889][ T73] addrconf_dad_work+0x10b/0xab0 [ 4836.406889][ T73] process_one_work+0x84d/0x18a0 [ 4836.406889][ T73] worker_thread+0x587/0xd30 [ 4836.406889][ T73] kthread+0x28a/0x350 [ 4836.406889][ T73] ret_from_fork+0x31/0x70 [ 4836.406889][ T73] ret_from_fork_asm+0x1a/0x30 [ 4836.406889][ T73] [ 4836.408784][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.408784][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.408784][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.408784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.408784][ T73] ip6_route_add+0x1c/0x140 [ 4836.408784][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4836.408784][ T73] inet6_addr_add+0x4f8/0xa40 [ 4836.408784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.408784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.408784][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.408784][ T73] netlink_unicast+0x449/0x710 [ 4836.408784][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.408784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.408784][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.408784][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.408784][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.408784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.408784][ T73] [ 4836.410764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.410764][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.410764][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.410764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.410764][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4836.410764][ T73] ipv6_add_addr+0x411/0x2000 [ 4836.410764][ T73] inet6_addr_add+0x30e/0xa40 [ 4836.410764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.410764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.410764][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.410764][ T73] netlink_unicast+0x449/0x710 [ 4836.410764][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.410764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.410764][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.410764][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.410764][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.410764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.410764][ T73] [ 4836.412742][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.412742][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.412742][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.412742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.412742][ T73] ip6_route_add+0x1c/0x140 [ 4836.412742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4836.412742][ T73] addrconf_add_dev+0xe2/0x170 [ 4836.412742][ T73] inet6_addr_add+0x12f/0xa40 [ 4836.412742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.412742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.412742][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.412742][ T73] netlink_unicast+0x449/0x710 [ 4836.412742][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.412742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.412742][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.412742][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.412742][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.412742][ T73] [ 4836.414691][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.414691][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4836.414691][ T73] ipv6_find_idev+0x102/0x170 [ 4836.414691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.414691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.414691][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.414691][ T73] netlink_unicast+0x449/0x710 [ 4836.414691][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.414691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.414691][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.414691][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.414691][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.414691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.414691][ T73] [ 4836.416216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4836.416216][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4836.416216][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4836.416216][ T73] ipv6_find_idev+0x102/0x170 [ 4836.416216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.416216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.416216][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.416216][ T73] netlink_unicast+0x449/0x710 [ 4836.416216][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.416216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.416216][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.416216][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.416216][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.416216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.416216][ T73] [ 4836.418028][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4836.418318][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.418318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4836.418318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4836.418318][ T73] fib6_nh_init+0xa22/0x1580 [ 4836.418318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.418318][ T73] ip6_route_add+0x1c/0x140 [ 4836.418318][ T73] inet6_rtm_newroute+0x104/0x110 [ 4836.418318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.418318][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.418318][ T73] netlink_unicast+0x449/0x710 [ 4836.418318][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.418318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.418318][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.418318][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.418318][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.418318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.418318][ T73] [ 4836.420435][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.420435][ T73] dst_init+0x84/0x4a0 [ 4836.420435][ T73] dst_alloc+0x97/0x150 [ 4836.420435][ T73] ip6_dst_alloc+0x23/0x90 [ 4836.420435][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4836.420435][ T73] ip6_pol_route+0x56f/0x840 [ 4836.420435][ T73] fib6_rule_lookup+0x456/0x630 [ 4836.420435][ T73] ip6_route_input+0x59c/0xa50 [ 4836.420435][ T73] ipv6_rcv+0x397/0x810 [ 4836.420435][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4836.420435][ T73] process_backlog+0x101/0x620 [ 4836.420435][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4836.420435][ T73] net_rx_action+0x495/0xbe0 [ 4836.420435][ T73] __do_softirq+0x1b5/0x7f6 [ 4836.420435][ T73] [ 4836.422249][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.422249][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.422249][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.422249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.422249][ T73] ip6_route_add+0x1c/0x140 [ 4836.422249][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4836.422249][ T73] inet6_addr_add+0x4f8/0xa40 [ 4836.422249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.422249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.422249][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.422249][ T73] netlink_unicast+0x449/0x710 [ 4836.422249][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.422249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.422249][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.422249][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.422249][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.422249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.422249][ T73] [ 4836.424552][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.424552][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.424552][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.424552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.424552][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4836.424552][ T73] ipv6_add_addr+0x411/0x2000 [ 4836.424552][ T73] inet6_addr_add+0x30e/0xa40 [ 4836.424552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.424552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.424552][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.424552][ T73] netlink_unicast+0x449/0x710 [ 4836.424552][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.424552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.424552][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.424552][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.424552][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.424552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.424552][ T73] [ 4836.426772][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.426772][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.426772][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.426772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.426772][ T73] ip6_route_add+0x1c/0x140 [ 4836.426772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4836.426772][ T73] addrconf_add_dev+0xe2/0x170 [ 4836.426772][ T73] inet6_addr_add+0x12f/0xa40 [ 4836.426772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.426772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.426772][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.426772][ T73] netlink_unicast+0x449/0x710 [ 4836.426772][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.426772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.426772][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.426772][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.426772][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.426772][ T73] [ 4836.428910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.428910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4836.428910][ T73] ipv6_find_idev+0x102/0x170 [ 4836.428910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.428910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.428910][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.428910][ T73] netlink_unicast+0x449/0x710 [ 4836.428910][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.428910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.428910][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.428910][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.428910][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.428910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.428910][ T73] [ 4836.430611][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4836.430611][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4836.430611][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4836.430611][ T73] ipv6_find_idev+0x102/0x170 [ 4836.430611][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.430611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.430611][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.430611][ T73] netlink_unicast+0x449/0x710 [ 4836.430611][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.430611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.430611][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.430611][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.430611][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.430611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.430611][ T73] [ 4836.432583][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4836.432916][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4836.432916][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.432916][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.432916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.432916][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4836.432916][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4836.432916][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4836.432916][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4836.432916][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4836.432916][ T73] addrconf_dad_begin+0x310/0x670 [ 4836.432916][ T73] addrconf_dad_work+0x10b/0xab0 [ 4836.432916][ T73] process_one_work+0x84d/0x18a0 [ 4836.432916][ T73] worker_thread+0x587/0xd30 [ 4836.432916][ T73] kthread+0x28a/0x350 [ 4836.432916][ T73] ret_from_fork+0x31/0x70 [ 4836.432916][ T73] ret_from_fork_asm+0x1a/0x30 [ 4836.432916][ T73] [ 4836.435007][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4836.435007][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.435007][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.435007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.435007][ T73] ip6_route_add+0x1c/0x140 [ 4836.435007][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4836.435007][ T73] inet6_addr_add+0x4f8/0xa40 [ 4836.435007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.435007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.435007][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.435007][ T73] netlink_unicast+0x449/0x710 [ 4836.435007][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.435007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.435007][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.435007][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.435007][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.435007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.435007][ T73] [ 4836.437240][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4836.437240][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.437240][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.437240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.437240][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4836.437240][ T73] ipv6_add_addr+0x411/0x2000 [ 4836.437240][ T73] inet6_addr_add+0x30e/0xa40 [ 4836.437240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.437240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.437240][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.437240][ T73] netlink_unicast+0x449/0x710 [ 4836.437240][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.437240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.437240][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.437240][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.437240][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.437240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.437240][ T73] [ 4836.439476][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4836.439476][ T73] netdev_get_by_index+0x5e/0x80 [ 4836.439476][ T73] fib6_nh_init+0x3d8/0x1580 [ 4836.439476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4836.439476][ T73] ip6_route_add+0x1c/0x140 [ 4836.439476][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4836.439476][ T73] addrconf_add_dev+0xe2/0x170 [ 4836.439476][ T73] inet6_addr_add+0x12f/0xa40 [ 4836.439476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.439476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.439476][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.439476][ T73] netlink_unicast+0x449/0x710 [ 4836.439476][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.439476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.439476][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.439476][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.439476][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.439476][ T73] [ 4836.441679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4836.441679][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4836.441679][ T73] ipv6_find_idev+0x102/0x170 [ 4836.441679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.441679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.441679][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.441679][ T73] netlink_unicast+0x449/0x710 [ 4836.441679][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.441679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.441679][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.441679][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.441679][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.441679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.441679][ T73] [ 4836.443448][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4836.443448][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4836.443448][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4836.443448][ T73] ipv6_find_idev+0x102/0x170 [ 4836.443448][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.443448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.443448][ T73] netlink_rcv_skb+0x130/0x360 [ 4836.443448][ T73] netlink_unicast+0x449/0x710 [ 4836.443448][ T73] netlink_sendmsg+0x723/0xbe0 [ 4836.443448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4836.443448][ T73] ___sys_sendmsg+0xee/0x170 [ 4836.443448][ T73] __sys_sendmsg+0xcd/0x170 [ 4836.443448][ T73] do_syscall_64+0xc6/0x1e0 [ 4836.443448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.443448][ T73] [ 4846.686960][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4846.687422][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.687422][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4846.687422][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4846.687422][ T73] fib6_nh_init+0xa22/0x1580 [ 4846.687422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.687422][ T73] ip6_route_add+0x1c/0x140 [ 4846.687422][ T73] inet6_rtm_newroute+0x104/0x110 [ 4846.687422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.687422][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.687422][ T73] netlink_unicast+0x449/0x710 [ 4846.687422][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.687422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.687422][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.687422][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.687422][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.687422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.687422][ T73] [ 4846.689309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.689309][ T73] dst_init+0x84/0x4a0 [ 4846.689309][ T73] dst_alloc+0x97/0x150 [ 4846.689309][ T73] ip6_dst_alloc+0x23/0x90 [ 4846.689309][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4846.689309][ T73] ip6_pol_route+0x56f/0x840 [ 4846.689309][ T73] fib6_rule_lookup+0x456/0x630 [ 4846.689309][ T73] ip6_route_input+0x59c/0xa50 [ 4846.689309][ T73] ipv6_rcv+0x397/0x810 [ 4846.689309][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4846.689309][ T73] process_backlog+0x101/0x620 [ 4846.689309][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4846.689309][ T73] net_rx_action+0x495/0xbe0 [ 4846.689309][ T73] __do_softirq+0x1b5/0x7f6 [ 4846.689309][ T73] [ 4846.690934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.690934][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.690934][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.690934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.690934][ T73] ip6_route_add+0x1c/0x140 [ 4846.690934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4846.690934][ T73] inet6_addr_add+0x4f8/0xa40 [ 4846.690934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.690934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.690934][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.690934][ T73] netlink_unicast+0x449/0x710 [ 4846.690934][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.690934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.690934][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.690934][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.690934][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.690934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.690934][ T73] [ 4846.692917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.692917][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.692917][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.692917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.692917][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4846.692917][ T73] ipv6_add_addr+0x411/0x2000 [ 4846.692917][ T73] inet6_addr_add+0x30e/0xa40 [ 4846.692917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.692917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.692917][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.692917][ T73] netlink_unicast+0x449/0x710 [ 4846.692917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.692917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.692917][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.692917][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.692917][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.692917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.692917][ T73] [ 4846.694903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.694903][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.694903][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.694903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.694903][ T73] ip6_route_add+0x1c/0x140 [ 4846.694903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4846.694903][ T73] addrconf_add_dev+0xe2/0x170 [ 4846.694903][ T73] inet6_addr_add+0x12f/0xa40 [ 4846.694903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.694903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.694903][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.694903][ T73] netlink_unicast+0x449/0x710 [ 4846.694903][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.694903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.694903][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.694903][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.694903][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.694903][ T73] [ 4846.696856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.696856][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4846.696856][ T73] ipv6_find_idev+0x102/0x170 [ 4846.696856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.696856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.696856][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.696856][ T73] netlink_unicast+0x449/0x710 [ 4846.696856][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.696856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.696856][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.696856][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.696856][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.696856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.696856][ T73] [ 4846.698398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4846.698398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4846.698398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4846.698398][ T73] ipv6_find_idev+0x102/0x170 [ 4846.698398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.698398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.698398][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.698398][ T73] netlink_unicast+0x449/0x710 [ 4846.698398][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.698398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.698398][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.698398][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.698398][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.698398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.698398][ T73] [ 4846.700079][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4846.700345][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.700345][ T73] dst_init+0x84/0x4a0 [ 4846.700345][ T73] dst_alloc+0x97/0x150 [ 4846.700345][ T73] ip6_dst_alloc+0x23/0x90 [ 4846.700345][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4846.700345][ T73] ip6_pol_route+0x56f/0x840 [ 4846.700345][ T73] fib6_rule_lookup+0x456/0x630 [ 4846.700345][ T73] ip6_route_input+0x59c/0xa50 [ 4846.700345][ T73] ipv6_rcv+0x397/0x810 [ 4846.700345][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4846.700345][ T73] process_backlog+0x101/0x620 [ 4846.700345][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4846.700345][ T73] net_rx_action+0x495/0xbe0 [ 4846.700345][ T73] __do_softirq+0x1b5/0x7f6 [ 4846.700345][ T73] [ 4846.701970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.701970][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.701970][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.701970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.701970][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4846.701970][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4846.701970][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4846.701970][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4846.701970][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4846.701970][ T73] addrconf_dad_begin+0x310/0x670 [ 4846.701970][ T73] addrconf_dad_work+0x10b/0xab0 [ 4846.701970][ T73] process_one_work+0x84d/0x18a0 [ 4846.701970][ T73] worker_thread+0x587/0xd30 [ 4846.701970][ T73] kthread+0x28a/0x350 [ 4846.701970][ T73] ret_from_fork+0x31/0x70 [ 4846.701970][ T73] ret_from_fork_asm+0x1a/0x30 [ 4846.701970][ T73] [ 4846.704245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.704245][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.704245][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.704245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.704245][ T73] ip6_route_add+0x1c/0x140 [ 4846.704245][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4846.704245][ T73] inet6_addr_add+0x4f8/0xa40 [ 4846.704245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.704245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.704245][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.704245][ T73] netlink_unicast+0x449/0x710 [ 4846.704245][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.704245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.704245][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.704245][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.704245][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.704245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.704245][ T73] [ 4846.706225][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.706225][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.706225][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.706225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.706225][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4846.706225][ T73] ipv6_add_addr+0x411/0x2000 [ 4846.706225][ T73] inet6_addr_add+0x30e/0xa40 [ 4846.706225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.706225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.706225][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.706225][ T73] netlink_unicast+0x449/0x710 [ 4846.706225][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.706225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.706225][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.706225][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.706225][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.706225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.706225][ T73] [ 4846.708209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.708209][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.708209][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.708209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.708209][ T73] ip6_route_add+0x1c/0x140 [ 4846.708209][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4846.708209][ T73] addrconf_add_dev+0xe2/0x170 [ 4846.708209][ T73] inet6_addr_add+0x12f/0xa40 [ 4846.708209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.708209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.708209][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.708209][ T73] netlink_unicast+0x449/0x710 [ 4846.708209][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.708209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.708209][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.708209][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.708209][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.708209][ T73] [ 4846.710148][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.710148][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4846.710148][ T73] ipv6_find_idev+0x102/0x170 [ 4846.710148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.710148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.710148][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.710148][ T73] netlink_unicast+0x449/0x710 [ 4846.710148][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.710148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.710148][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.710148][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.710148][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.710148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.710148][ T73] [ 4846.711682][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4846.711682][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4846.711682][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4846.711682][ T73] ipv6_find_idev+0x102/0x170 [ 4846.711682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.711682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.711682][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.711682][ T73] netlink_unicast+0x449/0x710 [ 4846.711682][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.711682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.711682][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.711682][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.711682][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.711682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.711682][ T73] [ 4846.713468][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4846.713738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.713738][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4846.713738][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4846.713738][ T73] fib6_nh_init+0xa22/0x1580 [ 4846.713738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.713738][ T73] ip6_route_add+0x1c/0x140 [ 4846.713738][ T73] inet6_rtm_newroute+0x104/0x110 [ 4846.713738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.713738][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.713738][ T73] netlink_unicast+0x449/0x710 [ 4846.713738][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.713738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.713738][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.713738][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.713738][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.713738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.713738][ T73] [ 4846.715900][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.715900][ T73] dst_init+0x84/0x4a0 [ 4846.715900][ T73] dst_alloc+0x97/0x150 [ 4846.715900][ T73] ip6_dst_alloc+0x23/0x90 [ 4846.715900][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4846.715900][ T73] ip6_pol_route+0x56f/0x840 [ 4846.715900][ T73] fib6_rule_lookup+0x456/0x630 [ 4846.715900][ T73] ip6_route_input+0x59c/0xa50 [ 4846.715900][ T73] ipv6_rcv+0x397/0x810 [ 4846.715900][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4846.715900][ T73] process_backlog+0x101/0x620 [ 4846.715900][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4846.715900][ T73] net_rx_action+0x495/0xbe0 [ 4846.715900][ T73] __do_softirq+0x1b5/0x7f6 [ 4846.715900][ T73] [ 4846.717702][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.717702][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.717702][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.717702][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.717702][ T73] ip6_route_add+0x1c/0x140 [ 4846.717702][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4846.717702][ T73] inet6_addr_add+0x4f8/0xa40 [ 4846.717702][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.717702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.717702][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.717702][ T73] netlink_unicast+0x449/0x710 [ 4846.717702][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.717702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.717702][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.717702][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.717702][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.717702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.717702][ T73] [ 4846.719859][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.719859][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.719859][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.719859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.719859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4846.719859][ T73] ipv6_add_addr+0x411/0x2000 [ 4846.719859][ T73] inet6_addr_add+0x30e/0xa40 [ 4846.719859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.719859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.719859][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.719859][ T73] netlink_unicast+0x449/0x710 [ 4846.719859][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.719859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.719859][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.719859][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.719859][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.719859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.719859][ T73] [ 4846.722017][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.722017][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.722017][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.722017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.722017][ T73] ip6_route_add+0x1c/0x140 [ 4846.722017][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4846.722017][ T73] addrconf_add_dev+0xe2/0x170 [ 4846.722017][ T73] inet6_addr_add+0x12f/0xa40 [ 4846.722017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.722017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.722017][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.722017][ T73] netlink_unicast+0x449/0x710 [ 4846.722017][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.722017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.722017][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.722017][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.722017][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.722017][ T73] [ 4846.724259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.724259][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4846.724259][ T73] ipv6_find_idev+0x102/0x170 [ 4846.724259][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.724259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.724259][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.724259][ T73] netlink_unicast+0x449/0x710 [ 4846.724259][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.724259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.724259][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.724259][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.724259][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.724259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.724259][ T73] [ 4846.725960][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4846.725960][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4846.725960][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4846.725960][ T73] ipv6_find_idev+0x102/0x170 [ 4846.725960][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.725960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.725960][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.725960][ T73] netlink_unicast+0x449/0x710 [ 4846.725960][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.725960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.725960][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.725960][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.725960][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.725960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.725960][ T73] [ 4846.727821][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4846.728162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4846.728162][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.728162][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.728162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.728162][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4846.728162][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4846.728162][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4846.728162][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4846.728162][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4846.728162][ T73] addrconf_dad_begin+0x310/0x670 [ 4846.728162][ T73] addrconf_dad_work+0x10b/0xab0 [ 4846.728162][ T73] process_one_work+0x84d/0x18a0 [ 4846.728162][ T73] worker_thread+0x587/0xd30 [ 4846.728162][ T73] kthread+0x28a/0x350 [ 4846.728162][ T73] ret_from_fork+0x31/0x70 [ 4846.728162][ T73] ret_from_fork_asm+0x1a/0x30 [ 4846.728162][ T73] [ 4846.730236][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4846.730236][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.730236][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.730236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.730236][ T73] ip6_route_add+0x1c/0x140 [ 4846.730236][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4846.730236][ T73] inet6_addr_add+0x4f8/0xa40 [ 4846.730236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.730236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.730236][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.730236][ T73] netlink_unicast+0x449/0x710 [ 4846.730236][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.730236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.730236][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.730236][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.730236][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.730236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.730236][ T73] [ 4846.732455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4846.732455][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.732455][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.732455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.732455][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4846.732455][ T73] ipv6_add_addr+0x411/0x2000 [ 4846.732455][ T73] inet6_addr_add+0x30e/0xa40 [ 4846.732455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.732455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.732455][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.732455][ T73] netlink_unicast+0x449/0x710 [ 4846.732455][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.732455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.732455][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.732455][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.732455][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.732455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.732455][ T73] [ 4846.734731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4846.734731][ T73] netdev_get_by_index+0x5e/0x80 [ 4846.734731][ T73] fib6_nh_init+0x3d8/0x1580 [ 4846.734731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4846.734731][ T73] ip6_route_add+0x1c/0x140 [ 4846.734731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4846.734731][ T73] addrconf_add_dev+0xe2/0x170 [ 4846.734731][ T73] inet6_addr_add+0x12f/0xa40 [ 4846.734731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.734731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.734731][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.734731][ T73] netlink_unicast+0x449/0x710 [ 4846.734731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.734731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.734731][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.734731][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.734731][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.734731][ T73] [ 4846.736917][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4846.736917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4846.736917][ T73] ipv6_find_idev+0x102/0x170 [ 4846.736917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.736917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.736917][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.736917][ T73] netlink_unicast+0x449/0x710 [ 4846.736917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.736917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.736917][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.736917][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.736917][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.736917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.736917][ T73] [ 4846.738630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4846.738630][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4846.738630][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4846.738630][ T73] ipv6_find_idev+0x102/0x170 [ 4846.738630][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.738630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.738630][ T73] netlink_rcv_skb+0x130/0x360 [ 4846.738630][ T73] netlink_unicast+0x449/0x710 [ 4846.738630][ T73] netlink_sendmsg+0x723/0xbe0 [ 4846.738630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4846.738630][ T73] ___sys_sendmsg+0xee/0x170 [ 4846.738630][ T73] __sys_sendmsg+0xcd/0x170 [ 4846.738630][ T73] do_syscall_64+0xc6/0x1e0 [ 4846.738630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.738630][ T73] [ 4856.982911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4856.983413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.983413][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4856.983413][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4856.983413][ T73] fib6_nh_init+0xa22/0x1580 [ 4856.983413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4856.983413][ T73] ip6_route_add+0x1c/0x140 [ 4856.983413][ T73] inet6_rtm_newroute+0x104/0x110 [ 4856.983413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.983413][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.983413][ T73] netlink_unicast+0x449/0x710 [ 4856.983413][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.983413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.983413][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.983413][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.983413][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.983413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.983413][ T73] [ 4856.985283][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.985283][ T73] dst_init+0x84/0x4a0 [ 4856.985283][ T73] dst_alloc+0x97/0x150 [ 4856.985283][ T73] ip6_dst_alloc+0x23/0x90 [ 4856.985283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4856.985283][ T73] ip6_pol_route+0x56f/0x840 [ 4856.985283][ T73] fib6_rule_lookup+0x456/0x630 [ 4856.985283][ T73] ip6_route_input+0x59c/0xa50 [ 4856.985283][ T73] ipv6_rcv+0x397/0x810 [ 4856.985283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4856.985283][ T73] process_backlog+0x101/0x620 [ 4856.985283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4856.985283][ T73] net_rx_action+0x495/0xbe0 [ 4856.985283][ T73] __do_softirq+0x1b5/0x7f6 [ 4856.985283][ T73] [ 4856.986901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.986901][ T73] netdev_get_by_index+0x5e/0x80 [ 4856.986901][ T73] fib6_nh_init+0x3d8/0x1580 [ 4856.986901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4856.986901][ T73] ip6_route_add+0x1c/0x140 [ 4856.986901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4856.986901][ T73] inet6_addr_add+0x4f8/0xa40 [ 4856.986901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.986901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.986901][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.986901][ T73] netlink_unicast+0x449/0x710 [ 4856.986901][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.986901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.986901][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.986901][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.986901][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.986901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.986901][ T73] [ 4856.988901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.988901][ T73] netdev_get_by_index+0x5e/0x80 [ 4856.988901][ T73] fib6_nh_init+0x3d8/0x1580 [ 4856.988901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4856.988901][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4856.988901][ T73] ipv6_add_addr+0x411/0x2000 [ 4856.988901][ T73] inet6_addr_add+0x30e/0xa40 [ 4856.988901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.988901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.988901][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.988901][ T73] netlink_unicast+0x449/0x710 [ 4856.988901][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.988901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.988901][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.988901][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.988901][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.988901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.988901][ T73] [ 4856.990877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.990877][ T73] netdev_get_by_index+0x5e/0x80 [ 4856.990877][ T73] fib6_nh_init+0x3d8/0x1580 [ 4856.990877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4856.990877][ T73] ip6_route_add+0x1c/0x140 [ 4856.990877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4856.990877][ T73] addrconf_add_dev+0xe2/0x170 [ 4856.990877][ T73] inet6_addr_add+0x12f/0xa40 [ 4856.990877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.990877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.990877][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.990877][ T73] netlink_unicast+0x449/0x710 [ 4856.990877][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.990877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.990877][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.990877][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.990877][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.990877][ T73] [ 4856.992819][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.992819][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4856.992819][ T73] ipv6_find_idev+0x102/0x170 [ 4856.992819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.992819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.992819][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.992819][ T73] netlink_unicast+0x449/0x710 [ 4856.992819][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.992819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.992819][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.992819][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.992819][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.992819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.992819][ T73] [ 4856.994343][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4856.994343][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4856.994343][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4856.994343][ T73] ipv6_find_idev+0x102/0x170 [ 4856.994343][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.994343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.994343][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.994343][ T73] netlink_unicast+0x449/0x710 [ 4856.994343][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.994343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.994343][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.994343][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.994343][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.994343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.994343][ T73] [ 4856.996023][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4856.996284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4856.996284][ T73] dst_init+0x84/0x4a0 [ 4856.996284][ T73] dst_alloc+0x97/0x150 [ 4856.996284][ T73] ip6_dst_alloc+0x23/0x90 [ 4856.996284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4856.996284][ T73] ip6_pol_route+0x56f/0x840 [ 4856.996284][ T73] fib6_rule_lookup+0x456/0x630 [ 4856.996284][ T73] ip6_route_input+0x59c/0xa50 [ 4856.996284][ T73] ipv6_rcv+0x397/0x810 [ 4856.996284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4856.996284][ T73] process_backlog+0x101/0x620 [ 4856.996284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4856.996284][ T73] net_rx_action+0x495/0xbe0 [ 4856.996284][ T73] __do_softirq+0x1b5/0x7f6 [ 4856.996284][ T73] [ 4856.997912][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4856.997912][ T73] netdev_get_by_index+0x5e/0x80 [ 4856.997912][ T73] fib6_nh_init+0x3d8/0x1580 [ 4856.997912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4856.997912][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4856.997912][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4856.997912][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4856.997912][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4856.997912][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4856.997912][ T73] addrconf_dad_begin+0x310/0x670 [ 4856.997912][ T73] addrconf_dad_work+0x10b/0xab0 [ 4856.997912][ T73] process_one_work+0x84d/0x18a0 [ 4856.997912][ T73] worker_thread+0x587/0xd30 [ 4856.997912][ T73] kthread+0x28a/0x350 [ 4856.997912][ T73] ret_from_fork+0x31/0x70 [ 4856.997912][ T73] ret_from_fork_asm+0x1a/0x30 [ 4856.997912][ T73] [ 4856.999880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4856.999880][ T73] netdev_get_by_index+0x5e/0x80 [ 4856.999880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4856.999880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4856.999880][ T73] ip6_route_add+0x1c/0x140 [ 4856.999880][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4856.999880][ T73] inet6_addr_add+0x4f8/0xa40 [ 4856.999880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.999880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.999880][ T73] netlink_rcv_skb+0x130/0x360 [ 4856.999880][ T73] netlink_unicast+0x449/0x710 [ 4856.999880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4856.999880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4856.999880][ T73] ___sys_sendmsg+0xee/0x170 [ 4856.999880][ T73] __sys_sendmsg+0xcd/0x170 [ 4856.999880][ T73] do_syscall_64+0xc6/0x1e0 [ 4856.999880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.999880][ T73] [ 4857.001858][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4857.001858][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.001858][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.001858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.001858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4857.001858][ T73] ipv6_add_addr+0x411/0x2000 [ 4857.001858][ T73] inet6_addr_add+0x30e/0xa40 [ 4857.001858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.001858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.001858][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.001858][ T73] netlink_unicast+0x449/0x710 [ 4857.001858][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.001858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.001858][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.001858][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.001858][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.001858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.001858][ T73] [ 4857.003833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4857.003833][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.003833][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.003833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.003833][ T73] ip6_route_add+0x1c/0x140 [ 4857.003833][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4857.003833][ T73] addrconf_add_dev+0xe2/0x170 [ 4857.003833][ T73] inet6_addr_add+0x12f/0xa40 [ 4857.003833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.003833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.003833][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.003833][ T73] netlink_unicast+0x449/0x710 [ 4857.003833][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.003833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.003833][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.003833][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.003833][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.003833][ T73] [ 4857.005773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4857.005773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4857.005773][ T73] ipv6_find_idev+0x102/0x170 [ 4857.005773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4857.005773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.005773][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.005773][ T73] netlink_unicast+0x449/0x710 [ 4857.005773][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.005773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.005773][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.005773][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.005773][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.005773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.005773][ T73] [ 4857.007836][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4857.007836][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4857.007836][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4857.007836][ T73] ipv6_find_idev+0x102/0x170 [ 4857.007836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4857.007836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.007836][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.007836][ T73] netlink_unicast+0x449/0x710 [ 4857.007836][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.007836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.007836][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.007836][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.007836][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.007836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.007836][ T73] [ 4857.009621][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4857.009894][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.009894][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4857.009894][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4857.009894][ T73] fib6_nh_init+0xa22/0x1580 [ 4857.009894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.009894][ T73] ip6_route_add+0x1c/0x140 [ 4857.009894][ T73] inet6_rtm_newroute+0x104/0x110 [ 4857.009894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.009894][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.009894][ T73] netlink_unicast+0x449/0x710 [ 4857.009894][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.009894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.009894][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.009894][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.009894][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.009894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.009894][ T73] [ 4857.012053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.012053][ T73] dst_init+0x84/0x4a0 [ 4857.012053][ T73] dst_alloc+0x97/0x150 [ 4857.012053][ T73] ip6_dst_alloc+0x23/0x90 [ 4857.012053][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4857.012053][ T73] ip6_pol_route+0x56f/0x840 [ 4857.012053][ T73] fib6_rule_lookup+0x456/0x630 [ 4857.012053][ T73] ip6_route_input+0x59c/0xa50 [ 4857.012053][ T73] ipv6_rcv+0x397/0x810 [ 4857.012053][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4857.012053][ T73] process_backlog+0x101/0x620 [ 4857.012053][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4857.012053][ T73] net_rx_action+0x495/0xbe0 [ 4857.012053][ T73] __do_softirq+0x1b5/0x7f6 [ 4857.012053][ T73] [ 4857.013849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.013849][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.013849][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.013849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.013849][ T73] ip6_route_add+0x1c/0x140 [ 4857.013849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4857.013849][ T73] inet6_addr_add+0x4f8/0xa40 [ 4857.013849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.013849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.013849][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.013849][ T73] netlink_unicast+0x449/0x710 [ 4857.013849][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.013849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.013849][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.013849][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.013849][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.013849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.013849][ T73] [ 4857.016001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.016001][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.016001][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.016001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.016001][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4857.016001][ T73] ipv6_add_addr+0x411/0x2000 [ 4857.016001][ T73] inet6_addr_add+0x30e/0xa40 [ 4857.016001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.016001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.016001][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.016001][ T73] netlink_unicast+0x449/0x710 [ 4857.016001][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.016001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.016001][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.016001][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.016001][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.016001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.016001][ T73] [ 4857.018252][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.018252][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.018252][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.018252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.018252][ T73] ip6_route_add+0x1c/0x140 [ 4857.018252][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4857.018252][ T73] addrconf_add_dev+0xe2/0x170 [ 4857.018252][ T73] inet6_addr_add+0x12f/0xa40 [ 4857.018252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.018252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.018252][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.018252][ T73] netlink_unicast+0x449/0x710 [ 4857.018252][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.018252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.018252][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.018252][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.018252][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.018252][ T73] [ 4857.020446][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.020446][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4857.020446][ T73] ipv6_find_idev+0x102/0x170 [ 4857.020446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4857.020446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.020446][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.020446][ T73] netlink_unicast+0x449/0x710 [ 4857.020446][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.020446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.020446][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.020446][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.020446][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.020446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.020446][ T73] [ 4857.022526][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4857.022526][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4857.022526][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4857.022526][ T73] ipv6_find_idev+0x102/0x170 [ 4857.022526][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4857.022526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.022526][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.022526][ T73] netlink_unicast+0x449/0x710 [ 4857.022526][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.022526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.022526][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.022526][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.022526][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.022526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.022526][ T73] [ 4857.024374][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4857.024702][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4857.024702][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.024702][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.024702][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.024702][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4857.024702][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4857.024702][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4857.024702][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4857.024702][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4857.024702][ T73] addrconf_dad_begin+0x310/0x670 [ 4857.024702][ T73] addrconf_dad_work+0x10b/0xab0 [ 4857.024702][ T73] process_one_work+0x84d/0x18a0 [ 4857.024702][ T73] worker_thread+0x587/0xd30 [ 4857.024702][ T73] kthread+0x28a/0x350 [ 4857.024702][ T73] ret_from_fork+0x31/0x70 [ 4857.024702][ T73] ret_from_fork_asm+0x1a/0x30 [ 4857.024702][ T73] [ 4857.026715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4857.026715][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.026715][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.026715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.026715][ T73] ip6_route_add+0x1c/0x140 [ 4857.026715][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4857.026715][ T73] inet6_addr_add+0x4f8/0xa40 [ 4857.026715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.026715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.026715][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.026715][ T73] netlink_unicast+0x449/0x710 [ 4857.026715][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.026715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.026715][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.026715][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.026715][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.026715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.026715][ T73] [ 4857.028938][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4857.028938][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.028938][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.028938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.028938][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4857.028938][ T73] ipv6_add_addr+0x411/0x2000 [ 4857.028938][ T73] inet6_addr_add+0x30e/0xa40 [ 4857.028938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.028938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.028938][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.028938][ T73] netlink_unicast+0x449/0x710 [ 4857.028938][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.028938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.028938][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.028938][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.028938][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.028938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.028938][ T73] [ 4857.031216][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4857.031216][ T73] netdev_get_by_index+0x5e/0x80 [ 4857.031216][ T73] fib6_nh_init+0x3d8/0x1580 [ 4857.031216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4857.031216][ T73] ip6_route_add+0x1c/0x140 [ 4857.031216][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4857.031216][ T73] addrconf_add_dev+0xe2/0x170 [ 4857.031216][ T73] inet6_addr_add+0x12f/0xa40 [ 4857.031216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4857.031216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.031216][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.031216][ T73] netlink_unicast+0x449/0x710 [ 4857.031216][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.031216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.031216][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.031216][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.031216][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.031216][ T73] [ 4857.033398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4857.033398][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4857.033398][ T73] ipv6_find_idev+0x102/0x170 [ 4857.033398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4857.033398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.033398][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.033398][ T73] netlink_unicast+0x449/0x710 [ 4857.033398][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.033398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.033398][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.033398][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.033398][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.033398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.033398][ T73] [ 4857.035098][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4857.035098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4857.035098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4857.035098][ T73] ipv6_find_idev+0x102/0x170 [ 4857.035098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4857.035098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4857.035098][ T73] netlink_rcv_skb+0x130/0x360 [ 4857.035098][ T73] netlink_unicast+0x449/0x710 [ 4857.035098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4857.035098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4857.035098][ T73] ___sys_sendmsg+0xee/0x170 [ 4857.035098][ T73] __sys_sendmsg+0xcd/0x170 [ 4857.035098][ T73] do_syscall_64+0xc6/0x1e0 [ 4857.035098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4857.035098][ T73] [ 4867.166908][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4867.167389][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.167389][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4867.167389][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4867.167389][ T73] fib6_nh_init+0xa22/0x1580 [ 4867.167389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.167389][ T73] ip6_route_add+0x1c/0x140 [ 4867.167389][ T73] inet6_rtm_newroute+0x104/0x110 [ 4867.167389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.167389][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.167389][ T73] netlink_unicast+0x449/0x710 [ 4867.167389][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.167389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.167389][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.167389][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.167389][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.167389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.167389][ T73] [ 4867.169282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.169282][ T73] dst_init+0x84/0x4a0 [ 4867.169282][ T73] dst_alloc+0x97/0x150 [ 4867.169282][ T73] ip6_dst_alloc+0x23/0x90 [ 4867.169282][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4867.169282][ T73] ip6_pol_route+0x56f/0x840 [ 4867.169282][ T73] fib6_rule_lookup+0x456/0x630 [ 4867.169282][ T73] ip6_route_input+0x59c/0xa50 [ 4867.169282][ T73] ipv6_rcv+0x397/0x810 [ 4867.169282][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4867.169282][ T73] process_backlog+0x101/0x620 [ 4867.169282][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4867.169282][ T73] net_rx_action+0x495/0xbe0 [ 4867.169282][ T73] __do_softirq+0x1b5/0x7f6 [ 4867.169282][ T73] [ 4867.170909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.170909][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.170909][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.170909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.170909][ T73] ip6_route_add+0x1c/0x140 [ 4867.170909][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4867.170909][ T73] inet6_addr_add+0x4f8/0xa40 [ 4867.170909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.170909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.170909][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.170909][ T73] netlink_unicast+0x449/0x710 [ 4867.170909][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.170909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.170909][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.170909][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.170909][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.170909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.170909][ T73] [ 4867.172894][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.172894][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.172894][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.172894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.172894][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4867.172894][ T73] ipv6_add_addr+0x411/0x2000 [ 4867.172894][ T73] inet6_addr_add+0x30e/0xa40 [ 4867.172894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.172894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.172894][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.172894][ T73] netlink_unicast+0x449/0x710 [ 4867.172894][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.172894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.172894][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.172894][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.172894][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.172894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.172894][ T73] [ 4867.174876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.174876][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.174876][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.174876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.174876][ T73] ip6_route_add+0x1c/0x140 [ 4867.174876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4867.174876][ T73] addrconf_add_dev+0xe2/0x170 [ 4867.174876][ T73] inet6_addr_add+0x12f/0xa40 [ 4867.174876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.174876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.174876][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.174876][ T73] netlink_unicast+0x449/0x710 [ 4867.174876][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.174876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.174876][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.174876][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.174876][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.174876][ T73] [ 4867.176842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.176842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4867.176842][ T73] ipv6_find_idev+0x102/0x170 [ 4867.176842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.176842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.176842][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.176842][ T73] netlink_unicast+0x449/0x710 [ 4867.176842][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.176842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.176842][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.176842][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.176842][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.176842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.176842][ T73] [ 4867.178390][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4867.178390][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4867.178390][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4867.178390][ T73] ipv6_find_idev+0x102/0x170 [ 4867.178390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.178390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.178390][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.178390][ T73] netlink_unicast+0x449/0x710 [ 4867.178390][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.178390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.178390][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.178390][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.178390][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.178390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.178390][ T73] [ 4867.180070][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4867.180343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.180343][ T73] dst_init+0x84/0x4a0 [ 4867.180343][ T73] dst_alloc+0x97/0x150 [ 4867.180343][ T73] ip6_dst_alloc+0x23/0x90 [ 4867.180343][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4867.180343][ T73] ip6_pol_route+0x56f/0x840 [ 4867.180343][ T73] fib6_rule_lookup+0x456/0x630 [ 4867.180343][ T73] ip6_route_input+0x59c/0xa50 [ 4867.180343][ T73] ipv6_rcv+0x397/0x810 [ 4867.180343][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4867.180343][ T73] process_backlog+0x101/0x620 [ 4867.180343][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4867.180343][ T73] net_rx_action+0x495/0xbe0 [ 4867.180343][ T73] __do_softirq+0x1b5/0x7f6 [ 4867.180343][ T73] [ 4867.181967][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.181967][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.181967][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.181967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.181967][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4867.181967][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4867.181967][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4867.181967][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4867.181967][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4867.181967][ T73] addrconf_dad_begin+0x310/0x670 [ 4867.181967][ T73] addrconf_dad_work+0x10b/0xab0 [ 4867.181967][ T73] process_one_work+0x84d/0x18a0 [ 4867.181967][ T73] worker_thread+0x587/0xd30 [ 4867.181967][ T73] kthread+0x28a/0x350 [ 4867.181967][ T73] ret_from_fork+0x31/0x70 [ 4867.181967][ T73] ret_from_fork_asm+0x1a/0x30 [ 4867.181967][ T73] [ 4867.183865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.183865][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.183865][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.183865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.183865][ T73] ip6_route_add+0x1c/0x140 [ 4867.183865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4867.183865][ T73] inet6_addr_add+0x4f8/0xa40 [ 4867.183865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.183865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.183865][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.183865][ T73] netlink_unicast+0x449/0x710 [ 4867.183865][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.183865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.183865][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.183865][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.183865][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.183865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.183865][ T73] [ 4867.186231][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.186231][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.186231][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.186231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.186231][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4867.186231][ T73] ipv6_add_addr+0x411/0x2000 [ 4867.186231][ T73] inet6_addr_add+0x30e/0xa40 [ 4867.186231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.186231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.186231][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.186231][ T73] netlink_unicast+0x449/0x710 [ 4867.186231][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.186231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.186231][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.186231][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.186231][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.186231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.186231][ T73] [ 4867.188215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.188215][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.188215][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.188215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.188215][ T73] ip6_route_add+0x1c/0x140 [ 4867.188215][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4867.188215][ T73] addrconf_add_dev+0xe2/0x170 [ 4867.188215][ T73] inet6_addr_add+0x12f/0xa40 [ 4867.188215][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.188215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.188215][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.188215][ T73] netlink_unicast+0x449/0x710 [ 4867.188215][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.188215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.188215][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.188215][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.188215][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.188215][ T73] [ 4867.190157][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.190157][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4867.190157][ T73] ipv6_find_idev+0x102/0x170 [ 4867.190157][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.190157][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.190157][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.190157][ T73] netlink_unicast+0x449/0x710 [ 4867.190157][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.190157][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.190157][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.190157][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.190157][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.190157][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.190157][ T73] [ 4867.191679][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4867.191679][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4867.191679][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4867.191679][ T73] ipv6_find_idev+0x102/0x170 [ 4867.191679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.191679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.191679][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.191679][ T73] netlink_unicast+0x449/0x710 [ 4867.191679][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.191679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.191679][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.191679][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.191679][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.191679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.191679][ T73] [ 4867.193462][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4867.193790][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.193790][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4867.193790][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4867.193790][ T73] fib6_nh_init+0xa22/0x1580 [ 4867.193790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.193790][ T73] ip6_route_add+0x1c/0x140 [ 4867.193790][ T73] inet6_rtm_newroute+0x104/0x110 [ 4867.193790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.193790][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.193790][ T73] netlink_unicast+0x449/0x710 [ 4867.193790][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.193790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.193790][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.193790][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.193790][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.193790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.193790][ T73] [ 4867.195893][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.195893][ T73] dst_init+0x84/0x4a0 [ 4867.195893][ T73] dst_alloc+0x97/0x150 [ 4867.195893][ T73] ip6_dst_alloc+0x23/0x90 [ 4867.195893][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4867.195893][ T73] ip6_pol_route+0x56f/0x840 [ 4867.195893][ T73] fib6_rule_lookup+0x456/0x630 [ 4867.195893][ T73] ip6_route_input+0x59c/0xa50 [ 4867.195893][ T73] ipv6_rcv+0x397/0x810 [ 4867.195893][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4867.195893][ T73] process_backlog+0x101/0x620 [ 4867.195893][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4867.195893][ T73] net_rx_action+0x495/0xbe0 [ 4867.195893][ T73] __do_softirq+0x1b5/0x7f6 [ 4867.195893][ T73] [ 4867.197693][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.197693][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.197693][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.197693][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.197693][ T73] ip6_route_add+0x1c/0x140 [ 4867.197693][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4867.197693][ T73] inet6_addr_add+0x4f8/0xa40 [ 4867.197693][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.197693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.197693][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.197693][ T73] netlink_unicast+0x449/0x710 [ 4867.197693][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.197693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.197693][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.197693][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.197693][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.197693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.197693][ T73] [ 4867.199926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.199926][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.199926][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.199926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.199926][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4867.199926][ T73] ipv6_add_addr+0x411/0x2000 [ 4867.199926][ T73] inet6_addr_add+0x30e/0xa40 [ 4867.199926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.199926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.199926][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.199926][ T73] netlink_unicast+0x449/0x710 [ 4867.199926][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.199926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.199926][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.199926][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.199926][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.199926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.199926][ T73] [ 4867.202105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.202105][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.202105][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.202105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.202105][ T73] ip6_route_add+0x1c/0x140 [ 4867.202105][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4867.202105][ T73] addrconf_add_dev+0xe2/0x170 [ 4867.202105][ T73] inet6_addr_add+0x12f/0xa40 [ 4867.202105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.202105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.202105][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.202105][ T73] netlink_unicast+0x449/0x710 [ 4867.202105][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.202105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.202105][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.202105][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.202105][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.202105][ T73] [ 4867.204358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.204358][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4867.204358][ T73] ipv6_find_idev+0x102/0x170 [ 4867.204358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.204358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.204358][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.204358][ T73] netlink_unicast+0x449/0x710 [ 4867.204358][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.204358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.204358][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.204358][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.204358][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.204358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.204358][ T73] [ 4867.206067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4867.206067][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4867.206067][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4867.206067][ T73] ipv6_find_idev+0x102/0x170 [ 4867.206067][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.206067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.206067][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.206067][ T73] netlink_unicast+0x449/0x710 [ 4867.206067][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.206067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.206067][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.206067][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.206067][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.206067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.206067][ T73] [ 4867.207915][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4867.208187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4867.208187][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.208187][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.208187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.208187][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4867.208187][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4867.208187][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4867.208187][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4867.208187][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4867.208187][ T73] addrconf_dad_begin+0x310/0x670 [ 4867.208187][ T73] addrconf_dad_work+0x10b/0xab0 [ 4867.208187][ T73] process_one_work+0x84d/0x18a0 [ 4867.208187][ T73] worker_thread+0x587/0xd30 [ 4867.208187][ T73] kthread+0x28a/0x350 [ 4867.208187][ T73] ret_from_fork+0x31/0x70 [ 4867.208187][ T73] ret_from_fork_asm+0x1a/0x30 [ 4867.208187][ T73] [ 4867.210324][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4867.210324][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.210324][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.210324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.210324][ T73] ip6_route_add+0x1c/0x140 [ 4867.210324][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4867.210324][ T73] inet6_addr_add+0x4f8/0xa40 [ 4867.210324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.210324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.210324][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.210324][ T73] netlink_unicast+0x449/0x710 [ 4867.210324][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.210324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.210324][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.210324][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.210324][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.210324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.210324][ T73] [ 4867.212550][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4867.212550][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.212550][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.212550][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.212550][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4867.212550][ T73] ipv6_add_addr+0x411/0x2000 [ 4867.212550][ T73] inet6_addr_add+0x30e/0xa40 [ 4867.212550][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.212550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.212550][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.212550][ T73] netlink_unicast+0x449/0x710 [ 4867.212550][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.212550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.212550][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.212550][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.212550][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.212550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.212550][ T73] [ 4867.214829][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4867.214829][ T73] netdev_get_by_index+0x5e/0x80 [ 4867.214829][ T73] fib6_nh_init+0x3d8/0x1580 [ 4867.214829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4867.214829][ T73] ip6_route_add+0x1c/0x140 [ 4867.214829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4867.214829][ T73] addrconf_add_dev+0xe2/0x170 [ 4867.214829][ T73] inet6_addr_add+0x12f/0xa40 [ 4867.214829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4867.214829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.214829][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.214829][ T73] netlink_unicast+0x449/0x710 [ 4867.214829][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.214829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.214829][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.214829][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.214829][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.214829][ T73] [ 4867.216953][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4867.216953][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4867.216953][ T73] ipv6_find_idev+0x102/0x170 [ 4867.216953][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.216953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.216953][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.216953][ T73] netlink_unicast+0x449/0x710 [ 4867.216953][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.216953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.216953][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.216953][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.216953][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.216953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.216953][ T73] [ 4867.218666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4867.218666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4867.218666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4867.218666][ T73] ipv6_find_idev+0x102/0x170 [ 4867.218666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4867.218666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4867.218666][ T73] netlink_rcv_skb+0x130/0x360 [ 4867.218666][ T73] netlink_unicast+0x449/0x710 [ 4867.218666][ T73] netlink_sendmsg+0x723/0xbe0 [ 4867.218666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4867.218666][ T73] ___sys_sendmsg+0xee/0x170 [ 4867.218666][ T73] __sys_sendmsg+0xcd/0x170 [ 4867.218666][ T73] do_syscall_64+0xc6/0x1e0 [ 4867.218666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4867.218666][ T73] [ 4877.423028][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4877.423480][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.423480][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4877.423480][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4877.423480][ T73] fib6_nh_init+0xa22/0x1580 [ 4877.423480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.423480][ T73] ip6_route_add+0x1c/0x140 [ 4877.423480][ T73] inet6_rtm_newroute+0x104/0x110 [ 4877.423480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.423480][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.423480][ T73] netlink_unicast+0x449/0x710 [ 4877.423480][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.423480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.423480][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.423480][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.423480][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.423480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.423480][ T73] [ 4877.425364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.425364][ T73] dst_init+0x84/0x4a0 [ 4877.425364][ T73] dst_alloc+0x97/0x150 [ 4877.425364][ T73] ip6_dst_alloc+0x23/0x90 [ 4877.425364][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4877.425364][ T73] ip6_pol_route+0x56f/0x840 [ 4877.425364][ T73] fib6_rule_lookup+0x456/0x630 [ 4877.425364][ T73] ip6_route_input+0x59c/0xa50 [ 4877.425364][ T73] ipv6_rcv+0x397/0x810 [ 4877.425364][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4877.425364][ T73] process_backlog+0x101/0x620 [ 4877.425364][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4877.425364][ T73] net_rx_action+0x495/0xbe0 [ 4877.425364][ T73] __do_softirq+0x1b5/0x7f6 [ 4877.425364][ T73] [ 4877.426991][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.426991][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.426991][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.426991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.426991][ T73] ip6_route_add+0x1c/0x140 [ 4877.426991][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4877.426991][ T73] inet6_addr_add+0x4f8/0xa40 [ 4877.426991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.426991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.426991][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.426991][ T73] netlink_unicast+0x449/0x710 [ 4877.426991][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.426991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.426991][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.426991][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.426991][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.426991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.426991][ T73] [ 4877.428988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.428988][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.428988][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.428988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.428988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4877.428988][ T73] ipv6_add_addr+0x411/0x2000 [ 4877.428988][ T73] inet6_addr_add+0x30e/0xa40 [ 4877.428988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.428988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.428988][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.428988][ T73] netlink_unicast+0x449/0x710 [ 4877.428988][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.428988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.428988][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.428988][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.428988][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.428988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.428988][ T73] [ 4877.430977][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.430977][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.430977][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.430977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.430977][ T73] ip6_route_add+0x1c/0x140 [ 4877.430977][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4877.430977][ T73] addrconf_add_dev+0xe2/0x170 [ 4877.430977][ T73] inet6_addr_add+0x12f/0xa40 [ 4877.430977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.430977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.430977][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.430977][ T73] netlink_unicast+0x449/0x710 [ 4877.430977][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.430977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.430977][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.430977][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.430977][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.430977][ T73] [ 4877.432929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.432929][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4877.432929][ T73] ipv6_find_idev+0x102/0x170 [ 4877.432929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.432929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.432929][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.432929][ T73] netlink_unicast+0x449/0x710 [ 4877.432929][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.432929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.432929][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.432929][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.432929][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.432929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.432929][ T73] [ 4877.434458][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4877.434458][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4877.434458][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4877.434458][ T73] ipv6_find_idev+0x102/0x170 [ 4877.434458][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.434458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.434458][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.434458][ T73] netlink_unicast+0x449/0x710 [ 4877.434458][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.434458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.434458][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.434458][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.434458][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.434458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.434458][ T73] [ 4877.436136][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4877.436402][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.436402][ T73] dst_init+0x84/0x4a0 [ 4877.436402][ T73] dst_alloc+0x97/0x150 [ 4877.436402][ T73] ip6_dst_alloc+0x23/0x90 [ 4877.436402][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4877.436402][ T73] ip6_pol_route+0x56f/0x840 [ 4877.436402][ T73] fib6_rule_lookup+0x456/0x630 [ 4877.436402][ T73] ip6_route_input+0x59c/0xa50 [ 4877.436402][ T73] ipv6_rcv+0x397/0x810 [ 4877.436402][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4877.436402][ T73] process_backlog+0x101/0x620 [ 4877.436402][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4877.436402][ T73] net_rx_action+0x495/0xbe0 [ 4877.436402][ T73] __do_softirq+0x1b5/0x7f6 [ 4877.436402][ T73] [ 4877.438033][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.438033][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.438033][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.438033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.438033][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4877.438033][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4877.438033][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4877.438033][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4877.438033][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4877.438033][ T73] addrconf_dad_begin+0x310/0x670 [ 4877.438033][ T73] addrconf_dad_work+0x10b/0xab0 [ 4877.438033][ T73] process_one_work+0x84d/0x18a0 [ 4877.438033][ T73] worker_thread+0x587/0xd30 [ 4877.438033][ T73] kthread+0x28a/0x350 [ 4877.438033][ T73] ret_from_fork+0x31/0x70 [ 4877.438033][ T73] ret_from_fork_asm+0x1a/0x30 [ 4877.438033][ T73] [ 4877.439928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.439928][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.439928][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.439928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.439928][ T73] ip6_route_add+0x1c/0x140 [ 4877.439928][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4877.439928][ T73] inet6_addr_add+0x4f8/0xa40 [ 4877.439928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.439928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.439928][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.439928][ T73] netlink_unicast+0x449/0x710 [ 4877.439928][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.439928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.439928][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.439928][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.439928][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.439928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.439928][ T73] [ 4877.441902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.441902][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.441902][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.441902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.441902][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4877.441902][ T73] ipv6_add_addr+0x411/0x2000 [ 4877.441902][ T73] inet6_addr_add+0x30e/0xa40 [ 4877.441902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.441902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.441902][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.441902][ T73] netlink_unicast+0x449/0x710 [ 4877.441902][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.441902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.441902][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.441902][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.441902][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.441902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.441902][ T73] [ 4877.443883][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.443883][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.443883][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.443883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.443883][ T73] ip6_route_add+0x1c/0x140 [ 4877.443883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4877.443883][ T73] addrconf_add_dev+0xe2/0x170 [ 4877.443883][ T73] inet6_addr_add+0x12f/0xa40 [ 4877.443883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.443883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.443883][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.443883][ T73] netlink_unicast+0x449/0x710 [ 4877.443883][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.443883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.443883][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.443883][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.443883][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.443883][ T73] [ 4877.445827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.445827][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4877.445827][ T73] ipv6_find_idev+0x102/0x170 [ 4877.445827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.445827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.445827][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.445827][ T73] netlink_unicast+0x449/0x710 [ 4877.445827][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.445827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.445827][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.445827][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.445827][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.445827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.445827][ T73] [ 4877.447352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4877.447352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4877.447352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4877.447352][ T73] ipv6_find_idev+0x102/0x170 [ 4877.447352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.447352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.447352][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.447352][ T73] netlink_unicast+0x449/0x710 [ 4877.447352][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.447352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.447352][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.447352][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.447352][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.447352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.447352][ T73] [ 4877.449670][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4877.450006][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.450006][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4877.450006][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4877.450006][ T73] fib6_nh_init+0xa22/0x1580 [ 4877.450006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.450006][ T73] ip6_route_add+0x1c/0x140 [ 4877.450006][ T73] inet6_rtm_newroute+0x104/0x110 [ 4877.450006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.450006][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.450006][ T73] netlink_unicast+0x449/0x710 [ 4877.450006][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.450006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.450006][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.450006][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.450006][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.450006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.450006][ T73] [ 4877.452043][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.452043][ T73] dst_init+0x84/0x4a0 [ 4877.452043][ T73] dst_alloc+0x97/0x150 [ 4877.452043][ T73] ip6_dst_alloc+0x23/0x90 [ 4877.452043][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4877.452043][ T73] ip6_pol_route+0x56f/0x840 [ 4877.452043][ T73] fib6_rule_lookup+0x456/0x630 [ 4877.452043][ T73] ip6_route_input+0x59c/0xa50 [ 4877.452043][ T73] ipv6_rcv+0x397/0x810 [ 4877.452043][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4877.452043][ T73] process_backlog+0x101/0x620 [ 4877.452043][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4877.452043][ T73] net_rx_action+0x495/0xbe0 [ 4877.452043][ T73] __do_softirq+0x1b5/0x7f6 [ 4877.452043][ T73] [ 4877.453843][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.453843][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.453843][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.453843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.453843][ T73] ip6_route_add+0x1c/0x140 [ 4877.453843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4877.453843][ T73] inet6_addr_add+0x4f8/0xa40 [ 4877.453843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.453843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.453843][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.453843][ T73] netlink_unicast+0x449/0x710 [ 4877.453843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.453843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.453843][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.453843][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.453843][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.453843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.453843][ T73] [ 4877.456453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.456453][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.456453][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.456453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.456453][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4877.456453][ T73] ipv6_add_addr+0x411/0x2000 [ 4877.456453][ T73] inet6_addr_add+0x30e/0xa40 [ 4877.456453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.456453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.456453][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.456453][ T73] netlink_unicast+0x449/0x710 [ 4877.456453][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.456453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.456453][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.456453][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.456453][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.456453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.456453][ T73] [ 4877.458586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.458586][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.458586][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.458586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.458586][ T73] ip6_route_add+0x1c/0x140 [ 4877.458586][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4877.458586][ T73] addrconf_add_dev+0xe2/0x170 [ 4877.458586][ T73] inet6_addr_add+0x12f/0xa40 [ 4877.458586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.458586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.458586][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.458586][ T73] netlink_unicast+0x449/0x710 [ 4877.458586][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.458586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.458586][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.458586][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.458586][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.458586][ T73] [ 4877.460655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.460655][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4877.460655][ T73] ipv6_find_idev+0x102/0x170 [ 4877.460655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.460655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.460655][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.460655][ T73] netlink_unicast+0x449/0x710 [ 4877.460655][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.460655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.460655][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.460655][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.460655][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.460655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.460655][ T73] [ 4877.462247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4877.462247][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4877.462247][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4877.462247][ T73] ipv6_find_idev+0x102/0x170 [ 4877.462247][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.462247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.462247][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.462247][ T73] netlink_unicast+0x449/0x710 [ 4877.462247][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.462247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.462247][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.462247][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.462247][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.462247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.462247][ T73] [ 4877.464104][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4877.464369][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4877.464369][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.464369][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.464369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.464369][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4877.464369][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4877.464369][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4877.464369][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4877.464369][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4877.464369][ T73] addrconf_dad_begin+0x310/0x670 [ 4877.464369][ T73] addrconf_dad_work+0x10b/0xab0 [ 4877.464369][ T73] process_one_work+0x84d/0x18a0 [ 4877.464369][ T73] worker_thread+0x587/0xd30 [ 4877.464369][ T73] kthread+0x28a/0x350 [ 4877.464369][ T73] ret_from_fork+0x31/0x70 [ 4877.464369][ T73] ret_from_fork_asm+0x1a/0x30 [ 4877.464369][ T73] [ 4877.466393][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4877.466393][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.466393][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.466393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.466393][ T73] ip6_route_add+0x1c/0x140 [ 4877.466393][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4877.466393][ T73] inet6_addr_add+0x4f8/0xa40 [ 4877.466393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.466393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.466393][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.466393][ T73] netlink_unicast+0x449/0x710 [ 4877.466393][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.466393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.466393][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.466393][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.466393][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.466393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.466393][ T73] [ 4877.468504][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4877.468504][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.468504][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.468504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.468504][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4877.468504][ T73] ipv6_add_addr+0x411/0x2000 [ 4877.468504][ T73] inet6_addr_add+0x30e/0xa40 [ 4877.468504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.468504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.468504][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.468504][ T73] netlink_unicast+0x449/0x710 [ 4877.468504][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.468504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.468504][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.468504][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.468504][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.468504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.468504][ T73] [ 4877.470617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4877.470617][ T73] netdev_get_by_index+0x5e/0x80 [ 4877.470617][ T73] fib6_nh_init+0x3d8/0x1580 [ 4877.470617][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4877.470617][ T73] ip6_route_add+0x1c/0x140 [ 4877.470617][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4877.470617][ T73] addrconf_add_dev+0xe2/0x170 [ 4877.470617][ T73] inet6_addr_add+0x12f/0xa40 [ 4877.470617][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4877.470617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.470617][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.470617][ T73] netlink_unicast+0x449/0x710 [ 4877.470617][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.470617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.470617][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.470617][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.470617][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.470617][ T73] [ 4877.472625][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4877.472625][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4877.472625][ T73] ipv6_find_idev+0x102/0x170 [ 4877.472625][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.472625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.472625][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.472625][ T73] netlink_unicast+0x449/0x710 [ 4877.472625][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.472625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.472625][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.472625][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.472625][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.472625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.472625][ T73] [ 4877.474337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4877.474337][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4877.474337][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4877.474337][ T73] ipv6_find_idev+0x102/0x170 [ 4877.474337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4877.474337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4877.474337][ T73] netlink_rcv_skb+0x130/0x360 [ 4877.474337][ T73] netlink_unicast+0x449/0x710 [ 4877.474337][ T73] netlink_sendmsg+0x723/0xbe0 [ 4877.474337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4877.474337][ T73] ___sys_sendmsg+0xee/0x170 [ 4877.474337][ T73] __sys_sendmsg+0xcd/0x170 [ 4877.474337][ T73] do_syscall_64+0xc6/0x1e0 [ 4877.474337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4877.474337][ T73] [ 4887.702944][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4887.703411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.703411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4887.703411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4887.703411][ T73] fib6_nh_init+0xa22/0x1580 [ 4887.703411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.703411][ T73] ip6_route_add+0x1c/0x140 [ 4887.703411][ T73] inet6_rtm_newroute+0x104/0x110 [ 4887.703411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.703411][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.703411][ T73] netlink_unicast+0x449/0x710 [ 4887.703411][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.703411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.703411][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.703411][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.703411][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.703411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.703411][ T73] [ 4887.705286][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.705286][ T73] dst_init+0x84/0x4a0 [ 4887.705286][ T73] dst_alloc+0x97/0x150 [ 4887.705286][ T73] ip6_dst_alloc+0x23/0x90 [ 4887.705286][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4887.705286][ T73] ip6_pol_route+0x56f/0x840 [ 4887.705286][ T73] fib6_rule_lookup+0x456/0x630 [ 4887.705286][ T73] ip6_route_input+0x59c/0xa50 [ 4887.705286][ T73] ipv6_rcv+0x397/0x810 [ 4887.705286][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4887.705286][ T73] process_backlog+0x101/0x620 [ 4887.705286][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4887.705286][ T73] net_rx_action+0x495/0xbe0 [ 4887.705286][ T73] __do_softirq+0x1b5/0x7f6 [ 4887.705286][ T73] [ 4887.706916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.706916][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.706916][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.706916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.706916][ T73] ip6_route_add+0x1c/0x140 [ 4887.706916][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4887.706916][ T73] inet6_addr_add+0x4f8/0xa40 [ 4887.706916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.706916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.706916][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.706916][ T73] netlink_unicast+0x449/0x710 [ 4887.706916][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.706916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.706916][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.706916][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.706916][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.706916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.706916][ T73] [ 4887.708917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.708917][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.708917][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.708917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.708917][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4887.708917][ T73] ipv6_add_addr+0x411/0x2000 [ 4887.708917][ T73] inet6_addr_add+0x30e/0xa40 [ 4887.708917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.708917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.708917][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.708917][ T73] netlink_unicast+0x449/0x710 [ 4887.708917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.708917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.708917][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.708917][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.708917][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.708917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.708917][ T73] [ 4887.710898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.710898][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.710898][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.710898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.710898][ T73] ip6_route_add+0x1c/0x140 [ 4887.710898][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4887.710898][ T73] addrconf_add_dev+0xe2/0x170 [ 4887.710898][ T73] inet6_addr_add+0x12f/0xa40 [ 4887.710898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.710898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.710898][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.710898][ T73] netlink_unicast+0x449/0x710 [ 4887.710898][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.710898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.710898][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.710898][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.710898][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.710898][ T73] [ 4887.712843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.712843][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4887.712843][ T73] ipv6_find_idev+0x102/0x170 [ 4887.712843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.712843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.712843][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.712843][ T73] netlink_unicast+0x449/0x710 [ 4887.712843][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.712843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.712843][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.712843][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.712843][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.712843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.712843][ T73] [ 4887.714368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4887.714368][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4887.714368][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4887.714368][ T73] ipv6_find_idev+0x102/0x170 [ 4887.714368][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.714368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.714368][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.714368][ T73] netlink_unicast+0x449/0x710 [ 4887.714368][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.714368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.714368][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.714368][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.714368][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.714368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.714368][ T73] [ 4887.716037][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4887.716305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.716305][ T73] dst_init+0x84/0x4a0 [ 4887.716305][ T73] dst_alloc+0x97/0x150 [ 4887.716305][ T73] ip6_dst_alloc+0x23/0x90 [ 4887.716305][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4887.716305][ T73] ip6_pol_route+0x56f/0x840 [ 4887.716305][ T73] fib6_rule_lookup+0x456/0x630 [ 4887.716305][ T73] ip6_route_input+0x59c/0xa50 [ 4887.716305][ T73] ipv6_rcv+0x397/0x810 [ 4887.716305][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4887.716305][ T73] process_backlog+0x101/0x620 [ 4887.716305][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4887.716305][ T73] net_rx_action+0x495/0xbe0 [ 4887.716305][ T73] __do_softirq+0x1b5/0x7f6 [ 4887.716305][ T73] [ 4887.717939][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.717939][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.717939][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.717939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.717939][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4887.717939][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4887.717939][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4887.717939][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4887.717939][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4887.717939][ T73] addrconf_dad_begin+0x310/0x670 [ 4887.717939][ T73] addrconf_dad_work+0x10b/0xab0 [ 4887.717939][ T73] process_one_work+0x84d/0x18a0 [ 4887.717939][ T73] worker_thread+0x587/0xd30 [ 4887.717939][ T73] kthread+0x28a/0x350 [ 4887.717939][ T73] ret_from_fork+0x31/0x70 [ 4887.717939][ T73] ret_from_fork_asm+0x1a/0x30 [ 4887.717939][ T73] [ 4887.719835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.719835][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.719835][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.719835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.719835][ T73] ip6_route_add+0x1c/0x140 [ 4887.719835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4887.719835][ T73] inet6_addr_add+0x4f8/0xa40 [ 4887.719835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.719835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.719835][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.719835][ T73] netlink_unicast+0x449/0x710 [ 4887.719835][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.719835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.719835][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.719835][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.719835][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.719835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.719835][ T73] [ 4887.721808][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.721808][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.721808][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.721808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.721808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4887.721808][ T73] ipv6_add_addr+0x411/0x2000 [ 4887.721808][ T73] inet6_addr_add+0x30e/0xa40 [ 4887.721808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.721808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.721808][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.721808][ T73] netlink_unicast+0x449/0x710 [ 4887.721808][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.721808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.721808][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.721808][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.721808][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.721808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.721808][ T73] [ 4887.723784][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.723784][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.723784][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.723784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.723784][ T73] ip6_route_add+0x1c/0x140 [ 4887.723784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4887.723784][ T73] addrconf_add_dev+0xe2/0x170 [ 4887.723784][ T73] inet6_addr_add+0x12f/0xa40 [ 4887.723784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.723784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.723784][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.723784][ T73] netlink_unicast+0x449/0x710 [ 4887.723784][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.723784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.723784][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.723784][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.723784][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.723784][ T73] [ 4887.725725][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.725725][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4887.725725][ T73] ipv6_find_idev+0x102/0x170 [ 4887.725725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.725725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.725725][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.725725][ T73] netlink_unicast+0x449/0x710 [ 4887.725725][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.725725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.725725][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.725725][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.725725][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.725725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.725725][ T73] [ 4887.727245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4887.727245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4887.727245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4887.727245][ T73] ipv6_find_idev+0x102/0x170 [ 4887.727245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.727245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.727245][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.727245][ T73] netlink_unicast+0x449/0x710 [ 4887.727245][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.727245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.727245][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.727245][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.727245][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.727245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.727245][ T73] [ 4887.729038][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4887.729361][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.729361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4887.729361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4887.729361][ T73] fib6_nh_init+0xa22/0x1580 [ 4887.729361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.729361][ T73] ip6_route_add+0x1c/0x140 [ 4887.729361][ T73] inet6_rtm_newroute+0x104/0x110 [ 4887.729361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.729361][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.729361][ T73] netlink_unicast+0x449/0x710 [ 4887.729361][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.729361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.729361][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.729361][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.729361][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.729361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.729361][ T73] [ 4887.731464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.731464][ T73] dst_init+0x84/0x4a0 [ 4887.731464][ T73] dst_alloc+0x97/0x150 [ 4887.731464][ T73] ip6_dst_alloc+0x23/0x90 [ 4887.731464][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4887.731464][ T73] ip6_pol_route+0x56f/0x840 [ 4887.731464][ T73] fib6_rule_lookup+0x456/0x630 [ 4887.731464][ T73] ip6_route_input+0x59c/0xa50 [ 4887.731464][ T73] ipv6_rcv+0x397/0x810 [ 4887.731464][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4887.731464][ T73] process_backlog+0x101/0x620 [ 4887.731464][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4887.731464][ T73] net_rx_action+0x495/0xbe0 [ 4887.731464][ T73] __do_softirq+0x1b5/0x7f6 [ 4887.731464][ T73] [ 4887.733264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.733264][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.733264][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.733264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.733264][ T73] ip6_route_add+0x1c/0x140 [ 4887.733264][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4887.733264][ T73] inet6_addr_add+0x4f8/0xa40 [ 4887.733264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.733264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.733264][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.733264][ T73] netlink_unicast+0x449/0x710 [ 4887.733264][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.733264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.733264][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.733264][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.733264][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.733264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.733264][ T73] [ 4887.735520][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.735520][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.735520][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.735520][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.735520][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4887.735520][ T73] ipv6_add_addr+0x411/0x2000 [ 4887.735520][ T73] inet6_addr_add+0x30e/0xa40 [ 4887.735520][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.735520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.735520][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.735520][ T73] netlink_unicast+0x449/0x710 [ 4887.735520][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.735520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.735520][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.735520][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.735520][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.735520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.735520][ T73] [ 4887.737749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.737749][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.737749][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.737749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.737749][ T73] ip6_route_add+0x1c/0x140 [ 4887.737749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4887.737749][ T73] addrconf_add_dev+0xe2/0x170 [ 4887.737749][ T73] inet6_addr_add+0x12f/0xa40 [ 4887.737749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.737749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.737749][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.737749][ T73] netlink_unicast+0x449/0x710 [ 4887.737749][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.737749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.737749][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.737749][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.737749][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.737749][ T73] [ 4887.740013][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.740013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4887.740013][ T73] ipv6_find_idev+0x102/0x170 [ 4887.740013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.740013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.740013][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.740013][ T73] netlink_unicast+0x449/0x710 [ 4887.740013][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.740013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.740013][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.740013][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.740013][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.740013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.740013][ T73] [ 4887.741713][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4887.741713][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4887.741713][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4887.741713][ T73] ipv6_find_idev+0x102/0x170 [ 4887.741713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.741713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.741713][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.741713][ T73] netlink_unicast+0x449/0x710 [ 4887.741713][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.741713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.741713][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.741713][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.741713][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.741713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.741713][ T73] [ 4887.743560][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4887.744264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4887.744264][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.744264][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.744264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.744264][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4887.744264][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4887.744264][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4887.744264][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4887.744264][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4887.744264][ T73] addrconf_dad_begin+0x310/0x670 [ 4887.744264][ T73] addrconf_dad_work+0x10b/0xab0 [ 4887.744264][ T73] process_one_work+0x84d/0x18a0 [ 4887.744264][ T73] worker_thread+0x587/0xd30 [ 4887.744264][ T73] kthread+0x28a/0x350 [ 4887.744264][ T73] ret_from_fork+0x31/0x70 [ 4887.744264][ T73] ret_from_fork_asm+0x1a/0x30 [ 4887.744264][ T73] [ 4887.746150][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4887.746150][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.746150][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.746150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.746150][ T73] ip6_route_add+0x1c/0x140 [ 4887.746150][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4887.746150][ T73] inet6_addr_add+0x4f8/0xa40 [ 4887.746150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.746150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.746150][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.746150][ T73] netlink_unicast+0x449/0x710 [ 4887.746150][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.746150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.746150][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.746150][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.746150][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.746150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.746150][ T73] [ 4887.748252][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4887.748252][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.748252][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.748252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.748252][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4887.748252][ T73] ipv6_add_addr+0x411/0x2000 [ 4887.748252][ T73] inet6_addr_add+0x30e/0xa40 [ 4887.748252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.748252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.748252][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.748252][ T73] netlink_unicast+0x449/0x710 [ 4887.748252][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.748252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.748252][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.748252][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.748252][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.748252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.748252][ T73] [ 4887.750469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4887.750469][ T73] netdev_get_by_index+0x5e/0x80 [ 4887.750469][ T73] fib6_nh_init+0x3d8/0x1580 [ 4887.750469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4887.750469][ T73] ip6_route_add+0x1c/0x140 [ 4887.750469][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4887.750469][ T73] addrconf_add_dev+0xe2/0x170 [ 4887.750469][ T73] inet6_addr_add+0x12f/0xa40 [ 4887.750469][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.750469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.750469][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.750469][ T73] netlink_unicast+0x449/0x710 [ 4887.750469][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.750469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.750469][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.750469][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.750469][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.750469][ T73] [ 4887.752656][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4887.752656][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4887.752656][ T73] ipv6_find_idev+0x102/0x170 [ 4887.752656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.752656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.752656][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.752656][ T73] netlink_unicast+0x449/0x710 [ 4887.752656][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.752656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.752656][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.752656][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.752656][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.752656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.752656][ T73] [ 4887.754355][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4887.754355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4887.754355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4887.754355][ T73] ipv6_find_idev+0x102/0x170 [ 4887.754355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.754355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.754355][ T73] netlink_rcv_skb+0x130/0x360 [ 4887.754355][ T73] netlink_unicast+0x449/0x710 [ 4887.754355][ T73] netlink_sendmsg+0x723/0xbe0 [ 4887.754355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4887.754355][ T73] ___sys_sendmsg+0xee/0x170 [ 4887.754355][ T73] __sys_sendmsg+0xcd/0x170 [ 4887.754355][ T73] do_syscall_64+0xc6/0x1e0 [ 4887.754355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.754355][ T73] [ 4897.998836][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4897.999384][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4897.999384][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4897.999384][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4897.999384][ T73] fib6_nh_init+0xa22/0x1580 [ 4897.999384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4897.999384][ T73] ip6_route_add+0x1c/0x140 [ 4897.999384][ T73] inet6_rtm_newroute+0x104/0x110 [ 4897.999384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.999384][ T73] netlink_rcv_skb+0x130/0x360 [ 4897.999384][ T73] netlink_unicast+0x449/0x710 [ 4897.999384][ T73] netlink_sendmsg+0x723/0xbe0 [ 4897.999384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4897.999384][ T73] ___sys_sendmsg+0xee/0x170 [ 4897.999384][ T73] __sys_sendmsg+0xcd/0x170 [ 4897.999384][ T73] do_syscall_64+0xc6/0x1e0 [ 4897.999384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.999384][ T73] [ 4898.001744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4898.001744][ T73] dst_init+0x84/0x4a0 [ 4898.001744][ T73] dst_alloc+0x97/0x150 [ 4898.001744][ T73] ip6_dst_alloc+0x23/0x90 [ 4898.001744][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4898.001744][ T73] ip6_pol_route+0x56f/0x840 [ 4898.001744][ T73] fib6_rule_lookup+0x456/0x630 [ 4898.001744][ T73] ip6_route_input+0x59c/0xa50 [ 4898.001744][ T73] ipv6_rcv+0x397/0x810 [ 4898.001744][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4898.001744][ T73] process_backlog+0x101/0x620 [ 4898.001744][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4898.001744][ T73] net_rx_action+0x495/0xbe0 [ 4898.001744][ T73] __do_softirq+0x1b5/0x7f6 [ 4898.001744][ T73] [ 4898.003788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4898.003788][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.003788][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.003788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.003788][ T73] ip6_route_add+0x1c/0x140 [ 4898.003788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4898.003788][ T73] inet6_addr_add+0x4f8/0xa40 [ 4898.003788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.003788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.003788][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.003788][ T73] netlink_unicast+0x449/0x710 [ 4898.003788][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.003788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.003788][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.003788][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.003788][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.003788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.003788][ T73] [ 4898.006327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4898.006327][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.006327][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.006327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.006327][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4898.006327][ T73] ipv6_add_addr+0x411/0x2000 [ 4898.006327][ T73] inet6_addr_add+0x30e/0xa40 [ 4898.006327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.006327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.006327][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.006327][ T73] netlink_unicast+0x449/0x710 [ 4898.006327][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.006327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.006327][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.006327][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.006327][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.006327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.006327][ T73] [ 4898.008866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4898.008866][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.008866][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.008866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.008866][ T73] ip6_route_add+0x1c/0x140 [ 4898.008866][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4898.008866][ T73] addrconf_add_dev+0xe2/0x170 [ 4898.008866][ T73] inet6_addr_add+0x12f/0xa40 [ 4898.008866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.008866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.008866][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.008866][ T73] netlink_unicast+0x449/0x710 [ 4898.008866][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.008866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.008866][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.008866][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.008866][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.008866][ T73] [ 4898.011328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4898.011328][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4898.011328][ T73] ipv6_find_idev+0x102/0x170 [ 4898.011328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.011328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.011328][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.011328][ T73] netlink_unicast+0x449/0x710 [ 4898.011328][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.011328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.011328][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.011328][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.011328][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.011328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.011328][ T73] [ 4898.013282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4898.013282][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4898.013282][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4898.013282][ T73] ipv6_find_idev+0x102/0x170 [ 4898.013282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.013282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.013282][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.013282][ T73] netlink_unicast+0x449/0x710 [ 4898.013282][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.013282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.013282][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.013282][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.013282][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.013282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.013282][ T73] [ 4898.015248][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4898.015547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.015547][ T73] dst_init+0x84/0x4a0 [ 4898.015547][ T73] dst_alloc+0x97/0x150 [ 4898.015547][ T73] ip6_dst_alloc+0x23/0x90 [ 4898.015547][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4898.015547][ T73] ip6_pol_route+0x56f/0x840 [ 4898.015547][ T73] fib6_rule_lookup+0x456/0x630 [ 4898.015547][ T73] ip6_route_input+0x59c/0xa50 [ 4898.015547][ T73] ipv6_rcv+0x397/0x810 [ 4898.015547][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4898.015547][ T73] process_backlog+0x101/0x620 [ 4898.015547][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4898.015547][ T73] net_rx_action+0x495/0xbe0 [ 4898.015547][ T73] __do_softirq+0x1b5/0x7f6 [ 4898.015547][ T73] [ 4898.017198][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.017198][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.017198][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.017198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.017198][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4898.017198][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4898.017198][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4898.017198][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4898.017198][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4898.017198][ T73] addrconf_dad_begin+0x310/0x670 [ 4898.017198][ T73] addrconf_dad_work+0x10b/0xab0 [ 4898.017198][ T73] process_one_work+0x84d/0x18a0 [ 4898.017198][ T73] worker_thread+0x587/0xd30 [ 4898.017198][ T73] kthread+0x28a/0x350 [ 4898.017198][ T73] ret_from_fork+0x31/0x70 [ 4898.017198][ T73] ret_from_fork_asm+0x1a/0x30 [ 4898.017198][ T73] [ 4898.019132][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.019132][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.019132][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.019132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.019132][ T73] ip6_route_add+0x1c/0x140 [ 4898.019132][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4898.019132][ T73] inet6_addr_add+0x4f8/0xa40 [ 4898.019132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.019132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.019132][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.019132][ T73] netlink_unicast+0x449/0x710 [ 4898.019132][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.019132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.019132][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.019132][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.019132][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.019132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.019132][ T73] [ 4898.021139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.021139][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.021139][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.021139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.021139][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4898.021139][ T73] ipv6_add_addr+0x411/0x2000 [ 4898.021139][ T73] inet6_addr_add+0x30e/0xa40 [ 4898.021139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.021139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.021139][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.021139][ T73] netlink_unicast+0x449/0x710 [ 4898.021139][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.021139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.021139][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.021139][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.021139][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.021139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.021139][ T73] [ 4898.023145][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.023145][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.023145][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.023145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.023145][ T73] ip6_route_add+0x1c/0x140 [ 4898.023145][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4898.023145][ T73] addrconf_add_dev+0xe2/0x170 [ 4898.023145][ T73] inet6_addr_add+0x12f/0xa40 [ 4898.023145][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.023145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.023145][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.023145][ T73] netlink_unicast+0x449/0x710 [ 4898.023145][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.023145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.023145][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.023145][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.023145][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.023145][ T73] [ 4898.025120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.025120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4898.025120][ T73] ipv6_find_idev+0x102/0x170 [ 4898.025120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.025120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.025120][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.025120][ T73] netlink_unicast+0x449/0x710 [ 4898.025120][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.025120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.025120][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.025120][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.025120][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.025120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.025120][ T73] [ 4898.026665][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4898.026665][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4898.026665][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4898.026665][ T73] ipv6_find_idev+0x102/0x170 [ 4898.026665][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.026665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.026665][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.026665][ T73] netlink_unicast+0x449/0x710 [ 4898.026665][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.026665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.026665][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.026665][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.026665][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.026665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.026665][ T73] [ 4898.028498][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4898.028775][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.028775][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4898.028775][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4898.028775][ T73] fib6_nh_init+0xa22/0x1580 [ 4898.028775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.028775][ T73] ip6_route_add+0x1c/0x140 [ 4898.028775][ T73] inet6_rtm_newroute+0x104/0x110 [ 4898.028775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.028775][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.028775][ T73] netlink_unicast+0x449/0x710 [ 4898.028775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.028775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.028775][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.028775][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.028775][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.028775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.028775][ T73] [ 4898.031411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.031411][ T73] dst_init+0x84/0x4a0 [ 4898.031411][ T73] dst_alloc+0x97/0x150 [ 4898.031411][ T73] ip6_dst_alloc+0x23/0x90 [ 4898.031411][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4898.031411][ T73] ip6_pol_route+0x56f/0x840 [ 4898.031411][ T73] fib6_rule_lookup+0x456/0x630 [ 4898.031411][ T73] ip6_route_input+0x59c/0xa50 [ 4898.031411][ T73] ipv6_rcv+0x397/0x810 [ 4898.031411][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4898.031411][ T73] process_backlog+0x101/0x620 [ 4898.031411][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4898.031411][ T73] net_rx_action+0x495/0xbe0 [ 4898.031411][ T73] __do_softirq+0x1b5/0x7f6 [ 4898.031411][ T73] [ 4898.033224][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.033224][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.033224][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.033224][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.033224][ T73] ip6_route_add+0x1c/0x140 [ 4898.033224][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4898.033224][ T73] inet6_addr_add+0x4f8/0xa40 [ 4898.033224][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.033224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.033224][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.033224][ T73] netlink_unicast+0x449/0x710 [ 4898.033224][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.033224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.033224][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.033224][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.033224][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.033224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.033224][ T73] [ 4898.035470][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.035470][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.035470][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.035470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.035470][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4898.035470][ T73] ipv6_add_addr+0x411/0x2000 [ 4898.035470][ T73] inet6_addr_add+0x30e/0xa40 [ 4898.035470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.035470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.035470][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.035470][ T73] netlink_unicast+0x449/0x710 [ 4898.035470][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.035470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.035470][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.035470][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.035470][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.035470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.035470][ T73] [ 4898.037775][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.037775][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.037775][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.037775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.037775][ T73] ip6_route_add+0x1c/0x140 [ 4898.037775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4898.037775][ T73] addrconf_add_dev+0xe2/0x170 [ 4898.037775][ T73] inet6_addr_add+0x12f/0xa40 [ 4898.037775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.037775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.037775][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.037775][ T73] netlink_unicast+0x449/0x710 [ 4898.037775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.037775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.037775][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.037775][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.037775][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.037775][ T73] [ 4898.039984][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.039984][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4898.039984][ T73] ipv6_find_idev+0x102/0x170 [ 4898.039984][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.039984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.039984][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.039984][ T73] netlink_unicast+0x449/0x710 [ 4898.039984][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.039984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.039984][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.039984][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.039984][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.039984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.039984][ T73] [ 4898.041640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4898.041640][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4898.041640][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4898.041640][ T73] ipv6_find_idev+0x102/0x170 [ 4898.041640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.041640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.041640][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.041640][ T73] netlink_unicast+0x449/0x710 [ 4898.041640][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.041640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.041640][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.041640][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.041640][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.041640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.041640][ T73] [ 4898.043569][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4898.044270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4898.044270][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.044270][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.044270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.044270][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4898.044270][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4898.044270][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4898.044270][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4898.044270][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4898.044270][ T73] addrconf_dad_begin+0x310/0x670 [ 4898.044270][ T73] addrconf_dad_work+0x10b/0xab0 [ 4898.044270][ T73] process_one_work+0x84d/0x18a0 [ 4898.044270][ T73] worker_thread+0x587/0xd30 [ 4898.044270][ T73] kthread+0x28a/0x350 [ 4898.044270][ T73] ret_from_fork+0x31/0x70 [ 4898.044270][ T73] ret_from_fork_asm+0x1a/0x30 [ 4898.044270][ T73] [ 4898.046571][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4898.046571][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.046571][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.046571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.046571][ T73] ip6_route_add+0x1c/0x140 [ 4898.046571][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4898.046571][ T73] inet6_addr_add+0x4f8/0xa40 [ 4898.046571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.046571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.046571][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.046571][ T73] netlink_unicast+0x449/0x710 [ 4898.046571][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.046571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.046571][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.046571][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.046571][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.046571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.046571][ T73] [ 4898.048694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4898.048694][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.048694][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.048694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.048694][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4898.048694][ T73] ipv6_add_addr+0x411/0x2000 [ 4898.048694][ T73] inet6_addr_add+0x30e/0xa40 [ 4898.048694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.048694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.048694][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.048694][ T73] netlink_unicast+0x449/0x710 [ 4898.048694][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.048694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.048694][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.048694][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.048694][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.048694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.048694][ T73] [ 4898.051003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4898.051003][ T73] netdev_get_by_index+0x5e/0x80 [ 4898.051003][ T73] fib6_nh_init+0x3d8/0x1580 [ 4898.051003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4898.051003][ T73] ip6_route_add+0x1c/0x140 [ 4898.051003][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4898.051003][ T73] addrconf_add_dev+0xe2/0x170 [ 4898.051003][ T73] inet6_addr_add+0x12f/0xa40 [ 4898.051003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4898.051003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.051003][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.051003][ T73] netlink_unicast+0x449/0x710 [ 4898.051003][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.051003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.051003][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.051003][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.051003][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.051003][ T73] [ 4898.053148][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4898.053148][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4898.053148][ T73] ipv6_find_idev+0x102/0x170 [ 4898.053148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.053148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.053148][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.053148][ T73] netlink_unicast+0x449/0x710 [ 4898.053148][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.053148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.053148][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.053148][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.053148][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.053148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.053148][ T73] [ 4898.054881][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4898.054881][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4898.054881][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4898.054881][ T73] ipv6_find_idev+0x102/0x170 [ 4898.054881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4898.054881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4898.054881][ T73] netlink_rcv_skb+0x130/0x360 [ 4898.054881][ T73] netlink_unicast+0x449/0x710 [ 4898.054881][ T73] netlink_sendmsg+0x723/0xbe0 [ 4898.054881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4898.054881][ T73] ___sys_sendmsg+0xee/0x170 [ 4898.054881][ T73] __sys_sendmsg+0xcd/0x170 [ 4898.054881][ T73] do_syscall_64+0xc6/0x1e0 [ 4898.054881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4898.054881][ T73] [ 4908.294974][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4908.295423][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.295423][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4908.295423][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4908.295423][ T73] fib6_nh_init+0xa22/0x1580 [ 4908.295423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.295423][ T73] ip6_route_add+0x1c/0x140 [ 4908.295423][ T73] inet6_rtm_newroute+0x104/0x110 [ 4908.295423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.295423][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.295423][ T73] netlink_unicast+0x449/0x710 [ 4908.295423][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.295423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.295423][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.295423][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.295423][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.295423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.295423][ T73] [ 4908.297303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.297303][ T73] dst_init+0x84/0x4a0 [ 4908.297303][ T73] dst_alloc+0x97/0x150 [ 4908.297303][ T73] ip6_dst_alloc+0x23/0x90 [ 4908.297303][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4908.297303][ T73] ip6_pol_route+0x56f/0x840 [ 4908.297303][ T73] fib6_rule_lookup+0x456/0x630 [ 4908.297303][ T73] ip6_route_input+0x59c/0xa50 [ 4908.297303][ T73] ipv6_rcv+0x397/0x810 [ 4908.297303][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4908.297303][ T73] process_backlog+0x101/0x620 [ 4908.297303][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4908.297303][ T73] net_rx_action+0x495/0xbe0 [ 4908.297303][ T73] __do_softirq+0x1b5/0x7f6 [ 4908.297303][ T73] [ 4908.298933][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.298933][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.298933][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.298933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.298933][ T73] ip6_route_add+0x1c/0x140 [ 4908.298933][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4908.298933][ T73] inet6_addr_add+0x4f8/0xa40 [ 4908.298933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.298933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.298933][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.298933][ T73] netlink_unicast+0x449/0x710 [ 4908.298933][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.298933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.298933][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.298933][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.298933][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.298933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.298933][ T73] [ 4908.300917][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.300917][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.300917][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.300917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.300917][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4908.300917][ T73] ipv6_add_addr+0x411/0x2000 [ 4908.300917][ T73] inet6_addr_add+0x30e/0xa40 [ 4908.300917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.300917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.300917][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.300917][ T73] netlink_unicast+0x449/0x710 [ 4908.300917][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.300917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.300917][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.300917][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.300917][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.300917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.300917][ T73] [ 4908.302905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.302905][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.302905][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.302905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.302905][ T73] ip6_route_add+0x1c/0x140 [ 4908.302905][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4908.302905][ T73] addrconf_add_dev+0xe2/0x170 [ 4908.302905][ T73] inet6_addr_add+0x12f/0xa40 [ 4908.302905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.302905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.302905][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.302905][ T73] netlink_unicast+0x449/0x710 [ 4908.302905][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.302905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.302905][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.302905][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.302905][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.302905][ T73] [ 4908.304852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.304852][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4908.304852][ T73] ipv6_find_idev+0x102/0x170 [ 4908.304852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.304852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.304852][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.304852][ T73] netlink_unicast+0x449/0x710 [ 4908.304852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.304852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.304852][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.304852][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.304852][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.304852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.304852][ T73] [ 4908.306397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4908.306397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4908.306397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4908.306397][ T73] ipv6_find_idev+0x102/0x170 [ 4908.306397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.306397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.306397][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.306397][ T73] netlink_unicast+0x449/0x710 [ 4908.306397][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.306397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.306397][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.306397][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.306397][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.306397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.306397][ T73] [ 4908.308095][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4908.308360][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.308360][ T73] dst_init+0x84/0x4a0 [ 4908.308360][ T73] dst_alloc+0x97/0x150 [ 4908.308360][ T73] ip6_dst_alloc+0x23/0x90 [ 4908.308360][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4908.308360][ T73] ip6_pol_route+0x56f/0x840 [ 4908.308360][ T73] fib6_rule_lookup+0x456/0x630 [ 4908.308360][ T73] ip6_route_input+0x59c/0xa50 [ 4908.308360][ T73] ipv6_rcv+0x397/0x810 [ 4908.308360][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4908.308360][ T73] process_backlog+0x101/0x620 [ 4908.308360][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4908.308360][ T73] net_rx_action+0x495/0xbe0 [ 4908.308360][ T73] __do_softirq+0x1b5/0x7f6 [ 4908.308360][ T73] [ 4908.309989][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.309989][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.309989][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.309989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.309989][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4908.309989][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4908.309989][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4908.309989][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4908.309989][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4908.309989][ T73] addrconf_dad_begin+0x310/0x670 [ 4908.309989][ T73] addrconf_dad_work+0x10b/0xab0 [ 4908.309989][ T73] process_one_work+0x84d/0x18a0 [ 4908.309989][ T73] worker_thread+0x587/0xd30 [ 4908.309989][ T73] kthread+0x28a/0x350 [ 4908.309989][ T73] ret_from_fork+0x31/0x70 [ 4908.309989][ T73] ret_from_fork_asm+0x1a/0x30 [ 4908.309989][ T73] [ 4908.311880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.311880][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.311880][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.311880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.311880][ T73] ip6_route_add+0x1c/0x140 [ 4908.311880][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4908.311880][ T73] inet6_addr_add+0x4f8/0xa40 [ 4908.311880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.311880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.311880][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.311880][ T73] netlink_unicast+0x449/0x710 [ 4908.311880][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.311880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.311880][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.311880][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.311880][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.311880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.311880][ T73] [ 4908.313852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.313852][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.313852][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.313852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.313852][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4908.313852][ T73] ipv6_add_addr+0x411/0x2000 [ 4908.313852][ T73] inet6_addr_add+0x30e/0xa40 [ 4908.313852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.313852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.313852][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.313852][ T73] netlink_unicast+0x449/0x710 [ 4908.313852][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.313852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.313852][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.313852][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.313852][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.313852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.313852][ T73] [ 4908.315826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.315826][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.315826][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.315826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.315826][ T73] ip6_route_add+0x1c/0x140 [ 4908.315826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4908.315826][ T73] addrconf_add_dev+0xe2/0x170 [ 4908.315826][ T73] inet6_addr_add+0x12f/0xa40 [ 4908.315826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.315826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.315826][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.315826][ T73] netlink_unicast+0x449/0x710 [ 4908.315826][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.315826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.315826][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.315826][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.315826][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.315826][ T73] [ 4908.317762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.317762][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4908.317762][ T73] ipv6_find_idev+0x102/0x170 [ 4908.317762][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.317762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.317762][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.317762][ T73] netlink_unicast+0x449/0x710 [ 4908.317762][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.317762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.317762][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.317762][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.317762][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.317762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.317762][ T73] [ 4908.319288][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4908.319288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4908.319288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4908.319288][ T73] ipv6_find_idev+0x102/0x170 [ 4908.319288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.319288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.319288][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.319288][ T73] netlink_unicast+0x449/0x710 [ 4908.319288][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.319288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.319288][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.319288][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.319288][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.319288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.319288][ T73] [ 4908.321074][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4908.321352][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.321352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4908.321352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4908.321352][ T73] fib6_nh_init+0xa22/0x1580 [ 4908.321352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.321352][ T73] ip6_route_add+0x1c/0x140 [ 4908.321352][ T73] inet6_rtm_newroute+0x104/0x110 [ 4908.321352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.321352][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.321352][ T73] netlink_unicast+0x449/0x710 [ 4908.321352][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.321352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.321352][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.321352][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.321352][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.321352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.321352][ T73] [ 4908.323453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.323453][ T73] dst_init+0x84/0x4a0 [ 4908.323453][ T73] dst_alloc+0x97/0x150 [ 4908.323453][ T73] ip6_dst_alloc+0x23/0x90 [ 4908.323453][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4908.323453][ T73] ip6_pol_route+0x56f/0x840 [ 4908.323453][ T73] fib6_rule_lookup+0x456/0x630 [ 4908.323453][ T73] ip6_route_input+0x59c/0xa50 [ 4908.323453][ T73] ipv6_rcv+0x397/0x810 [ 4908.323453][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4908.323453][ T73] process_backlog+0x101/0x620 [ 4908.323453][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4908.323453][ T73] net_rx_action+0x495/0xbe0 [ 4908.323453][ T73] __do_softirq+0x1b5/0x7f6 [ 4908.323453][ T73] [ 4908.325311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.325311][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.325311][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.325311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.325311][ T73] ip6_route_add+0x1c/0x140 [ 4908.325311][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4908.325311][ T73] inet6_addr_add+0x4f8/0xa40 [ 4908.325311][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.325311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.325311][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.325311][ T73] netlink_unicast+0x449/0x710 [ 4908.325311][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.325311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.325311][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.325311][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.325311][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.325311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.325311][ T73] [ 4908.327467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.327467][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.327467][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.327467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.327467][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4908.327467][ T73] ipv6_add_addr+0x411/0x2000 [ 4908.327467][ T73] inet6_addr_add+0x30e/0xa40 [ 4908.327467][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.327467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.327467][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.327467][ T73] netlink_unicast+0x449/0x710 [ 4908.327467][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.327467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.327467][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.327467][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.327467][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.327467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.327467][ T73] [ 4908.329671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.329671][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.329671][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.329671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.329671][ T73] ip6_route_add+0x1c/0x140 [ 4908.329671][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4908.329671][ T73] addrconf_add_dev+0xe2/0x170 [ 4908.329671][ T73] inet6_addr_add+0x12f/0xa40 [ 4908.329671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.329671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.329671][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.329671][ T73] netlink_unicast+0x449/0x710 [ 4908.329671][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.329671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.329671][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.329671][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.329671][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.329671][ T73] [ 4908.331851][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.331851][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4908.331851][ T73] ipv6_find_idev+0x102/0x170 [ 4908.331851][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.331851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.331851][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.331851][ T73] netlink_unicast+0x449/0x710 [ 4908.331851][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.331851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.331851][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.331851][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.331851][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.331851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.331851][ T73] [ 4908.333554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4908.333554][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4908.333554][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4908.333554][ T73] ipv6_find_idev+0x102/0x170 [ 4908.333554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.333554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.333554][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.333554][ T73] netlink_unicast+0x449/0x710 [ 4908.333554][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.333554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.333554][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.333554][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.333554][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.333554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.333554][ T73] [ 4908.335467][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4908.335802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4908.335802][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.335802][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.335802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.335802][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4908.335802][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4908.335802][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4908.335802][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4908.335802][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4908.335802][ T73] addrconf_dad_begin+0x310/0x670 [ 4908.335802][ T73] addrconf_dad_work+0x10b/0xab0 [ 4908.335802][ T73] process_one_work+0x84d/0x18a0 [ 4908.335802][ T73] worker_thread+0x587/0xd30 [ 4908.335802][ T73] kthread+0x28a/0x350 [ 4908.335802][ T73] ret_from_fork+0x31/0x70 [ 4908.335802][ T73] ret_from_fork_asm+0x1a/0x30 [ 4908.335802][ T73] [ 4908.337808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4908.337808][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.337808][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.337808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.337808][ T73] ip6_route_add+0x1c/0x140 [ 4908.337808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4908.337808][ T73] inet6_addr_add+0x4f8/0xa40 [ 4908.337808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.337808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.337808][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.337808][ T73] netlink_unicast+0x449/0x710 [ 4908.337808][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.337808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.337808][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.337808][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.337808][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.337808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.337808][ T73] [ 4908.340027][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4908.340027][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.340027][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.340027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.340027][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4908.340027][ T73] ipv6_add_addr+0x411/0x2000 [ 4908.340027][ T73] inet6_addr_add+0x30e/0xa40 [ 4908.340027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.340027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.340027][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.340027][ T73] netlink_unicast+0x449/0x710 [ 4908.340027][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.340027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.340027][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.340027][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.340027][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.340027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.340027][ T73] [ 4908.342241][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4908.342241][ T73] netdev_get_by_index+0x5e/0x80 [ 4908.342241][ T73] fib6_nh_init+0x3d8/0x1580 [ 4908.342241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4908.342241][ T73] ip6_route_add+0x1c/0x140 [ 4908.342241][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4908.342241][ T73] addrconf_add_dev+0xe2/0x170 [ 4908.342241][ T73] inet6_addr_add+0x12f/0xa40 [ 4908.342241][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4908.342241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.342241][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.342241][ T73] netlink_unicast+0x449/0x710 [ 4908.342241][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.342241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.342241][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.342241][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.342241][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.342241][ T73] [ 4908.344490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4908.344490][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4908.344490][ T73] ipv6_find_idev+0x102/0x170 [ 4908.344490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.344490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.344490][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.344490][ T73] netlink_unicast+0x449/0x710 [ 4908.344490][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.344490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.344490][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.344490][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.344490][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.344490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.344490][ T73] [ 4908.346190][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4908.346190][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4908.346190][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4908.346190][ T73] ipv6_find_idev+0x102/0x170 [ 4908.346190][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4908.346190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4908.346190][ T73] netlink_rcv_skb+0x130/0x360 [ 4908.346190][ T73] netlink_unicast+0x449/0x710 [ 4908.346190][ T73] netlink_sendmsg+0x723/0xbe0 [ 4908.346190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4908.346190][ T73] ___sys_sendmsg+0xee/0x170 [ 4908.346190][ T73] __sys_sendmsg+0xcd/0x170 [ 4908.346190][ T73] do_syscall_64+0xc6/0x1e0 [ 4908.346190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4908.346190][ T73] [ 4918.590923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4918.591577][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.591577][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4918.591577][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4918.591577][ T73] fib6_nh_init+0xa22/0x1580 [ 4918.591577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.591577][ T73] ip6_route_add+0x1c/0x140 [ 4918.591577][ T73] inet6_rtm_newroute+0x104/0x110 [ 4918.591577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.591577][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.591577][ T73] netlink_unicast+0x449/0x710 [ 4918.591577][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.591577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.591577][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.591577][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.591577][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.591577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.591577][ T73] [ 4918.594473][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.594473][ T73] dst_init+0x84/0x4a0 [ 4918.594473][ T73] dst_alloc+0x97/0x150 [ 4918.594473][ T73] ip6_dst_alloc+0x23/0x90 [ 4918.594473][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4918.594473][ T73] ip6_pol_route+0x56f/0x840 [ 4918.594473][ T73] fib6_rule_lookup+0x456/0x630 [ 4918.594473][ T73] ip6_route_input+0x59c/0xa50 [ 4918.594473][ T73] ipv6_rcv+0x397/0x810 [ 4918.594473][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4918.594473][ T73] process_backlog+0x101/0x620 [ 4918.594473][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4918.594473][ T73] net_rx_action+0x495/0xbe0 [ 4918.594473][ T73] __do_softirq+0x1b5/0x7f6 [ 4918.594473][ T73] [ 4918.597021][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.597021][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.597021][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.597021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.597021][ T73] ip6_route_add+0x1c/0x140 [ 4918.597021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4918.597021][ T73] inet6_addr_add+0x4f8/0xa40 [ 4918.597021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.597021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.597021][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.597021][ T73] netlink_unicast+0x449/0x710 [ 4918.597021][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.597021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.597021][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.597021][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.597021][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.597021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.597021][ T73] [ 4918.600057][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.600057][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.600057][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.600057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.600057][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4918.600057][ T73] ipv6_add_addr+0x411/0x2000 [ 4918.600057][ T73] inet6_addr_add+0x30e/0xa40 [ 4918.600057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.600057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.600057][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.600057][ T73] netlink_unicast+0x449/0x710 [ 4918.600057][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.600057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.600057][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.600057][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.600057][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.600057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.600057][ T73] [ 4918.603098][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.603098][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.603098][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.603098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.603098][ T73] ip6_route_add+0x1c/0x140 [ 4918.603098][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4918.603098][ T73] addrconf_add_dev+0xe2/0x170 [ 4918.603098][ T73] inet6_addr_add+0x12f/0xa40 [ 4918.603098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.603098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.603098][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.603098][ T73] netlink_unicast+0x449/0x710 [ 4918.603098][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.603098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.603098][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.603098][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.603098][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.603098][ T73] [ 4918.606035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.606035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4918.606035][ T73] ipv6_find_idev+0x102/0x170 [ 4918.606035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.606035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.606035][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.606035][ T73] netlink_unicast+0x449/0x710 [ 4918.606035][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.606035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.606035][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.606035][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.606035][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.606035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.606035][ T73] [ 4918.608428][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4918.608428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4918.608428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4918.608428][ T73] ipv6_find_idev+0x102/0x170 [ 4918.608428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.608428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.608428][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.608428][ T73] netlink_unicast+0x449/0x710 [ 4918.608428][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.608428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.608428][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.608428][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.608428][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.608428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.608428][ T73] [ 4918.611046][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4918.611470][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.611470][ T73] dst_init+0x84/0x4a0 [ 4918.611470][ T73] dst_alloc+0x97/0x150 [ 4918.611470][ T73] ip6_dst_alloc+0x23/0x90 [ 4918.611470][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4918.611470][ T73] ip6_pol_route+0x56f/0x840 [ 4918.611470][ T73] fib6_rule_lookup+0x456/0x630 [ 4918.611470][ T73] ip6_route_input+0x59c/0xa50 [ 4918.611470][ T73] ipv6_rcv+0x397/0x810 [ 4918.611470][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4918.611470][ T73] process_backlog+0x101/0x620 [ 4918.611470][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4918.611470][ T73] net_rx_action+0x495/0xbe0 [ 4918.611470][ T73] __do_softirq+0x1b5/0x7f6 [ 4918.611470][ T73] [ 4918.614004][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.614004][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.614004][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.614004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.614004][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4918.614004][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4918.614004][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4918.614004][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4918.614004][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4918.614004][ T73] addrconf_dad_begin+0x310/0x670 [ 4918.614004][ T73] addrconf_dad_work+0x10b/0xab0 [ 4918.614004][ T73] process_one_work+0x84d/0x18a0 [ 4918.614004][ T73] worker_thread+0x587/0xd30 [ 4918.614004][ T73] kthread+0x28a/0x350 [ 4918.614004][ T73] ret_from_fork+0x31/0x70 [ 4918.614004][ T73] ret_from_fork_asm+0x1a/0x30 [ 4918.614004][ T73] [ 4918.616977][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.616977][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.616977][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.616977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.616977][ T73] ip6_route_add+0x1c/0x140 [ 4918.616977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4918.616977][ T73] inet6_addr_add+0x4f8/0xa40 [ 4918.616977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.616977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.616977][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.616977][ T73] netlink_unicast+0x449/0x710 [ 4918.616977][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.616977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.616977][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.616977][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.616977][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.616977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.616977][ T73] [ 4918.620034][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.620034][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.620034][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.620034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.620034][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4918.620034][ T73] ipv6_add_addr+0x411/0x2000 [ 4918.620034][ T73] inet6_addr_add+0x30e/0xa40 [ 4918.620034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.620034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.620034][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.620034][ T73] netlink_unicast+0x449/0x710 [ 4918.620034][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.620034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.620034][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.620034][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.620034][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.620034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.620034][ T73] [ 4918.622982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.622982][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.622982][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.622982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.622982][ T73] ip6_route_add+0x1c/0x140 [ 4918.622982][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4918.622982][ T73] addrconf_add_dev+0xe2/0x170 [ 4918.622982][ T73] inet6_addr_add+0x12f/0xa40 [ 4918.622982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.622982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.622982][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.622982][ T73] netlink_unicast+0x449/0x710 [ 4918.622982][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.622982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.622982][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.622982][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.622982][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.622982][ T73] [ 4918.625971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.625971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4918.625971][ T73] ipv6_find_idev+0x102/0x170 [ 4918.625971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.625971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.625971][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.625971][ T73] netlink_unicast+0x449/0x710 [ 4918.625971][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.625971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.625971][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.625971][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.625971][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.625971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.625971][ T73] [ 4918.628295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4918.628295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4918.628295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4918.628295][ T73] ipv6_find_idev+0x102/0x170 [ 4918.628295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.628295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.628295][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.628295][ T73] netlink_unicast+0x449/0x710 [ 4918.628295][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.628295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.628295][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.628295][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.628295][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.628295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.628295][ T73] [ 4918.630893][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4918.631254][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.631254][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4918.631254][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4918.631254][ T73] fib6_nh_init+0xa22/0x1580 [ 4918.631254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.631254][ T73] ip6_route_add+0x1c/0x140 [ 4918.631254][ T73] inet6_rtm_newroute+0x104/0x110 [ 4918.631254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.631254][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.631254][ T73] netlink_unicast+0x449/0x710 [ 4918.631254][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.631254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.631254][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.631254][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.631254][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.631254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.631254][ T73] [ 4918.634460][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.634460][ T73] dst_init+0x84/0x4a0 [ 4918.634460][ T73] dst_alloc+0x97/0x150 [ 4918.634460][ T73] ip6_dst_alloc+0x23/0x90 [ 4918.634460][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4918.634460][ T73] ip6_pol_route+0x56f/0x840 [ 4918.634460][ T73] fib6_rule_lookup+0x456/0x630 [ 4918.634460][ T73] ip6_route_input+0x59c/0xa50 [ 4918.634460][ T73] ipv6_rcv+0x397/0x810 [ 4918.634460][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4918.634460][ T73] process_backlog+0x101/0x620 [ 4918.634460][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4918.634460][ T73] net_rx_action+0x495/0xbe0 [ 4918.634460][ T73] __do_softirq+0x1b5/0x7f6 [ 4918.634460][ T73] [ 4918.637114][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.637114][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.637114][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.637114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.637114][ T73] ip6_route_add+0x1c/0x140 [ 4918.637114][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4918.637114][ T73] inet6_addr_add+0x4f8/0xa40 [ 4918.637114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.637114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.637114][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.637114][ T73] netlink_unicast+0x449/0x710 [ 4918.637114][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.637114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.637114][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.637114][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.637114][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.637114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.637114][ T73] [ 4918.640417][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.640417][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.640417][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.640417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.640417][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4918.640417][ T73] ipv6_add_addr+0x411/0x2000 [ 4918.640417][ T73] inet6_addr_add+0x30e/0xa40 [ 4918.640417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.640417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.640417][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.640417][ T73] netlink_unicast+0x449/0x710 [ 4918.640417][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.640417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.640417][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.640417][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.640417][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.640417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.640417][ T73] [ 4918.643752][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.643752][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.643752][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.643752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.643752][ T73] ip6_route_add+0x1c/0x140 [ 4918.643752][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4918.643752][ T73] addrconf_add_dev+0xe2/0x170 [ 4918.643752][ T73] inet6_addr_add+0x12f/0xa40 [ 4918.643752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.643752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.643752][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.643752][ T73] netlink_unicast+0x449/0x710 [ 4918.643752][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.643752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.643752][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.643752][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.643752][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.643752][ T73] [ 4918.647000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.647000][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4918.647000][ T73] ipv6_find_idev+0x102/0x170 [ 4918.647000][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.647000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.647000][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.647000][ T73] netlink_unicast+0x449/0x710 [ 4918.647000][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.647000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.647000][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.647000][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.647000][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.647000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.647000][ T73] [ 4918.649504][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4918.649504][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4918.649504][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4918.649504][ T73] ipv6_find_idev+0x102/0x170 [ 4918.649504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.649504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.649504][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.649504][ T73] netlink_unicast+0x449/0x710 [ 4918.649504][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.649504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.649504][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.649504][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.649504][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.649504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.649504][ T73] [ 4918.652256][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4918.652643][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4918.652643][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.652643][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.652643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.652643][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4918.652643][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4918.652643][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4918.652643][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4918.652643][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4918.652643][ T73] addrconf_dad_begin+0x310/0x670 [ 4918.652643][ T73] addrconf_dad_work+0x10b/0xab0 [ 4918.652643][ T73] process_one_work+0x84d/0x18a0 [ 4918.652643][ T73] worker_thread+0x587/0xd30 [ 4918.652643][ T73] kthread+0x28a/0x350 [ 4918.652643][ T73] ret_from_fork+0x31/0x70 [ 4918.652643][ T73] ret_from_fork_asm+0x1a/0x30 [ 4918.652643][ T73] [ 4918.655883][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4918.655883][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.655883][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.655883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.655883][ T73] ip6_route_add+0x1c/0x140 [ 4918.655883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4918.655883][ T73] inet6_addr_add+0x4f8/0xa40 [ 4918.655883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.655883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.655883][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.655883][ T73] netlink_unicast+0x449/0x710 [ 4918.655883][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.655883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.655883][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.655883][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.655883][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.655883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.655883][ T73] [ 4918.659225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4918.659225][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.659225][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.659225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.659225][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4918.659225][ T73] ipv6_add_addr+0x411/0x2000 [ 4918.659225][ T73] inet6_addr_add+0x30e/0xa40 [ 4918.659225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.659225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.659225][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.659225][ T73] netlink_unicast+0x449/0x710 [ 4918.659225][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.659225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.659225][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.659225][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.659225][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.659225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.659225][ T73] [ 4918.662606][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4918.662606][ T73] netdev_get_by_index+0x5e/0x80 [ 4918.662606][ T73] fib6_nh_init+0x3d8/0x1580 [ 4918.662606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4918.662606][ T73] ip6_route_add+0x1c/0x140 [ 4918.662606][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4918.662606][ T73] addrconf_add_dev+0xe2/0x170 [ 4918.662606][ T73] inet6_addr_add+0x12f/0xa40 [ 4918.662606][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4918.662606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.662606][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.662606][ T73] netlink_unicast+0x449/0x710 [ 4918.662606][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.662606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.662606][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.662606][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.662606][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.662606][ T73] [ 4918.666107][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4918.666107][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4918.666107][ T73] ipv6_find_idev+0x102/0x170 [ 4918.666107][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.666107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.666107][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.666107][ T73] netlink_unicast+0x449/0x710 [ 4918.666107][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.666107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.666107][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.666107][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.666107][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.666107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.666107][ T73] [ 4918.668803][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4918.668803][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4918.668803][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4918.668803][ T73] ipv6_find_idev+0x102/0x170 [ 4918.668803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4918.668803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4918.668803][ T73] netlink_rcv_skb+0x130/0x360 [ 4918.668803][ T73] netlink_unicast+0x449/0x710 [ 4918.668803][ T73] netlink_sendmsg+0x723/0xbe0 [ 4918.668803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4918.668803][ T73] ___sys_sendmsg+0xee/0x170 [ 4918.668803][ T73] __sys_sendmsg+0xcd/0x170 [ 4918.668803][ T73] do_syscall_64+0xc6/0x1e0 [ 4918.668803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4918.668803][ T73] [ 4928.782907][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4928.783353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.783353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4928.783353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4928.783353][ T73] fib6_nh_init+0xa22/0x1580 [ 4928.783353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.783353][ T73] ip6_route_add+0x1c/0x140 [ 4928.783353][ T73] inet6_rtm_newroute+0x104/0x110 [ 4928.783353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.783353][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.783353][ T73] netlink_unicast+0x449/0x710 [ 4928.783353][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.783353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.783353][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.783353][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.783353][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.783353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.783353][ T73] [ 4928.785240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.785240][ T73] dst_init+0x84/0x4a0 [ 4928.785240][ T73] dst_alloc+0x97/0x150 [ 4928.785240][ T73] ip6_dst_alloc+0x23/0x90 [ 4928.785240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4928.785240][ T73] ip6_pol_route+0x56f/0x840 [ 4928.785240][ T73] fib6_rule_lookup+0x456/0x630 [ 4928.785240][ T73] ip6_route_input+0x59c/0xa50 [ 4928.785240][ T73] ipv6_rcv+0x397/0x810 [ 4928.785240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4928.785240][ T73] process_backlog+0x101/0x620 [ 4928.785240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4928.785240][ T73] net_rx_action+0x495/0xbe0 [ 4928.785240][ T73] __do_softirq+0x1b5/0x7f6 [ 4928.785240][ T73] [ 4928.786865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.786865][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.786865][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.786865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.786865][ T73] ip6_route_add+0x1c/0x140 [ 4928.786865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4928.786865][ T73] inet6_addr_add+0x4f8/0xa40 [ 4928.786865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.786865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.786865][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.786865][ T73] netlink_unicast+0x449/0x710 [ 4928.786865][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.786865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.786865][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.786865][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.786865][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.786865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.786865][ T73] [ 4928.788869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.788869][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.788869][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.788869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.788869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4928.788869][ T73] ipv6_add_addr+0x411/0x2000 [ 4928.788869][ T73] inet6_addr_add+0x30e/0xa40 [ 4928.788869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.788869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.788869][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.788869][ T73] netlink_unicast+0x449/0x710 [ 4928.788869][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.788869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.788869][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.788869][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.788869][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.788869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.788869][ T73] [ 4928.790864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.790864][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.790864][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.790864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.790864][ T73] ip6_route_add+0x1c/0x140 [ 4928.790864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4928.790864][ T73] addrconf_add_dev+0xe2/0x170 [ 4928.790864][ T73] inet6_addr_add+0x12f/0xa40 [ 4928.790864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.790864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.790864][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.790864][ T73] netlink_unicast+0x449/0x710 [ 4928.790864][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.790864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.790864][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.790864][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.790864][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.790864][ T73] [ 4928.792816][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.792816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4928.792816][ T73] ipv6_find_idev+0x102/0x170 [ 4928.792816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.792816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.792816][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.792816][ T73] netlink_unicast+0x449/0x710 [ 4928.792816][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.792816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.792816][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.792816][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.792816][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.792816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.792816][ T73] [ 4928.794337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4928.794337][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4928.794337][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4928.794337][ T73] ipv6_find_idev+0x102/0x170 [ 4928.794337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.794337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.794337][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.794337][ T73] netlink_unicast+0x449/0x710 [ 4928.794337][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.794337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.794337][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.794337][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.794337][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.794337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.794337][ T73] [ 4928.796003][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4928.796269][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.796269][ T73] dst_init+0x84/0x4a0 [ 4928.796269][ T73] dst_alloc+0x97/0x150 [ 4928.796269][ T73] ip6_dst_alloc+0x23/0x90 [ 4928.796269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4928.796269][ T73] ip6_pol_route+0x56f/0x840 [ 4928.796269][ T73] fib6_rule_lookup+0x456/0x630 [ 4928.796269][ T73] ip6_route_input+0x59c/0xa50 [ 4928.796269][ T73] ipv6_rcv+0x397/0x810 [ 4928.796269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4928.796269][ T73] process_backlog+0x101/0x620 [ 4928.796269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4928.796269][ T73] net_rx_action+0x495/0xbe0 [ 4928.796269][ T73] __do_softirq+0x1b5/0x7f6 [ 4928.796269][ T73] [ 4928.797899][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.797899][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.797899][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.797899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.797899][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4928.797899][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4928.797899][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4928.797899][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4928.797899][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4928.797899][ T73] addrconf_dad_begin+0x310/0x670 [ 4928.797899][ T73] addrconf_dad_work+0x10b/0xab0 [ 4928.797899][ T73] process_one_work+0x84d/0x18a0 [ 4928.797899][ T73] worker_thread+0x587/0xd30 [ 4928.797899][ T73] kthread+0x28a/0x350 [ 4928.797899][ T73] ret_from_fork+0x31/0x70 [ 4928.797899][ T73] ret_from_fork_asm+0x1a/0x30 [ 4928.797899][ T73] [ 4928.799791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.799791][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.799791][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.799791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.799791][ T73] ip6_route_add+0x1c/0x140 [ 4928.799791][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4928.799791][ T73] inet6_addr_add+0x4f8/0xa40 [ 4928.799791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.799791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.799791][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.799791][ T73] netlink_unicast+0x449/0x710 [ 4928.799791][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.799791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.799791][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.799791][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.799791][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.799791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.799791][ T73] [ 4928.801770][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.801770][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.801770][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.801770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.801770][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4928.801770][ T73] ipv6_add_addr+0x411/0x2000 [ 4928.801770][ T73] inet6_addr_add+0x30e/0xa40 [ 4928.801770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.801770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.801770][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.801770][ T73] netlink_unicast+0x449/0x710 [ 4928.801770][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.801770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.801770][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.801770][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.801770][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.801770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.801770][ T73] [ 4928.803744][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.803744][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.803744][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.803744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.803744][ T73] ip6_route_add+0x1c/0x140 [ 4928.803744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4928.803744][ T73] addrconf_add_dev+0xe2/0x170 [ 4928.803744][ T73] inet6_addr_add+0x12f/0xa40 [ 4928.803744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.803744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.803744][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.803744][ T73] netlink_unicast+0x449/0x710 [ 4928.803744][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.803744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.803744][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.803744][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.803744][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.803744][ T73] [ 4928.805683][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.805683][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4928.805683][ T73] ipv6_find_idev+0x102/0x170 [ 4928.805683][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.805683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.805683][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.805683][ T73] netlink_unicast+0x449/0x710 [ 4928.805683][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.805683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.805683][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.805683][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.805683][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.805683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.805683][ T73] [ 4928.807206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4928.807206][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4928.807206][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4928.807206][ T73] ipv6_find_idev+0x102/0x170 [ 4928.807206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.807206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.807206][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.807206][ T73] netlink_unicast+0x449/0x710 [ 4928.807206][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.807206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.807206][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.807206][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.807206][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.807206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.807206][ T73] [ 4928.809000][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4928.809264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.809264][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4928.809264][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4928.809264][ T73] fib6_nh_init+0xa22/0x1580 [ 4928.809264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.809264][ T73] ip6_route_add+0x1c/0x140 [ 4928.809264][ T73] inet6_rtm_newroute+0x104/0x110 [ 4928.809264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.809264][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.809264][ T73] netlink_unicast+0x449/0x710 [ 4928.809264][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.809264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.809264][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.809264][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.809264][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.809264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.809264][ T73] [ 4928.811424][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.811424][ T73] dst_init+0x84/0x4a0 [ 4928.811424][ T73] dst_alloc+0x97/0x150 [ 4928.811424][ T73] ip6_dst_alloc+0x23/0x90 [ 4928.811424][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4928.811424][ T73] ip6_pol_route+0x56f/0x840 [ 4928.811424][ T73] fib6_rule_lookup+0x456/0x630 [ 4928.811424][ T73] ip6_route_input+0x59c/0xa50 [ 4928.811424][ T73] ipv6_rcv+0x397/0x810 [ 4928.811424][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4928.811424][ T73] process_backlog+0x101/0x620 [ 4928.811424][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4928.811424][ T73] net_rx_action+0x495/0xbe0 [ 4928.811424][ T73] __do_softirq+0x1b5/0x7f6 [ 4928.811424][ T73] [ 4928.813225][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.813225][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.813225][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.813225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.813225][ T73] ip6_route_add+0x1c/0x140 [ 4928.813225][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4928.813225][ T73] inet6_addr_add+0x4f8/0xa40 [ 4928.813225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.813225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.813225][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.813225][ T73] netlink_unicast+0x449/0x710 [ 4928.813225][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.813225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.813225][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.813225][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.813225][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.813225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.813225][ T73] [ 4928.815393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.815393][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.815393][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.815393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.815393][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4928.815393][ T73] ipv6_add_addr+0x411/0x2000 [ 4928.815393][ T73] inet6_addr_add+0x30e/0xa40 [ 4928.815393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.815393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.815393][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.815393][ T73] netlink_unicast+0x449/0x710 [ 4928.815393][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.815393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.815393][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.815393][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.815393][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.815393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.815393][ T73] [ 4928.817619][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.817619][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.817619][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.817619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.817619][ T73] ip6_route_add+0x1c/0x140 [ 4928.817619][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4928.817619][ T73] addrconf_add_dev+0xe2/0x170 [ 4928.817619][ T73] inet6_addr_add+0x12f/0xa40 [ 4928.817619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.817619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.817619][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.817619][ T73] netlink_unicast+0x449/0x710 [ 4928.817619][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.817619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.817619][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.817619][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.817619][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.817619][ T73] [ 4928.819871][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.819871][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4928.819871][ T73] ipv6_find_idev+0x102/0x170 [ 4928.819871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.819871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.819871][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.819871][ T73] netlink_unicast+0x449/0x710 [ 4928.819871][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.819871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.819871][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.819871][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.819871][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.819871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.819871][ T73] [ 4928.821578][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4928.821578][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4928.821578][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4928.821578][ T73] ipv6_find_idev+0x102/0x170 [ 4928.821578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.821578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.821578][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.821578][ T73] netlink_unicast+0x449/0x710 [ 4928.821578][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.821578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.821578][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.821578][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.821578][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.821578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.821578][ T73] [ 4928.823419][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4928.823752][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4928.823752][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.823752][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.823752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.823752][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4928.823752][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4928.823752][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4928.823752][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4928.823752][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4928.823752][ T73] addrconf_dad_begin+0x310/0x670 [ 4928.823752][ T73] addrconf_dad_work+0x10b/0xab0 [ 4928.823752][ T73] process_one_work+0x84d/0x18a0 [ 4928.823752][ T73] worker_thread+0x587/0xd30 [ 4928.823752][ T73] kthread+0x28a/0x350 [ 4928.823752][ T73] ret_from_fork+0x31/0x70 [ 4928.823752][ T73] ret_from_fork_asm+0x1a/0x30 [ 4928.823752][ T73] [ 4928.825759][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4928.825759][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.825759][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.825759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.825759][ T73] ip6_route_add+0x1c/0x140 [ 4928.825759][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4928.825759][ T73] inet6_addr_add+0x4f8/0xa40 [ 4928.825759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.825759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.825759][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.825759][ T73] netlink_unicast+0x449/0x710 [ 4928.825759][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.825759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.825759][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.825759][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.825759][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.825759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.825759][ T73] [ 4928.827989][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4928.827989][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.827989][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.827989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.827989][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4928.827989][ T73] ipv6_add_addr+0x411/0x2000 [ 4928.827989][ T73] inet6_addr_add+0x30e/0xa40 [ 4928.827989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.827989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.827989][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.827989][ T73] netlink_unicast+0x449/0x710 [ 4928.827989][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.827989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.827989][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.827989][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.827989][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.827989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.827989][ T73] [ 4928.830282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4928.830282][ T73] netdev_get_by_index+0x5e/0x80 [ 4928.830282][ T73] fib6_nh_init+0x3d8/0x1580 [ 4928.830282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4928.830282][ T73] ip6_route_add+0x1c/0x140 [ 4928.830282][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4928.830282][ T73] addrconf_add_dev+0xe2/0x170 [ 4928.830282][ T73] inet6_addr_add+0x12f/0xa40 [ 4928.830282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4928.830282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.830282][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.830282][ T73] netlink_unicast+0x449/0x710 [ 4928.830282][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.830282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.830282][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.830282][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.830282][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.830282][ T73] [ 4928.832466][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4928.832466][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4928.832466][ T73] ipv6_find_idev+0x102/0x170 [ 4928.832466][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.832466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.832466][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.832466][ T73] netlink_unicast+0x449/0x710 [ 4928.832466][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.832466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.832466][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.832466][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.832466][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.832466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.832466][ T73] [ 4928.834169][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4928.834169][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4928.834169][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4928.834169][ T73] ipv6_find_idev+0x102/0x170 [ 4928.834169][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4928.834169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4928.834169][ T73] netlink_rcv_skb+0x130/0x360 [ 4928.834169][ T73] netlink_unicast+0x449/0x710 [ 4928.834169][ T73] netlink_sendmsg+0x723/0xbe0 [ 4928.834169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4928.834169][ T73] ___sys_sendmsg+0xee/0x170 [ 4928.834169][ T73] __sys_sendmsg+0xcd/0x170 [ 4928.834169][ T73] do_syscall_64+0xc6/0x1e0 [ 4928.834169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4928.834169][ T73] [ 4939.078899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4939.079345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.079345][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4939.079345][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4939.079345][ T73] fib6_nh_init+0xa22/0x1580 [ 4939.079345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.079345][ T73] ip6_route_add+0x1c/0x140 [ 4939.079345][ T73] inet6_rtm_newroute+0x104/0x110 [ 4939.079345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.079345][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.079345][ T73] netlink_unicast+0x449/0x710 [ 4939.079345][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.079345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.079345][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.079345][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.079345][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.079345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.079345][ T73] [ 4939.081225][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.081225][ T73] dst_init+0x84/0x4a0 [ 4939.081225][ T73] dst_alloc+0x97/0x150 [ 4939.081225][ T73] ip6_dst_alloc+0x23/0x90 [ 4939.081225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4939.081225][ T73] ip6_pol_route+0x56f/0x840 [ 4939.081225][ T73] fib6_rule_lookup+0x456/0x630 [ 4939.081225][ T73] ip6_route_input+0x59c/0xa50 [ 4939.081225][ T73] ipv6_rcv+0x397/0x810 [ 4939.081225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4939.081225][ T73] process_backlog+0x101/0x620 [ 4939.081225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4939.081225][ T73] net_rx_action+0x495/0xbe0 [ 4939.081225][ T73] __do_softirq+0x1b5/0x7f6 [ 4939.081225][ T73] [ 4939.082849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.082849][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.082849][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.082849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.082849][ T73] ip6_route_add+0x1c/0x140 [ 4939.082849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4939.082849][ T73] inet6_addr_add+0x4f8/0xa40 [ 4939.082849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.082849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.082849][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.082849][ T73] netlink_unicast+0x449/0x710 [ 4939.082849][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.082849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.082849][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.082849][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.082849][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.082849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.082849][ T73] [ 4939.084842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.084842][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.084842][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.084842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.084842][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4939.084842][ T73] ipv6_add_addr+0x411/0x2000 [ 4939.084842][ T73] inet6_addr_add+0x30e/0xa40 [ 4939.084842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.084842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.084842][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.084842][ T73] netlink_unicast+0x449/0x710 [ 4939.084842][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.084842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.084842][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.084842][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.084842][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.084842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.084842][ T73] [ 4939.086822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.086822][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.086822][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.086822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.086822][ T73] ip6_route_add+0x1c/0x140 [ 4939.086822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4939.086822][ T73] addrconf_add_dev+0xe2/0x170 [ 4939.086822][ T73] inet6_addr_add+0x12f/0xa40 [ 4939.086822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.086822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.086822][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.086822][ T73] netlink_unicast+0x449/0x710 [ 4939.086822][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.086822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.086822][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.086822][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.086822][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.086822][ T73] [ 4939.088782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.088782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4939.088782][ T73] ipv6_find_idev+0x102/0x170 [ 4939.088782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.088782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.088782][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.088782][ T73] netlink_unicast+0x449/0x710 [ 4939.088782][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.088782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.088782][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.088782][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.088782][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.088782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.088782][ T73] [ 4939.090303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4939.090303][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4939.090303][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4939.090303][ T73] ipv6_find_idev+0x102/0x170 [ 4939.090303][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.090303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.090303][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.090303][ T73] netlink_unicast+0x449/0x710 [ 4939.090303][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.090303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.090303][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.090303][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.090303][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.090303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.090303][ T73] [ 4939.091984][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4939.092252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.092252][ T73] dst_init+0x84/0x4a0 [ 4939.092252][ T73] dst_alloc+0x97/0x150 [ 4939.092252][ T73] ip6_dst_alloc+0x23/0x90 [ 4939.092252][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4939.092252][ T73] ip6_pol_route+0x56f/0x840 [ 4939.092252][ T73] fib6_rule_lookup+0x456/0x630 [ 4939.092252][ T73] ip6_route_input+0x59c/0xa50 [ 4939.092252][ T73] ipv6_rcv+0x397/0x810 [ 4939.092252][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4939.092252][ T73] process_backlog+0x101/0x620 [ 4939.092252][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4939.092252][ T73] net_rx_action+0x495/0xbe0 [ 4939.092252][ T73] __do_softirq+0x1b5/0x7f6 [ 4939.092252][ T73] [ 4939.093879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.093879][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.093879][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.093879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.093879][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4939.093879][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4939.093879][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4939.093879][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4939.093879][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4939.093879][ T73] addrconf_dad_begin+0x310/0x670 [ 4939.093879][ T73] addrconf_dad_work+0x10b/0xab0 [ 4939.093879][ T73] process_one_work+0x84d/0x18a0 [ 4939.093879][ T73] worker_thread+0x587/0xd30 [ 4939.093879][ T73] kthread+0x28a/0x350 [ 4939.093879][ T73] ret_from_fork+0x31/0x70 [ 4939.093879][ T73] ret_from_fork_asm+0x1a/0x30 [ 4939.093879][ T73] [ 4939.095775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.095775][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.095775][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.095775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.095775][ T73] ip6_route_add+0x1c/0x140 [ 4939.095775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4939.095775][ T73] inet6_addr_add+0x4f8/0xa40 [ 4939.095775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.095775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.095775][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.095775][ T73] netlink_unicast+0x449/0x710 [ 4939.095775][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.095775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.095775][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.095775][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.095775][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.095775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.095775][ T73] [ 4939.097758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.097758][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.097758][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.097758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.097758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4939.097758][ T73] ipv6_add_addr+0x411/0x2000 [ 4939.097758][ T73] inet6_addr_add+0x30e/0xa40 [ 4939.097758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.097758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.097758][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.097758][ T73] netlink_unicast+0x449/0x710 [ 4939.097758][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.097758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.097758][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.097758][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.097758][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.097758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.097758][ T73] [ 4939.099734][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.099734][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.099734][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.099734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.099734][ T73] ip6_route_add+0x1c/0x140 [ 4939.099734][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4939.099734][ T73] addrconf_add_dev+0xe2/0x170 [ 4939.099734][ T73] inet6_addr_add+0x12f/0xa40 [ 4939.099734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.099734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.099734][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.099734][ T73] netlink_unicast+0x449/0x710 [ 4939.099734][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.099734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.099734][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.099734][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.099734][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.099734][ T73] [ 4939.101671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.101671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4939.101671][ T73] ipv6_find_idev+0x102/0x170 [ 4939.101671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.101671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.101671][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.101671][ T73] netlink_unicast+0x449/0x710 [ 4939.101671][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.101671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.101671][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.101671][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.101671][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.101671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.101671][ T73] [ 4939.103190][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4939.103190][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4939.103190][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4939.103190][ T73] ipv6_find_idev+0x102/0x170 [ 4939.103190][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.103190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.103190][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.103190][ T73] netlink_unicast+0x449/0x710 [ 4939.103190][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.103190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.103190][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.103190][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.103190][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.103190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.103190][ T73] [ 4939.104972][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4939.105236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.105236][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4939.105236][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4939.105236][ T73] fib6_nh_init+0xa22/0x1580 [ 4939.105236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.105236][ T73] ip6_route_add+0x1c/0x140 [ 4939.105236][ T73] inet6_rtm_newroute+0x104/0x110 [ 4939.105236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.105236][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.105236][ T73] netlink_unicast+0x449/0x710 [ 4939.105236][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.105236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.105236][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.105236][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.105236][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.105236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.105236][ T73] [ 4939.107399][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.107399][ T73] dst_init+0x84/0x4a0 [ 4939.107399][ T73] dst_alloc+0x97/0x150 [ 4939.107399][ T73] ip6_dst_alloc+0x23/0x90 [ 4939.107399][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4939.107399][ T73] ip6_pol_route+0x56f/0x840 [ 4939.107399][ T73] fib6_rule_lookup+0x456/0x630 [ 4939.107399][ T73] ip6_route_input+0x59c/0xa50 [ 4939.107399][ T73] ipv6_rcv+0x397/0x810 [ 4939.107399][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4939.107399][ T73] process_backlog+0x101/0x620 [ 4939.107399][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4939.107399][ T73] net_rx_action+0x495/0xbe0 [ 4939.107399][ T73] __do_softirq+0x1b5/0x7f6 [ 4939.107399][ T73] [ 4939.109211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.109211][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.109211][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.109211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.109211][ T73] ip6_route_add+0x1c/0x140 [ 4939.109211][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4939.109211][ T73] inet6_addr_add+0x4f8/0xa40 [ 4939.109211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.109211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.109211][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.109211][ T73] netlink_unicast+0x449/0x710 [ 4939.109211][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.109211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.109211][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.109211][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.109211][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.109211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.109211][ T73] [ 4939.111370][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.111370][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.111370][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.111370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.111370][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4939.111370][ T73] ipv6_add_addr+0x411/0x2000 [ 4939.111370][ T73] inet6_addr_add+0x30e/0xa40 [ 4939.111370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.111370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.111370][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.111370][ T73] netlink_unicast+0x449/0x710 [ 4939.111370][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.111370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.111370][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.111370][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.111370][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.111370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.111370][ T73] [ 4939.113588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.113588][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.113588][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.113588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.113588][ T73] ip6_route_add+0x1c/0x140 [ 4939.113588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4939.113588][ T73] addrconf_add_dev+0xe2/0x170 [ 4939.113588][ T73] inet6_addr_add+0x12f/0xa40 [ 4939.113588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.113588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.113588][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.113588][ T73] netlink_unicast+0x449/0x710 [ 4939.113588][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.113588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.113588][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.113588][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.113588][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.113588][ T73] [ 4939.116358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.116358][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4939.116358][ T73] ipv6_find_idev+0x102/0x170 [ 4939.116358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.116358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.116358][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.116358][ T73] netlink_unicast+0x449/0x710 [ 4939.116358][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.116358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.116358][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.116358][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.116358][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.116358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.116358][ T73] [ 4939.118068][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4939.118068][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4939.118068][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4939.118068][ T73] ipv6_find_idev+0x102/0x170 [ 4939.118068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.118068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.118068][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.118068][ T73] netlink_unicast+0x449/0x710 [ 4939.118068][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.118068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.118068][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.118068][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.118068][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.118068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.118068][ T73] [ 4939.119912][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4939.120237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4939.120237][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.120237][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.120237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.120237][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4939.120237][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4939.120237][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4939.120237][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4939.120237][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4939.120237][ T73] addrconf_dad_begin+0x310/0x670 [ 4939.120237][ T73] addrconf_dad_work+0x10b/0xab0 [ 4939.120237][ T73] process_one_work+0x84d/0x18a0 [ 4939.120237][ T73] worker_thread+0x587/0xd30 [ 4939.120237][ T73] kthread+0x28a/0x350 [ 4939.120237][ T73] ret_from_fork+0x31/0x70 [ 4939.120237][ T73] ret_from_fork_asm+0x1a/0x30 [ 4939.120237][ T73] [ 4939.122304][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4939.122304][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.122304][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.122304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.122304][ T73] ip6_route_add+0x1c/0x140 [ 4939.122304][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4939.122304][ T73] inet6_addr_add+0x4f8/0xa40 [ 4939.122304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.122304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.122304][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.122304][ T73] netlink_unicast+0x449/0x710 [ 4939.122304][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.122304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.122304][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.122304][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.122304][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.122304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.122304][ T73] [ 4939.124528][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4939.124528][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.124528][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.124528][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.124528][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4939.124528][ T73] ipv6_add_addr+0x411/0x2000 [ 4939.124528][ T73] inet6_addr_add+0x30e/0xa40 [ 4939.124528][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.124528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.124528][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.124528][ T73] netlink_unicast+0x449/0x710 [ 4939.124528][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.124528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.124528][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.124528][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.124528][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.124528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.124528][ T73] [ 4939.126812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4939.126812][ T73] netdev_get_by_index+0x5e/0x80 [ 4939.126812][ T73] fib6_nh_init+0x3d8/0x1580 [ 4939.126812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4939.126812][ T73] ip6_route_add+0x1c/0x140 [ 4939.126812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4939.126812][ T73] addrconf_add_dev+0xe2/0x170 [ 4939.126812][ T73] inet6_addr_add+0x12f/0xa40 [ 4939.126812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4939.126812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.126812][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.126812][ T73] netlink_unicast+0x449/0x710 [ 4939.126812][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.126812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.126812][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.126812][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.126812][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.126812][ T73] [ 4939.128997][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4939.128997][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4939.128997][ T73] ipv6_find_idev+0x102/0x170 [ 4939.128997][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.128997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.128997][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.128997][ T73] netlink_unicast+0x449/0x710 [ 4939.128997][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.128997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.128997][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.128997][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.128997][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.128997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.128997][ T73] [ 4939.130699][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4939.130699][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4939.130699][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4939.130699][ T73] ipv6_find_idev+0x102/0x170 [ 4939.130699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4939.130699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4939.130699][ T73] netlink_rcv_skb+0x130/0x360 [ 4939.130699][ T73] netlink_unicast+0x449/0x710 [ 4939.130699][ T73] netlink_sendmsg+0x723/0xbe0 [ 4939.130699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4939.130699][ T73] ___sys_sendmsg+0xee/0x170 [ 4939.130699][ T73] __sys_sendmsg+0xcd/0x170 [ 4939.130699][ T73] do_syscall_64+0xc6/0x1e0 [ 4939.130699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4939.130699][ T73] [ 4949.374894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4949.375339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.375339][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4949.375339][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4949.375339][ T73] fib6_nh_init+0xa22/0x1580 [ 4949.375339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.375339][ T73] ip6_route_add+0x1c/0x140 [ 4949.375339][ T73] inet6_rtm_newroute+0x104/0x110 [ 4949.375339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.375339][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.375339][ T73] netlink_unicast+0x449/0x710 [ 4949.375339][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.375339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.375339][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.375339][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.375339][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.375339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.375339][ T73] [ 4949.377231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.377231][ T73] dst_init+0x84/0x4a0 [ 4949.377231][ T73] dst_alloc+0x97/0x150 [ 4949.377231][ T73] ip6_dst_alloc+0x23/0x90 [ 4949.377231][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4949.377231][ T73] ip6_pol_route+0x56f/0x840 [ 4949.377231][ T73] fib6_rule_lookup+0x456/0x630 [ 4949.377231][ T73] ip6_route_input+0x59c/0xa50 [ 4949.377231][ T73] ipv6_rcv+0x397/0x810 [ 4949.377231][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4949.377231][ T73] process_backlog+0x101/0x620 [ 4949.377231][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4949.377231][ T73] net_rx_action+0x495/0xbe0 [ 4949.377231][ T73] __do_softirq+0x1b5/0x7f6 [ 4949.377231][ T73] [ 4949.378864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.378864][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.378864][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.378864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.378864][ T73] ip6_route_add+0x1c/0x140 [ 4949.378864][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4949.378864][ T73] inet6_addr_add+0x4f8/0xa40 [ 4949.378864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.378864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.378864][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.378864][ T73] netlink_unicast+0x449/0x710 [ 4949.378864][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.378864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.378864][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.378864][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.378864][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.378864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.378864][ T73] [ 4949.380851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.380851][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.380851][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.380851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.380851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4949.380851][ T73] ipv6_add_addr+0x411/0x2000 [ 4949.380851][ T73] inet6_addr_add+0x30e/0xa40 [ 4949.380851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.380851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.380851][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.380851][ T73] netlink_unicast+0x449/0x710 [ 4949.380851][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.380851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.380851][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.380851][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.380851][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.380851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.380851][ T73] [ 4949.382834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.382834][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.382834][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.382834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.382834][ T73] ip6_route_add+0x1c/0x140 [ 4949.382834][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4949.382834][ T73] addrconf_add_dev+0xe2/0x170 [ 4949.382834][ T73] inet6_addr_add+0x12f/0xa40 [ 4949.382834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.382834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.382834][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.382834][ T73] netlink_unicast+0x449/0x710 [ 4949.382834][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.382834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.382834][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.382834][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.382834][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.382834][ T73] [ 4949.384787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.384787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4949.384787][ T73] ipv6_find_idev+0x102/0x170 [ 4949.384787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.384787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.384787][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.384787][ T73] netlink_unicast+0x449/0x710 [ 4949.384787][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.384787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.384787][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.384787][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.384787][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.384787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.384787][ T73] [ 4949.386316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4949.386316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4949.386316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4949.386316][ T73] ipv6_find_idev+0x102/0x170 [ 4949.386316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.386316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.386316][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.386316][ T73] netlink_unicast+0x449/0x710 [ 4949.386316][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.386316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.386316][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.386316][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.386316][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.386316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.386316][ T73] [ 4949.387992][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4949.388256][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.388256][ T73] dst_init+0x84/0x4a0 [ 4949.388256][ T73] dst_alloc+0x97/0x150 [ 4949.388256][ T73] ip6_dst_alloc+0x23/0x90 [ 4949.388256][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4949.388256][ T73] ip6_pol_route+0x56f/0x840 [ 4949.388256][ T73] fib6_rule_lookup+0x456/0x630 [ 4949.388256][ T73] ip6_route_input+0x59c/0xa50 [ 4949.388256][ T73] ipv6_rcv+0x397/0x810 [ 4949.388256][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4949.388256][ T73] process_backlog+0x101/0x620 [ 4949.388256][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4949.388256][ T73] net_rx_action+0x495/0xbe0 [ 4949.388256][ T73] __do_softirq+0x1b5/0x7f6 [ 4949.388256][ T73] [ 4949.389881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.389881][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.389881][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.389881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.389881][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4949.389881][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4949.389881][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4949.389881][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4949.389881][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4949.389881][ T73] addrconf_dad_begin+0x310/0x670 [ 4949.389881][ T73] addrconf_dad_work+0x10b/0xab0 [ 4949.389881][ T73] process_one_work+0x84d/0x18a0 [ 4949.389881][ T73] worker_thread+0x587/0xd30 [ 4949.389881][ T73] kthread+0x28a/0x350 [ 4949.389881][ T73] ret_from_fork+0x31/0x70 [ 4949.389881][ T73] ret_from_fork_asm+0x1a/0x30 [ 4949.389881][ T73] [ 4949.391770][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.391770][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.391770][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.391770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.391770][ T73] ip6_route_add+0x1c/0x140 [ 4949.391770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4949.391770][ T73] inet6_addr_add+0x4f8/0xa40 [ 4949.391770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.391770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.391770][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.391770][ T73] netlink_unicast+0x449/0x710 [ 4949.391770][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.391770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.391770][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.391770][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.391770][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.391770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.391770][ T73] [ 4949.393750][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.393750][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.393750][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.393750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.393750][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4949.393750][ T73] ipv6_add_addr+0x411/0x2000 [ 4949.393750][ T73] inet6_addr_add+0x30e/0xa40 [ 4949.393750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.393750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.393750][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.393750][ T73] netlink_unicast+0x449/0x710 [ 4949.393750][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.393750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.393750][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.393750][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.393750][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.393750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.393750][ T73] [ 4949.395731][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.395731][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.395731][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.395731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.395731][ T73] ip6_route_add+0x1c/0x140 [ 4949.395731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4949.395731][ T73] addrconf_add_dev+0xe2/0x170 [ 4949.395731][ T73] inet6_addr_add+0x12f/0xa40 [ 4949.395731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.395731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.395731][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.395731][ T73] netlink_unicast+0x449/0x710 [ 4949.395731][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.395731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.395731][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.395731][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.395731][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.395731][ T73] [ 4949.397680][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.397680][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4949.397680][ T73] ipv6_find_idev+0x102/0x170 [ 4949.397680][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.397680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.397680][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.397680][ T73] netlink_unicast+0x449/0x710 [ 4949.397680][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.397680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.397680][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.397680][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.397680][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.397680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.397680][ T73] [ 4949.399204][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4949.399204][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4949.399204][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4949.399204][ T73] ipv6_find_idev+0x102/0x170 [ 4949.399204][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.399204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.399204][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.399204][ T73] netlink_unicast+0x449/0x710 [ 4949.399204][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.399204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.399204][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.399204][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.399204][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.399204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.399204][ T73] [ 4949.401000][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4949.401270][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.401270][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4949.401270][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4949.401270][ T73] fib6_nh_init+0xa22/0x1580 [ 4949.401270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.401270][ T73] ip6_route_add+0x1c/0x140 [ 4949.401270][ T73] inet6_rtm_newroute+0x104/0x110 [ 4949.401270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.401270][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.401270][ T73] netlink_unicast+0x449/0x710 [ 4949.401270][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.401270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.401270][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.401270][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.401270][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.401270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.401270][ T73] [ 4949.403435][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.403435][ T73] dst_init+0x84/0x4a0 [ 4949.403435][ T73] dst_alloc+0x97/0x150 [ 4949.403435][ T73] ip6_dst_alloc+0x23/0x90 [ 4949.403435][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4949.403435][ T73] ip6_pol_route+0x56f/0x840 [ 4949.403435][ T73] fib6_rule_lookup+0x456/0x630 [ 4949.403435][ T73] ip6_route_input+0x59c/0xa50 [ 4949.403435][ T73] ipv6_rcv+0x397/0x810 [ 4949.403435][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4949.403435][ T73] process_backlog+0x101/0x620 [ 4949.403435][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4949.403435][ T73] net_rx_action+0x495/0xbe0 [ 4949.403435][ T73] __do_softirq+0x1b5/0x7f6 [ 4949.403435][ T73] [ 4949.405236][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.405236][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.405236][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.405236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.405236][ T73] ip6_route_add+0x1c/0x140 [ 4949.405236][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4949.405236][ T73] inet6_addr_add+0x4f8/0xa40 [ 4949.405236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.405236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.405236][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.405236][ T73] netlink_unicast+0x449/0x710 [ 4949.405236][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.405236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.405236][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.405236][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.405236][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.405236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.405236][ T73] [ 4949.407391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.407391][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.407391][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.407391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.407391][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4949.407391][ T73] ipv6_add_addr+0x411/0x2000 [ 4949.407391][ T73] inet6_addr_add+0x30e/0xa40 [ 4949.407391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.407391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.407391][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.407391][ T73] netlink_unicast+0x449/0x710 [ 4949.407391][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.407391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.407391][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.407391][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.407391][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.407391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.407391][ T73] [ 4949.409634][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.409634][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.409634][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.409634][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.409634][ T73] ip6_route_add+0x1c/0x140 [ 4949.409634][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4949.409634][ T73] addrconf_add_dev+0xe2/0x170 [ 4949.409634][ T73] inet6_addr_add+0x12f/0xa40 [ 4949.409634][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.409634][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.409634][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.409634][ T73] netlink_unicast+0x449/0x710 [ 4949.409634][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.409634][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.409634][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.409634][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.409634][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.409634][ T73] [ 4949.411881][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.411881][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4949.411881][ T73] ipv6_find_idev+0x102/0x170 [ 4949.411881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.411881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.411881][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.411881][ T73] netlink_unicast+0x449/0x710 [ 4949.411881][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.411881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.411881][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.411881][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.411881][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.411881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.411881][ T73] [ 4949.413592][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4949.413592][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4949.413592][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4949.413592][ T73] ipv6_find_idev+0x102/0x170 [ 4949.413592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.413592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.413592][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.413592][ T73] netlink_unicast+0x449/0x710 [ 4949.413592][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.413592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.413592][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.413592][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.413592][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.413592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.413592][ T73] [ 4949.415464][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4949.415730][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4949.415730][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.415730][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.415730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.415730][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4949.415730][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4949.415730][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4949.415730][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4949.415730][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4949.415730][ T73] addrconf_dad_begin+0x310/0x670 [ 4949.415730][ T73] addrconf_dad_work+0x10b/0xab0 [ 4949.415730][ T73] process_one_work+0x84d/0x18a0 [ 4949.415730][ T73] worker_thread+0x587/0xd30 [ 4949.415730][ T73] kthread+0x28a/0x350 [ 4949.415730][ T73] ret_from_fork+0x31/0x70 [ 4949.415730][ T73] ret_from_fork_asm+0x1a/0x30 [ 4949.415730][ T73] [ 4949.417694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4949.417694][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.417694][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.417694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.417694][ T73] ip6_route_add+0x1c/0x140 [ 4949.417694][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4949.417694][ T73] inet6_addr_add+0x4f8/0xa40 [ 4949.417694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.417694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.417694][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.417694][ T73] netlink_unicast+0x449/0x710 [ 4949.417694][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.417694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.417694][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.417694][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.417694][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.417694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.417694][ T73] [ 4949.419741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4949.419741][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.419741][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.419741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.419741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4949.419741][ T73] ipv6_add_addr+0x411/0x2000 [ 4949.419741][ T73] inet6_addr_add+0x30e/0xa40 [ 4949.419741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.419741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.419741][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.419741][ T73] netlink_unicast+0x449/0x710 [ 4949.419741][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.419741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.419741][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.419741][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.419741][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.419741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.419741][ T73] [ 4949.421878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4949.421878][ T73] netdev_get_by_index+0x5e/0x80 [ 4949.421878][ T73] fib6_nh_init+0x3d8/0x1580 [ 4949.421878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4949.421878][ T73] ip6_route_add+0x1c/0x140 [ 4949.421878][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4949.421878][ T73] addrconf_add_dev+0xe2/0x170 [ 4949.421878][ T73] inet6_addr_add+0x12f/0xa40 [ 4949.421878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4949.421878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.421878][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.421878][ T73] netlink_unicast+0x449/0x710 [ 4949.421878][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.421878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.421878][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.421878][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.421878][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.421878][ T73] [ 4949.423900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4949.423900][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4949.423900][ T73] ipv6_find_idev+0x102/0x170 [ 4949.423900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.423900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.423900][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.423900][ T73] netlink_unicast+0x449/0x710 [ 4949.423900][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.423900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.423900][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.423900][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.423900][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.423900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.423900][ T73] [ 4949.425495][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4949.425495][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4949.425495][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4949.425495][ T73] ipv6_find_idev+0x102/0x170 [ 4949.425495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4949.425495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4949.425495][ T73] netlink_rcv_skb+0x130/0x360 [ 4949.425495][ T73] netlink_unicast+0x449/0x710 [ 4949.425495][ T73] netlink_sendmsg+0x723/0xbe0 [ 4949.425495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4949.425495][ T73] ___sys_sendmsg+0xee/0x170 [ 4949.425495][ T73] __sys_sendmsg+0xcd/0x170 [ 4949.425495][ T73] do_syscall_64+0xc6/0x1e0 [ 4949.425495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4949.425495][ T73] [ 4959.662885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4959.663334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.663334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4959.663334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4959.663334][ T73] fib6_nh_init+0xa22/0x1580 [ 4959.663334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.663334][ T73] ip6_route_add+0x1c/0x140 [ 4959.663334][ T73] inet6_rtm_newroute+0x104/0x110 [ 4959.663334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.663334][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.663334][ T73] netlink_unicast+0x449/0x710 [ 4959.663334][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.663334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.663334][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.663334][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.663334][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.663334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.663334][ T73] [ 4959.665208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.665208][ T73] dst_init+0x84/0x4a0 [ 4959.665208][ T73] dst_alloc+0x97/0x150 [ 4959.665208][ T73] ip6_dst_alloc+0x23/0x90 [ 4959.665208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4959.665208][ T73] ip6_pol_route+0x56f/0x840 [ 4959.665208][ T73] fib6_rule_lookup+0x456/0x630 [ 4959.665208][ T73] ip6_route_input+0x59c/0xa50 [ 4959.665208][ T73] ipv6_rcv+0x397/0x810 [ 4959.665208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4959.665208][ T73] process_backlog+0x101/0x620 [ 4959.665208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4959.665208][ T73] net_rx_action+0x495/0xbe0 [ 4959.665208][ T73] __do_softirq+0x1b5/0x7f6 [ 4959.665208][ T73] [ 4959.666833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.666833][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.666833][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.666833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.666833][ T73] ip6_route_add+0x1c/0x140 [ 4959.666833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4959.666833][ T73] inet6_addr_add+0x4f8/0xa40 [ 4959.666833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.666833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.666833][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.666833][ T73] netlink_unicast+0x449/0x710 [ 4959.666833][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.666833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.666833][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.666833][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.666833][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.666833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.666833][ T73] [ 4959.668828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.668828][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.668828][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.668828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.668828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4959.668828][ T73] ipv6_add_addr+0x411/0x2000 [ 4959.668828][ T73] inet6_addr_add+0x30e/0xa40 [ 4959.668828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.668828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.668828][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.668828][ T73] netlink_unicast+0x449/0x710 [ 4959.668828][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.668828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.668828][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.668828][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.668828][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.668828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.668828][ T73] [ 4959.670806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.670806][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.670806][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.670806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.670806][ T73] ip6_route_add+0x1c/0x140 [ 4959.670806][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4959.670806][ T73] addrconf_add_dev+0xe2/0x170 [ 4959.670806][ T73] inet6_addr_add+0x12f/0xa40 [ 4959.670806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.670806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.670806][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.670806][ T73] netlink_unicast+0x449/0x710 [ 4959.670806][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.670806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.670806][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.670806][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.670806][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.670806][ T73] [ 4959.672751][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.672751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4959.672751][ T73] ipv6_find_idev+0x102/0x170 [ 4959.672751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.672751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.672751][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.672751][ T73] netlink_unicast+0x449/0x710 [ 4959.672751][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.672751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.672751][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.672751][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.672751][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.672751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.672751][ T73] [ 4959.674304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4959.674304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4959.674304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4959.674304][ T73] ipv6_find_idev+0x102/0x170 [ 4959.674304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.674304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.674304][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.674304][ T73] netlink_unicast+0x449/0x710 [ 4959.674304][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.674304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.674304][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.674304][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.674304][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.674304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.674304][ T73] [ 4959.675986][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4959.676260][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.676260][ T73] dst_init+0x84/0x4a0 [ 4959.676260][ T73] dst_alloc+0x97/0x150 [ 4959.676260][ T73] ip6_dst_alloc+0x23/0x90 [ 4959.676260][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4959.676260][ T73] ip6_pol_route+0x56f/0x840 [ 4959.676260][ T73] fib6_rule_lookup+0x456/0x630 [ 4959.676260][ T73] ip6_route_input+0x59c/0xa50 [ 4959.676260][ T73] ipv6_rcv+0x397/0x810 [ 4959.676260][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4959.676260][ T73] process_backlog+0x101/0x620 [ 4959.676260][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4959.676260][ T73] net_rx_action+0x495/0xbe0 [ 4959.676260][ T73] __do_softirq+0x1b5/0x7f6 [ 4959.676260][ T73] [ 4959.677890][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.677890][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.677890][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.677890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.677890][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4959.677890][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4959.677890][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4959.677890][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4959.677890][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4959.677890][ T73] addrconf_dad_begin+0x310/0x670 [ 4959.677890][ T73] addrconf_dad_work+0x10b/0xab0 [ 4959.677890][ T73] process_one_work+0x84d/0x18a0 [ 4959.677890][ T73] worker_thread+0x587/0xd30 [ 4959.677890][ T73] kthread+0x28a/0x350 [ 4959.677890][ T73] ret_from_fork+0x31/0x70 [ 4959.677890][ T73] ret_from_fork_asm+0x1a/0x30 [ 4959.677890][ T73] [ 4959.679780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.679780][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.679780][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.679780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.679780][ T73] ip6_route_add+0x1c/0x140 [ 4959.679780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4959.679780][ T73] inet6_addr_add+0x4f8/0xa40 [ 4959.679780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.679780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.679780][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.679780][ T73] netlink_unicast+0x449/0x710 [ 4959.679780][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.679780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.679780][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.679780][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.679780][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.679780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.679780][ T73] [ 4959.681760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.681760][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.681760][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.681760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.681760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4959.681760][ T73] ipv6_add_addr+0x411/0x2000 [ 4959.681760][ T73] inet6_addr_add+0x30e/0xa40 [ 4959.681760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.681760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.681760][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.681760][ T73] netlink_unicast+0x449/0x710 [ 4959.681760][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.681760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.681760][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.681760][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.681760][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.681760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.681760][ T73] [ 4959.683735][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.683735][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.683735][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.683735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.683735][ T73] ip6_route_add+0x1c/0x140 [ 4959.683735][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4959.683735][ T73] addrconf_add_dev+0xe2/0x170 [ 4959.683735][ T73] inet6_addr_add+0x12f/0xa40 [ 4959.683735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.683735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.683735][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.683735][ T73] netlink_unicast+0x449/0x710 [ 4959.683735][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.683735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.683735][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.683735][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.683735][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.683735][ T73] [ 4959.685676][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.685676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4959.685676][ T73] ipv6_find_idev+0x102/0x170 [ 4959.685676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.685676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.685676][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.685676][ T73] netlink_unicast+0x449/0x710 [ 4959.685676][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.685676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.685676][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.685676][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.685676][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.685676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.685676][ T73] [ 4959.687206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4959.687206][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4959.687206][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4959.687206][ T73] ipv6_find_idev+0x102/0x170 [ 4959.687206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.687206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.687206][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.687206][ T73] netlink_unicast+0x449/0x710 [ 4959.687206][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.687206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.687206][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.687206][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.687206][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.687206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.687206][ T73] [ 4959.689014][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4959.689281][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.689281][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4959.689281][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4959.689281][ T73] fib6_nh_init+0xa22/0x1580 [ 4959.689281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.689281][ T73] ip6_route_add+0x1c/0x140 [ 4959.689281][ T73] inet6_rtm_newroute+0x104/0x110 [ 4959.689281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.689281][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.689281][ T73] netlink_unicast+0x449/0x710 [ 4959.689281][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.689281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.689281][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.689281][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.689281][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.689281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.689281][ T73] [ 4959.691450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.691450][ T73] dst_init+0x84/0x4a0 [ 4959.691450][ T73] dst_alloc+0x97/0x150 [ 4959.691450][ T73] ip6_dst_alloc+0x23/0x90 [ 4959.691450][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4959.691450][ T73] ip6_pol_route+0x56f/0x840 [ 4959.691450][ T73] fib6_rule_lookup+0x456/0x630 [ 4959.691450][ T73] ip6_route_input+0x59c/0xa50 [ 4959.691450][ T73] ipv6_rcv+0x397/0x810 [ 4959.691450][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4959.691450][ T73] process_backlog+0x101/0x620 [ 4959.691450][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4959.691450][ T73] net_rx_action+0x495/0xbe0 [ 4959.691450][ T73] __do_softirq+0x1b5/0x7f6 [ 4959.691450][ T73] [ 4959.693247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.693247][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.693247][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.693247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.693247][ T73] ip6_route_add+0x1c/0x140 [ 4959.693247][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4959.693247][ T73] inet6_addr_add+0x4f8/0xa40 [ 4959.693247][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.693247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.693247][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.693247][ T73] netlink_unicast+0x449/0x710 [ 4959.693247][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.693247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.693247][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.693247][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.693247][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.693247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.693247][ T73] [ 4959.695434][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.695434][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.695434][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.695434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.695434][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4959.695434][ T73] ipv6_add_addr+0x411/0x2000 [ 4959.695434][ T73] inet6_addr_add+0x30e/0xa40 [ 4959.695434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.695434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.695434][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.695434][ T73] netlink_unicast+0x449/0x710 [ 4959.695434][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.695434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.695434][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.695434][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.695434][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.695434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.695434][ T73] [ 4959.697667][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.697667][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.697667][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.697667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.697667][ T73] ip6_route_add+0x1c/0x140 [ 4959.697667][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4959.697667][ T73] addrconf_add_dev+0xe2/0x170 [ 4959.697667][ T73] inet6_addr_add+0x12f/0xa40 [ 4959.697667][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.697667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.697667][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.697667][ T73] netlink_unicast+0x449/0x710 [ 4959.697667][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.697667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.697667][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.697667][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.697667][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.697667][ T73] [ 4959.699930][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.699930][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4959.699930][ T73] ipv6_find_idev+0x102/0x170 [ 4959.699930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.699930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.699930][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.699930][ T73] netlink_unicast+0x449/0x710 [ 4959.699930][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.699930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.699930][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.699930][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.699930][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.699930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.699930][ T73] [ 4959.701633][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4959.701633][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4959.701633][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4959.701633][ T73] ipv6_find_idev+0x102/0x170 [ 4959.701633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.701633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.701633][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.701633][ T73] netlink_unicast+0x449/0x710 [ 4959.701633][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.701633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.701633][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.701633][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.701633][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.701633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.701633][ T73] [ 4959.703488][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4959.703822][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4959.703822][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.703822][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.703822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.703822][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4959.703822][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4959.703822][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4959.703822][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4959.703822][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4959.703822][ T73] addrconf_dad_begin+0x310/0x670 [ 4959.703822][ T73] addrconf_dad_work+0x10b/0xab0 [ 4959.703822][ T73] process_one_work+0x84d/0x18a0 [ 4959.703822][ T73] worker_thread+0x587/0xd30 [ 4959.703822][ T73] kthread+0x28a/0x350 [ 4959.703822][ T73] ret_from_fork+0x31/0x70 [ 4959.703822][ T73] ret_from_fork_asm+0x1a/0x30 [ 4959.703822][ T73] [ 4959.705895][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4959.705895][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.705895][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.705895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.705895][ T73] ip6_route_add+0x1c/0x140 [ 4959.705895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4959.705895][ T73] inet6_addr_add+0x4f8/0xa40 [ 4959.705895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.705895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.705895][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.705895][ T73] netlink_unicast+0x449/0x710 [ 4959.705895][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.705895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.705895][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.705895][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.705895][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.705895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.705895][ T73] [ 4959.708115][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4959.708115][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.708115][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.708115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.708115][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4959.708115][ T73] ipv6_add_addr+0x411/0x2000 [ 4959.708115][ T73] inet6_addr_add+0x30e/0xa40 [ 4959.708115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.708115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.708115][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.708115][ T73] netlink_unicast+0x449/0x710 [ 4959.708115][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.708115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.708115][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.708115][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.708115][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.708115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.708115][ T73] [ 4959.710393][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4959.710393][ T73] netdev_get_by_index+0x5e/0x80 [ 4959.710393][ T73] fib6_nh_init+0x3d8/0x1580 [ 4959.710393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4959.710393][ T73] ip6_route_add+0x1c/0x140 [ 4959.710393][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4959.710393][ T73] addrconf_add_dev+0xe2/0x170 [ 4959.710393][ T73] inet6_addr_add+0x12f/0xa40 [ 4959.710393][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4959.710393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.710393][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.710393][ T73] netlink_unicast+0x449/0x710 [ 4959.710393][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.710393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.710393][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.710393][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.710393][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.710393][ T73] [ 4959.712587][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4959.712587][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4959.712587][ T73] ipv6_find_idev+0x102/0x170 [ 4959.712587][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.712587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.712587][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.712587][ T73] netlink_unicast+0x449/0x710 [ 4959.712587][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.712587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.712587][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.712587][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.712587][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.712587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.712587][ T73] [ 4959.714290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4959.714290][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4959.714290][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4959.714290][ T73] ipv6_find_idev+0x102/0x170 [ 4959.714290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4959.714290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4959.714290][ T73] netlink_rcv_skb+0x130/0x360 [ 4959.714290][ T73] netlink_unicast+0x449/0x710 [ 4959.714290][ T73] netlink_sendmsg+0x723/0xbe0 [ 4959.714290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4959.714290][ T73] ___sys_sendmsg+0xee/0x170 [ 4959.714290][ T73] __sys_sendmsg+0xcd/0x170 [ 4959.714290][ T73] do_syscall_64+0xc6/0x1e0 [ 4959.714290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4959.714290][ T73] [ 4969.958906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4969.959342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.959342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4969.959342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4969.959342][ T73] fib6_nh_init+0xa22/0x1580 [ 4969.959342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.959342][ T73] ip6_route_add+0x1c/0x140 [ 4969.959342][ T73] inet6_rtm_newroute+0x104/0x110 [ 4969.959342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.959342][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.959342][ T73] netlink_unicast+0x449/0x710 [ 4969.959342][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.959342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.959342][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.959342][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.959342][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.959342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.959342][ T73] [ 4969.961224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.961224][ T73] dst_init+0x84/0x4a0 [ 4969.961224][ T73] dst_alloc+0x97/0x150 [ 4969.961224][ T73] ip6_dst_alloc+0x23/0x90 [ 4969.961224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4969.961224][ T73] ip6_pol_route+0x56f/0x840 [ 4969.961224][ T73] fib6_rule_lookup+0x456/0x630 [ 4969.961224][ T73] ip6_route_input+0x59c/0xa50 [ 4969.961224][ T73] ipv6_rcv+0x397/0x810 [ 4969.961224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4969.961224][ T73] process_backlog+0x101/0x620 [ 4969.961224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4969.961224][ T73] net_rx_action+0x495/0xbe0 [ 4969.961224][ T73] __do_softirq+0x1b5/0x7f6 [ 4969.961224][ T73] [ 4969.962851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.962851][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.962851][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.962851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.962851][ T73] ip6_route_add+0x1c/0x140 [ 4969.962851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4969.962851][ T73] inet6_addr_add+0x4f8/0xa40 [ 4969.962851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.962851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.962851][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.962851][ T73] netlink_unicast+0x449/0x710 [ 4969.962851][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.962851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.962851][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.962851][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.962851][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.962851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.962851][ T73] [ 4969.964834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.964834][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.964834][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.964834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.964834][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4969.964834][ T73] ipv6_add_addr+0x411/0x2000 [ 4969.964834][ T73] inet6_addr_add+0x30e/0xa40 [ 4969.964834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.964834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.964834][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.964834][ T73] netlink_unicast+0x449/0x710 [ 4969.964834][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.964834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.964834][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.964834][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.964834][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.964834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.964834][ T73] [ 4969.966820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.966820][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.966820][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.966820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.966820][ T73] ip6_route_add+0x1c/0x140 [ 4969.966820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4969.966820][ T73] addrconf_add_dev+0xe2/0x170 [ 4969.966820][ T73] inet6_addr_add+0x12f/0xa40 [ 4969.966820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.966820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.966820][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.966820][ T73] netlink_unicast+0x449/0x710 [ 4969.966820][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.966820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.966820][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.966820][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.966820][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.966820][ T73] [ 4969.968778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.968778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4969.968778][ T73] ipv6_find_idev+0x102/0x170 [ 4969.968778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4969.968778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.968778][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.968778][ T73] netlink_unicast+0x449/0x710 [ 4969.968778][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.968778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.968778][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.968778][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.968778][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.968778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.968778][ T73] [ 4969.970307][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4969.970307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4969.970307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4969.970307][ T73] ipv6_find_idev+0x102/0x170 [ 4969.970307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4969.970307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.970307][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.970307][ T73] netlink_unicast+0x449/0x710 [ 4969.970307][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.970307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.970307][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.970307][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.970307][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.970307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.970307][ T73] [ 4969.971990][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4969.972254][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.972254][ T73] dst_init+0x84/0x4a0 [ 4969.972254][ T73] dst_alloc+0x97/0x150 [ 4969.972254][ T73] ip6_dst_alloc+0x23/0x90 [ 4969.972254][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4969.972254][ T73] ip6_pol_route+0x56f/0x840 [ 4969.972254][ T73] fib6_rule_lookup+0x456/0x630 [ 4969.972254][ T73] ip6_route_input+0x59c/0xa50 [ 4969.972254][ T73] ipv6_rcv+0x397/0x810 [ 4969.972254][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4969.972254][ T73] process_backlog+0x101/0x620 [ 4969.972254][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4969.972254][ T73] net_rx_action+0x495/0xbe0 [ 4969.972254][ T73] __do_softirq+0x1b5/0x7f6 [ 4969.972254][ T73] [ 4969.973882][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.973882][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.973882][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.973882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.973882][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4969.973882][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4969.973882][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4969.973882][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4969.973882][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4969.973882][ T73] addrconf_dad_begin+0x310/0x670 [ 4969.973882][ T73] addrconf_dad_work+0x10b/0xab0 [ 4969.973882][ T73] process_one_work+0x84d/0x18a0 [ 4969.973882][ T73] worker_thread+0x587/0xd30 [ 4969.973882][ T73] kthread+0x28a/0x350 [ 4969.973882][ T73] ret_from_fork+0x31/0x70 [ 4969.973882][ T73] ret_from_fork_asm+0x1a/0x30 [ 4969.973882][ T73] [ 4969.975771][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.975771][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.975771][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.975771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.975771][ T73] ip6_route_add+0x1c/0x140 [ 4969.975771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4969.975771][ T73] inet6_addr_add+0x4f8/0xa40 [ 4969.975771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.975771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.975771][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.975771][ T73] netlink_unicast+0x449/0x710 [ 4969.975771][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.975771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.975771][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.975771][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.975771][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.975771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.975771][ T73] [ 4969.977752][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.977752][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.977752][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.977752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.977752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4969.977752][ T73] ipv6_add_addr+0x411/0x2000 [ 4969.977752][ T73] inet6_addr_add+0x30e/0xa40 [ 4969.977752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.977752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.977752][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.977752][ T73] netlink_unicast+0x449/0x710 [ 4969.977752][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.977752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.977752][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.977752][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.977752][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.977752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.977752][ T73] [ 4969.979739][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.979739][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.979739][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.979739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.979739][ T73] ip6_route_add+0x1c/0x140 [ 4969.979739][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4969.979739][ T73] addrconf_add_dev+0xe2/0x170 [ 4969.979739][ T73] inet6_addr_add+0x12f/0xa40 [ 4969.979739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.979739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.979739][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.979739][ T73] netlink_unicast+0x449/0x710 [ 4969.979739][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.979739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.979739][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.979739][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.979739][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.979739][ T73] [ 4969.981811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.981811][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4969.981811][ T73] ipv6_find_idev+0x102/0x170 [ 4969.981811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4969.981811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.981811][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.981811][ T73] netlink_unicast+0x449/0x710 [ 4969.981811][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.981811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.981811][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.981811][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.981811][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.981811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.981811][ T73] [ 4969.983336][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4969.983336][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4969.983336][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4969.983336][ T73] ipv6_find_idev+0x102/0x170 [ 4969.983336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4969.983336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.983336][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.983336][ T73] netlink_unicast+0x449/0x710 [ 4969.983336][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.983336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.983336][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.983336][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.983336][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.983336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.983336][ T73] [ 4969.985136][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4969.985401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.985401][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4969.985401][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4969.985401][ T73] fib6_nh_init+0xa22/0x1580 [ 4969.985401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.985401][ T73] ip6_route_add+0x1c/0x140 [ 4969.985401][ T73] inet6_rtm_newroute+0x104/0x110 [ 4969.985401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.985401][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.985401][ T73] netlink_unicast+0x449/0x710 [ 4969.985401][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.985401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.985401][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.985401][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.985401][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.985401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.985401][ T73] [ 4969.987560][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.987560][ T73] dst_init+0x84/0x4a0 [ 4969.987560][ T73] dst_alloc+0x97/0x150 [ 4969.987560][ T73] ip6_dst_alloc+0x23/0x90 [ 4969.987560][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4969.987560][ T73] ip6_pol_route+0x56f/0x840 [ 4969.987560][ T73] fib6_rule_lookup+0x456/0x630 [ 4969.987560][ T73] ip6_route_input+0x59c/0xa50 [ 4969.987560][ T73] ipv6_rcv+0x397/0x810 [ 4969.987560][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4969.987560][ T73] process_backlog+0x101/0x620 [ 4969.987560][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4969.987560][ T73] net_rx_action+0x495/0xbe0 [ 4969.987560][ T73] __do_softirq+0x1b5/0x7f6 [ 4969.987560][ T73] [ 4969.989364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.989364][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.989364][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.989364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.989364][ T73] ip6_route_add+0x1c/0x140 [ 4969.989364][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4969.989364][ T73] inet6_addr_add+0x4f8/0xa40 [ 4969.989364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.989364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.989364][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.989364][ T73] netlink_unicast+0x449/0x710 [ 4969.989364][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.989364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.989364][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.989364][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.989364][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.989364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.989364][ T73] [ 4969.991517][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.991517][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.991517][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.991517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.991517][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4969.991517][ T73] ipv6_add_addr+0x411/0x2000 [ 4969.991517][ T73] inet6_addr_add+0x30e/0xa40 [ 4969.991517][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.991517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.991517][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.991517][ T73] netlink_unicast+0x449/0x710 [ 4969.991517][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.991517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.991517][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.991517][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.991517][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.991517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.991517][ T73] [ 4969.993741][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.993741][ T73] netdev_get_by_index+0x5e/0x80 [ 4969.993741][ T73] fib6_nh_init+0x3d8/0x1580 [ 4969.993741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4969.993741][ T73] ip6_route_add+0x1c/0x140 [ 4969.993741][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4969.993741][ T73] addrconf_add_dev+0xe2/0x170 [ 4969.993741][ T73] inet6_addr_add+0x12f/0xa40 [ 4969.993741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4969.993741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.993741][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.993741][ T73] netlink_unicast+0x449/0x710 [ 4969.993741][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.993741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.993741][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.993741][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.993741][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.993741][ T73] [ 4969.995984][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.995984][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4969.995984][ T73] ipv6_find_idev+0x102/0x170 [ 4969.995984][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4969.995984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.995984][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.995984][ T73] netlink_unicast+0x449/0x710 [ 4969.995984][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.995984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.995984][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.995984][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.995984][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.995984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.995984][ T73] [ 4969.997691][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4969.997691][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4969.997691][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4969.997691][ T73] ipv6_find_idev+0x102/0x170 [ 4969.997691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4969.997691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4969.997691][ T73] netlink_rcv_skb+0x130/0x360 [ 4969.997691][ T73] netlink_unicast+0x449/0x710 [ 4969.997691][ T73] netlink_sendmsg+0x723/0xbe0 [ 4969.997691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4969.997691][ T73] ___sys_sendmsg+0xee/0x170 [ 4969.997691][ T73] __sys_sendmsg+0xcd/0x170 [ 4969.997691][ T73] do_syscall_64+0xc6/0x1e0 [ 4969.997691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4969.997691][ T73] [ 4969.999535][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4970.000296][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4970.000296][ T73] netdev_get_by_index+0x5e/0x80 [ 4970.000296][ T73] fib6_nh_init+0x3d8/0x1580 [ 4970.000296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4970.000296][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4970.000296][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4970.000296][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4970.000296][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4970.000296][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4970.000296][ T73] addrconf_dad_begin+0x310/0x670 [ 4970.000296][ T73] addrconf_dad_work+0x10b/0xab0 [ 4970.000296][ T73] process_one_work+0x84d/0x18a0 [ 4970.000296][ T73] worker_thread+0x587/0xd30 [ 4970.000296][ T73] kthread+0x28a/0x350 [ 4970.000296][ T73] ret_from_fork+0x31/0x70 [ 4970.000296][ T73] ret_from_fork_asm+0x1a/0x30 [ 4970.000296][ T73] [ 4970.002180][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4970.002180][ T73] netdev_get_by_index+0x5e/0x80 [ 4970.002180][ T73] fib6_nh_init+0x3d8/0x1580 [ 4970.002180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4970.002180][ T73] ip6_route_add+0x1c/0x140 [ 4970.002180][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4970.002180][ T73] inet6_addr_add+0x4f8/0xa40 [ 4970.002180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4970.002180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.002180][ T73] netlink_rcv_skb+0x130/0x360 [ 4970.002180][ T73] netlink_unicast+0x449/0x710 [ 4970.002180][ T73] netlink_sendmsg+0x723/0xbe0 [ 4970.002180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4970.002180][ T73] ___sys_sendmsg+0xee/0x170 [ 4970.002180][ T73] __sys_sendmsg+0xcd/0x170 [ 4970.002180][ T73] do_syscall_64+0xc6/0x1e0 [ 4970.002180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.002180][ T73] [ 4970.004216][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4970.004216][ T73] netdev_get_by_index+0x5e/0x80 [ 4970.004216][ T73] fib6_nh_init+0x3d8/0x1580 [ 4970.004216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4970.004216][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4970.004216][ T73] ipv6_add_addr+0x411/0x2000 [ 4970.004216][ T73] inet6_addr_add+0x30e/0xa40 [ 4970.004216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4970.004216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.004216][ T73] netlink_rcv_skb+0x130/0x360 [ 4970.004216][ T73] netlink_unicast+0x449/0x710 [ 4970.004216][ T73] netlink_sendmsg+0x723/0xbe0 [ 4970.004216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4970.004216][ T73] ___sys_sendmsg+0xee/0x170 [ 4970.004216][ T73] __sys_sendmsg+0xcd/0x170 [ 4970.004216][ T73] do_syscall_64+0xc6/0x1e0 [ 4970.004216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.004216][ T73] [ 4970.006443][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4970.006443][ T73] netdev_get_by_index+0x5e/0x80 [ 4970.006443][ T73] fib6_nh_init+0x3d8/0x1580 [ 4970.006443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4970.006443][ T73] ip6_route_add+0x1c/0x140 [ 4970.006443][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4970.006443][ T73] addrconf_add_dev+0xe2/0x170 [ 4970.006443][ T73] inet6_addr_add+0x12f/0xa40 [ 4970.006443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4970.006443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.006443][ T73] netlink_rcv_skb+0x130/0x360 [ 4970.006443][ T73] netlink_unicast+0x449/0x710 [ 4970.006443][ T73] netlink_sendmsg+0x723/0xbe0 [ 4970.006443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4970.006443][ T73] ___sys_sendmsg+0xee/0x170 [ 4970.006443][ T73] __sys_sendmsg+0xcd/0x170 [ 4970.006443][ T73] do_syscall_64+0xc6/0x1e0 [ 4970.006443][ T73] [ 4970.008695][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4970.008695][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4970.008695][ T73] ipv6_find_idev+0x102/0x170 [ 4970.008695][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4970.008695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.008695][ T73] netlink_rcv_skb+0x130/0x360 [ 4970.008695][ T73] netlink_unicast+0x449/0x710 [ 4970.008695][ T73] netlink_sendmsg+0x723/0xbe0 [ 4970.008695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4970.008695][ T73] ___sys_sendmsg+0xee/0x170 [ 4970.008695][ T73] __sys_sendmsg+0xcd/0x170 [ 4970.008695][ T73] do_syscall_64+0xc6/0x1e0 [ 4970.008695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.008695][ T73] [ 4970.010408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4970.010408][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4970.010408][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4970.010408][ T73] ipv6_find_idev+0x102/0x170 [ 4970.010408][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4970.010408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.010408][ T73] netlink_rcv_skb+0x130/0x360 [ 4970.010408][ T73] netlink_unicast+0x449/0x710 [ 4970.010408][ T73] netlink_sendmsg+0x723/0xbe0 [ 4970.010408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4970.010408][ T73] ___sys_sendmsg+0xee/0x170 [ 4970.010408][ T73] __sys_sendmsg+0xcd/0x170 [ 4970.010408][ T73] do_syscall_64+0xc6/0x1e0 [ 4970.010408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.010408][ T73] [ 4980.254938][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4980.255400][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.255400][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4980.255400][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4980.255400][ T73] fib6_nh_init+0xa22/0x1580 [ 4980.255400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.255400][ T73] ip6_route_add+0x1c/0x140 [ 4980.255400][ T73] inet6_rtm_newroute+0x104/0x110 [ 4980.255400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.255400][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.255400][ T73] netlink_unicast+0x449/0x710 [ 4980.255400][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.255400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.255400][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.255400][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.255400][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.255400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.255400][ T73] [ 4980.257276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.257276][ T73] dst_init+0x84/0x4a0 [ 4980.257276][ T73] dst_alloc+0x97/0x150 [ 4980.257276][ T73] ip6_dst_alloc+0x23/0x90 [ 4980.257276][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4980.257276][ T73] ip6_pol_route+0x56f/0x840 [ 4980.257276][ T73] fib6_rule_lookup+0x456/0x630 [ 4980.257276][ T73] ip6_route_input+0x59c/0xa50 [ 4980.257276][ T73] ipv6_rcv+0x397/0x810 [ 4980.257276][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4980.257276][ T73] process_backlog+0x101/0x620 [ 4980.257276][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4980.257276][ T73] net_rx_action+0x495/0xbe0 [ 4980.257276][ T73] __do_softirq+0x1b5/0x7f6 [ 4980.257276][ T73] [ 4980.258904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.258904][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.258904][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.258904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.258904][ T73] ip6_route_add+0x1c/0x140 [ 4980.258904][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4980.258904][ T73] inet6_addr_add+0x4f8/0xa40 [ 4980.258904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.258904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.258904][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.258904][ T73] netlink_unicast+0x449/0x710 [ 4980.258904][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.258904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.258904][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.258904][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.258904][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.258904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.258904][ T73] [ 4980.260881][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.260881][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.260881][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.260881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.260881][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4980.260881][ T73] ipv6_add_addr+0x411/0x2000 [ 4980.260881][ T73] inet6_addr_add+0x30e/0xa40 [ 4980.260881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.260881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.260881][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.260881][ T73] netlink_unicast+0x449/0x710 [ 4980.260881][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.260881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.260881][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.260881][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.260881][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.260881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.260881][ T73] [ 4980.262848][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.262848][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.262848][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.262848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.262848][ T73] ip6_route_add+0x1c/0x140 [ 4980.262848][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4980.262848][ T73] addrconf_add_dev+0xe2/0x170 [ 4980.262848][ T73] inet6_addr_add+0x12f/0xa40 [ 4980.262848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.262848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.262848][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.262848][ T73] netlink_unicast+0x449/0x710 [ 4980.262848][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.262848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.262848][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.262848][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.262848][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.262848][ T73] [ 4980.264789][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.264789][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4980.264789][ T73] ipv6_find_idev+0x102/0x170 [ 4980.264789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.264789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.264789][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.264789][ T73] netlink_unicast+0x449/0x710 [ 4980.264789][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.264789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.264789][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.264789][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.264789][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.264789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.264789][ T73] [ 4980.266305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4980.266305][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4980.266305][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4980.266305][ T73] ipv6_find_idev+0x102/0x170 [ 4980.266305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.266305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.266305][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.266305][ T73] netlink_unicast+0x449/0x710 [ 4980.266305][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.266305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.266305][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.266305][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.266305][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.266305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.266305][ T73] [ 4980.267991][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4980.268254][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.268254][ T73] dst_init+0x84/0x4a0 [ 4980.268254][ T73] dst_alloc+0x97/0x150 [ 4980.268254][ T73] ip6_dst_alloc+0x23/0x90 [ 4980.268254][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4980.268254][ T73] ip6_pol_route+0x56f/0x840 [ 4980.268254][ T73] fib6_rule_lookup+0x456/0x630 [ 4980.268254][ T73] ip6_route_input+0x59c/0xa50 [ 4980.268254][ T73] ipv6_rcv+0x397/0x810 [ 4980.268254][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4980.268254][ T73] process_backlog+0x101/0x620 [ 4980.268254][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4980.268254][ T73] net_rx_action+0x495/0xbe0 [ 4980.268254][ T73] __do_softirq+0x1b5/0x7f6 [ 4980.268254][ T73] [ 4980.269877][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.269877][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.269877][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.269877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.269877][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4980.269877][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4980.269877][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4980.269877][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4980.269877][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4980.269877][ T73] addrconf_dad_begin+0x310/0x670 [ 4980.269877][ T73] addrconf_dad_work+0x10b/0xab0 [ 4980.269877][ T73] process_one_work+0x84d/0x18a0 [ 4980.269877][ T73] worker_thread+0x587/0xd30 [ 4980.269877][ T73] kthread+0x28a/0x350 [ 4980.269877][ T73] ret_from_fork+0x31/0x70 [ 4980.269877][ T73] ret_from_fork_asm+0x1a/0x30 [ 4980.269877][ T73] [ 4980.271767][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.271767][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.271767][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.271767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.271767][ T73] ip6_route_add+0x1c/0x140 [ 4980.271767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4980.271767][ T73] inet6_addr_add+0x4f8/0xa40 [ 4980.271767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.271767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.271767][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.271767][ T73] netlink_unicast+0x449/0x710 [ 4980.271767][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.271767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.271767][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.271767][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.271767][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.271767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.271767][ T73] [ 4980.273754][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.273754][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.273754][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.273754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.273754][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4980.273754][ T73] ipv6_add_addr+0x411/0x2000 [ 4980.273754][ T73] inet6_addr_add+0x30e/0xa40 [ 4980.273754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.273754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.273754][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.273754][ T73] netlink_unicast+0x449/0x710 [ 4980.273754][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.273754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.273754][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.273754][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.273754][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.273754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.273754][ T73] [ 4980.275725][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.275725][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.275725][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.275725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.275725][ T73] ip6_route_add+0x1c/0x140 [ 4980.275725][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4980.275725][ T73] addrconf_add_dev+0xe2/0x170 [ 4980.275725][ T73] inet6_addr_add+0x12f/0xa40 [ 4980.275725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.275725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.275725][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.275725][ T73] netlink_unicast+0x449/0x710 [ 4980.275725][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.275725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.275725][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.275725][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.275725][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.275725][ T73] [ 4980.277671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.277671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4980.277671][ T73] ipv6_find_idev+0x102/0x170 [ 4980.277671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.277671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.277671][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.277671][ T73] netlink_unicast+0x449/0x710 [ 4980.277671][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.277671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.277671][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.277671][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.277671][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.277671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.277671][ T73] [ 4980.279195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4980.279195][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4980.279195][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4980.279195][ T73] ipv6_find_idev+0x102/0x170 [ 4980.279195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.279195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.279195][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.279195][ T73] netlink_unicast+0x449/0x710 [ 4980.279195][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.279195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.279195][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.279195][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.279195][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.279195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.279195][ T73] [ 4980.280975][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4980.281240][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.281240][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4980.281240][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4980.281240][ T73] fib6_nh_init+0xa22/0x1580 [ 4980.281240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.281240][ T73] ip6_route_add+0x1c/0x140 [ 4980.281240][ T73] inet6_rtm_newroute+0x104/0x110 [ 4980.281240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.281240][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.281240][ T73] netlink_unicast+0x449/0x710 [ 4980.281240][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.281240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.281240][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.281240][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.281240][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.281240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.281240][ T73] [ 4980.283399][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.283399][ T73] dst_init+0x84/0x4a0 [ 4980.283399][ T73] dst_alloc+0x97/0x150 [ 4980.283399][ T73] ip6_dst_alloc+0x23/0x90 [ 4980.283399][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4980.283399][ T73] ip6_pol_route+0x56f/0x840 [ 4980.283399][ T73] fib6_rule_lookup+0x456/0x630 [ 4980.283399][ T73] ip6_route_input+0x59c/0xa50 [ 4980.283399][ T73] ipv6_rcv+0x397/0x810 [ 4980.283399][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4980.283399][ T73] process_backlog+0x101/0x620 [ 4980.283399][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4980.283399][ T73] net_rx_action+0x495/0xbe0 [ 4980.283399][ T73] __do_softirq+0x1b5/0x7f6 [ 4980.283399][ T73] [ 4980.285198][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.285198][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.285198][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.285198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.285198][ T73] ip6_route_add+0x1c/0x140 [ 4980.285198][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4980.285198][ T73] inet6_addr_add+0x4f8/0xa40 [ 4980.285198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.285198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.285198][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.285198][ T73] netlink_unicast+0x449/0x710 [ 4980.285198][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.285198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.285198][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.285198][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.285198][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.285198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.285198][ T73] [ 4980.287349][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.287349][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.287349][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.287349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.287349][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4980.287349][ T73] ipv6_add_addr+0x411/0x2000 [ 4980.287349][ T73] inet6_addr_add+0x30e/0xa40 [ 4980.287349][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.287349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.287349][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.287349][ T73] netlink_unicast+0x449/0x710 [ 4980.287349][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.287349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.287349][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.287349][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.287349][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.287349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.287349][ T73] [ 4980.289515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.289515][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.289515][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.289515][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.289515][ T73] ip6_route_add+0x1c/0x140 [ 4980.289515][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4980.289515][ T73] addrconf_add_dev+0xe2/0x170 [ 4980.289515][ T73] inet6_addr_add+0x12f/0xa40 [ 4980.289515][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.289515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.289515][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.289515][ T73] netlink_unicast+0x449/0x710 [ 4980.289515][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.289515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.289515][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.289515][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.289515][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.289515][ T73] [ 4980.291754][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.291754][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4980.291754][ T73] ipv6_find_idev+0x102/0x170 [ 4980.291754][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.291754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.291754][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.291754][ T73] netlink_unicast+0x449/0x710 [ 4980.291754][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.291754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.291754][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.291754][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.291754][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.291754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.291754][ T73] [ 4980.293450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4980.293450][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4980.293450][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4980.293450][ T73] ipv6_find_idev+0x102/0x170 [ 4980.293450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.293450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.293450][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.293450][ T73] netlink_unicast+0x449/0x710 [ 4980.293450][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.293450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.293450][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.293450][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.293450][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.293450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.293450][ T73] [ 4980.295292][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4980.295622][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4980.295622][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.295622][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.295622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.295622][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4980.295622][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4980.295622][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4980.295622][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4980.295622][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4980.295622][ T73] addrconf_dad_begin+0x310/0x670 [ 4980.295622][ T73] addrconf_dad_work+0x10b/0xab0 [ 4980.295622][ T73] process_one_work+0x84d/0x18a0 [ 4980.295622][ T73] worker_thread+0x587/0xd30 [ 4980.295622][ T73] kthread+0x28a/0x350 [ 4980.295622][ T73] ret_from_fork+0x31/0x70 [ 4980.295622][ T73] ret_from_fork_asm+0x1a/0x30 [ 4980.295622][ T73] [ 4980.297629][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4980.297629][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.297629][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.297629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.297629][ T73] ip6_route_add+0x1c/0x140 [ 4980.297629][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4980.297629][ T73] inet6_addr_add+0x4f8/0xa40 [ 4980.297629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.297629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.297629][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.297629][ T73] netlink_unicast+0x449/0x710 [ 4980.297629][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.297629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.297629][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.297629][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.297629][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.297629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.297629][ T73] [ 4980.299854][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4980.299854][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.299854][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.299854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.299854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4980.299854][ T73] ipv6_add_addr+0x411/0x2000 [ 4980.299854][ T73] inet6_addr_add+0x30e/0xa40 [ 4980.299854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.299854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.299854][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.299854][ T73] netlink_unicast+0x449/0x710 [ 4980.299854][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.299854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.299854][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.299854][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.299854][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.299854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.299854][ T73] [ 4980.302131][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4980.302131][ T73] netdev_get_by_index+0x5e/0x80 [ 4980.302131][ T73] fib6_nh_init+0x3d8/0x1580 [ 4980.302131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4980.302131][ T73] ip6_route_add+0x1c/0x140 [ 4980.302131][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4980.302131][ T73] addrconf_add_dev+0xe2/0x170 [ 4980.302131][ T73] inet6_addr_add+0x12f/0xa40 [ 4980.302131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4980.302131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.302131][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.302131][ T73] netlink_unicast+0x449/0x710 [ 4980.302131][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.302131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.302131][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.302131][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.302131][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.302131][ T73] [ 4980.304313][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4980.304313][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4980.304313][ T73] ipv6_find_idev+0x102/0x170 [ 4980.304313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.304313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.304313][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.304313][ T73] netlink_unicast+0x449/0x710 [ 4980.304313][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.304313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.304313][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.304313][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.304313][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.304313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.304313][ T73] [ 4980.306008][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4980.306008][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4980.306008][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4980.306008][ T73] ipv6_find_idev+0x102/0x170 [ 4980.306008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4980.306008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4980.306008][ T73] netlink_rcv_skb+0x130/0x360 [ 4980.306008][ T73] netlink_unicast+0x449/0x710 [ 4980.306008][ T73] netlink_sendmsg+0x723/0xbe0 [ 4980.306008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4980.306008][ T73] ___sys_sendmsg+0xee/0x170 [ 4980.306008][ T73] __sys_sendmsg+0xcd/0x170 [ 4980.306008][ T73] do_syscall_64+0xc6/0x1e0 [ 4980.306008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4980.306008][ T73] [ 4990.382902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 4990.383820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.383820][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4990.383820][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4990.383820][ T73] fib6_nh_init+0xa22/0x1580 [ 4990.383820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.383820][ T73] ip6_route_add+0x1c/0x140 [ 4990.383820][ T73] inet6_rtm_newroute+0x104/0x110 [ 4990.383820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.383820][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.383820][ T73] netlink_unicast+0x449/0x710 [ 4990.383820][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.383820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.383820][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.383820][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.383820][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.383820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.383820][ T73] [ 4990.385692][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.385692][ T73] dst_init+0x84/0x4a0 [ 4990.385692][ T73] dst_alloc+0x97/0x150 [ 4990.385692][ T73] ip6_dst_alloc+0x23/0x90 [ 4990.385692][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4990.385692][ T73] ip6_pol_route+0x56f/0x840 [ 4990.385692][ T73] fib6_rule_lookup+0x456/0x630 [ 4990.385692][ T73] ip6_route_input+0x59c/0xa50 [ 4990.385692][ T73] ipv6_rcv+0x397/0x810 [ 4990.385692][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4990.385692][ T73] process_backlog+0x101/0x620 [ 4990.385692][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4990.385692][ T73] net_rx_action+0x495/0xbe0 [ 4990.385692][ T73] __do_softirq+0x1b5/0x7f6 [ 4990.385692][ T73] [ 4990.387324][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.387324][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.387324][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.387324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.387324][ T73] ip6_route_add+0x1c/0x140 [ 4990.387324][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4990.387324][ T73] inet6_addr_add+0x4f8/0xa40 [ 4990.387324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.387324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.387324][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.387324][ T73] netlink_unicast+0x449/0x710 [ 4990.387324][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.387324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.387324][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.387324][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.387324][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.387324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.387324][ T73] [ 4990.389319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.389319][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.389319][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.389319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.389319][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4990.389319][ T73] ipv6_add_addr+0x411/0x2000 [ 4990.389319][ T73] inet6_addr_add+0x30e/0xa40 [ 4990.389319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.389319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.389319][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.389319][ T73] netlink_unicast+0x449/0x710 [ 4990.389319][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.389319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.389319][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.389319][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.389319][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.389319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.389319][ T73] [ 4990.391296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.391296][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.391296][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.391296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.391296][ T73] ip6_route_add+0x1c/0x140 [ 4990.391296][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4990.391296][ T73] addrconf_add_dev+0xe2/0x170 [ 4990.391296][ T73] inet6_addr_add+0x12f/0xa40 [ 4990.391296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.391296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.391296][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.391296][ T73] netlink_unicast+0x449/0x710 [ 4990.391296][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.391296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.391296][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.391296][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.391296][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.391296][ T73] [ 4990.393243][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.393243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4990.393243][ T73] ipv6_find_idev+0x102/0x170 [ 4990.393243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.393243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.393243][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.393243][ T73] netlink_unicast+0x449/0x710 [ 4990.393243][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.393243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.393243][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.393243][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.393243][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.393243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.393243][ T73] [ 4990.394762][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 4990.394762][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4990.394762][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4990.394762][ T73] ipv6_find_idev+0x102/0x170 [ 4990.394762][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.394762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.394762][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.394762][ T73] netlink_unicast+0x449/0x710 [ 4990.394762][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.394762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.394762][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.394762][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.394762][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.394762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.394762][ T73] [ 4990.396429][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4990.396697][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.396697][ T73] dst_init+0x84/0x4a0 [ 4990.396697][ T73] dst_alloc+0x97/0x150 [ 4990.396697][ T73] ip6_dst_alloc+0x23/0x90 [ 4990.396697][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4990.396697][ T73] ip6_pol_route+0x56f/0x840 [ 4990.396697][ T73] fib6_rule_lookup+0x456/0x630 [ 4990.396697][ T73] ip6_route_input+0x59c/0xa50 [ 4990.396697][ T73] ipv6_rcv+0x397/0x810 [ 4990.396697][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4990.396697][ T73] process_backlog+0x101/0x620 [ 4990.396697][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4990.396697][ T73] net_rx_action+0x495/0xbe0 [ 4990.396697][ T73] __do_softirq+0x1b5/0x7f6 [ 4990.396697][ T73] [ 4990.398328][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.398328][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.398328][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.398328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.398328][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4990.398328][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4990.398328][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4990.398328][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4990.398328][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4990.398328][ T73] addrconf_dad_begin+0x310/0x670 [ 4990.398328][ T73] addrconf_dad_work+0x10b/0xab0 [ 4990.398328][ T73] process_one_work+0x84d/0x18a0 [ 4990.398328][ T73] worker_thread+0x587/0xd30 [ 4990.398328][ T73] kthread+0x28a/0x350 [ 4990.398328][ T73] ret_from_fork+0x31/0x70 [ 4990.398328][ T73] ret_from_fork_asm+0x1a/0x30 [ 4990.398328][ T73] [ 4990.400590][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.400590][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.400590][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.400590][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.400590][ T73] ip6_route_add+0x1c/0x140 [ 4990.400590][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4990.400590][ T73] inet6_addr_add+0x4f8/0xa40 [ 4990.400590][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.400590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.400590][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.400590][ T73] netlink_unicast+0x449/0x710 [ 4990.400590][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.400590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.400590][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.400590][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.400590][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.400590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.400590][ T73] [ 4990.402569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.402569][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.402569][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.402569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.402569][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4990.402569][ T73] ipv6_add_addr+0x411/0x2000 [ 4990.402569][ T73] inet6_addr_add+0x30e/0xa40 [ 4990.402569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.402569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.402569][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.402569][ T73] netlink_unicast+0x449/0x710 [ 4990.402569][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.402569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.402569][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.402569][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.402569][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.402569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.402569][ T73] [ 4990.404557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.404557][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.404557][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.404557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.404557][ T73] ip6_route_add+0x1c/0x140 [ 4990.404557][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4990.404557][ T73] addrconf_add_dev+0xe2/0x170 [ 4990.404557][ T73] inet6_addr_add+0x12f/0xa40 [ 4990.404557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.404557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.404557][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.404557][ T73] netlink_unicast+0x449/0x710 [ 4990.404557][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.404557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.404557][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.404557][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.404557][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.404557][ T73] [ 4990.406497][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.406497][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4990.406497][ T73] ipv6_find_idev+0x102/0x170 [ 4990.406497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.406497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.406497][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.406497][ T73] netlink_unicast+0x449/0x710 [ 4990.406497][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.406497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.406497][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.406497][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.406497][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.406497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.406497][ T73] [ 4990.408039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 4990.408039][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4990.408039][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4990.408039][ T73] ipv6_find_idev+0x102/0x170 [ 4990.408039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.408039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.408039][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.408039][ T73] netlink_unicast+0x449/0x710 [ 4990.408039][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.408039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.408039][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.408039][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.408039][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.408039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.408039][ T73] [ 4990.409838][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4990.410103][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.410103][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 4990.410103][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 4990.410103][ T73] fib6_nh_init+0xa22/0x1580 [ 4990.410103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.410103][ T73] ip6_route_add+0x1c/0x140 [ 4990.410103][ T73] inet6_rtm_newroute+0x104/0x110 [ 4990.410103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.410103][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.410103][ T73] netlink_unicast+0x449/0x710 [ 4990.410103][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.410103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.410103][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.410103][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.410103][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.410103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.410103][ T73] [ 4990.412268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.412268][ T73] dst_init+0x84/0x4a0 [ 4990.412268][ T73] dst_alloc+0x97/0x150 [ 4990.412268][ T73] ip6_dst_alloc+0x23/0x90 [ 4990.412268][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4990.412268][ T73] ip6_pol_route+0x56f/0x840 [ 4990.412268][ T73] fib6_rule_lookup+0x456/0x630 [ 4990.412268][ T73] ip6_route_input+0x59c/0xa50 [ 4990.412268][ T73] ipv6_rcv+0x397/0x810 [ 4990.412268][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 4990.412268][ T73] process_backlog+0x101/0x620 [ 4990.412268][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 4990.412268][ T73] net_rx_action+0x495/0xbe0 [ 4990.412268][ T73] __do_softirq+0x1b5/0x7f6 [ 4990.412268][ T73] [ 4990.414096][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.414096][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.414096][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.414096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.414096][ T73] ip6_route_add+0x1c/0x140 [ 4990.414096][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4990.414096][ T73] inet6_addr_add+0x4f8/0xa40 [ 4990.414096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.414096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.414096][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.414096][ T73] netlink_unicast+0x449/0x710 [ 4990.414096][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.414096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.414096][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.414096][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.414096][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.414096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.414096][ T73] [ 4990.416255][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.416255][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.416255][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.416255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.416255][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4990.416255][ T73] ipv6_add_addr+0x411/0x2000 [ 4990.416255][ T73] inet6_addr_add+0x30e/0xa40 [ 4990.416255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.416255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.416255][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.416255][ T73] netlink_unicast+0x449/0x710 [ 4990.416255][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.416255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.416255][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.416255][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.416255][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.416255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.416255][ T73] [ 4990.418476][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.418476][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.418476][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.418476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.418476][ T73] ip6_route_add+0x1c/0x140 [ 4990.418476][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4990.418476][ T73] addrconf_add_dev+0xe2/0x170 [ 4990.418476][ T73] inet6_addr_add+0x12f/0xa40 [ 4990.418476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.418476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.418476][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.418476][ T73] netlink_unicast+0x449/0x710 [ 4990.418476][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.418476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.418476][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.418476][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.418476][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.418476][ T73] [ 4990.420721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.420721][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4990.420721][ T73] ipv6_find_idev+0x102/0x170 [ 4990.420721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.420721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.420721][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.420721][ T73] netlink_unicast+0x449/0x710 [ 4990.420721][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.420721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.420721][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.420721][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.420721][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.420721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.420721][ T73] [ 4990.422425][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 4990.422425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4990.422425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4990.422425][ T73] ipv6_find_idev+0x102/0x170 [ 4990.422425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.422425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.422425][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.422425][ T73] netlink_unicast+0x449/0x710 [ 4990.422425][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.422425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.422425][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.422425][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.422425][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.422425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.422425][ T73] [ 4990.424278][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4990.424604][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4990.424604][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.424604][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.424604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.424604][ T73] addrconf_f6i_alloc+0x265/0x560 [ 4990.424604][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4990.424604][ T73] addrconf_join_anycast+0x1c0/0x220 [ 4990.424604][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4990.424604][ T73] addrconf_dad_completed+0x12b/0xe20 [ 4990.424604][ T73] addrconf_dad_begin+0x310/0x670 [ 4990.424604][ T73] addrconf_dad_work+0x10b/0xab0 [ 4990.424604][ T73] process_one_work+0x84d/0x18a0 [ 4990.424604][ T73] worker_thread+0x587/0xd30 [ 4990.424604][ T73] kthread+0x28a/0x350 [ 4990.424604][ T73] ret_from_fork+0x31/0x70 [ 4990.424604][ T73] ret_from_fork_asm+0x1a/0x30 [ 4990.424604][ T73] [ 4990.426688][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4990.426688][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.426688][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.426688][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.426688][ T73] ip6_route_add+0x1c/0x140 [ 4990.426688][ T73] addrconf_prefix_route+0x2a6/0x430 [ 4990.426688][ T73] inet6_addr_add+0x4f8/0xa40 [ 4990.426688][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.426688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.426688][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.426688][ T73] netlink_unicast+0x449/0x710 [ 4990.426688][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.426688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.426688][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.426688][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.426688][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.426688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.426688][ T73] [ 4990.428912][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4990.428912][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.428912][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.428912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.428912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 4990.428912][ T73] ipv6_add_addr+0x411/0x2000 [ 4990.428912][ T73] inet6_addr_add+0x30e/0xa40 [ 4990.428912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.428912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.428912][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.428912][ T73] netlink_unicast+0x449/0x710 [ 4990.428912][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.428912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.428912][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.428912][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.428912][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.428912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.428912][ T73] [ 4990.431191][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4990.431191][ T73] netdev_get_by_index+0x5e/0x80 [ 4990.431191][ T73] fib6_nh_init+0x3d8/0x1580 [ 4990.431191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 4990.431191][ T73] ip6_route_add+0x1c/0x140 [ 4990.431191][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 4990.431191][ T73] addrconf_add_dev+0xe2/0x170 [ 4990.431191][ T73] inet6_addr_add+0x12f/0xa40 [ 4990.431191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 4990.431191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.431191][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.431191][ T73] netlink_unicast+0x449/0x710 [ 4990.431191][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.431191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.431191][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.431191][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.431191][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.431191][ T73] [ 4990.433373][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4990.433373][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 4990.433373][ T73] ipv6_find_idev+0x102/0x170 [ 4990.433373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.433373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.433373][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.433373][ T73] netlink_unicast+0x449/0x710 [ 4990.433373][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.433373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.433373][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.433373][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.433373][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.433373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.433373][ T73] [ 4990.435075][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 4990.435075][ T73] neigh_parms_alloc+0x1e5/0x510 [ 4990.435075][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 4990.435075][ T73] ipv6_find_idev+0x102/0x170 [ 4990.435075][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 4990.435075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4990.435075][ T73] netlink_rcv_skb+0x130/0x360 [ 4990.435075][ T73] netlink_unicast+0x449/0x710 [ 4990.435075][ T73] netlink_sendmsg+0x723/0xbe0 [ 4990.435075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 4990.435075][ T73] ___sys_sendmsg+0xee/0x170 [ 4990.435075][ T73] __sys_sendmsg+0xcd/0x170 [ 4990.435075][ T73] do_syscall_64+0xc6/0x1e0 [ 4990.435075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4990.435075][ T73] [ 5000.822946][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5000.823345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.823345][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5000.823345][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5000.823345][ T73] fib6_nh_init+0xa22/0x1580 [ 5000.823345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.823345][ T73] ip6_route_add+0x1c/0x140 [ 5000.823345][ T73] inet6_rtm_newroute+0x104/0x110 [ 5000.823345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.823345][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.823345][ T73] netlink_unicast+0x449/0x710 [ 5000.823345][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.823345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.823345][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.823345][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.823345][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.823345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.823345][ T73] [ 5000.825285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.825285][ T73] dst_init+0x84/0x4a0 [ 5000.825285][ T73] dst_alloc+0x97/0x150 [ 5000.825285][ T73] ip6_dst_alloc+0x23/0x90 [ 5000.825285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5000.825285][ T73] ip6_pol_route+0x56f/0x840 [ 5000.825285][ T73] fib6_rule_lookup+0x456/0x630 [ 5000.825285][ T73] ip6_route_input+0x59c/0xa50 [ 5000.825285][ T73] ipv6_rcv+0x397/0x810 [ 5000.825285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5000.825285][ T73] process_backlog+0x101/0x620 [ 5000.825285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5000.825285][ T73] net_rx_action+0x495/0xbe0 [ 5000.825285][ T73] __do_softirq+0x1b5/0x7f6 [ 5000.825285][ T73] [ 5000.826932][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.826932][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.826932][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.826932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.826932][ T73] ip6_route_add+0x1c/0x140 [ 5000.826932][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5000.826932][ T73] inet6_addr_add+0x4f8/0xa40 [ 5000.826932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.826932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.826932][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.826932][ T73] netlink_unicast+0x449/0x710 [ 5000.826932][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.826932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.826932][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.826932][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.826932][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.826932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.826932][ T73] [ 5000.828952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.828952][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.828952][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.828952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.828952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5000.828952][ T73] ipv6_add_addr+0x411/0x2000 [ 5000.828952][ T73] inet6_addr_add+0x30e/0xa40 [ 5000.828952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.828952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.828952][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.828952][ T73] netlink_unicast+0x449/0x710 [ 5000.828952][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.828952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.828952][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.828952][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.828952][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.828952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.828952][ T73] [ 5000.830957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.830957][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.830957][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.830957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.830957][ T73] ip6_route_add+0x1c/0x140 [ 5000.830957][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5000.830957][ T73] addrconf_add_dev+0xe2/0x170 [ 5000.830957][ T73] inet6_addr_add+0x12f/0xa40 [ 5000.830957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.830957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.830957][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.830957][ T73] netlink_unicast+0x449/0x710 [ 5000.830957][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.830957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.830957][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.830957][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.830957][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.830957][ T73] [ 5000.832923][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.832923][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5000.832923][ T73] ipv6_find_idev+0x102/0x170 [ 5000.832923][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.832923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.832923][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.832923][ T73] netlink_unicast+0x449/0x710 [ 5000.832923][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.832923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.832923][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.832923][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.832923][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.832923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.832923][ T73] [ 5000.834463][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5000.834463][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5000.834463][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5000.834463][ T73] ipv6_find_idev+0x102/0x170 [ 5000.834463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.834463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.834463][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.834463][ T73] netlink_unicast+0x449/0x710 [ 5000.834463][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.834463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.834463][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.834463][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.834463][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.834463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.834463][ T73] [ 5000.836595][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5000.836884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.836884][ T73] dst_init+0x84/0x4a0 [ 5000.836884][ T73] dst_alloc+0x97/0x150 [ 5000.836884][ T73] ip6_dst_alloc+0x23/0x90 [ 5000.836884][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5000.836884][ T73] ip6_pol_route+0x56f/0x840 [ 5000.836884][ T73] fib6_rule_lookup+0x456/0x630 [ 5000.836884][ T73] ip6_route_input+0x59c/0xa50 [ 5000.836884][ T73] ipv6_rcv+0x397/0x810 [ 5000.836884][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5000.836884][ T73] process_backlog+0x101/0x620 [ 5000.836884][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5000.836884][ T73] net_rx_action+0x495/0xbe0 [ 5000.836884][ T73] __do_softirq+0x1b5/0x7f6 [ 5000.836884][ T73] [ 5000.838540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.838540][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.838540][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.838540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.838540][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5000.838540][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5000.838540][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5000.838540][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5000.838540][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5000.838540][ T73] addrconf_dad_begin+0x310/0x670 [ 5000.838540][ T73] addrconf_dad_work+0x10b/0xab0 [ 5000.838540][ T73] process_one_work+0x84d/0x18a0 [ 5000.838540][ T73] worker_thread+0x587/0xd30 [ 5000.838540][ T73] kthread+0x28a/0x350 [ 5000.838540][ T73] ret_from_fork+0x31/0x70 [ 5000.838540][ T73] ret_from_fork_asm+0x1a/0x30 [ 5000.838540][ T73] [ 5000.840462][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.840462][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.840462][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.840462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.840462][ T73] ip6_route_add+0x1c/0x140 [ 5000.840462][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5000.840462][ T73] inet6_addr_add+0x4f8/0xa40 [ 5000.840462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.840462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.840462][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.840462][ T73] netlink_unicast+0x449/0x710 [ 5000.840462][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.840462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.840462][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.840462][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.840462][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.840462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.840462][ T73] [ 5000.842478][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.842478][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.842478][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.842478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.842478][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5000.842478][ T73] ipv6_add_addr+0x411/0x2000 [ 5000.842478][ T73] inet6_addr_add+0x30e/0xa40 [ 5000.842478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.842478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.842478][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.842478][ T73] netlink_unicast+0x449/0x710 [ 5000.842478][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.842478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.842478][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.842478][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.842478][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.842478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.842478][ T73] [ 5000.844499][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.844499][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.844499][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.844499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.844499][ T73] ip6_route_add+0x1c/0x140 [ 5000.844499][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5000.844499][ T73] addrconf_add_dev+0xe2/0x170 [ 5000.844499][ T73] inet6_addr_add+0x12f/0xa40 [ 5000.844499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.844499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.844499][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.844499][ T73] netlink_unicast+0x449/0x710 [ 5000.844499][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.844499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.844499][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.844499][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.844499][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.844499][ T73] [ 5000.846468][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.846468][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5000.846468][ T73] ipv6_find_idev+0x102/0x170 [ 5000.846468][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.846468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.846468][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.846468][ T73] netlink_unicast+0x449/0x710 [ 5000.846468][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.846468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.846468][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.846468][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.846468][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.846468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.846468][ T73] [ 5000.848022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5000.848022][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5000.848022][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5000.848022][ T73] ipv6_find_idev+0x102/0x170 [ 5000.848022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.848022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.848022][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.848022][ T73] netlink_unicast+0x449/0x710 [ 5000.848022][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.848022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.848022][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.848022][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.848022][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.848022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.848022][ T73] [ 5000.849841][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5000.850120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.850120][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5000.850120][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5000.850120][ T73] fib6_nh_init+0xa22/0x1580 [ 5000.850120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.850120][ T73] ip6_route_add+0x1c/0x140 [ 5000.850120][ T73] inet6_rtm_newroute+0x104/0x110 [ 5000.850120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.850120][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.850120][ T73] netlink_unicast+0x449/0x710 [ 5000.850120][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.850120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.850120][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.850120][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.850120][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.850120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.850120][ T73] [ 5000.852311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.852311][ T73] dst_init+0x84/0x4a0 [ 5000.852311][ T73] dst_alloc+0x97/0x150 [ 5000.852311][ T73] ip6_dst_alloc+0x23/0x90 [ 5000.852311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5000.852311][ T73] ip6_pol_route+0x56f/0x840 [ 5000.852311][ T73] fib6_rule_lookup+0x456/0x630 [ 5000.852311][ T73] ip6_route_input+0x59c/0xa50 [ 5000.852311][ T73] ipv6_rcv+0x397/0x810 [ 5000.852311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5000.852311][ T73] process_backlog+0x101/0x620 [ 5000.852311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5000.852311][ T73] net_rx_action+0x495/0xbe0 [ 5000.852311][ T73] __do_softirq+0x1b5/0x7f6 [ 5000.852311][ T73] [ 5000.854135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.854135][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.854135][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.854135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.854135][ T73] ip6_route_add+0x1c/0x140 [ 5000.854135][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5000.854135][ T73] inet6_addr_add+0x4f8/0xa40 [ 5000.854135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.854135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.854135][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.854135][ T73] netlink_unicast+0x449/0x710 [ 5000.854135][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.854135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.854135][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.854135][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.854135][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.854135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.854135][ T73] [ 5000.856383][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.856383][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.856383][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.856383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.856383][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5000.856383][ T73] ipv6_add_addr+0x411/0x2000 [ 5000.856383][ T73] inet6_addr_add+0x30e/0xa40 [ 5000.856383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.856383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.856383][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.856383][ T73] netlink_unicast+0x449/0x710 [ 5000.856383][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.856383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.856383][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.856383][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.856383][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.856383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.856383][ T73] [ 5000.858650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.858650][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.858650][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.858650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.858650][ T73] ip6_route_add+0x1c/0x140 [ 5000.858650][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5000.858650][ T73] addrconf_add_dev+0xe2/0x170 [ 5000.858650][ T73] inet6_addr_add+0x12f/0xa40 [ 5000.858650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.858650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.858650][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.858650][ T73] netlink_unicast+0x449/0x710 [ 5000.858650][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.858650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.858650][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.858650][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.858650][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.858650][ T73] [ 5000.860921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.860921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5000.860921][ T73] ipv6_find_idev+0x102/0x170 [ 5000.860921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.860921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.860921][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.860921][ T73] netlink_unicast+0x449/0x710 [ 5000.860921][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.860921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.860921][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.860921][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.860921][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.860921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.860921][ T73] [ 5000.862598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5000.862598][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5000.862598][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5000.862598][ T73] ipv6_find_idev+0x102/0x170 [ 5000.862598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.862598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.862598][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.862598][ T73] netlink_unicast+0x449/0x710 [ 5000.862598][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.862598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.862598][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.862598][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.862598][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.862598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.862598][ T73] [ 5000.864533][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5000.864815][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5000.864815][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.864815][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.864815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.864815][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5000.864815][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5000.864815][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5000.864815][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5000.864815][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5000.864815][ T73] addrconf_dad_begin+0x310/0x670 [ 5000.864815][ T73] addrconf_dad_work+0x10b/0xab0 [ 5000.864815][ T73] process_one_work+0x84d/0x18a0 [ 5000.864815][ T73] worker_thread+0x587/0xd30 [ 5000.864815][ T73] kthread+0x28a/0x350 [ 5000.864815][ T73] ret_from_fork+0x31/0x70 [ 5000.864815][ T73] ret_from_fork_asm+0x1a/0x30 [ 5000.864815][ T73] [ 5000.866976][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5000.866976][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.866976][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.866976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.866976][ T73] ip6_route_add+0x1c/0x140 [ 5000.866976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5000.866976][ T73] inet6_addr_add+0x4f8/0xa40 [ 5000.866976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.866976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.866976][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.866976][ T73] netlink_unicast+0x449/0x710 [ 5000.866976][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.866976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.866976][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.866976][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.866976][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.866976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.866976][ T73] [ 5000.869225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5000.869225][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.869225][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.869225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.869225][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5000.869225][ T73] ipv6_add_addr+0x411/0x2000 [ 5000.869225][ T73] inet6_addr_add+0x30e/0xa40 [ 5000.869225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.869225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.869225][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.869225][ T73] netlink_unicast+0x449/0x710 [ 5000.869225][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.869225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.869225][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.869225][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.869225][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.869225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.869225][ T73] [ 5000.871472][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5000.871472][ T73] netdev_get_by_index+0x5e/0x80 [ 5000.871472][ T73] fib6_nh_init+0x3d8/0x1580 [ 5000.871472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5000.871472][ T73] ip6_route_add+0x1c/0x140 [ 5000.871472][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5000.871472][ T73] addrconf_add_dev+0xe2/0x170 [ 5000.871472][ T73] inet6_addr_add+0x12f/0xa40 [ 5000.871472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5000.871472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.871472][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.871472][ T73] netlink_unicast+0x449/0x710 [ 5000.871472][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.871472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.871472][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.871472][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.871472][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.871472][ T73] [ 5000.873678][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5000.873678][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5000.873678][ T73] ipv6_find_idev+0x102/0x170 [ 5000.873678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.873678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.873678][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.873678][ T73] netlink_unicast+0x449/0x710 [ 5000.873678][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.873678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.873678][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.873678][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.873678][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.873678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.873678][ T73] [ 5000.875415][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5000.875415][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5000.875415][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5000.875415][ T73] ipv6_find_idev+0x102/0x170 [ 5000.875415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5000.875415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5000.875415][ T73] netlink_rcv_skb+0x130/0x360 [ 5000.875415][ T73] netlink_unicast+0x449/0x710 [ 5000.875415][ T73] netlink_sendmsg+0x723/0xbe0 [ 5000.875415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5000.875415][ T73] ___sys_sendmsg+0xee/0x170 [ 5000.875415][ T73] __sys_sendmsg+0xcd/0x170 [ 5000.875415][ T73] do_syscall_64+0xc6/0x1e0 [ 5000.875415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5000.875415][ T73] [ 5010.878855][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5010.879255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.879255][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5010.879255][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5010.879255][ T73] fib6_nh_init+0xa22/0x1580 [ 5010.879255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.879255][ T73] ip6_route_add+0x1c/0x140 [ 5010.879255][ T73] inet6_rtm_newroute+0x104/0x110 [ 5010.879255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.879255][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.879255][ T73] netlink_unicast+0x449/0x710 [ 5010.879255][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.879255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.879255][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.879255][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.879255][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.879255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.879255][ T73] [ 5010.881174][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.881174][ T73] dst_init+0x84/0x4a0 [ 5010.881174][ T73] dst_alloc+0x97/0x150 [ 5010.881174][ T73] ip6_dst_alloc+0x23/0x90 [ 5010.881174][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5010.881174][ T73] ip6_pol_route+0x56f/0x840 [ 5010.881174][ T73] fib6_rule_lookup+0x456/0x630 [ 5010.881174][ T73] ip6_route_input+0x59c/0xa50 [ 5010.881174][ T73] ipv6_rcv+0x397/0x810 [ 5010.881174][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5010.881174][ T73] process_backlog+0x101/0x620 [ 5010.881174][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5010.881174][ T73] net_rx_action+0x495/0xbe0 [ 5010.881174][ T73] __do_softirq+0x1b5/0x7f6 [ 5010.881174][ T73] [ 5010.882843][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.882843][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.882843][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.882843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.882843][ T73] ip6_route_add+0x1c/0x140 [ 5010.882843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5010.882843][ T73] inet6_addr_add+0x4f8/0xa40 [ 5010.882843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.882843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.882843][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.882843][ T73] netlink_unicast+0x449/0x710 [ 5010.882843][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.882843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.882843][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.882843][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.882843][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.882843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.882843][ T73] [ 5010.884869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.884869][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.884869][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.884869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.884869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5010.884869][ T73] ipv6_add_addr+0x411/0x2000 [ 5010.884869][ T73] inet6_addr_add+0x30e/0xa40 [ 5010.884869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.884869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.884869][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.884869][ T73] netlink_unicast+0x449/0x710 [ 5010.884869][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.884869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.884869][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.884869][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.884869][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.884869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.884869][ T73] [ 5010.886883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.886883][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.886883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.886883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.886883][ T73] ip6_route_add+0x1c/0x140 [ 5010.886883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5010.886883][ T73] addrconf_add_dev+0xe2/0x170 [ 5010.886883][ T73] inet6_addr_add+0x12f/0xa40 [ 5010.886883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.886883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.886883][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.886883][ T73] netlink_unicast+0x449/0x710 [ 5010.886883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.886883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.886883][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.886883][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.886883][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.886883][ T73] [ 5010.888911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.888911][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5010.888911][ T73] ipv6_find_idev+0x102/0x170 [ 5010.888911][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.888911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.888911][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.888911][ T73] netlink_unicast+0x449/0x710 [ 5010.888911][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.888911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.888911][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.888911][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.888911][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.888911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.888911][ T73] [ 5010.890491][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5010.890491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5010.890491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5010.890491][ T73] ipv6_find_idev+0x102/0x170 [ 5010.890491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.890491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.890491][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.890491][ T73] netlink_unicast+0x449/0x710 [ 5010.890491][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.890491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.890491][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.890491][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.890491][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.890491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.890491][ T73] [ 5010.892221][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5010.892500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.892500][ T73] dst_init+0x84/0x4a0 [ 5010.892500][ T73] dst_alloc+0x97/0x150 [ 5010.892500][ T73] ip6_dst_alloc+0x23/0x90 [ 5010.892500][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5010.892500][ T73] ip6_pol_route+0x56f/0x840 [ 5010.892500][ T73] fib6_rule_lookup+0x456/0x630 [ 5010.892500][ T73] ip6_route_input+0x59c/0xa50 [ 5010.892500][ T73] ipv6_rcv+0x397/0x810 [ 5010.892500][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5010.892500][ T73] process_backlog+0x101/0x620 [ 5010.892500][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5010.892500][ T73] net_rx_action+0x495/0xbe0 [ 5010.892500][ T73] __do_softirq+0x1b5/0x7f6 [ 5010.892500][ T73] [ 5010.894239][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.894239][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.894239][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.894239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.894239][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5010.894239][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5010.894239][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5010.894239][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5010.894239][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5010.894239][ T73] addrconf_dad_begin+0x310/0x670 [ 5010.894239][ T73] addrconf_dad_work+0x10b/0xab0 [ 5010.894239][ T73] process_one_work+0x84d/0x18a0 [ 5010.894239][ T73] worker_thread+0x587/0xd30 [ 5010.894239][ T73] kthread+0x28a/0x350 [ 5010.894239][ T73] ret_from_fork+0x31/0x70 [ 5010.894239][ T73] ret_from_fork_asm+0x1a/0x30 [ 5010.894239][ T73] [ 5010.896358][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.896358][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.896358][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.896358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.896358][ T73] ip6_route_add+0x1c/0x140 [ 5010.896358][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5010.896358][ T73] inet6_addr_add+0x4f8/0xa40 [ 5010.896358][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.896358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.896358][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.896358][ T73] netlink_unicast+0x449/0x710 [ 5010.896358][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.896358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.896358][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.896358][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.896358][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.896358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.896358][ T73] [ 5010.898571][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.898571][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.898571][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.898571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.898571][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5010.898571][ T73] ipv6_add_addr+0x411/0x2000 [ 5010.898571][ T73] inet6_addr_add+0x30e/0xa40 [ 5010.898571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.898571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.898571][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.898571][ T73] netlink_unicast+0x449/0x710 [ 5010.898571][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.898571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.898571][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.898571][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.898571][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.898571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.898571][ T73] [ 5010.900783][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.900783][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.900783][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.900783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.900783][ T73] ip6_route_add+0x1c/0x140 [ 5010.900783][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5010.900783][ T73] addrconf_add_dev+0xe2/0x170 [ 5010.900783][ T73] inet6_addr_add+0x12f/0xa40 [ 5010.900783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.900783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.900783][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.900783][ T73] netlink_unicast+0x449/0x710 [ 5010.900783][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.900783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.900783][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.900783][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.900783][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.900783][ T73] [ 5010.903514][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.903514][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5010.903514][ T73] ipv6_find_idev+0x102/0x170 [ 5010.903514][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.903514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.903514][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.903514][ T73] netlink_unicast+0x449/0x710 [ 5010.903514][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.903514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.903514][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.903514][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.903514][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.903514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.903514][ T73] [ 5010.905086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5010.905086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5010.905086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5010.905086][ T73] ipv6_find_idev+0x102/0x170 [ 5010.905086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.905086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.905086][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.905086][ T73] netlink_unicast+0x449/0x710 [ 5010.905086][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.905086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.905086][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.905086][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.905086][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.905086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.905086][ T73] [ 5010.906857][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5010.907130][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.907130][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5010.907130][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5010.907130][ T73] fib6_nh_init+0xa22/0x1580 [ 5010.907130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.907130][ T73] ip6_route_add+0x1c/0x140 [ 5010.907130][ T73] inet6_rtm_newroute+0x104/0x110 [ 5010.907130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.907130][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.907130][ T73] netlink_unicast+0x449/0x710 [ 5010.907130][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.907130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.907130][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.907130][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.907130][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.907130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.907130][ T73] [ 5010.909155][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.909155][ T73] dst_init+0x84/0x4a0 [ 5010.909155][ T73] dst_alloc+0x97/0x150 [ 5010.909155][ T73] ip6_dst_alloc+0x23/0x90 [ 5010.909155][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5010.909155][ T73] ip6_pol_route+0x56f/0x840 [ 5010.909155][ T73] fib6_rule_lookup+0x456/0x630 [ 5010.909155][ T73] ip6_route_input+0x59c/0xa50 [ 5010.909155][ T73] ipv6_rcv+0x397/0x810 [ 5010.909155][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5010.909155][ T73] process_backlog+0x101/0x620 [ 5010.909155][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5010.909155][ T73] net_rx_action+0x495/0xbe0 [ 5010.909155][ T73] __do_softirq+0x1b5/0x7f6 [ 5010.909155][ T73] [ 5010.910975][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.910975][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.910975][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.910975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.910975][ T73] ip6_route_add+0x1c/0x140 [ 5010.910975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5010.910975][ T73] inet6_addr_add+0x4f8/0xa40 [ 5010.910975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.910975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.910975][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.910975][ T73] netlink_unicast+0x449/0x710 [ 5010.910975][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.910975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.910975][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.910975][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.910975][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.910975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.910975][ T73] [ 5010.913171][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.913171][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.913171][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.913171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.913171][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5010.913171][ T73] ipv6_add_addr+0x411/0x2000 [ 5010.913171][ T73] inet6_addr_add+0x30e/0xa40 [ 5010.913171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.913171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.913171][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.913171][ T73] netlink_unicast+0x449/0x710 [ 5010.913171][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.913171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.913171][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.913171][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.913171][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.913171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.913171][ T73] [ 5010.915333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.915333][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.915333][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.915333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.915333][ T73] ip6_route_add+0x1c/0x140 [ 5010.915333][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5010.915333][ T73] addrconf_add_dev+0xe2/0x170 [ 5010.915333][ T73] inet6_addr_add+0x12f/0xa40 [ 5010.915333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.915333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.915333][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.915333][ T73] netlink_unicast+0x449/0x710 [ 5010.915333][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.915333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.915333][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.915333][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.915333][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.915333][ T73] [ 5010.917454][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.917454][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5010.917454][ T73] ipv6_find_idev+0x102/0x170 [ 5010.917454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.917454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.917454][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.917454][ T73] netlink_unicast+0x449/0x710 [ 5010.917454][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.917454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.917454][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.917454][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.917454][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.917454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.917454][ T73] [ 5010.919068][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5010.919068][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5010.919068][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5010.919068][ T73] ipv6_find_idev+0x102/0x170 [ 5010.919068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.919068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.919068][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.919068][ T73] netlink_unicast+0x449/0x710 [ 5010.919068][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.919068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.919068][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.919068][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.919068][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.919068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.919068][ T73] [ 5010.920965][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5010.921238][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5010.921238][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.921238][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.921238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.921238][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5010.921238][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5010.921238][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5010.921238][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5010.921238][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5010.921238][ T73] addrconf_dad_begin+0x310/0x670 [ 5010.921238][ T73] addrconf_dad_work+0x10b/0xab0 [ 5010.921238][ T73] process_one_work+0x84d/0x18a0 [ 5010.921238][ T73] worker_thread+0x587/0xd30 [ 5010.921238][ T73] kthread+0x28a/0x350 [ 5010.921238][ T73] ret_from_fork+0x31/0x70 [ 5010.921238][ T73] ret_from_fork_asm+0x1a/0x30 [ 5010.921238][ T73] [ 5010.923302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5010.923302][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.923302][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.923302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.923302][ T73] ip6_route_add+0x1c/0x140 [ 5010.923302][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5010.923302][ T73] inet6_addr_add+0x4f8/0xa40 [ 5010.923302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.923302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.923302][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.923302][ T73] netlink_unicast+0x449/0x710 [ 5010.923302][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.923302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.923302][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.923302][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.923302][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.923302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.923302][ T73] [ 5010.925443][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5010.925443][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.925443][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.925443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.925443][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5010.925443][ T73] ipv6_add_addr+0x411/0x2000 [ 5010.925443][ T73] inet6_addr_add+0x30e/0xa40 [ 5010.925443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.925443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.925443][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.925443][ T73] netlink_unicast+0x449/0x710 [ 5010.925443][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.925443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.925443][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.925443][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.925443][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.925443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.925443][ T73] [ 5010.927525][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5010.927525][ T73] netdev_get_by_index+0x5e/0x80 [ 5010.927525][ T73] fib6_nh_init+0x3d8/0x1580 [ 5010.927525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5010.927525][ T73] ip6_route_add+0x1c/0x140 [ 5010.927525][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5010.927525][ T73] addrconf_add_dev+0xe2/0x170 [ 5010.927525][ T73] inet6_addr_add+0x12f/0xa40 [ 5010.927525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5010.927525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.927525][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.927525][ T73] netlink_unicast+0x449/0x710 [ 5010.927525][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.927525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.927525][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.927525][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.927525][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.927525][ T73] [ 5010.929639][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5010.929639][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5010.929639][ T73] ipv6_find_idev+0x102/0x170 [ 5010.929639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.929639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.929639][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.929639][ T73] netlink_unicast+0x449/0x710 [ 5010.929639][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.929639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.929639][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.929639][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.929639][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.929639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.929639][ T73] [ 5010.931390][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5010.931390][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5010.931390][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5010.931390][ T73] ipv6_find_idev+0x102/0x170 [ 5010.931390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5010.931390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5010.931390][ T73] netlink_rcv_skb+0x130/0x360 [ 5010.931390][ T73] netlink_unicast+0x449/0x710 [ 5010.931390][ T73] netlink_sendmsg+0x723/0xbe0 [ 5010.931390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5010.931390][ T73] ___sys_sendmsg+0xee/0x170 [ 5010.931390][ T73] __sys_sendmsg+0xcd/0x170 [ 5010.931390][ T73] do_syscall_64+0xc6/0x1e0 [ 5010.931390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5010.931390][ T73] [ 5021.174850][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5021.175259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.175259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5021.175259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5021.175259][ T73] fib6_nh_init+0xa22/0x1580 [ 5021.175259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.175259][ T73] ip6_route_add+0x1c/0x140 [ 5021.175259][ T73] inet6_rtm_newroute+0x104/0x110 [ 5021.175259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.175259][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.175259][ T73] netlink_unicast+0x449/0x710 [ 5021.175259][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.175259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.175259][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.175259][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.175259][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.175259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.175259][ T73] [ 5021.177157][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.177157][ T73] dst_init+0x84/0x4a0 [ 5021.177157][ T73] dst_alloc+0x97/0x150 [ 5021.177157][ T73] ip6_dst_alloc+0x23/0x90 [ 5021.177157][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5021.177157][ T73] ip6_pol_route+0x56f/0x840 [ 5021.177157][ T73] fib6_rule_lookup+0x456/0x630 [ 5021.177157][ T73] ip6_route_input+0x59c/0xa50 [ 5021.177157][ T73] ipv6_rcv+0x397/0x810 [ 5021.177157][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5021.177157][ T73] process_backlog+0x101/0x620 [ 5021.177157][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5021.177157][ T73] net_rx_action+0x495/0xbe0 [ 5021.177157][ T73] __do_softirq+0x1b5/0x7f6 [ 5021.177157][ T73] [ 5021.178812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.178812][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.178812][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.178812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.178812][ T73] ip6_route_add+0x1c/0x140 [ 5021.178812][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5021.178812][ T73] inet6_addr_add+0x4f8/0xa40 [ 5021.178812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.178812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.178812][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.178812][ T73] netlink_unicast+0x449/0x710 [ 5021.178812][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.178812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.178812][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.178812][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.178812][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.178812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.178812][ T73] [ 5021.180820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.180820][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.180820][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.180820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.180820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5021.180820][ T73] ipv6_add_addr+0x411/0x2000 [ 5021.180820][ T73] inet6_addr_add+0x30e/0xa40 [ 5021.180820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.180820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.180820][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.180820][ T73] netlink_unicast+0x449/0x710 [ 5021.180820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.180820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.180820][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.180820][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.180820][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.180820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.180820][ T73] [ 5021.182822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.182822][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.182822][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.182822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.182822][ T73] ip6_route_add+0x1c/0x140 [ 5021.182822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5021.182822][ T73] addrconf_add_dev+0xe2/0x170 [ 5021.182822][ T73] inet6_addr_add+0x12f/0xa40 [ 5021.182822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.182822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.182822][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.182822][ T73] netlink_unicast+0x449/0x710 [ 5021.182822][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.182822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.182822][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.182822][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.182822][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.182822][ T73] [ 5021.184810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.184810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5021.184810][ T73] ipv6_find_idev+0x102/0x170 [ 5021.184810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.184810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.184810][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.184810][ T73] netlink_unicast+0x449/0x710 [ 5021.184810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.184810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.184810][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.184810][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.184810][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.184810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.184810][ T73] [ 5021.186365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5021.186365][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5021.186365][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5021.186365][ T73] ipv6_find_idev+0x102/0x170 [ 5021.186365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.186365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.186365][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.186365][ T73] netlink_unicast+0x449/0x710 [ 5021.186365][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.186365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.186365][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.186365][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.186365][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.186365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.186365][ T73] [ 5021.188080][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5021.188355][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.188355][ T73] dst_init+0x84/0x4a0 [ 5021.188355][ T73] dst_alloc+0x97/0x150 [ 5021.188355][ T73] ip6_dst_alloc+0x23/0x90 [ 5021.188355][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5021.188355][ T73] ip6_pol_route+0x56f/0x840 [ 5021.188355][ T73] fib6_rule_lookup+0x456/0x630 [ 5021.188355][ T73] ip6_route_input+0x59c/0xa50 [ 5021.188355][ T73] ipv6_rcv+0x397/0x810 [ 5021.188355][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5021.188355][ T73] process_backlog+0x101/0x620 [ 5021.188355][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5021.188355][ T73] net_rx_action+0x495/0xbe0 [ 5021.188355][ T73] __do_softirq+0x1b5/0x7f6 [ 5021.188355][ T73] [ 5021.190029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.190029][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.190029][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.190029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.190029][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5021.190029][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5021.190029][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5021.190029][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5021.190029][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5021.190029][ T73] addrconf_dad_begin+0x310/0x670 [ 5021.190029][ T73] addrconf_dad_work+0x10b/0xab0 [ 5021.190029][ T73] process_one_work+0x84d/0x18a0 [ 5021.190029][ T73] worker_thread+0x587/0xd30 [ 5021.190029][ T73] kthread+0x28a/0x350 [ 5021.190029][ T73] ret_from_fork+0x31/0x70 [ 5021.190029][ T73] ret_from_fork_asm+0x1a/0x30 [ 5021.190029][ T73] [ 5021.191942][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.191942][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.191942][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.191942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.191942][ T73] ip6_route_add+0x1c/0x140 [ 5021.191942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5021.191942][ T73] inet6_addr_add+0x4f8/0xa40 [ 5021.191942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.191942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.191942][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.191942][ T73] netlink_unicast+0x449/0x710 [ 5021.191942][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.191942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.191942][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.191942][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.191942][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.191942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.191942][ T73] [ 5021.193950][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.193950][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.193950][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.193950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.193950][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5021.193950][ T73] ipv6_add_addr+0x411/0x2000 [ 5021.193950][ T73] inet6_addr_add+0x30e/0xa40 [ 5021.193950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.193950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.193950][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.193950][ T73] netlink_unicast+0x449/0x710 [ 5021.193950][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.193950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.193950][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.193950][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.193950][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.193950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.193950][ T73] [ 5021.195968][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.195968][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.195968][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.195968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.195968][ T73] ip6_route_add+0x1c/0x140 [ 5021.195968][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5021.195968][ T73] addrconf_add_dev+0xe2/0x170 [ 5021.195968][ T73] inet6_addr_add+0x12f/0xa40 [ 5021.195968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.195968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.195968][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.195968][ T73] netlink_unicast+0x449/0x710 [ 5021.195968][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.195968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.195968][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.195968][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.195968][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.195968][ T73] [ 5021.197955][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.197955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5021.197955][ T73] ipv6_find_idev+0x102/0x170 [ 5021.197955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.197955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.197955][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.197955][ T73] netlink_unicast+0x449/0x710 [ 5021.197955][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.197955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.197955][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.197955][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.197955][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.197955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.197955][ T73] [ 5021.199519][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5021.199519][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5021.199519][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5021.199519][ T73] ipv6_find_idev+0x102/0x170 [ 5021.199519][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.199519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.199519][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.199519][ T73] netlink_unicast+0x449/0x710 [ 5021.199519][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.199519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.199519][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.199519][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.199519][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.199519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.199519][ T73] [ 5021.201350][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5021.201621][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.201621][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5021.201621][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5021.201621][ T73] fib6_nh_init+0xa22/0x1580 [ 5021.201621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.201621][ T73] ip6_route_add+0x1c/0x140 [ 5021.201621][ T73] inet6_rtm_newroute+0x104/0x110 [ 5021.201621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.201621][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.201621][ T73] netlink_unicast+0x449/0x710 [ 5021.201621][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.201621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.201621][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.201621][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.201621][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.201621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.201621][ T73] [ 5021.203816][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.203816][ T73] dst_init+0x84/0x4a0 [ 5021.203816][ T73] dst_alloc+0x97/0x150 [ 5021.203816][ T73] ip6_dst_alloc+0x23/0x90 [ 5021.203816][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5021.203816][ T73] ip6_pol_route+0x56f/0x840 [ 5021.203816][ T73] fib6_rule_lookup+0x456/0x630 [ 5021.203816][ T73] ip6_route_input+0x59c/0xa50 [ 5021.203816][ T73] ipv6_rcv+0x397/0x810 [ 5021.203816][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5021.203816][ T73] process_backlog+0x101/0x620 [ 5021.203816][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5021.203816][ T73] net_rx_action+0x495/0xbe0 [ 5021.203816][ T73] __do_softirq+0x1b5/0x7f6 [ 5021.203816][ T73] [ 5021.205642][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.205642][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.205642][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.205642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.205642][ T73] ip6_route_add+0x1c/0x140 [ 5021.205642][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5021.205642][ T73] inet6_addr_add+0x4f8/0xa40 [ 5021.205642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.205642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.205642][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.205642][ T73] netlink_unicast+0x449/0x710 [ 5021.205642][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.205642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.205642][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.205642][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.205642][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.205642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.205642][ T73] [ 5021.207907][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.207907][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.207907][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.207907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.207907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5021.207907][ T73] ipv6_add_addr+0x411/0x2000 [ 5021.207907][ T73] inet6_addr_add+0x30e/0xa40 [ 5021.207907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.207907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.207907][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.207907][ T73] netlink_unicast+0x449/0x710 [ 5021.207907][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.207907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.207907][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.207907][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.207907][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.207907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.207907][ T73] [ 5021.210158][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.210158][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.210158][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.210158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.210158][ T73] ip6_route_add+0x1c/0x140 [ 5021.210158][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5021.210158][ T73] addrconf_add_dev+0xe2/0x170 [ 5021.210158][ T73] inet6_addr_add+0x12f/0xa40 [ 5021.210158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.210158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.210158][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.210158][ T73] netlink_unicast+0x449/0x710 [ 5021.210158][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.210158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.210158][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.210158][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.210158][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.210158][ T73] [ 5021.212437][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.212437][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5021.212437][ T73] ipv6_find_idev+0x102/0x170 [ 5021.212437][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.212437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.212437][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.212437][ T73] netlink_unicast+0x449/0x710 [ 5021.212437][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.212437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.212437][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.212437][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.212437][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.212437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.212437][ T73] [ 5021.214109][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5021.214109][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5021.214109][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5021.214109][ T73] ipv6_find_idev+0x102/0x170 [ 5021.214109][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.214109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.214109][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.214109][ T73] netlink_unicast+0x449/0x710 [ 5021.214109][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.214109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.214109][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.214109][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.214109][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.214109][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.214109][ T73] [ 5021.216067][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5021.216342][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5021.216342][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.216342][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.216342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.216342][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5021.216342][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5021.216342][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5021.216342][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5021.216342][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5021.216342][ T73] addrconf_dad_begin+0x310/0x670 [ 5021.216342][ T73] addrconf_dad_work+0x10b/0xab0 [ 5021.216342][ T73] process_one_work+0x84d/0x18a0 [ 5021.216342][ T73] worker_thread+0x587/0xd30 [ 5021.216342][ T73] kthread+0x28a/0x350 [ 5021.216342][ T73] ret_from_fork+0x31/0x70 [ 5021.216342][ T73] ret_from_fork_asm+0x1a/0x30 [ 5021.216342][ T73] [ 5021.218500][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5021.218500][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.218500][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.218500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.218500][ T73] ip6_route_add+0x1c/0x140 [ 5021.218500][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5021.218500][ T73] inet6_addr_add+0x4f8/0xa40 [ 5021.218500][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.218500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.218500][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.218500][ T73] netlink_unicast+0x449/0x710 [ 5021.218500][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.218500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.218500][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.218500][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.218500][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.218500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.218500][ T73] [ 5021.220741][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5021.220741][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.220741][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.220741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.220741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5021.220741][ T73] ipv6_add_addr+0x411/0x2000 [ 5021.220741][ T73] inet6_addr_add+0x30e/0xa40 [ 5021.220741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.220741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.220741][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.220741][ T73] netlink_unicast+0x449/0x710 [ 5021.220741][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.220741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.220741][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.220741][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.220741][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.220741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.220741][ T73] [ 5021.222999][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5021.222999][ T73] netdev_get_by_index+0x5e/0x80 [ 5021.222999][ T73] fib6_nh_init+0x3d8/0x1580 [ 5021.222999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5021.222999][ T73] ip6_route_add+0x1c/0x140 [ 5021.222999][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5021.222999][ T73] addrconf_add_dev+0xe2/0x170 [ 5021.222999][ T73] inet6_addr_add+0x12f/0xa40 [ 5021.222999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.222999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.222999][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.222999][ T73] netlink_unicast+0x449/0x710 [ 5021.222999][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.222999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.222999][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.222999][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.222999][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.222999][ T73] [ 5021.225777][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5021.225777][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5021.225777][ T73] ipv6_find_idev+0x102/0x170 [ 5021.225777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.225777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.225777][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.225777][ T73] netlink_unicast+0x449/0x710 [ 5021.225777][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.225777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.225777][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.225777][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.225777][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.225777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.225777][ T73] [ 5021.227517][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5021.227517][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5021.227517][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5021.227517][ T73] ipv6_find_idev+0x102/0x170 [ 5021.227517][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.227517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.227517][ T73] netlink_rcv_skb+0x130/0x360 [ 5021.227517][ T73] netlink_unicast+0x449/0x710 [ 5021.227517][ T73] netlink_sendmsg+0x723/0xbe0 [ 5021.227517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5021.227517][ T73] ___sys_sendmsg+0xee/0x170 [ 5021.227517][ T73] __sys_sendmsg+0xcd/0x170 [ 5021.227517][ T73] do_syscall_64+0xc6/0x1e0 [ 5021.227517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.227517][ T73] [ 5031.470914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5031.471358][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.471358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5031.471358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5031.471358][ T73] fib6_nh_init+0xa22/0x1580 [ 5031.471358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.471358][ T73] ip6_route_add+0x1c/0x140 [ 5031.471358][ T73] inet6_rtm_newroute+0x104/0x110 [ 5031.471358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.471358][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.471358][ T73] netlink_unicast+0x449/0x710 [ 5031.471358][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.471358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.471358][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.471358][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.471358][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.471358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.471358][ T73] [ 5031.473237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.473237][ T73] dst_init+0x84/0x4a0 [ 5031.473237][ T73] dst_alloc+0x97/0x150 [ 5031.473237][ T73] ip6_dst_alloc+0x23/0x90 [ 5031.473237][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5031.473237][ T73] ip6_pol_route+0x56f/0x840 [ 5031.473237][ T73] fib6_rule_lookup+0x456/0x630 [ 5031.473237][ T73] ip6_route_input+0x59c/0xa50 [ 5031.473237][ T73] ipv6_rcv+0x397/0x810 [ 5031.473237][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5031.473237][ T73] process_backlog+0x101/0x620 [ 5031.473237][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5031.473237][ T73] net_rx_action+0x495/0xbe0 [ 5031.473237][ T73] __do_softirq+0x1b5/0x7f6 [ 5031.473237][ T73] [ 5031.474868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.474868][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.474868][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.474868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.474868][ T73] ip6_route_add+0x1c/0x140 [ 5031.474868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5031.474868][ T73] inet6_addr_add+0x4f8/0xa40 [ 5031.474868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.474868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.474868][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.474868][ T73] netlink_unicast+0x449/0x710 [ 5031.474868][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.474868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.474868][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.474868][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.474868][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.474868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.474868][ T73] [ 5031.476846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.476846][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.476846][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.476846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.476846][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5031.476846][ T73] ipv6_add_addr+0x411/0x2000 [ 5031.476846][ T73] inet6_addr_add+0x30e/0xa40 [ 5031.476846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.476846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.476846][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.476846][ T73] netlink_unicast+0x449/0x710 [ 5031.476846][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.476846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.476846][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.476846][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.476846][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.476846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.476846][ T73] [ 5031.478835][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.478835][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.478835][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.478835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.478835][ T73] ip6_route_add+0x1c/0x140 [ 5031.478835][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5031.478835][ T73] addrconf_add_dev+0xe2/0x170 [ 5031.478835][ T73] inet6_addr_add+0x12f/0xa40 [ 5031.478835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.478835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.478835][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.478835][ T73] netlink_unicast+0x449/0x710 [ 5031.478835][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.478835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.478835][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.478835][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.478835][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.478835][ T73] [ 5031.480790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.480790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5031.480790][ T73] ipv6_find_idev+0x102/0x170 [ 5031.480790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.480790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.480790][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.480790][ T73] netlink_unicast+0x449/0x710 [ 5031.480790][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.480790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.480790][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.480790][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.480790][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.480790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.480790][ T73] [ 5031.482311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5031.482311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5031.482311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5031.482311][ T73] ipv6_find_idev+0x102/0x170 [ 5031.482311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.482311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.482311][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.482311][ T73] netlink_unicast+0x449/0x710 [ 5031.482311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.482311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.482311][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.482311][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.482311][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.482311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.482311][ T73] [ 5031.483974][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5031.484244][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.484244][ T73] dst_init+0x84/0x4a0 [ 5031.484244][ T73] dst_alloc+0x97/0x150 [ 5031.484244][ T73] ip6_dst_alloc+0x23/0x90 [ 5031.484244][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5031.484244][ T73] ip6_pol_route+0x56f/0x840 [ 5031.484244][ T73] fib6_rule_lookup+0x456/0x630 [ 5031.484244][ T73] ip6_route_input+0x59c/0xa50 [ 5031.484244][ T73] ipv6_rcv+0x397/0x810 [ 5031.484244][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5031.484244][ T73] process_backlog+0x101/0x620 [ 5031.484244][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5031.484244][ T73] net_rx_action+0x495/0xbe0 [ 5031.484244][ T73] __do_softirq+0x1b5/0x7f6 [ 5031.484244][ T73] [ 5031.485864][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.485864][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.485864][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.485864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.485864][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5031.485864][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5031.485864][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5031.485864][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5031.485864][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5031.485864][ T73] addrconf_dad_begin+0x310/0x670 [ 5031.485864][ T73] addrconf_dad_work+0x10b/0xab0 [ 5031.485864][ T73] process_one_work+0x84d/0x18a0 [ 5031.485864][ T73] worker_thread+0x587/0xd30 [ 5031.485864][ T73] kthread+0x28a/0x350 [ 5031.485864][ T73] ret_from_fork+0x31/0x70 [ 5031.485864][ T73] ret_from_fork_asm+0x1a/0x30 [ 5031.485864][ T73] [ 5031.487767][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.487767][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.487767][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.487767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.487767][ T73] ip6_route_add+0x1c/0x140 [ 5031.487767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5031.487767][ T73] inet6_addr_add+0x4f8/0xa40 [ 5031.487767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.487767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.487767][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.487767][ T73] netlink_unicast+0x449/0x710 [ 5031.487767][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.487767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.487767][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.487767][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.487767][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.487767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.487767][ T73] [ 5031.489741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.489741][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.489741][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.489741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.489741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5031.489741][ T73] ipv6_add_addr+0x411/0x2000 [ 5031.489741][ T73] inet6_addr_add+0x30e/0xa40 [ 5031.489741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.489741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.489741][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.489741][ T73] netlink_unicast+0x449/0x710 [ 5031.489741][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.489741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.489741][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.489741][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.489741][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.489741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.489741][ T73] [ 5031.491716][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.491716][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.491716][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.491716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.491716][ T73] ip6_route_add+0x1c/0x140 [ 5031.491716][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5031.491716][ T73] addrconf_add_dev+0xe2/0x170 [ 5031.491716][ T73] inet6_addr_add+0x12f/0xa40 [ 5031.491716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.491716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.491716][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.491716][ T73] netlink_unicast+0x449/0x710 [ 5031.491716][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.491716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.491716][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.491716][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.491716][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.491716][ T73] [ 5031.493661][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.493661][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5031.493661][ T73] ipv6_find_idev+0x102/0x170 [ 5031.493661][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.493661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.493661][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.493661][ T73] netlink_unicast+0x449/0x710 [ 5031.493661][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.493661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.493661][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.493661][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.493661][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.493661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.493661][ T73] [ 5031.495188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5031.495188][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5031.495188][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5031.495188][ T73] ipv6_find_idev+0x102/0x170 [ 5031.495188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.495188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.495188][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.495188][ T73] netlink_unicast+0x449/0x710 [ 5031.495188][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.495188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.495188][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.495188][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.495188][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.495188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.495188][ T73] [ 5031.496971][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5031.497313][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.497313][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5031.497313][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5031.497313][ T73] fib6_nh_init+0xa22/0x1580 [ 5031.497313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.497313][ T73] ip6_route_add+0x1c/0x140 [ 5031.497313][ T73] inet6_rtm_newroute+0x104/0x110 [ 5031.497313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.497313][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.497313][ T73] netlink_unicast+0x449/0x710 [ 5031.497313][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.497313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.497313][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.497313][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.497313][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.497313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.497313][ T73] [ 5031.499353][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.499353][ T73] dst_init+0x84/0x4a0 [ 5031.499353][ T73] dst_alloc+0x97/0x150 [ 5031.499353][ T73] ip6_dst_alloc+0x23/0x90 [ 5031.499353][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5031.499353][ T73] ip6_pol_route+0x56f/0x840 [ 5031.499353][ T73] fib6_rule_lookup+0x456/0x630 [ 5031.499353][ T73] ip6_route_input+0x59c/0xa50 [ 5031.499353][ T73] ipv6_rcv+0x397/0x810 [ 5031.499353][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5031.499353][ T73] process_backlog+0x101/0x620 [ 5031.499353][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5031.499353][ T73] net_rx_action+0x495/0xbe0 [ 5031.499353][ T73] __do_softirq+0x1b5/0x7f6 [ 5031.499353][ T73] [ 5031.501150][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.501150][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.501150][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.501150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.501150][ T73] ip6_route_add+0x1c/0x140 [ 5031.501150][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5031.501150][ T73] inet6_addr_add+0x4f8/0xa40 [ 5031.501150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.501150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.501150][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.501150][ T73] netlink_unicast+0x449/0x710 [ 5031.501150][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.501150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.501150][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.501150][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.501150][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.501150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.501150][ T73] [ 5031.503429][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.503429][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.503429][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.503429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.503429][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5031.503429][ T73] ipv6_add_addr+0x411/0x2000 [ 5031.503429][ T73] inet6_addr_add+0x30e/0xa40 [ 5031.503429][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.503429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.503429][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.503429][ T73] netlink_unicast+0x449/0x710 [ 5031.503429][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.503429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.503429][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.503429][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.503429][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.503429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.503429][ T73] [ 5031.505587][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.505587][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.505587][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.505587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.505587][ T73] ip6_route_add+0x1c/0x140 [ 5031.505587][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5031.505587][ T73] addrconf_add_dev+0xe2/0x170 [ 5031.505587][ T73] inet6_addr_add+0x12f/0xa40 [ 5031.505587][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.505587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.505587][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.505587][ T73] netlink_unicast+0x449/0x710 [ 5031.505587][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.505587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.505587][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.505587][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.505587][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.505587][ T73] [ 5031.507786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.507786][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5031.507786][ T73] ipv6_find_idev+0x102/0x170 [ 5031.507786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.507786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.507786][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.507786][ T73] netlink_unicast+0x449/0x710 [ 5031.507786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.507786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.507786][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.507786][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.507786][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.507786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.507786][ T73] [ 5031.509486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5031.509486][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5031.509486][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5031.509486][ T73] ipv6_find_idev+0x102/0x170 [ 5031.509486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.509486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.509486][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.509486][ T73] netlink_unicast+0x449/0x710 [ 5031.509486][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.509486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.509486][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.509486][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.509486][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.509486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.509486][ T73] [ 5031.511393][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5031.511660][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5031.511660][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.511660][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.511660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.511660][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5031.511660][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5031.511660][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5031.511660][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5031.511660][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5031.511660][ T73] addrconf_dad_begin+0x310/0x670 [ 5031.511660][ T73] addrconf_dad_work+0x10b/0xab0 [ 5031.511660][ T73] process_one_work+0x84d/0x18a0 [ 5031.511660][ T73] worker_thread+0x587/0xd30 [ 5031.511660][ T73] kthread+0x28a/0x350 [ 5031.511660][ T73] ret_from_fork+0x31/0x70 [ 5031.511660][ T73] ret_from_fork_asm+0x1a/0x30 [ 5031.511660][ T73] [ 5031.513791][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5031.513791][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.513791][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.513791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.513791][ T73] ip6_route_add+0x1c/0x140 [ 5031.513791][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5031.513791][ T73] inet6_addr_add+0x4f8/0xa40 [ 5031.513791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.513791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.513791][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.513791][ T73] netlink_unicast+0x449/0x710 [ 5031.513791][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.513791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.513791][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.513791][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.513791][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.513791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.513791][ T73] [ 5031.516009][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5031.516009][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.516009][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.516009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.516009][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5031.516009][ T73] ipv6_add_addr+0x411/0x2000 [ 5031.516009][ T73] inet6_addr_add+0x30e/0xa40 [ 5031.516009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.516009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.516009][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.516009][ T73] netlink_unicast+0x449/0x710 [ 5031.516009][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.516009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.516009][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.516009][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.516009][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.516009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.516009][ T73] [ 5031.518228][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5031.518228][ T73] netdev_get_by_index+0x5e/0x80 [ 5031.518228][ T73] fib6_nh_init+0x3d8/0x1580 [ 5031.518228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5031.518228][ T73] ip6_route_add+0x1c/0x140 [ 5031.518228][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5031.518228][ T73] addrconf_add_dev+0xe2/0x170 [ 5031.518228][ T73] inet6_addr_add+0x12f/0xa40 [ 5031.518228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5031.518228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.518228][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.518228][ T73] netlink_unicast+0x449/0x710 [ 5031.518228][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.518228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.518228][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.518228][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.518228][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.518228][ T73] [ 5031.520355][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5031.520355][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5031.520355][ T73] ipv6_find_idev+0x102/0x170 [ 5031.520355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.520355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.520355][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.520355][ T73] netlink_unicast+0x449/0x710 [ 5031.520355][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.520355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.520355][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.520355][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.520355][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.520355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.520355][ T73] [ 5031.522122][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5031.522122][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5031.522122][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5031.522122][ T73] ipv6_find_idev+0x102/0x170 [ 5031.522122][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5031.522122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5031.522122][ T73] netlink_rcv_skb+0x130/0x360 [ 5031.522122][ T73] netlink_unicast+0x449/0x710 [ 5031.522122][ T73] netlink_sendmsg+0x723/0xbe0 [ 5031.522122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5031.522122][ T73] ___sys_sendmsg+0xee/0x170 [ 5031.522122][ T73] __sys_sendmsg+0xcd/0x170 [ 5031.522122][ T73] do_syscall_64+0xc6/0x1e0 [ 5031.522122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5031.522122][ T73] [ 5041.758857][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5041.759242][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.759242][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5041.759242][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5041.759242][ T73] fib6_nh_init+0xa22/0x1580 [ 5041.759242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.759242][ T73] ip6_route_add+0x1c/0x140 [ 5041.759242][ T73] inet6_rtm_newroute+0x104/0x110 [ 5041.759242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.759242][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.759242][ T73] netlink_unicast+0x449/0x710 [ 5041.759242][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.759242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.759242][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.759242][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.759242][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.759242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.759242][ T73] [ 5041.761280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.761280][ T73] dst_init+0x84/0x4a0 [ 5041.761280][ T73] dst_alloc+0x97/0x150 [ 5041.761280][ T73] ip6_dst_alloc+0x23/0x90 [ 5041.761280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5041.761280][ T73] ip6_pol_route+0x56f/0x840 [ 5041.761280][ T73] fib6_rule_lookup+0x456/0x630 [ 5041.761280][ T73] ip6_route_input+0x59c/0xa50 [ 5041.761280][ T73] ipv6_rcv+0x397/0x810 [ 5041.761280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5041.761280][ T73] process_backlog+0x101/0x620 [ 5041.761280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5041.761280][ T73] net_rx_action+0x495/0xbe0 [ 5041.761280][ T73] __do_softirq+0x1b5/0x7f6 [ 5041.761280][ T73] [ 5041.762988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.762988][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.762988][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.762988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.762988][ T73] ip6_route_add+0x1c/0x140 [ 5041.762988][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5041.762988][ T73] inet6_addr_add+0x4f8/0xa40 [ 5041.762988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.762988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.762988][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.762988][ T73] netlink_unicast+0x449/0x710 [ 5041.762988][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.762988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.762988][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.762988][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.762988][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.762988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.762988][ T73] [ 5041.765021][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.765021][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.765021][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.765021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.765021][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5041.765021][ T73] ipv6_add_addr+0x411/0x2000 [ 5041.765021][ T73] inet6_addr_add+0x30e/0xa40 [ 5041.765021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.765021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.765021][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.765021][ T73] netlink_unicast+0x449/0x710 [ 5041.765021][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.765021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.765021][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.765021][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.765021][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.765021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.765021][ T73] [ 5041.767076][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.767076][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.767076][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.767076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.767076][ T73] ip6_route_add+0x1c/0x140 [ 5041.767076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5041.767076][ T73] addrconf_add_dev+0xe2/0x170 [ 5041.767076][ T73] inet6_addr_add+0x12f/0xa40 [ 5041.767076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.767076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.767076][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.767076][ T73] netlink_unicast+0x449/0x710 [ 5041.767076][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.767076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.767076][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.767076][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.767076][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.767076][ T73] [ 5041.769111][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.769111][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5041.769111][ T73] ipv6_find_idev+0x102/0x170 [ 5041.769111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.769111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.769111][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.769111][ T73] netlink_unicast+0x449/0x710 [ 5041.769111][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.769111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.769111][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.769111][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.769111][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.769111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.769111][ T73] [ 5041.770685][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5041.770685][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5041.770685][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5041.770685][ T73] ipv6_find_idev+0x102/0x170 [ 5041.770685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.770685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.770685][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.770685][ T73] netlink_unicast+0x449/0x710 [ 5041.770685][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.770685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.770685][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.770685][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.770685][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.770685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.770685][ T73] [ 5041.772472][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5041.772745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.772745][ T73] dst_init+0x84/0x4a0 [ 5041.772745][ T73] dst_alloc+0x97/0x150 [ 5041.772745][ T73] ip6_dst_alloc+0x23/0x90 [ 5041.772745][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5041.772745][ T73] ip6_pol_route+0x56f/0x840 [ 5041.772745][ T73] fib6_rule_lookup+0x456/0x630 [ 5041.772745][ T73] ip6_route_input+0x59c/0xa50 [ 5041.772745][ T73] ipv6_rcv+0x397/0x810 [ 5041.772745][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5041.772745][ T73] process_backlog+0x101/0x620 [ 5041.772745][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5041.772745][ T73] net_rx_action+0x495/0xbe0 [ 5041.772745][ T73] __do_softirq+0x1b5/0x7f6 [ 5041.772745][ T73] [ 5041.774423][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.774423][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.774423][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.774423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.774423][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5041.774423][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5041.774423][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5041.774423][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5041.774423][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5041.774423][ T73] addrconf_dad_begin+0x310/0x670 [ 5041.774423][ T73] addrconf_dad_work+0x10b/0xab0 [ 5041.774423][ T73] process_one_work+0x84d/0x18a0 [ 5041.774423][ T73] worker_thread+0x587/0xd30 [ 5041.774423][ T73] kthread+0x28a/0x350 [ 5041.774423][ T73] ret_from_fork+0x31/0x70 [ 5041.774423][ T73] ret_from_fork_asm+0x1a/0x30 [ 5041.774423][ T73] [ 5041.776348][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.776348][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.776348][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.776348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.776348][ T73] ip6_route_add+0x1c/0x140 [ 5041.776348][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5041.776348][ T73] inet6_addr_add+0x4f8/0xa40 [ 5041.776348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.776348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.776348][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.776348][ T73] netlink_unicast+0x449/0x710 [ 5041.776348][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.776348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.776348][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.776348][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.776348][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.776348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.776348][ T73] [ 5041.778374][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.778374][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.778374][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.778374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.778374][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5041.778374][ T73] ipv6_add_addr+0x411/0x2000 [ 5041.778374][ T73] inet6_addr_add+0x30e/0xa40 [ 5041.778374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.778374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.778374][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.778374][ T73] netlink_unicast+0x449/0x710 [ 5041.778374][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.778374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.778374][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.778374][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.778374][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.778374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.778374][ T73] [ 5041.780416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.780416][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.780416][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.780416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.780416][ T73] ip6_route_add+0x1c/0x140 [ 5041.780416][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5041.780416][ T73] addrconf_add_dev+0xe2/0x170 [ 5041.780416][ T73] inet6_addr_add+0x12f/0xa40 [ 5041.780416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.780416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.780416][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.780416][ T73] netlink_unicast+0x449/0x710 [ 5041.780416][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.780416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.780416][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.780416][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.780416][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.780416][ T73] [ 5041.782842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.782842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5041.782842][ T73] ipv6_find_idev+0x102/0x170 [ 5041.782842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.782842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.782842][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.782842][ T73] netlink_unicast+0x449/0x710 [ 5041.782842][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.782842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.782842][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.782842][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.782842][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.782842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.782842][ T73] [ 5041.784416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5041.784416][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5041.784416][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5041.784416][ T73] ipv6_find_idev+0x102/0x170 [ 5041.784416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.784416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.784416][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.784416][ T73] netlink_unicast+0x449/0x710 [ 5041.784416][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.784416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.784416][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.784416][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.784416][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.784416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.784416][ T73] [ 5041.786231][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5041.786560][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.786560][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5041.786560][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5041.786560][ T73] fib6_nh_init+0xa22/0x1580 [ 5041.786560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.786560][ T73] ip6_route_add+0x1c/0x140 [ 5041.786560][ T73] inet6_rtm_newroute+0x104/0x110 [ 5041.786560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.786560][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.786560][ T73] netlink_unicast+0x449/0x710 [ 5041.786560][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.786560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.786560][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.786560][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.786560][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.786560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.786560][ T73] [ 5041.788663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.788663][ T73] dst_init+0x84/0x4a0 [ 5041.788663][ T73] dst_alloc+0x97/0x150 [ 5041.788663][ T73] ip6_dst_alloc+0x23/0x90 [ 5041.788663][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5041.788663][ T73] ip6_pol_route+0x56f/0x840 [ 5041.788663][ T73] fib6_rule_lookup+0x456/0x630 [ 5041.788663][ T73] ip6_route_input+0x59c/0xa50 [ 5041.788663][ T73] ipv6_rcv+0x397/0x810 [ 5041.788663][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5041.788663][ T73] process_backlog+0x101/0x620 [ 5041.788663][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5041.788663][ T73] net_rx_action+0x495/0xbe0 [ 5041.788663][ T73] __do_softirq+0x1b5/0x7f6 [ 5041.788663][ T73] [ 5041.790474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.790474][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.790474][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.790474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.790474][ T73] ip6_route_add+0x1c/0x140 [ 5041.790474][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5041.790474][ T73] inet6_addr_add+0x4f8/0xa40 [ 5041.790474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.790474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.790474][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.790474][ T73] netlink_unicast+0x449/0x710 [ 5041.790474][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.790474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.790474][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.790474][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.790474][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.790474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.790474][ T73] [ 5041.792787][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.792787][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.792787][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.792787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.792787][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5041.792787][ T73] ipv6_add_addr+0x411/0x2000 [ 5041.792787][ T73] inet6_addr_add+0x30e/0xa40 [ 5041.792787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.792787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.792787][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.792787][ T73] netlink_unicast+0x449/0x710 [ 5041.792787][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.792787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.792787][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.792787][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.792787][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.792787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.792787][ T73] [ 5041.795105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.795105][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.795105][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.795105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.795105][ T73] ip6_route_add+0x1c/0x140 [ 5041.795105][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5041.795105][ T73] addrconf_add_dev+0xe2/0x170 [ 5041.795105][ T73] inet6_addr_add+0x12f/0xa40 [ 5041.795105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.795105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.795105][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.795105][ T73] netlink_unicast+0x449/0x710 [ 5041.795105][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.795105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.795105][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.795105][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.795105][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.795105][ T73] [ 5041.797456][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.797456][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5041.797456][ T73] ipv6_find_idev+0x102/0x170 [ 5041.797456][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.797456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.797456][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.797456][ T73] netlink_unicast+0x449/0x710 [ 5041.797456][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.797456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.797456][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.797456][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.797456][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.797456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.797456][ T73] [ 5041.799180][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5041.799180][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5041.799180][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5041.799180][ T73] ipv6_find_idev+0x102/0x170 [ 5041.799180][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.799180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.799180][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.799180][ T73] netlink_unicast+0x449/0x710 [ 5041.799180][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.799180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.799180][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.799180][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.799180][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.799180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.799180][ T73] [ 5041.801155][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5041.801445][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5041.801445][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.801445][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.801445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.801445][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5041.801445][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5041.801445][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5041.801445][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5041.801445][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5041.801445][ T73] addrconf_dad_begin+0x310/0x670 [ 5041.801445][ T73] addrconf_dad_work+0x10b/0xab0 [ 5041.801445][ T73] process_one_work+0x84d/0x18a0 [ 5041.801445][ T73] worker_thread+0x587/0xd30 [ 5041.801445][ T73] kthread+0x28a/0x350 [ 5041.801445][ T73] ret_from_fork+0x31/0x70 [ 5041.801445][ T73] ret_from_fork_asm+0x1a/0x30 [ 5041.801445][ T73] [ 5041.803707][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5041.803707][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.803707][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.803707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.803707][ T73] ip6_route_add+0x1c/0x140 [ 5041.803707][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5041.803707][ T73] inet6_addr_add+0x4f8/0xa40 [ 5041.803707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.803707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.803707][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.803707][ T73] netlink_unicast+0x449/0x710 [ 5041.803707][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.803707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.803707][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.803707][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.803707][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.803707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.803707][ T73] [ 5041.806114][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5041.806114][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.806114][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.806114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.806114][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5041.806114][ T73] ipv6_add_addr+0x411/0x2000 [ 5041.806114][ T73] inet6_addr_add+0x30e/0xa40 [ 5041.806114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.806114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.806114][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.806114][ T73] netlink_unicast+0x449/0x710 [ 5041.806114][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.806114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.806114][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.806114][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.806114][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.806114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.806114][ T73] [ 5041.808505][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5041.808505][ T73] netdev_get_by_index+0x5e/0x80 [ 5041.808505][ T73] fib6_nh_init+0x3d8/0x1580 [ 5041.808505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5041.808505][ T73] ip6_route_add+0x1c/0x140 [ 5041.808505][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5041.808505][ T73] addrconf_add_dev+0xe2/0x170 [ 5041.808505][ T73] inet6_addr_add+0x12f/0xa40 [ 5041.808505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5041.808505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.808505][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.808505][ T73] netlink_unicast+0x449/0x710 [ 5041.808505][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.808505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.808505][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.808505][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.808505][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.808505][ T73] [ 5041.810691][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5041.810691][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5041.810691][ T73] ipv6_find_idev+0x102/0x170 [ 5041.810691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.810691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.810691][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.810691][ T73] netlink_unicast+0x449/0x710 [ 5041.810691][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.810691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.810691][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.810691][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.810691][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.810691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.810691][ T73] [ 5041.812526][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5041.812526][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5041.812526][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5041.812526][ T73] ipv6_find_idev+0x102/0x170 [ 5041.812526][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5041.812526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5041.812526][ T73] netlink_rcv_skb+0x130/0x360 [ 5041.812526][ T73] netlink_unicast+0x449/0x710 [ 5041.812526][ T73] netlink_sendmsg+0x723/0xbe0 [ 5041.812526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5041.812526][ T73] ___sys_sendmsg+0xee/0x170 [ 5041.812526][ T73] __sys_sendmsg+0xcd/0x170 [ 5041.812526][ T73] do_syscall_64+0xc6/0x1e0 [ 5041.812526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5041.812526][ T73] [ 5052.054899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5052.055342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.055342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5052.055342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5052.055342][ T73] fib6_nh_init+0xa22/0x1580 [ 5052.055342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.055342][ T73] ip6_route_add+0x1c/0x140 [ 5052.055342][ T73] inet6_rtm_newroute+0x104/0x110 [ 5052.055342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.055342][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.055342][ T73] netlink_unicast+0x449/0x710 [ 5052.055342][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.055342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.055342][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.055342][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.055342][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.055342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.055342][ T73] [ 5052.057592][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.057592][ T73] dst_init+0x84/0x4a0 [ 5052.057592][ T73] dst_alloc+0x97/0x150 [ 5052.057592][ T73] ip6_dst_alloc+0x23/0x90 [ 5052.057592][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5052.057592][ T73] ip6_pol_route+0x56f/0x840 [ 5052.057592][ T73] fib6_rule_lookup+0x456/0x630 [ 5052.057592][ T73] ip6_route_input+0x59c/0xa50 [ 5052.057592][ T73] ipv6_rcv+0x397/0x810 [ 5052.057592][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5052.057592][ T73] process_backlog+0x101/0x620 [ 5052.057592][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5052.057592][ T73] net_rx_action+0x495/0xbe0 [ 5052.057592][ T73] __do_softirq+0x1b5/0x7f6 [ 5052.057592][ T73] [ 5052.059487][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.059487][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.059487][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.059487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.059487][ T73] ip6_route_add+0x1c/0x140 [ 5052.059487][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5052.059487][ T73] inet6_addr_add+0x4f8/0xa40 [ 5052.059487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.059487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.059487][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.059487][ T73] netlink_unicast+0x449/0x710 [ 5052.059487][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.059487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.059487][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.059487][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.059487][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.059487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.059487][ T73] [ 5052.061834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.061834][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.061834][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.061834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.061834][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5052.061834][ T73] ipv6_add_addr+0x411/0x2000 [ 5052.061834][ T73] inet6_addr_add+0x30e/0xa40 [ 5052.061834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.061834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.061834][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.061834][ T73] netlink_unicast+0x449/0x710 [ 5052.061834][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.061834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.061834][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.061834][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.061834][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.061834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.061834][ T73] [ 5052.064219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.064219][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.064219][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.064219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.064219][ T73] ip6_route_add+0x1c/0x140 [ 5052.064219][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5052.064219][ T73] addrconf_add_dev+0xe2/0x170 [ 5052.064219][ T73] inet6_addr_add+0x12f/0xa40 [ 5052.064219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.064219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.064219][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.064219][ T73] netlink_unicast+0x449/0x710 [ 5052.064219][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.064219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.064219][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.064219][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.064219][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.064219][ T73] [ 5052.066613][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.066613][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5052.066613][ T73] ipv6_find_idev+0x102/0x170 [ 5052.066613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.066613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.066613][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.066613][ T73] netlink_unicast+0x449/0x710 [ 5052.066613][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.066613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.066613][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.066613][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.066613][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.066613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.066613][ T73] [ 5052.068445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5052.068445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5052.068445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5052.068445][ T73] ipv6_find_idev+0x102/0x170 [ 5052.068445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.068445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.068445][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.068445][ T73] netlink_unicast+0x449/0x710 [ 5052.068445][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.068445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.068445][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.068445][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.068445][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.068445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.068445][ T73] [ 5052.070512][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5052.070822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.070822][ T73] dst_init+0x84/0x4a0 [ 5052.070822][ T73] dst_alloc+0x97/0x150 [ 5052.070822][ T73] ip6_dst_alloc+0x23/0x90 [ 5052.070822][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5052.070822][ T73] ip6_pol_route+0x56f/0x840 [ 5052.070822][ T73] fib6_rule_lookup+0x456/0x630 [ 5052.070822][ T73] ip6_route_input+0x59c/0xa50 [ 5052.070822][ T73] ipv6_rcv+0x397/0x810 [ 5052.070822][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5052.070822][ T73] process_backlog+0x101/0x620 [ 5052.070822][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5052.070822][ T73] net_rx_action+0x495/0xbe0 [ 5052.070822][ T73] __do_softirq+0x1b5/0x7f6 [ 5052.070822][ T73] [ 5052.072845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.072845][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.072845][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.072845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.072845][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5052.072845][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5052.072845][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5052.072845][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5052.072845][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5052.072845][ T73] addrconf_dad_begin+0x310/0x670 [ 5052.072845][ T73] addrconf_dad_work+0x10b/0xab0 [ 5052.072845][ T73] process_one_work+0x84d/0x18a0 [ 5052.072845][ T73] worker_thread+0x587/0xd30 [ 5052.072845][ T73] kthread+0x28a/0x350 [ 5052.072845][ T73] ret_from_fork+0x31/0x70 [ 5052.072845][ T73] ret_from_fork_asm+0x1a/0x30 [ 5052.072845][ T73] [ 5052.075179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.075179][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.075179][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.075179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.075179][ T73] ip6_route_add+0x1c/0x140 [ 5052.075179][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5052.075179][ T73] inet6_addr_add+0x4f8/0xa40 [ 5052.075179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.075179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.075179][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.075179][ T73] netlink_unicast+0x449/0x710 [ 5052.075179][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.075179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.075179][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.075179][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.075179][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.075179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.075179][ T73] [ 5052.077544][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.077544][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.077544][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.077544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.077544][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5052.077544][ T73] ipv6_add_addr+0x411/0x2000 [ 5052.077544][ T73] inet6_addr_add+0x30e/0xa40 [ 5052.077544][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.077544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.077544][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.077544][ T73] netlink_unicast+0x449/0x710 [ 5052.077544][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.077544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.077544][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.077544][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.077544][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.077544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.077544][ T73] [ 5052.079985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.079985][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.079985][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.079985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.079985][ T73] ip6_route_add+0x1c/0x140 [ 5052.079985][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5052.079985][ T73] addrconf_add_dev+0xe2/0x170 [ 5052.079985][ T73] inet6_addr_add+0x12f/0xa40 [ 5052.079985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.079985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.079985][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.079985][ T73] netlink_unicast+0x449/0x710 [ 5052.079985][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.079985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.079985][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.079985][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.079985][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.079985][ T73] [ 5052.082384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.082384][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5052.082384][ T73] ipv6_find_idev+0x102/0x170 [ 5052.082384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.082384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.082384][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.082384][ T73] netlink_unicast+0x449/0x710 [ 5052.082384][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.082384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.082384][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.082384][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.082384][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.082384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.082384][ T73] [ 5052.084167][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5052.084167][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5052.084167][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5052.084167][ T73] ipv6_find_idev+0x102/0x170 [ 5052.084167][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.084167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.084167][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.084167][ T73] netlink_unicast+0x449/0x710 [ 5052.084167][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.084167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.084167][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.084167][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.084167][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.084167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.084167][ T73] [ 5052.086231][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5052.086545][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.086545][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5052.086545][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5052.086545][ T73] fib6_nh_init+0xa22/0x1580 [ 5052.086545][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.086545][ T73] ip6_route_add+0x1c/0x140 [ 5052.086545][ T73] inet6_rtm_newroute+0x104/0x110 [ 5052.086545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.086545][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.086545][ T73] netlink_unicast+0x449/0x710 [ 5052.086545][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.086545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.086545][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.086545][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.086545][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.086545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.086545][ T73] [ 5052.089148][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.089148][ T73] dst_init+0x84/0x4a0 [ 5052.089148][ T73] dst_alloc+0x97/0x150 [ 5052.089148][ T73] ip6_dst_alloc+0x23/0x90 [ 5052.089148][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5052.089148][ T73] ip6_pol_route+0x56f/0x840 [ 5052.089148][ T73] fib6_rule_lookup+0x456/0x630 [ 5052.089148][ T73] ip6_route_input+0x59c/0xa50 [ 5052.089148][ T73] ipv6_rcv+0x397/0x810 [ 5052.089148][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5052.089148][ T73] process_backlog+0x101/0x620 [ 5052.089148][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5052.089148][ T73] net_rx_action+0x495/0xbe0 [ 5052.089148][ T73] __do_softirq+0x1b5/0x7f6 [ 5052.089148][ T73] [ 5052.091360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.091360][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.091360][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.091360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.091360][ T73] ip6_route_add+0x1c/0x140 [ 5052.091360][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5052.091360][ T73] inet6_addr_add+0x4f8/0xa40 [ 5052.091360][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.091360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.091360][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.091360][ T73] netlink_unicast+0x449/0x710 [ 5052.091360][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.091360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.091360][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.091360][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.091360][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.091360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.091360][ T73] [ 5052.094017][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.094017][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.094017][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.094017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.094017][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5052.094017][ T73] ipv6_add_addr+0x411/0x2000 [ 5052.094017][ T73] inet6_addr_add+0x30e/0xa40 [ 5052.094017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.094017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.094017][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.094017][ T73] netlink_unicast+0x449/0x710 [ 5052.094017][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.094017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.094017][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.094017][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.094017][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.094017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.094017][ T73] [ 5052.096672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.096672][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.096672][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.096672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.096672][ T73] ip6_route_add+0x1c/0x140 [ 5052.096672][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5052.096672][ T73] addrconf_add_dev+0xe2/0x170 [ 5052.096672][ T73] inet6_addr_add+0x12f/0xa40 [ 5052.096672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.096672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.096672][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.096672][ T73] netlink_unicast+0x449/0x710 [ 5052.096672][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.096672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.096672][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.096672][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.096672][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.096672][ T73] [ 5052.099308][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.099308][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5052.099308][ T73] ipv6_find_idev+0x102/0x170 [ 5052.099308][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.099308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.099308][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.099308][ T73] netlink_unicast+0x449/0x710 [ 5052.099308][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.099308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.099308][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.099308][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.099308][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.099308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.099308][ T73] [ 5052.101364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5052.101364][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5052.101364][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5052.101364][ T73] ipv6_find_idev+0x102/0x170 [ 5052.101364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.101364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.101364][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.101364][ T73] netlink_unicast+0x449/0x710 [ 5052.101364][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.101364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.101364][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.101364][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.101364][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.101364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.101364][ T73] [ 5052.103564][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5052.103953][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5052.103953][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.103953][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.103953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.103953][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5052.103953][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5052.103953][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5052.103953][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5052.103953][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5052.103953][ T73] addrconf_dad_begin+0x310/0x670 [ 5052.103953][ T73] addrconf_dad_work+0x10b/0xab0 [ 5052.103953][ T73] process_one_work+0x84d/0x18a0 [ 5052.103953][ T73] worker_thread+0x587/0xd30 [ 5052.103953][ T73] kthread+0x28a/0x350 [ 5052.103953][ T73] ret_from_fork+0x31/0x70 [ 5052.103953][ T73] ret_from_fork_asm+0x1a/0x30 [ 5052.103953][ T73] [ 5052.106434][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5052.106434][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.106434][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.106434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.106434][ T73] ip6_route_add+0x1c/0x140 [ 5052.106434][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5052.106434][ T73] inet6_addr_add+0x4f8/0xa40 [ 5052.106434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.106434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.106434][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.106434][ T73] netlink_unicast+0x449/0x710 [ 5052.106434][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.106434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.106434][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.106434][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.106434][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.106434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.106434][ T73] [ 5052.109104][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5052.109104][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.109104][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.109104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.109104][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5052.109104][ T73] ipv6_add_addr+0x411/0x2000 [ 5052.109104][ T73] inet6_addr_add+0x30e/0xa40 [ 5052.109104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.109104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.109104][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.109104][ T73] netlink_unicast+0x449/0x710 [ 5052.109104][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.109104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.109104][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.109104][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.109104][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.109104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.109104][ T73] [ 5052.111808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5052.111808][ T73] netdev_get_by_index+0x5e/0x80 [ 5052.111808][ T73] fib6_nh_init+0x3d8/0x1580 [ 5052.111808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5052.111808][ T73] ip6_route_add+0x1c/0x140 [ 5052.111808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5052.111808][ T73] addrconf_add_dev+0xe2/0x170 [ 5052.111808][ T73] inet6_addr_add+0x12f/0xa40 [ 5052.111808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.111808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.111808][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.111808][ T73] netlink_unicast+0x449/0x710 [ 5052.111808][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.111808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.111808][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.111808][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.111808][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.111808][ T73] [ 5052.114559][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5052.114559][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5052.114559][ T73] ipv6_find_idev+0x102/0x170 [ 5052.114559][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.114559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.114559][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.114559][ T73] netlink_unicast+0x449/0x710 [ 5052.114559][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.114559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.114559][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.114559][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.114559][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.114559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.114559][ T73] [ 5052.116598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5052.116598][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5052.116598][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5052.116598][ T73] ipv6_find_idev+0x102/0x170 [ 5052.116598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.116598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.116598][ T73] netlink_rcv_skb+0x130/0x360 [ 5052.116598][ T73] netlink_unicast+0x449/0x710 [ 5052.116598][ T73] netlink_sendmsg+0x723/0xbe0 [ 5052.116598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5052.116598][ T73] ___sys_sendmsg+0xee/0x170 [ 5052.116598][ T73] __sys_sendmsg+0xcd/0x170 [ 5052.116598][ T73] do_syscall_64+0xc6/0x1e0 [ 5052.116598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.116598][ T73] [ 5062.286896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5062.287285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.287285][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5062.287285][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5062.287285][ T73] fib6_nh_init+0xa22/0x1580 [ 5062.287285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.287285][ T73] ip6_route_add+0x1c/0x140 [ 5062.287285][ T73] inet6_rtm_newroute+0x104/0x110 [ 5062.287285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.287285][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.287285][ T73] netlink_unicast+0x449/0x710 [ 5062.287285][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.287285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.287285][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.287285][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.287285][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.287285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.287285][ T73] [ 5062.289170][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.289170][ T73] dst_init+0x84/0x4a0 [ 5062.289170][ T73] dst_alloc+0x97/0x150 [ 5062.289170][ T73] ip6_dst_alloc+0x23/0x90 [ 5062.289170][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5062.289170][ T73] ip6_pol_route+0x56f/0x840 [ 5062.289170][ T73] fib6_rule_lookup+0x456/0x630 [ 5062.289170][ T73] ip6_route_input+0x59c/0xa50 [ 5062.289170][ T73] ipv6_rcv+0x397/0x810 [ 5062.289170][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5062.289170][ T73] process_backlog+0x101/0x620 [ 5062.289170][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5062.289170][ T73] net_rx_action+0x495/0xbe0 [ 5062.289170][ T73] __do_softirq+0x1b5/0x7f6 [ 5062.289170][ T73] [ 5062.290800][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.290800][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.290800][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.290800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.290800][ T73] ip6_route_add+0x1c/0x140 [ 5062.290800][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5062.290800][ T73] inet6_addr_add+0x4f8/0xa40 [ 5062.290800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.290800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.290800][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.290800][ T73] netlink_unicast+0x449/0x710 [ 5062.290800][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.290800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.290800][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.290800][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.290800][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.290800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.290800][ T73] [ 5062.292785][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.292785][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.292785][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.292785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.292785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5062.292785][ T73] ipv6_add_addr+0x411/0x2000 [ 5062.292785][ T73] inet6_addr_add+0x30e/0xa40 [ 5062.292785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.292785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.292785][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.292785][ T73] netlink_unicast+0x449/0x710 [ 5062.292785][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.292785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.292785][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.292785][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.292785][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.292785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.292785][ T73] [ 5062.294768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.294768][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.294768][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.294768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.294768][ T73] ip6_route_add+0x1c/0x140 [ 5062.294768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5062.294768][ T73] addrconf_add_dev+0xe2/0x170 [ 5062.294768][ T73] inet6_addr_add+0x12f/0xa40 [ 5062.294768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.294768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.294768][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.294768][ T73] netlink_unicast+0x449/0x710 [ 5062.294768][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.294768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.294768][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.294768][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.294768][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.294768][ T73] [ 5062.296737][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.296737][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5062.296737][ T73] ipv6_find_idev+0x102/0x170 [ 5062.296737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.296737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.296737][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.296737][ T73] netlink_unicast+0x449/0x710 [ 5062.296737][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.296737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.296737][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.296737][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.296737][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.296737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.296737][ T73] [ 5062.298284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5062.298284][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5062.298284][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5062.298284][ T73] ipv6_find_idev+0x102/0x170 [ 5062.298284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.298284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.298284][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.298284][ T73] netlink_unicast+0x449/0x710 [ 5062.298284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.298284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.298284][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.298284][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.298284][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.298284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.298284][ T73] [ 5062.299966][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5062.300233][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.300233][ T73] dst_init+0x84/0x4a0 [ 5062.300233][ T73] dst_alloc+0x97/0x150 [ 5062.300233][ T73] ip6_dst_alloc+0x23/0x90 [ 5062.300233][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5062.300233][ T73] ip6_pol_route+0x56f/0x840 [ 5062.300233][ T73] fib6_rule_lookup+0x456/0x630 [ 5062.300233][ T73] ip6_route_input+0x59c/0xa50 [ 5062.300233][ T73] ipv6_rcv+0x397/0x810 [ 5062.300233][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5062.300233][ T73] process_backlog+0x101/0x620 [ 5062.300233][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5062.300233][ T73] net_rx_action+0x495/0xbe0 [ 5062.300233][ T73] __do_softirq+0x1b5/0x7f6 [ 5062.300233][ T73] [ 5062.301856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.301856][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.301856][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.301856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.301856][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5062.301856][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5062.301856][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5062.301856][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5062.301856][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5062.301856][ T73] addrconf_dad_begin+0x310/0x670 [ 5062.301856][ T73] addrconf_dad_work+0x10b/0xab0 [ 5062.301856][ T73] process_one_work+0x84d/0x18a0 [ 5062.301856][ T73] worker_thread+0x587/0xd30 [ 5062.301856][ T73] kthread+0x28a/0x350 [ 5062.301856][ T73] ret_from_fork+0x31/0x70 [ 5062.301856][ T73] ret_from_fork_asm+0x1a/0x30 [ 5062.301856][ T73] [ 5062.303759][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.303759][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.303759][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.303759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.303759][ T73] ip6_route_add+0x1c/0x140 [ 5062.303759][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5062.303759][ T73] inet6_addr_add+0x4f8/0xa40 [ 5062.303759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.303759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.303759][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.303759][ T73] netlink_unicast+0x449/0x710 [ 5062.303759][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.303759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.303759][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.303759][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.303759][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.303759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.303759][ T73] [ 5062.305752][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.305752][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.305752][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.305752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.305752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5062.305752][ T73] ipv6_add_addr+0x411/0x2000 [ 5062.305752][ T73] inet6_addr_add+0x30e/0xa40 [ 5062.305752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.305752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.305752][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.305752][ T73] netlink_unicast+0x449/0x710 [ 5062.305752][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.305752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.305752][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.305752][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.305752][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.305752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.305752][ T73] [ 5062.307750][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.307750][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.307750][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.307750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.307750][ T73] ip6_route_add+0x1c/0x140 [ 5062.307750][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5062.307750][ T73] addrconf_add_dev+0xe2/0x170 [ 5062.307750][ T73] inet6_addr_add+0x12f/0xa40 [ 5062.307750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.307750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.307750][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.307750][ T73] netlink_unicast+0x449/0x710 [ 5062.307750][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.307750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.307750][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.307750][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.307750][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.307750][ T73] [ 5062.309732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.309732][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5062.309732][ T73] ipv6_find_idev+0x102/0x170 [ 5062.309732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.309732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.309732][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.309732][ T73] netlink_unicast+0x449/0x710 [ 5062.309732][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.309732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.309732][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.309732][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.309732][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.309732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.309732][ T73] [ 5062.311296][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5062.311296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5062.311296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5062.311296][ T73] ipv6_find_idev+0x102/0x170 [ 5062.311296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.311296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.311296][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.311296][ T73] netlink_unicast+0x449/0x710 [ 5062.311296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.311296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.311296][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.311296][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.311296][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.311296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.311296][ T73] [ 5062.313098][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5062.313375][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.313375][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5062.313375][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5062.313375][ T73] fib6_nh_init+0xa22/0x1580 [ 5062.313375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.313375][ T73] ip6_route_add+0x1c/0x140 [ 5062.313375][ T73] inet6_rtm_newroute+0x104/0x110 [ 5062.313375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.313375][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.313375][ T73] netlink_unicast+0x449/0x710 [ 5062.313375][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.313375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.313375][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.313375][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.313375][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.313375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.313375][ T73] [ 5062.315584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.315584][ T73] dst_init+0x84/0x4a0 [ 5062.315584][ T73] dst_alloc+0x97/0x150 [ 5062.315584][ T73] ip6_dst_alloc+0x23/0x90 [ 5062.315584][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5062.315584][ T73] ip6_pol_route+0x56f/0x840 [ 5062.315584][ T73] fib6_rule_lookup+0x456/0x630 [ 5062.315584][ T73] ip6_route_input+0x59c/0xa50 [ 5062.315584][ T73] ipv6_rcv+0x397/0x810 [ 5062.315584][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5062.315584][ T73] process_backlog+0x101/0x620 [ 5062.315584][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5062.315584][ T73] net_rx_action+0x495/0xbe0 [ 5062.315584][ T73] __do_softirq+0x1b5/0x7f6 [ 5062.315584][ T73] [ 5062.317414][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.317414][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.317414][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.317414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.317414][ T73] ip6_route_add+0x1c/0x140 [ 5062.317414][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5062.317414][ T73] inet6_addr_add+0x4f8/0xa40 [ 5062.317414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.317414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.317414][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.317414][ T73] netlink_unicast+0x449/0x710 [ 5062.317414][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.317414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.317414][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.317414][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.317414][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.317414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.317414][ T73] [ 5062.319647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.319647][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.319647][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.319647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.319647][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5062.319647][ T73] ipv6_add_addr+0x411/0x2000 [ 5062.319647][ T73] inet6_addr_add+0x30e/0xa40 [ 5062.319647][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.319647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.319647][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.319647][ T73] netlink_unicast+0x449/0x710 [ 5062.319647][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.319647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.319647][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.319647][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.319647][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.319647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.319647][ T73] [ 5062.321785][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.321785][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.321785][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.321785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.321785][ T73] ip6_route_add+0x1c/0x140 [ 5062.321785][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5062.321785][ T73] addrconf_add_dev+0xe2/0x170 [ 5062.321785][ T73] inet6_addr_add+0x12f/0xa40 [ 5062.321785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.321785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.321785][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.321785][ T73] netlink_unicast+0x449/0x710 [ 5062.321785][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.321785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.321785][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.321785][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.321785][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.321785][ T73] [ 5062.324072][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.324072][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5062.324072][ T73] ipv6_find_idev+0x102/0x170 [ 5062.324072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.324072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.324072][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.324072][ T73] netlink_unicast+0x449/0x710 [ 5062.324072][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.324072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.324072][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.324072][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.324072][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.324072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.324072][ T73] [ 5062.325806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5062.325806][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5062.325806][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5062.325806][ T73] ipv6_find_idev+0x102/0x170 [ 5062.325806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.325806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.325806][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.325806][ T73] netlink_unicast+0x449/0x710 [ 5062.325806][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.325806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.325806][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.325806][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.325806][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.325806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.325806][ T73] [ 5062.327694][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5062.328045][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5062.328045][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.328045][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.328045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.328045][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5062.328045][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5062.328045][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5062.328045][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5062.328045][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5062.328045][ T73] addrconf_dad_begin+0x310/0x670 [ 5062.328045][ T73] addrconf_dad_work+0x10b/0xab0 [ 5062.328045][ T73] process_one_work+0x84d/0x18a0 [ 5062.328045][ T73] worker_thread+0x587/0xd30 [ 5062.328045][ T73] kthread+0x28a/0x350 [ 5062.328045][ T73] ret_from_fork+0x31/0x70 [ 5062.328045][ T73] ret_from_fork_asm+0x1a/0x30 [ 5062.328045][ T73] [ 5062.330087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5062.330087][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.330087][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.330087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.330087][ T73] ip6_route_add+0x1c/0x140 [ 5062.330087][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5062.330087][ T73] inet6_addr_add+0x4f8/0xa40 [ 5062.330087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.330087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.330087][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.330087][ T73] netlink_unicast+0x449/0x710 [ 5062.330087][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.330087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.330087][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.330087][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.330087][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.330087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.330087][ T73] [ 5062.332351][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5062.332351][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.332351][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.332351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.332351][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5062.332351][ T73] ipv6_add_addr+0x411/0x2000 [ 5062.332351][ T73] inet6_addr_add+0x30e/0xa40 [ 5062.332351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.332351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.332351][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.332351][ T73] netlink_unicast+0x449/0x710 [ 5062.332351][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.332351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.332351][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.332351][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.332351][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.332351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.332351][ T73] [ 5062.334664][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5062.334664][ T73] netdev_get_by_index+0x5e/0x80 [ 5062.334664][ T73] fib6_nh_init+0x3d8/0x1580 [ 5062.334664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5062.334664][ T73] ip6_route_add+0x1c/0x140 [ 5062.334664][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5062.334664][ T73] addrconf_add_dev+0xe2/0x170 [ 5062.334664][ T73] inet6_addr_add+0x12f/0xa40 [ 5062.334664][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.334664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.334664][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.334664][ T73] netlink_unicast+0x449/0x710 [ 5062.334664][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.334664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.334664][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.334664][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.334664][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.334664][ T73] [ 5062.336862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5062.336862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5062.336862][ T73] ipv6_find_idev+0x102/0x170 [ 5062.336862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.336862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.336862][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.336862][ T73] netlink_unicast+0x449/0x710 [ 5062.336862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.336862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.336862][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.336862][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.336862][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.336862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.336862][ T73] [ 5062.338578][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5062.338578][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5062.338578][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5062.338578][ T73] ipv6_find_idev+0x102/0x170 [ 5062.338578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.338578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.338578][ T73] netlink_rcv_skb+0x130/0x360 [ 5062.338578][ T73] netlink_unicast+0x449/0x710 [ 5062.338578][ T73] netlink_sendmsg+0x723/0xbe0 [ 5062.338578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5062.338578][ T73] ___sys_sendmsg+0xee/0x170 [ 5062.338578][ T73] __sys_sendmsg+0xcd/0x170 [ 5062.338578][ T73] do_syscall_64+0xc6/0x1e0 [ 5062.338578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.338578][ T73] [ 5072.590906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5072.591288][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.591288][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5072.591288][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5072.591288][ T73] fib6_nh_init+0xa22/0x1580 [ 5072.591288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.591288][ T73] ip6_route_add+0x1c/0x140 [ 5072.591288][ T73] inet6_rtm_newroute+0x104/0x110 [ 5072.591288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.591288][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.591288][ T73] netlink_unicast+0x449/0x710 [ 5072.591288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.591288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.591288][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.591288][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.591288][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.591288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.591288][ T73] [ 5072.593175][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.593175][ T73] dst_init+0x84/0x4a0 [ 5072.593175][ T73] dst_alloc+0x97/0x150 [ 5072.593175][ T73] ip6_dst_alloc+0x23/0x90 [ 5072.593175][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5072.593175][ T73] ip6_pol_route+0x56f/0x840 [ 5072.593175][ T73] fib6_rule_lookup+0x456/0x630 [ 5072.593175][ T73] ip6_route_input+0x59c/0xa50 [ 5072.593175][ T73] ipv6_rcv+0x397/0x810 [ 5072.593175][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5072.593175][ T73] process_backlog+0x101/0x620 [ 5072.593175][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5072.593175][ T73] net_rx_action+0x495/0xbe0 [ 5072.593175][ T73] __do_softirq+0x1b5/0x7f6 [ 5072.593175][ T73] [ 5072.594947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.594947][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.594947][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.594947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.594947][ T73] ip6_route_add+0x1c/0x140 [ 5072.594947][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5072.594947][ T73] inet6_addr_add+0x4f8/0xa40 [ 5072.594947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.594947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.594947][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.594947][ T73] netlink_unicast+0x449/0x710 [ 5072.594947][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.594947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.594947][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.594947][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.594947][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.594947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.594947][ T73] [ 5072.597103][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.597103][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.597103][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.597103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.597103][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5072.597103][ T73] ipv6_add_addr+0x411/0x2000 [ 5072.597103][ T73] inet6_addr_add+0x30e/0xa40 [ 5072.597103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.597103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.597103][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.597103][ T73] netlink_unicast+0x449/0x710 [ 5072.597103][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.597103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.597103][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.597103][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.597103][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.597103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.597103][ T73] [ 5072.599109][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.599109][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.599109][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.599109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.599109][ T73] ip6_route_add+0x1c/0x140 [ 5072.599109][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5072.599109][ T73] addrconf_add_dev+0xe2/0x170 [ 5072.599109][ T73] inet6_addr_add+0x12f/0xa40 [ 5072.599109][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.599109][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.599109][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.599109][ T73] netlink_unicast+0x449/0x710 [ 5072.599109][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.599109][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.599109][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.599109][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.599109][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.599109][ T73] [ 5072.601132][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.601132][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5072.601132][ T73] ipv6_find_idev+0x102/0x170 [ 5072.601132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.601132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.601132][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.601132][ T73] netlink_unicast+0x449/0x710 [ 5072.601132][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.601132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.601132][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.601132][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.601132][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.601132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.601132][ T73] [ 5072.602790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5072.602790][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5072.602790][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5072.602790][ T73] ipv6_find_idev+0x102/0x170 [ 5072.602790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.602790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.602790][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.602790][ T73] netlink_unicast+0x449/0x710 [ 5072.602790][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.602790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.602790][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.602790][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.602790][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.602790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.602790][ T73] [ 5072.604623][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5072.604922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.604922][ T73] dst_init+0x84/0x4a0 [ 5072.604922][ T73] dst_alloc+0x97/0x150 [ 5072.604922][ T73] ip6_dst_alloc+0x23/0x90 [ 5072.604922][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5072.604922][ T73] ip6_pol_route+0x56f/0x840 [ 5072.604922][ T73] fib6_rule_lookup+0x456/0x630 [ 5072.604922][ T73] ip6_route_input+0x59c/0xa50 [ 5072.604922][ T73] ipv6_rcv+0x397/0x810 [ 5072.604922][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5072.604922][ T73] process_backlog+0x101/0x620 [ 5072.604922][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5072.604922][ T73] net_rx_action+0x495/0xbe0 [ 5072.604922][ T73] __do_softirq+0x1b5/0x7f6 [ 5072.604922][ T73] [ 5072.606703][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.606703][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.606703][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.606703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.606703][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5072.606703][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5072.606703][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5072.606703][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5072.606703][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5072.606703][ T73] addrconf_dad_begin+0x310/0x670 [ 5072.606703][ T73] addrconf_dad_work+0x10b/0xab0 [ 5072.606703][ T73] process_one_work+0x84d/0x18a0 [ 5072.606703][ T73] worker_thread+0x587/0xd30 [ 5072.606703][ T73] kthread+0x28a/0x350 [ 5072.606703][ T73] ret_from_fork+0x31/0x70 [ 5072.606703][ T73] ret_from_fork_asm+0x1a/0x30 [ 5072.606703][ T73] [ 5072.608788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.608788][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.608788][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.608788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.608788][ T73] ip6_route_add+0x1c/0x140 [ 5072.608788][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5072.608788][ T73] inet6_addr_add+0x4f8/0xa40 [ 5072.608788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.608788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.608788][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.608788][ T73] netlink_unicast+0x449/0x710 [ 5072.608788][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.608788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.608788][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.608788][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.608788][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.608788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.608788][ T73] [ 5072.610960][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.610960][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.610960][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.610960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.610960][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5072.610960][ T73] ipv6_add_addr+0x411/0x2000 [ 5072.610960][ T73] inet6_addr_add+0x30e/0xa40 [ 5072.610960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.610960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.610960][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.610960][ T73] netlink_unicast+0x449/0x710 [ 5072.610960][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.610960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.610960][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.610960][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.610960][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.610960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.610960][ T73] [ 5072.613131][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.613131][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.613131][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.613131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.613131][ T73] ip6_route_add+0x1c/0x140 [ 5072.613131][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5072.613131][ T73] addrconf_add_dev+0xe2/0x170 [ 5072.613131][ T73] inet6_addr_add+0x12f/0xa40 [ 5072.613131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.613131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.613131][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.613131][ T73] netlink_unicast+0x449/0x710 [ 5072.613131][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.613131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.613131][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.613131][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.613131][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.613131][ T73] [ 5072.615250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.615250][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5072.615250][ T73] ipv6_find_idev+0x102/0x170 [ 5072.615250][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.615250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.615250][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.615250][ T73] netlink_unicast+0x449/0x710 [ 5072.615250][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.615250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.615250][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.615250][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.615250][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.615250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.615250][ T73] [ 5072.616923][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5072.616923][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5072.616923][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5072.616923][ T73] ipv6_find_idev+0x102/0x170 [ 5072.616923][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.616923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.616923][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.616923][ T73] netlink_unicast+0x449/0x710 [ 5072.616923][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.616923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.616923][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.616923][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.616923][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.616923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.616923][ T73] [ 5072.618872][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5072.619168][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.619168][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5072.619168][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5072.619168][ T73] fib6_nh_init+0xa22/0x1580 [ 5072.619168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.619168][ T73] ip6_route_add+0x1c/0x140 [ 5072.619168][ T73] inet6_rtm_newroute+0x104/0x110 [ 5072.619168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.619168][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.619168][ T73] netlink_unicast+0x449/0x710 [ 5072.619168][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.619168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.619168][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.619168][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.619168][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.619168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.619168][ T73] [ 5072.621508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.621508][ T73] dst_init+0x84/0x4a0 [ 5072.621508][ T73] dst_alloc+0x97/0x150 [ 5072.621508][ T73] ip6_dst_alloc+0x23/0x90 [ 5072.621508][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5072.621508][ T73] ip6_pol_route+0x56f/0x840 [ 5072.621508][ T73] fib6_rule_lookup+0x456/0x630 [ 5072.621508][ T73] ip6_route_input+0x59c/0xa50 [ 5072.621508][ T73] ipv6_rcv+0x397/0x810 [ 5072.621508][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5072.621508][ T73] process_backlog+0x101/0x620 [ 5072.621508][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5072.621508][ T73] net_rx_action+0x495/0xbe0 [ 5072.621508][ T73] __do_softirq+0x1b5/0x7f6 [ 5072.621508][ T73] [ 5072.623450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.623450][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.623450][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.623450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.623450][ T73] ip6_route_add+0x1c/0x140 [ 5072.623450][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5072.623450][ T73] inet6_addr_add+0x4f8/0xa40 [ 5072.623450][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.623450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.623450][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.623450][ T73] netlink_unicast+0x449/0x710 [ 5072.623450][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.623450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.623450][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.623450][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.623450][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.623450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.623450][ T73] [ 5072.625841][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.625841][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.625841][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.625841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.625841][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5072.625841][ T73] ipv6_add_addr+0x411/0x2000 [ 5072.625841][ T73] inet6_addr_add+0x30e/0xa40 [ 5072.625841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.625841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.625841][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.625841][ T73] netlink_unicast+0x449/0x710 [ 5072.625841][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.625841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.625841][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.625841][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.625841][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.625841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.625841][ T73] [ 5072.628180][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.628180][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.628180][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.628180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.628180][ T73] ip6_route_add+0x1c/0x140 [ 5072.628180][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5072.628180][ T73] addrconf_add_dev+0xe2/0x170 [ 5072.628180][ T73] inet6_addr_add+0x12f/0xa40 [ 5072.628180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.628180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.628180][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.628180][ T73] netlink_unicast+0x449/0x710 [ 5072.628180][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.628180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.628180][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.628180][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.628180][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.628180][ T73] [ 5072.630589][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.630589][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5072.630589][ T73] ipv6_find_idev+0x102/0x170 [ 5072.630589][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.630589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.630589][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.630589][ T73] netlink_unicast+0x449/0x710 [ 5072.630589][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.630589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.630589][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.630589][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.630589][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.630589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.630589][ T73] [ 5072.632406][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5072.632406][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5072.632406][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5072.632406][ T73] ipv6_find_idev+0x102/0x170 [ 5072.632406][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.632406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.632406][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.632406][ T73] netlink_unicast+0x449/0x710 [ 5072.632406][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.632406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.632406][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.632406][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.632406][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.632406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.632406][ T73] [ 5072.634322][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5072.634662][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5072.634662][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.634662][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.634662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.634662][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5072.634662][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5072.634662][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5072.634662][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5072.634662][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5072.634662][ T73] addrconf_dad_begin+0x310/0x670 [ 5072.634662][ T73] addrconf_dad_work+0x10b/0xab0 [ 5072.634662][ T73] process_one_work+0x84d/0x18a0 [ 5072.634662][ T73] worker_thread+0x587/0xd30 [ 5072.634662][ T73] kthread+0x28a/0x350 [ 5072.634662][ T73] ret_from_fork+0x31/0x70 [ 5072.634662][ T73] ret_from_fork_asm+0x1a/0x30 [ 5072.634662][ T73] [ 5072.636703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5072.636703][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.636703][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.636703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.636703][ T73] ip6_route_add+0x1c/0x140 [ 5072.636703][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5072.636703][ T73] inet6_addr_add+0x4f8/0xa40 [ 5072.636703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.636703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.636703][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.636703][ T73] netlink_unicast+0x449/0x710 [ 5072.636703][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.636703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.636703][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.636703][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.636703][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.636703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.636703][ T73] [ 5072.638951][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5072.638951][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.638951][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.638951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.638951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5072.638951][ T73] ipv6_add_addr+0x411/0x2000 [ 5072.638951][ T73] inet6_addr_add+0x30e/0xa40 [ 5072.638951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.638951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.638951][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.638951][ T73] netlink_unicast+0x449/0x710 [ 5072.638951][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.638951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.638951][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.638951][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.638951][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.638951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.638951][ T73] [ 5072.641243][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5072.641243][ T73] netdev_get_by_index+0x5e/0x80 [ 5072.641243][ T73] fib6_nh_init+0x3d8/0x1580 [ 5072.641243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5072.641243][ T73] ip6_route_add+0x1c/0x140 [ 5072.641243][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5072.641243][ T73] addrconf_add_dev+0xe2/0x170 [ 5072.641243][ T73] inet6_addr_add+0x12f/0xa40 [ 5072.641243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5072.641243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.641243][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.641243][ T73] netlink_unicast+0x449/0x710 [ 5072.641243][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.641243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.641243][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.641243][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.641243][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.641243][ T73] [ 5072.643454][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5072.643454][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5072.643454][ T73] ipv6_find_idev+0x102/0x170 [ 5072.643454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.643454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.643454][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.643454][ T73] netlink_unicast+0x449/0x710 [ 5072.643454][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.643454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.643454][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.643454][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.643454][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.643454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.643454][ T73] [ 5072.645703][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5072.645703][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5072.645703][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5072.645703][ T73] ipv6_find_idev+0x102/0x170 [ 5072.645703][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5072.645703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5072.645703][ T73] netlink_rcv_skb+0x130/0x360 [ 5072.645703][ T73] netlink_unicast+0x449/0x710 [ 5072.645703][ T73] netlink_sendmsg+0x723/0xbe0 [ 5072.645703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5072.645703][ T73] ___sys_sendmsg+0xee/0x170 [ 5072.645703][ T73] __sys_sendmsg+0xcd/0x170 [ 5072.645703][ T73] do_syscall_64+0xc6/0x1e0 [ 5072.645703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5072.645703][ T73] [ 5082.902888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5082.903300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.903300][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5082.903300][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5082.903300][ T73] fib6_nh_init+0xa22/0x1580 [ 5082.903300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.903300][ T73] ip6_route_add+0x1c/0x140 [ 5082.903300][ T73] inet6_rtm_newroute+0x104/0x110 [ 5082.903300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.903300][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.903300][ T73] netlink_unicast+0x449/0x710 [ 5082.903300][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.903300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.903300][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.903300][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.903300][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.903300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.903300][ T73] [ 5082.905189][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.905189][ T73] dst_init+0x84/0x4a0 [ 5082.905189][ T73] dst_alloc+0x97/0x150 [ 5082.905189][ T73] ip6_dst_alloc+0x23/0x90 [ 5082.905189][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5082.905189][ T73] ip6_pol_route+0x56f/0x840 [ 5082.905189][ T73] fib6_rule_lookup+0x456/0x630 [ 5082.905189][ T73] ip6_route_input+0x59c/0xa50 [ 5082.905189][ T73] ipv6_rcv+0x397/0x810 [ 5082.905189][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5082.905189][ T73] process_backlog+0x101/0x620 [ 5082.905189][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5082.905189][ T73] net_rx_action+0x495/0xbe0 [ 5082.905189][ T73] __do_softirq+0x1b5/0x7f6 [ 5082.905189][ T73] [ 5082.906833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.906833][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.906833][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.906833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.906833][ T73] ip6_route_add+0x1c/0x140 [ 5082.906833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5082.906833][ T73] inet6_addr_add+0x4f8/0xa40 [ 5082.906833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.906833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.906833][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.906833][ T73] netlink_unicast+0x449/0x710 [ 5082.906833][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.906833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.906833][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.906833][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.906833][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.906833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.906833][ T73] [ 5082.909239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.909239][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.909239][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.909239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.909239][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5082.909239][ T73] ipv6_add_addr+0x411/0x2000 [ 5082.909239][ T73] inet6_addr_add+0x30e/0xa40 [ 5082.909239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.909239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.909239][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.909239][ T73] netlink_unicast+0x449/0x710 [ 5082.909239][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.909239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.909239][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.909239][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.909239][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.909239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.909239][ T73] [ 5082.911244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.911244][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.911244][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.911244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.911244][ T73] ip6_route_add+0x1c/0x140 [ 5082.911244][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5082.911244][ T73] addrconf_add_dev+0xe2/0x170 [ 5082.911244][ T73] inet6_addr_add+0x12f/0xa40 [ 5082.911244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.911244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.911244][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.911244][ T73] netlink_unicast+0x449/0x710 [ 5082.911244][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.911244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.911244][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.911244][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.911244][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.911244][ T73] [ 5082.913217][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.913217][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5082.913217][ T73] ipv6_find_idev+0x102/0x170 [ 5082.913217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.913217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.913217][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.913217][ T73] netlink_unicast+0x449/0x710 [ 5082.913217][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.913217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.913217][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.913217][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.913217][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.913217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.913217][ T73] [ 5082.914788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5082.914788][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5082.914788][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5082.914788][ T73] ipv6_find_idev+0x102/0x170 [ 5082.914788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.914788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.914788][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.914788][ T73] netlink_unicast+0x449/0x710 [ 5082.914788][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.914788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.914788][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.914788][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.914788][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.914788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.914788][ T73] [ 5082.916504][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5082.916789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.916789][ T73] dst_init+0x84/0x4a0 [ 5082.916789][ T73] dst_alloc+0x97/0x150 [ 5082.916789][ T73] ip6_dst_alloc+0x23/0x90 [ 5082.916789][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5082.916789][ T73] ip6_pol_route+0x56f/0x840 [ 5082.916789][ T73] fib6_rule_lookup+0x456/0x630 [ 5082.916789][ T73] ip6_route_input+0x59c/0xa50 [ 5082.916789][ T73] ipv6_rcv+0x397/0x810 [ 5082.916789][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5082.916789][ T73] process_backlog+0x101/0x620 [ 5082.916789][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5082.916789][ T73] net_rx_action+0x495/0xbe0 [ 5082.916789][ T73] __do_softirq+0x1b5/0x7f6 [ 5082.916789][ T73] [ 5082.918447][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.918447][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.918447][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.918447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.918447][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5082.918447][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5082.918447][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5082.918447][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5082.918447][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5082.918447][ T73] addrconf_dad_begin+0x310/0x670 [ 5082.918447][ T73] addrconf_dad_work+0x10b/0xab0 [ 5082.918447][ T73] process_one_work+0x84d/0x18a0 [ 5082.918447][ T73] worker_thread+0x587/0xd30 [ 5082.918447][ T73] kthread+0x28a/0x350 [ 5082.918447][ T73] ret_from_fork+0x31/0x70 [ 5082.918447][ T73] ret_from_fork_asm+0x1a/0x30 [ 5082.918447][ T73] [ 5082.920371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.920371][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.920371][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.920371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.920371][ T73] ip6_route_add+0x1c/0x140 [ 5082.920371][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5082.920371][ T73] inet6_addr_add+0x4f8/0xa40 [ 5082.920371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.920371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.920371][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.920371][ T73] netlink_unicast+0x449/0x710 [ 5082.920371][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.920371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.920371][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.920371][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.920371][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.920371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.920371][ T73] [ 5082.922384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.922384][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.922384][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.922384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.922384][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5082.922384][ T73] ipv6_add_addr+0x411/0x2000 [ 5082.922384][ T73] inet6_addr_add+0x30e/0xa40 [ 5082.922384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.922384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.922384][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.922384][ T73] netlink_unicast+0x449/0x710 [ 5082.922384][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.922384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.922384][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.922384][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.922384][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.922384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.922384][ T73] [ 5082.924396][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.924396][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.924396][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.924396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.924396][ T73] ip6_route_add+0x1c/0x140 [ 5082.924396][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5082.924396][ T73] addrconf_add_dev+0xe2/0x170 [ 5082.924396][ T73] inet6_addr_add+0x12f/0xa40 [ 5082.924396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.924396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.924396][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.924396][ T73] netlink_unicast+0x449/0x710 [ 5082.924396][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.924396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.924396][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.924396][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.924396][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.924396][ T73] [ 5082.926374][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.926374][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5082.926374][ T73] ipv6_find_idev+0x102/0x170 [ 5082.926374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.926374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.926374][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.926374][ T73] netlink_unicast+0x449/0x710 [ 5082.926374][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.926374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.926374][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.926374][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.926374][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.926374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.926374][ T73] [ 5082.927924][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5082.927924][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5082.927924][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5082.927924][ T73] ipv6_find_idev+0x102/0x170 [ 5082.927924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.927924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.927924][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.927924][ T73] netlink_unicast+0x449/0x710 [ 5082.927924][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.927924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.927924][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.927924][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.927924][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.927924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.927924][ T73] [ 5082.929743][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5082.930024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.930024][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5082.930024][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5082.930024][ T73] fib6_nh_init+0xa22/0x1580 [ 5082.930024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.930024][ T73] ip6_route_add+0x1c/0x140 [ 5082.930024][ T73] inet6_rtm_newroute+0x104/0x110 [ 5082.930024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.930024][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.930024][ T73] netlink_unicast+0x449/0x710 [ 5082.930024][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.930024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.930024][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.930024][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.930024][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.930024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.930024][ T73] [ 5082.932225][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.932225][ T73] dst_init+0x84/0x4a0 [ 5082.932225][ T73] dst_alloc+0x97/0x150 [ 5082.932225][ T73] ip6_dst_alloc+0x23/0x90 [ 5082.932225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5082.932225][ T73] ip6_pol_route+0x56f/0x840 [ 5082.932225][ T73] fib6_rule_lookup+0x456/0x630 [ 5082.932225][ T73] ip6_route_input+0x59c/0xa50 [ 5082.932225][ T73] ipv6_rcv+0x397/0x810 [ 5082.932225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5082.932225][ T73] process_backlog+0x101/0x620 [ 5082.932225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5082.932225][ T73] net_rx_action+0x495/0xbe0 [ 5082.932225][ T73] __do_softirq+0x1b5/0x7f6 [ 5082.932225][ T73] [ 5082.934056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.934056][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.934056][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.934056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.934056][ T73] ip6_route_add+0x1c/0x140 [ 5082.934056][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5082.934056][ T73] inet6_addr_add+0x4f8/0xa40 [ 5082.934056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.934056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.934056][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.934056][ T73] netlink_unicast+0x449/0x710 [ 5082.934056][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.934056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.934056][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.934056][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.934056][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.934056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.934056][ T73] [ 5082.936306][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.936306][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.936306][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.936306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.936306][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5082.936306][ T73] ipv6_add_addr+0x411/0x2000 [ 5082.936306][ T73] inet6_addr_add+0x30e/0xa40 [ 5082.936306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.936306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.936306][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.936306][ T73] netlink_unicast+0x449/0x710 [ 5082.936306][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.936306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.936306][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.936306][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.936306][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.936306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.936306][ T73] [ 5082.938557][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.938557][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.938557][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.938557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.938557][ T73] ip6_route_add+0x1c/0x140 [ 5082.938557][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5082.938557][ T73] addrconf_add_dev+0xe2/0x170 [ 5082.938557][ T73] inet6_addr_add+0x12f/0xa40 [ 5082.938557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.938557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.938557][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.938557][ T73] netlink_unicast+0x449/0x710 [ 5082.938557][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.938557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.938557][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.938557][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.938557][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.938557][ T73] [ 5082.940829][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.940829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5082.940829][ T73] ipv6_find_idev+0x102/0x170 [ 5082.940829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.940829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.940829][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.940829][ T73] netlink_unicast+0x449/0x710 [ 5082.940829][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.940829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.940829][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.940829][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.940829][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.940829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.940829][ T73] [ 5082.942494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5082.942494][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5082.942494][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5082.942494][ T73] ipv6_find_idev+0x102/0x170 [ 5082.942494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.942494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.942494][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.942494][ T73] netlink_unicast+0x449/0x710 [ 5082.942494][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.942494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.942494][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.942494][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.942494][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.942494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.942494][ T73] [ 5082.944446][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5082.944718][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5082.944718][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.944718][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.944718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.944718][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5082.944718][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5082.944718][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5082.944718][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5082.944718][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5082.944718][ T73] addrconf_dad_begin+0x310/0x670 [ 5082.944718][ T73] addrconf_dad_work+0x10b/0xab0 [ 5082.944718][ T73] process_one_work+0x84d/0x18a0 [ 5082.944718][ T73] worker_thread+0x587/0xd30 [ 5082.944718][ T73] kthread+0x28a/0x350 [ 5082.944718][ T73] ret_from_fork+0x31/0x70 [ 5082.944718][ T73] ret_from_fork_asm+0x1a/0x30 [ 5082.944718][ T73] [ 5082.946877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5082.946877][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.946877][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.946877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.946877][ T73] ip6_route_add+0x1c/0x140 [ 5082.946877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5082.946877][ T73] inet6_addr_add+0x4f8/0xa40 [ 5082.946877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.946877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.946877][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.946877][ T73] netlink_unicast+0x449/0x710 [ 5082.946877][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.946877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.946877][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.946877][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.946877][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.946877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.946877][ T73] [ 5082.949133][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5082.949133][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.949133][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.949133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.949133][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5082.949133][ T73] ipv6_add_addr+0x411/0x2000 [ 5082.949133][ T73] inet6_addr_add+0x30e/0xa40 [ 5082.949133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.949133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.949133][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.949133][ T73] netlink_unicast+0x449/0x710 [ 5082.949133][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.949133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.949133][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.949133][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.949133][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.949133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.949133][ T73] [ 5082.951377][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5082.951377][ T73] netdev_get_by_index+0x5e/0x80 [ 5082.951377][ T73] fib6_nh_init+0x3d8/0x1580 [ 5082.951377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5082.951377][ T73] ip6_route_add+0x1c/0x140 [ 5082.951377][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5082.951377][ T73] addrconf_add_dev+0xe2/0x170 [ 5082.951377][ T73] inet6_addr_add+0x12f/0xa40 [ 5082.951377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5082.951377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.951377][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.951377][ T73] netlink_unicast+0x449/0x710 [ 5082.951377][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.951377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.951377][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.951377][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.951377][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.951377][ T73] [ 5082.953588][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5082.953588][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5082.953588][ T73] ipv6_find_idev+0x102/0x170 [ 5082.953588][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.953588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.953588][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.953588][ T73] netlink_unicast+0x449/0x710 [ 5082.953588][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.953588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.953588][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.953588][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.953588][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.953588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.953588][ T73] [ 5082.955311][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5082.955311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5082.955311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5082.955311][ T73] ipv6_find_idev+0x102/0x170 [ 5082.955311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5082.955311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5082.955311][ T73] netlink_rcv_skb+0x130/0x360 [ 5082.955311][ T73] netlink_unicast+0x449/0x710 [ 5082.955311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5082.955311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5082.955311][ T73] ___sys_sendmsg+0xee/0x170 [ 5082.955311][ T73] __sys_sendmsg+0xcd/0x170 [ 5082.955311][ T73] do_syscall_64+0xc6/0x1e0 [ 5082.955311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5082.955311][ T73] [ 5093.206927][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5093.207315][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.207315][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5093.207315][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5093.207315][ T73] fib6_nh_init+0xa22/0x1580 [ 5093.207315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.207315][ T73] ip6_route_add+0x1c/0x140 [ 5093.207315][ T73] inet6_rtm_newroute+0x104/0x110 [ 5093.207315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.207315][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.207315][ T73] netlink_unicast+0x449/0x710 [ 5093.207315][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.207315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.207315][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.207315][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.207315][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.207315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.207315][ T73] [ 5093.209195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.209195][ T73] dst_init+0x84/0x4a0 [ 5093.209195][ T73] dst_alloc+0x97/0x150 [ 5093.209195][ T73] ip6_dst_alloc+0x23/0x90 [ 5093.209195][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5093.209195][ T73] ip6_pol_route+0x56f/0x840 [ 5093.209195][ T73] fib6_rule_lookup+0x456/0x630 [ 5093.209195][ T73] ip6_route_input+0x59c/0xa50 [ 5093.209195][ T73] ipv6_rcv+0x397/0x810 [ 5093.209195][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5093.209195][ T73] process_backlog+0x101/0x620 [ 5093.209195][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5093.209195][ T73] net_rx_action+0x495/0xbe0 [ 5093.209195][ T73] __do_softirq+0x1b5/0x7f6 [ 5093.209195][ T73] [ 5093.211014][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.211014][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.211014][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.211014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.211014][ T73] ip6_route_add+0x1c/0x140 [ 5093.211014][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5093.211014][ T73] inet6_addr_add+0x4f8/0xa40 [ 5093.211014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.211014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.211014][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.211014][ T73] netlink_unicast+0x449/0x710 [ 5093.211014][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.211014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.211014][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.211014][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.211014][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.211014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.211014][ T73] [ 5093.213048][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.213048][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.213048][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.213048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.213048][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5093.213048][ T73] ipv6_add_addr+0x411/0x2000 [ 5093.213048][ T73] inet6_addr_add+0x30e/0xa40 [ 5093.213048][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.213048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.213048][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.213048][ T73] netlink_unicast+0x449/0x710 [ 5093.213048][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.213048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.213048][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.213048][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.213048][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.213048][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.213048][ T73] [ 5093.215044][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.215044][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.215044][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.215044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.215044][ T73] ip6_route_add+0x1c/0x140 [ 5093.215044][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5093.215044][ T73] addrconf_add_dev+0xe2/0x170 [ 5093.215044][ T73] inet6_addr_add+0x12f/0xa40 [ 5093.215044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.215044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.215044][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.215044][ T73] netlink_unicast+0x449/0x710 [ 5093.215044][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.215044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.215044][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.215044][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.215044][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.215044][ T73] [ 5093.217027][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.217027][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5093.217027][ T73] ipv6_find_idev+0x102/0x170 [ 5093.217027][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.217027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.217027][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.217027][ T73] netlink_unicast+0x449/0x710 [ 5093.217027][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.217027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.217027][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.217027][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.217027][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.217027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.217027][ T73] [ 5093.218627][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5093.218627][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5093.218627][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5093.218627][ T73] ipv6_find_idev+0x102/0x170 [ 5093.218627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.218627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.218627][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.218627][ T73] netlink_unicast+0x449/0x710 [ 5093.218627][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.218627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.218627][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.218627][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.218627][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.218627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.218627][ T73] [ 5093.220338][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5093.220613][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.220613][ T73] dst_init+0x84/0x4a0 [ 5093.220613][ T73] dst_alloc+0x97/0x150 [ 5093.220613][ T73] ip6_dst_alloc+0x23/0x90 [ 5093.220613][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5093.220613][ T73] ip6_pol_route+0x56f/0x840 [ 5093.220613][ T73] fib6_rule_lookup+0x456/0x630 [ 5093.220613][ T73] ip6_route_input+0x59c/0xa50 [ 5093.220613][ T73] ipv6_rcv+0x397/0x810 [ 5093.220613][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5093.220613][ T73] process_backlog+0x101/0x620 [ 5093.220613][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5093.220613][ T73] net_rx_action+0x495/0xbe0 [ 5093.220613][ T73] __do_softirq+0x1b5/0x7f6 [ 5093.220613][ T73] [ 5093.222271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.222271][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.222271][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.222271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.222271][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5093.222271][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5093.222271][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5093.222271][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5093.222271][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5093.222271][ T73] addrconf_dad_begin+0x310/0x670 [ 5093.222271][ T73] addrconf_dad_work+0x10b/0xab0 [ 5093.222271][ T73] process_one_work+0x84d/0x18a0 [ 5093.222271][ T73] worker_thread+0x587/0xd30 [ 5093.222271][ T73] kthread+0x28a/0x350 [ 5093.222271][ T73] ret_from_fork+0x31/0x70 [ 5093.222271][ T73] ret_from_fork_asm+0x1a/0x30 [ 5093.222271][ T73] [ 5093.224290][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.224290][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.224290][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.224290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.224290][ T73] ip6_route_add+0x1c/0x140 [ 5093.224290][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5093.224290][ T73] inet6_addr_add+0x4f8/0xa40 [ 5093.224290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.224290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.224290][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.224290][ T73] netlink_unicast+0x449/0x710 [ 5093.224290][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.224290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.224290][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.224290][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.224290][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.224290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.224290][ T73] [ 5093.226679][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.226679][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.226679][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.226679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.226679][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5093.226679][ T73] ipv6_add_addr+0x411/0x2000 [ 5093.226679][ T73] inet6_addr_add+0x30e/0xa40 [ 5093.226679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.226679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.226679][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.226679][ T73] netlink_unicast+0x449/0x710 [ 5093.226679][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.226679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.226679][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.226679][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.226679][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.226679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.226679][ T73] [ 5093.228696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.228696][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.228696][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.228696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.228696][ T73] ip6_route_add+0x1c/0x140 [ 5093.228696][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5093.228696][ T73] addrconf_add_dev+0xe2/0x170 [ 5093.228696][ T73] inet6_addr_add+0x12f/0xa40 [ 5093.228696][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.228696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.228696][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.228696][ T73] netlink_unicast+0x449/0x710 [ 5093.228696][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.228696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.228696][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.228696][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.228696][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.228696][ T73] [ 5093.230658][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.230658][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5093.230658][ T73] ipv6_find_idev+0x102/0x170 [ 5093.230658][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.230658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.230658][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.230658][ T73] netlink_unicast+0x449/0x710 [ 5093.230658][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.230658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.230658][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.230658][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.230658][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.230658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.230658][ T73] [ 5093.232197][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5093.232197][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5093.232197][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5093.232197][ T73] ipv6_find_idev+0x102/0x170 [ 5093.232197][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.232197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.232197][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.232197][ T73] netlink_unicast+0x449/0x710 [ 5093.232197][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.232197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.232197][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.232197][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.232197][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.232197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.232197][ T73] [ 5093.234004][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5093.234271][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.234271][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5093.234271][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5093.234271][ T73] fib6_nh_init+0xa22/0x1580 [ 5093.234271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.234271][ T73] ip6_route_add+0x1c/0x140 [ 5093.234271][ T73] inet6_rtm_newroute+0x104/0x110 [ 5093.234271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.234271][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.234271][ T73] netlink_unicast+0x449/0x710 [ 5093.234271][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.234271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.234271][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.234271][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.234271][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.234271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.234271][ T73] [ 5093.236381][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.236381][ T73] dst_init+0x84/0x4a0 [ 5093.236381][ T73] dst_alloc+0x97/0x150 [ 5093.236381][ T73] ip6_dst_alloc+0x23/0x90 [ 5093.236381][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5093.236381][ T73] ip6_pol_route+0x56f/0x840 [ 5093.236381][ T73] fib6_rule_lookup+0x456/0x630 [ 5093.236381][ T73] ip6_route_input+0x59c/0xa50 [ 5093.236381][ T73] ipv6_rcv+0x397/0x810 [ 5093.236381][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5093.236381][ T73] process_backlog+0x101/0x620 [ 5093.236381][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5093.236381][ T73] net_rx_action+0x495/0xbe0 [ 5093.236381][ T73] __do_softirq+0x1b5/0x7f6 [ 5093.236381][ T73] [ 5093.238209][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.238209][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.238209][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.238209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.238209][ T73] ip6_route_add+0x1c/0x140 [ 5093.238209][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5093.238209][ T73] inet6_addr_add+0x4f8/0xa40 [ 5093.238209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.238209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.238209][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.238209][ T73] netlink_unicast+0x449/0x710 [ 5093.238209][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.238209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.238209][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.238209][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.238209][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.238209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.238209][ T73] [ 5093.240514][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.240514][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.240514][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.240514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.240514][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5093.240514][ T73] ipv6_add_addr+0x411/0x2000 [ 5093.240514][ T73] inet6_addr_add+0x30e/0xa40 [ 5093.240514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.240514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.240514][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.240514][ T73] netlink_unicast+0x449/0x710 [ 5093.240514][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.240514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.240514][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.240514][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.240514][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.240514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.240514][ T73] [ 5093.242778][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.242778][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.242778][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.242778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.242778][ T73] ip6_route_add+0x1c/0x140 [ 5093.242778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5093.242778][ T73] addrconf_add_dev+0xe2/0x170 [ 5093.242778][ T73] inet6_addr_add+0x12f/0xa40 [ 5093.242778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.242778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.242778][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.242778][ T73] netlink_unicast+0x449/0x710 [ 5093.242778][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.242778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.242778][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.242778][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.242778][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.242778][ T73] [ 5093.244929][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.244929][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5093.244929][ T73] ipv6_find_idev+0x102/0x170 [ 5093.244929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.244929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.244929][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.244929][ T73] netlink_unicast+0x449/0x710 [ 5093.244929][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.244929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.244929][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.244929][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.244929][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.244929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.244929][ T73] [ 5093.246659][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5093.246659][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5093.246659][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5093.246659][ T73] ipv6_find_idev+0x102/0x170 [ 5093.246659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.246659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.246659][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.246659][ T73] netlink_unicast+0x449/0x710 [ 5093.246659][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.246659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.246659][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.246659][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.246659][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.246659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.246659][ T73] [ 5093.248668][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5093.249374][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5093.249374][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.249374][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.249374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.249374][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5093.249374][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5093.249374][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5093.249374][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5093.249374][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5093.249374][ T73] addrconf_dad_begin+0x310/0x670 [ 5093.249374][ T73] addrconf_dad_work+0x10b/0xab0 [ 5093.249374][ T73] process_one_work+0x84d/0x18a0 [ 5093.249374][ T73] worker_thread+0x587/0xd30 [ 5093.249374][ T73] kthread+0x28a/0x350 [ 5093.249374][ T73] ret_from_fork+0x31/0x70 [ 5093.249374][ T73] ret_from_fork_asm+0x1a/0x30 [ 5093.249374][ T73] [ 5093.251296][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5093.251296][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.251296][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.251296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.251296][ T73] ip6_route_add+0x1c/0x140 [ 5093.251296][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5093.251296][ T73] inet6_addr_add+0x4f8/0xa40 [ 5093.251296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.251296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.251296][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.251296][ T73] netlink_unicast+0x449/0x710 [ 5093.251296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.251296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.251296][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.251296][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.251296][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.251296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.251296][ T73] [ 5093.253418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5093.253418][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.253418][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.253418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.253418][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5093.253418][ T73] ipv6_add_addr+0x411/0x2000 [ 5093.253418][ T73] inet6_addr_add+0x30e/0xa40 [ 5093.253418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.253418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.253418][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.253418][ T73] netlink_unicast+0x449/0x710 [ 5093.253418][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.253418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.253418][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.253418][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.253418][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.253418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.253418][ T73] [ 5093.255654][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5093.255654][ T73] netdev_get_by_index+0x5e/0x80 [ 5093.255654][ T73] fib6_nh_init+0x3d8/0x1580 [ 5093.255654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5093.255654][ T73] ip6_route_add+0x1c/0x140 [ 5093.255654][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5093.255654][ T73] addrconf_add_dev+0xe2/0x170 [ 5093.255654][ T73] inet6_addr_add+0x12f/0xa40 [ 5093.255654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.255654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.255654][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.255654][ T73] netlink_unicast+0x449/0x710 [ 5093.255654][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.255654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.255654][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.255654][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.255654][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.255654][ T73] [ 5093.257793][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5093.257793][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5093.257793][ T73] ipv6_find_idev+0x102/0x170 [ 5093.257793][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.257793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.257793][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.257793][ T73] netlink_unicast+0x449/0x710 [ 5093.257793][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.257793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.257793][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.257793][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.257793][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.257793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.257793][ T73] [ 5093.259511][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5093.259511][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5093.259511][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5093.259511][ T73] ipv6_find_idev+0x102/0x170 [ 5093.259511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.259511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.259511][ T73] netlink_rcv_skb+0x130/0x360 [ 5093.259511][ T73] netlink_unicast+0x449/0x710 [ 5093.259511][ T73] netlink_sendmsg+0x723/0xbe0 [ 5093.259511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5093.259511][ T73] ___sys_sendmsg+0xee/0x170 [ 5093.259511][ T73] __sys_sendmsg+0xcd/0x170 [ 5093.259511][ T73] do_syscall_64+0xc6/0x1e0 [ 5093.259511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.259511][ T73] [ 5103.510845][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5103.511259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.511259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5103.511259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5103.511259][ T73] fib6_nh_init+0xa22/0x1580 [ 5103.511259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.511259][ T73] ip6_route_add+0x1c/0x140 [ 5103.511259][ T73] inet6_rtm_newroute+0x104/0x110 [ 5103.511259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.511259][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.511259][ T73] netlink_unicast+0x449/0x710 [ 5103.511259][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.511259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.511259][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.511259][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.511259][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.511259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.511259][ T73] [ 5103.513198][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.513198][ T73] dst_init+0x84/0x4a0 [ 5103.513198][ T73] dst_alloc+0x97/0x150 [ 5103.513198][ T73] ip6_dst_alloc+0x23/0x90 [ 5103.513198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5103.513198][ T73] ip6_pol_route+0x56f/0x840 [ 5103.513198][ T73] fib6_rule_lookup+0x456/0x630 [ 5103.513198][ T73] ip6_route_input+0x59c/0xa50 [ 5103.513198][ T73] ipv6_rcv+0x397/0x810 [ 5103.513198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5103.513198][ T73] process_backlog+0x101/0x620 [ 5103.513198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5103.513198][ T73] net_rx_action+0x495/0xbe0 [ 5103.513198][ T73] __do_softirq+0x1b5/0x7f6 [ 5103.513198][ T73] [ 5103.514868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.514868][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.514868][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.514868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.514868][ T73] ip6_route_add+0x1c/0x140 [ 5103.514868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5103.514868][ T73] inet6_addr_add+0x4f8/0xa40 [ 5103.514868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.514868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.514868][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.514868][ T73] netlink_unicast+0x449/0x710 [ 5103.514868][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.514868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.514868][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.514868][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.514868][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.514868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.514868][ T73] [ 5103.516876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.516876][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.516876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.516876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.516876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5103.516876][ T73] ipv6_add_addr+0x411/0x2000 [ 5103.516876][ T73] inet6_addr_add+0x30e/0xa40 [ 5103.516876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.516876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.516876][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.516876][ T73] netlink_unicast+0x449/0x710 [ 5103.516876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.516876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.516876][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.516876][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.516876][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.516876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.516876][ T73] [ 5103.518922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.518922][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.518922][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.518922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.518922][ T73] ip6_route_add+0x1c/0x140 [ 5103.518922][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5103.518922][ T73] addrconf_add_dev+0xe2/0x170 [ 5103.518922][ T73] inet6_addr_add+0x12f/0xa40 [ 5103.518922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.518922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.518922][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.518922][ T73] netlink_unicast+0x449/0x710 [ 5103.518922][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.518922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.518922][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.518922][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.518922][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.518922][ T73] [ 5103.520909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.520909][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5103.520909][ T73] ipv6_find_idev+0x102/0x170 [ 5103.520909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.520909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.520909][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.520909][ T73] netlink_unicast+0x449/0x710 [ 5103.520909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.520909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.520909][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.520909][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.520909][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.520909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.520909][ T73] [ 5103.522471][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5103.522471][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5103.522471][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5103.522471][ T73] ipv6_find_idev+0x102/0x170 [ 5103.522471][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.522471][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.522471][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.522471][ T73] netlink_unicast+0x449/0x710 [ 5103.522471][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.522471][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.522471][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.522471][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.522471][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.522471][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.522471][ T73] [ 5103.524198][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5103.524478][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.524478][ T73] dst_init+0x84/0x4a0 [ 5103.524478][ T73] dst_alloc+0x97/0x150 [ 5103.524478][ T73] ip6_dst_alloc+0x23/0x90 [ 5103.524478][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5103.524478][ T73] ip6_pol_route+0x56f/0x840 [ 5103.524478][ T73] fib6_rule_lookup+0x456/0x630 [ 5103.524478][ T73] ip6_route_input+0x59c/0xa50 [ 5103.524478][ T73] ipv6_rcv+0x397/0x810 [ 5103.524478][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5103.524478][ T73] process_backlog+0x101/0x620 [ 5103.524478][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5103.524478][ T73] net_rx_action+0x495/0xbe0 [ 5103.524478][ T73] __do_softirq+0x1b5/0x7f6 [ 5103.524478][ T73] [ 5103.526126][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.526126][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.526126][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.526126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.526126][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5103.526126][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5103.526126][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5103.526126][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5103.526126][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5103.526126][ T73] addrconf_dad_begin+0x310/0x670 [ 5103.526126][ T73] addrconf_dad_work+0x10b/0xab0 [ 5103.526126][ T73] process_one_work+0x84d/0x18a0 [ 5103.526126][ T73] worker_thread+0x587/0xd30 [ 5103.526126][ T73] kthread+0x28a/0x350 [ 5103.526126][ T73] ret_from_fork+0x31/0x70 [ 5103.526126][ T73] ret_from_fork_asm+0x1a/0x30 [ 5103.526126][ T73] [ 5103.528071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.528071][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.528071][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.528071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.528071][ T73] ip6_route_add+0x1c/0x140 [ 5103.528071][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5103.528071][ T73] inet6_addr_add+0x4f8/0xa40 [ 5103.528071][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.528071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.528071][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.528071][ T73] netlink_unicast+0x449/0x710 [ 5103.528071][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.528071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.528071][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.528071][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.528071][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.528071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.528071][ T73] [ 5103.530083][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.530083][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.530083][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.530083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.530083][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5103.530083][ T73] ipv6_add_addr+0x411/0x2000 [ 5103.530083][ T73] inet6_addr_add+0x30e/0xa40 [ 5103.530083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.530083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.530083][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.530083][ T73] netlink_unicast+0x449/0x710 [ 5103.530083][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.530083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.530083][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.530083][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.530083][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.530083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.530083][ T73] [ 5103.532093][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.532093][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.532093][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.532093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.532093][ T73] ip6_route_add+0x1c/0x140 [ 5103.532093][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5103.532093][ T73] addrconf_add_dev+0xe2/0x170 [ 5103.532093][ T73] inet6_addr_add+0x12f/0xa40 [ 5103.532093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.532093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.532093][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.532093][ T73] netlink_unicast+0x449/0x710 [ 5103.532093][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.532093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.532093][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.532093][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.532093][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.532093][ T73] [ 5103.534077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.534077][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5103.534077][ T73] ipv6_find_idev+0x102/0x170 [ 5103.534077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.534077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.534077][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.534077][ T73] netlink_unicast+0x449/0x710 [ 5103.534077][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.534077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.534077][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.534077][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.534077][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.534077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.534077][ T73] [ 5103.535618][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5103.535618][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5103.535618][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5103.535618][ T73] ipv6_find_idev+0x102/0x170 [ 5103.535618][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.535618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.535618][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.535618][ T73] netlink_unicast+0x449/0x710 [ 5103.535618][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.535618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.535618][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.535618][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.535618][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.535618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.535618][ T73] [ 5103.537400][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5103.537681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.537681][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5103.537681][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5103.537681][ T73] fib6_nh_init+0xa22/0x1580 [ 5103.537681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.537681][ T73] ip6_route_add+0x1c/0x140 [ 5103.537681][ T73] inet6_rtm_newroute+0x104/0x110 [ 5103.537681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.537681][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.537681][ T73] netlink_unicast+0x449/0x710 [ 5103.537681][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.537681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.537681][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.537681][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.537681][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.537681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.537681][ T73] [ 5103.539891][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.539891][ T73] dst_init+0x84/0x4a0 [ 5103.539891][ T73] dst_alloc+0x97/0x150 [ 5103.539891][ T73] ip6_dst_alloc+0x23/0x90 [ 5103.539891][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5103.539891][ T73] ip6_pol_route+0x56f/0x840 [ 5103.539891][ T73] fib6_rule_lookup+0x456/0x630 [ 5103.539891][ T73] ip6_route_input+0x59c/0xa50 [ 5103.539891][ T73] ipv6_rcv+0x397/0x810 [ 5103.539891][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5103.539891][ T73] process_backlog+0x101/0x620 [ 5103.539891][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5103.539891][ T73] net_rx_action+0x495/0xbe0 [ 5103.539891][ T73] __do_softirq+0x1b5/0x7f6 [ 5103.539891][ T73] [ 5103.541739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.541739][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.541739][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.541739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.541739][ T73] ip6_route_add+0x1c/0x140 [ 5103.541739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5103.541739][ T73] inet6_addr_add+0x4f8/0xa40 [ 5103.541739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.541739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.541739][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.541739][ T73] netlink_unicast+0x449/0x710 [ 5103.541739][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.541739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.541739][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.541739][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.541739][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.541739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.541739][ T73] [ 5103.543995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.543995][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.543995][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.543995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.543995][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5103.543995][ T73] ipv6_add_addr+0x411/0x2000 [ 5103.543995][ T73] inet6_addr_add+0x30e/0xa40 [ 5103.543995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.543995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.543995][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.543995][ T73] netlink_unicast+0x449/0x710 [ 5103.543995][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.543995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.543995][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.543995][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.543995][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.543995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.543995][ T73] [ 5103.546255][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.546255][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.546255][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.546255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.546255][ T73] ip6_route_add+0x1c/0x140 [ 5103.546255][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5103.546255][ T73] addrconf_add_dev+0xe2/0x170 [ 5103.546255][ T73] inet6_addr_add+0x12f/0xa40 [ 5103.546255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.546255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.546255][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.546255][ T73] netlink_unicast+0x449/0x710 [ 5103.546255][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.546255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.546255][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.546255][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.546255][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.546255][ T73] [ 5103.548568][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.548568][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5103.548568][ T73] ipv6_find_idev+0x102/0x170 [ 5103.548568][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.548568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.548568][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.548568][ T73] netlink_unicast+0x449/0x710 [ 5103.548568][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.548568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.548568][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.548568][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.548568][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.548568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.548568][ T73] [ 5103.550311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5103.550311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5103.550311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5103.550311][ T73] ipv6_find_idev+0x102/0x170 [ 5103.550311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.550311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.550311][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.550311][ T73] netlink_unicast+0x449/0x710 [ 5103.550311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.550311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.550311][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.550311][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.550311][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.550311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.550311][ T73] [ 5103.552200][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5103.552479][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5103.552479][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.552479][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.552479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.552479][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5103.552479][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5103.552479][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5103.552479][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5103.552479][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5103.552479][ T73] addrconf_dad_begin+0x310/0x670 [ 5103.552479][ T73] addrconf_dad_work+0x10b/0xab0 [ 5103.552479][ T73] process_one_work+0x84d/0x18a0 [ 5103.552479][ T73] worker_thread+0x587/0xd30 [ 5103.552479][ T73] kthread+0x28a/0x350 [ 5103.552479][ T73] ret_from_fork+0x31/0x70 [ 5103.552479][ T73] ret_from_fork_asm+0x1a/0x30 [ 5103.552479][ T73] [ 5103.554663][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5103.554663][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.554663][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.554663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.554663][ T73] ip6_route_add+0x1c/0x140 [ 5103.554663][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5103.554663][ T73] inet6_addr_add+0x4f8/0xa40 [ 5103.554663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.554663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.554663][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.554663][ T73] netlink_unicast+0x449/0x710 [ 5103.554663][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.554663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.554663][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.554663][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.554663][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.554663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.554663][ T73] [ 5103.556953][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5103.556953][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.556953][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.556953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.556953][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5103.556953][ T73] ipv6_add_addr+0x411/0x2000 [ 5103.556953][ T73] inet6_addr_add+0x30e/0xa40 [ 5103.556953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.556953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.556953][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.556953][ T73] netlink_unicast+0x449/0x710 [ 5103.556953][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.556953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.556953][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.556953][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.556953][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.556953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.556953][ T73] [ 5103.559262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5103.559262][ T73] netdev_get_by_index+0x5e/0x80 [ 5103.559262][ T73] fib6_nh_init+0x3d8/0x1580 [ 5103.559262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5103.559262][ T73] ip6_route_add+0x1c/0x140 [ 5103.559262][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5103.559262][ T73] addrconf_add_dev+0xe2/0x170 [ 5103.559262][ T73] inet6_addr_add+0x12f/0xa40 [ 5103.559262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.559262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.559262][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.559262][ T73] netlink_unicast+0x449/0x710 [ 5103.559262][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.559262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.559262][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.559262][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.559262][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.559262][ T73] [ 5103.561419][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5103.561419][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5103.561419][ T73] ipv6_find_idev+0x102/0x170 [ 5103.561419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.561419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.561419][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.561419][ T73] netlink_unicast+0x449/0x710 [ 5103.561419][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.561419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.561419][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.561419][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.561419][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.561419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.561419][ T73] [ 5103.563172][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5103.563172][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5103.563172][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5103.563172][ T73] ipv6_find_idev+0x102/0x170 [ 5103.563172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.563172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.563172][ T73] netlink_rcv_skb+0x130/0x360 [ 5103.563172][ T73] netlink_unicast+0x449/0x710 [ 5103.563172][ T73] netlink_sendmsg+0x723/0xbe0 [ 5103.563172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5103.563172][ T73] ___sys_sendmsg+0xee/0x170 [ 5103.563172][ T73] __sys_sendmsg+0xcd/0x170 [ 5103.563172][ T73] do_syscall_64+0xc6/0x1e0 [ 5103.563172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.563172][ T73] [ 5113.606903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5113.607363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.607363][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5113.607363][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5113.607363][ T73] fib6_nh_init+0xa22/0x1580 [ 5113.607363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.607363][ T73] ip6_route_add+0x1c/0x140 [ 5113.607363][ T73] inet6_rtm_newroute+0x104/0x110 [ 5113.607363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.607363][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.607363][ T73] netlink_unicast+0x449/0x710 [ 5113.607363][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.607363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.607363][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.607363][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.607363][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.607363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.607363][ T73] [ 5113.609272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.609272][ T73] dst_init+0x84/0x4a0 [ 5113.609272][ T73] dst_alloc+0x97/0x150 [ 5113.609272][ T73] ip6_dst_alloc+0x23/0x90 [ 5113.609272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5113.609272][ T73] ip6_pol_route+0x56f/0x840 [ 5113.609272][ T73] fib6_rule_lookup+0x456/0x630 [ 5113.609272][ T73] ip6_route_input+0x59c/0xa50 [ 5113.609272][ T73] ipv6_rcv+0x397/0x810 [ 5113.609272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5113.609272][ T73] process_backlog+0x101/0x620 [ 5113.609272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5113.609272][ T73] net_rx_action+0x495/0xbe0 [ 5113.609272][ T73] __do_softirq+0x1b5/0x7f6 [ 5113.609272][ T73] [ 5113.610919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.610919][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.610919][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.610919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.610919][ T73] ip6_route_add+0x1c/0x140 [ 5113.610919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5113.610919][ T73] inet6_addr_add+0x4f8/0xa40 [ 5113.610919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.610919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.610919][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.610919][ T73] netlink_unicast+0x449/0x710 [ 5113.610919][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.610919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.610919][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.610919][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.610919][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.610919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.610919][ T73] [ 5113.612933][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.612933][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.612933][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.612933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.612933][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5113.612933][ T73] ipv6_add_addr+0x411/0x2000 [ 5113.612933][ T73] inet6_addr_add+0x30e/0xa40 [ 5113.612933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.612933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.612933][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.612933][ T73] netlink_unicast+0x449/0x710 [ 5113.612933][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.612933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.612933][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.612933][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.612933][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.612933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.612933][ T73] [ 5113.614939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.614939][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.614939][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.614939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.614939][ T73] ip6_route_add+0x1c/0x140 [ 5113.614939][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5113.614939][ T73] addrconf_add_dev+0xe2/0x170 [ 5113.614939][ T73] inet6_addr_add+0x12f/0xa40 [ 5113.614939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.614939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.614939][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.614939][ T73] netlink_unicast+0x449/0x710 [ 5113.614939][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.614939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.614939][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.614939][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.614939][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.614939][ T73] [ 5113.616934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.616934][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5113.616934][ T73] ipv6_find_idev+0x102/0x170 [ 5113.616934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.616934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.616934][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.616934][ T73] netlink_unicast+0x449/0x710 [ 5113.616934][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.616934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.616934][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.616934][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.616934][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.616934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.616934][ T73] [ 5113.618478][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5113.618478][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5113.618478][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5113.618478][ T73] ipv6_find_idev+0x102/0x170 [ 5113.618478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.618478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.618478][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.618478][ T73] netlink_unicast+0x449/0x710 [ 5113.618478][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.618478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.618478][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.618478][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.618478][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.618478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.618478][ T73] [ 5113.620177][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5113.620451][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.620451][ T73] dst_init+0x84/0x4a0 [ 5113.620451][ T73] dst_alloc+0x97/0x150 [ 5113.620451][ T73] ip6_dst_alloc+0x23/0x90 [ 5113.620451][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5113.620451][ T73] ip6_pol_route+0x56f/0x840 [ 5113.620451][ T73] fib6_rule_lookup+0x456/0x630 [ 5113.620451][ T73] ip6_route_input+0x59c/0xa50 [ 5113.620451][ T73] ipv6_rcv+0x397/0x810 [ 5113.620451][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5113.620451][ T73] process_backlog+0x101/0x620 [ 5113.620451][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5113.620451][ T73] net_rx_action+0x495/0xbe0 [ 5113.620451][ T73] __do_softirq+0x1b5/0x7f6 [ 5113.620451][ T73] [ 5113.622104][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.622104][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.622104][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.622104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.622104][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5113.622104][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5113.622104][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5113.622104][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5113.622104][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5113.622104][ T73] addrconf_dad_begin+0x310/0x670 [ 5113.622104][ T73] addrconf_dad_work+0x10b/0xab0 [ 5113.622104][ T73] process_one_work+0x84d/0x18a0 [ 5113.622104][ T73] worker_thread+0x587/0xd30 [ 5113.622104][ T73] kthread+0x28a/0x350 [ 5113.622104][ T73] ret_from_fork+0x31/0x70 [ 5113.622104][ T73] ret_from_fork_asm+0x1a/0x30 [ 5113.622104][ T73] [ 5113.624020][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.624020][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.624020][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.624020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.624020][ T73] ip6_route_add+0x1c/0x140 [ 5113.624020][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5113.624020][ T73] inet6_addr_add+0x4f8/0xa40 [ 5113.624020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.624020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.624020][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.624020][ T73] netlink_unicast+0x449/0x710 [ 5113.624020][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.624020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.624020][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.624020][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.624020][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.624020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.624020][ T73] [ 5113.626026][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.626026][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.626026][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.626026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.626026][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5113.626026][ T73] ipv6_add_addr+0x411/0x2000 [ 5113.626026][ T73] inet6_addr_add+0x30e/0xa40 [ 5113.626026][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.626026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.626026][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.626026][ T73] netlink_unicast+0x449/0x710 [ 5113.626026][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.626026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.626026][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.626026][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.626026][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.626026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.626026][ T73] [ 5113.628026][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.628026][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.628026][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.628026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.628026][ T73] ip6_route_add+0x1c/0x140 [ 5113.628026][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5113.628026][ T73] addrconf_add_dev+0xe2/0x170 [ 5113.628026][ T73] inet6_addr_add+0x12f/0xa40 [ 5113.628026][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.628026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.628026][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.628026][ T73] netlink_unicast+0x449/0x710 [ 5113.628026][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.628026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.628026][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.628026][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.628026][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.628026][ T73] [ 5113.629991][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.629991][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5113.629991][ T73] ipv6_find_idev+0x102/0x170 [ 5113.629991][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.629991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.629991][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.629991][ T73] netlink_unicast+0x449/0x710 [ 5113.629991][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.629991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.629991][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.629991][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.629991][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.629991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.629991][ T73] [ 5113.631538][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5113.631538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5113.631538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5113.631538][ T73] ipv6_find_idev+0x102/0x170 [ 5113.631538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.631538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.631538][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.631538][ T73] netlink_unicast+0x449/0x710 [ 5113.631538][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.631538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.631538][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.631538][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.631538][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.631538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.631538][ T73] [ 5113.633353][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5113.633623][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.633623][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5113.633623][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5113.633623][ T73] fib6_nh_init+0xa22/0x1580 [ 5113.633623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.633623][ T73] ip6_route_add+0x1c/0x140 [ 5113.633623][ T73] inet6_rtm_newroute+0x104/0x110 [ 5113.633623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.633623][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.633623][ T73] netlink_unicast+0x449/0x710 [ 5113.633623][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.633623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.633623][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.633623][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.633623][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.633623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.633623][ T73] [ 5113.635743][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.635743][ T73] dst_init+0x84/0x4a0 [ 5113.635743][ T73] dst_alloc+0x97/0x150 [ 5113.635743][ T73] ip6_dst_alloc+0x23/0x90 [ 5113.635743][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5113.635743][ T73] ip6_pol_route+0x56f/0x840 [ 5113.635743][ T73] fib6_rule_lookup+0x456/0x630 [ 5113.635743][ T73] ip6_route_input+0x59c/0xa50 [ 5113.635743][ T73] ipv6_rcv+0x397/0x810 [ 5113.635743][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5113.635743][ T73] process_backlog+0x101/0x620 [ 5113.635743][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5113.635743][ T73] net_rx_action+0x495/0xbe0 [ 5113.635743][ T73] __do_softirq+0x1b5/0x7f6 [ 5113.635743][ T73] [ 5113.637565][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.637565][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.637565][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.637565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.637565][ T73] ip6_route_add+0x1c/0x140 [ 5113.637565][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5113.637565][ T73] inet6_addr_add+0x4f8/0xa40 [ 5113.637565][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.637565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.637565][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.637565][ T73] netlink_unicast+0x449/0x710 [ 5113.637565][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.637565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.637565][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.637565][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.637565][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.637565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.637565][ T73] [ 5113.639874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.639874][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.639874][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.639874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.639874][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5113.639874][ T73] ipv6_add_addr+0x411/0x2000 [ 5113.639874][ T73] inet6_addr_add+0x30e/0xa40 [ 5113.639874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.639874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.639874][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.639874][ T73] netlink_unicast+0x449/0x710 [ 5113.639874][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.639874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.639874][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.639874][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.639874][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.639874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.639874][ T73] [ 5113.642123][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.642123][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.642123][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.642123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.642123][ T73] ip6_route_add+0x1c/0x140 [ 5113.642123][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5113.642123][ T73] addrconf_add_dev+0xe2/0x170 [ 5113.642123][ T73] inet6_addr_add+0x12f/0xa40 [ 5113.642123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.642123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.642123][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.642123][ T73] netlink_unicast+0x449/0x710 [ 5113.642123][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.642123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.642123][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.642123][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.642123][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.642123][ T73] [ 5113.644328][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.644328][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5113.644328][ T73] ipv6_find_idev+0x102/0x170 [ 5113.644328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.644328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.644328][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.644328][ T73] netlink_unicast+0x449/0x710 [ 5113.644328][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.644328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.644328][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.644328][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.644328][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.644328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.644328][ T73] [ 5113.646051][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5113.646051][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5113.646051][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5113.646051][ T73] ipv6_find_idev+0x102/0x170 [ 5113.646051][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.646051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.646051][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.646051][ T73] netlink_unicast+0x449/0x710 [ 5113.646051][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.646051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.646051][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.646051][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.646051][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.646051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.646051][ T73] [ 5113.647923][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5113.648193][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5113.648193][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.648193][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.648193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.648193][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5113.648193][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5113.648193][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5113.648193][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5113.648193][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5113.648193][ T73] addrconf_dad_begin+0x310/0x670 [ 5113.648193][ T73] addrconf_dad_work+0x10b/0xab0 [ 5113.648193][ T73] process_one_work+0x84d/0x18a0 [ 5113.648193][ T73] worker_thread+0x587/0xd30 [ 5113.648193][ T73] kthread+0x28a/0x350 [ 5113.648193][ T73] ret_from_fork+0x31/0x70 [ 5113.648193][ T73] ret_from_fork_asm+0x1a/0x30 [ 5113.648193][ T73] [ 5113.650407][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5113.650407][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.650407][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.650407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.650407][ T73] ip6_route_add+0x1c/0x140 [ 5113.650407][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5113.650407][ T73] inet6_addr_add+0x4f8/0xa40 [ 5113.650407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.650407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.650407][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.650407][ T73] netlink_unicast+0x449/0x710 [ 5113.650407][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.650407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.650407][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.650407][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.650407][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.650407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.650407][ T73] [ 5113.652649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5113.652649][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.652649][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.652649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.652649][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5113.652649][ T73] ipv6_add_addr+0x411/0x2000 [ 5113.652649][ T73] inet6_addr_add+0x30e/0xa40 [ 5113.652649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.652649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.652649][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.652649][ T73] netlink_unicast+0x449/0x710 [ 5113.652649][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.652649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.652649][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.652649][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.652649][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.652649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.652649][ T73] [ 5113.654892][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5113.654892][ T73] netdev_get_by_index+0x5e/0x80 [ 5113.654892][ T73] fib6_nh_init+0x3d8/0x1580 [ 5113.654892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5113.654892][ T73] ip6_route_add+0x1c/0x140 [ 5113.654892][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5113.654892][ T73] addrconf_add_dev+0xe2/0x170 [ 5113.654892][ T73] inet6_addr_add+0x12f/0xa40 [ 5113.654892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.654892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.654892][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.654892][ T73] netlink_unicast+0x449/0x710 [ 5113.654892][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.654892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.654892][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.654892][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.654892][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.654892][ T73] [ 5113.657042][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5113.657042][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5113.657042][ T73] ipv6_find_idev+0x102/0x170 [ 5113.657042][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.657042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.657042][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.657042][ T73] netlink_unicast+0x449/0x710 [ 5113.657042][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.657042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.657042][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.657042][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.657042][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.657042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.657042][ T73] [ 5113.658837][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5113.658837][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5113.658837][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5113.658837][ T73] ipv6_find_idev+0x102/0x170 [ 5113.658837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.658837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.658837][ T73] netlink_rcv_skb+0x130/0x360 [ 5113.658837][ T73] netlink_unicast+0x449/0x710 [ 5113.658837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5113.658837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5113.658837][ T73] ___sys_sendmsg+0xee/0x170 [ 5113.658837][ T73] __sys_sendmsg+0xcd/0x170 [ 5113.658837][ T73] do_syscall_64+0xc6/0x1e0 [ 5113.658837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.658837][ T73] [ 5123.902880][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5123.903311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.903311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5123.903311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5123.903311][ T73] fib6_nh_init+0xa22/0x1580 [ 5123.903311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.903311][ T73] ip6_route_add+0x1c/0x140 [ 5123.903311][ T73] inet6_rtm_newroute+0x104/0x110 [ 5123.903311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.903311][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.903311][ T73] netlink_unicast+0x449/0x710 [ 5123.903311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.903311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.903311][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.903311][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.903311][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.903311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.903311][ T73] [ 5123.905226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.905226][ T73] dst_init+0x84/0x4a0 [ 5123.905226][ T73] dst_alloc+0x97/0x150 [ 5123.905226][ T73] ip6_dst_alloc+0x23/0x90 [ 5123.905226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5123.905226][ T73] ip6_pol_route+0x56f/0x840 [ 5123.905226][ T73] fib6_rule_lookup+0x456/0x630 [ 5123.905226][ T73] ip6_route_input+0x59c/0xa50 [ 5123.905226][ T73] ipv6_rcv+0x397/0x810 [ 5123.905226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5123.905226][ T73] process_backlog+0x101/0x620 [ 5123.905226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5123.905226][ T73] net_rx_action+0x495/0xbe0 [ 5123.905226][ T73] __do_softirq+0x1b5/0x7f6 [ 5123.905226][ T73] [ 5123.906862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.906862][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.906862][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.906862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.906862][ T73] ip6_route_add+0x1c/0x140 [ 5123.906862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5123.906862][ T73] inet6_addr_add+0x4f8/0xa40 [ 5123.906862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.906862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.906862][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.906862][ T73] netlink_unicast+0x449/0x710 [ 5123.906862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.906862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.906862][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.906862][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.906862][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.906862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.906862][ T73] [ 5123.908848][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.908848][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.908848][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.908848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.908848][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5123.908848][ T73] ipv6_add_addr+0x411/0x2000 [ 5123.908848][ T73] inet6_addr_add+0x30e/0xa40 [ 5123.908848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.908848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.908848][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.908848][ T73] netlink_unicast+0x449/0x710 [ 5123.908848][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.908848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.908848][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.908848][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.908848][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.908848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.908848][ T73] [ 5123.910836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.910836][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.910836][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.910836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.910836][ T73] ip6_route_add+0x1c/0x140 [ 5123.910836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5123.910836][ T73] addrconf_add_dev+0xe2/0x170 [ 5123.910836][ T73] inet6_addr_add+0x12f/0xa40 [ 5123.910836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.910836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.910836][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.910836][ T73] netlink_unicast+0x449/0x710 [ 5123.910836][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.910836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.910836][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.910836][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.910836][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.910836][ T73] [ 5123.912786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.912786][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5123.912786][ T73] ipv6_find_idev+0x102/0x170 [ 5123.912786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.912786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.912786][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.912786][ T73] netlink_unicast+0x449/0x710 [ 5123.912786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.912786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.912786][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.912786][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.912786][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.912786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.912786][ T73] [ 5123.914322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5123.914322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5123.914322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5123.914322][ T73] ipv6_find_idev+0x102/0x170 [ 5123.914322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.914322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.914322][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.914322][ T73] netlink_unicast+0x449/0x710 [ 5123.914322][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.914322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.914322][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.914322][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.914322][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.914322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.914322][ T73] [ 5123.915994][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5123.916265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.916265][ T73] dst_init+0x84/0x4a0 [ 5123.916265][ T73] dst_alloc+0x97/0x150 [ 5123.916265][ T73] ip6_dst_alloc+0x23/0x90 [ 5123.916265][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5123.916265][ T73] ip6_pol_route+0x56f/0x840 [ 5123.916265][ T73] fib6_rule_lookup+0x456/0x630 [ 5123.916265][ T73] ip6_route_input+0x59c/0xa50 [ 5123.916265][ T73] ipv6_rcv+0x397/0x810 [ 5123.916265][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5123.916265][ T73] process_backlog+0x101/0x620 [ 5123.916265][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5123.916265][ T73] net_rx_action+0x495/0xbe0 [ 5123.916265][ T73] __do_softirq+0x1b5/0x7f6 [ 5123.916265][ T73] [ 5123.917901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.917901][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.917901][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.917901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.917901][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5123.917901][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5123.917901][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5123.917901][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5123.917901][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5123.917901][ T73] addrconf_dad_begin+0x310/0x670 [ 5123.917901][ T73] addrconf_dad_work+0x10b/0xab0 [ 5123.917901][ T73] process_one_work+0x84d/0x18a0 [ 5123.917901][ T73] worker_thread+0x587/0xd30 [ 5123.917901][ T73] kthread+0x28a/0x350 [ 5123.917901][ T73] ret_from_fork+0x31/0x70 [ 5123.917901][ T73] ret_from_fork_asm+0x1a/0x30 [ 5123.917901][ T73] [ 5123.919793][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.919793][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.919793][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.919793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.919793][ T73] ip6_route_add+0x1c/0x140 [ 5123.919793][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5123.919793][ T73] inet6_addr_add+0x4f8/0xa40 [ 5123.919793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.919793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.919793][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.919793][ T73] netlink_unicast+0x449/0x710 [ 5123.919793][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.919793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.919793][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.919793][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.919793][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.919793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.919793][ T73] [ 5123.921775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.921775][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.921775][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.921775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.921775][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5123.921775][ T73] ipv6_add_addr+0x411/0x2000 [ 5123.921775][ T73] inet6_addr_add+0x30e/0xa40 [ 5123.921775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.921775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.921775][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.921775][ T73] netlink_unicast+0x449/0x710 [ 5123.921775][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.921775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.921775][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.921775][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.921775][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.921775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.921775][ T73] [ 5123.923755][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.923755][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.923755][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.923755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.923755][ T73] ip6_route_add+0x1c/0x140 [ 5123.923755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5123.923755][ T73] addrconf_add_dev+0xe2/0x170 [ 5123.923755][ T73] inet6_addr_add+0x12f/0xa40 [ 5123.923755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.923755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.923755][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.923755][ T73] netlink_unicast+0x449/0x710 [ 5123.923755][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.923755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.923755][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.923755][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.923755][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.923755][ T73] [ 5123.925708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.925708][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5123.925708][ T73] ipv6_find_idev+0x102/0x170 [ 5123.925708][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.925708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.925708][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.925708][ T73] netlink_unicast+0x449/0x710 [ 5123.925708][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.925708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.925708][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.925708][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.925708][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.925708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.925708][ T73] [ 5123.927241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5123.927241][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5123.927241][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5123.927241][ T73] ipv6_find_idev+0x102/0x170 [ 5123.927241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.927241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.927241][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.927241][ T73] netlink_unicast+0x449/0x710 [ 5123.927241][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.927241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.927241][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.927241][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.927241][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.927241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.927241][ T73] [ 5123.928956][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5123.929239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.929239][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5123.929239][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5123.929239][ T73] fib6_nh_init+0xa22/0x1580 [ 5123.929239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.929239][ T73] ip6_route_add+0x1c/0x140 [ 5123.929239][ T73] inet6_rtm_newroute+0x104/0x110 [ 5123.929239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.929239][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.929239][ T73] netlink_unicast+0x449/0x710 [ 5123.929239][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.929239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.929239][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.929239][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.929239][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.929239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.929239][ T73] [ 5123.931327][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.931327][ T73] dst_init+0x84/0x4a0 [ 5123.931327][ T73] dst_alloc+0x97/0x150 [ 5123.931327][ T73] ip6_dst_alloc+0x23/0x90 [ 5123.931327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5123.931327][ T73] ip6_pol_route+0x56f/0x840 [ 5123.931327][ T73] fib6_rule_lookup+0x456/0x630 [ 5123.931327][ T73] ip6_route_input+0x59c/0xa50 [ 5123.931327][ T73] ipv6_rcv+0x397/0x810 [ 5123.931327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5123.931327][ T73] process_backlog+0x101/0x620 [ 5123.931327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5123.931327][ T73] net_rx_action+0x495/0xbe0 [ 5123.931327][ T73] __do_softirq+0x1b5/0x7f6 [ 5123.931327][ T73] [ 5123.933130][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.933130][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.933130][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.933130][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.933130][ T73] ip6_route_add+0x1c/0x140 [ 5123.933130][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5123.933130][ T73] inet6_addr_add+0x4f8/0xa40 [ 5123.933130][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.933130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.933130][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.933130][ T73] netlink_unicast+0x449/0x710 [ 5123.933130][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.933130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.933130][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.933130][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.933130][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.933130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.933130][ T73] [ 5123.935351][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.935351][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.935351][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.935351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.935351][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5123.935351][ T73] ipv6_add_addr+0x411/0x2000 [ 5123.935351][ T73] inet6_addr_add+0x30e/0xa40 [ 5123.935351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.935351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.935351][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.935351][ T73] netlink_unicast+0x449/0x710 [ 5123.935351][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.935351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.935351][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.935351][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.935351][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.935351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.935351][ T73] [ 5123.937517][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.937517][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.937517][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.937517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.937517][ T73] ip6_route_add+0x1c/0x140 [ 5123.937517][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5123.937517][ T73] addrconf_add_dev+0xe2/0x170 [ 5123.937517][ T73] inet6_addr_add+0x12f/0xa40 [ 5123.937517][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.937517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.937517][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.937517][ T73] netlink_unicast+0x449/0x710 [ 5123.937517][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.937517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.937517][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.937517][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.937517][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.937517][ T73] [ 5123.939773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.939773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5123.939773][ T73] ipv6_find_idev+0x102/0x170 [ 5123.939773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.939773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.939773][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.939773][ T73] netlink_unicast+0x449/0x710 [ 5123.939773][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.939773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.939773][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.939773][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.939773][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.939773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.939773][ T73] [ 5123.941479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5123.941479][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5123.941479][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5123.941479][ T73] ipv6_find_idev+0x102/0x170 [ 5123.941479][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.941479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.941479][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.941479][ T73] netlink_unicast+0x449/0x710 [ 5123.941479][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.941479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.941479][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.941479][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.941479][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.941479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.941479][ T73] [ 5123.943341][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5123.943610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5123.943610][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.943610][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.943610][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.943610][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5123.943610][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5123.943610][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5123.943610][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5123.943610][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5123.943610][ T73] addrconf_dad_begin+0x310/0x670 [ 5123.943610][ T73] addrconf_dad_work+0x10b/0xab0 [ 5123.943610][ T73] process_one_work+0x84d/0x18a0 [ 5123.943610][ T73] worker_thread+0x587/0xd30 [ 5123.943610][ T73] kthread+0x28a/0x350 [ 5123.943610][ T73] ret_from_fork+0x31/0x70 [ 5123.943610][ T73] ret_from_fork_asm+0x1a/0x30 [ 5123.943610][ T73] [ 5123.945757][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5123.945757][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.945757][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.945757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.945757][ T73] ip6_route_add+0x1c/0x140 [ 5123.945757][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5123.945757][ T73] inet6_addr_add+0x4f8/0xa40 [ 5123.945757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.945757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.945757][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.945757][ T73] netlink_unicast+0x449/0x710 [ 5123.945757][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.945757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.945757][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.945757][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.945757][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.945757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.945757][ T73] [ 5123.948055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5123.948055][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.948055][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.948055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.948055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5123.948055][ T73] ipv6_add_addr+0x411/0x2000 [ 5123.948055][ T73] inet6_addr_add+0x30e/0xa40 [ 5123.948055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.948055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.948055][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.948055][ T73] netlink_unicast+0x449/0x710 [ 5123.948055][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.948055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.948055][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.948055][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.948055][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.948055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.948055][ T73] [ 5123.950282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5123.950282][ T73] netdev_get_by_index+0x5e/0x80 [ 5123.950282][ T73] fib6_nh_init+0x3d8/0x1580 [ 5123.950282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5123.950282][ T73] ip6_route_add+0x1c/0x140 [ 5123.950282][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5123.950282][ T73] addrconf_add_dev+0xe2/0x170 [ 5123.950282][ T73] inet6_addr_add+0x12f/0xa40 [ 5123.950282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5123.950282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.950282][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.950282][ T73] netlink_unicast+0x449/0x710 [ 5123.950282][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.950282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.950282][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.950282][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.950282][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.950282][ T73] [ 5123.952417][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5123.952417][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5123.952417][ T73] ipv6_find_idev+0x102/0x170 [ 5123.952417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.952417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.952417][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.952417][ T73] netlink_unicast+0x449/0x710 [ 5123.952417][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.952417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.952417][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.952417][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.952417][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.952417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.952417][ T73] [ 5123.954122][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5123.954122][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5123.954122][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5123.954122][ T73] ipv6_find_idev+0x102/0x170 [ 5123.954122][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5123.954122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5123.954122][ T73] netlink_rcv_skb+0x130/0x360 [ 5123.954122][ T73] netlink_unicast+0x449/0x710 [ 5123.954122][ T73] netlink_sendmsg+0x723/0xbe0 [ 5123.954122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5123.954122][ T73] ___sys_sendmsg+0xee/0x170 [ 5123.954122][ T73] __sys_sendmsg+0xcd/0x170 [ 5123.954122][ T73] do_syscall_64+0xc6/0x1e0 [ 5123.954122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5123.954122][ T73] [ 5134.198922][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5134.199347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.199347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5134.199347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5134.199347][ T73] fib6_nh_init+0xa22/0x1580 [ 5134.199347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.199347][ T73] ip6_route_add+0x1c/0x140 [ 5134.199347][ T73] inet6_rtm_newroute+0x104/0x110 [ 5134.199347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.199347][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.199347][ T73] netlink_unicast+0x449/0x710 [ 5134.199347][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.199347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.199347][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.199347][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.199347][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.199347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.199347][ T73] [ 5134.201385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.201385][ T73] dst_init+0x84/0x4a0 [ 5134.201385][ T73] dst_alloc+0x97/0x150 [ 5134.201385][ T73] ip6_dst_alloc+0x23/0x90 [ 5134.201385][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5134.201385][ T73] ip6_pol_route+0x56f/0x840 [ 5134.201385][ T73] fib6_rule_lookup+0x456/0x630 [ 5134.201385][ T73] ip6_route_input+0x59c/0xa50 [ 5134.201385][ T73] ipv6_rcv+0x397/0x810 [ 5134.201385][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5134.201385][ T73] process_backlog+0x101/0x620 [ 5134.201385][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5134.201385][ T73] net_rx_action+0x495/0xbe0 [ 5134.201385][ T73] __do_softirq+0x1b5/0x7f6 [ 5134.201385][ T73] [ 5134.203140][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.203140][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.203140][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.203140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.203140][ T73] ip6_route_add+0x1c/0x140 [ 5134.203140][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5134.203140][ T73] inet6_addr_add+0x4f8/0xa40 [ 5134.203140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.203140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.203140][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.203140][ T73] netlink_unicast+0x449/0x710 [ 5134.203140][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.203140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.203140][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.203140][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.203140][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.203140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.203140][ T73] [ 5134.205320][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.205320][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.205320][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.205320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.205320][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5134.205320][ T73] ipv6_add_addr+0x411/0x2000 [ 5134.205320][ T73] inet6_addr_add+0x30e/0xa40 [ 5134.205320][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.205320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.205320][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.205320][ T73] netlink_unicast+0x449/0x710 [ 5134.205320][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.205320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.205320][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.205320][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.205320][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.205320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.205320][ T73] [ 5134.207518][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.207518][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.207518][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.207518][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.207518][ T73] ip6_route_add+0x1c/0x140 [ 5134.207518][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5134.207518][ T73] addrconf_add_dev+0xe2/0x170 [ 5134.207518][ T73] inet6_addr_add+0x12f/0xa40 [ 5134.207518][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.207518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.207518][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.207518][ T73] netlink_unicast+0x449/0x710 [ 5134.207518][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.207518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.207518][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.207518][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.207518][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.207518][ T73] [ 5134.209674][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.209674][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5134.209674][ T73] ipv6_find_idev+0x102/0x170 [ 5134.209674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.209674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.209674][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.209674][ T73] netlink_unicast+0x449/0x710 [ 5134.209674][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.209674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.209674][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.209674][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.209674][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.209674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.209674][ T73] [ 5134.211353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5134.211353][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5134.211353][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5134.211353][ T73] ipv6_find_idev+0x102/0x170 [ 5134.211353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.211353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.211353][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.211353][ T73] netlink_unicast+0x449/0x710 [ 5134.211353][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.211353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.211353][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.211353][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.211353][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.211353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.211353][ T73] [ 5134.213206][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5134.213511][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.213511][ T73] dst_init+0x84/0x4a0 [ 5134.213511][ T73] dst_alloc+0x97/0x150 [ 5134.213511][ T73] ip6_dst_alloc+0x23/0x90 [ 5134.213511][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5134.213511][ T73] ip6_pol_route+0x56f/0x840 [ 5134.213511][ T73] fib6_rule_lookup+0x456/0x630 [ 5134.213511][ T73] ip6_route_input+0x59c/0xa50 [ 5134.213511][ T73] ipv6_rcv+0x397/0x810 [ 5134.213511][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5134.213511][ T73] process_backlog+0x101/0x620 [ 5134.213511][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5134.213511][ T73] net_rx_action+0x495/0xbe0 [ 5134.213511][ T73] __do_softirq+0x1b5/0x7f6 [ 5134.213511][ T73] [ 5134.215308][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.215308][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.215308][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.215308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.215308][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5134.215308][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5134.215308][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5134.215308][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5134.215308][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5134.215308][ T73] addrconf_dad_begin+0x310/0x670 [ 5134.215308][ T73] addrconf_dad_work+0x10b/0xab0 [ 5134.215308][ T73] process_one_work+0x84d/0x18a0 [ 5134.215308][ T73] worker_thread+0x587/0xd30 [ 5134.215308][ T73] kthread+0x28a/0x350 [ 5134.215308][ T73] ret_from_fork+0x31/0x70 [ 5134.215308][ T73] ret_from_fork_asm+0x1a/0x30 [ 5134.215308][ T73] [ 5134.217403][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.217403][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.217403][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.217403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.217403][ T73] ip6_route_add+0x1c/0x140 [ 5134.217403][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5134.217403][ T73] inet6_addr_add+0x4f8/0xa40 [ 5134.217403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.217403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.217403][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.217403][ T73] netlink_unicast+0x449/0x710 [ 5134.217403][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.217403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.217403][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.217403][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.217403][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.217403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.217403][ T73] [ 5134.219472][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.219472][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.219472][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.219472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.219472][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5134.219472][ T73] ipv6_add_addr+0x411/0x2000 [ 5134.219472][ T73] inet6_addr_add+0x30e/0xa40 [ 5134.219472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.219472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.219472][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.219472][ T73] netlink_unicast+0x449/0x710 [ 5134.219472][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.219472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.219472][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.219472][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.219472][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.219472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.219472][ T73] [ 5134.221485][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.221485][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.221485][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.221485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.221485][ T73] ip6_route_add+0x1c/0x140 [ 5134.221485][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5134.221485][ T73] addrconf_add_dev+0xe2/0x170 [ 5134.221485][ T73] inet6_addr_add+0x12f/0xa40 [ 5134.221485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.221485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.221485][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.221485][ T73] netlink_unicast+0x449/0x710 [ 5134.221485][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.221485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.221485][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.221485][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.221485][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.221485][ T73] [ 5134.223430][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.223430][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5134.223430][ T73] ipv6_find_idev+0x102/0x170 [ 5134.223430][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.223430][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.223430][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.223430][ T73] netlink_unicast+0x449/0x710 [ 5134.223430][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.223430][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.223430][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.223430][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.223430][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.223430][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.223430][ T73] [ 5134.224958][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5134.224958][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5134.224958][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5134.224958][ T73] ipv6_find_idev+0x102/0x170 [ 5134.224958][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.224958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.224958][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.224958][ T73] netlink_unicast+0x449/0x710 [ 5134.224958][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.224958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.224958][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.224958][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.224958][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.224958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.224958][ T73] [ 5134.226760][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5134.227136][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.227136][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5134.227136][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5134.227136][ T73] fib6_nh_init+0xa22/0x1580 [ 5134.227136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.227136][ T73] ip6_route_add+0x1c/0x140 [ 5134.227136][ T73] inet6_rtm_newroute+0x104/0x110 [ 5134.227136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.227136][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.227136][ T73] netlink_unicast+0x449/0x710 [ 5134.227136][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.227136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.227136][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.227136][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.227136][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.227136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.227136][ T73] [ 5134.229268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.229268][ T73] dst_init+0x84/0x4a0 [ 5134.229268][ T73] dst_alloc+0x97/0x150 [ 5134.229268][ T73] ip6_dst_alloc+0x23/0x90 [ 5134.229268][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5134.229268][ T73] ip6_pol_route+0x56f/0x840 [ 5134.229268][ T73] fib6_rule_lookup+0x456/0x630 [ 5134.229268][ T73] ip6_route_input+0x59c/0xa50 [ 5134.229268][ T73] ipv6_rcv+0x397/0x810 [ 5134.229268][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5134.229268][ T73] process_backlog+0x101/0x620 [ 5134.229268][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5134.229268][ T73] net_rx_action+0x495/0xbe0 [ 5134.229268][ T73] __do_softirq+0x1b5/0x7f6 [ 5134.229268][ T73] [ 5134.231618][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.231618][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.231618][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.231618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.231618][ T73] ip6_route_add+0x1c/0x140 [ 5134.231618][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5134.231618][ T73] inet6_addr_add+0x4f8/0xa40 [ 5134.231618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.231618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.231618][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.231618][ T73] netlink_unicast+0x449/0x710 [ 5134.231618][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.231618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.231618][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.231618][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.231618][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.231618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.231618][ T73] [ 5134.234025][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.234025][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.234025][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.234025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.234025][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5134.234025][ T73] ipv6_add_addr+0x411/0x2000 [ 5134.234025][ T73] inet6_addr_add+0x30e/0xa40 [ 5134.234025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.234025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.234025][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.234025][ T73] netlink_unicast+0x449/0x710 [ 5134.234025][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.234025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.234025][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.234025][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.234025][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.234025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.234025][ T73] [ 5134.236291][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.236291][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.236291][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.236291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.236291][ T73] ip6_route_add+0x1c/0x140 [ 5134.236291][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5134.236291][ T73] addrconf_add_dev+0xe2/0x170 [ 5134.236291][ T73] inet6_addr_add+0x12f/0xa40 [ 5134.236291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.236291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.236291][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.236291][ T73] netlink_unicast+0x449/0x710 [ 5134.236291][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.236291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.236291][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.236291][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.236291][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.236291][ T73] [ 5134.238507][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.238507][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5134.238507][ T73] ipv6_find_idev+0x102/0x170 [ 5134.238507][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.238507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.238507][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.238507][ T73] netlink_unicast+0x449/0x710 [ 5134.238507][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.238507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.238507][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.238507][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.238507][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.238507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.238507][ T73] [ 5134.240224][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5134.240224][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5134.240224][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5134.240224][ T73] ipv6_find_idev+0x102/0x170 [ 5134.240224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.240224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.240224][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.240224][ T73] netlink_unicast+0x449/0x710 [ 5134.240224][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.240224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.240224][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.240224][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.240224][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.240224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.240224][ T73] [ 5134.242168][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5134.242440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5134.242440][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.242440][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.242440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.242440][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5134.242440][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5134.242440][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5134.242440][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5134.242440][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5134.242440][ T73] addrconf_dad_begin+0x310/0x670 [ 5134.242440][ T73] addrconf_dad_work+0x10b/0xab0 [ 5134.242440][ T73] process_one_work+0x84d/0x18a0 [ 5134.242440][ T73] worker_thread+0x587/0xd30 [ 5134.242440][ T73] kthread+0x28a/0x350 [ 5134.242440][ T73] ret_from_fork+0x31/0x70 [ 5134.242440][ T73] ret_from_fork_asm+0x1a/0x30 [ 5134.242440][ T73] [ 5134.244582][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5134.244582][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.244582][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.244582][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.244582][ T73] ip6_route_add+0x1c/0x140 [ 5134.244582][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5134.244582][ T73] inet6_addr_add+0x4f8/0xa40 [ 5134.244582][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.244582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.244582][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.244582][ T73] netlink_unicast+0x449/0x710 [ 5134.244582][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.244582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.244582][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.244582][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.244582][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.244582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.244582][ T73] [ 5134.247289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5134.247289][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.247289][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.247289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.247289][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5134.247289][ T73] ipv6_add_addr+0x411/0x2000 [ 5134.247289][ T73] inet6_addr_add+0x30e/0xa40 [ 5134.247289][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.247289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.247289][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.247289][ T73] netlink_unicast+0x449/0x710 [ 5134.247289][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.247289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.247289][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.247289][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.247289][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.247289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.247289][ T73] [ 5134.249538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5134.249538][ T73] netdev_get_by_index+0x5e/0x80 [ 5134.249538][ T73] fib6_nh_init+0x3d8/0x1580 [ 5134.249538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5134.249538][ T73] ip6_route_add+0x1c/0x140 [ 5134.249538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5134.249538][ T73] addrconf_add_dev+0xe2/0x170 [ 5134.249538][ T73] inet6_addr_add+0x12f/0xa40 [ 5134.249538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.249538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.249538][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.249538][ T73] netlink_unicast+0x449/0x710 [ 5134.249538][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.249538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.249538][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.249538][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.249538][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.249538][ T73] [ 5134.251752][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5134.251752][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5134.251752][ T73] ipv6_find_idev+0x102/0x170 [ 5134.251752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.251752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.251752][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.251752][ T73] netlink_unicast+0x449/0x710 [ 5134.251752][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.251752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.251752][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.251752][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.251752][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.251752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.251752][ T73] [ 5134.253461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5134.253461][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5134.253461][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5134.253461][ T73] ipv6_find_idev+0x102/0x170 [ 5134.253461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.253461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.253461][ T73] netlink_rcv_skb+0x130/0x360 [ 5134.253461][ T73] netlink_unicast+0x449/0x710 [ 5134.253461][ T73] netlink_sendmsg+0x723/0xbe0 [ 5134.253461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5134.253461][ T73] ___sys_sendmsg+0xee/0x170 [ 5134.253461][ T73] __sys_sendmsg+0xcd/0x170 [ 5134.253461][ T73] do_syscall_64+0xc6/0x1e0 [ 5134.253461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.253461][ T73] [ 5144.494891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5144.495281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.495281][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5144.495281][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5144.495281][ T73] fib6_nh_init+0xa22/0x1580 [ 5144.495281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.495281][ T73] ip6_route_add+0x1c/0x140 [ 5144.495281][ T73] inet6_rtm_newroute+0x104/0x110 [ 5144.495281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.495281][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.495281][ T73] netlink_unicast+0x449/0x710 [ 5144.495281][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.495281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.495281][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.495281][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.495281][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.495281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.495281][ T73] [ 5144.497199][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.497199][ T73] dst_init+0x84/0x4a0 [ 5144.497199][ T73] dst_alloc+0x97/0x150 [ 5144.497199][ T73] ip6_dst_alloc+0x23/0x90 [ 5144.497199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5144.497199][ T73] ip6_pol_route+0x56f/0x840 [ 5144.497199][ T73] fib6_rule_lookup+0x456/0x630 [ 5144.497199][ T73] ip6_route_input+0x59c/0xa50 [ 5144.497199][ T73] ipv6_rcv+0x397/0x810 [ 5144.497199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5144.497199][ T73] process_backlog+0x101/0x620 [ 5144.497199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5144.497199][ T73] net_rx_action+0x495/0xbe0 [ 5144.497199][ T73] __do_softirq+0x1b5/0x7f6 [ 5144.497199][ T73] [ 5144.498841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.498841][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.498841][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.498841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.498841][ T73] ip6_route_add+0x1c/0x140 [ 5144.498841][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5144.498841][ T73] inet6_addr_add+0x4f8/0xa40 [ 5144.498841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.498841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.498841][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.498841][ T73] netlink_unicast+0x449/0x710 [ 5144.498841][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.498841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.498841][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.498841][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.498841][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.498841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.498841][ T73] [ 5144.500840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.500840][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.500840][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.500840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.500840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5144.500840][ T73] ipv6_add_addr+0x411/0x2000 [ 5144.500840][ T73] inet6_addr_add+0x30e/0xa40 [ 5144.500840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.500840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.500840][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.500840][ T73] netlink_unicast+0x449/0x710 [ 5144.500840][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.500840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.500840][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.500840][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.500840][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.500840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.500840][ T73] [ 5144.502847][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.502847][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.502847][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.502847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.502847][ T73] ip6_route_add+0x1c/0x140 [ 5144.502847][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5144.502847][ T73] addrconf_add_dev+0xe2/0x170 [ 5144.502847][ T73] inet6_addr_add+0x12f/0xa40 [ 5144.502847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.502847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.502847][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.502847][ T73] netlink_unicast+0x449/0x710 [ 5144.502847][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.502847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.502847][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.502847][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.502847][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.502847][ T73] [ 5144.504795][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.504795][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5144.504795][ T73] ipv6_find_idev+0x102/0x170 [ 5144.504795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.504795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.504795][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.504795][ T73] netlink_unicast+0x449/0x710 [ 5144.504795][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.504795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.504795][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.504795][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.504795][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.504795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.504795][ T73] [ 5144.506337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5144.506337][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5144.506337][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5144.506337][ T73] ipv6_find_idev+0x102/0x170 [ 5144.506337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.506337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.506337][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.506337][ T73] netlink_unicast+0x449/0x710 [ 5144.506337][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.506337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.506337][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.506337][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.506337][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.506337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.506337][ T73] [ 5144.508034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5144.508306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.508306][ T73] dst_init+0x84/0x4a0 [ 5144.508306][ T73] dst_alloc+0x97/0x150 [ 5144.508306][ T73] ip6_dst_alloc+0x23/0x90 [ 5144.508306][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5144.508306][ T73] ip6_pol_route+0x56f/0x840 [ 5144.508306][ T73] fib6_rule_lookup+0x456/0x630 [ 5144.508306][ T73] ip6_route_input+0x59c/0xa50 [ 5144.508306][ T73] ipv6_rcv+0x397/0x810 [ 5144.508306][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5144.508306][ T73] process_backlog+0x101/0x620 [ 5144.508306][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5144.508306][ T73] net_rx_action+0x495/0xbe0 [ 5144.508306][ T73] __do_softirq+0x1b5/0x7f6 [ 5144.508306][ T73] [ 5144.509938][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.509938][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.509938][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.509938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.509938][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5144.509938][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5144.509938][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5144.509938][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5144.509938][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5144.509938][ T73] addrconf_dad_begin+0x310/0x670 [ 5144.509938][ T73] addrconf_dad_work+0x10b/0xab0 [ 5144.509938][ T73] process_one_work+0x84d/0x18a0 [ 5144.509938][ T73] worker_thread+0x587/0xd30 [ 5144.509938][ T73] kthread+0x28a/0x350 [ 5144.509938][ T73] ret_from_fork+0x31/0x70 [ 5144.509938][ T73] ret_from_fork_asm+0x1a/0x30 [ 5144.509938][ T73] [ 5144.511846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.511846][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.511846][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.511846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.511846][ T73] ip6_route_add+0x1c/0x140 [ 5144.511846][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5144.511846][ T73] inet6_addr_add+0x4f8/0xa40 [ 5144.511846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.511846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.511846][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.511846][ T73] netlink_unicast+0x449/0x710 [ 5144.511846][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.511846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.511846][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.511846][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.511846][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.511846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.511846][ T73] [ 5144.513839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.513839][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.513839][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.513839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.513839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5144.513839][ T73] ipv6_add_addr+0x411/0x2000 [ 5144.513839][ T73] inet6_addr_add+0x30e/0xa40 [ 5144.513839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.513839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.513839][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.513839][ T73] netlink_unicast+0x449/0x710 [ 5144.513839][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.513839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.513839][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.513839][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.513839][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.513839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.513839][ T73] [ 5144.515827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.515827][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.515827][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.515827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.515827][ T73] ip6_route_add+0x1c/0x140 [ 5144.515827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5144.515827][ T73] addrconf_add_dev+0xe2/0x170 [ 5144.515827][ T73] inet6_addr_add+0x12f/0xa40 [ 5144.515827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.515827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.515827][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.515827][ T73] netlink_unicast+0x449/0x710 [ 5144.515827][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.515827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.515827][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.515827][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.515827][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.515827][ T73] [ 5144.517829][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.517829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5144.517829][ T73] ipv6_find_idev+0x102/0x170 [ 5144.517829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.517829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.517829][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.517829][ T73] netlink_unicast+0x449/0x710 [ 5144.517829][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.517829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.517829][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.517829][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.517829][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.517829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.517829][ T73] [ 5144.519418][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5144.519418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5144.519418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5144.519418][ T73] ipv6_find_idev+0x102/0x170 [ 5144.519418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.519418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.519418][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.519418][ T73] netlink_unicast+0x449/0x710 [ 5144.519418][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.519418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.519418][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.519418][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.519418][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.519418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.519418][ T73] [ 5144.521235][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5144.521500][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.521500][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5144.521500][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5144.521500][ T73] fib6_nh_init+0xa22/0x1580 [ 5144.521500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.521500][ T73] ip6_route_add+0x1c/0x140 [ 5144.521500][ T73] inet6_rtm_newroute+0x104/0x110 [ 5144.521500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.521500][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.521500][ T73] netlink_unicast+0x449/0x710 [ 5144.521500][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.521500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.521500][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.521500][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.521500][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.521500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.521500][ T73] [ 5144.523607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.523607][ T73] dst_init+0x84/0x4a0 [ 5144.523607][ T73] dst_alloc+0x97/0x150 [ 5144.523607][ T73] ip6_dst_alloc+0x23/0x90 [ 5144.523607][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5144.523607][ T73] ip6_pol_route+0x56f/0x840 [ 5144.523607][ T73] fib6_rule_lookup+0x456/0x630 [ 5144.523607][ T73] ip6_route_input+0x59c/0xa50 [ 5144.523607][ T73] ipv6_rcv+0x397/0x810 [ 5144.523607][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5144.523607][ T73] process_backlog+0x101/0x620 [ 5144.523607][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5144.523607][ T73] net_rx_action+0x495/0xbe0 [ 5144.523607][ T73] __do_softirq+0x1b5/0x7f6 [ 5144.523607][ T73] [ 5144.525572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.525572][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.525572][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.525572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.525572][ T73] ip6_route_add+0x1c/0x140 [ 5144.525572][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5144.525572][ T73] inet6_addr_add+0x4f8/0xa40 [ 5144.525572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.525572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.525572][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.525572][ T73] netlink_unicast+0x449/0x710 [ 5144.525572][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.525572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.525572][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.525572][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.525572][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.525572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.525572][ T73] [ 5144.527912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.527912][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.527912][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.527912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.527912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5144.527912][ T73] ipv6_add_addr+0x411/0x2000 [ 5144.527912][ T73] inet6_addr_add+0x30e/0xa40 [ 5144.527912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.527912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.527912][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.527912][ T73] netlink_unicast+0x449/0x710 [ 5144.527912][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.527912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.527912][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.527912][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.527912][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.527912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.527912][ T73] [ 5144.530202][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.530202][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.530202][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.530202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.530202][ T73] ip6_route_add+0x1c/0x140 [ 5144.530202][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5144.530202][ T73] addrconf_add_dev+0xe2/0x170 [ 5144.530202][ T73] inet6_addr_add+0x12f/0xa40 [ 5144.530202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.530202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.530202][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.530202][ T73] netlink_unicast+0x449/0x710 [ 5144.530202][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.530202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.530202][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.530202][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.530202][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.530202][ T73] [ 5144.532555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.532555][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5144.532555][ T73] ipv6_find_idev+0x102/0x170 [ 5144.532555][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.532555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.532555][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.532555][ T73] netlink_unicast+0x449/0x710 [ 5144.532555][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.532555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.532555][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.532555][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.532555][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.532555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.532555][ T73] [ 5144.534327][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5144.534327][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5144.534327][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5144.534327][ T73] ipv6_find_idev+0x102/0x170 [ 5144.534327][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.534327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.534327][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.534327][ T73] netlink_unicast+0x449/0x710 [ 5144.534327][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.534327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.534327][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.534327][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.534327][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.534327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.534327][ T73] [ 5144.536200][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5144.536467][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5144.536467][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.536467][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.536467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.536467][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5144.536467][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5144.536467][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5144.536467][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5144.536467][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5144.536467][ T73] addrconf_dad_begin+0x310/0x670 [ 5144.536467][ T73] addrconf_dad_work+0x10b/0xab0 [ 5144.536467][ T73] process_one_work+0x84d/0x18a0 [ 5144.536467][ T73] worker_thread+0x587/0xd30 [ 5144.536467][ T73] kthread+0x28a/0x350 [ 5144.536467][ T73] ret_from_fork+0x31/0x70 [ 5144.536467][ T73] ret_from_fork_asm+0x1a/0x30 [ 5144.536467][ T73] [ 5144.538633][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5144.538633][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.538633][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.538633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.538633][ T73] ip6_route_add+0x1c/0x140 [ 5144.538633][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5144.538633][ T73] inet6_addr_add+0x4f8/0xa40 [ 5144.538633][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.538633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.538633][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.538633][ T73] netlink_unicast+0x449/0x710 [ 5144.538633][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.538633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.538633][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.538633][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.538633][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.538633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.538633][ T73] [ 5144.540926][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5144.540926][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.540926][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.540926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.540926][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5144.540926][ T73] ipv6_add_addr+0x411/0x2000 [ 5144.540926][ T73] inet6_addr_add+0x30e/0xa40 [ 5144.540926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.540926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.540926][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.540926][ T73] netlink_unicast+0x449/0x710 [ 5144.540926][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.540926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.540926][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.540926][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.540926][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.540926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.540926][ T73] [ 5144.543153][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5144.543153][ T73] netdev_get_by_index+0x5e/0x80 [ 5144.543153][ T73] fib6_nh_init+0x3d8/0x1580 [ 5144.543153][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5144.543153][ T73] ip6_route_add+0x1c/0x140 [ 5144.543153][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5144.543153][ T73] addrconf_add_dev+0xe2/0x170 [ 5144.543153][ T73] inet6_addr_add+0x12f/0xa40 [ 5144.543153][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.543153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.543153][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.543153][ T73] netlink_unicast+0x449/0x710 [ 5144.543153][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.543153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.543153][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.543153][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.543153][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.543153][ T73] [ 5144.545276][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5144.545276][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5144.545276][ T73] ipv6_find_idev+0x102/0x170 [ 5144.545276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.545276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.545276][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.545276][ T73] netlink_unicast+0x449/0x710 [ 5144.545276][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.545276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.545276][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.545276][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.545276][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.545276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.545276][ T73] [ 5144.547007][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5144.547007][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5144.547007][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5144.547007][ T73] ipv6_find_idev+0x102/0x170 [ 5144.547007][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.547007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.547007][ T73] netlink_rcv_skb+0x130/0x360 [ 5144.547007][ T73] netlink_unicast+0x449/0x710 [ 5144.547007][ T73] netlink_sendmsg+0x723/0xbe0 [ 5144.547007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5144.547007][ T73] ___sys_sendmsg+0xee/0x170 [ 5144.547007][ T73] __sys_sendmsg+0xcd/0x170 [ 5144.547007][ T73] do_syscall_64+0xc6/0x1e0 [ 5144.547007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.547007][ T73] [ 5154.550977][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5154.551429][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.551429][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5154.551429][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5154.551429][ T73] fib6_nh_init+0xa22/0x1580 [ 5154.551429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.551429][ T73] ip6_route_add+0x1c/0x140 [ 5154.551429][ T73] inet6_rtm_newroute+0x104/0x110 [ 5154.551429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.551429][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.551429][ T73] netlink_unicast+0x449/0x710 [ 5154.551429][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.551429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.551429][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.551429][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.551429][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.551429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.551429][ T73] [ 5154.553308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.553308][ T73] dst_init+0x84/0x4a0 [ 5154.553308][ T73] dst_alloc+0x97/0x150 [ 5154.553308][ T73] ip6_dst_alloc+0x23/0x90 [ 5154.553308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5154.553308][ T73] ip6_pol_route+0x56f/0x840 [ 5154.553308][ T73] fib6_rule_lookup+0x456/0x630 [ 5154.553308][ T73] ip6_route_input+0x59c/0xa50 [ 5154.553308][ T73] ipv6_rcv+0x397/0x810 [ 5154.553308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5154.553308][ T73] process_backlog+0x101/0x620 [ 5154.553308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5154.553308][ T73] net_rx_action+0x495/0xbe0 [ 5154.553308][ T73] __do_softirq+0x1b5/0x7f6 [ 5154.553308][ T73] [ 5154.554937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.554937][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.554937][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.554937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.554937][ T73] ip6_route_add+0x1c/0x140 [ 5154.554937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5154.554937][ T73] inet6_addr_add+0x4f8/0xa40 [ 5154.554937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.554937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.554937][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.554937][ T73] netlink_unicast+0x449/0x710 [ 5154.554937][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.554937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.554937][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.554937][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.554937][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.554937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.554937][ T73] [ 5154.556930][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.556930][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.556930][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.556930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.556930][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5154.556930][ T73] ipv6_add_addr+0x411/0x2000 [ 5154.556930][ T73] inet6_addr_add+0x30e/0xa40 [ 5154.556930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.556930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.556930][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.556930][ T73] netlink_unicast+0x449/0x710 [ 5154.556930][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.556930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.556930][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.556930][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.556930][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.556930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.556930][ T73] [ 5154.558910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.558910][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.558910][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.558910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.558910][ T73] ip6_route_add+0x1c/0x140 [ 5154.558910][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5154.558910][ T73] addrconf_add_dev+0xe2/0x170 [ 5154.558910][ T73] inet6_addr_add+0x12f/0xa40 [ 5154.558910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.558910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.558910][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.558910][ T73] netlink_unicast+0x449/0x710 [ 5154.558910][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.558910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.558910][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.558910][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.558910][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.558910][ T73] [ 5154.560857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.560857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5154.560857][ T73] ipv6_find_idev+0x102/0x170 [ 5154.560857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.560857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.560857][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.560857][ T73] netlink_unicast+0x449/0x710 [ 5154.560857][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.560857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.560857][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.560857][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.560857][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.560857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.560857][ T73] [ 5154.562380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5154.562380][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5154.562380][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5154.562380][ T73] ipv6_find_idev+0x102/0x170 [ 5154.562380][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.562380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.562380][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.562380][ T73] netlink_unicast+0x449/0x710 [ 5154.562380][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.562380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.562380][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.562380][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.562380][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.562380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.562380][ T73] [ 5154.564056][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5154.564332][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.564332][ T73] dst_init+0x84/0x4a0 [ 5154.564332][ T73] dst_alloc+0x97/0x150 [ 5154.564332][ T73] ip6_dst_alloc+0x23/0x90 [ 5154.564332][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5154.564332][ T73] ip6_pol_route+0x56f/0x840 [ 5154.564332][ T73] fib6_rule_lookup+0x456/0x630 [ 5154.564332][ T73] ip6_route_input+0x59c/0xa50 [ 5154.564332][ T73] ipv6_rcv+0x397/0x810 [ 5154.564332][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5154.564332][ T73] process_backlog+0x101/0x620 [ 5154.564332][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5154.564332][ T73] net_rx_action+0x495/0xbe0 [ 5154.564332][ T73] __do_softirq+0x1b5/0x7f6 [ 5154.564332][ T73] [ 5154.565965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.565965][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.565965][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.565965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.565965][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5154.565965][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5154.565965][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5154.565965][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5154.565965][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5154.565965][ T73] addrconf_dad_begin+0x310/0x670 [ 5154.565965][ T73] addrconf_dad_work+0x10b/0xab0 [ 5154.565965][ T73] process_one_work+0x84d/0x18a0 [ 5154.565965][ T73] worker_thread+0x587/0xd30 [ 5154.565965][ T73] kthread+0x28a/0x350 [ 5154.565965][ T73] ret_from_fork+0x31/0x70 [ 5154.565965][ T73] ret_from_fork_asm+0x1a/0x30 [ 5154.565965][ T73] [ 5154.567857][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.567857][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.567857][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.567857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.567857][ T73] ip6_route_add+0x1c/0x140 [ 5154.567857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5154.567857][ T73] inet6_addr_add+0x4f8/0xa40 [ 5154.567857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.567857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.567857][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.567857][ T73] netlink_unicast+0x449/0x710 [ 5154.567857][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.567857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.567857][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.567857][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.567857][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.567857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.567857][ T73] [ 5154.569827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.569827][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.569827][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.569827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.569827][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5154.569827][ T73] ipv6_add_addr+0x411/0x2000 [ 5154.569827][ T73] inet6_addr_add+0x30e/0xa40 [ 5154.569827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.569827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.569827][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.569827][ T73] netlink_unicast+0x449/0x710 [ 5154.569827][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.569827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.569827][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.569827][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.569827][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.569827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.569827][ T73] [ 5154.571797][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.571797][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.571797][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.571797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.571797][ T73] ip6_route_add+0x1c/0x140 [ 5154.571797][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5154.571797][ T73] addrconf_add_dev+0xe2/0x170 [ 5154.571797][ T73] inet6_addr_add+0x12f/0xa40 [ 5154.571797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.571797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.571797][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.571797][ T73] netlink_unicast+0x449/0x710 [ 5154.571797][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.571797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.571797][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.571797][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.571797][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.571797][ T73] [ 5154.573739][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.573739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5154.573739][ T73] ipv6_find_idev+0x102/0x170 [ 5154.573739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.573739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.573739][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.573739][ T73] netlink_unicast+0x449/0x710 [ 5154.573739][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.573739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.573739][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.573739][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.573739][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.573739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.573739][ T73] [ 5154.575257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5154.575257][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5154.575257][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5154.575257][ T73] ipv6_find_idev+0x102/0x170 [ 5154.575257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.575257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.575257][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.575257][ T73] netlink_unicast+0x449/0x710 [ 5154.575257][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.575257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.575257][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.575257][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.575257][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.575257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.575257][ T73] [ 5154.577059][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5154.577330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.577330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5154.577330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5154.577330][ T73] fib6_nh_init+0xa22/0x1580 [ 5154.577330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.577330][ T73] ip6_route_add+0x1c/0x140 [ 5154.577330][ T73] inet6_rtm_newroute+0x104/0x110 [ 5154.577330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.577330][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.577330][ T73] netlink_unicast+0x449/0x710 [ 5154.577330][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.577330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.577330][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.577330][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.577330][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.577330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.577330][ T73] [ 5154.579489][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.579489][ T73] dst_init+0x84/0x4a0 [ 5154.579489][ T73] dst_alloc+0x97/0x150 [ 5154.579489][ T73] ip6_dst_alloc+0x23/0x90 [ 5154.579489][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5154.579489][ T73] ip6_pol_route+0x56f/0x840 [ 5154.579489][ T73] fib6_rule_lookup+0x456/0x630 [ 5154.579489][ T73] ip6_route_input+0x59c/0xa50 [ 5154.579489][ T73] ipv6_rcv+0x397/0x810 [ 5154.579489][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5154.579489][ T73] process_backlog+0x101/0x620 [ 5154.579489][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5154.579489][ T73] net_rx_action+0x495/0xbe0 [ 5154.579489][ T73] __do_softirq+0x1b5/0x7f6 [ 5154.579489][ T73] [ 5154.581288][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.581288][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.581288][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.581288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.581288][ T73] ip6_route_add+0x1c/0x140 [ 5154.581288][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5154.581288][ T73] inet6_addr_add+0x4f8/0xa40 [ 5154.581288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.581288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.581288][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.581288][ T73] netlink_unicast+0x449/0x710 [ 5154.581288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.581288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.581288][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.581288][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.581288][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.581288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.581288][ T73] [ 5154.583507][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.583507][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.583507][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.583507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.583507][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5154.583507][ T73] ipv6_add_addr+0x411/0x2000 [ 5154.583507][ T73] inet6_addr_add+0x30e/0xa40 [ 5154.583507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.583507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.583507][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.583507][ T73] netlink_unicast+0x449/0x710 [ 5154.583507][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.583507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.583507][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.583507][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.583507][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.583507][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.583507][ T73] [ 5154.585729][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.585729][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.585729][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.585729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.585729][ T73] ip6_route_add+0x1c/0x140 [ 5154.585729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5154.585729][ T73] addrconf_add_dev+0xe2/0x170 [ 5154.585729][ T73] inet6_addr_add+0x12f/0xa40 [ 5154.585729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.585729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.585729][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.585729][ T73] netlink_unicast+0x449/0x710 [ 5154.585729][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.585729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.585729][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.585729][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.585729][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.585729][ T73] [ 5154.587987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.587987][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5154.587987][ T73] ipv6_find_idev+0x102/0x170 [ 5154.587987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.587987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.587987][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.587987][ T73] netlink_unicast+0x449/0x710 [ 5154.587987][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.587987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.587987][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.587987][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.587987][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.587987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.587987][ T73] [ 5154.589696][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5154.589696][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5154.589696][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5154.589696][ T73] ipv6_find_idev+0x102/0x170 [ 5154.589696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.589696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.589696][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.589696][ T73] netlink_unicast+0x449/0x710 [ 5154.589696][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.589696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.589696][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.589696][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.589696][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.589696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.589696][ T73] [ 5154.591552][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5154.591820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5154.591820][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.591820][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.591820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.591820][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5154.591820][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5154.591820][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5154.591820][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5154.591820][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5154.591820][ T73] addrconf_dad_begin+0x310/0x670 [ 5154.591820][ T73] addrconf_dad_work+0x10b/0xab0 [ 5154.591820][ T73] process_one_work+0x84d/0x18a0 [ 5154.591820][ T73] worker_thread+0x587/0xd30 [ 5154.591820][ T73] kthread+0x28a/0x350 [ 5154.591820][ T73] ret_from_fork+0x31/0x70 [ 5154.591820][ T73] ret_from_fork_asm+0x1a/0x30 [ 5154.591820][ T73] [ 5154.593955][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5154.593955][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.593955][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.593955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.593955][ T73] ip6_route_add+0x1c/0x140 [ 5154.593955][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5154.593955][ T73] inet6_addr_add+0x4f8/0xa40 [ 5154.593955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.593955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.593955][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.593955][ T73] netlink_unicast+0x449/0x710 [ 5154.593955][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.593955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.593955][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.593955][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.593955][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.593955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.593955][ T73] [ 5154.596181][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5154.596181][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.596181][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.596181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.596181][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5154.596181][ T73] ipv6_add_addr+0x411/0x2000 [ 5154.596181][ T73] inet6_addr_add+0x30e/0xa40 [ 5154.596181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.596181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.596181][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.596181][ T73] netlink_unicast+0x449/0x710 [ 5154.596181][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.596181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.596181][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.596181][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.596181][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.596181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.596181][ T73] [ 5154.598470][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5154.598470][ T73] netdev_get_by_index+0x5e/0x80 [ 5154.598470][ T73] fib6_nh_init+0x3d8/0x1580 [ 5154.598470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5154.598470][ T73] ip6_route_add+0x1c/0x140 [ 5154.598470][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5154.598470][ T73] addrconf_add_dev+0xe2/0x170 [ 5154.598470][ T73] inet6_addr_add+0x12f/0xa40 [ 5154.598470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.598470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.598470][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.598470][ T73] netlink_unicast+0x449/0x710 [ 5154.598470][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.598470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.598470][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.598470][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.598470][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.598470][ T73] [ 5154.600595][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5154.600595][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5154.600595][ T73] ipv6_find_idev+0x102/0x170 [ 5154.600595][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.600595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.600595][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.600595][ T73] netlink_unicast+0x449/0x710 [ 5154.600595][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.600595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.600595][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.600595][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.600595][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.600595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.600595][ T73] [ 5154.602300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5154.602300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5154.602300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5154.602300][ T73] ipv6_find_idev+0x102/0x170 [ 5154.602300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.602300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.602300][ T73] netlink_rcv_skb+0x130/0x360 [ 5154.602300][ T73] netlink_unicast+0x449/0x710 [ 5154.602300][ T73] netlink_sendmsg+0x723/0xbe0 [ 5154.602300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5154.602300][ T73] ___sys_sendmsg+0xee/0x170 [ 5154.602300][ T73] __sys_sendmsg+0xcd/0x170 [ 5154.602300][ T73] do_syscall_64+0xc6/0x1e0 [ 5154.602300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.602300][ T73] [ 5164.782913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5164.783378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.783378][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5164.783378][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5164.783378][ T73] fib6_nh_init+0xa22/0x1580 [ 5164.783378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.783378][ T73] ip6_route_add+0x1c/0x140 [ 5164.783378][ T73] inet6_rtm_newroute+0x104/0x110 [ 5164.783378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.783378][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.783378][ T73] netlink_unicast+0x449/0x710 [ 5164.783378][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.783378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.783378][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.783378][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.783378][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.783378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.783378][ T73] [ 5164.785779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.785779][ T73] dst_init+0x84/0x4a0 [ 5164.785779][ T73] dst_alloc+0x97/0x150 [ 5164.785779][ T73] ip6_dst_alloc+0x23/0x90 [ 5164.785779][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5164.785779][ T73] ip6_pol_route+0x56f/0x840 [ 5164.785779][ T73] fib6_rule_lookup+0x456/0x630 [ 5164.785779][ T73] ip6_route_input+0x59c/0xa50 [ 5164.785779][ T73] ipv6_rcv+0x397/0x810 [ 5164.785779][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5164.785779][ T73] process_backlog+0x101/0x620 [ 5164.785779][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5164.785779][ T73] net_rx_action+0x495/0xbe0 [ 5164.785779][ T73] __do_softirq+0x1b5/0x7f6 [ 5164.785779][ T73] [ 5164.787408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.787408][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.787408][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.787408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.787408][ T73] ip6_route_add+0x1c/0x140 [ 5164.787408][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5164.787408][ T73] inet6_addr_add+0x4f8/0xa40 [ 5164.787408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.787408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.787408][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.787408][ T73] netlink_unicast+0x449/0x710 [ 5164.787408][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.787408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.787408][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.787408][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.787408][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.787408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.787408][ T73] [ 5164.789385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.789385][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.789385][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.789385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.789385][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5164.789385][ T73] ipv6_add_addr+0x411/0x2000 [ 5164.789385][ T73] inet6_addr_add+0x30e/0xa40 [ 5164.789385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.789385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.789385][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.789385][ T73] netlink_unicast+0x449/0x710 [ 5164.789385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.789385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.789385][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.789385][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.789385][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.789385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.789385][ T73] [ 5164.791372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.791372][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.791372][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.791372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.791372][ T73] ip6_route_add+0x1c/0x140 [ 5164.791372][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5164.791372][ T73] addrconf_add_dev+0xe2/0x170 [ 5164.791372][ T73] inet6_addr_add+0x12f/0xa40 [ 5164.791372][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.791372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.791372][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.791372][ T73] netlink_unicast+0x449/0x710 [ 5164.791372][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.791372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.791372][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.791372][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.791372][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.791372][ T73] [ 5164.793316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.793316][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5164.793316][ T73] ipv6_find_idev+0x102/0x170 [ 5164.793316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.793316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.793316][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.793316][ T73] netlink_unicast+0x449/0x710 [ 5164.793316][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.793316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.793316][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.793316][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.793316][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.793316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.793316][ T73] [ 5164.794845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5164.794845][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5164.794845][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5164.794845][ T73] ipv6_find_idev+0x102/0x170 [ 5164.794845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.794845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.794845][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.794845][ T73] netlink_unicast+0x449/0x710 [ 5164.794845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.794845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.794845][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.794845][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.794845][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.794845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.794845][ T73] [ 5164.796920][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5164.797188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.797188][ T73] dst_init+0x84/0x4a0 [ 5164.797188][ T73] dst_alloc+0x97/0x150 [ 5164.797188][ T73] ip6_dst_alloc+0x23/0x90 [ 5164.797188][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5164.797188][ T73] ip6_pol_route+0x56f/0x840 [ 5164.797188][ T73] fib6_rule_lookup+0x456/0x630 [ 5164.797188][ T73] ip6_route_input+0x59c/0xa50 [ 5164.797188][ T73] ipv6_rcv+0x397/0x810 [ 5164.797188][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5164.797188][ T73] process_backlog+0x101/0x620 [ 5164.797188][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5164.797188][ T73] net_rx_action+0x495/0xbe0 [ 5164.797188][ T73] __do_softirq+0x1b5/0x7f6 [ 5164.797188][ T73] [ 5164.798809][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.798809][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.798809][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.798809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.798809][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5164.798809][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5164.798809][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5164.798809][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5164.798809][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5164.798809][ T73] addrconf_dad_begin+0x310/0x670 [ 5164.798809][ T73] addrconf_dad_work+0x10b/0xab0 [ 5164.798809][ T73] process_one_work+0x84d/0x18a0 [ 5164.798809][ T73] worker_thread+0x587/0xd30 [ 5164.798809][ T73] kthread+0x28a/0x350 [ 5164.798809][ T73] ret_from_fork+0x31/0x70 [ 5164.798809][ T73] ret_from_fork_asm+0x1a/0x30 [ 5164.798809][ T73] [ 5164.800693][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.800693][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.800693][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.800693][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.800693][ T73] ip6_route_add+0x1c/0x140 [ 5164.800693][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5164.800693][ T73] inet6_addr_add+0x4f8/0xa40 [ 5164.800693][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.800693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.800693][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.800693][ T73] netlink_unicast+0x449/0x710 [ 5164.800693][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.800693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.800693][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.800693][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.800693][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.800693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.800693][ T73] [ 5164.802666][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.802666][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.802666][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.802666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.802666][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5164.802666][ T73] ipv6_add_addr+0x411/0x2000 [ 5164.802666][ T73] inet6_addr_add+0x30e/0xa40 [ 5164.802666][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.802666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.802666][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.802666][ T73] netlink_unicast+0x449/0x710 [ 5164.802666][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.802666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.802666][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.802666][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.802666][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.802666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.802666][ T73] [ 5164.804647][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.804647][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.804647][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.804647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.804647][ T73] ip6_route_add+0x1c/0x140 [ 5164.804647][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5164.804647][ T73] addrconf_add_dev+0xe2/0x170 [ 5164.804647][ T73] inet6_addr_add+0x12f/0xa40 [ 5164.804647][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.804647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.804647][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.804647][ T73] netlink_unicast+0x449/0x710 [ 5164.804647][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.804647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.804647][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.804647][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.804647][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.804647][ T73] [ 5164.806589][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.806589][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5164.806589][ T73] ipv6_find_idev+0x102/0x170 [ 5164.806589][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.806589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.806589][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.806589][ T73] netlink_unicast+0x449/0x710 [ 5164.806589][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.806589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.806589][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.806589][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.806589][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.806589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.806589][ T73] [ 5164.808118][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5164.808118][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5164.808118][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5164.808118][ T73] ipv6_find_idev+0x102/0x170 [ 5164.808118][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.808118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.808118][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.808118][ T73] netlink_unicast+0x449/0x710 [ 5164.808118][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.808118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.808118][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.808118][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.808118][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.808118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.808118][ T73] [ 5164.809905][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5164.810167][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.810167][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5164.810167][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5164.810167][ T73] fib6_nh_init+0xa22/0x1580 [ 5164.810167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.810167][ T73] ip6_route_add+0x1c/0x140 [ 5164.810167][ T73] inet6_rtm_newroute+0x104/0x110 [ 5164.810167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.810167][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.810167][ T73] netlink_unicast+0x449/0x710 [ 5164.810167][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.810167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.810167][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.810167][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.810167][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.810167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.810167][ T73] [ 5164.812258][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.812258][ T73] dst_init+0x84/0x4a0 [ 5164.812258][ T73] dst_alloc+0x97/0x150 [ 5164.812258][ T73] ip6_dst_alloc+0x23/0x90 [ 5164.812258][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5164.812258][ T73] ip6_pol_route+0x56f/0x840 [ 5164.812258][ T73] fib6_rule_lookup+0x456/0x630 [ 5164.812258][ T73] ip6_route_input+0x59c/0xa50 [ 5164.812258][ T73] ipv6_rcv+0x397/0x810 [ 5164.812258][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5164.812258][ T73] process_backlog+0x101/0x620 [ 5164.812258][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5164.812258][ T73] net_rx_action+0x495/0xbe0 [ 5164.812258][ T73] __do_softirq+0x1b5/0x7f6 [ 5164.812258][ T73] [ 5164.814059][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.814059][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.814059][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.814059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.814059][ T73] ip6_route_add+0x1c/0x140 [ 5164.814059][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5164.814059][ T73] inet6_addr_add+0x4f8/0xa40 [ 5164.814059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.814059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.814059][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.814059][ T73] netlink_unicast+0x449/0x710 [ 5164.814059][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.814059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.814059][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.814059][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.814059][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.814059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.814059][ T73] [ 5164.816333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.816333][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.816333][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.816333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.816333][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5164.816333][ T73] ipv6_add_addr+0x411/0x2000 [ 5164.816333][ T73] inet6_addr_add+0x30e/0xa40 [ 5164.816333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.816333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.816333][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.816333][ T73] netlink_unicast+0x449/0x710 [ 5164.816333][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.816333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.816333][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.816333][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.816333][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.816333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.816333][ T73] [ 5164.818501][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.818501][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.818501][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.818501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.818501][ T73] ip6_route_add+0x1c/0x140 [ 5164.818501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5164.818501][ T73] addrconf_add_dev+0xe2/0x170 [ 5164.818501][ T73] inet6_addr_add+0x12f/0xa40 [ 5164.818501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.818501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.818501][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.818501][ T73] netlink_unicast+0x449/0x710 [ 5164.818501][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.818501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.818501][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.818501][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.818501][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.818501][ T73] [ 5164.820690][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.820690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5164.820690][ T73] ipv6_find_idev+0x102/0x170 [ 5164.820690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.820690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.820690][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.820690][ T73] netlink_unicast+0x449/0x710 [ 5164.820690][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.820690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.820690][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.820690][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.820690][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.820690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.820690][ T73] [ 5164.822391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5164.822391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5164.822391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5164.822391][ T73] ipv6_find_idev+0x102/0x170 [ 5164.822391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.822391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.822391][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.822391][ T73] netlink_unicast+0x449/0x710 [ 5164.822391][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.822391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.822391][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.822391][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.822391][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.822391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.822391][ T73] [ 5164.824294][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5164.824562][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5164.824562][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.824562][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.824562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.824562][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5164.824562][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5164.824562][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5164.824562][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5164.824562][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5164.824562][ T73] addrconf_dad_begin+0x310/0x670 [ 5164.824562][ T73] addrconf_dad_work+0x10b/0xab0 [ 5164.824562][ T73] process_one_work+0x84d/0x18a0 [ 5164.824562][ T73] worker_thread+0x587/0xd30 [ 5164.824562][ T73] kthread+0x28a/0x350 [ 5164.824562][ T73] ret_from_fork+0x31/0x70 [ 5164.824562][ T73] ret_from_fork_asm+0x1a/0x30 [ 5164.824562][ T73] [ 5164.827063][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5164.827063][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.827063][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.827063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.827063][ T73] ip6_route_add+0x1c/0x140 [ 5164.827063][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5164.827063][ T73] inet6_addr_add+0x4f8/0xa40 [ 5164.827063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.827063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.827063][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.827063][ T73] netlink_unicast+0x449/0x710 [ 5164.827063][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.827063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.827063][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.827063][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.827063][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.827063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.827063][ T73] [ 5164.829279][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5164.829279][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.829279][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.829279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.829279][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5164.829279][ T73] ipv6_add_addr+0x411/0x2000 [ 5164.829279][ T73] inet6_addr_add+0x30e/0xa40 [ 5164.829279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.829279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.829279][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.829279][ T73] netlink_unicast+0x449/0x710 [ 5164.829279][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.829279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.829279][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.829279][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.829279][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.829279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.829279][ T73] [ 5164.831497][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5164.831497][ T73] netdev_get_by_index+0x5e/0x80 [ 5164.831497][ T73] fib6_nh_init+0x3d8/0x1580 [ 5164.831497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5164.831497][ T73] ip6_route_add+0x1c/0x140 [ 5164.831497][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5164.831497][ T73] addrconf_add_dev+0xe2/0x170 [ 5164.831497][ T73] inet6_addr_add+0x12f/0xa40 [ 5164.831497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5164.831497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.831497][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.831497][ T73] netlink_unicast+0x449/0x710 [ 5164.831497][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.831497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.831497][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.831497][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.831497][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.831497][ T73] [ 5164.833617][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5164.833617][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5164.833617][ T73] ipv6_find_idev+0x102/0x170 [ 5164.833617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.833617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.833617][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.833617][ T73] netlink_unicast+0x449/0x710 [ 5164.833617][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.833617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.833617][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.833617][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.833617][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.833617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.833617][ T73] [ 5164.835385][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5164.835385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5164.835385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5164.835385][ T73] ipv6_find_idev+0x102/0x170 [ 5164.835385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5164.835385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5164.835385][ T73] netlink_rcv_skb+0x130/0x360 [ 5164.835385][ T73] netlink_unicast+0x449/0x710 [ 5164.835385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5164.835385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5164.835385][ T73] ___sys_sendmsg+0xee/0x170 [ 5164.835385][ T73] __sys_sendmsg+0xcd/0x170 [ 5164.835385][ T73] do_syscall_64+0xc6/0x1e0 [ 5164.835385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5164.835385][ T73] [ 5175.038896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5175.039281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.039281][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5175.039281][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5175.039281][ T73] fib6_nh_init+0xa22/0x1580 [ 5175.039281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.039281][ T73] ip6_route_add+0x1c/0x140 [ 5175.039281][ T73] inet6_rtm_newroute+0x104/0x110 [ 5175.039281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.039281][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.039281][ T73] netlink_unicast+0x449/0x710 [ 5175.039281][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.039281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.039281][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.039281][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.039281][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.039281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.039281][ T73] [ 5175.041200][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.041200][ T73] dst_init+0x84/0x4a0 [ 5175.041200][ T73] dst_alloc+0x97/0x150 [ 5175.041200][ T73] ip6_dst_alloc+0x23/0x90 [ 5175.041200][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5175.041200][ T73] ip6_pol_route+0x56f/0x840 [ 5175.041200][ T73] fib6_rule_lookup+0x456/0x630 [ 5175.041200][ T73] ip6_route_input+0x59c/0xa50 [ 5175.041200][ T73] ipv6_rcv+0x397/0x810 [ 5175.041200][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5175.041200][ T73] process_backlog+0x101/0x620 [ 5175.041200][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5175.041200][ T73] net_rx_action+0x495/0xbe0 [ 5175.041200][ T73] __do_softirq+0x1b5/0x7f6 [ 5175.041200][ T73] [ 5175.042851][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.042851][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.042851][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.042851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.042851][ T73] ip6_route_add+0x1c/0x140 [ 5175.042851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5175.042851][ T73] inet6_addr_add+0x4f8/0xa40 [ 5175.042851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.042851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.042851][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.042851][ T73] netlink_unicast+0x449/0x710 [ 5175.042851][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.042851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.042851][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.042851][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.042851][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.042851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.042851][ T73] [ 5175.044863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.044863][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.044863][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.044863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.044863][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5175.044863][ T73] ipv6_add_addr+0x411/0x2000 [ 5175.044863][ T73] inet6_addr_add+0x30e/0xa40 [ 5175.044863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.044863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.044863][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.044863][ T73] netlink_unicast+0x449/0x710 [ 5175.044863][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.044863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.044863][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.044863][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.044863][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.044863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.044863][ T73] [ 5175.046884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.046884][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.046884][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.046884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.046884][ T73] ip6_route_add+0x1c/0x140 [ 5175.046884][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5175.046884][ T73] addrconf_add_dev+0xe2/0x170 [ 5175.046884][ T73] inet6_addr_add+0x12f/0xa40 [ 5175.046884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.046884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.046884][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.046884][ T73] netlink_unicast+0x449/0x710 [ 5175.046884][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.046884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.046884][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.046884][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.046884][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.046884][ T73] [ 5175.049237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.049237][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5175.049237][ T73] ipv6_find_idev+0x102/0x170 [ 5175.049237][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.049237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.049237][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.049237][ T73] netlink_unicast+0x449/0x710 [ 5175.049237][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.049237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.049237][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.049237][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.049237][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.049237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.049237][ T73] [ 5175.050778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5175.050778][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5175.050778][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5175.050778][ T73] ipv6_find_idev+0x102/0x170 [ 5175.050778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.050778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.050778][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.050778][ T73] netlink_unicast+0x449/0x710 [ 5175.050778][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.050778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.050778][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.050778][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.050778][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.050778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.050778][ T73] [ 5175.052450][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5175.052720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.052720][ T73] dst_init+0x84/0x4a0 [ 5175.052720][ T73] dst_alloc+0x97/0x150 [ 5175.052720][ T73] ip6_dst_alloc+0x23/0x90 [ 5175.052720][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5175.052720][ T73] ip6_pol_route+0x56f/0x840 [ 5175.052720][ T73] fib6_rule_lookup+0x456/0x630 [ 5175.052720][ T73] ip6_route_input+0x59c/0xa50 [ 5175.052720][ T73] ipv6_rcv+0x397/0x810 [ 5175.052720][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5175.052720][ T73] process_backlog+0x101/0x620 [ 5175.052720][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5175.052720][ T73] net_rx_action+0x495/0xbe0 [ 5175.052720][ T73] __do_softirq+0x1b5/0x7f6 [ 5175.052720][ T73] [ 5175.054347][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.054347][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.054347][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.054347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.054347][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5175.054347][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5175.054347][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5175.054347][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5175.054347][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5175.054347][ T73] addrconf_dad_begin+0x310/0x670 [ 5175.054347][ T73] addrconf_dad_work+0x10b/0xab0 [ 5175.054347][ T73] process_one_work+0x84d/0x18a0 [ 5175.054347][ T73] worker_thread+0x587/0xd30 [ 5175.054347][ T73] kthread+0x28a/0x350 [ 5175.054347][ T73] ret_from_fork+0x31/0x70 [ 5175.054347][ T73] ret_from_fork_asm+0x1a/0x30 [ 5175.054347][ T73] [ 5175.056267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.056267][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.056267][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.056267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.056267][ T73] ip6_route_add+0x1c/0x140 [ 5175.056267][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5175.056267][ T73] inet6_addr_add+0x4f8/0xa40 [ 5175.056267][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.056267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.056267][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.056267][ T73] netlink_unicast+0x449/0x710 [ 5175.056267][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.056267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.056267][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.056267][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.056267][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.056267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.056267][ T73] [ 5175.058269][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.058269][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.058269][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.058269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.058269][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5175.058269][ T73] ipv6_add_addr+0x411/0x2000 [ 5175.058269][ T73] inet6_addr_add+0x30e/0xa40 [ 5175.058269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.058269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.058269][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.058269][ T73] netlink_unicast+0x449/0x710 [ 5175.058269][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.058269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.058269][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.058269][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.058269][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.058269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.058269][ T73] [ 5175.060252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.060252][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.060252][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.060252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.060252][ T73] ip6_route_add+0x1c/0x140 [ 5175.060252][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5175.060252][ T73] addrconf_add_dev+0xe2/0x170 [ 5175.060252][ T73] inet6_addr_add+0x12f/0xa40 [ 5175.060252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.060252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.060252][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.060252][ T73] netlink_unicast+0x449/0x710 [ 5175.060252][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.060252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.060252][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.060252][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.060252][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.060252][ T73] [ 5175.062224][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.062224][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5175.062224][ T73] ipv6_find_idev+0x102/0x170 [ 5175.062224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.062224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.062224][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.062224][ T73] netlink_unicast+0x449/0x710 [ 5175.062224][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.062224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.062224][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.062224][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.062224][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.062224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.062224][ T73] [ 5175.063757][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5175.063757][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5175.063757][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5175.063757][ T73] ipv6_find_idev+0x102/0x170 [ 5175.063757][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.063757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.063757][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.063757][ T73] netlink_unicast+0x449/0x710 [ 5175.063757][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.063757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.063757][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.063757][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.063757][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.063757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.063757][ T73] [ 5175.065579][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5175.065856][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.065856][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5175.065856][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5175.065856][ T73] fib6_nh_init+0xa22/0x1580 [ 5175.065856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.065856][ T73] ip6_route_add+0x1c/0x140 [ 5175.065856][ T73] inet6_rtm_newroute+0x104/0x110 [ 5175.065856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.065856][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.065856][ T73] netlink_unicast+0x449/0x710 [ 5175.065856][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.065856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.065856][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.065856][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.065856][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.065856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.065856][ T73] [ 5175.067874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.067874][ T73] dst_init+0x84/0x4a0 [ 5175.067874][ T73] dst_alloc+0x97/0x150 [ 5175.067874][ T73] ip6_dst_alloc+0x23/0x90 [ 5175.067874][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5175.067874][ T73] ip6_pol_route+0x56f/0x840 [ 5175.067874][ T73] fib6_rule_lookup+0x456/0x630 [ 5175.067874][ T73] ip6_route_input+0x59c/0xa50 [ 5175.067874][ T73] ipv6_rcv+0x397/0x810 [ 5175.067874][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5175.067874][ T73] process_backlog+0x101/0x620 [ 5175.067874][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5175.067874][ T73] net_rx_action+0x495/0xbe0 [ 5175.067874][ T73] __do_softirq+0x1b5/0x7f6 [ 5175.067874][ T73] [ 5175.069593][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.069593][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.069593][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.069593][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.069593][ T73] ip6_route_add+0x1c/0x140 [ 5175.069593][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5175.069593][ T73] inet6_addr_add+0x4f8/0xa40 [ 5175.069593][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.069593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.069593][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.069593][ T73] netlink_unicast+0x449/0x710 [ 5175.069593][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.069593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.069593][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.069593][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.069593][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.069593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.069593][ T73] [ 5175.071712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.071712][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.071712][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.071712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.071712][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5175.071712][ T73] ipv6_add_addr+0x411/0x2000 [ 5175.071712][ T73] inet6_addr_add+0x30e/0xa40 [ 5175.071712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.071712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.071712][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.071712][ T73] netlink_unicast+0x449/0x710 [ 5175.071712][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.071712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.071712][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.071712][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.071712][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.071712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.071712][ T73] [ 5175.073869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.073869][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.073869][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.073869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.073869][ T73] ip6_route_add+0x1c/0x140 [ 5175.073869][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5175.073869][ T73] addrconf_add_dev+0xe2/0x170 [ 5175.073869][ T73] inet6_addr_add+0x12f/0xa40 [ 5175.073869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.073869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.073869][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.073869][ T73] netlink_unicast+0x449/0x710 [ 5175.073869][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.073869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.073869][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.073869][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.073869][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.073869][ T73] [ 5175.076189][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.076189][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5175.076189][ T73] ipv6_find_idev+0x102/0x170 [ 5175.076189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.076189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.076189][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.076189][ T73] netlink_unicast+0x449/0x710 [ 5175.076189][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.076189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.076189][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.076189][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.076189][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.076189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.076189][ T73] [ 5175.077992][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5175.077992][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5175.077992][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5175.077992][ T73] ipv6_find_idev+0x102/0x170 [ 5175.077992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.077992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.077992][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.077992][ T73] netlink_unicast+0x449/0x710 [ 5175.077992][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.077992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.077992][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.077992][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.077992][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.077992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.077992][ T73] [ 5175.079902][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5175.080188][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5175.080188][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.080188][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.080188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.080188][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5175.080188][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5175.080188][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5175.080188][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5175.080188][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5175.080188][ T73] addrconf_dad_begin+0x310/0x670 [ 5175.080188][ T73] addrconf_dad_work+0x10b/0xab0 [ 5175.080188][ T73] process_one_work+0x84d/0x18a0 [ 5175.080188][ T73] worker_thread+0x587/0xd30 [ 5175.080188][ T73] kthread+0x28a/0x350 [ 5175.080188][ T73] ret_from_fork+0x31/0x70 [ 5175.080188][ T73] ret_from_fork_asm+0x1a/0x30 [ 5175.080188][ T73] [ 5175.082510][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5175.082510][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.082510][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.082510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.082510][ T73] ip6_route_add+0x1c/0x140 [ 5175.082510][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5175.082510][ T73] inet6_addr_add+0x4f8/0xa40 [ 5175.082510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.082510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.082510][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.082510][ T73] netlink_unicast+0x449/0x710 [ 5175.082510][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.082510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.082510][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.082510][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.082510][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.082510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.082510][ T73] [ 5175.084990][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5175.084990][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.084990][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.084990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.084990][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5175.084990][ T73] ipv6_add_addr+0x411/0x2000 [ 5175.084990][ T73] inet6_addr_add+0x30e/0xa40 [ 5175.084990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.084990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.084990][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.084990][ T73] netlink_unicast+0x449/0x710 [ 5175.084990][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.084990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.084990][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.084990][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.084990][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.084990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.084990][ T73] [ 5175.087410][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5175.087410][ T73] netdev_get_by_index+0x5e/0x80 [ 5175.087410][ T73] fib6_nh_init+0x3d8/0x1580 [ 5175.087410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5175.087410][ T73] ip6_route_add+0x1c/0x140 [ 5175.087410][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5175.087410][ T73] addrconf_add_dev+0xe2/0x170 [ 5175.087410][ T73] inet6_addr_add+0x12f/0xa40 [ 5175.087410][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.087410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.087410][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.087410][ T73] netlink_unicast+0x449/0x710 [ 5175.087410][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.087410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.087410][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.087410][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.087410][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.087410][ T73] [ 5175.089806][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5175.089806][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5175.089806][ T73] ipv6_find_idev+0x102/0x170 [ 5175.089806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.089806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.089806][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.089806][ T73] netlink_unicast+0x449/0x710 [ 5175.089806][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.089806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.089806][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.089806][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.089806][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.089806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.089806][ T73] [ 5175.091661][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5175.091661][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5175.091661][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5175.091661][ T73] ipv6_find_idev+0x102/0x170 [ 5175.091661][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.091661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.091661][ T73] netlink_rcv_skb+0x130/0x360 [ 5175.091661][ T73] netlink_unicast+0x449/0x710 [ 5175.091661][ T73] netlink_sendmsg+0x723/0xbe0 [ 5175.091661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5175.091661][ T73] ___sys_sendmsg+0xee/0x170 [ 5175.091661][ T73] __sys_sendmsg+0xcd/0x170 [ 5175.091661][ T73] do_syscall_64+0xc6/0x1e0 [ 5175.091661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.091661][ T73] [ 5185.342959][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5185.343380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.343380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5185.343380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5185.343380][ T73] fib6_nh_init+0xa22/0x1580 [ 5185.343380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.343380][ T73] ip6_route_add+0x1c/0x140 [ 5185.343380][ T73] inet6_rtm_newroute+0x104/0x110 [ 5185.343380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.343380][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.343380][ T73] netlink_unicast+0x449/0x710 [ 5185.343380][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.343380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.343380][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.343380][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.343380][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.343380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.343380][ T73] [ 5185.345285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.345285][ T73] dst_init+0x84/0x4a0 [ 5185.345285][ T73] dst_alloc+0x97/0x150 [ 5185.345285][ T73] ip6_dst_alloc+0x23/0x90 [ 5185.345285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5185.345285][ T73] ip6_pol_route+0x56f/0x840 [ 5185.345285][ T73] fib6_rule_lookup+0x456/0x630 [ 5185.345285][ T73] ip6_route_input+0x59c/0xa50 [ 5185.345285][ T73] ipv6_rcv+0x397/0x810 [ 5185.345285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5185.345285][ T73] process_backlog+0x101/0x620 [ 5185.345285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5185.345285][ T73] net_rx_action+0x495/0xbe0 [ 5185.345285][ T73] __do_softirq+0x1b5/0x7f6 [ 5185.345285][ T73] [ 5185.346937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.346937][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.346937][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.346937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.346937][ T73] ip6_route_add+0x1c/0x140 [ 5185.346937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5185.346937][ T73] inet6_addr_add+0x4f8/0xa40 [ 5185.346937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.346937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.346937][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.346937][ T73] netlink_unicast+0x449/0x710 [ 5185.346937][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.346937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.346937][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.346937][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.346937][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.346937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.346937][ T73] [ 5185.348922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.348922][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.348922][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.348922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.348922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5185.348922][ T73] ipv6_add_addr+0x411/0x2000 [ 5185.348922][ T73] inet6_addr_add+0x30e/0xa40 [ 5185.348922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.348922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.348922][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.348922][ T73] netlink_unicast+0x449/0x710 [ 5185.348922][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.348922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.348922][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.348922][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.348922][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.348922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.348922][ T73] [ 5185.350920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.350920][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.350920][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.350920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.350920][ T73] ip6_route_add+0x1c/0x140 [ 5185.350920][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5185.350920][ T73] addrconf_add_dev+0xe2/0x170 [ 5185.350920][ T73] inet6_addr_add+0x12f/0xa40 [ 5185.350920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.350920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.350920][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.350920][ T73] netlink_unicast+0x449/0x710 [ 5185.350920][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.350920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.350920][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.350920][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.350920][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.350920][ T73] [ 5185.353415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.353415][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5185.353415][ T73] ipv6_find_idev+0x102/0x170 [ 5185.353415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.353415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.353415][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.353415][ T73] netlink_unicast+0x449/0x710 [ 5185.353415][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.353415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.353415][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.353415][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.353415][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.353415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.353415][ T73] [ 5185.354971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5185.354971][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5185.354971][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5185.354971][ T73] ipv6_find_idev+0x102/0x170 [ 5185.354971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.354971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.354971][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.354971][ T73] netlink_unicast+0x449/0x710 [ 5185.354971][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.354971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.354971][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.354971][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.354971][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.354971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.354971][ T73] [ 5185.356675][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5185.356967][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.356967][ T73] dst_init+0x84/0x4a0 [ 5185.356967][ T73] dst_alloc+0x97/0x150 [ 5185.356967][ T73] ip6_dst_alloc+0x23/0x90 [ 5185.356967][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5185.356967][ T73] ip6_pol_route+0x56f/0x840 [ 5185.356967][ T73] fib6_rule_lookup+0x456/0x630 [ 5185.356967][ T73] ip6_route_input+0x59c/0xa50 [ 5185.356967][ T73] ipv6_rcv+0x397/0x810 [ 5185.356967][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5185.356967][ T73] process_backlog+0x101/0x620 [ 5185.356967][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5185.356967][ T73] net_rx_action+0x495/0xbe0 [ 5185.356967][ T73] __do_softirq+0x1b5/0x7f6 [ 5185.356967][ T73] [ 5185.358618][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.358618][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.358618][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.358618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.358618][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5185.358618][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5185.358618][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5185.358618][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5185.358618][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5185.358618][ T73] addrconf_dad_begin+0x310/0x670 [ 5185.358618][ T73] addrconf_dad_work+0x10b/0xab0 [ 5185.358618][ T73] process_one_work+0x84d/0x18a0 [ 5185.358618][ T73] worker_thread+0x587/0xd30 [ 5185.358618][ T73] kthread+0x28a/0x350 [ 5185.358618][ T73] ret_from_fork+0x31/0x70 [ 5185.358618][ T73] ret_from_fork_asm+0x1a/0x30 [ 5185.358618][ T73] [ 5185.360540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.360540][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.360540][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.360540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.360540][ T73] ip6_route_add+0x1c/0x140 [ 5185.360540][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5185.360540][ T73] inet6_addr_add+0x4f8/0xa40 [ 5185.360540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.360540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.360540][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.360540][ T73] netlink_unicast+0x449/0x710 [ 5185.360540][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.360540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.360540][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.360540][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.360540][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.360540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.360540][ T73] [ 5185.362547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.362547][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.362547][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.362547][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.362547][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5185.362547][ T73] ipv6_add_addr+0x411/0x2000 [ 5185.362547][ T73] inet6_addr_add+0x30e/0xa40 [ 5185.362547][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.362547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.362547][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.362547][ T73] netlink_unicast+0x449/0x710 [ 5185.362547][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.362547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.362547][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.362547][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.362547][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.362547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.362547][ T73] [ 5185.364525][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.364525][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.364525][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.364525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.364525][ T73] ip6_route_add+0x1c/0x140 [ 5185.364525][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5185.364525][ T73] addrconf_add_dev+0xe2/0x170 [ 5185.364525][ T73] inet6_addr_add+0x12f/0xa40 [ 5185.364525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.364525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.364525][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.364525][ T73] netlink_unicast+0x449/0x710 [ 5185.364525][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.364525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.364525][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.364525][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.364525][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.364525][ T73] [ 5185.366480][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.366480][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5185.366480][ T73] ipv6_find_idev+0x102/0x170 [ 5185.366480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.366480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.366480][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.366480][ T73] netlink_unicast+0x449/0x710 [ 5185.366480][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.366480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.366480][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.366480][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.366480][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.366480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.366480][ T73] [ 5185.368410][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5185.368410][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5185.368410][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5185.368410][ T73] ipv6_find_idev+0x102/0x170 [ 5185.368410][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.368410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.368410][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.368410][ T73] netlink_unicast+0x449/0x710 [ 5185.368410][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.368410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.368410][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.368410][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.368410][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.368410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.368410][ T73] [ 5185.370178][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5185.370449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.370449][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5185.370449][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5185.370449][ T73] fib6_nh_init+0xa22/0x1580 [ 5185.370449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.370449][ T73] ip6_route_add+0x1c/0x140 [ 5185.370449][ T73] inet6_rtm_newroute+0x104/0x110 [ 5185.370449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.370449][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.370449][ T73] netlink_unicast+0x449/0x710 [ 5185.370449][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.370449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.370449][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.370449][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.370449][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.370449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.370449][ T73] [ 5185.372455][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.372455][ T73] dst_init+0x84/0x4a0 [ 5185.372455][ T73] dst_alloc+0x97/0x150 [ 5185.372455][ T73] ip6_dst_alloc+0x23/0x90 [ 5185.372455][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5185.372455][ T73] ip6_pol_route+0x56f/0x840 [ 5185.372455][ T73] fib6_rule_lookup+0x456/0x630 [ 5185.372455][ T73] ip6_route_input+0x59c/0xa50 [ 5185.372455][ T73] ipv6_rcv+0x397/0x810 [ 5185.372455][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5185.372455][ T73] process_backlog+0x101/0x620 [ 5185.372455][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5185.372455][ T73] net_rx_action+0x495/0xbe0 [ 5185.372455][ T73] __do_softirq+0x1b5/0x7f6 [ 5185.372455][ T73] [ 5185.374220][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.374220][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.374220][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.374220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.374220][ T73] ip6_route_add+0x1c/0x140 [ 5185.374220][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5185.374220][ T73] inet6_addr_add+0x4f8/0xa40 [ 5185.374220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.374220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.374220][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.374220][ T73] netlink_unicast+0x449/0x710 [ 5185.374220][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.374220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.374220][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.374220][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.374220][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.374220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.374220][ T73] [ 5185.376360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.376360][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.376360][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.376360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.376360][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5185.376360][ T73] ipv6_add_addr+0x411/0x2000 [ 5185.376360][ T73] inet6_addr_add+0x30e/0xa40 [ 5185.376360][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.376360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.376360][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.376360][ T73] netlink_unicast+0x449/0x710 [ 5185.376360][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.376360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.376360][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.376360][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.376360][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.376360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.376360][ T73] [ 5185.378497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.378497][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.378497][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.378497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.378497][ T73] ip6_route_add+0x1c/0x140 [ 5185.378497][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5185.378497][ T73] addrconf_add_dev+0xe2/0x170 [ 5185.378497][ T73] inet6_addr_add+0x12f/0xa40 [ 5185.378497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.378497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.378497][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.378497][ T73] netlink_unicast+0x449/0x710 [ 5185.378497][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.378497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.378497][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.378497][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.378497][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.378497][ T73] [ 5185.380518][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.380518][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5185.380518][ T73] ipv6_find_idev+0x102/0x170 [ 5185.380518][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.380518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.380518][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.380518][ T73] netlink_unicast+0x449/0x710 [ 5185.380518][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.380518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.380518][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.380518][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.380518][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.380518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.380518][ T73] [ 5185.382174][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5185.382174][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5185.382174][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5185.382174][ T73] ipv6_find_idev+0x102/0x170 [ 5185.382174][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.382174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.382174][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.382174][ T73] netlink_unicast+0x449/0x710 [ 5185.382174][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.382174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.382174][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.382174][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.382174][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.382174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.382174][ T73] [ 5185.383969][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5185.384242][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5185.384242][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.384242][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.384242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.384242][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5185.384242][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5185.384242][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5185.384242][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5185.384242][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5185.384242][ T73] addrconf_dad_begin+0x310/0x670 [ 5185.384242][ T73] addrconf_dad_work+0x10b/0xab0 [ 5185.384242][ T73] process_one_work+0x84d/0x18a0 [ 5185.384242][ T73] worker_thread+0x587/0xd30 [ 5185.384242][ T73] kthread+0x28a/0x350 [ 5185.384242][ T73] ret_from_fork+0x31/0x70 [ 5185.384242][ T73] ret_from_fork_asm+0x1a/0x30 [ 5185.384242][ T73] [ 5185.386284][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5185.386284][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.386284][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.386284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.386284][ T73] ip6_route_add+0x1c/0x140 [ 5185.386284][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5185.386284][ T73] inet6_addr_add+0x4f8/0xa40 [ 5185.386284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.386284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.386284][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.386284][ T73] netlink_unicast+0x449/0x710 [ 5185.386284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.386284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.386284][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.386284][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.386284][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.386284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.386284][ T73] [ 5185.388423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5185.388423][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.388423][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.388423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.388423][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5185.388423][ T73] ipv6_add_addr+0x411/0x2000 [ 5185.388423][ T73] inet6_addr_add+0x30e/0xa40 [ 5185.388423][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.388423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.388423][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.388423][ T73] netlink_unicast+0x449/0x710 [ 5185.388423][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.388423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.388423][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.388423][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.388423][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.388423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.388423][ T73] [ 5185.390506][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5185.390506][ T73] netdev_get_by_index+0x5e/0x80 [ 5185.390506][ T73] fib6_nh_init+0x3d8/0x1580 [ 5185.390506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5185.390506][ T73] ip6_route_add+0x1c/0x140 [ 5185.390506][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5185.390506][ T73] addrconf_add_dev+0xe2/0x170 [ 5185.390506][ T73] inet6_addr_add+0x12f/0xa40 [ 5185.390506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.390506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.390506][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.390506][ T73] netlink_unicast+0x449/0x710 [ 5185.390506][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.390506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.390506][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.390506][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.390506][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.390506][ T73] [ 5185.392603][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5185.392603][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5185.392603][ T73] ipv6_find_idev+0x102/0x170 [ 5185.392603][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.392603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.392603][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.392603][ T73] netlink_unicast+0x449/0x710 [ 5185.392603][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.392603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.392603][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.392603][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.392603][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.392603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.392603][ T73] [ 5185.394265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5185.394265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5185.394265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5185.394265][ T73] ipv6_find_idev+0x102/0x170 [ 5185.394265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.394265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.394265][ T73] netlink_rcv_skb+0x130/0x360 [ 5185.394265][ T73] netlink_unicast+0x449/0x710 [ 5185.394265][ T73] netlink_sendmsg+0x723/0xbe0 [ 5185.394265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5185.394265][ T73] ___sys_sendmsg+0xee/0x170 [ 5185.394265][ T73] __sys_sendmsg+0xcd/0x170 [ 5185.394265][ T73] do_syscall_64+0xc6/0x1e0 [ 5185.394265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.394265][ T73] [ 5195.398901][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5195.399290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.399290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5195.399290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5195.399290][ T73] fib6_nh_init+0xa22/0x1580 [ 5195.399290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.399290][ T73] ip6_route_add+0x1c/0x140 [ 5195.399290][ T73] inet6_rtm_newroute+0x104/0x110 [ 5195.399290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.399290][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.399290][ T73] netlink_unicast+0x449/0x710 [ 5195.399290][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.399290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.399290][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.399290][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.399290][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.399290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.399290][ T73] [ 5195.401196][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.401196][ T73] dst_init+0x84/0x4a0 [ 5195.401196][ T73] dst_alloc+0x97/0x150 [ 5195.401196][ T73] ip6_dst_alloc+0x23/0x90 [ 5195.401196][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5195.401196][ T73] ip6_pol_route+0x56f/0x840 [ 5195.401196][ T73] fib6_rule_lookup+0x456/0x630 [ 5195.401196][ T73] ip6_route_input+0x59c/0xa50 [ 5195.401196][ T73] ipv6_rcv+0x397/0x810 [ 5195.401196][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5195.401196][ T73] process_backlog+0x101/0x620 [ 5195.401196][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5195.401196][ T73] net_rx_action+0x495/0xbe0 [ 5195.401196][ T73] __do_softirq+0x1b5/0x7f6 [ 5195.401196][ T73] [ 5195.402840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.402840][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.402840][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.402840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.402840][ T73] ip6_route_add+0x1c/0x140 [ 5195.402840][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5195.402840][ T73] inet6_addr_add+0x4f8/0xa40 [ 5195.402840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.402840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.402840][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.402840][ T73] netlink_unicast+0x449/0x710 [ 5195.402840][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.402840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.402840][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.402840][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.402840][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.402840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.402840][ T73] [ 5195.404856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.404856][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.404856][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.404856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.404856][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5195.404856][ T73] ipv6_add_addr+0x411/0x2000 [ 5195.404856][ T73] inet6_addr_add+0x30e/0xa40 [ 5195.404856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.404856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.404856][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.404856][ T73] netlink_unicast+0x449/0x710 [ 5195.404856][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.404856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.404856][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.404856][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.404856][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.404856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.404856][ T73] [ 5195.406885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.406885][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.406885][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.406885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.406885][ T73] ip6_route_add+0x1c/0x140 [ 5195.406885][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5195.406885][ T73] addrconf_add_dev+0xe2/0x170 [ 5195.406885][ T73] inet6_addr_add+0x12f/0xa40 [ 5195.406885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.406885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.406885][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.406885][ T73] netlink_unicast+0x449/0x710 [ 5195.406885][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.406885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.406885][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.406885][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.406885][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.406885][ T73] [ 5195.408855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.408855][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5195.408855][ T73] ipv6_find_idev+0x102/0x170 [ 5195.408855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.408855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.408855][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.408855][ T73] netlink_unicast+0x449/0x710 [ 5195.408855][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.408855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.408855][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.408855][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.408855][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.408855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.408855][ T73] [ 5195.410385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5195.410385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5195.410385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5195.410385][ T73] ipv6_find_idev+0x102/0x170 [ 5195.410385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.410385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.410385][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.410385][ T73] netlink_unicast+0x449/0x710 [ 5195.410385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.410385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.410385][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.410385][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.410385][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.410385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.410385][ T73] [ 5195.412075][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5195.412347][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.412347][ T73] dst_init+0x84/0x4a0 [ 5195.412347][ T73] dst_alloc+0x97/0x150 [ 5195.412347][ T73] ip6_dst_alloc+0x23/0x90 [ 5195.412347][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5195.412347][ T73] ip6_pol_route+0x56f/0x840 [ 5195.412347][ T73] fib6_rule_lookup+0x456/0x630 [ 5195.412347][ T73] ip6_route_input+0x59c/0xa50 [ 5195.412347][ T73] ipv6_rcv+0x397/0x810 [ 5195.412347][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5195.412347][ T73] process_backlog+0x101/0x620 [ 5195.412347][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5195.412347][ T73] net_rx_action+0x495/0xbe0 [ 5195.412347][ T73] __do_softirq+0x1b5/0x7f6 [ 5195.412347][ T73] [ 5195.413982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.413982][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.413982][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.413982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.413982][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5195.413982][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5195.413982][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5195.413982][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5195.413982][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5195.413982][ T73] addrconf_dad_begin+0x310/0x670 [ 5195.413982][ T73] addrconf_dad_work+0x10b/0xab0 [ 5195.413982][ T73] process_one_work+0x84d/0x18a0 [ 5195.413982][ T73] worker_thread+0x587/0xd30 [ 5195.413982][ T73] kthread+0x28a/0x350 [ 5195.413982][ T73] ret_from_fork+0x31/0x70 [ 5195.413982][ T73] ret_from_fork_asm+0x1a/0x30 [ 5195.413982][ T73] [ 5195.415901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.415901][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.415901][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.415901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.415901][ T73] ip6_route_add+0x1c/0x140 [ 5195.415901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5195.415901][ T73] inet6_addr_add+0x4f8/0xa40 [ 5195.415901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.415901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.415901][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.415901][ T73] netlink_unicast+0x449/0x710 [ 5195.415901][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.415901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.415901][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.415901][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.415901][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.415901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.415901][ T73] [ 5195.417913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.417913][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.417913][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.417913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.417913][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5195.417913][ T73] ipv6_add_addr+0x411/0x2000 [ 5195.417913][ T73] inet6_addr_add+0x30e/0xa40 [ 5195.417913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.417913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.417913][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.417913][ T73] netlink_unicast+0x449/0x710 [ 5195.417913][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.417913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.417913][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.417913][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.417913][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.417913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.417913][ T73] [ 5195.419928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.419928][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.419928][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.419928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.419928][ T73] ip6_route_add+0x1c/0x140 [ 5195.419928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5195.419928][ T73] addrconf_add_dev+0xe2/0x170 [ 5195.419928][ T73] inet6_addr_add+0x12f/0xa40 [ 5195.419928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.419928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.419928][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.419928][ T73] netlink_unicast+0x449/0x710 [ 5195.419928][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.419928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.419928][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.419928][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.419928][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.419928][ T73] [ 5195.421909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.421909][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5195.421909][ T73] ipv6_find_idev+0x102/0x170 [ 5195.421909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.421909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.421909][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.421909][ T73] netlink_unicast+0x449/0x710 [ 5195.421909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.421909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.421909][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.421909][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.421909][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.421909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.421909][ T73] [ 5195.423452][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5195.423452][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5195.423452][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5195.423452][ T73] ipv6_find_idev+0x102/0x170 [ 5195.423452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.423452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.423452][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.423452][ T73] netlink_unicast+0x449/0x710 [ 5195.423452][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.423452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.423452][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.423452][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.423452][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.423452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.423452][ T73] [ 5195.425283][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5195.425553][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.425553][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5195.425553][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5195.425553][ T73] fib6_nh_init+0xa22/0x1580 [ 5195.425553][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.425553][ T73] ip6_route_add+0x1c/0x140 [ 5195.425553][ T73] inet6_rtm_newroute+0x104/0x110 [ 5195.425553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.425553][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.425553][ T73] netlink_unicast+0x449/0x710 [ 5195.425553][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.425553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.425553][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.425553][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.425553][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.425553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.425553][ T73] [ 5195.427739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.427739][ T73] dst_init+0x84/0x4a0 [ 5195.427739][ T73] dst_alloc+0x97/0x150 [ 5195.427739][ T73] ip6_dst_alloc+0x23/0x90 [ 5195.427739][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5195.427739][ T73] ip6_pol_route+0x56f/0x840 [ 5195.427739][ T73] fib6_rule_lookup+0x456/0x630 [ 5195.427739][ T73] ip6_route_input+0x59c/0xa50 [ 5195.427739][ T73] ipv6_rcv+0x397/0x810 [ 5195.427739][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5195.427739][ T73] process_backlog+0x101/0x620 [ 5195.427739][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5195.427739][ T73] net_rx_action+0x495/0xbe0 [ 5195.427739][ T73] __do_softirq+0x1b5/0x7f6 [ 5195.427739][ T73] [ 5195.429544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.429544][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.429544][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.429544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.429544][ T73] ip6_route_add+0x1c/0x140 [ 5195.429544][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5195.429544][ T73] inet6_addr_add+0x4f8/0xa40 [ 5195.429544][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.429544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.429544][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.429544][ T73] netlink_unicast+0x449/0x710 [ 5195.429544][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.429544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.429544][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.429544][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.429544][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.429544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.429544][ T73] [ 5195.431782][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.431782][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.431782][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.431782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.431782][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5195.431782][ T73] ipv6_add_addr+0x411/0x2000 [ 5195.431782][ T73] inet6_addr_add+0x30e/0xa40 [ 5195.431782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.431782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.431782][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.431782][ T73] netlink_unicast+0x449/0x710 [ 5195.431782][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.431782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.431782][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.431782][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.431782][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.431782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.431782][ T73] [ 5195.433987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.433987][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.433987][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.433987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.433987][ T73] ip6_route_add+0x1c/0x140 [ 5195.433987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5195.433987][ T73] addrconf_add_dev+0xe2/0x170 [ 5195.433987][ T73] inet6_addr_add+0x12f/0xa40 [ 5195.433987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.433987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.433987][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.433987][ T73] netlink_unicast+0x449/0x710 [ 5195.433987][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.433987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.433987][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.433987][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.433987][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.433987][ T73] [ 5195.436212][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.436212][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5195.436212][ T73] ipv6_find_idev+0x102/0x170 [ 5195.436212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.436212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.436212][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.436212][ T73] netlink_unicast+0x449/0x710 [ 5195.436212][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.436212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.436212][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.436212][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.436212][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.436212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.436212][ T73] [ 5195.437958][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5195.437958][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5195.437958][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5195.437958][ T73] ipv6_find_idev+0x102/0x170 [ 5195.437958][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.437958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.437958][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.437958][ T73] netlink_unicast+0x449/0x710 [ 5195.437958][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.437958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.437958][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.437958][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.437958][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.437958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.437958][ T73] [ 5195.439887][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5195.440170][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5195.440170][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.440170][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.440170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.440170][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5195.440170][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5195.440170][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5195.440170][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5195.440170][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5195.440170][ T73] addrconf_dad_begin+0x310/0x670 [ 5195.440170][ T73] addrconf_dad_work+0x10b/0xab0 [ 5195.440170][ T73] process_one_work+0x84d/0x18a0 [ 5195.440170][ T73] worker_thread+0x587/0xd30 [ 5195.440170][ T73] kthread+0x28a/0x350 [ 5195.440170][ T73] ret_from_fork+0x31/0x70 [ 5195.440170][ T73] ret_from_fork_asm+0x1a/0x30 [ 5195.440170][ T73] [ 5195.442337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5195.442337][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.442337][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.442337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.442337][ T73] ip6_route_add+0x1c/0x140 [ 5195.442337][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5195.442337][ T73] inet6_addr_add+0x4f8/0xa40 [ 5195.442337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.442337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.442337][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.442337][ T73] netlink_unicast+0x449/0x710 [ 5195.442337][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.442337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.442337][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.442337][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.442337][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.442337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.442337][ T73] [ 5195.444575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5195.444575][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.444575][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.444575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.444575][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5195.444575][ T73] ipv6_add_addr+0x411/0x2000 [ 5195.444575][ T73] inet6_addr_add+0x30e/0xa40 [ 5195.444575][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.444575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.444575][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.444575][ T73] netlink_unicast+0x449/0x710 [ 5195.444575][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.444575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.444575][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.444575][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.444575][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.444575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.444575][ T73] [ 5195.446810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5195.446810][ T73] netdev_get_by_index+0x5e/0x80 [ 5195.446810][ T73] fib6_nh_init+0x3d8/0x1580 [ 5195.446810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5195.446810][ T73] ip6_route_add+0x1c/0x140 [ 5195.446810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5195.446810][ T73] addrconf_add_dev+0xe2/0x170 [ 5195.446810][ T73] inet6_addr_add+0x12f/0xa40 [ 5195.446810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.446810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.446810][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.446810][ T73] netlink_unicast+0x449/0x710 [ 5195.446810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.446810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.446810][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.446810][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.446810][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.446810][ T73] [ 5195.449034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5195.449034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5195.449034][ T73] ipv6_find_idev+0x102/0x170 [ 5195.449034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.449034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.449034][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.449034][ T73] netlink_unicast+0x449/0x710 [ 5195.449034][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.449034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.449034][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.449034][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.449034][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.449034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.449034][ T73] [ 5195.450766][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5195.450766][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5195.450766][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5195.450766][ T73] ipv6_find_idev+0x102/0x170 [ 5195.450766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.450766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.450766][ T73] netlink_rcv_skb+0x130/0x360 [ 5195.450766][ T73] netlink_unicast+0x449/0x710 [ 5195.450766][ T73] netlink_sendmsg+0x723/0xbe0 [ 5195.450766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5195.450766][ T73] ___sys_sendmsg+0xee/0x170 [ 5195.450766][ T73] __sys_sendmsg+0xcd/0x170 [ 5195.450766][ T73] do_syscall_64+0xc6/0x1e0 [ 5195.450766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.450766][ T73] [ 5205.694824][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5205.695212][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.695212][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5205.695212][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5205.695212][ T73] fib6_nh_init+0xa22/0x1580 [ 5205.695212][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.695212][ T73] ip6_route_add+0x1c/0x140 [ 5205.695212][ T73] inet6_rtm_newroute+0x104/0x110 [ 5205.695212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.695212][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.695212][ T73] netlink_unicast+0x449/0x710 [ 5205.695212][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.695212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.695212][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.695212][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.695212][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.695212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.695212][ T73] [ 5205.697113][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.697113][ T73] dst_init+0x84/0x4a0 [ 5205.697113][ T73] dst_alloc+0x97/0x150 [ 5205.697113][ T73] ip6_dst_alloc+0x23/0x90 [ 5205.697113][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5205.697113][ T73] ip6_pol_route+0x56f/0x840 [ 5205.697113][ T73] fib6_rule_lookup+0x456/0x630 [ 5205.697113][ T73] ip6_route_input+0x59c/0xa50 [ 5205.697113][ T73] ipv6_rcv+0x397/0x810 [ 5205.697113][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5205.697113][ T73] process_backlog+0x101/0x620 [ 5205.697113][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5205.697113][ T73] net_rx_action+0x495/0xbe0 [ 5205.697113][ T73] __do_softirq+0x1b5/0x7f6 [ 5205.697113][ T73] [ 5205.698736][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.698736][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.698736][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.698736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.698736][ T73] ip6_route_add+0x1c/0x140 [ 5205.698736][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5205.698736][ T73] inet6_addr_add+0x4f8/0xa40 [ 5205.698736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.698736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.698736][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.698736][ T73] netlink_unicast+0x449/0x710 [ 5205.698736][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.698736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.698736][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.698736][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.698736][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.698736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.698736][ T73] [ 5205.700750][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.700750][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.700750][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.700750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.700750][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5205.700750][ T73] ipv6_add_addr+0x411/0x2000 [ 5205.700750][ T73] inet6_addr_add+0x30e/0xa40 [ 5205.700750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.700750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.700750][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.700750][ T73] netlink_unicast+0x449/0x710 [ 5205.700750][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.700750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.700750][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.700750][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.700750][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.700750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.700750][ T73] [ 5205.702753][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.702753][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.702753][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.702753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.702753][ T73] ip6_route_add+0x1c/0x140 [ 5205.702753][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5205.702753][ T73] addrconf_add_dev+0xe2/0x170 [ 5205.702753][ T73] inet6_addr_add+0x12f/0xa40 [ 5205.702753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.702753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.702753][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.702753][ T73] netlink_unicast+0x449/0x710 [ 5205.702753][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.702753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.702753][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.702753][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.702753][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.702753][ T73] [ 5205.704739][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.704739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5205.704739][ T73] ipv6_find_idev+0x102/0x170 [ 5205.704739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.704739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.704739][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.704739][ T73] netlink_unicast+0x449/0x710 [ 5205.704739][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.704739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.704739][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.704739][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.704739][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.704739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.704739][ T73] [ 5205.706289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5205.706289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5205.706289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5205.706289][ T73] ipv6_find_idev+0x102/0x170 [ 5205.706289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.706289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.706289][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.706289][ T73] netlink_unicast+0x449/0x710 [ 5205.706289][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.706289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.706289][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.706289][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.706289][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.706289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.706289][ T73] [ 5205.707989][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5205.708261][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.708261][ T73] dst_init+0x84/0x4a0 [ 5205.708261][ T73] dst_alloc+0x97/0x150 [ 5205.708261][ T73] ip6_dst_alloc+0x23/0x90 [ 5205.708261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5205.708261][ T73] ip6_pol_route+0x56f/0x840 [ 5205.708261][ T73] fib6_rule_lookup+0x456/0x630 [ 5205.708261][ T73] ip6_route_input+0x59c/0xa50 [ 5205.708261][ T73] ipv6_rcv+0x397/0x810 [ 5205.708261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5205.708261][ T73] process_backlog+0x101/0x620 [ 5205.708261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5205.708261][ T73] net_rx_action+0x495/0xbe0 [ 5205.708261][ T73] __do_softirq+0x1b5/0x7f6 [ 5205.708261][ T73] [ 5205.709916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.709916][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.709916][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.709916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.709916][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5205.709916][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5205.709916][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5205.709916][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5205.709916][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5205.709916][ T73] addrconf_dad_begin+0x310/0x670 [ 5205.709916][ T73] addrconf_dad_work+0x10b/0xab0 [ 5205.709916][ T73] process_one_work+0x84d/0x18a0 [ 5205.709916][ T73] worker_thread+0x587/0xd30 [ 5205.709916][ T73] kthread+0x28a/0x350 [ 5205.709916][ T73] ret_from_fork+0x31/0x70 [ 5205.709916][ T73] ret_from_fork_asm+0x1a/0x30 [ 5205.709916][ T73] [ 5205.711820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.711820][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.711820][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.711820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.711820][ T73] ip6_route_add+0x1c/0x140 [ 5205.711820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5205.711820][ T73] inet6_addr_add+0x4f8/0xa40 [ 5205.711820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.711820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.711820][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.711820][ T73] netlink_unicast+0x449/0x710 [ 5205.711820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.711820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.711820][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.711820][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.711820][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.711820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.711820][ T73] [ 5205.713824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.713824][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.713824][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.713824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.713824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5205.713824][ T73] ipv6_add_addr+0x411/0x2000 [ 5205.713824][ T73] inet6_addr_add+0x30e/0xa40 [ 5205.713824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.713824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.713824][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.713824][ T73] netlink_unicast+0x449/0x710 [ 5205.713824][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.713824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.713824][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.713824][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.713824][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.713824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.713824][ T73] [ 5205.715818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.715818][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.715818][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.715818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.715818][ T73] ip6_route_add+0x1c/0x140 [ 5205.715818][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5205.715818][ T73] addrconf_add_dev+0xe2/0x170 [ 5205.715818][ T73] inet6_addr_add+0x12f/0xa40 [ 5205.715818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.715818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.715818][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.715818][ T73] netlink_unicast+0x449/0x710 [ 5205.715818][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.715818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.715818][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.715818][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.715818][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.715818][ T73] [ 5205.718159][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.718159][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5205.718159][ T73] ipv6_find_idev+0x102/0x170 [ 5205.718159][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.718159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.718159][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.718159][ T73] netlink_unicast+0x449/0x710 [ 5205.718159][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.718159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.718159][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.718159][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.718159][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.718159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.718159][ T73] [ 5205.720512][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5205.720512][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5205.720512][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5205.720512][ T73] ipv6_find_idev+0x102/0x170 [ 5205.720512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.720512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.720512][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.720512][ T73] netlink_unicast+0x449/0x710 [ 5205.720512][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.720512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.720512][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.720512][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.720512][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.720512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.720512][ T73] [ 5205.723432][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5205.723847][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.723847][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5205.723847][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5205.723847][ T73] fib6_nh_init+0xa22/0x1580 [ 5205.723847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.723847][ T73] ip6_route_add+0x1c/0x140 [ 5205.723847][ T73] inet6_rtm_newroute+0x104/0x110 [ 5205.723847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.723847][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.723847][ T73] netlink_unicast+0x449/0x710 [ 5205.723847][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.723847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.723847][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.723847][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.723847][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.723847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.723847][ T73] [ 5205.727201][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.727201][ T73] dst_init+0x84/0x4a0 [ 5205.727201][ T73] dst_alloc+0x97/0x150 [ 5205.727201][ T73] ip6_dst_alloc+0x23/0x90 [ 5205.727201][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5205.727201][ T73] ip6_pol_route+0x56f/0x840 [ 5205.727201][ T73] fib6_rule_lookup+0x456/0x630 [ 5205.727201][ T73] ip6_route_input+0x59c/0xa50 [ 5205.727201][ T73] ipv6_rcv+0x397/0x810 [ 5205.727201][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5205.727201][ T73] process_backlog+0x101/0x620 [ 5205.727201][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5205.727201][ T73] net_rx_action+0x495/0xbe0 [ 5205.727201][ T73] __do_softirq+0x1b5/0x7f6 [ 5205.727201][ T73] [ 5205.730107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.730107][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.730107][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.730107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.730107][ T73] ip6_route_add+0x1c/0x140 [ 5205.730107][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5205.730107][ T73] inet6_addr_add+0x4f8/0xa40 [ 5205.730107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.730107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.730107][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.730107][ T73] netlink_unicast+0x449/0x710 [ 5205.730107][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.730107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.730107][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.730107][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.730107][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.730107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.730107][ T73] [ 5205.733541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.733541][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.733541][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.733541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.733541][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5205.733541][ T73] ipv6_add_addr+0x411/0x2000 [ 5205.733541][ T73] inet6_addr_add+0x30e/0xa40 [ 5205.733541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.733541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.733541][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.733541][ T73] netlink_unicast+0x449/0x710 [ 5205.733541][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.733541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.733541][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.733541][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.733541][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.733541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.733541][ T73] [ 5205.736994][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.736994][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.736994][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.736994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.736994][ T73] ip6_route_add+0x1c/0x140 [ 5205.736994][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5205.736994][ T73] addrconf_add_dev+0xe2/0x170 [ 5205.736994][ T73] inet6_addr_add+0x12f/0xa40 [ 5205.736994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.736994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.736994][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.736994][ T73] netlink_unicast+0x449/0x710 [ 5205.736994][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.736994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.736994][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.736994][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.736994][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.736994][ T73] [ 5205.740622][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.740622][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5205.740622][ T73] ipv6_find_idev+0x102/0x170 [ 5205.740622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.740622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.740622][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.740622][ T73] netlink_unicast+0x449/0x710 [ 5205.740622][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.740622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.740622][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.740622][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.740622][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.740622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.740622][ T73] [ 5205.743321][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5205.743321][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5205.743321][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5205.743321][ T73] ipv6_find_idev+0x102/0x170 [ 5205.743321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.743321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.743321][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.743321][ T73] netlink_unicast+0x449/0x710 [ 5205.743321][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.743321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.743321][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.743321][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.743321][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.743321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.743321][ T73] [ 5205.746433][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5205.747578][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5205.747578][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.747578][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.747578][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.747578][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5205.747578][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5205.747578][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5205.747578][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5205.747578][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5205.747578][ T73] addrconf_dad_begin+0x310/0x670 [ 5205.747578][ T73] addrconf_dad_work+0x10b/0xab0 [ 5205.747578][ T73] process_one_work+0x84d/0x18a0 [ 5205.747578][ T73] worker_thread+0x587/0xd30 [ 5205.747578][ T73] kthread+0x28a/0x350 [ 5205.747578][ T73] ret_from_fork+0x31/0x70 [ 5205.747578][ T73] ret_from_fork_asm+0x1a/0x30 [ 5205.747578][ T73] [ 5205.750494][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5205.750494][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.750494][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.750494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.750494][ T73] ip6_route_add+0x1c/0x140 [ 5205.750494][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5205.750494][ T73] inet6_addr_add+0x4f8/0xa40 [ 5205.750494][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.750494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.750494][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.750494][ T73] netlink_unicast+0x449/0x710 [ 5205.750494][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.750494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.750494][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.750494][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.750494][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.750494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.750494][ T73] [ 5205.753731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5205.753731][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.753731][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.753731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.753731][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5205.753731][ T73] ipv6_add_addr+0x411/0x2000 [ 5205.753731][ T73] inet6_addr_add+0x30e/0xa40 [ 5205.753731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.753731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.753731][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.753731][ T73] netlink_unicast+0x449/0x710 [ 5205.753731][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.753731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.753731][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.753731][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.753731][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.753731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.753731][ T73] [ 5205.757126][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5205.757126][ T73] netdev_get_by_index+0x5e/0x80 [ 5205.757126][ T73] fib6_nh_init+0x3d8/0x1580 [ 5205.757126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5205.757126][ T73] ip6_route_add+0x1c/0x140 [ 5205.757126][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5205.757126][ T73] addrconf_add_dev+0xe2/0x170 [ 5205.757126][ T73] inet6_addr_add+0x12f/0xa40 [ 5205.757126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5205.757126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.757126][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.757126][ T73] netlink_unicast+0x449/0x710 [ 5205.757126][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.757126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.757126][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.757126][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.757126][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.757126][ T73] [ 5205.760675][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5205.760675][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5205.760675][ T73] ipv6_find_idev+0x102/0x170 [ 5205.760675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.760675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.760675][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.760675][ T73] netlink_unicast+0x449/0x710 [ 5205.760675][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.760675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.760675][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.760675][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.760675][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.760675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.760675][ T73] [ 5205.763437][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5205.763437][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5205.763437][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5205.763437][ T73] ipv6_find_idev+0x102/0x170 [ 5205.763437][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5205.763437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5205.763437][ T73] netlink_rcv_skb+0x130/0x360 [ 5205.763437][ T73] netlink_unicast+0x449/0x710 [ 5205.763437][ T73] netlink_sendmsg+0x723/0xbe0 [ 5205.763437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5205.763437][ T73] ___sys_sendmsg+0xee/0x170 [ 5205.763437][ T73] __sys_sendmsg+0xcd/0x170 [ 5205.763437][ T73] do_syscall_64+0xc6/0x1e0 [ 5205.763437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5205.763437][ T73] [ 5216.006901][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5216.007295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.007295][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5216.007295][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5216.007295][ T73] fib6_nh_init+0xa22/0x1580 [ 5216.007295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.007295][ T73] ip6_route_add+0x1c/0x140 [ 5216.007295][ T73] inet6_rtm_newroute+0x104/0x110 [ 5216.007295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.007295][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.007295][ T73] netlink_unicast+0x449/0x710 [ 5216.007295][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.007295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.007295][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.007295][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.007295][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.007295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.007295][ T73] [ 5216.009197][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.009197][ T73] dst_init+0x84/0x4a0 [ 5216.009197][ T73] dst_alloc+0x97/0x150 [ 5216.009197][ T73] ip6_dst_alloc+0x23/0x90 [ 5216.009197][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5216.009197][ T73] ip6_pol_route+0x56f/0x840 [ 5216.009197][ T73] fib6_rule_lookup+0x456/0x630 [ 5216.009197][ T73] ip6_route_input+0x59c/0xa50 [ 5216.009197][ T73] ipv6_rcv+0x397/0x810 [ 5216.009197][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5216.009197][ T73] process_backlog+0x101/0x620 [ 5216.009197][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5216.009197][ T73] net_rx_action+0x495/0xbe0 [ 5216.009197][ T73] __do_softirq+0x1b5/0x7f6 [ 5216.009197][ T73] [ 5216.010849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.010849][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.010849][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.010849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.010849][ T73] ip6_route_add+0x1c/0x140 [ 5216.010849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5216.010849][ T73] inet6_addr_add+0x4f8/0xa40 [ 5216.010849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.010849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.010849][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.010849][ T73] netlink_unicast+0x449/0x710 [ 5216.010849][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.010849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.010849][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.010849][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.010849][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.010849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.010849][ T73] [ 5216.012844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.012844][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.012844][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.012844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.012844][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5216.012844][ T73] ipv6_add_addr+0x411/0x2000 [ 5216.012844][ T73] inet6_addr_add+0x30e/0xa40 [ 5216.012844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.012844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.012844][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.012844][ T73] netlink_unicast+0x449/0x710 [ 5216.012844][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.012844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.012844][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.012844][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.012844][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.012844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.012844][ T73] [ 5216.014844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.014844][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.014844][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.014844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.014844][ T73] ip6_route_add+0x1c/0x140 [ 5216.014844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5216.014844][ T73] addrconf_add_dev+0xe2/0x170 [ 5216.014844][ T73] inet6_addr_add+0x12f/0xa40 [ 5216.014844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.014844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.014844][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.014844][ T73] netlink_unicast+0x449/0x710 [ 5216.014844][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.014844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.014844][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.014844][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.014844][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.014844][ T73] [ 5216.016827][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.016827][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5216.016827][ T73] ipv6_find_idev+0x102/0x170 [ 5216.016827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.016827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.016827][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.016827][ T73] netlink_unicast+0x449/0x710 [ 5216.016827][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.016827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.016827][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.016827][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.016827][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.016827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.016827][ T73] [ 5216.018391][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5216.018391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5216.018391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5216.018391][ T73] ipv6_find_idev+0x102/0x170 [ 5216.018391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.018391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.018391][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.018391][ T73] netlink_unicast+0x449/0x710 [ 5216.018391][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.018391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.018391][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.018391][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.018391][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.018391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.018391][ T73] [ 5216.020076][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5216.020354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.020354][ T73] dst_init+0x84/0x4a0 [ 5216.020354][ T73] dst_alloc+0x97/0x150 [ 5216.020354][ T73] ip6_dst_alloc+0x23/0x90 [ 5216.020354][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5216.020354][ T73] ip6_pol_route+0x56f/0x840 [ 5216.020354][ T73] fib6_rule_lookup+0x456/0x630 [ 5216.020354][ T73] ip6_route_input+0x59c/0xa50 [ 5216.020354][ T73] ipv6_rcv+0x397/0x810 [ 5216.020354][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5216.020354][ T73] process_backlog+0x101/0x620 [ 5216.020354][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5216.020354][ T73] net_rx_action+0x495/0xbe0 [ 5216.020354][ T73] __do_softirq+0x1b5/0x7f6 [ 5216.020354][ T73] [ 5216.021991][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.021991][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.021991][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.021991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.021991][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5216.021991][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5216.021991][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5216.021991][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5216.021991][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5216.021991][ T73] addrconf_dad_begin+0x310/0x670 [ 5216.021991][ T73] addrconf_dad_work+0x10b/0xab0 [ 5216.021991][ T73] process_one_work+0x84d/0x18a0 [ 5216.021991][ T73] worker_thread+0x587/0xd30 [ 5216.021991][ T73] kthread+0x28a/0x350 [ 5216.021991][ T73] ret_from_fork+0x31/0x70 [ 5216.021991][ T73] ret_from_fork_asm+0x1a/0x30 [ 5216.021991][ T73] [ 5216.023904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.023904][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.023904][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.023904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.023904][ T73] ip6_route_add+0x1c/0x140 [ 5216.023904][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5216.023904][ T73] inet6_addr_add+0x4f8/0xa40 [ 5216.023904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.023904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.023904][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.023904][ T73] netlink_unicast+0x449/0x710 [ 5216.023904][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.023904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.023904][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.023904][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.023904][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.023904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.023904][ T73] [ 5216.025907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.025907][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.025907][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.025907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.025907][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5216.025907][ T73] ipv6_add_addr+0x411/0x2000 [ 5216.025907][ T73] inet6_addr_add+0x30e/0xa40 [ 5216.025907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.025907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.025907][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.025907][ T73] netlink_unicast+0x449/0x710 [ 5216.025907][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.025907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.025907][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.025907][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.025907][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.025907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.025907][ T73] [ 5216.028070][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.028070][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.028070][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.028070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.028070][ T73] ip6_route_add+0x1c/0x140 [ 5216.028070][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5216.028070][ T73] addrconf_add_dev+0xe2/0x170 [ 5216.028070][ T73] inet6_addr_add+0x12f/0xa40 [ 5216.028070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.028070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.028070][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.028070][ T73] netlink_unicast+0x449/0x710 [ 5216.028070][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.028070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.028070][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.028070][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.028070][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.028070][ T73] [ 5216.030195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.030195][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5216.030195][ T73] ipv6_find_idev+0x102/0x170 [ 5216.030195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.030195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.030195][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.030195][ T73] netlink_unicast+0x449/0x710 [ 5216.030195][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.030195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.030195][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.030195][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.030195][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.030195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.030195][ T73] [ 5216.031844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5216.031844][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5216.031844][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5216.031844][ T73] ipv6_find_idev+0x102/0x170 [ 5216.031844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.031844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.031844][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.031844][ T73] netlink_unicast+0x449/0x710 [ 5216.031844][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.031844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.031844][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.031844][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.031844][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.031844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.031844][ T73] [ 5216.033762][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5216.034056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.034056][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5216.034056][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5216.034056][ T73] fib6_nh_init+0xa22/0x1580 [ 5216.034056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.034056][ T73] ip6_route_add+0x1c/0x140 [ 5216.034056][ T73] inet6_rtm_newroute+0x104/0x110 [ 5216.034056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.034056][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.034056][ T73] netlink_unicast+0x449/0x710 [ 5216.034056][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.034056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.034056][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.034056][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.034056][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.034056][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.034056][ T73] [ 5216.036365][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.036365][ T73] dst_init+0x84/0x4a0 [ 5216.036365][ T73] dst_alloc+0x97/0x150 [ 5216.036365][ T73] ip6_dst_alloc+0x23/0x90 [ 5216.036365][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5216.036365][ T73] ip6_pol_route+0x56f/0x840 [ 5216.036365][ T73] fib6_rule_lookup+0x456/0x630 [ 5216.036365][ T73] ip6_route_input+0x59c/0xa50 [ 5216.036365][ T73] ipv6_rcv+0x397/0x810 [ 5216.036365][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5216.036365][ T73] process_backlog+0x101/0x620 [ 5216.036365][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5216.036365][ T73] net_rx_action+0x495/0xbe0 [ 5216.036365][ T73] __do_softirq+0x1b5/0x7f6 [ 5216.036365][ T73] [ 5216.038318][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.038318][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.038318][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.038318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.038318][ T73] ip6_route_add+0x1c/0x140 [ 5216.038318][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5216.038318][ T73] inet6_addr_add+0x4f8/0xa40 [ 5216.038318][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.038318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.038318][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.038318][ T73] netlink_unicast+0x449/0x710 [ 5216.038318][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.038318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.038318][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.038318][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.038318][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.038318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.038318][ T73] [ 5216.040731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.040731][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.040731][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.040731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.040731][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5216.040731][ T73] ipv6_add_addr+0x411/0x2000 [ 5216.040731][ T73] inet6_addr_add+0x30e/0xa40 [ 5216.040731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.040731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.040731][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.040731][ T73] netlink_unicast+0x449/0x710 [ 5216.040731][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.040731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.040731][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.040731][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.040731][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.040731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.040731][ T73] [ 5216.043152][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.043152][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.043152][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.043152][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.043152][ T73] ip6_route_add+0x1c/0x140 [ 5216.043152][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5216.043152][ T73] addrconf_add_dev+0xe2/0x170 [ 5216.043152][ T73] inet6_addr_add+0x12f/0xa40 [ 5216.043152][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.043152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.043152][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.043152][ T73] netlink_unicast+0x449/0x710 [ 5216.043152][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.043152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.043152][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.043152][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.043152][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.043152][ T73] [ 5216.045532][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.045532][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5216.045532][ T73] ipv6_find_idev+0x102/0x170 [ 5216.045532][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.045532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.045532][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.045532][ T73] netlink_unicast+0x449/0x710 [ 5216.045532][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.045532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.045532][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.045532][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.045532][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.045532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.045532][ T73] [ 5216.047399][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5216.047399][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5216.047399][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5216.047399][ T73] ipv6_find_idev+0x102/0x170 [ 5216.047399][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.047399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.047399][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.047399][ T73] netlink_unicast+0x449/0x710 [ 5216.047399][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.047399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.047399][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.047399][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.047399][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.047399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.047399][ T73] [ 5216.049482][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5216.049774][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5216.049774][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.049774][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.049774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.049774][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5216.049774][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5216.049774][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5216.049774][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5216.049774][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5216.049774][ T73] addrconf_dad_begin+0x310/0x670 [ 5216.049774][ T73] addrconf_dad_work+0x10b/0xab0 [ 5216.049774][ T73] process_one_work+0x84d/0x18a0 [ 5216.049774][ T73] worker_thread+0x587/0xd30 [ 5216.049774][ T73] kthread+0x28a/0x350 [ 5216.049774][ T73] ret_from_fork+0x31/0x70 [ 5216.049774][ T73] ret_from_fork_asm+0x1a/0x30 [ 5216.049774][ T73] [ 5216.052104][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5216.052104][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.052104][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.052104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.052104][ T73] ip6_route_add+0x1c/0x140 [ 5216.052104][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5216.052104][ T73] inet6_addr_add+0x4f8/0xa40 [ 5216.052104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.052104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.052104][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.052104][ T73] netlink_unicast+0x449/0x710 [ 5216.052104][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.052104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.052104][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.052104][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.052104][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.052104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.052104][ T73] [ 5216.054515][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5216.054515][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.054515][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.054515][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.054515][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5216.054515][ T73] ipv6_add_addr+0x411/0x2000 [ 5216.054515][ T73] inet6_addr_add+0x30e/0xa40 [ 5216.054515][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.054515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.054515][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.054515][ T73] netlink_unicast+0x449/0x710 [ 5216.054515][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.054515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.054515][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.054515][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.054515][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.054515][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.054515][ T73] [ 5216.056903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5216.056903][ T73] netdev_get_by_index+0x5e/0x80 [ 5216.056903][ T73] fib6_nh_init+0x3d8/0x1580 [ 5216.056903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5216.056903][ T73] ip6_route_add+0x1c/0x140 [ 5216.056903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5216.056903][ T73] addrconf_add_dev+0xe2/0x170 [ 5216.056903][ T73] inet6_addr_add+0x12f/0xa40 [ 5216.056903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.056903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.056903][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.056903][ T73] netlink_unicast+0x449/0x710 [ 5216.056903][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.056903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.056903][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.056903][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.056903][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.056903][ T73] [ 5216.059263][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5216.059263][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5216.059263][ T73] ipv6_find_idev+0x102/0x170 [ 5216.059263][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.059263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.059263][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.059263][ T73] netlink_unicast+0x449/0x710 [ 5216.059263][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.059263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.059263][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.059263][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.059263][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.059263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.059263][ T73] [ 5216.060999][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5216.060999][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5216.060999][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5216.060999][ T73] ipv6_find_idev+0x102/0x170 [ 5216.060999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.060999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.060999][ T73] netlink_rcv_skb+0x130/0x360 [ 5216.060999][ T73] netlink_unicast+0x449/0x710 [ 5216.060999][ T73] netlink_sendmsg+0x723/0xbe0 [ 5216.060999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5216.060999][ T73] ___sys_sendmsg+0xee/0x170 [ 5216.060999][ T73] __sys_sendmsg+0xcd/0x170 [ 5216.060999][ T73] do_syscall_64+0xc6/0x1e0 [ 5216.060999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.060999][ T73] [ 5226.302849][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5226.303267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.303267][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5226.303267][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5226.303267][ T73] fib6_nh_init+0xa22/0x1580 [ 5226.303267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.303267][ T73] ip6_route_add+0x1c/0x140 [ 5226.303267][ T73] inet6_rtm_newroute+0x104/0x110 [ 5226.303267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.303267][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.303267][ T73] netlink_unicast+0x449/0x710 [ 5226.303267][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.303267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.303267][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.303267][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.303267][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.303267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.303267][ T73] [ 5226.305292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.305292][ T73] dst_init+0x84/0x4a0 [ 5226.305292][ T73] dst_alloc+0x97/0x150 [ 5226.305292][ T73] ip6_dst_alloc+0x23/0x90 [ 5226.305292][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5226.305292][ T73] ip6_pol_route+0x56f/0x840 [ 5226.305292][ T73] fib6_rule_lookup+0x456/0x630 [ 5226.305292][ T73] ip6_route_input+0x59c/0xa50 [ 5226.305292][ T73] ipv6_rcv+0x397/0x810 [ 5226.305292][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5226.305292][ T73] process_backlog+0x101/0x620 [ 5226.305292][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5226.305292][ T73] net_rx_action+0x495/0xbe0 [ 5226.305292][ T73] __do_softirq+0x1b5/0x7f6 [ 5226.305292][ T73] [ 5226.307057][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.307057][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.307057][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.307057][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.307057][ T73] ip6_route_add+0x1c/0x140 [ 5226.307057][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5226.307057][ T73] inet6_addr_add+0x4f8/0xa40 [ 5226.307057][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.307057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.307057][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.307057][ T73] netlink_unicast+0x449/0x710 [ 5226.307057][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.307057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.307057][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.307057][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.307057][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.307057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.307057][ T73] [ 5226.309222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.309222][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.309222][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.309222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.309222][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5226.309222][ T73] ipv6_add_addr+0x411/0x2000 [ 5226.309222][ T73] inet6_addr_add+0x30e/0xa40 [ 5226.309222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.309222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.309222][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.309222][ T73] netlink_unicast+0x449/0x710 [ 5226.309222][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.309222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.309222][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.309222][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.309222][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.309222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.309222][ T73] [ 5226.311404][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.311404][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.311404][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.311404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.311404][ T73] ip6_route_add+0x1c/0x140 [ 5226.311404][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5226.311404][ T73] addrconf_add_dev+0xe2/0x170 [ 5226.311404][ T73] inet6_addr_add+0x12f/0xa40 [ 5226.311404][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.311404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.311404][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.311404][ T73] netlink_unicast+0x449/0x710 [ 5226.311404][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.311404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.311404][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.311404][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.311404][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.311404][ T73] [ 5226.313537][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.313537][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5226.313537][ T73] ipv6_find_idev+0x102/0x170 [ 5226.313537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.313537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.313537][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.313537][ T73] netlink_unicast+0x449/0x710 [ 5226.313537][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.313537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.313537][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.313537][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.313537][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.313537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.313537][ T73] [ 5226.315144][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5226.315144][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5226.315144][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5226.315144][ T73] ipv6_find_idev+0x102/0x170 [ 5226.315144][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.315144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.315144][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.315144][ T73] netlink_unicast+0x449/0x710 [ 5226.315144][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.315144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.315144][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.315144][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.315144][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.315144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.315144][ T73] [ 5226.316858][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5226.317129][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.317129][ T73] dst_init+0x84/0x4a0 [ 5226.317129][ T73] dst_alloc+0x97/0x150 [ 5226.317129][ T73] ip6_dst_alloc+0x23/0x90 [ 5226.317129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5226.317129][ T73] ip6_pol_route+0x56f/0x840 [ 5226.317129][ T73] fib6_rule_lookup+0x456/0x630 [ 5226.317129][ T73] ip6_route_input+0x59c/0xa50 [ 5226.317129][ T73] ipv6_rcv+0x397/0x810 [ 5226.317129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5226.317129][ T73] process_backlog+0x101/0x620 [ 5226.317129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5226.317129][ T73] net_rx_action+0x495/0xbe0 [ 5226.317129][ T73] __do_softirq+0x1b5/0x7f6 [ 5226.317129][ T73] [ 5226.318760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.318760][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.318760][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.318760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.318760][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5226.318760][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5226.318760][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5226.318760][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5226.318760][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5226.318760][ T73] addrconf_dad_begin+0x310/0x670 [ 5226.318760][ T73] addrconf_dad_work+0x10b/0xab0 [ 5226.318760][ T73] process_one_work+0x84d/0x18a0 [ 5226.318760][ T73] worker_thread+0x587/0xd30 [ 5226.318760][ T73] kthread+0x28a/0x350 [ 5226.318760][ T73] ret_from_fork+0x31/0x70 [ 5226.318760][ T73] ret_from_fork_asm+0x1a/0x30 [ 5226.318760][ T73] [ 5226.320662][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.320662][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.320662][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.320662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.320662][ T73] ip6_route_add+0x1c/0x140 [ 5226.320662][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5226.320662][ T73] inet6_addr_add+0x4f8/0xa40 [ 5226.320662][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.320662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.320662][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.320662][ T73] netlink_unicast+0x449/0x710 [ 5226.320662][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.320662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.320662][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.320662][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.320662][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.320662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.320662][ T73] [ 5226.322737][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.322737][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.322737][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.322737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.322737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5226.322737][ T73] ipv6_add_addr+0x411/0x2000 [ 5226.322737][ T73] inet6_addr_add+0x30e/0xa40 [ 5226.322737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.322737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.322737][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.322737][ T73] netlink_unicast+0x449/0x710 [ 5226.322737][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.322737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.322737][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.322737][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.322737][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.322737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.322737][ T73] [ 5226.324775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.324775][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.324775][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.324775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.324775][ T73] ip6_route_add+0x1c/0x140 [ 5226.324775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5226.324775][ T73] addrconf_add_dev+0xe2/0x170 [ 5226.324775][ T73] inet6_addr_add+0x12f/0xa40 [ 5226.324775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.324775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.324775][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.324775][ T73] netlink_unicast+0x449/0x710 [ 5226.324775][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.324775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.324775][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.324775][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.324775][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.324775][ T73] [ 5226.326760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.326760][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5226.326760][ T73] ipv6_find_idev+0x102/0x170 [ 5226.326760][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.326760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.326760][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.326760][ T73] netlink_unicast+0x449/0x710 [ 5226.326760][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.326760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.326760][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.326760][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.326760][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.326760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.326760][ T73] [ 5226.328307][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5226.328307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5226.328307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5226.328307][ T73] ipv6_find_idev+0x102/0x170 [ 5226.328307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.328307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.328307][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.328307][ T73] netlink_unicast+0x449/0x710 [ 5226.328307][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.328307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.328307][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.328307][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.328307][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.328307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.328307][ T73] [ 5226.330135][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5226.330418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.330418][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5226.330418][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5226.330418][ T73] fib6_nh_init+0xa22/0x1580 [ 5226.330418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.330418][ T73] ip6_route_add+0x1c/0x140 [ 5226.330418][ T73] inet6_rtm_newroute+0x104/0x110 [ 5226.330418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.330418][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.330418][ T73] netlink_unicast+0x449/0x710 [ 5226.330418][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.330418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.330418][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.330418][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.330418][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.330418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.330418][ T73] [ 5226.332659][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.332659][ T73] dst_init+0x84/0x4a0 [ 5226.332659][ T73] dst_alloc+0x97/0x150 [ 5226.332659][ T73] ip6_dst_alloc+0x23/0x90 [ 5226.332659][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5226.332659][ T73] ip6_pol_route+0x56f/0x840 [ 5226.332659][ T73] fib6_rule_lookup+0x456/0x630 [ 5226.332659][ T73] ip6_route_input+0x59c/0xa50 [ 5226.332659][ T73] ipv6_rcv+0x397/0x810 [ 5226.332659][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5226.332659][ T73] process_backlog+0x101/0x620 [ 5226.332659][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5226.332659][ T73] net_rx_action+0x495/0xbe0 [ 5226.332659][ T73] __do_softirq+0x1b5/0x7f6 [ 5226.332659][ T73] [ 5226.334596][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.334596][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.334596][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.334596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.334596][ T73] ip6_route_add+0x1c/0x140 [ 5226.334596][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5226.334596][ T73] inet6_addr_add+0x4f8/0xa40 [ 5226.334596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.334596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.334596][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.334596][ T73] netlink_unicast+0x449/0x710 [ 5226.334596][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.334596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.334596][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.334596][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.334596][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.334596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.334596][ T73] [ 5226.336863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.336863][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.336863][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.336863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.336863][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5226.336863][ T73] ipv6_add_addr+0x411/0x2000 [ 5226.336863][ T73] inet6_addr_add+0x30e/0xa40 [ 5226.336863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.336863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.336863][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.336863][ T73] netlink_unicast+0x449/0x710 [ 5226.336863][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.336863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.336863][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.336863][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.336863][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.336863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.336863][ T73] [ 5226.339135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.339135][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.339135][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.339135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.339135][ T73] ip6_route_add+0x1c/0x140 [ 5226.339135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5226.339135][ T73] addrconf_add_dev+0xe2/0x170 [ 5226.339135][ T73] inet6_addr_add+0x12f/0xa40 [ 5226.339135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.339135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.339135][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.339135][ T73] netlink_unicast+0x449/0x710 [ 5226.339135][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.339135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.339135][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.339135][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.339135][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.339135][ T73] [ 5226.341453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.341453][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5226.341453][ T73] ipv6_find_idev+0x102/0x170 [ 5226.341453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.341453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.341453][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.341453][ T73] netlink_unicast+0x449/0x710 [ 5226.341453][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.341453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.341453][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.341453][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.341453][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.341453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.341453][ T73] [ 5226.343185][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5226.343185][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5226.343185][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5226.343185][ T73] ipv6_find_idev+0x102/0x170 [ 5226.343185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.343185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.343185][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.343185][ T73] netlink_unicast+0x449/0x710 [ 5226.343185][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.343185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.343185][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.343185][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.343185][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.343185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.343185][ T73] [ 5226.345002][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5226.345328][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5226.345328][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.345328][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.345328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.345328][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5226.345328][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5226.345328][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5226.345328][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5226.345328][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5226.345328][ T73] addrconf_dad_begin+0x310/0x670 [ 5226.345328][ T73] addrconf_dad_work+0x10b/0xab0 [ 5226.345328][ T73] process_one_work+0x84d/0x18a0 [ 5226.345328][ T73] worker_thread+0x587/0xd30 [ 5226.345328][ T73] kthread+0x28a/0x350 [ 5226.345328][ T73] ret_from_fork+0x31/0x70 [ 5226.345328][ T73] ret_from_fork_asm+0x1a/0x30 [ 5226.345328][ T73] [ 5226.347438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5226.347438][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.347438][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.347438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.347438][ T73] ip6_route_add+0x1c/0x140 [ 5226.347438][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5226.347438][ T73] inet6_addr_add+0x4f8/0xa40 [ 5226.347438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.347438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.347438][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.347438][ T73] netlink_unicast+0x449/0x710 [ 5226.347438][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.347438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.347438][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.347438][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.347438][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.347438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.347438][ T73] [ 5226.349690][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5226.349690][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.349690][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.349690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.349690][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5226.349690][ T73] ipv6_add_addr+0x411/0x2000 [ 5226.349690][ T73] inet6_addr_add+0x30e/0xa40 [ 5226.349690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.349690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.349690][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.349690][ T73] netlink_unicast+0x449/0x710 [ 5226.349690][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.349690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.349690][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.349690][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.349690][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.349690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.349690][ T73] [ 5226.352012][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5226.352012][ T73] netdev_get_by_index+0x5e/0x80 [ 5226.352012][ T73] fib6_nh_init+0x3d8/0x1580 [ 5226.352012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5226.352012][ T73] ip6_route_add+0x1c/0x140 [ 5226.352012][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5226.352012][ T73] addrconf_add_dev+0xe2/0x170 [ 5226.352012][ T73] inet6_addr_add+0x12f/0xa40 [ 5226.352012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.352012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.352012][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.352012][ T73] netlink_unicast+0x449/0x710 [ 5226.352012][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.352012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.352012][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.352012][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.352012][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.352012][ T73] [ 5226.354194][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5226.354194][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5226.354194][ T73] ipv6_find_idev+0x102/0x170 [ 5226.354194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.354194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.354194][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.354194][ T73] netlink_unicast+0x449/0x710 [ 5226.354194][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.354194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.354194][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.354194][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.354194][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.354194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.354194][ T73] [ 5226.355941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5226.355941][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5226.355941][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5226.355941][ T73] ipv6_find_idev+0x102/0x170 [ 5226.355941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.355941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.355941][ T73] netlink_rcv_skb+0x130/0x360 [ 5226.355941][ T73] netlink_unicast+0x449/0x710 [ 5226.355941][ T73] netlink_sendmsg+0x723/0xbe0 [ 5226.355941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5226.355941][ T73] ___sys_sendmsg+0xee/0x170 [ 5226.355941][ T73] __sys_sendmsg+0xcd/0x170 [ 5226.355941][ T73] do_syscall_64+0xc6/0x1e0 [ 5226.355941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.355941][ T73] [ 5236.598844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5236.599259][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.599259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5236.599259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5236.599259][ T73] fib6_nh_init+0xa22/0x1580 [ 5236.599259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.599259][ T73] ip6_route_add+0x1c/0x140 [ 5236.599259][ T73] inet6_rtm_newroute+0x104/0x110 [ 5236.599259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.599259][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.599259][ T73] netlink_unicast+0x449/0x710 [ 5236.599259][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.599259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.599259][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.599259][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.599259][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.599259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.599259][ T73] [ 5236.601279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.601279][ T73] dst_init+0x84/0x4a0 [ 5236.601279][ T73] dst_alloc+0x97/0x150 [ 5236.601279][ T73] ip6_dst_alloc+0x23/0x90 [ 5236.601279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5236.601279][ T73] ip6_pol_route+0x56f/0x840 [ 5236.601279][ T73] fib6_rule_lookup+0x456/0x630 [ 5236.601279][ T73] ip6_route_input+0x59c/0xa50 [ 5236.601279][ T73] ipv6_rcv+0x397/0x810 [ 5236.601279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5236.601279][ T73] process_backlog+0x101/0x620 [ 5236.601279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5236.601279][ T73] net_rx_action+0x495/0xbe0 [ 5236.601279][ T73] __do_softirq+0x1b5/0x7f6 [ 5236.601279][ T73] [ 5236.603047][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.603047][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.603047][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.603047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.603047][ T73] ip6_route_add+0x1c/0x140 [ 5236.603047][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5236.603047][ T73] inet6_addr_add+0x4f8/0xa40 [ 5236.603047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.603047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.603047][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.603047][ T73] netlink_unicast+0x449/0x710 [ 5236.603047][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.603047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.603047][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.603047][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.603047][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.603047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.603047][ T73] [ 5236.605207][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.605207][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.605207][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.605207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.605207][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5236.605207][ T73] ipv6_add_addr+0x411/0x2000 [ 5236.605207][ T73] inet6_addr_add+0x30e/0xa40 [ 5236.605207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.605207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.605207][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.605207][ T73] netlink_unicast+0x449/0x710 [ 5236.605207][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.605207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.605207][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.605207][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.605207][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.605207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.605207][ T73] [ 5236.607373][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.607373][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.607373][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.607373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.607373][ T73] ip6_route_add+0x1c/0x140 [ 5236.607373][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5236.607373][ T73] addrconf_add_dev+0xe2/0x170 [ 5236.607373][ T73] inet6_addr_add+0x12f/0xa40 [ 5236.607373][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.607373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.607373][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.607373][ T73] netlink_unicast+0x449/0x710 [ 5236.607373][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.607373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.607373][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.607373][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.607373][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.607373][ T73] [ 5236.609329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.609329][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5236.609329][ T73] ipv6_find_idev+0x102/0x170 [ 5236.609329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.609329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.609329][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.609329][ T73] netlink_unicast+0x449/0x710 [ 5236.609329][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.609329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.609329][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.609329][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.609329][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.609329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.609329][ T73] [ 5236.610858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5236.610858][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5236.610858][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5236.610858][ T73] ipv6_find_idev+0x102/0x170 [ 5236.610858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.610858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.610858][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.610858][ T73] netlink_unicast+0x449/0x710 [ 5236.610858][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.610858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.610858][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.610858][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.610858][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.610858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.610858][ T73] [ 5236.612533][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5236.612798][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.612798][ T73] dst_init+0x84/0x4a0 [ 5236.612798][ T73] dst_alloc+0x97/0x150 [ 5236.612798][ T73] ip6_dst_alloc+0x23/0x90 [ 5236.612798][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5236.612798][ T73] ip6_pol_route+0x56f/0x840 [ 5236.612798][ T73] fib6_rule_lookup+0x456/0x630 [ 5236.612798][ T73] ip6_route_input+0x59c/0xa50 [ 5236.612798][ T73] ipv6_rcv+0x397/0x810 [ 5236.612798][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5236.612798][ T73] process_backlog+0x101/0x620 [ 5236.612798][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5236.612798][ T73] net_rx_action+0x495/0xbe0 [ 5236.612798][ T73] __do_softirq+0x1b5/0x7f6 [ 5236.612798][ T73] [ 5236.614433][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.614433][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.614433][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.614433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.614433][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5236.614433][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5236.614433][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5236.614433][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5236.614433][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5236.614433][ T73] addrconf_dad_begin+0x310/0x670 [ 5236.614433][ T73] addrconf_dad_work+0x10b/0xab0 [ 5236.614433][ T73] process_one_work+0x84d/0x18a0 [ 5236.614433][ T73] worker_thread+0x587/0xd30 [ 5236.614433][ T73] kthread+0x28a/0x350 [ 5236.614433][ T73] ret_from_fork+0x31/0x70 [ 5236.614433][ T73] ret_from_fork_asm+0x1a/0x30 [ 5236.614433][ T73] [ 5236.616335][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.616335][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.616335][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.616335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.616335][ T73] ip6_route_add+0x1c/0x140 [ 5236.616335][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5236.616335][ T73] inet6_addr_add+0x4f8/0xa40 [ 5236.616335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.616335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.616335][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.616335][ T73] netlink_unicast+0x449/0x710 [ 5236.616335][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.616335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.616335][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.616335][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.616335][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.616335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.616335][ T73] [ 5236.618325][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.618325][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.618325][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.618325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.618325][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5236.618325][ T73] ipv6_add_addr+0x411/0x2000 [ 5236.618325][ T73] inet6_addr_add+0x30e/0xa40 [ 5236.618325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.618325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.618325][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.618325][ T73] netlink_unicast+0x449/0x710 [ 5236.618325][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.618325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.618325][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.618325][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.618325][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.618325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.618325][ T73] [ 5236.620306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.620306][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.620306][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.620306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.620306][ T73] ip6_route_add+0x1c/0x140 [ 5236.620306][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5236.620306][ T73] addrconf_add_dev+0xe2/0x170 [ 5236.620306][ T73] inet6_addr_add+0x12f/0xa40 [ 5236.620306][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.620306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.620306][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.620306][ T73] netlink_unicast+0x449/0x710 [ 5236.620306][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.620306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.620306][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.620306][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.620306][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.620306][ T73] [ 5236.622252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.622252][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5236.622252][ T73] ipv6_find_idev+0x102/0x170 [ 5236.622252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.622252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.622252][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.622252][ T73] netlink_unicast+0x449/0x710 [ 5236.622252][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.622252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.622252][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.622252][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.622252][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.622252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.622252][ T73] [ 5236.623779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5236.623779][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5236.623779][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5236.623779][ T73] ipv6_find_idev+0x102/0x170 [ 5236.623779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.623779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.623779][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.623779][ T73] netlink_unicast+0x449/0x710 [ 5236.623779][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.623779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.623779][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.623779][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.623779][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.623779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.623779][ T73] [ 5236.625507][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5236.625771][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.625771][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5236.625771][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5236.625771][ T73] fib6_nh_init+0xa22/0x1580 [ 5236.625771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.625771][ T73] ip6_route_add+0x1c/0x140 [ 5236.625771][ T73] inet6_rtm_newroute+0x104/0x110 [ 5236.625771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.625771][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.625771][ T73] netlink_unicast+0x449/0x710 [ 5236.625771][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.625771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.625771][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.625771][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.625771][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.625771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.625771][ T73] [ 5236.627881][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.627881][ T73] dst_init+0x84/0x4a0 [ 5236.627881][ T73] dst_alloc+0x97/0x150 [ 5236.627881][ T73] ip6_dst_alloc+0x23/0x90 [ 5236.627881][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5236.627881][ T73] ip6_pol_route+0x56f/0x840 [ 5236.627881][ T73] fib6_rule_lookup+0x456/0x630 [ 5236.627881][ T73] ip6_route_input+0x59c/0xa50 [ 5236.627881][ T73] ipv6_rcv+0x397/0x810 [ 5236.627881][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5236.627881][ T73] process_backlog+0x101/0x620 [ 5236.627881][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5236.627881][ T73] net_rx_action+0x495/0xbe0 [ 5236.627881][ T73] __do_softirq+0x1b5/0x7f6 [ 5236.627881][ T73] [ 5236.629589][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.629589][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.629589][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.629589][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.629589][ T73] ip6_route_add+0x1c/0x140 [ 5236.629589][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5236.629589][ T73] inet6_addr_add+0x4f8/0xa40 [ 5236.629589][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.629589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.629589][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.629589][ T73] netlink_unicast+0x449/0x710 [ 5236.629589][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.629589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.629589][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.629589][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.629589][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.629589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.629589][ T73] [ 5236.631728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.631728][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.631728][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.631728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.631728][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5236.631728][ T73] ipv6_add_addr+0x411/0x2000 [ 5236.631728][ T73] inet6_addr_add+0x30e/0xa40 [ 5236.631728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.631728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.631728][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.631728][ T73] netlink_unicast+0x449/0x710 [ 5236.631728][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.631728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.631728][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.631728][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.631728][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.631728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.631728][ T73] [ 5236.633799][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.633799][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.633799][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.633799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.633799][ T73] ip6_route_add+0x1c/0x140 [ 5236.633799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5236.633799][ T73] addrconf_add_dev+0xe2/0x170 [ 5236.633799][ T73] inet6_addr_add+0x12f/0xa40 [ 5236.633799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.633799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.633799][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.633799][ T73] netlink_unicast+0x449/0x710 [ 5236.633799][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.633799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.633799][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.633799][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.633799][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.633799][ T73] [ 5236.635917][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.635917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5236.635917][ T73] ipv6_find_idev+0x102/0x170 [ 5236.635917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.635917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.635917][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.635917][ T73] netlink_unicast+0x449/0x710 [ 5236.635917][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.635917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.635917][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.635917][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.635917][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.635917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.635917][ T73] [ 5236.637527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5236.637527][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5236.637527][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5236.637527][ T73] ipv6_find_idev+0x102/0x170 [ 5236.637527][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.637527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.637527][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.637527][ T73] netlink_unicast+0x449/0x710 [ 5236.637527][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.637527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.637527][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.637527][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.637527][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.637527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.637527][ T73] [ 5236.639331][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5236.639595][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5236.639595][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.639595][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.639595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.639595][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5236.639595][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5236.639595][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5236.639595][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5236.639595][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5236.639595][ T73] addrconf_dad_begin+0x310/0x670 [ 5236.639595][ T73] addrconf_dad_work+0x10b/0xab0 [ 5236.639595][ T73] process_one_work+0x84d/0x18a0 [ 5236.639595][ T73] worker_thread+0x587/0xd30 [ 5236.639595][ T73] kthread+0x28a/0x350 [ 5236.639595][ T73] ret_from_fork+0x31/0x70 [ 5236.639595][ T73] ret_from_fork_asm+0x1a/0x30 [ 5236.639595][ T73] [ 5236.641623][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5236.641623][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.641623][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.641623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.641623][ T73] ip6_route_add+0x1c/0x140 [ 5236.641623][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5236.641623][ T73] inet6_addr_add+0x4f8/0xa40 [ 5236.641623][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.641623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.641623][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.641623][ T73] netlink_unicast+0x449/0x710 [ 5236.641623][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.641623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.641623][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.641623][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.641623][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.641623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.641623][ T73] [ 5236.643760][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5236.643760][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.643760][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.643760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.643760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5236.643760][ T73] ipv6_add_addr+0x411/0x2000 [ 5236.643760][ T73] inet6_addr_add+0x30e/0xa40 [ 5236.643760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.643760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.643760][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.643760][ T73] netlink_unicast+0x449/0x710 [ 5236.643760][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.643760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.643760][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.643760][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.643760][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.643760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.643760][ T73] [ 5236.645906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5236.645906][ T73] netdev_get_by_index+0x5e/0x80 [ 5236.645906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5236.645906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5236.645906][ T73] ip6_route_add+0x1c/0x140 [ 5236.645906][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5236.645906][ T73] addrconf_add_dev+0xe2/0x170 [ 5236.645906][ T73] inet6_addr_add+0x12f/0xa40 [ 5236.645906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.645906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.645906][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.645906][ T73] netlink_unicast+0x449/0x710 [ 5236.645906][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.645906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.645906][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.645906][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.645906][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.645906][ T73] [ 5236.648017][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5236.648017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5236.648017][ T73] ipv6_find_idev+0x102/0x170 [ 5236.648017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.648017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.648017][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.648017][ T73] netlink_unicast+0x449/0x710 [ 5236.648017][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.648017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.648017][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.648017][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.648017][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.648017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.648017][ T73] [ 5236.649639][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5236.649639][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5236.649639][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5236.649639][ T73] ipv6_find_idev+0x102/0x170 [ 5236.649639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.649639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.649639][ T73] netlink_rcv_skb+0x130/0x360 [ 5236.649639][ T73] netlink_unicast+0x449/0x710 [ 5236.649639][ T73] netlink_sendmsg+0x723/0xbe0 [ 5236.649639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5236.649639][ T73] ___sys_sendmsg+0xee/0x170 [ 5236.649639][ T73] __sys_sendmsg+0xcd/0x170 [ 5236.649639][ T73] do_syscall_64+0xc6/0x1e0 [ 5236.649639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.649639][ T73] [ 5246.894888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5246.895305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.895305][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5246.895305][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5246.895305][ T73] fib6_nh_init+0xa22/0x1580 [ 5246.895305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.895305][ T73] ip6_route_add+0x1c/0x140 [ 5246.895305][ T73] inet6_rtm_newroute+0x104/0x110 [ 5246.895305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.895305][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.895305][ T73] netlink_unicast+0x449/0x710 [ 5246.895305][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.895305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.895305][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.895305][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.895305][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.895305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.895305][ T73] [ 5246.897343][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.897343][ T73] dst_init+0x84/0x4a0 [ 5246.897343][ T73] dst_alloc+0x97/0x150 [ 5246.897343][ T73] ip6_dst_alloc+0x23/0x90 [ 5246.897343][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5246.897343][ T73] ip6_pol_route+0x56f/0x840 [ 5246.897343][ T73] fib6_rule_lookup+0x456/0x630 [ 5246.897343][ T73] ip6_route_input+0x59c/0xa50 [ 5246.897343][ T73] ipv6_rcv+0x397/0x810 [ 5246.897343][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5246.897343][ T73] process_backlog+0x101/0x620 [ 5246.897343][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5246.897343][ T73] net_rx_action+0x495/0xbe0 [ 5246.897343][ T73] __do_softirq+0x1b5/0x7f6 [ 5246.897343][ T73] [ 5246.899103][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.899103][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.899103][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.899103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.899103][ T73] ip6_route_add+0x1c/0x140 [ 5246.899103][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5246.899103][ T73] inet6_addr_add+0x4f8/0xa40 [ 5246.899103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.899103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.899103][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.899103][ T73] netlink_unicast+0x449/0x710 [ 5246.899103][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.899103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.899103][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.899103][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.899103][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.899103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.899103][ T73] [ 5246.901250][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.901250][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.901250][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.901250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.901250][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5246.901250][ T73] ipv6_add_addr+0x411/0x2000 [ 5246.901250][ T73] inet6_addr_add+0x30e/0xa40 [ 5246.901250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.901250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.901250][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.901250][ T73] netlink_unicast+0x449/0x710 [ 5246.901250][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.901250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.901250][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.901250][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.901250][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.901250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.901250][ T73] [ 5246.903391][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.903391][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.903391][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.903391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.903391][ T73] ip6_route_add+0x1c/0x140 [ 5246.903391][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5246.903391][ T73] addrconf_add_dev+0xe2/0x170 [ 5246.903391][ T73] inet6_addr_add+0x12f/0xa40 [ 5246.903391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.903391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.903391][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.903391][ T73] netlink_unicast+0x449/0x710 [ 5246.903391][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.903391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.903391][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.903391][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.903391][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.903391][ T73] [ 5246.905492][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.905492][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5246.905492][ T73] ipv6_find_idev+0x102/0x170 [ 5246.905492][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.905492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.905492][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.905492][ T73] netlink_unicast+0x449/0x710 [ 5246.905492][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.905492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.905492][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.905492][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.905492][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.905492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.905492][ T73] [ 5246.907159][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5246.907159][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5246.907159][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5246.907159][ T73] ipv6_find_idev+0x102/0x170 [ 5246.907159][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.907159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.907159][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.907159][ T73] netlink_unicast+0x449/0x710 [ 5246.907159][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.907159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.907159][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.907159][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.907159][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.907159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.907159][ T73] [ 5246.908960][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5246.909247][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.909247][ T73] dst_init+0x84/0x4a0 [ 5246.909247][ T73] dst_alloc+0x97/0x150 [ 5246.909247][ T73] ip6_dst_alloc+0x23/0x90 [ 5246.909247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5246.909247][ T73] ip6_pol_route+0x56f/0x840 [ 5246.909247][ T73] fib6_rule_lookup+0x456/0x630 [ 5246.909247][ T73] ip6_route_input+0x59c/0xa50 [ 5246.909247][ T73] ipv6_rcv+0x397/0x810 [ 5246.909247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5246.909247][ T73] process_backlog+0x101/0x620 [ 5246.909247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5246.909247][ T73] net_rx_action+0x495/0xbe0 [ 5246.909247][ T73] __do_softirq+0x1b5/0x7f6 [ 5246.909247][ T73] [ 5246.911013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.911013][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.911013][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.911013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.911013][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5246.911013][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5246.911013][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5246.911013][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5246.911013][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5246.911013][ T73] addrconf_dad_begin+0x310/0x670 [ 5246.911013][ T73] addrconf_dad_work+0x10b/0xab0 [ 5246.911013][ T73] process_one_work+0x84d/0x18a0 [ 5246.911013][ T73] worker_thread+0x587/0xd30 [ 5246.911013][ T73] kthread+0x28a/0x350 [ 5246.911013][ T73] ret_from_fork+0x31/0x70 [ 5246.911013][ T73] ret_from_fork_asm+0x1a/0x30 [ 5246.911013][ T73] [ 5246.913098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.913098][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.913098][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.913098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.913098][ T73] ip6_route_add+0x1c/0x140 [ 5246.913098][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5246.913098][ T73] inet6_addr_add+0x4f8/0xa40 [ 5246.913098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.913098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.913098][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.913098][ T73] netlink_unicast+0x449/0x710 [ 5246.913098][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.913098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.913098][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.913098][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.913098][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.913098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.913098][ T73] [ 5246.915253][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.915253][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.915253][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.915253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.915253][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5246.915253][ T73] ipv6_add_addr+0x411/0x2000 [ 5246.915253][ T73] inet6_addr_add+0x30e/0xa40 [ 5246.915253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.915253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.915253][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.915253][ T73] netlink_unicast+0x449/0x710 [ 5246.915253][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.915253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.915253][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.915253][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.915253][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.915253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.915253][ T73] [ 5246.917421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.917421][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.917421][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.917421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.917421][ T73] ip6_route_add+0x1c/0x140 [ 5246.917421][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5246.917421][ T73] addrconf_add_dev+0xe2/0x170 [ 5246.917421][ T73] inet6_addr_add+0x12f/0xa40 [ 5246.917421][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.917421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.917421][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.917421][ T73] netlink_unicast+0x449/0x710 [ 5246.917421][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.917421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.917421][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.917421][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.917421][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.917421][ T73] [ 5246.919535][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.919535][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5246.919535][ T73] ipv6_find_idev+0x102/0x170 [ 5246.919535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.919535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.919535][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.919535][ T73] netlink_unicast+0x449/0x710 [ 5246.919535][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.919535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.919535][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.919535][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.919535][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.919535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.919535][ T73] [ 5246.921205][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5246.921205][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5246.921205][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5246.921205][ T73] ipv6_find_idev+0x102/0x170 [ 5246.921205][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.921205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.921205][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.921205][ T73] netlink_unicast+0x449/0x710 [ 5246.921205][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.921205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.921205][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.921205][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.921205][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.921205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.921205][ T73] [ 5246.923123][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5246.923407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.923407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5246.923407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5246.923407][ T73] fib6_nh_init+0xa22/0x1580 [ 5246.923407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.923407][ T73] ip6_route_add+0x1c/0x140 [ 5246.923407][ T73] inet6_rtm_newroute+0x104/0x110 [ 5246.923407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.923407][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.923407][ T73] netlink_unicast+0x449/0x710 [ 5246.923407][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.923407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.923407][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.923407][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.923407][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.923407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.923407][ T73] [ 5246.925666][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.925666][ T73] dst_init+0x84/0x4a0 [ 5246.925666][ T73] dst_alloc+0x97/0x150 [ 5246.925666][ T73] ip6_dst_alloc+0x23/0x90 [ 5246.925666][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5246.925666][ T73] ip6_pol_route+0x56f/0x840 [ 5246.925666][ T73] fib6_rule_lookup+0x456/0x630 [ 5246.925666][ T73] ip6_route_input+0x59c/0xa50 [ 5246.925666][ T73] ipv6_rcv+0x397/0x810 [ 5246.925666][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5246.925666][ T73] process_backlog+0x101/0x620 [ 5246.925666][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5246.925666][ T73] net_rx_action+0x495/0xbe0 [ 5246.925666][ T73] __do_softirq+0x1b5/0x7f6 [ 5246.925666][ T73] [ 5246.927612][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.927612][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.927612][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.927612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.927612][ T73] ip6_route_add+0x1c/0x140 [ 5246.927612][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5246.927612][ T73] inet6_addr_add+0x4f8/0xa40 [ 5246.927612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.927612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.927612][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.927612][ T73] netlink_unicast+0x449/0x710 [ 5246.927612][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.927612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.927612][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.927612][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.927612][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.927612][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.927612][ T73] [ 5246.929995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.929995][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.929995][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.929995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.929995][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5246.929995][ T73] ipv6_add_addr+0x411/0x2000 [ 5246.929995][ T73] inet6_addr_add+0x30e/0xa40 [ 5246.929995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.929995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.929995][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.929995][ T73] netlink_unicast+0x449/0x710 [ 5246.929995][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.929995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.929995][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.929995][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.929995][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.929995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.929995][ T73] [ 5246.932324][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.932324][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.932324][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.932324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.932324][ T73] ip6_route_add+0x1c/0x140 [ 5246.932324][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5246.932324][ T73] addrconf_add_dev+0xe2/0x170 [ 5246.932324][ T73] inet6_addr_add+0x12f/0xa40 [ 5246.932324][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.932324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.932324][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.932324][ T73] netlink_unicast+0x449/0x710 [ 5246.932324][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.932324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.932324][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.932324][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.932324][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.932324][ T73] [ 5246.934617][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.934617][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5246.934617][ T73] ipv6_find_idev+0x102/0x170 [ 5246.934617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.934617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.934617][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.934617][ T73] netlink_unicast+0x449/0x710 [ 5246.934617][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.934617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.934617][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.934617][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.934617][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.934617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.934617][ T73] [ 5246.936458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5246.936458][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5246.936458][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5246.936458][ T73] ipv6_find_idev+0x102/0x170 [ 5246.936458][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.936458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.936458][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.936458][ T73] netlink_unicast+0x449/0x710 [ 5246.936458][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.936458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.936458][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.936458][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.936458][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.936458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.936458][ T73] [ 5246.938436][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5246.939271][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5246.939271][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.939271][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.939271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.939271][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5246.939271][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5246.939271][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5246.939271][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5246.939271][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5246.939271][ T73] addrconf_dad_begin+0x310/0x670 [ 5246.939271][ T73] addrconf_dad_work+0x10b/0xab0 [ 5246.939271][ T73] process_one_work+0x84d/0x18a0 [ 5246.939271][ T73] worker_thread+0x587/0xd30 [ 5246.939271][ T73] kthread+0x28a/0x350 [ 5246.939271][ T73] ret_from_fork+0x31/0x70 [ 5246.939271][ T73] ret_from_fork_asm+0x1a/0x30 [ 5246.939271][ T73] [ 5246.941325][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5246.941325][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.941325][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.941325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.941325][ T73] ip6_route_add+0x1c/0x140 [ 5246.941325][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5246.941325][ T73] inet6_addr_add+0x4f8/0xa40 [ 5246.941325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.941325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.941325][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.941325][ T73] netlink_unicast+0x449/0x710 [ 5246.941325][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.941325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.941325][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.941325][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.941325][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.941325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.941325][ T73] [ 5246.943525][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5246.943525][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.943525][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.943525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.943525][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5246.943525][ T73] ipv6_add_addr+0x411/0x2000 [ 5246.943525][ T73] inet6_addr_add+0x30e/0xa40 [ 5246.943525][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.943525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.943525][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.943525][ T73] netlink_unicast+0x449/0x710 [ 5246.943525][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.943525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.943525][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.943525][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.943525][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.943525][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.943525][ T73] [ 5246.945918][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5246.945918][ T73] netdev_get_by_index+0x5e/0x80 [ 5246.945918][ T73] fib6_nh_init+0x3d8/0x1580 [ 5246.945918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5246.945918][ T73] ip6_route_add+0x1c/0x140 [ 5246.945918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5246.945918][ T73] addrconf_add_dev+0xe2/0x170 [ 5246.945918][ T73] inet6_addr_add+0x12f/0xa40 [ 5246.945918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5246.945918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.945918][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.945918][ T73] netlink_unicast+0x449/0x710 [ 5246.945918][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.945918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.945918][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.945918][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.945918][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.945918][ T73] [ 5246.948275][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5246.948275][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5246.948275][ T73] ipv6_find_idev+0x102/0x170 [ 5246.948275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.948275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.948275][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.948275][ T73] netlink_unicast+0x449/0x710 [ 5246.948275][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.948275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.948275][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.948275][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.948275][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.948275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.948275][ T73] [ 5246.950117][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5246.950117][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5246.950117][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5246.950117][ T73] ipv6_find_idev+0x102/0x170 [ 5246.950117][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5246.950117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5246.950117][ T73] netlink_rcv_skb+0x130/0x360 [ 5246.950117][ T73] netlink_unicast+0x449/0x710 [ 5246.950117][ T73] netlink_sendmsg+0x723/0xbe0 [ 5246.950117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5246.950117][ T73] ___sys_sendmsg+0xee/0x170 [ 5246.950117][ T73] __sys_sendmsg+0xcd/0x170 [ 5246.950117][ T73] do_syscall_64+0xc6/0x1e0 [ 5246.950117][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5246.950117][ T73] [ 5257.190904][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5257.191300][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.191300][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5257.191300][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5257.191300][ T73] fib6_nh_init+0xa22/0x1580 [ 5257.191300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.191300][ T73] ip6_route_add+0x1c/0x140 [ 5257.191300][ T73] inet6_rtm_newroute+0x104/0x110 [ 5257.191300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.191300][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.191300][ T73] netlink_unicast+0x449/0x710 [ 5257.191300][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.191300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.191300][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.191300][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.191300][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.191300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.191300][ T73] [ 5257.193332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.193332][ T73] dst_init+0x84/0x4a0 [ 5257.193332][ T73] dst_alloc+0x97/0x150 [ 5257.193332][ T73] ip6_dst_alloc+0x23/0x90 [ 5257.193332][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5257.193332][ T73] ip6_pol_route+0x56f/0x840 [ 5257.193332][ T73] fib6_rule_lookup+0x456/0x630 [ 5257.193332][ T73] ip6_route_input+0x59c/0xa50 [ 5257.193332][ T73] ipv6_rcv+0x397/0x810 [ 5257.193332][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5257.193332][ T73] process_backlog+0x101/0x620 [ 5257.193332][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5257.193332][ T73] net_rx_action+0x495/0xbe0 [ 5257.193332][ T73] __do_softirq+0x1b5/0x7f6 [ 5257.193332][ T73] [ 5257.195090][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.195090][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.195090][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.195090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.195090][ T73] ip6_route_add+0x1c/0x140 [ 5257.195090][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5257.195090][ T73] inet6_addr_add+0x4f8/0xa40 [ 5257.195090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.195090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.195090][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.195090][ T73] netlink_unicast+0x449/0x710 [ 5257.195090][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.195090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.195090][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.195090][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.195090][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.195090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.195090][ T73] [ 5257.197248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.197248][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.197248][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.197248][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.197248][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5257.197248][ T73] ipv6_add_addr+0x411/0x2000 [ 5257.197248][ T73] inet6_addr_add+0x30e/0xa40 [ 5257.197248][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.197248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.197248][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.197248][ T73] netlink_unicast+0x449/0x710 [ 5257.197248][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.197248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.197248][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.197248][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.197248][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.197248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.197248][ T73] [ 5257.199395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.199395][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.199395][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.199395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.199395][ T73] ip6_route_add+0x1c/0x140 [ 5257.199395][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5257.199395][ T73] addrconf_add_dev+0xe2/0x170 [ 5257.199395][ T73] inet6_addr_add+0x12f/0xa40 [ 5257.199395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.199395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.199395][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.199395][ T73] netlink_unicast+0x449/0x710 [ 5257.199395][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.199395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.199395][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.199395][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.199395][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.199395][ T73] [ 5257.201500][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.201500][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5257.201500][ T73] ipv6_find_idev+0x102/0x170 [ 5257.201500][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.201500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.201500][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.201500][ T73] netlink_unicast+0x449/0x710 [ 5257.201500][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.201500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.201500][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.201500][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.201500][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.201500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.201500][ T73] [ 5257.203149][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5257.203149][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5257.203149][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5257.203149][ T73] ipv6_find_idev+0x102/0x170 [ 5257.203149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.203149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.203149][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.203149][ T73] netlink_unicast+0x449/0x710 [ 5257.203149][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.203149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.203149][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.203149][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.203149][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.203149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.203149][ T73] [ 5257.204958][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5257.205247][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.205247][ T73] dst_init+0x84/0x4a0 [ 5257.205247][ T73] dst_alloc+0x97/0x150 [ 5257.205247][ T73] ip6_dst_alloc+0x23/0x90 [ 5257.205247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5257.205247][ T73] ip6_pol_route+0x56f/0x840 [ 5257.205247][ T73] fib6_rule_lookup+0x456/0x630 [ 5257.205247][ T73] ip6_route_input+0x59c/0xa50 [ 5257.205247][ T73] ipv6_rcv+0x397/0x810 [ 5257.205247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5257.205247][ T73] process_backlog+0x101/0x620 [ 5257.205247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5257.205247][ T73] net_rx_action+0x495/0xbe0 [ 5257.205247][ T73] __do_softirq+0x1b5/0x7f6 [ 5257.205247][ T73] [ 5257.207013][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.207013][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.207013][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.207013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.207013][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5257.207013][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5257.207013][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5257.207013][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5257.207013][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5257.207013][ T73] addrconf_dad_begin+0x310/0x670 [ 5257.207013][ T73] addrconf_dad_work+0x10b/0xab0 [ 5257.207013][ T73] process_one_work+0x84d/0x18a0 [ 5257.207013][ T73] worker_thread+0x587/0xd30 [ 5257.207013][ T73] kthread+0x28a/0x350 [ 5257.207013][ T73] ret_from_fork+0x31/0x70 [ 5257.207013][ T73] ret_from_fork_asm+0x1a/0x30 [ 5257.207013][ T73] [ 5257.209053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.209053][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.209053][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.209053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.209053][ T73] ip6_route_add+0x1c/0x140 [ 5257.209053][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5257.209053][ T73] inet6_addr_add+0x4f8/0xa40 [ 5257.209053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.209053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.209053][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.209053][ T73] netlink_unicast+0x449/0x710 [ 5257.209053][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.209053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.209053][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.209053][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.209053][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.209053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.209053][ T73] [ 5257.211194][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.211194][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.211194][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.211194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.211194][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5257.211194][ T73] ipv6_add_addr+0x411/0x2000 [ 5257.211194][ T73] inet6_addr_add+0x30e/0xa40 [ 5257.211194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.211194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.211194][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.211194][ T73] netlink_unicast+0x449/0x710 [ 5257.211194][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.211194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.211194][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.211194][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.211194][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.211194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.211194][ T73] [ 5257.213327][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.213327][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.213327][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.213327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.213327][ T73] ip6_route_add+0x1c/0x140 [ 5257.213327][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5257.213327][ T73] addrconf_add_dev+0xe2/0x170 [ 5257.213327][ T73] inet6_addr_add+0x12f/0xa40 [ 5257.213327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.213327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.213327][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.213327][ T73] netlink_unicast+0x449/0x710 [ 5257.213327][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.213327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.213327][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.213327][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.213327][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.213327][ T73] [ 5257.215432][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.215432][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5257.215432][ T73] ipv6_find_idev+0x102/0x170 [ 5257.215432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.215432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.215432][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.215432][ T73] netlink_unicast+0x449/0x710 [ 5257.215432][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.215432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.215432][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.215432][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.215432][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.215432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.215432][ T73] [ 5257.217603][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5257.217603][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5257.217603][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5257.217603][ T73] ipv6_find_idev+0x102/0x170 [ 5257.217603][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.217603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.217603][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.217603][ T73] netlink_unicast+0x449/0x710 [ 5257.217603][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.217603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.217603][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.217603][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.217603][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.217603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.217603][ T73] [ 5257.219512][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5257.220178][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.220178][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5257.220178][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5257.220178][ T73] fib6_nh_init+0xa22/0x1580 [ 5257.220178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.220178][ T73] ip6_route_add+0x1c/0x140 [ 5257.220178][ T73] inet6_rtm_newroute+0x104/0x110 [ 5257.220178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.220178][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.220178][ T73] netlink_unicast+0x449/0x710 [ 5257.220178][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.220178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.220178][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.220178][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.220178][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.220178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.220178][ T73] [ 5257.222499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.222499][ T73] dst_init+0x84/0x4a0 [ 5257.222499][ T73] dst_alloc+0x97/0x150 [ 5257.222499][ T73] ip6_dst_alloc+0x23/0x90 [ 5257.222499][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5257.222499][ T73] ip6_pol_route+0x56f/0x840 [ 5257.222499][ T73] fib6_rule_lookup+0x456/0x630 [ 5257.222499][ T73] ip6_route_input+0x59c/0xa50 [ 5257.222499][ T73] ipv6_rcv+0x397/0x810 [ 5257.222499][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5257.222499][ T73] process_backlog+0x101/0x620 [ 5257.222499][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5257.222499][ T73] net_rx_action+0x495/0xbe0 [ 5257.222499][ T73] __do_softirq+0x1b5/0x7f6 [ 5257.222499][ T73] [ 5257.224432][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.224432][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.224432][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.224432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.224432][ T73] ip6_route_add+0x1c/0x140 [ 5257.224432][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5257.224432][ T73] inet6_addr_add+0x4f8/0xa40 [ 5257.224432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.224432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.224432][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.224432][ T73] netlink_unicast+0x449/0x710 [ 5257.224432][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.224432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.224432][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.224432][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.224432][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.224432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.224432][ T73] [ 5257.226828][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.226828][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.226828][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.226828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.226828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5257.226828][ T73] ipv6_add_addr+0x411/0x2000 [ 5257.226828][ T73] inet6_addr_add+0x30e/0xa40 [ 5257.226828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.226828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.226828][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.226828][ T73] netlink_unicast+0x449/0x710 [ 5257.226828][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.226828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.226828][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.226828][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.226828][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.226828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.226828][ T73] [ 5257.229150][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.229150][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.229150][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.229150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.229150][ T73] ip6_route_add+0x1c/0x140 [ 5257.229150][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5257.229150][ T73] addrconf_add_dev+0xe2/0x170 [ 5257.229150][ T73] inet6_addr_add+0x12f/0xa40 [ 5257.229150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.229150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.229150][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.229150][ T73] netlink_unicast+0x449/0x710 [ 5257.229150][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.229150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.229150][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.229150][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.229150][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.229150][ T73] [ 5257.231554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.231554][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5257.231554][ T73] ipv6_find_idev+0x102/0x170 [ 5257.231554][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.231554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.231554][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.231554][ T73] netlink_unicast+0x449/0x710 [ 5257.231554][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.231554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.231554][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.231554][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.231554][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.231554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.231554][ T73] [ 5257.233330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5257.233330][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5257.233330][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5257.233330][ T73] ipv6_find_idev+0x102/0x170 [ 5257.233330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.233330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.233330][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.233330][ T73] netlink_unicast+0x449/0x710 [ 5257.233330][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.233330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.233330][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.233330][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.233330][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.233330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.233330][ T73] [ 5257.235303][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5257.235650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5257.235650][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.235650][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.235650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.235650][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5257.235650][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5257.235650][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5257.235650][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5257.235650][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5257.235650][ T73] addrconf_dad_begin+0x310/0x670 [ 5257.235650][ T73] addrconf_dad_work+0x10b/0xab0 [ 5257.235650][ T73] process_one_work+0x84d/0x18a0 [ 5257.235650][ T73] worker_thread+0x587/0xd30 [ 5257.235650][ T73] kthread+0x28a/0x350 [ 5257.235650][ T73] ret_from_fork+0x31/0x70 [ 5257.235650][ T73] ret_from_fork_asm+0x1a/0x30 [ 5257.235650][ T73] [ 5257.237880][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5257.237880][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.237880][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.237880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.237880][ T73] ip6_route_add+0x1c/0x140 [ 5257.237880][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5257.237880][ T73] inet6_addr_add+0x4f8/0xa40 [ 5257.237880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.237880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.237880][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.237880][ T73] netlink_unicast+0x449/0x710 [ 5257.237880][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.237880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.237880][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.237880][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.237880][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.237880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.237880][ T73] [ 5257.240267][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5257.240267][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.240267][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.240267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.240267][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5257.240267][ T73] ipv6_add_addr+0x411/0x2000 [ 5257.240267][ T73] inet6_addr_add+0x30e/0xa40 [ 5257.240267][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.240267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.240267][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.240267][ T73] netlink_unicast+0x449/0x710 [ 5257.240267][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.240267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.240267][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.240267][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.240267][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.240267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.240267][ T73] [ 5257.242708][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5257.242708][ T73] netdev_get_by_index+0x5e/0x80 [ 5257.242708][ T73] fib6_nh_init+0x3d8/0x1580 [ 5257.242708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5257.242708][ T73] ip6_route_add+0x1c/0x140 [ 5257.242708][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5257.242708][ T73] addrconf_add_dev+0xe2/0x170 [ 5257.242708][ T73] inet6_addr_add+0x12f/0xa40 [ 5257.242708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.242708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.242708][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.242708][ T73] netlink_unicast+0x449/0x710 [ 5257.242708][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.242708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.242708][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.242708][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.242708][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.242708][ T73] [ 5257.245068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5257.245068][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5257.245068][ T73] ipv6_find_idev+0x102/0x170 [ 5257.245068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.245068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.245068][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.245068][ T73] netlink_unicast+0x449/0x710 [ 5257.245068][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.245068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.245068][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.245068][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.245068][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.245068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.245068][ T73] [ 5257.246909][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5257.246909][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5257.246909][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5257.246909][ T73] ipv6_find_idev+0x102/0x170 [ 5257.246909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.246909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.246909][ T73] netlink_rcv_skb+0x130/0x360 [ 5257.246909][ T73] netlink_unicast+0x449/0x710 [ 5257.246909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5257.246909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5257.246909][ T73] ___sys_sendmsg+0xee/0x170 [ 5257.246909][ T73] __sys_sendmsg+0xcd/0x170 [ 5257.246909][ T73] do_syscall_64+0xc6/0x1e0 [ 5257.246909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.246909][ T73] [ 5267.486903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5267.487296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.487296][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5267.487296][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5267.487296][ T73] fib6_nh_init+0xa22/0x1580 [ 5267.487296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.487296][ T73] ip6_route_add+0x1c/0x140 [ 5267.487296][ T73] inet6_rtm_newroute+0x104/0x110 [ 5267.487296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.487296][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.487296][ T73] netlink_unicast+0x449/0x710 [ 5267.487296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.487296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.487296][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.487296][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.487296][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.487296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.487296][ T73] [ 5267.489329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.489329][ T73] dst_init+0x84/0x4a0 [ 5267.489329][ T73] dst_alloc+0x97/0x150 [ 5267.489329][ T73] ip6_dst_alloc+0x23/0x90 [ 5267.489329][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5267.489329][ T73] ip6_pol_route+0x56f/0x840 [ 5267.489329][ T73] fib6_rule_lookup+0x456/0x630 [ 5267.489329][ T73] ip6_route_input+0x59c/0xa50 [ 5267.489329][ T73] ipv6_rcv+0x397/0x810 [ 5267.489329][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5267.489329][ T73] process_backlog+0x101/0x620 [ 5267.489329][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5267.489329][ T73] net_rx_action+0x495/0xbe0 [ 5267.489329][ T73] __do_softirq+0x1b5/0x7f6 [ 5267.489329][ T73] [ 5267.491088][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.491088][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.491088][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.491088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.491088][ T73] ip6_route_add+0x1c/0x140 [ 5267.491088][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5267.491088][ T73] inet6_addr_add+0x4f8/0xa40 [ 5267.491088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.491088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.491088][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.491088][ T73] netlink_unicast+0x449/0x710 [ 5267.491088][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.491088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.491088][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.491088][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.491088][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.491088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.491088][ T73] [ 5267.493236][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.493236][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.493236][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.493236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.493236][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5267.493236][ T73] ipv6_add_addr+0x411/0x2000 [ 5267.493236][ T73] inet6_addr_add+0x30e/0xa40 [ 5267.493236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.493236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.493236][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.493236][ T73] netlink_unicast+0x449/0x710 [ 5267.493236][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.493236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.493236][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.493236][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.493236][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.493236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.493236][ T73] [ 5267.495376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.495376][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.495376][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.495376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.495376][ T73] ip6_route_add+0x1c/0x140 [ 5267.495376][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5267.495376][ T73] addrconf_add_dev+0xe2/0x170 [ 5267.495376][ T73] inet6_addr_add+0x12f/0xa40 [ 5267.495376][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.495376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.495376][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.495376][ T73] netlink_unicast+0x449/0x710 [ 5267.495376][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.495376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.495376][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.495376][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.495376][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.495376][ T73] [ 5267.497490][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.497490][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5267.497490][ T73] ipv6_find_idev+0x102/0x170 [ 5267.497490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.497490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.497490][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.497490][ T73] netlink_unicast+0x449/0x710 [ 5267.497490][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.497490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.497490][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.497490][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.497490][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.497490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.497490][ T73] [ 5267.499140][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5267.499140][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5267.499140][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5267.499140][ T73] ipv6_find_idev+0x102/0x170 [ 5267.499140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.499140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.499140][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.499140][ T73] netlink_unicast+0x449/0x710 [ 5267.499140][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.499140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.499140][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.499140][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.499140][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.499140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.499140][ T73] [ 5267.500945][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5267.501234][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.501234][ T73] dst_init+0x84/0x4a0 [ 5267.501234][ T73] dst_alloc+0x97/0x150 [ 5267.501234][ T73] ip6_dst_alloc+0x23/0x90 [ 5267.501234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5267.501234][ T73] ip6_pol_route+0x56f/0x840 [ 5267.501234][ T73] fib6_rule_lookup+0x456/0x630 [ 5267.501234][ T73] ip6_route_input+0x59c/0xa50 [ 5267.501234][ T73] ipv6_rcv+0x397/0x810 [ 5267.501234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5267.501234][ T73] process_backlog+0x101/0x620 [ 5267.501234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5267.501234][ T73] net_rx_action+0x495/0xbe0 [ 5267.501234][ T73] __do_softirq+0x1b5/0x7f6 [ 5267.501234][ T73] [ 5267.503354][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.503354][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.503354][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.503354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.503354][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5267.503354][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5267.503354][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5267.503354][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5267.503354][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5267.503354][ T73] addrconf_dad_begin+0x310/0x670 [ 5267.503354][ T73] addrconf_dad_work+0x10b/0xab0 [ 5267.503354][ T73] process_one_work+0x84d/0x18a0 [ 5267.503354][ T73] worker_thread+0x587/0xd30 [ 5267.503354][ T73] kthread+0x28a/0x350 [ 5267.503354][ T73] ret_from_fork+0x31/0x70 [ 5267.503354][ T73] ret_from_fork_asm+0x1a/0x30 [ 5267.503354][ T73] [ 5267.505411][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.505411][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.505411][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.505411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.505411][ T73] ip6_route_add+0x1c/0x140 [ 5267.505411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5267.505411][ T73] inet6_addr_add+0x4f8/0xa40 [ 5267.505411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.505411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.505411][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.505411][ T73] netlink_unicast+0x449/0x710 [ 5267.505411][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.505411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.505411][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.505411][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.505411][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.505411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.505411][ T73] [ 5267.507564][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.507564][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.507564][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.507564][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.507564][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5267.507564][ T73] ipv6_add_addr+0x411/0x2000 [ 5267.507564][ T73] inet6_addr_add+0x30e/0xa40 [ 5267.507564][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.507564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.507564][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.507564][ T73] netlink_unicast+0x449/0x710 [ 5267.507564][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.507564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.507564][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.507564][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.507564][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.507564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.507564][ T73] [ 5267.509720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.509720][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.509720][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.509720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.509720][ T73] ip6_route_add+0x1c/0x140 [ 5267.509720][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5267.509720][ T73] addrconf_add_dev+0xe2/0x170 [ 5267.509720][ T73] inet6_addr_add+0x12f/0xa40 [ 5267.509720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.509720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.509720][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.509720][ T73] netlink_unicast+0x449/0x710 [ 5267.509720][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.509720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.509720][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.509720][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.509720][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.509720][ T73] [ 5267.512188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.512188][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5267.512188][ T73] ipv6_find_idev+0x102/0x170 [ 5267.512188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.512188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.512188][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.512188][ T73] netlink_unicast+0x449/0x710 [ 5267.512188][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.512188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.512188][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.512188][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.512188][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.512188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.512188][ T73] [ 5267.513839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5267.513839][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5267.513839][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5267.513839][ T73] ipv6_find_idev+0x102/0x170 [ 5267.513839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.513839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.513839][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.513839][ T73] netlink_unicast+0x449/0x710 [ 5267.513839][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.513839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.513839][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.513839][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.513839][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.513839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.513839][ T73] [ 5267.515751][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5267.516045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.516045][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5267.516045][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5267.516045][ T73] fib6_nh_init+0xa22/0x1580 [ 5267.516045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.516045][ T73] ip6_route_add+0x1c/0x140 [ 5267.516045][ T73] inet6_rtm_newroute+0x104/0x110 [ 5267.516045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.516045][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.516045][ T73] netlink_unicast+0x449/0x710 [ 5267.516045][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.516045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.516045][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.516045][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.516045][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.516045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.516045][ T73] [ 5267.518369][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.518369][ T73] dst_init+0x84/0x4a0 [ 5267.518369][ T73] dst_alloc+0x97/0x150 [ 5267.518369][ T73] ip6_dst_alloc+0x23/0x90 [ 5267.518369][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5267.518369][ T73] ip6_pol_route+0x56f/0x840 [ 5267.518369][ T73] fib6_rule_lookup+0x456/0x630 [ 5267.518369][ T73] ip6_route_input+0x59c/0xa50 [ 5267.518369][ T73] ipv6_rcv+0x397/0x810 [ 5267.518369][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5267.518369][ T73] process_backlog+0x101/0x620 [ 5267.518369][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5267.518369][ T73] net_rx_action+0x495/0xbe0 [ 5267.518369][ T73] __do_softirq+0x1b5/0x7f6 [ 5267.518369][ T73] [ 5267.520309][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.520309][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.520309][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.520309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.520309][ T73] ip6_route_add+0x1c/0x140 [ 5267.520309][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5267.520309][ T73] inet6_addr_add+0x4f8/0xa40 [ 5267.520309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.520309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.520309][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.520309][ T73] netlink_unicast+0x449/0x710 [ 5267.520309][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.520309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.520309][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.520309][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.520309][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.520309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.520309][ T73] [ 5267.522641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.522641][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.522641][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.522641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.522641][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5267.522641][ T73] ipv6_add_addr+0x411/0x2000 [ 5267.522641][ T73] inet6_addr_add+0x30e/0xa40 [ 5267.522641][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.522641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.522641][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.522641][ T73] netlink_unicast+0x449/0x710 [ 5267.522641][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.522641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.522641][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.522641][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.522641][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.522641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.522641][ T73] [ 5267.524905][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.524905][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.524905][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.524905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.524905][ T73] ip6_route_add+0x1c/0x140 [ 5267.524905][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5267.524905][ T73] addrconf_add_dev+0xe2/0x170 [ 5267.524905][ T73] inet6_addr_add+0x12f/0xa40 [ 5267.524905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.524905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.524905][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.524905][ T73] netlink_unicast+0x449/0x710 [ 5267.524905][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.524905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.524905][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.524905][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.524905][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.524905][ T73] [ 5267.527322][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.527322][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5267.527322][ T73] ipv6_find_idev+0x102/0x170 [ 5267.527322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.527322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.527322][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.527322][ T73] netlink_unicast+0x449/0x710 [ 5267.527322][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.527322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.527322][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.527322][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.527322][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.527322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.527322][ T73] [ 5267.529152][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5267.529152][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5267.529152][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5267.529152][ T73] ipv6_find_idev+0x102/0x170 [ 5267.529152][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.529152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.529152][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.529152][ T73] netlink_unicast+0x449/0x710 [ 5267.529152][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.529152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.529152][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.529152][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.529152][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.529152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.529152][ T73] [ 5267.531077][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5267.531420][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5267.531420][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.531420][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.531420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.531420][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5267.531420][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5267.531420][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5267.531420][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5267.531420][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5267.531420][ T73] addrconf_dad_begin+0x310/0x670 [ 5267.531420][ T73] addrconf_dad_work+0x10b/0xab0 [ 5267.531420][ T73] process_one_work+0x84d/0x18a0 [ 5267.531420][ T73] worker_thread+0x587/0xd30 [ 5267.531420][ T73] kthread+0x28a/0x350 [ 5267.531420][ T73] ret_from_fork+0x31/0x70 [ 5267.531420][ T73] ret_from_fork_asm+0x1a/0x30 [ 5267.531420][ T73] [ 5267.533650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5267.533650][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.533650][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.533650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.533650][ T73] ip6_route_add+0x1c/0x140 [ 5267.533650][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5267.533650][ T73] inet6_addr_add+0x4f8/0xa40 [ 5267.533650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.533650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.533650][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.533650][ T73] netlink_unicast+0x449/0x710 [ 5267.533650][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.533650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.533650][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.533650][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.533650][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.533650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.533650][ T73] [ 5267.536051][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5267.536051][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.536051][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.536051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.536051][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5267.536051][ T73] ipv6_add_addr+0x411/0x2000 [ 5267.536051][ T73] inet6_addr_add+0x30e/0xa40 [ 5267.536051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.536051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.536051][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.536051][ T73] netlink_unicast+0x449/0x710 [ 5267.536051][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.536051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.536051][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.536051][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.536051][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.536051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.536051][ T73] [ 5267.538535][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5267.538535][ T73] netdev_get_by_index+0x5e/0x80 [ 5267.538535][ T73] fib6_nh_init+0x3d8/0x1580 [ 5267.538535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5267.538535][ T73] ip6_route_add+0x1c/0x140 [ 5267.538535][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5267.538535][ T73] addrconf_add_dev+0xe2/0x170 [ 5267.538535][ T73] inet6_addr_add+0x12f/0xa40 [ 5267.538535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.538535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.538535][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.538535][ T73] netlink_unicast+0x449/0x710 [ 5267.538535][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.538535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.538535][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.538535][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.538535][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.538535][ T73] [ 5267.540827][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5267.540827][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5267.540827][ T73] ipv6_find_idev+0x102/0x170 [ 5267.540827][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.540827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.540827][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.540827][ T73] netlink_unicast+0x449/0x710 [ 5267.540827][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.540827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.540827][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.540827][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.540827][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.540827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.540827][ T73] [ 5267.542601][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5267.542601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5267.542601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5267.542601][ T73] ipv6_find_idev+0x102/0x170 [ 5267.542601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.542601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.542601][ T73] netlink_rcv_skb+0x130/0x360 [ 5267.542601][ T73] netlink_unicast+0x449/0x710 [ 5267.542601][ T73] netlink_sendmsg+0x723/0xbe0 [ 5267.542601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5267.542601][ T73] ___sys_sendmsg+0xee/0x170 [ 5267.542601][ T73] __sys_sendmsg+0xcd/0x170 [ 5267.542601][ T73] do_syscall_64+0xc6/0x1e0 [ 5267.542601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.542601][ T73] [ 5277.782878][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5277.783284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.783284][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5277.783284][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5277.783284][ T73] fib6_nh_init+0xa22/0x1580 [ 5277.783284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.783284][ T73] ip6_route_add+0x1c/0x140 [ 5277.783284][ T73] inet6_rtm_newroute+0x104/0x110 [ 5277.783284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.783284][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.783284][ T73] netlink_unicast+0x449/0x710 [ 5277.783284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.783284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.783284][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.783284][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.783284][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.783284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.783284][ T73] [ 5277.785302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.785302][ T73] dst_init+0x84/0x4a0 [ 5277.785302][ T73] dst_alloc+0x97/0x150 [ 5277.785302][ T73] ip6_dst_alloc+0x23/0x90 [ 5277.785302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5277.785302][ T73] ip6_pol_route+0x56f/0x840 [ 5277.785302][ T73] fib6_rule_lookup+0x456/0x630 [ 5277.785302][ T73] ip6_route_input+0x59c/0xa50 [ 5277.785302][ T73] ipv6_rcv+0x397/0x810 [ 5277.785302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5277.785302][ T73] process_backlog+0x101/0x620 [ 5277.785302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5277.785302][ T73] net_rx_action+0x495/0xbe0 [ 5277.785302][ T73] __do_softirq+0x1b5/0x7f6 [ 5277.785302][ T73] [ 5277.787065][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.787065][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.787065][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.787065][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.787065][ T73] ip6_route_add+0x1c/0x140 [ 5277.787065][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5277.787065][ T73] inet6_addr_add+0x4f8/0xa40 [ 5277.787065][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.787065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.787065][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.787065][ T73] netlink_unicast+0x449/0x710 [ 5277.787065][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.787065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.787065][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.787065][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.787065][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.787065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.787065][ T73] [ 5277.789204][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.789204][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.789204][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.789204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.789204][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5277.789204][ T73] ipv6_add_addr+0x411/0x2000 [ 5277.789204][ T73] inet6_addr_add+0x30e/0xa40 [ 5277.789204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.789204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.789204][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.789204][ T73] netlink_unicast+0x449/0x710 [ 5277.789204][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.789204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.789204][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.789204][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.789204][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.789204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.789204][ T73] [ 5277.791344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.791344][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.791344][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.791344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.791344][ T73] ip6_route_add+0x1c/0x140 [ 5277.791344][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5277.791344][ T73] addrconf_add_dev+0xe2/0x170 [ 5277.791344][ T73] inet6_addr_add+0x12f/0xa40 [ 5277.791344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.791344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.791344][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.791344][ T73] netlink_unicast+0x449/0x710 [ 5277.791344][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.791344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.791344][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.791344][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.791344][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.791344][ T73] [ 5277.793455][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.793455][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5277.793455][ T73] ipv6_find_idev+0x102/0x170 [ 5277.793455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.793455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.793455][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.793455][ T73] netlink_unicast+0x449/0x710 [ 5277.793455][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.793455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.793455][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.793455][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.793455][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.793455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.793455][ T73] [ 5277.795103][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5277.795103][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5277.795103][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5277.795103][ T73] ipv6_find_idev+0x102/0x170 [ 5277.795103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.795103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.795103][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.795103][ T73] netlink_unicast+0x449/0x710 [ 5277.795103][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.795103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.795103][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.795103][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.795103][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.795103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.795103][ T73] [ 5277.796915][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5277.797198][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.797198][ T73] dst_init+0x84/0x4a0 [ 5277.797198][ T73] dst_alloc+0x97/0x150 [ 5277.797198][ T73] ip6_dst_alloc+0x23/0x90 [ 5277.797198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5277.797198][ T73] ip6_pol_route+0x56f/0x840 [ 5277.797198][ T73] fib6_rule_lookup+0x456/0x630 [ 5277.797198][ T73] ip6_route_input+0x59c/0xa50 [ 5277.797198][ T73] ipv6_rcv+0x397/0x810 [ 5277.797198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5277.797198][ T73] process_backlog+0x101/0x620 [ 5277.797198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5277.797198][ T73] net_rx_action+0x495/0xbe0 [ 5277.797198][ T73] __do_softirq+0x1b5/0x7f6 [ 5277.797198][ T73] [ 5277.798959][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.798959][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.798959][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.798959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.798959][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5277.798959][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5277.798959][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5277.798959][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5277.798959][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5277.798959][ T73] addrconf_dad_begin+0x310/0x670 [ 5277.798959][ T73] addrconf_dad_work+0x10b/0xab0 [ 5277.798959][ T73] process_one_work+0x84d/0x18a0 [ 5277.798959][ T73] worker_thread+0x587/0xd30 [ 5277.798959][ T73] kthread+0x28a/0x350 [ 5277.798959][ T73] ret_from_fork+0x31/0x70 [ 5277.798959][ T73] ret_from_fork_asm+0x1a/0x30 [ 5277.798959][ T73] [ 5277.801021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.801021][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.801021][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.801021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.801021][ T73] ip6_route_add+0x1c/0x140 [ 5277.801021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5277.801021][ T73] inet6_addr_add+0x4f8/0xa40 [ 5277.801021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.801021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.801021][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.801021][ T73] netlink_unicast+0x449/0x710 [ 5277.801021][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.801021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.801021][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.801021][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.801021][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.801021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.801021][ T73] [ 5277.803169][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.803169][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.803169][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.803169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.803169][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5277.803169][ T73] ipv6_add_addr+0x411/0x2000 [ 5277.803169][ T73] inet6_addr_add+0x30e/0xa40 [ 5277.803169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.803169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.803169][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.803169][ T73] netlink_unicast+0x449/0x710 [ 5277.803169][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.803169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.803169][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.803169][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.803169][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.803169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.803169][ T73] [ 5277.805311][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.805311][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.805311][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.805311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.805311][ T73] ip6_route_add+0x1c/0x140 [ 5277.805311][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5277.805311][ T73] addrconf_add_dev+0xe2/0x170 [ 5277.805311][ T73] inet6_addr_add+0x12f/0xa40 [ 5277.805311][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.805311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.805311][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.805311][ T73] netlink_unicast+0x449/0x710 [ 5277.805311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.805311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.805311][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.805311][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.805311][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.805311][ T73] [ 5277.807421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.807421][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5277.807421][ T73] ipv6_find_idev+0x102/0x170 [ 5277.807421][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.807421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.807421][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.807421][ T73] netlink_unicast+0x449/0x710 [ 5277.807421][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.807421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.807421][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.807421][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.807421][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.807421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.807421][ T73] [ 5277.809077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5277.809077][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5277.809077][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5277.809077][ T73] ipv6_find_idev+0x102/0x170 [ 5277.809077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.809077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.809077][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.809077][ T73] netlink_unicast+0x449/0x710 [ 5277.809077][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.809077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.809077][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.809077][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.809077][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.809077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.809077][ T73] [ 5277.810989][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5277.811270][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.811270][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5277.811270][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5277.811270][ T73] fib6_nh_init+0xa22/0x1580 [ 5277.811270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.811270][ T73] ip6_route_add+0x1c/0x140 [ 5277.811270][ T73] inet6_rtm_newroute+0x104/0x110 [ 5277.811270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.811270][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.811270][ T73] netlink_unicast+0x449/0x710 [ 5277.811270][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.811270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.811270][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.811270][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.811270][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.811270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.811270][ T73] [ 5277.813585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.813585][ T73] dst_init+0x84/0x4a0 [ 5277.813585][ T73] dst_alloc+0x97/0x150 [ 5277.813585][ T73] ip6_dst_alloc+0x23/0x90 [ 5277.813585][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5277.813585][ T73] ip6_pol_route+0x56f/0x840 [ 5277.813585][ T73] fib6_rule_lookup+0x456/0x630 [ 5277.813585][ T73] ip6_route_input+0x59c/0xa50 [ 5277.813585][ T73] ipv6_rcv+0x397/0x810 [ 5277.813585][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5277.813585][ T73] process_backlog+0x101/0x620 [ 5277.813585][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5277.813585][ T73] net_rx_action+0x495/0xbe0 [ 5277.813585][ T73] __do_softirq+0x1b5/0x7f6 [ 5277.813585][ T73] [ 5277.815519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.815519][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.815519][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.815519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.815519][ T73] ip6_route_add+0x1c/0x140 [ 5277.815519][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5277.815519][ T73] inet6_addr_add+0x4f8/0xa40 [ 5277.815519][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.815519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.815519][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.815519][ T73] netlink_unicast+0x449/0x710 [ 5277.815519][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.815519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.815519][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.815519][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.815519][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.815519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.815519][ T73] [ 5277.817926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.817926][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.817926][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.817926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.817926][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5277.817926][ T73] ipv6_add_addr+0x411/0x2000 [ 5277.817926][ T73] inet6_addr_add+0x30e/0xa40 [ 5277.817926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.817926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.817926][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.817926][ T73] netlink_unicast+0x449/0x710 [ 5277.817926][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.817926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.817926][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.817926][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.817926][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.817926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.817926][ T73] [ 5277.820251][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.820251][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.820251][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.820251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.820251][ T73] ip6_route_add+0x1c/0x140 [ 5277.820251][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5277.820251][ T73] addrconf_add_dev+0xe2/0x170 [ 5277.820251][ T73] inet6_addr_add+0x12f/0xa40 [ 5277.820251][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.820251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.820251][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.820251][ T73] netlink_unicast+0x449/0x710 [ 5277.820251][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.820251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.820251][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.820251][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.820251][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.820251][ T73] [ 5277.822660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.822660][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5277.822660][ T73] ipv6_find_idev+0x102/0x170 [ 5277.822660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.822660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.822660][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.822660][ T73] netlink_unicast+0x449/0x710 [ 5277.822660][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.822660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.822660][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.822660][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.822660][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.822660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.822660][ T73] [ 5277.824521][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5277.824521][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5277.824521][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5277.824521][ T73] ipv6_find_idev+0x102/0x170 [ 5277.824521][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.824521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.824521][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.824521][ T73] netlink_unicast+0x449/0x710 [ 5277.824521][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.824521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.824521][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.824521][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.824521][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.824521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.824521][ T73] [ 5277.826464][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5277.826808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5277.826808][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.826808][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.826808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.826808][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5277.826808][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5277.826808][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5277.826808][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5277.826808][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5277.826808][ T73] addrconf_dad_begin+0x310/0x670 [ 5277.826808][ T73] addrconf_dad_work+0x10b/0xab0 [ 5277.826808][ T73] process_one_work+0x84d/0x18a0 [ 5277.826808][ T73] worker_thread+0x587/0xd30 [ 5277.826808][ T73] kthread+0x28a/0x350 [ 5277.826808][ T73] ret_from_fork+0x31/0x70 [ 5277.826808][ T73] ret_from_fork_asm+0x1a/0x30 [ 5277.826808][ T73] [ 5277.829049][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5277.829049][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.829049][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.829049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.829049][ T73] ip6_route_add+0x1c/0x140 [ 5277.829049][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5277.829049][ T73] inet6_addr_add+0x4f8/0xa40 [ 5277.829049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.829049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.829049][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.829049][ T73] netlink_unicast+0x449/0x710 [ 5277.829049][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.829049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.829049][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.829049][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.829049][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.829049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.829049][ T73] [ 5277.831378][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5277.831378][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.831378][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.831378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.831378][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5277.831378][ T73] ipv6_add_addr+0x411/0x2000 [ 5277.831378][ T73] inet6_addr_add+0x30e/0xa40 [ 5277.831378][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.831378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.831378][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.831378][ T73] netlink_unicast+0x449/0x710 [ 5277.831378][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.831378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.831378][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.831378][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.831378][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.831378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.831378][ T73] [ 5277.833771][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5277.833771][ T73] netdev_get_by_index+0x5e/0x80 [ 5277.833771][ T73] fib6_nh_init+0x3d8/0x1580 [ 5277.833771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5277.833771][ T73] ip6_route_add+0x1c/0x140 [ 5277.833771][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5277.833771][ T73] addrconf_add_dev+0xe2/0x170 [ 5277.833771][ T73] inet6_addr_add+0x12f/0xa40 [ 5277.833771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5277.833771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.833771][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.833771][ T73] netlink_unicast+0x449/0x710 [ 5277.833771][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.833771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.833771][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.833771][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.833771][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.833771][ T73] [ 5277.836121][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5277.836121][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5277.836121][ T73] ipv6_find_idev+0x102/0x170 [ 5277.836121][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.836121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.836121][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.836121][ T73] netlink_unicast+0x449/0x710 [ 5277.836121][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.836121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.836121][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.836121][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.836121][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.836121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.836121][ T73] [ 5277.837961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5277.837961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5277.837961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5277.837961][ T73] ipv6_find_idev+0x102/0x170 [ 5277.837961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5277.837961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.837961][ T73] netlink_rcv_skb+0x130/0x360 [ 5277.837961][ T73] netlink_unicast+0x449/0x710 [ 5277.837961][ T73] netlink_sendmsg+0x723/0xbe0 [ 5277.837961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5277.837961][ T73] ___sys_sendmsg+0xee/0x170 [ 5277.837961][ T73] __sys_sendmsg+0xcd/0x170 [ 5277.837961][ T73] do_syscall_64+0xc6/0x1e0 [ 5277.837961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.837961][ T73] [ 5287.878819][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5287.879234][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.879234][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5287.879234][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5287.879234][ T73] fib6_nh_init+0xa22/0x1580 [ 5287.879234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.879234][ T73] ip6_route_add+0x1c/0x140 [ 5287.879234][ T73] inet6_rtm_newroute+0x104/0x110 [ 5287.879234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.879234][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.879234][ T73] netlink_unicast+0x449/0x710 [ 5287.879234][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.879234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.879234][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.879234][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.879234][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.879234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.879234][ T73] [ 5287.881273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.881273][ T73] dst_init+0x84/0x4a0 [ 5287.881273][ T73] dst_alloc+0x97/0x150 [ 5287.881273][ T73] ip6_dst_alloc+0x23/0x90 [ 5287.881273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5287.881273][ T73] ip6_pol_route+0x56f/0x840 [ 5287.881273][ T73] fib6_rule_lookup+0x456/0x630 [ 5287.881273][ T73] ip6_route_input+0x59c/0xa50 [ 5287.881273][ T73] ipv6_rcv+0x397/0x810 [ 5287.881273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5287.881273][ T73] process_backlog+0x101/0x620 [ 5287.881273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5287.881273][ T73] net_rx_action+0x495/0xbe0 [ 5287.881273][ T73] __do_softirq+0x1b5/0x7f6 [ 5287.881273][ T73] [ 5287.883045][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.883045][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.883045][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.883045][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.883045][ T73] ip6_route_add+0x1c/0x140 [ 5287.883045][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5287.883045][ T73] inet6_addr_add+0x4f8/0xa40 [ 5287.883045][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.883045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.883045][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.883045][ T73] netlink_unicast+0x449/0x710 [ 5287.883045][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.883045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.883045][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.883045][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.883045][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.883045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.883045][ T73] [ 5287.885206][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.885206][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.885206][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.885206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.885206][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5287.885206][ T73] ipv6_add_addr+0x411/0x2000 [ 5287.885206][ T73] inet6_addr_add+0x30e/0xa40 [ 5287.885206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.885206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.885206][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.885206][ T73] netlink_unicast+0x449/0x710 [ 5287.885206][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.885206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.885206][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.885206][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.885206][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.885206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.885206][ T73] [ 5287.887409][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.887409][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.887409][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.887409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.887409][ T73] ip6_route_add+0x1c/0x140 [ 5287.887409][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5287.887409][ T73] addrconf_add_dev+0xe2/0x170 [ 5287.887409][ T73] inet6_addr_add+0x12f/0xa40 [ 5287.887409][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.887409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.887409][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.887409][ T73] netlink_unicast+0x449/0x710 [ 5287.887409][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.887409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.887409][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.887409][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.887409][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.887409][ T73] [ 5287.889533][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.889533][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5287.889533][ T73] ipv6_find_idev+0x102/0x170 [ 5287.889533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.889533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.889533][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.889533][ T73] netlink_unicast+0x449/0x710 [ 5287.889533][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.889533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.889533][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.889533][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.889533][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.889533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.889533][ T73] [ 5287.891204][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5287.891204][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5287.891204][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5287.891204][ T73] ipv6_find_idev+0x102/0x170 [ 5287.891204][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.891204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.891204][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.891204][ T73] netlink_unicast+0x449/0x710 [ 5287.891204][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.891204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.891204][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.891204][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.891204][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.891204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.891204][ T73] [ 5287.893034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5287.893319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.893319][ T73] dst_init+0x84/0x4a0 [ 5287.893319][ T73] dst_alloc+0x97/0x150 [ 5287.893319][ T73] ip6_dst_alloc+0x23/0x90 [ 5287.893319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5287.893319][ T73] ip6_pol_route+0x56f/0x840 [ 5287.893319][ T73] fib6_rule_lookup+0x456/0x630 [ 5287.893319][ T73] ip6_route_input+0x59c/0xa50 [ 5287.893319][ T73] ipv6_rcv+0x397/0x810 [ 5287.893319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5287.893319][ T73] process_backlog+0x101/0x620 [ 5287.893319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5287.893319][ T73] net_rx_action+0x495/0xbe0 [ 5287.893319][ T73] __do_softirq+0x1b5/0x7f6 [ 5287.893319][ T73] [ 5287.895101][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.895101][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.895101][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.895101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.895101][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5287.895101][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5287.895101][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5287.895101][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5287.895101][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5287.895101][ T73] addrconf_dad_begin+0x310/0x670 [ 5287.895101][ T73] addrconf_dad_work+0x10b/0xab0 [ 5287.895101][ T73] process_one_work+0x84d/0x18a0 [ 5287.895101][ T73] worker_thread+0x587/0xd30 [ 5287.895101][ T73] kthread+0x28a/0x350 [ 5287.895101][ T73] ret_from_fork+0x31/0x70 [ 5287.895101][ T73] ret_from_fork_asm+0x1a/0x30 [ 5287.895101][ T73] [ 5287.897173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.897173][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.897173][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.897173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.897173][ T73] ip6_route_add+0x1c/0x140 [ 5287.897173][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5287.897173][ T73] inet6_addr_add+0x4f8/0xa40 [ 5287.897173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.897173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.897173][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.897173][ T73] netlink_unicast+0x449/0x710 [ 5287.897173][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.897173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.897173][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.897173][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.897173][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.897173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.897173][ T73] [ 5287.899336][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.899336][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.899336][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.899336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.899336][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5287.899336][ T73] ipv6_add_addr+0x411/0x2000 [ 5287.899336][ T73] inet6_addr_add+0x30e/0xa40 [ 5287.899336][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.899336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.899336][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.899336][ T73] netlink_unicast+0x449/0x710 [ 5287.899336][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.899336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.899336][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.899336][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.899336][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.899336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.899336][ T73] [ 5287.901501][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.901501][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.901501][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.901501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.901501][ T73] ip6_route_add+0x1c/0x140 [ 5287.901501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5287.901501][ T73] addrconf_add_dev+0xe2/0x170 [ 5287.901501][ T73] inet6_addr_add+0x12f/0xa40 [ 5287.901501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.901501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.901501][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.901501][ T73] netlink_unicast+0x449/0x710 [ 5287.901501][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.901501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.901501][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.901501][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.901501][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.901501][ T73] [ 5287.903625][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.903625][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5287.903625][ T73] ipv6_find_idev+0x102/0x170 [ 5287.903625][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.903625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.903625][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.903625][ T73] netlink_unicast+0x449/0x710 [ 5287.903625][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.903625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.903625][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.903625][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.903625][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.903625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.903625][ T73] [ 5287.905296][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5287.905296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5287.905296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5287.905296][ T73] ipv6_find_idev+0x102/0x170 [ 5287.905296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.905296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.905296][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.905296][ T73] netlink_unicast+0x449/0x710 [ 5287.905296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.905296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.905296][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.905296][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.905296][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.905296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.905296][ T73] [ 5287.907232][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5287.907515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.907515][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5287.907515][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5287.907515][ T73] fib6_nh_init+0xa22/0x1580 [ 5287.907515][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.907515][ T73] ip6_route_add+0x1c/0x140 [ 5287.907515][ T73] inet6_rtm_newroute+0x104/0x110 [ 5287.907515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.907515][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.907515][ T73] netlink_unicast+0x449/0x710 [ 5287.907515][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.907515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.907515][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.907515][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.907515][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.907515][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.907515][ T73] [ 5287.909785][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.909785][ T73] dst_init+0x84/0x4a0 [ 5287.909785][ T73] dst_alloc+0x97/0x150 [ 5287.909785][ T73] ip6_dst_alloc+0x23/0x90 [ 5287.909785][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5287.909785][ T73] ip6_pol_route+0x56f/0x840 [ 5287.909785][ T73] fib6_rule_lookup+0x456/0x630 [ 5287.909785][ T73] ip6_route_input+0x59c/0xa50 [ 5287.909785][ T73] ipv6_rcv+0x397/0x810 [ 5287.909785][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5287.909785][ T73] process_backlog+0x101/0x620 [ 5287.909785][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5287.909785][ T73] net_rx_action+0x495/0xbe0 [ 5287.909785][ T73] __do_softirq+0x1b5/0x7f6 [ 5287.909785][ T73] [ 5287.911734][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.911734][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.911734][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.911734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.911734][ T73] ip6_route_add+0x1c/0x140 [ 5287.911734][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5287.911734][ T73] inet6_addr_add+0x4f8/0xa40 [ 5287.911734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.911734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.911734][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.911734][ T73] netlink_unicast+0x449/0x710 [ 5287.911734][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.911734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.911734][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.911734][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.911734][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.911734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.911734][ T73] [ 5287.914087][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.914087][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.914087][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.914087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.914087][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5287.914087][ T73] ipv6_add_addr+0x411/0x2000 [ 5287.914087][ T73] inet6_addr_add+0x30e/0xa40 [ 5287.914087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.914087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.914087][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.914087][ T73] netlink_unicast+0x449/0x710 [ 5287.914087][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.914087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.914087][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.914087][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.914087][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.914087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.914087][ T73] [ 5287.916432][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.916432][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.916432][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.916432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.916432][ T73] ip6_route_add+0x1c/0x140 [ 5287.916432][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5287.916432][ T73] addrconf_add_dev+0xe2/0x170 [ 5287.916432][ T73] inet6_addr_add+0x12f/0xa40 [ 5287.916432][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.916432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.916432][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.916432][ T73] netlink_unicast+0x449/0x710 [ 5287.916432][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.916432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.916432][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.916432][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.916432][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.916432][ T73] [ 5287.918849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.918849][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5287.918849][ T73] ipv6_find_idev+0x102/0x170 [ 5287.918849][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.918849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.918849][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.918849][ T73] netlink_unicast+0x449/0x710 [ 5287.918849][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.918849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.918849][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.918849][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.918849][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.918849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.918849][ T73] [ 5287.920688][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5287.920688][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5287.920688][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5287.920688][ T73] ipv6_find_idev+0x102/0x170 [ 5287.920688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.920688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.920688][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.920688][ T73] netlink_unicast+0x449/0x710 [ 5287.920688][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.920688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.920688][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.920688][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.920688][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.920688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.920688][ T73] [ 5287.922689][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5287.923480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5287.923480][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.923480][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.923480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.923480][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5287.923480][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5287.923480][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5287.923480][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5287.923480][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5287.923480][ T73] addrconf_dad_begin+0x310/0x670 [ 5287.923480][ T73] addrconf_dad_work+0x10b/0xab0 [ 5287.923480][ T73] process_one_work+0x84d/0x18a0 [ 5287.923480][ T73] worker_thread+0x587/0xd30 [ 5287.923480][ T73] kthread+0x28a/0x350 [ 5287.923480][ T73] ret_from_fork+0x31/0x70 [ 5287.923480][ T73] ret_from_fork_asm+0x1a/0x30 [ 5287.923480][ T73] [ 5287.925549][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5287.925549][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.925549][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.925549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.925549][ T73] ip6_route_add+0x1c/0x140 [ 5287.925549][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5287.925549][ T73] inet6_addr_add+0x4f8/0xa40 [ 5287.925549][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.925549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.925549][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.925549][ T73] netlink_unicast+0x449/0x710 [ 5287.925549][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.925549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.925549][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.925549][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.925549][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.925549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.925549][ T73] [ 5287.927779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5287.927779][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.927779][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.927779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.927779][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5287.927779][ T73] ipv6_add_addr+0x411/0x2000 [ 5287.927779][ T73] inet6_addr_add+0x30e/0xa40 [ 5287.927779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.927779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.927779][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.927779][ T73] netlink_unicast+0x449/0x710 [ 5287.927779][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.927779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.927779][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.927779][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.927779][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.927779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.927779][ T73] [ 5287.930179][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5287.930179][ T73] netdev_get_by_index+0x5e/0x80 [ 5287.930179][ T73] fib6_nh_init+0x3d8/0x1580 [ 5287.930179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5287.930179][ T73] ip6_route_add+0x1c/0x140 [ 5287.930179][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5287.930179][ T73] addrconf_add_dev+0xe2/0x170 [ 5287.930179][ T73] inet6_addr_add+0x12f/0xa40 [ 5287.930179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5287.930179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.930179][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.930179][ T73] netlink_unicast+0x449/0x710 [ 5287.930179][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.930179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.930179][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.930179][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.930179][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.930179][ T73] [ 5287.932545][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5287.932545][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5287.932545][ T73] ipv6_find_idev+0x102/0x170 [ 5287.932545][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.932545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.932545][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.932545][ T73] netlink_unicast+0x449/0x710 [ 5287.932545][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.932545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.932545][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.932545][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.932545][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.932545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.932545][ T73] [ 5287.934329][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5287.934329][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5287.934329][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5287.934329][ T73] ipv6_find_idev+0x102/0x170 [ 5287.934329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5287.934329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5287.934329][ T73] netlink_rcv_skb+0x130/0x360 [ 5287.934329][ T73] netlink_unicast+0x449/0x710 [ 5287.934329][ T73] netlink_sendmsg+0x723/0xbe0 [ 5287.934329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5287.934329][ T73] ___sys_sendmsg+0xee/0x170 [ 5287.934329][ T73] __sys_sendmsg+0xcd/0x170 [ 5287.934329][ T73] do_syscall_64+0xc6/0x1e0 [ 5287.934329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5287.934329][ T73] [ 5298.142888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5298.143288][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.143288][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5298.143288][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5298.143288][ T73] fib6_nh_init+0xa22/0x1580 [ 5298.143288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.143288][ T73] ip6_route_add+0x1c/0x140 [ 5298.143288][ T73] inet6_rtm_newroute+0x104/0x110 [ 5298.143288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.143288][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.143288][ T73] netlink_unicast+0x449/0x710 [ 5298.143288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.143288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.143288][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.143288][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.143288][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.143288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.143288][ T73] [ 5298.145314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.145314][ T73] dst_init+0x84/0x4a0 [ 5298.145314][ T73] dst_alloc+0x97/0x150 [ 5298.145314][ T73] ip6_dst_alloc+0x23/0x90 [ 5298.145314][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5298.145314][ T73] ip6_pol_route+0x56f/0x840 [ 5298.145314][ T73] fib6_rule_lookup+0x456/0x630 [ 5298.145314][ T73] ip6_route_input+0x59c/0xa50 [ 5298.145314][ T73] ipv6_rcv+0x397/0x810 [ 5298.145314][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5298.145314][ T73] process_backlog+0x101/0x620 [ 5298.145314][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5298.145314][ T73] net_rx_action+0x495/0xbe0 [ 5298.145314][ T73] __do_softirq+0x1b5/0x7f6 [ 5298.145314][ T73] [ 5298.147080][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.147080][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.147080][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.147080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.147080][ T73] ip6_route_add+0x1c/0x140 [ 5298.147080][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5298.147080][ T73] inet6_addr_add+0x4f8/0xa40 [ 5298.147080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.147080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.147080][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.147080][ T73] netlink_unicast+0x449/0x710 [ 5298.147080][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.147080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.147080][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.147080][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.147080][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.147080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.147080][ T73] [ 5298.149242][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.149242][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.149242][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.149242][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.149242][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5298.149242][ T73] ipv6_add_addr+0x411/0x2000 [ 5298.149242][ T73] inet6_addr_add+0x30e/0xa40 [ 5298.149242][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.149242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.149242][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.149242][ T73] netlink_unicast+0x449/0x710 [ 5298.149242][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.149242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.149242][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.149242][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.149242][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.149242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.149242][ T73] [ 5298.151385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.151385][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.151385][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.151385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.151385][ T73] ip6_route_add+0x1c/0x140 [ 5298.151385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5298.151385][ T73] addrconf_add_dev+0xe2/0x170 [ 5298.151385][ T73] inet6_addr_add+0x12f/0xa40 [ 5298.151385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.151385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.151385][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.151385][ T73] netlink_unicast+0x449/0x710 [ 5298.151385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.151385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.151385][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.151385][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.151385][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.151385][ T73] [ 5298.153495][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.153495][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5298.153495][ T73] ipv6_find_idev+0x102/0x170 [ 5298.153495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.153495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.153495][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.153495][ T73] netlink_unicast+0x449/0x710 [ 5298.153495][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.153495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.153495][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.153495][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.153495][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.153495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.153495][ T73] [ 5298.155163][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5298.155163][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5298.155163][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5298.155163][ T73] ipv6_find_idev+0x102/0x170 [ 5298.155163][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.155163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.155163][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.155163][ T73] netlink_unicast+0x449/0x710 [ 5298.155163][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.155163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.155163][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.155163][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.155163][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.155163][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.155163][ T73] [ 5298.156981][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5298.157274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.157274][ T73] dst_init+0x84/0x4a0 [ 5298.157274][ T73] dst_alloc+0x97/0x150 [ 5298.157274][ T73] ip6_dst_alloc+0x23/0x90 [ 5298.157274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5298.157274][ T73] ip6_pol_route+0x56f/0x840 [ 5298.157274][ T73] fib6_rule_lookup+0x456/0x630 [ 5298.157274][ T73] ip6_route_input+0x59c/0xa50 [ 5298.157274][ T73] ipv6_rcv+0x397/0x810 [ 5298.157274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5298.157274][ T73] process_backlog+0x101/0x620 [ 5298.157274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5298.157274][ T73] net_rx_action+0x495/0xbe0 [ 5298.157274][ T73] __do_softirq+0x1b5/0x7f6 [ 5298.157274][ T73] [ 5298.159034][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.159034][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.159034][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.159034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.159034][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5298.159034][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5298.159034][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5298.159034][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5298.159034][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5298.159034][ T73] addrconf_dad_begin+0x310/0x670 [ 5298.159034][ T73] addrconf_dad_work+0x10b/0xab0 [ 5298.159034][ T73] process_one_work+0x84d/0x18a0 [ 5298.159034][ T73] worker_thread+0x587/0xd30 [ 5298.159034][ T73] kthread+0x28a/0x350 [ 5298.159034][ T73] ret_from_fork+0x31/0x70 [ 5298.159034][ T73] ret_from_fork_asm+0x1a/0x30 [ 5298.159034][ T73] [ 5298.161089][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.161089][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.161089][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.161089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.161089][ T73] ip6_route_add+0x1c/0x140 [ 5298.161089][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5298.161089][ T73] inet6_addr_add+0x4f8/0xa40 [ 5298.161089][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.161089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.161089][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.161089][ T73] netlink_unicast+0x449/0x710 [ 5298.161089][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.161089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.161089][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.161089][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.161089][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.161089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.161089][ T73] [ 5298.163248][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.163248][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.163248][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.163248][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.163248][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5298.163248][ T73] ipv6_add_addr+0x411/0x2000 [ 5298.163248][ T73] inet6_addr_add+0x30e/0xa40 [ 5298.163248][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.163248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.163248][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.163248][ T73] netlink_unicast+0x449/0x710 [ 5298.163248][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.163248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.163248][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.163248][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.163248][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.163248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.163248][ T73] [ 5298.165395][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.165395][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.165395][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.165395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.165395][ T73] ip6_route_add+0x1c/0x140 [ 5298.165395][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5298.165395][ T73] addrconf_add_dev+0xe2/0x170 [ 5298.165395][ T73] inet6_addr_add+0x12f/0xa40 [ 5298.165395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.165395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.165395][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.165395][ T73] netlink_unicast+0x449/0x710 [ 5298.165395][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.165395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.165395][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.165395][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.165395][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.165395][ T73] [ 5298.167504][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.167504][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5298.167504][ T73] ipv6_find_idev+0x102/0x170 [ 5298.167504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.167504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.167504][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.167504][ T73] netlink_unicast+0x449/0x710 [ 5298.167504][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.167504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.167504][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.167504][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.167504][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.167504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.167504][ T73] [ 5298.169152][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5298.169152][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5298.169152][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5298.169152][ T73] ipv6_find_idev+0x102/0x170 [ 5298.169152][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.169152][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.169152][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.169152][ T73] netlink_unicast+0x449/0x710 [ 5298.169152][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.169152][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.169152][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.169152][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.169152][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.169152][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.169152][ T73] [ 5298.171579][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5298.171868][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.171868][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5298.171868][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5298.171868][ T73] fib6_nh_init+0xa22/0x1580 [ 5298.171868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.171868][ T73] ip6_route_add+0x1c/0x140 [ 5298.171868][ T73] inet6_rtm_newroute+0x104/0x110 [ 5298.171868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.171868][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.171868][ T73] netlink_unicast+0x449/0x710 [ 5298.171868][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.171868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.171868][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.171868][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.171868][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.171868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.171868][ T73] [ 5298.174135][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.174135][ T73] dst_init+0x84/0x4a0 [ 5298.174135][ T73] dst_alloc+0x97/0x150 [ 5298.174135][ T73] ip6_dst_alloc+0x23/0x90 [ 5298.174135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5298.174135][ T73] ip6_pol_route+0x56f/0x840 [ 5298.174135][ T73] fib6_rule_lookup+0x456/0x630 [ 5298.174135][ T73] ip6_route_input+0x59c/0xa50 [ 5298.174135][ T73] ipv6_rcv+0x397/0x810 [ 5298.174135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5298.174135][ T73] process_backlog+0x101/0x620 [ 5298.174135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5298.174135][ T73] net_rx_action+0x495/0xbe0 [ 5298.174135][ T73] __do_softirq+0x1b5/0x7f6 [ 5298.174135][ T73] [ 5298.176073][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.176073][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.176073][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.176073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.176073][ T73] ip6_route_add+0x1c/0x140 [ 5298.176073][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5298.176073][ T73] inet6_addr_add+0x4f8/0xa40 [ 5298.176073][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.176073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.176073][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.176073][ T73] netlink_unicast+0x449/0x710 [ 5298.176073][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.176073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.176073][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.176073][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.176073][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.176073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.176073][ T73] [ 5298.178466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.178466][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.178466][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.178466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.178466][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5298.178466][ T73] ipv6_add_addr+0x411/0x2000 [ 5298.178466][ T73] inet6_addr_add+0x30e/0xa40 [ 5298.178466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.178466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.178466][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.178466][ T73] netlink_unicast+0x449/0x710 [ 5298.178466][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.178466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.178466][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.178466][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.178466][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.178466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.178466][ T73] [ 5298.180789][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.180789][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.180789][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.180789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.180789][ T73] ip6_route_add+0x1c/0x140 [ 5298.180789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5298.180789][ T73] addrconf_add_dev+0xe2/0x170 [ 5298.180789][ T73] inet6_addr_add+0x12f/0xa40 [ 5298.180789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.180789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.180789][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.180789][ T73] netlink_unicast+0x449/0x710 [ 5298.180789][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.180789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.180789][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.180789][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.180789][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.180789][ T73] [ 5298.183582][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.183582][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5298.183582][ T73] ipv6_find_idev+0x102/0x170 [ 5298.183582][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.183582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.183582][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.183582][ T73] netlink_unicast+0x449/0x710 [ 5298.183582][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.183582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.183582][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.183582][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.183582][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.183582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.183582][ T73] [ 5298.185358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5298.185358][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5298.185358][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5298.185358][ T73] ipv6_find_idev+0x102/0x170 [ 5298.185358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.185358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.185358][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.185358][ T73] netlink_unicast+0x449/0x710 [ 5298.185358][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.185358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.185358][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.185358][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.185358][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.185358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.185358][ T73] [ 5298.187342][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5298.187683][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5298.187683][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.187683][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.187683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.187683][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5298.187683][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5298.187683][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5298.187683][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5298.187683][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5298.187683][ T73] addrconf_dad_begin+0x310/0x670 [ 5298.187683][ T73] addrconf_dad_work+0x10b/0xab0 [ 5298.187683][ T73] process_one_work+0x84d/0x18a0 [ 5298.187683][ T73] worker_thread+0x587/0xd30 [ 5298.187683][ T73] kthread+0x28a/0x350 [ 5298.187683][ T73] ret_from_fork+0x31/0x70 [ 5298.187683][ T73] ret_from_fork_asm+0x1a/0x30 [ 5298.187683][ T73] [ 5298.189906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5298.189906][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.189906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.189906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.189906][ T73] ip6_route_add+0x1c/0x140 [ 5298.189906][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5298.189906][ T73] inet6_addr_add+0x4f8/0xa40 [ 5298.189906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.189906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.189906][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.189906][ T73] netlink_unicast+0x449/0x710 [ 5298.189906][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.189906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.189906][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.189906][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.189906][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.189906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.189906][ T73] [ 5298.192292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5298.192292][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.192292][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.192292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.192292][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5298.192292][ T73] ipv6_add_addr+0x411/0x2000 [ 5298.192292][ T73] inet6_addr_add+0x30e/0xa40 [ 5298.192292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.192292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.192292][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.192292][ T73] netlink_unicast+0x449/0x710 [ 5298.192292][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.192292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.192292][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.192292][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.192292][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.192292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.192292][ T73] [ 5298.194755][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5298.194755][ T73] netdev_get_by_index+0x5e/0x80 [ 5298.194755][ T73] fib6_nh_init+0x3d8/0x1580 [ 5298.194755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5298.194755][ T73] ip6_route_add+0x1c/0x140 [ 5298.194755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5298.194755][ T73] addrconf_add_dev+0xe2/0x170 [ 5298.194755][ T73] inet6_addr_add+0x12f/0xa40 [ 5298.194755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.194755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.194755][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.194755][ T73] netlink_unicast+0x449/0x710 [ 5298.194755][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.194755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.194755][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.194755][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.194755][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.194755][ T73] [ 5298.197107][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5298.197107][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5298.197107][ T73] ipv6_find_idev+0x102/0x170 [ 5298.197107][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.197107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.197107][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.197107][ T73] netlink_unicast+0x449/0x710 [ 5298.197107][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.197107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.197107][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.197107][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.197107][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.197107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.197107][ T73] [ 5298.198940][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5298.198940][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5298.198940][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5298.198940][ T73] ipv6_find_idev+0x102/0x170 [ 5298.198940][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.198940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.198940][ T73] netlink_rcv_skb+0x130/0x360 [ 5298.198940][ T73] netlink_unicast+0x449/0x710 [ 5298.198940][ T73] netlink_sendmsg+0x723/0xbe0 [ 5298.198940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5298.198940][ T73] ___sys_sendmsg+0xee/0x170 [ 5298.198940][ T73] __sys_sendmsg+0xcd/0x170 [ 5298.198940][ T73] do_syscall_64+0xc6/0x1e0 [ 5298.198940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.198940][ T73] [ 5308.382810][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5308.383209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.383209][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5308.383209][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5308.383209][ T73] fib6_nh_init+0xa22/0x1580 [ 5308.383209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.383209][ T73] ip6_route_add+0x1c/0x140 [ 5308.383209][ T73] inet6_rtm_newroute+0x104/0x110 [ 5308.383209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.383209][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.383209][ T73] netlink_unicast+0x449/0x710 [ 5308.383209][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.383209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.383209][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.383209][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.383209][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.383209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.383209][ T73] [ 5308.385264][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.385264][ T73] dst_init+0x84/0x4a0 [ 5308.385264][ T73] dst_alloc+0x97/0x150 [ 5308.385264][ T73] ip6_dst_alloc+0x23/0x90 [ 5308.385264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5308.385264][ T73] ip6_pol_route+0x56f/0x840 [ 5308.385264][ T73] fib6_rule_lookup+0x456/0x630 [ 5308.385264][ T73] ip6_route_input+0x59c/0xa50 [ 5308.385264][ T73] ipv6_rcv+0x397/0x810 [ 5308.385264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5308.385264][ T73] process_backlog+0x101/0x620 [ 5308.385264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5308.385264][ T73] net_rx_action+0x495/0xbe0 [ 5308.385264][ T73] __do_softirq+0x1b5/0x7f6 [ 5308.385264][ T73] [ 5308.387046][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.387046][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.387046][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.387046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.387046][ T73] ip6_route_add+0x1c/0x140 [ 5308.387046][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5308.387046][ T73] inet6_addr_add+0x4f8/0xa40 [ 5308.387046][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.387046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.387046][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.387046][ T73] netlink_unicast+0x449/0x710 [ 5308.387046][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.387046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.387046][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.387046][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.387046][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.387046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.387046][ T73] [ 5308.389210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.389210][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.389210][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.389210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.389210][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5308.389210][ T73] ipv6_add_addr+0x411/0x2000 [ 5308.389210][ T73] inet6_addr_add+0x30e/0xa40 [ 5308.389210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.389210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.389210][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.389210][ T73] netlink_unicast+0x449/0x710 [ 5308.389210][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.389210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.389210][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.389210][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.389210][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.389210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.389210][ T73] [ 5308.391371][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.391371][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.391371][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.391371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.391371][ T73] ip6_route_add+0x1c/0x140 [ 5308.391371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5308.391371][ T73] addrconf_add_dev+0xe2/0x170 [ 5308.391371][ T73] inet6_addr_add+0x12f/0xa40 [ 5308.391371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.391371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.391371][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.391371][ T73] netlink_unicast+0x449/0x710 [ 5308.391371][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.391371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.391371][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.391371][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.391371][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.391371][ T73] [ 5308.393504][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.393504][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5308.393504][ T73] ipv6_find_idev+0x102/0x170 [ 5308.393504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.393504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.393504][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.393504][ T73] netlink_unicast+0x449/0x710 [ 5308.393504][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.393504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.393504][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.393504][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.393504][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.393504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.393504][ T73] [ 5308.395171][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5308.395171][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5308.395171][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5308.395171][ T73] ipv6_find_idev+0x102/0x170 [ 5308.395171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.395171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.395171][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.395171][ T73] netlink_unicast+0x449/0x710 [ 5308.395171][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.395171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.395171][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.395171][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.395171][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.395171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.395171][ T73] [ 5308.397004][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5308.397291][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.397291][ T73] dst_init+0x84/0x4a0 [ 5308.397291][ T73] dst_alloc+0x97/0x150 [ 5308.397291][ T73] ip6_dst_alloc+0x23/0x90 [ 5308.397291][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5308.397291][ T73] ip6_pol_route+0x56f/0x840 [ 5308.397291][ T73] fib6_rule_lookup+0x456/0x630 [ 5308.397291][ T73] ip6_route_input+0x59c/0xa50 [ 5308.397291][ T73] ipv6_rcv+0x397/0x810 [ 5308.397291][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5308.397291][ T73] process_backlog+0x101/0x620 [ 5308.397291][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5308.397291][ T73] net_rx_action+0x495/0xbe0 [ 5308.397291][ T73] __do_softirq+0x1b5/0x7f6 [ 5308.397291][ T73] [ 5308.399071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.399071][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.399071][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.399071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.399071][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5308.399071][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5308.399071][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5308.399071][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5308.399071][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5308.399071][ T73] addrconf_dad_begin+0x310/0x670 [ 5308.399071][ T73] addrconf_dad_work+0x10b/0xab0 [ 5308.399071][ T73] process_one_work+0x84d/0x18a0 [ 5308.399071][ T73] worker_thread+0x587/0xd30 [ 5308.399071][ T73] kthread+0x28a/0x350 [ 5308.399071][ T73] ret_from_fork+0x31/0x70 [ 5308.399071][ T73] ret_from_fork_asm+0x1a/0x30 [ 5308.399071][ T73] [ 5308.401138][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.401138][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.401138][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.401138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.401138][ T73] ip6_route_add+0x1c/0x140 [ 5308.401138][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5308.401138][ T73] inet6_addr_add+0x4f8/0xa40 [ 5308.401138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.401138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.401138][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.401138][ T73] netlink_unicast+0x449/0x710 [ 5308.401138][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.401138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.401138][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.401138][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.401138][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.401138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.401138][ T73] [ 5308.403298][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.403298][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.403298][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.403298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.403298][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5308.403298][ T73] ipv6_add_addr+0x411/0x2000 [ 5308.403298][ T73] inet6_addr_add+0x30e/0xa40 [ 5308.403298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.403298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.403298][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.403298][ T73] netlink_unicast+0x449/0x710 [ 5308.403298][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.403298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.403298][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.403298][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.403298][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.403298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.403298][ T73] [ 5308.405446][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.405446][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.405446][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.405446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.405446][ T73] ip6_route_add+0x1c/0x140 [ 5308.405446][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5308.405446][ T73] addrconf_add_dev+0xe2/0x170 [ 5308.405446][ T73] inet6_addr_add+0x12f/0xa40 [ 5308.405446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.405446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.405446][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.405446][ T73] netlink_unicast+0x449/0x710 [ 5308.405446][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.405446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.405446][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.405446][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.405446][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.405446][ T73] [ 5308.407568][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.407568][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5308.407568][ T73] ipv6_find_idev+0x102/0x170 [ 5308.407568][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.407568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.407568][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.407568][ T73] netlink_unicast+0x449/0x710 [ 5308.407568][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.407568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.407568][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.407568][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.407568][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.407568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.407568][ T73] [ 5308.409229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5308.409229][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5308.409229][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5308.409229][ T73] ipv6_find_idev+0x102/0x170 [ 5308.409229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.409229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.409229][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.409229][ T73] netlink_unicast+0x449/0x710 [ 5308.409229][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.409229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.409229][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.409229][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.409229][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.409229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.409229][ T73] [ 5308.411152][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5308.411438][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.411438][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5308.411438][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5308.411438][ T73] fib6_nh_init+0xa22/0x1580 [ 5308.411438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.411438][ T73] ip6_route_add+0x1c/0x140 [ 5308.411438][ T73] inet6_rtm_newroute+0x104/0x110 [ 5308.411438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.411438][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.411438][ T73] netlink_unicast+0x449/0x710 [ 5308.411438][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.411438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.411438][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.411438][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.411438][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.411438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.411438][ T73] [ 5308.413767][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.413767][ T73] dst_init+0x84/0x4a0 [ 5308.413767][ T73] dst_alloc+0x97/0x150 [ 5308.413767][ T73] ip6_dst_alloc+0x23/0x90 [ 5308.413767][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5308.413767][ T73] ip6_pol_route+0x56f/0x840 [ 5308.413767][ T73] fib6_rule_lookup+0x456/0x630 [ 5308.413767][ T73] ip6_route_input+0x59c/0xa50 [ 5308.413767][ T73] ipv6_rcv+0x397/0x810 [ 5308.413767][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5308.413767][ T73] process_backlog+0x101/0x620 [ 5308.413767][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5308.413767][ T73] net_rx_action+0x495/0xbe0 [ 5308.413767][ T73] __do_softirq+0x1b5/0x7f6 [ 5308.413767][ T73] [ 5308.415722][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.415722][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.415722][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.415722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.415722][ T73] ip6_route_add+0x1c/0x140 [ 5308.415722][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5308.415722][ T73] inet6_addr_add+0x4f8/0xa40 [ 5308.415722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.415722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.415722][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.415722][ T73] netlink_unicast+0x449/0x710 [ 5308.415722][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.415722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.415722][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.415722][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.415722][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.415722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.415722][ T73] [ 5308.418077][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.418077][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.418077][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.418077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.418077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5308.418077][ T73] ipv6_add_addr+0x411/0x2000 [ 5308.418077][ T73] inet6_addr_add+0x30e/0xa40 [ 5308.418077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.418077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.418077][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.418077][ T73] netlink_unicast+0x449/0x710 [ 5308.418077][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.418077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.418077][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.418077][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.418077][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.418077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.418077][ T73] [ 5308.420361][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.420361][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.420361][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.420361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.420361][ T73] ip6_route_add+0x1c/0x140 [ 5308.420361][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5308.420361][ T73] addrconf_add_dev+0xe2/0x170 [ 5308.420361][ T73] inet6_addr_add+0x12f/0xa40 [ 5308.420361][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.420361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.420361][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.420361][ T73] netlink_unicast+0x449/0x710 [ 5308.420361][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.420361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.420361][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.420361][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.420361][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.420361][ T73] [ 5308.422781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.422781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5308.422781][ T73] ipv6_find_idev+0x102/0x170 [ 5308.422781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.422781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.422781][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.422781][ T73] netlink_unicast+0x449/0x710 [ 5308.422781][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.422781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.422781][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.422781][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.422781][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.422781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.422781][ T73] [ 5308.424623][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5308.424623][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5308.424623][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5308.424623][ T73] ipv6_find_idev+0x102/0x170 [ 5308.424623][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.424623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.424623][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.424623][ T73] netlink_unicast+0x449/0x710 [ 5308.424623][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.424623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.424623][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.424623][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.424623][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.424623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.424623][ T73] [ 5308.426582][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5308.427001][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5308.427001][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.427001][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.427001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.427001][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5308.427001][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5308.427001][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5308.427001][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5308.427001][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5308.427001][ T73] addrconf_dad_begin+0x310/0x670 [ 5308.427001][ T73] addrconf_dad_work+0x10b/0xab0 [ 5308.427001][ T73] process_one_work+0x84d/0x18a0 [ 5308.427001][ T73] worker_thread+0x587/0xd30 [ 5308.427001][ T73] kthread+0x28a/0x350 [ 5308.427001][ T73] ret_from_fork+0x31/0x70 [ 5308.427001][ T73] ret_from_fork_asm+0x1a/0x30 [ 5308.427001][ T73] [ 5308.429244][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5308.429244][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.429244][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.429244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.429244][ T73] ip6_route_add+0x1c/0x140 [ 5308.429244][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5308.429244][ T73] inet6_addr_add+0x4f8/0xa40 [ 5308.429244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.429244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.429244][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.429244][ T73] netlink_unicast+0x449/0x710 [ 5308.429244][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.429244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.429244][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.429244][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.429244][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.429244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.429244][ T73] [ 5308.431640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5308.431640][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.431640][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.431640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.431640][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5308.431640][ T73] ipv6_add_addr+0x411/0x2000 [ 5308.431640][ T73] inet6_addr_add+0x30e/0xa40 [ 5308.431640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.431640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.431640][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.431640][ T73] netlink_unicast+0x449/0x710 [ 5308.431640][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.431640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.431640][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.431640][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.431640][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.431640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.431640][ T73] [ 5308.434043][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5308.434043][ T73] netdev_get_by_index+0x5e/0x80 [ 5308.434043][ T73] fib6_nh_init+0x3d8/0x1580 [ 5308.434043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5308.434043][ T73] ip6_route_add+0x1c/0x140 [ 5308.434043][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5308.434043][ T73] addrconf_add_dev+0xe2/0x170 [ 5308.434043][ T73] inet6_addr_add+0x12f/0xa40 [ 5308.434043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.434043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.434043][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.434043][ T73] netlink_unicast+0x449/0x710 [ 5308.434043][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.434043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.434043][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.434043][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.434043][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.434043][ T73] [ 5308.436405][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5308.436405][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5308.436405][ T73] ipv6_find_idev+0x102/0x170 [ 5308.436405][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.436405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.436405][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.436405][ T73] netlink_unicast+0x449/0x710 [ 5308.436405][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.436405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.436405][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.436405][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.436405][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.436405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.436405][ T73] [ 5308.438262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5308.438262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5308.438262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5308.438262][ T73] ipv6_find_idev+0x102/0x170 [ 5308.438262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.438262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.438262][ T73] netlink_rcv_skb+0x130/0x360 [ 5308.438262][ T73] netlink_unicast+0x449/0x710 [ 5308.438262][ T73] netlink_sendmsg+0x723/0xbe0 [ 5308.438262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5308.438262][ T73] ___sys_sendmsg+0xee/0x170 [ 5308.438262][ T73] __sys_sendmsg+0xcd/0x170 [ 5308.438262][ T73] do_syscall_64+0xc6/0x1e0 [ 5308.438262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.438262][ T73] [ 5318.686885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5318.687318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.687318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5318.687318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5318.687318][ T73] fib6_nh_init+0xa22/0x1580 [ 5318.687318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.687318][ T73] ip6_route_add+0x1c/0x140 [ 5318.687318][ T73] inet6_rtm_newroute+0x104/0x110 [ 5318.687318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.687318][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.687318][ T73] netlink_unicast+0x449/0x710 [ 5318.687318][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.687318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.687318][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.687318][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.687318][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.687318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.687318][ T73] [ 5318.689205][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.689205][ T73] dst_init+0x84/0x4a0 [ 5318.689205][ T73] dst_alloc+0x97/0x150 [ 5318.689205][ T73] ip6_dst_alloc+0x23/0x90 [ 5318.689205][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5318.689205][ T73] ip6_pol_route+0x56f/0x840 [ 5318.689205][ T73] fib6_rule_lookup+0x456/0x630 [ 5318.689205][ T73] ip6_route_input+0x59c/0xa50 [ 5318.689205][ T73] ipv6_rcv+0x397/0x810 [ 5318.689205][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5318.689205][ T73] process_backlog+0x101/0x620 [ 5318.689205][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5318.689205][ T73] net_rx_action+0x495/0xbe0 [ 5318.689205][ T73] __do_softirq+0x1b5/0x7f6 [ 5318.689205][ T73] [ 5318.690844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.690844][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.690844][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.690844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.690844][ T73] ip6_route_add+0x1c/0x140 [ 5318.690844][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5318.690844][ T73] inet6_addr_add+0x4f8/0xa40 [ 5318.690844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.690844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.690844][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.690844][ T73] netlink_unicast+0x449/0x710 [ 5318.690844][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.690844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.690844][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.690844][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.690844][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.690844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.690844][ T73] [ 5318.692831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.692831][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.692831][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.692831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.692831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5318.692831][ T73] ipv6_add_addr+0x411/0x2000 [ 5318.692831][ T73] inet6_addr_add+0x30e/0xa40 [ 5318.692831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.692831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.692831][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.692831][ T73] netlink_unicast+0x449/0x710 [ 5318.692831][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.692831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.692831][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.692831][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.692831][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.692831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.692831][ T73] [ 5318.694828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.694828][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.694828][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.694828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.694828][ T73] ip6_route_add+0x1c/0x140 [ 5318.694828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5318.694828][ T73] addrconf_add_dev+0xe2/0x170 [ 5318.694828][ T73] inet6_addr_add+0x12f/0xa40 [ 5318.694828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.694828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.694828][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.694828][ T73] netlink_unicast+0x449/0x710 [ 5318.694828][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.694828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.694828][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.694828][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.694828][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.694828][ T73] [ 5318.696799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.696799][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5318.696799][ T73] ipv6_find_idev+0x102/0x170 [ 5318.696799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.696799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.696799][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.696799][ T73] netlink_unicast+0x449/0x710 [ 5318.696799][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.696799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.696799][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.696799][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.696799][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.696799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.696799][ T73] [ 5318.698331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5318.698331][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5318.698331][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5318.698331][ T73] ipv6_find_idev+0x102/0x170 [ 5318.698331][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.698331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.698331][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.698331][ T73] netlink_unicast+0x449/0x710 [ 5318.698331][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.698331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.698331][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.698331][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.698331][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.698331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.698331][ T73] [ 5318.700010][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5318.700285][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.700285][ T73] dst_init+0x84/0x4a0 [ 5318.700285][ T73] dst_alloc+0x97/0x150 [ 5318.700285][ T73] ip6_dst_alloc+0x23/0x90 [ 5318.700285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5318.700285][ T73] ip6_pol_route+0x56f/0x840 [ 5318.700285][ T73] fib6_rule_lookup+0x456/0x630 [ 5318.700285][ T73] ip6_route_input+0x59c/0xa50 [ 5318.700285][ T73] ipv6_rcv+0x397/0x810 [ 5318.700285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5318.700285][ T73] process_backlog+0x101/0x620 [ 5318.700285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5318.700285][ T73] net_rx_action+0x495/0xbe0 [ 5318.700285][ T73] __do_softirq+0x1b5/0x7f6 [ 5318.700285][ T73] [ 5318.701920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.701920][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.701920][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.701920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.701920][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5318.701920][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5318.701920][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5318.701920][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5318.701920][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5318.701920][ T73] addrconf_dad_begin+0x310/0x670 [ 5318.701920][ T73] addrconf_dad_work+0x10b/0xab0 [ 5318.701920][ T73] process_one_work+0x84d/0x18a0 [ 5318.701920][ T73] worker_thread+0x587/0xd30 [ 5318.701920][ T73] kthread+0x28a/0x350 [ 5318.701920][ T73] ret_from_fork+0x31/0x70 [ 5318.701920][ T73] ret_from_fork_asm+0x1a/0x30 [ 5318.701920][ T73] [ 5318.703823][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.703823][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.703823][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.703823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.703823][ T73] ip6_route_add+0x1c/0x140 [ 5318.703823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5318.703823][ T73] inet6_addr_add+0x4f8/0xa40 [ 5318.703823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.703823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.703823][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.703823][ T73] netlink_unicast+0x449/0x710 [ 5318.703823][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.703823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.703823][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.703823][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.703823][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.703823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.703823][ T73] [ 5318.705814][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.705814][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.705814][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.705814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.705814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5318.705814][ T73] ipv6_add_addr+0x411/0x2000 [ 5318.705814][ T73] inet6_addr_add+0x30e/0xa40 [ 5318.705814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.705814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.705814][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.705814][ T73] netlink_unicast+0x449/0x710 [ 5318.705814][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.705814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.705814][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.705814][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.705814][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.705814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.705814][ T73] [ 5318.707823][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.707823][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.707823][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.707823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.707823][ T73] ip6_route_add+0x1c/0x140 [ 5318.707823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5318.707823][ T73] addrconf_add_dev+0xe2/0x170 [ 5318.707823][ T73] inet6_addr_add+0x12f/0xa40 [ 5318.707823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.707823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.707823][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.707823][ T73] netlink_unicast+0x449/0x710 [ 5318.707823][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.707823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.707823][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.707823][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.707823][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.707823][ T73] [ 5318.709781][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.709781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5318.709781][ T73] ipv6_find_idev+0x102/0x170 [ 5318.709781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.709781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.709781][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.709781][ T73] netlink_unicast+0x449/0x710 [ 5318.709781][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.709781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.709781][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.709781][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.709781][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.709781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.709781][ T73] [ 5318.711324][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5318.711324][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5318.711324][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5318.711324][ T73] ipv6_find_idev+0x102/0x170 [ 5318.711324][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.711324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.711324][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.711324][ T73] netlink_unicast+0x449/0x710 [ 5318.711324][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.711324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.711324][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.711324][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.711324][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.711324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.711324][ T73] [ 5318.713117][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5318.713443][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.713443][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5318.713443][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5318.713443][ T73] fib6_nh_init+0xa22/0x1580 [ 5318.713443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.713443][ T73] ip6_route_add+0x1c/0x140 [ 5318.713443][ T73] inet6_rtm_newroute+0x104/0x110 [ 5318.713443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.713443][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.713443][ T73] netlink_unicast+0x449/0x710 [ 5318.713443][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.713443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.713443][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.713443][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.713443][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.713443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.713443][ T73] [ 5318.715560][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.715560][ T73] dst_init+0x84/0x4a0 [ 5318.715560][ T73] dst_alloc+0x97/0x150 [ 5318.715560][ T73] ip6_dst_alloc+0x23/0x90 [ 5318.715560][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5318.715560][ T73] ip6_pol_route+0x56f/0x840 [ 5318.715560][ T73] fib6_rule_lookup+0x456/0x630 [ 5318.715560][ T73] ip6_route_input+0x59c/0xa50 [ 5318.715560][ T73] ipv6_rcv+0x397/0x810 [ 5318.715560][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5318.715560][ T73] process_backlog+0x101/0x620 [ 5318.715560][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5318.715560][ T73] net_rx_action+0x495/0xbe0 [ 5318.715560][ T73] __do_softirq+0x1b5/0x7f6 [ 5318.715560][ T73] [ 5318.717319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.717319][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.717319][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.717319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.717319][ T73] ip6_route_add+0x1c/0x140 [ 5318.717319][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5318.717319][ T73] inet6_addr_add+0x4f8/0xa40 [ 5318.717319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.717319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.717319][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.717319][ T73] netlink_unicast+0x449/0x710 [ 5318.717319][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.717319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.717319][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.717319][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.717319][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.717319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.717319][ T73] [ 5318.719568][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.719568][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.719568][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.719568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.719568][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5318.719568][ T73] ipv6_add_addr+0x411/0x2000 [ 5318.719568][ T73] inet6_addr_add+0x30e/0xa40 [ 5318.719568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.719568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.719568][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.719568][ T73] netlink_unicast+0x449/0x710 [ 5318.719568][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.719568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.719568][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.719568][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.719568][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.719568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.719568][ T73] [ 5318.721742][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.721742][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.721742][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.721742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.721742][ T73] ip6_route_add+0x1c/0x140 [ 5318.721742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5318.721742][ T73] addrconf_add_dev+0xe2/0x170 [ 5318.721742][ T73] inet6_addr_add+0x12f/0xa40 [ 5318.721742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.721742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.721742][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.721742][ T73] netlink_unicast+0x449/0x710 [ 5318.721742][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.721742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.721742][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.721742][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.721742][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.721742][ T73] [ 5318.724007][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.724007][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5318.724007][ T73] ipv6_find_idev+0x102/0x170 [ 5318.724007][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.724007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.724007][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.724007][ T73] netlink_unicast+0x449/0x710 [ 5318.724007][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.724007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.724007][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.724007][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.724007][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.724007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.724007][ T73] [ 5318.725721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5318.725721][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5318.725721][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5318.725721][ T73] ipv6_find_idev+0x102/0x170 [ 5318.725721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.725721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.725721][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.725721][ T73] netlink_unicast+0x449/0x710 [ 5318.725721][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.725721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.725721][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.725721][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.725721][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.725721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.725721][ T73] [ 5318.727527][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5318.727796][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5318.727796][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.727796][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.727796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.727796][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5318.727796][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5318.727796][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5318.727796][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5318.727796][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5318.727796][ T73] addrconf_dad_begin+0x310/0x670 [ 5318.727796][ T73] addrconf_dad_work+0x10b/0xab0 [ 5318.727796][ T73] process_one_work+0x84d/0x18a0 [ 5318.727796][ T73] worker_thread+0x587/0xd30 [ 5318.727796][ T73] kthread+0x28a/0x350 [ 5318.727796][ T73] ret_from_fork+0x31/0x70 [ 5318.727796][ T73] ret_from_fork_asm+0x1a/0x30 [ 5318.727796][ T73] [ 5318.729944][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5318.729944][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.729944][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.729944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.729944][ T73] ip6_route_add+0x1c/0x140 [ 5318.729944][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5318.729944][ T73] inet6_addr_add+0x4f8/0xa40 [ 5318.729944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.729944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.729944][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.729944][ T73] netlink_unicast+0x449/0x710 [ 5318.729944][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.729944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.729944][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.729944][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.729944][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.729944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.729944][ T73] [ 5318.732127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5318.732127][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.732127][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.732127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.732127][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5318.732127][ T73] ipv6_add_addr+0x411/0x2000 [ 5318.732127][ T73] inet6_addr_add+0x30e/0xa40 [ 5318.732127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.732127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.732127][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.732127][ T73] netlink_unicast+0x449/0x710 [ 5318.732127][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.732127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.732127][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.732127][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.732127][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.732127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.732127][ T73] [ 5318.734416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5318.734416][ T73] netdev_get_by_index+0x5e/0x80 [ 5318.734416][ T73] fib6_nh_init+0x3d8/0x1580 [ 5318.734416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5318.734416][ T73] ip6_route_add+0x1c/0x140 [ 5318.734416][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5318.734416][ T73] addrconf_add_dev+0xe2/0x170 [ 5318.734416][ T73] inet6_addr_add+0x12f/0xa40 [ 5318.734416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.734416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.734416][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.734416][ T73] netlink_unicast+0x449/0x710 [ 5318.734416][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.734416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.734416][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.734416][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.734416][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.734416][ T73] [ 5318.736563][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5318.736563][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5318.736563][ T73] ipv6_find_idev+0x102/0x170 [ 5318.736563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.736563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.736563][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.736563][ T73] netlink_unicast+0x449/0x710 [ 5318.736563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.736563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.736563][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.736563][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.736563][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.736563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.736563][ T73] [ 5318.738284][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5318.738284][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5318.738284][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5318.738284][ T73] ipv6_find_idev+0x102/0x170 [ 5318.738284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.738284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.738284][ T73] netlink_rcv_skb+0x130/0x360 [ 5318.738284][ T73] netlink_unicast+0x449/0x710 [ 5318.738284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5318.738284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5318.738284][ T73] ___sys_sendmsg+0xee/0x170 [ 5318.738284][ T73] __sys_sendmsg+0xcd/0x170 [ 5318.738284][ T73] do_syscall_64+0xc6/0x1e0 [ 5318.738284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.738284][ T73] [ 5328.774852][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5328.775357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.775357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5328.775357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5328.775357][ T73] fib6_nh_init+0xa22/0x1580 [ 5328.775357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.775357][ T73] ip6_route_add+0x1c/0x140 [ 5328.775357][ T73] inet6_rtm_newroute+0x104/0x110 [ 5328.775357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.775357][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.775357][ T73] netlink_unicast+0x449/0x710 [ 5328.775357][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.775357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.775357][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.775357][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.775357][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.775357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.775357][ T73] [ 5328.777855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.777855][ T73] dst_init+0x84/0x4a0 [ 5328.777855][ T73] dst_alloc+0x97/0x150 [ 5328.777855][ T73] ip6_dst_alloc+0x23/0x90 [ 5328.777855][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5328.777855][ T73] ip6_pol_route+0x56f/0x840 [ 5328.777855][ T73] fib6_rule_lookup+0x456/0x630 [ 5328.777855][ T73] ip6_route_input+0x59c/0xa50 [ 5328.777855][ T73] ipv6_rcv+0x397/0x810 [ 5328.777855][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5328.777855][ T73] process_backlog+0x101/0x620 [ 5328.777855][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5328.777855][ T73] net_rx_action+0x495/0xbe0 [ 5328.777855][ T73] __do_softirq+0x1b5/0x7f6 [ 5328.777855][ T73] [ 5328.779514][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.779514][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.779514][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.779514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.779514][ T73] ip6_route_add+0x1c/0x140 [ 5328.779514][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5328.779514][ T73] inet6_addr_add+0x4f8/0xa40 [ 5328.779514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.779514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.779514][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.779514][ T73] netlink_unicast+0x449/0x710 [ 5328.779514][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.779514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.779514][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.779514][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.779514][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.779514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.779514][ T73] [ 5328.781542][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.781542][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.781542][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.781542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.781542][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5328.781542][ T73] ipv6_add_addr+0x411/0x2000 [ 5328.781542][ T73] inet6_addr_add+0x30e/0xa40 [ 5328.781542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.781542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.781542][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.781542][ T73] netlink_unicast+0x449/0x710 [ 5328.781542][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.781542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.781542][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.781542][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.781542][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.781542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.781542][ T73] [ 5328.783558][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.783558][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.783558][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.783558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.783558][ T73] ip6_route_add+0x1c/0x140 [ 5328.783558][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5328.783558][ T73] addrconf_add_dev+0xe2/0x170 [ 5328.783558][ T73] inet6_addr_add+0x12f/0xa40 [ 5328.783558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.783558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.783558][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.783558][ T73] netlink_unicast+0x449/0x710 [ 5328.783558][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.783558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.783558][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.783558][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.783558][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.783558][ T73] [ 5328.785550][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.785550][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5328.785550][ T73] ipv6_find_idev+0x102/0x170 [ 5328.785550][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.785550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.785550][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.785550][ T73] netlink_unicast+0x449/0x710 [ 5328.785550][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.785550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.785550][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.785550][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.785550][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.785550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.785550][ T73] [ 5328.787123][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5328.787123][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5328.787123][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5328.787123][ T73] ipv6_find_idev+0x102/0x170 [ 5328.787123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.787123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.787123][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.787123][ T73] netlink_unicast+0x449/0x710 [ 5328.787123][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.787123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.787123][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.787123][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.787123][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.787123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.787123][ T73] [ 5328.788848][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5328.789135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.789135][ T73] dst_init+0x84/0x4a0 [ 5328.789135][ T73] dst_alloc+0x97/0x150 [ 5328.789135][ T73] ip6_dst_alloc+0x23/0x90 [ 5328.789135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5328.789135][ T73] ip6_pol_route+0x56f/0x840 [ 5328.789135][ T73] fib6_rule_lookup+0x456/0x630 [ 5328.789135][ T73] ip6_route_input+0x59c/0xa50 [ 5328.789135][ T73] ipv6_rcv+0x397/0x810 [ 5328.789135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5328.789135][ T73] process_backlog+0x101/0x620 [ 5328.789135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5328.789135][ T73] net_rx_action+0x495/0xbe0 [ 5328.789135][ T73] __do_softirq+0x1b5/0x7f6 [ 5328.789135][ T73] [ 5328.790798][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.790798][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.790798][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.790798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.790798][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5328.790798][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5328.790798][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5328.790798][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5328.790798][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5328.790798][ T73] addrconf_dad_begin+0x310/0x670 [ 5328.790798][ T73] addrconf_dad_work+0x10b/0xab0 [ 5328.790798][ T73] process_one_work+0x84d/0x18a0 [ 5328.790798][ T73] worker_thread+0x587/0xd30 [ 5328.790798][ T73] kthread+0x28a/0x350 [ 5328.790798][ T73] ret_from_fork+0x31/0x70 [ 5328.790798][ T73] ret_from_fork_asm+0x1a/0x30 [ 5328.790798][ T73] [ 5328.792734][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.792734][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.792734][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.792734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.792734][ T73] ip6_route_add+0x1c/0x140 [ 5328.792734][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5328.792734][ T73] inet6_addr_add+0x4f8/0xa40 [ 5328.792734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.792734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.792734][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.792734][ T73] netlink_unicast+0x449/0x710 [ 5328.792734][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.792734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.792734][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.792734][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.792734][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.792734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.792734][ T73] [ 5328.794749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.794749][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.794749][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.794749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.794749][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5328.794749][ T73] ipv6_add_addr+0x411/0x2000 [ 5328.794749][ T73] inet6_addr_add+0x30e/0xa40 [ 5328.794749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.794749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.794749][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.794749][ T73] netlink_unicast+0x449/0x710 [ 5328.794749][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.794749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.794749][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.794749][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.794749][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.794749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.794749][ T73] [ 5328.797181][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.797181][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.797181][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.797181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.797181][ T73] ip6_route_add+0x1c/0x140 [ 5328.797181][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5328.797181][ T73] addrconf_add_dev+0xe2/0x170 [ 5328.797181][ T73] inet6_addr_add+0x12f/0xa40 [ 5328.797181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.797181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.797181][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.797181][ T73] netlink_unicast+0x449/0x710 [ 5328.797181][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.797181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.797181][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.797181][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.797181][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.797181][ T73] [ 5328.799162][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.799162][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5328.799162][ T73] ipv6_find_idev+0x102/0x170 [ 5328.799162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.799162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.799162][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.799162][ T73] netlink_unicast+0x449/0x710 [ 5328.799162][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.799162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.799162][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.799162][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.799162][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.799162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.799162][ T73] [ 5328.800716][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5328.800716][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5328.800716][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5328.800716][ T73] ipv6_find_idev+0x102/0x170 [ 5328.800716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.800716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.800716][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.800716][ T73] netlink_unicast+0x449/0x710 [ 5328.800716][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.800716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.800716][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.800716][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.800716][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.800716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.800716][ T73] [ 5328.802589][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5328.802941][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.802941][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5328.802941][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5328.802941][ T73] fib6_nh_init+0xa22/0x1580 [ 5328.802941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.802941][ T73] ip6_route_add+0x1c/0x140 [ 5328.802941][ T73] inet6_rtm_newroute+0x104/0x110 [ 5328.802941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.802941][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.802941][ T73] netlink_unicast+0x449/0x710 [ 5328.802941][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.802941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.802941][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.802941][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.802941][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.802941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.802941][ T73] [ 5328.805026][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.805026][ T73] dst_init+0x84/0x4a0 [ 5328.805026][ T73] dst_alloc+0x97/0x150 [ 5328.805026][ T73] ip6_dst_alloc+0x23/0x90 [ 5328.805026][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5328.805026][ T73] ip6_pol_route+0x56f/0x840 [ 5328.805026][ T73] fib6_rule_lookup+0x456/0x630 [ 5328.805026][ T73] ip6_route_input+0x59c/0xa50 [ 5328.805026][ T73] ipv6_rcv+0x397/0x810 [ 5328.805026][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5328.805026][ T73] process_backlog+0x101/0x620 [ 5328.805026][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5328.805026][ T73] net_rx_action+0x495/0xbe0 [ 5328.805026][ T73] __do_softirq+0x1b5/0x7f6 [ 5328.805026][ T73] [ 5328.806866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.806866][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.806866][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.806866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.806866][ T73] ip6_route_add+0x1c/0x140 [ 5328.806866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5328.806866][ T73] inet6_addr_add+0x4f8/0xa40 [ 5328.806866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.806866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.806866][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.806866][ T73] netlink_unicast+0x449/0x710 [ 5328.806866][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.806866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.806866][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.806866][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.806866][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.806866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.806866][ T73] [ 5328.809193][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.809193][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.809193][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.809193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.809193][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5328.809193][ T73] ipv6_add_addr+0x411/0x2000 [ 5328.809193][ T73] inet6_addr_add+0x30e/0xa40 [ 5328.809193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.809193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.809193][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.809193][ T73] netlink_unicast+0x449/0x710 [ 5328.809193][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.809193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.809193][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.809193][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.809193][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.809193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.809193][ T73] [ 5328.811457][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.811457][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.811457][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.811457][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.811457][ T73] ip6_route_add+0x1c/0x140 [ 5328.811457][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5328.811457][ T73] addrconf_add_dev+0xe2/0x170 [ 5328.811457][ T73] inet6_addr_add+0x12f/0xa40 [ 5328.811457][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.811457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.811457][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.811457][ T73] netlink_unicast+0x449/0x710 [ 5328.811457][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.811457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.811457][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.811457][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.811457][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.811457][ T73] [ 5328.813676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.813676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5328.813676][ T73] ipv6_find_idev+0x102/0x170 [ 5328.813676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.813676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.813676][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.813676][ T73] netlink_unicast+0x449/0x710 [ 5328.813676][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.813676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.813676][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.813676][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.813676][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.813676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.813676][ T73] [ 5328.815413][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5328.815413][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5328.815413][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5328.815413][ T73] ipv6_find_idev+0x102/0x170 [ 5328.815413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.815413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.815413][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.815413][ T73] netlink_unicast+0x449/0x710 [ 5328.815413][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.815413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.815413][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.815413][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.815413][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.815413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.815413][ T73] [ 5328.817371][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5328.817649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5328.817649][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.817649][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.817649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.817649][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5328.817649][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5328.817649][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5328.817649][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5328.817649][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5328.817649][ T73] addrconf_dad_begin+0x310/0x670 [ 5328.817649][ T73] addrconf_dad_work+0x10b/0xab0 [ 5328.817649][ T73] process_one_work+0x84d/0x18a0 [ 5328.817649][ T73] worker_thread+0x587/0xd30 [ 5328.817649][ T73] kthread+0x28a/0x350 [ 5328.817649][ T73] ret_from_fork+0x31/0x70 [ 5328.817649][ T73] ret_from_fork_asm+0x1a/0x30 [ 5328.817649][ T73] [ 5328.819820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5328.819820][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.819820][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.819820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.819820][ T73] ip6_route_add+0x1c/0x140 [ 5328.819820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5328.819820][ T73] inet6_addr_add+0x4f8/0xa40 [ 5328.819820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.819820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.819820][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.819820][ T73] netlink_unicast+0x449/0x710 [ 5328.819820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.819820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.819820][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.819820][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.819820][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.819820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.819820][ T73] [ 5328.822085][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5328.822085][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.822085][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.822085][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.822085][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5328.822085][ T73] ipv6_add_addr+0x411/0x2000 [ 5328.822085][ T73] inet6_addr_add+0x30e/0xa40 [ 5328.822085][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.822085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.822085][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.822085][ T73] netlink_unicast+0x449/0x710 [ 5328.822085][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.822085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.822085][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.822085][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.822085][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.822085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.822085][ T73] [ 5328.824374][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5328.824374][ T73] netdev_get_by_index+0x5e/0x80 [ 5328.824374][ T73] fib6_nh_init+0x3d8/0x1580 [ 5328.824374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5328.824374][ T73] ip6_route_add+0x1c/0x140 [ 5328.824374][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5328.824374][ T73] addrconf_add_dev+0xe2/0x170 [ 5328.824374][ T73] inet6_addr_add+0x12f/0xa40 [ 5328.824374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5328.824374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.824374][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.824374][ T73] netlink_unicast+0x449/0x710 [ 5328.824374][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.824374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.824374][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.824374][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.824374][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.824374][ T73] [ 5328.826545][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5328.826545][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5328.826545][ T73] ipv6_find_idev+0x102/0x170 [ 5328.826545][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.826545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.826545][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.826545][ T73] netlink_unicast+0x449/0x710 [ 5328.826545][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.826545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.826545][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.826545][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.826545][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.826545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.826545][ T73] [ 5328.828345][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5328.828345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5328.828345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5328.828345][ T73] ipv6_find_idev+0x102/0x170 [ 5328.828345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5328.828345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5328.828345][ T73] netlink_rcv_skb+0x130/0x360 [ 5328.828345][ T73] netlink_unicast+0x449/0x710 [ 5328.828345][ T73] netlink_sendmsg+0x723/0xbe0 [ 5328.828345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5328.828345][ T73] ___sys_sendmsg+0xee/0x170 [ 5328.828345][ T73] __sys_sendmsg+0xcd/0x170 [ 5328.828345][ T73] do_syscall_64+0xc6/0x1e0 [ 5328.828345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5328.828345][ T73] [ 5339.070844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5339.071313][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.071313][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5339.071313][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5339.071313][ T73] fib6_nh_init+0xa22/0x1580 [ 5339.071313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.071313][ T73] ip6_route_add+0x1c/0x140 [ 5339.071313][ T73] inet6_rtm_newroute+0x104/0x110 [ 5339.071313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.071313][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.071313][ T73] netlink_unicast+0x449/0x710 [ 5339.071313][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.071313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.071313][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.071313][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.071313][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.071313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.071313][ T73] [ 5339.073242][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.073242][ T73] dst_init+0x84/0x4a0 [ 5339.073242][ T73] dst_alloc+0x97/0x150 [ 5339.073242][ T73] ip6_dst_alloc+0x23/0x90 [ 5339.073242][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5339.073242][ T73] ip6_pol_route+0x56f/0x840 [ 5339.073242][ T73] fib6_rule_lookup+0x456/0x630 [ 5339.073242][ T73] ip6_route_input+0x59c/0xa50 [ 5339.073242][ T73] ipv6_rcv+0x397/0x810 [ 5339.073242][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5339.073242][ T73] process_backlog+0x101/0x620 [ 5339.073242][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5339.073242][ T73] net_rx_action+0x495/0xbe0 [ 5339.073242][ T73] __do_softirq+0x1b5/0x7f6 [ 5339.073242][ T73] [ 5339.074905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.074905][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.074905][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.074905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.074905][ T73] ip6_route_add+0x1c/0x140 [ 5339.074905][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5339.074905][ T73] inet6_addr_add+0x4f8/0xa40 [ 5339.074905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.074905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.074905][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.074905][ T73] netlink_unicast+0x449/0x710 [ 5339.074905][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.074905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.074905][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.074905][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.074905][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.074905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.074905][ T73] [ 5339.076952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.076952][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.076952][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.076952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.076952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5339.076952][ T73] ipv6_add_addr+0x411/0x2000 [ 5339.076952][ T73] inet6_addr_add+0x30e/0xa40 [ 5339.076952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.076952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.076952][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.076952][ T73] netlink_unicast+0x449/0x710 [ 5339.076952][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.076952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.076952][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.076952][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.076952][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.076952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.076952][ T73] [ 5339.078971][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.078971][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.078971][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.078971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.078971][ T73] ip6_route_add+0x1c/0x140 [ 5339.078971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5339.078971][ T73] addrconf_add_dev+0xe2/0x170 [ 5339.078971][ T73] inet6_addr_add+0x12f/0xa40 [ 5339.078971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.078971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.078971][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.078971][ T73] netlink_unicast+0x449/0x710 [ 5339.078971][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.078971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.078971][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.078971][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.078971][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.078971][ T73] [ 5339.080961][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.080961][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5339.080961][ T73] ipv6_find_idev+0x102/0x170 [ 5339.080961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.080961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.080961][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.080961][ T73] netlink_unicast+0x449/0x710 [ 5339.080961][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.080961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.080961][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.080961][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.080961][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.080961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.080961][ T73] [ 5339.082526][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5339.082526][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5339.082526][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5339.082526][ T73] ipv6_find_idev+0x102/0x170 [ 5339.082526][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.082526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.082526][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.082526][ T73] netlink_unicast+0x449/0x710 [ 5339.082526][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.082526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.082526][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.082526][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.082526][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.082526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.082526][ T73] [ 5339.084260][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5339.084538][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.084538][ T73] dst_init+0x84/0x4a0 [ 5339.084538][ T73] dst_alloc+0x97/0x150 [ 5339.084538][ T73] ip6_dst_alloc+0x23/0x90 [ 5339.084538][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5339.084538][ T73] ip6_pol_route+0x56f/0x840 [ 5339.084538][ T73] fib6_rule_lookup+0x456/0x630 [ 5339.084538][ T73] ip6_route_input+0x59c/0xa50 [ 5339.084538][ T73] ipv6_rcv+0x397/0x810 [ 5339.084538][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5339.084538][ T73] process_backlog+0x101/0x620 [ 5339.084538][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5339.084538][ T73] net_rx_action+0x495/0xbe0 [ 5339.084538][ T73] __do_softirq+0x1b5/0x7f6 [ 5339.084538][ T73] [ 5339.086217][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.086217][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.086217][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.086217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.086217][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5339.086217][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5339.086217][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5339.086217][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5339.086217][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5339.086217][ T73] addrconf_dad_begin+0x310/0x670 [ 5339.086217][ T73] addrconf_dad_work+0x10b/0xab0 [ 5339.086217][ T73] process_one_work+0x84d/0x18a0 [ 5339.086217][ T73] worker_thread+0x587/0xd30 [ 5339.086217][ T73] kthread+0x28a/0x350 [ 5339.086217][ T73] ret_from_fork+0x31/0x70 [ 5339.086217][ T73] ret_from_fork_asm+0x1a/0x30 [ 5339.086217][ T73] [ 5339.088161][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.088161][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.088161][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.088161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.088161][ T73] ip6_route_add+0x1c/0x140 [ 5339.088161][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5339.088161][ T73] inet6_addr_add+0x4f8/0xa40 [ 5339.088161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.088161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.088161][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.088161][ T73] netlink_unicast+0x449/0x710 [ 5339.088161][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.088161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.088161][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.088161][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.088161][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.088161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.088161][ T73] [ 5339.090201][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.090201][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.090201][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.090201][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.090201][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5339.090201][ T73] ipv6_add_addr+0x411/0x2000 [ 5339.090201][ T73] inet6_addr_add+0x30e/0xa40 [ 5339.090201][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.090201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.090201][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.090201][ T73] netlink_unicast+0x449/0x710 [ 5339.090201][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.090201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.090201][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.090201][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.090201][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.090201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.090201][ T73] [ 5339.092298][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.092298][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.092298][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.092298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.092298][ T73] ip6_route_add+0x1c/0x140 [ 5339.092298][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5339.092298][ T73] addrconf_add_dev+0xe2/0x170 [ 5339.092298][ T73] inet6_addr_add+0x12f/0xa40 [ 5339.092298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.092298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.092298][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.092298][ T73] netlink_unicast+0x449/0x710 [ 5339.092298][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.092298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.092298][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.092298][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.092298][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.092298][ T73] [ 5339.094442][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.094442][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5339.094442][ T73] ipv6_find_idev+0x102/0x170 [ 5339.094442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.094442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.094442][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.094442][ T73] netlink_unicast+0x449/0x710 [ 5339.094442][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.094442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.094442][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.094442][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.094442][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.094442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.094442][ T73] [ 5339.096140][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5339.096140][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5339.096140][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5339.096140][ T73] ipv6_find_idev+0x102/0x170 [ 5339.096140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.096140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.096140][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.096140][ T73] netlink_unicast+0x449/0x710 [ 5339.096140][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.096140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.096140][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.096140][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.096140][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.096140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.096140][ T73] [ 5339.098122][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5339.098418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.098418][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5339.098418][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5339.098418][ T73] fib6_nh_init+0xa22/0x1580 [ 5339.098418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.098418][ T73] ip6_route_add+0x1c/0x140 [ 5339.098418][ T73] inet6_rtm_newroute+0x104/0x110 [ 5339.098418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.098418][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.098418][ T73] netlink_unicast+0x449/0x710 [ 5339.098418][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.098418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.098418][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.098418][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.098418][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.098418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.098418][ T73] [ 5339.100616][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.100616][ T73] dst_init+0x84/0x4a0 [ 5339.100616][ T73] dst_alloc+0x97/0x150 [ 5339.100616][ T73] ip6_dst_alloc+0x23/0x90 [ 5339.100616][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5339.100616][ T73] ip6_pol_route+0x56f/0x840 [ 5339.100616][ T73] fib6_rule_lookup+0x456/0x630 [ 5339.100616][ T73] ip6_route_input+0x59c/0xa50 [ 5339.100616][ T73] ipv6_rcv+0x397/0x810 [ 5339.100616][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5339.100616][ T73] process_backlog+0x101/0x620 [ 5339.100616][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5339.100616][ T73] net_rx_action+0x495/0xbe0 [ 5339.100616][ T73] __do_softirq+0x1b5/0x7f6 [ 5339.100616][ T73] [ 5339.102474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.102474][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.102474][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.102474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.102474][ T73] ip6_route_add+0x1c/0x140 [ 5339.102474][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5339.102474][ T73] inet6_addr_add+0x4f8/0xa40 [ 5339.102474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.102474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.102474][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.102474][ T73] netlink_unicast+0x449/0x710 [ 5339.102474][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.102474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.102474][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.102474][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.102474][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.102474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.102474][ T73] [ 5339.104793][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.104793][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.104793][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.104793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.104793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5339.104793][ T73] ipv6_add_addr+0x411/0x2000 [ 5339.104793][ T73] inet6_addr_add+0x30e/0xa40 [ 5339.104793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.104793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.104793][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.104793][ T73] netlink_unicast+0x449/0x710 [ 5339.104793][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.104793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.104793][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.104793][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.104793][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.104793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.104793][ T73] [ 5339.107112][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.107112][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.107112][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.107112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.107112][ T73] ip6_route_add+0x1c/0x140 [ 5339.107112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5339.107112][ T73] addrconf_add_dev+0xe2/0x170 [ 5339.107112][ T73] inet6_addr_add+0x12f/0xa40 [ 5339.107112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.107112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.107112][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.107112][ T73] netlink_unicast+0x449/0x710 [ 5339.107112][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.107112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.107112][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.107112][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.107112][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.107112][ T73] [ 5339.109456][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.109456][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5339.109456][ T73] ipv6_find_idev+0x102/0x170 [ 5339.109456][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.109456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.109456][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.109456][ T73] netlink_unicast+0x449/0x710 [ 5339.109456][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.109456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.109456][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.109456][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.109456][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.109456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.109456][ T73] [ 5339.111273][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5339.111273][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5339.111273][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5339.111273][ T73] ipv6_find_idev+0x102/0x170 [ 5339.111273][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.111273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.111273][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.111273][ T73] netlink_unicast+0x449/0x710 [ 5339.111273][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.111273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.111273][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.111273][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.111273][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.111273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.111273][ T73] [ 5339.113187][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5339.113482][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5339.113482][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.113482][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.113482][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.113482][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5339.113482][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5339.113482][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5339.113482][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5339.113482][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5339.113482][ T73] addrconf_dad_begin+0x310/0x670 [ 5339.113482][ T73] addrconf_dad_work+0x10b/0xab0 [ 5339.113482][ T73] process_one_work+0x84d/0x18a0 [ 5339.113482][ T73] worker_thread+0x587/0xd30 [ 5339.113482][ T73] kthread+0x28a/0x350 [ 5339.113482][ T73] ret_from_fork+0x31/0x70 [ 5339.113482][ T73] ret_from_fork_asm+0x1a/0x30 [ 5339.113482][ T73] [ 5339.115713][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5339.115713][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.115713][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.115713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.115713][ T73] ip6_route_add+0x1c/0x140 [ 5339.115713][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5339.115713][ T73] inet6_addr_add+0x4f8/0xa40 [ 5339.115713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.115713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.115713][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.115713][ T73] netlink_unicast+0x449/0x710 [ 5339.115713][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.115713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.115713][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.115713][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.115713][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.115713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.115713][ T73] [ 5339.118127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5339.118127][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.118127][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.118127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.118127][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5339.118127][ T73] ipv6_add_addr+0x411/0x2000 [ 5339.118127][ T73] inet6_addr_add+0x30e/0xa40 [ 5339.118127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.118127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.118127][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.118127][ T73] netlink_unicast+0x449/0x710 [ 5339.118127][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.118127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.118127][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.118127][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.118127][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.118127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.118127][ T73] [ 5339.120440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5339.120440][ T73] netdev_get_by_index+0x5e/0x80 [ 5339.120440][ T73] fib6_nh_init+0x3d8/0x1580 [ 5339.120440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5339.120440][ T73] ip6_route_add+0x1c/0x140 [ 5339.120440][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5339.120440][ T73] addrconf_add_dev+0xe2/0x170 [ 5339.120440][ T73] inet6_addr_add+0x12f/0xa40 [ 5339.120440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.120440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.120440][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.120440][ T73] netlink_unicast+0x449/0x710 [ 5339.120440][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.120440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.120440][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.120440][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.120440][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.120440][ T73] [ 5339.122715][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5339.122715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5339.122715][ T73] ipv6_find_idev+0x102/0x170 [ 5339.122715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.122715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.122715][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.122715][ T73] netlink_unicast+0x449/0x710 [ 5339.122715][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.122715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.122715][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.122715][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.122715][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.122715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.122715][ T73] [ 5339.124465][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5339.124465][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5339.124465][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5339.124465][ T73] ipv6_find_idev+0x102/0x170 [ 5339.124465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.124465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.124465][ T73] netlink_rcv_skb+0x130/0x360 [ 5339.124465][ T73] netlink_unicast+0x449/0x710 [ 5339.124465][ T73] netlink_sendmsg+0x723/0xbe0 [ 5339.124465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5339.124465][ T73] ___sys_sendmsg+0xee/0x170 [ 5339.124465][ T73] __sys_sendmsg+0xcd/0x170 [ 5339.124465][ T73] do_syscall_64+0xc6/0x1e0 [ 5339.124465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.124465][ T73] [ 5349.366819][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5349.367240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.367240][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5349.367240][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5349.367240][ T73] fib6_nh_init+0xa22/0x1580 [ 5349.367240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.367240][ T73] ip6_route_add+0x1c/0x140 [ 5349.367240][ T73] inet6_rtm_newroute+0x104/0x110 [ 5349.367240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.367240][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.367240][ T73] netlink_unicast+0x449/0x710 [ 5349.367240][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.367240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.367240][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.367240][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.367240][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.367240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.367240][ T73] [ 5349.369308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.369308][ T73] dst_init+0x84/0x4a0 [ 5349.369308][ T73] dst_alloc+0x97/0x150 [ 5349.369308][ T73] ip6_dst_alloc+0x23/0x90 [ 5349.369308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5349.369308][ T73] ip6_pol_route+0x56f/0x840 [ 5349.369308][ T73] fib6_rule_lookup+0x456/0x630 [ 5349.369308][ T73] ip6_route_input+0x59c/0xa50 [ 5349.369308][ T73] ipv6_rcv+0x397/0x810 [ 5349.369308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5349.369308][ T73] process_backlog+0x101/0x620 [ 5349.369308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5349.369308][ T73] net_rx_action+0x495/0xbe0 [ 5349.369308][ T73] __do_softirq+0x1b5/0x7f6 [ 5349.369308][ T73] [ 5349.371133][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.371133][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.371133][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.371133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.371133][ T73] ip6_route_add+0x1c/0x140 [ 5349.371133][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5349.371133][ T73] inet6_addr_add+0x4f8/0xa40 [ 5349.371133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.371133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.371133][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.371133][ T73] netlink_unicast+0x449/0x710 [ 5349.371133][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.371133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.371133][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.371133][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.371133][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.371133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.371133][ T73] [ 5349.373317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.373317][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.373317][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.373317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.373317][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5349.373317][ T73] ipv6_add_addr+0x411/0x2000 [ 5349.373317][ T73] inet6_addr_add+0x30e/0xa40 [ 5349.373317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.373317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.373317][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.373317][ T73] netlink_unicast+0x449/0x710 [ 5349.373317][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.373317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.373317][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.373317][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.373317][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.373317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.373317][ T73] [ 5349.375501][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.375501][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.375501][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.375501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.375501][ T73] ip6_route_add+0x1c/0x140 [ 5349.375501][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5349.375501][ T73] addrconf_add_dev+0xe2/0x170 [ 5349.375501][ T73] inet6_addr_add+0x12f/0xa40 [ 5349.375501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.375501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.375501][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.375501][ T73] netlink_unicast+0x449/0x710 [ 5349.375501][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.375501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.375501][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.375501][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.375501][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.375501][ T73] [ 5349.377659][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.377659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5349.377659][ T73] ipv6_find_idev+0x102/0x170 [ 5349.377659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.377659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.377659][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.377659][ T73] netlink_unicast+0x449/0x710 [ 5349.377659][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.377659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.377659][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.377659][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.377659][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.377659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.377659][ T73] [ 5349.379233][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5349.379233][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5349.379233][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5349.379233][ T73] ipv6_find_idev+0x102/0x170 [ 5349.379233][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.379233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.379233][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.379233][ T73] netlink_unicast+0x449/0x710 [ 5349.379233][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.379233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.379233][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.379233][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.379233][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.379233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.379233][ T73] [ 5349.380956][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5349.381235][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.381235][ T73] dst_init+0x84/0x4a0 [ 5349.381235][ T73] dst_alloc+0x97/0x150 [ 5349.381235][ T73] ip6_dst_alloc+0x23/0x90 [ 5349.381235][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5349.381235][ T73] ip6_pol_route+0x56f/0x840 [ 5349.381235][ T73] fib6_rule_lookup+0x456/0x630 [ 5349.381235][ T73] ip6_route_input+0x59c/0xa50 [ 5349.381235][ T73] ipv6_rcv+0x397/0x810 [ 5349.381235][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5349.381235][ T73] process_backlog+0x101/0x620 [ 5349.381235][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5349.381235][ T73] net_rx_action+0x495/0xbe0 [ 5349.381235][ T73] __do_softirq+0x1b5/0x7f6 [ 5349.381235][ T73] [ 5349.382893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.382893][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.382893][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.382893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.382893][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5349.382893][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5349.382893][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5349.382893][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5349.382893][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5349.382893][ T73] addrconf_dad_begin+0x310/0x670 [ 5349.382893][ T73] addrconf_dad_work+0x10b/0xab0 [ 5349.382893][ T73] process_one_work+0x84d/0x18a0 [ 5349.382893][ T73] worker_thread+0x587/0xd30 [ 5349.382893][ T73] kthread+0x28a/0x350 [ 5349.382893][ T73] ret_from_fork+0x31/0x70 [ 5349.382893][ T73] ret_from_fork_asm+0x1a/0x30 [ 5349.382893][ T73] [ 5349.384930][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.384930][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.384930][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.384930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.384930][ T73] ip6_route_add+0x1c/0x140 [ 5349.384930][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5349.384930][ T73] inet6_addr_add+0x4f8/0xa40 [ 5349.384930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.384930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.384930][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.384930][ T73] netlink_unicast+0x449/0x710 [ 5349.384930][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.384930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.384930][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.384930][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.384930][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.384930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.384930][ T73] [ 5349.386966][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.386966][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.386966][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.386966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.386966][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5349.386966][ T73] ipv6_add_addr+0x411/0x2000 [ 5349.386966][ T73] inet6_addr_add+0x30e/0xa40 [ 5349.386966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.386966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.386966][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.386966][ T73] netlink_unicast+0x449/0x710 [ 5349.386966][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.386966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.386966][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.386966][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.386966][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.386966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.386966][ T73] [ 5349.388982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.388982][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.388982][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.388982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.388982][ T73] ip6_route_add+0x1c/0x140 [ 5349.388982][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5349.388982][ T73] addrconf_add_dev+0xe2/0x170 [ 5349.388982][ T73] inet6_addr_add+0x12f/0xa40 [ 5349.388982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.388982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.388982][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.388982][ T73] netlink_unicast+0x449/0x710 [ 5349.388982][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.388982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.388982][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.388982][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.388982][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.388982][ T73] [ 5349.390957][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.390957][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5349.390957][ T73] ipv6_find_idev+0x102/0x170 [ 5349.390957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.390957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.390957][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.390957][ T73] netlink_unicast+0x449/0x710 [ 5349.390957][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.390957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.390957][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.390957][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.390957][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.390957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.390957][ T73] [ 5349.392508][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5349.392508][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5349.392508][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5349.392508][ T73] ipv6_find_idev+0x102/0x170 [ 5349.392508][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.392508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.392508][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.392508][ T73] netlink_unicast+0x449/0x710 [ 5349.392508][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.392508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.392508][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.392508][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.392508][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.392508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.392508][ T73] [ 5349.394339][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5349.394674][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.394674][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5349.394674][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5349.394674][ T73] fib6_nh_init+0xa22/0x1580 [ 5349.394674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.394674][ T73] ip6_route_add+0x1c/0x140 [ 5349.394674][ T73] inet6_rtm_newroute+0x104/0x110 [ 5349.394674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.394674][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.394674][ T73] netlink_unicast+0x449/0x710 [ 5349.394674][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.394674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.394674][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.394674][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.394674][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.394674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.394674][ T73] [ 5349.396760][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.396760][ T73] dst_init+0x84/0x4a0 [ 5349.396760][ T73] dst_alloc+0x97/0x150 [ 5349.396760][ T73] ip6_dst_alloc+0x23/0x90 [ 5349.396760][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5349.396760][ T73] ip6_pol_route+0x56f/0x840 [ 5349.396760][ T73] fib6_rule_lookup+0x456/0x630 [ 5349.396760][ T73] ip6_route_input+0x59c/0xa50 [ 5349.396760][ T73] ipv6_rcv+0x397/0x810 [ 5349.396760][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5349.396760][ T73] process_backlog+0x101/0x620 [ 5349.396760][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5349.396760][ T73] net_rx_action+0x495/0xbe0 [ 5349.396760][ T73] __do_softirq+0x1b5/0x7f6 [ 5349.396760][ T73] [ 5349.398657][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.398657][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.398657][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.398657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.398657][ T73] ip6_route_add+0x1c/0x140 [ 5349.398657][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5349.398657][ T73] inet6_addr_add+0x4f8/0xa40 [ 5349.398657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.398657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.398657][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.398657][ T73] netlink_unicast+0x449/0x710 [ 5349.398657][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.398657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.398657][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.398657][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.398657][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.398657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.398657][ T73] [ 5349.400931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.400931][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.400931][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.400931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.400931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5349.400931][ T73] ipv6_add_addr+0x411/0x2000 [ 5349.400931][ T73] inet6_addr_add+0x30e/0xa40 [ 5349.400931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.400931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.400931][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.400931][ T73] netlink_unicast+0x449/0x710 [ 5349.400931][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.400931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.400931][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.400931][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.400931][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.400931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.400931][ T73] [ 5349.403194][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.403194][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.403194][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.403194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.403194][ T73] ip6_route_add+0x1c/0x140 [ 5349.403194][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5349.403194][ T73] addrconf_add_dev+0xe2/0x170 [ 5349.403194][ T73] inet6_addr_add+0x12f/0xa40 [ 5349.403194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.403194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.403194][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.403194][ T73] netlink_unicast+0x449/0x710 [ 5349.403194][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.403194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.403194][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.403194][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.403194][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.403194][ T73] [ 5349.405422][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.405422][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5349.405422][ T73] ipv6_find_idev+0x102/0x170 [ 5349.405422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.405422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.405422][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.405422][ T73] netlink_unicast+0x449/0x710 [ 5349.405422][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.405422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.405422][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.405422][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.405422][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.405422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.405422][ T73] [ 5349.407175][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5349.407175][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5349.407175][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5349.407175][ T73] ipv6_find_idev+0x102/0x170 [ 5349.407175][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.407175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.407175][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.407175][ T73] netlink_unicast+0x449/0x710 [ 5349.407175][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.407175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.407175][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.407175][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.407175][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.407175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.407175][ T73] [ 5349.409127][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5349.409401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5349.409401][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.409401][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.409401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.409401][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5349.409401][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5349.409401][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5349.409401][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5349.409401][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5349.409401][ T73] addrconf_dad_begin+0x310/0x670 [ 5349.409401][ T73] addrconf_dad_work+0x10b/0xab0 [ 5349.409401][ T73] process_one_work+0x84d/0x18a0 [ 5349.409401][ T73] worker_thread+0x587/0xd30 [ 5349.409401][ T73] kthread+0x28a/0x350 [ 5349.409401][ T73] ret_from_fork+0x31/0x70 [ 5349.409401][ T73] ret_from_fork_asm+0x1a/0x30 [ 5349.409401][ T73] [ 5349.411588][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5349.411588][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.411588][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.411588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.411588][ T73] ip6_route_add+0x1c/0x140 [ 5349.411588][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5349.411588][ T73] inet6_addr_add+0x4f8/0xa40 [ 5349.411588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.411588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.411588][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.411588][ T73] netlink_unicast+0x449/0x710 [ 5349.411588][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.411588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.411588][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.411588][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.411588][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.411588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.411588][ T73] [ 5349.413862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5349.413862][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.413862][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.413862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.413862][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5349.413862][ T73] ipv6_add_addr+0x411/0x2000 [ 5349.413862][ T73] inet6_addr_add+0x30e/0xa40 [ 5349.413862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.413862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.413862][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.413862][ T73] netlink_unicast+0x449/0x710 [ 5349.413862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.413862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.413862][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.413862][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.413862][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.413862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.413862][ T73] [ 5349.416143][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5349.416143][ T73] netdev_get_by_index+0x5e/0x80 [ 5349.416143][ T73] fib6_nh_init+0x3d8/0x1580 [ 5349.416143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5349.416143][ T73] ip6_route_add+0x1c/0x140 [ 5349.416143][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5349.416143][ T73] addrconf_add_dev+0xe2/0x170 [ 5349.416143][ T73] inet6_addr_add+0x12f/0xa40 [ 5349.416143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.416143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.416143][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.416143][ T73] netlink_unicast+0x449/0x710 [ 5349.416143][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.416143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.416143][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.416143][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.416143][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.416143][ T73] [ 5349.418371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5349.418371][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5349.418371][ T73] ipv6_find_idev+0x102/0x170 [ 5349.418371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.418371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.418371][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.418371][ T73] netlink_unicast+0x449/0x710 [ 5349.418371][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.418371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.418371][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.418371][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.418371][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.418371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.418371][ T73] [ 5349.420111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5349.420111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5349.420111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5349.420111][ T73] ipv6_find_idev+0x102/0x170 [ 5349.420111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.420111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.420111][ T73] netlink_rcv_skb+0x130/0x360 [ 5349.420111][ T73] netlink_unicast+0x449/0x710 [ 5349.420111][ T73] netlink_sendmsg+0x723/0xbe0 [ 5349.420111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5349.420111][ T73] ___sys_sendmsg+0xee/0x170 [ 5349.420111][ T73] __sys_sendmsg+0xcd/0x170 [ 5349.420111][ T73] do_syscall_64+0xc6/0x1e0 [ 5349.420111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.420111][ T73] [ 5359.662882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5359.663320][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.663320][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5359.663320][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5359.663320][ T73] fib6_nh_init+0xa22/0x1580 [ 5359.663320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.663320][ T73] ip6_route_add+0x1c/0x140 [ 5359.663320][ T73] inet6_rtm_newroute+0x104/0x110 [ 5359.663320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.663320][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.663320][ T73] netlink_unicast+0x449/0x710 [ 5359.663320][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.663320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.663320][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.663320][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.663320][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.663320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.663320][ T73] [ 5359.665208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.665208][ T73] dst_init+0x84/0x4a0 [ 5359.665208][ T73] dst_alloc+0x97/0x150 [ 5359.665208][ T73] ip6_dst_alloc+0x23/0x90 [ 5359.665208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5359.665208][ T73] ip6_pol_route+0x56f/0x840 [ 5359.665208][ T73] fib6_rule_lookup+0x456/0x630 [ 5359.665208][ T73] ip6_route_input+0x59c/0xa50 [ 5359.665208][ T73] ipv6_rcv+0x397/0x810 [ 5359.665208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5359.665208][ T73] process_backlog+0x101/0x620 [ 5359.665208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5359.665208][ T73] net_rx_action+0x495/0xbe0 [ 5359.665208][ T73] __do_softirq+0x1b5/0x7f6 [ 5359.665208][ T73] [ 5359.666847][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.666847][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.666847][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.666847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.666847][ T73] ip6_route_add+0x1c/0x140 [ 5359.666847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5359.666847][ T73] inet6_addr_add+0x4f8/0xa40 [ 5359.666847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.666847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.666847][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.666847][ T73] netlink_unicast+0x449/0x710 [ 5359.666847][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.666847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.666847][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.666847][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.666847][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.666847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.666847][ T73] [ 5359.668822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.668822][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.668822][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.668822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.668822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5359.668822][ T73] ipv6_add_addr+0x411/0x2000 [ 5359.668822][ T73] inet6_addr_add+0x30e/0xa40 [ 5359.668822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.668822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.668822][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.668822][ T73] netlink_unicast+0x449/0x710 [ 5359.668822][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.668822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.668822][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.668822][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.668822][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.668822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.668822][ T73] [ 5359.670809][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.670809][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.670809][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.670809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.670809][ T73] ip6_route_add+0x1c/0x140 [ 5359.670809][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5359.670809][ T73] addrconf_add_dev+0xe2/0x170 [ 5359.670809][ T73] inet6_addr_add+0x12f/0xa40 [ 5359.670809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.670809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.670809][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.670809][ T73] netlink_unicast+0x449/0x710 [ 5359.670809][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.670809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.670809][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.670809][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.670809][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.670809][ T73] [ 5359.672752][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.672752][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5359.672752][ T73] ipv6_find_idev+0x102/0x170 [ 5359.672752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.672752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.672752][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.672752][ T73] netlink_unicast+0x449/0x710 [ 5359.672752][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.672752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.672752][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.672752][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.672752][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.672752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.672752][ T73] [ 5359.674284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5359.674284][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5359.674284][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5359.674284][ T73] ipv6_find_idev+0x102/0x170 [ 5359.674284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.674284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.674284][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.674284][ T73] netlink_unicast+0x449/0x710 [ 5359.674284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.674284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.674284][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.674284][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.674284][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.674284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.674284][ T73] [ 5359.675968][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5359.676244][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.676244][ T73] dst_init+0x84/0x4a0 [ 5359.676244][ T73] dst_alloc+0x97/0x150 [ 5359.676244][ T73] ip6_dst_alloc+0x23/0x90 [ 5359.676244][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5359.676244][ T73] ip6_pol_route+0x56f/0x840 [ 5359.676244][ T73] fib6_rule_lookup+0x456/0x630 [ 5359.676244][ T73] ip6_route_input+0x59c/0xa50 [ 5359.676244][ T73] ipv6_rcv+0x397/0x810 [ 5359.676244][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5359.676244][ T73] process_backlog+0x101/0x620 [ 5359.676244][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5359.676244][ T73] net_rx_action+0x495/0xbe0 [ 5359.676244][ T73] __do_softirq+0x1b5/0x7f6 [ 5359.676244][ T73] [ 5359.677881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.677881][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.677881][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.677881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.677881][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5359.677881][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5359.677881][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5359.677881][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5359.677881][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5359.677881][ T73] addrconf_dad_begin+0x310/0x670 [ 5359.677881][ T73] addrconf_dad_work+0x10b/0xab0 [ 5359.677881][ T73] process_one_work+0x84d/0x18a0 [ 5359.677881][ T73] worker_thread+0x587/0xd30 [ 5359.677881][ T73] kthread+0x28a/0x350 [ 5359.677881][ T73] ret_from_fork+0x31/0x70 [ 5359.677881][ T73] ret_from_fork_asm+0x1a/0x30 [ 5359.677881][ T73] [ 5359.679775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.679775][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.679775][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.679775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.679775][ T73] ip6_route_add+0x1c/0x140 [ 5359.679775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5359.679775][ T73] inet6_addr_add+0x4f8/0xa40 [ 5359.679775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.679775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.679775][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.679775][ T73] netlink_unicast+0x449/0x710 [ 5359.679775][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.679775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.679775][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.679775][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.679775][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.679775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.679775][ T73] [ 5359.681754][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.681754][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.681754][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.681754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.681754][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5359.681754][ T73] ipv6_add_addr+0x411/0x2000 [ 5359.681754][ T73] inet6_addr_add+0x30e/0xa40 [ 5359.681754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.681754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.681754][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.681754][ T73] netlink_unicast+0x449/0x710 [ 5359.681754][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.681754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.681754][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.681754][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.681754][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.681754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.681754][ T73] [ 5359.683733][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.683733][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.683733][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.683733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.683733][ T73] ip6_route_add+0x1c/0x140 [ 5359.683733][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5359.683733][ T73] addrconf_add_dev+0xe2/0x170 [ 5359.683733][ T73] inet6_addr_add+0x12f/0xa40 [ 5359.683733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.683733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.683733][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.683733][ T73] netlink_unicast+0x449/0x710 [ 5359.683733][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.683733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.683733][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.683733][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.683733][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.683733][ T73] [ 5359.685798][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.685798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5359.685798][ T73] ipv6_find_idev+0x102/0x170 [ 5359.685798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.685798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.685798][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.685798][ T73] netlink_unicast+0x449/0x710 [ 5359.685798][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.685798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.685798][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.685798][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.685798][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.685798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.685798][ T73] [ 5359.687324][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5359.687324][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5359.687324][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5359.687324][ T73] ipv6_find_idev+0x102/0x170 [ 5359.687324][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.687324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.687324][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.687324][ T73] netlink_unicast+0x449/0x710 [ 5359.687324][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.687324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.687324][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.687324][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.687324][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.687324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.687324][ T73] [ 5359.689146][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5359.689421][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.689421][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5359.689421][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5359.689421][ T73] fib6_nh_init+0xa22/0x1580 [ 5359.689421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.689421][ T73] ip6_route_add+0x1c/0x140 [ 5359.689421][ T73] inet6_rtm_newroute+0x104/0x110 [ 5359.689421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.689421][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.689421][ T73] netlink_unicast+0x449/0x710 [ 5359.689421][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.689421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.689421][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.689421][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.689421][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.689421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.689421][ T73] [ 5359.691519][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.691519][ T73] dst_init+0x84/0x4a0 [ 5359.691519][ T73] dst_alloc+0x97/0x150 [ 5359.691519][ T73] ip6_dst_alloc+0x23/0x90 [ 5359.691519][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5359.691519][ T73] ip6_pol_route+0x56f/0x840 [ 5359.691519][ T73] fib6_rule_lookup+0x456/0x630 [ 5359.691519][ T73] ip6_route_input+0x59c/0xa50 [ 5359.691519][ T73] ipv6_rcv+0x397/0x810 [ 5359.691519][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5359.691519][ T73] process_backlog+0x101/0x620 [ 5359.691519][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5359.691519][ T73] net_rx_action+0x495/0xbe0 [ 5359.691519][ T73] __do_softirq+0x1b5/0x7f6 [ 5359.691519][ T73] [ 5359.693319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.693319][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.693319][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.693319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.693319][ T73] ip6_route_add+0x1c/0x140 [ 5359.693319][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5359.693319][ T73] inet6_addr_add+0x4f8/0xa40 [ 5359.693319][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.693319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.693319][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.693319][ T73] netlink_unicast+0x449/0x710 [ 5359.693319][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.693319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.693319][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.693319][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.693319][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.693319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.693319][ T73] [ 5359.695555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.695555][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.695555][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.695555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.695555][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5359.695555][ T73] ipv6_add_addr+0x411/0x2000 [ 5359.695555][ T73] inet6_addr_add+0x30e/0xa40 [ 5359.695555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.695555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.695555][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.695555][ T73] netlink_unicast+0x449/0x710 [ 5359.695555][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.695555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.695555][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.695555][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.695555][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.695555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.695555][ T73] [ 5359.697863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.697863][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.697863][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.697863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.697863][ T73] ip6_route_add+0x1c/0x140 [ 5359.697863][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5359.697863][ T73] addrconf_add_dev+0xe2/0x170 [ 5359.697863][ T73] inet6_addr_add+0x12f/0xa40 [ 5359.697863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.697863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.697863][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.697863][ T73] netlink_unicast+0x449/0x710 [ 5359.697863][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.697863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.697863][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.697863][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.697863][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.697863][ T73] [ 5359.700088][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.700088][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5359.700088][ T73] ipv6_find_idev+0x102/0x170 [ 5359.700088][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.700088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.700088][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.700088][ T73] netlink_unicast+0x449/0x710 [ 5359.700088][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.700088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.700088][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.700088][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.700088][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.700088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.700088][ T73] [ 5359.701794][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5359.701794][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5359.701794][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5359.701794][ T73] ipv6_find_idev+0x102/0x170 [ 5359.701794][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.701794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.701794][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.701794][ T73] netlink_unicast+0x449/0x710 [ 5359.701794][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.701794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.701794][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.701794][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.701794][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.701794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.701794][ T73] [ 5359.703720][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5359.704434][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5359.704434][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.704434][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.704434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.704434][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5359.704434][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5359.704434][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5359.704434][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5359.704434][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5359.704434][ T73] addrconf_dad_begin+0x310/0x670 [ 5359.704434][ T73] addrconf_dad_work+0x10b/0xab0 [ 5359.704434][ T73] process_one_work+0x84d/0x18a0 [ 5359.704434][ T73] worker_thread+0x587/0xd30 [ 5359.704434][ T73] kthread+0x28a/0x350 [ 5359.704434][ T73] ret_from_fork+0x31/0x70 [ 5359.704434][ T73] ret_from_fork_asm+0x1a/0x30 [ 5359.704434][ T73] [ 5359.706338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5359.706338][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.706338][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.706338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.706338][ T73] ip6_route_add+0x1c/0x140 [ 5359.706338][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5359.706338][ T73] inet6_addr_add+0x4f8/0xa40 [ 5359.706338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.706338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.706338][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.706338][ T73] netlink_unicast+0x449/0x710 [ 5359.706338][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.706338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.706338][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.706338][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.706338][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.706338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.706338][ T73] [ 5359.708434][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5359.708434][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.708434][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.708434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.708434][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5359.708434][ T73] ipv6_add_addr+0x411/0x2000 [ 5359.708434][ T73] inet6_addr_add+0x30e/0xa40 [ 5359.708434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.708434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.708434][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.708434][ T73] netlink_unicast+0x449/0x710 [ 5359.708434][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.708434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.708434][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.708434][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.708434][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.708434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.708434][ T73] [ 5359.710657][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5359.710657][ T73] netdev_get_by_index+0x5e/0x80 [ 5359.710657][ T73] fib6_nh_init+0x3d8/0x1580 [ 5359.710657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5359.710657][ T73] ip6_route_add+0x1c/0x140 [ 5359.710657][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5359.710657][ T73] addrconf_add_dev+0xe2/0x170 [ 5359.710657][ T73] inet6_addr_add+0x12f/0xa40 [ 5359.710657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.710657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.710657][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.710657][ T73] netlink_unicast+0x449/0x710 [ 5359.710657][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.710657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.710657][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.710657][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.710657][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.710657][ T73] [ 5359.712842][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5359.712842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5359.712842][ T73] ipv6_find_idev+0x102/0x170 [ 5359.712842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.712842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.712842][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.712842][ T73] netlink_unicast+0x449/0x710 [ 5359.712842][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.712842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.712842][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.712842][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.712842][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.712842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.712842][ T73] [ 5359.714563][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5359.714563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5359.714563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5359.714563][ T73] ipv6_find_idev+0x102/0x170 [ 5359.714563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.714563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.714563][ T73] netlink_rcv_skb+0x130/0x360 [ 5359.714563][ T73] netlink_unicast+0x449/0x710 [ 5359.714563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5359.714563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5359.714563][ T73] ___sys_sendmsg+0xee/0x170 [ 5359.714563][ T73] __sys_sendmsg+0xcd/0x170 [ 5359.714563][ T73] do_syscall_64+0xc6/0x1e0 [ 5359.714563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.714563][ T73] [ 5369.886910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5369.887348][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.887348][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5369.887348][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5369.887348][ T73] fib6_nh_init+0xa22/0x1580 [ 5369.887348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.887348][ T73] ip6_route_add+0x1c/0x140 [ 5369.887348][ T73] inet6_rtm_newroute+0x104/0x110 [ 5369.887348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.887348][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.887348][ T73] netlink_unicast+0x449/0x710 [ 5369.887348][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.887348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.887348][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.887348][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.887348][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.887348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.887348][ T73] [ 5369.889240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.889240][ T73] dst_init+0x84/0x4a0 [ 5369.889240][ T73] dst_alloc+0x97/0x150 [ 5369.889240][ T73] ip6_dst_alloc+0x23/0x90 [ 5369.889240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5369.889240][ T73] ip6_pol_route+0x56f/0x840 [ 5369.889240][ T73] fib6_rule_lookup+0x456/0x630 [ 5369.889240][ T73] ip6_route_input+0x59c/0xa50 [ 5369.889240][ T73] ipv6_rcv+0x397/0x810 [ 5369.889240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5369.889240][ T73] process_backlog+0x101/0x620 [ 5369.889240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5369.889240][ T73] net_rx_action+0x495/0xbe0 [ 5369.889240][ T73] __do_softirq+0x1b5/0x7f6 [ 5369.889240][ T73] [ 5369.890876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.890876][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.890876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.890876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.890876][ T73] ip6_route_add+0x1c/0x140 [ 5369.890876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5369.890876][ T73] inet6_addr_add+0x4f8/0xa40 [ 5369.890876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.890876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.890876][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.890876][ T73] netlink_unicast+0x449/0x710 [ 5369.890876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.890876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.890876][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.890876][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.890876][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.890876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.890876][ T73] [ 5369.892886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.892886][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.892886][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.892886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.892886][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5369.892886][ T73] ipv6_add_addr+0x411/0x2000 [ 5369.892886][ T73] inet6_addr_add+0x30e/0xa40 [ 5369.892886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.892886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.892886][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.892886][ T73] netlink_unicast+0x449/0x710 [ 5369.892886][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.892886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.892886][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.892886][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.892886][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.892886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.892886][ T73] [ 5369.894883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.894883][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.894883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.894883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.894883][ T73] ip6_route_add+0x1c/0x140 [ 5369.894883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5369.894883][ T73] addrconf_add_dev+0xe2/0x170 [ 5369.894883][ T73] inet6_addr_add+0x12f/0xa40 [ 5369.894883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.894883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.894883][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.894883][ T73] netlink_unicast+0x449/0x710 [ 5369.894883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.894883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.894883][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.894883][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.894883][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.894883][ T73] [ 5369.896854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.896854][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5369.896854][ T73] ipv6_find_idev+0x102/0x170 [ 5369.896854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.896854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.896854][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.896854][ T73] netlink_unicast+0x449/0x710 [ 5369.896854][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.896854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.896854][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.896854][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.896854][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.896854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.896854][ T73] [ 5369.898385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5369.898385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5369.898385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5369.898385][ T73] ipv6_find_idev+0x102/0x170 [ 5369.898385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.898385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.898385][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.898385][ T73] netlink_unicast+0x449/0x710 [ 5369.898385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.898385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.898385][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.898385][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.898385][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.898385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.898385][ T73] [ 5369.900062][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5369.900333][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.900333][ T73] dst_init+0x84/0x4a0 [ 5369.900333][ T73] dst_alloc+0x97/0x150 [ 5369.900333][ T73] ip6_dst_alloc+0x23/0x90 [ 5369.900333][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5369.900333][ T73] ip6_pol_route+0x56f/0x840 [ 5369.900333][ T73] fib6_rule_lookup+0x456/0x630 [ 5369.900333][ T73] ip6_route_input+0x59c/0xa50 [ 5369.900333][ T73] ipv6_rcv+0x397/0x810 [ 5369.900333][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5369.900333][ T73] process_backlog+0x101/0x620 [ 5369.900333][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5369.900333][ T73] net_rx_action+0x495/0xbe0 [ 5369.900333][ T73] __do_softirq+0x1b5/0x7f6 [ 5369.900333][ T73] [ 5369.901975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.901975][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.901975][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.901975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.901975][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5369.901975][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5369.901975][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5369.901975][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5369.901975][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5369.901975][ T73] addrconf_dad_begin+0x310/0x670 [ 5369.901975][ T73] addrconf_dad_work+0x10b/0xab0 [ 5369.901975][ T73] process_one_work+0x84d/0x18a0 [ 5369.901975][ T73] worker_thread+0x587/0xd30 [ 5369.901975][ T73] kthread+0x28a/0x350 [ 5369.901975][ T73] ret_from_fork+0x31/0x70 [ 5369.901975][ T73] ret_from_fork_asm+0x1a/0x30 [ 5369.901975][ T73] [ 5369.903882][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.903882][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.903882][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.903882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.903882][ T73] ip6_route_add+0x1c/0x140 [ 5369.903882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5369.903882][ T73] inet6_addr_add+0x4f8/0xa40 [ 5369.903882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.903882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.903882][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.903882][ T73] netlink_unicast+0x449/0x710 [ 5369.903882][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.903882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.903882][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.903882][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.903882][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.903882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.903882][ T73] [ 5369.905885][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.905885][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.905885][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.905885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.905885][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5369.905885][ T73] ipv6_add_addr+0x411/0x2000 [ 5369.905885][ T73] inet6_addr_add+0x30e/0xa40 [ 5369.905885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.905885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.905885][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.905885][ T73] netlink_unicast+0x449/0x710 [ 5369.905885][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.905885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.905885][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.905885][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.905885][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.905885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.905885][ T73] [ 5369.907876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.907876][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.907876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.907876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.907876][ T73] ip6_route_add+0x1c/0x140 [ 5369.907876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5369.907876][ T73] addrconf_add_dev+0xe2/0x170 [ 5369.907876][ T73] inet6_addr_add+0x12f/0xa40 [ 5369.907876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.907876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.907876][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.907876][ T73] netlink_unicast+0x449/0x710 [ 5369.907876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.907876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.907876][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.907876][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.907876][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.907876][ T73] [ 5369.910351][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.910351][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5369.910351][ T73] ipv6_find_idev+0x102/0x170 [ 5369.910351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.910351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.910351][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.910351][ T73] netlink_unicast+0x449/0x710 [ 5369.910351][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.910351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.910351][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.910351][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.910351][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.910351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.910351][ T73] [ 5369.911880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5369.911880][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5369.911880][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5369.911880][ T73] ipv6_find_idev+0x102/0x170 [ 5369.911880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.911880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.911880][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.911880][ T73] netlink_unicast+0x449/0x710 [ 5369.911880][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.911880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.911880][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.911880][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.911880][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.911880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.911880][ T73] [ 5369.913665][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5369.914008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.914008][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5369.914008][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5369.914008][ T73] fib6_nh_init+0xa22/0x1580 [ 5369.914008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.914008][ T73] ip6_route_add+0x1c/0x140 [ 5369.914008][ T73] inet6_rtm_newroute+0x104/0x110 [ 5369.914008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.914008][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.914008][ T73] netlink_unicast+0x449/0x710 [ 5369.914008][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.914008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.914008][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.914008][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.914008][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.914008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.914008][ T73] [ 5369.916465][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.916465][ T73] dst_init+0x84/0x4a0 [ 5369.916465][ T73] dst_alloc+0x97/0x150 [ 5369.916465][ T73] ip6_dst_alloc+0x23/0x90 [ 5369.916465][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5369.916465][ T73] ip6_pol_route+0x56f/0x840 [ 5369.916465][ T73] fib6_rule_lookup+0x456/0x630 [ 5369.916465][ T73] ip6_route_input+0x59c/0xa50 [ 5369.916465][ T73] ipv6_rcv+0x397/0x810 [ 5369.916465][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5369.916465][ T73] process_backlog+0x101/0x620 [ 5369.916465][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5369.916465][ T73] net_rx_action+0x495/0xbe0 [ 5369.916465][ T73] __do_softirq+0x1b5/0x7f6 [ 5369.916465][ T73] [ 5369.918272][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.918272][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.918272][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.918272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.918272][ T73] ip6_route_add+0x1c/0x140 [ 5369.918272][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5369.918272][ T73] inet6_addr_add+0x4f8/0xa40 [ 5369.918272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.918272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.918272][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.918272][ T73] netlink_unicast+0x449/0x710 [ 5369.918272][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.918272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.918272][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.918272][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.918272][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.918272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.918272][ T73] [ 5369.920562][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.920562][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.920562][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.920562][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.920562][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5369.920562][ T73] ipv6_add_addr+0x411/0x2000 [ 5369.920562][ T73] inet6_addr_add+0x30e/0xa40 [ 5369.920562][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.920562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.920562][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.920562][ T73] netlink_unicast+0x449/0x710 [ 5369.920562][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.920562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.920562][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.920562][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.920562][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.920562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.920562][ T73] [ 5369.922791][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.922791][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.922791][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.922791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.922791][ T73] ip6_route_add+0x1c/0x140 [ 5369.922791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5369.922791][ T73] addrconf_add_dev+0xe2/0x170 [ 5369.922791][ T73] inet6_addr_add+0x12f/0xa40 [ 5369.922791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.922791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.922791][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.922791][ T73] netlink_unicast+0x449/0x710 [ 5369.922791][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.922791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.922791][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.922791][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.922791][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.922791][ T73] [ 5369.924987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.924987][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5369.924987][ T73] ipv6_find_idev+0x102/0x170 [ 5369.924987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.924987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.924987][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.924987][ T73] netlink_unicast+0x449/0x710 [ 5369.924987][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.924987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.924987][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.924987][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.924987][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.924987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.924987][ T73] [ 5369.926705][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5369.926705][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5369.926705][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5369.926705][ T73] ipv6_find_idev+0x102/0x170 [ 5369.926705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.926705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.926705][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.926705][ T73] netlink_unicast+0x449/0x710 [ 5369.926705][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.926705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.926705][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.926705][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.926705][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.926705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.926705][ T73] [ 5369.928631][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5369.928906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5369.928906][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.928906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.928906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.928906][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5369.928906][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5369.928906][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5369.928906][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5369.928906][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5369.928906][ T73] addrconf_dad_begin+0x310/0x670 [ 5369.928906][ T73] addrconf_dad_work+0x10b/0xab0 [ 5369.928906][ T73] process_one_work+0x84d/0x18a0 [ 5369.928906][ T73] worker_thread+0x587/0xd30 [ 5369.928906][ T73] kthread+0x28a/0x350 [ 5369.928906][ T73] ret_from_fork+0x31/0x70 [ 5369.928906][ T73] ret_from_fork_asm+0x1a/0x30 [ 5369.928906][ T73] [ 5369.931051][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5369.931051][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.931051][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.931051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.931051][ T73] ip6_route_add+0x1c/0x140 [ 5369.931051][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5369.931051][ T73] inet6_addr_add+0x4f8/0xa40 [ 5369.931051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.931051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.931051][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.931051][ T73] netlink_unicast+0x449/0x710 [ 5369.931051][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.931051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.931051][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.931051][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.931051][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.931051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.931051][ T73] [ 5369.933282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5369.933282][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.933282][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.933282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.933282][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5369.933282][ T73] ipv6_add_addr+0x411/0x2000 [ 5369.933282][ T73] inet6_addr_add+0x30e/0xa40 [ 5369.933282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.933282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.933282][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.933282][ T73] netlink_unicast+0x449/0x710 [ 5369.933282][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.933282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.933282][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.933282][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.933282][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.933282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.933282][ T73] [ 5369.935515][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5369.935515][ T73] netdev_get_by_index+0x5e/0x80 [ 5369.935515][ T73] fib6_nh_init+0x3d8/0x1580 [ 5369.935515][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5369.935515][ T73] ip6_route_add+0x1c/0x140 [ 5369.935515][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5369.935515][ T73] addrconf_add_dev+0xe2/0x170 [ 5369.935515][ T73] inet6_addr_add+0x12f/0xa40 [ 5369.935515][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.935515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.935515][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.935515][ T73] netlink_unicast+0x449/0x710 [ 5369.935515][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.935515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.935515][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.935515][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.935515][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.935515][ T73] [ 5369.937717][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5369.937717][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5369.937717][ T73] ipv6_find_idev+0x102/0x170 [ 5369.937717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.937717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.937717][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.937717][ T73] netlink_unicast+0x449/0x710 [ 5369.937717][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.937717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.937717][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.937717][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.937717][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.937717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.937717][ T73] [ 5369.939436][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5369.939436][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5369.939436][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5369.939436][ T73] ipv6_find_idev+0x102/0x170 [ 5369.939436][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.939436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.939436][ T73] netlink_rcv_skb+0x130/0x360 [ 5369.939436][ T73] netlink_unicast+0x449/0x710 [ 5369.939436][ T73] netlink_sendmsg+0x723/0xbe0 [ 5369.939436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5369.939436][ T73] ___sys_sendmsg+0xee/0x170 [ 5369.939436][ T73] __sys_sendmsg+0xcd/0x170 [ 5369.939436][ T73] do_syscall_64+0xc6/0x1e0 [ 5369.939436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.939436][ T73] [ 5380.182902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5380.183335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.183335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5380.183335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5380.183335][ T73] fib6_nh_init+0xa22/0x1580 [ 5380.183335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.183335][ T73] ip6_route_add+0x1c/0x140 [ 5380.183335][ T73] inet6_rtm_newroute+0x104/0x110 [ 5380.183335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.183335][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.183335][ T73] netlink_unicast+0x449/0x710 [ 5380.183335][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.183335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.183335][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.183335][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.183335][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.183335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.183335][ T73] [ 5380.185214][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.185214][ T73] dst_init+0x84/0x4a0 [ 5380.185214][ T73] dst_alloc+0x97/0x150 [ 5380.185214][ T73] ip6_dst_alloc+0x23/0x90 [ 5380.185214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5380.185214][ T73] ip6_pol_route+0x56f/0x840 [ 5380.185214][ T73] fib6_rule_lookup+0x456/0x630 [ 5380.185214][ T73] ip6_route_input+0x59c/0xa50 [ 5380.185214][ T73] ipv6_rcv+0x397/0x810 [ 5380.185214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5380.185214][ T73] process_backlog+0x101/0x620 [ 5380.185214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5380.185214][ T73] net_rx_action+0x495/0xbe0 [ 5380.185214][ T73] __do_softirq+0x1b5/0x7f6 [ 5380.185214][ T73] [ 5380.186852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.186852][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.186852][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.186852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.186852][ T73] ip6_route_add+0x1c/0x140 [ 5380.186852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5380.186852][ T73] inet6_addr_add+0x4f8/0xa40 [ 5380.186852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.186852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.186852][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.186852][ T73] netlink_unicast+0x449/0x710 [ 5380.186852][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.186852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.186852][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.186852][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.186852][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.186852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.186852][ T73] [ 5380.188940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.188940][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.188940][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.188940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.188940][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5380.188940][ T73] ipv6_add_addr+0x411/0x2000 [ 5380.188940][ T73] inet6_addr_add+0x30e/0xa40 [ 5380.188940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.188940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.188940][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.188940][ T73] netlink_unicast+0x449/0x710 [ 5380.188940][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.188940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.188940][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.188940][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.188940][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.188940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.188940][ T73] [ 5380.190928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.190928][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.190928][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.190928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.190928][ T73] ip6_route_add+0x1c/0x140 [ 5380.190928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5380.190928][ T73] addrconf_add_dev+0xe2/0x170 [ 5380.190928][ T73] inet6_addr_add+0x12f/0xa40 [ 5380.190928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.190928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.190928][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.190928][ T73] netlink_unicast+0x449/0x710 [ 5380.190928][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.190928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.190928][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.190928][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.190928][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.190928][ T73] [ 5380.192878][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.192878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5380.192878][ T73] ipv6_find_idev+0x102/0x170 [ 5380.192878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.192878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.192878][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.192878][ T73] netlink_unicast+0x449/0x710 [ 5380.192878][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.192878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.192878][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.192878][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.192878][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.192878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.192878][ T73] [ 5380.194409][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5380.194409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5380.194409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5380.194409][ T73] ipv6_find_idev+0x102/0x170 [ 5380.194409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.194409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.194409][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.194409][ T73] netlink_unicast+0x449/0x710 [ 5380.194409][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.194409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.194409][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.194409][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.194409][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.194409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.194409][ T73] [ 5380.196488][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5380.196768][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.196768][ T73] dst_init+0x84/0x4a0 [ 5380.196768][ T73] dst_alloc+0x97/0x150 [ 5380.196768][ T73] ip6_dst_alloc+0x23/0x90 [ 5380.196768][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5380.196768][ T73] ip6_pol_route+0x56f/0x840 [ 5380.196768][ T73] fib6_rule_lookup+0x456/0x630 [ 5380.196768][ T73] ip6_route_input+0x59c/0xa50 [ 5380.196768][ T73] ipv6_rcv+0x397/0x810 [ 5380.196768][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5380.196768][ T73] process_backlog+0x101/0x620 [ 5380.196768][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5380.196768][ T73] net_rx_action+0x495/0xbe0 [ 5380.196768][ T73] __do_softirq+0x1b5/0x7f6 [ 5380.196768][ T73] [ 5380.198401][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.198401][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.198401][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.198401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.198401][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5380.198401][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5380.198401][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5380.198401][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5380.198401][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5380.198401][ T73] addrconf_dad_begin+0x310/0x670 [ 5380.198401][ T73] addrconf_dad_work+0x10b/0xab0 [ 5380.198401][ T73] process_one_work+0x84d/0x18a0 [ 5380.198401][ T73] worker_thread+0x587/0xd30 [ 5380.198401][ T73] kthread+0x28a/0x350 [ 5380.198401][ T73] ret_from_fork+0x31/0x70 [ 5380.198401][ T73] ret_from_fork_asm+0x1a/0x30 [ 5380.198401][ T73] [ 5380.200285][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.200285][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.200285][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.200285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.200285][ T73] ip6_route_add+0x1c/0x140 [ 5380.200285][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5380.200285][ T73] inet6_addr_add+0x4f8/0xa40 [ 5380.200285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.200285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.200285][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.200285][ T73] netlink_unicast+0x449/0x710 [ 5380.200285][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.200285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.200285][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.200285][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.200285][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.200285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.200285][ T73] [ 5380.202266][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.202266][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.202266][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.202266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.202266][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5380.202266][ T73] ipv6_add_addr+0x411/0x2000 [ 5380.202266][ T73] inet6_addr_add+0x30e/0xa40 [ 5380.202266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.202266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.202266][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.202266][ T73] netlink_unicast+0x449/0x710 [ 5380.202266][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.202266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.202266][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.202266][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.202266][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.202266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.202266][ T73] [ 5380.204243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.204243][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.204243][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.204243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.204243][ T73] ip6_route_add+0x1c/0x140 [ 5380.204243][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5380.204243][ T73] addrconf_add_dev+0xe2/0x170 [ 5380.204243][ T73] inet6_addr_add+0x12f/0xa40 [ 5380.204243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.204243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.204243][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.204243][ T73] netlink_unicast+0x449/0x710 [ 5380.204243][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.204243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.204243][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.204243][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.204243][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.204243][ T73] [ 5380.206203][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.206203][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5380.206203][ T73] ipv6_find_idev+0x102/0x170 [ 5380.206203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.206203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.206203][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.206203][ T73] netlink_unicast+0x449/0x710 [ 5380.206203][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.206203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.206203][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.206203][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.206203][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.206203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.206203][ T73] [ 5380.207725][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5380.207725][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5380.207725][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5380.207725][ T73] ipv6_find_idev+0x102/0x170 [ 5380.207725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.207725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.207725][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.207725][ T73] netlink_unicast+0x449/0x710 [ 5380.207725][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.207725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.207725][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.207725][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.207725][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.207725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.207725][ T73] [ 5380.209519][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5380.209793][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.209793][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5380.209793][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5380.209793][ T73] fib6_nh_init+0xa22/0x1580 [ 5380.209793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.209793][ T73] ip6_route_add+0x1c/0x140 [ 5380.209793][ T73] inet6_rtm_newroute+0x104/0x110 [ 5380.209793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.209793][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.209793][ T73] netlink_unicast+0x449/0x710 [ 5380.209793][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.209793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.209793][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.209793][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.209793][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.209793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.209793][ T73] [ 5380.211889][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.211889][ T73] dst_init+0x84/0x4a0 [ 5380.211889][ T73] dst_alloc+0x97/0x150 [ 5380.211889][ T73] ip6_dst_alloc+0x23/0x90 [ 5380.211889][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5380.211889][ T73] ip6_pol_route+0x56f/0x840 [ 5380.211889][ T73] fib6_rule_lookup+0x456/0x630 [ 5380.211889][ T73] ip6_route_input+0x59c/0xa50 [ 5380.211889][ T73] ipv6_rcv+0x397/0x810 [ 5380.211889][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5380.211889][ T73] process_backlog+0x101/0x620 [ 5380.211889][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5380.211889][ T73] net_rx_action+0x495/0xbe0 [ 5380.211889][ T73] __do_softirq+0x1b5/0x7f6 [ 5380.211889][ T73] [ 5380.213687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.213687][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.213687][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.213687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.213687][ T73] ip6_route_add+0x1c/0x140 [ 5380.213687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5380.213687][ T73] inet6_addr_add+0x4f8/0xa40 [ 5380.213687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.213687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.213687][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.213687][ T73] netlink_unicast+0x449/0x710 [ 5380.213687][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.213687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.213687][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.213687][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.213687][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.213687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.213687][ T73] [ 5380.215908][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.215908][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.215908][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.215908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.215908][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5380.215908][ T73] ipv6_add_addr+0x411/0x2000 [ 5380.215908][ T73] inet6_addr_add+0x30e/0xa40 [ 5380.215908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.215908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.215908][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.215908][ T73] netlink_unicast+0x449/0x710 [ 5380.215908][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.215908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.215908][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.215908][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.215908][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.215908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.215908][ T73] [ 5380.218189][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.218189][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.218189][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.218189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.218189][ T73] ip6_route_add+0x1c/0x140 [ 5380.218189][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5380.218189][ T73] addrconf_add_dev+0xe2/0x170 [ 5380.218189][ T73] inet6_addr_add+0x12f/0xa40 [ 5380.218189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.218189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.218189][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.218189][ T73] netlink_unicast+0x449/0x710 [ 5380.218189][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.218189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.218189][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.218189][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.218189][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.218189][ T73] [ 5380.220320][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.220320][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5380.220320][ T73] ipv6_find_idev+0x102/0x170 [ 5380.220320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.220320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.220320][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.220320][ T73] netlink_unicast+0x449/0x710 [ 5380.220320][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.220320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.220320][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.220320][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.220320][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.220320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.220320][ T73] [ 5380.222019][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5380.222019][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5380.222019][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5380.222019][ T73] ipv6_find_idev+0x102/0x170 [ 5380.222019][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.222019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.222019][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.222019][ T73] netlink_unicast+0x449/0x710 [ 5380.222019][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.222019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.222019][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.222019][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.222019][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.222019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.222019][ T73] [ 5380.223920][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5380.224183][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5380.224183][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.224183][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.224183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.224183][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5380.224183][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5380.224183][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5380.224183][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5380.224183][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5380.224183][ T73] addrconf_dad_begin+0x310/0x670 [ 5380.224183][ T73] addrconf_dad_work+0x10b/0xab0 [ 5380.224183][ T73] process_one_work+0x84d/0x18a0 [ 5380.224183][ T73] worker_thread+0x587/0xd30 [ 5380.224183][ T73] kthread+0x28a/0x350 [ 5380.224183][ T73] ret_from_fork+0x31/0x70 [ 5380.224183][ T73] ret_from_fork_asm+0x1a/0x30 [ 5380.224183][ T73] [ 5380.226332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5380.226332][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.226332][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.226332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.226332][ T73] ip6_route_add+0x1c/0x140 [ 5380.226332][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5380.226332][ T73] inet6_addr_add+0x4f8/0xa40 [ 5380.226332][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.226332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.226332][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.226332][ T73] netlink_unicast+0x449/0x710 [ 5380.226332][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.226332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.226332][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.226332][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.226332][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.226332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.226332][ T73] [ 5380.228616][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5380.228616][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.228616][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.228616][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.228616][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5380.228616][ T73] ipv6_add_addr+0x411/0x2000 [ 5380.228616][ T73] inet6_addr_add+0x30e/0xa40 [ 5380.228616][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.228616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.228616][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.228616][ T73] netlink_unicast+0x449/0x710 [ 5380.228616][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.228616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.228616][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.228616][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.228616][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.228616][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.228616][ T73] [ 5380.230775][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5380.230775][ T73] netdev_get_by_index+0x5e/0x80 [ 5380.230775][ T73] fib6_nh_init+0x3d8/0x1580 [ 5380.230775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5380.230775][ T73] ip6_route_add+0x1c/0x140 [ 5380.230775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5380.230775][ T73] addrconf_add_dev+0xe2/0x170 [ 5380.230775][ T73] inet6_addr_add+0x12f/0xa40 [ 5380.230775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.230775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.230775][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.230775][ T73] netlink_unicast+0x449/0x710 [ 5380.230775][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.230775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.230775][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.230775][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.230775][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.230775][ T73] [ 5380.232962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5380.232962][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5380.232962][ T73] ipv6_find_idev+0x102/0x170 [ 5380.232962][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.232962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.232962][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.232962][ T73] netlink_unicast+0x449/0x710 [ 5380.232962][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.232962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.232962][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.232962][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.232962][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.232962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.232962][ T73] [ 5380.234672][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5380.234672][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5380.234672][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5380.234672][ T73] ipv6_find_idev+0x102/0x170 [ 5380.234672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.234672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.234672][ T73] netlink_rcv_skb+0x130/0x360 [ 5380.234672][ T73] netlink_unicast+0x449/0x710 [ 5380.234672][ T73] netlink_sendmsg+0x723/0xbe0 [ 5380.234672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5380.234672][ T73] ___sys_sendmsg+0xee/0x170 [ 5380.234672][ T73] __sys_sendmsg+0xcd/0x170 [ 5380.234672][ T73] do_syscall_64+0xc6/0x1e0 [ 5380.234672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.234672][ T73] [ 5390.478903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5390.479299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.479299][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5390.479299][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5390.479299][ T73] fib6_nh_init+0xa22/0x1580 [ 5390.479299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.479299][ T73] ip6_route_add+0x1c/0x140 [ 5390.479299][ T73] inet6_rtm_newroute+0x104/0x110 [ 5390.479299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.479299][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.479299][ T73] netlink_unicast+0x449/0x710 [ 5390.479299][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.479299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.479299][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.479299][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.479299][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.479299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.479299][ T73] [ 5390.481272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.481272][ T73] dst_init+0x84/0x4a0 [ 5390.481272][ T73] dst_alloc+0x97/0x150 [ 5390.481272][ T73] ip6_dst_alloc+0x23/0x90 [ 5390.481272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5390.481272][ T73] ip6_pol_route+0x56f/0x840 [ 5390.481272][ T73] fib6_rule_lookup+0x456/0x630 [ 5390.481272][ T73] ip6_route_input+0x59c/0xa50 [ 5390.481272][ T73] ipv6_rcv+0x397/0x810 [ 5390.481272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5390.481272][ T73] process_backlog+0x101/0x620 [ 5390.481272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5390.481272][ T73] net_rx_action+0x495/0xbe0 [ 5390.481272][ T73] __do_softirq+0x1b5/0x7f6 [ 5390.481272][ T73] [ 5390.482904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.482904][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.482904][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.482904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.482904][ T73] ip6_route_add+0x1c/0x140 [ 5390.482904][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5390.482904][ T73] inet6_addr_add+0x4f8/0xa40 [ 5390.482904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.482904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.482904][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.482904][ T73] netlink_unicast+0x449/0x710 [ 5390.482904][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.482904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.482904][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.482904][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.482904][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.482904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.482904][ T73] [ 5390.484891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.484891][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.484891][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.484891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.484891][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5390.484891][ T73] ipv6_add_addr+0x411/0x2000 [ 5390.484891][ T73] inet6_addr_add+0x30e/0xa40 [ 5390.484891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.484891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.484891][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.484891][ T73] netlink_unicast+0x449/0x710 [ 5390.484891][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.484891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.484891][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.484891][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.484891][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.484891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.484891][ T73] [ 5390.486885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.486885][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.486885][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.486885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.486885][ T73] ip6_route_add+0x1c/0x140 [ 5390.486885][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5390.486885][ T73] addrconf_add_dev+0xe2/0x170 [ 5390.486885][ T73] inet6_addr_add+0x12f/0xa40 [ 5390.486885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.486885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.486885][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.486885][ T73] netlink_unicast+0x449/0x710 [ 5390.486885][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.486885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.486885][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.486885][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.486885][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.486885][ T73] [ 5390.488854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.488854][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5390.488854][ T73] ipv6_find_idev+0x102/0x170 [ 5390.488854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.488854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.488854][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.488854][ T73] netlink_unicast+0x449/0x710 [ 5390.488854][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.488854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.488854][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.488854][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.488854][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.488854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.488854][ T73] [ 5390.490385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5390.490385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5390.490385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5390.490385][ T73] ipv6_find_idev+0x102/0x170 [ 5390.490385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.490385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.490385][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.490385][ T73] netlink_unicast+0x449/0x710 [ 5390.490385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.490385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.490385][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.490385][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.490385][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.490385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.490385][ T73] [ 5390.492075][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5390.492356][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.492356][ T73] dst_init+0x84/0x4a0 [ 5390.492356][ T73] dst_alloc+0x97/0x150 [ 5390.492356][ T73] ip6_dst_alloc+0x23/0x90 [ 5390.492356][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5390.492356][ T73] ip6_pol_route+0x56f/0x840 [ 5390.492356][ T73] fib6_rule_lookup+0x456/0x630 [ 5390.492356][ T73] ip6_route_input+0x59c/0xa50 [ 5390.492356][ T73] ipv6_rcv+0x397/0x810 [ 5390.492356][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5390.492356][ T73] process_backlog+0x101/0x620 [ 5390.492356][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5390.492356][ T73] net_rx_action+0x495/0xbe0 [ 5390.492356][ T73] __do_softirq+0x1b5/0x7f6 [ 5390.492356][ T73] [ 5390.494017][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.494017][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.494017][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.494017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.494017][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5390.494017][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5390.494017][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5390.494017][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5390.494017][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5390.494017][ T73] addrconf_dad_begin+0x310/0x670 [ 5390.494017][ T73] addrconf_dad_work+0x10b/0xab0 [ 5390.494017][ T73] process_one_work+0x84d/0x18a0 [ 5390.494017][ T73] worker_thread+0x587/0xd30 [ 5390.494017][ T73] kthread+0x28a/0x350 [ 5390.494017][ T73] ret_from_fork+0x31/0x70 [ 5390.494017][ T73] ret_from_fork_asm+0x1a/0x30 [ 5390.494017][ T73] [ 5390.495950][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.495950][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.495950][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.495950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.495950][ T73] ip6_route_add+0x1c/0x140 [ 5390.495950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5390.495950][ T73] inet6_addr_add+0x4f8/0xa40 [ 5390.495950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.495950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.495950][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.495950][ T73] netlink_unicast+0x449/0x710 [ 5390.495950][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.495950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.495950][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.495950][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.495950][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.495950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.495950][ T73] [ 5390.497970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.497970][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.497970][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.497970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.497970][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5390.497970][ T73] ipv6_add_addr+0x411/0x2000 [ 5390.497970][ T73] inet6_addr_add+0x30e/0xa40 [ 5390.497970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.497970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.497970][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.497970][ T73] netlink_unicast+0x449/0x710 [ 5390.497970][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.497970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.497970][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.497970][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.497970][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.497970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.497970][ T73] [ 5390.499985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.499985][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.499985][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.499985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.499985][ T73] ip6_route_add+0x1c/0x140 [ 5390.499985][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5390.499985][ T73] addrconf_add_dev+0xe2/0x170 [ 5390.499985][ T73] inet6_addr_add+0x12f/0xa40 [ 5390.499985][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.499985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.499985][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.499985][ T73] netlink_unicast+0x449/0x710 [ 5390.499985][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.499985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.499985][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.499985][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.499985][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.499985][ T73] [ 5390.501951][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.501951][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5390.501951][ T73] ipv6_find_idev+0x102/0x170 [ 5390.501951][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.501951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.501951][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.501951][ T73] netlink_unicast+0x449/0x710 [ 5390.501951][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.501951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.501951][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.501951][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.501951][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.501951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.501951][ T73] [ 5390.503481][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5390.503481][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5390.503481][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5390.503481][ T73] ipv6_find_idev+0x102/0x170 [ 5390.503481][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.503481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.503481][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.503481][ T73] netlink_unicast+0x449/0x710 [ 5390.503481][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.503481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.503481][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.503481][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.503481][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.503481][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.503481][ T73] [ 5390.505248][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5390.505515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.505515][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5390.505515][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5390.505515][ T73] fib6_nh_init+0xa22/0x1580 [ 5390.505515][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.505515][ T73] ip6_route_add+0x1c/0x140 [ 5390.505515][ T73] inet6_rtm_newroute+0x104/0x110 [ 5390.505515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.505515][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.505515][ T73] netlink_unicast+0x449/0x710 [ 5390.505515][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.505515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.505515][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.505515][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.505515][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.505515][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.505515][ T73] [ 5390.507524][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.507524][ T73] dst_init+0x84/0x4a0 [ 5390.507524][ T73] dst_alloc+0x97/0x150 [ 5390.507524][ T73] ip6_dst_alloc+0x23/0x90 [ 5390.507524][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5390.507524][ T73] ip6_pol_route+0x56f/0x840 [ 5390.507524][ T73] fib6_rule_lookup+0x456/0x630 [ 5390.507524][ T73] ip6_route_input+0x59c/0xa50 [ 5390.507524][ T73] ipv6_rcv+0x397/0x810 [ 5390.507524][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5390.507524][ T73] process_backlog+0x101/0x620 [ 5390.507524][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5390.507524][ T73] net_rx_action+0x495/0xbe0 [ 5390.507524][ T73] __do_softirq+0x1b5/0x7f6 [ 5390.507524][ T73] [ 5390.509214][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.509214][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.509214][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.509214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.509214][ T73] ip6_route_add+0x1c/0x140 [ 5390.509214][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5390.509214][ T73] inet6_addr_add+0x4f8/0xa40 [ 5390.509214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.509214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.509214][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.509214][ T73] netlink_unicast+0x449/0x710 [ 5390.509214][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.509214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.509214][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.509214][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.509214][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.509214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.509214][ T73] [ 5390.511381][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.511381][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.511381][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.511381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.511381][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5390.511381][ T73] ipv6_add_addr+0x411/0x2000 [ 5390.511381][ T73] inet6_addr_add+0x30e/0xa40 [ 5390.511381][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.511381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.511381][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.511381][ T73] netlink_unicast+0x449/0x710 [ 5390.511381][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.511381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.511381][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.511381][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.511381][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.511381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.511381][ T73] [ 5390.513503][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.513503][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.513503][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.513503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.513503][ T73] ip6_route_add+0x1c/0x140 [ 5390.513503][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5390.513503][ T73] addrconf_add_dev+0xe2/0x170 [ 5390.513503][ T73] inet6_addr_add+0x12f/0xa40 [ 5390.513503][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.513503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.513503][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.513503][ T73] netlink_unicast+0x449/0x710 [ 5390.513503][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.513503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.513503][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.513503][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.513503][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.513503][ T73] [ 5390.515591][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.515591][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5390.515591][ T73] ipv6_find_idev+0x102/0x170 [ 5390.515591][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.515591][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.515591][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.515591][ T73] netlink_unicast+0x449/0x710 [ 5390.515591][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.515591][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.515591][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.515591][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.515591][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.515591][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.515591][ T73] [ 5390.517271][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5390.517271][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5390.517271][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5390.517271][ T73] ipv6_find_idev+0x102/0x170 [ 5390.517271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.517271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.517271][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.517271][ T73] netlink_unicast+0x449/0x710 [ 5390.517271][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.517271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.517271][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.517271][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.517271][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.517271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.517271][ T73] [ 5390.519033][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5390.519305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5390.519305][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.519305][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.519305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.519305][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5390.519305][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5390.519305][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5390.519305][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5390.519305][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5390.519305][ T73] addrconf_dad_begin+0x310/0x670 [ 5390.519305][ T73] addrconf_dad_work+0x10b/0xab0 [ 5390.519305][ T73] process_one_work+0x84d/0x18a0 [ 5390.519305][ T73] worker_thread+0x587/0xd30 [ 5390.519305][ T73] kthread+0x28a/0x350 [ 5390.519305][ T73] ret_from_fork+0x31/0x70 [ 5390.519305][ T73] ret_from_fork_asm+0x1a/0x30 [ 5390.519305][ T73] [ 5390.521374][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5390.521374][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.521374][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.521374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.521374][ T73] ip6_route_add+0x1c/0x140 [ 5390.521374][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5390.521374][ T73] inet6_addr_add+0x4f8/0xa40 [ 5390.521374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.521374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.521374][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.521374][ T73] netlink_unicast+0x449/0x710 [ 5390.521374][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.521374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.521374][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.521374][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.521374][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.521374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.521374][ T73] [ 5390.523518][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5390.523518][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.523518][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.523518][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.523518][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5390.523518][ T73] ipv6_add_addr+0x411/0x2000 [ 5390.523518][ T73] inet6_addr_add+0x30e/0xa40 [ 5390.523518][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.523518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.523518][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.523518][ T73] netlink_unicast+0x449/0x710 [ 5390.523518][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.523518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.523518][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.523518][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.523518][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.523518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.523518][ T73] [ 5390.525666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5390.525666][ T73] netdev_get_by_index+0x5e/0x80 [ 5390.525666][ T73] fib6_nh_init+0x3d8/0x1580 [ 5390.525666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5390.525666][ T73] ip6_route_add+0x1c/0x140 [ 5390.525666][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5390.525666][ T73] addrconf_add_dev+0xe2/0x170 [ 5390.525666][ T73] inet6_addr_add+0x12f/0xa40 [ 5390.525666][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.525666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.525666][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.525666][ T73] netlink_unicast+0x449/0x710 [ 5390.525666][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.525666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.525666][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.525666][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.525666][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.525666][ T73] [ 5390.527788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5390.527788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5390.527788][ T73] ipv6_find_idev+0x102/0x170 [ 5390.527788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.527788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.527788][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.527788][ T73] netlink_unicast+0x449/0x710 [ 5390.527788][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.527788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.527788][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.527788][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.527788][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.527788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.527788][ T73] [ 5390.529398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5390.529398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5390.529398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5390.529398][ T73] ipv6_find_idev+0x102/0x170 [ 5390.529398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.529398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.529398][ T73] netlink_rcv_skb+0x130/0x360 [ 5390.529398][ T73] netlink_unicast+0x449/0x710 [ 5390.529398][ T73] netlink_sendmsg+0x723/0xbe0 [ 5390.529398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5390.529398][ T73] ___sys_sendmsg+0xee/0x170 [ 5390.529398][ T73] __sys_sendmsg+0xcd/0x170 [ 5390.529398][ T73] do_syscall_64+0xc6/0x1e0 [ 5390.529398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.529398][ T73] [ 5400.766842][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5400.767286][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.767286][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5400.767286][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5400.767286][ T73] fib6_nh_init+0xa22/0x1580 [ 5400.767286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.767286][ T73] ip6_route_add+0x1c/0x140 [ 5400.767286][ T73] inet6_rtm_newroute+0x104/0x110 [ 5400.767286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.767286][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.767286][ T73] netlink_unicast+0x449/0x710 [ 5400.767286][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.767286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.767286][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.767286][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.767286][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.767286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.767286][ T73] [ 5400.769170][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.769170][ T73] dst_init+0x84/0x4a0 [ 5400.769170][ T73] dst_alloc+0x97/0x150 [ 5400.769170][ T73] ip6_dst_alloc+0x23/0x90 [ 5400.769170][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5400.769170][ T73] ip6_pol_route+0x56f/0x840 [ 5400.769170][ T73] fib6_rule_lookup+0x456/0x630 [ 5400.769170][ T73] ip6_route_input+0x59c/0xa50 [ 5400.769170][ T73] ipv6_rcv+0x397/0x810 [ 5400.769170][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5400.769170][ T73] process_backlog+0x101/0x620 [ 5400.769170][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5400.769170][ T73] net_rx_action+0x495/0xbe0 [ 5400.769170][ T73] __do_softirq+0x1b5/0x7f6 [ 5400.769170][ T73] [ 5400.770799][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.770799][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.770799][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.770799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.770799][ T73] ip6_route_add+0x1c/0x140 [ 5400.770799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5400.770799][ T73] inet6_addr_add+0x4f8/0xa40 [ 5400.770799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.770799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.770799][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.770799][ T73] netlink_unicast+0x449/0x710 [ 5400.770799][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.770799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.770799][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.770799][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.770799][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.770799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.770799][ T73] [ 5400.772786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.772786][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.772786][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.772786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.772786][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5400.772786][ T73] ipv6_add_addr+0x411/0x2000 [ 5400.772786][ T73] inet6_addr_add+0x30e/0xa40 [ 5400.772786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.772786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.772786][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.772786][ T73] netlink_unicast+0x449/0x710 [ 5400.772786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.772786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.772786][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.772786][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.772786][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.772786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.772786][ T73] [ 5400.774767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.774767][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.774767][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.774767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.774767][ T73] ip6_route_add+0x1c/0x140 [ 5400.774767][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5400.774767][ T73] addrconf_add_dev+0xe2/0x170 [ 5400.774767][ T73] inet6_addr_add+0x12f/0xa40 [ 5400.774767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.774767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.774767][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.774767][ T73] netlink_unicast+0x449/0x710 [ 5400.774767][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.774767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.774767][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.774767][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.774767][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.774767][ T73] [ 5400.776731][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.776731][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5400.776731][ T73] ipv6_find_idev+0x102/0x170 [ 5400.776731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.776731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.776731][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.776731][ T73] netlink_unicast+0x449/0x710 [ 5400.776731][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.776731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.776731][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.776731][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.776731][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.776731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.776731][ T73] [ 5400.778267][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5400.778267][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5400.778267][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5400.778267][ T73] ipv6_find_idev+0x102/0x170 [ 5400.778267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.778267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.778267][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.778267][ T73] netlink_unicast+0x449/0x710 [ 5400.778267][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.778267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.778267][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.778267][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.778267][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.778267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.778267][ T73] [ 5400.779946][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5400.780221][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.780221][ T73] dst_init+0x84/0x4a0 [ 5400.780221][ T73] dst_alloc+0x97/0x150 [ 5400.780221][ T73] ip6_dst_alloc+0x23/0x90 [ 5400.780221][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5400.780221][ T73] ip6_pol_route+0x56f/0x840 [ 5400.780221][ T73] fib6_rule_lookup+0x456/0x630 [ 5400.780221][ T73] ip6_route_input+0x59c/0xa50 [ 5400.780221][ T73] ipv6_rcv+0x397/0x810 [ 5400.780221][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5400.780221][ T73] process_backlog+0x101/0x620 [ 5400.780221][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5400.780221][ T73] net_rx_action+0x495/0xbe0 [ 5400.780221][ T73] __do_softirq+0x1b5/0x7f6 [ 5400.780221][ T73] [ 5400.781850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.781850][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.781850][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.781850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.781850][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5400.781850][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5400.781850][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5400.781850][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5400.781850][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5400.781850][ T73] addrconf_dad_begin+0x310/0x670 [ 5400.781850][ T73] addrconf_dad_work+0x10b/0xab0 [ 5400.781850][ T73] process_one_work+0x84d/0x18a0 [ 5400.781850][ T73] worker_thread+0x587/0xd30 [ 5400.781850][ T73] kthread+0x28a/0x350 [ 5400.781850][ T73] ret_from_fork+0x31/0x70 [ 5400.781850][ T73] ret_from_fork_asm+0x1a/0x30 [ 5400.781850][ T73] [ 5400.783768][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.783768][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.783768][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.783768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.783768][ T73] ip6_route_add+0x1c/0x140 [ 5400.783768][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5400.783768][ T73] inet6_addr_add+0x4f8/0xa40 [ 5400.783768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.783768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.783768][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.783768][ T73] netlink_unicast+0x449/0x710 [ 5400.783768][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.783768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.783768][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.783768][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.783768][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.783768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.783768][ T73] [ 5400.785766][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.785766][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.785766][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.785766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.785766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5400.785766][ T73] ipv6_add_addr+0x411/0x2000 [ 5400.785766][ T73] inet6_addr_add+0x30e/0xa40 [ 5400.785766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.785766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.785766][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.785766][ T73] netlink_unicast+0x449/0x710 [ 5400.785766][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.785766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.785766][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.785766][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.785766][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.785766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.785766][ T73] [ 5400.787749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.787749][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.787749][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.787749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.787749][ T73] ip6_route_add+0x1c/0x140 [ 5400.787749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5400.787749][ T73] addrconf_add_dev+0xe2/0x170 [ 5400.787749][ T73] inet6_addr_add+0x12f/0xa40 [ 5400.787749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.787749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.787749][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.787749][ T73] netlink_unicast+0x449/0x710 [ 5400.787749][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.787749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.787749][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.787749][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.787749][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.787749][ T73] [ 5400.789715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.789715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5400.789715][ T73] ipv6_find_idev+0x102/0x170 [ 5400.789715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.789715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.789715][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.789715][ T73] netlink_unicast+0x449/0x710 [ 5400.789715][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.789715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.789715][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.789715][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.789715][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.789715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.789715][ T73] [ 5400.791238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5400.791238][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5400.791238][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5400.791238][ T73] ipv6_find_idev+0x102/0x170 [ 5400.791238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.791238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.791238][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.791238][ T73] netlink_unicast+0x449/0x710 [ 5400.791238][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.791238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.791238][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.791238][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.791238][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.791238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.791238][ T73] [ 5400.793034][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5400.793302][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.793302][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5400.793302][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5400.793302][ T73] fib6_nh_init+0xa22/0x1580 [ 5400.793302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.793302][ T73] ip6_route_add+0x1c/0x140 [ 5400.793302][ T73] inet6_rtm_newroute+0x104/0x110 [ 5400.793302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.793302][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.793302][ T73] netlink_unicast+0x449/0x710 [ 5400.793302][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.793302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.793302][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.793302][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.793302][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.793302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.793302][ T73] [ 5400.795408][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.795408][ T73] dst_init+0x84/0x4a0 [ 5400.795408][ T73] dst_alloc+0x97/0x150 [ 5400.795408][ T73] ip6_dst_alloc+0x23/0x90 [ 5400.795408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5400.795408][ T73] ip6_pol_route+0x56f/0x840 [ 5400.795408][ T73] fib6_rule_lookup+0x456/0x630 [ 5400.795408][ T73] ip6_route_input+0x59c/0xa50 [ 5400.795408][ T73] ipv6_rcv+0x397/0x810 [ 5400.795408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5400.795408][ T73] process_backlog+0x101/0x620 [ 5400.795408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5400.795408][ T73] net_rx_action+0x495/0xbe0 [ 5400.795408][ T73] __do_softirq+0x1b5/0x7f6 [ 5400.795408][ T73] [ 5400.797214][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.797214][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.797214][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.797214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.797214][ T73] ip6_route_add+0x1c/0x140 [ 5400.797214][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5400.797214][ T73] inet6_addr_add+0x4f8/0xa40 [ 5400.797214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.797214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.797214][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.797214][ T73] netlink_unicast+0x449/0x710 [ 5400.797214][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.797214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.797214][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.797214][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.797214][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.797214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.797214][ T73] [ 5400.799491][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.799491][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.799491][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.799491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.799491][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5400.799491][ T73] ipv6_add_addr+0x411/0x2000 [ 5400.799491][ T73] inet6_addr_add+0x30e/0xa40 [ 5400.799491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.799491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.799491][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.799491][ T73] netlink_unicast+0x449/0x710 [ 5400.799491][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.799491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.799491][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.799491][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.799491][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.799491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.799491][ T73] [ 5400.801712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.801712][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.801712][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.801712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.801712][ T73] ip6_route_add+0x1c/0x140 [ 5400.801712][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5400.801712][ T73] addrconf_add_dev+0xe2/0x170 [ 5400.801712][ T73] inet6_addr_add+0x12f/0xa40 [ 5400.801712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.801712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.801712][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.801712][ T73] netlink_unicast+0x449/0x710 [ 5400.801712][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.801712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.801712][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.801712][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.801712][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.801712][ T73] [ 5400.803900][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.803900][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5400.803900][ T73] ipv6_find_idev+0x102/0x170 [ 5400.803900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.803900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.803900][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.803900][ T73] netlink_unicast+0x449/0x710 [ 5400.803900][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.803900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.803900][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.803900][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.803900][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.803900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.803900][ T73] [ 5400.805613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5400.805613][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5400.805613][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5400.805613][ T73] ipv6_find_idev+0x102/0x170 [ 5400.805613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.805613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.805613][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.805613][ T73] netlink_unicast+0x449/0x710 [ 5400.805613][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.805613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.805613][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.805613][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.805613][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.805613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.805613][ T73] [ 5400.808041][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5400.808306][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5400.808306][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.808306][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.808306][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.808306][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5400.808306][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5400.808306][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5400.808306][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5400.808306][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5400.808306][ T73] addrconf_dad_begin+0x310/0x670 [ 5400.808306][ T73] addrconf_dad_work+0x10b/0xab0 [ 5400.808306][ T73] process_one_work+0x84d/0x18a0 [ 5400.808306][ T73] worker_thread+0x587/0xd30 [ 5400.808306][ T73] kthread+0x28a/0x350 [ 5400.808306][ T73] ret_from_fork+0x31/0x70 [ 5400.808306][ T73] ret_from_fork_asm+0x1a/0x30 [ 5400.808306][ T73] [ 5400.810440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5400.810440][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.810440][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.810440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.810440][ T73] ip6_route_add+0x1c/0x140 [ 5400.810440][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5400.810440][ T73] inet6_addr_add+0x4f8/0xa40 [ 5400.810440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.810440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.810440][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.810440][ T73] netlink_unicast+0x449/0x710 [ 5400.810440][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.810440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.810440][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.810440][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.810440][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.810440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.810440][ T73] [ 5400.812655][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5400.812655][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.812655][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.812655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.812655][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5400.812655][ T73] ipv6_add_addr+0x411/0x2000 [ 5400.812655][ T73] inet6_addr_add+0x30e/0xa40 [ 5400.812655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.812655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.812655][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.812655][ T73] netlink_unicast+0x449/0x710 [ 5400.812655][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.812655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.812655][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.812655][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.812655][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.812655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.812655][ T73] [ 5400.814871][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5400.814871][ T73] netdev_get_by_index+0x5e/0x80 [ 5400.814871][ T73] fib6_nh_init+0x3d8/0x1580 [ 5400.814871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5400.814871][ T73] ip6_route_add+0x1c/0x140 [ 5400.814871][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5400.814871][ T73] addrconf_add_dev+0xe2/0x170 [ 5400.814871][ T73] inet6_addr_add+0x12f/0xa40 [ 5400.814871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.814871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.814871][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.814871][ T73] netlink_unicast+0x449/0x710 [ 5400.814871][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.814871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.814871][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.814871][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.814871][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.814871][ T73] [ 5400.817414][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5400.817414][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5400.817414][ T73] ipv6_find_idev+0x102/0x170 [ 5400.817414][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.817414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.817414][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.817414][ T73] netlink_unicast+0x449/0x710 [ 5400.817414][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.817414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.817414][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.817414][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.817414][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.817414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.817414][ T73] [ 5400.819181][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5400.819181][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5400.819181][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5400.819181][ T73] ipv6_find_idev+0x102/0x170 [ 5400.819181][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.819181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.819181][ T73] netlink_rcv_skb+0x130/0x360 [ 5400.819181][ T73] netlink_unicast+0x449/0x710 [ 5400.819181][ T73] netlink_sendmsg+0x723/0xbe0 [ 5400.819181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5400.819181][ T73] ___sys_sendmsg+0xee/0x170 [ 5400.819181][ T73] __sys_sendmsg+0xcd/0x170 [ 5400.819181][ T73] do_syscall_64+0xc6/0x1e0 [ 5400.819181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.819181][ T73] [ 5411.062913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5411.063347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.063347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5411.063347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5411.063347][ T73] fib6_nh_init+0xa22/0x1580 [ 5411.063347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.063347][ T73] ip6_route_add+0x1c/0x140 [ 5411.063347][ T73] inet6_rtm_newroute+0x104/0x110 [ 5411.063347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.063347][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.063347][ T73] netlink_unicast+0x449/0x710 [ 5411.063347][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.063347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.063347][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.063347][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.063347][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.063347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.063347][ T73] [ 5411.065228][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.065228][ T73] dst_init+0x84/0x4a0 [ 5411.065228][ T73] dst_alloc+0x97/0x150 [ 5411.065228][ T73] ip6_dst_alloc+0x23/0x90 [ 5411.065228][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5411.065228][ T73] ip6_pol_route+0x56f/0x840 [ 5411.065228][ T73] fib6_rule_lookup+0x456/0x630 [ 5411.065228][ T73] ip6_route_input+0x59c/0xa50 [ 5411.065228][ T73] ipv6_rcv+0x397/0x810 [ 5411.065228][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5411.065228][ T73] process_backlog+0x101/0x620 [ 5411.065228][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5411.065228][ T73] net_rx_action+0x495/0xbe0 [ 5411.065228][ T73] __do_softirq+0x1b5/0x7f6 [ 5411.065228][ T73] [ 5411.066872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.066872][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.066872][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.066872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.066872][ T73] ip6_route_add+0x1c/0x140 [ 5411.066872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5411.066872][ T73] inet6_addr_add+0x4f8/0xa40 [ 5411.066872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.066872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.066872][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.066872][ T73] netlink_unicast+0x449/0x710 [ 5411.066872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.066872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.066872][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.066872][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.066872][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.066872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.066872][ T73] [ 5411.068872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.068872][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.068872][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.068872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.068872][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5411.068872][ T73] ipv6_add_addr+0x411/0x2000 [ 5411.068872][ T73] inet6_addr_add+0x30e/0xa40 [ 5411.068872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.068872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.068872][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.068872][ T73] netlink_unicast+0x449/0x710 [ 5411.068872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.068872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.068872][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.068872][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.068872][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.068872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.068872][ T73] [ 5411.070861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.070861][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.070861][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.070861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.070861][ T73] ip6_route_add+0x1c/0x140 [ 5411.070861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5411.070861][ T73] addrconf_add_dev+0xe2/0x170 [ 5411.070861][ T73] inet6_addr_add+0x12f/0xa40 [ 5411.070861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.070861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.070861][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.070861][ T73] netlink_unicast+0x449/0x710 [ 5411.070861][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.070861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.070861][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.070861][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.070861][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.070861][ T73] [ 5411.072813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.072813][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5411.072813][ T73] ipv6_find_idev+0x102/0x170 [ 5411.072813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.072813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.072813][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.072813][ T73] netlink_unicast+0x449/0x710 [ 5411.072813][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.072813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.072813][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.072813][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.072813][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.072813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.072813][ T73] [ 5411.074339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5411.074339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5411.074339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5411.074339][ T73] ipv6_find_idev+0x102/0x170 [ 5411.074339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.074339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.074339][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.074339][ T73] netlink_unicast+0x449/0x710 [ 5411.074339][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.074339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.074339][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.074339][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.074339][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.074339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.074339][ T73] [ 5411.076022][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5411.076290][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.076290][ T73] dst_init+0x84/0x4a0 [ 5411.076290][ T73] dst_alloc+0x97/0x150 [ 5411.076290][ T73] ip6_dst_alloc+0x23/0x90 [ 5411.076290][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5411.076290][ T73] ip6_pol_route+0x56f/0x840 [ 5411.076290][ T73] fib6_rule_lookup+0x456/0x630 [ 5411.076290][ T73] ip6_route_input+0x59c/0xa50 [ 5411.076290][ T73] ipv6_rcv+0x397/0x810 [ 5411.076290][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5411.076290][ T73] process_backlog+0x101/0x620 [ 5411.076290][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5411.076290][ T73] net_rx_action+0x495/0xbe0 [ 5411.076290][ T73] __do_softirq+0x1b5/0x7f6 [ 5411.076290][ T73] [ 5411.077920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.077920][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.077920][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.077920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.077920][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5411.077920][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5411.077920][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5411.077920][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5411.077920][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5411.077920][ T73] addrconf_dad_begin+0x310/0x670 [ 5411.077920][ T73] addrconf_dad_work+0x10b/0xab0 [ 5411.077920][ T73] process_one_work+0x84d/0x18a0 [ 5411.077920][ T73] worker_thread+0x587/0xd30 [ 5411.077920][ T73] kthread+0x28a/0x350 [ 5411.077920][ T73] ret_from_fork+0x31/0x70 [ 5411.077920][ T73] ret_from_fork_asm+0x1a/0x30 [ 5411.077920][ T73] [ 5411.079842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.079842][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.079842][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.079842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.079842][ T73] ip6_route_add+0x1c/0x140 [ 5411.079842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5411.079842][ T73] inet6_addr_add+0x4f8/0xa40 [ 5411.079842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.079842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.079842][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.079842][ T73] netlink_unicast+0x449/0x710 [ 5411.079842][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.079842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.079842][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.079842][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.079842][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.079842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.079842][ T73] [ 5411.081837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.081837][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.081837][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.081837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.081837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5411.081837][ T73] ipv6_add_addr+0x411/0x2000 [ 5411.081837][ T73] inet6_addr_add+0x30e/0xa40 [ 5411.081837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.081837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.081837][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.081837][ T73] netlink_unicast+0x449/0x710 [ 5411.081837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.081837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.081837][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.081837][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.081837][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.081837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.081837][ T73] [ 5411.083820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.083820][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.083820][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.083820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.083820][ T73] ip6_route_add+0x1c/0x140 [ 5411.083820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5411.083820][ T73] addrconf_add_dev+0xe2/0x170 [ 5411.083820][ T73] inet6_addr_add+0x12f/0xa40 [ 5411.083820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.083820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.083820][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.083820][ T73] netlink_unicast+0x449/0x710 [ 5411.083820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.083820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.083820][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.083820][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.083820][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.083820][ T73] [ 5411.085769][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.085769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5411.085769][ T73] ipv6_find_idev+0x102/0x170 [ 5411.085769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.085769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.085769][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.085769][ T73] netlink_unicast+0x449/0x710 [ 5411.085769][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.085769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.085769][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.085769][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.085769][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.085769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.085769][ T73] [ 5411.087296][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5411.087296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5411.087296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5411.087296][ T73] ipv6_find_idev+0x102/0x170 [ 5411.087296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.087296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.087296][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.087296][ T73] netlink_unicast+0x449/0x710 [ 5411.087296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.087296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.087296][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.087296][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.087296][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.087296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.087296][ T73] [ 5411.089063][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5411.089337][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.089337][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5411.089337][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5411.089337][ T73] fib6_nh_init+0xa22/0x1580 [ 5411.089337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.089337][ T73] ip6_route_add+0x1c/0x140 [ 5411.089337][ T73] inet6_rtm_newroute+0x104/0x110 [ 5411.089337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.089337][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.089337][ T73] netlink_unicast+0x449/0x710 [ 5411.089337][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.089337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.089337][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.089337][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.089337][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.089337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.089337][ T73] [ 5411.091446][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.091446][ T73] dst_init+0x84/0x4a0 [ 5411.091446][ T73] dst_alloc+0x97/0x150 [ 5411.091446][ T73] ip6_dst_alloc+0x23/0x90 [ 5411.091446][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5411.091446][ T73] ip6_pol_route+0x56f/0x840 [ 5411.091446][ T73] fib6_rule_lookup+0x456/0x630 [ 5411.091446][ T73] ip6_route_input+0x59c/0xa50 [ 5411.091446][ T73] ipv6_rcv+0x397/0x810 [ 5411.091446][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5411.091446][ T73] process_backlog+0x101/0x620 [ 5411.091446][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5411.091446][ T73] net_rx_action+0x495/0xbe0 [ 5411.091446][ T73] __do_softirq+0x1b5/0x7f6 [ 5411.091446][ T73] [ 5411.093258][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.093258][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.093258][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.093258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.093258][ T73] ip6_route_add+0x1c/0x140 [ 5411.093258][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5411.093258][ T73] inet6_addr_add+0x4f8/0xa40 [ 5411.093258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.093258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.093258][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.093258][ T73] netlink_unicast+0x449/0x710 [ 5411.093258][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.093258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.093258][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.093258][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.093258][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.093258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.093258][ T73] [ 5411.095425][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.095425][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.095425][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.095425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.095425][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5411.095425][ T73] ipv6_add_addr+0x411/0x2000 [ 5411.095425][ T73] inet6_addr_add+0x30e/0xa40 [ 5411.095425][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.095425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.095425][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.095425][ T73] netlink_unicast+0x449/0x710 [ 5411.095425][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.095425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.095425][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.095425][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.095425][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.095425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.095425][ T73] [ 5411.097663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.097663][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.097663][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.097663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.097663][ T73] ip6_route_add+0x1c/0x140 [ 5411.097663][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5411.097663][ T73] addrconf_add_dev+0xe2/0x170 [ 5411.097663][ T73] inet6_addr_add+0x12f/0xa40 [ 5411.097663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.097663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.097663][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.097663][ T73] netlink_unicast+0x449/0x710 [ 5411.097663][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.097663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.097663][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.097663][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.097663][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.097663][ T73] [ 5411.099921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.099921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5411.099921][ T73] ipv6_find_idev+0x102/0x170 [ 5411.099921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.099921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.099921][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.099921][ T73] netlink_unicast+0x449/0x710 [ 5411.099921][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.099921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.099921][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.099921][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.099921][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.099921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.099921][ T73] [ 5411.101638][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5411.101638][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5411.101638][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5411.101638][ T73] ipv6_find_idev+0x102/0x170 [ 5411.101638][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.101638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.101638][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.101638][ T73] netlink_unicast+0x449/0x710 [ 5411.101638][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.101638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.101638][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.101638][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.101638][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.101638][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.101638][ T73] [ 5411.103491][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5411.103821][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5411.103821][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.103821][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.103821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.103821][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5411.103821][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5411.103821][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5411.103821][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5411.103821][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5411.103821][ T73] addrconf_dad_begin+0x310/0x670 [ 5411.103821][ T73] addrconf_dad_work+0x10b/0xab0 [ 5411.103821][ T73] process_one_work+0x84d/0x18a0 [ 5411.103821][ T73] worker_thread+0x587/0xd30 [ 5411.103821][ T73] kthread+0x28a/0x350 [ 5411.103821][ T73] ret_from_fork+0x31/0x70 [ 5411.103821][ T73] ret_from_fork_asm+0x1a/0x30 [ 5411.103821][ T73] [ 5411.105843][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5411.105843][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.105843][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.105843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.105843][ T73] ip6_route_add+0x1c/0x140 [ 5411.105843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5411.105843][ T73] inet6_addr_add+0x4f8/0xa40 [ 5411.105843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.105843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.105843][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.105843][ T73] netlink_unicast+0x449/0x710 [ 5411.105843][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.105843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.105843][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.105843][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.105843][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.105843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.105843][ T73] [ 5411.108138][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5411.108138][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.108138][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.108138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.108138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5411.108138][ T73] ipv6_add_addr+0x411/0x2000 [ 5411.108138][ T73] inet6_addr_add+0x30e/0xa40 [ 5411.108138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.108138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.108138][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.108138][ T73] netlink_unicast+0x449/0x710 [ 5411.108138][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.108138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.108138][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.108138][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.108138][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.108138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.108138][ T73] [ 5411.110375][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5411.110375][ T73] netdev_get_by_index+0x5e/0x80 [ 5411.110375][ T73] fib6_nh_init+0x3d8/0x1580 [ 5411.110375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5411.110375][ T73] ip6_route_add+0x1c/0x140 [ 5411.110375][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5411.110375][ T73] addrconf_add_dev+0xe2/0x170 [ 5411.110375][ T73] inet6_addr_add+0x12f/0xa40 [ 5411.110375][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.110375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.110375][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.110375][ T73] netlink_unicast+0x449/0x710 [ 5411.110375][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.110375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.110375][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.110375][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.110375][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.110375][ T73] [ 5411.112579][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5411.112579][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5411.112579][ T73] ipv6_find_idev+0x102/0x170 [ 5411.112579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.112579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.112579][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.112579][ T73] netlink_unicast+0x449/0x710 [ 5411.112579][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.112579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.112579][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.112579][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.112579][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.112579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.112579][ T73] [ 5411.114285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5411.114285][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5411.114285][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5411.114285][ T73] ipv6_find_idev+0x102/0x170 [ 5411.114285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.114285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.114285][ T73] netlink_rcv_skb+0x130/0x360 [ 5411.114285][ T73] netlink_unicast+0x449/0x710 [ 5411.114285][ T73] netlink_sendmsg+0x723/0xbe0 [ 5411.114285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5411.114285][ T73] ___sys_sendmsg+0xee/0x170 [ 5411.114285][ T73] __sys_sendmsg+0xcd/0x170 [ 5411.114285][ T73] do_syscall_64+0xc6/0x1e0 [ 5411.114285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.114285][ T73] [ 5421.166834][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5421.167272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.167272][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5421.167272][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5421.167272][ T73] fib6_nh_init+0xa22/0x1580 [ 5421.167272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.167272][ T73] ip6_route_add+0x1c/0x140 [ 5421.167272][ T73] inet6_rtm_newroute+0x104/0x110 [ 5421.167272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.167272][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.167272][ T73] netlink_unicast+0x449/0x710 [ 5421.167272][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.167272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.167272][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.167272][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.167272][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.167272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.167272][ T73] [ 5421.169156][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.169156][ T73] dst_init+0x84/0x4a0 [ 5421.169156][ T73] dst_alloc+0x97/0x150 [ 5421.169156][ T73] ip6_dst_alloc+0x23/0x90 [ 5421.169156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5421.169156][ T73] ip6_pol_route+0x56f/0x840 [ 5421.169156][ T73] fib6_rule_lookup+0x456/0x630 [ 5421.169156][ T73] ip6_route_input+0x59c/0xa50 [ 5421.169156][ T73] ipv6_rcv+0x397/0x810 [ 5421.169156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5421.169156][ T73] process_backlog+0x101/0x620 [ 5421.169156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5421.169156][ T73] net_rx_action+0x495/0xbe0 [ 5421.169156][ T73] __do_softirq+0x1b5/0x7f6 [ 5421.169156][ T73] [ 5421.170786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.170786][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.170786][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.170786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.170786][ T73] ip6_route_add+0x1c/0x140 [ 5421.170786][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5421.170786][ T73] inet6_addr_add+0x4f8/0xa40 [ 5421.170786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.170786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.170786][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.170786][ T73] netlink_unicast+0x449/0x710 [ 5421.170786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.170786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.170786][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.170786][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.170786][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.170786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.170786][ T73] [ 5421.172768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.172768][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.172768][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.172768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.172768][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5421.172768][ T73] ipv6_add_addr+0x411/0x2000 [ 5421.172768][ T73] inet6_addr_add+0x30e/0xa40 [ 5421.172768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.172768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.172768][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.172768][ T73] netlink_unicast+0x449/0x710 [ 5421.172768][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.172768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.172768][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.172768][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.172768][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.172768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.172768][ T73] [ 5421.174757][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.174757][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.174757][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.174757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.174757][ T73] ip6_route_add+0x1c/0x140 [ 5421.174757][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5421.174757][ T73] addrconf_add_dev+0xe2/0x170 [ 5421.174757][ T73] inet6_addr_add+0x12f/0xa40 [ 5421.174757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.174757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.174757][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.174757][ T73] netlink_unicast+0x449/0x710 [ 5421.174757][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.174757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.174757][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.174757][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.174757][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.174757][ T73] [ 5421.176722][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.176722][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5421.176722][ T73] ipv6_find_idev+0x102/0x170 [ 5421.176722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.176722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.176722][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.176722][ T73] netlink_unicast+0x449/0x710 [ 5421.176722][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.176722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.176722][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.176722][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.176722][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.176722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.176722][ T73] [ 5421.178263][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5421.178263][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5421.178263][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5421.178263][ T73] ipv6_find_idev+0x102/0x170 [ 5421.178263][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.178263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.178263][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.178263][ T73] netlink_unicast+0x449/0x710 [ 5421.178263][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.178263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.178263][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.178263][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.178263][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.178263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.178263][ T73] [ 5421.179942][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5421.180215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.180215][ T73] dst_init+0x84/0x4a0 [ 5421.180215][ T73] dst_alloc+0x97/0x150 [ 5421.180215][ T73] ip6_dst_alloc+0x23/0x90 [ 5421.180215][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5421.180215][ T73] ip6_pol_route+0x56f/0x840 [ 5421.180215][ T73] fib6_rule_lookup+0x456/0x630 [ 5421.180215][ T73] ip6_route_input+0x59c/0xa50 [ 5421.180215][ T73] ipv6_rcv+0x397/0x810 [ 5421.180215][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5421.180215][ T73] process_backlog+0x101/0x620 [ 5421.180215][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5421.180215][ T73] net_rx_action+0x495/0xbe0 [ 5421.180215][ T73] __do_softirq+0x1b5/0x7f6 [ 5421.180215][ T73] [ 5421.181842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.181842][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.181842][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.181842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.181842][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5421.181842][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5421.181842][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5421.181842][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5421.181842][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5421.181842][ T73] addrconf_dad_begin+0x310/0x670 [ 5421.181842][ T73] addrconf_dad_work+0x10b/0xab0 [ 5421.181842][ T73] process_one_work+0x84d/0x18a0 [ 5421.181842][ T73] worker_thread+0x587/0xd30 [ 5421.181842][ T73] kthread+0x28a/0x350 [ 5421.181842][ T73] ret_from_fork+0x31/0x70 [ 5421.181842][ T73] ret_from_fork_asm+0x1a/0x30 [ 5421.181842][ T73] [ 5421.183736][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.183736][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.183736][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.183736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.183736][ T73] ip6_route_add+0x1c/0x140 [ 5421.183736][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5421.183736][ T73] inet6_addr_add+0x4f8/0xa40 [ 5421.183736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.183736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.183736][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.183736][ T73] netlink_unicast+0x449/0x710 [ 5421.183736][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.183736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.183736][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.183736][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.183736][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.183736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.183736][ T73] [ 5421.185727][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.185727][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.185727][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.185727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.185727][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5421.185727][ T73] ipv6_add_addr+0x411/0x2000 [ 5421.185727][ T73] inet6_addr_add+0x30e/0xa40 [ 5421.185727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.185727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.185727][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.185727][ T73] netlink_unicast+0x449/0x710 [ 5421.185727][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.185727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.185727][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.185727][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.185727][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.185727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.185727][ T73] [ 5421.187719][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.187719][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.187719][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.187719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.187719][ T73] ip6_route_add+0x1c/0x140 [ 5421.187719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5421.187719][ T73] addrconf_add_dev+0xe2/0x170 [ 5421.187719][ T73] inet6_addr_add+0x12f/0xa40 [ 5421.187719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.187719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.187719][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.187719][ T73] netlink_unicast+0x449/0x710 [ 5421.187719][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.187719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.187719][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.187719][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.187719][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.187719][ T73] [ 5421.189666][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.189666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5421.189666][ T73] ipv6_find_idev+0x102/0x170 [ 5421.189666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.189666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.189666][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.189666][ T73] netlink_unicast+0x449/0x710 [ 5421.189666][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.189666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.189666][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.189666][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.189666][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.189666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.189666][ T73] [ 5421.191194][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5421.191194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5421.191194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5421.191194][ T73] ipv6_find_idev+0x102/0x170 [ 5421.191194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.191194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.191194][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.191194][ T73] netlink_unicast+0x449/0x710 [ 5421.191194][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.191194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.191194][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.191194][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.191194][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.191194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.191194][ T73] [ 5421.192989][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5421.193253][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.193253][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5421.193253][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5421.193253][ T73] fib6_nh_init+0xa22/0x1580 [ 5421.193253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.193253][ T73] ip6_route_add+0x1c/0x140 [ 5421.193253][ T73] inet6_rtm_newroute+0x104/0x110 [ 5421.193253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.193253][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.193253][ T73] netlink_unicast+0x449/0x710 [ 5421.193253][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.193253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.193253][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.193253][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.193253][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.193253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.193253][ T73] [ 5421.195421][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.195421][ T73] dst_init+0x84/0x4a0 [ 5421.195421][ T73] dst_alloc+0x97/0x150 [ 5421.195421][ T73] ip6_dst_alloc+0x23/0x90 [ 5421.195421][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5421.195421][ T73] ip6_pol_route+0x56f/0x840 [ 5421.195421][ T73] fib6_rule_lookup+0x456/0x630 [ 5421.195421][ T73] ip6_route_input+0x59c/0xa50 [ 5421.195421][ T73] ipv6_rcv+0x397/0x810 [ 5421.195421][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5421.195421][ T73] process_backlog+0x101/0x620 [ 5421.195421][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5421.195421][ T73] net_rx_action+0x495/0xbe0 [ 5421.195421][ T73] __do_softirq+0x1b5/0x7f6 [ 5421.195421][ T73] [ 5421.197228][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.197228][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.197228][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.197228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.197228][ T73] ip6_route_add+0x1c/0x140 [ 5421.197228][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5421.197228][ T73] inet6_addr_add+0x4f8/0xa40 [ 5421.197228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.197228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.197228][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.197228][ T73] netlink_unicast+0x449/0x710 [ 5421.197228][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.197228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.197228][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.197228][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.197228][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.197228][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.197228][ T73] [ 5421.199451][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.199451][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.199451][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.199451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.199451][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5421.199451][ T73] ipv6_add_addr+0x411/0x2000 [ 5421.199451][ T73] inet6_addr_add+0x30e/0xa40 [ 5421.199451][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.199451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.199451][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.199451][ T73] netlink_unicast+0x449/0x710 [ 5421.199451][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.199451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.199451][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.199451][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.199451][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.199451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.199451][ T73] [ 5421.201689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.201689][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.201689][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.201689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.201689][ T73] ip6_route_add+0x1c/0x140 [ 5421.201689][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5421.201689][ T73] addrconf_add_dev+0xe2/0x170 [ 5421.201689][ T73] inet6_addr_add+0x12f/0xa40 [ 5421.201689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.201689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.201689][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.201689][ T73] netlink_unicast+0x449/0x710 [ 5421.201689][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.201689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.201689][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.201689][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.201689][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.201689][ T73] [ 5421.203936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.203936][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5421.203936][ T73] ipv6_find_idev+0x102/0x170 [ 5421.203936][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.203936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.203936][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.203936][ T73] netlink_unicast+0x449/0x710 [ 5421.203936][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.203936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.203936][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.203936][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.203936][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.203936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.203936][ T73] [ 5421.205645][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5421.205645][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5421.205645][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5421.205645][ T73] ipv6_find_idev+0x102/0x170 [ 5421.205645][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.205645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.205645][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.205645][ T73] netlink_unicast+0x449/0x710 [ 5421.205645][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.205645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.205645][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.205645][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.205645][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.205645][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.205645][ T73] [ 5421.207500][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5421.207770][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5421.207770][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.207770][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.207770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.207770][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5421.207770][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5421.207770][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5421.207770][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5421.207770][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5421.207770][ T73] addrconf_dad_begin+0x310/0x670 [ 5421.207770][ T73] addrconf_dad_work+0x10b/0xab0 [ 5421.207770][ T73] process_one_work+0x84d/0x18a0 [ 5421.207770][ T73] worker_thread+0x587/0xd30 [ 5421.207770][ T73] kthread+0x28a/0x350 [ 5421.207770][ T73] ret_from_fork+0x31/0x70 [ 5421.207770][ T73] ret_from_fork_asm+0x1a/0x30 [ 5421.207770][ T73] [ 5421.209908][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5421.209908][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.209908][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.209908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.209908][ T73] ip6_route_add+0x1c/0x140 [ 5421.209908][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5421.209908][ T73] inet6_addr_add+0x4f8/0xa40 [ 5421.209908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.209908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.209908][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.209908][ T73] netlink_unicast+0x449/0x710 [ 5421.209908][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.209908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.209908][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.209908][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.209908][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.209908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.209908][ T73] [ 5421.212129][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5421.212129][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.212129][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.212129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.212129][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5421.212129][ T73] ipv6_add_addr+0x411/0x2000 [ 5421.212129][ T73] inet6_addr_add+0x30e/0xa40 [ 5421.212129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.212129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.212129][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.212129][ T73] netlink_unicast+0x449/0x710 [ 5421.212129][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.212129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.212129][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.212129][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.212129][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.212129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.212129][ T73] [ 5421.214416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5421.214416][ T73] netdev_get_by_index+0x5e/0x80 [ 5421.214416][ T73] fib6_nh_init+0x3d8/0x1580 [ 5421.214416][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5421.214416][ T73] ip6_route_add+0x1c/0x140 [ 5421.214416][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5421.214416][ T73] addrconf_add_dev+0xe2/0x170 [ 5421.214416][ T73] inet6_addr_add+0x12f/0xa40 [ 5421.214416][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.214416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.214416][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.214416][ T73] netlink_unicast+0x449/0x710 [ 5421.214416][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.214416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.214416][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.214416][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.214416][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.214416][ T73] [ 5421.216543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5421.216543][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5421.216543][ T73] ipv6_find_idev+0x102/0x170 [ 5421.216543][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.216543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.216543][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.216543][ T73] netlink_unicast+0x449/0x710 [ 5421.216543][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.216543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.216543][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.216543][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.216543][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.216543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.216543][ T73] [ 5421.218246][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5421.218246][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5421.218246][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5421.218246][ T73] ipv6_find_idev+0x102/0x170 [ 5421.218246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.218246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.218246][ T73] netlink_rcv_skb+0x130/0x360 [ 5421.218246][ T73] netlink_unicast+0x449/0x710 [ 5421.218246][ T73] netlink_sendmsg+0x723/0xbe0 [ 5421.218246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5421.218246][ T73] ___sys_sendmsg+0xee/0x170 [ 5421.218246][ T73] __sys_sendmsg+0xcd/0x170 [ 5421.218246][ T73] do_syscall_64+0xc6/0x1e0 [ 5421.218246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.218246][ T73] [ 5431.462890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5431.463335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.463335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5431.463335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5431.463335][ T73] fib6_nh_init+0xa22/0x1580 [ 5431.463335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.463335][ T73] ip6_route_add+0x1c/0x140 [ 5431.463335][ T73] inet6_rtm_newroute+0x104/0x110 [ 5431.463335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.463335][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.463335][ T73] netlink_unicast+0x449/0x710 [ 5431.463335][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.463335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.463335][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.463335][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.463335][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.463335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.463335][ T73] [ 5431.465217][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.465217][ T73] dst_init+0x84/0x4a0 [ 5431.465217][ T73] dst_alloc+0x97/0x150 [ 5431.465217][ T73] ip6_dst_alloc+0x23/0x90 [ 5431.465217][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5431.465217][ T73] ip6_pol_route+0x56f/0x840 [ 5431.465217][ T73] fib6_rule_lookup+0x456/0x630 [ 5431.465217][ T73] ip6_route_input+0x59c/0xa50 [ 5431.465217][ T73] ipv6_rcv+0x397/0x810 [ 5431.465217][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5431.465217][ T73] process_backlog+0x101/0x620 [ 5431.465217][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5431.465217][ T73] net_rx_action+0x495/0xbe0 [ 5431.465217][ T73] __do_softirq+0x1b5/0x7f6 [ 5431.465217][ T73] [ 5431.466848][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.466848][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.466848][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.466848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.466848][ T73] ip6_route_add+0x1c/0x140 [ 5431.466848][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5431.466848][ T73] inet6_addr_add+0x4f8/0xa40 [ 5431.466848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.466848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.466848][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.466848][ T73] netlink_unicast+0x449/0x710 [ 5431.466848][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.466848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.466848][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.466848][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.466848][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.466848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.466848][ T73] [ 5431.468837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.468837][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.468837][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.468837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.468837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5431.468837][ T73] ipv6_add_addr+0x411/0x2000 [ 5431.468837][ T73] inet6_addr_add+0x30e/0xa40 [ 5431.468837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.468837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.468837][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.468837][ T73] netlink_unicast+0x449/0x710 [ 5431.468837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.468837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.468837][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.468837][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.468837][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.468837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.468837][ T73] [ 5431.470817][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.470817][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.470817][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.470817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.470817][ T73] ip6_route_add+0x1c/0x140 [ 5431.470817][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5431.470817][ T73] addrconf_add_dev+0xe2/0x170 [ 5431.470817][ T73] inet6_addr_add+0x12f/0xa40 [ 5431.470817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.470817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.470817][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.470817][ T73] netlink_unicast+0x449/0x710 [ 5431.470817][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.470817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.470817][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.470817][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.470817][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.470817][ T73] [ 5431.472773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.472773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5431.472773][ T73] ipv6_find_idev+0x102/0x170 [ 5431.472773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.472773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.472773][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.472773][ T73] netlink_unicast+0x449/0x710 [ 5431.472773][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.472773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.472773][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.472773][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.472773][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.472773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.472773][ T73] [ 5431.474293][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5431.474293][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5431.474293][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5431.474293][ T73] ipv6_find_idev+0x102/0x170 [ 5431.474293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.474293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.474293][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.474293][ T73] netlink_unicast+0x449/0x710 [ 5431.474293][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.474293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.474293][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.474293][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.474293][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.474293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.474293][ T73] [ 5431.475988][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5431.476255][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.476255][ T73] dst_init+0x84/0x4a0 [ 5431.476255][ T73] dst_alloc+0x97/0x150 [ 5431.476255][ T73] ip6_dst_alloc+0x23/0x90 [ 5431.476255][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5431.476255][ T73] ip6_pol_route+0x56f/0x840 [ 5431.476255][ T73] fib6_rule_lookup+0x456/0x630 [ 5431.476255][ T73] ip6_route_input+0x59c/0xa50 [ 5431.476255][ T73] ipv6_rcv+0x397/0x810 [ 5431.476255][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5431.476255][ T73] process_backlog+0x101/0x620 [ 5431.476255][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5431.476255][ T73] net_rx_action+0x495/0xbe0 [ 5431.476255][ T73] __do_softirq+0x1b5/0x7f6 [ 5431.476255][ T73] [ 5431.477882][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.477882][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.477882][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.477882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.477882][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5431.477882][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5431.477882][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5431.477882][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5431.477882][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5431.477882][ T73] addrconf_dad_begin+0x310/0x670 [ 5431.477882][ T73] addrconf_dad_work+0x10b/0xab0 [ 5431.477882][ T73] process_one_work+0x84d/0x18a0 [ 5431.477882][ T73] worker_thread+0x587/0xd30 [ 5431.477882][ T73] kthread+0x28a/0x350 [ 5431.477882][ T73] ret_from_fork+0x31/0x70 [ 5431.477882][ T73] ret_from_fork_asm+0x1a/0x30 [ 5431.477882][ T73] [ 5431.479779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.479779][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.479779][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.479779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.479779][ T73] ip6_route_add+0x1c/0x140 [ 5431.479779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5431.479779][ T73] inet6_addr_add+0x4f8/0xa40 [ 5431.479779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.479779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.479779][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.479779][ T73] netlink_unicast+0x449/0x710 [ 5431.479779][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.479779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.479779][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.479779][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.479779][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.479779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.479779][ T73] [ 5431.481767][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.481767][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.481767][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.481767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.481767][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5431.481767][ T73] ipv6_add_addr+0x411/0x2000 [ 5431.481767][ T73] inet6_addr_add+0x30e/0xa40 [ 5431.481767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.481767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.481767][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.481767][ T73] netlink_unicast+0x449/0x710 [ 5431.481767][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.481767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.481767][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.481767][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.481767][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.481767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.481767][ T73] [ 5431.483743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.483743][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.483743][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.483743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.483743][ T73] ip6_route_add+0x1c/0x140 [ 5431.483743][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5431.483743][ T73] addrconf_add_dev+0xe2/0x170 [ 5431.483743][ T73] inet6_addr_add+0x12f/0xa40 [ 5431.483743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.483743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.483743][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.483743][ T73] netlink_unicast+0x449/0x710 [ 5431.483743][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.483743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.483743][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.483743][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.483743][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.483743][ T73] [ 5431.485687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.485687][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5431.485687][ T73] ipv6_find_idev+0x102/0x170 [ 5431.485687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.485687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.485687][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.485687][ T73] netlink_unicast+0x449/0x710 [ 5431.485687][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.485687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.485687][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.485687][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.485687][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.485687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.485687][ T73] [ 5431.487209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5431.487209][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5431.487209][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5431.487209][ T73] ipv6_find_idev+0x102/0x170 [ 5431.487209][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.487209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.487209][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.487209][ T73] netlink_unicast+0x449/0x710 [ 5431.487209][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.487209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.487209][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.487209][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.487209][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.487209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.487209][ T73] [ 5431.488996][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5431.489259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.489259][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5431.489259][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5431.489259][ T73] fib6_nh_init+0xa22/0x1580 [ 5431.489259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.489259][ T73] ip6_route_add+0x1c/0x140 [ 5431.489259][ T73] inet6_rtm_newroute+0x104/0x110 [ 5431.489259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.489259][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.489259][ T73] netlink_unicast+0x449/0x710 [ 5431.489259][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.489259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.489259][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.489259][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.489259][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.489259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.489259][ T73] [ 5431.491363][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.491363][ T73] dst_init+0x84/0x4a0 [ 5431.491363][ T73] dst_alloc+0x97/0x150 [ 5431.491363][ T73] ip6_dst_alloc+0x23/0x90 [ 5431.491363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5431.491363][ T73] ip6_pol_route+0x56f/0x840 [ 5431.491363][ T73] fib6_rule_lookup+0x456/0x630 [ 5431.491363][ T73] ip6_route_input+0x59c/0xa50 [ 5431.491363][ T73] ipv6_rcv+0x397/0x810 [ 5431.491363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5431.491363][ T73] process_backlog+0x101/0x620 [ 5431.491363][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5431.491363][ T73] net_rx_action+0x495/0xbe0 [ 5431.491363][ T73] __do_softirq+0x1b5/0x7f6 [ 5431.491363][ T73] [ 5431.493168][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.493168][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.493168][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.493168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.493168][ T73] ip6_route_add+0x1c/0x140 [ 5431.493168][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5431.493168][ T73] inet6_addr_add+0x4f8/0xa40 [ 5431.493168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.493168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.493168][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.493168][ T73] netlink_unicast+0x449/0x710 [ 5431.493168][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.493168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.493168][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.493168][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.493168][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.493168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.493168][ T73] [ 5431.495453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.495453][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.495453][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.495453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.495453][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5431.495453][ T73] ipv6_add_addr+0x411/0x2000 [ 5431.495453][ T73] inet6_addr_add+0x30e/0xa40 [ 5431.495453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.495453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.495453][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.495453][ T73] netlink_unicast+0x449/0x710 [ 5431.495453][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.495453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.495453][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.495453][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.495453][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.495453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.495453][ T73] [ 5431.497677][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.497677][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.497677][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.497677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.497677][ T73] ip6_route_add+0x1c/0x140 [ 5431.497677][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5431.497677][ T73] addrconf_add_dev+0xe2/0x170 [ 5431.497677][ T73] inet6_addr_add+0x12f/0xa40 [ 5431.497677][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.497677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.497677][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.497677][ T73] netlink_unicast+0x449/0x710 [ 5431.497677][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.497677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.497677][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.497677][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.497677][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.497677][ T73] [ 5431.499865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.499865][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5431.499865][ T73] ipv6_find_idev+0x102/0x170 [ 5431.499865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.499865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.499865][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.499865][ T73] netlink_unicast+0x449/0x710 [ 5431.499865][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.499865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.499865][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.499865][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.499865][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.499865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.499865][ T73] [ 5431.501566][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5431.501566][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5431.501566][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5431.501566][ T73] ipv6_find_idev+0x102/0x170 [ 5431.501566][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.501566][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.501566][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.501566][ T73] netlink_unicast+0x449/0x710 [ 5431.501566][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.501566][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.501566][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.501566][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.501566][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.501566][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.501566][ T73] [ 5431.503482][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5431.503748][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5431.503748][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.503748][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.503748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.503748][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5431.503748][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5431.503748][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5431.503748][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5431.503748][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5431.503748][ T73] addrconf_dad_begin+0x310/0x670 [ 5431.503748][ T73] addrconf_dad_work+0x10b/0xab0 [ 5431.503748][ T73] process_one_work+0x84d/0x18a0 [ 5431.503748][ T73] worker_thread+0x587/0xd30 [ 5431.503748][ T73] kthread+0x28a/0x350 [ 5431.503748][ T73] ret_from_fork+0x31/0x70 [ 5431.503748][ T73] ret_from_fork_asm+0x1a/0x30 [ 5431.503748][ T73] [ 5431.505887][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5431.505887][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.505887][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.505887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.505887][ T73] ip6_route_add+0x1c/0x140 [ 5431.505887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5431.505887][ T73] inet6_addr_add+0x4f8/0xa40 [ 5431.505887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.505887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.505887][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.505887][ T73] netlink_unicast+0x449/0x710 [ 5431.505887][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.505887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.505887][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.505887][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.505887][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.505887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.505887][ T73] [ 5431.508116][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5431.508116][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.508116][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.508116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.508116][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5431.508116][ T73] ipv6_add_addr+0x411/0x2000 [ 5431.508116][ T73] inet6_addr_add+0x30e/0xa40 [ 5431.508116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.508116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.508116][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.508116][ T73] netlink_unicast+0x449/0x710 [ 5431.508116][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.508116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.508116][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.508116][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.508116][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.508116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.508116][ T73] [ 5431.510340][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5431.510340][ T73] netdev_get_by_index+0x5e/0x80 [ 5431.510340][ T73] fib6_nh_init+0x3d8/0x1580 [ 5431.510340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5431.510340][ T73] ip6_route_add+0x1c/0x140 [ 5431.510340][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5431.510340][ T73] addrconf_add_dev+0xe2/0x170 [ 5431.510340][ T73] inet6_addr_add+0x12f/0xa40 [ 5431.510340][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.510340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.510340][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.510340][ T73] netlink_unicast+0x449/0x710 [ 5431.510340][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.510340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.510340][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.510340][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.510340][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.510340][ T73] [ 5431.512478][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5431.512478][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5431.512478][ T73] ipv6_find_idev+0x102/0x170 [ 5431.512478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.512478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.512478][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.512478][ T73] netlink_unicast+0x449/0x710 [ 5431.512478][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.512478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.512478][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.512478][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.512478][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.512478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.512478][ T73] [ 5431.514245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5431.514245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5431.514245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5431.514245][ T73] ipv6_find_idev+0x102/0x170 [ 5431.514245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.514245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.514245][ T73] netlink_rcv_skb+0x130/0x360 [ 5431.514245][ T73] netlink_unicast+0x449/0x710 [ 5431.514245][ T73] netlink_sendmsg+0x723/0xbe0 [ 5431.514245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5431.514245][ T73] ___sys_sendmsg+0xee/0x170 [ 5431.514245][ T73] __sys_sendmsg+0xcd/0x170 [ 5431.514245][ T73] do_syscall_64+0xc6/0x1e0 [ 5431.514245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.514245][ T73] [ 5441.750887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5441.751353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.751353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5441.751353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5441.751353][ T73] fib6_nh_init+0xa22/0x1580 [ 5441.751353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.751353][ T73] ip6_route_add+0x1c/0x140 [ 5441.751353][ T73] inet6_rtm_newroute+0x104/0x110 [ 5441.751353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.751353][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.751353][ T73] netlink_unicast+0x449/0x710 [ 5441.751353][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.751353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.751353][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.751353][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.751353][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.751353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.751353][ T73] [ 5441.753257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.753257][ T73] dst_init+0x84/0x4a0 [ 5441.753257][ T73] dst_alloc+0x97/0x150 [ 5441.753257][ T73] ip6_dst_alloc+0x23/0x90 [ 5441.753257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5441.753257][ T73] ip6_pol_route+0x56f/0x840 [ 5441.753257][ T73] fib6_rule_lookup+0x456/0x630 [ 5441.753257][ T73] ip6_route_input+0x59c/0xa50 [ 5441.753257][ T73] ipv6_rcv+0x397/0x810 [ 5441.753257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5441.753257][ T73] process_backlog+0x101/0x620 [ 5441.753257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5441.753257][ T73] net_rx_action+0x495/0xbe0 [ 5441.753257][ T73] __do_softirq+0x1b5/0x7f6 [ 5441.753257][ T73] [ 5441.754910][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.754910][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.754910][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.754910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.754910][ T73] ip6_route_add+0x1c/0x140 [ 5441.754910][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5441.754910][ T73] inet6_addr_add+0x4f8/0xa40 [ 5441.754910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.754910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.754910][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.754910][ T73] netlink_unicast+0x449/0x710 [ 5441.754910][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.754910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.754910][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.754910][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.754910][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.754910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.754910][ T73] [ 5441.756927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.756927][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.756927][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.756927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.756927][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5441.756927][ T73] ipv6_add_addr+0x411/0x2000 [ 5441.756927][ T73] inet6_addr_add+0x30e/0xa40 [ 5441.756927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.756927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.756927][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.756927][ T73] netlink_unicast+0x449/0x710 [ 5441.756927][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.756927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.756927][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.756927][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.756927][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.756927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.756927][ T73] [ 5441.758927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.758927][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.758927][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.758927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.758927][ T73] ip6_route_add+0x1c/0x140 [ 5441.758927][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5441.758927][ T73] addrconf_add_dev+0xe2/0x170 [ 5441.758927][ T73] inet6_addr_add+0x12f/0xa40 [ 5441.758927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.758927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.758927][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.758927][ T73] netlink_unicast+0x449/0x710 [ 5441.758927][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.758927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.758927][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.758927][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.758927][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.758927][ T73] [ 5441.760901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.760901][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5441.760901][ T73] ipv6_find_idev+0x102/0x170 [ 5441.760901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.760901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.760901][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.760901][ T73] netlink_unicast+0x449/0x710 [ 5441.760901][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.760901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.760901][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.760901][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.760901][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.760901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.760901][ T73] [ 5441.762461][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5441.762461][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5441.762461][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5441.762461][ T73] ipv6_find_idev+0x102/0x170 [ 5441.762461][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.762461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.762461][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.762461][ T73] netlink_unicast+0x449/0x710 [ 5441.762461][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.762461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.762461][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.762461][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.762461][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.762461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.762461][ T73] [ 5441.764179][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5441.764459][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.764459][ T73] dst_init+0x84/0x4a0 [ 5441.764459][ T73] dst_alloc+0x97/0x150 [ 5441.764459][ T73] ip6_dst_alloc+0x23/0x90 [ 5441.764459][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5441.764459][ T73] ip6_pol_route+0x56f/0x840 [ 5441.764459][ T73] fib6_rule_lookup+0x456/0x630 [ 5441.764459][ T73] ip6_route_input+0x59c/0xa50 [ 5441.764459][ T73] ipv6_rcv+0x397/0x810 [ 5441.764459][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5441.764459][ T73] process_backlog+0x101/0x620 [ 5441.764459][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5441.764459][ T73] net_rx_action+0x495/0xbe0 [ 5441.764459][ T73] __do_softirq+0x1b5/0x7f6 [ 5441.764459][ T73] [ 5441.766109][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.766109][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.766109][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.766109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.766109][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5441.766109][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5441.766109][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5441.766109][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5441.766109][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5441.766109][ T73] addrconf_dad_begin+0x310/0x670 [ 5441.766109][ T73] addrconf_dad_work+0x10b/0xab0 [ 5441.766109][ T73] process_one_work+0x84d/0x18a0 [ 5441.766109][ T73] worker_thread+0x587/0xd30 [ 5441.766109][ T73] kthread+0x28a/0x350 [ 5441.766109][ T73] ret_from_fork+0x31/0x70 [ 5441.766109][ T73] ret_from_fork_asm+0x1a/0x30 [ 5441.766109][ T73] [ 5441.768028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.768028][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.768028][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.768028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.768028][ T73] ip6_route_add+0x1c/0x140 [ 5441.768028][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5441.768028][ T73] inet6_addr_add+0x4f8/0xa40 [ 5441.768028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.768028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.768028][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.768028][ T73] netlink_unicast+0x449/0x710 [ 5441.768028][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.768028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.768028][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.768028][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.768028][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.768028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.768028][ T73] [ 5441.770030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.770030][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.770030][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.770030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.770030][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5441.770030][ T73] ipv6_add_addr+0x411/0x2000 [ 5441.770030][ T73] inet6_addr_add+0x30e/0xa40 [ 5441.770030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.770030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.770030][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.770030][ T73] netlink_unicast+0x449/0x710 [ 5441.770030][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.770030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.770030][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.770030][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.770030][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.770030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.770030][ T73] [ 5441.772032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.772032][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.772032][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.772032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.772032][ T73] ip6_route_add+0x1c/0x140 [ 5441.772032][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5441.772032][ T73] addrconf_add_dev+0xe2/0x170 [ 5441.772032][ T73] inet6_addr_add+0x12f/0xa40 [ 5441.772032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.772032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.772032][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.772032][ T73] netlink_unicast+0x449/0x710 [ 5441.772032][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.772032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.772032][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.772032][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.772032][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.772032][ T73] [ 5441.773999][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.773999][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5441.773999][ T73] ipv6_find_idev+0x102/0x170 [ 5441.773999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.773999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.773999][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.773999][ T73] netlink_unicast+0x449/0x710 [ 5441.773999][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.773999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.773999][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.773999][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.773999][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.773999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.773999][ T73] [ 5441.775548][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5441.775548][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5441.775548][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5441.775548][ T73] ipv6_find_idev+0x102/0x170 [ 5441.775548][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.775548][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.775548][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.775548][ T73] netlink_unicast+0x449/0x710 [ 5441.775548][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.775548][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.775548][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.775548][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.775548][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.775548][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.775548][ T73] [ 5441.777470][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5441.777804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.777804][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5441.777804][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5441.777804][ T73] fib6_nh_init+0xa22/0x1580 [ 5441.777804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.777804][ T73] ip6_route_add+0x1c/0x140 [ 5441.777804][ T73] inet6_rtm_newroute+0x104/0x110 [ 5441.777804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.777804][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.777804][ T73] netlink_unicast+0x449/0x710 [ 5441.777804][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.777804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.777804][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.777804][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.777804][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.777804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.777804][ T73] [ 5441.779872][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.779872][ T73] dst_init+0x84/0x4a0 [ 5441.779872][ T73] dst_alloc+0x97/0x150 [ 5441.779872][ T73] ip6_dst_alloc+0x23/0x90 [ 5441.779872][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5441.779872][ T73] ip6_pol_route+0x56f/0x840 [ 5441.779872][ T73] fib6_rule_lookup+0x456/0x630 [ 5441.779872][ T73] ip6_route_input+0x59c/0xa50 [ 5441.779872][ T73] ipv6_rcv+0x397/0x810 [ 5441.779872][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5441.779872][ T73] process_backlog+0x101/0x620 [ 5441.779872][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5441.779872][ T73] net_rx_action+0x495/0xbe0 [ 5441.779872][ T73] __do_softirq+0x1b5/0x7f6 [ 5441.779872][ T73] [ 5441.781695][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.781695][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.781695][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.781695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.781695][ T73] ip6_route_add+0x1c/0x140 [ 5441.781695][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5441.781695][ T73] inet6_addr_add+0x4f8/0xa40 [ 5441.781695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.781695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.781695][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.781695][ T73] netlink_unicast+0x449/0x710 [ 5441.781695][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.781695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.781695][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.781695][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.781695][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.781695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.781695][ T73] [ 5441.783952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.783952][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.783952][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.783952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.783952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5441.783952][ T73] ipv6_add_addr+0x411/0x2000 [ 5441.783952][ T73] inet6_addr_add+0x30e/0xa40 [ 5441.783952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.783952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.783952][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.783952][ T73] netlink_unicast+0x449/0x710 [ 5441.783952][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.783952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.783952][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.783952][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.783952][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.783952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.783952][ T73] [ 5441.786208][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.786208][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.786208][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.786208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.786208][ T73] ip6_route_add+0x1c/0x140 [ 5441.786208][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5441.786208][ T73] addrconf_add_dev+0xe2/0x170 [ 5441.786208][ T73] inet6_addr_add+0x12f/0xa40 [ 5441.786208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.786208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.786208][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.786208][ T73] netlink_unicast+0x449/0x710 [ 5441.786208][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.786208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.786208][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.786208][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.786208][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.786208][ T73] [ 5441.788476][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.788476][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5441.788476][ T73] ipv6_find_idev+0x102/0x170 [ 5441.788476][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.788476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.788476][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.788476][ T73] netlink_unicast+0x449/0x710 [ 5441.788476][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.788476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.788476][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.788476][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.788476][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.788476][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.788476][ T73] [ 5441.790206][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5441.790206][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5441.790206][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5441.790206][ T73] ipv6_find_idev+0x102/0x170 [ 5441.790206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.790206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.790206][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.790206][ T73] netlink_unicast+0x449/0x710 [ 5441.790206][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.790206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.790206][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.790206][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.790206][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.790206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.790206][ T73] [ 5441.792092][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5441.792371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5441.792371][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.792371][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.792371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.792371][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5441.792371][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5441.792371][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5441.792371][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5441.792371][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5441.792371][ T73] addrconf_dad_begin+0x310/0x670 [ 5441.792371][ T73] addrconf_dad_work+0x10b/0xab0 [ 5441.792371][ T73] process_one_work+0x84d/0x18a0 [ 5441.792371][ T73] worker_thread+0x587/0xd30 [ 5441.792371][ T73] kthread+0x28a/0x350 [ 5441.792371][ T73] ret_from_fork+0x31/0x70 [ 5441.792371][ T73] ret_from_fork_asm+0x1a/0x30 [ 5441.792371][ T73] [ 5441.794640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5441.794640][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.794640][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.794640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.794640][ T73] ip6_route_add+0x1c/0x140 [ 5441.794640][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5441.794640][ T73] inet6_addr_add+0x4f8/0xa40 [ 5441.794640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.794640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.794640][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.794640][ T73] netlink_unicast+0x449/0x710 [ 5441.794640][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.794640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.794640][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.794640][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.794640][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.794640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.794640][ T73] [ 5441.796965][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5441.796965][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.796965][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.796965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.796965][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5441.796965][ T73] ipv6_add_addr+0x411/0x2000 [ 5441.796965][ T73] inet6_addr_add+0x30e/0xa40 [ 5441.796965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.796965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.796965][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.796965][ T73] netlink_unicast+0x449/0x710 [ 5441.796965][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.796965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.796965][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.796965][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.796965][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.796965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.796965][ T73] [ 5441.799214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5441.799214][ T73] netdev_get_by_index+0x5e/0x80 [ 5441.799214][ T73] fib6_nh_init+0x3d8/0x1580 [ 5441.799214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5441.799214][ T73] ip6_route_add+0x1c/0x140 [ 5441.799214][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5441.799214][ T73] addrconf_add_dev+0xe2/0x170 [ 5441.799214][ T73] inet6_addr_add+0x12f/0xa40 [ 5441.799214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.799214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.799214][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.799214][ T73] netlink_unicast+0x449/0x710 [ 5441.799214][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.799214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.799214][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.799214][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.799214][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.799214][ T73] [ 5441.801366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5441.801366][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5441.801366][ T73] ipv6_find_idev+0x102/0x170 [ 5441.801366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.801366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.801366][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.801366][ T73] netlink_unicast+0x449/0x710 [ 5441.801366][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.801366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.801366][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.801366][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.801366][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.801366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.801366][ T73] [ 5441.803098][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5441.803098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5441.803098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5441.803098][ T73] ipv6_find_idev+0x102/0x170 [ 5441.803098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.803098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.803098][ T73] netlink_rcv_skb+0x130/0x360 [ 5441.803098][ T73] netlink_unicast+0x449/0x710 [ 5441.803098][ T73] netlink_sendmsg+0x723/0xbe0 [ 5441.803098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5441.803098][ T73] ___sys_sendmsg+0xee/0x170 [ 5441.803098][ T73] __sys_sendmsg+0xcd/0x170 [ 5441.803098][ T73] do_syscall_64+0xc6/0x1e0 [ 5441.803098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.803098][ T73] [ 5452.046888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5452.047334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.047334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5452.047334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5452.047334][ T73] fib6_nh_init+0xa22/0x1580 [ 5452.047334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.047334][ T73] ip6_route_add+0x1c/0x140 [ 5452.047334][ T73] inet6_rtm_newroute+0x104/0x110 [ 5452.047334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.047334][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.047334][ T73] netlink_unicast+0x449/0x710 [ 5452.047334][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.047334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.047334][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.047334][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.047334][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.047334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.047334][ T73] [ 5452.049240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.049240][ T73] dst_init+0x84/0x4a0 [ 5452.049240][ T73] dst_alloc+0x97/0x150 [ 5452.049240][ T73] ip6_dst_alloc+0x23/0x90 [ 5452.049240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5452.049240][ T73] ip6_pol_route+0x56f/0x840 [ 5452.049240][ T73] fib6_rule_lookup+0x456/0x630 [ 5452.049240][ T73] ip6_route_input+0x59c/0xa50 [ 5452.049240][ T73] ipv6_rcv+0x397/0x810 [ 5452.049240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5452.049240][ T73] process_backlog+0x101/0x620 [ 5452.049240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5452.049240][ T73] net_rx_action+0x495/0xbe0 [ 5452.049240][ T73] __do_softirq+0x1b5/0x7f6 [ 5452.049240][ T73] [ 5452.050886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.050886][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.050886][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.050886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.050886][ T73] ip6_route_add+0x1c/0x140 [ 5452.050886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5452.050886][ T73] inet6_addr_add+0x4f8/0xa40 [ 5452.050886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.050886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.050886][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.050886][ T73] netlink_unicast+0x449/0x710 [ 5452.050886][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.050886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.050886][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.050886][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.050886][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.050886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.050886][ T73] [ 5452.052897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.052897][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.052897][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.052897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.052897][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5452.052897][ T73] ipv6_add_addr+0x411/0x2000 [ 5452.052897][ T73] inet6_addr_add+0x30e/0xa40 [ 5452.052897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.052897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.052897][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.052897][ T73] netlink_unicast+0x449/0x710 [ 5452.052897][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.052897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.052897][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.052897][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.052897][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.052897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.052897][ T73] [ 5452.054905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.054905][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.054905][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.054905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.054905][ T73] ip6_route_add+0x1c/0x140 [ 5452.054905][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5452.054905][ T73] addrconf_add_dev+0xe2/0x170 [ 5452.054905][ T73] inet6_addr_add+0x12f/0xa40 [ 5452.054905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.054905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.054905][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.054905][ T73] netlink_unicast+0x449/0x710 [ 5452.054905][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.054905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.054905][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.054905][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.054905][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.054905][ T73] [ 5452.056883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.056883][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5452.056883][ T73] ipv6_find_idev+0x102/0x170 [ 5452.056883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.056883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.056883][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.056883][ T73] netlink_unicast+0x449/0x710 [ 5452.056883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.056883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.056883][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.056883][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.056883][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.056883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.056883][ T73] [ 5452.058440][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5452.058440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5452.058440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5452.058440][ T73] ipv6_find_idev+0x102/0x170 [ 5452.058440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.058440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.058440][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.058440][ T73] netlink_unicast+0x449/0x710 [ 5452.058440][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.058440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.058440][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.058440][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.058440][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.058440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.058440][ T73] [ 5452.060150][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5452.060425][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.060425][ T73] dst_init+0x84/0x4a0 [ 5452.060425][ T73] dst_alloc+0x97/0x150 [ 5452.060425][ T73] ip6_dst_alloc+0x23/0x90 [ 5452.060425][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5452.060425][ T73] ip6_pol_route+0x56f/0x840 [ 5452.060425][ T73] fib6_rule_lookup+0x456/0x630 [ 5452.060425][ T73] ip6_route_input+0x59c/0xa50 [ 5452.060425][ T73] ipv6_rcv+0x397/0x810 [ 5452.060425][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5452.060425][ T73] process_backlog+0x101/0x620 [ 5452.060425][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5452.060425][ T73] net_rx_action+0x495/0xbe0 [ 5452.060425][ T73] __do_softirq+0x1b5/0x7f6 [ 5452.060425][ T73] [ 5452.062074][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.062074][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.062074][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.062074][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.062074][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5452.062074][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5452.062074][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5452.062074][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5452.062074][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5452.062074][ T73] addrconf_dad_begin+0x310/0x670 [ 5452.062074][ T73] addrconf_dad_work+0x10b/0xab0 [ 5452.062074][ T73] process_one_work+0x84d/0x18a0 [ 5452.062074][ T73] worker_thread+0x587/0xd30 [ 5452.062074][ T73] kthread+0x28a/0x350 [ 5452.062074][ T73] ret_from_fork+0x31/0x70 [ 5452.062074][ T73] ret_from_fork_asm+0x1a/0x30 [ 5452.062074][ T73] [ 5452.063992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.063992][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.063992][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.063992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.063992][ T73] ip6_route_add+0x1c/0x140 [ 5452.063992][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5452.063992][ T73] inet6_addr_add+0x4f8/0xa40 [ 5452.063992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.063992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.063992][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.063992][ T73] netlink_unicast+0x449/0x710 [ 5452.063992][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.063992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.063992][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.063992][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.063992][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.063992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.063992][ T73] [ 5452.066005][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.066005][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.066005][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.066005][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.066005][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5452.066005][ T73] ipv6_add_addr+0x411/0x2000 [ 5452.066005][ T73] inet6_addr_add+0x30e/0xa40 [ 5452.066005][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.066005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.066005][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.066005][ T73] netlink_unicast+0x449/0x710 [ 5452.066005][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.066005][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.066005][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.066005][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.066005][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.066005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.066005][ T73] [ 5452.068018][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.068018][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.068018][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.068018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.068018][ T73] ip6_route_add+0x1c/0x140 [ 5452.068018][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5452.068018][ T73] addrconf_add_dev+0xe2/0x170 [ 5452.068018][ T73] inet6_addr_add+0x12f/0xa40 [ 5452.068018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.068018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.068018][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.068018][ T73] netlink_unicast+0x449/0x710 [ 5452.068018][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.068018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.068018][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.068018][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.068018][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.068018][ T73] [ 5452.069975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.069975][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5452.069975][ T73] ipv6_find_idev+0x102/0x170 [ 5452.069975][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.069975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.069975][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.069975][ T73] netlink_unicast+0x449/0x710 [ 5452.069975][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.069975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.069975][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.069975][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.069975][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.069975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.069975][ T73] [ 5452.072029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5452.072029][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5452.072029][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5452.072029][ T73] ipv6_find_idev+0x102/0x170 [ 5452.072029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.072029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.072029][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.072029][ T73] netlink_unicast+0x449/0x710 [ 5452.072029][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.072029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.072029][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.072029][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.072029][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.072029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.072029][ T73] [ 5452.073848][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5452.074191][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.074191][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5452.074191][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5452.074191][ T73] fib6_nh_init+0xa22/0x1580 [ 5452.074191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.074191][ T73] ip6_route_add+0x1c/0x140 [ 5452.074191][ T73] inet6_rtm_newroute+0x104/0x110 [ 5452.074191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.074191][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.074191][ T73] netlink_unicast+0x449/0x710 [ 5452.074191][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.074191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.074191][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.074191][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.074191][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.074191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.074191][ T73] [ 5452.076256][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.076256][ T73] dst_init+0x84/0x4a0 [ 5452.076256][ T73] dst_alloc+0x97/0x150 [ 5452.076256][ T73] ip6_dst_alloc+0x23/0x90 [ 5452.076256][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5452.076256][ T73] ip6_pol_route+0x56f/0x840 [ 5452.076256][ T73] fib6_rule_lookup+0x456/0x630 [ 5452.076256][ T73] ip6_route_input+0x59c/0xa50 [ 5452.076256][ T73] ipv6_rcv+0x397/0x810 [ 5452.076256][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5452.076256][ T73] process_backlog+0x101/0x620 [ 5452.076256][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5452.076256][ T73] net_rx_action+0x495/0xbe0 [ 5452.076256][ T73] __do_softirq+0x1b5/0x7f6 [ 5452.076256][ T73] [ 5452.078134][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.078134][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.078134][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.078134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.078134][ T73] ip6_route_add+0x1c/0x140 [ 5452.078134][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5452.078134][ T73] inet6_addr_add+0x4f8/0xa40 [ 5452.078134][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.078134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.078134][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.078134][ T73] netlink_unicast+0x449/0x710 [ 5452.078134][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.078134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.078134][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.078134][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.078134][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.078134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.078134][ T73] [ 5452.080374][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.080374][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.080374][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.080374][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.080374][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5452.080374][ T73] ipv6_add_addr+0x411/0x2000 [ 5452.080374][ T73] inet6_addr_add+0x30e/0xa40 [ 5452.080374][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.080374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.080374][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.080374][ T73] netlink_unicast+0x449/0x710 [ 5452.080374][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.080374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.080374][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.080374][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.080374][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.080374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.080374][ T73] [ 5452.082988][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.082988][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.082988][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.082988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.082988][ T73] ip6_route_add+0x1c/0x140 [ 5452.082988][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5452.082988][ T73] addrconf_add_dev+0xe2/0x170 [ 5452.082988][ T73] inet6_addr_add+0x12f/0xa40 [ 5452.082988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.082988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.082988][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.082988][ T73] netlink_unicast+0x449/0x710 [ 5452.082988][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.082988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.082988][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.082988][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.082988][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.082988][ T73] [ 5452.085194][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.085194][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5452.085194][ T73] ipv6_find_idev+0x102/0x170 [ 5452.085194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.085194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.085194][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.085194][ T73] netlink_unicast+0x449/0x710 [ 5452.085194][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.085194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.085194][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.085194][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.085194][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.085194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.085194][ T73] [ 5452.086924][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5452.086924][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5452.086924][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5452.086924][ T73] ipv6_find_idev+0x102/0x170 [ 5452.086924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.086924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.086924][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.086924][ T73] netlink_unicast+0x449/0x710 [ 5452.086924][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.086924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.086924][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.086924][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.086924][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.086924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.086924][ T73] [ 5452.088864][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5452.089137][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5452.089137][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.089137][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.089137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.089137][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5452.089137][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5452.089137][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5452.089137][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5452.089137][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5452.089137][ T73] addrconf_dad_begin+0x310/0x670 [ 5452.089137][ T73] addrconf_dad_work+0x10b/0xab0 [ 5452.089137][ T73] process_one_work+0x84d/0x18a0 [ 5452.089137][ T73] worker_thread+0x587/0xd30 [ 5452.089137][ T73] kthread+0x28a/0x350 [ 5452.089137][ T73] ret_from_fork+0x31/0x70 [ 5452.089137][ T73] ret_from_fork_asm+0x1a/0x30 [ 5452.089137][ T73] [ 5452.091289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5452.091289][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.091289][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.091289][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.091289][ T73] ip6_route_add+0x1c/0x140 [ 5452.091289][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5452.091289][ T73] inet6_addr_add+0x4f8/0xa40 [ 5452.091289][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.091289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.091289][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.091289][ T73] netlink_unicast+0x449/0x710 [ 5452.091289][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.091289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.091289][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.091289][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.091289][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.091289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.091289][ T73] [ 5452.093534][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5452.093534][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.093534][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.093534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.093534][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5452.093534][ T73] ipv6_add_addr+0x411/0x2000 [ 5452.093534][ T73] inet6_addr_add+0x30e/0xa40 [ 5452.093534][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.093534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.093534][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.093534][ T73] netlink_unicast+0x449/0x710 [ 5452.093534][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.093534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.093534][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.093534][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.093534][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.093534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.093534][ T73] [ 5452.095780][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5452.095780][ T73] netdev_get_by_index+0x5e/0x80 [ 5452.095780][ T73] fib6_nh_init+0x3d8/0x1580 [ 5452.095780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5452.095780][ T73] ip6_route_add+0x1c/0x140 [ 5452.095780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5452.095780][ T73] addrconf_add_dev+0xe2/0x170 [ 5452.095780][ T73] inet6_addr_add+0x12f/0xa40 [ 5452.095780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.095780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.095780][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.095780][ T73] netlink_unicast+0x449/0x710 [ 5452.095780][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.095780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.095780][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.095780][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.095780][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.095780][ T73] [ 5452.097985][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5452.097985][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5452.097985][ T73] ipv6_find_idev+0x102/0x170 [ 5452.097985][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.097985][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.097985][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.097985][ T73] netlink_unicast+0x449/0x710 [ 5452.097985][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.097985][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.097985][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.097985][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.097985][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.097985][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.097985][ T73] [ 5452.099706][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5452.099706][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5452.099706][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5452.099706][ T73] ipv6_find_idev+0x102/0x170 [ 5452.099706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.099706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.099706][ T73] netlink_rcv_skb+0x130/0x360 [ 5452.099706][ T73] netlink_unicast+0x449/0x710 [ 5452.099706][ T73] netlink_sendmsg+0x723/0xbe0 [ 5452.099706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5452.099706][ T73] ___sys_sendmsg+0xee/0x170 [ 5452.099706][ T73] __sys_sendmsg+0xcd/0x170 [ 5452.099706][ T73] do_syscall_64+0xc6/0x1e0 [ 5452.099706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.099706][ T73] [ 5462.342887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5462.343334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.343334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5462.343334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5462.343334][ T73] fib6_nh_init+0xa22/0x1580 [ 5462.343334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.343334][ T73] ip6_route_add+0x1c/0x140 [ 5462.343334][ T73] inet6_rtm_newroute+0x104/0x110 [ 5462.343334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.343334][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.343334][ T73] netlink_unicast+0x449/0x710 [ 5462.343334][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.343334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.343334][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.343334][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.343334][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.343334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.343334][ T73] [ 5462.345237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.345237][ T73] dst_init+0x84/0x4a0 [ 5462.345237][ T73] dst_alloc+0x97/0x150 [ 5462.345237][ T73] ip6_dst_alloc+0x23/0x90 [ 5462.345237][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5462.345237][ T73] ip6_pol_route+0x56f/0x840 [ 5462.345237][ T73] fib6_rule_lookup+0x456/0x630 [ 5462.345237][ T73] ip6_route_input+0x59c/0xa50 [ 5462.345237][ T73] ipv6_rcv+0x397/0x810 [ 5462.345237][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5462.345237][ T73] process_backlog+0x101/0x620 [ 5462.345237][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5462.345237][ T73] net_rx_action+0x495/0xbe0 [ 5462.345237][ T73] __do_softirq+0x1b5/0x7f6 [ 5462.345237][ T73] [ 5462.346892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.346892][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.346892][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.346892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.346892][ T73] ip6_route_add+0x1c/0x140 [ 5462.346892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5462.346892][ T73] inet6_addr_add+0x4f8/0xa40 [ 5462.346892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.346892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.346892][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.346892][ T73] netlink_unicast+0x449/0x710 [ 5462.346892][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.346892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.346892][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.346892][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.346892][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.346892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.346892][ T73] [ 5462.348896][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.348896][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.348896][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.348896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.348896][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5462.348896][ T73] ipv6_add_addr+0x411/0x2000 [ 5462.348896][ T73] inet6_addr_add+0x30e/0xa40 [ 5462.348896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.348896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.348896][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.348896][ T73] netlink_unicast+0x449/0x710 [ 5462.348896][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.348896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.348896][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.348896][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.348896][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.348896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.348896][ T73] [ 5462.351268][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.351268][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.351268][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.351268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.351268][ T73] ip6_route_add+0x1c/0x140 [ 5462.351268][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5462.351268][ T73] addrconf_add_dev+0xe2/0x170 [ 5462.351268][ T73] inet6_addr_add+0x12f/0xa40 [ 5462.351268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.351268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.351268][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.351268][ T73] netlink_unicast+0x449/0x710 [ 5462.351268][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.351268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.351268][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.351268][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.351268][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.351268][ T73] [ 5462.353248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.353248][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5462.353248][ T73] ipv6_find_idev+0x102/0x170 [ 5462.353248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.353248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.353248][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.353248][ T73] netlink_unicast+0x449/0x710 [ 5462.353248][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.353248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.353248][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.353248][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.353248][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.353248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.353248][ T73] [ 5462.354794][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5462.354794][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5462.354794][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5462.354794][ T73] ipv6_find_idev+0x102/0x170 [ 5462.354794][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.354794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.354794][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.354794][ T73] netlink_unicast+0x449/0x710 [ 5462.354794][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.354794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.354794][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.354794][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.354794][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.354794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.354794][ T73] [ 5462.356503][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5462.356780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.356780][ T73] dst_init+0x84/0x4a0 [ 5462.356780][ T73] dst_alloc+0x97/0x150 [ 5462.356780][ T73] ip6_dst_alloc+0x23/0x90 [ 5462.356780][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5462.356780][ T73] ip6_pol_route+0x56f/0x840 [ 5462.356780][ T73] fib6_rule_lookup+0x456/0x630 [ 5462.356780][ T73] ip6_route_input+0x59c/0xa50 [ 5462.356780][ T73] ipv6_rcv+0x397/0x810 [ 5462.356780][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5462.356780][ T73] process_backlog+0x101/0x620 [ 5462.356780][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5462.356780][ T73] net_rx_action+0x495/0xbe0 [ 5462.356780][ T73] __do_softirq+0x1b5/0x7f6 [ 5462.356780][ T73] [ 5462.358421][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.358421][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.358421][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.358421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.358421][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5462.358421][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5462.358421][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5462.358421][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5462.358421][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5462.358421][ T73] addrconf_dad_begin+0x310/0x670 [ 5462.358421][ T73] addrconf_dad_work+0x10b/0xab0 [ 5462.358421][ T73] process_one_work+0x84d/0x18a0 [ 5462.358421][ T73] worker_thread+0x587/0xd30 [ 5462.358421][ T73] kthread+0x28a/0x350 [ 5462.358421][ T73] ret_from_fork+0x31/0x70 [ 5462.358421][ T73] ret_from_fork_asm+0x1a/0x30 [ 5462.358421][ T73] [ 5462.360343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.360343][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.360343][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.360343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.360343][ T73] ip6_route_add+0x1c/0x140 [ 5462.360343][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5462.360343][ T73] inet6_addr_add+0x4f8/0xa40 [ 5462.360343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.360343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.360343][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.360343][ T73] netlink_unicast+0x449/0x710 [ 5462.360343][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.360343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.360343][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.360343][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.360343][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.360343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.360343][ T73] [ 5462.362368][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.362368][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.362368][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.362368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.362368][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5462.362368][ T73] ipv6_add_addr+0x411/0x2000 [ 5462.362368][ T73] inet6_addr_add+0x30e/0xa40 [ 5462.362368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.362368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.362368][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.362368][ T73] netlink_unicast+0x449/0x710 [ 5462.362368][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.362368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.362368][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.362368][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.362368][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.362368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.362368][ T73] [ 5462.364377][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.364377][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.364377][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.364377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.364377][ T73] ip6_route_add+0x1c/0x140 [ 5462.364377][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5462.364377][ T73] addrconf_add_dev+0xe2/0x170 [ 5462.364377][ T73] inet6_addr_add+0x12f/0xa40 [ 5462.364377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.364377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.364377][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.364377][ T73] netlink_unicast+0x449/0x710 [ 5462.364377][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.364377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.364377][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.364377][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.364377][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.364377][ T73] [ 5462.366363][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.366363][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5462.366363][ T73] ipv6_find_idev+0x102/0x170 [ 5462.366363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.366363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.366363][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.366363][ T73] netlink_unicast+0x449/0x710 [ 5462.366363][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.366363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.366363][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.366363][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.366363][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.366363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.366363][ T73] [ 5462.367905][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5462.367905][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5462.367905][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5462.367905][ T73] ipv6_find_idev+0x102/0x170 [ 5462.367905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.367905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.367905][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.367905][ T73] netlink_unicast+0x449/0x710 [ 5462.367905][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.367905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.367905][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.367905][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.367905][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.367905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.367905][ T73] [ 5462.369719][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5462.370073][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.370073][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5462.370073][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5462.370073][ T73] fib6_nh_init+0xa22/0x1580 [ 5462.370073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.370073][ T73] ip6_route_add+0x1c/0x140 [ 5462.370073][ T73] inet6_rtm_newroute+0x104/0x110 [ 5462.370073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.370073][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.370073][ T73] netlink_unicast+0x449/0x710 [ 5462.370073][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.370073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.370073][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.370073][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.370073][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.370073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.370073][ T73] [ 5462.372154][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.372154][ T73] dst_init+0x84/0x4a0 [ 5462.372154][ T73] dst_alloc+0x97/0x150 [ 5462.372154][ T73] ip6_dst_alloc+0x23/0x90 [ 5462.372154][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5462.372154][ T73] ip6_pol_route+0x56f/0x840 [ 5462.372154][ T73] fib6_rule_lookup+0x456/0x630 [ 5462.372154][ T73] ip6_route_input+0x59c/0xa50 [ 5462.372154][ T73] ipv6_rcv+0x397/0x810 [ 5462.372154][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5462.372154][ T73] process_backlog+0x101/0x620 [ 5462.372154][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5462.372154][ T73] net_rx_action+0x495/0xbe0 [ 5462.372154][ T73] __do_softirq+0x1b5/0x7f6 [ 5462.372154][ T73] [ 5462.373982][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.373982][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.373982][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.373982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.373982][ T73] ip6_route_add+0x1c/0x140 [ 5462.373982][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5462.373982][ T73] inet6_addr_add+0x4f8/0xa40 [ 5462.373982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.373982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.373982][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.373982][ T73] netlink_unicast+0x449/0x710 [ 5462.373982][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.373982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.373982][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.373982][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.373982][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.373982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.373982][ T73] [ 5462.376241][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.376241][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.376241][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.376241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.376241][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5462.376241][ T73] ipv6_add_addr+0x411/0x2000 [ 5462.376241][ T73] inet6_addr_add+0x30e/0xa40 [ 5462.376241][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.376241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.376241][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.376241][ T73] netlink_unicast+0x449/0x710 [ 5462.376241][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.376241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.376241][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.376241][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.376241][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.376241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.376241][ T73] [ 5462.378556][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.378556][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.378556][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.378556][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.378556][ T73] ip6_route_add+0x1c/0x140 [ 5462.378556][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5462.378556][ T73] addrconf_add_dev+0xe2/0x170 [ 5462.378556][ T73] inet6_addr_add+0x12f/0xa40 [ 5462.378556][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.378556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.378556][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.378556][ T73] netlink_unicast+0x449/0x710 [ 5462.378556][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.378556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.378556][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.378556][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.378556][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.378556][ T73] [ 5462.380769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.380769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5462.380769][ T73] ipv6_find_idev+0x102/0x170 [ 5462.380769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.380769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.380769][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.380769][ T73] netlink_unicast+0x449/0x710 [ 5462.380769][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.380769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.380769][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.380769][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.380769][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.380769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.380769][ T73] [ 5462.382497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5462.382497][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5462.382497][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5462.382497][ T73] ipv6_find_idev+0x102/0x170 [ 5462.382497][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.382497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.382497][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.382497][ T73] netlink_unicast+0x449/0x710 [ 5462.382497][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.382497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.382497][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.382497][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.382497][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.382497][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.382497][ T73] [ 5462.384386][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5462.384658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5462.384658][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.384658][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.384658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.384658][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5462.384658][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5462.384658][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5462.384658][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5462.384658][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5462.384658][ T73] addrconf_dad_begin+0x310/0x670 [ 5462.384658][ T73] addrconf_dad_work+0x10b/0xab0 [ 5462.384658][ T73] process_one_work+0x84d/0x18a0 [ 5462.384658][ T73] worker_thread+0x587/0xd30 [ 5462.384658][ T73] kthread+0x28a/0x350 [ 5462.384658][ T73] ret_from_fork+0x31/0x70 [ 5462.384658][ T73] ret_from_fork_asm+0x1a/0x30 [ 5462.384658][ T73] [ 5462.386829][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5462.386829][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.386829][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.386829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.386829][ T73] ip6_route_add+0x1c/0x140 [ 5462.386829][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5462.386829][ T73] inet6_addr_add+0x4f8/0xa40 [ 5462.386829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.386829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.386829][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.386829][ T73] netlink_unicast+0x449/0x710 [ 5462.386829][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.386829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.386829][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.386829][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.386829][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.386829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.386829][ T73] [ 5462.389138][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5462.389138][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.389138][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.389138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.389138][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5462.389138][ T73] ipv6_add_addr+0x411/0x2000 [ 5462.389138][ T73] inet6_addr_add+0x30e/0xa40 [ 5462.389138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.389138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.389138][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.389138][ T73] netlink_unicast+0x449/0x710 [ 5462.389138][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.389138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.389138][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.389138][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.389138][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.389138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.389138][ T73] [ 5462.391385][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5462.391385][ T73] netdev_get_by_index+0x5e/0x80 [ 5462.391385][ T73] fib6_nh_init+0x3d8/0x1580 [ 5462.391385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5462.391385][ T73] ip6_route_add+0x1c/0x140 [ 5462.391385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5462.391385][ T73] addrconf_add_dev+0xe2/0x170 [ 5462.391385][ T73] inet6_addr_add+0x12f/0xa40 [ 5462.391385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.391385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.391385][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.391385][ T73] netlink_unicast+0x449/0x710 [ 5462.391385][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.391385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.391385][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.391385][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.391385][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.391385][ T73] [ 5462.393534][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5462.393534][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5462.393534][ T73] ipv6_find_idev+0x102/0x170 [ 5462.393534][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.393534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.393534][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.393534][ T73] netlink_unicast+0x449/0x710 [ 5462.393534][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.393534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.393534][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.393534][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.393534][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.393534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.393534][ T73] [ 5462.395260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5462.395260][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5462.395260][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5462.395260][ T73] ipv6_find_idev+0x102/0x170 [ 5462.395260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.395260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.395260][ T73] netlink_rcv_skb+0x130/0x360 [ 5462.395260][ T73] netlink_unicast+0x449/0x710 [ 5462.395260][ T73] netlink_sendmsg+0x723/0xbe0 [ 5462.395260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5462.395260][ T73] ___sys_sendmsg+0xee/0x170 [ 5462.395260][ T73] __sys_sendmsg+0xcd/0x170 [ 5462.395260][ T73] do_syscall_64+0xc6/0x1e0 [ 5462.395260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.395260][ T73] [ 5472.638929][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5472.639334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.639334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5472.639334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5472.639334][ T73] fib6_nh_init+0xa22/0x1580 [ 5472.639334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.639334][ T73] ip6_route_add+0x1c/0x140 [ 5472.639334][ T73] inet6_rtm_newroute+0x104/0x110 [ 5472.639334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.639334][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.639334][ T73] netlink_unicast+0x449/0x710 [ 5472.639334][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.639334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.639334][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.639334][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.639334][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.639334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.639334][ T73] [ 5472.641233][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.641233][ T73] dst_init+0x84/0x4a0 [ 5472.641233][ T73] dst_alloc+0x97/0x150 [ 5472.641233][ T73] ip6_dst_alloc+0x23/0x90 [ 5472.641233][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5472.641233][ T73] ip6_pol_route+0x56f/0x840 [ 5472.641233][ T73] fib6_rule_lookup+0x456/0x630 [ 5472.641233][ T73] ip6_route_input+0x59c/0xa50 [ 5472.641233][ T73] ipv6_rcv+0x397/0x810 [ 5472.641233][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5472.641233][ T73] process_backlog+0x101/0x620 [ 5472.641233][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5472.641233][ T73] net_rx_action+0x495/0xbe0 [ 5472.641233][ T73] __do_softirq+0x1b5/0x7f6 [ 5472.641233][ T73] [ 5472.642883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.642883][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.642883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.642883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.642883][ T73] ip6_route_add+0x1c/0x140 [ 5472.642883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5472.642883][ T73] inet6_addr_add+0x4f8/0xa40 [ 5472.642883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.642883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.642883][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.642883][ T73] netlink_unicast+0x449/0x710 [ 5472.642883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.642883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.642883][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.642883][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.642883][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.642883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.642883][ T73] [ 5472.644908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.644908][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.644908][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.644908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.644908][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5472.644908][ T73] ipv6_add_addr+0x411/0x2000 [ 5472.644908][ T73] inet6_addr_add+0x30e/0xa40 [ 5472.644908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.644908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.644908][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.644908][ T73] netlink_unicast+0x449/0x710 [ 5472.644908][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.644908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.644908][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.644908][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.644908][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.644908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.644908][ T73] [ 5472.647063][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.647063][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.647063][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.647063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.647063][ T73] ip6_route_add+0x1c/0x140 [ 5472.647063][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5472.647063][ T73] addrconf_add_dev+0xe2/0x170 [ 5472.647063][ T73] inet6_addr_add+0x12f/0xa40 [ 5472.647063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.647063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.647063][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.647063][ T73] netlink_unicast+0x449/0x710 [ 5472.647063][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.647063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.647063][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.647063][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.647063][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.647063][ T73] [ 5472.649038][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.649038][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5472.649038][ T73] ipv6_find_idev+0x102/0x170 [ 5472.649038][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.649038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.649038][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.649038][ T73] netlink_unicast+0x449/0x710 [ 5472.649038][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.649038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.649038][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.649038][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.649038][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.649038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.649038][ T73] [ 5472.650589][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5472.650589][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5472.650589][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5472.650589][ T73] ipv6_find_idev+0x102/0x170 [ 5472.650589][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.650589][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.650589][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.650589][ T73] netlink_unicast+0x449/0x710 [ 5472.650589][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.650589][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.650589][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.650589][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.650589][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.650589][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.650589][ T73] [ 5472.652296][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5472.652570][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.652570][ T73] dst_init+0x84/0x4a0 [ 5472.652570][ T73] dst_alloc+0x97/0x150 [ 5472.652570][ T73] ip6_dst_alloc+0x23/0x90 [ 5472.652570][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5472.652570][ T73] ip6_pol_route+0x56f/0x840 [ 5472.652570][ T73] fib6_rule_lookup+0x456/0x630 [ 5472.652570][ T73] ip6_route_input+0x59c/0xa50 [ 5472.652570][ T73] ipv6_rcv+0x397/0x810 [ 5472.652570][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5472.652570][ T73] process_backlog+0x101/0x620 [ 5472.652570][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5472.652570][ T73] net_rx_action+0x495/0xbe0 [ 5472.652570][ T73] __do_softirq+0x1b5/0x7f6 [ 5472.652570][ T73] [ 5472.654215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.654215][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.654215][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.654215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.654215][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5472.654215][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5472.654215][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5472.654215][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5472.654215][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5472.654215][ T73] addrconf_dad_begin+0x310/0x670 [ 5472.654215][ T73] addrconf_dad_work+0x10b/0xab0 [ 5472.654215][ T73] process_one_work+0x84d/0x18a0 [ 5472.654215][ T73] worker_thread+0x587/0xd30 [ 5472.654215][ T73] kthread+0x28a/0x350 [ 5472.654215][ T73] ret_from_fork+0x31/0x70 [ 5472.654215][ T73] ret_from_fork_asm+0x1a/0x30 [ 5472.654215][ T73] [ 5472.656148][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.656148][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.656148][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.656148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.656148][ T73] ip6_route_add+0x1c/0x140 [ 5472.656148][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5472.656148][ T73] inet6_addr_add+0x4f8/0xa40 [ 5472.656148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.656148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.656148][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.656148][ T73] netlink_unicast+0x449/0x710 [ 5472.656148][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.656148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.656148][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.656148][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.656148][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.656148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.656148][ T73] [ 5472.658150][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.658150][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.658150][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.658150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.658150][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5472.658150][ T73] ipv6_add_addr+0x411/0x2000 [ 5472.658150][ T73] inet6_addr_add+0x30e/0xa40 [ 5472.658150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.658150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.658150][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.658150][ T73] netlink_unicast+0x449/0x710 [ 5472.658150][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.658150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.658150][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.658150][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.658150][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.658150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.658150][ T73] [ 5472.660151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.660151][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.660151][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.660151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.660151][ T73] ip6_route_add+0x1c/0x140 [ 5472.660151][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5472.660151][ T73] addrconf_add_dev+0xe2/0x170 [ 5472.660151][ T73] inet6_addr_add+0x12f/0xa40 [ 5472.660151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.660151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.660151][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.660151][ T73] netlink_unicast+0x449/0x710 [ 5472.660151][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.660151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.660151][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.660151][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.660151][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.660151][ T73] [ 5472.662133][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.662133][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5472.662133][ T73] ipv6_find_idev+0x102/0x170 [ 5472.662133][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.662133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.662133][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.662133][ T73] netlink_unicast+0x449/0x710 [ 5472.662133][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.662133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.662133][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.662133][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.662133][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.662133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.662133][ T73] [ 5472.663677][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5472.663677][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5472.663677][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5472.663677][ T73] ipv6_find_idev+0x102/0x170 [ 5472.663677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.663677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.663677][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.663677][ T73] netlink_unicast+0x449/0x710 [ 5472.663677][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.663677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.663677][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.663677][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.663677][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.663677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.663677][ T73] [ 5472.665490][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5472.665820][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.665820][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5472.665820][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5472.665820][ T73] fib6_nh_init+0xa22/0x1580 [ 5472.665820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.665820][ T73] ip6_route_add+0x1c/0x140 [ 5472.665820][ T73] inet6_rtm_newroute+0x104/0x110 [ 5472.665820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.665820][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.665820][ T73] netlink_unicast+0x449/0x710 [ 5472.665820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.665820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.665820][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.665820][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.665820][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.665820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.665820][ T73] [ 5472.667945][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.667945][ T73] dst_init+0x84/0x4a0 [ 5472.667945][ T73] dst_alloc+0x97/0x150 [ 5472.667945][ T73] ip6_dst_alloc+0x23/0x90 [ 5472.667945][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5472.667945][ T73] ip6_pol_route+0x56f/0x840 [ 5472.667945][ T73] fib6_rule_lookup+0x456/0x630 [ 5472.667945][ T73] ip6_route_input+0x59c/0xa50 [ 5472.667945][ T73] ipv6_rcv+0x397/0x810 [ 5472.667945][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5472.667945][ T73] process_backlog+0x101/0x620 [ 5472.667945][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5472.667945][ T73] net_rx_action+0x495/0xbe0 [ 5472.667945][ T73] __do_softirq+0x1b5/0x7f6 [ 5472.667945][ T73] [ 5472.669783][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.669783][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.669783][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.669783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.669783][ T73] ip6_route_add+0x1c/0x140 [ 5472.669783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5472.669783][ T73] inet6_addr_add+0x4f8/0xa40 [ 5472.669783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.669783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.669783][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.669783][ T73] netlink_unicast+0x449/0x710 [ 5472.669783][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.669783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.669783][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.669783][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.669783][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.669783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.669783][ T73] [ 5472.672030][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.672030][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.672030][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.672030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.672030][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5472.672030][ T73] ipv6_add_addr+0x411/0x2000 [ 5472.672030][ T73] inet6_addr_add+0x30e/0xa40 [ 5472.672030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.672030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.672030][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.672030][ T73] netlink_unicast+0x449/0x710 [ 5472.672030][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.672030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.672030][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.672030][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.672030][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.672030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.672030][ T73] [ 5472.674275][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.674275][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.674275][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.674275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.674275][ T73] ip6_route_add+0x1c/0x140 [ 5472.674275][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5472.674275][ T73] addrconf_add_dev+0xe2/0x170 [ 5472.674275][ T73] inet6_addr_add+0x12f/0xa40 [ 5472.674275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.674275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.674275][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.674275][ T73] netlink_unicast+0x449/0x710 [ 5472.674275][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.674275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.674275][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.674275][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.674275][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.674275][ T73] [ 5472.676561][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.676561][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5472.676561][ T73] ipv6_find_idev+0x102/0x170 [ 5472.676561][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.676561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.676561][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.676561][ T73] netlink_unicast+0x449/0x710 [ 5472.676561][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.676561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.676561][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.676561][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.676561][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.676561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.676561][ T73] [ 5472.678288][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5472.678288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5472.678288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5472.678288][ T73] ipv6_find_idev+0x102/0x170 [ 5472.678288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.678288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.678288][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.678288][ T73] netlink_unicast+0x449/0x710 [ 5472.678288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.678288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.678288][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.678288][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.678288][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.678288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.678288][ T73] [ 5472.680166][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5472.680465][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5472.680465][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.680465][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.680465][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.680465][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5472.680465][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5472.680465][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5472.680465][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5472.680465][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5472.680465][ T73] addrconf_dad_begin+0x310/0x670 [ 5472.680465][ T73] addrconf_dad_work+0x10b/0xab0 [ 5472.680465][ T73] process_one_work+0x84d/0x18a0 [ 5472.680465][ T73] worker_thread+0x587/0xd30 [ 5472.680465][ T73] kthread+0x28a/0x350 [ 5472.680465][ T73] ret_from_fork+0x31/0x70 [ 5472.680465][ T73] ret_from_fork_asm+0x1a/0x30 [ 5472.680465][ T73] [ 5472.682625][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5472.682625][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.682625][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.682625][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.682625][ T73] ip6_route_add+0x1c/0x140 [ 5472.682625][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5472.682625][ T73] inet6_addr_add+0x4f8/0xa40 [ 5472.682625][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.682625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.682625][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.682625][ T73] netlink_unicast+0x449/0x710 [ 5472.682625][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.682625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.682625][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.682625][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.682625][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.682625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.682625][ T73] [ 5472.684872][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5472.684872][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.684872][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.684872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.684872][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5472.684872][ T73] ipv6_add_addr+0x411/0x2000 [ 5472.684872][ T73] inet6_addr_add+0x30e/0xa40 [ 5472.684872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.684872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.684872][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.684872][ T73] netlink_unicast+0x449/0x710 [ 5472.684872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.684872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.684872][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.684872][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.684872][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.684872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.684872][ T73] [ 5472.687189][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5472.687189][ T73] netdev_get_by_index+0x5e/0x80 [ 5472.687189][ T73] fib6_nh_init+0x3d8/0x1580 [ 5472.687189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5472.687189][ T73] ip6_route_add+0x1c/0x140 [ 5472.687189][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5472.687189][ T73] addrconf_add_dev+0xe2/0x170 [ 5472.687189][ T73] inet6_addr_add+0x12f/0xa40 [ 5472.687189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.687189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.687189][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.687189][ T73] netlink_unicast+0x449/0x710 [ 5472.687189][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.687189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.687189][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.687189][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.687189][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.687189][ T73] [ 5472.689347][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5472.689347][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5472.689347][ T73] ipv6_find_idev+0x102/0x170 [ 5472.689347][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.689347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.689347][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.689347][ T73] netlink_unicast+0x449/0x710 [ 5472.689347][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.689347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.689347][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.689347][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.689347][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.689347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.689347][ T73] [ 5472.691072][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5472.691072][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5472.691072][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5472.691072][ T73] ipv6_find_idev+0x102/0x170 [ 5472.691072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.691072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.691072][ T73] netlink_rcv_skb+0x130/0x360 [ 5472.691072][ T73] netlink_unicast+0x449/0x710 [ 5472.691072][ T73] netlink_sendmsg+0x723/0xbe0 [ 5472.691072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5472.691072][ T73] ___sys_sendmsg+0xee/0x170 [ 5472.691072][ T73] __sys_sendmsg+0xcd/0x170 [ 5472.691072][ T73] do_syscall_64+0xc6/0x1e0 [ 5472.691072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.691072][ T73] [ 5482.934886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5482.935290][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.935290][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5482.935290][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5482.935290][ T73] fib6_nh_init+0xa22/0x1580 [ 5482.935290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.935290][ T73] ip6_route_add+0x1c/0x140 [ 5482.935290][ T73] inet6_rtm_newroute+0x104/0x110 [ 5482.935290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.935290][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.935290][ T73] netlink_unicast+0x449/0x710 [ 5482.935290][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.935290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.935290][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.935290][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.935290][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.935290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.935290][ T73] [ 5482.937227][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.937227][ T73] dst_init+0x84/0x4a0 [ 5482.937227][ T73] dst_alloc+0x97/0x150 [ 5482.937227][ T73] ip6_dst_alloc+0x23/0x90 [ 5482.937227][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5482.937227][ T73] ip6_pol_route+0x56f/0x840 [ 5482.937227][ T73] fib6_rule_lookup+0x456/0x630 [ 5482.937227][ T73] ip6_route_input+0x59c/0xa50 [ 5482.937227][ T73] ipv6_rcv+0x397/0x810 [ 5482.937227][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5482.937227][ T73] process_backlog+0x101/0x620 [ 5482.937227][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5482.937227][ T73] net_rx_action+0x495/0xbe0 [ 5482.937227][ T73] __do_softirq+0x1b5/0x7f6 [ 5482.937227][ T73] [ 5482.938872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.938872][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.938872][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.938872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.938872][ T73] ip6_route_add+0x1c/0x140 [ 5482.938872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5482.938872][ T73] inet6_addr_add+0x4f8/0xa40 [ 5482.938872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.938872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.938872][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.938872][ T73] netlink_unicast+0x449/0x710 [ 5482.938872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.938872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.938872][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.938872][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.938872][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.938872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.938872][ T73] [ 5482.940876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.940876][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.940876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.940876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.940876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5482.940876][ T73] ipv6_add_addr+0x411/0x2000 [ 5482.940876][ T73] inet6_addr_add+0x30e/0xa40 [ 5482.940876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.940876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.940876][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.940876][ T73] netlink_unicast+0x449/0x710 [ 5482.940876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.940876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.940876][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.940876][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.940876][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.940876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.940876][ T73] [ 5482.942883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.942883][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.942883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.942883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.942883][ T73] ip6_route_add+0x1c/0x140 [ 5482.942883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5482.942883][ T73] addrconf_add_dev+0xe2/0x170 [ 5482.942883][ T73] inet6_addr_add+0x12f/0xa40 [ 5482.942883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.942883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.942883][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.942883][ T73] netlink_unicast+0x449/0x710 [ 5482.942883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.942883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.942883][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.942883][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.942883][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.942883][ T73] [ 5482.944858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.944858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5482.944858][ T73] ipv6_find_idev+0x102/0x170 [ 5482.944858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.944858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.944858][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.944858][ T73] netlink_unicast+0x449/0x710 [ 5482.944858][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.944858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.944858][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.944858][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.944858][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.944858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.944858][ T73] [ 5482.946413][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5482.946413][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5482.946413][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5482.946413][ T73] ipv6_find_idev+0x102/0x170 [ 5482.946413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.946413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.946413][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.946413][ T73] netlink_unicast+0x449/0x710 [ 5482.946413][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.946413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.946413][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.946413][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.946413][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.946413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.946413][ T73] [ 5482.948125][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5482.948400][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.948400][ T73] dst_init+0x84/0x4a0 [ 5482.948400][ T73] dst_alloc+0x97/0x150 [ 5482.948400][ T73] ip6_dst_alloc+0x23/0x90 [ 5482.948400][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5482.948400][ T73] ip6_pol_route+0x56f/0x840 [ 5482.948400][ T73] fib6_rule_lookup+0x456/0x630 [ 5482.948400][ T73] ip6_route_input+0x59c/0xa50 [ 5482.948400][ T73] ipv6_rcv+0x397/0x810 [ 5482.948400][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5482.948400][ T73] process_backlog+0x101/0x620 [ 5482.948400][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5482.948400][ T73] net_rx_action+0x495/0xbe0 [ 5482.948400][ T73] __do_softirq+0x1b5/0x7f6 [ 5482.948400][ T73] [ 5482.950047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.950047][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.950047][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.950047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.950047][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5482.950047][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5482.950047][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5482.950047][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5482.950047][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5482.950047][ T73] addrconf_dad_begin+0x310/0x670 [ 5482.950047][ T73] addrconf_dad_work+0x10b/0xab0 [ 5482.950047][ T73] process_one_work+0x84d/0x18a0 [ 5482.950047][ T73] worker_thread+0x587/0xd30 [ 5482.950047][ T73] kthread+0x28a/0x350 [ 5482.950047][ T73] ret_from_fork+0x31/0x70 [ 5482.950047][ T73] ret_from_fork_asm+0x1a/0x30 [ 5482.950047][ T73] [ 5482.951964][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.951964][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.951964][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.951964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.951964][ T73] ip6_route_add+0x1c/0x140 [ 5482.951964][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5482.951964][ T73] inet6_addr_add+0x4f8/0xa40 [ 5482.951964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.951964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.951964][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.951964][ T73] netlink_unicast+0x449/0x710 [ 5482.951964][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.951964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.951964][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.951964][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.951964][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.951964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.951964][ T73] [ 5482.953979][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.953979][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.953979][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.953979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.953979][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5482.953979][ T73] ipv6_add_addr+0x411/0x2000 [ 5482.953979][ T73] inet6_addr_add+0x30e/0xa40 [ 5482.953979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.953979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.953979][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.953979][ T73] netlink_unicast+0x449/0x710 [ 5482.953979][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.953979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.953979][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.953979][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.953979][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.953979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.953979][ T73] [ 5482.955986][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.955986][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.955986][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.955986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.955986][ T73] ip6_route_add+0x1c/0x140 [ 5482.955986][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5482.955986][ T73] addrconf_add_dev+0xe2/0x170 [ 5482.955986][ T73] inet6_addr_add+0x12f/0xa40 [ 5482.955986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.955986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.955986][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.955986][ T73] netlink_unicast+0x449/0x710 [ 5482.955986][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.955986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.955986][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.955986][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.955986][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.955986][ T73] [ 5482.957957][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.957957][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5482.957957][ T73] ipv6_find_idev+0x102/0x170 [ 5482.957957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.957957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.957957][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.957957][ T73] netlink_unicast+0x449/0x710 [ 5482.957957][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.957957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.957957][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.957957][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.957957][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.957957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.957957][ T73] [ 5482.959496][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5482.959496][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5482.959496][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5482.959496][ T73] ipv6_find_idev+0x102/0x170 [ 5482.959496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.959496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.959496][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.959496][ T73] netlink_unicast+0x449/0x710 [ 5482.959496][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.959496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.959496][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.959496][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.959496][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.959496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.959496][ T73] [ 5482.961305][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5482.961650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.961650][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5482.961650][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5482.961650][ T73] fib6_nh_init+0xa22/0x1580 [ 5482.961650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.961650][ T73] ip6_route_add+0x1c/0x140 [ 5482.961650][ T73] inet6_rtm_newroute+0x104/0x110 [ 5482.961650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.961650][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.961650][ T73] netlink_unicast+0x449/0x710 [ 5482.961650][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.961650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.961650][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.961650][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.961650][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.961650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.961650][ T73] [ 5482.963711][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.963711][ T73] dst_init+0x84/0x4a0 [ 5482.963711][ T73] dst_alloc+0x97/0x150 [ 5482.963711][ T73] ip6_dst_alloc+0x23/0x90 [ 5482.963711][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5482.963711][ T73] ip6_pol_route+0x56f/0x840 [ 5482.963711][ T73] fib6_rule_lookup+0x456/0x630 [ 5482.963711][ T73] ip6_route_input+0x59c/0xa50 [ 5482.963711][ T73] ipv6_rcv+0x397/0x810 [ 5482.963711][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5482.963711][ T73] process_backlog+0x101/0x620 [ 5482.963711][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5482.963711][ T73] net_rx_action+0x495/0xbe0 [ 5482.963711][ T73] __do_softirq+0x1b5/0x7f6 [ 5482.963711][ T73] [ 5482.965542][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.965542][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.965542][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.965542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.965542][ T73] ip6_route_add+0x1c/0x140 [ 5482.965542][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5482.965542][ T73] inet6_addr_add+0x4f8/0xa40 [ 5482.965542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.965542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.965542][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.965542][ T73] netlink_unicast+0x449/0x710 [ 5482.965542][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.965542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.965542][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.965542][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.965542][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.965542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.965542][ T73] [ 5482.967876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.967876][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.967876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.967876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.967876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5482.967876][ T73] ipv6_add_addr+0x411/0x2000 [ 5482.967876][ T73] inet6_addr_add+0x30e/0xa40 [ 5482.967876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.967876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.967876][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.967876][ T73] netlink_unicast+0x449/0x710 [ 5482.967876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.967876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.967876][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.967876][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.967876][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.967876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.967876][ T73] [ 5482.970120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.970120][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.970120][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.970120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.970120][ T73] ip6_route_add+0x1c/0x140 [ 5482.970120][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5482.970120][ T73] addrconf_add_dev+0xe2/0x170 [ 5482.970120][ T73] inet6_addr_add+0x12f/0xa40 [ 5482.970120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.970120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.970120][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.970120][ T73] netlink_unicast+0x449/0x710 [ 5482.970120][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.970120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.970120][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.970120][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.970120][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.970120][ T73] [ 5482.972329][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.972329][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5482.972329][ T73] ipv6_find_idev+0x102/0x170 [ 5482.972329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.972329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.972329][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.972329][ T73] netlink_unicast+0x449/0x710 [ 5482.972329][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.972329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.972329][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.972329][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.972329][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.972329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.972329][ T73] [ 5482.974053][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5482.974053][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5482.974053][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5482.974053][ T73] ipv6_find_idev+0x102/0x170 [ 5482.974053][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.974053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.974053][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.974053][ T73] netlink_unicast+0x449/0x710 [ 5482.974053][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.974053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.974053][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.974053][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.974053][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.974053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.974053][ T73] [ 5482.976004][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5482.976281][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5482.976281][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.976281][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.976281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.976281][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5482.976281][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5482.976281][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5482.976281][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5482.976281][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5482.976281][ T73] addrconf_dad_begin+0x310/0x670 [ 5482.976281][ T73] addrconf_dad_work+0x10b/0xab0 [ 5482.976281][ T73] process_one_work+0x84d/0x18a0 [ 5482.976281][ T73] worker_thread+0x587/0xd30 [ 5482.976281][ T73] kthread+0x28a/0x350 [ 5482.976281][ T73] ret_from_fork+0x31/0x70 [ 5482.976281][ T73] ret_from_fork_asm+0x1a/0x30 [ 5482.976281][ T73] [ 5482.978438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5482.978438][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.978438][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.978438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.978438][ T73] ip6_route_add+0x1c/0x140 [ 5482.978438][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5482.978438][ T73] inet6_addr_add+0x4f8/0xa40 [ 5482.978438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.978438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.978438][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.978438][ T73] netlink_unicast+0x449/0x710 [ 5482.978438][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.978438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.978438][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.978438][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.978438][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.978438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.978438][ T73] [ 5482.980679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5482.980679][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.980679][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.980679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.980679][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5482.980679][ T73] ipv6_add_addr+0x411/0x2000 [ 5482.980679][ T73] inet6_addr_add+0x30e/0xa40 [ 5482.980679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.980679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.980679][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.980679][ T73] netlink_unicast+0x449/0x710 [ 5482.980679][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.980679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.980679][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.980679][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.980679][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.980679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.980679][ T73] [ 5482.982925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5482.982925][ T73] netdev_get_by_index+0x5e/0x80 [ 5482.982925][ T73] fib6_nh_init+0x3d8/0x1580 [ 5482.982925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5482.982925][ T73] ip6_route_add+0x1c/0x140 [ 5482.982925][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5482.982925][ T73] addrconf_add_dev+0xe2/0x170 [ 5482.982925][ T73] inet6_addr_add+0x12f/0xa40 [ 5482.982925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.982925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.982925][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.982925][ T73] netlink_unicast+0x449/0x710 [ 5482.982925][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.982925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.982925][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.982925][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.982925][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.982925][ T73] [ 5482.985076][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5482.985076][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5482.985076][ T73] ipv6_find_idev+0x102/0x170 [ 5482.985076][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.985076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.985076][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.985076][ T73] netlink_unicast+0x449/0x710 [ 5482.985076][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.985076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.985076][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.985076][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.985076][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.985076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.985076][ T73] [ 5482.986860][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5482.986860][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5482.986860][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5482.986860][ T73] ipv6_find_idev+0x102/0x170 [ 5482.986860][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.986860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.986860][ T73] netlink_rcv_skb+0x130/0x360 [ 5482.986860][ T73] netlink_unicast+0x449/0x710 [ 5482.986860][ T73] netlink_sendmsg+0x723/0xbe0 [ 5482.986860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5482.986860][ T73] ___sys_sendmsg+0xee/0x170 [ 5482.986860][ T73] __sys_sendmsg+0xcd/0x170 [ 5482.986860][ T73] do_syscall_64+0xc6/0x1e0 [ 5482.986860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.986860][ T73] [ 5493.086890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5493.087294][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.087294][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5493.087294][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5493.087294][ T73] fib6_nh_init+0xa22/0x1580 [ 5493.087294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.087294][ T73] ip6_route_add+0x1c/0x140 [ 5493.087294][ T73] inet6_rtm_newroute+0x104/0x110 [ 5493.087294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.087294][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.087294][ T73] netlink_unicast+0x449/0x710 [ 5493.087294][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.087294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.087294][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.087294][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.087294][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.087294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.087294][ T73] [ 5493.089210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.089210][ T73] dst_init+0x84/0x4a0 [ 5493.089210][ T73] dst_alloc+0x97/0x150 [ 5493.089210][ T73] ip6_dst_alloc+0x23/0x90 [ 5493.089210][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5493.089210][ T73] ip6_pol_route+0x56f/0x840 [ 5493.089210][ T73] fib6_rule_lookup+0x456/0x630 [ 5493.089210][ T73] ip6_route_input+0x59c/0xa50 [ 5493.089210][ T73] ipv6_rcv+0x397/0x810 [ 5493.089210][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5493.089210][ T73] process_backlog+0x101/0x620 [ 5493.089210][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5493.089210][ T73] net_rx_action+0x495/0xbe0 [ 5493.089210][ T73] __do_softirq+0x1b5/0x7f6 [ 5493.089210][ T73] [ 5493.090861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.090861][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.090861][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.090861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.090861][ T73] ip6_route_add+0x1c/0x140 [ 5493.090861][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5493.090861][ T73] inet6_addr_add+0x4f8/0xa40 [ 5493.090861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.090861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.090861][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.090861][ T73] netlink_unicast+0x449/0x710 [ 5493.090861][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.090861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.090861][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.090861][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.090861][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.090861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.090861][ T73] [ 5493.092874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.092874][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.092874][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.092874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.092874][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5493.092874][ T73] ipv6_add_addr+0x411/0x2000 [ 5493.092874][ T73] inet6_addr_add+0x30e/0xa40 [ 5493.092874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.092874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.092874][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.092874][ T73] netlink_unicast+0x449/0x710 [ 5493.092874][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.092874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.092874][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.092874][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.092874][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.092874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.092874][ T73] [ 5493.094886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.094886][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.094886][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.094886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.094886][ T73] ip6_route_add+0x1c/0x140 [ 5493.094886][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5493.094886][ T73] addrconf_add_dev+0xe2/0x170 [ 5493.094886][ T73] inet6_addr_add+0x12f/0xa40 [ 5493.094886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.094886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.094886][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.094886][ T73] netlink_unicast+0x449/0x710 [ 5493.094886][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.094886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.094886][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.094886][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.094886][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.094886][ T73] [ 5493.096874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.096874][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5493.096874][ T73] ipv6_find_idev+0x102/0x170 [ 5493.096874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.096874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.096874][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.096874][ T73] netlink_unicast+0x449/0x710 [ 5493.096874][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.096874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.096874][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.096874][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.096874][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.096874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.096874][ T73] [ 5493.098425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5493.098425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5493.098425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5493.098425][ T73] ipv6_find_idev+0x102/0x170 [ 5493.098425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.098425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.098425][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.098425][ T73] netlink_unicast+0x449/0x710 [ 5493.098425][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.098425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.098425][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.098425][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.098425][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.098425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.098425][ T73] [ 5493.100138][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5493.100416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.100416][ T73] dst_init+0x84/0x4a0 [ 5493.100416][ T73] dst_alloc+0x97/0x150 [ 5493.100416][ T73] ip6_dst_alloc+0x23/0x90 [ 5493.100416][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5493.100416][ T73] ip6_pol_route+0x56f/0x840 [ 5493.100416][ T73] fib6_rule_lookup+0x456/0x630 [ 5493.100416][ T73] ip6_route_input+0x59c/0xa50 [ 5493.100416][ T73] ipv6_rcv+0x397/0x810 [ 5493.100416][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5493.100416][ T73] process_backlog+0x101/0x620 [ 5493.100416][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5493.100416][ T73] net_rx_action+0x495/0xbe0 [ 5493.100416][ T73] __do_softirq+0x1b5/0x7f6 [ 5493.100416][ T73] [ 5493.102073][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.102073][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.102073][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.102073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.102073][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5493.102073][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5493.102073][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5493.102073][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5493.102073][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5493.102073][ T73] addrconf_dad_begin+0x310/0x670 [ 5493.102073][ T73] addrconf_dad_work+0x10b/0xab0 [ 5493.102073][ T73] process_one_work+0x84d/0x18a0 [ 5493.102073][ T73] worker_thread+0x587/0xd30 [ 5493.102073][ T73] kthread+0x28a/0x350 [ 5493.102073][ T73] ret_from_fork+0x31/0x70 [ 5493.102073][ T73] ret_from_fork_asm+0x1a/0x30 [ 5493.102073][ T73] [ 5493.103994][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.103994][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.103994][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.103994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.103994][ T73] ip6_route_add+0x1c/0x140 [ 5493.103994][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5493.103994][ T73] inet6_addr_add+0x4f8/0xa40 [ 5493.103994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.103994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.103994][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.103994][ T73] netlink_unicast+0x449/0x710 [ 5493.103994][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.103994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.103994][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.103994][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.103994][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.103994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.103994][ T73] [ 5493.106022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.106022][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.106022][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.106022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.106022][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5493.106022][ T73] ipv6_add_addr+0x411/0x2000 [ 5493.106022][ T73] inet6_addr_add+0x30e/0xa40 [ 5493.106022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.106022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.106022][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.106022][ T73] netlink_unicast+0x449/0x710 [ 5493.106022][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.106022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.106022][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.106022][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.106022][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.106022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.106022][ T73] [ 5493.108033][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.108033][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.108033][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.108033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.108033][ T73] ip6_route_add+0x1c/0x140 [ 5493.108033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5493.108033][ T73] addrconf_add_dev+0xe2/0x170 [ 5493.108033][ T73] inet6_addr_add+0x12f/0xa40 [ 5493.108033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.108033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.108033][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.108033][ T73] netlink_unicast+0x449/0x710 [ 5493.108033][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.108033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.108033][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.108033][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.108033][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.108033][ T73] [ 5493.110011][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.110011][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5493.110011][ T73] ipv6_find_idev+0x102/0x170 [ 5493.110011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.110011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.110011][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.110011][ T73] netlink_unicast+0x449/0x710 [ 5493.110011][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.110011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.110011][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.110011][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.110011][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.110011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.110011][ T73] [ 5493.111566][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5493.111566][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5493.111566][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5493.111566][ T73] ipv6_find_idev+0x102/0x170 [ 5493.111566][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.111566][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.111566][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.111566][ T73] netlink_unicast+0x449/0x710 [ 5493.111566][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.111566][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.111566][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.111566][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.111566][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.111566][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.111566][ T73] [ 5493.113386][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5493.113712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.113712][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5493.113712][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5493.113712][ T73] fib6_nh_init+0xa22/0x1580 [ 5493.113712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.113712][ T73] ip6_route_add+0x1c/0x140 [ 5493.113712][ T73] inet6_rtm_newroute+0x104/0x110 [ 5493.113712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.113712][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.113712][ T73] netlink_unicast+0x449/0x710 [ 5493.113712][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.113712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.113712][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.113712][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.113712][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.113712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.113712][ T73] [ 5493.115781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.115781][ T73] dst_init+0x84/0x4a0 [ 5493.115781][ T73] dst_alloc+0x97/0x150 [ 5493.115781][ T73] ip6_dst_alloc+0x23/0x90 [ 5493.115781][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5493.115781][ T73] ip6_pol_route+0x56f/0x840 [ 5493.115781][ T73] fib6_rule_lookup+0x456/0x630 [ 5493.115781][ T73] ip6_route_input+0x59c/0xa50 [ 5493.115781][ T73] ipv6_rcv+0x397/0x810 [ 5493.115781][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5493.115781][ T73] process_backlog+0x101/0x620 [ 5493.115781][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5493.115781][ T73] net_rx_action+0x495/0xbe0 [ 5493.115781][ T73] __do_softirq+0x1b5/0x7f6 [ 5493.115781][ T73] [ 5493.117605][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.117605][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.117605][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.117605][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.117605][ T73] ip6_route_add+0x1c/0x140 [ 5493.117605][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5493.117605][ T73] inet6_addr_add+0x4f8/0xa40 [ 5493.117605][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.117605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.117605][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.117605][ T73] netlink_unicast+0x449/0x710 [ 5493.117605][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.117605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.117605][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.117605][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.117605][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.117605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.117605][ T73] [ 5493.119850][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.119850][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.119850][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.119850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.119850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5493.119850][ T73] ipv6_add_addr+0x411/0x2000 [ 5493.119850][ T73] inet6_addr_add+0x30e/0xa40 [ 5493.119850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.119850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.119850][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.119850][ T73] netlink_unicast+0x449/0x710 [ 5493.119850][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.119850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.119850][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.119850][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.119850][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.119850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.119850][ T73] [ 5493.122104][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.122104][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.122104][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.122104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.122104][ T73] ip6_route_add+0x1c/0x140 [ 5493.122104][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5493.122104][ T73] addrconf_add_dev+0xe2/0x170 [ 5493.122104][ T73] inet6_addr_add+0x12f/0xa40 [ 5493.122104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.122104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.122104][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.122104][ T73] netlink_unicast+0x449/0x710 [ 5493.122104][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.122104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.122104][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.122104][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.122104][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.122104][ T73] [ 5493.124376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.124376][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5493.124376][ T73] ipv6_find_idev+0x102/0x170 [ 5493.124376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.124376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.124376][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.124376][ T73] netlink_unicast+0x449/0x710 [ 5493.124376][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.124376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.124376][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.124376][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.124376][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.124376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.124376][ T73] [ 5493.126108][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5493.126108][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5493.126108][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5493.126108][ T73] ipv6_find_idev+0x102/0x170 [ 5493.126108][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.126108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.126108][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.126108][ T73] netlink_unicast+0x449/0x710 [ 5493.126108][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.126108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.126108][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.126108][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.126108][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.126108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.126108][ T73] [ 5493.127990][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5493.128257][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5493.128257][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.128257][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.128257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.128257][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5493.128257][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5493.128257][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5493.128257][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5493.128257][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5493.128257][ T73] addrconf_dad_begin+0x310/0x670 [ 5493.128257][ T73] addrconf_dad_work+0x10b/0xab0 [ 5493.128257][ T73] process_one_work+0x84d/0x18a0 [ 5493.128257][ T73] worker_thread+0x587/0xd30 [ 5493.128257][ T73] kthread+0x28a/0x350 [ 5493.128257][ T73] ret_from_fork+0x31/0x70 [ 5493.128257][ T73] ret_from_fork_asm+0x1a/0x30 [ 5493.128257][ T73] [ 5493.130423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5493.130423][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.130423][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.130423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.130423][ T73] ip6_route_add+0x1c/0x140 [ 5493.130423][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5493.130423][ T73] inet6_addr_add+0x4f8/0xa40 [ 5493.130423][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.130423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.130423][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.130423][ T73] netlink_unicast+0x449/0x710 [ 5493.130423][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.130423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.130423][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.130423][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.130423][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.130423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.130423][ T73] [ 5493.132737][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5493.132737][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.132737][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.132737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.132737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5493.132737][ T73] ipv6_add_addr+0x411/0x2000 [ 5493.132737][ T73] inet6_addr_add+0x30e/0xa40 [ 5493.132737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.132737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.132737][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.132737][ T73] netlink_unicast+0x449/0x710 [ 5493.132737][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.132737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.132737][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.132737][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.132737][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.132737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.132737][ T73] [ 5493.134987][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5493.134987][ T73] netdev_get_by_index+0x5e/0x80 [ 5493.134987][ T73] fib6_nh_init+0x3d8/0x1580 [ 5493.134987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5493.134987][ T73] ip6_route_add+0x1c/0x140 [ 5493.134987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5493.134987][ T73] addrconf_add_dev+0xe2/0x170 [ 5493.134987][ T73] inet6_addr_add+0x12f/0xa40 [ 5493.134987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.134987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.134987][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.134987][ T73] netlink_unicast+0x449/0x710 [ 5493.134987][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.134987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.134987][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.134987][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.134987][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.134987][ T73] [ 5493.137147][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5493.137147][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5493.137147][ T73] ipv6_find_idev+0x102/0x170 [ 5493.137147][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.137147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.137147][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.137147][ T73] netlink_unicast+0x449/0x710 [ 5493.137147][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.137147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.137147][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.137147][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.137147][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.137147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.137147][ T73] [ 5493.138881][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5493.138881][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5493.138881][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5493.138881][ T73] ipv6_find_idev+0x102/0x170 [ 5493.138881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.138881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.138881][ T73] netlink_rcv_skb+0x130/0x360 [ 5493.138881][ T73] netlink_unicast+0x449/0x710 [ 5493.138881][ T73] netlink_sendmsg+0x723/0xbe0 [ 5493.138881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5493.138881][ T73] ___sys_sendmsg+0xee/0x170 [ 5493.138881][ T73] __sys_sendmsg+0xcd/0x170 [ 5493.138881][ T73] do_syscall_64+0xc6/0x1e0 [ 5493.138881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.138881][ T73] [ 5503.390899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5503.391292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.391292][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5503.391292][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5503.391292][ T73] fib6_nh_init+0xa22/0x1580 [ 5503.391292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.391292][ T73] ip6_route_add+0x1c/0x140 [ 5503.391292][ T73] inet6_rtm_newroute+0x104/0x110 [ 5503.391292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.391292][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.391292][ T73] netlink_unicast+0x449/0x710 [ 5503.391292][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.391292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.391292][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.391292][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.391292][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.391292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.391292][ T73] [ 5503.393737][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.393737][ T73] dst_init+0x84/0x4a0 [ 5503.393737][ T73] dst_alloc+0x97/0x150 [ 5503.393737][ T73] ip6_dst_alloc+0x23/0x90 [ 5503.393737][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5503.393737][ T73] ip6_pol_route+0x56f/0x840 [ 5503.393737][ T73] fib6_rule_lookup+0x456/0x630 [ 5503.393737][ T73] ip6_route_input+0x59c/0xa50 [ 5503.393737][ T73] ipv6_rcv+0x397/0x810 [ 5503.393737][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5503.393737][ T73] process_backlog+0x101/0x620 [ 5503.393737][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5503.393737][ T73] net_rx_action+0x495/0xbe0 [ 5503.393737][ T73] __do_softirq+0x1b5/0x7f6 [ 5503.393737][ T73] [ 5503.395396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.395396][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.395396][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.395396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.395396][ T73] ip6_route_add+0x1c/0x140 [ 5503.395396][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5503.395396][ T73] inet6_addr_add+0x4f8/0xa40 [ 5503.395396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.395396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.395396][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.395396][ T73] netlink_unicast+0x449/0x710 [ 5503.395396][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.395396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.395396][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.395396][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.395396][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.395396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.395396][ T73] [ 5503.397388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.397388][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.397388][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.397388][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.397388][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5503.397388][ T73] ipv6_add_addr+0x411/0x2000 [ 5503.397388][ T73] inet6_addr_add+0x30e/0xa40 [ 5503.397388][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.397388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.397388][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.397388][ T73] netlink_unicast+0x449/0x710 [ 5503.397388][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.397388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.397388][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.397388][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.397388][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.397388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.397388][ T73] [ 5503.399408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.399408][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.399408][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.399408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.399408][ T73] ip6_route_add+0x1c/0x140 [ 5503.399408][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5503.399408][ T73] addrconf_add_dev+0xe2/0x170 [ 5503.399408][ T73] inet6_addr_add+0x12f/0xa40 [ 5503.399408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.399408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.399408][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.399408][ T73] netlink_unicast+0x449/0x710 [ 5503.399408][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.399408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.399408][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.399408][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.399408][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.399408][ T73] [ 5503.401396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.401396][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5503.401396][ T73] ipv6_find_idev+0x102/0x170 [ 5503.401396][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.401396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.401396][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.401396][ T73] netlink_unicast+0x449/0x710 [ 5503.401396][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.401396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.401396][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.401396][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.401396][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.401396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.401396][ T73] [ 5503.402969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5503.402969][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5503.402969][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5503.402969][ T73] ipv6_find_idev+0x102/0x170 [ 5503.402969][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.402969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.402969][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.402969][ T73] netlink_unicast+0x449/0x710 [ 5503.402969][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.402969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.402969][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.402969][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.402969][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.402969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.402969][ T73] [ 5503.404640][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5503.404923][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.404923][ T73] dst_init+0x84/0x4a0 [ 5503.404923][ T73] dst_alloc+0x97/0x150 [ 5503.404923][ T73] ip6_dst_alloc+0x23/0x90 [ 5503.404923][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5503.404923][ T73] ip6_pol_route+0x56f/0x840 [ 5503.404923][ T73] fib6_rule_lookup+0x456/0x630 [ 5503.404923][ T73] ip6_route_input+0x59c/0xa50 [ 5503.404923][ T73] ipv6_rcv+0x397/0x810 [ 5503.404923][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5503.404923][ T73] process_backlog+0x101/0x620 [ 5503.404923][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5503.404923][ T73] net_rx_action+0x495/0xbe0 [ 5503.404923][ T73] __do_softirq+0x1b5/0x7f6 [ 5503.404923][ T73] [ 5503.406588][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.406588][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.406588][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.406588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.406588][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5503.406588][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5503.406588][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5503.406588][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5503.406588][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5503.406588][ T73] addrconf_dad_begin+0x310/0x670 [ 5503.406588][ T73] addrconf_dad_work+0x10b/0xab0 [ 5503.406588][ T73] process_one_work+0x84d/0x18a0 [ 5503.406588][ T73] worker_thread+0x587/0xd30 [ 5503.406588][ T73] kthread+0x28a/0x350 [ 5503.406588][ T73] ret_from_fork+0x31/0x70 [ 5503.406588][ T73] ret_from_fork_asm+0x1a/0x30 [ 5503.406588][ T73] [ 5503.408460][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.408460][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.408460][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.408460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.408460][ T73] ip6_route_add+0x1c/0x140 [ 5503.408460][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5503.408460][ T73] inet6_addr_add+0x4f8/0xa40 [ 5503.408460][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.408460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.408460][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.408460][ T73] netlink_unicast+0x449/0x710 [ 5503.408460][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.408460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.408460][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.408460][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.408460][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.408460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.408460][ T73] [ 5503.410437][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.410437][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.410437][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.410437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.410437][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5503.410437][ T73] ipv6_add_addr+0x411/0x2000 [ 5503.410437][ T73] inet6_addr_add+0x30e/0xa40 [ 5503.410437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.410437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.410437][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.410437][ T73] netlink_unicast+0x449/0x710 [ 5503.410437][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.410437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.410437][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.410437][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.410437][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.410437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.410437][ T73] [ 5503.412440][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.412440][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.412440][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.412440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.412440][ T73] ip6_route_add+0x1c/0x140 [ 5503.412440][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5503.412440][ T73] addrconf_add_dev+0xe2/0x170 [ 5503.412440][ T73] inet6_addr_add+0x12f/0xa40 [ 5503.412440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.412440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.412440][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.412440][ T73] netlink_unicast+0x449/0x710 [ 5503.412440][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.412440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.412440][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.412440][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.412440][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.412440][ T73] [ 5503.414791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.414791][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5503.414791][ T73] ipv6_find_idev+0x102/0x170 [ 5503.414791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.414791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.414791][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.414791][ T73] netlink_unicast+0x449/0x710 [ 5503.414791][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.414791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.414791][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.414791][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.414791][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.414791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.414791][ T73] [ 5503.416344][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5503.416344][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5503.416344][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5503.416344][ T73] ipv6_find_idev+0x102/0x170 [ 5503.416344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.416344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.416344][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.416344][ T73] netlink_unicast+0x449/0x710 [ 5503.416344][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.416344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.416344][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.416344][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.416344][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.416344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.416344][ T73] [ 5503.418164][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5503.418494][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.418494][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5503.418494][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5503.418494][ T73] fib6_nh_init+0xa22/0x1580 [ 5503.418494][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.418494][ T73] ip6_route_add+0x1c/0x140 [ 5503.418494][ T73] inet6_rtm_newroute+0x104/0x110 [ 5503.418494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.418494][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.418494][ T73] netlink_unicast+0x449/0x710 [ 5503.418494][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.418494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.418494][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.418494][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.418494][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.418494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.418494][ T73] [ 5503.420563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.420563][ T73] dst_init+0x84/0x4a0 [ 5503.420563][ T73] dst_alloc+0x97/0x150 [ 5503.420563][ T73] ip6_dst_alloc+0x23/0x90 [ 5503.420563][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5503.420563][ T73] ip6_pol_route+0x56f/0x840 [ 5503.420563][ T73] fib6_rule_lookup+0x456/0x630 [ 5503.420563][ T73] ip6_route_input+0x59c/0xa50 [ 5503.420563][ T73] ipv6_rcv+0x397/0x810 [ 5503.420563][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5503.420563][ T73] process_backlog+0x101/0x620 [ 5503.420563][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5503.420563][ T73] net_rx_action+0x495/0xbe0 [ 5503.420563][ T73] __do_softirq+0x1b5/0x7f6 [ 5503.420563][ T73] [ 5503.422449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.422449][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.422449][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.422449][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.422449][ T73] ip6_route_add+0x1c/0x140 [ 5503.422449][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5503.422449][ T73] inet6_addr_add+0x4f8/0xa40 [ 5503.422449][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.422449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.422449][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.422449][ T73] netlink_unicast+0x449/0x710 [ 5503.422449][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.422449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.422449][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.422449][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.422449][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.422449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.422449][ T73] [ 5503.424697][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.424697][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.424697][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.424697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.424697][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5503.424697][ T73] ipv6_add_addr+0x411/0x2000 [ 5503.424697][ T73] inet6_addr_add+0x30e/0xa40 [ 5503.424697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.424697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.424697][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.424697][ T73] netlink_unicast+0x449/0x710 [ 5503.424697][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.424697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.424697][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.424697][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.424697][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.424697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.424697][ T73] [ 5503.426959][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.426959][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.426959][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.426959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.426959][ T73] ip6_route_add+0x1c/0x140 [ 5503.426959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5503.426959][ T73] addrconf_add_dev+0xe2/0x170 [ 5503.426959][ T73] inet6_addr_add+0x12f/0xa40 [ 5503.426959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.426959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.426959][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.426959][ T73] netlink_unicast+0x449/0x710 [ 5503.426959][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.426959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.426959][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.426959][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.426959][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.426959][ T73] [ 5503.429180][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.429180][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5503.429180][ T73] ipv6_find_idev+0x102/0x170 [ 5503.429180][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.429180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.429180][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.429180][ T73] netlink_unicast+0x449/0x710 [ 5503.429180][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.429180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.429180][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.429180][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.429180][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.429180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.429180][ T73] [ 5503.430910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5503.430910][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5503.430910][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5503.430910][ T73] ipv6_find_idev+0x102/0x170 [ 5503.430910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.430910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.430910][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.430910][ T73] netlink_unicast+0x449/0x710 [ 5503.430910][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.430910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.430910][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.430910][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.430910][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.430910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.430910][ T73] [ 5503.432844][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5503.433121][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5503.433121][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.433121][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.433121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.433121][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5503.433121][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5503.433121][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5503.433121][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5503.433121][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5503.433121][ T73] addrconf_dad_begin+0x310/0x670 [ 5503.433121][ T73] addrconf_dad_work+0x10b/0xab0 [ 5503.433121][ T73] process_one_work+0x84d/0x18a0 [ 5503.433121][ T73] worker_thread+0x587/0xd30 [ 5503.433121][ T73] kthread+0x28a/0x350 [ 5503.433121][ T73] ret_from_fork+0x31/0x70 [ 5503.433121][ T73] ret_from_fork_asm+0x1a/0x30 [ 5503.433121][ T73] [ 5503.435290][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5503.435290][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.435290][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.435290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.435290][ T73] ip6_route_add+0x1c/0x140 [ 5503.435290][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5503.435290][ T73] inet6_addr_add+0x4f8/0xa40 [ 5503.435290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.435290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.435290][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.435290][ T73] netlink_unicast+0x449/0x710 [ 5503.435290][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.435290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.435290][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.435290][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.435290][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.435290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.435290][ T73] [ 5503.437539][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5503.437539][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.437539][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.437539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.437539][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5503.437539][ T73] ipv6_add_addr+0x411/0x2000 [ 5503.437539][ T73] inet6_addr_add+0x30e/0xa40 [ 5503.437539][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.437539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.437539][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.437539][ T73] netlink_unicast+0x449/0x710 [ 5503.437539][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.437539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.437539][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.437539][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.437539][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.437539][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.437539][ T73] [ 5503.439838][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5503.439838][ T73] netdev_get_by_index+0x5e/0x80 [ 5503.439838][ T73] fib6_nh_init+0x3d8/0x1580 [ 5503.439838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5503.439838][ T73] ip6_route_add+0x1c/0x140 [ 5503.439838][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5503.439838][ T73] addrconf_add_dev+0xe2/0x170 [ 5503.439838][ T73] inet6_addr_add+0x12f/0xa40 [ 5503.439838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.439838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.439838][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.439838][ T73] netlink_unicast+0x449/0x710 [ 5503.439838][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.439838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.439838][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.439838][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.439838][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.439838][ T73] [ 5503.442057][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5503.442057][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5503.442057][ T73] ipv6_find_idev+0x102/0x170 [ 5503.442057][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.442057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.442057][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.442057][ T73] netlink_unicast+0x449/0x710 [ 5503.442057][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.442057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.442057][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.442057][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.442057][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.442057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.442057][ T73] [ 5503.443784][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5503.443784][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5503.443784][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5503.443784][ T73] ipv6_find_idev+0x102/0x170 [ 5503.443784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.443784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.443784][ T73] netlink_rcv_skb+0x130/0x360 [ 5503.443784][ T73] netlink_unicast+0x449/0x710 [ 5503.443784][ T73] netlink_sendmsg+0x723/0xbe0 [ 5503.443784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5503.443784][ T73] ___sys_sendmsg+0xee/0x170 [ 5503.443784][ T73] __sys_sendmsg+0xcd/0x170 [ 5503.443784][ T73] do_syscall_64+0xc6/0x1e0 [ 5503.443784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.443784][ T73] [ 5513.446945][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5513.447341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.447341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5513.447341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5513.447341][ T73] fib6_nh_init+0xa22/0x1580 [ 5513.447341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.447341][ T73] ip6_route_add+0x1c/0x140 [ 5513.447341][ T73] inet6_rtm_newroute+0x104/0x110 [ 5513.447341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.447341][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.447341][ T73] netlink_unicast+0x449/0x710 [ 5513.447341][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.447341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.447341][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.447341][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.447341][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.447341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.447341][ T73] [ 5513.449261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.449261][ T73] dst_init+0x84/0x4a0 [ 5513.449261][ T73] dst_alloc+0x97/0x150 [ 5513.449261][ T73] ip6_dst_alloc+0x23/0x90 [ 5513.449261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5513.449261][ T73] ip6_pol_route+0x56f/0x840 [ 5513.449261][ T73] fib6_rule_lookup+0x456/0x630 [ 5513.449261][ T73] ip6_route_input+0x59c/0xa50 [ 5513.449261][ T73] ipv6_rcv+0x397/0x810 [ 5513.449261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5513.449261][ T73] process_backlog+0x101/0x620 [ 5513.449261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5513.449261][ T73] net_rx_action+0x495/0xbe0 [ 5513.449261][ T73] __do_softirq+0x1b5/0x7f6 [ 5513.449261][ T73] [ 5513.450929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.450929][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.450929][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.450929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.450929][ T73] ip6_route_add+0x1c/0x140 [ 5513.450929][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5513.450929][ T73] inet6_addr_add+0x4f8/0xa40 [ 5513.450929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.450929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.450929][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.450929][ T73] netlink_unicast+0x449/0x710 [ 5513.450929][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.450929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.450929][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.450929][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.450929][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.450929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.450929][ T73] [ 5513.452946][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.452946][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.452946][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.452946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.452946][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5513.452946][ T73] ipv6_add_addr+0x411/0x2000 [ 5513.452946][ T73] inet6_addr_add+0x30e/0xa40 [ 5513.452946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.452946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.452946][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.452946][ T73] netlink_unicast+0x449/0x710 [ 5513.452946][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.452946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.452946][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.452946][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.452946][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.452946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.452946][ T73] [ 5513.455478][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.455478][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.455478][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.455478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.455478][ T73] ip6_route_add+0x1c/0x140 [ 5513.455478][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5513.455478][ T73] addrconf_add_dev+0xe2/0x170 [ 5513.455478][ T73] inet6_addr_add+0x12f/0xa40 [ 5513.455478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.455478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.455478][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.455478][ T73] netlink_unicast+0x449/0x710 [ 5513.455478][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.455478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.455478][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.455478][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.455478][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.455478][ T73] [ 5513.457436][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.457436][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5513.457436][ T73] ipv6_find_idev+0x102/0x170 [ 5513.457436][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.457436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.457436][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.457436][ T73] netlink_unicast+0x449/0x710 [ 5513.457436][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.457436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.457436][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.457436][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.457436][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.457436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.457436][ T73] [ 5513.459036][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5513.459036][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5513.459036][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5513.459036][ T73] ipv6_find_idev+0x102/0x170 [ 5513.459036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.459036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.459036][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.459036][ T73] netlink_unicast+0x449/0x710 [ 5513.459036][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.459036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.459036][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.459036][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.459036][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.459036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.459036][ T73] [ 5513.460720][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5513.461004][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.461004][ T73] dst_init+0x84/0x4a0 [ 5513.461004][ T73] dst_alloc+0x97/0x150 [ 5513.461004][ T73] ip6_dst_alloc+0x23/0x90 [ 5513.461004][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5513.461004][ T73] ip6_pol_route+0x56f/0x840 [ 5513.461004][ T73] fib6_rule_lookup+0x456/0x630 [ 5513.461004][ T73] ip6_route_input+0x59c/0xa50 [ 5513.461004][ T73] ipv6_rcv+0x397/0x810 [ 5513.461004][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5513.461004][ T73] process_backlog+0x101/0x620 [ 5513.461004][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5513.461004][ T73] net_rx_action+0x495/0xbe0 [ 5513.461004][ T73] __do_softirq+0x1b5/0x7f6 [ 5513.461004][ T73] [ 5513.462638][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.462638][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.462638][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.462638][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.462638][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5513.462638][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5513.462638][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5513.462638][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5513.462638][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5513.462638][ T73] addrconf_dad_begin+0x310/0x670 [ 5513.462638][ T73] addrconf_dad_work+0x10b/0xab0 [ 5513.462638][ T73] process_one_work+0x84d/0x18a0 [ 5513.462638][ T73] worker_thread+0x587/0xd30 [ 5513.462638][ T73] kthread+0x28a/0x350 [ 5513.462638][ T73] ret_from_fork+0x31/0x70 [ 5513.462638][ T73] ret_from_fork_asm+0x1a/0x30 [ 5513.462638][ T73] [ 5513.464971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.464971][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.464971][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.464971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.464971][ T73] ip6_route_add+0x1c/0x140 [ 5513.464971][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5513.464971][ T73] inet6_addr_add+0x4f8/0xa40 [ 5513.464971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.464971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.464971][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.464971][ T73] netlink_unicast+0x449/0x710 [ 5513.464971][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.464971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.464971][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.464971][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.464971][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.464971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.464971][ T73] [ 5513.466975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.466975][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.466975][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.466975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.466975][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5513.466975][ T73] ipv6_add_addr+0x411/0x2000 [ 5513.466975][ T73] inet6_addr_add+0x30e/0xa40 [ 5513.466975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.466975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.466975][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.466975][ T73] netlink_unicast+0x449/0x710 [ 5513.466975][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.466975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.466975][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.466975][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.466975][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.466975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.466975][ T73] [ 5513.468961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.468961][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.468961][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.468961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.468961][ T73] ip6_route_add+0x1c/0x140 [ 5513.468961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5513.468961][ T73] addrconf_add_dev+0xe2/0x170 [ 5513.468961][ T73] inet6_addr_add+0x12f/0xa40 [ 5513.468961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.468961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.468961][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.468961][ T73] netlink_unicast+0x449/0x710 [ 5513.468961][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.468961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.468961][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.468961][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.468961][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.468961][ T73] [ 5513.470918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.470918][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5513.470918][ T73] ipv6_find_idev+0x102/0x170 [ 5513.470918][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.470918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.470918][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.470918][ T73] netlink_unicast+0x449/0x710 [ 5513.470918][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.470918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.470918][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.470918][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.470918][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.470918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.470918][ T73] [ 5513.472450][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5513.472450][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5513.472450][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5513.472450][ T73] ipv6_find_idev+0x102/0x170 [ 5513.472450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.472450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.472450][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.472450][ T73] netlink_unicast+0x449/0x710 [ 5513.472450][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.472450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.472450][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.472450][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.472450][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.472450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.472450][ T73] [ 5513.474200][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5513.474474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.474474][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5513.474474][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5513.474474][ T73] fib6_nh_init+0xa22/0x1580 [ 5513.474474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.474474][ T73] ip6_route_add+0x1c/0x140 [ 5513.474474][ T73] inet6_rtm_newroute+0x104/0x110 [ 5513.474474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.474474][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.474474][ T73] netlink_unicast+0x449/0x710 [ 5513.474474][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.474474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.474474][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.474474][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.474474][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.474474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.474474][ T73] [ 5513.476479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.476479][ T73] dst_init+0x84/0x4a0 [ 5513.476479][ T73] dst_alloc+0x97/0x150 [ 5513.476479][ T73] ip6_dst_alloc+0x23/0x90 [ 5513.476479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5513.476479][ T73] ip6_pol_route+0x56f/0x840 [ 5513.476479][ T73] fib6_rule_lookup+0x456/0x630 [ 5513.476479][ T73] ip6_route_input+0x59c/0xa50 [ 5513.476479][ T73] ipv6_rcv+0x397/0x810 [ 5513.476479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5513.476479][ T73] process_backlog+0x101/0x620 [ 5513.476479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5513.476479][ T73] net_rx_action+0x495/0xbe0 [ 5513.476479][ T73] __do_softirq+0x1b5/0x7f6 [ 5513.476479][ T73] [ 5513.478172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.478172][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.478172][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.478172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.478172][ T73] ip6_route_add+0x1c/0x140 [ 5513.478172][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5513.478172][ T73] inet6_addr_add+0x4f8/0xa40 [ 5513.478172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.478172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.478172][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.478172][ T73] netlink_unicast+0x449/0x710 [ 5513.478172][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.478172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.478172][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.478172][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.478172][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.478172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.478172][ T73] [ 5513.480659][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.480659][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.480659][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.480659][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.480659][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5513.480659][ T73] ipv6_add_addr+0x411/0x2000 [ 5513.480659][ T73] inet6_addr_add+0x30e/0xa40 [ 5513.480659][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.480659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.480659][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.480659][ T73] netlink_unicast+0x449/0x710 [ 5513.480659][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.480659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.480659][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.480659][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.480659][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.480659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.480659][ T73] [ 5513.482782][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.482782][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.482782][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.482782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.482782][ T73] ip6_route_add+0x1c/0x140 [ 5513.482782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5513.482782][ T73] addrconf_add_dev+0xe2/0x170 [ 5513.482782][ T73] inet6_addr_add+0x12f/0xa40 [ 5513.482782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.482782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.482782][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.482782][ T73] netlink_unicast+0x449/0x710 [ 5513.482782][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.482782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.482782][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.482782][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.482782][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.482782][ T73] [ 5513.484876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.484876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5513.484876][ T73] ipv6_find_idev+0x102/0x170 [ 5513.484876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.484876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.484876][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.484876][ T73] netlink_unicast+0x449/0x710 [ 5513.484876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.484876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.484876][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.484876][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.484876][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.484876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.484876][ T73] [ 5513.486550][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5513.486550][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5513.486550][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5513.486550][ T73] ipv6_find_idev+0x102/0x170 [ 5513.486550][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.486550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.486550][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.486550][ T73] netlink_unicast+0x449/0x710 [ 5513.486550][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.486550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.486550][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.486550][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.486550][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.486550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.486550][ T73] [ 5513.488310][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5513.488578][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5513.488578][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.488578][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.488578][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.488578][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5513.488578][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5513.488578][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5513.488578][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5513.488578][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5513.488578][ T73] addrconf_dad_begin+0x310/0x670 [ 5513.488578][ T73] addrconf_dad_work+0x10b/0xab0 [ 5513.488578][ T73] process_one_work+0x84d/0x18a0 [ 5513.488578][ T73] worker_thread+0x587/0xd30 [ 5513.488578][ T73] kthread+0x28a/0x350 [ 5513.488578][ T73] ret_from_fork+0x31/0x70 [ 5513.488578][ T73] ret_from_fork_asm+0x1a/0x30 [ 5513.488578][ T73] [ 5513.490622][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5513.490622][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.490622][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.490622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.490622][ T73] ip6_route_add+0x1c/0x140 [ 5513.490622][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5513.490622][ T73] inet6_addr_add+0x4f8/0xa40 [ 5513.490622][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.490622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.490622][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.490622][ T73] netlink_unicast+0x449/0x710 [ 5513.490622][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.490622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.490622][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.490622][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.490622][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.490622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.490622][ T73] [ 5513.492756][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5513.492756][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.492756][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.492756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.492756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5513.492756][ T73] ipv6_add_addr+0x411/0x2000 [ 5513.492756][ T73] inet6_addr_add+0x30e/0xa40 [ 5513.492756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.492756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.492756][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.492756][ T73] netlink_unicast+0x449/0x710 [ 5513.492756][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.492756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.492756][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.492756][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.492756][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.492756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.492756][ T73] [ 5513.494875][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5513.494875][ T73] netdev_get_by_index+0x5e/0x80 [ 5513.494875][ T73] fib6_nh_init+0x3d8/0x1580 [ 5513.494875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5513.494875][ T73] ip6_route_add+0x1c/0x140 [ 5513.494875][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5513.494875][ T73] addrconf_add_dev+0xe2/0x170 [ 5513.494875][ T73] inet6_addr_add+0x12f/0xa40 [ 5513.494875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.494875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.494875][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.494875][ T73] netlink_unicast+0x449/0x710 [ 5513.494875][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.494875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.494875][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.494875][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.494875][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.494875][ T73] [ 5513.496973][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5513.496973][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5513.496973][ T73] ipv6_find_idev+0x102/0x170 [ 5513.496973][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.496973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.496973][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.496973][ T73] netlink_unicast+0x449/0x710 [ 5513.496973][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.496973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.496973][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.496973][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.496973][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.496973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.496973][ T73] [ 5513.498577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5513.498577][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5513.498577][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5513.498577][ T73] ipv6_find_idev+0x102/0x170 [ 5513.498577][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.498577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.498577][ T73] netlink_rcv_skb+0x130/0x360 [ 5513.498577][ T73] netlink_unicast+0x449/0x710 [ 5513.498577][ T73] netlink_sendmsg+0x723/0xbe0 [ 5513.498577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5513.498577][ T73] ___sys_sendmsg+0xee/0x170 [ 5513.498577][ T73] __sys_sendmsg+0xcd/0x170 [ 5513.498577][ T73] do_syscall_64+0xc6/0x1e0 [ 5513.498577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.498577][ T73] [ 5523.742818][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5523.743262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.743262][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5523.743262][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5523.743262][ T73] fib6_nh_init+0xa22/0x1580 [ 5523.743262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.743262][ T73] ip6_route_add+0x1c/0x140 [ 5523.743262][ T73] inet6_rtm_newroute+0x104/0x110 [ 5523.743262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.743262][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.743262][ T73] netlink_unicast+0x449/0x710 [ 5523.743262][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.743262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.743262][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.743262][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.743262][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.743262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.743262][ T73] [ 5523.745170][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.745170][ T73] dst_init+0x84/0x4a0 [ 5523.745170][ T73] dst_alloc+0x97/0x150 [ 5523.745170][ T73] ip6_dst_alloc+0x23/0x90 [ 5523.745170][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5523.745170][ T73] ip6_pol_route+0x56f/0x840 [ 5523.745170][ T73] fib6_rule_lookup+0x456/0x630 [ 5523.745170][ T73] ip6_route_input+0x59c/0xa50 [ 5523.745170][ T73] ipv6_rcv+0x397/0x810 [ 5523.745170][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5523.745170][ T73] process_backlog+0x101/0x620 [ 5523.745170][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5523.745170][ T73] net_rx_action+0x495/0xbe0 [ 5523.745170][ T73] __do_softirq+0x1b5/0x7f6 [ 5523.745170][ T73] [ 5523.746810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.746810][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.746810][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.746810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.746810][ T73] ip6_route_add+0x1c/0x140 [ 5523.746810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5523.746810][ T73] inet6_addr_add+0x4f8/0xa40 [ 5523.746810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.746810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.746810][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.746810][ T73] netlink_unicast+0x449/0x710 [ 5523.746810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.746810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.746810][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.746810][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.746810][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.746810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.746810][ T73] [ 5523.748814][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.748814][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.748814][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.748814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.748814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5523.748814][ T73] ipv6_add_addr+0x411/0x2000 [ 5523.748814][ T73] inet6_addr_add+0x30e/0xa40 [ 5523.748814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.748814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.748814][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.748814][ T73] netlink_unicast+0x449/0x710 [ 5523.748814][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.748814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.748814][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.748814][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.748814][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.748814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.748814][ T73] [ 5523.750808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.750808][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.750808][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.750808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.750808][ T73] ip6_route_add+0x1c/0x140 [ 5523.750808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5523.750808][ T73] addrconf_add_dev+0xe2/0x170 [ 5523.750808][ T73] inet6_addr_add+0x12f/0xa40 [ 5523.750808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.750808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.750808][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.750808][ T73] netlink_unicast+0x449/0x710 [ 5523.750808][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.750808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.750808][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.750808][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.750808][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.750808][ T73] [ 5523.752798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.752798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5523.752798][ T73] ipv6_find_idev+0x102/0x170 [ 5523.752798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.752798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.752798][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.752798][ T73] netlink_unicast+0x449/0x710 [ 5523.752798][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.752798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.752798][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.752798][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.752798][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.752798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.752798][ T73] [ 5523.754341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5523.754341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5523.754341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5523.754341][ T73] ipv6_find_idev+0x102/0x170 [ 5523.754341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.754341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.754341][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.754341][ T73] netlink_unicast+0x449/0x710 [ 5523.754341][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.754341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.754341][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.754341][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.754341][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.754341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.754341][ T73] [ 5523.756049][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5523.756320][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.756320][ T73] dst_init+0x84/0x4a0 [ 5523.756320][ T73] dst_alloc+0x97/0x150 [ 5523.756320][ T73] ip6_dst_alloc+0x23/0x90 [ 5523.756320][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5523.756320][ T73] ip6_pol_route+0x56f/0x840 [ 5523.756320][ T73] fib6_rule_lookup+0x456/0x630 [ 5523.756320][ T73] ip6_route_input+0x59c/0xa50 [ 5523.756320][ T73] ipv6_rcv+0x397/0x810 [ 5523.756320][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5523.756320][ T73] process_backlog+0x101/0x620 [ 5523.756320][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5523.756320][ T73] net_rx_action+0x495/0xbe0 [ 5523.756320][ T73] __do_softirq+0x1b5/0x7f6 [ 5523.756320][ T73] [ 5523.757964][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.757964][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.757964][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.757964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.757964][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5523.757964][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5523.757964][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5523.757964][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5523.757964][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5523.757964][ T73] addrconf_dad_begin+0x310/0x670 [ 5523.757964][ T73] addrconf_dad_work+0x10b/0xab0 [ 5523.757964][ T73] process_one_work+0x84d/0x18a0 [ 5523.757964][ T73] worker_thread+0x587/0xd30 [ 5523.757964][ T73] kthread+0x28a/0x350 [ 5523.757964][ T73] ret_from_fork+0x31/0x70 [ 5523.757964][ T73] ret_from_fork_asm+0x1a/0x30 [ 5523.757964][ T73] [ 5523.759868][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.759868][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.759868][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.759868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.759868][ T73] ip6_route_add+0x1c/0x140 [ 5523.759868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5523.759868][ T73] inet6_addr_add+0x4f8/0xa40 [ 5523.759868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.759868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.759868][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.759868][ T73] netlink_unicast+0x449/0x710 [ 5523.759868][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.759868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.759868][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.759868][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.759868][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.759868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.759868][ T73] [ 5523.761864][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.761864][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.761864][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.761864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.761864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5523.761864][ T73] ipv6_add_addr+0x411/0x2000 [ 5523.761864][ T73] inet6_addr_add+0x30e/0xa40 [ 5523.761864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.761864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.761864][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.761864][ T73] netlink_unicast+0x449/0x710 [ 5523.761864][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.761864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.761864][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.761864][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.761864][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.761864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.761864][ T73] [ 5523.763859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.763859][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.763859][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.763859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.763859][ T73] ip6_route_add+0x1c/0x140 [ 5523.763859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5523.763859][ T73] addrconf_add_dev+0xe2/0x170 [ 5523.763859][ T73] inet6_addr_add+0x12f/0xa40 [ 5523.763859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.763859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.763859][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.763859][ T73] netlink_unicast+0x449/0x710 [ 5523.763859][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.763859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.763859][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.763859][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.763859][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.763859][ T73] [ 5523.765849][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.765849][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5523.765849][ T73] ipv6_find_idev+0x102/0x170 [ 5523.765849][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.765849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.765849][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.765849][ T73] netlink_unicast+0x449/0x710 [ 5523.765849][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.765849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.765849][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.765849][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.765849][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.765849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.765849][ T73] [ 5523.767384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5523.767384][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5523.767384][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5523.767384][ T73] ipv6_find_idev+0x102/0x170 [ 5523.767384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.767384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.767384][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.767384][ T73] netlink_unicast+0x449/0x710 [ 5523.767384][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.767384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.767384][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.767384][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.767384][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.767384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.767384][ T73] [ 5523.769179][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5523.769445][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.769445][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5523.769445][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5523.769445][ T73] fib6_nh_init+0xa22/0x1580 [ 5523.769445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.769445][ T73] ip6_route_add+0x1c/0x140 [ 5523.769445][ T73] inet6_rtm_newroute+0x104/0x110 [ 5523.769445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.769445][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.769445][ T73] netlink_unicast+0x449/0x710 [ 5523.769445][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.769445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.769445][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.769445][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.769445][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.769445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.769445][ T73] [ 5523.771634][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.771634][ T73] dst_init+0x84/0x4a0 [ 5523.771634][ T73] dst_alloc+0x97/0x150 [ 5523.771634][ T73] ip6_dst_alloc+0x23/0x90 [ 5523.771634][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5523.771634][ T73] ip6_pol_route+0x56f/0x840 [ 5523.771634][ T73] fib6_rule_lookup+0x456/0x630 [ 5523.771634][ T73] ip6_route_input+0x59c/0xa50 [ 5523.771634][ T73] ipv6_rcv+0x397/0x810 [ 5523.771634][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5523.771634][ T73] process_backlog+0x101/0x620 [ 5523.771634][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5523.771634][ T73] net_rx_action+0x495/0xbe0 [ 5523.771634][ T73] __do_softirq+0x1b5/0x7f6 [ 5523.771634][ T73] [ 5523.773832][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.773832][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.773832][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.773832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.773832][ T73] ip6_route_add+0x1c/0x140 [ 5523.773832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5523.773832][ T73] inet6_addr_add+0x4f8/0xa40 [ 5523.773832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.773832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.773832][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.773832][ T73] netlink_unicast+0x449/0x710 [ 5523.773832][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.773832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.773832][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.773832][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.773832][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.773832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.773832][ T73] [ 5523.776031][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.776031][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.776031][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.776031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.776031][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5523.776031][ T73] ipv6_add_addr+0x411/0x2000 [ 5523.776031][ T73] inet6_addr_add+0x30e/0xa40 [ 5523.776031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.776031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.776031][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.776031][ T73] netlink_unicast+0x449/0x710 [ 5523.776031][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.776031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.776031][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.776031][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.776031][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.776031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.776031][ T73] [ 5523.778279][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.778279][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.778279][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.778279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.778279][ T73] ip6_route_add+0x1c/0x140 [ 5523.778279][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5523.778279][ T73] addrconf_add_dev+0xe2/0x170 [ 5523.778279][ T73] inet6_addr_add+0x12f/0xa40 [ 5523.778279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.778279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.778279][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.778279][ T73] netlink_unicast+0x449/0x710 [ 5523.778279][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.778279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.778279][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.778279][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.778279][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.778279][ T73] [ 5523.780480][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.780480][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5523.780480][ T73] ipv6_find_idev+0x102/0x170 [ 5523.780480][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.780480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.780480][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.780480][ T73] netlink_unicast+0x449/0x710 [ 5523.780480][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.780480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.780480][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.780480][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.780480][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.780480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.780480][ T73] [ 5523.782208][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5523.782208][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5523.782208][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5523.782208][ T73] ipv6_find_idev+0x102/0x170 [ 5523.782208][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.782208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.782208][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.782208][ T73] netlink_unicast+0x449/0x710 [ 5523.782208][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.782208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.782208][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.782208][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.782208][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.782208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.782208][ T73] [ 5523.784081][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5523.784413][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5523.784413][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.784413][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.784413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.784413][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5523.784413][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5523.784413][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5523.784413][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5523.784413][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5523.784413][ T73] addrconf_dad_begin+0x310/0x670 [ 5523.784413][ T73] addrconf_dad_work+0x10b/0xab0 [ 5523.784413][ T73] process_one_work+0x84d/0x18a0 [ 5523.784413][ T73] worker_thread+0x587/0xd30 [ 5523.784413][ T73] kthread+0x28a/0x350 [ 5523.784413][ T73] ret_from_fork+0x31/0x70 [ 5523.784413][ T73] ret_from_fork_asm+0x1a/0x30 [ 5523.784413][ T73] [ 5523.786485][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5523.786485][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.786485][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.786485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.786485][ T73] ip6_route_add+0x1c/0x140 [ 5523.786485][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5523.786485][ T73] inet6_addr_add+0x4f8/0xa40 [ 5523.786485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.786485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.786485][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.786485][ T73] netlink_unicast+0x449/0x710 [ 5523.786485][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.786485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.786485][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.786485][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.786485][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.786485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.786485][ T73] [ 5523.788726][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5523.788726][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.788726][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.788726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.788726][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5523.788726][ T73] ipv6_add_addr+0x411/0x2000 [ 5523.788726][ T73] inet6_addr_add+0x30e/0xa40 [ 5523.788726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.788726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.788726][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.788726][ T73] netlink_unicast+0x449/0x710 [ 5523.788726][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.788726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.788726][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.788726][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.788726][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.788726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.788726][ T73] [ 5523.791047][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5523.791047][ T73] netdev_get_by_index+0x5e/0x80 [ 5523.791047][ T73] fib6_nh_init+0x3d8/0x1580 [ 5523.791047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5523.791047][ T73] ip6_route_add+0x1c/0x140 [ 5523.791047][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5523.791047][ T73] addrconf_add_dev+0xe2/0x170 [ 5523.791047][ T73] inet6_addr_add+0x12f/0xa40 [ 5523.791047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.791047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.791047][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.791047][ T73] netlink_unicast+0x449/0x710 [ 5523.791047][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.791047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.791047][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.791047][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.791047][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.791047][ T73] [ 5523.793255][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5523.793255][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5523.793255][ T73] ipv6_find_idev+0x102/0x170 [ 5523.793255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.793255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.793255][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.793255][ T73] netlink_unicast+0x449/0x710 [ 5523.793255][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.793255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.793255][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.793255][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.793255][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.793255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.793255][ T73] [ 5523.794984][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5523.794984][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5523.794984][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5523.794984][ T73] ipv6_find_idev+0x102/0x170 [ 5523.794984][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.794984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.794984][ T73] netlink_rcv_skb+0x130/0x360 [ 5523.794984][ T73] netlink_unicast+0x449/0x710 [ 5523.794984][ T73] netlink_sendmsg+0x723/0xbe0 [ 5523.794984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5523.794984][ T73] ___sys_sendmsg+0xee/0x170 [ 5523.794984][ T73] __sys_sendmsg+0xcd/0x170 [ 5523.794984][ T73] do_syscall_64+0xc6/0x1e0 [ 5523.794984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.794984][ T73] [ 5534.038844][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5534.039237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.039237][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5534.039237][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5534.039237][ T73] fib6_nh_init+0xa22/0x1580 [ 5534.039237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.039237][ T73] ip6_route_add+0x1c/0x140 [ 5534.039237][ T73] inet6_rtm_newroute+0x104/0x110 [ 5534.039237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.039237][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.039237][ T73] netlink_unicast+0x449/0x710 [ 5534.039237][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.039237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.039237][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.039237][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.039237][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.039237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.039237][ T73] [ 5534.041131][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.041131][ T73] dst_init+0x84/0x4a0 [ 5534.041131][ T73] dst_alloc+0x97/0x150 [ 5534.041131][ T73] ip6_dst_alloc+0x23/0x90 [ 5534.041131][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5534.041131][ T73] ip6_pol_route+0x56f/0x840 [ 5534.041131][ T73] fib6_rule_lookup+0x456/0x630 [ 5534.041131][ T73] ip6_route_input+0x59c/0xa50 [ 5534.041131][ T73] ipv6_rcv+0x397/0x810 [ 5534.041131][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5534.041131][ T73] process_backlog+0x101/0x620 [ 5534.041131][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5534.041131][ T73] net_rx_action+0x495/0xbe0 [ 5534.041131][ T73] __do_softirq+0x1b5/0x7f6 [ 5534.041131][ T73] [ 5534.042764][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.042764][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.042764][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.042764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.042764][ T73] ip6_route_add+0x1c/0x140 [ 5534.042764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5534.042764][ T73] inet6_addr_add+0x4f8/0xa40 [ 5534.042764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.042764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.042764][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.042764][ T73] netlink_unicast+0x449/0x710 [ 5534.042764][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.042764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.042764][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.042764][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.042764][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.042764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.042764][ T73] [ 5534.044765][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.044765][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.044765][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.044765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.044765][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5534.044765][ T73] ipv6_add_addr+0x411/0x2000 [ 5534.044765][ T73] inet6_addr_add+0x30e/0xa40 [ 5534.044765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.044765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.044765][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.044765][ T73] netlink_unicast+0x449/0x710 [ 5534.044765][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.044765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.044765][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.044765][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.044765][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.044765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.044765][ T73] [ 5534.046780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.046780][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.046780][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.046780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.046780][ T73] ip6_route_add+0x1c/0x140 [ 5534.046780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5534.046780][ T73] addrconf_add_dev+0xe2/0x170 [ 5534.046780][ T73] inet6_addr_add+0x12f/0xa40 [ 5534.046780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.046780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.046780][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.046780][ T73] netlink_unicast+0x449/0x710 [ 5534.046780][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.046780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.046780][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.046780][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.046780][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.046780][ T73] [ 5534.048749][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.048749][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5534.048749][ T73] ipv6_find_idev+0x102/0x170 [ 5534.048749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.048749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.048749][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.048749][ T73] netlink_unicast+0x449/0x710 [ 5534.048749][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.048749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.048749][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.048749][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.048749][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.048749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.048749][ T73] [ 5534.050304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5534.050304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5534.050304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5534.050304][ T73] ipv6_find_idev+0x102/0x170 [ 5534.050304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.050304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.050304][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.050304][ T73] netlink_unicast+0x449/0x710 [ 5534.050304][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.050304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.050304][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.050304][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.050304][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.050304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.050304][ T73] [ 5534.051993][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5534.052267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.052267][ T73] dst_init+0x84/0x4a0 [ 5534.052267][ T73] dst_alloc+0x97/0x150 [ 5534.052267][ T73] ip6_dst_alloc+0x23/0x90 [ 5534.052267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5534.052267][ T73] ip6_pol_route+0x56f/0x840 [ 5534.052267][ T73] fib6_rule_lookup+0x456/0x630 [ 5534.052267][ T73] ip6_route_input+0x59c/0xa50 [ 5534.052267][ T73] ipv6_rcv+0x397/0x810 [ 5534.052267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5534.052267][ T73] process_backlog+0x101/0x620 [ 5534.052267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5534.052267][ T73] net_rx_action+0x495/0xbe0 [ 5534.052267][ T73] __do_softirq+0x1b5/0x7f6 [ 5534.052267][ T73] [ 5534.053913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.053913][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.053913][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.053913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.053913][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5534.053913][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5534.053913][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5534.053913][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5534.053913][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5534.053913][ T73] addrconf_dad_begin+0x310/0x670 [ 5534.053913][ T73] addrconf_dad_work+0x10b/0xab0 [ 5534.053913][ T73] process_one_work+0x84d/0x18a0 [ 5534.053913][ T73] worker_thread+0x587/0xd30 [ 5534.053913][ T73] kthread+0x28a/0x350 [ 5534.053913][ T73] ret_from_fork+0x31/0x70 [ 5534.053913][ T73] ret_from_fork_asm+0x1a/0x30 [ 5534.053913][ T73] [ 5534.055837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.055837][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.055837][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.055837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.055837][ T73] ip6_route_add+0x1c/0x140 [ 5534.055837][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5534.055837][ T73] inet6_addr_add+0x4f8/0xa40 [ 5534.055837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.055837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.055837][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.055837][ T73] netlink_unicast+0x449/0x710 [ 5534.055837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.055837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.055837][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.055837][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.055837][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.055837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.055837][ T73] [ 5534.057847][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.057847][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.057847][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.057847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.057847][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5534.057847][ T73] ipv6_add_addr+0x411/0x2000 [ 5534.057847][ T73] inet6_addr_add+0x30e/0xa40 [ 5534.057847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.057847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.057847][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.057847][ T73] netlink_unicast+0x449/0x710 [ 5534.057847][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.057847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.057847][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.057847][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.057847][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.057847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.057847][ T73] [ 5534.059864][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.059864][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.059864][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.059864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.059864][ T73] ip6_route_add+0x1c/0x140 [ 5534.059864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5534.059864][ T73] addrconf_add_dev+0xe2/0x170 [ 5534.059864][ T73] inet6_addr_add+0x12f/0xa40 [ 5534.059864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.059864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.059864][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.059864][ T73] netlink_unicast+0x449/0x710 [ 5534.059864][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.059864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.059864][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.059864][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.059864][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.059864][ T73] [ 5534.061837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.061837][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5534.061837][ T73] ipv6_find_idev+0x102/0x170 [ 5534.061837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.061837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.061837][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.061837][ T73] netlink_unicast+0x449/0x710 [ 5534.061837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.061837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.061837][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.061837][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.061837][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.061837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.061837][ T73] [ 5534.063393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5534.063393][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5534.063393][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5534.063393][ T73] ipv6_find_idev+0x102/0x170 [ 5534.063393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.063393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.063393][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.063393][ T73] netlink_unicast+0x449/0x710 [ 5534.063393][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.063393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.063393][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.063393][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.063393][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.063393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.063393][ T73] [ 5534.065210][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5534.065479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.065479][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5534.065479][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5534.065479][ T73] fib6_nh_init+0xa22/0x1580 [ 5534.065479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.065479][ T73] ip6_route_add+0x1c/0x140 [ 5534.065479][ T73] inet6_rtm_newroute+0x104/0x110 [ 5534.065479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.065479][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.065479][ T73] netlink_unicast+0x449/0x710 [ 5534.065479][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.065479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.065479][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.065479][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.065479][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.065479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.065479][ T73] [ 5534.067670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.067670][ T73] dst_init+0x84/0x4a0 [ 5534.067670][ T73] dst_alloc+0x97/0x150 [ 5534.067670][ T73] ip6_dst_alloc+0x23/0x90 [ 5534.067670][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5534.067670][ T73] ip6_pol_route+0x56f/0x840 [ 5534.067670][ T73] fib6_rule_lookup+0x456/0x630 [ 5534.067670][ T73] ip6_route_input+0x59c/0xa50 [ 5534.067670][ T73] ipv6_rcv+0x397/0x810 [ 5534.067670][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5534.067670][ T73] process_backlog+0x101/0x620 [ 5534.067670][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5534.067670][ T73] net_rx_action+0x495/0xbe0 [ 5534.067670][ T73] __do_softirq+0x1b5/0x7f6 [ 5534.067670][ T73] [ 5534.069493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.069493][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.069493][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.069493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.069493][ T73] ip6_route_add+0x1c/0x140 [ 5534.069493][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5534.069493][ T73] inet6_addr_add+0x4f8/0xa40 [ 5534.069493][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.069493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.069493][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.069493][ T73] netlink_unicast+0x449/0x710 [ 5534.069493][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.069493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.069493][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.069493][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.069493][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.069493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.069493][ T73] [ 5534.071670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.071670][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.071670][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.071670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.071670][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5534.071670][ T73] ipv6_add_addr+0x411/0x2000 [ 5534.071670][ T73] inet6_addr_add+0x30e/0xa40 [ 5534.071670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.071670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.071670][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.071670][ T73] netlink_unicast+0x449/0x710 [ 5534.071670][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.071670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.071670][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.071670][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.071670][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.071670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.071670][ T73] [ 5534.073927][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.073927][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.073927][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.073927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.073927][ T73] ip6_route_add+0x1c/0x140 [ 5534.073927][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5534.073927][ T73] addrconf_add_dev+0xe2/0x170 [ 5534.073927][ T73] inet6_addr_add+0x12f/0xa40 [ 5534.073927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.073927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.073927][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.073927][ T73] netlink_unicast+0x449/0x710 [ 5534.073927][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.073927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.073927][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.073927][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.073927][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.073927][ T73] [ 5534.076209][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.076209][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5534.076209][ T73] ipv6_find_idev+0x102/0x170 [ 5534.076209][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.076209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.076209][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.076209][ T73] netlink_unicast+0x449/0x710 [ 5534.076209][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.076209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.076209][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.076209][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.076209][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.076209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.076209][ T73] [ 5534.077934][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5534.077934][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5534.077934][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5534.077934][ T73] ipv6_find_idev+0x102/0x170 [ 5534.077934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.077934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.077934][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.077934][ T73] netlink_unicast+0x449/0x710 [ 5534.077934][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.077934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.077934][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.077934][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.077934][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.077934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.077934][ T73] [ 5534.079803][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5534.080145][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5534.080145][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.080145][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.080145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.080145][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5534.080145][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5534.080145][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5534.080145][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5534.080145][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5534.080145][ T73] addrconf_dad_begin+0x310/0x670 [ 5534.080145][ T73] addrconf_dad_work+0x10b/0xab0 [ 5534.080145][ T73] process_one_work+0x84d/0x18a0 [ 5534.080145][ T73] worker_thread+0x587/0xd30 [ 5534.080145][ T73] kthread+0x28a/0x350 [ 5534.080145][ T73] ret_from_fork+0x31/0x70 [ 5534.080145][ T73] ret_from_fork_asm+0x1a/0x30 [ 5534.080145][ T73] [ 5534.082183][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5534.082183][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.082183][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.082183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.082183][ T73] ip6_route_add+0x1c/0x140 [ 5534.082183][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5534.082183][ T73] inet6_addr_add+0x4f8/0xa40 [ 5534.082183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.082183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.082183][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.082183][ T73] netlink_unicast+0x449/0x710 [ 5534.082183][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.082183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.082183][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.082183][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.082183][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.082183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.082183][ T73] [ 5534.084428][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5534.084428][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.084428][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.084428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.084428][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5534.084428][ T73] ipv6_add_addr+0x411/0x2000 [ 5534.084428][ T73] inet6_addr_add+0x30e/0xa40 [ 5534.084428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.084428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.084428][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.084428][ T73] netlink_unicast+0x449/0x710 [ 5534.084428][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.084428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.084428][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.084428][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.084428][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.084428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.084428][ T73] [ 5534.086747][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5534.086747][ T73] netdev_get_by_index+0x5e/0x80 [ 5534.086747][ T73] fib6_nh_init+0x3d8/0x1580 [ 5534.086747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5534.086747][ T73] ip6_route_add+0x1c/0x140 [ 5534.086747][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5534.086747][ T73] addrconf_add_dev+0xe2/0x170 [ 5534.086747][ T73] inet6_addr_add+0x12f/0xa40 [ 5534.086747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.086747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.086747][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.086747][ T73] netlink_unicast+0x449/0x710 [ 5534.086747][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.086747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.086747][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.086747][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.086747][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.086747][ T73] [ 5534.088967][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5534.088967][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5534.088967][ T73] ipv6_find_idev+0x102/0x170 [ 5534.088967][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.088967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.088967][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.088967][ T73] netlink_unicast+0x449/0x710 [ 5534.088967][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.088967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.088967][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.088967][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.088967][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.088967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.088967][ T73] [ 5534.090691][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5534.090691][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5534.090691][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5534.090691][ T73] ipv6_find_idev+0x102/0x170 [ 5534.090691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.090691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.090691][ T73] netlink_rcv_skb+0x130/0x360 [ 5534.090691][ T73] netlink_unicast+0x449/0x710 [ 5534.090691][ T73] netlink_sendmsg+0x723/0xbe0 [ 5534.090691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5534.090691][ T73] ___sys_sendmsg+0xee/0x170 [ 5534.090691][ T73] __sys_sendmsg+0xcd/0x170 [ 5534.090691][ T73] do_syscall_64+0xc6/0x1e0 [ 5534.090691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.090691][ T73] [ 5544.334887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5544.335296][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.335296][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5544.335296][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5544.335296][ T73] fib6_nh_init+0xa22/0x1580 [ 5544.335296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.335296][ T73] ip6_route_add+0x1c/0x140 [ 5544.335296][ T73] inet6_rtm_newroute+0x104/0x110 [ 5544.335296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.335296][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.335296][ T73] netlink_unicast+0x449/0x710 [ 5544.335296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.335296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.335296][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.335296][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.335296][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.335296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.335296][ T73] [ 5544.337184][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.337184][ T73] dst_init+0x84/0x4a0 [ 5544.337184][ T73] dst_alloc+0x97/0x150 [ 5544.337184][ T73] ip6_dst_alloc+0x23/0x90 [ 5544.337184][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5544.337184][ T73] ip6_pol_route+0x56f/0x840 [ 5544.337184][ T73] fib6_rule_lookup+0x456/0x630 [ 5544.337184][ T73] ip6_route_input+0x59c/0xa50 [ 5544.337184][ T73] ipv6_rcv+0x397/0x810 [ 5544.337184][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5544.337184][ T73] process_backlog+0x101/0x620 [ 5544.337184][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5544.337184][ T73] net_rx_action+0x495/0xbe0 [ 5544.337184][ T73] __do_softirq+0x1b5/0x7f6 [ 5544.337184][ T73] [ 5544.338816][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.338816][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.338816][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.338816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.338816][ T73] ip6_route_add+0x1c/0x140 [ 5544.338816][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5544.338816][ T73] inet6_addr_add+0x4f8/0xa40 [ 5544.338816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.338816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.338816][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.338816][ T73] netlink_unicast+0x449/0x710 [ 5544.338816][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.338816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.338816][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.338816][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.338816][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.338816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.338816][ T73] [ 5544.340813][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.340813][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.340813][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.340813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.340813][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5544.340813][ T73] ipv6_add_addr+0x411/0x2000 [ 5544.340813][ T73] inet6_addr_add+0x30e/0xa40 [ 5544.340813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.340813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.340813][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.340813][ T73] netlink_unicast+0x449/0x710 [ 5544.340813][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.340813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.340813][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.340813][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.340813][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.340813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.340813][ T73] [ 5544.342812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.342812][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.342812][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.342812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.342812][ T73] ip6_route_add+0x1c/0x140 [ 5544.342812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5544.342812][ T73] addrconf_add_dev+0xe2/0x170 [ 5544.342812][ T73] inet6_addr_add+0x12f/0xa40 [ 5544.342812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.342812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.342812][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.342812][ T73] netlink_unicast+0x449/0x710 [ 5544.342812][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.342812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.342812][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.342812][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.342812][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.342812][ T73] [ 5544.344768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.344768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5544.344768][ T73] ipv6_find_idev+0x102/0x170 [ 5544.344768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.344768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.344768][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.344768][ T73] netlink_unicast+0x449/0x710 [ 5544.344768][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.344768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.344768][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.344768][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.344768][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.344768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.344768][ T73] [ 5544.346311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5544.346311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5544.346311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5544.346311][ T73] ipv6_find_idev+0x102/0x170 [ 5544.346311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.346311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.346311][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.346311][ T73] netlink_unicast+0x449/0x710 [ 5544.346311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.346311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.346311][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.346311][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.346311][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.346311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.346311][ T73] [ 5544.347994][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5544.348267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.348267][ T73] dst_init+0x84/0x4a0 [ 5544.348267][ T73] dst_alloc+0x97/0x150 [ 5544.348267][ T73] ip6_dst_alloc+0x23/0x90 [ 5544.348267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5544.348267][ T73] ip6_pol_route+0x56f/0x840 [ 5544.348267][ T73] fib6_rule_lookup+0x456/0x630 [ 5544.348267][ T73] ip6_route_input+0x59c/0xa50 [ 5544.348267][ T73] ipv6_rcv+0x397/0x810 [ 5544.348267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5544.348267][ T73] process_backlog+0x101/0x620 [ 5544.348267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5544.348267][ T73] net_rx_action+0x495/0xbe0 [ 5544.348267][ T73] __do_softirq+0x1b5/0x7f6 [ 5544.348267][ T73] [ 5544.349907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.349907][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.349907][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.349907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.349907][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5544.349907][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5544.349907][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5544.349907][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5544.349907][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5544.349907][ T73] addrconf_dad_begin+0x310/0x670 [ 5544.349907][ T73] addrconf_dad_work+0x10b/0xab0 [ 5544.349907][ T73] process_one_work+0x84d/0x18a0 [ 5544.349907][ T73] worker_thread+0x587/0xd30 [ 5544.349907][ T73] kthread+0x28a/0x350 [ 5544.349907][ T73] ret_from_fork+0x31/0x70 [ 5544.349907][ T73] ret_from_fork_asm+0x1a/0x30 [ 5544.349907][ T73] [ 5544.351805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.351805][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.351805][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.351805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.351805][ T73] ip6_route_add+0x1c/0x140 [ 5544.351805][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5544.351805][ T73] inet6_addr_add+0x4f8/0xa40 [ 5544.351805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.351805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.351805][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.351805][ T73] netlink_unicast+0x449/0x710 [ 5544.351805][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.351805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.351805][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.351805][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.351805][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.351805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.351805][ T73] [ 5544.353794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.353794][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.353794][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.353794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.353794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5544.353794][ T73] ipv6_add_addr+0x411/0x2000 [ 5544.353794][ T73] inet6_addr_add+0x30e/0xa40 [ 5544.353794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.353794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.353794][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.353794][ T73] netlink_unicast+0x449/0x710 [ 5544.353794][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.353794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.353794][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.353794][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.353794][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.353794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.353794][ T73] [ 5544.355784][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.355784][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.355784][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.355784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.355784][ T73] ip6_route_add+0x1c/0x140 [ 5544.355784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5544.355784][ T73] addrconf_add_dev+0xe2/0x170 [ 5544.355784][ T73] inet6_addr_add+0x12f/0xa40 [ 5544.355784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.355784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.355784][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.355784][ T73] netlink_unicast+0x449/0x710 [ 5544.355784][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.355784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.355784][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.355784][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.355784][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.355784][ T73] [ 5544.357744][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.357744][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5544.357744][ T73] ipv6_find_idev+0x102/0x170 [ 5544.357744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.357744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.357744][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.357744][ T73] netlink_unicast+0x449/0x710 [ 5544.357744][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.357744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.357744][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.357744][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.357744][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.357744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.357744][ T73] [ 5544.359290][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5544.359290][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5544.359290][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5544.359290][ T73] ipv6_find_idev+0x102/0x170 [ 5544.359290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.359290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.359290][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.359290][ T73] netlink_unicast+0x449/0x710 [ 5544.359290][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.359290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.359290][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.359290][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.359290][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.359290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.359290][ T73] [ 5544.361032][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5544.361297][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.361297][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5544.361297][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5544.361297][ T73] fib6_nh_init+0xa22/0x1580 [ 5544.361297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.361297][ T73] ip6_route_add+0x1c/0x140 [ 5544.361297][ T73] inet6_rtm_newroute+0x104/0x110 [ 5544.361297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.361297][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.361297][ T73] netlink_unicast+0x449/0x710 [ 5544.361297][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.361297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.361297][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.361297][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.361297][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.361297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.361297][ T73] [ 5544.363376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.363376][ T73] dst_init+0x84/0x4a0 [ 5544.363376][ T73] dst_alloc+0x97/0x150 [ 5544.363376][ T73] ip6_dst_alloc+0x23/0x90 [ 5544.363376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5544.363376][ T73] ip6_pol_route+0x56f/0x840 [ 5544.363376][ T73] fib6_rule_lookup+0x456/0x630 [ 5544.363376][ T73] ip6_route_input+0x59c/0xa50 [ 5544.363376][ T73] ipv6_rcv+0x397/0x810 [ 5544.363376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5544.363376][ T73] process_backlog+0x101/0x620 [ 5544.363376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5544.363376][ T73] net_rx_action+0x495/0xbe0 [ 5544.363376][ T73] __do_softirq+0x1b5/0x7f6 [ 5544.363376][ T73] [ 5544.365073][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.365073][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.365073][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.365073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.365073][ T73] ip6_route_add+0x1c/0x140 [ 5544.365073][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5544.365073][ T73] inet6_addr_add+0x4f8/0xa40 [ 5544.365073][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.365073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.365073][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.365073][ T73] netlink_unicast+0x449/0x710 [ 5544.365073][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.365073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.365073][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.365073][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.365073][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.365073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.365073][ T73] [ 5544.367188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.367188][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.367188][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.367188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.367188][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5544.367188][ T73] ipv6_add_addr+0x411/0x2000 [ 5544.367188][ T73] inet6_addr_add+0x30e/0xa40 [ 5544.367188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.367188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.367188][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.367188][ T73] netlink_unicast+0x449/0x710 [ 5544.367188][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.367188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.367188][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.367188][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.367188][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.367188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.367188][ T73] [ 5544.369304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.369304][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.369304][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.369304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.369304][ T73] ip6_route_add+0x1c/0x140 [ 5544.369304][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5544.369304][ T73] addrconf_add_dev+0xe2/0x170 [ 5544.369304][ T73] inet6_addr_add+0x12f/0xa40 [ 5544.369304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.369304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.369304][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.369304][ T73] netlink_unicast+0x449/0x710 [ 5544.369304][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.369304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.369304][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.369304][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.369304][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.369304][ T73] [ 5544.371390][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.371390][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5544.371390][ T73] ipv6_find_idev+0x102/0x170 [ 5544.371390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.371390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.371390][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.371390][ T73] netlink_unicast+0x449/0x710 [ 5544.371390][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.371390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.371390][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.371390][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.371390][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.371390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.371390][ T73] [ 5544.372987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5544.372987][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5544.372987][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5544.372987][ T73] ipv6_find_idev+0x102/0x170 [ 5544.372987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.372987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.372987][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.372987][ T73] netlink_unicast+0x449/0x710 [ 5544.372987][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.372987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.372987][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.372987][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.372987][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.372987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.372987][ T73] [ 5544.374799][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5544.375080][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5544.375080][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.375080][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.375080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.375080][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5544.375080][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5544.375080][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5544.375080][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5544.375080][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5544.375080][ T73] addrconf_dad_begin+0x310/0x670 [ 5544.375080][ T73] addrconf_dad_work+0x10b/0xab0 [ 5544.375080][ T73] process_one_work+0x84d/0x18a0 [ 5544.375080][ T73] worker_thread+0x587/0xd30 [ 5544.375080][ T73] kthread+0x28a/0x350 [ 5544.375080][ T73] ret_from_fork+0x31/0x70 [ 5544.375080][ T73] ret_from_fork_asm+0x1a/0x30 [ 5544.375080][ T73] [ 5544.377111][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5544.377111][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.377111][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.377111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.377111][ T73] ip6_route_add+0x1c/0x140 [ 5544.377111][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5544.377111][ T73] inet6_addr_add+0x4f8/0xa40 [ 5544.377111][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.377111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.377111][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.377111][ T73] netlink_unicast+0x449/0x710 [ 5544.377111][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.377111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.377111][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.377111][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.377111][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.377111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.377111][ T73] [ 5544.379233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5544.379233][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.379233][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.379233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.379233][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5544.379233][ T73] ipv6_add_addr+0x411/0x2000 [ 5544.379233][ T73] inet6_addr_add+0x30e/0xa40 [ 5544.379233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.379233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.379233][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.379233][ T73] netlink_unicast+0x449/0x710 [ 5544.379233][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.379233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.379233][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.379233][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.379233][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.379233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.379233][ T73] [ 5544.381361][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5544.381361][ T73] netdev_get_by_index+0x5e/0x80 [ 5544.381361][ T73] fib6_nh_init+0x3d8/0x1580 [ 5544.381361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5544.381361][ T73] ip6_route_add+0x1c/0x140 [ 5544.381361][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5544.381361][ T73] addrconf_add_dev+0xe2/0x170 [ 5544.381361][ T73] inet6_addr_add+0x12f/0xa40 [ 5544.381361][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.381361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.381361][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.381361][ T73] netlink_unicast+0x449/0x710 [ 5544.381361][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.381361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.381361][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.381361][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.381361][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.381361][ T73] [ 5544.383459][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5544.383459][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5544.383459][ T73] ipv6_find_idev+0x102/0x170 [ 5544.383459][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.383459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.383459][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.383459][ T73] netlink_unicast+0x449/0x710 [ 5544.383459][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.383459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.383459][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.383459][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.383459][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.383459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.383459][ T73] [ 5544.385068][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5544.385068][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5544.385068][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5544.385068][ T73] ipv6_find_idev+0x102/0x170 [ 5544.385068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.385068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.385068][ T73] netlink_rcv_skb+0x130/0x360 [ 5544.385068][ T73] netlink_unicast+0x449/0x710 [ 5544.385068][ T73] netlink_sendmsg+0x723/0xbe0 [ 5544.385068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5544.385068][ T73] ___sys_sendmsg+0xee/0x170 [ 5544.385068][ T73] __sys_sendmsg+0xcd/0x170 [ 5544.385068][ T73] do_syscall_64+0xc6/0x1e0 [ 5544.385068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.385068][ T73] [ 5554.622918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5554.623297][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.623297][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5554.623297][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5554.623297][ T73] fib6_nh_init+0xa22/0x1580 [ 5554.623297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.623297][ T73] ip6_route_add+0x1c/0x140 [ 5554.623297][ T73] inet6_rtm_newroute+0x104/0x110 [ 5554.623297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.623297][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.623297][ T73] netlink_unicast+0x449/0x710 [ 5554.623297][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.623297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.623297][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.623297][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.623297][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.623297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.623297][ T73] [ 5554.625201][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.625201][ T73] dst_init+0x84/0x4a0 [ 5554.625201][ T73] dst_alloc+0x97/0x150 [ 5554.625201][ T73] ip6_dst_alloc+0x23/0x90 [ 5554.625201][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5554.625201][ T73] ip6_pol_route+0x56f/0x840 [ 5554.625201][ T73] fib6_rule_lookup+0x456/0x630 [ 5554.625201][ T73] ip6_route_input+0x59c/0xa50 [ 5554.625201][ T73] ipv6_rcv+0x397/0x810 [ 5554.625201][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5554.625201][ T73] process_backlog+0x101/0x620 [ 5554.625201][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5554.625201][ T73] net_rx_action+0x495/0xbe0 [ 5554.625201][ T73] __do_softirq+0x1b5/0x7f6 [ 5554.625201][ T73] [ 5554.626828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.626828][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.626828][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.626828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.626828][ T73] ip6_route_add+0x1c/0x140 [ 5554.626828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5554.626828][ T73] inet6_addr_add+0x4f8/0xa40 [ 5554.626828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.626828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.626828][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.626828][ T73] netlink_unicast+0x449/0x710 [ 5554.626828][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.626828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.626828][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.626828][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.626828][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.626828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.626828][ T73] [ 5554.628812][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.628812][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.628812][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.628812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.628812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5554.628812][ T73] ipv6_add_addr+0x411/0x2000 [ 5554.628812][ T73] inet6_addr_add+0x30e/0xa40 [ 5554.628812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.628812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.628812][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.628812][ T73] netlink_unicast+0x449/0x710 [ 5554.628812][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.628812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.628812][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.628812][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.628812][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.628812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.628812][ T73] [ 5554.630803][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.630803][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.630803][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.630803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.630803][ T73] ip6_route_add+0x1c/0x140 [ 5554.630803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5554.630803][ T73] addrconf_add_dev+0xe2/0x170 [ 5554.630803][ T73] inet6_addr_add+0x12f/0xa40 [ 5554.630803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.630803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.630803][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.630803][ T73] netlink_unicast+0x449/0x710 [ 5554.630803][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.630803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.630803][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.630803][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.630803][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.630803][ T73] [ 5554.632764][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.632764][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5554.632764][ T73] ipv6_find_idev+0x102/0x170 [ 5554.632764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.632764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.632764][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.632764][ T73] netlink_unicast+0x449/0x710 [ 5554.632764][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.632764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.632764][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.632764][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.632764][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.632764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.632764][ T73] [ 5554.634301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5554.634301][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5554.634301][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5554.634301][ T73] ipv6_find_idev+0x102/0x170 [ 5554.634301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.634301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.634301][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.634301][ T73] netlink_unicast+0x449/0x710 [ 5554.634301][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.634301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.634301][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.634301][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.634301][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.634301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.634301][ T73] [ 5554.635997][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5554.636270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.636270][ T73] dst_init+0x84/0x4a0 [ 5554.636270][ T73] dst_alloc+0x97/0x150 [ 5554.636270][ T73] ip6_dst_alloc+0x23/0x90 [ 5554.636270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5554.636270][ T73] ip6_pol_route+0x56f/0x840 [ 5554.636270][ T73] fib6_rule_lookup+0x456/0x630 [ 5554.636270][ T73] ip6_route_input+0x59c/0xa50 [ 5554.636270][ T73] ipv6_rcv+0x397/0x810 [ 5554.636270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5554.636270][ T73] process_backlog+0x101/0x620 [ 5554.636270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5554.636270][ T73] net_rx_action+0x495/0xbe0 [ 5554.636270][ T73] __do_softirq+0x1b5/0x7f6 [ 5554.636270][ T73] [ 5554.637920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.637920][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.637920][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.637920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.637920][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5554.637920][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5554.637920][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5554.637920][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5554.637920][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5554.637920][ T73] addrconf_dad_begin+0x310/0x670 [ 5554.637920][ T73] addrconf_dad_work+0x10b/0xab0 [ 5554.637920][ T73] process_one_work+0x84d/0x18a0 [ 5554.637920][ T73] worker_thread+0x587/0xd30 [ 5554.637920][ T73] kthread+0x28a/0x350 [ 5554.637920][ T73] ret_from_fork+0x31/0x70 [ 5554.637920][ T73] ret_from_fork_asm+0x1a/0x30 [ 5554.637920][ T73] [ 5554.639820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.639820][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.639820][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.639820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.639820][ T73] ip6_route_add+0x1c/0x140 [ 5554.639820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5554.639820][ T73] inet6_addr_add+0x4f8/0xa40 [ 5554.639820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.639820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.639820][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.639820][ T73] netlink_unicast+0x449/0x710 [ 5554.639820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.639820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.639820][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.639820][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.639820][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.639820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.639820][ T73] [ 5554.641811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.641811][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.641811][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.641811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.641811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5554.641811][ T73] ipv6_add_addr+0x411/0x2000 [ 5554.641811][ T73] inet6_addr_add+0x30e/0xa40 [ 5554.641811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.641811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.641811][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.641811][ T73] netlink_unicast+0x449/0x710 [ 5554.641811][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.641811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.641811][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.641811][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.641811][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.641811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.641811][ T73] [ 5554.643802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.643802][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.643802][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.643802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.643802][ T73] ip6_route_add+0x1c/0x140 [ 5554.643802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5554.643802][ T73] addrconf_add_dev+0xe2/0x170 [ 5554.643802][ T73] inet6_addr_add+0x12f/0xa40 [ 5554.643802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.643802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.643802][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.643802][ T73] netlink_unicast+0x449/0x710 [ 5554.643802][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.643802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.643802][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.643802][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.643802][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.643802][ T73] [ 5554.645764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.645764][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5554.645764][ T73] ipv6_find_idev+0x102/0x170 [ 5554.645764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.645764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.645764][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.645764][ T73] netlink_unicast+0x449/0x710 [ 5554.645764][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.645764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.645764][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.645764][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.645764][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.645764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.645764][ T73] [ 5554.647299][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5554.647299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5554.647299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5554.647299][ T73] ipv6_find_idev+0x102/0x170 [ 5554.647299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.647299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.647299][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.647299][ T73] netlink_unicast+0x449/0x710 [ 5554.647299][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.647299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.647299][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.647299][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.647299][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.647299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.647299][ T73] [ 5554.649105][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5554.649389][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.649389][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5554.649389][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5554.649389][ T73] fib6_nh_init+0xa22/0x1580 [ 5554.649389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.649389][ T73] ip6_route_add+0x1c/0x140 [ 5554.649389][ T73] inet6_rtm_newroute+0x104/0x110 [ 5554.649389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.649389][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.649389][ T73] netlink_unicast+0x449/0x710 [ 5554.649389][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.649389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.649389][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.649389][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.649389][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.649389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.649389][ T73] [ 5554.651457][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.651457][ T73] dst_init+0x84/0x4a0 [ 5554.651457][ T73] dst_alloc+0x97/0x150 [ 5554.651457][ T73] ip6_dst_alloc+0x23/0x90 [ 5554.651457][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5554.651457][ T73] ip6_pol_route+0x56f/0x840 [ 5554.651457][ T73] fib6_rule_lookup+0x456/0x630 [ 5554.651457][ T73] ip6_route_input+0x59c/0xa50 [ 5554.651457][ T73] ipv6_rcv+0x397/0x810 [ 5554.651457][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5554.651457][ T73] process_backlog+0x101/0x620 [ 5554.651457][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5554.651457][ T73] net_rx_action+0x495/0xbe0 [ 5554.651457][ T73] __do_softirq+0x1b5/0x7f6 [ 5554.651457][ T73] [ 5554.653272][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.653272][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.653272][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.653272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.653272][ T73] ip6_route_add+0x1c/0x140 [ 5554.653272][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5554.653272][ T73] inet6_addr_add+0x4f8/0xa40 [ 5554.653272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.653272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.653272][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.653272][ T73] netlink_unicast+0x449/0x710 [ 5554.653272][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.653272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.653272][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.653272][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.653272][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.653272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.653272][ T73] [ 5554.655570][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.655570][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.655570][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.655570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.655570][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5554.655570][ T73] ipv6_add_addr+0x411/0x2000 [ 5554.655570][ T73] inet6_addr_add+0x30e/0xa40 [ 5554.655570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.655570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.655570][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.655570][ T73] netlink_unicast+0x449/0x710 [ 5554.655570][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.655570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.655570][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.655570][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.655570][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.655570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.655570][ T73] [ 5554.657800][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.657800][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.657800][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.657800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.657800][ T73] ip6_route_add+0x1c/0x140 [ 5554.657800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5554.657800][ T73] addrconf_add_dev+0xe2/0x170 [ 5554.657800][ T73] inet6_addr_add+0x12f/0xa40 [ 5554.657800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.657800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.657800][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.657800][ T73] netlink_unicast+0x449/0x710 [ 5554.657800][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.657800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.657800][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.657800][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.657800][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.657800][ T73] [ 5554.660000][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.660000][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5554.660000][ T73] ipv6_find_idev+0x102/0x170 [ 5554.660000][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.660000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.660000][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.660000][ T73] netlink_unicast+0x449/0x710 [ 5554.660000][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.660000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.660000][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.660000][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.660000][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.660000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.660000][ T73] [ 5554.661706][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5554.661706][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5554.661706][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5554.661706][ T73] ipv6_find_idev+0x102/0x170 [ 5554.661706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.661706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.661706][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.661706][ T73] netlink_unicast+0x449/0x710 [ 5554.661706][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.661706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.661706][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.661706][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.661706][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.661706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.661706][ T73] [ 5554.663632][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5554.663909][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5554.663909][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.663909][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.663909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.663909][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5554.663909][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5554.663909][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5554.663909][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5554.663909][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5554.663909][ T73] addrconf_dad_begin+0x310/0x670 [ 5554.663909][ T73] addrconf_dad_work+0x10b/0xab0 [ 5554.663909][ T73] process_one_work+0x84d/0x18a0 [ 5554.663909][ T73] worker_thread+0x587/0xd30 [ 5554.663909][ T73] kthread+0x28a/0x350 [ 5554.663909][ T73] ret_from_fork+0x31/0x70 [ 5554.663909][ T73] ret_from_fork_asm+0x1a/0x30 [ 5554.663909][ T73] [ 5554.666061][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5554.666061][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.666061][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.666061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.666061][ T73] ip6_route_add+0x1c/0x140 [ 5554.666061][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5554.666061][ T73] inet6_addr_add+0x4f8/0xa40 [ 5554.666061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.666061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.666061][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.666061][ T73] netlink_unicast+0x449/0x710 [ 5554.666061][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.666061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.666061][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.666061][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.666061][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.666061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.666061][ T73] [ 5554.668288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5554.668288][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.668288][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.668288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.668288][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5554.668288][ T73] ipv6_add_addr+0x411/0x2000 [ 5554.668288][ T73] inet6_addr_add+0x30e/0xa40 [ 5554.668288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.668288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.668288][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.668288][ T73] netlink_unicast+0x449/0x710 [ 5554.668288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.668288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.668288][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.668288][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.668288][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.668288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.668288][ T73] [ 5554.670524][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5554.670524][ T73] netdev_get_by_index+0x5e/0x80 [ 5554.670524][ T73] fib6_nh_init+0x3d8/0x1580 [ 5554.670524][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5554.670524][ T73] ip6_route_add+0x1c/0x140 [ 5554.670524][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5554.670524][ T73] addrconf_add_dev+0xe2/0x170 [ 5554.670524][ T73] inet6_addr_add+0x12f/0xa40 [ 5554.670524][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.670524][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.670524][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.670524][ T73] netlink_unicast+0x449/0x710 [ 5554.670524][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.670524][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.670524][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.670524][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.670524][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.670524][ T73] [ 5554.672662][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5554.672662][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5554.672662][ T73] ipv6_find_idev+0x102/0x170 [ 5554.672662][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.672662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.672662][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.672662][ T73] netlink_unicast+0x449/0x710 [ 5554.672662][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.672662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.672662][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.672662][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.672662][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.672662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.672662][ T73] [ 5554.674434][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5554.674434][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5554.674434][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5554.674434][ T73] ipv6_find_idev+0x102/0x170 [ 5554.674434][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.674434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.674434][ T73] netlink_rcv_skb+0x130/0x360 [ 5554.674434][ T73] netlink_unicast+0x449/0x710 [ 5554.674434][ T73] netlink_sendmsg+0x723/0xbe0 [ 5554.674434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5554.674434][ T73] ___sys_sendmsg+0xee/0x170 [ 5554.674434][ T73] __sys_sendmsg+0xcd/0x170 [ 5554.674434][ T73] do_syscall_64+0xc6/0x1e0 [ 5554.674434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.674434][ T73] [ 5564.846966][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5564.847357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.847357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5564.847357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5564.847357][ T73] fib6_nh_init+0xa22/0x1580 [ 5564.847357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.847357][ T73] ip6_route_add+0x1c/0x140 [ 5564.847357][ T73] inet6_rtm_newroute+0x104/0x110 [ 5564.847357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.847357][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.847357][ T73] netlink_unicast+0x449/0x710 [ 5564.847357][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.847357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.847357][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.847357][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.847357][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.847357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.847357][ T73] [ 5564.849226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.849226][ T73] dst_init+0x84/0x4a0 [ 5564.849226][ T73] dst_alloc+0x97/0x150 [ 5564.849226][ T73] ip6_dst_alloc+0x23/0x90 [ 5564.849226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5564.849226][ T73] ip6_pol_route+0x56f/0x840 [ 5564.849226][ T73] fib6_rule_lookup+0x456/0x630 [ 5564.849226][ T73] ip6_route_input+0x59c/0xa50 [ 5564.849226][ T73] ipv6_rcv+0x397/0x810 [ 5564.849226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5564.849226][ T73] process_backlog+0x101/0x620 [ 5564.849226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5564.849226][ T73] net_rx_action+0x495/0xbe0 [ 5564.849226][ T73] __do_softirq+0x1b5/0x7f6 [ 5564.849226][ T73] [ 5564.850852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.850852][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.850852][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.850852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.850852][ T73] ip6_route_add+0x1c/0x140 [ 5564.850852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5564.850852][ T73] inet6_addr_add+0x4f8/0xa40 [ 5564.850852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.850852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.850852][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.850852][ T73] netlink_unicast+0x449/0x710 [ 5564.850852][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.850852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.850852][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.850852][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.850852][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.850852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.850852][ T73] [ 5564.852934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.852934][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.852934][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.852934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.852934][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5564.852934][ T73] ipv6_add_addr+0x411/0x2000 [ 5564.852934][ T73] inet6_addr_add+0x30e/0xa40 [ 5564.852934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.852934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.852934][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.852934][ T73] netlink_unicast+0x449/0x710 [ 5564.852934][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.852934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.852934][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.852934][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.852934][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.852934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.852934][ T73] [ 5564.854938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.854938][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.854938][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.854938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.854938][ T73] ip6_route_add+0x1c/0x140 [ 5564.854938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5564.854938][ T73] addrconf_add_dev+0xe2/0x170 [ 5564.854938][ T73] inet6_addr_add+0x12f/0xa40 [ 5564.854938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.854938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.854938][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.854938][ T73] netlink_unicast+0x449/0x710 [ 5564.854938][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.854938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.854938][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.854938][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.854938][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.854938][ T73] [ 5564.856902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.856902][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5564.856902][ T73] ipv6_find_idev+0x102/0x170 [ 5564.856902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.856902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.856902][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.856902][ T73] netlink_unicast+0x449/0x710 [ 5564.856902][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.856902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.856902][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.856902][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.856902][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.856902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.856902][ T73] [ 5564.858431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5564.858431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5564.858431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5564.858431][ T73] ipv6_find_idev+0x102/0x170 [ 5564.858431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.858431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.858431][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.858431][ T73] netlink_unicast+0x449/0x710 [ 5564.858431][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.858431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.858431][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.858431][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.858431][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.858431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.858431][ T73] [ 5564.860112][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5564.860384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.860384][ T73] dst_init+0x84/0x4a0 [ 5564.860384][ T73] dst_alloc+0x97/0x150 [ 5564.860384][ T73] ip6_dst_alloc+0x23/0x90 [ 5564.860384][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5564.860384][ T73] ip6_pol_route+0x56f/0x840 [ 5564.860384][ T73] fib6_rule_lookup+0x456/0x630 [ 5564.860384][ T73] ip6_route_input+0x59c/0xa50 [ 5564.860384][ T73] ipv6_rcv+0x397/0x810 [ 5564.860384][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5564.860384][ T73] process_backlog+0x101/0x620 [ 5564.860384][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5564.860384][ T73] net_rx_action+0x495/0xbe0 [ 5564.860384][ T73] __do_softirq+0x1b5/0x7f6 [ 5564.860384][ T73] [ 5564.862022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.862022][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.862022][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.862022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.862022][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5564.862022][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5564.862022][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5564.862022][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5564.862022][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5564.862022][ T73] addrconf_dad_begin+0x310/0x670 [ 5564.862022][ T73] addrconf_dad_work+0x10b/0xab0 [ 5564.862022][ T73] process_one_work+0x84d/0x18a0 [ 5564.862022][ T73] worker_thread+0x587/0xd30 [ 5564.862022][ T73] kthread+0x28a/0x350 [ 5564.862022][ T73] ret_from_fork+0x31/0x70 [ 5564.862022][ T73] ret_from_fork_asm+0x1a/0x30 [ 5564.862022][ T73] [ 5564.863921][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.863921][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.863921][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.863921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.863921][ T73] ip6_route_add+0x1c/0x140 [ 5564.863921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5564.863921][ T73] inet6_addr_add+0x4f8/0xa40 [ 5564.863921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.863921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.863921][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.863921][ T73] netlink_unicast+0x449/0x710 [ 5564.863921][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.863921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.863921][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.863921][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.863921][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.863921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.863921][ T73] [ 5564.866444][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.866444][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.866444][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.866444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.866444][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5564.866444][ T73] ipv6_add_addr+0x411/0x2000 [ 5564.866444][ T73] inet6_addr_add+0x30e/0xa40 [ 5564.866444][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.866444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.866444][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.866444][ T73] netlink_unicast+0x449/0x710 [ 5564.866444][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.866444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.866444][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.866444][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.866444][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.866444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.866444][ T73] [ 5564.868434][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.868434][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.868434][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.868434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.868434][ T73] ip6_route_add+0x1c/0x140 [ 5564.868434][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5564.868434][ T73] addrconf_add_dev+0xe2/0x170 [ 5564.868434][ T73] inet6_addr_add+0x12f/0xa40 [ 5564.868434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.868434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.868434][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.868434][ T73] netlink_unicast+0x449/0x710 [ 5564.868434][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.868434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.868434][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.868434][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.868434][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.868434][ T73] [ 5564.870377][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.870377][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5564.870377][ T73] ipv6_find_idev+0x102/0x170 [ 5564.870377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.870377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.870377][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.870377][ T73] netlink_unicast+0x449/0x710 [ 5564.870377][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.870377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.870377][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.870377][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.870377][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.870377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.870377][ T73] [ 5564.871900][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5564.871900][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5564.871900][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5564.871900][ T73] ipv6_find_idev+0x102/0x170 [ 5564.871900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.871900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.871900][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.871900][ T73] netlink_unicast+0x449/0x710 [ 5564.871900][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.871900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.871900][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.871900][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.871900][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.871900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.871900][ T73] [ 5564.873714][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5564.873999][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.873999][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5564.873999][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5564.873999][ T73] fib6_nh_init+0xa22/0x1580 [ 5564.873999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.873999][ T73] ip6_route_add+0x1c/0x140 [ 5564.873999][ T73] inet6_rtm_newroute+0x104/0x110 [ 5564.873999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.873999][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.873999][ T73] netlink_unicast+0x449/0x710 [ 5564.873999][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.873999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.873999][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.873999][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.873999][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.873999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.873999][ T73] [ 5564.876115][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.876115][ T73] dst_init+0x84/0x4a0 [ 5564.876115][ T73] dst_alloc+0x97/0x150 [ 5564.876115][ T73] ip6_dst_alloc+0x23/0x90 [ 5564.876115][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5564.876115][ T73] ip6_pol_route+0x56f/0x840 [ 5564.876115][ T73] fib6_rule_lookup+0x456/0x630 [ 5564.876115][ T73] ip6_route_input+0x59c/0xa50 [ 5564.876115][ T73] ipv6_rcv+0x397/0x810 [ 5564.876115][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5564.876115][ T73] process_backlog+0x101/0x620 [ 5564.876115][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5564.876115][ T73] net_rx_action+0x495/0xbe0 [ 5564.876115][ T73] __do_softirq+0x1b5/0x7f6 [ 5564.876115][ T73] [ 5564.877923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.877923][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.877923][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.877923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.877923][ T73] ip6_route_add+0x1c/0x140 [ 5564.877923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5564.877923][ T73] inet6_addr_add+0x4f8/0xa40 [ 5564.877923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.877923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.877923][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.877923][ T73] netlink_unicast+0x449/0x710 [ 5564.877923][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.877923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.877923][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.877923][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.877923][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.877923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.877923][ T73] [ 5564.880165][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.880165][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.880165][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.880165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.880165][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5564.880165][ T73] ipv6_add_addr+0x411/0x2000 [ 5564.880165][ T73] inet6_addr_add+0x30e/0xa40 [ 5564.880165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.880165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.880165][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.880165][ T73] netlink_unicast+0x449/0x710 [ 5564.880165][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.880165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.880165][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.880165][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.880165][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.880165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.880165][ T73] [ 5564.882768][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.882768][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.882768][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.882768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.882768][ T73] ip6_route_add+0x1c/0x140 [ 5564.882768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5564.882768][ T73] addrconf_add_dev+0xe2/0x170 [ 5564.882768][ T73] inet6_addr_add+0x12f/0xa40 [ 5564.882768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.882768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.882768][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.882768][ T73] netlink_unicast+0x449/0x710 [ 5564.882768][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.882768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.882768][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.882768][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.882768][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.882768][ T73] [ 5564.884972][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.884972][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5564.884972][ T73] ipv6_find_idev+0x102/0x170 [ 5564.884972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.884972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.884972][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.884972][ T73] netlink_unicast+0x449/0x710 [ 5564.884972][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.884972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.884972][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.884972][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.884972][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.884972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.884972][ T73] [ 5564.886675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5564.886675][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5564.886675][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5564.886675][ T73] ipv6_find_idev+0x102/0x170 [ 5564.886675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.886675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.886675][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.886675][ T73] netlink_unicast+0x449/0x710 [ 5564.886675][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.886675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.886675][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.886675][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.886675][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.886675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.886675][ T73] [ 5564.888592][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5564.889292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5564.889292][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.889292][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.889292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.889292][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5564.889292][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5564.889292][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5564.889292][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5564.889292][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5564.889292][ T73] addrconf_dad_begin+0x310/0x670 [ 5564.889292][ T73] addrconf_dad_work+0x10b/0xab0 [ 5564.889292][ T73] process_one_work+0x84d/0x18a0 [ 5564.889292][ T73] worker_thread+0x587/0xd30 [ 5564.889292][ T73] kthread+0x28a/0x350 [ 5564.889292][ T73] ret_from_fork+0x31/0x70 [ 5564.889292][ T73] ret_from_fork_asm+0x1a/0x30 [ 5564.889292][ T73] [ 5564.891188][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5564.891188][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.891188][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.891188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.891188][ T73] ip6_route_add+0x1c/0x140 [ 5564.891188][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5564.891188][ T73] inet6_addr_add+0x4f8/0xa40 [ 5564.891188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.891188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.891188][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.891188][ T73] netlink_unicast+0x449/0x710 [ 5564.891188][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.891188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.891188][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.891188][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.891188][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.891188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.891188][ T73] [ 5564.893296][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5564.893296][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.893296][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.893296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.893296][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5564.893296][ T73] ipv6_add_addr+0x411/0x2000 [ 5564.893296][ T73] inet6_addr_add+0x30e/0xa40 [ 5564.893296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.893296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.893296][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.893296][ T73] netlink_unicast+0x449/0x710 [ 5564.893296][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.893296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.893296][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.893296][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.893296][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.893296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.893296][ T73] [ 5564.895472][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5564.895472][ T73] netdev_get_by_index+0x5e/0x80 [ 5564.895472][ T73] fib6_nh_init+0x3d8/0x1580 [ 5564.895472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5564.895472][ T73] ip6_route_add+0x1c/0x140 [ 5564.895472][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5564.895472][ T73] addrconf_add_dev+0xe2/0x170 [ 5564.895472][ T73] inet6_addr_add+0x12f/0xa40 [ 5564.895472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.895472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.895472][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.895472][ T73] netlink_unicast+0x449/0x710 [ 5564.895472][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.895472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.895472][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.895472][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.895472][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.895472][ T73] [ 5564.897726][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5564.897726][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5564.897726][ T73] ipv6_find_idev+0x102/0x170 [ 5564.897726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.897726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.897726][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.897726][ T73] netlink_unicast+0x449/0x710 [ 5564.897726][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.897726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.897726][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.897726][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.897726][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.897726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.897726][ T73] [ 5564.899439][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5564.899439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5564.899439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5564.899439][ T73] ipv6_find_idev+0x102/0x170 [ 5564.899439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.899439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.899439][ T73] netlink_rcv_skb+0x130/0x360 [ 5564.899439][ T73] netlink_unicast+0x449/0x710 [ 5564.899439][ T73] netlink_sendmsg+0x723/0xbe0 [ 5564.899439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5564.899439][ T73] ___sys_sendmsg+0xee/0x170 [ 5564.899439][ T73] __sys_sendmsg+0xcd/0x170 [ 5564.899439][ T73] do_syscall_64+0xc6/0x1e0 [ 5564.899439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.899439][ T73] [ 5575.142892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5575.143284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.143284][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5575.143284][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5575.143284][ T73] fib6_nh_init+0xa22/0x1580 [ 5575.143284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.143284][ T73] ip6_route_add+0x1c/0x140 [ 5575.143284][ T73] inet6_rtm_newroute+0x104/0x110 [ 5575.143284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.143284][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.143284][ T73] netlink_unicast+0x449/0x710 [ 5575.143284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.143284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.143284][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.143284][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.143284][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.143284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.143284][ T73] [ 5575.145205][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.145205][ T73] dst_init+0x84/0x4a0 [ 5575.145205][ T73] dst_alloc+0x97/0x150 [ 5575.145205][ T73] ip6_dst_alloc+0x23/0x90 [ 5575.145205][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5575.145205][ T73] ip6_pol_route+0x56f/0x840 [ 5575.145205][ T73] fib6_rule_lookup+0x456/0x630 [ 5575.145205][ T73] ip6_route_input+0x59c/0xa50 [ 5575.145205][ T73] ipv6_rcv+0x397/0x810 [ 5575.145205][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5575.145205][ T73] process_backlog+0x101/0x620 [ 5575.145205][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5575.145205][ T73] net_rx_action+0x495/0xbe0 [ 5575.145205][ T73] __do_softirq+0x1b5/0x7f6 [ 5575.145205][ T73] [ 5575.146862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.146862][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.146862][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.146862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.146862][ T73] ip6_route_add+0x1c/0x140 [ 5575.146862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5575.146862][ T73] inet6_addr_add+0x4f8/0xa40 [ 5575.146862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.146862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.146862][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.146862][ T73] netlink_unicast+0x449/0x710 [ 5575.146862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.146862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.146862][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.146862][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.146862][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.146862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.146862][ T73] [ 5575.148884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.148884][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.148884][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.148884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.148884][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5575.148884][ T73] ipv6_add_addr+0x411/0x2000 [ 5575.148884][ T73] inet6_addr_add+0x30e/0xa40 [ 5575.148884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.148884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.148884][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.148884][ T73] netlink_unicast+0x449/0x710 [ 5575.148884][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.148884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.148884][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.148884][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.148884][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.148884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.148884][ T73] [ 5575.150868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.150868][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.150868][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.150868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.150868][ T73] ip6_route_add+0x1c/0x140 [ 5575.150868][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5575.150868][ T73] addrconf_add_dev+0xe2/0x170 [ 5575.150868][ T73] inet6_addr_add+0x12f/0xa40 [ 5575.150868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.150868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.150868][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.150868][ T73] netlink_unicast+0x449/0x710 [ 5575.150868][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.150868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.150868][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.150868][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.150868][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.150868][ T73] [ 5575.152790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.152790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5575.152790][ T73] ipv6_find_idev+0x102/0x170 [ 5575.152790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.152790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.152790][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.152790][ T73] netlink_unicast+0x449/0x710 [ 5575.152790][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.152790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.152790][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.152790][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.152790][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.152790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.152790][ T73] [ 5575.154337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5575.154337][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5575.154337][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5575.154337][ T73] ipv6_find_idev+0x102/0x170 [ 5575.154337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.154337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.154337][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.154337][ T73] netlink_unicast+0x449/0x710 [ 5575.154337][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.154337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.154337][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.154337][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.154337][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.154337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.154337][ T73] [ 5575.156054][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5575.156330][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.156330][ T73] dst_init+0x84/0x4a0 [ 5575.156330][ T73] dst_alloc+0x97/0x150 [ 5575.156330][ T73] ip6_dst_alloc+0x23/0x90 [ 5575.156330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5575.156330][ T73] ip6_pol_route+0x56f/0x840 [ 5575.156330][ T73] fib6_rule_lookup+0x456/0x630 [ 5575.156330][ T73] ip6_route_input+0x59c/0xa50 [ 5575.156330][ T73] ipv6_rcv+0x397/0x810 [ 5575.156330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5575.156330][ T73] process_backlog+0x101/0x620 [ 5575.156330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5575.156330][ T73] net_rx_action+0x495/0xbe0 [ 5575.156330][ T73] __do_softirq+0x1b5/0x7f6 [ 5575.156330][ T73] [ 5575.157983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.157983][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.157983][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.157983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.157983][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5575.157983][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5575.157983][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5575.157983][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5575.157983][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5575.157983][ T73] addrconf_dad_begin+0x310/0x670 [ 5575.157983][ T73] addrconf_dad_work+0x10b/0xab0 [ 5575.157983][ T73] process_one_work+0x84d/0x18a0 [ 5575.157983][ T73] worker_thread+0x587/0xd30 [ 5575.157983][ T73] kthread+0x28a/0x350 [ 5575.157983][ T73] ret_from_fork+0x31/0x70 [ 5575.157983][ T73] ret_from_fork_asm+0x1a/0x30 [ 5575.157983][ T73] [ 5575.159898][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.159898][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.159898][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.159898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.159898][ T73] ip6_route_add+0x1c/0x140 [ 5575.159898][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5575.159898][ T73] inet6_addr_add+0x4f8/0xa40 [ 5575.159898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.159898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.159898][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.159898][ T73] netlink_unicast+0x449/0x710 [ 5575.159898][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.159898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.159898][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.159898][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.159898][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.159898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.159898][ T73] [ 5575.161918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.161918][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.161918][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.161918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.161918][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5575.161918][ T73] ipv6_add_addr+0x411/0x2000 [ 5575.161918][ T73] inet6_addr_add+0x30e/0xa40 [ 5575.161918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.161918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.161918][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.161918][ T73] netlink_unicast+0x449/0x710 [ 5575.161918][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.161918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.161918][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.161918][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.161918][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.161918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.161918][ T73] [ 5575.163932][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.163932][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.163932][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.163932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.163932][ T73] ip6_route_add+0x1c/0x140 [ 5575.163932][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5575.163932][ T73] addrconf_add_dev+0xe2/0x170 [ 5575.163932][ T73] inet6_addr_add+0x12f/0xa40 [ 5575.163932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.163932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.163932][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.163932][ T73] netlink_unicast+0x449/0x710 [ 5575.163932][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.163932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.163932][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.163932][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.163932][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.163932][ T73] [ 5575.165917][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.165917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5575.165917][ T73] ipv6_find_idev+0x102/0x170 [ 5575.165917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.165917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.165917][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.165917][ T73] netlink_unicast+0x449/0x710 [ 5575.165917][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.165917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.165917][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.165917][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.165917][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.165917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.165917][ T73] [ 5575.167463][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5575.167463][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5575.167463][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5575.167463][ T73] ipv6_find_idev+0x102/0x170 [ 5575.167463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.167463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.167463][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.167463][ T73] netlink_unicast+0x449/0x710 [ 5575.167463][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.167463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.167463][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.167463][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.167463][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.167463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.167463][ T73] [ 5575.169278][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5575.169606][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.169606][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5575.169606][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5575.169606][ T73] fib6_nh_init+0xa22/0x1580 [ 5575.169606][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.169606][ T73] ip6_route_add+0x1c/0x140 [ 5575.169606][ T73] inet6_rtm_newroute+0x104/0x110 [ 5575.169606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.169606][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.169606][ T73] netlink_unicast+0x449/0x710 [ 5575.169606][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.169606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.169606][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.169606][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.169606][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.169606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.169606][ T73] [ 5575.171738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.171738][ T73] dst_init+0x84/0x4a0 [ 5575.171738][ T73] dst_alloc+0x97/0x150 [ 5575.171738][ T73] ip6_dst_alloc+0x23/0x90 [ 5575.171738][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5575.171738][ T73] ip6_pol_route+0x56f/0x840 [ 5575.171738][ T73] fib6_rule_lookup+0x456/0x630 [ 5575.171738][ T73] ip6_route_input+0x59c/0xa50 [ 5575.171738][ T73] ipv6_rcv+0x397/0x810 [ 5575.171738][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5575.171738][ T73] process_backlog+0x101/0x620 [ 5575.171738][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5575.171738][ T73] net_rx_action+0x495/0xbe0 [ 5575.171738][ T73] __do_softirq+0x1b5/0x7f6 [ 5575.171738][ T73] [ 5575.173563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.173563][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.173563][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.173563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.173563][ T73] ip6_route_add+0x1c/0x140 [ 5575.173563][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5575.173563][ T73] inet6_addr_add+0x4f8/0xa40 [ 5575.173563][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.173563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.173563][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.173563][ T73] netlink_unicast+0x449/0x710 [ 5575.173563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.173563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.173563][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.173563][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.173563][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.173563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.173563][ T73] [ 5575.175808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.175808][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.175808][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.175808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.175808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5575.175808][ T73] ipv6_add_addr+0x411/0x2000 [ 5575.175808][ T73] inet6_addr_add+0x30e/0xa40 [ 5575.175808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.175808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.175808][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.175808][ T73] netlink_unicast+0x449/0x710 [ 5575.175808][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.175808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.175808][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.175808][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.175808][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.175808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.175808][ T73] [ 5575.178056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.178056][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.178056][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.178056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.178056][ T73] ip6_route_add+0x1c/0x140 [ 5575.178056][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5575.178056][ T73] addrconf_add_dev+0xe2/0x170 [ 5575.178056][ T73] inet6_addr_add+0x12f/0xa40 [ 5575.178056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.178056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.178056][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.178056][ T73] netlink_unicast+0x449/0x710 [ 5575.178056][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.178056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.178056][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.178056][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.178056][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.178056][ T73] [ 5575.180335][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.180335][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5575.180335][ T73] ipv6_find_idev+0x102/0x170 [ 5575.180335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.180335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.180335][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.180335][ T73] netlink_unicast+0x449/0x710 [ 5575.180335][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.180335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.180335][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.180335][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.180335][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.180335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.180335][ T73] [ 5575.182068][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5575.182068][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5575.182068][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5575.182068][ T73] ipv6_find_idev+0x102/0x170 [ 5575.182068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.182068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.182068][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.182068][ T73] netlink_unicast+0x449/0x710 [ 5575.182068][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.182068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.182068][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.182068][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.182068][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.182068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.182068][ T73] [ 5575.183941][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5575.184217][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5575.184217][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.184217][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.184217][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.184217][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5575.184217][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5575.184217][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5575.184217][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5575.184217][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5575.184217][ T73] addrconf_dad_begin+0x310/0x670 [ 5575.184217][ T73] addrconf_dad_work+0x10b/0xab0 [ 5575.184217][ T73] process_one_work+0x84d/0x18a0 [ 5575.184217][ T73] worker_thread+0x587/0xd30 [ 5575.184217][ T73] kthread+0x28a/0x350 [ 5575.184217][ T73] ret_from_fork+0x31/0x70 [ 5575.184217][ T73] ret_from_fork_asm+0x1a/0x30 [ 5575.184217][ T73] [ 5575.186387][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5575.186387][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.186387][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.186387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.186387][ T73] ip6_route_add+0x1c/0x140 [ 5575.186387][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5575.186387][ T73] inet6_addr_add+0x4f8/0xa40 [ 5575.186387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.186387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.186387][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.186387][ T73] netlink_unicast+0x449/0x710 [ 5575.186387][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.186387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.186387][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.186387][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.186387][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.186387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.186387][ T73] [ 5575.188641][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5575.188641][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.188641][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.188641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.188641][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5575.188641][ T73] ipv6_add_addr+0x411/0x2000 [ 5575.188641][ T73] inet6_addr_add+0x30e/0xa40 [ 5575.188641][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.188641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.188641][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.188641][ T73] netlink_unicast+0x449/0x710 [ 5575.188641][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.188641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.188641][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.188641][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.188641][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.188641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.188641][ T73] [ 5575.190954][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5575.190954][ T73] netdev_get_by_index+0x5e/0x80 [ 5575.190954][ T73] fib6_nh_init+0x3d8/0x1580 [ 5575.190954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5575.190954][ T73] ip6_route_add+0x1c/0x140 [ 5575.190954][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5575.190954][ T73] addrconf_add_dev+0xe2/0x170 [ 5575.190954][ T73] inet6_addr_add+0x12f/0xa40 [ 5575.190954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.190954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.190954][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.190954][ T73] netlink_unicast+0x449/0x710 [ 5575.190954][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.190954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.190954][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.190954][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.190954][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.190954][ T73] [ 5575.193106][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5575.193106][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5575.193106][ T73] ipv6_find_idev+0x102/0x170 [ 5575.193106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.193106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.193106][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.193106][ T73] netlink_unicast+0x449/0x710 [ 5575.193106][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.193106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.193106][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.193106][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.193106][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.193106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.193106][ T73] [ 5575.194834][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5575.194834][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5575.194834][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5575.194834][ T73] ipv6_find_idev+0x102/0x170 [ 5575.194834][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.194834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.194834][ T73] netlink_rcv_skb+0x130/0x360 [ 5575.194834][ T73] netlink_unicast+0x449/0x710 [ 5575.194834][ T73] netlink_sendmsg+0x723/0xbe0 [ 5575.194834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5575.194834][ T73] ___sys_sendmsg+0xee/0x170 [ 5575.194834][ T73] __sys_sendmsg+0xcd/0x170 [ 5575.194834][ T73] do_syscall_64+0xc6/0x1e0 [ 5575.194834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.194834][ T73] [ 5585.438881][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5585.439317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.439317][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5585.439317][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5585.439317][ T73] fib6_nh_init+0xa22/0x1580 [ 5585.439317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.439317][ T73] ip6_route_add+0x1c/0x140 [ 5585.439317][ T73] inet6_rtm_newroute+0x104/0x110 [ 5585.439317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.439317][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.439317][ T73] netlink_unicast+0x449/0x710 [ 5585.439317][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.439317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.439317][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.439317][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.439317][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.439317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.439317][ T73] [ 5585.441196][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.441196][ T73] dst_init+0x84/0x4a0 [ 5585.441196][ T73] dst_alloc+0x97/0x150 [ 5585.441196][ T73] ip6_dst_alloc+0x23/0x90 [ 5585.441196][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5585.441196][ T73] ip6_pol_route+0x56f/0x840 [ 5585.441196][ T73] fib6_rule_lookup+0x456/0x630 [ 5585.441196][ T73] ip6_route_input+0x59c/0xa50 [ 5585.441196][ T73] ipv6_rcv+0x397/0x810 [ 5585.441196][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5585.441196][ T73] process_backlog+0x101/0x620 [ 5585.441196][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5585.441196][ T73] net_rx_action+0x495/0xbe0 [ 5585.441196][ T73] __do_softirq+0x1b5/0x7f6 [ 5585.441196][ T73] [ 5585.442832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.442832][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.442832][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.442832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.442832][ T73] ip6_route_add+0x1c/0x140 [ 5585.442832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5585.442832][ T73] inet6_addr_add+0x4f8/0xa40 [ 5585.442832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.442832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.442832][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.442832][ T73] netlink_unicast+0x449/0x710 [ 5585.442832][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.442832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.442832][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.442832][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.442832][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.442832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.442832][ T73] [ 5585.444840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.444840][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.444840][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.444840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.444840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5585.444840][ T73] ipv6_add_addr+0x411/0x2000 [ 5585.444840][ T73] inet6_addr_add+0x30e/0xa40 [ 5585.444840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.444840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.444840][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.444840][ T73] netlink_unicast+0x449/0x710 [ 5585.444840][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.444840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.444840][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.444840][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.444840][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.444840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.444840][ T73] [ 5585.446834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.446834][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.446834][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.446834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.446834][ T73] ip6_route_add+0x1c/0x140 [ 5585.446834][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5585.446834][ T73] addrconf_add_dev+0xe2/0x170 [ 5585.446834][ T73] inet6_addr_add+0x12f/0xa40 [ 5585.446834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.446834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.446834][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.446834][ T73] netlink_unicast+0x449/0x710 [ 5585.446834][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.446834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.446834][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.446834][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.446834][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.446834][ T73] [ 5585.448785][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.448785][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5585.448785][ T73] ipv6_find_idev+0x102/0x170 [ 5585.448785][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.448785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.448785][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.448785][ T73] netlink_unicast+0x449/0x710 [ 5585.448785][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.448785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.448785][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.448785][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.448785][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.448785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.448785][ T73] [ 5585.450314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5585.450314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5585.450314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5585.450314][ T73] ipv6_find_idev+0x102/0x170 [ 5585.450314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.450314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.450314][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.450314][ T73] netlink_unicast+0x449/0x710 [ 5585.450314][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.450314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.450314][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.450314][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.450314][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.450314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.450314][ T73] [ 5585.451986][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5585.452257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.452257][ T73] dst_init+0x84/0x4a0 [ 5585.452257][ T73] dst_alloc+0x97/0x150 [ 5585.452257][ T73] ip6_dst_alloc+0x23/0x90 [ 5585.452257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5585.452257][ T73] ip6_pol_route+0x56f/0x840 [ 5585.452257][ T73] fib6_rule_lookup+0x456/0x630 [ 5585.452257][ T73] ip6_route_input+0x59c/0xa50 [ 5585.452257][ T73] ipv6_rcv+0x397/0x810 [ 5585.452257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5585.452257][ T73] process_backlog+0x101/0x620 [ 5585.452257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5585.452257][ T73] net_rx_action+0x495/0xbe0 [ 5585.452257][ T73] __do_softirq+0x1b5/0x7f6 [ 5585.452257][ T73] [ 5585.453883][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.453883][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.453883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.453883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.453883][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5585.453883][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5585.453883][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5585.453883][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5585.453883][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5585.453883][ T73] addrconf_dad_begin+0x310/0x670 [ 5585.453883][ T73] addrconf_dad_work+0x10b/0xab0 [ 5585.453883][ T73] process_one_work+0x84d/0x18a0 [ 5585.453883][ T73] worker_thread+0x587/0xd30 [ 5585.453883][ T73] kthread+0x28a/0x350 [ 5585.453883][ T73] ret_from_fork+0x31/0x70 [ 5585.453883][ T73] ret_from_fork_asm+0x1a/0x30 [ 5585.453883][ T73] [ 5585.455779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.455779][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.455779][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.455779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.455779][ T73] ip6_route_add+0x1c/0x140 [ 5585.455779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5585.455779][ T73] inet6_addr_add+0x4f8/0xa40 [ 5585.455779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.455779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.455779][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.455779][ T73] netlink_unicast+0x449/0x710 [ 5585.455779][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.455779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.455779][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.455779][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.455779][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.455779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.455779][ T73] [ 5585.457753][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.457753][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.457753][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.457753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.457753][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5585.457753][ T73] ipv6_add_addr+0x411/0x2000 [ 5585.457753][ T73] inet6_addr_add+0x30e/0xa40 [ 5585.457753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.457753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.457753][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.457753][ T73] netlink_unicast+0x449/0x710 [ 5585.457753][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.457753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.457753][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.457753][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.457753][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.457753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.457753][ T73] [ 5585.459730][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.459730][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.459730][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.459730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.459730][ T73] ip6_route_add+0x1c/0x140 [ 5585.459730][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5585.459730][ T73] addrconf_add_dev+0xe2/0x170 [ 5585.459730][ T73] inet6_addr_add+0x12f/0xa40 [ 5585.459730][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.459730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.459730][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.459730][ T73] netlink_unicast+0x449/0x710 [ 5585.459730][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.459730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.459730][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.459730][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.459730][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.459730][ T73] [ 5585.461676][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.461676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5585.461676][ T73] ipv6_find_idev+0x102/0x170 [ 5585.461676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.461676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.461676][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.461676][ T73] netlink_unicast+0x449/0x710 [ 5585.461676][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.461676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.461676][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.461676][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.461676][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.461676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.461676][ T73] [ 5585.463208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5585.463208][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5585.463208][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5585.463208][ T73] ipv6_find_idev+0x102/0x170 [ 5585.463208][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.463208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.463208][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.463208][ T73] netlink_unicast+0x449/0x710 [ 5585.463208][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.463208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.463208][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.463208][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.463208][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.463208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.463208][ T73] [ 5585.465017][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5585.465280][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.465280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5585.465280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5585.465280][ T73] fib6_nh_init+0xa22/0x1580 [ 5585.465280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.465280][ T73] ip6_route_add+0x1c/0x140 [ 5585.465280][ T73] inet6_rtm_newroute+0x104/0x110 [ 5585.465280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.465280][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.465280][ T73] netlink_unicast+0x449/0x710 [ 5585.465280][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.465280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.465280][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.465280][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.465280][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.465280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.465280][ T73] [ 5585.467387][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.467387][ T73] dst_init+0x84/0x4a0 [ 5585.467387][ T73] dst_alloc+0x97/0x150 [ 5585.467387][ T73] ip6_dst_alloc+0x23/0x90 [ 5585.467387][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5585.467387][ T73] ip6_pol_route+0x56f/0x840 [ 5585.467387][ T73] fib6_rule_lookup+0x456/0x630 [ 5585.467387][ T73] ip6_route_input+0x59c/0xa50 [ 5585.467387][ T73] ipv6_rcv+0x397/0x810 [ 5585.467387][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5585.467387][ T73] process_backlog+0x101/0x620 [ 5585.467387][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5585.467387][ T73] net_rx_action+0x495/0xbe0 [ 5585.467387][ T73] __do_softirq+0x1b5/0x7f6 [ 5585.467387][ T73] [ 5585.469200][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.469200][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.469200][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.469200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.469200][ T73] ip6_route_add+0x1c/0x140 [ 5585.469200][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5585.469200][ T73] inet6_addr_add+0x4f8/0xa40 [ 5585.469200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.469200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.469200][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.469200][ T73] netlink_unicast+0x449/0x710 [ 5585.469200][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.469200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.469200][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.469200][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.469200][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.469200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.469200][ T73] [ 5585.471485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.471485][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.471485][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.471485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.471485][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5585.471485][ T73] ipv6_add_addr+0x411/0x2000 [ 5585.471485][ T73] inet6_addr_add+0x30e/0xa40 [ 5585.471485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.471485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.471485][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.471485][ T73] netlink_unicast+0x449/0x710 [ 5585.471485][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.471485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.471485][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.471485][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.471485][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.471485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.471485][ T73] [ 5585.473715][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.473715][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.473715][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.473715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.473715][ T73] ip6_route_add+0x1c/0x140 [ 5585.473715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5585.473715][ T73] addrconf_add_dev+0xe2/0x170 [ 5585.473715][ T73] inet6_addr_add+0x12f/0xa40 [ 5585.473715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.473715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.473715][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.473715][ T73] netlink_unicast+0x449/0x710 [ 5585.473715][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.473715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.473715][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.473715][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.473715][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.473715][ T73] [ 5585.475852][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.475852][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5585.475852][ T73] ipv6_find_idev+0x102/0x170 [ 5585.475852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.475852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.475852][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.475852][ T73] netlink_unicast+0x449/0x710 [ 5585.475852][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.475852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.475852][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.475852][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.475852][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.475852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.475852][ T73] [ 5585.477562][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5585.477562][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5585.477562][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5585.477562][ T73] ipv6_find_idev+0x102/0x170 [ 5585.477562][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.477562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.477562][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.477562][ T73] netlink_unicast+0x449/0x710 [ 5585.477562][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.477562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.477562][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.477562][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.477562][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.477562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.477562][ T73] [ 5585.479540][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5585.479813][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5585.479813][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.479813][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.479813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.479813][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5585.479813][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5585.479813][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5585.479813][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5585.479813][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5585.479813][ T73] addrconf_dad_begin+0x310/0x670 [ 5585.479813][ T73] addrconf_dad_work+0x10b/0xab0 [ 5585.479813][ T73] process_one_work+0x84d/0x18a0 [ 5585.479813][ T73] worker_thread+0x587/0xd30 [ 5585.479813][ T73] kthread+0x28a/0x350 [ 5585.479813][ T73] ret_from_fork+0x31/0x70 [ 5585.479813][ T73] ret_from_fork_asm+0x1a/0x30 [ 5585.479813][ T73] [ 5585.481953][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5585.481953][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.481953][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.481953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.481953][ T73] ip6_route_add+0x1c/0x140 [ 5585.481953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5585.481953][ T73] inet6_addr_add+0x4f8/0xa40 [ 5585.481953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.481953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.481953][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.481953][ T73] netlink_unicast+0x449/0x710 [ 5585.481953][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.481953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.481953][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.481953][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.481953][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.481953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.481953][ T73] [ 5585.484187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5585.484187][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.484187][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.484187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.484187][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5585.484187][ T73] ipv6_add_addr+0x411/0x2000 [ 5585.484187][ T73] inet6_addr_add+0x30e/0xa40 [ 5585.484187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.484187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.484187][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.484187][ T73] netlink_unicast+0x449/0x710 [ 5585.484187][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.484187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.484187][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.484187][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.484187][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.484187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.484187][ T73] [ 5585.486367][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5585.486367][ T73] netdev_get_by_index+0x5e/0x80 [ 5585.486367][ T73] fib6_nh_init+0x3d8/0x1580 [ 5585.486367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5585.486367][ T73] ip6_route_add+0x1c/0x140 [ 5585.486367][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5585.486367][ T73] addrconf_add_dev+0xe2/0x170 [ 5585.486367][ T73] inet6_addr_add+0x12f/0xa40 [ 5585.486367][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.486367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.486367][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.486367][ T73] netlink_unicast+0x449/0x710 [ 5585.486367][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.486367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.486367][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.486367][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.486367][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.486367][ T73] [ 5585.488556][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5585.488556][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5585.488556][ T73] ipv6_find_idev+0x102/0x170 [ 5585.488556][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.488556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.488556][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.488556][ T73] netlink_unicast+0x449/0x710 [ 5585.488556][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.488556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.488556][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.488556][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.488556][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.488556][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.488556][ T73] [ 5585.490330][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5585.490330][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5585.490330][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5585.490330][ T73] ipv6_find_idev+0x102/0x170 [ 5585.490330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.490330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.490330][ T73] netlink_rcv_skb+0x130/0x360 [ 5585.490330][ T73] netlink_unicast+0x449/0x710 [ 5585.490330][ T73] netlink_sendmsg+0x723/0xbe0 [ 5585.490330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5585.490330][ T73] ___sys_sendmsg+0xee/0x170 [ 5585.490330][ T73] __sys_sendmsg+0xcd/0x170 [ 5585.490330][ T73] do_syscall_64+0xc6/0x1e0 [ 5585.490330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.490330][ T73] [ 5595.726905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5595.727361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.727361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5595.727361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5595.727361][ T73] fib6_nh_init+0xa22/0x1580 [ 5595.727361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.727361][ T73] ip6_route_add+0x1c/0x140 [ 5595.727361][ T73] inet6_rtm_newroute+0x104/0x110 [ 5595.727361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.727361][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.727361][ T73] netlink_unicast+0x449/0x710 [ 5595.727361][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.727361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.727361][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.727361][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.727361][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.727361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.727361][ T73] [ 5595.729251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.729251][ T73] dst_init+0x84/0x4a0 [ 5595.729251][ T73] dst_alloc+0x97/0x150 [ 5595.729251][ T73] ip6_dst_alloc+0x23/0x90 [ 5595.729251][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5595.729251][ T73] ip6_pol_route+0x56f/0x840 [ 5595.729251][ T73] fib6_rule_lookup+0x456/0x630 [ 5595.729251][ T73] ip6_route_input+0x59c/0xa50 [ 5595.729251][ T73] ipv6_rcv+0x397/0x810 [ 5595.729251][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5595.729251][ T73] process_backlog+0x101/0x620 [ 5595.729251][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5595.729251][ T73] net_rx_action+0x495/0xbe0 [ 5595.729251][ T73] __do_softirq+0x1b5/0x7f6 [ 5595.729251][ T73] [ 5595.730889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.730889][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.730889][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.730889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.730889][ T73] ip6_route_add+0x1c/0x140 [ 5595.730889][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5595.730889][ T73] inet6_addr_add+0x4f8/0xa40 [ 5595.730889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.730889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.730889][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.730889][ T73] netlink_unicast+0x449/0x710 [ 5595.730889][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.730889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.730889][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.730889][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.730889][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.730889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.730889][ T73] [ 5595.732886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.732886][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.732886][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.732886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.732886][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5595.732886][ T73] ipv6_add_addr+0x411/0x2000 [ 5595.732886][ T73] inet6_addr_add+0x30e/0xa40 [ 5595.732886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.732886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.732886][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.732886][ T73] netlink_unicast+0x449/0x710 [ 5595.732886][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.732886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.732886][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.732886][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.732886][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.732886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.732886][ T73] [ 5595.734888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.734888][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.734888][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.734888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.734888][ T73] ip6_route_add+0x1c/0x140 [ 5595.734888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5595.734888][ T73] addrconf_add_dev+0xe2/0x170 [ 5595.734888][ T73] inet6_addr_add+0x12f/0xa40 [ 5595.734888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.734888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.734888][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.734888][ T73] netlink_unicast+0x449/0x710 [ 5595.734888][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.734888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.734888][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.734888][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.734888][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.734888][ T73] [ 5595.736862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.736862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5595.736862][ T73] ipv6_find_idev+0x102/0x170 [ 5595.736862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.736862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.736862][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.736862][ T73] netlink_unicast+0x449/0x710 [ 5595.736862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.736862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.736862][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.736862][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.736862][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.736862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.736862][ T73] [ 5595.738393][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5595.738393][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5595.738393][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5595.738393][ T73] ipv6_find_idev+0x102/0x170 [ 5595.738393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.738393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.738393][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.738393][ T73] netlink_unicast+0x449/0x710 [ 5595.738393][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.738393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.738393][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.738393][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.738393][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.738393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.738393][ T73] [ 5595.740087][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5595.740359][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.740359][ T73] dst_init+0x84/0x4a0 [ 5595.740359][ T73] dst_alloc+0x97/0x150 [ 5595.740359][ T73] ip6_dst_alloc+0x23/0x90 [ 5595.740359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5595.740359][ T73] ip6_pol_route+0x56f/0x840 [ 5595.740359][ T73] fib6_rule_lookup+0x456/0x630 [ 5595.740359][ T73] ip6_route_input+0x59c/0xa50 [ 5595.740359][ T73] ipv6_rcv+0x397/0x810 [ 5595.740359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5595.740359][ T73] process_backlog+0x101/0x620 [ 5595.740359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5595.740359][ T73] net_rx_action+0x495/0xbe0 [ 5595.740359][ T73] __do_softirq+0x1b5/0x7f6 [ 5595.740359][ T73] [ 5595.741995][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.741995][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.741995][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.741995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.741995][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5595.741995][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5595.741995][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5595.741995][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5595.741995][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5595.741995][ T73] addrconf_dad_begin+0x310/0x670 [ 5595.741995][ T73] addrconf_dad_work+0x10b/0xab0 [ 5595.741995][ T73] process_one_work+0x84d/0x18a0 [ 5595.741995][ T73] worker_thread+0x587/0xd30 [ 5595.741995][ T73] kthread+0x28a/0x350 [ 5595.741995][ T73] ret_from_fork+0x31/0x70 [ 5595.741995][ T73] ret_from_fork_asm+0x1a/0x30 [ 5595.741995][ T73] [ 5595.743895][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.743895][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.743895][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.743895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.743895][ T73] ip6_route_add+0x1c/0x140 [ 5595.743895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5595.743895][ T73] inet6_addr_add+0x4f8/0xa40 [ 5595.743895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.743895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.743895][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.743895][ T73] netlink_unicast+0x449/0x710 [ 5595.743895][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.743895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.743895][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.743895][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.743895][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.743895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.743895][ T73] [ 5595.745899][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.745899][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.745899][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.745899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.745899][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5595.745899][ T73] ipv6_add_addr+0x411/0x2000 [ 5595.745899][ T73] inet6_addr_add+0x30e/0xa40 [ 5595.745899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.745899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.745899][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.745899][ T73] netlink_unicast+0x449/0x710 [ 5595.745899][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.745899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.745899][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.745899][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.745899][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.745899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.745899][ T73] [ 5595.747881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.747881][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.747881][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.747881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.747881][ T73] ip6_route_add+0x1c/0x140 [ 5595.747881][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5595.747881][ T73] addrconf_add_dev+0xe2/0x170 [ 5595.747881][ T73] inet6_addr_add+0x12f/0xa40 [ 5595.747881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.747881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.747881][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.747881][ T73] netlink_unicast+0x449/0x710 [ 5595.747881][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.747881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.747881][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.747881][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.747881][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.747881][ T73] [ 5595.749830][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.749830][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5595.749830][ T73] ipv6_find_idev+0x102/0x170 [ 5595.749830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.749830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.749830][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.749830][ T73] netlink_unicast+0x449/0x710 [ 5595.749830][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.749830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.749830][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.749830][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.749830][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.749830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.749830][ T73] [ 5595.751359][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5595.751359][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5595.751359][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5595.751359][ T73] ipv6_find_idev+0x102/0x170 [ 5595.751359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.751359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.751359][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.751359][ T73] netlink_unicast+0x449/0x710 [ 5595.751359][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.751359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.751359][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.751359][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.751359][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.751359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.751359][ T73] [ 5595.753081][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5595.753402][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.753402][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5595.753402][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5595.753402][ T73] fib6_nh_init+0xa22/0x1580 [ 5595.753402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.753402][ T73] ip6_route_add+0x1c/0x140 [ 5595.753402][ T73] inet6_rtm_newroute+0x104/0x110 [ 5595.753402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.753402][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.753402][ T73] netlink_unicast+0x449/0x710 [ 5595.753402][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.753402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.753402][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.753402][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.753402][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.753402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.753402][ T73] [ 5595.755467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.755467][ T73] dst_init+0x84/0x4a0 [ 5595.755467][ T73] dst_alloc+0x97/0x150 [ 5595.755467][ T73] ip6_dst_alloc+0x23/0x90 [ 5595.755467][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5595.755467][ T73] ip6_pol_route+0x56f/0x840 [ 5595.755467][ T73] fib6_rule_lookup+0x456/0x630 [ 5595.755467][ T73] ip6_route_input+0x59c/0xa50 [ 5595.755467][ T73] ipv6_rcv+0x397/0x810 [ 5595.755467][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5595.755467][ T73] process_backlog+0x101/0x620 [ 5595.755467][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5595.755467][ T73] net_rx_action+0x495/0xbe0 [ 5595.755467][ T73] __do_softirq+0x1b5/0x7f6 [ 5595.755467][ T73] [ 5595.757268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.757268][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.757268][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.757268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.757268][ T73] ip6_route_add+0x1c/0x140 [ 5595.757268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5595.757268][ T73] inet6_addr_add+0x4f8/0xa40 [ 5595.757268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.757268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.757268][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.757268][ T73] netlink_unicast+0x449/0x710 [ 5595.757268][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.757268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.757268][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.757268][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.757268][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.757268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.757268][ T73] [ 5595.759492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.759492][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.759492][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.759492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.759492][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5595.759492][ T73] ipv6_add_addr+0x411/0x2000 [ 5595.759492][ T73] inet6_addr_add+0x30e/0xa40 [ 5595.759492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.759492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.759492][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.759492][ T73] netlink_unicast+0x449/0x710 [ 5595.759492][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.759492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.759492][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.759492][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.759492][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.759492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.759492][ T73] [ 5595.761655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.761655][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.761655][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.761655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.761655][ T73] ip6_route_add+0x1c/0x140 [ 5595.761655][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5595.761655][ T73] addrconf_add_dev+0xe2/0x170 [ 5595.761655][ T73] inet6_addr_add+0x12f/0xa40 [ 5595.761655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.761655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.761655][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.761655][ T73] netlink_unicast+0x449/0x710 [ 5595.761655][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.761655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.761655][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.761655][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.761655][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.761655][ T73] [ 5595.763909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.763909][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5595.763909][ T73] ipv6_find_idev+0x102/0x170 [ 5595.763909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.763909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.763909][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.763909][ T73] netlink_unicast+0x449/0x710 [ 5595.763909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.763909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.763909][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.763909][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.763909][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.763909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.763909][ T73] [ 5595.765639][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5595.765639][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5595.765639][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5595.765639][ T73] ipv6_find_idev+0x102/0x170 [ 5595.765639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.765639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.765639][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.765639][ T73] netlink_unicast+0x449/0x710 [ 5595.765639][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.765639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.765639][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.765639][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.765639][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.765639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.765639][ T73] [ 5595.767502][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5595.767896][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5595.767896][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.767896][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.767896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.767896][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5595.767896][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5595.767896][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5595.767896][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5595.767896][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5595.767896][ T73] addrconf_dad_begin+0x310/0x670 [ 5595.767896][ T73] addrconf_dad_work+0x10b/0xab0 [ 5595.767896][ T73] process_one_work+0x84d/0x18a0 [ 5595.767896][ T73] worker_thread+0x587/0xd30 [ 5595.767896][ T73] kthread+0x28a/0x350 [ 5595.767896][ T73] ret_from_fork+0x31/0x70 [ 5595.767896][ T73] ret_from_fork_asm+0x1a/0x30 [ 5595.767896][ T73] [ 5595.769990][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5595.769990][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.769990][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.769990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.769990][ T73] ip6_route_add+0x1c/0x140 [ 5595.769990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5595.769990][ T73] inet6_addr_add+0x4f8/0xa40 [ 5595.769990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.769990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.769990][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.769990][ T73] netlink_unicast+0x449/0x710 [ 5595.769990][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.769990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.769990][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.769990][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.769990][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.769990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.769990][ T73] [ 5595.772162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5595.772162][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.772162][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.772162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.772162][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5595.772162][ T73] ipv6_add_addr+0x411/0x2000 [ 5595.772162][ T73] inet6_addr_add+0x30e/0xa40 [ 5595.772162][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.772162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.772162][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.772162][ T73] netlink_unicast+0x449/0x710 [ 5595.772162][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.772162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.772162][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.772162][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.772162][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.772162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.772162][ T73] [ 5595.774455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5595.774455][ T73] netdev_get_by_index+0x5e/0x80 [ 5595.774455][ T73] fib6_nh_init+0x3d8/0x1580 [ 5595.774455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5595.774455][ T73] ip6_route_add+0x1c/0x140 [ 5595.774455][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5595.774455][ T73] addrconf_add_dev+0xe2/0x170 [ 5595.774455][ T73] inet6_addr_add+0x12f/0xa40 [ 5595.774455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.774455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.774455][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.774455][ T73] netlink_unicast+0x449/0x710 [ 5595.774455][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.774455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.774455][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.774455][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.774455][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.774455][ T73] [ 5595.776649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5595.776649][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5595.776649][ T73] ipv6_find_idev+0x102/0x170 [ 5595.776649][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.776649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.776649][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.776649][ T73] netlink_unicast+0x449/0x710 [ 5595.776649][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.776649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.776649][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.776649][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.776649][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.776649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.776649][ T73] [ 5595.778358][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5595.778358][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5595.778358][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5595.778358][ T73] ipv6_find_idev+0x102/0x170 [ 5595.778358][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.778358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.778358][ T73] netlink_rcv_skb+0x130/0x360 [ 5595.778358][ T73] netlink_unicast+0x449/0x710 [ 5595.778358][ T73] netlink_sendmsg+0x723/0xbe0 [ 5595.778358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5595.778358][ T73] ___sys_sendmsg+0xee/0x170 [ 5595.778358][ T73] __sys_sendmsg+0xcd/0x170 [ 5595.778358][ T73] do_syscall_64+0xc6/0x1e0 [ 5595.778358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.778358][ T73] [ 5606.022911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5606.023356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.023356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5606.023356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5606.023356][ T73] fib6_nh_init+0xa22/0x1580 [ 5606.023356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.023356][ T73] ip6_route_add+0x1c/0x140 [ 5606.023356][ T73] inet6_rtm_newroute+0x104/0x110 [ 5606.023356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.023356][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.023356][ T73] netlink_unicast+0x449/0x710 [ 5606.023356][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.023356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.023356][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.023356][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.023356][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.023356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.023356][ T73] [ 5606.025253][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.025253][ T73] dst_init+0x84/0x4a0 [ 5606.025253][ T73] dst_alloc+0x97/0x150 [ 5606.025253][ T73] ip6_dst_alloc+0x23/0x90 [ 5606.025253][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5606.025253][ T73] ip6_pol_route+0x56f/0x840 [ 5606.025253][ T73] fib6_rule_lookup+0x456/0x630 [ 5606.025253][ T73] ip6_route_input+0x59c/0xa50 [ 5606.025253][ T73] ipv6_rcv+0x397/0x810 [ 5606.025253][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5606.025253][ T73] process_backlog+0x101/0x620 [ 5606.025253][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5606.025253][ T73] net_rx_action+0x495/0xbe0 [ 5606.025253][ T73] __do_softirq+0x1b5/0x7f6 [ 5606.025253][ T73] [ 5606.026887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.026887][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.026887][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.026887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.026887][ T73] ip6_route_add+0x1c/0x140 [ 5606.026887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5606.026887][ T73] inet6_addr_add+0x4f8/0xa40 [ 5606.026887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.026887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.026887][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.026887][ T73] netlink_unicast+0x449/0x710 [ 5606.026887][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.026887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.026887][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.026887][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.026887][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.026887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.026887][ T73] [ 5606.028874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.028874][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.028874][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.028874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.028874][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5606.028874][ T73] ipv6_add_addr+0x411/0x2000 [ 5606.028874][ T73] inet6_addr_add+0x30e/0xa40 [ 5606.028874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.028874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.028874][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.028874][ T73] netlink_unicast+0x449/0x710 [ 5606.028874][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.028874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.028874][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.028874][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.028874][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.028874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.028874][ T73] [ 5606.030863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.030863][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.030863][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.030863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.030863][ T73] ip6_route_add+0x1c/0x140 [ 5606.030863][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5606.030863][ T73] addrconf_add_dev+0xe2/0x170 [ 5606.030863][ T73] inet6_addr_add+0x12f/0xa40 [ 5606.030863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.030863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.030863][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.030863][ T73] netlink_unicast+0x449/0x710 [ 5606.030863][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.030863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.030863][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.030863][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.030863][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.030863][ T73] [ 5606.032810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.032810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5606.032810][ T73] ipv6_find_idev+0x102/0x170 [ 5606.032810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.032810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.032810][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.032810][ T73] netlink_unicast+0x449/0x710 [ 5606.032810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.032810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.032810][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.032810][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.032810][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.032810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.032810][ T73] [ 5606.034341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5606.034341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5606.034341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5606.034341][ T73] ipv6_find_idev+0x102/0x170 [ 5606.034341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.034341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.034341][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.034341][ T73] netlink_unicast+0x449/0x710 [ 5606.034341][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.034341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.034341][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.034341][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.034341][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.034341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.034341][ T73] [ 5606.036029][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5606.036302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.036302][ T73] dst_init+0x84/0x4a0 [ 5606.036302][ T73] dst_alloc+0x97/0x150 [ 5606.036302][ T73] ip6_dst_alloc+0x23/0x90 [ 5606.036302][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5606.036302][ T73] ip6_pol_route+0x56f/0x840 [ 5606.036302][ T73] fib6_rule_lookup+0x456/0x630 [ 5606.036302][ T73] ip6_route_input+0x59c/0xa50 [ 5606.036302][ T73] ipv6_rcv+0x397/0x810 [ 5606.036302][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5606.036302][ T73] process_backlog+0x101/0x620 [ 5606.036302][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5606.036302][ T73] net_rx_action+0x495/0xbe0 [ 5606.036302][ T73] __do_softirq+0x1b5/0x7f6 [ 5606.036302][ T73] [ 5606.037928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.037928][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.037928][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.037928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.037928][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5606.037928][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5606.037928][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5606.037928][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5606.037928][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5606.037928][ T73] addrconf_dad_begin+0x310/0x670 [ 5606.037928][ T73] addrconf_dad_work+0x10b/0xab0 [ 5606.037928][ T73] process_one_work+0x84d/0x18a0 [ 5606.037928][ T73] worker_thread+0x587/0xd30 [ 5606.037928][ T73] kthread+0x28a/0x350 [ 5606.037928][ T73] ret_from_fork+0x31/0x70 [ 5606.037928][ T73] ret_from_fork_asm+0x1a/0x30 [ 5606.037928][ T73] [ 5606.039833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.039833][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.039833][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.039833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.039833][ T73] ip6_route_add+0x1c/0x140 [ 5606.039833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5606.039833][ T73] inet6_addr_add+0x4f8/0xa40 [ 5606.039833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.039833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.039833][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.039833][ T73] netlink_unicast+0x449/0x710 [ 5606.039833][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.039833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.039833][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.039833][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.039833][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.039833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.039833][ T73] [ 5606.041811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.041811][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.041811][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.041811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.041811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5606.041811][ T73] ipv6_add_addr+0x411/0x2000 [ 5606.041811][ T73] inet6_addr_add+0x30e/0xa40 [ 5606.041811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.041811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.041811][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.041811][ T73] netlink_unicast+0x449/0x710 [ 5606.041811][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.041811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.041811][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.041811][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.041811][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.041811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.041811][ T73] [ 5606.043789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.043789][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.043789][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.043789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.043789][ T73] ip6_route_add+0x1c/0x140 [ 5606.043789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5606.043789][ T73] addrconf_add_dev+0xe2/0x170 [ 5606.043789][ T73] inet6_addr_add+0x12f/0xa40 [ 5606.043789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.043789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.043789][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.043789][ T73] netlink_unicast+0x449/0x710 [ 5606.043789][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.043789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.043789][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.043789][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.043789][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.043789][ T73] [ 5606.045741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.045741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5606.045741][ T73] ipv6_find_idev+0x102/0x170 [ 5606.045741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.045741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.045741][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.045741][ T73] netlink_unicast+0x449/0x710 [ 5606.045741][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.045741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.045741][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.045741][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.045741][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.045741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.045741][ T73] [ 5606.047267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5606.047267][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5606.047267][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5606.047267][ T73] ipv6_find_idev+0x102/0x170 [ 5606.047267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.047267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.047267][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.047267][ T73] netlink_unicast+0x449/0x710 [ 5606.047267][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.047267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.047267][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.047267][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.047267][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.047267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.047267][ T73] [ 5606.048983][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5606.049307][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.049307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5606.049307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5606.049307][ T73] fib6_nh_init+0xa22/0x1580 [ 5606.049307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.049307][ T73] ip6_route_add+0x1c/0x140 [ 5606.049307][ T73] inet6_rtm_newroute+0x104/0x110 [ 5606.049307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.049307][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.049307][ T73] netlink_unicast+0x449/0x710 [ 5606.049307][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.049307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.049307][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.049307][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.049307][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.049307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.049307][ T73] [ 5606.051340][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.051340][ T73] dst_init+0x84/0x4a0 [ 5606.051340][ T73] dst_alloc+0x97/0x150 [ 5606.051340][ T73] ip6_dst_alloc+0x23/0x90 [ 5606.051340][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5606.051340][ T73] ip6_pol_route+0x56f/0x840 [ 5606.051340][ T73] fib6_rule_lookup+0x456/0x630 [ 5606.051340][ T73] ip6_route_input+0x59c/0xa50 [ 5606.051340][ T73] ipv6_rcv+0x397/0x810 [ 5606.051340][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5606.051340][ T73] process_backlog+0x101/0x620 [ 5606.051340][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5606.051340][ T73] net_rx_action+0x495/0xbe0 [ 5606.051340][ T73] __do_softirq+0x1b5/0x7f6 [ 5606.051340][ T73] [ 5606.053146][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.053146][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.053146][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.053146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.053146][ T73] ip6_route_add+0x1c/0x140 [ 5606.053146][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5606.053146][ T73] inet6_addr_add+0x4f8/0xa40 [ 5606.053146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.053146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.053146][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.053146][ T73] netlink_unicast+0x449/0x710 [ 5606.053146][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.053146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.053146][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.053146][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.053146][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.053146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.053146][ T73] [ 5606.055444][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.055444][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.055444][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.055444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.055444][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5606.055444][ T73] ipv6_add_addr+0x411/0x2000 [ 5606.055444][ T73] inet6_addr_add+0x30e/0xa40 [ 5606.055444][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.055444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.055444][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.055444][ T73] netlink_unicast+0x449/0x710 [ 5606.055444][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.055444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.055444][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.055444][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.055444][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.055444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.055444][ T73] [ 5606.057679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.057679][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.057679][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.057679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.057679][ T73] ip6_route_add+0x1c/0x140 [ 5606.057679][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5606.057679][ T73] addrconf_add_dev+0xe2/0x170 [ 5606.057679][ T73] inet6_addr_add+0x12f/0xa40 [ 5606.057679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.057679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.057679][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.057679][ T73] netlink_unicast+0x449/0x710 [ 5606.057679][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.057679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.057679][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.057679][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.057679][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.057679][ T73] [ 5606.059883][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.059883][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5606.059883][ T73] ipv6_find_idev+0x102/0x170 [ 5606.059883][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.059883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.059883][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.059883][ T73] netlink_unicast+0x449/0x710 [ 5606.059883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.059883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.059883][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.059883][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.059883][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.059883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.059883][ T73] [ 5606.061590][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5606.061590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5606.061590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5606.061590][ T73] ipv6_find_idev+0x102/0x170 [ 5606.061590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.061590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.061590][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.061590][ T73] netlink_unicast+0x449/0x710 [ 5606.061590][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.061590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.061590][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.061590][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.061590][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.061590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.061590][ T73] [ 5606.063432][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5606.063754][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5606.063754][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.063754][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.063754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.063754][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5606.063754][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5606.063754][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5606.063754][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5606.063754][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5606.063754][ T73] addrconf_dad_begin+0x310/0x670 [ 5606.063754][ T73] addrconf_dad_work+0x10b/0xab0 [ 5606.063754][ T73] process_one_work+0x84d/0x18a0 [ 5606.063754][ T73] worker_thread+0x587/0xd30 [ 5606.063754][ T73] kthread+0x28a/0x350 [ 5606.063754][ T73] ret_from_fork+0x31/0x70 [ 5606.063754][ T73] ret_from_fork_asm+0x1a/0x30 [ 5606.063754][ T73] [ 5606.065912][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5606.065912][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.065912][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.065912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.065912][ T73] ip6_route_add+0x1c/0x140 [ 5606.065912][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5606.065912][ T73] inet6_addr_add+0x4f8/0xa40 [ 5606.065912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.065912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.065912][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.065912][ T73] netlink_unicast+0x449/0x710 [ 5606.065912][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.065912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.065912][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.065912][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.065912][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.065912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.065912][ T73] [ 5606.068140][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5606.068140][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.068140][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.068140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.068140][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5606.068140][ T73] ipv6_add_addr+0x411/0x2000 [ 5606.068140][ T73] inet6_addr_add+0x30e/0xa40 [ 5606.068140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.068140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.068140][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.068140][ T73] netlink_unicast+0x449/0x710 [ 5606.068140][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.068140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.068140][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.068140][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.068140][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.068140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.068140][ T73] [ 5606.070364][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5606.070364][ T73] netdev_get_by_index+0x5e/0x80 [ 5606.070364][ T73] fib6_nh_init+0x3d8/0x1580 [ 5606.070364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5606.070364][ T73] ip6_route_add+0x1c/0x140 [ 5606.070364][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5606.070364][ T73] addrconf_add_dev+0xe2/0x170 [ 5606.070364][ T73] inet6_addr_add+0x12f/0xa40 [ 5606.070364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.070364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.070364][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.070364][ T73] netlink_unicast+0x449/0x710 [ 5606.070364][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.070364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.070364][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.070364][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.070364][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.070364][ T73] [ 5606.072495][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5606.072495][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5606.072495][ T73] ipv6_find_idev+0x102/0x170 [ 5606.072495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.072495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.072495][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.072495][ T73] netlink_unicast+0x449/0x710 [ 5606.072495][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.072495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.072495][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.072495][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.072495][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.072495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.072495][ T73] [ 5606.074281][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5606.074281][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5606.074281][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5606.074281][ T73] ipv6_find_idev+0x102/0x170 [ 5606.074281][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.074281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.074281][ T73] netlink_rcv_skb+0x130/0x360 [ 5606.074281][ T73] netlink_unicast+0x449/0x710 [ 5606.074281][ T73] netlink_sendmsg+0x723/0xbe0 [ 5606.074281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5606.074281][ T73] ___sys_sendmsg+0xee/0x170 [ 5606.074281][ T73] __sys_sendmsg+0xcd/0x170 [ 5606.074281][ T73] do_syscall_64+0xc6/0x1e0 [ 5606.074281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.074281][ T73] [ 5616.318915][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5616.319357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.319357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5616.319357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5616.319357][ T73] fib6_nh_init+0xa22/0x1580 [ 5616.319357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.319357][ T73] ip6_route_add+0x1c/0x140 [ 5616.319357][ T73] inet6_rtm_newroute+0x104/0x110 [ 5616.319357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.319357][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.319357][ T73] netlink_unicast+0x449/0x710 [ 5616.319357][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.319357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.319357][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.319357][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.319357][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.319357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.319357][ T73] [ 5616.321248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.321248][ T73] dst_init+0x84/0x4a0 [ 5616.321248][ T73] dst_alloc+0x97/0x150 [ 5616.321248][ T73] ip6_dst_alloc+0x23/0x90 [ 5616.321248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5616.321248][ T73] ip6_pol_route+0x56f/0x840 [ 5616.321248][ T73] fib6_rule_lookup+0x456/0x630 [ 5616.321248][ T73] ip6_route_input+0x59c/0xa50 [ 5616.321248][ T73] ipv6_rcv+0x397/0x810 [ 5616.321248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5616.321248][ T73] process_backlog+0x101/0x620 [ 5616.321248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5616.321248][ T73] net_rx_action+0x495/0xbe0 [ 5616.321248][ T73] __do_softirq+0x1b5/0x7f6 [ 5616.321248][ T73] [ 5616.322871][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.322871][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.322871][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.322871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.322871][ T73] ip6_route_add+0x1c/0x140 [ 5616.322871][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5616.322871][ T73] inet6_addr_add+0x4f8/0xa40 [ 5616.322871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.322871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.322871][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.322871][ T73] netlink_unicast+0x449/0x710 [ 5616.322871][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.322871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.322871][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.322871][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.322871][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.322871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.322871][ T73] [ 5616.324861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.324861][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.324861][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.324861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.324861][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5616.324861][ T73] ipv6_add_addr+0x411/0x2000 [ 5616.324861][ T73] inet6_addr_add+0x30e/0xa40 [ 5616.324861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.324861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.324861][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.324861][ T73] netlink_unicast+0x449/0x710 [ 5616.324861][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.324861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.324861][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.324861][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.324861][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.324861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.324861][ T73] [ 5616.326836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.326836][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.326836][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.326836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.326836][ T73] ip6_route_add+0x1c/0x140 [ 5616.326836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5616.326836][ T73] addrconf_add_dev+0xe2/0x170 [ 5616.326836][ T73] inet6_addr_add+0x12f/0xa40 [ 5616.326836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.326836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.326836][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.326836][ T73] netlink_unicast+0x449/0x710 [ 5616.326836][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.326836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.326836][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.326836][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.326836][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.326836][ T73] [ 5616.328778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.328778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5616.328778][ T73] ipv6_find_idev+0x102/0x170 [ 5616.328778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.328778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.328778][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.328778][ T73] netlink_unicast+0x449/0x710 [ 5616.328778][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.328778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.328778][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.328778][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.328778][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.328778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.328778][ T73] [ 5616.330328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5616.330328][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5616.330328][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5616.330328][ T73] ipv6_find_idev+0x102/0x170 [ 5616.330328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.330328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.330328][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.330328][ T73] netlink_unicast+0x449/0x710 [ 5616.330328][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.330328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.330328][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.330328][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.330328][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.330328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.330328][ T73] [ 5616.332017][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5616.332288][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.332288][ T73] dst_init+0x84/0x4a0 [ 5616.332288][ T73] dst_alloc+0x97/0x150 [ 5616.332288][ T73] ip6_dst_alloc+0x23/0x90 [ 5616.332288][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5616.332288][ T73] ip6_pol_route+0x56f/0x840 [ 5616.332288][ T73] fib6_rule_lookup+0x456/0x630 [ 5616.332288][ T73] ip6_route_input+0x59c/0xa50 [ 5616.332288][ T73] ipv6_rcv+0x397/0x810 [ 5616.332288][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5616.332288][ T73] process_backlog+0x101/0x620 [ 5616.332288][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5616.332288][ T73] net_rx_action+0x495/0xbe0 [ 5616.332288][ T73] __do_softirq+0x1b5/0x7f6 [ 5616.332288][ T73] [ 5616.333936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.333936][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.333936][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.333936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.333936][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5616.333936][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5616.333936][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5616.333936][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5616.333936][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5616.333936][ T73] addrconf_dad_begin+0x310/0x670 [ 5616.333936][ T73] addrconf_dad_work+0x10b/0xab0 [ 5616.333936][ T73] process_one_work+0x84d/0x18a0 [ 5616.333936][ T73] worker_thread+0x587/0xd30 [ 5616.333936][ T73] kthread+0x28a/0x350 [ 5616.333936][ T73] ret_from_fork+0x31/0x70 [ 5616.333936][ T73] ret_from_fork_asm+0x1a/0x30 [ 5616.333936][ T73] [ 5616.335845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.335845][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.335845][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.335845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.335845][ T73] ip6_route_add+0x1c/0x140 [ 5616.335845][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5616.335845][ T73] inet6_addr_add+0x4f8/0xa40 [ 5616.335845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.335845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.335845][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.335845][ T73] netlink_unicast+0x449/0x710 [ 5616.335845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.335845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.335845][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.335845][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.335845][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.335845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.335845][ T73] [ 5616.337837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.337837][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.337837][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.337837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.337837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5616.337837][ T73] ipv6_add_addr+0x411/0x2000 [ 5616.337837][ T73] inet6_addr_add+0x30e/0xa40 [ 5616.337837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.337837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.337837][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.337837][ T73] netlink_unicast+0x449/0x710 [ 5616.337837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.337837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.337837][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.337837][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.337837][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.337837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.337837][ T73] [ 5616.339824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.339824][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.339824][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.339824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.339824][ T73] ip6_route_add+0x1c/0x140 [ 5616.339824][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5616.339824][ T73] addrconf_add_dev+0xe2/0x170 [ 5616.339824][ T73] inet6_addr_add+0x12f/0xa40 [ 5616.339824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.339824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.339824][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.339824][ T73] netlink_unicast+0x449/0x710 [ 5616.339824][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.339824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.339824][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.339824][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.339824][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.339824][ T73] [ 5616.341775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.341775][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5616.341775][ T73] ipv6_find_idev+0x102/0x170 [ 5616.341775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.341775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.341775][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.341775][ T73] netlink_unicast+0x449/0x710 [ 5616.341775][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.341775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.341775][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.341775][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.341775][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.341775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.341775][ T73] [ 5616.343309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5616.343309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5616.343309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5616.343309][ T73] ipv6_find_idev+0x102/0x170 [ 5616.343309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.343309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.343309][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.343309][ T73] netlink_unicast+0x449/0x710 [ 5616.343309][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.343309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.343309][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.343309][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.343309][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.343309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.343309][ T73] [ 5616.345045][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5616.345371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.345371][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5616.345371][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5616.345371][ T73] fib6_nh_init+0xa22/0x1580 [ 5616.345371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.345371][ T73] ip6_route_add+0x1c/0x140 [ 5616.345371][ T73] inet6_rtm_newroute+0x104/0x110 [ 5616.345371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.345371][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.345371][ T73] netlink_unicast+0x449/0x710 [ 5616.345371][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.345371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.345371][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.345371][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.345371][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.345371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.345371][ T73] [ 5616.347481][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.347481][ T73] dst_init+0x84/0x4a0 [ 5616.347481][ T73] dst_alloc+0x97/0x150 [ 5616.347481][ T73] ip6_dst_alloc+0x23/0x90 [ 5616.347481][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5616.347481][ T73] ip6_pol_route+0x56f/0x840 [ 5616.347481][ T73] fib6_rule_lookup+0x456/0x630 [ 5616.347481][ T73] ip6_route_input+0x59c/0xa50 [ 5616.347481][ T73] ipv6_rcv+0x397/0x810 [ 5616.347481][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5616.347481][ T73] process_backlog+0x101/0x620 [ 5616.347481][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5616.347481][ T73] net_rx_action+0x495/0xbe0 [ 5616.347481][ T73] __do_softirq+0x1b5/0x7f6 [ 5616.347481][ T73] [ 5616.349293][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.349293][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.349293][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.349293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.349293][ T73] ip6_route_add+0x1c/0x140 [ 5616.349293][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5616.349293][ T73] inet6_addr_add+0x4f8/0xa40 [ 5616.349293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.349293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.349293][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.349293][ T73] netlink_unicast+0x449/0x710 [ 5616.349293][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.349293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.349293][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.349293][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.349293][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.349293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.349293][ T73] [ 5616.351514][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.351514][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.351514][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.351514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.351514][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5616.351514][ T73] ipv6_add_addr+0x411/0x2000 [ 5616.351514][ T73] inet6_addr_add+0x30e/0xa40 [ 5616.351514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.351514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.351514][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.351514][ T73] netlink_unicast+0x449/0x710 [ 5616.351514][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.351514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.351514][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.351514][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.351514][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.351514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.351514][ T73] [ 5616.353690][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.353690][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.353690][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.353690][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.353690][ T73] ip6_route_add+0x1c/0x140 [ 5616.353690][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5616.353690][ T73] addrconf_add_dev+0xe2/0x170 [ 5616.353690][ T73] inet6_addr_add+0x12f/0xa40 [ 5616.353690][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.353690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.353690][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.353690][ T73] netlink_unicast+0x449/0x710 [ 5616.353690][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.353690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.353690][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.353690][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.353690][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.353690][ T73] [ 5616.355950][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.355950][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5616.355950][ T73] ipv6_find_idev+0x102/0x170 [ 5616.355950][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.355950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.355950][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.355950][ T73] netlink_unicast+0x449/0x710 [ 5616.355950][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.355950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.355950][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.355950][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.355950][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.355950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.355950][ T73] [ 5616.357663][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5616.357663][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5616.357663][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5616.357663][ T73] ipv6_find_idev+0x102/0x170 [ 5616.357663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.357663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.357663][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.357663][ T73] netlink_unicast+0x449/0x710 [ 5616.357663][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.357663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.357663][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.357663][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.357663][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.357663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.357663][ T73] [ 5616.359521][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5616.360288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5616.360288][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.360288][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.360288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.360288][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5616.360288][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5616.360288][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5616.360288][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5616.360288][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5616.360288][ T73] addrconf_dad_begin+0x310/0x670 [ 5616.360288][ T73] addrconf_dad_work+0x10b/0xab0 [ 5616.360288][ T73] process_one_work+0x84d/0x18a0 [ 5616.360288][ T73] worker_thread+0x587/0xd30 [ 5616.360288][ T73] kthread+0x28a/0x350 [ 5616.360288][ T73] ret_from_fork+0x31/0x70 [ 5616.360288][ T73] ret_from_fork_asm+0x1a/0x30 [ 5616.360288][ T73] [ 5616.362185][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5616.362185][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.362185][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.362185][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.362185][ T73] ip6_route_add+0x1c/0x140 [ 5616.362185][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5616.362185][ T73] inet6_addr_add+0x4f8/0xa40 [ 5616.362185][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.362185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.362185][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.362185][ T73] netlink_unicast+0x449/0x710 [ 5616.362185][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.362185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.362185][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.362185][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.362185][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.362185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.362185][ T73] [ 5616.364233][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5616.364233][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.364233][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.364233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.364233][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5616.364233][ T73] ipv6_add_addr+0x411/0x2000 [ 5616.364233][ T73] inet6_addr_add+0x30e/0xa40 [ 5616.364233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.364233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.364233][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.364233][ T73] netlink_unicast+0x449/0x710 [ 5616.364233][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.364233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.364233][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.364233][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.364233][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.364233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.364233][ T73] [ 5616.366507][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5616.366507][ T73] netdev_get_by_index+0x5e/0x80 [ 5616.366507][ T73] fib6_nh_init+0x3d8/0x1580 [ 5616.366507][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5616.366507][ T73] ip6_route_add+0x1c/0x140 [ 5616.366507][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5616.366507][ T73] addrconf_add_dev+0xe2/0x170 [ 5616.366507][ T73] inet6_addr_add+0x12f/0xa40 [ 5616.366507][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.366507][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.366507][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.366507][ T73] netlink_unicast+0x449/0x710 [ 5616.366507][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.366507][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.366507][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.366507][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.366507][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.366507][ T73] [ 5616.368711][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5616.368711][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5616.368711][ T73] ipv6_find_idev+0x102/0x170 [ 5616.368711][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.368711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.368711][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.368711][ T73] netlink_unicast+0x449/0x710 [ 5616.368711][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.368711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.368711][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.368711][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.368711][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.368711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.368711][ T73] [ 5616.370426][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5616.370426][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5616.370426][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5616.370426][ T73] ipv6_find_idev+0x102/0x170 [ 5616.370426][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.370426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.370426][ T73] netlink_rcv_skb+0x130/0x360 [ 5616.370426][ T73] netlink_unicast+0x449/0x710 [ 5616.370426][ T73] netlink_sendmsg+0x723/0xbe0 [ 5616.370426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5616.370426][ T73] ___sys_sendmsg+0xee/0x170 [ 5616.370426][ T73] __sys_sendmsg+0xcd/0x170 [ 5616.370426][ T73] do_syscall_64+0xc6/0x1e0 [ 5616.370426][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.370426][ T73] [ 5626.414883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5626.415261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.415261][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5626.415261][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5626.415261][ T73] fib6_nh_init+0xa22/0x1580 [ 5626.415261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.415261][ T73] ip6_route_add+0x1c/0x140 [ 5626.415261][ T73] inet6_rtm_newroute+0x104/0x110 [ 5626.415261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.415261][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.415261][ T73] netlink_unicast+0x449/0x710 [ 5626.415261][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.415261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.415261][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.415261][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.415261][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.415261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.415261][ T73] [ 5626.417137][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.417137][ T73] dst_init+0x84/0x4a0 [ 5626.417137][ T73] dst_alloc+0x97/0x150 [ 5626.417137][ T73] ip6_dst_alloc+0x23/0x90 [ 5626.417137][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5626.417137][ T73] ip6_pol_route+0x56f/0x840 [ 5626.417137][ T73] fib6_rule_lookup+0x456/0x630 [ 5626.417137][ T73] ip6_route_input+0x59c/0xa50 [ 5626.417137][ T73] ipv6_rcv+0x397/0x810 [ 5626.417137][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5626.417137][ T73] process_backlog+0x101/0x620 [ 5626.417137][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5626.417137][ T73] net_rx_action+0x495/0xbe0 [ 5626.417137][ T73] __do_softirq+0x1b5/0x7f6 [ 5626.417137][ T73] [ 5626.418767][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.418767][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.418767][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.418767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.418767][ T73] ip6_route_add+0x1c/0x140 [ 5626.418767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5626.418767][ T73] inet6_addr_add+0x4f8/0xa40 [ 5626.418767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.418767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.418767][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.418767][ T73] netlink_unicast+0x449/0x710 [ 5626.418767][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.418767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.418767][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.418767][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.418767][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.418767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.418767][ T73] [ 5626.420760][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.420760][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.420760][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.420760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.420760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5626.420760][ T73] ipv6_add_addr+0x411/0x2000 [ 5626.420760][ T73] inet6_addr_add+0x30e/0xa40 [ 5626.420760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.420760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.420760][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.420760][ T73] netlink_unicast+0x449/0x710 [ 5626.420760][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.420760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.420760][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.420760][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.420760][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.420760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.420760][ T73] [ 5626.422757][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.422757][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.422757][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.422757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.422757][ T73] ip6_route_add+0x1c/0x140 [ 5626.422757][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5626.422757][ T73] addrconf_add_dev+0xe2/0x170 [ 5626.422757][ T73] inet6_addr_add+0x12f/0xa40 [ 5626.422757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.422757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.422757][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.422757][ T73] netlink_unicast+0x449/0x710 [ 5626.422757][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.422757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.422757][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.422757][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.422757][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.422757][ T73] [ 5626.424727][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.424727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5626.424727][ T73] ipv6_find_idev+0x102/0x170 [ 5626.424727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.424727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.424727][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.424727][ T73] netlink_unicast+0x449/0x710 [ 5626.424727][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.424727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.424727][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.424727][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.424727][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.424727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.424727][ T73] [ 5626.426276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5626.426276][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5626.426276][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5626.426276][ T73] ipv6_find_idev+0x102/0x170 [ 5626.426276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.426276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.426276][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.426276][ T73] netlink_unicast+0x449/0x710 [ 5626.426276][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.426276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.426276][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.426276][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.426276][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.426276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.426276][ T73] [ 5626.427951][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5626.428218][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.428218][ T73] dst_init+0x84/0x4a0 [ 5626.428218][ T73] dst_alloc+0x97/0x150 [ 5626.428218][ T73] ip6_dst_alloc+0x23/0x90 [ 5626.428218][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5626.428218][ T73] ip6_pol_route+0x56f/0x840 [ 5626.428218][ T73] fib6_rule_lookup+0x456/0x630 [ 5626.428218][ T73] ip6_route_input+0x59c/0xa50 [ 5626.428218][ T73] ipv6_rcv+0x397/0x810 [ 5626.428218][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5626.428218][ T73] process_backlog+0x101/0x620 [ 5626.428218][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5626.428218][ T73] net_rx_action+0x495/0xbe0 [ 5626.428218][ T73] __do_softirq+0x1b5/0x7f6 [ 5626.428218][ T73] [ 5626.429850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.429850][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.429850][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.429850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.429850][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5626.429850][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5626.429850][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5626.429850][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5626.429850][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5626.429850][ T73] addrconf_dad_begin+0x310/0x670 [ 5626.429850][ T73] addrconf_dad_work+0x10b/0xab0 [ 5626.429850][ T73] process_one_work+0x84d/0x18a0 [ 5626.429850][ T73] worker_thread+0x587/0xd30 [ 5626.429850][ T73] kthread+0x28a/0x350 [ 5626.429850][ T73] ret_from_fork+0x31/0x70 [ 5626.429850][ T73] ret_from_fork_asm+0x1a/0x30 [ 5626.429850][ T73] [ 5626.431746][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.431746][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.431746][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.431746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.431746][ T73] ip6_route_add+0x1c/0x140 [ 5626.431746][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5626.431746][ T73] inet6_addr_add+0x4f8/0xa40 [ 5626.431746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.431746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.431746][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.431746][ T73] netlink_unicast+0x449/0x710 [ 5626.431746][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.431746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.431746][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.431746][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.431746][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.431746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.431746][ T73] [ 5626.433732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.433732][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.433732][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.433732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.433732][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5626.433732][ T73] ipv6_add_addr+0x411/0x2000 [ 5626.433732][ T73] inet6_addr_add+0x30e/0xa40 [ 5626.433732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.433732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.433732][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.433732][ T73] netlink_unicast+0x449/0x710 [ 5626.433732][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.433732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.433732][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.433732][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.433732][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.433732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.433732][ T73] [ 5626.435728][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.435728][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.435728][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.435728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.435728][ T73] ip6_route_add+0x1c/0x140 [ 5626.435728][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5626.435728][ T73] addrconf_add_dev+0xe2/0x170 [ 5626.435728][ T73] inet6_addr_add+0x12f/0xa40 [ 5626.435728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.435728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.435728][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.435728][ T73] netlink_unicast+0x449/0x710 [ 5626.435728][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.435728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.435728][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.435728][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.435728][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.435728][ T73] [ 5626.438196][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.438196][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5626.438196][ T73] ipv6_find_idev+0x102/0x170 [ 5626.438196][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.438196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.438196][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.438196][ T73] netlink_unicast+0x449/0x710 [ 5626.438196][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.438196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.438196][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.438196][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.438196][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.438196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.438196][ T73] [ 5626.439722][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5626.439722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5626.439722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5626.439722][ T73] ipv6_find_idev+0x102/0x170 [ 5626.439722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.439722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.439722][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.439722][ T73] netlink_unicast+0x449/0x710 [ 5626.439722][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.439722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.439722][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.439722][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.439722][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.439722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.439722][ T73] [ 5626.441504][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5626.441769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.441769][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5626.441769][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5626.441769][ T73] fib6_nh_init+0xa22/0x1580 [ 5626.441769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.441769][ T73] ip6_route_add+0x1c/0x140 [ 5626.441769][ T73] inet6_rtm_newroute+0x104/0x110 [ 5626.441769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.441769][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.441769][ T73] netlink_unicast+0x449/0x710 [ 5626.441769][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.441769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.441769][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.441769][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.441769][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.441769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.441769][ T73] [ 5626.443940][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.443940][ T73] dst_init+0x84/0x4a0 [ 5626.443940][ T73] dst_alloc+0x97/0x150 [ 5626.443940][ T73] ip6_dst_alloc+0x23/0x90 [ 5626.443940][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5626.443940][ T73] ip6_pol_route+0x56f/0x840 [ 5626.443940][ T73] fib6_rule_lookup+0x456/0x630 [ 5626.443940][ T73] ip6_route_input+0x59c/0xa50 [ 5626.443940][ T73] ipv6_rcv+0x397/0x810 [ 5626.443940][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5626.443940][ T73] process_backlog+0x101/0x620 [ 5626.443940][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5626.443940][ T73] net_rx_action+0x495/0xbe0 [ 5626.443940][ T73] __do_softirq+0x1b5/0x7f6 [ 5626.443940][ T73] [ 5626.445748][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.445748][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.445748][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.445748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.445748][ T73] ip6_route_add+0x1c/0x140 [ 5626.445748][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5626.445748][ T73] inet6_addr_add+0x4f8/0xa40 [ 5626.445748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.445748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.445748][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.445748][ T73] netlink_unicast+0x449/0x710 [ 5626.445748][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.445748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.445748][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.445748][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.445748][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.445748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.445748][ T73] [ 5626.447974][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.447974][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.447974][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.447974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.447974][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5626.447974][ T73] ipv6_add_addr+0x411/0x2000 [ 5626.447974][ T73] inet6_addr_add+0x30e/0xa40 [ 5626.447974][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.447974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.447974][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.447974][ T73] netlink_unicast+0x449/0x710 [ 5626.447974][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.447974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.447974][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.447974][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.447974][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.447974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.447974][ T73] [ 5626.450139][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.450139][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.450139][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.450139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.450139][ T73] ip6_route_add+0x1c/0x140 [ 5626.450139][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5626.450139][ T73] addrconf_add_dev+0xe2/0x170 [ 5626.450139][ T73] inet6_addr_add+0x12f/0xa40 [ 5626.450139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.450139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.450139][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.450139][ T73] netlink_unicast+0x449/0x710 [ 5626.450139][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.450139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.450139][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.450139][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.450139][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.450139][ T73] [ 5626.452769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.452769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5626.452769][ T73] ipv6_find_idev+0x102/0x170 [ 5626.452769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.452769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.452769][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.452769][ T73] netlink_unicast+0x449/0x710 [ 5626.452769][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.452769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.452769][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.452769][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.452769][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.452769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.452769][ T73] [ 5626.454472][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5626.454472][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5626.454472][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5626.454472][ T73] ipv6_find_idev+0x102/0x170 [ 5626.454472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.454472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.454472][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.454472][ T73] netlink_unicast+0x449/0x710 [ 5626.454472][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.454472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.454472][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.454472][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.454472][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.454472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.454472][ T73] [ 5626.456327][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5626.456597][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5626.456597][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.456597][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.456597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.456597][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5626.456597][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5626.456597][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5626.456597][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5626.456597][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5626.456597][ T73] addrconf_dad_begin+0x310/0x670 [ 5626.456597][ T73] addrconf_dad_work+0x10b/0xab0 [ 5626.456597][ T73] process_one_work+0x84d/0x18a0 [ 5626.456597][ T73] worker_thread+0x587/0xd30 [ 5626.456597][ T73] kthread+0x28a/0x350 [ 5626.456597][ T73] ret_from_fork+0x31/0x70 [ 5626.456597][ T73] ret_from_fork_asm+0x1a/0x30 [ 5626.456597][ T73] [ 5626.458737][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5626.458737][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.458737][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.458737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.458737][ T73] ip6_route_add+0x1c/0x140 [ 5626.458737][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5626.458737][ T73] inet6_addr_add+0x4f8/0xa40 [ 5626.458737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.458737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.458737][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.458737][ T73] netlink_unicast+0x449/0x710 [ 5626.458737][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.458737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.458737][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.458737][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.458737][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.458737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.458737][ T73] [ 5626.460963][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5626.460963][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.460963][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.460963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.460963][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5626.460963][ T73] ipv6_add_addr+0x411/0x2000 [ 5626.460963][ T73] inet6_addr_add+0x30e/0xa40 [ 5626.460963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.460963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.460963][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.460963][ T73] netlink_unicast+0x449/0x710 [ 5626.460963][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.460963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.460963][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.460963][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.460963][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.460963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.460963][ T73] [ 5626.463245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5626.463245][ T73] netdev_get_by_index+0x5e/0x80 [ 5626.463245][ T73] fib6_nh_init+0x3d8/0x1580 [ 5626.463245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5626.463245][ T73] ip6_route_add+0x1c/0x140 [ 5626.463245][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5626.463245][ T73] addrconf_add_dev+0xe2/0x170 [ 5626.463245][ T73] inet6_addr_add+0x12f/0xa40 [ 5626.463245][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.463245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.463245][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.463245][ T73] netlink_unicast+0x449/0x710 [ 5626.463245][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.463245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.463245][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.463245][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.463245][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.463245][ T73] [ 5626.465333][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5626.465333][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5626.465333][ T73] ipv6_find_idev+0x102/0x170 [ 5626.465333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.465333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.465333][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.465333][ T73] netlink_unicast+0x449/0x710 [ 5626.465333][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.465333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.465333][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.465333][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.465333][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.465333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.465333][ T73] [ 5626.467038][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5626.467038][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5626.467038][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5626.467038][ T73] ipv6_find_idev+0x102/0x170 [ 5626.467038][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.467038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.467038][ T73] netlink_rcv_skb+0x130/0x360 [ 5626.467038][ T73] netlink_unicast+0x449/0x710 [ 5626.467038][ T73] netlink_sendmsg+0x723/0xbe0 [ 5626.467038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5626.467038][ T73] ___sys_sendmsg+0xee/0x170 [ 5626.467038][ T73] __sys_sendmsg+0xcd/0x170 [ 5626.467038][ T73] do_syscall_64+0xc6/0x1e0 [ 5626.467038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.467038][ T73] [ 5636.470888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5636.471328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.471328][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5636.471328][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5636.471328][ T73] fib6_nh_init+0xa22/0x1580 [ 5636.471328][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.471328][ T73] ip6_route_add+0x1c/0x140 [ 5636.471328][ T73] inet6_rtm_newroute+0x104/0x110 [ 5636.471328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.471328][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.471328][ T73] netlink_unicast+0x449/0x710 [ 5636.471328][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.471328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.471328][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.471328][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.471328][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.471328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.471328][ T73] [ 5636.473215][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.473215][ T73] dst_init+0x84/0x4a0 [ 5636.473215][ T73] dst_alloc+0x97/0x150 [ 5636.473215][ T73] ip6_dst_alloc+0x23/0x90 [ 5636.473215][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5636.473215][ T73] ip6_pol_route+0x56f/0x840 [ 5636.473215][ T73] fib6_rule_lookup+0x456/0x630 [ 5636.473215][ T73] ip6_route_input+0x59c/0xa50 [ 5636.473215][ T73] ipv6_rcv+0x397/0x810 [ 5636.473215][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5636.473215][ T73] process_backlog+0x101/0x620 [ 5636.473215][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5636.473215][ T73] net_rx_action+0x495/0xbe0 [ 5636.473215][ T73] __do_softirq+0x1b5/0x7f6 [ 5636.473215][ T73] [ 5636.474876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.474876][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.474876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.474876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.474876][ T73] ip6_route_add+0x1c/0x140 [ 5636.474876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5636.474876][ T73] inet6_addr_add+0x4f8/0xa40 [ 5636.474876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.474876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.474876][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.474876][ T73] netlink_unicast+0x449/0x710 [ 5636.474876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.474876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.474876][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.474876][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.474876][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.474876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.474876][ T73] [ 5636.476859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.476859][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.476859][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.476859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.476859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5636.476859][ T73] ipv6_add_addr+0x411/0x2000 [ 5636.476859][ T73] inet6_addr_add+0x30e/0xa40 [ 5636.476859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.476859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.476859][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.476859][ T73] netlink_unicast+0x449/0x710 [ 5636.476859][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.476859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.476859][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.476859][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.476859][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.476859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.476859][ T73] [ 5636.478837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.478837][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.478837][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.478837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.478837][ T73] ip6_route_add+0x1c/0x140 [ 5636.478837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5636.478837][ T73] addrconf_add_dev+0xe2/0x170 [ 5636.478837][ T73] inet6_addr_add+0x12f/0xa40 [ 5636.478837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.478837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.478837][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.478837][ T73] netlink_unicast+0x449/0x710 [ 5636.478837][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.478837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.478837][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.478837][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.478837][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.478837][ T73] [ 5636.481168][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.481168][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5636.481168][ T73] ipv6_find_idev+0x102/0x170 [ 5636.481168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.481168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.481168][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.481168][ T73] netlink_unicast+0x449/0x710 [ 5636.481168][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.481168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.481168][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.481168][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.481168][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.481168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.481168][ T73] [ 5636.482694][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5636.482694][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5636.482694][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5636.482694][ T73] ipv6_find_idev+0x102/0x170 [ 5636.482694][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.482694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.482694][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.482694][ T73] netlink_unicast+0x449/0x710 [ 5636.482694][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.482694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.482694][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.482694][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.482694][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.482694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.482694][ T73] [ 5636.484370][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5636.484649][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.484649][ T73] dst_init+0x84/0x4a0 [ 5636.484649][ T73] dst_alloc+0x97/0x150 [ 5636.484649][ T73] ip6_dst_alloc+0x23/0x90 [ 5636.484649][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5636.484649][ T73] ip6_pol_route+0x56f/0x840 [ 5636.484649][ T73] fib6_rule_lookup+0x456/0x630 [ 5636.484649][ T73] ip6_route_input+0x59c/0xa50 [ 5636.484649][ T73] ipv6_rcv+0x397/0x810 [ 5636.484649][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5636.484649][ T73] process_backlog+0x101/0x620 [ 5636.484649][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5636.484649][ T73] net_rx_action+0x495/0xbe0 [ 5636.484649][ T73] __do_softirq+0x1b5/0x7f6 [ 5636.484649][ T73] [ 5636.486275][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.486275][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.486275][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.486275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.486275][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5636.486275][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5636.486275][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5636.486275][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5636.486275][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5636.486275][ T73] addrconf_dad_begin+0x310/0x670 [ 5636.486275][ T73] addrconf_dad_work+0x10b/0xab0 [ 5636.486275][ T73] process_one_work+0x84d/0x18a0 [ 5636.486275][ T73] worker_thread+0x587/0xd30 [ 5636.486275][ T73] kthread+0x28a/0x350 [ 5636.486275][ T73] ret_from_fork+0x31/0x70 [ 5636.486275][ T73] ret_from_fork_asm+0x1a/0x30 [ 5636.486275][ T73] [ 5636.488166][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.488166][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.488166][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.488166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.488166][ T73] ip6_route_add+0x1c/0x140 [ 5636.488166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5636.488166][ T73] inet6_addr_add+0x4f8/0xa40 [ 5636.488166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.488166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.488166][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.488166][ T73] netlink_unicast+0x449/0x710 [ 5636.488166][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.488166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.488166][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.488166][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.488166][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.488166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.488166][ T73] [ 5636.490151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.490151][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.490151][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.490151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.490151][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5636.490151][ T73] ipv6_add_addr+0x411/0x2000 [ 5636.490151][ T73] inet6_addr_add+0x30e/0xa40 [ 5636.490151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.490151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.490151][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.490151][ T73] netlink_unicast+0x449/0x710 [ 5636.490151][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.490151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.490151][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.490151][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.490151][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.490151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.490151][ T73] [ 5636.492137][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.492137][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.492137][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.492137][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.492137][ T73] ip6_route_add+0x1c/0x140 [ 5636.492137][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5636.492137][ T73] addrconf_add_dev+0xe2/0x170 [ 5636.492137][ T73] inet6_addr_add+0x12f/0xa40 [ 5636.492137][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.492137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.492137][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.492137][ T73] netlink_unicast+0x449/0x710 [ 5636.492137][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.492137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.492137][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.492137][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.492137][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.492137][ T73] [ 5636.494075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.494075][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5636.494075][ T73] ipv6_find_idev+0x102/0x170 [ 5636.494075][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.494075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.494075][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.494075][ T73] netlink_unicast+0x449/0x710 [ 5636.494075][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.494075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.494075][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.494075][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.494075][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.494075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.494075][ T73] [ 5636.495602][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5636.495602][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5636.495602][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5636.495602][ T73] ipv6_find_idev+0x102/0x170 [ 5636.495602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.495602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.495602][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.495602][ T73] netlink_unicast+0x449/0x710 [ 5636.495602][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.495602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.495602][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.495602][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.495602][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.495602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.495602][ T73] [ 5636.497376][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5636.497639][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.497639][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5636.497639][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5636.497639][ T73] fib6_nh_init+0xa22/0x1580 [ 5636.497639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.497639][ T73] ip6_route_add+0x1c/0x140 [ 5636.497639][ T73] inet6_rtm_newroute+0x104/0x110 [ 5636.497639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.497639][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.497639][ T73] netlink_unicast+0x449/0x710 [ 5636.497639][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.497639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.497639][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.497639][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.497639][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.497639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.497639][ T73] [ 5636.499674][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.499674][ T73] dst_init+0x84/0x4a0 [ 5636.499674][ T73] dst_alloc+0x97/0x150 [ 5636.499674][ T73] ip6_dst_alloc+0x23/0x90 [ 5636.499674][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5636.499674][ T73] ip6_pol_route+0x56f/0x840 [ 5636.499674][ T73] fib6_rule_lookup+0x456/0x630 [ 5636.499674][ T73] ip6_route_input+0x59c/0xa50 [ 5636.499674][ T73] ipv6_rcv+0x397/0x810 [ 5636.499674][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5636.499674][ T73] process_backlog+0x101/0x620 [ 5636.499674][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5636.499674][ T73] net_rx_action+0x495/0xbe0 [ 5636.499674][ T73] __do_softirq+0x1b5/0x7f6 [ 5636.499674][ T73] [ 5636.501472][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.501472][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.501472][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.501472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.501472][ T73] ip6_route_add+0x1c/0x140 [ 5636.501472][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5636.501472][ T73] inet6_addr_add+0x4f8/0xa40 [ 5636.501472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.501472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.501472][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.501472][ T73] netlink_unicast+0x449/0x710 [ 5636.501472][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.501472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.501472][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.501472][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.501472][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.501472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.501472][ T73] [ 5636.503769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.503769][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.503769][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.503769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.503769][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5636.503769][ T73] ipv6_add_addr+0x411/0x2000 [ 5636.503769][ T73] inet6_addr_add+0x30e/0xa40 [ 5636.503769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.503769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.503769][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.503769][ T73] netlink_unicast+0x449/0x710 [ 5636.503769][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.503769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.503769][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.503769][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.503769][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.503769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.503769][ T73] [ 5636.506003][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.506003][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.506003][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.506003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.506003][ T73] ip6_route_add+0x1c/0x140 [ 5636.506003][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5636.506003][ T73] addrconf_add_dev+0xe2/0x170 [ 5636.506003][ T73] inet6_addr_add+0x12f/0xa40 [ 5636.506003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.506003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.506003][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.506003][ T73] netlink_unicast+0x449/0x710 [ 5636.506003][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.506003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.506003][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.506003][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.506003][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.506003][ T73] [ 5636.508192][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.508192][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5636.508192][ T73] ipv6_find_idev+0x102/0x170 [ 5636.508192][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.508192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.508192][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.508192][ T73] netlink_unicast+0x449/0x710 [ 5636.508192][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.508192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.508192][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.508192][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.508192][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.508192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.508192][ T73] [ 5636.509896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5636.509896][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5636.509896][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5636.509896][ T73] ipv6_find_idev+0x102/0x170 [ 5636.509896][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.509896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.509896][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.509896][ T73] netlink_unicast+0x449/0x710 [ 5636.509896][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.509896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.509896][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.509896][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.509896][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.509896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.509896][ T73] [ 5636.511791][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5636.512055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5636.512055][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.512055][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.512055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.512055][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5636.512055][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5636.512055][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5636.512055][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5636.512055][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5636.512055][ T73] addrconf_dad_begin+0x310/0x670 [ 5636.512055][ T73] addrconf_dad_work+0x10b/0xab0 [ 5636.512055][ T73] process_one_work+0x84d/0x18a0 [ 5636.512055][ T73] worker_thread+0x587/0xd30 [ 5636.512055][ T73] kthread+0x28a/0x350 [ 5636.512055][ T73] ret_from_fork+0x31/0x70 [ 5636.512055][ T73] ret_from_fork_asm+0x1a/0x30 [ 5636.512055][ T73] [ 5636.514186][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5636.514186][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.514186][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.514186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.514186][ T73] ip6_route_add+0x1c/0x140 [ 5636.514186][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5636.514186][ T73] inet6_addr_add+0x4f8/0xa40 [ 5636.514186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.514186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.514186][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.514186][ T73] netlink_unicast+0x449/0x710 [ 5636.514186][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.514186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.514186][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.514186][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.514186][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.514186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.514186][ T73] [ 5636.516413][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5636.516413][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.516413][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.516413][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.516413][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5636.516413][ T73] ipv6_add_addr+0x411/0x2000 [ 5636.516413][ T73] inet6_addr_add+0x30e/0xa40 [ 5636.516413][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.516413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.516413][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.516413][ T73] netlink_unicast+0x449/0x710 [ 5636.516413][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.516413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.516413][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.516413][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.516413][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.516413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.516413][ T73] [ 5636.518628][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5636.518628][ T73] netdev_get_by_index+0x5e/0x80 [ 5636.518628][ T73] fib6_nh_init+0x3d8/0x1580 [ 5636.518628][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5636.518628][ T73] ip6_route_add+0x1c/0x140 [ 5636.518628][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5636.518628][ T73] addrconf_add_dev+0xe2/0x170 [ 5636.518628][ T73] inet6_addr_add+0x12f/0xa40 [ 5636.518628][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.518628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.518628][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.518628][ T73] netlink_unicast+0x449/0x710 [ 5636.518628][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.518628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.518628][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.518628][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.518628][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.518628][ T73] [ 5636.520748][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5636.520748][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5636.520748][ T73] ipv6_find_idev+0x102/0x170 [ 5636.520748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.520748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.520748][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.520748][ T73] netlink_unicast+0x449/0x710 [ 5636.520748][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.520748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.520748][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.520748][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.520748][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.520748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.520748][ T73] [ 5636.522513][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5636.522513][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5636.522513][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5636.522513][ T73] ipv6_find_idev+0x102/0x170 [ 5636.522513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.522513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.522513][ T73] netlink_rcv_skb+0x130/0x360 [ 5636.522513][ T73] netlink_unicast+0x449/0x710 [ 5636.522513][ T73] netlink_sendmsg+0x723/0xbe0 [ 5636.522513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5636.522513][ T73] ___sys_sendmsg+0xee/0x170 [ 5636.522513][ T73] __sys_sendmsg+0xcd/0x170 [ 5636.522513][ T73] do_syscall_64+0xc6/0x1e0 [ 5636.522513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.522513][ T73] [ 5646.766919][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5646.767392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.767392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5646.767392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5646.767392][ T73] fib6_nh_init+0xa22/0x1580 [ 5646.767392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.767392][ T73] ip6_route_add+0x1c/0x140 [ 5646.767392][ T73] inet6_rtm_newroute+0x104/0x110 [ 5646.767392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.767392][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.767392][ T73] netlink_unicast+0x449/0x710 [ 5646.767392][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.767392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.767392][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.767392][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.767392][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.767392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.767392][ T73] [ 5646.769299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.769299][ T73] dst_init+0x84/0x4a0 [ 5646.769299][ T73] dst_alloc+0x97/0x150 [ 5646.769299][ T73] ip6_dst_alloc+0x23/0x90 [ 5646.769299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5646.769299][ T73] ip6_pol_route+0x56f/0x840 [ 5646.769299][ T73] fib6_rule_lookup+0x456/0x630 [ 5646.769299][ T73] ip6_route_input+0x59c/0xa50 [ 5646.769299][ T73] ipv6_rcv+0x397/0x810 [ 5646.769299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5646.769299][ T73] process_backlog+0x101/0x620 [ 5646.769299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5646.769299][ T73] net_rx_action+0x495/0xbe0 [ 5646.769299][ T73] __do_softirq+0x1b5/0x7f6 [ 5646.769299][ T73] [ 5646.770947][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.770947][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.770947][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.770947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.770947][ T73] ip6_route_add+0x1c/0x140 [ 5646.770947][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5646.770947][ T73] inet6_addr_add+0x4f8/0xa40 [ 5646.770947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.770947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.770947][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.770947][ T73] netlink_unicast+0x449/0x710 [ 5646.770947][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.770947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.770947][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.770947][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.770947][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.770947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.770947][ T73] [ 5646.772957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.772957][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.772957][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.772957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.772957][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5646.772957][ T73] ipv6_add_addr+0x411/0x2000 [ 5646.772957][ T73] inet6_addr_add+0x30e/0xa40 [ 5646.772957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.772957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.772957][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.772957][ T73] netlink_unicast+0x449/0x710 [ 5646.772957][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.772957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.772957][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.772957][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.772957][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.772957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.772957][ T73] [ 5646.774976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.774976][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.774976][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.774976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.774976][ T73] ip6_route_add+0x1c/0x140 [ 5646.774976][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5646.774976][ T73] addrconf_add_dev+0xe2/0x170 [ 5646.774976][ T73] inet6_addr_add+0x12f/0xa40 [ 5646.774976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.774976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.774976][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.774976][ T73] netlink_unicast+0x449/0x710 [ 5646.774976][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.774976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.774976][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.774976][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.774976][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.774976][ T73] [ 5646.776950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.776950][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5646.776950][ T73] ipv6_find_idev+0x102/0x170 [ 5646.776950][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.776950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.776950][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.776950][ T73] netlink_unicast+0x449/0x710 [ 5646.776950][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.776950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.776950][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.776950][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.776950][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.776950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.776950][ T73] [ 5646.778494][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5646.778494][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5646.778494][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5646.778494][ T73] ipv6_find_idev+0x102/0x170 [ 5646.778494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.778494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.778494][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.778494][ T73] netlink_unicast+0x449/0x710 [ 5646.778494][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.778494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.778494][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.778494][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.778494][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.778494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.778494][ T73] [ 5646.780205][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5646.780479][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.780479][ T73] dst_init+0x84/0x4a0 [ 5646.780479][ T73] dst_alloc+0x97/0x150 [ 5646.780479][ T73] ip6_dst_alloc+0x23/0x90 [ 5646.780479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5646.780479][ T73] ip6_pol_route+0x56f/0x840 [ 5646.780479][ T73] fib6_rule_lookup+0x456/0x630 [ 5646.780479][ T73] ip6_route_input+0x59c/0xa50 [ 5646.780479][ T73] ipv6_rcv+0x397/0x810 [ 5646.780479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5646.780479][ T73] process_backlog+0x101/0x620 [ 5646.780479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5646.780479][ T73] net_rx_action+0x495/0xbe0 [ 5646.780479][ T73] __do_softirq+0x1b5/0x7f6 [ 5646.780479][ T73] [ 5646.782128][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.782128][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.782128][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.782128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.782128][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5646.782128][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5646.782128][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5646.782128][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5646.782128][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5646.782128][ T73] addrconf_dad_begin+0x310/0x670 [ 5646.782128][ T73] addrconf_dad_work+0x10b/0xab0 [ 5646.782128][ T73] process_one_work+0x84d/0x18a0 [ 5646.782128][ T73] worker_thread+0x587/0xd30 [ 5646.782128][ T73] kthread+0x28a/0x350 [ 5646.782128][ T73] ret_from_fork+0x31/0x70 [ 5646.782128][ T73] ret_from_fork_asm+0x1a/0x30 [ 5646.782128][ T73] [ 5646.784054][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.784054][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.784054][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.784054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.784054][ T73] ip6_route_add+0x1c/0x140 [ 5646.784054][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5646.784054][ T73] inet6_addr_add+0x4f8/0xa40 [ 5646.784054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.784054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.784054][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.784054][ T73] netlink_unicast+0x449/0x710 [ 5646.784054][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.784054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.784054][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.784054][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.784054][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.784054][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.784054][ T73] [ 5646.786062][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.786062][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.786062][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.786062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.786062][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5646.786062][ T73] ipv6_add_addr+0x411/0x2000 [ 5646.786062][ T73] inet6_addr_add+0x30e/0xa40 [ 5646.786062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.786062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.786062][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.786062][ T73] netlink_unicast+0x449/0x710 [ 5646.786062][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.786062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.786062][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.786062][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.786062][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.786062][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.786062][ T73] [ 5646.788062][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.788062][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.788062][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.788062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.788062][ T73] ip6_route_add+0x1c/0x140 [ 5646.788062][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5646.788062][ T73] addrconf_add_dev+0xe2/0x170 [ 5646.788062][ T73] inet6_addr_add+0x12f/0xa40 [ 5646.788062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.788062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.788062][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.788062][ T73] netlink_unicast+0x449/0x710 [ 5646.788062][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.788062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.788062][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.788062][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.788062][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.788062][ T73] [ 5646.790021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.790021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5646.790021][ T73] ipv6_find_idev+0x102/0x170 [ 5646.790021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.790021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.790021][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.790021][ T73] netlink_unicast+0x449/0x710 [ 5646.790021][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.790021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.790021][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.790021][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.790021][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.790021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.790021][ T73] [ 5646.791563][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5646.791563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5646.791563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5646.791563][ T73] ipv6_find_idev+0x102/0x170 [ 5646.791563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.791563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.791563][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.791563][ T73] netlink_unicast+0x449/0x710 [ 5646.791563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.791563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.791563][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.791563][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.791563][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.791563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.791563][ T73] [ 5646.793374][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5646.793716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.793716][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5646.793716][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5646.793716][ T73] fib6_nh_init+0xa22/0x1580 [ 5646.793716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.793716][ T73] ip6_route_add+0x1c/0x140 [ 5646.793716][ T73] inet6_rtm_newroute+0x104/0x110 [ 5646.793716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.793716][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.793716][ T73] netlink_unicast+0x449/0x710 [ 5646.793716][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.793716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.793716][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.793716][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.793716][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.793716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.793716][ T73] [ 5646.795791][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.795791][ T73] dst_init+0x84/0x4a0 [ 5646.795791][ T73] dst_alloc+0x97/0x150 [ 5646.795791][ T73] ip6_dst_alloc+0x23/0x90 [ 5646.795791][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5646.795791][ T73] ip6_pol_route+0x56f/0x840 [ 5646.795791][ T73] fib6_rule_lookup+0x456/0x630 [ 5646.795791][ T73] ip6_route_input+0x59c/0xa50 [ 5646.795791][ T73] ipv6_rcv+0x397/0x810 [ 5646.795791][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5646.795791][ T73] process_backlog+0x101/0x620 [ 5646.795791][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5646.795791][ T73] net_rx_action+0x495/0xbe0 [ 5646.795791][ T73] __do_softirq+0x1b5/0x7f6 [ 5646.795791][ T73] [ 5646.797613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.797613][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.797613][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.797613][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.797613][ T73] ip6_route_add+0x1c/0x140 [ 5646.797613][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5646.797613][ T73] inet6_addr_add+0x4f8/0xa40 [ 5646.797613][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.797613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.797613][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.797613][ T73] netlink_unicast+0x449/0x710 [ 5646.797613][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.797613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.797613][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.797613][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.797613][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.797613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.797613][ T73] [ 5646.799862][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.799862][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.799862][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.799862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.799862][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5646.799862][ T73] ipv6_add_addr+0x411/0x2000 [ 5646.799862][ T73] inet6_addr_add+0x30e/0xa40 [ 5646.799862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.799862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.799862][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.799862][ T73] netlink_unicast+0x449/0x710 [ 5646.799862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.799862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.799862][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.799862][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.799862][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.799862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.799862][ T73] [ 5646.802118][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.802118][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.802118][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.802118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.802118][ T73] ip6_route_add+0x1c/0x140 [ 5646.802118][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5646.802118][ T73] addrconf_add_dev+0xe2/0x170 [ 5646.802118][ T73] inet6_addr_add+0x12f/0xa40 [ 5646.802118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.802118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.802118][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.802118][ T73] netlink_unicast+0x449/0x710 [ 5646.802118][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.802118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.802118][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.802118][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.802118][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.802118][ T73] [ 5646.804420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.804420][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5646.804420][ T73] ipv6_find_idev+0x102/0x170 [ 5646.804420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.804420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.804420][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.804420][ T73] netlink_unicast+0x449/0x710 [ 5646.804420][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.804420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.804420][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.804420][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.804420][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.804420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.804420][ T73] [ 5646.806170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5646.806170][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5646.806170][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5646.806170][ T73] ipv6_find_idev+0x102/0x170 [ 5646.806170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.806170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.806170][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.806170][ T73] netlink_unicast+0x449/0x710 [ 5646.806170][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.806170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.806170][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.806170][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.806170][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.806170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.806170][ T73] [ 5646.808053][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5646.808331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5646.808331][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.808331][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.808331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.808331][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5646.808331][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5646.808331][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5646.808331][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5646.808331][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5646.808331][ T73] addrconf_dad_begin+0x310/0x670 [ 5646.808331][ T73] addrconf_dad_work+0x10b/0xab0 [ 5646.808331][ T73] process_one_work+0x84d/0x18a0 [ 5646.808331][ T73] worker_thread+0x587/0xd30 [ 5646.808331][ T73] kthread+0x28a/0x350 [ 5646.808331][ T73] ret_from_fork+0x31/0x70 [ 5646.808331][ T73] ret_from_fork_asm+0x1a/0x30 [ 5646.808331][ T73] [ 5646.810505][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5646.810505][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.810505][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.810505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.810505][ T73] ip6_route_add+0x1c/0x140 [ 5646.810505][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5646.810505][ T73] inet6_addr_add+0x4f8/0xa40 [ 5646.810505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.810505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.810505][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.810505][ T73] netlink_unicast+0x449/0x710 [ 5646.810505][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.810505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.810505][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.810505][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.810505][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.810505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.810505][ T73] [ 5646.812826][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5646.812826][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.812826][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.812826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.812826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5646.812826][ T73] ipv6_add_addr+0x411/0x2000 [ 5646.812826][ T73] inet6_addr_add+0x30e/0xa40 [ 5646.812826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.812826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.812826][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.812826][ T73] netlink_unicast+0x449/0x710 [ 5646.812826][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.812826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.812826][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.812826][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.812826][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.812826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.812826][ T73] [ 5646.815083][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5646.815083][ T73] netdev_get_by_index+0x5e/0x80 [ 5646.815083][ T73] fib6_nh_init+0x3d8/0x1580 [ 5646.815083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5646.815083][ T73] ip6_route_add+0x1c/0x140 [ 5646.815083][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5646.815083][ T73] addrconf_add_dev+0xe2/0x170 [ 5646.815083][ T73] inet6_addr_add+0x12f/0xa40 [ 5646.815083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.815083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.815083][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.815083][ T73] netlink_unicast+0x449/0x710 [ 5646.815083][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.815083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.815083][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.815083][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.815083][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.815083][ T73] [ 5646.817235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5646.817235][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5646.817235][ T73] ipv6_find_idev+0x102/0x170 [ 5646.817235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.817235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.817235][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.817235][ T73] netlink_unicast+0x449/0x710 [ 5646.817235][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.817235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.817235][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.817235][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.817235][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.817235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.817235][ T73] [ 5646.818963][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5646.818963][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5646.818963][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5646.818963][ T73] ipv6_find_idev+0x102/0x170 [ 5646.818963][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.818963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.818963][ T73] netlink_rcv_skb+0x130/0x360 [ 5646.818963][ T73] netlink_unicast+0x449/0x710 [ 5646.818963][ T73] netlink_sendmsg+0x723/0xbe0 [ 5646.818963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5646.818963][ T73] ___sys_sendmsg+0xee/0x170 [ 5646.818963][ T73] __sys_sendmsg+0xcd/0x170 [ 5646.818963][ T73] do_syscall_64+0xc6/0x1e0 [ 5646.818963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.818963][ T73] [ 5657.062902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5657.063325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.063325][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5657.063325][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5657.063325][ T73] fib6_nh_init+0xa22/0x1580 [ 5657.063325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.063325][ T73] ip6_route_add+0x1c/0x140 [ 5657.063325][ T73] inet6_rtm_newroute+0x104/0x110 [ 5657.063325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.063325][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.063325][ T73] netlink_unicast+0x449/0x710 [ 5657.063325][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.063325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.063325][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.063325][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.063325][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.063325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.063325][ T73] [ 5657.065243][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.065243][ T73] dst_init+0x84/0x4a0 [ 5657.065243][ T73] dst_alloc+0x97/0x150 [ 5657.065243][ T73] ip6_dst_alloc+0x23/0x90 [ 5657.065243][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5657.065243][ T73] ip6_pol_route+0x56f/0x840 [ 5657.065243][ T73] fib6_rule_lookup+0x456/0x630 [ 5657.065243][ T73] ip6_route_input+0x59c/0xa50 [ 5657.065243][ T73] ipv6_rcv+0x397/0x810 [ 5657.065243][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5657.065243][ T73] process_backlog+0x101/0x620 [ 5657.065243][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5657.065243][ T73] net_rx_action+0x495/0xbe0 [ 5657.065243][ T73] __do_softirq+0x1b5/0x7f6 [ 5657.065243][ T73] [ 5657.066895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.066895][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.066895][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.066895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.066895][ T73] ip6_route_add+0x1c/0x140 [ 5657.066895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5657.066895][ T73] inet6_addr_add+0x4f8/0xa40 [ 5657.066895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.066895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.066895][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.066895][ T73] netlink_unicast+0x449/0x710 [ 5657.066895][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.066895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.066895][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.066895][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.066895][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.066895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.066895][ T73] [ 5657.068922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.068922][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.068922][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.068922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.068922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5657.068922][ T73] ipv6_add_addr+0x411/0x2000 [ 5657.068922][ T73] inet6_addr_add+0x30e/0xa40 [ 5657.068922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.068922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.068922][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.068922][ T73] netlink_unicast+0x449/0x710 [ 5657.068922][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.068922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.068922][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.068922][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.068922][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.068922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.068922][ T73] [ 5657.070928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.070928][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.070928][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.070928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.070928][ T73] ip6_route_add+0x1c/0x140 [ 5657.070928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5657.070928][ T73] addrconf_add_dev+0xe2/0x170 [ 5657.070928][ T73] inet6_addr_add+0x12f/0xa40 [ 5657.070928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.070928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.070928][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.070928][ T73] netlink_unicast+0x449/0x710 [ 5657.070928][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.070928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.070928][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.070928][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.070928][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.070928][ T73] [ 5657.072908][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.072908][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5657.072908][ T73] ipv6_find_idev+0x102/0x170 [ 5657.072908][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.072908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.072908][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.072908][ T73] netlink_unicast+0x449/0x710 [ 5657.072908][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.072908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.072908][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.072908][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.072908][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.072908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.072908][ T73] [ 5657.074466][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5657.074466][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5657.074466][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5657.074466][ T73] ipv6_find_idev+0x102/0x170 [ 5657.074466][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.074466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.074466][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.074466][ T73] netlink_unicast+0x449/0x710 [ 5657.074466][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.074466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.074466][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.074466][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.074466][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.074466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.074466][ T73] [ 5657.076175][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5657.076450][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.076450][ T73] dst_init+0x84/0x4a0 [ 5657.076450][ T73] dst_alloc+0x97/0x150 [ 5657.076450][ T73] ip6_dst_alloc+0x23/0x90 [ 5657.076450][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5657.076450][ T73] ip6_pol_route+0x56f/0x840 [ 5657.076450][ T73] fib6_rule_lookup+0x456/0x630 [ 5657.076450][ T73] ip6_route_input+0x59c/0xa50 [ 5657.076450][ T73] ipv6_rcv+0x397/0x810 [ 5657.076450][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5657.076450][ T73] process_backlog+0x101/0x620 [ 5657.076450][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5657.076450][ T73] net_rx_action+0x495/0xbe0 [ 5657.076450][ T73] __do_softirq+0x1b5/0x7f6 [ 5657.076450][ T73] [ 5657.078111][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.078111][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.078111][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.078111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.078111][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5657.078111][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5657.078111][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5657.078111][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5657.078111][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5657.078111][ T73] addrconf_dad_begin+0x310/0x670 [ 5657.078111][ T73] addrconf_dad_work+0x10b/0xab0 [ 5657.078111][ T73] process_one_work+0x84d/0x18a0 [ 5657.078111][ T73] worker_thread+0x587/0xd30 [ 5657.078111][ T73] kthread+0x28a/0x350 [ 5657.078111][ T73] ret_from_fork+0x31/0x70 [ 5657.078111][ T73] ret_from_fork_asm+0x1a/0x30 [ 5657.078111][ T73] [ 5657.080028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.080028][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.080028][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.080028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.080028][ T73] ip6_route_add+0x1c/0x140 [ 5657.080028][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5657.080028][ T73] inet6_addr_add+0x4f8/0xa40 [ 5657.080028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.080028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.080028][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.080028][ T73] netlink_unicast+0x449/0x710 [ 5657.080028][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.080028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.080028][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.080028][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.080028][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.080028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.080028][ T73] [ 5657.082039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.082039][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.082039][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.082039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.082039][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5657.082039][ T73] ipv6_add_addr+0x411/0x2000 [ 5657.082039][ T73] inet6_addr_add+0x30e/0xa40 [ 5657.082039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.082039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.082039][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.082039][ T73] netlink_unicast+0x449/0x710 [ 5657.082039][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.082039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.082039][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.082039][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.082039][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.082039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.082039][ T73] [ 5657.084047][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.084047][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.084047][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.084047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.084047][ T73] ip6_route_add+0x1c/0x140 [ 5657.084047][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5657.084047][ T73] addrconf_add_dev+0xe2/0x170 [ 5657.084047][ T73] inet6_addr_add+0x12f/0xa40 [ 5657.084047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.084047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.084047][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.084047][ T73] netlink_unicast+0x449/0x710 [ 5657.084047][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.084047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.084047][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.084047][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.084047][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.084047][ T73] [ 5657.086035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.086035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5657.086035][ T73] ipv6_find_idev+0x102/0x170 [ 5657.086035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.086035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.086035][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.086035][ T73] netlink_unicast+0x449/0x710 [ 5657.086035][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.086035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.086035][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.086035][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.086035][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.086035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.086035][ T73] [ 5657.087573][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5657.087573][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5657.087573][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5657.087573][ T73] ipv6_find_idev+0x102/0x170 [ 5657.087573][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.087573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.087573][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.087573][ T73] netlink_unicast+0x449/0x710 [ 5657.087573][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.087573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.087573][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.087573][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.087573][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.087573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.087573][ T73] [ 5657.089343][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5657.089676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.089676][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5657.089676][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5657.089676][ T73] fib6_nh_init+0xa22/0x1580 [ 5657.089676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.089676][ T73] ip6_route_add+0x1c/0x140 [ 5657.089676][ T73] inet6_rtm_newroute+0x104/0x110 [ 5657.089676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.089676][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.089676][ T73] netlink_unicast+0x449/0x710 [ 5657.089676][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.089676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.089676][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.089676][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.089676][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.089676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.089676][ T73] [ 5657.092150][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.092150][ T73] dst_init+0x84/0x4a0 [ 5657.092150][ T73] dst_alloc+0x97/0x150 [ 5657.092150][ T73] ip6_dst_alloc+0x23/0x90 [ 5657.092150][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5657.092150][ T73] ip6_pol_route+0x56f/0x840 [ 5657.092150][ T73] fib6_rule_lookup+0x456/0x630 [ 5657.092150][ T73] ip6_route_input+0x59c/0xa50 [ 5657.092150][ T73] ipv6_rcv+0x397/0x810 [ 5657.092150][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5657.092150][ T73] process_backlog+0x101/0x620 [ 5657.092150][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5657.092150][ T73] net_rx_action+0x495/0xbe0 [ 5657.092150][ T73] __do_softirq+0x1b5/0x7f6 [ 5657.092150][ T73] [ 5657.093986][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.093986][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.093986][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.093986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.093986][ T73] ip6_route_add+0x1c/0x140 [ 5657.093986][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5657.093986][ T73] inet6_addr_add+0x4f8/0xa40 [ 5657.093986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.093986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.093986][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.093986][ T73] netlink_unicast+0x449/0x710 [ 5657.093986][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.093986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.093986][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.093986][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.093986][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.093986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.093986][ T73] [ 5657.096133][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.096133][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.096133][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.096133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.096133][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5657.096133][ T73] ipv6_add_addr+0x411/0x2000 [ 5657.096133][ T73] inet6_addr_add+0x30e/0xa40 [ 5657.096133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.096133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.096133][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.096133][ T73] netlink_unicast+0x449/0x710 [ 5657.096133][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.096133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.096133][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.096133][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.096133][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.096133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.096133][ T73] [ 5657.098284][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.098284][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.098284][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.098284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.098284][ T73] ip6_route_add+0x1c/0x140 [ 5657.098284][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5657.098284][ T73] addrconf_add_dev+0xe2/0x170 [ 5657.098284][ T73] inet6_addr_add+0x12f/0xa40 [ 5657.098284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.098284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.098284][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.098284][ T73] netlink_unicast+0x449/0x710 [ 5657.098284][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.098284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.098284][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.098284][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.098284][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.098284][ T73] [ 5657.100393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.100393][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5657.100393][ T73] ipv6_find_idev+0x102/0x170 [ 5657.100393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.100393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.100393][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.100393][ T73] netlink_unicast+0x449/0x710 [ 5657.100393][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.100393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.100393][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.100393][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.100393][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.100393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.100393][ T73] [ 5657.102389][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5657.102389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5657.102389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5657.102389][ T73] ipv6_find_idev+0x102/0x170 [ 5657.102389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.102389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.102389][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.102389][ T73] netlink_unicast+0x449/0x710 [ 5657.102389][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.102389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.102389][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.102389][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.102389][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.102389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.102389][ T73] [ 5657.104286][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5657.104569][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5657.104569][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.104569][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.104569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.104569][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5657.104569][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5657.104569][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5657.104569][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5657.104569][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5657.104569][ T73] addrconf_dad_begin+0x310/0x670 [ 5657.104569][ T73] addrconf_dad_work+0x10b/0xab0 [ 5657.104569][ T73] process_one_work+0x84d/0x18a0 [ 5657.104569][ T73] worker_thread+0x587/0xd30 [ 5657.104569][ T73] kthread+0x28a/0x350 [ 5657.104569][ T73] ret_from_fork+0x31/0x70 [ 5657.104569][ T73] ret_from_fork_asm+0x1a/0x30 [ 5657.104569][ T73] [ 5657.106675][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5657.106675][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.106675][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.106675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.106675][ T73] ip6_route_add+0x1c/0x140 [ 5657.106675][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5657.106675][ T73] inet6_addr_add+0x4f8/0xa40 [ 5657.106675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.106675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.106675][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.106675][ T73] netlink_unicast+0x449/0x710 [ 5657.106675][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.106675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.106675][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.106675][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.106675][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.106675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.106675][ T73] [ 5657.108931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5657.108931][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.108931][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.108931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.108931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5657.108931][ T73] ipv6_add_addr+0x411/0x2000 [ 5657.108931][ T73] inet6_addr_add+0x30e/0xa40 [ 5657.108931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.108931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.108931][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.108931][ T73] netlink_unicast+0x449/0x710 [ 5657.108931][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.108931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.108931][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.108931][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.108931][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.108931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.108931][ T73] [ 5657.111178][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5657.111178][ T73] netdev_get_by_index+0x5e/0x80 [ 5657.111178][ T73] fib6_nh_init+0x3d8/0x1580 [ 5657.111178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5657.111178][ T73] ip6_route_add+0x1c/0x140 [ 5657.111178][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5657.111178][ T73] addrconf_add_dev+0xe2/0x170 [ 5657.111178][ T73] inet6_addr_add+0x12f/0xa40 [ 5657.111178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.111178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.111178][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.111178][ T73] netlink_unicast+0x449/0x710 [ 5657.111178][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.111178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.111178][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.111178][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.111178][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.111178][ T73] [ 5657.113394][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5657.113394][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5657.113394][ T73] ipv6_find_idev+0x102/0x170 [ 5657.113394][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.113394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.113394][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.113394][ T73] netlink_unicast+0x449/0x710 [ 5657.113394][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.113394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.113394][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.113394][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.113394][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.113394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.113394][ T73] [ 5657.115133][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5657.115133][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5657.115133][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5657.115133][ T73] ipv6_find_idev+0x102/0x170 [ 5657.115133][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.115133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.115133][ T73] netlink_rcv_skb+0x130/0x360 [ 5657.115133][ T73] netlink_unicast+0x449/0x710 [ 5657.115133][ T73] netlink_sendmsg+0x723/0xbe0 [ 5657.115133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5657.115133][ T73] ___sys_sendmsg+0xee/0x170 [ 5657.115133][ T73] __sys_sendmsg+0xcd/0x170 [ 5657.115133][ T73] do_syscall_64+0xc6/0x1e0 [ 5657.115133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.115133][ T73] [ 5667.358892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5667.359344][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.359344][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5667.359344][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5667.359344][ T73] fib6_nh_init+0xa22/0x1580 [ 5667.359344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.359344][ T73] ip6_route_add+0x1c/0x140 [ 5667.359344][ T73] inet6_rtm_newroute+0x104/0x110 [ 5667.359344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.359344][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.359344][ T73] netlink_unicast+0x449/0x710 [ 5667.359344][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.359344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.359344][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.359344][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.359344][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.359344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.359344][ T73] [ 5667.361220][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.361220][ T73] dst_init+0x84/0x4a0 [ 5667.361220][ T73] dst_alloc+0x97/0x150 [ 5667.361220][ T73] ip6_dst_alloc+0x23/0x90 [ 5667.361220][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5667.361220][ T73] ip6_pol_route+0x56f/0x840 [ 5667.361220][ T73] fib6_rule_lookup+0x456/0x630 [ 5667.361220][ T73] ip6_route_input+0x59c/0xa50 [ 5667.361220][ T73] ipv6_rcv+0x397/0x810 [ 5667.361220][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5667.361220][ T73] process_backlog+0x101/0x620 [ 5667.361220][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5667.361220][ T73] net_rx_action+0x495/0xbe0 [ 5667.361220][ T73] __do_softirq+0x1b5/0x7f6 [ 5667.361220][ T73] [ 5667.362857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.362857][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.362857][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.362857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.362857][ T73] ip6_route_add+0x1c/0x140 [ 5667.362857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5667.362857][ T73] inet6_addr_add+0x4f8/0xa40 [ 5667.362857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.362857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.362857][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.362857][ T73] netlink_unicast+0x449/0x710 [ 5667.362857][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.362857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.362857][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.362857][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.362857][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.362857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.362857][ T73] [ 5667.364846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.364846][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.364846][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.364846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.364846][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5667.364846][ T73] ipv6_add_addr+0x411/0x2000 [ 5667.364846][ T73] inet6_addr_add+0x30e/0xa40 [ 5667.364846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.364846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.364846][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.364846][ T73] netlink_unicast+0x449/0x710 [ 5667.364846][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.364846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.364846][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.364846][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.364846][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.364846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.364846][ T73] [ 5667.366826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.366826][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.366826][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.366826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.366826][ T73] ip6_route_add+0x1c/0x140 [ 5667.366826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5667.366826][ T73] addrconf_add_dev+0xe2/0x170 [ 5667.366826][ T73] inet6_addr_add+0x12f/0xa40 [ 5667.366826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.366826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.366826][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.366826][ T73] netlink_unicast+0x449/0x710 [ 5667.366826][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.366826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.366826][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.366826][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.366826][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.366826][ T73] [ 5667.368769][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.368769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5667.368769][ T73] ipv6_find_idev+0x102/0x170 [ 5667.368769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.368769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.368769][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.368769][ T73] netlink_unicast+0x449/0x710 [ 5667.368769][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.368769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.368769][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.368769][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.368769][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.368769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.368769][ T73] [ 5667.370299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5667.370299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5667.370299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5667.370299][ T73] ipv6_find_idev+0x102/0x170 [ 5667.370299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.370299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.370299][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.370299][ T73] netlink_unicast+0x449/0x710 [ 5667.370299][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.370299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.370299][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.370299][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.370299][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.370299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.370299][ T73] [ 5667.371969][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5667.372243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.372243][ T73] dst_init+0x84/0x4a0 [ 5667.372243][ T73] dst_alloc+0x97/0x150 [ 5667.372243][ T73] ip6_dst_alloc+0x23/0x90 [ 5667.372243][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5667.372243][ T73] ip6_pol_route+0x56f/0x840 [ 5667.372243][ T73] fib6_rule_lookup+0x456/0x630 [ 5667.372243][ T73] ip6_route_input+0x59c/0xa50 [ 5667.372243][ T73] ipv6_rcv+0x397/0x810 [ 5667.372243][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5667.372243][ T73] process_backlog+0x101/0x620 [ 5667.372243][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5667.372243][ T73] net_rx_action+0x495/0xbe0 [ 5667.372243][ T73] __do_softirq+0x1b5/0x7f6 [ 5667.372243][ T73] [ 5667.373867][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.373867][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.373867][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.373867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.373867][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5667.373867][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5667.373867][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5667.373867][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5667.373867][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5667.373867][ T73] addrconf_dad_begin+0x310/0x670 [ 5667.373867][ T73] addrconf_dad_work+0x10b/0xab0 [ 5667.373867][ T73] process_one_work+0x84d/0x18a0 [ 5667.373867][ T73] worker_thread+0x587/0xd30 [ 5667.373867][ T73] kthread+0x28a/0x350 [ 5667.373867][ T73] ret_from_fork+0x31/0x70 [ 5667.373867][ T73] ret_from_fork_asm+0x1a/0x30 [ 5667.373867][ T73] [ 5667.375765][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.375765][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.375765][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.375765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.375765][ T73] ip6_route_add+0x1c/0x140 [ 5667.375765][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5667.375765][ T73] inet6_addr_add+0x4f8/0xa40 [ 5667.375765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.375765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.375765][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.375765][ T73] netlink_unicast+0x449/0x710 [ 5667.375765][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.375765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.375765][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.375765][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.375765][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.375765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.375765][ T73] [ 5667.377758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.377758][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.377758][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.377758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.377758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5667.377758][ T73] ipv6_add_addr+0x411/0x2000 [ 5667.377758][ T73] inet6_addr_add+0x30e/0xa40 [ 5667.377758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.377758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.377758][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.377758][ T73] netlink_unicast+0x449/0x710 [ 5667.377758][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.377758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.377758][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.377758][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.377758][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.377758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.377758][ T73] [ 5667.379743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.379743][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.379743][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.379743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.379743][ T73] ip6_route_add+0x1c/0x140 [ 5667.379743][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5667.379743][ T73] addrconf_add_dev+0xe2/0x170 [ 5667.379743][ T73] inet6_addr_add+0x12f/0xa40 [ 5667.379743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.379743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.379743][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.379743][ T73] netlink_unicast+0x449/0x710 [ 5667.379743][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.379743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.379743][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.379743][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.379743][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.379743][ T73] [ 5667.381690][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.381690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5667.381690][ T73] ipv6_find_idev+0x102/0x170 [ 5667.381690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.381690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.381690][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.381690][ T73] netlink_unicast+0x449/0x710 [ 5667.381690][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.381690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.381690][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.381690][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.381690][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.381690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.381690][ T73] [ 5667.383221][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5667.383221][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5667.383221][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5667.383221][ T73] ipv6_find_idev+0x102/0x170 [ 5667.383221][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.383221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.383221][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.383221][ T73] netlink_unicast+0x449/0x710 [ 5667.383221][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.383221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.383221][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.383221][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.383221][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.383221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.383221][ T73] [ 5667.385028][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5667.385310][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.385310][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5667.385310][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5667.385310][ T73] fib6_nh_init+0xa22/0x1580 [ 5667.385310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.385310][ T73] ip6_route_add+0x1c/0x140 [ 5667.385310][ T73] inet6_rtm_newroute+0x104/0x110 [ 5667.385310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.385310][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.385310][ T73] netlink_unicast+0x449/0x710 [ 5667.385310][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.385310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.385310][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.385310][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.385310][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.385310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.385310][ T73] [ 5667.387429][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.387429][ T73] dst_init+0x84/0x4a0 [ 5667.387429][ T73] dst_alloc+0x97/0x150 [ 5667.387429][ T73] ip6_dst_alloc+0x23/0x90 [ 5667.387429][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5667.387429][ T73] ip6_pol_route+0x56f/0x840 [ 5667.387429][ T73] fib6_rule_lookup+0x456/0x630 [ 5667.387429][ T73] ip6_route_input+0x59c/0xa50 [ 5667.387429][ T73] ipv6_rcv+0x397/0x810 [ 5667.387429][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5667.387429][ T73] process_backlog+0x101/0x620 [ 5667.387429][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5667.387429][ T73] net_rx_action+0x495/0xbe0 [ 5667.387429][ T73] __do_softirq+0x1b5/0x7f6 [ 5667.387429][ T73] [ 5667.389234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.389234][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.389234][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.389234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.389234][ T73] ip6_route_add+0x1c/0x140 [ 5667.389234][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5667.389234][ T73] inet6_addr_add+0x4f8/0xa40 [ 5667.389234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.389234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.389234][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.389234][ T73] netlink_unicast+0x449/0x710 [ 5667.389234][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.389234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.389234][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.389234][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.389234][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.389234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.389234][ T73] [ 5667.391466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.391466][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.391466][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.391466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.391466][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5667.391466][ T73] ipv6_add_addr+0x411/0x2000 [ 5667.391466][ T73] inet6_addr_add+0x30e/0xa40 [ 5667.391466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.391466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.391466][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.391466][ T73] netlink_unicast+0x449/0x710 [ 5667.391466][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.391466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.391466][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.391466][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.391466][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.391466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.391466][ T73] [ 5667.393754][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.393754][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.393754][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.393754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.393754][ T73] ip6_route_add+0x1c/0x140 [ 5667.393754][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5667.393754][ T73] addrconf_add_dev+0xe2/0x170 [ 5667.393754][ T73] inet6_addr_add+0x12f/0xa40 [ 5667.393754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.393754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.393754][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.393754][ T73] netlink_unicast+0x449/0x710 [ 5667.393754][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.393754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.393754][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.393754][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.393754][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.393754][ T73] [ 5667.395888][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.395888][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5667.395888][ T73] ipv6_find_idev+0x102/0x170 [ 5667.395888][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.395888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.395888][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.395888][ T73] netlink_unicast+0x449/0x710 [ 5667.395888][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.395888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.395888][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.395888][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.395888][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.395888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.395888][ T73] [ 5667.397598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5667.397598][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5667.397598][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5667.397598][ T73] ipv6_find_idev+0x102/0x170 [ 5667.397598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.397598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.397598][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.397598][ T73] netlink_unicast+0x449/0x710 [ 5667.397598][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.397598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.397598][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.397598][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.397598][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.397598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.397598][ T73] [ 5667.399514][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5667.399781][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5667.399781][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.399781][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.399781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.399781][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5667.399781][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5667.399781][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5667.399781][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5667.399781][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5667.399781][ T73] addrconf_dad_begin+0x310/0x670 [ 5667.399781][ T73] addrconf_dad_work+0x10b/0xab0 [ 5667.399781][ T73] process_one_work+0x84d/0x18a0 [ 5667.399781][ T73] worker_thread+0x587/0xd30 [ 5667.399781][ T73] kthread+0x28a/0x350 [ 5667.399781][ T73] ret_from_fork+0x31/0x70 [ 5667.399781][ T73] ret_from_fork_asm+0x1a/0x30 [ 5667.399781][ T73] [ 5667.401925][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5667.401925][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.401925][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.401925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.401925][ T73] ip6_route_add+0x1c/0x140 [ 5667.401925][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5667.401925][ T73] inet6_addr_add+0x4f8/0xa40 [ 5667.401925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.401925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.401925][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.401925][ T73] netlink_unicast+0x449/0x710 [ 5667.401925][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.401925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.401925][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.401925][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.401925][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.401925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.401925][ T73] [ 5667.404209][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5667.404209][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.404209][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.404209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.404209][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5667.404209][ T73] ipv6_add_addr+0x411/0x2000 [ 5667.404209][ T73] inet6_addr_add+0x30e/0xa40 [ 5667.404209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.404209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.404209][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.404209][ T73] netlink_unicast+0x449/0x710 [ 5667.404209][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.404209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.404209][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.404209][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.404209][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.404209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.404209][ T73] [ 5667.406380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5667.406380][ T73] netdev_get_by_index+0x5e/0x80 [ 5667.406380][ T73] fib6_nh_init+0x3d8/0x1580 [ 5667.406380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5667.406380][ T73] ip6_route_add+0x1c/0x140 [ 5667.406380][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5667.406380][ T73] addrconf_add_dev+0xe2/0x170 [ 5667.406380][ T73] inet6_addr_add+0x12f/0xa40 [ 5667.406380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.406380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.406380][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.406380][ T73] netlink_unicast+0x449/0x710 [ 5667.406380][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.406380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.406380][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.406380][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.406380][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.406380][ T73] [ 5667.408579][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5667.408579][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5667.408579][ T73] ipv6_find_idev+0x102/0x170 [ 5667.408579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.408579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.408579][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.408579][ T73] netlink_unicast+0x449/0x710 [ 5667.408579][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.408579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.408579][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.408579][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.408579][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.408579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.408579][ T73] [ 5667.410288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5667.410288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5667.410288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5667.410288][ T73] ipv6_find_idev+0x102/0x170 [ 5667.410288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.410288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.410288][ T73] netlink_rcv_skb+0x130/0x360 [ 5667.410288][ T73] netlink_unicast+0x449/0x710 [ 5667.410288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5667.410288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5667.410288][ T73] ___sys_sendmsg+0xee/0x170 [ 5667.410288][ T73] __sys_sendmsg+0xcd/0x170 [ 5667.410288][ T73] do_syscall_64+0xc6/0x1e0 [ 5667.410288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.410288][ T73] [ 5677.478919][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5677.479367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.479367][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5677.479367][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5677.479367][ T73] fib6_nh_init+0xa22/0x1580 [ 5677.479367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.479367][ T73] ip6_route_add+0x1c/0x140 [ 5677.479367][ T73] inet6_rtm_newroute+0x104/0x110 [ 5677.479367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.479367][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.479367][ T73] netlink_unicast+0x449/0x710 [ 5677.479367][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.479367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.479367][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.479367][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.479367][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.479367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.479367][ T73] [ 5677.481273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.481273][ T73] dst_init+0x84/0x4a0 [ 5677.481273][ T73] dst_alloc+0x97/0x150 [ 5677.481273][ T73] ip6_dst_alloc+0x23/0x90 [ 5677.481273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5677.481273][ T73] ip6_pol_route+0x56f/0x840 [ 5677.481273][ T73] fib6_rule_lookup+0x456/0x630 [ 5677.481273][ T73] ip6_route_input+0x59c/0xa50 [ 5677.481273][ T73] ipv6_rcv+0x397/0x810 [ 5677.481273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5677.481273][ T73] process_backlog+0x101/0x620 [ 5677.481273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5677.481273][ T73] net_rx_action+0x495/0xbe0 [ 5677.481273][ T73] __do_softirq+0x1b5/0x7f6 [ 5677.481273][ T73] [ 5677.482900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.482900][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.482900][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.482900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.482900][ T73] ip6_route_add+0x1c/0x140 [ 5677.482900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5677.482900][ T73] inet6_addr_add+0x4f8/0xa40 [ 5677.482900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.482900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.482900][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.482900][ T73] netlink_unicast+0x449/0x710 [ 5677.482900][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.482900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.482900][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.482900][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.482900][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.482900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.482900][ T73] [ 5677.484896][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.484896][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.484896][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.484896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.484896][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5677.484896][ T73] ipv6_add_addr+0x411/0x2000 [ 5677.484896][ T73] inet6_addr_add+0x30e/0xa40 [ 5677.484896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.484896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.484896][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.484896][ T73] netlink_unicast+0x449/0x710 [ 5677.484896][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.484896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.484896][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.484896][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.484896][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.484896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.484896][ T73] [ 5677.486882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.486882][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.486882][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.486882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.486882][ T73] ip6_route_add+0x1c/0x140 [ 5677.486882][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5677.486882][ T73] addrconf_add_dev+0xe2/0x170 [ 5677.486882][ T73] inet6_addr_add+0x12f/0xa40 [ 5677.486882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.486882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.486882][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.486882][ T73] netlink_unicast+0x449/0x710 [ 5677.486882][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.486882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.486882][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.486882][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.486882][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.486882][ T73] [ 5677.488830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.488830][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5677.488830][ T73] ipv6_find_idev+0x102/0x170 [ 5677.488830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.488830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.488830][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.488830][ T73] netlink_unicast+0x449/0x710 [ 5677.488830][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.488830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.488830][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.488830][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.488830][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.488830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.488830][ T73] [ 5677.490357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5677.490357][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5677.490357][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5677.490357][ T73] ipv6_find_idev+0x102/0x170 [ 5677.490357][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.490357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.490357][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.490357][ T73] netlink_unicast+0x449/0x710 [ 5677.490357][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.490357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.490357][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.490357][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.490357][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.490357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.490357][ T73] [ 5677.492034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5677.492313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.492313][ T73] dst_init+0x84/0x4a0 [ 5677.492313][ T73] dst_alloc+0x97/0x150 [ 5677.492313][ T73] ip6_dst_alloc+0x23/0x90 [ 5677.492313][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5677.492313][ T73] ip6_pol_route+0x56f/0x840 [ 5677.492313][ T73] fib6_rule_lookup+0x456/0x630 [ 5677.492313][ T73] ip6_route_input+0x59c/0xa50 [ 5677.492313][ T73] ipv6_rcv+0x397/0x810 [ 5677.492313][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5677.492313][ T73] process_backlog+0x101/0x620 [ 5677.492313][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5677.492313][ T73] net_rx_action+0x495/0xbe0 [ 5677.492313][ T73] __do_softirq+0x1b5/0x7f6 [ 5677.492313][ T73] [ 5677.493944][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.493944][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.493944][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.493944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.493944][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5677.493944][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5677.493944][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5677.493944][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5677.493944][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5677.493944][ T73] addrconf_dad_begin+0x310/0x670 [ 5677.493944][ T73] addrconf_dad_work+0x10b/0xab0 [ 5677.493944][ T73] process_one_work+0x84d/0x18a0 [ 5677.493944][ T73] worker_thread+0x587/0xd30 [ 5677.493944][ T73] kthread+0x28a/0x350 [ 5677.493944][ T73] ret_from_fork+0x31/0x70 [ 5677.493944][ T73] ret_from_fork_asm+0x1a/0x30 [ 5677.493944][ T73] [ 5677.495839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.495839][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.495839][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.495839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.495839][ T73] ip6_route_add+0x1c/0x140 [ 5677.495839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5677.495839][ T73] inet6_addr_add+0x4f8/0xa40 [ 5677.495839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.495839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.495839][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.495839][ T73] netlink_unicast+0x449/0x710 [ 5677.495839][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.495839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.495839][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.495839][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.495839][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.495839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.495839][ T73] [ 5677.497816][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.497816][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.497816][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.497816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.497816][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5677.497816][ T73] ipv6_add_addr+0x411/0x2000 [ 5677.497816][ T73] inet6_addr_add+0x30e/0xa40 [ 5677.497816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.497816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.497816][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.497816][ T73] netlink_unicast+0x449/0x710 [ 5677.497816][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.497816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.497816][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.497816][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.497816][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.497816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.497816][ T73] [ 5677.499800][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.499800][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.499800][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.499800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.499800][ T73] ip6_route_add+0x1c/0x140 [ 5677.499800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5677.499800][ T73] addrconf_add_dev+0xe2/0x170 [ 5677.499800][ T73] inet6_addr_add+0x12f/0xa40 [ 5677.499800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.499800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.499800][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.499800][ T73] netlink_unicast+0x449/0x710 [ 5677.499800][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.499800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.499800][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.499800][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.499800][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.499800][ T73] [ 5677.501748][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.501748][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5677.501748][ T73] ipv6_find_idev+0x102/0x170 [ 5677.501748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.501748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.501748][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.501748][ T73] netlink_unicast+0x449/0x710 [ 5677.501748][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.501748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.501748][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.501748][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.501748][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.501748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.501748][ T73] [ 5677.503273][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5677.503273][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5677.503273][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5677.503273][ T73] ipv6_find_idev+0x102/0x170 [ 5677.503273][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.503273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.503273][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.503273][ T73] netlink_unicast+0x449/0x710 [ 5677.503273][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.503273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.503273][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.503273][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.503273][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.503273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.503273][ T73] [ 5677.505085][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5677.505358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.505358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5677.505358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5677.505358][ T73] fib6_nh_init+0xa22/0x1580 [ 5677.505358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.505358][ T73] ip6_route_add+0x1c/0x140 [ 5677.505358][ T73] inet6_rtm_newroute+0x104/0x110 [ 5677.505358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.505358][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.505358][ T73] netlink_unicast+0x449/0x710 [ 5677.505358][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.505358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.505358][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.505358][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.505358][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.505358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.505358][ T73] [ 5677.507466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.507466][ T73] dst_init+0x84/0x4a0 [ 5677.507466][ T73] dst_alloc+0x97/0x150 [ 5677.507466][ T73] ip6_dst_alloc+0x23/0x90 [ 5677.507466][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5677.507466][ T73] ip6_pol_route+0x56f/0x840 [ 5677.507466][ T73] fib6_rule_lookup+0x456/0x630 [ 5677.507466][ T73] ip6_route_input+0x59c/0xa50 [ 5677.507466][ T73] ipv6_rcv+0x397/0x810 [ 5677.507466][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5677.507466][ T73] process_backlog+0x101/0x620 [ 5677.507466][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5677.507466][ T73] net_rx_action+0x495/0xbe0 [ 5677.507466][ T73] __do_softirq+0x1b5/0x7f6 [ 5677.507466][ T73] [ 5677.509327][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.509327][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.509327][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.509327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.509327][ T73] ip6_route_add+0x1c/0x140 [ 5677.509327][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5677.509327][ T73] inet6_addr_add+0x4f8/0xa40 [ 5677.509327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.509327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.509327][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.509327][ T73] netlink_unicast+0x449/0x710 [ 5677.509327][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.509327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.509327][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.509327][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.509327][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.509327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.509327][ T73] [ 5677.511554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.511554][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.511554][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.511554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.511554][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5677.511554][ T73] ipv6_add_addr+0x411/0x2000 [ 5677.511554][ T73] inet6_addr_add+0x30e/0xa40 [ 5677.511554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.511554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.511554][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.511554][ T73] netlink_unicast+0x449/0x710 [ 5677.511554][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.511554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.511554][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.511554][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.511554][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.511554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.511554][ T73] [ 5677.513782][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.513782][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.513782][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.513782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.513782][ T73] ip6_route_add+0x1c/0x140 [ 5677.513782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5677.513782][ T73] addrconf_add_dev+0xe2/0x170 [ 5677.513782][ T73] inet6_addr_add+0x12f/0xa40 [ 5677.513782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.513782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.513782][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.513782][ T73] netlink_unicast+0x449/0x710 [ 5677.513782][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.513782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.513782][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.513782][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.513782][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.513782][ T73] [ 5677.515909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.515909][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5677.515909][ T73] ipv6_find_idev+0x102/0x170 [ 5677.515909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.515909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.515909][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.515909][ T73] netlink_unicast+0x449/0x710 [ 5677.515909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.515909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.515909][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.515909][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.515909][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.515909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.515909][ T73] [ 5677.517675][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5677.517675][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5677.517675][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5677.517675][ T73] ipv6_find_idev+0x102/0x170 [ 5677.517675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.517675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.517675][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.517675][ T73] netlink_unicast+0x449/0x710 [ 5677.517675][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.517675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.517675][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.517675][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.517675][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.517675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.517675][ T73] [ 5677.519594][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5677.520303][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5677.520303][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.520303][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.520303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.520303][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5677.520303][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5677.520303][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5677.520303][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5677.520303][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5677.520303][ T73] addrconf_dad_begin+0x310/0x670 [ 5677.520303][ T73] addrconf_dad_work+0x10b/0xab0 [ 5677.520303][ T73] process_one_work+0x84d/0x18a0 [ 5677.520303][ T73] worker_thread+0x587/0xd30 [ 5677.520303][ T73] kthread+0x28a/0x350 [ 5677.520303][ T73] ret_from_fork+0x31/0x70 [ 5677.520303][ T73] ret_from_fork_asm+0x1a/0x30 [ 5677.520303][ T73] [ 5677.522200][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5677.522200][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.522200][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.522200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.522200][ T73] ip6_route_add+0x1c/0x140 [ 5677.522200][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5677.522200][ T73] inet6_addr_add+0x4f8/0xa40 [ 5677.522200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.522200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.522200][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.522200][ T73] netlink_unicast+0x449/0x710 [ 5677.522200][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.522200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.522200][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.522200][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.522200][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.522200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.522200][ T73] [ 5677.524305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5677.524305][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.524305][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.524305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.524305][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5677.524305][ T73] ipv6_add_addr+0x411/0x2000 [ 5677.524305][ T73] inet6_addr_add+0x30e/0xa40 [ 5677.524305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.524305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.524305][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.524305][ T73] netlink_unicast+0x449/0x710 [ 5677.524305][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.524305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.524305][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.524305][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.524305][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.524305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.524305][ T73] [ 5677.526481][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5677.526481][ T73] netdev_get_by_index+0x5e/0x80 [ 5677.526481][ T73] fib6_nh_init+0x3d8/0x1580 [ 5677.526481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5677.526481][ T73] ip6_route_add+0x1c/0x140 [ 5677.526481][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5677.526481][ T73] addrconf_add_dev+0xe2/0x170 [ 5677.526481][ T73] inet6_addr_add+0x12f/0xa40 [ 5677.526481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.526481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.526481][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.526481][ T73] netlink_unicast+0x449/0x710 [ 5677.526481][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.526481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.526481][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.526481][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.526481][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.526481][ T73] [ 5677.528672][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5677.528672][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5677.528672][ T73] ipv6_find_idev+0x102/0x170 [ 5677.528672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.528672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.528672][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.528672][ T73] netlink_unicast+0x449/0x710 [ 5677.528672][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.528672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.528672][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.528672][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.528672][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.528672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.528672][ T73] [ 5677.530447][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5677.530447][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5677.530447][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5677.530447][ T73] ipv6_find_idev+0x102/0x170 [ 5677.530447][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.530447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.530447][ T73] netlink_rcv_skb+0x130/0x360 [ 5677.530447][ T73] netlink_unicast+0x449/0x710 [ 5677.530447][ T73] netlink_sendmsg+0x723/0xbe0 [ 5677.530447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5677.530447][ T73] ___sys_sendmsg+0xee/0x170 [ 5677.530447][ T73] __sys_sendmsg+0xcd/0x170 [ 5677.530447][ T73] do_syscall_64+0xc6/0x1e0 [ 5677.530447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.530447][ T73] [ 5687.774910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5687.775307][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.775307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5687.775307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5687.775307][ T73] fib6_nh_init+0xa22/0x1580 [ 5687.775307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.775307][ T73] ip6_route_add+0x1c/0x140 [ 5687.775307][ T73] inet6_rtm_newroute+0x104/0x110 [ 5687.775307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.775307][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.775307][ T73] netlink_unicast+0x449/0x710 [ 5687.775307][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.775307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.775307][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.775307][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.775307][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.775307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.775307][ T73] [ 5687.777187][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.777187][ T73] dst_init+0x84/0x4a0 [ 5687.777187][ T73] dst_alloc+0x97/0x150 [ 5687.777187][ T73] ip6_dst_alloc+0x23/0x90 [ 5687.777187][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5687.777187][ T73] ip6_pol_route+0x56f/0x840 [ 5687.777187][ T73] fib6_rule_lookup+0x456/0x630 [ 5687.777187][ T73] ip6_route_input+0x59c/0xa50 [ 5687.777187][ T73] ipv6_rcv+0x397/0x810 [ 5687.777187][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5687.777187][ T73] process_backlog+0x101/0x620 [ 5687.777187][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5687.777187][ T73] net_rx_action+0x495/0xbe0 [ 5687.777187][ T73] __do_softirq+0x1b5/0x7f6 [ 5687.777187][ T73] [ 5687.778804][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.778804][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.778804][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.778804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.778804][ T73] ip6_route_add+0x1c/0x140 [ 5687.778804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5687.778804][ T73] inet6_addr_add+0x4f8/0xa40 [ 5687.778804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.778804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.778804][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.778804][ T73] netlink_unicast+0x449/0x710 [ 5687.778804][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.778804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.778804][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.778804][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.778804][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.778804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.778804][ T73] [ 5687.780786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.780786][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.780786][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.780786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.780786][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5687.780786][ T73] ipv6_add_addr+0x411/0x2000 [ 5687.780786][ T73] inet6_addr_add+0x30e/0xa40 [ 5687.780786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.780786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.780786][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.780786][ T73] netlink_unicast+0x449/0x710 [ 5687.780786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.780786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.780786][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.780786][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.780786][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.780786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.780786][ T73] [ 5687.783276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.783276][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.783276][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.783276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.783276][ T73] ip6_route_add+0x1c/0x140 [ 5687.783276][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5687.783276][ T73] addrconf_add_dev+0xe2/0x170 [ 5687.783276][ T73] inet6_addr_add+0x12f/0xa40 [ 5687.783276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.783276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.783276][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.783276][ T73] netlink_unicast+0x449/0x710 [ 5687.783276][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.783276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.783276][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.783276][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.783276][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.783276][ T73] [ 5687.785231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.785231][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5687.785231][ T73] ipv6_find_idev+0x102/0x170 [ 5687.785231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.785231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.785231][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.785231][ T73] netlink_unicast+0x449/0x710 [ 5687.785231][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.785231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.785231][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.785231][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.785231][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.785231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.785231][ T73] [ 5687.786757][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5687.786757][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5687.786757][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5687.786757][ T73] ipv6_find_idev+0x102/0x170 [ 5687.786757][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.786757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.786757][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.786757][ T73] netlink_unicast+0x449/0x710 [ 5687.786757][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.786757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.786757][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.786757][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.786757][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.786757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.786757][ T73] [ 5687.788428][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5687.788696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.788696][ T73] dst_init+0x84/0x4a0 [ 5687.788696][ T73] dst_alloc+0x97/0x150 [ 5687.788696][ T73] ip6_dst_alloc+0x23/0x90 [ 5687.788696][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5687.788696][ T73] ip6_pol_route+0x56f/0x840 [ 5687.788696][ T73] fib6_rule_lookup+0x456/0x630 [ 5687.788696][ T73] ip6_route_input+0x59c/0xa50 [ 5687.788696][ T73] ipv6_rcv+0x397/0x810 [ 5687.788696][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5687.788696][ T73] process_backlog+0x101/0x620 [ 5687.788696][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5687.788696][ T73] net_rx_action+0x495/0xbe0 [ 5687.788696][ T73] __do_softirq+0x1b5/0x7f6 [ 5687.788696][ T73] [ 5687.790329][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.790329][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.790329][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.790329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.790329][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5687.790329][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5687.790329][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5687.790329][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5687.790329][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5687.790329][ T73] addrconf_dad_begin+0x310/0x670 [ 5687.790329][ T73] addrconf_dad_work+0x10b/0xab0 [ 5687.790329][ T73] process_one_work+0x84d/0x18a0 [ 5687.790329][ T73] worker_thread+0x587/0xd30 [ 5687.790329][ T73] kthread+0x28a/0x350 [ 5687.790329][ T73] ret_from_fork+0x31/0x70 [ 5687.790329][ T73] ret_from_fork_asm+0x1a/0x30 [ 5687.790329][ T73] [ 5687.792220][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.792220][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.792220][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.792220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.792220][ T73] ip6_route_add+0x1c/0x140 [ 5687.792220][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5687.792220][ T73] inet6_addr_add+0x4f8/0xa40 [ 5687.792220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.792220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.792220][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.792220][ T73] netlink_unicast+0x449/0x710 [ 5687.792220][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.792220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.792220][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.792220][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.792220][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.792220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.792220][ T73] [ 5687.794208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.794208][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.794208][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.794208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.794208][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5687.794208][ T73] ipv6_add_addr+0x411/0x2000 [ 5687.794208][ T73] inet6_addr_add+0x30e/0xa40 [ 5687.794208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.794208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.794208][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.794208][ T73] netlink_unicast+0x449/0x710 [ 5687.794208][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.794208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.794208][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.794208][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.794208][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.794208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.794208][ T73] [ 5687.796187][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.796187][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.796187][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.796187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.796187][ T73] ip6_route_add+0x1c/0x140 [ 5687.796187][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5687.796187][ T73] addrconf_add_dev+0xe2/0x170 [ 5687.796187][ T73] inet6_addr_add+0x12f/0xa40 [ 5687.796187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.796187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.796187][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.796187][ T73] netlink_unicast+0x449/0x710 [ 5687.796187][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.796187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.796187][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.796187][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.796187][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.796187][ T73] [ 5687.798504][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.798504][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5687.798504][ T73] ipv6_find_idev+0x102/0x170 [ 5687.798504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.798504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.798504][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.798504][ T73] netlink_unicast+0x449/0x710 [ 5687.798504][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.798504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.798504][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.798504][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.798504][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.798504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.798504][ T73] [ 5687.800026][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5687.800026][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5687.800026][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5687.800026][ T73] ipv6_find_idev+0x102/0x170 [ 5687.800026][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.800026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.800026][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.800026][ T73] netlink_unicast+0x449/0x710 [ 5687.800026][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.800026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.800026][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.800026][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.800026][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.800026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.800026][ T73] [ 5687.801925][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5687.802273][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.802273][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5687.802273][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5687.802273][ T73] fib6_nh_init+0xa22/0x1580 [ 5687.802273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.802273][ T73] ip6_route_add+0x1c/0x140 [ 5687.802273][ T73] inet6_rtm_newroute+0x104/0x110 [ 5687.802273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.802273][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.802273][ T73] netlink_unicast+0x449/0x710 [ 5687.802273][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.802273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.802273][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.802273][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.802273][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.802273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.802273][ T73] [ 5687.804909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.804909][ T73] dst_init+0x84/0x4a0 [ 5687.804909][ T73] dst_alloc+0x97/0x150 [ 5687.804909][ T73] ip6_dst_alloc+0x23/0x90 [ 5687.804909][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5687.804909][ T73] ip6_pol_route+0x56f/0x840 [ 5687.804909][ T73] fib6_rule_lookup+0x456/0x630 [ 5687.804909][ T73] ip6_route_input+0x59c/0xa50 [ 5687.804909][ T73] ipv6_rcv+0x397/0x810 [ 5687.804909][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5687.804909][ T73] process_backlog+0x101/0x620 [ 5687.804909][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5687.804909][ T73] net_rx_action+0x495/0xbe0 [ 5687.804909][ T73] __do_softirq+0x1b5/0x7f6 [ 5687.804909][ T73] [ 5687.807108][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.807108][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.807108][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.807108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.807108][ T73] ip6_route_add+0x1c/0x140 [ 5687.807108][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5687.807108][ T73] inet6_addr_add+0x4f8/0xa40 [ 5687.807108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.807108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.807108][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.807108][ T73] netlink_unicast+0x449/0x710 [ 5687.807108][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.807108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.807108][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.807108][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.807108][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.807108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.807108][ T73] [ 5687.809864][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.809864][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.809864][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.809864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.809864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5687.809864][ T73] ipv6_add_addr+0x411/0x2000 [ 5687.809864][ T73] inet6_addr_add+0x30e/0xa40 [ 5687.809864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.809864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.809864][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.809864][ T73] netlink_unicast+0x449/0x710 [ 5687.809864][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.809864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.809864][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.809864][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.809864][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.809864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.809864][ T73] [ 5687.812558][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.812558][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.812558][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.812558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.812558][ T73] ip6_route_add+0x1c/0x140 [ 5687.812558][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5687.812558][ T73] addrconf_add_dev+0xe2/0x170 [ 5687.812558][ T73] inet6_addr_add+0x12f/0xa40 [ 5687.812558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.812558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.812558][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.812558][ T73] netlink_unicast+0x449/0x710 [ 5687.812558][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.812558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.812558][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.812558][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.812558][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.812558][ T73] [ 5687.815276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.815276][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5687.815276][ T73] ipv6_find_idev+0x102/0x170 [ 5687.815276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.815276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.815276][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.815276][ T73] netlink_unicast+0x449/0x710 [ 5687.815276][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.815276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.815276][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.815276][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.815276][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.815276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.815276][ T73] [ 5687.817302][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5687.817302][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5687.817302][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5687.817302][ T73] ipv6_find_idev+0x102/0x170 [ 5687.817302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.817302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.817302][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.817302][ T73] netlink_unicast+0x449/0x710 [ 5687.817302][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.817302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.817302][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.817302][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.817302][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.817302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.817302][ T73] [ 5687.819221][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5687.819489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5687.819489][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.819489][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.819489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.819489][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5687.819489][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5687.819489][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5687.819489][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5687.819489][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5687.819489][ T73] addrconf_dad_begin+0x310/0x670 [ 5687.819489][ T73] addrconf_dad_work+0x10b/0xab0 [ 5687.819489][ T73] process_one_work+0x84d/0x18a0 [ 5687.819489][ T73] worker_thread+0x587/0xd30 [ 5687.819489][ T73] kthread+0x28a/0x350 [ 5687.819489][ T73] ret_from_fork+0x31/0x70 [ 5687.819489][ T73] ret_from_fork_asm+0x1a/0x30 [ 5687.819489][ T73] [ 5687.821633][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5687.821633][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.821633][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.821633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.821633][ T73] ip6_route_add+0x1c/0x140 [ 5687.821633][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5687.821633][ T73] inet6_addr_add+0x4f8/0xa40 [ 5687.821633][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.821633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.821633][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.821633][ T73] netlink_unicast+0x449/0x710 [ 5687.821633][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.821633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.821633][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.821633][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.821633][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.821633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.821633][ T73] [ 5687.823922][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5687.823922][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.823922][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.823922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.823922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5687.823922][ T73] ipv6_add_addr+0x411/0x2000 [ 5687.823922][ T73] inet6_addr_add+0x30e/0xa40 [ 5687.823922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.823922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.823922][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.823922][ T73] netlink_unicast+0x449/0x710 [ 5687.823922][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.823922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.823922][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.823922][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.823922][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.823922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.823922][ T73] [ 5687.826106][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5687.826106][ T73] netdev_get_by_index+0x5e/0x80 [ 5687.826106][ T73] fib6_nh_init+0x3d8/0x1580 [ 5687.826106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5687.826106][ T73] ip6_route_add+0x1c/0x140 [ 5687.826106][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5687.826106][ T73] addrconf_add_dev+0xe2/0x170 [ 5687.826106][ T73] inet6_addr_add+0x12f/0xa40 [ 5687.826106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.826106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.826106][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.826106][ T73] netlink_unicast+0x449/0x710 [ 5687.826106][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.826106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.826106][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.826106][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.826106][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.826106][ T73] [ 5687.828299][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5687.828299][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5687.828299][ T73] ipv6_find_idev+0x102/0x170 [ 5687.828299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.828299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.828299][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.828299][ T73] netlink_unicast+0x449/0x710 [ 5687.828299][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.828299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.828299][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.828299][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.828299][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.828299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.828299][ T73] [ 5687.830004][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5687.830004][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5687.830004][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5687.830004][ T73] ipv6_find_idev+0x102/0x170 [ 5687.830004][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.830004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.830004][ T73] netlink_rcv_skb+0x130/0x360 [ 5687.830004][ T73] netlink_unicast+0x449/0x710 [ 5687.830004][ T73] netlink_sendmsg+0x723/0xbe0 [ 5687.830004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5687.830004][ T73] ___sys_sendmsg+0xee/0x170 [ 5687.830004][ T73] __sys_sendmsg+0xcd/0x170 [ 5687.830004][ T73] do_syscall_64+0xc6/0x1e0 [ 5687.830004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.830004][ T73] [ 5698.070923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5698.071311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.071311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5698.071311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5698.071311][ T73] fib6_nh_init+0xa22/0x1580 [ 5698.071311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.071311][ T73] ip6_route_add+0x1c/0x140 [ 5698.071311][ T73] inet6_rtm_newroute+0x104/0x110 [ 5698.071311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.071311][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.071311][ T73] netlink_unicast+0x449/0x710 [ 5698.071311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.071311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.071311][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.071311][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.071311][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.071311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.071311][ T73] [ 5698.073185][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.073185][ T73] dst_init+0x84/0x4a0 [ 5698.073185][ T73] dst_alloc+0x97/0x150 [ 5698.073185][ T73] ip6_dst_alloc+0x23/0x90 [ 5698.073185][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5698.073185][ T73] ip6_pol_route+0x56f/0x840 [ 5698.073185][ T73] fib6_rule_lookup+0x456/0x630 [ 5698.073185][ T73] ip6_route_input+0x59c/0xa50 [ 5698.073185][ T73] ipv6_rcv+0x397/0x810 [ 5698.073185][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5698.073185][ T73] process_backlog+0x101/0x620 [ 5698.073185][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5698.073185][ T73] net_rx_action+0x495/0xbe0 [ 5698.073185][ T73] __do_softirq+0x1b5/0x7f6 [ 5698.073185][ T73] [ 5698.074814][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.074814][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.074814][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.074814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.074814][ T73] ip6_route_add+0x1c/0x140 [ 5698.074814][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5698.074814][ T73] inet6_addr_add+0x4f8/0xa40 [ 5698.074814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.074814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.074814][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.074814][ T73] netlink_unicast+0x449/0x710 [ 5698.074814][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.074814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.074814][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.074814][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.074814][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.074814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.074814][ T73] [ 5698.076802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.076802][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.076802][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.076802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.076802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5698.076802][ T73] ipv6_add_addr+0x411/0x2000 [ 5698.076802][ T73] inet6_addr_add+0x30e/0xa40 [ 5698.076802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.076802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.076802][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.076802][ T73] netlink_unicast+0x449/0x710 [ 5698.076802][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.076802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.076802][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.076802][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.076802][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.076802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.076802][ T73] [ 5698.078790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.078790][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.078790][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.078790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.078790][ T73] ip6_route_add+0x1c/0x140 [ 5698.078790][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5698.078790][ T73] addrconf_add_dev+0xe2/0x170 [ 5698.078790][ T73] inet6_addr_add+0x12f/0xa40 [ 5698.078790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.078790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.078790][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.078790][ T73] netlink_unicast+0x449/0x710 [ 5698.078790][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.078790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.078790][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.078790][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.078790][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.078790][ T73] [ 5698.080743][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.080743][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5698.080743][ T73] ipv6_find_idev+0x102/0x170 [ 5698.080743][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.080743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.080743][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.080743][ T73] netlink_unicast+0x449/0x710 [ 5698.080743][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.080743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.080743][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.080743][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.080743][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.080743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.080743][ T73] [ 5698.082278][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5698.082278][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5698.082278][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5698.082278][ T73] ipv6_find_idev+0x102/0x170 [ 5698.082278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.082278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.082278][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.082278][ T73] netlink_unicast+0x449/0x710 [ 5698.082278][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.082278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.082278][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.082278][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.082278][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.082278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.082278][ T73] [ 5698.083954][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5698.084233][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.084233][ T73] dst_init+0x84/0x4a0 [ 5698.084233][ T73] dst_alloc+0x97/0x150 [ 5698.084233][ T73] ip6_dst_alloc+0x23/0x90 [ 5698.084233][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5698.084233][ T73] ip6_pol_route+0x56f/0x840 [ 5698.084233][ T73] fib6_rule_lookup+0x456/0x630 [ 5698.084233][ T73] ip6_route_input+0x59c/0xa50 [ 5698.084233][ T73] ipv6_rcv+0x397/0x810 [ 5698.084233][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5698.084233][ T73] process_backlog+0x101/0x620 [ 5698.084233][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5698.084233][ T73] net_rx_action+0x495/0xbe0 [ 5698.084233][ T73] __do_softirq+0x1b5/0x7f6 [ 5698.084233][ T73] [ 5698.085874][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.085874][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.085874][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.085874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.085874][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5698.085874][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5698.085874][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5698.085874][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5698.085874][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5698.085874][ T73] addrconf_dad_begin+0x310/0x670 [ 5698.085874][ T73] addrconf_dad_work+0x10b/0xab0 [ 5698.085874][ T73] process_one_work+0x84d/0x18a0 [ 5698.085874][ T73] worker_thread+0x587/0xd30 [ 5698.085874][ T73] kthread+0x28a/0x350 [ 5698.085874][ T73] ret_from_fork+0x31/0x70 [ 5698.085874][ T73] ret_from_fork_asm+0x1a/0x30 [ 5698.085874][ T73] [ 5698.087773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.087773][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.087773][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.087773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.087773][ T73] ip6_route_add+0x1c/0x140 [ 5698.087773][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5698.087773][ T73] inet6_addr_add+0x4f8/0xa40 [ 5698.087773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.087773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.087773][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.087773][ T73] netlink_unicast+0x449/0x710 [ 5698.087773][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.087773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.087773][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.087773][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.087773][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.087773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.087773][ T73] [ 5698.089786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.089786][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.089786][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.089786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.089786][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5698.089786][ T73] ipv6_add_addr+0x411/0x2000 [ 5698.089786][ T73] inet6_addr_add+0x30e/0xa40 [ 5698.089786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.089786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.089786][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.089786][ T73] netlink_unicast+0x449/0x710 [ 5698.089786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.089786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.089786][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.089786][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.089786][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.089786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.089786][ T73] [ 5698.091781][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.091781][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.091781][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.091781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.091781][ T73] ip6_route_add+0x1c/0x140 [ 5698.091781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5698.091781][ T73] addrconf_add_dev+0xe2/0x170 [ 5698.091781][ T73] inet6_addr_add+0x12f/0xa40 [ 5698.091781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.091781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.091781][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.091781][ T73] netlink_unicast+0x449/0x710 [ 5698.091781][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.091781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.091781][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.091781][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.091781][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.091781][ T73] [ 5698.093730][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.093730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5698.093730][ T73] ipv6_find_idev+0x102/0x170 [ 5698.093730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.093730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.093730][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.093730][ T73] netlink_unicast+0x449/0x710 [ 5698.093730][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.093730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.093730][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.093730][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.093730][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.093730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.093730][ T73] [ 5698.095275][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5698.095275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5698.095275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5698.095275][ T73] ipv6_find_idev+0x102/0x170 [ 5698.095275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.095275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.095275][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.095275][ T73] netlink_unicast+0x449/0x710 [ 5698.095275][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.095275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.095275][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.095275][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.095275][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.095275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.095275][ T73] [ 5698.097079][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5698.097347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.097347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5698.097347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5698.097347][ T73] fib6_nh_init+0xa22/0x1580 [ 5698.097347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.097347][ T73] ip6_route_add+0x1c/0x140 [ 5698.097347][ T73] inet6_rtm_newroute+0x104/0x110 [ 5698.097347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.097347][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.097347][ T73] netlink_unicast+0x449/0x710 [ 5698.097347][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.097347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.097347][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.097347][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.097347][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.097347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.097347][ T73] [ 5698.099524][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.099524][ T73] dst_init+0x84/0x4a0 [ 5698.099524][ T73] dst_alloc+0x97/0x150 [ 5698.099524][ T73] ip6_dst_alloc+0x23/0x90 [ 5698.099524][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5698.099524][ T73] ip6_pol_route+0x56f/0x840 [ 5698.099524][ T73] fib6_rule_lookup+0x456/0x630 [ 5698.099524][ T73] ip6_route_input+0x59c/0xa50 [ 5698.099524][ T73] ipv6_rcv+0x397/0x810 [ 5698.099524][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5698.099524][ T73] process_backlog+0x101/0x620 [ 5698.099524][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5698.099524][ T73] net_rx_action+0x495/0xbe0 [ 5698.099524][ T73] __do_softirq+0x1b5/0x7f6 [ 5698.099524][ T73] [ 5698.101325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.101325][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.101325][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.101325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.101325][ T73] ip6_route_add+0x1c/0x140 [ 5698.101325][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5698.101325][ T73] inet6_addr_add+0x4f8/0xa40 [ 5698.101325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.101325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.101325][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.101325][ T73] netlink_unicast+0x449/0x710 [ 5698.101325][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.101325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.101325][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.101325][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.101325][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.101325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.101325][ T73] [ 5698.103550][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.103550][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.103550][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.103550][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.103550][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5698.103550][ T73] ipv6_add_addr+0x411/0x2000 [ 5698.103550][ T73] inet6_addr_add+0x30e/0xa40 [ 5698.103550][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.103550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.103550][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.103550][ T73] netlink_unicast+0x449/0x710 [ 5698.103550][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.103550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.103550][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.103550][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.103550][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.103550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.103550][ T73] [ 5698.105781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.105781][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.105781][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.105781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.105781][ T73] ip6_route_add+0x1c/0x140 [ 5698.105781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5698.105781][ T73] addrconf_add_dev+0xe2/0x170 [ 5698.105781][ T73] inet6_addr_add+0x12f/0xa40 [ 5698.105781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.105781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.105781][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.105781][ T73] netlink_unicast+0x449/0x710 [ 5698.105781][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.105781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.105781][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.105781][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.105781][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.105781][ T73] [ 5698.107974][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.107974][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5698.107974][ T73] ipv6_find_idev+0x102/0x170 [ 5698.107974][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.107974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.107974][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.107974][ T73] netlink_unicast+0x449/0x710 [ 5698.107974][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.107974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.107974][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.107974][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.107974][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.107974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.107974][ T73] [ 5698.109684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5698.109684][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5698.109684][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5698.109684][ T73] ipv6_find_idev+0x102/0x170 [ 5698.109684][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.109684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.109684][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.109684][ T73] netlink_unicast+0x449/0x710 [ 5698.109684][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.109684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.109684][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.109684][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.109684][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.109684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.109684][ T73] [ 5698.111593][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5698.112295][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5698.112295][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.112295][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.112295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.112295][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5698.112295][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5698.112295][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5698.112295][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5698.112295][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5698.112295][ T73] addrconf_dad_begin+0x310/0x670 [ 5698.112295][ T73] addrconf_dad_work+0x10b/0xab0 [ 5698.112295][ T73] process_one_work+0x84d/0x18a0 [ 5698.112295][ T73] worker_thread+0x587/0xd30 [ 5698.112295][ T73] kthread+0x28a/0x350 [ 5698.112295][ T73] ret_from_fork+0x31/0x70 [ 5698.112295][ T73] ret_from_fork_asm+0x1a/0x30 [ 5698.112295][ T73] [ 5698.114182][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5698.114182][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.114182][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.114182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.114182][ T73] ip6_route_add+0x1c/0x140 [ 5698.114182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5698.114182][ T73] inet6_addr_add+0x4f8/0xa40 [ 5698.114182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.114182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.114182][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.114182][ T73] netlink_unicast+0x449/0x710 [ 5698.114182][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.114182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.114182][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.114182][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.114182][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.114182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.114182][ T73] [ 5698.116287][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5698.116287][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.116287][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.116287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.116287][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5698.116287][ T73] ipv6_add_addr+0x411/0x2000 [ 5698.116287][ T73] inet6_addr_add+0x30e/0xa40 [ 5698.116287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.116287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.116287][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.116287][ T73] netlink_unicast+0x449/0x710 [ 5698.116287][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.116287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.116287][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.116287][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.116287][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.116287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.116287][ T73] [ 5698.118458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5698.118458][ T73] netdev_get_by_index+0x5e/0x80 [ 5698.118458][ T73] fib6_nh_init+0x3d8/0x1580 [ 5698.118458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5698.118458][ T73] ip6_route_add+0x1c/0x140 [ 5698.118458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5698.118458][ T73] addrconf_add_dev+0xe2/0x170 [ 5698.118458][ T73] inet6_addr_add+0x12f/0xa40 [ 5698.118458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.118458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.118458][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.118458][ T73] netlink_unicast+0x449/0x710 [ 5698.118458][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.118458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.118458][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.118458][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.118458][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.118458][ T73] [ 5698.120713][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5698.120713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5698.120713][ T73] ipv6_find_idev+0x102/0x170 [ 5698.120713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.120713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.120713][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.120713][ T73] netlink_unicast+0x449/0x710 [ 5698.120713][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.120713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.120713][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.120713][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.120713][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.120713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.120713][ T73] [ 5698.122419][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5698.122419][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5698.122419][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5698.122419][ T73] ipv6_find_idev+0x102/0x170 [ 5698.122419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.122419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.122419][ T73] netlink_rcv_skb+0x130/0x360 [ 5698.122419][ T73] netlink_unicast+0x449/0x710 [ 5698.122419][ T73] netlink_sendmsg+0x723/0xbe0 [ 5698.122419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5698.122419][ T73] ___sys_sendmsg+0xee/0x170 [ 5698.122419][ T73] __sys_sendmsg+0xcd/0x170 [ 5698.122419][ T73] do_syscall_64+0xc6/0x1e0 [ 5698.122419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.122419][ T73] [ 5708.366929][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5708.367381][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.367381][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5708.367381][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5708.367381][ T73] fib6_nh_init+0xa22/0x1580 [ 5708.367381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.367381][ T73] ip6_route_add+0x1c/0x140 [ 5708.367381][ T73] inet6_rtm_newroute+0x104/0x110 [ 5708.367381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.367381][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.367381][ T73] netlink_unicast+0x449/0x710 [ 5708.367381][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.367381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.367381][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.367381][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.367381][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.367381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.367381][ T73] [ 5708.369257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.369257][ T73] dst_init+0x84/0x4a0 [ 5708.369257][ T73] dst_alloc+0x97/0x150 [ 5708.369257][ T73] ip6_dst_alloc+0x23/0x90 [ 5708.369257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5708.369257][ T73] ip6_pol_route+0x56f/0x840 [ 5708.369257][ T73] fib6_rule_lookup+0x456/0x630 [ 5708.369257][ T73] ip6_route_input+0x59c/0xa50 [ 5708.369257][ T73] ipv6_rcv+0x397/0x810 [ 5708.369257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5708.369257][ T73] process_backlog+0x101/0x620 [ 5708.369257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5708.369257][ T73] net_rx_action+0x495/0xbe0 [ 5708.369257][ T73] __do_softirq+0x1b5/0x7f6 [ 5708.369257][ T73] [ 5708.370883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.370883][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.370883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.370883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.370883][ T73] ip6_route_add+0x1c/0x140 [ 5708.370883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5708.370883][ T73] inet6_addr_add+0x4f8/0xa40 [ 5708.370883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.370883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.370883][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.370883][ T73] netlink_unicast+0x449/0x710 [ 5708.370883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.370883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.370883][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.370883][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.370883][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.370883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.370883][ T73] [ 5708.372861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.372861][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.372861][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.372861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.372861][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5708.372861][ T73] ipv6_add_addr+0x411/0x2000 [ 5708.372861][ T73] inet6_addr_add+0x30e/0xa40 [ 5708.372861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.372861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.372861][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.372861][ T73] netlink_unicast+0x449/0x710 [ 5708.372861][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.372861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.372861][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.372861][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.372861][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.372861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.372861][ T73] [ 5708.374859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.374859][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.374859][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.374859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.374859][ T73] ip6_route_add+0x1c/0x140 [ 5708.374859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5708.374859][ T73] addrconf_add_dev+0xe2/0x170 [ 5708.374859][ T73] inet6_addr_add+0x12f/0xa40 [ 5708.374859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.374859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.374859][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.374859][ T73] netlink_unicast+0x449/0x710 [ 5708.374859][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.374859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.374859][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.374859][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.374859][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.374859][ T73] [ 5708.376810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.376810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5708.376810][ T73] ipv6_find_idev+0x102/0x170 [ 5708.376810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.376810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.376810][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.376810][ T73] netlink_unicast+0x449/0x710 [ 5708.376810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.376810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.376810][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.376810][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.376810][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.376810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.376810][ T73] [ 5708.378331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5708.378331][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5708.378331][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5708.378331][ T73] ipv6_find_idev+0x102/0x170 [ 5708.378331][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.378331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.378331][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.378331][ T73] netlink_unicast+0x449/0x710 [ 5708.378331][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.378331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.378331][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.378331][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.378331][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.378331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.378331][ T73] [ 5708.380008][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5708.380274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.380274][ T73] dst_init+0x84/0x4a0 [ 5708.380274][ T73] dst_alloc+0x97/0x150 [ 5708.380274][ T73] ip6_dst_alloc+0x23/0x90 [ 5708.380274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5708.380274][ T73] ip6_pol_route+0x56f/0x840 [ 5708.380274][ T73] fib6_rule_lookup+0x456/0x630 [ 5708.380274][ T73] ip6_route_input+0x59c/0xa50 [ 5708.380274][ T73] ipv6_rcv+0x397/0x810 [ 5708.380274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5708.380274][ T73] process_backlog+0x101/0x620 [ 5708.380274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5708.380274][ T73] net_rx_action+0x495/0xbe0 [ 5708.380274][ T73] __do_softirq+0x1b5/0x7f6 [ 5708.380274][ T73] [ 5708.381901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.381901][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.381901][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.381901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.381901][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5708.381901][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5708.381901][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5708.381901][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5708.381901][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5708.381901][ T73] addrconf_dad_begin+0x310/0x670 [ 5708.381901][ T73] addrconf_dad_work+0x10b/0xab0 [ 5708.381901][ T73] process_one_work+0x84d/0x18a0 [ 5708.381901][ T73] worker_thread+0x587/0xd30 [ 5708.381901][ T73] kthread+0x28a/0x350 [ 5708.381901][ T73] ret_from_fork+0x31/0x70 [ 5708.381901][ T73] ret_from_fork_asm+0x1a/0x30 [ 5708.381901][ T73] [ 5708.383789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.383789][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.383789][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.383789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.383789][ T73] ip6_route_add+0x1c/0x140 [ 5708.383789][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5708.383789][ T73] inet6_addr_add+0x4f8/0xa40 [ 5708.383789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.383789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.383789][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.383789][ T73] netlink_unicast+0x449/0x710 [ 5708.383789][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.383789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.383789][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.383789][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.383789][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.383789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.383789][ T73] [ 5708.385787][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.385787][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.385787][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.385787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.385787][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5708.385787][ T73] ipv6_add_addr+0x411/0x2000 [ 5708.385787][ T73] inet6_addr_add+0x30e/0xa40 [ 5708.385787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.385787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.385787][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.385787][ T73] netlink_unicast+0x449/0x710 [ 5708.385787][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.385787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.385787][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.385787][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.385787][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.385787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.385787][ T73] [ 5708.387770][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.387770][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.387770][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.387770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.387770][ T73] ip6_route_add+0x1c/0x140 [ 5708.387770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5708.387770][ T73] addrconf_add_dev+0xe2/0x170 [ 5708.387770][ T73] inet6_addr_add+0x12f/0xa40 [ 5708.387770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.387770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.387770][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.387770][ T73] netlink_unicast+0x449/0x710 [ 5708.387770][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.387770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.387770][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.387770][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.387770][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.387770][ T73] [ 5708.389710][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.389710][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5708.389710][ T73] ipv6_find_idev+0x102/0x170 [ 5708.389710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.389710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.389710][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.389710][ T73] netlink_unicast+0x449/0x710 [ 5708.389710][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.389710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.389710][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.389710][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.389710][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.389710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.389710][ T73] [ 5708.391234][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5708.391234][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5708.391234][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5708.391234][ T73] ipv6_find_idev+0x102/0x170 [ 5708.391234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.391234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.391234][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.391234][ T73] netlink_unicast+0x449/0x710 [ 5708.391234][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.391234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.391234][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.391234][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.391234][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.391234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.391234][ T73] [ 5708.393027][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5708.393294][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.393294][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5708.393294][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5708.393294][ T73] fib6_nh_init+0xa22/0x1580 [ 5708.393294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.393294][ T73] ip6_route_add+0x1c/0x140 [ 5708.393294][ T73] inet6_rtm_newroute+0x104/0x110 [ 5708.393294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.393294][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.393294][ T73] netlink_unicast+0x449/0x710 [ 5708.393294][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.393294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.393294][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.393294][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.393294][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.393294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.393294][ T73] [ 5708.395515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.395515][ T73] dst_init+0x84/0x4a0 [ 5708.395515][ T73] dst_alloc+0x97/0x150 [ 5708.395515][ T73] ip6_dst_alloc+0x23/0x90 [ 5708.395515][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5708.395515][ T73] ip6_pol_route+0x56f/0x840 [ 5708.395515][ T73] fib6_rule_lookup+0x456/0x630 [ 5708.395515][ T73] ip6_route_input+0x59c/0xa50 [ 5708.395515][ T73] ipv6_rcv+0x397/0x810 [ 5708.395515][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5708.395515][ T73] process_backlog+0x101/0x620 [ 5708.395515][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5708.395515][ T73] net_rx_action+0x495/0xbe0 [ 5708.395515][ T73] __do_softirq+0x1b5/0x7f6 [ 5708.395515][ T73] [ 5708.397321][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.397321][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.397321][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.397321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.397321][ T73] ip6_route_add+0x1c/0x140 [ 5708.397321][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5708.397321][ T73] inet6_addr_add+0x4f8/0xa40 [ 5708.397321][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.397321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.397321][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.397321][ T73] netlink_unicast+0x449/0x710 [ 5708.397321][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.397321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.397321][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.397321][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.397321][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.397321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.397321][ T73] [ 5708.399543][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.399543][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.399543][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.399543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.399543][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5708.399543][ T73] ipv6_add_addr+0x411/0x2000 [ 5708.399543][ T73] inet6_addr_add+0x30e/0xa40 [ 5708.399543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.399543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.399543][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.399543][ T73] netlink_unicast+0x449/0x710 [ 5708.399543][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.399543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.399543][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.399543][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.399543][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.399543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.399543][ T73] [ 5708.401767][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.401767][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.401767][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.401767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.401767][ T73] ip6_route_add+0x1c/0x140 [ 5708.401767][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5708.401767][ T73] addrconf_add_dev+0xe2/0x170 [ 5708.401767][ T73] inet6_addr_add+0x12f/0xa40 [ 5708.401767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.401767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.401767][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.401767][ T73] netlink_unicast+0x449/0x710 [ 5708.401767][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.401767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.401767][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.401767][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.401767][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.401767][ T73] [ 5708.404008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.404008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5708.404008][ T73] ipv6_find_idev+0x102/0x170 [ 5708.404008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.404008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.404008][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.404008][ T73] netlink_unicast+0x449/0x710 [ 5708.404008][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.404008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.404008][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.404008][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.404008][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.404008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.404008][ T73] [ 5708.405722][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5708.405722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5708.405722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5708.405722][ T73] ipv6_find_idev+0x102/0x170 [ 5708.405722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.405722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.405722][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.405722][ T73] netlink_unicast+0x449/0x710 [ 5708.405722][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.405722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.405722][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.405722][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.405722][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.405722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.405722][ T73] [ 5708.407581][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5708.408284][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5708.408284][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.408284][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.408284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.408284][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5708.408284][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5708.408284][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5708.408284][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5708.408284][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5708.408284][ T73] addrconf_dad_begin+0x310/0x670 [ 5708.408284][ T73] addrconf_dad_work+0x10b/0xab0 [ 5708.408284][ T73] process_one_work+0x84d/0x18a0 [ 5708.408284][ T73] worker_thread+0x587/0xd30 [ 5708.408284][ T73] kthread+0x28a/0x350 [ 5708.408284][ T73] ret_from_fork+0x31/0x70 [ 5708.408284][ T73] ret_from_fork_asm+0x1a/0x30 [ 5708.408284][ T73] [ 5708.410169][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5708.410169][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.410169][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.410169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.410169][ T73] ip6_route_add+0x1c/0x140 [ 5708.410169][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5708.410169][ T73] inet6_addr_add+0x4f8/0xa40 [ 5708.410169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.410169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.410169][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.410169][ T73] netlink_unicast+0x449/0x710 [ 5708.410169][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.410169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.410169][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.410169][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.410169][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.410169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.410169][ T73] [ 5708.412261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5708.412261][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.412261][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.412261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.412261][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5708.412261][ T73] ipv6_add_addr+0x411/0x2000 [ 5708.412261][ T73] inet6_addr_add+0x30e/0xa40 [ 5708.412261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.412261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.412261][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.412261][ T73] netlink_unicast+0x449/0x710 [ 5708.412261][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.412261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.412261][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.412261][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.412261][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.412261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.412261][ T73] [ 5708.414481][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5708.414481][ T73] netdev_get_by_index+0x5e/0x80 [ 5708.414481][ T73] fib6_nh_init+0x3d8/0x1580 [ 5708.414481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5708.414481][ T73] ip6_route_add+0x1c/0x140 [ 5708.414481][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5708.414481][ T73] addrconf_add_dev+0xe2/0x170 [ 5708.414481][ T73] inet6_addr_add+0x12f/0xa40 [ 5708.414481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.414481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.414481][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.414481][ T73] netlink_unicast+0x449/0x710 [ 5708.414481][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.414481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.414481][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.414481][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.414481][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.414481][ T73] [ 5708.416663][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5708.416663][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5708.416663][ T73] ipv6_find_idev+0x102/0x170 [ 5708.416663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.416663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.416663][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.416663][ T73] netlink_unicast+0x449/0x710 [ 5708.416663][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.416663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.416663][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.416663][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.416663][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.416663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.416663][ T73] [ 5708.418367][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5708.418367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5708.418367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5708.418367][ T73] ipv6_find_idev+0x102/0x170 [ 5708.418367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.418367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.418367][ T73] netlink_rcv_skb+0x130/0x360 [ 5708.418367][ T73] netlink_unicast+0x449/0x710 [ 5708.418367][ T73] netlink_sendmsg+0x723/0xbe0 [ 5708.418367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5708.418367][ T73] ___sys_sendmsg+0xee/0x170 [ 5708.418367][ T73] __sys_sendmsg+0xcd/0x170 [ 5708.418367][ T73] do_syscall_64+0xc6/0x1e0 [ 5708.418367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.418367][ T73] [ 5718.662925][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5718.663335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.663335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5718.663335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5718.663335][ T73] fib6_nh_init+0xa22/0x1580 [ 5718.663335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.663335][ T73] ip6_route_add+0x1c/0x140 [ 5718.663335][ T73] inet6_rtm_newroute+0x104/0x110 [ 5718.663335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.663335][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.663335][ T73] netlink_unicast+0x449/0x710 [ 5718.663335][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.663335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.663335][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.663335][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.663335][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.663335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.663335][ T73] [ 5718.665253][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.665253][ T73] dst_init+0x84/0x4a0 [ 5718.665253][ T73] dst_alloc+0x97/0x150 [ 5718.665253][ T73] ip6_dst_alloc+0x23/0x90 [ 5718.665253][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5718.665253][ T73] ip6_pol_route+0x56f/0x840 [ 5718.665253][ T73] fib6_rule_lookup+0x456/0x630 [ 5718.665253][ T73] ip6_route_input+0x59c/0xa50 [ 5718.665253][ T73] ipv6_rcv+0x397/0x810 [ 5718.665253][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5718.665253][ T73] process_backlog+0x101/0x620 [ 5718.665253][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5718.665253][ T73] net_rx_action+0x495/0xbe0 [ 5718.665253][ T73] __do_softirq+0x1b5/0x7f6 [ 5718.665253][ T73] [ 5718.666894][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.666894][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.666894][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.666894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.666894][ T73] ip6_route_add+0x1c/0x140 [ 5718.666894][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5718.666894][ T73] inet6_addr_add+0x4f8/0xa40 [ 5718.666894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.666894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.666894][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.666894][ T73] netlink_unicast+0x449/0x710 [ 5718.666894][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.666894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.666894][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.666894][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.666894][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.666894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.666894][ T73] [ 5718.668895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.668895][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.668895][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.668895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.668895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5718.668895][ T73] ipv6_add_addr+0x411/0x2000 [ 5718.668895][ T73] inet6_addr_add+0x30e/0xa40 [ 5718.668895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.668895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.668895][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.668895][ T73] netlink_unicast+0x449/0x710 [ 5718.668895][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.668895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.668895][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.668895][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.668895][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.668895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.668895][ T73] [ 5718.670898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.670898][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.670898][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.670898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.670898][ T73] ip6_route_add+0x1c/0x140 [ 5718.670898][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5718.670898][ T73] addrconf_add_dev+0xe2/0x170 [ 5718.670898][ T73] inet6_addr_add+0x12f/0xa40 [ 5718.670898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.670898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.670898][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.670898][ T73] netlink_unicast+0x449/0x710 [ 5718.670898][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.670898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.670898][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.670898][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.670898][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.670898][ T73] [ 5718.672874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.672874][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5718.672874][ T73] ipv6_find_idev+0x102/0x170 [ 5718.672874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.672874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.672874][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.672874][ T73] netlink_unicast+0x449/0x710 [ 5718.672874][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.672874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.672874][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.672874][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.672874][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.672874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.672874][ T73] [ 5718.674437][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5718.674437][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5718.674437][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5718.674437][ T73] ipv6_find_idev+0x102/0x170 [ 5718.674437][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.674437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.674437][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.674437][ T73] netlink_unicast+0x449/0x710 [ 5718.674437][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.674437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.674437][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.674437][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.674437][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.674437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.674437][ T73] [ 5718.676146][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5718.676422][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.676422][ T73] dst_init+0x84/0x4a0 [ 5718.676422][ T73] dst_alloc+0x97/0x150 [ 5718.676422][ T73] ip6_dst_alloc+0x23/0x90 [ 5718.676422][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5718.676422][ T73] ip6_pol_route+0x56f/0x840 [ 5718.676422][ T73] fib6_rule_lookup+0x456/0x630 [ 5718.676422][ T73] ip6_route_input+0x59c/0xa50 [ 5718.676422][ T73] ipv6_rcv+0x397/0x810 [ 5718.676422][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5718.676422][ T73] process_backlog+0x101/0x620 [ 5718.676422][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5718.676422][ T73] net_rx_action+0x495/0xbe0 [ 5718.676422][ T73] __do_softirq+0x1b5/0x7f6 [ 5718.676422][ T73] [ 5718.678070][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.678070][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.678070][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.678070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.678070][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5718.678070][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5718.678070][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5718.678070][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5718.678070][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5718.678070][ T73] addrconf_dad_begin+0x310/0x670 [ 5718.678070][ T73] addrconf_dad_work+0x10b/0xab0 [ 5718.678070][ T73] process_one_work+0x84d/0x18a0 [ 5718.678070][ T73] worker_thread+0x587/0xd30 [ 5718.678070][ T73] kthread+0x28a/0x350 [ 5718.678070][ T73] ret_from_fork+0x31/0x70 [ 5718.678070][ T73] ret_from_fork_asm+0x1a/0x30 [ 5718.678070][ T73] [ 5718.679986][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.679986][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.679986][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.679986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.679986][ T73] ip6_route_add+0x1c/0x140 [ 5718.679986][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5718.679986][ T73] inet6_addr_add+0x4f8/0xa40 [ 5718.679986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.679986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.679986][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.679986][ T73] netlink_unicast+0x449/0x710 [ 5718.679986][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.679986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.679986][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.679986][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.679986][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.679986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.679986][ T73] [ 5718.681990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.681990][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.681990][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.681990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.681990][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5718.681990][ T73] ipv6_add_addr+0x411/0x2000 [ 5718.681990][ T73] inet6_addr_add+0x30e/0xa40 [ 5718.681990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.681990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.681990][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.681990][ T73] netlink_unicast+0x449/0x710 [ 5718.681990][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.681990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.681990][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.681990][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.681990][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.681990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.681990][ T73] [ 5718.683994][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.683994][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.683994][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.683994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.683994][ T73] ip6_route_add+0x1c/0x140 [ 5718.683994][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5718.683994][ T73] addrconf_add_dev+0xe2/0x170 [ 5718.683994][ T73] inet6_addr_add+0x12f/0xa40 [ 5718.683994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.683994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.683994][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.683994][ T73] netlink_unicast+0x449/0x710 [ 5718.683994][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.683994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.683994][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.683994][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.683994][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.683994][ T73] [ 5718.685972][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.685972][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5718.685972][ T73] ipv6_find_idev+0x102/0x170 [ 5718.685972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.685972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.685972][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.685972][ T73] netlink_unicast+0x449/0x710 [ 5718.685972][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.685972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.685972][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.685972][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.685972][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.685972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.685972][ T73] [ 5718.687513][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5718.687513][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5718.687513][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5718.687513][ T73] ipv6_find_idev+0x102/0x170 [ 5718.687513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.687513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.687513][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.687513][ T73] netlink_unicast+0x449/0x710 [ 5718.687513][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.687513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.687513][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.687513][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.687513][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.687513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.687513][ T73] [ 5718.689327][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5718.689664][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.689664][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5718.689664][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5718.689664][ T73] fib6_nh_init+0xa22/0x1580 [ 5718.689664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.689664][ T73] ip6_route_add+0x1c/0x140 [ 5718.689664][ T73] inet6_rtm_newroute+0x104/0x110 [ 5718.689664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.689664][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.689664][ T73] netlink_unicast+0x449/0x710 [ 5718.689664][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.689664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.689664][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.689664][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.689664][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.689664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.689664][ T73] [ 5718.691722][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.691722][ T73] dst_init+0x84/0x4a0 [ 5718.691722][ T73] dst_alloc+0x97/0x150 [ 5718.691722][ T73] ip6_dst_alloc+0x23/0x90 [ 5718.691722][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5718.691722][ T73] ip6_pol_route+0x56f/0x840 [ 5718.691722][ T73] fib6_rule_lookup+0x456/0x630 [ 5718.691722][ T73] ip6_route_input+0x59c/0xa50 [ 5718.691722][ T73] ipv6_rcv+0x397/0x810 [ 5718.691722][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5718.691722][ T73] process_backlog+0x101/0x620 [ 5718.691722][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5718.691722][ T73] net_rx_action+0x495/0xbe0 [ 5718.691722][ T73] __do_softirq+0x1b5/0x7f6 [ 5718.691722][ T73] [ 5718.693537][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.693537][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.693537][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.693537][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.693537][ T73] ip6_route_add+0x1c/0x140 [ 5718.693537][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5718.693537][ T73] inet6_addr_add+0x4f8/0xa40 [ 5718.693537][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.693537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.693537][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.693537][ T73] netlink_unicast+0x449/0x710 [ 5718.693537][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.693537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.693537][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.693537][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.693537][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.693537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.693537][ T73] [ 5718.695797][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.695797][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.695797][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.695797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.695797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5718.695797][ T73] ipv6_add_addr+0x411/0x2000 [ 5718.695797][ T73] inet6_addr_add+0x30e/0xa40 [ 5718.695797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.695797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.695797][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.695797][ T73] netlink_unicast+0x449/0x710 [ 5718.695797][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.695797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.695797][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.695797][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.695797][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.695797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.695797][ T73] [ 5718.698105][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.698105][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.698105][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.698105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.698105][ T73] ip6_route_add+0x1c/0x140 [ 5718.698105][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5718.698105][ T73] addrconf_add_dev+0xe2/0x170 [ 5718.698105][ T73] inet6_addr_add+0x12f/0xa40 [ 5718.698105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.698105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.698105][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.698105][ T73] netlink_unicast+0x449/0x710 [ 5718.698105][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.698105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.698105][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.698105][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.698105][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.698105][ T73] [ 5718.700320][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.700320][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5718.700320][ T73] ipv6_find_idev+0x102/0x170 [ 5718.700320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.700320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.700320][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.700320][ T73] netlink_unicast+0x449/0x710 [ 5718.700320][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.700320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.700320][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.700320][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.700320][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.700320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.700320][ T73] [ 5718.702044][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5718.702044][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5718.702044][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5718.702044][ T73] ipv6_find_idev+0x102/0x170 [ 5718.702044][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.702044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.702044][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.702044][ T73] netlink_unicast+0x449/0x710 [ 5718.702044][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.702044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.702044][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.702044][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.702044][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.702044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.702044][ T73] [ 5718.703920][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5718.704201][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5718.704201][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.704201][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.704201][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.704201][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5718.704201][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5718.704201][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5718.704201][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5718.704201][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5718.704201][ T73] addrconf_dad_begin+0x310/0x670 [ 5718.704201][ T73] addrconf_dad_work+0x10b/0xab0 [ 5718.704201][ T73] process_one_work+0x84d/0x18a0 [ 5718.704201][ T73] worker_thread+0x587/0xd30 [ 5718.704201][ T73] kthread+0x28a/0x350 [ 5718.704201][ T73] ret_from_fork+0x31/0x70 [ 5718.704201][ T73] ret_from_fork_asm+0x1a/0x30 [ 5718.704201][ T73] [ 5718.706417][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5718.706417][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.706417][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.706417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.706417][ T73] ip6_route_add+0x1c/0x140 [ 5718.706417][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5718.706417][ T73] inet6_addr_add+0x4f8/0xa40 [ 5718.706417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.706417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.706417][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.706417][ T73] netlink_unicast+0x449/0x710 [ 5718.706417][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.706417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.706417][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.706417][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.706417][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.706417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.706417][ T73] [ 5718.708658][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5718.708658][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.708658][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.708658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.708658][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5718.708658][ T73] ipv6_add_addr+0x411/0x2000 [ 5718.708658][ T73] inet6_addr_add+0x30e/0xa40 [ 5718.708658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.708658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.708658][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.708658][ T73] netlink_unicast+0x449/0x710 [ 5718.708658][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.708658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.708658][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.708658][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.708658][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.708658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.708658][ T73] [ 5718.710906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5718.710906][ T73] netdev_get_by_index+0x5e/0x80 [ 5718.710906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5718.710906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5718.710906][ T73] ip6_route_add+0x1c/0x140 [ 5718.710906][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5718.710906][ T73] addrconf_add_dev+0xe2/0x170 [ 5718.710906][ T73] inet6_addr_add+0x12f/0xa40 [ 5718.710906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.710906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.710906][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.710906][ T73] netlink_unicast+0x449/0x710 [ 5718.710906][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.710906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.710906][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.710906][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.710906][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.710906][ T73] [ 5718.713055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5718.713055][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5718.713055][ T73] ipv6_find_idev+0x102/0x170 [ 5718.713055][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.713055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.713055][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.713055][ T73] netlink_unicast+0x449/0x710 [ 5718.713055][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.713055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.713055][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.713055][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.713055][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.713055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.713055][ T73] [ 5718.714786][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5718.714786][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5718.714786][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5718.714786][ T73] ipv6_find_idev+0x102/0x170 [ 5718.714786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.714786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.714786][ T73] netlink_rcv_skb+0x130/0x360 [ 5718.714786][ T73] netlink_unicast+0x449/0x710 [ 5718.714786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5718.714786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5718.714786][ T73] ___sys_sendmsg+0xee/0x170 [ 5718.714786][ T73] __sys_sendmsg+0xcd/0x170 [ 5718.714786][ T73] do_syscall_64+0xc6/0x1e0 [ 5718.714786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.714786][ T73] [ 5728.958900][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5728.959305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.959305][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5728.959305][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5728.959305][ T73] fib6_nh_init+0xa22/0x1580 [ 5728.959305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.959305][ T73] ip6_route_add+0x1c/0x140 [ 5728.959305][ T73] inet6_rtm_newroute+0x104/0x110 [ 5728.959305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.959305][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.959305][ T73] netlink_unicast+0x449/0x710 [ 5728.959305][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.959305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.959305][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.959305][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.959305][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.959305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.959305][ T73] [ 5728.961226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.961226][ T73] dst_init+0x84/0x4a0 [ 5728.961226][ T73] dst_alloc+0x97/0x150 [ 5728.961226][ T73] ip6_dst_alloc+0x23/0x90 [ 5728.961226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5728.961226][ T73] ip6_pol_route+0x56f/0x840 [ 5728.961226][ T73] fib6_rule_lookup+0x456/0x630 [ 5728.961226][ T73] ip6_route_input+0x59c/0xa50 [ 5728.961226][ T73] ipv6_rcv+0x397/0x810 [ 5728.961226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5728.961226][ T73] process_backlog+0x101/0x620 [ 5728.961226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5728.961226][ T73] net_rx_action+0x495/0xbe0 [ 5728.961226][ T73] __do_softirq+0x1b5/0x7f6 [ 5728.961226][ T73] [ 5728.962868][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.962868][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.962868][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.962868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.962868][ T73] ip6_route_add+0x1c/0x140 [ 5728.962868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5728.962868][ T73] inet6_addr_add+0x4f8/0xa40 [ 5728.962868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.962868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.962868][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.962868][ T73] netlink_unicast+0x449/0x710 [ 5728.962868][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.962868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.962868][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.962868][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.962868][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.962868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.962868][ T73] [ 5728.964883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.964883][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.964883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.964883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.964883][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5728.964883][ T73] ipv6_add_addr+0x411/0x2000 [ 5728.964883][ T73] inet6_addr_add+0x30e/0xa40 [ 5728.964883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.964883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.964883][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.964883][ T73] netlink_unicast+0x449/0x710 [ 5728.964883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.964883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.964883][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.964883][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.964883][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.964883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.964883][ T73] [ 5728.966888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.966888][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.966888][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.966888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.966888][ T73] ip6_route_add+0x1c/0x140 [ 5728.966888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5728.966888][ T73] addrconf_add_dev+0xe2/0x170 [ 5728.966888][ T73] inet6_addr_add+0x12f/0xa40 [ 5728.966888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.966888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.966888][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.966888][ T73] netlink_unicast+0x449/0x710 [ 5728.966888][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.966888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.966888][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.966888][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.966888][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.966888][ T73] [ 5728.968872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.968872][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5728.968872][ T73] ipv6_find_idev+0x102/0x170 [ 5728.968872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.968872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.968872][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.968872][ T73] netlink_unicast+0x449/0x710 [ 5728.968872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.968872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.968872][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.968872][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.968872][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.968872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.968872][ T73] [ 5728.970415][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5728.970415][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5728.970415][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5728.970415][ T73] ipv6_find_idev+0x102/0x170 [ 5728.970415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.970415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.970415][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.970415][ T73] netlink_unicast+0x449/0x710 [ 5728.970415][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.970415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.970415][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.970415][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.970415][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.970415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.970415][ T73] [ 5728.972136][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5728.972416][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.972416][ T73] dst_init+0x84/0x4a0 [ 5728.972416][ T73] dst_alloc+0x97/0x150 [ 5728.972416][ T73] ip6_dst_alloc+0x23/0x90 [ 5728.972416][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5728.972416][ T73] ip6_pol_route+0x56f/0x840 [ 5728.972416][ T73] fib6_rule_lookup+0x456/0x630 [ 5728.972416][ T73] ip6_route_input+0x59c/0xa50 [ 5728.972416][ T73] ipv6_rcv+0x397/0x810 [ 5728.972416][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5728.972416][ T73] process_backlog+0x101/0x620 [ 5728.972416][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5728.972416][ T73] net_rx_action+0x495/0xbe0 [ 5728.972416][ T73] __do_softirq+0x1b5/0x7f6 [ 5728.972416][ T73] [ 5728.974063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.974063][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.974063][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.974063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.974063][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5728.974063][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5728.974063][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5728.974063][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5728.974063][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5728.974063][ T73] addrconf_dad_begin+0x310/0x670 [ 5728.974063][ T73] addrconf_dad_work+0x10b/0xab0 [ 5728.974063][ T73] process_one_work+0x84d/0x18a0 [ 5728.974063][ T73] worker_thread+0x587/0xd30 [ 5728.974063][ T73] kthread+0x28a/0x350 [ 5728.974063][ T73] ret_from_fork+0x31/0x70 [ 5728.974063][ T73] ret_from_fork_asm+0x1a/0x30 [ 5728.974063][ T73] [ 5728.975990][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.975990][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.975990][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.975990][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.975990][ T73] ip6_route_add+0x1c/0x140 [ 5728.975990][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5728.975990][ T73] inet6_addr_add+0x4f8/0xa40 [ 5728.975990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.975990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.975990][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.975990][ T73] netlink_unicast+0x449/0x710 [ 5728.975990][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.975990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.975990][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.975990][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.975990][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.975990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.975990][ T73] [ 5728.977998][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.977998][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.977998][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.977998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.977998][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5728.977998][ T73] ipv6_add_addr+0x411/0x2000 [ 5728.977998][ T73] inet6_addr_add+0x30e/0xa40 [ 5728.977998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.977998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.977998][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.977998][ T73] netlink_unicast+0x449/0x710 [ 5728.977998][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.977998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.977998][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.977998][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.977998][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.977998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.977998][ T73] [ 5728.980001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.980001][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.980001][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.980001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.980001][ T73] ip6_route_add+0x1c/0x140 [ 5728.980001][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5728.980001][ T73] addrconf_add_dev+0xe2/0x170 [ 5728.980001][ T73] inet6_addr_add+0x12f/0xa40 [ 5728.980001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.980001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.980001][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.980001][ T73] netlink_unicast+0x449/0x710 [ 5728.980001][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.980001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.980001][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.980001][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.980001][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.980001][ T73] [ 5728.981971][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.981971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5728.981971][ T73] ipv6_find_idev+0x102/0x170 [ 5728.981971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.981971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.981971][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.981971][ T73] netlink_unicast+0x449/0x710 [ 5728.981971][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.981971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.981971][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.981971][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.981971][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.981971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.981971][ T73] [ 5728.983508][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5728.983508][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5728.983508][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5728.983508][ T73] ipv6_find_idev+0x102/0x170 [ 5728.983508][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.983508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.983508][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.983508][ T73] netlink_unicast+0x449/0x710 [ 5728.983508][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.983508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.983508][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.983508][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.983508][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.983508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.983508][ T73] [ 5728.985278][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5728.985604][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.985604][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5728.985604][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5728.985604][ T73] fib6_nh_init+0xa22/0x1580 [ 5728.985604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.985604][ T73] ip6_route_add+0x1c/0x140 [ 5728.985604][ T73] inet6_rtm_newroute+0x104/0x110 [ 5728.985604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.985604][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.985604][ T73] netlink_unicast+0x449/0x710 [ 5728.985604][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.985604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.985604][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.985604][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.985604][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.985604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.985604][ T73] [ 5728.987734][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.987734][ T73] dst_init+0x84/0x4a0 [ 5728.987734][ T73] dst_alloc+0x97/0x150 [ 5728.987734][ T73] ip6_dst_alloc+0x23/0x90 [ 5728.987734][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5728.987734][ T73] ip6_pol_route+0x56f/0x840 [ 5728.987734][ T73] fib6_rule_lookup+0x456/0x630 [ 5728.987734][ T73] ip6_route_input+0x59c/0xa50 [ 5728.987734][ T73] ipv6_rcv+0x397/0x810 [ 5728.987734][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5728.987734][ T73] process_backlog+0x101/0x620 [ 5728.987734][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5728.987734][ T73] net_rx_action+0x495/0xbe0 [ 5728.987734][ T73] __do_softirq+0x1b5/0x7f6 [ 5728.987734][ T73] [ 5728.989553][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.989553][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.989553][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.989553][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.989553][ T73] ip6_route_add+0x1c/0x140 [ 5728.989553][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5728.989553][ T73] inet6_addr_add+0x4f8/0xa40 [ 5728.989553][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.989553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.989553][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.989553][ T73] netlink_unicast+0x449/0x710 [ 5728.989553][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.989553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.989553][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.989553][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.989553][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.989553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.989553][ T73] [ 5728.991808][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.991808][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.991808][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.991808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.991808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5728.991808][ T73] ipv6_add_addr+0x411/0x2000 [ 5728.991808][ T73] inet6_addr_add+0x30e/0xa40 [ 5728.991808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.991808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.991808][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.991808][ T73] netlink_unicast+0x449/0x710 [ 5728.991808][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.991808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.991808][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.991808][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.991808][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.991808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.991808][ T73] [ 5728.994062][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.994062][ T73] netdev_get_by_index+0x5e/0x80 [ 5728.994062][ T73] fib6_nh_init+0x3d8/0x1580 [ 5728.994062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5728.994062][ T73] ip6_route_add+0x1c/0x140 [ 5728.994062][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5728.994062][ T73] addrconf_add_dev+0xe2/0x170 [ 5728.994062][ T73] inet6_addr_add+0x12f/0xa40 [ 5728.994062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.994062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.994062][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.994062][ T73] netlink_unicast+0x449/0x710 [ 5728.994062][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.994062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.994062][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.994062][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.994062][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.994062][ T73] [ 5728.996343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.996343][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5728.996343][ T73] ipv6_find_idev+0x102/0x170 [ 5728.996343][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.996343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.996343][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.996343][ T73] netlink_unicast+0x449/0x710 [ 5728.996343][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.996343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.996343][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.996343][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.996343][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.996343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.996343][ T73] [ 5728.998070][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5728.998070][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5728.998070][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5728.998070][ T73] ipv6_find_idev+0x102/0x170 [ 5728.998070][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.998070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.998070][ T73] netlink_rcv_skb+0x130/0x360 [ 5728.998070][ T73] netlink_unicast+0x449/0x710 [ 5728.998070][ T73] netlink_sendmsg+0x723/0xbe0 [ 5728.998070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5728.998070][ T73] ___sys_sendmsg+0xee/0x170 [ 5728.998070][ T73] __sys_sendmsg+0xcd/0x170 [ 5728.998070][ T73] do_syscall_64+0xc6/0x1e0 [ 5728.998070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.998070][ T73] [ 5728.999947][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5729.000216][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5729.000216][ T73] netdev_get_by_index+0x5e/0x80 [ 5729.000216][ T73] fib6_nh_init+0x3d8/0x1580 [ 5729.000216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5729.000216][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5729.000216][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5729.000216][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5729.000216][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5729.000216][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5729.000216][ T73] addrconf_dad_begin+0x310/0x670 [ 5729.000216][ T73] addrconf_dad_work+0x10b/0xab0 [ 5729.000216][ T73] process_one_work+0x84d/0x18a0 [ 5729.000216][ T73] worker_thread+0x587/0xd30 [ 5729.000216][ T73] kthread+0x28a/0x350 [ 5729.000216][ T73] ret_from_fork+0x31/0x70 [ 5729.000216][ T73] ret_from_fork_asm+0x1a/0x30 [ 5729.000216][ T73] [ 5729.002395][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5729.002395][ T73] netdev_get_by_index+0x5e/0x80 [ 5729.002395][ T73] fib6_nh_init+0x3d8/0x1580 [ 5729.002395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5729.002395][ T73] ip6_route_add+0x1c/0x140 [ 5729.002395][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5729.002395][ T73] inet6_addr_add+0x4f8/0xa40 [ 5729.002395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.002395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.002395][ T73] netlink_rcv_skb+0x130/0x360 [ 5729.002395][ T73] netlink_unicast+0x449/0x710 [ 5729.002395][ T73] netlink_sendmsg+0x723/0xbe0 [ 5729.002395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5729.002395][ T73] ___sys_sendmsg+0xee/0x170 [ 5729.002395][ T73] __sys_sendmsg+0xcd/0x170 [ 5729.002395][ T73] do_syscall_64+0xc6/0x1e0 [ 5729.002395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.002395][ T73] [ 5729.004648][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5729.004648][ T73] netdev_get_by_index+0x5e/0x80 [ 5729.004648][ T73] fib6_nh_init+0x3d8/0x1580 [ 5729.004648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5729.004648][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5729.004648][ T73] ipv6_add_addr+0x411/0x2000 [ 5729.004648][ T73] inet6_addr_add+0x30e/0xa40 [ 5729.004648][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.004648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.004648][ T73] netlink_rcv_skb+0x130/0x360 [ 5729.004648][ T73] netlink_unicast+0x449/0x710 [ 5729.004648][ T73] netlink_sendmsg+0x723/0xbe0 [ 5729.004648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5729.004648][ T73] ___sys_sendmsg+0xee/0x170 [ 5729.004648][ T73] __sys_sendmsg+0xcd/0x170 [ 5729.004648][ T73] do_syscall_64+0xc6/0x1e0 [ 5729.004648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.004648][ T73] [ 5729.006961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5729.006961][ T73] netdev_get_by_index+0x5e/0x80 [ 5729.006961][ T73] fib6_nh_init+0x3d8/0x1580 [ 5729.006961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5729.006961][ T73] ip6_route_add+0x1c/0x140 [ 5729.006961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5729.006961][ T73] addrconf_add_dev+0xe2/0x170 [ 5729.006961][ T73] inet6_addr_add+0x12f/0xa40 [ 5729.006961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.006961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.006961][ T73] netlink_rcv_skb+0x130/0x360 [ 5729.006961][ T73] netlink_unicast+0x449/0x710 [ 5729.006961][ T73] netlink_sendmsg+0x723/0xbe0 [ 5729.006961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5729.006961][ T73] ___sys_sendmsg+0xee/0x170 [ 5729.006961][ T73] __sys_sendmsg+0xcd/0x170 [ 5729.006961][ T73] do_syscall_64+0xc6/0x1e0 [ 5729.006961][ T73] [ 5729.009116][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5729.009116][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5729.009116][ T73] ipv6_find_idev+0x102/0x170 [ 5729.009116][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5729.009116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.009116][ T73] netlink_rcv_skb+0x130/0x360 [ 5729.009116][ T73] netlink_unicast+0x449/0x710 [ 5729.009116][ T73] netlink_sendmsg+0x723/0xbe0 [ 5729.009116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5729.009116][ T73] ___sys_sendmsg+0xee/0x170 [ 5729.009116][ T73] __sys_sendmsg+0xcd/0x170 [ 5729.009116][ T73] do_syscall_64+0xc6/0x1e0 [ 5729.009116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.009116][ T73] [ 5729.010841][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5729.010841][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5729.010841][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5729.010841][ T73] ipv6_find_idev+0x102/0x170 [ 5729.010841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5729.010841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.010841][ T73] netlink_rcv_skb+0x130/0x360 [ 5729.010841][ T73] netlink_unicast+0x449/0x710 [ 5729.010841][ T73] netlink_sendmsg+0x723/0xbe0 [ 5729.010841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5729.010841][ T73] ___sys_sendmsg+0xee/0x170 [ 5729.010841][ T73] __sys_sendmsg+0xcd/0x170 [ 5729.010841][ T73] do_syscall_64+0xc6/0x1e0 [ 5729.010841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.010841][ T73] [ 5739.190921][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5739.191379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.191379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5739.191379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5739.191379][ T73] fib6_nh_init+0xa22/0x1580 [ 5739.191379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.191379][ T73] ip6_route_add+0x1c/0x140 [ 5739.191379][ T73] inet6_rtm_newroute+0x104/0x110 [ 5739.191379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.191379][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.191379][ T73] netlink_unicast+0x449/0x710 [ 5739.191379][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.191379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.191379][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.191379][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.191379][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.191379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.191379][ T73] [ 5739.193287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.193287][ T73] dst_init+0x84/0x4a0 [ 5739.193287][ T73] dst_alloc+0x97/0x150 [ 5739.193287][ T73] ip6_dst_alloc+0x23/0x90 [ 5739.193287][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5739.193287][ T73] ip6_pol_route+0x56f/0x840 [ 5739.193287][ T73] fib6_rule_lookup+0x456/0x630 [ 5739.193287][ T73] ip6_route_input+0x59c/0xa50 [ 5739.193287][ T73] ipv6_rcv+0x397/0x810 [ 5739.193287][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5739.193287][ T73] process_backlog+0x101/0x620 [ 5739.193287][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5739.193287][ T73] net_rx_action+0x495/0xbe0 [ 5739.193287][ T73] __do_softirq+0x1b5/0x7f6 [ 5739.193287][ T73] [ 5739.194952][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.194952][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.194952][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.194952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.194952][ T73] ip6_route_add+0x1c/0x140 [ 5739.194952][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5739.194952][ T73] inet6_addr_add+0x4f8/0xa40 [ 5739.194952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.194952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.194952][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.194952][ T73] netlink_unicast+0x449/0x710 [ 5739.194952][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.194952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.194952][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.194952][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.194952][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.194952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.194952][ T73] [ 5739.196965][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.196965][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.196965][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.196965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.196965][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5739.196965][ T73] ipv6_add_addr+0x411/0x2000 [ 5739.196965][ T73] inet6_addr_add+0x30e/0xa40 [ 5739.196965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.196965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.196965][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.196965][ T73] netlink_unicast+0x449/0x710 [ 5739.196965][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.196965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.196965][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.196965][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.196965][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.196965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.196965][ T73] [ 5739.198982][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.198982][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.198982][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.198982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.198982][ T73] ip6_route_add+0x1c/0x140 [ 5739.198982][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5739.198982][ T73] addrconf_add_dev+0xe2/0x170 [ 5739.198982][ T73] inet6_addr_add+0x12f/0xa40 [ 5739.198982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.198982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.198982][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.198982][ T73] netlink_unicast+0x449/0x710 [ 5739.198982][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.198982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.198982][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.198982][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.198982][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.198982][ T73] [ 5739.200958][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.200958][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5739.200958][ T73] ipv6_find_idev+0x102/0x170 [ 5739.200958][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.200958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.200958][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.200958][ T73] netlink_unicast+0x449/0x710 [ 5739.200958][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.200958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.200958][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.200958][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.200958][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.200958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.200958][ T73] [ 5739.202505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5739.202505][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5739.202505][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5739.202505][ T73] ipv6_find_idev+0x102/0x170 [ 5739.202505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.202505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.202505][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.202505][ T73] netlink_unicast+0x449/0x710 [ 5739.202505][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.202505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.202505][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.202505][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.202505][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.202505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.202505][ T73] [ 5739.204221][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5739.204500][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.204500][ T73] dst_init+0x84/0x4a0 [ 5739.204500][ T73] dst_alloc+0x97/0x150 [ 5739.204500][ T73] ip6_dst_alloc+0x23/0x90 [ 5739.204500][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5739.204500][ T73] ip6_pol_route+0x56f/0x840 [ 5739.204500][ T73] fib6_rule_lookup+0x456/0x630 [ 5739.204500][ T73] ip6_route_input+0x59c/0xa50 [ 5739.204500][ T73] ipv6_rcv+0x397/0x810 [ 5739.204500][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5739.204500][ T73] process_backlog+0x101/0x620 [ 5739.204500][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5739.204500][ T73] net_rx_action+0x495/0xbe0 [ 5739.204500][ T73] __do_softirq+0x1b5/0x7f6 [ 5739.204500][ T73] [ 5739.206148][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.206148][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.206148][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.206148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.206148][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5739.206148][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5739.206148][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5739.206148][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5739.206148][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5739.206148][ T73] addrconf_dad_begin+0x310/0x670 [ 5739.206148][ T73] addrconf_dad_work+0x10b/0xab0 [ 5739.206148][ T73] process_one_work+0x84d/0x18a0 [ 5739.206148][ T73] worker_thread+0x587/0xd30 [ 5739.206148][ T73] kthread+0x28a/0x350 [ 5739.206148][ T73] ret_from_fork+0x31/0x70 [ 5739.206148][ T73] ret_from_fork_asm+0x1a/0x30 [ 5739.206148][ T73] [ 5739.208078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.208078][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.208078][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.208078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.208078][ T73] ip6_route_add+0x1c/0x140 [ 5739.208078][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5739.208078][ T73] inet6_addr_add+0x4f8/0xa40 [ 5739.208078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.208078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.208078][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.208078][ T73] netlink_unicast+0x449/0x710 [ 5739.208078][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.208078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.208078][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.208078][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.208078][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.208078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.208078][ T73] [ 5739.210080][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.210080][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.210080][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.210080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.210080][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5739.210080][ T73] ipv6_add_addr+0x411/0x2000 [ 5739.210080][ T73] inet6_addr_add+0x30e/0xa40 [ 5739.210080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.210080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.210080][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.210080][ T73] netlink_unicast+0x449/0x710 [ 5739.210080][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.210080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.210080][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.210080][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.210080][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.210080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.210080][ T73] [ 5739.212091][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.212091][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.212091][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.212091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.212091][ T73] ip6_route_add+0x1c/0x140 [ 5739.212091][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5739.212091][ T73] addrconf_add_dev+0xe2/0x170 [ 5739.212091][ T73] inet6_addr_add+0x12f/0xa40 [ 5739.212091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.212091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.212091][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.212091][ T73] netlink_unicast+0x449/0x710 [ 5739.212091][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.212091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.212091][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.212091][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.212091][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.212091][ T73] [ 5739.214071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.214071][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5739.214071][ T73] ipv6_find_idev+0x102/0x170 [ 5739.214071][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.214071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.214071][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.214071][ T73] netlink_unicast+0x449/0x710 [ 5739.214071][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.214071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.214071][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.214071][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.214071][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.214071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.214071][ T73] [ 5739.215652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5739.215652][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5739.215652][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5739.215652][ T73] ipv6_find_idev+0x102/0x170 [ 5739.215652][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.215652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.215652][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.215652][ T73] netlink_unicast+0x449/0x710 [ 5739.215652][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.215652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.215652][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.215652][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.215652][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.215652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.215652][ T73] [ 5739.217470][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5739.217811][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.217811][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5739.217811][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5739.217811][ T73] fib6_nh_init+0xa22/0x1580 [ 5739.217811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.217811][ T73] ip6_route_add+0x1c/0x140 [ 5739.217811][ T73] inet6_rtm_newroute+0x104/0x110 [ 5739.217811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.217811][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.217811][ T73] netlink_unicast+0x449/0x710 [ 5739.217811][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.217811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.217811][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.217811][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.217811][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.217811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.217811][ T73] [ 5739.219869][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.219869][ T73] dst_init+0x84/0x4a0 [ 5739.219869][ T73] dst_alloc+0x97/0x150 [ 5739.219869][ T73] ip6_dst_alloc+0x23/0x90 [ 5739.219869][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5739.219869][ T73] ip6_pol_route+0x56f/0x840 [ 5739.219869][ T73] fib6_rule_lookup+0x456/0x630 [ 5739.219869][ T73] ip6_route_input+0x59c/0xa50 [ 5739.219869][ T73] ipv6_rcv+0x397/0x810 [ 5739.219869][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5739.219869][ T73] process_backlog+0x101/0x620 [ 5739.219869][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5739.219869][ T73] net_rx_action+0x495/0xbe0 [ 5739.219869][ T73] __do_softirq+0x1b5/0x7f6 [ 5739.219869][ T73] [ 5739.221687][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.221687][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.221687][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.221687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.221687][ T73] ip6_route_add+0x1c/0x140 [ 5739.221687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5739.221687][ T73] inet6_addr_add+0x4f8/0xa40 [ 5739.221687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.221687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.221687][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.221687][ T73] netlink_unicast+0x449/0x710 [ 5739.221687][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.221687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.221687][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.221687][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.221687][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.221687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.221687][ T73] [ 5739.224006][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.224006][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.224006][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.224006][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.224006][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5739.224006][ T73] ipv6_add_addr+0x411/0x2000 [ 5739.224006][ T73] inet6_addr_add+0x30e/0xa40 [ 5739.224006][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.224006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.224006][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.224006][ T73] netlink_unicast+0x449/0x710 [ 5739.224006][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.224006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.224006][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.224006][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.224006][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.224006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.224006][ T73] [ 5739.226261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.226261][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.226261][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.226261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.226261][ T73] ip6_route_add+0x1c/0x140 [ 5739.226261][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5739.226261][ T73] addrconf_add_dev+0xe2/0x170 [ 5739.226261][ T73] inet6_addr_add+0x12f/0xa40 [ 5739.226261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.226261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.226261][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.226261][ T73] netlink_unicast+0x449/0x710 [ 5739.226261][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.226261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.226261][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.226261][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.226261][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.226261][ T73] [ 5739.228478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.228478][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5739.228478][ T73] ipv6_find_idev+0x102/0x170 [ 5739.228478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.228478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.228478][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.228478][ T73] netlink_unicast+0x449/0x710 [ 5739.228478][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.228478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.228478][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.228478][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.228478][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.228478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.228478][ T73] [ 5739.230203][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5739.230203][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5739.230203][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5739.230203][ T73] ipv6_find_idev+0x102/0x170 [ 5739.230203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.230203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.230203][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.230203][ T73] netlink_unicast+0x449/0x710 [ 5739.230203][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.230203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.230203][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.230203][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.230203][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.230203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.230203][ T73] [ 5739.232075][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5739.232348][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5739.232348][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.232348][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.232348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.232348][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5739.232348][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5739.232348][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5739.232348][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5739.232348][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5739.232348][ T73] addrconf_dad_begin+0x310/0x670 [ 5739.232348][ T73] addrconf_dad_work+0x10b/0xab0 [ 5739.232348][ T73] process_one_work+0x84d/0x18a0 [ 5739.232348][ T73] worker_thread+0x587/0xd30 [ 5739.232348][ T73] kthread+0x28a/0x350 [ 5739.232348][ T73] ret_from_fork+0x31/0x70 [ 5739.232348][ T73] ret_from_fork_asm+0x1a/0x30 [ 5739.232348][ T73] [ 5739.234571][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5739.234571][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.234571][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.234571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.234571][ T73] ip6_route_add+0x1c/0x140 [ 5739.234571][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5739.234571][ T73] inet6_addr_add+0x4f8/0xa40 [ 5739.234571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.234571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.234571][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.234571][ T73] netlink_unicast+0x449/0x710 [ 5739.234571][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.234571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.234571][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.234571][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.234571][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.234571][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.234571][ T73] [ 5739.236818][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5739.236818][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.236818][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.236818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.236818][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5739.236818][ T73] ipv6_add_addr+0x411/0x2000 [ 5739.236818][ T73] inet6_addr_add+0x30e/0xa40 [ 5739.236818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.236818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.236818][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.236818][ T73] netlink_unicast+0x449/0x710 [ 5739.236818][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.236818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.236818][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.236818][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.236818][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.236818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.236818][ T73] [ 5739.239076][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5739.239076][ T73] netdev_get_by_index+0x5e/0x80 [ 5739.239076][ T73] fib6_nh_init+0x3d8/0x1580 [ 5739.239076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5739.239076][ T73] ip6_route_add+0x1c/0x140 [ 5739.239076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5739.239076][ T73] addrconf_add_dev+0xe2/0x170 [ 5739.239076][ T73] inet6_addr_add+0x12f/0xa40 [ 5739.239076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.239076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.239076][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.239076][ T73] netlink_unicast+0x449/0x710 [ 5739.239076][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.239076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.239076][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.239076][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.239076][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.239076][ T73] [ 5739.241225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5739.241225][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5739.241225][ T73] ipv6_find_idev+0x102/0x170 [ 5739.241225][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.241225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.241225][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.241225][ T73] netlink_unicast+0x449/0x710 [ 5739.241225][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.241225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.241225][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.241225][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.241225][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.241225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.241225][ T73] [ 5739.243013][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5739.243013][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5739.243013][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5739.243013][ T73] ipv6_find_idev+0x102/0x170 [ 5739.243013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.243013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.243013][ T73] netlink_rcv_skb+0x130/0x360 [ 5739.243013][ T73] netlink_unicast+0x449/0x710 [ 5739.243013][ T73] netlink_sendmsg+0x723/0xbe0 [ 5739.243013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5739.243013][ T73] ___sys_sendmsg+0xee/0x170 [ 5739.243013][ T73] __sys_sendmsg+0xcd/0x170 [ 5739.243013][ T73] do_syscall_64+0xc6/0x1e0 [ 5739.243013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.243013][ T73] [ 5749.494882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5749.495291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.495291][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5749.495291][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5749.495291][ T73] fib6_nh_init+0xa22/0x1580 [ 5749.495291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.495291][ T73] ip6_route_add+0x1c/0x140 [ 5749.495291][ T73] inet6_rtm_newroute+0x104/0x110 [ 5749.495291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.495291][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.495291][ T73] netlink_unicast+0x449/0x710 [ 5749.495291][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.495291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.495291][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.495291][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.495291][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.495291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.495291][ T73] [ 5749.497725][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.497725][ T73] dst_init+0x84/0x4a0 [ 5749.497725][ T73] dst_alloc+0x97/0x150 [ 5749.497725][ T73] ip6_dst_alloc+0x23/0x90 [ 5749.497725][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5749.497725][ T73] ip6_pol_route+0x56f/0x840 [ 5749.497725][ T73] fib6_rule_lookup+0x456/0x630 [ 5749.497725][ T73] ip6_route_input+0x59c/0xa50 [ 5749.497725][ T73] ipv6_rcv+0x397/0x810 [ 5749.497725][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5749.497725][ T73] process_backlog+0x101/0x620 [ 5749.497725][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5749.497725][ T73] net_rx_action+0x495/0xbe0 [ 5749.497725][ T73] __do_softirq+0x1b5/0x7f6 [ 5749.497725][ T73] [ 5749.499772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.499772][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.499772][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.499772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.499772][ T73] ip6_route_add+0x1c/0x140 [ 5749.499772][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5749.499772][ T73] inet6_addr_add+0x4f8/0xa40 [ 5749.499772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.499772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.499772][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.499772][ T73] netlink_unicast+0x449/0x710 [ 5749.499772][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.499772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.499772][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.499772][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.499772][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.499772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.499772][ T73] [ 5749.501781][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.501781][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.501781][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.501781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.501781][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5749.501781][ T73] ipv6_add_addr+0x411/0x2000 [ 5749.501781][ T73] inet6_addr_add+0x30e/0xa40 [ 5749.501781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.501781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.501781][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.501781][ T73] netlink_unicast+0x449/0x710 [ 5749.501781][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.501781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.501781][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.501781][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.501781][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.501781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.501781][ T73] [ 5749.503786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.503786][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.503786][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.503786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.503786][ T73] ip6_route_add+0x1c/0x140 [ 5749.503786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5749.503786][ T73] addrconf_add_dev+0xe2/0x170 [ 5749.503786][ T73] inet6_addr_add+0x12f/0xa40 [ 5749.503786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.503786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.503786][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.503786][ T73] netlink_unicast+0x449/0x710 [ 5749.503786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.503786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.503786][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.503786][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.503786][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.503786][ T73] [ 5749.505766][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.505766][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5749.505766][ T73] ipv6_find_idev+0x102/0x170 [ 5749.505766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.505766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.505766][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.505766][ T73] netlink_unicast+0x449/0x710 [ 5749.505766][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.505766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.505766][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.505766][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.505766][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.505766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.505766][ T73] [ 5749.507316][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5749.507316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5749.507316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5749.507316][ T73] ipv6_find_idev+0x102/0x170 [ 5749.507316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.507316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.507316][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.507316][ T73] netlink_unicast+0x449/0x710 [ 5749.507316][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.507316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.507316][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.507316][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.507316][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.507316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.507316][ T73] [ 5749.509032][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5749.509311][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.509311][ T73] dst_init+0x84/0x4a0 [ 5749.509311][ T73] dst_alloc+0x97/0x150 [ 5749.509311][ T73] ip6_dst_alloc+0x23/0x90 [ 5749.509311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5749.509311][ T73] ip6_pol_route+0x56f/0x840 [ 5749.509311][ T73] fib6_rule_lookup+0x456/0x630 [ 5749.509311][ T73] ip6_route_input+0x59c/0xa50 [ 5749.509311][ T73] ipv6_rcv+0x397/0x810 [ 5749.509311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5749.509311][ T73] process_backlog+0x101/0x620 [ 5749.509311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5749.509311][ T73] net_rx_action+0x495/0xbe0 [ 5749.509311][ T73] __do_softirq+0x1b5/0x7f6 [ 5749.509311][ T73] [ 5749.510962][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.510962][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.510962][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.510962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.510962][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5749.510962][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5749.510962][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5749.510962][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5749.510962][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5749.510962][ T73] addrconf_dad_begin+0x310/0x670 [ 5749.510962][ T73] addrconf_dad_work+0x10b/0xab0 [ 5749.510962][ T73] process_one_work+0x84d/0x18a0 [ 5749.510962][ T73] worker_thread+0x587/0xd30 [ 5749.510962][ T73] kthread+0x28a/0x350 [ 5749.510962][ T73] ret_from_fork+0x31/0x70 [ 5749.510962][ T73] ret_from_fork_asm+0x1a/0x30 [ 5749.510962][ T73] [ 5749.512882][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.512882][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.512882][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.512882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.512882][ T73] ip6_route_add+0x1c/0x140 [ 5749.512882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5749.512882][ T73] inet6_addr_add+0x4f8/0xa40 [ 5749.512882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.512882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.512882][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.512882][ T73] netlink_unicast+0x449/0x710 [ 5749.512882][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.512882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.512882][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.512882][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.512882][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.512882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.512882][ T73] [ 5749.514893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.514893][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.514893][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.514893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.514893][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5749.514893][ T73] ipv6_add_addr+0x411/0x2000 [ 5749.514893][ T73] inet6_addr_add+0x30e/0xa40 [ 5749.514893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.514893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.514893][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.514893][ T73] netlink_unicast+0x449/0x710 [ 5749.514893][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.514893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.514893][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.514893][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.514893][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.514893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.514893][ T73] [ 5749.516908][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.516908][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.516908][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.516908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.516908][ T73] ip6_route_add+0x1c/0x140 [ 5749.516908][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5749.516908][ T73] addrconf_add_dev+0xe2/0x170 [ 5749.516908][ T73] inet6_addr_add+0x12f/0xa40 [ 5749.516908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.516908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.516908][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.516908][ T73] netlink_unicast+0x449/0x710 [ 5749.516908][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.516908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.516908][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.516908][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.516908][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.516908][ T73] [ 5749.518878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.518878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5749.518878][ T73] ipv6_find_idev+0x102/0x170 [ 5749.518878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.518878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.518878][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.518878][ T73] netlink_unicast+0x449/0x710 [ 5749.518878][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.518878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.518878][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.518878][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.518878][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.518878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.518878][ T73] [ 5749.520419][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5749.520419][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5749.520419][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5749.520419][ T73] ipv6_find_idev+0x102/0x170 [ 5749.520419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.520419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.520419][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.520419][ T73] netlink_unicast+0x449/0x710 [ 5749.520419][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.520419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.520419][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.520419][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.520419][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.520419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.520419][ T73] [ 5749.522179][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5749.522584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.522584][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5749.522584][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5749.522584][ T73] fib6_nh_init+0xa22/0x1580 [ 5749.522584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.522584][ T73] ip6_route_add+0x1c/0x140 [ 5749.522584][ T73] inet6_rtm_newroute+0x104/0x110 [ 5749.522584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.522584][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.522584][ T73] netlink_unicast+0x449/0x710 [ 5749.522584][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.522584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.522584][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.522584][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.522584][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.522584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.522584][ T73] [ 5749.524660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.524660][ T73] dst_init+0x84/0x4a0 [ 5749.524660][ T73] dst_alloc+0x97/0x150 [ 5749.524660][ T73] ip6_dst_alloc+0x23/0x90 [ 5749.524660][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5749.524660][ T73] ip6_pol_route+0x56f/0x840 [ 5749.524660][ T73] fib6_rule_lookup+0x456/0x630 [ 5749.524660][ T73] ip6_route_input+0x59c/0xa50 [ 5749.524660][ T73] ipv6_rcv+0x397/0x810 [ 5749.524660][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5749.524660][ T73] process_backlog+0x101/0x620 [ 5749.524660][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5749.524660][ T73] net_rx_action+0x495/0xbe0 [ 5749.524660][ T73] __do_softirq+0x1b5/0x7f6 [ 5749.524660][ T73] [ 5749.526478][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.526478][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.526478][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.526478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.526478][ T73] ip6_route_add+0x1c/0x140 [ 5749.526478][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5749.526478][ T73] inet6_addr_add+0x4f8/0xa40 [ 5749.526478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.526478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.526478][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.526478][ T73] netlink_unicast+0x449/0x710 [ 5749.526478][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.526478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.526478][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.526478][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.526478][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.526478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.526478][ T73] [ 5749.528716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.528716][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.528716][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.528716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.528716][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5749.528716][ T73] ipv6_add_addr+0x411/0x2000 [ 5749.528716][ T73] inet6_addr_add+0x30e/0xa40 [ 5749.528716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.528716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.528716][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.528716][ T73] netlink_unicast+0x449/0x710 [ 5749.528716][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.528716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.528716][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.528716][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.528716][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.528716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.528716][ T73] [ 5749.530953][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.530953][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.530953][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.530953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.530953][ T73] ip6_route_add+0x1c/0x140 [ 5749.530953][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5749.530953][ T73] addrconf_add_dev+0xe2/0x170 [ 5749.530953][ T73] inet6_addr_add+0x12f/0xa40 [ 5749.530953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.530953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.530953][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.530953][ T73] netlink_unicast+0x449/0x710 [ 5749.530953][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.530953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.530953][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.530953][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.530953][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.530953][ T73] [ 5749.533218][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.533218][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5749.533218][ T73] ipv6_find_idev+0x102/0x170 [ 5749.533218][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.533218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.533218][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.533218][ T73] netlink_unicast+0x449/0x710 [ 5749.533218][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.533218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.533218][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.533218][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.533218][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.533218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.533218][ T73] [ 5749.534949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5749.534949][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5749.534949][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5749.534949][ T73] ipv6_find_idev+0x102/0x170 [ 5749.534949][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.534949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.534949][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.534949][ T73] netlink_unicast+0x449/0x710 [ 5749.534949][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.534949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.534949][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.534949][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.534949][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.534949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.534949][ T73] [ 5749.536827][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5749.537098][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5749.537098][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.537098][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.537098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.537098][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5749.537098][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5749.537098][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5749.537098][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5749.537098][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5749.537098][ T73] addrconf_dad_begin+0x310/0x670 [ 5749.537098][ T73] addrconf_dad_work+0x10b/0xab0 [ 5749.537098][ T73] process_one_work+0x84d/0x18a0 [ 5749.537098][ T73] worker_thread+0x587/0xd30 [ 5749.537098][ T73] kthread+0x28a/0x350 [ 5749.537098][ T73] ret_from_fork+0x31/0x70 [ 5749.537098][ T73] ret_from_fork_asm+0x1a/0x30 [ 5749.537098][ T73] [ 5749.539271][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5749.539271][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.539271][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.539271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.539271][ T73] ip6_route_add+0x1c/0x140 [ 5749.539271][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5749.539271][ T73] inet6_addr_add+0x4f8/0xa40 [ 5749.539271][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.539271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.539271][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.539271][ T73] netlink_unicast+0x449/0x710 [ 5749.539271][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.539271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.539271][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.539271][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.539271][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.539271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.539271][ T73] [ 5749.541568][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5749.541568][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.541568][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.541568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.541568][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5749.541568][ T73] ipv6_add_addr+0x411/0x2000 [ 5749.541568][ T73] inet6_addr_add+0x30e/0xa40 [ 5749.541568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.541568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.541568][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.541568][ T73] netlink_unicast+0x449/0x710 [ 5749.541568][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.541568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.541568][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.541568][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.541568][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.541568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.541568][ T73] [ 5749.543802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5749.543802][ T73] netdev_get_by_index+0x5e/0x80 [ 5749.543802][ T73] fib6_nh_init+0x3d8/0x1580 [ 5749.543802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5749.543802][ T73] ip6_route_add+0x1c/0x140 [ 5749.543802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5749.543802][ T73] addrconf_add_dev+0xe2/0x170 [ 5749.543802][ T73] inet6_addr_add+0x12f/0xa40 [ 5749.543802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.543802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.543802][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.543802][ T73] netlink_unicast+0x449/0x710 [ 5749.543802][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.543802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.543802][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.543802][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.543802][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.543802][ T73] [ 5749.545943][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5749.545943][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5749.545943][ T73] ipv6_find_idev+0x102/0x170 [ 5749.545943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.545943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.545943][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.545943][ T73] netlink_unicast+0x449/0x710 [ 5749.545943][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.545943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.545943][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.545943][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.545943][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.545943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.545943][ T73] [ 5749.547662][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5749.547662][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5749.547662][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5749.547662][ T73] ipv6_find_idev+0x102/0x170 [ 5749.547662][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.547662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.547662][ T73] netlink_rcv_skb+0x130/0x360 [ 5749.547662][ T73] netlink_unicast+0x449/0x710 [ 5749.547662][ T73] netlink_sendmsg+0x723/0xbe0 [ 5749.547662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5749.547662][ T73] ___sys_sendmsg+0xee/0x170 [ 5749.547662][ T73] __sys_sendmsg+0xcd/0x170 [ 5749.547662][ T73] do_syscall_64+0xc6/0x1e0 [ 5749.547662][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.547662][ T73] [ 5759.798889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5759.799280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.799280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5759.799280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5759.799280][ T73] fib6_nh_init+0xa22/0x1580 [ 5759.799280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.799280][ T73] ip6_route_add+0x1c/0x140 [ 5759.799280][ T73] inet6_rtm_newroute+0x104/0x110 [ 5759.799280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.799280][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.799280][ T73] netlink_unicast+0x449/0x710 [ 5759.799280][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.799280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.799280][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.799280][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.799280][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.799280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.799280][ T73] [ 5759.801573][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.801573][ T73] dst_init+0x84/0x4a0 [ 5759.801573][ T73] dst_alloc+0x97/0x150 [ 5759.801573][ T73] ip6_dst_alloc+0x23/0x90 [ 5759.801573][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5759.801573][ T73] ip6_pol_route+0x56f/0x840 [ 5759.801573][ T73] fib6_rule_lookup+0x456/0x630 [ 5759.801573][ T73] ip6_route_input+0x59c/0xa50 [ 5759.801573][ T73] ipv6_rcv+0x397/0x810 [ 5759.801573][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5759.801573][ T73] process_backlog+0x101/0x620 [ 5759.801573][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5759.801573][ T73] net_rx_action+0x495/0xbe0 [ 5759.801573][ T73] __do_softirq+0x1b5/0x7f6 [ 5759.801573][ T73] [ 5759.803226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.803226][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.803226][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.803226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.803226][ T73] ip6_route_add+0x1c/0x140 [ 5759.803226][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5759.803226][ T73] inet6_addr_add+0x4f8/0xa40 [ 5759.803226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.803226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.803226][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.803226][ T73] netlink_unicast+0x449/0x710 [ 5759.803226][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.803226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.803226][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.803226][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.803226][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.803226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.803226][ T73] [ 5759.805258][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.805258][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.805258][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.805258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.805258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5759.805258][ T73] ipv6_add_addr+0x411/0x2000 [ 5759.805258][ T73] inet6_addr_add+0x30e/0xa40 [ 5759.805258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.805258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.805258][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.805258][ T73] netlink_unicast+0x449/0x710 [ 5759.805258][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.805258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.805258][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.805258][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.805258][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.805258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.805258][ T73] [ 5759.807260][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.807260][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.807260][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.807260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.807260][ T73] ip6_route_add+0x1c/0x140 [ 5759.807260][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5759.807260][ T73] addrconf_add_dev+0xe2/0x170 [ 5759.807260][ T73] inet6_addr_add+0x12f/0xa40 [ 5759.807260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.807260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.807260][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.807260][ T73] netlink_unicast+0x449/0x710 [ 5759.807260][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.807260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.807260][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.807260][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.807260][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.807260][ T73] [ 5759.809257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.809257][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5759.809257][ T73] ipv6_find_idev+0x102/0x170 [ 5759.809257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.809257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.809257][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.809257][ T73] netlink_unicast+0x449/0x710 [ 5759.809257][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.809257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.809257][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.809257][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.809257][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.809257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.809257][ T73] [ 5759.810788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5759.810788][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5759.810788][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5759.810788][ T73] ipv6_find_idev+0x102/0x170 [ 5759.810788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.810788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.810788][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.810788][ T73] netlink_unicast+0x449/0x710 [ 5759.810788][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.810788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.810788][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.810788][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.810788][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.810788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.810788][ T73] [ 5759.812487][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5759.812764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.812764][ T73] dst_init+0x84/0x4a0 [ 5759.812764][ T73] dst_alloc+0x97/0x150 [ 5759.812764][ T73] ip6_dst_alloc+0x23/0x90 [ 5759.812764][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5759.812764][ T73] ip6_pol_route+0x56f/0x840 [ 5759.812764][ T73] fib6_rule_lookup+0x456/0x630 [ 5759.812764][ T73] ip6_route_input+0x59c/0xa50 [ 5759.812764][ T73] ipv6_rcv+0x397/0x810 [ 5759.812764][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5759.812764][ T73] process_backlog+0x101/0x620 [ 5759.812764][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5759.812764][ T73] net_rx_action+0x495/0xbe0 [ 5759.812764][ T73] __do_softirq+0x1b5/0x7f6 [ 5759.812764][ T73] [ 5759.814417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.814417][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.814417][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.814417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.814417][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5759.814417][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5759.814417][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5759.814417][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5759.814417][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5759.814417][ T73] addrconf_dad_begin+0x310/0x670 [ 5759.814417][ T73] addrconf_dad_work+0x10b/0xab0 [ 5759.814417][ T73] process_one_work+0x84d/0x18a0 [ 5759.814417][ T73] worker_thread+0x587/0xd30 [ 5759.814417][ T73] kthread+0x28a/0x350 [ 5759.814417][ T73] ret_from_fork+0x31/0x70 [ 5759.814417][ T73] ret_from_fork_asm+0x1a/0x30 [ 5759.814417][ T73] [ 5759.816343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.816343][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.816343][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.816343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.816343][ T73] ip6_route_add+0x1c/0x140 [ 5759.816343][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5759.816343][ T73] inet6_addr_add+0x4f8/0xa40 [ 5759.816343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.816343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.816343][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.816343][ T73] netlink_unicast+0x449/0x710 [ 5759.816343][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.816343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.816343][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.816343][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.816343][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.816343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.816343][ T73] [ 5759.818348][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.818348][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.818348][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.818348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.818348][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5759.818348][ T73] ipv6_add_addr+0x411/0x2000 [ 5759.818348][ T73] inet6_addr_add+0x30e/0xa40 [ 5759.818348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.818348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.818348][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.818348][ T73] netlink_unicast+0x449/0x710 [ 5759.818348][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.818348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.818348][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.818348][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.818348][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.818348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.818348][ T73] [ 5759.820346][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.820346][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.820346][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.820346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.820346][ T73] ip6_route_add+0x1c/0x140 [ 5759.820346][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5759.820346][ T73] addrconf_add_dev+0xe2/0x170 [ 5759.820346][ T73] inet6_addr_add+0x12f/0xa40 [ 5759.820346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.820346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.820346][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.820346][ T73] netlink_unicast+0x449/0x710 [ 5759.820346][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.820346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.820346][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.820346][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.820346][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.820346][ T73] [ 5759.822312][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.822312][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5759.822312][ T73] ipv6_find_idev+0x102/0x170 [ 5759.822312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.822312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.822312][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.822312][ T73] netlink_unicast+0x449/0x710 [ 5759.822312][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.822312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.822312][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.822312][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.822312][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.822312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.822312][ T73] [ 5759.823862][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5759.823862][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5759.823862][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5759.823862][ T73] ipv6_find_idev+0x102/0x170 [ 5759.823862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.823862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.823862][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.823862][ T73] netlink_unicast+0x449/0x710 [ 5759.823862][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.823862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.823862][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.823862][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.823862][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.823862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.823862][ T73] [ 5759.825696][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5759.826040][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.826040][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5759.826040][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5759.826040][ T73] fib6_nh_init+0xa22/0x1580 [ 5759.826040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.826040][ T73] ip6_route_add+0x1c/0x140 [ 5759.826040][ T73] inet6_rtm_newroute+0x104/0x110 [ 5759.826040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.826040][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.826040][ T73] netlink_unicast+0x449/0x710 [ 5759.826040][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.826040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.826040][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.826040][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.826040][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.826040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.826040][ T73] [ 5759.828104][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.828104][ T73] dst_init+0x84/0x4a0 [ 5759.828104][ T73] dst_alloc+0x97/0x150 [ 5759.828104][ T73] ip6_dst_alloc+0x23/0x90 [ 5759.828104][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5759.828104][ T73] ip6_pol_route+0x56f/0x840 [ 5759.828104][ T73] fib6_rule_lookup+0x456/0x630 [ 5759.828104][ T73] ip6_route_input+0x59c/0xa50 [ 5759.828104][ T73] ipv6_rcv+0x397/0x810 [ 5759.828104][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5759.828104][ T73] process_backlog+0x101/0x620 [ 5759.828104][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5759.828104][ T73] net_rx_action+0x495/0xbe0 [ 5759.828104][ T73] __do_softirq+0x1b5/0x7f6 [ 5759.828104][ T73] [ 5759.829931][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.829931][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.829931][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.829931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.829931][ T73] ip6_route_add+0x1c/0x140 [ 5759.829931][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5759.829931][ T73] inet6_addr_add+0x4f8/0xa40 [ 5759.829931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.829931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.829931][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.829931][ T73] netlink_unicast+0x449/0x710 [ 5759.829931][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.829931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.829931][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.829931][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.829931][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.829931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.829931][ T73] [ 5759.832238][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.832238][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.832238][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.832238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.832238][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5759.832238][ T73] ipv6_add_addr+0x411/0x2000 [ 5759.832238][ T73] inet6_addr_add+0x30e/0xa40 [ 5759.832238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.832238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.832238][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.832238][ T73] netlink_unicast+0x449/0x710 [ 5759.832238][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.832238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.832238][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.832238][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.832238][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.832238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.832238][ T73] [ 5759.834497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.834497][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.834497][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.834497][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.834497][ T73] ip6_route_add+0x1c/0x140 [ 5759.834497][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5759.834497][ T73] addrconf_add_dev+0xe2/0x170 [ 5759.834497][ T73] inet6_addr_add+0x12f/0xa40 [ 5759.834497][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.834497][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.834497][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.834497][ T73] netlink_unicast+0x449/0x710 [ 5759.834497][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.834497][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.834497][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.834497][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.834497][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.834497][ T73] [ 5759.836709][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.836709][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5759.836709][ T73] ipv6_find_idev+0x102/0x170 [ 5759.836709][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.836709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.836709][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.836709][ T73] netlink_unicast+0x449/0x710 [ 5759.836709][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.836709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.836709][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.836709][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.836709][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.836709][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.836709][ T73] [ 5759.838440][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5759.838440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5759.838440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5759.838440][ T73] ipv6_find_idev+0x102/0x170 [ 5759.838440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.838440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.838440][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.838440][ T73] netlink_unicast+0x449/0x710 [ 5759.838440][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.838440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.838440][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.838440][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.838440][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.838440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.838440][ T73] [ 5759.840379][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5759.840649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5759.840649][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.840649][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.840649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.840649][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5759.840649][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5759.840649][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5759.840649][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5759.840649][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5759.840649][ T73] addrconf_dad_begin+0x310/0x670 [ 5759.840649][ T73] addrconf_dad_work+0x10b/0xab0 [ 5759.840649][ T73] process_one_work+0x84d/0x18a0 [ 5759.840649][ T73] worker_thread+0x587/0xd30 [ 5759.840649][ T73] kthread+0x28a/0x350 [ 5759.840649][ T73] ret_from_fork+0x31/0x70 [ 5759.840649][ T73] ret_from_fork_asm+0x1a/0x30 [ 5759.840649][ T73] [ 5759.842824][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5759.842824][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.842824][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.842824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.842824][ T73] ip6_route_add+0x1c/0x140 [ 5759.842824][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5759.842824][ T73] inet6_addr_add+0x4f8/0xa40 [ 5759.842824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.842824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.842824][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.842824][ T73] netlink_unicast+0x449/0x710 [ 5759.842824][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.842824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.842824][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.842824][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.842824][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.842824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.842824][ T73] [ 5759.845082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5759.845082][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.845082][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.845082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.845082][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5759.845082][ T73] ipv6_add_addr+0x411/0x2000 [ 5759.845082][ T73] inet6_addr_add+0x30e/0xa40 [ 5759.845082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.845082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.845082][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.845082][ T73] netlink_unicast+0x449/0x710 [ 5759.845082][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.845082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.845082][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.845082][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.845082][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.845082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.845082][ T73] [ 5759.847330][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5759.847330][ T73] netdev_get_by_index+0x5e/0x80 [ 5759.847330][ T73] fib6_nh_init+0x3d8/0x1580 [ 5759.847330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5759.847330][ T73] ip6_route_add+0x1c/0x140 [ 5759.847330][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5759.847330][ T73] addrconf_add_dev+0xe2/0x170 [ 5759.847330][ T73] inet6_addr_add+0x12f/0xa40 [ 5759.847330][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.847330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.847330][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.847330][ T73] netlink_unicast+0x449/0x710 [ 5759.847330][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.847330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.847330][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.847330][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.847330][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.847330][ T73] [ 5759.849543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5759.849543][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5759.849543][ T73] ipv6_find_idev+0x102/0x170 [ 5759.849543][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.849543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.849543][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.849543][ T73] netlink_unicast+0x449/0x710 [ 5759.849543][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.849543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.849543][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.849543][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.849543][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.849543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.849543][ T73] [ 5759.851275][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5759.851275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5759.851275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5759.851275][ T73] ipv6_find_idev+0x102/0x170 [ 5759.851275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.851275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.851275][ T73] netlink_rcv_skb+0x130/0x360 [ 5759.851275][ T73] netlink_unicast+0x449/0x710 [ 5759.851275][ T73] netlink_sendmsg+0x723/0xbe0 [ 5759.851275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5759.851275][ T73] ___sys_sendmsg+0xee/0x170 [ 5759.851275][ T73] __sys_sendmsg+0xcd/0x170 [ 5759.851275][ T73] do_syscall_64+0xc6/0x1e0 [ 5759.851275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.851275][ T73] [ 5770.006930][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5770.007377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.007377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5770.007377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5770.007377][ T73] fib6_nh_init+0xa22/0x1580 [ 5770.007377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.007377][ T73] ip6_route_add+0x1c/0x140 [ 5770.007377][ T73] inet6_rtm_newroute+0x104/0x110 [ 5770.007377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.007377][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.007377][ T73] netlink_unicast+0x449/0x710 [ 5770.007377][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.007377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.007377][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.007377][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.007377][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.007377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.007377][ T73] [ 5770.009264][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.009264][ T73] dst_init+0x84/0x4a0 [ 5770.009264][ T73] dst_alloc+0x97/0x150 [ 5770.009264][ T73] ip6_dst_alloc+0x23/0x90 [ 5770.009264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5770.009264][ T73] ip6_pol_route+0x56f/0x840 [ 5770.009264][ T73] fib6_rule_lookup+0x456/0x630 [ 5770.009264][ T73] ip6_route_input+0x59c/0xa50 [ 5770.009264][ T73] ipv6_rcv+0x397/0x810 [ 5770.009264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5770.009264][ T73] process_backlog+0x101/0x620 [ 5770.009264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5770.009264][ T73] net_rx_action+0x495/0xbe0 [ 5770.009264][ T73] __do_softirq+0x1b5/0x7f6 [ 5770.009264][ T73] [ 5770.010915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.010915][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.010915][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.010915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.010915][ T73] ip6_route_add+0x1c/0x140 [ 5770.010915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5770.010915][ T73] inet6_addr_add+0x4f8/0xa40 [ 5770.010915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.010915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.010915][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.010915][ T73] netlink_unicast+0x449/0x710 [ 5770.010915][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.010915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.010915][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.010915][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.010915][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.010915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.010915][ T73] [ 5770.012920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.012920][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.012920][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.012920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.012920][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5770.012920][ T73] ipv6_add_addr+0x411/0x2000 [ 5770.012920][ T73] inet6_addr_add+0x30e/0xa40 [ 5770.012920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.012920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.012920][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.012920][ T73] netlink_unicast+0x449/0x710 [ 5770.012920][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.012920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.012920][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.012920][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.012920][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.012920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.012920][ T73] [ 5770.014950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.014950][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.014950][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.014950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.014950][ T73] ip6_route_add+0x1c/0x140 [ 5770.014950][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5770.014950][ T73] addrconf_add_dev+0xe2/0x170 [ 5770.014950][ T73] inet6_addr_add+0x12f/0xa40 [ 5770.014950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.014950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.014950][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.014950][ T73] netlink_unicast+0x449/0x710 [ 5770.014950][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.014950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.014950][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.014950][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.014950][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.014950][ T73] [ 5770.016927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.016927][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5770.016927][ T73] ipv6_find_idev+0x102/0x170 [ 5770.016927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.016927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.016927][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.016927][ T73] netlink_unicast+0x449/0x710 [ 5770.016927][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.016927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.016927][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.016927][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.016927][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.016927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.016927][ T73] [ 5770.018505][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5770.018505][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5770.018505][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5770.018505][ T73] ipv6_find_idev+0x102/0x170 [ 5770.018505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.018505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.018505][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.018505][ T73] netlink_unicast+0x449/0x710 [ 5770.018505][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.018505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.018505][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.018505][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.018505][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.018505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.018505][ T73] [ 5770.020215][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5770.020488][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.020488][ T73] dst_init+0x84/0x4a0 [ 5770.020488][ T73] dst_alloc+0x97/0x150 [ 5770.020488][ T73] ip6_dst_alloc+0x23/0x90 [ 5770.020488][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5770.020488][ T73] ip6_pol_route+0x56f/0x840 [ 5770.020488][ T73] fib6_rule_lookup+0x456/0x630 [ 5770.020488][ T73] ip6_route_input+0x59c/0xa50 [ 5770.020488][ T73] ipv6_rcv+0x397/0x810 [ 5770.020488][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5770.020488][ T73] process_backlog+0x101/0x620 [ 5770.020488][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5770.020488][ T73] net_rx_action+0x495/0xbe0 [ 5770.020488][ T73] __do_softirq+0x1b5/0x7f6 [ 5770.020488][ T73] [ 5770.022142][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.022142][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.022142][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.022142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.022142][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5770.022142][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5770.022142][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5770.022142][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5770.022142][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5770.022142][ T73] addrconf_dad_begin+0x310/0x670 [ 5770.022142][ T73] addrconf_dad_work+0x10b/0xab0 [ 5770.022142][ T73] process_one_work+0x84d/0x18a0 [ 5770.022142][ T73] worker_thread+0x587/0xd30 [ 5770.022142][ T73] kthread+0x28a/0x350 [ 5770.022142][ T73] ret_from_fork+0x31/0x70 [ 5770.022142][ T73] ret_from_fork_asm+0x1a/0x30 [ 5770.022142][ T73] [ 5770.024067][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.024067][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.024067][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.024067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.024067][ T73] ip6_route_add+0x1c/0x140 [ 5770.024067][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5770.024067][ T73] inet6_addr_add+0x4f8/0xa40 [ 5770.024067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.024067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.024067][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.024067][ T73] netlink_unicast+0x449/0x710 [ 5770.024067][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.024067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.024067][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.024067][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.024067][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.024067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.024067][ T73] [ 5770.026077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.026077][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.026077][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.026077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.026077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5770.026077][ T73] ipv6_add_addr+0x411/0x2000 [ 5770.026077][ T73] inet6_addr_add+0x30e/0xa40 [ 5770.026077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.026077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.026077][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.026077][ T73] netlink_unicast+0x449/0x710 [ 5770.026077][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.026077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.026077][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.026077][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.026077][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.026077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.026077][ T73] [ 5770.028082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.028082][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.028082][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.028082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.028082][ T73] ip6_route_add+0x1c/0x140 [ 5770.028082][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5770.028082][ T73] addrconf_add_dev+0xe2/0x170 [ 5770.028082][ T73] inet6_addr_add+0x12f/0xa40 [ 5770.028082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.028082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.028082][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.028082][ T73] netlink_unicast+0x449/0x710 [ 5770.028082][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.028082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.028082][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.028082][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.028082][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.028082][ T73] [ 5770.030060][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.030060][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5770.030060][ T73] ipv6_find_idev+0x102/0x170 [ 5770.030060][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.030060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.030060][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.030060][ T73] netlink_unicast+0x449/0x710 [ 5770.030060][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.030060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.030060][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.030060][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.030060][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.030060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.030060][ T73] [ 5770.031613][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5770.031613][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5770.031613][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5770.031613][ T73] ipv6_find_idev+0x102/0x170 [ 5770.031613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.031613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.031613][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.031613][ T73] netlink_unicast+0x449/0x710 [ 5770.031613][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.031613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.031613][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.031613][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.031613][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.031613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.031613][ T73] [ 5770.033444][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5770.033786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.033786][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5770.033786][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5770.033786][ T73] fib6_nh_init+0xa22/0x1580 [ 5770.033786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.033786][ T73] ip6_route_add+0x1c/0x140 [ 5770.033786][ T73] inet6_rtm_newroute+0x104/0x110 [ 5770.033786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.033786][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.033786][ T73] netlink_unicast+0x449/0x710 [ 5770.033786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.033786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.033786][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.033786][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.033786][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.033786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.033786][ T73] [ 5770.035851][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.035851][ T73] dst_init+0x84/0x4a0 [ 5770.035851][ T73] dst_alloc+0x97/0x150 [ 5770.035851][ T73] ip6_dst_alloc+0x23/0x90 [ 5770.035851][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5770.035851][ T73] ip6_pol_route+0x56f/0x840 [ 5770.035851][ T73] fib6_rule_lookup+0x456/0x630 [ 5770.035851][ T73] ip6_route_input+0x59c/0xa50 [ 5770.035851][ T73] ipv6_rcv+0x397/0x810 [ 5770.035851][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5770.035851][ T73] process_backlog+0x101/0x620 [ 5770.035851][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5770.035851][ T73] net_rx_action+0x495/0xbe0 [ 5770.035851][ T73] __do_softirq+0x1b5/0x7f6 [ 5770.035851][ T73] [ 5770.037670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.037670][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.037670][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.037670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.037670][ T73] ip6_route_add+0x1c/0x140 [ 5770.037670][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5770.037670][ T73] inet6_addr_add+0x4f8/0xa40 [ 5770.037670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.037670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.037670][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.037670][ T73] netlink_unicast+0x449/0x710 [ 5770.037670][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.037670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.037670][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.037670][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.037670][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.037670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.037670][ T73] [ 5770.039916][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.039916][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.039916][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.039916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.039916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5770.039916][ T73] ipv6_add_addr+0x411/0x2000 [ 5770.039916][ T73] inet6_addr_add+0x30e/0xa40 [ 5770.039916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.039916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.039916][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.039916][ T73] netlink_unicast+0x449/0x710 [ 5770.039916][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.039916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.039916][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.039916][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.039916][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.039916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.039916][ T73] [ 5770.042222][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.042222][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.042222][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.042222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.042222][ T73] ip6_route_add+0x1c/0x140 [ 5770.042222][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5770.042222][ T73] addrconf_add_dev+0xe2/0x170 [ 5770.042222][ T73] inet6_addr_add+0x12f/0xa40 [ 5770.042222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.042222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.042222][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.042222][ T73] netlink_unicast+0x449/0x710 [ 5770.042222][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.042222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.042222][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.042222][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.042222][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.042222][ T73] [ 5770.044447][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.044447][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5770.044447][ T73] ipv6_find_idev+0x102/0x170 [ 5770.044447][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.044447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.044447][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.044447][ T73] netlink_unicast+0x449/0x710 [ 5770.044447][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.044447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.044447][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.044447][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.044447][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.044447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.044447][ T73] [ 5770.046178][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5770.046178][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5770.046178][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5770.046178][ T73] ipv6_find_idev+0x102/0x170 [ 5770.046178][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.046178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.046178][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.046178][ T73] netlink_unicast+0x449/0x710 [ 5770.046178][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.046178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.046178][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.046178][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.046178][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.046178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.046178][ T73] [ 5770.048053][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5770.048329][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5770.048329][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.048329][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.048329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.048329][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5770.048329][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5770.048329][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5770.048329][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5770.048329][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5770.048329][ T73] addrconf_dad_begin+0x310/0x670 [ 5770.048329][ T73] addrconf_dad_work+0x10b/0xab0 [ 5770.048329][ T73] process_one_work+0x84d/0x18a0 [ 5770.048329][ T73] worker_thread+0x587/0xd30 [ 5770.048329][ T73] kthread+0x28a/0x350 [ 5770.048329][ T73] ret_from_fork+0x31/0x70 [ 5770.048329][ T73] ret_from_fork_asm+0x1a/0x30 [ 5770.048329][ T73] [ 5770.050484][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5770.050484][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.050484][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.050484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.050484][ T73] ip6_route_add+0x1c/0x140 [ 5770.050484][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5770.050484][ T73] inet6_addr_add+0x4f8/0xa40 [ 5770.050484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.050484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.050484][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.050484][ T73] netlink_unicast+0x449/0x710 [ 5770.050484][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.050484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.050484][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.050484][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.050484][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.050484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.050484][ T73] [ 5770.052785][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5770.052785][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.052785][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.052785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.052785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5770.052785][ T73] ipv6_add_addr+0x411/0x2000 [ 5770.052785][ T73] inet6_addr_add+0x30e/0xa40 [ 5770.052785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.052785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.052785][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.052785][ T73] netlink_unicast+0x449/0x710 [ 5770.052785][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.052785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.052785][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.052785][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.052785][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.052785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.052785][ T73] [ 5770.055029][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5770.055029][ T73] netdev_get_by_index+0x5e/0x80 [ 5770.055029][ T73] fib6_nh_init+0x3d8/0x1580 [ 5770.055029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5770.055029][ T73] ip6_route_add+0x1c/0x140 [ 5770.055029][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5770.055029][ T73] addrconf_add_dev+0xe2/0x170 [ 5770.055029][ T73] inet6_addr_add+0x12f/0xa40 [ 5770.055029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.055029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.055029][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.055029][ T73] netlink_unicast+0x449/0x710 [ 5770.055029][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.055029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.055029][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.055029][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.055029][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.055029][ T73] [ 5770.057198][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5770.057198][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5770.057198][ T73] ipv6_find_idev+0x102/0x170 [ 5770.057198][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.057198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.057198][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.057198][ T73] netlink_unicast+0x449/0x710 [ 5770.057198][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.057198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.057198][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.057198][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.057198][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.057198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.057198][ T73] [ 5770.058922][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5770.058922][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5770.058922][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5770.058922][ T73] ipv6_find_idev+0x102/0x170 [ 5770.058922][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.058922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.058922][ T73] netlink_rcv_skb+0x130/0x360 [ 5770.058922][ T73] netlink_unicast+0x449/0x710 [ 5770.058922][ T73] netlink_sendmsg+0x723/0xbe0 [ 5770.058922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5770.058922][ T73] ___sys_sendmsg+0xee/0x170 [ 5770.058922][ T73] __sys_sendmsg+0xcd/0x170 [ 5770.058922][ T73] do_syscall_64+0xc6/0x1e0 [ 5770.058922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.058922][ T73] [ 5780.302848][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5780.303249][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.303249][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5780.303249][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5780.303249][ T73] fib6_nh_init+0xa22/0x1580 [ 5780.303249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.303249][ T73] ip6_route_add+0x1c/0x140 [ 5780.303249][ T73] inet6_rtm_newroute+0x104/0x110 [ 5780.303249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.303249][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.303249][ T73] netlink_unicast+0x449/0x710 [ 5780.303249][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.303249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.303249][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.303249][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.303249][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.303249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.303249][ T73] [ 5780.305254][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.305254][ T73] dst_init+0x84/0x4a0 [ 5780.305254][ T73] dst_alloc+0x97/0x150 [ 5780.305254][ T73] ip6_dst_alloc+0x23/0x90 [ 5780.305254][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5780.305254][ T73] ip6_pol_route+0x56f/0x840 [ 5780.305254][ T73] fib6_rule_lookup+0x456/0x630 [ 5780.305254][ T73] ip6_route_input+0x59c/0xa50 [ 5780.305254][ T73] ipv6_rcv+0x397/0x810 [ 5780.305254][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5780.305254][ T73] process_backlog+0x101/0x620 [ 5780.305254][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5780.305254][ T73] net_rx_action+0x495/0xbe0 [ 5780.305254][ T73] __do_softirq+0x1b5/0x7f6 [ 5780.305254][ T73] [ 5780.306915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.306915][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.306915][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.306915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.306915][ T73] ip6_route_add+0x1c/0x140 [ 5780.306915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5780.306915][ T73] inet6_addr_add+0x4f8/0xa40 [ 5780.306915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.306915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.306915][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.306915][ T73] netlink_unicast+0x449/0x710 [ 5780.306915][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.306915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.306915][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.306915][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.306915][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.306915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.306915][ T73] [ 5780.308938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.308938][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.308938][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.308938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.308938][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5780.308938][ T73] ipv6_add_addr+0x411/0x2000 [ 5780.308938][ T73] inet6_addr_add+0x30e/0xa40 [ 5780.308938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.308938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.308938][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.308938][ T73] netlink_unicast+0x449/0x710 [ 5780.308938][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.308938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.308938][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.308938][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.308938][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.308938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.308938][ T73] [ 5780.310938][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.310938][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.310938][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.310938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.310938][ T73] ip6_route_add+0x1c/0x140 [ 5780.310938][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5780.310938][ T73] addrconf_add_dev+0xe2/0x170 [ 5780.310938][ T73] inet6_addr_add+0x12f/0xa40 [ 5780.310938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.310938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.310938][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.310938][ T73] netlink_unicast+0x449/0x710 [ 5780.310938][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.310938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.310938][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.310938][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.310938][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.310938][ T73] [ 5780.312916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.312916][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5780.312916][ T73] ipv6_find_idev+0x102/0x170 [ 5780.312916][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.312916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.312916][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.312916][ T73] netlink_unicast+0x449/0x710 [ 5780.312916][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.312916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.312916][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.312916][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.312916][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.312916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.312916][ T73] [ 5780.314465][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5780.314465][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5780.314465][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5780.314465][ T73] ipv6_find_idev+0x102/0x170 [ 5780.314465][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.314465][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.314465][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.314465][ T73] netlink_unicast+0x449/0x710 [ 5780.314465][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.314465][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.314465][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.314465][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.314465][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.314465][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.314465][ T73] [ 5780.316179][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5780.316458][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.316458][ T73] dst_init+0x84/0x4a0 [ 5780.316458][ T73] dst_alloc+0x97/0x150 [ 5780.316458][ T73] ip6_dst_alloc+0x23/0x90 [ 5780.316458][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5780.316458][ T73] ip6_pol_route+0x56f/0x840 [ 5780.316458][ T73] fib6_rule_lookup+0x456/0x630 [ 5780.316458][ T73] ip6_route_input+0x59c/0xa50 [ 5780.316458][ T73] ipv6_rcv+0x397/0x810 [ 5780.316458][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5780.316458][ T73] process_backlog+0x101/0x620 [ 5780.316458][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5780.316458][ T73] net_rx_action+0x495/0xbe0 [ 5780.316458][ T73] __do_softirq+0x1b5/0x7f6 [ 5780.316458][ T73] [ 5780.318110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.318110][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.318110][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.318110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.318110][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5780.318110][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5780.318110][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5780.318110][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5780.318110][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5780.318110][ T73] addrconf_dad_begin+0x310/0x670 [ 5780.318110][ T73] addrconf_dad_work+0x10b/0xab0 [ 5780.318110][ T73] process_one_work+0x84d/0x18a0 [ 5780.318110][ T73] worker_thread+0x587/0xd30 [ 5780.318110][ T73] kthread+0x28a/0x350 [ 5780.318110][ T73] ret_from_fork+0x31/0x70 [ 5780.318110][ T73] ret_from_fork_asm+0x1a/0x30 [ 5780.318110][ T73] [ 5780.320033][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.320033][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.320033][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.320033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.320033][ T73] ip6_route_add+0x1c/0x140 [ 5780.320033][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5780.320033][ T73] inet6_addr_add+0x4f8/0xa40 [ 5780.320033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.320033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.320033][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.320033][ T73] netlink_unicast+0x449/0x710 [ 5780.320033][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.320033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.320033][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.320033][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.320033][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.320033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.320033][ T73] [ 5780.322037][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.322037][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.322037][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.322037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.322037][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5780.322037][ T73] ipv6_add_addr+0x411/0x2000 [ 5780.322037][ T73] inet6_addr_add+0x30e/0xa40 [ 5780.322037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.322037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.322037][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.322037][ T73] netlink_unicast+0x449/0x710 [ 5780.322037][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.322037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.322037][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.322037][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.322037][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.322037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.322037][ T73] [ 5780.324062][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.324062][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.324062][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.324062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.324062][ T73] ip6_route_add+0x1c/0x140 [ 5780.324062][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5780.324062][ T73] addrconf_add_dev+0xe2/0x170 [ 5780.324062][ T73] inet6_addr_add+0x12f/0xa40 [ 5780.324062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.324062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.324062][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.324062][ T73] netlink_unicast+0x449/0x710 [ 5780.324062][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.324062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.324062][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.324062][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.324062][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.324062][ T73] [ 5780.326030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.326030][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5780.326030][ T73] ipv6_find_idev+0x102/0x170 [ 5780.326030][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.326030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.326030][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.326030][ T73] netlink_unicast+0x449/0x710 [ 5780.326030][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.326030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.326030][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.326030][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.326030][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.326030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.326030][ T73] [ 5780.327595][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5780.327595][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5780.327595][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5780.327595][ T73] ipv6_find_idev+0x102/0x170 [ 5780.327595][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.327595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.327595][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.327595][ T73] netlink_unicast+0x449/0x710 [ 5780.327595][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.327595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.327595][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.327595][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.327595][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.327595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.327595][ T73] [ 5780.329438][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5780.329781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.329781][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5780.329781][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5780.329781][ T73] fib6_nh_init+0xa22/0x1580 [ 5780.329781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.329781][ T73] ip6_route_add+0x1c/0x140 [ 5780.329781][ T73] inet6_rtm_newroute+0x104/0x110 [ 5780.329781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.329781][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.329781][ T73] netlink_unicast+0x449/0x710 [ 5780.329781][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.329781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.329781][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.329781][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.329781][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.329781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.329781][ T73] [ 5780.331912][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.331912][ T73] dst_init+0x84/0x4a0 [ 5780.331912][ T73] dst_alloc+0x97/0x150 [ 5780.331912][ T73] ip6_dst_alloc+0x23/0x90 [ 5780.331912][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5780.331912][ T73] ip6_pol_route+0x56f/0x840 [ 5780.331912][ T73] fib6_rule_lookup+0x456/0x630 [ 5780.331912][ T73] ip6_route_input+0x59c/0xa50 [ 5780.331912][ T73] ipv6_rcv+0x397/0x810 [ 5780.331912][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5780.331912][ T73] process_backlog+0x101/0x620 [ 5780.331912][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5780.331912][ T73] net_rx_action+0x495/0xbe0 [ 5780.331912][ T73] __do_softirq+0x1b5/0x7f6 [ 5780.331912][ T73] [ 5780.333739][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.333739][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.333739][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.333739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.333739][ T73] ip6_route_add+0x1c/0x140 [ 5780.333739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5780.333739][ T73] inet6_addr_add+0x4f8/0xa40 [ 5780.333739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.333739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.333739][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.333739][ T73] netlink_unicast+0x449/0x710 [ 5780.333739][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.333739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.333739][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.333739][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.333739][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.333739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.333739][ T73] [ 5780.336110][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.336110][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.336110][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.336110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.336110][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5780.336110][ T73] ipv6_add_addr+0x411/0x2000 [ 5780.336110][ T73] inet6_addr_add+0x30e/0xa40 [ 5780.336110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.336110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.336110][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.336110][ T73] netlink_unicast+0x449/0x710 [ 5780.336110][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.336110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.336110][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.336110][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.336110][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.336110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.336110][ T73] [ 5780.338368][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.338368][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.338368][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.338368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.338368][ T73] ip6_route_add+0x1c/0x140 [ 5780.338368][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5780.338368][ T73] addrconf_add_dev+0xe2/0x170 [ 5780.338368][ T73] inet6_addr_add+0x12f/0xa40 [ 5780.338368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.338368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.338368][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.338368][ T73] netlink_unicast+0x449/0x710 [ 5780.338368][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.338368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.338368][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.338368][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.338368][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.338368][ T73] [ 5780.340639][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.340639][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5780.340639][ T73] ipv6_find_idev+0x102/0x170 [ 5780.340639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.340639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.340639][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.340639][ T73] netlink_unicast+0x449/0x710 [ 5780.340639][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.340639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.340639][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.340639][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.340639][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.340639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.340639][ T73] [ 5780.342366][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5780.342366][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5780.342366][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5780.342366][ T73] ipv6_find_idev+0x102/0x170 [ 5780.342366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.342366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.342366][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.342366][ T73] netlink_unicast+0x449/0x710 [ 5780.342366][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.342366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.342366][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.342366][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.342366][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.342366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.342366][ T73] [ 5780.344259][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5780.344541][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5780.344541][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.344541][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.344541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.344541][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5780.344541][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5780.344541][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5780.344541][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5780.344541][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5780.344541][ T73] addrconf_dad_begin+0x310/0x670 [ 5780.344541][ T73] addrconf_dad_work+0x10b/0xab0 [ 5780.344541][ T73] process_one_work+0x84d/0x18a0 [ 5780.344541][ T73] worker_thread+0x587/0xd30 [ 5780.344541][ T73] kthread+0x28a/0x350 [ 5780.344541][ T73] ret_from_fork+0x31/0x70 [ 5780.344541][ T73] ret_from_fork_asm+0x1a/0x30 [ 5780.344541][ T73] [ 5780.346704][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5780.346704][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.346704][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.346704][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.346704][ T73] ip6_route_add+0x1c/0x140 [ 5780.346704][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5780.346704][ T73] inet6_addr_add+0x4f8/0xa40 [ 5780.346704][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.346704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.346704][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.346704][ T73] netlink_unicast+0x449/0x710 [ 5780.346704][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.346704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.346704][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.346704][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.346704][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.346704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.346704][ T73] [ 5780.348950][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5780.348950][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.348950][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.348950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.348950][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5780.348950][ T73] ipv6_add_addr+0x411/0x2000 [ 5780.348950][ T73] inet6_addr_add+0x30e/0xa40 [ 5780.348950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.348950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.348950][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.348950][ T73] netlink_unicast+0x449/0x710 [ 5780.348950][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.348950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.348950][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.348950][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.348950][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.348950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.348950][ T73] [ 5780.351269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5780.351269][ T73] netdev_get_by_index+0x5e/0x80 [ 5780.351269][ T73] fib6_nh_init+0x3d8/0x1580 [ 5780.351269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5780.351269][ T73] ip6_route_add+0x1c/0x140 [ 5780.351269][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5780.351269][ T73] addrconf_add_dev+0xe2/0x170 [ 5780.351269][ T73] inet6_addr_add+0x12f/0xa40 [ 5780.351269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.351269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.351269][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.351269][ T73] netlink_unicast+0x449/0x710 [ 5780.351269][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.351269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.351269][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.351269][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.351269][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.351269][ T73] [ 5780.353412][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5780.353412][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5780.353412][ T73] ipv6_find_idev+0x102/0x170 [ 5780.353412][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.353412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.353412][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.353412][ T73] netlink_unicast+0x449/0x710 [ 5780.353412][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.353412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.353412][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.353412][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.353412][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.353412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.353412][ T73] [ 5780.355159][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5780.355159][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5780.355159][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5780.355159][ T73] ipv6_find_idev+0x102/0x170 [ 5780.355159][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.355159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.355159][ T73] netlink_rcv_skb+0x130/0x360 [ 5780.355159][ T73] netlink_unicast+0x449/0x710 [ 5780.355159][ T73] netlink_sendmsg+0x723/0xbe0 [ 5780.355159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5780.355159][ T73] ___sys_sendmsg+0xee/0x170 [ 5780.355159][ T73] __sys_sendmsg+0xcd/0x170 [ 5780.355159][ T73] do_syscall_64+0xc6/0x1e0 [ 5780.355159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.355159][ T73] [ 5790.598967][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5790.599373][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.599373][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5790.599373][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5790.599373][ T73] fib6_nh_init+0xa22/0x1580 [ 5790.599373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.599373][ T73] ip6_route_add+0x1c/0x140 [ 5790.599373][ T73] inet6_rtm_newroute+0x104/0x110 [ 5790.599373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.599373][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.599373][ T73] netlink_unicast+0x449/0x710 [ 5790.599373][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.599373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.599373][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.599373][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.599373][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.599373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.599373][ T73] [ 5790.601271][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.601271][ T73] dst_init+0x84/0x4a0 [ 5790.601271][ T73] dst_alloc+0x97/0x150 [ 5790.601271][ T73] ip6_dst_alloc+0x23/0x90 [ 5790.601271][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5790.601271][ T73] ip6_pol_route+0x56f/0x840 [ 5790.601271][ T73] fib6_rule_lookup+0x456/0x630 [ 5790.601271][ T73] ip6_route_input+0x59c/0xa50 [ 5790.601271][ T73] ipv6_rcv+0x397/0x810 [ 5790.601271][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5790.601271][ T73] process_backlog+0x101/0x620 [ 5790.601271][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5790.601271][ T73] net_rx_action+0x495/0xbe0 [ 5790.601271][ T73] __do_softirq+0x1b5/0x7f6 [ 5790.601271][ T73] [ 5790.602915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.602915][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.602915][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.602915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.602915][ T73] ip6_route_add+0x1c/0x140 [ 5790.602915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5790.602915][ T73] inet6_addr_add+0x4f8/0xa40 [ 5790.602915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.602915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.602915][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.602915][ T73] netlink_unicast+0x449/0x710 [ 5790.602915][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.602915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.602915][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.602915][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.602915][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.602915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.602915][ T73] [ 5790.604935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.604935][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.604935][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.604935][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.604935][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5790.604935][ T73] ipv6_add_addr+0x411/0x2000 [ 5790.604935][ T73] inet6_addr_add+0x30e/0xa40 [ 5790.604935][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.604935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.604935][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.604935][ T73] netlink_unicast+0x449/0x710 [ 5790.604935][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.604935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.604935][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.604935][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.604935][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.604935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.604935][ T73] [ 5790.606942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.606942][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.606942][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.606942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.606942][ T73] ip6_route_add+0x1c/0x140 [ 5790.606942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5790.606942][ T73] addrconf_add_dev+0xe2/0x170 [ 5790.606942][ T73] inet6_addr_add+0x12f/0xa40 [ 5790.606942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.606942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.606942][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.606942][ T73] netlink_unicast+0x449/0x710 [ 5790.606942][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.606942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.606942][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.606942][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.606942][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.606942][ T73] [ 5790.608920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.608920][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5790.608920][ T73] ipv6_find_idev+0x102/0x170 [ 5790.608920][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.608920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.608920][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.608920][ T73] netlink_unicast+0x449/0x710 [ 5790.608920][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.608920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.608920][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.608920][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.608920][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.608920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.608920][ T73] [ 5790.610467][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5790.610467][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5790.610467][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5790.610467][ T73] ipv6_find_idev+0x102/0x170 [ 5790.610467][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.610467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.610467][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.610467][ T73] netlink_unicast+0x449/0x710 [ 5790.610467][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.610467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.610467][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.610467][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.610467][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.610467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.610467][ T73] [ 5790.612183][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5790.612456][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.612456][ T73] dst_init+0x84/0x4a0 [ 5790.612456][ T73] dst_alloc+0x97/0x150 [ 5790.612456][ T73] ip6_dst_alloc+0x23/0x90 [ 5790.612456][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5790.612456][ T73] ip6_pol_route+0x56f/0x840 [ 5790.612456][ T73] fib6_rule_lookup+0x456/0x630 [ 5790.612456][ T73] ip6_route_input+0x59c/0xa50 [ 5790.612456][ T73] ipv6_rcv+0x397/0x810 [ 5790.612456][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5790.612456][ T73] process_backlog+0x101/0x620 [ 5790.612456][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5790.612456][ T73] net_rx_action+0x495/0xbe0 [ 5790.612456][ T73] __do_softirq+0x1b5/0x7f6 [ 5790.612456][ T73] [ 5790.614109][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.614109][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.614109][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.614109][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.614109][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5790.614109][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5790.614109][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5790.614109][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5790.614109][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5790.614109][ T73] addrconf_dad_begin+0x310/0x670 [ 5790.614109][ T73] addrconf_dad_work+0x10b/0xab0 [ 5790.614109][ T73] process_one_work+0x84d/0x18a0 [ 5790.614109][ T73] worker_thread+0x587/0xd30 [ 5790.614109][ T73] kthread+0x28a/0x350 [ 5790.614109][ T73] ret_from_fork+0x31/0x70 [ 5790.614109][ T73] ret_from_fork_asm+0x1a/0x30 [ 5790.614109][ T73] [ 5790.616027][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.616027][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.616027][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.616027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.616027][ T73] ip6_route_add+0x1c/0x140 [ 5790.616027][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5790.616027][ T73] inet6_addr_add+0x4f8/0xa40 [ 5790.616027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.616027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.616027][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.616027][ T73] netlink_unicast+0x449/0x710 [ 5790.616027][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.616027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.616027][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.616027][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.616027][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.616027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.616027][ T73] [ 5790.618043][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.618043][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.618043][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.618043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.618043][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5790.618043][ T73] ipv6_add_addr+0x411/0x2000 [ 5790.618043][ T73] inet6_addr_add+0x30e/0xa40 [ 5790.618043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.618043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.618043][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.618043][ T73] netlink_unicast+0x449/0x710 [ 5790.618043][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.618043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.618043][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.618043][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.618043][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.618043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.618043][ T73] [ 5790.620048][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.620048][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.620048][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.620048][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.620048][ T73] ip6_route_add+0x1c/0x140 [ 5790.620048][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5790.620048][ T73] addrconf_add_dev+0xe2/0x170 [ 5790.620048][ T73] inet6_addr_add+0x12f/0xa40 [ 5790.620048][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.620048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.620048][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.620048][ T73] netlink_unicast+0x449/0x710 [ 5790.620048][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.620048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.620048][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.620048][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.620048][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.620048][ T73] [ 5790.622021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.622021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5790.622021][ T73] ipv6_find_idev+0x102/0x170 [ 5790.622021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.622021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.622021][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.622021][ T73] netlink_unicast+0x449/0x710 [ 5790.622021][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.622021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.622021][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.622021][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.622021][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.622021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.622021][ T73] [ 5790.623562][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5790.623562][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5790.623562][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5790.623562][ T73] ipv6_find_idev+0x102/0x170 [ 5790.623562][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.623562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.623562][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.623562][ T73] netlink_unicast+0x449/0x710 [ 5790.623562][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.623562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.623562][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.623562][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.623562][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.623562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.623562][ T73] [ 5790.625405][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5790.625733][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.625733][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5790.625733][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5790.625733][ T73] fib6_nh_init+0xa22/0x1580 [ 5790.625733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.625733][ T73] ip6_route_add+0x1c/0x140 [ 5790.625733][ T73] inet6_rtm_newroute+0x104/0x110 [ 5790.625733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.625733][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.625733][ T73] netlink_unicast+0x449/0x710 [ 5790.625733][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.625733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.625733][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.625733][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.625733][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.625733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.625733][ T73] [ 5790.627795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.627795][ T73] dst_init+0x84/0x4a0 [ 5790.627795][ T73] dst_alloc+0x97/0x150 [ 5790.627795][ T73] ip6_dst_alloc+0x23/0x90 [ 5790.627795][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5790.627795][ T73] ip6_pol_route+0x56f/0x840 [ 5790.627795][ T73] fib6_rule_lookup+0x456/0x630 [ 5790.627795][ T73] ip6_route_input+0x59c/0xa50 [ 5790.627795][ T73] ipv6_rcv+0x397/0x810 [ 5790.627795][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5790.627795][ T73] process_backlog+0x101/0x620 [ 5790.627795][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5790.627795][ T73] net_rx_action+0x495/0xbe0 [ 5790.627795][ T73] __do_softirq+0x1b5/0x7f6 [ 5790.627795][ T73] [ 5790.629629][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.629629][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.629629][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.629629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.629629][ T73] ip6_route_add+0x1c/0x140 [ 5790.629629][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5790.629629][ T73] inet6_addr_add+0x4f8/0xa40 [ 5790.629629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.629629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.629629][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.629629][ T73] netlink_unicast+0x449/0x710 [ 5790.629629][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.629629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.629629][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.629629][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.629629][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.629629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.629629][ T73] [ 5790.631976][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.631976][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.631976][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.631976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.631976][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5790.631976][ T73] ipv6_add_addr+0x411/0x2000 [ 5790.631976][ T73] inet6_addr_add+0x30e/0xa40 [ 5790.631976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.631976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.631976][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.631976][ T73] netlink_unicast+0x449/0x710 [ 5790.631976][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.631976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.631976][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.631976][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.631976][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.631976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.631976][ T73] [ 5790.634233][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.634233][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.634233][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.634233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.634233][ T73] ip6_route_add+0x1c/0x140 [ 5790.634233][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5790.634233][ T73] addrconf_add_dev+0xe2/0x170 [ 5790.634233][ T73] inet6_addr_add+0x12f/0xa40 [ 5790.634233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.634233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.634233][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.634233][ T73] netlink_unicast+0x449/0x710 [ 5790.634233][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.634233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.634233][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.634233][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.634233][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.634233][ T73] [ 5790.636447][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.636447][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5790.636447][ T73] ipv6_find_idev+0x102/0x170 [ 5790.636447][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.636447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.636447][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.636447][ T73] netlink_unicast+0x449/0x710 [ 5790.636447][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.636447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.636447][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.636447][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.636447][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.636447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.636447][ T73] [ 5790.638170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5790.638170][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5790.638170][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5790.638170][ T73] ipv6_find_idev+0x102/0x170 [ 5790.638170][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.638170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.638170][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.638170][ T73] netlink_unicast+0x449/0x710 [ 5790.638170][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.638170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.638170][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.638170][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.638170][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.638170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.638170][ T73] [ 5790.640113][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5790.640397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5790.640397][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.640397][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.640397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.640397][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5790.640397][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5790.640397][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5790.640397][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5790.640397][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5790.640397][ T73] addrconf_dad_begin+0x310/0x670 [ 5790.640397][ T73] addrconf_dad_work+0x10b/0xab0 [ 5790.640397][ T73] process_one_work+0x84d/0x18a0 [ 5790.640397][ T73] worker_thread+0x587/0xd30 [ 5790.640397][ T73] kthread+0x28a/0x350 [ 5790.640397][ T73] ret_from_fork+0x31/0x70 [ 5790.640397][ T73] ret_from_fork_asm+0x1a/0x30 [ 5790.640397][ T73] [ 5790.642570][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5790.642570][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.642570][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.642570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.642570][ T73] ip6_route_add+0x1c/0x140 [ 5790.642570][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5790.642570][ T73] inet6_addr_add+0x4f8/0xa40 [ 5790.642570][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.642570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.642570][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.642570][ T73] netlink_unicast+0x449/0x710 [ 5790.642570][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.642570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.642570][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.642570][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.642570][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.642570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.642570][ T73] [ 5790.644824][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5790.644824][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.644824][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.644824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.644824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5790.644824][ T73] ipv6_add_addr+0x411/0x2000 [ 5790.644824][ T73] inet6_addr_add+0x30e/0xa40 [ 5790.644824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.644824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.644824][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.644824][ T73] netlink_unicast+0x449/0x710 [ 5790.644824][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.644824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.644824][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.644824][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.644824][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.644824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.644824][ T73] [ 5790.647080][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5790.647080][ T73] netdev_get_by_index+0x5e/0x80 [ 5790.647080][ T73] fib6_nh_init+0x3d8/0x1580 [ 5790.647080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5790.647080][ T73] ip6_route_add+0x1c/0x140 [ 5790.647080][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5790.647080][ T73] addrconf_add_dev+0xe2/0x170 [ 5790.647080][ T73] inet6_addr_add+0x12f/0xa40 [ 5790.647080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.647080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.647080][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.647080][ T73] netlink_unicast+0x449/0x710 [ 5790.647080][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.647080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.647080][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.647080][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.647080][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.647080][ T73] [ 5790.649749][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5790.649749][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5790.649749][ T73] ipv6_find_idev+0x102/0x170 [ 5790.649749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.649749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.649749][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.649749][ T73] netlink_unicast+0x449/0x710 [ 5790.649749][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.649749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.649749][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.649749][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.649749][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.649749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.649749][ T73] [ 5790.651538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5790.651538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5790.651538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5790.651538][ T73] ipv6_find_idev+0x102/0x170 [ 5790.651538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.651538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.651538][ T73] netlink_rcv_skb+0x130/0x360 [ 5790.651538][ T73] netlink_unicast+0x449/0x710 [ 5790.651538][ T73] netlink_sendmsg+0x723/0xbe0 [ 5790.651538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5790.651538][ T73] ___sys_sendmsg+0xee/0x170 [ 5790.651538][ T73] __sys_sendmsg+0xcd/0x170 [ 5790.651538][ T73] do_syscall_64+0xc6/0x1e0 [ 5790.651538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.651538][ T73] [ 5800.894831][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5800.895303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.895303][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5800.895303][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5800.895303][ T73] fib6_nh_init+0xa22/0x1580 [ 5800.895303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.895303][ T73] ip6_route_add+0x1c/0x140 [ 5800.895303][ T73] inet6_rtm_newroute+0x104/0x110 [ 5800.895303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.895303][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.895303][ T73] netlink_unicast+0x449/0x710 [ 5800.895303][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.895303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.895303][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.895303][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.895303][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.895303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.895303][ T73] [ 5800.897246][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.897246][ T73] dst_init+0x84/0x4a0 [ 5800.897246][ T73] dst_alloc+0x97/0x150 [ 5800.897246][ T73] ip6_dst_alloc+0x23/0x90 [ 5800.897246][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5800.897246][ T73] ip6_pol_route+0x56f/0x840 [ 5800.897246][ T73] fib6_rule_lookup+0x456/0x630 [ 5800.897246][ T73] ip6_route_input+0x59c/0xa50 [ 5800.897246][ T73] ipv6_rcv+0x397/0x810 [ 5800.897246][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5800.897246][ T73] process_backlog+0x101/0x620 [ 5800.897246][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5800.897246][ T73] net_rx_action+0x495/0xbe0 [ 5800.897246][ T73] __do_softirq+0x1b5/0x7f6 [ 5800.897246][ T73] [ 5800.898901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.898901][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.898901][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.898901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.898901][ T73] ip6_route_add+0x1c/0x140 [ 5800.898901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5800.898901][ T73] inet6_addr_add+0x4f8/0xa40 [ 5800.898901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.898901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.898901][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.898901][ T73] netlink_unicast+0x449/0x710 [ 5800.898901][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.898901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.898901][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.898901][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.898901][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.898901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.898901][ T73] [ 5800.900921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.900921][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.900921][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.900921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.900921][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5800.900921][ T73] ipv6_add_addr+0x411/0x2000 [ 5800.900921][ T73] inet6_addr_add+0x30e/0xa40 [ 5800.900921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.900921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.900921][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.900921][ T73] netlink_unicast+0x449/0x710 [ 5800.900921][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.900921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.900921][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.900921][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.900921][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.900921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.900921][ T73] [ 5800.902934][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.902934][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.902934][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.902934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.902934][ T73] ip6_route_add+0x1c/0x140 [ 5800.902934][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5800.902934][ T73] addrconf_add_dev+0xe2/0x170 [ 5800.902934][ T73] inet6_addr_add+0x12f/0xa40 [ 5800.902934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.902934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.902934][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.902934][ T73] netlink_unicast+0x449/0x710 [ 5800.902934][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.902934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.902934][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.902934][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.902934][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.902934][ T73] [ 5800.904935][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.904935][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5800.904935][ T73] ipv6_find_idev+0x102/0x170 [ 5800.904935][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.904935][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.904935][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.904935][ T73] netlink_unicast+0x449/0x710 [ 5800.904935][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.904935][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.904935][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.904935][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.904935][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.904935][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.904935][ T73] [ 5800.906483][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5800.906483][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5800.906483][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5800.906483][ T73] ipv6_find_idev+0x102/0x170 [ 5800.906483][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.906483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.906483][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.906483][ T73] netlink_unicast+0x449/0x710 [ 5800.906483][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.906483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.906483][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.906483][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.906483][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.906483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.906483][ T73] [ 5800.908190][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5800.908471][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.908471][ T73] dst_init+0x84/0x4a0 [ 5800.908471][ T73] dst_alloc+0x97/0x150 [ 5800.908471][ T73] ip6_dst_alloc+0x23/0x90 [ 5800.908471][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5800.908471][ T73] ip6_pol_route+0x56f/0x840 [ 5800.908471][ T73] fib6_rule_lookup+0x456/0x630 [ 5800.908471][ T73] ip6_route_input+0x59c/0xa50 [ 5800.908471][ T73] ipv6_rcv+0x397/0x810 [ 5800.908471][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5800.908471][ T73] process_backlog+0x101/0x620 [ 5800.908471][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5800.908471][ T73] net_rx_action+0x495/0xbe0 [ 5800.908471][ T73] __do_softirq+0x1b5/0x7f6 [ 5800.908471][ T73] [ 5800.910503][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.910503][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.910503][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.910503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.910503][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5800.910503][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5800.910503][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5800.910503][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5800.910503][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5800.910503][ T73] addrconf_dad_begin+0x310/0x670 [ 5800.910503][ T73] addrconf_dad_work+0x10b/0xab0 [ 5800.910503][ T73] process_one_work+0x84d/0x18a0 [ 5800.910503][ T73] worker_thread+0x587/0xd30 [ 5800.910503][ T73] kthread+0x28a/0x350 [ 5800.910503][ T73] ret_from_fork+0x31/0x70 [ 5800.910503][ T73] ret_from_fork_asm+0x1a/0x30 [ 5800.910503][ T73] [ 5800.912427][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.912427][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.912427][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.912427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.912427][ T73] ip6_route_add+0x1c/0x140 [ 5800.912427][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5800.912427][ T73] inet6_addr_add+0x4f8/0xa40 [ 5800.912427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.912427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.912427][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.912427][ T73] netlink_unicast+0x449/0x710 [ 5800.912427][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.912427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.912427][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.912427][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.912427][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.912427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.912427][ T73] [ 5800.914440][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.914440][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.914440][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.914440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.914440][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5800.914440][ T73] ipv6_add_addr+0x411/0x2000 [ 5800.914440][ T73] inet6_addr_add+0x30e/0xa40 [ 5800.914440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.914440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.914440][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.914440][ T73] netlink_unicast+0x449/0x710 [ 5800.914440][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.914440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.914440][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.914440][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.914440][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.914440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.914440][ T73] [ 5800.916445][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.916445][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.916445][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.916445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.916445][ T73] ip6_route_add+0x1c/0x140 [ 5800.916445][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5800.916445][ T73] addrconf_add_dev+0xe2/0x170 [ 5800.916445][ T73] inet6_addr_add+0x12f/0xa40 [ 5800.916445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.916445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.916445][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.916445][ T73] netlink_unicast+0x449/0x710 [ 5800.916445][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.916445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.916445][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.916445][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.916445][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.916445][ T73] [ 5800.918417][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.918417][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5800.918417][ T73] ipv6_find_idev+0x102/0x170 [ 5800.918417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.918417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.918417][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.918417][ T73] netlink_unicast+0x449/0x710 [ 5800.918417][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.918417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.918417][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.918417][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.918417][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.918417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.918417][ T73] [ 5800.919967][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5800.919967][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5800.919967][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5800.919967][ T73] ipv6_find_idev+0x102/0x170 [ 5800.919967][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.919967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.919967][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.919967][ T73] netlink_unicast+0x449/0x710 [ 5800.919967][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.919967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.919967][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.919967][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.919967][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.919967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.919967][ T73] [ 5800.921732][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5800.922018][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.922018][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5800.922018][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5800.922018][ T73] fib6_nh_init+0xa22/0x1580 [ 5800.922018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.922018][ T73] ip6_route_add+0x1c/0x140 [ 5800.922018][ T73] inet6_rtm_newroute+0x104/0x110 [ 5800.922018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.922018][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.922018][ T73] netlink_unicast+0x449/0x710 [ 5800.922018][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.922018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.922018][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.922018][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.922018][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.922018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.922018][ T73] [ 5800.923979][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.923979][ T73] dst_init+0x84/0x4a0 [ 5800.923979][ T73] dst_alloc+0x97/0x150 [ 5800.923979][ T73] ip6_dst_alloc+0x23/0x90 [ 5800.923979][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5800.923979][ T73] ip6_pol_route+0x56f/0x840 [ 5800.923979][ T73] fib6_rule_lookup+0x456/0x630 [ 5800.923979][ T73] ip6_route_input+0x59c/0xa50 [ 5800.923979][ T73] ipv6_rcv+0x397/0x810 [ 5800.923979][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5800.923979][ T73] process_backlog+0x101/0x620 [ 5800.923979][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5800.923979][ T73] net_rx_action+0x495/0xbe0 [ 5800.923979][ T73] __do_softirq+0x1b5/0x7f6 [ 5800.923979][ T73] [ 5800.925684][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.925684][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.925684][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.925684][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.925684][ T73] ip6_route_add+0x1c/0x140 [ 5800.925684][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5800.925684][ T73] inet6_addr_add+0x4f8/0xa40 [ 5800.925684][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.925684][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.925684][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.925684][ T73] netlink_unicast+0x449/0x710 [ 5800.925684][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.925684][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.925684][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.925684][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.925684][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.925684][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.925684][ T73] [ 5800.927755][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.927755][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.927755][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.927755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.927755][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5800.927755][ T73] ipv6_add_addr+0x411/0x2000 [ 5800.927755][ T73] inet6_addr_add+0x30e/0xa40 [ 5800.927755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.927755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.927755][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.927755][ T73] netlink_unicast+0x449/0x710 [ 5800.927755][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.927755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.927755][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.927755][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.927755][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.927755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.927755][ T73] [ 5800.929906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.929906][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.929906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.929906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.929906][ T73] ip6_route_add+0x1c/0x140 [ 5800.929906][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5800.929906][ T73] addrconf_add_dev+0xe2/0x170 [ 5800.929906][ T73] inet6_addr_add+0x12f/0xa40 [ 5800.929906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.929906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.929906][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.929906][ T73] netlink_unicast+0x449/0x710 [ 5800.929906][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.929906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.929906][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.929906][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.929906][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.929906][ T73] [ 5800.931952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.931952][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5800.931952][ T73] ipv6_find_idev+0x102/0x170 [ 5800.931952][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.931952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.931952][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.931952][ T73] netlink_unicast+0x449/0x710 [ 5800.931952][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.931952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.931952][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.931952][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.931952][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.931952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.931952][ T73] [ 5800.933576][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5800.933576][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5800.933576][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5800.933576][ T73] ipv6_find_idev+0x102/0x170 [ 5800.933576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.933576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.933576][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.933576][ T73] netlink_unicast+0x449/0x710 [ 5800.933576][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.933576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.933576][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.933576][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.933576][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.933576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.933576][ T73] [ 5800.935354][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5800.935627][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5800.935627][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.935627][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.935627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.935627][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5800.935627][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5800.935627][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5800.935627][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5800.935627][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5800.935627][ T73] addrconf_dad_begin+0x310/0x670 [ 5800.935627][ T73] addrconf_dad_work+0x10b/0xab0 [ 5800.935627][ T73] process_one_work+0x84d/0x18a0 [ 5800.935627][ T73] worker_thread+0x587/0xd30 [ 5800.935627][ T73] kthread+0x28a/0x350 [ 5800.935627][ T73] ret_from_fork+0x31/0x70 [ 5800.935627][ T73] ret_from_fork_asm+0x1a/0x30 [ 5800.935627][ T73] [ 5800.937687][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5800.937687][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.937687][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.937687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.937687][ T73] ip6_route_add+0x1c/0x140 [ 5800.937687][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5800.937687][ T73] inet6_addr_add+0x4f8/0xa40 [ 5800.937687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.937687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.937687][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.937687][ T73] netlink_unicast+0x449/0x710 [ 5800.937687][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.937687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.937687][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.937687][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.937687][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.937687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.937687][ T73] [ 5800.939771][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5800.939771][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.939771][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.939771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.939771][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5800.939771][ T73] ipv6_add_addr+0x411/0x2000 [ 5800.939771][ T73] inet6_addr_add+0x30e/0xa40 [ 5800.939771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.939771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.939771][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.939771][ T73] netlink_unicast+0x449/0x710 [ 5800.939771][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.939771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.939771][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.939771][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.939771][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.939771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.939771][ T73] [ 5800.941843][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5800.941843][ T73] netdev_get_by_index+0x5e/0x80 [ 5800.941843][ T73] fib6_nh_init+0x3d8/0x1580 [ 5800.941843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5800.941843][ T73] ip6_route_add+0x1c/0x140 [ 5800.941843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5800.941843][ T73] addrconf_add_dev+0xe2/0x170 [ 5800.941843][ T73] inet6_addr_add+0x12f/0xa40 [ 5800.941843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.941843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.941843][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.941843][ T73] netlink_unicast+0x449/0x710 [ 5800.941843][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.941843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.941843][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.941843][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.941843][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.941843][ T73] [ 5800.943887][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5800.943887][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5800.943887][ T73] ipv6_find_idev+0x102/0x170 [ 5800.943887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.943887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.943887][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.943887][ T73] netlink_unicast+0x449/0x710 [ 5800.943887][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.943887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.943887][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.943887][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.943887][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.943887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.943887][ T73] [ 5800.945506][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5800.945506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5800.945506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5800.945506][ T73] ipv6_find_idev+0x102/0x170 [ 5800.945506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.945506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.945506][ T73] netlink_rcv_skb+0x130/0x360 [ 5800.945506][ T73] netlink_unicast+0x449/0x710 [ 5800.945506][ T73] netlink_sendmsg+0x723/0xbe0 [ 5800.945506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5800.945506][ T73] ___sys_sendmsg+0xee/0x170 [ 5800.945506][ T73] __sys_sendmsg+0xcd/0x170 [ 5800.945506][ T73] do_syscall_64+0xc6/0x1e0 [ 5800.945506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.945506][ T73] [ 5811.182918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5811.183360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.183360][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5811.183360][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5811.183360][ T73] fib6_nh_init+0xa22/0x1580 [ 5811.183360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.183360][ T73] ip6_route_add+0x1c/0x140 [ 5811.183360][ T73] inet6_rtm_newroute+0x104/0x110 [ 5811.183360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.183360][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.183360][ T73] netlink_unicast+0x449/0x710 [ 5811.183360][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.183360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.183360][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.183360][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.183360][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.183360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.183360][ T73] [ 5811.185274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.185274][ T73] dst_init+0x84/0x4a0 [ 5811.185274][ T73] dst_alloc+0x97/0x150 [ 5811.185274][ T73] ip6_dst_alloc+0x23/0x90 [ 5811.185274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5811.185274][ T73] ip6_pol_route+0x56f/0x840 [ 5811.185274][ T73] fib6_rule_lookup+0x456/0x630 [ 5811.185274][ T73] ip6_route_input+0x59c/0xa50 [ 5811.185274][ T73] ipv6_rcv+0x397/0x810 [ 5811.185274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5811.185274][ T73] process_backlog+0x101/0x620 [ 5811.185274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5811.185274][ T73] net_rx_action+0x495/0xbe0 [ 5811.185274][ T73] __do_softirq+0x1b5/0x7f6 [ 5811.185274][ T73] [ 5811.186915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.186915][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.186915][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.186915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.186915][ T73] ip6_route_add+0x1c/0x140 [ 5811.186915][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5811.186915][ T73] inet6_addr_add+0x4f8/0xa40 [ 5811.186915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.186915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.186915][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.186915][ T73] netlink_unicast+0x449/0x710 [ 5811.186915][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.186915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.186915][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.186915][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.186915][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.186915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.186915][ T73] [ 5811.188914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.188914][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.188914][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.188914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.188914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5811.188914][ T73] ipv6_add_addr+0x411/0x2000 [ 5811.188914][ T73] inet6_addr_add+0x30e/0xa40 [ 5811.188914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.188914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.188914][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.188914][ T73] netlink_unicast+0x449/0x710 [ 5811.188914][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.188914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.188914][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.188914][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.188914][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.188914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.188914][ T73] [ 5811.190895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.190895][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.190895][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.190895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.190895][ T73] ip6_route_add+0x1c/0x140 [ 5811.190895][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5811.190895][ T73] addrconf_add_dev+0xe2/0x170 [ 5811.190895][ T73] inet6_addr_add+0x12f/0xa40 [ 5811.190895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.190895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.190895][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.190895][ T73] netlink_unicast+0x449/0x710 [ 5811.190895][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.190895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.190895][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.190895][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.190895][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.190895][ T73] [ 5811.192845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.192845][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5811.192845][ T73] ipv6_find_idev+0x102/0x170 [ 5811.192845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.192845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.192845][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.192845][ T73] netlink_unicast+0x449/0x710 [ 5811.192845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.192845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.192845][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.192845][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.192845][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.192845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.192845][ T73] [ 5811.194391][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5811.194391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5811.194391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5811.194391][ T73] ipv6_find_idev+0x102/0x170 [ 5811.194391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.194391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.194391][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.194391][ T73] netlink_unicast+0x449/0x710 [ 5811.194391][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.194391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.194391][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.194391][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.194391][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.194391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.194391][ T73] [ 5811.196449][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5811.196717][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.196717][ T73] dst_init+0x84/0x4a0 [ 5811.196717][ T73] dst_alloc+0x97/0x150 [ 5811.196717][ T73] ip6_dst_alloc+0x23/0x90 [ 5811.196717][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5811.196717][ T73] ip6_pol_route+0x56f/0x840 [ 5811.196717][ T73] fib6_rule_lookup+0x456/0x630 [ 5811.196717][ T73] ip6_route_input+0x59c/0xa50 [ 5811.196717][ T73] ipv6_rcv+0x397/0x810 [ 5811.196717][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5811.196717][ T73] process_backlog+0x101/0x620 [ 5811.196717][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5811.196717][ T73] net_rx_action+0x495/0xbe0 [ 5811.196717][ T73] __do_softirq+0x1b5/0x7f6 [ 5811.196717][ T73] [ 5811.198343][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.198343][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.198343][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.198343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.198343][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5811.198343][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5811.198343][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5811.198343][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5811.198343][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5811.198343][ T73] addrconf_dad_begin+0x310/0x670 [ 5811.198343][ T73] addrconf_dad_work+0x10b/0xab0 [ 5811.198343][ T73] process_one_work+0x84d/0x18a0 [ 5811.198343][ T73] worker_thread+0x587/0xd30 [ 5811.198343][ T73] kthread+0x28a/0x350 [ 5811.198343][ T73] ret_from_fork+0x31/0x70 [ 5811.198343][ T73] ret_from_fork_asm+0x1a/0x30 [ 5811.198343][ T73] [ 5811.200243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.200243][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.200243][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.200243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.200243][ T73] ip6_route_add+0x1c/0x140 [ 5811.200243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5811.200243][ T73] inet6_addr_add+0x4f8/0xa40 [ 5811.200243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.200243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.200243][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.200243][ T73] netlink_unicast+0x449/0x710 [ 5811.200243][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.200243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.200243][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.200243][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.200243][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.200243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.200243][ T73] [ 5811.202219][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.202219][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.202219][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.202219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.202219][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5811.202219][ T73] ipv6_add_addr+0x411/0x2000 [ 5811.202219][ T73] inet6_addr_add+0x30e/0xa40 [ 5811.202219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.202219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.202219][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.202219][ T73] netlink_unicast+0x449/0x710 [ 5811.202219][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.202219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.202219][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.202219][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.202219][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.202219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.202219][ T73] [ 5811.204215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.204215][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.204215][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.204215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.204215][ T73] ip6_route_add+0x1c/0x140 [ 5811.204215][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5811.204215][ T73] addrconf_add_dev+0xe2/0x170 [ 5811.204215][ T73] inet6_addr_add+0x12f/0xa40 [ 5811.204215][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.204215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.204215][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.204215][ T73] netlink_unicast+0x449/0x710 [ 5811.204215][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.204215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.204215][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.204215][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.204215][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.204215][ T73] [ 5811.206174][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.206174][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5811.206174][ T73] ipv6_find_idev+0x102/0x170 [ 5811.206174][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.206174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.206174][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.206174][ T73] netlink_unicast+0x449/0x710 [ 5811.206174][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.206174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.206174][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.206174][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.206174][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.206174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.206174][ T73] [ 5811.207707][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5811.207707][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5811.207707][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5811.207707][ T73] ipv6_find_idev+0x102/0x170 [ 5811.207707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.207707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.207707][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.207707][ T73] netlink_unicast+0x449/0x710 [ 5811.207707][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.207707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.207707][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.207707][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.207707][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.207707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.207707][ T73] [ 5811.209441][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5811.209773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.209773][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5811.209773][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5811.209773][ T73] fib6_nh_init+0xa22/0x1580 [ 5811.209773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.209773][ T73] ip6_route_add+0x1c/0x140 [ 5811.209773][ T73] inet6_rtm_newroute+0x104/0x110 [ 5811.209773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.209773][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.209773][ T73] netlink_unicast+0x449/0x710 [ 5811.209773][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.209773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.209773][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.209773][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.209773][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.209773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.209773][ T73] [ 5811.211826][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.211826][ T73] dst_init+0x84/0x4a0 [ 5811.211826][ T73] dst_alloc+0x97/0x150 [ 5811.211826][ T73] ip6_dst_alloc+0x23/0x90 [ 5811.211826][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5811.211826][ T73] ip6_pol_route+0x56f/0x840 [ 5811.211826][ T73] fib6_rule_lookup+0x456/0x630 [ 5811.211826][ T73] ip6_route_input+0x59c/0xa50 [ 5811.211826][ T73] ipv6_rcv+0x397/0x810 [ 5811.211826][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5811.211826][ T73] process_backlog+0x101/0x620 [ 5811.211826][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5811.211826][ T73] net_rx_action+0x495/0xbe0 [ 5811.211826][ T73] __do_softirq+0x1b5/0x7f6 [ 5811.211826][ T73] [ 5811.213695][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.213695][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.213695][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.213695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.213695][ T73] ip6_route_add+0x1c/0x140 [ 5811.213695][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5811.213695][ T73] inet6_addr_add+0x4f8/0xa40 [ 5811.213695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.213695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.213695][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.213695][ T73] netlink_unicast+0x449/0x710 [ 5811.213695][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.213695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.213695][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.213695][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.213695][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.213695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.213695][ T73] [ 5811.215923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.215923][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.215923][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.215923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.215923][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5811.215923][ T73] ipv6_add_addr+0x411/0x2000 [ 5811.215923][ T73] inet6_addr_add+0x30e/0xa40 [ 5811.215923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.215923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.215923][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.215923][ T73] netlink_unicast+0x449/0x710 [ 5811.215923][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.215923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.215923][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.215923][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.215923][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.215923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.215923][ T73] [ 5811.218151][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.218151][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.218151][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.218151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.218151][ T73] ip6_route_add+0x1c/0x140 [ 5811.218151][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5811.218151][ T73] addrconf_add_dev+0xe2/0x170 [ 5811.218151][ T73] inet6_addr_add+0x12f/0xa40 [ 5811.218151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.218151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.218151][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.218151][ T73] netlink_unicast+0x449/0x710 [ 5811.218151][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.218151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.218151][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.218151][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.218151][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.218151][ T73] [ 5811.220351][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.220351][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5811.220351][ T73] ipv6_find_idev+0x102/0x170 [ 5811.220351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.220351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.220351][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.220351][ T73] netlink_unicast+0x449/0x710 [ 5811.220351][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.220351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.220351][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.220351][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.220351][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.220351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.220351][ T73] [ 5811.222059][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5811.222059][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5811.222059][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5811.222059][ T73] ipv6_find_idev+0x102/0x170 [ 5811.222059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.222059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.222059][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.222059][ T73] netlink_unicast+0x449/0x710 [ 5811.222059][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.222059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.222059][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.222059][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.222059][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.222059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.222059][ T73] [ 5811.223935][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5811.224203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5811.224203][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.224203][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.224203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.224203][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5811.224203][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5811.224203][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5811.224203][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5811.224203][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5811.224203][ T73] addrconf_dad_begin+0x310/0x670 [ 5811.224203][ T73] addrconf_dad_work+0x10b/0xab0 [ 5811.224203][ T73] process_one_work+0x84d/0x18a0 [ 5811.224203][ T73] worker_thread+0x587/0xd30 [ 5811.224203][ T73] kthread+0x28a/0x350 [ 5811.224203][ T73] ret_from_fork+0x31/0x70 [ 5811.224203][ T73] ret_from_fork_asm+0x1a/0x30 [ 5811.224203][ T73] [ 5811.226183][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5811.226183][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.226183][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.226183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.226183][ T73] ip6_route_add+0x1c/0x140 [ 5811.226183][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5811.226183][ T73] inet6_addr_add+0x4f8/0xa40 [ 5811.226183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.226183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.226183][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.226183][ T73] netlink_unicast+0x449/0x710 [ 5811.226183][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.226183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.226183][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.226183][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.226183][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.226183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.226183][ T73] [ 5811.228325][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5811.228325][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.228325][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.228325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.228325][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5811.228325][ T73] ipv6_add_addr+0x411/0x2000 [ 5811.228325][ T73] inet6_addr_add+0x30e/0xa40 [ 5811.228325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.228325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.228325][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.228325][ T73] netlink_unicast+0x449/0x710 [ 5811.228325][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.228325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.228325][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.228325][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.228325][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.228325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.228325][ T73] [ 5811.230389][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5811.230389][ T73] netdev_get_by_index+0x5e/0x80 [ 5811.230389][ T73] fib6_nh_init+0x3d8/0x1580 [ 5811.230389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5811.230389][ T73] ip6_route_add+0x1c/0x140 [ 5811.230389][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5811.230389][ T73] addrconf_add_dev+0xe2/0x170 [ 5811.230389][ T73] inet6_addr_add+0x12f/0xa40 [ 5811.230389][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.230389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.230389][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.230389][ T73] netlink_unicast+0x449/0x710 [ 5811.230389][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.230389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.230389][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.230389][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.230389][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.230389][ T73] [ 5811.232423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5811.232423][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5811.232423][ T73] ipv6_find_idev+0x102/0x170 [ 5811.232423][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.232423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.232423][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.232423][ T73] netlink_unicast+0x449/0x710 [ 5811.232423][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.232423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.232423][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.232423][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.232423][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.232423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.232423][ T73] [ 5811.234029][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5811.234029][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5811.234029][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5811.234029][ T73] ipv6_find_idev+0x102/0x170 [ 5811.234029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.234029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.234029][ T73] netlink_rcv_skb+0x130/0x360 [ 5811.234029][ T73] netlink_unicast+0x449/0x710 [ 5811.234029][ T73] netlink_sendmsg+0x723/0xbe0 [ 5811.234029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5811.234029][ T73] ___sys_sendmsg+0xee/0x170 [ 5811.234029][ T73] __sys_sendmsg+0xcd/0x170 [ 5811.234029][ T73] do_syscall_64+0xc6/0x1e0 [ 5811.234029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.234029][ T73] [ 5821.478891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5821.479350][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.479350][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5821.479350][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5821.479350][ T73] fib6_nh_init+0xa22/0x1580 [ 5821.479350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.479350][ T73] ip6_route_add+0x1c/0x140 [ 5821.479350][ T73] inet6_rtm_newroute+0x104/0x110 [ 5821.479350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.479350][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.479350][ T73] netlink_unicast+0x449/0x710 [ 5821.479350][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.479350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.479350][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.479350][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.479350][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.479350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.479350][ T73] [ 5821.481216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.481216][ T73] dst_init+0x84/0x4a0 [ 5821.481216][ T73] dst_alloc+0x97/0x150 [ 5821.481216][ T73] ip6_dst_alloc+0x23/0x90 [ 5821.481216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5821.481216][ T73] ip6_pol_route+0x56f/0x840 [ 5821.481216][ T73] fib6_rule_lookup+0x456/0x630 [ 5821.481216][ T73] ip6_route_input+0x59c/0xa50 [ 5821.481216][ T73] ipv6_rcv+0x397/0x810 [ 5821.481216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5821.481216][ T73] process_backlog+0x101/0x620 [ 5821.481216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5821.481216][ T73] net_rx_action+0x495/0xbe0 [ 5821.481216][ T73] __do_softirq+0x1b5/0x7f6 [ 5821.481216][ T73] [ 5821.482807][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.482807][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.482807][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.482807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.482807][ T73] ip6_route_add+0x1c/0x140 [ 5821.482807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5821.482807][ T73] inet6_addr_add+0x4f8/0xa40 [ 5821.482807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.482807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.482807][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.482807][ T73] netlink_unicast+0x449/0x710 [ 5821.482807][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.482807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.482807][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.482807][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.482807][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.482807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.482807][ T73] [ 5821.484811][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.484811][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.484811][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.484811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.484811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5821.484811][ T73] ipv6_add_addr+0x411/0x2000 [ 5821.484811][ T73] inet6_addr_add+0x30e/0xa40 [ 5821.484811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.484811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.484811][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.484811][ T73] netlink_unicast+0x449/0x710 [ 5821.484811][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.484811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.484811][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.484811][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.484811][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.484811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.484811][ T73] [ 5821.486804][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.486804][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.486804][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.486804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.486804][ T73] ip6_route_add+0x1c/0x140 [ 5821.486804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5821.486804][ T73] addrconf_add_dev+0xe2/0x170 [ 5821.486804][ T73] inet6_addr_add+0x12f/0xa40 [ 5821.486804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.486804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.486804][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.486804][ T73] netlink_unicast+0x449/0x710 [ 5821.486804][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.486804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.486804][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.486804][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.486804][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.486804][ T73] [ 5821.488778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.488778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5821.488778][ T73] ipv6_find_idev+0x102/0x170 [ 5821.488778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.488778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.488778][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.488778][ T73] netlink_unicast+0x449/0x710 [ 5821.488778][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.488778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.488778][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.488778][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.488778][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.488778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.488778][ T73] [ 5821.490313][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5821.490313][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5821.490313][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5821.490313][ T73] ipv6_find_idev+0x102/0x170 [ 5821.490313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.490313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.490313][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.490313][ T73] netlink_unicast+0x449/0x710 [ 5821.490313][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.490313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.490313][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.490313][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.490313][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.490313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.490313][ T73] [ 5821.492000][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5821.492274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.492274][ T73] dst_init+0x84/0x4a0 [ 5821.492274][ T73] dst_alloc+0x97/0x150 [ 5821.492274][ T73] ip6_dst_alloc+0x23/0x90 [ 5821.492274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5821.492274][ T73] ip6_pol_route+0x56f/0x840 [ 5821.492274][ T73] fib6_rule_lookup+0x456/0x630 [ 5821.492274][ T73] ip6_route_input+0x59c/0xa50 [ 5821.492274][ T73] ipv6_rcv+0x397/0x810 [ 5821.492274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5821.492274][ T73] process_backlog+0x101/0x620 [ 5821.492274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5821.492274][ T73] net_rx_action+0x495/0xbe0 [ 5821.492274][ T73] __do_softirq+0x1b5/0x7f6 [ 5821.492274][ T73] [ 5821.493929][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.493929][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.493929][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.493929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.493929][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5821.493929][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5821.493929][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5821.493929][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5821.493929][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5821.493929][ T73] addrconf_dad_begin+0x310/0x670 [ 5821.493929][ T73] addrconf_dad_work+0x10b/0xab0 [ 5821.493929][ T73] process_one_work+0x84d/0x18a0 [ 5821.493929][ T73] worker_thread+0x587/0xd30 [ 5821.493929][ T73] kthread+0x28a/0x350 [ 5821.493929][ T73] ret_from_fork+0x31/0x70 [ 5821.493929][ T73] ret_from_fork_asm+0x1a/0x30 [ 5821.493929][ T73] [ 5821.495835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.495835][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.495835][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.495835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.495835][ T73] ip6_route_add+0x1c/0x140 [ 5821.495835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5821.495835][ T73] inet6_addr_add+0x4f8/0xa40 [ 5821.495835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.495835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.495835][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.495835][ T73] netlink_unicast+0x449/0x710 [ 5821.495835][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.495835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.495835][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.495835][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.495835][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.495835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.495835][ T73] [ 5821.497827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.497827][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.497827][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.497827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.497827][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5821.497827][ T73] ipv6_add_addr+0x411/0x2000 [ 5821.497827][ T73] inet6_addr_add+0x30e/0xa40 [ 5821.497827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.497827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.497827][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.497827][ T73] netlink_unicast+0x449/0x710 [ 5821.497827][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.497827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.497827][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.497827][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.497827][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.497827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.497827][ T73] [ 5821.499813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.499813][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.499813][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.499813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.499813][ T73] ip6_route_add+0x1c/0x140 [ 5821.499813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5821.499813][ T73] addrconf_add_dev+0xe2/0x170 [ 5821.499813][ T73] inet6_addr_add+0x12f/0xa40 [ 5821.499813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.499813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.499813][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.499813][ T73] netlink_unicast+0x449/0x710 [ 5821.499813][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.499813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.499813][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.499813][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.499813][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.499813][ T73] [ 5821.501773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.501773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5821.501773][ T73] ipv6_find_idev+0x102/0x170 [ 5821.501773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.501773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.501773][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.501773][ T73] netlink_unicast+0x449/0x710 [ 5821.501773][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.501773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.501773][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.501773][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.501773][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.501773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.501773][ T73] [ 5821.503306][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5821.503306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5821.503306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5821.503306][ T73] ipv6_find_idev+0x102/0x170 [ 5821.503306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.503306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.503306][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.503306][ T73] netlink_unicast+0x449/0x710 [ 5821.503306][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.503306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.503306][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.503306][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.503306][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.503306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.503306][ T73] [ 5821.505054][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5821.505393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.505393][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5821.505393][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5821.505393][ T73] fib6_nh_init+0xa22/0x1580 [ 5821.505393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.505393][ T73] ip6_route_add+0x1c/0x140 [ 5821.505393][ T73] inet6_rtm_newroute+0x104/0x110 [ 5821.505393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.505393][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.505393][ T73] netlink_unicast+0x449/0x710 [ 5821.505393][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.505393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.505393][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.505393][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.505393][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.505393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.505393][ T73] [ 5821.507445][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.507445][ T73] dst_init+0x84/0x4a0 [ 5821.507445][ T73] dst_alloc+0x97/0x150 [ 5821.507445][ T73] ip6_dst_alloc+0x23/0x90 [ 5821.507445][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5821.507445][ T73] ip6_pol_route+0x56f/0x840 [ 5821.507445][ T73] fib6_rule_lookup+0x456/0x630 [ 5821.507445][ T73] ip6_route_input+0x59c/0xa50 [ 5821.507445][ T73] ipv6_rcv+0x397/0x810 [ 5821.507445][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5821.507445][ T73] process_backlog+0x101/0x620 [ 5821.507445][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5821.507445][ T73] net_rx_action+0x495/0xbe0 [ 5821.507445][ T73] __do_softirq+0x1b5/0x7f6 [ 5821.507445][ T73] [ 5821.509257][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.509257][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.509257][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.509257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.509257][ T73] ip6_route_add+0x1c/0x140 [ 5821.509257][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5821.509257][ T73] inet6_addr_add+0x4f8/0xa40 [ 5821.509257][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.509257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.509257][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.509257][ T73] netlink_unicast+0x449/0x710 [ 5821.509257][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.509257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.509257][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.509257][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.509257][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.509257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.509257][ T73] [ 5821.511490][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.511490][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.511490][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.511490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.511490][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5821.511490][ T73] ipv6_add_addr+0x411/0x2000 [ 5821.511490][ T73] inet6_addr_add+0x30e/0xa40 [ 5821.511490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.511490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.511490][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.511490][ T73] netlink_unicast+0x449/0x710 [ 5821.511490][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.511490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.511490][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.511490][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.511490][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.511490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.511490][ T73] [ 5821.513746][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.513746][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.513746][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.513746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.513746][ T73] ip6_route_add+0x1c/0x140 [ 5821.513746][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5821.513746][ T73] addrconf_add_dev+0xe2/0x170 [ 5821.513746][ T73] inet6_addr_add+0x12f/0xa40 [ 5821.513746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.513746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.513746][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.513746][ T73] netlink_unicast+0x449/0x710 [ 5821.513746][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.513746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.513746][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.513746][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.513746][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.513746][ T73] [ 5821.516007][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.516007][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5821.516007][ T73] ipv6_find_idev+0x102/0x170 [ 5821.516007][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.516007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.516007][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.516007][ T73] netlink_unicast+0x449/0x710 [ 5821.516007][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.516007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.516007][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.516007][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.516007][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.516007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.516007][ T73] [ 5821.517723][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5821.517723][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5821.517723][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5821.517723][ T73] ipv6_find_idev+0x102/0x170 [ 5821.517723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.517723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.517723][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.517723][ T73] netlink_unicast+0x449/0x710 [ 5821.517723][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.517723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.517723][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.517723][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.517723][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.517723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.517723][ T73] [ 5821.519578][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5821.520335][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5821.520335][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.520335][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.520335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.520335][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5821.520335][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5821.520335][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5821.520335][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5821.520335][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5821.520335][ T73] addrconf_dad_begin+0x310/0x670 [ 5821.520335][ T73] addrconf_dad_work+0x10b/0xab0 [ 5821.520335][ T73] process_one_work+0x84d/0x18a0 [ 5821.520335][ T73] worker_thread+0x587/0xd30 [ 5821.520335][ T73] kthread+0x28a/0x350 [ 5821.520335][ T73] ret_from_fork+0x31/0x70 [ 5821.520335][ T73] ret_from_fork_asm+0x1a/0x30 [ 5821.520335][ T73] [ 5821.522235][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5821.522235][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.522235][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.522235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.522235][ T73] ip6_route_add+0x1c/0x140 [ 5821.522235][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5821.522235][ T73] inet6_addr_add+0x4f8/0xa40 [ 5821.522235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.522235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.522235][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.522235][ T73] netlink_unicast+0x449/0x710 [ 5821.522235][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.522235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.522235][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.522235][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.522235][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.522235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.522235][ T73] [ 5821.524297][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5821.524297][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.524297][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.524297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.524297][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5821.524297][ T73] ipv6_add_addr+0x411/0x2000 [ 5821.524297][ T73] inet6_addr_add+0x30e/0xa40 [ 5821.524297][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.524297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.524297][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.524297][ T73] netlink_unicast+0x449/0x710 [ 5821.524297][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.524297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.524297][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.524297][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.524297][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.524297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.524297][ T73] [ 5821.526535][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5821.526535][ T73] netdev_get_by_index+0x5e/0x80 [ 5821.526535][ T73] fib6_nh_init+0x3d8/0x1580 [ 5821.526535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5821.526535][ T73] ip6_route_add+0x1c/0x140 [ 5821.526535][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5821.526535][ T73] addrconf_add_dev+0xe2/0x170 [ 5821.526535][ T73] inet6_addr_add+0x12f/0xa40 [ 5821.526535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.526535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.526535][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.526535][ T73] netlink_unicast+0x449/0x710 [ 5821.526535][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.526535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.526535][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.526535][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.526535][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.526535][ T73] [ 5821.528796][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5821.528796][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5821.528796][ T73] ipv6_find_idev+0x102/0x170 [ 5821.528796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.528796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.528796][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.528796][ T73] netlink_unicast+0x449/0x710 [ 5821.528796][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.528796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.528796][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.528796][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.528796][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.528796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.528796][ T73] [ 5821.530504][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5821.530504][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5821.530504][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5821.530504][ T73] ipv6_find_idev+0x102/0x170 [ 5821.530504][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.530504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.530504][ T73] netlink_rcv_skb+0x130/0x360 [ 5821.530504][ T73] netlink_unicast+0x449/0x710 [ 5821.530504][ T73] netlink_sendmsg+0x723/0xbe0 [ 5821.530504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5821.530504][ T73] ___sys_sendmsg+0xee/0x170 [ 5821.530504][ T73] __sys_sendmsg+0xcd/0x170 [ 5821.530504][ T73] do_syscall_64+0xc6/0x1e0 [ 5821.530504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.530504][ T73] [ 5831.774892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5831.775329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.775329][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5831.775329][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5831.775329][ T73] fib6_nh_init+0xa22/0x1580 [ 5831.775329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.775329][ T73] ip6_route_add+0x1c/0x140 [ 5831.775329][ T73] inet6_rtm_newroute+0x104/0x110 [ 5831.775329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.775329][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.775329][ T73] netlink_unicast+0x449/0x710 [ 5831.775329][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.775329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.775329][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.775329][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.775329][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.775329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.775329][ T73] [ 5831.777220][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.777220][ T73] dst_init+0x84/0x4a0 [ 5831.777220][ T73] dst_alloc+0x97/0x150 [ 5831.777220][ T73] ip6_dst_alloc+0x23/0x90 [ 5831.777220][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5831.777220][ T73] ip6_pol_route+0x56f/0x840 [ 5831.777220][ T73] fib6_rule_lookup+0x456/0x630 [ 5831.777220][ T73] ip6_route_input+0x59c/0xa50 [ 5831.777220][ T73] ipv6_rcv+0x397/0x810 [ 5831.777220][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5831.777220][ T73] process_backlog+0x101/0x620 [ 5831.777220][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5831.777220][ T73] net_rx_action+0x495/0xbe0 [ 5831.777220][ T73] __do_softirq+0x1b5/0x7f6 [ 5831.777220][ T73] [ 5831.778852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.778852][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.778852][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.778852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.778852][ T73] ip6_route_add+0x1c/0x140 [ 5831.778852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5831.778852][ T73] inet6_addr_add+0x4f8/0xa40 [ 5831.778852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.778852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.778852][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.778852][ T73] netlink_unicast+0x449/0x710 [ 5831.778852][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.778852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.778852][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.778852][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.778852][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.778852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.778852][ T73] [ 5831.780815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.780815][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.780815][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.780815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.780815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5831.780815][ T73] ipv6_add_addr+0x411/0x2000 [ 5831.780815][ T73] inet6_addr_add+0x30e/0xa40 [ 5831.780815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.780815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.780815][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.780815][ T73] netlink_unicast+0x449/0x710 [ 5831.780815][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.780815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.780815][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.780815][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.780815][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.780815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.780815][ T73] [ 5831.782829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.782829][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.782829][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.782829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.782829][ T73] ip6_route_add+0x1c/0x140 [ 5831.782829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5831.782829][ T73] addrconf_add_dev+0xe2/0x170 [ 5831.782829][ T73] inet6_addr_add+0x12f/0xa40 [ 5831.782829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.782829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.782829][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.782829][ T73] netlink_unicast+0x449/0x710 [ 5831.782829][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.782829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.782829][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.782829][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.782829][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.782829][ T73] [ 5831.784792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.784792][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5831.784792][ T73] ipv6_find_idev+0x102/0x170 [ 5831.784792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.784792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.784792][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.784792][ T73] netlink_unicast+0x449/0x710 [ 5831.784792][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.784792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.784792][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.784792][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.784792][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.784792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.784792][ T73] [ 5831.786333][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5831.786333][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5831.786333][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5831.786333][ T73] ipv6_find_idev+0x102/0x170 [ 5831.786333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.786333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.786333][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.786333][ T73] netlink_unicast+0x449/0x710 [ 5831.786333][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.786333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.786333][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.786333][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.786333][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.786333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.786333][ T73] [ 5831.788030][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5831.788296][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.788296][ T73] dst_init+0x84/0x4a0 [ 5831.788296][ T73] dst_alloc+0x97/0x150 [ 5831.788296][ T73] ip6_dst_alloc+0x23/0x90 [ 5831.788296][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5831.788296][ T73] ip6_pol_route+0x56f/0x840 [ 5831.788296][ T73] fib6_rule_lookup+0x456/0x630 [ 5831.788296][ T73] ip6_route_input+0x59c/0xa50 [ 5831.788296][ T73] ipv6_rcv+0x397/0x810 [ 5831.788296][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5831.788296][ T73] process_backlog+0x101/0x620 [ 5831.788296][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5831.788296][ T73] net_rx_action+0x495/0xbe0 [ 5831.788296][ T73] __do_softirq+0x1b5/0x7f6 [ 5831.788296][ T73] [ 5831.789938][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.789938][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.789938][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.789938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.789938][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5831.789938][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5831.789938][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5831.789938][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5831.789938][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5831.789938][ T73] addrconf_dad_begin+0x310/0x670 [ 5831.789938][ T73] addrconf_dad_work+0x10b/0xab0 [ 5831.789938][ T73] process_one_work+0x84d/0x18a0 [ 5831.789938][ T73] worker_thread+0x587/0xd30 [ 5831.789938][ T73] kthread+0x28a/0x350 [ 5831.789938][ T73] ret_from_fork+0x31/0x70 [ 5831.789938][ T73] ret_from_fork_asm+0x1a/0x30 [ 5831.789938][ T73] [ 5831.791845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.791845][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.791845][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.791845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.791845][ T73] ip6_route_add+0x1c/0x140 [ 5831.791845][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5831.791845][ T73] inet6_addr_add+0x4f8/0xa40 [ 5831.791845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.791845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.791845][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.791845][ T73] netlink_unicast+0x449/0x710 [ 5831.791845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.791845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.791845][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.791845][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.791845][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.791845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.791845][ T73] [ 5831.793853][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.793853][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.793853][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.793853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.793853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5831.793853][ T73] ipv6_add_addr+0x411/0x2000 [ 5831.793853][ T73] inet6_addr_add+0x30e/0xa40 [ 5831.793853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.793853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.793853][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.793853][ T73] netlink_unicast+0x449/0x710 [ 5831.793853][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.793853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.793853][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.793853][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.793853][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.793853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.793853][ T73] [ 5831.795845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.795845][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.795845][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.795845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.795845][ T73] ip6_route_add+0x1c/0x140 [ 5831.795845][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5831.795845][ T73] addrconf_add_dev+0xe2/0x170 [ 5831.795845][ T73] inet6_addr_add+0x12f/0xa40 [ 5831.795845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.795845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.795845][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.795845][ T73] netlink_unicast+0x449/0x710 [ 5831.795845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.795845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.795845][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.795845][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.795845][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.795845][ T73] [ 5831.797795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.797795][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5831.797795][ T73] ipv6_find_idev+0x102/0x170 [ 5831.797795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.797795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.797795][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.797795][ T73] netlink_unicast+0x449/0x710 [ 5831.797795][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.797795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.797795][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.797795][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.797795][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.797795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.797795][ T73] [ 5831.799328][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5831.799328][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5831.799328][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5831.799328][ T73] ipv6_find_idev+0x102/0x170 [ 5831.799328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.799328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.799328][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.799328][ T73] netlink_unicast+0x449/0x710 [ 5831.799328][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.799328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.799328][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.799328][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.799328][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.799328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.799328][ T73] [ 5831.801068][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5831.801398][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.801398][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5831.801398][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5831.801398][ T73] fib6_nh_init+0xa22/0x1580 [ 5831.801398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.801398][ T73] ip6_route_add+0x1c/0x140 [ 5831.801398][ T73] inet6_rtm_newroute+0x104/0x110 [ 5831.801398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.801398][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.801398][ T73] netlink_unicast+0x449/0x710 [ 5831.801398][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.801398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.801398][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.801398][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.801398][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.801398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.801398][ T73] [ 5831.803452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.803452][ T73] dst_init+0x84/0x4a0 [ 5831.803452][ T73] dst_alloc+0x97/0x150 [ 5831.803452][ T73] ip6_dst_alloc+0x23/0x90 [ 5831.803452][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5831.803452][ T73] ip6_pol_route+0x56f/0x840 [ 5831.803452][ T73] fib6_rule_lookup+0x456/0x630 [ 5831.803452][ T73] ip6_route_input+0x59c/0xa50 [ 5831.803452][ T73] ipv6_rcv+0x397/0x810 [ 5831.803452][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5831.803452][ T73] process_backlog+0x101/0x620 [ 5831.803452][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5831.803452][ T73] net_rx_action+0x495/0xbe0 [ 5831.803452][ T73] __do_softirq+0x1b5/0x7f6 [ 5831.803452][ T73] [ 5831.805268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.805268][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.805268][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.805268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.805268][ T73] ip6_route_add+0x1c/0x140 [ 5831.805268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5831.805268][ T73] inet6_addr_add+0x4f8/0xa40 [ 5831.805268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.805268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.805268][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.805268][ T73] netlink_unicast+0x449/0x710 [ 5831.805268][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.805268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.805268][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.805268][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.805268][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.805268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.805268][ T73] [ 5831.807508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.807508][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.807508][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.807508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.807508][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5831.807508][ T73] ipv6_add_addr+0x411/0x2000 [ 5831.807508][ T73] inet6_addr_add+0x30e/0xa40 [ 5831.807508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.807508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.807508][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.807508][ T73] netlink_unicast+0x449/0x710 [ 5831.807508][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.807508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.807508][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.807508][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.807508][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.807508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.807508][ T73] [ 5831.809681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.809681][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.809681][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.809681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.809681][ T73] ip6_route_add+0x1c/0x140 [ 5831.809681][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5831.809681][ T73] addrconf_add_dev+0xe2/0x170 [ 5831.809681][ T73] inet6_addr_add+0x12f/0xa40 [ 5831.809681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.809681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.809681][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.809681][ T73] netlink_unicast+0x449/0x710 [ 5831.809681][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.809681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.809681][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.809681][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.809681][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.809681][ T73] [ 5831.811936][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.811936][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5831.811936][ T73] ipv6_find_idev+0x102/0x170 [ 5831.811936][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.811936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.811936][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.811936][ T73] netlink_unicast+0x449/0x710 [ 5831.811936][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.811936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.811936][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.811936][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.811936][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.811936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.811936][ T73] [ 5831.813657][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5831.813657][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5831.813657][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5831.813657][ T73] ipv6_find_idev+0x102/0x170 [ 5831.813657][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.813657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.813657][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.813657][ T73] netlink_unicast+0x449/0x710 [ 5831.813657][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.813657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.813657][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.813657][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.813657][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.813657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.813657][ T73] [ 5831.815512][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5831.816270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5831.816270][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.816270][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.816270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.816270][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5831.816270][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5831.816270][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5831.816270][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5831.816270][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5831.816270][ T73] addrconf_dad_begin+0x310/0x670 [ 5831.816270][ T73] addrconf_dad_work+0x10b/0xab0 [ 5831.816270][ T73] process_one_work+0x84d/0x18a0 [ 5831.816270][ T73] worker_thread+0x587/0xd30 [ 5831.816270][ T73] kthread+0x28a/0x350 [ 5831.816270][ T73] ret_from_fork+0x31/0x70 [ 5831.816270][ T73] ret_from_fork_asm+0x1a/0x30 [ 5831.816270][ T73] [ 5831.818179][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5831.818179][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.818179][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.818179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.818179][ T73] ip6_route_add+0x1c/0x140 [ 5831.818179][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5831.818179][ T73] inet6_addr_add+0x4f8/0xa40 [ 5831.818179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.818179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.818179][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.818179][ T73] netlink_unicast+0x449/0x710 [ 5831.818179][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.818179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.818179][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.818179][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.818179][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.818179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.818179][ T73] [ 5831.820230][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5831.820230][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.820230][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.820230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.820230][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5831.820230][ T73] ipv6_add_addr+0x411/0x2000 [ 5831.820230][ T73] inet6_addr_add+0x30e/0xa40 [ 5831.820230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.820230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.820230][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.820230][ T73] netlink_unicast+0x449/0x710 [ 5831.820230][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.820230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.820230][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.820230][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.820230][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.820230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.820230][ T73] [ 5831.822461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5831.822461][ T73] netdev_get_by_index+0x5e/0x80 [ 5831.822461][ T73] fib6_nh_init+0x3d8/0x1580 [ 5831.822461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5831.822461][ T73] ip6_route_add+0x1c/0x140 [ 5831.822461][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5831.822461][ T73] addrconf_add_dev+0xe2/0x170 [ 5831.822461][ T73] inet6_addr_add+0x12f/0xa40 [ 5831.822461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.822461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.822461][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.822461][ T73] netlink_unicast+0x449/0x710 [ 5831.822461][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.822461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.822461][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.822461][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.822461][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.822461][ T73] [ 5831.824732][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5831.824732][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5831.824732][ T73] ipv6_find_idev+0x102/0x170 [ 5831.824732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.824732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.824732][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.824732][ T73] netlink_unicast+0x449/0x710 [ 5831.824732][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.824732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.824732][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.824732][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.824732][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.824732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.824732][ T73] [ 5831.826446][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5831.826446][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5831.826446][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5831.826446][ T73] ipv6_find_idev+0x102/0x170 [ 5831.826446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.826446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.826446][ T73] netlink_rcv_skb+0x130/0x360 [ 5831.826446][ T73] netlink_unicast+0x449/0x710 [ 5831.826446][ T73] netlink_sendmsg+0x723/0xbe0 [ 5831.826446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5831.826446][ T73] ___sys_sendmsg+0xee/0x170 [ 5831.826446][ T73] __sys_sendmsg+0xcd/0x170 [ 5831.826446][ T73] do_syscall_64+0xc6/0x1e0 [ 5831.826446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.826446][ T73] [ 5841.958896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5841.959379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.959379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5841.959379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5841.959379][ T73] fib6_nh_init+0xa22/0x1580 [ 5841.959379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.959379][ T73] ip6_route_add+0x1c/0x140 [ 5841.959379][ T73] inet6_rtm_newroute+0x104/0x110 [ 5841.959379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.959379][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.959379][ T73] netlink_unicast+0x449/0x710 [ 5841.959379][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.959379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.959379][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.959379][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.959379][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.959379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.959379][ T73] [ 5841.961325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.961325][ T73] dst_init+0x84/0x4a0 [ 5841.961325][ T73] dst_alloc+0x97/0x150 [ 5841.961325][ T73] ip6_dst_alloc+0x23/0x90 [ 5841.961325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5841.961325][ T73] ip6_pol_route+0x56f/0x840 [ 5841.961325][ T73] fib6_rule_lookup+0x456/0x630 [ 5841.961325][ T73] ip6_route_input+0x59c/0xa50 [ 5841.961325][ T73] ipv6_rcv+0x397/0x810 [ 5841.961325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5841.961325][ T73] process_backlog+0x101/0x620 [ 5841.961325][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5841.961325][ T73] net_rx_action+0x495/0xbe0 [ 5841.961325][ T73] __do_softirq+0x1b5/0x7f6 [ 5841.961325][ T73] [ 5841.962998][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.962998][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.962998][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.962998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.962998][ T73] ip6_route_add+0x1c/0x140 [ 5841.962998][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5841.962998][ T73] inet6_addr_add+0x4f8/0xa40 [ 5841.962998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.962998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.962998][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.962998][ T73] netlink_unicast+0x449/0x710 [ 5841.962998][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.962998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.962998][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.962998][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.962998][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.962998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.962998][ T73] [ 5841.965013][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.965013][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.965013][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.965013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.965013][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5841.965013][ T73] ipv6_add_addr+0x411/0x2000 [ 5841.965013][ T73] inet6_addr_add+0x30e/0xa40 [ 5841.965013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.965013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.965013][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.965013][ T73] netlink_unicast+0x449/0x710 [ 5841.965013][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.965013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.965013][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.965013][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.965013][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.965013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.965013][ T73] [ 5841.967052][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.967052][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.967052][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.967052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.967052][ T73] ip6_route_add+0x1c/0x140 [ 5841.967052][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5841.967052][ T73] addrconf_add_dev+0xe2/0x170 [ 5841.967052][ T73] inet6_addr_add+0x12f/0xa40 [ 5841.967052][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.967052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.967052][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.967052][ T73] netlink_unicast+0x449/0x710 [ 5841.967052][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.967052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.967052][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.967052][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.967052][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.967052][ T73] [ 5841.969047][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.969047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5841.969047][ T73] ipv6_find_idev+0x102/0x170 [ 5841.969047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.969047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.969047][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.969047][ T73] netlink_unicast+0x449/0x710 [ 5841.969047][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.969047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.969047][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.969047][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.969047][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.969047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.969047][ T73] [ 5841.970585][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5841.970585][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5841.970585][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5841.970585][ T73] ipv6_find_idev+0x102/0x170 [ 5841.970585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.970585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.970585][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.970585][ T73] netlink_unicast+0x449/0x710 [ 5841.970585][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.970585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.970585][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.970585][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.970585][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.970585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.970585][ T73] [ 5841.972297][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5841.972567][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.972567][ T73] dst_init+0x84/0x4a0 [ 5841.972567][ T73] dst_alloc+0x97/0x150 [ 5841.972567][ T73] ip6_dst_alloc+0x23/0x90 [ 5841.972567][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5841.972567][ T73] ip6_pol_route+0x56f/0x840 [ 5841.972567][ T73] fib6_rule_lookup+0x456/0x630 [ 5841.972567][ T73] ip6_route_input+0x59c/0xa50 [ 5841.972567][ T73] ipv6_rcv+0x397/0x810 [ 5841.972567][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5841.972567][ T73] process_backlog+0x101/0x620 [ 5841.972567][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5841.972567][ T73] net_rx_action+0x495/0xbe0 [ 5841.972567][ T73] __do_softirq+0x1b5/0x7f6 [ 5841.972567][ T73] [ 5841.974259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.974259][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.974259][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.974259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.974259][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5841.974259][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5841.974259][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5841.974259][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5841.974259][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5841.974259][ T73] addrconf_dad_begin+0x310/0x670 [ 5841.974259][ T73] addrconf_dad_work+0x10b/0xab0 [ 5841.974259][ T73] process_one_work+0x84d/0x18a0 [ 5841.974259][ T73] worker_thread+0x587/0xd30 [ 5841.974259][ T73] kthread+0x28a/0x350 [ 5841.974259][ T73] ret_from_fork+0x31/0x70 [ 5841.974259][ T73] ret_from_fork_asm+0x1a/0x30 [ 5841.974259][ T73] [ 5841.976180][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.976180][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.976180][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.976180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.976180][ T73] ip6_route_add+0x1c/0x140 [ 5841.976180][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5841.976180][ T73] inet6_addr_add+0x4f8/0xa40 [ 5841.976180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.976180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.976180][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.976180][ T73] netlink_unicast+0x449/0x710 [ 5841.976180][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.976180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.976180][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.976180][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.976180][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.976180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.976180][ T73] [ 5841.978199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.978199][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.978199][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.978199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.978199][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5841.978199][ T73] ipv6_add_addr+0x411/0x2000 [ 5841.978199][ T73] inet6_addr_add+0x30e/0xa40 [ 5841.978199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.978199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.978199][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.978199][ T73] netlink_unicast+0x449/0x710 [ 5841.978199][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.978199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.978199][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.978199][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.978199][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.978199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.978199][ T73] [ 5841.980228][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.980228][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.980228][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.980228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.980228][ T73] ip6_route_add+0x1c/0x140 [ 5841.980228][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5841.980228][ T73] addrconf_add_dev+0xe2/0x170 [ 5841.980228][ T73] inet6_addr_add+0x12f/0xa40 [ 5841.980228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.980228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.980228][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.980228][ T73] netlink_unicast+0x449/0x710 [ 5841.980228][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.980228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.980228][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.980228][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.980228][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.980228][ T73] [ 5841.982181][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.982181][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5841.982181][ T73] ipv6_find_idev+0x102/0x170 [ 5841.982181][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.982181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.982181][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.982181][ T73] netlink_unicast+0x449/0x710 [ 5841.982181][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.982181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.982181][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.982181][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.982181][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.982181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.982181][ T73] [ 5841.983749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5841.983749][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5841.983749][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5841.983749][ T73] ipv6_find_idev+0x102/0x170 [ 5841.983749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.983749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.983749][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.983749][ T73] netlink_unicast+0x449/0x710 [ 5841.983749][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.983749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.983749][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.983749][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.983749][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.983749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.983749][ T73] [ 5841.985589][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5841.985929][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.985929][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5841.985929][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5841.985929][ T73] fib6_nh_init+0xa22/0x1580 [ 5841.985929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.985929][ T73] ip6_route_add+0x1c/0x140 [ 5841.985929][ T73] inet6_rtm_newroute+0x104/0x110 [ 5841.985929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.985929][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.985929][ T73] netlink_unicast+0x449/0x710 [ 5841.985929][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.985929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.985929][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.985929][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.985929][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.985929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.985929][ T73] [ 5841.988054][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.988054][ T73] dst_init+0x84/0x4a0 [ 5841.988054][ T73] dst_alloc+0x97/0x150 [ 5841.988054][ T73] ip6_dst_alloc+0x23/0x90 [ 5841.988054][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5841.988054][ T73] ip6_pol_route+0x56f/0x840 [ 5841.988054][ T73] fib6_rule_lookup+0x456/0x630 [ 5841.988054][ T73] ip6_route_input+0x59c/0xa50 [ 5841.988054][ T73] ipv6_rcv+0x397/0x810 [ 5841.988054][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5841.988054][ T73] process_backlog+0x101/0x620 [ 5841.988054][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5841.988054][ T73] net_rx_action+0x495/0xbe0 [ 5841.988054][ T73] __do_softirq+0x1b5/0x7f6 [ 5841.988054][ T73] [ 5841.989876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.989876][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.989876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.989876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.989876][ T73] ip6_route_add+0x1c/0x140 [ 5841.989876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5841.989876][ T73] inet6_addr_add+0x4f8/0xa40 [ 5841.989876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.989876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.989876][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.989876][ T73] netlink_unicast+0x449/0x710 [ 5841.989876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.989876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.989876][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.989876][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.989876][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.989876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.989876][ T73] [ 5841.992120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.992120][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.992120][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.992120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.992120][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5841.992120][ T73] ipv6_add_addr+0x411/0x2000 [ 5841.992120][ T73] inet6_addr_add+0x30e/0xa40 [ 5841.992120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.992120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.992120][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.992120][ T73] netlink_unicast+0x449/0x710 [ 5841.992120][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.992120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.992120][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.992120][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.992120][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.992120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.992120][ T73] [ 5841.994370][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.994370][ T73] netdev_get_by_index+0x5e/0x80 [ 5841.994370][ T73] fib6_nh_init+0x3d8/0x1580 [ 5841.994370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5841.994370][ T73] ip6_route_add+0x1c/0x140 [ 5841.994370][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5841.994370][ T73] addrconf_add_dev+0xe2/0x170 [ 5841.994370][ T73] inet6_addr_add+0x12f/0xa40 [ 5841.994370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.994370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.994370][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.994370][ T73] netlink_unicast+0x449/0x710 [ 5841.994370][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.994370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.994370][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.994370][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.994370][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.994370][ T73] [ 5841.996641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.996641][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5841.996641][ T73] ipv6_find_idev+0x102/0x170 [ 5841.996641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.996641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.996641][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.996641][ T73] netlink_unicast+0x449/0x710 [ 5841.996641][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.996641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.996641][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.996641][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.996641][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.996641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.996641][ T73] [ 5841.998373][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5841.998373][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5841.998373][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5841.998373][ T73] ipv6_find_idev+0x102/0x170 [ 5841.998373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.998373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.998373][ T73] netlink_rcv_skb+0x130/0x360 [ 5841.998373][ T73] netlink_unicast+0x449/0x710 [ 5841.998373][ T73] netlink_sendmsg+0x723/0xbe0 [ 5841.998373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5841.998373][ T73] ___sys_sendmsg+0xee/0x170 [ 5841.998373][ T73] __sys_sendmsg+0xcd/0x170 [ 5841.998373][ T73] do_syscall_64+0xc6/0x1e0 [ 5841.998373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.998373][ T73] [ 5842.000242][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5842.000519][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5842.000519][ T73] netdev_get_by_index+0x5e/0x80 [ 5842.000519][ T73] fib6_nh_init+0x3d8/0x1580 [ 5842.000519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5842.000519][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5842.000519][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5842.000519][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5842.000519][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5842.000519][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5842.000519][ T73] addrconf_dad_begin+0x310/0x670 [ 5842.000519][ T73] addrconf_dad_work+0x10b/0xab0 [ 5842.000519][ T73] process_one_work+0x84d/0x18a0 [ 5842.000519][ T73] worker_thread+0x587/0xd30 [ 5842.000519][ T73] kthread+0x28a/0x350 [ 5842.000519][ T73] ret_from_fork+0x31/0x70 [ 5842.000519][ T73] ret_from_fork_asm+0x1a/0x30 [ 5842.000519][ T73] [ 5842.002650][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5842.002650][ T73] netdev_get_by_index+0x5e/0x80 [ 5842.002650][ T73] fib6_nh_init+0x3d8/0x1580 [ 5842.002650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5842.002650][ T73] ip6_route_add+0x1c/0x140 [ 5842.002650][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5842.002650][ T73] inet6_addr_add+0x4f8/0xa40 [ 5842.002650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5842.002650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.002650][ T73] netlink_rcv_skb+0x130/0x360 [ 5842.002650][ T73] netlink_unicast+0x449/0x710 [ 5842.002650][ T73] netlink_sendmsg+0x723/0xbe0 [ 5842.002650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5842.002650][ T73] ___sys_sendmsg+0xee/0x170 [ 5842.002650][ T73] __sys_sendmsg+0xcd/0x170 [ 5842.002650][ T73] do_syscall_64+0xc6/0x1e0 [ 5842.002650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.002650][ T73] [ 5842.004888][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5842.004888][ T73] netdev_get_by_index+0x5e/0x80 [ 5842.004888][ T73] fib6_nh_init+0x3d8/0x1580 [ 5842.004888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5842.004888][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5842.004888][ T73] ipv6_add_addr+0x411/0x2000 [ 5842.004888][ T73] inet6_addr_add+0x30e/0xa40 [ 5842.004888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5842.004888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.004888][ T73] netlink_rcv_skb+0x130/0x360 [ 5842.004888][ T73] netlink_unicast+0x449/0x710 [ 5842.004888][ T73] netlink_sendmsg+0x723/0xbe0 [ 5842.004888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5842.004888][ T73] ___sys_sendmsg+0xee/0x170 [ 5842.004888][ T73] __sys_sendmsg+0xcd/0x170 [ 5842.004888][ T73] do_syscall_64+0xc6/0x1e0 [ 5842.004888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.004888][ T73] [ 5842.007213][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5842.007213][ T73] netdev_get_by_index+0x5e/0x80 [ 5842.007213][ T73] fib6_nh_init+0x3d8/0x1580 [ 5842.007213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5842.007213][ T73] ip6_route_add+0x1c/0x140 [ 5842.007213][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5842.007213][ T73] addrconf_add_dev+0xe2/0x170 [ 5842.007213][ T73] inet6_addr_add+0x12f/0xa40 [ 5842.007213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5842.007213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.007213][ T73] netlink_rcv_skb+0x130/0x360 [ 5842.007213][ T73] netlink_unicast+0x449/0x710 [ 5842.007213][ T73] netlink_sendmsg+0x723/0xbe0 [ 5842.007213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5842.007213][ T73] ___sys_sendmsg+0xee/0x170 [ 5842.007213][ T73] __sys_sendmsg+0xcd/0x170 [ 5842.007213][ T73] do_syscall_64+0xc6/0x1e0 [ 5842.007213][ T73] [ 5842.009359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5842.009359][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5842.009359][ T73] ipv6_find_idev+0x102/0x170 [ 5842.009359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5842.009359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.009359][ T73] netlink_rcv_skb+0x130/0x360 [ 5842.009359][ T73] netlink_unicast+0x449/0x710 [ 5842.009359][ T73] netlink_sendmsg+0x723/0xbe0 [ 5842.009359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5842.009359][ T73] ___sys_sendmsg+0xee/0x170 [ 5842.009359][ T73] __sys_sendmsg+0xcd/0x170 [ 5842.009359][ T73] do_syscall_64+0xc6/0x1e0 [ 5842.009359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.009359][ T73] [ 5842.011086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5842.011086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5842.011086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5842.011086][ T73] ipv6_find_idev+0x102/0x170 [ 5842.011086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5842.011086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.011086][ T73] netlink_rcv_skb+0x130/0x360 [ 5842.011086][ T73] netlink_unicast+0x449/0x710 [ 5842.011086][ T73] netlink_sendmsg+0x723/0xbe0 [ 5842.011086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5842.011086][ T73] ___sys_sendmsg+0xee/0x170 [ 5842.011086][ T73] __sys_sendmsg+0xcd/0x170 [ 5842.011086][ T73] do_syscall_64+0xc6/0x1e0 [ 5842.011086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.011086][ T73] [ 5852.254934][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5852.255407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.255407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5852.255407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5852.255407][ T73] fib6_nh_init+0xa22/0x1580 [ 5852.255407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.255407][ T73] ip6_route_add+0x1c/0x140 [ 5852.255407][ T73] inet6_rtm_newroute+0x104/0x110 [ 5852.255407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.255407][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.255407][ T73] netlink_unicast+0x449/0x710 [ 5852.255407][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.255407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.255407][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.255407][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.255407][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.255407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.255407][ T73] [ 5852.257317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.257317][ T73] dst_init+0x84/0x4a0 [ 5852.257317][ T73] dst_alloc+0x97/0x150 [ 5852.257317][ T73] ip6_dst_alloc+0x23/0x90 [ 5852.257317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5852.257317][ T73] ip6_pol_route+0x56f/0x840 [ 5852.257317][ T73] fib6_rule_lookup+0x456/0x630 [ 5852.257317][ T73] ip6_route_input+0x59c/0xa50 [ 5852.257317][ T73] ipv6_rcv+0x397/0x810 [ 5852.257317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5852.257317][ T73] process_backlog+0x101/0x620 [ 5852.257317][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5852.257317][ T73] net_rx_action+0x495/0xbe0 [ 5852.257317][ T73] __do_softirq+0x1b5/0x7f6 [ 5852.257317][ T73] [ 5852.258969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.258969][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.258969][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.258969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.258969][ T73] ip6_route_add+0x1c/0x140 [ 5852.258969][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5852.258969][ T73] inet6_addr_add+0x4f8/0xa40 [ 5852.258969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.258969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.258969][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.258969][ T73] netlink_unicast+0x449/0x710 [ 5852.258969][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.258969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.258969][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.258969][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.258969][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.258969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.258969][ T73] [ 5852.260988][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.260988][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.260988][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.260988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.260988][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5852.260988][ T73] ipv6_add_addr+0x411/0x2000 [ 5852.260988][ T73] inet6_addr_add+0x30e/0xa40 [ 5852.260988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.260988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.260988][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.260988][ T73] netlink_unicast+0x449/0x710 [ 5852.260988][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.260988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.260988][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.260988][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.260988][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.260988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.260988][ T73] [ 5852.262997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.262997][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.262997][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.262997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.262997][ T73] ip6_route_add+0x1c/0x140 [ 5852.262997][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5852.262997][ T73] addrconf_add_dev+0xe2/0x170 [ 5852.262997][ T73] inet6_addr_add+0x12f/0xa40 [ 5852.262997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.262997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.262997][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.262997][ T73] netlink_unicast+0x449/0x710 [ 5852.262997][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.262997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.262997][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.262997][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.262997][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.262997][ T73] [ 5852.265009][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.265009][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5852.265009][ T73] ipv6_find_idev+0x102/0x170 [ 5852.265009][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.265009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.265009][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.265009][ T73] netlink_unicast+0x449/0x710 [ 5852.265009][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.265009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.265009][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.265009][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.265009][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.265009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.265009][ T73] [ 5852.266558][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5852.266558][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5852.266558][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5852.266558][ T73] ipv6_find_idev+0x102/0x170 [ 5852.266558][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.266558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.266558][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.266558][ T73] netlink_unicast+0x449/0x710 [ 5852.266558][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.266558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.266558][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.266558][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.266558][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.266558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.266558][ T73] [ 5852.268275][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5852.268547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.268547][ T73] dst_init+0x84/0x4a0 [ 5852.268547][ T73] dst_alloc+0x97/0x150 [ 5852.268547][ T73] ip6_dst_alloc+0x23/0x90 [ 5852.268547][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5852.268547][ T73] ip6_pol_route+0x56f/0x840 [ 5852.268547][ T73] fib6_rule_lookup+0x456/0x630 [ 5852.268547][ T73] ip6_route_input+0x59c/0xa50 [ 5852.268547][ T73] ipv6_rcv+0x397/0x810 [ 5852.268547][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5852.268547][ T73] process_backlog+0x101/0x620 [ 5852.268547][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5852.268547][ T73] net_rx_action+0x495/0xbe0 [ 5852.268547][ T73] __do_softirq+0x1b5/0x7f6 [ 5852.268547][ T73] [ 5852.270211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.270211][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.270211][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.270211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.270211][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5852.270211][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5852.270211][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5852.270211][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5852.270211][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5852.270211][ T73] addrconf_dad_begin+0x310/0x670 [ 5852.270211][ T73] addrconf_dad_work+0x10b/0xab0 [ 5852.270211][ T73] process_one_work+0x84d/0x18a0 [ 5852.270211][ T73] worker_thread+0x587/0xd30 [ 5852.270211][ T73] kthread+0x28a/0x350 [ 5852.270211][ T73] ret_from_fork+0x31/0x70 [ 5852.270211][ T73] ret_from_fork_asm+0x1a/0x30 [ 5852.270211][ T73] [ 5852.272125][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.272125][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.272125][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.272125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.272125][ T73] ip6_route_add+0x1c/0x140 [ 5852.272125][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5852.272125][ T73] inet6_addr_add+0x4f8/0xa40 [ 5852.272125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.272125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.272125][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.272125][ T73] netlink_unicast+0x449/0x710 [ 5852.272125][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.272125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.272125][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.272125][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.272125][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.272125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.272125][ T73] [ 5852.274155][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.274155][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.274155][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.274155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.274155][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5852.274155][ T73] ipv6_add_addr+0x411/0x2000 [ 5852.274155][ T73] inet6_addr_add+0x30e/0xa40 [ 5852.274155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.274155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.274155][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.274155][ T73] netlink_unicast+0x449/0x710 [ 5852.274155][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.274155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.274155][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.274155][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.274155][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.274155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.274155][ T73] [ 5852.276165][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.276165][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.276165][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.276165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.276165][ T73] ip6_route_add+0x1c/0x140 [ 5852.276165][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5852.276165][ T73] addrconf_add_dev+0xe2/0x170 [ 5852.276165][ T73] inet6_addr_add+0x12f/0xa40 [ 5852.276165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.276165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.276165][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.276165][ T73] netlink_unicast+0x449/0x710 [ 5852.276165][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.276165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.276165][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.276165][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.276165][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.276165][ T73] [ 5852.278139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.278139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5852.278139][ T73] ipv6_find_idev+0x102/0x170 [ 5852.278139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.278139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.278139][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.278139][ T73] netlink_unicast+0x449/0x710 [ 5852.278139][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.278139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.278139][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.278139][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.278139][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.278139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.278139][ T73] [ 5852.279687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5852.279687][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5852.279687][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5852.279687][ T73] ipv6_find_idev+0x102/0x170 [ 5852.279687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.279687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.279687][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.279687][ T73] netlink_unicast+0x449/0x710 [ 5852.279687][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.279687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.279687][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.279687][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.279687][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.279687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.279687][ T73] [ 5852.281509][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5852.281849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.281849][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5852.281849][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5852.281849][ T73] fib6_nh_init+0xa22/0x1580 [ 5852.281849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.281849][ T73] ip6_route_add+0x1c/0x140 [ 5852.281849][ T73] inet6_rtm_newroute+0x104/0x110 [ 5852.281849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.281849][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.281849][ T73] netlink_unicast+0x449/0x710 [ 5852.281849][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.281849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.281849][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.281849][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.281849][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.281849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.281849][ T73] [ 5852.283928][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.283928][ T73] dst_init+0x84/0x4a0 [ 5852.283928][ T73] dst_alloc+0x97/0x150 [ 5852.283928][ T73] ip6_dst_alloc+0x23/0x90 [ 5852.283928][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5852.283928][ T73] ip6_pol_route+0x56f/0x840 [ 5852.283928][ T73] fib6_rule_lookup+0x456/0x630 [ 5852.283928][ T73] ip6_route_input+0x59c/0xa50 [ 5852.283928][ T73] ipv6_rcv+0x397/0x810 [ 5852.283928][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5852.283928][ T73] process_backlog+0x101/0x620 [ 5852.283928][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5852.283928][ T73] net_rx_action+0x495/0xbe0 [ 5852.283928][ T73] __do_softirq+0x1b5/0x7f6 [ 5852.283928][ T73] [ 5852.285753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.285753][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.285753][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.285753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.285753][ T73] ip6_route_add+0x1c/0x140 [ 5852.285753][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5852.285753][ T73] inet6_addr_add+0x4f8/0xa40 [ 5852.285753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.285753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.285753][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.285753][ T73] netlink_unicast+0x449/0x710 [ 5852.285753][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.285753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.285753][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.285753][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.285753][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.285753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.285753][ T73] [ 5852.288079][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.288079][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.288079][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.288079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.288079][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5852.288079][ T73] ipv6_add_addr+0x411/0x2000 [ 5852.288079][ T73] inet6_addr_add+0x30e/0xa40 [ 5852.288079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.288079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.288079][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.288079][ T73] netlink_unicast+0x449/0x710 [ 5852.288079][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.288079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.288079][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.288079][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.288079][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.288079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.288079][ T73] [ 5852.290344][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.290344][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.290344][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.290344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.290344][ T73] ip6_route_add+0x1c/0x140 [ 5852.290344][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5852.290344][ T73] addrconf_add_dev+0xe2/0x170 [ 5852.290344][ T73] inet6_addr_add+0x12f/0xa40 [ 5852.290344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.290344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.290344][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.290344][ T73] netlink_unicast+0x449/0x710 [ 5852.290344][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.290344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.290344][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.290344][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.290344][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.290344][ T73] [ 5852.292563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.292563][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5852.292563][ T73] ipv6_find_idev+0x102/0x170 [ 5852.292563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.292563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.292563][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.292563][ T73] netlink_unicast+0x449/0x710 [ 5852.292563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.292563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.292563][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.292563][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.292563][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.292563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.292563][ T73] [ 5852.294295][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5852.294295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5852.294295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5852.294295][ T73] ipv6_find_idev+0x102/0x170 [ 5852.294295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.294295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.294295][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.294295][ T73] netlink_unicast+0x449/0x710 [ 5852.294295][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.294295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.294295][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.294295][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.294295][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.294295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.294295][ T73] [ 5852.296232][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5852.296505][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5852.296505][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.296505][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.296505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.296505][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5852.296505][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5852.296505][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5852.296505][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5852.296505][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5852.296505][ T73] addrconf_dad_begin+0x310/0x670 [ 5852.296505][ T73] addrconf_dad_work+0x10b/0xab0 [ 5852.296505][ T73] process_one_work+0x84d/0x18a0 [ 5852.296505][ T73] worker_thread+0x587/0xd30 [ 5852.296505][ T73] kthread+0x28a/0x350 [ 5852.296505][ T73] ret_from_fork+0x31/0x70 [ 5852.296505][ T73] ret_from_fork_asm+0x1a/0x30 [ 5852.296505][ T73] [ 5852.298665][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5852.298665][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.298665][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.298665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.298665][ T73] ip6_route_add+0x1c/0x140 [ 5852.298665][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5852.298665][ T73] inet6_addr_add+0x4f8/0xa40 [ 5852.298665][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.298665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.298665][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.298665][ T73] netlink_unicast+0x449/0x710 [ 5852.298665][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.298665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.298665][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.298665][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.298665][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.298665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.298665][ T73] [ 5852.300926][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5852.300926][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.300926][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.300926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.300926][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5852.300926][ T73] ipv6_add_addr+0x411/0x2000 [ 5852.300926][ T73] inet6_addr_add+0x30e/0xa40 [ 5852.300926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.300926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.300926][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.300926][ T73] netlink_unicast+0x449/0x710 [ 5852.300926][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.300926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.300926][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.300926][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.300926][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.300926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.300926][ T73] [ 5852.303183][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5852.303183][ T73] netdev_get_by_index+0x5e/0x80 [ 5852.303183][ T73] fib6_nh_init+0x3d8/0x1580 [ 5852.303183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5852.303183][ T73] ip6_route_add+0x1c/0x140 [ 5852.303183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5852.303183][ T73] addrconf_add_dev+0xe2/0x170 [ 5852.303183][ T73] inet6_addr_add+0x12f/0xa40 [ 5852.303183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.303183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.303183][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.303183][ T73] netlink_unicast+0x449/0x710 [ 5852.303183][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.303183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.303183][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.303183][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.303183][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.303183][ T73] [ 5852.305359][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5852.305359][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5852.305359][ T73] ipv6_find_idev+0x102/0x170 [ 5852.305359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.305359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.305359][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.305359][ T73] netlink_unicast+0x449/0x710 [ 5852.305359][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.305359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.305359][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.305359][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.305359][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.305359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.305359][ T73] [ 5852.307141][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5852.307141][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5852.307141][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5852.307141][ T73] ipv6_find_idev+0x102/0x170 [ 5852.307141][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.307141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.307141][ T73] netlink_rcv_skb+0x130/0x360 [ 5852.307141][ T73] netlink_unicast+0x449/0x710 [ 5852.307141][ T73] netlink_sendmsg+0x723/0xbe0 [ 5852.307141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5852.307141][ T73] ___sys_sendmsg+0xee/0x170 [ 5852.307141][ T73] __sys_sendmsg+0xcd/0x170 [ 5852.307141][ T73] do_syscall_64+0xc6/0x1e0 [ 5852.307141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.307141][ T73] [ 5862.558909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5862.559370][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.559370][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5862.559370][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5862.559370][ T73] fib6_nh_init+0xa22/0x1580 [ 5862.559370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.559370][ T73] ip6_route_add+0x1c/0x140 [ 5862.559370][ T73] inet6_rtm_newroute+0x104/0x110 [ 5862.559370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.559370][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.559370][ T73] netlink_unicast+0x449/0x710 [ 5862.559370][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.559370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.559370][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.559370][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.559370][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.559370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.559370][ T73] [ 5862.561260][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.561260][ T73] dst_init+0x84/0x4a0 [ 5862.561260][ T73] dst_alloc+0x97/0x150 [ 5862.561260][ T73] ip6_dst_alloc+0x23/0x90 [ 5862.561260][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5862.561260][ T73] ip6_pol_route+0x56f/0x840 [ 5862.561260][ T73] fib6_rule_lookup+0x456/0x630 [ 5862.561260][ T73] ip6_route_input+0x59c/0xa50 [ 5862.561260][ T73] ipv6_rcv+0x397/0x810 [ 5862.561260][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5862.561260][ T73] process_backlog+0x101/0x620 [ 5862.561260][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5862.561260][ T73] net_rx_action+0x495/0xbe0 [ 5862.561260][ T73] __do_softirq+0x1b5/0x7f6 [ 5862.561260][ T73] [ 5862.562872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.562872][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.562872][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.562872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.562872][ T73] ip6_route_add+0x1c/0x140 [ 5862.562872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5862.562872][ T73] inet6_addr_add+0x4f8/0xa40 [ 5862.562872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.562872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.562872][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.562872][ T73] netlink_unicast+0x449/0x710 [ 5862.562872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.562872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.562872][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.562872][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.562872][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.562872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.562872][ T73] [ 5862.564849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.564849][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.564849][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.564849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.564849][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5862.564849][ T73] ipv6_add_addr+0x411/0x2000 [ 5862.564849][ T73] inet6_addr_add+0x30e/0xa40 [ 5862.564849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.564849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.564849][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.564849][ T73] netlink_unicast+0x449/0x710 [ 5862.564849][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.564849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.564849][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.564849][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.564849][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.564849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.564849][ T73] [ 5862.566848][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.566848][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.566848][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.566848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.566848][ T73] ip6_route_add+0x1c/0x140 [ 5862.566848][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5862.566848][ T73] addrconf_add_dev+0xe2/0x170 [ 5862.566848][ T73] inet6_addr_add+0x12f/0xa40 [ 5862.566848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.566848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.566848][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.566848][ T73] netlink_unicast+0x449/0x710 [ 5862.566848][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.566848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.566848][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.566848][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.566848][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.566848][ T73] [ 5862.568787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.568787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5862.568787][ T73] ipv6_find_idev+0x102/0x170 [ 5862.568787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.568787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.568787][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.568787][ T73] netlink_unicast+0x449/0x710 [ 5862.568787][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.568787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.568787][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.568787][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.568787][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.568787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.568787][ T73] [ 5862.570352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5862.570352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5862.570352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5862.570352][ T73] ipv6_find_idev+0x102/0x170 [ 5862.570352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.570352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.570352][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.570352][ T73] netlink_unicast+0x449/0x710 [ 5862.570352][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.570352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.570352][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.570352][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.570352][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.570352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.570352][ T73] [ 5862.572052][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5862.572333][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.572333][ T73] dst_init+0x84/0x4a0 [ 5862.572333][ T73] dst_alloc+0x97/0x150 [ 5862.572333][ T73] ip6_dst_alloc+0x23/0x90 [ 5862.572333][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5862.572333][ T73] ip6_pol_route+0x56f/0x840 [ 5862.572333][ T73] fib6_rule_lookup+0x456/0x630 [ 5862.572333][ T73] ip6_route_input+0x59c/0xa50 [ 5862.572333][ T73] ipv6_rcv+0x397/0x810 [ 5862.572333][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5862.572333][ T73] process_backlog+0x101/0x620 [ 5862.572333][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5862.572333][ T73] net_rx_action+0x495/0xbe0 [ 5862.572333][ T73] __do_softirq+0x1b5/0x7f6 [ 5862.572333][ T73] [ 5862.573992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.573992][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.573992][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.573992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.573992][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5862.573992][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5862.573992][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5862.573992][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5862.573992][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5862.573992][ T73] addrconf_dad_begin+0x310/0x670 [ 5862.573992][ T73] addrconf_dad_work+0x10b/0xab0 [ 5862.573992][ T73] process_one_work+0x84d/0x18a0 [ 5862.573992][ T73] worker_thread+0x587/0xd30 [ 5862.573992][ T73] kthread+0x28a/0x350 [ 5862.573992][ T73] ret_from_fork+0x31/0x70 [ 5862.573992][ T73] ret_from_fork_asm+0x1a/0x30 [ 5862.573992][ T73] [ 5862.575900][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.575900][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.575900][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.575900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.575900][ T73] ip6_route_add+0x1c/0x140 [ 5862.575900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5862.575900][ T73] inet6_addr_add+0x4f8/0xa40 [ 5862.575900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.575900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.575900][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.575900][ T73] netlink_unicast+0x449/0x710 [ 5862.575900][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.575900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.575900][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.575900][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.575900][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.575900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.575900][ T73] [ 5862.577865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.577865][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.577865][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.577865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.577865][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5862.577865][ T73] ipv6_add_addr+0x411/0x2000 [ 5862.577865][ T73] inet6_addr_add+0x30e/0xa40 [ 5862.577865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.577865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.577865][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.577865][ T73] netlink_unicast+0x449/0x710 [ 5862.577865][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.577865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.577865][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.577865][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.577865][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.577865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.577865][ T73] [ 5862.579888][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.579888][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.579888][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.579888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.579888][ T73] ip6_route_add+0x1c/0x140 [ 5862.579888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5862.579888][ T73] addrconf_add_dev+0xe2/0x170 [ 5862.579888][ T73] inet6_addr_add+0x12f/0xa40 [ 5862.579888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.579888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.579888][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.579888][ T73] netlink_unicast+0x449/0x710 [ 5862.579888][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.579888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.579888][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.579888][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.579888][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.579888][ T73] [ 5862.581845][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.581845][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5862.581845][ T73] ipv6_find_idev+0x102/0x170 [ 5862.581845][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.581845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.581845][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.581845][ T73] netlink_unicast+0x449/0x710 [ 5862.581845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.581845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.581845][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.581845][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.581845][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.581845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.581845][ T73] [ 5862.583373][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5862.583373][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5862.583373][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5862.583373][ T73] ipv6_find_idev+0x102/0x170 [ 5862.583373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.583373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.583373][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.583373][ T73] netlink_unicast+0x449/0x710 [ 5862.583373][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.583373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.583373][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.583373][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.583373][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.583373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.583373][ T73] [ 5862.585559][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5862.585893][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.585893][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5862.585893][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5862.585893][ T73] fib6_nh_init+0xa22/0x1580 [ 5862.585893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.585893][ T73] ip6_route_add+0x1c/0x140 [ 5862.585893][ T73] inet6_rtm_newroute+0x104/0x110 [ 5862.585893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.585893][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.585893][ T73] netlink_unicast+0x449/0x710 [ 5862.585893][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.585893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.585893][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.585893][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.585893][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.585893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.585893][ T73] [ 5862.587962][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.587962][ T73] dst_init+0x84/0x4a0 [ 5862.587962][ T73] dst_alloc+0x97/0x150 [ 5862.587962][ T73] ip6_dst_alloc+0x23/0x90 [ 5862.587962][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5862.587962][ T73] ip6_pol_route+0x56f/0x840 [ 5862.587962][ T73] fib6_rule_lookup+0x456/0x630 [ 5862.587962][ T73] ip6_route_input+0x59c/0xa50 [ 5862.587962][ T73] ipv6_rcv+0x397/0x810 [ 5862.587962][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5862.587962][ T73] process_backlog+0x101/0x620 [ 5862.587962][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5862.587962][ T73] net_rx_action+0x495/0xbe0 [ 5862.587962][ T73] __do_softirq+0x1b5/0x7f6 [ 5862.587962][ T73] [ 5862.589804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.589804][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.589804][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.589804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.589804][ T73] ip6_route_add+0x1c/0x140 [ 5862.589804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5862.589804][ T73] inet6_addr_add+0x4f8/0xa40 [ 5862.589804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.589804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.589804][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.589804][ T73] netlink_unicast+0x449/0x710 [ 5862.589804][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.589804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.589804][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.589804][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.589804][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.589804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.589804][ T73] [ 5862.592039][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.592039][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.592039][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.592039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.592039][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5862.592039][ T73] ipv6_add_addr+0x411/0x2000 [ 5862.592039][ T73] inet6_addr_add+0x30e/0xa40 [ 5862.592039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.592039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.592039][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.592039][ T73] netlink_unicast+0x449/0x710 [ 5862.592039][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.592039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.592039][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.592039][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.592039][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.592039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.592039][ T73] [ 5862.594303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.594303][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.594303][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.594303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.594303][ T73] ip6_route_add+0x1c/0x140 [ 5862.594303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5862.594303][ T73] addrconf_add_dev+0xe2/0x170 [ 5862.594303][ T73] inet6_addr_add+0x12f/0xa40 [ 5862.594303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.594303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.594303][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.594303][ T73] netlink_unicast+0x449/0x710 [ 5862.594303][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.594303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.594303][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.594303][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.594303][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.594303][ T73] [ 5862.597085][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.597085][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5862.597085][ T73] ipv6_find_idev+0x102/0x170 [ 5862.597085][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.597085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.597085][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.597085][ T73] netlink_unicast+0x449/0x710 [ 5862.597085][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.597085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.597085][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.597085][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.597085][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.597085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.597085][ T73] [ 5862.598821][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5862.598821][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5862.598821][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5862.598821][ T73] ipv6_find_idev+0x102/0x170 [ 5862.598821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.598821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.598821][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.598821][ T73] netlink_unicast+0x449/0x710 [ 5862.598821][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.598821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.598821][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.598821][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.598821][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.598821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.598821][ T73] [ 5862.600729][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5862.601442][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5862.601442][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.601442][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.601442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.601442][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5862.601442][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5862.601442][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5862.601442][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5862.601442][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5862.601442][ T73] addrconf_dad_begin+0x310/0x670 [ 5862.601442][ T73] addrconf_dad_work+0x10b/0xab0 [ 5862.601442][ T73] process_one_work+0x84d/0x18a0 [ 5862.601442][ T73] worker_thread+0x587/0xd30 [ 5862.601442][ T73] kthread+0x28a/0x350 [ 5862.601442][ T73] ret_from_fork+0x31/0x70 [ 5862.601442][ T73] ret_from_fork_asm+0x1a/0x30 [ 5862.601442][ T73] [ 5862.603352][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5862.603352][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.603352][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.603352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.603352][ T73] ip6_route_add+0x1c/0x140 [ 5862.603352][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5862.603352][ T73] inet6_addr_add+0x4f8/0xa40 [ 5862.603352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.603352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.603352][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.603352][ T73] netlink_unicast+0x449/0x710 [ 5862.603352][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.603352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.603352][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.603352][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.603352][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.603352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.603352][ T73] [ 5862.605487][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5862.605487][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.605487][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.605487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.605487][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5862.605487][ T73] ipv6_add_addr+0x411/0x2000 [ 5862.605487][ T73] inet6_addr_add+0x30e/0xa40 [ 5862.605487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.605487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.605487][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.605487][ T73] netlink_unicast+0x449/0x710 [ 5862.605487][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.605487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.605487][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.605487][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.605487][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.605487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.605487][ T73] [ 5862.607726][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5862.607726][ T73] netdev_get_by_index+0x5e/0x80 [ 5862.607726][ T73] fib6_nh_init+0x3d8/0x1580 [ 5862.607726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5862.607726][ T73] ip6_route_add+0x1c/0x140 [ 5862.607726][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5862.607726][ T73] addrconf_add_dev+0xe2/0x170 [ 5862.607726][ T73] inet6_addr_add+0x12f/0xa40 [ 5862.607726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.607726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.607726][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.607726][ T73] netlink_unicast+0x449/0x710 [ 5862.607726][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.607726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.607726][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.607726][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.607726][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.607726][ T73] [ 5862.609955][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5862.609955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5862.609955][ T73] ipv6_find_idev+0x102/0x170 [ 5862.609955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.609955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.609955][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.609955][ T73] netlink_unicast+0x449/0x710 [ 5862.609955][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.609955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.609955][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.609955][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.609955][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.609955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.609955][ T73] [ 5862.611678][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5862.611678][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5862.611678][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5862.611678][ T73] ipv6_find_idev+0x102/0x170 [ 5862.611678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.611678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.611678][ T73] netlink_rcv_skb+0x130/0x360 [ 5862.611678][ T73] netlink_unicast+0x449/0x710 [ 5862.611678][ T73] netlink_sendmsg+0x723/0xbe0 [ 5862.611678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5862.611678][ T73] ___sys_sendmsg+0xee/0x170 [ 5862.611678][ T73] __sys_sendmsg+0xcd/0x170 [ 5862.611678][ T73] do_syscall_64+0xc6/0x1e0 [ 5862.611678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.611678][ T73] [ 5872.854893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5872.855357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.855357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5872.855357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5872.855357][ T73] fib6_nh_init+0xa22/0x1580 [ 5872.855357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.855357][ T73] ip6_route_add+0x1c/0x140 [ 5872.855357][ T73] inet6_rtm_newroute+0x104/0x110 [ 5872.855357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.855357][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.855357][ T73] netlink_unicast+0x449/0x710 [ 5872.855357][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.855357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.855357][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.855357][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.855357][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.855357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.855357][ T73] [ 5872.857264][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.857264][ T73] dst_init+0x84/0x4a0 [ 5872.857264][ T73] dst_alloc+0x97/0x150 [ 5872.857264][ T73] ip6_dst_alloc+0x23/0x90 [ 5872.857264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5872.857264][ T73] ip6_pol_route+0x56f/0x840 [ 5872.857264][ T73] fib6_rule_lookup+0x456/0x630 [ 5872.857264][ T73] ip6_route_input+0x59c/0xa50 [ 5872.857264][ T73] ipv6_rcv+0x397/0x810 [ 5872.857264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5872.857264][ T73] process_backlog+0x101/0x620 [ 5872.857264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5872.857264][ T73] net_rx_action+0x495/0xbe0 [ 5872.857264][ T73] __do_softirq+0x1b5/0x7f6 [ 5872.857264][ T73] [ 5872.858883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.858883][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.858883][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.858883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.858883][ T73] ip6_route_add+0x1c/0x140 [ 5872.858883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5872.858883][ T73] inet6_addr_add+0x4f8/0xa40 [ 5872.858883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.858883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.858883][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.858883][ T73] netlink_unicast+0x449/0x710 [ 5872.858883][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.858883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.858883][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.858883][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.858883][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.858883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.858883][ T73] [ 5872.861312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.861312][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.861312][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.861312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.861312][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5872.861312][ T73] ipv6_add_addr+0x411/0x2000 [ 5872.861312][ T73] inet6_addr_add+0x30e/0xa40 [ 5872.861312][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.861312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.861312][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.861312][ T73] netlink_unicast+0x449/0x710 [ 5872.861312][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.861312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.861312][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.861312][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.861312][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.861312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.861312][ T73] [ 5872.863693][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.863693][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.863693][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.863693][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.863693][ T73] ip6_route_add+0x1c/0x140 [ 5872.863693][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5872.863693][ T73] addrconf_add_dev+0xe2/0x170 [ 5872.863693][ T73] inet6_addr_add+0x12f/0xa40 [ 5872.863693][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.863693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.863693][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.863693][ T73] netlink_unicast+0x449/0x710 [ 5872.863693][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.863693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.863693][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.863693][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.863693][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.863693][ T73] [ 5872.865671][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.865671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5872.865671][ T73] ipv6_find_idev+0x102/0x170 [ 5872.865671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.865671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.865671][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.865671][ T73] netlink_unicast+0x449/0x710 [ 5872.865671][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.865671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.865671][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.865671][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.865671][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.865671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.865671][ T73] [ 5872.867219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5872.867219][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5872.867219][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5872.867219][ T73] ipv6_find_idev+0x102/0x170 [ 5872.867219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.867219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.867219][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.867219][ T73] netlink_unicast+0x449/0x710 [ 5872.867219][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.867219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.867219][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.867219][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.867219][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.867219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.867219][ T73] [ 5872.868896][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5872.869198][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.869198][ T73] dst_init+0x84/0x4a0 [ 5872.869198][ T73] dst_alloc+0x97/0x150 [ 5872.869198][ T73] ip6_dst_alloc+0x23/0x90 [ 5872.869198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5872.869198][ T73] ip6_pol_route+0x56f/0x840 [ 5872.869198][ T73] fib6_rule_lookup+0x456/0x630 [ 5872.869198][ T73] ip6_route_input+0x59c/0xa50 [ 5872.869198][ T73] ipv6_rcv+0x397/0x810 [ 5872.869198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5872.869198][ T73] process_backlog+0x101/0x620 [ 5872.869198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5872.869198][ T73] net_rx_action+0x495/0xbe0 [ 5872.869198][ T73] __do_softirq+0x1b5/0x7f6 [ 5872.869198][ T73] [ 5872.870851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.870851][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.870851][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.870851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.870851][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5872.870851][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5872.870851][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5872.870851][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5872.870851][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5872.870851][ T73] addrconf_dad_begin+0x310/0x670 [ 5872.870851][ T73] addrconf_dad_work+0x10b/0xab0 [ 5872.870851][ T73] process_one_work+0x84d/0x18a0 [ 5872.870851][ T73] worker_thread+0x587/0xd30 [ 5872.870851][ T73] kthread+0x28a/0x350 [ 5872.870851][ T73] ret_from_fork+0x31/0x70 [ 5872.870851][ T73] ret_from_fork_asm+0x1a/0x30 [ 5872.870851][ T73] [ 5872.872776][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.872776][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.872776][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.872776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.872776][ T73] ip6_route_add+0x1c/0x140 [ 5872.872776][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5872.872776][ T73] inet6_addr_add+0x4f8/0xa40 [ 5872.872776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.872776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.872776][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.872776][ T73] netlink_unicast+0x449/0x710 [ 5872.872776][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.872776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.872776][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.872776][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.872776][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.872776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.872776][ T73] [ 5872.874778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.874778][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.874778][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.874778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.874778][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5872.874778][ T73] ipv6_add_addr+0x411/0x2000 [ 5872.874778][ T73] inet6_addr_add+0x30e/0xa40 [ 5872.874778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.874778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.874778][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.874778][ T73] netlink_unicast+0x449/0x710 [ 5872.874778][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.874778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.874778][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.874778][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.874778][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.874778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.874778][ T73] [ 5872.876789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.876789][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.876789][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.876789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.876789][ T73] ip6_route_add+0x1c/0x140 [ 5872.876789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5872.876789][ T73] addrconf_add_dev+0xe2/0x170 [ 5872.876789][ T73] inet6_addr_add+0x12f/0xa40 [ 5872.876789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.876789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.876789][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.876789][ T73] netlink_unicast+0x449/0x710 [ 5872.876789][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.876789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.876789][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.876789][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.876789][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.876789][ T73] [ 5872.878755][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.878755][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5872.878755][ T73] ipv6_find_idev+0x102/0x170 [ 5872.878755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.878755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.878755][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.878755][ T73] netlink_unicast+0x449/0x710 [ 5872.878755][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.878755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.878755][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.878755][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.878755][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.878755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.878755][ T73] [ 5872.880300][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5872.880300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5872.880300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5872.880300][ T73] ipv6_find_idev+0x102/0x170 [ 5872.880300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.880300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.880300][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.880300][ T73] netlink_unicast+0x449/0x710 [ 5872.880300][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.880300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.880300][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.880300][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.880300][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.880300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.880300][ T73] [ 5872.882116][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5872.882467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.882467][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5872.882467][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5872.882467][ T73] fib6_nh_init+0xa22/0x1580 [ 5872.882467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.882467][ T73] ip6_route_add+0x1c/0x140 [ 5872.882467][ T73] inet6_rtm_newroute+0x104/0x110 [ 5872.882467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.882467][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.882467][ T73] netlink_unicast+0x449/0x710 [ 5872.882467][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.882467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.882467][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.882467][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.882467][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.882467][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.882467][ T73] [ 5872.884537][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.884537][ T73] dst_init+0x84/0x4a0 [ 5872.884537][ T73] dst_alloc+0x97/0x150 [ 5872.884537][ T73] ip6_dst_alloc+0x23/0x90 [ 5872.884537][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5872.884537][ T73] ip6_pol_route+0x56f/0x840 [ 5872.884537][ T73] fib6_rule_lookup+0x456/0x630 [ 5872.884537][ T73] ip6_route_input+0x59c/0xa50 [ 5872.884537][ T73] ipv6_rcv+0x397/0x810 [ 5872.884537][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5872.884537][ T73] process_backlog+0x101/0x620 [ 5872.884537][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5872.884537][ T73] net_rx_action+0x495/0xbe0 [ 5872.884537][ T73] __do_softirq+0x1b5/0x7f6 [ 5872.884537][ T73] [ 5872.886365][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.886365][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.886365][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.886365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.886365][ T73] ip6_route_add+0x1c/0x140 [ 5872.886365][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5872.886365][ T73] inet6_addr_add+0x4f8/0xa40 [ 5872.886365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.886365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.886365][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.886365][ T73] netlink_unicast+0x449/0x710 [ 5872.886365][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.886365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.886365][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.886365][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.886365][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.886365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.886365][ T73] [ 5872.888670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.888670][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.888670][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.888670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.888670][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5872.888670][ T73] ipv6_add_addr+0x411/0x2000 [ 5872.888670][ T73] inet6_addr_add+0x30e/0xa40 [ 5872.888670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.888670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.888670][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.888670][ T73] netlink_unicast+0x449/0x710 [ 5872.888670][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.888670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.888670][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.888670][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.888670][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.888670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.888670][ T73] [ 5872.890914][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.890914][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.890914][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.890914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.890914][ T73] ip6_route_add+0x1c/0x140 [ 5872.890914][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5872.890914][ T73] addrconf_add_dev+0xe2/0x170 [ 5872.890914][ T73] inet6_addr_add+0x12f/0xa40 [ 5872.890914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.890914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.890914][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.890914][ T73] netlink_unicast+0x449/0x710 [ 5872.890914][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.890914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.890914][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.890914][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.890914][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.890914][ T73] [ 5872.893122][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.893122][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5872.893122][ T73] ipv6_find_idev+0x102/0x170 [ 5872.893122][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.893122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.893122][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.893122][ T73] netlink_unicast+0x449/0x710 [ 5872.893122][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.893122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.893122][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.893122][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.893122][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.893122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.893122][ T73] [ 5872.894850][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5872.894850][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5872.894850][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5872.894850][ T73] ipv6_find_idev+0x102/0x170 [ 5872.894850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.894850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.894850][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.894850][ T73] netlink_unicast+0x449/0x710 [ 5872.894850][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.894850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.894850][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.894850][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.894850][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.894850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.894850][ T73] [ 5872.896726][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5872.897432][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5872.897432][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.897432][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.897432][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.897432][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5872.897432][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5872.897432][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5872.897432][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5872.897432][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5872.897432][ T73] addrconf_dad_begin+0x310/0x670 [ 5872.897432][ T73] addrconf_dad_work+0x10b/0xab0 [ 5872.897432][ T73] process_one_work+0x84d/0x18a0 [ 5872.897432][ T73] worker_thread+0x587/0xd30 [ 5872.897432][ T73] kthread+0x28a/0x350 [ 5872.897432][ T73] ret_from_fork+0x31/0x70 [ 5872.897432][ T73] ret_from_fork_asm+0x1a/0x30 [ 5872.897432][ T73] [ 5872.899344][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5872.899344][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.899344][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.899344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.899344][ T73] ip6_route_add+0x1c/0x140 [ 5872.899344][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5872.899344][ T73] inet6_addr_add+0x4f8/0xa40 [ 5872.899344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.899344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.899344][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.899344][ T73] netlink_unicast+0x449/0x710 [ 5872.899344][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.899344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.899344][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.899344][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.899344][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.899344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.899344][ T73] [ 5872.901531][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5872.901531][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.901531][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.901531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.901531][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5872.901531][ T73] ipv6_add_addr+0x411/0x2000 [ 5872.901531][ T73] inet6_addr_add+0x30e/0xa40 [ 5872.901531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.901531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.901531][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.901531][ T73] netlink_unicast+0x449/0x710 [ 5872.901531][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.901531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.901531][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.901531][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.901531][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.901531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.901531][ T73] [ 5872.903776][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5872.903776][ T73] netdev_get_by_index+0x5e/0x80 [ 5872.903776][ T73] fib6_nh_init+0x3d8/0x1580 [ 5872.903776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5872.903776][ T73] ip6_route_add+0x1c/0x140 [ 5872.903776][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5872.903776][ T73] addrconf_add_dev+0xe2/0x170 [ 5872.903776][ T73] inet6_addr_add+0x12f/0xa40 [ 5872.903776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.903776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.903776][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.903776][ T73] netlink_unicast+0x449/0x710 [ 5872.903776][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.903776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.903776][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.903776][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.903776][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.903776][ T73] [ 5872.905928][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5872.905928][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5872.905928][ T73] ipv6_find_idev+0x102/0x170 [ 5872.905928][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.905928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.905928][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.905928][ T73] netlink_unicast+0x449/0x710 [ 5872.905928][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.905928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.905928][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.905928][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.905928][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.905928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.905928][ T73] [ 5872.907649][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5872.907649][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5872.907649][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5872.907649][ T73] ipv6_find_idev+0x102/0x170 [ 5872.907649][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.907649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.907649][ T73] netlink_rcv_skb+0x130/0x360 [ 5872.907649][ T73] netlink_unicast+0x449/0x710 [ 5872.907649][ T73] netlink_sendmsg+0x723/0xbe0 [ 5872.907649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5872.907649][ T73] ___sys_sendmsg+0xee/0x170 [ 5872.907649][ T73] __sys_sendmsg+0xcd/0x170 [ 5872.907649][ T73] do_syscall_64+0xc6/0x1e0 [ 5872.907649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.907649][ T73] [ 5883.150885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5883.151362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.151362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5883.151362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5883.151362][ T73] fib6_nh_init+0xa22/0x1580 [ 5883.151362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.151362][ T73] ip6_route_add+0x1c/0x140 [ 5883.151362][ T73] inet6_rtm_newroute+0x104/0x110 [ 5883.151362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.151362][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.151362][ T73] netlink_unicast+0x449/0x710 [ 5883.151362][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.151362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.151362][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.151362][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.151362][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.151362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.151362][ T73] [ 5883.153272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.153272][ T73] dst_init+0x84/0x4a0 [ 5883.153272][ T73] dst_alloc+0x97/0x150 [ 5883.153272][ T73] ip6_dst_alloc+0x23/0x90 [ 5883.153272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5883.153272][ T73] ip6_pol_route+0x56f/0x840 [ 5883.153272][ T73] fib6_rule_lookup+0x456/0x630 [ 5883.153272][ T73] ip6_route_input+0x59c/0xa50 [ 5883.153272][ T73] ipv6_rcv+0x397/0x810 [ 5883.153272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5883.153272][ T73] process_backlog+0x101/0x620 [ 5883.153272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5883.153272][ T73] net_rx_action+0x495/0xbe0 [ 5883.153272][ T73] __do_softirq+0x1b5/0x7f6 [ 5883.153272][ T73] [ 5883.154937][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.154937][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.154937][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.154937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.154937][ T73] ip6_route_add+0x1c/0x140 [ 5883.154937][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5883.154937][ T73] inet6_addr_add+0x4f8/0xa40 [ 5883.154937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.154937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.154937][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.154937][ T73] netlink_unicast+0x449/0x710 [ 5883.154937][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.154937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.154937][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.154937][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.154937][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.154937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.154937][ T73] [ 5883.156940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.156940][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.156940][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.156940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.156940][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5883.156940][ T73] ipv6_add_addr+0x411/0x2000 [ 5883.156940][ T73] inet6_addr_add+0x30e/0xa40 [ 5883.156940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.156940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.156940][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.156940][ T73] netlink_unicast+0x449/0x710 [ 5883.156940][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.156940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.156940][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.156940][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.156940][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.156940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.156940][ T73] [ 5883.158914][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.158914][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.158914][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.158914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.158914][ T73] ip6_route_add+0x1c/0x140 [ 5883.158914][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5883.158914][ T73] addrconf_add_dev+0xe2/0x170 [ 5883.158914][ T73] inet6_addr_add+0x12f/0xa40 [ 5883.158914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.158914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.158914][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.158914][ T73] netlink_unicast+0x449/0x710 [ 5883.158914][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.158914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.158914][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.158914][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.158914][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.158914][ T73] [ 5883.160925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.160925][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5883.160925][ T73] ipv6_find_idev+0x102/0x170 [ 5883.160925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.160925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.160925][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.160925][ T73] netlink_unicast+0x449/0x710 [ 5883.160925][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.160925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.160925][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.160925][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.160925][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.160925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.160925][ T73] [ 5883.162472][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5883.162472][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5883.162472][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5883.162472][ T73] ipv6_find_idev+0x102/0x170 [ 5883.162472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.162472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.162472][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.162472][ T73] netlink_unicast+0x449/0x710 [ 5883.162472][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.162472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.162472][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.162472][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.162472][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.162472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.162472][ T73] [ 5883.164181][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5883.164456][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.164456][ T73] dst_init+0x84/0x4a0 [ 5883.164456][ T73] dst_alloc+0x97/0x150 [ 5883.164456][ T73] ip6_dst_alloc+0x23/0x90 [ 5883.164456][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5883.164456][ T73] ip6_pol_route+0x56f/0x840 [ 5883.164456][ T73] fib6_rule_lookup+0x456/0x630 [ 5883.164456][ T73] ip6_route_input+0x59c/0xa50 [ 5883.164456][ T73] ipv6_rcv+0x397/0x810 [ 5883.164456][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5883.164456][ T73] process_backlog+0x101/0x620 [ 5883.164456][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5883.164456][ T73] net_rx_action+0x495/0xbe0 [ 5883.164456][ T73] __do_softirq+0x1b5/0x7f6 [ 5883.164456][ T73] [ 5883.166108][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.166108][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.166108][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.166108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.166108][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5883.166108][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5883.166108][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5883.166108][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5883.166108][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5883.166108][ T73] addrconf_dad_begin+0x310/0x670 [ 5883.166108][ T73] addrconf_dad_work+0x10b/0xab0 [ 5883.166108][ T73] process_one_work+0x84d/0x18a0 [ 5883.166108][ T73] worker_thread+0x587/0xd30 [ 5883.166108][ T73] kthread+0x28a/0x350 [ 5883.166108][ T73] ret_from_fork+0x31/0x70 [ 5883.166108][ T73] ret_from_fork_asm+0x1a/0x30 [ 5883.166108][ T73] [ 5883.168023][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.168023][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.168023][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.168023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.168023][ T73] ip6_route_add+0x1c/0x140 [ 5883.168023][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5883.168023][ T73] inet6_addr_add+0x4f8/0xa40 [ 5883.168023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.168023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.168023][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.168023][ T73] netlink_unicast+0x449/0x710 [ 5883.168023][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.168023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.168023][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.168023][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.168023][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.168023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.168023][ T73] [ 5883.170018][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.170018][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.170018][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.170018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.170018][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5883.170018][ T73] ipv6_add_addr+0x411/0x2000 [ 5883.170018][ T73] inet6_addr_add+0x30e/0xa40 [ 5883.170018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.170018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.170018][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.170018][ T73] netlink_unicast+0x449/0x710 [ 5883.170018][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.170018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.170018][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.170018][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.170018][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.170018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.170018][ T73] [ 5883.172033][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.172033][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.172033][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.172033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.172033][ T73] ip6_route_add+0x1c/0x140 [ 5883.172033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5883.172033][ T73] addrconf_add_dev+0xe2/0x170 [ 5883.172033][ T73] inet6_addr_add+0x12f/0xa40 [ 5883.172033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.172033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.172033][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.172033][ T73] netlink_unicast+0x449/0x710 [ 5883.172033][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.172033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.172033][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.172033][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.172033][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.172033][ T73] [ 5883.174024][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.174024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5883.174024][ T73] ipv6_find_idev+0x102/0x170 [ 5883.174024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.174024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.174024][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.174024][ T73] netlink_unicast+0x449/0x710 [ 5883.174024][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.174024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.174024][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.174024][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.174024][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.174024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.174024][ T73] [ 5883.175552][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5883.175552][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5883.175552][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5883.175552][ T73] ipv6_find_idev+0x102/0x170 [ 5883.175552][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.175552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.175552][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.175552][ T73] netlink_unicast+0x449/0x710 [ 5883.175552][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.175552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.175552][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.175552][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.175552][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.175552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.175552][ T73] [ 5883.177336][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5883.177681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.177681][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5883.177681][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5883.177681][ T73] fib6_nh_init+0xa22/0x1580 [ 5883.177681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.177681][ T73] ip6_route_add+0x1c/0x140 [ 5883.177681][ T73] inet6_rtm_newroute+0x104/0x110 [ 5883.177681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.177681][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.177681][ T73] netlink_unicast+0x449/0x710 [ 5883.177681][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.177681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.177681][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.177681][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.177681][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.177681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.177681][ T73] [ 5883.179834][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.179834][ T73] dst_init+0x84/0x4a0 [ 5883.179834][ T73] dst_alloc+0x97/0x150 [ 5883.179834][ T73] ip6_dst_alloc+0x23/0x90 [ 5883.179834][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5883.179834][ T73] ip6_pol_route+0x56f/0x840 [ 5883.179834][ T73] fib6_rule_lookup+0x456/0x630 [ 5883.179834][ T73] ip6_route_input+0x59c/0xa50 [ 5883.179834][ T73] ipv6_rcv+0x397/0x810 [ 5883.179834][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5883.179834][ T73] process_backlog+0x101/0x620 [ 5883.179834][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5883.179834][ T73] net_rx_action+0x495/0xbe0 [ 5883.179834][ T73] __do_softirq+0x1b5/0x7f6 [ 5883.179834][ T73] [ 5883.181644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.181644][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.181644][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.181644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.181644][ T73] ip6_route_add+0x1c/0x140 [ 5883.181644][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5883.181644][ T73] inet6_addr_add+0x4f8/0xa40 [ 5883.181644][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.181644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.181644][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.181644][ T73] netlink_unicast+0x449/0x710 [ 5883.181644][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.181644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.181644][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.181644][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.181644][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.181644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.181644][ T73] [ 5883.183909][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.183909][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.183909][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.183909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.183909][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5883.183909][ T73] ipv6_add_addr+0x411/0x2000 [ 5883.183909][ T73] inet6_addr_add+0x30e/0xa40 [ 5883.183909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.183909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.183909][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.183909][ T73] netlink_unicast+0x449/0x710 [ 5883.183909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.183909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.183909][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.183909][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.183909][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.183909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.183909][ T73] [ 5883.186182][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.186182][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.186182][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.186182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.186182][ T73] ip6_route_add+0x1c/0x140 [ 5883.186182][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5883.186182][ T73] addrconf_add_dev+0xe2/0x170 [ 5883.186182][ T73] inet6_addr_add+0x12f/0xa40 [ 5883.186182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.186182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.186182][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.186182][ T73] netlink_unicast+0x449/0x710 [ 5883.186182][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.186182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.186182][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.186182][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.186182][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.186182][ T73] [ 5883.188391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.188391][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5883.188391][ T73] ipv6_find_idev+0x102/0x170 [ 5883.188391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.188391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.188391][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.188391][ T73] netlink_unicast+0x449/0x710 [ 5883.188391][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.188391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.188391][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.188391][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.188391][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.188391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.188391][ T73] [ 5883.190184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5883.190184][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5883.190184][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5883.190184][ T73] ipv6_find_idev+0x102/0x170 [ 5883.190184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.190184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.190184][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.190184][ T73] netlink_unicast+0x449/0x710 [ 5883.190184][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.190184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.190184][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.190184][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.190184][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.190184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.190184][ T73] [ 5883.192075][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5883.192346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5883.192346][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.192346][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.192346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.192346][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5883.192346][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5883.192346][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5883.192346][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5883.192346][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5883.192346][ T73] addrconf_dad_begin+0x310/0x670 [ 5883.192346][ T73] addrconf_dad_work+0x10b/0xab0 [ 5883.192346][ T73] process_one_work+0x84d/0x18a0 [ 5883.192346][ T73] worker_thread+0x587/0xd30 [ 5883.192346][ T73] kthread+0x28a/0x350 [ 5883.192346][ T73] ret_from_fork+0x31/0x70 [ 5883.192346][ T73] ret_from_fork_asm+0x1a/0x30 [ 5883.192346][ T73] [ 5883.194516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5883.194516][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.194516][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.194516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.194516][ T73] ip6_route_add+0x1c/0x140 [ 5883.194516][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5883.194516][ T73] inet6_addr_add+0x4f8/0xa40 [ 5883.194516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.194516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.194516][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.194516][ T73] netlink_unicast+0x449/0x710 [ 5883.194516][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.194516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.194516][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.194516][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.194516][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.194516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.194516][ T73] [ 5883.196767][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5883.196767][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.196767][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.196767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.196767][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5883.196767][ T73] ipv6_add_addr+0x411/0x2000 [ 5883.196767][ T73] inet6_addr_add+0x30e/0xa40 [ 5883.196767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.196767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.196767][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.196767][ T73] netlink_unicast+0x449/0x710 [ 5883.196767][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.196767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.196767][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.196767][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.196767][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.196767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.196767][ T73] [ 5883.199092][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5883.199092][ T73] netdev_get_by_index+0x5e/0x80 [ 5883.199092][ T73] fib6_nh_init+0x3d8/0x1580 [ 5883.199092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5883.199092][ T73] ip6_route_add+0x1c/0x140 [ 5883.199092][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5883.199092][ T73] addrconf_add_dev+0xe2/0x170 [ 5883.199092][ T73] inet6_addr_add+0x12f/0xa40 [ 5883.199092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5883.199092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.199092][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.199092][ T73] netlink_unicast+0x449/0x710 [ 5883.199092][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.199092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.199092][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.199092][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.199092][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.199092][ T73] [ 5883.201289][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5883.201289][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5883.201289][ T73] ipv6_find_idev+0x102/0x170 [ 5883.201289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.201289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.201289][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.201289][ T73] netlink_unicast+0x449/0x710 [ 5883.201289][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.201289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.201289][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.201289][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.201289][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.201289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.201289][ T73] [ 5883.203013][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5883.203013][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5883.203013][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5883.203013][ T73] ipv6_find_idev+0x102/0x170 [ 5883.203013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5883.203013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5883.203013][ T73] netlink_rcv_skb+0x130/0x360 [ 5883.203013][ T73] netlink_unicast+0x449/0x710 [ 5883.203013][ T73] netlink_sendmsg+0x723/0xbe0 [ 5883.203013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5883.203013][ T73] ___sys_sendmsg+0xee/0x170 [ 5883.203013][ T73] __sys_sendmsg+0xcd/0x170 [ 5883.203013][ T73] do_syscall_64+0xc6/0x1e0 [ 5883.203013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5883.203013][ T73] [ 5893.398897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5893.399379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.399379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5893.399379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5893.399379][ T73] fib6_nh_init+0xa22/0x1580 [ 5893.399379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.399379][ T73] ip6_route_add+0x1c/0x140 [ 5893.399379][ T73] inet6_rtm_newroute+0x104/0x110 [ 5893.399379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.399379][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.399379][ T73] netlink_unicast+0x449/0x710 [ 5893.399379][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.399379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.399379][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.399379][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.399379][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.399379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.399379][ T73] [ 5893.401293][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.401293][ T73] dst_init+0x84/0x4a0 [ 5893.401293][ T73] dst_alloc+0x97/0x150 [ 5893.401293][ T73] ip6_dst_alloc+0x23/0x90 [ 5893.401293][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5893.401293][ T73] ip6_pol_route+0x56f/0x840 [ 5893.401293][ T73] fib6_rule_lookup+0x456/0x630 [ 5893.401293][ T73] ip6_route_input+0x59c/0xa50 [ 5893.401293][ T73] ipv6_rcv+0x397/0x810 [ 5893.401293][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5893.401293][ T73] process_backlog+0x101/0x620 [ 5893.401293][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5893.401293][ T73] net_rx_action+0x495/0xbe0 [ 5893.401293][ T73] __do_softirq+0x1b5/0x7f6 [ 5893.401293][ T73] [ 5893.402945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.402945][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.402945][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.402945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.402945][ T73] ip6_route_add+0x1c/0x140 [ 5893.402945][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5893.402945][ T73] inet6_addr_add+0x4f8/0xa40 [ 5893.402945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.402945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.402945][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.402945][ T73] netlink_unicast+0x449/0x710 [ 5893.402945][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.402945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.402945][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.402945][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.402945][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.402945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.402945][ T73] [ 5893.404970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.404970][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.404970][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.404970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.404970][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5893.404970][ T73] ipv6_add_addr+0x411/0x2000 [ 5893.404970][ T73] inet6_addr_add+0x30e/0xa40 [ 5893.404970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.404970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.404970][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.404970][ T73] netlink_unicast+0x449/0x710 [ 5893.404970][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.404970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.404970][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.404970][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.404970][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.404970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.404970][ T73] [ 5893.407000][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.407000][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.407000][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.407000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.407000][ T73] ip6_route_add+0x1c/0x140 [ 5893.407000][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5893.407000][ T73] addrconf_add_dev+0xe2/0x170 [ 5893.407000][ T73] inet6_addr_add+0x12f/0xa40 [ 5893.407000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.407000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.407000][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.407000][ T73] netlink_unicast+0x449/0x710 [ 5893.407000][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.407000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.407000][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.407000][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.407000][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.407000][ T73] [ 5893.409004][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.409004][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5893.409004][ T73] ipv6_find_idev+0x102/0x170 [ 5893.409004][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.409004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.409004][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.409004][ T73] netlink_unicast+0x449/0x710 [ 5893.409004][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.409004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.409004][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.409004][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.409004][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.409004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.409004][ T73] [ 5893.410559][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5893.410559][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5893.410559][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5893.410559][ T73] ipv6_find_idev+0x102/0x170 [ 5893.410559][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.410559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.410559][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.410559][ T73] netlink_unicast+0x449/0x710 [ 5893.410559][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.410559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.410559][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.410559][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.410559][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.410559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.410559][ T73] [ 5893.412268][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5893.412547][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.412547][ T73] dst_init+0x84/0x4a0 [ 5893.412547][ T73] dst_alloc+0x97/0x150 [ 5893.412547][ T73] ip6_dst_alloc+0x23/0x90 [ 5893.412547][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5893.412547][ T73] ip6_pol_route+0x56f/0x840 [ 5893.412547][ T73] fib6_rule_lookup+0x456/0x630 [ 5893.412547][ T73] ip6_route_input+0x59c/0xa50 [ 5893.412547][ T73] ipv6_rcv+0x397/0x810 [ 5893.412547][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5893.412547][ T73] process_backlog+0x101/0x620 [ 5893.412547][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5893.412547][ T73] net_rx_action+0x495/0xbe0 [ 5893.412547][ T73] __do_softirq+0x1b5/0x7f6 [ 5893.412547][ T73] [ 5893.414204][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.414204][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.414204][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.414204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.414204][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5893.414204][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5893.414204][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5893.414204][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5893.414204][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5893.414204][ T73] addrconf_dad_begin+0x310/0x670 [ 5893.414204][ T73] addrconf_dad_work+0x10b/0xab0 [ 5893.414204][ T73] process_one_work+0x84d/0x18a0 [ 5893.414204][ T73] worker_thread+0x587/0xd30 [ 5893.414204][ T73] kthread+0x28a/0x350 [ 5893.414204][ T73] ret_from_fork+0x31/0x70 [ 5893.414204][ T73] ret_from_fork_asm+0x1a/0x30 [ 5893.414204][ T73] [ 5893.416124][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.416124][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.416124][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.416124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.416124][ T73] ip6_route_add+0x1c/0x140 [ 5893.416124][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5893.416124][ T73] inet6_addr_add+0x4f8/0xa40 [ 5893.416124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.416124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.416124][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.416124][ T73] netlink_unicast+0x449/0x710 [ 5893.416124][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.416124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.416124][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.416124][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.416124][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.416124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.416124][ T73] [ 5893.418135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.418135][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.418135][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.418135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.418135][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5893.418135][ T73] ipv6_add_addr+0x411/0x2000 [ 5893.418135][ T73] inet6_addr_add+0x30e/0xa40 [ 5893.418135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.418135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.418135][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.418135][ T73] netlink_unicast+0x449/0x710 [ 5893.418135][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.418135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.418135][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.418135][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.418135][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.418135][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.418135][ T73] [ 5893.420145][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.420145][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.420145][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.420145][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.420145][ T73] ip6_route_add+0x1c/0x140 [ 5893.420145][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5893.420145][ T73] addrconf_add_dev+0xe2/0x170 [ 5893.420145][ T73] inet6_addr_add+0x12f/0xa40 [ 5893.420145][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.420145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.420145][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.420145][ T73] netlink_unicast+0x449/0x710 [ 5893.420145][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.420145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.420145][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.420145][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.420145][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.420145][ T73] [ 5893.422116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.422116][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5893.422116][ T73] ipv6_find_idev+0x102/0x170 [ 5893.422116][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.422116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.422116][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.422116][ T73] netlink_unicast+0x449/0x710 [ 5893.422116][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.422116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.422116][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.422116][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.422116][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.422116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.422116][ T73] [ 5893.423675][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5893.423675][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5893.423675][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5893.423675][ T73] ipv6_find_idev+0x102/0x170 [ 5893.423675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.423675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.423675][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.423675][ T73] netlink_unicast+0x449/0x710 [ 5893.423675][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.423675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.423675][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.423675][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.423675][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.423675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.423675][ T73] [ 5893.425492][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5893.425839][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.425839][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5893.425839][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5893.425839][ T73] fib6_nh_init+0xa22/0x1580 [ 5893.425839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.425839][ T73] ip6_route_add+0x1c/0x140 [ 5893.425839][ T73] inet6_rtm_newroute+0x104/0x110 [ 5893.425839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.425839][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.425839][ T73] netlink_unicast+0x449/0x710 [ 5893.425839][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.425839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.425839][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.425839][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.425839][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.425839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.425839][ T73] [ 5893.427908][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.427908][ T73] dst_init+0x84/0x4a0 [ 5893.427908][ T73] dst_alloc+0x97/0x150 [ 5893.427908][ T73] ip6_dst_alloc+0x23/0x90 [ 5893.427908][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5893.427908][ T73] ip6_pol_route+0x56f/0x840 [ 5893.427908][ T73] fib6_rule_lookup+0x456/0x630 [ 5893.427908][ T73] ip6_route_input+0x59c/0xa50 [ 5893.427908][ T73] ipv6_rcv+0x397/0x810 [ 5893.427908][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5893.427908][ T73] process_backlog+0x101/0x620 [ 5893.427908][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5893.427908][ T73] net_rx_action+0x495/0xbe0 [ 5893.427908][ T73] __do_softirq+0x1b5/0x7f6 [ 5893.427908][ T73] [ 5893.429731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.429731][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.429731][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.429731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.429731][ T73] ip6_route_add+0x1c/0x140 [ 5893.429731][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5893.429731][ T73] inet6_addr_add+0x4f8/0xa40 [ 5893.429731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.429731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.429731][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.429731][ T73] netlink_unicast+0x449/0x710 [ 5893.429731][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.429731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.429731][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.429731][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.429731][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.429731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.429731][ T73] [ 5893.432038][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.432038][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.432038][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.432038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.432038][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5893.432038][ T73] ipv6_add_addr+0x411/0x2000 [ 5893.432038][ T73] inet6_addr_add+0x30e/0xa40 [ 5893.432038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.432038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.432038][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.432038][ T73] netlink_unicast+0x449/0x710 [ 5893.432038][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.432038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.432038][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.432038][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.432038][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.432038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.432038][ T73] [ 5893.434288][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.434288][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.434288][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.434288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.434288][ T73] ip6_route_add+0x1c/0x140 [ 5893.434288][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5893.434288][ T73] addrconf_add_dev+0xe2/0x170 [ 5893.434288][ T73] inet6_addr_add+0x12f/0xa40 [ 5893.434288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.434288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.434288][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.434288][ T73] netlink_unicast+0x449/0x710 [ 5893.434288][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.434288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.434288][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.434288][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.434288][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.434288][ T73] [ 5893.436515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.436515][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5893.436515][ T73] ipv6_find_idev+0x102/0x170 [ 5893.436515][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.436515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.436515][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.436515][ T73] netlink_unicast+0x449/0x710 [ 5893.436515][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.436515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.436515][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.436515][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.436515][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.436515][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.436515][ T73] [ 5893.438241][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5893.438241][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5893.438241][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5893.438241][ T73] ipv6_find_idev+0x102/0x170 [ 5893.438241][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.438241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.438241][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.438241][ T73] netlink_unicast+0x449/0x710 [ 5893.438241][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.438241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.438241][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.438241][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.438241][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.438241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.438241][ T73] [ 5893.440120][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5893.440391][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5893.440391][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.440391][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.440391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.440391][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5893.440391][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5893.440391][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5893.440391][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5893.440391][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5893.440391][ T73] addrconf_dad_begin+0x310/0x670 [ 5893.440391][ T73] addrconf_dad_work+0x10b/0xab0 [ 5893.440391][ T73] process_one_work+0x84d/0x18a0 [ 5893.440391][ T73] worker_thread+0x587/0xd30 [ 5893.440391][ T73] kthread+0x28a/0x350 [ 5893.440391][ T73] ret_from_fork+0x31/0x70 [ 5893.440391][ T73] ret_from_fork_asm+0x1a/0x30 [ 5893.440391][ T73] [ 5893.442618][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5893.442618][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.442618][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.442618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.442618][ T73] ip6_route_add+0x1c/0x140 [ 5893.442618][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5893.442618][ T73] inet6_addr_add+0x4f8/0xa40 [ 5893.442618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.442618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.442618][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.442618][ T73] netlink_unicast+0x449/0x710 [ 5893.442618][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.442618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.442618][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.442618][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.442618][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.442618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.442618][ T73] [ 5893.444876][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5893.444876][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.444876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.444876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.444876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5893.444876][ T73] ipv6_add_addr+0x411/0x2000 [ 5893.444876][ T73] inet6_addr_add+0x30e/0xa40 [ 5893.444876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.444876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.444876][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.444876][ T73] netlink_unicast+0x449/0x710 [ 5893.444876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.444876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.444876][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.444876][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.444876][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.444876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.444876][ T73] [ 5893.447127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5893.447127][ T73] netdev_get_by_index+0x5e/0x80 [ 5893.447127][ T73] fib6_nh_init+0x3d8/0x1580 [ 5893.447127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5893.447127][ T73] ip6_route_add+0x1c/0x140 [ 5893.447127][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5893.447127][ T73] addrconf_add_dev+0xe2/0x170 [ 5893.447127][ T73] inet6_addr_add+0x12f/0xa40 [ 5893.447127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.447127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.447127][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.447127][ T73] netlink_unicast+0x449/0x710 [ 5893.447127][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.447127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.447127][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.447127][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.447127][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.447127][ T73] [ 5893.449293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5893.449293][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5893.449293][ T73] ipv6_find_idev+0x102/0x170 [ 5893.449293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.449293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.449293][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.449293][ T73] netlink_unicast+0x449/0x710 [ 5893.449293][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.449293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.449293][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.449293][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.449293][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.449293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.449293][ T73] [ 5893.451080][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5893.451080][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5893.451080][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5893.451080][ T73] ipv6_find_idev+0x102/0x170 [ 5893.451080][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.451080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.451080][ T73] netlink_rcv_skb+0x130/0x360 [ 5893.451080][ T73] netlink_unicast+0x449/0x710 [ 5893.451080][ T73] netlink_sendmsg+0x723/0xbe0 [ 5893.451080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5893.451080][ T73] ___sys_sendmsg+0xee/0x170 [ 5893.451080][ T73] __sys_sendmsg+0xcd/0x170 [ 5893.451080][ T73] do_syscall_64+0xc6/0x1e0 [ 5893.451080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.451080][ T73] [ 5903.838930][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5903.839398][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.839398][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5903.839398][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5903.839398][ T73] fib6_nh_init+0xa22/0x1580 [ 5903.839398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.839398][ T73] ip6_route_add+0x1c/0x140 [ 5903.839398][ T73] inet6_rtm_newroute+0x104/0x110 [ 5903.839398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.839398][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.839398][ T73] netlink_unicast+0x449/0x710 [ 5903.839398][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.839398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.839398][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.839398][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.839398][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.839398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.839398][ T73] [ 5903.841272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.841272][ T73] dst_init+0x84/0x4a0 [ 5903.841272][ T73] dst_alloc+0x97/0x150 [ 5903.841272][ T73] ip6_dst_alloc+0x23/0x90 [ 5903.841272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5903.841272][ T73] ip6_pol_route+0x56f/0x840 [ 5903.841272][ T73] fib6_rule_lookup+0x456/0x630 [ 5903.841272][ T73] ip6_route_input+0x59c/0xa50 [ 5903.841272][ T73] ipv6_rcv+0x397/0x810 [ 5903.841272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5903.841272][ T73] process_backlog+0x101/0x620 [ 5903.841272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5903.841272][ T73] net_rx_action+0x495/0xbe0 [ 5903.841272][ T73] __do_softirq+0x1b5/0x7f6 [ 5903.841272][ T73] [ 5903.842867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.842867][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.842867][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.842867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.842867][ T73] ip6_route_add+0x1c/0x140 [ 5903.842867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5903.842867][ T73] inet6_addr_add+0x4f8/0xa40 [ 5903.842867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.842867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.842867][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.842867][ T73] netlink_unicast+0x449/0x710 [ 5903.842867][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.842867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.842867][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.842867][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.842867][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.842867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.842867][ T73] [ 5903.844878][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.844878][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.844878][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.844878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.844878][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5903.844878][ T73] ipv6_add_addr+0x411/0x2000 [ 5903.844878][ T73] inet6_addr_add+0x30e/0xa40 [ 5903.844878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.844878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.844878][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.844878][ T73] netlink_unicast+0x449/0x710 [ 5903.844878][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.844878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.844878][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.844878][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.844878][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.844878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.844878][ T73] [ 5903.846867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.846867][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.846867][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.846867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.846867][ T73] ip6_route_add+0x1c/0x140 [ 5903.846867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5903.846867][ T73] addrconf_add_dev+0xe2/0x170 [ 5903.846867][ T73] inet6_addr_add+0x12f/0xa40 [ 5903.846867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.846867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.846867][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.846867][ T73] netlink_unicast+0x449/0x710 [ 5903.846867][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.846867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.846867][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.846867][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.846867][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.846867][ T73] [ 5903.848828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.848828][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5903.848828][ T73] ipv6_find_idev+0x102/0x170 [ 5903.848828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.848828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.848828][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.848828][ T73] netlink_unicast+0x449/0x710 [ 5903.848828][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.848828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.848828][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.848828][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.848828][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.848828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.848828][ T73] [ 5903.850318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5903.850318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5903.850318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5903.850318][ T73] ipv6_find_idev+0x102/0x170 [ 5903.850318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.850318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.850318][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.850318][ T73] netlink_unicast+0x449/0x710 [ 5903.850318][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.850318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.850318][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.850318][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.850318][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.850318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.850318][ T73] [ 5903.852002][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5903.852270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.852270][ T73] dst_init+0x84/0x4a0 [ 5903.852270][ T73] dst_alloc+0x97/0x150 [ 5903.852270][ T73] ip6_dst_alloc+0x23/0x90 [ 5903.852270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5903.852270][ T73] ip6_pol_route+0x56f/0x840 [ 5903.852270][ T73] fib6_rule_lookup+0x456/0x630 [ 5903.852270][ T73] ip6_route_input+0x59c/0xa50 [ 5903.852270][ T73] ipv6_rcv+0x397/0x810 [ 5903.852270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5903.852270][ T73] process_backlog+0x101/0x620 [ 5903.852270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5903.852270][ T73] net_rx_action+0x495/0xbe0 [ 5903.852270][ T73] __do_softirq+0x1b5/0x7f6 [ 5903.852270][ T73] [ 5903.853924][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.853924][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.853924][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.853924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.853924][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5903.853924][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5903.853924][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5903.853924][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5903.853924][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5903.853924][ T73] addrconf_dad_begin+0x310/0x670 [ 5903.853924][ T73] addrconf_dad_work+0x10b/0xab0 [ 5903.853924][ T73] process_one_work+0x84d/0x18a0 [ 5903.853924][ T73] worker_thread+0x587/0xd30 [ 5903.853924][ T73] kthread+0x28a/0x350 [ 5903.853924][ T73] ret_from_fork+0x31/0x70 [ 5903.853924][ T73] ret_from_fork_asm+0x1a/0x30 [ 5903.853924][ T73] [ 5903.855824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.855824][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.855824][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.855824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.855824][ T73] ip6_route_add+0x1c/0x140 [ 5903.855824][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5903.855824][ T73] inet6_addr_add+0x4f8/0xa40 [ 5903.855824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.855824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.855824][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.855824][ T73] netlink_unicast+0x449/0x710 [ 5903.855824][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.855824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.855824][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.855824][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.855824][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.855824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.855824][ T73] [ 5903.857804][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.857804][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.857804][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.857804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.857804][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5903.857804][ T73] ipv6_add_addr+0x411/0x2000 [ 5903.857804][ T73] inet6_addr_add+0x30e/0xa40 [ 5903.857804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.857804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.857804][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.857804][ T73] netlink_unicast+0x449/0x710 [ 5903.857804][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.857804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.857804][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.857804][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.857804][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.857804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.857804][ T73] [ 5903.859785][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.859785][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.859785][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.859785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.859785][ T73] ip6_route_add+0x1c/0x140 [ 5903.859785][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5903.859785][ T73] addrconf_add_dev+0xe2/0x170 [ 5903.859785][ T73] inet6_addr_add+0x12f/0xa40 [ 5903.859785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.859785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.859785][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.859785][ T73] netlink_unicast+0x449/0x710 [ 5903.859785][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.859785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.859785][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.859785][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.859785][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.859785][ T73] [ 5903.861738][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.861738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5903.861738][ T73] ipv6_find_idev+0x102/0x170 [ 5903.861738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.861738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.861738][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.861738][ T73] netlink_unicast+0x449/0x710 [ 5903.861738][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.861738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.861738][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.861738][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.861738][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.861738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.861738][ T73] [ 5903.863264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5903.863264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5903.863264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5903.863264][ T73] ipv6_find_idev+0x102/0x170 [ 5903.863264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.863264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.863264][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.863264][ T73] netlink_unicast+0x449/0x710 [ 5903.863264][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.863264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.863264][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.863264][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.863264][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.863264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.863264][ T73] [ 5903.864990][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5903.865252][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.865252][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5903.865252][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5903.865252][ T73] fib6_nh_init+0xa22/0x1580 [ 5903.865252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.865252][ T73] ip6_route_add+0x1c/0x140 [ 5903.865252][ T73] inet6_rtm_newroute+0x104/0x110 [ 5903.865252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.865252][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.865252][ T73] netlink_unicast+0x449/0x710 [ 5903.865252][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.865252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.865252][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.865252][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.865252][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.865252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.865252][ T73] [ 5903.867424][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.867424][ T73] dst_init+0x84/0x4a0 [ 5903.867424][ T73] dst_alloc+0x97/0x150 [ 5903.867424][ T73] ip6_dst_alloc+0x23/0x90 [ 5903.867424][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5903.867424][ T73] ip6_pol_route+0x56f/0x840 [ 5903.867424][ T73] fib6_rule_lookup+0x456/0x630 [ 5903.867424][ T73] ip6_route_input+0x59c/0xa50 [ 5903.867424][ T73] ipv6_rcv+0x397/0x810 [ 5903.867424][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5903.867424][ T73] process_backlog+0x101/0x620 [ 5903.867424][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5903.867424][ T73] net_rx_action+0x495/0xbe0 [ 5903.867424][ T73] __do_softirq+0x1b5/0x7f6 [ 5903.867424][ T73] [ 5903.869223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.869223][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.869223][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.869223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.869223][ T73] ip6_route_add+0x1c/0x140 [ 5903.869223][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5903.869223][ T73] inet6_addr_add+0x4f8/0xa40 [ 5903.869223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.869223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.869223][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.869223][ T73] netlink_unicast+0x449/0x710 [ 5903.869223][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.869223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.869223][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.869223][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.869223][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.869223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.869223][ T73] [ 5903.871443][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.871443][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.871443][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.871443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.871443][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5903.871443][ T73] ipv6_add_addr+0x411/0x2000 [ 5903.871443][ T73] inet6_addr_add+0x30e/0xa40 [ 5903.871443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.871443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.871443][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.871443][ T73] netlink_unicast+0x449/0x710 [ 5903.871443][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.871443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.871443][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.871443][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.871443][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.871443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.871443][ T73] [ 5903.874190][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.874190][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.874190][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.874190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.874190][ T73] ip6_route_add+0x1c/0x140 [ 5903.874190][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5903.874190][ T73] addrconf_add_dev+0xe2/0x170 [ 5903.874190][ T73] inet6_addr_add+0x12f/0xa40 [ 5903.874190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.874190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.874190][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.874190][ T73] netlink_unicast+0x449/0x710 [ 5903.874190][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.874190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.874190][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.874190][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.874190][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.874190][ T73] [ 5903.876447][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.876447][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5903.876447][ T73] ipv6_find_idev+0x102/0x170 [ 5903.876447][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.876447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.876447][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.876447][ T73] netlink_unicast+0x449/0x710 [ 5903.876447][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.876447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.876447][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.876447][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.876447][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.876447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.876447][ T73] [ 5903.878151][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5903.878151][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5903.878151][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5903.878151][ T73] ipv6_find_idev+0x102/0x170 [ 5903.878151][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.878151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.878151][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.878151][ T73] netlink_unicast+0x449/0x710 [ 5903.878151][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.878151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.878151][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.878151][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.878151][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.878151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.878151][ T73] [ 5903.880004][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5903.880276][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5903.880276][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.880276][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.880276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.880276][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5903.880276][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5903.880276][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5903.880276][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5903.880276][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5903.880276][ T73] addrconf_dad_begin+0x310/0x670 [ 5903.880276][ T73] addrconf_dad_work+0x10b/0xab0 [ 5903.880276][ T73] process_one_work+0x84d/0x18a0 [ 5903.880276][ T73] worker_thread+0x587/0xd30 [ 5903.880276][ T73] kthread+0x28a/0x350 [ 5903.880276][ T73] ret_from_fork+0x31/0x70 [ 5903.880276][ T73] ret_from_fork_asm+0x1a/0x30 [ 5903.880276][ T73] [ 5903.882414][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5903.882414][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.882414][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.882414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.882414][ T73] ip6_route_add+0x1c/0x140 [ 5903.882414][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5903.882414][ T73] inet6_addr_add+0x4f8/0xa40 [ 5903.882414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.882414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.882414][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.882414][ T73] netlink_unicast+0x449/0x710 [ 5903.882414][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.882414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.882414][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.882414][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.882414][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.882414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.882414][ T73] [ 5903.884636][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5903.884636][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.884636][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.884636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.884636][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5903.884636][ T73] ipv6_add_addr+0x411/0x2000 [ 5903.884636][ T73] inet6_addr_add+0x30e/0xa40 [ 5903.884636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.884636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.884636][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.884636][ T73] netlink_unicast+0x449/0x710 [ 5903.884636][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.884636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.884636][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.884636][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.884636][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.884636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.884636][ T73] [ 5903.886913][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5903.886913][ T73] netdev_get_by_index+0x5e/0x80 [ 5903.886913][ T73] fib6_nh_init+0x3d8/0x1580 [ 5903.886913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5903.886913][ T73] ip6_route_add+0x1c/0x140 [ 5903.886913][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5903.886913][ T73] addrconf_add_dev+0xe2/0x170 [ 5903.886913][ T73] inet6_addr_add+0x12f/0xa40 [ 5903.886913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.886913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.886913][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.886913][ T73] netlink_unicast+0x449/0x710 [ 5903.886913][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.886913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.886913][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.886913][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.886913][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.886913][ T73] [ 5903.889036][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5903.889036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5903.889036][ T73] ipv6_find_idev+0x102/0x170 [ 5903.889036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.889036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.889036][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.889036][ T73] netlink_unicast+0x449/0x710 [ 5903.889036][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.889036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.889036][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.889036][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.889036][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.889036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.889036][ T73] [ 5903.890740][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5903.890740][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5903.890740][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5903.890740][ T73] ipv6_find_idev+0x102/0x170 [ 5903.890740][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.890740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.890740][ T73] netlink_rcv_skb+0x130/0x360 [ 5903.890740][ T73] netlink_unicast+0x449/0x710 [ 5903.890740][ T73] netlink_sendmsg+0x723/0xbe0 [ 5903.890740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5903.890740][ T73] ___sys_sendmsg+0xee/0x170 [ 5903.890740][ T73] __sys_sendmsg+0xcd/0x170 [ 5903.890740][ T73] do_syscall_64+0xc6/0x1e0 [ 5903.890740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.890740][ T73] [ 5914.006895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5914.007359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.007359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5914.007359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5914.007359][ T73] fib6_nh_init+0xa22/0x1580 [ 5914.007359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.007359][ T73] ip6_route_add+0x1c/0x140 [ 5914.007359][ T73] inet6_rtm_newroute+0x104/0x110 [ 5914.007359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.007359][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.007359][ T73] netlink_unicast+0x449/0x710 [ 5914.007359][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.007359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.007359][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.007359][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.007359][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.007359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.007359][ T73] [ 5914.009245][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.009245][ T73] dst_init+0x84/0x4a0 [ 5914.009245][ T73] dst_alloc+0x97/0x150 [ 5914.009245][ T73] ip6_dst_alloc+0x23/0x90 [ 5914.009245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5914.009245][ T73] ip6_pol_route+0x56f/0x840 [ 5914.009245][ T73] fib6_rule_lookup+0x456/0x630 [ 5914.009245][ T73] ip6_route_input+0x59c/0xa50 [ 5914.009245][ T73] ipv6_rcv+0x397/0x810 [ 5914.009245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5914.009245][ T73] process_backlog+0x101/0x620 [ 5914.009245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5914.009245][ T73] net_rx_action+0x495/0xbe0 [ 5914.009245][ T73] __do_softirq+0x1b5/0x7f6 [ 5914.009245][ T73] [ 5914.010906][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.010906][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.010906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.010906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.010906][ T73] ip6_route_add+0x1c/0x140 [ 5914.010906][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5914.010906][ T73] inet6_addr_add+0x4f8/0xa40 [ 5914.010906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.010906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.010906][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.010906][ T73] netlink_unicast+0x449/0x710 [ 5914.010906][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.010906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.010906][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.010906][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.010906][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.010906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.010906][ T73] [ 5914.012900][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.012900][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.012900][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.012900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.012900][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5914.012900][ T73] ipv6_add_addr+0x411/0x2000 [ 5914.012900][ T73] inet6_addr_add+0x30e/0xa40 [ 5914.012900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.012900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.012900][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.012900][ T73] netlink_unicast+0x449/0x710 [ 5914.012900][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.012900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.012900][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.012900][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.012900][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.012900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.012900][ T73] [ 5914.014861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.014861][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.014861][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.014861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.014861][ T73] ip6_route_add+0x1c/0x140 [ 5914.014861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5914.014861][ T73] addrconf_add_dev+0xe2/0x170 [ 5914.014861][ T73] inet6_addr_add+0x12f/0xa40 [ 5914.014861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.014861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.014861][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.014861][ T73] netlink_unicast+0x449/0x710 [ 5914.014861][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.014861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.014861][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.014861][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.014861][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.014861][ T73] [ 5914.016788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.016788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5914.016788][ T73] ipv6_find_idev+0x102/0x170 [ 5914.016788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.016788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.016788][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.016788][ T73] netlink_unicast+0x449/0x710 [ 5914.016788][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.016788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.016788][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.016788][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.016788][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.016788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.016788][ T73] [ 5914.018341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5914.018341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5914.018341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5914.018341][ T73] ipv6_find_idev+0x102/0x170 [ 5914.018341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.018341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.018341][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.018341][ T73] netlink_unicast+0x449/0x710 [ 5914.018341][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.018341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.018341][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.018341][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.018341][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.018341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.018341][ T73] [ 5914.020043][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5914.020331][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.020331][ T73] dst_init+0x84/0x4a0 [ 5914.020331][ T73] dst_alloc+0x97/0x150 [ 5914.020331][ T73] ip6_dst_alloc+0x23/0x90 [ 5914.020331][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5914.020331][ T73] ip6_pol_route+0x56f/0x840 [ 5914.020331][ T73] fib6_rule_lookup+0x456/0x630 [ 5914.020331][ T73] ip6_route_input+0x59c/0xa50 [ 5914.020331][ T73] ipv6_rcv+0x397/0x810 [ 5914.020331][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5914.020331][ T73] process_backlog+0x101/0x620 [ 5914.020331][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5914.020331][ T73] net_rx_action+0x495/0xbe0 [ 5914.020331][ T73] __do_softirq+0x1b5/0x7f6 [ 5914.020331][ T73] [ 5914.021982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.021982][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.021982][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.021982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.021982][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5914.021982][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5914.021982][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5914.021982][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5914.021982][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5914.021982][ T73] addrconf_dad_begin+0x310/0x670 [ 5914.021982][ T73] addrconf_dad_work+0x10b/0xab0 [ 5914.021982][ T73] process_one_work+0x84d/0x18a0 [ 5914.021982][ T73] worker_thread+0x587/0xd30 [ 5914.021982][ T73] kthread+0x28a/0x350 [ 5914.021982][ T73] ret_from_fork+0x31/0x70 [ 5914.021982][ T73] ret_from_fork_asm+0x1a/0x30 [ 5914.021982][ T73] [ 5914.023913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.023913][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.023913][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.023913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.023913][ T73] ip6_route_add+0x1c/0x140 [ 5914.023913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5914.023913][ T73] inet6_addr_add+0x4f8/0xa40 [ 5914.023913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.023913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.023913][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.023913][ T73] netlink_unicast+0x449/0x710 [ 5914.023913][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.023913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.023913][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.023913][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.023913][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.023913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.023913][ T73] [ 5914.025919][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.025919][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.025919][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.025919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.025919][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5914.025919][ T73] ipv6_add_addr+0x411/0x2000 [ 5914.025919][ T73] inet6_addr_add+0x30e/0xa40 [ 5914.025919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.025919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.025919][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.025919][ T73] netlink_unicast+0x449/0x710 [ 5914.025919][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.025919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.025919][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.025919][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.025919][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.025919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.025919][ T73] [ 5914.028316][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.028316][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.028316][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.028316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.028316][ T73] ip6_route_add+0x1c/0x140 [ 5914.028316][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5914.028316][ T73] addrconf_add_dev+0xe2/0x170 [ 5914.028316][ T73] inet6_addr_add+0x12f/0xa40 [ 5914.028316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.028316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.028316][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.028316][ T73] netlink_unicast+0x449/0x710 [ 5914.028316][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.028316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.028316][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.028316][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.028316][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.028316][ T73] [ 5914.030290][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.030290][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5914.030290][ T73] ipv6_find_idev+0x102/0x170 [ 5914.030290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.030290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.030290][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.030290][ T73] netlink_unicast+0x449/0x710 [ 5914.030290][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.030290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.030290][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.030290][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.030290][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.030290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.030290][ T73] [ 5914.031831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5914.031831][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5914.031831][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5914.031831][ T73] ipv6_find_idev+0x102/0x170 [ 5914.031831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.031831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.031831][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.031831][ T73] netlink_unicast+0x449/0x710 [ 5914.031831][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.031831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.031831][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.031831][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.031831][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.031831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.031831][ T73] [ 5914.033603][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5914.033956][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.033956][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5914.033956][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5914.033956][ T73] fib6_nh_init+0xa22/0x1580 [ 5914.033956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.033956][ T73] ip6_route_add+0x1c/0x140 [ 5914.033956][ T73] inet6_rtm_newroute+0x104/0x110 [ 5914.033956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.033956][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.033956][ T73] netlink_unicast+0x449/0x710 [ 5914.033956][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.033956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.033956][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.033956][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.033956][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.033956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.033956][ T73] [ 5914.035902][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.035902][ T73] dst_init+0x84/0x4a0 [ 5914.035902][ T73] dst_alloc+0x97/0x150 [ 5914.035902][ T73] ip6_dst_alloc+0x23/0x90 [ 5914.035902][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5914.035902][ T73] ip6_pol_route+0x56f/0x840 [ 5914.035902][ T73] fib6_rule_lookup+0x456/0x630 [ 5914.035902][ T73] ip6_route_input+0x59c/0xa50 [ 5914.035902][ T73] ipv6_rcv+0x397/0x810 [ 5914.035902][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5914.035902][ T73] process_backlog+0x101/0x620 [ 5914.035902][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5914.035902][ T73] net_rx_action+0x495/0xbe0 [ 5914.035902][ T73] __do_softirq+0x1b5/0x7f6 [ 5914.035902][ T73] [ 5914.037668][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.037668][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.037668][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.037668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.037668][ T73] ip6_route_add+0x1c/0x140 [ 5914.037668][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5914.037668][ T73] inet6_addr_add+0x4f8/0xa40 [ 5914.037668][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.037668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.037668][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.037668][ T73] netlink_unicast+0x449/0x710 [ 5914.037668][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.037668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.037668][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.037668][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.037668][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.037668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.037668][ T73] [ 5914.039798][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.039798][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.039798][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.039798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.039798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5914.039798][ T73] ipv6_add_addr+0x411/0x2000 [ 5914.039798][ T73] inet6_addr_add+0x30e/0xa40 [ 5914.039798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.039798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.039798][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.039798][ T73] netlink_unicast+0x449/0x710 [ 5914.039798][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.039798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.039798][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.039798][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.039798][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.039798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.039798][ T73] [ 5914.041926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.041926][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.041926][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.041926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.041926][ T73] ip6_route_add+0x1c/0x140 [ 5914.041926][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5914.041926][ T73] addrconf_add_dev+0xe2/0x170 [ 5914.041926][ T73] inet6_addr_add+0x12f/0xa40 [ 5914.041926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.041926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.041926][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.041926][ T73] netlink_unicast+0x449/0x710 [ 5914.041926][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.041926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.041926][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.041926][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.041926][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.041926][ T73] [ 5914.044024][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.044024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5914.044024][ T73] ipv6_find_idev+0x102/0x170 [ 5914.044024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.044024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.044024][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.044024][ T73] netlink_unicast+0x449/0x710 [ 5914.044024][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.044024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.044024][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.044024][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.044024][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.044024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.044024][ T73] [ 5914.045624][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5914.045624][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5914.045624][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5914.045624][ T73] ipv6_find_idev+0x102/0x170 [ 5914.045624][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.045624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.045624][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.045624][ T73] netlink_unicast+0x449/0x710 [ 5914.045624][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.045624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.045624][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.045624][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.045624][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.045624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.045624][ T73] [ 5914.047442][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5914.047729][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5914.047729][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.047729][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.047729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.047729][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5914.047729][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5914.047729][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5914.047729][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5914.047729][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5914.047729][ T73] addrconf_dad_begin+0x310/0x670 [ 5914.047729][ T73] addrconf_dad_work+0x10b/0xab0 [ 5914.047729][ T73] process_one_work+0x84d/0x18a0 [ 5914.047729][ T73] worker_thread+0x587/0xd30 [ 5914.047729][ T73] kthread+0x28a/0x350 [ 5914.047729][ T73] ret_from_fork+0x31/0x70 [ 5914.047729][ T73] ret_from_fork_asm+0x1a/0x30 [ 5914.047729][ T73] [ 5914.049771][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5914.049771][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.049771][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.049771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.049771][ T73] ip6_route_add+0x1c/0x140 [ 5914.049771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5914.049771][ T73] inet6_addr_add+0x4f8/0xa40 [ 5914.049771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.049771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.049771][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.049771][ T73] netlink_unicast+0x449/0x710 [ 5914.049771][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.049771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.049771][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.049771][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.049771][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.049771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.049771][ T73] [ 5914.051906][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5914.051906][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.051906][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.051906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.051906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5914.051906][ T73] ipv6_add_addr+0x411/0x2000 [ 5914.051906][ T73] inet6_addr_add+0x30e/0xa40 [ 5914.051906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.051906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.051906][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.051906][ T73] netlink_unicast+0x449/0x710 [ 5914.051906][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.051906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.051906][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.051906][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.051906][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.051906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.051906][ T73] [ 5914.054050][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5914.054050][ T73] netdev_get_by_index+0x5e/0x80 [ 5914.054050][ T73] fib6_nh_init+0x3d8/0x1580 [ 5914.054050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5914.054050][ T73] ip6_route_add+0x1c/0x140 [ 5914.054050][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5914.054050][ T73] addrconf_add_dev+0xe2/0x170 [ 5914.054050][ T73] inet6_addr_add+0x12f/0xa40 [ 5914.054050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5914.054050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.054050][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.054050][ T73] netlink_unicast+0x449/0x710 [ 5914.054050][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.054050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.054050][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.054050][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.054050][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.054050][ T73] [ 5914.056079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5914.056079][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5914.056079][ T73] ipv6_find_idev+0x102/0x170 [ 5914.056079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.056079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.056079][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.056079][ T73] netlink_unicast+0x449/0x710 [ 5914.056079][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.056079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.056079][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.056079][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.056079][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.056079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.056079][ T73] [ 5914.057748][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5914.057748][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5914.057748][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5914.057748][ T73] ipv6_find_idev+0x102/0x170 [ 5914.057748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5914.057748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5914.057748][ T73] netlink_rcv_skb+0x130/0x360 [ 5914.057748][ T73] netlink_unicast+0x449/0x710 [ 5914.057748][ T73] netlink_sendmsg+0x723/0xbe0 [ 5914.057748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5914.057748][ T73] ___sys_sendmsg+0xee/0x170 [ 5914.057748][ T73] __sys_sendmsg+0xcd/0x170 [ 5914.057748][ T73] do_syscall_64+0xc6/0x1e0 [ 5914.057748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5914.057748][ T73] [ 5924.302956][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5924.303425][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.303425][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5924.303425][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5924.303425][ T73] fib6_nh_init+0xa22/0x1580 [ 5924.303425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.303425][ T73] ip6_route_add+0x1c/0x140 [ 5924.303425][ T73] inet6_rtm_newroute+0x104/0x110 [ 5924.303425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.303425][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.303425][ T73] netlink_unicast+0x449/0x710 [ 5924.303425][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.303425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.303425][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.303425][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.303425][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.303425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.303425][ T73] [ 5924.305339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.305339][ T73] dst_init+0x84/0x4a0 [ 5924.305339][ T73] dst_alloc+0x97/0x150 [ 5924.305339][ T73] ip6_dst_alloc+0x23/0x90 [ 5924.305339][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5924.305339][ T73] ip6_pol_route+0x56f/0x840 [ 5924.305339][ T73] fib6_rule_lookup+0x456/0x630 [ 5924.305339][ T73] ip6_route_input+0x59c/0xa50 [ 5924.305339][ T73] ipv6_rcv+0x397/0x810 [ 5924.305339][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5924.305339][ T73] process_backlog+0x101/0x620 [ 5924.305339][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5924.305339][ T73] net_rx_action+0x495/0xbe0 [ 5924.305339][ T73] __do_softirq+0x1b5/0x7f6 [ 5924.305339][ T73] [ 5924.306993][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.306993][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.306993][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.306993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.306993][ T73] ip6_route_add+0x1c/0x140 [ 5924.306993][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5924.306993][ T73] inet6_addr_add+0x4f8/0xa40 [ 5924.306993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.306993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.306993][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.306993][ T73] netlink_unicast+0x449/0x710 [ 5924.306993][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.306993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.306993][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.306993][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.306993][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.306993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.306993][ T73] [ 5924.309001][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.309001][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.309001][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.309001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.309001][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5924.309001][ T73] ipv6_add_addr+0x411/0x2000 [ 5924.309001][ T73] inet6_addr_add+0x30e/0xa40 [ 5924.309001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.309001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.309001][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.309001][ T73] netlink_unicast+0x449/0x710 [ 5924.309001][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.309001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.309001][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.309001][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.309001][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.309001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.309001][ T73] [ 5924.310973][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.310973][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.310973][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.310973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.310973][ T73] ip6_route_add+0x1c/0x140 [ 5924.310973][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5924.310973][ T73] addrconf_add_dev+0xe2/0x170 [ 5924.310973][ T73] inet6_addr_add+0x12f/0xa40 [ 5924.310973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.310973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.310973][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.310973][ T73] netlink_unicast+0x449/0x710 [ 5924.310973][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.310973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.310973][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.310973][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.310973][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.310973][ T73] [ 5924.312955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.312955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5924.312955][ T73] ipv6_find_idev+0x102/0x170 [ 5924.312955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.312955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.312955][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.312955][ T73] netlink_unicast+0x449/0x710 [ 5924.312955][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.312955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.312955][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.312955][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.312955][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.312955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.312955][ T73] [ 5924.314537][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5924.314537][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5924.314537][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5924.314537][ T73] ipv6_find_idev+0x102/0x170 [ 5924.314537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.314537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.314537][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.314537][ T73] netlink_unicast+0x449/0x710 [ 5924.314537][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.314537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.314537][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.314537][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.314537][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.314537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.314537][ T73] [ 5924.316285][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5924.316574][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.316574][ T73] dst_init+0x84/0x4a0 [ 5924.316574][ T73] dst_alloc+0x97/0x150 [ 5924.316574][ T73] ip6_dst_alloc+0x23/0x90 [ 5924.316574][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5924.316574][ T73] ip6_pol_route+0x56f/0x840 [ 5924.316574][ T73] fib6_rule_lookup+0x456/0x630 [ 5924.316574][ T73] ip6_route_input+0x59c/0xa50 [ 5924.316574][ T73] ipv6_rcv+0x397/0x810 [ 5924.316574][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5924.316574][ T73] process_backlog+0x101/0x620 [ 5924.316574][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5924.316574][ T73] net_rx_action+0x495/0xbe0 [ 5924.316574][ T73] __do_softirq+0x1b5/0x7f6 [ 5924.316574][ T73] [ 5924.318239][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.318239][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.318239][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.318239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.318239][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5924.318239][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5924.318239][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5924.318239][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5924.318239][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5924.318239][ T73] addrconf_dad_begin+0x310/0x670 [ 5924.318239][ T73] addrconf_dad_work+0x10b/0xab0 [ 5924.318239][ T73] process_one_work+0x84d/0x18a0 [ 5924.318239][ T73] worker_thread+0x587/0xd30 [ 5924.318239][ T73] kthread+0x28a/0x350 [ 5924.318239][ T73] ret_from_fork+0x31/0x70 [ 5924.318239][ T73] ret_from_fork_asm+0x1a/0x30 [ 5924.318239][ T73] [ 5924.320160][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.320160][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.320160][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.320160][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.320160][ T73] ip6_route_add+0x1c/0x140 [ 5924.320160][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5924.320160][ T73] inet6_addr_add+0x4f8/0xa40 [ 5924.320160][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.320160][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.320160][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.320160][ T73] netlink_unicast+0x449/0x710 [ 5924.320160][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.320160][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.320160][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.320160][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.320160][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.320160][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.320160][ T73] [ 5924.322180][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.322180][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.322180][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.322180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.322180][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5924.322180][ T73] ipv6_add_addr+0x411/0x2000 [ 5924.322180][ T73] inet6_addr_add+0x30e/0xa40 [ 5924.322180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.322180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.322180][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.322180][ T73] netlink_unicast+0x449/0x710 [ 5924.322180][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.322180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.322180][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.322180][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.322180][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.322180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.322180][ T73] [ 5924.324192][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.324192][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.324192][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.324192][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.324192][ T73] ip6_route_add+0x1c/0x140 [ 5924.324192][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5924.324192][ T73] addrconf_add_dev+0xe2/0x170 [ 5924.324192][ T73] inet6_addr_add+0x12f/0xa40 [ 5924.324192][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.324192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.324192][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.324192][ T73] netlink_unicast+0x449/0x710 [ 5924.324192][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.324192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.324192][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.324192][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.324192][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.324192][ T73] [ 5924.326162][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.326162][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5924.326162][ T73] ipv6_find_idev+0x102/0x170 [ 5924.326162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.326162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.326162][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.326162][ T73] netlink_unicast+0x449/0x710 [ 5924.326162][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.326162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.326162][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.326162][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.326162][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.326162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.326162][ T73] [ 5924.327724][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5924.327724][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5924.327724][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5924.327724][ T73] ipv6_find_idev+0x102/0x170 [ 5924.327724][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.327724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.327724][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.327724][ T73] netlink_unicast+0x449/0x710 [ 5924.327724][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.327724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.327724][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.327724][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.327724][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.327724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.327724][ T73] [ 5924.329551][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5924.329910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.329910][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5924.329910][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5924.329910][ T73] fib6_nh_init+0xa22/0x1580 [ 5924.329910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.329910][ T73] ip6_route_add+0x1c/0x140 [ 5924.329910][ T73] inet6_rtm_newroute+0x104/0x110 [ 5924.329910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.329910][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.329910][ T73] netlink_unicast+0x449/0x710 [ 5924.329910][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.329910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.329910][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.329910][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.329910][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.329910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.329910][ T73] [ 5924.332075][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.332075][ T73] dst_init+0x84/0x4a0 [ 5924.332075][ T73] dst_alloc+0x97/0x150 [ 5924.332075][ T73] ip6_dst_alloc+0x23/0x90 [ 5924.332075][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5924.332075][ T73] ip6_pol_route+0x56f/0x840 [ 5924.332075][ T73] fib6_rule_lookup+0x456/0x630 [ 5924.332075][ T73] ip6_route_input+0x59c/0xa50 [ 5924.332075][ T73] ipv6_rcv+0x397/0x810 [ 5924.332075][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5924.332075][ T73] process_backlog+0x101/0x620 [ 5924.332075][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5924.332075][ T73] net_rx_action+0x495/0xbe0 [ 5924.332075][ T73] __do_softirq+0x1b5/0x7f6 [ 5924.332075][ T73] [ 5924.333920][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.333920][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.333920][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.333920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.333920][ T73] ip6_route_add+0x1c/0x140 [ 5924.333920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5924.333920][ T73] inet6_addr_add+0x4f8/0xa40 [ 5924.333920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.333920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.333920][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.333920][ T73] netlink_unicast+0x449/0x710 [ 5924.333920][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.333920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.333920][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.333920][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.333920][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.333920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.333920][ T73] [ 5924.336141][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.336141][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.336141][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.336141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.336141][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5924.336141][ T73] ipv6_add_addr+0x411/0x2000 [ 5924.336141][ T73] inet6_addr_add+0x30e/0xa40 [ 5924.336141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.336141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.336141][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.336141][ T73] netlink_unicast+0x449/0x710 [ 5924.336141][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.336141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.336141][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.336141][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.336141][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.336141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.336141][ T73] [ 5924.338901][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.338901][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.338901][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.338901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.338901][ T73] ip6_route_add+0x1c/0x140 [ 5924.338901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5924.338901][ T73] addrconf_add_dev+0xe2/0x170 [ 5924.338901][ T73] inet6_addr_add+0x12f/0xa40 [ 5924.338901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.338901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.338901][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.338901][ T73] netlink_unicast+0x449/0x710 [ 5924.338901][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.338901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.338901][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.338901][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.338901][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.338901][ T73] [ 5924.341138][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.341138][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5924.341138][ T73] ipv6_find_idev+0x102/0x170 [ 5924.341138][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.341138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.341138][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.341138][ T73] netlink_unicast+0x449/0x710 [ 5924.341138][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.341138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.341138][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.341138][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.341138][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.341138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.341138][ T73] [ 5924.342876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5924.342876][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5924.342876][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5924.342876][ T73] ipv6_find_idev+0x102/0x170 [ 5924.342876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.342876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.342876][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.342876][ T73] netlink_unicast+0x449/0x710 [ 5924.342876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.342876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.342876][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.342876][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.342876][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.342876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.342876][ T73] [ 5924.344801][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5924.345080][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5924.345080][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.345080][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.345080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.345080][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5924.345080][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5924.345080][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5924.345080][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5924.345080][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5924.345080][ T73] addrconf_dad_begin+0x310/0x670 [ 5924.345080][ T73] addrconf_dad_work+0x10b/0xab0 [ 5924.345080][ T73] process_one_work+0x84d/0x18a0 [ 5924.345080][ T73] worker_thread+0x587/0xd30 [ 5924.345080][ T73] kthread+0x28a/0x350 [ 5924.345080][ T73] ret_from_fork+0x31/0x70 [ 5924.345080][ T73] ret_from_fork_asm+0x1a/0x30 [ 5924.345080][ T73] [ 5924.347241][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5924.347241][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.347241][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.347241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.347241][ T73] ip6_route_add+0x1c/0x140 [ 5924.347241][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5924.347241][ T73] inet6_addr_add+0x4f8/0xa40 [ 5924.347241][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.347241][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.347241][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.347241][ T73] netlink_unicast+0x449/0x710 [ 5924.347241][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.347241][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.347241][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.347241][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.347241][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.347241][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.347241][ T73] [ 5924.349886][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5924.349886][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.349886][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.349886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.349886][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5924.349886][ T73] ipv6_add_addr+0x411/0x2000 [ 5924.349886][ T73] inet6_addr_add+0x30e/0xa40 [ 5924.349886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.349886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.349886][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.349886][ T73] netlink_unicast+0x449/0x710 [ 5924.349886][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.349886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.349886][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.349886][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.349886][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.349886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.349886][ T73] [ 5924.352197][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5924.352197][ T73] netdev_get_by_index+0x5e/0x80 [ 5924.352197][ T73] fib6_nh_init+0x3d8/0x1580 [ 5924.352197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5924.352197][ T73] ip6_route_add+0x1c/0x140 [ 5924.352197][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5924.352197][ T73] addrconf_add_dev+0xe2/0x170 [ 5924.352197][ T73] inet6_addr_add+0x12f/0xa40 [ 5924.352197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5924.352197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.352197][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.352197][ T73] netlink_unicast+0x449/0x710 [ 5924.352197][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.352197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.352197][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.352197][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.352197][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.352197][ T73] [ 5924.354354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5924.354354][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5924.354354][ T73] ipv6_find_idev+0x102/0x170 [ 5924.354354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.354354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.354354][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.354354][ T73] netlink_unicast+0x449/0x710 [ 5924.354354][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.354354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.354354][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.354354][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.354354][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.354354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.354354][ T73] [ 5924.356079][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5924.356079][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5924.356079][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5924.356079][ T73] ipv6_find_idev+0x102/0x170 [ 5924.356079][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5924.356079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5924.356079][ T73] netlink_rcv_skb+0x130/0x360 [ 5924.356079][ T73] netlink_unicast+0x449/0x710 [ 5924.356079][ T73] netlink_sendmsg+0x723/0xbe0 [ 5924.356079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5924.356079][ T73] ___sys_sendmsg+0xee/0x170 [ 5924.356079][ T73] __sys_sendmsg+0xcd/0x170 [ 5924.356079][ T73] do_syscall_64+0xc6/0x1e0 [ 5924.356079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5924.356079][ T73] [ 5934.598916][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5934.599361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.599361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5934.599361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5934.599361][ T73] fib6_nh_init+0xa22/0x1580 [ 5934.599361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.599361][ T73] ip6_route_add+0x1c/0x140 [ 5934.599361][ T73] inet6_rtm_newroute+0x104/0x110 [ 5934.599361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.599361][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.599361][ T73] netlink_unicast+0x449/0x710 [ 5934.599361][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.599361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.599361][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.599361][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.599361][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.599361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.599361][ T73] [ 5934.601247][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.601247][ T73] dst_init+0x84/0x4a0 [ 5934.601247][ T73] dst_alloc+0x97/0x150 [ 5934.601247][ T73] ip6_dst_alloc+0x23/0x90 [ 5934.601247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5934.601247][ T73] ip6_pol_route+0x56f/0x840 [ 5934.601247][ T73] fib6_rule_lookup+0x456/0x630 [ 5934.601247][ T73] ip6_route_input+0x59c/0xa50 [ 5934.601247][ T73] ipv6_rcv+0x397/0x810 [ 5934.601247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5934.601247][ T73] process_backlog+0x101/0x620 [ 5934.601247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5934.601247][ T73] net_rx_action+0x495/0xbe0 [ 5934.601247][ T73] __do_softirq+0x1b5/0x7f6 [ 5934.601247][ T73] [ 5934.602881][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.602881][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.602881][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.602881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.602881][ T73] ip6_route_add+0x1c/0x140 [ 5934.602881][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5934.602881][ T73] inet6_addr_add+0x4f8/0xa40 [ 5934.602881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.602881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.602881][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.602881][ T73] netlink_unicast+0x449/0x710 [ 5934.602881][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.602881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.602881][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.602881][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.602881][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.602881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.602881][ T73] [ 5934.604876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.604876][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.604876][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.604876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.604876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5934.604876][ T73] ipv6_add_addr+0x411/0x2000 [ 5934.604876][ T73] inet6_addr_add+0x30e/0xa40 [ 5934.604876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.604876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.604876][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.604876][ T73] netlink_unicast+0x449/0x710 [ 5934.604876][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.604876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.604876][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.604876][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.604876][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.604876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.604876][ T73] [ 5934.606864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.606864][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.606864][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.606864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.606864][ T73] ip6_route_add+0x1c/0x140 [ 5934.606864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5934.606864][ T73] addrconf_add_dev+0xe2/0x170 [ 5934.606864][ T73] inet6_addr_add+0x12f/0xa40 [ 5934.606864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.606864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.606864][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.606864][ T73] netlink_unicast+0x449/0x710 [ 5934.606864][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.606864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.606864][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.606864][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.606864][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.606864][ T73] [ 5934.608820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.608820][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5934.608820][ T73] ipv6_find_idev+0x102/0x170 [ 5934.608820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.608820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.608820][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.608820][ T73] netlink_unicast+0x449/0x710 [ 5934.608820][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.608820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.608820][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.608820][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.608820][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.608820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.608820][ T73] [ 5934.610353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5934.610353][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5934.610353][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5934.610353][ T73] ipv6_find_idev+0x102/0x170 [ 5934.610353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.610353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.610353][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.610353][ T73] netlink_unicast+0x449/0x710 [ 5934.610353][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.610353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.610353][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.610353][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.610353][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.610353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.610353][ T73] [ 5934.612034][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5934.612312][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.612312][ T73] dst_init+0x84/0x4a0 [ 5934.612312][ T73] dst_alloc+0x97/0x150 [ 5934.612312][ T73] ip6_dst_alloc+0x23/0x90 [ 5934.612312][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5934.612312][ T73] ip6_pol_route+0x56f/0x840 [ 5934.612312][ T73] fib6_rule_lookup+0x456/0x630 [ 5934.612312][ T73] ip6_route_input+0x59c/0xa50 [ 5934.612312][ T73] ipv6_rcv+0x397/0x810 [ 5934.612312][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5934.612312][ T73] process_backlog+0x101/0x620 [ 5934.612312][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5934.612312][ T73] net_rx_action+0x495/0xbe0 [ 5934.612312][ T73] __do_softirq+0x1b5/0x7f6 [ 5934.612312][ T73] [ 5934.613950][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.613950][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.613950][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.613950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.613950][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5934.613950][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5934.613950][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5934.613950][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5934.613950][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5934.613950][ T73] addrconf_dad_begin+0x310/0x670 [ 5934.613950][ T73] addrconf_dad_work+0x10b/0xab0 [ 5934.613950][ T73] process_one_work+0x84d/0x18a0 [ 5934.613950][ T73] worker_thread+0x587/0xd30 [ 5934.613950][ T73] kthread+0x28a/0x350 [ 5934.613950][ T73] ret_from_fork+0x31/0x70 [ 5934.613950][ T73] ret_from_fork_asm+0x1a/0x30 [ 5934.613950][ T73] [ 5934.615850][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.615850][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.615850][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.615850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.615850][ T73] ip6_route_add+0x1c/0x140 [ 5934.615850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5934.615850][ T73] inet6_addr_add+0x4f8/0xa40 [ 5934.615850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.615850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.615850][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.615850][ T73] netlink_unicast+0x449/0x710 [ 5934.615850][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.615850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.615850][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.615850][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.615850][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.615850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.615850][ T73] [ 5934.617841][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.617841][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.617841][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.617841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.617841][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5934.617841][ T73] ipv6_add_addr+0x411/0x2000 [ 5934.617841][ T73] inet6_addr_add+0x30e/0xa40 [ 5934.617841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.617841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.617841][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.617841][ T73] netlink_unicast+0x449/0x710 [ 5934.617841][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.617841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.617841][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.617841][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.617841][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.617841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.617841][ T73] [ 5934.619818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.619818][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.619818][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.619818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.619818][ T73] ip6_route_add+0x1c/0x140 [ 5934.619818][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5934.619818][ T73] addrconf_add_dev+0xe2/0x170 [ 5934.619818][ T73] inet6_addr_add+0x12f/0xa40 [ 5934.619818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.619818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.619818][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.619818][ T73] netlink_unicast+0x449/0x710 [ 5934.619818][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.619818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.619818][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.619818][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.619818][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.619818][ T73] [ 5934.621760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.621760][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5934.621760][ T73] ipv6_find_idev+0x102/0x170 [ 5934.621760][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.621760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.621760][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.621760][ T73] netlink_unicast+0x449/0x710 [ 5934.621760][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.621760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.621760][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.621760][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.621760][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.621760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.621760][ T73] [ 5934.623293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5934.623293][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5934.623293][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5934.623293][ T73] ipv6_find_idev+0x102/0x170 [ 5934.623293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.623293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.623293][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.623293][ T73] netlink_unicast+0x449/0x710 [ 5934.623293][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.623293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.623293][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.623293][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.623293][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.623293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.623293][ T73] [ 5934.625109][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5934.625380][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.625380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5934.625380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5934.625380][ T73] fib6_nh_init+0xa22/0x1580 [ 5934.625380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.625380][ T73] ip6_route_add+0x1c/0x140 [ 5934.625380][ T73] inet6_rtm_newroute+0x104/0x110 [ 5934.625380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.625380][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.625380][ T73] netlink_unicast+0x449/0x710 [ 5934.625380][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.625380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.625380][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.625380][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.625380][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.625380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.625380][ T73] [ 5934.627486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.627486][ T73] dst_init+0x84/0x4a0 [ 5934.627486][ T73] dst_alloc+0x97/0x150 [ 5934.627486][ T73] ip6_dst_alloc+0x23/0x90 [ 5934.627486][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5934.627486][ T73] ip6_pol_route+0x56f/0x840 [ 5934.627486][ T73] fib6_rule_lookup+0x456/0x630 [ 5934.627486][ T73] ip6_route_input+0x59c/0xa50 [ 5934.627486][ T73] ipv6_rcv+0x397/0x810 [ 5934.627486][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5934.627486][ T73] process_backlog+0x101/0x620 [ 5934.627486][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5934.627486][ T73] net_rx_action+0x495/0xbe0 [ 5934.627486][ T73] __do_softirq+0x1b5/0x7f6 [ 5934.627486][ T73] [ 5934.629293][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.629293][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.629293][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.629293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.629293][ T73] ip6_route_add+0x1c/0x140 [ 5934.629293][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5934.629293][ T73] inet6_addr_add+0x4f8/0xa40 [ 5934.629293][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.629293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.629293][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.629293][ T73] netlink_unicast+0x449/0x710 [ 5934.629293][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.629293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.629293][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.629293][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.629293][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.629293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.629293][ T73] [ 5934.631580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.631580][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.631580][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.631580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.631580][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5934.631580][ T73] ipv6_add_addr+0x411/0x2000 [ 5934.631580][ T73] inet6_addr_add+0x30e/0xa40 [ 5934.631580][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.631580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.631580][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.631580][ T73] netlink_unicast+0x449/0x710 [ 5934.631580][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.631580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.631580][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.631580][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.631580][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.631580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.631580][ T73] [ 5934.633813][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.633813][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.633813][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.633813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.633813][ T73] ip6_route_add+0x1c/0x140 [ 5934.633813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5934.633813][ T73] addrconf_add_dev+0xe2/0x170 [ 5934.633813][ T73] inet6_addr_add+0x12f/0xa40 [ 5934.633813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.633813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.633813][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.633813][ T73] netlink_unicast+0x449/0x710 [ 5934.633813][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.633813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.633813][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.633813][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.633813][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.633813][ T73] [ 5934.635942][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.635942][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5934.635942][ T73] ipv6_find_idev+0x102/0x170 [ 5934.635942][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.635942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.635942][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.635942][ T73] netlink_unicast+0x449/0x710 [ 5934.635942][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.635942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.635942][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.635942][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.635942][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.635942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.635942][ T73] [ 5934.637650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5934.637650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5934.637650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5934.637650][ T73] ipv6_find_idev+0x102/0x170 [ 5934.637650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.637650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.637650][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.637650][ T73] netlink_unicast+0x449/0x710 [ 5934.637650][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.637650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.637650][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.637650][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.637650][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.637650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.637650][ T73] [ 5934.639628][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5934.640339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5934.640339][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.640339][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.640339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.640339][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5934.640339][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5934.640339][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5934.640339][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5934.640339][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5934.640339][ T73] addrconf_dad_begin+0x310/0x670 [ 5934.640339][ T73] addrconf_dad_work+0x10b/0xab0 [ 5934.640339][ T73] process_one_work+0x84d/0x18a0 [ 5934.640339][ T73] worker_thread+0x587/0xd30 [ 5934.640339][ T73] kthread+0x28a/0x350 [ 5934.640339][ T73] ret_from_fork+0x31/0x70 [ 5934.640339][ T73] ret_from_fork_asm+0x1a/0x30 [ 5934.640339][ T73] [ 5934.642244][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5934.642244][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.642244][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.642244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.642244][ T73] ip6_route_add+0x1c/0x140 [ 5934.642244][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5934.642244][ T73] inet6_addr_add+0x4f8/0xa40 [ 5934.642244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.642244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.642244][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.642244][ T73] netlink_unicast+0x449/0x710 [ 5934.642244][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.642244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.642244][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.642244][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.642244][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.642244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.642244][ T73] [ 5934.644361][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5934.644361][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.644361][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.644361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.644361][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5934.644361][ T73] ipv6_add_addr+0x411/0x2000 [ 5934.644361][ T73] inet6_addr_add+0x30e/0xa40 [ 5934.644361][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.644361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.644361][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.644361][ T73] netlink_unicast+0x449/0x710 [ 5934.644361][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.644361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.644361][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.644361][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.644361][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.644361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.644361][ T73] [ 5934.646533][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5934.646533][ T73] netdev_get_by_index+0x5e/0x80 [ 5934.646533][ T73] fib6_nh_init+0x3d8/0x1580 [ 5934.646533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5934.646533][ T73] ip6_route_add+0x1c/0x140 [ 5934.646533][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5934.646533][ T73] addrconf_add_dev+0xe2/0x170 [ 5934.646533][ T73] inet6_addr_add+0x12f/0xa40 [ 5934.646533][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.646533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.646533][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.646533][ T73] netlink_unicast+0x449/0x710 [ 5934.646533][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.646533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.646533][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.646533][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.646533][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.646533][ T73] [ 5934.648725][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5934.648725][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5934.648725][ T73] ipv6_find_idev+0x102/0x170 [ 5934.648725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.648725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.648725][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.648725][ T73] netlink_unicast+0x449/0x710 [ 5934.648725][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.648725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.648725][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.648725][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.648725][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.648725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.648725][ T73] [ 5934.650438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5934.650438][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5934.650438][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5934.650438][ T73] ipv6_find_idev+0x102/0x170 [ 5934.650438][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.650438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.650438][ T73] netlink_rcv_skb+0x130/0x360 [ 5934.650438][ T73] netlink_unicast+0x449/0x710 [ 5934.650438][ T73] netlink_sendmsg+0x723/0xbe0 [ 5934.650438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5934.650438][ T73] ___sys_sendmsg+0xee/0x170 [ 5934.650438][ T73] __sys_sendmsg+0xcd/0x170 [ 5934.650438][ T73] do_syscall_64+0xc6/0x1e0 [ 5934.650438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.650438][ T73] [ 5944.894897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5944.895347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.895347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5944.895347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5944.895347][ T73] fib6_nh_init+0xa22/0x1580 [ 5944.895347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.895347][ T73] ip6_route_add+0x1c/0x140 [ 5944.895347][ T73] inet6_rtm_newroute+0x104/0x110 [ 5944.895347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.895347][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.895347][ T73] netlink_unicast+0x449/0x710 [ 5944.895347][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.895347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.895347][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.895347][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.895347][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.895347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.895347][ T73] [ 5944.897239][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.897239][ T73] dst_init+0x84/0x4a0 [ 5944.897239][ T73] dst_alloc+0x97/0x150 [ 5944.897239][ T73] ip6_dst_alloc+0x23/0x90 [ 5944.897239][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5944.897239][ T73] ip6_pol_route+0x56f/0x840 [ 5944.897239][ T73] fib6_rule_lookup+0x456/0x630 [ 5944.897239][ T73] ip6_route_input+0x59c/0xa50 [ 5944.897239][ T73] ipv6_rcv+0x397/0x810 [ 5944.897239][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5944.897239][ T73] process_backlog+0x101/0x620 [ 5944.897239][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5944.897239][ T73] net_rx_action+0x495/0xbe0 [ 5944.897239][ T73] __do_softirq+0x1b5/0x7f6 [ 5944.897239][ T73] [ 5944.898875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.898875][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.898875][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.898875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.898875][ T73] ip6_route_add+0x1c/0x140 [ 5944.898875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5944.898875][ T73] inet6_addr_add+0x4f8/0xa40 [ 5944.898875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.898875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.898875][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.898875][ T73] netlink_unicast+0x449/0x710 [ 5944.898875][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.898875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.898875][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.898875][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.898875][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.898875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.898875][ T73] [ 5944.900859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.900859][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.900859][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.900859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.900859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5944.900859][ T73] ipv6_add_addr+0x411/0x2000 [ 5944.900859][ T73] inet6_addr_add+0x30e/0xa40 [ 5944.900859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.900859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.900859][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.900859][ T73] netlink_unicast+0x449/0x710 [ 5944.900859][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.900859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.900859][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.900859][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.900859][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.900859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.900859][ T73] [ 5944.902839][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.902839][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.902839][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.902839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.902839][ T73] ip6_route_add+0x1c/0x140 [ 5944.902839][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5944.902839][ T73] addrconf_add_dev+0xe2/0x170 [ 5944.902839][ T73] inet6_addr_add+0x12f/0xa40 [ 5944.902839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.902839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.902839][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.902839][ T73] netlink_unicast+0x449/0x710 [ 5944.902839][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.902839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.902839][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.902839][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.902839][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.902839][ T73] [ 5944.904798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.904798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5944.904798][ T73] ipv6_find_idev+0x102/0x170 [ 5944.904798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.904798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.904798][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.904798][ T73] netlink_unicast+0x449/0x710 [ 5944.904798][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.904798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.904798][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.904798][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.904798][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.904798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.904798][ T73] [ 5944.906323][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5944.906323][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5944.906323][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5944.906323][ T73] ipv6_find_idev+0x102/0x170 [ 5944.906323][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.906323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.906323][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.906323][ T73] netlink_unicast+0x449/0x710 [ 5944.906323][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.906323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.906323][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.906323][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.906323][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.906323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.906323][ T73] [ 5944.907999][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5944.908270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.908270][ T73] dst_init+0x84/0x4a0 [ 5944.908270][ T73] dst_alloc+0x97/0x150 [ 5944.908270][ T73] ip6_dst_alloc+0x23/0x90 [ 5944.908270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5944.908270][ T73] ip6_pol_route+0x56f/0x840 [ 5944.908270][ T73] fib6_rule_lookup+0x456/0x630 [ 5944.908270][ T73] ip6_route_input+0x59c/0xa50 [ 5944.908270][ T73] ipv6_rcv+0x397/0x810 [ 5944.908270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5944.908270][ T73] process_backlog+0x101/0x620 [ 5944.908270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5944.908270][ T73] net_rx_action+0x495/0xbe0 [ 5944.908270][ T73] __do_softirq+0x1b5/0x7f6 [ 5944.908270][ T73] [ 5944.909894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.909894][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.909894][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.909894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.909894][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5944.909894][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5944.909894][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5944.909894][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5944.909894][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5944.909894][ T73] addrconf_dad_begin+0x310/0x670 [ 5944.909894][ T73] addrconf_dad_work+0x10b/0xab0 [ 5944.909894][ T73] process_one_work+0x84d/0x18a0 [ 5944.909894][ T73] worker_thread+0x587/0xd30 [ 5944.909894][ T73] kthread+0x28a/0x350 [ 5944.909894][ T73] ret_from_fork+0x31/0x70 [ 5944.909894][ T73] ret_from_fork_asm+0x1a/0x30 [ 5944.909894][ T73] [ 5944.911804][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.911804][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.911804][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.911804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.911804][ T73] ip6_route_add+0x1c/0x140 [ 5944.911804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5944.911804][ T73] inet6_addr_add+0x4f8/0xa40 [ 5944.911804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.911804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.911804][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.911804][ T73] netlink_unicast+0x449/0x710 [ 5944.911804][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.911804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.911804][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.911804][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.911804][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.911804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.911804][ T73] [ 5944.913793][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.913793][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.913793][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.913793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.913793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5944.913793][ T73] ipv6_add_addr+0x411/0x2000 [ 5944.913793][ T73] inet6_addr_add+0x30e/0xa40 [ 5944.913793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.913793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.913793][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.913793][ T73] netlink_unicast+0x449/0x710 [ 5944.913793][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.913793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.913793][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.913793][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.913793][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.913793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.913793][ T73] [ 5944.915774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.915774][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.915774][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.915774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.915774][ T73] ip6_route_add+0x1c/0x140 [ 5944.915774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5944.915774][ T73] addrconf_add_dev+0xe2/0x170 [ 5944.915774][ T73] inet6_addr_add+0x12f/0xa40 [ 5944.915774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.915774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.915774][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.915774][ T73] netlink_unicast+0x449/0x710 [ 5944.915774][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.915774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.915774][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.915774][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.915774][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.915774][ T73] [ 5944.917764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.917764][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5944.917764][ T73] ipv6_find_idev+0x102/0x170 [ 5944.917764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.917764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.917764][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.917764][ T73] netlink_unicast+0x449/0x710 [ 5944.917764][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.917764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.917764][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.917764][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.917764][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.917764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.917764][ T73] [ 5944.919294][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5944.919294][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5944.919294][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5944.919294][ T73] ipv6_find_idev+0x102/0x170 [ 5944.919294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.919294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.919294][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.919294][ T73] netlink_unicast+0x449/0x710 [ 5944.919294][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.919294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.919294][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.919294][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.919294][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.919294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.919294][ T73] [ 5944.921106][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5944.921373][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.921373][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5944.921373][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5944.921373][ T73] fib6_nh_init+0xa22/0x1580 [ 5944.921373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.921373][ T73] ip6_route_add+0x1c/0x140 [ 5944.921373][ T73] inet6_rtm_newroute+0x104/0x110 [ 5944.921373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.921373][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.921373][ T73] netlink_unicast+0x449/0x710 [ 5944.921373][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.921373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.921373][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.921373][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.921373][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.921373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.921373][ T73] [ 5944.923546][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.923546][ T73] dst_init+0x84/0x4a0 [ 5944.923546][ T73] dst_alloc+0x97/0x150 [ 5944.923546][ T73] ip6_dst_alloc+0x23/0x90 [ 5944.923546][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5944.923546][ T73] ip6_pol_route+0x56f/0x840 [ 5944.923546][ T73] fib6_rule_lookup+0x456/0x630 [ 5944.923546][ T73] ip6_route_input+0x59c/0xa50 [ 5944.923546][ T73] ipv6_rcv+0x397/0x810 [ 5944.923546][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5944.923546][ T73] process_backlog+0x101/0x620 [ 5944.923546][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5944.923546][ T73] net_rx_action+0x495/0xbe0 [ 5944.923546][ T73] __do_softirq+0x1b5/0x7f6 [ 5944.923546][ T73] [ 5944.925344][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.925344][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.925344][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.925344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.925344][ T73] ip6_route_add+0x1c/0x140 [ 5944.925344][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5944.925344][ T73] inet6_addr_add+0x4f8/0xa40 [ 5944.925344][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.925344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.925344][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.925344][ T73] netlink_unicast+0x449/0x710 [ 5944.925344][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.925344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.925344][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.925344][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.925344][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.925344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.925344][ T73] [ 5944.927563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.927563][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.927563][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.927563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.927563][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5944.927563][ T73] ipv6_add_addr+0x411/0x2000 [ 5944.927563][ T73] inet6_addr_add+0x30e/0xa40 [ 5944.927563][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.927563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.927563][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.927563][ T73] netlink_unicast+0x449/0x710 [ 5944.927563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.927563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.927563][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.927563][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.927563][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.927563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.927563][ T73] [ 5944.929786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.929786][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.929786][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.929786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.929786][ T73] ip6_route_add+0x1c/0x140 [ 5944.929786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5944.929786][ T73] addrconf_add_dev+0xe2/0x170 [ 5944.929786][ T73] inet6_addr_add+0x12f/0xa40 [ 5944.929786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.929786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.929786][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.929786][ T73] netlink_unicast+0x449/0x710 [ 5944.929786][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.929786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.929786][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.929786][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.929786][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.929786][ T73] [ 5944.932036][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.932036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5944.932036][ T73] ipv6_find_idev+0x102/0x170 [ 5944.932036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.932036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.932036][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.932036][ T73] netlink_unicast+0x449/0x710 [ 5944.932036][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.932036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.932036][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.932036][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.932036][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.932036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.932036][ T73] [ 5944.933747][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5944.933747][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5944.933747][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5944.933747][ T73] ipv6_find_idev+0x102/0x170 [ 5944.933747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.933747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.933747][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.933747][ T73] netlink_unicast+0x449/0x710 [ 5944.933747][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.933747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.933747][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.933747][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.933747][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.933747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.933747][ T73] [ 5944.935595][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5944.936294][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5944.936294][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.936294][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.936294][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.936294][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5944.936294][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5944.936294][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5944.936294][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5944.936294][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5944.936294][ T73] addrconf_dad_begin+0x310/0x670 [ 5944.936294][ T73] addrconf_dad_work+0x10b/0xab0 [ 5944.936294][ T73] process_one_work+0x84d/0x18a0 [ 5944.936294][ T73] worker_thread+0x587/0xd30 [ 5944.936294][ T73] kthread+0x28a/0x350 [ 5944.936294][ T73] ret_from_fork+0x31/0x70 [ 5944.936294][ T73] ret_from_fork_asm+0x1a/0x30 [ 5944.936294][ T73] [ 5944.938186][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5944.938186][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.938186][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.938186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.938186][ T73] ip6_route_add+0x1c/0x140 [ 5944.938186][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5944.938186][ T73] inet6_addr_add+0x4f8/0xa40 [ 5944.938186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.938186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.938186][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.938186][ T73] netlink_unicast+0x449/0x710 [ 5944.938186][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.938186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.938186][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.938186][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.938186][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.938186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.938186][ T73] [ 5944.940285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5944.940285][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.940285][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.940285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.940285][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5944.940285][ T73] ipv6_add_addr+0x411/0x2000 [ 5944.940285][ T73] inet6_addr_add+0x30e/0xa40 [ 5944.940285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.940285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.940285][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.940285][ T73] netlink_unicast+0x449/0x710 [ 5944.940285][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.940285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.940285][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.940285][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.940285][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.940285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.940285][ T73] [ 5944.942530][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5944.942530][ T73] netdev_get_by_index+0x5e/0x80 [ 5944.942530][ T73] fib6_nh_init+0x3d8/0x1580 [ 5944.942530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5944.942530][ T73] ip6_route_add+0x1c/0x140 [ 5944.942530][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5944.942530][ T73] addrconf_add_dev+0xe2/0x170 [ 5944.942530][ T73] inet6_addr_add+0x12f/0xa40 [ 5944.942530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.942530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.942530][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.942530][ T73] netlink_unicast+0x449/0x710 [ 5944.942530][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.942530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.942530][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.942530][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.942530][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.942530][ T73] [ 5944.944726][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5944.944726][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5944.944726][ T73] ipv6_find_idev+0x102/0x170 [ 5944.944726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.944726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.944726][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.944726][ T73] netlink_unicast+0x449/0x710 [ 5944.944726][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.944726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.944726][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.944726][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.944726][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.944726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.944726][ T73] [ 5944.946431][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5944.946431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5944.946431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5944.946431][ T73] ipv6_find_idev+0x102/0x170 [ 5944.946431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.946431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.946431][ T73] netlink_rcv_skb+0x130/0x360 [ 5944.946431][ T73] netlink_unicast+0x449/0x710 [ 5944.946431][ T73] netlink_sendmsg+0x723/0xbe0 [ 5944.946431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5944.946431][ T73] ___sys_sendmsg+0xee/0x170 [ 5944.946431][ T73] __sys_sendmsg+0xcd/0x170 [ 5944.946431][ T73] do_syscall_64+0xc6/0x1e0 [ 5944.946431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.946431][ T73] [ 5955.190906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5955.191369][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.191369][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5955.191369][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5955.191369][ T73] fib6_nh_init+0xa22/0x1580 [ 5955.191369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.191369][ T73] ip6_route_add+0x1c/0x140 [ 5955.191369][ T73] inet6_rtm_newroute+0x104/0x110 [ 5955.191369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.191369][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.191369][ T73] netlink_unicast+0x449/0x710 [ 5955.191369][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.191369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.191369][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.191369][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.191369][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.191369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.191369][ T73] [ 5955.193260][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.193260][ T73] dst_init+0x84/0x4a0 [ 5955.193260][ T73] dst_alloc+0x97/0x150 [ 5955.193260][ T73] ip6_dst_alloc+0x23/0x90 [ 5955.193260][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5955.193260][ T73] ip6_pol_route+0x56f/0x840 [ 5955.193260][ T73] fib6_rule_lookup+0x456/0x630 [ 5955.193260][ T73] ip6_route_input+0x59c/0xa50 [ 5955.193260][ T73] ipv6_rcv+0x397/0x810 [ 5955.193260][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5955.193260][ T73] process_backlog+0x101/0x620 [ 5955.193260][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5955.193260][ T73] net_rx_action+0x495/0xbe0 [ 5955.193260][ T73] __do_softirq+0x1b5/0x7f6 [ 5955.193260][ T73] [ 5955.194886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.194886][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.194886][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.194886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.194886][ T73] ip6_route_add+0x1c/0x140 [ 5955.194886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5955.194886][ T73] inet6_addr_add+0x4f8/0xa40 [ 5955.194886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.194886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.194886][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.194886][ T73] netlink_unicast+0x449/0x710 [ 5955.194886][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.194886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.194886][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.194886][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.194886][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.194886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.194886][ T73] [ 5955.196869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.196869][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.196869][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.196869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.196869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5955.196869][ T73] ipv6_add_addr+0x411/0x2000 [ 5955.196869][ T73] inet6_addr_add+0x30e/0xa40 [ 5955.196869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.196869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.196869][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.196869][ T73] netlink_unicast+0x449/0x710 [ 5955.196869][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.196869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.196869][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.196869][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.196869][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.196869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.196869][ T73] [ 5955.198857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.198857][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.198857][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.198857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.198857][ T73] ip6_route_add+0x1c/0x140 [ 5955.198857][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5955.198857][ T73] addrconf_add_dev+0xe2/0x170 [ 5955.198857][ T73] inet6_addr_add+0x12f/0xa40 [ 5955.198857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.198857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.198857][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.198857][ T73] netlink_unicast+0x449/0x710 [ 5955.198857][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.198857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.198857][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.198857][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.198857][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.198857][ T73] [ 5955.200818][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.200818][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5955.200818][ T73] ipv6_find_idev+0x102/0x170 [ 5955.200818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.200818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.200818][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.200818][ T73] netlink_unicast+0x449/0x710 [ 5955.200818][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.200818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.200818][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.200818][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.200818][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.200818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.200818][ T73] [ 5955.202363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5955.202363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5955.202363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5955.202363][ T73] ipv6_find_idev+0x102/0x170 [ 5955.202363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.202363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.202363][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.202363][ T73] netlink_unicast+0x449/0x710 [ 5955.202363][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.202363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.202363][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.202363][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.202363][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.202363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.202363][ T73] [ 5955.204047][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5955.204318][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.204318][ T73] dst_init+0x84/0x4a0 [ 5955.204318][ T73] dst_alloc+0x97/0x150 [ 5955.204318][ T73] ip6_dst_alloc+0x23/0x90 [ 5955.204318][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5955.204318][ T73] ip6_pol_route+0x56f/0x840 [ 5955.204318][ T73] fib6_rule_lookup+0x456/0x630 [ 5955.204318][ T73] ip6_route_input+0x59c/0xa50 [ 5955.204318][ T73] ipv6_rcv+0x397/0x810 [ 5955.204318][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5955.204318][ T73] process_backlog+0x101/0x620 [ 5955.204318][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5955.204318][ T73] net_rx_action+0x495/0xbe0 [ 5955.204318][ T73] __do_softirq+0x1b5/0x7f6 [ 5955.204318][ T73] [ 5955.205949][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.205949][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.205949][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.205949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.205949][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5955.205949][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5955.205949][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5955.205949][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5955.205949][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5955.205949][ T73] addrconf_dad_begin+0x310/0x670 [ 5955.205949][ T73] addrconf_dad_work+0x10b/0xab0 [ 5955.205949][ T73] process_one_work+0x84d/0x18a0 [ 5955.205949][ T73] worker_thread+0x587/0xd30 [ 5955.205949][ T73] kthread+0x28a/0x350 [ 5955.205949][ T73] ret_from_fork+0x31/0x70 [ 5955.205949][ T73] ret_from_fork_asm+0x1a/0x30 [ 5955.205949][ T73] [ 5955.207841][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.207841][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.207841][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.207841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.207841][ T73] ip6_route_add+0x1c/0x140 [ 5955.207841][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5955.207841][ T73] inet6_addr_add+0x4f8/0xa40 [ 5955.207841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.207841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.207841][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.207841][ T73] netlink_unicast+0x449/0x710 [ 5955.207841][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.207841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.207841][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.207841][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.207841][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.207841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.207841][ T73] [ 5955.209826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.209826][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.209826][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.209826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.209826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5955.209826][ T73] ipv6_add_addr+0x411/0x2000 [ 5955.209826][ T73] inet6_addr_add+0x30e/0xa40 [ 5955.209826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.209826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.209826][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.209826][ T73] netlink_unicast+0x449/0x710 [ 5955.209826][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.209826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.209826][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.209826][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.209826][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.209826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.209826][ T73] [ 5955.211807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.211807][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.211807][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.211807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.211807][ T73] ip6_route_add+0x1c/0x140 [ 5955.211807][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5955.211807][ T73] addrconf_add_dev+0xe2/0x170 [ 5955.211807][ T73] inet6_addr_add+0x12f/0xa40 [ 5955.211807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.211807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.211807][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.211807][ T73] netlink_unicast+0x449/0x710 [ 5955.211807][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.211807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.211807][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.211807][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.211807][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.211807][ T73] [ 5955.213782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.213782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5955.213782][ T73] ipv6_find_idev+0x102/0x170 [ 5955.213782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.213782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.213782][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.213782][ T73] netlink_unicast+0x449/0x710 [ 5955.213782][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.213782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.213782][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.213782][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.213782][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.213782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.213782][ T73] [ 5955.215307][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5955.215307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5955.215307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5955.215307][ T73] ipv6_find_idev+0x102/0x170 [ 5955.215307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.215307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.215307][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.215307][ T73] netlink_unicast+0x449/0x710 [ 5955.215307][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.215307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.215307][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.215307][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.215307][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.215307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.215307][ T73] [ 5955.217104][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5955.217383][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.217383][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5955.217383][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5955.217383][ T73] fib6_nh_init+0xa22/0x1580 [ 5955.217383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.217383][ T73] ip6_route_add+0x1c/0x140 [ 5955.217383][ T73] inet6_rtm_newroute+0x104/0x110 [ 5955.217383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.217383][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.217383][ T73] netlink_unicast+0x449/0x710 [ 5955.217383][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.217383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.217383][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.217383][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.217383][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.217383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.217383][ T73] [ 5955.219502][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.219502][ T73] dst_init+0x84/0x4a0 [ 5955.219502][ T73] dst_alloc+0x97/0x150 [ 5955.219502][ T73] ip6_dst_alloc+0x23/0x90 [ 5955.219502][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5955.219502][ T73] ip6_pol_route+0x56f/0x840 [ 5955.219502][ T73] fib6_rule_lookup+0x456/0x630 [ 5955.219502][ T73] ip6_route_input+0x59c/0xa50 [ 5955.219502][ T73] ipv6_rcv+0x397/0x810 [ 5955.219502][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5955.219502][ T73] process_backlog+0x101/0x620 [ 5955.219502][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5955.219502][ T73] net_rx_action+0x495/0xbe0 [ 5955.219502][ T73] __do_softirq+0x1b5/0x7f6 [ 5955.219502][ T73] [ 5955.221307][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.221307][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.221307][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.221307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.221307][ T73] ip6_route_add+0x1c/0x140 [ 5955.221307][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5955.221307][ T73] inet6_addr_add+0x4f8/0xa40 [ 5955.221307][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.221307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.221307][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.221307][ T73] netlink_unicast+0x449/0x710 [ 5955.221307][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.221307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.221307][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.221307][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.221307][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.221307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.221307][ T73] [ 5955.223540][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.223540][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.223540][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.223540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.223540][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5955.223540][ T73] ipv6_add_addr+0x411/0x2000 [ 5955.223540][ T73] inet6_addr_add+0x30e/0xa40 [ 5955.223540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.223540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.223540][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.223540][ T73] netlink_unicast+0x449/0x710 [ 5955.223540][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.223540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.223540][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.223540][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.223540][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.223540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.223540][ T73] [ 5955.225825][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.225825][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.225825][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.225825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.225825][ T73] ip6_route_add+0x1c/0x140 [ 5955.225825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5955.225825][ T73] addrconf_add_dev+0xe2/0x170 [ 5955.225825][ T73] inet6_addr_add+0x12f/0xa40 [ 5955.225825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.225825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.225825][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.225825][ T73] netlink_unicast+0x449/0x710 [ 5955.225825][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.225825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.225825][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.225825][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.225825][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.225825][ T73] [ 5955.228014][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.228014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5955.228014][ T73] ipv6_find_idev+0x102/0x170 [ 5955.228014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.228014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.228014][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.228014][ T73] netlink_unicast+0x449/0x710 [ 5955.228014][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.228014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.228014][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.228014][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.228014][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.228014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.228014][ T73] [ 5955.229726][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5955.229726][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5955.229726][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5955.229726][ T73] ipv6_find_idev+0x102/0x170 [ 5955.229726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.229726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.229726][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.229726][ T73] netlink_unicast+0x449/0x710 [ 5955.229726][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.229726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.229726][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.229726][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.229726][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.229726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.229726][ T73] [ 5955.231594][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5955.232297][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5955.232297][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.232297][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.232297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.232297][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5955.232297][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5955.232297][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5955.232297][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5955.232297][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5955.232297][ T73] addrconf_dad_begin+0x310/0x670 [ 5955.232297][ T73] addrconf_dad_work+0x10b/0xab0 [ 5955.232297][ T73] process_one_work+0x84d/0x18a0 [ 5955.232297][ T73] worker_thread+0x587/0xd30 [ 5955.232297][ T73] kthread+0x28a/0x350 [ 5955.232297][ T73] ret_from_fork+0x31/0x70 [ 5955.232297][ T73] ret_from_fork_asm+0x1a/0x30 [ 5955.232297][ T73] [ 5955.234222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5955.234222][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.234222][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.234222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.234222][ T73] ip6_route_add+0x1c/0x140 [ 5955.234222][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5955.234222][ T73] inet6_addr_add+0x4f8/0xa40 [ 5955.234222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.234222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.234222][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.234222][ T73] netlink_unicast+0x449/0x710 [ 5955.234222][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.234222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.234222][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.234222][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.234222][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.234222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.234222][ T73] [ 5955.236362][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5955.236362][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.236362][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.236362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.236362][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5955.236362][ T73] ipv6_add_addr+0x411/0x2000 [ 5955.236362][ T73] inet6_addr_add+0x30e/0xa40 [ 5955.236362][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.236362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.236362][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.236362][ T73] netlink_unicast+0x449/0x710 [ 5955.236362][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.236362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.236362][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.236362][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.236362][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.236362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.236362][ T73] [ 5955.238648][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5955.238648][ T73] netdev_get_by_index+0x5e/0x80 [ 5955.238648][ T73] fib6_nh_init+0x3d8/0x1580 [ 5955.238648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5955.238648][ T73] ip6_route_add+0x1c/0x140 [ 5955.238648][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5955.238648][ T73] addrconf_add_dev+0xe2/0x170 [ 5955.238648][ T73] inet6_addr_add+0x12f/0xa40 [ 5955.238648][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5955.238648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.238648][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.238648][ T73] netlink_unicast+0x449/0x710 [ 5955.238648][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.238648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.238648][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.238648][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.238648][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.238648][ T73] [ 5955.240784][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5955.240784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5955.240784][ T73] ipv6_find_idev+0x102/0x170 [ 5955.240784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.240784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.240784][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.240784][ T73] netlink_unicast+0x449/0x710 [ 5955.240784][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.240784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.240784][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.240784][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.240784][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.240784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.240784][ T73] [ 5955.243010][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5955.243010][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5955.243010][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5955.243010][ T73] ipv6_find_idev+0x102/0x170 [ 5955.243010][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5955.243010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5955.243010][ T73] netlink_rcv_skb+0x130/0x360 [ 5955.243010][ T73] netlink_unicast+0x449/0x710 [ 5955.243010][ T73] netlink_sendmsg+0x723/0xbe0 [ 5955.243010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5955.243010][ T73] ___sys_sendmsg+0xee/0x170 [ 5955.243010][ T73] __sys_sendmsg+0xcd/0x170 [ 5955.243010][ T73] do_syscall_64+0xc6/0x1e0 [ 5955.243010][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5955.243010][ T73] [ 5965.470909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5965.471371][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.471371][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5965.471371][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5965.471371][ T73] fib6_nh_init+0xa22/0x1580 [ 5965.471371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.471371][ T73] ip6_route_add+0x1c/0x140 [ 5965.471371][ T73] inet6_rtm_newroute+0x104/0x110 [ 5965.471371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.471371][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.471371][ T73] netlink_unicast+0x449/0x710 [ 5965.471371][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.471371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.471371][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.471371][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.471371][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.471371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.471371][ T73] [ 5965.473287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.473287][ T73] dst_init+0x84/0x4a0 [ 5965.473287][ T73] dst_alloc+0x97/0x150 [ 5965.473287][ T73] ip6_dst_alloc+0x23/0x90 [ 5965.473287][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5965.473287][ T73] ip6_pol_route+0x56f/0x840 [ 5965.473287][ T73] fib6_rule_lookup+0x456/0x630 [ 5965.473287][ T73] ip6_route_input+0x59c/0xa50 [ 5965.473287][ T73] ipv6_rcv+0x397/0x810 [ 5965.473287][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5965.473287][ T73] process_backlog+0x101/0x620 [ 5965.473287][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5965.473287][ T73] net_rx_action+0x495/0xbe0 [ 5965.473287][ T73] __do_softirq+0x1b5/0x7f6 [ 5965.473287][ T73] [ 5965.474942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.474942][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.474942][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.474942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.474942][ T73] ip6_route_add+0x1c/0x140 [ 5965.474942][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5965.474942][ T73] inet6_addr_add+0x4f8/0xa40 [ 5965.474942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.474942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.474942][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.474942][ T73] netlink_unicast+0x449/0x710 [ 5965.474942][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.474942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.474942][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.474942][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.474942][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.474942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.474942][ T73] [ 5965.476972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.476972][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.476972][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.476972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.476972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5965.476972][ T73] ipv6_add_addr+0x411/0x2000 [ 5965.476972][ T73] inet6_addr_add+0x30e/0xa40 [ 5965.476972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.476972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.476972][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.476972][ T73] netlink_unicast+0x449/0x710 [ 5965.476972][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.476972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.476972][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.476972][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.476972][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.476972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.476972][ T73] [ 5965.478960][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.478960][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.478960][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.478960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.478960][ T73] ip6_route_add+0x1c/0x140 [ 5965.478960][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5965.478960][ T73] addrconf_add_dev+0xe2/0x170 [ 5965.478960][ T73] inet6_addr_add+0x12f/0xa40 [ 5965.478960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.478960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.478960][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.478960][ T73] netlink_unicast+0x449/0x710 [ 5965.478960][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.478960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.478960][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.478960][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.478960][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.478960][ T73] [ 5965.480927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.480927][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5965.480927][ T73] ipv6_find_idev+0x102/0x170 [ 5965.480927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.480927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.480927][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.480927][ T73] netlink_unicast+0x449/0x710 [ 5965.480927][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.480927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.480927][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.480927][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.480927][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.480927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.480927][ T73] [ 5965.482513][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5965.482513][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5965.482513][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5965.482513][ T73] ipv6_find_idev+0x102/0x170 [ 5965.482513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.482513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.482513][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.482513][ T73] netlink_unicast+0x449/0x710 [ 5965.482513][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.482513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.482513][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.482513][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.482513][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.482513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.482513][ T73] [ 5965.484244][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5965.484540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.484540][ T73] dst_init+0x84/0x4a0 [ 5965.484540][ T73] dst_alloc+0x97/0x150 [ 5965.484540][ T73] ip6_dst_alloc+0x23/0x90 [ 5965.484540][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5965.484540][ T73] ip6_pol_route+0x56f/0x840 [ 5965.484540][ T73] fib6_rule_lookup+0x456/0x630 [ 5965.484540][ T73] ip6_route_input+0x59c/0xa50 [ 5965.484540][ T73] ipv6_rcv+0x397/0x810 [ 5965.484540][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5965.484540][ T73] process_backlog+0x101/0x620 [ 5965.484540][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5965.484540][ T73] net_rx_action+0x495/0xbe0 [ 5965.484540][ T73] __do_softirq+0x1b5/0x7f6 [ 5965.484540][ T73] [ 5965.486205][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.486205][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.486205][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.486205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.486205][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5965.486205][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5965.486205][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5965.486205][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5965.486205][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5965.486205][ T73] addrconf_dad_begin+0x310/0x670 [ 5965.486205][ T73] addrconf_dad_work+0x10b/0xab0 [ 5965.486205][ T73] process_one_work+0x84d/0x18a0 [ 5965.486205][ T73] worker_thread+0x587/0xd30 [ 5965.486205][ T73] kthread+0x28a/0x350 [ 5965.486205][ T73] ret_from_fork+0x31/0x70 [ 5965.486205][ T73] ret_from_fork_asm+0x1a/0x30 [ 5965.486205][ T73] [ 5965.488463][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.488463][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.488463][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.488463][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.488463][ T73] ip6_route_add+0x1c/0x140 [ 5965.488463][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5965.488463][ T73] inet6_addr_add+0x4f8/0xa40 [ 5965.488463][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.488463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.488463][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.488463][ T73] netlink_unicast+0x449/0x710 [ 5965.488463][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.488463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.488463][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.488463][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.488463][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.488463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.488463][ T73] [ 5965.490452][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.490452][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.490452][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.490452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.490452][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5965.490452][ T73] ipv6_add_addr+0x411/0x2000 [ 5965.490452][ T73] inet6_addr_add+0x30e/0xa40 [ 5965.490452][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.490452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.490452][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.490452][ T73] netlink_unicast+0x449/0x710 [ 5965.490452][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.490452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.490452][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.490452][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.490452][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.490452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.490452][ T73] [ 5965.492458][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.492458][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.492458][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.492458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.492458][ T73] ip6_route_add+0x1c/0x140 [ 5965.492458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5965.492458][ T73] addrconf_add_dev+0xe2/0x170 [ 5965.492458][ T73] inet6_addr_add+0x12f/0xa40 [ 5965.492458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.492458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.492458][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.492458][ T73] netlink_unicast+0x449/0x710 [ 5965.492458][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.492458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.492458][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.492458][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.492458][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.492458][ T73] [ 5965.494451][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.494451][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5965.494451][ T73] ipv6_find_idev+0x102/0x170 [ 5965.494451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.494451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.494451][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.494451][ T73] netlink_unicast+0x449/0x710 [ 5965.494451][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.494451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.494451][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.494451][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.494451][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.494451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.494451][ T73] [ 5965.496022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5965.496022][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5965.496022][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5965.496022][ T73] ipv6_find_idev+0x102/0x170 [ 5965.496022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.496022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.496022][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.496022][ T73] netlink_unicast+0x449/0x710 [ 5965.496022][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.496022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.496022][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.496022][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.496022][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.496022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.496022][ T73] [ 5965.497851][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5965.498200][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.498200][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5965.498200][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5965.498200][ T73] fib6_nh_init+0xa22/0x1580 [ 5965.498200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.498200][ T73] ip6_route_add+0x1c/0x140 [ 5965.498200][ T73] inet6_rtm_newroute+0x104/0x110 [ 5965.498200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.498200][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.498200][ T73] netlink_unicast+0x449/0x710 [ 5965.498200][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.498200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.498200][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.498200][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.498200][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.498200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.498200][ T73] [ 5965.500266][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.500266][ T73] dst_init+0x84/0x4a0 [ 5965.500266][ T73] dst_alloc+0x97/0x150 [ 5965.500266][ T73] ip6_dst_alloc+0x23/0x90 [ 5965.500266][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5965.500266][ T73] ip6_pol_route+0x56f/0x840 [ 5965.500266][ T73] fib6_rule_lookup+0x456/0x630 [ 5965.500266][ T73] ip6_route_input+0x59c/0xa50 [ 5965.500266][ T73] ipv6_rcv+0x397/0x810 [ 5965.500266][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5965.500266][ T73] process_backlog+0x101/0x620 [ 5965.500266][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5965.500266][ T73] net_rx_action+0x495/0xbe0 [ 5965.500266][ T73] __do_softirq+0x1b5/0x7f6 [ 5965.500266][ T73] [ 5965.502151][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.502151][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.502151][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.502151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.502151][ T73] ip6_route_add+0x1c/0x140 [ 5965.502151][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5965.502151][ T73] inet6_addr_add+0x4f8/0xa40 [ 5965.502151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.502151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.502151][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.502151][ T73] netlink_unicast+0x449/0x710 [ 5965.502151][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.502151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.502151][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.502151][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.502151][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.502151][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.502151][ T73] [ 5965.504415][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.504415][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.504415][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.504415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.504415][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5965.504415][ T73] ipv6_add_addr+0x411/0x2000 [ 5965.504415][ T73] inet6_addr_add+0x30e/0xa40 [ 5965.504415][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.504415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.504415][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.504415][ T73] netlink_unicast+0x449/0x710 [ 5965.504415][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.504415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.504415][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.504415][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.504415][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.504415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.504415][ T73] [ 5965.506660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.506660][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.506660][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.506660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.506660][ T73] ip6_route_add+0x1c/0x140 [ 5965.506660][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5965.506660][ T73] addrconf_add_dev+0xe2/0x170 [ 5965.506660][ T73] inet6_addr_add+0x12f/0xa40 [ 5965.506660][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.506660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.506660][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.506660][ T73] netlink_unicast+0x449/0x710 [ 5965.506660][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.506660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.506660][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.506660][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.506660][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.506660][ T73] [ 5965.508898][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.508898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5965.508898][ T73] ipv6_find_idev+0x102/0x170 [ 5965.508898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.508898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.508898][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.508898][ T73] netlink_unicast+0x449/0x710 [ 5965.508898][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.508898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.508898][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.508898][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.508898][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.508898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.508898][ T73] [ 5965.510707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5965.510707][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5965.510707][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5965.510707][ T73] ipv6_find_idev+0x102/0x170 [ 5965.510707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.510707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.510707][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.510707][ T73] netlink_unicast+0x449/0x710 [ 5965.510707][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.510707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.510707][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.510707][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.510707][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.510707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.510707][ T73] [ 5965.512588][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5965.513310][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5965.513310][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.513310][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.513310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.513310][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5965.513310][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5965.513310][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5965.513310][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5965.513310][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5965.513310][ T73] addrconf_dad_begin+0x310/0x670 [ 5965.513310][ T73] addrconf_dad_work+0x10b/0xab0 [ 5965.513310][ T73] process_one_work+0x84d/0x18a0 [ 5965.513310][ T73] worker_thread+0x587/0xd30 [ 5965.513310][ T73] kthread+0x28a/0x350 [ 5965.513310][ T73] ret_from_fork+0x31/0x70 [ 5965.513310][ T73] ret_from_fork_asm+0x1a/0x30 [ 5965.513310][ T73] [ 5965.515225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5965.515225][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.515225][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.515225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.515225][ T73] ip6_route_add+0x1c/0x140 [ 5965.515225][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5965.515225][ T73] inet6_addr_add+0x4f8/0xa40 [ 5965.515225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.515225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.515225][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.515225][ T73] netlink_unicast+0x449/0x710 [ 5965.515225][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.515225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.515225][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.515225][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.515225][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.515225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.515225][ T73] [ 5965.517376][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5965.517376][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.517376][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.517376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.517376][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5965.517376][ T73] ipv6_add_addr+0x411/0x2000 [ 5965.517376][ T73] inet6_addr_add+0x30e/0xa40 [ 5965.517376][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.517376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.517376][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.517376][ T73] netlink_unicast+0x449/0x710 [ 5965.517376][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.517376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.517376][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.517376][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.517376][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.517376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.517376][ T73] [ 5965.519626][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5965.519626][ T73] netdev_get_by_index+0x5e/0x80 [ 5965.519626][ T73] fib6_nh_init+0x3d8/0x1580 [ 5965.519626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5965.519626][ T73] ip6_route_add+0x1c/0x140 [ 5965.519626][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5965.519626][ T73] addrconf_add_dev+0xe2/0x170 [ 5965.519626][ T73] inet6_addr_add+0x12f/0xa40 [ 5965.519626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5965.519626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.519626][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.519626][ T73] netlink_unicast+0x449/0x710 [ 5965.519626][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.519626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.519626][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.519626][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.519626][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.519626][ T73] [ 5965.521816][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5965.521816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5965.521816][ T73] ipv6_find_idev+0x102/0x170 [ 5965.521816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.521816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.521816][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.521816][ T73] netlink_unicast+0x449/0x710 [ 5965.521816][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.521816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.521816][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.521816][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.521816][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.521816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.521816][ T73] [ 5965.523563][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5965.523563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5965.523563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5965.523563][ T73] ipv6_find_idev+0x102/0x170 [ 5965.523563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5965.523563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5965.523563][ T73] netlink_rcv_skb+0x130/0x360 [ 5965.523563][ T73] netlink_unicast+0x449/0x710 [ 5965.523563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5965.523563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5965.523563][ T73] ___sys_sendmsg+0xee/0x170 [ 5965.523563][ T73] __sys_sendmsg+0xcd/0x170 [ 5965.523563][ T73] do_syscall_64+0xc6/0x1e0 [ 5965.523563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5965.523563][ T73] [ 5975.654876][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5975.655359][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.655359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5975.655359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5975.655359][ T73] fib6_nh_init+0xa22/0x1580 [ 5975.655359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.655359][ T73] ip6_route_add+0x1c/0x140 [ 5975.655359][ T73] inet6_rtm_newroute+0x104/0x110 [ 5975.655359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.655359][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.655359][ T73] netlink_unicast+0x449/0x710 [ 5975.655359][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.655359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.655359][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.655359][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.655359][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.655359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.655359][ T73] [ 5975.657347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.657347][ T73] dst_init+0x84/0x4a0 [ 5975.657347][ T73] dst_alloc+0x97/0x150 [ 5975.657347][ T73] ip6_dst_alloc+0x23/0x90 [ 5975.657347][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5975.657347][ T73] ip6_pol_route+0x56f/0x840 [ 5975.657347][ T73] fib6_rule_lookup+0x456/0x630 [ 5975.657347][ T73] ip6_route_input+0x59c/0xa50 [ 5975.657347][ T73] ipv6_rcv+0x397/0x810 [ 5975.657347][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5975.657347][ T73] process_backlog+0x101/0x620 [ 5975.657347][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5975.657347][ T73] net_rx_action+0x495/0xbe0 [ 5975.657347][ T73] __do_softirq+0x1b5/0x7f6 [ 5975.657347][ T73] [ 5975.659118][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.659118][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.659118][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.659118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.659118][ T73] ip6_route_add+0x1c/0x140 [ 5975.659118][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5975.659118][ T73] inet6_addr_add+0x4f8/0xa40 [ 5975.659118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.659118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.659118][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.659118][ T73] netlink_unicast+0x449/0x710 [ 5975.659118][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.659118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.659118][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.659118][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.659118][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.659118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.659118][ T73] [ 5975.661258][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.661258][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.661258][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.661258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.661258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5975.661258][ T73] ipv6_add_addr+0x411/0x2000 [ 5975.661258][ T73] inet6_addr_add+0x30e/0xa40 [ 5975.661258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.661258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.661258][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.661258][ T73] netlink_unicast+0x449/0x710 [ 5975.661258][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.661258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.661258][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.661258][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.661258][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.661258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.661258][ T73] [ 5975.663345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.663345][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.663345][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.663345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.663345][ T73] ip6_route_add+0x1c/0x140 [ 5975.663345][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5975.663345][ T73] addrconf_add_dev+0xe2/0x170 [ 5975.663345][ T73] inet6_addr_add+0x12f/0xa40 [ 5975.663345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.663345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.663345][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.663345][ T73] netlink_unicast+0x449/0x710 [ 5975.663345][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.663345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.663345][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.663345][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.663345][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.663345][ T73] [ 5975.665320][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.665320][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5975.665320][ T73] ipv6_find_idev+0x102/0x170 [ 5975.665320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.665320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.665320][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.665320][ T73] netlink_unicast+0x449/0x710 [ 5975.665320][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.665320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.665320][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.665320][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.665320][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.665320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.665320][ T73] [ 5975.666872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5975.666872][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5975.666872][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5975.666872][ T73] ipv6_find_idev+0x102/0x170 [ 5975.666872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.666872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.666872][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.666872][ T73] netlink_unicast+0x449/0x710 [ 5975.666872][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.666872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.666872][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.666872][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.666872][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.666872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.666872][ T73] [ 5975.668667][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5975.668989][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.668989][ T73] dst_init+0x84/0x4a0 [ 5975.668989][ T73] dst_alloc+0x97/0x150 [ 5975.668989][ T73] ip6_dst_alloc+0x23/0x90 [ 5975.668989][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5975.668989][ T73] ip6_pol_route+0x56f/0x840 [ 5975.668989][ T73] fib6_rule_lookup+0x456/0x630 [ 5975.668989][ T73] ip6_route_input+0x59c/0xa50 [ 5975.668989][ T73] ipv6_rcv+0x397/0x810 [ 5975.668989][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5975.668989][ T73] process_backlog+0x101/0x620 [ 5975.668989][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5975.668989][ T73] net_rx_action+0x495/0xbe0 [ 5975.668989][ T73] __do_softirq+0x1b5/0x7f6 [ 5975.668989][ T73] [ 5975.670743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.670743][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.670743][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.670743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.670743][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5975.670743][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5975.670743][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5975.670743][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5975.670743][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5975.670743][ T73] addrconf_dad_begin+0x310/0x670 [ 5975.670743][ T73] addrconf_dad_work+0x10b/0xab0 [ 5975.670743][ T73] process_one_work+0x84d/0x18a0 [ 5975.670743][ T73] worker_thread+0x587/0xd30 [ 5975.670743][ T73] kthread+0x28a/0x350 [ 5975.670743][ T73] ret_from_fork+0x31/0x70 [ 5975.670743][ T73] ret_from_fork_asm+0x1a/0x30 [ 5975.670743][ T73] [ 5975.672723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.672723][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.672723][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.672723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.672723][ T73] ip6_route_add+0x1c/0x140 [ 5975.672723][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5975.672723][ T73] inet6_addr_add+0x4f8/0xa40 [ 5975.672723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.672723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.672723][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.672723][ T73] netlink_unicast+0x449/0x710 [ 5975.672723][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.672723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.672723][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.672723][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.672723][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.672723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.672723][ T73] [ 5975.674762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.674762][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.674762][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.674762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.674762][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5975.674762][ T73] ipv6_add_addr+0x411/0x2000 [ 5975.674762][ T73] inet6_addr_add+0x30e/0xa40 [ 5975.674762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.674762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.674762][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.674762][ T73] netlink_unicast+0x449/0x710 [ 5975.674762][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.674762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.674762][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.674762][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.674762][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.674762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.674762][ T73] [ 5975.676770][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.676770][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.676770][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.676770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.676770][ T73] ip6_route_add+0x1c/0x140 [ 5975.676770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5975.676770][ T73] addrconf_add_dev+0xe2/0x170 [ 5975.676770][ T73] inet6_addr_add+0x12f/0xa40 [ 5975.676770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.676770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.676770][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.676770][ T73] netlink_unicast+0x449/0x710 [ 5975.676770][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.676770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.676770][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.676770][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.676770][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.676770][ T73] [ 5975.678878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.678878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5975.678878][ T73] ipv6_find_idev+0x102/0x170 [ 5975.678878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.678878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.678878][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.678878][ T73] netlink_unicast+0x449/0x710 [ 5975.678878][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.678878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.678878][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.678878][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.678878][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.678878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.678878][ T73] [ 5975.680487][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5975.680487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5975.680487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5975.680487][ T73] ipv6_find_idev+0x102/0x170 [ 5975.680487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.680487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.680487][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.680487][ T73] netlink_unicast+0x449/0x710 [ 5975.680487][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.680487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.680487][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.680487][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.680487][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.680487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.680487][ T73] [ 5975.682455][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5975.682858][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.682858][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5975.682858][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5975.682858][ T73] fib6_nh_init+0xa22/0x1580 [ 5975.682858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.682858][ T73] ip6_route_add+0x1c/0x140 [ 5975.682858][ T73] inet6_rtm_newroute+0x104/0x110 [ 5975.682858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.682858][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.682858][ T73] netlink_unicast+0x449/0x710 [ 5975.682858][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.682858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.682858][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.682858][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.682858][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.682858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.682858][ T73] [ 5975.685057][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.685057][ T73] dst_init+0x84/0x4a0 [ 5975.685057][ T73] dst_alloc+0x97/0x150 [ 5975.685057][ T73] ip6_dst_alloc+0x23/0x90 [ 5975.685057][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5975.685057][ T73] ip6_pol_route+0x56f/0x840 [ 5975.685057][ T73] fib6_rule_lookup+0x456/0x630 [ 5975.685057][ T73] ip6_route_input+0x59c/0xa50 [ 5975.685057][ T73] ipv6_rcv+0x397/0x810 [ 5975.685057][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5975.685057][ T73] process_backlog+0x101/0x620 [ 5975.685057][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5975.685057][ T73] net_rx_action+0x495/0xbe0 [ 5975.685057][ T73] __do_softirq+0x1b5/0x7f6 [ 5975.685057][ T73] [ 5975.687012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.687012][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.687012][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.687012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.687012][ T73] ip6_route_add+0x1c/0x140 [ 5975.687012][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5975.687012][ T73] inet6_addr_add+0x4f8/0xa40 [ 5975.687012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.687012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.687012][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.687012][ T73] netlink_unicast+0x449/0x710 [ 5975.687012][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.687012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.687012][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.687012][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.687012][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.687012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.687012][ T73] [ 5975.689407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.689407][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.689407][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.689407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.689407][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5975.689407][ T73] ipv6_add_addr+0x411/0x2000 [ 5975.689407][ T73] inet6_addr_add+0x30e/0xa40 [ 5975.689407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.689407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.689407][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.689407][ T73] netlink_unicast+0x449/0x710 [ 5975.689407][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.689407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.689407][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.689407][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.689407][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.689407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.689407][ T73] [ 5975.691807][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.691807][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.691807][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.691807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.691807][ T73] ip6_route_add+0x1c/0x140 [ 5975.691807][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5975.691807][ T73] addrconf_add_dev+0xe2/0x170 [ 5975.691807][ T73] inet6_addr_add+0x12f/0xa40 [ 5975.691807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.691807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.691807][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.691807][ T73] netlink_unicast+0x449/0x710 [ 5975.691807][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.691807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.691807][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.691807][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.691807][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.691807][ T73] [ 5975.694270][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.694270][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5975.694270][ T73] ipv6_find_idev+0x102/0x170 [ 5975.694270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.694270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.694270][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.694270][ T73] netlink_unicast+0x449/0x710 [ 5975.694270][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.694270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.694270][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.694270][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.694270][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.694270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.694270][ T73] [ 5975.696088][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5975.696088][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5975.696088][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5975.696088][ T73] ipv6_find_idev+0x102/0x170 [ 5975.696088][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.696088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.696088][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.696088][ T73] netlink_unicast+0x449/0x710 [ 5975.696088][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.696088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.696088][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.696088][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.696088][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.696088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.696088][ T73] [ 5975.697970][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5975.698245][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5975.698245][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.698245][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.698245][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.698245][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5975.698245][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5975.698245][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5975.698245][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5975.698245][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5975.698245][ T73] addrconf_dad_begin+0x310/0x670 [ 5975.698245][ T73] addrconf_dad_work+0x10b/0xab0 [ 5975.698245][ T73] process_one_work+0x84d/0x18a0 [ 5975.698245][ T73] worker_thread+0x587/0xd30 [ 5975.698245][ T73] kthread+0x28a/0x350 [ 5975.698245][ T73] ret_from_fork+0x31/0x70 [ 5975.698245][ T73] ret_from_fork_asm+0x1a/0x30 [ 5975.698245][ T73] [ 5975.700408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5975.700408][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.700408][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.700408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.700408][ T73] ip6_route_add+0x1c/0x140 [ 5975.700408][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5975.700408][ T73] inet6_addr_add+0x4f8/0xa40 [ 5975.700408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.700408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.700408][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.700408][ T73] netlink_unicast+0x449/0x710 [ 5975.700408][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.700408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.700408][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.700408][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.700408][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.700408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.700408][ T73] [ 5975.702864][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5975.702864][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.702864][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.702864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.702864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5975.702864][ T73] ipv6_add_addr+0x411/0x2000 [ 5975.702864][ T73] inet6_addr_add+0x30e/0xa40 [ 5975.702864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.702864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.702864][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.702864][ T73] netlink_unicast+0x449/0x710 [ 5975.702864][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.702864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.702864][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.702864][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.702864][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.702864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.702864][ T73] [ 5975.705347][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5975.705347][ T73] netdev_get_by_index+0x5e/0x80 [ 5975.705347][ T73] fib6_nh_init+0x3d8/0x1580 [ 5975.705347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5975.705347][ T73] ip6_route_add+0x1c/0x140 [ 5975.705347][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5975.705347][ T73] addrconf_add_dev+0xe2/0x170 [ 5975.705347][ T73] inet6_addr_add+0x12f/0xa40 [ 5975.705347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.705347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.705347][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.705347][ T73] netlink_unicast+0x449/0x710 [ 5975.705347][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.705347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.705347][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.705347][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.705347][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.705347][ T73] [ 5975.707599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5975.707599][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5975.707599][ T73] ipv6_find_idev+0x102/0x170 [ 5975.707599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.707599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.707599][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.707599][ T73] netlink_unicast+0x449/0x710 [ 5975.707599][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.707599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.707599][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.707599][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.707599][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.707599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.707599][ T73] [ 5975.709464][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5975.709464][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5975.709464][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5975.709464][ T73] ipv6_find_idev+0x102/0x170 [ 5975.709464][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.709464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.709464][ T73] netlink_rcv_skb+0x130/0x360 [ 5975.709464][ T73] netlink_unicast+0x449/0x710 [ 5975.709464][ T73] netlink_sendmsg+0x723/0xbe0 [ 5975.709464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5975.709464][ T73] ___sys_sendmsg+0xee/0x170 [ 5975.709464][ T73] __sys_sendmsg+0xcd/0x170 [ 5975.709464][ T73] do_syscall_64+0xc6/0x1e0 [ 5975.709464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.709464][ T73] [ 5985.886841][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5985.887311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.887311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5985.887311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5985.887311][ T73] fib6_nh_init+0xa22/0x1580 [ 5985.887311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.887311][ T73] ip6_route_add+0x1c/0x140 [ 5985.887311][ T73] inet6_rtm_newroute+0x104/0x110 [ 5985.887311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.887311][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.887311][ T73] netlink_unicast+0x449/0x710 [ 5985.887311][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.887311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.887311][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.887311][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.887311][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.887311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.887311][ T73] [ 5985.889194][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.889194][ T73] dst_init+0x84/0x4a0 [ 5985.889194][ T73] dst_alloc+0x97/0x150 [ 5985.889194][ T73] ip6_dst_alloc+0x23/0x90 [ 5985.889194][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5985.889194][ T73] ip6_pol_route+0x56f/0x840 [ 5985.889194][ T73] fib6_rule_lookup+0x456/0x630 [ 5985.889194][ T73] ip6_route_input+0x59c/0xa50 [ 5985.889194][ T73] ipv6_rcv+0x397/0x810 [ 5985.889194][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5985.889194][ T73] process_backlog+0x101/0x620 [ 5985.889194][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5985.889194][ T73] net_rx_action+0x495/0xbe0 [ 5985.889194][ T73] __do_softirq+0x1b5/0x7f6 [ 5985.889194][ T73] [ 5985.890836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.890836][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.890836][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.890836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.890836][ T73] ip6_route_add+0x1c/0x140 [ 5985.890836][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5985.890836][ T73] inet6_addr_add+0x4f8/0xa40 [ 5985.890836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.890836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.890836][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.890836][ T73] netlink_unicast+0x449/0x710 [ 5985.890836][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.890836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.890836][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.890836][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.890836][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.890836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.890836][ T73] [ 5985.892828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.892828][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.892828][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.892828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.892828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5985.892828][ T73] ipv6_add_addr+0x411/0x2000 [ 5985.892828][ T73] inet6_addr_add+0x30e/0xa40 [ 5985.892828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.892828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.892828][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.892828][ T73] netlink_unicast+0x449/0x710 [ 5985.892828][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.892828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.892828][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.892828][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.892828][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.892828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.892828][ T73] [ 5985.894822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.894822][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.894822][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.894822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.894822][ T73] ip6_route_add+0x1c/0x140 [ 5985.894822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5985.894822][ T73] addrconf_add_dev+0xe2/0x170 [ 5985.894822][ T73] inet6_addr_add+0x12f/0xa40 [ 5985.894822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.894822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.894822][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.894822][ T73] netlink_unicast+0x449/0x710 [ 5985.894822][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.894822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.894822][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.894822][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.894822][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.894822][ T73] [ 5985.896773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.896773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5985.896773][ T73] ipv6_find_idev+0x102/0x170 [ 5985.896773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.896773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.896773][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.896773][ T73] netlink_unicast+0x449/0x710 [ 5985.896773][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.896773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.896773][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.896773][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.896773][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.896773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.896773][ T73] [ 5985.898314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5985.898314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5985.898314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5985.898314][ T73] ipv6_find_idev+0x102/0x170 [ 5985.898314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.898314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.898314][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.898314][ T73] netlink_unicast+0x449/0x710 [ 5985.898314][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.898314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.898314][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.898314][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.898314][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.898314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.898314][ T73] [ 5985.899998][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5985.900273][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.900273][ T73] dst_init+0x84/0x4a0 [ 5985.900273][ T73] dst_alloc+0x97/0x150 [ 5985.900273][ T73] ip6_dst_alloc+0x23/0x90 [ 5985.900273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5985.900273][ T73] ip6_pol_route+0x56f/0x840 [ 5985.900273][ T73] fib6_rule_lookup+0x456/0x630 [ 5985.900273][ T73] ip6_route_input+0x59c/0xa50 [ 5985.900273][ T73] ipv6_rcv+0x397/0x810 [ 5985.900273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5985.900273][ T73] process_backlog+0x101/0x620 [ 5985.900273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5985.900273][ T73] net_rx_action+0x495/0xbe0 [ 5985.900273][ T73] __do_softirq+0x1b5/0x7f6 [ 5985.900273][ T73] [ 5985.902009][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.902009][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.902009][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.902009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.902009][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5985.902009][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5985.902009][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5985.902009][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5985.902009][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5985.902009][ T73] addrconf_dad_begin+0x310/0x670 [ 5985.902009][ T73] addrconf_dad_work+0x10b/0xab0 [ 5985.902009][ T73] process_one_work+0x84d/0x18a0 [ 5985.902009][ T73] worker_thread+0x587/0xd30 [ 5985.902009][ T73] kthread+0x28a/0x350 [ 5985.902009][ T73] ret_from_fork+0x31/0x70 [ 5985.902009][ T73] ret_from_fork_asm+0x1a/0x30 [ 5985.902009][ T73] [ 5985.903922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.903922][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.903922][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.903922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.903922][ T73] ip6_route_add+0x1c/0x140 [ 5985.903922][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5985.903922][ T73] inet6_addr_add+0x4f8/0xa40 [ 5985.903922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.903922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.903922][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.903922][ T73] netlink_unicast+0x449/0x710 [ 5985.903922][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.903922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.903922][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.903922][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.903922][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.903922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.903922][ T73] [ 5985.905909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.905909][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.905909][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.905909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.905909][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5985.905909][ T73] ipv6_add_addr+0x411/0x2000 [ 5985.905909][ T73] inet6_addr_add+0x30e/0xa40 [ 5985.905909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.905909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.905909][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.905909][ T73] netlink_unicast+0x449/0x710 [ 5985.905909][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.905909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.905909][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.905909][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.905909][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.905909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.905909][ T73] [ 5985.907893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.907893][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.907893][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.907893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.907893][ T73] ip6_route_add+0x1c/0x140 [ 5985.907893][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5985.907893][ T73] addrconf_add_dev+0xe2/0x170 [ 5985.907893][ T73] inet6_addr_add+0x12f/0xa40 [ 5985.907893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.907893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.907893][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.907893][ T73] netlink_unicast+0x449/0x710 [ 5985.907893][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.907893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.907893][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.907893][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.907893][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.907893][ T73] [ 5985.909853][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.909853][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5985.909853][ T73] ipv6_find_idev+0x102/0x170 [ 5985.909853][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.909853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.909853][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.909853][ T73] netlink_unicast+0x449/0x710 [ 5985.909853][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.909853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.909853][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.909853][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.909853][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.909853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.909853][ T73] [ 5985.911397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5985.911397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5985.911397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5985.911397][ T73] ipv6_find_idev+0x102/0x170 [ 5985.911397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.911397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.911397][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.911397][ T73] netlink_unicast+0x449/0x710 [ 5985.911397][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.911397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.911397][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.911397][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.911397][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.911397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.911397][ T73] [ 5985.913145][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5985.913477][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.913477][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5985.913477][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5985.913477][ T73] fib6_nh_init+0xa22/0x1580 [ 5985.913477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.913477][ T73] ip6_route_add+0x1c/0x140 [ 5985.913477][ T73] inet6_rtm_newroute+0x104/0x110 [ 5985.913477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.913477][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.913477][ T73] netlink_unicast+0x449/0x710 [ 5985.913477][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.913477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.913477][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.913477][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.913477][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.913477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.913477][ T73] [ 5985.915469][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.915469][ T73] dst_init+0x84/0x4a0 [ 5985.915469][ T73] dst_alloc+0x97/0x150 [ 5985.915469][ T73] ip6_dst_alloc+0x23/0x90 [ 5985.915469][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5985.915469][ T73] ip6_pol_route+0x56f/0x840 [ 5985.915469][ T73] fib6_rule_lookup+0x456/0x630 [ 5985.915469][ T73] ip6_route_input+0x59c/0xa50 [ 5985.915469][ T73] ipv6_rcv+0x397/0x810 [ 5985.915469][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5985.915469][ T73] process_backlog+0x101/0x620 [ 5985.915469][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5985.915469][ T73] net_rx_action+0x495/0xbe0 [ 5985.915469][ T73] __do_softirq+0x1b5/0x7f6 [ 5985.915469][ T73] [ 5985.917285][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.917285][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.917285][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.917285][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.917285][ T73] ip6_route_add+0x1c/0x140 [ 5985.917285][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5985.917285][ T73] inet6_addr_add+0x4f8/0xa40 [ 5985.917285][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.917285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.917285][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.917285][ T73] netlink_unicast+0x449/0x710 [ 5985.917285][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.917285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.917285][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.917285][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.917285][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.917285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.917285][ T73] [ 5985.919583][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.919583][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.919583][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.919583][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.919583][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5985.919583][ T73] ipv6_add_addr+0x411/0x2000 [ 5985.919583][ T73] inet6_addr_add+0x30e/0xa40 [ 5985.919583][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.919583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.919583][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.919583][ T73] netlink_unicast+0x449/0x710 [ 5985.919583][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.919583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.919583][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.919583][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.919583][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.919583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.919583][ T73] [ 5985.921810][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.921810][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.921810][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.921810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.921810][ T73] ip6_route_add+0x1c/0x140 [ 5985.921810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5985.921810][ T73] addrconf_add_dev+0xe2/0x170 [ 5985.921810][ T73] inet6_addr_add+0x12f/0xa40 [ 5985.921810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.921810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.921810][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.921810][ T73] netlink_unicast+0x449/0x710 [ 5985.921810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.921810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.921810][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.921810][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.921810][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.921810][ T73] [ 5985.924011][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.924011][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5985.924011][ T73] ipv6_find_idev+0x102/0x170 [ 5985.924011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.924011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.924011][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.924011][ T73] netlink_unicast+0x449/0x710 [ 5985.924011][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.924011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.924011][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.924011][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.924011][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.924011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.924011][ T73] [ 5985.925723][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5985.925723][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5985.925723][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5985.925723][ T73] ipv6_find_idev+0x102/0x170 [ 5985.925723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.925723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.925723][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.925723][ T73] netlink_unicast+0x449/0x710 [ 5985.925723][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.925723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.925723][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.925723][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.925723][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.925723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.925723][ T73] [ 5985.927643][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5985.928041][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5985.928041][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.928041][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.928041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.928041][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5985.928041][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5985.928041][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5985.928041][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5985.928041][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5985.928041][ T73] addrconf_dad_begin+0x310/0x670 [ 5985.928041][ T73] addrconf_dad_work+0x10b/0xab0 [ 5985.928041][ T73] process_one_work+0x84d/0x18a0 [ 5985.928041][ T73] worker_thread+0x587/0xd30 [ 5985.928041][ T73] kthread+0x28a/0x350 [ 5985.928041][ T73] ret_from_fork+0x31/0x70 [ 5985.928041][ T73] ret_from_fork_asm+0x1a/0x30 [ 5985.928041][ T73] [ 5985.930131][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5985.930131][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.930131][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.930131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.930131][ T73] ip6_route_add+0x1c/0x140 [ 5985.930131][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5985.930131][ T73] inet6_addr_add+0x4f8/0xa40 [ 5985.930131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.930131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.930131][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.930131][ T73] netlink_unicast+0x449/0x710 [ 5985.930131][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.930131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.930131][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.930131][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.930131][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.930131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.930131][ T73] [ 5985.932300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5985.932300][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.932300][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.932300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.932300][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5985.932300][ T73] ipv6_add_addr+0x411/0x2000 [ 5985.932300][ T73] inet6_addr_add+0x30e/0xa40 [ 5985.932300][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.932300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.932300][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.932300][ T73] netlink_unicast+0x449/0x710 [ 5985.932300][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.932300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.932300][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.932300][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.932300][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.932300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.932300][ T73] [ 5985.934538][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5985.934538][ T73] netdev_get_by_index+0x5e/0x80 [ 5985.934538][ T73] fib6_nh_init+0x3d8/0x1580 [ 5985.934538][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5985.934538][ T73] ip6_route_add+0x1c/0x140 [ 5985.934538][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5985.934538][ T73] addrconf_add_dev+0xe2/0x170 [ 5985.934538][ T73] inet6_addr_add+0x12f/0xa40 [ 5985.934538][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.934538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.934538][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.934538][ T73] netlink_unicast+0x449/0x710 [ 5985.934538][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.934538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.934538][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.934538][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.934538][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.934538][ T73] [ 5985.936803][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5985.936803][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5985.936803][ T73] ipv6_find_idev+0x102/0x170 [ 5985.936803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.936803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.936803][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.936803][ T73] netlink_unicast+0x449/0x710 [ 5985.936803][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.936803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.936803][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.936803][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.936803][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.936803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.936803][ T73] [ 5985.938522][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5985.938522][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5985.938522][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5985.938522][ T73] ipv6_find_idev+0x102/0x170 [ 5985.938522][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.938522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.938522][ T73] netlink_rcv_skb+0x130/0x360 [ 5985.938522][ T73] netlink_unicast+0x449/0x710 [ 5985.938522][ T73] netlink_sendmsg+0x723/0xbe0 [ 5985.938522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5985.938522][ T73] ___sys_sendmsg+0xee/0x170 [ 5985.938522][ T73] __sys_sendmsg+0xcd/0x170 [ 5985.938522][ T73] do_syscall_64+0xc6/0x1e0 [ 5985.938522][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.938522][ T73] [ 5996.190898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 5996.191291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.191291][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5996.191291][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5996.191291][ T73] fib6_nh_init+0xa22/0x1580 [ 5996.191291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.191291][ T73] ip6_route_add+0x1c/0x140 [ 5996.191291][ T73] inet6_rtm_newroute+0x104/0x110 [ 5996.191291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.191291][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.191291][ T73] netlink_unicast+0x449/0x710 [ 5996.191291][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.191291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.191291][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.191291][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.191291][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.191291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.191291][ T73] [ 5996.193215][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.193215][ T73] dst_init+0x84/0x4a0 [ 5996.193215][ T73] dst_alloc+0x97/0x150 [ 5996.193215][ T73] ip6_dst_alloc+0x23/0x90 [ 5996.193215][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5996.193215][ T73] ip6_pol_route+0x56f/0x840 [ 5996.193215][ T73] fib6_rule_lookup+0x456/0x630 [ 5996.193215][ T73] ip6_route_input+0x59c/0xa50 [ 5996.193215][ T73] ipv6_rcv+0x397/0x810 [ 5996.193215][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5996.193215][ T73] process_backlog+0x101/0x620 [ 5996.193215][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5996.193215][ T73] net_rx_action+0x495/0xbe0 [ 5996.193215][ T73] __do_softirq+0x1b5/0x7f6 [ 5996.193215][ T73] [ 5996.194845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.194845][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.194845][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.194845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.194845][ T73] ip6_route_add+0x1c/0x140 [ 5996.194845][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5996.194845][ T73] inet6_addr_add+0x4f8/0xa40 [ 5996.194845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.194845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.194845][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.194845][ T73] netlink_unicast+0x449/0x710 [ 5996.194845][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.194845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.194845][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.194845][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.194845][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.194845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.194845][ T73] [ 5996.196831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.196831][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.196831][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.196831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.196831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5996.196831][ T73] ipv6_add_addr+0x411/0x2000 [ 5996.196831][ T73] inet6_addr_add+0x30e/0xa40 [ 5996.196831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.196831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.196831][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.196831][ T73] netlink_unicast+0x449/0x710 [ 5996.196831][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.196831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.196831][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.196831][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.196831][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.196831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.196831][ T73] [ 5996.198819][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.198819][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.198819][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.198819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.198819][ T73] ip6_route_add+0x1c/0x140 [ 5996.198819][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5996.198819][ T73] addrconf_add_dev+0xe2/0x170 [ 5996.198819][ T73] inet6_addr_add+0x12f/0xa40 [ 5996.198819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.198819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.198819][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.198819][ T73] netlink_unicast+0x449/0x710 [ 5996.198819][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.198819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.198819][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.198819][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.198819][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.198819][ T73] [ 5996.200771][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.200771][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5996.200771][ T73] ipv6_find_idev+0x102/0x170 [ 5996.200771][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.200771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.200771][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.200771][ T73] netlink_unicast+0x449/0x710 [ 5996.200771][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.200771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.200771][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.200771][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.200771][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.200771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.200771][ T73] [ 5996.202302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 5996.202302][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5996.202302][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5996.202302][ T73] ipv6_find_idev+0x102/0x170 [ 5996.202302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.202302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.202302][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.202302][ T73] netlink_unicast+0x449/0x710 [ 5996.202302][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.202302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.202302][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.202302][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.202302][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.202302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.202302][ T73] [ 5996.203995][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5996.204264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.204264][ T73] dst_init+0x84/0x4a0 [ 5996.204264][ T73] dst_alloc+0x97/0x150 [ 5996.204264][ T73] ip6_dst_alloc+0x23/0x90 [ 5996.204264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5996.204264][ T73] ip6_pol_route+0x56f/0x840 [ 5996.204264][ T73] fib6_rule_lookup+0x456/0x630 [ 5996.204264][ T73] ip6_route_input+0x59c/0xa50 [ 5996.204264][ T73] ipv6_rcv+0x397/0x810 [ 5996.204264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5996.204264][ T73] process_backlog+0x101/0x620 [ 5996.204264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5996.204264][ T73] net_rx_action+0x495/0xbe0 [ 5996.204264][ T73] __do_softirq+0x1b5/0x7f6 [ 5996.204264][ T73] [ 5996.205895][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.205895][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.205895][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.205895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.205895][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5996.205895][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5996.205895][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5996.205895][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5996.205895][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5996.205895][ T73] addrconf_dad_begin+0x310/0x670 [ 5996.205895][ T73] addrconf_dad_work+0x10b/0xab0 [ 5996.205895][ T73] process_one_work+0x84d/0x18a0 [ 5996.205895][ T73] worker_thread+0x587/0xd30 [ 5996.205895][ T73] kthread+0x28a/0x350 [ 5996.205895][ T73] ret_from_fork+0x31/0x70 [ 5996.205895][ T73] ret_from_fork_asm+0x1a/0x30 [ 5996.205895][ T73] [ 5996.207794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.207794][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.207794][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.207794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.207794][ T73] ip6_route_add+0x1c/0x140 [ 5996.207794][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5996.207794][ T73] inet6_addr_add+0x4f8/0xa40 [ 5996.207794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.207794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.207794][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.207794][ T73] netlink_unicast+0x449/0x710 [ 5996.207794][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.207794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.207794][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.207794][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.207794][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.207794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.207794][ T73] [ 5996.209794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.209794][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.209794][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.209794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.209794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5996.209794][ T73] ipv6_add_addr+0x411/0x2000 [ 5996.209794][ T73] inet6_addr_add+0x30e/0xa40 [ 5996.209794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.209794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.209794][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.209794][ T73] netlink_unicast+0x449/0x710 [ 5996.209794][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.209794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.209794][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.209794][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.209794][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.209794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.209794][ T73] [ 5996.211782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.211782][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.211782][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.211782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.211782][ T73] ip6_route_add+0x1c/0x140 [ 5996.211782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5996.211782][ T73] addrconf_add_dev+0xe2/0x170 [ 5996.211782][ T73] inet6_addr_add+0x12f/0xa40 [ 5996.211782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.211782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.211782][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.211782][ T73] netlink_unicast+0x449/0x710 [ 5996.211782][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.211782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.211782][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.211782][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.211782][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.211782][ T73] [ 5996.213741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.213741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5996.213741][ T73] ipv6_find_idev+0x102/0x170 [ 5996.213741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.213741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.213741][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.213741][ T73] netlink_unicast+0x449/0x710 [ 5996.213741][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.213741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.213741][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.213741][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.213741][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.213741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.213741][ T73] [ 5996.215275][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 5996.215275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5996.215275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5996.215275][ T73] ipv6_find_idev+0x102/0x170 [ 5996.215275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.215275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.215275][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.215275][ T73] netlink_unicast+0x449/0x710 [ 5996.215275][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.215275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.215275][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.215275][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.215275][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.215275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.215275][ T73] [ 5996.217030][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5996.217362][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.217362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 5996.217362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 5996.217362][ T73] fib6_nh_init+0xa22/0x1580 [ 5996.217362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.217362][ T73] ip6_route_add+0x1c/0x140 [ 5996.217362][ T73] inet6_rtm_newroute+0x104/0x110 [ 5996.217362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.217362][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.217362][ T73] netlink_unicast+0x449/0x710 [ 5996.217362][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.217362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.217362][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.217362][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.217362][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.217362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.217362][ T73] [ 5996.219343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.219343][ T73] dst_init+0x84/0x4a0 [ 5996.219343][ T73] dst_alloc+0x97/0x150 [ 5996.219343][ T73] ip6_dst_alloc+0x23/0x90 [ 5996.219343][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5996.219343][ T73] ip6_pol_route+0x56f/0x840 [ 5996.219343][ T73] fib6_rule_lookup+0x456/0x630 [ 5996.219343][ T73] ip6_route_input+0x59c/0xa50 [ 5996.219343][ T73] ipv6_rcv+0x397/0x810 [ 5996.219343][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 5996.219343][ T73] process_backlog+0x101/0x620 [ 5996.219343][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 5996.219343][ T73] net_rx_action+0x495/0xbe0 [ 5996.219343][ T73] __do_softirq+0x1b5/0x7f6 [ 5996.219343][ T73] [ 5996.221154][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.221154][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.221154][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.221154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.221154][ T73] ip6_route_add+0x1c/0x140 [ 5996.221154][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5996.221154][ T73] inet6_addr_add+0x4f8/0xa40 [ 5996.221154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.221154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.221154][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.221154][ T73] netlink_unicast+0x449/0x710 [ 5996.221154][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.221154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.221154][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.221154][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.221154][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.221154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.221154][ T73] [ 5996.223390][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.223390][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.223390][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.223390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.223390][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5996.223390][ T73] ipv6_add_addr+0x411/0x2000 [ 5996.223390][ T73] inet6_addr_add+0x30e/0xa40 [ 5996.223390][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.223390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.223390][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.223390][ T73] netlink_unicast+0x449/0x710 [ 5996.223390][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.223390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.223390][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.223390][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.223390][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.223390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.223390][ T73] [ 5996.225563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.225563][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.225563][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.225563][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.225563][ T73] ip6_route_add+0x1c/0x140 [ 5996.225563][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5996.225563][ T73] addrconf_add_dev+0xe2/0x170 [ 5996.225563][ T73] inet6_addr_add+0x12f/0xa40 [ 5996.225563][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.225563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.225563][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.225563][ T73] netlink_unicast+0x449/0x710 [ 5996.225563][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.225563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.225563][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.225563][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.225563][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.225563][ T73] [ 5996.227810][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.227810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5996.227810][ T73] ipv6_find_idev+0x102/0x170 [ 5996.227810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.227810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.227810][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.227810][ T73] netlink_unicast+0x449/0x710 [ 5996.227810][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.227810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.227810][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.227810][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.227810][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.227810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.227810][ T73] [ 5996.229523][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 5996.229523][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5996.229523][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5996.229523][ T73] ipv6_find_idev+0x102/0x170 [ 5996.229523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.229523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.229523][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.229523][ T73] netlink_unicast+0x449/0x710 [ 5996.229523][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.229523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.229523][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.229523][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.229523][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.229523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.229523][ T73] [ 5996.231377][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5996.231705][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5996.231705][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.231705][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.231705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.231705][ T73] addrconf_f6i_alloc+0x265/0x560 [ 5996.231705][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5996.231705][ T73] addrconf_join_anycast+0x1c0/0x220 [ 5996.231705][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5996.231705][ T73] addrconf_dad_completed+0x12b/0xe20 [ 5996.231705][ T73] addrconf_dad_begin+0x310/0x670 [ 5996.231705][ T73] addrconf_dad_work+0x10b/0xab0 [ 5996.231705][ T73] process_one_work+0x84d/0x18a0 [ 5996.231705][ T73] worker_thread+0x587/0xd30 [ 5996.231705][ T73] kthread+0x28a/0x350 [ 5996.231705][ T73] ret_from_fork+0x31/0x70 [ 5996.231705][ T73] ret_from_fork_asm+0x1a/0x30 [ 5996.231705][ T73] [ 5996.233807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5996.233807][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.233807][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.233807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.233807][ T73] ip6_route_add+0x1c/0x140 [ 5996.233807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 5996.233807][ T73] inet6_addr_add+0x4f8/0xa40 [ 5996.233807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.233807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.233807][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.233807][ T73] netlink_unicast+0x449/0x710 [ 5996.233807][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.233807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.233807][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.233807][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.233807][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.233807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.233807][ T73] [ 5996.236101][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5996.236101][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.236101][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.236101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.236101][ T73] addrconf_f6i_alloc+0x315/0x560 [ 5996.236101][ T73] ipv6_add_addr+0x411/0x2000 [ 5996.236101][ T73] inet6_addr_add+0x30e/0xa40 [ 5996.236101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.236101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.236101][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.236101][ T73] netlink_unicast+0x449/0x710 [ 5996.236101][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.236101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.236101][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.236101][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.236101][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.236101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.236101][ T73] [ 5996.238323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5996.238323][ T73] netdev_get_by_index+0x5e/0x80 [ 5996.238323][ T73] fib6_nh_init+0x3d8/0x1580 [ 5996.238323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 5996.238323][ T73] ip6_route_add+0x1c/0x140 [ 5996.238323][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 5996.238323][ T73] addrconf_add_dev+0xe2/0x170 [ 5996.238323][ T73] inet6_addr_add+0x12f/0xa40 [ 5996.238323][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 5996.238323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.238323][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.238323][ T73] netlink_unicast+0x449/0x710 [ 5996.238323][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.238323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.238323][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.238323][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.238323][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.238323][ T73] [ 5996.240532][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5996.240532][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 5996.240532][ T73] ipv6_find_idev+0x102/0x170 [ 5996.240532][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.240532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.240532][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.240532][ T73] netlink_unicast+0x449/0x710 [ 5996.240532][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.240532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.240532][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.240532][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.240532][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.240532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.240532][ T73] [ 5996.242255][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 5996.242255][ T73] neigh_parms_alloc+0x1e5/0x510 [ 5996.242255][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 5996.242255][ T73] ipv6_find_idev+0x102/0x170 [ 5996.242255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 5996.242255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5996.242255][ T73] netlink_rcv_skb+0x130/0x360 [ 5996.242255][ T73] netlink_unicast+0x449/0x710 [ 5996.242255][ T73] netlink_sendmsg+0x723/0xbe0 [ 5996.242255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 5996.242255][ T73] ___sys_sendmsg+0xee/0x170 [ 5996.242255][ T73] __sys_sendmsg+0xcd/0x170 [ 5996.242255][ T73] do_syscall_64+0xc6/0x1e0 [ 5996.242255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5996.242255][ T73] [ 6006.494908][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6006.495364][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.495364][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6006.495364][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6006.495364][ T73] fib6_nh_init+0xa22/0x1580 [ 6006.495364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.495364][ T73] ip6_route_add+0x1c/0x140 [ 6006.495364][ T73] inet6_rtm_newroute+0x104/0x110 [ 6006.495364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.495364][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.495364][ T73] netlink_unicast+0x449/0x710 [ 6006.495364][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.495364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.495364][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.495364][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.495364][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.495364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.495364][ T73] [ 6006.497378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.497378][ T73] dst_init+0x84/0x4a0 [ 6006.497378][ T73] dst_alloc+0x97/0x150 [ 6006.497378][ T73] ip6_dst_alloc+0x23/0x90 [ 6006.497378][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6006.497378][ T73] ip6_pol_route+0x56f/0x840 [ 6006.497378][ T73] fib6_rule_lookup+0x456/0x630 [ 6006.497378][ T73] ip6_route_input+0x59c/0xa50 [ 6006.497378][ T73] ipv6_rcv+0x397/0x810 [ 6006.497378][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6006.497378][ T73] process_backlog+0x101/0x620 [ 6006.497378][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6006.497378][ T73] net_rx_action+0x495/0xbe0 [ 6006.497378][ T73] __do_softirq+0x1b5/0x7f6 [ 6006.497378][ T73] [ 6006.499015][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.499015][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.499015][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.499015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.499015][ T73] ip6_route_add+0x1c/0x140 [ 6006.499015][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6006.499015][ T73] inet6_addr_add+0x4f8/0xa40 [ 6006.499015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.499015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.499015][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.499015][ T73] netlink_unicast+0x449/0x710 [ 6006.499015][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.499015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.499015][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.499015][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.499015][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.499015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.499015][ T73] [ 6006.501007][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.501007][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.501007][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.501007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.501007][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6006.501007][ T73] ipv6_add_addr+0x411/0x2000 [ 6006.501007][ T73] inet6_addr_add+0x30e/0xa40 [ 6006.501007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.501007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.501007][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.501007][ T73] netlink_unicast+0x449/0x710 [ 6006.501007][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.501007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.501007][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.501007][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.501007][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.501007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.501007][ T73] [ 6006.503009][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.503009][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.503009][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.503009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.503009][ T73] ip6_route_add+0x1c/0x140 [ 6006.503009][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6006.503009][ T73] addrconf_add_dev+0xe2/0x170 [ 6006.503009][ T73] inet6_addr_add+0x12f/0xa40 [ 6006.503009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.503009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.503009][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.503009][ T73] netlink_unicast+0x449/0x710 [ 6006.503009][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.503009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.503009][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.503009][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.503009][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.503009][ T73] [ 6006.504969][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.504969][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6006.504969][ T73] ipv6_find_idev+0x102/0x170 [ 6006.504969][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.504969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.504969][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.504969][ T73] netlink_unicast+0x449/0x710 [ 6006.504969][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.504969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.504969][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.504969][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.504969][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.504969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.504969][ T73] [ 6006.506503][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6006.506503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6006.506503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6006.506503][ T73] ipv6_find_idev+0x102/0x170 [ 6006.506503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.506503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.506503][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.506503][ T73] netlink_unicast+0x449/0x710 [ 6006.506503][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.506503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.506503][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.506503][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.506503][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.506503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.506503][ T73] [ 6006.508192][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6006.508463][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.508463][ T73] dst_init+0x84/0x4a0 [ 6006.508463][ T73] dst_alloc+0x97/0x150 [ 6006.508463][ T73] ip6_dst_alloc+0x23/0x90 [ 6006.508463][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6006.508463][ T73] ip6_pol_route+0x56f/0x840 [ 6006.508463][ T73] fib6_rule_lookup+0x456/0x630 [ 6006.508463][ T73] ip6_route_input+0x59c/0xa50 [ 6006.508463][ T73] ipv6_rcv+0x397/0x810 [ 6006.508463][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6006.508463][ T73] process_backlog+0x101/0x620 [ 6006.508463][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6006.508463][ T73] net_rx_action+0x495/0xbe0 [ 6006.508463][ T73] __do_softirq+0x1b5/0x7f6 [ 6006.508463][ T73] [ 6006.510102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.510102][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.510102][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.510102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.510102][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6006.510102][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6006.510102][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6006.510102][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6006.510102][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6006.510102][ T73] addrconf_dad_begin+0x310/0x670 [ 6006.510102][ T73] addrconf_dad_work+0x10b/0xab0 [ 6006.510102][ T73] process_one_work+0x84d/0x18a0 [ 6006.510102][ T73] worker_thread+0x587/0xd30 [ 6006.510102][ T73] kthread+0x28a/0x350 [ 6006.510102][ T73] ret_from_fork+0x31/0x70 [ 6006.510102][ T73] ret_from_fork_asm+0x1a/0x30 [ 6006.510102][ T73] [ 6006.512001][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.512001][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.512001][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.512001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.512001][ T73] ip6_route_add+0x1c/0x140 [ 6006.512001][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6006.512001][ T73] inet6_addr_add+0x4f8/0xa40 [ 6006.512001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.512001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.512001][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.512001][ T73] netlink_unicast+0x449/0x710 [ 6006.512001][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.512001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.512001][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.512001][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.512001][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.512001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.512001][ T73] [ 6006.513987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.513987][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.513987][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.513987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.513987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6006.513987][ T73] ipv6_add_addr+0x411/0x2000 [ 6006.513987][ T73] inet6_addr_add+0x30e/0xa40 [ 6006.513987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.513987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.513987][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.513987][ T73] netlink_unicast+0x449/0x710 [ 6006.513987][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.513987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.513987][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.513987][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.513987][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.513987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.513987][ T73] [ 6006.515973][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.515973][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.515973][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.515973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.515973][ T73] ip6_route_add+0x1c/0x140 [ 6006.515973][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6006.515973][ T73] addrconf_add_dev+0xe2/0x170 [ 6006.515973][ T73] inet6_addr_add+0x12f/0xa40 [ 6006.515973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.515973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.515973][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.515973][ T73] netlink_unicast+0x449/0x710 [ 6006.515973][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.515973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.515973][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.515973][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.515973][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.515973][ T73] [ 6006.518305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.518305][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6006.518305][ T73] ipv6_find_idev+0x102/0x170 [ 6006.518305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.518305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.518305][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.518305][ T73] netlink_unicast+0x449/0x710 [ 6006.518305][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.518305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.518305][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.518305][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.518305][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.518305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.518305][ T73] [ 6006.519834][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6006.519834][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6006.519834][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6006.519834][ T73] ipv6_find_idev+0x102/0x170 [ 6006.519834][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.519834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.519834][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.519834][ T73] netlink_unicast+0x449/0x710 [ 6006.519834][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.519834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.519834][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.519834][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.519834][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.519834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.519834][ T73] [ 6006.521570][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6006.521905][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.521905][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6006.521905][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6006.521905][ T73] fib6_nh_init+0xa22/0x1580 [ 6006.521905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.521905][ T73] ip6_route_add+0x1c/0x140 [ 6006.521905][ T73] inet6_rtm_newroute+0x104/0x110 [ 6006.521905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.521905][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.521905][ T73] netlink_unicast+0x449/0x710 [ 6006.521905][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.521905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.521905][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.521905][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.521905][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.521905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.521905][ T73] [ 6006.523954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.523954][ T73] dst_init+0x84/0x4a0 [ 6006.523954][ T73] dst_alloc+0x97/0x150 [ 6006.523954][ T73] ip6_dst_alloc+0x23/0x90 [ 6006.523954][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6006.523954][ T73] ip6_pol_route+0x56f/0x840 [ 6006.523954][ T73] fib6_rule_lookup+0x456/0x630 [ 6006.523954][ T73] ip6_route_input+0x59c/0xa50 [ 6006.523954][ T73] ipv6_rcv+0x397/0x810 [ 6006.523954][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6006.523954][ T73] process_backlog+0x101/0x620 [ 6006.523954][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6006.523954][ T73] net_rx_action+0x495/0xbe0 [ 6006.523954][ T73] __do_softirq+0x1b5/0x7f6 [ 6006.523954][ T73] [ 6006.525766][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.525766][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.525766][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.525766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.525766][ T73] ip6_route_add+0x1c/0x140 [ 6006.525766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6006.525766][ T73] inet6_addr_add+0x4f8/0xa40 [ 6006.525766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.525766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.525766][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.525766][ T73] netlink_unicast+0x449/0x710 [ 6006.525766][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.525766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.525766][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.525766][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.525766][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.525766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.525766][ T73] [ 6006.527992][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.527992][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.527992][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.527992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.527992][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6006.527992][ T73] ipv6_add_addr+0x411/0x2000 [ 6006.527992][ T73] inet6_addr_add+0x30e/0xa40 [ 6006.527992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.527992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.527992][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.527992][ T73] netlink_unicast+0x449/0x710 [ 6006.527992][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.527992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.527992][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.527992][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.527992][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.527992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.527992][ T73] [ 6006.530223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.530223][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.530223][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.530223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.530223][ T73] ip6_route_add+0x1c/0x140 [ 6006.530223][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6006.530223][ T73] addrconf_add_dev+0xe2/0x170 [ 6006.530223][ T73] inet6_addr_add+0x12f/0xa40 [ 6006.530223][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.530223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.530223][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.530223][ T73] netlink_unicast+0x449/0x710 [ 6006.530223][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.530223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.530223][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.530223][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.530223][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.530223][ T73] [ 6006.532485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.532485][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6006.532485][ T73] ipv6_find_idev+0x102/0x170 [ 6006.532485][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.532485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.532485][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.532485][ T73] netlink_unicast+0x449/0x710 [ 6006.532485][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.532485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.532485][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.532485][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.532485][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.532485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.532485][ T73] [ 6006.534199][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6006.534199][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6006.534199][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6006.534199][ T73] ipv6_find_idev+0x102/0x170 [ 6006.534199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.534199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.534199][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.534199][ T73] netlink_unicast+0x449/0x710 [ 6006.534199][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.534199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.534199][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.534199][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.534199][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.534199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.534199][ T73] [ 6006.536088][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6006.536428][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6006.536428][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.536428][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.536428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.536428][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6006.536428][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6006.536428][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6006.536428][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6006.536428][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6006.536428][ T73] addrconf_dad_begin+0x310/0x670 [ 6006.536428][ T73] addrconf_dad_work+0x10b/0xab0 [ 6006.536428][ T73] process_one_work+0x84d/0x18a0 [ 6006.536428][ T73] worker_thread+0x587/0xd30 [ 6006.536428][ T73] kthread+0x28a/0x350 [ 6006.536428][ T73] ret_from_fork+0x31/0x70 [ 6006.536428][ T73] ret_from_fork_asm+0x1a/0x30 [ 6006.536428][ T73] [ 6006.538513][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6006.538513][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.538513][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.538513][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.538513][ T73] ip6_route_add+0x1c/0x140 [ 6006.538513][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6006.538513][ T73] inet6_addr_add+0x4f8/0xa40 [ 6006.538513][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.538513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.538513][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.538513][ T73] netlink_unicast+0x449/0x710 [ 6006.538513][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.538513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.538513][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.538513][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.538513][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.538513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.538513][ T73] [ 6006.540752][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6006.540752][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.540752][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.540752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.540752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6006.540752][ T73] ipv6_add_addr+0x411/0x2000 [ 6006.540752][ T73] inet6_addr_add+0x30e/0xa40 [ 6006.540752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.540752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.540752][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.540752][ T73] netlink_unicast+0x449/0x710 [ 6006.540752][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.540752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.540752][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.540752][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.540752][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.540752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.540752][ T73] [ 6006.543055][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6006.543055][ T73] netdev_get_by_index+0x5e/0x80 [ 6006.543055][ T73] fib6_nh_init+0x3d8/0x1580 [ 6006.543055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6006.543055][ T73] ip6_route_add+0x1c/0x140 [ 6006.543055][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6006.543055][ T73] addrconf_add_dev+0xe2/0x170 [ 6006.543055][ T73] inet6_addr_add+0x12f/0xa40 [ 6006.543055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6006.543055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.543055][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.543055][ T73] netlink_unicast+0x449/0x710 [ 6006.543055][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.543055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.543055][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.543055][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.543055][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.543055][ T73] [ 6006.545264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6006.545264][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6006.545264][ T73] ipv6_find_idev+0x102/0x170 [ 6006.545264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.545264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.545264][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.545264][ T73] netlink_unicast+0x449/0x710 [ 6006.545264][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.545264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.545264][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.545264][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.545264][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.545264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.545264][ T73] [ 6006.546980][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6006.546980][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6006.546980][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6006.546980][ T73] ipv6_find_idev+0x102/0x170 [ 6006.546980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6006.546980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6006.546980][ T73] netlink_rcv_skb+0x130/0x360 [ 6006.546980][ T73] netlink_unicast+0x449/0x710 [ 6006.546980][ T73] netlink_sendmsg+0x723/0xbe0 [ 6006.546980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6006.546980][ T73] ___sys_sendmsg+0xee/0x170 [ 6006.546980][ T73] __sys_sendmsg+0xcd/0x170 [ 6006.546980][ T73] do_syscall_64+0xc6/0x1e0 [ 6006.546980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6006.546980][ T73] [ 6016.598913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6016.599407][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.599407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6016.599407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6016.599407][ T73] fib6_nh_init+0xa22/0x1580 [ 6016.599407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.599407][ T73] ip6_route_add+0x1c/0x140 [ 6016.599407][ T73] inet6_rtm_newroute+0x104/0x110 [ 6016.599407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.599407][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.599407][ T73] netlink_unicast+0x449/0x710 [ 6016.599407][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.599407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.599407][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.599407][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.599407][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.599407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.599407][ T73] [ 6016.601287][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.601287][ T73] dst_init+0x84/0x4a0 [ 6016.601287][ T73] dst_alloc+0x97/0x150 [ 6016.601287][ T73] ip6_dst_alloc+0x23/0x90 [ 6016.601287][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6016.601287][ T73] ip6_pol_route+0x56f/0x840 [ 6016.601287][ T73] fib6_rule_lookup+0x456/0x630 [ 6016.601287][ T73] ip6_route_input+0x59c/0xa50 [ 6016.601287][ T73] ipv6_rcv+0x397/0x810 [ 6016.601287][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6016.601287][ T73] process_backlog+0x101/0x620 [ 6016.601287][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6016.601287][ T73] net_rx_action+0x495/0xbe0 [ 6016.601287][ T73] __do_softirq+0x1b5/0x7f6 [ 6016.601287][ T73] [ 6016.602928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.602928][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.602928][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.602928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.602928][ T73] ip6_route_add+0x1c/0x140 [ 6016.602928][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6016.602928][ T73] inet6_addr_add+0x4f8/0xa40 [ 6016.602928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.602928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.602928][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.602928][ T73] netlink_unicast+0x449/0x710 [ 6016.602928][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.602928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.602928][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.602928][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.602928][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.602928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.602928][ T73] [ 6016.604915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.604915][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.604915][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.604915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.604915][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6016.604915][ T73] ipv6_add_addr+0x411/0x2000 [ 6016.604915][ T73] inet6_addr_add+0x30e/0xa40 [ 6016.604915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.604915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.604915][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.604915][ T73] netlink_unicast+0x449/0x710 [ 6016.604915][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.604915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.604915][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.604915][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.604915][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.604915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.604915][ T73] [ 6016.606904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.606904][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.606904][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.606904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.606904][ T73] ip6_route_add+0x1c/0x140 [ 6016.606904][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6016.606904][ T73] addrconf_add_dev+0xe2/0x170 [ 6016.606904][ T73] inet6_addr_add+0x12f/0xa40 [ 6016.606904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.606904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.606904][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.606904][ T73] netlink_unicast+0x449/0x710 [ 6016.606904][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.606904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.606904][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.606904][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.606904][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.606904][ T73] [ 6016.608856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.608856][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6016.608856][ T73] ipv6_find_idev+0x102/0x170 [ 6016.608856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.608856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.608856][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.608856][ T73] netlink_unicast+0x449/0x710 [ 6016.608856][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.608856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.608856][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.608856][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.608856][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.608856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.608856][ T73] [ 6016.610388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6016.610388][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6016.610388][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6016.610388][ T73] ipv6_find_idev+0x102/0x170 [ 6016.610388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.610388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.610388][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.610388][ T73] netlink_unicast+0x449/0x710 [ 6016.610388][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.610388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.610388][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.610388][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.610388][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.610388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.610388][ T73] [ 6016.612076][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6016.612352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.612352][ T73] dst_init+0x84/0x4a0 [ 6016.612352][ T73] dst_alloc+0x97/0x150 [ 6016.612352][ T73] ip6_dst_alloc+0x23/0x90 [ 6016.612352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6016.612352][ T73] ip6_pol_route+0x56f/0x840 [ 6016.612352][ T73] fib6_rule_lookup+0x456/0x630 [ 6016.612352][ T73] ip6_route_input+0x59c/0xa50 [ 6016.612352][ T73] ipv6_rcv+0x397/0x810 [ 6016.612352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6016.612352][ T73] process_backlog+0x101/0x620 [ 6016.612352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6016.612352][ T73] net_rx_action+0x495/0xbe0 [ 6016.612352][ T73] __do_softirq+0x1b5/0x7f6 [ 6016.612352][ T73] [ 6016.613984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.613984][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.613984][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.613984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.613984][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6016.613984][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6016.613984][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6016.613984][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6016.613984][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6016.613984][ T73] addrconf_dad_begin+0x310/0x670 [ 6016.613984][ T73] addrconf_dad_work+0x10b/0xab0 [ 6016.613984][ T73] process_one_work+0x84d/0x18a0 [ 6016.613984][ T73] worker_thread+0x587/0xd30 [ 6016.613984][ T73] kthread+0x28a/0x350 [ 6016.613984][ T73] ret_from_fork+0x31/0x70 [ 6016.613984][ T73] ret_from_fork_asm+0x1a/0x30 [ 6016.613984][ T73] [ 6016.615887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.615887][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.615887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.615887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.615887][ T73] ip6_route_add+0x1c/0x140 [ 6016.615887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6016.615887][ T73] inet6_addr_add+0x4f8/0xa40 [ 6016.615887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.615887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.615887][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.615887][ T73] netlink_unicast+0x449/0x710 [ 6016.615887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.615887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.615887][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.615887][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.615887][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.615887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.615887][ T73] [ 6016.617876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.617876][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.617876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.617876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.617876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6016.617876][ T73] ipv6_add_addr+0x411/0x2000 [ 6016.617876][ T73] inet6_addr_add+0x30e/0xa40 [ 6016.617876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.617876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.617876][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.617876][ T73] netlink_unicast+0x449/0x710 [ 6016.617876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.617876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.617876][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.617876][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.617876][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.617876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.617876][ T73] [ 6016.619879][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.619879][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.619879][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.619879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.619879][ T73] ip6_route_add+0x1c/0x140 [ 6016.619879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6016.619879][ T73] addrconf_add_dev+0xe2/0x170 [ 6016.619879][ T73] inet6_addr_add+0x12f/0xa40 [ 6016.619879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.619879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.619879][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.619879][ T73] netlink_unicast+0x449/0x710 [ 6016.619879][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.619879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.619879][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.619879][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.619879][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.619879][ T73] [ 6016.621841][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.621841][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6016.621841][ T73] ipv6_find_idev+0x102/0x170 [ 6016.621841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.621841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.621841][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.621841][ T73] netlink_unicast+0x449/0x710 [ 6016.621841][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.621841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.621841][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.621841][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.621841][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.621841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.621841][ T73] [ 6016.623377][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6016.623377][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6016.623377][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6016.623377][ T73] ipv6_find_idev+0x102/0x170 [ 6016.623377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.623377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.623377][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.623377][ T73] netlink_unicast+0x449/0x710 [ 6016.623377][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.623377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.623377][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.623377][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.623377][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.623377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.623377][ T73] [ 6016.625117][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6016.625445][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.625445][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6016.625445][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6016.625445][ T73] fib6_nh_init+0xa22/0x1580 [ 6016.625445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.625445][ T73] ip6_route_add+0x1c/0x140 [ 6016.625445][ T73] inet6_rtm_newroute+0x104/0x110 [ 6016.625445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.625445][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.625445][ T73] netlink_unicast+0x449/0x710 [ 6016.625445][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.625445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.625445][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.625445][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.625445][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.625445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.625445][ T73] [ 6016.627496][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.627496][ T73] dst_init+0x84/0x4a0 [ 6016.627496][ T73] dst_alloc+0x97/0x150 [ 6016.627496][ T73] ip6_dst_alloc+0x23/0x90 [ 6016.627496][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6016.627496][ T73] ip6_pol_route+0x56f/0x840 [ 6016.627496][ T73] fib6_rule_lookup+0x456/0x630 [ 6016.627496][ T73] ip6_route_input+0x59c/0xa50 [ 6016.627496][ T73] ipv6_rcv+0x397/0x810 [ 6016.627496][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6016.627496][ T73] process_backlog+0x101/0x620 [ 6016.627496][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6016.627496][ T73] net_rx_action+0x495/0xbe0 [ 6016.627496][ T73] __do_softirq+0x1b5/0x7f6 [ 6016.627496][ T73] [ 6016.629298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.629298][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.629298][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.629298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.629298][ T73] ip6_route_add+0x1c/0x140 [ 6016.629298][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6016.629298][ T73] inet6_addr_add+0x4f8/0xa40 [ 6016.629298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.629298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.629298][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.629298][ T73] netlink_unicast+0x449/0x710 [ 6016.629298][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.629298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.629298][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.629298][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.629298][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.629298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.629298][ T73] [ 6016.631526][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.631526][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.631526][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.631526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.631526][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6016.631526][ T73] ipv6_add_addr+0x411/0x2000 [ 6016.631526][ T73] inet6_addr_add+0x30e/0xa40 [ 6016.631526][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.631526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.631526][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.631526][ T73] netlink_unicast+0x449/0x710 [ 6016.631526][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.631526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.631526][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.631526][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.631526][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.631526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.631526][ T73] [ 6016.633701][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.633701][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.633701][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.633701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.633701][ T73] ip6_route_add+0x1c/0x140 [ 6016.633701][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6016.633701][ T73] addrconf_add_dev+0xe2/0x170 [ 6016.633701][ T73] inet6_addr_add+0x12f/0xa40 [ 6016.633701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.633701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.633701][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.633701][ T73] netlink_unicast+0x449/0x710 [ 6016.633701][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.633701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.633701][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.633701][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.633701][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.633701][ T73] [ 6016.635960][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.635960][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6016.635960][ T73] ipv6_find_idev+0x102/0x170 [ 6016.635960][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.635960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.635960][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.635960][ T73] netlink_unicast+0x449/0x710 [ 6016.635960][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.635960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.635960][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.635960][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.635960][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.635960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.635960][ T73] [ 6016.637667][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6016.637667][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6016.637667][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6016.637667][ T73] ipv6_find_idev+0x102/0x170 [ 6016.637667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.637667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.637667][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.637667][ T73] netlink_unicast+0x449/0x710 [ 6016.637667][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.637667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.637667][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.637667][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.637667][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.637667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.637667][ T73] [ 6016.639520][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6016.639788][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6016.639788][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.639788][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.639788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.639788][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6016.639788][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6016.639788][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6016.639788][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6016.639788][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6016.639788][ T73] addrconf_dad_begin+0x310/0x670 [ 6016.639788][ T73] addrconf_dad_work+0x10b/0xab0 [ 6016.639788][ T73] process_one_work+0x84d/0x18a0 [ 6016.639788][ T73] worker_thread+0x587/0xd30 [ 6016.639788][ T73] kthread+0x28a/0x350 [ 6016.639788][ T73] ret_from_fork+0x31/0x70 [ 6016.639788][ T73] ret_from_fork_asm+0x1a/0x30 [ 6016.639788][ T73] [ 6016.641927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6016.641927][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.641927][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.641927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.641927][ T73] ip6_route_add+0x1c/0x140 [ 6016.641927][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6016.641927][ T73] inet6_addr_add+0x4f8/0xa40 [ 6016.641927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.641927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.641927][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.641927][ T73] netlink_unicast+0x449/0x710 [ 6016.641927][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.641927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.641927][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.641927][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.641927][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.641927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.641927][ T73] [ 6016.644170][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6016.644170][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.644170][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.644170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.644170][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6016.644170][ T73] ipv6_add_addr+0x411/0x2000 [ 6016.644170][ T73] inet6_addr_add+0x30e/0xa40 [ 6016.644170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.644170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.644170][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.644170][ T73] netlink_unicast+0x449/0x710 [ 6016.644170][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.644170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.644170][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.644170][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.644170][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.644170][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.644170][ T73] [ 6016.646476][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6016.646476][ T73] netdev_get_by_index+0x5e/0x80 [ 6016.646476][ T73] fib6_nh_init+0x3d8/0x1580 [ 6016.646476][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6016.646476][ T73] ip6_route_add+0x1c/0x140 [ 6016.646476][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6016.646476][ T73] addrconf_add_dev+0xe2/0x170 [ 6016.646476][ T73] inet6_addr_add+0x12f/0xa40 [ 6016.646476][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.646476][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.646476][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.646476][ T73] netlink_unicast+0x449/0x710 [ 6016.646476][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.646476][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.646476][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.646476][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.646476][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.646476][ T73] [ 6016.648672][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6016.648672][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6016.648672][ T73] ipv6_find_idev+0x102/0x170 [ 6016.648672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.648672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.648672][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.648672][ T73] netlink_unicast+0x449/0x710 [ 6016.648672][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.648672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.648672][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.648672][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.648672][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.648672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.648672][ T73] [ 6016.650319][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6016.650319][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6016.650319][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6016.650319][ T73] ipv6_find_idev+0x102/0x170 [ 6016.650319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.650319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.650319][ T73] netlink_rcv_skb+0x130/0x360 [ 6016.650319][ T73] netlink_unicast+0x449/0x710 [ 6016.650319][ T73] netlink_sendmsg+0x723/0xbe0 [ 6016.650319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6016.650319][ T73] ___sys_sendmsg+0xee/0x170 [ 6016.650319][ T73] __sys_sendmsg+0xcd/0x170 [ 6016.650319][ T73] do_syscall_64+0xc6/0x1e0 [ 6016.650319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.650319][ T73] [ 6026.806923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6026.807412][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.807412][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6026.807412][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6026.807412][ T73] fib6_nh_init+0xa22/0x1580 [ 6026.807412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.807412][ T73] ip6_route_add+0x1c/0x140 [ 6026.807412][ T73] inet6_rtm_newroute+0x104/0x110 [ 6026.807412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.807412][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.807412][ T73] netlink_unicast+0x449/0x710 [ 6026.807412][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.807412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.807412][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.807412][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.807412][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.807412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.807412][ T73] [ 6026.809332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.809332][ T73] dst_init+0x84/0x4a0 [ 6026.809332][ T73] dst_alloc+0x97/0x150 [ 6026.809332][ T73] ip6_dst_alloc+0x23/0x90 [ 6026.809332][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6026.809332][ T73] ip6_pol_route+0x56f/0x840 [ 6026.809332][ T73] fib6_rule_lookup+0x456/0x630 [ 6026.809332][ T73] ip6_route_input+0x59c/0xa50 [ 6026.809332][ T73] ipv6_rcv+0x397/0x810 [ 6026.809332][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6026.809332][ T73] process_backlog+0x101/0x620 [ 6026.809332][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6026.809332][ T73] net_rx_action+0x495/0xbe0 [ 6026.809332][ T73] __do_softirq+0x1b5/0x7f6 [ 6026.809332][ T73] [ 6026.810986][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.810986][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.810986][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.810986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.810986][ T73] ip6_route_add+0x1c/0x140 [ 6026.810986][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6026.810986][ T73] inet6_addr_add+0x4f8/0xa40 [ 6026.810986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.810986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.810986][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.810986][ T73] netlink_unicast+0x449/0x710 [ 6026.810986][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.810986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.810986][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.810986][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.810986][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.810986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.810986][ T73] [ 6026.813011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.813011][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.813011][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.813011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.813011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6026.813011][ T73] ipv6_add_addr+0x411/0x2000 [ 6026.813011][ T73] inet6_addr_add+0x30e/0xa40 [ 6026.813011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.813011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.813011][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.813011][ T73] netlink_unicast+0x449/0x710 [ 6026.813011][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.813011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.813011][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.813011][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.813011][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.813011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.813011][ T73] [ 6026.815023][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.815023][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.815023][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.815023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.815023][ T73] ip6_route_add+0x1c/0x140 [ 6026.815023][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6026.815023][ T73] addrconf_add_dev+0xe2/0x170 [ 6026.815023][ T73] inet6_addr_add+0x12f/0xa40 [ 6026.815023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.815023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.815023][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.815023][ T73] netlink_unicast+0x449/0x710 [ 6026.815023][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.815023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.815023][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.815023][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.815023][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.815023][ T73] [ 6026.816995][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.816995][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6026.816995][ T73] ipv6_find_idev+0x102/0x170 [ 6026.816995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.816995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.816995][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.816995][ T73] netlink_unicast+0x449/0x710 [ 6026.816995][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.816995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.816995][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.816995][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.816995][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.816995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.816995][ T73] [ 6026.818559][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6026.818559][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6026.818559][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6026.818559][ T73] ipv6_find_idev+0x102/0x170 [ 6026.818559][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.818559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.818559][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.818559][ T73] netlink_unicast+0x449/0x710 [ 6026.818559][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.818559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.818559][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.818559][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.818559][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.818559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.818559][ T73] [ 6026.820276][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6026.820553][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.820553][ T73] dst_init+0x84/0x4a0 [ 6026.820553][ T73] dst_alloc+0x97/0x150 [ 6026.820553][ T73] ip6_dst_alloc+0x23/0x90 [ 6026.820553][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6026.820553][ T73] ip6_pol_route+0x56f/0x840 [ 6026.820553][ T73] fib6_rule_lookup+0x456/0x630 [ 6026.820553][ T73] ip6_route_input+0x59c/0xa50 [ 6026.820553][ T73] ipv6_rcv+0x397/0x810 [ 6026.820553][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6026.820553][ T73] process_backlog+0x101/0x620 [ 6026.820553][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6026.820553][ T73] net_rx_action+0x495/0xbe0 [ 6026.820553][ T73] __do_softirq+0x1b5/0x7f6 [ 6026.820553][ T73] [ 6026.822203][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.822203][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.822203][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.822203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.822203][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6026.822203][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6026.822203][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6026.822203][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6026.822203][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6026.822203][ T73] addrconf_dad_begin+0x310/0x670 [ 6026.822203][ T73] addrconf_dad_work+0x10b/0xab0 [ 6026.822203][ T73] process_one_work+0x84d/0x18a0 [ 6026.822203][ T73] worker_thread+0x587/0xd30 [ 6026.822203][ T73] kthread+0x28a/0x350 [ 6026.822203][ T73] ret_from_fork+0x31/0x70 [ 6026.822203][ T73] ret_from_fork_asm+0x1a/0x30 [ 6026.822203][ T73] [ 6026.824120][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.824120][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.824120][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.824120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.824120][ T73] ip6_route_add+0x1c/0x140 [ 6026.824120][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6026.824120][ T73] inet6_addr_add+0x4f8/0xa40 [ 6026.824120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.824120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.824120][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.824120][ T73] netlink_unicast+0x449/0x710 [ 6026.824120][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.824120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.824120][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.824120][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.824120][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.824120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.824120][ T73] [ 6026.826126][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.826126][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.826126][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.826126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.826126][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6026.826126][ T73] ipv6_add_addr+0x411/0x2000 [ 6026.826126][ T73] inet6_addr_add+0x30e/0xa40 [ 6026.826126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.826126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.826126][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.826126][ T73] netlink_unicast+0x449/0x710 [ 6026.826126][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.826126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.826126][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.826126][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.826126][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.826126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.826126][ T73] [ 6026.828128][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.828128][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.828128][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.828128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.828128][ T73] ip6_route_add+0x1c/0x140 [ 6026.828128][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6026.828128][ T73] addrconf_add_dev+0xe2/0x170 [ 6026.828128][ T73] inet6_addr_add+0x12f/0xa40 [ 6026.828128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.828128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.828128][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.828128][ T73] netlink_unicast+0x449/0x710 [ 6026.828128][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.828128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.828128][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.828128][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.828128][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.828128][ T73] [ 6026.830092][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.830092][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6026.830092][ T73] ipv6_find_idev+0x102/0x170 [ 6026.830092][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.830092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.830092][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.830092][ T73] netlink_unicast+0x449/0x710 [ 6026.830092][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.830092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.830092][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.830092][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.830092][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.830092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.830092][ T73] [ 6026.831633][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6026.831633][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6026.831633][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6026.831633][ T73] ipv6_find_idev+0x102/0x170 [ 6026.831633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.831633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.831633][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.831633][ T73] netlink_unicast+0x449/0x710 [ 6026.831633][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.831633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.831633][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.831633][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.831633][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.831633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.831633][ T73] [ 6026.833477][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6026.833823][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.833823][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6026.833823][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6026.833823][ T73] fib6_nh_init+0xa22/0x1580 [ 6026.833823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.833823][ T73] ip6_route_add+0x1c/0x140 [ 6026.833823][ T73] inet6_rtm_newroute+0x104/0x110 [ 6026.833823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.833823][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.833823][ T73] netlink_unicast+0x449/0x710 [ 6026.833823][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.833823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.833823][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.833823][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.833823][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.833823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.833823][ T73] [ 6026.835946][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.835946][ T73] dst_init+0x84/0x4a0 [ 6026.835946][ T73] dst_alloc+0x97/0x150 [ 6026.835946][ T73] ip6_dst_alloc+0x23/0x90 [ 6026.835946][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6026.835946][ T73] ip6_pol_route+0x56f/0x840 [ 6026.835946][ T73] fib6_rule_lookup+0x456/0x630 [ 6026.835946][ T73] ip6_route_input+0x59c/0xa50 [ 6026.835946][ T73] ipv6_rcv+0x397/0x810 [ 6026.835946][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6026.835946][ T73] process_backlog+0x101/0x620 [ 6026.835946][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6026.835946][ T73] net_rx_action+0x495/0xbe0 [ 6026.835946][ T73] __do_softirq+0x1b5/0x7f6 [ 6026.835946][ T73] [ 6026.837764][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.837764][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.837764][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.837764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.837764][ T73] ip6_route_add+0x1c/0x140 [ 6026.837764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6026.837764][ T73] inet6_addr_add+0x4f8/0xa40 [ 6026.837764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.837764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.837764][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.837764][ T73] netlink_unicast+0x449/0x710 [ 6026.837764][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.837764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.837764][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.837764][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.837764][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.837764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.837764][ T73] [ 6026.840012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.840012][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.840012][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.840012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.840012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6026.840012][ T73] ipv6_add_addr+0x411/0x2000 [ 6026.840012][ T73] inet6_addr_add+0x30e/0xa40 [ 6026.840012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.840012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.840012][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.840012][ T73] netlink_unicast+0x449/0x710 [ 6026.840012][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.840012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.840012][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.840012][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.840012][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.840012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.840012][ T73] [ 6026.842261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.842261][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.842261][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.842261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.842261][ T73] ip6_route_add+0x1c/0x140 [ 6026.842261][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6026.842261][ T73] addrconf_add_dev+0xe2/0x170 [ 6026.842261][ T73] inet6_addr_add+0x12f/0xa40 [ 6026.842261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.842261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.842261][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.842261][ T73] netlink_unicast+0x449/0x710 [ 6026.842261][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.842261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.842261][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.842261][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.842261][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.842261][ T73] [ 6026.844541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.844541][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6026.844541][ T73] ipv6_find_idev+0x102/0x170 [ 6026.844541][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.844541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.844541][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.844541][ T73] netlink_unicast+0x449/0x710 [ 6026.844541][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.844541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.844541][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.844541][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.844541][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.844541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.844541][ T73] [ 6026.846262][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6026.846262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6026.846262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6026.846262][ T73] ipv6_find_idev+0x102/0x170 [ 6026.846262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.846262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.846262][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.846262][ T73] netlink_unicast+0x449/0x710 [ 6026.846262][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.846262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.846262][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.846262][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.846262][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.846262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.846262][ T73] [ 6026.848144][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6026.848423][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6026.848423][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.848423][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.848423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.848423][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6026.848423][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6026.848423][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6026.848423][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6026.848423][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6026.848423][ T73] addrconf_dad_begin+0x310/0x670 [ 6026.848423][ T73] addrconf_dad_work+0x10b/0xab0 [ 6026.848423][ T73] process_one_work+0x84d/0x18a0 [ 6026.848423][ T73] worker_thread+0x587/0xd30 [ 6026.848423][ T73] kthread+0x28a/0x350 [ 6026.848423][ T73] ret_from_fork+0x31/0x70 [ 6026.848423][ T73] ret_from_fork_asm+0x1a/0x30 [ 6026.848423][ T73] [ 6026.850575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6026.850575][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.850575][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.850575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.850575][ T73] ip6_route_add+0x1c/0x140 [ 6026.850575][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6026.850575][ T73] inet6_addr_add+0x4f8/0xa40 [ 6026.850575][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.850575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.850575][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.850575][ T73] netlink_unicast+0x449/0x710 [ 6026.850575][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.850575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.850575][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.850575][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.850575][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.850575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.850575][ T73] [ 6026.852825][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6026.852825][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.852825][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.852825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.852825][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6026.852825][ T73] ipv6_add_addr+0x411/0x2000 [ 6026.852825][ T73] inet6_addr_add+0x30e/0xa40 [ 6026.852825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.852825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.852825][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.852825][ T73] netlink_unicast+0x449/0x710 [ 6026.852825][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.852825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.852825][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.852825][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.852825][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.852825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.852825][ T73] [ 6026.855123][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6026.855123][ T73] netdev_get_by_index+0x5e/0x80 [ 6026.855123][ T73] fib6_nh_init+0x3d8/0x1580 [ 6026.855123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6026.855123][ T73] ip6_route_add+0x1c/0x140 [ 6026.855123][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6026.855123][ T73] addrconf_add_dev+0xe2/0x170 [ 6026.855123][ T73] inet6_addr_add+0x12f/0xa40 [ 6026.855123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.855123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.855123][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.855123][ T73] netlink_unicast+0x449/0x710 [ 6026.855123][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.855123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.855123][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.855123][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.855123][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.855123][ T73] [ 6026.857801][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6026.857801][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6026.857801][ T73] ipv6_find_idev+0x102/0x170 [ 6026.857801][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.857801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.857801][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.857801][ T73] netlink_unicast+0x449/0x710 [ 6026.857801][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.857801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.857801][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.857801][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.857801][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.857801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.857801][ T73] [ 6026.859529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6026.859529][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6026.859529][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6026.859529][ T73] ipv6_find_idev+0x102/0x170 [ 6026.859529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.859529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.859529][ T73] netlink_rcv_skb+0x130/0x360 [ 6026.859529][ T73] netlink_unicast+0x449/0x710 [ 6026.859529][ T73] netlink_sendmsg+0x723/0xbe0 [ 6026.859529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6026.859529][ T73] ___sys_sendmsg+0xee/0x170 [ 6026.859529][ T73] __sys_sendmsg+0xcd/0x170 [ 6026.859529][ T73] do_syscall_64+0xc6/0x1e0 [ 6026.859529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.859529][ T73] [ 6037.102835][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6037.103280][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.103280][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6037.103280][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6037.103280][ T73] fib6_nh_init+0xa22/0x1580 [ 6037.103280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.103280][ T73] ip6_route_add+0x1c/0x140 [ 6037.103280][ T73] inet6_rtm_newroute+0x104/0x110 [ 6037.103280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.103280][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.103280][ T73] netlink_unicast+0x449/0x710 [ 6037.103280][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.103280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.103280][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.103280][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.103280][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.103280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.103280][ T73] [ 6037.105161][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.105161][ T73] dst_init+0x84/0x4a0 [ 6037.105161][ T73] dst_alloc+0x97/0x150 [ 6037.105161][ T73] ip6_dst_alloc+0x23/0x90 [ 6037.105161][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6037.105161][ T73] ip6_pol_route+0x56f/0x840 [ 6037.105161][ T73] fib6_rule_lookup+0x456/0x630 [ 6037.105161][ T73] ip6_route_input+0x59c/0xa50 [ 6037.105161][ T73] ipv6_rcv+0x397/0x810 [ 6037.105161][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6037.105161][ T73] process_backlog+0x101/0x620 [ 6037.105161][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6037.105161][ T73] net_rx_action+0x495/0xbe0 [ 6037.105161][ T73] __do_softirq+0x1b5/0x7f6 [ 6037.105161][ T73] [ 6037.106764][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.106764][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.106764][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.106764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.106764][ T73] ip6_route_add+0x1c/0x140 [ 6037.106764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6037.106764][ T73] inet6_addr_add+0x4f8/0xa40 [ 6037.106764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.106764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.106764][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.106764][ T73] netlink_unicast+0x449/0x710 [ 6037.106764][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.106764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.106764][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.106764][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.106764][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.106764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.106764][ T73] [ 6037.108735][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.108735][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.108735][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.108735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.108735][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6037.108735][ T73] ipv6_add_addr+0x411/0x2000 [ 6037.108735][ T73] inet6_addr_add+0x30e/0xa40 [ 6037.108735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.108735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.108735][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.108735][ T73] netlink_unicast+0x449/0x710 [ 6037.108735][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.108735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.108735][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.108735][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.108735][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.108735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.108735][ T73] [ 6037.110719][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.110719][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.110719][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.110719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.110719][ T73] ip6_route_add+0x1c/0x140 [ 6037.110719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6037.110719][ T73] addrconf_add_dev+0xe2/0x170 [ 6037.110719][ T73] inet6_addr_add+0x12f/0xa40 [ 6037.110719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.110719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.110719][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.110719][ T73] netlink_unicast+0x449/0x710 [ 6037.110719][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.110719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.110719][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.110719][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.110719][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.110719][ T73] [ 6037.112675][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.112675][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6037.112675][ T73] ipv6_find_idev+0x102/0x170 [ 6037.112675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.112675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.112675][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.112675][ T73] netlink_unicast+0x449/0x710 [ 6037.112675][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.112675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.112675][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.112675][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.112675][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.112675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.112675][ T73] [ 6037.114210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6037.114210][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6037.114210][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6037.114210][ T73] ipv6_find_idev+0x102/0x170 [ 6037.114210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.114210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.114210][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.114210][ T73] netlink_unicast+0x449/0x710 [ 6037.114210][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.114210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.114210][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.114210][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.114210][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.114210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.114210][ T73] [ 6037.115887][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6037.116158][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.116158][ T73] dst_init+0x84/0x4a0 [ 6037.116158][ T73] dst_alloc+0x97/0x150 [ 6037.116158][ T73] ip6_dst_alloc+0x23/0x90 [ 6037.116158][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6037.116158][ T73] ip6_pol_route+0x56f/0x840 [ 6037.116158][ T73] fib6_rule_lookup+0x456/0x630 [ 6037.116158][ T73] ip6_route_input+0x59c/0xa50 [ 6037.116158][ T73] ipv6_rcv+0x397/0x810 [ 6037.116158][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6037.116158][ T73] process_backlog+0x101/0x620 [ 6037.116158][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6037.116158][ T73] net_rx_action+0x495/0xbe0 [ 6037.116158][ T73] __do_softirq+0x1b5/0x7f6 [ 6037.116158][ T73] [ 6037.117789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.117789][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.117789][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.117789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.117789][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6037.117789][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6037.117789][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6037.117789][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6037.117789][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6037.117789][ T73] addrconf_dad_begin+0x310/0x670 [ 6037.117789][ T73] addrconf_dad_work+0x10b/0xab0 [ 6037.117789][ T73] process_one_work+0x84d/0x18a0 [ 6037.117789][ T73] worker_thread+0x587/0xd30 [ 6037.117789][ T73] kthread+0x28a/0x350 [ 6037.117789][ T73] ret_from_fork+0x31/0x70 [ 6037.117789][ T73] ret_from_fork_asm+0x1a/0x30 [ 6037.117789][ T73] [ 6037.119695][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.119695][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.119695][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.119695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.119695][ T73] ip6_route_add+0x1c/0x140 [ 6037.119695][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6037.119695][ T73] inet6_addr_add+0x4f8/0xa40 [ 6037.119695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.119695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.119695][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.119695][ T73] netlink_unicast+0x449/0x710 [ 6037.119695][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.119695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.119695][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.119695][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.119695][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.119695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.119695][ T73] [ 6037.121677][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.121677][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.121677][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.121677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.121677][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6037.121677][ T73] ipv6_add_addr+0x411/0x2000 [ 6037.121677][ T73] inet6_addr_add+0x30e/0xa40 [ 6037.121677][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.121677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.121677][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.121677][ T73] netlink_unicast+0x449/0x710 [ 6037.121677][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.121677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.121677][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.121677][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.121677][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.121677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.121677][ T73] [ 6037.124063][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.124063][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.124063][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.124063][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.124063][ T73] ip6_route_add+0x1c/0x140 [ 6037.124063][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6037.124063][ T73] addrconf_add_dev+0xe2/0x170 [ 6037.124063][ T73] inet6_addr_add+0x12f/0xa40 [ 6037.124063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.124063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.124063][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.124063][ T73] netlink_unicast+0x449/0x710 [ 6037.124063][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.124063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.124063][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.124063][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.124063][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.124063][ T73] [ 6037.126382][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.126382][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6037.126382][ T73] ipv6_find_idev+0x102/0x170 [ 6037.126382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.126382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.126382][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.126382][ T73] netlink_unicast+0x449/0x710 [ 6037.126382][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.126382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.126382][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.126382][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.126382][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.126382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.126382][ T73] [ 6037.127909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6037.127909][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6037.127909][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6037.127909][ T73] ipv6_find_idev+0x102/0x170 [ 6037.127909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.127909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.127909][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.127909][ T73] netlink_unicast+0x449/0x710 [ 6037.127909][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.127909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.127909][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.127909][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.127909][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.127909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.127909][ T73] [ 6037.129696][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6037.130037][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.130037][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6037.130037][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6037.130037][ T73] fib6_nh_init+0xa22/0x1580 [ 6037.130037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.130037][ T73] ip6_route_add+0x1c/0x140 [ 6037.130037][ T73] inet6_rtm_newroute+0x104/0x110 [ 6037.130037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.130037][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.130037][ T73] netlink_unicast+0x449/0x710 [ 6037.130037][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.130037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.130037][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.130037][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.130037][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.130037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.130037][ T73] [ 6037.132074][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.132074][ T73] dst_init+0x84/0x4a0 [ 6037.132074][ T73] dst_alloc+0x97/0x150 [ 6037.132074][ T73] ip6_dst_alloc+0x23/0x90 [ 6037.132074][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6037.132074][ T73] ip6_pol_route+0x56f/0x840 [ 6037.132074][ T73] fib6_rule_lookup+0x456/0x630 [ 6037.132074][ T73] ip6_route_input+0x59c/0xa50 [ 6037.132074][ T73] ipv6_rcv+0x397/0x810 [ 6037.132074][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6037.132074][ T73] process_backlog+0x101/0x620 [ 6037.132074][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6037.132074][ T73] net_rx_action+0x495/0xbe0 [ 6037.132074][ T73] __do_softirq+0x1b5/0x7f6 [ 6037.132074][ T73] [ 6037.133890][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.133890][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.133890][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.133890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.133890][ T73] ip6_route_add+0x1c/0x140 [ 6037.133890][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6037.133890][ T73] inet6_addr_add+0x4f8/0xa40 [ 6037.133890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.133890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.133890][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.133890][ T73] netlink_unicast+0x449/0x710 [ 6037.133890][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.133890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.133890][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.133890][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.133890][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.133890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.133890][ T73] [ 6037.136172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.136172][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.136172][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.136172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.136172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6037.136172][ T73] ipv6_add_addr+0x411/0x2000 [ 6037.136172][ T73] inet6_addr_add+0x30e/0xa40 [ 6037.136172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.136172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.136172][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.136172][ T73] netlink_unicast+0x449/0x710 [ 6037.136172][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.136172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.136172][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.136172][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.136172][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.136172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.136172][ T73] [ 6037.138392][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.138392][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.138392][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.138392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.138392][ T73] ip6_route_add+0x1c/0x140 [ 6037.138392][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6037.138392][ T73] addrconf_add_dev+0xe2/0x170 [ 6037.138392][ T73] inet6_addr_add+0x12f/0xa40 [ 6037.138392][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.138392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.138392][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.138392][ T73] netlink_unicast+0x449/0x710 [ 6037.138392][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.138392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.138392][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.138392][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.138392][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.138392][ T73] [ 6037.140586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.140586][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6037.140586][ T73] ipv6_find_idev+0x102/0x170 [ 6037.140586][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.140586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.140586][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.140586][ T73] netlink_unicast+0x449/0x710 [ 6037.140586][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.140586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.140586][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.140586][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.140586][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.140586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.140586][ T73] [ 6037.142288][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6037.142288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6037.142288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6037.142288][ T73] ipv6_find_idev+0x102/0x170 [ 6037.142288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.142288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.142288][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.142288][ T73] netlink_unicast+0x449/0x710 [ 6037.142288][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.142288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.142288][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.142288][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.142288][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.142288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.142288][ T73] [ 6037.144207][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6037.144471][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6037.144471][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.144471][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.144471][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.144471][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6037.144471][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6037.144471][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6037.144471][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6037.144471][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6037.144471][ T73] addrconf_dad_begin+0x310/0x670 [ 6037.144471][ T73] addrconf_dad_work+0x10b/0xab0 [ 6037.144471][ T73] process_one_work+0x84d/0x18a0 [ 6037.144471][ T73] worker_thread+0x587/0xd30 [ 6037.144471][ T73] kthread+0x28a/0x350 [ 6037.144471][ T73] ret_from_fork+0x31/0x70 [ 6037.144471][ T73] ret_from_fork_asm+0x1a/0x30 [ 6037.144471][ T73] [ 6037.146602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6037.146602][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.146602][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.146602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.146602][ T73] ip6_route_add+0x1c/0x140 [ 6037.146602][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6037.146602][ T73] inet6_addr_add+0x4f8/0xa40 [ 6037.146602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.146602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.146602][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.146602][ T73] netlink_unicast+0x449/0x710 [ 6037.146602][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.146602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.146602][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.146602][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.146602][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.146602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.146602][ T73] [ 6037.148819][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6037.148819][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.148819][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.148819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.148819][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6037.148819][ T73] ipv6_add_addr+0x411/0x2000 [ 6037.148819][ T73] inet6_addr_add+0x30e/0xa40 [ 6037.148819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.148819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.148819][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.148819][ T73] netlink_unicast+0x449/0x710 [ 6037.148819][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.148819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.148819][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.148819][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.148819][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.148819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.148819][ T73] [ 6037.151054][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6037.151054][ T73] netdev_get_by_index+0x5e/0x80 [ 6037.151054][ T73] fib6_nh_init+0x3d8/0x1580 [ 6037.151054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6037.151054][ T73] ip6_route_add+0x1c/0x140 [ 6037.151054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6037.151054][ T73] addrconf_add_dev+0xe2/0x170 [ 6037.151054][ T73] inet6_addr_add+0x12f/0xa40 [ 6037.151054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6037.151054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.151054][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.151054][ T73] netlink_unicast+0x449/0x710 [ 6037.151054][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.151054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.151054][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.151054][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.151054][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.151054][ T73] [ 6037.153187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6037.153187][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6037.153187][ T73] ipv6_find_idev+0x102/0x170 [ 6037.153187][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.153187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.153187][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.153187][ T73] netlink_unicast+0x449/0x710 [ 6037.153187][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.153187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.153187][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.153187][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.153187][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.153187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.153187][ T73] [ 6037.154957][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6037.154957][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6037.154957][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6037.154957][ T73] ipv6_find_idev+0x102/0x170 [ 6037.154957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6037.154957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6037.154957][ T73] netlink_rcv_skb+0x130/0x360 [ 6037.154957][ T73] netlink_unicast+0x449/0x710 [ 6037.154957][ T73] netlink_sendmsg+0x723/0xbe0 [ 6037.154957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6037.154957][ T73] ___sys_sendmsg+0xee/0x170 [ 6037.154957][ T73] __sys_sendmsg+0xcd/0x170 [ 6037.154957][ T73] do_syscall_64+0xc6/0x1e0 [ 6037.154957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6037.154957][ T73] [ 6047.334989][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6047.335445][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.335445][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6047.335445][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6047.335445][ T73] fib6_nh_init+0xa22/0x1580 [ 6047.335445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.335445][ T73] ip6_route_add+0x1c/0x140 [ 6047.335445][ T73] inet6_rtm_newroute+0x104/0x110 [ 6047.335445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.335445][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.335445][ T73] netlink_unicast+0x449/0x710 [ 6047.335445][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.335445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.335445][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.335445][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.335445][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.335445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.335445][ T73] [ 6047.337326][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.337326][ T73] dst_init+0x84/0x4a0 [ 6047.337326][ T73] dst_alloc+0x97/0x150 [ 6047.337326][ T73] ip6_dst_alloc+0x23/0x90 [ 6047.337326][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6047.337326][ T73] ip6_pol_route+0x56f/0x840 [ 6047.337326][ T73] fib6_rule_lookup+0x456/0x630 [ 6047.337326][ T73] ip6_route_input+0x59c/0xa50 [ 6047.337326][ T73] ipv6_rcv+0x397/0x810 [ 6047.337326][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6047.337326][ T73] process_backlog+0x101/0x620 [ 6047.337326][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6047.337326][ T73] net_rx_action+0x495/0xbe0 [ 6047.337326][ T73] __do_softirq+0x1b5/0x7f6 [ 6047.337326][ T73] [ 6047.338948][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.338948][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.338948][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.338948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.338948][ T73] ip6_route_add+0x1c/0x140 [ 6047.338948][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6047.338948][ T73] inet6_addr_add+0x4f8/0xa40 [ 6047.338948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.338948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.338948][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.338948][ T73] netlink_unicast+0x449/0x710 [ 6047.338948][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.338948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.338948][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.338948][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.338948][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.338948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.338948][ T73] [ 6047.340931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.340931][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.340931][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.340931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.340931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6047.340931][ T73] ipv6_add_addr+0x411/0x2000 [ 6047.340931][ T73] inet6_addr_add+0x30e/0xa40 [ 6047.340931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.340931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.340931][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.340931][ T73] netlink_unicast+0x449/0x710 [ 6047.340931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.340931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.340931][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.340931][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.340931][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.340931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.340931][ T73] [ 6047.342918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.342918][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.342918][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.342918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.342918][ T73] ip6_route_add+0x1c/0x140 [ 6047.342918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6047.342918][ T73] addrconf_add_dev+0xe2/0x170 [ 6047.342918][ T73] inet6_addr_add+0x12f/0xa40 [ 6047.342918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.342918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.342918][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.342918][ T73] netlink_unicast+0x449/0x710 [ 6047.342918][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.342918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.342918][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.342918][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.342918][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.342918][ T73] [ 6047.344888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.344888][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6047.344888][ T73] ipv6_find_idev+0x102/0x170 [ 6047.344888][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.344888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.344888][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.344888][ T73] netlink_unicast+0x449/0x710 [ 6047.344888][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.344888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.344888][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.344888][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.344888][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.344888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.344888][ T73] [ 6047.346417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6047.346417][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6047.346417][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6047.346417][ T73] ipv6_find_idev+0x102/0x170 [ 6047.346417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.346417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.346417][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.346417][ T73] netlink_unicast+0x449/0x710 [ 6047.346417][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.346417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.346417][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.346417][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.346417][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.346417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.346417][ T73] [ 6047.348107][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6047.348379][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.348379][ T73] dst_init+0x84/0x4a0 [ 6047.348379][ T73] dst_alloc+0x97/0x150 [ 6047.348379][ T73] ip6_dst_alloc+0x23/0x90 [ 6047.348379][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6047.348379][ T73] ip6_pol_route+0x56f/0x840 [ 6047.348379][ T73] fib6_rule_lookup+0x456/0x630 [ 6047.348379][ T73] ip6_route_input+0x59c/0xa50 [ 6047.348379][ T73] ipv6_rcv+0x397/0x810 [ 6047.348379][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6047.348379][ T73] process_backlog+0x101/0x620 [ 6047.348379][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6047.348379][ T73] net_rx_action+0x495/0xbe0 [ 6047.348379][ T73] __do_softirq+0x1b5/0x7f6 [ 6047.348379][ T73] [ 6047.350009][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.350009][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.350009][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.350009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.350009][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6047.350009][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6047.350009][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6047.350009][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6047.350009][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6047.350009][ T73] addrconf_dad_begin+0x310/0x670 [ 6047.350009][ T73] addrconf_dad_work+0x10b/0xab0 [ 6047.350009][ T73] process_one_work+0x84d/0x18a0 [ 6047.350009][ T73] worker_thread+0x587/0xd30 [ 6047.350009][ T73] kthread+0x28a/0x350 [ 6047.350009][ T73] ret_from_fork+0x31/0x70 [ 6047.350009][ T73] ret_from_fork_asm+0x1a/0x30 [ 6047.350009][ T73] [ 6047.351900][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.351900][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.351900][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.351900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.351900][ T73] ip6_route_add+0x1c/0x140 [ 6047.351900][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6047.351900][ T73] inet6_addr_add+0x4f8/0xa40 [ 6047.351900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.351900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.351900][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.351900][ T73] netlink_unicast+0x449/0x710 [ 6047.351900][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.351900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.351900][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.351900][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.351900][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.351900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.351900][ T73] [ 6047.354272][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.354272][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.354272][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.354272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.354272][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6047.354272][ T73] ipv6_add_addr+0x411/0x2000 [ 6047.354272][ T73] inet6_addr_add+0x30e/0xa40 [ 6047.354272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.354272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.354272][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.354272][ T73] netlink_unicast+0x449/0x710 [ 6047.354272][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.354272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.354272][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.354272][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.354272][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.354272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.354272][ T73] [ 6047.356251][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.356251][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.356251][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.356251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.356251][ T73] ip6_route_add+0x1c/0x140 [ 6047.356251][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6047.356251][ T73] addrconf_add_dev+0xe2/0x170 [ 6047.356251][ T73] inet6_addr_add+0x12f/0xa40 [ 6047.356251][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.356251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.356251][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.356251][ T73] netlink_unicast+0x449/0x710 [ 6047.356251][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.356251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.356251][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.356251][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.356251][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.356251][ T73] [ 6047.358711][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.358711][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6047.358711][ T73] ipv6_find_idev+0x102/0x170 [ 6047.358711][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.358711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.358711][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.358711][ T73] netlink_unicast+0x449/0x710 [ 6047.358711][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.358711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.358711][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.358711][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.358711][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.358711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.358711][ T73] [ 6047.360238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6047.360238][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6047.360238][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6047.360238][ T73] ipv6_find_idev+0x102/0x170 [ 6047.360238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.360238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.360238][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.360238][ T73] netlink_unicast+0x449/0x710 [ 6047.360238][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.360238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.360238][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.360238][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.360238][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.360238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.360238][ T73] [ 6047.362037][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6047.362359][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.362359][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6047.362359][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6047.362359][ T73] fib6_nh_init+0xa22/0x1580 [ 6047.362359][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.362359][ T73] ip6_route_add+0x1c/0x140 [ 6047.362359][ T73] inet6_rtm_newroute+0x104/0x110 [ 6047.362359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.362359][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.362359][ T73] netlink_unicast+0x449/0x710 [ 6047.362359][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.362359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.362359][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.362359][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.362359][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.362359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.362359][ T73] [ 6047.364405][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.364405][ T73] dst_init+0x84/0x4a0 [ 6047.364405][ T73] dst_alloc+0x97/0x150 [ 6047.364405][ T73] ip6_dst_alloc+0x23/0x90 [ 6047.364405][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6047.364405][ T73] ip6_pol_route+0x56f/0x840 [ 6047.364405][ T73] fib6_rule_lookup+0x456/0x630 [ 6047.364405][ T73] ip6_route_input+0x59c/0xa50 [ 6047.364405][ T73] ipv6_rcv+0x397/0x810 [ 6047.364405][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6047.364405][ T73] process_backlog+0x101/0x620 [ 6047.364405][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6047.364405][ T73] net_rx_action+0x495/0xbe0 [ 6047.364405][ T73] __do_softirq+0x1b5/0x7f6 [ 6047.364405][ T73] [ 6047.366200][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.366200][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.366200][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.366200][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.366200][ T73] ip6_route_add+0x1c/0x140 [ 6047.366200][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6047.366200][ T73] inet6_addr_add+0x4f8/0xa40 [ 6047.366200][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.366200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.366200][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.366200][ T73] netlink_unicast+0x449/0x710 [ 6047.366200][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.366200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.366200][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.366200][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.366200][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.366200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.366200][ T73] [ 6047.368417][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.368417][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.368417][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.368417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.368417][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6047.368417][ T73] ipv6_add_addr+0x411/0x2000 [ 6047.368417][ T73] inet6_addr_add+0x30e/0xa40 [ 6047.368417][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.368417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.368417][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.368417][ T73] netlink_unicast+0x449/0x710 [ 6047.368417][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.368417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.368417][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.368417][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.368417][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.368417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.368417][ T73] [ 6047.370579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.370579][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.370579][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.370579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.370579][ T73] ip6_route_add+0x1c/0x140 [ 6047.370579][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6047.370579][ T73] addrconf_add_dev+0xe2/0x170 [ 6047.370579][ T73] inet6_addr_add+0x12f/0xa40 [ 6047.370579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.370579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.370579][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.370579][ T73] netlink_unicast+0x449/0x710 [ 6047.370579][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.370579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.370579][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.370579][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.370579][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.370579][ T73] [ 6047.372825][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.372825][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6047.372825][ T73] ipv6_find_idev+0x102/0x170 [ 6047.372825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.372825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.372825][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.372825][ T73] netlink_unicast+0x449/0x710 [ 6047.372825][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.372825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.372825][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.372825][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.372825][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.372825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.372825][ T73] [ 6047.374547][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6047.374547][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6047.374547][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6047.374547][ T73] ipv6_find_idev+0x102/0x170 [ 6047.374547][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.374547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.374547][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.374547][ T73] netlink_unicast+0x449/0x710 [ 6047.374547][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.374547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.374547][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.374547][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.374547][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.374547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.374547][ T73] [ 6047.376398][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6047.376663][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6047.376663][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.376663][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.376663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.376663][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6047.376663][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6047.376663][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6047.376663][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6047.376663][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6047.376663][ T73] addrconf_dad_begin+0x310/0x670 [ 6047.376663][ T73] addrconf_dad_work+0x10b/0xab0 [ 6047.376663][ T73] process_one_work+0x84d/0x18a0 [ 6047.376663][ T73] worker_thread+0x587/0xd30 [ 6047.376663][ T73] kthread+0x28a/0x350 [ 6047.376663][ T73] ret_from_fork+0x31/0x70 [ 6047.376663][ T73] ret_from_fork_asm+0x1a/0x30 [ 6047.376663][ T73] [ 6047.379177][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6047.379177][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.379177][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.379177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.379177][ T73] ip6_route_add+0x1c/0x140 [ 6047.379177][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6047.379177][ T73] inet6_addr_add+0x4f8/0xa40 [ 6047.379177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.379177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.379177][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.379177][ T73] netlink_unicast+0x449/0x710 [ 6047.379177][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.379177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.379177][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.379177][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.379177][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.379177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.379177][ T73] [ 6047.381455][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6047.381455][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.381455][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.381455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.381455][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6047.381455][ T73] ipv6_add_addr+0x411/0x2000 [ 6047.381455][ T73] inet6_addr_add+0x30e/0xa40 [ 6047.381455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.381455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.381455][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.381455][ T73] netlink_unicast+0x449/0x710 [ 6047.381455][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.381455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.381455][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.381455][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.381455][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.381455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.381455][ T73] [ 6047.383687][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6047.383687][ T73] netdev_get_by_index+0x5e/0x80 [ 6047.383687][ T73] fib6_nh_init+0x3d8/0x1580 [ 6047.383687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6047.383687][ T73] ip6_route_add+0x1c/0x140 [ 6047.383687][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6047.383687][ T73] addrconf_add_dev+0xe2/0x170 [ 6047.383687][ T73] inet6_addr_add+0x12f/0xa40 [ 6047.383687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6047.383687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.383687][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.383687][ T73] netlink_unicast+0x449/0x710 [ 6047.383687][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.383687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.383687][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.383687][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.383687][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.383687][ T73] [ 6047.385800][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6047.385800][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6047.385800][ T73] ipv6_find_idev+0x102/0x170 [ 6047.385800][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.385800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.385800][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.385800][ T73] netlink_unicast+0x449/0x710 [ 6047.385800][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.385800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.385800][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.385800][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.385800][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.385800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.385800][ T73] [ 6047.387511][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6047.387511][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6047.387511][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6047.387511][ T73] ipv6_find_idev+0x102/0x170 [ 6047.387511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6047.387511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6047.387511][ T73] netlink_rcv_skb+0x130/0x360 [ 6047.387511][ T73] netlink_unicast+0x449/0x710 [ 6047.387511][ T73] netlink_sendmsg+0x723/0xbe0 [ 6047.387511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6047.387511][ T73] ___sys_sendmsg+0xee/0x170 [ 6047.387511][ T73] __sys_sendmsg+0xcd/0x170 [ 6047.387511][ T73] do_syscall_64+0xc6/0x1e0 [ 6047.387511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6047.387511][ T73] [ 6057.630850][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6057.631320][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.631320][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6057.631320][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6057.631320][ T73] fib6_nh_init+0xa22/0x1580 [ 6057.631320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.631320][ T73] ip6_route_add+0x1c/0x140 [ 6057.631320][ T73] inet6_rtm_newroute+0x104/0x110 [ 6057.631320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.631320][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.631320][ T73] netlink_unicast+0x449/0x710 [ 6057.631320][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.631320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.631320][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.631320][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.631320][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.631320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.631320][ T73] [ 6057.633208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.633208][ T73] dst_init+0x84/0x4a0 [ 6057.633208][ T73] dst_alloc+0x97/0x150 [ 6057.633208][ T73] ip6_dst_alloc+0x23/0x90 [ 6057.633208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6057.633208][ T73] ip6_pol_route+0x56f/0x840 [ 6057.633208][ T73] fib6_rule_lookup+0x456/0x630 [ 6057.633208][ T73] ip6_route_input+0x59c/0xa50 [ 6057.633208][ T73] ipv6_rcv+0x397/0x810 [ 6057.633208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6057.633208][ T73] process_backlog+0x101/0x620 [ 6057.633208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6057.633208][ T73] net_rx_action+0x495/0xbe0 [ 6057.633208][ T73] __do_softirq+0x1b5/0x7f6 [ 6057.633208][ T73] [ 6057.634833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.634833][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.634833][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.634833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.634833][ T73] ip6_route_add+0x1c/0x140 [ 6057.634833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6057.634833][ T73] inet6_addr_add+0x4f8/0xa40 [ 6057.634833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.634833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.634833][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.634833][ T73] netlink_unicast+0x449/0x710 [ 6057.634833][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.634833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.634833][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.634833][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.634833][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.634833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.634833][ T73] [ 6057.636818][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.636818][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.636818][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.636818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.636818][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6057.636818][ T73] ipv6_add_addr+0x411/0x2000 [ 6057.636818][ T73] inet6_addr_add+0x30e/0xa40 [ 6057.636818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.636818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.636818][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.636818][ T73] netlink_unicast+0x449/0x710 [ 6057.636818][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.636818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.636818][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.636818][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.636818][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.636818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.636818][ T73] [ 6057.638807][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.638807][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.638807][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.638807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.638807][ T73] ip6_route_add+0x1c/0x140 [ 6057.638807][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6057.638807][ T73] addrconf_add_dev+0xe2/0x170 [ 6057.638807][ T73] inet6_addr_add+0x12f/0xa40 [ 6057.638807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.638807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.638807][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.638807][ T73] netlink_unicast+0x449/0x710 [ 6057.638807][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.638807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.638807][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.638807][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.638807][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.638807][ T73] [ 6057.640765][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.640765][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6057.640765][ T73] ipv6_find_idev+0x102/0x170 [ 6057.640765][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.640765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.640765][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.640765][ T73] netlink_unicast+0x449/0x710 [ 6057.640765][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.640765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.640765][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.640765][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.640765][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.640765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.640765][ T73] [ 6057.642293][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6057.642293][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6057.642293][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6057.642293][ T73] ipv6_find_idev+0x102/0x170 [ 6057.642293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.642293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.642293][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.642293][ T73] netlink_unicast+0x449/0x710 [ 6057.642293][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.642293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.642293][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.642293][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.642293][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.642293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.642293][ T73] [ 6057.643972][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6057.644243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.644243][ T73] dst_init+0x84/0x4a0 [ 6057.644243][ T73] dst_alloc+0x97/0x150 [ 6057.644243][ T73] ip6_dst_alloc+0x23/0x90 [ 6057.644243][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6057.644243][ T73] ip6_pol_route+0x56f/0x840 [ 6057.644243][ T73] fib6_rule_lookup+0x456/0x630 [ 6057.644243][ T73] ip6_route_input+0x59c/0xa50 [ 6057.644243][ T73] ipv6_rcv+0x397/0x810 [ 6057.644243][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6057.644243][ T73] process_backlog+0x101/0x620 [ 6057.644243][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6057.644243][ T73] net_rx_action+0x495/0xbe0 [ 6057.644243][ T73] __do_softirq+0x1b5/0x7f6 [ 6057.644243][ T73] [ 6057.645884][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.645884][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.645884][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.645884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.645884][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6057.645884][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6057.645884][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6057.645884][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6057.645884][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6057.645884][ T73] addrconf_dad_begin+0x310/0x670 [ 6057.645884][ T73] addrconf_dad_work+0x10b/0xab0 [ 6057.645884][ T73] process_one_work+0x84d/0x18a0 [ 6057.645884][ T73] worker_thread+0x587/0xd30 [ 6057.645884][ T73] kthread+0x28a/0x350 [ 6057.645884][ T73] ret_from_fork+0x31/0x70 [ 6057.645884][ T73] ret_from_fork_asm+0x1a/0x30 [ 6057.645884][ T73] [ 6057.647774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.647774][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.647774][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.647774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.647774][ T73] ip6_route_add+0x1c/0x140 [ 6057.647774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6057.647774][ T73] inet6_addr_add+0x4f8/0xa40 [ 6057.647774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.647774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.647774][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.647774][ T73] netlink_unicast+0x449/0x710 [ 6057.647774][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.647774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.647774][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.647774][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.647774][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.647774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.647774][ T73] [ 6057.649761][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.649761][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.649761][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.649761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.649761][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6057.649761][ T73] ipv6_add_addr+0x411/0x2000 [ 6057.649761][ T73] inet6_addr_add+0x30e/0xa40 [ 6057.649761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.649761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.649761][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.649761][ T73] netlink_unicast+0x449/0x710 [ 6057.649761][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.649761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.649761][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.649761][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.649761][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.649761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.649761][ T73] [ 6057.651745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.651745][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.651745][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.651745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.651745][ T73] ip6_route_add+0x1c/0x140 [ 6057.651745][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6057.651745][ T73] addrconf_add_dev+0xe2/0x170 [ 6057.651745][ T73] inet6_addr_add+0x12f/0xa40 [ 6057.651745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.651745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.651745][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.651745][ T73] netlink_unicast+0x449/0x710 [ 6057.651745][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.651745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.651745][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.651745][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.651745][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.651745][ T73] [ 6057.653700][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.653700][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6057.653700][ T73] ipv6_find_idev+0x102/0x170 [ 6057.653700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.653700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.653700][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.653700][ T73] netlink_unicast+0x449/0x710 [ 6057.653700][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.653700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.653700][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.653700][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.653700][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.653700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.653700][ T73] [ 6057.655225][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6057.655225][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6057.655225][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6057.655225][ T73] ipv6_find_idev+0x102/0x170 [ 6057.655225][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.655225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.655225][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.655225][ T73] netlink_unicast+0x449/0x710 [ 6057.655225][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.655225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.655225][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.655225][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.655225][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.655225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.655225][ T73] [ 6057.657018][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6057.657348][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.657348][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6057.657348][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6057.657348][ T73] fib6_nh_init+0xa22/0x1580 [ 6057.657348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.657348][ T73] ip6_route_add+0x1c/0x140 [ 6057.657348][ T73] inet6_rtm_newroute+0x104/0x110 [ 6057.657348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.657348][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.657348][ T73] netlink_unicast+0x449/0x710 [ 6057.657348][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.657348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.657348][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.657348][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.657348][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.657348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.657348][ T73] [ 6057.659382][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.659382][ T73] dst_init+0x84/0x4a0 [ 6057.659382][ T73] dst_alloc+0x97/0x150 [ 6057.659382][ T73] ip6_dst_alloc+0x23/0x90 [ 6057.659382][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6057.659382][ T73] ip6_pol_route+0x56f/0x840 [ 6057.659382][ T73] fib6_rule_lookup+0x456/0x630 [ 6057.659382][ T73] ip6_route_input+0x59c/0xa50 [ 6057.659382][ T73] ipv6_rcv+0x397/0x810 [ 6057.659382][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6057.659382][ T73] process_backlog+0x101/0x620 [ 6057.659382][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6057.659382][ T73] net_rx_action+0x495/0xbe0 [ 6057.659382][ T73] __do_softirq+0x1b5/0x7f6 [ 6057.659382][ T73] [ 6057.661259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.661259][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.661259][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.661259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.661259][ T73] ip6_route_add+0x1c/0x140 [ 6057.661259][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6057.661259][ T73] inet6_addr_add+0x4f8/0xa40 [ 6057.661259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.661259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.661259][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.661259][ T73] netlink_unicast+0x449/0x710 [ 6057.661259][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.661259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.661259][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.661259][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.661259][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.661259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.661259][ T73] [ 6057.663499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.663499][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.663499][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.663499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.663499][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6057.663499][ T73] ipv6_add_addr+0x411/0x2000 [ 6057.663499][ T73] inet6_addr_add+0x30e/0xa40 [ 6057.663499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.663499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.663499][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.663499][ T73] netlink_unicast+0x449/0x710 [ 6057.663499][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.663499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.663499][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.663499][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.663499][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.663499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.663499][ T73] [ 6057.665726][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.665726][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.665726][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.665726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.665726][ T73] ip6_route_add+0x1c/0x140 [ 6057.665726][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6057.665726][ T73] addrconf_add_dev+0xe2/0x170 [ 6057.665726][ T73] inet6_addr_add+0x12f/0xa40 [ 6057.665726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.665726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.665726][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.665726][ T73] netlink_unicast+0x449/0x710 [ 6057.665726][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.665726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.665726][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.665726][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.665726][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.665726][ T73] [ 6057.667915][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.667915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6057.667915][ T73] ipv6_find_idev+0x102/0x170 [ 6057.667915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.667915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.667915][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.667915][ T73] netlink_unicast+0x449/0x710 [ 6057.667915][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.667915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.667915][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.667915][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.667915][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.667915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.667915][ T73] [ 6057.669622][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6057.669622][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6057.669622][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6057.669622][ T73] ipv6_find_idev+0x102/0x170 [ 6057.669622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.669622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.669622][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.669622][ T73] netlink_unicast+0x449/0x710 [ 6057.669622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.669622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.669622][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.669622][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.669622][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.669622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.669622][ T73] [ 6057.671551][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6057.671823][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6057.671823][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.671823][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.671823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.671823][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6057.671823][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6057.671823][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6057.671823][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6057.671823][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6057.671823][ T73] addrconf_dad_begin+0x310/0x670 [ 6057.671823][ T73] addrconf_dad_work+0x10b/0xab0 [ 6057.671823][ T73] process_one_work+0x84d/0x18a0 [ 6057.671823][ T73] worker_thread+0x587/0xd30 [ 6057.671823][ T73] kthread+0x28a/0x350 [ 6057.671823][ T73] ret_from_fork+0x31/0x70 [ 6057.671823][ T73] ret_from_fork_asm+0x1a/0x30 [ 6057.671823][ T73] [ 6057.673957][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6057.673957][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.673957][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.673957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.673957][ T73] ip6_route_add+0x1c/0x140 [ 6057.673957][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6057.673957][ T73] inet6_addr_add+0x4f8/0xa40 [ 6057.673957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.673957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.673957][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.673957][ T73] netlink_unicast+0x449/0x710 [ 6057.673957][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.673957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.673957][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.673957][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.673957][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.673957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.673957][ T73] [ 6057.676177][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6057.676177][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.676177][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.676177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.676177][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6057.676177][ T73] ipv6_add_addr+0x411/0x2000 [ 6057.676177][ T73] inet6_addr_add+0x30e/0xa40 [ 6057.676177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.676177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.676177][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.676177][ T73] netlink_unicast+0x449/0x710 [ 6057.676177][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.676177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.676177][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.676177][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.676177][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.676177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.676177][ T73] [ 6057.678392][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6057.678392][ T73] netdev_get_by_index+0x5e/0x80 [ 6057.678392][ T73] fib6_nh_init+0x3d8/0x1580 [ 6057.678392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6057.678392][ T73] ip6_route_add+0x1c/0x140 [ 6057.678392][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6057.678392][ T73] addrconf_add_dev+0xe2/0x170 [ 6057.678392][ T73] inet6_addr_add+0x12f/0xa40 [ 6057.678392][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.678392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.678392][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.678392][ T73] netlink_unicast+0x449/0x710 [ 6057.678392][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.678392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.678392][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.678392][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.678392][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.678392][ T73] [ 6057.680579][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6057.680579][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6057.680579][ T73] ipv6_find_idev+0x102/0x170 [ 6057.680579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.680579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.680579][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.680579][ T73] netlink_unicast+0x449/0x710 [ 6057.680579][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.680579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.680579][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.680579][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.680579][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.680579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.680579][ T73] [ 6057.682282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6057.682282][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6057.682282][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6057.682282][ T73] ipv6_find_idev+0x102/0x170 [ 6057.682282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.682282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.682282][ T73] netlink_rcv_skb+0x130/0x360 [ 6057.682282][ T73] netlink_unicast+0x449/0x710 [ 6057.682282][ T73] netlink_sendmsg+0x723/0xbe0 [ 6057.682282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6057.682282][ T73] ___sys_sendmsg+0xee/0x170 [ 6057.682282][ T73] __sys_sendmsg+0xcd/0x170 [ 6057.682282][ T73] do_syscall_64+0xc6/0x1e0 [ 6057.682282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.682282][ T73] [ 6067.839036][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6067.839506][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.839506][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6067.839506][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6067.839506][ T73] fib6_nh_init+0xa22/0x1580 [ 6067.839506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.839506][ T73] ip6_route_add+0x1c/0x140 [ 6067.839506][ T73] inet6_rtm_newroute+0x104/0x110 [ 6067.839506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.839506][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.839506][ T73] netlink_unicast+0x449/0x710 [ 6067.839506][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.839506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.839506][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.839506][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.839506][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.839506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.839506][ T73] [ 6067.841389][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.841389][ T73] dst_init+0x84/0x4a0 [ 6067.841389][ T73] dst_alloc+0x97/0x150 [ 6067.841389][ T73] ip6_dst_alloc+0x23/0x90 [ 6067.841389][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6067.841389][ T73] ip6_pol_route+0x56f/0x840 [ 6067.841389][ T73] fib6_rule_lookup+0x456/0x630 [ 6067.841389][ T73] ip6_route_input+0x59c/0xa50 [ 6067.841389][ T73] ipv6_rcv+0x397/0x810 [ 6067.841389][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6067.841389][ T73] process_backlog+0x101/0x620 [ 6067.841389][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6067.841389][ T73] net_rx_action+0x495/0xbe0 [ 6067.841389][ T73] __do_softirq+0x1b5/0x7f6 [ 6067.841389][ T73] [ 6067.843030][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.843030][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.843030][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.843030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.843030][ T73] ip6_route_add+0x1c/0x140 [ 6067.843030][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6067.843030][ T73] inet6_addr_add+0x4f8/0xa40 [ 6067.843030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.843030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.843030][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.843030][ T73] netlink_unicast+0x449/0x710 [ 6067.843030][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.843030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.843030][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.843030][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.843030][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.843030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.843030][ T73] [ 6067.845012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.845012][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.845012][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.845012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.845012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6067.845012][ T73] ipv6_add_addr+0x411/0x2000 [ 6067.845012][ T73] inet6_addr_add+0x30e/0xa40 [ 6067.845012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.845012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.845012][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.845012][ T73] netlink_unicast+0x449/0x710 [ 6067.845012][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.845012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.845012][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.845012][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.845012][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.845012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.845012][ T73] [ 6067.846994][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.846994][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.846994][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.846994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.846994][ T73] ip6_route_add+0x1c/0x140 [ 6067.846994][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6067.846994][ T73] addrconf_add_dev+0xe2/0x170 [ 6067.846994][ T73] inet6_addr_add+0x12f/0xa40 [ 6067.846994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.846994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.846994][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.846994][ T73] netlink_unicast+0x449/0x710 [ 6067.846994][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.846994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.846994][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.846994][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.846994][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.846994][ T73] [ 6067.848943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.848943][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6067.848943][ T73] ipv6_find_idev+0x102/0x170 [ 6067.848943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.848943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.848943][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.848943][ T73] netlink_unicast+0x449/0x710 [ 6067.848943][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.848943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.848943][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.848943][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.848943][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.848943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.848943][ T73] [ 6067.850469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6067.850469][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6067.850469][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6067.850469][ T73] ipv6_find_idev+0x102/0x170 [ 6067.850469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.850469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.850469][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.850469][ T73] netlink_unicast+0x449/0x710 [ 6067.850469][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.850469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.850469][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.850469][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.850469][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.850469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.850469][ T73] [ 6067.852152][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6067.852420][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.852420][ T73] dst_init+0x84/0x4a0 [ 6067.852420][ T73] dst_alloc+0x97/0x150 [ 6067.852420][ T73] ip6_dst_alloc+0x23/0x90 [ 6067.852420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6067.852420][ T73] ip6_pol_route+0x56f/0x840 [ 6067.852420][ T73] fib6_rule_lookup+0x456/0x630 [ 6067.852420][ T73] ip6_route_input+0x59c/0xa50 [ 6067.852420][ T73] ipv6_rcv+0x397/0x810 [ 6067.852420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6067.852420][ T73] process_backlog+0x101/0x620 [ 6067.852420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6067.852420][ T73] net_rx_action+0x495/0xbe0 [ 6067.852420][ T73] __do_softirq+0x1b5/0x7f6 [ 6067.852420][ T73] [ 6067.854059][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.854059][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.854059][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.854059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.854059][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6067.854059][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6067.854059][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6067.854059][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6067.854059][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6067.854059][ T73] addrconf_dad_begin+0x310/0x670 [ 6067.854059][ T73] addrconf_dad_work+0x10b/0xab0 [ 6067.854059][ T73] process_one_work+0x84d/0x18a0 [ 6067.854059][ T73] worker_thread+0x587/0xd30 [ 6067.854059][ T73] kthread+0x28a/0x350 [ 6067.854059][ T73] ret_from_fork+0x31/0x70 [ 6067.854059][ T73] ret_from_fork_asm+0x1a/0x30 [ 6067.854059][ T73] [ 6067.855965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.855965][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.855965][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.855965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.855965][ T73] ip6_route_add+0x1c/0x140 [ 6067.855965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6067.855965][ T73] inet6_addr_add+0x4f8/0xa40 [ 6067.855965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.855965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.855965][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.855965][ T73] netlink_unicast+0x449/0x710 [ 6067.855965][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.855965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.855965][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.855965][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.855965][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.855965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.855965][ T73] [ 6067.857951][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.857951][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.857951][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.857951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.857951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6067.857951][ T73] ipv6_add_addr+0x411/0x2000 [ 6067.857951][ T73] inet6_addr_add+0x30e/0xa40 [ 6067.857951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.857951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.857951][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.857951][ T73] netlink_unicast+0x449/0x710 [ 6067.857951][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.857951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.857951][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.857951][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.857951][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.857951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.857951][ T73] [ 6067.859933][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.859933][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.859933][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.859933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.859933][ T73] ip6_route_add+0x1c/0x140 [ 6067.859933][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6067.859933][ T73] addrconf_add_dev+0xe2/0x170 [ 6067.859933][ T73] inet6_addr_add+0x12f/0xa40 [ 6067.859933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.859933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.859933][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.859933][ T73] netlink_unicast+0x449/0x710 [ 6067.859933][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.859933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.859933][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.859933][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.859933][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.859933][ T73] [ 6067.861878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.861878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6067.861878][ T73] ipv6_find_idev+0x102/0x170 [ 6067.861878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.861878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.861878][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.861878][ T73] netlink_unicast+0x449/0x710 [ 6067.861878][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.861878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.861878][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.861878][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.861878][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.861878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.861878][ T73] [ 6067.863409][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6067.863409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6067.863409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6067.863409][ T73] ipv6_find_idev+0x102/0x170 [ 6067.863409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.863409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.863409][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.863409][ T73] netlink_unicast+0x449/0x710 [ 6067.863409][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.863409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.863409][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.863409][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.863409][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.863409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.863409][ T73] [ 6067.865133][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6067.865459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.865459][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6067.865459][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6067.865459][ T73] fib6_nh_init+0xa22/0x1580 [ 6067.865459][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.865459][ T73] ip6_route_add+0x1c/0x140 [ 6067.865459][ T73] inet6_rtm_newroute+0x104/0x110 [ 6067.865459][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.865459][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.865459][ T73] netlink_unicast+0x449/0x710 [ 6067.865459][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.865459][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.865459][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.865459][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.865459][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.865459][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.865459][ T73] [ 6067.867441][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.867441][ T73] dst_init+0x84/0x4a0 [ 6067.867441][ T73] dst_alloc+0x97/0x150 [ 6067.867441][ T73] ip6_dst_alloc+0x23/0x90 [ 6067.867441][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6067.867441][ T73] ip6_pol_route+0x56f/0x840 [ 6067.867441][ T73] fib6_rule_lookup+0x456/0x630 [ 6067.867441][ T73] ip6_route_input+0x59c/0xa50 [ 6067.867441][ T73] ipv6_rcv+0x397/0x810 [ 6067.867441][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6067.867441][ T73] process_backlog+0x101/0x620 [ 6067.867441][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6067.867441][ T73] net_rx_action+0x495/0xbe0 [ 6067.867441][ T73] __do_softirq+0x1b5/0x7f6 [ 6067.867441][ T73] [ 6067.869248][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.869248][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.869248][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.869248][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.869248][ T73] ip6_route_add+0x1c/0x140 [ 6067.869248][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6067.869248][ T73] inet6_addr_add+0x4f8/0xa40 [ 6067.869248][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.869248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.869248][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.869248][ T73] netlink_unicast+0x449/0x710 [ 6067.869248][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.869248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.869248][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.869248][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.869248][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.869248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.869248][ T73] [ 6067.871493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.871493][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.871493][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.871493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.871493][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6067.871493][ T73] ipv6_add_addr+0x411/0x2000 [ 6067.871493][ T73] inet6_addr_add+0x30e/0xa40 [ 6067.871493][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.871493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.871493][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.871493][ T73] netlink_unicast+0x449/0x710 [ 6067.871493][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.871493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.871493][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.871493][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.871493][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.871493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.871493][ T73] [ 6067.873738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.873738][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.873738][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.873738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.873738][ T73] ip6_route_add+0x1c/0x140 [ 6067.873738][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6067.873738][ T73] addrconf_add_dev+0xe2/0x170 [ 6067.873738][ T73] inet6_addr_add+0x12f/0xa40 [ 6067.873738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.873738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.873738][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.873738][ T73] netlink_unicast+0x449/0x710 [ 6067.873738][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.873738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.873738][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.873738][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.873738][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.873738][ T73] [ 6067.875955][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.875955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6067.875955][ T73] ipv6_find_idev+0x102/0x170 [ 6067.875955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.875955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.875955][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.875955][ T73] netlink_unicast+0x449/0x710 [ 6067.875955][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.875955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.875955][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.875955][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.875955][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.875955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.875955][ T73] [ 6067.877666][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6067.877666][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6067.877666][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6067.877666][ T73] ipv6_find_idev+0x102/0x170 [ 6067.877666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.877666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.877666][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.877666][ T73] netlink_unicast+0x449/0x710 [ 6067.877666][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.877666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.877666][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.877666][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.877666][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.877666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.877666][ T73] [ 6067.879531][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6067.879802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6067.879802][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.879802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.879802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.879802][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6067.879802][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6067.879802][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6067.879802][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6067.879802][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6067.879802][ T73] addrconf_dad_begin+0x310/0x670 [ 6067.879802][ T73] addrconf_dad_work+0x10b/0xab0 [ 6067.879802][ T73] process_one_work+0x84d/0x18a0 [ 6067.879802][ T73] worker_thread+0x587/0xd30 [ 6067.879802][ T73] kthread+0x28a/0x350 [ 6067.879802][ T73] ret_from_fork+0x31/0x70 [ 6067.879802][ T73] ret_from_fork_asm+0x1a/0x30 [ 6067.879802][ T73] [ 6067.881954][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6067.881954][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.881954][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.881954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.881954][ T73] ip6_route_add+0x1c/0x140 [ 6067.881954][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6067.881954][ T73] inet6_addr_add+0x4f8/0xa40 [ 6067.881954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.881954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.881954][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.881954][ T73] netlink_unicast+0x449/0x710 [ 6067.881954][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.881954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.881954][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.881954][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.881954][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.881954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.881954][ T73] [ 6067.884259][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6067.884259][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.884259][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.884259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.884259][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6067.884259][ T73] ipv6_add_addr+0x411/0x2000 [ 6067.884259][ T73] inet6_addr_add+0x30e/0xa40 [ 6067.884259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.884259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.884259][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.884259][ T73] netlink_unicast+0x449/0x710 [ 6067.884259][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.884259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.884259][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.884259][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.884259][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.884259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.884259][ T73] [ 6067.886489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6067.886489][ T73] netdev_get_by_index+0x5e/0x80 [ 6067.886489][ T73] fib6_nh_init+0x3d8/0x1580 [ 6067.886489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6067.886489][ T73] ip6_route_add+0x1c/0x140 [ 6067.886489][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6067.886489][ T73] addrconf_add_dev+0xe2/0x170 [ 6067.886489][ T73] inet6_addr_add+0x12f/0xa40 [ 6067.886489][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.886489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.886489][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.886489][ T73] netlink_unicast+0x449/0x710 [ 6067.886489][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.886489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.886489][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.886489][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.886489][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.886489][ T73] [ 6067.888682][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6067.888682][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6067.888682][ T73] ipv6_find_idev+0x102/0x170 [ 6067.888682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.888682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.888682][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.888682][ T73] netlink_unicast+0x449/0x710 [ 6067.888682][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.888682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.888682][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.888682][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.888682][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.888682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.888682][ T73] [ 6067.890331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6067.890331][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6067.890331][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6067.890331][ T73] ipv6_find_idev+0x102/0x170 [ 6067.890331][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.890331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.890331][ T73] netlink_rcv_skb+0x130/0x360 [ 6067.890331][ T73] netlink_unicast+0x449/0x710 [ 6067.890331][ T73] netlink_sendmsg+0x723/0xbe0 [ 6067.890331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6067.890331][ T73] ___sys_sendmsg+0xee/0x170 [ 6067.890331][ T73] __sys_sendmsg+0xcd/0x170 [ 6067.890331][ T73] do_syscall_64+0xc6/0x1e0 [ 6067.890331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.890331][ T73] [ 6077.982938][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6077.983332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.983332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6077.983332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6077.983332][ T73] fib6_nh_init+0xa22/0x1580 [ 6077.983332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6077.983332][ T73] ip6_route_add+0x1c/0x140 [ 6077.983332][ T73] inet6_rtm_newroute+0x104/0x110 [ 6077.983332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.983332][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.983332][ T73] netlink_unicast+0x449/0x710 [ 6077.983332][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.983332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.983332][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.983332][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.983332][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.983332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.983332][ T73] [ 6077.985209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.985209][ T73] dst_init+0x84/0x4a0 [ 6077.985209][ T73] dst_alloc+0x97/0x150 [ 6077.985209][ T73] ip6_dst_alloc+0x23/0x90 [ 6077.985209][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6077.985209][ T73] ip6_pol_route+0x56f/0x840 [ 6077.985209][ T73] fib6_rule_lookup+0x456/0x630 [ 6077.985209][ T73] ip6_route_input+0x59c/0xa50 [ 6077.985209][ T73] ipv6_rcv+0x397/0x810 [ 6077.985209][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6077.985209][ T73] process_backlog+0x101/0x620 [ 6077.985209][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6077.985209][ T73] net_rx_action+0x495/0xbe0 [ 6077.985209][ T73] __do_softirq+0x1b5/0x7f6 [ 6077.985209][ T73] [ 6077.986853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.986853][ T73] netdev_get_by_index+0x5e/0x80 [ 6077.986853][ T73] fib6_nh_init+0x3d8/0x1580 [ 6077.986853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6077.986853][ T73] ip6_route_add+0x1c/0x140 [ 6077.986853][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6077.986853][ T73] inet6_addr_add+0x4f8/0xa40 [ 6077.986853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.986853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.986853][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.986853][ T73] netlink_unicast+0x449/0x710 [ 6077.986853][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.986853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.986853][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.986853][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.986853][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.986853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.986853][ T73] [ 6077.988838][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.988838][ T73] netdev_get_by_index+0x5e/0x80 [ 6077.988838][ T73] fib6_nh_init+0x3d8/0x1580 [ 6077.988838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6077.988838][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6077.988838][ T73] ipv6_add_addr+0x411/0x2000 [ 6077.988838][ T73] inet6_addr_add+0x30e/0xa40 [ 6077.988838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.988838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.988838][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.988838][ T73] netlink_unicast+0x449/0x710 [ 6077.988838][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.988838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.988838][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.988838][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.988838][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.988838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.988838][ T73] [ 6077.990821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.990821][ T73] netdev_get_by_index+0x5e/0x80 [ 6077.990821][ T73] fib6_nh_init+0x3d8/0x1580 [ 6077.990821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6077.990821][ T73] ip6_route_add+0x1c/0x140 [ 6077.990821][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6077.990821][ T73] addrconf_add_dev+0xe2/0x170 [ 6077.990821][ T73] inet6_addr_add+0x12f/0xa40 [ 6077.990821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.990821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.990821][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.990821][ T73] netlink_unicast+0x449/0x710 [ 6077.990821][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.990821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.990821][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.990821][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.990821][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.990821][ T73] [ 6077.992779][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.992779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6077.992779][ T73] ipv6_find_idev+0x102/0x170 [ 6077.992779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6077.992779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.992779][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.992779][ T73] netlink_unicast+0x449/0x710 [ 6077.992779][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.992779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.992779][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.992779][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.992779][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.992779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.992779][ T73] [ 6077.994309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6077.994309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6077.994309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6077.994309][ T73] ipv6_find_idev+0x102/0x170 [ 6077.994309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6077.994309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.994309][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.994309][ T73] netlink_unicast+0x449/0x710 [ 6077.994309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.994309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.994309][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.994309][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.994309][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.994309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.994309][ T73] [ 6077.995995][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6077.996267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6077.996267][ T73] dst_init+0x84/0x4a0 [ 6077.996267][ T73] dst_alloc+0x97/0x150 [ 6077.996267][ T73] ip6_dst_alloc+0x23/0x90 [ 6077.996267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6077.996267][ T73] ip6_pol_route+0x56f/0x840 [ 6077.996267][ T73] fib6_rule_lookup+0x456/0x630 [ 6077.996267][ T73] ip6_route_input+0x59c/0xa50 [ 6077.996267][ T73] ipv6_rcv+0x397/0x810 [ 6077.996267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6077.996267][ T73] process_backlog+0x101/0x620 [ 6077.996267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6077.996267][ T73] net_rx_action+0x495/0xbe0 [ 6077.996267][ T73] __do_softirq+0x1b5/0x7f6 [ 6077.996267][ T73] [ 6077.997916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6077.997916][ T73] netdev_get_by_index+0x5e/0x80 [ 6077.997916][ T73] fib6_nh_init+0x3d8/0x1580 [ 6077.997916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6077.997916][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6077.997916][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6077.997916][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6077.997916][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6077.997916][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6077.997916][ T73] addrconf_dad_begin+0x310/0x670 [ 6077.997916][ T73] addrconf_dad_work+0x10b/0xab0 [ 6077.997916][ T73] process_one_work+0x84d/0x18a0 [ 6077.997916][ T73] worker_thread+0x587/0xd30 [ 6077.997916][ T73] kthread+0x28a/0x350 [ 6077.997916][ T73] ret_from_fork+0x31/0x70 [ 6077.997916][ T73] ret_from_fork_asm+0x1a/0x30 [ 6077.997916][ T73] [ 6077.999813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6077.999813][ T73] netdev_get_by_index+0x5e/0x80 [ 6077.999813][ T73] fib6_nh_init+0x3d8/0x1580 [ 6077.999813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6077.999813][ T73] ip6_route_add+0x1c/0x140 [ 6077.999813][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6077.999813][ T73] inet6_addr_add+0x4f8/0xa40 [ 6077.999813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.999813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.999813][ T73] netlink_rcv_skb+0x130/0x360 [ 6077.999813][ T73] netlink_unicast+0x449/0x710 [ 6077.999813][ T73] netlink_sendmsg+0x723/0xbe0 [ 6077.999813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6077.999813][ T73] ___sys_sendmsg+0xee/0x170 [ 6077.999813][ T73] __sys_sendmsg+0xcd/0x170 [ 6077.999813][ T73] do_syscall_64+0xc6/0x1e0 [ 6077.999813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.999813][ T73] [ 6078.001818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6078.001818][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.001818][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.001818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.001818][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6078.001818][ T73] ipv6_add_addr+0x411/0x2000 [ 6078.001818][ T73] inet6_addr_add+0x30e/0xa40 [ 6078.001818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.001818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.001818][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.001818][ T73] netlink_unicast+0x449/0x710 [ 6078.001818][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.001818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.001818][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.001818][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.001818][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.001818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.001818][ T73] [ 6078.003822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6078.003822][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.003822][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.003822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.003822][ T73] ip6_route_add+0x1c/0x140 [ 6078.003822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6078.003822][ T73] addrconf_add_dev+0xe2/0x170 [ 6078.003822][ T73] inet6_addr_add+0x12f/0xa40 [ 6078.003822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.003822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.003822][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.003822][ T73] netlink_unicast+0x449/0x710 [ 6078.003822][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.003822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.003822][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.003822][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.003822][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.003822][ T73] [ 6078.005771][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6078.005771][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6078.005771][ T73] ipv6_find_idev+0x102/0x170 [ 6078.005771][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6078.005771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.005771][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.005771][ T73] netlink_unicast+0x449/0x710 [ 6078.005771][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.005771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.005771][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.005771][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.005771][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.005771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.005771][ T73] [ 6078.007304][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6078.007304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6078.007304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6078.007304][ T73] ipv6_find_idev+0x102/0x170 [ 6078.007304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6078.007304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.007304][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.007304][ T73] netlink_unicast+0x449/0x710 [ 6078.007304][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.007304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.007304][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.007304][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.007304][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.007304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.007304][ T73] [ 6078.009037][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6078.009373][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.009373][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6078.009373][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6078.009373][ T73] fib6_nh_init+0xa22/0x1580 [ 6078.009373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.009373][ T73] ip6_route_add+0x1c/0x140 [ 6078.009373][ T73] inet6_rtm_newroute+0x104/0x110 [ 6078.009373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.009373][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.009373][ T73] netlink_unicast+0x449/0x710 [ 6078.009373][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.009373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.009373][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.009373][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.009373][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.009373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.009373][ T73] [ 6078.011362][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.011362][ T73] dst_init+0x84/0x4a0 [ 6078.011362][ T73] dst_alloc+0x97/0x150 [ 6078.011362][ T73] ip6_dst_alloc+0x23/0x90 [ 6078.011362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6078.011362][ T73] ip6_pol_route+0x56f/0x840 [ 6078.011362][ T73] fib6_rule_lookup+0x456/0x630 [ 6078.011362][ T73] ip6_route_input+0x59c/0xa50 [ 6078.011362][ T73] ipv6_rcv+0x397/0x810 [ 6078.011362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6078.011362][ T73] process_backlog+0x101/0x620 [ 6078.011362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6078.011362][ T73] net_rx_action+0x495/0xbe0 [ 6078.011362][ T73] __do_softirq+0x1b5/0x7f6 [ 6078.011362][ T73] [ 6078.013237][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.013237][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.013237][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.013237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.013237][ T73] ip6_route_add+0x1c/0x140 [ 6078.013237][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6078.013237][ T73] inet6_addr_add+0x4f8/0xa40 [ 6078.013237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.013237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.013237][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.013237][ T73] netlink_unicast+0x449/0x710 [ 6078.013237][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.013237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.013237][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.013237][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.013237][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.013237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.013237][ T73] [ 6078.015466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.015466][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.015466][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.015466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.015466][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6078.015466][ T73] ipv6_add_addr+0x411/0x2000 [ 6078.015466][ T73] inet6_addr_add+0x30e/0xa40 [ 6078.015466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.015466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.015466][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.015466][ T73] netlink_unicast+0x449/0x710 [ 6078.015466][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.015466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.015466][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.015466][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.015466][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.015466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.015466][ T73] [ 6078.017653][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.017653][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.017653][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.017653][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.017653][ T73] ip6_route_add+0x1c/0x140 [ 6078.017653][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6078.017653][ T73] addrconf_add_dev+0xe2/0x170 [ 6078.017653][ T73] inet6_addr_add+0x12f/0xa40 [ 6078.017653][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.017653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.017653][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.017653][ T73] netlink_unicast+0x449/0x710 [ 6078.017653][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.017653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.017653][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.017653][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.017653][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.017653][ T73] [ 6078.019844][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.019844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6078.019844][ T73] ipv6_find_idev+0x102/0x170 [ 6078.019844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6078.019844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.019844][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.019844][ T73] netlink_unicast+0x449/0x710 [ 6078.019844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.019844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.019844][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.019844][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.019844][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.019844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.019844][ T73] [ 6078.021614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6078.021614][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6078.021614][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6078.021614][ T73] ipv6_find_idev+0x102/0x170 [ 6078.021614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6078.021614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.021614][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.021614][ T73] netlink_unicast+0x449/0x710 [ 6078.021614][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.021614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.021614][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.021614][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.021614][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.021614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.021614][ T73] [ 6078.023483][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6078.023753][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6078.023753][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.023753][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.023753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.023753][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6078.023753][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6078.023753][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6078.023753][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6078.023753][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6078.023753][ T73] addrconf_dad_begin+0x310/0x670 [ 6078.023753][ T73] addrconf_dad_work+0x10b/0xab0 [ 6078.023753][ T73] process_one_work+0x84d/0x18a0 [ 6078.023753][ T73] worker_thread+0x587/0xd30 [ 6078.023753][ T73] kthread+0x28a/0x350 [ 6078.023753][ T73] ret_from_fork+0x31/0x70 [ 6078.023753][ T73] ret_from_fork_asm+0x1a/0x30 [ 6078.023753][ T73] [ 6078.025901][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6078.025901][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.025901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.025901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.025901][ T73] ip6_route_add+0x1c/0x140 [ 6078.025901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6078.025901][ T73] inet6_addr_add+0x4f8/0xa40 [ 6078.025901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.025901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.025901][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.025901][ T73] netlink_unicast+0x449/0x710 [ 6078.025901][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.025901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.025901][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.025901][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.025901][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.025901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.025901][ T73] [ 6078.028125][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6078.028125][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.028125][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.028125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.028125][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6078.028125][ T73] ipv6_add_addr+0x411/0x2000 [ 6078.028125][ T73] inet6_addr_add+0x30e/0xa40 [ 6078.028125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.028125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.028125][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.028125][ T73] netlink_unicast+0x449/0x710 [ 6078.028125][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.028125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.028125][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.028125][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.028125][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.028125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.028125][ T73] [ 6078.030356][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6078.030356][ T73] netdev_get_by_index+0x5e/0x80 [ 6078.030356][ T73] fib6_nh_init+0x3d8/0x1580 [ 6078.030356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6078.030356][ T73] ip6_route_add+0x1c/0x140 [ 6078.030356][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6078.030356][ T73] addrconf_add_dev+0xe2/0x170 [ 6078.030356][ T73] inet6_addr_add+0x12f/0xa40 [ 6078.030356][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6078.030356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.030356][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.030356][ T73] netlink_unicast+0x449/0x710 [ 6078.030356][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.030356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.030356][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.030356][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.030356][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.030356][ T73] [ 6078.032610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6078.032610][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6078.032610][ T73] ipv6_find_idev+0x102/0x170 [ 6078.032610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6078.032610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.032610][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.032610][ T73] netlink_unicast+0x449/0x710 [ 6078.032610][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.032610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.032610][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.032610][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.032610][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.032610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.032610][ T73] [ 6078.034264][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6078.034264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6078.034264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6078.034264][ T73] ipv6_find_idev+0x102/0x170 [ 6078.034264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6078.034264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6078.034264][ T73] netlink_rcv_skb+0x130/0x360 [ 6078.034264][ T73] netlink_unicast+0x449/0x710 [ 6078.034264][ T73] netlink_sendmsg+0x723/0xbe0 [ 6078.034264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6078.034264][ T73] ___sys_sendmsg+0xee/0x170 [ 6078.034264][ T73] __sys_sendmsg+0xcd/0x170 [ 6078.034264][ T73] do_syscall_64+0xc6/0x1e0 [ 6078.034264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6078.034264][ T73] [ 6088.278919][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6088.279385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.279385][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6088.279385][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6088.279385][ T73] fib6_nh_init+0xa22/0x1580 [ 6088.279385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.279385][ T73] ip6_route_add+0x1c/0x140 [ 6088.279385][ T73] inet6_rtm_newroute+0x104/0x110 [ 6088.279385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.279385][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.279385][ T73] netlink_unicast+0x449/0x710 [ 6088.279385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.279385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.279385][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.279385][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.279385][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.279385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.279385][ T73] [ 6088.281271][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.281271][ T73] dst_init+0x84/0x4a0 [ 6088.281271][ T73] dst_alloc+0x97/0x150 [ 6088.281271][ T73] ip6_dst_alloc+0x23/0x90 [ 6088.281271][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6088.281271][ T73] ip6_pol_route+0x56f/0x840 [ 6088.281271][ T73] fib6_rule_lookup+0x456/0x630 [ 6088.281271][ T73] ip6_route_input+0x59c/0xa50 [ 6088.281271][ T73] ipv6_rcv+0x397/0x810 [ 6088.281271][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6088.281271][ T73] process_backlog+0x101/0x620 [ 6088.281271][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6088.281271][ T73] net_rx_action+0x495/0xbe0 [ 6088.281271][ T73] __do_softirq+0x1b5/0x7f6 [ 6088.281271][ T73] [ 6088.282913][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.282913][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.282913][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.282913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.282913][ T73] ip6_route_add+0x1c/0x140 [ 6088.282913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6088.282913][ T73] inet6_addr_add+0x4f8/0xa40 [ 6088.282913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.282913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.282913][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.282913][ T73] netlink_unicast+0x449/0x710 [ 6088.282913][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.282913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.282913][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.282913][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.282913][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.282913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.282913][ T73] [ 6088.284897][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.284897][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.284897][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.284897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.284897][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6088.284897][ T73] ipv6_add_addr+0x411/0x2000 [ 6088.284897][ T73] inet6_addr_add+0x30e/0xa40 [ 6088.284897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.284897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.284897][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.284897][ T73] netlink_unicast+0x449/0x710 [ 6088.284897][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.284897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.284897][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.284897][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.284897][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.284897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.284897][ T73] [ 6088.286889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.286889][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.286889][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.286889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.286889][ T73] ip6_route_add+0x1c/0x140 [ 6088.286889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6088.286889][ T73] addrconf_add_dev+0xe2/0x170 [ 6088.286889][ T73] inet6_addr_add+0x12f/0xa40 [ 6088.286889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.286889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.286889][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.286889][ T73] netlink_unicast+0x449/0x710 [ 6088.286889][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.286889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.286889][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.286889][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.286889][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.286889][ T73] [ 6088.288840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.288840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6088.288840][ T73] ipv6_find_idev+0x102/0x170 [ 6088.288840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.288840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.288840][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.288840][ T73] netlink_unicast+0x449/0x710 [ 6088.288840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.288840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.288840][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.288840][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.288840][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.288840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.288840][ T73] [ 6088.290365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6088.290365][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6088.290365][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6088.290365][ T73] ipv6_find_idev+0x102/0x170 [ 6088.290365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.290365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.290365][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.290365][ T73] netlink_unicast+0x449/0x710 [ 6088.290365][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.290365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.290365][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.290365][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.290365][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.290365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.290365][ T73] [ 6088.292052][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6088.292326][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.292326][ T73] dst_init+0x84/0x4a0 [ 6088.292326][ T73] dst_alloc+0x97/0x150 [ 6088.292326][ T73] ip6_dst_alloc+0x23/0x90 [ 6088.292326][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6088.292326][ T73] ip6_pol_route+0x56f/0x840 [ 6088.292326][ T73] fib6_rule_lookup+0x456/0x630 [ 6088.292326][ T73] ip6_route_input+0x59c/0xa50 [ 6088.292326][ T73] ipv6_rcv+0x397/0x810 [ 6088.292326][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6088.292326][ T73] process_backlog+0x101/0x620 [ 6088.292326][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6088.292326][ T73] net_rx_action+0x495/0xbe0 [ 6088.292326][ T73] __do_softirq+0x1b5/0x7f6 [ 6088.292326][ T73] [ 6088.293952][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.293952][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.293952][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.293952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.293952][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6088.293952][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6088.293952][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6088.293952][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6088.293952][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6088.293952][ T73] addrconf_dad_begin+0x310/0x670 [ 6088.293952][ T73] addrconf_dad_work+0x10b/0xab0 [ 6088.293952][ T73] process_one_work+0x84d/0x18a0 [ 6088.293952][ T73] worker_thread+0x587/0xd30 [ 6088.293952][ T73] kthread+0x28a/0x350 [ 6088.293952][ T73] ret_from_fork+0x31/0x70 [ 6088.293952][ T73] ret_from_fork_asm+0x1a/0x30 [ 6088.293952][ T73] [ 6088.295842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.295842][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.295842][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.295842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.295842][ T73] ip6_route_add+0x1c/0x140 [ 6088.295842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6088.295842][ T73] inet6_addr_add+0x4f8/0xa40 [ 6088.295842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.295842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.295842][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.295842][ T73] netlink_unicast+0x449/0x710 [ 6088.295842][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.295842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.295842][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.295842][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.295842][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.295842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.295842][ T73] [ 6088.297824][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.297824][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.297824][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.297824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.297824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6088.297824][ T73] ipv6_add_addr+0x411/0x2000 [ 6088.297824][ T73] inet6_addr_add+0x30e/0xa40 [ 6088.297824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.297824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.297824][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.297824][ T73] netlink_unicast+0x449/0x710 [ 6088.297824][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.297824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.297824][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.297824][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.297824][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.297824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.297824][ T73] [ 6088.299802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.299802][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.299802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.299802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.299802][ T73] ip6_route_add+0x1c/0x140 [ 6088.299802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6088.299802][ T73] addrconf_add_dev+0xe2/0x170 [ 6088.299802][ T73] inet6_addr_add+0x12f/0xa40 [ 6088.299802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.299802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.299802][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.299802][ T73] netlink_unicast+0x449/0x710 [ 6088.299802][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.299802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.299802][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.299802][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.299802][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.299802][ T73] [ 6088.301745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.301745][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6088.301745][ T73] ipv6_find_idev+0x102/0x170 [ 6088.301745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.301745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.301745][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.301745][ T73] netlink_unicast+0x449/0x710 [ 6088.301745][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.301745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.301745][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.301745][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.301745][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.301745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.301745][ T73] [ 6088.303278][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6088.303278][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6088.303278][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6088.303278][ T73] ipv6_find_idev+0x102/0x170 [ 6088.303278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.303278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.303278][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.303278][ T73] netlink_unicast+0x449/0x710 [ 6088.303278][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.303278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.303278][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.303278][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.303278][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.303278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.303278][ T73] [ 6088.305016][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6088.305341][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.305341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6088.305341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6088.305341][ T73] fib6_nh_init+0xa22/0x1580 [ 6088.305341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.305341][ T73] ip6_route_add+0x1c/0x140 [ 6088.305341][ T73] inet6_rtm_newroute+0x104/0x110 [ 6088.305341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.305341][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.305341][ T73] netlink_unicast+0x449/0x710 [ 6088.305341][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.305341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.305341][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.305341][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.305341][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.305341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.305341][ T73] [ 6088.307706][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.307706][ T73] dst_init+0x84/0x4a0 [ 6088.307706][ T73] dst_alloc+0x97/0x150 [ 6088.307706][ T73] ip6_dst_alloc+0x23/0x90 [ 6088.307706][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6088.307706][ T73] ip6_pol_route+0x56f/0x840 [ 6088.307706][ T73] fib6_rule_lookup+0x456/0x630 [ 6088.307706][ T73] ip6_route_input+0x59c/0xa50 [ 6088.307706][ T73] ipv6_rcv+0x397/0x810 [ 6088.307706][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6088.307706][ T73] process_backlog+0x101/0x620 [ 6088.307706][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6088.307706][ T73] net_rx_action+0x495/0xbe0 [ 6088.307706][ T73] __do_softirq+0x1b5/0x7f6 [ 6088.307706][ T73] [ 6088.309510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.309510][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.309510][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.309510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.309510][ T73] ip6_route_add+0x1c/0x140 [ 6088.309510][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6088.309510][ T73] inet6_addr_add+0x4f8/0xa40 [ 6088.309510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.309510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.309510][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.309510][ T73] netlink_unicast+0x449/0x710 [ 6088.309510][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.309510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.309510][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.309510][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.309510][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.309510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.309510][ T73] [ 6088.311738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.311738][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.311738][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.311738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.311738][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6088.311738][ T73] ipv6_add_addr+0x411/0x2000 [ 6088.311738][ T73] inet6_addr_add+0x30e/0xa40 [ 6088.311738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.311738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.311738][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.311738][ T73] netlink_unicast+0x449/0x710 [ 6088.311738][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.311738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.311738][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.311738][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.311738][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.311738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.311738][ T73] [ 6088.313971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.313971][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.313971][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.313971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.313971][ T73] ip6_route_add+0x1c/0x140 [ 6088.313971][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6088.313971][ T73] addrconf_add_dev+0xe2/0x170 [ 6088.313971][ T73] inet6_addr_add+0x12f/0xa40 [ 6088.313971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.313971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.313971][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.313971][ T73] netlink_unicast+0x449/0x710 [ 6088.313971][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.313971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.313971][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.313971][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.313971][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.313971][ T73] [ 6088.316599][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.316599][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6088.316599][ T73] ipv6_find_idev+0x102/0x170 [ 6088.316599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.316599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.316599][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.316599][ T73] netlink_unicast+0x449/0x710 [ 6088.316599][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.316599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.316599][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.316599][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.316599][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.316599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.316599][ T73] [ 6088.318312][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6088.318312][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6088.318312][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6088.318312][ T73] ipv6_find_idev+0x102/0x170 [ 6088.318312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.318312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.318312][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.318312][ T73] netlink_unicast+0x449/0x710 [ 6088.318312][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.318312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.318312][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.318312][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.318312][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.318312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.318312][ T73] [ 6088.320165][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6088.320435][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6088.320435][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.320435][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.320435][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.320435][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6088.320435][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6088.320435][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6088.320435][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6088.320435][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6088.320435][ T73] addrconf_dad_begin+0x310/0x670 [ 6088.320435][ T73] addrconf_dad_work+0x10b/0xab0 [ 6088.320435][ T73] process_one_work+0x84d/0x18a0 [ 6088.320435][ T73] worker_thread+0x587/0xd30 [ 6088.320435][ T73] kthread+0x28a/0x350 [ 6088.320435][ T73] ret_from_fork+0x31/0x70 [ 6088.320435][ T73] ret_from_fork_asm+0x1a/0x30 [ 6088.320435][ T73] [ 6088.322579][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6088.322579][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.322579][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.322579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.322579][ T73] ip6_route_add+0x1c/0x140 [ 6088.322579][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6088.322579][ T73] inet6_addr_add+0x4f8/0xa40 [ 6088.322579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.322579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.322579][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.322579][ T73] netlink_unicast+0x449/0x710 [ 6088.322579][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.322579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.322579][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.322579][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.322579][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.322579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.322579][ T73] [ 6088.324806][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6088.324806][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.324806][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.324806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.324806][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6088.324806][ T73] ipv6_add_addr+0x411/0x2000 [ 6088.324806][ T73] inet6_addr_add+0x30e/0xa40 [ 6088.324806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.324806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.324806][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.324806][ T73] netlink_unicast+0x449/0x710 [ 6088.324806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.324806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.324806][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.324806][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.324806][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.324806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.324806][ T73] [ 6088.327087][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6088.327087][ T73] netdev_get_by_index+0x5e/0x80 [ 6088.327087][ T73] fib6_nh_init+0x3d8/0x1580 [ 6088.327087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6088.327087][ T73] ip6_route_add+0x1c/0x140 [ 6088.327087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6088.327087][ T73] addrconf_add_dev+0xe2/0x170 [ 6088.327087][ T73] inet6_addr_add+0x12f/0xa40 [ 6088.327087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6088.327087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.327087][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.327087][ T73] netlink_unicast+0x449/0x710 [ 6088.327087][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.327087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.327087][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.327087][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.327087][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.327087][ T73] [ 6088.329278][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6088.329278][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6088.329278][ T73] ipv6_find_idev+0x102/0x170 [ 6088.329278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.329278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.329278][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.329278][ T73] netlink_unicast+0x449/0x710 [ 6088.329278][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.329278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.329278][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.329278][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.329278][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.329278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.329278][ T73] [ 6088.330924][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6088.330924][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6088.330924][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6088.330924][ T73] ipv6_find_idev+0x102/0x170 [ 6088.330924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6088.330924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6088.330924][ T73] netlink_rcv_skb+0x130/0x360 [ 6088.330924][ T73] netlink_unicast+0x449/0x710 [ 6088.330924][ T73] netlink_sendmsg+0x723/0xbe0 [ 6088.330924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6088.330924][ T73] ___sys_sendmsg+0xee/0x170 [ 6088.330924][ T73] __sys_sendmsg+0xcd/0x170 [ 6088.330924][ T73] do_syscall_64+0xc6/0x1e0 [ 6088.330924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6088.330924][ T73] [ 6098.574904][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6098.575353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.575353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6098.575353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6098.575353][ T73] fib6_nh_init+0xa22/0x1580 [ 6098.575353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.575353][ T73] ip6_route_add+0x1c/0x140 [ 6098.575353][ T73] inet6_rtm_newroute+0x104/0x110 [ 6098.575353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.575353][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.575353][ T73] netlink_unicast+0x449/0x710 [ 6098.575353][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.575353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.575353][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.575353][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.575353][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.575353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.575353][ T73] [ 6098.577245][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.577245][ T73] dst_init+0x84/0x4a0 [ 6098.577245][ T73] dst_alloc+0x97/0x150 [ 6098.577245][ T73] ip6_dst_alloc+0x23/0x90 [ 6098.577245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6098.577245][ T73] ip6_pol_route+0x56f/0x840 [ 6098.577245][ T73] fib6_rule_lookup+0x456/0x630 [ 6098.577245][ T73] ip6_route_input+0x59c/0xa50 [ 6098.577245][ T73] ipv6_rcv+0x397/0x810 [ 6098.577245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6098.577245][ T73] process_backlog+0x101/0x620 [ 6098.577245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6098.577245][ T73] net_rx_action+0x495/0xbe0 [ 6098.577245][ T73] __do_softirq+0x1b5/0x7f6 [ 6098.577245][ T73] [ 6098.578888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.578888][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.578888][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.578888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.578888][ T73] ip6_route_add+0x1c/0x140 [ 6098.578888][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6098.578888][ T73] inet6_addr_add+0x4f8/0xa40 [ 6098.578888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.578888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.578888][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.578888][ T73] netlink_unicast+0x449/0x710 [ 6098.578888][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.578888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.578888][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.578888][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.578888][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.578888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.578888][ T73] [ 6098.580882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.580882][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.580882][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.580882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.580882][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6098.580882][ T73] ipv6_add_addr+0x411/0x2000 [ 6098.580882][ T73] inet6_addr_add+0x30e/0xa40 [ 6098.580882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.580882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.580882][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.580882][ T73] netlink_unicast+0x449/0x710 [ 6098.580882][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.580882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.580882][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.580882][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.580882][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.580882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.580882][ T73] [ 6098.582904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.582904][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.582904][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.582904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.582904][ T73] ip6_route_add+0x1c/0x140 [ 6098.582904][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6098.582904][ T73] addrconf_add_dev+0xe2/0x170 [ 6098.582904][ T73] inet6_addr_add+0x12f/0xa40 [ 6098.582904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.582904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.582904][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.582904][ T73] netlink_unicast+0x449/0x710 [ 6098.582904][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.582904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.582904][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.582904][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.582904][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.582904][ T73] [ 6098.584862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.584862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6098.584862][ T73] ipv6_find_idev+0x102/0x170 [ 6098.584862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.584862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.584862][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.584862][ T73] netlink_unicast+0x449/0x710 [ 6098.584862][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.584862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.584862][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.584862][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.584862][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.584862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.584862][ T73] [ 6098.586397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6098.586397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6098.586397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6098.586397][ T73] ipv6_find_idev+0x102/0x170 [ 6098.586397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.586397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.586397][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.586397][ T73] netlink_unicast+0x449/0x710 [ 6098.586397][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.586397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.586397][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.586397][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.586397][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.586397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.586397][ T73] [ 6098.588096][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6098.588370][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.588370][ T73] dst_init+0x84/0x4a0 [ 6098.588370][ T73] dst_alloc+0x97/0x150 [ 6098.588370][ T73] ip6_dst_alloc+0x23/0x90 [ 6098.588370][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6098.588370][ T73] ip6_pol_route+0x56f/0x840 [ 6098.588370][ T73] fib6_rule_lookup+0x456/0x630 [ 6098.588370][ T73] ip6_route_input+0x59c/0xa50 [ 6098.588370][ T73] ipv6_rcv+0x397/0x810 [ 6098.588370][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6098.588370][ T73] process_backlog+0x101/0x620 [ 6098.588370][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6098.588370][ T73] net_rx_action+0x495/0xbe0 [ 6098.588370][ T73] __do_softirq+0x1b5/0x7f6 [ 6098.588370][ T73] [ 6098.590014][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.590014][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.590014][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.590014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.590014][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6098.590014][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6098.590014][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6098.590014][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6098.590014][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6098.590014][ T73] addrconf_dad_begin+0x310/0x670 [ 6098.590014][ T73] addrconf_dad_work+0x10b/0xab0 [ 6098.590014][ T73] process_one_work+0x84d/0x18a0 [ 6098.590014][ T73] worker_thread+0x587/0xd30 [ 6098.590014][ T73] kthread+0x28a/0x350 [ 6098.590014][ T73] ret_from_fork+0x31/0x70 [ 6098.590014][ T73] ret_from_fork_asm+0x1a/0x30 [ 6098.590014][ T73] [ 6098.591922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.591922][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.591922][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.591922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.591922][ T73] ip6_route_add+0x1c/0x140 [ 6098.591922][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6098.591922][ T73] inet6_addr_add+0x4f8/0xa40 [ 6098.591922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.591922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.591922][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.591922][ T73] netlink_unicast+0x449/0x710 [ 6098.591922][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.591922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.591922][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.591922][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.591922][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.591922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.591922][ T73] [ 6098.593936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.593936][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.593936][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.593936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.593936][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6098.593936][ T73] ipv6_add_addr+0x411/0x2000 [ 6098.593936][ T73] inet6_addr_add+0x30e/0xa40 [ 6098.593936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.593936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.593936][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.593936][ T73] netlink_unicast+0x449/0x710 [ 6098.593936][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.593936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.593936][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.593936][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.593936][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.593936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.593936][ T73] [ 6098.595931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.595931][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.595931][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.595931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.595931][ T73] ip6_route_add+0x1c/0x140 [ 6098.595931][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6098.595931][ T73] addrconf_add_dev+0xe2/0x170 [ 6098.595931][ T73] inet6_addr_add+0x12f/0xa40 [ 6098.595931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.595931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.595931][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.595931][ T73] netlink_unicast+0x449/0x710 [ 6098.595931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.595931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.595931][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.595931][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.595931][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.595931][ T73] [ 6098.597891][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.597891][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6098.597891][ T73] ipv6_find_idev+0x102/0x170 [ 6098.597891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.597891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.597891][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.597891][ T73] netlink_unicast+0x449/0x710 [ 6098.597891][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.597891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.597891][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.597891][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.597891][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.597891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.597891][ T73] [ 6098.599425][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6098.599425][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6098.599425][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6098.599425][ T73] ipv6_find_idev+0x102/0x170 [ 6098.599425][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.599425][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.599425][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.599425][ T73] netlink_unicast+0x449/0x710 [ 6098.599425][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.599425][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.599425][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.599425][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.599425][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.599425][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.599425][ T73] [ 6098.601186][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6098.601458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.601458][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6098.601458][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6098.601458][ T73] fib6_nh_init+0xa22/0x1580 [ 6098.601458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.601458][ T73] ip6_route_add+0x1c/0x140 [ 6098.601458][ T73] inet6_rtm_newroute+0x104/0x110 [ 6098.601458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.601458][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.601458][ T73] netlink_unicast+0x449/0x710 [ 6098.601458][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.601458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.601458][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.601458][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.601458][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.601458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.601458][ T73] [ 6098.603534][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.603534][ T73] dst_init+0x84/0x4a0 [ 6098.603534][ T73] dst_alloc+0x97/0x150 [ 6098.603534][ T73] ip6_dst_alloc+0x23/0x90 [ 6098.603534][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6098.603534][ T73] ip6_pol_route+0x56f/0x840 [ 6098.603534][ T73] fib6_rule_lookup+0x456/0x630 [ 6098.603534][ T73] ip6_route_input+0x59c/0xa50 [ 6098.603534][ T73] ipv6_rcv+0x397/0x810 [ 6098.603534][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6098.603534][ T73] process_backlog+0x101/0x620 [ 6098.603534][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6098.603534][ T73] net_rx_action+0x495/0xbe0 [ 6098.603534][ T73] __do_softirq+0x1b5/0x7f6 [ 6098.603534][ T73] [ 6098.605227][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.605227][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.605227][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.605227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.605227][ T73] ip6_route_add+0x1c/0x140 [ 6098.605227][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6098.605227][ T73] inet6_addr_add+0x4f8/0xa40 [ 6098.605227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.605227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.605227][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.605227][ T73] netlink_unicast+0x449/0x710 [ 6098.605227][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.605227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.605227][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.605227][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.605227][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.605227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.605227][ T73] [ 6098.607343][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.607343][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.607343][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.607343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.607343][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6098.607343][ T73] ipv6_add_addr+0x411/0x2000 [ 6098.607343][ T73] inet6_addr_add+0x30e/0xa40 [ 6098.607343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.607343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.607343][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.607343][ T73] netlink_unicast+0x449/0x710 [ 6098.607343][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.607343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.607343][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.607343][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.607343][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.607343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.607343][ T73] [ 6098.609461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.609461][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.609461][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.609461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.609461][ T73] ip6_route_add+0x1c/0x140 [ 6098.609461][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6098.609461][ T73] addrconf_add_dev+0xe2/0x170 [ 6098.609461][ T73] inet6_addr_add+0x12f/0xa40 [ 6098.609461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.609461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.609461][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.609461][ T73] netlink_unicast+0x449/0x710 [ 6098.609461][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.609461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.609461][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.609461][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.609461][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.609461][ T73] [ 6098.611551][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.611551][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6098.611551][ T73] ipv6_find_idev+0x102/0x170 [ 6098.611551][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.611551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.611551][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.611551][ T73] netlink_unicast+0x449/0x710 [ 6098.611551][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.611551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.611551][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.611551][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.611551][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.611551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.611551][ T73] [ 6098.613155][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6098.613155][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6098.613155][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6098.613155][ T73] ipv6_find_idev+0x102/0x170 [ 6098.613155][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.613155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.613155][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.613155][ T73] netlink_unicast+0x449/0x710 [ 6098.613155][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.613155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.613155][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.613155][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.613155][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.613155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.613155][ T73] [ 6098.614967][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6098.615238][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6098.615238][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.615238][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.615238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.615238][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6098.615238][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6098.615238][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6098.615238][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6098.615238][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6098.615238][ T73] addrconf_dad_begin+0x310/0x670 [ 6098.615238][ T73] addrconf_dad_work+0x10b/0xab0 [ 6098.615238][ T73] process_one_work+0x84d/0x18a0 [ 6098.615238][ T73] worker_thread+0x587/0xd30 [ 6098.615238][ T73] kthread+0x28a/0x350 [ 6098.615238][ T73] ret_from_fork+0x31/0x70 [ 6098.615238][ T73] ret_from_fork_asm+0x1a/0x30 [ 6098.615238][ T73] [ 6098.617274][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6098.617274][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.617274][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.617274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.617274][ T73] ip6_route_add+0x1c/0x140 [ 6098.617274][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6098.617274][ T73] inet6_addr_add+0x4f8/0xa40 [ 6098.617274][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.617274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.617274][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.617274][ T73] netlink_unicast+0x449/0x710 [ 6098.617274][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.617274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.617274][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.617274][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.617274][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.617274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.617274][ T73] [ 6098.619403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6098.619403][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.619403][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.619403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.619403][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6098.619403][ T73] ipv6_add_addr+0x411/0x2000 [ 6098.619403][ T73] inet6_addr_add+0x30e/0xa40 [ 6098.619403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.619403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.619403][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.619403][ T73] netlink_unicast+0x449/0x710 [ 6098.619403][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.619403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.619403][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.619403][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.619403][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.619403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.619403][ T73] [ 6098.621527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6098.621527][ T73] netdev_get_by_index+0x5e/0x80 [ 6098.621527][ T73] fib6_nh_init+0x3d8/0x1580 [ 6098.621527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6098.621527][ T73] ip6_route_add+0x1c/0x140 [ 6098.621527][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6098.621527][ T73] addrconf_add_dev+0xe2/0x170 [ 6098.621527][ T73] inet6_addr_add+0x12f/0xa40 [ 6098.621527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.621527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.621527][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.621527][ T73] netlink_unicast+0x449/0x710 [ 6098.621527][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.621527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.621527][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.621527][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.621527][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.621527][ T73] [ 6098.623608][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6098.623608][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6098.623608][ T73] ipv6_find_idev+0x102/0x170 [ 6098.623608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.623608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.623608][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.623608][ T73] netlink_unicast+0x449/0x710 [ 6098.623608][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.623608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.623608][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.623608][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.623608][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.623608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.623608][ T73] [ 6098.625728][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6098.625728][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6098.625728][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6098.625728][ T73] ipv6_find_idev+0x102/0x170 [ 6098.625728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.625728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.625728][ T73] netlink_rcv_skb+0x130/0x360 [ 6098.625728][ T73] netlink_unicast+0x449/0x710 [ 6098.625728][ T73] netlink_sendmsg+0x723/0xbe0 [ 6098.625728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6098.625728][ T73] ___sys_sendmsg+0xee/0x170 [ 6098.625728][ T73] __sys_sendmsg+0xcd/0x170 [ 6098.625728][ T73] do_syscall_64+0xc6/0x1e0 [ 6098.625728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.625728][ T73] [ 6108.782847][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6108.783319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.783319][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6108.783319][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6108.783319][ T73] fib6_nh_init+0xa22/0x1580 [ 6108.783319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.783319][ T73] ip6_route_add+0x1c/0x140 [ 6108.783319][ T73] inet6_rtm_newroute+0x104/0x110 [ 6108.783319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.783319][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.783319][ T73] netlink_unicast+0x449/0x710 [ 6108.783319][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.783319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.783319][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.783319][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.783319][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.783319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.783319][ T73] [ 6108.785194][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.785194][ T73] dst_init+0x84/0x4a0 [ 6108.785194][ T73] dst_alloc+0x97/0x150 [ 6108.785194][ T73] ip6_dst_alloc+0x23/0x90 [ 6108.785194][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6108.785194][ T73] ip6_pol_route+0x56f/0x840 [ 6108.785194][ T73] fib6_rule_lookup+0x456/0x630 [ 6108.785194][ T73] ip6_route_input+0x59c/0xa50 [ 6108.785194][ T73] ipv6_rcv+0x397/0x810 [ 6108.785194][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6108.785194][ T73] process_backlog+0x101/0x620 [ 6108.785194][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6108.785194][ T73] net_rx_action+0x495/0xbe0 [ 6108.785194][ T73] __do_softirq+0x1b5/0x7f6 [ 6108.785194][ T73] [ 6108.786828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.786828][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.786828][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.786828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.786828][ T73] ip6_route_add+0x1c/0x140 [ 6108.786828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6108.786828][ T73] inet6_addr_add+0x4f8/0xa40 [ 6108.786828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.786828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.786828][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.786828][ T73] netlink_unicast+0x449/0x710 [ 6108.786828][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.786828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.786828][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.786828][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.786828][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.786828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.786828][ T73] [ 6108.788819][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.788819][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.788819][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.788819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.788819][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6108.788819][ T73] ipv6_add_addr+0x411/0x2000 [ 6108.788819][ T73] inet6_addr_add+0x30e/0xa40 [ 6108.788819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.788819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.788819][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.788819][ T73] netlink_unicast+0x449/0x710 [ 6108.788819][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.788819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.788819][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.788819][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.788819][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.788819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.788819][ T73] [ 6108.790806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.790806][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.790806][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.790806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.790806][ T73] ip6_route_add+0x1c/0x140 [ 6108.790806][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6108.790806][ T73] addrconf_add_dev+0xe2/0x170 [ 6108.790806][ T73] inet6_addr_add+0x12f/0xa40 [ 6108.790806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.790806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.790806][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.790806][ T73] netlink_unicast+0x449/0x710 [ 6108.790806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.790806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.790806][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.790806][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.790806][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.790806][ T73] [ 6108.792770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.792770][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6108.792770][ T73] ipv6_find_idev+0x102/0x170 [ 6108.792770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.792770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.792770][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.792770][ T73] netlink_unicast+0x449/0x710 [ 6108.792770][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.792770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.792770][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.792770][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.792770][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.792770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.792770][ T73] [ 6108.794301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6108.794301][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6108.794301][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6108.794301][ T73] ipv6_find_idev+0x102/0x170 [ 6108.794301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.794301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.794301][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.794301][ T73] netlink_unicast+0x449/0x710 [ 6108.794301][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.794301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.794301][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.794301][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.794301][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.794301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.794301][ T73] [ 6108.796369][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6108.796643][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.796643][ T73] dst_init+0x84/0x4a0 [ 6108.796643][ T73] dst_alloc+0x97/0x150 [ 6108.796643][ T73] ip6_dst_alloc+0x23/0x90 [ 6108.796643][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6108.796643][ T73] ip6_pol_route+0x56f/0x840 [ 6108.796643][ T73] fib6_rule_lookup+0x456/0x630 [ 6108.796643][ T73] ip6_route_input+0x59c/0xa50 [ 6108.796643][ T73] ipv6_rcv+0x397/0x810 [ 6108.796643][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6108.796643][ T73] process_backlog+0x101/0x620 [ 6108.796643][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6108.796643][ T73] net_rx_action+0x495/0xbe0 [ 6108.796643][ T73] __do_softirq+0x1b5/0x7f6 [ 6108.796643][ T73] [ 6108.798276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.798276][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.798276][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.798276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.798276][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6108.798276][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6108.798276][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6108.798276][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6108.798276][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6108.798276][ T73] addrconf_dad_begin+0x310/0x670 [ 6108.798276][ T73] addrconf_dad_work+0x10b/0xab0 [ 6108.798276][ T73] process_one_work+0x84d/0x18a0 [ 6108.798276][ T73] worker_thread+0x587/0xd30 [ 6108.798276][ T73] kthread+0x28a/0x350 [ 6108.798276][ T73] ret_from_fork+0x31/0x70 [ 6108.798276][ T73] ret_from_fork_asm+0x1a/0x30 [ 6108.798276][ T73] [ 6108.800171][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.800171][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.800171][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.800171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.800171][ T73] ip6_route_add+0x1c/0x140 [ 6108.800171][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6108.800171][ T73] inet6_addr_add+0x4f8/0xa40 [ 6108.800171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.800171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.800171][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.800171][ T73] netlink_unicast+0x449/0x710 [ 6108.800171][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.800171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.800171][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.800171][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.800171][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.800171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.800171][ T73] [ 6108.802156][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.802156][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.802156][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.802156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.802156][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6108.802156][ T73] ipv6_add_addr+0x411/0x2000 [ 6108.802156][ T73] inet6_addr_add+0x30e/0xa40 [ 6108.802156][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.802156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.802156][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.802156][ T73] netlink_unicast+0x449/0x710 [ 6108.802156][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.802156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.802156][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.802156][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.802156][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.802156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.802156][ T73] [ 6108.804135][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.804135][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.804135][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.804135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.804135][ T73] ip6_route_add+0x1c/0x140 [ 6108.804135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6108.804135][ T73] addrconf_add_dev+0xe2/0x170 [ 6108.804135][ T73] inet6_addr_add+0x12f/0xa40 [ 6108.804135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.804135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.804135][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.804135][ T73] netlink_unicast+0x449/0x710 [ 6108.804135][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.804135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.804135][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.804135][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.804135][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.804135][ T73] [ 6108.806075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.806075][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6108.806075][ T73] ipv6_find_idev+0x102/0x170 [ 6108.806075][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.806075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.806075][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.806075][ T73] netlink_unicast+0x449/0x710 [ 6108.806075][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.806075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.806075][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.806075][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.806075][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.806075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.806075][ T73] [ 6108.807595][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6108.807595][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6108.807595][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6108.807595][ T73] ipv6_find_idev+0x102/0x170 [ 6108.807595][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.807595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.807595][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.807595][ T73] netlink_unicast+0x449/0x710 [ 6108.807595][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.807595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.807595][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.807595][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.807595][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.807595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.807595][ T73] [ 6108.809384][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6108.809715][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.809715][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6108.809715][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6108.809715][ T73] fib6_nh_init+0xa22/0x1580 [ 6108.809715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.809715][ T73] ip6_route_add+0x1c/0x140 [ 6108.809715][ T73] inet6_rtm_newroute+0x104/0x110 [ 6108.809715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.809715][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.809715][ T73] netlink_unicast+0x449/0x710 [ 6108.809715][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.809715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.809715][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.809715][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.809715][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.809715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.809715][ T73] [ 6108.811755][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.811755][ T73] dst_init+0x84/0x4a0 [ 6108.811755][ T73] dst_alloc+0x97/0x150 [ 6108.811755][ T73] ip6_dst_alloc+0x23/0x90 [ 6108.811755][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6108.811755][ T73] ip6_pol_route+0x56f/0x840 [ 6108.811755][ T73] fib6_rule_lookup+0x456/0x630 [ 6108.811755][ T73] ip6_route_input+0x59c/0xa50 [ 6108.811755][ T73] ipv6_rcv+0x397/0x810 [ 6108.811755][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6108.811755][ T73] process_backlog+0x101/0x620 [ 6108.811755][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6108.811755][ T73] net_rx_action+0x495/0xbe0 [ 6108.811755][ T73] __do_softirq+0x1b5/0x7f6 [ 6108.811755][ T73] [ 6108.813557][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.813557][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.813557][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.813557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.813557][ T73] ip6_route_add+0x1c/0x140 [ 6108.813557][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6108.813557][ T73] inet6_addr_add+0x4f8/0xa40 [ 6108.813557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.813557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.813557][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.813557][ T73] netlink_unicast+0x449/0x710 [ 6108.813557][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.813557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.813557][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.813557][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.813557][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.813557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.813557][ T73] [ 6108.815839][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.815839][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.815839][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.815839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.815839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6108.815839][ T73] ipv6_add_addr+0x411/0x2000 [ 6108.815839][ T73] inet6_addr_add+0x30e/0xa40 [ 6108.815839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.815839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.815839][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.815839][ T73] netlink_unicast+0x449/0x710 [ 6108.815839][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.815839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.815839][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.815839][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.815839][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.815839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.815839][ T73] [ 6108.818056][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.818056][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.818056][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.818056][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.818056][ T73] ip6_route_add+0x1c/0x140 [ 6108.818056][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6108.818056][ T73] addrconf_add_dev+0xe2/0x170 [ 6108.818056][ T73] inet6_addr_add+0x12f/0xa40 [ 6108.818056][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.818056][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.818056][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.818056][ T73] netlink_unicast+0x449/0x710 [ 6108.818056][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.818056][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.818056][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.818056][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.818056][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.818056][ T73] [ 6108.820253][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.820253][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6108.820253][ T73] ipv6_find_idev+0x102/0x170 [ 6108.820253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.820253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.820253][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.820253][ T73] netlink_unicast+0x449/0x710 [ 6108.820253][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.820253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.820253][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.820253][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.820253][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.820253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.820253][ T73] [ 6108.821953][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6108.821953][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6108.821953][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6108.821953][ T73] ipv6_find_idev+0x102/0x170 [ 6108.821953][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.821953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.821953][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.821953][ T73] netlink_unicast+0x449/0x710 [ 6108.821953][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.821953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.821953][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.821953][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.821953][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.821953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.821953][ T73] [ 6108.823862][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6108.824134][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6108.824134][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.824134][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.824134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.824134][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6108.824134][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6108.824134][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6108.824134][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6108.824134][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6108.824134][ T73] addrconf_dad_begin+0x310/0x670 [ 6108.824134][ T73] addrconf_dad_work+0x10b/0xab0 [ 6108.824134][ T73] process_one_work+0x84d/0x18a0 [ 6108.824134][ T73] worker_thread+0x587/0xd30 [ 6108.824134][ T73] kthread+0x28a/0x350 [ 6108.824134][ T73] ret_from_fork+0x31/0x70 [ 6108.824134][ T73] ret_from_fork_asm+0x1a/0x30 [ 6108.824134][ T73] [ 6108.826301][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6108.826301][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.826301][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.826301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.826301][ T73] ip6_route_add+0x1c/0x140 [ 6108.826301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6108.826301][ T73] inet6_addr_add+0x4f8/0xa40 [ 6108.826301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.826301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.826301][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.826301][ T73] netlink_unicast+0x449/0x710 [ 6108.826301][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.826301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.826301][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.826301][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.826301][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.826301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.826301][ T73] [ 6108.828521][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6108.828521][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.828521][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.828521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.828521][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6108.828521][ T73] ipv6_add_addr+0x411/0x2000 [ 6108.828521][ T73] inet6_addr_add+0x30e/0xa40 [ 6108.828521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.828521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.828521][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.828521][ T73] netlink_unicast+0x449/0x710 [ 6108.828521][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.828521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.828521][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.828521][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.828521][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.828521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.828521][ T73] [ 6108.830740][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6108.830740][ T73] netdev_get_by_index+0x5e/0x80 [ 6108.830740][ T73] fib6_nh_init+0x3d8/0x1580 [ 6108.830740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6108.830740][ T73] ip6_route_add+0x1c/0x140 [ 6108.830740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6108.830740][ T73] addrconf_add_dev+0xe2/0x170 [ 6108.830740][ T73] inet6_addr_add+0x12f/0xa40 [ 6108.830740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.830740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.830740][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.830740][ T73] netlink_unicast+0x449/0x710 [ 6108.830740][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.830740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.830740][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.830740][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.830740][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.830740][ T73] [ 6108.832871][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6108.832871][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6108.832871][ T73] ipv6_find_idev+0x102/0x170 [ 6108.832871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.832871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.832871][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.832871][ T73] netlink_unicast+0x449/0x710 [ 6108.832871][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.832871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.832871][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.832871][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.832871][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.832871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.832871][ T73] [ 6108.834640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6108.834640][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6108.834640][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6108.834640][ T73] ipv6_find_idev+0x102/0x170 [ 6108.834640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.834640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.834640][ T73] netlink_rcv_skb+0x130/0x360 [ 6108.834640][ T73] netlink_unicast+0x449/0x710 [ 6108.834640][ T73] netlink_sendmsg+0x723/0xbe0 [ 6108.834640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6108.834640][ T73] ___sys_sendmsg+0xee/0x170 [ 6108.834640][ T73] __sys_sendmsg+0xcd/0x170 [ 6108.834640][ T73] do_syscall_64+0xc6/0x1e0 [ 6108.834640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.834640][ T73] [ 6119.078940][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6119.079436][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.079436][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6119.079436][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6119.079436][ T73] fib6_nh_init+0xa22/0x1580 [ 6119.079436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.079436][ T73] ip6_route_add+0x1c/0x140 [ 6119.079436][ T73] inet6_rtm_newroute+0x104/0x110 [ 6119.079436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.079436][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.079436][ T73] netlink_unicast+0x449/0x710 [ 6119.079436][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.079436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.079436][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.079436][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.079436][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.079436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.079436][ T73] [ 6119.081352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.081352][ T73] dst_init+0x84/0x4a0 [ 6119.081352][ T73] dst_alloc+0x97/0x150 [ 6119.081352][ T73] ip6_dst_alloc+0x23/0x90 [ 6119.081352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6119.081352][ T73] ip6_pol_route+0x56f/0x840 [ 6119.081352][ T73] fib6_rule_lookup+0x456/0x630 [ 6119.081352][ T73] ip6_route_input+0x59c/0xa50 [ 6119.081352][ T73] ipv6_rcv+0x397/0x810 [ 6119.081352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6119.081352][ T73] process_backlog+0x101/0x620 [ 6119.081352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6119.081352][ T73] net_rx_action+0x495/0xbe0 [ 6119.081352][ T73] __do_softirq+0x1b5/0x7f6 [ 6119.081352][ T73] [ 6119.083017][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.083017][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.083017][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.083017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.083017][ T73] ip6_route_add+0x1c/0x140 [ 6119.083017][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6119.083017][ T73] inet6_addr_add+0x4f8/0xa40 [ 6119.083017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.083017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.083017][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.083017][ T73] netlink_unicast+0x449/0x710 [ 6119.083017][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.083017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.083017][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.083017][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.083017][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.083017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.083017][ T73] [ 6119.085053][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.085053][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.085053][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.085053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.085053][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6119.085053][ T73] ipv6_add_addr+0x411/0x2000 [ 6119.085053][ T73] inet6_addr_add+0x30e/0xa40 [ 6119.085053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.085053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.085053][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.085053][ T73] netlink_unicast+0x449/0x710 [ 6119.085053][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.085053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.085053][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.085053][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.085053][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.085053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.085053][ T73] [ 6119.087070][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.087070][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.087070][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.087070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.087070][ T73] ip6_route_add+0x1c/0x140 [ 6119.087070][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6119.087070][ T73] addrconf_add_dev+0xe2/0x170 [ 6119.087070][ T73] inet6_addr_add+0x12f/0xa40 [ 6119.087070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.087070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.087070][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.087070][ T73] netlink_unicast+0x449/0x710 [ 6119.087070][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.087070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.087070][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.087070][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.087070][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.087070][ T73] [ 6119.089059][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.089059][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6119.089059][ T73] ipv6_find_idev+0x102/0x170 [ 6119.089059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.089059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.089059][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.089059][ T73] netlink_unicast+0x449/0x710 [ 6119.089059][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.089059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.089059][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.089059][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.089059][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.089059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.089059][ T73] [ 6119.090610][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6119.090610][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6119.090610][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6119.090610][ T73] ipv6_find_idev+0x102/0x170 [ 6119.090610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.090610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.090610][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.090610][ T73] netlink_unicast+0x449/0x710 [ 6119.090610][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.090610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.090610][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.090610][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.090610][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.090610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.090610][ T73] [ 6119.092318][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6119.092602][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.092602][ T73] dst_init+0x84/0x4a0 [ 6119.092602][ T73] dst_alloc+0x97/0x150 [ 6119.092602][ T73] ip6_dst_alloc+0x23/0x90 [ 6119.092602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6119.092602][ T73] ip6_pol_route+0x56f/0x840 [ 6119.092602][ T73] fib6_rule_lookup+0x456/0x630 [ 6119.092602][ T73] ip6_route_input+0x59c/0xa50 [ 6119.092602][ T73] ipv6_rcv+0x397/0x810 [ 6119.092602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6119.092602][ T73] process_backlog+0x101/0x620 [ 6119.092602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6119.092602][ T73] net_rx_action+0x495/0xbe0 [ 6119.092602][ T73] __do_softirq+0x1b5/0x7f6 [ 6119.092602][ T73] [ 6119.094253][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.094253][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.094253][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.094253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.094253][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6119.094253][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6119.094253][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6119.094253][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6119.094253][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6119.094253][ T73] addrconf_dad_begin+0x310/0x670 [ 6119.094253][ T73] addrconf_dad_work+0x10b/0xab0 [ 6119.094253][ T73] process_one_work+0x84d/0x18a0 [ 6119.094253][ T73] worker_thread+0x587/0xd30 [ 6119.094253][ T73] kthread+0x28a/0x350 [ 6119.094253][ T73] ret_from_fork+0x31/0x70 [ 6119.094253][ T73] ret_from_fork_asm+0x1a/0x30 [ 6119.094253][ T73] [ 6119.096165][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.096165][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.096165][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.096165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.096165][ T73] ip6_route_add+0x1c/0x140 [ 6119.096165][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6119.096165][ T73] inet6_addr_add+0x4f8/0xa40 [ 6119.096165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.096165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.096165][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.096165][ T73] netlink_unicast+0x449/0x710 [ 6119.096165][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.096165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.096165][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.096165][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.096165][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.096165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.096165][ T73] [ 6119.098195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.098195][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.098195][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.098195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.098195][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6119.098195][ T73] ipv6_add_addr+0x411/0x2000 [ 6119.098195][ T73] inet6_addr_add+0x30e/0xa40 [ 6119.098195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.098195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.098195][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.098195][ T73] netlink_unicast+0x449/0x710 [ 6119.098195][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.098195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.098195][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.098195][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.098195][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.098195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.098195][ T73] [ 6119.100204][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.100204][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.100204][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.100204][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.100204][ T73] ip6_route_add+0x1c/0x140 [ 6119.100204][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6119.100204][ T73] addrconf_add_dev+0xe2/0x170 [ 6119.100204][ T73] inet6_addr_add+0x12f/0xa40 [ 6119.100204][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.100204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.100204][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.100204][ T73] netlink_unicast+0x449/0x710 [ 6119.100204][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.100204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.100204][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.100204][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.100204][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.100204][ T73] [ 6119.102174][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.102174][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6119.102174][ T73] ipv6_find_idev+0x102/0x170 [ 6119.102174][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.102174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.102174][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.102174][ T73] netlink_unicast+0x449/0x710 [ 6119.102174][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.102174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.102174][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.102174][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.102174][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.102174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.102174][ T73] [ 6119.103732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6119.103732][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6119.103732][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6119.103732][ T73] ipv6_find_idev+0x102/0x170 [ 6119.103732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.103732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.103732][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.103732][ T73] netlink_unicast+0x449/0x710 [ 6119.103732][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.103732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.103732][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.103732][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.103732][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.103732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.103732][ T73] [ 6119.105548][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6119.105889][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.105889][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6119.105889][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6119.105889][ T73] fib6_nh_init+0xa22/0x1580 [ 6119.105889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.105889][ T73] ip6_route_add+0x1c/0x140 [ 6119.105889][ T73] inet6_rtm_newroute+0x104/0x110 [ 6119.105889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.105889][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.105889][ T73] netlink_unicast+0x449/0x710 [ 6119.105889][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.105889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.105889][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.105889][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.105889][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.105889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.105889][ T73] [ 6119.107949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.107949][ T73] dst_init+0x84/0x4a0 [ 6119.107949][ T73] dst_alloc+0x97/0x150 [ 6119.107949][ T73] ip6_dst_alloc+0x23/0x90 [ 6119.107949][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6119.107949][ T73] ip6_pol_route+0x56f/0x840 [ 6119.107949][ T73] fib6_rule_lookup+0x456/0x630 [ 6119.107949][ T73] ip6_route_input+0x59c/0xa50 [ 6119.107949][ T73] ipv6_rcv+0x397/0x810 [ 6119.107949][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6119.107949][ T73] process_backlog+0x101/0x620 [ 6119.107949][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6119.107949][ T73] net_rx_action+0x495/0xbe0 [ 6119.107949][ T73] __do_softirq+0x1b5/0x7f6 [ 6119.107949][ T73] [ 6119.109769][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.109769][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.109769][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.109769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.109769][ T73] ip6_route_add+0x1c/0x140 [ 6119.109769][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6119.109769][ T73] inet6_addr_add+0x4f8/0xa40 [ 6119.109769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.109769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.109769][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.109769][ T73] netlink_unicast+0x449/0x710 [ 6119.109769][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.109769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.109769][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.109769][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.109769][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.109769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.109769][ T73] [ 6119.112012][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.112012][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.112012][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.112012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.112012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6119.112012][ T73] ipv6_add_addr+0x411/0x2000 [ 6119.112012][ T73] inet6_addr_add+0x30e/0xa40 [ 6119.112012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.112012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.112012][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.112012][ T73] netlink_unicast+0x449/0x710 [ 6119.112012][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.112012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.112012][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.112012][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.112012][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.112012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.112012][ T73] [ 6119.114274][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.114274][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.114274][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.114274][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.114274][ T73] ip6_route_add+0x1c/0x140 [ 6119.114274][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6119.114274][ T73] addrconf_add_dev+0xe2/0x170 [ 6119.114274][ T73] inet6_addr_add+0x12f/0xa40 [ 6119.114274][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.114274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.114274][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.114274][ T73] netlink_unicast+0x449/0x710 [ 6119.114274][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.114274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.114274][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.114274][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.114274][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.114274][ T73] [ 6119.116563][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.116563][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6119.116563][ T73] ipv6_find_idev+0x102/0x170 [ 6119.116563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.116563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.116563][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.116563][ T73] netlink_unicast+0x449/0x710 [ 6119.116563][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.116563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.116563][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.116563][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.116563][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.116563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.116563][ T73] [ 6119.118287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6119.118287][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6119.118287][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6119.118287][ T73] ipv6_find_idev+0x102/0x170 [ 6119.118287][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.118287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.118287][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.118287][ T73] netlink_unicast+0x449/0x710 [ 6119.118287][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.118287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.118287][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.118287][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.118287][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.118287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.118287][ T73] [ 6119.120167][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6119.120437][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6119.120437][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.120437][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.120437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.120437][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6119.120437][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6119.120437][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6119.120437][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6119.120437][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6119.120437][ T73] addrconf_dad_begin+0x310/0x670 [ 6119.120437][ T73] addrconf_dad_work+0x10b/0xab0 [ 6119.120437][ T73] process_one_work+0x84d/0x18a0 [ 6119.120437][ T73] worker_thread+0x587/0xd30 [ 6119.120437][ T73] kthread+0x28a/0x350 [ 6119.120437][ T73] ret_from_fork+0x31/0x70 [ 6119.120437][ T73] ret_from_fork_asm+0x1a/0x30 [ 6119.120437][ T73] [ 6119.122602][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6119.122602][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.122602][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.122602][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.122602][ T73] ip6_route_add+0x1c/0x140 [ 6119.122602][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6119.122602][ T73] inet6_addr_add+0x4f8/0xa40 [ 6119.122602][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.122602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.122602][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.122602][ T73] netlink_unicast+0x449/0x710 [ 6119.122602][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.122602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.122602][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.122602][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.122602][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.122602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.122602][ T73] [ 6119.124914][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6119.124914][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.124914][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.124914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.124914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6119.124914][ T73] ipv6_add_addr+0x411/0x2000 [ 6119.124914][ T73] inet6_addr_add+0x30e/0xa40 [ 6119.124914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.124914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.124914][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.124914][ T73] netlink_unicast+0x449/0x710 [ 6119.124914][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.124914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.124914][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.124914][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.124914][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.124914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.124914][ T73] [ 6119.127165][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6119.127165][ T73] netdev_get_by_index+0x5e/0x80 [ 6119.127165][ T73] fib6_nh_init+0x3d8/0x1580 [ 6119.127165][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6119.127165][ T73] ip6_route_add+0x1c/0x140 [ 6119.127165][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6119.127165][ T73] addrconf_add_dev+0xe2/0x170 [ 6119.127165][ T73] inet6_addr_add+0x12f/0xa40 [ 6119.127165][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6119.127165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.127165][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.127165][ T73] netlink_unicast+0x449/0x710 [ 6119.127165][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.127165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.127165][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.127165][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.127165][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.127165][ T73] [ 6119.129314][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6119.129314][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6119.129314][ T73] ipv6_find_idev+0x102/0x170 [ 6119.129314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.129314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.129314][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.129314][ T73] netlink_unicast+0x449/0x710 [ 6119.129314][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.129314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.129314][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.129314][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.129314][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.129314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.129314][ T73] [ 6119.131039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6119.131039][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6119.131039][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6119.131039][ T73] ipv6_find_idev+0x102/0x170 [ 6119.131039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6119.131039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6119.131039][ T73] netlink_rcv_skb+0x130/0x360 [ 6119.131039][ T73] netlink_unicast+0x449/0x710 [ 6119.131039][ T73] netlink_sendmsg+0x723/0xbe0 [ 6119.131039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6119.131039][ T73] ___sys_sendmsg+0xee/0x170 [ 6119.131039][ T73] __sys_sendmsg+0xcd/0x170 [ 6119.131039][ T73] do_syscall_64+0xc6/0x1e0 [ 6119.131039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6119.131039][ T73] [ 6129.182924][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6129.183395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.183395][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6129.183395][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6129.183395][ T73] fib6_nh_init+0xa22/0x1580 [ 6129.183395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.183395][ T73] ip6_route_add+0x1c/0x140 [ 6129.183395][ T73] inet6_rtm_newroute+0x104/0x110 [ 6129.183395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.183395][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.183395][ T73] netlink_unicast+0x449/0x710 [ 6129.183395][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.183395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.183395][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.183395][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.183395][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.183395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.183395][ T73] [ 6129.185303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.185303][ T73] dst_init+0x84/0x4a0 [ 6129.185303][ T73] dst_alloc+0x97/0x150 [ 6129.185303][ T73] ip6_dst_alloc+0x23/0x90 [ 6129.185303][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6129.185303][ T73] ip6_pol_route+0x56f/0x840 [ 6129.185303][ T73] fib6_rule_lookup+0x456/0x630 [ 6129.185303][ T73] ip6_route_input+0x59c/0xa50 [ 6129.185303][ T73] ipv6_rcv+0x397/0x810 [ 6129.185303][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6129.185303][ T73] process_backlog+0x101/0x620 [ 6129.185303][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6129.185303][ T73] net_rx_action+0x495/0xbe0 [ 6129.185303][ T73] __do_softirq+0x1b5/0x7f6 [ 6129.185303][ T73] [ 6129.186953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.186953][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.186953][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.186953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.186953][ T73] ip6_route_add+0x1c/0x140 [ 6129.186953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6129.186953][ T73] inet6_addr_add+0x4f8/0xa40 [ 6129.186953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.186953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.186953][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.186953][ T73] netlink_unicast+0x449/0x710 [ 6129.186953][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.186953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.186953][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.186953][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.186953][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.186953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.186953][ T73] [ 6129.188963][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.188963][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.188963][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.188963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.188963][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6129.188963][ T73] ipv6_add_addr+0x411/0x2000 [ 6129.188963][ T73] inet6_addr_add+0x30e/0xa40 [ 6129.188963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.188963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.188963][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.188963][ T73] netlink_unicast+0x449/0x710 [ 6129.188963][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.188963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.188963][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.188963][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.188963][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.188963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.188963][ T73] [ 6129.190989][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.190989][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.190989][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.190989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.190989][ T73] ip6_route_add+0x1c/0x140 [ 6129.190989][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6129.190989][ T73] addrconf_add_dev+0xe2/0x170 [ 6129.190989][ T73] inet6_addr_add+0x12f/0xa40 [ 6129.190989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.190989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.190989][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.190989][ T73] netlink_unicast+0x449/0x710 [ 6129.190989][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.190989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.190989][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.190989][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.190989][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.190989][ T73] [ 6129.192981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.192981][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6129.192981][ T73] ipv6_find_idev+0x102/0x170 [ 6129.192981][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.192981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.192981][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.192981][ T73] netlink_unicast+0x449/0x710 [ 6129.192981][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.192981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.192981][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.192981][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.192981][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.192981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.192981][ T73] [ 6129.194528][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6129.194528][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6129.194528][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6129.194528][ T73] ipv6_find_idev+0x102/0x170 [ 6129.194528][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.194528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.194528][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.194528][ T73] netlink_unicast+0x449/0x710 [ 6129.194528][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.194528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.194528][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.194528][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.194528][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.194528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.194528][ T73] [ 6129.196239][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6129.196514][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.196514][ T73] dst_init+0x84/0x4a0 [ 6129.196514][ T73] dst_alloc+0x97/0x150 [ 6129.196514][ T73] ip6_dst_alloc+0x23/0x90 [ 6129.196514][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6129.196514][ T73] ip6_pol_route+0x56f/0x840 [ 6129.196514][ T73] fib6_rule_lookup+0x456/0x630 [ 6129.196514][ T73] ip6_route_input+0x59c/0xa50 [ 6129.196514][ T73] ipv6_rcv+0x397/0x810 [ 6129.196514][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6129.196514][ T73] process_backlog+0x101/0x620 [ 6129.196514][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6129.196514][ T73] net_rx_action+0x495/0xbe0 [ 6129.196514][ T73] __do_softirq+0x1b5/0x7f6 [ 6129.196514][ T73] [ 6129.198161][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.198161][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.198161][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.198161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.198161][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6129.198161][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6129.198161][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6129.198161][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6129.198161][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6129.198161][ T73] addrconf_dad_begin+0x310/0x670 [ 6129.198161][ T73] addrconf_dad_work+0x10b/0xab0 [ 6129.198161][ T73] process_one_work+0x84d/0x18a0 [ 6129.198161][ T73] worker_thread+0x587/0xd30 [ 6129.198161][ T73] kthread+0x28a/0x350 [ 6129.198161][ T73] ret_from_fork+0x31/0x70 [ 6129.198161][ T73] ret_from_fork_asm+0x1a/0x30 [ 6129.198161][ T73] [ 6129.200075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.200075][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.200075][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.200075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.200075][ T73] ip6_route_add+0x1c/0x140 [ 6129.200075][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6129.200075][ T73] inet6_addr_add+0x4f8/0xa40 [ 6129.200075][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.200075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.200075][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.200075][ T73] netlink_unicast+0x449/0x710 [ 6129.200075][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.200075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.200075][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.200075][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.200075][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.200075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.200075][ T73] [ 6129.202077][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.202077][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.202077][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.202077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.202077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6129.202077][ T73] ipv6_add_addr+0x411/0x2000 [ 6129.202077][ T73] inet6_addr_add+0x30e/0xa40 [ 6129.202077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.202077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.202077][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.202077][ T73] netlink_unicast+0x449/0x710 [ 6129.202077][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.202077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.202077][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.202077][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.202077][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.202077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.202077][ T73] [ 6129.204086][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.204086][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.204086][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.204086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.204086][ T73] ip6_route_add+0x1c/0x140 [ 6129.204086][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6129.204086][ T73] addrconf_add_dev+0xe2/0x170 [ 6129.204086][ T73] inet6_addr_add+0x12f/0xa40 [ 6129.204086][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.204086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.204086][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.204086][ T73] netlink_unicast+0x449/0x710 [ 6129.204086][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.204086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.204086][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.204086][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.204086][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.204086][ T73] [ 6129.206059][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.206059][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6129.206059][ T73] ipv6_find_idev+0x102/0x170 [ 6129.206059][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.206059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.206059][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.206059][ T73] netlink_unicast+0x449/0x710 [ 6129.206059][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.206059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.206059][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.206059][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.206059][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.206059][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.206059][ T73] [ 6129.207602][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6129.207602][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6129.207602][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6129.207602][ T73] ipv6_find_idev+0x102/0x170 [ 6129.207602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.207602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.207602][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.207602][ T73] netlink_unicast+0x449/0x710 [ 6129.207602][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.207602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.207602][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.207602][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.207602][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.207602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.207602][ T73] [ 6129.209421][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6129.209755][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.209755][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6129.209755][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6129.209755][ T73] fib6_nh_init+0xa22/0x1580 [ 6129.209755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.209755][ T73] ip6_route_add+0x1c/0x140 [ 6129.209755][ T73] inet6_rtm_newroute+0x104/0x110 [ 6129.209755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.209755][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.209755][ T73] netlink_unicast+0x449/0x710 [ 6129.209755][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.209755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.209755][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.209755][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.209755][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.209755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.209755][ T73] [ 6129.211832][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.211832][ T73] dst_init+0x84/0x4a0 [ 6129.211832][ T73] dst_alloc+0x97/0x150 [ 6129.211832][ T73] ip6_dst_alloc+0x23/0x90 [ 6129.211832][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6129.211832][ T73] ip6_pol_route+0x56f/0x840 [ 6129.211832][ T73] fib6_rule_lookup+0x456/0x630 [ 6129.211832][ T73] ip6_route_input+0x59c/0xa50 [ 6129.211832][ T73] ipv6_rcv+0x397/0x810 [ 6129.211832][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6129.211832][ T73] process_backlog+0x101/0x620 [ 6129.211832][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6129.211832][ T73] net_rx_action+0x495/0xbe0 [ 6129.211832][ T73] __do_softirq+0x1b5/0x7f6 [ 6129.211832][ T73] [ 6129.213743][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.213743][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.213743][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.213743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.213743][ T73] ip6_route_add+0x1c/0x140 [ 6129.213743][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6129.213743][ T73] inet6_addr_add+0x4f8/0xa40 [ 6129.213743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.213743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.213743][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.213743][ T73] netlink_unicast+0x449/0x710 [ 6129.213743][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.213743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.213743][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.213743][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.213743][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.213743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.213743][ T73] [ 6129.215991][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.215991][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.215991][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.215991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.215991][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6129.215991][ T73] ipv6_add_addr+0x411/0x2000 [ 6129.215991][ T73] inet6_addr_add+0x30e/0xa40 [ 6129.215991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.215991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.215991][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.215991][ T73] netlink_unicast+0x449/0x710 [ 6129.215991][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.215991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.215991][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.215991][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.215991][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.215991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.215991][ T73] [ 6129.218235][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.218235][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.218235][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.218235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.218235][ T73] ip6_route_add+0x1c/0x140 [ 6129.218235][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6129.218235][ T73] addrconf_add_dev+0xe2/0x170 [ 6129.218235][ T73] inet6_addr_add+0x12f/0xa40 [ 6129.218235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.218235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.218235][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.218235][ T73] netlink_unicast+0x449/0x710 [ 6129.218235][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.218235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.218235][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.218235][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.218235][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.218235][ T73] [ 6129.220449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.220449][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6129.220449][ T73] ipv6_find_idev+0x102/0x170 [ 6129.220449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.220449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.220449][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.220449][ T73] netlink_unicast+0x449/0x710 [ 6129.220449][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.220449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.220449][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.220449][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.220449][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.220449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.220449][ T73] [ 6129.222172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6129.222172][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6129.222172][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6129.222172][ T73] ipv6_find_idev+0x102/0x170 [ 6129.222172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.222172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.222172][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.222172][ T73] netlink_unicast+0x449/0x710 [ 6129.222172][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.222172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.222172][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.222172][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.222172][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.222172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.222172][ T73] [ 6129.224118][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6129.224405][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6129.224405][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.224405][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.224405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.224405][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6129.224405][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6129.224405][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6129.224405][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6129.224405][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6129.224405][ T73] addrconf_dad_begin+0x310/0x670 [ 6129.224405][ T73] addrconf_dad_work+0x10b/0xab0 [ 6129.224405][ T73] process_one_work+0x84d/0x18a0 [ 6129.224405][ T73] worker_thread+0x587/0xd30 [ 6129.224405][ T73] kthread+0x28a/0x350 [ 6129.224405][ T73] ret_from_fork+0x31/0x70 [ 6129.224405][ T73] ret_from_fork_asm+0x1a/0x30 [ 6129.224405][ T73] [ 6129.226558][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6129.226558][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.226558][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.226558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.226558][ T73] ip6_route_add+0x1c/0x140 [ 6129.226558][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6129.226558][ T73] inet6_addr_add+0x4f8/0xa40 [ 6129.226558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.226558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.226558][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.226558][ T73] netlink_unicast+0x449/0x710 [ 6129.226558][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.226558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.226558][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.226558][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.226558][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.226558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.226558][ T73] [ 6129.228801][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6129.228801][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.228801][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.228801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.228801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6129.228801][ T73] ipv6_add_addr+0x411/0x2000 [ 6129.228801][ T73] inet6_addr_add+0x30e/0xa40 [ 6129.228801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.228801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.228801][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.228801][ T73] netlink_unicast+0x449/0x710 [ 6129.228801][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.228801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.228801][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.228801][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.228801][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.228801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.228801][ T73] [ 6129.231050][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6129.231050][ T73] netdev_get_by_index+0x5e/0x80 [ 6129.231050][ T73] fib6_nh_init+0x3d8/0x1580 [ 6129.231050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6129.231050][ T73] ip6_route_add+0x1c/0x140 [ 6129.231050][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6129.231050][ T73] addrconf_add_dev+0xe2/0x170 [ 6129.231050][ T73] inet6_addr_add+0x12f/0xa40 [ 6129.231050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6129.231050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.231050][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.231050][ T73] netlink_unicast+0x449/0x710 [ 6129.231050][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.231050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.231050][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.231050][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.231050][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.231050][ T73] [ 6129.233272][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6129.233272][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6129.233272][ T73] ipv6_find_idev+0x102/0x170 [ 6129.233272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.233272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.233272][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.233272][ T73] netlink_unicast+0x449/0x710 [ 6129.233272][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.233272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.233272][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.233272][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.233272][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.233272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.233272][ T73] [ 6129.234994][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6129.234994][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6129.234994][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6129.234994][ T73] ipv6_find_idev+0x102/0x170 [ 6129.234994][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6129.234994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6129.234994][ T73] netlink_rcv_skb+0x130/0x360 [ 6129.234994][ T73] netlink_unicast+0x449/0x710 [ 6129.234994][ T73] netlink_sendmsg+0x723/0xbe0 [ 6129.234994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6129.234994][ T73] ___sys_sendmsg+0xee/0x170 [ 6129.234994][ T73] __sys_sendmsg+0xcd/0x170 [ 6129.234994][ T73] do_syscall_64+0xc6/0x1e0 [ 6129.234994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6129.234994][ T73] [ 6139.422829][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6139.423293][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.423293][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6139.423293][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6139.423293][ T73] fib6_nh_init+0xa22/0x1580 [ 6139.423293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.423293][ T73] ip6_route_add+0x1c/0x140 [ 6139.423293][ T73] inet6_rtm_newroute+0x104/0x110 [ 6139.423293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.423293][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.423293][ T73] netlink_unicast+0x449/0x710 [ 6139.423293][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.423293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.423293][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.423293][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.423293][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.423293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.423293][ T73] [ 6139.425166][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.425166][ T73] dst_init+0x84/0x4a0 [ 6139.425166][ T73] dst_alloc+0x97/0x150 [ 6139.425166][ T73] ip6_dst_alloc+0x23/0x90 [ 6139.425166][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6139.425166][ T73] ip6_pol_route+0x56f/0x840 [ 6139.425166][ T73] fib6_rule_lookup+0x456/0x630 [ 6139.425166][ T73] ip6_route_input+0x59c/0xa50 [ 6139.425166][ T73] ipv6_rcv+0x397/0x810 [ 6139.425166][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6139.425166][ T73] process_backlog+0x101/0x620 [ 6139.425166][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6139.425166][ T73] net_rx_action+0x495/0xbe0 [ 6139.425166][ T73] __do_softirq+0x1b5/0x7f6 [ 6139.425166][ T73] [ 6139.426802][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.426802][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.426802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.426802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.426802][ T73] ip6_route_add+0x1c/0x140 [ 6139.426802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6139.426802][ T73] inet6_addr_add+0x4f8/0xa40 [ 6139.426802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.426802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.426802][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.426802][ T73] netlink_unicast+0x449/0x710 [ 6139.426802][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.426802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.426802][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.426802][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.426802][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.426802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.426802][ T73] [ 6139.428803][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.428803][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.428803][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.428803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.428803][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6139.428803][ T73] ipv6_add_addr+0x411/0x2000 [ 6139.428803][ T73] inet6_addr_add+0x30e/0xa40 [ 6139.428803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.428803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.428803][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.428803][ T73] netlink_unicast+0x449/0x710 [ 6139.428803][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.428803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.428803][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.428803][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.428803][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.428803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.428803][ T73] [ 6139.430786][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.430786][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.430786][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.430786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.430786][ T73] ip6_route_add+0x1c/0x140 [ 6139.430786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6139.430786][ T73] addrconf_add_dev+0xe2/0x170 [ 6139.430786][ T73] inet6_addr_add+0x12f/0xa40 [ 6139.430786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.430786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.430786][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.430786][ T73] netlink_unicast+0x449/0x710 [ 6139.430786][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.430786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.430786][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.430786][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.430786][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.430786][ T73] [ 6139.432756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.432756][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6139.432756][ T73] ipv6_find_idev+0x102/0x170 [ 6139.432756][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.432756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.432756][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.432756][ T73] netlink_unicast+0x449/0x710 [ 6139.432756][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.432756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.432756][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.432756][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.432756][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.432756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.432756][ T73] [ 6139.434281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6139.434281][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6139.434281][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6139.434281][ T73] ipv6_find_idev+0x102/0x170 [ 6139.434281][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.434281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.434281][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.434281][ T73] netlink_unicast+0x449/0x710 [ 6139.434281][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.434281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.434281][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.434281][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.434281][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.434281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.434281][ T73] [ 6139.435958][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6139.436238][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.436238][ T73] dst_init+0x84/0x4a0 [ 6139.436238][ T73] dst_alloc+0x97/0x150 [ 6139.436238][ T73] ip6_dst_alloc+0x23/0x90 [ 6139.436238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6139.436238][ T73] ip6_pol_route+0x56f/0x840 [ 6139.436238][ T73] fib6_rule_lookup+0x456/0x630 [ 6139.436238][ T73] ip6_route_input+0x59c/0xa50 [ 6139.436238][ T73] ipv6_rcv+0x397/0x810 [ 6139.436238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6139.436238][ T73] process_backlog+0x101/0x620 [ 6139.436238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6139.436238][ T73] net_rx_action+0x495/0xbe0 [ 6139.436238][ T73] __do_softirq+0x1b5/0x7f6 [ 6139.436238][ T73] [ 6139.437872][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.437872][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.437872][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.437872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.437872][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6139.437872][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6139.437872][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6139.437872][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6139.437872][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6139.437872][ T73] addrconf_dad_begin+0x310/0x670 [ 6139.437872][ T73] addrconf_dad_work+0x10b/0xab0 [ 6139.437872][ T73] process_one_work+0x84d/0x18a0 [ 6139.437872][ T73] worker_thread+0x587/0xd30 [ 6139.437872][ T73] kthread+0x28a/0x350 [ 6139.437872][ T73] ret_from_fork+0x31/0x70 [ 6139.437872][ T73] ret_from_fork_asm+0x1a/0x30 [ 6139.437872][ T73] [ 6139.439783][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.439783][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.439783][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.439783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.439783][ T73] ip6_route_add+0x1c/0x140 [ 6139.439783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6139.439783][ T73] inet6_addr_add+0x4f8/0xa40 [ 6139.439783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.439783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.439783][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.439783][ T73] netlink_unicast+0x449/0x710 [ 6139.439783][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.439783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.439783][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.439783][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.439783][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.439783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.439783][ T73] [ 6139.441776][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.441776][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.441776][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.441776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.441776][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6139.441776][ T73] ipv6_add_addr+0x411/0x2000 [ 6139.441776][ T73] inet6_addr_add+0x30e/0xa40 [ 6139.441776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.441776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.441776][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.441776][ T73] netlink_unicast+0x449/0x710 [ 6139.441776][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.441776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.441776][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.441776][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.441776][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.441776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.441776][ T73] [ 6139.443764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.443764][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.443764][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.443764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.443764][ T73] ip6_route_add+0x1c/0x140 [ 6139.443764][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6139.443764][ T73] addrconf_add_dev+0xe2/0x170 [ 6139.443764][ T73] inet6_addr_add+0x12f/0xa40 [ 6139.443764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.443764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.443764][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.443764][ T73] netlink_unicast+0x449/0x710 [ 6139.443764][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.443764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.443764][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.443764][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.443764][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.443764][ T73] [ 6139.445720][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.445720][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6139.445720][ T73] ipv6_find_idev+0x102/0x170 [ 6139.445720][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.445720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.445720][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.445720][ T73] netlink_unicast+0x449/0x710 [ 6139.445720][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.445720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.445720][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.445720][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.445720][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.445720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.445720][ T73] [ 6139.447252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6139.447252][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6139.447252][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6139.447252][ T73] ipv6_find_idev+0x102/0x170 [ 6139.447252][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.447252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.447252][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.447252][ T73] netlink_unicast+0x449/0x710 [ 6139.447252][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.447252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.447252][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.447252][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.447252][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.447252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.447252][ T73] [ 6139.448979][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6139.449312][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.449312][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6139.449312][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6139.449312][ T73] fib6_nh_init+0xa22/0x1580 [ 6139.449312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.449312][ T73] ip6_route_add+0x1c/0x140 [ 6139.449312][ T73] inet6_rtm_newroute+0x104/0x110 [ 6139.449312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.449312][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.449312][ T73] netlink_unicast+0x449/0x710 [ 6139.449312][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.449312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.449312][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.449312][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.449312][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.449312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.449312][ T73] [ 6139.451298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.451298][ T73] dst_init+0x84/0x4a0 [ 6139.451298][ T73] dst_alloc+0x97/0x150 [ 6139.451298][ T73] ip6_dst_alloc+0x23/0x90 [ 6139.451298][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6139.451298][ T73] ip6_pol_route+0x56f/0x840 [ 6139.451298][ T73] fib6_rule_lookup+0x456/0x630 [ 6139.451298][ T73] ip6_route_input+0x59c/0xa50 [ 6139.451298][ T73] ipv6_rcv+0x397/0x810 [ 6139.451298][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6139.451298][ T73] process_backlog+0x101/0x620 [ 6139.451298][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6139.451298][ T73] net_rx_action+0x495/0xbe0 [ 6139.451298][ T73] __do_softirq+0x1b5/0x7f6 [ 6139.451298][ T73] [ 6139.453110][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.453110][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.453110][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.453110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.453110][ T73] ip6_route_add+0x1c/0x140 [ 6139.453110][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6139.453110][ T73] inet6_addr_add+0x4f8/0xa40 [ 6139.453110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.453110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.453110][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.453110][ T73] netlink_unicast+0x449/0x710 [ 6139.453110][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.453110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.453110][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.453110][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.453110][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.453110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.453110][ T73] [ 6139.455335][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.455335][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.455335][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.455335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.455335][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6139.455335][ T73] ipv6_add_addr+0x411/0x2000 [ 6139.455335][ T73] inet6_addr_add+0x30e/0xa40 [ 6139.455335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.455335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.455335][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.455335][ T73] netlink_unicast+0x449/0x710 [ 6139.455335][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.455335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.455335][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.455335][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.455335][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.455335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.455335][ T73] [ 6139.457584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.457584][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.457584][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.457584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.457584][ T73] ip6_route_add+0x1c/0x140 [ 6139.457584][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6139.457584][ T73] addrconf_add_dev+0xe2/0x170 [ 6139.457584][ T73] inet6_addr_add+0x12f/0xa40 [ 6139.457584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.457584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.457584][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.457584][ T73] netlink_unicast+0x449/0x710 [ 6139.457584][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.457584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.457584][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.457584][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.457584][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.457584][ T73] [ 6139.459777][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.459777][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6139.459777][ T73] ipv6_find_idev+0x102/0x170 [ 6139.459777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.459777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.459777][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.459777][ T73] netlink_unicast+0x449/0x710 [ 6139.459777][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.459777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.459777][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.459777][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.459777][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.459777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.459777][ T73] [ 6139.461486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6139.461486][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6139.461486][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6139.461486][ T73] ipv6_find_idev+0x102/0x170 [ 6139.461486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.461486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.461486][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.461486][ T73] netlink_unicast+0x449/0x710 [ 6139.461486][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.461486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.461486][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.461486][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.461486][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.461486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.461486][ T73] [ 6139.463345][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6139.463612][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6139.463612][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.463612][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.463612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.463612][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6139.463612][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6139.463612][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6139.463612][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6139.463612][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6139.463612][ T73] addrconf_dad_begin+0x310/0x670 [ 6139.463612][ T73] addrconf_dad_work+0x10b/0xab0 [ 6139.463612][ T73] process_one_work+0x84d/0x18a0 [ 6139.463612][ T73] worker_thread+0x587/0xd30 [ 6139.463612][ T73] kthread+0x28a/0x350 [ 6139.463612][ T73] ret_from_fork+0x31/0x70 [ 6139.463612][ T73] ret_from_fork_asm+0x1a/0x30 [ 6139.463612][ T73] [ 6139.465754][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6139.465754][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.465754][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.465754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.465754][ T73] ip6_route_add+0x1c/0x140 [ 6139.465754][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6139.465754][ T73] inet6_addr_add+0x4f8/0xa40 [ 6139.465754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.465754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.465754][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.465754][ T73] netlink_unicast+0x449/0x710 [ 6139.465754][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.465754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.465754][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.465754][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.465754][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.465754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.465754][ T73] [ 6139.468041][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6139.468041][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.468041][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.468041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.468041][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6139.468041][ T73] ipv6_add_addr+0x411/0x2000 [ 6139.468041][ T73] inet6_addr_add+0x30e/0xa40 [ 6139.468041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.468041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.468041][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.468041][ T73] netlink_unicast+0x449/0x710 [ 6139.468041][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.468041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.468041][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.468041][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.468041][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.468041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.468041][ T73] [ 6139.470275][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6139.470275][ T73] netdev_get_by_index+0x5e/0x80 [ 6139.470275][ T73] fib6_nh_init+0x3d8/0x1580 [ 6139.470275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6139.470275][ T73] ip6_route_add+0x1c/0x140 [ 6139.470275][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6139.470275][ T73] addrconf_add_dev+0xe2/0x170 [ 6139.470275][ T73] inet6_addr_add+0x12f/0xa40 [ 6139.470275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.470275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.470275][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.470275][ T73] netlink_unicast+0x449/0x710 [ 6139.470275][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.470275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.470275][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.470275][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.470275][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.470275][ T73] [ 6139.472469][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6139.472469][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6139.472469][ T73] ipv6_find_idev+0x102/0x170 [ 6139.472469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.472469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.472469][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.472469][ T73] netlink_unicast+0x449/0x710 [ 6139.472469][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.472469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.472469][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.472469][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.472469][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.472469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.472469][ T73] [ 6139.474117][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6139.474117][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6139.474117][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6139.474117][ T73] ipv6_find_idev+0x102/0x170 [ 6139.474117][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.474117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.474117][ T73] netlink_rcv_skb+0x130/0x360 [ 6139.474117][ T73] netlink_unicast+0x449/0x710 [ 6139.474117][ T73] netlink_sendmsg+0x723/0xbe0 [ 6139.474117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6139.474117][ T73] ___sys_sendmsg+0xee/0x170 [ 6139.474117][ T73] __sys_sendmsg+0xcd/0x170 [ 6139.474117][ T73] do_syscall_64+0xc6/0x1e0 [ 6139.474117][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.474117][ T73] [ 6149.726911][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6149.727362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.727362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6149.727362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6149.727362][ T73] fib6_nh_init+0xa22/0x1580 [ 6149.727362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.727362][ T73] ip6_route_add+0x1c/0x140 [ 6149.727362][ T73] inet6_rtm_newroute+0x104/0x110 [ 6149.727362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.727362][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.727362][ T73] netlink_unicast+0x449/0x710 [ 6149.727362][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.727362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.727362][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.727362][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.727362][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.727362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.727362][ T73] [ 6149.729248][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.729248][ T73] dst_init+0x84/0x4a0 [ 6149.729248][ T73] dst_alloc+0x97/0x150 [ 6149.729248][ T73] ip6_dst_alloc+0x23/0x90 [ 6149.729248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6149.729248][ T73] ip6_pol_route+0x56f/0x840 [ 6149.729248][ T73] fib6_rule_lookup+0x456/0x630 [ 6149.729248][ T73] ip6_route_input+0x59c/0xa50 [ 6149.729248][ T73] ipv6_rcv+0x397/0x810 [ 6149.729248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6149.729248][ T73] process_backlog+0x101/0x620 [ 6149.729248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6149.729248][ T73] net_rx_action+0x495/0xbe0 [ 6149.729248][ T73] __do_softirq+0x1b5/0x7f6 [ 6149.729248][ T73] [ 6149.730884][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.730884][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.730884][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.730884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.730884][ T73] ip6_route_add+0x1c/0x140 [ 6149.730884][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6149.730884][ T73] inet6_addr_add+0x4f8/0xa40 [ 6149.730884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.730884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.730884][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.730884][ T73] netlink_unicast+0x449/0x710 [ 6149.730884][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.730884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.730884][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.730884][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.730884][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.730884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.730884][ T73] [ 6149.732892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.732892][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.732892][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.732892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.732892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6149.732892][ T73] ipv6_add_addr+0x411/0x2000 [ 6149.732892][ T73] inet6_addr_add+0x30e/0xa40 [ 6149.732892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.732892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.732892][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.732892][ T73] netlink_unicast+0x449/0x710 [ 6149.732892][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.732892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.732892][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.732892][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.732892][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.732892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.732892][ T73] [ 6149.734901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.734901][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.734901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.734901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.734901][ T73] ip6_route_add+0x1c/0x140 [ 6149.734901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6149.734901][ T73] addrconf_add_dev+0xe2/0x170 [ 6149.734901][ T73] inet6_addr_add+0x12f/0xa40 [ 6149.734901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.734901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.734901][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.734901][ T73] netlink_unicast+0x449/0x710 [ 6149.734901][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.734901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.734901][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.734901][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.734901][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.734901][ T73] [ 6149.736858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.736858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6149.736858][ T73] ipv6_find_idev+0x102/0x170 [ 6149.736858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.736858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.736858][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.736858][ T73] netlink_unicast+0x449/0x710 [ 6149.736858][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.736858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.736858][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.736858][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.736858][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.736858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.736858][ T73] [ 6149.738388][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6149.738388][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6149.738388][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6149.738388][ T73] ipv6_find_idev+0x102/0x170 [ 6149.738388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.738388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.738388][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.738388][ T73] netlink_unicast+0x449/0x710 [ 6149.738388][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.738388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.738388][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.738388][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.738388][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.738388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.738388][ T73] [ 6149.740070][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6149.740341][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.740341][ T73] dst_init+0x84/0x4a0 [ 6149.740341][ T73] dst_alloc+0x97/0x150 [ 6149.740341][ T73] ip6_dst_alloc+0x23/0x90 [ 6149.740341][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6149.740341][ T73] ip6_pol_route+0x56f/0x840 [ 6149.740341][ T73] fib6_rule_lookup+0x456/0x630 [ 6149.740341][ T73] ip6_route_input+0x59c/0xa50 [ 6149.740341][ T73] ipv6_rcv+0x397/0x810 [ 6149.740341][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6149.740341][ T73] process_backlog+0x101/0x620 [ 6149.740341][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6149.740341][ T73] net_rx_action+0x495/0xbe0 [ 6149.740341][ T73] __do_softirq+0x1b5/0x7f6 [ 6149.740341][ T73] [ 6149.741987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.741987][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.741987][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.741987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.741987][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6149.741987][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6149.741987][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6149.741987][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6149.741987][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6149.741987][ T73] addrconf_dad_begin+0x310/0x670 [ 6149.741987][ T73] addrconf_dad_work+0x10b/0xab0 [ 6149.741987][ T73] process_one_work+0x84d/0x18a0 [ 6149.741987][ T73] worker_thread+0x587/0xd30 [ 6149.741987][ T73] kthread+0x28a/0x350 [ 6149.741987][ T73] ret_from_fork+0x31/0x70 [ 6149.741987][ T73] ret_from_fork_asm+0x1a/0x30 [ 6149.741987][ T73] [ 6149.743892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.743892][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.743892][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.743892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.743892][ T73] ip6_route_add+0x1c/0x140 [ 6149.743892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6149.743892][ T73] inet6_addr_add+0x4f8/0xa40 [ 6149.743892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.743892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.743892][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.743892][ T73] netlink_unicast+0x449/0x710 [ 6149.743892][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.743892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.743892][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.743892][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.743892][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.743892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.743892][ T73] [ 6149.745881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.745881][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.745881][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.745881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.745881][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6149.745881][ T73] ipv6_add_addr+0x411/0x2000 [ 6149.745881][ T73] inet6_addr_add+0x30e/0xa40 [ 6149.745881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.745881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.745881][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.745881][ T73] netlink_unicast+0x449/0x710 [ 6149.745881][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.745881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.745881][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.745881][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.745881][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.745881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.745881][ T73] [ 6149.747865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.747865][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.747865][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.747865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.747865][ T73] ip6_route_add+0x1c/0x140 [ 6149.747865][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6149.747865][ T73] addrconf_add_dev+0xe2/0x170 [ 6149.747865][ T73] inet6_addr_add+0x12f/0xa40 [ 6149.747865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.747865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.747865][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.747865][ T73] netlink_unicast+0x449/0x710 [ 6149.747865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.747865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.747865][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.747865][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.747865][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.747865][ T73] [ 6149.749817][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.749817][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6149.749817][ T73] ipv6_find_idev+0x102/0x170 [ 6149.749817][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.749817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.749817][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.749817][ T73] netlink_unicast+0x449/0x710 [ 6149.749817][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.749817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.749817][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.749817][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.749817][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.749817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.749817][ T73] [ 6149.751347][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6149.751347][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6149.751347][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6149.751347][ T73] ipv6_find_idev+0x102/0x170 [ 6149.751347][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.751347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.751347][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.751347][ T73] netlink_unicast+0x449/0x710 [ 6149.751347][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.751347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.751347][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.751347][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.751347][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.751347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.751347][ T73] [ 6149.753091][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6149.753423][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.753423][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6149.753423][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6149.753423][ T73] fib6_nh_init+0xa22/0x1580 [ 6149.753423][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.753423][ T73] ip6_route_add+0x1c/0x140 [ 6149.753423][ T73] inet6_rtm_newroute+0x104/0x110 [ 6149.753423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.753423][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.753423][ T73] netlink_unicast+0x449/0x710 [ 6149.753423][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.753423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.753423][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.753423][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.753423][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.753423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.753423][ T73] [ 6149.755408][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.755408][ T73] dst_init+0x84/0x4a0 [ 6149.755408][ T73] dst_alloc+0x97/0x150 [ 6149.755408][ T73] ip6_dst_alloc+0x23/0x90 [ 6149.755408][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6149.755408][ T73] ip6_pol_route+0x56f/0x840 [ 6149.755408][ T73] fib6_rule_lookup+0x456/0x630 [ 6149.755408][ T73] ip6_route_input+0x59c/0xa50 [ 6149.755408][ T73] ipv6_rcv+0x397/0x810 [ 6149.755408][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6149.755408][ T73] process_backlog+0x101/0x620 [ 6149.755408][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6149.755408][ T73] net_rx_action+0x495/0xbe0 [ 6149.755408][ T73] __do_softirq+0x1b5/0x7f6 [ 6149.755408][ T73] [ 6149.757275][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.757275][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.757275][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.757275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.757275][ T73] ip6_route_add+0x1c/0x140 [ 6149.757275][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6149.757275][ T73] inet6_addr_add+0x4f8/0xa40 [ 6149.757275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.757275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.757275][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.757275][ T73] netlink_unicast+0x449/0x710 [ 6149.757275][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.757275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.757275][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.757275][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.757275][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.757275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.757275][ T73] [ 6149.759516][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.759516][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.759516][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.759516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.759516][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6149.759516][ T73] ipv6_add_addr+0x411/0x2000 [ 6149.759516][ T73] inet6_addr_add+0x30e/0xa40 [ 6149.759516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.759516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.759516][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.759516][ T73] netlink_unicast+0x449/0x710 [ 6149.759516][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.759516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.759516][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.759516][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.759516][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.759516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.759516][ T73] [ 6149.761686][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.761686][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.761686][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.761686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.761686][ T73] ip6_route_add+0x1c/0x140 [ 6149.761686][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6149.761686][ T73] addrconf_add_dev+0xe2/0x170 [ 6149.761686][ T73] inet6_addr_add+0x12f/0xa40 [ 6149.761686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.761686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.761686][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.761686][ T73] netlink_unicast+0x449/0x710 [ 6149.761686][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.761686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.761686][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.761686][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.761686][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.761686][ T73] [ 6149.763886][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.763886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6149.763886][ T73] ipv6_find_idev+0x102/0x170 [ 6149.763886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.763886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.763886][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.763886][ T73] netlink_unicast+0x449/0x710 [ 6149.763886][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.763886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.763886][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.763886][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.763886][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.763886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.763886][ T73] [ 6149.765665][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6149.765665][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6149.765665][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6149.765665][ T73] ipv6_find_idev+0x102/0x170 [ 6149.765665][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.765665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.765665][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.765665][ T73] netlink_unicast+0x449/0x710 [ 6149.765665][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.765665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.765665][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.765665][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.765665][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.765665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.765665][ T73] [ 6149.767518][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6149.767793][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6149.767793][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.767793][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.767793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.767793][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6149.767793][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6149.767793][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6149.767793][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6149.767793][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6149.767793][ T73] addrconf_dad_begin+0x310/0x670 [ 6149.767793][ T73] addrconf_dad_work+0x10b/0xab0 [ 6149.767793][ T73] process_one_work+0x84d/0x18a0 [ 6149.767793][ T73] worker_thread+0x587/0xd30 [ 6149.767793][ T73] kthread+0x28a/0x350 [ 6149.767793][ T73] ret_from_fork+0x31/0x70 [ 6149.767793][ T73] ret_from_fork_asm+0x1a/0x30 [ 6149.767793][ T73] [ 6149.769934][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6149.769934][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.769934][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.769934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.769934][ T73] ip6_route_add+0x1c/0x140 [ 6149.769934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6149.769934][ T73] inet6_addr_add+0x4f8/0xa40 [ 6149.769934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.769934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.769934][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.769934][ T73] netlink_unicast+0x449/0x710 [ 6149.769934][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.769934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.769934][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.769934][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.769934][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.769934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.769934][ T73] [ 6149.772187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6149.772187][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.772187][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.772187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.772187][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6149.772187][ T73] ipv6_add_addr+0x411/0x2000 [ 6149.772187][ T73] inet6_addr_add+0x30e/0xa40 [ 6149.772187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.772187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.772187][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.772187][ T73] netlink_unicast+0x449/0x710 [ 6149.772187][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.772187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.772187][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.772187][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.772187][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.772187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.772187][ T73] [ 6149.774424][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6149.774424][ T73] netdev_get_by_index+0x5e/0x80 [ 6149.774424][ T73] fib6_nh_init+0x3d8/0x1580 [ 6149.774424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6149.774424][ T73] ip6_route_add+0x1c/0x140 [ 6149.774424][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6149.774424][ T73] addrconf_add_dev+0xe2/0x170 [ 6149.774424][ T73] inet6_addr_add+0x12f/0xa40 [ 6149.774424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.774424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.774424][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.774424][ T73] netlink_unicast+0x449/0x710 [ 6149.774424][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.774424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.774424][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.774424][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.774424][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.774424][ T73] [ 6149.776685][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6149.776685][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6149.776685][ T73] ipv6_find_idev+0x102/0x170 [ 6149.776685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.776685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.776685][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.776685][ T73] netlink_unicast+0x449/0x710 [ 6149.776685][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.776685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.776685][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.776685][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.776685][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.776685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.776685][ T73] [ 6149.778449][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6149.778449][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6149.778449][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6149.778449][ T73] ipv6_find_idev+0x102/0x170 [ 6149.778449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.778449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.778449][ T73] netlink_rcv_skb+0x130/0x360 [ 6149.778449][ T73] netlink_unicast+0x449/0x710 [ 6149.778449][ T73] netlink_sendmsg+0x723/0xbe0 [ 6149.778449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6149.778449][ T73] ___sys_sendmsg+0xee/0x170 [ 6149.778449][ T73] __sys_sendmsg+0xcd/0x170 [ 6149.778449][ T73] do_syscall_64+0xc6/0x1e0 [ 6149.778449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.778449][ T73] [ 6160.030905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6160.031360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.031360][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6160.031360][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6160.031360][ T73] fib6_nh_init+0xa22/0x1580 [ 6160.031360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.031360][ T73] ip6_route_add+0x1c/0x140 [ 6160.031360][ T73] inet6_rtm_newroute+0x104/0x110 [ 6160.031360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.031360][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.031360][ T73] netlink_unicast+0x449/0x710 [ 6160.031360][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.031360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.031360][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.031360][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.031360][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.031360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.031360][ T73] [ 6160.033257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.033257][ T73] dst_init+0x84/0x4a0 [ 6160.033257][ T73] dst_alloc+0x97/0x150 [ 6160.033257][ T73] ip6_dst_alloc+0x23/0x90 [ 6160.033257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6160.033257][ T73] ip6_pol_route+0x56f/0x840 [ 6160.033257][ T73] fib6_rule_lookup+0x456/0x630 [ 6160.033257][ T73] ip6_route_input+0x59c/0xa50 [ 6160.033257][ T73] ipv6_rcv+0x397/0x810 [ 6160.033257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6160.033257][ T73] process_backlog+0x101/0x620 [ 6160.033257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6160.033257][ T73] net_rx_action+0x495/0xbe0 [ 6160.033257][ T73] __do_softirq+0x1b5/0x7f6 [ 6160.033257][ T73] [ 6160.034909][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.034909][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.034909][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.034909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.034909][ T73] ip6_route_add+0x1c/0x140 [ 6160.034909][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6160.034909][ T73] inet6_addr_add+0x4f8/0xa40 [ 6160.034909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.034909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.034909][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.034909][ T73] netlink_unicast+0x449/0x710 [ 6160.034909][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.034909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.034909][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.034909][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.034909][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.034909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.034909][ T73] [ 6160.036895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.036895][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.036895][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.036895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.036895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6160.036895][ T73] ipv6_add_addr+0x411/0x2000 [ 6160.036895][ T73] inet6_addr_add+0x30e/0xa40 [ 6160.036895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.036895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.036895][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.036895][ T73] netlink_unicast+0x449/0x710 [ 6160.036895][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.036895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.036895][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.036895][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.036895][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.036895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.036895][ T73] [ 6160.038879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.038879][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.038879][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.038879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.038879][ T73] ip6_route_add+0x1c/0x140 [ 6160.038879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6160.038879][ T73] addrconf_add_dev+0xe2/0x170 [ 6160.038879][ T73] inet6_addr_add+0x12f/0xa40 [ 6160.038879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.038879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.038879][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.038879][ T73] netlink_unicast+0x449/0x710 [ 6160.038879][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.038879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.038879][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.038879][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.038879][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.038879][ T73] [ 6160.040840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.040840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6160.040840][ T73] ipv6_find_idev+0x102/0x170 [ 6160.040840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.040840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.040840][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.040840][ T73] netlink_unicast+0x449/0x710 [ 6160.040840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.040840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.040840][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.040840][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.040840][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.040840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.040840][ T73] [ 6160.042387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6160.042387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6160.042387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6160.042387][ T73] ipv6_find_idev+0x102/0x170 [ 6160.042387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.042387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.042387][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.042387][ T73] netlink_unicast+0x449/0x710 [ 6160.042387][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.042387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.042387][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.042387][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.042387][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.042387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.042387][ T73] [ 6160.044072][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6160.044352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.044352][ T73] dst_init+0x84/0x4a0 [ 6160.044352][ T73] dst_alloc+0x97/0x150 [ 6160.044352][ T73] ip6_dst_alloc+0x23/0x90 [ 6160.044352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6160.044352][ T73] ip6_pol_route+0x56f/0x840 [ 6160.044352][ T73] fib6_rule_lookup+0x456/0x630 [ 6160.044352][ T73] ip6_route_input+0x59c/0xa50 [ 6160.044352][ T73] ipv6_rcv+0x397/0x810 [ 6160.044352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6160.044352][ T73] process_backlog+0x101/0x620 [ 6160.044352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6160.044352][ T73] net_rx_action+0x495/0xbe0 [ 6160.044352][ T73] __do_softirq+0x1b5/0x7f6 [ 6160.044352][ T73] [ 6160.045982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.045982][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.045982][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.045982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.045982][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6160.045982][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6160.045982][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6160.045982][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6160.045982][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6160.045982][ T73] addrconf_dad_begin+0x310/0x670 [ 6160.045982][ T73] addrconf_dad_work+0x10b/0xab0 [ 6160.045982][ T73] process_one_work+0x84d/0x18a0 [ 6160.045982][ T73] worker_thread+0x587/0xd30 [ 6160.045982][ T73] kthread+0x28a/0x350 [ 6160.045982][ T73] ret_from_fork+0x31/0x70 [ 6160.045982][ T73] ret_from_fork_asm+0x1a/0x30 [ 6160.045982][ T73] [ 6160.047886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.047886][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.047886][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.047886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.047886][ T73] ip6_route_add+0x1c/0x140 [ 6160.047886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6160.047886][ T73] inet6_addr_add+0x4f8/0xa40 [ 6160.047886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.047886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.047886][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.047886][ T73] netlink_unicast+0x449/0x710 [ 6160.047886][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.047886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.047886][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.047886][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.047886][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.047886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.047886][ T73] [ 6160.049897][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.049897][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.049897][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.049897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.049897][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6160.049897][ T73] ipv6_add_addr+0x411/0x2000 [ 6160.049897][ T73] inet6_addr_add+0x30e/0xa40 [ 6160.049897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.049897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.049897][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.049897][ T73] netlink_unicast+0x449/0x710 [ 6160.049897][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.049897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.049897][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.049897][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.049897][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.049897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.049897][ T73] [ 6160.051888][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.051888][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.051888][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.051888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.051888][ T73] ip6_route_add+0x1c/0x140 [ 6160.051888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6160.051888][ T73] addrconf_add_dev+0xe2/0x170 [ 6160.051888][ T73] inet6_addr_add+0x12f/0xa40 [ 6160.051888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.051888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.051888][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.051888][ T73] netlink_unicast+0x449/0x710 [ 6160.051888][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.051888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.051888][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.051888][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.051888][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.051888][ T73] [ 6160.053861][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.053861][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6160.053861][ T73] ipv6_find_idev+0x102/0x170 [ 6160.053861][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.053861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.053861][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.053861][ T73] netlink_unicast+0x449/0x710 [ 6160.053861][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.053861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.053861][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.053861][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.053861][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.053861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.053861][ T73] [ 6160.055385][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6160.055385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6160.055385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6160.055385][ T73] ipv6_find_idev+0x102/0x170 [ 6160.055385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.055385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.055385][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.055385][ T73] netlink_unicast+0x449/0x710 [ 6160.055385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.055385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.055385][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.055385][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.055385][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.055385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.055385][ T73] [ 6160.057134][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6160.057468][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.057468][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6160.057468][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6160.057468][ T73] fib6_nh_init+0xa22/0x1580 [ 6160.057468][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.057468][ T73] ip6_route_add+0x1c/0x140 [ 6160.057468][ T73] inet6_rtm_newroute+0x104/0x110 [ 6160.057468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.057468][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.057468][ T73] netlink_unicast+0x449/0x710 [ 6160.057468][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.057468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.057468][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.057468][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.057468][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.057468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.057468][ T73] [ 6160.059530][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.059530][ T73] dst_init+0x84/0x4a0 [ 6160.059530][ T73] dst_alloc+0x97/0x150 [ 6160.059530][ T73] ip6_dst_alloc+0x23/0x90 [ 6160.059530][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6160.059530][ T73] ip6_pol_route+0x56f/0x840 [ 6160.059530][ T73] fib6_rule_lookup+0x456/0x630 [ 6160.059530][ T73] ip6_route_input+0x59c/0xa50 [ 6160.059530][ T73] ipv6_rcv+0x397/0x810 [ 6160.059530][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6160.059530][ T73] process_backlog+0x101/0x620 [ 6160.059530][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6160.059530][ T73] net_rx_action+0x495/0xbe0 [ 6160.059530][ T73] __do_softirq+0x1b5/0x7f6 [ 6160.059530][ T73] [ 6160.061335][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.061335][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.061335][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.061335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.061335][ T73] ip6_route_add+0x1c/0x140 [ 6160.061335][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6160.061335][ T73] inet6_addr_add+0x4f8/0xa40 [ 6160.061335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.061335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.061335][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.061335][ T73] netlink_unicast+0x449/0x710 [ 6160.061335][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.061335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.061335][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.061335][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.061335][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.061335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.061335][ T73] [ 6160.063569][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.063569][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.063569][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.063569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.063569][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6160.063569][ T73] ipv6_add_addr+0x411/0x2000 [ 6160.063569][ T73] inet6_addr_add+0x30e/0xa40 [ 6160.063569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.063569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.063569][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.063569][ T73] netlink_unicast+0x449/0x710 [ 6160.063569][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.063569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.063569][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.063569][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.063569][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.063569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.063569][ T73] [ 6160.065795][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.065795][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.065795][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.065795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.065795][ T73] ip6_route_add+0x1c/0x140 [ 6160.065795][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6160.065795][ T73] addrconf_add_dev+0xe2/0x170 [ 6160.065795][ T73] inet6_addr_add+0x12f/0xa40 [ 6160.065795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.065795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.065795][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.065795][ T73] netlink_unicast+0x449/0x710 [ 6160.065795][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.065795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.065795][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.065795][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.065795][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.065795][ T73] [ 6160.068048][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.068048][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6160.068048][ T73] ipv6_find_idev+0x102/0x170 [ 6160.068048][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.068048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.068048][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.068048][ T73] netlink_unicast+0x449/0x710 [ 6160.068048][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.068048][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.068048][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.068048][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.068048][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.068048][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.068048][ T73] [ 6160.069756][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6160.069756][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6160.069756][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6160.069756][ T73] ipv6_find_idev+0x102/0x170 [ 6160.069756][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.069756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.069756][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.069756][ T73] netlink_unicast+0x449/0x710 [ 6160.069756][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.069756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.069756][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.069756][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.069756][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.069756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.069756][ T73] [ 6160.071612][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6160.072391][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6160.072391][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.072391][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.072391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.072391][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6160.072391][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6160.072391][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6160.072391][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6160.072391][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6160.072391][ T73] addrconf_dad_begin+0x310/0x670 [ 6160.072391][ T73] addrconf_dad_work+0x10b/0xab0 [ 6160.072391][ T73] process_one_work+0x84d/0x18a0 [ 6160.072391][ T73] worker_thread+0x587/0xd30 [ 6160.072391][ T73] kthread+0x28a/0x350 [ 6160.072391][ T73] ret_from_fork+0x31/0x70 [ 6160.072391][ T73] ret_from_fork_asm+0x1a/0x30 [ 6160.072391][ T73] [ 6160.074292][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6160.074292][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.074292][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.074292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.074292][ T73] ip6_route_add+0x1c/0x140 [ 6160.074292][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6160.074292][ T73] inet6_addr_add+0x4f8/0xa40 [ 6160.074292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.074292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.074292][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.074292][ T73] netlink_unicast+0x449/0x710 [ 6160.074292][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.074292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.074292][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.074292][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.074292][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.074292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.074292][ T73] [ 6160.076338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6160.076338][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.076338][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.076338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.076338][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6160.076338][ T73] ipv6_add_addr+0x411/0x2000 [ 6160.076338][ T73] inet6_addr_add+0x30e/0xa40 [ 6160.076338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.076338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.076338][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.076338][ T73] netlink_unicast+0x449/0x710 [ 6160.076338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.076338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.076338][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.076338][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.076338][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.076338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.076338][ T73] [ 6160.079096][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6160.079096][ T73] netdev_get_by_index+0x5e/0x80 [ 6160.079096][ T73] fib6_nh_init+0x3d8/0x1580 [ 6160.079096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6160.079096][ T73] ip6_route_add+0x1c/0x140 [ 6160.079096][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6160.079096][ T73] addrconf_add_dev+0xe2/0x170 [ 6160.079096][ T73] inet6_addr_add+0x12f/0xa40 [ 6160.079096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6160.079096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.079096][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.079096][ T73] netlink_unicast+0x449/0x710 [ 6160.079096][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.079096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.079096][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.079096][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.079096][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.079096][ T73] [ 6160.081171][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6160.081171][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6160.081171][ T73] ipv6_find_idev+0x102/0x170 [ 6160.081171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.081171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.081171][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.081171][ T73] netlink_unicast+0x449/0x710 [ 6160.081171][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.081171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.081171][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.081171][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.081171][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.081171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.081171][ T73] [ 6160.082779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6160.082779][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6160.082779][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6160.082779][ T73] ipv6_find_idev+0x102/0x170 [ 6160.082779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6160.082779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6160.082779][ T73] netlink_rcv_skb+0x130/0x360 [ 6160.082779][ T73] netlink_unicast+0x449/0x710 [ 6160.082779][ T73] netlink_sendmsg+0x723/0xbe0 [ 6160.082779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6160.082779][ T73] ___sys_sendmsg+0xee/0x170 [ 6160.082779][ T73] __sys_sendmsg+0xcd/0x170 [ 6160.082779][ T73] do_syscall_64+0xc6/0x1e0 [ 6160.082779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6160.082779][ T73] [ 6170.335025][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6170.335488][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.335488][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6170.335488][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6170.335488][ T73] fib6_nh_init+0xa22/0x1580 [ 6170.335488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.335488][ T73] ip6_route_add+0x1c/0x140 [ 6170.335488][ T73] inet6_rtm_newroute+0x104/0x110 [ 6170.335488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.335488][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.335488][ T73] netlink_unicast+0x449/0x710 [ 6170.335488][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.335488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.335488][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.335488][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.335488][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.335488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.335488][ T73] [ 6170.337756][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.337756][ T73] dst_init+0x84/0x4a0 [ 6170.337756][ T73] dst_alloc+0x97/0x150 [ 6170.337756][ T73] ip6_dst_alloc+0x23/0x90 [ 6170.337756][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6170.337756][ T73] ip6_pol_route+0x56f/0x840 [ 6170.337756][ T73] fib6_rule_lookup+0x456/0x630 [ 6170.337756][ T73] ip6_route_input+0x59c/0xa50 [ 6170.337756][ T73] ipv6_rcv+0x397/0x810 [ 6170.337756][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6170.337756][ T73] process_backlog+0x101/0x620 [ 6170.337756][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6170.337756][ T73] net_rx_action+0x495/0xbe0 [ 6170.337756][ T73] __do_softirq+0x1b5/0x7f6 [ 6170.337756][ T73] [ 6170.339394][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.339394][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.339394][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.339394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.339394][ T73] ip6_route_add+0x1c/0x140 [ 6170.339394][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6170.339394][ T73] inet6_addr_add+0x4f8/0xa40 [ 6170.339394][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.339394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.339394][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.339394][ T73] netlink_unicast+0x449/0x710 [ 6170.339394][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.339394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.339394][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.339394][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.339394][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.339394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.339394][ T73] [ 6170.341387][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.341387][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.341387][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.341387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.341387][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6170.341387][ T73] ipv6_add_addr+0x411/0x2000 [ 6170.341387][ T73] inet6_addr_add+0x30e/0xa40 [ 6170.341387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.341387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.341387][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.341387][ T73] netlink_unicast+0x449/0x710 [ 6170.341387][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.341387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.341387][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.341387][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.341387][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.341387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.341387][ T73] [ 6170.343381][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.343381][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.343381][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.343381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.343381][ T73] ip6_route_add+0x1c/0x140 [ 6170.343381][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6170.343381][ T73] addrconf_add_dev+0xe2/0x170 [ 6170.343381][ T73] inet6_addr_add+0x12f/0xa40 [ 6170.343381][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.343381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.343381][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.343381][ T73] netlink_unicast+0x449/0x710 [ 6170.343381][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.343381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.343381][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.343381][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.343381][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.343381][ T73] [ 6170.345336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.345336][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6170.345336][ T73] ipv6_find_idev+0x102/0x170 [ 6170.345336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.345336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.345336][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.345336][ T73] netlink_unicast+0x449/0x710 [ 6170.345336][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.345336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.345336][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.345336][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.345336][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.345336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.345336][ T73] [ 6170.346865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6170.346865][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6170.346865][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6170.346865][ T73] ipv6_find_idev+0x102/0x170 [ 6170.346865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.346865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.346865][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.346865][ T73] netlink_unicast+0x449/0x710 [ 6170.346865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.346865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.346865][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.346865][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.346865][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.346865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.346865][ T73] [ 6170.348569][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6170.348851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.348851][ T73] dst_init+0x84/0x4a0 [ 6170.348851][ T73] dst_alloc+0x97/0x150 [ 6170.348851][ T73] ip6_dst_alloc+0x23/0x90 [ 6170.348851][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6170.348851][ T73] ip6_pol_route+0x56f/0x840 [ 6170.348851][ T73] fib6_rule_lookup+0x456/0x630 [ 6170.348851][ T73] ip6_route_input+0x59c/0xa50 [ 6170.348851][ T73] ipv6_rcv+0x397/0x810 [ 6170.348851][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6170.348851][ T73] process_backlog+0x101/0x620 [ 6170.348851][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6170.348851][ T73] net_rx_action+0x495/0xbe0 [ 6170.348851][ T73] __do_softirq+0x1b5/0x7f6 [ 6170.348851][ T73] [ 6170.350489][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.350489][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.350489][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.350489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.350489][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6170.350489][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6170.350489][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6170.350489][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6170.350489][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6170.350489][ T73] addrconf_dad_begin+0x310/0x670 [ 6170.350489][ T73] addrconf_dad_work+0x10b/0xab0 [ 6170.350489][ T73] process_one_work+0x84d/0x18a0 [ 6170.350489][ T73] worker_thread+0x587/0xd30 [ 6170.350489][ T73] kthread+0x28a/0x350 [ 6170.350489][ T73] ret_from_fork+0x31/0x70 [ 6170.350489][ T73] ret_from_fork_asm+0x1a/0x30 [ 6170.350489][ T73] [ 6170.352397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.352397][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.352397][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.352397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.352397][ T73] ip6_route_add+0x1c/0x140 [ 6170.352397][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6170.352397][ T73] inet6_addr_add+0x4f8/0xa40 [ 6170.352397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.352397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.352397][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.352397][ T73] netlink_unicast+0x449/0x710 [ 6170.352397][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.352397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.352397][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.352397][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.352397][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.352397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.352397][ T73] [ 6170.354391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.354391][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.354391][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.354391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.354391][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6170.354391][ T73] ipv6_add_addr+0x411/0x2000 [ 6170.354391][ T73] inet6_addr_add+0x30e/0xa40 [ 6170.354391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.354391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.354391][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.354391][ T73] netlink_unicast+0x449/0x710 [ 6170.354391][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.354391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.354391][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.354391][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.354391][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.354391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.354391][ T73] [ 6170.356385][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.356385][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.356385][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.356385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.356385][ T73] ip6_route_add+0x1c/0x140 [ 6170.356385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6170.356385][ T73] addrconf_add_dev+0xe2/0x170 [ 6170.356385][ T73] inet6_addr_add+0x12f/0xa40 [ 6170.356385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.356385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.356385][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.356385][ T73] netlink_unicast+0x449/0x710 [ 6170.356385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.356385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.356385][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.356385][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.356385][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.356385][ T73] [ 6170.358342][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.358342][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6170.358342][ T73] ipv6_find_idev+0x102/0x170 [ 6170.358342][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.358342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.358342][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.358342][ T73] netlink_unicast+0x449/0x710 [ 6170.358342][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.358342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.358342][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.358342][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.358342][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.358342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.358342][ T73] [ 6170.359871][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6170.359871][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6170.359871][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6170.359871][ T73] ipv6_find_idev+0x102/0x170 [ 6170.359871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.359871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.359871][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.359871][ T73] netlink_unicast+0x449/0x710 [ 6170.359871][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.359871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.359871][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.359871][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.359871][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.359871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.359871][ T73] [ 6170.361620][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6170.361966][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.361966][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6170.361966][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6170.361966][ T73] fib6_nh_init+0xa22/0x1580 [ 6170.361966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.361966][ T73] ip6_route_add+0x1c/0x140 [ 6170.361966][ T73] inet6_rtm_newroute+0x104/0x110 [ 6170.361966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.361966][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.361966][ T73] netlink_unicast+0x449/0x710 [ 6170.361966][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.361966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.361966][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.361966][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.361966][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.361966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.361966][ T73] [ 6170.363963][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.363963][ T73] dst_init+0x84/0x4a0 [ 6170.363963][ T73] dst_alloc+0x97/0x150 [ 6170.363963][ T73] ip6_dst_alloc+0x23/0x90 [ 6170.363963][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6170.363963][ T73] ip6_pol_route+0x56f/0x840 [ 6170.363963][ T73] fib6_rule_lookup+0x456/0x630 [ 6170.363963][ T73] ip6_route_input+0x59c/0xa50 [ 6170.363963][ T73] ipv6_rcv+0x397/0x810 [ 6170.363963][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6170.363963][ T73] process_backlog+0x101/0x620 [ 6170.363963][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6170.363963][ T73] net_rx_action+0x495/0xbe0 [ 6170.363963][ T73] __do_softirq+0x1b5/0x7f6 [ 6170.363963][ T73] [ 6170.365764][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.365764][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.365764][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.365764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.365764][ T73] ip6_route_add+0x1c/0x140 [ 6170.365764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6170.365764][ T73] inet6_addr_add+0x4f8/0xa40 [ 6170.365764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.365764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.365764][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.365764][ T73] netlink_unicast+0x449/0x710 [ 6170.365764][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.365764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.365764][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.365764][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.365764][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.365764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.365764][ T73] [ 6170.367992][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.367992][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.367992][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.367992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.367992][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6170.367992][ T73] ipv6_add_addr+0x411/0x2000 [ 6170.367992][ T73] inet6_addr_add+0x30e/0xa40 [ 6170.367992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.367992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.367992][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.367992][ T73] netlink_unicast+0x449/0x710 [ 6170.367992][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.367992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.367992][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.367992][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.367992][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.367992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.367992][ T73] [ 6170.370231][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.370231][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.370231][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.370231][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.370231][ T73] ip6_route_add+0x1c/0x140 [ 6170.370231][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6170.370231][ T73] addrconf_add_dev+0xe2/0x170 [ 6170.370231][ T73] inet6_addr_add+0x12f/0xa40 [ 6170.370231][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.370231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.370231][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.370231][ T73] netlink_unicast+0x449/0x710 [ 6170.370231][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.370231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.370231][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.370231][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.370231][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.370231][ T73] [ 6170.372435][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.372435][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6170.372435][ T73] ipv6_find_idev+0x102/0x170 [ 6170.372435][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.372435][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.372435][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.372435][ T73] netlink_unicast+0x449/0x710 [ 6170.372435][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.372435][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.372435][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.372435][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.372435][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.372435][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.372435][ T73] [ 6170.374149][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6170.374149][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6170.374149][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6170.374149][ T73] ipv6_find_idev+0x102/0x170 [ 6170.374149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.374149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.374149][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.374149][ T73] netlink_unicast+0x449/0x710 [ 6170.374149][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.374149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.374149][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.374149][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.374149][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.374149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.374149][ T73] [ 6170.375998][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6170.376268][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6170.376268][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.376268][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.376268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.376268][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6170.376268][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6170.376268][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6170.376268][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6170.376268][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6170.376268][ T73] addrconf_dad_begin+0x310/0x670 [ 6170.376268][ T73] addrconf_dad_work+0x10b/0xab0 [ 6170.376268][ T73] process_one_work+0x84d/0x18a0 [ 6170.376268][ T73] worker_thread+0x587/0xd30 [ 6170.376268][ T73] kthread+0x28a/0x350 [ 6170.376268][ T73] ret_from_fork+0x31/0x70 [ 6170.376268][ T73] ret_from_fork_asm+0x1a/0x30 [ 6170.376268][ T73] [ 6170.378477][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6170.378477][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.378477][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.378477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.378477][ T73] ip6_route_add+0x1c/0x140 [ 6170.378477][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6170.378477][ T73] inet6_addr_add+0x4f8/0xa40 [ 6170.378477][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.378477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.378477][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.378477][ T73] netlink_unicast+0x449/0x710 [ 6170.378477][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.378477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.378477][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.378477][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.378477][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.378477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.378477][ T73] [ 6170.380705][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6170.380705][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.380705][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.380705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.380705][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6170.380705][ T73] ipv6_add_addr+0x411/0x2000 [ 6170.380705][ T73] inet6_addr_add+0x30e/0xa40 [ 6170.380705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.380705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.380705][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.380705][ T73] netlink_unicast+0x449/0x710 [ 6170.380705][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.380705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.380705][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.380705][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.380705][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.380705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.380705][ T73] [ 6170.382945][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6170.382945][ T73] netdev_get_by_index+0x5e/0x80 [ 6170.382945][ T73] fib6_nh_init+0x3d8/0x1580 [ 6170.382945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6170.382945][ T73] ip6_route_add+0x1c/0x140 [ 6170.382945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6170.382945][ T73] addrconf_add_dev+0xe2/0x170 [ 6170.382945][ T73] inet6_addr_add+0x12f/0xa40 [ 6170.382945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6170.382945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.382945][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.382945][ T73] netlink_unicast+0x449/0x710 [ 6170.382945][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.382945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.382945][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.382945][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.382945][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.382945][ T73] [ 6170.385017][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6170.385017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6170.385017][ T73] ipv6_find_idev+0x102/0x170 [ 6170.385017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.385017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.385017][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.385017][ T73] netlink_unicast+0x449/0x710 [ 6170.385017][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.385017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.385017][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.385017][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.385017][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.385017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.385017][ T73] [ 6170.386620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6170.386620][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6170.386620][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6170.386620][ T73] ipv6_find_idev+0x102/0x170 [ 6170.386620][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6170.386620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6170.386620][ T73] netlink_rcv_skb+0x130/0x360 [ 6170.386620][ T73] netlink_unicast+0x449/0x710 [ 6170.386620][ T73] netlink_sendmsg+0x723/0xbe0 [ 6170.386620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6170.386620][ T73] ___sys_sendmsg+0xee/0x170 [ 6170.386620][ T73] __sys_sendmsg+0xcd/0x170 [ 6170.386620][ T73] do_syscall_64+0xc6/0x1e0 [ 6170.386620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6170.386620][ T73] [ 6180.630895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6180.631349][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.631349][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6180.631349][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6180.631349][ T73] fib6_nh_init+0xa22/0x1580 [ 6180.631349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.631349][ T73] ip6_route_add+0x1c/0x140 [ 6180.631349][ T73] inet6_rtm_newroute+0x104/0x110 [ 6180.631349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.631349][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.631349][ T73] netlink_unicast+0x449/0x710 [ 6180.631349][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.631349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.631349][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.631349][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.631349][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.631349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.631349][ T73] [ 6180.633236][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.633236][ T73] dst_init+0x84/0x4a0 [ 6180.633236][ T73] dst_alloc+0x97/0x150 [ 6180.633236][ T73] ip6_dst_alloc+0x23/0x90 [ 6180.633236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6180.633236][ T73] ip6_pol_route+0x56f/0x840 [ 6180.633236][ T73] fib6_rule_lookup+0x456/0x630 [ 6180.633236][ T73] ip6_route_input+0x59c/0xa50 [ 6180.633236][ T73] ipv6_rcv+0x397/0x810 [ 6180.633236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6180.633236][ T73] process_backlog+0x101/0x620 [ 6180.633236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6180.633236][ T73] net_rx_action+0x495/0xbe0 [ 6180.633236][ T73] __do_softirq+0x1b5/0x7f6 [ 6180.633236][ T73] [ 6180.634869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.634869][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.634869][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.634869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.634869][ T73] ip6_route_add+0x1c/0x140 [ 6180.634869][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6180.634869][ T73] inet6_addr_add+0x4f8/0xa40 [ 6180.634869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.634869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.634869][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.634869][ T73] netlink_unicast+0x449/0x710 [ 6180.634869][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.634869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.634869][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.634869][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.634869][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.634869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.634869][ T73] [ 6180.636863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.636863][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.636863][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.636863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.636863][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6180.636863][ T73] ipv6_add_addr+0x411/0x2000 [ 6180.636863][ T73] inet6_addr_add+0x30e/0xa40 [ 6180.636863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.636863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.636863][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.636863][ T73] netlink_unicast+0x449/0x710 [ 6180.636863][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.636863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.636863][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.636863][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.636863][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.636863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.636863][ T73] [ 6180.638844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.638844][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.638844][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.638844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.638844][ T73] ip6_route_add+0x1c/0x140 [ 6180.638844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6180.638844][ T73] addrconf_add_dev+0xe2/0x170 [ 6180.638844][ T73] inet6_addr_add+0x12f/0xa40 [ 6180.638844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.638844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.638844][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.638844][ T73] netlink_unicast+0x449/0x710 [ 6180.638844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.638844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.638844][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.638844][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.638844][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.638844][ T73] [ 6180.640806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.640806][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6180.640806][ T73] ipv6_find_idev+0x102/0x170 [ 6180.640806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.640806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.640806][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.640806][ T73] netlink_unicast+0x449/0x710 [ 6180.640806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.640806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.640806][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.640806][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.640806][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.640806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.640806][ T73] [ 6180.642338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6180.642338][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6180.642338][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6180.642338][ T73] ipv6_find_idev+0x102/0x170 [ 6180.642338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.642338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.642338][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.642338][ T73] netlink_unicast+0x449/0x710 [ 6180.642338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.642338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.642338][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.642338][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.642338][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.642338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.642338][ T73] [ 6180.644015][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6180.644292][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.644292][ T73] dst_init+0x84/0x4a0 [ 6180.644292][ T73] dst_alloc+0x97/0x150 [ 6180.644292][ T73] ip6_dst_alloc+0x23/0x90 [ 6180.644292][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6180.644292][ T73] ip6_pol_route+0x56f/0x840 [ 6180.644292][ T73] fib6_rule_lookup+0x456/0x630 [ 6180.644292][ T73] ip6_route_input+0x59c/0xa50 [ 6180.644292][ T73] ipv6_rcv+0x397/0x810 [ 6180.644292][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6180.644292][ T73] process_backlog+0x101/0x620 [ 6180.644292][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6180.644292][ T73] net_rx_action+0x495/0xbe0 [ 6180.644292][ T73] __do_softirq+0x1b5/0x7f6 [ 6180.644292][ T73] [ 6180.645931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.645931][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.645931][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.645931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.645931][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6180.645931][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6180.645931][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6180.645931][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6180.645931][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6180.645931][ T73] addrconf_dad_begin+0x310/0x670 [ 6180.645931][ T73] addrconf_dad_work+0x10b/0xab0 [ 6180.645931][ T73] process_one_work+0x84d/0x18a0 [ 6180.645931][ T73] worker_thread+0x587/0xd30 [ 6180.645931][ T73] kthread+0x28a/0x350 [ 6180.645931][ T73] ret_from_fork+0x31/0x70 [ 6180.645931][ T73] ret_from_fork_asm+0x1a/0x30 [ 6180.645931][ T73] [ 6180.647838][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.647838][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.647838][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.647838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.647838][ T73] ip6_route_add+0x1c/0x140 [ 6180.647838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6180.647838][ T73] inet6_addr_add+0x4f8/0xa40 [ 6180.647838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.647838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.647838][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.647838][ T73] netlink_unicast+0x449/0x710 [ 6180.647838][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.647838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.647838][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.647838][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.647838][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.647838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.647838][ T73] [ 6180.649843][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.649843][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.649843][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.649843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.649843][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6180.649843][ T73] ipv6_add_addr+0x411/0x2000 [ 6180.649843][ T73] inet6_addr_add+0x30e/0xa40 [ 6180.649843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.649843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.649843][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.649843][ T73] netlink_unicast+0x449/0x710 [ 6180.649843][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.649843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.649843][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.649843][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.649843][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.649843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.649843][ T73] [ 6180.651831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.651831][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.651831][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.651831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.651831][ T73] ip6_route_add+0x1c/0x140 [ 6180.651831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6180.651831][ T73] addrconf_add_dev+0xe2/0x170 [ 6180.651831][ T73] inet6_addr_add+0x12f/0xa40 [ 6180.651831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.651831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.651831][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.651831][ T73] netlink_unicast+0x449/0x710 [ 6180.651831][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.651831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.651831][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.651831][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.651831][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.651831][ T73] [ 6180.653795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.653795][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6180.653795][ T73] ipv6_find_idev+0x102/0x170 [ 6180.653795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.653795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.653795][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.653795][ T73] netlink_unicast+0x449/0x710 [ 6180.653795][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.653795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.653795][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.653795][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.653795][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.653795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.653795][ T73] [ 6180.655320][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6180.655320][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6180.655320][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6180.655320][ T73] ipv6_find_idev+0x102/0x170 [ 6180.655320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.655320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.655320][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.655320][ T73] netlink_unicast+0x449/0x710 [ 6180.655320][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.655320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.655320][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.655320][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.655320][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.655320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.655320][ T73] [ 6180.657062][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6180.657406][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.657406][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6180.657406][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6180.657406][ T73] fib6_nh_init+0xa22/0x1580 [ 6180.657406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.657406][ T73] ip6_route_add+0x1c/0x140 [ 6180.657406][ T73] inet6_rtm_newroute+0x104/0x110 [ 6180.657406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.657406][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.657406][ T73] netlink_unicast+0x449/0x710 [ 6180.657406][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.657406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.657406][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.657406][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.657406][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.657406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.657406][ T73] [ 6180.659453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.659453][ T73] dst_init+0x84/0x4a0 [ 6180.659453][ T73] dst_alloc+0x97/0x150 [ 6180.659453][ T73] ip6_dst_alloc+0x23/0x90 [ 6180.659453][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6180.659453][ T73] ip6_pol_route+0x56f/0x840 [ 6180.659453][ T73] fib6_rule_lookup+0x456/0x630 [ 6180.659453][ T73] ip6_route_input+0x59c/0xa50 [ 6180.659453][ T73] ipv6_rcv+0x397/0x810 [ 6180.659453][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6180.659453][ T73] process_backlog+0x101/0x620 [ 6180.659453][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6180.659453][ T73] net_rx_action+0x495/0xbe0 [ 6180.659453][ T73] __do_softirq+0x1b5/0x7f6 [ 6180.659453][ T73] [ 6180.661260][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.661260][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.661260][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.661260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.661260][ T73] ip6_route_add+0x1c/0x140 [ 6180.661260][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6180.661260][ T73] inet6_addr_add+0x4f8/0xa40 [ 6180.661260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.661260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.661260][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.661260][ T73] netlink_unicast+0x449/0x710 [ 6180.661260][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.661260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.661260][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.661260][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.661260][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.661260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.661260][ T73] [ 6180.663489][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.663489][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.663489][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.663489][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.663489][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6180.663489][ T73] ipv6_add_addr+0x411/0x2000 [ 6180.663489][ T73] inet6_addr_add+0x30e/0xa40 [ 6180.663489][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.663489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.663489][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.663489][ T73] netlink_unicast+0x449/0x710 [ 6180.663489][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.663489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.663489][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.663489][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.663489][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.663489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.663489][ T73] [ 6180.665717][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.665717][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.665717][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.665717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.665717][ T73] ip6_route_add+0x1c/0x140 [ 6180.665717][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6180.665717][ T73] addrconf_add_dev+0xe2/0x170 [ 6180.665717][ T73] inet6_addr_add+0x12f/0xa40 [ 6180.665717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.665717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.665717][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.665717][ T73] netlink_unicast+0x449/0x710 [ 6180.665717][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.665717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.665717][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.665717][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.665717][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.665717][ T73] [ 6180.667964][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.667964][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6180.667964][ T73] ipv6_find_idev+0x102/0x170 [ 6180.667964][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.667964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.667964][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.667964][ T73] netlink_unicast+0x449/0x710 [ 6180.667964][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.667964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.667964][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.667964][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.667964][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.667964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.667964][ T73] [ 6180.669670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6180.669670][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6180.669670][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6180.669670][ T73] ipv6_find_idev+0x102/0x170 [ 6180.669670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.669670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.669670][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.669670][ T73] netlink_unicast+0x449/0x710 [ 6180.669670][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.669670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.669670][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.669670][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.669670][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.669670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.669670][ T73] [ 6180.671524][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6180.671790][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6180.671790][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.671790][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.671790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.671790][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6180.671790][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6180.671790][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6180.671790][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6180.671790][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6180.671790][ T73] addrconf_dad_begin+0x310/0x670 [ 6180.671790][ T73] addrconf_dad_work+0x10b/0xab0 [ 6180.671790][ T73] process_one_work+0x84d/0x18a0 [ 6180.671790][ T73] worker_thread+0x587/0xd30 [ 6180.671790][ T73] kthread+0x28a/0x350 [ 6180.671790][ T73] ret_from_fork+0x31/0x70 [ 6180.671790][ T73] ret_from_fork_asm+0x1a/0x30 [ 6180.671790][ T73] [ 6180.674461][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6180.674461][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.674461][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.674461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.674461][ T73] ip6_route_add+0x1c/0x140 [ 6180.674461][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6180.674461][ T73] inet6_addr_add+0x4f8/0xa40 [ 6180.674461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.674461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.674461][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.674461][ T73] netlink_unicast+0x449/0x710 [ 6180.674461][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.674461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.674461][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.674461][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.674461][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.674461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.674461][ T73] [ 6180.676692][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6180.676692][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.676692][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.676692][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.676692][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6180.676692][ T73] ipv6_add_addr+0x411/0x2000 [ 6180.676692][ T73] inet6_addr_add+0x30e/0xa40 [ 6180.676692][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.676692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.676692][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.676692][ T73] netlink_unicast+0x449/0x710 [ 6180.676692][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.676692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.676692][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.676692][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.676692][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.676692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.676692][ T73] [ 6180.678977][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6180.678977][ T73] netdev_get_by_index+0x5e/0x80 [ 6180.678977][ T73] fib6_nh_init+0x3d8/0x1580 [ 6180.678977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6180.678977][ T73] ip6_route_add+0x1c/0x140 [ 6180.678977][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6180.678977][ T73] addrconf_add_dev+0xe2/0x170 [ 6180.678977][ T73] inet6_addr_add+0x12f/0xa40 [ 6180.678977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6180.678977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.678977][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.678977][ T73] netlink_unicast+0x449/0x710 [ 6180.678977][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.678977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.678977][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.678977][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.678977][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.678977][ T73] [ 6180.681103][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6180.681103][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6180.681103][ T73] ipv6_find_idev+0x102/0x170 [ 6180.681103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.681103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.681103][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.681103][ T73] netlink_unicast+0x449/0x710 [ 6180.681103][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.681103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.681103][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.681103][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.681103][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.681103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.681103][ T73] [ 6180.682812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6180.682812][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6180.682812][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6180.682812][ T73] ipv6_find_idev+0x102/0x170 [ 6180.682812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6180.682812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6180.682812][ T73] netlink_rcv_skb+0x130/0x360 [ 6180.682812][ T73] netlink_unicast+0x449/0x710 [ 6180.682812][ T73] netlink_sendmsg+0x723/0xbe0 [ 6180.682812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6180.682812][ T73] ___sys_sendmsg+0xee/0x170 [ 6180.682812][ T73] __sys_sendmsg+0xcd/0x170 [ 6180.682812][ T73] do_syscall_64+0xc6/0x1e0 [ 6180.682812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6180.682812][ T73] [ 6190.839043][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6190.839514][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.839514][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6190.839514][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6190.839514][ T73] fib6_nh_init+0xa22/0x1580 [ 6190.839514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.839514][ T73] ip6_route_add+0x1c/0x140 [ 6190.839514][ T73] inet6_rtm_newroute+0x104/0x110 [ 6190.839514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.839514][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.839514][ T73] netlink_unicast+0x449/0x710 [ 6190.839514][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.839514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.839514][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.839514][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.839514][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.839514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.839514][ T73] [ 6190.841434][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.841434][ T73] dst_init+0x84/0x4a0 [ 6190.841434][ T73] dst_alloc+0x97/0x150 [ 6190.841434][ T73] ip6_dst_alloc+0x23/0x90 [ 6190.841434][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6190.841434][ T73] ip6_pol_route+0x56f/0x840 [ 6190.841434][ T73] fib6_rule_lookup+0x456/0x630 [ 6190.841434][ T73] ip6_route_input+0x59c/0xa50 [ 6190.841434][ T73] ipv6_rcv+0x397/0x810 [ 6190.841434][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6190.841434][ T73] process_backlog+0x101/0x620 [ 6190.841434][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6190.841434][ T73] net_rx_action+0x495/0xbe0 [ 6190.841434][ T73] __do_softirq+0x1b5/0x7f6 [ 6190.841434][ T73] [ 6190.843469][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.843469][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.843469][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.843469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.843469][ T73] ip6_route_add+0x1c/0x140 [ 6190.843469][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6190.843469][ T73] inet6_addr_add+0x4f8/0xa40 [ 6190.843469][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.843469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.843469][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.843469][ T73] netlink_unicast+0x449/0x710 [ 6190.843469][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.843469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.843469][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.843469][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.843469][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.843469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.843469][ T73] [ 6190.845479][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.845479][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.845479][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.845479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.845479][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6190.845479][ T73] ipv6_add_addr+0x411/0x2000 [ 6190.845479][ T73] inet6_addr_add+0x30e/0xa40 [ 6190.845479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.845479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.845479][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.845479][ T73] netlink_unicast+0x449/0x710 [ 6190.845479][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.845479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.845479][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.845479][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.845479][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.845479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.845479][ T73] [ 6190.847486][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.847486][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.847486][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.847486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.847486][ T73] ip6_route_add+0x1c/0x140 [ 6190.847486][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6190.847486][ T73] addrconf_add_dev+0xe2/0x170 [ 6190.847486][ T73] inet6_addr_add+0x12f/0xa40 [ 6190.847486][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.847486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.847486][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.847486][ T73] netlink_unicast+0x449/0x710 [ 6190.847486][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.847486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.847486][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.847486][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.847486][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.847486][ T73] [ 6190.849460][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.849460][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6190.849460][ T73] ipv6_find_idev+0x102/0x170 [ 6190.849460][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.849460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.849460][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.849460][ T73] netlink_unicast+0x449/0x710 [ 6190.849460][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.849460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.849460][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.849460][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.849460][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.849460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.849460][ T73] [ 6190.851008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6190.851008][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6190.851008][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6190.851008][ T73] ipv6_find_idev+0x102/0x170 [ 6190.851008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.851008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.851008][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.851008][ T73] netlink_unicast+0x449/0x710 [ 6190.851008][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.851008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.851008][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.851008][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.851008][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.851008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.851008][ T73] [ 6190.852740][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6190.853028][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.853028][ T73] dst_init+0x84/0x4a0 [ 6190.853028][ T73] dst_alloc+0x97/0x150 [ 6190.853028][ T73] ip6_dst_alloc+0x23/0x90 [ 6190.853028][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6190.853028][ T73] ip6_pol_route+0x56f/0x840 [ 6190.853028][ T73] fib6_rule_lookup+0x456/0x630 [ 6190.853028][ T73] ip6_route_input+0x59c/0xa50 [ 6190.853028][ T73] ipv6_rcv+0x397/0x810 [ 6190.853028][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6190.853028][ T73] process_backlog+0x101/0x620 [ 6190.853028][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6190.853028][ T73] net_rx_action+0x495/0xbe0 [ 6190.853028][ T73] __do_softirq+0x1b5/0x7f6 [ 6190.853028][ T73] [ 6190.854677][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.854677][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.854677][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.854677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.854677][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6190.854677][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6190.854677][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6190.854677][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6190.854677][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6190.854677][ T73] addrconf_dad_begin+0x310/0x670 [ 6190.854677][ T73] addrconf_dad_work+0x10b/0xab0 [ 6190.854677][ T73] process_one_work+0x84d/0x18a0 [ 6190.854677][ T73] worker_thread+0x587/0xd30 [ 6190.854677][ T73] kthread+0x28a/0x350 [ 6190.854677][ T73] ret_from_fork+0x31/0x70 [ 6190.854677][ T73] ret_from_fork_asm+0x1a/0x30 [ 6190.854677][ T73] [ 6190.856592][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.856592][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.856592][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.856592][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.856592][ T73] ip6_route_add+0x1c/0x140 [ 6190.856592][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6190.856592][ T73] inet6_addr_add+0x4f8/0xa40 [ 6190.856592][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.856592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.856592][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.856592][ T73] netlink_unicast+0x449/0x710 [ 6190.856592][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.856592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.856592][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.856592][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.856592][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.856592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.856592][ T73] [ 6190.858595][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.858595][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.858595][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.858595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.858595][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6190.858595][ T73] ipv6_add_addr+0x411/0x2000 [ 6190.858595][ T73] inet6_addr_add+0x30e/0xa40 [ 6190.858595][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.858595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.858595][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.858595][ T73] netlink_unicast+0x449/0x710 [ 6190.858595][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.858595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.858595][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.858595][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.858595][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.858595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.858595][ T73] [ 6190.860597][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.860597][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.860597][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.860597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.860597][ T73] ip6_route_add+0x1c/0x140 [ 6190.860597][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6190.860597][ T73] addrconf_add_dev+0xe2/0x170 [ 6190.860597][ T73] inet6_addr_add+0x12f/0xa40 [ 6190.860597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.860597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.860597][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.860597][ T73] netlink_unicast+0x449/0x710 [ 6190.860597][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.860597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.860597][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.860597][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.860597][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.860597][ T73] [ 6190.862575][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.862575][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6190.862575][ T73] ipv6_find_idev+0x102/0x170 [ 6190.862575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.862575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.862575][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.862575][ T73] netlink_unicast+0x449/0x710 [ 6190.862575][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.862575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.862575][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.862575][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.862575][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.862575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.862575][ T73] [ 6190.864123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6190.864123][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6190.864123][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6190.864123][ T73] ipv6_find_idev+0x102/0x170 [ 6190.864123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.864123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.864123][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.864123][ T73] netlink_unicast+0x449/0x710 [ 6190.864123][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.864123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.864123][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.864123][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.864123][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.864123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.864123][ T73] [ 6190.866473][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6190.866801][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.866801][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6190.866801][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6190.866801][ T73] fib6_nh_init+0xa22/0x1580 [ 6190.866801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.866801][ T73] ip6_route_add+0x1c/0x140 [ 6190.866801][ T73] inet6_rtm_newroute+0x104/0x110 [ 6190.866801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.866801][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.866801][ T73] netlink_unicast+0x449/0x710 [ 6190.866801][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.866801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.866801][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.866801][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.866801][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.866801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.866801][ T73] [ 6190.869248][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.869248][ T73] dst_init+0x84/0x4a0 [ 6190.869248][ T73] dst_alloc+0x97/0x150 [ 6190.869248][ T73] ip6_dst_alloc+0x23/0x90 [ 6190.869248][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6190.869248][ T73] ip6_pol_route+0x56f/0x840 [ 6190.869248][ T73] fib6_rule_lookup+0x456/0x630 [ 6190.869248][ T73] ip6_route_input+0x59c/0xa50 [ 6190.869248][ T73] ipv6_rcv+0x397/0x810 [ 6190.869248][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6190.869248][ T73] process_backlog+0x101/0x620 [ 6190.869248][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6190.869248][ T73] net_rx_action+0x495/0xbe0 [ 6190.869248][ T73] __do_softirq+0x1b5/0x7f6 [ 6190.869248][ T73] [ 6190.871082][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.871082][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.871082][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.871082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.871082][ T73] ip6_route_add+0x1c/0x140 [ 6190.871082][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6190.871082][ T73] inet6_addr_add+0x4f8/0xa40 [ 6190.871082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.871082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.871082][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.871082][ T73] netlink_unicast+0x449/0x710 [ 6190.871082][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.871082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.871082][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.871082][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.871082][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.871082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.871082][ T73] [ 6190.873395][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.873395][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.873395][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.873395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.873395][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6190.873395][ T73] ipv6_add_addr+0x411/0x2000 [ 6190.873395][ T73] inet6_addr_add+0x30e/0xa40 [ 6190.873395][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.873395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.873395][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.873395][ T73] netlink_unicast+0x449/0x710 [ 6190.873395][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.873395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.873395][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.873395][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.873395][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.873395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.873395][ T73] [ 6190.875642][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.875642][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.875642][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.875642][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.875642][ T73] ip6_route_add+0x1c/0x140 [ 6190.875642][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6190.875642][ T73] addrconf_add_dev+0xe2/0x170 [ 6190.875642][ T73] inet6_addr_add+0x12f/0xa40 [ 6190.875642][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.875642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.875642][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.875642][ T73] netlink_unicast+0x449/0x710 [ 6190.875642][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.875642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.875642][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.875642][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.875642][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.875642][ T73] [ 6190.877844][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.877844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6190.877844][ T73] ipv6_find_idev+0x102/0x170 [ 6190.877844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.877844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.877844][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.877844][ T73] netlink_unicast+0x449/0x710 [ 6190.877844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.877844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.877844][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.877844][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.877844][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.877844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.877844][ T73] [ 6190.879568][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6190.879568][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6190.879568][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6190.879568][ T73] ipv6_find_idev+0x102/0x170 [ 6190.879568][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.879568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.879568][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.879568][ T73] netlink_unicast+0x449/0x710 [ 6190.879568][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.879568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.879568][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.879568][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.879568][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.879568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.879568][ T73] [ 6190.881803][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6190.882082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6190.882082][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.882082][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.882082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.882082][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6190.882082][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6190.882082][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6190.882082][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6190.882082][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6190.882082][ T73] addrconf_dad_begin+0x310/0x670 [ 6190.882082][ T73] addrconf_dad_work+0x10b/0xab0 [ 6190.882082][ T73] process_one_work+0x84d/0x18a0 [ 6190.882082][ T73] worker_thread+0x587/0xd30 [ 6190.882082][ T73] kthread+0x28a/0x350 [ 6190.882082][ T73] ret_from_fork+0x31/0x70 [ 6190.882082][ T73] ret_from_fork_asm+0x1a/0x30 [ 6190.882082][ T73] [ 6190.884315][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6190.884315][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.884315][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.884315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.884315][ T73] ip6_route_add+0x1c/0x140 [ 6190.884315][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6190.884315][ T73] inet6_addr_add+0x4f8/0xa40 [ 6190.884315][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.884315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.884315][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.884315][ T73] netlink_unicast+0x449/0x710 [ 6190.884315][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.884315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.884315][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.884315][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.884315][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.884315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.884315][ T73] [ 6190.886561][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6190.886561][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.886561][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.886561][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.886561][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6190.886561][ T73] ipv6_add_addr+0x411/0x2000 [ 6190.886561][ T73] inet6_addr_add+0x30e/0xa40 [ 6190.886561][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.886561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.886561][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.886561][ T73] netlink_unicast+0x449/0x710 [ 6190.886561][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.886561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.886561][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.886561][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.886561][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.886561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.886561][ T73] [ 6190.888808][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6190.888808][ T73] netdev_get_by_index+0x5e/0x80 [ 6190.888808][ T73] fib6_nh_init+0x3d8/0x1580 [ 6190.888808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6190.888808][ T73] ip6_route_add+0x1c/0x140 [ 6190.888808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6190.888808][ T73] addrconf_add_dev+0xe2/0x170 [ 6190.888808][ T73] inet6_addr_add+0x12f/0xa40 [ 6190.888808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.888808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.888808][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.888808][ T73] netlink_unicast+0x449/0x710 [ 6190.888808][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.888808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.888808][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.888808][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.888808][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.888808][ T73] [ 6190.890961][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6190.890961][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6190.890961][ T73] ipv6_find_idev+0x102/0x170 [ 6190.890961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.890961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.890961][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.890961][ T73] netlink_unicast+0x449/0x710 [ 6190.890961][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.890961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.890961][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.890961][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.890961][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.890961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.890961][ T73] [ 6190.892754][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6190.892754][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6190.892754][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6190.892754][ T73] ipv6_find_idev+0x102/0x170 [ 6190.892754][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.892754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.892754][ T73] netlink_rcv_skb+0x130/0x360 [ 6190.892754][ T73] netlink_unicast+0x449/0x710 [ 6190.892754][ T73] netlink_sendmsg+0x723/0xbe0 [ 6190.892754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6190.892754][ T73] ___sys_sendmsg+0xee/0x170 [ 6190.892754][ T73] __sys_sendmsg+0xcd/0x170 [ 6190.892754][ T73] do_syscall_64+0xc6/0x1e0 [ 6190.892754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.892754][ T73] [ 6201.030899][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6201.031349][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.031349][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6201.031349][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6201.031349][ T73] fib6_nh_init+0xa22/0x1580 [ 6201.031349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.031349][ T73] ip6_route_add+0x1c/0x140 [ 6201.031349][ T73] inet6_rtm_newroute+0x104/0x110 [ 6201.031349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.031349][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.031349][ T73] netlink_unicast+0x449/0x710 [ 6201.031349][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.031349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.031349][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.031349][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.031349][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.031349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.031349][ T73] [ 6201.033251][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.033251][ T73] dst_init+0x84/0x4a0 [ 6201.033251][ T73] dst_alloc+0x97/0x150 [ 6201.033251][ T73] ip6_dst_alloc+0x23/0x90 [ 6201.033251][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6201.033251][ T73] ip6_pol_route+0x56f/0x840 [ 6201.033251][ T73] fib6_rule_lookup+0x456/0x630 [ 6201.033251][ T73] ip6_route_input+0x59c/0xa50 [ 6201.033251][ T73] ipv6_rcv+0x397/0x810 [ 6201.033251][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6201.033251][ T73] process_backlog+0x101/0x620 [ 6201.033251][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6201.033251][ T73] net_rx_action+0x495/0xbe0 [ 6201.033251][ T73] __do_softirq+0x1b5/0x7f6 [ 6201.033251][ T73] [ 6201.034887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.034887][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.034887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.034887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.034887][ T73] ip6_route_add+0x1c/0x140 [ 6201.034887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6201.034887][ T73] inet6_addr_add+0x4f8/0xa40 [ 6201.034887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.034887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.034887][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.034887][ T73] netlink_unicast+0x449/0x710 [ 6201.034887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.034887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.034887][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.034887][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.034887][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.034887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.034887][ T73] [ 6201.036885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.036885][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.036885][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.036885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.036885][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6201.036885][ T73] ipv6_add_addr+0x411/0x2000 [ 6201.036885][ T73] inet6_addr_add+0x30e/0xa40 [ 6201.036885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.036885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.036885][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.036885][ T73] netlink_unicast+0x449/0x710 [ 6201.036885][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.036885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.036885][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.036885][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.036885][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.036885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.036885][ T73] [ 6201.038877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.038877][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.038877][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.038877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.038877][ T73] ip6_route_add+0x1c/0x140 [ 6201.038877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6201.038877][ T73] addrconf_add_dev+0xe2/0x170 [ 6201.038877][ T73] inet6_addr_add+0x12f/0xa40 [ 6201.038877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.038877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.038877][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.038877][ T73] netlink_unicast+0x449/0x710 [ 6201.038877][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.038877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.038877][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.038877][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.038877][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.038877][ T73] [ 6201.040846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.040846][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6201.040846][ T73] ipv6_find_idev+0x102/0x170 [ 6201.040846][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.040846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.040846][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.040846][ T73] netlink_unicast+0x449/0x710 [ 6201.040846][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.040846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.040846][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.040846][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.040846][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.040846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.040846][ T73] [ 6201.042383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6201.042383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6201.042383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6201.042383][ T73] ipv6_find_idev+0x102/0x170 [ 6201.042383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.042383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.042383][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.042383][ T73] netlink_unicast+0x449/0x710 [ 6201.042383][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.042383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.042383][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.042383][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.042383][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.042383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.042383][ T73] [ 6201.044060][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6201.044327][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.044327][ T73] dst_init+0x84/0x4a0 [ 6201.044327][ T73] dst_alloc+0x97/0x150 [ 6201.044327][ T73] ip6_dst_alloc+0x23/0x90 [ 6201.044327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6201.044327][ T73] ip6_pol_route+0x56f/0x840 [ 6201.044327][ T73] fib6_rule_lookup+0x456/0x630 [ 6201.044327][ T73] ip6_route_input+0x59c/0xa50 [ 6201.044327][ T73] ipv6_rcv+0x397/0x810 [ 6201.044327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6201.044327][ T73] process_backlog+0x101/0x620 [ 6201.044327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6201.044327][ T73] net_rx_action+0x495/0xbe0 [ 6201.044327][ T73] __do_softirq+0x1b5/0x7f6 [ 6201.044327][ T73] [ 6201.045974][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.045974][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.045974][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.045974][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.045974][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6201.045974][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6201.045974][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6201.045974][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6201.045974][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6201.045974][ T73] addrconf_dad_begin+0x310/0x670 [ 6201.045974][ T73] addrconf_dad_work+0x10b/0xab0 [ 6201.045974][ T73] process_one_work+0x84d/0x18a0 [ 6201.045974][ T73] worker_thread+0x587/0xd30 [ 6201.045974][ T73] kthread+0x28a/0x350 [ 6201.045974][ T73] ret_from_fork+0x31/0x70 [ 6201.045974][ T73] ret_from_fork_asm+0x1a/0x30 [ 6201.045974][ T73] [ 6201.047876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.047876][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.047876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.047876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.047876][ T73] ip6_route_add+0x1c/0x140 [ 6201.047876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6201.047876][ T73] inet6_addr_add+0x4f8/0xa40 [ 6201.047876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.047876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.047876][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.047876][ T73] netlink_unicast+0x449/0x710 [ 6201.047876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.047876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.047876][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.047876][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.047876][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.047876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.047876][ T73] [ 6201.049860][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.049860][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.049860][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.049860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.049860][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6201.049860][ T73] ipv6_add_addr+0x411/0x2000 [ 6201.049860][ T73] inet6_addr_add+0x30e/0xa40 [ 6201.049860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.049860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.049860][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.049860][ T73] netlink_unicast+0x449/0x710 [ 6201.049860][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.049860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.049860][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.049860][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.049860][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.049860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.049860][ T73] [ 6201.051841][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.051841][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.051841][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.051841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.051841][ T73] ip6_route_add+0x1c/0x140 [ 6201.051841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6201.051841][ T73] addrconf_add_dev+0xe2/0x170 [ 6201.051841][ T73] inet6_addr_add+0x12f/0xa40 [ 6201.051841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.051841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.051841][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.051841][ T73] netlink_unicast+0x449/0x710 [ 6201.051841][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.051841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.051841][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.051841][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.051841][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.051841][ T73] [ 6201.053792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.053792][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6201.053792][ T73] ipv6_find_idev+0x102/0x170 [ 6201.053792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.053792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.053792][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.053792][ T73] netlink_unicast+0x449/0x710 [ 6201.053792][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.053792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.053792][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.053792][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.053792][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.053792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.053792][ T73] [ 6201.055322][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6201.055322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6201.055322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6201.055322][ T73] ipv6_find_idev+0x102/0x170 [ 6201.055322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.055322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.055322][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.055322][ T73] netlink_unicast+0x449/0x710 [ 6201.055322][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.055322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.055322][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.055322][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.055322][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.055322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.055322][ T73] [ 6201.057057][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6201.057453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.057453][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6201.057453][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6201.057453][ T73] fib6_nh_init+0xa22/0x1580 [ 6201.057453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.057453][ T73] ip6_route_add+0x1c/0x140 [ 6201.057453][ T73] inet6_rtm_newroute+0x104/0x110 [ 6201.057453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.057453][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.057453][ T73] netlink_unicast+0x449/0x710 [ 6201.057453][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.057453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.057453][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.057453][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.057453][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.057453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.057453][ T73] [ 6201.059498][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.059498][ T73] dst_init+0x84/0x4a0 [ 6201.059498][ T73] dst_alloc+0x97/0x150 [ 6201.059498][ T73] ip6_dst_alloc+0x23/0x90 [ 6201.059498][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6201.059498][ T73] ip6_pol_route+0x56f/0x840 [ 6201.059498][ T73] fib6_rule_lookup+0x456/0x630 [ 6201.059498][ T73] ip6_route_input+0x59c/0xa50 [ 6201.059498][ T73] ipv6_rcv+0x397/0x810 [ 6201.059498][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6201.059498][ T73] process_backlog+0x101/0x620 [ 6201.059498][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6201.059498][ T73] net_rx_action+0x495/0xbe0 [ 6201.059498][ T73] __do_softirq+0x1b5/0x7f6 [ 6201.059498][ T73] [ 6201.061312][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.061312][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.061312][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.061312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.061312][ T73] ip6_route_add+0x1c/0x140 [ 6201.061312][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6201.061312][ T73] inet6_addr_add+0x4f8/0xa40 [ 6201.061312][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.061312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.061312][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.061312][ T73] netlink_unicast+0x449/0x710 [ 6201.061312][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.061312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.061312][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.061312][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.061312][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.061312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.061312][ T73] [ 6201.063542][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.063542][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.063542][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.063542][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.063542][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6201.063542][ T73] ipv6_add_addr+0x411/0x2000 [ 6201.063542][ T73] inet6_addr_add+0x30e/0xa40 [ 6201.063542][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.063542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.063542][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.063542][ T73] netlink_unicast+0x449/0x710 [ 6201.063542][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.063542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.063542][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.063542][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.063542][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.063542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.063542][ T73] [ 6201.066136][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.066136][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.066136][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.066136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.066136][ T73] ip6_route_add+0x1c/0x140 [ 6201.066136][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6201.066136][ T73] addrconf_add_dev+0xe2/0x170 [ 6201.066136][ T73] inet6_addr_add+0x12f/0xa40 [ 6201.066136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.066136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.066136][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.066136][ T73] netlink_unicast+0x449/0x710 [ 6201.066136][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.066136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.066136][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.066136][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.066136][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.066136][ T73] [ 6201.068389][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.068389][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6201.068389][ T73] ipv6_find_idev+0x102/0x170 [ 6201.068389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.068389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.068389][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.068389][ T73] netlink_unicast+0x449/0x710 [ 6201.068389][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.068389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.068389][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.068389][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.068389][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.068389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.068389][ T73] [ 6201.070094][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6201.070094][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6201.070094][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6201.070094][ T73] ipv6_find_idev+0x102/0x170 [ 6201.070094][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.070094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.070094][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.070094][ T73] netlink_unicast+0x449/0x710 [ 6201.070094][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.070094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.070094][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.070094][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.070094][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.070094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.070094][ T73] [ 6201.071959][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6201.072234][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6201.072234][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.072234][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.072234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.072234][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6201.072234][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6201.072234][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6201.072234][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6201.072234][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6201.072234][ T73] addrconf_dad_begin+0x310/0x670 [ 6201.072234][ T73] addrconf_dad_work+0x10b/0xab0 [ 6201.072234][ T73] process_one_work+0x84d/0x18a0 [ 6201.072234][ T73] worker_thread+0x587/0xd30 [ 6201.072234][ T73] kthread+0x28a/0x350 [ 6201.072234][ T73] ret_from_fork+0x31/0x70 [ 6201.072234][ T73] ret_from_fork_asm+0x1a/0x30 [ 6201.072234][ T73] [ 6201.074369][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6201.074369][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.074369][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.074369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.074369][ T73] ip6_route_add+0x1c/0x140 [ 6201.074369][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6201.074369][ T73] inet6_addr_add+0x4f8/0xa40 [ 6201.074369][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.074369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.074369][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.074369][ T73] netlink_unicast+0x449/0x710 [ 6201.074369][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.074369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.074369][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.074369][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.074369][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.074369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.074369][ T73] [ 6201.076664][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6201.076664][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.076664][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.076664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.076664][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6201.076664][ T73] ipv6_add_addr+0x411/0x2000 [ 6201.076664][ T73] inet6_addr_add+0x30e/0xa40 [ 6201.076664][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.076664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.076664][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.076664][ T73] netlink_unicast+0x449/0x710 [ 6201.076664][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.076664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.076664][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.076664][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.076664][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.076664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.076664][ T73] [ 6201.078888][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6201.078888][ T73] netdev_get_by_index+0x5e/0x80 [ 6201.078888][ T73] fib6_nh_init+0x3d8/0x1580 [ 6201.078888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6201.078888][ T73] ip6_route_add+0x1c/0x140 [ 6201.078888][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6201.078888][ T73] addrconf_add_dev+0xe2/0x170 [ 6201.078888][ T73] inet6_addr_add+0x12f/0xa40 [ 6201.078888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.078888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.078888][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.078888][ T73] netlink_unicast+0x449/0x710 [ 6201.078888][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.078888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.078888][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.078888][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.078888][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.078888][ T73] [ 6201.081014][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6201.081014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6201.081014][ T73] ipv6_find_idev+0x102/0x170 [ 6201.081014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.081014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.081014][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.081014][ T73] netlink_unicast+0x449/0x710 [ 6201.081014][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.081014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.081014][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.081014][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.081014][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.081014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.081014][ T73] [ 6201.082719][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6201.082719][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6201.082719][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6201.082719][ T73] ipv6_find_idev+0x102/0x170 [ 6201.082719][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.082719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.082719][ T73] netlink_rcv_skb+0x130/0x360 [ 6201.082719][ T73] netlink_unicast+0x449/0x710 [ 6201.082719][ T73] netlink_sendmsg+0x723/0xbe0 [ 6201.082719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6201.082719][ T73] ___sys_sendmsg+0xee/0x170 [ 6201.082719][ T73] __sys_sendmsg+0xcd/0x170 [ 6201.082719][ T73] do_syscall_64+0xc6/0x1e0 [ 6201.082719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.082719][ T73] [ 6211.286906][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6211.287385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.287385][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6211.287385][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6211.287385][ T73] fib6_nh_init+0xa22/0x1580 [ 6211.287385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.287385][ T73] ip6_route_add+0x1c/0x140 [ 6211.287385][ T73] inet6_rtm_newroute+0x104/0x110 [ 6211.287385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.287385][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.287385][ T73] netlink_unicast+0x449/0x710 [ 6211.287385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.287385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.287385][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.287385][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.287385][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.287385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.287385][ T73] [ 6211.289282][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.289282][ T73] dst_init+0x84/0x4a0 [ 6211.289282][ T73] dst_alloc+0x97/0x150 [ 6211.289282][ T73] ip6_dst_alloc+0x23/0x90 [ 6211.289282][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6211.289282][ T73] ip6_pol_route+0x56f/0x840 [ 6211.289282][ T73] fib6_rule_lookup+0x456/0x630 [ 6211.289282][ T73] ip6_route_input+0x59c/0xa50 [ 6211.289282][ T73] ipv6_rcv+0x397/0x810 [ 6211.289282][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6211.289282][ T73] process_backlog+0x101/0x620 [ 6211.289282][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6211.289282][ T73] net_rx_action+0x495/0xbe0 [ 6211.289282][ T73] __do_softirq+0x1b5/0x7f6 [ 6211.289282][ T73] [ 6211.290941][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.290941][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.290941][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.290941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.290941][ T73] ip6_route_add+0x1c/0x140 [ 6211.290941][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6211.290941][ T73] inet6_addr_add+0x4f8/0xa40 [ 6211.290941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.290941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.290941][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.290941][ T73] netlink_unicast+0x449/0x710 [ 6211.290941][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.290941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.290941][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.290941][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.290941][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.290941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.290941][ T73] [ 6211.292936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.292936][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.292936][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.292936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.292936][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6211.292936][ T73] ipv6_add_addr+0x411/0x2000 [ 6211.292936][ T73] inet6_addr_add+0x30e/0xa40 [ 6211.292936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.292936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.292936][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.292936][ T73] netlink_unicast+0x449/0x710 [ 6211.292936][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.292936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.292936][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.292936][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.292936][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.292936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.292936][ T73] [ 6211.294918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.294918][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.294918][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.294918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.294918][ T73] ip6_route_add+0x1c/0x140 [ 6211.294918][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6211.294918][ T73] addrconf_add_dev+0xe2/0x170 [ 6211.294918][ T73] inet6_addr_add+0x12f/0xa40 [ 6211.294918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.294918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.294918][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.294918][ T73] netlink_unicast+0x449/0x710 [ 6211.294918][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.294918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.294918][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.294918][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.294918][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.294918][ T73] [ 6211.296979][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.296979][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6211.296979][ T73] ipv6_find_idev+0x102/0x170 [ 6211.296979][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.296979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.296979][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.296979][ T73] netlink_unicast+0x449/0x710 [ 6211.296979][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.296979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.296979][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.296979][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.296979][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.296979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.296979][ T73] [ 6211.298510][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6211.298510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6211.298510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6211.298510][ T73] ipv6_find_idev+0x102/0x170 [ 6211.298510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.298510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.298510][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.298510][ T73] netlink_unicast+0x449/0x710 [ 6211.298510][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.298510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.298510][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.298510][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.298510][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.298510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.298510][ T73] [ 6211.300194][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6211.300471][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.300471][ T73] dst_init+0x84/0x4a0 [ 6211.300471][ T73] dst_alloc+0x97/0x150 [ 6211.300471][ T73] ip6_dst_alloc+0x23/0x90 [ 6211.300471][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6211.300471][ T73] ip6_pol_route+0x56f/0x840 [ 6211.300471][ T73] fib6_rule_lookup+0x456/0x630 [ 6211.300471][ T73] ip6_route_input+0x59c/0xa50 [ 6211.300471][ T73] ipv6_rcv+0x397/0x810 [ 6211.300471][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6211.300471][ T73] process_backlog+0x101/0x620 [ 6211.300471][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6211.300471][ T73] net_rx_action+0x495/0xbe0 [ 6211.300471][ T73] __do_softirq+0x1b5/0x7f6 [ 6211.300471][ T73] [ 6211.302129][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.302129][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.302129][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.302129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.302129][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6211.302129][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6211.302129][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6211.302129][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6211.302129][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6211.302129][ T73] addrconf_dad_begin+0x310/0x670 [ 6211.302129][ T73] addrconf_dad_work+0x10b/0xab0 [ 6211.302129][ T73] process_one_work+0x84d/0x18a0 [ 6211.302129][ T73] worker_thread+0x587/0xd30 [ 6211.302129][ T73] kthread+0x28a/0x350 [ 6211.302129][ T73] ret_from_fork+0x31/0x70 [ 6211.302129][ T73] ret_from_fork_asm+0x1a/0x30 [ 6211.302129][ T73] [ 6211.304044][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.304044][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.304044][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.304044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.304044][ T73] ip6_route_add+0x1c/0x140 [ 6211.304044][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6211.304044][ T73] inet6_addr_add+0x4f8/0xa40 [ 6211.304044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.304044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.304044][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.304044][ T73] netlink_unicast+0x449/0x710 [ 6211.304044][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.304044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.304044][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.304044][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.304044][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.304044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.304044][ T73] [ 6211.306029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.306029][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.306029][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.306029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.306029][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6211.306029][ T73] ipv6_add_addr+0x411/0x2000 [ 6211.306029][ T73] inet6_addr_add+0x30e/0xa40 [ 6211.306029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.306029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.306029][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.306029][ T73] netlink_unicast+0x449/0x710 [ 6211.306029][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.306029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.306029][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.306029][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.306029][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.306029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.306029][ T73] [ 6211.308014][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.308014][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.308014][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.308014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.308014][ T73] ip6_route_add+0x1c/0x140 [ 6211.308014][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6211.308014][ T73] addrconf_add_dev+0xe2/0x170 [ 6211.308014][ T73] inet6_addr_add+0x12f/0xa40 [ 6211.308014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.308014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.308014][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.308014][ T73] netlink_unicast+0x449/0x710 [ 6211.308014][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.308014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.308014][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.308014][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.308014][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.308014][ T73] [ 6211.309968][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.309968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6211.309968][ T73] ipv6_find_idev+0x102/0x170 [ 6211.309968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.309968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.309968][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.309968][ T73] netlink_unicast+0x449/0x710 [ 6211.309968][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.309968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.309968][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.309968][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.309968][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.309968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.309968][ T73] [ 6211.311518][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6211.311518][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6211.311518][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6211.311518][ T73] ipv6_find_idev+0x102/0x170 [ 6211.311518][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.311518][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.311518][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.311518][ T73] netlink_unicast+0x449/0x710 [ 6211.311518][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.311518][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.311518][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.311518][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.311518][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.311518][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.311518][ T73] [ 6211.313320][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6211.313644][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.313644][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6211.313644][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6211.313644][ T73] fib6_nh_init+0xa22/0x1580 [ 6211.313644][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.313644][ T73] ip6_route_add+0x1c/0x140 [ 6211.313644][ T73] inet6_rtm_newroute+0x104/0x110 [ 6211.313644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.313644][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.313644][ T73] netlink_unicast+0x449/0x710 [ 6211.313644][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.313644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.313644][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.313644][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.313644][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.313644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.313644][ T73] [ 6211.315701][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.315701][ T73] dst_init+0x84/0x4a0 [ 6211.315701][ T73] dst_alloc+0x97/0x150 [ 6211.315701][ T73] ip6_dst_alloc+0x23/0x90 [ 6211.315701][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6211.315701][ T73] ip6_pol_route+0x56f/0x840 [ 6211.315701][ T73] fib6_rule_lookup+0x456/0x630 [ 6211.315701][ T73] ip6_route_input+0x59c/0xa50 [ 6211.315701][ T73] ipv6_rcv+0x397/0x810 [ 6211.315701][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6211.315701][ T73] process_backlog+0x101/0x620 [ 6211.315701][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6211.315701][ T73] net_rx_action+0x495/0xbe0 [ 6211.315701][ T73] __do_softirq+0x1b5/0x7f6 [ 6211.315701][ T73] [ 6211.317506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.317506][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.317506][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.317506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.317506][ T73] ip6_route_add+0x1c/0x140 [ 6211.317506][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6211.317506][ T73] inet6_addr_add+0x4f8/0xa40 [ 6211.317506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.317506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.317506][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.317506][ T73] netlink_unicast+0x449/0x710 [ 6211.317506][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.317506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.317506][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.317506][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.317506][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.317506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.317506][ T73] [ 6211.319809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.319809][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.319809][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.319809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.319809][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6211.319809][ T73] ipv6_add_addr+0x411/0x2000 [ 6211.319809][ T73] inet6_addr_add+0x30e/0xa40 [ 6211.319809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.319809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.319809][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.319809][ T73] netlink_unicast+0x449/0x710 [ 6211.319809][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.319809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.319809][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.319809][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.319809][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.319809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.319809][ T73] [ 6211.322038][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.322038][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.322038][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.322038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.322038][ T73] ip6_route_add+0x1c/0x140 [ 6211.322038][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6211.322038][ T73] addrconf_add_dev+0xe2/0x170 [ 6211.322038][ T73] inet6_addr_add+0x12f/0xa40 [ 6211.322038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.322038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.322038][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.322038][ T73] netlink_unicast+0x449/0x710 [ 6211.322038][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.322038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.322038][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.322038][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.322038][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.322038][ T73] [ 6211.324234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.324234][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6211.324234][ T73] ipv6_find_idev+0x102/0x170 [ 6211.324234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.324234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.324234][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.324234][ T73] netlink_unicast+0x449/0x710 [ 6211.324234][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.324234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.324234][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.324234][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.324234][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.324234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.324234][ T73] [ 6211.325952][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6211.325952][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6211.325952][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6211.325952][ T73] ipv6_find_idev+0x102/0x170 [ 6211.325952][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.325952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.325952][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.325952][ T73] netlink_unicast+0x449/0x710 [ 6211.325952][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.325952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.325952][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.325952][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.325952][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.325952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.325952][ T73] [ 6211.327868][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6211.328134][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6211.328134][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.328134][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.328134][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.328134][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6211.328134][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6211.328134][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6211.328134][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6211.328134][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6211.328134][ T73] addrconf_dad_begin+0x310/0x670 [ 6211.328134][ T73] addrconf_dad_work+0x10b/0xab0 [ 6211.328134][ T73] process_one_work+0x84d/0x18a0 [ 6211.328134][ T73] worker_thread+0x587/0xd30 [ 6211.328134][ T73] kthread+0x28a/0x350 [ 6211.328134][ T73] ret_from_fork+0x31/0x70 [ 6211.328134][ T73] ret_from_fork_asm+0x1a/0x30 [ 6211.328134][ T73] [ 6211.330278][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6211.330278][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.330278][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.330278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.330278][ T73] ip6_route_add+0x1c/0x140 [ 6211.330278][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6211.330278][ T73] inet6_addr_add+0x4f8/0xa40 [ 6211.330278][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.330278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.330278][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.330278][ T73] netlink_unicast+0x449/0x710 [ 6211.330278][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.330278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.330278][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.330278][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.330278][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.330278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.330278][ T73] [ 6211.332523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6211.332523][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.332523][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.332523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.332523][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6211.332523][ T73] ipv6_add_addr+0x411/0x2000 [ 6211.332523][ T73] inet6_addr_add+0x30e/0xa40 [ 6211.332523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.332523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.332523][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.332523][ T73] netlink_unicast+0x449/0x710 [ 6211.332523][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.332523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.332523][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.332523][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.332523][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.332523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.332523][ T73] [ 6211.334742][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6211.334742][ T73] netdev_get_by_index+0x5e/0x80 [ 6211.334742][ T73] fib6_nh_init+0x3d8/0x1580 [ 6211.334742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6211.334742][ T73] ip6_route_add+0x1c/0x140 [ 6211.334742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6211.334742][ T73] addrconf_add_dev+0xe2/0x170 [ 6211.334742][ T73] inet6_addr_add+0x12f/0xa40 [ 6211.334742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.334742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.334742][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.334742][ T73] netlink_unicast+0x449/0x710 [ 6211.334742][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.334742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.334742][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.334742][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.334742][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.334742][ T73] [ 6211.336927][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6211.336927][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6211.336927][ T73] ipv6_find_idev+0x102/0x170 [ 6211.336927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.336927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.336927][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.336927][ T73] netlink_unicast+0x449/0x710 [ 6211.336927][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.336927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.336927][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.336927][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.336927][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.336927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.336927][ T73] [ 6211.338636][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6211.338636][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6211.338636][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6211.338636][ T73] ipv6_find_idev+0x102/0x170 [ 6211.338636][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.338636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.338636][ T73] netlink_rcv_skb+0x130/0x360 [ 6211.338636][ T73] netlink_unicast+0x449/0x710 [ 6211.338636][ T73] netlink_sendmsg+0x723/0xbe0 [ 6211.338636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6211.338636][ T73] ___sys_sendmsg+0xee/0x170 [ 6211.338636][ T73] __sys_sendmsg+0xcd/0x170 [ 6211.338636][ T73] do_syscall_64+0xc6/0x1e0 [ 6211.338636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.338636][ T73] [ 6221.582832][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6221.583225][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.583225][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6221.583225][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6221.583225][ T73] fib6_nh_init+0xa22/0x1580 [ 6221.583225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.583225][ T73] ip6_route_add+0x1c/0x140 [ 6221.583225][ T73] inet6_rtm_newroute+0x104/0x110 [ 6221.583225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.583225][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.583225][ T73] netlink_unicast+0x449/0x710 [ 6221.583225][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.583225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.583225][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.583225][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.583225][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.583225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.583225][ T73] [ 6221.585124][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.585124][ T73] dst_init+0x84/0x4a0 [ 6221.585124][ T73] dst_alloc+0x97/0x150 [ 6221.585124][ T73] ip6_dst_alloc+0x23/0x90 [ 6221.585124][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6221.585124][ T73] ip6_pol_route+0x56f/0x840 [ 6221.585124][ T73] fib6_rule_lookup+0x456/0x630 [ 6221.585124][ T73] ip6_route_input+0x59c/0xa50 [ 6221.585124][ T73] ipv6_rcv+0x397/0x810 [ 6221.585124][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6221.585124][ T73] process_backlog+0x101/0x620 [ 6221.585124][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6221.585124][ T73] net_rx_action+0x495/0xbe0 [ 6221.585124][ T73] __do_softirq+0x1b5/0x7f6 [ 6221.585124][ T73] [ 6221.586744][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.586744][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.586744][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.586744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.586744][ T73] ip6_route_add+0x1c/0x140 [ 6221.586744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6221.586744][ T73] inet6_addr_add+0x4f8/0xa40 [ 6221.586744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.586744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.586744][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.586744][ T73] netlink_unicast+0x449/0x710 [ 6221.586744][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.586744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.586744][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.586744][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.586744][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.586744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.586744][ T73] [ 6221.588726][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.588726][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.588726][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.588726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.588726][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6221.588726][ T73] ipv6_add_addr+0x411/0x2000 [ 6221.588726][ T73] inet6_addr_add+0x30e/0xa40 [ 6221.588726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.588726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.588726][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.588726][ T73] netlink_unicast+0x449/0x710 [ 6221.588726][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.588726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.588726][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.588726][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.588726][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.588726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.588726][ T73] [ 6221.590715][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.590715][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.590715][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.590715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.590715][ T73] ip6_route_add+0x1c/0x140 [ 6221.590715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6221.590715][ T73] addrconf_add_dev+0xe2/0x170 [ 6221.590715][ T73] inet6_addr_add+0x12f/0xa40 [ 6221.590715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.590715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.590715][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.590715][ T73] netlink_unicast+0x449/0x710 [ 6221.590715][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.590715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.590715][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.590715][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.590715][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.590715][ T73] [ 6221.592674][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.592674][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6221.592674][ T73] ipv6_find_idev+0x102/0x170 [ 6221.592674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.592674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.592674][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.592674][ T73] netlink_unicast+0x449/0x710 [ 6221.592674][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.592674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.592674][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.592674][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.592674][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.592674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.592674][ T73] [ 6221.594212][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6221.594212][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6221.594212][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6221.594212][ T73] ipv6_find_idev+0x102/0x170 [ 6221.594212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.594212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.594212][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.594212][ T73] netlink_unicast+0x449/0x710 [ 6221.594212][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.594212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.594212][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.594212][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.594212][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.594212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.594212][ T73] [ 6221.595897][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6221.596173][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.596173][ T73] dst_init+0x84/0x4a0 [ 6221.596173][ T73] dst_alloc+0x97/0x150 [ 6221.596173][ T73] ip6_dst_alloc+0x23/0x90 [ 6221.596173][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6221.596173][ T73] ip6_pol_route+0x56f/0x840 [ 6221.596173][ T73] fib6_rule_lookup+0x456/0x630 [ 6221.596173][ T73] ip6_route_input+0x59c/0xa50 [ 6221.596173][ T73] ipv6_rcv+0x397/0x810 [ 6221.596173][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6221.596173][ T73] process_backlog+0x101/0x620 [ 6221.596173][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6221.596173][ T73] net_rx_action+0x495/0xbe0 [ 6221.596173][ T73] __do_softirq+0x1b5/0x7f6 [ 6221.596173][ T73] [ 6221.597802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.597802][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.597802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.597802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.597802][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6221.597802][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6221.597802][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6221.597802][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6221.597802][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6221.597802][ T73] addrconf_dad_begin+0x310/0x670 [ 6221.597802][ T73] addrconf_dad_work+0x10b/0xab0 [ 6221.597802][ T73] process_one_work+0x84d/0x18a0 [ 6221.597802][ T73] worker_thread+0x587/0xd30 [ 6221.597802][ T73] kthread+0x28a/0x350 [ 6221.597802][ T73] ret_from_fork+0x31/0x70 [ 6221.597802][ T73] ret_from_fork_asm+0x1a/0x30 [ 6221.597802][ T73] [ 6221.599705][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.599705][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.599705][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.599705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.599705][ T73] ip6_route_add+0x1c/0x140 [ 6221.599705][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6221.599705][ T73] inet6_addr_add+0x4f8/0xa40 [ 6221.599705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.599705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.599705][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.599705][ T73] netlink_unicast+0x449/0x710 [ 6221.599705][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.599705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.599705][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.599705][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.599705][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.599705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.599705][ T73] [ 6221.601704][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.601704][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.601704][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.601704][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.601704][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6221.601704][ T73] ipv6_add_addr+0x411/0x2000 [ 6221.601704][ T73] inet6_addr_add+0x30e/0xa40 [ 6221.601704][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.601704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.601704][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.601704][ T73] netlink_unicast+0x449/0x710 [ 6221.601704][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.601704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.601704][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.601704][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.601704][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.601704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.601704][ T73] [ 6221.603699][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.603699][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.603699][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.603699][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.603699][ T73] ip6_route_add+0x1c/0x140 [ 6221.603699][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6221.603699][ T73] addrconf_add_dev+0xe2/0x170 [ 6221.603699][ T73] inet6_addr_add+0x12f/0xa40 [ 6221.603699][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.603699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.603699][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.603699][ T73] netlink_unicast+0x449/0x710 [ 6221.603699][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.603699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.603699][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.603699][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.603699][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.603699][ T73] [ 6221.605641][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.605641][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6221.605641][ T73] ipv6_find_idev+0x102/0x170 [ 6221.605641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.605641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.605641][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.605641][ T73] netlink_unicast+0x449/0x710 [ 6221.605641][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.605641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.605641][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.605641][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.605641][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.605641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.605641][ T73] [ 6221.607168][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6221.607168][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6221.607168][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6221.607168][ T73] ipv6_find_idev+0x102/0x170 [ 6221.607168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.607168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.607168][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.607168][ T73] netlink_unicast+0x449/0x710 [ 6221.607168][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.607168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.607168][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.607168][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.607168][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.607168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.607168][ T73] [ 6221.608923][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6221.609252][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.609252][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6221.609252][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6221.609252][ T73] fib6_nh_init+0xa22/0x1580 [ 6221.609252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.609252][ T73] ip6_route_add+0x1c/0x140 [ 6221.609252][ T73] inet6_rtm_newroute+0x104/0x110 [ 6221.609252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.609252][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.609252][ T73] netlink_unicast+0x449/0x710 [ 6221.609252][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.609252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.609252][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.609252][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.609252][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.609252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.609252][ T73] [ 6221.611180][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.611180][ T73] dst_init+0x84/0x4a0 [ 6221.611180][ T73] dst_alloc+0x97/0x150 [ 6221.611180][ T73] ip6_dst_alloc+0x23/0x90 [ 6221.611180][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6221.611180][ T73] ip6_pol_route+0x56f/0x840 [ 6221.611180][ T73] fib6_rule_lookup+0x456/0x630 [ 6221.611180][ T73] ip6_route_input+0x59c/0xa50 [ 6221.611180][ T73] ipv6_rcv+0x397/0x810 [ 6221.611180][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6221.611180][ T73] process_backlog+0x101/0x620 [ 6221.611180][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6221.611180][ T73] net_rx_action+0x495/0xbe0 [ 6221.611180][ T73] __do_softirq+0x1b5/0x7f6 [ 6221.611180][ T73] [ 6221.612949][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.612949][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.612949][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.612949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.612949][ T73] ip6_route_add+0x1c/0x140 [ 6221.612949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6221.612949][ T73] inet6_addr_add+0x4f8/0xa40 [ 6221.612949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.612949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.612949][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.612949][ T73] netlink_unicast+0x449/0x710 [ 6221.612949][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.612949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.612949][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.612949][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.612949][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.612949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.612949][ T73] [ 6221.615573][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.615573][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.615573][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.615573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.615573][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6221.615573][ T73] ipv6_add_addr+0x411/0x2000 [ 6221.615573][ T73] inet6_addr_add+0x30e/0xa40 [ 6221.615573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.615573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.615573][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.615573][ T73] netlink_unicast+0x449/0x710 [ 6221.615573][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.615573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.615573][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.615573][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.615573][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.615573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.615573][ T73] [ 6221.617748][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.617748][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.617748][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.617748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.617748][ T73] ip6_route_add+0x1c/0x140 [ 6221.617748][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6221.617748][ T73] addrconf_add_dev+0xe2/0x170 [ 6221.617748][ T73] inet6_addr_add+0x12f/0xa40 [ 6221.617748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.617748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.617748][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.617748][ T73] netlink_unicast+0x449/0x710 [ 6221.617748][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.617748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.617748][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.617748][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.617748][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.617748][ T73] [ 6221.619818][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.619818][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6221.619818][ T73] ipv6_find_idev+0x102/0x170 [ 6221.619818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.619818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.619818][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.619818][ T73] netlink_unicast+0x449/0x710 [ 6221.619818][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.619818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.619818][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.619818][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.619818][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.619818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.619818][ T73] [ 6221.621409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6221.621409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6221.621409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6221.621409][ T73] ipv6_find_idev+0x102/0x170 [ 6221.621409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.621409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.621409][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.621409][ T73] netlink_unicast+0x449/0x710 [ 6221.621409][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.621409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.621409][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.621409][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.621409][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.621409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.621409][ T73] [ 6221.623208][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6221.623480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6221.623480][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.623480][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.623480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.623480][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6221.623480][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6221.623480][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6221.623480][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6221.623480][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6221.623480][ T73] addrconf_dad_begin+0x310/0x670 [ 6221.623480][ T73] addrconf_dad_work+0x10b/0xab0 [ 6221.623480][ T73] process_one_work+0x84d/0x18a0 [ 6221.623480][ T73] worker_thread+0x587/0xd30 [ 6221.623480][ T73] kthread+0x28a/0x350 [ 6221.623480][ T73] ret_from_fork+0x31/0x70 [ 6221.623480][ T73] ret_from_fork_asm+0x1a/0x30 [ 6221.623480][ T73] [ 6221.625514][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6221.625514][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.625514][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.625514][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.625514][ T73] ip6_route_add+0x1c/0x140 [ 6221.625514][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6221.625514][ T73] inet6_addr_add+0x4f8/0xa40 [ 6221.625514][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.625514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.625514][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.625514][ T73] netlink_unicast+0x449/0x710 [ 6221.625514][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.625514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.625514][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.625514][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.625514][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.625514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.625514][ T73] [ 6221.627622][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6221.627622][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.627622][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.627622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.627622][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6221.627622][ T73] ipv6_add_addr+0x411/0x2000 [ 6221.627622][ T73] inet6_addr_add+0x30e/0xa40 [ 6221.627622][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.627622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.627622][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.627622][ T73] netlink_unicast+0x449/0x710 [ 6221.627622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.627622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.627622][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.627622][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.627622][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.627622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.627622][ T73] [ 6221.629727][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6221.629727][ T73] netdev_get_by_index+0x5e/0x80 [ 6221.629727][ T73] fib6_nh_init+0x3d8/0x1580 [ 6221.629727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6221.629727][ T73] ip6_route_add+0x1c/0x140 [ 6221.629727][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6221.629727][ T73] addrconf_add_dev+0xe2/0x170 [ 6221.629727][ T73] inet6_addr_add+0x12f/0xa40 [ 6221.629727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6221.629727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.629727][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.629727][ T73] netlink_unicast+0x449/0x710 [ 6221.629727][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.629727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.629727][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.629727][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.629727][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.629727][ T73] [ 6221.631744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6221.631744][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6221.631744][ T73] ipv6_find_idev+0x102/0x170 [ 6221.631744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.631744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.631744][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.631744][ T73] netlink_unicast+0x449/0x710 [ 6221.631744][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.631744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.631744][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.631744][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.631744][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.631744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.631744][ T73] [ 6221.633811][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6221.633811][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6221.633811][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6221.633811][ T73] ipv6_find_idev+0x102/0x170 [ 6221.633811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6221.633811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6221.633811][ T73] netlink_rcv_skb+0x130/0x360 [ 6221.633811][ T73] netlink_unicast+0x449/0x710 [ 6221.633811][ T73] netlink_sendmsg+0x723/0xbe0 [ 6221.633811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6221.633811][ T73] ___sys_sendmsg+0xee/0x170 [ 6221.633811][ T73] __sys_sendmsg+0xcd/0x170 [ 6221.633811][ T73] do_syscall_64+0xc6/0x1e0 [ 6221.633811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6221.633811][ T73] [ 6231.654908][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6231.655368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.655368][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6231.655368][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6231.655368][ T73] fib6_nh_init+0xa22/0x1580 [ 6231.655368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.655368][ T73] ip6_route_add+0x1c/0x140 [ 6231.655368][ T73] inet6_rtm_newroute+0x104/0x110 [ 6231.655368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.655368][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.655368][ T73] netlink_unicast+0x449/0x710 [ 6231.655368][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.655368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.655368][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.655368][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.655368][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.655368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.655368][ T73] [ 6231.657270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.657270][ T73] dst_init+0x84/0x4a0 [ 6231.657270][ T73] dst_alloc+0x97/0x150 [ 6231.657270][ T73] ip6_dst_alloc+0x23/0x90 [ 6231.657270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6231.657270][ T73] ip6_pol_route+0x56f/0x840 [ 6231.657270][ T73] fib6_rule_lookup+0x456/0x630 [ 6231.657270][ T73] ip6_route_input+0x59c/0xa50 [ 6231.657270][ T73] ipv6_rcv+0x397/0x810 [ 6231.657270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6231.657270][ T73] process_backlog+0x101/0x620 [ 6231.657270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6231.657270][ T73] net_rx_action+0x495/0xbe0 [ 6231.657270][ T73] __do_softirq+0x1b5/0x7f6 [ 6231.657270][ T73] [ 6231.658901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.658901][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.658901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.658901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.658901][ T73] ip6_route_add+0x1c/0x140 [ 6231.658901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6231.658901][ T73] inet6_addr_add+0x4f8/0xa40 [ 6231.658901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.658901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.658901][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.658901][ T73] netlink_unicast+0x449/0x710 [ 6231.658901][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.658901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.658901][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.658901][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.658901][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.658901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.658901][ T73] [ 6231.660887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.660887][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.660887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.660887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.660887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6231.660887][ T73] ipv6_add_addr+0x411/0x2000 [ 6231.660887][ T73] inet6_addr_add+0x30e/0xa40 [ 6231.660887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.660887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.660887][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.660887][ T73] netlink_unicast+0x449/0x710 [ 6231.660887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.660887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.660887][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.660887][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.660887][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.660887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.660887][ T73] [ 6231.662878][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.662878][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.662878][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.662878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.662878][ T73] ip6_route_add+0x1c/0x140 [ 6231.662878][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6231.662878][ T73] addrconf_add_dev+0xe2/0x170 [ 6231.662878][ T73] inet6_addr_add+0x12f/0xa40 [ 6231.662878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.662878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.662878][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.662878][ T73] netlink_unicast+0x449/0x710 [ 6231.662878][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.662878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.662878][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.662878][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.662878][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.662878][ T73] [ 6231.664837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.664837][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6231.664837][ T73] ipv6_find_idev+0x102/0x170 [ 6231.664837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.664837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.664837][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.664837][ T73] netlink_unicast+0x449/0x710 [ 6231.664837][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.664837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.664837][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.664837][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.664837][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.664837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.664837][ T73] [ 6231.666369][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6231.666369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6231.666369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6231.666369][ T73] ipv6_find_idev+0x102/0x170 [ 6231.666369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.666369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.666369][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.666369][ T73] netlink_unicast+0x449/0x710 [ 6231.666369][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.666369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.666369][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.666369][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.666369][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.666369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.666369][ T73] [ 6231.668056][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6231.668333][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.668333][ T73] dst_init+0x84/0x4a0 [ 6231.668333][ T73] dst_alloc+0x97/0x150 [ 6231.668333][ T73] ip6_dst_alloc+0x23/0x90 [ 6231.668333][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6231.668333][ T73] ip6_pol_route+0x56f/0x840 [ 6231.668333][ T73] fib6_rule_lookup+0x456/0x630 [ 6231.668333][ T73] ip6_route_input+0x59c/0xa50 [ 6231.668333][ T73] ipv6_rcv+0x397/0x810 [ 6231.668333][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6231.668333][ T73] process_backlog+0x101/0x620 [ 6231.668333][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6231.668333][ T73] net_rx_action+0x495/0xbe0 [ 6231.668333][ T73] __do_softirq+0x1b5/0x7f6 [ 6231.668333][ T73] [ 6231.669963][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.669963][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.669963][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.669963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.669963][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6231.669963][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6231.669963][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6231.669963][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6231.669963][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6231.669963][ T73] addrconf_dad_begin+0x310/0x670 [ 6231.669963][ T73] addrconf_dad_work+0x10b/0xab0 [ 6231.669963][ T73] process_one_work+0x84d/0x18a0 [ 6231.669963][ T73] worker_thread+0x587/0xd30 [ 6231.669963][ T73] kthread+0x28a/0x350 [ 6231.669963][ T73] ret_from_fork+0x31/0x70 [ 6231.669963][ T73] ret_from_fork_asm+0x1a/0x30 [ 6231.669963][ T73] [ 6231.671865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.671865][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.671865][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.671865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.671865][ T73] ip6_route_add+0x1c/0x140 [ 6231.671865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6231.671865][ T73] inet6_addr_add+0x4f8/0xa40 [ 6231.671865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.671865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.671865][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.671865][ T73] netlink_unicast+0x449/0x710 [ 6231.671865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.671865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.671865][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.671865][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.671865][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.671865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.671865][ T73] [ 6231.673854][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.673854][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.673854][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.673854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.673854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6231.673854][ T73] ipv6_add_addr+0x411/0x2000 [ 6231.673854][ T73] inet6_addr_add+0x30e/0xa40 [ 6231.673854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.673854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.673854][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.673854][ T73] netlink_unicast+0x449/0x710 [ 6231.673854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.673854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.673854][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.673854][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.673854][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.673854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.673854][ T73] [ 6231.676208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.676208][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.676208][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.676208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.676208][ T73] ip6_route_add+0x1c/0x140 [ 6231.676208][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6231.676208][ T73] addrconf_add_dev+0xe2/0x170 [ 6231.676208][ T73] inet6_addr_add+0x12f/0xa40 [ 6231.676208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.676208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.676208][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.676208][ T73] netlink_unicast+0x449/0x710 [ 6231.676208][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.676208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.676208][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.676208][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.676208][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.676208][ T73] [ 6231.678171][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.678171][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6231.678171][ T73] ipv6_find_idev+0x102/0x170 [ 6231.678171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.678171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.678171][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.678171][ T73] netlink_unicast+0x449/0x710 [ 6231.678171][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.678171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.678171][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.678171][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.678171][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.678171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.678171][ T73] [ 6231.679697][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6231.679697][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6231.679697][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6231.679697][ T73] ipv6_find_idev+0x102/0x170 [ 6231.679697][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.679697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.679697][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.679697][ T73] netlink_unicast+0x449/0x710 [ 6231.679697][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.679697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.679697][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.679697][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.679697][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.679697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.679697][ T73] [ 6231.681494][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6231.681833][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.681833][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6231.681833][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6231.681833][ T73] fib6_nh_init+0xa22/0x1580 [ 6231.681833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.681833][ T73] ip6_route_add+0x1c/0x140 [ 6231.681833][ T73] inet6_rtm_newroute+0x104/0x110 [ 6231.681833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.681833][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.681833][ T73] netlink_unicast+0x449/0x710 [ 6231.681833][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.681833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.681833][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.681833][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.681833][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.681833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.681833][ T73] [ 6231.683896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.683896][ T73] dst_init+0x84/0x4a0 [ 6231.683896][ T73] dst_alloc+0x97/0x150 [ 6231.683896][ T73] ip6_dst_alloc+0x23/0x90 [ 6231.683896][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6231.683896][ T73] ip6_pol_route+0x56f/0x840 [ 6231.683896][ T73] fib6_rule_lookup+0x456/0x630 [ 6231.683896][ T73] ip6_route_input+0x59c/0xa50 [ 6231.683896][ T73] ipv6_rcv+0x397/0x810 [ 6231.683896][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6231.683896][ T73] process_backlog+0x101/0x620 [ 6231.683896][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6231.683896][ T73] net_rx_action+0x495/0xbe0 [ 6231.683896][ T73] __do_softirq+0x1b5/0x7f6 [ 6231.683896][ T73] [ 6231.685760][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.685760][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.685760][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.685760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.685760][ T73] ip6_route_add+0x1c/0x140 [ 6231.685760][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6231.685760][ T73] inet6_addr_add+0x4f8/0xa40 [ 6231.685760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.685760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.685760][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.685760][ T73] netlink_unicast+0x449/0x710 [ 6231.685760][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.685760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.685760][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.685760][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.685760][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.685760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.685760][ T73] [ 6231.687994][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.687994][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.687994][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.687994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.687994][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6231.687994][ T73] ipv6_add_addr+0x411/0x2000 [ 6231.687994][ T73] inet6_addr_add+0x30e/0xa40 [ 6231.687994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.687994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.687994][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.687994][ T73] netlink_unicast+0x449/0x710 [ 6231.687994][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.687994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.687994][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.687994][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.687994][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.687994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.687994][ T73] [ 6231.690170][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.690170][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.690170][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.690170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.690170][ T73] ip6_route_add+0x1c/0x140 [ 6231.690170][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6231.690170][ T73] addrconf_add_dev+0xe2/0x170 [ 6231.690170][ T73] inet6_addr_add+0x12f/0xa40 [ 6231.690170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.690170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.690170][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.690170][ T73] netlink_unicast+0x449/0x710 [ 6231.690170][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.690170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.690170][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.690170][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.690170][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.690170][ T73] [ 6231.692364][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.692364][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6231.692364][ T73] ipv6_find_idev+0x102/0x170 [ 6231.692364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.692364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.692364][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.692364][ T73] netlink_unicast+0x449/0x710 [ 6231.692364][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.692364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.692364][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.692364][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.692364][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.692364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.692364][ T73] [ 6231.694138][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6231.694138][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6231.694138][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6231.694138][ T73] ipv6_find_idev+0x102/0x170 [ 6231.694138][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.694138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.694138][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.694138][ T73] netlink_unicast+0x449/0x710 [ 6231.694138][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.694138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.694138][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.694138][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.694138][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.694138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.694138][ T73] [ 6231.695999][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6231.696265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6231.696265][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.696265][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.696265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.696265][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6231.696265][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6231.696265][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6231.696265][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6231.696265][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6231.696265][ T73] addrconf_dad_begin+0x310/0x670 [ 6231.696265][ T73] addrconf_dad_work+0x10b/0xab0 [ 6231.696265][ T73] process_one_work+0x84d/0x18a0 [ 6231.696265][ T73] worker_thread+0x587/0xd30 [ 6231.696265][ T73] kthread+0x28a/0x350 [ 6231.696265][ T73] ret_from_fork+0x31/0x70 [ 6231.696265][ T73] ret_from_fork_asm+0x1a/0x30 [ 6231.696265][ T73] [ 6231.698408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6231.698408][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.698408][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.698408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.698408][ T73] ip6_route_add+0x1c/0x140 [ 6231.698408][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6231.698408][ T73] inet6_addr_add+0x4f8/0xa40 [ 6231.698408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.698408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.698408][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.698408][ T73] netlink_unicast+0x449/0x710 [ 6231.698408][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.698408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.698408][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.698408][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.698408][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.698408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.698408][ T73] [ 6231.700640][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6231.700640][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.700640][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.700640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.700640][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6231.700640][ T73] ipv6_add_addr+0x411/0x2000 [ 6231.700640][ T73] inet6_addr_add+0x30e/0xa40 [ 6231.700640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.700640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.700640][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.700640][ T73] netlink_unicast+0x449/0x710 [ 6231.700640][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.700640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.700640][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.700640][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.700640][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.700640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.700640][ T73] [ 6231.702947][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6231.702947][ T73] netdev_get_by_index+0x5e/0x80 [ 6231.702947][ T73] fib6_nh_init+0x3d8/0x1580 [ 6231.702947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6231.702947][ T73] ip6_route_add+0x1c/0x140 [ 6231.702947][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6231.702947][ T73] addrconf_add_dev+0xe2/0x170 [ 6231.702947][ T73] inet6_addr_add+0x12f/0xa40 [ 6231.702947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.702947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.702947][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.702947][ T73] netlink_unicast+0x449/0x710 [ 6231.702947][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.702947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.702947][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.702947][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.702947][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.702947][ T73] [ 6231.705090][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6231.705090][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6231.705090][ T73] ipv6_find_idev+0x102/0x170 [ 6231.705090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.705090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.705090][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.705090][ T73] netlink_unicast+0x449/0x710 [ 6231.705090][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.705090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.705090][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.705090][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.705090][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.705090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.705090][ T73] [ 6231.706796][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6231.706796][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6231.706796][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6231.706796][ T73] ipv6_find_idev+0x102/0x170 [ 6231.706796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.706796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.706796][ T73] netlink_rcv_skb+0x130/0x360 [ 6231.706796][ T73] netlink_unicast+0x449/0x710 [ 6231.706796][ T73] netlink_sendmsg+0x723/0xbe0 [ 6231.706796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6231.706796][ T73] ___sys_sendmsg+0xee/0x170 [ 6231.706796][ T73] __sys_sendmsg+0xcd/0x170 [ 6231.706796][ T73] do_syscall_64+0xc6/0x1e0 [ 6231.706796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.706796][ T73] [ 6241.950910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6241.951378][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.951378][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6241.951378][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6241.951378][ T73] fib6_nh_init+0xa22/0x1580 [ 6241.951378][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.951378][ T73] ip6_route_add+0x1c/0x140 [ 6241.951378][ T73] inet6_rtm_newroute+0x104/0x110 [ 6241.951378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.951378][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.951378][ T73] netlink_unicast+0x449/0x710 [ 6241.951378][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.951378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.951378][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.951378][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.951378][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.951378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.951378][ T73] [ 6241.953299][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.953299][ T73] dst_init+0x84/0x4a0 [ 6241.953299][ T73] dst_alloc+0x97/0x150 [ 6241.953299][ T73] ip6_dst_alloc+0x23/0x90 [ 6241.953299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6241.953299][ T73] ip6_pol_route+0x56f/0x840 [ 6241.953299][ T73] fib6_rule_lookup+0x456/0x630 [ 6241.953299][ T73] ip6_route_input+0x59c/0xa50 [ 6241.953299][ T73] ipv6_rcv+0x397/0x810 [ 6241.953299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6241.953299][ T73] process_backlog+0x101/0x620 [ 6241.953299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6241.953299][ T73] net_rx_action+0x495/0xbe0 [ 6241.953299][ T73] __do_softirq+0x1b5/0x7f6 [ 6241.953299][ T73] [ 6241.954950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.954950][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.954950][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.954950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.954950][ T73] ip6_route_add+0x1c/0x140 [ 6241.954950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6241.954950][ T73] inet6_addr_add+0x4f8/0xa40 [ 6241.954950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.954950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.954950][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.954950][ T73] netlink_unicast+0x449/0x710 [ 6241.954950][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.954950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.954950][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.954950][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.954950][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.954950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.954950][ T73] [ 6241.956972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.956972][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.956972][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.956972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.956972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6241.956972][ T73] ipv6_add_addr+0x411/0x2000 [ 6241.956972][ T73] inet6_addr_add+0x30e/0xa40 [ 6241.956972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.956972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.956972][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.956972][ T73] netlink_unicast+0x449/0x710 [ 6241.956972][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.956972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.956972][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.956972][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.956972][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.956972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.956972][ T73] [ 6241.958976][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.958976][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.958976][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.958976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.958976][ T73] ip6_route_add+0x1c/0x140 [ 6241.958976][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6241.958976][ T73] addrconf_add_dev+0xe2/0x170 [ 6241.958976][ T73] inet6_addr_add+0x12f/0xa40 [ 6241.958976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.958976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.958976][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.958976][ T73] netlink_unicast+0x449/0x710 [ 6241.958976][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.958976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.958976][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.958976][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.958976][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.958976][ T73] [ 6241.960973][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.960973][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6241.960973][ T73] ipv6_find_idev+0x102/0x170 [ 6241.960973][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.960973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.960973][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.960973][ T73] netlink_unicast+0x449/0x710 [ 6241.960973][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.960973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.960973][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.960973][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.960973][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.960973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.960973][ T73] [ 6241.962543][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6241.962543][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6241.962543][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6241.962543][ T73] ipv6_find_idev+0x102/0x170 [ 6241.962543][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.962543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.962543][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.962543][ T73] netlink_unicast+0x449/0x710 [ 6241.962543][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.962543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.962543][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.962543][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.962543][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.962543][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.962543][ T73] [ 6241.964251][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6241.964530][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.964530][ T73] dst_init+0x84/0x4a0 [ 6241.964530][ T73] dst_alloc+0x97/0x150 [ 6241.964530][ T73] ip6_dst_alloc+0x23/0x90 [ 6241.964530][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6241.964530][ T73] ip6_pol_route+0x56f/0x840 [ 6241.964530][ T73] fib6_rule_lookup+0x456/0x630 [ 6241.964530][ T73] ip6_route_input+0x59c/0xa50 [ 6241.964530][ T73] ipv6_rcv+0x397/0x810 [ 6241.964530][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6241.964530][ T73] process_backlog+0x101/0x620 [ 6241.964530][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6241.964530][ T73] net_rx_action+0x495/0xbe0 [ 6241.964530][ T73] __do_softirq+0x1b5/0x7f6 [ 6241.964530][ T73] [ 6241.966179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.966179][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.966179][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.966179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.966179][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6241.966179][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6241.966179][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6241.966179][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6241.966179][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6241.966179][ T73] addrconf_dad_begin+0x310/0x670 [ 6241.966179][ T73] addrconf_dad_work+0x10b/0xab0 [ 6241.966179][ T73] process_one_work+0x84d/0x18a0 [ 6241.966179][ T73] worker_thread+0x587/0xd30 [ 6241.966179][ T73] kthread+0x28a/0x350 [ 6241.966179][ T73] ret_from_fork+0x31/0x70 [ 6241.966179][ T73] ret_from_fork_asm+0x1a/0x30 [ 6241.966179][ T73] [ 6241.968098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.968098][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.968098][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.968098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.968098][ T73] ip6_route_add+0x1c/0x140 [ 6241.968098][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6241.968098][ T73] inet6_addr_add+0x4f8/0xa40 [ 6241.968098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.968098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.968098][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.968098][ T73] netlink_unicast+0x449/0x710 [ 6241.968098][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.968098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.968098][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.968098][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.968098][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.968098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.968098][ T73] [ 6241.970280][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.970280][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.970280][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.970280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.970280][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6241.970280][ T73] ipv6_add_addr+0x411/0x2000 [ 6241.970280][ T73] inet6_addr_add+0x30e/0xa40 [ 6241.970280][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.970280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.970280][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.970280][ T73] netlink_unicast+0x449/0x710 [ 6241.970280][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.970280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.970280][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.970280][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.970280][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.970280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.970280][ T73] [ 6241.972292][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.972292][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.972292][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.972292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.972292][ T73] ip6_route_add+0x1c/0x140 [ 6241.972292][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6241.972292][ T73] addrconf_add_dev+0xe2/0x170 [ 6241.972292][ T73] inet6_addr_add+0x12f/0xa40 [ 6241.972292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.972292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.972292][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.972292][ T73] netlink_unicast+0x449/0x710 [ 6241.972292][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.972292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.972292][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.972292][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.972292][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.972292][ T73] [ 6241.974264][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.974264][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6241.974264][ T73] ipv6_find_idev+0x102/0x170 [ 6241.974264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.974264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.974264][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.974264][ T73] netlink_unicast+0x449/0x710 [ 6241.974264][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.974264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.974264][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.974264][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.974264][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.974264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.974264][ T73] [ 6241.975813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6241.975813][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6241.975813][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6241.975813][ T73] ipv6_find_idev+0x102/0x170 [ 6241.975813][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.975813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.975813][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.975813][ T73] netlink_unicast+0x449/0x710 [ 6241.975813][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.975813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.975813][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.975813][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.975813][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.975813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.975813][ T73] [ 6241.977650][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6241.977987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.977987][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6241.977987][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6241.977987][ T73] fib6_nh_init+0xa22/0x1580 [ 6241.977987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.977987][ T73] ip6_route_add+0x1c/0x140 [ 6241.977987][ T73] inet6_rtm_newroute+0x104/0x110 [ 6241.977987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.977987][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.977987][ T73] netlink_unicast+0x449/0x710 [ 6241.977987][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.977987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.977987][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.977987][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.977987][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.977987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.977987][ T73] [ 6241.980047][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.980047][ T73] dst_init+0x84/0x4a0 [ 6241.980047][ T73] dst_alloc+0x97/0x150 [ 6241.980047][ T73] ip6_dst_alloc+0x23/0x90 [ 6241.980047][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6241.980047][ T73] ip6_pol_route+0x56f/0x840 [ 6241.980047][ T73] fib6_rule_lookup+0x456/0x630 [ 6241.980047][ T73] ip6_route_input+0x59c/0xa50 [ 6241.980047][ T73] ipv6_rcv+0x397/0x810 [ 6241.980047][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6241.980047][ T73] process_backlog+0x101/0x620 [ 6241.980047][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6241.980047][ T73] net_rx_action+0x495/0xbe0 [ 6241.980047][ T73] __do_softirq+0x1b5/0x7f6 [ 6241.980047][ T73] [ 6241.981877][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.981877][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.981877][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.981877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.981877][ T73] ip6_route_add+0x1c/0x140 [ 6241.981877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6241.981877][ T73] inet6_addr_add+0x4f8/0xa40 [ 6241.981877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.981877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.981877][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.981877][ T73] netlink_unicast+0x449/0x710 [ 6241.981877][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.981877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.981877][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.981877][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.981877][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.981877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.981877][ T73] [ 6241.984125][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.984125][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.984125][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.984125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.984125][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6241.984125][ T73] ipv6_add_addr+0x411/0x2000 [ 6241.984125][ T73] inet6_addr_add+0x30e/0xa40 [ 6241.984125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.984125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.984125][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.984125][ T73] netlink_unicast+0x449/0x710 [ 6241.984125][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.984125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.984125][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.984125][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.984125][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.984125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.984125][ T73] [ 6241.986436][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.986436][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.986436][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.986436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.986436][ T73] ip6_route_add+0x1c/0x140 [ 6241.986436][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6241.986436][ T73] addrconf_add_dev+0xe2/0x170 [ 6241.986436][ T73] inet6_addr_add+0x12f/0xa40 [ 6241.986436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.986436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.986436][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.986436][ T73] netlink_unicast+0x449/0x710 [ 6241.986436][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.986436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.986436][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.986436][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.986436][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.986436][ T73] [ 6241.988643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.988643][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6241.988643][ T73] ipv6_find_idev+0x102/0x170 [ 6241.988643][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.988643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.988643][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.988643][ T73] netlink_unicast+0x449/0x710 [ 6241.988643][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.988643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.988643][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.988643][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.988643][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.988643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.988643][ T73] [ 6241.990376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6241.990376][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6241.990376][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6241.990376][ T73] ipv6_find_idev+0x102/0x170 [ 6241.990376][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.990376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.990376][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.990376][ T73] netlink_unicast+0x449/0x710 [ 6241.990376][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.990376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.990376][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.990376][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.990376][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.990376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.990376][ T73] [ 6241.992251][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6241.992519][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6241.992519][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.992519][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.992519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.992519][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6241.992519][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6241.992519][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6241.992519][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6241.992519][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6241.992519][ T73] addrconf_dad_begin+0x310/0x670 [ 6241.992519][ T73] addrconf_dad_work+0x10b/0xab0 [ 6241.992519][ T73] process_one_work+0x84d/0x18a0 [ 6241.992519][ T73] worker_thread+0x587/0xd30 [ 6241.992519][ T73] kthread+0x28a/0x350 [ 6241.992519][ T73] ret_from_fork+0x31/0x70 [ 6241.992519][ T73] ret_from_fork_asm+0x1a/0x30 [ 6241.992519][ T73] [ 6241.994732][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6241.994732][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.994732][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.994732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.994732][ T73] ip6_route_add+0x1c/0x140 [ 6241.994732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6241.994732][ T73] inet6_addr_add+0x4f8/0xa40 [ 6241.994732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.994732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.994732][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.994732][ T73] netlink_unicast+0x449/0x710 [ 6241.994732][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.994732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.994732][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.994732][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.994732][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.994732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.994732][ T73] [ 6241.996972][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6241.996972][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.996972][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.996972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.996972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6241.996972][ T73] ipv6_add_addr+0x411/0x2000 [ 6241.996972][ T73] inet6_addr_add+0x30e/0xa40 [ 6241.996972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.996972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.996972][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.996972][ T73] netlink_unicast+0x449/0x710 [ 6241.996972][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.996972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.996972][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.996972][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.996972][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.996972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.996972][ T73] [ 6241.999219][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6241.999219][ T73] netdev_get_by_index+0x5e/0x80 [ 6241.999219][ T73] fib6_nh_init+0x3d8/0x1580 [ 6241.999219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6241.999219][ T73] ip6_route_add+0x1c/0x140 [ 6241.999219][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6241.999219][ T73] addrconf_add_dev+0xe2/0x170 [ 6241.999219][ T73] inet6_addr_add+0x12f/0xa40 [ 6241.999219][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.999219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.999219][ T73] netlink_rcv_skb+0x130/0x360 [ 6241.999219][ T73] netlink_unicast+0x449/0x710 [ 6241.999219][ T73] netlink_sendmsg+0x723/0xbe0 [ 6241.999219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6241.999219][ T73] ___sys_sendmsg+0xee/0x170 [ 6241.999219][ T73] __sys_sendmsg+0xcd/0x170 [ 6241.999219][ T73] do_syscall_64+0xc6/0x1e0 [ 6241.999219][ T73] [ 6242.001371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6242.001371][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6242.001371][ T73] ipv6_find_idev+0x102/0x170 [ 6242.001371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6242.001371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.001371][ T73] netlink_rcv_skb+0x130/0x360 [ 6242.001371][ T73] netlink_unicast+0x449/0x710 [ 6242.001371][ T73] netlink_sendmsg+0x723/0xbe0 [ 6242.001371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6242.001371][ T73] ___sys_sendmsg+0xee/0x170 [ 6242.001371][ T73] __sys_sendmsg+0xcd/0x170 [ 6242.001371][ T73] do_syscall_64+0xc6/0x1e0 [ 6242.001371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6242.001371][ T73] [ 6242.003112][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6242.003112][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6242.003112][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6242.003112][ T73] ipv6_find_idev+0x102/0x170 [ 6242.003112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6242.003112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.003112][ T73] netlink_rcv_skb+0x130/0x360 [ 6242.003112][ T73] netlink_unicast+0x449/0x710 [ 6242.003112][ T73] netlink_sendmsg+0x723/0xbe0 [ 6242.003112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6242.003112][ T73] ___sys_sendmsg+0xee/0x170 [ 6242.003112][ T73] __sys_sendmsg+0xcd/0x170 [ 6242.003112][ T73] do_syscall_64+0xc6/0x1e0 [ 6242.003112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6242.003112][ T73] [ 6252.254941][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6252.255397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.255397][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6252.255397][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6252.255397][ T73] fib6_nh_init+0xa22/0x1580 [ 6252.255397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.255397][ T73] ip6_route_add+0x1c/0x140 [ 6252.255397][ T73] inet6_rtm_newroute+0x104/0x110 [ 6252.255397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.255397][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.255397][ T73] netlink_unicast+0x449/0x710 [ 6252.255397][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.255397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.255397][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.255397][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.255397][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.255397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.255397][ T73] [ 6252.257279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.257279][ T73] dst_init+0x84/0x4a0 [ 6252.257279][ T73] dst_alloc+0x97/0x150 [ 6252.257279][ T73] ip6_dst_alloc+0x23/0x90 [ 6252.257279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6252.257279][ T73] ip6_pol_route+0x56f/0x840 [ 6252.257279][ T73] fib6_rule_lookup+0x456/0x630 [ 6252.257279][ T73] ip6_route_input+0x59c/0xa50 [ 6252.257279][ T73] ipv6_rcv+0x397/0x810 [ 6252.257279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6252.257279][ T73] process_backlog+0x101/0x620 [ 6252.257279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6252.257279][ T73] net_rx_action+0x495/0xbe0 [ 6252.257279][ T73] __do_softirq+0x1b5/0x7f6 [ 6252.257279][ T73] [ 6252.258907][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.258907][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.258907][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.258907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.258907][ T73] ip6_route_add+0x1c/0x140 [ 6252.258907][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6252.258907][ T73] inet6_addr_add+0x4f8/0xa40 [ 6252.258907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.258907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.258907][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.258907][ T73] netlink_unicast+0x449/0x710 [ 6252.258907][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.258907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.258907][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.258907][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.258907][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.258907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.258907][ T73] [ 6252.260889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.260889][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.260889][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.260889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.260889][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6252.260889][ T73] ipv6_add_addr+0x411/0x2000 [ 6252.260889][ T73] inet6_addr_add+0x30e/0xa40 [ 6252.260889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.260889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.260889][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.260889][ T73] netlink_unicast+0x449/0x710 [ 6252.260889][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.260889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.260889][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.260889][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.260889][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.260889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.260889][ T73] [ 6252.262883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.262883][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.262883][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.262883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.262883][ T73] ip6_route_add+0x1c/0x140 [ 6252.262883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6252.262883][ T73] addrconf_add_dev+0xe2/0x170 [ 6252.262883][ T73] inet6_addr_add+0x12f/0xa40 [ 6252.262883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.262883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.262883][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.262883][ T73] netlink_unicast+0x449/0x710 [ 6252.262883][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.262883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.262883][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.262883][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.262883][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.262883][ T73] [ 6252.264829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.264829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6252.264829][ T73] ipv6_find_idev+0x102/0x170 [ 6252.264829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.264829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.264829][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.264829][ T73] netlink_unicast+0x449/0x710 [ 6252.264829][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.264829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.264829][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.264829][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.264829][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.264829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.264829][ T73] [ 6252.266367][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6252.266367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6252.266367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6252.266367][ T73] ipv6_find_idev+0x102/0x170 [ 6252.266367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.266367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.266367][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.266367][ T73] netlink_unicast+0x449/0x710 [ 6252.266367][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.266367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.266367][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.266367][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.266367][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.266367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.266367][ T73] [ 6252.268055][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6252.268327][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.268327][ T73] dst_init+0x84/0x4a0 [ 6252.268327][ T73] dst_alloc+0x97/0x150 [ 6252.268327][ T73] ip6_dst_alloc+0x23/0x90 [ 6252.268327][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6252.268327][ T73] ip6_pol_route+0x56f/0x840 [ 6252.268327][ T73] fib6_rule_lookup+0x456/0x630 [ 6252.268327][ T73] ip6_route_input+0x59c/0xa50 [ 6252.268327][ T73] ipv6_rcv+0x397/0x810 [ 6252.268327][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6252.268327][ T73] process_backlog+0x101/0x620 [ 6252.268327][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6252.268327][ T73] net_rx_action+0x495/0xbe0 [ 6252.268327][ T73] __do_softirq+0x1b5/0x7f6 [ 6252.268327][ T73] [ 6252.269954][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.269954][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.269954][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.269954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.269954][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6252.269954][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6252.269954][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6252.269954][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6252.269954][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6252.269954][ T73] addrconf_dad_begin+0x310/0x670 [ 6252.269954][ T73] addrconf_dad_work+0x10b/0xab0 [ 6252.269954][ T73] process_one_work+0x84d/0x18a0 [ 6252.269954][ T73] worker_thread+0x587/0xd30 [ 6252.269954][ T73] kthread+0x28a/0x350 [ 6252.269954][ T73] ret_from_fork+0x31/0x70 [ 6252.269954][ T73] ret_from_fork_asm+0x1a/0x30 [ 6252.269954][ T73] [ 6252.271862][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.271862][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.271862][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.271862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.271862][ T73] ip6_route_add+0x1c/0x140 [ 6252.271862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6252.271862][ T73] inet6_addr_add+0x4f8/0xa40 [ 6252.271862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.271862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.271862][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.271862][ T73] netlink_unicast+0x449/0x710 [ 6252.271862][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.271862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.271862][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.271862][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.271862][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.271862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.271862][ T73] [ 6252.273852][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.273852][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.273852][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.273852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.273852][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6252.273852][ T73] ipv6_add_addr+0x411/0x2000 [ 6252.273852][ T73] inet6_addr_add+0x30e/0xa40 [ 6252.273852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.273852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.273852][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.273852][ T73] netlink_unicast+0x449/0x710 [ 6252.273852][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.273852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.273852][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.273852][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.273852][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.273852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.273852][ T73] [ 6252.275837][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.275837][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.275837][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.275837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.275837][ T73] ip6_route_add+0x1c/0x140 [ 6252.275837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6252.275837][ T73] addrconf_add_dev+0xe2/0x170 [ 6252.275837][ T73] inet6_addr_add+0x12f/0xa40 [ 6252.275837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.275837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.275837][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.275837][ T73] netlink_unicast+0x449/0x710 [ 6252.275837][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.275837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.275837][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.275837][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.275837][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.275837][ T73] [ 6252.277787][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.277787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6252.277787][ T73] ipv6_find_idev+0x102/0x170 [ 6252.277787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.277787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.277787][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.277787][ T73] netlink_unicast+0x449/0x710 [ 6252.277787][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.277787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.277787][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.277787][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.277787][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.277787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.277787][ T73] [ 6252.279307][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6252.279307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6252.279307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6252.279307][ T73] ipv6_find_idev+0x102/0x170 [ 6252.279307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.279307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.279307][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.279307][ T73] netlink_unicast+0x449/0x710 [ 6252.279307][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.279307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.279307][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.279307][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.279307][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.279307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.279307][ T73] [ 6252.281041][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6252.281311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.281311][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6252.281311][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6252.281311][ T73] fib6_nh_init+0xa22/0x1580 [ 6252.281311][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.281311][ T73] ip6_route_add+0x1c/0x140 [ 6252.281311][ T73] inet6_rtm_newroute+0x104/0x110 [ 6252.281311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.281311][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.281311][ T73] netlink_unicast+0x449/0x710 [ 6252.281311][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.281311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.281311][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.281311][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.281311][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.281311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.281311][ T73] [ 6252.283492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.283492][ T73] dst_init+0x84/0x4a0 [ 6252.283492][ T73] dst_alloc+0x97/0x150 [ 6252.283492][ T73] ip6_dst_alloc+0x23/0x90 [ 6252.283492][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6252.283492][ T73] ip6_pol_route+0x56f/0x840 [ 6252.283492][ T73] fib6_rule_lookup+0x456/0x630 [ 6252.283492][ T73] ip6_route_input+0x59c/0xa50 [ 6252.283492][ T73] ipv6_rcv+0x397/0x810 [ 6252.283492][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6252.283492][ T73] process_backlog+0x101/0x620 [ 6252.283492][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6252.283492][ T73] net_rx_action+0x495/0xbe0 [ 6252.283492][ T73] __do_softirq+0x1b5/0x7f6 [ 6252.283492][ T73] [ 6252.285301][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.285301][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.285301][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.285301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.285301][ T73] ip6_route_add+0x1c/0x140 [ 6252.285301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6252.285301][ T73] inet6_addr_add+0x4f8/0xa40 [ 6252.285301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.285301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.285301][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.285301][ T73] netlink_unicast+0x449/0x710 [ 6252.285301][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.285301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.285301][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.285301][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.285301][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.285301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.285301][ T73] [ 6252.287536][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.287536][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.287536][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.287536][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.287536][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6252.287536][ T73] ipv6_add_addr+0x411/0x2000 [ 6252.287536][ T73] inet6_addr_add+0x30e/0xa40 [ 6252.287536][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.287536][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.287536][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.287536][ T73] netlink_unicast+0x449/0x710 [ 6252.287536][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.287536][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.287536][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.287536][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.287536][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.287536][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.287536][ T73] [ 6252.289760][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.289760][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.289760][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.289760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.289760][ T73] ip6_route_add+0x1c/0x140 [ 6252.289760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6252.289760][ T73] addrconf_add_dev+0xe2/0x170 [ 6252.289760][ T73] inet6_addr_add+0x12f/0xa40 [ 6252.289760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.289760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.289760][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.289760][ T73] netlink_unicast+0x449/0x710 [ 6252.289760][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.289760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.289760][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.289760][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.289760][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.289760][ T73] [ 6252.291892][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.291892][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6252.291892][ T73] ipv6_find_idev+0x102/0x170 [ 6252.291892][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.291892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.291892][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.291892][ T73] netlink_unicast+0x449/0x710 [ 6252.291892][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.291892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.291892][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.291892][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.291892][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.291892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.291892][ T73] [ 6252.293670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6252.293670][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6252.293670][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6252.293670][ T73] ipv6_find_idev+0x102/0x170 [ 6252.293670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.293670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.293670][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.293670][ T73] netlink_unicast+0x449/0x710 [ 6252.293670][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.293670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.293670][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.293670][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.293670][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.293670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.293670][ T73] [ 6252.295589][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6252.296298][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6252.296298][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.296298][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.296298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.296298][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6252.296298][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6252.296298][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6252.296298][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6252.296298][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6252.296298][ T73] addrconf_dad_begin+0x310/0x670 [ 6252.296298][ T73] addrconf_dad_work+0x10b/0xab0 [ 6252.296298][ T73] process_one_work+0x84d/0x18a0 [ 6252.296298][ T73] worker_thread+0x587/0xd30 [ 6252.296298][ T73] kthread+0x28a/0x350 [ 6252.296298][ T73] ret_from_fork+0x31/0x70 [ 6252.296298][ T73] ret_from_fork_asm+0x1a/0x30 [ 6252.296298][ T73] [ 6252.298190][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6252.298190][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.298190][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.298190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.298190][ T73] ip6_route_add+0x1c/0x140 [ 6252.298190][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6252.298190][ T73] inet6_addr_add+0x4f8/0xa40 [ 6252.298190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.298190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.298190][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.298190][ T73] netlink_unicast+0x449/0x710 [ 6252.298190][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.298190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.298190][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.298190][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.298190][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.298190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.298190][ T73] [ 6252.300288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6252.300288][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.300288][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.300288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.300288][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6252.300288][ T73] ipv6_add_addr+0x411/0x2000 [ 6252.300288][ T73] inet6_addr_add+0x30e/0xa40 [ 6252.300288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.300288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.300288][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.300288][ T73] netlink_unicast+0x449/0x710 [ 6252.300288][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.300288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.300288][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.300288][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.300288][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.300288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.300288][ T73] [ 6252.302472][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6252.302472][ T73] netdev_get_by_index+0x5e/0x80 [ 6252.302472][ T73] fib6_nh_init+0x3d8/0x1580 [ 6252.302472][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6252.302472][ T73] ip6_route_add+0x1c/0x140 [ 6252.302472][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6252.302472][ T73] addrconf_add_dev+0xe2/0x170 [ 6252.302472][ T73] inet6_addr_add+0x12f/0xa40 [ 6252.302472][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.302472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.302472][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.302472][ T73] netlink_unicast+0x449/0x710 [ 6252.302472][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.302472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.302472][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.302472][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.302472][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.302472][ T73] [ 6252.304679][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6252.304679][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6252.304679][ T73] ipv6_find_idev+0x102/0x170 [ 6252.304679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.304679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.304679][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.304679][ T73] netlink_unicast+0x449/0x710 [ 6252.304679][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.304679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.304679][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.304679][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.304679][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.304679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.304679][ T73] [ 6252.306445][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6252.306445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6252.306445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6252.306445][ T73] ipv6_find_idev+0x102/0x170 [ 6252.306445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.306445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.306445][ T73] netlink_rcv_skb+0x130/0x360 [ 6252.306445][ T73] netlink_unicast+0x449/0x710 [ 6252.306445][ T73] netlink_sendmsg+0x723/0xbe0 [ 6252.306445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6252.306445][ T73] ___sys_sendmsg+0xee/0x170 [ 6252.306445][ T73] __sys_sendmsg+0xcd/0x170 [ 6252.306445][ T73] do_syscall_64+0xc6/0x1e0 [ 6252.306445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.306445][ T73] [ 6262.550905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6262.551365][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.551365][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6262.551365][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6262.551365][ T73] fib6_nh_init+0xa22/0x1580 [ 6262.551365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.551365][ T73] ip6_route_add+0x1c/0x140 [ 6262.551365][ T73] inet6_rtm_newroute+0x104/0x110 [ 6262.551365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.551365][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.551365][ T73] netlink_unicast+0x449/0x710 [ 6262.551365][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.551365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.551365][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.551365][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.551365][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.551365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.551365][ T73] [ 6262.553276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.553276][ T73] dst_init+0x84/0x4a0 [ 6262.553276][ T73] dst_alloc+0x97/0x150 [ 6262.553276][ T73] ip6_dst_alloc+0x23/0x90 [ 6262.553276][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6262.553276][ T73] ip6_pol_route+0x56f/0x840 [ 6262.553276][ T73] fib6_rule_lookup+0x456/0x630 [ 6262.553276][ T73] ip6_route_input+0x59c/0xa50 [ 6262.553276][ T73] ipv6_rcv+0x397/0x810 [ 6262.553276][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6262.553276][ T73] process_backlog+0x101/0x620 [ 6262.553276][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6262.553276][ T73] net_rx_action+0x495/0xbe0 [ 6262.553276][ T73] __do_softirq+0x1b5/0x7f6 [ 6262.553276][ T73] [ 6262.554902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.554902][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.554902][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.554902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.554902][ T73] ip6_route_add+0x1c/0x140 [ 6262.554902][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6262.554902][ T73] inet6_addr_add+0x4f8/0xa40 [ 6262.554902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.554902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.554902][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.554902][ T73] netlink_unicast+0x449/0x710 [ 6262.554902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.554902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.554902][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.554902][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.554902][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.554902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.554902][ T73] [ 6262.556893][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.556893][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.556893][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.556893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.556893][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6262.556893][ T73] ipv6_add_addr+0x411/0x2000 [ 6262.556893][ T73] inet6_addr_add+0x30e/0xa40 [ 6262.556893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.556893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.556893][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.556893][ T73] netlink_unicast+0x449/0x710 [ 6262.556893][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.556893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.556893][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.556893][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.556893][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.556893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.556893][ T73] [ 6262.558831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.558831][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.558831][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.558831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.558831][ T73] ip6_route_add+0x1c/0x140 [ 6262.558831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6262.558831][ T73] addrconf_add_dev+0xe2/0x170 [ 6262.558831][ T73] inet6_addr_add+0x12f/0xa40 [ 6262.558831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.558831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.558831][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.558831][ T73] netlink_unicast+0x449/0x710 [ 6262.558831][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.558831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.558831][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.558831][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.558831][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.558831][ T73] [ 6262.560787][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.560787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6262.560787][ T73] ipv6_find_idev+0x102/0x170 [ 6262.560787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.560787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.560787][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.560787][ T73] netlink_unicast+0x449/0x710 [ 6262.560787][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.560787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.560787][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.560787][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.560787][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.560787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.560787][ T73] [ 6262.562324][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6262.562324][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6262.562324][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6262.562324][ T73] ipv6_find_idev+0x102/0x170 [ 6262.562324][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.562324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.562324][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.562324][ T73] netlink_unicast+0x449/0x710 [ 6262.562324][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.562324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.562324][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.562324][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.562324][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.562324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.562324][ T73] [ 6262.563988][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6262.564268][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.564268][ T73] dst_init+0x84/0x4a0 [ 6262.564268][ T73] dst_alloc+0x97/0x150 [ 6262.564268][ T73] ip6_dst_alloc+0x23/0x90 [ 6262.564268][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6262.564268][ T73] ip6_pol_route+0x56f/0x840 [ 6262.564268][ T73] fib6_rule_lookup+0x456/0x630 [ 6262.564268][ T73] ip6_route_input+0x59c/0xa50 [ 6262.564268][ T73] ipv6_rcv+0x397/0x810 [ 6262.564268][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6262.564268][ T73] process_backlog+0x101/0x620 [ 6262.564268][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6262.564268][ T73] net_rx_action+0x495/0xbe0 [ 6262.564268][ T73] __do_softirq+0x1b5/0x7f6 [ 6262.564268][ T73] [ 6262.565907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.565907][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.565907][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.565907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.565907][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6262.565907][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6262.565907][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6262.565907][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6262.565907][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6262.565907][ T73] addrconf_dad_begin+0x310/0x670 [ 6262.565907][ T73] addrconf_dad_work+0x10b/0xab0 [ 6262.565907][ T73] process_one_work+0x84d/0x18a0 [ 6262.565907][ T73] worker_thread+0x587/0xd30 [ 6262.565907][ T73] kthread+0x28a/0x350 [ 6262.565907][ T73] ret_from_fork+0x31/0x70 [ 6262.565907][ T73] ret_from_fork_asm+0x1a/0x30 [ 6262.565907][ T73] [ 6262.567838][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.567838][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.567838][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.567838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.567838][ T73] ip6_route_add+0x1c/0x140 [ 6262.567838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6262.567838][ T73] inet6_addr_add+0x4f8/0xa40 [ 6262.567838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.567838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.567838][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.567838][ T73] netlink_unicast+0x449/0x710 [ 6262.567838][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.567838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.567838][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.567838][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.567838][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.567838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.567838][ T73] [ 6262.569833][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.569833][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.569833][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.569833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.569833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6262.569833][ T73] ipv6_add_addr+0x411/0x2000 [ 6262.569833][ T73] inet6_addr_add+0x30e/0xa40 [ 6262.569833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.569833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.569833][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.569833][ T73] netlink_unicast+0x449/0x710 [ 6262.569833][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.569833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.569833][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.569833][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.569833][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.569833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.569833][ T73] [ 6262.571819][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.571819][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.571819][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.571819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.571819][ T73] ip6_route_add+0x1c/0x140 [ 6262.571819][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6262.571819][ T73] addrconf_add_dev+0xe2/0x170 [ 6262.571819][ T73] inet6_addr_add+0x12f/0xa40 [ 6262.571819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.571819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.571819][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.571819][ T73] netlink_unicast+0x449/0x710 [ 6262.571819][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.571819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.571819][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.571819][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.571819][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.571819][ T73] [ 6262.573782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.573782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6262.573782][ T73] ipv6_find_idev+0x102/0x170 [ 6262.573782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.573782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.573782][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.573782][ T73] netlink_unicast+0x449/0x710 [ 6262.573782][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.573782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.573782][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.573782][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.573782][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.573782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.573782][ T73] [ 6262.575312][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6262.575312][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6262.575312][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6262.575312][ T73] ipv6_find_idev+0x102/0x170 [ 6262.575312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.575312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.575312][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.575312][ T73] netlink_unicast+0x449/0x710 [ 6262.575312][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.575312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.575312][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.575312][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.575312][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.575312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.575312][ T73] [ 6262.577039][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6262.577377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.577377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6262.577377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6262.577377][ T73] fib6_nh_init+0xa22/0x1580 [ 6262.577377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.577377][ T73] ip6_route_add+0x1c/0x140 [ 6262.577377][ T73] inet6_rtm_newroute+0x104/0x110 [ 6262.577377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.577377][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.577377][ T73] netlink_unicast+0x449/0x710 [ 6262.577377][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.577377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.577377][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.577377][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.577377][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.577377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.577377][ T73] [ 6262.579365][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.579365][ T73] dst_init+0x84/0x4a0 [ 6262.579365][ T73] dst_alloc+0x97/0x150 [ 6262.579365][ T73] ip6_dst_alloc+0x23/0x90 [ 6262.579365][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6262.579365][ T73] ip6_pol_route+0x56f/0x840 [ 6262.579365][ T73] fib6_rule_lookup+0x456/0x630 [ 6262.579365][ T73] ip6_route_input+0x59c/0xa50 [ 6262.579365][ T73] ipv6_rcv+0x397/0x810 [ 6262.579365][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6262.579365][ T73] process_backlog+0x101/0x620 [ 6262.579365][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6262.579365][ T73] net_rx_action+0x495/0xbe0 [ 6262.579365][ T73] __do_softirq+0x1b5/0x7f6 [ 6262.579365][ T73] [ 6262.581172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.581172][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.581172][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.581172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.581172][ T73] ip6_route_add+0x1c/0x140 [ 6262.581172][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6262.581172][ T73] inet6_addr_add+0x4f8/0xa40 [ 6262.581172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.581172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.581172][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.581172][ T73] netlink_unicast+0x449/0x710 [ 6262.581172][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.581172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.581172][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.581172][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.581172][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.581172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.581172][ T73] [ 6262.583400][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.583400][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.583400][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.583400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.583400][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6262.583400][ T73] ipv6_add_addr+0x411/0x2000 [ 6262.583400][ T73] inet6_addr_add+0x30e/0xa40 [ 6262.583400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.583400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.583400][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.583400][ T73] netlink_unicast+0x449/0x710 [ 6262.583400][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.583400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.583400][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.583400][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.583400][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.583400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.583400][ T73] [ 6262.585638][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.585638][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.585638][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.585638][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.585638][ T73] ip6_route_add+0x1c/0x140 [ 6262.585638][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6262.585638][ T73] addrconf_add_dev+0xe2/0x170 [ 6262.585638][ T73] inet6_addr_add+0x12f/0xa40 [ 6262.585638][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.585638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.585638][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.585638][ T73] netlink_unicast+0x449/0x710 [ 6262.585638][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.585638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.585638][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.585638][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.585638][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.585638][ T73] [ 6262.587834][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.587834][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6262.587834][ T73] ipv6_find_idev+0x102/0x170 [ 6262.587834][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.587834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.587834][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.587834][ T73] netlink_unicast+0x449/0x710 [ 6262.587834][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.587834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.587834][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.587834][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.587834][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.587834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.587834][ T73] [ 6262.589553][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6262.589553][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6262.589553][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6262.589553][ T73] ipv6_find_idev+0x102/0x170 [ 6262.589553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.589553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.589553][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.589553][ T73] netlink_unicast+0x449/0x710 [ 6262.589553][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.589553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.589553][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.589553][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.589553][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.589553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.589553][ T73] [ 6262.591434][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6262.591710][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6262.591710][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.591710][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.591710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.591710][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6262.591710][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6262.591710][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6262.591710][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6262.591710][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6262.591710][ T73] addrconf_dad_begin+0x310/0x670 [ 6262.591710][ T73] addrconf_dad_work+0x10b/0xab0 [ 6262.591710][ T73] process_one_work+0x84d/0x18a0 [ 6262.591710][ T73] worker_thread+0x587/0xd30 [ 6262.591710][ T73] kthread+0x28a/0x350 [ 6262.591710][ T73] ret_from_fork+0x31/0x70 [ 6262.591710][ T73] ret_from_fork_asm+0x1a/0x30 [ 6262.591710][ T73] [ 6262.593857][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6262.593857][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.593857][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.593857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.593857][ T73] ip6_route_add+0x1c/0x140 [ 6262.593857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6262.593857][ T73] inet6_addr_add+0x4f8/0xa40 [ 6262.593857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.593857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.593857][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.593857][ T73] netlink_unicast+0x449/0x710 [ 6262.593857][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.593857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.593857][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.593857][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.593857][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.593857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.593857][ T73] [ 6262.596164][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6262.596164][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.596164][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.596164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.596164][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6262.596164][ T73] ipv6_add_addr+0x411/0x2000 [ 6262.596164][ T73] inet6_addr_add+0x30e/0xa40 [ 6262.596164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.596164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.596164][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.596164][ T73] netlink_unicast+0x449/0x710 [ 6262.596164][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.596164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.596164][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.596164][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.596164][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.596164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.596164][ T73] [ 6262.598403][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6262.598403][ T73] netdev_get_by_index+0x5e/0x80 [ 6262.598403][ T73] fib6_nh_init+0x3d8/0x1580 [ 6262.598403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6262.598403][ T73] ip6_route_add+0x1c/0x140 [ 6262.598403][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6262.598403][ T73] addrconf_add_dev+0xe2/0x170 [ 6262.598403][ T73] inet6_addr_add+0x12f/0xa40 [ 6262.598403][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.598403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.598403][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.598403][ T73] netlink_unicast+0x449/0x710 [ 6262.598403][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.598403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.598403][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.598403][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.598403][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.598403][ T73] [ 6262.600607][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6262.600607][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6262.600607][ T73] ipv6_find_idev+0x102/0x170 [ 6262.600607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.600607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.600607][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.600607][ T73] netlink_unicast+0x449/0x710 [ 6262.600607][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.600607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.600607][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.600607][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.600607][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.600607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.600607][ T73] [ 6262.602268][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6262.602268][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6262.602268][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6262.602268][ T73] ipv6_find_idev+0x102/0x170 [ 6262.602268][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.602268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.602268][ T73] netlink_rcv_skb+0x130/0x360 [ 6262.602268][ T73] netlink_unicast+0x449/0x710 [ 6262.602268][ T73] netlink_sendmsg+0x723/0xbe0 [ 6262.602268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6262.602268][ T73] ___sys_sendmsg+0xee/0x170 [ 6262.602268][ T73] __sys_sendmsg+0xcd/0x170 [ 6262.602268][ T73] do_syscall_64+0xc6/0x1e0 [ 6262.602268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.602268][ T73] [ 6272.846889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6272.847363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.847363][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6272.847363][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6272.847363][ T73] fib6_nh_init+0xa22/0x1580 [ 6272.847363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.847363][ T73] ip6_route_add+0x1c/0x140 [ 6272.847363][ T73] inet6_rtm_newroute+0x104/0x110 [ 6272.847363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.847363][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.847363][ T73] netlink_unicast+0x449/0x710 [ 6272.847363][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.847363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.847363][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.847363][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.847363][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.847363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.847363][ T73] [ 6272.849240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.849240][ T73] dst_init+0x84/0x4a0 [ 6272.849240][ T73] dst_alloc+0x97/0x150 [ 6272.849240][ T73] ip6_dst_alloc+0x23/0x90 [ 6272.849240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6272.849240][ T73] ip6_pol_route+0x56f/0x840 [ 6272.849240][ T73] fib6_rule_lookup+0x456/0x630 [ 6272.849240][ T73] ip6_route_input+0x59c/0xa50 [ 6272.849240][ T73] ipv6_rcv+0x397/0x810 [ 6272.849240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6272.849240][ T73] process_backlog+0x101/0x620 [ 6272.849240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6272.849240][ T73] net_rx_action+0x495/0xbe0 [ 6272.849240][ T73] __do_softirq+0x1b5/0x7f6 [ 6272.849240][ T73] [ 6272.850873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.850873][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.850873][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.850873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.850873][ T73] ip6_route_add+0x1c/0x140 [ 6272.850873][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6272.850873][ T73] inet6_addr_add+0x4f8/0xa40 [ 6272.850873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.850873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.850873][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.850873][ T73] netlink_unicast+0x449/0x710 [ 6272.850873][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.850873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.850873][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.850873][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.850873][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.850873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.850873][ T73] [ 6272.852872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.852872][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.852872][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.852872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.852872][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6272.852872][ T73] ipv6_add_addr+0x411/0x2000 [ 6272.852872][ T73] inet6_addr_add+0x30e/0xa40 [ 6272.852872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.852872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.852872][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.852872][ T73] netlink_unicast+0x449/0x710 [ 6272.852872][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.852872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.852872][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.852872][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.852872][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.852872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.852872][ T73] [ 6272.854862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.854862][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.854862][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.854862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.854862][ T73] ip6_route_add+0x1c/0x140 [ 6272.854862][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6272.854862][ T73] addrconf_add_dev+0xe2/0x170 [ 6272.854862][ T73] inet6_addr_add+0x12f/0xa40 [ 6272.854862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.854862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.854862][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.854862][ T73] netlink_unicast+0x449/0x710 [ 6272.854862][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.854862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.854862][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.854862][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.854862][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.854862][ T73] [ 6272.856810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.856810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6272.856810][ T73] ipv6_find_idev+0x102/0x170 [ 6272.856810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.856810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.856810][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.856810][ T73] netlink_unicast+0x449/0x710 [ 6272.856810][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.856810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.856810][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.856810][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.856810][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.856810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.856810][ T73] [ 6272.858341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6272.858341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6272.858341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6272.858341][ T73] ipv6_find_idev+0x102/0x170 [ 6272.858341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.858341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.858341][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.858341][ T73] netlink_unicast+0x449/0x710 [ 6272.858341][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.858341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.858341][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.858341][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.858341][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.858341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.858341][ T73] [ 6272.860019][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6272.860286][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.860286][ T73] dst_init+0x84/0x4a0 [ 6272.860286][ T73] dst_alloc+0x97/0x150 [ 6272.860286][ T73] ip6_dst_alloc+0x23/0x90 [ 6272.860286][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6272.860286][ T73] ip6_pol_route+0x56f/0x840 [ 6272.860286][ T73] fib6_rule_lookup+0x456/0x630 [ 6272.860286][ T73] ip6_route_input+0x59c/0xa50 [ 6272.860286][ T73] ipv6_rcv+0x397/0x810 [ 6272.860286][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6272.860286][ T73] process_backlog+0x101/0x620 [ 6272.860286][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6272.860286][ T73] net_rx_action+0x495/0xbe0 [ 6272.860286][ T73] __do_softirq+0x1b5/0x7f6 [ 6272.860286][ T73] [ 6272.861936][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.861936][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.861936][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.861936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.861936][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6272.861936][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6272.861936][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6272.861936][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6272.861936][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6272.861936][ T73] addrconf_dad_begin+0x310/0x670 [ 6272.861936][ T73] addrconf_dad_work+0x10b/0xab0 [ 6272.861936][ T73] process_one_work+0x84d/0x18a0 [ 6272.861936][ T73] worker_thread+0x587/0xd30 [ 6272.861936][ T73] kthread+0x28a/0x350 [ 6272.861936][ T73] ret_from_fork+0x31/0x70 [ 6272.861936][ T73] ret_from_fork_asm+0x1a/0x30 [ 6272.861936][ T73] [ 6272.863830][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.863830][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.863830][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.863830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.863830][ T73] ip6_route_add+0x1c/0x140 [ 6272.863830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6272.863830][ T73] inet6_addr_add+0x4f8/0xa40 [ 6272.863830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.863830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.863830][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.863830][ T73] netlink_unicast+0x449/0x710 [ 6272.863830][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.863830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.863830][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.863830][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.863830][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.863830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.863830][ T73] [ 6272.865810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.865810][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.865810][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.865810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.865810][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6272.865810][ T73] ipv6_add_addr+0x411/0x2000 [ 6272.865810][ T73] inet6_addr_add+0x30e/0xa40 [ 6272.865810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.865810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.865810][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.865810][ T73] netlink_unicast+0x449/0x710 [ 6272.865810][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.865810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.865810][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.865810][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.865810][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.865810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.865810][ T73] [ 6272.867800][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.867800][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.867800][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.867800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.867800][ T73] ip6_route_add+0x1c/0x140 [ 6272.867800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6272.867800][ T73] addrconf_add_dev+0xe2/0x170 [ 6272.867800][ T73] inet6_addr_add+0x12f/0xa40 [ 6272.867800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.867800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.867800][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.867800][ T73] netlink_unicast+0x449/0x710 [ 6272.867800][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.867800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.867800][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.867800][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.867800][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.867800][ T73] [ 6272.869749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.869749][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6272.869749][ T73] ipv6_find_idev+0x102/0x170 [ 6272.869749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.869749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.869749][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.869749][ T73] netlink_unicast+0x449/0x710 [ 6272.869749][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.869749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.869749][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.869749][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.869749][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.869749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.869749][ T73] [ 6272.871282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6272.871282][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6272.871282][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6272.871282][ T73] ipv6_find_idev+0x102/0x170 [ 6272.871282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.871282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.871282][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.871282][ T73] netlink_unicast+0x449/0x710 [ 6272.871282][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.871282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.871282][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.871282][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.871282][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.871282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.871282][ T73] [ 6272.873022][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6272.873350][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.873350][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6272.873350][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6272.873350][ T73] fib6_nh_init+0xa22/0x1580 [ 6272.873350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.873350][ T73] ip6_route_add+0x1c/0x140 [ 6272.873350][ T73] inet6_rtm_newroute+0x104/0x110 [ 6272.873350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.873350][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.873350][ T73] netlink_unicast+0x449/0x710 [ 6272.873350][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.873350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.873350][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.873350][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.873350][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.873350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.873350][ T73] [ 6272.875336][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.875336][ T73] dst_init+0x84/0x4a0 [ 6272.875336][ T73] dst_alloc+0x97/0x150 [ 6272.875336][ T73] ip6_dst_alloc+0x23/0x90 [ 6272.875336][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6272.875336][ T73] ip6_pol_route+0x56f/0x840 [ 6272.875336][ T73] fib6_rule_lookup+0x456/0x630 [ 6272.875336][ T73] ip6_route_input+0x59c/0xa50 [ 6272.875336][ T73] ipv6_rcv+0x397/0x810 [ 6272.875336][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6272.875336][ T73] process_backlog+0x101/0x620 [ 6272.875336][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6272.875336][ T73] net_rx_action+0x495/0xbe0 [ 6272.875336][ T73] __do_softirq+0x1b5/0x7f6 [ 6272.875336][ T73] [ 6272.877214][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.877214][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.877214][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.877214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.877214][ T73] ip6_route_add+0x1c/0x140 [ 6272.877214][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6272.877214][ T73] inet6_addr_add+0x4f8/0xa40 [ 6272.877214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.877214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.877214][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.877214][ T73] netlink_unicast+0x449/0x710 [ 6272.877214][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.877214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.877214][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.877214][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.877214][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.877214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.877214][ T73] [ 6272.879446][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.879446][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.879446][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.879446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.879446][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6272.879446][ T73] ipv6_add_addr+0x411/0x2000 [ 6272.879446][ T73] inet6_addr_add+0x30e/0xa40 [ 6272.879446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.879446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.879446][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.879446][ T73] netlink_unicast+0x449/0x710 [ 6272.879446][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.879446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.879446][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.879446][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.879446][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.879446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.879446][ T73] [ 6272.881612][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.881612][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.881612][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.881612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.881612][ T73] ip6_route_add+0x1c/0x140 [ 6272.881612][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6272.881612][ T73] addrconf_add_dev+0xe2/0x170 [ 6272.881612][ T73] inet6_addr_add+0x12f/0xa40 [ 6272.881612][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.881612][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.881612][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.881612][ T73] netlink_unicast+0x449/0x710 [ 6272.881612][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.881612][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.881612][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.881612][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.881612][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.881612][ T73] [ 6272.883811][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.883811][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6272.883811][ T73] ipv6_find_idev+0x102/0x170 [ 6272.883811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.883811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.883811][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.883811][ T73] netlink_unicast+0x449/0x710 [ 6272.883811][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.883811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.883811][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.883811][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.883811][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.883811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.883811][ T73] [ 6272.885580][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6272.885580][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6272.885580][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6272.885580][ T73] ipv6_find_idev+0x102/0x170 [ 6272.885580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.885580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.885580][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.885580][ T73] netlink_unicast+0x449/0x710 [ 6272.885580][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.885580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.885580][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.885580][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.885580][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.885580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.885580][ T73] [ 6272.887429][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6272.887696][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6272.887696][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.887696][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.887696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.887696][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6272.887696][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6272.887696][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6272.887696][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6272.887696][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6272.887696][ T73] addrconf_dad_begin+0x310/0x670 [ 6272.887696][ T73] addrconf_dad_work+0x10b/0xab0 [ 6272.887696][ T73] process_one_work+0x84d/0x18a0 [ 6272.887696][ T73] worker_thread+0x587/0xd30 [ 6272.887696][ T73] kthread+0x28a/0x350 [ 6272.887696][ T73] ret_from_fork+0x31/0x70 [ 6272.887696][ T73] ret_from_fork_asm+0x1a/0x30 [ 6272.887696][ T73] [ 6272.889838][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6272.889838][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.889838][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.889838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.889838][ T73] ip6_route_add+0x1c/0x140 [ 6272.889838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6272.889838][ T73] inet6_addr_add+0x4f8/0xa40 [ 6272.889838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.889838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.889838][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.889838][ T73] netlink_unicast+0x449/0x710 [ 6272.889838][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.889838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.889838][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.889838][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.889838][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.889838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.889838][ T73] [ 6272.892072][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6272.892072][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.892072][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.892072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.892072][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6272.892072][ T73] ipv6_add_addr+0x411/0x2000 [ 6272.892072][ T73] inet6_addr_add+0x30e/0xa40 [ 6272.892072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.892072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.892072][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.892072][ T73] netlink_unicast+0x449/0x710 [ 6272.892072][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.892072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.892072][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.892072][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.892072][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.892072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.892072][ T73] [ 6272.894371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6272.894371][ T73] netdev_get_by_index+0x5e/0x80 [ 6272.894371][ T73] fib6_nh_init+0x3d8/0x1580 [ 6272.894371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6272.894371][ T73] ip6_route_add+0x1c/0x140 [ 6272.894371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6272.894371][ T73] addrconf_add_dev+0xe2/0x170 [ 6272.894371][ T73] inet6_addr_add+0x12f/0xa40 [ 6272.894371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.894371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.894371][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.894371][ T73] netlink_unicast+0x449/0x710 [ 6272.894371][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.894371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.894371][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.894371][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.894371][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.894371][ T73] [ 6272.896569][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6272.896569][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6272.896569][ T73] ipv6_find_idev+0x102/0x170 [ 6272.896569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.896569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.896569][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.896569][ T73] netlink_unicast+0x449/0x710 [ 6272.896569][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.896569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.896569][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.896569][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.896569][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.896569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.896569][ T73] [ 6272.898215][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6272.898215][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6272.898215][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6272.898215][ T73] ipv6_find_idev+0x102/0x170 [ 6272.898215][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.898215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.898215][ T73] netlink_rcv_skb+0x130/0x360 [ 6272.898215][ T73] netlink_unicast+0x449/0x710 [ 6272.898215][ T73] netlink_sendmsg+0x723/0xbe0 [ 6272.898215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6272.898215][ T73] ___sys_sendmsg+0xee/0x170 [ 6272.898215][ T73] __sys_sendmsg+0xcd/0x170 [ 6272.898215][ T73] do_syscall_64+0xc6/0x1e0 [ 6272.898215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.898215][ T73] [ 6283.142912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6283.143395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.143395][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6283.143395][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6283.143395][ T73] fib6_nh_init+0xa22/0x1580 [ 6283.143395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.143395][ T73] ip6_route_add+0x1c/0x140 [ 6283.143395][ T73] inet6_rtm_newroute+0x104/0x110 [ 6283.143395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.143395][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.143395][ T73] netlink_unicast+0x449/0x710 [ 6283.143395][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.143395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.143395][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.143395][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.143395][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.143395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.143395][ T73] [ 6283.145286][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.145286][ T73] dst_init+0x84/0x4a0 [ 6283.145286][ T73] dst_alloc+0x97/0x150 [ 6283.145286][ T73] ip6_dst_alloc+0x23/0x90 [ 6283.145286][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6283.145286][ T73] ip6_pol_route+0x56f/0x840 [ 6283.145286][ T73] fib6_rule_lookup+0x456/0x630 [ 6283.145286][ T73] ip6_route_input+0x59c/0xa50 [ 6283.145286][ T73] ipv6_rcv+0x397/0x810 [ 6283.145286][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6283.145286][ T73] process_backlog+0x101/0x620 [ 6283.145286][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6283.145286][ T73] net_rx_action+0x495/0xbe0 [ 6283.145286][ T73] __do_softirq+0x1b5/0x7f6 [ 6283.145286][ T73] [ 6283.146916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.146916][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.146916][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.146916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.146916][ T73] ip6_route_add+0x1c/0x140 [ 6283.146916][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6283.146916][ T73] inet6_addr_add+0x4f8/0xa40 [ 6283.146916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.146916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.146916][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.146916][ T73] netlink_unicast+0x449/0x710 [ 6283.146916][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.146916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.146916][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.146916][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.146916][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.146916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.146916][ T73] [ 6283.148898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.148898][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.148898][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.148898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.148898][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6283.148898][ T73] ipv6_add_addr+0x411/0x2000 [ 6283.148898][ T73] inet6_addr_add+0x30e/0xa40 [ 6283.148898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.148898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.148898][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.148898][ T73] netlink_unicast+0x449/0x710 [ 6283.148898][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.148898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.148898][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.148898][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.148898][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.148898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.148898][ T73] [ 6283.150883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.150883][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.150883][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.150883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.150883][ T73] ip6_route_add+0x1c/0x140 [ 6283.150883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6283.150883][ T73] addrconf_add_dev+0xe2/0x170 [ 6283.150883][ T73] inet6_addr_add+0x12f/0xa40 [ 6283.150883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.150883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.150883][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.150883][ T73] netlink_unicast+0x449/0x710 [ 6283.150883][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.150883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.150883][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.150883][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.150883][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.150883][ T73] [ 6283.152860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.152860][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6283.152860][ T73] ipv6_find_idev+0x102/0x170 [ 6283.152860][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.152860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.152860][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.152860][ T73] netlink_unicast+0x449/0x710 [ 6283.152860][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.152860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.152860][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.152860][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.152860][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.152860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.152860][ T73] [ 6283.154385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6283.154385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6283.154385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6283.154385][ T73] ipv6_find_idev+0x102/0x170 [ 6283.154385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.154385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.154385][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.154385][ T73] netlink_unicast+0x449/0x710 [ 6283.154385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.154385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.154385][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.154385][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.154385][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.154385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.154385][ T73] [ 6283.156068][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6283.156335][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.156335][ T73] dst_init+0x84/0x4a0 [ 6283.156335][ T73] dst_alloc+0x97/0x150 [ 6283.156335][ T73] ip6_dst_alloc+0x23/0x90 [ 6283.156335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6283.156335][ T73] ip6_pol_route+0x56f/0x840 [ 6283.156335][ T73] fib6_rule_lookup+0x456/0x630 [ 6283.156335][ T73] ip6_route_input+0x59c/0xa50 [ 6283.156335][ T73] ipv6_rcv+0x397/0x810 [ 6283.156335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6283.156335][ T73] process_backlog+0x101/0x620 [ 6283.156335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6283.156335][ T73] net_rx_action+0x495/0xbe0 [ 6283.156335][ T73] __do_softirq+0x1b5/0x7f6 [ 6283.156335][ T73] [ 6283.157982][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.157982][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.157982][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.157982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.157982][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6283.157982][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6283.157982][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6283.157982][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6283.157982][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6283.157982][ T73] addrconf_dad_begin+0x310/0x670 [ 6283.157982][ T73] addrconf_dad_work+0x10b/0xab0 [ 6283.157982][ T73] process_one_work+0x84d/0x18a0 [ 6283.157982][ T73] worker_thread+0x587/0xd30 [ 6283.157982][ T73] kthread+0x28a/0x350 [ 6283.157982][ T73] ret_from_fork+0x31/0x70 [ 6283.157982][ T73] ret_from_fork_asm+0x1a/0x30 [ 6283.157982][ T73] [ 6283.159887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.159887][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.159887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.159887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.159887][ T73] ip6_route_add+0x1c/0x140 [ 6283.159887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6283.159887][ T73] inet6_addr_add+0x4f8/0xa40 [ 6283.159887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.159887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.159887][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.159887][ T73] netlink_unicast+0x449/0x710 [ 6283.159887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.159887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.159887][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.159887][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.159887][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.159887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.159887][ T73] [ 6283.161898][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.161898][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.161898][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.161898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.161898][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6283.161898][ T73] ipv6_add_addr+0x411/0x2000 [ 6283.161898][ T73] inet6_addr_add+0x30e/0xa40 [ 6283.161898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.161898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.161898][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.161898][ T73] netlink_unicast+0x449/0x710 [ 6283.161898][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.161898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.161898][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.161898][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.161898][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.161898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.161898][ T73] [ 6283.163885][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.163885][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.163885][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.163885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.163885][ T73] ip6_route_add+0x1c/0x140 [ 6283.163885][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6283.163885][ T73] addrconf_add_dev+0xe2/0x170 [ 6283.163885][ T73] inet6_addr_add+0x12f/0xa40 [ 6283.163885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.163885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.163885][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.163885][ T73] netlink_unicast+0x449/0x710 [ 6283.163885][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.163885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.163885][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.163885][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.163885][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.163885][ T73] [ 6283.165840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.165840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6283.165840][ T73] ipv6_find_idev+0x102/0x170 [ 6283.165840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.165840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.165840][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.165840][ T73] netlink_unicast+0x449/0x710 [ 6283.165840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.165840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.165840][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.165840][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.165840][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.165840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.165840][ T73] [ 6283.167380][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6283.167380][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6283.167380][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6283.167380][ T73] ipv6_find_idev+0x102/0x170 [ 6283.167380][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.167380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.167380][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.167380][ T73] netlink_unicast+0x449/0x710 [ 6283.167380][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.167380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.167380][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.167380][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.167380][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.167380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.167380][ T73] [ 6283.169122][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6283.169454][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.169454][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6283.169454][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6283.169454][ T73] fib6_nh_init+0xa22/0x1580 [ 6283.169454][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.169454][ T73] ip6_route_add+0x1c/0x140 [ 6283.169454][ T73] inet6_rtm_newroute+0x104/0x110 [ 6283.169454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.169454][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.169454][ T73] netlink_unicast+0x449/0x710 [ 6283.169454][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.169454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.169454][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.169454][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.169454][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.169454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.169454][ T73] [ 6283.171562][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.171562][ T73] dst_init+0x84/0x4a0 [ 6283.171562][ T73] dst_alloc+0x97/0x150 [ 6283.171562][ T73] ip6_dst_alloc+0x23/0x90 [ 6283.171562][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6283.171562][ T73] ip6_pol_route+0x56f/0x840 [ 6283.171562][ T73] fib6_rule_lookup+0x456/0x630 [ 6283.171562][ T73] ip6_route_input+0x59c/0xa50 [ 6283.171562][ T73] ipv6_rcv+0x397/0x810 [ 6283.171562][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6283.171562][ T73] process_backlog+0x101/0x620 [ 6283.171562][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6283.171562][ T73] net_rx_action+0x495/0xbe0 [ 6283.171562][ T73] __do_softirq+0x1b5/0x7f6 [ 6283.171562][ T73] [ 6283.173897][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.173897][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.173897][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.173897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.173897][ T73] ip6_route_add+0x1c/0x140 [ 6283.173897][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6283.173897][ T73] inet6_addr_add+0x4f8/0xa40 [ 6283.173897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.173897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.173897][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.173897][ T73] netlink_unicast+0x449/0x710 [ 6283.173897][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.173897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.173897][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.173897][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.173897][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.173897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.173897][ T73] [ 6283.176122][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.176122][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.176122][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.176122][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.176122][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6283.176122][ T73] ipv6_add_addr+0x411/0x2000 [ 6283.176122][ T73] inet6_addr_add+0x30e/0xa40 [ 6283.176122][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.176122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.176122][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.176122][ T73] netlink_unicast+0x449/0x710 [ 6283.176122][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.176122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.176122][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.176122][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.176122][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.176122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.176122][ T73] [ 6283.178347][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.178347][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.178347][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.178347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.178347][ T73] ip6_route_add+0x1c/0x140 [ 6283.178347][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6283.178347][ T73] addrconf_add_dev+0xe2/0x170 [ 6283.178347][ T73] inet6_addr_add+0x12f/0xa40 [ 6283.178347][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.178347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.178347][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.178347][ T73] netlink_unicast+0x449/0x710 [ 6283.178347][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.178347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.178347][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.178347][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.178347][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.178347][ T73] [ 6283.180602][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.180602][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6283.180602][ T73] ipv6_find_idev+0x102/0x170 [ 6283.180602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.180602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.180602][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.180602][ T73] netlink_unicast+0x449/0x710 [ 6283.180602][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.180602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.180602][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.180602][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.180602][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.180602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.180602][ T73] [ 6283.182317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6283.182317][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6283.182317][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6283.182317][ T73] ipv6_find_idev+0x102/0x170 [ 6283.182317][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.182317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.182317][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.182317][ T73] netlink_unicast+0x449/0x710 [ 6283.182317][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.182317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.182317][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.182317][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.182317][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.182317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.182317][ T73] [ 6283.184169][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6283.184438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6283.184438][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.184438][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.184438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.184438][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6283.184438][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6283.184438][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6283.184438][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6283.184438][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6283.184438][ T73] addrconf_dad_begin+0x310/0x670 [ 6283.184438][ T73] addrconf_dad_work+0x10b/0xab0 [ 6283.184438][ T73] process_one_work+0x84d/0x18a0 [ 6283.184438][ T73] worker_thread+0x587/0xd30 [ 6283.184438][ T73] kthread+0x28a/0x350 [ 6283.184438][ T73] ret_from_fork+0x31/0x70 [ 6283.184438][ T73] ret_from_fork_asm+0x1a/0x30 [ 6283.184438][ T73] [ 6283.186573][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6283.186573][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.186573][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.186573][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.186573][ T73] ip6_route_add+0x1c/0x140 [ 6283.186573][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6283.186573][ T73] inet6_addr_add+0x4f8/0xa40 [ 6283.186573][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.186573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.186573][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.186573][ T73] netlink_unicast+0x449/0x710 [ 6283.186573][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.186573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.186573][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.186573][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.186573][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.186573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.186573][ T73] [ 6283.189205][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6283.189205][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.189205][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.189205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.189205][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6283.189205][ T73] ipv6_add_addr+0x411/0x2000 [ 6283.189205][ T73] inet6_addr_add+0x30e/0xa40 [ 6283.189205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.189205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.189205][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.189205][ T73] netlink_unicast+0x449/0x710 [ 6283.189205][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.189205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.189205][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.189205][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.189205][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.189205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.189205][ T73] [ 6283.191484][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6283.191484][ T73] netdev_get_by_index+0x5e/0x80 [ 6283.191484][ T73] fib6_nh_init+0x3d8/0x1580 [ 6283.191484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6283.191484][ T73] ip6_route_add+0x1c/0x140 [ 6283.191484][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6283.191484][ T73] addrconf_add_dev+0xe2/0x170 [ 6283.191484][ T73] inet6_addr_add+0x12f/0xa40 [ 6283.191484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.191484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.191484][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.191484][ T73] netlink_unicast+0x449/0x710 [ 6283.191484][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.191484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.191484][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.191484][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.191484][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.191484][ T73] [ 6283.193670][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6283.193670][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6283.193670][ T73] ipv6_find_idev+0x102/0x170 [ 6283.193670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.193670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.193670][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.193670][ T73] netlink_unicast+0x449/0x710 [ 6283.193670][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.193670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.193670][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.193670][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.193670][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.193670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.193670][ T73] [ 6283.195314][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6283.195314][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6283.195314][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6283.195314][ T73] ipv6_find_idev+0x102/0x170 [ 6283.195314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.195314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.195314][ T73] netlink_rcv_skb+0x130/0x360 [ 6283.195314][ T73] netlink_unicast+0x449/0x710 [ 6283.195314][ T73] netlink_sendmsg+0x723/0xbe0 [ 6283.195314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6283.195314][ T73] ___sys_sendmsg+0xee/0x170 [ 6283.195314][ T73] __sys_sendmsg+0xcd/0x170 [ 6283.195314][ T73] do_syscall_64+0xc6/0x1e0 [ 6283.195314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.195314][ T73] [ 6293.438883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6293.439336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.439336][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6293.439336][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6293.439336][ T73] fib6_nh_init+0xa22/0x1580 [ 6293.439336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.439336][ T73] ip6_route_add+0x1c/0x140 [ 6293.439336][ T73] inet6_rtm_newroute+0x104/0x110 [ 6293.439336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.439336][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.439336][ T73] netlink_unicast+0x449/0x710 [ 6293.439336][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.439336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.439336][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.439336][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.439336][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.439336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.439336][ T73] [ 6293.441236][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.441236][ T73] dst_init+0x84/0x4a0 [ 6293.441236][ T73] dst_alloc+0x97/0x150 [ 6293.441236][ T73] ip6_dst_alloc+0x23/0x90 [ 6293.441236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6293.441236][ T73] ip6_pol_route+0x56f/0x840 [ 6293.441236][ T73] fib6_rule_lookup+0x456/0x630 [ 6293.441236][ T73] ip6_route_input+0x59c/0xa50 [ 6293.441236][ T73] ipv6_rcv+0x397/0x810 [ 6293.441236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6293.441236][ T73] process_backlog+0x101/0x620 [ 6293.441236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6293.441236][ T73] net_rx_action+0x495/0xbe0 [ 6293.441236][ T73] __do_softirq+0x1b5/0x7f6 [ 6293.441236][ T73] [ 6293.442876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.442876][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.442876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.442876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.442876][ T73] ip6_route_add+0x1c/0x140 [ 6293.442876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6293.442876][ T73] inet6_addr_add+0x4f8/0xa40 [ 6293.442876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.442876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.442876][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.442876][ T73] netlink_unicast+0x449/0x710 [ 6293.442876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.442876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.442876][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.442876][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.442876][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.442876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.442876][ T73] [ 6293.444863][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.444863][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.444863][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.444863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.444863][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6293.444863][ T73] ipv6_add_addr+0x411/0x2000 [ 6293.444863][ T73] inet6_addr_add+0x30e/0xa40 [ 6293.444863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.444863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.444863][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.444863][ T73] netlink_unicast+0x449/0x710 [ 6293.444863][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.444863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.444863][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.444863][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.444863][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.444863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.444863][ T73] [ 6293.446846][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.446846][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.446846][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.446846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.446846][ T73] ip6_route_add+0x1c/0x140 [ 6293.446846][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6293.446846][ T73] addrconf_add_dev+0xe2/0x170 [ 6293.446846][ T73] inet6_addr_add+0x12f/0xa40 [ 6293.446846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.446846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.446846][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.446846][ T73] netlink_unicast+0x449/0x710 [ 6293.446846][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.446846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.446846][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.446846][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.446846][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.446846][ T73] [ 6293.448801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.448801][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6293.448801][ T73] ipv6_find_idev+0x102/0x170 [ 6293.448801][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.448801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.448801][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.448801][ T73] netlink_unicast+0x449/0x710 [ 6293.448801][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.448801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.448801][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.448801][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.448801][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.448801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.448801][ T73] [ 6293.450328][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6293.450328][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6293.450328][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6293.450328][ T73] ipv6_find_idev+0x102/0x170 [ 6293.450328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.450328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.450328][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.450328][ T73] netlink_unicast+0x449/0x710 [ 6293.450328][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.450328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.450328][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.450328][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.450328][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.450328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.450328][ T73] [ 6293.452009][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6293.452275][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.452275][ T73] dst_init+0x84/0x4a0 [ 6293.452275][ T73] dst_alloc+0x97/0x150 [ 6293.452275][ T73] ip6_dst_alloc+0x23/0x90 [ 6293.452275][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6293.452275][ T73] ip6_pol_route+0x56f/0x840 [ 6293.452275][ T73] fib6_rule_lookup+0x456/0x630 [ 6293.452275][ T73] ip6_route_input+0x59c/0xa50 [ 6293.452275][ T73] ipv6_rcv+0x397/0x810 [ 6293.452275][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6293.452275][ T73] process_backlog+0x101/0x620 [ 6293.452275][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6293.452275][ T73] net_rx_action+0x495/0xbe0 [ 6293.452275][ T73] __do_softirq+0x1b5/0x7f6 [ 6293.452275][ T73] [ 6293.453908][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.453908][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.453908][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.453908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.453908][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6293.453908][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6293.453908][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6293.453908][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6293.453908][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6293.453908][ T73] addrconf_dad_begin+0x310/0x670 [ 6293.453908][ T73] addrconf_dad_work+0x10b/0xab0 [ 6293.453908][ T73] process_one_work+0x84d/0x18a0 [ 6293.453908][ T73] worker_thread+0x587/0xd30 [ 6293.453908][ T73] kthread+0x28a/0x350 [ 6293.453908][ T73] ret_from_fork+0x31/0x70 [ 6293.453908][ T73] ret_from_fork_asm+0x1a/0x30 [ 6293.453908][ T73] [ 6293.455817][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.455817][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.455817][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.455817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.455817][ T73] ip6_route_add+0x1c/0x140 [ 6293.455817][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6293.455817][ T73] inet6_addr_add+0x4f8/0xa40 [ 6293.455817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.455817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.455817][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.455817][ T73] netlink_unicast+0x449/0x710 [ 6293.455817][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.455817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.455817][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.455817][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.455817][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.455817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.455817][ T73] [ 6293.457801][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.457801][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.457801][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.457801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.457801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6293.457801][ T73] ipv6_add_addr+0x411/0x2000 [ 6293.457801][ T73] inet6_addr_add+0x30e/0xa40 [ 6293.457801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.457801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.457801][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.457801][ T73] netlink_unicast+0x449/0x710 [ 6293.457801][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.457801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.457801][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.457801][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.457801][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.457801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.457801][ T73] [ 6293.459780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.459780][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.459780][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.459780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.459780][ T73] ip6_route_add+0x1c/0x140 [ 6293.459780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6293.459780][ T73] addrconf_add_dev+0xe2/0x170 [ 6293.459780][ T73] inet6_addr_add+0x12f/0xa40 [ 6293.459780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.459780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.459780][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.459780][ T73] netlink_unicast+0x449/0x710 [ 6293.459780][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.459780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.459780][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.459780][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.459780][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.459780][ T73] [ 6293.461741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.461741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6293.461741][ T73] ipv6_find_idev+0x102/0x170 [ 6293.461741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.461741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.461741][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.461741][ T73] netlink_unicast+0x449/0x710 [ 6293.461741][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.461741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.461741][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.461741][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.461741][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.461741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.461741][ T73] [ 6293.463272][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6293.463272][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6293.463272][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6293.463272][ T73] ipv6_find_idev+0x102/0x170 [ 6293.463272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.463272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.463272][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.463272][ T73] netlink_unicast+0x449/0x710 [ 6293.463272][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.463272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.463272][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.463272][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.463272][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.463272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.463272][ T73] [ 6293.465004][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6293.465335][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.465335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6293.465335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6293.465335][ T73] fib6_nh_init+0xa22/0x1580 [ 6293.465335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.465335][ T73] ip6_route_add+0x1c/0x140 [ 6293.465335][ T73] inet6_rtm_newroute+0x104/0x110 [ 6293.465335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.465335][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.465335][ T73] netlink_unicast+0x449/0x710 [ 6293.465335][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.465335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.465335][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.465335][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.465335][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.465335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.465335][ T73] [ 6293.467376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.467376][ T73] dst_init+0x84/0x4a0 [ 6293.467376][ T73] dst_alloc+0x97/0x150 [ 6293.467376][ T73] ip6_dst_alloc+0x23/0x90 [ 6293.467376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6293.467376][ T73] ip6_pol_route+0x56f/0x840 [ 6293.467376][ T73] fib6_rule_lookup+0x456/0x630 [ 6293.467376][ T73] ip6_route_input+0x59c/0xa50 [ 6293.467376][ T73] ipv6_rcv+0x397/0x810 [ 6293.467376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6293.467376][ T73] process_backlog+0x101/0x620 [ 6293.467376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6293.467376][ T73] net_rx_action+0x495/0xbe0 [ 6293.467376][ T73] __do_softirq+0x1b5/0x7f6 [ 6293.467376][ T73] [ 6293.469183][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.469183][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.469183][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.469183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.469183][ T73] ip6_route_add+0x1c/0x140 [ 6293.469183][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6293.469183][ T73] inet6_addr_add+0x4f8/0xa40 [ 6293.469183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.469183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.469183][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.469183][ T73] netlink_unicast+0x449/0x710 [ 6293.469183][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.469183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.469183][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.469183][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.469183][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.469183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.469183][ T73] [ 6293.471420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.471420][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.471420][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.471420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.471420][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6293.471420][ T73] ipv6_add_addr+0x411/0x2000 [ 6293.471420][ T73] inet6_addr_add+0x30e/0xa40 [ 6293.471420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.471420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.471420][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.471420][ T73] netlink_unicast+0x449/0x710 [ 6293.471420][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.471420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.471420][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.471420][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.471420][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.471420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.471420][ T73] [ 6293.473608][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.473608][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.473608][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.473608][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.473608][ T73] ip6_route_add+0x1c/0x140 [ 6293.473608][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6293.473608][ T73] addrconf_add_dev+0xe2/0x170 [ 6293.473608][ T73] inet6_addr_add+0x12f/0xa40 [ 6293.473608][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.473608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.473608][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.473608][ T73] netlink_unicast+0x449/0x710 [ 6293.473608][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.473608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.473608][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.473608][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.473608][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.473608][ T73] [ 6293.475868][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.475868][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6293.475868][ T73] ipv6_find_idev+0x102/0x170 [ 6293.475868][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.475868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.475868][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.475868][ T73] netlink_unicast+0x449/0x710 [ 6293.475868][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.475868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.475868][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.475868][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.475868][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.475868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.475868][ T73] [ 6293.477593][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6293.477593][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6293.477593][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6293.477593][ T73] ipv6_find_idev+0x102/0x170 [ 6293.477593][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.477593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.477593][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.477593][ T73] netlink_unicast+0x449/0x710 [ 6293.477593][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.477593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.477593][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.477593][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.477593][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.477593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.477593][ T73] [ 6293.479466][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6293.479743][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6293.479743][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.479743][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.479743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.479743][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6293.479743][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6293.479743][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6293.479743][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6293.479743][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6293.479743][ T73] addrconf_dad_begin+0x310/0x670 [ 6293.479743][ T73] addrconf_dad_work+0x10b/0xab0 [ 6293.479743][ T73] process_one_work+0x84d/0x18a0 [ 6293.479743][ T73] worker_thread+0x587/0xd30 [ 6293.479743][ T73] kthread+0x28a/0x350 [ 6293.479743][ T73] ret_from_fork+0x31/0x70 [ 6293.479743][ T73] ret_from_fork_asm+0x1a/0x30 [ 6293.479743][ T73] [ 6293.481884][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6293.481884][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.481884][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.481884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.481884][ T73] ip6_route_add+0x1c/0x140 [ 6293.481884][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6293.481884][ T73] inet6_addr_add+0x4f8/0xa40 [ 6293.481884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.481884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.481884][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.481884][ T73] netlink_unicast+0x449/0x710 [ 6293.481884][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.481884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.481884][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.481884][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.481884][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.481884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.481884][ T73] [ 6293.484108][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6293.484108][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.484108][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.484108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.484108][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6293.484108][ T73] ipv6_add_addr+0x411/0x2000 [ 6293.484108][ T73] inet6_addr_add+0x30e/0xa40 [ 6293.484108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.484108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.484108][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.484108][ T73] netlink_unicast+0x449/0x710 [ 6293.484108][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.484108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.484108][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.484108][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.484108][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.484108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.484108][ T73] [ 6293.486402][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6293.486402][ T73] netdev_get_by_index+0x5e/0x80 [ 6293.486402][ T73] fib6_nh_init+0x3d8/0x1580 [ 6293.486402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6293.486402][ T73] ip6_route_add+0x1c/0x140 [ 6293.486402][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6293.486402][ T73] addrconf_add_dev+0xe2/0x170 [ 6293.486402][ T73] inet6_addr_add+0x12f/0xa40 [ 6293.486402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.486402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.486402][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.486402][ T73] netlink_unicast+0x449/0x710 [ 6293.486402][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.486402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.486402][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.486402][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.486402][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.486402][ T73] [ 6293.488592][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6293.488592][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6293.488592][ T73] ipv6_find_idev+0x102/0x170 [ 6293.488592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.488592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.488592][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.488592][ T73] netlink_unicast+0x449/0x710 [ 6293.488592][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.488592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.488592][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.488592][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.488592][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.488592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.488592][ T73] [ 6293.490242][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6293.490242][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6293.490242][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6293.490242][ T73] ipv6_find_idev+0x102/0x170 [ 6293.490242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.490242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.490242][ T73] netlink_rcv_skb+0x130/0x360 [ 6293.490242][ T73] netlink_unicast+0x449/0x710 [ 6293.490242][ T73] netlink_sendmsg+0x723/0xbe0 [ 6293.490242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6293.490242][ T73] ___sys_sendmsg+0xee/0x170 [ 6293.490242][ T73] __sys_sendmsg+0xcd/0x170 [ 6293.490242][ T73] do_syscall_64+0xc6/0x1e0 [ 6293.490242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.490242][ T73] [ 6303.734903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6303.735418][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.735418][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6303.735418][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6303.735418][ T73] fib6_nh_init+0xa22/0x1580 [ 6303.735418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.735418][ T73] ip6_route_add+0x1c/0x140 [ 6303.735418][ T73] inet6_rtm_newroute+0x104/0x110 [ 6303.735418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.735418][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.735418][ T73] netlink_unicast+0x449/0x710 [ 6303.735418][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.735418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.735418][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.735418][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.735418][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.735418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.735418][ T73] [ 6303.737298][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.737298][ T73] dst_init+0x84/0x4a0 [ 6303.737298][ T73] dst_alloc+0x97/0x150 [ 6303.737298][ T73] ip6_dst_alloc+0x23/0x90 [ 6303.737298][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6303.737298][ T73] ip6_pol_route+0x56f/0x840 [ 6303.737298][ T73] fib6_rule_lookup+0x456/0x630 [ 6303.737298][ T73] ip6_route_input+0x59c/0xa50 [ 6303.737298][ T73] ipv6_rcv+0x397/0x810 [ 6303.737298][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6303.737298][ T73] process_backlog+0x101/0x620 [ 6303.737298][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6303.737298][ T73] net_rx_action+0x495/0xbe0 [ 6303.737298][ T73] __do_softirq+0x1b5/0x7f6 [ 6303.737298][ T73] [ 6303.738931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.738931][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.738931][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.738931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.738931][ T73] ip6_route_add+0x1c/0x140 [ 6303.738931][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6303.738931][ T73] inet6_addr_add+0x4f8/0xa40 [ 6303.738931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.738931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.738931][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.738931][ T73] netlink_unicast+0x449/0x710 [ 6303.738931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.738931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.738931][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.738931][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.738931][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.738931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.738931][ T73] [ 6303.740916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.740916][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.740916][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.740916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.740916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6303.740916][ T73] ipv6_add_addr+0x411/0x2000 [ 6303.740916][ T73] inet6_addr_add+0x30e/0xa40 [ 6303.740916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.740916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.740916][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.740916][ T73] netlink_unicast+0x449/0x710 [ 6303.740916][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.740916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.740916][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.740916][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.740916][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.740916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.740916][ T73] [ 6303.742915][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.742915][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.742915][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.742915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.742915][ T73] ip6_route_add+0x1c/0x140 [ 6303.742915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6303.742915][ T73] addrconf_add_dev+0xe2/0x170 [ 6303.742915][ T73] inet6_addr_add+0x12f/0xa40 [ 6303.742915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.742915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.742915][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.742915][ T73] netlink_unicast+0x449/0x710 [ 6303.742915][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.742915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.742915][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.742915][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.742915][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.742915][ T73] [ 6303.744891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.744891][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6303.744891][ T73] ipv6_find_idev+0x102/0x170 [ 6303.744891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.744891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.744891][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.744891][ T73] netlink_unicast+0x449/0x710 [ 6303.744891][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.744891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.744891][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.744891][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.744891][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.744891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.744891][ T73] [ 6303.746417][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6303.746417][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6303.746417][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6303.746417][ T73] ipv6_find_idev+0x102/0x170 [ 6303.746417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.746417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.746417][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.746417][ T73] netlink_unicast+0x449/0x710 [ 6303.746417][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.746417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.746417][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.746417][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.746417][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.746417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.746417][ T73] [ 6303.748095][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6303.748368][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.748368][ T73] dst_init+0x84/0x4a0 [ 6303.748368][ T73] dst_alloc+0x97/0x150 [ 6303.748368][ T73] ip6_dst_alloc+0x23/0x90 [ 6303.748368][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6303.748368][ T73] ip6_pol_route+0x56f/0x840 [ 6303.748368][ T73] fib6_rule_lookup+0x456/0x630 [ 6303.748368][ T73] ip6_route_input+0x59c/0xa50 [ 6303.748368][ T73] ipv6_rcv+0x397/0x810 [ 6303.748368][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6303.748368][ T73] process_backlog+0x101/0x620 [ 6303.748368][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6303.748368][ T73] net_rx_action+0x495/0xbe0 [ 6303.748368][ T73] __do_softirq+0x1b5/0x7f6 [ 6303.748368][ T73] [ 6303.749991][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.749991][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.749991][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.749991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.749991][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6303.749991][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6303.749991][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6303.749991][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6303.749991][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6303.749991][ T73] addrconf_dad_begin+0x310/0x670 [ 6303.749991][ T73] addrconf_dad_work+0x10b/0xab0 [ 6303.749991][ T73] process_one_work+0x84d/0x18a0 [ 6303.749991][ T73] worker_thread+0x587/0xd30 [ 6303.749991][ T73] kthread+0x28a/0x350 [ 6303.749991][ T73] ret_from_fork+0x31/0x70 [ 6303.749991][ T73] ret_from_fork_asm+0x1a/0x30 [ 6303.749991][ T73] [ 6303.751892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.751892][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.751892][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.751892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.751892][ T73] ip6_route_add+0x1c/0x140 [ 6303.751892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6303.751892][ T73] inet6_addr_add+0x4f8/0xa40 [ 6303.751892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.751892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.751892][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.751892][ T73] netlink_unicast+0x449/0x710 [ 6303.751892][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.751892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.751892][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.751892][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.751892][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.751892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.751892][ T73] [ 6303.753873][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.753873][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.753873][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.753873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.753873][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6303.753873][ T73] ipv6_add_addr+0x411/0x2000 [ 6303.753873][ T73] inet6_addr_add+0x30e/0xa40 [ 6303.753873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.753873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.753873][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.753873][ T73] netlink_unicast+0x449/0x710 [ 6303.753873][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.753873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.753873][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.753873][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.753873][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.753873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.753873][ T73] [ 6303.755865][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.755865][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.755865][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.755865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.755865][ T73] ip6_route_add+0x1c/0x140 [ 6303.755865][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6303.755865][ T73] addrconf_add_dev+0xe2/0x170 [ 6303.755865][ T73] inet6_addr_add+0x12f/0xa40 [ 6303.755865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.755865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.755865][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.755865][ T73] netlink_unicast+0x449/0x710 [ 6303.755865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.755865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.755865][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.755865][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.755865][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.755865][ T73] [ 6303.757818][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.757818][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6303.757818][ T73] ipv6_find_idev+0x102/0x170 [ 6303.757818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.757818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.757818][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.757818][ T73] netlink_unicast+0x449/0x710 [ 6303.757818][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.757818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.757818][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.757818][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.757818][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.757818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.757818][ T73] [ 6303.759344][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6303.759344][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6303.759344][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6303.759344][ T73] ipv6_find_idev+0x102/0x170 [ 6303.759344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.759344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.759344][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.759344][ T73] netlink_unicast+0x449/0x710 [ 6303.759344][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.759344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.759344][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.759344][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.759344][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.759344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.759344][ T73] [ 6303.761126][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6303.761452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.761452][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6303.761452][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6303.761452][ T73] fib6_nh_init+0xa22/0x1580 [ 6303.761452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.761452][ T73] ip6_route_add+0x1c/0x140 [ 6303.761452][ T73] inet6_rtm_newroute+0x104/0x110 [ 6303.761452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.761452][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.761452][ T73] netlink_unicast+0x449/0x710 [ 6303.761452][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.761452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.761452][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.761452][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.761452][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.761452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.761452][ T73] [ 6303.763504][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.763504][ T73] dst_init+0x84/0x4a0 [ 6303.763504][ T73] dst_alloc+0x97/0x150 [ 6303.763504][ T73] ip6_dst_alloc+0x23/0x90 [ 6303.763504][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6303.763504][ T73] ip6_pol_route+0x56f/0x840 [ 6303.763504][ T73] fib6_rule_lookup+0x456/0x630 [ 6303.763504][ T73] ip6_route_input+0x59c/0xa50 [ 6303.763504][ T73] ipv6_rcv+0x397/0x810 [ 6303.763504][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6303.763504][ T73] process_backlog+0x101/0x620 [ 6303.763504][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6303.763504][ T73] net_rx_action+0x495/0xbe0 [ 6303.763504][ T73] __do_softirq+0x1b5/0x7f6 [ 6303.763504][ T73] [ 6303.765298][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.765298][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.765298][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.765298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.765298][ T73] ip6_route_add+0x1c/0x140 [ 6303.765298][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6303.765298][ T73] inet6_addr_add+0x4f8/0xa40 [ 6303.765298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.765298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.765298][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.765298][ T73] netlink_unicast+0x449/0x710 [ 6303.765298][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.765298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.765298][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.765298][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.765298][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.765298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.765298][ T73] [ 6303.767520][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.767520][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.767520][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.767520][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.767520][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6303.767520][ T73] ipv6_add_addr+0x411/0x2000 [ 6303.767520][ T73] inet6_addr_add+0x30e/0xa40 [ 6303.767520][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.767520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.767520][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.767520][ T73] netlink_unicast+0x449/0x710 [ 6303.767520][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.767520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.767520][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.767520][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.767520][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.767520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.767520][ T73] [ 6303.769737][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.769737][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.769737][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.769737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.769737][ T73] ip6_route_add+0x1c/0x140 [ 6303.769737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6303.769737][ T73] addrconf_add_dev+0xe2/0x170 [ 6303.769737][ T73] inet6_addr_add+0x12f/0xa40 [ 6303.769737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.769737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.769737][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.769737][ T73] netlink_unicast+0x449/0x710 [ 6303.769737][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.769737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.769737][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.769737][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.769737][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.769737][ T73] [ 6303.771995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.771995][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6303.771995][ T73] ipv6_find_idev+0x102/0x170 [ 6303.771995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.771995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.771995][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.771995][ T73] netlink_unicast+0x449/0x710 [ 6303.771995][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.771995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.771995][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.771995][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.771995][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.771995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.771995][ T73] [ 6303.773710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6303.773710][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6303.773710][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6303.773710][ T73] ipv6_find_idev+0x102/0x170 [ 6303.773710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.773710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.773710][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.773710][ T73] netlink_unicast+0x449/0x710 [ 6303.773710][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.773710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.773710][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.773710][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.773710][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.773710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.773710][ T73] [ 6303.775568][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6303.775850][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6303.775850][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.775850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.775850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.775850][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6303.775850][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6303.775850][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6303.775850][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6303.775850][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6303.775850][ T73] addrconf_dad_begin+0x310/0x670 [ 6303.775850][ T73] addrconf_dad_work+0x10b/0xab0 [ 6303.775850][ T73] process_one_work+0x84d/0x18a0 [ 6303.775850][ T73] worker_thread+0x587/0xd30 [ 6303.775850][ T73] kthread+0x28a/0x350 [ 6303.775850][ T73] ret_from_fork+0x31/0x70 [ 6303.775850][ T73] ret_from_fork_asm+0x1a/0x30 [ 6303.775850][ T73] [ 6303.777993][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6303.777993][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.777993][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.777993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.777993][ T73] ip6_route_add+0x1c/0x140 [ 6303.777993][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6303.777993][ T73] inet6_addr_add+0x4f8/0xa40 [ 6303.777993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.777993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.777993][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.777993][ T73] netlink_unicast+0x449/0x710 [ 6303.777993][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.777993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.777993][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.777993][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.777993][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.777993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.777993][ T73] [ 6303.780213][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6303.780213][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.780213][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.780213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.780213][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6303.780213][ T73] ipv6_add_addr+0x411/0x2000 [ 6303.780213][ T73] inet6_addr_add+0x30e/0xa40 [ 6303.780213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.780213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.780213][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.780213][ T73] netlink_unicast+0x449/0x710 [ 6303.780213][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.780213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.780213][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.780213][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.780213][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.780213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.780213][ T73] [ 6303.782519][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6303.782519][ T73] netdev_get_by_index+0x5e/0x80 [ 6303.782519][ T73] fib6_nh_init+0x3d8/0x1580 [ 6303.782519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6303.782519][ T73] ip6_route_add+0x1c/0x140 [ 6303.782519][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6303.782519][ T73] addrconf_add_dev+0xe2/0x170 [ 6303.782519][ T73] inet6_addr_add+0x12f/0xa40 [ 6303.782519][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.782519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.782519][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.782519][ T73] netlink_unicast+0x449/0x710 [ 6303.782519][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.782519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.782519][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.782519][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.782519][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.782519][ T73] [ 6303.784633][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6303.784633][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6303.784633][ T73] ipv6_find_idev+0x102/0x170 [ 6303.784633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.784633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.784633][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.784633][ T73] netlink_unicast+0x449/0x710 [ 6303.784633][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.784633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.784633][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.784633][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.784633][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.784633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.784633][ T73] [ 6303.786340][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6303.786340][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6303.786340][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6303.786340][ T73] ipv6_find_idev+0x102/0x170 [ 6303.786340][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.786340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.786340][ T73] netlink_rcv_skb+0x130/0x360 [ 6303.786340][ T73] netlink_unicast+0x449/0x710 [ 6303.786340][ T73] netlink_sendmsg+0x723/0xbe0 [ 6303.786340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6303.786340][ T73] ___sys_sendmsg+0xee/0x170 [ 6303.786340][ T73] __sys_sendmsg+0xcd/0x170 [ 6303.786340][ T73] do_syscall_64+0xc6/0x1e0 [ 6303.786340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.786340][ T73] [ 6313.918894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6313.919352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.919352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6313.919352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6313.919352][ T73] fib6_nh_init+0xa22/0x1580 [ 6313.919352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.919352][ T73] ip6_route_add+0x1c/0x140 [ 6313.919352][ T73] inet6_rtm_newroute+0x104/0x110 [ 6313.919352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.919352][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.919352][ T73] netlink_unicast+0x449/0x710 [ 6313.919352][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.919352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.919352][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.919352][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.919352][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.919352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.919352][ T73] [ 6313.921249][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.921249][ T73] dst_init+0x84/0x4a0 [ 6313.921249][ T73] dst_alloc+0x97/0x150 [ 6313.921249][ T73] ip6_dst_alloc+0x23/0x90 [ 6313.921249][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6313.921249][ T73] ip6_pol_route+0x56f/0x840 [ 6313.921249][ T73] fib6_rule_lookup+0x456/0x630 [ 6313.921249][ T73] ip6_route_input+0x59c/0xa50 [ 6313.921249][ T73] ipv6_rcv+0x397/0x810 [ 6313.921249][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6313.921249][ T73] process_backlog+0x101/0x620 [ 6313.921249][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6313.921249][ T73] net_rx_action+0x495/0xbe0 [ 6313.921249][ T73] __do_softirq+0x1b5/0x7f6 [ 6313.921249][ T73] [ 6313.922895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.922895][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.922895][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.922895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.922895][ T73] ip6_route_add+0x1c/0x140 [ 6313.922895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6313.922895][ T73] inet6_addr_add+0x4f8/0xa40 [ 6313.922895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.922895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.922895][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.922895][ T73] netlink_unicast+0x449/0x710 [ 6313.922895][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.922895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.922895][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.922895][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.922895][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.922895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.922895][ T73] [ 6313.924883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.924883][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.924883][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.924883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.924883][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6313.924883][ T73] ipv6_add_addr+0x411/0x2000 [ 6313.924883][ T73] inet6_addr_add+0x30e/0xa40 [ 6313.924883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.924883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.924883][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.924883][ T73] netlink_unicast+0x449/0x710 [ 6313.924883][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.924883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.924883][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.924883][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.924883][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.924883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.924883][ T73] [ 6313.926873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.926873][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.926873][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.926873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.926873][ T73] ip6_route_add+0x1c/0x140 [ 6313.926873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6313.926873][ T73] addrconf_add_dev+0xe2/0x170 [ 6313.926873][ T73] inet6_addr_add+0x12f/0xa40 [ 6313.926873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.926873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.926873][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.926873][ T73] netlink_unicast+0x449/0x710 [ 6313.926873][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.926873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.926873][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.926873][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.926873][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.926873][ T73] [ 6313.929361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.929361][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6313.929361][ T73] ipv6_find_idev+0x102/0x170 [ 6313.929361][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.929361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.929361][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.929361][ T73] netlink_unicast+0x449/0x710 [ 6313.929361][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.929361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.929361][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.929361][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.929361][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.929361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.929361][ T73] [ 6313.930927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6313.930927][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6313.930927][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6313.930927][ T73] ipv6_find_idev+0x102/0x170 [ 6313.930927][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.930927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.930927][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.930927][ T73] netlink_unicast+0x449/0x710 [ 6313.930927][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.930927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.930927][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.930927][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.930927][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.930927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.930927][ T73] [ 6313.932627][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6313.932911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.932911][ T73] dst_init+0x84/0x4a0 [ 6313.932911][ T73] dst_alloc+0x97/0x150 [ 6313.932911][ T73] ip6_dst_alloc+0x23/0x90 [ 6313.932911][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6313.932911][ T73] ip6_pol_route+0x56f/0x840 [ 6313.932911][ T73] fib6_rule_lookup+0x456/0x630 [ 6313.932911][ T73] ip6_route_input+0x59c/0xa50 [ 6313.932911][ T73] ipv6_rcv+0x397/0x810 [ 6313.932911][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6313.932911][ T73] process_backlog+0x101/0x620 [ 6313.932911][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6313.932911][ T73] net_rx_action+0x495/0xbe0 [ 6313.932911][ T73] __do_softirq+0x1b5/0x7f6 [ 6313.932911][ T73] [ 6313.934540][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.934540][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.934540][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.934540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.934540][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6313.934540][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6313.934540][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6313.934540][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6313.934540][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6313.934540][ T73] addrconf_dad_begin+0x310/0x670 [ 6313.934540][ T73] addrconf_dad_work+0x10b/0xab0 [ 6313.934540][ T73] process_one_work+0x84d/0x18a0 [ 6313.934540][ T73] worker_thread+0x587/0xd30 [ 6313.934540][ T73] kthread+0x28a/0x350 [ 6313.934540][ T73] ret_from_fork+0x31/0x70 [ 6313.934540][ T73] ret_from_fork_asm+0x1a/0x30 [ 6313.934540][ T73] [ 6313.936444][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.936444][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.936444][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.936444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.936444][ T73] ip6_route_add+0x1c/0x140 [ 6313.936444][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6313.936444][ T73] inet6_addr_add+0x4f8/0xa40 [ 6313.936444][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.936444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.936444][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.936444][ T73] netlink_unicast+0x449/0x710 [ 6313.936444][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.936444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.936444][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.936444][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.936444][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.936444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.936444][ T73] [ 6313.938811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.938811][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.938811][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.938811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.938811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6313.938811][ T73] ipv6_add_addr+0x411/0x2000 [ 6313.938811][ T73] inet6_addr_add+0x30e/0xa40 [ 6313.938811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.938811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.938811][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.938811][ T73] netlink_unicast+0x449/0x710 [ 6313.938811][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.938811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.938811][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.938811][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.938811][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.938811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.938811][ T73] [ 6313.940792][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.940792][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.940792][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.940792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.940792][ T73] ip6_route_add+0x1c/0x140 [ 6313.940792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6313.940792][ T73] addrconf_add_dev+0xe2/0x170 [ 6313.940792][ T73] inet6_addr_add+0x12f/0xa40 [ 6313.940792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.940792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.940792][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.940792][ T73] netlink_unicast+0x449/0x710 [ 6313.940792][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.940792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.940792][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.940792][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.940792][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.940792][ T73] [ 6313.942743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.942743][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6313.942743][ T73] ipv6_find_idev+0x102/0x170 [ 6313.942743][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.942743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.942743][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.942743][ T73] netlink_unicast+0x449/0x710 [ 6313.942743][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.942743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.942743][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.942743][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.942743][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.942743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.942743][ T73] [ 6313.944266][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6313.944266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6313.944266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6313.944266][ T73] ipv6_find_idev+0x102/0x170 [ 6313.944266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.944266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.944266][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.944266][ T73] netlink_unicast+0x449/0x710 [ 6313.944266][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.944266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.944266][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.944266][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.944266][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.944266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.944266][ T73] [ 6313.946056][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6313.946384][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.946384][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6313.946384][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6313.946384][ T73] fib6_nh_init+0xa22/0x1580 [ 6313.946384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.946384][ T73] ip6_route_add+0x1c/0x140 [ 6313.946384][ T73] inet6_rtm_newroute+0x104/0x110 [ 6313.946384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.946384][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.946384][ T73] netlink_unicast+0x449/0x710 [ 6313.946384][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.946384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.946384][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.946384][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.946384][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.946384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.946384][ T73] [ 6313.948423][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.948423][ T73] dst_init+0x84/0x4a0 [ 6313.948423][ T73] dst_alloc+0x97/0x150 [ 6313.948423][ T73] ip6_dst_alloc+0x23/0x90 [ 6313.948423][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6313.948423][ T73] ip6_pol_route+0x56f/0x840 [ 6313.948423][ T73] fib6_rule_lookup+0x456/0x630 [ 6313.948423][ T73] ip6_route_input+0x59c/0xa50 [ 6313.948423][ T73] ipv6_rcv+0x397/0x810 [ 6313.948423][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6313.948423][ T73] process_backlog+0x101/0x620 [ 6313.948423][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6313.948423][ T73] net_rx_action+0x495/0xbe0 [ 6313.948423][ T73] __do_softirq+0x1b5/0x7f6 [ 6313.948423][ T73] [ 6313.950233][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.950233][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.950233][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.950233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.950233][ T73] ip6_route_add+0x1c/0x140 [ 6313.950233][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6313.950233][ T73] inet6_addr_add+0x4f8/0xa40 [ 6313.950233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.950233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.950233][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.950233][ T73] netlink_unicast+0x449/0x710 [ 6313.950233][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.950233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.950233][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.950233][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.950233][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.950233][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.950233][ T73] [ 6313.952526][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.952526][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.952526][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.952526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.952526][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6313.952526][ T73] ipv6_add_addr+0x411/0x2000 [ 6313.952526][ T73] inet6_addr_add+0x30e/0xa40 [ 6313.952526][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.952526][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.952526][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.952526][ T73] netlink_unicast+0x449/0x710 [ 6313.952526][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.952526][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.952526][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.952526][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.952526][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.952526][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.952526][ T73] [ 6313.954746][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.954746][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.954746][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.954746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.954746][ T73] ip6_route_add+0x1c/0x140 [ 6313.954746][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6313.954746][ T73] addrconf_add_dev+0xe2/0x170 [ 6313.954746][ T73] inet6_addr_add+0x12f/0xa40 [ 6313.954746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.954746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.954746][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.954746][ T73] netlink_unicast+0x449/0x710 [ 6313.954746][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.954746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.954746][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.954746][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.954746][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.954746][ T73] [ 6313.956944][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.956944][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6313.956944][ T73] ipv6_find_idev+0x102/0x170 [ 6313.956944][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.956944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.956944][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.956944][ T73] netlink_unicast+0x449/0x710 [ 6313.956944][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.956944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.956944][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.956944][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.956944][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.956944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.956944][ T73] [ 6313.958660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6313.958660][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6313.958660][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6313.958660][ T73] ipv6_find_idev+0x102/0x170 [ 6313.958660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.958660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.958660][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.958660][ T73] netlink_unicast+0x449/0x710 [ 6313.958660][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.958660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.958660][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.958660][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.958660][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.958660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.958660][ T73] [ 6313.960983][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6313.961253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6313.961253][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.961253][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.961253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.961253][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6313.961253][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6313.961253][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6313.961253][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6313.961253][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6313.961253][ T73] addrconf_dad_begin+0x310/0x670 [ 6313.961253][ T73] addrconf_dad_work+0x10b/0xab0 [ 6313.961253][ T73] process_one_work+0x84d/0x18a0 [ 6313.961253][ T73] worker_thread+0x587/0xd30 [ 6313.961253][ T73] kthread+0x28a/0x350 [ 6313.961253][ T73] ret_from_fork+0x31/0x70 [ 6313.961253][ T73] ret_from_fork_asm+0x1a/0x30 [ 6313.961253][ T73] [ 6313.963167][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6313.963167][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.963167][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.963167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.963167][ T73] ip6_route_add+0x1c/0x140 [ 6313.963167][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6313.963167][ T73] inet6_addr_add+0x4f8/0xa40 [ 6313.963167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.963167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.963167][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.963167][ T73] netlink_unicast+0x449/0x710 [ 6313.963167][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.963167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.963167][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.963167][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.963167][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.963167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.963167][ T73] [ 6313.965262][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6313.965262][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.965262][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.965262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.965262][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6313.965262][ T73] ipv6_add_addr+0x411/0x2000 [ 6313.965262][ T73] inet6_addr_add+0x30e/0xa40 [ 6313.965262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.965262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.965262][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.965262][ T73] netlink_unicast+0x449/0x710 [ 6313.965262][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.965262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.965262][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.965262][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.965262][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.965262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.965262][ T73] [ 6313.967480][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6313.967480][ T73] netdev_get_by_index+0x5e/0x80 [ 6313.967480][ T73] fib6_nh_init+0x3d8/0x1580 [ 6313.967480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6313.967480][ T73] ip6_route_add+0x1c/0x140 [ 6313.967480][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6313.967480][ T73] addrconf_add_dev+0xe2/0x170 [ 6313.967480][ T73] inet6_addr_add+0x12f/0xa40 [ 6313.967480][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.967480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.967480][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.967480][ T73] netlink_unicast+0x449/0x710 [ 6313.967480][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.967480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.967480][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.967480][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.967480][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.967480][ T73] [ 6313.969604][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6313.969604][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6313.969604][ T73] ipv6_find_idev+0x102/0x170 [ 6313.969604][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.969604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.969604][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.969604][ T73] netlink_unicast+0x449/0x710 [ 6313.969604][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.969604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.969604][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.969604][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.969604][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.969604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.969604][ T73] [ 6313.971308][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6313.971308][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6313.971308][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6313.971308][ T73] ipv6_find_idev+0x102/0x170 [ 6313.971308][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.971308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.971308][ T73] netlink_rcv_skb+0x130/0x360 [ 6313.971308][ T73] netlink_unicast+0x449/0x710 [ 6313.971308][ T73] netlink_sendmsg+0x723/0xbe0 [ 6313.971308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6313.971308][ T73] ___sys_sendmsg+0xee/0x170 [ 6313.971308][ T73] __sys_sendmsg+0xcd/0x170 [ 6313.971308][ T73] do_syscall_64+0xc6/0x1e0 [ 6313.971308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.971308][ T73] [ 6324.214934][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6324.215410][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.215410][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6324.215410][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6324.215410][ T73] fib6_nh_init+0xa22/0x1580 [ 6324.215410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.215410][ T73] ip6_route_add+0x1c/0x140 [ 6324.215410][ T73] inet6_rtm_newroute+0x104/0x110 [ 6324.215410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.215410][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.215410][ T73] netlink_unicast+0x449/0x710 [ 6324.215410][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.215410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.215410][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.215410][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.215410][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.215410][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.215410][ T73] [ 6324.217303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.217303][ T73] dst_init+0x84/0x4a0 [ 6324.217303][ T73] dst_alloc+0x97/0x150 [ 6324.217303][ T73] ip6_dst_alloc+0x23/0x90 [ 6324.217303][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6324.217303][ T73] ip6_pol_route+0x56f/0x840 [ 6324.217303][ T73] fib6_rule_lookup+0x456/0x630 [ 6324.217303][ T73] ip6_route_input+0x59c/0xa50 [ 6324.217303][ T73] ipv6_rcv+0x397/0x810 [ 6324.217303][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6324.217303][ T73] process_backlog+0x101/0x620 [ 6324.217303][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6324.217303][ T73] net_rx_action+0x495/0xbe0 [ 6324.217303][ T73] __do_softirq+0x1b5/0x7f6 [ 6324.217303][ T73] [ 6324.218972][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.218972][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.218972][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.218972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.218972][ T73] ip6_route_add+0x1c/0x140 [ 6324.218972][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6324.218972][ T73] inet6_addr_add+0x4f8/0xa40 [ 6324.218972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.218972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.218972][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.218972][ T73] netlink_unicast+0x449/0x710 [ 6324.218972][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.218972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.218972][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.218972][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.218972][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.218972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.218972][ T73] [ 6324.221030][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.221030][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.221030][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.221030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.221030][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6324.221030][ T73] ipv6_add_addr+0x411/0x2000 [ 6324.221030][ T73] inet6_addr_add+0x30e/0xa40 [ 6324.221030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.221030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.221030][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.221030][ T73] netlink_unicast+0x449/0x710 [ 6324.221030][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.221030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.221030][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.221030][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.221030][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.221030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.221030][ T73] [ 6324.223069][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.223069][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.223069][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.223069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.223069][ T73] ip6_route_add+0x1c/0x140 [ 6324.223069][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6324.223069][ T73] addrconf_add_dev+0xe2/0x170 [ 6324.223069][ T73] inet6_addr_add+0x12f/0xa40 [ 6324.223069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.223069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.223069][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.223069][ T73] netlink_unicast+0x449/0x710 [ 6324.223069][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.223069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.223069][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.223069][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.223069][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.223069][ T73] [ 6324.225033][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.225033][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6324.225033][ T73] ipv6_find_idev+0x102/0x170 [ 6324.225033][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.225033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.225033][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.225033][ T73] netlink_unicast+0x449/0x710 [ 6324.225033][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.225033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.225033][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.225033][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.225033][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.225033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.225033][ T73] [ 6324.226600][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6324.226600][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6324.226600][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6324.226600][ T73] ipv6_find_idev+0x102/0x170 [ 6324.226600][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.226600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.226600][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.226600][ T73] netlink_unicast+0x449/0x710 [ 6324.226600][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.226600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.226600][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.226600][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.226600][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.226600][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.226600][ T73] [ 6324.228331][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6324.228616][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.228616][ T73] dst_init+0x84/0x4a0 [ 6324.228616][ T73] dst_alloc+0x97/0x150 [ 6324.228616][ T73] ip6_dst_alloc+0x23/0x90 [ 6324.228616][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6324.228616][ T73] ip6_pol_route+0x56f/0x840 [ 6324.228616][ T73] fib6_rule_lookup+0x456/0x630 [ 6324.228616][ T73] ip6_route_input+0x59c/0xa50 [ 6324.228616][ T73] ipv6_rcv+0x397/0x810 [ 6324.228616][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6324.228616][ T73] process_backlog+0x101/0x620 [ 6324.228616][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6324.228616][ T73] net_rx_action+0x495/0xbe0 [ 6324.228616][ T73] __do_softirq+0x1b5/0x7f6 [ 6324.228616][ T73] [ 6324.230267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.230267][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.230267][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.230267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.230267][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6324.230267][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6324.230267][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6324.230267][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6324.230267][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6324.230267][ T73] addrconf_dad_begin+0x310/0x670 [ 6324.230267][ T73] addrconf_dad_work+0x10b/0xab0 [ 6324.230267][ T73] process_one_work+0x84d/0x18a0 [ 6324.230267][ T73] worker_thread+0x587/0xd30 [ 6324.230267][ T73] kthread+0x28a/0x350 [ 6324.230267][ T73] ret_from_fork+0x31/0x70 [ 6324.230267][ T73] ret_from_fork_asm+0x1a/0x30 [ 6324.230267][ T73] [ 6324.232194][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.232194][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.232194][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.232194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.232194][ T73] ip6_route_add+0x1c/0x140 [ 6324.232194][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6324.232194][ T73] inet6_addr_add+0x4f8/0xa40 [ 6324.232194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.232194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.232194][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.232194][ T73] netlink_unicast+0x449/0x710 [ 6324.232194][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.232194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.232194][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.232194][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.232194][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.232194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.232194][ T73] [ 6324.234202][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.234202][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.234202][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.234202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.234202][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6324.234202][ T73] ipv6_add_addr+0x411/0x2000 [ 6324.234202][ T73] inet6_addr_add+0x30e/0xa40 [ 6324.234202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.234202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.234202][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.234202][ T73] netlink_unicast+0x449/0x710 [ 6324.234202][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.234202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.234202][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.234202][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.234202][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.234202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.234202][ T73] [ 6324.236214][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.236214][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.236214][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.236214][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.236214][ T73] ip6_route_add+0x1c/0x140 [ 6324.236214][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6324.236214][ T73] addrconf_add_dev+0xe2/0x170 [ 6324.236214][ T73] inet6_addr_add+0x12f/0xa40 [ 6324.236214][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.236214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.236214][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.236214][ T73] netlink_unicast+0x449/0x710 [ 6324.236214][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.236214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.236214][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.236214][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.236214][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.236214][ T73] [ 6324.238203][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.238203][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6324.238203][ T73] ipv6_find_idev+0x102/0x170 [ 6324.238203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.238203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.238203][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.238203][ T73] netlink_unicast+0x449/0x710 [ 6324.238203][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.238203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.238203][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.238203][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.238203][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.238203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.238203][ T73] [ 6324.239747][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6324.239747][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6324.239747][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6324.239747][ T73] ipv6_find_idev+0x102/0x170 [ 6324.239747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.239747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.239747][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.239747][ T73] netlink_unicast+0x449/0x710 [ 6324.239747][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.239747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.239747][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.239747][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.239747][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.239747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.239747][ T73] [ 6324.241532][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6324.241876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.241876][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6324.241876][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6324.241876][ T73] fib6_nh_init+0xa22/0x1580 [ 6324.241876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.241876][ T73] ip6_route_add+0x1c/0x140 [ 6324.241876][ T73] inet6_rtm_newroute+0x104/0x110 [ 6324.241876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.241876][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.241876][ T73] netlink_unicast+0x449/0x710 [ 6324.241876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.241876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.241876][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.241876][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.241876][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.241876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.241876][ T73] [ 6324.244028][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.244028][ T73] dst_init+0x84/0x4a0 [ 6324.244028][ T73] dst_alloc+0x97/0x150 [ 6324.244028][ T73] ip6_dst_alloc+0x23/0x90 [ 6324.244028][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6324.244028][ T73] ip6_pol_route+0x56f/0x840 [ 6324.244028][ T73] fib6_rule_lookup+0x456/0x630 [ 6324.244028][ T73] ip6_route_input+0x59c/0xa50 [ 6324.244028][ T73] ipv6_rcv+0x397/0x810 [ 6324.244028][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6324.244028][ T73] process_backlog+0x101/0x620 [ 6324.244028][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6324.244028][ T73] net_rx_action+0x495/0xbe0 [ 6324.244028][ T73] __do_softirq+0x1b5/0x7f6 [ 6324.244028][ T73] [ 6324.245871][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.245871][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.245871][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.245871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.245871][ T73] ip6_route_add+0x1c/0x140 [ 6324.245871][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6324.245871][ T73] inet6_addr_add+0x4f8/0xa40 [ 6324.245871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.245871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.245871][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.245871][ T73] netlink_unicast+0x449/0x710 [ 6324.245871][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.245871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.245871][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.245871][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.245871][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.245871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.245871][ T73] [ 6324.248157][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.248157][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.248157][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.248157][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.248157][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6324.248157][ T73] ipv6_add_addr+0x411/0x2000 [ 6324.248157][ T73] inet6_addr_add+0x30e/0xa40 [ 6324.248157][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.248157][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.248157][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.248157][ T73] netlink_unicast+0x449/0x710 [ 6324.248157][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.248157][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.248157][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.248157][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.248157][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.248157][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.248157][ T73] [ 6324.250376][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.250376][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.250376][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.250376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.250376][ T73] ip6_route_add+0x1c/0x140 [ 6324.250376][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6324.250376][ T73] addrconf_add_dev+0xe2/0x170 [ 6324.250376][ T73] inet6_addr_add+0x12f/0xa40 [ 6324.250376][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.250376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.250376][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.250376][ T73] netlink_unicast+0x449/0x710 [ 6324.250376][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.250376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.250376][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.250376][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.250376][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.250376][ T73] [ 6324.252651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.252651][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6324.252651][ T73] ipv6_find_idev+0x102/0x170 [ 6324.252651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.252651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.252651][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.252651][ T73] netlink_unicast+0x449/0x710 [ 6324.252651][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.252651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.252651][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.252651][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.252651][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.252651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.252651][ T73] [ 6324.254369][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6324.254369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6324.254369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6324.254369][ T73] ipv6_find_idev+0x102/0x170 [ 6324.254369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.254369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.254369][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.254369][ T73] netlink_unicast+0x449/0x710 [ 6324.254369][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.254369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.254369][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.254369][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.254369][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.254369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.254369][ T73] [ 6324.256256][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6324.256526][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6324.256526][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.256526][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.256526][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.256526][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6324.256526][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6324.256526][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6324.256526][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6324.256526][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6324.256526][ T73] addrconf_dad_begin+0x310/0x670 [ 6324.256526][ T73] addrconf_dad_work+0x10b/0xab0 [ 6324.256526][ T73] process_one_work+0x84d/0x18a0 [ 6324.256526][ T73] worker_thread+0x587/0xd30 [ 6324.256526][ T73] kthread+0x28a/0x350 [ 6324.256526][ T73] ret_from_fork+0x31/0x70 [ 6324.256526][ T73] ret_from_fork_asm+0x1a/0x30 [ 6324.256526][ T73] [ 6324.258707][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6324.258707][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.258707][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.258707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.258707][ T73] ip6_route_add+0x1c/0x140 [ 6324.258707][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6324.258707][ T73] inet6_addr_add+0x4f8/0xa40 [ 6324.258707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.258707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.258707][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.258707][ T73] netlink_unicast+0x449/0x710 [ 6324.258707][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.258707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.258707][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.258707][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.258707][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.258707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.258707][ T73] [ 6324.260954][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6324.260954][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.260954][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.260954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.260954][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6324.260954][ T73] ipv6_add_addr+0x411/0x2000 [ 6324.260954][ T73] inet6_addr_add+0x30e/0xa40 [ 6324.260954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.260954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.260954][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.260954][ T73] netlink_unicast+0x449/0x710 [ 6324.260954][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.260954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.260954][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.260954][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.260954][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.260954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.260954][ T73] [ 6324.263279][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6324.263279][ T73] netdev_get_by_index+0x5e/0x80 [ 6324.263279][ T73] fib6_nh_init+0x3d8/0x1580 [ 6324.263279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6324.263279][ T73] ip6_route_add+0x1c/0x140 [ 6324.263279][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6324.263279][ T73] addrconf_add_dev+0xe2/0x170 [ 6324.263279][ T73] inet6_addr_add+0x12f/0xa40 [ 6324.263279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.263279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.263279][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.263279][ T73] netlink_unicast+0x449/0x710 [ 6324.263279][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.263279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.263279][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.263279][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.263279][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.263279][ T73] [ 6324.265437][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6324.265437][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6324.265437][ T73] ipv6_find_idev+0x102/0x170 [ 6324.265437][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.265437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.265437][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.265437][ T73] netlink_unicast+0x449/0x710 [ 6324.265437][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.265437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.265437][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.265437][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.265437][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.265437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.265437][ T73] [ 6324.267178][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6324.267178][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6324.267178][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6324.267178][ T73] ipv6_find_idev+0x102/0x170 [ 6324.267178][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.267178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.267178][ T73] netlink_rcv_skb+0x130/0x360 [ 6324.267178][ T73] netlink_unicast+0x449/0x710 [ 6324.267178][ T73] netlink_sendmsg+0x723/0xbe0 [ 6324.267178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6324.267178][ T73] ___sys_sendmsg+0xee/0x170 [ 6324.267178][ T73] __sys_sendmsg+0xcd/0x170 [ 6324.267178][ T73] do_syscall_64+0xc6/0x1e0 [ 6324.267178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.267178][ T73] [ 6334.510924][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6334.511393][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.511393][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6334.511393][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6334.511393][ T73] fib6_nh_init+0xa22/0x1580 [ 6334.511393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.511393][ T73] ip6_route_add+0x1c/0x140 [ 6334.511393][ T73] inet6_rtm_newroute+0x104/0x110 [ 6334.511393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.511393][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.511393][ T73] netlink_unicast+0x449/0x710 [ 6334.511393][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.511393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.511393][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.511393][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.511393][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.511393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.511393][ T73] [ 6334.513277][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.513277][ T73] dst_init+0x84/0x4a0 [ 6334.513277][ T73] dst_alloc+0x97/0x150 [ 6334.513277][ T73] ip6_dst_alloc+0x23/0x90 [ 6334.513277][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6334.513277][ T73] ip6_pol_route+0x56f/0x840 [ 6334.513277][ T73] fib6_rule_lookup+0x456/0x630 [ 6334.513277][ T73] ip6_route_input+0x59c/0xa50 [ 6334.513277][ T73] ipv6_rcv+0x397/0x810 [ 6334.513277][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6334.513277][ T73] process_backlog+0x101/0x620 [ 6334.513277][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6334.513277][ T73] net_rx_action+0x495/0xbe0 [ 6334.513277][ T73] __do_softirq+0x1b5/0x7f6 [ 6334.513277][ T73] [ 6334.514906][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.514906][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.514906][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.514906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.514906][ T73] ip6_route_add+0x1c/0x140 [ 6334.514906][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6334.514906][ T73] inet6_addr_add+0x4f8/0xa40 [ 6334.514906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.514906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.514906][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.514906][ T73] netlink_unicast+0x449/0x710 [ 6334.514906][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.514906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.514906][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.514906][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.514906][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.514906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.514906][ T73] [ 6334.516904][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.516904][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.516904][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.516904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.516904][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6334.516904][ T73] ipv6_add_addr+0x411/0x2000 [ 6334.516904][ T73] inet6_addr_add+0x30e/0xa40 [ 6334.516904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.516904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.516904][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.516904][ T73] netlink_unicast+0x449/0x710 [ 6334.516904][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.516904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.516904][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.516904][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.516904][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.516904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.516904][ T73] [ 6334.518889][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.518889][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.518889][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.518889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.518889][ T73] ip6_route_add+0x1c/0x140 [ 6334.518889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6334.518889][ T73] addrconf_add_dev+0xe2/0x170 [ 6334.518889][ T73] inet6_addr_add+0x12f/0xa40 [ 6334.518889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.518889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.518889][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.518889][ T73] netlink_unicast+0x449/0x710 [ 6334.518889][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.518889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.518889][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.518889][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.518889][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.518889][ T73] [ 6334.520853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.520853][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6334.520853][ T73] ipv6_find_idev+0x102/0x170 [ 6334.520853][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.520853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.520853][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.520853][ T73] netlink_unicast+0x449/0x710 [ 6334.520853][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.520853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.520853][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.520853][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.520853][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.520853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.520853][ T73] [ 6334.522411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6334.522411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6334.522411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6334.522411][ T73] ipv6_find_idev+0x102/0x170 [ 6334.522411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.522411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.522411][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.522411][ T73] netlink_unicast+0x449/0x710 [ 6334.522411][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.522411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.522411][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.522411][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.522411][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.522411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.522411][ T73] [ 6334.524086][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6334.524356][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.524356][ T73] dst_init+0x84/0x4a0 [ 6334.524356][ T73] dst_alloc+0x97/0x150 [ 6334.524356][ T73] ip6_dst_alloc+0x23/0x90 [ 6334.524356][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6334.524356][ T73] ip6_pol_route+0x56f/0x840 [ 6334.524356][ T73] fib6_rule_lookup+0x456/0x630 [ 6334.524356][ T73] ip6_route_input+0x59c/0xa50 [ 6334.524356][ T73] ipv6_rcv+0x397/0x810 [ 6334.524356][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6334.524356][ T73] process_backlog+0x101/0x620 [ 6334.524356][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6334.524356][ T73] net_rx_action+0x495/0xbe0 [ 6334.524356][ T73] __do_softirq+0x1b5/0x7f6 [ 6334.524356][ T73] [ 6334.525987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.525987][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.525987][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.525987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.525987][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6334.525987][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6334.525987][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6334.525987][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6334.525987][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6334.525987][ T73] addrconf_dad_begin+0x310/0x670 [ 6334.525987][ T73] addrconf_dad_work+0x10b/0xab0 [ 6334.525987][ T73] process_one_work+0x84d/0x18a0 [ 6334.525987][ T73] worker_thread+0x587/0xd30 [ 6334.525987][ T73] kthread+0x28a/0x350 [ 6334.525987][ T73] ret_from_fork+0x31/0x70 [ 6334.525987][ T73] ret_from_fork_asm+0x1a/0x30 [ 6334.525987][ T73] [ 6334.527878][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.527878][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.527878][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.527878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.527878][ T73] ip6_route_add+0x1c/0x140 [ 6334.527878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6334.527878][ T73] inet6_addr_add+0x4f8/0xa40 [ 6334.527878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.527878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.527878][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.527878][ T73] netlink_unicast+0x449/0x710 [ 6334.527878][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.527878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.527878][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.527878][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.527878][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.527878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.527878][ T73] [ 6334.529875][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.529875][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.529875][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.529875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.529875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6334.529875][ T73] ipv6_add_addr+0x411/0x2000 [ 6334.529875][ T73] inet6_addr_add+0x30e/0xa40 [ 6334.529875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.529875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.529875][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.529875][ T73] netlink_unicast+0x449/0x710 [ 6334.529875][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.529875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.529875][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.529875][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.529875][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.529875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.529875][ T73] [ 6334.531870][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.531870][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.531870][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.531870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.531870][ T73] ip6_route_add+0x1c/0x140 [ 6334.531870][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6334.531870][ T73] addrconf_add_dev+0xe2/0x170 [ 6334.531870][ T73] inet6_addr_add+0x12f/0xa40 [ 6334.531870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.531870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.531870][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.531870][ T73] netlink_unicast+0x449/0x710 [ 6334.531870][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.531870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.531870][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.531870][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.531870][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.531870][ T73] [ 6334.533821][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.533821][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6334.533821][ T73] ipv6_find_idev+0x102/0x170 [ 6334.533821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.533821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.533821][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.533821][ T73] netlink_unicast+0x449/0x710 [ 6334.533821][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.533821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.533821][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.533821][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.533821][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.533821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.533821][ T73] [ 6334.535352][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6334.535352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6334.535352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6334.535352][ T73] ipv6_find_idev+0x102/0x170 [ 6334.535352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.535352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.535352][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.535352][ T73] netlink_unicast+0x449/0x710 [ 6334.535352][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.535352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.535352][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.535352][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.535352][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.535352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.535352][ T73] [ 6334.537233][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6334.537505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.537505][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6334.537505][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6334.537505][ T73] fib6_nh_init+0xa22/0x1580 [ 6334.537505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.537505][ T73] ip6_route_add+0x1c/0x140 [ 6334.537505][ T73] inet6_rtm_newroute+0x104/0x110 [ 6334.537505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.537505][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.537505][ T73] netlink_unicast+0x449/0x710 [ 6334.537505][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.537505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.537505][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.537505][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.537505][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.537505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.537505][ T73] [ 6334.539497][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.539497][ T73] dst_init+0x84/0x4a0 [ 6334.539497][ T73] dst_alloc+0x97/0x150 [ 6334.539497][ T73] ip6_dst_alloc+0x23/0x90 [ 6334.539497][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6334.539497][ T73] ip6_pol_route+0x56f/0x840 [ 6334.539497][ T73] fib6_rule_lookup+0x456/0x630 [ 6334.539497][ T73] ip6_route_input+0x59c/0xa50 [ 6334.539497][ T73] ipv6_rcv+0x397/0x810 [ 6334.539497][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6334.539497][ T73] process_backlog+0x101/0x620 [ 6334.539497][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6334.539497][ T73] net_rx_action+0x495/0xbe0 [ 6334.539497][ T73] __do_softirq+0x1b5/0x7f6 [ 6334.539497][ T73] [ 6334.541250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.541250][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.541250][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.541250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.541250][ T73] ip6_route_add+0x1c/0x140 [ 6334.541250][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6334.541250][ T73] inet6_addr_add+0x4f8/0xa40 [ 6334.541250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.541250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.541250][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.541250][ T73] netlink_unicast+0x449/0x710 [ 6334.541250][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.541250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.541250][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.541250][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.541250][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.541250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.541250][ T73] [ 6334.543377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.543377][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.543377][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.543377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.543377][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6334.543377][ T73] ipv6_add_addr+0x411/0x2000 [ 6334.543377][ T73] inet6_addr_add+0x30e/0xa40 [ 6334.543377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.543377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.543377][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.543377][ T73] netlink_unicast+0x449/0x710 [ 6334.543377][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.543377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.543377][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.543377][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.543377][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.543377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.543377][ T73] [ 6334.545508][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.545508][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.545508][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.545508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.545508][ T73] ip6_route_add+0x1c/0x140 [ 6334.545508][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6334.545508][ T73] addrconf_add_dev+0xe2/0x170 [ 6334.545508][ T73] inet6_addr_add+0x12f/0xa40 [ 6334.545508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.545508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.545508][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.545508][ T73] netlink_unicast+0x449/0x710 [ 6334.545508][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.545508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.545508][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.545508][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.545508][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.545508][ T73] [ 6334.547594][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.547594][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6334.547594][ T73] ipv6_find_idev+0x102/0x170 [ 6334.547594][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.547594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.547594][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.547594][ T73] netlink_unicast+0x449/0x710 [ 6334.547594][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.547594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.547594][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.547594][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.547594][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.547594][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.547594][ T73] [ 6334.549189][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6334.549189][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6334.549189][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6334.549189][ T73] ipv6_find_idev+0x102/0x170 [ 6334.549189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.549189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.549189][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.549189][ T73] netlink_unicast+0x449/0x710 [ 6334.549189][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.549189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.549189][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.549189][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.549189][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.549189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.549189][ T73] [ 6334.550995][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6334.551278][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6334.551278][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.551278][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.551278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.551278][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6334.551278][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6334.551278][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6334.551278][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6334.551278][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6334.551278][ T73] addrconf_dad_begin+0x310/0x670 [ 6334.551278][ T73] addrconf_dad_work+0x10b/0xab0 [ 6334.551278][ T73] process_one_work+0x84d/0x18a0 [ 6334.551278][ T73] worker_thread+0x587/0xd30 [ 6334.551278][ T73] kthread+0x28a/0x350 [ 6334.551278][ T73] ret_from_fork+0x31/0x70 [ 6334.551278][ T73] ret_from_fork_asm+0x1a/0x30 [ 6334.551278][ T73] [ 6334.553312][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6334.553312][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.553312][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.553312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.553312][ T73] ip6_route_add+0x1c/0x140 [ 6334.553312][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6334.553312][ T73] inet6_addr_add+0x4f8/0xa40 [ 6334.553312][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.553312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.553312][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.553312][ T73] netlink_unicast+0x449/0x710 [ 6334.553312][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.553312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.553312][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.553312][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.553312][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.553312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.553312][ T73] [ 6334.555424][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6334.555424][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.555424][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.555424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.555424][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6334.555424][ T73] ipv6_add_addr+0x411/0x2000 [ 6334.555424][ T73] inet6_addr_add+0x30e/0xa40 [ 6334.555424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.555424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.555424][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.555424][ T73] netlink_unicast+0x449/0x710 [ 6334.555424][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.555424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.555424][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.555424][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.555424][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.555424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.555424][ T73] [ 6334.557539][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6334.557539][ T73] netdev_get_by_index+0x5e/0x80 [ 6334.557539][ T73] fib6_nh_init+0x3d8/0x1580 [ 6334.557539][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6334.557539][ T73] ip6_route_add+0x1c/0x140 [ 6334.557539][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6334.557539][ T73] addrconf_add_dev+0xe2/0x170 [ 6334.557539][ T73] inet6_addr_add+0x12f/0xa40 [ 6334.557539][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.557539][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.557539][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.557539][ T73] netlink_unicast+0x449/0x710 [ 6334.557539][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.557539][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.557539][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.557539][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.557539][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.557539][ T73] [ 6334.559619][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6334.559619][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6334.559619][ T73] ipv6_find_idev+0x102/0x170 [ 6334.559619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.559619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.559619][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.559619][ T73] netlink_unicast+0x449/0x710 [ 6334.559619][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.559619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.559619][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.559619][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.559619][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.559619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.559619][ T73] [ 6334.561214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6334.561214][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6334.561214][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6334.561214][ T73] ipv6_find_idev+0x102/0x170 [ 6334.561214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.561214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.561214][ T73] netlink_rcv_skb+0x130/0x360 [ 6334.561214][ T73] netlink_unicast+0x449/0x710 [ 6334.561214][ T73] netlink_sendmsg+0x723/0xbe0 [ 6334.561214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6334.561214][ T73] ___sys_sendmsg+0xee/0x170 [ 6334.561214][ T73] __sys_sendmsg+0xcd/0x170 [ 6334.561214][ T73] do_syscall_64+0xc6/0x1e0 [ 6334.561214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.561214][ T73] [ 6344.798903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6344.799360][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.799360][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6344.799360][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6344.799360][ T73] fib6_nh_init+0xa22/0x1580 [ 6344.799360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.799360][ T73] ip6_route_add+0x1c/0x140 [ 6344.799360][ T73] inet6_rtm_newroute+0x104/0x110 [ 6344.799360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.799360][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.799360][ T73] netlink_unicast+0x449/0x710 [ 6344.799360][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.799360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.799360][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.799360][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.799360][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.799360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.799360][ T73] [ 6344.801249][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.801249][ T73] dst_init+0x84/0x4a0 [ 6344.801249][ T73] dst_alloc+0x97/0x150 [ 6344.801249][ T73] ip6_dst_alloc+0x23/0x90 [ 6344.801249][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6344.801249][ T73] ip6_pol_route+0x56f/0x840 [ 6344.801249][ T73] fib6_rule_lookup+0x456/0x630 [ 6344.801249][ T73] ip6_route_input+0x59c/0xa50 [ 6344.801249][ T73] ipv6_rcv+0x397/0x810 [ 6344.801249][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6344.801249][ T73] process_backlog+0x101/0x620 [ 6344.801249][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6344.801249][ T73] net_rx_action+0x495/0xbe0 [ 6344.801249][ T73] __do_softirq+0x1b5/0x7f6 [ 6344.801249][ T73] [ 6344.802894][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.802894][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.802894][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.802894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.802894][ T73] ip6_route_add+0x1c/0x140 [ 6344.802894][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6344.802894][ T73] inet6_addr_add+0x4f8/0xa40 [ 6344.802894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.802894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.802894][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.802894][ T73] netlink_unicast+0x449/0x710 [ 6344.802894][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.802894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.802894][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.802894][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.802894][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.802894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.802894][ T73] [ 6344.804870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.804870][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.804870][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.804870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.804870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6344.804870][ T73] ipv6_add_addr+0x411/0x2000 [ 6344.804870][ T73] inet6_addr_add+0x30e/0xa40 [ 6344.804870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.804870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.804870][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.804870][ T73] netlink_unicast+0x449/0x710 [ 6344.804870][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.804870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.804870][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.804870][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.804870][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.804870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.804870][ T73] [ 6344.806850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.806850][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.806850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.806850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.806850][ T73] ip6_route_add+0x1c/0x140 [ 6344.806850][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6344.806850][ T73] addrconf_add_dev+0xe2/0x170 [ 6344.806850][ T73] inet6_addr_add+0x12f/0xa40 [ 6344.806850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.806850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.806850][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.806850][ T73] netlink_unicast+0x449/0x710 [ 6344.806850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.806850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.806850][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.806850][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.806850][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.806850][ T73] [ 6344.808793][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.808793][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6344.808793][ T73] ipv6_find_idev+0x102/0x170 [ 6344.808793][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.808793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.808793][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.808793][ T73] netlink_unicast+0x449/0x710 [ 6344.808793][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.808793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.808793][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.808793][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.808793][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.808793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.808793][ T73] [ 6344.810322][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6344.810322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6344.810322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6344.810322][ T73] ipv6_find_idev+0x102/0x170 [ 6344.810322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.810322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.810322][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.810322][ T73] netlink_unicast+0x449/0x710 [ 6344.810322][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.810322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.810322][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.810322][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.810322][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.810322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.810322][ T73] [ 6344.812007][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6344.812279][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.812279][ T73] dst_init+0x84/0x4a0 [ 6344.812279][ T73] dst_alloc+0x97/0x150 [ 6344.812279][ T73] ip6_dst_alloc+0x23/0x90 [ 6344.812279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6344.812279][ T73] ip6_pol_route+0x56f/0x840 [ 6344.812279][ T73] fib6_rule_lookup+0x456/0x630 [ 6344.812279][ T73] ip6_route_input+0x59c/0xa50 [ 6344.812279][ T73] ipv6_rcv+0x397/0x810 [ 6344.812279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6344.812279][ T73] process_backlog+0x101/0x620 [ 6344.812279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6344.812279][ T73] net_rx_action+0x495/0xbe0 [ 6344.812279][ T73] __do_softirq+0x1b5/0x7f6 [ 6344.812279][ T73] [ 6344.813930][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.813930][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.813930][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.813930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.813930][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6344.813930][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6344.813930][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6344.813930][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6344.813930][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6344.813930][ T73] addrconf_dad_begin+0x310/0x670 [ 6344.813930][ T73] addrconf_dad_work+0x10b/0xab0 [ 6344.813930][ T73] process_one_work+0x84d/0x18a0 [ 6344.813930][ T73] worker_thread+0x587/0xd30 [ 6344.813930][ T73] kthread+0x28a/0x350 [ 6344.813930][ T73] ret_from_fork+0x31/0x70 [ 6344.813930][ T73] ret_from_fork_asm+0x1a/0x30 [ 6344.813930][ T73] [ 6344.815827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.815827][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.815827][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.815827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.815827][ T73] ip6_route_add+0x1c/0x140 [ 6344.815827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6344.815827][ T73] inet6_addr_add+0x4f8/0xa40 [ 6344.815827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.815827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.815827][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.815827][ T73] netlink_unicast+0x449/0x710 [ 6344.815827][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.815827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.815827][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.815827][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.815827][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.815827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.815827][ T73] [ 6344.817811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.817811][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.817811][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.817811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.817811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6344.817811][ T73] ipv6_add_addr+0x411/0x2000 [ 6344.817811][ T73] inet6_addr_add+0x30e/0xa40 [ 6344.817811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.817811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.817811][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.817811][ T73] netlink_unicast+0x449/0x710 [ 6344.817811][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.817811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.817811][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.817811][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.817811][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.817811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.817811][ T73] [ 6344.819811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.819811][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.819811][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.819811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.819811][ T73] ip6_route_add+0x1c/0x140 [ 6344.819811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6344.819811][ T73] addrconf_add_dev+0xe2/0x170 [ 6344.819811][ T73] inet6_addr_add+0x12f/0xa40 [ 6344.819811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.819811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.819811][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.819811][ T73] netlink_unicast+0x449/0x710 [ 6344.819811][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.819811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.819811][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.819811][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.819811][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.819811][ T73] [ 6344.821764][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.821764][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6344.821764][ T73] ipv6_find_idev+0x102/0x170 [ 6344.821764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.821764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.821764][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.821764][ T73] netlink_unicast+0x449/0x710 [ 6344.821764][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.821764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.821764][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.821764][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.821764][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.821764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.821764][ T73] [ 6344.823299][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6344.823299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6344.823299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6344.823299][ T73] ipv6_find_idev+0x102/0x170 [ 6344.823299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.823299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.823299][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.823299][ T73] netlink_unicast+0x449/0x710 [ 6344.823299][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.823299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.823299][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.823299][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.823299][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.823299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.823299][ T73] [ 6344.825031][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6344.825415][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.825415][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6344.825415][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6344.825415][ T73] fib6_nh_init+0xa22/0x1580 [ 6344.825415][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.825415][ T73] ip6_route_add+0x1c/0x140 [ 6344.825415][ T73] inet6_rtm_newroute+0x104/0x110 [ 6344.825415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.825415][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.825415][ T73] netlink_unicast+0x449/0x710 [ 6344.825415][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.825415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.825415][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.825415][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.825415][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.825415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.825415][ T73] [ 6344.827456][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.827456][ T73] dst_init+0x84/0x4a0 [ 6344.827456][ T73] dst_alloc+0x97/0x150 [ 6344.827456][ T73] ip6_dst_alloc+0x23/0x90 [ 6344.827456][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6344.827456][ T73] ip6_pol_route+0x56f/0x840 [ 6344.827456][ T73] fib6_rule_lookup+0x456/0x630 [ 6344.827456][ T73] ip6_route_input+0x59c/0xa50 [ 6344.827456][ T73] ipv6_rcv+0x397/0x810 [ 6344.827456][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6344.827456][ T73] process_backlog+0x101/0x620 [ 6344.827456][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6344.827456][ T73] net_rx_action+0x495/0xbe0 [ 6344.827456][ T73] __do_softirq+0x1b5/0x7f6 [ 6344.827456][ T73] [ 6344.829261][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.829261][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.829261][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.829261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.829261][ T73] ip6_route_add+0x1c/0x140 [ 6344.829261][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6344.829261][ T73] inet6_addr_add+0x4f8/0xa40 [ 6344.829261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.829261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.829261][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.829261][ T73] netlink_unicast+0x449/0x710 [ 6344.829261][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.829261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.829261][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.829261][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.829261][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.829261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.829261][ T73] [ 6344.831492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.831492][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.831492][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.831492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.831492][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6344.831492][ T73] ipv6_add_addr+0x411/0x2000 [ 6344.831492][ T73] inet6_addr_add+0x30e/0xa40 [ 6344.831492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.831492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.831492][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.831492][ T73] netlink_unicast+0x449/0x710 [ 6344.831492][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.831492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.831492][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.831492][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.831492][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.831492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.831492][ T73] [ 6344.833715][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.833715][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.833715][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.833715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.833715][ T73] ip6_route_add+0x1c/0x140 [ 6344.833715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6344.833715][ T73] addrconf_add_dev+0xe2/0x170 [ 6344.833715][ T73] inet6_addr_add+0x12f/0xa40 [ 6344.833715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.833715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.833715][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.833715][ T73] netlink_unicast+0x449/0x710 [ 6344.833715][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.833715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.833715][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.833715][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.833715][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.833715][ T73] [ 6344.835968][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.835968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6344.835968][ T73] ipv6_find_idev+0x102/0x170 [ 6344.835968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.835968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.835968][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.835968][ T73] netlink_unicast+0x449/0x710 [ 6344.835968][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.835968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.835968][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.835968][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.835968][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.835968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.835968][ T73] [ 6344.837672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6344.837672][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6344.837672][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6344.837672][ T73] ipv6_find_idev+0x102/0x170 [ 6344.837672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.837672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.837672][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.837672][ T73] netlink_unicast+0x449/0x710 [ 6344.837672][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.837672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.837672][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.837672][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.837672][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.837672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.837672][ T73] [ 6344.839528][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6344.839799][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6344.839799][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.839799][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.839799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.839799][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6344.839799][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6344.839799][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6344.839799][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6344.839799][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6344.839799][ T73] addrconf_dad_begin+0x310/0x670 [ 6344.839799][ T73] addrconf_dad_work+0x10b/0xab0 [ 6344.839799][ T73] process_one_work+0x84d/0x18a0 [ 6344.839799][ T73] worker_thread+0x587/0xd30 [ 6344.839799][ T73] kthread+0x28a/0x350 [ 6344.839799][ T73] ret_from_fork+0x31/0x70 [ 6344.839799][ T73] ret_from_fork_asm+0x1a/0x30 [ 6344.839799][ T73] [ 6344.841949][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6344.841949][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.841949][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.841949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.841949][ T73] ip6_route_add+0x1c/0x140 [ 6344.841949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6344.841949][ T73] inet6_addr_add+0x4f8/0xa40 [ 6344.841949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.841949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.841949][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.841949][ T73] netlink_unicast+0x449/0x710 [ 6344.841949][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.841949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.841949][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.841949][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.841949][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.841949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.841949][ T73] [ 6344.844237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6344.844237][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.844237][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.844237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.844237][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6344.844237][ T73] ipv6_add_addr+0x411/0x2000 [ 6344.844237][ T73] inet6_addr_add+0x30e/0xa40 [ 6344.844237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.844237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.844237][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.844237][ T73] netlink_unicast+0x449/0x710 [ 6344.844237][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.844237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.844237][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.844237][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.844237][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.844237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.844237][ T73] [ 6344.846458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6344.846458][ T73] netdev_get_by_index+0x5e/0x80 [ 6344.846458][ T73] fib6_nh_init+0x3d8/0x1580 [ 6344.846458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6344.846458][ T73] ip6_route_add+0x1c/0x140 [ 6344.846458][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6344.846458][ T73] addrconf_add_dev+0xe2/0x170 [ 6344.846458][ T73] inet6_addr_add+0x12f/0xa40 [ 6344.846458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.846458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.846458][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.846458][ T73] netlink_unicast+0x449/0x710 [ 6344.846458][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.846458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.846458][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.846458][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.846458][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.846458][ T73] [ 6344.848585][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6344.848585][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6344.848585][ T73] ipv6_find_idev+0x102/0x170 [ 6344.848585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.848585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.848585][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.848585][ T73] netlink_unicast+0x449/0x710 [ 6344.848585][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.848585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.848585][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.848585][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.848585][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.848585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.848585][ T73] [ 6344.850295][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6344.850295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6344.850295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6344.850295][ T73] ipv6_find_idev+0x102/0x170 [ 6344.850295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.850295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.850295][ T73] netlink_rcv_skb+0x130/0x360 [ 6344.850295][ T73] netlink_unicast+0x449/0x710 [ 6344.850295][ T73] netlink_sendmsg+0x723/0xbe0 [ 6344.850295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6344.850295][ T73] ___sys_sendmsg+0xee/0x170 [ 6344.850295][ T73] __sys_sendmsg+0xcd/0x170 [ 6344.850295][ T73] do_syscall_64+0xc6/0x1e0 [ 6344.850295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.850295][ T73] [ 6355.094936][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6355.095408][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.095408][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6355.095408][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6355.095408][ T73] fib6_nh_init+0xa22/0x1580 [ 6355.095408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.095408][ T73] ip6_route_add+0x1c/0x140 [ 6355.095408][ T73] inet6_rtm_newroute+0x104/0x110 [ 6355.095408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.095408][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.095408][ T73] netlink_unicast+0x449/0x710 [ 6355.095408][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.095408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.095408][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.095408][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.095408][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.095408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.095408][ T73] [ 6355.097321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.097321][ T73] dst_init+0x84/0x4a0 [ 6355.097321][ T73] dst_alloc+0x97/0x150 [ 6355.097321][ T73] ip6_dst_alloc+0x23/0x90 [ 6355.097321][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6355.097321][ T73] ip6_pol_route+0x56f/0x840 [ 6355.097321][ T73] fib6_rule_lookup+0x456/0x630 [ 6355.097321][ T73] ip6_route_input+0x59c/0xa50 [ 6355.097321][ T73] ipv6_rcv+0x397/0x810 [ 6355.097321][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6355.097321][ T73] process_backlog+0x101/0x620 [ 6355.097321][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6355.097321][ T73] net_rx_action+0x495/0xbe0 [ 6355.097321][ T73] __do_softirq+0x1b5/0x7f6 [ 6355.097321][ T73] [ 6355.098940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.098940][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.098940][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.098940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.098940][ T73] ip6_route_add+0x1c/0x140 [ 6355.098940][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6355.098940][ T73] inet6_addr_add+0x4f8/0xa40 [ 6355.098940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.098940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.098940][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.098940][ T73] netlink_unicast+0x449/0x710 [ 6355.098940][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.098940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.098940][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.098940][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.098940][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.098940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.098940][ T73] [ 6355.100875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.100875][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.100875][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.100875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.100875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6355.100875][ T73] ipv6_add_addr+0x411/0x2000 [ 6355.100875][ T73] inet6_addr_add+0x30e/0xa40 [ 6355.100875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.100875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.100875][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.100875][ T73] netlink_unicast+0x449/0x710 [ 6355.100875][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.100875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.100875][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.100875][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.100875][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.100875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.100875][ T73] [ 6355.102903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.102903][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.102903][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.102903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.102903][ T73] ip6_route_add+0x1c/0x140 [ 6355.102903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6355.102903][ T73] addrconf_add_dev+0xe2/0x170 [ 6355.102903][ T73] inet6_addr_add+0x12f/0xa40 [ 6355.102903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.102903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.102903][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.102903][ T73] netlink_unicast+0x449/0x710 [ 6355.102903][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.102903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.102903][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.102903][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.102903][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.102903][ T73] [ 6355.104859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.104859][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6355.104859][ T73] ipv6_find_idev+0x102/0x170 [ 6355.104859][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.104859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.104859][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.104859][ T73] netlink_unicast+0x449/0x710 [ 6355.104859][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.104859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.104859][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.104859][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.104859][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.104859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.104859][ T73] [ 6355.106383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6355.106383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6355.106383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6355.106383][ T73] ipv6_find_idev+0x102/0x170 [ 6355.106383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.106383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.106383][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.106383][ T73] netlink_unicast+0x449/0x710 [ 6355.106383][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.106383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.106383][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.106383][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.106383][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.106383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.106383][ T73] [ 6355.108105][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6355.108391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.108391][ T73] dst_init+0x84/0x4a0 [ 6355.108391][ T73] dst_alloc+0x97/0x150 [ 6355.108391][ T73] ip6_dst_alloc+0x23/0x90 [ 6355.108391][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6355.108391][ T73] ip6_pol_route+0x56f/0x840 [ 6355.108391][ T73] fib6_rule_lookup+0x456/0x630 [ 6355.108391][ T73] ip6_route_input+0x59c/0xa50 [ 6355.108391][ T73] ipv6_rcv+0x397/0x810 [ 6355.108391][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6355.108391][ T73] process_backlog+0x101/0x620 [ 6355.108391][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6355.108391][ T73] net_rx_action+0x495/0xbe0 [ 6355.108391][ T73] __do_softirq+0x1b5/0x7f6 [ 6355.108391][ T73] [ 6355.110021][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.110021][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.110021][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.110021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.110021][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6355.110021][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6355.110021][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6355.110021][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6355.110021][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6355.110021][ T73] addrconf_dad_begin+0x310/0x670 [ 6355.110021][ T73] addrconf_dad_work+0x10b/0xab0 [ 6355.110021][ T73] process_one_work+0x84d/0x18a0 [ 6355.110021][ T73] worker_thread+0x587/0xd30 [ 6355.110021][ T73] kthread+0x28a/0x350 [ 6355.110021][ T73] ret_from_fork+0x31/0x70 [ 6355.110021][ T73] ret_from_fork_asm+0x1a/0x30 [ 6355.110021][ T73] [ 6355.111920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.111920][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.111920][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.111920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.111920][ T73] ip6_route_add+0x1c/0x140 [ 6355.111920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6355.111920][ T73] inet6_addr_add+0x4f8/0xa40 [ 6355.111920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.111920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.111920][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.111920][ T73] netlink_unicast+0x449/0x710 [ 6355.111920][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.111920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.111920][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.111920][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.111920][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.111920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.111920][ T73] [ 6355.113913][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.113913][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.113913][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.113913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.113913][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6355.113913][ T73] ipv6_add_addr+0x411/0x2000 [ 6355.113913][ T73] inet6_addr_add+0x30e/0xa40 [ 6355.113913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.113913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.113913][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.113913][ T73] netlink_unicast+0x449/0x710 [ 6355.113913][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.113913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.113913][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.113913][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.113913][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.113913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.113913][ T73] [ 6355.115894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.115894][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.115894][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.115894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.115894][ T73] ip6_route_add+0x1c/0x140 [ 6355.115894][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6355.115894][ T73] addrconf_add_dev+0xe2/0x170 [ 6355.115894][ T73] inet6_addr_add+0x12f/0xa40 [ 6355.115894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.115894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.115894][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.115894][ T73] netlink_unicast+0x449/0x710 [ 6355.115894][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.115894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.115894][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.115894][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.115894][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.115894][ T73] [ 6355.117844][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.117844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6355.117844][ T73] ipv6_find_idev+0x102/0x170 [ 6355.117844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.117844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.117844][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.117844][ T73] netlink_unicast+0x449/0x710 [ 6355.117844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.117844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.117844][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.117844][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.117844][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.117844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.117844][ T73] [ 6355.119374][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6355.119374][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6355.119374][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6355.119374][ T73] ipv6_find_idev+0x102/0x170 [ 6355.119374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.119374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.119374][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.119374][ T73] netlink_unicast+0x449/0x710 [ 6355.119374][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.119374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.119374][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.119374][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.119374][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.119374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.119374][ T73] [ 6355.121175][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6355.121505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.121505][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6355.121505][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6355.121505][ T73] fib6_nh_init+0xa22/0x1580 [ 6355.121505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.121505][ T73] ip6_route_add+0x1c/0x140 [ 6355.121505][ T73] inet6_rtm_newroute+0x104/0x110 [ 6355.121505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.121505][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.121505][ T73] netlink_unicast+0x449/0x710 [ 6355.121505][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.121505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.121505][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.121505][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.121505][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.121505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.121505][ T73] [ 6355.123549][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.123549][ T73] dst_init+0x84/0x4a0 [ 6355.123549][ T73] dst_alloc+0x97/0x150 [ 6355.123549][ T73] ip6_dst_alloc+0x23/0x90 [ 6355.123549][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6355.123549][ T73] ip6_pol_route+0x56f/0x840 [ 6355.123549][ T73] fib6_rule_lookup+0x456/0x630 [ 6355.123549][ T73] ip6_route_input+0x59c/0xa50 [ 6355.123549][ T73] ipv6_rcv+0x397/0x810 [ 6355.123549][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6355.123549][ T73] process_backlog+0x101/0x620 [ 6355.123549][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6355.123549][ T73] net_rx_action+0x495/0xbe0 [ 6355.123549][ T73] __do_softirq+0x1b5/0x7f6 [ 6355.123549][ T73] [ 6355.125875][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.125875][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.125875][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.125875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.125875][ T73] ip6_route_add+0x1c/0x140 [ 6355.125875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6355.125875][ T73] inet6_addr_add+0x4f8/0xa40 [ 6355.125875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.125875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.125875][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.125875][ T73] netlink_unicast+0x449/0x710 [ 6355.125875][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.125875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.125875][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.125875][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.125875][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.125875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.125875][ T73] [ 6355.128158][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.128158][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.128158][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.128158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.128158][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6355.128158][ T73] ipv6_add_addr+0x411/0x2000 [ 6355.128158][ T73] inet6_addr_add+0x30e/0xa40 [ 6355.128158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.128158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.128158][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.128158][ T73] netlink_unicast+0x449/0x710 [ 6355.128158][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.128158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.128158][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.128158][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.128158][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.128158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.128158][ T73] [ 6355.130389][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.130389][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.130389][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.130389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.130389][ T73] ip6_route_add+0x1c/0x140 [ 6355.130389][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6355.130389][ T73] addrconf_add_dev+0xe2/0x170 [ 6355.130389][ T73] inet6_addr_add+0x12f/0xa40 [ 6355.130389][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.130389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.130389][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.130389][ T73] netlink_unicast+0x449/0x710 [ 6355.130389][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.130389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.130389][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.130389][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.130389][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.130389][ T73] [ 6355.132586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.132586][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6355.132586][ T73] ipv6_find_idev+0x102/0x170 [ 6355.132586][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.132586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.132586][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.132586][ T73] netlink_unicast+0x449/0x710 [ 6355.132586][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.132586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.132586][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.132586][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.132586][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.132586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.132586][ T73] [ 6355.134678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6355.134678][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6355.134678][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6355.134678][ T73] ipv6_find_idev+0x102/0x170 [ 6355.134678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.134678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.134678][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.134678][ T73] netlink_unicast+0x449/0x710 [ 6355.134678][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.134678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.134678][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.134678][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.134678][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.134678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.134678][ T73] [ 6355.136592][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6355.137308][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6355.137308][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.137308][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.137308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.137308][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6355.137308][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6355.137308][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6355.137308][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6355.137308][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6355.137308][ T73] addrconf_dad_begin+0x310/0x670 [ 6355.137308][ T73] addrconf_dad_work+0x10b/0xab0 [ 6355.137308][ T73] process_one_work+0x84d/0x18a0 [ 6355.137308][ T73] worker_thread+0x587/0xd30 [ 6355.137308][ T73] kthread+0x28a/0x350 [ 6355.137308][ T73] ret_from_fork+0x31/0x70 [ 6355.137308][ T73] ret_from_fork_asm+0x1a/0x30 [ 6355.137308][ T73] [ 6355.139198][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6355.139198][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.139198][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.139198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.139198][ T73] ip6_route_add+0x1c/0x140 [ 6355.139198][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6355.139198][ T73] inet6_addr_add+0x4f8/0xa40 [ 6355.139198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.139198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.139198][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.139198][ T73] netlink_unicast+0x449/0x710 [ 6355.139198][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.139198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.139198][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.139198][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.139198][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.139198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.139198][ T73] [ 6355.141302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6355.141302][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.141302][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.141302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.141302][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6355.141302][ T73] ipv6_add_addr+0x411/0x2000 [ 6355.141302][ T73] inet6_addr_add+0x30e/0xa40 [ 6355.141302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.141302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.141302][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.141302][ T73] netlink_unicast+0x449/0x710 [ 6355.141302][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.141302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.141302][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.141302][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.141302][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.141302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.141302][ T73] [ 6355.143532][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6355.143532][ T73] netdev_get_by_index+0x5e/0x80 [ 6355.143532][ T73] fib6_nh_init+0x3d8/0x1580 [ 6355.143532][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6355.143532][ T73] ip6_route_add+0x1c/0x140 [ 6355.143532][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6355.143532][ T73] addrconf_add_dev+0xe2/0x170 [ 6355.143532][ T73] inet6_addr_add+0x12f/0xa40 [ 6355.143532][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.143532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.143532][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.143532][ T73] netlink_unicast+0x449/0x710 [ 6355.143532][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.143532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.143532][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.143532][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.143532][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.143532][ T73] [ 6355.145651][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6355.145651][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6355.145651][ T73] ipv6_find_idev+0x102/0x170 [ 6355.145651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.145651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.145651][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.145651][ T73] netlink_unicast+0x449/0x710 [ 6355.145651][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.145651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.145651][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.145651][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.145651][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.145651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.145651][ T73] [ 6355.147369][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6355.147369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6355.147369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6355.147369][ T73] ipv6_find_idev+0x102/0x170 [ 6355.147369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.147369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.147369][ T73] netlink_rcv_skb+0x130/0x360 [ 6355.147369][ T73] netlink_unicast+0x449/0x710 [ 6355.147369][ T73] netlink_sendmsg+0x723/0xbe0 [ 6355.147369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6355.147369][ T73] ___sys_sendmsg+0xee/0x170 [ 6355.147369][ T73] __sys_sendmsg+0xcd/0x170 [ 6355.147369][ T73] do_syscall_64+0xc6/0x1e0 [ 6355.147369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.147369][ T73] [ 6365.390901][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6365.391366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.391366][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6365.391366][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6365.391366][ T73] fib6_nh_init+0xa22/0x1580 [ 6365.391366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.391366][ T73] ip6_route_add+0x1c/0x140 [ 6365.391366][ T73] inet6_rtm_newroute+0x104/0x110 [ 6365.391366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.391366][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.391366][ T73] netlink_unicast+0x449/0x710 [ 6365.391366][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.391366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.391366][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.391366][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.391366][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.391366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.391366][ T73] [ 6365.393266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.393266][ T73] dst_init+0x84/0x4a0 [ 6365.393266][ T73] dst_alloc+0x97/0x150 [ 6365.393266][ T73] ip6_dst_alloc+0x23/0x90 [ 6365.393266][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6365.393266][ T73] ip6_pol_route+0x56f/0x840 [ 6365.393266][ T73] fib6_rule_lookup+0x456/0x630 [ 6365.393266][ T73] ip6_route_input+0x59c/0xa50 [ 6365.393266][ T73] ipv6_rcv+0x397/0x810 [ 6365.393266][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6365.393266][ T73] process_backlog+0x101/0x620 [ 6365.393266][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6365.393266][ T73] net_rx_action+0x495/0xbe0 [ 6365.393266][ T73] __do_softirq+0x1b5/0x7f6 [ 6365.393266][ T73] [ 6365.394891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.394891][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.394891][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.394891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.394891][ T73] ip6_route_add+0x1c/0x140 [ 6365.394891][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6365.394891][ T73] inet6_addr_add+0x4f8/0xa40 [ 6365.394891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.394891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.394891][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.394891][ T73] netlink_unicast+0x449/0x710 [ 6365.394891][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.394891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.394891][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.394891][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.394891][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.394891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.394891][ T73] [ 6365.396876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.396876][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.396876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.396876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.396876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6365.396876][ T73] ipv6_add_addr+0x411/0x2000 [ 6365.396876][ T73] inet6_addr_add+0x30e/0xa40 [ 6365.396876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.396876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.396876][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.396876][ T73] netlink_unicast+0x449/0x710 [ 6365.396876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.396876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.396876][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.396876][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.396876][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.396876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.396876][ T73] [ 6365.398866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.398866][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.398866][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.398866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.398866][ T73] ip6_route_add+0x1c/0x140 [ 6365.398866][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6365.398866][ T73] addrconf_add_dev+0xe2/0x170 [ 6365.398866][ T73] inet6_addr_add+0x12f/0xa40 [ 6365.398866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.398866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.398866][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.398866][ T73] netlink_unicast+0x449/0x710 [ 6365.398866][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.398866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.398866][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.398866][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.398866][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.398866][ T73] [ 6365.400815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.400815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6365.400815][ T73] ipv6_find_idev+0x102/0x170 [ 6365.400815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.400815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.400815][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.400815][ T73] netlink_unicast+0x449/0x710 [ 6365.400815][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.400815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.400815][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.400815][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.400815][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.400815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.400815][ T73] [ 6365.402348][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6365.402348][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6365.402348][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6365.402348][ T73] ipv6_find_idev+0x102/0x170 [ 6365.402348][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.402348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.402348][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.402348][ T73] netlink_unicast+0x449/0x710 [ 6365.402348][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.402348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.402348][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.402348][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.402348][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.402348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.402348][ T73] [ 6365.404531][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6365.404799][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.404799][ T73] dst_init+0x84/0x4a0 [ 6365.404799][ T73] dst_alloc+0x97/0x150 [ 6365.404799][ T73] ip6_dst_alloc+0x23/0x90 [ 6365.404799][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6365.404799][ T73] ip6_pol_route+0x56f/0x840 [ 6365.404799][ T73] fib6_rule_lookup+0x456/0x630 [ 6365.404799][ T73] ip6_route_input+0x59c/0xa50 [ 6365.404799][ T73] ipv6_rcv+0x397/0x810 [ 6365.404799][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6365.404799][ T73] process_backlog+0x101/0x620 [ 6365.404799][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6365.404799][ T73] net_rx_action+0x495/0xbe0 [ 6365.404799][ T73] __do_softirq+0x1b5/0x7f6 [ 6365.404799][ T73] [ 6365.406425][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.406425][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.406425][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.406425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.406425][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6365.406425][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6365.406425][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6365.406425][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6365.406425][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6365.406425][ T73] addrconf_dad_begin+0x310/0x670 [ 6365.406425][ T73] addrconf_dad_work+0x10b/0xab0 [ 6365.406425][ T73] process_one_work+0x84d/0x18a0 [ 6365.406425][ T73] worker_thread+0x587/0xd30 [ 6365.406425][ T73] kthread+0x28a/0x350 [ 6365.406425][ T73] ret_from_fork+0x31/0x70 [ 6365.406425][ T73] ret_from_fork_asm+0x1a/0x30 [ 6365.406425][ T73] [ 6365.408310][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.408310][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.408310][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.408310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.408310][ T73] ip6_route_add+0x1c/0x140 [ 6365.408310][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6365.408310][ T73] inet6_addr_add+0x4f8/0xa40 [ 6365.408310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.408310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.408310][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.408310][ T73] netlink_unicast+0x449/0x710 [ 6365.408310][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.408310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.408310][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.408310][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.408310][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.408310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.408310][ T73] [ 6365.410292][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.410292][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.410292][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.410292][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.410292][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6365.410292][ T73] ipv6_add_addr+0x411/0x2000 [ 6365.410292][ T73] inet6_addr_add+0x30e/0xa40 [ 6365.410292][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.410292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.410292][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.410292][ T73] netlink_unicast+0x449/0x710 [ 6365.410292][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.410292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.410292][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.410292][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.410292][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.410292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.410292][ T73] [ 6365.412280][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.412280][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.412280][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.412280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.412280][ T73] ip6_route_add+0x1c/0x140 [ 6365.412280][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6365.412280][ T73] addrconf_add_dev+0xe2/0x170 [ 6365.412280][ T73] inet6_addr_add+0x12f/0xa40 [ 6365.412280][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.412280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.412280][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.412280][ T73] netlink_unicast+0x449/0x710 [ 6365.412280][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.412280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.412280][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.412280][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.412280][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.412280][ T73] [ 6365.414223][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.414223][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6365.414223][ T73] ipv6_find_idev+0x102/0x170 [ 6365.414223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.414223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.414223][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.414223][ T73] netlink_unicast+0x449/0x710 [ 6365.414223][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.414223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.414223][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.414223][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.414223][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.414223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.414223][ T73] [ 6365.415746][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6365.415746][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6365.415746][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6365.415746][ T73] ipv6_find_idev+0x102/0x170 [ 6365.415746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.415746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.415746][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.415746][ T73] netlink_unicast+0x449/0x710 [ 6365.415746][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.415746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.415746][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.415746][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.415746][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.415746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.415746][ T73] [ 6365.417486][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6365.417749][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.417749][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6365.417749][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6365.417749][ T73] fib6_nh_init+0xa22/0x1580 [ 6365.417749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.417749][ T73] ip6_route_add+0x1c/0x140 [ 6365.417749][ T73] inet6_rtm_newroute+0x104/0x110 [ 6365.417749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.417749][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.417749][ T73] netlink_unicast+0x449/0x710 [ 6365.417749][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.417749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.417749][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.417749][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.417749][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.417749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.417749][ T73] [ 6365.419750][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.419750][ T73] dst_init+0x84/0x4a0 [ 6365.419750][ T73] dst_alloc+0x97/0x150 [ 6365.419750][ T73] ip6_dst_alloc+0x23/0x90 [ 6365.419750][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6365.419750][ T73] ip6_pol_route+0x56f/0x840 [ 6365.419750][ T73] fib6_rule_lookup+0x456/0x630 [ 6365.419750][ T73] ip6_route_input+0x59c/0xa50 [ 6365.419750][ T73] ipv6_rcv+0x397/0x810 [ 6365.419750][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6365.419750][ T73] process_backlog+0x101/0x620 [ 6365.419750][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6365.419750][ T73] net_rx_action+0x495/0xbe0 [ 6365.419750][ T73] __do_softirq+0x1b5/0x7f6 [ 6365.419750][ T73] [ 6365.421437][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.421437][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.421437][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.421437][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.421437][ T73] ip6_route_add+0x1c/0x140 [ 6365.421437][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6365.421437][ T73] inet6_addr_add+0x4f8/0xa40 [ 6365.421437][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.421437][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.421437][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.421437][ T73] netlink_unicast+0x449/0x710 [ 6365.421437][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.421437][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.421437][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.421437][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.421437][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.421437][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.421437][ T73] [ 6365.423948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.423948][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.423948][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.423948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.423948][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6365.423948][ T73] ipv6_add_addr+0x411/0x2000 [ 6365.423948][ T73] inet6_addr_add+0x30e/0xa40 [ 6365.423948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.423948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.423948][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.423948][ T73] netlink_unicast+0x449/0x710 [ 6365.423948][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.423948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.423948][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.423948][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.423948][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.423948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.423948][ T73] [ 6365.426060][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.426060][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.426060][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.426060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.426060][ T73] ip6_route_add+0x1c/0x140 [ 6365.426060][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6365.426060][ T73] addrconf_add_dev+0xe2/0x170 [ 6365.426060][ T73] inet6_addr_add+0x12f/0xa40 [ 6365.426060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.426060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.426060][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.426060][ T73] netlink_unicast+0x449/0x710 [ 6365.426060][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.426060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.426060][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.426060][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.426060][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.426060][ T73] [ 6365.428136][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.428136][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6365.428136][ T73] ipv6_find_idev+0x102/0x170 [ 6365.428136][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.428136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.428136][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.428136][ T73] netlink_unicast+0x449/0x710 [ 6365.428136][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.428136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.428136][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.428136][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.428136][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.428136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.428136][ T73] [ 6365.429728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6365.429728][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6365.429728][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6365.429728][ T73] ipv6_find_idev+0x102/0x170 [ 6365.429728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.429728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.429728][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.429728][ T73] netlink_unicast+0x449/0x710 [ 6365.429728][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.429728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.429728][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.429728][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.429728][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.429728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.429728][ T73] [ 6365.431536][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6365.431807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6365.431807][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.431807][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.431807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.431807][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6365.431807][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6365.431807][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6365.431807][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6365.431807][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6365.431807][ T73] addrconf_dad_begin+0x310/0x670 [ 6365.431807][ T73] addrconf_dad_work+0x10b/0xab0 [ 6365.431807][ T73] process_one_work+0x84d/0x18a0 [ 6365.431807][ T73] worker_thread+0x587/0xd30 [ 6365.431807][ T73] kthread+0x28a/0x350 [ 6365.431807][ T73] ret_from_fork+0x31/0x70 [ 6365.431807][ T73] ret_from_fork_asm+0x1a/0x30 [ 6365.431807][ T73] [ 6365.433829][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6365.433829][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.433829][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.433829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.433829][ T73] ip6_route_add+0x1c/0x140 [ 6365.433829][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6365.433829][ T73] inet6_addr_add+0x4f8/0xa40 [ 6365.433829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.433829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.433829][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.433829][ T73] netlink_unicast+0x449/0x710 [ 6365.433829][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.433829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.433829][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.433829][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.433829][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.433829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.433829][ T73] [ 6365.435939][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6365.435939][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.435939][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.435939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.435939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6365.435939][ T73] ipv6_add_addr+0x411/0x2000 [ 6365.435939][ T73] inet6_addr_add+0x30e/0xa40 [ 6365.435939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.435939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.435939][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.435939][ T73] netlink_unicast+0x449/0x710 [ 6365.435939][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.435939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.435939][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.435939][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.435939][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.435939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.435939][ T73] [ 6365.438054][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6365.438054][ T73] netdev_get_by_index+0x5e/0x80 [ 6365.438054][ T73] fib6_nh_init+0x3d8/0x1580 [ 6365.438054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6365.438054][ T73] ip6_route_add+0x1c/0x140 [ 6365.438054][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6365.438054][ T73] addrconf_add_dev+0xe2/0x170 [ 6365.438054][ T73] inet6_addr_add+0x12f/0xa40 [ 6365.438054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.438054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.438054][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.438054][ T73] netlink_unicast+0x449/0x710 [ 6365.438054][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.438054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.438054][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.438054][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.438054][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.438054][ T73] [ 6365.440132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6365.440132][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6365.440132][ T73] ipv6_find_idev+0x102/0x170 [ 6365.440132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.440132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.440132][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.440132][ T73] netlink_unicast+0x449/0x710 [ 6365.440132][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.440132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.440132][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.440132][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.440132][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.440132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.440132][ T73] [ 6365.441738][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6365.441738][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6365.441738][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6365.441738][ T73] ipv6_find_idev+0x102/0x170 [ 6365.441738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.441738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.441738][ T73] netlink_rcv_skb+0x130/0x360 [ 6365.441738][ T73] netlink_unicast+0x449/0x710 [ 6365.441738][ T73] netlink_sendmsg+0x723/0xbe0 [ 6365.441738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6365.441738][ T73] ___sys_sendmsg+0xee/0x170 [ 6365.441738][ T73] __sys_sendmsg+0xcd/0x170 [ 6365.441738][ T73] do_syscall_64+0xc6/0x1e0 [ 6365.441738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.441738][ T73] [ 6375.686892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6375.687341][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.687341][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6375.687341][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6375.687341][ T73] fib6_nh_init+0xa22/0x1580 [ 6375.687341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.687341][ T73] ip6_route_add+0x1c/0x140 [ 6375.687341][ T73] inet6_rtm_newroute+0x104/0x110 [ 6375.687341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.687341][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.687341][ T73] netlink_unicast+0x449/0x710 [ 6375.687341][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.687341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.687341][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.687341][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.687341][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.687341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.687341][ T73] [ 6375.689224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.689224][ T73] dst_init+0x84/0x4a0 [ 6375.689224][ T73] dst_alloc+0x97/0x150 [ 6375.689224][ T73] ip6_dst_alloc+0x23/0x90 [ 6375.689224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6375.689224][ T73] ip6_pol_route+0x56f/0x840 [ 6375.689224][ T73] fib6_rule_lookup+0x456/0x630 [ 6375.689224][ T73] ip6_route_input+0x59c/0xa50 [ 6375.689224][ T73] ipv6_rcv+0x397/0x810 [ 6375.689224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6375.689224][ T73] process_backlog+0x101/0x620 [ 6375.689224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6375.689224][ T73] net_rx_action+0x495/0xbe0 [ 6375.689224][ T73] __do_softirq+0x1b5/0x7f6 [ 6375.689224][ T73] [ 6375.690860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.690860][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.690860][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.690860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.690860][ T73] ip6_route_add+0x1c/0x140 [ 6375.690860][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6375.690860][ T73] inet6_addr_add+0x4f8/0xa40 [ 6375.690860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.690860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.690860][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.690860][ T73] netlink_unicast+0x449/0x710 [ 6375.690860][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.690860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.690860][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.690860][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.690860][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.690860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.690860][ T73] [ 6375.692857][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.692857][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.692857][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.692857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.692857][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6375.692857][ T73] ipv6_add_addr+0x411/0x2000 [ 6375.692857][ T73] inet6_addr_add+0x30e/0xa40 [ 6375.692857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.692857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.692857][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.692857][ T73] netlink_unicast+0x449/0x710 [ 6375.692857][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.692857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.692857][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.692857][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.692857][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.692857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.692857][ T73] [ 6375.694840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.694840][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.694840][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.694840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.694840][ T73] ip6_route_add+0x1c/0x140 [ 6375.694840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6375.694840][ T73] addrconf_add_dev+0xe2/0x170 [ 6375.694840][ T73] inet6_addr_add+0x12f/0xa40 [ 6375.694840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.694840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.694840][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.694840][ T73] netlink_unicast+0x449/0x710 [ 6375.694840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.694840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.694840][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.694840][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.694840][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.694840][ T73] [ 6375.696789][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.696789][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6375.696789][ T73] ipv6_find_idev+0x102/0x170 [ 6375.696789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.696789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.696789][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.696789][ T73] netlink_unicast+0x449/0x710 [ 6375.696789][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.696789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.696789][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.696789][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.696789][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.696789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.696789][ T73] [ 6375.698309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6375.698309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6375.698309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6375.698309][ T73] ipv6_find_idev+0x102/0x170 [ 6375.698309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.698309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.698309][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.698309][ T73] netlink_unicast+0x449/0x710 [ 6375.698309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.698309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.698309][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.698309][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.698309][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.698309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.698309][ T73] [ 6375.699980][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6375.700258][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.700258][ T73] dst_init+0x84/0x4a0 [ 6375.700258][ T73] dst_alloc+0x97/0x150 [ 6375.700258][ T73] ip6_dst_alloc+0x23/0x90 [ 6375.700258][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6375.700258][ T73] ip6_pol_route+0x56f/0x840 [ 6375.700258][ T73] fib6_rule_lookup+0x456/0x630 [ 6375.700258][ T73] ip6_route_input+0x59c/0xa50 [ 6375.700258][ T73] ipv6_rcv+0x397/0x810 [ 6375.700258][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6375.700258][ T73] process_backlog+0x101/0x620 [ 6375.700258][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6375.700258][ T73] net_rx_action+0x495/0xbe0 [ 6375.700258][ T73] __do_softirq+0x1b5/0x7f6 [ 6375.700258][ T73] [ 6375.702023][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.702023][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.702023][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.702023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.702023][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6375.702023][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6375.702023][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6375.702023][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6375.702023][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6375.702023][ T73] addrconf_dad_begin+0x310/0x670 [ 6375.702023][ T73] addrconf_dad_work+0x10b/0xab0 [ 6375.702023][ T73] process_one_work+0x84d/0x18a0 [ 6375.702023][ T73] worker_thread+0x587/0xd30 [ 6375.702023][ T73] kthread+0x28a/0x350 [ 6375.702023][ T73] ret_from_fork+0x31/0x70 [ 6375.702023][ T73] ret_from_fork_asm+0x1a/0x30 [ 6375.702023][ T73] [ 6375.703917][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.703917][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.703917][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.703917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.703917][ T73] ip6_route_add+0x1c/0x140 [ 6375.703917][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6375.703917][ T73] inet6_addr_add+0x4f8/0xa40 [ 6375.703917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.703917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.703917][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.703917][ T73] netlink_unicast+0x449/0x710 [ 6375.703917][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.703917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.703917][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.703917][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.703917][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.703917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.703917][ T73] [ 6375.705904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.705904][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.705904][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.705904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.705904][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6375.705904][ T73] ipv6_add_addr+0x411/0x2000 [ 6375.705904][ T73] inet6_addr_add+0x30e/0xa40 [ 6375.705904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.705904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.705904][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.705904][ T73] netlink_unicast+0x449/0x710 [ 6375.705904][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.705904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.705904][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.705904][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.705904][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.705904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.705904][ T73] [ 6375.708254][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.708254][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.708254][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.708254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.708254][ T73] ip6_route_add+0x1c/0x140 [ 6375.708254][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6375.708254][ T73] addrconf_add_dev+0xe2/0x170 [ 6375.708254][ T73] inet6_addr_add+0x12f/0xa40 [ 6375.708254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.708254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.708254][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.708254][ T73] netlink_unicast+0x449/0x710 [ 6375.708254][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.708254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.708254][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.708254][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.708254][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.708254][ T73] [ 6375.710200][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.710200][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6375.710200][ T73] ipv6_find_idev+0x102/0x170 [ 6375.710200][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.710200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.710200][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.710200][ T73] netlink_unicast+0x449/0x710 [ 6375.710200][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.710200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.710200][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.710200][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.710200][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.710200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.710200][ T73] [ 6375.711741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6375.711741][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6375.711741][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6375.711741][ T73] ipv6_find_idev+0x102/0x170 [ 6375.711741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.711741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.711741][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.711741][ T73] netlink_unicast+0x449/0x710 [ 6375.711741][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.711741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.711741][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.711741][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.711741][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.711741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.711741][ T73] [ 6375.713467][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6375.713804][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.713804][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6375.713804][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6375.713804][ T73] fib6_nh_init+0xa22/0x1580 [ 6375.713804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.713804][ T73] ip6_route_add+0x1c/0x140 [ 6375.713804][ T73] inet6_rtm_newroute+0x104/0x110 [ 6375.713804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.713804][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.713804][ T73] netlink_unicast+0x449/0x710 [ 6375.713804][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.713804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.713804][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.713804][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.713804][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.713804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.713804][ T73] [ 6375.715792][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.715792][ T73] dst_init+0x84/0x4a0 [ 6375.715792][ T73] dst_alloc+0x97/0x150 [ 6375.715792][ T73] ip6_dst_alloc+0x23/0x90 [ 6375.715792][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6375.715792][ T73] ip6_pol_route+0x56f/0x840 [ 6375.715792][ T73] fib6_rule_lookup+0x456/0x630 [ 6375.715792][ T73] ip6_route_input+0x59c/0xa50 [ 6375.715792][ T73] ipv6_rcv+0x397/0x810 [ 6375.715792][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6375.715792][ T73] process_backlog+0x101/0x620 [ 6375.715792][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6375.715792][ T73] net_rx_action+0x495/0xbe0 [ 6375.715792][ T73] __do_softirq+0x1b5/0x7f6 [ 6375.715792][ T73] [ 6375.717598][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.717598][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.717598][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.717598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.717598][ T73] ip6_route_add+0x1c/0x140 [ 6375.717598][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6375.717598][ T73] inet6_addr_add+0x4f8/0xa40 [ 6375.717598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.717598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.717598][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.717598][ T73] netlink_unicast+0x449/0x710 [ 6375.717598][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.717598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.717598][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.717598][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.717598][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.717598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.717598][ T73] [ 6375.719900][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.719900][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.719900][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.719900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.719900][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6375.719900][ T73] ipv6_add_addr+0x411/0x2000 [ 6375.719900][ T73] inet6_addr_add+0x30e/0xa40 [ 6375.719900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.719900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.719900][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.719900][ T73] netlink_unicast+0x449/0x710 [ 6375.719900][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.719900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.719900][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.719900][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.719900][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.719900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.719900][ T73] [ 6375.722076][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.722076][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.722076][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.722076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.722076][ T73] ip6_route_add+0x1c/0x140 [ 6375.722076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6375.722076][ T73] addrconf_add_dev+0xe2/0x170 [ 6375.722076][ T73] inet6_addr_add+0x12f/0xa40 [ 6375.722076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.722076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.722076][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.722076][ T73] netlink_unicast+0x449/0x710 [ 6375.722076][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.722076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.722076][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.722076][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.722076][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.722076][ T73] [ 6375.724275][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.724275][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6375.724275][ T73] ipv6_find_idev+0x102/0x170 [ 6375.724275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.724275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.724275][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.724275][ T73] netlink_unicast+0x449/0x710 [ 6375.724275][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.724275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.724275][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.724275][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.724275][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.724275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.724275][ T73] [ 6375.725999][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6375.725999][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6375.725999][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6375.725999][ T73] ipv6_find_idev+0x102/0x170 [ 6375.725999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.725999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.725999][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.725999][ T73] netlink_unicast+0x449/0x710 [ 6375.725999][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.725999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.725999][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.725999][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.725999][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.725999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.725999][ T73] [ 6375.727856][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6375.728128][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6375.728128][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.728128][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.728128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.728128][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6375.728128][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6375.728128][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6375.728128][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6375.728128][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6375.728128][ T73] addrconf_dad_begin+0x310/0x670 [ 6375.728128][ T73] addrconf_dad_work+0x10b/0xab0 [ 6375.728128][ T73] process_one_work+0x84d/0x18a0 [ 6375.728128][ T73] worker_thread+0x587/0xd30 [ 6375.728128][ T73] kthread+0x28a/0x350 [ 6375.728128][ T73] ret_from_fork+0x31/0x70 [ 6375.728128][ T73] ret_from_fork_asm+0x1a/0x30 [ 6375.728128][ T73] [ 6375.730331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6375.730331][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.730331][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.730331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.730331][ T73] ip6_route_add+0x1c/0x140 [ 6375.730331][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6375.730331][ T73] inet6_addr_add+0x4f8/0xa40 [ 6375.730331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.730331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.730331][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.730331][ T73] netlink_unicast+0x449/0x710 [ 6375.730331][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.730331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.730331][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.730331][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.730331][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.730331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.730331][ T73] [ 6375.732576][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6375.732576][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.732576][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.732576][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.732576][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6375.732576][ T73] ipv6_add_addr+0x411/0x2000 [ 6375.732576][ T73] inet6_addr_add+0x30e/0xa40 [ 6375.732576][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.732576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.732576][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.732576][ T73] netlink_unicast+0x449/0x710 [ 6375.732576][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.732576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.732576][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.732576][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.732576][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.732576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.732576][ T73] [ 6375.734799][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6375.734799][ T73] netdev_get_by_index+0x5e/0x80 [ 6375.734799][ T73] fib6_nh_init+0x3d8/0x1580 [ 6375.734799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6375.734799][ T73] ip6_route_add+0x1c/0x140 [ 6375.734799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6375.734799][ T73] addrconf_add_dev+0xe2/0x170 [ 6375.734799][ T73] inet6_addr_add+0x12f/0xa40 [ 6375.734799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.734799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.734799][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.734799][ T73] netlink_unicast+0x449/0x710 [ 6375.734799][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.734799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.734799][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.734799][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.734799][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.734799][ T73] [ 6375.736992][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6375.736992][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6375.736992][ T73] ipv6_find_idev+0x102/0x170 [ 6375.736992][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.736992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.736992][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.736992][ T73] netlink_unicast+0x449/0x710 [ 6375.736992][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.736992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.736992][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.736992][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.736992][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.736992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.736992][ T73] [ 6375.738700][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6375.738700][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6375.738700][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6375.738700][ T73] ipv6_find_idev+0x102/0x170 [ 6375.738700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.738700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.738700][ T73] netlink_rcv_skb+0x130/0x360 [ 6375.738700][ T73] netlink_unicast+0x449/0x710 [ 6375.738700][ T73] netlink_sendmsg+0x723/0xbe0 [ 6375.738700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6375.738700][ T73] ___sys_sendmsg+0xee/0x170 [ 6375.738700][ T73] __sys_sendmsg+0xcd/0x170 [ 6375.738700][ T73] do_syscall_64+0xc6/0x1e0 [ 6375.738700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.738700][ T73] [ 6385.886905][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6385.887356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.887356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6385.887356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6385.887356][ T73] fib6_nh_init+0xa22/0x1580 [ 6385.887356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.887356][ T73] ip6_route_add+0x1c/0x140 [ 6385.887356][ T73] inet6_rtm_newroute+0x104/0x110 [ 6385.887356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.887356][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.887356][ T73] netlink_unicast+0x449/0x710 [ 6385.887356][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.887356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.887356][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.887356][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.887356][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.887356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.887356][ T73] [ 6385.889262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.889262][ T73] dst_init+0x84/0x4a0 [ 6385.889262][ T73] dst_alloc+0x97/0x150 [ 6385.889262][ T73] ip6_dst_alloc+0x23/0x90 [ 6385.889262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6385.889262][ T73] ip6_pol_route+0x56f/0x840 [ 6385.889262][ T73] fib6_rule_lookup+0x456/0x630 [ 6385.889262][ T73] ip6_route_input+0x59c/0xa50 [ 6385.889262][ T73] ipv6_rcv+0x397/0x810 [ 6385.889262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6385.889262][ T73] process_backlog+0x101/0x620 [ 6385.889262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6385.889262][ T73] net_rx_action+0x495/0xbe0 [ 6385.889262][ T73] __do_softirq+0x1b5/0x7f6 [ 6385.889262][ T73] [ 6385.890892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.890892][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.890892][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.890892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.890892][ T73] ip6_route_add+0x1c/0x140 [ 6385.890892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6385.890892][ T73] inet6_addr_add+0x4f8/0xa40 [ 6385.890892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.890892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.890892][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.890892][ T73] netlink_unicast+0x449/0x710 [ 6385.890892][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.890892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.890892][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.890892][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.890892][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.890892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.890892][ T73] [ 6385.892887][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.892887][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.892887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.892887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.892887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6385.892887][ T73] ipv6_add_addr+0x411/0x2000 [ 6385.892887][ T73] inet6_addr_add+0x30e/0xa40 [ 6385.892887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.892887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.892887][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.892887][ T73] netlink_unicast+0x449/0x710 [ 6385.892887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.892887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.892887][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.892887][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.892887][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.892887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.892887][ T73] [ 6385.894872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.894872][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.894872][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.894872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.894872][ T73] ip6_route_add+0x1c/0x140 [ 6385.894872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6385.894872][ T73] addrconf_add_dev+0xe2/0x170 [ 6385.894872][ T73] inet6_addr_add+0x12f/0xa40 [ 6385.894872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.894872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.894872][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.894872][ T73] netlink_unicast+0x449/0x710 [ 6385.894872][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.894872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.894872][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.894872][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.894872][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.894872][ T73] [ 6385.896824][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.896824][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6385.896824][ T73] ipv6_find_idev+0x102/0x170 [ 6385.896824][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.896824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.896824][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.896824][ T73] netlink_unicast+0x449/0x710 [ 6385.896824][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.896824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.896824][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.896824][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.896824][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.896824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.896824][ T73] [ 6385.898363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6385.898363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6385.898363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6385.898363][ T73] ipv6_find_idev+0x102/0x170 [ 6385.898363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.898363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.898363][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.898363][ T73] netlink_unicast+0x449/0x710 [ 6385.898363][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.898363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.898363][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.898363][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.898363][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.898363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.898363][ T73] [ 6385.900047][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6385.900319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.900319][ T73] dst_init+0x84/0x4a0 [ 6385.900319][ T73] dst_alloc+0x97/0x150 [ 6385.900319][ T73] ip6_dst_alloc+0x23/0x90 [ 6385.900319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6385.900319][ T73] ip6_pol_route+0x56f/0x840 [ 6385.900319][ T73] fib6_rule_lookup+0x456/0x630 [ 6385.900319][ T73] ip6_route_input+0x59c/0xa50 [ 6385.900319][ T73] ipv6_rcv+0x397/0x810 [ 6385.900319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6385.900319][ T73] process_backlog+0x101/0x620 [ 6385.900319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6385.900319][ T73] net_rx_action+0x495/0xbe0 [ 6385.900319][ T73] __do_softirq+0x1b5/0x7f6 [ 6385.900319][ T73] [ 6385.901957][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.901957][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.901957][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.901957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.901957][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6385.901957][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6385.901957][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6385.901957][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6385.901957][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6385.901957][ T73] addrconf_dad_begin+0x310/0x670 [ 6385.901957][ T73] addrconf_dad_work+0x10b/0xab0 [ 6385.901957][ T73] process_one_work+0x84d/0x18a0 [ 6385.901957][ T73] worker_thread+0x587/0xd30 [ 6385.901957][ T73] kthread+0x28a/0x350 [ 6385.901957][ T73] ret_from_fork+0x31/0x70 [ 6385.901957][ T73] ret_from_fork_asm+0x1a/0x30 [ 6385.901957][ T73] [ 6385.903867][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.903867][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.903867][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.903867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.903867][ T73] ip6_route_add+0x1c/0x140 [ 6385.903867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6385.903867][ T73] inet6_addr_add+0x4f8/0xa40 [ 6385.903867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.903867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.903867][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.903867][ T73] netlink_unicast+0x449/0x710 [ 6385.903867][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.903867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.903867][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.903867][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.903867][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.903867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.903867][ T73] [ 6385.905851][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.905851][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.905851][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.905851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.905851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6385.905851][ T73] ipv6_add_addr+0x411/0x2000 [ 6385.905851][ T73] inet6_addr_add+0x30e/0xa40 [ 6385.905851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.905851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.905851][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.905851][ T73] netlink_unicast+0x449/0x710 [ 6385.905851][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.905851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.905851][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.905851][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.905851][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.905851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.905851][ T73] [ 6385.907842][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.907842][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.907842][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.907842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.907842][ T73] ip6_route_add+0x1c/0x140 [ 6385.907842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6385.907842][ T73] addrconf_add_dev+0xe2/0x170 [ 6385.907842][ T73] inet6_addr_add+0x12f/0xa40 [ 6385.907842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.907842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.907842][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.907842][ T73] netlink_unicast+0x449/0x710 [ 6385.907842][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.907842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.907842][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.907842][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.907842][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.907842][ T73] [ 6385.909800][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.909800][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6385.909800][ T73] ipv6_find_idev+0x102/0x170 [ 6385.909800][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.909800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.909800][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.909800][ T73] netlink_unicast+0x449/0x710 [ 6385.909800][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.909800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.909800][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.909800][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.909800][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.909800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.909800][ T73] [ 6385.911332][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6385.911332][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6385.911332][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6385.911332][ T73] ipv6_find_idev+0x102/0x170 [ 6385.911332][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.911332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.911332][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.911332][ T73] netlink_unicast+0x449/0x710 [ 6385.911332][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.911332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.911332][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.911332][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.911332][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.911332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.911332][ T73] [ 6385.913071][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6385.913407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.913407][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6385.913407][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6385.913407][ T73] fib6_nh_init+0xa22/0x1580 [ 6385.913407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.913407][ T73] ip6_route_add+0x1c/0x140 [ 6385.913407][ T73] inet6_rtm_newroute+0x104/0x110 [ 6385.913407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.913407][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.913407][ T73] netlink_unicast+0x449/0x710 [ 6385.913407][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.913407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.913407][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.913407][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.913407][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.913407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.913407][ T73] [ 6385.915449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.915449][ T73] dst_init+0x84/0x4a0 [ 6385.915449][ T73] dst_alloc+0x97/0x150 [ 6385.915449][ T73] ip6_dst_alloc+0x23/0x90 [ 6385.915449][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6385.915449][ T73] ip6_pol_route+0x56f/0x840 [ 6385.915449][ T73] fib6_rule_lookup+0x456/0x630 [ 6385.915449][ T73] ip6_route_input+0x59c/0xa50 [ 6385.915449][ T73] ipv6_rcv+0x397/0x810 [ 6385.915449][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6385.915449][ T73] process_backlog+0x101/0x620 [ 6385.915449][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6385.915449][ T73] net_rx_action+0x495/0xbe0 [ 6385.915449][ T73] __do_softirq+0x1b5/0x7f6 [ 6385.915449][ T73] [ 6385.917259][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.917259][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.917259][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.917259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.917259][ T73] ip6_route_add+0x1c/0x140 [ 6385.917259][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6385.917259][ T73] inet6_addr_add+0x4f8/0xa40 [ 6385.917259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.917259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.917259][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.917259][ T73] netlink_unicast+0x449/0x710 [ 6385.917259][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.917259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.917259][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.917259][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.917259][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.917259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.917259][ T73] [ 6385.919490][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.919490][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.919490][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.919490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.919490][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6385.919490][ T73] ipv6_add_addr+0x411/0x2000 [ 6385.919490][ T73] inet6_addr_add+0x30e/0xa40 [ 6385.919490][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.919490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.919490][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.919490][ T73] netlink_unicast+0x449/0x710 [ 6385.919490][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.919490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.919490][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.919490][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.919490][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.919490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.919490][ T73] [ 6385.921672][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.921672][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.921672][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.921672][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.921672][ T73] ip6_route_add+0x1c/0x140 [ 6385.921672][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6385.921672][ T73] addrconf_add_dev+0xe2/0x170 [ 6385.921672][ T73] inet6_addr_add+0x12f/0xa40 [ 6385.921672][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.921672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.921672][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.921672][ T73] netlink_unicast+0x449/0x710 [ 6385.921672][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.921672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.921672][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.921672][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.921672][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.921672][ T73] [ 6385.923932][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.923932][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6385.923932][ T73] ipv6_find_idev+0x102/0x170 [ 6385.923932][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.923932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.923932][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.923932][ T73] netlink_unicast+0x449/0x710 [ 6385.923932][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.923932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.923932][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.923932][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.923932][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.923932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.923932][ T73] [ 6385.925651][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6385.925651][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6385.925651][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6385.925651][ T73] ipv6_find_idev+0x102/0x170 [ 6385.925651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.925651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.925651][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.925651][ T73] netlink_unicast+0x449/0x710 [ 6385.925651][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.925651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.925651][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.925651][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.925651][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.925651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.925651][ T73] [ 6385.927505][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6385.927784][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6385.927784][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.927784][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.927784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.927784][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6385.927784][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6385.927784][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6385.927784][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6385.927784][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6385.927784][ T73] addrconf_dad_begin+0x310/0x670 [ 6385.927784][ T73] addrconf_dad_work+0x10b/0xab0 [ 6385.927784][ T73] process_one_work+0x84d/0x18a0 [ 6385.927784][ T73] worker_thread+0x587/0xd30 [ 6385.927784][ T73] kthread+0x28a/0x350 [ 6385.927784][ T73] ret_from_fork+0x31/0x70 [ 6385.927784][ T73] ret_from_fork_asm+0x1a/0x30 [ 6385.927784][ T73] [ 6385.929921][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6385.929921][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.929921][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.929921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.929921][ T73] ip6_route_add+0x1c/0x140 [ 6385.929921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6385.929921][ T73] inet6_addr_add+0x4f8/0xa40 [ 6385.929921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.929921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.929921][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.929921][ T73] netlink_unicast+0x449/0x710 [ 6385.929921][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.929921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.929921][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.929921][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.929921][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.929921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.929921][ T73] [ 6385.932148][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6385.932148][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.932148][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.932148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.932148][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6385.932148][ T73] ipv6_add_addr+0x411/0x2000 [ 6385.932148][ T73] inet6_addr_add+0x30e/0xa40 [ 6385.932148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.932148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.932148][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.932148][ T73] netlink_unicast+0x449/0x710 [ 6385.932148][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.932148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.932148][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.932148][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.932148][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.932148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.932148][ T73] [ 6385.934444][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6385.934444][ T73] netdev_get_by_index+0x5e/0x80 [ 6385.934444][ T73] fib6_nh_init+0x3d8/0x1580 [ 6385.934444][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6385.934444][ T73] ip6_route_add+0x1c/0x140 [ 6385.934444][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6385.934444][ T73] addrconf_add_dev+0xe2/0x170 [ 6385.934444][ T73] inet6_addr_add+0x12f/0xa40 [ 6385.934444][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.934444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.934444][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.934444][ T73] netlink_unicast+0x449/0x710 [ 6385.934444][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.934444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.934444][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.934444][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.934444][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.934444][ T73] [ 6385.936637][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6385.936637][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6385.936637][ T73] ipv6_find_idev+0x102/0x170 [ 6385.936637][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.936637][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.936637][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.936637][ T73] netlink_unicast+0x449/0x710 [ 6385.936637][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.936637][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.936637][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.936637][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.936637][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.936637][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.936637][ T73] [ 6385.938306][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6385.938306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6385.938306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6385.938306][ T73] ipv6_find_idev+0x102/0x170 [ 6385.938306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.938306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.938306][ T73] netlink_rcv_skb+0x130/0x360 [ 6385.938306][ T73] netlink_unicast+0x449/0x710 [ 6385.938306][ T73] netlink_sendmsg+0x723/0xbe0 [ 6385.938306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6385.938306][ T73] ___sys_sendmsg+0xee/0x170 [ 6385.938306][ T73] __sys_sendmsg+0xcd/0x170 [ 6385.938306][ T73] do_syscall_64+0xc6/0x1e0 [ 6385.938306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.938306][ T73] [ 6396.190904][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6396.191383][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.191383][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6396.191383][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6396.191383][ T73] fib6_nh_init+0xa22/0x1580 [ 6396.191383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.191383][ T73] ip6_route_add+0x1c/0x140 [ 6396.191383][ T73] inet6_rtm_newroute+0x104/0x110 [ 6396.191383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.191383][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.191383][ T73] netlink_unicast+0x449/0x710 [ 6396.191383][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.191383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.191383][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.191383][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.191383][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.191383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.191383][ T73] [ 6396.193270][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.193270][ T73] dst_init+0x84/0x4a0 [ 6396.193270][ T73] dst_alloc+0x97/0x150 [ 6396.193270][ T73] ip6_dst_alloc+0x23/0x90 [ 6396.193270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6396.193270][ T73] ip6_pol_route+0x56f/0x840 [ 6396.193270][ T73] fib6_rule_lookup+0x456/0x630 [ 6396.193270][ T73] ip6_route_input+0x59c/0xa50 [ 6396.193270][ T73] ipv6_rcv+0x397/0x810 [ 6396.193270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6396.193270][ T73] process_backlog+0x101/0x620 [ 6396.193270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6396.193270][ T73] net_rx_action+0x495/0xbe0 [ 6396.193270][ T73] __do_softirq+0x1b5/0x7f6 [ 6396.193270][ T73] [ 6396.194902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.194902][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.194902][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.194902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.194902][ T73] ip6_route_add+0x1c/0x140 [ 6396.194902][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6396.194902][ T73] inet6_addr_add+0x4f8/0xa40 [ 6396.194902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.194902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.194902][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.194902][ T73] netlink_unicast+0x449/0x710 [ 6396.194902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.194902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.194902][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.194902][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.194902][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.194902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.194902][ T73] [ 6396.196885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.196885][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.196885][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.196885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.196885][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6396.196885][ T73] ipv6_add_addr+0x411/0x2000 [ 6396.196885][ T73] inet6_addr_add+0x30e/0xa40 [ 6396.196885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.196885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.196885][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.196885][ T73] netlink_unicast+0x449/0x710 [ 6396.196885][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.196885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.196885][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.196885][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.196885][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.196885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.196885][ T73] [ 6396.198865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.198865][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.198865][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.198865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.198865][ T73] ip6_route_add+0x1c/0x140 [ 6396.198865][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6396.198865][ T73] addrconf_add_dev+0xe2/0x170 [ 6396.198865][ T73] inet6_addr_add+0x12f/0xa40 [ 6396.198865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.198865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.198865][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.198865][ T73] netlink_unicast+0x449/0x710 [ 6396.198865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.198865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.198865][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.198865][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.198865][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.198865][ T73] [ 6396.200829][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.200829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6396.200829][ T73] ipv6_find_idev+0x102/0x170 [ 6396.200829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.200829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.200829][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.200829][ T73] netlink_unicast+0x449/0x710 [ 6396.200829][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.200829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.200829][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.200829][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.200829][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.200829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.200829][ T73] [ 6396.202363][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6396.202363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6396.202363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6396.202363][ T73] ipv6_find_idev+0x102/0x170 [ 6396.202363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.202363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.202363][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.202363][ T73] netlink_unicast+0x449/0x710 [ 6396.202363][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.202363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.202363][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.202363][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.202363][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.202363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.202363][ T73] [ 6396.204040][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6396.204311][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.204311][ T73] dst_init+0x84/0x4a0 [ 6396.204311][ T73] dst_alloc+0x97/0x150 [ 6396.204311][ T73] ip6_dst_alloc+0x23/0x90 [ 6396.204311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6396.204311][ T73] ip6_pol_route+0x56f/0x840 [ 6396.204311][ T73] fib6_rule_lookup+0x456/0x630 [ 6396.204311][ T73] ip6_route_input+0x59c/0xa50 [ 6396.204311][ T73] ipv6_rcv+0x397/0x810 [ 6396.204311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6396.204311][ T73] process_backlog+0x101/0x620 [ 6396.204311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6396.204311][ T73] net_rx_action+0x495/0xbe0 [ 6396.204311][ T73] __do_softirq+0x1b5/0x7f6 [ 6396.204311][ T73] [ 6396.205940][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.205940][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.205940][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.205940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.205940][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6396.205940][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6396.205940][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6396.205940][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6396.205940][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6396.205940][ T73] addrconf_dad_begin+0x310/0x670 [ 6396.205940][ T73] addrconf_dad_work+0x10b/0xab0 [ 6396.205940][ T73] process_one_work+0x84d/0x18a0 [ 6396.205940][ T73] worker_thread+0x587/0xd30 [ 6396.205940][ T73] kthread+0x28a/0x350 [ 6396.205940][ T73] ret_from_fork+0x31/0x70 [ 6396.205940][ T73] ret_from_fork_asm+0x1a/0x30 [ 6396.205940][ T73] [ 6396.207846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.207846][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.207846][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.207846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.207846][ T73] ip6_route_add+0x1c/0x140 [ 6396.207846][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6396.207846][ T73] inet6_addr_add+0x4f8/0xa40 [ 6396.207846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.207846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.207846][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.207846][ T73] netlink_unicast+0x449/0x710 [ 6396.207846][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.207846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.207846][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.207846][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.207846][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.207846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.207846][ T73] [ 6396.209826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.209826][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.209826][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.209826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.209826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6396.209826][ T73] ipv6_add_addr+0x411/0x2000 [ 6396.209826][ T73] inet6_addr_add+0x30e/0xa40 [ 6396.209826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.209826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.209826][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.209826][ T73] netlink_unicast+0x449/0x710 [ 6396.209826][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.209826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.209826][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.209826][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.209826][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.209826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.209826][ T73] [ 6396.211806][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.211806][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.211806][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.211806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.211806][ T73] ip6_route_add+0x1c/0x140 [ 6396.211806][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6396.211806][ T73] addrconf_add_dev+0xe2/0x170 [ 6396.211806][ T73] inet6_addr_add+0x12f/0xa40 [ 6396.211806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.211806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.211806][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.211806][ T73] netlink_unicast+0x449/0x710 [ 6396.211806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.211806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.211806][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.211806][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.211806][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.211806][ T73] [ 6396.213755][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.213755][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6396.213755][ T73] ipv6_find_idev+0x102/0x170 [ 6396.213755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.213755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.213755][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.213755][ T73] netlink_unicast+0x449/0x710 [ 6396.213755][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.213755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.213755][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.213755][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.213755][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.213755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.213755][ T73] [ 6396.215284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6396.215284][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6396.215284][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6396.215284][ T73] ipv6_find_idev+0x102/0x170 [ 6396.215284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.215284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.215284][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.215284][ T73] netlink_unicast+0x449/0x710 [ 6396.215284][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.215284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.215284][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.215284][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.215284][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.215284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.215284][ T73] [ 6396.217048][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6396.217373][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.217373][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6396.217373][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6396.217373][ T73] fib6_nh_init+0xa22/0x1580 [ 6396.217373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.217373][ T73] ip6_route_add+0x1c/0x140 [ 6396.217373][ T73] inet6_rtm_newroute+0x104/0x110 [ 6396.217373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.217373][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.217373][ T73] netlink_unicast+0x449/0x710 [ 6396.217373][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.217373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.217373][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.217373][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.217373][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.217373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.217373][ T73] [ 6396.219483][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.219483][ T73] dst_init+0x84/0x4a0 [ 6396.219483][ T73] dst_alloc+0x97/0x150 [ 6396.219483][ T73] ip6_dst_alloc+0x23/0x90 [ 6396.219483][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6396.219483][ T73] ip6_pol_route+0x56f/0x840 [ 6396.219483][ T73] fib6_rule_lookup+0x456/0x630 [ 6396.219483][ T73] ip6_route_input+0x59c/0xa50 [ 6396.219483][ T73] ipv6_rcv+0x397/0x810 [ 6396.219483][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6396.219483][ T73] process_backlog+0x101/0x620 [ 6396.219483][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6396.219483][ T73] net_rx_action+0x495/0xbe0 [ 6396.219483][ T73] __do_softirq+0x1b5/0x7f6 [ 6396.219483][ T73] [ 6396.221295][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.221295][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.221295][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.221295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.221295][ T73] ip6_route_add+0x1c/0x140 [ 6396.221295][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6396.221295][ T73] inet6_addr_add+0x4f8/0xa40 [ 6396.221295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.221295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.221295][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.221295][ T73] netlink_unicast+0x449/0x710 [ 6396.221295][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.221295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.221295][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.221295][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.221295][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.221295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.221295][ T73] [ 6396.223517][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.223517][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.223517][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.223517][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.223517][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6396.223517][ T73] ipv6_add_addr+0x411/0x2000 [ 6396.223517][ T73] inet6_addr_add+0x30e/0xa40 [ 6396.223517][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.223517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.223517][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.223517][ T73] netlink_unicast+0x449/0x710 [ 6396.223517][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.223517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.223517][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.223517][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.223517][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.223517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.223517][ T73] [ 6396.225751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.225751][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.225751][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.225751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.225751][ T73] ip6_route_add+0x1c/0x140 [ 6396.225751][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6396.225751][ T73] addrconf_add_dev+0xe2/0x170 [ 6396.225751][ T73] inet6_addr_add+0x12f/0xa40 [ 6396.225751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.225751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.225751][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.225751][ T73] netlink_unicast+0x449/0x710 [ 6396.225751][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.225751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.225751][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.225751][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.225751][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.225751][ T73] [ 6396.228008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.228008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6396.228008][ T73] ipv6_find_idev+0x102/0x170 [ 6396.228008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.228008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.228008][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.228008][ T73] netlink_unicast+0x449/0x710 [ 6396.228008][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.228008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.228008][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.228008][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.228008][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.228008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.228008][ T73] [ 6396.229716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6396.229716][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6396.229716][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6396.229716][ T73] ipv6_find_idev+0x102/0x170 [ 6396.229716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.229716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.229716][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.229716][ T73] netlink_unicast+0x449/0x710 [ 6396.229716][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.229716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.229716][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.229716][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.229716][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.229716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.229716][ T73] [ 6396.231575][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6396.232337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6396.232337][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.232337][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.232337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.232337][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6396.232337][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6396.232337][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6396.232337][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6396.232337][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6396.232337][ T73] addrconf_dad_begin+0x310/0x670 [ 6396.232337][ T73] addrconf_dad_work+0x10b/0xab0 [ 6396.232337][ T73] process_one_work+0x84d/0x18a0 [ 6396.232337][ T73] worker_thread+0x587/0xd30 [ 6396.232337][ T73] kthread+0x28a/0x350 [ 6396.232337][ T73] ret_from_fork+0x31/0x70 [ 6396.232337][ T73] ret_from_fork_asm+0x1a/0x30 [ 6396.232337][ T73] [ 6396.234236][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6396.234236][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.234236][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.234236][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.234236][ T73] ip6_route_add+0x1c/0x140 [ 6396.234236][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6396.234236][ T73] inet6_addr_add+0x4f8/0xa40 [ 6396.234236][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.234236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.234236][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.234236][ T73] netlink_unicast+0x449/0x710 [ 6396.234236][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.234236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.234236][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.234236][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.234236][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.234236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.234236][ T73] [ 6396.236291][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6396.236291][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.236291][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.236291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.236291][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6396.236291][ T73] ipv6_add_addr+0x411/0x2000 [ 6396.236291][ T73] inet6_addr_add+0x30e/0xa40 [ 6396.236291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.236291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.236291][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.236291][ T73] netlink_unicast+0x449/0x710 [ 6396.236291][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.236291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.236291][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.236291][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.236291][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.236291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.236291][ T73] [ 6396.238523][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6396.238523][ T73] netdev_get_by_index+0x5e/0x80 [ 6396.238523][ T73] fib6_nh_init+0x3d8/0x1580 [ 6396.238523][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6396.238523][ T73] ip6_route_add+0x1c/0x140 [ 6396.238523][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6396.238523][ T73] addrconf_add_dev+0xe2/0x170 [ 6396.238523][ T73] inet6_addr_add+0x12f/0xa40 [ 6396.238523][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.238523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.238523][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.238523][ T73] netlink_unicast+0x449/0x710 [ 6396.238523][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.238523][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.238523][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.238523][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.238523][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.238523][ T73] [ 6396.240781][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6396.240781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6396.240781][ T73] ipv6_find_idev+0x102/0x170 [ 6396.240781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.240781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.240781][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.240781][ T73] netlink_unicast+0x449/0x710 [ 6396.240781][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.240781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.240781][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.240781][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.240781][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.240781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.240781][ T73] [ 6396.242495][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6396.242495][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6396.242495][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6396.242495][ T73] ipv6_find_idev+0x102/0x170 [ 6396.242495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.242495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.242495][ T73] netlink_rcv_skb+0x130/0x360 [ 6396.242495][ T73] netlink_unicast+0x449/0x710 [ 6396.242495][ T73] netlink_sendmsg+0x723/0xbe0 [ 6396.242495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6396.242495][ T73] ___sys_sendmsg+0xee/0x170 [ 6396.242495][ T73] __sys_sendmsg+0xcd/0x170 [ 6396.242495][ T73] do_syscall_64+0xc6/0x1e0 [ 6396.242495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.242495][ T73] [ 6406.494903][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6406.495347][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.495347][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6406.495347][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6406.495347][ T73] fib6_nh_init+0xa22/0x1580 [ 6406.495347][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.495347][ T73] ip6_route_add+0x1c/0x140 [ 6406.495347][ T73] inet6_rtm_newroute+0x104/0x110 [ 6406.495347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.495347][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.495347][ T73] netlink_unicast+0x449/0x710 [ 6406.495347][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.495347][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.495347][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.495347][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.495347][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.495347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.495347][ T73] [ 6406.497790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.497790][ T73] dst_init+0x84/0x4a0 [ 6406.497790][ T73] dst_alloc+0x97/0x150 [ 6406.497790][ T73] ip6_dst_alloc+0x23/0x90 [ 6406.497790][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6406.497790][ T73] ip6_pol_route+0x56f/0x840 [ 6406.497790][ T73] fib6_rule_lookup+0x456/0x630 [ 6406.497790][ T73] ip6_route_input+0x59c/0xa50 [ 6406.497790][ T73] ipv6_rcv+0x397/0x810 [ 6406.497790][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6406.497790][ T73] process_backlog+0x101/0x620 [ 6406.497790][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6406.497790][ T73] net_rx_action+0x495/0xbe0 [ 6406.497790][ T73] __do_softirq+0x1b5/0x7f6 [ 6406.497790][ T73] [ 6406.499419][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.499419][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.499419][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.499419][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.499419][ T73] ip6_route_add+0x1c/0x140 [ 6406.499419][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6406.499419][ T73] inet6_addr_add+0x4f8/0xa40 [ 6406.499419][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.499419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.499419][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.499419][ T73] netlink_unicast+0x449/0x710 [ 6406.499419][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.499419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.499419][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.499419][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.499419][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.499419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.499419][ T73] [ 6406.501792][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.501792][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.501792][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.501792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.501792][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6406.501792][ T73] ipv6_add_addr+0x411/0x2000 [ 6406.501792][ T73] inet6_addr_add+0x30e/0xa40 [ 6406.501792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.501792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.501792][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.501792][ T73] netlink_unicast+0x449/0x710 [ 6406.501792][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.501792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.501792][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.501792][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.501792][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.501792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.501792][ T73] [ 6406.503770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.503770][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.503770][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.503770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.503770][ T73] ip6_route_add+0x1c/0x140 [ 6406.503770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6406.503770][ T73] addrconf_add_dev+0xe2/0x170 [ 6406.503770][ T73] inet6_addr_add+0x12f/0xa40 [ 6406.503770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.503770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.503770][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.503770][ T73] netlink_unicast+0x449/0x710 [ 6406.503770][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.503770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.503770][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.503770][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.503770][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.503770][ T73] [ 6406.505711][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.505711][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6406.505711][ T73] ipv6_find_idev+0x102/0x170 [ 6406.505711][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.505711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.505711][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.505711][ T73] netlink_unicast+0x449/0x710 [ 6406.505711][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.505711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.505711][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.505711][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.505711][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.505711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.505711][ T73] [ 6406.507235][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6406.507235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6406.507235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6406.507235][ T73] ipv6_find_idev+0x102/0x170 [ 6406.507235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.507235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.507235][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.507235][ T73] netlink_unicast+0x449/0x710 [ 6406.507235][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.507235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.507235][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.507235][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.507235][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.507235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.507235][ T73] [ 6406.508912][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6406.509180][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.509180][ T73] dst_init+0x84/0x4a0 [ 6406.509180][ T73] dst_alloc+0x97/0x150 [ 6406.509180][ T73] ip6_dst_alloc+0x23/0x90 [ 6406.509180][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6406.509180][ T73] ip6_pol_route+0x56f/0x840 [ 6406.509180][ T73] fib6_rule_lookup+0x456/0x630 [ 6406.509180][ T73] ip6_route_input+0x59c/0xa50 [ 6406.509180][ T73] ipv6_rcv+0x397/0x810 [ 6406.509180][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6406.509180][ T73] process_backlog+0x101/0x620 [ 6406.509180][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6406.509180][ T73] net_rx_action+0x495/0xbe0 [ 6406.509180][ T73] __do_softirq+0x1b5/0x7f6 [ 6406.509180][ T73] [ 6406.510805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.510805][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.510805][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.510805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.510805][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6406.510805][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6406.510805][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6406.510805][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6406.510805][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6406.510805][ T73] addrconf_dad_begin+0x310/0x670 [ 6406.510805][ T73] addrconf_dad_work+0x10b/0xab0 [ 6406.510805][ T73] process_one_work+0x84d/0x18a0 [ 6406.510805][ T73] worker_thread+0x587/0xd30 [ 6406.510805][ T73] kthread+0x28a/0x350 [ 6406.510805][ T73] ret_from_fork+0x31/0x70 [ 6406.510805][ T73] ret_from_fork_asm+0x1a/0x30 [ 6406.510805][ T73] [ 6406.512701][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.512701][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.512701][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.512701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.512701][ T73] ip6_route_add+0x1c/0x140 [ 6406.512701][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6406.512701][ T73] inet6_addr_add+0x4f8/0xa40 [ 6406.512701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.512701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.512701][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.512701][ T73] netlink_unicast+0x449/0x710 [ 6406.512701][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.512701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.512701][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.512701][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.512701][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.512701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.512701][ T73] [ 6406.514687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.514687][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.514687][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.514687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.514687][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6406.514687][ T73] ipv6_add_addr+0x411/0x2000 [ 6406.514687][ T73] inet6_addr_add+0x30e/0xa40 [ 6406.514687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.514687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.514687][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.514687][ T73] netlink_unicast+0x449/0x710 [ 6406.514687][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.514687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.514687][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.514687][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.514687][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.514687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.514687][ T73] [ 6406.516663][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.516663][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.516663][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.516663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.516663][ T73] ip6_route_add+0x1c/0x140 [ 6406.516663][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6406.516663][ T73] addrconf_add_dev+0xe2/0x170 [ 6406.516663][ T73] inet6_addr_add+0x12f/0xa40 [ 6406.516663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.516663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.516663][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.516663][ T73] netlink_unicast+0x449/0x710 [ 6406.516663][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.516663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.516663][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.516663][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.516663][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.516663][ T73] [ 6406.518604][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.518604][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6406.518604][ T73] ipv6_find_idev+0x102/0x170 [ 6406.518604][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.518604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.518604][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.518604][ T73] netlink_unicast+0x449/0x710 [ 6406.518604][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.518604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.518604][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.518604][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.518604][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.518604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.518604][ T73] [ 6406.520128][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6406.520128][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6406.520128][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6406.520128][ T73] ipv6_find_idev+0x102/0x170 [ 6406.520128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.520128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.520128][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.520128][ T73] netlink_unicast+0x449/0x710 [ 6406.520128][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.520128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.520128][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.520128][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.520128][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.520128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.520128][ T73] [ 6406.521980][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6406.522256][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.522256][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6406.522256][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6406.522256][ T73] fib6_nh_init+0xa22/0x1580 [ 6406.522256][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.522256][ T73] ip6_route_add+0x1c/0x140 [ 6406.522256][ T73] inet6_rtm_newroute+0x104/0x110 [ 6406.522256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.522256][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.522256][ T73] netlink_unicast+0x449/0x710 [ 6406.522256][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.522256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.522256][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.522256][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.522256][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.522256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.522256][ T73] [ 6406.524250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.524250][ T73] dst_init+0x84/0x4a0 [ 6406.524250][ T73] dst_alloc+0x97/0x150 [ 6406.524250][ T73] ip6_dst_alloc+0x23/0x90 [ 6406.524250][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6406.524250][ T73] ip6_pol_route+0x56f/0x840 [ 6406.524250][ T73] fib6_rule_lookup+0x456/0x630 [ 6406.524250][ T73] ip6_route_input+0x59c/0xa50 [ 6406.524250][ T73] ipv6_rcv+0x397/0x810 [ 6406.524250][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6406.524250][ T73] process_backlog+0x101/0x620 [ 6406.524250][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6406.524250][ T73] net_rx_action+0x495/0xbe0 [ 6406.524250][ T73] __do_softirq+0x1b5/0x7f6 [ 6406.524250][ T73] [ 6406.526008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.526008][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.526008][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.526008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.526008][ T73] ip6_route_add+0x1c/0x140 [ 6406.526008][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6406.526008][ T73] inet6_addr_add+0x4f8/0xa40 [ 6406.526008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.526008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.526008][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.526008][ T73] netlink_unicast+0x449/0x710 [ 6406.526008][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.526008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.526008][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.526008][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.526008][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.526008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.526008][ T73] [ 6406.528141][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.528141][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.528141][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.528141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.528141][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6406.528141][ T73] ipv6_add_addr+0x411/0x2000 [ 6406.528141][ T73] inet6_addr_add+0x30e/0xa40 [ 6406.528141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.528141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.528141][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.528141][ T73] netlink_unicast+0x449/0x710 [ 6406.528141][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.528141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.528141][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.528141][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.528141][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.528141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.528141][ T73] [ 6406.530250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.530250][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.530250][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.530250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.530250][ T73] ip6_route_add+0x1c/0x140 [ 6406.530250][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6406.530250][ T73] addrconf_add_dev+0xe2/0x170 [ 6406.530250][ T73] inet6_addr_add+0x12f/0xa40 [ 6406.530250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.530250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.530250][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.530250][ T73] netlink_unicast+0x449/0x710 [ 6406.530250][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.530250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.530250][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.530250][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.530250][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.530250][ T73] [ 6406.532338][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.532338][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6406.532338][ T73] ipv6_find_idev+0x102/0x170 [ 6406.532338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.532338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.532338][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.532338][ T73] netlink_unicast+0x449/0x710 [ 6406.532338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.532338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.532338][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.532338][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.532338][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.532338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.532338][ T73] [ 6406.533930][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6406.533930][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6406.533930][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6406.533930][ T73] ipv6_find_idev+0x102/0x170 [ 6406.533930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.533930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.533930][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.533930][ T73] netlink_unicast+0x449/0x710 [ 6406.533930][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.533930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.533930][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.533930][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.533930][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.533930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.533930][ T73] [ 6406.535734][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6406.536438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6406.536438][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.536438][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.536438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.536438][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6406.536438][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6406.536438][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6406.536438][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6406.536438][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6406.536438][ T73] addrconf_dad_begin+0x310/0x670 [ 6406.536438][ T73] addrconf_dad_work+0x10b/0xab0 [ 6406.536438][ T73] process_one_work+0x84d/0x18a0 [ 6406.536438][ T73] worker_thread+0x587/0xd30 [ 6406.536438][ T73] kthread+0x28a/0x350 [ 6406.536438][ T73] ret_from_fork+0x31/0x70 [ 6406.536438][ T73] ret_from_fork_asm+0x1a/0x30 [ 6406.536438][ T73] [ 6406.538339][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6406.538339][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.538339][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.538339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.538339][ T73] ip6_route_add+0x1c/0x140 [ 6406.538339][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6406.538339][ T73] inet6_addr_add+0x4f8/0xa40 [ 6406.538339][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.538339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.538339][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.538339][ T73] netlink_unicast+0x449/0x710 [ 6406.538339][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.538339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.538339][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.538339][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.538339][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.538339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.538339][ T73] [ 6406.540392][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6406.540392][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.540392][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.540392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.540392][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6406.540392][ T73] ipv6_add_addr+0x411/0x2000 [ 6406.540392][ T73] inet6_addr_add+0x30e/0xa40 [ 6406.540392][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.540392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.540392][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.540392][ T73] netlink_unicast+0x449/0x710 [ 6406.540392][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.540392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.540392][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.540392][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.540392][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.540392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.540392][ T73] [ 6406.542512][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6406.542512][ T73] netdev_get_by_index+0x5e/0x80 [ 6406.542512][ T73] fib6_nh_init+0x3d8/0x1580 [ 6406.542512][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6406.542512][ T73] ip6_route_add+0x1c/0x140 [ 6406.542512][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6406.542512][ T73] addrconf_add_dev+0xe2/0x170 [ 6406.542512][ T73] inet6_addr_add+0x12f/0xa40 [ 6406.542512][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.542512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.542512][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.542512][ T73] netlink_unicast+0x449/0x710 [ 6406.542512][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.542512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.542512][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.542512][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.542512][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.542512][ T73] [ 6406.544603][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6406.544603][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6406.544603][ T73] ipv6_find_idev+0x102/0x170 [ 6406.544603][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.544603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.544603][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.544603][ T73] netlink_unicast+0x449/0x710 [ 6406.544603][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.544603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.544603][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.544603][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.544603][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.544603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.544603][ T73] [ 6406.546214][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6406.546214][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6406.546214][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6406.546214][ T73] ipv6_find_idev+0x102/0x170 [ 6406.546214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.546214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.546214][ T73] netlink_rcv_skb+0x130/0x360 [ 6406.546214][ T73] netlink_unicast+0x449/0x710 [ 6406.546214][ T73] netlink_sendmsg+0x723/0xbe0 [ 6406.546214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6406.546214][ T73] ___sys_sendmsg+0xee/0x170 [ 6406.546214][ T73] __sys_sendmsg+0xcd/0x170 [ 6406.546214][ T73] do_syscall_64+0xc6/0x1e0 [ 6406.546214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.546214][ T73] [ 6416.798886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6416.799368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.799368][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6416.799368][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6416.799368][ T73] fib6_nh_init+0xa22/0x1580 [ 6416.799368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.799368][ T73] ip6_route_add+0x1c/0x140 [ 6416.799368][ T73] inet6_rtm_newroute+0x104/0x110 [ 6416.799368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.799368][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.799368][ T73] netlink_unicast+0x449/0x710 [ 6416.799368][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.799368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.799368][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.799368][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.799368][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.799368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.799368][ T73] [ 6416.801373][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.801373][ T73] dst_init+0x84/0x4a0 [ 6416.801373][ T73] dst_alloc+0x97/0x150 [ 6416.801373][ T73] ip6_dst_alloc+0x23/0x90 [ 6416.801373][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6416.801373][ T73] ip6_pol_route+0x56f/0x840 [ 6416.801373][ T73] fib6_rule_lookup+0x456/0x630 [ 6416.801373][ T73] ip6_route_input+0x59c/0xa50 [ 6416.801373][ T73] ipv6_rcv+0x397/0x810 [ 6416.801373][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6416.801373][ T73] process_backlog+0x101/0x620 [ 6416.801373][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6416.801373][ T73] net_rx_action+0x495/0xbe0 [ 6416.801373][ T73] __do_softirq+0x1b5/0x7f6 [ 6416.801373][ T73] [ 6416.803011][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.803011][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.803011][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.803011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.803011][ T73] ip6_route_add+0x1c/0x140 [ 6416.803011][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6416.803011][ T73] inet6_addr_add+0x4f8/0xa40 [ 6416.803011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.803011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.803011][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.803011][ T73] netlink_unicast+0x449/0x710 [ 6416.803011][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.803011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.803011][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.803011][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.803011][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.803011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.803011][ T73] [ 6416.805008][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.805008][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.805008][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.805008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.805008][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6416.805008][ T73] ipv6_add_addr+0x411/0x2000 [ 6416.805008][ T73] inet6_addr_add+0x30e/0xa40 [ 6416.805008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.805008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.805008][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.805008][ T73] netlink_unicast+0x449/0x710 [ 6416.805008][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.805008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.805008][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.805008][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.805008][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.805008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.805008][ T73] [ 6416.806997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.806997][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.806997][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.806997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.806997][ T73] ip6_route_add+0x1c/0x140 [ 6416.806997][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6416.806997][ T73] addrconf_add_dev+0xe2/0x170 [ 6416.806997][ T73] inet6_addr_add+0x12f/0xa40 [ 6416.806997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.806997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.806997][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.806997][ T73] netlink_unicast+0x449/0x710 [ 6416.806997][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.806997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.806997][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.806997][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.806997][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.806997][ T73] [ 6416.808950][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.808950][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6416.808950][ T73] ipv6_find_idev+0x102/0x170 [ 6416.808950][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.808950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.808950][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.808950][ T73] netlink_unicast+0x449/0x710 [ 6416.808950][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.808950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.808950][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.808950][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.808950][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.808950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.808950][ T73] [ 6416.810484][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6416.810484][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6416.810484][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6416.810484][ T73] ipv6_find_idev+0x102/0x170 [ 6416.810484][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.810484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.810484][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.810484][ T73] netlink_unicast+0x449/0x710 [ 6416.810484][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.810484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.810484][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.810484][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.810484][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.810484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.810484][ T73] [ 6416.812185][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6416.812464][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.812464][ T73] dst_init+0x84/0x4a0 [ 6416.812464][ T73] dst_alloc+0x97/0x150 [ 6416.812464][ T73] ip6_dst_alloc+0x23/0x90 [ 6416.812464][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6416.812464][ T73] ip6_pol_route+0x56f/0x840 [ 6416.812464][ T73] fib6_rule_lookup+0x456/0x630 [ 6416.812464][ T73] ip6_route_input+0x59c/0xa50 [ 6416.812464][ T73] ipv6_rcv+0x397/0x810 [ 6416.812464][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6416.812464][ T73] process_backlog+0x101/0x620 [ 6416.812464][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6416.812464][ T73] net_rx_action+0x495/0xbe0 [ 6416.812464][ T73] __do_softirq+0x1b5/0x7f6 [ 6416.812464][ T73] [ 6416.814092][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.814092][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.814092][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.814092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.814092][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6416.814092][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6416.814092][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6416.814092][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6416.814092][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6416.814092][ T73] addrconf_dad_begin+0x310/0x670 [ 6416.814092][ T73] addrconf_dad_work+0x10b/0xab0 [ 6416.814092][ T73] process_one_work+0x84d/0x18a0 [ 6416.814092][ T73] worker_thread+0x587/0xd30 [ 6416.814092][ T73] kthread+0x28a/0x350 [ 6416.814092][ T73] ret_from_fork+0x31/0x70 [ 6416.814092][ T73] ret_from_fork_asm+0x1a/0x30 [ 6416.814092][ T73] [ 6416.815992][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.815992][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.815992][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.815992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.815992][ T73] ip6_route_add+0x1c/0x140 [ 6416.815992][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6416.815992][ T73] inet6_addr_add+0x4f8/0xa40 [ 6416.815992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.815992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.815992][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.815992][ T73] netlink_unicast+0x449/0x710 [ 6416.815992][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.815992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.815992][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.815992][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.815992][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.815992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.815992][ T73] [ 6416.817976][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.817976][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.817976][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.817976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.817976][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6416.817976][ T73] ipv6_add_addr+0x411/0x2000 [ 6416.817976][ T73] inet6_addr_add+0x30e/0xa40 [ 6416.817976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.817976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.817976][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.817976][ T73] netlink_unicast+0x449/0x710 [ 6416.817976][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.817976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.817976][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.817976][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.817976][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.817976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.817976][ T73] [ 6416.819970][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.819970][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.819970][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.819970][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.819970][ T73] ip6_route_add+0x1c/0x140 [ 6416.819970][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6416.819970][ T73] addrconf_add_dev+0xe2/0x170 [ 6416.819970][ T73] inet6_addr_add+0x12f/0xa40 [ 6416.819970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.819970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.819970][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.819970][ T73] netlink_unicast+0x449/0x710 [ 6416.819970][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.819970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.819970][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.819970][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.819970][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.819970][ T73] [ 6416.821928][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.821928][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6416.821928][ T73] ipv6_find_idev+0x102/0x170 [ 6416.821928][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.821928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.821928][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.821928][ T73] netlink_unicast+0x449/0x710 [ 6416.821928][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.821928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.821928][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.821928][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.821928][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.821928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.821928][ T73] [ 6416.823456][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6416.823456][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6416.823456][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6416.823456][ T73] ipv6_find_idev+0x102/0x170 [ 6416.823456][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.823456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.823456][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.823456][ T73] netlink_unicast+0x449/0x710 [ 6416.823456][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.823456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.823456][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.823456][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.823456][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.823456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.823456][ T73] [ 6416.825192][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6416.825527][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.825527][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6416.825527][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6416.825527][ T73] fib6_nh_init+0xa22/0x1580 [ 6416.825527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.825527][ T73] ip6_route_add+0x1c/0x140 [ 6416.825527][ T73] inet6_rtm_newroute+0x104/0x110 [ 6416.825527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.825527][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.825527][ T73] netlink_unicast+0x449/0x710 [ 6416.825527][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.825527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.825527][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.825527][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.825527][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.825527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.825527][ T73] [ 6416.827577][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.827577][ T73] dst_init+0x84/0x4a0 [ 6416.827577][ T73] dst_alloc+0x97/0x150 [ 6416.827577][ T73] ip6_dst_alloc+0x23/0x90 [ 6416.827577][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6416.827577][ T73] ip6_pol_route+0x56f/0x840 [ 6416.827577][ T73] fib6_rule_lookup+0x456/0x630 [ 6416.827577][ T73] ip6_route_input+0x59c/0xa50 [ 6416.827577][ T73] ipv6_rcv+0x397/0x810 [ 6416.827577][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6416.827577][ T73] process_backlog+0x101/0x620 [ 6416.827577][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6416.827577][ T73] net_rx_action+0x495/0xbe0 [ 6416.827577][ T73] __do_softirq+0x1b5/0x7f6 [ 6416.827577][ T73] [ 6416.829379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.829379][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.829379][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.829379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.829379][ T73] ip6_route_add+0x1c/0x140 [ 6416.829379][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6416.829379][ T73] inet6_addr_add+0x4f8/0xa40 [ 6416.829379][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.829379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.829379][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.829379][ T73] netlink_unicast+0x449/0x710 [ 6416.829379][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.829379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.829379][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.829379][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.829379][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.829379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.829379][ T73] [ 6416.831613][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.831613][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.831613][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.831613][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.831613][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6416.831613][ T73] ipv6_add_addr+0x411/0x2000 [ 6416.831613][ T73] inet6_addr_add+0x30e/0xa40 [ 6416.831613][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.831613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.831613][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.831613][ T73] netlink_unicast+0x449/0x710 [ 6416.831613][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.831613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.831613][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.831613][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.831613][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.831613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.831613][ T73] [ 6416.833910][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.833910][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.833910][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.833910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.833910][ T73] ip6_route_add+0x1c/0x140 [ 6416.833910][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6416.833910][ T73] addrconf_add_dev+0xe2/0x170 [ 6416.833910][ T73] inet6_addr_add+0x12f/0xa40 [ 6416.833910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.833910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.833910][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.833910][ T73] netlink_unicast+0x449/0x710 [ 6416.833910][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.833910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.833910][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.833910][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.833910][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.833910][ T73] [ 6416.836098][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.836098][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6416.836098][ T73] ipv6_find_idev+0x102/0x170 [ 6416.836098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.836098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.836098][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.836098][ T73] netlink_unicast+0x449/0x710 [ 6416.836098][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.836098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.836098][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.836098][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.836098][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.836098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.836098][ T73] [ 6416.837806][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6416.837806][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6416.837806][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6416.837806][ T73] ipv6_find_idev+0x102/0x170 [ 6416.837806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.837806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.837806][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.837806][ T73] netlink_unicast+0x449/0x710 [ 6416.837806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.837806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.837806][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.837806][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.837806][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.837806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.837806][ T73] [ 6416.839658][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6416.840425][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6416.840425][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.840425][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.840425][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.840425][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6416.840425][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6416.840425][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6416.840425][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6416.840425][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6416.840425][ T73] addrconf_dad_begin+0x310/0x670 [ 6416.840425][ T73] addrconf_dad_work+0x10b/0xab0 [ 6416.840425][ T73] process_one_work+0x84d/0x18a0 [ 6416.840425][ T73] worker_thread+0x587/0xd30 [ 6416.840425][ T73] kthread+0x28a/0x350 [ 6416.840425][ T73] ret_from_fork+0x31/0x70 [ 6416.840425][ T73] ret_from_fork_asm+0x1a/0x30 [ 6416.840425][ T73] [ 6416.842331][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6416.842331][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.842331][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.842331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.842331][ T73] ip6_route_add+0x1c/0x140 [ 6416.842331][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6416.842331][ T73] inet6_addr_add+0x4f8/0xa40 [ 6416.842331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.842331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.842331][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.842331][ T73] netlink_unicast+0x449/0x710 [ 6416.842331][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.842331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.842331][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.842331][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.842331][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.842331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.842331][ T73] [ 6416.844384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6416.844384][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.844384][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.844384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.844384][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6416.844384][ T73] ipv6_add_addr+0x411/0x2000 [ 6416.844384][ T73] inet6_addr_add+0x30e/0xa40 [ 6416.844384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.844384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.844384][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.844384][ T73] netlink_unicast+0x449/0x710 [ 6416.844384][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.844384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.844384][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.844384][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.844384][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.844384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.844384][ T73] [ 6416.846669][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6416.846669][ T73] netdev_get_by_index+0x5e/0x80 [ 6416.846669][ T73] fib6_nh_init+0x3d8/0x1580 [ 6416.846669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6416.846669][ T73] ip6_route_add+0x1c/0x140 [ 6416.846669][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6416.846669][ T73] addrconf_add_dev+0xe2/0x170 [ 6416.846669][ T73] inet6_addr_add+0x12f/0xa40 [ 6416.846669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.846669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.846669][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.846669][ T73] netlink_unicast+0x449/0x710 [ 6416.846669][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.846669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.846669][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.846669][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.846669][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.846669][ T73] [ 6416.848862][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6416.848862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6416.848862][ T73] ipv6_find_idev+0x102/0x170 [ 6416.848862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.848862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.848862][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.848862][ T73] netlink_unicast+0x449/0x710 [ 6416.848862][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.848862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.848862][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.848862][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.848862][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.848862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.848862][ T73] [ 6416.850573][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6416.850573][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6416.850573][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6416.850573][ T73] ipv6_find_idev+0x102/0x170 [ 6416.850573][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.850573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.850573][ T73] netlink_rcv_skb+0x130/0x360 [ 6416.850573][ T73] netlink_unicast+0x449/0x710 [ 6416.850573][ T73] netlink_sendmsg+0x723/0xbe0 [ 6416.850573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6416.850573][ T73] ___sys_sendmsg+0xee/0x170 [ 6416.850573][ T73] __sys_sendmsg+0xcd/0x170 [ 6416.850573][ T73] do_syscall_64+0xc6/0x1e0 [ 6416.850573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.850573][ T73] [ 6426.974922][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6426.975396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.975396][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6426.975396][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6426.975396][ T73] fib6_nh_init+0xa22/0x1580 [ 6426.975396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.975396][ T73] ip6_route_add+0x1c/0x140 [ 6426.975396][ T73] inet6_rtm_newroute+0x104/0x110 [ 6426.975396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.975396][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.975396][ T73] netlink_unicast+0x449/0x710 [ 6426.975396][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.975396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.975396][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.975396][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.975396][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.975396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.975396][ T73] [ 6426.977295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.977295][ T73] dst_init+0x84/0x4a0 [ 6426.977295][ T73] dst_alloc+0x97/0x150 [ 6426.977295][ T73] ip6_dst_alloc+0x23/0x90 [ 6426.977295][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6426.977295][ T73] ip6_pol_route+0x56f/0x840 [ 6426.977295][ T73] fib6_rule_lookup+0x456/0x630 [ 6426.977295][ T73] ip6_route_input+0x59c/0xa50 [ 6426.977295][ T73] ipv6_rcv+0x397/0x810 [ 6426.977295][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6426.977295][ T73] process_backlog+0x101/0x620 [ 6426.977295][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6426.977295][ T73] net_rx_action+0x495/0xbe0 [ 6426.977295][ T73] __do_softirq+0x1b5/0x7f6 [ 6426.977295][ T73] [ 6426.978933][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.978933][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.978933][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.978933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.978933][ T73] ip6_route_add+0x1c/0x140 [ 6426.978933][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6426.978933][ T73] inet6_addr_add+0x4f8/0xa40 [ 6426.978933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.978933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.978933][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.978933][ T73] netlink_unicast+0x449/0x710 [ 6426.978933][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.978933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.978933][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.978933][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.978933][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.978933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.978933][ T73] [ 6426.980940][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.980940][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.980940][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.980940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.980940][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6426.980940][ T73] ipv6_add_addr+0x411/0x2000 [ 6426.980940][ T73] inet6_addr_add+0x30e/0xa40 [ 6426.980940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.980940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.980940][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.980940][ T73] netlink_unicast+0x449/0x710 [ 6426.980940][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.980940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.980940][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.980940][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.980940][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.980940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.980940][ T73] [ 6426.982961][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.982961][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.982961][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.982961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.982961][ T73] ip6_route_add+0x1c/0x140 [ 6426.982961][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6426.982961][ T73] addrconf_add_dev+0xe2/0x170 [ 6426.982961][ T73] inet6_addr_add+0x12f/0xa40 [ 6426.982961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.982961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.982961][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.982961][ T73] netlink_unicast+0x449/0x710 [ 6426.982961][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.982961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.982961][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.982961][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.982961][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.982961][ T73] [ 6426.984953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.984953][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6426.984953][ T73] ipv6_find_idev+0x102/0x170 [ 6426.984953][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6426.984953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.984953][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.984953][ T73] netlink_unicast+0x449/0x710 [ 6426.984953][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.984953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.984953][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.984953][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.984953][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.984953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.984953][ T73] [ 6426.986498][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6426.986498][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6426.986498][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6426.986498][ T73] ipv6_find_idev+0x102/0x170 [ 6426.986498][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6426.986498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.986498][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.986498][ T73] netlink_unicast+0x449/0x710 [ 6426.986498][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.986498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.986498][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.986498][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.986498][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.986498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.986498][ T73] [ 6426.988158][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6426.988455][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.988455][ T73] dst_init+0x84/0x4a0 [ 6426.988455][ T73] dst_alloc+0x97/0x150 [ 6426.988455][ T73] ip6_dst_alloc+0x23/0x90 [ 6426.988455][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6426.988455][ T73] ip6_pol_route+0x56f/0x840 [ 6426.988455][ T73] fib6_rule_lookup+0x456/0x630 [ 6426.988455][ T73] ip6_route_input+0x59c/0xa50 [ 6426.988455][ T73] ipv6_rcv+0x397/0x810 [ 6426.988455][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6426.988455][ T73] process_backlog+0x101/0x620 [ 6426.988455][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6426.988455][ T73] net_rx_action+0x495/0xbe0 [ 6426.988455][ T73] __do_softirq+0x1b5/0x7f6 [ 6426.988455][ T73] [ 6426.990101][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.990101][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.990101][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.990101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.990101][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6426.990101][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6426.990101][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6426.990101][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6426.990101][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6426.990101][ T73] addrconf_dad_begin+0x310/0x670 [ 6426.990101][ T73] addrconf_dad_work+0x10b/0xab0 [ 6426.990101][ T73] process_one_work+0x84d/0x18a0 [ 6426.990101][ T73] worker_thread+0x587/0xd30 [ 6426.990101][ T73] kthread+0x28a/0x350 [ 6426.990101][ T73] ret_from_fork+0x31/0x70 [ 6426.990101][ T73] ret_from_fork_asm+0x1a/0x30 [ 6426.990101][ T73] [ 6426.992030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.992030][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.992030][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.992030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.992030][ T73] ip6_route_add+0x1c/0x140 [ 6426.992030][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6426.992030][ T73] inet6_addr_add+0x4f8/0xa40 [ 6426.992030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.992030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.992030][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.992030][ T73] netlink_unicast+0x449/0x710 [ 6426.992030][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.992030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.992030][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.992030][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.992030][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.992030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.992030][ T73] [ 6426.994058][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.994058][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.994058][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.994058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.994058][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6426.994058][ T73] ipv6_add_addr+0x411/0x2000 [ 6426.994058][ T73] inet6_addr_add+0x30e/0xa40 [ 6426.994058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.994058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.994058][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.994058][ T73] netlink_unicast+0x449/0x710 [ 6426.994058][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.994058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.994058][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.994058][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.994058][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.994058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.994058][ T73] [ 6426.996081][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.996081][ T73] netdev_get_by_index+0x5e/0x80 [ 6426.996081][ T73] fib6_nh_init+0x3d8/0x1580 [ 6426.996081][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6426.996081][ T73] ip6_route_add+0x1c/0x140 [ 6426.996081][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6426.996081][ T73] addrconf_add_dev+0xe2/0x170 [ 6426.996081][ T73] inet6_addr_add+0x12f/0xa40 [ 6426.996081][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.996081][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.996081][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.996081][ T73] netlink_unicast+0x449/0x710 [ 6426.996081][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.996081][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.996081][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.996081][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.996081][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.996081][ T73] [ 6426.998064][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.998064][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6426.998064][ T73] ipv6_find_idev+0x102/0x170 [ 6426.998064][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6426.998064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.998064][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.998064][ T73] netlink_unicast+0x449/0x710 [ 6426.998064][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.998064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.998064][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.998064][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.998064][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.998064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.998064][ T73] [ 6426.999611][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6426.999611][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6426.999611][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6426.999611][ T73] ipv6_find_idev+0x102/0x170 [ 6426.999611][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6426.999611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.999611][ T73] netlink_rcv_skb+0x130/0x360 [ 6426.999611][ T73] netlink_unicast+0x449/0x710 [ 6426.999611][ T73] netlink_sendmsg+0x723/0xbe0 [ 6426.999611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6426.999611][ T73] ___sys_sendmsg+0xee/0x170 [ 6426.999611][ T73] __sys_sendmsg+0xcd/0x170 [ 6426.999611][ T73] do_syscall_64+0xc6/0x1e0 [ 6426.999611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.999611][ T73] [ 6427.001456][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6427.001786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.001786][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6427.001786][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6427.001786][ T73] fib6_nh_init+0xa22/0x1580 [ 6427.001786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.001786][ T73] ip6_route_add+0x1c/0x140 [ 6427.001786][ T73] inet6_rtm_newroute+0x104/0x110 [ 6427.001786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.001786][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.001786][ T73] netlink_unicast+0x449/0x710 [ 6427.001786][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.001786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.001786][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.001786][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.001786][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.001786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.001786][ T73] [ 6427.004431][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.004431][ T73] dst_init+0x84/0x4a0 [ 6427.004431][ T73] dst_alloc+0x97/0x150 [ 6427.004431][ T73] ip6_dst_alloc+0x23/0x90 [ 6427.004431][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6427.004431][ T73] ip6_pol_route+0x56f/0x840 [ 6427.004431][ T73] fib6_rule_lookup+0x456/0x630 [ 6427.004431][ T73] ip6_route_input+0x59c/0xa50 [ 6427.004431][ T73] ipv6_rcv+0x397/0x810 [ 6427.004431][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6427.004431][ T73] process_backlog+0x101/0x620 [ 6427.004431][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6427.004431][ T73] net_rx_action+0x495/0xbe0 [ 6427.004431][ T73] __do_softirq+0x1b5/0x7f6 [ 6427.004431][ T73] [ 6427.006250][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.006250][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.006250][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.006250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.006250][ T73] ip6_route_add+0x1c/0x140 [ 6427.006250][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6427.006250][ T73] inet6_addr_add+0x4f8/0xa40 [ 6427.006250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.006250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.006250][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.006250][ T73] netlink_unicast+0x449/0x710 [ 6427.006250][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.006250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.006250][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.006250][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.006250][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.006250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.006250][ T73] [ 6427.008492][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.008492][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.008492][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.008492][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.008492][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6427.008492][ T73] ipv6_add_addr+0x411/0x2000 [ 6427.008492][ T73] inet6_addr_add+0x30e/0xa40 [ 6427.008492][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.008492][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.008492][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.008492][ T73] netlink_unicast+0x449/0x710 [ 6427.008492][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.008492][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.008492][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.008492][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.008492][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.008492][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.008492][ T73] [ 6427.010738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.010738][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.010738][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.010738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.010738][ T73] ip6_route_add+0x1c/0x140 [ 6427.010738][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6427.010738][ T73] addrconf_add_dev+0xe2/0x170 [ 6427.010738][ T73] inet6_addr_add+0x12f/0xa40 [ 6427.010738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.010738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.010738][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.010738][ T73] netlink_unicast+0x449/0x710 [ 6427.010738][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.010738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.010738][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.010738][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.010738][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.010738][ T73] [ 6427.013015][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.013015][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6427.013015][ T73] ipv6_find_idev+0x102/0x170 [ 6427.013015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.013015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.013015][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.013015][ T73] netlink_unicast+0x449/0x710 [ 6427.013015][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.013015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.013015][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.013015][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.013015][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.013015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.013015][ T73] [ 6427.014751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6427.014751][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6427.014751][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6427.014751][ T73] ipv6_find_idev+0x102/0x170 [ 6427.014751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.014751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.014751][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.014751][ T73] netlink_unicast+0x449/0x710 [ 6427.014751][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.014751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.014751][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.014751][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.014751][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.014751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.014751][ T73] [ 6427.016629][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6427.017334][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6427.017334][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.017334][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.017334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.017334][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6427.017334][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6427.017334][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6427.017334][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6427.017334][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6427.017334][ T73] addrconf_dad_begin+0x310/0x670 [ 6427.017334][ T73] addrconf_dad_work+0x10b/0xab0 [ 6427.017334][ T73] process_one_work+0x84d/0x18a0 [ 6427.017334][ T73] worker_thread+0x587/0xd30 [ 6427.017334][ T73] kthread+0x28a/0x350 [ 6427.017334][ T73] ret_from_fork+0x31/0x70 [ 6427.017334][ T73] ret_from_fork_asm+0x1a/0x30 [ 6427.017334][ T73] [ 6427.019244][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6427.019244][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.019244][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.019244][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.019244][ T73] ip6_route_add+0x1c/0x140 [ 6427.019244][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6427.019244][ T73] inet6_addr_add+0x4f8/0xa40 [ 6427.019244][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.019244][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.019244][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.019244][ T73] netlink_unicast+0x449/0x710 [ 6427.019244][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.019244][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.019244][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.019244][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.019244][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.019244][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.019244][ T73] [ 6427.021380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6427.021380][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.021380][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.021380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.021380][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6427.021380][ T73] ipv6_add_addr+0x411/0x2000 [ 6427.021380][ T73] inet6_addr_add+0x30e/0xa40 [ 6427.021380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.021380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.021380][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.021380][ T73] netlink_unicast+0x449/0x710 [ 6427.021380][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.021380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.021380][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.021380][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.021380][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.021380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.021380][ T73] [ 6427.024002][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6427.024002][ T73] netdev_get_by_index+0x5e/0x80 [ 6427.024002][ T73] fib6_nh_init+0x3d8/0x1580 [ 6427.024002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6427.024002][ T73] ip6_route_add+0x1c/0x140 [ 6427.024002][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6427.024002][ T73] addrconf_add_dev+0xe2/0x170 [ 6427.024002][ T73] inet6_addr_add+0x12f/0xa40 [ 6427.024002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.024002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.024002][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.024002][ T73] netlink_unicast+0x449/0x710 [ 6427.024002][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.024002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.024002][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.024002][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.024002][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.024002][ T73] [ 6427.026321][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6427.026321][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6427.026321][ T73] ipv6_find_idev+0x102/0x170 [ 6427.026321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.026321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.026321][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.026321][ T73] netlink_unicast+0x449/0x710 [ 6427.026321][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.026321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.026321][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.026321][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.026321][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.026321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.026321][ T73] [ 6427.028049][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6427.028049][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6427.028049][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6427.028049][ T73] ipv6_find_idev+0x102/0x170 [ 6427.028049][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.028049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.028049][ T73] netlink_rcv_skb+0x130/0x360 [ 6427.028049][ T73] netlink_unicast+0x449/0x710 [ 6427.028049][ T73] netlink_sendmsg+0x723/0xbe0 [ 6427.028049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6427.028049][ T73] ___sys_sendmsg+0xee/0x170 [ 6427.028049][ T73] __sys_sendmsg+0xcd/0x170 [ 6427.028049][ T73] do_syscall_64+0xc6/0x1e0 [ 6427.028049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.028049][ T73] [ 6437.270889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6437.271379][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.271379][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6437.271379][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6437.271379][ T73] fib6_nh_init+0xa22/0x1580 [ 6437.271379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.271379][ T73] ip6_route_add+0x1c/0x140 [ 6437.271379][ T73] inet6_rtm_newroute+0x104/0x110 [ 6437.271379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.271379][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.271379][ T73] netlink_unicast+0x449/0x710 [ 6437.271379][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.271379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.271379][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.271379][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.271379][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.271379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.271379][ T73] [ 6437.273273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.273273][ T73] dst_init+0x84/0x4a0 [ 6437.273273][ T73] dst_alloc+0x97/0x150 [ 6437.273273][ T73] ip6_dst_alloc+0x23/0x90 [ 6437.273273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6437.273273][ T73] ip6_pol_route+0x56f/0x840 [ 6437.273273][ T73] fib6_rule_lookup+0x456/0x630 [ 6437.273273][ T73] ip6_route_input+0x59c/0xa50 [ 6437.273273][ T73] ipv6_rcv+0x397/0x810 [ 6437.273273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6437.273273][ T73] process_backlog+0x101/0x620 [ 6437.273273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6437.273273][ T73] net_rx_action+0x495/0xbe0 [ 6437.273273][ T73] __do_softirq+0x1b5/0x7f6 [ 6437.273273][ T73] [ 6437.274922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.274922][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.274922][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.274922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.274922][ T73] ip6_route_add+0x1c/0x140 [ 6437.274922][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6437.274922][ T73] inet6_addr_add+0x4f8/0xa40 [ 6437.274922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.274922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.274922][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.274922][ T73] netlink_unicast+0x449/0x710 [ 6437.274922][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.274922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.274922][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.274922][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.274922][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.274922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.274922][ T73] [ 6437.276853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.276853][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.276853][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.276853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.276853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6437.276853][ T73] ipv6_add_addr+0x411/0x2000 [ 6437.276853][ T73] inet6_addr_add+0x30e/0xa40 [ 6437.276853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.276853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.276853][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.276853][ T73] netlink_unicast+0x449/0x710 [ 6437.276853][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.276853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.276853][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.276853][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.276853][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.276853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.276853][ T73] [ 6437.278790][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.278790][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.278790][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.278790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.278790][ T73] ip6_route_add+0x1c/0x140 [ 6437.278790][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6437.278790][ T73] addrconf_add_dev+0xe2/0x170 [ 6437.278790][ T73] inet6_addr_add+0x12f/0xa40 [ 6437.278790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.278790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.278790][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.278790][ T73] netlink_unicast+0x449/0x710 [ 6437.278790][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.278790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.278790][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.278790][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.278790][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.278790][ T73] [ 6437.280727][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.280727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6437.280727][ T73] ipv6_find_idev+0x102/0x170 [ 6437.280727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.280727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.280727][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.280727][ T73] netlink_unicast+0x449/0x710 [ 6437.280727][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.280727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.280727][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.280727][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.280727][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.280727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.280727][ T73] [ 6437.282281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6437.282281][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6437.282281][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6437.282281][ T73] ipv6_find_idev+0x102/0x170 [ 6437.282281][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.282281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.282281][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.282281][ T73] netlink_unicast+0x449/0x710 [ 6437.282281][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.282281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.282281][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.282281][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.282281][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.282281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.282281][ T73] [ 6437.283955][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6437.284234][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.284234][ T73] dst_init+0x84/0x4a0 [ 6437.284234][ T73] dst_alloc+0x97/0x150 [ 6437.284234][ T73] ip6_dst_alloc+0x23/0x90 [ 6437.284234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6437.284234][ T73] ip6_pol_route+0x56f/0x840 [ 6437.284234][ T73] fib6_rule_lookup+0x456/0x630 [ 6437.284234][ T73] ip6_route_input+0x59c/0xa50 [ 6437.284234][ T73] ipv6_rcv+0x397/0x810 [ 6437.284234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6437.284234][ T73] process_backlog+0x101/0x620 [ 6437.284234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6437.284234][ T73] net_rx_action+0x495/0xbe0 [ 6437.284234][ T73] __do_softirq+0x1b5/0x7f6 [ 6437.284234][ T73] [ 6437.285860][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.285860][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.285860][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.285860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.285860][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6437.285860][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6437.285860][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6437.285860][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6437.285860][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6437.285860][ T73] addrconf_dad_begin+0x310/0x670 [ 6437.285860][ T73] addrconf_dad_work+0x10b/0xab0 [ 6437.285860][ T73] process_one_work+0x84d/0x18a0 [ 6437.285860][ T73] worker_thread+0x587/0xd30 [ 6437.285860][ T73] kthread+0x28a/0x350 [ 6437.285860][ T73] ret_from_fork+0x31/0x70 [ 6437.285860][ T73] ret_from_fork_asm+0x1a/0x30 [ 6437.285860][ T73] [ 6437.287752][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.287752][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.287752][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.287752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.287752][ T73] ip6_route_add+0x1c/0x140 [ 6437.287752][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6437.287752][ T73] inet6_addr_add+0x4f8/0xa40 [ 6437.287752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.287752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.287752][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.287752][ T73] netlink_unicast+0x449/0x710 [ 6437.287752][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.287752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.287752][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.287752][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.287752][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.287752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.287752][ T73] [ 6437.289745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.289745][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.289745][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.289745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.289745][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6437.289745][ T73] ipv6_add_addr+0x411/0x2000 [ 6437.289745][ T73] inet6_addr_add+0x30e/0xa40 [ 6437.289745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.289745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.289745][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.289745][ T73] netlink_unicast+0x449/0x710 [ 6437.289745][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.289745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.289745][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.289745][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.289745][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.289745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.289745][ T73] [ 6437.291735][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.291735][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.291735][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.291735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.291735][ T73] ip6_route_add+0x1c/0x140 [ 6437.291735][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6437.291735][ T73] addrconf_add_dev+0xe2/0x170 [ 6437.291735][ T73] inet6_addr_add+0x12f/0xa40 [ 6437.291735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.291735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.291735][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.291735][ T73] netlink_unicast+0x449/0x710 [ 6437.291735][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.291735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.291735][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.291735][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.291735][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.291735][ T73] [ 6437.293683][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.293683][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6437.293683][ T73] ipv6_find_idev+0x102/0x170 [ 6437.293683][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.293683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.293683][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.293683][ T73] netlink_unicast+0x449/0x710 [ 6437.293683][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.293683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.293683][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.293683][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.293683][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.293683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.293683][ T73] [ 6437.295210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6437.295210][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6437.295210][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6437.295210][ T73] ipv6_find_idev+0x102/0x170 [ 6437.295210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.295210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.295210][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.295210][ T73] netlink_unicast+0x449/0x710 [ 6437.295210][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.295210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.295210][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.295210][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.295210][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.295210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.295210][ T73] [ 6437.297009][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6437.297287][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.297287][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6437.297287][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6437.297287][ T73] fib6_nh_init+0xa22/0x1580 [ 6437.297287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.297287][ T73] ip6_route_add+0x1c/0x140 [ 6437.297287][ T73] inet6_rtm_newroute+0x104/0x110 [ 6437.297287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.297287][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.297287][ T73] netlink_unicast+0x449/0x710 [ 6437.297287][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.297287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.297287][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.297287][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.297287][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.297287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.297287][ T73] [ 6437.299399][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.299399][ T73] dst_init+0x84/0x4a0 [ 6437.299399][ T73] dst_alloc+0x97/0x150 [ 6437.299399][ T73] ip6_dst_alloc+0x23/0x90 [ 6437.299399][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6437.299399][ T73] ip6_pol_route+0x56f/0x840 [ 6437.299399][ T73] fib6_rule_lookup+0x456/0x630 [ 6437.299399][ T73] ip6_route_input+0x59c/0xa50 [ 6437.299399][ T73] ipv6_rcv+0x397/0x810 [ 6437.299399][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6437.299399][ T73] process_backlog+0x101/0x620 [ 6437.299399][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6437.299399][ T73] net_rx_action+0x495/0xbe0 [ 6437.299399][ T73] __do_softirq+0x1b5/0x7f6 [ 6437.299399][ T73] [ 6437.301205][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.301205][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.301205][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.301205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.301205][ T73] ip6_route_add+0x1c/0x140 [ 6437.301205][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6437.301205][ T73] inet6_addr_add+0x4f8/0xa40 [ 6437.301205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.301205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.301205][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.301205][ T73] netlink_unicast+0x449/0x710 [ 6437.301205][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.301205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.301205][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.301205][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.301205][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.301205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.301205][ T73] [ 6437.303441][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.303441][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.303441][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.303441][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.303441][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6437.303441][ T73] ipv6_add_addr+0x411/0x2000 [ 6437.303441][ T73] inet6_addr_add+0x30e/0xa40 [ 6437.303441][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.303441][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.303441][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.303441][ T73] netlink_unicast+0x449/0x710 [ 6437.303441][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.303441][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.303441][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.303441][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.303441][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.303441][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.303441][ T73] [ 6437.305735][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.305735][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.305735][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.305735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.305735][ T73] ip6_route_add+0x1c/0x140 [ 6437.305735][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6437.305735][ T73] addrconf_add_dev+0xe2/0x170 [ 6437.305735][ T73] inet6_addr_add+0x12f/0xa40 [ 6437.305735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.305735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.305735][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.305735][ T73] netlink_unicast+0x449/0x710 [ 6437.305735][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.305735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.305735][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.305735][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.305735][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.305735][ T73] [ 6437.307876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.307876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6437.307876][ T73] ipv6_find_idev+0x102/0x170 [ 6437.307876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.307876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.307876][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.307876][ T73] netlink_unicast+0x449/0x710 [ 6437.307876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.307876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.307876][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.307876][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.307876][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.307876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.307876][ T73] [ 6437.309588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6437.309588][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6437.309588][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6437.309588][ T73] ipv6_find_idev+0x102/0x170 [ 6437.309588][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.309588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.309588][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.309588][ T73] netlink_unicast+0x449/0x710 [ 6437.309588][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.309588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.309588][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.309588][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.309588][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.309588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.309588][ T73] [ 6437.311512][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6437.311784][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6437.311784][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.311784][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.311784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.311784][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6437.311784][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6437.311784][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6437.311784][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6437.311784][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6437.311784][ T73] addrconf_dad_begin+0x310/0x670 [ 6437.311784][ T73] addrconf_dad_work+0x10b/0xab0 [ 6437.311784][ T73] process_one_work+0x84d/0x18a0 [ 6437.311784][ T73] worker_thread+0x587/0xd30 [ 6437.311784][ T73] kthread+0x28a/0x350 [ 6437.311784][ T73] ret_from_fork+0x31/0x70 [ 6437.311784][ T73] ret_from_fork_asm+0x1a/0x30 [ 6437.311784][ T73] [ 6437.313988][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6437.313988][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.313988][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.313988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.313988][ T73] ip6_route_add+0x1c/0x140 [ 6437.313988][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6437.313988][ T73] inet6_addr_add+0x4f8/0xa40 [ 6437.313988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.313988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.313988][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.313988][ T73] netlink_unicast+0x449/0x710 [ 6437.313988][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.313988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.313988][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.313988][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.313988][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.313988][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.313988][ T73] [ 6437.316221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6437.316221][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.316221][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.316221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.316221][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6437.316221][ T73] ipv6_add_addr+0x411/0x2000 [ 6437.316221][ T73] inet6_addr_add+0x30e/0xa40 [ 6437.316221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.316221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.316221][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.316221][ T73] netlink_unicast+0x449/0x710 [ 6437.316221][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.316221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.316221][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.316221][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.316221][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.316221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.316221][ T73] [ 6437.318406][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6437.318406][ T73] netdev_get_by_index+0x5e/0x80 [ 6437.318406][ T73] fib6_nh_init+0x3d8/0x1580 [ 6437.318406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6437.318406][ T73] ip6_route_add+0x1c/0x140 [ 6437.318406][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6437.318406][ T73] addrconf_add_dev+0xe2/0x170 [ 6437.318406][ T73] inet6_addr_add+0x12f/0xa40 [ 6437.318406][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.318406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.318406][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.318406][ T73] netlink_unicast+0x449/0x710 [ 6437.318406][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.318406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.318406][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.318406][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.318406][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.318406][ T73] [ 6437.320603][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6437.320603][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6437.320603][ T73] ipv6_find_idev+0x102/0x170 [ 6437.320603][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.320603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.320603][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.320603][ T73] netlink_unicast+0x449/0x710 [ 6437.320603][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.320603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.320603][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.320603][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.320603][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.320603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.320603][ T73] [ 6437.322318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6437.322318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6437.322318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6437.322318][ T73] ipv6_find_idev+0x102/0x170 [ 6437.322318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.322318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.322318][ T73] netlink_rcv_skb+0x130/0x360 [ 6437.322318][ T73] netlink_unicast+0x449/0x710 [ 6437.322318][ T73] netlink_sendmsg+0x723/0xbe0 [ 6437.322318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6437.322318][ T73] ___sys_sendmsg+0xee/0x170 [ 6437.322318][ T73] __sys_sendmsg+0xcd/0x170 [ 6437.322318][ T73] do_syscall_64+0xc6/0x1e0 [ 6437.322318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.322318][ T73] [ 6447.566890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6447.567348][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.567348][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6447.567348][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6447.567348][ T73] fib6_nh_init+0xa22/0x1580 [ 6447.567348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.567348][ T73] ip6_route_add+0x1c/0x140 [ 6447.567348][ T73] inet6_rtm_newroute+0x104/0x110 [ 6447.567348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.567348][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.567348][ T73] netlink_unicast+0x449/0x710 [ 6447.567348][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.567348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.567348][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.567348][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.567348][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.567348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.567348][ T73] [ 6447.569244][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.569244][ T73] dst_init+0x84/0x4a0 [ 6447.569244][ T73] dst_alloc+0x97/0x150 [ 6447.569244][ T73] ip6_dst_alloc+0x23/0x90 [ 6447.569244][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6447.569244][ T73] ip6_pol_route+0x56f/0x840 [ 6447.569244][ T73] fib6_rule_lookup+0x456/0x630 [ 6447.569244][ T73] ip6_route_input+0x59c/0xa50 [ 6447.569244][ T73] ipv6_rcv+0x397/0x810 [ 6447.569244][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6447.569244][ T73] process_backlog+0x101/0x620 [ 6447.569244][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6447.569244][ T73] net_rx_action+0x495/0xbe0 [ 6447.569244][ T73] __do_softirq+0x1b5/0x7f6 [ 6447.569244][ T73] [ 6447.570881][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.570881][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.570881][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.570881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.570881][ T73] ip6_route_add+0x1c/0x140 [ 6447.570881][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6447.570881][ T73] inet6_addr_add+0x4f8/0xa40 [ 6447.570881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.570881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.570881][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.570881][ T73] netlink_unicast+0x449/0x710 [ 6447.570881][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.570881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.570881][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.570881][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.570881][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.570881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.570881][ T73] [ 6447.572866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.572866][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.572866][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.572866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.572866][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6447.572866][ T73] ipv6_add_addr+0x411/0x2000 [ 6447.572866][ T73] inet6_addr_add+0x30e/0xa40 [ 6447.572866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.572866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.572866][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.572866][ T73] netlink_unicast+0x449/0x710 [ 6447.572866][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.572866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.572866][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.572866][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.572866][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.572866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.572866][ T73] [ 6447.574856][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.574856][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.574856][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.574856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.574856][ T73] ip6_route_add+0x1c/0x140 [ 6447.574856][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6447.574856][ T73] addrconf_add_dev+0xe2/0x170 [ 6447.574856][ T73] inet6_addr_add+0x12f/0xa40 [ 6447.574856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.574856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.574856][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.574856][ T73] netlink_unicast+0x449/0x710 [ 6447.574856][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.574856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.574856][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.574856][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.574856][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.574856][ T73] [ 6447.576800][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.576800][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6447.576800][ T73] ipv6_find_idev+0x102/0x170 [ 6447.576800][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.576800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.576800][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.576800][ T73] netlink_unicast+0x449/0x710 [ 6447.576800][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.576800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.576800][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.576800][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.576800][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.576800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.576800][ T73] [ 6447.578329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6447.578329][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6447.578329][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6447.578329][ T73] ipv6_find_idev+0x102/0x170 [ 6447.578329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.578329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.578329][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.578329][ T73] netlink_unicast+0x449/0x710 [ 6447.578329][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.578329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.578329][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.578329][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.578329][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.578329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.578329][ T73] [ 6447.580011][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6447.580283][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.580283][ T73] dst_init+0x84/0x4a0 [ 6447.580283][ T73] dst_alloc+0x97/0x150 [ 6447.580283][ T73] ip6_dst_alloc+0x23/0x90 [ 6447.580283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6447.580283][ T73] ip6_pol_route+0x56f/0x840 [ 6447.580283][ T73] fib6_rule_lookup+0x456/0x630 [ 6447.580283][ T73] ip6_route_input+0x59c/0xa50 [ 6447.580283][ T73] ipv6_rcv+0x397/0x810 [ 6447.580283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6447.580283][ T73] process_backlog+0x101/0x620 [ 6447.580283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6447.580283][ T73] net_rx_action+0x495/0xbe0 [ 6447.580283][ T73] __do_softirq+0x1b5/0x7f6 [ 6447.580283][ T73] [ 6447.581922][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.581922][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.581922][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.581922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.581922][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6447.581922][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6447.581922][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6447.581922][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6447.581922][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6447.581922][ T73] addrconf_dad_begin+0x310/0x670 [ 6447.581922][ T73] addrconf_dad_work+0x10b/0xab0 [ 6447.581922][ T73] process_one_work+0x84d/0x18a0 [ 6447.581922][ T73] worker_thread+0x587/0xd30 [ 6447.581922][ T73] kthread+0x28a/0x350 [ 6447.581922][ T73] ret_from_fork+0x31/0x70 [ 6447.581922][ T73] ret_from_fork_asm+0x1a/0x30 [ 6447.581922][ T73] [ 6447.583820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.583820][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.583820][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.583820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.583820][ T73] ip6_route_add+0x1c/0x140 [ 6447.583820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6447.583820][ T73] inet6_addr_add+0x4f8/0xa40 [ 6447.583820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.583820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.583820][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.583820][ T73] netlink_unicast+0x449/0x710 [ 6447.583820][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.583820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.583820][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.583820][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.583820][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.583820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.583820][ T73] [ 6447.585807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.585807][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.585807][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.585807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.585807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6447.585807][ T73] ipv6_add_addr+0x411/0x2000 [ 6447.585807][ T73] inet6_addr_add+0x30e/0xa40 [ 6447.585807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.585807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.585807][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.585807][ T73] netlink_unicast+0x449/0x710 [ 6447.585807][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.585807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.585807][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.585807][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.585807][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.585807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.585807][ T73] [ 6447.587787][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.587787][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.587787][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.587787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.587787][ T73] ip6_route_add+0x1c/0x140 [ 6447.587787][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6447.587787][ T73] addrconf_add_dev+0xe2/0x170 [ 6447.587787][ T73] inet6_addr_add+0x12f/0xa40 [ 6447.587787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.587787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.587787][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.587787][ T73] netlink_unicast+0x449/0x710 [ 6447.587787][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.587787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.587787][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.587787][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.587787][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.587787][ T73] [ 6447.589735][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.589735][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6447.589735][ T73] ipv6_find_idev+0x102/0x170 [ 6447.589735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.589735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.589735][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.589735][ T73] netlink_unicast+0x449/0x710 [ 6447.589735][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.589735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.589735][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.589735][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.589735][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.589735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.589735][ T73] [ 6447.591262][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6447.591262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6447.591262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6447.591262][ T73] ipv6_find_idev+0x102/0x170 [ 6447.591262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.591262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.591262][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.591262][ T73] netlink_unicast+0x449/0x710 [ 6447.591262][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.591262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.591262][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.591262][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.591262][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.591262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.591262][ T73] [ 6447.593063][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6447.593325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.593325][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6447.593325][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6447.593325][ T73] fib6_nh_init+0xa22/0x1580 [ 6447.593325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.593325][ T73] ip6_route_add+0x1c/0x140 [ 6447.593325][ T73] inet6_rtm_newroute+0x104/0x110 [ 6447.593325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.593325][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.593325][ T73] netlink_unicast+0x449/0x710 [ 6447.593325][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.593325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.593325][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.593325][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.593325][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.593325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.593325][ T73] [ 6447.595505][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.595505][ T73] dst_init+0x84/0x4a0 [ 6447.595505][ T73] dst_alloc+0x97/0x150 [ 6447.595505][ T73] ip6_dst_alloc+0x23/0x90 [ 6447.595505][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6447.595505][ T73] ip6_pol_route+0x56f/0x840 [ 6447.595505][ T73] fib6_rule_lookup+0x456/0x630 [ 6447.595505][ T73] ip6_route_input+0x59c/0xa50 [ 6447.595505][ T73] ipv6_rcv+0x397/0x810 [ 6447.595505][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6447.595505][ T73] process_backlog+0x101/0x620 [ 6447.595505][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6447.595505][ T73] net_rx_action+0x495/0xbe0 [ 6447.595505][ T73] __do_softirq+0x1b5/0x7f6 [ 6447.595505][ T73] [ 6447.597305][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.597305][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.597305][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.597305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.597305][ T73] ip6_route_add+0x1c/0x140 [ 6447.597305][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6447.597305][ T73] inet6_addr_add+0x4f8/0xa40 [ 6447.597305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.597305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.597305][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.597305][ T73] netlink_unicast+0x449/0x710 [ 6447.597305][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.597305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.597305][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.597305][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.597305][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.597305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.597305][ T73] [ 6447.599533][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.599533][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.599533][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.599533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.599533][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6447.599533][ T73] ipv6_add_addr+0x411/0x2000 [ 6447.599533][ T73] inet6_addr_add+0x30e/0xa40 [ 6447.599533][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.599533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.599533][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.599533][ T73] netlink_unicast+0x449/0x710 [ 6447.599533][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.599533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.599533][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.599533][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.599533][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.599533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.599533][ T73] [ 6447.601761][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.601761][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.601761][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.601761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.601761][ T73] ip6_route_add+0x1c/0x140 [ 6447.601761][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6447.601761][ T73] addrconf_add_dev+0xe2/0x170 [ 6447.601761][ T73] inet6_addr_add+0x12f/0xa40 [ 6447.601761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.601761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.601761][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.601761][ T73] netlink_unicast+0x449/0x710 [ 6447.601761][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.601761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.601761][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.601761][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.601761][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.601761][ T73] [ 6447.603878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.603878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6447.603878][ T73] ipv6_find_idev+0x102/0x170 [ 6447.603878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.603878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.603878][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.603878][ T73] netlink_unicast+0x449/0x710 [ 6447.603878][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.603878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.603878][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.603878][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.603878][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.603878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.603878][ T73] [ 6447.605646][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6447.605646][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6447.605646][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6447.605646][ T73] ipv6_find_idev+0x102/0x170 [ 6447.605646][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.605646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.605646][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.605646][ T73] netlink_unicast+0x449/0x710 [ 6447.605646][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.605646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.605646][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.605646][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.605646][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.605646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.605646][ T73] [ 6447.607556][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6447.607827][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6447.607827][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.607827][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.607827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.607827][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6447.607827][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6447.607827][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6447.607827][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6447.607827][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6447.607827][ T73] addrconf_dad_begin+0x310/0x670 [ 6447.607827][ T73] addrconf_dad_work+0x10b/0xab0 [ 6447.607827][ T73] process_one_work+0x84d/0x18a0 [ 6447.607827][ T73] worker_thread+0x587/0xd30 [ 6447.607827][ T73] kthread+0x28a/0x350 [ 6447.607827][ T73] ret_from_fork+0x31/0x70 [ 6447.607827][ T73] ret_from_fork_asm+0x1a/0x30 [ 6447.607827][ T73] [ 6447.609962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6447.609962][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.609962][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.609962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.609962][ T73] ip6_route_add+0x1c/0x140 [ 6447.609962][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6447.609962][ T73] inet6_addr_add+0x4f8/0xa40 [ 6447.609962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.609962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.609962][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.609962][ T73] netlink_unicast+0x449/0x710 [ 6447.609962][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.609962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.609962][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.609962][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.609962][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.609962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.609962][ T73] [ 6447.612198][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6447.612198][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.612198][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.612198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.612198][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6447.612198][ T73] ipv6_add_addr+0x411/0x2000 [ 6447.612198][ T73] inet6_addr_add+0x30e/0xa40 [ 6447.612198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.612198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.612198][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.612198][ T73] netlink_unicast+0x449/0x710 [ 6447.612198][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.612198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.612198][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.612198][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.612198][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.612198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.612198][ T73] [ 6447.614418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6447.614418][ T73] netdev_get_by_index+0x5e/0x80 [ 6447.614418][ T73] fib6_nh_init+0x3d8/0x1580 [ 6447.614418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6447.614418][ T73] ip6_route_add+0x1c/0x140 [ 6447.614418][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6447.614418][ T73] addrconf_add_dev+0xe2/0x170 [ 6447.614418][ T73] inet6_addr_add+0x12f/0xa40 [ 6447.614418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6447.614418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.614418][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.614418][ T73] netlink_unicast+0x449/0x710 [ 6447.614418][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.614418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.614418][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.614418][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.614418][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.614418][ T73] [ 6447.616610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6447.616610][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6447.616610][ T73] ipv6_find_idev+0x102/0x170 [ 6447.616610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.616610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.616610][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.616610][ T73] netlink_unicast+0x449/0x710 [ 6447.616610][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.616610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.616610][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.616610][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.616610][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.616610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.616610][ T73] [ 6447.618332][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6447.618332][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6447.618332][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6447.618332][ T73] ipv6_find_idev+0x102/0x170 [ 6447.618332][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6447.618332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6447.618332][ T73] netlink_rcv_skb+0x130/0x360 [ 6447.618332][ T73] netlink_unicast+0x449/0x710 [ 6447.618332][ T73] netlink_sendmsg+0x723/0xbe0 [ 6447.618332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6447.618332][ T73] ___sys_sendmsg+0xee/0x170 [ 6447.618332][ T73] __sys_sendmsg+0xcd/0x170 [ 6447.618332][ T73] do_syscall_64+0xc6/0x1e0 [ 6447.618332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6447.618332][ T73] [ 6457.862922][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6457.863393][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.863393][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6457.863393][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6457.863393][ T73] fib6_nh_init+0xa22/0x1580 [ 6457.863393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.863393][ T73] ip6_route_add+0x1c/0x140 [ 6457.863393][ T73] inet6_rtm_newroute+0x104/0x110 [ 6457.863393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.863393][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.863393][ T73] netlink_unicast+0x449/0x710 [ 6457.863393][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.863393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.863393][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.863393][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.863393][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.863393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.863393][ T73] [ 6457.865325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.865325][ T73] dst_init+0x84/0x4a0 [ 6457.865325][ T73] dst_alloc+0x97/0x150 [ 6457.865325][ T73] ip6_dst_alloc+0x23/0x90 [ 6457.865325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6457.865325][ T73] ip6_pol_route+0x56f/0x840 [ 6457.865325][ T73] fib6_rule_lookup+0x456/0x630 [ 6457.865325][ T73] ip6_route_input+0x59c/0xa50 [ 6457.865325][ T73] ipv6_rcv+0x397/0x810 [ 6457.865325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6457.865325][ T73] process_backlog+0x101/0x620 [ 6457.865325][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6457.865325][ T73] net_rx_action+0x495/0xbe0 [ 6457.865325][ T73] __do_softirq+0x1b5/0x7f6 [ 6457.865325][ T73] [ 6457.866978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.866978][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.866978][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.866978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.866978][ T73] ip6_route_add+0x1c/0x140 [ 6457.866978][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6457.866978][ T73] inet6_addr_add+0x4f8/0xa40 [ 6457.866978][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.866978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.866978][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.866978][ T73] netlink_unicast+0x449/0x710 [ 6457.866978][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.866978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.866978][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.866978][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.866978][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.866978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.866978][ T73] [ 6457.868978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.868978][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.868978][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.868978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.868978][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6457.868978][ T73] ipv6_add_addr+0x411/0x2000 [ 6457.868978][ T73] inet6_addr_add+0x30e/0xa40 [ 6457.868978][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.868978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.868978][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.868978][ T73] netlink_unicast+0x449/0x710 [ 6457.868978][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.868978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.868978][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.868978][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.868978][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.868978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.868978][ T73] [ 6457.871012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.871012][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.871012][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.871012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.871012][ T73] ip6_route_add+0x1c/0x140 [ 6457.871012][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6457.871012][ T73] addrconf_add_dev+0xe2/0x170 [ 6457.871012][ T73] inet6_addr_add+0x12f/0xa40 [ 6457.871012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.871012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.871012][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.871012][ T73] netlink_unicast+0x449/0x710 [ 6457.871012][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.871012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.871012][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.871012][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.871012][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.871012][ T73] [ 6457.872990][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.872990][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6457.872990][ T73] ipv6_find_idev+0x102/0x170 [ 6457.872990][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.872990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.872990][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.872990][ T73] netlink_unicast+0x449/0x710 [ 6457.872990][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.872990][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.872990][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.872990][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.872990][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.872990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.872990][ T73] [ 6457.874553][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6457.874553][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6457.874553][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6457.874553][ T73] ipv6_find_idev+0x102/0x170 [ 6457.874553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.874553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.874553][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.874553][ T73] netlink_unicast+0x449/0x710 [ 6457.874553][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.874553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.874553][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.874553][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.874553][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.874553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.874553][ T73] [ 6457.876279][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6457.876550][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.876550][ T73] dst_init+0x84/0x4a0 [ 6457.876550][ T73] dst_alloc+0x97/0x150 [ 6457.876550][ T73] ip6_dst_alloc+0x23/0x90 [ 6457.876550][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6457.876550][ T73] ip6_pol_route+0x56f/0x840 [ 6457.876550][ T73] fib6_rule_lookup+0x456/0x630 [ 6457.876550][ T73] ip6_route_input+0x59c/0xa50 [ 6457.876550][ T73] ipv6_rcv+0x397/0x810 [ 6457.876550][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6457.876550][ T73] process_backlog+0x101/0x620 [ 6457.876550][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6457.876550][ T73] net_rx_action+0x495/0xbe0 [ 6457.876550][ T73] __do_softirq+0x1b5/0x7f6 [ 6457.876550][ T73] [ 6457.878218][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.878218][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.878218][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.878218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.878218][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6457.878218][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6457.878218][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6457.878218][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6457.878218][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6457.878218][ T73] addrconf_dad_begin+0x310/0x670 [ 6457.878218][ T73] addrconf_dad_work+0x10b/0xab0 [ 6457.878218][ T73] process_one_work+0x84d/0x18a0 [ 6457.878218][ T73] worker_thread+0x587/0xd30 [ 6457.878218][ T73] kthread+0x28a/0x350 [ 6457.878218][ T73] ret_from_fork+0x31/0x70 [ 6457.878218][ T73] ret_from_fork_asm+0x1a/0x30 [ 6457.878218][ T73] [ 6457.880131][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.880131][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.880131][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.880131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.880131][ T73] ip6_route_add+0x1c/0x140 [ 6457.880131][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6457.880131][ T73] inet6_addr_add+0x4f8/0xa40 [ 6457.880131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.880131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.880131][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.880131][ T73] netlink_unicast+0x449/0x710 [ 6457.880131][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.880131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.880131][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.880131][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.880131][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.880131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.880131][ T73] [ 6457.882166][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.882166][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.882166][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.882166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.882166][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6457.882166][ T73] ipv6_add_addr+0x411/0x2000 [ 6457.882166][ T73] inet6_addr_add+0x30e/0xa40 [ 6457.882166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.882166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.882166][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.882166][ T73] netlink_unicast+0x449/0x710 [ 6457.882166][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.882166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.882166][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.882166][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.882166][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.882166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.882166][ T73] [ 6457.884188][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.884188][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.884188][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.884188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.884188][ T73] ip6_route_add+0x1c/0x140 [ 6457.884188][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6457.884188][ T73] addrconf_add_dev+0xe2/0x170 [ 6457.884188][ T73] inet6_addr_add+0x12f/0xa40 [ 6457.884188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.884188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.884188][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.884188][ T73] netlink_unicast+0x449/0x710 [ 6457.884188][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.884188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.884188][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.884188][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.884188][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.884188][ T73] [ 6457.886179][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.886179][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6457.886179][ T73] ipv6_find_idev+0x102/0x170 [ 6457.886179][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.886179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.886179][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.886179][ T73] netlink_unicast+0x449/0x710 [ 6457.886179][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.886179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.886179][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.886179][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.886179][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.886179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.886179][ T73] [ 6457.887740][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6457.887740][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6457.887740][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6457.887740][ T73] ipv6_find_idev+0x102/0x170 [ 6457.887740][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.887740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.887740][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.887740][ T73] netlink_unicast+0x449/0x710 [ 6457.887740][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.887740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.887740][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.887740][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.887740][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.887740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.887740][ T73] [ 6457.889563][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6457.889902][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.889902][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6457.889902][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6457.889902][ T73] fib6_nh_init+0xa22/0x1580 [ 6457.889902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.889902][ T73] ip6_route_add+0x1c/0x140 [ 6457.889902][ T73] inet6_rtm_newroute+0x104/0x110 [ 6457.889902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.889902][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.889902][ T73] netlink_unicast+0x449/0x710 [ 6457.889902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.889902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.889902][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.889902][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.889902][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.889902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.889902][ T73] [ 6457.892032][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.892032][ T73] dst_init+0x84/0x4a0 [ 6457.892032][ T73] dst_alloc+0x97/0x150 [ 6457.892032][ T73] ip6_dst_alloc+0x23/0x90 [ 6457.892032][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6457.892032][ T73] ip6_pol_route+0x56f/0x840 [ 6457.892032][ T73] fib6_rule_lookup+0x456/0x630 [ 6457.892032][ T73] ip6_route_input+0x59c/0xa50 [ 6457.892032][ T73] ipv6_rcv+0x397/0x810 [ 6457.892032][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6457.892032][ T73] process_backlog+0x101/0x620 [ 6457.892032][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6457.892032][ T73] net_rx_action+0x495/0xbe0 [ 6457.892032][ T73] __do_softirq+0x1b5/0x7f6 [ 6457.892032][ T73] [ 6457.893851][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.893851][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.893851][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.893851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.893851][ T73] ip6_route_add+0x1c/0x140 [ 6457.893851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6457.893851][ T73] inet6_addr_add+0x4f8/0xa40 [ 6457.893851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.893851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.893851][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.893851][ T73] netlink_unicast+0x449/0x710 [ 6457.893851][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.893851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.893851][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.893851][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.893851][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.893851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.893851][ T73] [ 6457.896102][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.896102][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.896102][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.896102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.896102][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6457.896102][ T73] ipv6_add_addr+0x411/0x2000 [ 6457.896102][ T73] inet6_addr_add+0x30e/0xa40 [ 6457.896102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.896102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.896102][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.896102][ T73] netlink_unicast+0x449/0x710 [ 6457.896102][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.896102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.896102][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.896102][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.896102][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.896102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.896102][ T73] [ 6457.898348][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.898348][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.898348][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.898348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.898348][ T73] ip6_route_add+0x1c/0x140 [ 6457.898348][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6457.898348][ T73] addrconf_add_dev+0xe2/0x170 [ 6457.898348][ T73] inet6_addr_add+0x12f/0xa40 [ 6457.898348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.898348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.898348][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.898348][ T73] netlink_unicast+0x449/0x710 [ 6457.898348][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.898348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.898348][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.898348][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.898348][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.898348][ T73] [ 6457.900621][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.900621][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6457.900621][ T73] ipv6_find_idev+0x102/0x170 [ 6457.900621][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.900621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.900621][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.900621][ T73] netlink_unicast+0x449/0x710 [ 6457.900621][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.900621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.900621][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.900621][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.900621][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.900621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.900621][ T73] [ 6457.902355][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6457.902355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6457.902355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6457.902355][ T73] ipv6_find_idev+0x102/0x170 [ 6457.902355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.902355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.902355][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.902355][ T73] netlink_unicast+0x449/0x710 [ 6457.902355][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.902355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.902355][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.902355][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.902355][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.902355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.902355][ T73] [ 6457.904227][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6457.904495][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6457.904495][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.904495][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.904495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.904495][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6457.904495][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6457.904495][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6457.904495][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6457.904495][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6457.904495][ T73] addrconf_dad_begin+0x310/0x670 [ 6457.904495][ T73] addrconf_dad_work+0x10b/0xab0 [ 6457.904495][ T73] process_one_work+0x84d/0x18a0 [ 6457.904495][ T73] worker_thread+0x587/0xd30 [ 6457.904495][ T73] kthread+0x28a/0x350 [ 6457.904495][ T73] ret_from_fork+0x31/0x70 [ 6457.904495][ T73] ret_from_fork_asm+0x1a/0x30 [ 6457.904495][ T73] [ 6457.906666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6457.906666][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.906666][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.906666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.906666][ T73] ip6_route_add+0x1c/0x140 [ 6457.906666][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6457.906666][ T73] inet6_addr_add+0x4f8/0xa40 [ 6457.906666][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.906666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.906666][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.906666][ T73] netlink_unicast+0x449/0x710 [ 6457.906666][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.906666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.906666][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.906666][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.906666][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.906666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.906666][ T73] [ 6457.908914][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6457.908914][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.908914][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.908914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.908914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6457.908914][ T73] ipv6_add_addr+0x411/0x2000 [ 6457.908914][ T73] inet6_addr_add+0x30e/0xa40 [ 6457.908914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.908914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.908914][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.908914][ T73] netlink_unicast+0x449/0x710 [ 6457.908914][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.908914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.908914][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.908914][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.908914][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.908914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.908914][ T73] [ 6457.911232][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6457.911232][ T73] netdev_get_by_index+0x5e/0x80 [ 6457.911232][ T73] fib6_nh_init+0x3d8/0x1580 [ 6457.911232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6457.911232][ T73] ip6_route_add+0x1c/0x140 [ 6457.911232][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6457.911232][ T73] addrconf_add_dev+0xe2/0x170 [ 6457.911232][ T73] inet6_addr_add+0x12f/0xa40 [ 6457.911232][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.911232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.911232][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.911232][ T73] netlink_unicast+0x449/0x710 [ 6457.911232][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.911232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.911232][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.911232][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.911232][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.911232][ T73] [ 6457.913397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6457.913397][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6457.913397][ T73] ipv6_find_idev+0x102/0x170 [ 6457.913397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.913397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.913397][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.913397][ T73] netlink_unicast+0x449/0x710 [ 6457.913397][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.913397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.913397][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.913397][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.913397][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.913397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.913397][ T73] [ 6457.915129][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6457.915129][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6457.915129][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6457.915129][ T73] ipv6_find_idev+0x102/0x170 [ 6457.915129][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.915129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.915129][ T73] netlink_rcv_skb+0x130/0x360 [ 6457.915129][ T73] netlink_unicast+0x449/0x710 [ 6457.915129][ T73] netlink_sendmsg+0x723/0xbe0 [ 6457.915129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6457.915129][ T73] ___sys_sendmsg+0xee/0x170 [ 6457.915129][ T73] __sys_sendmsg+0xcd/0x170 [ 6457.915129][ T73] do_syscall_64+0xc6/0x1e0 [ 6457.915129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.915129][ T73] [ 6467.958833][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6467.959309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.959309][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6467.959309][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6467.959309][ T73] fib6_nh_init+0xa22/0x1580 [ 6467.959309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.959309][ T73] ip6_route_add+0x1c/0x140 [ 6467.959309][ T73] inet6_rtm_newroute+0x104/0x110 [ 6467.959309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.959309][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.959309][ T73] netlink_unicast+0x449/0x710 [ 6467.959309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.959309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.959309][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.959309][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.959309][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.959309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.959309][ T73] [ 6467.961220][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.961220][ T73] dst_init+0x84/0x4a0 [ 6467.961220][ T73] dst_alloc+0x97/0x150 [ 6467.961220][ T73] ip6_dst_alloc+0x23/0x90 [ 6467.961220][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6467.961220][ T73] ip6_pol_route+0x56f/0x840 [ 6467.961220][ T73] fib6_rule_lookup+0x456/0x630 [ 6467.961220][ T73] ip6_route_input+0x59c/0xa50 [ 6467.961220][ T73] ipv6_rcv+0x397/0x810 [ 6467.961220][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6467.961220][ T73] process_backlog+0x101/0x620 [ 6467.961220][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6467.961220][ T73] net_rx_action+0x495/0xbe0 [ 6467.961220][ T73] __do_softirq+0x1b5/0x7f6 [ 6467.961220][ T73] [ 6467.962867][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.962867][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.962867][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.962867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.962867][ T73] ip6_route_add+0x1c/0x140 [ 6467.962867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6467.962867][ T73] inet6_addr_add+0x4f8/0xa40 [ 6467.962867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.962867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.962867][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.962867][ T73] netlink_unicast+0x449/0x710 [ 6467.962867][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.962867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.962867][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.962867][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.962867][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.962867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.962867][ T73] [ 6467.964871][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.964871][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.964871][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.964871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.964871][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6467.964871][ T73] ipv6_add_addr+0x411/0x2000 [ 6467.964871][ T73] inet6_addr_add+0x30e/0xa40 [ 6467.964871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.964871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.964871][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.964871][ T73] netlink_unicast+0x449/0x710 [ 6467.964871][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.964871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.964871][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.964871][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.964871][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.964871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.964871][ T73] [ 6467.966880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.966880][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.966880][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.966880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.966880][ T73] ip6_route_add+0x1c/0x140 [ 6467.966880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6467.966880][ T73] addrconf_add_dev+0xe2/0x170 [ 6467.966880][ T73] inet6_addr_add+0x12f/0xa40 [ 6467.966880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.966880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.966880][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.966880][ T73] netlink_unicast+0x449/0x710 [ 6467.966880][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.966880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.966880][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.966880][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.966880][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.966880][ T73] [ 6467.968855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.968855][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6467.968855][ T73] ipv6_find_idev+0x102/0x170 [ 6467.968855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.968855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.968855][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.968855][ T73] netlink_unicast+0x449/0x710 [ 6467.968855][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.968855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.968855][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.968855][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.968855][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.968855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.968855][ T73] [ 6467.970404][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6467.970404][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6467.970404][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6467.970404][ T73] ipv6_find_idev+0x102/0x170 [ 6467.970404][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.970404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.970404][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.970404][ T73] netlink_unicast+0x449/0x710 [ 6467.970404][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.970404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.970404][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.970404][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.970404][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.970404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.970404][ T73] [ 6467.972119][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6467.972397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.972397][ T73] dst_init+0x84/0x4a0 [ 6467.972397][ T73] dst_alloc+0x97/0x150 [ 6467.972397][ T73] ip6_dst_alloc+0x23/0x90 [ 6467.972397][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6467.972397][ T73] ip6_pol_route+0x56f/0x840 [ 6467.972397][ T73] fib6_rule_lookup+0x456/0x630 [ 6467.972397][ T73] ip6_route_input+0x59c/0xa50 [ 6467.972397][ T73] ipv6_rcv+0x397/0x810 [ 6467.972397][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6467.972397][ T73] process_backlog+0x101/0x620 [ 6467.972397][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6467.972397][ T73] net_rx_action+0x495/0xbe0 [ 6467.972397][ T73] __do_softirq+0x1b5/0x7f6 [ 6467.972397][ T73] [ 6467.974052][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.974052][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.974052][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.974052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.974052][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6467.974052][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6467.974052][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6467.974052][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6467.974052][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6467.974052][ T73] addrconf_dad_begin+0x310/0x670 [ 6467.974052][ T73] addrconf_dad_work+0x10b/0xab0 [ 6467.974052][ T73] process_one_work+0x84d/0x18a0 [ 6467.974052][ T73] worker_thread+0x587/0xd30 [ 6467.974052][ T73] kthread+0x28a/0x350 [ 6467.974052][ T73] ret_from_fork+0x31/0x70 [ 6467.974052][ T73] ret_from_fork_asm+0x1a/0x30 [ 6467.974052][ T73] [ 6467.975969][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.975969][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.975969][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.975969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.975969][ T73] ip6_route_add+0x1c/0x140 [ 6467.975969][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6467.975969][ T73] inet6_addr_add+0x4f8/0xa40 [ 6467.975969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.975969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.975969][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.975969][ T73] netlink_unicast+0x449/0x710 [ 6467.975969][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.975969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.975969][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.975969][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.975969][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.975969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.975969][ T73] [ 6467.977983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.977983][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.977983][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.977983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.977983][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6467.977983][ T73] ipv6_add_addr+0x411/0x2000 [ 6467.977983][ T73] inet6_addr_add+0x30e/0xa40 [ 6467.977983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.977983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.977983][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.977983][ T73] netlink_unicast+0x449/0x710 [ 6467.977983][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.977983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.977983][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.977983][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.977983][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.977983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.977983][ T73] [ 6467.979987][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.979987][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.979987][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.979987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.979987][ T73] ip6_route_add+0x1c/0x140 [ 6467.979987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6467.979987][ T73] addrconf_add_dev+0xe2/0x170 [ 6467.979987][ T73] inet6_addr_add+0x12f/0xa40 [ 6467.979987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.979987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.979987][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.979987][ T73] netlink_unicast+0x449/0x710 [ 6467.979987][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.979987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.979987][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.979987][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.979987][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.979987][ T73] [ 6467.981961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.981961][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6467.981961][ T73] ipv6_find_idev+0x102/0x170 [ 6467.981961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.981961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.981961][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.981961][ T73] netlink_unicast+0x449/0x710 [ 6467.981961][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.981961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.981961][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.981961][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.981961][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.981961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.981961][ T73] [ 6467.983498][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6467.983498][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6467.983498][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6467.983498][ T73] ipv6_find_idev+0x102/0x170 [ 6467.983498][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.983498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.983498][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.983498][ T73] netlink_unicast+0x449/0x710 [ 6467.983498][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.983498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.983498][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.983498][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.983498][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.983498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.983498][ T73] [ 6467.985329][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6467.985661][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.985661][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6467.985661][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6467.985661][ T73] fib6_nh_init+0xa22/0x1580 [ 6467.985661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.985661][ T73] ip6_route_add+0x1c/0x140 [ 6467.985661][ T73] inet6_rtm_newroute+0x104/0x110 [ 6467.985661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.985661][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.985661][ T73] netlink_unicast+0x449/0x710 [ 6467.985661][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.985661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.985661][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.985661][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.985661][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.985661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.985661][ T73] [ 6467.987728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.987728][ T73] dst_init+0x84/0x4a0 [ 6467.987728][ T73] dst_alloc+0x97/0x150 [ 6467.987728][ T73] ip6_dst_alloc+0x23/0x90 [ 6467.987728][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6467.987728][ T73] ip6_pol_route+0x56f/0x840 [ 6467.987728][ T73] fib6_rule_lookup+0x456/0x630 [ 6467.987728][ T73] ip6_route_input+0x59c/0xa50 [ 6467.987728][ T73] ipv6_rcv+0x397/0x810 [ 6467.987728][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6467.987728][ T73] process_backlog+0x101/0x620 [ 6467.987728][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6467.987728][ T73] net_rx_action+0x495/0xbe0 [ 6467.987728][ T73] __do_softirq+0x1b5/0x7f6 [ 6467.987728][ T73] [ 6467.989558][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.989558][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.989558][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.989558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.989558][ T73] ip6_route_add+0x1c/0x140 [ 6467.989558][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6467.989558][ T73] inet6_addr_add+0x4f8/0xa40 [ 6467.989558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.989558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.989558][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.989558][ T73] netlink_unicast+0x449/0x710 [ 6467.989558][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.989558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.989558][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.989558][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.989558][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.989558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.989558][ T73] [ 6467.991874][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.991874][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.991874][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.991874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.991874][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6467.991874][ T73] ipv6_add_addr+0x411/0x2000 [ 6467.991874][ T73] inet6_addr_add+0x30e/0xa40 [ 6467.991874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.991874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.991874][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.991874][ T73] netlink_unicast+0x449/0x710 [ 6467.991874][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.991874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.991874][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.991874][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.991874][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.991874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.991874][ T73] [ 6467.994116][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.994116][ T73] netdev_get_by_index+0x5e/0x80 [ 6467.994116][ T73] fib6_nh_init+0x3d8/0x1580 [ 6467.994116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6467.994116][ T73] ip6_route_add+0x1c/0x140 [ 6467.994116][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6467.994116][ T73] addrconf_add_dev+0xe2/0x170 [ 6467.994116][ T73] inet6_addr_add+0x12f/0xa40 [ 6467.994116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.994116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.994116][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.994116][ T73] netlink_unicast+0x449/0x710 [ 6467.994116][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.994116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.994116][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.994116][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.994116][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.994116][ T73] [ 6467.996331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.996331][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6467.996331][ T73] ipv6_find_idev+0x102/0x170 [ 6467.996331][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.996331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.996331][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.996331][ T73] netlink_unicast+0x449/0x710 [ 6467.996331][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.996331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.996331][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.996331][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.996331][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.996331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.996331][ T73] [ 6467.998064][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6467.998064][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6467.998064][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6467.998064][ T73] ipv6_find_idev+0x102/0x170 [ 6467.998064][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.998064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.998064][ T73] netlink_rcv_skb+0x130/0x360 [ 6467.998064][ T73] netlink_unicast+0x449/0x710 [ 6467.998064][ T73] netlink_sendmsg+0x723/0xbe0 [ 6467.998064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6467.998064][ T73] ___sys_sendmsg+0xee/0x170 [ 6467.998064][ T73] __sys_sendmsg+0xcd/0x170 [ 6467.998064][ T73] do_syscall_64+0xc6/0x1e0 [ 6467.998064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.998064][ T73] [ 6468.000010][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6468.000280][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6468.000280][ T73] netdev_get_by_index+0x5e/0x80 [ 6468.000280][ T73] fib6_nh_init+0x3d8/0x1580 [ 6468.000280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6468.000280][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6468.000280][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6468.000280][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6468.000280][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6468.000280][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6468.000280][ T73] addrconf_dad_begin+0x310/0x670 [ 6468.000280][ T73] addrconf_dad_work+0x10b/0xab0 [ 6468.000280][ T73] process_one_work+0x84d/0x18a0 [ 6468.000280][ T73] worker_thread+0x587/0xd30 [ 6468.000280][ T73] kthread+0x28a/0x350 [ 6468.000280][ T73] ret_from_fork+0x31/0x70 [ 6468.000280][ T73] ret_from_fork_asm+0x1a/0x30 [ 6468.000280][ T73] [ 6468.002447][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6468.002447][ T73] netdev_get_by_index+0x5e/0x80 [ 6468.002447][ T73] fib6_nh_init+0x3d8/0x1580 [ 6468.002447][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6468.002447][ T73] ip6_route_add+0x1c/0x140 [ 6468.002447][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6468.002447][ T73] inet6_addr_add+0x4f8/0xa40 [ 6468.002447][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.002447][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.002447][ T73] netlink_rcv_skb+0x130/0x360 [ 6468.002447][ T73] netlink_unicast+0x449/0x710 [ 6468.002447][ T73] netlink_sendmsg+0x723/0xbe0 [ 6468.002447][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6468.002447][ T73] ___sys_sendmsg+0xee/0x170 [ 6468.002447][ T73] __sys_sendmsg+0xcd/0x170 [ 6468.002447][ T73] do_syscall_64+0xc6/0x1e0 [ 6468.002447][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.002447][ T73] [ 6468.004694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6468.004694][ T73] netdev_get_by_index+0x5e/0x80 [ 6468.004694][ T73] fib6_nh_init+0x3d8/0x1580 [ 6468.004694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6468.004694][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6468.004694][ T73] ipv6_add_addr+0x411/0x2000 [ 6468.004694][ T73] inet6_addr_add+0x30e/0xa40 [ 6468.004694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.004694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.004694][ T73] netlink_rcv_skb+0x130/0x360 [ 6468.004694][ T73] netlink_unicast+0x449/0x710 [ 6468.004694][ T73] netlink_sendmsg+0x723/0xbe0 [ 6468.004694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6468.004694][ T73] ___sys_sendmsg+0xee/0x170 [ 6468.004694][ T73] __sys_sendmsg+0xcd/0x170 [ 6468.004694][ T73] do_syscall_64+0xc6/0x1e0 [ 6468.004694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.004694][ T73] [ 6468.006941][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6468.006941][ T73] netdev_get_by_index+0x5e/0x80 [ 6468.006941][ T73] fib6_nh_init+0x3d8/0x1580 [ 6468.006941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6468.006941][ T73] ip6_route_add+0x1c/0x140 [ 6468.006941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6468.006941][ T73] addrconf_add_dev+0xe2/0x170 [ 6468.006941][ T73] inet6_addr_add+0x12f/0xa40 [ 6468.006941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.006941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.006941][ T73] netlink_rcv_skb+0x130/0x360 [ 6468.006941][ T73] netlink_unicast+0x449/0x710 [ 6468.006941][ T73] netlink_sendmsg+0x723/0xbe0 [ 6468.006941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6468.006941][ T73] ___sys_sendmsg+0xee/0x170 [ 6468.006941][ T73] __sys_sendmsg+0xcd/0x170 [ 6468.006941][ T73] do_syscall_64+0xc6/0x1e0 [ 6468.006941][ T73] [ 6468.009095][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6468.009095][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6468.009095][ T73] ipv6_find_idev+0x102/0x170 [ 6468.009095][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6468.009095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.009095][ T73] netlink_rcv_skb+0x130/0x360 [ 6468.009095][ T73] netlink_unicast+0x449/0x710 [ 6468.009095][ T73] netlink_sendmsg+0x723/0xbe0 [ 6468.009095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6468.009095][ T73] ___sys_sendmsg+0xee/0x170 [ 6468.009095][ T73] __sys_sendmsg+0xcd/0x170 [ 6468.009095][ T73] do_syscall_64+0xc6/0x1e0 [ 6468.009095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.009095][ T73] [ 6468.010885][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6468.010885][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6468.010885][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6468.010885][ T73] ipv6_find_idev+0x102/0x170 [ 6468.010885][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6468.010885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.010885][ T73] netlink_rcv_skb+0x130/0x360 [ 6468.010885][ T73] netlink_unicast+0x449/0x710 [ 6468.010885][ T73] netlink_sendmsg+0x723/0xbe0 [ 6468.010885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6468.010885][ T73] ___sys_sendmsg+0xee/0x170 [ 6468.010885][ T73] __sys_sendmsg+0xcd/0x170 [ 6468.010885][ T73] do_syscall_64+0xc6/0x1e0 [ 6468.010885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.010885][ T73] [ 6478.142914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6478.143377][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.143377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6478.143377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6478.143377][ T73] fib6_nh_init+0xa22/0x1580 [ 6478.143377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.143377][ T73] ip6_route_add+0x1c/0x140 [ 6478.143377][ T73] inet6_rtm_newroute+0x104/0x110 [ 6478.143377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.143377][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.143377][ T73] netlink_unicast+0x449/0x710 [ 6478.143377][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.143377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.143377][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.143377][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.143377][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.143377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.143377][ T73] [ 6478.145269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.145269][ T73] dst_init+0x84/0x4a0 [ 6478.145269][ T73] dst_alloc+0x97/0x150 [ 6478.145269][ T73] ip6_dst_alloc+0x23/0x90 [ 6478.145269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6478.145269][ T73] ip6_pol_route+0x56f/0x840 [ 6478.145269][ T73] fib6_rule_lookup+0x456/0x630 [ 6478.145269][ T73] ip6_route_input+0x59c/0xa50 [ 6478.145269][ T73] ipv6_rcv+0x397/0x810 [ 6478.145269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6478.145269][ T73] process_backlog+0x101/0x620 [ 6478.145269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6478.145269][ T73] net_rx_action+0x495/0xbe0 [ 6478.145269][ T73] __do_softirq+0x1b5/0x7f6 [ 6478.145269][ T73] [ 6478.146918][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.146918][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.146918][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.146918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.146918][ T73] ip6_route_add+0x1c/0x140 [ 6478.146918][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6478.146918][ T73] inet6_addr_add+0x4f8/0xa40 [ 6478.146918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.146918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.146918][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.146918][ T73] netlink_unicast+0x449/0x710 [ 6478.146918][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.146918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.146918][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.146918][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.146918][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.146918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.146918][ T73] [ 6478.148899][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.148899][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.148899][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.148899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.148899][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6478.148899][ T73] ipv6_add_addr+0x411/0x2000 [ 6478.148899][ T73] inet6_addr_add+0x30e/0xa40 [ 6478.148899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.148899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.148899][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.148899][ T73] netlink_unicast+0x449/0x710 [ 6478.148899][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.148899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.148899][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.148899][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.148899][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.148899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.148899][ T73] [ 6478.150945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.150945][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.150945][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.150945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.150945][ T73] ip6_route_add+0x1c/0x140 [ 6478.150945][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6478.150945][ T73] addrconf_add_dev+0xe2/0x170 [ 6478.150945][ T73] inet6_addr_add+0x12f/0xa40 [ 6478.150945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.150945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.150945][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.150945][ T73] netlink_unicast+0x449/0x710 [ 6478.150945][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.150945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.150945][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.150945][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.150945][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.150945][ T73] [ 6478.152921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.152921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6478.152921][ T73] ipv6_find_idev+0x102/0x170 [ 6478.152921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.152921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.152921][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.152921][ T73] netlink_unicast+0x449/0x710 [ 6478.152921][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.152921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.152921][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.152921][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.152921][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.152921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.152921][ T73] [ 6478.154489][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6478.154489][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6478.154489][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6478.154489][ T73] ipv6_find_idev+0x102/0x170 [ 6478.154489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.154489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.154489][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.154489][ T73] netlink_unicast+0x449/0x710 [ 6478.154489][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.154489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.154489][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.154489][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.154489][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.154489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.154489][ T73] [ 6478.156209][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6478.156480][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.156480][ T73] dst_init+0x84/0x4a0 [ 6478.156480][ T73] dst_alloc+0x97/0x150 [ 6478.156480][ T73] ip6_dst_alloc+0x23/0x90 [ 6478.156480][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6478.156480][ T73] ip6_pol_route+0x56f/0x840 [ 6478.156480][ T73] fib6_rule_lookup+0x456/0x630 [ 6478.156480][ T73] ip6_route_input+0x59c/0xa50 [ 6478.156480][ T73] ipv6_rcv+0x397/0x810 [ 6478.156480][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6478.156480][ T73] process_backlog+0x101/0x620 [ 6478.156480][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6478.156480][ T73] net_rx_action+0x495/0xbe0 [ 6478.156480][ T73] __do_softirq+0x1b5/0x7f6 [ 6478.156480][ T73] [ 6478.158123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.158123][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.158123][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.158123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.158123][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6478.158123][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6478.158123][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6478.158123][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6478.158123][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6478.158123][ T73] addrconf_dad_begin+0x310/0x670 [ 6478.158123][ T73] addrconf_dad_work+0x10b/0xab0 [ 6478.158123][ T73] process_one_work+0x84d/0x18a0 [ 6478.158123][ T73] worker_thread+0x587/0xd30 [ 6478.158123][ T73] kthread+0x28a/0x350 [ 6478.158123][ T73] ret_from_fork+0x31/0x70 [ 6478.158123][ T73] ret_from_fork_asm+0x1a/0x30 [ 6478.158123][ T73] [ 6478.160033][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.160033][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.160033][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.160033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.160033][ T73] ip6_route_add+0x1c/0x140 [ 6478.160033][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6478.160033][ T73] inet6_addr_add+0x4f8/0xa40 [ 6478.160033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.160033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.160033][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.160033][ T73] netlink_unicast+0x449/0x710 [ 6478.160033][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.160033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.160033][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.160033][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.160033][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.160033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.160033][ T73] [ 6478.162053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.162053][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.162053][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.162053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.162053][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6478.162053][ T73] ipv6_add_addr+0x411/0x2000 [ 6478.162053][ T73] inet6_addr_add+0x30e/0xa40 [ 6478.162053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.162053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.162053][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.162053][ T73] netlink_unicast+0x449/0x710 [ 6478.162053][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.162053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.162053][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.162053][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.162053][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.162053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.162053][ T73] [ 6478.164053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.164053][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.164053][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.164053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.164053][ T73] ip6_route_add+0x1c/0x140 [ 6478.164053][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6478.164053][ T73] addrconf_add_dev+0xe2/0x170 [ 6478.164053][ T73] inet6_addr_add+0x12f/0xa40 [ 6478.164053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.164053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.164053][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.164053][ T73] netlink_unicast+0x449/0x710 [ 6478.164053][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.164053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.164053][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.164053][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.164053][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.164053][ T73] [ 6478.166014][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.166014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6478.166014][ T73] ipv6_find_idev+0x102/0x170 [ 6478.166014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.166014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.166014][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.166014][ T73] netlink_unicast+0x449/0x710 [ 6478.166014][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.166014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.166014][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.166014][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.166014][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.166014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.166014][ T73] [ 6478.167559][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6478.167559][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6478.167559][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6478.167559][ T73] ipv6_find_idev+0x102/0x170 [ 6478.167559][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.167559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.167559][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.167559][ T73] netlink_unicast+0x449/0x710 [ 6478.167559][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.167559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.167559][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.167559][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.167559][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.167559][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.167559][ T73] [ 6478.169420][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6478.169763][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.169763][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6478.169763][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6478.169763][ T73] fib6_nh_init+0xa22/0x1580 [ 6478.169763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.169763][ T73] ip6_route_add+0x1c/0x140 [ 6478.169763][ T73] inet6_rtm_newroute+0x104/0x110 [ 6478.169763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.169763][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.169763][ T73] netlink_unicast+0x449/0x710 [ 6478.169763][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.169763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.169763][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.169763][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.169763][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.169763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.169763][ T73] [ 6478.171849][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.171849][ T73] dst_init+0x84/0x4a0 [ 6478.171849][ T73] dst_alloc+0x97/0x150 [ 6478.171849][ T73] ip6_dst_alloc+0x23/0x90 [ 6478.171849][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6478.171849][ T73] ip6_pol_route+0x56f/0x840 [ 6478.171849][ T73] fib6_rule_lookup+0x456/0x630 [ 6478.171849][ T73] ip6_route_input+0x59c/0xa50 [ 6478.171849][ T73] ipv6_rcv+0x397/0x810 [ 6478.171849][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6478.171849][ T73] process_backlog+0x101/0x620 [ 6478.171849][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6478.171849][ T73] net_rx_action+0x495/0xbe0 [ 6478.171849][ T73] __do_softirq+0x1b5/0x7f6 [ 6478.171849][ T73] [ 6478.173671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.173671][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.173671][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.173671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.173671][ T73] ip6_route_add+0x1c/0x140 [ 6478.173671][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6478.173671][ T73] inet6_addr_add+0x4f8/0xa40 [ 6478.173671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.173671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.173671][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.173671][ T73] netlink_unicast+0x449/0x710 [ 6478.173671][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.173671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.173671][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.173671][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.173671][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.173671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.173671][ T73] [ 6478.175923][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.175923][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.175923][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.175923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.175923][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6478.175923][ T73] ipv6_add_addr+0x411/0x2000 [ 6478.175923][ T73] inet6_addr_add+0x30e/0xa40 [ 6478.175923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.175923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.175923][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.175923][ T73] netlink_unicast+0x449/0x710 [ 6478.175923][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.175923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.175923][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.175923][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.175923][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.175923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.175923][ T73] [ 6478.178172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.178172][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.178172][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.178172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.178172][ T73] ip6_route_add+0x1c/0x140 [ 6478.178172][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6478.178172][ T73] addrconf_add_dev+0xe2/0x170 [ 6478.178172][ T73] inet6_addr_add+0x12f/0xa40 [ 6478.178172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.178172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.178172][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.178172][ T73] netlink_unicast+0x449/0x710 [ 6478.178172][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.178172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.178172][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.178172][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.178172][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.178172][ T73] [ 6478.180454][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.180454][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6478.180454][ T73] ipv6_find_idev+0x102/0x170 [ 6478.180454][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.180454][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.180454][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.180454][ T73] netlink_unicast+0x449/0x710 [ 6478.180454][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.180454][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.180454][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.180454][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.180454][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.180454][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.180454][ T73] [ 6478.182194][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6478.182194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6478.182194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6478.182194][ T73] ipv6_find_idev+0x102/0x170 [ 6478.182194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.182194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.182194][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.182194][ T73] netlink_unicast+0x449/0x710 [ 6478.182194][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.182194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.182194][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.182194][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.182194][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.182194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.182194][ T73] [ 6478.184071][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6478.184345][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6478.184345][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.184345][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.184345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.184345][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6478.184345][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6478.184345][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6478.184345][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6478.184345][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6478.184345][ T73] addrconf_dad_begin+0x310/0x670 [ 6478.184345][ T73] addrconf_dad_work+0x10b/0xab0 [ 6478.184345][ T73] process_one_work+0x84d/0x18a0 [ 6478.184345][ T73] worker_thread+0x587/0xd30 [ 6478.184345][ T73] kthread+0x28a/0x350 [ 6478.184345][ T73] ret_from_fork+0x31/0x70 [ 6478.184345][ T73] ret_from_fork_asm+0x1a/0x30 [ 6478.184345][ T73] [ 6478.186504][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6478.186504][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.186504][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.186504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.186504][ T73] ip6_route_add+0x1c/0x140 [ 6478.186504][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6478.186504][ T73] inet6_addr_add+0x4f8/0xa40 [ 6478.186504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.186504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.186504][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.186504][ T73] netlink_unicast+0x449/0x710 [ 6478.186504][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.186504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.186504][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.186504][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.186504][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.186504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.186504][ T73] [ 6478.188813][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6478.188813][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.188813][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.188813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.188813][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6478.188813][ T73] ipv6_add_addr+0x411/0x2000 [ 6478.188813][ T73] inet6_addr_add+0x30e/0xa40 [ 6478.188813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.188813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.188813][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.188813][ T73] netlink_unicast+0x449/0x710 [ 6478.188813][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.188813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.188813][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.188813][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.188813][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.188813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.188813][ T73] [ 6478.191062][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6478.191062][ T73] netdev_get_by_index+0x5e/0x80 [ 6478.191062][ T73] fib6_nh_init+0x3d8/0x1580 [ 6478.191062][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6478.191062][ T73] ip6_route_add+0x1c/0x140 [ 6478.191062][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6478.191062][ T73] addrconf_add_dev+0xe2/0x170 [ 6478.191062][ T73] inet6_addr_add+0x12f/0xa40 [ 6478.191062][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.191062][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.191062][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.191062][ T73] netlink_unicast+0x449/0x710 [ 6478.191062][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.191062][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.191062][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.191062][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.191062][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.191062][ T73] [ 6478.193210][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6478.193210][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6478.193210][ T73] ipv6_find_idev+0x102/0x170 [ 6478.193210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.193210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.193210][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.193210][ T73] netlink_unicast+0x449/0x710 [ 6478.193210][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.193210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.193210][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.193210][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.193210][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.193210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.193210][ T73] [ 6478.194934][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6478.194934][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6478.194934][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6478.194934][ T73] ipv6_find_idev+0x102/0x170 [ 6478.194934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.194934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.194934][ T73] netlink_rcv_skb+0x130/0x360 [ 6478.194934][ T73] netlink_unicast+0x449/0x710 [ 6478.194934][ T73] netlink_sendmsg+0x723/0xbe0 [ 6478.194934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6478.194934][ T73] ___sys_sendmsg+0xee/0x170 [ 6478.194934][ T73] __sys_sendmsg+0xcd/0x170 [ 6478.194934][ T73] do_syscall_64+0xc6/0x1e0 [ 6478.194934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.194934][ T73] [ 6488.310932][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6488.311414][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.311414][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6488.311414][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6488.311414][ T73] fib6_nh_init+0xa22/0x1580 [ 6488.311414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.311414][ T73] ip6_route_add+0x1c/0x140 [ 6488.311414][ T73] inet6_rtm_newroute+0x104/0x110 [ 6488.311414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.311414][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.311414][ T73] netlink_unicast+0x449/0x710 [ 6488.311414][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.311414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.311414][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.311414][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.311414][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.311414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.311414][ T73] [ 6488.313330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.313330][ T73] dst_init+0x84/0x4a0 [ 6488.313330][ T73] dst_alloc+0x97/0x150 [ 6488.313330][ T73] ip6_dst_alloc+0x23/0x90 [ 6488.313330][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6488.313330][ T73] ip6_pol_route+0x56f/0x840 [ 6488.313330][ T73] fib6_rule_lookup+0x456/0x630 [ 6488.313330][ T73] ip6_route_input+0x59c/0xa50 [ 6488.313330][ T73] ipv6_rcv+0x397/0x810 [ 6488.313330][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6488.313330][ T73] process_backlog+0x101/0x620 [ 6488.313330][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6488.313330][ T73] net_rx_action+0x495/0xbe0 [ 6488.313330][ T73] __do_softirq+0x1b5/0x7f6 [ 6488.313330][ T73] [ 6488.314981][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.314981][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.314981][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.314981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.314981][ T73] ip6_route_add+0x1c/0x140 [ 6488.314981][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6488.314981][ T73] inet6_addr_add+0x4f8/0xa40 [ 6488.314981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.314981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.314981][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.314981][ T73] netlink_unicast+0x449/0x710 [ 6488.314981][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.314981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.314981][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.314981][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.314981][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.314981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.314981][ T73] [ 6488.316995][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.316995][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.316995][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.316995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.316995][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6488.316995][ T73] ipv6_add_addr+0x411/0x2000 [ 6488.316995][ T73] inet6_addr_add+0x30e/0xa40 [ 6488.316995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.316995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.316995][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.316995][ T73] netlink_unicast+0x449/0x710 [ 6488.316995][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.316995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.316995][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.316995][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.316995][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.316995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.316995][ T73] [ 6488.319010][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.319010][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.319010][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.319010][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.319010][ T73] ip6_route_add+0x1c/0x140 [ 6488.319010][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6488.319010][ T73] addrconf_add_dev+0xe2/0x170 [ 6488.319010][ T73] inet6_addr_add+0x12f/0xa40 [ 6488.319010][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.319010][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.319010][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.319010][ T73] netlink_unicast+0x449/0x710 [ 6488.319010][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.319010][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.319010][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.319010][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.319010][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.319010][ T73] [ 6488.321012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.321012][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6488.321012][ T73] ipv6_find_idev+0x102/0x170 [ 6488.321012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.321012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.321012][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.321012][ T73] netlink_unicast+0x449/0x710 [ 6488.321012][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.321012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.321012][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.321012][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.321012][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.321012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.321012][ T73] [ 6488.322557][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6488.322557][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6488.322557][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6488.322557][ T73] ipv6_find_idev+0x102/0x170 [ 6488.322557][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.322557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.322557][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.322557][ T73] netlink_unicast+0x449/0x710 [ 6488.322557][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.322557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.322557][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.322557][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.322557][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.322557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.322557][ T73] [ 6488.324274][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6488.324549][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.324549][ T73] dst_init+0x84/0x4a0 [ 6488.324549][ T73] dst_alloc+0x97/0x150 [ 6488.324549][ T73] ip6_dst_alloc+0x23/0x90 [ 6488.324549][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6488.324549][ T73] ip6_pol_route+0x56f/0x840 [ 6488.324549][ T73] fib6_rule_lookup+0x456/0x630 [ 6488.324549][ T73] ip6_route_input+0x59c/0xa50 [ 6488.324549][ T73] ipv6_rcv+0x397/0x810 [ 6488.324549][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6488.324549][ T73] process_backlog+0x101/0x620 [ 6488.324549][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6488.324549][ T73] net_rx_action+0x495/0xbe0 [ 6488.324549][ T73] __do_softirq+0x1b5/0x7f6 [ 6488.324549][ T73] [ 6488.326206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.326206][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.326206][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.326206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.326206][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6488.326206][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6488.326206][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6488.326206][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6488.326206][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6488.326206][ T73] addrconf_dad_begin+0x310/0x670 [ 6488.326206][ T73] addrconf_dad_work+0x10b/0xab0 [ 6488.326206][ T73] process_one_work+0x84d/0x18a0 [ 6488.326206][ T73] worker_thread+0x587/0xd30 [ 6488.326206][ T73] kthread+0x28a/0x350 [ 6488.326206][ T73] ret_from_fork+0x31/0x70 [ 6488.326206][ T73] ret_from_fork_asm+0x1a/0x30 [ 6488.326206][ T73] [ 6488.328140][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.328140][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.328140][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.328140][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.328140][ T73] ip6_route_add+0x1c/0x140 [ 6488.328140][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6488.328140][ T73] inet6_addr_add+0x4f8/0xa40 [ 6488.328140][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.328140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.328140][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.328140][ T73] netlink_unicast+0x449/0x710 [ 6488.328140][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.328140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.328140][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.328140][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.328140][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.328140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.328140][ T73] [ 6488.330147][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.330147][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.330147][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.330147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.330147][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6488.330147][ T73] ipv6_add_addr+0x411/0x2000 [ 6488.330147][ T73] inet6_addr_add+0x30e/0xa40 [ 6488.330147][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.330147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.330147][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.330147][ T73] netlink_unicast+0x449/0x710 [ 6488.330147][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.330147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.330147][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.330147][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.330147][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.330147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.330147][ T73] [ 6488.332194][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.332194][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.332194][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.332194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.332194][ T73] ip6_route_add+0x1c/0x140 [ 6488.332194][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6488.332194][ T73] addrconf_add_dev+0xe2/0x170 [ 6488.332194][ T73] inet6_addr_add+0x12f/0xa40 [ 6488.332194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.332194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.332194][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.332194][ T73] netlink_unicast+0x449/0x710 [ 6488.332194][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.332194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.332194][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.332194][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.332194][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.332194][ T73] [ 6488.334167][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.334167][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6488.334167][ T73] ipv6_find_idev+0x102/0x170 [ 6488.334167][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.334167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.334167][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.334167][ T73] netlink_unicast+0x449/0x710 [ 6488.334167][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.334167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.334167][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.334167][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.334167][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.334167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.334167][ T73] [ 6488.335706][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6488.335706][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6488.335706][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6488.335706][ T73] ipv6_find_idev+0x102/0x170 [ 6488.335706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.335706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.335706][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.335706][ T73] netlink_unicast+0x449/0x710 [ 6488.335706][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.335706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.335706][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.335706][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.335706][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.335706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.335706][ T73] [ 6488.337531][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6488.337883][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.337883][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6488.337883][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6488.337883][ T73] fib6_nh_init+0xa22/0x1580 [ 6488.337883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.337883][ T73] ip6_route_add+0x1c/0x140 [ 6488.337883][ T73] inet6_rtm_newroute+0x104/0x110 [ 6488.337883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.337883][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.337883][ T73] netlink_unicast+0x449/0x710 [ 6488.337883][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.337883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.337883][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.337883][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.337883][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.337883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.337883][ T73] [ 6488.339948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.339948][ T73] dst_init+0x84/0x4a0 [ 6488.339948][ T73] dst_alloc+0x97/0x150 [ 6488.339948][ T73] ip6_dst_alloc+0x23/0x90 [ 6488.339948][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6488.339948][ T73] ip6_pol_route+0x56f/0x840 [ 6488.339948][ T73] fib6_rule_lookup+0x456/0x630 [ 6488.339948][ T73] ip6_route_input+0x59c/0xa50 [ 6488.339948][ T73] ipv6_rcv+0x397/0x810 [ 6488.339948][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6488.339948][ T73] process_backlog+0x101/0x620 [ 6488.339948][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6488.339948][ T73] net_rx_action+0x495/0xbe0 [ 6488.339948][ T73] __do_softirq+0x1b5/0x7f6 [ 6488.339948][ T73] [ 6488.341837][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.341837][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.341837][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.341837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.341837][ T73] ip6_route_add+0x1c/0x140 [ 6488.341837][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6488.341837][ T73] inet6_addr_add+0x4f8/0xa40 [ 6488.341837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.341837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.341837][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.341837][ T73] netlink_unicast+0x449/0x710 [ 6488.341837][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.341837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.341837][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.341837][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.341837][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.341837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.341837][ T73] [ 6488.344085][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.344085][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.344085][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.344085][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.344085][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6488.344085][ T73] ipv6_add_addr+0x411/0x2000 [ 6488.344085][ T73] inet6_addr_add+0x30e/0xa40 [ 6488.344085][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.344085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.344085][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.344085][ T73] netlink_unicast+0x449/0x710 [ 6488.344085][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.344085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.344085][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.344085][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.344085][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.344085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.344085][ T73] [ 6488.346341][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.346341][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.346341][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.346341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.346341][ T73] ip6_route_add+0x1c/0x140 [ 6488.346341][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6488.346341][ T73] addrconf_add_dev+0xe2/0x170 [ 6488.346341][ T73] inet6_addr_add+0x12f/0xa40 [ 6488.346341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.346341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.346341][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.346341][ T73] netlink_unicast+0x449/0x710 [ 6488.346341][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.346341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.346341][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.346341][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.346341][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.346341][ T73] [ 6488.348551][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.348551][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6488.348551][ T73] ipv6_find_idev+0x102/0x170 [ 6488.348551][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.348551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.348551][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.348551][ T73] netlink_unicast+0x449/0x710 [ 6488.348551][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.348551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.348551][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.348551][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.348551][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.348551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.348551][ T73] [ 6488.350275][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6488.350275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6488.350275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6488.350275][ T73] ipv6_find_idev+0x102/0x170 [ 6488.350275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.350275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.350275][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.350275][ T73] netlink_unicast+0x449/0x710 [ 6488.350275][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.350275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.350275][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.350275][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.350275][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.350275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.350275][ T73] [ 6488.352219][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6488.352490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6488.352490][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.352490][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.352490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.352490][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6488.352490][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6488.352490][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6488.352490][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6488.352490][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6488.352490][ T73] addrconf_dad_begin+0x310/0x670 [ 6488.352490][ T73] addrconf_dad_work+0x10b/0xab0 [ 6488.352490][ T73] process_one_work+0x84d/0x18a0 [ 6488.352490][ T73] worker_thread+0x587/0xd30 [ 6488.352490][ T73] kthread+0x28a/0x350 [ 6488.352490][ T73] ret_from_fork+0x31/0x70 [ 6488.352490][ T73] ret_from_fork_asm+0x1a/0x30 [ 6488.352490][ T73] [ 6488.354655][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6488.354655][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.354655][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.354655][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.354655][ T73] ip6_route_add+0x1c/0x140 [ 6488.354655][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6488.354655][ T73] inet6_addr_add+0x4f8/0xa40 [ 6488.354655][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.354655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.354655][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.354655][ T73] netlink_unicast+0x449/0x710 [ 6488.354655][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.354655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.354655][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.354655][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.354655][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.354655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.354655][ T73] [ 6488.356905][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6488.356905][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.356905][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.356905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.356905][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6488.356905][ T73] ipv6_add_addr+0x411/0x2000 [ 6488.356905][ T73] inet6_addr_add+0x30e/0xa40 [ 6488.356905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.356905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.356905][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.356905][ T73] netlink_unicast+0x449/0x710 [ 6488.356905][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.356905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.356905][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.356905][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.356905][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.356905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.356905][ T73] [ 6488.359163][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6488.359163][ T73] netdev_get_by_index+0x5e/0x80 [ 6488.359163][ T73] fib6_nh_init+0x3d8/0x1580 [ 6488.359163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6488.359163][ T73] ip6_route_add+0x1c/0x140 [ 6488.359163][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6488.359163][ T73] addrconf_add_dev+0xe2/0x170 [ 6488.359163][ T73] inet6_addr_add+0x12f/0xa40 [ 6488.359163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.359163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.359163][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.359163][ T73] netlink_unicast+0x449/0x710 [ 6488.359163][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.359163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.359163][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.359163][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.359163][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.359163][ T73] [ 6488.361382][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6488.361382][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6488.361382][ T73] ipv6_find_idev+0x102/0x170 [ 6488.361382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.361382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.361382][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.361382][ T73] netlink_unicast+0x449/0x710 [ 6488.361382][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.361382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.361382][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.361382][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.361382][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.361382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.361382][ T73] [ 6488.363110][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6488.363110][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6488.363110][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6488.363110][ T73] ipv6_find_idev+0x102/0x170 [ 6488.363110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.363110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.363110][ T73] netlink_rcv_skb+0x130/0x360 [ 6488.363110][ T73] netlink_unicast+0x449/0x710 [ 6488.363110][ T73] netlink_sendmsg+0x723/0xbe0 [ 6488.363110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6488.363110][ T73] ___sys_sendmsg+0xee/0x170 [ 6488.363110][ T73] __sys_sendmsg+0xcd/0x170 [ 6488.363110][ T73] do_syscall_64+0xc6/0x1e0 [ 6488.363110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.363110][ T73] [ 6498.614896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6498.615382][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.615382][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6498.615382][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6498.615382][ T73] fib6_nh_init+0xa22/0x1580 [ 6498.615382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.615382][ T73] ip6_route_add+0x1c/0x140 [ 6498.615382][ T73] inet6_rtm_newroute+0x104/0x110 [ 6498.615382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.615382][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.615382][ T73] netlink_unicast+0x449/0x710 [ 6498.615382][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.615382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.615382][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.615382][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.615382][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.615382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.615382][ T73] [ 6498.617261][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.617261][ T73] dst_init+0x84/0x4a0 [ 6498.617261][ T73] dst_alloc+0x97/0x150 [ 6498.617261][ T73] ip6_dst_alloc+0x23/0x90 [ 6498.617261][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6498.617261][ T73] ip6_pol_route+0x56f/0x840 [ 6498.617261][ T73] fib6_rule_lookup+0x456/0x630 [ 6498.617261][ T73] ip6_route_input+0x59c/0xa50 [ 6498.617261][ T73] ipv6_rcv+0x397/0x810 [ 6498.617261][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6498.617261][ T73] process_backlog+0x101/0x620 [ 6498.617261][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6498.617261][ T73] net_rx_action+0x495/0xbe0 [ 6498.617261][ T73] __do_softirq+0x1b5/0x7f6 [ 6498.617261][ T73] [ 6498.618883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.618883][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.618883][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.618883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.618883][ T73] ip6_route_add+0x1c/0x140 [ 6498.618883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6498.618883][ T73] inet6_addr_add+0x4f8/0xa40 [ 6498.618883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.618883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.618883][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.618883][ T73] netlink_unicast+0x449/0x710 [ 6498.618883][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.618883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.618883][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.618883][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.618883][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.618883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.618883][ T73] [ 6498.620876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.620876][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.620876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.620876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.620876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6498.620876][ T73] ipv6_add_addr+0x411/0x2000 [ 6498.620876][ T73] inet6_addr_add+0x30e/0xa40 [ 6498.620876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.620876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.620876][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.620876][ T73] netlink_unicast+0x449/0x710 [ 6498.620876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.620876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.620876][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.620876][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.620876][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.620876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.620876][ T73] [ 6498.622858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.622858][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.622858][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.622858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.622858][ T73] ip6_route_add+0x1c/0x140 [ 6498.622858][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6498.622858][ T73] addrconf_add_dev+0xe2/0x170 [ 6498.622858][ T73] inet6_addr_add+0x12f/0xa40 [ 6498.622858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.622858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.622858][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.622858][ T73] netlink_unicast+0x449/0x710 [ 6498.622858][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.622858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.622858][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.622858][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.622858][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.622858][ T73] [ 6498.624805][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.624805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6498.624805][ T73] ipv6_find_idev+0x102/0x170 [ 6498.624805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.624805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.624805][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.624805][ T73] netlink_unicast+0x449/0x710 [ 6498.624805][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.624805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.624805][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.624805][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.624805][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.624805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.624805][ T73] [ 6498.626332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6498.626332][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6498.626332][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6498.626332][ T73] ipv6_find_idev+0x102/0x170 [ 6498.626332][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.626332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.626332][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.626332][ T73] netlink_unicast+0x449/0x710 [ 6498.626332][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.626332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.626332][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.626332][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.626332][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.626332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.626332][ T73] [ 6498.628004][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6498.628273][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.628273][ T73] dst_init+0x84/0x4a0 [ 6498.628273][ T73] dst_alloc+0x97/0x150 [ 6498.628273][ T73] ip6_dst_alloc+0x23/0x90 [ 6498.628273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6498.628273][ T73] ip6_pol_route+0x56f/0x840 [ 6498.628273][ T73] fib6_rule_lookup+0x456/0x630 [ 6498.628273][ T73] ip6_route_input+0x59c/0xa50 [ 6498.628273][ T73] ipv6_rcv+0x397/0x810 [ 6498.628273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6498.628273][ T73] process_backlog+0x101/0x620 [ 6498.628273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6498.628273][ T73] net_rx_action+0x495/0xbe0 [ 6498.628273][ T73] __do_softirq+0x1b5/0x7f6 [ 6498.628273][ T73] [ 6498.629901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.629901][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.629901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.629901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.629901][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6498.629901][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6498.629901][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6498.629901][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6498.629901][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6498.629901][ T73] addrconf_dad_begin+0x310/0x670 [ 6498.629901][ T73] addrconf_dad_work+0x10b/0xab0 [ 6498.629901][ T73] process_one_work+0x84d/0x18a0 [ 6498.629901][ T73] worker_thread+0x587/0xd30 [ 6498.629901][ T73] kthread+0x28a/0x350 [ 6498.629901][ T73] ret_from_fork+0x31/0x70 [ 6498.629901][ T73] ret_from_fork_asm+0x1a/0x30 [ 6498.629901][ T73] [ 6498.631802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.631802][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.631802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.631802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.631802][ T73] ip6_route_add+0x1c/0x140 [ 6498.631802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6498.631802][ T73] inet6_addr_add+0x4f8/0xa40 [ 6498.631802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.631802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.631802][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.631802][ T73] netlink_unicast+0x449/0x710 [ 6498.631802][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.631802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.631802][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.631802][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.631802][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.631802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.631802][ T73] [ 6498.633794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.633794][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.633794][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.633794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.633794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6498.633794][ T73] ipv6_add_addr+0x411/0x2000 [ 6498.633794][ T73] inet6_addr_add+0x30e/0xa40 [ 6498.633794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.633794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.633794][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.633794][ T73] netlink_unicast+0x449/0x710 [ 6498.633794][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.633794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.633794][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.633794][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.633794][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.633794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.633794][ T73] [ 6498.635776][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.635776][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.635776][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.635776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.635776][ T73] ip6_route_add+0x1c/0x140 [ 6498.635776][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6498.635776][ T73] addrconf_add_dev+0xe2/0x170 [ 6498.635776][ T73] inet6_addr_add+0x12f/0xa40 [ 6498.635776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.635776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.635776][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.635776][ T73] netlink_unicast+0x449/0x710 [ 6498.635776][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.635776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.635776][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.635776][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.635776][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.635776][ T73] [ 6498.637741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.637741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6498.637741][ T73] ipv6_find_idev+0x102/0x170 [ 6498.637741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.637741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.637741][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.637741][ T73] netlink_unicast+0x449/0x710 [ 6498.637741][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.637741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.637741][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.637741][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.637741][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.637741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.637741][ T73] [ 6498.639271][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6498.639271][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6498.639271][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6498.639271][ T73] ipv6_find_idev+0x102/0x170 [ 6498.639271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.639271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.639271][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.639271][ T73] netlink_unicast+0x449/0x710 [ 6498.639271][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.639271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.639271][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.639271][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.639271][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.639271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.639271][ T73] [ 6498.641081][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6498.641344][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.641344][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6498.641344][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6498.641344][ T73] fib6_nh_init+0xa22/0x1580 [ 6498.641344][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.641344][ T73] ip6_route_add+0x1c/0x140 [ 6498.641344][ T73] inet6_rtm_newroute+0x104/0x110 [ 6498.641344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.641344][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.641344][ T73] netlink_unicast+0x449/0x710 [ 6498.641344][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.641344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.641344][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.641344][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.641344][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.641344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.641344][ T73] [ 6498.643467][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.643467][ T73] dst_init+0x84/0x4a0 [ 6498.643467][ T73] dst_alloc+0x97/0x150 [ 6498.643467][ T73] ip6_dst_alloc+0x23/0x90 [ 6498.643467][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6498.643467][ T73] ip6_pol_route+0x56f/0x840 [ 6498.643467][ T73] fib6_rule_lookup+0x456/0x630 [ 6498.643467][ T73] ip6_route_input+0x59c/0xa50 [ 6498.643467][ T73] ipv6_rcv+0x397/0x810 [ 6498.643467][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6498.643467][ T73] process_backlog+0x101/0x620 [ 6498.643467][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6498.643467][ T73] net_rx_action+0x495/0xbe0 [ 6498.643467][ T73] __do_softirq+0x1b5/0x7f6 [ 6498.643467][ T73] [ 6498.645284][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.645284][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.645284][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.645284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.645284][ T73] ip6_route_add+0x1c/0x140 [ 6498.645284][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6498.645284][ T73] inet6_addr_add+0x4f8/0xa40 [ 6498.645284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.645284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.645284][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.645284][ T73] netlink_unicast+0x449/0x710 [ 6498.645284][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.645284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.645284][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.645284][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.645284][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.645284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.645284][ T73] [ 6498.647511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.647511][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.647511][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.647511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.647511][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6498.647511][ T73] ipv6_add_addr+0x411/0x2000 [ 6498.647511][ T73] inet6_addr_add+0x30e/0xa40 [ 6498.647511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.647511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.647511][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.647511][ T73] netlink_unicast+0x449/0x710 [ 6498.647511][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.647511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.647511][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.647511][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.647511][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.647511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.647511][ T73] [ 6498.650317][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.650317][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.650317][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.650317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.650317][ T73] ip6_route_add+0x1c/0x140 [ 6498.650317][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6498.650317][ T73] addrconf_add_dev+0xe2/0x170 [ 6498.650317][ T73] inet6_addr_add+0x12f/0xa40 [ 6498.650317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.650317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.650317][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.650317][ T73] netlink_unicast+0x449/0x710 [ 6498.650317][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.650317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.650317][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.650317][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.650317][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.650317][ T73] [ 6498.652460][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.652460][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6498.652460][ T73] ipv6_find_idev+0x102/0x170 [ 6498.652460][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.652460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.652460][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.652460][ T73] netlink_unicast+0x449/0x710 [ 6498.652460][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.652460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.652460][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.652460][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.652460][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.652460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.652460][ T73] [ 6498.654168][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6498.654168][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6498.654168][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6498.654168][ T73] ipv6_find_idev+0x102/0x170 [ 6498.654168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.654168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.654168][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.654168][ T73] netlink_unicast+0x449/0x710 [ 6498.654168][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.654168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.654168][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.654168][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.654168][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.654168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.654168][ T73] [ 6498.656094][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6498.656363][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6498.656363][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.656363][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.656363][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.656363][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6498.656363][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6498.656363][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6498.656363][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6498.656363][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6498.656363][ T73] addrconf_dad_begin+0x310/0x670 [ 6498.656363][ T73] addrconf_dad_work+0x10b/0xab0 [ 6498.656363][ T73] process_one_work+0x84d/0x18a0 [ 6498.656363][ T73] worker_thread+0x587/0xd30 [ 6498.656363][ T73] kthread+0x28a/0x350 [ 6498.656363][ T73] ret_from_fork+0x31/0x70 [ 6498.656363][ T73] ret_from_fork_asm+0x1a/0x30 [ 6498.656363][ T73] [ 6498.658505][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6498.658505][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.658505][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.658505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.658505][ T73] ip6_route_add+0x1c/0x140 [ 6498.658505][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6498.658505][ T73] inet6_addr_add+0x4f8/0xa40 [ 6498.658505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.658505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.658505][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.658505][ T73] netlink_unicast+0x449/0x710 [ 6498.658505][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.658505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.658505][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.658505][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.658505][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.658505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.658505][ T73] [ 6498.660800][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6498.660800][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.660800][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.660800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.660800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6498.660800][ T73] ipv6_add_addr+0x411/0x2000 [ 6498.660800][ T73] inet6_addr_add+0x30e/0xa40 [ 6498.660800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.660800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.660800][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.660800][ T73] netlink_unicast+0x449/0x710 [ 6498.660800][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.660800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.660800][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.660800][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.660800][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.660800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.660800][ T73] [ 6498.662962][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6498.662962][ T73] netdev_get_by_index+0x5e/0x80 [ 6498.662962][ T73] fib6_nh_init+0x3d8/0x1580 [ 6498.662962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6498.662962][ T73] ip6_route_add+0x1c/0x140 [ 6498.662962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6498.662962][ T73] addrconf_add_dev+0xe2/0x170 [ 6498.662962][ T73] inet6_addr_add+0x12f/0xa40 [ 6498.662962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.662962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.662962][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.662962][ T73] netlink_unicast+0x449/0x710 [ 6498.662962][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.662962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.662962][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.662962][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.662962][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.662962][ T73] [ 6498.665537][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6498.665537][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6498.665537][ T73] ipv6_find_idev+0x102/0x170 [ 6498.665537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.665537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.665537][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.665537][ T73] netlink_unicast+0x449/0x710 [ 6498.665537][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.665537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.665537][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.665537][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.665537][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.665537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.665537][ T73] [ 6498.667249][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6498.667249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6498.667249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6498.667249][ T73] ipv6_find_idev+0x102/0x170 [ 6498.667249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.667249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.667249][ T73] netlink_rcv_skb+0x130/0x360 [ 6498.667249][ T73] netlink_unicast+0x449/0x710 [ 6498.667249][ T73] netlink_sendmsg+0x723/0xbe0 [ 6498.667249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6498.667249][ T73] ___sys_sendmsg+0xee/0x170 [ 6498.667249][ T73] __sys_sendmsg+0xcd/0x170 [ 6498.667249][ T73] do_syscall_64+0xc6/0x1e0 [ 6498.667249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.667249][ T73] [ 6508.670888][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6508.671337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.671337][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6508.671337][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6508.671337][ T73] fib6_nh_init+0xa22/0x1580 [ 6508.671337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.671337][ T73] ip6_route_add+0x1c/0x140 [ 6508.671337][ T73] inet6_rtm_newroute+0x104/0x110 [ 6508.671337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.671337][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.671337][ T73] netlink_unicast+0x449/0x710 [ 6508.671337][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.671337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.671337][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.671337][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.671337][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.671337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.671337][ T73] [ 6508.673202][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.673202][ T73] dst_init+0x84/0x4a0 [ 6508.673202][ T73] dst_alloc+0x97/0x150 [ 6508.673202][ T73] ip6_dst_alloc+0x23/0x90 [ 6508.673202][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6508.673202][ T73] ip6_pol_route+0x56f/0x840 [ 6508.673202][ T73] fib6_rule_lookup+0x456/0x630 [ 6508.673202][ T73] ip6_route_input+0x59c/0xa50 [ 6508.673202][ T73] ipv6_rcv+0x397/0x810 [ 6508.673202][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6508.673202][ T73] process_backlog+0x101/0x620 [ 6508.673202][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6508.673202][ T73] net_rx_action+0x495/0xbe0 [ 6508.673202][ T73] __do_softirq+0x1b5/0x7f6 [ 6508.673202][ T73] [ 6508.674836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.674836][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.674836][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.674836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.674836][ T73] ip6_route_add+0x1c/0x140 [ 6508.674836][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6508.674836][ T73] inet6_addr_add+0x4f8/0xa40 [ 6508.674836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.674836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.674836][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.674836][ T73] netlink_unicast+0x449/0x710 [ 6508.674836][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.674836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.674836][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.674836][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.674836][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.674836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.674836][ T73] [ 6508.676853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.676853][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.676853][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.676853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.676853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6508.676853][ T73] ipv6_add_addr+0x411/0x2000 [ 6508.676853][ T73] inet6_addr_add+0x30e/0xa40 [ 6508.676853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.676853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.676853][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.676853][ T73] netlink_unicast+0x449/0x710 [ 6508.676853][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.676853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.676853][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.676853][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.676853][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.676853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.676853][ T73] [ 6508.678841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.678841][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.678841][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.678841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.678841][ T73] ip6_route_add+0x1c/0x140 [ 6508.678841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6508.678841][ T73] addrconf_add_dev+0xe2/0x170 [ 6508.678841][ T73] inet6_addr_add+0x12f/0xa40 [ 6508.678841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.678841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.678841][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.678841][ T73] netlink_unicast+0x449/0x710 [ 6508.678841][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.678841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.678841][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.678841][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.678841][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.678841][ T73] [ 6508.680796][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.680796][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6508.680796][ T73] ipv6_find_idev+0x102/0x170 [ 6508.680796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.680796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.680796][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.680796][ T73] netlink_unicast+0x449/0x710 [ 6508.680796][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.680796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.680796][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.680796][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.680796][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.680796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.680796][ T73] [ 6508.682716][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6508.682716][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6508.682716][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6508.682716][ T73] ipv6_find_idev+0x102/0x170 [ 6508.682716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.682716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.682716][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.682716][ T73] netlink_unicast+0x449/0x710 [ 6508.682716][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.682716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.682716][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.682716][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.682716][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.682716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.682716][ T73] [ 6508.684399][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6508.684671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.684671][ T73] dst_init+0x84/0x4a0 [ 6508.684671][ T73] dst_alloc+0x97/0x150 [ 6508.684671][ T73] ip6_dst_alloc+0x23/0x90 [ 6508.684671][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6508.684671][ T73] ip6_pol_route+0x56f/0x840 [ 6508.684671][ T73] fib6_rule_lookup+0x456/0x630 [ 6508.684671][ T73] ip6_route_input+0x59c/0xa50 [ 6508.684671][ T73] ipv6_rcv+0x397/0x810 [ 6508.684671][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6508.684671][ T73] process_backlog+0x101/0x620 [ 6508.684671][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6508.684671][ T73] net_rx_action+0x495/0xbe0 [ 6508.684671][ T73] __do_softirq+0x1b5/0x7f6 [ 6508.684671][ T73] [ 6508.686312][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.686312][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.686312][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.686312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.686312][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6508.686312][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6508.686312][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6508.686312][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6508.686312][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6508.686312][ T73] addrconf_dad_begin+0x310/0x670 [ 6508.686312][ T73] addrconf_dad_work+0x10b/0xab0 [ 6508.686312][ T73] process_one_work+0x84d/0x18a0 [ 6508.686312][ T73] worker_thread+0x587/0xd30 [ 6508.686312][ T73] kthread+0x28a/0x350 [ 6508.686312][ T73] ret_from_fork+0x31/0x70 [ 6508.686312][ T73] ret_from_fork_asm+0x1a/0x30 [ 6508.686312][ T73] [ 6508.688206][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.688206][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.688206][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.688206][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.688206][ T73] ip6_route_add+0x1c/0x140 [ 6508.688206][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6508.688206][ T73] inet6_addr_add+0x4f8/0xa40 [ 6508.688206][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.688206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.688206][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.688206][ T73] netlink_unicast+0x449/0x710 [ 6508.688206][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.688206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.688206][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.688206][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.688206][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.688206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.688206][ T73] [ 6508.690186][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.690186][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.690186][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.690186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.690186][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6508.690186][ T73] ipv6_add_addr+0x411/0x2000 [ 6508.690186][ T73] inet6_addr_add+0x30e/0xa40 [ 6508.690186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.690186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.690186][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.690186][ T73] netlink_unicast+0x449/0x710 [ 6508.690186][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.690186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.690186][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.690186][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.690186][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.690186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.690186][ T73] [ 6508.692182][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.692182][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.692182][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.692182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.692182][ T73] ip6_route_add+0x1c/0x140 [ 6508.692182][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6508.692182][ T73] addrconf_add_dev+0xe2/0x170 [ 6508.692182][ T73] inet6_addr_add+0x12f/0xa40 [ 6508.692182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.692182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.692182][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.692182][ T73] netlink_unicast+0x449/0x710 [ 6508.692182][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.692182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.692182][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.692182][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.692182][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.692182][ T73] [ 6508.694127][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.694127][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6508.694127][ T73] ipv6_find_idev+0x102/0x170 [ 6508.694127][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.694127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.694127][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.694127][ T73] netlink_unicast+0x449/0x710 [ 6508.694127][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.694127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.694127][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.694127][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.694127][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.694127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.694127][ T73] [ 6508.695656][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6508.695656][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6508.695656][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6508.695656][ T73] ipv6_find_idev+0x102/0x170 [ 6508.695656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.695656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.695656][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.695656][ T73] netlink_unicast+0x449/0x710 [ 6508.695656][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.695656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.695656][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.695656][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.695656][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.695656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.695656][ T73] [ 6508.697435][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6508.697775][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.697775][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6508.697775][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6508.697775][ T73] fib6_nh_init+0xa22/0x1580 [ 6508.697775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.697775][ T73] ip6_route_add+0x1c/0x140 [ 6508.697775][ T73] inet6_rtm_newroute+0x104/0x110 [ 6508.697775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.697775][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.697775][ T73] netlink_unicast+0x449/0x710 [ 6508.697775][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.697775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.697775][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.697775][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.697775][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.697775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.697775][ T73] [ 6508.699753][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.699753][ T73] dst_init+0x84/0x4a0 [ 6508.699753][ T73] dst_alloc+0x97/0x150 [ 6508.699753][ T73] ip6_dst_alloc+0x23/0x90 [ 6508.699753][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6508.699753][ T73] ip6_pol_route+0x56f/0x840 [ 6508.699753][ T73] fib6_rule_lookup+0x456/0x630 [ 6508.699753][ T73] ip6_route_input+0x59c/0xa50 [ 6508.699753][ T73] ipv6_rcv+0x397/0x810 [ 6508.699753][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6508.699753][ T73] process_backlog+0x101/0x620 [ 6508.699753][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6508.699753][ T73] net_rx_action+0x495/0xbe0 [ 6508.699753][ T73] __do_softirq+0x1b5/0x7f6 [ 6508.699753][ T73] [ 6508.701621][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.701621][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.701621][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.701621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.701621][ T73] ip6_route_add+0x1c/0x140 [ 6508.701621][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6508.701621][ T73] inet6_addr_add+0x4f8/0xa40 [ 6508.701621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.701621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.701621][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.701621][ T73] netlink_unicast+0x449/0x710 [ 6508.701621][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.701621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.701621][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.701621][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.701621][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.701621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.701621][ T73] [ 6508.703847][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.703847][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.703847][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.703847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.703847][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6508.703847][ T73] ipv6_add_addr+0x411/0x2000 [ 6508.703847][ T73] inet6_addr_add+0x30e/0xa40 [ 6508.703847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.703847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.703847][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.703847][ T73] netlink_unicast+0x449/0x710 [ 6508.703847][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.703847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.703847][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.703847][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.703847][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.703847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.703847][ T73] [ 6508.706101][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.706101][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.706101][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.706101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.706101][ T73] ip6_route_add+0x1c/0x140 [ 6508.706101][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6508.706101][ T73] addrconf_add_dev+0xe2/0x170 [ 6508.706101][ T73] inet6_addr_add+0x12f/0xa40 [ 6508.706101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.706101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.706101][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.706101][ T73] netlink_unicast+0x449/0x710 [ 6508.706101][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.706101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.706101][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.706101][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.706101][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.706101][ T73] [ 6508.708295][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.708295][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6508.708295][ T73] ipv6_find_idev+0x102/0x170 [ 6508.708295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.708295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.708295][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.708295][ T73] netlink_unicast+0x449/0x710 [ 6508.708295][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.708295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.708295][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.708295][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.708295][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.708295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.708295][ T73] [ 6508.710070][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6508.710070][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6508.710070][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6508.710070][ T73] ipv6_find_idev+0x102/0x170 [ 6508.710070][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.710070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.710070][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.710070][ T73] netlink_unicast+0x449/0x710 [ 6508.710070][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.710070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.710070][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.710070][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.710070][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.710070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.710070][ T73] [ 6508.711939][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6508.712221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6508.712221][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.712221][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.712221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.712221][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6508.712221][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6508.712221][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6508.712221][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6508.712221][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6508.712221][ T73] addrconf_dad_begin+0x310/0x670 [ 6508.712221][ T73] addrconf_dad_work+0x10b/0xab0 [ 6508.712221][ T73] process_one_work+0x84d/0x18a0 [ 6508.712221][ T73] worker_thread+0x587/0xd30 [ 6508.712221][ T73] kthread+0x28a/0x350 [ 6508.712221][ T73] ret_from_fork+0x31/0x70 [ 6508.712221][ T73] ret_from_fork_asm+0x1a/0x30 [ 6508.712221][ T73] [ 6508.714358][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6508.714358][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.714358][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.714358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.714358][ T73] ip6_route_add+0x1c/0x140 [ 6508.714358][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6508.714358][ T73] inet6_addr_add+0x4f8/0xa40 [ 6508.714358][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.714358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.714358][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.714358][ T73] netlink_unicast+0x449/0x710 [ 6508.714358][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.714358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.714358][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.714358][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.714358][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.714358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.714358][ T73] [ 6508.716586][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6508.716586][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.716586][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.716586][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.716586][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6508.716586][ T73] ipv6_add_addr+0x411/0x2000 [ 6508.716586][ T73] inet6_addr_add+0x30e/0xa40 [ 6508.716586][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.716586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.716586][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.716586][ T73] netlink_unicast+0x449/0x710 [ 6508.716586][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.716586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.716586][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.716586][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.716586][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.716586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.716586][ T73] [ 6508.718877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6508.718877][ T73] netdev_get_by_index+0x5e/0x80 [ 6508.718877][ T73] fib6_nh_init+0x3d8/0x1580 [ 6508.718877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6508.718877][ T73] ip6_route_add+0x1c/0x140 [ 6508.718877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6508.718877][ T73] addrconf_add_dev+0xe2/0x170 [ 6508.718877][ T73] inet6_addr_add+0x12f/0xa40 [ 6508.718877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.718877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.718877][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.718877][ T73] netlink_unicast+0x449/0x710 [ 6508.718877][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.718877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.718877][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.718877][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.718877][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.718877][ T73] [ 6508.721014][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6508.721014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6508.721014][ T73] ipv6_find_idev+0x102/0x170 [ 6508.721014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.721014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.721014][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.721014][ T73] netlink_unicast+0x449/0x710 [ 6508.721014][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.721014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.721014][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.721014][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.721014][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.721014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.721014][ T73] [ 6508.722722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6508.722722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6508.722722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6508.722722][ T73] ipv6_find_idev+0x102/0x170 [ 6508.722722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.722722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.722722][ T73] netlink_rcv_skb+0x130/0x360 [ 6508.722722][ T73] netlink_unicast+0x449/0x710 [ 6508.722722][ T73] netlink_sendmsg+0x723/0xbe0 [ 6508.722722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6508.722722][ T73] ___sys_sendmsg+0xee/0x170 [ 6508.722722][ T73] __sys_sendmsg+0xcd/0x170 [ 6508.722722][ T73] do_syscall_64+0xc6/0x1e0 [ 6508.722722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.722722][ T73] [ 6518.934885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6518.935368][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.935368][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6518.935368][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6518.935368][ T73] fib6_nh_init+0xa22/0x1580 [ 6518.935368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.935368][ T73] ip6_route_add+0x1c/0x140 [ 6518.935368][ T73] inet6_rtm_newroute+0x104/0x110 [ 6518.935368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.935368][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.935368][ T73] netlink_unicast+0x449/0x710 [ 6518.935368][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.935368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.935368][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.935368][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.935368][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.935368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.935368][ T73] [ 6518.937284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.937284][ T73] dst_init+0x84/0x4a0 [ 6518.937284][ T73] dst_alloc+0x97/0x150 [ 6518.937284][ T73] ip6_dst_alloc+0x23/0x90 [ 6518.937284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6518.937284][ T73] ip6_pol_route+0x56f/0x840 [ 6518.937284][ T73] fib6_rule_lookup+0x456/0x630 [ 6518.937284][ T73] ip6_route_input+0x59c/0xa50 [ 6518.937284][ T73] ipv6_rcv+0x397/0x810 [ 6518.937284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6518.937284][ T73] process_backlog+0x101/0x620 [ 6518.937284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6518.937284][ T73] net_rx_action+0x495/0xbe0 [ 6518.937284][ T73] __do_softirq+0x1b5/0x7f6 [ 6518.937284][ T73] [ 6518.938953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.938953][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.938953][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.938953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.938953][ T73] ip6_route_add+0x1c/0x140 [ 6518.938953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6518.938953][ T73] inet6_addr_add+0x4f8/0xa40 [ 6518.938953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.938953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.938953][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.938953][ T73] netlink_unicast+0x449/0x710 [ 6518.938953][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.938953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.938953][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.938953][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.938953][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.938953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.938953][ T73] [ 6518.940968][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.940968][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.940968][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.940968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.940968][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6518.940968][ T73] ipv6_add_addr+0x411/0x2000 [ 6518.940968][ T73] inet6_addr_add+0x30e/0xa40 [ 6518.940968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.940968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.940968][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.940968][ T73] netlink_unicast+0x449/0x710 [ 6518.940968][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.940968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.940968][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.940968][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.940968][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.940968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.940968][ T73] [ 6518.942991][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.942991][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.942991][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.942991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.942991][ T73] ip6_route_add+0x1c/0x140 [ 6518.942991][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6518.942991][ T73] addrconf_add_dev+0xe2/0x170 [ 6518.942991][ T73] inet6_addr_add+0x12f/0xa40 [ 6518.942991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.942991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.942991][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.942991][ T73] netlink_unicast+0x449/0x710 [ 6518.942991][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.942991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.942991][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.942991][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.942991][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.942991][ T73] [ 6518.944970][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.944970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6518.944970][ T73] ipv6_find_idev+0x102/0x170 [ 6518.944970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.944970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.944970][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.944970][ T73] netlink_unicast+0x449/0x710 [ 6518.944970][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.944970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.944970][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.944970][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.944970][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.944970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.944970][ T73] [ 6518.946519][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6518.946519][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6518.946519][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6518.946519][ T73] ipv6_find_idev+0x102/0x170 [ 6518.946519][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.946519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.946519][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.946519][ T73] netlink_unicast+0x449/0x710 [ 6518.946519][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.946519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.946519][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.946519][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.946519][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.946519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.946519][ T73] [ 6518.948206][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6518.948479][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.948479][ T73] dst_init+0x84/0x4a0 [ 6518.948479][ T73] dst_alloc+0x97/0x150 [ 6518.948479][ T73] ip6_dst_alloc+0x23/0x90 [ 6518.948479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6518.948479][ T73] ip6_pol_route+0x56f/0x840 [ 6518.948479][ T73] fib6_rule_lookup+0x456/0x630 [ 6518.948479][ T73] ip6_route_input+0x59c/0xa50 [ 6518.948479][ T73] ipv6_rcv+0x397/0x810 [ 6518.948479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6518.948479][ T73] process_backlog+0x101/0x620 [ 6518.948479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6518.948479][ T73] net_rx_action+0x495/0xbe0 [ 6518.948479][ T73] __do_softirq+0x1b5/0x7f6 [ 6518.948479][ T73] [ 6518.950125][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.950125][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.950125][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.950125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.950125][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6518.950125][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6518.950125][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6518.950125][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6518.950125][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6518.950125][ T73] addrconf_dad_begin+0x310/0x670 [ 6518.950125][ T73] addrconf_dad_work+0x10b/0xab0 [ 6518.950125][ T73] process_one_work+0x84d/0x18a0 [ 6518.950125][ T73] worker_thread+0x587/0xd30 [ 6518.950125][ T73] kthread+0x28a/0x350 [ 6518.950125][ T73] ret_from_fork+0x31/0x70 [ 6518.950125][ T73] ret_from_fork_asm+0x1a/0x30 [ 6518.950125][ T73] [ 6518.952053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.952053][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.952053][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.952053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.952053][ T73] ip6_route_add+0x1c/0x140 [ 6518.952053][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6518.952053][ T73] inet6_addr_add+0x4f8/0xa40 [ 6518.952053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.952053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.952053][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.952053][ T73] netlink_unicast+0x449/0x710 [ 6518.952053][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.952053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.952053][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.952053][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.952053][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.952053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.952053][ T73] [ 6518.954051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.954051][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.954051][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.954051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.954051][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6518.954051][ T73] ipv6_add_addr+0x411/0x2000 [ 6518.954051][ T73] inet6_addr_add+0x30e/0xa40 [ 6518.954051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.954051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.954051][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.954051][ T73] netlink_unicast+0x449/0x710 [ 6518.954051][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.954051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.954051][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.954051][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.954051][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.954051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.954051][ T73] [ 6518.956059][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.956059][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.956059][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.956059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.956059][ T73] ip6_route_add+0x1c/0x140 [ 6518.956059][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6518.956059][ T73] addrconf_add_dev+0xe2/0x170 [ 6518.956059][ T73] inet6_addr_add+0x12f/0xa40 [ 6518.956059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.956059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.956059][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.956059][ T73] netlink_unicast+0x449/0x710 [ 6518.956059][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.956059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.956059][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.956059][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.956059][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.956059][ T73] [ 6518.958029][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.958029][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6518.958029][ T73] ipv6_find_idev+0x102/0x170 [ 6518.958029][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.958029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.958029][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.958029][ T73] netlink_unicast+0x449/0x710 [ 6518.958029][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.958029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.958029][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.958029][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.958029][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.958029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.958029][ T73] [ 6518.959579][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6518.959579][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6518.959579][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6518.959579][ T73] ipv6_find_idev+0x102/0x170 [ 6518.959579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.959579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.959579][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.959579][ T73] netlink_unicast+0x449/0x710 [ 6518.959579][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.959579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.959579][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.959579][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.959579][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.959579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.959579][ T73] [ 6518.961414][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6518.961745][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.961745][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6518.961745][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6518.961745][ T73] fib6_nh_init+0xa22/0x1580 [ 6518.961745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.961745][ T73] ip6_route_add+0x1c/0x140 [ 6518.961745][ T73] inet6_rtm_newroute+0x104/0x110 [ 6518.961745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.961745][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.961745][ T73] netlink_unicast+0x449/0x710 [ 6518.961745][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.961745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.961745][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.961745][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.961745][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.961745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.961745][ T73] [ 6518.963816][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.963816][ T73] dst_init+0x84/0x4a0 [ 6518.963816][ T73] dst_alloc+0x97/0x150 [ 6518.963816][ T73] ip6_dst_alloc+0x23/0x90 [ 6518.963816][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6518.963816][ T73] ip6_pol_route+0x56f/0x840 [ 6518.963816][ T73] fib6_rule_lookup+0x456/0x630 [ 6518.963816][ T73] ip6_route_input+0x59c/0xa50 [ 6518.963816][ T73] ipv6_rcv+0x397/0x810 [ 6518.963816][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6518.963816][ T73] process_backlog+0x101/0x620 [ 6518.963816][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6518.963816][ T73] net_rx_action+0x495/0xbe0 [ 6518.963816][ T73] __do_softirq+0x1b5/0x7f6 [ 6518.963816][ T73] [ 6518.965635][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.965635][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.965635][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.965635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.965635][ T73] ip6_route_add+0x1c/0x140 [ 6518.965635][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6518.965635][ T73] inet6_addr_add+0x4f8/0xa40 [ 6518.965635][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.965635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.965635][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.965635][ T73] netlink_unicast+0x449/0x710 [ 6518.965635][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.965635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.965635][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.965635][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.965635][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.965635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.965635][ T73] [ 6518.967882][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.967882][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.967882][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.967882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.967882][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6518.967882][ T73] ipv6_add_addr+0x411/0x2000 [ 6518.967882][ T73] inet6_addr_add+0x30e/0xa40 [ 6518.967882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.967882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.967882][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.967882][ T73] netlink_unicast+0x449/0x710 [ 6518.967882][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.967882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.967882][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.967882][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.967882][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.967882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.967882][ T73] [ 6518.970188][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.970188][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.970188][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.970188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.970188][ T73] ip6_route_add+0x1c/0x140 [ 6518.970188][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6518.970188][ T73] addrconf_add_dev+0xe2/0x170 [ 6518.970188][ T73] inet6_addr_add+0x12f/0xa40 [ 6518.970188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.970188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.970188][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.970188][ T73] netlink_unicast+0x449/0x710 [ 6518.970188][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.970188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.970188][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.970188][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.970188][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.970188][ T73] [ 6518.972399][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.972399][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6518.972399][ T73] ipv6_find_idev+0x102/0x170 [ 6518.972399][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.972399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.972399][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.972399][ T73] netlink_unicast+0x449/0x710 [ 6518.972399][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.972399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.972399][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.972399][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.972399][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.972399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.972399][ T73] [ 6518.974126][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6518.974126][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6518.974126][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6518.974126][ T73] ipv6_find_idev+0x102/0x170 [ 6518.974126][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.974126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.974126][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.974126][ T73] netlink_unicast+0x449/0x710 [ 6518.974126][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.974126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.974126][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.974126][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.974126][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.974126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.974126][ T73] [ 6518.976518][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6518.976792][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6518.976792][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.976792][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.976792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.976792][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6518.976792][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6518.976792][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6518.976792][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6518.976792][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6518.976792][ T73] addrconf_dad_begin+0x310/0x670 [ 6518.976792][ T73] addrconf_dad_work+0x10b/0xab0 [ 6518.976792][ T73] process_one_work+0x84d/0x18a0 [ 6518.976792][ T73] worker_thread+0x587/0xd30 [ 6518.976792][ T73] kthread+0x28a/0x350 [ 6518.976792][ T73] ret_from_fork+0x31/0x70 [ 6518.976792][ T73] ret_from_fork_asm+0x1a/0x30 [ 6518.976792][ T73] [ 6518.979037][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6518.979037][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.979037][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.979037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.979037][ T73] ip6_route_add+0x1c/0x140 [ 6518.979037][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6518.979037][ T73] inet6_addr_add+0x4f8/0xa40 [ 6518.979037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.979037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.979037][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.979037][ T73] netlink_unicast+0x449/0x710 [ 6518.979037][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.979037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.979037][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.979037][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.979037][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.979037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.979037][ T73] [ 6518.981291][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6518.981291][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.981291][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.981291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.981291][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6518.981291][ T73] ipv6_add_addr+0x411/0x2000 [ 6518.981291][ T73] inet6_addr_add+0x30e/0xa40 [ 6518.981291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.981291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.981291][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.981291][ T73] netlink_unicast+0x449/0x710 [ 6518.981291][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.981291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.981291][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.981291][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.981291][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.981291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.981291][ T73] [ 6518.983534][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6518.983534][ T73] netdev_get_by_index+0x5e/0x80 [ 6518.983534][ T73] fib6_nh_init+0x3d8/0x1580 [ 6518.983534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6518.983534][ T73] ip6_route_add+0x1c/0x140 [ 6518.983534][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6518.983534][ T73] addrconf_add_dev+0xe2/0x170 [ 6518.983534][ T73] inet6_addr_add+0x12f/0xa40 [ 6518.983534][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.983534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.983534][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.983534][ T73] netlink_unicast+0x449/0x710 [ 6518.983534][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.983534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.983534][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.983534][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.983534][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.983534][ T73] [ 6518.985680][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6518.985680][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6518.985680][ T73] ipv6_find_idev+0x102/0x170 [ 6518.985680][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.985680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.985680][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.985680][ T73] netlink_unicast+0x449/0x710 [ 6518.985680][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.985680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.985680][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.985680][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.985680][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.985680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.985680][ T73] [ 6518.987418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6518.987418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6518.987418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6518.987418][ T73] ipv6_find_idev+0x102/0x170 [ 6518.987418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.987418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.987418][ T73] netlink_rcv_skb+0x130/0x360 [ 6518.987418][ T73] netlink_unicast+0x449/0x710 [ 6518.987418][ T73] netlink_sendmsg+0x723/0xbe0 [ 6518.987418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6518.987418][ T73] ___sys_sendmsg+0xee/0x170 [ 6518.987418][ T73] __sys_sendmsg+0xcd/0x170 [ 6518.987418][ T73] do_syscall_64+0xc6/0x1e0 [ 6518.987418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.987418][ T73] [ 6529.150842][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6529.151312][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.151312][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6529.151312][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6529.151312][ T73] fib6_nh_init+0xa22/0x1580 [ 6529.151312][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.151312][ T73] ip6_route_add+0x1c/0x140 [ 6529.151312][ T73] inet6_rtm_newroute+0x104/0x110 [ 6529.151312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.151312][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.151312][ T73] netlink_unicast+0x449/0x710 [ 6529.151312][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.151312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.151312][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.151312][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.151312][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.151312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.151312][ T73] [ 6529.153555][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.153555][ T73] dst_init+0x84/0x4a0 [ 6529.153555][ T73] dst_alloc+0x97/0x150 [ 6529.153555][ T73] ip6_dst_alloc+0x23/0x90 [ 6529.153555][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6529.153555][ T73] ip6_pol_route+0x56f/0x840 [ 6529.153555][ T73] fib6_rule_lookup+0x456/0x630 [ 6529.153555][ T73] ip6_route_input+0x59c/0xa50 [ 6529.153555][ T73] ipv6_rcv+0x397/0x810 [ 6529.153555][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6529.153555][ T73] process_backlog+0x101/0x620 [ 6529.153555][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6529.153555][ T73] net_rx_action+0x495/0xbe0 [ 6529.153555][ T73] __do_softirq+0x1b5/0x7f6 [ 6529.153555][ T73] [ 6529.155186][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.155186][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.155186][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.155186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.155186][ T73] ip6_route_add+0x1c/0x140 [ 6529.155186][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6529.155186][ T73] inet6_addr_add+0x4f8/0xa40 [ 6529.155186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.155186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.155186][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.155186][ T73] netlink_unicast+0x449/0x710 [ 6529.155186][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.155186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.155186][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.155186][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.155186][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.155186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.155186][ T73] [ 6529.157176][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.157176][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.157176][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.157176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.157176][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6529.157176][ T73] ipv6_add_addr+0x411/0x2000 [ 6529.157176][ T73] inet6_addr_add+0x30e/0xa40 [ 6529.157176][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.157176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.157176][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.157176][ T73] netlink_unicast+0x449/0x710 [ 6529.157176][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.157176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.157176][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.157176][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.157176][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.157176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.157176][ T73] [ 6529.159159][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.159159][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.159159][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.159159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.159159][ T73] ip6_route_add+0x1c/0x140 [ 6529.159159][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6529.159159][ T73] addrconf_add_dev+0xe2/0x170 [ 6529.159159][ T73] inet6_addr_add+0x12f/0xa40 [ 6529.159159][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.159159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.159159][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.159159][ T73] netlink_unicast+0x449/0x710 [ 6529.159159][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.159159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.159159][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.159159][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.159159][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.159159][ T73] [ 6529.161120][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.161120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6529.161120][ T73] ipv6_find_idev+0x102/0x170 [ 6529.161120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.161120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.161120][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.161120][ T73] netlink_unicast+0x449/0x710 [ 6529.161120][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.161120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.161120][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.161120][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.161120][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.161120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.161120][ T73] [ 6529.162660][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6529.162660][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6529.162660][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6529.162660][ T73] ipv6_find_idev+0x102/0x170 [ 6529.162660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.162660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.162660][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.162660][ T73] netlink_unicast+0x449/0x710 [ 6529.162660][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.162660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.162660][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.162660][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.162660][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.162660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.162660][ T73] [ 6529.164340][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6529.164612][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.164612][ T73] dst_init+0x84/0x4a0 [ 6529.164612][ T73] dst_alloc+0x97/0x150 [ 6529.164612][ T73] ip6_dst_alloc+0x23/0x90 [ 6529.164612][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6529.164612][ T73] ip6_pol_route+0x56f/0x840 [ 6529.164612][ T73] fib6_rule_lookup+0x456/0x630 [ 6529.164612][ T73] ip6_route_input+0x59c/0xa50 [ 6529.164612][ T73] ipv6_rcv+0x397/0x810 [ 6529.164612][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6529.164612][ T73] process_backlog+0x101/0x620 [ 6529.164612][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6529.164612][ T73] net_rx_action+0x495/0xbe0 [ 6529.164612][ T73] __do_softirq+0x1b5/0x7f6 [ 6529.164612][ T73] [ 6529.166241][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.166241][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.166241][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.166241][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.166241][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6529.166241][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6529.166241][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6529.166241][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6529.166241][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6529.166241][ T73] addrconf_dad_begin+0x310/0x670 [ 6529.166241][ T73] addrconf_dad_work+0x10b/0xab0 [ 6529.166241][ T73] process_one_work+0x84d/0x18a0 [ 6529.166241][ T73] worker_thread+0x587/0xd30 [ 6529.166241][ T73] kthread+0x28a/0x350 [ 6529.166241][ T73] ret_from_fork+0x31/0x70 [ 6529.166241][ T73] ret_from_fork_asm+0x1a/0x30 [ 6529.166241][ T73] [ 6529.168142][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.168142][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.168142][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.168142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.168142][ T73] ip6_route_add+0x1c/0x140 [ 6529.168142][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6529.168142][ T73] inet6_addr_add+0x4f8/0xa40 [ 6529.168142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.168142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.168142][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.168142][ T73] netlink_unicast+0x449/0x710 [ 6529.168142][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.168142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.168142][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.168142][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.168142][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.168142][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.168142][ T73] [ 6529.170132][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.170132][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.170132][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.170132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.170132][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6529.170132][ T73] ipv6_add_addr+0x411/0x2000 [ 6529.170132][ T73] inet6_addr_add+0x30e/0xa40 [ 6529.170132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.170132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.170132][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.170132][ T73] netlink_unicast+0x449/0x710 [ 6529.170132][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.170132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.170132][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.170132][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.170132][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.170132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.170132][ T73] [ 6529.172122][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.172122][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.172122][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.172122][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.172122][ T73] ip6_route_add+0x1c/0x140 [ 6529.172122][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6529.172122][ T73] addrconf_add_dev+0xe2/0x170 [ 6529.172122][ T73] inet6_addr_add+0x12f/0xa40 [ 6529.172122][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.172122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.172122][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.172122][ T73] netlink_unicast+0x449/0x710 [ 6529.172122][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.172122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.172122][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.172122][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.172122][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.172122][ T73] [ 6529.174071][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.174071][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6529.174071][ T73] ipv6_find_idev+0x102/0x170 [ 6529.174071][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.174071][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.174071][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.174071][ T73] netlink_unicast+0x449/0x710 [ 6529.174071][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.174071][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.174071][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.174071][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.174071][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.174071][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.174071][ T73] [ 6529.175605][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6529.175605][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6529.175605][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6529.175605][ T73] ipv6_find_idev+0x102/0x170 [ 6529.175605][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.175605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.175605][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.175605][ T73] netlink_unicast+0x449/0x710 [ 6529.175605][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.175605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.175605][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.175605][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.175605][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.175605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.175605][ T73] [ 6529.177276][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6529.177603][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.177603][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6529.177603][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6529.177603][ T73] fib6_nh_init+0xa22/0x1580 [ 6529.177603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.177603][ T73] ip6_route_add+0x1c/0x140 [ 6529.177603][ T73] inet6_rtm_newroute+0x104/0x110 [ 6529.177603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.177603][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.177603][ T73] netlink_unicast+0x449/0x710 [ 6529.177603][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.177603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.177603][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.177603][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.177603][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.177603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.177603][ T73] [ 6529.179655][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.179655][ T73] dst_init+0x84/0x4a0 [ 6529.179655][ T73] dst_alloc+0x97/0x150 [ 6529.179655][ T73] ip6_dst_alloc+0x23/0x90 [ 6529.179655][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6529.179655][ T73] ip6_pol_route+0x56f/0x840 [ 6529.179655][ T73] fib6_rule_lookup+0x456/0x630 [ 6529.179655][ T73] ip6_route_input+0x59c/0xa50 [ 6529.179655][ T73] ipv6_rcv+0x397/0x810 [ 6529.179655][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6529.179655][ T73] process_backlog+0x101/0x620 [ 6529.179655][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6529.179655][ T73] net_rx_action+0x495/0xbe0 [ 6529.179655][ T73] __do_softirq+0x1b5/0x7f6 [ 6529.179655][ T73] [ 6529.181484][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.181484][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.181484][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.181484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.181484][ T73] ip6_route_add+0x1c/0x140 [ 6529.181484][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6529.181484][ T73] inet6_addr_add+0x4f8/0xa40 [ 6529.181484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.181484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.181484][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.181484][ T73] netlink_unicast+0x449/0x710 [ 6529.181484][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.181484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.181484][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.181484][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.181484][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.181484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.181484][ T73] [ 6529.183710][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.183710][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.183710][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.183710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.183710][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6529.183710][ T73] ipv6_add_addr+0x411/0x2000 [ 6529.183710][ T73] inet6_addr_add+0x30e/0xa40 [ 6529.183710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.183710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.183710][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.183710][ T73] netlink_unicast+0x449/0x710 [ 6529.183710][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.183710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.183710][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.183710][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.183710][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.183710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.183710][ T73] [ 6529.185901][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.185901][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.185901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.185901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.185901][ T73] ip6_route_add+0x1c/0x140 [ 6529.185901][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6529.185901][ T73] addrconf_add_dev+0xe2/0x170 [ 6529.185901][ T73] inet6_addr_add+0x12f/0xa40 [ 6529.185901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.185901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.185901][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.185901][ T73] netlink_unicast+0x449/0x710 [ 6529.185901][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.185901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.185901][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.185901][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.185901][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.185901][ T73] [ 6529.188102][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.188102][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6529.188102][ T73] ipv6_find_idev+0x102/0x170 [ 6529.188102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.188102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.188102][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.188102][ T73] netlink_unicast+0x449/0x710 [ 6529.188102][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.188102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.188102][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.188102][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.188102][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.188102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.188102][ T73] [ 6529.189878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6529.189878][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6529.189878][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6529.189878][ T73] ipv6_find_idev+0x102/0x170 [ 6529.189878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.189878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.189878][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.189878][ T73] netlink_unicast+0x449/0x710 [ 6529.189878][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.189878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.189878][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.189878][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.189878][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.189878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.189878][ T73] [ 6529.191743][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6529.192082][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6529.192082][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.192082][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.192082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.192082][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6529.192082][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6529.192082][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6529.192082][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6529.192082][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6529.192082][ T73] addrconf_dad_begin+0x310/0x670 [ 6529.192082][ T73] addrconf_dad_work+0x10b/0xab0 [ 6529.192082][ T73] process_one_work+0x84d/0x18a0 [ 6529.192082][ T73] worker_thread+0x587/0xd30 [ 6529.192082][ T73] kthread+0x28a/0x350 [ 6529.192082][ T73] ret_from_fork+0x31/0x70 [ 6529.192082][ T73] ret_from_fork_asm+0x1a/0x30 [ 6529.192082][ T73] [ 6529.194166][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6529.194166][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.194166][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.194166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.194166][ T73] ip6_route_add+0x1c/0x140 [ 6529.194166][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6529.194166][ T73] inet6_addr_add+0x4f8/0xa40 [ 6529.194166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.194166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.194166][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.194166][ T73] netlink_unicast+0x449/0x710 [ 6529.194166][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.194166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.194166][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.194166][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.194166][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.194166][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.194166][ T73] [ 6529.196391][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6529.196391][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.196391][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.196391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.196391][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6529.196391][ T73] ipv6_add_addr+0x411/0x2000 [ 6529.196391][ T73] inet6_addr_add+0x30e/0xa40 [ 6529.196391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.196391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.196391][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.196391][ T73] netlink_unicast+0x449/0x710 [ 6529.196391][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.196391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.196391][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.196391][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.196391][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.196391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.196391][ T73] [ 6529.198681][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6529.198681][ T73] netdev_get_by_index+0x5e/0x80 [ 6529.198681][ T73] fib6_nh_init+0x3d8/0x1580 [ 6529.198681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6529.198681][ T73] ip6_route_add+0x1c/0x140 [ 6529.198681][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6529.198681][ T73] addrconf_add_dev+0xe2/0x170 [ 6529.198681][ T73] inet6_addr_add+0x12f/0xa40 [ 6529.198681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.198681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.198681][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.198681][ T73] netlink_unicast+0x449/0x710 [ 6529.198681][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.198681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.198681][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.198681][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.198681][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.198681][ T73] [ 6529.200877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6529.200877][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6529.200877][ T73] ipv6_find_idev+0x102/0x170 [ 6529.200877][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.200877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.200877][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.200877][ T73] netlink_unicast+0x449/0x710 [ 6529.200877][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.200877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.200877][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.200877][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.200877][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.200877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.200877][ T73] [ 6529.202532][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6529.202532][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6529.202532][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6529.202532][ T73] ipv6_find_idev+0x102/0x170 [ 6529.202532][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.202532][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.202532][ T73] netlink_rcv_skb+0x130/0x360 [ 6529.202532][ T73] netlink_unicast+0x449/0x710 [ 6529.202532][ T73] netlink_sendmsg+0x723/0xbe0 [ 6529.202532][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6529.202532][ T73] ___sys_sendmsg+0xee/0x170 [ 6529.202532][ T73] __sys_sendmsg+0xcd/0x170 [ 6529.202532][ T73] do_syscall_64+0xc6/0x1e0 [ 6529.202532][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.202532][ T73] [ 6539.446863][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6539.447317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.447317][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6539.447317][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6539.447317][ T73] fib6_nh_init+0xa22/0x1580 [ 6539.447317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.447317][ T73] ip6_route_add+0x1c/0x140 [ 6539.447317][ T73] inet6_rtm_newroute+0x104/0x110 [ 6539.447317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.447317][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.447317][ T73] netlink_unicast+0x449/0x710 [ 6539.447317][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.447317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.447317][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.447317][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.447317][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.447317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.447317][ T73] [ 6539.449203][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.449203][ T73] dst_init+0x84/0x4a0 [ 6539.449203][ T73] dst_alloc+0x97/0x150 [ 6539.449203][ T73] ip6_dst_alloc+0x23/0x90 [ 6539.449203][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6539.449203][ T73] ip6_pol_route+0x56f/0x840 [ 6539.449203][ T73] fib6_rule_lookup+0x456/0x630 [ 6539.449203][ T73] ip6_route_input+0x59c/0xa50 [ 6539.449203][ T73] ipv6_rcv+0x397/0x810 [ 6539.449203][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6539.449203][ T73] process_backlog+0x101/0x620 [ 6539.449203][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6539.449203][ T73] net_rx_action+0x495/0xbe0 [ 6539.449203][ T73] __do_softirq+0x1b5/0x7f6 [ 6539.449203][ T73] [ 6539.450850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.450850][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.450850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.450850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.450850][ T73] ip6_route_add+0x1c/0x140 [ 6539.450850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6539.450850][ T73] inet6_addr_add+0x4f8/0xa40 [ 6539.450850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.450850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.450850][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.450850][ T73] netlink_unicast+0x449/0x710 [ 6539.450850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.450850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.450850][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.450850][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.450850][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.450850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.450850][ T73] [ 6539.452842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.452842][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.452842][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.452842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.452842][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6539.452842][ T73] ipv6_add_addr+0x411/0x2000 [ 6539.452842][ T73] inet6_addr_add+0x30e/0xa40 [ 6539.452842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.452842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.452842][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.452842][ T73] netlink_unicast+0x449/0x710 [ 6539.452842][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.452842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.452842][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.452842][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.452842][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.452842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.452842][ T73] [ 6539.454838][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.454838][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.454838][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.454838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.454838][ T73] ip6_route_add+0x1c/0x140 [ 6539.454838][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6539.454838][ T73] addrconf_add_dev+0xe2/0x170 [ 6539.454838][ T73] inet6_addr_add+0x12f/0xa40 [ 6539.454838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.454838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.454838][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.454838][ T73] netlink_unicast+0x449/0x710 [ 6539.454838][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.454838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.454838][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.454838][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.454838][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.454838][ T73] [ 6539.456788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.456788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6539.456788][ T73] ipv6_find_idev+0x102/0x170 [ 6539.456788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.456788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.456788][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.456788][ T73] netlink_unicast+0x449/0x710 [ 6539.456788][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.456788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.456788][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.456788][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.456788][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.456788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.456788][ T73] [ 6539.458318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6539.458318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6539.458318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6539.458318][ T73] ipv6_find_idev+0x102/0x170 [ 6539.458318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.458318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.458318][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.458318][ T73] netlink_unicast+0x449/0x710 [ 6539.458318][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.458318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.458318][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.458318][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.458318][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.458318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.458318][ T73] [ 6539.459998][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6539.460268][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.460268][ T73] dst_init+0x84/0x4a0 [ 6539.460268][ T73] dst_alloc+0x97/0x150 [ 6539.460268][ T73] ip6_dst_alloc+0x23/0x90 [ 6539.460268][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6539.460268][ T73] ip6_pol_route+0x56f/0x840 [ 6539.460268][ T73] fib6_rule_lookup+0x456/0x630 [ 6539.460268][ T73] ip6_route_input+0x59c/0xa50 [ 6539.460268][ T73] ipv6_rcv+0x397/0x810 [ 6539.460268][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6539.460268][ T73] process_backlog+0x101/0x620 [ 6539.460268][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6539.460268][ T73] net_rx_action+0x495/0xbe0 [ 6539.460268][ T73] __do_softirq+0x1b5/0x7f6 [ 6539.460268][ T73] [ 6539.461901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.461901][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.461901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.461901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.461901][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6539.461901][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6539.461901][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6539.461901][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6539.461901][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6539.461901][ T73] addrconf_dad_begin+0x310/0x670 [ 6539.461901][ T73] addrconf_dad_work+0x10b/0xab0 [ 6539.461901][ T73] process_one_work+0x84d/0x18a0 [ 6539.461901][ T73] worker_thread+0x587/0xd30 [ 6539.461901][ T73] kthread+0x28a/0x350 [ 6539.461901][ T73] ret_from_fork+0x31/0x70 [ 6539.461901][ T73] ret_from_fork_asm+0x1a/0x30 [ 6539.461901][ T73] [ 6539.463796][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.463796][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.463796][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.463796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.463796][ T73] ip6_route_add+0x1c/0x140 [ 6539.463796][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6539.463796][ T73] inet6_addr_add+0x4f8/0xa40 [ 6539.463796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.463796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.463796][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.463796][ T73] netlink_unicast+0x449/0x710 [ 6539.463796][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.463796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.463796][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.463796][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.463796][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.463796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.463796][ T73] [ 6539.465790][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.465790][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.465790][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.465790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.465790][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6539.465790][ T73] ipv6_add_addr+0x411/0x2000 [ 6539.465790][ T73] inet6_addr_add+0x30e/0xa40 [ 6539.465790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.465790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.465790][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.465790][ T73] netlink_unicast+0x449/0x710 [ 6539.465790][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.465790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.465790][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.465790][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.465790][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.465790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.465790][ T73] [ 6539.467778][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.467778][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.467778][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.467778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.467778][ T73] ip6_route_add+0x1c/0x140 [ 6539.467778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6539.467778][ T73] addrconf_add_dev+0xe2/0x170 [ 6539.467778][ T73] inet6_addr_add+0x12f/0xa40 [ 6539.467778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.467778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.467778][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.467778][ T73] netlink_unicast+0x449/0x710 [ 6539.467778][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.467778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.467778][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.467778][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.467778][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.467778][ T73] [ 6539.469745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.469745][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6539.469745][ T73] ipv6_find_idev+0x102/0x170 [ 6539.469745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.469745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.469745][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.469745][ T73] netlink_unicast+0x449/0x710 [ 6539.469745][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.469745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.469745][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.469745][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.469745][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.469745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.469745][ T73] [ 6539.471287][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6539.471287][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6539.471287][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6539.471287][ T73] ipv6_find_idev+0x102/0x170 [ 6539.471287][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.471287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.471287][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.471287][ T73] netlink_unicast+0x449/0x710 [ 6539.471287][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.471287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.471287][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.471287][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.471287][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.471287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.471287][ T73] [ 6539.473025][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6539.473361][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.473361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6539.473361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6539.473361][ T73] fib6_nh_init+0xa22/0x1580 [ 6539.473361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.473361][ T73] ip6_route_add+0x1c/0x140 [ 6539.473361][ T73] inet6_rtm_newroute+0x104/0x110 [ 6539.473361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.473361][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.473361][ T73] netlink_unicast+0x449/0x710 [ 6539.473361][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.473361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.473361][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.473361][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.473361][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.473361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.473361][ T73] [ 6539.475410][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.475410][ T73] dst_init+0x84/0x4a0 [ 6539.475410][ T73] dst_alloc+0x97/0x150 [ 6539.475410][ T73] ip6_dst_alloc+0x23/0x90 [ 6539.475410][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6539.475410][ T73] ip6_pol_route+0x56f/0x840 [ 6539.475410][ T73] fib6_rule_lookup+0x456/0x630 [ 6539.475410][ T73] ip6_route_input+0x59c/0xa50 [ 6539.475410][ T73] ipv6_rcv+0x397/0x810 [ 6539.475410][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6539.475410][ T73] process_backlog+0x101/0x620 [ 6539.475410][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6539.475410][ T73] net_rx_action+0x495/0xbe0 [ 6539.475410][ T73] __do_softirq+0x1b5/0x7f6 [ 6539.475410][ T73] [ 6539.477230][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.477230][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.477230][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.477230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.477230][ T73] ip6_route_add+0x1c/0x140 [ 6539.477230][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6539.477230][ T73] inet6_addr_add+0x4f8/0xa40 [ 6539.477230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.477230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.477230][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.477230][ T73] netlink_unicast+0x449/0x710 [ 6539.477230][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.477230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.477230][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.477230][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.477230][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.477230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.477230][ T73] [ 6539.479461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.479461][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.479461][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.479461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.479461][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6539.479461][ T73] ipv6_add_addr+0x411/0x2000 [ 6539.479461][ T73] inet6_addr_add+0x30e/0xa40 [ 6539.479461][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.479461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.479461][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.479461][ T73] netlink_unicast+0x449/0x710 [ 6539.479461][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.479461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.479461][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.479461][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.479461][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.479461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.479461][ T73] [ 6539.481640][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.481640][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.481640][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.481640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.481640][ T73] ip6_route_add+0x1c/0x140 [ 6539.481640][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6539.481640][ T73] addrconf_add_dev+0xe2/0x170 [ 6539.481640][ T73] inet6_addr_add+0x12f/0xa40 [ 6539.481640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.481640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.481640][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.481640][ T73] netlink_unicast+0x449/0x710 [ 6539.481640][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.481640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.481640][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.481640][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.481640][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.481640][ T73] [ 6539.483896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.483896][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6539.483896][ T73] ipv6_find_idev+0x102/0x170 [ 6539.483896][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.483896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.483896][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.483896][ T73] netlink_unicast+0x449/0x710 [ 6539.483896][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.483896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.483896][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.483896][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.483896][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.483896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.483896][ T73] [ 6539.485602][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6539.485602][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6539.485602][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6539.485602][ T73] ipv6_find_idev+0x102/0x170 [ 6539.485602][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.485602][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.485602][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.485602][ T73] netlink_unicast+0x449/0x710 [ 6539.485602][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.485602][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.485602][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.485602][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.485602][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.485602][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.485602][ T73] [ 6539.487461][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6539.487731][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6539.487731][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.487731][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.487731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.487731][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6539.487731][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6539.487731][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6539.487731][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6539.487731][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6539.487731][ T73] addrconf_dad_begin+0x310/0x670 [ 6539.487731][ T73] addrconf_dad_work+0x10b/0xab0 [ 6539.487731][ T73] process_one_work+0x84d/0x18a0 [ 6539.487731][ T73] worker_thread+0x587/0xd30 [ 6539.487731][ T73] kthread+0x28a/0x350 [ 6539.487731][ T73] ret_from_fork+0x31/0x70 [ 6539.487731][ T73] ret_from_fork_asm+0x1a/0x30 [ 6539.487731][ T73] [ 6539.489873][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6539.489873][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.489873][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.489873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.489873][ T73] ip6_route_add+0x1c/0x140 [ 6539.489873][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6539.489873][ T73] inet6_addr_add+0x4f8/0xa40 [ 6539.489873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.489873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.489873][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.489873][ T73] netlink_unicast+0x449/0x710 [ 6539.489873][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.489873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.489873][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.489873][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.489873][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.489873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.489873][ T73] [ 6539.492119][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6539.492119][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.492119][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.492119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.492119][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6539.492119][ T73] ipv6_add_addr+0x411/0x2000 [ 6539.492119][ T73] inet6_addr_add+0x30e/0xa40 [ 6539.492119][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.492119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.492119][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.492119][ T73] netlink_unicast+0x449/0x710 [ 6539.492119][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.492119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.492119][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.492119][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.492119][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.492119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.492119][ T73] [ 6539.494406][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6539.494406][ T73] netdev_get_by_index+0x5e/0x80 [ 6539.494406][ T73] fib6_nh_init+0x3d8/0x1580 [ 6539.494406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6539.494406][ T73] ip6_route_add+0x1c/0x140 [ 6539.494406][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6539.494406][ T73] addrconf_add_dev+0xe2/0x170 [ 6539.494406][ T73] inet6_addr_add+0x12f/0xa40 [ 6539.494406][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.494406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.494406][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.494406][ T73] netlink_unicast+0x449/0x710 [ 6539.494406][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.494406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.494406][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.494406][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.494406][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.494406][ T73] [ 6539.496614][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6539.496614][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6539.496614][ T73] ipv6_find_idev+0x102/0x170 [ 6539.496614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.496614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.496614][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.496614][ T73] netlink_unicast+0x449/0x710 [ 6539.496614][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.496614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.496614][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.496614][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.496614][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.496614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.496614][ T73] [ 6539.498260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6539.498260][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6539.498260][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6539.498260][ T73] ipv6_find_idev+0x102/0x170 [ 6539.498260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.498260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.498260][ T73] netlink_rcv_skb+0x130/0x360 [ 6539.498260][ T73] netlink_unicast+0x449/0x710 [ 6539.498260][ T73] netlink_sendmsg+0x723/0xbe0 [ 6539.498260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6539.498260][ T73] ___sys_sendmsg+0xee/0x170 [ 6539.498260][ T73] __sys_sendmsg+0xcd/0x170 [ 6539.498260][ T73] do_syscall_64+0xc6/0x1e0 [ 6539.498260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.498260][ T73] [ 6549.582889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6549.583327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.583327][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6549.583327][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6549.583327][ T73] fib6_nh_init+0xa22/0x1580 [ 6549.583327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.583327][ T73] ip6_route_add+0x1c/0x140 [ 6549.583327][ T73] inet6_rtm_newroute+0x104/0x110 [ 6549.583327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.583327][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.583327][ T73] netlink_unicast+0x449/0x710 [ 6549.583327][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.583327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.583327][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.583327][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.583327][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.583327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.583327][ T73] [ 6549.585224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.585224][ T73] dst_init+0x84/0x4a0 [ 6549.585224][ T73] dst_alloc+0x97/0x150 [ 6549.585224][ T73] ip6_dst_alloc+0x23/0x90 [ 6549.585224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6549.585224][ T73] ip6_pol_route+0x56f/0x840 [ 6549.585224][ T73] fib6_rule_lookup+0x456/0x630 [ 6549.585224][ T73] ip6_route_input+0x59c/0xa50 [ 6549.585224][ T73] ipv6_rcv+0x397/0x810 [ 6549.585224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6549.585224][ T73] process_backlog+0x101/0x620 [ 6549.585224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6549.585224][ T73] net_rx_action+0x495/0xbe0 [ 6549.585224][ T73] __do_softirq+0x1b5/0x7f6 [ 6549.585224][ T73] [ 6549.586855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.586855][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.586855][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.586855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.586855][ T73] ip6_route_add+0x1c/0x140 [ 6549.586855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6549.586855][ T73] inet6_addr_add+0x4f8/0xa40 [ 6549.586855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.586855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.586855][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.586855][ T73] netlink_unicast+0x449/0x710 [ 6549.586855][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.586855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.586855][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.586855][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.586855][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.586855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.586855][ T73] [ 6549.588855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.588855][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.588855][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.588855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.588855][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6549.588855][ T73] ipv6_add_addr+0x411/0x2000 [ 6549.588855][ T73] inet6_addr_add+0x30e/0xa40 [ 6549.588855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.588855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.588855][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.588855][ T73] netlink_unicast+0x449/0x710 [ 6549.588855][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.588855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.588855][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.588855][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.588855][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.588855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.588855][ T73] [ 6549.590854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.590854][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.590854][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.590854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.590854][ T73] ip6_route_add+0x1c/0x140 [ 6549.590854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6549.590854][ T73] addrconf_add_dev+0xe2/0x170 [ 6549.590854][ T73] inet6_addr_add+0x12f/0xa40 [ 6549.590854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.590854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.590854][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.590854][ T73] netlink_unicast+0x449/0x710 [ 6549.590854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.590854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.590854][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.590854][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.590854][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.590854][ T73] [ 6549.592806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.592806][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6549.592806][ T73] ipv6_find_idev+0x102/0x170 [ 6549.592806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.592806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.592806][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.592806][ T73] netlink_unicast+0x449/0x710 [ 6549.592806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.592806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.592806][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.592806][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.592806][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.592806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.592806][ T73] [ 6549.594335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6549.594335][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6549.594335][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6549.594335][ T73] ipv6_find_idev+0x102/0x170 [ 6549.594335][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.594335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.594335][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.594335][ T73] netlink_unicast+0x449/0x710 [ 6549.594335][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.594335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.594335][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.594335][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.594335][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.594335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.594335][ T73] [ 6549.596008][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6549.596274][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.596274][ T73] dst_init+0x84/0x4a0 [ 6549.596274][ T73] dst_alloc+0x97/0x150 [ 6549.596274][ T73] ip6_dst_alloc+0x23/0x90 [ 6549.596274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6549.596274][ T73] ip6_pol_route+0x56f/0x840 [ 6549.596274][ T73] fib6_rule_lookup+0x456/0x630 [ 6549.596274][ T73] ip6_route_input+0x59c/0xa50 [ 6549.596274][ T73] ipv6_rcv+0x397/0x810 [ 6549.596274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6549.596274][ T73] process_backlog+0x101/0x620 [ 6549.596274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6549.596274][ T73] net_rx_action+0x495/0xbe0 [ 6549.596274][ T73] __do_softirq+0x1b5/0x7f6 [ 6549.596274][ T73] [ 6549.597909][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.597909][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.597909][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.597909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.597909][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6549.597909][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6549.597909][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6549.597909][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6549.597909][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6549.597909][ T73] addrconf_dad_begin+0x310/0x670 [ 6549.597909][ T73] addrconf_dad_work+0x10b/0xab0 [ 6549.597909][ T73] process_one_work+0x84d/0x18a0 [ 6549.597909][ T73] worker_thread+0x587/0xd30 [ 6549.597909][ T73] kthread+0x28a/0x350 [ 6549.597909][ T73] ret_from_fork+0x31/0x70 [ 6549.597909][ T73] ret_from_fork_asm+0x1a/0x30 [ 6549.597909][ T73] [ 6549.599756][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.599756][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.599756][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.599756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.599756][ T73] ip6_route_add+0x1c/0x140 [ 6549.599756][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6549.599756][ T73] inet6_addr_add+0x4f8/0xa40 [ 6549.599756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.599756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.599756][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.599756][ T73] netlink_unicast+0x449/0x710 [ 6549.599756][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.599756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.599756][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.599756][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.599756][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.599756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.599756][ T73] [ 6549.601762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.601762][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.601762][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.601762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.601762][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6549.601762][ T73] ipv6_add_addr+0x411/0x2000 [ 6549.601762][ T73] inet6_addr_add+0x30e/0xa40 [ 6549.601762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.601762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.601762][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.601762][ T73] netlink_unicast+0x449/0x710 [ 6549.601762][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.601762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.601762][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.601762][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.601762][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.601762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.601762][ T73] [ 6549.603763][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.603763][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.603763][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.603763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.603763][ T73] ip6_route_add+0x1c/0x140 [ 6549.603763][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6549.603763][ T73] addrconf_add_dev+0xe2/0x170 [ 6549.603763][ T73] inet6_addr_add+0x12f/0xa40 [ 6549.603763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.603763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.603763][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.603763][ T73] netlink_unicast+0x449/0x710 [ 6549.603763][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.603763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.603763][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.603763][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.603763][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.603763][ T73] [ 6549.605746][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.605746][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6549.605746][ T73] ipv6_find_idev+0x102/0x170 [ 6549.605746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.605746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.605746][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.605746][ T73] netlink_unicast+0x449/0x710 [ 6549.605746][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.605746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.605746][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.605746][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.605746][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.605746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.605746][ T73] [ 6549.607277][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6549.607277][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6549.607277][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6549.607277][ T73] ipv6_find_idev+0x102/0x170 [ 6549.607277][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.607277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.607277][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.607277][ T73] netlink_unicast+0x449/0x710 [ 6549.607277][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.607277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.607277][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.607277][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.607277][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.607277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.607277][ T73] [ 6549.609025][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6549.609356][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.609356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6549.609356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6549.609356][ T73] fib6_nh_init+0xa22/0x1580 [ 6549.609356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.609356][ T73] ip6_route_add+0x1c/0x140 [ 6549.609356][ T73] inet6_rtm_newroute+0x104/0x110 [ 6549.609356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.609356][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.609356][ T73] netlink_unicast+0x449/0x710 [ 6549.609356][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.609356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.609356][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.609356][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.609356][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.609356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.609356][ T73] [ 6549.611418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.611418][ T73] dst_init+0x84/0x4a0 [ 6549.611418][ T73] dst_alloc+0x97/0x150 [ 6549.611418][ T73] ip6_dst_alloc+0x23/0x90 [ 6549.611418][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6549.611418][ T73] ip6_pol_route+0x56f/0x840 [ 6549.611418][ T73] fib6_rule_lookup+0x456/0x630 [ 6549.611418][ T73] ip6_route_input+0x59c/0xa50 [ 6549.611418][ T73] ipv6_rcv+0x397/0x810 [ 6549.611418][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6549.611418][ T73] process_backlog+0x101/0x620 [ 6549.611418][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6549.611418][ T73] net_rx_action+0x495/0xbe0 [ 6549.611418][ T73] __do_softirq+0x1b5/0x7f6 [ 6549.611418][ T73] [ 6549.613227][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.613227][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.613227][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.613227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.613227][ T73] ip6_route_add+0x1c/0x140 [ 6549.613227][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6549.613227][ T73] inet6_addr_add+0x4f8/0xa40 [ 6549.613227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.613227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.613227][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.613227][ T73] netlink_unicast+0x449/0x710 [ 6549.613227][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.613227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.613227][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.613227][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.613227][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.613227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.613227][ T73] [ 6549.615457][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.615457][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.615457][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.615457][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.615457][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6549.615457][ T73] ipv6_add_addr+0x411/0x2000 [ 6549.615457][ T73] inet6_addr_add+0x30e/0xa40 [ 6549.615457][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.615457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.615457][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.615457][ T73] netlink_unicast+0x449/0x710 [ 6549.615457][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.615457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.615457][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.615457][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.615457][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.615457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.615457][ T73] [ 6549.617635][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.617635][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.617635][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.617635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.617635][ T73] ip6_route_add+0x1c/0x140 [ 6549.617635][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6549.617635][ T73] addrconf_add_dev+0xe2/0x170 [ 6549.617635][ T73] inet6_addr_add+0x12f/0xa40 [ 6549.617635][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.617635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.617635][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.617635][ T73] netlink_unicast+0x449/0x710 [ 6549.617635][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.617635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.617635][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.617635][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.617635][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.617635][ T73] [ 6549.619894][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.619894][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6549.619894][ T73] ipv6_find_idev+0x102/0x170 [ 6549.619894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.619894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.619894][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.619894][ T73] netlink_unicast+0x449/0x710 [ 6549.619894][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.619894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.619894][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.619894][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.619894][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.619894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.619894][ T73] [ 6549.621614][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6549.621614][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6549.621614][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6549.621614][ T73] ipv6_find_idev+0x102/0x170 [ 6549.621614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.621614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.621614][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.621614][ T73] netlink_unicast+0x449/0x710 [ 6549.621614][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.621614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.621614][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.621614][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.621614][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.621614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.621614][ T73] [ 6549.623471][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6549.623737][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6549.623737][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.623737][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.623737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.623737][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6549.623737][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6549.623737][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6549.623737][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6549.623737][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6549.623737][ T73] addrconf_dad_begin+0x310/0x670 [ 6549.623737][ T73] addrconf_dad_work+0x10b/0xab0 [ 6549.623737][ T73] process_one_work+0x84d/0x18a0 [ 6549.623737][ T73] worker_thread+0x587/0xd30 [ 6549.623737][ T73] kthread+0x28a/0x350 [ 6549.623737][ T73] ret_from_fork+0x31/0x70 [ 6549.623737][ T73] ret_from_fork_asm+0x1a/0x30 [ 6549.623737][ T73] [ 6549.625877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6549.625877][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.625877][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.625877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.625877][ T73] ip6_route_add+0x1c/0x140 [ 6549.625877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6549.625877][ T73] inet6_addr_add+0x4f8/0xa40 [ 6549.625877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.625877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.625877][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.625877][ T73] netlink_unicast+0x449/0x710 [ 6549.625877][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.625877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.625877][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.625877][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.625877][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.625877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.625877][ T73] [ 6549.628108][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6549.628108][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.628108][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.628108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.628108][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6549.628108][ T73] ipv6_add_addr+0x411/0x2000 [ 6549.628108][ T73] inet6_addr_add+0x30e/0xa40 [ 6549.628108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.628108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.628108][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.628108][ T73] netlink_unicast+0x449/0x710 [ 6549.628108][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.628108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.628108][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.628108][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.628108][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.628108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.628108][ T73] [ 6549.630412][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6549.630412][ T73] netdev_get_by_index+0x5e/0x80 [ 6549.630412][ T73] fib6_nh_init+0x3d8/0x1580 [ 6549.630412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6549.630412][ T73] ip6_route_add+0x1c/0x140 [ 6549.630412][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6549.630412][ T73] addrconf_add_dev+0xe2/0x170 [ 6549.630412][ T73] inet6_addr_add+0x12f/0xa40 [ 6549.630412][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.630412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.630412][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.630412][ T73] netlink_unicast+0x449/0x710 [ 6549.630412][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.630412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.630412][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.630412][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.630412][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.630412][ T73] [ 6549.633131][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6549.633131][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6549.633131][ T73] ipv6_find_idev+0x102/0x170 [ 6549.633131][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.633131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.633131][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.633131][ T73] netlink_unicast+0x449/0x710 [ 6549.633131][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.633131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.633131][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.633131][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.633131][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.633131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.633131][ T73] [ 6549.634786][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6549.634786][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6549.634786][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6549.634786][ T73] ipv6_find_idev+0x102/0x170 [ 6549.634786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.634786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.634786][ T73] netlink_rcv_skb+0x130/0x360 [ 6549.634786][ T73] netlink_unicast+0x449/0x710 [ 6549.634786][ T73] netlink_sendmsg+0x723/0xbe0 [ 6549.634786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6549.634786][ T73] ___sys_sendmsg+0xee/0x170 [ 6549.634786][ T73] __sys_sendmsg+0xcd/0x170 [ 6549.634786][ T73] do_syscall_64+0xc6/0x1e0 [ 6549.634786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.634786][ T73] [ 6559.846890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6559.847351][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.847351][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6559.847351][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6559.847351][ T73] fib6_nh_init+0xa22/0x1580 [ 6559.847351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.847351][ T73] ip6_route_add+0x1c/0x140 [ 6559.847351][ T73] inet6_rtm_newroute+0x104/0x110 [ 6559.847351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.847351][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.847351][ T73] netlink_unicast+0x449/0x710 [ 6559.847351][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.847351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.847351][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.847351][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.847351][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.847351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.847351][ T73] [ 6559.849231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.849231][ T73] dst_init+0x84/0x4a0 [ 6559.849231][ T73] dst_alloc+0x97/0x150 [ 6559.849231][ T73] ip6_dst_alloc+0x23/0x90 [ 6559.849231][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6559.849231][ T73] ip6_pol_route+0x56f/0x840 [ 6559.849231][ T73] fib6_rule_lookup+0x456/0x630 [ 6559.849231][ T73] ip6_route_input+0x59c/0xa50 [ 6559.849231][ T73] ipv6_rcv+0x397/0x810 [ 6559.849231][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6559.849231][ T73] process_backlog+0x101/0x620 [ 6559.849231][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6559.849231][ T73] net_rx_action+0x495/0xbe0 [ 6559.849231][ T73] __do_softirq+0x1b5/0x7f6 [ 6559.849231][ T73] [ 6559.850876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.850876][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.850876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.850876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.850876][ T73] ip6_route_add+0x1c/0x140 [ 6559.850876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6559.850876][ T73] inet6_addr_add+0x4f8/0xa40 [ 6559.850876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.850876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.850876][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.850876][ T73] netlink_unicast+0x449/0x710 [ 6559.850876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.850876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.850876][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.850876][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.850876][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.850876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.850876][ T73] [ 6559.852870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.852870][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.852870][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.852870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.852870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6559.852870][ T73] ipv6_add_addr+0x411/0x2000 [ 6559.852870][ T73] inet6_addr_add+0x30e/0xa40 [ 6559.852870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.852870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.852870][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.852870][ T73] netlink_unicast+0x449/0x710 [ 6559.852870][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.852870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.852870][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.852870][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.852870][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.852870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.852870][ T73] [ 6559.854861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.854861][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.854861][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.854861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.854861][ T73] ip6_route_add+0x1c/0x140 [ 6559.854861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6559.854861][ T73] addrconf_add_dev+0xe2/0x170 [ 6559.854861][ T73] inet6_addr_add+0x12f/0xa40 [ 6559.854861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.854861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.854861][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.854861][ T73] netlink_unicast+0x449/0x710 [ 6559.854861][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.854861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.854861][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.854861][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.854861][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.854861][ T73] [ 6559.856814][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.856814][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6559.856814][ T73] ipv6_find_idev+0x102/0x170 [ 6559.856814][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.856814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.856814][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.856814][ T73] netlink_unicast+0x449/0x710 [ 6559.856814][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.856814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.856814][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.856814][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.856814][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.856814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.856814][ T73] [ 6559.858342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6559.858342][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6559.858342][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6559.858342][ T73] ipv6_find_idev+0x102/0x170 [ 6559.858342][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.858342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.858342][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.858342][ T73] netlink_unicast+0x449/0x710 [ 6559.858342][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.858342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.858342][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.858342][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.858342][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.858342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.858342][ T73] [ 6559.860021][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6559.860293][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.860293][ T73] dst_init+0x84/0x4a0 [ 6559.860293][ T73] dst_alloc+0x97/0x150 [ 6559.860293][ T73] ip6_dst_alloc+0x23/0x90 [ 6559.860293][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6559.860293][ T73] ip6_pol_route+0x56f/0x840 [ 6559.860293][ T73] fib6_rule_lookup+0x456/0x630 [ 6559.860293][ T73] ip6_route_input+0x59c/0xa50 [ 6559.860293][ T73] ipv6_rcv+0x397/0x810 [ 6559.860293][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6559.860293][ T73] process_backlog+0x101/0x620 [ 6559.860293][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6559.860293][ T73] net_rx_action+0x495/0xbe0 [ 6559.860293][ T73] __do_softirq+0x1b5/0x7f6 [ 6559.860293][ T73] [ 6559.861929][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.861929][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.861929][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.861929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.861929][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6559.861929][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6559.861929][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6559.861929][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6559.861929][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6559.861929][ T73] addrconf_dad_begin+0x310/0x670 [ 6559.861929][ T73] addrconf_dad_work+0x10b/0xab0 [ 6559.861929][ T73] process_one_work+0x84d/0x18a0 [ 6559.861929][ T73] worker_thread+0x587/0xd30 [ 6559.861929][ T73] kthread+0x28a/0x350 [ 6559.861929][ T73] ret_from_fork+0x31/0x70 [ 6559.861929][ T73] ret_from_fork_asm+0x1a/0x30 [ 6559.861929][ T73] [ 6559.863823][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.863823][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.863823][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.863823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.863823][ T73] ip6_route_add+0x1c/0x140 [ 6559.863823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6559.863823][ T73] inet6_addr_add+0x4f8/0xa40 [ 6559.863823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.863823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.863823][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.863823][ T73] netlink_unicast+0x449/0x710 [ 6559.863823][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.863823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.863823][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.863823][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.863823][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.863823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.863823][ T73] [ 6559.865822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.865822][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.865822][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.865822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.865822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6559.865822][ T73] ipv6_add_addr+0x411/0x2000 [ 6559.865822][ T73] inet6_addr_add+0x30e/0xa40 [ 6559.865822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.865822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.865822][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.865822][ T73] netlink_unicast+0x449/0x710 [ 6559.865822][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.865822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.865822][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.865822][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.865822][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.865822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.865822][ T73] [ 6559.867813][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.867813][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.867813][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.867813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.867813][ T73] ip6_route_add+0x1c/0x140 [ 6559.867813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6559.867813][ T73] addrconf_add_dev+0xe2/0x170 [ 6559.867813][ T73] inet6_addr_add+0x12f/0xa40 [ 6559.867813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.867813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.867813][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.867813][ T73] netlink_unicast+0x449/0x710 [ 6559.867813][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.867813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.867813][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.867813][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.867813][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.867813][ T73] [ 6559.869760][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.869760][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6559.869760][ T73] ipv6_find_idev+0x102/0x170 [ 6559.869760][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.869760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.869760][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.869760][ T73] netlink_unicast+0x449/0x710 [ 6559.869760][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.869760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.869760][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.869760][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.869760][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.869760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.869760][ T73] [ 6559.871294][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6559.871294][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6559.871294][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6559.871294][ T73] ipv6_find_idev+0x102/0x170 [ 6559.871294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.871294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.871294][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.871294][ T73] netlink_unicast+0x449/0x710 [ 6559.871294][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.871294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.871294][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.871294][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.871294][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.871294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.871294][ T73] [ 6559.873105][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6559.873372][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.873372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6559.873372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6559.873372][ T73] fib6_nh_init+0xa22/0x1580 [ 6559.873372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.873372][ T73] ip6_route_add+0x1c/0x140 [ 6559.873372][ T73] inet6_rtm_newroute+0x104/0x110 [ 6559.873372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.873372][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.873372][ T73] netlink_unicast+0x449/0x710 [ 6559.873372][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.873372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.873372][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.873372][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.873372][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.873372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.873372][ T73] [ 6559.875541][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.875541][ T73] dst_init+0x84/0x4a0 [ 6559.875541][ T73] dst_alloc+0x97/0x150 [ 6559.875541][ T73] ip6_dst_alloc+0x23/0x90 [ 6559.875541][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6559.875541][ T73] ip6_pol_route+0x56f/0x840 [ 6559.875541][ T73] fib6_rule_lookup+0x456/0x630 [ 6559.875541][ T73] ip6_route_input+0x59c/0xa50 [ 6559.875541][ T73] ipv6_rcv+0x397/0x810 [ 6559.875541][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6559.875541][ T73] process_backlog+0x101/0x620 [ 6559.875541][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6559.875541][ T73] net_rx_action+0x495/0xbe0 [ 6559.875541][ T73] __do_softirq+0x1b5/0x7f6 [ 6559.875541][ T73] [ 6559.877348][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.877348][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.877348][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.877348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.877348][ T73] ip6_route_add+0x1c/0x140 [ 6559.877348][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6559.877348][ T73] inet6_addr_add+0x4f8/0xa40 [ 6559.877348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.877348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.877348][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.877348][ T73] netlink_unicast+0x449/0x710 [ 6559.877348][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.877348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.877348][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.877348][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.877348][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.877348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.877348][ T73] [ 6559.879572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.879572][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.879572][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.879572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.879572][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6559.879572][ T73] ipv6_add_addr+0x411/0x2000 [ 6559.879572][ T73] inet6_addr_add+0x30e/0xa40 [ 6559.879572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.879572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.879572][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.879572][ T73] netlink_unicast+0x449/0x710 [ 6559.879572][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.879572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.879572][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.879572][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.879572][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.879572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.879572][ T73] [ 6559.881803][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.881803][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.881803][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.881803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.881803][ T73] ip6_route_add+0x1c/0x140 [ 6559.881803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6559.881803][ T73] addrconf_add_dev+0xe2/0x170 [ 6559.881803][ T73] inet6_addr_add+0x12f/0xa40 [ 6559.881803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.881803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.881803][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.881803][ T73] netlink_unicast+0x449/0x710 [ 6559.881803][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.881803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.881803][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.881803][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.881803][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.881803][ T73] [ 6559.883995][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.883995][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6559.883995][ T73] ipv6_find_idev+0x102/0x170 [ 6559.883995][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.883995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.883995][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.883995][ T73] netlink_unicast+0x449/0x710 [ 6559.883995][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.883995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.883995][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.883995][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.883995][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.883995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.883995][ T73] [ 6559.885706][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6559.885706][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6559.885706][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6559.885706][ T73] ipv6_find_idev+0x102/0x170 [ 6559.885706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.885706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.885706][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.885706][ T73] netlink_unicast+0x449/0x710 [ 6559.885706][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.885706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.885706][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.885706][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.885706][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.885706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.885706][ T73] [ 6559.887621][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6559.888320][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6559.888320][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.888320][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.888320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.888320][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6559.888320][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6559.888320][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6559.888320][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6559.888320][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6559.888320][ T73] addrconf_dad_begin+0x310/0x670 [ 6559.888320][ T73] addrconf_dad_work+0x10b/0xab0 [ 6559.888320][ T73] process_one_work+0x84d/0x18a0 [ 6559.888320][ T73] worker_thread+0x587/0xd30 [ 6559.888320][ T73] kthread+0x28a/0x350 [ 6559.888320][ T73] ret_from_fork+0x31/0x70 [ 6559.888320][ T73] ret_from_fork_asm+0x1a/0x30 [ 6559.888320][ T73] [ 6559.890333][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6559.890333][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.890333][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.890333][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.890333][ T73] ip6_route_add+0x1c/0x140 [ 6559.890333][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6559.890333][ T73] inet6_addr_add+0x4f8/0xa40 [ 6559.890333][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.890333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.890333][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.890333][ T73] netlink_unicast+0x449/0x710 [ 6559.890333][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.890333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.890333][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.890333][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.890333][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.890333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.890333][ T73] [ 6559.892462][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6559.892462][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.892462][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.892462][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.892462][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6559.892462][ T73] ipv6_add_addr+0x411/0x2000 [ 6559.892462][ T73] inet6_addr_add+0x30e/0xa40 [ 6559.892462][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.892462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.892462][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.892462][ T73] netlink_unicast+0x449/0x710 [ 6559.892462][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.892462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.892462][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.892462][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.892462][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.892462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.892462][ T73] [ 6559.894805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6559.894805][ T73] netdev_get_by_index+0x5e/0x80 [ 6559.894805][ T73] fib6_nh_init+0x3d8/0x1580 [ 6559.894805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6559.894805][ T73] ip6_route_add+0x1c/0x140 [ 6559.894805][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6559.894805][ T73] addrconf_add_dev+0xe2/0x170 [ 6559.894805][ T73] inet6_addr_add+0x12f/0xa40 [ 6559.894805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.894805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.894805][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.894805][ T73] netlink_unicast+0x449/0x710 [ 6559.894805][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.894805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.894805][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.894805][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.894805][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.894805][ T73] [ 6559.897248][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6559.897248][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6559.897248][ T73] ipv6_find_idev+0x102/0x170 [ 6559.897248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.897248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.897248][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.897248][ T73] netlink_unicast+0x449/0x710 [ 6559.897248][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.897248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.897248][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.897248][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.897248][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.897248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.897248][ T73] [ 6559.899028][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6559.899028][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6559.899028][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6559.899028][ T73] ipv6_find_idev+0x102/0x170 [ 6559.899028][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.899028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.899028][ T73] netlink_rcv_skb+0x130/0x360 [ 6559.899028][ T73] netlink_unicast+0x449/0x710 [ 6559.899028][ T73] netlink_sendmsg+0x723/0xbe0 [ 6559.899028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6559.899028][ T73] ___sys_sendmsg+0xee/0x170 [ 6559.899028][ T73] __sys_sendmsg+0xcd/0x170 [ 6559.899028][ T73] do_syscall_64+0xc6/0x1e0 [ 6559.899028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.899028][ T73] [ 6570.142939][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6570.143369][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.143369][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6570.143369][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6570.143369][ T73] fib6_nh_init+0xa22/0x1580 [ 6570.143369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.143369][ T73] ip6_route_add+0x1c/0x140 [ 6570.143369][ T73] inet6_rtm_newroute+0x104/0x110 [ 6570.143369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.143369][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.143369][ T73] netlink_unicast+0x449/0x710 [ 6570.143369][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.143369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.143369][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.143369][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.143369][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.143369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.143369][ T73] [ 6570.145419][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.145419][ T73] dst_init+0x84/0x4a0 [ 6570.145419][ T73] dst_alloc+0x97/0x150 [ 6570.145419][ T73] ip6_dst_alloc+0x23/0x90 [ 6570.145419][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6570.145419][ T73] ip6_pol_route+0x56f/0x840 [ 6570.145419][ T73] fib6_rule_lookup+0x456/0x630 [ 6570.145419][ T73] ip6_route_input+0x59c/0xa50 [ 6570.145419][ T73] ipv6_rcv+0x397/0x810 [ 6570.145419][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6570.145419][ T73] process_backlog+0x101/0x620 [ 6570.145419][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6570.145419][ T73] net_rx_action+0x495/0xbe0 [ 6570.145419][ T73] __do_softirq+0x1b5/0x7f6 [ 6570.145419][ T73] [ 6570.147210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.147210][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.147210][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.147210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.147210][ T73] ip6_route_add+0x1c/0x140 [ 6570.147210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6570.147210][ T73] inet6_addr_add+0x4f8/0xa40 [ 6570.147210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.147210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.147210][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.147210][ T73] netlink_unicast+0x449/0x710 [ 6570.147210][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.147210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.147210][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.147210][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.147210][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.147210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.147210][ T73] [ 6570.149396][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.149396][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.149396][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.149396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.149396][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6570.149396][ T73] ipv6_add_addr+0x411/0x2000 [ 6570.149396][ T73] inet6_addr_add+0x30e/0xa40 [ 6570.149396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.149396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.149396][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.149396][ T73] netlink_unicast+0x449/0x710 [ 6570.149396][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.149396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.149396][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.149396][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.149396][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.149396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.149396][ T73] [ 6570.151582][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.151582][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.151582][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.151582][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.151582][ T73] ip6_route_add+0x1c/0x140 [ 6570.151582][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6570.151582][ T73] addrconf_add_dev+0xe2/0x170 [ 6570.151582][ T73] inet6_addr_add+0x12f/0xa40 [ 6570.151582][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.151582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.151582][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.151582][ T73] netlink_unicast+0x449/0x710 [ 6570.151582][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.151582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.151582][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.151582][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.151582][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.151582][ T73] [ 6570.153722][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.153722][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6570.153722][ T73] ipv6_find_idev+0x102/0x170 [ 6570.153722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.153722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.153722][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.153722][ T73] netlink_unicast+0x449/0x710 [ 6570.153722][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.153722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.153722][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.153722][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.153722][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.153722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.153722][ T73] [ 6570.155385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6570.155385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6570.155385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6570.155385][ T73] ipv6_find_idev+0x102/0x170 [ 6570.155385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.155385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.155385][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.155385][ T73] netlink_unicast+0x449/0x710 [ 6570.155385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.155385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.155385][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.155385][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.155385][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.155385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.155385][ T73] [ 6570.157188][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6570.157478][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.157478][ T73] dst_init+0x84/0x4a0 [ 6570.157478][ T73] dst_alloc+0x97/0x150 [ 6570.157478][ T73] ip6_dst_alloc+0x23/0x90 [ 6570.157478][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6570.157478][ T73] ip6_pol_route+0x56f/0x840 [ 6570.157478][ T73] fib6_rule_lookup+0x456/0x630 [ 6570.157478][ T73] ip6_route_input+0x59c/0xa50 [ 6570.157478][ T73] ipv6_rcv+0x397/0x810 [ 6570.157478][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6570.157478][ T73] process_backlog+0x101/0x620 [ 6570.157478][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6570.157478][ T73] net_rx_action+0x495/0xbe0 [ 6570.157478][ T73] __do_softirq+0x1b5/0x7f6 [ 6570.157478][ T73] [ 6570.159237][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.159237][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.159237][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.159237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.159237][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6570.159237][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6570.159237][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6570.159237][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6570.159237][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6570.159237][ T73] addrconf_dad_begin+0x310/0x670 [ 6570.159237][ T73] addrconf_dad_work+0x10b/0xab0 [ 6570.159237][ T73] process_one_work+0x84d/0x18a0 [ 6570.159237][ T73] worker_thread+0x587/0xd30 [ 6570.159237][ T73] kthread+0x28a/0x350 [ 6570.159237][ T73] ret_from_fork+0x31/0x70 [ 6570.159237][ T73] ret_from_fork_asm+0x1a/0x30 [ 6570.159237][ T73] [ 6570.161321][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.161321][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.161321][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.161321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.161321][ T73] ip6_route_add+0x1c/0x140 [ 6570.161321][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6570.161321][ T73] inet6_addr_add+0x4f8/0xa40 [ 6570.161321][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.161321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.161321][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.161321][ T73] netlink_unicast+0x449/0x710 [ 6570.161321][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.161321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.161321][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.161321][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.161321][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.161321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.161321][ T73] [ 6570.163503][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.163503][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.163503][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.163503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.163503][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6570.163503][ T73] ipv6_add_addr+0x411/0x2000 [ 6570.163503][ T73] inet6_addr_add+0x30e/0xa40 [ 6570.163503][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.163503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.163503][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.163503][ T73] netlink_unicast+0x449/0x710 [ 6570.163503][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.163503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.163503][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.163503][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.163503][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.163503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.163503][ T73] [ 6570.165674][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.165674][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.165674][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.165674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.165674][ T73] ip6_route_add+0x1c/0x140 [ 6570.165674][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6570.165674][ T73] addrconf_add_dev+0xe2/0x170 [ 6570.165674][ T73] inet6_addr_add+0x12f/0xa40 [ 6570.165674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.165674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.165674][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.165674][ T73] netlink_unicast+0x449/0x710 [ 6570.165674][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.165674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.165674][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.165674][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.165674][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.165674][ T73] [ 6570.167816][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.167816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6570.167816][ T73] ipv6_find_idev+0x102/0x170 [ 6570.167816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.167816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.167816][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.167816][ T73] netlink_unicast+0x449/0x710 [ 6570.167816][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.167816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.167816][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.167816][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.167816][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.167816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.167816][ T73] [ 6570.169491][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6570.169491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6570.169491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6570.169491][ T73] ipv6_find_idev+0x102/0x170 [ 6570.169491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.169491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.169491][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.169491][ T73] netlink_unicast+0x449/0x710 [ 6570.169491][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.169491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.169491][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.169491][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.169491][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.169491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.169491][ T73] [ 6570.171450][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6570.171740][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.171740][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6570.171740][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6570.171740][ T73] fib6_nh_init+0xa22/0x1580 [ 6570.171740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.171740][ T73] ip6_route_add+0x1c/0x140 [ 6570.171740][ T73] inet6_rtm_newroute+0x104/0x110 [ 6570.171740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.171740][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.171740][ T73] netlink_unicast+0x449/0x710 [ 6570.171740][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.171740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.171740][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.171740][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.171740][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.171740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.171740][ T73] [ 6570.174027][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.174027][ T73] dst_init+0x84/0x4a0 [ 6570.174027][ T73] dst_alloc+0x97/0x150 [ 6570.174027][ T73] ip6_dst_alloc+0x23/0x90 [ 6570.174027][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6570.174027][ T73] ip6_pol_route+0x56f/0x840 [ 6570.174027][ T73] fib6_rule_lookup+0x456/0x630 [ 6570.174027][ T73] ip6_route_input+0x59c/0xa50 [ 6570.174027][ T73] ipv6_rcv+0x397/0x810 [ 6570.174027][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6570.174027][ T73] process_backlog+0x101/0x620 [ 6570.174027][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6570.174027][ T73] net_rx_action+0x495/0xbe0 [ 6570.174027][ T73] __do_softirq+0x1b5/0x7f6 [ 6570.174027][ T73] [ 6570.175987][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.175987][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.175987][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.175987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.175987][ T73] ip6_route_add+0x1c/0x140 [ 6570.175987][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6570.175987][ T73] inet6_addr_add+0x4f8/0xa40 [ 6570.175987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.175987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.175987][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.175987][ T73] netlink_unicast+0x449/0x710 [ 6570.175987][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.175987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.175987][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.175987][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.175987][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.175987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.175987][ T73] [ 6570.178411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.178411][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.178411][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.178411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.178411][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6570.178411][ T73] ipv6_add_addr+0x411/0x2000 [ 6570.178411][ T73] inet6_addr_add+0x30e/0xa40 [ 6570.178411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.178411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.178411][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.178411][ T73] netlink_unicast+0x449/0x710 [ 6570.178411][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.178411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.178411][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.178411][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.178411][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.178411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.178411][ T73] [ 6570.180876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.180876][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.180876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.180876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.180876][ T73] ip6_route_add+0x1c/0x140 [ 6570.180876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6570.180876][ T73] addrconf_add_dev+0xe2/0x170 [ 6570.180876][ T73] inet6_addr_add+0x12f/0xa40 [ 6570.180876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.180876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.180876][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.180876][ T73] netlink_unicast+0x449/0x710 [ 6570.180876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.180876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.180876][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.180876][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.180876][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.180876][ T73] [ 6570.183189][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.183189][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6570.183189][ T73] ipv6_find_idev+0x102/0x170 [ 6570.183189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.183189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.183189][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.183189][ T73] netlink_unicast+0x449/0x710 [ 6570.183189][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.183189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.183189][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.183189][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.183189][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.183189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.183189][ T73] [ 6570.185040][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6570.185040][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6570.185040][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6570.185040][ T73] ipv6_find_idev+0x102/0x170 [ 6570.185040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.185040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.185040][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.185040][ T73] netlink_unicast+0x449/0x710 [ 6570.185040][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.185040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.185040][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.185040][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.185040][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.185040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.185040][ T73] [ 6570.187101][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6570.187393][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6570.187393][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.187393][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.187393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.187393][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6570.187393][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6570.187393][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6570.187393][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6570.187393][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6570.187393][ T73] addrconf_dad_begin+0x310/0x670 [ 6570.187393][ T73] addrconf_dad_work+0x10b/0xab0 [ 6570.187393][ T73] process_one_work+0x84d/0x18a0 [ 6570.187393][ T73] worker_thread+0x587/0xd30 [ 6570.187393][ T73] kthread+0x28a/0x350 [ 6570.187393][ T73] ret_from_fork+0x31/0x70 [ 6570.187393][ T73] ret_from_fork_asm+0x1a/0x30 [ 6570.187393][ T73] [ 6570.189771][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6570.189771][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.189771][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.189771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.189771][ T73] ip6_route_add+0x1c/0x140 [ 6570.189771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6570.189771][ T73] inet6_addr_add+0x4f8/0xa40 [ 6570.189771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.189771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.189771][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.189771][ T73] netlink_unicast+0x449/0x710 [ 6570.189771][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.189771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.189771][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.189771][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.189771][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.189771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.189771][ T73] [ 6570.192196][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6570.192196][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.192196][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.192196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.192196][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6570.192196][ T73] ipv6_add_addr+0x411/0x2000 [ 6570.192196][ T73] inet6_addr_add+0x30e/0xa40 [ 6570.192196][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.192196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.192196][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.192196][ T73] netlink_unicast+0x449/0x710 [ 6570.192196][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.192196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.192196][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.192196][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.192196][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.192196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.192196][ T73] [ 6570.194365][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6570.194365][ T73] netdev_get_by_index+0x5e/0x80 [ 6570.194365][ T73] fib6_nh_init+0x3d8/0x1580 [ 6570.194365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6570.194365][ T73] ip6_route_add+0x1c/0x140 [ 6570.194365][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6570.194365][ T73] addrconf_add_dev+0xe2/0x170 [ 6570.194365][ T73] inet6_addr_add+0x12f/0xa40 [ 6570.194365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.194365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.194365][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.194365][ T73] netlink_unicast+0x449/0x710 [ 6570.194365][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.194365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.194365][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.194365][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.194365][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.194365][ T73] [ 6570.196560][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6570.196560][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6570.196560][ T73] ipv6_find_idev+0x102/0x170 [ 6570.196560][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.196560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.196560][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.196560][ T73] netlink_unicast+0x449/0x710 [ 6570.196560][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.196560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.196560][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.196560][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.196560][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.196560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.196560][ T73] [ 6570.198295][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6570.198295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6570.198295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6570.198295][ T73] ipv6_find_idev+0x102/0x170 [ 6570.198295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.198295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.198295][ T73] netlink_rcv_skb+0x130/0x360 [ 6570.198295][ T73] netlink_unicast+0x449/0x710 [ 6570.198295][ T73] netlink_sendmsg+0x723/0xbe0 [ 6570.198295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6570.198295][ T73] ___sys_sendmsg+0xee/0x170 [ 6570.198295][ T73] __sys_sendmsg+0xcd/0x170 [ 6570.198295][ T73] do_syscall_64+0xc6/0x1e0 [ 6570.198295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.198295][ T73] [ 6580.438988][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6580.439610][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.439610][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6580.439610][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6580.439610][ T73] fib6_nh_init+0xa22/0x1580 [ 6580.439610][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.439610][ T73] ip6_route_add+0x1c/0x140 [ 6580.439610][ T73] inet6_rtm_newroute+0x104/0x110 [ 6580.439610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.439610][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.439610][ T73] netlink_unicast+0x449/0x710 [ 6580.439610][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.439610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.439610][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.439610][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.439610][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.439610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.439610][ T73] [ 6580.442494][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.442494][ T73] dst_init+0x84/0x4a0 [ 6580.442494][ T73] dst_alloc+0x97/0x150 [ 6580.442494][ T73] ip6_dst_alloc+0x23/0x90 [ 6580.442494][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6580.442494][ T73] ip6_pol_route+0x56f/0x840 [ 6580.442494][ T73] fib6_rule_lookup+0x456/0x630 [ 6580.442494][ T73] ip6_route_input+0x59c/0xa50 [ 6580.442494][ T73] ipv6_rcv+0x397/0x810 [ 6580.442494][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6580.442494][ T73] process_backlog+0x101/0x620 [ 6580.442494][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6580.442494][ T73] net_rx_action+0x495/0xbe0 [ 6580.442494][ T73] __do_softirq+0x1b5/0x7f6 [ 6580.442494][ T73] [ 6580.444928][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.444928][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.444928][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.444928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.444928][ T73] ip6_route_add+0x1c/0x140 [ 6580.444928][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6580.444928][ T73] inet6_addr_add+0x4f8/0xa40 [ 6580.444928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.444928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.444928][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.444928][ T73] netlink_unicast+0x449/0x710 [ 6580.444928][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.444928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.444928][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.444928][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.444928][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.444928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.444928][ T73] [ 6580.447831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.447831][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.447831][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.447831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.447831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6580.447831][ T73] ipv6_add_addr+0x411/0x2000 [ 6580.447831][ T73] inet6_addr_add+0x30e/0xa40 [ 6580.447831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.447831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.447831][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.447831][ T73] netlink_unicast+0x449/0x710 [ 6580.447831][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.447831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.447831][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.447831][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.447831][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.447831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.447831][ T73] [ 6580.450776][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.450776][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.450776][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.450776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.450776][ T73] ip6_route_add+0x1c/0x140 [ 6580.450776][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6580.450776][ T73] addrconf_add_dev+0xe2/0x170 [ 6580.450776][ T73] inet6_addr_add+0x12f/0xa40 [ 6580.450776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.450776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.450776][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.450776][ T73] netlink_unicast+0x449/0x710 [ 6580.450776][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.450776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.450776][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.450776][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.450776][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.450776][ T73] [ 6580.453693][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.453693][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6580.453693][ T73] ipv6_find_idev+0x102/0x170 [ 6580.453693][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.453693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.453693][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.453693][ T73] netlink_unicast+0x449/0x710 [ 6580.453693][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.453693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.453693][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.453693][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.453693][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.453693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.453693][ T73] [ 6580.456063][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6580.456063][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6580.456063][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6580.456063][ T73] ipv6_find_idev+0x102/0x170 [ 6580.456063][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.456063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.456063][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.456063][ T73] netlink_unicast+0x449/0x710 [ 6580.456063][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.456063][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.456063][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.456063][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.456063][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.456063][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.456063][ T73] [ 6580.458686][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6580.459122][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.459122][ T73] dst_init+0x84/0x4a0 [ 6580.459122][ T73] dst_alloc+0x97/0x150 [ 6580.459122][ T73] ip6_dst_alloc+0x23/0x90 [ 6580.459122][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6580.459122][ T73] ip6_pol_route+0x56f/0x840 [ 6580.459122][ T73] fib6_rule_lookup+0x456/0x630 [ 6580.459122][ T73] ip6_route_input+0x59c/0xa50 [ 6580.459122][ T73] ipv6_rcv+0x397/0x810 [ 6580.459122][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6580.459122][ T73] process_backlog+0x101/0x620 [ 6580.459122][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6580.459122][ T73] net_rx_action+0x495/0xbe0 [ 6580.459122][ T73] __do_softirq+0x1b5/0x7f6 [ 6580.459122][ T73] [ 6580.461628][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.461628][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.461628][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.461628][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.461628][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6580.461628][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6580.461628][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6580.461628][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6580.461628][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6580.461628][ T73] addrconf_dad_begin+0x310/0x670 [ 6580.461628][ T73] addrconf_dad_work+0x10b/0xab0 [ 6580.461628][ T73] process_one_work+0x84d/0x18a0 [ 6580.461628][ T73] worker_thread+0x587/0xd30 [ 6580.461628][ T73] kthread+0x28a/0x350 [ 6580.461628][ T73] ret_from_fork+0x31/0x70 [ 6580.461628][ T73] ret_from_fork_asm+0x1a/0x30 [ 6580.461628][ T73] [ 6580.464521][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.464521][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.464521][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.464521][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.464521][ T73] ip6_route_add+0x1c/0x140 [ 6580.464521][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6580.464521][ T73] inet6_addr_add+0x4f8/0xa40 [ 6580.464521][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.464521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.464521][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.464521][ T73] netlink_unicast+0x449/0x710 [ 6580.464521][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.464521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.464521][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.464521][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.464521][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.464521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.464521][ T73] [ 6580.467619][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.467619][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.467619][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.467619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.467619][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6580.467619][ T73] ipv6_add_addr+0x411/0x2000 [ 6580.467619][ T73] inet6_addr_add+0x30e/0xa40 [ 6580.467619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.467619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.467619][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.467619][ T73] netlink_unicast+0x449/0x710 [ 6580.467619][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.467619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.467619][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.467619][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.467619][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.467619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.467619][ T73] [ 6580.470588][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.470588][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.470588][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.470588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.470588][ T73] ip6_route_add+0x1c/0x140 [ 6580.470588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6580.470588][ T73] addrconf_add_dev+0xe2/0x170 [ 6580.470588][ T73] inet6_addr_add+0x12f/0xa40 [ 6580.470588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.470588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.470588][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.470588][ T73] netlink_unicast+0x449/0x710 [ 6580.470588][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.470588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.470588][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.470588][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.470588][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.470588][ T73] [ 6580.473654][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.473654][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6580.473654][ T73] ipv6_find_idev+0x102/0x170 [ 6580.473654][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.473654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.473654][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.473654][ T73] netlink_unicast+0x449/0x710 [ 6580.473654][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.473654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.473654][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.473654][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.473654][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.473654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.473654][ T73] [ 6580.476102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6580.476102][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6580.476102][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6580.476102][ T73] ipv6_find_idev+0x102/0x170 [ 6580.476102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.476102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.476102][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.476102][ T73] netlink_unicast+0x449/0x710 [ 6580.476102][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.476102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.476102][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.476102][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.476102][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.476102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.476102][ T73] [ 6580.478867][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6580.479393][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.479393][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6580.479393][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6580.479393][ T73] fib6_nh_init+0xa22/0x1580 [ 6580.479393][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.479393][ T73] ip6_route_add+0x1c/0x140 [ 6580.479393][ T73] inet6_rtm_newroute+0x104/0x110 [ 6580.479393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.479393][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.479393][ T73] netlink_unicast+0x449/0x710 [ 6580.479393][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.479393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.479393][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.479393][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.479393][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.479393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.479393][ T73] [ 6580.482762][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.482762][ T73] dst_init+0x84/0x4a0 [ 6580.482762][ T73] dst_alloc+0x97/0x150 [ 6580.482762][ T73] ip6_dst_alloc+0x23/0x90 [ 6580.482762][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6580.482762][ T73] ip6_pol_route+0x56f/0x840 [ 6580.482762][ T73] fib6_rule_lookup+0x456/0x630 [ 6580.482762][ T73] ip6_route_input+0x59c/0xa50 [ 6580.482762][ T73] ipv6_rcv+0x397/0x810 [ 6580.482762][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6580.482762][ T73] process_backlog+0x101/0x620 [ 6580.482762][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6580.482762][ T73] net_rx_action+0x495/0xbe0 [ 6580.482762][ T73] __do_softirq+0x1b5/0x7f6 [ 6580.482762][ T73] [ 6580.485630][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.485630][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.485630][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.485630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.485630][ T73] ip6_route_add+0x1c/0x140 [ 6580.485630][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6580.485630][ T73] inet6_addr_add+0x4f8/0xa40 [ 6580.485630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.485630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.485630][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.485630][ T73] netlink_unicast+0x449/0x710 [ 6580.485630][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.485630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.485630][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.485630][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.485630][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.485630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.485630][ T73] [ 6580.489169][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.489169][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.489169][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.489169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.489169][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6580.489169][ T73] ipv6_add_addr+0x411/0x2000 [ 6580.489169][ T73] inet6_addr_add+0x30e/0xa40 [ 6580.489169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.489169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.489169][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.489169][ T73] netlink_unicast+0x449/0x710 [ 6580.489169][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.489169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.489169][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.489169][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.489169][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.489169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.489169][ T73] [ 6580.492588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.492588][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.492588][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.492588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.492588][ T73] ip6_route_add+0x1c/0x140 [ 6580.492588][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6580.492588][ T73] addrconf_add_dev+0xe2/0x170 [ 6580.492588][ T73] inet6_addr_add+0x12f/0xa40 [ 6580.492588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.492588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.492588][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.492588][ T73] netlink_unicast+0x449/0x710 [ 6580.492588][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.492588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.492588][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.492588][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.492588][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.492588][ T73] [ 6580.495470][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.495470][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6580.495470][ T73] ipv6_find_idev+0x102/0x170 [ 6580.495470][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.495470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.495470][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.495470][ T73] netlink_unicast+0x449/0x710 [ 6580.495470][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.495470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.495470][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.495470][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.495470][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.495470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.495470][ T73] [ 6580.497366][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6580.497366][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6580.497366][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6580.497366][ T73] ipv6_find_idev+0x102/0x170 [ 6580.497366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.497366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.497366][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.497366][ T73] netlink_unicast+0x449/0x710 [ 6580.497366][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.497366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.497366][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.497366][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.497366][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.497366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.497366][ T73] [ 6580.499966][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6580.500293][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6580.500293][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.500293][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.500293][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.500293][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6580.500293][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6580.500293][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6580.500293][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6580.500293][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6580.500293][ T73] addrconf_dad_begin+0x310/0x670 [ 6580.500293][ T73] addrconf_dad_work+0x10b/0xab0 [ 6580.500293][ T73] process_one_work+0x84d/0x18a0 [ 6580.500293][ T73] worker_thread+0x587/0xd30 [ 6580.500293][ T73] kthread+0x28a/0x350 [ 6580.500293][ T73] ret_from_fork+0x31/0x70 [ 6580.500293][ T73] ret_from_fork_asm+0x1a/0x30 [ 6580.500293][ T73] [ 6580.502636][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6580.502636][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.502636][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.502636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.502636][ T73] ip6_route_add+0x1c/0x140 [ 6580.502636][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6580.502636][ T73] inet6_addr_add+0x4f8/0xa40 [ 6580.502636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.502636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.502636][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.502636][ T73] netlink_unicast+0x449/0x710 [ 6580.502636][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.502636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.502636][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.502636][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.502636][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.502636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.502636][ T73] [ 6580.505099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6580.505099][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.505099][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.505099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.505099][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6580.505099][ T73] ipv6_add_addr+0x411/0x2000 [ 6580.505099][ T73] inet6_addr_add+0x30e/0xa40 [ 6580.505099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.505099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.505099][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.505099][ T73] netlink_unicast+0x449/0x710 [ 6580.505099][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.505099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.505099][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.505099][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.505099][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.505099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.505099][ T73] [ 6580.507496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6580.507496][ T73] netdev_get_by_index+0x5e/0x80 [ 6580.507496][ T73] fib6_nh_init+0x3d8/0x1580 [ 6580.507496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6580.507496][ T73] ip6_route_add+0x1c/0x140 [ 6580.507496][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6580.507496][ T73] addrconf_add_dev+0xe2/0x170 [ 6580.507496][ T73] inet6_addr_add+0x12f/0xa40 [ 6580.507496][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.507496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.507496][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.507496][ T73] netlink_unicast+0x449/0x710 [ 6580.507496][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.507496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.507496][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.507496][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.507496][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.507496][ T73] [ 6580.509816][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6580.509816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6580.509816][ T73] ipv6_find_idev+0x102/0x170 [ 6580.509816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.509816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.509816][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.509816][ T73] netlink_unicast+0x449/0x710 [ 6580.509816][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.509816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.509816][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.509816][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.509816][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.509816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.509816][ T73] [ 6580.511633][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6580.511633][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6580.511633][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6580.511633][ T73] ipv6_find_idev+0x102/0x170 [ 6580.511633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.511633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.511633][ T73] netlink_rcv_skb+0x130/0x360 [ 6580.511633][ T73] netlink_unicast+0x449/0x710 [ 6580.511633][ T73] netlink_sendmsg+0x723/0xbe0 [ 6580.511633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6580.511633][ T73] ___sys_sendmsg+0xee/0x170 [ 6580.511633][ T73] __sys_sendmsg+0xcd/0x170 [ 6580.511633][ T73] do_syscall_64+0xc6/0x1e0 [ 6580.511633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.511633][ T73] [ 6590.750823][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6590.751225][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.751225][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6590.751225][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6590.751225][ T73] fib6_nh_init+0xa22/0x1580 [ 6590.751225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.751225][ T73] ip6_route_add+0x1c/0x140 [ 6590.751225][ T73] inet6_rtm_newroute+0x104/0x110 [ 6590.751225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.751225][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.751225][ T73] netlink_unicast+0x449/0x710 [ 6590.751225][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.751225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.751225][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.751225][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.751225][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.751225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.751225][ T73] [ 6590.753103][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.753103][ T73] dst_init+0x84/0x4a0 [ 6590.753103][ T73] dst_alloc+0x97/0x150 [ 6590.753103][ T73] ip6_dst_alloc+0x23/0x90 [ 6590.753103][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6590.753103][ T73] ip6_pol_route+0x56f/0x840 [ 6590.753103][ T73] fib6_rule_lookup+0x456/0x630 [ 6590.753103][ T73] ip6_route_input+0x59c/0xa50 [ 6590.753103][ T73] ipv6_rcv+0x397/0x810 [ 6590.753103][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6590.753103][ T73] process_backlog+0x101/0x620 [ 6590.753103][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6590.753103][ T73] net_rx_action+0x495/0xbe0 [ 6590.753103][ T73] __do_softirq+0x1b5/0x7f6 [ 6590.753103][ T73] [ 6590.754733][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.754733][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.754733][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.754733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.754733][ T73] ip6_route_add+0x1c/0x140 [ 6590.754733][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6590.754733][ T73] inet6_addr_add+0x4f8/0xa40 [ 6590.754733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.754733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.754733][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.754733][ T73] netlink_unicast+0x449/0x710 [ 6590.754733][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.754733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.754733][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.754733][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.754733][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.754733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.754733][ T73] [ 6590.756719][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.756719][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.756719][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.756719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.756719][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6590.756719][ T73] ipv6_add_addr+0x411/0x2000 [ 6590.756719][ T73] inet6_addr_add+0x30e/0xa40 [ 6590.756719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.756719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.756719][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.756719][ T73] netlink_unicast+0x449/0x710 [ 6590.756719][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.756719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.756719][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.756719][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.756719][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.756719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.756719][ T73] [ 6590.758869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.758869][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.758869][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.758869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.758869][ T73] ip6_route_add+0x1c/0x140 [ 6590.758869][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6590.758869][ T73] addrconf_add_dev+0xe2/0x170 [ 6590.758869][ T73] inet6_addr_add+0x12f/0xa40 [ 6590.758869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.758869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.758869][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.758869][ T73] netlink_unicast+0x449/0x710 [ 6590.758869][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.758869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.758869][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.758869][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.758869][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.758869][ T73] [ 6590.761006][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.761006][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6590.761006][ T73] ipv6_find_idev+0x102/0x170 [ 6590.761006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.761006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.761006][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.761006][ T73] netlink_unicast+0x449/0x710 [ 6590.761006][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.761006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.761006][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.761006][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.761006][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.761006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.761006][ T73] [ 6590.762679][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6590.762679][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6590.762679][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6590.762679][ T73] ipv6_find_idev+0x102/0x170 [ 6590.762679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.762679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.762679][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.762679][ T73] netlink_unicast+0x449/0x710 [ 6590.762679][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.762679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.762679][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.762679][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.762679][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.762679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.762679][ T73] [ 6590.764494][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6590.764780][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.764780][ T73] dst_init+0x84/0x4a0 [ 6590.764780][ T73] dst_alloc+0x97/0x150 [ 6590.764780][ T73] ip6_dst_alloc+0x23/0x90 [ 6590.764780][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6590.764780][ T73] ip6_pol_route+0x56f/0x840 [ 6590.764780][ T73] fib6_rule_lookup+0x456/0x630 [ 6590.764780][ T73] ip6_route_input+0x59c/0xa50 [ 6590.764780][ T73] ipv6_rcv+0x397/0x810 [ 6590.764780][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6590.764780][ T73] process_backlog+0x101/0x620 [ 6590.764780][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6590.764780][ T73] net_rx_action+0x495/0xbe0 [ 6590.764780][ T73] __do_softirq+0x1b5/0x7f6 [ 6590.764780][ T73] [ 6590.766529][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.766529][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.766529][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.766529][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.766529][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6590.766529][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6590.766529][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6590.766529][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6590.766529][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6590.766529][ T73] addrconf_dad_begin+0x310/0x670 [ 6590.766529][ T73] addrconf_dad_work+0x10b/0xab0 [ 6590.766529][ T73] process_one_work+0x84d/0x18a0 [ 6590.766529][ T73] worker_thread+0x587/0xd30 [ 6590.766529][ T73] kthread+0x28a/0x350 [ 6590.766529][ T73] ret_from_fork+0x31/0x70 [ 6590.766529][ T73] ret_from_fork_asm+0x1a/0x30 [ 6590.766529][ T73] [ 6590.768560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.768560][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.768560][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.768560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.768560][ T73] ip6_route_add+0x1c/0x140 [ 6590.768560][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6590.768560][ T73] inet6_addr_add+0x4f8/0xa40 [ 6590.768560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.768560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.768560][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.768560][ T73] netlink_unicast+0x449/0x710 [ 6590.768560][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.768560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.768560][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.768560][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.768560][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.768560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.768560][ T73] [ 6590.770723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.770723][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.770723][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.770723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.770723][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6590.770723][ T73] ipv6_add_addr+0x411/0x2000 [ 6590.770723][ T73] inet6_addr_add+0x30e/0xa40 [ 6590.770723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.770723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.770723][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.770723][ T73] netlink_unicast+0x449/0x710 [ 6590.770723][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.770723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.770723][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.770723][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.770723][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.770723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.770723][ T73] [ 6590.772889][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.772889][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.772889][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.772889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.772889][ T73] ip6_route_add+0x1c/0x140 [ 6590.772889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6590.772889][ T73] addrconf_add_dev+0xe2/0x170 [ 6590.772889][ T73] inet6_addr_add+0x12f/0xa40 [ 6590.772889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.772889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.772889][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.772889][ T73] netlink_unicast+0x449/0x710 [ 6590.772889][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.772889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.772889][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.772889][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.772889][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.772889][ T73] [ 6590.775020][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.775020][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6590.775020][ T73] ipv6_find_idev+0x102/0x170 [ 6590.775020][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.775020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.775020][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.775020][ T73] netlink_unicast+0x449/0x710 [ 6590.775020][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.775020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.775020][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.775020][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.775020][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.775020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.775020][ T73] [ 6590.776704][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6590.776704][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6590.776704][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6590.776704][ T73] ipv6_find_idev+0x102/0x170 [ 6590.776704][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.776704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.776704][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.776704][ T73] netlink_unicast+0x449/0x710 [ 6590.776704][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.776704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.776704][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.776704][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.776704][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.776704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.776704][ T73] [ 6590.778634][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6590.779001][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.779001][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6590.779001][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6590.779001][ T73] fib6_nh_init+0xa22/0x1580 [ 6590.779001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.779001][ T73] ip6_route_add+0x1c/0x140 [ 6590.779001][ T73] inet6_rtm_newroute+0x104/0x110 [ 6590.779001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.779001][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.779001][ T73] netlink_unicast+0x449/0x710 [ 6590.779001][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.779001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.779001][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.779001][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.779001][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.779001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.779001][ T73] [ 6590.781278][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.781278][ T73] dst_init+0x84/0x4a0 [ 6590.781278][ T73] dst_alloc+0x97/0x150 [ 6590.781278][ T73] ip6_dst_alloc+0x23/0x90 [ 6590.781278][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6590.781278][ T73] ip6_pol_route+0x56f/0x840 [ 6590.781278][ T73] fib6_rule_lookup+0x456/0x630 [ 6590.781278][ T73] ip6_route_input+0x59c/0xa50 [ 6590.781278][ T73] ipv6_rcv+0x397/0x810 [ 6590.781278][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6590.781278][ T73] process_backlog+0x101/0x620 [ 6590.781278][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6590.781278][ T73] net_rx_action+0x495/0xbe0 [ 6590.781278][ T73] __do_softirq+0x1b5/0x7f6 [ 6590.781278][ T73] [ 6590.783211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.783211][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.783211][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.783211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.783211][ T73] ip6_route_add+0x1c/0x140 [ 6590.783211][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6590.783211][ T73] inet6_addr_add+0x4f8/0xa40 [ 6590.783211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.783211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.783211][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.783211][ T73] netlink_unicast+0x449/0x710 [ 6590.783211][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.783211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.783211][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.783211][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.783211][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.783211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.783211][ T73] [ 6590.785615][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.785615][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.785615][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.785615][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.785615][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6590.785615][ T73] ipv6_add_addr+0x411/0x2000 [ 6590.785615][ T73] inet6_addr_add+0x30e/0xa40 [ 6590.785615][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.785615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.785615][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.785615][ T73] netlink_unicast+0x449/0x710 [ 6590.785615][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.785615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.785615][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.785615][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.785615][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.785615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.785615][ T73] [ 6590.788020][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.788020][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.788020][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.788020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.788020][ T73] ip6_route_add+0x1c/0x140 [ 6590.788020][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6590.788020][ T73] addrconf_add_dev+0xe2/0x170 [ 6590.788020][ T73] inet6_addr_add+0x12f/0xa40 [ 6590.788020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.788020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.788020][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.788020][ T73] netlink_unicast+0x449/0x710 [ 6590.788020][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.788020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.788020][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.788020][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.788020][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.788020][ T73] [ 6590.790922][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.790922][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6590.790922][ T73] ipv6_find_idev+0x102/0x170 [ 6590.790922][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.790922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.790922][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.790922][ T73] netlink_unicast+0x449/0x710 [ 6590.790922][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.790922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.790922][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.790922][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.790922][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.790922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.790922][ T73] [ 6590.792773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6590.792773][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6590.792773][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6590.792773][ T73] ipv6_find_idev+0x102/0x170 [ 6590.792773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.792773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.792773][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.792773][ T73] netlink_unicast+0x449/0x710 [ 6590.792773][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.792773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.792773][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.792773][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.792773][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.792773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.792773][ T73] [ 6590.794795][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6590.795086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6590.795086][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.795086][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.795086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.795086][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6590.795086][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6590.795086][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6590.795086][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6590.795086][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6590.795086][ T73] addrconf_dad_begin+0x310/0x670 [ 6590.795086][ T73] addrconf_dad_work+0x10b/0xab0 [ 6590.795086][ T73] process_one_work+0x84d/0x18a0 [ 6590.795086][ T73] worker_thread+0x587/0xd30 [ 6590.795086][ T73] kthread+0x28a/0x350 [ 6590.795086][ T73] ret_from_fork+0x31/0x70 [ 6590.795086][ T73] ret_from_fork_asm+0x1a/0x30 [ 6590.795086][ T73] [ 6590.797411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6590.797411][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.797411][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.797411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.797411][ T73] ip6_route_add+0x1c/0x140 [ 6590.797411][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6590.797411][ T73] inet6_addr_add+0x4f8/0xa40 [ 6590.797411][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.797411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.797411][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.797411][ T73] netlink_unicast+0x449/0x710 [ 6590.797411][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.797411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.797411][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.797411][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.797411][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.797411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.797411][ T73] [ 6590.799820][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6590.799820][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.799820][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.799820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.799820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6590.799820][ T73] ipv6_add_addr+0x411/0x2000 [ 6590.799820][ T73] inet6_addr_add+0x30e/0xa40 [ 6590.799820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.799820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.799820][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.799820][ T73] netlink_unicast+0x449/0x710 [ 6590.799820][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.799820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.799820][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.799820][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.799820][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.799820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.799820][ T73] [ 6590.802300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6590.802300][ T73] netdev_get_by_index+0x5e/0x80 [ 6590.802300][ T73] fib6_nh_init+0x3d8/0x1580 [ 6590.802300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6590.802300][ T73] ip6_route_add+0x1c/0x140 [ 6590.802300][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6590.802300][ T73] addrconf_add_dev+0xe2/0x170 [ 6590.802300][ T73] inet6_addr_add+0x12f/0xa40 [ 6590.802300][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.802300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.802300][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.802300][ T73] netlink_unicast+0x449/0x710 [ 6590.802300][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.802300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.802300][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.802300][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.802300][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.802300][ T73] [ 6590.804579][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6590.804579][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6590.804579][ T73] ipv6_find_idev+0x102/0x170 [ 6590.804579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.804579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.804579][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.804579][ T73] netlink_unicast+0x449/0x710 [ 6590.804579][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.804579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.804579][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.804579][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.804579][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.804579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.804579][ T73] [ 6590.806411][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6590.806411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6590.806411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6590.806411][ T73] ipv6_find_idev+0x102/0x170 [ 6590.806411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.806411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.806411][ T73] netlink_rcv_skb+0x130/0x360 [ 6590.806411][ T73] netlink_unicast+0x449/0x710 [ 6590.806411][ T73] netlink_sendmsg+0x723/0xbe0 [ 6590.806411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6590.806411][ T73] ___sys_sendmsg+0xee/0x170 [ 6590.806411][ T73] __sys_sendmsg+0xcd/0x170 [ 6590.806411][ T73] do_syscall_64+0xc6/0x1e0 [ 6590.806411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.806411][ T73] [ 6600.862913][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6600.863352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.863352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6600.863352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6600.863352][ T73] fib6_nh_init+0xa22/0x1580 [ 6600.863352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.863352][ T73] ip6_route_add+0x1c/0x140 [ 6600.863352][ T73] inet6_rtm_newroute+0x104/0x110 [ 6600.863352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.863352][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.863352][ T73] netlink_unicast+0x449/0x710 [ 6600.863352][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.863352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.863352][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.863352][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.863352][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.863352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.863352][ T73] [ 6600.865240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.865240][ T73] dst_init+0x84/0x4a0 [ 6600.865240][ T73] dst_alloc+0x97/0x150 [ 6600.865240][ T73] ip6_dst_alloc+0x23/0x90 [ 6600.865240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6600.865240][ T73] ip6_pol_route+0x56f/0x840 [ 6600.865240][ T73] fib6_rule_lookup+0x456/0x630 [ 6600.865240][ T73] ip6_route_input+0x59c/0xa50 [ 6600.865240][ T73] ipv6_rcv+0x397/0x810 [ 6600.865240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6600.865240][ T73] process_backlog+0x101/0x620 [ 6600.865240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6600.865240][ T73] net_rx_action+0x495/0xbe0 [ 6600.865240][ T73] __do_softirq+0x1b5/0x7f6 [ 6600.865240][ T73] [ 6600.866880][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.866880][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.866880][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.866880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.866880][ T73] ip6_route_add+0x1c/0x140 [ 6600.866880][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6600.866880][ T73] inet6_addr_add+0x4f8/0xa40 [ 6600.866880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.866880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.866880][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.866880][ T73] netlink_unicast+0x449/0x710 [ 6600.866880][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.866880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.866880][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.866880][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.866880][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.866880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.866880][ T73] [ 6600.868850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.868850][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.868850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.868850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.868850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6600.868850][ T73] ipv6_add_addr+0x411/0x2000 [ 6600.868850][ T73] inet6_addr_add+0x30e/0xa40 [ 6600.868850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.868850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.868850][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.868850][ T73] netlink_unicast+0x449/0x710 [ 6600.868850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.868850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.868850][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.868850][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.868850][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.868850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.868850][ T73] [ 6600.870842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.870842][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.870842][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.870842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.870842][ T73] ip6_route_add+0x1c/0x140 [ 6600.870842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6600.870842][ T73] addrconf_add_dev+0xe2/0x170 [ 6600.870842][ T73] inet6_addr_add+0x12f/0xa40 [ 6600.870842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.870842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.870842][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.870842][ T73] netlink_unicast+0x449/0x710 [ 6600.870842][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.870842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.870842][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.870842][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.870842][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.870842][ T73] [ 6600.872805][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.872805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6600.872805][ T73] ipv6_find_idev+0x102/0x170 [ 6600.872805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.872805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.872805][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.872805][ T73] netlink_unicast+0x449/0x710 [ 6600.872805][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.872805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.872805][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.872805][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.872805][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.872805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.872805][ T73] [ 6600.874333][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6600.874333][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6600.874333][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6600.874333][ T73] ipv6_find_idev+0x102/0x170 [ 6600.874333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.874333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.874333][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.874333][ T73] netlink_unicast+0x449/0x710 [ 6600.874333][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.874333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.874333][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.874333][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.874333][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.874333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.874333][ T73] [ 6600.875992][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6600.876278][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.876278][ T73] dst_init+0x84/0x4a0 [ 6600.876278][ T73] dst_alloc+0x97/0x150 [ 6600.876278][ T73] ip6_dst_alloc+0x23/0x90 [ 6600.876278][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6600.876278][ T73] ip6_pol_route+0x56f/0x840 [ 6600.876278][ T73] fib6_rule_lookup+0x456/0x630 [ 6600.876278][ T73] ip6_route_input+0x59c/0xa50 [ 6600.876278][ T73] ipv6_rcv+0x397/0x810 [ 6600.876278][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6600.876278][ T73] process_backlog+0x101/0x620 [ 6600.876278][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6600.876278][ T73] net_rx_action+0x495/0xbe0 [ 6600.876278][ T73] __do_softirq+0x1b5/0x7f6 [ 6600.876278][ T73] [ 6600.877907][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.877907][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.877907][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.877907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.877907][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6600.877907][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6600.877907][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6600.877907][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6600.877907][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6600.877907][ T73] addrconf_dad_begin+0x310/0x670 [ 6600.877907][ T73] addrconf_dad_work+0x10b/0xab0 [ 6600.877907][ T73] process_one_work+0x84d/0x18a0 [ 6600.877907][ T73] worker_thread+0x587/0xd30 [ 6600.877907][ T73] kthread+0x28a/0x350 [ 6600.877907][ T73] ret_from_fork+0x31/0x70 [ 6600.877907][ T73] ret_from_fork_asm+0x1a/0x30 [ 6600.877907][ T73] [ 6600.879815][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.879815][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.879815][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.879815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.879815][ T73] ip6_route_add+0x1c/0x140 [ 6600.879815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6600.879815][ T73] inet6_addr_add+0x4f8/0xa40 [ 6600.879815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.879815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.879815][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.879815][ T73] netlink_unicast+0x449/0x710 [ 6600.879815][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.879815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.879815][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.879815][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.879815][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.879815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.879815][ T73] [ 6600.882212][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.882212][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.882212][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.882212][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.882212][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6600.882212][ T73] ipv6_add_addr+0x411/0x2000 [ 6600.882212][ T73] inet6_addr_add+0x30e/0xa40 [ 6600.882212][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.882212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.882212][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.882212][ T73] netlink_unicast+0x449/0x710 [ 6600.882212][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.882212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.882212][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.882212][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.882212][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.882212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.882212][ T73] [ 6600.884184][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.884184][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.884184][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.884184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.884184][ T73] ip6_route_add+0x1c/0x140 [ 6600.884184][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6600.884184][ T73] addrconf_add_dev+0xe2/0x170 [ 6600.884184][ T73] inet6_addr_add+0x12f/0xa40 [ 6600.884184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.884184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.884184][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.884184][ T73] netlink_unicast+0x449/0x710 [ 6600.884184][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.884184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.884184][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.884184][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.884184][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.884184][ T73] [ 6600.886139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.886139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6600.886139][ T73] ipv6_find_idev+0x102/0x170 [ 6600.886139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.886139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.886139][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.886139][ T73] netlink_unicast+0x449/0x710 [ 6600.886139][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.886139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.886139][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.886139][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.886139][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.886139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.886139][ T73] [ 6600.887665][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6600.887665][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6600.887665][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6600.887665][ T73] ipv6_find_idev+0x102/0x170 [ 6600.887665][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.887665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.887665][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.887665][ T73] netlink_unicast+0x449/0x710 [ 6600.887665][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.887665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.887665][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.887665][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.887665][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.887665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.887665][ T73] [ 6600.889404][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6600.889738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.889738][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6600.889738][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6600.889738][ T73] fib6_nh_init+0xa22/0x1580 [ 6600.889738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.889738][ T73] ip6_route_add+0x1c/0x140 [ 6600.889738][ T73] inet6_rtm_newroute+0x104/0x110 [ 6600.889738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.889738][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.889738][ T73] netlink_unicast+0x449/0x710 [ 6600.889738][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.889738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.889738][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.889738][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.889738][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.889738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.889738][ T73] [ 6600.891728][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.891728][ T73] dst_init+0x84/0x4a0 [ 6600.891728][ T73] dst_alloc+0x97/0x150 [ 6600.891728][ T73] ip6_dst_alloc+0x23/0x90 [ 6600.891728][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6600.891728][ T73] ip6_pol_route+0x56f/0x840 [ 6600.891728][ T73] fib6_rule_lookup+0x456/0x630 [ 6600.891728][ T73] ip6_route_input+0x59c/0xa50 [ 6600.891728][ T73] ipv6_rcv+0x397/0x810 [ 6600.891728][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6600.891728][ T73] process_backlog+0x101/0x620 [ 6600.891728][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6600.891728][ T73] net_rx_action+0x495/0xbe0 [ 6600.891728][ T73] __do_softirq+0x1b5/0x7f6 [ 6600.891728][ T73] [ 6600.893544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.893544][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.893544][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.893544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.893544][ T73] ip6_route_add+0x1c/0x140 [ 6600.893544][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6600.893544][ T73] inet6_addr_add+0x4f8/0xa40 [ 6600.893544][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.893544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.893544][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.893544][ T73] netlink_unicast+0x449/0x710 [ 6600.893544][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.893544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.893544][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.893544][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.893544][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.893544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.893544][ T73] [ 6600.895835][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.895835][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.895835][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.895835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.895835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6600.895835][ T73] ipv6_add_addr+0x411/0x2000 [ 6600.895835][ T73] inet6_addr_add+0x30e/0xa40 [ 6600.895835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.895835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.895835][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.895835][ T73] netlink_unicast+0x449/0x710 [ 6600.895835][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.895835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.895835][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.895835][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.895835][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.895835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.895835][ T73] [ 6600.898067][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.898067][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.898067][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.898067][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.898067][ T73] ip6_route_add+0x1c/0x140 [ 6600.898067][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6600.898067][ T73] addrconf_add_dev+0xe2/0x170 [ 6600.898067][ T73] inet6_addr_add+0x12f/0xa40 [ 6600.898067][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.898067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.898067][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.898067][ T73] netlink_unicast+0x449/0x710 [ 6600.898067][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.898067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.898067][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.898067][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.898067][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.898067][ T73] [ 6600.900270][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.900270][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6600.900270][ T73] ipv6_find_idev+0x102/0x170 [ 6600.900270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.900270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.900270][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.900270][ T73] netlink_unicast+0x449/0x710 [ 6600.900270][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.900270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.900270][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.900270][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.900270][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.900270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.900270][ T73] [ 6600.901983][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6600.901983][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6600.901983][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6600.901983][ T73] ipv6_find_idev+0x102/0x170 [ 6600.901983][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.901983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.901983][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.901983][ T73] netlink_unicast+0x449/0x710 [ 6600.901983][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.901983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.901983][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.901983][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.901983][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.901983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.901983][ T73] [ 6600.903834][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6600.904105][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6600.904105][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.904105][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.904105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.904105][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6600.904105][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6600.904105][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6600.904105][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6600.904105][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6600.904105][ T73] addrconf_dad_begin+0x310/0x670 [ 6600.904105][ T73] addrconf_dad_work+0x10b/0xab0 [ 6600.904105][ T73] process_one_work+0x84d/0x18a0 [ 6600.904105][ T73] worker_thread+0x587/0xd30 [ 6600.904105][ T73] kthread+0x28a/0x350 [ 6600.904105][ T73] ret_from_fork+0x31/0x70 [ 6600.904105][ T73] ret_from_fork_asm+0x1a/0x30 [ 6600.904105][ T73] [ 6600.906322][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6600.906322][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.906322][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.906322][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.906322][ T73] ip6_route_add+0x1c/0x140 [ 6600.906322][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6600.906322][ T73] inet6_addr_add+0x4f8/0xa40 [ 6600.906322][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.906322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.906322][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.906322][ T73] netlink_unicast+0x449/0x710 [ 6600.906322][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.906322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.906322][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.906322][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.906322][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.906322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.906322][ T73] [ 6600.908560][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6600.908560][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.908560][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.908560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.908560][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6600.908560][ T73] ipv6_add_addr+0x411/0x2000 [ 6600.908560][ T73] inet6_addr_add+0x30e/0xa40 [ 6600.908560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.908560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.908560][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.908560][ T73] netlink_unicast+0x449/0x710 [ 6600.908560][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.908560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.908560][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.908560][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.908560][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.908560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.908560][ T73] [ 6600.910798][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6600.910798][ T73] netdev_get_by_index+0x5e/0x80 [ 6600.910798][ T73] fib6_nh_init+0x3d8/0x1580 [ 6600.910798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6600.910798][ T73] ip6_route_add+0x1c/0x140 [ 6600.910798][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6600.910798][ T73] addrconf_add_dev+0xe2/0x170 [ 6600.910798][ T73] inet6_addr_add+0x12f/0xa40 [ 6600.910798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.910798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.910798][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.910798][ T73] netlink_unicast+0x449/0x710 [ 6600.910798][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.910798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.910798][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.910798][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.910798][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.910798][ T73] [ 6600.913003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6600.913003][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6600.913003][ T73] ipv6_find_idev+0x102/0x170 [ 6600.913003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.913003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.913003][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.913003][ T73] netlink_unicast+0x449/0x710 [ 6600.913003][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.913003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.913003][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.913003][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.913003][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.913003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.913003][ T73] [ 6600.914714][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6600.914714][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6600.914714][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6600.914714][ T73] ipv6_find_idev+0x102/0x170 [ 6600.914714][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.914714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.914714][ T73] netlink_rcv_skb+0x130/0x360 [ 6600.914714][ T73] netlink_unicast+0x449/0x710 [ 6600.914714][ T73] netlink_sendmsg+0x723/0xbe0 [ 6600.914714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6600.914714][ T73] ___sys_sendmsg+0xee/0x170 [ 6600.914714][ T73] __sys_sendmsg+0xcd/0x170 [ 6600.914714][ T73] do_syscall_64+0xc6/0x1e0 [ 6600.914714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.914714][ T73] [ 6611.158884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6611.159314][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.159314][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6611.159314][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6611.159314][ T73] fib6_nh_init+0xa22/0x1580 [ 6611.159314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.159314][ T73] ip6_route_add+0x1c/0x140 [ 6611.159314][ T73] inet6_rtm_newroute+0x104/0x110 [ 6611.159314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.159314][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.159314][ T73] netlink_unicast+0x449/0x710 [ 6611.159314][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.159314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.159314][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.159314][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.159314][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.159314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.159314][ T73] [ 6611.161210][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.161210][ T73] dst_init+0x84/0x4a0 [ 6611.161210][ T73] dst_alloc+0x97/0x150 [ 6611.161210][ T73] ip6_dst_alloc+0x23/0x90 [ 6611.161210][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6611.161210][ T73] ip6_pol_route+0x56f/0x840 [ 6611.161210][ T73] fib6_rule_lookup+0x456/0x630 [ 6611.161210][ T73] ip6_route_input+0x59c/0xa50 [ 6611.161210][ T73] ipv6_rcv+0x397/0x810 [ 6611.161210][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6611.161210][ T73] process_backlog+0x101/0x620 [ 6611.161210][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6611.161210][ T73] net_rx_action+0x495/0xbe0 [ 6611.161210][ T73] __do_softirq+0x1b5/0x7f6 [ 6611.161210][ T73] [ 6611.162836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.162836][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.162836][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.162836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.162836][ T73] ip6_route_add+0x1c/0x140 [ 6611.162836][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6611.162836][ T73] inet6_addr_add+0x4f8/0xa40 [ 6611.162836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.162836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.162836][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.162836][ T73] netlink_unicast+0x449/0x710 [ 6611.162836][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.162836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.162836][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.162836][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.162836][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.162836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.162836][ T73] [ 6611.164817][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.164817][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.164817][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.164817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.164817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6611.164817][ T73] ipv6_add_addr+0x411/0x2000 [ 6611.164817][ T73] inet6_addr_add+0x30e/0xa40 [ 6611.164817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.164817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.164817][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.164817][ T73] netlink_unicast+0x449/0x710 [ 6611.164817][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.164817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.164817][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.164817][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.164817][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.164817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.164817][ T73] [ 6611.166781][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.166781][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.166781][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.166781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.166781][ T73] ip6_route_add+0x1c/0x140 [ 6611.166781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6611.166781][ T73] addrconf_add_dev+0xe2/0x170 [ 6611.166781][ T73] inet6_addr_add+0x12f/0xa40 [ 6611.166781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.166781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.166781][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.166781][ T73] netlink_unicast+0x449/0x710 [ 6611.166781][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.166781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.166781][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.166781][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.166781][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.166781][ T73] [ 6611.168741][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.168741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6611.168741][ T73] ipv6_find_idev+0x102/0x170 [ 6611.168741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.168741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.168741][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.168741][ T73] netlink_unicast+0x449/0x710 [ 6611.168741][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.168741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.168741][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.168741][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.168741][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.168741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.168741][ T73] [ 6611.170272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6611.170272][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6611.170272][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6611.170272][ T73] ipv6_find_idev+0x102/0x170 [ 6611.170272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.170272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.170272][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.170272][ T73] netlink_unicast+0x449/0x710 [ 6611.170272][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.170272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.170272][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.170272][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.170272][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.170272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.170272][ T73] [ 6611.171942][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6611.172211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.172211][ T73] dst_init+0x84/0x4a0 [ 6611.172211][ T73] dst_alloc+0x97/0x150 [ 6611.172211][ T73] ip6_dst_alloc+0x23/0x90 [ 6611.172211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6611.172211][ T73] ip6_pol_route+0x56f/0x840 [ 6611.172211][ T73] fib6_rule_lookup+0x456/0x630 [ 6611.172211][ T73] ip6_route_input+0x59c/0xa50 [ 6611.172211][ T73] ipv6_rcv+0x397/0x810 [ 6611.172211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6611.172211][ T73] process_backlog+0x101/0x620 [ 6611.172211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6611.172211][ T73] net_rx_action+0x495/0xbe0 [ 6611.172211][ T73] __do_softirq+0x1b5/0x7f6 [ 6611.172211][ T73] [ 6611.174233][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.174233][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.174233][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.174233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.174233][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6611.174233][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6611.174233][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6611.174233][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6611.174233][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6611.174233][ T73] addrconf_dad_begin+0x310/0x670 [ 6611.174233][ T73] addrconf_dad_work+0x10b/0xab0 [ 6611.174233][ T73] process_one_work+0x84d/0x18a0 [ 6611.174233][ T73] worker_thread+0x587/0xd30 [ 6611.174233][ T73] kthread+0x28a/0x350 [ 6611.174233][ T73] ret_from_fork+0x31/0x70 [ 6611.174233][ T73] ret_from_fork_asm+0x1a/0x30 [ 6611.174233][ T73] [ 6611.176128][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.176128][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.176128][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.176128][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.176128][ T73] ip6_route_add+0x1c/0x140 [ 6611.176128][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6611.176128][ T73] inet6_addr_add+0x4f8/0xa40 [ 6611.176128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.176128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.176128][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.176128][ T73] netlink_unicast+0x449/0x710 [ 6611.176128][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.176128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.176128][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.176128][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.176128][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.176128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.176128][ T73] [ 6611.178147][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.178147][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.178147][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.178147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.178147][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6611.178147][ T73] ipv6_add_addr+0x411/0x2000 [ 6611.178147][ T73] inet6_addr_add+0x30e/0xa40 [ 6611.178147][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.178147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.178147][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.178147][ T73] netlink_unicast+0x449/0x710 [ 6611.178147][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.178147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.178147][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.178147][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.178147][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.178147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.178147][ T73] [ 6611.180119][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.180119][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.180119][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.180119][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.180119][ T73] ip6_route_add+0x1c/0x140 [ 6611.180119][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6611.180119][ T73] addrconf_add_dev+0xe2/0x170 [ 6611.180119][ T73] inet6_addr_add+0x12f/0xa40 [ 6611.180119][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.180119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.180119][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.180119][ T73] netlink_unicast+0x449/0x710 [ 6611.180119][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.180119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.180119][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.180119][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.180119][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.180119][ T73] [ 6611.182096][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.182096][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6611.182096][ T73] ipv6_find_idev+0x102/0x170 [ 6611.182096][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.182096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.182096][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.182096][ T73] netlink_unicast+0x449/0x710 [ 6611.182096][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.182096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.182096][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.182096][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.182096][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.182096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.182096][ T73] [ 6611.183620][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6611.183620][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6611.183620][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6611.183620][ T73] ipv6_find_idev+0x102/0x170 [ 6611.183620][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.183620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.183620][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.183620][ T73] netlink_unicast+0x449/0x710 [ 6611.183620][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.183620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.183620][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.183620][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.183620][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.183620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.183620][ T73] [ 6611.185362][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6611.185694][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.185694][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6611.185694][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6611.185694][ T73] fib6_nh_init+0xa22/0x1580 [ 6611.185694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.185694][ T73] ip6_route_add+0x1c/0x140 [ 6611.185694][ T73] inet6_rtm_newroute+0x104/0x110 [ 6611.185694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.185694][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.185694][ T73] netlink_unicast+0x449/0x710 [ 6611.185694][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.185694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.185694][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.185694][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.185694][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.185694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.185694][ T73] [ 6611.187742][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.187742][ T73] dst_init+0x84/0x4a0 [ 6611.187742][ T73] dst_alloc+0x97/0x150 [ 6611.187742][ T73] ip6_dst_alloc+0x23/0x90 [ 6611.187742][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6611.187742][ T73] ip6_pol_route+0x56f/0x840 [ 6611.187742][ T73] fib6_rule_lookup+0x456/0x630 [ 6611.187742][ T73] ip6_route_input+0x59c/0xa50 [ 6611.187742][ T73] ipv6_rcv+0x397/0x810 [ 6611.187742][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6611.187742][ T73] process_backlog+0x101/0x620 [ 6611.187742][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6611.187742][ T73] net_rx_action+0x495/0xbe0 [ 6611.187742][ T73] __do_softirq+0x1b5/0x7f6 [ 6611.187742][ T73] [ 6611.189552][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.189552][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.189552][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.189552][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.189552][ T73] ip6_route_add+0x1c/0x140 [ 6611.189552][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6611.189552][ T73] inet6_addr_add+0x4f8/0xa40 [ 6611.189552][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.189552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.189552][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.189552][ T73] netlink_unicast+0x449/0x710 [ 6611.189552][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.189552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.189552][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.189552][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.189552][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.189552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.189552][ T73] [ 6611.191781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.191781][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.191781][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.191781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.191781][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6611.191781][ T73] ipv6_add_addr+0x411/0x2000 [ 6611.191781][ T73] inet6_addr_add+0x30e/0xa40 [ 6611.191781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.191781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.191781][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.191781][ T73] netlink_unicast+0x449/0x710 [ 6611.191781][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.191781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.191781][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.191781][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.191781][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.191781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.191781][ T73] [ 6611.193954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.193954][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.193954][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.193954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.193954][ T73] ip6_route_add+0x1c/0x140 [ 6611.193954][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6611.193954][ T73] addrconf_add_dev+0xe2/0x170 [ 6611.193954][ T73] inet6_addr_add+0x12f/0xa40 [ 6611.193954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.193954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.193954][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.193954][ T73] netlink_unicast+0x449/0x710 [ 6611.193954][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.193954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.193954][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.193954][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.193954][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.193954][ T73] [ 6611.196211][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.196211][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6611.196211][ T73] ipv6_find_idev+0x102/0x170 [ 6611.196211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.196211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.196211][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.196211][ T73] netlink_unicast+0x449/0x710 [ 6611.196211][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.196211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.196211][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.196211][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.196211][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.196211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.196211][ T73] [ 6611.197933][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6611.197933][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6611.197933][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6611.197933][ T73] ipv6_find_idev+0x102/0x170 [ 6611.197933][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.197933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.197933][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.197933][ T73] netlink_unicast+0x449/0x710 [ 6611.197933][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.197933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.197933][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.197933][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.197933][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.197933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.197933][ T73] [ 6611.199808][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6611.200077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6611.200077][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.200077][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.200077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.200077][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6611.200077][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6611.200077][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6611.200077][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6611.200077][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6611.200077][ T73] addrconf_dad_begin+0x310/0x670 [ 6611.200077][ T73] addrconf_dad_work+0x10b/0xab0 [ 6611.200077][ T73] process_one_work+0x84d/0x18a0 [ 6611.200077][ T73] worker_thread+0x587/0xd30 [ 6611.200077][ T73] kthread+0x28a/0x350 [ 6611.200077][ T73] ret_from_fork+0x31/0x70 [ 6611.200077][ T73] ret_from_fork_asm+0x1a/0x30 [ 6611.200077][ T73] [ 6611.202237][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6611.202237][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.202237][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.202237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.202237][ T73] ip6_route_add+0x1c/0x140 [ 6611.202237][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6611.202237][ T73] inet6_addr_add+0x4f8/0xa40 [ 6611.202237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.202237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.202237][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.202237][ T73] netlink_unicast+0x449/0x710 [ 6611.202237][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.202237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.202237][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.202237][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.202237][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.202237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.202237][ T73] [ 6611.204464][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6611.204464][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.204464][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.204464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.204464][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6611.204464][ T73] ipv6_add_addr+0x411/0x2000 [ 6611.204464][ T73] inet6_addr_add+0x30e/0xa40 [ 6611.204464][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.204464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.204464][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.204464][ T73] netlink_unicast+0x449/0x710 [ 6611.204464][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.204464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.204464][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.204464][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.204464][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.204464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.204464][ T73] [ 6611.206753][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6611.206753][ T73] netdev_get_by_index+0x5e/0x80 [ 6611.206753][ T73] fib6_nh_init+0x3d8/0x1580 [ 6611.206753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6611.206753][ T73] ip6_route_add+0x1c/0x140 [ 6611.206753][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6611.206753][ T73] addrconf_add_dev+0xe2/0x170 [ 6611.206753][ T73] inet6_addr_add+0x12f/0xa40 [ 6611.206753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.206753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.206753][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.206753][ T73] netlink_unicast+0x449/0x710 [ 6611.206753][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.206753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.206753][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.206753][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.206753][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.206753][ T73] [ 6611.208952][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6611.208952][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6611.208952][ T73] ipv6_find_idev+0x102/0x170 [ 6611.208952][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.208952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.208952][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.208952][ T73] netlink_unicast+0x449/0x710 [ 6611.208952][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.208952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.208952][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.208952][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.208952][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.208952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.208952][ T73] [ 6611.210605][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6611.210605][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6611.210605][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6611.210605][ T73] ipv6_find_idev+0x102/0x170 [ 6611.210605][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.210605][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.210605][ T73] netlink_rcv_skb+0x130/0x360 [ 6611.210605][ T73] netlink_unicast+0x449/0x710 [ 6611.210605][ T73] netlink_sendmsg+0x723/0xbe0 [ 6611.210605][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6611.210605][ T73] ___sys_sendmsg+0xee/0x170 [ 6611.210605][ T73] __sys_sendmsg+0xcd/0x170 [ 6611.210605][ T73] do_syscall_64+0xc6/0x1e0 [ 6611.210605][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.210605][ T73] [ 6621.374825][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6621.375279][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.375279][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6621.375279][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6621.375279][ T73] fib6_nh_init+0xa22/0x1580 [ 6621.375279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.375279][ T73] ip6_route_add+0x1c/0x140 [ 6621.375279][ T73] inet6_rtm_newroute+0x104/0x110 [ 6621.375279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.375279][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.375279][ T73] netlink_unicast+0x449/0x710 [ 6621.375279][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.375279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.375279][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.375279][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.375279][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.375279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.375279][ T73] [ 6621.377157][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.377157][ T73] dst_init+0x84/0x4a0 [ 6621.377157][ T73] dst_alloc+0x97/0x150 [ 6621.377157][ T73] ip6_dst_alloc+0x23/0x90 [ 6621.377157][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6621.377157][ T73] ip6_pol_route+0x56f/0x840 [ 6621.377157][ T73] fib6_rule_lookup+0x456/0x630 [ 6621.377157][ T73] ip6_route_input+0x59c/0xa50 [ 6621.377157][ T73] ipv6_rcv+0x397/0x810 [ 6621.377157][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6621.377157][ T73] process_backlog+0x101/0x620 [ 6621.377157][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6621.377157][ T73] net_rx_action+0x495/0xbe0 [ 6621.377157][ T73] __do_softirq+0x1b5/0x7f6 [ 6621.377157][ T73] [ 6621.378772][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.378772][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.378772][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.378772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.378772][ T73] ip6_route_add+0x1c/0x140 [ 6621.378772][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6621.378772][ T73] inet6_addr_add+0x4f8/0xa40 [ 6621.378772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.378772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.378772][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.378772][ T73] netlink_unicast+0x449/0x710 [ 6621.378772][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.378772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.378772][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.378772][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.378772][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.378772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.378772][ T73] [ 6621.380778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.380778][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.380778][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.380778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.380778][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6621.380778][ T73] ipv6_add_addr+0x411/0x2000 [ 6621.380778][ T73] inet6_addr_add+0x30e/0xa40 [ 6621.380778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.380778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.380778][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.380778][ T73] netlink_unicast+0x449/0x710 [ 6621.380778][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.380778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.380778][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.380778][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.380778][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.380778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.380778][ T73] [ 6621.382761][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.382761][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.382761][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.382761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.382761][ T73] ip6_route_add+0x1c/0x140 [ 6621.382761][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6621.382761][ T73] addrconf_add_dev+0xe2/0x170 [ 6621.382761][ T73] inet6_addr_add+0x12f/0xa40 [ 6621.382761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.382761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.382761][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.382761][ T73] netlink_unicast+0x449/0x710 [ 6621.382761][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.382761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.382761][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.382761][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.382761][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.382761][ T73] [ 6621.384687][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.384687][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6621.384687][ T73] ipv6_find_idev+0x102/0x170 [ 6621.384687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.384687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.384687][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.384687][ T73] netlink_unicast+0x449/0x710 [ 6621.384687][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.384687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.384687][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.384687][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.384687][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.384687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.384687][ T73] [ 6621.386209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6621.386209][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6621.386209][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6621.386209][ T73] ipv6_find_idev+0x102/0x170 [ 6621.386209][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.386209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.386209][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.386209][ T73] netlink_unicast+0x449/0x710 [ 6621.386209][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.386209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.386209][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.386209][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.386209][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.386209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.386209][ T73] [ 6621.387888][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6621.388172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.388172][ T73] dst_init+0x84/0x4a0 [ 6621.388172][ T73] dst_alloc+0x97/0x150 [ 6621.388172][ T73] ip6_dst_alloc+0x23/0x90 [ 6621.388172][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6621.388172][ T73] ip6_pol_route+0x56f/0x840 [ 6621.388172][ T73] fib6_rule_lookup+0x456/0x630 [ 6621.388172][ T73] ip6_route_input+0x59c/0xa50 [ 6621.388172][ T73] ipv6_rcv+0x397/0x810 [ 6621.388172][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6621.388172][ T73] process_backlog+0x101/0x620 [ 6621.388172][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6621.388172][ T73] net_rx_action+0x495/0xbe0 [ 6621.388172][ T73] __do_softirq+0x1b5/0x7f6 [ 6621.388172][ T73] [ 6621.389796][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.389796][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.389796][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.389796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.389796][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6621.389796][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6621.389796][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6621.389796][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6621.389796][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6621.389796][ T73] addrconf_dad_begin+0x310/0x670 [ 6621.389796][ T73] addrconf_dad_work+0x10b/0xab0 [ 6621.389796][ T73] process_one_work+0x84d/0x18a0 [ 6621.389796][ T73] worker_thread+0x587/0xd30 [ 6621.389796][ T73] kthread+0x28a/0x350 [ 6621.389796][ T73] ret_from_fork+0x31/0x70 [ 6621.389796][ T73] ret_from_fork_asm+0x1a/0x30 [ 6621.389796][ T73] [ 6621.391709][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.391709][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.391709][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.391709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.391709][ T73] ip6_route_add+0x1c/0x140 [ 6621.391709][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6621.391709][ T73] inet6_addr_add+0x4f8/0xa40 [ 6621.391709][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.391709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.391709][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.391709][ T73] netlink_unicast+0x449/0x710 [ 6621.391709][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.391709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.391709][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.391709][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.391709][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.391709][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.391709][ T73] [ 6621.393687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.393687][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.393687][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.393687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.393687][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6621.393687][ T73] ipv6_add_addr+0x411/0x2000 [ 6621.393687][ T73] inet6_addr_add+0x30e/0xa40 [ 6621.393687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.393687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.393687][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.393687][ T73] netlink_unicast+0x449/0x710 [ 6621.393687][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.393687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.393687][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.393687][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.393687][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.393687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.393687][ T73] [ 6621.395663][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.395663][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.395663][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.395663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.395663][ T73] ip6_route_add+0x1c/0x140 [ 6621.395663][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6621.395663][ T73] addrconf_add_dev+0xe2/0x170 [ 6621.395663][ T73] inet6_addr_add+0x12f/0xa40 [ 6621.395663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.395663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.395663][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.395663][ T73] netlink_unicast+0x449/0x710 [ 6621.395663][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.395663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.395663][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.395663][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.395663][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.395663][ T73] [ 6621.397609][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.397609][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6621.397609][ T73] ipv6_find_idev+0x102/0x170 [ 6621.397609][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.397609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.397609][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.397609][ T73] netlink_unicast+0x449/0x710 [ 6621.397609][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.397609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.397609][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.397609][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.397609][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.397609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.397609][ T73] [ 6621.399137][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6621.399137][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6621.399137][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6621.399137][ T73] ipv6_find_idev+0x102/0x170 [ 6621.399137][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.399137][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.399137][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.399137][ T73] netlink_unicast+0x449/0x710 [ 6621.399137][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.399137][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.399137][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.399137][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.399137][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.399137][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.399137][ T73] [ 6621.400906][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6621.401172][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.401172][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6621.401172][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6621.401172][ T73] fib6_nh_init+0xa22/0x1580 [ 6621.401172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.401172][ T73] ip6_route_add+0x1c/0x140 [ 6621.401172][ T73] inet6_rtm_newroute+0x104/0x110 [ 6621.401172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.401172][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.401172][ T73] netlink_unicast+0x449/0x710 [ 6621.401172][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.401172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.401172][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.401172][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.401172][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.401172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.401172][ T73] [ 6621.403697][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.403697][ T73] dst_init+0x84/0x4a0 [ 6621.403697][ T73] dst_alloc+0x97/0x150 [ 6621.403697][ T73] ip6_dst_alloc+0x23/0x90 [ 6621.403697][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6621.403697][ T73] ip6_pol_route+0x56f/0x840 [ 6621.403697][ T73] fib6_rule_lookup+0x456/0x630 [ 6621.403697][ T73] ip6_route_input+0x59c/0xa50 [ 6621.403697][ T73] ipv6_rcv+0x397/0x810 [ 6621.403697][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6621.403697][ T73] process_backlog+0x101/0x620 [ 6621.403697][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6621.403697][ T73] net_rx_action+0x495/0xbe0 [ 6621.403697][ T73] __do_softirq+0x1b5/0x7f6 [ 6621.403697][ T73] [ 6621.405469][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.405469][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.405469][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.405469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.405469][ T73] ip6_route_add+0x1c/0x140 [ 6621.405469][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6621.405469][ T73] inet6_addr_add+0x4f8/0xa40 [ 6621.405469][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.405469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.405469][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.405469][ T73] netlink_unicast+0x449/0x710 [ 6621.405469][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.405469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.405469][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.405469][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.405469][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.405469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.405469][ T73] [ 6621.407587][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.407587][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.407587][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.407587][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.407587][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6621.407587][ T73] ipv6_add_addr+0x411/0x2000 [ 6621.407587][ T73] inet6_addr_add+0x30e/0xa40 [ 6621.407587][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.407587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.407587][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.407587][ T73] netlink_unicast+0x449/0x710 [ 6621.407587][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.407587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.407587][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.407587][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.407587][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.407587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.407587][ T73] [ 6621.409639][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.409639][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.409639][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.409639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.409639][ T73] ip6_route_add+0x1c/0x140 [ 6621.409639][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6621.409639][ T73] addrconf_add_dev+0xe2/0x170 [ 6621.409639][ T73] inet6_addr_add+0x12f/0xa40 [ 6621.409639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.409639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.409639][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.409639][ T73] netlink_unicast+0x449/0x710 [ 6621.409639][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.409639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.409639][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.409639][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.409639][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.409639][ T73] [ 6621.412302][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.412302][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6621.412302][ T73] ipv6_find_idev+0x102/0x170 [ 6621.412302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.412302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.412302][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.412302][ T73] netlink_unicast+0x449/0x710 [ 6621.412302][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.412302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.412302][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.412302][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.412302][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.412302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.412302][ T73] [ 6621.413904][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6621.413904][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6621.413904][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6621.413904][ T73] ipv6_find_idev+0x102/0x170 [ 6621.413904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.413904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.413904][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.413904][ T73] netlink_unicast+0x449/0x710 [ 6621.413904][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.413904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.413904][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.413904][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.413904][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.413904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.413904][ T73] [ 6621.415719][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6621.416443][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6621.416443][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.416443][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.416443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.416443][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6621.416443][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6621.416443][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6621.416443][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6621.416443][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6621.416443][ T73] addrconf_dad_begin+0x310/0x670 [ 6621.416443][ T73] addrconf_dad_work+0x10b/0xab0 [ 6621.416443][ T73] process_one_work+0x84d/0x18a0 [ 6621.416443][ T73] worker_thread+0x587/0xd30 [ 6621.416443][ T73] kthread+0x28a/0x350 [ 6621.416443][ T73] ret_from_fork+0x31/0x70 [ 6621.416443][ T73] ret_from_fork_asm+0x1a/0x30 [ 6621.416443][ T73] [ 6621.418346][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6621.418346][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.418346][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.418346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.418346][ T73] ip6_route_add+0x1c/0x140 [ 6621.418346][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6621.418346][ T73] inet6_addr_add+0x4f8/0xa40 [ 6621.418346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.418346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.418346][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.418346][ T73] netlink_unicast+0x449/0x710 [ 6621.418346][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.418346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.418346][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.418346][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.418346][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.418346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.418346][ T73] [ 6621.420397][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6621.420397][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.420397][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.420397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.420397][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6621.420397][ T73] ipv6_add_addr+0x411/0x2000 [ 6621.420397][ T73] inet6_addr_add+0x30e/0xa40 [ 6621.420397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.420397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.420397][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.420397][ T73] netlink_unicast+0x449/0x710 [ 6621.420397][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.420397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.420397][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.420397][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.420397][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.420397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.420397][ T73] [ 6621.422522][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6621.422522][ T73] netdev_get_by_index+0x5e/0x80 [ 6621.422522][ T73] fib6_nh_init+0x3d8/0x1580 [ 6621.422522][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6621.422522][ T73] ip6_route_add+0x1c/0x140 [ 6621.422522][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6621.422522][ T73] addrconf_add_dev+0xe2/0x170 [ 6621.422522][ T73] inet6_addr_add+0x12f/0xa40 [ 6621.422522][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.422522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.422522][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.422522][ T73] netlink_unicast+0x449/0x710 [ 6621.422522][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.422522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.422522][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.422522][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.422522][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.422522][ T73] [ 6621.424668][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6621.424668][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6621.424668][ T73] ipv6_find_idev+0x102/0x170 [ 6621.424668][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.424668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.424668][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.424668][ T73] netlink_unicast+0x449/0x710 [ 6621.424668][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.424668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.424668][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.424668][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.424668][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.424668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.424668][ T73] [ 6621.426270][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6621.426270][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6621.426270][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6621.426270][ T73] ipv6_find_idev+0x102/0x170 [ 6621.426270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.426270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.426270][ T73] netlink_rcv_skb+0x130/0x360 [ 6621.426270][ T73] netlink_unicast+0x449/0x710 [ 6621.426270][ T73] netlink_sendmsg+0x723/0xbe0 [ 6621.426270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6621.426270][ T73] ___sys_sendmsg+0xee/0x170 [ 6621.426270][ T73] __sys_sendmsg+0xcd/0x170 [ 6621.426270][ T73] do_syscall_64+0xc6/0x1e0 [ 6621.426270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.426270][ T73] [ 6631.678890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6631.679323][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.679323][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6631.679323][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6631.679323][ T73] fib6_nh_init+0xa22/0x1580 [ 6631.679323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.679323][ T73] ip6_route_add+0x1c/0x140 [ 6631.679323][ T73] inet6_rtm_newroute+0x104/0x110 [ 6631.679323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.679323][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.679323][ T73] netlink_unicast+0x449/0x710 [ 6631.679323][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.679323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.679323][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.679323][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.679323][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.679323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.679323][ T73] [ 6631.681222][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.681222][ T73] dst_init+0x84/0x4a0 [ 6631.681222][ T73] dst_alloc+0x97/0x150 [ 6631.681222][ T73] ip6_dst_alloc+0x23/0x90 [ 6631.681222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6631.681222][ T73] ip6_pol_route+0x56f/0x840 [ 6631.681222][ T73] fib6_rule_lookup+0x456/0x630 [ 6631.681222][ T73] ip6_route_input+0x59c/0xa50 [ 6631.681222][ T73] ipv6_rcv+0x397/0x810 [ 6631.681222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6631.681222][ T73] process_backlog+0x101/0x620 [ 6631.681222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6631.681222][ T73] net_rx_action+0x495/0xbe0 [ 6631.681222][ T73] __do_softirq+0x1b5/0x7f6 [ 6631.681222][ T73] [ 6631.682862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.682862][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.682862][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.682862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.682862][ T73] ip6_route_add+0x1c/0x140 [ 6631.682862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6631.682862][ T73] inet6_addr_add+0x4f8/0xa40 [ 6631.682862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.682862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.682862][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.682862][ T73] netlink_unicast+0x449/0x710 [ 6631.682862][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.682862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.682862][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.682862][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.682862][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.682862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.682862][ T73] [ 6631.685216][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.685216][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.685216][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.685216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.685216][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6631.685216][ T73] ipv6_add_addr+0x411/0x2000 [ 6631.685216][ T73] inet6_addr_add+0x30e/0xa40 [ 6631.685216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.685216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.685216][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.685216][ T73] netlink_unicast+0x449/0x710 [ 6631.685216][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.685216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.685216][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.685216][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.685216][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.685216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.685216][ T73] [ 6631.687195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.687195][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.687195][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.687195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.687195][ T73] ip6_route_add+0x1c/0x140 [ 6631.687195][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6631.687195][ T73] addrconf_add_dev+0xe2/0x170 [ 6631.687195][ T73] inet6_addr_add+0x12f/0xa40 [ 6631.687195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.687195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.687195][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.687195][ T73] netlink_unicast+0x449/0x710 [ 6631.687195][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.687195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.687195][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.687195][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.687195][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.687195][ T73] [ 6631.689136][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.689136][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6631.689136][ T73] ipv6_find_idev+0x102/0x170 [ 6631.689136][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.689136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.689136][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.689136][ T73] netlink_unicast+0x449/0x710 [ 6631.689136][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.689136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.689136][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.689136][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.689136][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.689136][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.689136][ T73] [ 6631.690681][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6631.690681][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6631.690681][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6631.690681][ T73] ipv6_find_idev+0x102/0x170 [ 6631.690681][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.690681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.690681][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.690681][ T73] netlink_unicast+0x449/0x710 [ 6631.690681][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.690681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.690681][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.690681][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.690681][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.690681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.690681][ T73] [ 6631.692356][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6631.692623][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.692623][ T73] dst_init+0x84/0x4a0 [ 6631.692623][ T73] dst_alloc+0x97/0x150 [ 6631.692623][ T73] ip6_dst_alloc+0x23/0x90 [ 6631.692623][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6631.692623][ T73] ip6_pol_route+0x56f/0x840 [ 6631.692623][ T73] fib6_rule_lookup+0x456/0x630 [ 6631.692623][ T73] ip6_route_input+0x59c/0xa50 [ 6631.692623][ T73] ipv6_rcv+0x397/0x810 [ 6631.692623][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6631.692623][ T73] process_backlog+0x101/0x620 [ 6631.692623][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6631.692623][ T73] net_rx_action+0x495/0xbe0 [ 6631.692623][ T73] __do_softirq+0x1b5/0x7f6 [ 6631.692623][ T73] [ 6631.694243][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.694243][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.694243][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.694243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.694243][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6631.694243][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6631.694243][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6631.694243][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6631.694243][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6631.694243][ T73] addrconf_dad_begin+0x310/0x670 [ 6631.694243][ T73] addrconf_dad_work+0x10b/0xab0 [ 6631.694243][ T73] process_one_work+0x84d/0x18a0 [ 6631.694243][ T73] worker_thread+0x587/0xd30 [ 6631.694243][ T73] kthread+0x28a/0x350 [ 6631.694243][ T73] ret_from_fork+0x31/0x70 [ 6631.694243][ T73] ret_from_fork_asm+0x1a/0x30 [ 6631.694243][ T73] [ 6631.696127][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.696127][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.696127][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.696127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.696127][ T73] ip6_route_add+0x1c/0x140 [ 6631.696127][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6631.696127][ T73] inet6_addr_add+0x4f8/0xa40 [ 6631.696127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.696127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.696127][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.696127][ T73] netlink_unicast+0x449/0x710 [ 6631.696127][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.696127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.696127][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.696127][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.696127][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.696127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.696127][ T73] [ 6631.698102][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.698102][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.698102][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.698102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.698102][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6631.698102][ T73] ipv6_add_addr+0x411/0x2000 [ 6631.698102][ T73] inet6_addr_add+0x30e/0xa40 [ 6631.698102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.698102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.698102][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.698102][ T73] netlink_unicast+0x449/0x710 [ 6631.698102][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.698102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.698102][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.698102][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.698102][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.698102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.698102][ T73] [ 6631.700093][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.700093][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.700093][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.700093][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.700093][ T73] ip6_route_add+0x1c/0x140 [ 6631.700093][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6631.700093][ T73] addrconf_add_dev+0xe2/0x170 [ 6631.700093][ T73] inet6_addr_add+0x12f/0xa40 [ 6631.700093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.700093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.700093][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.700093][ T73] netlink_unicast+0x449/0x710 [ 6631.700093][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.700093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.700093][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.700093][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.700093][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.700093][ T73] [ 6631.702035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.702035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6631.702035][ T73] ipv6_find_idev+0x102/0x170 [ 6631.702035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.702035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.702035][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.702035][ T73] netlink_unicast+0x449/0x710 [ 6631.702035][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.702035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.702035][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.702035][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.702035][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.702035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.702035][ T73] [ 6631.703564][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6631.703564][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6631.703564][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6631.703564][ T73] ipv6_find_idev+0x102/0x170 [ 6631.703564][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.703564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.703564][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.703564][ T73] netlink_unicast+0x449/0x710 [ 6631.703564][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.703564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.703564][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.703564][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.703564][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.703564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.703564][ T73] [ 6631.705297][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6631.705565][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.705565][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6631.705565][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6631.705565][ T73] fib6_nh_init+0xa22/0x1580 [ 6631.705565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.705565][ T73] ip6_route_add+0x1c/0x140 [ 6631.705565][ T73] inet6_rtm_newroute+0x104/0x110 [ 6631.705565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.705565][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.705565][ T73] netlink_unicast+0x449/0x710 [ 6631.705565][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.705565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.705565][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.705565][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.705565][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.705565][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.705565][ T73] [ 6631.707483][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.707483][ T73] dst_init+0x84/0x4a0 [ 6631.707483][ T73] dst_alloc+0x97/0x150 [ 6631.707483][ T73] ip6_dst_alloc+0x23/0x90 [ 6631.707483][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6631.707483][ T73] ip6_pol_route+0x56f/0x840 [ 6631.707483][ T73] fib6_rule_lookup+0x456/0x630 [ 6631.707483][ T73] ip6_route_input+0x59c/0xa50 [ 6631.707483][ T73] ipv6_rcv+0x397/0x810 [ 6631.707483][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6631.707483][ T73] process_backlog+0x101/0x620 [ 6631.707483][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6631.707483][ T73] net_rx_action+0x495/0xbe0 [ 6631.707483][ T73] __do_softirq+0x1b5/0x7f6 [ 6631.707483][ T73] [ 6631.709176][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.709176][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.709176][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.709176][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.709176][ T73] ip6_route_add+0x1c/0x140 [ 6631.709176][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6631.709176][ T73] inet6_addr_add+0x4f8/0xa40 [ 6631.709176][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.709176][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.709176][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.709176][ T73] netlink_unicast+0x449/0x710 [ 6631.709176][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.709176][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.709176][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.709176][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.709176][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.709176][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.709176][ T73] [ 6631.711305][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.711305][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.711305][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.711305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.711305][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6631.711305][ T73] ipv6_add_addr+0x411/0x2000 [ 6631.711305][ T73] inet6_addr_add+0x30e/0xa40 [ 6631.711305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.711305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.711305][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.711305][ T73] netlink_unicast+0x449/0x710 [ 6631.711305][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.711305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.711305][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.711305][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.711305][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.711305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.711305][ T73] [ 6631.713427][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.713427][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.713427][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.713427][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.713427][ T73] ip6_route_add+0x1c/0x140 [ 6631.713427][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6631.713427][ T73] addrconf_add_dev+0xe2/0x170 [ 6631.713427][ T73] inet6_addr_add+0x12f/0xa40 [ 6631.713427][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.713427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.713427][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.713427][ T73] netlink_unicast+0x449/0x710 [ 6631.713427][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.713427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.713427][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.713427][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.713427][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.713427][ T73] [ 6631.715449][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.715449][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6631.715449][ T73] ipv6_find_idev+0x102/0x170 [ 6631.715449][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.715449][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.715449][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.715449][ T73] netlink_unicast+0x449/0x710 [ 6631.715449][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.715449][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.715449][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.715449][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.715449][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.715449][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.715449][ T73] [ 6631.717045][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6631.717045][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6631.717045][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6631.717045][ T73] ipv6_find_idev+0x102/0x170 [ 6631.717045][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.717045][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.717045][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.717045][ T73] netlink_unicast+0x449/0x710 [ 6631.717045][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.717045][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.717045][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.717045][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.717045][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.717045][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.717045][ T73] [ 6631.718796][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6631.719071][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6631.719071][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.719071][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.719071][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.719071][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6631.719071][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6631.719071][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6631.719071][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6631.719071][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6631.719071][ T73] addrconf_dad_begin+0x310/0x670 [ 6631.719071][ T73] addrconf_dad_work+0x10b/0xab0 [ 6631.719071][ T73] process_one_work+0x84d/0x18a0 [ 6631.719071][ T73] worker_thread+0x587/0xd30 [ 6631.719071][ T73] kthread+0x28a/0x350 [ 6631.719071][ T73] ret_from_fork+0x31/0x70 [ 6631.719071][ T73] ret_from_fork_asm+0x1a/0x30 [ 6631.719071][ T73] [ 6631.721116][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6631.721116][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.721116][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.721116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.721116][ T73] ip6_route_add+0x1c/0x140 [ 6631.721116][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6631.721116][ T73] inet6_addr_add+0x4f8/0xa40 [ 6631.721116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.721116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.721116][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.721116][ T73] netlink_unicast+0x449/0x710 [ 6631.721116][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.721116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.721116][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.721116][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.721116][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.721116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.721116][ T73] [ 6631.723161][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6631.723161][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.723161][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.723161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.723161][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6631.723161][ T73] ipv6_add_addr+0x411/0x2000 [ 6631.723161][ T73] inet6_addr_add+0x30e/0xa40 [ 6631.723161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.723161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.723161][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.723161][ T73] netlink_unicast+0x449/0x710 [ 6631.723161][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.723161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.723161][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.723161][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.723161][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.723161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.723161][ T73] [ 6631.725205][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6631.725205][ T73] netdev_get_by_index+0x5e/0x80 [ 6631.725205][ T73] fib6_nh_init+0x3d8/0x1580 [ 6631.725205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6631.725205][ T73] ip6_route_add+0x1c/0x140 [ 6631.725205][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6631.725205][ T73] addrconf_add_dev+0xe2/0x170 [ 6631.725205][ T73] inet6_addr_add+0x12f/0xa40 [ 6631.725205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.725205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.725205][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.725205][ T73] netlink_unicast+0x449/0x710 [ 6631.725205][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.725205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.725205][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.725205][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.725205][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.725205][ T73] [ 6631.727229][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6631.727229][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6631.727229][ T73] ipv6_find_idev+0x102/0x170 [ 6631.727229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.727229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.727229][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.727229][ T73] netlink_unicast+0x449/0x710 [ 6631.727229][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.727229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.727229][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.727229][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.727229][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.727229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.727229][ T73] [ 6631.728822][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6631.728822][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6631.728822][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6631.728822][ T73] ipv6_find_idev+0x102/0x170 [ 6631.728822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.728822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.728822][ T73] netlink_rcv_skb+0x130/0x360 [ 6631.728822][ T73] netlink_unicast+0x449/0x710 [ 6631.728822][ T73] netlink_sendmsg+0x723/0xbe0 [ 6631.728822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6631.728822][ T73] ___sys_sendmsg+0xee/0x170 [ 6631.728822][ T73] __sys_sendmsg+0xcd/0x170 [ 6631.728822][ T73] do_syscall_64+0xc6/0x1e0 [ 6631.728822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.728822][ T73] [ 6641.950902][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6641.951361][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.951361][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6641.951361][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6641.951361][ T73] fib6_nh_init+0xa22/0x1580 [ 6641.951361][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.951361][ T73] ip6_route_add+0x1c/0x140 [ 6641.951361][ T73] inet6_rtm_newroute+0x104/0x110 [ 6641.951361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.951361][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.951361][ T73] netlink_unicast+0x449/0x710 [ 6641.951361][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.951361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.951361][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.951361][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.951361][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.951361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.951361][ T73] [ 6641.953215][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.953215][ T73] dst_init+0x84/0x4a0 [ 6641.953215][ T73] dst_alloc+0x97/0x150 [ 6641.953215][ T73] ip6_dst_alloc+0x23/0x90 [ 6641.953215][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6641.953215][ T73] ip6_pol_route+0x56f/0x840 [ 6641.953215][ T73] fib6_rule_lookup+0x456/0x630 [ 6641.953215][ T73] ip6_route_input+0x59c/0xa50 [ 6641.953215][ T73] ipv6_rcv+0x397/0x810 [ 6641.953215][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6641.953215][ T73] process_backlog+0x101/0x620 [ 6641.953215][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6641.953215][ T73] net_rx_action+0x495/0xbe0 [ 6641.953215][ T73] __do_softirq+0x1b5/0x7f6 [ 6641.953215][ T73] [ 6641.954826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.954826][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.954826][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.954826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.954826][ T73] ip6_route_add+0x1c/0x140 [ 6641.954826][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6641.954826][ T73] inet6_addr_add+0x4f8/0xa40 [ 6641.954826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.954826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.954826][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.954826][ T73] netlink_unicast+0x449/0x710 [ 6641.954826][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.954826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.954826][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.954826][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.954826][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.954826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.954826][ T73] [ 6641.957195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.957195][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.957195][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.957195][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.957195][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6641.957195][ T73] ipv6_add_addr+0x411/0x2000 [ 6641.957195][ T73] inet6_addr_add+0x30e/0xa40 [ 6641.957195][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.957195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.957195][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.957195][ T73] netlink_unicast+0x449/0x710 [ 6641.957195][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.957195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.957195][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.957195][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.957195][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.957195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.957195][ T73] [ 6641.959166][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.959166][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.959166][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.959166][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.959166][ T73] ip6_route_add+0x1c/0x140 [ 6641.959166][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6641.959166][ T73] addrconf_add_dev+0xe2/0x170 [ 6641.959166][ T73] inet6_addr_add+0x12f/0xa40 [ 6641.959166][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.959166][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.959166][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.959166][ T73] netlink_unicast+0x449/0x710 [ 6641.959166][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.959166][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.959166][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.959166][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.959166][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.959166][ T73] [ 6641.961145][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.961145][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6641.961145][ T73] ipv6_find_idev+0x102/0x170 [ 6641.961145][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.961145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.961145][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.961145][ T73] netlink_unicast+0x449/0x710 [ 6641.961145][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.961145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.961145][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.961145][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.961145][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.961145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.961145][ T73] [ 6641.962687][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6641.962687][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6641.962687][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6641.962687][ T73] ipv6_find_idev+0x102/0x170 [ 6641.962687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.962687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.962687][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.962687][ T73] netlink_unicast+0x449/0x710 [ 6641.962687][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.962687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.962687][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.962687][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.962687][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.962687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.962687][ T73] [ 6641.964358][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6641.964637][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.964637][ T73] dst_init+0x84/0x4a0 [ 6641.964637][ T73] dst_alloc+0x97/0x150 [ 6641.964637][ T73] ip6_dst_alloc+0x23/0x90 [ 6641.964637][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6641.964637][ T73] ip6_pol_route+0x56f/0x840 [ 6641.964637][ T73] fib6_rule_lookup+0x456/0x630 [ 6641.964637][ T73] ip6_route_input+0x59c/0xa50 [ 6641.964637][ T73] ipv6_rcv+0x397/0x810 [ 6641.964637][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6641.964637][ T73] process_backlog+0x101/0x620 [ 6641.964637][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6641.964637][ T73] net_rx_action+0x495/0xbe0 [ 6641.964637][ T73] __do_softirq+0x1b5/0x7f6 [ 6641.964637][ T73] [ 6641.966301][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.966301][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.966301][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.966301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.966301][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6641.966301][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6641.966301][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6641.966301][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6641.966301][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6641.966301][ T73] addrconf_dad_begin+0x310/0x670 [ 6641.966301][ T73] addrconf_dad_work+0x10b/0xab0 [ 6641.966301][ T73] process_one_work+0x84d/0x18a0 [ 6641.966301][ T73] worker_thread+0x587/0xd30 [ 6641.966301][ T73] kthread+0x28a/0x350 [ 6641.966301][ T73] ret_from_fork+0x31/0x70 [ 6641.966301][ T73] ret_from_fork_asm+0x1a/0x30 [ 6641.966301][ T73] [ 6641.968237][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.968237][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.968237][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.968237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.968237][ T73] ip6_route_add+0x1c/0x140 [ 6641.968237][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6641.968237][ T73] inet6_addr_add+0x4f8/0xa40 [ 6641.968237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.968237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.968237][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.968237][ T73] netlink_unicast+0x449/0x710 [ 6641.968237][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.968237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.968237][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.968237][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.968237][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.968237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.968237][ T73] [ 6641.970239][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.970239][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.970239][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.970239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.970239][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6641.970239][ T73] ipv6_add_addr+0x411/0x2000 [ 6641.970239][ T73] inet6_addr_add+0x30e/0xa40 [ 6641.970239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.970239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.970239][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.970239][ T73] netlink_unicast+0x449/0x710 [ 6641.970239][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.970239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.970239][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.970239][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.970239][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.970239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.970239][ T73] [ 6641.972252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.972252][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.972252][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.972252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.972252][ T73] ip6_route_add+0x1c/0x140 [ 6641.972252][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6641.972252][ T73] addrconf_add_dev+0xe2/0x170 [ 6641.972252][ T73] inet6_addr_add+0x12f/0xa40 [ 6641.972252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.972252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.972252][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.972252][ T73] netlink_unicast+0x449/0x710 [ 6641.972252][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.972252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.972252][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.972252][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.972252][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.972252][ T73] [ 6641.974202][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.974202][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6641.974202][ T73] ipv6_find_idev+0x102/0x170 [ 6641.974202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.974202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.974202][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.974202][ T73] netlink_unicast+0x449/0x710 [ 6641.974202][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.974202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.974202][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.974202][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.974202][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.974202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.974202][ T73] [ 6641.975751][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6641.975751][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6641.975751][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6641.975751][ T73] ipv6_find_idev+0x102/0x170 [ 6641.975751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.975751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.975751][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.975751][ T73] netlink_unicast+0x449/0x710 [ 6641.975751][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.975751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.975751][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.975751][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.975751][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.975751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.975751][ T73] [ 6641.977508][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6641.977854][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.977854][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6641.977854][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6641.977854][ T73] fib6_nh_init+0xa22/0x1580 [ 6641.977854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.977854][ T73] ip6_route_add+0x1c/0x140 [ 6641.977854][ T73] inet6_rtm_newroute+0x104/0x110 [ 6641.977854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.977854][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.977854][ T73] netlink_unicast+0x449/0x710 [ 6641.977854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.977854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.977854][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.977854][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.977854][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.977854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.977854][ T73] [ 6641.980008][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.980008][ T73] dst_init+0x84/0x4a0 [ 6641.980008][ T73] dst_alloc+0x97/0x150 [ 6641.980008][ T73] ip6_dst_alloc+0x23/0x90 [ 6641.980008][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6641.980008][ T73] ip6_pol_route+0x56f/0x840 [ 6641.980008][ T73] fib6_rule_lookup+0x456/0x630 [ 6641.980008][ T73] ip6_route_input+0x59c/0xa50 [ 6641.980008][ T73] ipv6_rcv+0x397/0x810 [ 6641.980008][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6641.980008][ T73] process_backlog+0x101/0x620 [ 6641.980008][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6641.980008][ T73] net_rx_action+0x495/0xbe0 [ 6641.980008][ T73] __do_softirq+0x1b5/0x7f6 [ 6641.980008][ T73] [ 6641.981823][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.981823][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.981823][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.981823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.981823][ T73] ip6_route_add+0x1c/0x140 [ 6641.981823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6641.981823][ T73] inet6_addr_add+0x4f8/0xa40 [ 6641.981823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.981823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.981823][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.981823][ T73] netlink_unicast+0x449/0x710 [ 6641.981823][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.981823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.981823][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.981823][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.981823][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.981823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.981823][ T73] [ 6641.984011][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.984011][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.984011][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.984011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.984011][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6641.984011][ T73] ipv6_add_addr+0x411/0x2000 [ 6641.984011][ T73] inet6_addr_add+0x30e/0xa40 [ 6641.984011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.984011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.984011][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.984011][ T73] netlink_unicast+0x449/0x710 [ 6641.984011][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.984011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.984011][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.984011][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.984011][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.984011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.984011][ T73] [ 6641.986254][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.986254][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.986254][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.986254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.986254][ T73] ip6_route_add+0x1c/0x140 [ 6641.986254][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6641.986254][ T73] addrconf_add_dev+0xe2/0x170 [ 6641.986254][ T73] inet6_addr_add+0x12f/0xa40 [ 6641.986254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.986254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.986254][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.986254][ T73] netlink_unicast+0x449/0x710 [ 6641.986254][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.986254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.986254][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.986254][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.986254][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.986254][ T73] [ 6641.988517][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.988517][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6641.988517][ T73] ipv6_find_idev+0x102/0x170 [ 6641.988517][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.988517][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.988517][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.988517][ T73] netlink_unicast+0x449/0x710 [ 6641.988517][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.988517][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.988517][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.988517][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.988517][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.988517][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.988517][ T73] [ 6641.990245][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6641.990245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6641.990245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6641.990245][ T73] ipv6_find_idev+0x102/0x170 [ 6641.990245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.990245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.990245][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.990245][ T73] netlink_unicast+0x449/0x710 [ 6641.990245][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.990245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.990245][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.990245][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.990245][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.990245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.990245][ T73] [ 6641.992109][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6641.992380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6641.992380][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.992380][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.992380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.992380][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6641.992380][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6641.992380][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6641.992380][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6641.992380][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6641.992380][ T73] addrconf_dad_begin+0x310/0x670 [ 6641.992380][ T73] addrconf_dad_work+0x10b/0xab0 [ 6641.992380][ T73] process_one_work+0x84d/0x18a0 [ 6641.992380][ T73] worker_thread+0x587/0xd30 [ 6641.992380][ T73] kthread+0x28a/0x350 [ 6641.992380][ T73] ret_from_fork+0x31/0x70 [ 6641.992380][ T73] ret_from_fork_asm+0x1a/0x30 [ 6641.992380][ T73] [ 6641.994541][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6641.994541][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.994541][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.994541][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.994541][ T73] ip6_route_add+0x1c/0x140 [ 6641.994541][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6641.994541][ T73] inet6_addr_add+0x4f8/0xa40 [ 6641.994541][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.994541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.994541][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.994541][ T73] netlink_unicast+0x449/0x710 [ 6641.994541][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.994541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.994541][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.994541][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.994541][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.994541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.994541][ T73] [ 6641.996802][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6641.996802][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.996802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.996802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.996802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6641.996802][ T73] ipv6_add_addr+0x411/0x2000 [ 6641.996802][ T73] inet6_addr_add+0x30e/0xa40 [ 6641.996802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.996802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.996802][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.996802][ T73] netlink_unicast+0x449/0x710 [ 6641.996802][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.996802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.996802][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.996802][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.996802][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.996802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.996802][ T73] [ 6641.999108][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6641.999108][ T73] netdev_get_by_index+0x5e/0x80 [ 6641.999108][ T73] fib6_nh_init+0x3d8/0x1580 [ 6641.999108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6641.999108][ T73] ip6_route_add+0x1c/0x140 [ 6641.999108][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6641.999108][ T73] addrconf_add_dev+0xe2/0x170 [ 6641.999108][ T73] inet6_addr_add+0x12f/0xa40 [ 6641.999108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.999108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.999108][ T73] netlink_rcv_skb+0x130/0x360 [ 6641.999108][ T73] netlink_unicast+0x449/0x710 [ 6641.999108][ T73] netlink_sendmsg+0x723/0xbe0 [ 6641.999108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6641.999108][ T73] ___sys_sendmsg+0xee/0x170 [ 6641.999108][ T73] __sys_sendmsg+0xcd/0x170 [ 6641.999108][ T73] do_syscall_64+0xc6/0x1e0 [ 6641.999108][ T73] [ 6642.001282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6642.001282][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6642.001282][ T73] ipv6_find_idev+0x102/0x170 [ 6642.001282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6642.001282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6642.001282][ T73] netlink_rcv_skb+0x130/0x360 [ 6642.001282][ T73] netlink_unicast+0x449/0x710 [ 6642.001282][ T73] netlink_sendmsg+0x723/0xbe0 [ 6642.001282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6642.001282][ T73] ___sys_sendmsg+0xee/0x170 [ 6642.001282][ T73] __sys_sendmsg+0xcd/0x170 [ 6642.001282][ T73] do_syscall_64+0xc6/0x1e0 [ 6642.001282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6642.001282][ T73] [ 6642.003039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6642.003039][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6642.003039][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6642.003039][ T73] ipv6_find_idev+0x102/0x170 [ 6642.003039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6642.003039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6642.003039][ T73] netlink_rcv_skb+0x130/0x360 [ 6642.003039][ T73] netlink_unicast+0x449/0x710 [ 6642.003039][ T73] netlink_sendmsg+0x723/0xbe0 [ 6642.003039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6642.003039][ T73] ___sys_sendmsg+0xee/0x170 [ 6642.003039][ T73] __sys_sendmsg+0xcd/0x170 [ 6642.003039][ T73] do_syscall_64+0xc6/0x1e0 [ 6642.003039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6642.003039][ T73] [ 6652.246912][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6652.247376][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.247376][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6652.247376][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6652.247376][ T73] fib6_nh_init+0xa22/0x1580 [ 6652.247376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.247376][ T73] ip6_route_add+0x1c/0x140 [ 6652.247376][ T73] inet6_rtm_newroute+0x104/0x110 [ 6652.247376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.247376][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.247376][ T73] netlink_unicast+0x449/0x710 [ 6652.247376][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.247376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.247376][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.247376][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.247376][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.247376][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.247376][ T73] [ 6652.249301][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.249301][ T73] dst_init+0x84/0x4a0 [ 6652.249301][ T73] dst_alloc+0x97/0x150 [ 6652.249301][ T73] ip6_dst_alloc+0x23/0x90 [ 6652.249301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6652.249301][ T73] ip6_pol_route+0x56f/0x840 [ 6652.249301][ T73] fib6_rule_lookup+0x456/0x630 [ 6652.249301][ T73] ip6_route_input+0x59c/0xa50 [ 6652.249301][ T73] ipv6_rcv+0x397/0x810 [ 6652.249301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6652.249301][ T73] process_backlog+0x101/0x620 [ 6652.249301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6652.249301][ T73] net_rx_action+0x495/0xbe0 [ 6652.249301][ T73] __do_softirq+0x1b5/0x7f6 [ 6652.249301][ T73] [ 6652.250953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.250953][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.250953][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.250953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.250953][ T73] ip6_route_add+0x1c/0x140 [ 6652.250953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6652.250953][ T73] inet6_addr_add+0x4f8/0xa40 [ 6652.250953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.250953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.250953][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.250953][ T73] netlink_unicast+0x449/0x710 [ 6652.250953][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.250953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.250953][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.250953][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.250953][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.250953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.250953][ T73] [ 6652.252955][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.252955][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.252955][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.252955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.252955][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6652.252955][ T73] ipv6_add_addr+0x411/0x2000 [ 6652.252955][ T73] inet6_addr_add+0x30e/0xa40 [ 6652.252955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.252955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.252955][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.252955][ T73] netlink_unicast+0x449/0x710 [ 6652.252955][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.252955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.252955][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.252955][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.252955][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.252955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.252955][ T73] [ 6652.254959][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.254959][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.254959][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.254959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.254959][ T73] ip6_route_add+0x1c/0x140 [ 6652.254959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6652.254959][ T73] addrconf_add_dev+0xe2/0x170 [ 6652.254959][ T73] inet6_addr_add+0x12f/0xa40 [ 6652.254959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.254959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.254959][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.254959][ T73] netlink_unicast+0x449/0x710 [ 6652.254959][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.254959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.254959][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.254959][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.254959][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.254959][ T73] [ 6652.256929][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.256929][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6652.256929][ T73] ipv6_find_idev+0x102/0x170 [ 6652.256929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.256929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.256929][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.256929][ T73] netlink_unicast+0x449/0x710 [ 6652.256929][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.256929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.256929][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.256929][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.256929][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.256929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.256929][ T73] [ 6652.258451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6652.258451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6652.258451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6652.258451][ T73] ipv6_find_idev+0x102/0x170 [ 6652.258451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.258451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.258451][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.258451][ T73] netlink_unicast+0x449/0x710 [ 6652.258451][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.258451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.258451][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.258451][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.258451][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.258451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.258451][ T73] [ 6652.260319][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6652.260604][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.260604][ T73] dst_init+0x84/0x4a0 [ 6652.260604][ T73] dst_alloc+0x97/0x150 [ 6652.260604][ T73] ip6_dst_alloc+0x23/0x90 [ 6652.260604][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6652.260604][ T73] ip6_pol_route+0x56f/0x840 [ 6652.260604][ T73] fib6_rule_lookup+0x456/0x630 [ 6652.260604][ T73] ip6_route_input+0x59c/0xa50 [ 6652.260604][ T73] ipv6_rcv+0x397/0x810 [ 6652.260604][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6652.260604][ T73] process_backlog+0x101/0x620 [ 6652.260604][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6652.260604][ T73] net_rx_action+0x495/0xbe0 [ 6652.260604][ T73] __do_softirq+0x1b5/0x7f6 [ 6652.260604][ T73] [ 6652.262257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.262257][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.262257][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.262257][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.262257][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6652.262257][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6652.262257][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6652.262257][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6652.262257][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6652.262257][ T73] addrconf_dad_begin+0x310/0x670 [ 6652.262257][ T73] addrconf_dad_work+0x10b/0xab0 [ 6652.262257][ T73] process_one_work+0x84d/0x18a0 [ 6652.262257][ T73] worker_thread+0x587/0xd30 [ 6652.262257][ T73] kthread+0x28a/0x350 [ 6652.262257][ T73] ret_from_fork+0x31/0x70 [ 6652.262257][ T73] ret_from_fork_asm+0x1a/0x30 [ 6652.262257][ T73] [ 6652.264177][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.264177][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.264177][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.264177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.264177][ T73] ip6_route_add+0x1c/0x140 [ 6652.264177][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6652.264177][ T73] inet6_addr_add+0x4f8/0xa40 [ 6652.264177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.264177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.264177][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.264177][ T73] netlink_unicast+0x449/0x710 [ 6652.264177][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.264177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.264177][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.264177][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.264177][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.264177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.264177][ T73] [ 6652.266189][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.266189][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.266189][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.266189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.266189][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6652.266189][ T73] ipv6_add_addr+0x411/0x2000 [ 6652.266189][ T73] inet6_addr_add+0x30e/0xa40 [ 6652.266189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.266189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.266189][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.266189][ T73] netlink_unicast+0x449/0x710 [ 6652.266189][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.266189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.266189][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.266189][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.266189][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.266189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.266189][ T73] [ 6652.268211][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.268211][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.268211][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.268211][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.268211][ T73] ip6_route_add+0x1c/0x140 [ 6652.268211][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6652.268211][ T73] addrconf_add_dev+0xe2/0x170 [ 6652.268211][ T73] inet6_addr_add+0x12f/0xa40 [ 6652.268211][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.268211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.268211][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.268211][ T73] netlink_unicast+0x449/0x710 [ 6652.268211][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.268211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.268211][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.268211][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.268211][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.268211][ T73] [ 6652.270200][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.270200][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6652.270200][ T73] ipv6_find_idev+0x102/0x170 [ 6652.270200][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.270200][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.270200][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.270200][ T73] netlink_unicast+0x449/0x710 [ 6652.270200][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.270200][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.270200][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.270200][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.270200][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.270200][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.270200][ T73] [ 6652.271763][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6652.271763][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6652.271763][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6652.271763][ T73] ipv6_find_idev+0x102/0x170 [ 6652.271763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.271763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.271763][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.271763][ T73] netlink_unicast+0x449/0x710 [ 6652.271763][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.271763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.271763][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.271763][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.271763][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.271763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.271763][ T73] [ 6652.273522][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6652.273863][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.273863][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6652.273863][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6652.273863][ T73] fib6_nh_init+0xa22/0x1580 [ 6652.273863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.273863][ T73] ip6_route_add+0x1c/0x140 [ 6652.273863][ T73] inet6_rtm_newroute+0x104/0x110 [ 6652.273863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.273863][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.273863][ T73] netlink_unicast+0x449/0x710 [ 6652.273863][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.273863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.273863][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.273863][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.273863][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.273863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.273863][ T73] [ 6652.275992][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.275992][ T73] dst_init+0x84/0x4a0 [ 6652.275992][ T73] dst_alloc+0x97/0x150 [ 6652.275992][ T73] ip6_dst_alloc+0x23/0x90 [ 6652.275992][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6652.275992][ T73] ip6_pol_route+0x56f/0x840 [ 6652.275992][ T73] fib6_rule_lookup+0x456/0x630 [ 6652.275992][ T73] ip6_route_input+0x59c/0xa50 [ 6652.275992][ T73] ipv6_rcv+0x397/0x810 [ 6652.275992][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6652.275992][ T73] process_backlog+0x101/0x620 [ 6652.275992][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6652.275992][ T73] net_rx_action+0x495/0xbe0 [ 6652.275992][ T73] __do_softirq+0x1b5/0x7f6 [ 6652.275992][ T73] [ 6652.277819][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.277819][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.277819][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.277819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.277819][ T73] ip6_route_add+0x1c/0x140 [ 6652.277819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6652.277819][ T73] inet6_addr_add+0x4f8/0xa40 [ 6652.277819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.277819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.277819][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.277819][ T73] netlink_unicast+0x449/0x710 [ 6652.277819][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.277819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.277819][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.277819][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.277819][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.277819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.277819][ T73] [ 6652.280078][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.280078][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.280078][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.280078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.280078][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6652.280078][ T73] ipv6_add_addr+0x411/0x2000 [ 6652.280078][ T73] inet6_addr_add+0x30e/0xa40 [ 6652.280078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.280078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.280078][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.280078][ T73] netlink_unicast+0x449/0x710 [ 6652.280078][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.280078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.280078][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.280078][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.280078][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.280078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.280078][ T73] [ 6652.282346][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.282346][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.282346][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.282346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.282346][ T73] ip6_route_add+0x1c/0x140 [ 6652.282346][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6652.282346][ T73] addrconf_add_dev+0xe2/0x170 [ 6652.282346][ T73] inet6_addr_add+0x12f/0xa40 [ 6652.282346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.282346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.282346][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.282346][ T73] netlink_unicast+0x449/0x710 [ 6652.282346][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.282346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.282346][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.282346][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.282346][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.282346][ T73] [ 6652.284606][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.284606][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6652.284606][ T73] ipv6_find_idev+0x102/0x170 [ 6652.284606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.284606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.284606][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.284606][ T73] netlink_unicast+0x449/0x710 [ 6652.284606][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.284606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.284606][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.284606][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.284606][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.284606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.284606][ T73] [ 6652.286290][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6652.286290][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6652.286290][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6652.286290][ T73] ipv6_find_idev+0x102/0x170 [ 6652.286290][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.286290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.286290][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.286290][ T73] netlink_unicast+0x449/0x710 [ 6652.286290][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.286290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.286290][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.286290][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.286290][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.286290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.286290][ T73] [ 6652.288119][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6652.288417][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6652.288417][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.288417][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.288417][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.288417][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6652.288417][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6652.288417][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6652.288417][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6652.288417][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6652.288417][ T73] addrconf_dad_begin+0x310/0x670 [ 6652.288417][ T73] addrconf_dad_work+0x10b/0xab0 [ 6652.288417][ T73] process_one_work+0x84d/0x18a0 [ 6652.288417][ T73] worker_thread+0x587/0xd30 [ 6652.288417][ T73] kthread+0x28a/0x350 [ 6652.288417][ T73] ret_from_fork+0x31/0x70 [ 6652.288417][ T73] ret_from_fork_asm+0x1a/0x30 [ 6652.288417][ T73] [ 6652.290604][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6652.290604][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.290604][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.290604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.290604][ T73] ip6_route_add+0x1c/0x140 [ 6652.290604][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6652.290604][ T73] inet6_addr_add+0x4f8/0xa40 [ 6652.290604][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.290604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.290604][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.290604][ T73] netlink_unicast+0x449/0x710 [ 6652.290604][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.290604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.290604][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.290604][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.290604][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.290604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.290604][ T73] [ 6652.292851][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6652.292851][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.292851][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.292851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.292851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6652.292851][ T73] ipv6_add_addr+0x411/0x2000 [ 6652.292851][ T73] inet6_addr_add+0x30e/0xa40 [ 6652.292851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.292851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.292851][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.292851][ T73] netlink_unicast+0x449/0x710 [ 6652.292851][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.292851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.292851][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.292851][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.292851][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.292851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.292851][ T73] [ 6652.295162][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6652.295162][ T73] netdev_get_by_index+0x5e/0x80 [ 6652.295162][ T73] fib6_nh_init+0x3d8/0x1580 [ 6652.295162][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6652.295162][ T73] ip6_route_add+0x1c/0x140 [ 6652.295162][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6652.295162][ T73] addrconf_add_dev+0xe2/0x170 [ 6652.295162][ T73] inet6_addr_add+0x12f/0xa40 [ 6652.295162][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.295162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.295162][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.295162][ T73] netlink_unicast+0x449/0x710 [ 6652.295162][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.295162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.295162][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.295162][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.295162][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.295162][ T73] [ 6652.297323][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6652.297323][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6652.297323][ T73] ipv6_find_idev+0x102/0x170 [ 6652.297323][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.297323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.297323][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.297323][ T73] netlink_unicast+0x449/0x710 [ 6652.297323][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.297323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.297323][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.297323][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.297323][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.297323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.297323][ T73] [ 6652.299086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6652.299086][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6652.299086][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6652.299086][ T73] ipv6_find_idev+0x102/0x170 [ 6652.299086][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.299086][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.299086][ T73] netlink_rcv_skb+0x130/0x360 [ 6652.299086][ T73] netlink_unicast+0x449/0x710 [ 6652.299086][ T73] netlink_sendmsg+0x723/0xbe0 [ 6652.299086][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6652.299086][ T73] ___sys_sendmsg+0xee/0x170 [ 6652.299086][ T73] __sys_sendmsg+0xcd/0x170 [ 6652.299086][ T73] do_syscall_64+0xc6/0x1e0 [ 6652.299086][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.299086][ T73] [ 6662.542886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6662.543323][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.543323][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6662.543323][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6662.543323][ T73] fib6_nh_init+0xa22/0x1580 [ 6662.543323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.543323][ T73] ip6_route_add+0x1c/0x140 [ 6662.543323][ T73] inet6_rtm_newroute+0x104/0x110 [ 6662.543323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.543323][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.543323][ T73] netlink_unicast+0x449/0x710 [ 6662.543323][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.543323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.543323][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.543323][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.543323][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.543323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.543323][ T73] [ 6662.545308][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.545308][ T73] dst_init+0x84/0x4a0 [ 6662.545308][ T73] dst_alloc+0x97/0x150 [ 6662.545308][ T73] ip6_dst_alloc+0x23/0x90 [ 6662.545308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6662.545308][ T73] ip6_pol_route+0x56f/0x840 [ 6662.545308][ T73] fib6_rule_lookup+0x456/0x630 [ 6662.545308][ T73] ip6_route_input+0x59c/0xa50 [ 6662.545308][ T73] ipv6_rcv+0x397/0x810 [ 6662.545308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6662.545308][ T73] process_backlog+0x101/0x620 [ 6662.545308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6662.545308][ T73] net_rx_action+0x495/0xbe0 [ 6662.545308][ T73] __do_softirq+0x1b5/0x7f6 [ 6662.545308][ T73] [ 6662.546943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.546943][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.546943][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.546943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.546943][ T73] ip6_route_add+0x1c/0x140 [ 6662.546943][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6662.546943][ T73] inet6_addr_add+0x4f8/0xa40 [ 6662.546943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.546943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.546943][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.546943][ T73] netlink_unicast+0x449/0x710 [ 6662.546943][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.546943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.546943][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.546943][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.546943][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.546943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.546943][ T73] [ 6662.548939][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.548939][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.548939][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.548939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.548939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6662.548939][ T73] ipv6_add_addr+0x411/0x2000 [ 6662.548939][ T73] inet6_addr_add+0x30e/0xa40 [ 6662.548939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.548939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.548939][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.548939][ T73] netlink_unicast+0x449/0x710 [ 6662.548939][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.548939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.548939][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.548939][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.548939][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.548939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.548939][ T73] [ 6662.550944][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.550944][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.550944][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.550944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.550944][ T73] ip6_route_add+0x1c/0x140 [ 6662.550944][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6662.550944][ T73] addrconf_add_dev+0xe2/0x170 [ 6662.550944][ T73] inet6_addr_add+0x12f/0xa40 [ 6662.550944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.550944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.550944][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.550944][ T73] netlink_unicast+0x449/0x710 [ 6662.550944][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.550944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.550944][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.550944][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.550944][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.550944][ T73] [ 6662.552916][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.552916][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6662.552916][ T73] ipv6_find_idev+0x102/0x170 [ 6662.552916][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.552916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.552916][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.552916][ T73] netlink_unicast+0x449/0x710 [ 6662.552916][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.552916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.552916][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.552916][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.552916][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.552916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.552916][ T73] [ 6662.554443][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6662.554443][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6662.554443][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6662.554443][ T73] ipv6_find_idev+0x102/0x170 [ 6662.554443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.554443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.554443][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.554443][ T73] netlink_unicast+0x449/0x710 [ 6662.554443][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.554443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.554443][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.554443][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.554443][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.554443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.554443][ T73] [ 6662.556126][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6662.556401][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.556401][ T73] dst_init+0x84/0x4a0 [ 6662.556401][ T73] dst_alloc+0x97/0x150 [ 6662.556401][ T73] ip6_dst_alloc+0x23/0x90 [ 6662.556401][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6662.556401][ T73] ip6_pol_route+0x56f/0x840 [ 6662.556401][ T73] fib6_rule_lookup+0x456/0x630 [ 6662.556401][ T73] ip6_route_input+0x59c/0xa50 [ 6662.556401][ T73] ipv6_rcv+0x397/0x810 [ 6662.556401][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6662.556401][ T73] process_backlog+0x101/0x620 [ 6662.556401][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6662.556401][ T73] net_rx_action+0x495/0xbe0 [ 6662.556401][ T73] __do_softirq+0x1b5/0x7f6 [ 6662.556401][ T73] [ 6662.558030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.558030][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.558030][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.558030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.558030][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6662.558030][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6662.558030][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6662.558030][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6662.558030][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6662.558030][ T73] addrconf_dad_begin+0x310/0x670 [ 6662.558030][ T73] addrconf_dad_work+0x10b/0xab0 [ 6662.558030][ T73] process_one_work+0x84d/0x18a0 [ 6662.558030][ T73] worker_thread+0x587/0xd30 [ 6662.558030][ T73] kthread+0x28a/0x350 [ 6662.558030][ T73] ret_from_fork+0x31/0x70 [ 6662.558030][ T73] ret_from_fork_asm+0x1a/0x30 [ 6662.558030][ T73] [ 6662.559924][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.559924][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.559924][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.559924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.559924][ T73] ip6_route_add+0x1c/0x140 [ 6662.559924][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6662.559924][ T73] inet6_addr_add+0x4f8/0xa40 [ 6662.559924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.559924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.559924][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.559924][ T73] netlink_unicast+0x449/0x710 [ 6662.559924][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.559924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.559924][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.559924][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.559924][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.559924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.559924][ T73] [ 6662.561901][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.561901][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.561901][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.561901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.561901][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6662.561901][ T73] ipv6_add_addr+0x411/0x2000 [ 6662.561901][ T73] inet6_addr_add+0x30e/0xa40 [ 6662.561901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.561901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.561901][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.561901][ T73] netlink_unicast+0x449/0x710 [ 6662.561901][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.561901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.561901][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.561901][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.561901][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.561901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.561901][ T73] [ 6662.563883][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.563883][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.563883][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.563883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.563883][ T73] ip6_route_add+0x1c/0x140 [ 6662.563883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6662.563883][ T73] addrconf_add_dev+0xe2/0x170 [ 6662.563883][ T73] inet6_addr_add+0x12f/0xa40 [ 6662.563883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.563883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.563883][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.563883][ T73] netlink_unicast+0x449/0x710 [ 6662.563883][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.563883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.563883][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.563883][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.563883][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.563883][ T73] [ 6662.565831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.565831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6662.565831][ T73] ipv6_find_idev+0x102/0x170 [ 6662.565831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.565831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.565831][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.565831][ T73] netlink_unicast+0x449/0x710 [ 6662.565831][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.565831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.565831][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.565831][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.565831][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.565831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.565831][ T73] [ 6662.567357][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6662.567357][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6662.567357][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6662.567357][ T73] ipv6_find_idev+0x102/0x170 [ 6662.567357][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.567357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.567357][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.567357][ T73] netlink_unicast+0x449/0x710 [ 6662.567357][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.567357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.567357][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.567357][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.567357][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.567357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.567357][ T73] [ 6662.569127][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6662.569461][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.569461][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6662.569461][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6662.569461][ T73] fib6_nh_init+0xa22/0x1580 [ 6662.569461][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.569461][ T73] ip6_route_add+0x1c/0x140 [ 6662.569461][ T73] inet6_rtm_newroute+0x104/0x110 [ 6662.569461][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.569461][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.569461][ T73] netlink_unicast+0x449/0x710 [ 6662.569461][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.569461][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.569461][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.569461][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.569461][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.569461][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.569461][ T73] [ 6662.571534][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.571534][ T73] dst_init+0x84/0x4a0 [ 6662.571534][ T73] dst_alloc+0x97/0x150 [ 6662.571534][ T73] ip6_dst_alloc+0x23/0x90 [ 6662.571534][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6662.571534][ T73] ip6_pol_route+0x56f/0x840 [ 6662.571534][ T73] fib6_rule_lookup+0x456/0x630 [ 6662.571534][ T73] ip6_route_input+0x59c/0xa50 [ 6662.571534][ T73] ipv6_rcv+0x397/0x810 [ 6662.571534][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6662.571534][ T73] process_backlog+0x101/0x620 [ 6662.571534][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6662.571534][ T73] net_rx_action+0x495/0xbe0 [ 6662.571534][ T73] __do_softirq+0x1b5/0x7f6 [ 6662.571534][ T73] [ 6662.573339][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.573339][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.573339][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.573339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.573339][ T73] ip6_route_add+0x1c/0x140 [ 6662.573339][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6662.573339][ T73] inet6_addr_add+0x4f8/0xa40 [ 6662.573339][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.573339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.573339][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.573339][ T73] netlink_unicast+0x449/0x710 [ 6662.573339][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.573339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.573339][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.573339][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.573339][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.573339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.573339][ T73] [ 6662.575572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.575572][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.575572][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.575572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.575572][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6662.575572][ T73] ipv6_add_addr+0x411/0x2000 [ 6662.575572][ T73] inet6_addr_add+0x30e/0xa40 [ 6662.575572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.575572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.575572][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.575572][ T73] netlink_unicast+0x449/0x710 [ 6662.575572][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.575572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.575572][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.575572][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.575572][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.575572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.575572][ T73] [ 6662.577755][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.577755][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.577755][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.577755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.577755][ T73] ip6_route_add+0x1c/0x140 [ 6662.577755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6662.577755][ T73] addrconf_add_dev+0xe2/0x170 [ 6662.577755][ T73] inet6_addr_add+0x12f/0xa40 [ 6662.577755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.577755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.577755][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.577755][ T73] netlink_unicast+0x449/0x710 [ 6662.577755][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.577755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.577755][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.577755][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.577755][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.577755][ T73] [ 6662.579954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.579954][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6662.579954][ T73] ipv6_find_idev+0x102/0x170 [ 6662.579954][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.579954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.579954][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.579954][ T73] netlink_unicast+0x449/0x710 [ 6662.579954][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.579954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.579954][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.579954][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.579954][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.579954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.579954][ T73] [ 6662.581738][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6662.581738][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6662.581738][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6662.581738][ T73] ipv6_find_idev+0x102/0x170 [ 6662.581738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.581738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.581738][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.581738][ T73] netlink_unicast+0x449/0x710 [ 6662.581738][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.581738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.581738][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.581738][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.581738][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.581738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.581738][ T73] [ 6662.583598][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6662.583875][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6662.583875][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.583875][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.583875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.583875][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6662.583875][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6662.583875][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6662.583875][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6662.583875][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6662.583875][ T73] addrconf_dad_begin+0x310/0x670 [ 6662.583875][ T73] addrconf_dad_work+0x10b/0xab0 [ 6662.583875][ T73] process_one_work+0x84d/0x18a0 [ 6662.583875][ T73] worker_thread+0x587/0xd30 [ 6662.583875][ T73] kthread+0x28a/0x350 [ 6662.583875][ T73] ret_from_fork+0x31/0x70 [ 6662.583875][ T73] ret_from_fork_asm+0x1a/0x30 [ 6662.583875][ T73] [ 6662.586022][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6662.586022][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.586022][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.586022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.586022][ T73] ip6_route_add+0x1c/0x140 [ 6662.586022][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6662.586022][ T73] inet6_addr_add+0x4f8/0xa40 [ 6662.586022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.586022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.586022][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.586022][ T73] netlink_unicast+0x449/0x710 [ 6662.586022][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.586022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.586022][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.586022][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.586022][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.586022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.586022][ T73] [ 6662.588258][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6662.588258][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.588258][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.588258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.588258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6662.588258][ T73] ipv6_add_addr+0x411/0x2000 [ 6662.588258][ T73] inet6_addr_add+0x30e/0xa40 [ 6662.588258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.588258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.588258][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.588258][ T73] netlink_unicast+0x449/0x710 [ 6662.588258][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.588258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.588258][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.588258][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.588258][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.588258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.588258][ T73] [ 6662.590559][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6662.590559][ T73] netdev_get_by_index+0x5e/0x80 [ 6662.590559][ T73] fib6_nh_init+0x3d8/0x1580 [ 6662.590559][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6662.590559][ T73] ip6_route_add+0x1c/0x140 [ 6662.590559][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6662.590559][ T73] addrconf_add_dev+0xe2/0x170 [ 6662.590559][ T73] inet6_addr_add+0x12f/0xa40 [ 6662.590559][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.590559][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.590559][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.590559][ T73] netlink_unicast+0x449/0x710 [ 6662.590559][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.590559][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.590559][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.590559][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.590559][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.590559][ T73] [ 6662.592700][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6662.592700][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6662.592700][ T73] ipv6_find_idev+0x102/0x170 [ 6662.592700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.592700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.592700][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.592700][ T73] netlink_unicast+0x449/0x710 [ 6662.592700][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.592700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.592700][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.592700][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.592700][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.592700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.592700][ T73] [ 6662.594406][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6662.594406][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6662.594406][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6662.594406][ T73] ipv6_find_idev+0x102/0x170 [ 6662.594406][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.594406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.594406][ T73] netlink_rcv_skb+0x130/0x360 [ 6662.594406][ T73] netlink_unicast+0x449/0x710 [ 6662.594406][ T73] netlink_sendmsg+0x723/0xbe0 [ 6662.594406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6662.594406][ T73] ___sys_sendmsg+0xee/0x170 [ 6662.594406][ T73] __sys_sendmsg+0xcd/0x170 [ 6662.594406][ T73] do_syscall_64+0xc6/0x1e0 [ 6662.594406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.594406][ T73] [ 6672.838889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6672.839330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.839330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6672.839330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6672.839330][ T73] fib6_nh_init+0xa22/0x1580 [ 6672.839330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.839330][ T73] ip6_route_add+0x1c/0x140 [ 6672.839330][ T73] inet6_rtm_newroute+0x104/0x110 [ 6672.839330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.839330][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.839330][ T73] netlink_unicast+0x449/0x710 [ 6672.839330][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.839330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.839330][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.839330][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.839330][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.839330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.839330][ T73] [ 6672.841233][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.841233][ T73] dst_init+0x84/0x4a0 [ 6672.841233][ T73] dst_alloc+0x97/0x150 [ 6672.841233][ T73] ip6_dst_alloc+0x23/0x90 [ 6672.841233][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6672.841233][ T73] ip6_pol_route+0x56f/0x840 [ 6672.841233][ T73] fib6_rule_lookup+0x456/0x630 [ 6672.841233][ T73] ip6_route_input+0x59c/0xa50 [ 6672.841233][ T73] ipv6_rcv+0x397/0x810 [ 6672.841233][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6672.841233][ T73] process_backlog+0x101/0x620 [ 6672.841233][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6672.841233][ T73] net_rx_action+0x495/0xbe0 [ 6672.841233][ T73] __do_softirq+0x1b5/0x7f6 [ 6672.841233][ T73] [ 6672.842957][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.842957][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.842957][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.842957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.842957][ T73] ip6_route_add+0x1c/0x140 [ 6672.842957][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6672.842957][ T73] inet6_addr_add+0x4f8/0xa40 [ 6672.842957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.842957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.842957][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.842957][ T73] netlink_unicast+0x449/0x710 [ 6672.842957][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.842957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.842957][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.842957][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.842957][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.842957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.842957][ T73] [ 6672.844953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.844953][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.844953][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.844953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.844953][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6672.844953][ T73] ipv6_add_addr+0x411/0x2000 [ 6672.844953][ T73] inet6_addr_add+0x30e/0xa40 [ 6672.844953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.844953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.844953][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.844953][ T73] netlink_unicast+0x449/0x710 [ 6672.844953][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.844953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.844953][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.844953][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.844953][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.844953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.844953][ T73] [ 6672.846949][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.846949][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.846949][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.846949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.846949][ T73] ip6_route_add+0x1c/0x140 [ 6672.846949][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6672.846949][ T73] addrconf_add_dev+0xe2/0x170 [ 6672.846949][ T73] inet6_addr_add+0x12f/0xa40 [ 6672.846949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.846949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.846949][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.846949][ T73] netlink_unicast+0x449/0x710 [ 6672.846949][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.846949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.846949][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.846949][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.846949][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.846949][ T73] [ 6672.848898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.848898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6672.848898][ T73] ipv6_find_idev+0x102/0x170 [ 6672.848898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.848898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.848898][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.848898][ T73] netlink_unicast+0x449/0x710 [ 6672.848898][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.848898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.848898][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.848898][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.848898][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.848898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.848898][ T73] [ 6672.850431][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6672.850431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6672.850431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6672.850431][ T73] ipv6_find_idev+0x102/0x170 [ 6672.850431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.850431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.850431][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.850431][ T73] netlink_unicast+0x449/0x710 [ 6672.850431][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.850431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.850431][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.850431][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.850431][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.850431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.850431][ T73] [ 6672.852102][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6672.852371][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.852371][ T73] dst_init+0x84/0x4a0 [ 6672.852371][ T73] dst_alloc+0x97/0x150 [ 6672.852371][ T73] ip6_dst_alloc+0x23/0x90 [ 6672.852371][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6672.852371][ T73] ip6_pol_route+0x56f/0x840 [ 6672.852371][ T73] fib6_rule_lookup+0x456/0x630 [ 6672.852371][ T73] ip6_route_input+0x59c/0xa50 [ 6672.852371][ T73] ipv6_rcv+0x397/0x810 [ 6672.852371][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6672.852371][ T73] process_backlog+0x101/0x620 [ 6672.852371][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6672.852371][ T73] net_rx_action+0x495/0xbe0 [ 6672.852371][ T73] __do_softirq+0x1b5/0x7f6 [ 6672.852371][ T73] [ 6672.854000][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.854000][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.854000][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.854000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.854000][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6672.854000][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6672.854000][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6672.854000][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6672.854000][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6672.854000][ T73] addrconf_dad_begin+0x310/0x670 [ 6672.854000][ T73] addrconf_dad_work+0x10b/0xab0 [ 6672.854000][ T73] process_one_work+0x84d/0x18a0 [ 6672.854000][ T73] worker_thread+0x587/0xd30 [ 6672.854000][ T73] kthread+0x28a/0x350 [ 6672.854000][ T73] ret_from_fork+0x31/0x70 [ 6672.854000][ T73] ret_from_fork_asm+0x1a/0x30 [ 6672.854000][ T73] [ 6672.855893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.855893][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.855893][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.855893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.855893][ T73] ip6_route_add+0x1c/0x140 [ 6672.855893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6672.855893][ T73] inet6_addr_add+0x4f8/0xa40 [ 6672.855893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.855893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.855893][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.855893][ T73] netlink_unicast+0x449/0x710 [ 6672.855893][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.855893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.855893][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.855893][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.855893][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.855893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.855893][ T73] [ 6672.857892][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.857892][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.857892][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.857892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.857892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6672.857892][ T73] ipv6_add_addr+0x411/0x2000 [ 6672.857892][ T73] inet6_addr_add+0x30e/0xa40 [ 6672.857892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.857892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.857892][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.857892][ T73] netlink_unicast+0x449/0x710 [ 6672.857892][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.857892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.857892][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.857892][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.857892][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.857892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.857892][ T73] [ 6672.859893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.859893][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.859893][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.859893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.859893][ T73] ip6_route_add+0x1c/0x140 [ 6672.859893][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6672.859893][ T73] addrconf_add_dev+0xe2/0x170 [ 6672.859893][ T73] inet6_addr_add+0x12f/0xa40 [ 6672.859893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.859893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.859893][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.859893][ T73] netlink_unicast+0x449/0x710 [ 6672.859893][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.859893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.859893][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.859893][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.859893][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.859893][ T73] [ 6672.861876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.861876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6672.861876][ T73] ipv6_find_idev+0x102/0x170 [ 6672.861876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.861876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.861876][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.861876][ T73] netlink_unicast+0x449/0x710 [ 6672.861876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.861876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.861876][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.861876][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.861876][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.861876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.861876][ T73] [ 6672.863424][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6672.863424][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6672.863424][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6672.863424][ T73] ipv6_find_idev+0x102/0x170 [ 6672.863424][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.863424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.863424][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.863424][ T73] netlink_unicast+0x449/0x710 [ 6672.863424][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.863424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.863424][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.863424][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.863424][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.863424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.863424][ T73] [ 6672.865160][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6672.865485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.865485][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6672.865485][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6672.865485][ T73] fib6_nh_init+0xa22/0x1580 [ 6672.865485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.865485][ T73] ip6_route_add+0x1c/0x140 [ 6672.865485][ T73] inet6_rtm_newroute+0x104/0x110 [ 6672.865485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.865485][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.865485][ T73] netlink_unicast+0x449/0x710 [ 6672.865485][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.865485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.865485][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.865485][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.865485][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.865485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.865485][ T73] [ 6672.867586][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.867586][ T73] dst_init+0x84/0x4a0 [ 6672.867586][ T73] dst_alloc+0x97/0x150 [ 6672.867586][ T73] ip6_dst_alloc+0x23/0x90 [ 6672.867586][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6672.867586][ T73] ip6_pol_route+0x56f/0x840 [ 6672.867586][ T73] fib6_rule_lookup+0x456/0x630 [ 6672.867586][ T73] ip6_route_input+0x59c/0xa50 [ 6672.867586][ T73] ipv6_rcv+0x397/0x810 [ 6672.867586][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6672.867586][ T73] process_backlog+0x101/0x620 [ 6672.867586][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6672.867586][ T73] net_rx_action+0x495/0xbe0 [ 6672.867586][ T73] __do_softirq+0x1b5/0x7f6 [ 6672.867586][ T73] [ 6672.869387][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.869387][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.869387][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.869387][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.869387][ T73] ip6_route_add+0x1c/0x140 [ 6672.869387][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6672.869387][ T73] inet6_addr_add+0x4f8/0xa40 [ 6672.869387][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.869387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.869387][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.869387][ T73] netlink_unicast+0x449/0x710 [ 6672.869387][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.869387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.869387][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.869387][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.869387][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.869387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.869387][ T73] [ 6672.871630][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.871630][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.871630][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.871630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.871630][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6672.871630][ T73] ipv6_add_addr+0x411/0x2000 [ 6672.871630][ T73] inet6_addr_add+0x30e/0xa40 [ 6672.871630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.871630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.871630][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.871630][ T73] netlink_unicast+0x449/0x710 [ 6672.871630][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.871630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.871630][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.871630][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.871630][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.871630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.871630][ T73] [ 6672.873856][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.873856][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.873856][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.873856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.873856][ T73] ip6_route_add+0x1c/0x140 [ 6672.873856][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6672.873856][ T73] addrconf_add_dev+0xe2/0x170 [ 6672.873856][ T73] inet6_addr_add+0x12f/0xa40 [ 6672.873856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.873856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.873856][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.873856][ T73] netlink_unicast+0x449/0x710 [ 6672.873856][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.873856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.873856][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.873856][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.873856][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.873856][ T73] [ 6672.876108][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.876108][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6672.876108][ T73] ipv6_find_idev+0x102/0x170 [ 6672.876108][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.876108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.876108][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.876108][ T73] netlink_unicast+0x449/0x710 [ 6672.876108][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.876108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.876108][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.876108][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.876108][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.876108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.876108][ T73] [ 6672.877818][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6672.877818][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6672.877818][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6672.877818][ T73] ipv6_find_idev+0x102/0x170 [ 6672.877818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.877818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.877818][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.877818][ T73] netlink_unicast+0x449/0x710 [ 6672.877818][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.877818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.877818][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.877818][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.877818][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.877818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.877818][ T73] [ 6672.879666][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6672.880368][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6672.880368][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.880368][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.880368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.880368][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6672.880368][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6672.880368][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6672.880368][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6672.880368][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6672.880368][ T73] addrconf_dad_begin+0x310/0x670 [ 6672.880368][ T73] addrconf_dad_work+0x10b/0xab0 [ 6672.880368][ T73] process_one_work+0x84d/0x18a0 [ 6672.880368][ T73] worker_thread+0x587/0xd30 [ 6672.880368][ T73] kthread+0x28a/0x350 [ 6672.880368][ T73] ret_from_fork+0x31/0x70 [ 6672.880368][ T73] ret_from_fork_asm+0x1a/0x30 [ 6672.880368][ T73] [ 6672.882268][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6672.882268][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.882268][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.882268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.882268][ T73] ip6_route_add+0x1c/0x140 [ 6672.882268][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6672.882268][ T73] inet6_addr_add+0x4f8/0xa40 [ 6672.882268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.882268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.882268][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.882268][ T73] netlink_unicast+0x449/0x710 [ 6672.882268][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.882268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.882268][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.882268][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.882268][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.882268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.882268][ T73] [ 6672.884368][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6672.884368][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.884368][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.884368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.884368][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6672.884368][ T73] ipv6_add_addr+0x411/0x2000 [ 6672.884368][ T73] inet6_addr_add+0x30e/0xa40 [ 6672.884368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.884368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.884368][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.884368][ T73] netlink_unicast+0x449/0x710 [ 6672.884368][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.884368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.884368][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.884368][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.884368][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.884368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.884368][ T73] [ 6672.886598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6672.886598][ T73] netdev_get_by_index+0x5e/0x80 [ 6672.886598][ T73] fib6_nh_init+0x3d8/0x1580 [ 6672.886598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6672.886598][ T73] ip6_route_add+0x1c/0x140 [ 6672.886598][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6672.886598][ T73] addrconf_add_dev+0xe2/0x170 [ 6672.886598][ T73] inet6_addr_add+0x12f/0xa40 [ 6672.886598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.886598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.886598][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.886598][ T73] netlink_unicast+0x449/0x710 [ 6672.886598][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.886598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.886598][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.886598][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.886598][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.886598][ T73] [ 6672.888865][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6672.888865][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6672.888865][ T73] ipv6_find_idev+0x102/0x170 [ 6672.888865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.888865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.888865][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.888865][ T73] netlink_unicast+0x449/0x710 [ 6672.888865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.888865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.888865][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.888865][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.888865][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.888865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.888865][ T73] [ 6672.890579][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6672.890579][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6672.890579][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6672.890579][ T73] ipv6_find_idev+0x102/0x170 [ 6672.890579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.890579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.890579][ T73] netlink_rcv_skb+0x130/0x360 [ 6672.890579][ T73] netlink_unicast+0x449/0x710 [ 6672.890579][ T73] netlink_sendmsg+0x723/0xbe0 [ 6672.890579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6672.890579][ T73] ___sys_sendmsg+0xee/0x170 [ 6672.890579][ T73] __sys_sendmsg+0xcd/0x170 [ 6672.890579][ T73] do_syscall_64+0xc6/0x1e0 [ 6672.890579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.890579][ T73] [ 6683.134896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6683.135324][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.135324][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6683.135324][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6683.135324][ T73] fib6_nh_init+0xa22/0x1580 [ 6683.135324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.135324][ T73] ip6_route_add+0x1c/0x140 [ 6683.135324][ T73] inet6_rtm_newroute+0x104/0x110 [ 6683.135324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.135324][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.135324][ T73] netlink_unicast+0x449/0x710 [ 6683.135324][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.135324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.135324][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.135324][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.135324][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.135324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.135324][ T73] [ 6683.137213][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.137213][ T73] dst_init+0x84/0x4a0 [ 6683.137213][ T73] dst_alloc+0x97/0x150 [ 6683.137213][ T73] ip6_dst_alloc+0x23/0x90 [ 6683.137213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6683.137213][ T73] ip6_pol_route+0x56f/0x840 [ 6683.137213][ T73] fib6_rule_lookup+0x456/0x630 [ 6683.137213][ T73] ip6_route_input+0x59c/0xa50 [ 6683.137213][ T73] ipv6_rcv+0x397/0x810 [ 6683.137213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6683.137213][ T73] process_backlog+0x101/0x620 [ 6683.137213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6683.137213][ T73] net_rx_action+0x495/0xbe0 [ 6683.137213][ T73] __do_softirq+0x1b5/0x7f6 [ 6683.137213][ T73] [ 6683.138801][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.138801][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.138801][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.138801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.138801][ T73] ip6_route_add+0x1c/0x140 [ 6683.138801][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6683.138801][ T73] inet6_addr_add+0x4f8/0xa40 [ 6683.138801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.138801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.138801][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.138801][ T73] netlink_unicast+0x449/0x710 [ 6683.138801][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.138801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.138801][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.138801][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.138801][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.138801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.138801][ T73] [ 6683.140791][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.140791][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.140791][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.140791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.140791][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6683.140791][ T73] ipv6_add_addr+0x411/0x2000 [ 6683.140791][ T73] inet6_addr_add+0x30e/0xa40 [ 6683.140791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.140791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.140791][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.140791][ T73] netlink_unicast+0x449/0x710 [ 6683.140791][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.140791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.140791][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.140791][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.140791][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.140791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.140791][ T73] [ 6683.142780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.142780][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.142780][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.142780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.142780][ T73] ip6_route_add+0x1c/0x140 [ 6683.142780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6683.142780][ T73] addrconf_add_dev+0xe2/0x170 [ 6683.142780][ T73] inet6_addr_add+0x12f/0xa40 [ 6683.142780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.142780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.142780][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.142780][ T73] netlink_unicast+0x449/0x710 [ 6683.142780][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.142780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.142780][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.142780][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.142780][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.142780][ T73] [ 6683.144741][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.144741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6683.144741][ T73] ipv6_find_idev+0x102/0x170 [ 6683.144741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.144741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.144741][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.144741][ T73] netlink_unicast+0x449/0x710 [ 6683.144741][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.144741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.144741][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.144741][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.144741][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.144741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.144741][ T73] [ 6683.146266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6683.146266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6683.146266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6683.146266][ T73] ipv6_find_idev+0x102/0x170 [ 6683.146266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.146266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.146266][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.146266][ T73] netlink_unicast+0x449/0x710 [ 6683.146266][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.146266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.146266][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.146266][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.146266][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.146266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.146266][ T73] [ 6683.147945][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6683.148219][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.148219][ T73] dst_init+0x84/0x4a0 [ 6683.148219][ T73] dst_alloc+0x97/0x150 [ 6683.148219][ T73] ip6_dst_alloc+0x23/0x90 [ 6683.148219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6683.148219][ T73] ip6_pol_route+0x56f/0x840 [ 6683.148219][ T73] fib6_rule_lookup+0x456/0x630 [ 6683.148219][ T73] ip6_route_input+0x59c/0xa50 [ 6683.148219][ T73] ipv6_rcv+0x397/0x810 [ 6683.148219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6683.148219][ T73] process_backlog+0x101/0x620 [ 6683.148219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6683.148219][ T73] net_rx_action+0x495/0xbe0 [ 6683.148219][ T73] __do_softirq+0x1b5/0x7f6 [ 6683.148219][ T73] [ 6683.149860][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.149860][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.149860][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.149860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.149860][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6683.149860][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6683.149860][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6683.149860][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6683.149860][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6683.149860][ T73] addrconf_dad_begin+0x310/0x670 [ 6683.149860][ T73] addrconf_dad_work+0x10b/0xab0 [ 6683.149860][ T73] process_one_work+0x84d/0x18a0 [ 6683.149860][ T73] worker_thread+0x587/0xd30 [ 6683.149860][ T73] kthread+0x28a/0x350 [ 6683.149860][ T73] ret_from_fork+0x31/0x70 [ 6683.149860][ T73] ret_from_fork_asm+0x1a/0x30 [ 6683.149860][ T73] [ 6683.151771][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.151771][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.151771][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.151771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.151771][ T73] ip6_route_add+0x1c/0x140 [ 6683.151771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6683.151771][ T73] inet6_addr_add+0x4f8/0xa40 [ 6683.151771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.151771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.151771][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.151771][ T73] netlink_unicast+0x449/0x710 [ 6683.151771][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.151771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.151771][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.151771][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.151771][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.151771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.151771][ T73] [ 6683.153739][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.153739][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.153739][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.153739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.153739][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6683.153739][ T73] ipv6_add_addr+0x411/0x2000 [ 6683.153739][ T73] inet6_addr_add+0x30e/0xa40 [ 6683.153739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.153739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.153739][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.153739][ T73] netlink_unicast+0x449/0x710 [ 6683.153739][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.153739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.153739][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.153739][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.153739][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.153739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.153739][ T73] [ 6683.155728][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.155728][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.155728][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.155728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.155728][ T73] ip6_route_add+0x1c/0x140 [ 6683.155728][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6683.155728][ T73] addrconf_add_dev+0xe2/0x170 [ 6683.155728][ T73] inet6_addr_add+0x12f/0xa40 [ 6683.155728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.155728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.155728][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.155728][ T73] netlink_unicast+0x449/0x710 [ 6683.155728][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.155728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.155728][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.155728][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.155728][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.155728][ T73] [ 6683.157679][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.157679][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6683.157679][ T73] ipv6_find_idev+0x102/0x170 [ 6683.157679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.157679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.157679][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.157679][ T73] netlink_unicast+0x449/0x710 [ 6683.157679][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.157679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.157679][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.157679][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.157679][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.157679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.157679][ T73] [ 6683.159210][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6683.159210][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6683.159210][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6683.159210][ T73] ipv6_find_idev+0x102/0x170 [ 6683.159210][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.159210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.159210][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.159210][ T73] netlink_unicast+0x449/0x710 [ 6683.159210][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.159210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.159210][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.159210][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.159210][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.159210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.159210][ T73] [ 6683.161008][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6683.161273][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.161273][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6683.161273][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6683.161273][ T73] fib6_nh_init+0xa22/0x1580 [ 6683.161273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.161273][ T73] ip6_route_add+0x1c/0x140 [ 6683.161273][ T73] inet6_rtm_newroute+0x104/0x110 [ 6683.161273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.161273][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.161273][ T73] netlink_unicast+0x449/0x710 [ 6683.161273][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.161273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.161273][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.161273][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.161273][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.161273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.161273][ T73] [ 6683.163464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.163464][ T73] dst_init+0x84/0x4a0 [ 6683.163464][ T73] dst_alloc+0x97/0x150 [ 6683.163464][ T73] ip6_dst_alloc+0x23/0x90 [ 6683.163464][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6683.163464][ T73] ip6_pol_route+0x56f/0x840 [ 6683.163464][ T73] fib6_rule_lookup+0x456/0x630 [ 6683.163464][ T73] ip6_route_input+0x59c/0xa50 [ 6683.163464][ T73] ipv6_rcv+0x397/0x810 [ 6683.163464][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6683.163464][ T73] process_backlog+0x101/0x620 [ 6683.163464][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6683.163464][ T73] net_rx_action+0x495/0xbe0 [ 6683.163464][ T73] __do_softirq+0x1b5/0x7f6 [ 6683.163464][ T73] [ 6683.165267][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.165267][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.165267][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.165267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.165267][ T73] ip6_route_add+0x1c/0x140 [ 6683.165267][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6683.165267][ T73] inet6_addr_add+0x4f8/0xa40 [ 6683.165267][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.165267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.165267][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.165267][ T73] netlink_unicast+0x449/0x710 [ 6683.165267][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.165267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.165267][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.165267][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.165267][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.165267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.165267][ T73] [ 6683.167493][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.167493][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.167493][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.167493][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.167493][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6683.167493][ T73] ipv6_add_addr+0x411/0x2000 [ 6683.167493][ T73] inet6_addr_add+0x30e/0xa40 [ 6683.167493][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.167493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.167493][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.167493][ T73] netlink_unicast+0x449/0x710 [ 6683.167493][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.167493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.167493][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.167493][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.167493][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.167493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.167493][ T73] [ 6683.169721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.169721][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.169721][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.169721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.169721][ T73] ip6_route_add+0x1c/0x140 [ 6683.169721][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6683.169721][ T73] addrconf_add_dev+0xe2/0x170 [ 6683.169721][ T73] inet6_addr_add+0x12f/0xa40 [ 6683.169721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.169721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.169721][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.169721][ T73] netlink_unicast+0x449/0x710 [ 6683.169721][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.169721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.169721][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.169721][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.169721][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.169721][ T73] [ 6683.171921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.171921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6683.171921][ T73] ipv6_find_idev+0x102/0x170 [ 6683.171921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.171921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.171921][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.171921][ T73] netlink_unicast+0x449/0x710 [ 6683.171921][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.171921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.171921][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.171921][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.171921][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.171921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.171921][ T73] [ 6683.173641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6683.173641][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6683.173641][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6683.173641][ T73] ipv6_find_idev+0x102/0x170 [ 6683.173641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.173641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.173641][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.173641][ T73] netlink_unicast+0x449/0x710 [ 6683.173641][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.173641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.173641][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.173641][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.173641][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.173641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.173641][ T73] [ 6683.175560][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6683.175898][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6683.175898][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.175898][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.175898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.175898][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6683.175898][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6683.175898][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6683.175898][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6683.175898][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6683.175898][ T73] addrconf_dad_begin+0x310/0x670 [ 6683.175898][ T73] addrconf_dad_work+0x10b/0xab0 [ 6683.175898][ T73] process_one_work+0x84d/0x18a0 [ 6683.175898][ T73] worker_thread+0x587/0xd30 [ 6683.175898][ T73] kthread+0x28a/0x350 [ 6683.175898][ T73] ret_from_fork+0x31/0x70 [ 6683.175898][ T73] ret_from_fork_asm+0x1a/0x30 [ 6683.175898][ T73] [ 6683.177994][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6683.177994][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.177994][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.177994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.177994][ T73] ip6_route_add+0x1c/0x140 [ 6683.177994][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6683.177994][ T73] inet6_addr_add+0x4f8/0xa40 [ 6683.177994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.177994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.177994][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.177994][ T73] netlink_unicast+0x449/0x710 [ 6683.177994][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.177994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.177994][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.177994][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.177994][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.177994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.177994][ T73] [ 6683.180225][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6683.180225][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.180225][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.180225][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.180225][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6683.180225][ T73] ipv6_add_addr+0x411/0x2000 [ 6683.180225][ T73] inet6_addr_add+0x30e/0xa40 [ 6683.180225][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.180225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.180225][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.180225][ T73] netlink_unicast+0x449/0x710 [ 6683.180225][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.180225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.180225][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.180225][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.180225][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.180225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.180225][ T73] [ 6683.182520][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6683.182520][ T73] netdev_get_by_index+0x5e/0x80 [ 6683.182520][ T73] fib6_nh_init+0x3d8/0x1580 [ 6683.182520][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6683.182520][ T73] ip6_route_add+0x1c/0x140 [ 6683.182520][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6683.182520][ T73] addrconf_add_dev+0xe2/0x170 [ 6683.182520][ T73] inet6_addr_add+0x12f/0xa40 [ 6683.182520][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6683.182520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.182520][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.182520][ T73] netlink_unicast+0x449/0x710 [ 6683.182520][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.182520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.182520][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.182520][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.182520][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.182520][ T73] [ 6683.184710][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6683.184710][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6683.184710][ T73] ipv6_find_idev+0x102/0x170 [ 6683.184710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.184710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.184710][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.184710][ T73] netlink_unicast+0x449/0x710 [ 6683.184710][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.184710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.184710][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.184710][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.184710][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.184710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.184710][ T73] [ 6683.186389][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6683.186389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6683.186389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6683.186389][ T73] ipv6_find_idev+0x102/0x170 [ 6683.186389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6683.186389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6683.186389][ T73] netlink_rcv_skb+0x130/0x360 [ 6683.186389][ T73] netlink_unicast+0x449/0x710 [ 6683.186389][ T73] netlink_sendmsg+0x723/0xbe0 [ 6683.186389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6683.186389][ T73] ___sys_sendmsg+0xee/0x170 [ 6683.186389][ T73] __sys_sendmsg+0xcd/0x170 [ 6683.186389][ T73] do_syscall_64+0xc6/0x1e0 [ 6683.186389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6683.186389][ T73] [ 6693.430879][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6693.431336][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.431336][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6693.431336][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6693.431336][ T73] fib6_nh_init+0xa22/0x1580 [ 6693.431336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.431336][ T73] ip6_route_add+0x1c/0x140 [ 6693.431336][ T73] inet6_rtm_newroute+0x104/0x110 [ 6693.431336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.431336][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.431336][ T73] netlink_unicast+0x449/0x710 [ 6693.431336][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.431336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.431336][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.431336][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.431336][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.431336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.431336][ T73] [ 6693.433247][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.433247][ T73] dst_init+0x84/0x4a0 [ 6693.433247][ T73] dst_alloc+0x97/0x150 [ 6693.433247][ T73] ip6_dst_alloc+0x23/0x90 [ 6693.433247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6693.433247][ T73] ip6_pol_route+0x56f/0x840 [ 6693.433247][ T73] fib6_rule_lookup+0x456/0x630 [ 6693.433247][ T73] ip6_route_input+0x59c/0xa50 [ 6693.433247][ T73] ipv6_rcv+0x397/0x810 [ 6693.433247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6693.433247][ T73] process_backlog+0x101/0x620 [ 6693.433247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6693.433247][ T73] net_rx_action+0x495/0xbe0 [ 6693.433247][ T73] __do_softirq+0x1b5/0x7f6 [ 6693.433247][ T73] [ 6693.434872][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.434872][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.434872][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.434872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.434872][ T73] ip6_route_add+0x1c/0x140 [ 6693.434872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6693.434872][ T73] inet6_addr_add+0x4f8/0xa40 [ 6693.434872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.434872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.434872][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.434872][ T73] netlink_unicast+0x449/0x710 [ 6693.434872][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.434872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.434872][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.434872][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.434872][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.434872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.434872][ T73] [ 6693.436870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.436870][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.436870][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.436870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.436870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6693.436870][ T73] ipv6_add_addr+0x411/0x2000 [ 6693.436870][ T73] inet6_addr_add+0x30e/0xa40 [ 6693.436870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.436870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.436870][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.436870][ T73] netlink_unicast+0x449/0x710 [ 6693.436870][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.436870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.436870][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.436870][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.436870][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.436870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.436870][ T73] [ 6693.438837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.438837][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.438837][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.438837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.438837][ T73] ip6_route_add+0x1c/0x140 [ 6693.438837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6693.438837][ T73] addrconf_add_dev+0xe2/0x170 [ 6693.438837][ T73] inet6_addr_add+0x12f/0xa40 [ 6693.438837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.438837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.438837][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.438837][ T73] netlink_unicast+0x449/0x710 [ 6693.438837][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.438837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.438837][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.438837][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.438837][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.438837][ T73] [ 6693.440794][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.440794][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6693.440794][ T73] ipv6_find_idev+0x102/0x170 [ 6693.440794][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.440794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.440794][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.440794][ T73] netlink_unicast+0x449/0x710 [ 6693.440794][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.440794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.440794][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.440794][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.440794][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.440794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.440794][ T73] [ 6693.442305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6693.442305][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6693.442305][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6693.442305][ T73] ipv6_find_idev+0x102/0x170 [ 6693.442305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.442305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.442305][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.442305][ T73] netlink_unicast+0x449/0x710 [ 6693.442305][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.442305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.442305][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.442305][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.442305][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.442305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.442305][ T73] [ 6693.444001][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6693.444272][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.444272][ T73] dst_init+0x84/0x4a0 [ 6693.444272][ T73] dst_alloc+0x97/0x150 [ 6693.444272][ T73] ip6_dst_alloc+0x23/0x90 [ 6693.444272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6693.444272][ T73] ip6_pol_route+0x56f/0x840 [ 6693.444272][ T73] fib6_rule_lookup+0x456/0x630 [ 6693.444272][ T73] ip6_route_input+0x59c/0xa50 [ 6693.444272][ T73] ipv6_rcv+0x397/0x810 [ 6693.444272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6693.444272][ T73] process_backlog+0x101/0x620 [ 6693.444272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6693.444272][ T73] net_rx_action+0x495/0xbe0 [ 6693.444272][ T73] __do_softirq+0x1b5/0x7f6 [ 6693.444272][ T73] [ 6693.445906][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.445906][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.445906][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.445906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.445906][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6693.445906][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6693.445906][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6693.445906][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6693.445906][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6693.445906][ T73] addrconf_dad_begin+0x310/0x670 [ 6693.445906][ T73] addrconf_dad_work+0x10b/0xab0 [ 6693.445906][ T73] process_one_work+0x84d/0x18a0 [ 6693.445906][ T73] worker_thread+0x587/0xd30 [ 6693.445906][ T73] kthread+0x28a/0x350 [ 6693.445906][ T73] ret_from_fork+0x31/0x70 [ 6693.445906][ T73] ret_from_fork_asm+0x1a/0x30 [ 6693.445906][ T73] [ 6693.447802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.447802][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.447802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.447802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.447802][ T73] ip6_route_add+0x1c/0x140 [ 6693.447802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6693.447802][ T73] inet6_addr_add+0x4f8/0xa40 [ 6693.447802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.447802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.447802][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.447802][ T73] netlink_unicast+0x449/0x710 [ 6693.447802][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.447802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.447802][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.447802][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.447802][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.447802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.447802][ T73] [ 6693.449799][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.449799][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.449799][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.449799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.449799][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6693.449799][ T73] ipv6_add_addr+0x411/0x2000 [ 6693.449799][ T73] inet6_addr_add+0x30e/0xa40 [ 6693.449799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.449799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.449799][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.449799][ T73] netlink_unicast+0x449/0x710 [ 6693.449799][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.449799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.449799][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.449799][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.449799][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.449799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.449799][ T73] [ 6693.451887][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.451887][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.451887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.451887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.451887][ T73] ip6_route_add+0x1c/0x140 [ 6693.451887][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6693.451887][ T73] addrconf_add_dev+0xe2/0x170 [ 6693.451887][ T73] inet6_addr_add+0x12f/0xa40 [ 6693.451887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.451887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.451887][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.451887][ T73] netlink_unicast+0x449/0x710 [ 6693.451887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.451887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.451887][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.451887][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.451887][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.451887][ T73] [ 6693.453863][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.453863][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6693.453863][ T73] ipv6_find_idev+0x102/0x170 [ 6693.453863][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.453863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.453863][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.453863][ T73] netlink_unicast+0x449/0x710 [ 6693.453863][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.453863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.453863][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.453863][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.453863][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.453863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.453863][ T73] [ 6693.455393][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6693.455393][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6693.455393][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6693.455393][ T73] ipv6_find_idev+0x102/0x170 [ 6693.455393][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.455393][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.455393][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.455393][ T73] netlink_unicast+0x449/0x710 [ 6693.455393][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.455393][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.455393][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.455393][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.455393][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.455393][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.455393][ T73] [ 6693.457195][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6693.457469][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.457469][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6693.457469][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6693.457469][ T73] fib6_nh_init+0xa22/0x1580 [ 6693.457469][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.457469][ T73] ip6_route_add+0x1c/0x140 [ 6693.457469][ T73] inet6_rtm_newroute+0x104/0x110 [ 6693.457469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.457469][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.457469][ T73] netlink_unicast+0x449/0x710 [ 6693.457469][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.457469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.457469][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.457469][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.457469][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.457469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.457469][ T73] [ 6693.459641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.459641][ T73] dst_init+0x84/0x4a0 [ 6693.459641][ T73] dst_alloc+0x97/0x150 [ 6693.459641][ T73] ip6_dst_alloc+0x23/0x90 [ 6693.459641][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6693.459641][ T73] ip6_pol_route+0x56f/0x840 [ 6693.459641][ T73] fib6_rule_lookup+0x456/0x630 [ 6693.459641][ T73] ip6_route_input+0x59c/0xa50 [ 6693.459641][ T73] ipv6_rcv+0x397/0x810 [ 6693.459641][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6693.459641][ T73] process_backlog+0x101/0x620 [ 6693.459641][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6693.459641][ T73] net_rx_action+0x495/0xbe0 [ 6693.459641][ T73] __do_softirq+0x1b5/0x7f6 [ 6693.459641][ T73] [ 6693.461466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.461466][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.461466][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.461466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.461466][ T73] ip6_route_add+0x1c/0x140 [ 6693.461466][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6693.461466][ T73] inet6_addr_add+0x4f8/0xa40 [ 6693.461466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.461466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.461466][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.461466][ T73] netlink_unicast+0x449/0x710 [ 6693.461466][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.461466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.461466][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.461466][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.461466][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.461466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.461466][ T73] [ 6693.463689][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.463689][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.463689][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.463689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.463689][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6693.463689][ T73] ipv6_add_addr+0x411/0x2000 [ 6693.463689][ T73] inet6_addr_add+0x30e/0xa40 [ 6693.463689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.463689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.463689][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.463689][ T73] netlink_unicast+0x449/0x710 [ 6693.463689][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.463689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.463689][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.463689][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.463689][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.463689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.463689][ T73] [ 6693.465920][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.465920][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.465920][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.465920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.465920][ T73] ip6_route_add+0x1c/0x140 [ 6693.465920][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6693.465920][ T73] addrconf_add_dev+0xe2/0x170 [ 6693.465920][ T73] inet6_addr_add+0x12f/0xa40 [ 6693.465920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.465920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.465920][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.465920][ T73] netlink_unicast+0x449/0x710 [ 6693.465920][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.465920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.465920][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.465920][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.465920][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.465920][ T73] [ 6693.468126][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.468126][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6693.468126][ T73] ipv6_find_idev+0x102/0x170 [ 6693.468126][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.468126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.468126][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.468126][ T73] netlink_unicast+0x449/0x710 [ 6693.468126][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.468126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.468126][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.468126][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.468126][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.468126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.468126][ T73] [ 6693.469844][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6693.469844][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6693.469844][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6693.469844][ T73] ipv6_find_idev+0x102/0x170 [ 6693.469844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.469844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.469844][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.469844][ T73] netlink_unicast+0x449/0x710 [ 6693.469844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.469844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.469844][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.469844][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.469844][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.469844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.469844][ T73] [ 6693.472281][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6693.472548][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6693.472548][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.472548][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.472548][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.472548][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6693.472548][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6693.472548][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6693.472548][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6693.472548][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6693.472548][ T73] addrconf_dad_begin+0x310/0x670 [ 6693.472548][ T73] addrconf_dad_work+0x10b/0xab0 [ 6693.472548][ T73] process_one_work+0x84d/0x18a0 [ 6693.472548][ T73] worker_thread+0x587/0xd30 [ 6693.472548][ T73] kthread+0x28a/0x350 [ 6693.472548][ T73] ret_from_fork+0x31/0x70 [ 6693.472548][ T73] ret_from_fork_asm+0x1a/0x30 [ 6693.472548][ T73] [ 6693.474694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6693.474694][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.474694][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.474694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.474694][ T73] ip6_route_add+0x1c/0x140 [ 6693.474694][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6693.474694][ T73] inet6_addr_add+0x4f8/0xa40 [ 6693.474694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.474694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.474694][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.474694][ T73] netlink_unicast+0x449/0x710 [ 6693.474694][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.474694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.474694][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.474694][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.474694][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.474694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.474694][ T73] [ 6693.476921][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6693.476921][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.476921][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.476921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.476921][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6693.476921][ T73] ipv6_add_addr+0x411/0x2000 [ 6693.476921][ T73] inet6_addr_add+0x30e/0xa40 [ 6693.476921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.476921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.476921][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.476921][ T73] netlink_unicast+0x449/0x710 [ 6693.476921][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.476921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.476921][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.476921][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.476921][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.476921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.476921][ T73] [ 6693.479153][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6693.479153][ T73] netdev_get_by_index+0x5e/0x80 [ 6693.479153][ T73] fib6_nh_init+0x3d8/0x1580 [ 6693.479153][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6693.479153][ T73] ip6_route_add+0x1c/0x140 [ 6693.479153][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6693.479153][ T73] addrconf_add_dev+0xe2/0x170 [ 6693.479153][ T73] inet6_addr_add+0x12f/0xa40 [ 6693.479153][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.479153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.479153][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.479153][ T73] netlink_unicast+0x449/0x710 [ 6693.479153][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.479153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.479153][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.479153][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.479153][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.479153][ T73] [ 6693.481354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6693.481354][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6693.481354][ T73] ipv6_find_idev+0x102/0x170 [ 6693.481354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.481354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.481354][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.481354][ T73] netlink_unicast+0x449/0x710 [ 6693.481354][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.481354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.481354][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.481354][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.481354][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.481354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.481354][ T73] [ 6693.483064][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6693.483064][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6693.483064][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6693.483064][ T73] ipv6_find_idev+0x102/0x170 [ 6693.483064][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.483064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.483064][ T73] netlink_rcv_skb+0x130/0x360 [ 6693.483064][ T73] netlink_unicast+0x449/0x710 [ 6693.483064][ T73] netlink_sendmsg+0x723/0xbe0 [ 6693.483064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6693.483064][ T73] ___sys_sendmsg+0xee/0x170 [ 6693.483064][ T73] __sys_sendmsg+0xcd/0x170 [ 6693.483064][ T73] do_syscall_64+0xc6/0x1e0 [ 6693.483064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.483064][ T73] [ 6703.726918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6703.727358][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.727358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6703.727358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6703.727358][ T73] fib6_nh_init+0xa22/0x1580 [ 6703.727358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.727358][ T73] ip6_route_add+0x1c/0x140 [ 6703.727358][ T73] inet6_rtm_newroute+0x104/0x110 [ 6703.727358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.727358][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.727358][ T73] netlink_unicast+0x449/0x710 [ 6703.727358][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.727358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.727358][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.727358][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.727358][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.727358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.727358][ T73] [ 6703.729281][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.729281][ T73] dst_init+0x84/0x4a0 [ 6703.729281][ T73] dst_alloc+0x97/0x150 [ 6703.729281][ T73] ip6_dst_alloc+0x23/0x90 [ 6703.729281][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6703.729281][ T73] ip6_pol_route+0x56f/0x840 [ 6703.729281][ T73] fib6_rule_lookup+0x456/0x630 [ 6703.729281][ T73] ip6_route_input+0x59c/0xa50 [ 6703.729281][ T73] ipv6_rcv+0x397/0x810 [ 6703.729281][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6703.729281][ T73] process_backlog+0x101/0x620 [ 6703.729281][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6703.729281][ T73] net_rx_action+0x495/0xbe0 [ 6703.729281][ T73] __do_softirq+0x1b5/0x7f6 [ 6703.729281][ T73] [ 6703.730922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.730922][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.730922][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.730922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.730922][ T73] ip6_route_add+0x1c/0x140 [ 6703.730922][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6703.730922][ T73] inet6_addr_add+0x4f8/0xa40 [ 6703.730922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.730922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.730922][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.730922][ T73] netlink_unicast+0x449/0x710 [ 6703.730922][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.730922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.730922][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.730922][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.730922][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.730922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.730922][ T73] [ 6703.732911][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.732911][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.732911][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.732911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.732911][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6703.732911][ T73] ipv6_add_addr+0x411/0x2000 [ 6703.732911][ T73] inet6_addr_add+0x30e/0xa40 [ 6703.732911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.732911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.732911][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.732911][ T73] netlink_unicast+0x449/0x710 [ 6703.732911][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.732911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.732911][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.732911][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.732911][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.732911][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.732911][ T73] [ 6703.734919][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.734919][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.734919][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.734919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.734919][ T73] ip6_route_add+0x1c/0x140 [ 6703.734919][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6703.734919][ T73] addrconf_add_dev+0xe2/0x170 [ 6703.734919][ T73] inet6_addr_add+0x12f/0xa40 [ 6703.734919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.734919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.734919][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.734919][ T73] netlink_unicast+0x449/0x710 [ 6703.734919][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.734919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.734919][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.734919][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.734919][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.734919][ T73] [ 6703.736895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.736895][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6703.736895][ T73] ipv6_find_idev+0x102/0x170 [ 6703.736895][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.736895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.736895][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.736895][ T73] netlink_unicast+0x449/0x710 [ 6703.736895][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.736895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.736895][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.736895][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.736895][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.736895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.736895][ T73] [ 6703.738426][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6703.738426][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6703.738426][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6703.738426][ T73] ipv6_find_idev+0x102/0x170 [ 6703.738426][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.738426][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.738426][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.738426][ T73] netlink_unicast+0x449/0x710 [ 6703.738426][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.738426][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.738426][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.738426][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.738426][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.738426][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.738426][ T73] [ 6703.740107][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6703.740373][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.740373][ T73] dst_init+0x84/0x4a0 [ 6703.740373][ T73] dst_alloc+0x97/0x150 [ 6703.740373][ T73] ip6_dst_alloc+0x23/0x90 [ 6703.740373][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6703.740373][ T73] ip6_pol_route+0x56f/0x840 [ 6703.740373][ T73] fib6_rule_lookup+0x456/0x630 [ 6703.740373][ T73] ip6_route_input+0x59c/0xa50 [ 6703.740373][ T73] ipv6_rcv+0x397/0x810 [ 6703.740373][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6703.740373][ T73] process_backlog+0x101/0x620 [ 6703.740373][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6703.740373][ T73] net_rx_action+0x495/0xbe0 [ 6703.740373][ T73] __do_softirq+0x1b5/0x7f6 [ 6703.740373][ T73] [ 6703.742012][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.742012][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.742012][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.742012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.742012][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6703.742012][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6703.742012][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6703.742012][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6703.742012][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6703.742012][ T73] addrconf_dad_begin+0x310/0x670 [ 6703.742012][ T73] addrconf_dad_work+0x10b/0xab0 [ 6703.742012][ T73] process_one_work+0x84d/0x18a0 [ 6703.742012][ T73] worker_thread+0x587/0xd30 [ 6703.742012][ T73] kthread+0x28a/0x350 [ 6703.742012][ T73] ret_from_fork+0x31/0x70 [ 6703.742012][ T73] ret_from_fork_asm+0x1a/0x30 [ 6703.742012][ T73] [ 6703.743902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.743902][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.743902][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.743902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.743902][ T73] ip6_route_add+0x1c/0x140 [ 6703.743902][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6703.743902][ T73] inet6_addr_add+0x4f8/0xa40 [ 6703.743902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.743902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.743902][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.743902][ T73] netlink_unicast+0x449/0x710 [ 6703.743902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.743902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.743902][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.743902][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.743902][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.743902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.743902][ T73] [ 6703.745880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.745880][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.745880][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.745880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.745880][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6703.745880][ T73] ipv6_add_addr+0x411/0x2000 [ 6703.745880][ T73] inet6_addr_add+0x30e/0xa40 [ 6703.745880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.745880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.745880][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.745880][ T73] netlink_unicast+0x449/0x710 [ 6703.745880][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.745880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.745880][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.745880][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.745880][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.745880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.745880][ T73] [ 6703.747858][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.747858][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.747858][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.747858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.747858][ T73] ip6_route_add+0x1c/0x140 [ 6703.747858][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6703.747858][ T73] addrconf_add_dev+0xe2/0x170 [ 6703.747858][ T73] inet6_addr_add+0x12f/0xa40 [ 6703.747858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.747858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.747858][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.747858][ T73] netlink_unicast+0x449/0x710 [ 6703.747858][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.747858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.747858][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.747858][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.747858][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.747858][ T73] [ 6703.749831][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.749831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6703.749831][ T73] ipv6_find_idev+0x102/0x170 [ 6703.749831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.749831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.749831][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.749831][ T73] netlink_unicast+0x449/0x710 [ 6703.749831][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.749831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.749831][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.749831][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.749831][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.749831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.749831][ T73] [ 6703.751355][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6703.751355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6703.751355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6703.751355][ T73] ipv6_find_idev+0x102/0x170 [ 6703.751355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.751355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.751355][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.751355][ T73] netlink_unicast+0x449/0x710 [ 6703.751355][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.751355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.751355][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.751355][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.751355][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.751355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.751355][ T73] [ 6703.753125][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6703.753391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.753391][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6703.753391][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6703.753391][ T73] fib6_nh_init+0xa22/0x1580 [ 6703.753391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.753391][ T73] ip6_route_add+0x1c/0x140 [ 6703.753391][ T73] inet6_rtm_newroute+0x104/0x110 [ 6703.753391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.753391][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.753391][ T73] netlink_unicast+0x449/0x710 [ 6703.753391][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.753391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.753391][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.753391][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.753391][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.753391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.753391][ T73] [ 6703.755535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.755535][ T73] dst_init+0x84/0x4a0 [ 6703.755535][ T73] dst_alloc+0x97/0x150 [ 6703.755535][ T73] ip6_dst_alloc+0x23/0x90 [ 6703.755535][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6703.755535][ T73] ip6_pol_route+0x56f/0x840 [ 6703.755535][ T73] fib6_rule_lookup+0x456/0x630 [ 6703.755535][ T73] ip6_route_input+0x59c/0xa50 [ 6703.755535][ T73] ipv6_rcv+0x397/0x810 [ 6703.755535][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6703.755535][ T73] process_backlog+0x101/0x620 [ 6703.755535][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6703.755535][ T73] net_rx_action+0x495/0xbe0 [ 6703.755535][ T73] __do_softirq+0x1b5/0x7f6 [ 6703.755535][ T73] [ 6703.757338][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.757338][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.757338][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.757338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.757338][ T73] ip6_route_add+0x1c/0x140 [ 6703.757338][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6703.757338][ T73] inet6_addr_add+0x4f8/0xa40 [ 6703.757338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.757338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.757338][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.757338][ T73] netlink_unicast+0x449/0x710 [ 6703.757338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.757338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.757338][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.757338][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.757338][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.757338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.757338][ T73] [ 6703.759577][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.759577][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.759577][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.759577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.759577][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6703.759577][ T73] ipv6_add_addr+0x411/0x2000 [ 6703.759577][ T73] inet6_addr_add+0x30e/0xa40 [ 6703.759577][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.759577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.759577][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.759577][ T73] netlink_unicast+0x449/0x710 [ 6703.759577][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.759577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.759577][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.759577][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.759577][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.759577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.759577][ T73] [ 6703.761906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.761906][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.761906][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.761906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.761906][ T73] ip6_route_add+0x1c/0x140 [ 6703.761906][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6703.761906][ T73] addrconf_add_dev+0xe2/0x170 [ 6703.761906][ T73] inet6_addr_add+0x12f/0xa40 [ 6703.761906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.761906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.761906][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.761906][ T73] netlink_unicast+0x449/0x710 [ 6703.761906][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.761906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.761906][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.761906][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.761906][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.761906][ T73] [ 6703.764107][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.764107][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6703.764107][ T73] ipv6_find_idev+0x102/0x170 [ 6703.764107][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.764107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.764107][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.764107][ T73] netlink_unicast+0x449/0x710 [ 6703.764107][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.764107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.764107][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.764107][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.764107][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.764107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.764107][ T73] [ 6703.765821][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6703.765821][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6703.765821][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6703.765821][ T73] ipv6_find_idev+0x102/0x170 [ 6703.765821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.765821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.765821][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.765821][ T73] netlink_unicast+0x449/0x710 [ 6703.765821][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.765821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.765821][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.765821][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.765821][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.765821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.765821][ T73] [ 6703.767734][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6703.768436][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6703.768436][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.768436][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.768436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.768436][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6703.768436][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6703.768436][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6703.768436][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6703.768436][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6703.768436][ T73] addrconf_dad_begin+0x310/0x670 [ 6703.768436][ T73] addrconf_dad_work+0x10b/0xab0 [ 6703.768436][ T73] process_one_work+0x84d/0x18a0 [ 6703.768436][ T73] worker_thread+0x587/0xd30 [ 6703.768436][ T73] kthread+0x28a/0x350 [ 6703.768436][ T73] ret_from_fork+0x31/0x70 [ 6703.768436][ T73] ret_from_fork_asm+0x1a/0x30 [ 6703.768436][ T73] [ 6703.770337][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6703.770337][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.770337][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.770337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.770337][ T73] ip6_route_add+0x1c/0x140 [ 6703.770337][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6703.770337][ T73] inet6_addr_add+0x4f8/0xa40 [ 6703.770337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.770337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.770337][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.770337][ T73] netlink_unicast+0x449/0x710 [ 6703.770337][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.770337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.770337][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.770337][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.770337][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.770337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.770337][ T73] [ 6703.772440][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6703.772440][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.772440][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.772440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.772440][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6703.772440][ T73] ipv6_add_addr+0x411/0x2000 [ 6703.772440][ T73] inet6_addr_add+0x30e/0xa40 [ 6703.772440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.772440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.772440][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.772440][ T73] netlink_unicast+0x449/0x710 [ 6703.772440][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.772440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.772440][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.772440][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.772440][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.772440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.772440][ T73] [ 6703.774599][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6703.774599][ T73] netdev_get_by_index+0x5e/0x80 [ 6703.774599][ T73] fib6_nh_init+0x3d8/0x1580 [ 6703.774599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6703.774599][ T73] ip6_route_add+0x1c/0x140 [ 6703.774599][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6703.774599][ T73] addrconf_add_dev+0xe2/0x170 [ 6703.774599][ T73] inet6_addr_add+0x12f/0xa40 [ 6703.774599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.774599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.774599][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.774599][ T73] netlink_unicast+0x449/0x710 [ 6703.774599][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.774599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.774599][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.774599][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.774599][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.774599][ T73] [ 6703.776881][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6703.776881][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6703.776881][ T73] ipv6_find_idev+0x102/0x170 [ 6703.776881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.776881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.776881][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.776881][ T73] netlink_unicast+0x449/0x710 [ 6703.776881][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.776881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.776881][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.776881][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.776881][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.776881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.776881][ T73] [ 6703.778585][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6703.778585][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6703.778585][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6703.778585][ T73] ipv6_find_idev+0x102/0x170 [ 6703.778585][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.778585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.778585][ T73] netlink_rcv_skb+0x130/0x360 [ 6703.778585][ T73] netlink_unicast+0x449/0x710 [ 6703.778585][ T73] netlink_sendmsg+0x723/0xbe0 [ 6703.778585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6703.778585][ T73] ___sys_sendmsg+0xee/0x170 [ 6703.778585][ T73] __sys_sendmsg+0xcd/0x170 [ 6703.778585][ T73] do_syscall_64+0xc6/0x1e0 [ 6703.778585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.778585][ T73] [ 6714.022887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6714.023271][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.023271][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6714.023271][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6714.023271][ T73] fib6_nh_init+0xa22/0x1580 [ 6714.023271][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.023271][ T73] ip6_route_add+0x1c/0x140 [ 6714.023271][ T73] inet6_rtm_newroute+0x104/0x110 [ 6714.023271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.023271][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.023271][ T73] netlink_unicast+0x449/0x710 [ 6714.023271][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.023271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.023271][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.023271][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.023271][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.023271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.023271][ T73] [ 6714.025149][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.025149][ T73] dst_init+0x84/0x4a0 [ 6714.025149][ T73] dst_alloc+0x97/0x150 [ 6714.025149][ T73] ip6_dst_alloc+0x23/0x90 [ 6714.025149][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6714.025149][ T73] ip6_pol_route+0x56f/0x840 [ 6714.025149][ T73] fib6_rule_lookup+0x456/0x630 [ 6714.025149][ T73] ip6_route_input+0x59c/0xa50 [ 6714.025149][ T73] ipv6_rcv+0x397/0x810 [ 6714.025149][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6714.025149][ T73] process_backlog+0x101/0x620 [ 6714.025149][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6714.025149][ T73] net_rx_action+0x495/0xbe0 [ 6714.025149][ T73] __do_softirq+0x1b5/0x7f6 [ 6714.025149][ T73] [ 6714.026773][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.026773][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.026773][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.026773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.026773][ T73] ip6_route_add+0x1c/0x140 [ 6714.026773][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6714.026773][ T73] inet6_addr_add+0x4f8/0xa40 [ 6714.026773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.026773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.026773][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.026773][ T73] netlink_unicast+0x449/0x710 [ 6714.026773][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.026773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.026773][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.026773][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.026773][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.026773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.026773][ T73] [ 6714.028761][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.028761][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.028761][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.028761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.028761][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6714.028761][ T73] ipv6_add_addr+0x411/0x2000 [ 6714.028761][ T73] inet6_addr_add+0x30e/0xa40 [ 6714.028761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.028761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.028761][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.028761][ T73] netlink_unicast+0x449/0x710 [ 6714.028761][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.028761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.028761][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.028761][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.028761][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.028761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.028761][ T73] [ 6714.030746][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.030746][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.030746][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.030746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.030746][ T73] ip6_route_add+0x1c/0x140 [ 6714.030746][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6714.030746][ T73] addrconf_add_dev+0xe2/0x170 [ 6714.030746][ T73] inet6_addr_add+0x12f/0xa40 [ 6714.030746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.030746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.030746][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.030746][ T73] netlink_unicast+0x449/0x710 [ 6714.030746][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.030746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.030746][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.030746][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.030746][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.030746][ T73] [ 6714.032697][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.032697][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6714.032697][ T73] ipv6_find_idev+0x102/0x170 [ 6714.032697][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.032697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.032697][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.032697][ T73] netlink_unicast+0x449/0x710 [ 6714.032697][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.032697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.032697][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.032697][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.032697][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.032697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.032697][ T73] [ 6714.034224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6714.034224][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6714.034224][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6714.034224][ T73] ipv6_find_idev+0x102/0x170 [ 6714.034224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.034224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.034224][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.034224][ T73] netlink_unicast+0x449/0x710 [ 6714.034224][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.034224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.034224][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.034224][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.034224][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.034224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.034224][ T73] [ 6714.035910][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6714.036177][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.036177][ T73] dst_init+0x84/0x4a0 [ 6714.036177][ T73] dst_alloc+0x97/0x150 [ 6714.036177][ T73] ip6_dst_alloc+0x23/0x90 [ 6714.036177][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6714.036177][ T73] ip6_pol_route+0x56f/0x840 [ 6714.036177][ T73] fib6_rule_lookup+0x456/0x630 [ 6714.036177][ T73] ip6_route_input+0x59c/0xa50 [ 6714.036177][ T73] ipv6_rcv+0x397/0x810 [ 6714.036177][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6714.036177][ T73] process_backlog+0x101/0x620 [ 6714.036177][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6714.036177][ T73] net_rx_action+0x495/0xbe0 [ 6714.036177][ T73] __do_softirq+0x1b5/0x7f6 [ 6714.036177][ T73] [ 6714.037807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.037807][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.037807][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.037807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.037807][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6714.037807][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6714.037807][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6714.037807][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6714.037807][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6714.037807][ T73] addrconf_dad_begin+0x310/0x670 [ 6714.037807][ T73] addrconf_dad_work+0x10b/0xab0 [ 6714.037807][ T73] process_one_work+0x84d/0x18a0 [ 6714.037807][ T73] worker_thread+0x587/0xd30 [ 6714.037807][ T73] kthread+0x28a/0x350 [ 6714.037807][ T73] ret_from_fork+0x31/0x70 [ 6714.037807][ T73] ret_from_fork_asm+0x1a/0x30 [ 6714.037807][ T73] [ 6714.039705][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.039705][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.039705][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.039705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.039705][ T73] ip6_route_add+0x1c/0x140 [ 6714.039705][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6714.039705][ T73] inet6_addr_add+0x4f8/0xa40 [ 6714.039705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.039705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.039705][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.039705][ T73] netlink_unicast+0x449/0x710 [ 6714.039705][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.039705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.039705][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.039705][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.039705][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.039705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.039705][ T73] [ 6714.041694][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.041694][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.041694][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.041694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.041694][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6714.041694][ T73] ipv6_add_addr+0x411/0x2000 [ 6714.041694][ T73] inet6_addr_add+0x30e/0xa40 [ 6714.041694][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.041694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.041694][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.041694][ T73] netlink_unicast+0x449/0x710 [ 6714.041694][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.041694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.041694][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.041694][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.041694][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.041694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.041694][ T73] [ 6714.043679][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.043679][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.043679][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.043679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.043679][ T73] ip6_route_add+0x1c/0x140 [ 6714.043679][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6714.043679][ T73] addrconf_add_dev+0xe2/0x170 [ 6714.043679][ T73] inet6_addr_add+0x12f/0xa40 [ 6714.043679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.043679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.043679][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.043679][ T73] netlink_unicast+0x449/0x710 [ 6714.043679][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.043679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.043679][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.043679][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.043679][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.043679][ T73] [ 6714.045632][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.045632][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6714.045632][ T73] ipv6_find_idev+0x102/0x170 [ 6714.045632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.045632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.045632][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.045632][ T73] netlink_unicast+0x449/0x710 [ 6714.045632][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.045632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.045632][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.045632][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.045632][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.045632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.045632][ T73] [ 6714.047162][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6714.047162][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6714.047162][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6714.047162][ T73] ipv6_find_idev+0x102/0x170 [ 6714.047162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.047162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.047162][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.047162][ T73] netlink_unicast+0x449/0x710 [ 6714.047162][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.047162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.047162][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.047162][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.047162][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.047162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.047162][ T73] [ 6714.048960][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6714.049223][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.049223][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6714.049223][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6714.049223][ T73] fib6_nh_init+0xa22/0x1580 [ 6714.049223][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.049223][ T73] ip6_route_add+0x1c/0x140 [ 6714.049223][ T73] inet6_rtm_newroute+0x104/0x110 [ 6714.049223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.049223][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.049223][ T73] netlink_unicast+0x449/0x710 [ 6714.049223][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.049223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.049223][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.049223][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.049223][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.049223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.049223][ T73] [ 6714.051333][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.051333][ T73] dst_init+0x84/0x4a0 [ 6714.051333][ T73] dst_alloc+0x97/0x150 [ 6714.051333][ T73] ip6_dst_alloc+0x23/0x90 [ 6714.051333][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6714.051333][ T73] ip6_pol_route+0x56f/0x840 [ 6714.051333][ T73] fib6_rule_lookup+0x456/0x630 [ 6714.051333][ T73] ip6_route_input+0x59c/0xa50 [ 6714.051333][ T73] ipv6_rcv+0x397/0x810 [ 6714.051333][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6714.051333][ T73] process_backlog+0x101/0x620 [ 6714.051333][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6714.051333][ T73] net_rx_action+0x495/0xbe0 [ 6714.051333][ T73] __do_softirq+0x1b5/0x7f6 [ 6714.051333][ T73] [ 6714.053143][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.053143][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.053143][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.053143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.053143][ T73] ip6_route_add+0x1c/0x140 [ 6714.053143][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6714.053143][ T73] inet6_addr_add+0x4f8/0xa40 [ 6714.053143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.053143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.053143][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.053143][ T73] netlink_unicast+0x449/0x710 [ 6714.053143][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.053143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.053143][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.053143][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.053143][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.053143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.053143][ T73] [ 6714.055371][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.055371][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.055371][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.055371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.055371][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6714.055371][ T73] ipv6_add_addr+0x411/0x2000 [ 6714.055371][ T73] inet6_addr_add+0x30e/0xa40 [ 6714.055371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.055371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.055371][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.055371][ T73] netlink_unicast+0x449/0x710 [ 6714.055371][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.055371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.055371][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.055371][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.055371][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.055371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.055371][ T73] [ 6714.057665][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.057665][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.057665][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.057665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.057665][ T73] ip6_route_add+0x1c/0x140 [ 6714.057665][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6714.057665][ T73] addrconf_add_dev+0xe2/0x170 [ 6714.057665][ T73] inet6_addr_add+0x12f/0xa40 [ 6714.057665][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.057665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.057665][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.057665][ T73] netlink_unicast+0x449/0x710 [ 6714.057665][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.057665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.057665][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.057665][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.057665][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.057665][ T73] [ 6714.059809][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.059809][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6714.059809][ T73] ipv6_find_idev+0x102/0x170 [ 6714.059809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.059809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.059809][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.059809][ T73] netlink_unicast+0x449/0x710 [ 6714.059809][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.059809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.059809][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.059809][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.059809][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.059809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.059809][ T73] [ 6714.061515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6714.061515][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6714.061515][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6714.061515][ T73] ipv6_find_idev+0x102/0x170 [ 6714.061515][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.061515][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.061515][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.061515][ T73] netlink_unicast+0x449/0x710 [ 6714.061515][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.061515][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.061515][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.061515][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.061515][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.061515][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.061515][ T73] [ 6714.063431][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6714.063694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6714.063694][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.063694][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.063694][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.063694][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6714.063694][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6714.063694][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6714.063694][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6714.063694][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6714.063694][ T73] addrconf_dad_begin+0x310/0x670 [ 6714.063694][ T73] addrconf_dad_work+0x10b/0xab0 [ 6714.063694][ T73] process_one_work+0x84d/0x18a0 [ 6714.063694][ T73] worker_thread+0x587/0xd30 [ 6714.063694][ T73] kthread+0x28a/0x350 [ 6714.063694][ T73] ret_from_fork+0x31/0x70 [ 6714.063694][ T73] ret_from_fork_asm+0x1a/0x30 [ 6714.063694][ T73] [ 6714.065931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6714.065931][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.065931][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.065931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.065931][ T73] ip6_route_add+0x1c/0x140 [ 6714.065931][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6714.065931][ T73] inet6_addr_add+0x4f8/0xa40 [ 6714.065931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.065931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.065931][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.065931][ T73] netlink_unicast+0x449/0x710 [ 6714.065931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.065931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.065931][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.065931][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.065931][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.065931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.065931][ T73] [ 6714.068158][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6714.068158][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.068158][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.068158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.068158][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6714.068158][ T73] ipv6_add_addr+0x411/0x2000 [ 6714.068158][ T73] inet6_addr_add+0x30e/0xa40 [ 6714.068158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.068158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.068158][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.068158][ T73] netlink_unicast+0x449/0x710 [ 6714.068158][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.068158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.068158][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.068158][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.068158][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.068158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.068158][ T73] [ 6714.070326][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6714.070326][ T73] netdev_get_by_index+0x5e/0x80 [ 6714.070326][ T73] fib6_nh_init+0x3d8/0x1580 [ 6714.070326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6714.070326][ T73] ip6_route_add+0x1c/0x140 [ 6714.070326][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6714.070326][ T73] addrconf_add_dev+0xe2/0x170 [ 6714.070326][ T73] inet6_addr_add+0x12f/0xa40 [ 6714.070326][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6714.070326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.070326][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.070326][ T73] netlink_unicast+0x449/0x710 [ 6714.070326][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.070326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.070326][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.070326][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.070326][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.070326][ T73] [ 6714.072514][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6714.072514][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6714.072514][ T73] ipv6_find_idev+0x102/0x170 [ 6714.072514][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.072514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.072514][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.072514][ T73] netlink_unicast+0x449/0x710 [ 6714.072514][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.072514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.072514][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.072514][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.072514][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.072514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.072514][ T73] [ 6714.074222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6714.074222][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6714.074222][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6714.074222][ T73] ipv6_find_idev+0x102/0x170 [ 6714.074222][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6714.074222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6714.074222][ T73] netlink_rcv_skb+0x130/0x360 [ 6714.074222][ T73] netlink_unicast+0x449/0x710 [ 6714.074222][ T73] netlink_sendmsg+0x723/0xbe0 [ 6714.074222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6714.074222][ T73] ___sys_sendmsg+0xee/0x170 [ 6714.074222][ T73] __sys_sendmsg+0xcd/0x170 [ 6714.074222][ T73] do_syscall_64+0xc6/0x1e0 [ 6714.074222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6714.074222][ T73] [ 6724.318884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6724.319345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.319345][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6724.319345][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6724.319345][ T73] fib6_nh_init+0xa22/0x1580 [ 6724.319345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.319345][ T73] ip6_route_add+0x1c/0x140 [ 6724.319345][ T73] inet6_rtm_newroute+0x104/0x110 [ 6724.319345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.319345][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.319345][ T73] netlink_unicast+0x449/0x710 [ 6724.319345][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.319345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.319345][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.319345][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.319345][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.319345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.319345][ T73] [ 6724.321273][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.321273][ T73] dst_init+0x84/0x4a0 [ 6724.321273][ T73] dst_alloc+0x97/0x150 [ 6724.321273][ T73] ip6_dst_alloc+0x23/0x90 [ 6724.321273][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6724.321273][ T73] ip6_pol_route+0x56f/0x840 [ 6724.321273][ T73] fib6_rule_lookup+0x456/0x630 [ 6724.321273][ T73] ip6_route_input+0x59c/0xa50 [ 6724.321273][ T73] ipv6_rcv+0x397/0x810 [ 6724.321273][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6724.321273][ T73] process_backlog+0x101/0x620 [ 6724.321273][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6724.321273][ T73] net_rx_action+0x495/0xbe0 [ 6724.321273][ T73] __do_softirq+0x1b5/0x7f6 [ 6724.321273][ T73] [ 6724.322913][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.322913][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.322913][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.322913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.322913][ T73] ip6_route_add+0x1c/0x140 [ 6724.322913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6724.322913][ T73] inet6_addr_add+0x4f8/0xa40 [ 6724.322913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.322913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.322913][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.322913][ T73] netlink_unicast+0x449/0x710 [ 6724.322913][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.322913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.322913][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.322913][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.322913][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.322913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.322913][ T73] [ 6724.324943][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.324943][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.324943][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.324943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.324943][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6724.324943][ T73] ipv6_add_addr+0x411/0x2000 [ 6724.324943][ T73] inet6_addr_add+0x30e/0xa40 [ 6724.324943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.324943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.324943][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.324943][ T73] netlink_unicast+0x449/0x710 [ 6724.324943][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.324943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.324943][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.324943][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.324943][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.324943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.324943][ T73] [ 6724.327467][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.327467][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.327467][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.327467][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.327467][ T73] ip6_route_add+0x1c/0x140 [ 6724.327467][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6724.327467][ T73] addrconf_add_dev+0xe2/0x170 [ 6724.327467][ T73] inet6_addr_add+0x12f/0xa40 [ 6724.327467][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.327467][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.327467][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.327467][ T73] netlink_unicast+0x449/0x710 [ 6724.327467][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.327467][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.327467][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.327467][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.327467][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.327467][ T73] [ 6724.329451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.329451][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6724.329451][ T73] ipv6_find_idev+0x102/0x170 [ 6724.329451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.329451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.329451][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.329451][ T73] netlink_unicast+0x449/0x710 [ 6724.329451][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.329451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.329451][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.329451][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.329451][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.329451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.329451][ T73] [ 6724.330998][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6724.330998][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6724.330998][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6724.330998][ T73] ipv6_find_idev+0x102/0x170 [ 6724.330998][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.330998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.330998][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.330998][ T73] netlink_unicast+0x449/0x710 [ 6724.330998][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.330998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.330998][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.330998][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.330998][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.330998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.330998][ T73] [ 6724.332736][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6724.333046][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.333046][ T73] dst_init+0x84/0x4a0 [ 6724.333046][ T73] dst_alloc+0x97/0x150 [ 6724.333046][ T73] ip6_dst_alloc+0x23/0x90 [ 6724.333046][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6724.333046][ T73] ip6_pol_route+0x56f/0x840 [ 6724.333046][ T73] fib6_rule_lookup+0x456/0x630 [ 6724.333046][ T73] ip6_route_input+0x59c/0xa50 [ 6724.333046][ T73] ipv6_rcv+0x397/0x810 [ 6724.333046][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6724.333046][ T73] process_backlog+0x101/0x620 [ 6724.333046][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6724.333046][ T73] net_rx_action+0x495/0xbe0 [ 6724.333046][ T73] __do_softirq+0x1b5/0x7f6 [ 6724.333046][ T73] [ 6724.334687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.334687][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.334687][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.334687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.334687][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6724.334687][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6724.334687][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6724.334687][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6724.334687][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6724.334687][ T73] addrconf_dad_begin+0x310/0x670 [ 6724.334687][ T73] addrconf_dad_work+0x10b/0xab0 [ 6724.334687][ T73] process_one_work+0x84d/0x18a0 [ 6724.334687][ T73] worker_thread+0x587/0xd30 [ 6724.334687][ T73] kthread+0x28a/0x350 [ 6724.334687][ T73] ret_from_fork+0x31/0x70 [ 6724.334687][ T73] ret_from_fork_asm+0x1a/0x30 [ 6724.334687][ T73] [ 6724.336568][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.336568][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.336568][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.336568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.336568][ T73] ip6_route_add+0x1c/0x140 [ 6724.336568][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6724.336568][ T73] inet6_addr_add+0x4f8/0xa40 [ 6724.336568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.336568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.336568][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.336568][ T73] netlink_unicast+0x449/0x710 [ 6724.336568][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.336568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.336568][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.336568][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.336568][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.336568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.336568][ T73] [ 6724.338544][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.338544][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.338544][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.338544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.338544][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6724.338544][ T73] ipv6_add_addr+0x411/0x2000 [ 6724.338544][ T73] inet6_addr_add+0x30e/0xa40 [ 6724.338544][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.338544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.338544][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.338544][ T73] netlink_unicast+0x449/0x710 [ 6724.338544][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.338544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.338544][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.338544][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.338544][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.338544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.338544][ T73] [ 6724.340550][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.340550][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.340550][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.340550][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.340550][ T73] ip6_route_add+0x1c/0x140 [ 6724.340550][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6724.340550][ T73] addrconf_add_dev+0xe2/0x170 [ 6724.340550][ T73] inet6_addr_add+0x12f/0xa40 [ 6724.340550][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.340550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.340550][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.340550][ T73] netlink_unicast+0x449/0x710 [ 6724.340550][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.340550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.340550][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.340550][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.340550][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.340550][ T73] [ 6724.342904][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.342904][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6724.342904][ T73] ipv6_find_idev+0x102/0x170 [ 6724.342904][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.342904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.342904][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.342904][ T73] netlink_unicast+0x449/0x710 [ 6724.342904][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.342904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.342904][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.342904][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.342904][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.342904][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.342904][ T73] [ 6724.344472][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6724.344472][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6724.344472][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6724.344472][ T73] ipv6_find_idev+0x102/0x170 [ 6724.344472][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.344472][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.344472][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.344472][ T73] netlink_unicast+0x449/0x710 [ 6724.344472][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.344472][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.344472][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.344472][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.344472][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.344472][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.344472][ T73] [ 6724.346297][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6724.346627][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.346627][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6724.346627][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6724.346627][ T73] fib6_nh_init+0xa22/0x1580 [ 6724.346627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.346627][ T73] ip6_route_add+0x1c/0x140 [ 6724.346627][ T73] inet6_rtm_newroute+0x104/0x110 [ 6724.346627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.346627][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.346627][ T73] netlink_unicast+0x449/0x710 [ 6724.346627][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.346627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.346627][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.346627][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.346627][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.346627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.346627][ T73] [ 6724.348730][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.348730][ T73] dst_init+0x84/0x4a0 [ 6724.348730][ T73] dst_alloc+0x97/0x150 [ 6724.348730][ T73] ip6_dst_alloc+0x23/0x90 [ 6724.348730][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6724.348730][ T73] ip6_pol_route+0x56f/0x840 [ 6724.348730][ T73] fib6_rule_lookup+0x456/0x630 [ 6724.348730][ T73] ip6_route_input+0x59c/0xa50 [ 6724.348730][ T73] ipv6_rcv+0x397/0x810 [ 6724.348730][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6724.348730][ T73] process_backlog+0x101/0x620 [ 6724.348730][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6724.348730][ T73] net_rx_action+0x495/0xbe0 [ 6724.348730][ T73] __do_softirq+0x1b5/0x7f6 [ 6724.348730][ T73] [ 6724.350550][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.350550][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.350550][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.350550][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.350550][ T73] ip6_route_add+0x1c/0x140 [ 6724.350550][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6724.350550][ T73] inet6_addr_add+0x4f8/0xa40 [ 6724.350550][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.350550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.350550][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.350550][ T73] netlink_unicast+0x449/0x710 [ 6724.350550][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.350550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.350550][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.350550][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.350550][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.350550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.350550][ T73] [ 6724.352799][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.352799][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.352799][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.352799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.352799][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6724.352799][ T73] ipv6_add_addr+0x411/0x2000 [ 6724.352799][ T73] inet6_addr_add+0x30e/0xa40 [ 6724.352799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.352799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.352799][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.352799][ T73] netlink_unicast+0x449/0x710 [ 6724.352799][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.352799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.352799][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.352799][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.352799][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.352799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.352799][ T73] [ 6724.355055][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.355055][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.355055][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.355055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.355055][ T73] ip6_route_add+0x1c/0x140 [ 6724.355055][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6724.355055][ T73] addrconf_add_dev+0xe2/0x170 [ 6724.355055][ T73] inet6_addr_add+0x12f/0xa40 [ 6724.355055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.355055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.355055][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.355055][ T73] netlink_unicast+0x449/0x710 [ 6724.355055][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.355055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.355055][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.355055][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.355055][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.355055][ T73] [ 6724.357330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.357330][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6724.357330][ T73] ipv6_find_idev+0x102/0x170 [ 6724.357330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.357330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.357330][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.357330][ T73] netlink_unicast+0x449/0x710 [ 6724.357330][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.357330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.357330][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.357330][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.357330][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.357330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.357330][ T73] [ 6724.359036][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6724.359036][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6724.359036][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6724.359036][ T73] ipv6_find_idev+0x102/0x170 [ 6724.359036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.359036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.359036][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.359036][ T73] netlink_unicast+0x449/0x710 [ 6724.359036][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.359036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.359036][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.359036][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.359036][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.359036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.359036][ T73] [ 6724.360915][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6724.361187][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6724.361187][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.361187][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.361187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.361187][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6724.361187][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6724.361187][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6724.361187][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6724.361187][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6724.361187][ T73] addrconf_dad_begin+0x310/0x670 [ 6724.361187][ T73] addrconf_dad_work+0x10b/0xab0 [ 6724.361187][ T73] process_one_work+0x84d/0x18a0 [ 6724.361187][ T73] worker_thread+0x587/0xd30 [ 6724.361187][ T73] kthread+0x28a/0x350 [ 6724.361187][ T73] ret_from_fork+0x31/0x70 [ 6724.361187][ T73] ret_from_fork_asm+0x1a/0x30 [ 6724.361187][ T73] [ 6724.363366][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6724.363366][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.363366][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.363366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.363366][ T73] ip6_route_add+0x1c/0x140 [ 6724.363366][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6724.363366][ T73] inet6_addr_add+0x4f8/0xa40 [ 6724.363366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.363366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.363366][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.363366][ T73] netlink_unicast+0x449/0x710 [ 6724.363366][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.363366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.363366][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.363366][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.363366][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.363366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.363366][ T73] [ 6724.365630][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6724.365630][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.365630][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.365630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.365630][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6724.365630][ T73] ipv6_add_addr+0x411/0x2000 [ 6724.365630][ T73] inet6_addr_add+0x30e/0xa40 [ 6724.365630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.365630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.365630][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.365630][ T73] netlink_unicast+0x449/0x710 [ 6724.365630][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.365630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.365630][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.365630][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.365630][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.365630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.365630][ T73] [ 6724.367982][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6724.367982][ T73] netdev_get_by_index+0x5e/0x80 [ 6724.367982][ T73] fib6_nh_init+0x3d8/0x1580 [ 6724.367982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6724.367982][ T73] ip6_route_add+0x1c/0x140 [ 6724.367982][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6724.367982][ T73] addrconf_add_dev+0xe2/0x170 [ 6724.367982][ T73] inet6_addr_add+0x12f/0xa40 [ 6724.367982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6724.367982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.367982][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.367982][ T73] netlink_unicast+0x449/0x710 [ 6724.367982][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.367982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.367982][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.367982][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.367982][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.367982][ T73] [ 6724.370145][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6724.370145][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6724.370145][ T73] ipv6_find_idev+0x102/0x170 [ 6724.370145][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.370145][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.370145][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.370145][ T73] netlink_unicast+0x449/0x710 [ 6724.370145][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.370145][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.370145][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.370145][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.370145][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.370145][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.370145][ T73] [ 6724.371867][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6724.371867][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6724.371867][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6724.371867][ T73] ipv6_find_idev+0x102/0x170 [ 6724.371867][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6724.371867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6724.371867][ T73] netlink_rcv_skb+0x130/0x360 [ 6724.371867][ T73] netlink_unicast+0x449/0x710 [ 6724.371867][ T73] netlink_sendmsg+0x723/0xbe0 [ 6724.371867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6724.371867][ T73] ___sys_sendmsg+0xee/0x170 [ 6724.371867][ T73] __sys_sendmsg+0xcd/0x170 [ 6724.371867][ T73] do_syscall_64+0xc6/0x1e0 [ 6724.371867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6724.371867][ T73] [ 6734.398896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6734.399348][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.399348][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6734.399348][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6734.399348][ T73] fib6_nh_init+0xa22/0x1580 [ 6734.399348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.399348][ T73] ip6_route_add+0x1c/0x140 [ 6734.399348][ T73] inet6_rtm_newroute+0x104/0x110 [ 6734.399348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.399348][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.399348][ T73] netlink_unicast+0x449/0x710 [ 6734.399348][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.399348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.399348][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.399348][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.399348][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.399348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.399348][ T73] [ 6734.401292][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.401292][ T73] dst_init+0x84/0x4a0 [ 6734.401292][ T73] dst_alloc+0x97/0x150 [ 6734.401292][ T73] ip6_dst_alloc+0x23/0x90 [ 6734.401292][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6734.401292][ T73] ip6_pol_route+0x56f/0x840 [ 6734.401292][ T73] fib6_rule_lookup+0x456/0x630 [ 6734.401292][ T73] ip6_route_input+0x59c/0xa50 [ 6734.401292][ T73] ipv6_rcv+0x397/0x810 [ 6734.401292][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6734.401292][ T73] process_backlog+0x101/0x620 [ 6734.401292][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6734.401292][ T73] net_rx_action+0x495/0xbe0 [ 6734.401292][ T73] __do_softirq+0x1b5/0x7f6 [ 6734.401292][ T73] [ 6734.402921][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.402921][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.402921][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.402921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.402921][ T73] ip6_route_add+0x1c/0x140 [ 6734.402921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6734.402921][ T73] inet6_addr_add+0x4f8/0xa40 [ 6734.402921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.402921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.402921][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.402921][ T73] netlink_unicast+0x449/0x710 [ 6734.402921][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.402921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.402921][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.402921][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.402921][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.402921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.402921][ T73] [ 6734.405302][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.405302][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.405302][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.405302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.405302][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6734.405302][ T73] ipv6_add_addr+0x411/0x2000 [ 6734.405302][ T73] inet6_addr_add+0x30e/0xa40 [ 6734.405302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.405302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.405302][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.405302][ T73] netlink_unicast+0x449/0x710 [ 6734.405302][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.405302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.405302][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.405302][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.405302][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.405302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.405302][ T73] [ 6734.407291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.407291][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.407291][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.407291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.407291][ T73] ip6_route_add+0x1c/0x140 [ 6734.407291][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6734.407291][ T73] addrconf_add_dev+0xe2/0x170 [ 6734.407291][ T73] inet6_addr_add+0x12f/0xa40 [ 6734.407291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.407291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.407291][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.407291][ T73] netlink_unicast+0x449/0x710 [ 6734.407291][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.407291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.407291][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.407291][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.407291][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.407291][ T73] [ 6734.409249][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.409249][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6734.409249][ T73] ipv6_find_idev+0x102/0x170 [ 6734.409249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.409249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.409249][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.409249][ T73] netlink_unicast+0x449/0x710 [ 6734.409249][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.409249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.409249][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.409249][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.409249][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.409249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.409249][ T73] [ 6734.410809][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6734.410809][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6734.410809][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6734.410809][ T73] ipv6_find_idev+0x102/0x170 [ 6734.410809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.410809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.410809][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.410809][ T73] netlink_unicast+0x449/0x710 [ 6734.410809][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.410809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.410809][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.410809][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.410809][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.410809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.410809][ T73] [ 6734.412493][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6734.412762][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.412762][ T73] dst_init+0x84/0x4a0 [ 6734.412762][ T73] dst_alloc+0x97/0x150 [ 6734.412762][ T73] ip6_dst_alloc+0x23/0x90 [ 6734.412762][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6734.412762][ T73] ip6_pol_route+0x56f/0x840 [ 6734.412762][ T73] fib6_rule_lookup+0x456/0x630 [ 6734.412762][ T73] ip6_route_input+0x59c/0xa50 [ 6734.412762][ T73] ipv6_rcv+0x397/0x810 [ 6734.412762][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6734.412762][ T73] process_backlog+0x101/0x620 [ 6734.412762][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6734.412762][ T73] net_rx_action+0x495/0xbe0 [ 6734.412762][ T73] __do_softirq+0x1b5/0x7f6 [ 6734.412762][ T73] [ 6734.414394][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.414394][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.414394][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.414394][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.414394][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6734.414394][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6734.414394][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6734.414394][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6734.414394][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6734.414394][ T73] addrconf_dad_begin+0x310/0x670 [ 6734.414394][ T73] addrconf_dad_work+0x10b/0xab0 [ 6734.414394][ T73] process_one_work+0x84d/0x18a0 [ 6734.414394][ T73] worker_thread+0x587/0xd30 [ 6734.414394][ T73] kthread+0x28a/0x350 [ 6734.414394][ T73] ret_from_fork+0x31/0x70 [ 6734.414394][ T73] ret_from_fork_asm+0x1a/0x30 [ 6734.414394][ T73] [ 6734.416309][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.416309][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.416309][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.416309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.416309][ T73] ip6_route_add+0x1c/0x140 [ 6734.416309][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6734.416309][ T73] inet6_addr_add+0x4f8/0xa40 [ 6734.416309][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.416309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.416309][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.416309][ T73] netlink_unicast+0x449/0x710 [ 6734.416309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.416309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.416309][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.416309][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.416309][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.416309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.416309][ T73] [ 6734.418298][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.418298][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.418298][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.418298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.418298][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6734.418298][ T73] ipv6_add_addr+0x411/0x2000 [ 6734.418298][ T73] inet6_addr_add+0x30e/0xa40 [ 6734.418298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.418298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.418298][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.418298][ T73] netlink_unicast+0x449/0x710 [ 6734.418298][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.418298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.418298][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.418298][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.418298][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.418298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.418298][ T73] [ 6734.420302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.420302][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.420302][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.420302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.420302][ T73] ip6_route_add+0x1c/0x140 [ 6734.420302][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6734.420302][ T73] addrconf_add_dev+0xe2/0x170 [ 6734.420302][ T73] inet6_addr_add+0x12f/0xa40 [ 6734.420302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.420302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.420302][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.420302][ T73] netlink_unicast+0x449/0x710 [ 6734.420302][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.420302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.420302][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.420302][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.420302][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.420302][ T73] [ 6734.422262][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.422262][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6734.422262][ T73] ipv6_find_idev+0x102/0x170 [ 6734.422262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.422262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.422262][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.422262][ T73] netlink_unicast+0x449/0x710 [ 6734.422262][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.422262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.422262][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.422262][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.422262][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.422262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.422262][ T73] [ 6734.423794][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6734.423794][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6734.423794][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6734.423794][ T73] ipv6_find_idev+0x102/0x170 [ 6734.423794][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.423794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.423794][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.423794][ T73] netlink_unicast+0x449/0x710 [ 6734.423794][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.423794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.423794][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.423794][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.423794][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.423794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.423794][ T73] [ 6734.425582][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6734.425921][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.425921][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6734.425921][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6734.425921][ T73] fib6_nh_init+0xa22/0x1580 [ 6734.425921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.425921][ T73] ip6_route_add+0x1c/0x140 [ 6734.425921][ T73] inet6_rtm_newroute+0x104/0x110 [ 6734.425921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.425921][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.425921][ T73] netlink_unicast+0x449/0x710 [ 6734.425921][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.425921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.425921][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.425921][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.425921][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.425921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.425921][ T73] [ 6734.428055][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.428055][ T73] dst_init+0x84/0x4a0 [ 6734.428055][ T73] dst_alloc+0x97/0x150 [ 6734.428055][ T73] ip6_dst_alloc+0x23/0x90 [ 6734.428055][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6734.428055][ T73] ip6_pol_route+0x56f/0x840 [ 6734.428055][ T73] fib6_rule_lookup+0x456/0x630 [ 6734.428055][ T73] ip6_route_input+0x59c/0xa50 [ 6734.428055][ T73] ipv6_rcv+0x397/0x810 [ 6734.428055][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6734.428055][ T73] process_backlog+0x101/0x620 [ 6734.428055][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6734.428055][ T73] net_rx_action+0x495/0xbe0 [ 6734.428055][ T73] __do_softirq+0x1b5/0x7f6 [ 6734.428055][ T73] [ 6734.429875][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.429875][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.429875][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.429875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.429875][ T73] ip6_route_add+0x1c/0x140 [ 6734.429875][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6734.429875][ T73] inet6_addr_add+0x4f8/0xa40 [ 6734.429875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.429875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.429875][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.429875][ T73] netlink_unicast+0x449/0x710 [ 6734.429875][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.429875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.429875][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.429875][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.429875][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.429875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.429875][ T73] [ 6734.432123][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.432123][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.432123][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.432123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.432123][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6734.432123][ T73] ipv6_add_addr+0x411/0x2000 [ 6734.432123][ T73] inet6_addr_add+0x30e/0xa40 [ 6734.432123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.432123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.432123][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.432123][ T73] netlink_unicast+0x449/0x710 [ 6734.432123][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.432123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.432123][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.432123][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.432123][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.432123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.432123][ T73] [ 6734.434303][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.434303][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.434303][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.434303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.434303][ T73] ip6_route_add+0x1c/0x140 [ 6734.434303][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6734.434303][ T73] addrconf_add_dev+0xe2/0x170 [ 6734.434303][ T73] inet6_addr_add+0x12f/0xa40 [ 6734.434303][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.434303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.434303][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.434303][ T73] netlink_unicast+0x449/0x710 [ 6734.434303][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.434303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.434303][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.434303][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.434303][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.434303][ T73] [ 6734.436499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.436499][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6734.436499][ T73] ipv6_find_idev+0x102/0x170 [ 6734.436499][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.436499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.436499][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.436499][ T73] netlink_unicast+0x449/0x710 [ 6734.436499][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.436499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.436499][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.436499][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.436499][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.436499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.436499][ T73] [ 6734.438286][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6734.438286][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6734.438286][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6734.438286][ T73] ipv6_find_idev+0x102/0x170 [ 6734.438286][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.438286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.438286][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.438286][ T73] netlink_unicast+0x449/0x710 [ 6734.438286][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.438286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.438286][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.438286][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.438286][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.438286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.438286][ T73] [ 6734.440147][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6734.440418][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6734.440418][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.440418][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.440418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.440418][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6734.440418][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6734.440418][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6734.440418][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6734.440418][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6734.440418][ T73] addrconf_dad_begin+0x310/0x670 [ 6734.440418][ T73] addrconf_dad_work+0x10b/0xab0 [ 6734.440418][ T73] process_one_work+0x84d/0x18a0 [ 6734.440418][ T73] worker_thread+0x587/0xd30 [ 6734.440418][ T73] kthread+0x28a/0x350 [ 6734.440418][ T73] ret_from_fork+0x31/0x70 [ 6734.440418][ T73] ret_from_fork_asm+0x1a/0x30 [ 6734.440418][ T73] [ 6734.442583][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6734.442583][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.442583][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.442583][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.442583][ T73] ip6_route_add+0x1c/0x140 [ 6734.442583][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6734.442583][ T73] inet6_addr_add+0x4f8/0xa40 [ 6734.442583][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.442583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.442583][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.442583][ T73] netlink_unicast+0x449/0x710 [ 6734.442583][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.442583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.442583][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.442583][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.442583][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.442583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.442583][ T73] [ 6734.444818][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6734.444818][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.444818][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.444818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.444818][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6734.444818][ T73] ipv6_add_addr+0x411/0x2000 [ 6734.444818][ T73] inet6_addr_add+0x30e/0xa40 [ 6734.444818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.444818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.444818][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.444818][ T73] netlink_unicast+0x449/0x710 [ 6734.444818][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.444818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.444818][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.444818][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.444818][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.444818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.444818][ T73] [ 6734.447645][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6734.447645][ T73] netdev_get_by_index+0x5e/0x80 [ 6734.447645][ T73] fib6_nh_init+0x3d8/0x1580 [ 6734.447645][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6734.447645][ T73] ip6_route_add+0x1c/0x140 [ 6734.447645][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6734.447645][ T73] addrconf_add_dev+0xe2/0x170 [ 6734.447645][ T73] inet6_addr_add+0x12f/0xa40 [ 6734.447645][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.447645][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.447645][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.447645][ T73] netlink_unicast+0x449/0x710 [ 6734.447645][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.447645][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.447645][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.447645][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.447645][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.447645][ T73] [ 6734.449796][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6734.449796][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6734.449796][ T73] ipv6_find_idev+0x102/0x170 [ 6734.449796][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.449796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.449796][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.449796][ T73] netlink_unicast+0x449/0x710 [ 6734.449796][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.449796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.449796][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.449796][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.449796][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.449796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.449796][ T73] [ 6734.451514][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6734.451514][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6734.451514][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6734.451514][ T73] ipv6_find_idev+0x102/0x170 [ 6734.451514][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.451514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.451514][ T73] netlink_rcv_skb+0x130/0x360 [ 6734.451514][ T73] netlink_unicast+0x449/0x710 [ 6734.451514][ T73] netlink_sendmsg+0x723/0xbe0 [ 6734.451514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6734.451514][ T73] ___sys_sendmsg+0xee/0x170 [ 6734.451514][ T73] __sys_sendmsg+0xcd/0x170 [ 6734.451514][ T73] do_syscall_64+0xc6/0x1e0 [ 6734.451514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.451514][ T73] [ 6744.702886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6744.703337][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.703337][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6744.703337][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6744.703337][ T73] fib6_nh_init+0xa22/0x1580 [ 6744.703337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.703337][ T73] ip6_route_add+0x1c/0x140 [ 6744.703337][ T73] inet6_rtm_newroute+0x104/0x110 [ 6744.703337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.703337][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.703337][ T73] netlink_unicast+0x449/0x710 [ 6744.703337][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.703337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.703337][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.703337][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.703337][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.703337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.703337][ T73] [ 6744.705208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.705208][ T73] dst_init+0x84/0x4a0 [ 6744.705208][ T73] dst_alloc+0x97/0x150 [ 6744.705208][ T73] ip6_dst_alloc+0x23/0x90 [ 6744.705208][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6744.705208][ T73] ip6_pol_route+0x56f/0x840 [ 6744.705208][ T73] fib6_rule_lookup+0x456/0x630 [ 6744.705208][ T73] ip6_route_input+0x59c/0xa50 [ 6744.705208][ T73] ipv6_rcv+0x397/0x810 [ 6744.705208][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6744.705208][ T73] process_backlog+0x101/0x620 [ 6744.705208][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6744.705208][ T73] net_rx_action+0x495/0xbe0 [ 6744.705208][ T73] __do_softirq+0x1b5/0x7f6 [ 6744.705208][ T73] [ 6744.707201][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.707201][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.707201][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.707201][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.707201][ T73] ip6_route_add+0x1c/0x140 [ 6744.707201][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6744.707201][ T73] inet6_addr_add+0x4f8/0xa40 [ 6744.707201][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.707201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.707201][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.707201][ T73] netlink_unicast+0x449/0x710 [ 6744.707201][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.707201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.707201][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.707201][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.707201][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.707201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.707201][ T73] [ 6744.709193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.709193][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.709193][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.709193][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.709193][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6744.709193][ T73] ipv6_add_addr+0x411/0x2000 [ 6744.709193][ T73] inet6_addr_add+0x30e/0xa40 [ 6744.709193][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.709193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.709193][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.709193][ T73] netlink_unicast+0x449/0x710 [ 6744.709193][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.709193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.709193][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.709193][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.709193][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.709193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.709193][ T73] [ 6744.711208][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.711208][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.711208][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.711208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.711208][ T73] ip6_route_add+0x1c/0x140 [ 6744.711208][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6744.711208][ T73] addrconf_add_dev+0xe2/0x170 [ 6744.711208][ T73] inet6_addr_add+0x12f/0xa40 [ 6744.711208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.711208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.711208][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.711208][ T73] netlink_unicast+0x449/0x710 [ 6744.711208][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.711208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.711208][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.711208][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.711208][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.711208][ T73] [ 6744.713162][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.713162][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6744.713162][ T73] ipv6_find_idev+0x102/0x170 [ 6744.713162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.713162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.713162][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.713162][ T73] netlink_unicast+0x449/0x710 [ 6744.713162][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.713162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.713162][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.713162][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.713162][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.713162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.713162][ T73] [ 6744.714722][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6744.714722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6744.714722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6744.714722][ T73] ipv6_find_idev+0x102/0x170 [ 6744.714722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.714722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.714722][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.714722][ T73] netlink_unicast+0x449/0x710 [ 6744.714722][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.714722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.714722][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.714722][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.714722][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.714722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.714722][ T73] [ 6744.716397][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6744.716668][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.716668][ T73] dst_init+0x84/0x4a0 [ 6744.716668][ T73] dst_alloc+0x97/0x150 [ 6744.716668][ T73] ip6_dst_alloc+0x23/0x90 [ 6744.716668][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6744.716668][ T73] ip6_pol_route+0x56f/0x840 [ 6744.716668][ T73] fib6_rule_lookup+0x456/0x630 [ 6744.716668][ T73] ip6_route_input+0x59c/0xa50 [ 6744.716668][ T73] ipv6_rcv+0x397/0x810 [ 6744.716668][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6744.716668][ T73] process_backlog+0x101/0x620 [ 6744.716668][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6744.716668][ T73] net_rx_action+0x495/0xbe0 [ 6744.716668][ T73] __do_softirq+0x1b5/0x7f6 [ 6744.716668][ T73] [ 6744.718303][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.718303][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.718303][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.718303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.718303][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6744.718303][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6744.718303][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6744.718303][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6744.718303][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6744.718303][ T73] addrconf_dad_begin+0x310/0x670 [ 6744.718303][ T73] addrconf_dad_work+0x10b/0xab0 [ 6744.718303][ T73] process_one_work+0x84d/0x18a0 [ 6744.718303][ T73] worker_thread+0x587/0xd30 [ 6744.718303][ T73] kthread+0x28a/0x350 [ 6744.718303][ T73] ret_from_fork+0x31/0x70 [ 6744.718303][ T73] ret_from_fork_asm+0x1a/0x30 [ 6744.718303][ T73] [ 6744.720209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.720209][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.720209][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.720209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.720209][ T73] ip6_route_add+0x1c/0x140 [ 6744.720209][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6744.720209][ T73] inet6_addr_add+0x4f8/0xa40 [ 6744.720209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.720209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.720209][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.720209][ T73] netlink_unicast+0x449/0x710 [ 6744.720209][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.720209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.720209][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.720209][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.720209][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.720209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.720209][ T73] [ 6744.722199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.722199][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.722199][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.722199][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.722199][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6744.722199][ T73] ipv6_add_addr+0x411/0x2000 [ 6744.722199][ T73] inet6_addr_add+0x30e/0xa40 [ 6744.722199][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.722199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.722199][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.722199][ T73] netlink_unicast+0x449/0x710 [ 6744.722199][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.722199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.722199][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.722199][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.722199][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.722199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.722199][ T73] [ 6744.724186][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.724186][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.724186][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.724186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.724186][ T73] ip6_route_add+0x1c/0x140 [ 6744.724186][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6744.724186][ T73] addrconf_add_dev+0xe2/0x170 [ 6744.724186][ T73] inet6_addr_add+0x12f/0xa40 [ 6744.724186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.724186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.724186][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.724186][ T73] netlink_unicast+0x449/0x710 [ 6744.724186][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.724186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.724186][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.724186][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.724186][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.724186][ T73] [ 6744.726139][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.726139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6744.726139][ T73] ipv6_find_idev+0x102/0x170 [ 6744.726139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.726139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.726139][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.726139][ T73] netlink_unicast+0x449/0x710 [ 6744.726139][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.726139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.726139][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.726139][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.726139][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.726139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.726139][ T73] [ 6744.727670][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6744.727670][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6744.727670][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6744.727670][ T73] ipv6_find_idev+0x102/0x170 [ 6744.727670][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.727670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.727670][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.727670][ T73] netlink_unicast+0x449/0x710 [ 6744.727670][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.727670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.727670][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.727670][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.727670][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.727670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.727670][ T73] [ 6744.729421][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6744.729752][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.729752][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6744.729752][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6744.729752][ T73] fib6_nh_init+0xa22/0x1580 [ 6744.729752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.729752][ T73] ip6_route_add+0x1c/0x140 [ 6744.729752][ T73] inet6_rtm_newroute+0x104/0x110 [ 6744.729752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.729752][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.729752][ T73] netlink_unicast+0x449/0x710 [ 6744.729752][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.729752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.729752][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.729752][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.729752][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.729752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.729752][ T73] [ 6744.731864][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.731864][ T73] dst_init+0x84/0x4a0 [ 6744.731864][ T73] dst_alloc+0x97/0x150 [ 6744.731864][ T73] ip6_dst_alloc+0x23/0x90 [ 6744.731864][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6744.731864][ T73] ip6_pol_route+0x56f/0x840 [ 6744.731864][ T73] fib6_rule_lookup+0x456/0x630 [ 6744.731864][ T73] ip6_route_input+0x59c/0xa50 [ 6744.731864][ T73] ipv6_rcv+0x397/0x810 [ 6744.731864][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6744.731864][ T73] process_backlog+0x101/0x620 [ 6744.731864][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6744.731864][ T73] net_rx_action+0x495/0xbe0 [ 6744.731864][ T73] __do_softirq+0x1b5/0x7f6 [ 6744.731864][ T73] [ 6744.733673][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.733673][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.733673][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.733673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.733673][ T73] ip6_route_add+0x1c/0x140 [ 6744.733673][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6744.733673][ T73] inet6_addr_add+0x4f8/0xa40 [ 6744.733673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.733673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.733673][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.733673][ T73] netlink_unicast+0x449/0x710 [ 6744.733673][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.733673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.733673][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.733673][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.733673][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.733673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.733673][ T73] [ 6744.735906][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.735906][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.735906][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.735906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.735906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6744.735906][ T73] ipv6_add_addr+0x411/0x2000 [ 6744.735906][ T73] inet6_addr_add+0x30e/0xa40 [ 6744.735906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.735906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.735906][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.735906][ T73] netlink_unicast+0x449/0x710 [ 6744.735906][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.735906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.735906][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.735906][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.735906][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.735906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.735906][ T73] [ 6744.738133][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.738133][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.738133][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.738133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.738133][ T73] ip6_route_add+0x1c/0x140 [ 6744.738133][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6744.738133][ T73] addrconf_add_dev+0xe2/0x170 [ 6744.738133][ T73] inet6_addr_add+0x12f/0xa40 [ 6744.738133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.738133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.738133][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.738133][ T73] netlink_unicast+0x449/0x710 [ 6744.738133][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.738133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.738133][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.738133][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.738133][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.738133][ T73] [ 6744.740392][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.740392][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6744.740392][ T73] ipv6_find_idev+0x102/0x170 [ 6744.740392][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.740392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.740392][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.740392][ T73] netlink_unicast+0x449/0x710 [ 6744.740392][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.740392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.740392][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.740392][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.740392][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.740392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.740392][ T73] [ 6744.742106][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6744.742106][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6744.742106][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6744.742106][ T73] ipv6_find_idev+0x102/0x170 [ 6744.742106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.742106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.742106][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.742106][ T73] netlink_unicast+0x449/0x710 [ 6744.742106][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.742106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.742106][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.742106][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.742106][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.742106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.742106][ T73] [ 6744.743961][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6744.744227][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6744.744227][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.744227][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.744227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.744227][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6744.744227][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6744.744227][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6744.744227][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6744.744227][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6744.744227][ T73] addrconf_dad_begin+0x310/0x670 [ 6744.744227][ T73] addrconf_dad_work+0x10b/0xab0 [ 6744.744227][ T73] process_one_work+0x84d/0x18a0 [ 6744.744227][ T73] worker_thread+0x587/0xd30 [ 6744.744227][ T73] kthread+0x28a/0x350 [ 6744.744227][ T73] ret_from_fork+0x31/0x70 [ 6744.744227][ T73] ret_from_fork_asm+0x1a/0x30 [ 6744.744227][ T73] [ 6744.746380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6744.746380][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.746380][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.746380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.746380][ T73] ip6_route_add+0x1c/0x140 [ 6744.746380][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6744.746380][ T73] inet6_addr_add+0x4f8/0xa40 [ 6744.746380][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.746380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.746380][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.746380][ T73] netlink_unicast+0x449/0x710 [ 6744.746380][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.746380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.746380][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.746380][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.746380][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.746380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.746380][ T73] [ 6744.748610][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6744.748610][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.748610][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.748610][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.748610][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6744.748610][ T73] ipv6_add_addr+0x411/0x2000 [ 6744.748610][ T73] inet6_addr_add+0x30e/0xa40 [ 6744.748610][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.748610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.748610][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.748610][ T73] netlink_unicast+0x449/0x710 [ 6744.748610][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.748610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.748610][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.748610][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.748610][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.748610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.748610][ T73] [ 6744.750903][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6744.750903][ T73] netdev_get_by_index+0x5e/0x80 [ 6744.750903][ T73] fib6_nh_init+0x3d8/0x1580 [ 6744.750903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6744.750903][ T73] ip6_route_add+0x1c/0x140 [ 6744.750903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6744.750903][ T73] addrconf_add_dev+0xe2/0x170 [ 6744.750903][ T73] inet6_addr_add+0x12f/0xa40 [ 6744.750903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.750903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.750903][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.750903][ T73] netlink_unicast+0x449/0x710 [ 6744.750903][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.750903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.750903][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.750903][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.750903][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.750903][ T73] [ 6744.753032][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6744.753032][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6744.753032][ T73] ipv6_find_idev+0x102/0x170 [ 6744.753032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.753032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.753032][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.753032][ T73] netlink_unicast+0x449/0x710 [ 6744.753032][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.753032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.753032][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.753032][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.753032][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.753032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.753032][ T73] [ 6744.754746][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6744.754746][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6744.754746][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6744.754746][ T73] ipv6_find_idev+0x102/0x170 [ 6744.754746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.754746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.754746][ T73] netlink_rcv_skb+0x130/0x360 [ 6744.754746][ T73] netlink_unicast+0x449/0x710 [ 6744.754746][ T73] netlink_sendmsg+0x723/0xbe0 [ 6744.754746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6744.754746][ T73] ___sys_sendmsg+0xee/0x170 [ 6744.754746][ T73] __sys_sendmsg+0xcd/0x170 [ 6744.754746][ T73] do_syscall_64+0xc6/0x1e0 [ 6744.754746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.754746][ T73] [ 6754.998887][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6754.999330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6754.999330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6754.999330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6754.999330][ T73] fib6_nh_init+0xa22/0x1580 [ 6754.999330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6754.999330][ T73] ip6_route_add+0x1c/0x140 [ 6754.999330][ T73] inet6_rtm_newroute+0x104/0x110 [ 6754.999330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.999330][ T73] netlink_rcv_skb+0x130/0x360 [ 6754.999330][ T73] netlink_unicast+0x449/0x710 [ 6754.999330][ T73] netlink_sendmsg+0x723/0xbe0 [ 6754.999330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6754.999330][ T73] ___sys_sendmsg+0xee/0x170 [ 6754.999330][ T73] __sys_sendmsg+0xcd/0x170 [ 6754.999330][ T73] do_syscall_64+0xc6/0x1e0 [ 6754.999330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6754.999330][ T73] [ 6755.001602][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6755.001602][ T73] dst_init+0x84/0x4a0 [ 6755.001602][ T73] dst_alloc+0x97/0x150 [ 6755.001602][ T73] ip6_dst_alloc+0x23/0x90 [ 6755.001602][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6755.001602][ T73] ip6_pol_route+0x56f/0x840 [ 6755.001602][ T73] fib6_rule_lookup+0x456/0x630 [ 6755.001602][ T73] ip6_route_input+0x59c/0xa50 [ 6755.001602][ T73] ipv6_rcv+0x397/0x810 [ 6755.001602][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6755.001602][ T73] process_backlog+0x101/0x620 [ 6755.001602][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6755.001602][ T73] net_rx_action+0x495/0xbe0 [ 6755.001602][ T73] __do_softirq+0x1b5/0x7f6 [ 6755.001602][ T73] [ 6755.003190][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6755.003190][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.003190][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.003190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.003190][ T73] ip6_route_add+0x1c/0x140 [ 6755.003190][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6755.003190][ T73] inet6_addr_add+0x4f8/0xa40 [ 6755.003190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.003190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.003190][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.003190][ T73] netlink_unicast+0x449/0x710 [ 6755.003190][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.003190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.003190][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.003190][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.003190][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.003190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.003190][ T73] [ 6755.005173][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6755.005173][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.005173][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.005173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.005173][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6755.005173][ T73] ipv6_add_addr+0x411/0x2000 [ 6755.005173][ T73] inet6_addr_add+0x30e/0xa40 [ 6755.005173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.005173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.005173][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.005173][ T73] netlink_unicast+0x449/0x710 [ 6755.005173][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.005173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.005173][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.005173][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.005173][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.005173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.005173][ T73] [ 6755.007151][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6755.007151][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.007151][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.007151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.007151][ T73] ip6_route_add+0x1c/0x140 [ 6755.007151][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6755.007151][ T73] addrconf_add_dev+0xe2/0x170 [ 6755.007151][ T73] inet6_addr_add+0x12f/0xa40 [ 6755.007151][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.007151][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.007151][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.007151][ T73] netlink_unicast+0x449/0x710 [ 6755.007151][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.007151][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.007151][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.007151][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.007151][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.007151][ T73] [ 6755.009101][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6755.009101][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6755.009101][ T73] ipv6_find_idev+0x102/0x170 [ 6755.009101][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.009101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.009101][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.009101][ T73] netlink_unicast+0x449/0x710 [ 6755.009101][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.009101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.009101][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.009101][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.009101][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.009101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.009101][ T73] [ 6755.010635][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6755.010635][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6755.010635][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6755.010635][ T73] ipv6_find_idev+0x102/0x170 [ 6755.010635][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.010635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.010635][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.010635][ T73] netlink_unicast+0x449/0x710 [ 6755.010635][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.010635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.010635][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.010635][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.010635][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.010635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.010635][ T73] [ 6755.012311][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6755.012586][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.012586][ T73] dst_init+0x84/0x4a0 [ 6755.012586][ T73] dst_alloc+0x97/0x150 [ 6755.012586][ T73] ip6_dst_alloc+0x23/0x90 [ 6755.012586][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6755.012586][ T73] ip6_pol_route+0x56f/0x840 [ 6755.012586][ T73] fib6_rule_lookup+0x456/0x630 [ 6755.012586][ T73] ip6_route_input+0x59c/0xa50 [ 6755.012586][ T73] ipv6_rcv+0x397/0x810 [ 6755.012586][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6755.012586][ T73] process_backlog+0x101/0x620 [ 6755.012586][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6755.012586][ T73] net_rx_action+0x495/0xbe0 [ 6755.012586][ T73] __do_softirq+0x1b5/0x7f6 [ 6755.012586][ T73] [ 6755.014227][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.014227][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.014227][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.014227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.014227][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6755.014227][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6755.014227][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6755.014227][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6755.014227][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6755.014227][ T73] addrconf_dad_begin+0x310/0x670 [ 6755.014227][ T73] addrconf_dad_work+0x10b/0xab0 [ 6755.014227][ T73] process_one_work+0x84d/0x18a0 [ 6755.014227][ T73] worker_thread+0x587/0xd30 [ 6755.014227][ T73] kthread+0x28a/0x350 [ 6755.014227][ T73] ret_from_fork+0x31/0x70 [ 6755.014227][ T73] ret_from_fork_asm+0x1a/0x30 [ 6755.014227][ T73] [ 6755.016116][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.016116][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.016116][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.016116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.016116][ T73] ip6_route_add+0x1c/0x140 [ 6755.016116][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6755.016116][ T73] inet6_addr_add+0x4f8/0xa40 [ 6755.016116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.016116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.016116][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.016116][ T73] netlink_unicast+0x449/0x710 [ 6755.016116][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.016116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.016116][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.016116][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.016116][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.016116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.016116][ T73] [ 6755.018095][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.018095][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.018095][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.018095][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.018095][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6755.018095][ T73] ipv6_add_addr+0x411/0x2000 [ 6755.018095][ T73] inet6_addr_add+0x30e/0xa40 [ 6755.018095][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.018095][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.018095][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.018095][ T73] netlink_unicast+0x449/0x710 [ 6755.018095][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.018095][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.018095][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.018095][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.018095][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.018095][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.018095][ T73] [ 6755.020079][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.020079][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.020079][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.020079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.020079][ T73] ip6_route_add+0x1c/0x140 [ 6755.020079][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6755.020079][ T73] addrconf_add_dev+0xe2/0x170 [ 6755.020079][ T73] inet6_addr_add+0x12f/0xa40 [ 6755.020079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.020079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.020079][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.020079][ T73] netlink_unicast+0x449/0x710 [ 6755.020079][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.020079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.020079][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.020079][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.020079][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.020079][ T73] [ 6755.022031][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.022031][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6755.022031][ T73] ipv6_find_idev+0x102/0x170 [ 6755.022031][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.022031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.022031][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.022031][ T73] netlink_unicast+0x449/0x710 [ 6755.022031][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.022031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.022031][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.022031][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.022031][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.022031][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.022031][ T73] [ 6755.023569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6755.023569][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6755.023569][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6755.023569][ T73] ipv6_find_idev+0x102/0x170 [ 6755.023569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.023569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.023569][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.023569][ T73] netlink_unicast+0x449/0x710 [ 6755.023569][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.023569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.023569][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.023569][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.023569][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.023569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.023569][ T73] [ 6755.025314][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6755.025648][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.025648][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6755.025648][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6755.025648][ T73] fib6_nh_init+0xa22/0x1580 [ 6755.025648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.025648][ T73] ip6_route_add+0x1c/0x140 [ 6755.025648][ T73] inet6_rtm_newroute+0x104/0x110 [ 6755.025648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.025648][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.025648][ T73] netlink_unicast+0x449/0x710 [ 6755.025648][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.025648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.025648][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.025648][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.025648][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.025648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.025648][ T73] [ 6755.027647][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.027647][ T73] dst_init+0x84/0x4a0 [ 6755.027647][ T73] dst_alloc+0x97/0x150 [ 6755.027647][ T73] ip6_dst_alloc+0x23/0x90 [ 6755.027647][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6755.027647][ T73] ip6_pol_route+0x56f/0x840 [ 6755.027647][ T73] fib6_rule_lookup+0x456/0x630 [ 6755.027647][ T73] ip6_route_input+0x59c/0xa50 [ 6755.027647][ T73] ipv6_rcv+0x397/0x810 [ 6755.027647][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6755.027647][ T73] process_backlog+0x101/0x620 [ 6755.027647][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6755.027647][ T73] net_rx_action+0x495/0xbe0 [ 6755.027647][ T73] __do_softirq+0x1b5/0x7f6 [ 6755.027647][ T73] [ 6755.029330][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.029330][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.029330][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.029330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.029330][ T73] ip6_route_add+0x1c/0x140 [ 6755.029330][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6755.029330][ T73] inet6_addr_add+0x4f8/0xa40 [ 6755.029330][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.029330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.029330][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.029330][ T73] netlink_unicast+0x449/0x710 [ 6755.029330][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.029330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.029330][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.029330][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.029330][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.029330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.029330][ T73] [ 6755.031450][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.031450][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.031450][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.031450][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.031450][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6755.031450][ T73] ipv6_add_addr+0x411/0x2000 [ 6755.031450][ T73] inet6_addr_add+0x30e/0xa40 [ 6755.031450][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.031450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.031450][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.031450][ T73] netlink_unicast+0x449/0x710 [ 6755.031450][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.031450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.031450][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.031450][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.031450][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.031450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.031450][ T73] [ 6755.033568][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.033568][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.033568][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.033568][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.033568][ T73] ip6_route_add+0x1c/0x140 [ 6755.033568][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6755.033568][ T73] addrconf_add_dev+0xe2/0x170 [ 6755.033568][ T73] inet6_addr_add+0x12f/0xa40 [ 6755.033568][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.033568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.033568][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.033568][ T73] netlink_unicast+0x449/0x710 [ 6755.033568][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.033568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.033568][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.033568][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.033568][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.033568][ T73] [ 6755.035650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.035650][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6755.035650][ T73] ipv6_find_idev+0x102/0x170 [ 6755.035650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.035650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.035650][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.035650][ T73] netlink_unicast+0x449/0x710 [ 6755.035650][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.035650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.035650][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.035650][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.035650][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.035650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.035650][ T73] [ 6755.037307][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6755.037307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6755.037307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6755.037307][ T73] ipv6_find_idev+0x102/0x170 [ 6755.037307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.037307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.037307][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.037307][ T73] netlink_unicast+0x449/0x710 [ 6755.037307][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.037307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.037307][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.037307][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.037307][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.037307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.037307][ T73] [ 6755.039041][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6755.039305][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6755.039305][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.039305][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.039305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.039305][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6755.039305][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6755.039305][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6755.039305][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6755.039305][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6755.039305][ T73] addrconf_dad_begin+0x310/0x670 [ 6755.039305][ T73] addrconf_dad_work+0x10b/0xab0 [ 6755.039305][ T73] process_one_work+0x84d/0x18a0 [ 6755.039305][ T73] worker_thread+0x587/0xd30 [ 6755.039305][ T73] kthread+0x28a/0x350 [ 6755.039305][ T73] ret_from_fork+0x31/0x70 [ 6755.039305][ T73] ret_from_fork_asm+0x1a/0x30 [ 6755.039305][ T73] [ 6755.041338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6755.041338][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.041338][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.041338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.041338][ T73] ip6_route_add+0x1c/0x140 [ 6755.041338][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6755.041338][ T73] inet6_addr_add+0x4f8/0xa40 [ 6755.041338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.041338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.041338][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.041338][ T73] netlink_unicast+0x449/0x710 [ 6755.041338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.041338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.041338][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.041338][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.041338][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.041338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.041338][ T73] [ 6755.043458][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6755.043458][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.043458][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.043458][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.043458][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6755.043458][ T73] ipv6_add_addr+0x411/0x2000 [ 6755.043458][ T73] inet6_addr_add+0x30e/0xa40 [ 6755.043458][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.043458][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.043458][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.043458][ T73] netlink_unicast+0x449/0x710 [ 6755.043458][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.043458][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.043458][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.043458][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.043458][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.043458][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.043458][ T73] [ 6755.045571][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6755.045571][ T73] netdev_get_by_index+0x5e/0x80 [ 6755.045571][ T73] fib6_nh_init+0x3d8/0x1580 [ 6755.045571][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6755.045571][ T73] ip6_route_add+0x1c/0x140 [ 6755.045571][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6755.045571][ T73] addrconf_add_dev+0xe2/0x170 [ 6755.045571][ T73] inet6_addr_add+0x12f/0xa40 [ 6755.045571][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6755.045571][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.045571][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.045571][ T73] netlink_unicast+0x449/0x710 [ 6755.045571][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.045571][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.045571][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.045571][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.045571][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.045571][ T73] [ 6755.047644][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6755.047644][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6755.047644][ T73] ipv6_find_idev+0x102/0x170 [ 6755.047644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.047644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.047644][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.047644][ T73] netlink_unicast+0x449/0x710 [ 6755.047644][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.047644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.047644][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.047644][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.047644][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.047644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.047644][ T73] [ 6755.049344][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6755.049344][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6755.049344][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6755.049344][ T73] ipv6_find_idev+0x102/0x170 [ 6755.049344][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6755.049344][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6755.049344][ T73] netlink_rcv_skb+0x130/0x360 [ 6755.049344][ T73] netlink_unicast+0x449/0x710 [ 6755.049344][ T73] netlink_sendmsg+0x723/0xbe0 [ 6755.049344][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6755.049344][ T73] ___sys_sendmsg+0xee/0x170 [ 6755.049344][ T73] __sys_sendmsg+0xcd/0x170 [ 6755.049344][ T73] do_syscall_64+0xc6/0x1e0 [ 6755.049344][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6755.049344][ T73] [ 6765.286956][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6765.287392][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.287392][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6765.287392][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6765.287392][ T73] fib6_nh_init+0xa22/0x1580 [ 6765.287392][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.287392][ T73] ip6_route_add+0x1c/0x140 [ 6765.287392][ T73] inet6_rtm_newroute+0x104/0x110 [ 6765.287392][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.287392][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.287392][ T73] netlink_unicast+0x449/0x710 [ 6765.287392][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.287392][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.287392][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.287392][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.287392][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.287392][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.287392][ T73] [ 6765.289285][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.289285][ T73] dst_init+0x84/0x4a0 [ 6765.289285][ T73] dst_alloc+0x97/0x150 [ 6765.289285][ T73] ip6_dst_alloc+0x23/0x90 [ 6765.289285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6765.289285][ T73] ip6_pol_route+0x56f/0x840 [ 6765.289285][ T73] fib6_rule_lookup+0x456/0x630 [ 6765.289285][ T73] ip6_route_input+0x59c/0xa50 [ 6765.289285][ T73] ipv6_rcv+0x397/0x810 [ 6765.289285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6765.289285][ T73] process_backlog+0x101/0x620 [ 6765.289285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6765.289285][ T73] net_rx_action+0x495/0xbe0 [ 6765.289285][ T73] __do_softirq+0x1b5/0x7f6 [ 6765.289285][ T73] [ 6765.290920][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.290920][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.290920][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.290920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.290920][ T73] ip6_route_add+0x1c/0x140 [ 6765.290920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6765.290920][ T73] inet6_addr_add+0x4f8/0xa40 [ 6765.290920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.290920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.290920][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.290920][ T73] netlink_unicast+0x449/0x710 [ 6765.290920][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.290920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.290920][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.290920][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.290920][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.290920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.290920][ T73] [ 6765.292922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.292922][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.292922][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.292922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.292922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6765.292922][ T73] ipv6_add_addr+0x411/0x2000 [ 6765.292922][ T73] inet6_addr_add+0x30e/0xa40 [ 6765.292922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.292922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.292922][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.292922][ T73] netlink_unicast+0x449/0x710 [ 6765.292922][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.292922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.292922][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.292922][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.292922][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.292922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.292922][ T73] [ 6765.294902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.294902][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.294902][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.294902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.294902][ T73] ip6_route_add+0x1c/0x140 [ 6765.294902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6765.294902][ T73] addrconf_add_dev+0xe2/0x170 [ 6765.294902][ T73] inet6_addr_add+0x12f/0xa40 [ 6765.294902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.294902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.294902][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.294902][ T73] netlink_unicast+0x449/0x710 [ 6765.294902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.294902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.294902][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.294902][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.294902][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.294902][ T73] [ 6765.296882][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.296882][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6765.296882][ T73] ipv6_find_idev+0x102/0x170 [ 6765.296882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.296882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.296882][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.296882][ T73] netlink_unicast+0x449/0x710 [ 6765.296882][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.296882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.296882][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.296882][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.296882][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.296882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.296882][ T73] [ 6765.298931][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6765.298931][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6765.298931][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6765.298931][ T73] ipv6_find_idev+0x102/0x170 [ 6765.298931][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.298931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.298931][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.298931][ T73] netlink_unicast+0x449/0x710 [ 6765.298931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.298931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.298931][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.298931][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.298931][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.298931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.298931][ T73] [ 6765.300615][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6765.300894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.300894][ T73] dst_init+0x84/0x4a0 [ 6765.300894][ T73] dst_alloc+0x97/0x150 [ 6765.300894][ T73] ip6_dst_alloc+0x23/0x90 [ 6765.300894][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6765.300894][ T73] ip6_pol_route+0x56f/0x840 [ 6765.300894][ T73] fib6_rule_lookup+0x456/0x630 [ 6765.300894][ T73] ip6_route_input+0x59c/0xa50 [ 6765.300894][ T73] ipv6_rcv+0x397/0x810 [ 6765.300894][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6765.300894][ T73] process_backlog+0x101/0x620 [ 6765.300894][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6765.300894][ T73] net_rx_action+0x495/0xbe0 [ 6765.300894][ T73] __do_softirq+0x1b5/0x7f6 [ 6765.300894][ T73] [ 6765.302519][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.302519][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.302519][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.302519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.302519][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6765.302519][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6765.302519][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6765.302519][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6765.302519][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6765.302519][ T73] addrconf_dad_begin+0x310/0x670 [ 6765.302519][ T73] addrconf_dad_work+0x10b/0xab0 [ 6765.302519][ T73] process_one_work+0x84d/0x18a0 [ 6765.302519][ T73] worker_thread+0x587/0xd30 [ 6765.302519][ T73] kthread+0x28a/0x350 [ 6765.302519][ T73] ret_from_fork+0x31/0x70 [ 6765.302519][ T73] ret_from_fork_asm+0x1a/0x30 [ 6765.302519][ T73] [ 6765.304399][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.304399][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.304399][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.304399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.304399][ T73] ip6_route_add+0x1c/0x140 [ 6765.304399][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6765.304399][ T73] inet6_addr_add+0x4f8/0xa40 [ 6765.304399][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.304399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.304399][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.304399][ T73] netlink_unicast+0x449/0x710 [ 6765.304399][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.304399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.304399][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.304399][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.304399][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.304399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.304399][ T73] [ 6765.306389][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.306389][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.306389][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.306389][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.306389][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6765.306389][ T73] ipv6_add_addr+0x411/0x2000 [ 6765.306389][ T73] inet6_addr_add+0x30e/0xa40 [ 6765.306389][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.306389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.306389][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.306389][ T73] netlink_unicast+0x449/0x710 [ 6765.306389][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.306389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.306389][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.306389][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.306389][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.306389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.306389][ T73] [ 6765.308369][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.308369][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.308369][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.308369][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.308369][ T73] ip6_route_add+0x1c/0x140 [ 6765.308369][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6765.308369][ T73] addrconf_add_dev+0xe2/0x170 [ 6765.308369][ T73] inet6_addr_add+0x12f/0xa40 [ 6765.308369][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.308369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.308369][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.308369][ T73] netlink_unicast+0x449/0x710 [ 6765.308369][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.308369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.308369][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.308369][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.308369][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.308369][ T73] [ 6765.310314][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.310314][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6765.310314][ T73] ipv6_find_idev+0x102/0x170 [ 6765.310314][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.310314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.310314][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.310314][ T73] netlink_unicast+0x449/0x710 [ 6765.310314][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.310314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.310314][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.310314][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.310314][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.310314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.310314][ T73] [ 6765.312221][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6765.312221][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6765.312221][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6765.312221][ T73] ipv6_find_idev+0x102/0x170 [ 6765.312221][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.312221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.312221][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.312221][ T73] netlink_unicast+0x449/0x710 [ 6765.312221][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.312221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.312221][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.312221][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.312221][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.312221][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.312221][ T73] [ 6765.314003][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6765.314326][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.314326][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6765.314326][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6765.314326][ T73] fib6_nh_init+0xa22/0x1580 [ 6765.314326][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.314326][ T73] ip6_route_add+0x1c/0x140 [ 6765.314326][ T73] inet6_rtm_newroute+0x104/0x110 [ 6765.314326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.314326][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.314326][ T73] netlink_unicast+0x449/0x710 [ 6765.314326][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.314326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.314326][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.314326][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.314326][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.314326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.314326][ T73] [ 6765.316359][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.316359][ T73] dst_init+0x84/0x4a0 [ 6765.316359][ T73] dst_alloc+0x97/0x150 [ 6765.316359][ T73] ip6_dst_alloc+0x23/0x90 [ 6765.316359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6765.316359][ T73] ip6_pol_route+0x56f/0x840 [ 6765.316359][ T73] fib6_rule_lookup+0x456/0x630 [ 6765.316359][ T73] ip6_route_input+0x59c/0xa50 [ 6765.316359][ T73] ipv6_rcv+0x397/0x810 [ 6765.316359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6765.316359][ T73] process_backlog+0x101/0x620 [ 6765.316359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6765.316359][ T73] net_rx_action+0x495/0xbe0 [ 6765.316359][ T73] __do_softirq+0x1b5/0x7f6 [ 6765.316359][ T73] [ 6765.318169][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.318169][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.318169][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.318169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.318169][ T73] ip6_route_add+0x1c/0x140 [ 6765.318169][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6765.318169][ T73] inet6_addr_add+0x4f8/0xa40 [ 6765.318169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.318169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.318169][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.318169][ T73] netlink_unicast+0x449/0x710 [ 6765.318169][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.318169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.318169][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.318169][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.318169][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.318169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.318169][ T73] [ 6765.320456][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.320456][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.320456][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.320456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.320456][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6765.320456][ T73] ipv6_add_addr+0x411/0x2000 [ 6765.320456][ T73] inet6_addr_add+0x30e/0xa40 [ 6765.320456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.320456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.320456][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.320456][ T73] netlink_unicast+0x449/0x710 [ 6765.320456][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.320456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.320456][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.320456][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.320456][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.320456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.320456][ T73] [ 6765.322676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.322676][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.322676][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.322676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.322676][ T73] ip6_route_add+0x1c/0x140 [ 6765.322676][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6765.322676][ T73] addrconf_add_dev+0xe2/0x170 [ 6765.322676][ T73] inet6_addr_add+0x12f/0xa40 [ 6765.322676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.322676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.322676][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.322676][ T73] netlink_unicast+0x449/0x710 [ 6765.322676][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.322676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.322676][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.322676][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.322676][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.322676][ T73] [ 6765.324858][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.324858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6765.324858][ T73] ipv6_find_idev+0x102/0x170 [ 6765.324858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.324858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.324858][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.324858][ T73] netlink_unicast+0x449/0x710 [ 6765.324858][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.324858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.324858][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.324858][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.324858][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.324858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.324858][ T73] [ 6765.326564][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6765.326564][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6765.326564][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6765.326564][ T73] ipv6_find_idev+0x102/0x170 [ 6765.326564][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.326564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.326564][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.326564][ T73] netlink_unicast+0x449/0x710 [ 6765.326564][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.326564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.326564][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.326564][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.326564][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.326564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.326564][ T73] [ 6765.328879][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6765.329147][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6765.329147][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.329147][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.329147][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.329147][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6765.329147][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6765.329147][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6765.329147][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6765.329147][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6765.329147][ T73] addrconf_dad_begin+0x310/0x670 [ 6765.329147][ T73] addrconf_dad_work+0x10b/0xab0 [ 6765.329147][ T73] process_one_work+0x84d/0x18a0 [ 6765.329147][ T73] worker_thread+0x587/0xd30 [ 6765.329147][ T73] kthread+0x28a/0x350 [ 6765.329147][ T73] ret_from_fork+0x31/0x70 [ 6765.329147][ T73] ret_from_fork_asm+0x1a/0x30 [ 6765.329147][ T73] [ 6765.331039][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6765.331039][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.331039][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.331039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.331039][ T73] ip6_route_add+0x1c/0x140 [ 6765.331039][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6765.331039][ T73] inet6_addr_add+0x4f8/0xa40 [ 6765.331039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.331039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.331039][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.331039][ T73] netlink_unicast+0x449/0x710 [ 6765.331039][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.331039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.331039][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.331039][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.331039][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.331039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.331039][ T73] [ 6765.333158][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6765.333158][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.333158][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.333158][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.333158][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6765.333158][ T73] ipv6_add_addr+0x411/0x2000 [ 6765.333158][ T73] inet6_addr_add+0x30e/0xa40 [ 6765.333158][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.333158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.333158][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.333158][ T73] netlink_unicast+0x449/0x710 [ 6765.333158][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.333158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.333158][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.333158][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.333158][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.333158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.333158][ T73] [ 6765.335384][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6765.335384][ T73] netdev_get_by_index+0x5e/0x80 [ 6765.335384][ T73] fib6_nh_init+0x3d8/0x1580 [ 6765.335384][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6765.335384][ T73] ip6_route_add+0x1c/0x140 [ 6765.335384][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6765.335384][ T73] addrconf_add_dev+0xe2/0x170 [ 6765.335384][ T73] inet6_addr_add+0x12f/0xa40 [ 6765.335384][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6765.335384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.335384][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.335384][ T73] netlink_unicast+0x449/0x710 [ 6765.335384][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.335384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.335384][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.335384][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.335384][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.335384][ T73] [ 6765.337516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6765.337516][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6765.337516][ T73] ipv6_find_idev+0x102/0x170 [ 6765.337516][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.337516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.337516][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.337516][ T73] netlink_unicast+0x449/0x710 [ 6765.337516][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.337516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.337516][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.337516][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.337516][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.337516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.337516][ T73] [ 6765.339218][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6765.339218][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6765.339218][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6765.339218][ T73] ipv6_find_idev+0x102/0x170 [ 6765.339218][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6765.339218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6765.339218][ T73] netlink_rcv_skb+0x130/0x360 [ 6765.339218][ T73] netlink_unicast+0x449/0x710 [ 6765.339218][ T73] netlink_sendmsg+0x723/0xbe0 [ 6765.339218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6765.339218][ T73] ___sys_sendmsg+0xee/0x170 [ 6765.339218][ T73] __sys_sendmsg+0xcd/0x170 [ 6765.339218][ T73] do_syscall_64+0xc6/0x1e0 [ 6765.339218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6765.339218][ T73] [ 6775.582882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6775.583338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.583338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6775.583338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6775.583338][ T73] fib6_nh_init+0xa22/0x1580 [ 6775.583338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.583338][ T73] ip6_route_add+0x1c/0x140 [ 6775.583338][ T73] inet6_rtm_newroute+0x104/0x110 [ 6775.583338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.583338][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.583338][ T73] netlink_unicast+0x449/0x710 [ 6775.583338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.583338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.583338][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.583338][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.583338][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.583338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.583338][ T73] [ 6775.585224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.585224][ T73] dst_init+0x84/0x4a0 [ 6775.585224][ T73] dst_alloc+0x97/0x150 [ 6775.585224][ T73] ip6_dst_alloc+0x23/0x90 [ 6775.585224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6775.585224][ T73] ip6_pol_route+0x56f/0x840 [ 6775.585224][ T73] fib6_rule_lookup+0x456/0x630 [ 6775.585224][ T73] ip6_route_input+0x59c/0xa50 [ 6775.585224][ T73] ipv6_rcv+0x397/0x810 [ 6775.585224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6775.585224][ T73] process_backlog+0x101/0x620 [ 6775.585224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6775.585224][ T73] net_rx_action+0x495/0xbe0 [ 6775.585224][ T73] __do_softirq+0x1b5/0x7f6 [ 6775.585224][ T73] [ 6775.586854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.586854][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.586854][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.586854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.586854][ T73] ip6_route_add+0x1c/0x140 [ 6775.586854][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6775.586854][ T73] inet6_addr_add+0x4f8/0xa40 [ 6775.586854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.586854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.586854][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.586854][ T73] netlink_unicast+0x449/0x710 [ 6775.586854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.586854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.586854][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.586854][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.586854][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.586854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.586854][ T73] [ 6775.588854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.588854][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.588854][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.588854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.588854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6775.588854][ T73] ipv6_add_addr+0x411/0x2000 [ 6775.588854][ T73] inet6_addr_add+0x30e/0xa40 [ 6775.588854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.588854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.588854][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.588854][ T73] netlink_unicast+0x449/0x710 [ 6775.588854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.588854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.588854][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.588854][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.588854][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.588854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.588854][ T73] [ 6775.590854][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.590854][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.590854][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.590854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.590854][ T73] ip6_route_add+0x1c/0x140 [ 6775.590854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6775.590854][ T73] addrconf_add_dev+0xe2/0x170 [ 6775.590854][ T73] inet6_addr_add+0x12f/0xa40 [ 6775.590854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.590854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.590854][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.590854][ T73] netlink_unicast+0x449/0x710 [ 6775.590854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.590854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.590854][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.590854][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.590854][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.590854][ T73] [ 6775.592810][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.592810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6775.592810][ T73] ipv6_find_idev+0x102/0x170 [ 6775.592810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.592810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.592810][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.592810][ T73] netlink_unicast+0x449/0x710 [ 6775.592810][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.592810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.592810][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.592810][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.592810][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.592810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.592810][ T73] [ 6775.594339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6775.594339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6775.594339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6775.594339][ T73] ipv6_find_idev+0x102/0x170 [ 6775.594339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.594339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.594339][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.594339][ T73] netlink_unicast+0x449/0x710 [ 6775.594339][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.594339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.594339][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.594339][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.594339][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.594339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.594339][ T73] [ 6775.596022][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6775.596299][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.596299][ T73] dst_init+0x84/0x4a0 [ 6775.596299][ T73] dst_alloc+0x97/0x150 [ 6775.596299][ T73] ip6_dst_alloc+0x23/0x90 [ 6775.596299][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6775.596299][ T73] ip6_pol_route+0x56f/0x840 [ 6775.596299][ T73] fib6_rule_lookup+0x456/0x630 [ 6775.596299][ T73] ip6_route_input+0x59c/0xa50 [ 6775.596299][ T73] ipv6_rcv+0x397/0x810 [ 6775.596299][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6775.596299][ T73] process_backlog+0x101/0x620 [ 6775.596299][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6775.596299][ T73] net_rx_action+0x495/0xbe0 [ 6775.596299][ T73] __do_softirq+0x1b5/0x7f6 [ 6775.596299][ T73] [ 6775.597927][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.597927][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.597927][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.597927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.597927][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6775.597927][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6775.597927][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6775.597927][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6775.597927][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6775.597927][ T73] addrconf_dad_begin+0x310/0x670 [ 6775.597927][ T73] addrconf_dad_work+0x10b/0xab0 [ 6775.597927][ T73] process_one_work+0x84d/0x18a0 [ 6775.597927][ T73] worker_thread+0x587/0xd30 [ 6775.597927][ T73] kthread+0x28a/0x350 [ 6775.597927][ T73] ret_from_fork+0x31/0x70 [ 6775.597927][ T73] ret_from_fork_asm+0x1a/0x30 [ 6775.597927][ T73] [ 6775.599827][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.599827][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.599827][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.599827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.599827][ T73] ip6_route_add+0x1c/0x140 [ 6775.599827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6775.599827][ T73] inet6_addr_add+0x4f8/0xa40 [ 6775.599827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.599827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.599827][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.599827][ T73] netlink_unicast+0x449/0x710 [ 6775.599827][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.599827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.599827][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.599827][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.599827][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.599827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.599827][ T73] [ 6775.601807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.601807][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.601807][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.601807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.601807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6775.601807][ T73] ipv6_add_addr+0x411/0x2000 [ 6775.601807][ T73] inet6_addr_add+0x30e/0xa40 [ 6775.601807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.601807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.601807][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.601807][ T73] netlink_unicast+0x449/0x710 [ 6775.601807][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.601807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.601807][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.601807][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.601807][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.601807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.601807][ T73] [ 6775.603802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.603802][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.603802][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.603802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.603802][ T73] ip6_route_add+0x1c/0x140 [ 6775.603802][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6775.603802][ T73] addrconf_add_dev+0xe2/0x170 [ 6775.603802][ T73] inet6_addr_add+0x12f/0xa40 [ 6775.603802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.603802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.603802][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.603802][ T73] netlink_unicast+0x449/0x710 [ 6775.603802][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.603802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.603802][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.603802][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.603802][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.603802][ T73] [ 6775.605752][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.605752][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6775.605752][ T73] ipv6_find_idev+0x102/0x170 [ 6775.605752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.605752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.605752][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.605752][ T73] netlink_unicast+0x449/0x710 [ 6775.605752][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.605752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.605752][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.605752][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.605752][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.605752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.605752][ T73] [ 6775.607283][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6775.607283][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6775.607283][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6775.607283][ T73] ipv6_find_idev+0x102/0x170 [ 6775.607283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.607283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.607283][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.607283][ T73] netlink_unicast+0x449/0x710 [ 6775.607283][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.607283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.607283][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.607283][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.607283][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.607283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.607283][ T73] [ 6775.609003][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6775.609325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.609325][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6775.609325][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6775.609325][ T73] fib6_nh_init+0xa22/0x1580 [ 6775.609325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.609325][ T73] ip6_route_add+0x1c/0x140 [ 6775.609325][ T73] inet6_rtm_newroute+0x104/0x110 [ 6775.609325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.609325][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.609325][ T73] netlink_unicast+0x449/0x710 [ 6775.609325][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.609325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.609325][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.609325][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.609325][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.609325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.609325][ T73] [ 6775.611433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.611433][ T73] dst_init+0x84/0x4a0 [ 6775.611433][ T73] dst_alloc+0x97/0x150 [ 6775.611433][ T73] ip6_dst_alloc+0x23/0x90 [ 6775.611433][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6775.611433][ T73] ip6_pol_route+0x56f/0x840 [ 6775.611433][ T73] fib6_rule_lookup+0x456/0x630 [ 6775.611433][ T73] ip6_route_input+0x59c/0xa50 [ 6775.611433][ T73] ipv6_rcv+0x397/0x810 [ 6775.611433][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6775.611433][ T73] process_backlog+0x101/0x620 [ 6775.611433][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6775.611433][ T73] net_rx_action+0x495/0xbe0 [ 6775.611433][ T73] __do_softirq+0x1b5/0x7f6 [ 6775.611433][ T73] [ 6775.613234][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.613234][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.613234][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.613234][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.613234][ T73] ip6_route_add+0x1c/0x140 [ 6775.613234][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6775.613234][ T73] inet6_addr_add+0x4f8/0xa40 [ 6775.613234][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.613234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.613234][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.613234][ T73] netlink_unicast+0x449/0x710 [ 6775.613234][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.613234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.613234][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.613234][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.613234][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.613234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.613234][ T73] [ 6775.615456][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.615456][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.615456][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.615456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.615456][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6775.615456][ T73] ipv6_add_addr+0x411/0x2000 [ 6775.615456][ T73] inet6_addr_add+0x30e/0xa40 [ 6775.615456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.615456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.615456][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.615456][ T73] netlink_unicast+0x449/0x710 [ 6775.615456][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.615456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.615456][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.615456][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.615456][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.615456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.615456][ T73] [ 6775.617676][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.617676][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.617676][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.617676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.617676][ T73] ip6_route_add+0x1c/0x140 [ 6775.617676][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6775.617676][ T73] addrconf_add_dev+0xe2/0x170 [ 6775.617676][ T73] inet6_addr_add+0x12f/0xa40 [ 6775.617676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.617676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.617676][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.617676][ T73] netlink_unicast+0x449/0x710 [ 6775.617676][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.617676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.617676][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.617676][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.617676][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.617676][ T73] [ 6775.619956][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.619956][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6775.619956][ T73] ipv6_find_idev+0x102/0x170 [ 6775.619956][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.619956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.619956][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.619956][ T73] netlink_unicast+0x449/0x710 [ 6775.619956][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.619956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.619956][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.619956][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.619956][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.619956][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.619956][ T73] [ 6775.621604][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6775.621604][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6775.621604][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6775.621604][ T73] ipv6_find_idev+0x102/0x170 [ 6775.621604][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.621604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.621604][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.621604][ T73] netlink_unicast+0x449/0x710 [ 6775.621604][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.621604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.621604][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.621604][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.621604][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.621604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.621604][ T73] [ 6775.623454][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6775.623722][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6775.623722][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.623722][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.623722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.623722][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6775.623722][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6775.623722][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6775.623722][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6775.623722][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6775.623722][ T73] addrconf_dad_begin+0x310/0x670 [ 6775.623722][ T73] addrconf_dad_work+0x10b/0xab0 [ 6775.623722][ T73] process_one_work+0x84d/0x18a0 [ 6775.623722][ T73] worker_thread+0x587/0xd30 [ 6775.623722][ T73] kthread+0x28a/0x350 [ 6775.623722][ T73] ret_from_fork+0x31/0x70 [ 6775.623722][ T73] ret_from_fork_asm+0x1a/0x30 [ 6775.623722][ T73] [ 6775.625866][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6775.625866][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.625866][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.625866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.625866][ T73] ip6_route_add+0x1c/0x140 [ 6775.625866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6775.625866][ T73] inet6_addr_add+0x4f8/0xa40 [ 6775.625866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.625866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.625866][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.625866][ T73] netlink_unicast+0x449/0x710 [ 6775.625866][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.625866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.625866][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.625866][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.625866][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.625866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.625866][ T73] [ 6775.628032][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6775.628032][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.628032][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.628032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.628032][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6775.628032][ T73] ipv6_add_addr+0x411/0x2000 [ 6775.628032][ T73] inet6_addr_add+0x30e/0xa40 [ 6775.628032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.628032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.628032][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.628032][ T73] netlink_unicast+0x449/0x710 [ 6775.628032][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.628032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.628032][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.628032][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.628032][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.628032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.628032][ T73] [ 6775.630338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6775.630338][ T73] netdev_get_by_index+0x5e/0x80 [ 6775.630338][ T73] fib6_nh_init+0x3d8/0x1580 [ 6775.630338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6775.630338][ T73] ip6_route_add+0x1c/0x140 [ 6775.630338][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6775.630338][ T73] addrconf_add_dev+0xe2/0x170 [ 6775.630338][ T73] inet6_addr_add+0x12f/0xa40 [ 6775.630338][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.630338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.630338][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.630338][ T73] netlink_unicast+0x449/0x710 [ 6775.630338][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.630338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.630338][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.630338][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.630338][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.630338][ T73] [ 6775.632413][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6775.632413][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6775.632413][ T73] ipv6_find_idev+0x102/0x170 [ 6775.632413][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.632413][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.632413][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.632413][ T73] netlink_unicast+0x449/0x710 [ 6775.632413][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.632413][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.632413][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.632413][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.632413][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.632413][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.632413][ T73] [ 6775.634123][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6775.634123][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6775.634123][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6775.634123][ T73] ipv6_find_idev+0x102/0x170 [ 6775.634123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.634123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.634123][ T73] netlink_rcv_skb+0x130/0x360 [ 6775.634123][ T73] netlink_unicast+0x449/0x710 [ 6775.634123][ T73] netlink_sendmsg+0x723/0xbe0 [ 6775.634123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6775.634123][ T73] ___sys_sendmsg+0xee/0x170 [ 6775.634123][ T73] __sys_sendmsg+0xcd/0x170 [ 6775.634123][ T73] do_syscall_64+0xc6/0x1e0 [ 6775.634123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.634123][ T73] [ 6785.878894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6785.879275][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.879275][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6785.879275][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6785.879275][ T73] fib6_nh_init+0xa22/0x1580 [ 6785.879275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.879275][ T73] ip6_route_add+0x1c/0x140 [ 6785.879275][ T73] inet6_rtm_newroute+0x104/0x110 [ 6785.879275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.879275][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.879275][ T73] netlink_unicast+0x449/0x710 [ 6785.879275][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.879275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.879275][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.879275][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.879275][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.879275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.879275][ T73] [ 6785.881164][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.881164][ T73] dst_init+0x84/0x4a0 [ 6785.881164][ T73] dst_alloc+0x97/0x150 [ 6785.881164][ T73] ip6_dst_alloc+0x23/0x90 [ 6785.881164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6785.881164][ T73] ip6_pol_route+0x56f/0x840 [ 6785.881164][ T73] fib6_rule_lookup+0x456/0x630 [ 6785.881164][ T73] ip6_route_input+0x59c/0xa50 [ 6785.881164][ T73] ipv6_rcv+0x397/0x810 [ 6785.881164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6785.881164][ T73] process_backlog+0x101/0x620 [ 6785.881164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6785.881164][ T73] net_rx_action+0x495/0xbe0 [ 6785.881164][ T73] __do_softirq+0x1b5/0x7f6 [ 6785.881164][ T73] [ 6785.882770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.882770][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.882770][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.882770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.882770][ T73] ip6_route_add+0x1c/0x140 [ 6785.882770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6785.882770][ T73] inet6_addr_add+0x4f8/0xa40 [ 6785.882770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.882770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.882770][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.882770][ T73] netlink_unicast+0x449/0x710 [ 6785.882770][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.882770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.882770][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.882770][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.882770][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.882770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.882770][ T73] [ 6785.884754][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.884754][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.884754][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.884754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.884754][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6785.884754][ T73] ipv6_add_addr+0x411/0x2000 [ 6785.884754][ T73] inet6_addr_add+0x30e/0xa40 [ 6785.884754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.884754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.884754][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.884754][ T73] netlink_unicast+0x449/0x710 [ 6785.884754][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.884754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.884754][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.884754][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.884754][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.884754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.884754][ T73] [ 6785.886729][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.886729][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.886729][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.886729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.886729][ T73] ip6_route_add+0x1c/0x140 [ 6785.886729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6785.886729][ T73] addrconf_add_dev+0xe2/0x170 [ 6785.886729][ T73] inet6_addr_add+0x12f/0xa40 [ 6785.886729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.886729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.886729][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.886729][ T73] netlink_unicast+0x449/0x710 [ 6785.886729][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.886729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.886729][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.886729][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.886729][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.886729][ T73] [ 6785.888691][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.888691][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6785.888691][ T73] ipv6_find_idev+0x102/0x170 [ 6785.888691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.888691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.888691][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.888691][ T73] netlink_unicast+0x449/0x710 [ 6785.888691][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.888691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.888691][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.888691][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.888691][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.888691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.888691][ T73] [ 6785.890219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6785.890219][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6785.890219][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6785.890219][ T73] ipv6_find_idev+0x102/0x170 [ 6785.890219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.890219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.890219][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.890219][ T73] netlink_unicast+0x449/0x710 [ 6785.890219][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.890219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.890219][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.890219][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.890219][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.890219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.890219][ T73] [ 6785.891892][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6785.892172][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.892172][ T73] dst_init+0x84/0x4a0 [ 6785.892172][ T73] dst_alloc+0x97/0x150 [ 6785.892172][ T73] ip6_dst_alloc+0x23/0x90 [ 6785.892172][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6785.892172][ T73] ip6_pol_route+0x56f/0x840 [ 6785.892172][ T73] fib6_rule_lookup+0x456/0x630 [ 6785.892172][ T73] ip6_route_input+0x59c/0xa50 [ 6785.892172][ T73] ipv6_rcv+0x397/0x810 [ 6785.892172][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6785.892172][ T73] process_backlog+0x101/0x620 [ 6785.892172][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6785.892172][ T73] net_rx_action+0x495/0xbe0 [ 6785.892172][ T73] __do_softirq+0x1b5/0x7f6 [ 6785.892172][ T73] [ 6785.893805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.893805][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.893805][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.893805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.893805][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6785.893805][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6785.893805][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6785.893805][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6785.893805][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6785.893805][ T73] addrconf_dad_begin+0x310/0x670 [ 6785.893805][ T73] addrconf_dad_work+0x10b/0xab0 [ 6785.893805][ T73] process_one_work+0x84d/0x18a0 [ 6785.893805][ T73] worker_thread+0x587/0xd30 [ 6785.893805][ T73] kthread+0x28a/0x350 [ 6785.893805][ T73] ret_from_fork+0x31/0x70 [ 6785.893805][ T73] ret_from_fork_asm+0x1a/0x30 [ 6785.893805][ T73] [ 6785.895697][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.895697][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.895697][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.895697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.895697][ T73] ip6_route_add+0x1c/0x140 [ 6785.895697][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6785.895697][ T73] inet6_addr_add+0x4f8/0xa40 [ 6785.895697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.895697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.895697][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.895697][ T73] netlink_unicast+0x449/0x710 [ 6785.895697][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.895697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.895697][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.895697][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.895697][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.895697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.895697][ T73] [ 6785.897696][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.897696][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.897696][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.897696][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.897696][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6785.897696][ T73] ipv6_add_addr+0x411/0x2000 [ 6785.897696][ T73] inet6_addr_add+0x30e/0xa40 [ 6785.897696][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.897696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.897696][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.897696][ T73] netlink_unicast+0x449/0x710 [ 6785.897696][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.897696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.897696][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.897696][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.897696][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.897696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.897696][ T73] [ 6785.899675][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.899675][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.899675][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.899675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.899675][ T73] ip6_route_add+0x1c/0x140 [ 6785.899675][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6785.899675][ T73] addrconf_add_dev+0xe2/0x170 [ 6785.899675][ T73] inet6_addr_add+0x12f/0xa40 [ 6785.899675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.899675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.899675][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.899675][ T73] netlink_unicast+0x449/0x710 [ 6785.899675][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.899675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.899675][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.899675][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.899675][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.899675][ T73] [ 6785.901622][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.901622][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6785.901622][ T73] ipv6_find_idev+0x102/0x170 [ 6785.901622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.901622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.901622][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.901622][ T73] netlink_unicast+0x449/0x710 [ 6785.901622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.901622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.901622][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.901622][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.901622][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.901622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.901622][ T73] [ 6785.903148][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6785.903148][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6785.903148][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6785.903148][ T73] ipv6_find_idev+0x102/0x170 [ 6785.903148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.903148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.903148][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.903148][ T73] netlink_unicast+0x449/0x710 [ 6785.903148][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.903148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.903148][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.903148][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.903148][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.903148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.903148][ T73] [ 6785.904933][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6785.905253][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.905253][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6785.905253][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6785.905253][ T73] fib6_nh_init+0xa22/0x1580 [ 6785.905253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.905253][ T73] ip6_route_add+0x1c/0x140 [ 6785.905253][ T73] inet6_rtm_newroute+0x104/0x110 [ 6785.905253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.905253][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.905253][ T73] netlink_unicast+0x449/0x710 [ 6785.905253][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.905253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.905253][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.905253][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.905253][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.905253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.905253][ T73] [ 6785.907296][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.907296][ T73] dst_init+0x84/0x4a0 [ 6785.907296][ T73] dst_alloc+0x97/0x150 [ 6785.907296][ T73] ip6_dst_alloc+0x23/0x90 [ 6785.907296][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6785.907296][ T73] ip6_pol_route+0x56f/0x840 [ 6785.907296][ T73] fib6_rule_lookup+0x456/0x630 [ 6785.907296][ T73] ip6_route_input+0x59c/0xa50 [ 6785.907296][ T73] ipv6_rcv+0x397/0x810 [ 6785.907296][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6785.907296][ T73] process_backlog+0x101/0x620 [ 6785.907296][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6785.907296][ T73] net_rx_action+0x495/0xbe0 [ 6785.907296][ T73] __do_softirq+0x1b5/0x7f6 [ 6785.907296][ T73] [ 6785.909097][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.909097][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.909097][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.909097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.909097][ T73] ip6_route_add+0x1c/0x140 [ 6785.909097][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6785.909097][ T73] inet6_addr_add+0x4f8/0xa40 [ 6785.909097][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.909097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.909097][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.909097][ T73] netlink_unicast+0x449/0x710 [ 6785.909097][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.909097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.909097][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.909097][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.909097][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.909097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.909097][ T73] [ 6785.911391][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.911391][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.911391][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.911391][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.911391][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6785.911391][ T73] ipv6_add_addr+0x411/0x2000 [ 6785.911391][ T73] inet6_addr_add+0x30e/0xa40 [ 6785.911391][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.911391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.911391][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.911391][ T73] netlink_unicast+0x449/0x710 [ 6785.911391][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.911391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.911391][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.911391][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.911391][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.911391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.911391][ T73] [ 6785.913554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.913554][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.913554][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.913554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.913554][ T73] ip6_route_add+0x1c/0x140 [ 6785.913554][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6785.913554][ T73] addrconf_add_dev+0xe2/0x170 [ 6785.913554][ T73] inet6_addr_add+0x12f/0xa40 [ 6785.913554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.913554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.913554][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.913554][ T73] netlink_unicast+0x449/0x710 [ 6785.913554][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.913554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.913554][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.913554][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.913554][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.913554][ T73] [ 6785.915746][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.915746][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6785.915746][ T73] ipv6_find_idev+0x102/0x170 [ 6785.915746][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.915746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.915746][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.915746][ T73] netlink_unicast+0x449/0x710 [ 6785.915746][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.915746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.915746][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.915746][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.915746][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.915746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.915746][ T73] [ 6785.917452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6785.917452][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6785.917452][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6785.917452][ T73] ipv6_find_idev+0x102/0x170 [ 6785.917452][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.917452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.917452][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.917452][ T73] netlink_unicast+0x449/0x710 [ 6785.917452][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.917452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.917452][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.917452][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.917452][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.917452][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.917452][ T73] [ 6785.919304][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6785.919580][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6785.919580][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.919580][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.919580][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.919580][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6785.919580][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6785.919580][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6785.919580][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6785.919580][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6785.919580][ T73] addrconf_dad_begin+0x310/0x670 [ 6785.919580][ T73] addrconf_dad_work+0x10b/0xab0 [ 6785.919580][ T73] process_one_work+0x84d/0x18a0 [ 6785.919580][ T73] worker_thread+0x587/0xd30 [ 6785.919580][ T73] kthread+0x28a/0x350 [ 6785.919580][ T73] ret_from_fork+0x31/0x70 [ 6785.919580][ T73] ret_from_fork_asm+0x1a/0x30 [ 6785.919580][ T73] [ 6785.921775][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6785.921775][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.921775][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.921775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.921775][ T73] ip6_route_add+0x1c/0x140 [ 6785.921775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6785.921775][ T73] inet6_addr_add+0x4f8/0xa40 [ 6785.921775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.921775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.921775][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.921775][ T73] netlink_unicast+0x449/0x710 [ 6785.921775][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.921775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.921775][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.921775][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.921775][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.921775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.921775][ T73] [ 6785.924007][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6785.924007][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.924007][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.924007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.924007][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6785.924007][ T73] ipv6_add_addr+0x411/0x2000 [ 6785.924007][ T73] inet6_addr_add+0x30e/0xa40 [ 6785.924007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.924007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.924007][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.924007][ T73] netlink_unicast+0x449/0x710 [ 6785.924007][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.924007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.924007][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.924007][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.924007][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.924007][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.924007][ T73] [ 6785.926221][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6785.926221][ T73] netdev_get_by_index+0x5e/0x80 [ 6785.926221][ T73] fib6_nh_init+0x3d8/0x1580 [ 6785.926221][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6785.926221][ T73] ip6_route_add+0x1c/0x140 [ 6785.926221][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6785.926221][ T73] addrconf_add_dev+0xe2/0x170 [ 6785.926221][ T73] inet6_addr_add+0x12f/0xa40 [ 6785.926221][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.926221][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.926221][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.926221][ T73] netlink_unicast+0x449/0x710 [ 6785.926221][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.926221][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.926221][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.926221][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.926221][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.926221][ T73] [ 6785.928349][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6785.928349][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6785.928349][ T73] ipv6_find_idev+0x102/0x170 [ 6785.928349][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.928349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.928349][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.928349][ T73] netlink_unicast+0x449/0x710 [ 6785.928349][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.928349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.928349][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.928349][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.928349][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.928349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.928349][ T73] [ 6785.930143][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6785.930143][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6785.930143][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6785.930143][ T73] ipv6_find_idev+0x102/0x170 [ 6785.930143][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.930143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.930143][ T73] netlink_rcv_skb+0x130/0x360 [ 6785.930143][ T73] netlink_unicast+0x449/0x710 [ 6785.930143][ T73] netlink_sendmsg+0x723/0xbe0 [ 6785.930143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6785.930143][ T73] ___sys_sendmsg+0xee/0x170 [ 6785.930143][ T73] __sys_sendmsg+0xcd/0x170 [ 6785.930143][ T73] do_syscall_64+0xc6/0x1e0 [ 6785.930143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.930143][ T73] [ 6796.118892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6796.119349][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.119349][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6796.119349][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6796.119349][ T73] fib6_nh_init+0xa22/0x1580 [ 6796.119349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.119349][ T73] ip6_route_add+0x1c/0x140 [ 6796.119349][ T73] inet6_rtm_newroute+0x104/0x110 [ 6796.119349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.119349][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.119349][ T73] netlink_unicast+0x449/0x710 [ 6796.119349][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.119349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.119349][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.119349][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.119349][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.119349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.119349][ T73] [ 6796.121240][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.121240][ T73] dst_init+0x84/0x4a0 [ 6796.121240][ T73] dst_alloc+0x97/0x150 [ 6796.121240][ T73] ip6_dst_alloc+0x23/0x90 [ 6796.121240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6796.121240][ T73] ip6_pol_route+0x56f/0x840 [ 6796.121240][ T73] fib6_rule_lookup+0x456/0x630 [ 6796.121240][ T73] ip6_route_input+0x59c/0xa50 [ 6796.121240][ T73] ipv6_rcv+0x397/0x810 [ 6796.121240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6796.121240][ T73] process_backlog+0x101/0x620 [ 6796.121240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6796.121240][ T73] net_rx_action+0x495/0xbe0 [ 6796.121240][ T73] __do_softirq+0x1b5/0x7f6 [ 6796.121240][ T73] [ 6796.122905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.122905][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.122905][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.122905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.122905][ T73] ip6_route_add+0x1c/0x140 [ 6796.122905][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6796.122905][ T73] inet6_addr_add+0x4f8/0xa40 [ 6796.122905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.122905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.122905][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.122905][ T73] netlink_unicast+0x449/0x710 [ 6796.122905][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.122905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.122905][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.122905][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.122905][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.122905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.122905][ T73] [ 6796.124860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.124860][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.124860][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.124860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.124860][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6796.124860][ T73] ipv6_add_addr+0x411/0x2000 [ 6796.124860][ T73] inet6_addr_add+0x30e/0xa40 [ 6796.124860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.124860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.124860][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.124860][ T73] netlink_unicast+0x449/0x710 [ 6796.124860][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.124860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.124860][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.124860][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.124860][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.124860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.124860][ T73] [ 6796.126840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.126840][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.126840][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.126840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.126840][ T73] ip6_route_add+0x1c/0x140 [ 6796.126840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6796.126840][ T73] addrconf_add_dev+0xe2/0x170 [ 6796.126840][ T73] inet6_addr_add+0x12f/0xa40 [ 6796.126840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.126840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.126840][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.126840][ T73] netlink_unicast+0x449/0x710 [ 6796.126840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.126840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.126840][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.126840][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.126840][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.126840][ T73] [ 6796.128759][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.128759][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6796.128759][ T73] ipv6_find_idev+0x102/0x170 [ 6796.128759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.128759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.128759][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.128759][ T73] netlink_unicast+0x449/0x710 [ 6796.128759][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.128759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.128759][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.128759][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.128759][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.128759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.128759][ T73] [ 6796.130291][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6796.130291][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6796.130291][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6796.130291][ T73] ipv6_find_idev+0x102/0x170 [ 6796.130291][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.130291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.130291][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.130291][ T73] netlink_unicast+0x449/0x710 [ 6796.130291][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.130291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.130291][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.130291][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.130291][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.130291][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.130291][ T73] [ 6796.131966][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6796.132252][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.132252][ T73] dst_init+0x84/0x4a0 [ 6796.132252][ T73] dst_alloc+0x97/0x150 [ 6796.132252][ T73] ip6_dst_alloc+0x23/0x90 [ 6796.132252][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6796.132252][ T73] ip6_pol_route+0x56f/0x840 [ 6796.132252][ T73] fib6_rule_lookup+0x456/0x630 [ 6796.132252][ T73] ip6_route_input+0x59c/0xa50 [ 6796.132252][ T73] ipv6_rcv+0x397/0x810 [ 6796.132252][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6796.132252][ T73] process_backlog+0x101/0x620 [ 6796.132252][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6796.132252][ T73] net_rx_action+0x495/0xbe0 [ 6796.132252][ T73] __do_softirq+0x1b5/0x7f6 [ 6796.132252][ T73] [ 6796.133896][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.133896][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.133896][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.133896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.133896][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6796.133896][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6796.133896][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6796.133896][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6796.133896][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6796.133896][ T73] addrconf_dad_begin+0x310/0x670 [ 6796.133896][ T73] addrconf_dad_work+0x10b/0xab0 [ 6796.133896][ T73] process_one_work+0x84d/0x18a0 [ 6796.133896][ T73] worker_thread+0x587/0xd30 [ 6796.133896][ T73] kthread+0x28a/0x350 [ 6796.133896][ T73] ret_from_fork+0x31/0x70 [ 6796.133896][ T73] ret_from_fork_asm+0x1a/0x30 [ 6796.133896][ T73] [ 6796.135810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.135810][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.135810][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.135810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.135810][ T73] ip6_route_add+0x1c/0x140 [ 6796.135810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6796.135810][ T73] inet6_addr_add+0x4f8/0xa40 [ 6796.135810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.135810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.135810][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.135810][ T73] netlink_unicast+0x449/0x710 [ 6796.135810][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.135810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.135810][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.135810][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.135810][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.135810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.135810][ T73] [ 6796.137797][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.137797][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.137797][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.137797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.137797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6796.137797][ T73] ipv6_add_addr+0x411/0x2000 [ 6796.137797][ T73] inet6_addr_add+0x30e/0xa40 [ 6796.137797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.137797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.137797][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.137797][ T73] netlink_unicast+0x449/0x710 [ 6796.137797][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.137797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.137797][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.137797][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.137797][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.137797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.137797][ T73] [ 6796.139789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.139789][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.139789][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.139789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.139789][ T73] ip6_route_add+0x1c/0x140 [ 6796.139789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6796.139789][ T73] addrconf_add_dev+0xe2/0x170 [ 6796.139789][ T73] inet6_addr_add+0x12f/0xa40 [ 6796.139789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.139789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.139789][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.139789][ T73] netlink_unicast+0x449/0x710 [ 6796.139789][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.139789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.139789][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.139789][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.139789][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.139789][ T73] [ 6796.141739][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.141739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6796.141739][ T73] ipv6_find_idev+0x102/0x170 [ 6796.141739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.141739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.141739][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.141739][ T73] netlink_unicast+0x449/0x710 [ 6796.141739][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.141739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.141739][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.141739][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.141739][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.141739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.141739][ T73] [ 6796.143265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6796.143265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6796.143265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6796.143265][ T73] ipv6_find_idev+0x102/0x170 [ 6796.143265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.143265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.143265][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.143265][ T73] netlink_unicast+0x449/0x710 [ 6796.143265][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.143265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.143265][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.143265][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.143265][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.143265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.143265][ T73] [ 6796.144989][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6796.145380][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.145380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6796.145380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6796.145380][ T73] fib6_nh_init+0xa22/0x1580 [ 6796.145380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.145380][ T73] ip6_route_add+0x1c/0x140 [ 6796.145380][ T73] inet6_rtm_newroute+0x104/0x110 [ 6796.145380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.145380][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.145380][ T73] netlink_unicast+0x449/0x710 [ 6796.145380][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.145380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.145380][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.145380][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.145380][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.145380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.145380][ T73] [ 6796.147420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.147420][ T73] dst_init+0x84/0x4a0 [ 6796.147420][ T73] dst_alloc+0x97/0x150 [ 6796.147420][ T73] ip6_dst_alloc+0x23/0x90 [ 6796.147420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6796.147420][ T73] ip6_pol_route+0x56f/0x840 [ 6796.147420][ T73] fib6_rule_lookup+0x456/0x630 [ 6796.147420][ T73] ip6_route_input+0x59c/0xa50 [ 6796.147420][ T73] ipv6_rcv+0x397/0x810 [ 6796.147420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6796.147420][ T73] process_backlog+0x101/0x620 [ 6796.147420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6796.147420][ T73] net_rx_action+0x495/0xbe0 [ 6796.147420][ T73] __do_softirq+0x1b5/0x7f6 [ 6796.147420][ T73] [ 6796.149220][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.149220][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.149220][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.149220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.149220][ T73] ip6_route_add+0x1c/0x140 [ 6796.149220][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6796.149220][ T73] inet6_addr_add+0x4f8/0xa40 [ 6796.149220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.149220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.149220][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.149220][ T73] netlink_unicast+0x449/0x710 [ 6796.149220][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.149220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.149220][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.149220][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.149220][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.149220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.149220][ T73] [ 6796.151448][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.151448][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.151448][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.151448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.151448][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6796.151448][ T73] ipv6_add_addr+0x411/0x2000 [ 6796.151448][ T73] inet6_addr_add+0x30e/0xa40 [ 6796.151448][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.151448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.151448][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.151448][ T73] netlink_unicast+0x449/0x710 [ 6796.151448][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.151448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.151448][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.151448][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.151448][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.151448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.151448][ T73] [ 6796.153670][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.153670][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.153670][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.153670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.153670][ T73] ip6_route_add+0x1c/0x140 [ 6796.153670][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6796.153670][ T73] addrconf_add_dev+0xe2/0x170 [ 6796.153670][ T73] inet6_addr_add+0x12f/0xa40 [ 6796.153670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.153670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.153670][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.153670][ T73] netlink_unicast+0x449/0x710 [ 6796.153670][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.153670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.153670][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.153670][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.153670][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.153670][ T73] [ 6796.155915][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.155915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6796.155915][ T73] ipv6_find_idev+0x102/0x170 [ 6796.155915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.155915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.155915][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.155915][ T73] netlink_unicast+0x449/0x710 [ 6796.155915][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.155915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.155915][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.155915][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.155915][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.155915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.155915][ T73] [ 6796.157558][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6796.157558][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6796.157558][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6796.157558][ T73] ipv6_find_idev+0x102/0x170 [ 6796.157558][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.157558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.157558][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.157558][ T73] netlink_unicast+0x449/0x710 [ 6796.157558][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.157558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.157558][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.157558][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.157558][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.157558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.157558][ T73] [ 6796.159404][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6796.159682][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6796.159682][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.159682][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.159682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.159682][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6796.159682][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6796.159682][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6796.159682][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6796.159682][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6796.159682][ T73] addrconf_dad_begin+0x310/0x670 [ 6796.159682][ T73] addrconf_dad_work+0x10b/0xab0 [ 6796.159682][ T73] process_one_work+0x84d/0x18a0 [ 6796.159682][ T73] worker_thread+0x587/0xd30 [ 6796.159682][ T73] kthread+0x28a/0x350 [ 6796.159682][ T73] ret_from_fork+0x31/0x70 [ 6796.159682][ T73] ret_from_fork_asm+0x1a/0x30 [ 6796.159682][ T73] [ 6796.161812][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6796.161812][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.161812][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.161812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.161812][ T73] ip6_route_add+0x1c/0x140 [ 6796.161812][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6796.161812][ T73] inet6_addr_add+0x4f8/0xa40 [ 6796.161812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.161812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.161812][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.161812][ T73] netlink_unicast+0x449/0x710 [ 6796.161812][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.161812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.161812][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.161812][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.161812][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.161812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.161812][ T73] [ 6796.164097][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6796.164097][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.164097][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.164097][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.164097][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6796.164097][ T73] ipv6_add_addr+0x411/0x2000 [ 6796.164097][ T73] inet6_addr_add+0x30e/0xa40 [ 6796.164097][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.164097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.164097][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.164097][ T73] netlink_unicast+0x449/0x710 [ 6796.164097][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.164097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.164097][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.164097][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.164097][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.164097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.164097][ T73] [ 6796.166327][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6796.166327][ T73] netdev_get_by_index+0x5e/0x80 [ 6796.166327][ T73] fib6_nh_init+0x3d8/0x1580 [ 6796.166327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6796.166327][ T73] ip6_route_add+0x1c/0x140 [ 6796.166327][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6796.166327][ T73] addrconf_add_dev+0xe2/0x170 [ 6796.166327][ T73] inet6_addr_add+0x12f/0xa40 [ 6796.166327][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6796.166327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.166327][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.166327][ T73] netlink_unicast+0x449/0x710 [ 6796.166327][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.166327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.166327][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.166327][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.166327][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.166327][ T73] [ 6796.168401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6796.168401][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6796.168401][ T73] ipv6_find_idev+0x102/0x170 [ 6796.168401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.168401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.168401][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.168401][ T73] netlink_unicast+0x449/0x710 [ 6796.168401][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.168401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.168401][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.168401][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.168401][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.168401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.168401][ T73] [ 6796.170123][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6796.170123][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6796.170123][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6796.170123][ T73] ipv6_find_idev+0x102/0x170 [ 6796.170123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6796.170123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6796.170123][ T73] netlink_rcv_skb+0x130/0x360 [ 6796.170123][ T73] netlink_unicast+0x449/0x710 [ 6796.170123][ T73] netlink_sendmsg+0x723/0xbe0 [ 6796.170123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6796.170123][ T73] ___sys_sendmsg+0xee/0x170 [ 6796.170123][ T73] __sys_sendmsg+0xcd/0x170 [ 6796.170123][ T73] do_syscall_64+0xc6/0x1e0 [ 6796.170123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6796.170123][ T73] [ 6806.422894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6806.423335][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.423335][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6806.423335][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6806.423335][ T73] fib6_nh_init+0xa22/0x1580 [ 6806.423335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.423335][ T73] ip6_route_add+0x1c/0x140 [ 6806.423335][ T73] inet6_rtm_newroute+0x104/0x110 [ 6806.423335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.423335][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.423335][ T73] netlink_unicast+0x449/0x710 [ 6806.423335][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.423335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.423335][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.423335][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.423335][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.423335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.423335][ T73] [ 6806.425224][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.425224][ T73] dst_init+0x84/0x4a0 [ 6806.425224][ T73] dst_alloc+0x97/0x150 [ 6806.425224][ T73] ip6_dst_alloc+0x23/0x90 [ 6806.425224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6806.425224][ T73] ip6_pol_route+0x56f/0x840 [ 6806.425224][ T73] fib6_rule_lookup+0x456/0x630 [ 6806.425224][ T73] ip6_route_input+0x59c/0xa50 [ 6806.425224][ T73] ipv6_rcv+0x397/0x810 [ 6806.425224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6806.425224][ T73] process_backlog+0x101/0x620 [ 6806.425224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6806.425224][ T73] net_rx_action+0x495/0xbe0 [ 6806.425224][ T73] __do_softirq+0x1b5/0x7f6 [ 6806.425224][ T73] [ 6806.426865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.426865][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.426865][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.426865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.426865][ T73] ip6_route_add+0x1c/0x140 [ 6806.426865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6806.426865][ T73] inet6_addr_add+0x4f8/0xa40 [ 6806.426865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.426865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.426865][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.426865][ T73] netlink_unicast+0x449/0x710 [ 6806.426865][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.426865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.426865][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.426865][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.426865][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.426865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.426865][ T73] [ 6806.428861][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.428861][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.428861][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.428861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.428861][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6806.428861][ T73] ipv6_add_addr+0x411/0x2000 [ 6806.428861][ T73] inet6_addr_add+0x30e/0xa40 [ 6806.428861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.428861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.428861][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.428861][ T73] netlink_unicast+0x449/0x710 [ 6806.428861][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.428861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.428861][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.428861][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.428861][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.428861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.428861][ T73] [ 6806.430859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.430859][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.430859][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.430859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.430859][ T73] ip6_route_add+0x1c/0x140 [ 6806.430859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6806.430859][ T73] addrconf_add_dev+0xe2/0x170 [ 6806.430859][ T73] inet6_addr_add+0x12f/0xa40 [ 6806.430859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.430859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.430859][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.430859][ T73] netlink_unicast+0x449/0x710 [ 6806.430859][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.430859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.430859][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.430859][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.430859][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.430859][ T73] [ 6806.432817][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.432817][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6806.432817][ T73] ipv6_find_idev+0x102/0x170 [ 6806.432817][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.432817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.432817][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.432817][ T73] netlink_unicast+0x449/0x710 [ 6806.432817][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.432817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.432817][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.432817][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.432817][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.432817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.432817][ T73] [ 6806.434345][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6806.434345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6806.434345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6806.434345][ T73] ipv6_find_idev+0x102/0x170 [ 6806.434345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.434345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.434345][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.434345][ T73] netlink_unicast+0x449/0x710 [ 6806.434345][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.434345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.434345][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.434345][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.434345][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.434345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.434345][ T73] [ 6806.436025][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6806.436384][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.436384][ T73] dst_init+0x84/0x4a0 [ 6806.436384][ T73] dst_alloc+0x97/0x150 [ 6806.436384][ T73] ip6_dst_alloc+0x23/0x90 [ 6806.436384][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6806.436384][ T73] ip6_pol_route+0x56f/0x840 [ 6806.436384][ T73] fib6_rule_lookup+0x456/0x630 [ 6806.436384][ T73] ip6_route_input+0x59c/0xa50 [ 6806.436384][ T73] ipv6_rcv+0x397/0x810 [ 6806.436384][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6806.436384][ T73] process_backlog+0x101/0x620 [ 6806.436384][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6806.436384][ T73] net_rx_action+0x495/0xbe0 [ 6806.436384][ T73] __do_softirq+0x1b5/0x7f6 [ 6806.436384][ T73] [ 6806.438019][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.438019][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.438019][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.438019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.438019][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6806.438019][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6806.438019][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6806.438019][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6806.438019][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6806.438019][ T73] addrconf_dad_begin+0x310/0x670 [ 6806.438019][ T73] addrconf_dad_work+0x10b/0xab0 [ 6806.438019][ T73] process_one_work+0x84d/0x18a0 [ 6806.438019][ T73] worker_thread+0x587/0xd30 [ 6806.438019][ T73] kthread+0x28a/0x350 [ 6806.438019][ T73] ret_from_fork+0x31/0x70 [ 6806.438019][ T73] ret_from_fork_asm+0x1a/0x30 [ 6806.438019][ T73] [ 6806.439939][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.439939][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.439939][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.439939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.439939][ T73] ip6_route_add+0x1c/0x140 [ 6806.439939][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6806.439939][ T73] inet6_addr_add+0x4f8/0xa40 [ 6806.439939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.439939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.439939][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.439939][ T73] netlink_unicast+0x449/0x710 [ 6806.439939][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.439939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.439939][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.439939][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.439939][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.439939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.439939][ T73] [ 6806.441924][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.441924][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.441924][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.441924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.441924][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6806.441924][ T73] ipv6_add_addr+0x411/0x2000 [ 6806.441924][ T73] inet6_addr_add+0x30e/0xa40 [ 6806.441924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.441924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.441924][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.441924][ T73] netlink_unicast+0x449/0x710 [ 6806.441924][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.441924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.441924][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.441924][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.441924][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.441924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.441924][ T73] [ 6806.443916][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.443916][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.443916][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.443916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.443916][ T73] ip6_route_add+0x1c/0x140 [ 6806.443916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6806.443916][ T73] addrconf_add_dev+0xe2/0x170 [ 6806.443916][ T73] inet6_addr_add+0x12f/0xa40 [ 6806.443916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.443916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.443916][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.443916][ T73] netlink_unicast+0x449/0x710 [ 6806.443916][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.443916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.443916][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.443916][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.443916][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.443916][ T73] [ 6806.445864][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.445864][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6806.445864][ T73] ipv6_find_idev+0x102/0x170 [ 6806.445864][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.445864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.445864][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.445864][ T73] netlink_unicast+0x449/0x710 [ 6806.445864][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.445864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.445864][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.445864][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.445864][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.445864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.445864][ T73] [ 6806.447404][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6806.447404][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6806.447404][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6806.447404][ T73] ipv6_find_idev+0x102/0x170 [ 6806.447404][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.447404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.447404][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.447404][ T73] netlink_unicast+0x449/0x710 [ 6806.447404][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.447404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.447404][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.447404][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.447404][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.447404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.447404][ T73] [ 6806.449128][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6806.449453][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.449453][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6806.449453][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6806.449453][ T73] fib6_nh_init+0xa22/0x1580 [ 6806.449453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.449453][ T73] ip6_route_add+0x1c/0x140 [ 6806.449453][ T73] inet6_rtm_newroute+0x104/0x110 [ 6806.449453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.449453][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.449453][ T73] netlink_unicast+0x449/0x710 [ 6806.449453][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.449453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.449453][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.449453][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.449453][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.449453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.449453][ T73] [ 6806.451507][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.451507][ T73] dst_init+0x84/0x4a0 [ 6806.451507][ T73] dst_alloc+0x97/0x150 [ 6806.451507][ T73] ip6_dst_alloc+0x23/0x90 [ 6806.451507][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6806.451507][ T73] ip6_pol_route+0x56f/0x840 [ 6806.451507][ T73] fib6_rule_lookup+0x456/0x630 [ 6806.451507][ T73] ip6_route_input+0x59c/0xa50 [ 6806.451507][ T73] ipv6_rcv+0x397/0x810 [ 6806.451507][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6806.451507][ T73] process_backlog+0x101/0x620 [ 6806.451507][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6806.451507][ T73] net_rx_action+0x495/0xbe0 [ 6806.451507][ T73] __do_softirq+0x1b5/0x7f6 [ 6806.451507][ T73] [ 6806.453314][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.453314][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.453314][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.453314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.453314][ T73] ip6_route_add+0x1c/0x140 [ 6806.453314][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6806.453314][ T73] inet6_addr_add+0x4f8/0xa40 [ 6806.453314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.453314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.453314][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.453314][ T73] netlink_unicast+0x449/0x710 [ 6806.453314][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.453314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.453314][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.453314][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.453314][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.453314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.453314][ T73] [ 6806.455603][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.455603][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.455603][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.455603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.455603][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6806.455603][ T73] ipv6_add_addr+0x411/0x2000 [ 6806.455603][ T73] inet6_addr_add+0x30e/0xa40 [ 6806.455603][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.455603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.455603][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.455603][ T73] netlink_unicast+0x449/0x710 [ 6806.455603][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.455603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.455603][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.455603][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.455603][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.455603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.455603][ T73] [ 6806.457775][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.457775][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.457775][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.457775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.457775][ T73] ip6_route_add+0x1c/0x140 [ 6806.457775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6806.457775][ T73] addrconf_add_dev+0xe2/0x170 [ 6806.457775][ T73] inet6_addr_add+0x12f/0xa40 [ 6806.457775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.457775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.457775][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.457775][ T73] netlink_unicast+0x449/0x710 [ 6806.457775][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.457775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.457775][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.457775][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.457775][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.457775][ T73] [ 6806.459989][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.459989][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6806.459989][ T73] ipv6_find_idev+0x102/0x170 [ 6806.459989][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.459989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.459989][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.459989][ T73] netlink_unicast+0x449/0x710 [ 6806.459989][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.459989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.459989][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.459989][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.459989][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.459989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.459989][ T73] [ 6806.461641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6806.461641][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6806.461641][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6806.461641][ T73] ipv6_find_idev+0x102/0x170 [ 6806.461641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.461641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.461641][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.461641][ T73] netlink_unicast+0x449/0x710 [ 6806.461641][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.461641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.461641][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.461641][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.461641][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.461641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.461641][ T73] [ 6806.463552][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6806.463825][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6806.463825][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.463825][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.463825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.463825][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6806.463825][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6806.463825][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6806.463825][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6806.463825][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6806.463825][ T73] addrconf_dad_begin+0x310/0x670 [ 6806.463825][ T73] addrconf_dad_work+0x10b/0xab0 [ 6806.463825][ T73] process_one_work+0x84d/0x18a0 [ 6806.463825][ T73] worker_thread+0x587/0xd30 [ 6806.463825][ T73] kthread+0x28a/0x350 [ 6806.463825][ T73] ret_from_fork+0x31/0x70 [ 6806.463825][ T73] ret_from_fork_asm+0x1a/0x30 [ 6806.463825][ T73] [ 6806.465966][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6806.465966][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.465966][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.465966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.465966][ T73] ip6_route_add+0x1c/0x140 [ 6806.465966][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6806.465966][ T73] inet6_addr_add+0x4f8/0xa40 [ 6806.465966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.465966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.465966][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.465966][ T73] netlink_unicast+0x449/0x710 [ 6806.465966][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.465966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.465966][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.465966][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.465966][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.465966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.465966][ T73] [ 6806.468143][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6806.468143][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.468143][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.468143][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.468143][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6806.468143][ T73] ipv6_add_addr+0x411/0x2000 [ 6806.468143][ T73] inet6_addr_add+0x30e/0xa40 [ 6806.468143][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.468143][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.468143][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.468143][ T73] netlink_unicast+0x449/0x710 [ 6806.468143][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.468143][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.468143][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.468143][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.468143][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.468143][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.468143][ T73] [ 6806.470371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6806.470371][ T73] netdev_get_by_index+0x5e/0x80 [ 6806.470371][ T73] fib6_nh_init+0x3d8/0x1580 [ 6806.470371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6806.470371][ T73] ip6_route_add+0x1c/0x140 [ 6806.470371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6806.470371][ T73] addrconf_add_dev+0xe2/0x170 [ 6806.470371][ T73] inet6_addr_add+0x12f/0xa40 [ 6806.470371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6806.470371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.470371][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.470371][ T73] netlink_unicast+0x449/0x710 [ 6806.470371][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.470371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.470371][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.470371][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.470371][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.470371][ T73] [ 6806.472441][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6806.472441][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6806.472441][ T73] ipv6_find_idev+0x102/0x170 [ 6806.472441][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.472441][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.472441][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.472441][ T73] netlink_unicast+0x449/0x710 [ 6806.472441][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.472441][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.472441][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.472441][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.472441][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.472441][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.472441][ T73] [ 6806.474216][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6806.474216][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6806.474216][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6806.474216][ T73] ipv6_find_idev+0x102/0x170 [ 6806.474216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6806.474216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6806.474216][ T73] netlink_rcv_skb+0x130/0x360 [ 6806.474216][ T73] netlink_unicast+0x449/0x710 [ 6806.474216][ T73] netlink_sendmsg+0x723/0xbe0 [ 6806.474216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6806.474216][ T73] ___sys_sendmsg+0xee/0x170 [ 6806.474216][ T73] __sys_sendmsg+0xcd/0x170 [ 6806.474216][ T73] do_syscall_64+0xc6/0x1e0 [ 6806.474216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6806.474216][ T73] [ 6816.726894][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6816.727330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.727330][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6816.727330][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6816.727330][ T73] fib6_nh_init+0xa22/0x1580 [ 6816.727330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.727330][ T73] ip6_route_add+0x1c/0x140 [ 6816.727330][ T73] inet6_rtm_newroute+0x104/0x110 [ 6816.727330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.727330][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.727330][ T73] netlink_unicast+0x449/0x710 [ 6816.727330][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.727330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.727330][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.727330][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.727330][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.727330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.727330][ T73] [ 6816.729230][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.729230][ T73] dst_init+0x84/0x4a0 [ 6816.729230][ T73] dst_alloc+0x97/0x150 [ 6816.729230][ T73] ip6_dst_alloc+0x23/0x90 [ 6816.729230][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6816.729230][ T73] ip6_pol_route+0x56f/0x840 [ 6816.729230][ T73] fib6_rule_lookup+0x456/0x630 [ 6816.729230][ T73] ip6_route_input+0x59c/0xa50 [ 6816.729230][ T73] ipv6_rcv+0x397/0x810 [ 6816.729230][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6816.729230][ T73] process_backlog+0x101/0x620 [ 6816.729230][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6816.729230][ T73] net_rx_action+0x495/0xbe0 [ 6816.729230][ T73] __do_softirq+0x1b5/0x7f6 [ 6816.729230][ T73] [ 6816.730874][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.730874][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.730874][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.730874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.730874][ T73] ip6_route_add+0x1c/0x140 [ 6816.730874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6816.730874][ T73] inet6_addr_add+0x4f8/0xa40 [ 6816.730874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.730874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.730874][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.730874][ T73] netlink_unicast+0x449/0x710 [ 6816.730874][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.730874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.730874][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.730874][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.730874][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.730874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.730874][ T73] [ 6816.732875][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.732875][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.732875][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.732875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.732875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6816.732875][ T73] ipv6_add_addr+0x411/0x2000 [ 6816.732875][ T73] inet6_addr_add+0x30e/0xa40 [ 6816.732875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.732875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.732875][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.732875][ T73] netlink_unicast+0x449/0x710 [ 6816.732875][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.732875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.732875][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.732875][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.732875][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.732875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.732875][ T73] [ 6816.734825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.734825][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.734825][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.734825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.734825][ T73] ip6_route_add+0x1c/0x140 [ 6816.734825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6816.734825][ T73] addrconf_add_dev+0xe2/0x170 [ 6816.734825][ T73] inet6_addr_add+0x12f/0xa40 [ 6816.734825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.734825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.734825][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.734825][ T73] netlink_unicast+0x449/0x710 [ 6816.734825][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.734825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.734825][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.734825][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.734825][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.734825][ T73] [ 6816.736752][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.736752][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6816.736752][ T73] ipv6_find_idev+0x102/0x170 [ 6816.736752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.736752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.736752][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.736752][ T73] netlink_unicast+0x449/0x710 [ 6816.736752][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.736752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.736752][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.736752][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.736752][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.736752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.736752][ T73] [ 6816.738236][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6816.738236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6816.738236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6816.738236][ T73] ipv6_find_idev+0x102/0x170 [ 6816.738236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.738236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.738236][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.738236][ T73] netlink_unicast+0x449/0x710 [ 6816.738236][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.738236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.738236][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.738236][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.738236][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.738236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.738236][ T73] [ 6816.739927][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6816.740199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.740199][ T73] dst_init+0x84/0x4a0 [ 6816.740199][ T73] dst_alloc+0x97/0x150 [ 6816.740199][ T73] ip6_dst_alloc+0x23/0x90 [ 6816.740199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6816.740199][ T73] ip6_pol_route+0x56f/0x840 [ 6816.740199][ T73] fib6_rule_lookup+0x456/0x630 [ 6816.740199][ T73] ip6_route_input+0x59c/0xa50 [ 6816.740199][ T73] ipv6_rcv+0x397/0x810 [ 6816.740199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6816.740199][ T73] process_backlog+0x101/0x620 [ 6816.740199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6816.740199][ T73] net_rx_action+0x495/0xbe0 [ 6816.740199][ T73] __do_softirq+0x1b5/0x7f6 [ 6816.740199][ T73] [ 6816.741839][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.741839][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.741839][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.741839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.741839][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6816.741839][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6816.741839][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6816.741839][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6816.741839][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6816.741839][ T73] addrconf_dad_begin+0x310/0x670 [ 6816.741839][ T73] addrconf_dad_work+0x10b/0xab0 [ 6816.741839][ T73] process_one_work+0x84d/0x18a0 [ 6816.741839][ T73] worker_thread+0x587/0xd30 [ 6816.741839][ T73] kthread+0x28a/0x350 [ 6816.741839][ T73] ret_from_fork+0x31/0x70 [ 6816.741839][ T73] ret_from_fork_asm+0x1a/0x30 [ 6816.741839][ T73] [ 6816.743742][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.743742][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.743742][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.743742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.743742][ T73] ip6_route_add+0x1c/0x140 [ 6816.743742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6816.743742][ T73] inet6_addr_add+0x4f8/0xa40 [ 6816.743742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.743742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.743742][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.743742][ T73] netlink_unicast+0x449/0x710 [ 6816.743742][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.743742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.743742][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.743742][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.743742][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.743742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.743742][ T73] [ 6816.745722][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.745722][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.745722][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.745722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.745722][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6816.745722][ T73] ipv6_add_addr+0x411/0x2000 [ 6816.745722][ T73] inet6_addr_add+0x30e/0xa40 [ 6816.745722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.745722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.745722][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.745722][ T73] netlink_unicast+0x449/0x710 [ 6816.745722][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.745722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.745722][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.745722][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.745722][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.745722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.745722][ T73] [ 6816.747709][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.747709][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.747709][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.747709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.747709][ T73] ip6_route_add+0x1c/0x140 [ 6816.747709][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6816.747709][ T73] addrconf_add_dev+0xe2/0x170 [ 6816.747709][ T73] inet6_addr_add+0x12f/0xa40 [ 6816.747709][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.747709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.747709][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.747709][ T73] netlink_unicast+0x449/0x710 [ 6816.747709][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.747709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.747709][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.747709][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.747709][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.747709][ T73] [ 6816.749671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.749671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6816.749671][ T73] ipv6_find_idev+0x102/0x170 [ 6816.749671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.749671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.749671][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.749671][ T73] netlink_unicast+0x449/0x710 [ 6816.749671][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.749671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.749671][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.749671][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.749671][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.749671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.749671][ T73] [ 6816.751201][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6816.751201][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6816.751201][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6816.751201][ T73] ipv6_find_idev+0x102/0x170 [ 6816.751201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.751201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.751201][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.751201][ T73] netlink_unicast+0x449/0x710 [ 6816.751201][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.751201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.751201][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.751201][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.751201][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.751201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.751201][ T73] [ 6816.752986][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6816.753309][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.753309][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6816.753309][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6816.753309][ T73] fib6_nh_init+0xa22/0x1580 [ 6816.753309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.753309][ T73] ip6_route_add+0x1c/0x140 [ 6816.753309][ T73] inet6_rtm_newroute+0x104/0x110 [ 6816.753309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.753309][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.753309][ T73] netlink_unicast+0x449/0x710 [ 6816.753309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.753309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.753309][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.753309][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.753309][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.753309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.753309][ T73] [ 6816.755416][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.755416][ T73] dst_init+0x84/0x4a0 [ 6816.755416][ T73] dst_alloc+0x97/0x150 [ 6816.755416][ T73] ip6_dst_alloc+0x23/0x90 [ 6816.755416][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6816.755416][ T73] ip6_pol_route+0x56f/0x840 [ 6816.755416][ T73] fib6_rule_lookup+0x456/0x630 [ 6816.755416][ T73] ip6_route_input+0x59c/0xa50 [ 6816.755416][ T73] ipv6_rcv+0x397/0x810 [ 6816.755416][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6816.755416][ T73] process_backlog+0x101/0x620 [ 6816.755416][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6816.755416][ T73] net_rx_action+0x495/0xbe0 [ 6816.755416][ T73] __do_softirq+0x1b5/0x7f6 [ 6816.755416][ T73] [ 6816.757220][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.757220][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.757220][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.757220][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.757220][ T73] ip6_route_add+0x1c/0x140 [ 6816.757220][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6816.757220][ T73] inet6_addr_add+0x4f8/0xa40 [ 6816.757220][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.757220][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.757220][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.757220][ T73] netlink_unicast+0x449/0x710 [ 6816.757220][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.757220][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.757220][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.757220][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.757220][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.757220][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.757220][ T73] [ 6816.759451][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.759451][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.759451][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.759451][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.759451][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6816.759451][ T73] ipv6_add_addr+0x411/0x2000 [ 6816.759451][ T73] inet6_addr_add+0x30e/0xa40 [ 6816.759451][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.759451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.759451][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.759451][ T73] netlink_unicast+0x449/0x710 [ 6816.759451][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.759451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.759451][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.759451][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.759451][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.759451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.759451][ T73] [ 6816.761622][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.761622][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.761622][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.761622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.761622][ T73] ip6_route_add+0x1c/0x140 [ 6816.761622][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6816.761622][ T73] addrconf_add_dev+0xe2/0x170 [ 6816.761622][ T73] inet6_addr_add+0x12f/0xa40 [ 6816.761622][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.761622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.761622][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.761622][ T73] netlink_unicast+0x449/0x710 [ 6816.761622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.761622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.761622][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.761622][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.761622][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.761622][ T73] [ 6816.763882][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.763882][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6816.763882][ T73] ipv6_find_idev+0x102/0x170 [ 6816.763882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.763882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.763882][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.763882][ T73] netlink_unicast+0x449/0x710 [ 6816.763882][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.763882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.763882][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.763882][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.763882][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.763882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.763882][ T73] [ 6816.765610][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6816.765610][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6816.765610][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6816.765610][ T73] ipv6_find_idev+0x102/0x170 [ 6816.765610][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.765610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.765610][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.765610][ T73] netlink_unicast+0x449/0x710 [ 6816.765610][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.765610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.765610][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.765610][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.765610][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.765610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.765610][ T73] [ 6816.767457][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6816.767721][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6816.767721][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.767721][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.767721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.767721][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6816.767721][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6816.767721][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6816.767721][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6816.767721][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6816.767721][ T73] addrconf_dad_begin+0x310/0x670 [ 6816.767721][ T73] addrconf_dad_work+0x10b/0xab0 [ 6816.767721][ T73] process_one_work+0x84d/0x18a0 [ 6816.767721][ T73] worker_thread+0x587/0xd30 [ 6816.767721][ T73] kthread+0x28a/0x350 [ 6816.767721][ T73] ret_from_fork+0x31/0x70 [ 6816.767721][ T73] ret_from_fork_asm+0x1a/0x30 [ 6816.767721][ T73] [ 6816.769866][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6816.769866][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.769866][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.769866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.769866][ T73] ip6_route_add+0x1c/0x140 [ 6816.769866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6816.769866][ T73] inet6_addr_add+0x4f8/0xa40 [ 6816.769866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.769866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.769866][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.769866][ T73] netlink_unicast+0x449/0x710 [ 6816.769866][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.769866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.769866][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.769866][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.769866][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.769866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.769866][ T73] [ 6816.772557][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6816.772557][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.772557][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.772557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.772557][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6816.772557][ T73] ipv6_add_addr+0x411/0x2000 [ 6816.772557][ T73] inet6_addr_add+0x30e/0xa40 [ 6816.772557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.772557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.772557][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.772557][ T73] netlink_unicast+0x449/0x710 [ 6816.772557][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.772557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.772557][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.772557][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.772557][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.772557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.772557][ T73] [ 6816.774841][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6816.774841][ T73] netdev_get_by_index+0x5e/0x80 [ 6816.774841][ T73] fib6_nh_init+0x3d8/0x1580 [ 6816.774841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6816.774841][ T73] ip6_route_add+0x1c/0x140 [ 6816.774841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6816.774841][ T73] addrconf_add_dev+0xe2/0x170 [ 6816.774841][ T73] inet6_addr_add+0x12f/0xa40 [ 6816.774841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6816.774841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.774841][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.774841][ T73] netlink_unicast+0x449/0x710 [ 6816.774841][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.774841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.774841][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.774841][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.774841][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.774841][ T73] [ 6816.776965][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6816.776965][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6816.776965][ T73] ipv6_find_idev+0x102/0x170 [ 6816.776965][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.776965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.776965][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.776965][ T73] netlink_unicast+0x449/0x710 [ 6816.776965][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.776965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.776965][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.776965][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.776965][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.776965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.776965][ T73] [ 6816.778672][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6816.778672][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6816.778672][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6816.778672][ T73] ipv6_find_idev+0x102/0x170 [ 6816.778672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6816.778672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6816.778672][ T73] netlink_rcv_skb+0x130/0x360 [ 6816.778672][ T73] netlink_unicast+0x449/0x710 [ 6816.778672][ T73] netlink_sendmsg+0x723/0xbe0 [ 6816.778672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6816.778672][ T73] ___sys_sendmsg+0xee/0x170 [ 6816.778672][ T73] __sys_sendmsg+0xcd/0x170 [ 6816.778672][ T73] do_syscall_64+0xc6/0x1e0 [ 6816.778672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6816.778672][ T73] [ 6827.030885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6827.031334][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.031334][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6827.031334][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6827.031334][ T73] fib6_nh_init+0xa22/0x1580 [ 6827.031334][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.031334][ T73] ip6_route_add+0x1c/0x140 [ 6827.031334][ T73] inet6_rtm_newroute+0x104/0x110 [ 6827.031334][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.031334][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.031334][ T73] netlink_unicast+0x449/0x710 [ 6827.031334][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.031334][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.031334][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.031334][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.031334][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.031334][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.031334][ T73] [ 6827.033219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.033219][ T73] dst_init+0x84/0x4a0 [ 6827.033219][ T73] dst_alloc+0x97/0x150 [ 6827.033219][ T73] ip6_dst_alloc+0x23/0x90 [ 6827.033219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6827.033219][ T73] ip6_pol_route+0x56f/0x840 [ 6827.033219][ T73] fib6_rule_lookup+0x456/0x630 [ 6827.033219][ T73] ip6_route_input+0x59c/0xa50 [ 6827.033219][ T73] ipv6_rcv+0x397/0x810 [ 6827.033219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6827.033219][ T73] process_backlog+0x101/0x620 [ 6827.033219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6827.033219][ T73] net_rx_action+0x495/0xbe0 [ 6827.033219][ T73] __do_softirq+0x1b5/0x7f6 [ 6827.033219][ T73] [ 6827.034849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.034849][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.034849][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.034849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.034849][ T73] ip6_route_add+0x1c/0x140 [ 6827.034849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6827.034849][ T73] inet6_addr_add+0x4f8/0xa40 [ 6827.034849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.034849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.034849][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.034849][ T73] netlink_unicast+0x449/0x710 [ 6827.034849][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.034849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.034849][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.034849][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.034849][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.034849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.034849][ T73] [ 6827.036837][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.036837][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.036837][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.036837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.036837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6827.036837][ T73] ipv6_add_addr+0x411/0x2000 [ 6827.036837][ T73] inet6_addr_add+0x30e/0xa40 [ 6827.036837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.036837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.036837][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.036837][ T73] netlink_unicast+0x449/0x710 [ 6827.036837][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.036837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.036837][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.036837][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.036837][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.036837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.036837][ T73] [ 6827.038826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.038826][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.038826][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.038826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.038826][ T73] ip6_route_add+0x1c/0x140 [ 6827.038826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6827.038826][ T73] addrconf_add_dev+0xe2/0x170 [ 6827.038826][ T73] inet6_addr_add+0x12f/0xa40 [ 6827.038826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.038826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.038826][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.038826][ T73] netlink_unicast+0x449/0x710 [ 6827.038826][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.038826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.038826][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.038826][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.038826][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.038826][ T73] [ 6827.040788][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.040788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6827.040788][ T73] ipv6_find_idev+0x102/0x170 [ 6827.040788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.040788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.040788][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.040788][ T73] netlink_unicast+0x449/0x710 [ 6827.040788][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.040788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.040788][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.040788][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.040788][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.040788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.040788][ T73] [ 6827.042318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6827.042318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6827.042318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6827.042318][ T73] ipv6_find_idev+0x102/0x170 [ 6827.042318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.042318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.042318][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.042318][ T73] netlink_unicast+0x449/0x710 [ 6827.042318][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.042318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.042318][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.042318][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.042318][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.042318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.042318][ T73] [ 6827.043985][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6827.044255][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.044255][ T73] dst_init+0x84/0x4a0 [ 6827.044255][ T73] dst_alloc+0x97/0x150 [ 6827.044255][ T73] ip6_dst_alloc+0x23/0x90 [ 6827.044255][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6827.044255][ T73] ip6_pol_route+0x56f/0x840 [ 6827.044255][ T73] fib6_rule_lookup+0x456/0x630 [ 6827.044255][ T73] ip6_route_input+0x59c/0xa50 [ 6827.044255][ T73] ipv6_rcv+0x397/0x810 [ 6827.044255][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6827.044255][ T73] process_backlog+0x101/0x620 [ 6827.044255][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6827.044255][ T73] net_rx_action+0x495/0xbe0 [ 6827.044255][ T73] __do_softirq+0x1b5/0x7f6 [ 6827.044255][ T73] [ 6827.045881][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.045881][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.045881][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.045881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.045881][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6827.045881][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6827.045881][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6827.045881][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6827.045881][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6827.045881][ T73] addrconf_dad_begin+0x310/0x670 [ 6827.045881][ T73] addrconf_dad_work+0x10b/0xab0 [ 6827.045881][ T73] process_one_work+0x84d/0x18a0 [ 6827.045881][ T73] worker_thread+0x587/0xd30 [ 6827.045881][ T73] kthread+0x28a/0x350 [ 6827.045881][ T73] ret_from_fork+0x31/0x70 [ 6827.045881][ T73] ret_from_fork_asm+0x1a/0x30 [ 6827.045881][ T73] [ 6827.047820][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.047820][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.047820][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.047820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.047820][ T73] ip6_route_add+0x1c/0x140 [ 6827.047820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6827.047820][ T73] inet6_addr_add+0x4f8/0xa40 [ 6827.047820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.047820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.047820][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.047820][ T73] netlink_unicast+0x449/0x710 [ 6827.047820][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.047820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.047820][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.047820][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.047820][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.047820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.047820][ T73] [ 6827.049811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.049811][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.049811][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.049811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.049811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6827.049811][ T73] ipv6_add_addr+0x411/0x2000 [ 6827.049811][ T73] inet6_addr_add+0x30e/0xa40 [ 6827.049811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.049811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.049811][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.049811][ T73] netlink_unicast+0x449/0x710 [ 6827.049811][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.049811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.049811][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.049811][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.049811][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.049811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.049811][ T73] [ 6827.051804][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.051804][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.051804][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.051804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.051804][ T73] ip6_route_add+0x1c/0x140 [ 6827.051804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6827.051804][ T73] addrconf_add_dev+0xe2/0x170 [ 6827.051804][ T73] inet6_addr_add+0x12f/0xa40 [ 6827.051804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.051804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.051804][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.051804][ T73] netlink_unicast+0x449/0x710 [ 6827.051804][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.051804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.051804][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.051804][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.051804][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.051804][ T73] [ 6827.053768][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.053768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6827.053768][ T73] ipv6_find_idev+0x102/0x170 [ 6827.053768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.053768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.053768][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.053768][ T73] netlink_unicast+0x449/0x710 [ 6827.053768][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.053768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.053768][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.053768][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.053768][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.053768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.053768][ T73] [ 6827.055302][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6827.055302][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6827.055302][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6827.055302][ T73] ipv6_find_idev+0x102/0x170 [ 6827.055302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.055302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.055302][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.055302][ T73] netlink_unicast+0x449/0x710 [ 6827.055302][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.055302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.055302][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.055302][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.055302][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.055302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.055302][ T73] [ 6827.057037][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6827.057365][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.057365][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6827.057365][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6827.057365][ T73] fib6_nh_init+0xa22/0x1580 [ 6827.057365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.057365][ T73] ip6_route_add+0x1c/0x140 [ 6827.057365][ T73] inet6_rtm_newroute+0x104/0x110 [ 6827.057365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.057365][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.057365][ T73] netlink_unicast+0x449/0x710 [ 6827.057365][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.057365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.057365][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.057365][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.057365][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.057365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.057365][ T73] [ 6827.059432][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.059432][ T73] dst_init+0x84/0x4a0 [ 6827.059432][ T73] dst_alloc+0x97/0x150 [ 6827.059432][ T73] ip6_dst_alloc+0x23/0x90 [ 6827.059432][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6827.059432][ T73] ip6_pol_route+0x56f/0x840 [ 6827.059432][ T73] fib6_rule_lookup+0x456/0x630 [ 6827.059432][ T73] ip6_route_input+0x59c/0xa50 [ 6827.059432][ T73] ipv6_rcv+0x397/0x810 [ 6827.059432][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6827.059432][ T73] process_backlog+0x101/0x620 [ 6827.059432][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6827.059432][ T73] net_rx_action+0x495/0xbe0 [ 6827.059432][ T73] __do_softirq+0x1b5/0x7f6 [ 6827.059432][ T73] [ 6827.061243][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.061243][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.061243][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.061243][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.061243][ T73] ip6_route_add+0x1c/0x140 [ 6827.061243][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6827.061243][ T73] inet6_addr_add+0x4f8/0xa40 [ 6827.061243][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.061243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.061243][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.061243][ T73] netlink_unicast+0x449/0x710 [ 6827.061243][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.061243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.061243][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.061243][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.061243][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.061243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.061243][ T73] [ 6827.063540][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.063540][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.063540][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.063540][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.063540][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6827.063540][ T73] ipv6_add_addr+0x411/0x2000 [ 6827.063540][ T73] inet6_addr_add+0x30e/0xa40 [ 6827.063540][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.063540][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.063540][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.063540][ T73] netlink_unicast+0x449/0x710 [ 6827.063540][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.063540][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.063540][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.063540][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.063540][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.063540][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.063540][ T73] [ 6827.065768][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.065768][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.065768][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.065768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.065768][ T73] ip6_route_add+0x1c/0x140 [ 6827.065768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6827.065768][ T73] addrconf_add_dev+0xe2/0x170 [ 6827.065768][ T73] inet6_addr_add+0x12f/0xa40 [ 6827.065768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.065768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.065768][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.065768][ T73] netlink_unicast+0x449/0x710 [ 6827.065768][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.065768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.065768][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.065768][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.065768][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.065768][ T73] [ 6827.067974][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.067974][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6827.067974][ T73] ipv6_find_idev+0x102/0x170 [ 6827.067974][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.067974][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.067974][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.067974][ T73] netlink_unicast+0x449/0x710 [ 6827.067974][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.067974][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.067974][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.067974][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.067974][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.067974][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.067974][ T73] [ 6827.069637][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6827.069637][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6827.069637][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6827.069637][ T73] ipv6_find_idev+0x102/0x170 [ 6827.069637][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.069637][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.069637][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.069637][ T73] netlink_unicast+0x449/0x710 [ 6827.069637][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.069637][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.069637][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.069637][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.069637][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.069637][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.069637][ T73] [ 6827.071488][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6827.071762][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6827.071762][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.071762][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.071762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.071762][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6827.071762][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6827.071762][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6827.071762][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6827.071762][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6827.071762][ T73] addrconf_dad_begin+0x310/0x670 [ 6827.071762][ T73] addrconf_dad_work+0x10b/0xab0 [ 6827.071762][ T73] process_one_work+0x84d/0x18a0 [ 6827.071762][ T73] worker_thread+0x587/0xd30 [ 6827.071762][ T73] kthread+0x28a/0x350 [ 6827.071762][ T73] ret_from_fork+0x31/0x70 [ 6827.071762][ T73] ret_from_fork_asm+0x1a/0x30 [ 6827.071762][ T73] [ 6827.073968][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6827.073968][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.073968][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.073968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.073968][ T73] ip6_route_add+0x1c/0x140 [ 6827.073968][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6827.073968][ T73] inet6_addr_add+0x4f8/0xa40 [ 6827.073968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.073968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.073968][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.073968][ T73] netlink_unicast+0x449/0x710 [ 6827.073968][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.073968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.073968][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.073968][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.073968][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.073968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.073968][ T73] [ 6827.076141][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6827.076141][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.076141][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.076141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.076141][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6827.076141][ T73] ipv6_add_addr+0x411/0x2000 [ 6827.076141][ T73] inet6_addr_add+0x30e/0xa40 [ 6827.076141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.076141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.076141][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.076141][ T73] netlink_unicast+0x449/0x710 [ 6827.076141][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.076141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.076141][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.076141][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.076141][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.076141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.076141][ T73] [ 6827.078365][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6827.078365][ T73] netdev_get_by_index+0x5e/0x80 [ 6827.078365][ T73] fib6_nh_init+0x3d8/0x1580 [ 6827.078365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6827.078365][ T73] ip6_route_add+0x1c/0x140 [ 6827.078365][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6827.078365][ T73] addrconf_add_dev+0xe2/0x170 [ 6827.078365][ T73] inet6_addr_add+0x12f/0xa40 [ 6827.078365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6827.078365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.078365][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.078365][ T73] netlink_unicast+0x449/0x710 [ 6827.078365][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.078365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.078365][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.078365][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.078365][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.078365][ T73] [ 6827.080493][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6827.080493][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6827.080493][ T73] ipv6_find_idev+0x102/0x170 [ 6827.080493][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.080493][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.080493][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.080493][ T73] netlink_unicast+0x449/0x710 [ 6827.080493][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.080493][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.080493][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.080493][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.080493][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.080493][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.080493][ T73] [ 6827.082266][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6827.082266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6827.082266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6827.082266][ T73] ipv6_find_idev+0x102/0x170 [ 6827.082266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6827.082266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6827.082266][ T73] netlink_rcv_skb+0x130/0x360 [ 6827.082266][ T73] netlink_unicast+0x449/0x710 [ 6827.082266][ T73] netlink_sendmsg+0x723/0xbe0 [ 6827.082266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6827.082266][ T73] ___sys_sendmsg+0xee/0x170 [ 6827.082266][ T73] __sys_sendmsg+0xcd/0x170 [ 6827.082266][ T73] do_syscall_64+0xc6/0x1e0 [ 6827.082266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6827.082266][ T73] [ 6837.334910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6837.335362][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.335362][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6837.335362][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6837.335362][ T73] fib6_nh_init+0xa22/0x1580 [ 6837.335362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.335362][ T73] ip6_route_add+0x1c/0x140 [ 6837.335362][ T73] inet6_rtm_newroute+0x104/0x110 [ 6837.335362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.335362][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.335362][ T73] netlink_unicast+0x449/0x710 [ 6837.335362][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.335362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.335362][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.335362][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.335362][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.335362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.335362][ T73] [ 6837.337272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.337272][ T73] dst_init+0x84/0x4a0 [ 6837.337272][ T73] dst_alloc+0x97/0x150 [ 6837.337272][ T73] ip6_dst_alloc+0x23/0x90 [ 6837.337272][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6837.337272][ T73] ip6_pol_route+0x56f/0x840 [ 6837.337272][ T73] fib6_rule_lookup+0x456/0x630 [ 6837.337272][ T73] ip6_route_input+0x59c/0xa50 [ 6837.337272][ T73] ipv6_rcv+0x397/0x810 [ 6837.337272][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6837.337272][ T73] process_backlog+0x101/0x620 [ 6837.337272][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6837.337272][ T73] net_rx_action+0x495/0xbe0 [ 6837.337272][ T73] __do_softirq+0x1b5/0x7f6 [ 6837.337272][ T73] [ 6837.338927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.338927][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.338927][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.338927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.338927][ T73] ip6_route_add+0x1c/0x140 [ 6837.338927][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6837.338927][ T73] inet6_addr_add+0x4f8/0xa40 [ 6837.338927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.338927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.338927][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.338927][ T73] netlink_unicast+0x449/0x710 [ 6837.338927][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.338927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.338927][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.338927][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.338927][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.338927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.338927][ T73] [ 6837.341024][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.341024][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.341024][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.341024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.341024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6837.341024][ T73] ipv6_add_addr+0x411/0x2000 [ 6837.341024][ T73] inet6_addr_add+0x30e/0xa40 [ 6837.341024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.341024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.341024][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.341024][ T73] netlink_unicast+0x449/0x710 [ 6837.341024][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.341024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.341024][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.341024][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.341024][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.341024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.341024][ T73] [ 6837.343033][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.343033][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.343033][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.343033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.343033][ T73] ip6_route_add+0x1c/0x140 [ 6837.343033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6837.343033][ T73] addrconf_add_dev+0xe2/0x170 [ 6837.343033][ T73] inet6_addr_add+0x12f/0xa40 [ 6837.343033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.343033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.343033][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.343033][ T73] netlink_unicast+0x449/0x710 [ 6837.343033][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.343033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.343033][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.343033][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.343033][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.343033][ T73] [ 6837.344987][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.344987][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6837.344987][ T73] ipv6_find_idev+0x102/0x170 [ 6837.344987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.344987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.344987][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.344987][ T73] netlink_unicast+0x449/0x710 [ 6837.344987][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.344987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.344987][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.344987][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.344987][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.344987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.344987][ T73] [ 6837.346514][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6837.346514][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6837.346514][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6837.346514][ T73] ipv6_find_idev+0x102/0x170 [ 6837.346514][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.346514][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.346514][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.346514][ T73] netlink_unicast+0x449/0x710 [ 6837.346514][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.346514][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.346514][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.346514][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.346514][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.346514][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.346514][ T73] [ 6837.348186][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6837.348454][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.348454][ T73] dst_init+0x84/0x4a0 [ 6837.348454][ T73] dst_alloc+0x97/0x150 [ 6837.348454][ T73] ip6_dst_alloc+0x23/0x90 [ 6837.348454][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6837.348454][ T73] ip6_pol_route+0x56f/0x840 [ 6837.348454][ T73] fib6_rule_lookup+0x456/0x630 [ 6837.348454][ T73] ip6_route_input+0x59c/0xa50 [ 6837.348454][ T73] ipv6_rcv+0x397/0x810 [ 6837.348454][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6837.348454][ T73] process_backlog+0x101/0x620 [ 6837.348454][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6837.348454][ T73] net_rx_action+0x495/0xbe0 [ 6837.348454][ T73] __do_softirq+0x1b5/0x7f6 [ 6837.348454][ T73] [ 6837.350098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.350098][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.350098][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.350098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.350098][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6837.350098][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6837.350098][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6837.350098][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6837.350098][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6837.350098][ T73] addrconf_dad_begin+0x310/0x670 [ 6837.350098][ T73] addrconf_dad_work+0x10b/0xab0 [ 6837.350098][ T73] process_one_work+0x84d/0x18a0 [ 6837.350098][ T73] worker_thread+0x587/0xd30 [ 6837.350098][ T73] kthread+0x28a/0x350 [ 6837.350098][ T73] ret_from_fork+0x31/0x70 [ 6837.350098][ T73] ret_from_fork_asm+0x1a/0x30 [ 6837.350098][ T73] [ 6837.352002][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.352002][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.352002][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.352002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.352002][ T73] ip6_route_add+0x1c/0x140 [ 6837.352002][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6837.352002][ T73] inet6_addr_add+0x4f8/0xa40 [ 6837.352002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.352002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.352002][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.352002][ T73] netlink_unicast+0x449/0x710 [ 6837.352002][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.352002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.352002][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.352002][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.352002][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.352002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.352002][ T73] [ 6837.353984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.353984][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.353984][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.353984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.353984][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6837.353984][ T73] ipv6_add_addr+0x411/0x2000 [ 6837.353984][ T73] inet6_addr_add+0x30e/0xa40 [ 6837.353984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.353984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.353984][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.353984][ T73] netlink_unicast+0x449/0x710 [ 6837.353984][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.353984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.353984][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.353984][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.353984][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.353984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.353984][ T73] [ 6837.355965][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.355965][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.355965][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.355965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.355965][ T73] ip6_route_add+0x1c/0x140 [ 6837.355965][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6837.355965][ T73] addrconf_add_dev+0xe2/0x170 [ 6837.355965][ T73] inet6_addr_add+0x12f/0xa40 [ 6837.355965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.355965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.355965][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.355965][ T73] netlink_unicast+0x449/0x710 [ 6837.355965][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.355965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.355965][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.355965][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.355965][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.355965][ T73] [ 6837.357915][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.357915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6837.357915][ T73] ipv6_find_idev+0x102/0x170 [ 6837.357915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.357915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.357915][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.357915][ T73] netlink_unicast+0x449/0x710 [ 6837.357915][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.357915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.357915][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.357915][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.357915][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.357915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.357915][ T73] [ 6837.359446][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6837.359446][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6837.359446][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6837.359446][ T73] ipv6_find_idev+0x102/0x170 [ 6837.359446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.359446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.359446][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.359446][ T73] netlink_unicast+0x449/0x710 [ 6837.359446][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.359446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.359446][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.359446][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.359446][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.359446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.359446][ T73] [ 6837.361231][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6837.361555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.361555][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6837.361555][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6837.361555][ T73] fib6_nh_init+0xa22/0x1580 [ 6837.361555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.361555][ T73] ip6_route_add+0x1c/0x140 [ 6837.361555][ T73] inet6_rtm_newroute+0x104/0x110 [ 6837.361555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.361555][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.361555][ T73] netlink_unicast+0x449/0x710 [ 6837.361555][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.361555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.361555][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.361555][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.361555][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.361555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.361555][ T73] [ 6837.363660][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.363660][ T73] dst_init+0x84/0x4a0 [ 6837.363660][ T73] dst_alloc+0x97/0x150 [ 6837.363660][ T73] ip6_dst_alloc+0x23/0x90 [ 6837.363660][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6837.363660][ T73] ip6_pol_route+0x56f/0x840 [ 6837.363660][ T73] fib6_rule_lookup+0x456/0x630 [ 6837.363660][ T73] ip6_route_input+0x59c/0xa50 [ 6837.363660][ T73] ipv6_rcv+0x397/0x810 [ 6837.363660][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6837.363660][ T73] process_backlog+0x101/0x620 [ 6837.363660][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6837.363660][ T73] net_rx_action+0x495/0xbe0 [ 6837.363660][ T73] __do_softirq+0x1b5/0x7f6 [ 6837.363660][ T73] [ 6837.365466][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.365466][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.365466][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.365466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.365466][ T73] ip6_route_add+0x1c/0x140 [ 6837.365466][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6837.365466][ T73] inet6_addr_add+0x4f8/0xa40 [ 6837.365466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.365466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.365466][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.365466][ T73] netlink_unicast+0x449/0x710 [ 6837.365466][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.365466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.365466][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.365466][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.365466][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.365466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.365466][ T73] [ 6837.367704][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.367704][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.367704][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.367704][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.367704][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6837.367704][ T73] ipv6_add_addr+0x411/0x2000 [ 6837.367704][ T73] inet6_addr_add+0x30e/0xa40 [ 6837.367704][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.367704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.367704][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.367704][ T73] netlink_unicast+0x449/0x710 [ 6837.367704][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.367704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.367704][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.367704][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.367704][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.367704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.367704][ T73] [ 6837.369896][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.369896][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.369896][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.369896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.369896][ T73] ip6_route_add+0x1c/0x140 [ 6837.369896][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6837.369896][ T73] addrconf_add_dev+0xe2/0x170 [ 6837.369896][ T73] inet6_addr_add+0x12f/0xa40 [ 6837.369896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.369896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.369896][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.369896][ T73] netlink_unicast+0x449/0x710 [ 6837.369896][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.369896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.369896][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.369896][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.369896][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.369896][ T73] [ 6837.372140][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.372140][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6837.372140][ T73] ipv6_find_idev+0x102/0x170 [ 6837.372140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.372140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.372140][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.372140][ T73] netlink_unicast+0x449/0x710 [ 6837.372140][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.372140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.372140][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.372140][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.372140][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.372140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.372140][ T73] [ 6837.373856][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6837.373856][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6837.373856][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6837.373856][ T73] ipv6_find_idev+0x102/0x170 [ 6837.373856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.373856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.373856][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.373856][ T73] netlink_unicast+0x449/0x710 [ 6837.373856][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.373856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.373856][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.373856][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.373856][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.373856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.373856][ T73] [ 6837.375703][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6837.376406][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6837.376406][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.376406][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.376406][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.376406][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6837.376406][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6837.376406][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6837.376406][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6837.376406][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6837.376406][ T73] addrconf_dad_begin+0x310/0x670 [ 6837.376406][ T73] addrconf_dad_work+0x10b/0xab0 [ 6837.376406][ T73] process_one_work+0x84d/0x18a0 [ 6837.376406][ T73] worker_thread+0x587/0xd30 [ 6837.376406][ T73] kthread+0x28a/0x350 [ 6837.376406][ T73] ret_from_fork+0x31/0x70 [ 6837.376406][ T73] ret_from_fork_asm+0x1a/0x30 [ 6837.376406][ T73] [ 6837.378302][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6837.378302][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.378302][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.378302][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.378302][ T73] ip6_route_add+0x1c/0x140 [ 6837.378302][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6837.378302][ T73] inet6_addr_add+0x4f8/0xa40 [ 6837.378302][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.378302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.378302][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.378302][ T73] netlink_unicast+0x449/0x710 [ 6837.378302][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.378302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.378302][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.378302][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.378302][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.378302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.378302][ T73] [ 6837.380438][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6837.380438][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.380438][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.380438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.380438][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6837.380438][ T73] ipv6_add_addr+0x411/0x2000 [ 6837.380438][ T73] inet6_addr_add+0x30e/0xa40 [ 6837.380438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.380438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.380438][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.380438][ T73] netlink_unicast+0x449/0x710 [ 6837.380438][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.380438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.380438][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.380438][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.380438][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.380438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.380438][ T73] [ 6837.382676][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6837.382676][ T73] netdev_get_by_index+0x5e/0x80 [ 6837.382676][ T73] fib6_nh_init+0x3d8/0x1580 [ 6837.382676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6837.382676][ T73] ip6_route_add+0x1c/0x140 [ 6837.382676][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6837.382676][ T73] addrconf_add_dev+0xe2/0x170 [ 6837.382676][ T73] inet6_addr_add+0x12f/0xa40 [ 6837.382676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6837.382676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.382676][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.382676][ T73] netlink_unicast+0x449/0x710 [ 6837.382676][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.382676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.382676][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.382676][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.382676][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.382676][ T73] [ 6837.384930][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6837.384930][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6837.384930][ T73] ipv6_find_idev+0x102/0x170 [ 6837.384930][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.384930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.384930][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.384930][ T73] netlink_unicast+0x449/0x710 [ 6837.384930][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.384930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.384930][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.384930][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.384930][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.384930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.384930][ T73] [ 6837.386577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6837.386577][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6837.386577][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6837.386577][ T73] ipv6_find_idev+0x102/0x170 [ 6837.386577][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6837.386577][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6837.386577][ T73] netlink_rcv_skb+0x130/0x360 [ 6837.386577][ T73] netlink_unicast+0x449/0x710 [ 6837.386577][ T73] netlink_sendmsg+0x723/0xbe0 [ 6837.386577][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6837.386577][ T73] ___sys_sendmsg+0xee/0x170 [ 6837.386577][ T73] __sys_sendmsg+0xcd/0x170 [ 6837.386577][ T73] do_syscall_64+0xc6/0x1e0 [ 6837.386577][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6837.386577][ T73] [ 6847.606889][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6847.607353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.607353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6847.607353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6847.607353][ T73] fib6_nh_init+0xa22/0x1580 [ 6847.607353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.607353][ T73] ip6_route_add+0x1c/0x140 [ 6847.607353][ T73] inet6_rtm_newroute+0x104/0x110 [ 6847.607353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.607353][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.607353][ T73] netlink_unicast+0x449/0x710 [ 6847.607353][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.607353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.607353][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.607353][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.607353][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.607353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.607353][ T73] [ 6847.609295][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.609295][ T73] dst_init+0x84/0x4a0 [ 6847.609295][ T73] dst_alloc+0x97/0x150 [ 6847.609295][ T73] ip6_dst_alloc+0x23/0x90 [ 6847.609295][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6847.609295][ T73] ip6_pol_route+0x56f/0x840 [ 6847.609295][ T73] fib6_rule_lookup+0x456/0x630 [ 6847.609295][ T73] ip6_route_input+0x59c/0xa50 [ 6847.609295][ T73] ipv6_rcv+0x397/0x810 [ 6847.609295][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6847.609295][ T73] process_backlog+0x101/0x620 [ 6847.609295][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6847.609295][ T73] net_rx_action+0x495/0xbe0 [ 6847.609295][ T73] __do_softirq+0x1b5/0x7f6 [ 6847.609295][ T73] [ 6847.610945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.610945][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.610945][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.610945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.610945][ T73] ip6_route_add+0x1c/0x140 [ 6847.610945][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6847.610945][ T73] inet6_addr_add+0x4f8/0xa40 [ 6847.610945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.610945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.610945][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.610945][ T73] netlink_unicast+0x449/0x710 [ 6847.610945][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.610945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.610945][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.610945][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.610945][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.610945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.610945][ T73] [ 6847.612927][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.612927][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.612927][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.612927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.612927][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6847.612927][ T73] ipv6_add_addr+0x411/0x2000 [ 6847.612927][ T73] inet6_addr_add+0x30e/0xa40 [ 6847.612927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.612927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.612927][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.612927][ T73] netlink_unicast+0x449/0x710 [ 6847.612927][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.612927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.612927][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.612927][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.612927][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.612927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.612927][ T73] [ 6847.614948][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.614948][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.614948][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.614948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.614948][ T73] ip6_route_add+0x1c/0x140 [ 6847.614948][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6847.614948][ T73] addrconf_add_dev+0xe2/0x170 [ 6847.614948][ T73] inet6_addr_add+0x12f/0xa40 [ 6847.614948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.614948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.614948][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.614948][ T73] netlink_unicast+0x449/0x710 [ 6847.614948][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.614948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.614948][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.614948][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.614948][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.614948][ T73] [ 6847.616907][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.616907][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6847.616907][ T73] ipv6_find_idev+0x102/0x170 [ 6847.616907][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.616907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.616907][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.616907][ T73] netlink_unicast+0x449/0x710 [ 6847.616907][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.616907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.616907][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.616907][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.616907][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.616907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.616907][ T73] [ 6847.618420][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6847.618420][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6847.618420][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6847.618420][ T73] ipv6_find_idev+0x102/0x170 [ 6847.618420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.618420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.618420][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.618420][ T73] netlink_unicast+0x449/0x710 [ 6847.618420][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.618420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.618420][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.618420][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.618420][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.618420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.618420][ T73] [ 6847.620104][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6847.620383][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.620383][ T73] dst_init+0x84/0x4a0 [ 6847.620383][ T73] dst_alloc+0x97/0x150 [ 6847.620383][ T73] ip6_dst_alloc+0x23/0x90 [ 6847.620383][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6847.620383][ T73] ip6_pol_route+0x56f/0x840 [ 6847.620383][ T73] fib6_rule_lookup+0x456/0x630 [ 6847.620383][ T73] ip6_route_input+0x59c/0xa50 [ 6847.620383][ T73] ipv6_rcv+0x397/0x810 [ 6847.620383][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6847.620383][ T73] process_backlog+0x101/0x620 [ 6847.620383][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6847.620383][ T73] net_rx_action+0x495/0xbe0 [ 6847.620383][ T73] __do_softirq+0x1b5/0x7f6 [ 6847.620383][ T73] [ 6847.621985][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.621985][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.621985][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.621985][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.621985][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6847.621985][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6847.621985][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6847.621985][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6847.621985][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6847.621985][ T73] addrconf_dad_begin+0x310/0x670 [ 6847.621985][ T73] addrconf_dad_work+0x10b/0xab0 [ 6847.621985][ T73] process_one_work+0x84d/0x18a0 [ 6847.621985][ T73] worker_thread+0x587/0xd30 [ 6847.621985][ T73] kthread+0x28a/0x350 [ 6847.621985][ T73] ret_from_fork+0x31/0x70 [ 6847.621985][ T73] ret_from_fork_asm+0x1a/0x30 [ 6847.621985][ T73] [ 6847.623893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.623893][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.623893][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.623893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.623893][ T73] ip6_route_add+0x1c/0x140 [ 6847.623893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6847.623893][ T73] inet6_addr_add+0x4f8/0xa40 [ 6847.623893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.623893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.623893][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.623893][ T73] netlink_unicast+0x449/0x710 [ 6847.623893][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.623893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.623893][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.623893][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.623893][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.623893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.623893][ T73] [ 6847.625903][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.625903][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.625903][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.625903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.625903][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6847.625903][ T73] ipv6_add_addr+0x411/0x2000 [ 6847.625903][ T73] inet6_addr_add+0x30e/0xa40 [ 6847.625903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.625903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.625903][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.625903][ T73] netlink_unicast+0x449/0x710 [ 6847.625903][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.625903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.625903][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.625903][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.625903][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.625903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.625903][ T73] [ 6847.627876][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.627876][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.627876][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.627876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.627876][ T73] ip6_route_add+0x1c/0x140 [ 6847.627876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6847.627876][ T73] addrconf_add_dev+0xe2/0x170 [ 6847.627876][ T73] inet6_addr_add+0x12f/0xa40 [ 6847.627876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.627876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.627876][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.627876][ T73] netlink_unicast+0x449/0x710 [ 6847.627876][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.627876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.627876][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.627876][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.627876][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.627876][ T73] [ 6847.629854][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.629854][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6847.629854][ T73] ipv6_find_idev+0x102/0x170 [ 6847.629854][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.629854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.629854][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.629854][ T73] netlink_unicast+0x449/0x710 [ 6847.629854][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.629854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.629854][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.629854][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.629854][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.629854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.629854][ T73] [ 6847.631388][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6847.631388][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6847.631388][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6847.631388][ T73] ipv6_find_idev+0x102/0x170 [ 6847.631388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.631388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.631388][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.631388][ T73] netlink_unicast+0x449/0x710 [ 6847.631388][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.631388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.631388][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.631388][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.631388][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.631388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.631388][ T73] [ 6847.633196][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6847.633544][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.633544][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6847.633544][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6847.633544][ T73] fib6_nh_init+0xa22/0x1580 [ 6847.633544][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.633544][ T73] ip6_route_add+0x1c/0x140 [ 6847.633544][ T73] inet6_rtm_newroute+0x104/0x110 [ 6847.633544][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.633544][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.633544][ T73] netlink_unicast+0x449/0x710 [ 6847.633544][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.633544][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.633544][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.633544][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.633544][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.633544][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.633544][ T73] [ 6847.635619][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.635619][ T73] dst_init+0x84/0x4a0 [ 6847.635619][ T73] dst_alloc+0x97/0x150 [ 6847.635619][ T73] ip6_dst_alloc+0x23/0x90 [ 6847.635619][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6847.635619][ T73] ip6_pol_route+0x56f/0x840 [ 6847.635619][ T73] fib6_rule_lookup+0x456/0x630 [ 6847.635619][ T73] ip6_route_input+0x59c/0xa50 [ 6847.635619][ T73] ipv6_rcv+0x397/0x810 [ 6847.635619][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6847.635619][ T73] process_backlog+0x101/0x620 [ 6847.635619][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6847.635619][ T73] net_rx_action+0x495/0xbe0 [ 6847.635619][ T73] __do_softirq+0x1b5/0x7f6 [ 6847.635619][ T73] [ 6847.637420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.637420][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.637420][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.637420][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.637420][ T73] ip6_route_add+0x1c/0x140 [ 6847.637420][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6847.637420][ T73] inet6_addr_add+0x4f8/0xa40 [ 6847.637420][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.637420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.637420][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.637420][ T73] netlink_unicast+0x449/0x710 [ 6847.637420][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.637420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.637420][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.637420][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.637420][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.637420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.637420][ T73] [ 6847.639679][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.639679][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.639679][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.639679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.639679][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6847.639679][ T73] ipv6_add_addr+0x411/0x2000 [ 6847.639679][ T73] inet6_addr_add+0x30e/0xa40 [ 6847.639679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.639679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.639679][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.639679][ T73] netlink_unicast+0x449/0x710 [ 6847.639679][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.639679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.639679][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.639679][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.639679][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.639679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.639679][ T73] [ 6847.641924][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.641924][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.641924][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.641924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.641924][ T73] ip6_route_add+0x1c/0x140 [ 6847.641924][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6847.641924][ T73] addrconf_add_dev+0xe2/0x170 [ 6847.641924][ T73] inet6_addr_add+0x12f/0xa40 [ 6847.641924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.641924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.641924][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.641924][ T73] netlink_unicast+0x449/0x710 [ 6847.641924][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.641924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.641924][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.641924][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.641924][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.641924][ T73] [ 6847.644195][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.644195][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6847.644195][ T73] ipv6_find_idev+0x102/0x170 [ 6847.644195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.644195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.644195][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.644195][ T73] netlink_unicast+0x449/0x710 [ 6847.644195][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.644195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.644195][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.644195][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.644195][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.644195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.644195][ T73] [ 6847.645919][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6847.645919][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6847.645919][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6847.645919][ T73] ipv6_find_idev+0x102/0x170 [ 6847.645919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.645919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.645919][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.645919][ T73] netlink_unicast+0x449/0x710 [ 6847.645919][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.645919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.645919][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.645919][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.645919][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.645919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.645919][ T73] [ 6847.647797][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6847.648086][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6847.648086][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.648086][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.648086][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.648086][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6847.648086][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6847.648086][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6847.648086][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6847.648086][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6847.648086][ T73] addrconf_dad_begin+0x310/0x670 [ 6847.648086][ T73] addrconf_dad_work+0x10b/0xab0 [ 6847.648086][ T73] process_one_work+0x84d/0x18a0 [ 6847.648086][ T73] worker_thread+0x587/0xd30 [ 6847.648086][ T73] kthread+0x28a/0x350 [ 6847.648086][ T73] ret_from_fork+0x31/0x70 [ 6847.648086][ T73] ret_from_fork_asm+0x1a/0x30 [ 6847.648086][ T73] [ 6847.650253][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6847.650253][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.650253][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.650253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.650253][ T73] ip6_route_add+0x1c/0x140 [ 6847.650253][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6847.650253][ T73] inet6_addr_add+0x4f8/0xa40 [ 6847.650253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.650253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.650253][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.650253][ T73] netlink_unicast+0x449/0x710 [ 6847.650253][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.650253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.650253][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.650253][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.650253][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.650253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.650253][ T73] [ 6847.652487][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6847.652487][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.652487][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.652487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.652487][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6847.652487][ T73] ipv6_add_addr+0x411/0x2000 [ 6847.652487][ T73] inet6_addr_add+0x30e/0xa40 [ 6847.652487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.652487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.652487][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.652487][ T73] netlink_unicast+0x449/0x710 [ 6847.652487][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.652487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.652487][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.652487][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.652487][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.652487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.652487][ T73] [ 6847.654793][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6847.654793][ T73] netdev_get_by_index+0x5e/0x80 [ 6847.654793][ T73] fib6_nh_init+0x3d8/0x1580 [ 6847.654793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6847.654793][ T73] ip6_route_add+0x1c/0x140 [ 6847.654793][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6847.654793][ T73] addrconf_add_dev+0xe2/0x170 [ 6847.654793][ T73] inet6_addr_add+0x12f/0xa40 [ 6847.654793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6847.654793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.654793][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.654793][ T73] netlink_unicast+0x449/0x710 [ 6847.654793][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.654793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.654793][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.654793][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.654793][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.654793][ T73] [ 6847.656910][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6847.656910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6847.656910][ T73] ipv6_find_idev+0x102/0x170 [ 6847.656910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.656910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.656910][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.656910][ T73] netlink_unicast+0x449/0x710 [ 6847.656910][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.656910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.656910][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.656910][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.656910][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.656910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.656910][ T73] [ 6847.658628][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6847.658628][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6847.658628][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6847.658628][ T73] ipv6_find_idev+0x102/0x170 [ 6847.658628][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6847.658628][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6847.658628][ T73] netlink_rcv_skb+0x130/0x360 [ 6847.658628][ T73] netlink_unicast+0x449/0x710 [ 6847.658628][ T73] netlink_sendmsg+0x723/0xbe0 [ 6847.658628][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6847.658628][ T73] ___sys_sendmsg+0xee/0x170 [ 6847.658628][ T73] __sys_sendmsg+0xcd/0x170 [ 6847.658628][ T73] do_syscall_64+0xc6/0x1e0 [ 6847.658628][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6847.658628][ T73] [ 6857.910939][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6857.911395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.911395][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6857.911395][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6857.911395][ T73] fib6_nh_init+0xa22/0x1580 [ 6857.911395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.911395][ T73] ip6_route_add+0x1c/0x140 [ 6857.911395][ T73] inet6_rtm_newroute+0x104/0x110 [ 6857.911395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.911395][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.911395][ T73] netlink_unicast+0x449/0x710 [ 6857.911395][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.911395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.911395][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.911395][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.911395][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.911395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.911395][ T73] [ 6857.913289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.913289][ T73] dst_init+0x84/0x4a0 [ 6857.913289][ T73] dst_alloc+0x97/0x150 [ 6857.913289][ T73] ip6_dst_alloc+0x23/0x90 [ 6857.913289][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6857.913289][ T73] ip6_pol_route+0x56f/0x840 [ 6857.913289][ T73] fib6_rule_lookup+0x456/0x630 [ 6857.913289][ T73] ip6_route_input+0x59c/0xa50 [ 6857.913289][ T73] ipv6_rcv+0x397/0x810 [ 6857.913289][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6857.913289][ T73] process_backlog+0x101/0x620 [ 6857.913289][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6857.913289][ T73] net_rx_action+0x495/0xbe0 [ 6857.913289][ T73] __do_softirq+0x1b5/0x7f6 [ 6857.913289][ T73] [ 6857.914961][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.914961][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.914961][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.914961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.914961][ T73] ip6_route_add+0x1c/0x140 [ 6857.914961][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6857.914961][ T73] inet6_addr_add+0x4f8/0xa40 [ 6857.914961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.914961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.914961][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.914961][ T73] netlink_unicast+0x449/0x710 [ 6857.914961][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.914961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.914961][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.914961][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.914961][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.914961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.914961][ T73] [ 6857.916925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.916925][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.916925][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.916925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.916925][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6857.916925][ T73] ipv6_add_addr+0x411/0x2000 [ 6857.916925][ T73] inet6_addr_add+0x30e/0xa40 [ 6857.916925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.916925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.916925][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.916925][ T73] netlink_unicast+0x449/0x710 [ 6857.916925][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.916925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.916925][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.916925][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.916925][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.916925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.916925][ T73] [ 6857.918886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.918886][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.918886][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.918886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.918886][ T73] ip6_route_add+0x1c/0x140 [ 6857.918886][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6857.918886][ T73] addrconf_add_dev+0xe2/0x170 [ 6857.918886][ T73] inet6_addr_add+0x12f/0xa40 [ 6857.918886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.918886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.918886][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.918886][ T73] netlink_unicast+0x449/0x710 [ 6857.918886][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.918886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.918886][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.918886][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.918886][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.918886][ T73] [ 6857.920885][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.920885][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6857.920885][ T73] ipv6_find_idev+0x102/0x170 [ 6857.920885][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.920885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.920885][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.920885][ T73] netlink_unicast+0x449/0x710 [ 6857.920885][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.920885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.920885][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.920885][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.920885][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.920885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.920885][ T73] [ 6857.922513][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6857.922513][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6857.922513][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6857.922513][ T73] ipv6_find_idev+0x102/0x170 [ 6857.922513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.922513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.922513][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.922513][ T73] netlink_unicast+0x449/0x710 [ 6857.922513][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.922513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.922513][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.922513][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.922513][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.922513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.922513][ T73] [ 6857.924229][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6857.924502][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.924502][ T73] dst_init+0x84/0x4a0 [ 6857.924502][ T73] dst_alloc+0x97/0x150 [ 6857.924502][ T73] ip6_dst_alloc+0x23/0x90 [ 6857.924502][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6857.924502][ T73] ip6_pol_route+0x56f/0x840 [ 6857.924502][ T73] fib6_rule_lookup+0x456/0x630 [ 6857.924502][ T73] ip6_route_input+0x59c/0xa50 [ 6857.924502][ T73] ipv6_rcv+0x397/0x810 [ 6857.924502][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6857.924502][ T73] process_backlog+0x101/0x620 [ 6857.924502][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6857.924502][ T73] net_rx_action+0x495/0xbe0 [ 6857.924502][ T73] __do_softirq+0x1b5/0x7f6 [ 6857.924502][ T73] [ 6857.926151][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.926151][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.926151][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.926151][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.926151][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6857.926151][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6857.926151][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6857.926151][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6857.926151][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6857.926151][ T73] addrconf_dad_begin+0x310/0x670 [ 6857.926151][ T73] addrconf_dad_work+0x10b/0xab0 [ 6857.926151][ T73] process_one_work+0x84d/0x18a0 [ 6857.926151][ T73] worker_thread+0x587/0xd30 [ 6857.926151][ T73] kthread+0x28a/0x350 [ 6857.926151][ T73] ret_from_fork+0x31/0x70 [ 6857.926151][ T73] ret_from_fork_asm+0x1a/0x30 [ 6857.926151][ T73] [ 6857.928082][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.928082][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.928082][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.928082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.928082][ T73] ip6_route_add+0x1c/0x140 [ 6857.928082][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6857.928082][ T73] inet6_addr_add+0x4f8/0xa40 [ 6857.928082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.928082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.928082][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.928082][ T73] netlink_unicast+0x449/0x710 [ 6857.928082][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.928082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.928082][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.928082][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.928082][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.928082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.928082][ T73] [ 6857.930090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.930090][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.930090][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.930090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.930090][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6857.930090][ T73] ipv6_add_addr+0x411/0x2000 [ 6857.930090][ T73] inet6_addr_add+0x30e/0xa40 [ 6857.930090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.930090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.930090][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.930090][ T73] netlink_unicast+0x449/0x710 [ 6857.930090][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.930090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.930090][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.930090][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.930090][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.930090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.930090][ T73] [ 6857.932090][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.932090][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.932090][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.932090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.932090][ T73] ip6_route_add+0x1c/0x140 [ 6857.932090][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6857.932090][ T73] addrconf_add_dev+0xe2/0x170 [ 6857.932090][ T73] inet6_addr_add+0x12f/0xa40 [ 6857.932090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.932090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.932090][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.932090][ T73] netlink_unicast+0x449/0x710 [ 6857.932090][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.932090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.932090][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.932090][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.932090][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.932090][ T73] [ 6857.934053][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.934053][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6857.934053][ T73] ipv6_find_idev+0x102/0x170 [ 6857.934053][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.934053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.934053][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.934053][ T73] netlink_unicast+0x449/0x710 [ 6857.934053][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.934053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.934053][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.934053][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.934053][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.934053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.934053][ T73] [ 6857.935595][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6857.935595][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6857.935595][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6857.935595][ T73] ipv6_find_idev+0x102/0x170 [ 6857.935595][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.935595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.935595][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.935595][ T73] netlink_unicast+0x449/0x710 [ 6857.935595][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.935595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.935595][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.935595][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.935595][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.935595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.935595][ T73] [ 6857.937367][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6857.937641][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.937641][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6857.937641][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6857.937641][ T73] fib6_nh_init+0xa22/0x1580 [ 6857.937641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.937641][ T73] ip6_route_add+0x1c/0x140 [ 6857.937641][ T73] inet6_rtm_newroute+0x104/0x110 [ 6857.937641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.937641][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.937641][ T73] netlink_unicast+0x449/0x710 [ 6857.937641][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.937641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.937641][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.937641][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.937641][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.937641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.937641][ T73] [ 6857.939659][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.939659][ T73] dst_init+0x84/0x4a0 [ 6857.939659][ T73] dst_alloc+0x97/0x150 [ 6857.939659][ T73] ip6_dst_alloc+0x23/0x90 [ 6857.939659][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6857.939659][ T73] ip6_pol_route+0x56f/0x840 [ 6857.939659][ T73] fib6_rule_lookup+0x456/0x630 [ 6857.939659][ T73] ip6_route_input+0x59c/0xa50 [ 6857.939659][ T73] ipv6_rcv+0x397/0x810 [ 6857.939659][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6857.939659][ T73] process_backlog+0x101/0x620 [ 6857.939659][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6857.939659][ T73] net_rx_action+0x495/0xbe0 [ 6857.939659][ T73] __do_softirq+0x1b5/0x7f6 [ 6857.939659][ T73] [ 6857.941428][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.941428][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.941428][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.941428][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.941428][ T73] ip6_route_add+0x1c/0x140 [ 6857.941428][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6857.941428][ T73] inet6_addr_add+0x4f8/0xa40 [ 6857.941428][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.941428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.941428][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.941428][ T73] netlink_unicast+0x449/0x710 [ 6857.941428][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.941428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.941428][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.941428][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.941428][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.941428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.941428][ T73] [ 6857.943558][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.943558][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.943558][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.943558][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.943558][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6857.943558][ T73] ipv6_add_addr+0x411/0x2000 [ 6857.943558][ T73] inet6_addr_add+0x30e/0xa40 [ 6857.943558][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.943558][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.943558][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.943558][ T73] netlink_unicast+0x449/0x710 [ 6857.943558][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.943558][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.943558][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.943558][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.943558][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.943558][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.943558][ T73] [ 6857.945685][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.945685][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.945685][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.945685][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.945685][ T73] ip6_route_add+0x1c/0x140 [ 6857.945685][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6857.945685][ T73] addrconf_add_dev+0xe2/0x170 [ 6857.945685][ T73] inet6_addr_add+0x12f/0xa40 [ 6857.945685][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.945685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.945685][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.945685][ T73] netlink_unicast+0x449/0x710 [ 6857.945685][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.945685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.945685][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.945685][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.945685][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.945685][ T73] [ 6857.947781][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.947781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6857.947781][ T73] ipv6_find_idev+0x102/0x170 [ 6857.947781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.947781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.947781][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.947781][ T73] netlink_unicast+0x449/0x710 [ 6857.947781][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.947781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.947781][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.947781][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.947781][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.947781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.947781][ T73] [ 6857.949395][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6857.949395][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6857.949395][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6857.949395][ T73] ipv6_find_idev+0x102/0x170 [ 6857.949395][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.949395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.949395][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.949395][ T73] netlink_unicast+0x449/0x710 [ 6857.949395][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.949395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.949395][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.949395][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.949395][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.949395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.949395][ T73] [ 6857.951208][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6857.951490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6857.951490][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.951490][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.951490][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.951490][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6857.951490][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6857.951490][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6857.951490][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6857.951490][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6857.951490][ T73] addrconf_dad_begin+0x310/0x670 [ 6857.951490][ T73] addrconf_dad_work+0x10b/0xab0 [ 6857.951490][ T73] process_one_work+0x84d/0x18a0 [ 6857.951490][ T73] worker_thread+0x587/0xd30 [ 6857.951490][ T73] kthread+0x28a/0x350 [ 6857.951490][ T73] ret_from_fork+0x31/0x70 [ 6857.951490][ T73] ret_from_fork_asm+0x1a/0x30 [ 6857.951490][ T73] [ 6857.953622][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6857.953622][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.953622][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.953622][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.953622][ T73] ip6_route_add+0x1c/0x140 [ 6857.953622][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6857.953622][ T73] inet6_addr_add+0x4f8/0xa40 [ 6857.953622][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.953622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.953622][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.953622][ T73] netlink_unicast+0x449/0x710 [ 6857.953622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.953622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.953622][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.953622][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.953622][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.953622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.953622][ T73] [ 6857.955759][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6857.955759][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.955759][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.955759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.955759][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6857.955759][ T73] ipv6_add_addr+0x411/0x2000 [ 6857.955759][ T73] inet6_addr_add+0x30e/0xa40 [ 6857.955759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.955759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.955759][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.955759][ T73] netlink_unicast+0x449/0x710 [ 6857.955759][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.955759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.955759][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.955759][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.955759][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.955759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.955759][ T73] [ 6857.957894][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6857.957894][ T73] netdev_get_by_index+0x5e/0x80 [ 6857.957894][ T73] fib6_nh_init+0x3d8/0x1580 [ 6857.957894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6857.957894][ T73] ip6_route_add+0x1c/0x140 [ 6857.957894][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6857.957894][ T73] addrconf_add_dev+0xe2/0x170 [ 6857.957894][ T73] inet6_addr_add+0x12f/0xa40 [ 6857.957894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6857.957894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.957894][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.957894][ T73] netlink_unicast+0x449/0x710 [ 6857.957894][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.957894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.957894][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.957894][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.957894][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.957894][ T73] [ 6857.959931][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6857.959931][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6857.959931][ T73] ipv6_find_idev+0x102/0x170 [ 6857.959931][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.959931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.959931][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.959931][ T73] netlink_unicast+0x449/0x710 [ 6857.959931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.959931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.959931][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.959931][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.959931][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.959931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.959931][ T73] [ 6857.961598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6857.961598][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6857.961598][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6857.961598][ T73] ipv6_find_idev+0x102/0x170 [ 6857.961598][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6857.961598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6857.961598][ T73] netlink_rcv_skb+0x130/0x360 [ 6857.961598][ T73] netlink_unicast+0x449/0x710 [ 6857.961598][ T73] netlink_sendmsg+0x723/0xbe0 [ 6857.961598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6857.961598][ T73] ___sys_sendmsg+0xee/0x170 [ 6857.961598][ T73] __sys_sendmsg+0xcd/0x170 [ 6857.961598][ T73] do_syscall_64+0xc6/0x1e0 [ 6857.961598][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6857.961598][ T73] [ 6868.006896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6868.007278][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.007278][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6868.007278][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6868.007278][ T73] fib6_nh_init+0xa22/0x1580 [ 6868.007278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.007278][ T73] ip6_route_add+0x1c/0x140 [ 6868.007278][ T73] inet6_rtm_newroute+0x104/0x110 [ 6868.007278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.007278][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.007278][ T73] netlink_unicast+0x449/0x710 [ 6868.007278][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.007278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.007278][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.007278][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.007278][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.007278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.007278][ T73] [ 6868.009184][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.009184][ T73] dst_init+0x84/0x4a0 [ 6868.009184][ T73] dst_alloc+0x97/0x150 [ 6868.009184][ T73] ip6_dst_alloc+0x23/0x90 [ 6868.009184][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6868.009184][ T73] ip6_pol_route+0x56f/0x840 [ 6868.009184][ T73] fib6_rule_lookup+0x456/0x630 [ 6868.009184][ T73] ip6_route_input+0x59c/0xa50 [ 6868.009184][ T73] ipv6_rcv+0x397/0x810 [ 6868.009184][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6868.009184][ T73] process_backlog+0x101/0x620 [ 6868.009184][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6868.009184][ T73] net_rx_action+0x495/0xbe0 [ 6868.009184][ T73] __do_softirq+0x1b5/0x7f6 [ 6868.009184][ T73] [ 6868.010833][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.010833][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.010833][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.010833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.010833][ T73] ip6_route_add+0x1c/0x140 [ 6868.010833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6868.010833][ T73] inet6_addr_add+0x4f8/0xa40 [ 6868.010833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.010833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.010833][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.010833][ T73] netlink_unicast+0x449/0x710 [ 6868.010833][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.010833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.010833][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.010833][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.010833][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.010833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.010833][ T73] [ 6868.012814][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.012814][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.012814][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.012814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.012814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6868.012814][ T73] ipv6_add_addr+0x411/0x2000 [ 6868.012814][ T73] inet6_addr_add+0x30e/0xa40 [ 6868.012814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.012814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.012814][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.012814][ T73] netlink_unicast+0x449/0x710 [ 6868.012814][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.012814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.012814][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.012814][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.012814][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.012814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.012814][ T73] [ 6868.014853][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.014853][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.014853][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.014853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.014853][ T73] ip6_route_add+0x1c/0x140 [ 6868.014853][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6868.014853][ T73] addrconf_add_dev+0xe2/0x170 [ 6868.014853][ T73] inet6_addr_add+0x12f/0xa40 [ 6868.014853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.014853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.014853][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.014853][ T73] netlink_unicast+0x449/0x710 [ 6868.014853][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.014853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.014853][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.014853][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.014853][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.014853][ T73] [ 6868.016832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.016832][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6868.016832][ T73] ipv6_find_idev+0x102/0x170 [ 6868.016832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.016832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.016832][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.016832][ T73] netlink_unicast+0x449/0x710 [ 6868.016832][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.016832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.016832][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.016832][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.016832][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.016832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.016832][ T73] [ 6868.018382][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6868.018382][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6868.018382][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6868.018382][ T73] ipv6_find_idev+0x102/0x170 [ 6868.018382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.018382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.018382][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.018382][ T73] netlink_unicast+0x449/0x710 [ 6868.018382][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.018382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.018382][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.018382][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.018382][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.018382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.018382][ T73] [ 6868.020102][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6868.020373][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.020373][ T73] dst_init+0x84/0x4a0 [ 6868.020373][ T73] dst_alloc+0x97/0x150 [ 6868.020373][ T73] ip6_dst_alloc+0x23/0x90 [ 6868.020373][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6868.020373][ T73] ip6_pol_route+0x56f/0x840 [ 6868.020373][ T73] fib6_rule_lookup+0x456/0x630 [ 6868.020373][ T73] ip6_route_input+0x59c/0xa50 [ 6868.020373][ T73] ipv6_rcv+0x397/0x810 [ 6868.020373][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6868.020373][ T73] process_backlog+0x101/0x620 [ 6868.020373][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6868.020373][ T73] net_rx_action+0x495/0xbe0 [ 6868.020373][ T73] __do_softirq+0x1b5/0x7f6 [ 6868.020373][ T73] [ 6868.022022][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.022022][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.022022][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.022022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.022022][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6868.022022][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6868.022022][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6868.022022][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6868.022022][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6868.022022][ T73] addrconf_dad_begin+0x310/0x670 [ 6868.022022][ T73] addrconf_dad_work+0x10b/0xab0 [ 6868.022022][ T73] process_one_work+0x84d/0x18a0 [ 6868.022022][ T73] worker_thread+0x587/0xd30 [ 6868.022022][ T73] kthread+0x28a/0x350 [ 6868.022022][ T73] ret_from_fork+0x31/0x70 [ 6868.022022][ T73] ret_from_fork_asm+0x1a/0x30 [ 6868.022022][ T73] [ 6868.023946][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.023946][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.023946][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.023946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.023946][ T73] ip6_route_add+0x1c/0x140 [ 6868.023946][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6868.023946][ T73] inet6_addr_add+0x4f8/0xa40 [ 6868.023946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.023946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.023946][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.023946][ T73] netlink_unicast+0x449/0x710 [ 6868.023946][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.023946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.023946][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.023946][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.023946][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.023946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.023946][ T73] [ 6868.025952][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.025952][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.025952][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.025952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.025952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6868.025952][ T73] ipv6_add_addr+0x411/0x2000 [ 6868.025952][ T73] inet6_addr_add+0x30e/0xa40 [ 6868.025952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.025952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.025952][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.025952][ T73] netlink_unicast+0x449/0x710 [ 6868.025952][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.025952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.025952][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.025952][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.025952][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.025952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.025952][ T73] [ 6868.027956][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.027956][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.027956][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.027956][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.027956][ T73] ip6_route_add+0x1c/0x140 [ 6868.027956][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6868.027956][ T73] addrconf_add_dev+0xe2/0x170 [ 6868.027956][ T73] inet6_addr_add+0x12f/0xa40 [ 6868.027956][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.027956][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.027956][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.027956][ T73] netlink_unicast+0x449/0x710 [ 6868.027956][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.027956][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.027956][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.027956][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.027956][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.027956][ T73] [ 6868.030032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.030032][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6868.030032][ T73] ipv6_find_idev+0x102/0x170 [ 6868.030032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.030032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.030032][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.030032][ T73] netlink_unicast+0x449/0x710 [ 6868.030032][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.030032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.030032][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.030032][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.030032][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.030032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.030032][ T73] [ 6868.031902][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6868.031902][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6868.031902][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6868.031902][ T73] ipv6_find_idev+0x102/0x170 [ 6868.031902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.031902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.031902][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.031902][ T73] netlink_unicast+0x449/0x710 [ 6868.031902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.031902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.031902][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.031902][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.031902][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.031902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.031902][ T73] [ 6868.034080][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6868.034429][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.034429][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6868.034429][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6868.034429][ T73] fib6_nh_init+0xa22/0x1580 [ 6868.034429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.034429][ T73] ip6_route_add+0x1c/0x140 [ 6868.034429][ T73] inet6_rtm_newroute+0x104/0x110 [ 6868.034429][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.034429][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.034429][ T73] netlink_unicast+0x449/0x710 [ 6868.034429][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.034429][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.034429][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.034429][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.034429][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.034429][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.034429][ T73] [ 6868.036935][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.036935][ T73] dst_init+0x84/0x4a0 [ 6868.036935][ T73] dst_alloc+0x97/0x150 [ 6868.036935][ T73] ip6_dst_alloc+0x23/0x90 [ 6868.036935][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6868.036935][ T73] ip6_pol_route+0x56f/0x840 [ 6868.036935][ T73] fib6_rule_lookup+0x456/0x630 [ 6868.036935][ T73] ip6_route_input+0x59c/0xa50 [ 6868.036935][ T73] ipv6_rcv+0x397/0x810 [ 6868.036935][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6868.036935][ T73] process_backlog+0x101/0x620 [ 6868.036935][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6868.036935][ T73] net_rx_action+0x495/0xbe0 [ 6868.036935][ T73] __do_softirq+0x1b5/0x7f6 [ 6868.036935][ T73] [ 6868.039038][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.039038][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.039038][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.039038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.039038][ T73] ip6_route_add+0x1c/0x140 [ 6868.039038][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6868.039038][ T73] inet6_addr_add+0x4f8/0xa40 [ 6868.039038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.039038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.039038][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.039038][ T73] netlink_unicast+0x449/0x710 [ 6868.039038][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.039038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.039038][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.039038][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.039038][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.039038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.039038][ T73] [ 6868.041673][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.041673][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.041673][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.041673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.041673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6868.041673][ T73] ipv6_add_addr+0x411/0x2000 [ 6868.041673][ T73] inet6_addr_add+0x30e/0xa40 [ 6868.041673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.041673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.041673][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.041673][ T73] netlink_unicast+0x449/0x710 [ 6868.041673][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.041673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.041673][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.041673][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.041673][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.041673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.041673][ T73] [ 6868.044297][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.044297][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.044297][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.044297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.044297][ T73] ip6_route_add+0x1c/0x140 [ 6868.044297][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6868.044297][ T73] addrconf_add_dev+0xe2/0x170 [ 6868.044297][ T73] inet6_addr_add+0x12f/0xa40 [ 6868.044297][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.044297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.044297][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.044297][ T73] netlink_unicast+0x449/0x710 [ 6868.044297][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.044297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.044297][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.044297][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.044297][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.044297][ T73] [ 6868.046678][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.046678][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6868.046678][ T73] ipv6_find_idev+0x102/0x170 [ 6868.046678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.046678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.046678][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.046678][ T73] netlink_unicast+0x449/0x710 [ 6868.046678][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.046678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.046678][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.046678][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.046678][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.046678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.046678][ T73] [ 6868.048733][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6868.048733][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6868.048733][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6868.048733][ T73] ipv6_find_idev+0x102/0x170 [ 6868.048733][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.048733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.048733][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.048733][ T73] netlink_unicast+0x449/0x710 [ 6868.048733][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.048733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.048733][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.048733][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.048733][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.048733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.048733][ T73] [ 6868.050515][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6868.051336][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6868.051336][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.051336][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.051336][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.051336][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6868.051336][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6868.051336][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6868.051336][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6868.051336][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6868.051336][ T73] addrconf_dad_begin+0x310/0x670 [ 6868.051336][ T73] addrconf_dad_work+0x10b/0xab0 [ 6868.051336][ T73] process_one_work+0x84d/0x18a0 [ 6868.051336][ T73] worker_thread+0x587/0xd30 [ 6868.051336][ T73] kthread+0x28a/0x350 [ 6868.051336][ T73] ret_from_fork+0x31/0x70 [ 6868.051336][ T73] ret_from_fork_asm+0x1a/0x30 [ 6868.051336][ T73] [ 6868.053254][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6868.053254][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.053254][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.053254][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.053254][ T73] ip6_route_add+0x1c/0x140 [ 6868.053254][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6868.053254][ T73] inet6_addr_add+0x4f8/0xa40 [ 6868.053254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.053254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.053254][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.053254][ T73] netlink_unicast+0x449/0x710 [ 6868.053254][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.053254][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.053254][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.053254][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.053254][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.053254][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.053254][ T73] [ 6868.055320][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6868.055320][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.055320][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.055320][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.055320][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6868.055320][ T73] ipv6_add_addr+0x411/0x2000 [ 6868.055320][ T73] inet6_addr_add+0x30e/0xa40 [ 6868.055320][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.055320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.055320][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.055320][ T73] netlink_unicast+0x449/0x710 [ 6868.055320][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.055320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.055320][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.055320][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.055320][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.055320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.055320][ T73] [ 6868.057452][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6868.057452][ T73] netdev_get_by_index+0x5e/0x80 [ 6868.057452][ T73] fib6_nh_init+0x3d8/0x1580 [ 6868.057452][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6868.057452][ T73] ip6_route_add+0x1c/0x140 [ 6868.057452][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6868.057452][ T73] addrconf_add_dev+0xe2/0x170 [ 6868.057452][ T73] inet6_addr_add+0x12f/0xa40 [ 6868.057452][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6868.057452][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.057452][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.057452][ T73] netlink_unicast+0x449/0x710 [ 6868.057452][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.057452][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.057452][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.057452][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.057452][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.057452][ T73] [ 6868.059553][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6868.059553][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6868.059553][ T73] ipv6_find_idev+0x102/0x170 [ 6868.059553][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.059553][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.059553][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.059553][ T73] netlink_unicast+0x449/0x710 [ 6868.059553][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.059553][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.059553][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.059553][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.059553][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.059553][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.059553][ T73] [ 6868.061240][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6868.061240][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6868.061240][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6868.061240][ T73] ipv6_find_idev+0x102/0x170 [ 6868.061240][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6868.061240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6868.061240][ T73] netlink_rcv_skb+0x130/0x360 [ 6868.061240][ T73] netlink_unicast+0x449/0x710 [ 6868.061240][ T73] netlink_sendmsg+0x723/0xbe0 [ 6868.061240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6868.061240][ T73] ___sys_sendmsg+0xee/0x170 [ 6868.061240][ T73] __sys_sendmsg+0xcd/0x170 [ 6868.061240][ T73] do_syscall_64+0xc6/0x1e0 [ 6868.061240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6868.061240][ T73] [ 6878.302886][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6878.303331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.303331][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6878.303331][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6878.303331][ T73] fib6_nh_init+0xa22/0x1580 [ 6878.303331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.303331][ T73] ip6_route_add+0x1c/0x140 [ 6878.303331][ T73] inet6_rtm_newroute+0x104/0x110 [ 6878.303331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.303331][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.303331][ T73] netlink_unicast+0x449/0x710 [ 6878.303331][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.303331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.303331][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.303331][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.303331][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.303331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.303331][ T73] [ 6878.305213][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.305213][ T73] dst_init+0x84/0x4a0 [ 6878.305213][ T73] dst_alloc+0x97/0x150 [ 6878.305213][ T73] ip6_dst_alloc+0x23/0x90 [ 6878.305213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6878.305213][ T73] ip6_pol_route+0x56f/0x840 [ 6878.305213][ T73] fib6_rule_lookup+0x456/0x630 [ 6878.305213][ T73] ip6_route_input+0x59c/0xa50 [ 6878.305213][ T73] ipv6_rcv+0x397/0x810 [ 6878.305213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6878.305213][ T73] process_backlog+0x101/0x620 [ 6878.305213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6878.305213][ T73] net_rx_action+0x495/0xbe0 [ 6878.305213][ T73] __do_softirq+0x1b5/0x7f6 [ 6878.305213][ T73] [ 6878.306850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.306850][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.306850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.306850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.306850][ T73] ip6_route_add+0x1c/0x140 [ 6878.306850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6878.306850][ T73] inet6_addr_add+0x4f8/0xa40 [ 6878.306850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.306850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.306850][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.306850][ T73] netlink_unicast+0x449/0x710 [ 6878.306850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.306850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.306850][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.306850][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.306850][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.306850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.306850][ T73] [ 6878.308834][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.308834][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.308834][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.308834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.308834][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6878.308834][ T73] ipv6_add_addr+0x411/0x2000 [ 6878.308834][ T73] inet6_addr_add+0x30e/0xa40 [ 6878.308834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.308834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.308834][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.308834][ T73] netlink_unicast+0x449/0x710 [ 6878.308834][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.308834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.308834][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.308834][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.308834][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.308834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.308834][ T73] [ 6878.310832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.310832][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.310832][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.310832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.310832][ T73] ip6_route_add+0x1c/0x140 [ 6878.310832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6878.310832][ T73] addrconf_add_dev+0xe2/0x170 [ 6878.310832][ T73] inet6_addr_add+0x12f/0xa40 [ 6878.310832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.310832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.310832][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.310832][ T73] netlink_unicast+0x449/0x710 [ 6878.310832][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.310832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.310832][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.310832][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.310832][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.310832][ T73] [ 6878.312789][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.312789][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6878.312789][ T73] ipv6_find_idev+0x102/0x170 [ 6878.312789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.312789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.312789][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.312789][ T73] netlink_unicast+0x449/0x710 [ 6878.312789][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.312789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.312789][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.312789][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.312789][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.312789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.312789][ T73] [ 6878.314318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6878.314318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6878.314318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6878.314318][ T73] ipv6_find_idev+0x102/0x170 [ 6878.314318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.314318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.314318][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.314318][ T73] netlink_unicast+0x449/0x710 [ 6878.314318][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.314318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.314318][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.314318][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.314318][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.314318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.314318][ T73] [ 6878.315990][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6878.316262][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.316262][ T73] dst_init+0x84/0x4a0 [ 6878.316262][ T73] dst_alloc+0x97/0x150 [ 6878.316262][ T73] ip6_dst_alloc+0x23/0x90 [ 6878.316262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6878.316262][ T73] ip6_pol_route+0x56f/0x840 [ 6878.316262][ T73] fib6_rule_lookup+0x456/0x630 [ 6878.316262][ T73] ip6_route_input+0x59c/0xa50 [ 6878.316262][ T73] ipv6_rcv+0x397/0x810 [ 6878.316262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6878.316262][ T73] process_backlog+0x101/0x620 [ 6878.316262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6878.316262][ T73] net_rx_action+0x495/0xbe0 [ 6878.316262][ T73] __do_softirq+0x1b5/0x7f6 [ 6878.316262][ T73] [ 6878.317888][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.317888][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.317888][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.317888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.317888][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6878.317888][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6878.317888][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6878.317888][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6878.317888][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6878.317888][ T73] addrconf_dad_begin+0x310/0x670 [ 6878.317888][ T73] addrconf_dad_work+0x10b/0xab0 [ 6878.317888][ T73] process_one_work+0x84d/0x18a0 [ 6878.317888][ T73] worker_thread+0x587/0xd30 [ 6878.317888][ T73] kthread+0x28a/0x350 [ 6878.317888][ T73] ret_from_fork+0x31/0x70 [ 6878.317888][ T73] ret_from_fork_asm+0x1a/0x30 [ 6878.317888][ T73] [ 6878.319793][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.319793][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.319793][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.319793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.319793][ T73] ip6_route_add+0x1c/0x140 [ 6878.319793][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6878.319793][ T73] inet6_addr_add+0x4f8/0xa40 [ 6878.319793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.319793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.319793][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.319793][ T73] netlink_unicast+0x449/0x710 [ 6878.319793][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.319793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.319793][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.319793][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.319793][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.319793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.319793][ T73] [ 6878.321795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.321795][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.321795][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.321795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.321795][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6878.321795][ T73] ipv6_add_addr+0x411/0x2000 [ 6878.321795][ T73] inet6_addr_add+0x30e/0xa40 [ 6878.321795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.321795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.321795][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.321795][ T73] netlink_unicast+0x449/0x710 [ 6878.321795][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.321795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.321795][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.321795][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.321795][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.321795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.321795][ T73] [ 6878.323772][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.323772][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.323772][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.323772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.323772][ T73] ip6_route_add+0x1c/0x140 [ 6878.323772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6878.323772][ T73] addrconf_add_dev+0xe2/0x170 [ 6878.323772][ T73] inet6_addr_add+0x12f/0xa40 [ 6878.323772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.323772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.323772][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.323772][ T73] netlink_unicast+0x449/0x710 [ 6878.323772][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.323772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.323772][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.323772][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.323772][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.323772][ T73] [ 6878.325719][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.325719][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6878.325719][ T73] ipv6_find_idev+0x102/0x170 [ 6878.325719][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.325719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.325719][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.325719][ T73] netlink_unicast+0x449/0x710 [ 6878.325719][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.325719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.325719][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.325719][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.325719][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.325719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.325719][ T73] [ 6878.327246][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6878.327246][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6878.327246][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6878.327246][ T73] ipv6_find_idev+0x102/0x170 [ 6878.327246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.327246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.327246][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.327246][ T73] netlink_unicast+0x449/0x710 [ 6878.327246][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.327246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.327246][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.327246][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.327246][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.327246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.327246][ T73] [ 6878.329036][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6878.329358][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.329358][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6878.329358][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6878.329358][ T73] fib6_nh_init+0xa22/0x1580 [ 6878.329358][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.329358][ T73] ip6_route_add+0x1c/0x140 [ 6878.329358][ T73] inet6_rtm_newroute+0x104/0x110 [ 6878.329358][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.329358][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.329358][ T73] netlink_unicast+0x449/0x710 [ 6878.329358][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.329358][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.329358][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.329358][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.329358][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.329358][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.329358][ T73] [ 6878.331474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.331474][ T73] dst_init+0x84/0x4a0 [ 6878.331474][ T73] dst_alloc+0x97/0x150 [ 6878.331474][ T73] ip6_dst_alloc+0x23/0x90 [ 6878.331474][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6878.331474][ T73] ip6_pol_route+0x56f/0x840 [ 6878.331474][ T73] fib6_rule_lookup+0x456/0x630 [ 6878.331474][ T73] ip6_route_input+0x59c/0xa50 [ 6878.331474][ T73] ipv6_rcv+0x397/0x810 [ 6878.331474][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6878.331474][ T73] process_backlog+0x101/0x620 [ 6878.331474][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6878.331474][ T73] net_rx_action+0x495/0xbe0 [ 6878.331474][ T73] __do_softirq+0x1b5/0x7f6 [ 6878.331474][ T73] [ 6878.333269][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.333269][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.333269][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.333269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.333269][ T73] ip6_route_add+0x1c/0x140 [ 6878.333269][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6878.333269][ T73] inet6_addr_add+0x4f8/0xa40 [ 6878.333269][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.333269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.333269][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.333269][ T73] netlink_unicast+0x449/0x710 [ 6878.333269][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.333269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.333269][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.333269][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.333269][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.333269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.333269][ T73] [ 6878.335487][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.335487][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.335487][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.335487][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.335487][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6878.335487][ T73] ipv6_add_addr+0x411/0x2000 [ 6878.335487][ T73] inet6_addr_add+0x30e/0xa40 [ 6878.335487][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.335487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.335487][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.335487][ T73] netlink_unicast+0x449/0x710 [ 6878.335487][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.335487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.335487][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.335487][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.335487][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.335487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.335487][ T73] [ 6878.338232][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.338232][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.338232][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.338232][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.338232][ T73] ip6_route_add+0x1c/0x140 [ 6878.338232][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6878.338232][ T73] addrconf_add_dev+0xe2/0x170 [ 6878.338232][ T73] inet6_addr_add+0x12f/0xa40 [ 6878.338232][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.338232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.338232][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.338232][ T73] netlink_unicast+0x449/0x710 [ 6878.338232][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.338232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.338232][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.338232][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.338232][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.338232][ T73] [ 6878.340485][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.340485][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6878.340485][ T73] ipv6_find_idev+0x102/0x170 [ 6878.340485][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.340485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.340485][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.340485][ T73] netlink_unicast+0x449/0x710 [ 6878.340485][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.340485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.340485][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.340485][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.340485][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.340485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.340485][ T73] [ 6878.342194][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6878.342194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6878.342194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6878.342194][ T73] ipv6_find_idev+0x102/0x170 [ 6878.342194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.342194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.342194][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.342194][ T73] netlink_unicast+0x449/0x710 [ 6878.342194][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.342194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.342194][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.342194][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.342194][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.342194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.342194][ T73] [ 6878.344055][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6878.344319][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6878.344319][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.344319][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.344319][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.344319][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6878.344319][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6878.344319][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6878.344319][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6878.344319][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6878.344319][ T73] addrconf_dad_begin+0x310/0x670 [ 6878.344319][ T73] addrconf_dad_work+0x10b/0xab0 [ 6878.344319][ T73] process_one_work+0x84d/0x18a0 [ 6878.344319][ T73] worker_thread+0x587/0xd30 [ 6878.344319][ T73] kthread+0x28a/0x350 [ 6878.344319][ T73] ret_from_fork+0x31/0x70 [ 6878.344319][ T73] ret_from_fork_asm+0x1a/0x30 [ 6878.344319][ T73] [ 6878.346453][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6878.346453][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.346453][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.346453][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.346453][ T73] ip6_route_add+0x1c/0x140 [ 6878.346453][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6878.346453][ T73] inet6_addr_add+0x4f8/0xa40 [ 6878.346453][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.346453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.346453][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.346453][ T73] netlink_unicast+0x449/0x710 [ 6878.346453][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.346453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.346453][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.346453][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.346453][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.346453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.346453][ T73] [ 6878.349077][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6878.349077][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.349077][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.349077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.349077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6878.349077][ T73] ipv6_add_addr+0x411/0x2000 [ 6878.349077][ T73] inet6_addr_add+0x30e/0xa40 [ 6878.349077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.349077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.349077][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.349077][ T73] netlink_unicast+0x449/0x710 [ 6878.349077][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.349077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.349077][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.349077][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.349077][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.349077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.349077][ T73] [ 6878.351354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6878.351354][ T73] netdev_get_by_index+0x5e/0x80 [ 6878.351354][ T73] fib6_nh_init+0x3d8/0x1580 [ 6878.351354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6878.351354][ T73] ip6_route_add+0x1c/0x140 [ 6878.351354][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6878.351354][ T73] addrconf_add_dev+0xe2/0x170 [ 6878.351354][ T73] inet6_addr_add+0x12f/0xa40 [ 6878.351354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6878.351354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.351354][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.351354][ T73] netlink_unicast+0x449/0x710 [ 6878.351354][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.351354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.351354][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.351354][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.351354][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.351354][ T73] [ 6878.353488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6878.353488][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6878.353488][ T73] ipv6_find_idev+0x102/0x170 [ 6878.353488][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.353488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.353488][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.353488][ T73] netlink_unicast+0x449/0x710 [ 6878.353488][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.353488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.353488][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.353488][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.353488][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.353488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.353488][ T73] [ 6878.355192][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6878.355192][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6878.355192][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6878.355192][ T73] ipv6_find_idev+0x102/0x170 [ 6878.355192][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6878.355192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6878.355192][ T73] netlink_rcv_skb+0x130/0x360 [ 6878.355192][ T73] netlink_unicast+0x449/0x710 [ 6878.355192][ T73] netlink_sendmsg+0x723/0xbe0 [ 6878.355192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6878.355192][ T73] ___sys_sendmsg+0xee/0x170 [ 6878.355192][ T73] __sys_sendmsg+0xcd/0x170 [ 6878.355192][ T73] do_syscall_64+0xc6/0x1e0 [ 6878.355192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6878.355192][ T73] [ 6888.422892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6888.423340][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.423340][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6888.423340][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6888.423340][ T73] fib6_nh_init+0xa22/0x1580 [ 6888.423340][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.423340][ T73] ip6_route_add+0x1c/0x140 [ 6888.423340][ T73] inet6_rtm_newroute+0x104/0x110 [ 6888.423340][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.423340][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.423340][ T73] netlink_unicast+0x449/0x710 [ 6888.423340][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.423340][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.423340][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.423340][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.423340][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.423340][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.423340][ T73] [ 6888.425289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.425289][ T73] dst_init+0x84/0x4a0 [ 6888.425289][ T73] dst_alloc+0x97/0x150 [ 6888.425289][ T73] ip6_dst_alloc+0x23/0x90 [ 6888.425289][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6888.425289][ T73] ip6_pol_route+0x56f/0x840 [ 6888.425289][ T73] fib6_rule_lookup+0x456/0x630 [ 6888.425289][ T73] ip6_route_input+0x59c/0xa50 [ 6888.425289][ T73] ipv6_rcv+0x397/0x810 [ 6888.425289][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6888.425289][ T73] process_backlog+0x101/0x620 [ 6888.425289][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6888.425289][ T73] net_rx_action+0x495/0xbe0 [ 6888.425289][ T73] __do_softirq+0x1b5/0x7f6 [ 6888.425289][ T73] [ 6888.427455][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.427455][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.427455][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.427455][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.427455][ T73] ip6_route_add+0x1c/0x140 [ 6888.427455][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6888.427455][ T73] inet6_addr_add+0x4f8/0xa40 [ 6888.427455][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.427455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.427455][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.427455][ T73] netlink_unicast+0x449/0x710 [ 6888.427455][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.427455][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.427455][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.427455][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.427455][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.427455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.427455][ T73] [ 6888.429844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.429844][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.429844][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.429844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.429844][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6888.429844][ T73] ipv6_add_addr+0x411/0x2000 [ 6888.429844][ T73] inet6_addr_add+0x30e/0xa40 [ 6888.429844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.429844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.429844][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.429844][ T73] netlink_unicast+0x449/0x710 [ 6888.429844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.429844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.429844][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.429844][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.429844][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.429844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.429844][ T73] [ 6888.431841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.431841][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.431841][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.431841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.431841][ T73] ip6_route_add+0x1c/0x140 [ 6888.431841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6888.431841][ T73] addrconf_add_dev+0xe2/0x170 [ 6888.431841][ T73] inet6_addr_add+0x12f/0xa40 [ 6888.431841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.431841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.431841][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.431841][ T73] netlink_unicast+0x449/0x710 [ 6888.431841][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.431841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.431841][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.431841][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.431841][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.431841][ T73] [ 6888.433778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.433778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6888.433778][ T73] ipv6_find_idev+0x102/0x170 [ 6888.433778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.433778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.433778][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.433778][ T73] netlink_unicast+0x449/0x710 [ 6888.433778][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.433778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.433778][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.433778][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.433778][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.433778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.433778][ T73] [ 6888.435682][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6888.435682][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6888.435682][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6888.435682][ T73] ipv6_find_idev+0x102/0x170 [ 6888.435682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.435682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.435682][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.435682][ T73] netlink_unicast+0x449/0x710 [ 6888.435682][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.435682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.435682][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.435682][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.435682][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.435682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.435682][ T73] [ 6888.437365][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6888.437639][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.437639][ T73] dst_init+0x84/0x4a0 [ 6888.437639][ T73] dst_alloc+0x97/0x150 [ 6888.437639][ T73] ip6_dst_alloc+0x23/0x90 [ 6888.437639][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6888.437639][ T73] ip6_pol_route+0x56f/0x840 [ 6888.437639][ T73] fib6_rule_lookup+0x456/0x630 [ 6888.437639][ T73] ip6_route_input+0x59c/0xa50 [ 6888.437639][ T73] ipv6_rcv+0x397/0x810 [ 6888.437639][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6888.437639][ T73] process_backlog+0x101/0x620 [ 6888.437639][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6888.437639][ T73] net_rx_action+0x495/0xbe0 [ 6888.437639][ T73] __do_softirq+0x1b5/0x7f6 [ 6888.437639][ T73] [ 6888.439313][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.439313][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.439313][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.439313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.439313][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6888.439313][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6888.439313][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6888.439313][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6888.439313][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6888.439313][ T73] addrconf_dad_begin+0x310/0x670 [ 6888.439313][ T73] addrconf_dad_work+0x10b/0xab0 [ 6888.439313][ T73] process_one_work+0x84d/0x18a0 [ 6888.439313][ T73] worker_thread+0x587/0xd30 [ 6888.439313][ T73] kthread+0x28a/0x350 [ 6888.439313][ T73] ret_from_fork+0x31/0x70 [ 6888.439313][ T73] ret_from_fork_asm+0x1a/0x30 [ 6888.439313][ T73] [ 6888.441560][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.441560][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.441560][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.441560][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.441560][ T73] ip6_route_add+0x1c/0x140 [ 6888.441560][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6888.441560][ T73] inet6_addr_add+0x4f8/0xa40 [ 6888.441560][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.441560][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.441560][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.441560][ T73] netlink_unicast+0x449/0x710 [ 6888.441560][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.441560][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.441560][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.441560][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.441560][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.441560][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.441560][ T73] [ 6888.443569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.443569][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.443569][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.443569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.443569][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6888.443569][ T73] ipv6_add_addr+0x411/0x2000 [ 6888.443569][ T73] inet6_addr_add+0x30e/0xa40 [ 6888.443569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.443569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.443569][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.443569][ T73] netlink_unicast+0x449/0x710 [ 6888.443569][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.443569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.443569][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.443569][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.443569][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.443569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.443569][ T73] [ 6888.445557][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.445557][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.445557][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.445557][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.445557][ T73] ip6_route_add+0x1c/0x140 [ 6888.445557][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6888.445557][ T73] addrconf_add_dev+0xe2/0x170 [ 6888.445557][ T73] inet6_addr_add+0x12f/0xa40 [ 6888.445557][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.445557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.445557][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.445557][ T73] netlink_unicast+0x449/0x710 [ 6888.445557][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.445557][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.445557][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.445557][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.445557][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.445557][ T73] [ 6888.447473][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.447473][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6888.447473][ T73] ipv6_find_idev+0x102/0x170 [ 6888.447473][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.447473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.447473][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.447473][ T73] netlink_unicast+0x449/0x710 [ 6888.447473][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.447473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.447473][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.447473][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.447473][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.447473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.447473][ T73] [ 6888.448975][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6888.448975][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6888.448975][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6888.448975][ T73] ipv6_find_idev+0x102/0x170 [ 6888.448975][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.448975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.448975][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.448975][ T73] netlink_unicast+0x449/0x710 [ 6888.448975][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.448975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.448975][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.448975][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.448975][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.448975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.448975][ T73] [ 6888.450628][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6888.450991][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.450991][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6888.450991][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6888.450991][ T73] fib6_nh_init+0xa22/0x1580 [ 6888.450991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.450991][ T73] ip6_route_add+0x1c/0x140 [ 6888.450991][ T73] inet6_rtm_newroute+0x104/0x110 [ 6888.450991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.450991][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.450991][ T73] netlink_unicast+0x449/0x710 [ 6888.450991][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.450991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.450991][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.450991][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.450991][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.450991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.450991][ T73] [ 6888.453077][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.453077][ T73] dst_init+0x84/0x4a0 [ 6888.453077][ T73] dst_alloc+0x97/0x150 [ 6888.453077][ T73] ip6_dst_alloc+0x23/0x90 [ 6888.453077][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6888.453077][ T73] ip6_pol_route+0x56f/0x840 [ 6888.453077][ T73] fib6_rule_lookup+0x456/0x630 [ 6888.453077][ T73] ip6_route_input+0x59c/0xa50 [ 6888.453077][ T73] ipv6_rcv+0x397/0x810 [ 6888.453077][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6888.453077][ T73] process_backlog+0x101/0x620 [ 6888.453077][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6888.453077][ T73] net_rx_action+0x495/0xbe0 [ 6888.453077][ T73] __do_softirq+0x1b5/0x7f6 [ 6888.453077][ T73] [ 6888.454872][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.454872][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.454872][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.454872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.454872][ T73] ip6_route_add+0x1c/0x140 [ 6888.454872][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6888.454872][ T73] inet6_addr_add+0x4f8/0xa40 [ 6888.454872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.454872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.454872][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.454872][ T73] netlink_unicast+0x449/0x710 [ 6888.454872][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.454872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.454872][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.454872][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.454872][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.454872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.454872][ T73] [ 6888.457127][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.457127][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.457127][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.457127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.457127][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6888.457127][ T73] ipv6_add_addr+0x411/0x2000 [ 6888.457127][ T73] inet6_addr_add+0x30e/0xa40 [ 6888.457127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.457127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.457127][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.457127][ T73] netlink_unicast+0x449/0x710 [ 6888.457127][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.457127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.457127][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.457127][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.457127][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.457127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.457127][ T73] [ 6888.459385][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.459385][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.459385][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.459385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.459385][ T73] ip6_route_add+0x1c/0x140 [ 6888.459385][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6888.459385][ T73] addrconf_add_dev+0xe2/0x170 [ 6888.459385][ T73] inet6_addr_add+0x12f/0xa40 [ 6888.459385][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.459385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.459385][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.459385][ T73] netlink_unicast+0x449/0x710 [ 6888.459385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.459385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.459385][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.459385][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.459385][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.459385][ T73] [ 6888.461607][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.461607][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6888.461607][ T73] ipv6_find_idev+0x102/0x170 [ 6888.461607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.461607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.461607][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.461607][ T73] netlink_unicast+0x449/0x710 [ 6888.461607][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.461607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.461607][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.461607][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.461607][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.461607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.461607][ T73] [ 6888.463409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6888.463409][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6888.463409][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6888.463409][ T73] ipv6_find_idev+0x102/0x170 [ 6888.463409][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.463409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.463409][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.463409][ T73] netlink_unicast+0x449/0x710 [ 6888.463409][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.463409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.463409][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.463409][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.463409][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.463409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.463409][ T73] [ 6888.465309][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6888.465577][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6888.465577][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.465577][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.465577][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.465577][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6888.465577][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6888.465577][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6888.465577][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6888.465577][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6888.465577][ T73] addrconf_dad_begin+0x310/0x670 [ 6888.465577][ T73] addrconf_dad_work+0x10b/0xab0 [ 6888.465577][ T73] process_one_work+0x84d/0x18a0 [ 6888.465577][ T73] worker_thread+0x587/0xd30 [ 6888.465577][ T73] kthread+0x28a/0x350 [ 6888.465577][ T73] ret_from_fork+0x31/0x70 [ 6888.465577][ T73] ret_from_fork_asm+0x1a/0x30 [ 6888.465577][ T73] [ 6888.467719][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6888.467719][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.467719][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.467719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.467719][ T73] ip6_route_add+0x1c/0x140 [ 6888.467719][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6888.467719][ T73] inet6_addr_add+0x4f8/0xa40 [ 6888.467719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.467719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.467719][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.467719][ T73] netlink_unicast+0x449/0x710 [ 6888.467719][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.467719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.467719][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.467719][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.467719][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.467719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.467719][ T73] [ 6888.469981][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6888.469981][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.469981][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.469981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.469981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6888.469981][ T73] ipv6_add_addr+0x411/0x2000 [ 6888.469981][ T73] inet6_addr_add+0x30e/0xa40 [ 6888.469981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.469981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.469981][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.469981][ T73] netlink_unicast+0x449/0x710 [ 6888.469981][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.469981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.469981][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.469981][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.469981][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.469981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.469981][ T73] [ 6888.472300][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6888.472300][ T73] netdev_get_by_index+0x5e/0x80 [ 6888.472300][ T73] fib6_nh_init+0x3d8/0x1580 [ 6888.472300][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6888.472300][ T73] ip6_route_add+0x1c/0x140 [ 6888.472300][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6888.472300][ T73] addrconf_add_dev+0xe2/0x170 [ 6888.472300][ T73] inet6_addr_add+0x12f/0xa40 [ 6888.472300][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6888.472300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.472300][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.472300][ T73] netlink_unicast+0x449/0x710 [ 6888.472300][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.472300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.472300][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.472300][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.472300][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.472300][ T73] [ 6888.474478][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6888.474478][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6888.474478][ T73] ipv6_find_idev+0x102/0x170 [ 6888.474478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.474478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.474478][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.474478][ T73] netlink_unicast+0x449/0x710 [ 6888.474478][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.474478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.474478][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.474478][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.474478][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.474478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.474478][ T73] [ 6888.476222][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6888.476222][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6888.476222][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6888.476222][ T73] ipv6_find_idev+0x102/0x170 [ 6888.476222][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6888.476222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6888.476222][ T73] netlink_rcv_skb+0x130/0x360 [ 6888.476222][ T73] netlink_unicast+0x449/0x710 [ 6888.476222][ T73] netlink_sendmsg+0x723/0xbe0 [ 6888.476222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6888.476222][ T73] ___sys_sendmsg+0xee/0x170 [ 6888.476222][ T73] __sys_sendmsg+0xcd/0x170 [ 6888.476222][ T73] do_syscall_64+0xc6/0x1e0 [ 6888.476222][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6888.476222][ T73] [ 6898.478897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6898.479352][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.479352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6898.479352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6898.479352][ T73] fib6_nh_init+0xa22/0x1580 [ 6898.479352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.479352][ T73] ip6_route_add+0x1c/0x140 [ 6898.479352][ T73] inet6_rtm_newroute+0x104/0x110 [ 6898.479352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.479352][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.479352][ T73] netlink_unicast+0x449/0x710 [ 6898.479352][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.479352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.479352][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.479352][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.479352][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.479352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.479352][ T73] [ 6898.481233][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.481233][ T73] dst_init+0x84/0x4a0 [ 6898.481233][ T73] dst_alloc+0x97/0x150 [ 6898.481233][ T73] ip6_dst_alloc+0x23/0x90 [ 6898.481233][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6898.481233][ T73] ip6_pol_route+0x56f/0x840 [ 6898.481233][ T73] fib6_rule_lookup+0x456/0x630 [ 6898.481233][ T73] ip6_route_input+0x59c/0xa50 [ 6898.481233][ T73] ipv6_rcv+0x397/0x810 [ 6898.481233][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6898.481233][ T73] process_backlog+0x101/0x620 [ 6898.481233][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6898.481233][ T73] net_rx_action+0x495/0xbe0 [ 6898.481233][ T73] __do_softirq+0x1b5/0x7f6 [ 6898.481233][ T73] [ 6898.482859][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.482859][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.482859][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.482859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.482859][ T73] ip6_route_add+0x1c/0x140 [ 6898.482859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6898.482859][ T73] inet6_addr_add+0x4f8/0xa40 [ 6898.482859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.482859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.482859][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.482859][ T73] netlink_unicast+0x449/0x710 [ 6898.482859][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.482859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.482859][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.482859][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.482859][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.482859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.482859][ T73] [ 6898.484830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.484830][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.484830][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.484830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.484830][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6898.484830][ T73] ipv6_add_addr+0x411/0x2000 [ 6898.484830][ T73] inet6_addr_add+0x30e/0xa40 [ 6898.484830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.484830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.484830][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.484830][ T73] netlink_unicast+0x449/0x710 [ 6898.484830][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.484830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.484830][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.484830][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.484830][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.484830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.484830][ T73] [ 6898.486828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.486828][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.486828][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.486828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.486828][ T73] ip6_route_add+0x1c/0x140 [ 6898.486828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6898.486828][ T73] addrconf_add_dev+0xe2/0x170 [ 6898.486828][ T73] inet6_addr_add+0x12f/0xa40 [ 6898.486828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.486828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.486828][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.486828][ T73] netlink_unicast+0x449/0x710 [ 6898.486828][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.486828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.486828][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.486828][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.486828][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.486828][ T73] [ 6898.488768][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.488768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6898.488768][ T73] ipv6_find_idev+0x102/0x170 [ 6898.488768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.488768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.488768][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.488768][ T73] netlink_unicast+0x449/0x710 [ 6898.488768][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.488768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.488768][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.488768][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.488768][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.488768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.488768][ T73] [ 6898.490303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6898.490303][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6898.490303][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6898.490303][ T73] ipv6_find_idev+0x102/0x170 [ 6898.490303][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.490303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.490303][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.490303][ T73] netlink_unicast+0x449/0x710 [ 6898.490303][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.490303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.490303][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.490303][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.490303][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.490303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.490303][ T73] [ 6898.492000][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6898.492267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.492267][ T73] dst_init+0x84/0x4a0 [ 6898.492267][ T73] dst_alloc+0x97/0x150 [ 6898.492267][ T73] ip6_dst_alloc+0x23/0x90 [ 6898.492267][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6898.492267][ T73] ip6_pol_route+0x56f/0x840 [ 6898.492267][ T73] fib6_rule_lookup+0x456/0x630 [ 6898.492267][ T73] ip6_route_input+0x59c/0xa50 [ 6898.492267][ T73] ipv6_rcv+0x397/0x810 [ 6898.492267][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6898.492267][ T73] process_backlog+0x101/0x620 [ 6898.492267][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6898.492267][ T73] net_rx_action+0x495/0xbe0 [ 6898.492267][ T73] __do_softirq+0x1b5/0x7f6 [ 6898.492267][ T73] [ 6898.493894][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.493894][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.493894][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.493894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.493894][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6898.493894][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6898.493894][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6898.493894][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6898.493894][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6898.493894][ T73] addrconf_dad_begin+0x310/0x670 [ 6898.493894][ T73] addrconf_dad_work+0x10b/0xab0 [ 6898.493894][ T73] process_one_work+0x84d/0x18a0 [ 6898.493894][ T73] worker_thread+0x587/0xd30 [ 6898.493894][ T73] kthread+0x28a/0x350 [ 6898.493894][ T73] ret_from_fork+0x31/0x70 [ 6898.493894][ T73] ret_from_fork_asm+0x1a/0x30 [ 6898.493894][ T73] [ 6898.495807][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.495807][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.495807][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.495807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.495807][ T73] ip6_route_add+0x1c/0x140 [ 6898.495807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6898.495807][ T73] inet6_addr_add+0x4f8/0xa40 [ 6898.495807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.495807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.495807][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.495807][ T73] netlink_unicast+0x449/0x710 [ 6898.495807][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.495807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.495807][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.495807][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.495807][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.495807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.495807][ T73] [ 6898.497789][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.497789][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.497789][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.497789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.497789][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6898.497789][ T73] ipv6_add_addr+0x411/0x2000 [ 6898.497789][ T73] inet6_addr_add+0x30e/0xa40 [ 6898.497789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.497789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.497789][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.497789][ T73] netlink_unicast+0x449/0x710 [ 6898.497789][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.497789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.497789][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.497789][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.497789][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.497789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.497789][ T73] [ 6898.499779][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.499779][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.499779][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.499779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.499779][ T73] ip6_route_add+0x1c/0x140 [ 6898.499779][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6898.499779][ T73] addrconf_add_dev+0xe2/0x170 [ 6898.499779][ T73] inet6_addr_add+0x12f/0xa40 [ 6898.499779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.499779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.499779][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.499779][ T73] netlink_unicast+0x449/0x710 [ 6898.499779][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.499779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.499779][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.499779][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.499779][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.499779][ T73] [ 6898.501727][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.501727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6898.501727][ T73] ipv6_find_idev+0x102/0x170 [ 6898.501727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.501727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.501727][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.501727][ T73] netlink_unicast+0x449/0x710 [ 6898.501727][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.501727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.501727][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.501727][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.501727][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.501727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.501727][ T73] [ 6898.503251][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6898.503251][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6898.503251][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6898.503251][ T73] ipv6_find_idev+0x102/0x170 [ 6898.503251][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.503251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.503251][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.503251][ T73] netlink_unicast+0x449/0x710 [ 6898.503251][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.503251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.503251][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.503251][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.503251][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.503251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.503251][ T73] [ 6898.505038][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6898.505377][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.505377][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6898.505377][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6898.505377][ T73] fib6_nh_init+0xa22/0x1580 [ 6898.505377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.505377][ T73] ip6_route_add+0x1c/0x140 [ 6898.505377][ T73] inet6_rtm_newroute+0x104/0x110 [ 6898.505377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.505377][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.505377][ T73] netlink_unicast+0x449/0x710 [ 6898.505377][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.505377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.505377][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.505377][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.505377][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.505377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.505377][ T73] [ 6898.507419][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.507419][ T73] dst_init+0x84/0x4a0 [ 6898.507419][ T73] dst_alloc+0x97/0x150 [ 6898.507419][ T73] ip6_dst_alloc+0x23/0x90 [ 6898.507419][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6898.507419][ T73] ip6_pol_route+0x56f/0x840 [ 6898.507419][ T73] fib6_rule_lookup+0x456/0x630 [ 6898.507419][ T73] ip6_route_input+0x59c/0xa50 [ 6898.507419][ T73] ipv6_rcv+0x397/0x810 [ 6898.507419][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6898.507419][ T73] process_backlog+0x101/0x620 [ 6898.507419][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6898.507419][ T73] net_rx_action+0x495/0xbe0 [ 6898.507419][ T73] __do_softirq+0x1b5/0x7f6 [ 6898.507419][ T73] [ 6898.509237][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.509237][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.509237][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.509237][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.509237][ T73] ip6_route_add+0x1c/0x140 [ 6898.509237][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6898.509237][ T73] inet6_addr_add+0x4f8/0xa40 [ 6898.509237][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.509237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.509237][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.509237][ T73] netlink_unicast+0x449/0x710 [ 6898.509237][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.509237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.509237][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.509237][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.509237][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.509237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.509237][ T73] [ 6898.511407][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.511407][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.511407][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.511407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.511407][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6898.511407][ T73] ipv6_add_addr+0x411/0x2000 [ 6898.511407][ T73] inet6_addr_add+0x30e/0xa40 [ 6898.511407][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.511407][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.511407][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.511407][ T73] netlink_unicast+0x449/0x710 [ 6898.511407][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.511407][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.511407][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.511407][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.511407][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.511407][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.511407][ T73] [ 6898.513574][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.513574][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.513574][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.513574][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.513574][ T73] ip6_route_add+0x1c/0x140 [ 6898.513574][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6898.513574][ T73] addrconf_add_dev+0xe2/0x170 [ 6898.513574][ T73] inet6_addr_add+0x12f/0xa40 [ 6898.513574][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.513574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.513574][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.513574][ T73] netlink_unicast+0x449/0x710 [ 6898.513574][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.513574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.513574][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.513574][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.513574][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.513574][ T73] [ 6898.515822][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.515822][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6898.515822][ T73] ipv6_find_idev+0x102/0x170 [ 6898.515822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.515822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.515822][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.515822][ T73] netlink_unicast+0x449/0x710 [ 6898.515822][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.515822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.515822][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.515822][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.515822][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.515822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.515822][ T73] [ 6898.517535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6898.517535][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6898.517535][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6898.517535][ T73] ipv6_find_idev+0x102/0x170 [ 6898.517535][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.517535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.517535][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.517535][ T73] netlink_unicast+0x449/0x710 [ 6898.517535][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.517535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.517535][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.517535][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.517535][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.517535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.517535][ T73] [ 6898.519380][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6898.519647][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6898.519647][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.519647][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.519647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.519647][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6898.519647][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6898.519647][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6898.519647][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6898.519647][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6898.519647][ T73] addrconf_dad_begin+0x310/0x670 [ 6898.519647][ T73] addrconf_dad_work+0x10b/0xab0 [ 6898.519647][ T73] process_one_work+0x84d/0x18a0 [ 6898.519647][ T73] worker_thread+0x587/0xd30 [ 6898.519647][ T73] kthread+0x28a/0x350 [ 6898.519647][ T73] ret_from_fork+0x31/0x70 [ 6898.519647][ T73] ret_from_fork_asm+0x1a/0x30 [ 6898.519647][ T73] [ 6898.521779][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6898.521779][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.521779][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.521779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.521779][ T73] ip6_route_add+0x1c/0x140 [ 6898.521779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6898.521779][ T73] inet6_addr_add+0x4f8/0xa40 [ 6898.521779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.521779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.521779][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.521779][ T73] netlink_unicast+0x449/0x710 [ 6898.521779][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.521779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.521779][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.521779][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.521779][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.521779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.521779][ T73] [ 6898.524004][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6898.524004][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.524004][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.524004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.524004][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6898.524004][ T73] ipv6_add_addr+0x411/0x2000 [ 6898.524004][ T73] inet6_addr_add+0x30e/0xa40 [ 6898.524004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.524004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.524004][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.524004][ T73] netlink_unicast+0x449/0x710 [ 6898.524004][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.524004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.524004][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.524004][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.524004][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.524004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.524004][ T73] [ 6898.526228][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6898.526228][ T73] netdev_get_by_index+0x5e/0x80 [ 6898.526228][ T73] fib6_nh_init+0x3d8/0x1580 [ 6898.526228][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6898.526228][ T73] ip6_route_add+0x1c/0x140 [ 6898.526228][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6898.526228][ T73] addrconf_add_dev+0xe2/0x170 [ 6898.526228][ T73] inet6_addr_add+0x12f/0xa40 [ 6898.526228][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6898.526228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.526228][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.526228][ T73] netlink_unicast+0x449/0x710 [ 6898.526228][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.526228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.526228][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.526228][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.526228][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.526228][ T73] [ 6898.528360][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6898.528360][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6898.528360][ T73] ipv6_find_idev+0x102/0x170 [ 6898.528360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.528360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.528360][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.528360][ T73] netlink_unicast+0x449/0x710 [ 6898.528360][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.528360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.528360][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.528360][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.528360][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.528360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.528360][ T73] [ 6898.530072][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6898.530072][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6898.530072][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6898.530072][ T73] ipv6_find_idev+0x102/0x170 [ 6898.530072][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6898.530072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6898.530072][ T73] netlink_rcv_skb+0x130/0x360 [ 6898.530072][ T73] netlink_unicast+0x449/0x710 [ 6898.530072][ T73] netlink_sendmsg+0x723/0xbe0 [ 6898.530072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6898.530072][ T73] ___sys_sendmsg+0xee/0x170 [ 6898.530072][ T73] __sys_sendmsg+0xcd/0x170 [ 6898.530072][ T73] do_syscall_64+0xc6/0x1e0 [ 6898.530072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6898.530072][ T73] [ 6908.774927][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6908.775380][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.775380][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6908.775380][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6908.775380][ T73] fib6_nh_init+0xa22/0x1580 [ 6908.775380][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.775380][ T73] ip6_route_add+0x1c/0x140 [ 6908.775380][ T73] inet6_rtm_newroute+0x104/0x110 [ 6908.775380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.775380][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.775380][ T73] netlink_unicast+0x449/0x710 [ 6908.775380][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.775380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.775380][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.775380][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.775380][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.775380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.775380][ T73] [ 6908.777262][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.777262][ T73] dst_init+0x84/0x4a0 [ 6908.777262][ T73] dst_alloc+0x97/0x150 [ 6908.777262][ T73] ip6_dst_alloc+0x23/0x90 [ 6908.777262][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6908.777262][ T73] ip6_pol_route+0x56f/0x840 [ 6908.777262][ T73] fib6_rule_lookup+0x456/0x630 [ 6908.777262][ T73] ip6_route_input+0x59c/0xa50 [ 6908.777262][ T73] ipv6_rcv+0x397/0x810 [ 6908.777262][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6908.777262][ T73] process_backlog+0x101/0x620 [ 6908.777262][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6908.777262][ T73] net_rx_action+0x495/0xbe0 [ 6908.777262][ T73] __do_softirq+0x1b5/0x7f6 [ 6908.777262][ T73] [ 6908.778895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.778895][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.778895][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.778895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.778895][ T73] ip6_route_add+0x1c/0x140 [ 6908.778895][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6908.778895][ T73] inet6_addr_add+0x4f8/0xa40 [ 6908.778895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.778895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.778895][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.778895][ T73] netlink_unicast+0x449/0x710 [ 6908.778895][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.778895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.778895][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.778895][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.778895][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.778895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.778895][ T73] [ 6908.780895][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.780895][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.780895][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.780895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.780895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6908.780895][ T73] ipv6_add_addr+0x411/0x2000 [ 6908.780895][ T73] inet6_addr_add+0x30e/0xa40 [ 6908.780895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.780895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.780895][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.780895][ T73] netlink_unicast+0x449/0x710 [ 6908.780895][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.780895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.780895][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.780895][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.780895][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.780895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.780895][ T73] [ 6908.782852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.782852][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.782852][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.782852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.782852][ T73] ip6_route_add+0x1c/0x140 [ 6908.782852][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6908.782852][ T73] addrconf_add_dev+0xe2/0x170 [ 6908.782852][ T73] inet6_addr_add+0x12f/0xa40 [ 6908.782852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.782852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.782852][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.782852][ T73] netlink_unicast+0x449/0x710 [ 6908.782852][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.782852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.782852][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.782852][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.782852][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.782852][ T73] [ 6908.784841][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.784841][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6908.784841][ T73] ipv6_find_idev+0x102/0x170 [ 6908.784841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.784841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.784841][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.784841][ T73] netlink_unicast+0x449/0x710 [ 6908.784841][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.784841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.784841][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.784841][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.784841][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.784841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.784841][ T73] [ 6908.786451][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6908.786451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6908.786451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6908.786451][ T73] ipv6_find_idev+0x102/0x170 [ 6908.786451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.786451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.786451][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.786451][ T73] netlink_unicast+0x449/0x710 [ 6908.786451][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.786451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.786451][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.786451][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.786451][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.786451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.786451][ T73] [ 6908.788111][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6908.788397][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.788397][ T73] dst_init+0x84/0x4a0 [ 6908.788397][ T73] dst_alloc+0x97/0x150 [ 6908.788397][ T73] ip6_dst_alloc+0x23/0x90 [ 6908.788397][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6908.788397][ T73] ip6_pol_route+0x56f/0x840 [ 6908.788397][ T73] fib6_rule_lookup+0x456/0x630 [ 6908.788397][ T73] ip6_route_input+0x59c/0xa50 [ 6908.788397][ T73] ipv6_rcv+0x397/0x810 [ 6908.788397][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6908.788397][ T73] process_backlog+0x101/0x620 [ 6908.788397][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6908.788397][ T73] net_rx_action+0x495/0xbe0 [ 6908.788397][ T73] __do_softirq+0x1b5/0x7f6 [ 6908.788397][ T73] [ 6908.790054][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.790054][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.790054][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.790054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.790054][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6908.790054][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6908.790054][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6908.790054][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6908.790054][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6908.790054][ T73] addrconf_dad_begin+0x310/0x670 [ 6908.790054][ T73] addrconf_dad_work+0x10b/0xab0 [ 6908.790054][ T73] process_one_work+0x84d/0x18a0 [ 6908.790054][ T73] worker_thread+0x587/0xd30 [ 6908.790054][ T73] kthread+0x28a/0x350 [ 6908.790054][ T73] ret_from_fork+0x31/0x70 [ 6908.790054][ T73] ret_from_fork_asm+0x1a/0x30 [ 6908.790054][ T73] [ 6908.791973][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.791973][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.791973][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.791973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.791973][ T73] ip6_route_add+0x1c/0x140 [ 6908.791973][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6908.791973][ T73] inet6_addr_add+0x4f8/0xa40 [ 6908.791973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.791973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.791973][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.791973][ T73] netlink_unicast+0x449/0x710 [ 6908.791973][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.791973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.791973][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.791973][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.791973][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.791973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.791973][ T73] [ 6908.794008][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.794008][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.794008][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.794008][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.794008][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6908.794008][ T73] ipv6_add_addr+0x411/0x2000 [ 6908.794008][ T73] inet6_addr_add+0x30e/0xa40 [ 6908.794008][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.794008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.794008][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.794008][ T73] netlink_unicast+0x449/0x710 [ 6908.794008][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.794008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.794008][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.794008][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.794008][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.794008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.794008][ T73] [ 6908.796040][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.796040][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.796040][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.796040][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.796040][ T73] ip6_route_add+0x1c/0x140 [ 6908.796040][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6908.796040][ T73] addrconf_add_dev+0xe2/0x170 [ 6908.796040][ T73] inet6_addr_add+0x12f/0xa40 [ 6908.796040][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.796040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.796040][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.796040][ T73] netlink_unicast+0x449/0x710 [ 6908.796040][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.796040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.796040][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.796040][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.796040][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.796040][ T73] [ 6908.798036][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.798036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6908.798036][ T73] ipv6_find_idev+0x102/0x170 [ 6908.798036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.798036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.798036][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.798036][ T73] netlink_unicast+0x449/0x710 [ 6908.798036][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.798036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.798036][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.798036][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.798036][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.798036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.798036][ T73] [ 6908.799587][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6908.799587][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6908.799587][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6908.799587][ T73] ipv6_find_idev+0x102/0x170 [ 6908.799587][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.799587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.799587][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.799587][ T73] netlink_unicast+0x449/0x710 [ 6908.799587][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.799587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.799587][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.799587][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.799587][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.799587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.799587][ T73] [ 6908.801333][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6908.801693][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.801693][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6908.801693][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6908.801693][ T73] fib6_nh_init+0xa22/0x1580 [ 6908.801693][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.801693][ T73] ip6_route_add+0x1c/0x140 [ 6908.801693][ T73] inet6_rtm_newroute+0x104/0x110 [ 6908.801693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.801693][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.801693][ T73] netlink_unicast+0x449/0x710 [ 6908.801693][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.801693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.801693][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.801693][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.801693][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.801693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.801693][ T73] [ 6908.803759][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.803759][ T73] dst_init+0x84/0x4a0 [ 6908.803759][ T73] dst_alloc+0x97/0x150 [ 6908.803759][ T73] ip6_dst_alloc+0x23/0x90 [ 6908.803759][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6908.803759][ T73] ip6_pol_route+0x56f/0x840 [ 6908.803759][ T73] fib6_rule_lookup+0x456/0x630 [ 6908.803759][ T73] ip6_route_input+0x59c/0xa50 [ 6908.803759][ T73] ipv6_rcv+0x397/0x810 [ 6908.803759][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6908.803759][ T73] process_backlog+0x101/0x620 [ 6908.803759][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6908.803759][ T73] net_rx_action+0x495/0xbe0 [ 6908.803759][ T73] __do_softirq+0x1b5/0x7f6 [ 6908.803759][ T73] [ 6908.805530][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.805530][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.805530][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.805530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.805530][ T73] ip6_route_add+0x1c/0x140 [ 6908.805530][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6908.805530][ T73] inet6_addr_add+0x4f8/0xa40 [ 6908.805530][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.805530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.805530][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.805530][ T73] netlink_unicast+0x449/0x710 [ 6908.805530][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.805530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.805530][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.805530][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.805530][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.805530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.805530][ T73] [ 6908.807773][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.807773][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.807773][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.807773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.807773][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6908.807773][ T73] ipv6_add_addr+0x411/0x2000 [ 6908.807773][ T73] inet6_addr_add+0x30e/0xa40 [ 6908.807773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.807773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.807773][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.807773][ T73] netlink_unicast+0x449/0x710 [ 6908.807773][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.807773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.807773][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.807773][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.807773][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.807773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.807773][ T73] [ 6908.810043][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.810043][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.810043][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.810043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.810043][ T73] ip6_route_add+0x1c/0x140 [ 6908.810043][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6908.810043][ T73] addrconf_add_dev+0xe2/0x170 [ 6908.810043][ T73] inet6_addr_add+0x12f/0xa40 [ 6908.810043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.810043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.810043][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.810043][ T73] netlink_unicast+0x449/0x710 [ 6908.810043][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.810043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.810043][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.810043][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.810043][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.810043][ T73] [ 6908.812300][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.812300][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6908.812300][ T73] ipv6_find_idev+0x102/0x170 [ 6908.812300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.812300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.812300][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.812300][ T73] netlink_unicast+0x449/0x710 [ 6908.812300][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.812300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.812300][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.812300][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.812300][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.812300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.812300][ T73] [ 6908.814028][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6908.814028][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6908.814028][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6908.814028][ T73] ipv6_find_idev+0x102/0x170 [ 6908.814028][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.814028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.814028][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.814028][ T73] netlink_unicast+0x449/0x710 [ 6908.814028][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.814028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.814028][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.814028][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.814028][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.814028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.814028][ T73] [ 6908.815905][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6908.816175][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6908.816175][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.816175][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.816175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.816175][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6908.816175][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6908.816175][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6908.816175][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6908.816175][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6908.816175][ T73] addrconf_dad_begin+0x310/0x670 [ 6908.816175][ T73] addrconf_dad_work+0x10b/0xab0 [ 6908.816175][ T73] process_one_work+0x84d/0x18a0 [ 6908.816175][ T73] worker_thread+0x587/0xd30 [ 6908.816175][ T73] kthread+0x28a/0x350 [ 6908.816175][ T73] ret_from_fork+0x31/0x70 [ 6908.816175][ T73] ret_from_fork_asm+0x1a/0x30 [ 6908.816175][ T73] [ 6908.818508][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6908.818508][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.818508][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.818508][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.818508][ T73] ip6_route_add+0x1c/0x140 [ 6908.818508][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6908.818508][ T73] inet6_addr_add+0x4f8/0xa40 [ 6908.818508][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.818508][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.818508][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.818508][ T73] netlink_unicast+0x449/0x710 [ 6908.818508][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.818508][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.818508][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.818508][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.818508][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.818508][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.818508][ T73] [ 6908.820758][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6908.820758][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.820758][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.820758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.820758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6908.820758][ T73] ipv6_add_addr+0x411/0x2000 [ 6908.820758][ T73] inet6_addr_add+0x30e/0xa40 [ 6908.820758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.820758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.820758][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.820758][ T73] netlink_unicast+0x449/0x710 [ 6908.820758][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.820758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.820758][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.820758][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.820758][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.820758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.820758][ T73] [ 6908.823003][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6908.823003][ T73] netdev_get_by_index+0x5e/0x80 [ 6908.823003][ T73] fib6_nh_init+0x3d8/0x1580 [ 6908.823003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6908.823003][ T73] ip6_route_add+0x1c/0x140 [ 6908.823003][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6908.823003][ T73] addrconf_add_dev+0xe2/0x170 [ 6908.823003][ T73] inet6_addr_add+0x12f/0xa40 [ 6908.823003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6908.823003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.823003][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.823003][ T73] netlink_unicast+0x449/0x710 [ 6908.823003][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.823003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.823003][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.823003][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.823003][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.823003][ T73] [ 6908.825149][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6908.825149][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6908.825149][ T73] ipv6_find_idev+0x102/0x170 [ 6908.825149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.825149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.825149][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.825149][ T73] netlink_unicast+0x449/0x710 [ 6908.825149][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.825149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.825149][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.825149][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.825149][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.825149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.825149][ T73] [ 6908.826934][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6908.826934][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6908.826934][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6908.826934][ T73] ipv6_find_idev+0x102/0x170 [ 6908.826934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6908.826934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6908.826934][ T73] netlink_rcv_skb+0x130/0x360 [ 6908.826934][ T73] netlink_unicast+0x449/0x710 [ 6908.826934][ T73] netlink_sendmsg+0x723/0xbe0 [ 6908.826934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6908.826934][ T73] ___sys_sendmsg+0xee/0x170 [ 6908.826934][ T73] __sys_sendmsg+0xcd/0x170 [ 6908.826934][ T73] do_syscall_64+0xc6/0x1e0 [ 6908.826934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6908.826934][ T73] [ 6919.070923][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6919.071315][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.071315][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6919.071315][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6919.071315][ T73] fib6_nh_init+0xa22/0x1580 [ 6919.071315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.071315][ T73] ip6_route_add+0x1c/0x140 [ 6919.071315][ T73] inet6_rtm_newroute+0x104/0x110 [ 6919.071315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.071315][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.071315][ T73] netlink_unicast+0x449/0x710 [ 6919.071315][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.071315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.071315][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.071315][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.071315][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.071315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.071315][ T73] [ 6919.073204][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.073204][ T73] dst_init+0x84/0x4a0 [ 6919.073204][ T73] dst_alloc+0x97/0x150 [ 6919.073204][ T73] ip6_dst_alloc+0x23/0x90 [ 6919.073204][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6919.073204][ T73] ip6_pol_route+0x56f/0x840 [ 6919.073204][ T73] fib6_rule_lookup+0x456/0x630 [ 6919.073204][ T73] ip6_route_input+0x59c/0xa50 [ 6919.073204][ T73] ipv6_rcv+0x397/0x810 [ 6919.073204][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6919.073204][ T73] process_backlog+0x101/0x620 [ 6919.073204][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6919.073204][ T73] net_rx_action+0x495/0xbe0 [ 6919.073204][ T73] __do_softirq+0x1b5/0x7f6 [ 6919.073204][ T73] [ 6919.074825][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.074825][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.074825][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.074825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.074825][ T73] ip6_route_add+0x1c/0x140 [ 6919.074825][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6919.074825][ T73] inet6_addr_add+0x4f8/0xa40 [ 6919.074825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.074825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.074825][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.074825][ T73] netlink_unicast+0x449/0x710 [ 6919.074825][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.074825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.074825][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.074825][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.074825][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.074825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.074825][ T73] [ 6919.076808][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.076808][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.076808][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.076808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.076808][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6919.076808][ T73] ipv6_add_addr+0x411/0x2000 [ 6919.076808][ T73] inet6_addr_add+0x30e/0xa40 [ 6919.076808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.076808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.076808][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.076808][ T73] netlink_unicast+0x449/0x710 [ 6919.076808][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.076808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.076808][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.076808][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.076808][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.076808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.076808][ T73] [ 6919.078830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.078830][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.078830][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.078830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.078830][ T73] ip6_route_add+0x1c/0x140 [ 6919.078830][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6919.078830][ T73] addrconf_add_dev+0xe2/0x170 [ 6919.078830][ T73] inet6_addr_add+0x12f/0xa40 [ 6919.078830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.078830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.078830][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.078830][ T73] netlink_unicast+0x449/0x710 [ 6919.078830][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.078830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.078830][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.078830][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.078830][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.078830][ T73] [ 6919.080780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.080780][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6919.080780][ T73] ipv6_find_idev+0x102/0x170 [ 6919.080780][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.080780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.080780][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.080780][ T73] netlink_unicast+0x449/0x710 [ 6919.080780][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.080780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.080780][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.080780][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.080780][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.080780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.080780][ T73] [ 6919.082309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6919.082309][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6919.082309][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6919.082309][ T73] ipv6_find_idev+0x102/0x170 [ 6919.082309][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.082309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.082309][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.082309][ T73] netlink_unicast+0x449/0x710 [ 6919.082309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.082309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.082309][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.082309][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.082309][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.082309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.082309][ T73] [ 6919.083985][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6919.084257][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.084257][ T73] dst_init+0x84/0x4a0 [ 6919.084257][ T73] dst_alloc+0x97/0x150 [ 6919.084257][ T73] ip6_dst_alloc+0x23/0x90 [ 6919.084257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6919.084257][ T73] ip6_pol_route+0x56f/0x840 [ 6919.084257][ T73] fib6_rule_lookup+0x456/0x630 [ 6919.084257][ T73] ip6_route_input+0x59c/0xa50 [ 6919.084257][ T73] ipv6_rcv+0x397/0x810 [ 6919.084257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6919.084257][ T73] process_backlog+0x101/0x620 [ 6919.084257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6919.084257][ T73] net_rx_action+0x495/0xbe0 [ 6919.084257][ T73] __do_softirq+0x1b5/0x7f6 [ 6919.084257][ T73] [ 6919.085886][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.085886][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.085886][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.085886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.085886][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6919.085886][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6919.085886][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6919.085886][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6919.085886][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6919.085886][ T73] addrconf_dad_begin+0x310/0x670 [ 6919.085886][ T73] addrconf_dad_work+0x10b/0xab0 [ 6919.085886][ T73] process_one_work+0x84d/0x18a0 [ 6919.085886][ T73] worker_thread+0x587/0xd30 [ 6919.085886][ T73] kthread+0x28a/0x350 [ 6919.085886][ T73] ret_from_fork+0x31/0x70 [ 6919.085886][ T73] ret_from_fork_asm+0x1a/0x30 [ 6919.085886][ T73] [ 6919.087775][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.087775][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.087775][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.087775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.087775][ T73] ip6_route_add+0x1c/0x140 [ 6919.087775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6919.087775][ T73] inet6_addr_add+0x4f8/0xa40 [ 6919.087775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.087775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.087775][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.087775][ T73] netlink_unicast+0x449/0x710 [ 6919.087775][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.087775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.087775][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.087775][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.087775][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.087775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.087775][ T73] [ 6919.089765][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.089765][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.089765][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.089765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.089765][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6919.089765][ T73] ipv6_add_addr+0x411/0x2000 [ 6919.089765][ T73] inet6_addr_add+0x30e/0xa40 [ 6919.089765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.089765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.089765][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.089765][ T73] netlink_unicast+0x449/0x710 [ 6919.089765][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.089765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.089765][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.089765][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.089765][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.089765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.089765][ T73] [ 6919.092266][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.092266][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.092266][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.092266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.092266][ T73] ip6_route_add+0x1c/0x140 [ 6919.092266][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6919.092266][ T73] addrconf_add_dev+0xe2/0x170 [ 6919.092266][ T73] inet6_addr_add+0x12f/0xa40 [ 6919.092266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.092266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.092266][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.092266][ T73] netlink_unicast+0x449/0x710 [ 6919.092266][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.092266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.092266][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.092266][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.092266][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.092266][ T73] [ 6919.094208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.094208][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6919.094208][ T73] ipv6_find_idev+0x102/0x170 [ 6919.094208][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.094208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.094208][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.094208][ T73] netlink_unicast+0x449/0x710 [ 6919.094208][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.094208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.094208][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.094208][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.094208][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.094208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.094208][ T73] [ 6919.095730][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6919.095730][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6919.095730][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6919.095730][ T73] ipv6_find_idev+0x102/0x170 [ 6919.095730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.095730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.095730][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.095730][ T73] netlink_unicast+0x449/0x710 [ 6919.095730][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.095730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.095730][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.095730][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.095730][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.095730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.095730][ T73] [ 6919.097547][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6919.097891][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.097891][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6919.097891][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6919.097891][ T73] fib6_nh_init+0xa22/0x1580 [ 6919.097891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.097891][ T73] ip6_route_add+0x1c/0x140 [ 6919.097891][ T73] inet6_rtm_newroute+0x104/0x110 [ 6919.097891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.097891][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.097891][ T73] netlink_unicast+0x449/0x710 [ 6919.097891][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.097891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.097891][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.097891][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.097891][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.097891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.097891][ T73] [ 6919.100010][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.100010][ T73] dst_init+0x84/0x4a0 [ 6919.100010][ T73] dst_alloc+0x97/0x150 [ 6919.100010][ T73] ip6_dst_alloc+0x23/0x90 [ 6919.100010][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6919.100010][ T73] ip6_pol_route+0x56f/0x840 [ 6919.100010][ T73] fib6_rule_lookup+0x456/0x630 [ 6919.100010][ T73] ip6_route_input+0x59c/0xa50 [ 6919.100010][ T73] ipv6_rcv+0x397/0x810 [ 6919.100010][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6919.100010][ T73] process_backlog+0x101/0x620 [ 6919.100010][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6919.100010][ T73] net_rx_action+0x495/0xbe0 [ 6919.100010][ T73] __do_softirq+0x1b5/0x7f6 [ 6919.100010][ T73] [ 6919.102308][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.102308][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.102308][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.102308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.102308][ T73] ip6_route_add+0x1c/0x140 [ 6919.102308][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6919.102308][ T73] inet6_addr_add+0x4f8/0xa40 [ 6919.102308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.102308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.102308][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.102308][ T73] netlink_unicast+0x449/0x710 [ 6919.102308][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.102308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.102308][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.102308][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.102308][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.102308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.102308][ T73] [ 6919.104531][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.104531][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.104531][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.104531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.104531][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6919.104531][ T73] ipv6_add_addr+0x411/0x2000 [ 6919.104531][ T73] inet6_addr_add+0x30e/0xa40 [ 6919.104531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.104531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.104531][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.104531][ T73] netlink_unicast+0x449/0x710 [ 6919.104531][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.104531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.104531][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.104531][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.104531][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.104531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.104531][ T73] [ 6919.106751][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.106751][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.106751][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.106751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.106751][ T73] ip6_route_add+0x1c/0x140 [ 6919.106751][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6919.106751][ T73] addrconf_add_dev+0xe2/0x170 [ 6919.106751][ T73] inet6_addr_add+0x12f/0xa40 [ 6919.106751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.106751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.106751][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.106751][ T73] netlink_unicast+0x449/0x710 [ 6919.106751][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.106751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.106751][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.106751][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.106751][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.106751][ T73] [ 6919.109016][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.109016][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6919.109016][ T73] ipv6_find_idev+0x102/0x170 [ 6919.109016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.109016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.109016][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.109016][ T73] netlink_unicast+0x449/0x710 [ 6919.109016][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.109016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.109016][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.109016][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.109016][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.109016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.109016][ T73] [ 6919.110716][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6919.110716][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6919.110716][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6919.110716][ T73] ipv6_find_idev+0x102/0x170 [ 6919.110716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.110716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.110716][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.110716][ T73] netlink_unicast+0x449/0x710 [ 6919.110716][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.110716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.110716][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.110716][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.110716][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.110716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.110716][ T73] [ 6919.112561][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6919.113269][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6919.113269][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.113269][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.113269][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.113269][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6919.113269][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6919.113269][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6919.113269][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6919.113269][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6919.113269][ T73] addrconf_dad_begin+0x310/0x670 [ 6919.113269][ T73] addrconf_dad_work+0x10b/0xab0 [ 6919.113269][ T73] process_one_work+0x84d/0x18a0 [ 6919.113269][ T73] worker_thread+0x587/0xd30 [ 6919.113269][ T73] kthread+0x28a/0x350 [ 6919.113269][ T73] ret_from_fork+0x31/0x70 [ 6919.113269][ T73] ret_from_fork_asm+0x1a/0x30 [ 6919.113269][ T73] [ 6919.115164][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6919.115164][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.115164][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.115164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.115164][ T73] ip6_route_add+0x1c/0x140 [ 6919.115164][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6919.115164][ T73] inet6_addr_add+0x4f8/0xa40 [ 6919.115164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.115164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.115164][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.115164][ T73] netlink_unicast+0x449/0x710 [ 6919.115164][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.115164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.115164][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.115164][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.115164][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.115164][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.115164][ T73] [ 6919.117261][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6919.117261][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.117261][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.117261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.117261][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6919.117261][ T73] ipv6_add_addr+0x411/0x2000 [ 6919.117261][ T73] inet6_addr_add+0x30e/0xa40 [ 6919.117261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.117261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.117261][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.117261][ T73] netlink_unicast+0x449/0x710 [ 6919.117261][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.117261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.117261][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.117261][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.117261][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.117261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.117261][ T73] [ 6919.119488][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6919.119488][ T73] netdev_get_by_index+0x5e/0x80 [ 6919.119488][ T73] fib6_nh_init+0x3d8/0x1580 [ 6919.119488][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6919.119488][ T73] ip6_route_add+0x1c/0x140 [ 6919.119488][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6919.119488][ T73] addrconf_add_dev+0xe2/0x170 [ 6919.119488][ T73] inet6_addr_add+0x12f/0xa40 [ 6919.119488][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6919.119488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.119488][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.119488][ T73] netlink_unicast+0x449/0x710 [ 6919.119488][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.119488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.119488][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.119488][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.119488][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.119488][ T73] [ 6919.121676][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6919.121676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6919.121676][ T73] ipv6_find_idev+0x102/0x170 [ 6919.121676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.121676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.121676][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.121676][ T73] netlink_unicast+0x449/0x710 [ 6919.121676][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.121676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.121676][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.121676][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.121676][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.121676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.121676][ T73] [ 6919.123380][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6919.123380][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6919.123380][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6919.123380][ T73] ipv6_find_idev+0x102/0x170 [ 6919.123380][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6919.123380][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6919.123380][ T73] netlink_rcv_skb+0x130/0x360 [ 6919.123380][ T73] netlink_unicast+0x449/0x710 [ 6919.123380][ T73] netlink_sendmsg+0x723/0xbe0 [ 6919.123380][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6919.123380][ T73] ___sys_sendmsg+0xee/0x170 [ 6919.123380][ T73] __sys_sendmsg+0xcd/0x170 [ 6919.123380][ T73] do_syscall_64+0xc6/0x1e0 [ 6919.123380][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6919.123380][ T73] [ 6929.366881][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6929.367324][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.367324][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6929.367324][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6929.367324][ T73] fib6_nh_init+0xa22/0x1580 [ 6929.367324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.367324][ T73] ip6_route_add+0x1c/0x140 [ 6929.367324][ T73] inet6_rtm_newroute+0x104/0x110 [ 6929.367324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.367324][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.367324][ T73] netlink_unicast+0x449/0x710 [ 6929.367324][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.367324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.367324][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.367324][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.367324][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.367324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.367324][ T73] [ 6929.369219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.369219][ T73] dst_init+0x84/0x4a0 [ 6929.369219][ T73] dst_alloc+0x97/0x150 [ 6929.369219][ T73] ip6_dst_alloc+0x23/0x90 [ 6929.369219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6929.369219][ T73] ip6_pol_route+0x56f/0x840 [ 6929.369219][ T73] fib6_rule_lookup+0x456/0x630 [ 6929.369219][ T73] ip6_route_input+0x59c/0xa50 [ 6929.369219][ T73] ipv6_rcv+0x397/0x810 [ 6929.369219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6929.369219][ T73] process_backlog+0x101/0x620 [ 6929.369219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6929.369219][ T73] net_rx_action+0x495/0xbe0 [ 6929.369219][ T73] __do_softirq+0x1b5/0x7f6 [ 6929.369219][ T73] [ 6929.370849][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.370849][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.370849][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.370849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.370849][ T73] ip6_route_add+0x1c/0x140 [ 6929.370849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6929.370849][ T73] inet6_addr_add+0x4f8/0xa40 [ 6929.370849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.370849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.370849][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.370849][ T73] netlink_unicast+0x449/0x710 [ 6929.370849][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.370849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.370849][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.370849][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.370849][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.370849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.370849][ T73] [ 6929.372844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.372844][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.372844][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.372844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.372844][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6929.372844][ T73] ipv6_add_addr+0x411/0x2000 [ 6929.372844][ T73] inet6_addr_add+0x30e/0xa40 [ 6929.372844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.372844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.372844][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.372844][ T73] netlink_unicast+0x449/0x710 [ 6929.372844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.372844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.372844][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.372844][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.372844][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.372844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.372844][ T73] [ 6929.374840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.374840][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.374840][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.374840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.374840][ T73] ip6_route_add+0x1c/0x140 [ 6929.374840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6929.374840][ T73] addrconf_add_dev+0xe2/0x170 [ 6929.374840][ T73] inet6_addr_add+0x12f/0xa40 [ 6929.374840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.374840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.374840][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.374840][ T73] netlink_unicast+0x449/0x710 [ 6929.374840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.374840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.374840][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.374840][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.374840][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.374840][ T73] [ 6929.376797][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.376797][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6929.376797][ T73] ipv6_find_idev+0x102/0x170 [ 6929.376797][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.376797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.376797][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.376797][ T73] netlink_unicast+0x449/0x710 [ 6929.376797][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.376797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.376797][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.376797][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.376797][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.376797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.376797][ T73] [ 6929.378325][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6929.378325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6929.378325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6929.378325][ T73] ipv6_find_idev+0x102/0x170 [ 6929.378325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.378325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.378325][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.378325][ T73] netlink_unicast+0x449/0x710 [ 6929.378325][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.378325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.378325][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.378325][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.378325][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.378325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.378325][ T73] [ 6929.380011][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6929.380278][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.380278][ T73] dst_init+0x84/0x4a0 [ 6929.380278][ T73] dst_alloc+0x97/0x150 [ 6929.380278][ T73] ip6_dst_alloc+0x23/0x90 [ 6929.380278][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6929.380278][ T73] ip6_pol_route+0x56f/0x840 [ 6929.380278][ T73] fib6_rule_lookup+0x456/0x630 [ 6929.380278][ T73] ip6_route_input+0x59c/0xa50 [ 6929.380278][ T73] ipv6_rcv+0x397/0x810 [ 6929.380278][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6929.380278][ T73] process_backlog+0x101/0x620 [ 6929.380278][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6929.380278][ T73] net_rx_action+0x495/0xbe0 [ 6929.380278][ T73] __do_softirq+0x1b5/0x7f6 [ 6929.380278][ T73] [ 6929.381910][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.381910][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.381910][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.381910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.381910][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6929.381910][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6929.381910][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6929.381910][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6929.381910][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6929.381910][ T73] addrconf_dad_begin+0x310/0x670 [ 6929.381910][ T73] addrconf_dad_work+0x10b/0xab0 [ 6929.381910][ T73] process_one_work+0x84d/0x18a0 [ 6929.381910][ T73] worker_thread+0x587/0xd30 [ 6929.381910][ T73] kthread+0x28a/0x350 [ 6929.381910][ T73] ret_from_fork+0x31/0x70 [ 6929.381910][ T73] ret_from_fork_asm+0x1a/0x30 [ 6929.381910][ T73] [ 6929.383806][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.383806][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.383806][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.383806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.383806][ T73] ip6_route_add+0x1c/0x140 [ 6929.383806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6929.383806][ T73] inet6_addr_add+0x4f8/0xa40 [ 6929.383806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.383806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.383806][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.383806][ T73] netlink_unicast+0x449/0x710 [ 6929.383806][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.383806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.383806][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.383806][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.383806][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.383806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.383806][ T73] [ 6929.385788][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.385788][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.385788][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.385788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.385788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6929.385788][ T73] ipv6_add_addr+0x411/0x2000 [ 6929.385788][ T73] inet6_addr_add+0x30e/0xa40 [ 6929.385788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.385788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.385788][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.385788][ T73] netlink_unicast+0x449/0x710 [ 6929.385788][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.385788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.385788][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.385788][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.385788][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.385788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.385788][ T73] [ 6929.387772][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.387772][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.387772][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.387772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.387772][ T73] ip6_route_add+0x1c/0x140 [ 6929.387772][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6929.387772][ T73] addrconf_add_dev+0xe2/0x170 [ 6929.387772][ T73] inet6_addr_add+0x12f/0xa40 [ 6929.387772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.387772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.387772][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.387772][ T73] netlink_unicast+0x449/0x710 [ 6929.387772][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.387772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.387772][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.387772][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.387772][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.387772][ T73] [ 6929.389727][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.389727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6929.389727][ T73] ipv6_find_idev+0x102/0x170 [ 6929.389727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.389727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.389727][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.389727][ T73] netlink_unicast+0x449/0x710 [ 6929.389727][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.389727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.389727][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.389727][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.389727][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.389727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.389727][ T73] [ 6929.391282][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6929.391282][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6929.391282][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6929.391282][ T73] ipv6_find_idev+0x102/0x170 [ 6929.391282][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.391282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.391282][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.391282][ T73] netlink_unicast+0x449/0x710 [ 6929.391282][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.391282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.391282][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.391282][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.391282][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.391282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.391282][ T73] [ 6929.393088][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6929.393409][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.393409][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6929.393409][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6929.393409][ T73] fib6_nh_init+0xa22/0x1580 [ 6929.393409][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.393409][ T73] ip6_route_add+0x1c/0x140 [ 6929.393409][ T73] inet6_rtm_newroute+0x104/0x110 [ 6929.393409][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.393409][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.393409][ T73] netlink_unicast+0x449/0x710 [ 6929.393409][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.393409][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.393409][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.393409][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.393409][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.393409][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.393409][ T73] [ 6929.395462][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.395462][ T73] dst_init+0x84/0x4a0 [ 6929.395462][ T73] dst_alloc+0x97/0x150 [ 6929.395462][ T73] ip6_dst_alloc+0x23/0x90 [ 6929.395462][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6929.395462][ T73] ip6_pol_route+0x56f/0x840 [ 6929.395462][ T73] fib6_rule_lookup+0x456/0x630 [ 6929.395462][ T73] ip6_route_input+0x59c/0xa50 [ 6929.395462][ T73] ipv6_rcv+0x397/0x810 [ 6929.395462][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6929.395462][ T73] process_backlog+0x101/0x620 [ 6929.395462][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6929.395462][ T73] net_rx_action+0x495/0xbe0 [ 6929.395462][ T73] __do_softirq+0x1b5/0x7f6 [ 6929.395462][ T73] [ 6929.397265][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.397265][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.397265][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.397265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.397265][ T73] ip6_route_add+0x1c/0x140 [ 6929.397265][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6929.397265][ T73] inet6_addr_add+0x4f8/0xa40 [ 6929.397265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.397265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.397265][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.397265][ T73] netlink_unicast+0x449/0x710 [ 6929.397265][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.397265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.397265][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.397265][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.397265][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.397265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.397265][ T73] [ 6929.399501][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.399501][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.399501][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.399501][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.399501][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6929.399501][ T73] ipv6_add_addr+0x411/0x2000 [ 6929.399501][ T73] inet6_addr_add+0x30e/0xa40 [ 6929.399501][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.399501][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.399501][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.399501][ T73] netlink_unicast+0x449/0x710 [ 6929.399501][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.399501][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.399501][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.399501][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.399501][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.399501][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.399501][ T73] [ 6929.401788][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.401788][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.401788][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.401788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.401788][ T73] ip6_route_add+0x1c/0x140 [ 6929.401788][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6929.401788][ T73] addrconf_add_dev+0xe2/0x170 [ 6929.401788][ T73] inet6_addr_add+0x12f/0xa40 [ 6929.401788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.401788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.401788][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.401788][ T73] netlink_unicast+0x449/0x710 [ 6929.401788][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.401788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.401788][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.401788][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.401788][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.401788][ T73] [ 6929.403997][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.403997][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6929.403997][ T73] ipv6_find_idev+0x102/0x170 [ 6929.403997][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.403997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.403997][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.403997][ T73] netlink_unicast+0x449/0x710 [ 6929.403997][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.403997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.403997][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.403997][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.403997][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.403997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.403997][ T73] [ 6929.405707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6929.405707][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6929.405707][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6929.405707][ T73] ipv6_find_idev+0x102/0x170 [ 6929.405707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.405707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.405707][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.405707][ T73] netlink_unicast+0x449/0x710 [ 6929.405707][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.405707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.405707][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.405707][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.405707][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.405707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.405707][ T73] [ 6929.407559][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6929.408266][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6929.408266][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.408266][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.408266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.408266][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6929.408266][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6929.408266][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6929.408266][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6929.408266][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6929.408266][ T73] addrconf_dad_begin+0x310/0x670 [ 6929.408266][ T73] addrconf_dad_work+0x10b/0xab0 [ 6929.408266][ T73] process_one_work+0x84d/0x18a0 [ 6929.408266][ T73] worker_thread+0x587/0xd30 [ 6929.408266][ T73] kthread+0x28a/0x350 [ 6929.408266][ T73] ret_from_fork+0x31/0x70 [ 6929.408266][ T73] ret_from_fork_asm+0x1a/0x30 [ 6929.408266][ T73] [ 6929.410156][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6929.410156][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.410156][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.410156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.410156][ T73] ip6_route_add+0x1c/0x140 [ 6929.410156][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6929.410156][ T73] inet6_addr_add+0x4f8/0xa40 [ 6929.410156][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.410156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.410156][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.410156][ T73] netlink_unicast+0x449/0x710 [ 6929.410156][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.410156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.410156][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.410156][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.410156][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.410156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.410156][ T73] [ 6929.412260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6929.412260][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.412260][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.412260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.412260][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6929.412260][ T73] ipv6_add_addr+0x411/0x2000 [ 6929.412260][ T73] inet6_addr_add+0x30e/0xa40 [ 6929.412260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.412260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.412260][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.412260][ T73] netlink_unicast+0x449/0x710 [ 6929.412260][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.412260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.412260][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.412260][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.412260][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.412260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.412260][ T73] [ 6929.414543][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6929.414543][ T73] netdev_get_by_index+0x5e/0x80 [ 6929.414543][ T73] fib6_nh_init+0x3d8/0x1580 [ 6929.414543][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6929.414543][ T73] ip6_route_add+0x1c/0x140 [ 6929.414543][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6929.414543][ T73] addrconf_add_dev+0xe2/0x170 [ 6929.414543][ T73] inet6_addr_add+0x12f/0xa40 [ 6929.414543][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6929.414543][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.414543][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.414543][ T73] netlink_unicast+0x449/0x710 [ 6929.414543][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.414543][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.414543][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.414543][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.414543][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.414543][ T73] [ 6929.416666][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6929.416666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6929.416666][ T73] ipv6_find_idev+0x102/0x170 [ 6929.416666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.416666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.416666][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.416666][ T73] netlink_unicast+0x449/0x710 [ 6929.416666][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.416666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.416666][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.416666][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.416666][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.416666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.416666][ T73] [ 6929.418375][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6929.418375][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6929.418375][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6929.418375][ T73] ipv6_find_idev+0x102/0x170 [ 6929.418375][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6929.418375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6929.418375][ T73] netlink_rcv_skb+0x130/0x360 [ 6929.418375][ T73] netlink_unicast+0x449/0x710 [ 6929.418375][ T73] netlink_sendmsg+0x723/0xbe0 [ 6929.418375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6929.418375][ T73] ___sys_sendmsg+0xee/0x170 [ 6929.418375][ T73] __sys_sendmsg+0xcd/0x170 [ 6929.418375][ T73] do_syscall_64+0xc6/0x1e0 [ 6929.418375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6929.418375][ T73] [ 6939.606890][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6939.607342][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.607342][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6939.607342][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6939.607342][ T73] fib6_nh_init+0xa22/0x1580 [ 6939.607342][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.607342][ T73] ip6_route_add+0x1c/0x140 [ 6939.607342][ T73] inet6_rtm_newroute+0x104/0x110 [ 6939.607342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.607342][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.607342][ T73] netlink_unicast+0x449/0x710 [ 6939.607342][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.607342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.607342][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.607342][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.607342][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.607342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.607342][ T73] [ 6939.609257][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.609257][ T73] dst_init+0x84/0x4a0 [ 6939.609257][ T73] dst_alloc+0x97/0x150 [ 6939.609257][ T73] ip6_dst_alloc+0x23/0x90 [ 6939.609257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6939.609257][ T73] ip6_pol_route+0x56f/0x840 [ 6939.609257][ T73] fib6_rule_lookup+0x456/0x630 [ 6939.609257][ T73] ip6_route_input+0x59c/0xa50 [ 6939.609257][ T73] ipv6_rcv+0x397/0x810 [ 6939.609257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6939.609257][ T73] process_backlog+0x101/0x620 [ 6939.609257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6939.609257][ T73] net_rx_action+0x495/0xbe0 [ 6939.609257][ T73] __do_softirq+0x1b5/0x7f6 [ 6939.609257][ T73] [ 6939.610922][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.610922][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.610922][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.610922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.610922][ T73] ip6_route_add+0x1c/0x140 [ 6939.610922][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6939.610922][ T73] inet6_addr_add+0x4f8/0xa40 [ 6939.610922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.610922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.610922][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.610922][ T73] netlink_unicast+0x449/0x710 [ 6939.610922][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.610922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.610922][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.610922][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.610922][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.610922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.610922][ T73] [ 6939.612942][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.612942][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.612942][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.612942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.612942][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6939.612942][ T73] ipv6_add_addr+0x411/0x2000 [ 6939.612942][ T73] inet6_addr_add+0x30e/0xa40 [ 6939.612942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.612942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.612942][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.612942][ T73] netlink_unicast+0x449/0x710 [ 6939.612942][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.612942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.612942][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.612942][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.612942][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.612942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.612942][ T73] [ 6939.614902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.614902][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.614902][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.614902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.614902][ T73] ip6_route_add+0x1c/0x140 [ 6939.614902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6939.614902][ T73] addrconf_add_dev+0xe2/0x170 [ 6939.614902][ T73] inet6_addr_add+0x12f/0xa40 [ 6939.614902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.614902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.614902][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.614902][ T73] netlink_unicast+0x449/0x710 [ 6939.614902][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.614902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.614902][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.614902][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.614902][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.614902][ T73] [ 6939.616858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.616858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6939.616858][ T73] ipv6_find_idev+0x102/0x170 [ 6939.616858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.616858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.616858][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.616858][ T73] netlink_unicast+0x449/0x710 [ 6939.616858][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.616858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.616858][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.616858][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.616858][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.616858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.616858][ T73] [ 6939.618397][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6939.618397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6939.618397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6939.618397][ T73] ipv6_find_idev+0x102/0x170 [ 6939.618397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.618397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.618397][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.618397][ T73] netlink_unicast+0x449/0x710 [ 6939.618397][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.618397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.618397][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.618397][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.618397][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.618397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.618397][ T73] [ 6939.620117][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6939.620387][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.620387][ T73] dst_init+0x84/0x4a0 [ 6939.620387][ T73] dst_alloc+0x97/0x150 [ 6939.620387][ T73] ip6_dst_alloc+0x23/0x90 [ 6939.620387][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6939.620387][ T73] ip6_pol_route+0x56f/0x840 [ 6939.620387][ T73] fib6_rule_lookup+0x456/0x630 [ 6939.620387][ T73] ip6_route_input+0x59c/0xa50 [ 6939.620387][ T73] ipv6_rcv+0x397/0x810 [ 6939.620387][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6939.620387][ T73] process_backlog+0x101/0x620 [ 6939.620387][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6939.620387][ T73] net_rx_action+0x495/0xbe0 [ 6939.620387][ T73] __do_softirq+0x1b5/0x7f6 [ 6939.620387][ T73] [ 6939.622031][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.622031][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.622031][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.622031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.622031][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6939.622031][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6939.622031][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6939.622031][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6939.622031][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6939.622031][ T73] addrconf_dad_begin+0x310/0x670 [ 6939.622031][ T73] addrconf_dad_work+0x10b/0xab0 [ 6939.622031][ T73] process_one_work+0x84d/0x18a0 [ 6939.622031][ T73] worker_thread+0x587/0xd30 [ 6939.622031][ T73] kthread+0x28a/0x350 [ 6939.622031][ T73] ret_from_fork+0x31/0x70 [ 6939.622031][ T73] ret_from_fork_asm+0x1a/0x30 [ 6939.622031][ T73] [ 6939.623950][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.623950][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.623950][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.623950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.623950][ T73] ip6_route_add+0x1c/0x140 [ 6939.623950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6939.623950][ T73] inet6_addr_add+0x4f8/0xa40 [ 6939.623950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.623950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.623950][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.623950][ T73] netlink_unicast+0x449/0x710 [ 6939.623950][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.623950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.623950][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.623950][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.623950][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.623950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.623950][ T73] [ 6939.625962][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.625962][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.625962][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.625962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.625962][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6939.625962][ T73] ipv6_add_addr+0x411/0x2000 [ 6939.625962][ T73] inet6_addr_add+0x30e/0xa40 [ 6939.625962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.625962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.625962][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.625962][ T73] netlink_unicast+0x449/0x710 [ 6939.625962][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.625962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.625962][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.625962][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.625962][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.625962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.625962][ T73] [ 6939.627959][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.627959][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.627959][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.627959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.627959][ T73] ip6_route_add+0x1c/0x140 [ 6939.627959][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6939.627959][ T73] addrconf_add_dev+0xe2/0x170 [ 6939.627959][ T73] inet6_addr_add+0x12f/0xa40 [ 6939.627959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.627959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.627959][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.627959][ T73] netlink_unicast+0x449/0x710 [ 6939.627959][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.627959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.627959][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.627959][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.627959][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.627959][ T73] [ 6939.630035][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.630035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6939.630035][ T73] ipv6_find_idev+0x102/0x170 [ 6939.630035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.630035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.630035][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.630035][ T73] netlink_unicast+0x449/0x710 [ 6939.630035][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.630035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.630035][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.630035][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.630035][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.630035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.630035][ T73] [ 6939.631931][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6939.631931][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6939.631931][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6939.631931][ T73] ipv6_find_idev+0x102/0x170 [ 6939.631931][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.631931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.631931][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.631931][ T73] netlink_unicast+0x449/0x710 [ 6939.631931][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.631931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.631931][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.631931][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.631931][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.631931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.631931][ T73] [ 6939.634101][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6939.634525][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.634525][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6939.634525][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6939.634525][ T73] fib6_nh_init+0xa22/0x1580 [ 6939.634525][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.634525][ T73] ip6_route_add+0x1c/0x140 [ 6939.634525][ T73] inet6_rtm_newroute+0x104/0x110 [ 6939.634525][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.634525][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.634525][ T73] netlink_unicast+0x449/0x710 [ 6939.634525][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.634525][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.634525][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.634525][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.634525][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.634525][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.634525][ T73] [ 6939.637117][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.637117][ T73] dst_init+0x84/0x4a0 [ 6939.637117][ T73] dst_alloc+0x97/0x150 [ 6939.637117][ T73] ip6_dst_alloc+0x23/0x90 [ 6939.637117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6939.637117][ T73] ip6_pol_route+0x56f/0x840 [ 6939.637117][ T73] fib6_rule_lookup+0x456/0x630 [ 6939.637117][ T73] ip6_route_input+0x59c/0xa50 [ 6939.637117][ T73] ipv6_rcv+0x397/0x810 [ 6939.637117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6939.637117][ T73] process_backlog+0x101/0x620 [ 6939.637117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6939.637117][ T73] net_rx_action+0x495/0xbe0 [ 6939.637117][ T73] __do_softirq+0x1b5/0x7f6 [ 6939.637117][ T73] [ 6939.639510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.639510][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.639510][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.639510][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.639510][ T73] ip6_route_add+0x1c/0x140 [ 6939.639510][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6939.639510][ T73] inet6_addr_add+0x4f8/0xa40 [ 6939.639510][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.639510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.639510][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.639510][ T73] netlink_unicast+0x449/0x710 [ 6939.639510][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.639510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.639510][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.639510][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.639510][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.639510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.639510][ T73] [ 6939.642331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.642331][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.642331][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.642331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.642331][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6939.642331][ T73] ipv6_add_addr+0x411/0x2000 [ 6939.642331][ T73] inet6_addr_add+0x30e/0xa40 [ 6939.642331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.642331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.642331][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.642331][ T73] netlink_unicast+0x449/0x710 [ 6939.642331][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.642331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.642331][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.642331][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.642331][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.642331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.642331][ T73] [ 6939.645136][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.645136][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.645136][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.645136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.645136][ T73] ip6_route_add+0x1c/0x140 [ 6939.645136][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6939.645136][ T73] addrconf_add_dev+0xe2/0x170 [ 6939.645136][ T73] inet6_addr_add+0x12f/0xa40 [ 6939.645136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.645136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.645136][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.645136][ T73] netlink_unicast+0x449/0x710 [ 6939.645136][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.645136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.645136][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.645136][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.645136][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.645136][ T73] [ 6939.647479][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.647479][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6939.647479][ T73] ipv6_find_idev+0x102/0x170 [ 6939.647479][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.647479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.647479][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.647479][ T73] netlink_unicast+0x449/0x710 [ 6939.647479][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.647479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.647479][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.647479][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.647479][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.647479][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.647479][ T73] [ 6939.649213][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6939.649213][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6939.649213][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6939.649213][ T73] ipv6_find_idev+0x102/0x170 [ 6939.649213][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.649213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.649213][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.649213][ T73] netlink_unicast+0x449/0x710 [ 6939.649213][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.649213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.649213][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.649213][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.649213][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.649213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.649213][ T73] [ 6939.651153][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6939.651429][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6939.651429][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.651429][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.651429][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.651429][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6939.651429][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6939.651429][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6939.651429][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6939.651429][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6939.651429][ T73] addrconf_dad_begin+0x310/0x670 [ 6939.651429][ T73] addrconf_dad_work+0x10b/0xab0 [ 6939.651429][ T73] process_one_work+0x84d/0x18a0 [ 6939.651429][ T73] worker_thread+0x587/0xd30 [ 6939.651429][ T73] kthread+0x28a/0x350 [ 6939.651429][ T73] ret_from_fork+0x31/0x70 [ 6939.651429][ T73] ret_from_fork_asm+0x1a/0x30 [ 6939.651429][ T73] [ 6939.653618][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6939.653618][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.653618][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.653618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.653618][ T73] ip6_route_add+0x1c/0x140 [ 6939.653618][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6939.653618][ T73] inet6_addr_add+0x4f8/0xa40 [ 6939.653618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.653618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.653618][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.653618][ T73] netlink_unicast+0x449/0x710 [ 6939.653618][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.653618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.653618][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.653618][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.653618][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.653618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.653618][ T73] [ 6939.655844][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6939.655844][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.655844][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.655844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.655844][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6939.655844][ T73] ipv6_add_addr+0x411/0x2000 [ 6939.655844][ T73] inet6_addr_add+0x30e/0xa40 [ 6939.655844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.655844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.655844][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.655844][ T73] netlink_unicast+0x449/0x710 [ 6939.655844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.655844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.655844][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.655844][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.655844][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.655844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.655844][ T73] [ 6939.658110][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6939.658110][ T73] netdev_get_by_index+0x5e/0x80 [ 6939.658110][ T73] fib6_nh_init+0x3d8/0x1580 [ 6939.658110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6939.658110][ T73] ip6_route_add+0x1c/0x140 [ 6939.658110][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6939.658110][ T73] addrconf_add_dev+0xe2/0x170 [ 6939.658110][ T73] inet6_addr_add+0x12f/0xa40 [ 6939.658110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6939.658110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.658110][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.658110][ T73] netlink_unicast+0x449/0x710 [ 6939.658110][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.658110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.658110][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.658110][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.658110][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.658110][ T73] [ 6939.660329][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6939.660329][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6939.660329][ T73] ipv6_find_idev+0x102/0x170 [ 6939.660329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.660329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.660329][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.660329][ T73] netlink_unicast+0x449/0x710 [ 6939.660329][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.660329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.660329][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.660329][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.660329][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.660329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.660329][ T73] [ 6939.662036][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6939.662036][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6939.662036][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6939.662036][ T73] ipv6_find_idev+0x102/0x170 [ 6939.662036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6939.662036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6939.662036][ T73] netlink_rcv_skb+0x130/0x360 [ 6939.662036][ T73] netlink_unicast+0x449/0x710 [ 6939.662036][ T73] netlink_sendmsg+0x723/0xbe0 [ 6939.662036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6939.662036][ T73] ___sys_sendmsg+0xee/0x170 [ 6939.662036][ T73] __sys_sendmsg+0xcd/0x170 [ 6939.662036][ T73] do_syscall_64+0xc6/0x1e0 [ 6939.662036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6939.662036][ T73] [ 6949.902841][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6949.903395][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.903395][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6949.903395][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6949.903395][ T73] fib6_nh_init+0xa22/0x1580 [ 6949.903395][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.903395][ T73] ip6_route_add+0x1c/0x140 [ 6949.903395][ T73] inet6_rtm_newroute+0x104/0x110 [ 6949.903395][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.903395][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.903395][ T73] netlink_unicast+0x449/0x710 [ 6949.903395][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.903395][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.903395][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.903395][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.903395][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.903395][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.903395][ T73] [ 6949.905717][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.905717][ T73] dst_init+0x84/0x4a0 [ 6949.905717][ T73] dst_alloc+0x97/0x150 [ 6949.905717][ T73] ip6_dst_alloc+0x23/0x90 [ 6949.905717][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6949.905717][ T73] ip6_pol_route+0x56f/0x840 [ 6949.905717][ T73] fib6_rule_lookup+0x456/0x630 [ 6949.905717][ T73] ip6_route_input+0x59c/0xa50 [ 6949.905717][ T73] ipv6_rcv+0x397/0x810 [ 6949.905717][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6949.905717][ T73] process_backlog+0x101/0x620 [ 6949.905717][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6949.905717][ T73] net_rx_action+0x495/0xbe0 [ 6949.905717][ T73] __do_softirq+0x1b5/0x7f6 [ 6949.905717][ T73] [ 6949.907734][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.907734][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.907734][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.907734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.907734][ T73] ip6_route_add+0x1c/0x140 [ 6949.907734][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6949.907734][ T73] inet6_addr_add+0x4f8/0xa40 [ 6949.907734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.907734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.907734][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.907734][ T73] netlink_unicast+0x449/0x710 [ 6949.907734][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.907734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.907734][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.907734][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.907734][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.907734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.907734][ T73] [ 6949.910029][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.910029][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.910029][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.910029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.910029][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6949.910029][ T73] ipv6_add_addr+0x411/0x2000 [ 6949.910029][ T73] inet6_addr_add+0x30e/0xa40 [ 6949.910029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.910029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.910029][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.910029][ T73] netlink_unicast+0x449/0x710 [ 6949.910029][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.910029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.910029][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.910029][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.910029][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.910029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.910029][ T73] [ 6949.912037][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.912037][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.912037][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.912037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.912037][ T73] ip6_route_add+0x1c/0x140 [ 6949.912037][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6949.912037][ T73] addrconf_add_dev+0xe2/0x170 [ 6949.912037][ T73] inet6_addr_add+0x12f/0xa40 [ 6949.912037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.912037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.912037][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.912037][ T73] netlink_unicast+0x449/0x710 [ 6949.912037][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.912037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.912037][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.912037][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.912037][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.912037][ T73] [ 6949.914012][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.914012][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6949.914012][ T73] ipv6_find_idev+0x102/0x170 [ 6949.914012][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.914012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.914012][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.914012][ T73] netlink_unicast+0x449/0x710 [ 6949.914012][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.914012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.914012][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.914012][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.914012][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.914012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.914012][ T73] [ 6949.915562][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6949.915562][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6949.915562][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6949.915562][ T73] ipv6_find_idev+0x102/0x170 [ 6949.915562][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.915562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.915562][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.915562][ T73] netlink_unicast+0x449/0x710 [ 6949.915562][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.915562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.915562][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.915562][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.915562][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.915562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.915562][ T73] [ 6949.917263][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6949.917543][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.917543][ T73] dst_init+0x84/0x4a0 [ 6949.917543][ T73] dst_alloc+0x97/0x150 [ 6949.917543][ T73] ip6_dst_alloc+0x23/0x90 [ 6949.917543][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6949.917543][ T73] ip6_pol_route+0x56f/0x840 [ 6949.917543][ T73] fib6_rule_lookup+0x456/0x630 [ 6949.917543][ T73] ip6_route_input+0x59c/0xa50 [ 6949.917543][ T73] ipv6_rcv+0x397/0x810 [ 6949.917543][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6949.917543][ T73] process_backlog+0x101/0x620 [ 6949.917543][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6949.917543][ T73] net_rx_action+0x495/0xbe0 [ 6949.917543][ T73] __do_softirq+0x1b5/0x7f6 [ 6949.917543][ T73] [ 6949.919196][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.919196][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.919196][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.919196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.919196][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6949.919196][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6949.919196][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6949.919196][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6949.919196][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6949.919196][ T73] addrconf_dad_begin+0x310/0x670 [ 6949.919196][ T73] addrconf_dad_work+0x10b/0xab0 [ 6949.919196][ T73] process_one_work+0x84d/0x18a0 [ 6949.919196][ T73] worker_thread+0x587/0xd30 [ 6949.919196][ T73] kthread+0x28a/0x350 [ 6949.919196][ T73] ret_from_fork+0x31/0x70 [ 6949.919196][ T73] ret_from_fork_asm+0x1a/0x30 [ 6949.919196][ T73] [ 6949.921110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.921110][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.921110][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.921110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.921110][ T73] ip6_route_add+0x1c/0x140 [ 6949.921110][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6949.921110][ T73] inet6_addr_add+0x4f8/0xa40 [ 6949.921110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.921110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.921110][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.921110][ T73] netlink_unicast+0x449/0x710 [ 6949.921110][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.921110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.921110][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.921110][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.921110][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.921110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.921110][ T73] [ 6949.923110][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.923110][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.923110][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.923110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.923110][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6949.923110][ T73] ipv6_add_addr+0x411/0x2000 [ 6949.923110][ T73] inet6_addr_add+0x30e/0xa40 [ 6949.923110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.923110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.923110][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.923110][ T73] netlink_unicast+0x449/0x710 [ 6949.923110][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.923110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.923110][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.923110][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.923110][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.923110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.923110][ T73] [ 6949.925112][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.925112][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.925112][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.925112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.925112][ T73] ip6_route_add+0x1c/0x140 [ 6949.925112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6949.925112][ T73] addrconf_add_dev+0xe2/0x170 [ 6949.925112][ T73] inet6_addr_add+0x12f/0xa40 [ 6949.925112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.925112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.925112][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.925112][ T73] netlink_unicast+0x449/0x710 [ 6949.925112][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.925112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.925112][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.925112][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.925112][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.925112][ T73] [ 6949.927078][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.927078][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6949.927078][ T73] ipv6_find_idev+0x102/0x170 [ 6949.927078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.927078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.927078][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.927078][ T73] netlink_unicast+0x449/0x710 [ 6949.927078][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.927078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.927078][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.927078][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.927078][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.927078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.927078][ T73] [ 6949.928622][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6949.928622][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6949.928622][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6949.928622][ T73] ipv6_find_idev+0x102/0x170 [ 6949.928622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.928622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.928622][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.928622][ T73] netlink_unicast+0x449/0x710 [ 6949.928622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.928622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.928622][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.928622][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.928622][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.928622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.928622][ T73] [ 6949.930384][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6949.930671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.930671][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6949.930671][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6949.930671][ T73] fib6_nh_init+0xa22/0x1580 [ 6949.930671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.930671][ T73] ip6_route_add+0x1c/0x140 [ 6949.930671][ T73] inet6_rtm_newroute+0x104/0x110 [ 6949.930671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.930671][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.930671][ T73] netlink_unicast+0x449/0x710 [ 6949.930671][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.930671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.930671][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.930671][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.930671][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.930671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.930671][ T73] [ 6949.932681][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.932681][ T73] dst_init+0x84/0x4a0 [ 6949.932681][ T73] dst_alloc+0x97/0x150 [ 6949.932681][ T73] ip6_dst_alloc+0x23/0x90 [ 6949.932681][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6949.932681][ T73] ip6_pol_route+0x56f/0x840 [ 6949.932681][ T73] fib6_rule_lookup+0x456/0x630 [ 6949.932681][ T73] ip6_route_input+0x59c/0xa50 [ 6949.932681][ T73] ipv6_rcv+0x397/0x810 [ 6949.932681][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6949.932681][ T73] process_backlog+0x101/0x620 [ 6949.932681][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6949.932681][ T73] net_rx_action+0x495/0xbe0 [ 6949.932681][ T73] __do_softirq+0x1b5/0x7f6 [ 6949.932681][ T73] [ 6949.934443][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.934443][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.934443][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.934443][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.934443][ T73] ip6_route_add+0x1c/0x140 [ 6949.934443][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6949.934443][ T73] inet6_addr_add+0x4f8/0xa40 [ 6949.934443][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.934443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.934443][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.934443][ T73] netlink_unicast+0x449/0x710 [ 6949.934443][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.934443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.934443][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.934443][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.934443][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.934443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.934443][ T73] [ 6949.936572][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.936572][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.936572][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.936572][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.936572][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6949.936572][ T73] ipv6_add_addr+0x411/0x2000 [ 6949.936572][ T73] inet6_addr_add+0x30e/0xa40 [ 6949.936572][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.936572][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.936572][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.936572][ T73] netlink_unicast+0x449/0x710 [ 6949.936572][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.936572][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.936572][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.936572][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.936572][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.936572][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.936572][ T73] [ 6949.938708][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.938708][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.938708][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.938708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.938708][ T73] ip6_route_add+0x1c/0x140 [ 6949.938708][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6949.938708][ T73] addrconf_add_dev+0xe2/0x170 [ 6949.938708][ T73] inet6_addr_add+0x12f/0xa40 [ 6949.938708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.938708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.938708][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.938708][ T73] netlink_unicast+0x449/0x710 [ 6949.938708][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.938708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.938708][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.938708][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.938708][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.938708][ T73] [ 6949.940805][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.940805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6949.940805][ T73] ipv6_find_idev+0x102/0x170 [ 6949.940805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.940805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.940805][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.940805][ T73] netlink_unicast+0x449/0x710 [ 6949.940805][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.940805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.940805][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.940805][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.940805][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.940805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.940805][ T73] [ 6949.942411][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6949.942411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6949.942411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6949.942411][ T73] ipv6_find_idev+0x102/0x170 [ 6949.942411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.942411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.942411][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.942411][ T73] netlink_unicast+0x449/0x710 [ 6949.942411][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.942411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.942411][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.942411][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.942411][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.942411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.942411][ T73] [ 6949.944227][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6949.944496][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6949.944496][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.944496][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.944496][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.944496][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6949.944496][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6949.944496][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6949.944496][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6949.944496][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6949.944496][ T73] addrconf_dad_begin+0x310/0x670 [ 6949.944496][ T73] addrconf_dad_work+0x10b/0xab0 [ 6949.944496][ T73] process_one_work+0x84d/0x18a0 [ 6949.944496][ T73] worker_thread+0x587/0xd30 [ 6949.944496][ T73] kthread+0x28a/0x350 [ 6949.944496][ T73] ret_from_fork+0x31/0x70 [ 6949.944496][ T73] ret_from_fork_asm+0x1a/0x30 [ 6949.944496][ T73] [ 6949.946535][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6949.946535][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.946535][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.946535][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.946535][ T73] ip6_route_add+0x1c/0x140 [ 6949.946535][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6949.946535][ T73] inet6_addr_add+0x4f8/0xa40 [ 6949.946535][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.946535][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.946535][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.946535][ T73] netlink_unicast+0x449/0x710 [ 6949.946535][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.946535][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.946535][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.946535][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.946535][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.946535][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.946535][ T73] [ 6949.948673][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6949.948673][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.948673][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.948673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.948673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6949.948673][ T73] ipv6_add_addr+0x411/0x2000 [ 6949.948673][ T73] inet6_addr_add+0x30e/0xa40 [ 6949.948673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.948673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.948673][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.948673][ T73] netlink_unicast+0x449/0x710 [ 6949.948673][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.948673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.948673][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.948673][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.948673][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.948673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.948673][ T73] [ 6949.950810][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6949.950810][ T73] netdev_get_by_index+0x5e/0x80 [ 6949.950810][ T73] fib6_nh_init+0x3d8/0x1580 [ 6949.950810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6949.950810][ T73] ip6_route_add+0x1c/0x140 [ 6949.950810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6949.950810][ T73] addrconf_add_dev+0xe2/0x170 [ 6949.950810][ T73] inet6_addr_add+0x12f/0xa40 [ 6949.950810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6949.950810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.950810][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.950810][ T73] netlink_unicast+0x449/0x710 [ 6949.950810][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.950810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.950810][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.950810][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.950810][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.950810][ T73] [ 6949.952850][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6949.952850][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6949.952850][ T73] ipv6_find_idev+0x102/0x170 [ 6949.952850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.952850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.952850][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.952850][ T73] netlink_unicast+0x449/0x710 [ 6949.952850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.952850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.952850][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.952850][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.952850][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.952850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.952850][ T73] [ 6949.954451][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6949.954451][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6949.954451][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6949.954451][ T73] ipv6_find_idev+0x102/0x170 [ 6949.954451][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6949.954451][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6949.954451][ T73] netlink_rcv_skb+0x130/0x360 [ 6949.954451][ T73] netlink_unicast+0x449/0x710 [ 6949.954451][ T73] netlink_sendmsg+0x723/0xbe0 [ 6949.954451][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6949.954451][ T73] ___sys_sendmsg+0xee/0x170 [ 6949.954451][ T73] __sys_sendmsg+0xcd/0x170 [ 6949.954451][ T73] do_syscall_64+0xc6/0x1e0 [ 6949.954451][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6949.954451][ T73] [ 6960.198910][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6960.199356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.199356][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6960.199356][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6960.199356][ T73] fib6_nh_init+0xa22/0x1580 [ 6960.199356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.199356][ T73] ip6_route_add+0x1c/0x140 [ 6960.199356][ T73] inet6_rtm_newroute+0x104/0x110 [ 6960.199356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.199356][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.199356][ T73] netlink_unicast+0x449/0x710 [ 6960.199356][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.199356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.199356][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.199356][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.199356][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.199356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.199356][ T73] [ 6960.201245][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.201245][ T73] dst_init+0x84/0x4a0 [ 6960.201245][ T73] dst_alloc+0x97/0x150 [ 6960.201245][ T73] ip6_dst_alloc+0x23/0x90 [ 6960.201245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6960.201245][ T73] ip6_pol_route+0x56f/0x840 [ 6960.201245][ T73] fib6_rule_lookup+0x456/0x630 [ 6960.201245][ T73] ip6_route_input+0x59c/0xa50 [ 6960.201245][ T73] ipv6_rcv+0x397/0x810 [ 6960.201245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6960.201245][ T73] process_backlog+0x101/0x620 [ 6960.201245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6960.201245][ T73] net_rx_action+0x495/0xbe0 [ 6960.201245][ T73] __do_softirq+0x1b5/0x7f6 [ 6960.201245][ T73] [ 6960.202855][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.202855][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.202855][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.202855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.202855][ T73] ip6_route_add+0x1c/0x140 [ 6960.202855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6960.202855][ T73] inet6_addr_add+0x4f8/0xa40 [ 6960.202855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.202855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.202855][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.202855][ T73] netlink_unicast+0x449/0x710 [ 6960.202855][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.202855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.202855][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.202855][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.202855][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.202855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.202855][ T73] [ 6960.204850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.204850][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.204850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.204850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.204850][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6960.204850][ T73] ipv6_add_addr+0x411/0x2000 [ 6960.204850][ T73] inet6_addr_add+0x30e/0xa40 [ 6960.204850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.204850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.204850][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.204850][ T73] netlink_unicast+0x449/0x710 [ 6960.204850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.204850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.204850][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.204850][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.204850][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.204850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.204850][ T73] [ 6960.206866][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.206866][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.206866][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.206866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.206866][ T73] ip6_route_add+0x1c/0x140 [ 6960.206866][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6960.206866][ T73] addrconf_add_dev+0xe2/0x170 [ 6960.206866][ T73] inet6_addr_add+0x12f/0xa40 [ 6960.206866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.206866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.206866][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.206866][ T73] netlink_unicast+0x449/0x710 [ 6960.206866][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.206866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.206866][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.206866][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.206866][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.206866][ T73] [ 6960.208844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.208844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6960.208844][ T73] ipv6_find_idev+0x102/0x170 [ 6960.208844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.208844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.208844][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.208844][ T73] netlink_unicast+0x449/0x710 [ 6960.208844][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.208844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.208844][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.208844][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.208844][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.208844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.208844][ T73] [ 6960.210374][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6960.210374][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6960.210374][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6960.210374][ T73] ipv6_find_idev+0x102/0x170 [ 6960.210374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.210374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.210374][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.210374][ T73] netlink_unicast+0x449/0x710 [ 6960.210374][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.210374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.210374][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.210374][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.210374][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.210374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.210374][ T73] [ 6960.212052][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6960.212319][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.212319][ T73] dst_init+0x84/0x4a0 [ 6960.212319][ T73] dst_alloc+0x97/0x150 [ 6960.212319][ T73] ip6_dst_alloc+0x23/0x90 [ 6960.212319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6960.212319][ T73] ip6_pol_route+0x56f/0x840 [ 6960.212319][ T73] fib6_rule_lookup+0x456/0x630 [ 6960.212319][ T73] ip6_route_input+0x59c/0xa50 [ 6960.212319][ T73] ipv6_rcv+0x397/0x810 [ 6960.212319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6960.212319][ T73] process_backlog+0x101/0x620 [ 6960.212319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6960.212319][ T73] net_rx_action+0x495/0xbe0 [ 6960.212319][ T73] __do_softirq+0x1b5/0x7f6 [ 6960.212319][ T73] [ 6960.213952][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.213952][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.213952][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.213952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.213952][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6960.213952][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6960.213952][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6960.213952][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6960.213952][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6960.213952][ T73] addrconf_dad_begin+0x310/0x670 [ 6960.213952][ T73] addrconf_dad_work+0x10b/0xab0 [ 6960.213952][ T73] process_one_work+0x84d/0x18a0 [ 6960.213952][ T73] worker_thread+0x587/0xd30 [ 6960.213952][ T73] kthread+0x28a/0x350 [ 6960.213952][ T73] ret_from_fork+0x31/0x70 [ 6960.213952][ T73] ret_from_fork_asm+0x1a/0x30 [ 6960.213952][ T73] [ 6960.215868][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.215868][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.215868][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.215868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.215868][ T73] ip6_route_add+0x1c/0x140 [ 6960.215868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6960.215868][ T73] inet6_addr_add+0x4f8/0xa40 [ 6960.215868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.215868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.215868][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.215868][ T73] netlink_unicast+0x449/0x710 [ 6960.215868][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.215868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.215868][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.215868][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.215868][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.215868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.215868][ T73] [ 6960.219070][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.219070][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.219070][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.219070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.219070][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6960.219070][ T73] ipv6_add_addr+0x411/0x2000 [ 6960.219070][ T73] inet6_addr_add+0x30e/0xa40 [ 6960.219070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.219070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.219070][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.219070][ T73] netlink_unicast+0x449/0x710 [ 6960.219070][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.219070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.219070][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.219070][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.219070][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.219070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.219070][ T73] [ 6960.222250][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.222250][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.222250][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.222250][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.222250][ T73] ip6_route_add+0x1c/0x140 [ 6960.222250][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6960.222250][ T73] addrconf_add_dev+0xe2/0x170 [ 6960.222250][ T73] inet6_addr_add+0x12f/0xa40 [ 6960.222250][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.222250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.222250][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.222250][ T73] netlink_unicast+0x449/0x710 [ 6960.222250][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.222250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.222250][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.222250][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.222250][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.222250][ T73] [ 6960.224391][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.224391][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6960.224391][ T73] ipv6_find_idev+0x102/0x170 [ 6960.224391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.224391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.224391][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.224391][ T73] netlink_unicast+0x449/0x710 [ 6960.224391][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.224391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.224391][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.224391][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.224391][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.224391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.224391][ T73] [ 6960.225925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6960.225925][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6960.225925][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6960.225925][ T73] ipv6_find_idev+0x102/0x170 [ 6960.225925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.225925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.225925][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.225925][ T73] netlink_unicast+0x449/0x710 [ 6960.225925][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.225925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.225925][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.225925][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.225925][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.225925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.225925][ T73] [ 6960.227732][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6960.228087][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.228087][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6960.228087][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6960.228087][ T73] fib6_nh_init+0xa22/0x1580 [ 6960.228087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.228087][ T73] ip6_route_add+0x1c/0x140 [ 6960.228087][ T73] inet6_rtm_newroute+0x104/0x110 [ 6960.228087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.228087][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.228087][ T73] netlink_unicast+0x449/0x710 [ 6960.228087][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.228087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.228087][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.228087][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.228087][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.228087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.228087][ T73] [ 6960.230141][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.230141][ T73] dst_init+0x84/0x4a0 [ 6960.230141][ T73] dst_alloc+0x97/0x150 [ 6960.230141][ T73] ip6_dst_alloc+0x23/0x90 [ 6960.230141][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6960.230141][ T73] ip6_pol_route+0x56f/0x840 [ 6960.230141][ T73] fib6_rule_lookup+0x456/0x630 [ 6960.230141][ T73] ip6_route_input+0x59c/0xa50 [ 6960.230141][ T73] ipv6_rcv+0x397/0x810 [ 6960.230141][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6960.230141][ T73] process_backlog+0x101/0x620 [ 6960.230141][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6960.230141][ T73] net_rx_action+0x495/0xbe0 [ 6960.230141][ T73] __do_softirq+0x1b5/0x7f6 [ 6960.230141][ T73] [ 6960.231948][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.231948][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.231948][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.231948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.231948][ T73] ip6_route_add+0x1c/0x140 [ 6960.231948][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6960.231948][ T73] inet6_addr_add+0x4f8/0xa40 [ 6960.231948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.231948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.231948][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.231948][ T73] netlink_unicast+0x449/0x710 [ 6960.231948][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.231948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.231948][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.231948][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.231948][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.231948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.231948][ T73] [ 6960.234181][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.234181][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.234181][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.234181][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.234181][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6960.234181][ T73] ipv6_add_addr+0x411/0x2000 [ 6960.234181][ T73] inet6_addr_add+0x30e/0xa40 [ 6960.234181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.234181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.234181][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.234181][ T73] netlink_unicast+0x449/0x710 [ 6960.234181][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.234181][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.234181][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.234181][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.234181][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.234181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.234181][ T73] [ 6960.236412][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.236412][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.236412][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.236412][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.236412][ T73] ip6_route_add+0x1c/0x140 [ 6960.236412][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6960.236412][ T73] addrconf_add_dev+0xe2/0x170 [ 6960.236412][ T73] inet6_addr_add+0x12f/0xa40 [ 6960.236412][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.236412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.236412][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.236412][ T73] netlink_unicast+0x449/0x710 [ 6960.236412][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.236412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.236412][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.236412][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.236412][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.236412][ T73] [ 6960.238674][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.238674][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6960.238674][ T73] ipv6_find_idev+0x102/0x170 [ 6960.238674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.238674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.238674][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.238674][ T73] netlink_unicast+0x449/0x710 [ 6960.238674][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.238674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.238674][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.238674][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.238674][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.238674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.238674][ T73] [ 6960.240385][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6960.240385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6960.240385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6960.240385][ T73] ipv6_find_idev+0x102/0x170 [ 6960.240385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.240385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.240385][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.240385][ T73] netlink_unicast+0x449/0x710 [ 6960.240385][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.240385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.240385][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.240385][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.240385][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.240385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.240385][ T73] [ 6960.242241][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6960.242511][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6960.242511][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.242511][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.242511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.242511][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6960.242511][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6960.242511][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6960.242511][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6960.242511][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6960.242511][ T73] addrconf_dad_begin+0x310/0x670 [ 6960.242511][ T73] addrconf_dad_work+0x10b/0xab0 [ 6960.242511][ T73] process_one_work+0x84d/0x18a0 [ 6960.242511][ T73] worker_thread+0x587/0xd30 [ 6960.242511][ T73] kthread+0x28a/0x350 [ 6960.242511][ T73] ret_from_fork+0x31/0x70 [ 6960.242511][ T73] ret_from_fork_asm+0x1a/0x30 [ 6960.242511][ T73] [ 6960.244663][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6960.244663][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.244663][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.244663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.244663][ T73] ip6_route_add+0x1c/0x140 [ 6960.244663][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6960.244663][ T73] inet6_addr_add+0x4f8/0xa40 [ 6960.244663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.244663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.244663][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.244663][ T73] netlink_unicast+0x449/0x710 [ 6960.244663][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.244663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.244663][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.244663][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.244663][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.244663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.244663][ T73] [ 6960.246887][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6960.246887][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.246887][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.246887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.246887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6960.246887][ T73] ipv6_add_addr+0x411/0x2000 [ 6960.246887][ T73] inet6_addr_add+0x30e/0xa40 [ 6960.246887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.246887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.246887][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.246887][ T73] netlink_unicast+0x449/0x710 [ 6960.246887][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.246887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.246887][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.246887][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.246887][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.246887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.246887][ T73] [ 6960.249188][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6960.249188][ T73] netdev_get_by_index+0x5e/0x80 [ 6960.249188][ T73] fib6_nh_init+0x3d8/0x1580 [ 6960.249188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6960.249188][ T73] ip6_route_add+0x1c/0x140 [ 6960.249188][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6960.249188][ T73] addrconf_add_dev+0xe2/0x170 [ 6960.249188][ T73] inet6_addr_add+0x12f/0xa40 [ 6960.249188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6960.249188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.249188][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.249188][ T73] netlink_unicast+0x449/0x710 [ 6960.249188][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.249188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.249188][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.249188][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.249188][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.249188][ T73] [ 6960.251319][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6960.251319][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6960.251319][ T73] ipv6_find_idev+0x102/0x170 [ 6960.251319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.251319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.251319][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.251319][ T73] netlink_unicast+0x449/0x710 [ 6960.251319][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.251319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.251319][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.251319][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.251319][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.251319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.251319][ T73] [ 6960.253043][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6960.253043][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6960.253043][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6960.253043][ T73] ipv6_find_idev+0x102/0x170 [ 6960.253043][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6960.253043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6960.253043][ T73] netlink_rcv_skb+0x130/0x360 [ 6960.253043][ T73] netlink_unicast+0x449/0x710 [ 6960.253043][ T73] netlink_sendmsg+0x723/0xbe0 [ 6960.253043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6960.253043][ T73] ___sys_sendmsg+0xee/0x170 [ 6960.253043][ T73] __sys_sendmsg+0xcd/0x170 [ 6960.253043][ T73] do_syscall_64+0xc6/0x1e0 [ 6960.253043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6960.253043][ T73] [ 6970.494892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6970.495327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.495327][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6970.495327][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6970.495327][ T73] fib6_nh_init+0xa22/0x1580 [ 6970.495327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.495327][ T73] ip6_route_add+0x1c/0x140 [ 6970.495327][ T73] inet6_rtm_newroute+0x104/0x110 [ 6970.495327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.495327][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.495327][ T73] netlink_unicast+0x449/0x710 [ 6970.495327][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.495327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.495327][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.495327][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.495327][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.495327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.495327][ T73] [ 6970.497213][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.497213][ T73] dst_init+0x84/0x4a0 [ 6970.497213][ T73] dst_alloc+0x97/0x150 [ 6970.497213][ T73] ip6_dst_alloc+0x23/0x90 [ 6970.497213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6970.497213][ T73] ip6_pol_route+0x56f/0x840 [ 6970.497213][ T73] fib6_rule_lookup+0x456/0x630 [ 6970.497213][ T73] ip6_route_input+0x59c/0xa50 [ 6970.497213][ T73] ipv6_rcv+0x397/0x810 [ 6970.497213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6970.497213][ T73] process_backlog+0x101/0x620 [ 6970.497213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6970.497213][ T73] net_rx_action+0x495/0xbe0 [ 6970.497213][ T73] __do_softirq+0x1b5/0x7f6 [ 6970.497213][ T73] [ 6970.498850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.498850][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.498850][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.498850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.498850][ T73] ip6_route_add+0x1c/0x140 [ 6970.498850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6970.498850][ T73] inet6_addr_add+0x4f8/0xa40 [ 6970.498850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.498850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.498850][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.498850][ T73] netlink_unicast+0x449/0x710 [ 6970.498850][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.498850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.498850][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.498850][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.498850][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.498850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.498850][ T73] [ 6970.500823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.500823][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.500823][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.500823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.500823][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6970.500823][ T73] ipv6_add_addr+0x411/0x2000 [ 6970.500823][ T73] inet6_addr_add+0x30e/0xa40 [ 6970.500823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.500823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.500823][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.500823][ T73] netlink_unicast+0x449/0x710 [ 6970.500823][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.500823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.500823][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.500823][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.500823][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.500823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.500823][ T73] [ 6970.502821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.502821][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.502821][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.502821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.502821][ T73] ip6_route_add+0x1c/0x140 [ 6970.502821][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6970.502821][ T73] addrconf_add_dev+0xe2/0x170 [ 6970.502821][ T73] inet6_addr_add+0x12f/0xa40 [ 6970.502821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.502821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.502821][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.502821][ T73] netlink_unicast+0x449/0x710 [ 6970.502821][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.502821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.502821][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.502821][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.502821][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.502821][ T73] [ 6970.504798][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.504798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6970.504798][ T73] ipv6_find_idev+0x102/0x170 [ 6970.504798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.504798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.504798][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.504798][ T73] netlink_unicast+0x449/0x710 [ 6970.504798][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.504798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.504798][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.504798][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.504798][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.504798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.504798][ T73] [ 6970.506330][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6970.506330][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6970.506330][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6970.506330][ T73] ipv6_find_idev+0x102/0x170 [ 6970.506330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.506330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.506330][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.506330][ T73] netlink_unicast+0x449/0x710 [ 6970.506330][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.506330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.506330][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.506330][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.506330][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.506330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.506330][ T73] [ 6970.508004][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6970.508284][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.508284][ T73] dst_init+0x84/0x4a0 [ 6970.508284][ T73] dst_alloc+0x97/0x150 [ 6970.508284][ T73] ip6_dst_alloc+0x23/0x90 [ 6970.508284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6970.508284][ T73] ip6_pol_route+0x56f/0x840 [ 6970.508284][ T73] fib6_rule_lookup+0x456/0x630 [ 6970.508284][ T73] ip6_route_input+0x59c/0xa50 [ 6970.508284][ T73] ipv6_rcv+0x397/0x810 [ 6970.508284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6970.508284][ T73] process_backlog+0x101/0x620 [ 6970.508284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6970.508284][ T73] net_rx_action+0x495/0xbe0 [ 6970.508284][ T73] __do_softirq+0x1b5/0x7f6 [ 6970.508284][ T73] [ 6970.509938][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.509938][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.509938][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.509938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.509938][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6970.509938][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6970.509938][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6970.509938][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6970.509938][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6970.509938][ T73] addrconf_dad_begin+0x310/0x670 [ 6970.509938][ T73] addrconf_dad_work+0x10b/0xab0 [ 6970.509938][ T73] process_one_work+0x84d/0x18a0 [ 6970.509938][ T73] worker_thread+0x587/0xd30 [ 6970.509938][ T73] kthread+0x28a/0x350 [ 6970.509938][ T73] ret_from_fork+0x31/0x70 [ 6970.509938][ T73] ret_from_fork_asm+0x1a/0x30 [ 6970.509938][ T73] [ 6970.511840][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.511840][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.511840][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.511840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.511840][ T73] ip6_route_add+0x1c/0x140 [ 6970.511840][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6970.511840][ T73] inet6_addr_add+0x4f8/0xa40 [ 6970.511840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.511840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.511840][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.511840][ T73] netlink_unicast+0x449/0x710 [ 6970.511840][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.511840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.511840][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.511840][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.511840][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.511840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.511840][ T73] [ 6970.513832][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.513832][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.513832][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.513832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.513832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6970.513832][ T73] ipv6_add_addr+0x411/0x2000 [ 6970.513832][ T73] inet6_addr_add+0x30e/0xa40 [ 6970.513832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.513832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.513832][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.513832][ T73] netlink_unicast+0x449/0x710 [ 6970.513832][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.513832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.513832][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.513832][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.513832][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.513832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.513832][ T73] [ 6970.515819][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.515819][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.515819][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.515819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.515819][ T73] ip6_route_add+0x1c/0x140 [ 6970.515819][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6970.515819][ T73] addrconf_add_dev+0xe2/0x170 [ 6970.515819][ T73] inet6_addr_add+0x12f/0xa40 [ 6970.515819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.515819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.515819][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.515819][ T73] netlink_unicast+0x449/0x710 [ 6970.515819][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.515819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.515819][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.515819][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.515819][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.515819][ T73] [ 6970.517773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.517773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6970.517773][ T73] ipv6_find_idev+0x102/0x170 [ 6970.517773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.517773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.517773][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.517773][ T73] netlink_unicast+0x449/0x710 [ 6970.517773][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.517773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.517773][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.517773][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.517773][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.517773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.517773][ T73] [ 6970.519305][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6970.519305][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6970.519305][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6970.519305][ T73] ipv6_find_idev+0x102/0x170 [ 6970.519305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.519305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.519305][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.519305][ T73] netlink_unicast+0x449/0x710 [ 6970.519305][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.519305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.519305][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.519305][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.519305][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.519305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.519305][ T73] [ 6970.521045][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6970.521315][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.521315][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6970.521315][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6970.521315][ T73] fib6_nh_init+0xa22/0x1580 [ 6970.521315][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.521315][ T73] ip6_route_add+0x1c/0x140 [ 6970.521315][ T73] inet6_rtm_newroute+0x104/0x110 [ 6970.521315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.521315][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.521315][ T73] netlink_unicast+0x449/0x710 [ 6970.521315][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.521315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.521315][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.521315][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.521315][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.521315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.521315][ T73] [ 6970.523325][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.523325][ T73] dst_init+0x84/0x4a0 [ 6970.523325][ T73] dst_alloc+0x97/0x150 [ 6970.523325][ T73] ip6_dst_alloc+0x23/0x90 [ 6970.523325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6970.523325][ T73] ip6_pol_route+0x56f/0x840 [ 6970.523325][ T73] fib6_rule_lookup+0x456/0x630 [ 6970.523325][ T73] ip6_route_input+0x59c/0xa50 [ 6970.523325][ T73] ipv6_rcv+0x397/0x810 [ 6970.523325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6970.523325][ T73] process_backlog+0x101/0x620 [ 6970.523325][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6970.523325][ T73] net_rx_action+0x495/0xbe0 [ 6970.523325][ T73] __do_softirq+0x1b5/0x7f6 [ 6970.523325][ T73] [ 6970.525083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.525083][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.525083][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.525083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.525083][ T73] ip6_route_add+0x1c/0x140 [ 6970.525083][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6970.525083][ T73] inet6_addr_add+0x4f8/0xa40 [ 6970.525083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.525083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.525083][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.525083][ T73] netlink_unicast+0x449/0x710 [ 6970.525083][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.525083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.525083][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.525083][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.525083][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.525083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.525083][ T73] [ 6970.527189][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.527189][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.527189][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.527189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.527189][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6970.527189][ T73] ipv6_add_addr+0x411/0x2000 [ 6970.527189][ T73] inet6_addr_add+0x30e/0xa40 [ 6970.527189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.527189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.527189][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.527189][ T73] netlink_unicast+0x449/0x710 [ 6970.527189][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.527189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.527189][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.527189][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.527189][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.527189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.527189][ T73] [ 6970.529381][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.529381][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.529381][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.529381][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.529381][ T73] ip6_route_add+0x1c/0x140 [ 6970.529381][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6970.529381][ T73] addrconf_add_dev+0xe2/0x170 [ 6970.529381][ T73] inet6_addr_add+0x12f/0xa40 [ 6970.529381][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.529381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.529381][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.529381][ T73] netlink_unicast+0x449/0x710 [ 6970.529381][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.529381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.529381][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.529381][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.529381][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.529381][ T73] [ 6970.531464][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.531464][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6970.531464][ T73] ipv6_find_idev+0x102/0x170 [ 6970.531464][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.531464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.531464][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.531464][ T73] netlink_unicast+0x449/0x710 [ 6970.531464][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.531464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.531464][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.531464][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.531464][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.531464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.531464][ T73] [ 6970.533065][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6970.533065][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6970.533065][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6970.533065][ T73] ipv6_find_idev+0x102/0x170 [ 6970.533065][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.533065][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.533065][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.533065][ T73] netlink_unicast+0x449/0x710 [ 6970.533065][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.533065][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.533065][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.533065][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.533065][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.533065][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.533065][ T73] [ 6970.534863][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6970.535127][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6970.535127][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.535127][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.535127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.535127][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6970.535127][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6970.535127][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6970.535127][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6970.535127][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6970.535127][ T73] addrconf_dad_begin+0x310/0x670 [ 6970.535127][ T73] addrconf_dad_work+0x10b/0xab0 [ 6970.535127][ T73] process_one_work+0x84d/0x18a0 [ 6970.535127][ T73] worker_thread+0x587/0xd30 [ 6970.535127][ T73] kthread+0x28a/0x350 [ 6970.535127][ T73] ret_from_fork+0x31/0x70 [ 6970.535127][ T73] ret_from_fork_asm+0x1a/0x30 [ 6970.535127][ T73] [ 6970.537159][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6970.537159][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.537159][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.537159][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.537159][ T73] ip6_route_add+0x1c/0x140 [ 6970.537159][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6970.537159][ T73] inet6_addr_add+0x4f8/0xa40 [ 6970.537159][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.537159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.537159][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.537159][ T73] netlink_unicast+0x449/0x710 [ 6970.537159][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.537159][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.537159][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.537159][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.537159][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.537159][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.537159][ T73] [ 6970.539284][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6970.539284][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.539284][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.539284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.539284][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6970.539284][ T73] ipv6_add_addr+0x411/0x2000 [ 6970.539284][ T73] inet6_addr_add+0x30e/0xa40 [ 6970.539284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.539284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.539284][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.539284][ T73] netlink_unicast+0x449/0x710 [ 6970.539284][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.539284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.539284][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.539284][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.539284][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.539284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.539284][ T73] [ 6970.541402][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6970.541402][ T73] netdev_get_by_index+0x5e/0x80 [ 6970.541402][ T73] fib6_nh_init+0x3d8/0x1580 [ 6970.541402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6970.541402][ T73] ip6_route_add+0x1c/0x140 [ 6970.541402][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6970.541402][ T73] addrconf_add_dev+0xe2/0x170 [ 6970.541402][ T73] inet6_addr_add+0x12f/0xa40 [ 6970.541402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6970.541402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.541402][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.541402][ T73] netlink_unicast+0x449/0x710 [ 6970.541402][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.541402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.541402][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.541402][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.541402][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.541402][ T73] [ 6970.543420][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6970.543420][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6970.543420][ T73] ipv6_find_idev+0x102/0x170 [ 6970.543420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.543420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.543420][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.543420][ T73] netlink_unicast+0x449/0x710 [ 6970.543420][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.543420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.543420][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.543420][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.543420][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.543420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.543420][ T73] [ 6970.545078][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6970.545078][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6970.545078][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6970.545078][ T73] ipv6_find_idev+0x102/0x170 [ 6970.545078][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6970.545078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6970.545078][ T73] netlink_rcv_skb+0x130/0x360 [ 6970.545078][ T73] netlink_unicast+0x449/0x710 [ 6970.545078][ T73] netlink_sendmsg+0x723/0xbe0 [ 6970.545078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6970.545078][ T73] ___sys_sendmsg+0xee/0x170 [ 6970.545078][ T73] __sys_sendmsg+0xcd/0x170 [ 6970.545078][ T73] do_syscall_64+0xc6/0x1e0 [ 6970.545078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6970.545078][ T73] [ 6980.558908][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6980.559309][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.559309][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6980.559309][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6980.559309][ T73] fib6_nh_init+0xa22/0x1580 [ 6980.559309][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.559309][ T73] ip6_route_add+0x1c/0x140 [ 6980.559309][ T73] inet6_rtm_newroute+0x104/0x110 [ 6980.559309][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.559309][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.559309][ T73] netlink_unicast+0x449/0x710 [ 6980.559309][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.559309][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.559309][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.559309][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.559309][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.559309][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.559309][ T73] [ 6980.561206][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.561206][ T73] dst_init+0x84/0x4a0 [ 6980.561206][ T73] dst_alloc+0x97/0x150 [ 6980.561206][ T73] ip6_dst_alloc+0x23/0x90 [ 6980.561206][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6980.561206][ T73] ip6_pol_route+0x56f/0x840 [ 6980.561206][ T73] fib6_rule_lookup+0x456/0x630 [ 6980.561206][ T73] ip6_route_input+0x59c/0xa50 [ 6980.561206][ T73] ipv6_rcv+0x397/0x810 [ 6980.561206][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6980.561206][ T73] process_backlog+0x101/0x620 [ 6980.561206][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6980.561206][ T73] net_rx_action+0x495/0xbe0 [ 6980.561206][ T73] __do_softirq+0x1b5/0x7f6 [ 6980.561206][ T73] [ 6980.562830][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.562830][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.562830][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.562830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.562830][ T73] ip6_route_add+0x1c/0x140 [ 6980.562830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6980.562830][ T73] inet6_addr_add+0x4f8/0xa40 [ 6980.562830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.562830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.562830][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.562830][ T73] netlink_unicast+0x449/0x710 [ 6980.562830][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.562830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.562830][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.562830][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.562830][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.562830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.562830][ T73] [ 6980.564832][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.564832][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.564832][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.564832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.564832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6980.564832][ T73] ipv6_add_addr+0x411/0x2000 [ 6980.564832][ T73] inet6_addr_add+0x30e/0xa40 [ 6980.564832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.564832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.564832][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.564832][ T73] netlink_unicast+0x449/0x710 [ 6980.564832][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.564832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.564832][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.564832][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.564832][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.564832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.564832][ T73] [ 6980.566819][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.566819][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.566819][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.566819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.566819][ T73] ip6_route_add+0x1c/0x140 [ 6980.566819][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6980.566819][ T73] addrconf_add_dev+0xe2/0x170 [ 6980.566819][ T73] inet6_addr_add+0x12f/0xa40 [ 6980.566819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.566819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.566819][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.566819][ T73] netlink_unicast+0x449/0x710 [ 6980.566819][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.566819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.566819][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.566819][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.566819][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.566819][ T73] [ 6980.568781][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.568781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6980.568781][ T73] ipv6_find_idev+0x102/0x170 [ 6980.568781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.568781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.568781][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.568781][ T73] netlink_unicast+0x449/0x710 [ 6980.568781][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.568781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.568781][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.568781][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.568781][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.568781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.568781][ T73] [ 6980.570304][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6980.570304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6980.570304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6980.570304][ T73] ipv6_find_idev+0x102/0x170 [ 6980.570304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.570304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.570304][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.570304][ T73] netlink_unicast+0x449/0x710 [ 6980.570304][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.570304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.570304][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.570304][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.570304][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.570304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.570304][ T73] [ 6980.571968][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6980.572236][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.572236][ T73] dst_init+0x84/0x4a0 [ 6980.572236][ T73] dst_alloc+0x97/0x150 [ 6980.572236][ T73] ip6_dst_alloc+0x23/0x90 [ 6980.572236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6980.572236][ T73] ip6_pol_route+0x56f/0x840 [ 6980.572236][ T73] fib6_rule_lookup+0x456/0x630 [ 6980.572236][ T73] ip6_route_input+0x59c/0xa50 [ 6980.572236][ T73] ipv6_rcv+0x397/0x810 [ 6980.572236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6980.572236][ T73] process_backlog+0x101/0x620 [ 6980.572236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6980.572236][ T73] net_rx_action+0x495/0xbe0 [ 6980.572236][ T73] __do_softirq+0x1b5/0x7f6 [ 6980.572236][ T73] [ 6980.573859][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.573859][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.573859][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.573859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.573859][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6980.573859][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6980.573859][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6980.573859][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6980.573859][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6980.573859][ T73] addrconf_dad_begin+0x310/0x670 [ 6980.573859][ T73] addrconf_dad_work+0x10b/0xab0 [ 6980.573859][ T73] process_one_work+0x84d/0x18a0 [ 6980.573859][ T73] worker_thread+0x587/0xd30 [ 6980.573859][ T73] kthread+0x28a/0x350 [ 6980.573859][ T73] ret_from_fork+0x31/0x70 [ 6980.573859][ T73] ret_from_fork_asm+0x1a/0x30 [ 6980.573859][ T73] [ 6980.575745][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.575745][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.575745][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.575745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.575745][ T73] ip6_route_add+0x1c/0x140 [ 6980.575745][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6980.575745][ T73] inet6_addr_add+0x4f8/0xa40 [ 6980.575745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.575745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.575745][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.575745][ T73] netlink_unicast+0x449/0x710 [ 6980.575745][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.575745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.575745][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.575745][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.575745][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.575745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.575745][ T73] [ 6980.577723][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.577723][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.577723][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.577723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.577723][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6980.577723][ T73] ipv6_add_addr+0x411/0x2000 [ 6980.577723][ T73] inet6_addr_add+0x30e/0xa40 [ 6980.577723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.577723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.577723][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.577723][ T73] netlink_unicast+0x449/0x710 [ 6980.577723][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.577723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.577723][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.577723][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.577723][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.577723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.577723][ T73] [ 6980.579701][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.579701][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.579701][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.579701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.579701][ T73] ip6_route_add+0x1c/0x140 [ 6980.579701][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6980.579701][ T73] addrconf_add_dev+0xe2/0x170 [ 6980.579701][ T73] inet6_addr_add+0x12f/0xa40 [ 6980.579701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.579701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.579701][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.579701][ T73] netlink_unicast+0x449/0x710 [ 6980.579701][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.579701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.579701][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.579701][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.579701][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.579701][ T73] [ 6980.581655][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.581655][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6980.581655][ T73] ipv6_find_idev+0x102/0x170 [ 6980.581655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.581655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.581655][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.581655][ T73] netlink_unicast+0x449/0x710 [ 6980.581655][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.581655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.581655][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.581655][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.581655][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.581655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.581655][ T73] [ 6980.583195][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6980.583195][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6980.583195][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6980.583195][ T73] ipv6_find_idev+0x102/0x170 [ 6980.583195][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.583195][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.583195][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.583195][ T73] netlink_unicast+0x449/0x710 [ 6980.583195][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.583195][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.583195][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.583195][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.583195][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.583195][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.583195][ T73] [ 6980.584982][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6980.585307][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.585307][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6980.585307][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6980.585307][ T73] fib6_nh_init+0xa22/0x1580 [ 6980.585307][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.585307][ T73] ip6_route_add+0x1c/0x140 [ 6980.585307][ T73] inet6_rtm_newroute+0x104/0x110 [ 6980.585307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.585307][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.585307][ T73] netlink_unicast+0x449/0x710 [ 6980.585307][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.585307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.585307][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.585307][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.585307][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.585307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.585307][ T73] [ 6980.587420][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.587420][ T73] dst_init+0x84/0x4a0 [ 6980.587420][ T73] dst_alloc+0x97/0x150 [ 6980.587420][ T73] ip6_dst_alloc+0x23/0x90 [ 6980.587420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6980.587420][ T73] ip6_pol_route+0x56f/0x840 [ 6980.587420][ T73] fib6_rule_lookup+0x456/0x630 [ 6980.587420][ T73] ip6_route_input+0x59c/0xa50 [ 6980.587420][ T73] ipv6_rcv+0x397/0x810 [ 6980.587420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6980.587420][ T73] process_backlog+0x101/0x620 [ 6980.587420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6980.587420][ T73] net_rx_action+0x495/0xbe0 [ 6980.587420][ T73] __do_softirq+0x1b5/0x7f6 [ 6980.587420][ T73] [ 6980.589229][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.589229][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.589229][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.589229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.589229][ T73] ip6_route_add+0x1c/0x140 [ 6980.589229][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6980.589229][ T73] inet6_addr_add+0x4f8/0xa40 [ 6980.589229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.589229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.589229][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.589229][ T73] netlink_unicast+0x449/0x710 [ 6980.589229][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.589229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.589229][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.589229][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.589229][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.589229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.589229][ T73] [ 6980.591456][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.591456][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.591456][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.591456][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.591456][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6980.591456][ T73] ipv6_add_addr+0x411/0x2000 [ 6980.591456][ T73] inet6_addr_add+0x30e/0xa40 [ 6980.591456][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.591456][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.591456][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.591456][ T73] netlink_unicast+0x449/0x710 [ 6980.591456][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.591456][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.591456][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.591456][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.591456][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.591456][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.591456][ T73] [ 6980.593682][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.593682][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.593682][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.593682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.593682][ T73] ip6_route_add+0x1c/0x140 [ 6980.593682][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6980.593682][ T73] addrconf_add_dev+0xe2/0x170 [ 6980.593682][ T73] inet6_addr_add+0x12f/0xa40 [ 6980.593682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.593682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.593682][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.593682][ T73] netlink_unicast+0x449/0x710 [ 6980.593682][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.593682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.593682][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.593682][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.593682][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.593682][ T73] [ 6980.595926][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.595926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6980.595926][ T73] ipv6_find_idev+0x102/0x170 [ 6980.595926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.595926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.595926][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.595926][ T73] netlink_unicast+0x449/0x710 [ 6980.595926][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.595926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.595926][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.595926][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.595926][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.595926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.595926][ T73] [ 6980.597632][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6980.597632][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6980.597632][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6980.597632][ T73] ipv6_find_idev+0x102/0x170 [ 6980.597632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.597632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.597632][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.597632][ T73] netlink_unicast+0x449/0x710 [ 6980.597632][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.597632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.597632][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.597632][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.597632][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.597632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.597632][ T73] [ 6980.599485][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6980.599747][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6980.599747][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.599747][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.599747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.599747][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6980.599747][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6980.599747][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6980.599747][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6980.599747][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6980.599747][ T73] addrconf_dad_begin+0x310/0x670 [ 6980.599747][ T73] addrconf_dad_work+0x10b/0xab0 [ 6980.599747][ T73] process_one_work+0x84d/0x18a0 [ 6980.599747][ T73] worker_thread+0x587/0xd30 [ 6980.599747][ T73] kthread+0x28a/0x350 [ 6980.599747][ T73] ret_from_fork+0x31/0x70 [ 6980.599747][ T73] ret_from_fork_asm+0x1a/0x30 [ 6980.599747][ T73] [ 6980.601881][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6980.601881][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.601881][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.601881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.601881][ T73] ip6_route_add+0x1c/0x140 [ 6980.601881][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6980.601881][ T73] inet6_addr_add+0x4f8/0xa40 [ 6980.601881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.601881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.601881][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.601881][ T73] netlink_unicast+0x449/0x710 [ 6980.601881][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.601881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.601881][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.601881][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.601881][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.601881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.601881][ T73] [ 6980.604108][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6980.604108][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.604108][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.604108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.604108][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6980.604108][ T73] ipv6_add_addr+0x411/0x2000 [ 6980.604108][ T73] inet6_addr_add+0x30e/0xa40 [ 6980.604108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.604108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.604108][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.604108][ T73] netlink_unicast+0x449/0x710 [ 6980.604108][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.604108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.604108][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.604108][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.604108][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.604108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.604108][ T73] [ 6980.606396][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6980.606396][ T73] netdev_get_by_index+0x5e/0x80 [ 6980.606396][ T73] fib6_nh_init+0x3d8/0x1580 [ 6980.606396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6980.606396][ T73] ip6_route_add+0x1c/0x140 [ 6980.606396][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6980.606396][ T73] addrconf_add_dev+0xe2/0x170 [ 6980.606396][ T73] inet6_addr_add+0x12f/0xa40 [ 6980.606396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6980.606396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.606396][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.606396][ T73] netlink_unicast+0x449/0x710 [ 6980.606396][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.606396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.606396][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.606396][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.606396][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.606396][ T73] [ 6980.608529][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6980.608529][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6980.608529][ T73] ipv6_find_idev+0x102/0x170 [ 6980.608529][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.608529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.608529][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.608529][ T73] netlink_unicast+0x449/0x710 [ 6980.608529][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.608529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.608529][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.608529][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.608529][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.608529][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.608529][ T73] [ 6980.610265][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6980.610265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6980.610265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6980.610265][ T73] ipv6_find_idev+0x102/0x170 [ 6980.610265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6980.610265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6980.610265][ T73] netlink_rcv_skb+0x130/0x360 [ 6980.610265][ T73] netlink_unicast+0x449/0x710 [ 6980.610265][ T73] netlink_sendmsg+0x723/0xbe0 [ 6980.610265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6980.610265][ T73] ___sys_sendmsg+0xee/0x170 [ 6980.610265][ T73] __sys_sendmsg+0xcd/0x170 [ 6980.610265][ T73] do_syscall_64+0xc6/0x1e0 [ 6980.610265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6980.610265][ T73] [ 6990.798841][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 6990.799219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.799219][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6990.799219][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6990.799219][ T73] fib6_nh_init+0xa22/0x1580 [ 6990.799219][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.799219][ T73] ip6_route_add+0x1c/0x140 [ 6990.799219][ T73] inet6_rtm_newroute+0x104/0x110 [ 6990.799219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.799219][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.799219][ T73] netlink_unicast+0x449/0x710 [ 6990.799219][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.799219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.799219][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.799219][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.799219][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.799219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.799219][ T73] [ 6990.801087][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.801087][ T73] dst_init+0x84/0x4a0 [ 6990.801087][ T73] dst_alloc+0x97/0x150 [ 6990.801087][ T73] ip6_dst_alloc+0x23/0x90 [ 6990.801087][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6990.801087][ T73] ip6_pol_route+0x56f/0x840 [ 6990.801087][ T73] fib6_rule_lookup+0x456/0x630 [ 6990.801087][ T73] ip6_route_input+0x59c/0xa50 [ 6990.801087][ T73] ipv6_rcv+0x397/0x810 [ 6990.801087][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6990.801087][ T73] process_backlog+0x101/0x620 [ 6990.801087][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6990.801087][ T73] net_rx_action+0x495/0xbe0 [ 6990.801087][ T73] __do_softirq+0x1b5/0x7f6 [ 6990.801087][ T73] [ 6990.802724][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.802724][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.802724][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.802724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.802724][ T73] ip6_route_add+0x1c/0x140 [ 6990.802724][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6990.802724][ T73] inet6_addr_add+0x4f8/0xa40 [ 6990.802724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.802724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.802724][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.802724][ T73] netlink_unicast+0x449/0x710 [ 6990.802724][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.802724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.802724][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.802724][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.802724][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.802724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.802724][ T73] [ 6990.804703][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.804703][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.804703][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.804703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.804703][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6990.804703][ T73] ipv6_add_addr+0x411/0x2000 [ 6990.804703][ T73] inet6_addr_add+0x30e/0xa40 [ 6990.804703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.804703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.804703][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.804703][ T73] netlink_unicast+0x449/0x710 [ 6990.804703][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.804703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.804703][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.804703][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.804703][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.804703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.804703][ T73] [ 6990.806700][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.806700][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.806700][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.806700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.806700][ T73] ip6_route_add+0x1c/0x140 [ 6990.806700][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6990.806700][ T73] addrconf_add_dev+0xe2/0x170 [ 6990.806700][ T73] inet6_addr_add+0x12f/0xa40 [ 6990.806700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.806700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.806700][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.806700][ T73] netlink_unicast+0x449/0x710 [ 6990.806700][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.806700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.806700][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.806700][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.806700][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.806700][ T73] [ 6990.808671][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.808671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6990.808671][ T73] ipv6_find_idev+0x102/0x170 [ 6990.808671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.808671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.808671][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.808671][ T73] netlink_unicast+0x449/0x710 [ 6990.808671][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.808671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.808671][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.808671][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.808671][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.808671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.808671][ T73] [ 6990.810201][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 6990.810201][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6990.810201][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6990.810201][ T73] ipv6_find_idev+0x102/0x170 [ 6990.810201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.810201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.810201][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.810201][ T73] netlink_unicast+0x449/0x710 [ 6990.810201][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.810201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.810201][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.810201][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.810201][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.810201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.810201][ T73] [ 6990.811879][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6990.812157][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.812157][ T73] dst_init+0x84/0x4a0 [ 6990.812157][ T73] dst_alloc+0x97/0x150 [ 6990.812157][ T73] ip6_dst_alloc+0x23/0x90 [ 6990.812157][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6990.812157][ T73] ip6_pol_route+0x56f/0x840 [ 6990.812157][ T73] fib6_rule_lookup+0x456/0x630 [ 6990.812157][ T73] ip6_route_input+0x59c/0xa50 [ 6990.812157][ T73] ipv6_rcv+0x397/0x810 [ 6990.812157][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6990.812157][ T73] process_backlog+0x101/0x620 [ 6990.812157][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6990.812157][ T73] net_rx_action+0x495/0xbe0 [ 6990.812157][ T73] __do_softirq+0x1b5/0x7f6 [ 6990.812157][ T73] [ 6990.813786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.813786][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.813786][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.813786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.813786][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6990.813786][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6990.813786][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6990.813786][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6990.813786][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6990.813786][ T73] addrconf_dad_begin+0x310/0x670 [ 6990.813786][ T73] addrconf_dad_work+0x10b/0xab0 [ 6990.813786][ T73] process_one_work+0x84d/0x18a0 [ 6990.813786][ T73] worker_thread+0x587/0xd30 [ 6990.813786][ T73] kthread+0x28a/0x350 [ 6990.813786][ T73] ret_from_fork+0x31/0x70 [ 6990.813786][ T73] ret_from_fork_asm+0x1a/0x30 [ 6990.813786][ T73] [ 6990.815682][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.815682][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.815682][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.815682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.815682][ T73] ip6_route_add+0x1c/0x140 [ 6990.815682][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6990.815682][ T73] inet6_addr_add+0x4f8/0xa40 [ 6990.815682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.815682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.815682][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.815682][ T73] netlink_unicast+0x449/0x710 [ 6990.815682][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.815682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.815682][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.815682][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.815682][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.815682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.815682][ T73] [ 6990.817659][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.817659][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.817659][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.817659][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.817659][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6990.817659][ T73] ipv6_add_addr+0x411/0x2000 [ 6990.817659][ T73] inet6_addr_add+0x30e/0xa40 [ 6990.817659][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.817659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.817659][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.817659][ T73] netlink_unicast+0x449/0x710 [ 6990.817659][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.817659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.817659][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.817659][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.817659][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.817659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.817659][ T73] [ 6990.819652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.819652][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.819652][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.819652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.819652][ T73] ip6_route_add+0x1c/0x140 [ 6990.819652][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6990.819652][ T73] addrconf_add_dev+0xe2/0x170 [ 6990.819652][ T73] inet6_addr_add+0x12f/0xa40 [ 6990.819652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.819652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.819652][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.819652][ T73] netlink_unicast+0x449/0x710 [ 6990.819652][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.819652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.819652][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.819652][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.819652][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.819652][ T73] [ 6990.821622][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.821622][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6990.821622][ T73] ipv6_find_idev+0x102/0x170 [ 6990.821622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.821622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.821622][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.821622][ T73] netlink_unicast+0x449/0x710 [ 6990.821622][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.821622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.821622][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.821622][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.821622][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.821622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.821622][ T73] [ 6990.823150][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 6990.823150][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6990.823150][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6990.823150][ T73] ipv6_find_idev+0x102/0x170 [ 6990.823150][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.823150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.823150][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.823150][ T73] netlink_unicast+0x449/0x710 [ 6990.823150][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.823150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.823150][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.823150][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.823150][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.823150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.823150][ T73] [ 6990.824972][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6990.825308][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.825308][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 6990.825308][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 6990.825308][ T73] fib6_nh_init+0xa22/0x1580 [ 6990.825308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.825308][ T73] ip6_route_add+0x1c/0x140 [ 6990.825308][ T73] inet6_rtm_newroute+0x104/0x110 [ 6990.825308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.825308][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.825308][ T73] netlink_unicast+0x449/0x710 [ 6990.825308][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.825308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.825308][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.825308][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.825308][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.825308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.825308][ T73] [ 6990.827357][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.827357][ T73] dst_init+0x84/0x4a0 [ 6990.827357][ T73] dst_alloc+0x97/0x150 [ 6990.827357][ T73] ip6_dst_alloc+0x23/0x90 [ 6990.827357][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6990.827357][ T73] ip6_pol_route+0x56f/0x840 [ 6990.827357][ T73] fib6_rule_lookup+0x456/0x630 [ 6990.827357][ T73] ip6_route_input+0x59c/0xa50 [ 6990.827357][ T73] ipv6_rcv+0x397/0x810 [ 6990.827357][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 6990.827357][ T73] process_backlog+0x101/0x620 [ 6990.827357][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 6990.827357][ T73] net_rx_action+0x495/0xbe0 [ 6990.827357][ T73] __do_softirq+0x1b5/0x7f6 [ 6990.827357][ T73] [ 6990.829168][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.829168][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.829168][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.829168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.829168][ T73] ip6_route_add+0x1c/0x140 [ 6990.829168][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6990.829168][ T73] inet6_addr_add+0x4f8/0xa40 [ 6990.829168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.829168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.829168][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.829168][ T73] netlink_unicast+0x449/0x710 [ 6990.829168][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.829168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.829168][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.829168][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.829168][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.829168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.829168][ T73] [ 6990.831964][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.831964][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.831964][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.831964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.831964][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6990.831964][ T73] ipv6_add_addr+0x411/0x2000 [ 6990.831964][ T73] inet6_addr_add+0x30e/0xa40 [ 6990.831964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.831964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.831964][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.831964][ T73] netlink_unicast+0x449/0x710 [ 6990.831964][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.831964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.831964][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.831964][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.831964][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.831964][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.831964][ T73] [ 6990.834127][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.834127][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.834127][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.834127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.834127][ T73] ip6_route_add+0x1c/0x140 [ 6990.834127][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6990.834127][ T73] addrconf_add_dev+0xe2/0x170 [ 6990.834127][ T73] inet6_addr_add+0x12f/0xa40 [ 6990.834127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.834127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.834127][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.834127][ T73] netlink_unicast+0x449/0x710 [ 6990.834127][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.834127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.834127][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.834127][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.834127][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.834127][ T73] [ 6990.836311][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.836311][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6990.836311][ T73] ipv6_find_idev+0x102/0x170 [ 6990.836311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.836311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.836311][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.836311][ T73] netlink_unicast+0x449/0x710 [ 6990.836311][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.836311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.836311][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.836311][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.836311][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.836311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.836311][ T73] [ 6990.838013][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 6990.838013][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6990.838013][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6990.838013][ T73] ipv6_find_idev+0x102/0x170 [ 6990.838013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.838013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.838013][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.838013][ T73] netlink_unicast+0x449/0x710 [ 6990.838013][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.838013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.838013][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.838013][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.838013][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.838013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.838013][ T73] [ 6990.839919][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6990.840188][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6990.840188][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.840188][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.840188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.840188][ T73] addrconf_f6i_alloc+0x265/0x560 [ 6990.840188][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6990.840188][ T73] addrconf_join_anycast+0x1c0/0x220 [ 6990.840188][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6990.840188][ T73] addrconf_dad_completed+0x12b/0xe20 [ 6990.840188][ T73] addrconf_dad_begin+0x310/0x670 [ 6990.840188][ T73] addrconf_dad_work+0x10b/0xab0 [ 6990.840188][ T73] process_one_work+0x84d/0x18a0 [ 6990.840188][ T73] worker_thread+0x587/0xd30 [ 6990.840188][ T73] kthread+0x28a/0x350 [ 6990.840188][ T73] ret_from_fork+0x31/0x70 [ 6990.840188][ T73] ret_from_fork_asm+0x1a/0x30 [ 6990.840188][ T73] [ 6990.842314][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6990.842314][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.842314][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.842314][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.842314][ T73] ip6_route_add+0x1c/0x140 [ 6990.842314][ T73] addrconf_prefix_route+0x2a6/0x430 [ 6990.842314][ T73] inet6_addr_add+0x4f8/0xa40 [ 6990.842314][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.842314][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.842314][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.842314][ T73] netlink_unicast+0x449/0x710 [ 6990.842314][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.842314][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.842314][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.842314][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.842314][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.842314][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.842314][ T73] [ 6990.844527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6990.844527][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.844527][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.844527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.844527][ T73] addrconf_f6i_alloc+0x315/0x560 [ 6990.844527][ T73] ipv6_add_addr+0x411/0x2000 [ 6990.844527][ T73] inet6_addr_add+0x30e/0xa40 [ 6990.844527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.844527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.844527][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.844527][ T73] netlink_unicast+0x449/0x710 [ 6990.844527][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.844527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.844527][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.844527][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.844527][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.844527][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.844527][ T73] [ 6990.846744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6990.846744][ T73] netdev_get_by_index+0x5e/0x80 [ 6990.846744][ T73] fib6_nh_init+0x3d8/0x1580 [ 6990.846744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 6990.846744][ T73] ip6_route_add+0x1c/0x140 [ 6990.846744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 6990.846744][ T73] addrconf_add_dev+0xe2/0x170 [ 6990.846744][ T73] inet6_addr_add+0x12f/0xa40 [ 6990.846744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 6990.846744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.846744][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.846744][ T73] netlink_unicast+0x449/0x710 [ 6990.846744][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.846744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.846744][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.846744][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.846744][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.846744][ T73] [ 6990.849266][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6990.849266][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 6990.849266][ T73] ipv6_find_idev+0x102/0x170 [ 6990.849266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.849266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.849266][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.849266][ T73] netlink_unicast+0x449/0x710 [ 6990.849266][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.849266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.849266][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.849266][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.849266][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.849266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.849266][ T73] [ 6990.851033][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 6990.851033][ T73] neigh_parms_alloc+0x1e5/0x510 [ 6990.851033][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 6990.851033][ T73] ipv6_find_idev+0x102/0x170 [ 6990.851033][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 6990.851033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6990.851033][ T73] netlink_rcv_skb+0x130/0x360 [ 6990.851033][ T73] netlink_unicast+0x449/0x710 [ 6990.851033][ T73] netlink_sendmsg+0x723/0xbe0 [ 6990.851033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 6990.851033][ T73] ___sys_sendmsg+0xee/0x170 [ 6990.851033][ T73] __sys_sendmsg+0xcd/0x170 [ 6990.851033][ T73] do_syscall_64+0xc6/0x1e0 [ 6990.851033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6990.851033][ T73] [ 7000.942883][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7000.943324][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.943324][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7000.943324][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7000.943324][ T73] fib6_nh_init+0xa22/0x1580 [ 7000.943324][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.943324][ T73] ip6_route_add+0x1c/0x140 [ 7000.943324][ T73] inet6_rtm_newroute+0x104/0x110 [ 7000.943324][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.943324][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.943324][ T73] netlink_unicast+0x449/0x710 [ 7000.943324][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.943324][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.943324][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.943324][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.943324][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.943324][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.943324][ T73] [ 7000.945209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.945209][ T73] dst_init+0x84/0x4a0 [ 7000.945209][ T73] dst_alloc+0x97/0x150 [ 7000.945209][ T73] ip6_dst_alloc+0x23/0x90 [ 7000.945209][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7000.945209][ T73] ip6_pol_route+0x56f/0x840 [ 7000.945209][ T73] fib6_rule_lookup+0x456/0x630 [ 7000.945209][ T73] ip6_route_input+0x59c/0xa50 [ 7000.945209][ T73] ipv6_rcv+0x397/0x810 [ 7000.945209][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7000.945209][ T73] process_backlog+0x101/0x620 [ 7000.945209][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7000.945209][ T73] net_rx_action+0x495/0xbe0 [ 7000.945209][ T73] __do_softirq+0x1b5/0x7f6 [ 7000.945209][ T73] [ 7000.946852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.946852][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.946852][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.946852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.946852][ T73] ip6_route_add+0x1c/0x140 [ 7000.946852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7000.946852][ T73] inet6_addr_add+0x4f8/0xa40 [ 7000.946852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.946852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.946852][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.946852][ T73] netlink_unicast+0x449/0x710 [ 7000.946852][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.946852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.946852][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.946852][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.946852][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.946852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.946852][ T73] [ 7000.948869][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.948869][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.948869][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.948869][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.948869][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7000.948869][ T73] ipv6_add_addr+0x411/0x2000 [ 7000.948869][ T73] inet6_addr_add+0x30e/0xa40 [ 7000.948869][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.948869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.948869][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.948869][ T73] netlink_unicast+0x449/0x710 [ 7000.948869][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.948869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.948869][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.948869][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.948869][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.948869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.948869][ T73] [ 7000.950905][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.950905][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.950905][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.950905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.950905][ T73] ip6_route_add+0x1c/0x140 [ 7000.950905][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7000.950905][ T73] addrconf_add_dev+0xe2/0x170 [ 7000.950905][ T73] inet6_addr_add+0x12f/0xa40 [ 7000.950905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.950905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.950905][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.950905][ T73] netlink_unicast+0x449/0x710 [ 7000.950905][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.950905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.950905][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.950905][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.950905][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.950905][ T73] [ 7000.952898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.952898][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7000.952898][ T73] ipv6_find_idev+0x102/0x170 [ 7000.952898][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.952898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.952898][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.952898][ T73] netlink_unicast+0x449/0x710 [ 7000.952898][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.952898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.952898][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.952898][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.952898][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.952898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.952898][ T73] [ 7000.954453][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7000.954453][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7000.954453][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7000.954453][ T73] ipv6_find_idev+0x102/0x170 [ 7000.954453][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.954453][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.954453][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.954453][ T73] netlink_unicast+0x449/0x710 [ 7000.954453][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.954453][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.954453][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.954453][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.954453][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.954453][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.954453][ T73] [ 7000.956116][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7000.956403][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.956403][ T73] dst_init+0x84/0x4a0 [ 7000.956403][ T73] dst_alloc+0x97/0x150 [ 7000.956403][ T73] ip6_dst_alloc+0x23/0x90 [ 7000.956403][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7000.956403][ T73] ip6_pol_route+0x56f/0x840 [ 7000.956403][ T73] fib6_rule_lookup+0x456/0x630 [ 7000.956403][ T73] ip6_route_input+0x59c/0xa50 [ 7000.956403][ T73] ipv6_rcv+0x397/0x810 [ 7000.956403][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7000.956403][ T73] process_backlog+0x101/0x620 [ 7000.956403][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7000.956403][ T73] net_rx_action+0x495/0xbe0 [ 7000.956403][ T73] __do_softirq+0x1b5/0x7f6 [ 7000.956403][ T73] [ 7000.958103][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.958103][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.958103][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.958103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.958103][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7000.958103][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7000.958103][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7000.958103][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7000.958103][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7000.958103][ T73] addrconf_dad_begin+0x310/0x670 [ 7000.958103][ T73] addrconf_dad_work+0x10b/0xab0 [ 7000.958103][ T73] process_one_work+0x84d/0x18a0 [ 7000.958103][ T73] worker_thread+0x587/0xd30 [ 7000.958103][ T73] kthread+0x28a/0x350 [ 7000.958103][ T73] ret_from_fork+0x31/0x70 [ 7000.958103][ T73] ret_from_fork_asm+0x1a/0x30 [ 7000.958103][ T73] [ 7000.960030][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.960030][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.960030][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.960030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.960030][ T73] ip6_route_add+0x1c/0x140 [ 7000.960030][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7000.960030][ T73] inet6_addr_add+0x4f8/0xa40 [ 7000.960030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.960030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.960030][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.960030][ T73] netlink_unicast+0x449/0x710 [ 7000.960030][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.960030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.960030][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.960030][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.960030][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.960030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.960030][ T73] [ 7000.962023][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.962023][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.962023][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.962023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.962023][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7000.962023][ T73] ipv6_add_addr+0x411/0x2000 [ 7000.962023][ T73] inet6_addr_add+0x30e/0xa40 [ 7000.962023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.962023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.962023][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.962023][ T73] netlink_unicast+0x449/0x710 [ 7000.962023][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.962023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.962023][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.962023][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.962023][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.962023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.962023][ T73] [ 7000.964058][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.964058][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.964058][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.964058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.964058][ T73] ip6_route_add+0x1c/0x140 [ 7000.964058][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7000.964058][ T73] addrconf_add_dev+0xe2/0x170 [ 7000.964058][ T73] inet6_addr_add+0x12f/0xa40 [ 7000.964058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.964058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.964058][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.964058][ T73] netlink_unicast+0x449/0x710 [ 7000.964058][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.964058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.964058][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.964058][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.964058][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.964058][ T73] [ 7000.966039][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.966039][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7000.966039][ T73] ipv6_find_idev+0x102/0x170 [ 7000.966039][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.966039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.966039][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.966039][ T73] netlink_unicast+0x449/0x710 [ 7000.966039][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.966039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.966039][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.966039][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.966039][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.966039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.966039][ T73] [ 7000.967596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7000.967596][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7000.967596][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7000.967596][ T73] ipv6_find_idev+0x102/0x170 [ 7000.967596][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.967596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.967596][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.967596][ T73] netlink_unicast+0x449/0x710 [ 7000.967596][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.967596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.967596][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.967596][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.967596][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.967596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.967596][ T73] [ 7000.969404][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7000.969803][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.969803][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7000.969803][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7000.969803][ T73] fib6_nh_init+0xa22/0x1580 [ 7000.969803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.969803][ T73] ip6_route_add+0x1c/0x140 [ 7000.969803][ T73] inet6_rtm_newroute+0x104/0x110 [ 7000.969803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.969803][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.969803][ T73] netlink_unicast+0x449/0x710 [ 7000.969803][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.969803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.969803][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.969803][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.969803][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.969803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.969803][ T73] [ 7000.971876][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.971876][ T73] dst_init+0x84/0x4a0 [ 7000.971876][ T73] dst_alloc+0x97/0x150 [ 7000.971876][ T73] ip6_dst_alloc+0x23/0x90 [ 7000.971876][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7000.971876][ T73] ip6_pol_route+0x56f/0x840 [ 7000.971876][ T73] fib6_rule_lookup+0x456/0x630 [ 7000.971876][ T73] ip6_route_input+0x59c/0xa50 [ 7000.971876][ T73] ipv6_rcv+0x397/0x810 [ 7000.971876][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7000.971876][ T73] process_backlog+0x101/0x620 [ 7000.971876][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7000.971876][ T73] net_rx_action+0x495/0xbe0 [ 7000.971876][ T73] __do_softirq+0x1b5/0x7f6 [ 7000.971876][ T73] [ 7000.973698][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.973698][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.973698][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.973698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.973698][ T73] ip6_route_add+0x1c/0x140 [ 7000.973698][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7000.973698][ T73] inet6_addr_add+0x4f8/0xa40 [ 7000.973698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.973698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.973698][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.973698][ T73] netlink_unicast+0x449/0x710 [ 7000.973698][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.973698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.973698][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.973698][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.973698][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.973698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.973698][ T73] [ 7000.975945][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.975945][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.975945][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.975945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.975945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7000.975945][ T73] ipv6_add_addr+0x411/0x2000 [ 7000.975945][ T73] inet6_addr_add+0x30e/0xa40 [ 7000.975945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.975945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.975945][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.975945][ T73] netlink_unicast+0x449/0x710 [ 7000.975945][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.975945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.975945][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.975945][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.975945][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.975945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.975945][ T73] [ 7000.978191][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.978191][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.978191][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.978191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.978191][ T73] ip6_route_add+0x1c/0x140 [ 7000.978191][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7000.978191][ T73] addrconf_add_dev+0xe2/0x170 [ 7000.978191][ T73] inet6_addr_add+0x12f/0xa40 [ 7000.978191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.978191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.978191][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.978191][ T73] netlink_unicast+0x449/0x710 [ 7000.978191][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.978191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.978191][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.978191][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.978191][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.978191][ T73] [ 7000.980473][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.980473][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7000.980473][ T73] ipv6_find_idev+0x102/0x170 [ 7000.980473][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.980473][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.980473][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.980473][ T73] netlink_unicast+0x449/0x710 [ 7000.980473][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.980473][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.980473][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.980473][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.980473][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.980473][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.980473][ T73] [ 7000.982201][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7000.982201][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7000.982201][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7000.982201][ T73] ipv6_find_idev+0x102/0x170 [ 7000.982201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.982201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.982201][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.982201][ T73] netlink_unicast+0x449/0x710 [ 7000.982201][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.982201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.982201][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.982201][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.982201][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.982201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.982201][ T73] [ 7000.984100][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7000.984371][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7000.984371][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.984371][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.984371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.984371][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7000.984371][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7000.984371][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7000.984371][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7000.984371][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7000.984371][ T73] addrconf_dad_begin+0x310/0x670 [ 7000.984371][ T73] addrconf_dad_work+0x10b/0xab0 [ 7000.984371][ T73] process_one_work+0x84d/0x18a0 [ 7000.984371][ T73] worker_thread+0x587/0xd30 [ 7000.984371][ T73] kthread+0x28a/0x350 [ 7000.984371][ T73] ret_from_fork+0x31/0x70 [ 7000.984371][ T73] ret_from_fork_asm+0x1a/0x30 [ 7000.984371][ T73] [ 7000.986531][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7000.986531][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.986531][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.986531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.986531][ T73] ip6_route_add+0x1c/0x140 [ 7000.986531][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7000.986531][ T73] inet6_addr_add+0x4f8/0xa40 [ 7000.986531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.986531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.986531][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.986531][ T73] netlink_unicast+0x449/0x710 [ 7000.986531][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.986531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.986531][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.986531][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.986531][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.986531][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.986531][ T73] [ 7000.989352][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7000.989352][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.989352][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.989352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.989352][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7000.989352][ T73] ipv6_add_addr+0x411/0x2000 [ 7000.989352][ T73] inet6_addr_add+0x30e/0xa40 [ 7000.989352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.989352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.989352][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.989352][ T73] netlink_unicast+0x449/0x710 [ 7000.989352][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.989352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.989352][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.989352][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.989352][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.989352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.989352][ T73] [ 7000.991598][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7000.991598][ T73] netdev_get_by_index+0x5e/0x80 [ 7000.991598][ T73] fib6_nh_init+0x3d8/0x1580 [ 7000.991598][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7000.991598][ T73] ip6_route_add+0x1c/0x140 [ 7000.991598][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7000.991598][ T73] addrconf_add_dev+0xe2/0x170 [ 7000.991598][ T73] inet6_addr_add+0x12f/0xa40 [ 7000.991598][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.991598][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.991598][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.991598][ T73] netlink_unicast+0x449/0x710 [ 7000.991598][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.991598][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.991598][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.991598][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.991598][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.991598][ T73] [ 7000.993753][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7000.993753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7000.993753][ T73] ipv6_find_idev+0x102/0x170 [ 7000.993753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.993753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.993753][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.993753][ T73] netlink_unicast+0x449/0x710 [ 7000.993753][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.993753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.993753][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.993753][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.993753][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.993753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.993753][ T73] [ 7000.995855][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7000.995855][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7000.995855][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7000.995855][ T73] ipv6_find_idev+0x102/0x170 [ 7000.995855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.995855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.995855][ T73] netlink_rcv_skb+0x130/0x360 [ 7000.995855][ T73] netlink_unicast+0x449/0x710 [ 7000.995855][ T73] netlink_sendmsg+0x723/0xbe0 [ 7000.995855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7000.995855][ T73] ___sys_sendmsg+0xee/0x170 [ 7000.995855][ T73] __sys_sendmsg+0xcd/0x170 [ 7000.995855][ T73] do_syscall_64+0xc6/0x1e0 [ 7000.995855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.995855][ T73] [ 7011.238896][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7011.239329][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.239329][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7011.239329][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7011.239329][ T73] fib6_nh_init+0xa22/0x1580 [ 7011.239329][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.239329][ T73] ip6_route_add+0x1c/0x140 [ 7011.239329][ T73] inet6_rtm_newroute+0x104/0x110 [ 7011.239329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.239329][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.239329][ T73] netlink_unicast+0x449/0x710 [ 7011.239329][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.239329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.239329][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.239329][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.239329][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.239329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.239329][ T73] [ 7011.241226][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.241226][ T73] dst_init+0x84/0x4a0 [ 7011.241226][ T73] dst_alloc+0x97/0x150 [ 7011.241226][ T73] ip6_dst_alloc+0x23/0x90 [ 7011.241226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7011.241226][ T73] ip6_pol_route+0x56f/0x840 [ 7011.241226][ T73] fib6_rule_lookup+0x456/0x630 [ 7011.241226][ T73] ip6_route_input+0x59c/0xa50 [ 7011.241226][ T73] ipv6_rcv+0x397/0x810 [ 7011.241226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7011.241226][ T73] process_backlog+0x101/0x620 [ 7011.241226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7011.241226][ T73] net_rx_action+0x495/0xbe0 [ 7011.241226][ T73] __do_softirq+0x1b5/0x7f6 [ 7011.241226][ T73] [ 7011.242864][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.242864][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.242864][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.242864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.242864][ T73] ip6_route_add+0x1c/0x140 [ 7011.242864][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7011.242864][ T73] inet6_addr_add+0x4f8/0xa40 [ 7011.242864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.242864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.242864][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.242864][ T73] netlink_unicast+0x449/0x710 [ 7011.242864][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.242864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.242864][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.242864][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.242864][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.242864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.242864][ T73] [ 7011.244815][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.244815][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.244815][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.244815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.244815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7011.244815][ T73] ipv6_add_addr+0x411/0x2000 [ 7011.244815][ T73] inet6_addr_add+0x30e/0xa40 [ 7011.244815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.244815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.244815][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.244815][ T73] netlink_unicast+0x449/0x710 [ 7011.244815][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.244815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.244815][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.244815][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.244815][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.244815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.244815][ T73] [ 7011.246803][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.246803][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.246803][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.246803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.246803][ T73] ip6_route_add+0x1c/0x140 [ 7011.246803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.246803][ T73] addrconf_add_dev+0xe2/0x170 [ 7011.246803][ T73] inet6_addr_add+0x12f/0xa40 [ 7011.246803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.246803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.246803][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.246803][ T73] netlink_unicast+0x449/0x710 [ 7011.246803][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.246803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.246803][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.246803][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.246803][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.246803][ T73] [ 7011.248770][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.248770][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7011.248770][ T73] ipv6_find_idev+0x102/0x170 [ 7011.248770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.248770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.248770][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.248770][ T73] netlink_unicast+0x449/0x710 [ 7011.248770][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.248770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.248770][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.248770][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.248770][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.248770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.248770][ T73] [ 7011.250297][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7011.250297][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7011.250297][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7011.250297][ T73] ipv6_find_idev+0x102/0x170 [ 7011.250297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.250297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.250297][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.250297][ T73] netlink_unicast+0x449/0x710 [ 7011.250297][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.250297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.250297][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.250297][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.250297][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.250297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.250297][ T73] [ 7011.251969][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7011.252240][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.252240][ T73] dst_init+0x84/0x4a0 [ 7011.252240][ T73] dst_alloc+0x97/0x150 [ 7011.252240][ T73] ip6_dst_alloc+0x23/0x90 [ 7011.252240][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7011.252240][ T73] ip6_pol_route+0x56f/0x840 [ 7011.252240][ T73] fib6_rule_lookup+0x456/0x630 [ 7011.252240][ T73] ip6_route_input+0x59c/0xa50 [ 7011.252240][ T73] ipv6_rcv+0x397/0x810 [ 7011.252240][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7011.252240][ T73] process_backlog+0x101/0x620 [ 7011.252240][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7011.252240][ T73] net_rx_action+0x495/0xbe0 [ 7011.252240][ T73] __do_softirq+0x1b5/0x7f6 [ 7011.252240][ T73] [ 7011.253856][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.253856][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.253856][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.253856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.253856][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7011.253856][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7011.253856][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7011.253856][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7011.253856][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7011.253856][ T73] addrconf_dad_begin+0x310/0x670 [ 7011.253856][ T73] addrconf_dad_work+0x10b/0xab0 [ 7011.253856][ T73] process_one_work+0x84d/0x18a0 [ 7011.253856][ T73] worker_thread+0x587/0xd30 [ 7011.253856][ T73] kthread+0x28a/0x350 [ 7011.253856][ T73] ret_from_fork+0x31/0x70 [ 7011.253856][ T73] ret_from_fork_asm+0x1a/0x30 [ 7011.253856][ T73] [ 7011.255755][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.255755][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.255755][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.255755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.255755][ T73] ip6_route_add+0x1c/0x140 [ 7011.255755][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7011.255755][ T73] inet6_addr_add+0x4f8/0xa40 [ 7011.255755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.255755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.255755][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.255755][ T73] netlink_unicast+0x449/0x710 [ 7011.255755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.255755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.255755][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.255755][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.255755][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.255755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.255755][ T73] [ 7011.257741][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.257741][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.257741][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.257741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.257741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7011.257741][ T73] ipv6_add_addr+0x411/0x2000 [ 7011.257741][ T73] inet6_addr_add+0x30e/0xa40 [ 7011.257741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.257741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.257741][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.257741][ T73] netlink_unicast+0x449/0x710 [ 7011.257741][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.257741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.257741][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.257741][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.257741][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.257741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.257741][ T73] [ 7011.259732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.259732][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.259732][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.259732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.259732][ T73] ip6_route_add+0x1c/0x140 [ 7011.259732][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.259732][ T73] addrconf_add_dev+0xe2/0x170 [ 7011.259732][ T73] inet6_addr_add+0x12f/0xa40 [ 7011.259732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.259732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.259732][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.259732][ T73] netlink_unicast+0x449/0x710 [ 7011.259732][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.259732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.259732][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.259732][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.259732][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.259732][ T73] [ 7011.261682][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.261682][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7011.261682][ T73] ipv6_find_idev+0x102/0x170 [ 7011.261682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.261682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.261682][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.261682][ T73] netlink_unicast+0x449/0x710 [ 7011.261682][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.261682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.261682][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.261682][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.261682][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.261682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.261682][ T73] [ 7011.263213][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7011.263213][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7011.263213][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7011.263213][ T73] ipv6_find_idev+0x102/0x170 [ 7011.263213][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.263213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.263213][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.263213][ T73] netlink_unicast+0x449/0x710 [ 7011.263213][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.263213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.263213][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.263213][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.263213][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.263213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.263213][ T73] [ 7011.265008][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7011.265276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.265276][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7011.265276][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7011.265276][ T73] fib6_nh_init+0xa22/0x1580 [ 7011.265276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.265276][ T73] ip6_route_add+0x1c/0x140 [ 7011.265276][ T73] inet6_rtm_newroute+0x104/0x110 [ 7011.265276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.265276][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.265276][ T73] netlink_unicast+0x449/0x710 [ 7011.265276][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.265276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.265276][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.265276][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.265276][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.265276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.265276][ T73] [ 7011.267459][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.267459][ T73] dst_init+0x84/0x4a0 [ 7011.267459][ T73] dst_alloc+0x97/0x150 [ 7011.267459][ T73] ip6_dst_alloc+0x23/0x90 [ 7011.267459][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7011.267459][ T73] ip6_pol_route+0x56f/0x840 [ 7011.267459][ T73] fib6_rule_lookup+0x456/0x630 [ 7011.267459][ T73] ip6_route_input+0x59c/0xa50 [ 7011.267459][ T73] ipv6_rcv+0x397/0x810 [ 7011.267459][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7011.267459][ T73] process_backlog+0x101/0x620 [ 7011.267459][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7011.267459][ T73] net_rx_action+0x495/0xbe0 [ 7011.267459][ T73] __do_softirq+0x1b5/0x7f6 [ 7011.267459][ T73] [ 7011.269272][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.269272][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.269272][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.269272][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.269272][ T73] ip6_route_add+0x1c/0x140 [ 7011.269272][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7011.269272][ T73] inet6_addr_add+0x4f8/0xa40 [ 7011.269272][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.269272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.269272][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.269272][ T73] netlink_unicast+0x449/0x710 [ 7011.269272][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.269272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.269272][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.269272][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.269272][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.269272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.269272][ T73] [ 7011.271503][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.271503][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.271503][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.271503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.271503][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7011.271503][ T73] ipv6_add_addr+0x411/0x2000 [ 7011.271503][ T73] inet6_addr_add+0x30e/0xa40 [ 7011.271503][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.271503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.271503][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.271503][ T73] netlink_unicast+0x449/0x710 [ 7011.271503][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.271503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.271503][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.271503][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.271503][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.271503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.271503][ T73] [ 7011.273732][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.273732][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.273732][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.273732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.273732][ T73] ip6_route_add+0x1c/0x140 [ 7011.273732][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.273732][ T73] addrconf_add_dev+0xe2/0x170 [ 7011.273732][ T73] inet6_addr_add+0x12f/0xa40 [ 7011.273732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.273732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.273732][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.273732][ T73] netlink_unicast+0x449/0x710 [ 7011.273732][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.273732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.273732][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.273732][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.273732][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.273732][ T73] [ 7011.275940][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.275940][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7011.275940][ T73] ipv6_find_idev+0x102/0x170 [ 7011.275940][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.275940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.275940][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.275940][ T73] netlink_unicast+0x449/0x710 [ 7011.275940][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.275940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.275940][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.275940][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.275940][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.275940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.275940][ T73] [ 7011.277650][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7011.277650][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7011.277650][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7011.277650][ T73] ipv6_find_idev+0x102/0x170 [ 7011.277650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.277650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.277650][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.277650][ T73] netlink_unicast+0x449/0x710 [ 7011.277650][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.277650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.277650][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.277650][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.277650][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.277650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.277650][ T73] [ 7011.279588][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7011.279933][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7011.279933][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.279933][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.279933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.279933][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7011.279933][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7011.279933][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7011.279933][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7011.279933][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7011.279933][ T73] addrconf_dad_begin+0x310/0x670 [ 7011.279933][ T73] addrconf_dad_work+0x10b/0xab0 [ 7011.279933][ T73] process_one_work+0x84d/0x18a0 [ 7011.279933][ T73] worker_thread+0x587/0xd30 [ 7011.279933][ T73] kthread+0x28a/0x350 [ 7011.279933][ T73] ret_from_fork+0x31/0x70 [ 7011.279933][ T73] ret_from_fork_asm+0x1a/0x30 [ 7011.279933][ T73] [ 7011.282014][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7011.282014][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.282014][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.282014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.282014][ T73] ip6_route_add+0x1c/0x140 [ 7011.282014][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7011.282014][ T73] inet6_addr_add+0x4f8/0xa40 [ 7011.282014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.282014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.282014][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.282014][ T73] netlink_unicast+0x449/0x710 [ 7011.282014][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.282014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.282014][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.282014][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.282014][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.282014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.282014][ T73] [ 7011.284240][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7011.284240][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.284240][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.284240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.284240][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7011.284240][ T73] ipv6_add_addr+0x411/0x2000 [ 7011.284240][ T73] inet6_addr_add+0x30e/0xa40 [ 7011.284240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.284240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.284240][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.284240][ T73] netlink_unicast+0x449/0x710 [ 7011.284240][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.284240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.284240][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.284240][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.284240][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.284240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.284240][ T73] [ 7011.286527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7011.286527][ T73] netdev_get_by_index+0x5e/0x80 [ 7011.286527][ T73] fib6_nh_init+0x3d8/0x1580 [ 7011.286527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7011.286527][ T73] ip6_route_add+0x1c/0x140 [ 7011.286527][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.286527][ T73] addrconf_add_dev+0xe2/0x170 [ 7011.286527][ T73] inet6_addr_add+0x12f/0xa40 [ 7011.286527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.286527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.286527][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.286527][ T73] netlink_unicast+0x449/0x710 [ 7011.286527][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.286527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.286527][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.286527][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.286527][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.286527][ T73] [ 7011.288744][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7011.288744][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7011.288744][ T73] ipv6_find_idev+0x102/0x170 [ 7011.288744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.288744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.288744][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.288744][ T73] netlink_unicast+0x449/0x710 [ 7011.288744][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.288744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.288744][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.288744][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.288744][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.288744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.288744][ T73] [ 7011.290900][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7011.290900][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7011.290900][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7011.290900][ T73] ipv6_find_idev+0x102/0x170 [ 7011.290900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.290900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.290900][ T73] netlink_rcv_skb+0x130/0x360 [ 7011.290900][ T73] netlink_unicast+0x449/0x710 [ 7011.290900][ T73] netlink_sendmsg+0x723/0xbe0 [ 7011.290900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7011.290900][ T73] ___sys_sendmsg+0xee/0x170 [ 7011.290900][ T73] __sys_sendmsg+0xcd/0x170 [ 7011.290900][ T73] do_syscall_64+0xc6/0x1e0 [ 7011.290900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.290900][ T73] [ 7021.534892][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7021.535339][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.535339][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7021.535339][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7021.535339][ T73] fib6_nh_init+0xa22/0x1580 [ 7021.535339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.535339][ T73] ip6_route_add+0x1c/0x140 [ 7021.535339][ T73] inet6_rtm_newroute+0x104/0x110 [ 7021.535339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.535339][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.535339][ T73] netlink_unicast+0x449/0x710 [ 7021.535339][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.535339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.535339][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.535339][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.535339][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.535339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.535339][ T73] [ 7021.537225][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.537225][ T73] dst_init+0x84/0x4a0 [ 7021.537225][ T73] dst_alloc+0x97/0x150 [ 7021.537225][ T73] ip6_dst_alloc+0x23/0x90 [ 7021.537225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7021.537225][ T73] ip6_pol_route+0x56f/0x840 [ 7021.537225][ T73] fib6_rule_lookup+0x456/0x630 [ 7021.537225][ T73] ip6_route_input+0x59c/0xa50 [ 7021.537225][ T73] ipv6_rcv+0x397/0x810 [ 7021.537225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7021.537225][ T73] process_backlog+0x101/0x620 [ 7021.537225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7021.537225][ T73] net_rx_action+0x495/0xbe0 [ 7021.537225][ T73] __do_softirq+0x1b5/0x7f6 [ 7021.537225][ T73] [ 7021.538878][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.538878][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.538878][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.538878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.538878][ T73] ip6_route_add+0x1c/0x140 [ 7021.538878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7021.538878][ T73] inet6_addr_add+0x4f8/0xa40 [ 7021.538878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.538878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.538878][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.538878][ T73] netlink_unicast+0x449/0x710 [ 7021.538878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.538878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.538878][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.538878][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.538878][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.538878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.538878][ T73] [ 7021.540879][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.540879][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.540879][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.540879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.540879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7021.540879][ T73] ipv6_add_addr+0x411/0x2000 [ 7021.540879][ T73] inet6_addr_add+0x30e/0xa40 [ 7021.540879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.540879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.540879][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.540879][ T73] netlink_unicast+0x449/0x710 [ 7021.540879][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.540879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.540879][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.540879][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.540879][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.540879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.540879][ T73] [ 7021.542852][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.542852][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.542852][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.542852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.542852][ T73] ip6_route_add+0x1c/0x140 [ 7021.542852][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7021.542852][ T73] addrconf_add_dev+0xe2/0x170 [ 7021.542852][ T73] inet6_addr_add+0x12f/0xa40 [ 7021.542852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.542852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.542852][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.542852][ T73] netlink_unicast+0x449/0x710 [ 7021.542852][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.542852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.542852][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.542852][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.542852][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.542852][ T73] [ 7021.544794][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.544794][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7021.544794][ T73] ipv6_find_idev+0x102/0x170 [ 7021.544794][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.544794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.544794][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.544794][ T73] netlink_unicast+0x449/0x710 [ 7021.544794][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.544794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.544794][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.544794][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.544794][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.544794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.544794][ T73] [ 7021.546317][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7021.546317][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7021.546317][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7021.546317][ T73] ipv6_find_idev+0x102/0x170 [ 7021.546317][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.546317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.546317][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.546317][ T73] netlink_unicast+0x449/0x710 [ 7021.546317][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.546317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.546317][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.546317][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.546317][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.546317][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.546317][ T73] [ 7021.548009][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7021.548283][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.548283][ T73] dst_init+0x84/0x4a0 [ 7021.548283][ T73] dst_alloc+0x97/0x150 [ 7021.548283][ T73] ip6_dst_alloc+0x23/0x90 [ 7021.548283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7021.548283][ T73] ip6_pol_route+0x56f/0x840 [ 7021.548283][ T73] fib6_rule_lookup+0x456/0x630 [ 7021.548283][ T73] ip6_route_input+0x59c/0xa50 [ 7021.548283][ T73] ipv6_rcv+0x397/0x810 [ 7021.548283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7021.548283][ T73] process_backlog+0x101/0x620 [ 7021.548283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7021.548283][ T73] net_rx_action+0x495/0xbe0 [ 7021.548283][ T73] __do_softirq+0x1b5/0x7f6 [ 7021.548283][ T73] [ 7021.549918][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.549918][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.549918][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.549918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.549918][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7021.549918][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7021.549918][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7021.549918][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7021.549918][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7021.549918][ T73] addrconf_dad_begin+0x310/0x670 [ 7021.549918][ T73] addrconf_dad_work+0x10b/0xab0 [ 7021.549918][ T73] process_one_work+0x84d/0x18a0 [ 7021.549918][ T73] worker_thread+0x587/0xd30 [ 7021.549918][ T73] kthread+0x28a/0x350 [ 7021.549918][ T73] ret_from_fork+0x31/0x70 [ 7021.549918][ T73] ret_from_fork_asm+0x1a/0x30 [ 7021.549918][ T73] [ 7021.551819][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.551819][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.551819][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.551819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.551819][ T73] ip6_route_add+0x1c/0x140 [ 7021.551819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7021.551819][ T73] inet6_addr_add+0x4f8/0xa40 [ 7021.551819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.551819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.551819][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.551819][ T73] netlink_unicast+0x449/0x710 [ 7021.551819][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.551819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.551819][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.551819][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.551819][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.551819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.551819][ T73] [ 7021.553802][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.553802][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.553802][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.553802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.553802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7021.553802][ T73] ipv6_add_addr+0x411/0x2000 [ 7021.553802][ T73] inet6_addr_add+0x30e/0xa40 [ 7021.553802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.553802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.553802][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.553802][ T73] netlink_unicast+0x449/0x710 [ 7021.553802][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.553802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.553802][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.553802][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.553802][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.553802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.553802][ T73] [ 7021.555791][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.555791][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.555791][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.555791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.555791][ T73] ip6_route_add+0x1c/0x140 [ 7021.555791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7021.555791][ T73] addrconf_add_dev+0xe2/0x170 [ 7021.555791][ T73] inet6_addr_add+0x12f/0xa40 [ 7021.555791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.555791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.555791][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.555791][ T73] netlink_unicast+0x449/0x710 [ 7021.555791][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.555791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.555791][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.555791][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.555791][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.555791][ T73] [ 7021.557749][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.557749][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7021.557749][ T73] ipv6_find_idev+0x102/0x170 [ 7021.557749][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.557749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.557749][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.557749][ T73] netlink_unicast+0x449/0x710 [ 7021.557749][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.557749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.557749][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.557749][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.557749][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.557749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.557749][ T73] [ 7021.559288][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7021.559288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7021.559288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7021.559288][ T73] ipv6_find_idev+0x102/0x170 [ 7021.559288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.559288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.559288][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.559288][ T73] netlink_unicast+0x449/0x710 [ 7021.559288][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.559288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.559288][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.559288][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.559288][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.559288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.559288][ T73] [ 7021.561070][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7021.561403][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.561403][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7021.561403][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7021.561403][ T73] fib6_nh_init+0xa22/0x1580 [ 7021.561403][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.561403][ T73] ip6_route_add+0x1c/0x140 [ 7021.561403][ T73] inet6_rtm_newroute+0x104/0x110 [ 7021.561403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.561403][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.561403][ T73] netlink_unicast+0x449/0x710 [ 7021.561403][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.561403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.561403][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.561403][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.561403][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.561403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.561403][ T73] [ 7021.563452][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.563452][ T73] dst_init+0x84/0x4a0 [ 7021.563452][ T73] dst_alloc+0x97/0x150 [ 7021.563452][ T73] ip6_dst_alloc+0x23/0x90 [ 7021.563452][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7021.563452][ T73] ip6_pol_route+0x56f/0x840 [ 7021.563452][ T73] fib6_rule_lookup+0x456/0x630 [ 7021.563452][ T73] ip6_route_input+0x59c/0xa50 [ 7021.563452][ T73] ipv6_rcv+0x397/0x810 [ 7021.563452][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7021.563452][ T73] process_backlog+0x101/0x620 [ 7021.563452][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7021.563452][ T73] net_rx_action+0x495/0xbe0 [ 7021.563452][ T73] __do_softirq+0x1b5/0x7f6 [ 7021.563452][ T73] [ 7021.565255][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.565255][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.565255][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.565255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.565255][ T73] ip6_route_add+0x1c/0x140 [ 7021.565255][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7021.565255][ T73] inet6_addr_add+0x4f8/0xa40 [ 7021.565255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.565255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.565255][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.565255][ T73] netlink_unicast+0x449/0x710 [ 7021.565255][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.565255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.565255][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.565255][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.565255][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.565255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.565255][ T73] [ 7021.567506][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.567506][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.567506][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.567506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.567506][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7021.567506][ T73] ipv6_add_addr+0x411/0x2000 [ 7021.567506][ T73] inet6_addr_add+0x30e/0xa40 [ 7021.567506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.567506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.567506][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.567506][ T73] netlink_unicast+0x449/0x710 [ 7021.567506][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.567506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.567506][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.567506][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.567506][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.567506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.567506][ T73] [ 7021.569755][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.569755][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.569755][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.569755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.569755][ T73] ip6_route_add+0x1c/0x140 [ 7021.569755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7021.569755][ T73] addrconf_add_dev+0xe2/0x170 [ 7021.569755][ T73] inet6_addr_add+0x12f/0xa40 [ 7021.569755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.569755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.569755][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.569755][ T73] netlink_unicast+0x449/0x710 [ 7021.569755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.569755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.569755][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.569755][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.569755][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.569755][ T73] [ 7021.572018][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.572018][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7021.572018][ T73] ipv6_find_idev+0x102/0x170 [ 7021.572018][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.572018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.572018][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.572018][ T73] netlink_unicast+0x449/0x710 [ 7021.572018][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.572018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.572018][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.572018][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.572018][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.572018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.572018][ T73] [ 7021.573731][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7021.573731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7021.573731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7021.573731][ T73] ipv6_find_idev+0x102/0x170 [ 7021.573731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.573731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.573731][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.573731][ T73] netlink_unicast+0x449/0x710 [ 7021.573731][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.573731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.573731][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.573731][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.573731][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.573731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.573731][ T73] [ 7021.575618][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7021.575904][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7021.575904][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.575904][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.575904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.575904][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7021.575904][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7021.575904][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7021.575904][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7021.575904][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7021.575904][ T73] addrconf_dad_begin+0x310/0x670 [ 7021.575904][ T73] addrconf_dad_work+0x10b/0xab0 [ 7021.575904][ T73] process_one_work+0x84d/0x18a0 [ 7021.575904][ T73] worker_thread+0x587/0xd30 [ 7021.575904][ T73] kthread+0x28a/0x350 [ 7021.575904][ T73] ret_from_fork+0x31/0x70 [ 7021.575904][ T73] ret_from_fork_asm+0x1a/0x30 [ 7021.575904][ T73] [ 7021.578042][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7021.578042][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.578042][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.578042][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.578042][ T73] ip6_route_add+0x1c/0x140 [ 7021.578042][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7021.578042][ T73] inet6_addr_add+0x4f8/0xa40 [ 7021.578042][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.578042][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.578042][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.578042][ T73] netlink_unicast+0x449/0x710 [ 7021.578042][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.578042][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.578042][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.578042][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.578042][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.578042][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.578042][ T73] [ 7021.580280][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7021.580280][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.580280][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.580280][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.580280][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7021.580280][ T73] ipv6_add_addr+0x411/0x2000 [ 7021.580280][ T73] inet6_addr_add+0x30e/0xa40 [ 7021.580280][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.580280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.580280][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.580280][ T73] netlink_unicast+0x449/0x710 [ 7021.580280][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.580280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.580280][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.580280][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.580280][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.580280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.580280][ T73] [ 7021.582566][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7021.582566][ T73] netdev_get_by_index+0x5e/0x80 [ 7021.582566][ T73] fib6_nh_init+0x3d8/0x1580 [ 7021.582566][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7021.582566][ T73] ip6_route_add+0x1c/0x140 [ 7021.582566][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7021.582566][ T73] addrconf_add_dev+0xe2/0x170 [ 7021.582566][ T73] inet6_addr_add+0x12f/0xa40 [ 7021.582566][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7021.582566][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.582566][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.582566][ T73] netlink_unicast+0x449/0x710 [ 7021.582566][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.582566][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.582566][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.582566][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.582566][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.582566][ T73] [ 7021.584694][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7021.584694][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7021.584694][ T73] ipv6_find_idev+0x102/0x170 [ 7021.584694][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.584694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.584694][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.584694][ T73] netlink_unicast+0x449/0x710 [ 7021.584694][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.584694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.584694][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.584694][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.584694][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.584694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.584694][ T73] [ 7021.586401][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7021.586401][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7021.586401][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7021.586401][ T73] ipv6_find_idev+0x102/0x170 [ 7021.586401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7021.586401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7021.586401][ T73] netlink_rcv_skb+0x130/0x360 [ 7021.586401][ T73] netlink_unicast+0x449/0x710 [ 7021.586401][ T73] netlink_sendmsg+0x723/0xbe0 [ 7021.586401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7021.586401][ T73] ___sys_sendmsg+0xee/0x170 [ 7021.586401][ T73] __sys_sendmsg+0xcd/0x170 [ 7021.586401][ T73] do_syscall_64+0xc6/0x1e0 [ 7021.586401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7021.586401][ T73] [ 7031.758878][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7031.759321][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.759321][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7031.759321][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7031.759321][ T73] fib6_nh_init+0xa22/0x1580 [ 7031.759321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.759321][ T73] ip6_route_add+0x1c/0x140 [ 7031.759321][ T73] inet6_rtm_newroute+0x104/0x110 [ 7031.759321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.759321][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.759321][ T73] netlink_unicast+0x449/0x710 [ 7031.759321][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.759321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.759321][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.759321][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.759321][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.759321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.759321][ T73] [ 7031.761231][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.761231][ T73] dst_init+0x84/0x4a0 [ 7031.761231][ T73] dst_alloc+0x97/0x150 [ 7031.761231][ T73] ip6_dst_alloc+0x23/0x90 [ 7031.761231][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7031.761231][ T73] ip6_pol_route+0x56f/0x840 [ 7031.761231][ T73] fib6_rule_lookup+0x456/0x630 [ 7031.761231][ T73] ip6_route_input+0x59c/0xa50 [ 7031.761231][ T73] ipv6_rcv+0x397/0x810 [ 7031.761231][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7031.761231][ T73] process_backlog+0x101/0x620 [ 7031.761231][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7031.761231][ T73] net_rx_action+0x495/0xbe0 [ 7031.761231][ T73] __do_softirq+0x1b5/0x7f6 [ 7031.761231][ T73] [ 7031.762865][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.762865][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.762865][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.762865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.762865][ T73] ip6_route_add+0x1c/0x140 [ 7031.762865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7031.762865][ T73] inet6_addr_add+0x4f8/0xa40 [ 7031.762865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.762865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.762865][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.762865][ T73] netlink_unicast+0x449/0x710 [ 7031.762865][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.762865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.762865][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.762865][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.762865][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.762865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.762865][ T73] [ 7031.764858][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.764858][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.764858][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.764858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.764858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7031.764858][ T73] ipv6_add_addr+0x411/0x2000 [ 7031.764858][ T73] inet6_addr_add+0x30e/0xa40 [ 7031.764858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.764858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.764858][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.764858][ T73] netlink_unicast+0x449/0x710 [ 7031.764858][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.764858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.764858][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.764858][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.764858][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.764858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.764858][ T73] [ 7031.767371][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.767371][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.767371][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.767371][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.767371][ T73] ip6_route_add+0x1c/0x140 [ 7031.767371][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7031.767371][ T73] addrconf_add_dev+0xe2/0x170 [ 7031.767371][ T73] inet6_addr_add+0x12f/0xa40 [ 7031.767371][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.767371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.767371][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.767371][ T73] netlink_unicast+0x449/0x710 [ 7031.767371][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.767371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.767371][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.767371][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.767371][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.767371][ T73] [ 7031.769713][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.769713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7031.769713][ T73] ipv6_find_idev+0x102/0x170 [ 7031.769713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.769713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.769713][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.769713][ T73] netlink_unicast+0x449/0x710 [ 7031.769713][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.769713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.769713][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.769713][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.769713][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.769713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.769713][ T73] [ 7031.771246][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7031.771246][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7031.771246][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7031.771246][ T73] ipv6_find_idev+0x102/0x170 [ 7031.771246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.771246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.771246][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.771246][ T73] netlink_unicast+0x449/0x710 [ 7031.771246][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.771246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.771246][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.771246][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.771246][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.771246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.771246][ T73] [ 7031.772924][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7031.773193][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.773193][ T73] dst_init+0x84/0x4a0 [ 7031.773193][ T73] dst_alloc+0x97/0x150 [ 7031.773193][ T73] ip6_dst_alloc+0x23/0x90 [ 7031.773193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7031.773193][ T73] ip6_pol_route+0x56f/0x840 [ 7031.773193][ T73] fib6_rule_lookup+0x456/0x630 [ 7031.773193][ T73] ip6_route_input+0x59c/0xa50 [ 7031.773193][ T73] ipv6_rcv+0x397/0x810 [ 7031.773193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7031.773193][ T73] process_backlog+0x101/0x620 [ 7031.773193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7031.773193][ T73] net_rx_action+0x495/0xbe0 [ 7031.773193][ T73] __do_softirq+0x1b5/0x7f6 [ 7031.773193][ T73] [ 7031.774826][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.774826][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.774826][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.774826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.774826][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7031.774826][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7031.774826][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7031.774826][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7031.774826][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7031.774826][ T73] addrconf_dad_begin+0x310/0x670 [ 7031.774826][ T73] addrconf_dad_work+0x10b/0xab0 [ 7031.774826][ T73] process_one_work+0x84d/0x18a0 [ 7031.774826][ T73] worker_thread+0x587/0xd30 [ 7031.774826][ T73] kthread+0x28a/0x350 [ 7031.774826][ T73] ret_from_fork+0x31/0x70 [ 7031.774826][ T73] ret_from_fork_asm+0x1a/0x30 [ 7031.774826][ T73] [ 7031.776719][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.776719][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.776719][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.776719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.776719][ T73] ip6_route_add+0x1c/0x140 [ 7031.776719][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7031.776719][ T73] inet6_addr_add+0x4f8/0xa40 [ 7031.776719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.776719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.776719][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.776719][ T73] netlink_unicast+0x449/0x710 [ 7031.776719][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.776719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.776719][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.776719][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.776719][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.776719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.776719][ T73] [ 7031.778706][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.778706][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.778706][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.778706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.778706][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7031.778706][ T73] ipv6_add_addr+0x411/0x2000 [ 7031.778706][ T73] inet6_addr_add+0x30e/0xa40 [ 7031.778706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.778706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.778706][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.778706][ T73] netlink_unicast+0x449/0x710 [ 7031.778706][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.778706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.778706][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.778706][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.778706][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.778706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.778706][ T73] [ 7031.780708][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.780708][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.780708][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.780708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.780708][ T73] ip6_route_add+0x1c/0x140 [ 7031.780708][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7031.780708][ T73] addrconf_add_dev+0xe2/0x170 [ 7031.780708][ T73] inet6_addr_add+0x12f/0xa40 [ 7031.780708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.780708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.780708][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.780708][ T73] netlink_unicast+0x449/0x710 [ 7031.780708][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.780708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.780708][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.780708][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.780708][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.780708][ T73] [ 7031.782657][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.782657][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7031.782657][ T73] ipv6_find_idev+0x102/0x170 [ 7031.782657][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.782657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.782657][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.782657][ T73] netlink_unicast+0x449/0x710 [ 7031.782657][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.782657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.782657][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.782657][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.782657][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.782657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.782657][ T73] [ 7031.784185][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7031.784185][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7031.784185][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7031.784185][ T73] ipv6_find_idev+0x102/0x170 [ 7031.784185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.784185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.784185][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.784185][ T73] netlink_unicast+0x449/0x710 [ 7031.784185][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.784185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.784185][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.784185][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.784185][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.784185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.784185][ T73] [ 7031.785921][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7031.786247][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.786247][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7031.786247][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7031.786247][ T73] fib6_nh_init+0xa22/0x1580 [ 7031.786247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.786247][ T73] ip6_route_add+0x1c/0x140 [ 7031.786247][ T73] inet6_rtm_newroute+0x104/0x110 [ 7031.786247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.786247][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.786247][ T73] netlink_unicast+0x449/0x710 [ 7031.786247][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.786247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.786247][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.786247][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.786247][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.786247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.786247][ T73] [ 7031.788379][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.788379][ T73] dst_init+0x84/0x4a0 [ 7031.788379][ T73] dst_alloc+0x97/0x150 [ 7031.788379][ T73] ip6_dst_alloc+0x23/0x90 [ 7031.788379][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7031.788379][ T73] ip6_pol_route+0x56f/0x840 [ 7031.788379][ T73] fib6_rule_lookup+0x456/0x630 [ 7031.788379][ T73] ip6_route_input+0x59c/0xa50 [ 7031.788379][ T73] ipv6_rcv+0x397/0x810 [ 7031.788379][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7031.788379][ T73] process_backlog+0x101/0x620 [ 7031.788379][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7031.788379][ T73] net_rx_action+0x495/0xbe0 [ 7031.788379][ T73] __do_softirq+0x1b5/0x7f6 [ 7031.788379][ T73] [ 7031.790184][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.790184][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.790184][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.790184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.790184][ T73] ip6_route_add+0x1c/0x140 [ 7031.790184][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7031.790184][ T73] inet6_addr_add+0x4f8/0xa40 [ 7031.790184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.790184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.790184][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.790184][ T73] netlink_unicast+0x449/0x710 [ 7031.790184][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.790184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.790184][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.790184][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.790184][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.790184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.790184][ T73] [ 7031.792405][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.792405][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.792405][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.792405][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.792405][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7031.792405][ T73] ipv6_add_addr+0x411/0x2000 [ 7031.792405][ T73] inet6_addr_add+0x30e/0xa40 [ 7031.792405][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.792405][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.792405][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.792405][ T73] netlink_unicast+0x449/0x710 [ 7031.792405][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.792405][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.792405][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.792405][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.792405][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.792405][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.792405][ T73] [ 7031.794597][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.794597][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.794597][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.794597][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.794597][ T73] ip6_route_add+0x1c/0x140 [ 7031.794597][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7031.794597][ T73] addrconf_add_dev+0xe2/0x170 [ 7031.794597][ T73] inet6_addr_add+0x12f/0xa40 [ 7031.794597][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.794597][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.794597][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.794597][ T73] netlink_unicast+0x449/0x710 [ 7031.794597][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.794597][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.794597][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.794597][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.794597][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.794597][ T73] [ 7031.796853][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.796853][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7031.796853][ T73] ipv6_find_idev+0x102/0x170 [ 7031.796853][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.796853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.796853][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.796853][ T73] netlink_unicast+0x449/0x710 [ 7031.796853][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.796853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.796853][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.796853][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.796853][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.796853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.796853][ T73] [ 7031.798576][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7031.798576][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7031.798576][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7031.798576][ T73] ipv6_find_idev+0x102/0x170 [ 7031.798576][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.798576][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.798576][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.798576][ T73] netlink_unicast+0x449/0x710 [ 7031.798576][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.798576][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.798576][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.798576][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.798576][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.798576][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.798576][ T73] [ 7031.800435][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7031.800700][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7031.800700][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.800700][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.800700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.800700][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7031.800700][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7031.800700][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7031.800700][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7031.800700][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7031.800700][ T73] addrconf_dad_begin+0x310/0x670 [ 7031.800700][ T73] addrconf_dad_work+0x10b/0xab0 [ 7031.800700][ T73] process_one_work+0x84d/0x18a0 [ 7031.800700][ T73] worker_thread+0x587/0xd30 [ 7031.800700][ T73] kthread+0x28a/0x350 [ 7031.800700][ T73] ret_from_fork+0x31/0x70 [ 7031.800700][ T73] ret_from_fork_asm+0x1a/0x30 [ 7031.800700][ T73] [ 7031.803205][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7031.803205][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.803205][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.803205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.803205][ T73] ip6_route_add+0x1c/0x140 [ 7031.803205][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7031.803205][ T73] inet6_addr_add+0x4f8/0xa40 [ 7031.803205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.803205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.803205][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.803205][ T73] netlink_unicast+0x449/0x710 [ 7031.803205][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.803205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.803205][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.803205][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.803205][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.803205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.803205][ T73] [ 7031.805433][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7031.805433][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.805433][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.805433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.805433][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7031.805433][ T73] ipv6_add_addr+0x411/0x2000 [ 7031.805433][ T73] inet6_addr_add+0x30e/0xa40 [ 7031.805433][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.805433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.805433][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.805433][ T73] netlink_unicast+0x449/0x710 [ 7031.805433][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.805433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.805433][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.805433][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.805433][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.805433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.805433][ T73] [ 7031.807726][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7031.807726][ T73] netdev_get_by_index+0x5e/0x80 [ 7031.807726][ T73] fib6_nh_init+0x3d8/0x1580 [ 7031.807726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7031.807726][ T73] ip6_route_add+0x1c/0x140 [ 7031.807726][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7031.807726][ T73] addrconf_add_dev+0xe2/0x170 [ 7031.807726][ T73] inet6_addr_add+0x12f/0xa40 [ 7031.807726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7031.807726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.807726][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.807726][ T73] netlink_unicast+0x449/0x710 [ 7031.807726][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.807726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.807726][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.807726][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.807726][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.807726][ T73] [ 7031.809878][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7031.809878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7031.809878][ T73] ipv6_find_idev+0x102/0x170 [ 7031.809878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.809878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.809878][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.809878][ T73] netlink_unicast+0x449/0x710 [ 7031.809878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.809878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.809878][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.809878][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.809878][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.809878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.809878][ T73] [ 7031.811592][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7031.811592][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7031.811592][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7031.811592][ T73] ipv6_find_idev+0x102/0x170 [ 7031.811592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7031.811592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7031.811592][ T73] netlink_rcv_skb+0x130/0x360 [ 7031.811592][ T73] netlink_unicast+0x449/0x710 [ 7031.811592][ T73] netlink_sendmsg+0x723/0xbe0 [ 7031.811592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7031.811592][ T73] ___sys_sendmsg+0xee/0x170 [ 7031.811592][ T73] __sys_sendmsg+0xcd/0x170 [ 7031.811592][ T73] do_syscall_64+0xc6/0x1e0 [ 7031.811592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7031.811592][ T73] [ 7042.054884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7042.055338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.055338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7042.055338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7042.055338][ T73] fib6_nh_init+0xa22/0x1580 [ 7042.055338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.055338][ T73] ip6_route_add+0x1c/0x140 [ 7042.055338][ T73] inet6_rtm_newroute+0x104/0x110 [ 7042.055338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.055338][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.055338][ T73] netlink_unicast+0x449/0x710 [ 7042.055338][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.055338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.055338][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.055338][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.055338][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.055338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.055338][ T73] [ 7042.057237][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.057237][ T73] dst_init+0x84/0x4a0 [ 7042.057237][ T73] dst_alloc+0x97/0x150 [ 7042.057237][ T73] ip6_dst_alloc+0x23/0x90 [ 7042.057237][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7042.057237][ T73] ip6_pol_route+0x56f/0x840 [ 7042.057237][ T73] fib6_rule_lookup+0x456/0x630 [ 7042.057237][ T73] ip6_route_input+0x59c/0xa50 [ 7042.057237][ T73] ipv6_rcv+0x397/0x810 [ 7042.057237][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7042.057237][ T73] process_backlog+0x101/0x620 [ 7042.057237][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7042.057237][ T73] net_rx_action+0x495/0xbe0 [ 7042.057237][ T73] __do_softirq+0x1b5/0x7f6 [ 7042.057237][ T73] [ 7042.058870][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.058870][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.058870][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.058870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.058870][ T73] ip6_route_add+0x1c/0x140 [ 7042.058870][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7042.058870][ T73] inet6_addr_add+0x4f8/0xa40 [ 7042.058870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.058870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.058870][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.058870][ T73] netlink_unicast+0x449/0x710 [ 7042.058870][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.058870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.058870][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.058870][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.058870][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.058870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.058870][ T73] [ 7042.060876][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.060876][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.060876][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.060876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.060876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7042.060876][ T73] ipv6_add_addr+0x411/0x2000 [ 7042.060876][ T73] inet6_addr_add+0x30e/0xa40 [ 7042.060876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.060876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.060876][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.060876][ T73] netlink_unicast+0x449/0x710 [ 7042.060876][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.060876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.060876][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.060876][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.060876][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.060876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.060876][ T73] [ 7042.062873][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.062873][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.062873][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.062873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.062873][ T73] ip6_route_add+0x1c/0x140 [ 7042.062873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.062873][ T73] addrconf_add_dev+0xe2/0x170 [ 7042.062873][ T73] inet6_addr_add+0x12f/0xa40 [ 7042.062873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.062873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.062873][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.062873][ T73] netlink_unicast+0x449/0x710 [ 7042.062873][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.062873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.062873][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.062873][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.062873][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.062873][ T73] [ 7042.064822][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.064822][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7042.064822][ T73] ipv6_find_idev+0x102/0x170 [ 7042.064822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.064822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.064822][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.064822][ T73] netlink_unicast+0x449/0x710 [ 7042.064822][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.064822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.064822][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.064822][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.064822][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.064822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.064822][ T73] [ 7042.066375][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7042.066375][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7042.066375][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7042.066375][ T73] ipv6_find_idev+0x102/0x170 [ 7042.066375][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.066375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.066375][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.066375][ T73] netlink_unicast+0x449/0x710 [ 7042.066375][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.066375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.066375][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.066375][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.066375][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.066375][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.066375][ T73] [ 7042.068022][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7042.068331][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.068331][ T73] dst_init+0x84/0x4a0 [ 7042.068331][ T73] dst_alloc+0x97/0x150 [ 7042.068331][ T73] ip6_dst_alloc+0x23/0x90 [ 7042.068331][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7042.068331][ T73] ip6_pol_route+0x56f/0x840 [ 7042.068331][ T73] fib6_rule_lookup+0x456/0x630 [ 7042.068331][ T73] ip6_route_input+0x59c/0xa50 [ 7042.068331][ T73] ipv6_rcv+0x397/0x810 [ 7042.068331][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7042.068331][ T73] process_backlog+0x101/0x620 [ 7042.068331][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7042.068331][ T73] net_rx_action+0x495/0xbe0 [ 7042.068331][ T73] __do_softirq+0x1b5/0x7f6 [ 7042.068331][ T73] [ 7042.069961][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.069961][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.069961][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.069961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.069961][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7042.069961][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7042.069961][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7042.069961][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7042.069961][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7042.069961][ T73] addrconf_dad_begin+0x310/0x670 [ 7042.069961][ T73] addrconf_dad_work+0x10b/0xab0 [ 7042.069961][ T73] process_one_work+0x84d/0x18a0 [ 7042.069961][ T73] worker_thread+0x587/0xd30 [ 7042.069961][ T73] kthread+0x28a/0x350 [ 7042.069961][ T73] ret_from_fork+0x31/0x70 [ 7042.069961][ T73] ret_from_fork_asm+0x1a/0x30 [ 7042.069961][ T73] [ 7042.071853][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.071853][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.071853][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.071853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.071853][ T73] ip6_route_add+0x1c/0x140 [ 7042.071853][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7042.071853][ T73] inet6_addr_add+0x4f8/0xa40 [ 7042.071853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.071853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.071853][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.071853][ T73] netlink_unicast+0x449/0x710 [ 7042.071853][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.071853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.071853][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.071853][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.071853][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.071853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.071853][ T73] [ 7042.073832][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.073832][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.073832][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.073832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.073832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7042.073832][ T73] ipv6_add_addr+0x411/0x2000 [ 7042.073832][ T73] inet6_addr_add+0x30e/0xa40 [ 7042.073832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.073832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.073832][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.073832][ T73] netlink_unicast+0x449/0x710 [ 7042.073832][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.073832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.073832][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.073832][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.073832][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.073832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.073832][ T73] [ 7042.075810][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.075810][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.075810][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.075810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.075810][ T73] ip6_route_add+0x1c/0x140 [ 7042.075810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.075810][ T73] addrconf_add_dev+0xe2/0x170 [ 7042.075810][ T73] inet6_addr_add+0x12f/0xa40 [ 7042.075810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.075810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.075810][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.075810][ T73] netlink_unicast+0x449/0x710 [ 7042.075810][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.075810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.075810][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.075810][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.075810][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.075810][ T73] [ 7042.077756][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.077756][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7042.077756][ T73] ipv6_find_idev+0x102/0x170 [ 7042.077756][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.077756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.077756][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.077756][ T73] netlink_unicast+0x449/0x710 [ 7042.077756][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.077756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.077756][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.077756][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.077756][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.077756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.077756][ T73] [ 7042.079287][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7042.079287][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7042.079287][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7042.079287][ T73] ipv6_find_idev+0x102/0x170 [ 7042.079287][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.079287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.079287][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.079287][ T73] netlink_unicast+0x449/0x710 [ 7042.079287][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.079287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.079287][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.079287][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.079287][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.079287][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.079287][ T73] [ 7042.081031][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7042.081352][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.081352][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7042.081352][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7042.081352][ T73] fib6_nh_init+0xa22/0x1580 [ 7042.081352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.081352][ T73] ip6_route_add+0x1c/0x140 [ 7042.081352][ T73] inet6_rtm_newroute+0x104/0x110 [ 7042.081352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.081352][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.081352][ T73] netlink_unicast+0x449/0x710 [ 7042.081352][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.081352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.081352][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.081352][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.081352][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.081352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.081352][ T73] [ 7042.083458][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.083458][ T73] dst_init+0x84/0x4a0 [ 7042.083458][ T73] dst_alloc+0x97/0x150 [ 7042.083458][ T73] ip6_dst_alloc+0x23/0x90 [ 7042.083458][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7042.083458][ T73] ip6_pol_route+0x56f/0x840 [ 7042.083458][ T73] fib6_rule_lookup+0x456/0x630 [ 7042.083458][ T73] ip6_route_input+0x59c/0xa50 [ 7042.083458][ T73] ipv6_rcv+0x397/0x810 [ 7042.083458][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7042.083458][ T73] process_backlog+0x101/0x620 [ 7042.083458][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7042.083458][ T73] net_rx_action+0x495/0xbe0 [ 7042.083458][ T73] __do_softirq+0x1b5/0x7f6 [ 7042.083458][ T73] [ 7042.085276][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.085276][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.085276][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.085276][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.085276][ T73] ip6_route_add+0x1c/0x140 [ 7042.085276][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7042.085276][ T73] inet6_addr_add+0x4f8/0xa40 [ 7042.085276][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.085276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.085276][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.085276][ T73] netlink_unicast+0x449/0x710 [ 7042.085276][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.085276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.085276][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.085276][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.085276][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.085276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.085276][ T73] [ 7042.087511][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.087511][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.087511][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.087511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.087511][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7042.087511][ T73] ipv6_add_addr+0x411/0x2000 [ 7042.087511][ T73] inet6_addr_add+0x30e/0xa40 [ 7042.087511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.087511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.087511][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.087511][ T73] netlink_unicast+0x449/0x710 [ 7042.087511][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.087511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.087511][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.087511][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.087511][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.087511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.087511][ T73] [ 7042.089742][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.089742][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.089742][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.089742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.089742][ T73] ip6_route_add+0x1c/0x140 [ 7042.089742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.089742][ T73] addrconf_add_dev+0xe2/0x170 [ 7042.089742][ T73] inet6_addr_add+0x12f/0xa40 [ 7042.089742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.089742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.089742][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.089742][ T73] netlink_unicast+0x449/0x710 [ 7042.089742][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.089742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.089742][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.089742][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.089742][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.089742][ T73] [ 7042.091998][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.091998][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7042.091998][ T73] ipv6_find_idev+0x102/0x170 [ 7042.091998][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.091998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.091998][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.091998][ T73] netlink_unicast+0x449/0x710 [ 7042.091998][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.091998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.091998][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.091998][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.091998][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.091998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.091998][ T73] [ 7042.093707][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7042.093707][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7042.093707][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7042.093707][ T73] ipv6_find_idev+0x102/0x170 [ 7042.093707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.093707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.093707][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.093707][ T73] netlink_unicast+0x449/0x710 [ 7042.093707][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.093707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.093707][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.093707][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.093707][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.093707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.093707][ T73] [ 7042.095572][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7042.096267][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7042.096267][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.096267][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.096267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.096267][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7042.096267][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7042.096267][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7042.096267][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7042.096267][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7042.096267][ T73] addrconf_dad_begin+0x310/0x670 [ 7042.096267][ T73] addrconf_dad_work+0x10b/0xab0 [ 7042.096267][ T73] process_one_work+0x84d/0x18a0 [ 7042.096267][ T73] worker_thread+0x587/0xd30 [ 7042.096267][ T73] kthread+0x28a/0x350 [ 7042.096267][ T73] ret_from_fork+0x31/0x70 [ 7042.096267][ T73] ret_from_fork_asm+0x1a/0x30 [ 7042.096267][ T73] [ 7042.098169][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7042.098169][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.098169][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.098169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.098169][ T73] ip6_route_add+0x1c/0x140 [ 7042.098169][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7042.098169][ T73] inet6_addr_add+0x4f8/0xa40 [ 7042.098169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.098169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.098169][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.098169][ T73] netlink_unicast+0x449/0x710 [ 7042.098169][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.098169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.098169][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.098169][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.098169][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.098169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.098169][ T73] [ 7042.100282][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7042.100282][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.100282][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.100282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.100282][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7042.100282][ T73] ipv6_add_addr+0x411/0x2000 [ 7042.100282][ T73] inet6_addr_add+0x30e/0xa40 [ 7042.100282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.100282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.100282][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.100282][ T73] netlink_unicast+0x449/0x710 [ 7042.100282][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.100282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.100282][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.100282][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.100282][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.100282][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.100282][ T73] [ 7042.102506][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7042.102506][ T73] netdev_get_by_index+0x5e/0x80 [ 7042.102506][ T73] fib6_nh_init+0x3d8/0x1580 [ 7042.102506][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7042.102506][ T73] ip6_route_add+0x1c/0x140 [ 7042.102506][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.102506][ T73] addrconf_add_dev+0xe2/0x170 [ 7042.102506][ T73] inet6_addr_add+0x12f/0xa40 [ 7042.102506][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.102506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.102506][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.102506][ T73] netlink_unicast+0x449/0x710 [ 7042.102506][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.102506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.102506][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.102506][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.102506][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.102506][ T73] [ 7042.104764][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7042.104764][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7042.104764][ T73] ipv6_find_idev+0x102/0x170 [ 7042.104764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.104764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.104764][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.104764][ T73] netlink_unicast+0x449/0x710 [ 7042.104764][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.104764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.104764][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.104764][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.104764][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.104764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.104764][ T73] [ 7042.106416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7042.106416][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7042.106416][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7042.106416][ T73] ipv6_find_idev+0x102/0x170 [ 7042.106416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.106416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.106416][ T73] netlink_rcv_skb+0x130/0x360 [ 7042.106416][ T73] netlink_unicast+0x449/0x710 [ 7042.106416][ T73] netlink_sendmsg+0x723/0xbe0 [ 7042.106416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7042.106416][ T73] ___sys_sendmsg+0xee/0x170 [ 7042.106416][ T73] __sys_sendmsg+0xcd/0x170 [ 7042.106416][ T73] do_syscall_64+0xc6/0x1e0 [ 7042.106416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.106416][ T73] [ 7052.310885][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7052.311327][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.311327][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7052.311327][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7052.311327][ T73] fib6_nh_init+0xa22/0x1580 [ 7052.311327][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.311327][ T73] ip6_route_add+0x1c/0x140 [ 7052.311327][ T73] inet6_rtm_newroute+0x104/0x110 [ 7052.311327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.311327][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.311327][ T73] netlink_unicast+0x449/0x710 [ 7052.311327][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.311327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.311327][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.311327][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.311327][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.311327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.311327][ T73] [ 7052.313213][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.313213][ T73] dst_init+0x84/0x4a0 [ 7052.313213][ T73] dst_alloc+0x97/0x150 [ 7052.313213][ T73] ip6_dst_alloc+0x23/0x90 [ 7052.313213][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7052.313213][ T73] ip6_pol_route+0x56f/0x840 [ 7052.313213][ T73] fib6_rule_lookup+0x456/0x630 [ 7052.313213][ T73] ip6_route_input+0x59c/0xa50 [ 7052.313213][ T73] ipv6_rcv+0x397/0x810 [ 7052.313213][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7052.313213][ T73] process_backlog+0x101/0x620 [ 7052.313213][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7052.313213][ T73] net_rx_action+0x495/0xbe0 [ 7052.313213][ T73] __do_softirq+0x1b5/0x7f6 [ 7052.313213][ T73] [ 7052.314845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.314845][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.314845][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.314845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.314845][ T73] ip6_route_add+0x1c/0x140 [ 7052.314845][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7052.314845][ T73] inet6_addr_add+0x4f8/0xa40 [ 7052.314845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.314845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.314845][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.314845][ T73] netlink_unicast+0x449/0x710 [ 7052.314845][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.314845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.314845][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.314845][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.314845][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.314845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.314845][ T73] [ 7052.316840][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.316840][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.316840][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.316840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.316840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7052.316840][ T73] ipv6_add_addr+0x411/0x2000 [ 7052.316840][ T73] inet6_addr_add+0x30e/0xa40 [ 7052.316840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.316840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.316840][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.316840][ T73] netlink_unicast+0x449/0x710 [ 7052.316840][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.316840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.316840][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.316840][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.316840][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.316840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.316840][ T73] [ 7052.318978][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.318978][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.318978][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.318978][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.318978][ T73] ip6_route_add+0x1c/0x140 [ 7052.318978][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.318978][ T73] addrconf_add_dev+0xe2/0x170 [ 7052.318978][ T73] inet6_addr_add+0x12f/0xa40 [ 7052.318978][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.318978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.318978][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.318978][ T73] netlink_unicast+0x449/0x710 [ 7052.318978][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.318978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.318978][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.318978][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.318978][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.318978][ T73] [ 7052.320945][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.320945][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7052.320945][ T73] ipv6_find_idev+0x102/0x170 [ 7052.320945][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.320945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.320945][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.320945][ T73] netlink_unicast+0x449/0x710 [ 7052.320945][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.320945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.320945][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.320945][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.320945][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.320945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.320945][ T73] [ 7052.322483][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7052.322483][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7052.322483][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7052.322483][ T73] ipv6_find_idev+0x102/0x170 [ 7052.322483][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.322483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.322483][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.322483][ T73] netlink_unicast+0x449/0x710 [ 7052.322483][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.322483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.322483][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.322483][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.322483][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.322483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.322483][ T73] [ 7052.324168][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7052.324437][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.324437][ T73] dst_init+0x84/0x4a0 [ 7052.324437][ T73] dst_alloc+0x97/0x150 [ 7052.324437][ T73] ip6_dst_alloc+0x23/0x90 [ 7052.324437][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7052.324437][ T73] ip6_pol_route+0x56f/0x840 [ 7052.324437][ T73] fib6_rule_lookup+0x456/0x630 [ 7052.324437][ T73] ip6_route_input+0x59c/0xa50 [ 7052.324437][ T73] ipv6_rcv+0x397/0x810 [ 7052.324437][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7052.324437][ T73] process_backlog+0x101/0x620 [ 7052.324437][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7052.324437][ T73] net_rx_action+0x495/0xbe0 [ 7052.324437][ T73] __do_softirq+0x1b5/0x7f6 [ 7052.324437][ T73] [ 7052.326075][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.326075][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.326075][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.326075][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.326075][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7052.326075][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7052.326075][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7052.326075][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7052.326075][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7052.326075][ T73] addrconf_dad_begin+0x310/0x670 [ 7052.326075][ T73] addrconf_dad_work+0x10b/0xab0 [ 7052.326075][ T73] process_one_work+0x84d/0x18a0 [ 7052.326075][ T73] worker_thread+0x587/0xd30 [ 7052.326075][ T73] kthread+0x28a/0x350 [ 7052.326075][ T73] ret_from_fork+0x31/0x70 [ 7052.326075][ T73] ret_from_fork_asm+0x1a/0x30 [ 7052.326075][ T73] [ 7052.327981][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.327981][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.327981][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.327981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.327981][ T73] ip6_route_add+0x1c/0x140 [ 7052.327981][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7052.327981][ T73] inet6_addr_add+0x4f8/0xa40 [ 7052.327981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.327981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.327981][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.327981][ T73] netlink_unicast+0x449/0x710 [ 7052.327981][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.327981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.327981][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.327981][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.327981][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.327981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.327981][ T73] [ 7052.329989][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.329989][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.329989][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.329989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.329989][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7052.329989][ T73] ipv6_add_addr+0x411/0x2000 [ 7052.329989][ T73] inet6_addr_add+0x30e/0xa40 [ 7052.329989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.329989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.329989][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.329989][ T73] netlink_unicast+0x449/0x710 [ 7052.329989][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.329989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.329989][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.329989][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.329989][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.329989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.329989][ T73] [ 7052.331976][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.331976][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.331976][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.331976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.331976][ T73] ip6_route_add+0x1c/0x140 [ 7052.331976][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.331976][ T73] addrconf_add_dev+0xe2/0x170 [ 7052.331976][ T73] inet6_addr_add+0x12f/0xa40 [ 7052.331976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.331976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.331976][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.331976][ T73] netlink_unicast+0x449/0x710 [ 7052.331976][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.331976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.331976][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.331976][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.331976][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.331976][ T73] [ 7052.333925][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.333925][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7052.333925][ T73] ipv6_find_idev+0x102/0x170 [ 7052.333925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.333925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.333925][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.333925][ T73] netlink_unicast+0x449/0x710 [ 7052.333925][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.333925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.333925][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.333925][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.333925][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.333925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.333925][ T73] [ 7052.335464][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7052.335464][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7052.335464][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7052.335464][ T73] ipv6_find_idev+0x102/0x170 [ 7052.335464][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.335464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.335464][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.335464][ T73] netlink_unicast+0x449/0x710 [ 7052.335464][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.335464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.335464][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.335464][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.335464][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.335464][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.335464][ T73] [ 7052.337200][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7052.337530][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.337530][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7052.337530][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7052.337530][ T73] fib6_nh_init+0xa22/0x1580 [ 7052.337530][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.337530][ T73] ip6_route_add+0x1c/0x140 [ 7052.337530][ T73] inet6_rtm_newroute+0x104/0x110 [ 7052.337530][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.337530][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.337530][ T73] netlink_unicast+0x449/0x710 [ 7052.337530][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.337530][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.337530][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.337530][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.337530][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.337530][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.337530][ T73] [ 7052.339657][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.339657][ T73] dst_init+0x84/0x4a0 [ 7052.339657][ T73] dst_alloc+0x97/0x150 [ 7052.339657][ T73] ip6_dst_alloc+0x23/0x90 [ 7052.339657][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7052.339657][ T73] ip6_pol_route+0x56f/0x840 [ 7052.339657][ T73] fib6_rule_lookup+0x456/0x630 [ 7052.339657][ T73] ip6_route_input+0x59c/0xa50 [ 7052.339657][ T73] ipv6_rcv+0x397/0x810 [ 7052.339657][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7052.339657][ T73] process_backlog+0x101/0x620 [ 7052.339657][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7052.339657][ T73] net_rx_action+0x495/0xbe0 [ 7052.339657][ T73] __do_softirq+0x1b5/0x7f6 [ 7052.339657][ T73] [ 7052.341471][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.341471][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.341471][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.341471][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.341471][ T73] ip6_route_add+0x1c/0x140 [ 7052.341471][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7052.341471][ T73] inet6_addr_add+0x4f8/0xa40 [ 7052.341471][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.341471][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.341471][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.341471][ T73] netlink_unicast+0x449/0x710 [ 7052.341471][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.341471][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.341471][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.341471][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.341471][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.341471][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.341471][ T73] [ 7052.343821][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.343821][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.343821][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.343821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.343821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7052.343821][ T73] ipv6_add_addr+0x411/0x2000 [ 7052.343821][ T73] inet6_addr_add+0x30e/0xa40 [ 7052.343821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.343821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.343821][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.343821][ T73] netlink_unicast+0x449/0x710 [ 7052.343821][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.343821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.343821][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.343821][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.343821][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.343821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.343821][ T73] [ 7052.346052][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.346052][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.346052][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.346052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.346052][ T73] ip6_route_add+0x1c/0x140 [ 7052.346052][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.346052][ T73] addrconf_add_dev+0xe2/0x170 [ 7052.346052][ T73] inet6_addr_add+0x12f/0xa40 [ 7052.346052][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.346052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.346052][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.346052][ T73] netlink_unicast+0x449/0x710 [ 7052.346052][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.346052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.346052][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.346052][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.346052][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.346052][ T73] [ 7052.348315][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.348315][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7052.348315][ T73] ipv6_find_idev+0x102/0x170 [ 7052.348315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.348315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.348315][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.348315][ T73] netlink_unicast+0x449/0x710 [ 7052.348315][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.348315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.348315][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.348315][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.348315][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.348315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.348315][ T73] [ 7052.350023][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7052.350023][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7052.350023][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7052.350023][ T73] ipv6_find_idev+0x102/0x170 [ 7052.350023][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.350023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.350023][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.350023][ T73] netlink_unicast+0x449/0x710 [ 7052.350023][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.350023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.350023][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.350023][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.350023][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.350023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.350023][ T73] [ 7052.351876][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7052.352144][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7052.352144][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.352144][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.352144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.352144][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7052.352144][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7052.352144][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7052.352144][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7052.352144][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7052.352144][ T73] addrconf_dad_begin+0x310/0x670 [ 7052.352144][ T73] addrconf_dad_work+0x10b/0xab0 [ 7052.352144][ T73] process_one_work+0x84d/0x18a0 [ 7052.352144][ T73] worker_thread+0x587/0xd30 [ 7052.352144][ T73] kthread+0x28a/0x350 [ 7052.352144][ T73] ret_from_fork+0x31/0x70 [ 7052.352144][ T73] ret_from_fork_asm+0x1a/0x30 [ 7052.352144][ T73] [ 7052.354281][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7052.354281][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.354281][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.354281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.354281][ T73] ip6_route_add+0x1c/0x140 [ 7052.354281][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7052.354281][ T73] inet6_addr_add+0x4f8/0xa40 [ 7052.354281][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.354281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.354281][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.354281][ T73] netlink_unicast+0x449/0x710 [ 7052.354281][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.354281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.354281][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.354281][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.354281][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.354281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.354281][ T73] [ 7052.356516][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7052.356516][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.356516][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.356516][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.356516][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7052.356516][ T73] ipv6_add_addr+0x411/0x2000 [ 7052.356516][ T73] inet6_addr_add+0x30e/0xa40 [ 7052.356516][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.356516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.356516][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.356516][ T73] netlink_unicast+0x449/0x710 [ 7052.356516][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.356516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.356516][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.356516][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.356516][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.356516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.356516][ T73] [ 7052.358813][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7052.358813][ T73] netdev_get_by_index+0x5e/0x80 [ 7052.358813][ T73] fib6_nh_init+0x3d8/0x1580 [ 7052.358813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7052.358813][ T73] ip6_route_add+0x1c/0x140 [ 7052.358813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.358813][ T73] addrconf_add_dev+0xe2/0x170 [ 7052.358813][ T73] inet6_addr_add+0x12f/0xa40 [ 7052.358813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.358813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.358813][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.358813][ T73] netlink_unicast+0x449/0x710 [ 7052.358813][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.358813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.358813][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.358813][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.358813][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.358813][ T73] [ 7052.360947][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7052.360947][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7052.360947][ T73] ipv6_find_idev+0x102/0x170 [ 7052.360947][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.360947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.360947][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.360947][ T73] netlink_unicast+0x449/0x710 [ 7052.360947][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.360947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.360947][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.360947][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.360947][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.360947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.360947][ T73] [ 7052.362655][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7052.362655][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7052.362655][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7052.362655][ T73] ipv6_find_idev+0x102/0x170 [ 7052.362655][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.362655][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.362655][ T73] netlink_rcv_skb+0x130/0x360 [ 7052.362655][ T73] netlink_unicast+0x449/0x710 [ 7052.362655][ T73] netlink_sendmsg+0x723/0xbe0 [ 7052.362655][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7052.362655][ T73] ___sys_sendmsg+0xee/0x170 [ 7052.362655][ T73] __sys_sendmsg+0xcd/0x170 [ 7052.362655][ T73] do_syscall_64+0xc6/0x1e0 [ 7052.362655][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.362655][ T73] [ 7062.614884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7062.615303][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.615303][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7062.615303][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7062.615303][ T73] fib6_nh_init+0xa22/0x1580 [ 7062.615303][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.615303][ T73] ip6_route_add+0x1c/0x140 [ 7062.615303][ T73] inet6_rtm_newroute+0x104/0x110 [ 7062.615303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.615303][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.615303][ T73] netlink_unicast+0x449/0x710 [ 7062.615303][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.615303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.615303][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.615303][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.615303][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.615303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.615303][ T73] [ 7062.617195][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.617195][ T73] dst_init+0x84/0x4a0 [ 7062.617195][ T73] dst_alloc+0x97/0x150 [ 7062.617195][ T73] ip6_dst_alloc+0x23/0x90 [ 7062.617195][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7062.617195][ T73] ip6_pol_route+0x56f/0x840 [ 7062.617195][ T73] fib6_rule_lookup+0x456/0x630 [ 7062.617195][ T73] ip6_route_input+0x59c/0xa50 [ 7062.617195][ T73] ipv6_rcv+0x397/0x810 [ 7062.617195][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7062.617195][ T73] process_backlog+0x101/0x620 [ 7062.617195][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7062.617195][ T73] net_rx_action+0x495/0xbe0 [ 7062.617195][ T73] __do_softirq+0x1b5/0x7f6 [ 7062.617195][ T73] [ 7062.618842][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.618842][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.618842][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.618842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.618842][ T73] ip6_route_add+0x1c/0x140 [ 7062.618842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7062.618842][ T73] inet6_addr_add+0x4f8/0xa40 [ 7062.618842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.618842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.618842][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.618842][ T73] netlink_unicast+0x449/0x710 [ 7062.618842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.618842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.618842][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.618842][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.618842][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.618842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.618842][ T73] [ 7062.620831][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.620831][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.620831][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.620831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.620831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7062.620831][ T73] ipv6_add_addr+0x411/0x2000 [ 7062.620831][ T73] inet6_addr_add+0x30e/0xa40 [ 7062.620831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.620831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.620831][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.620831][ T73] netlink_unicast+0x449/0x710 [ 7062.620831][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.620831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.620831][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.620831][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.620831][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.620831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.620831][ T73] [ 7062.622820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.622820][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.622820][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.622820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.622820][ T73] ip6_route_add+0x1c/0x140 [ 7062.622820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7062.622820][ T73] addrconf_add_dev+0xe2/0x170 [ 7062.622820][ T73] inet6_addr_add+0x12f/0xa40 [ 7062.622820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.622820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.622820][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.622820][ T73] netlink_unicast+0x449/0x710 [ 7062.622820][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.622820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.622820][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.622820][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.622820][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.622820][ T73] [ 7062.624778][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.624778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7062.624778][ T73] ipv6_find_idev+0x102/0x170 [ 7062.624778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.624778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.624778][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.624778][ T73] netlink_unicast+0x449/0x710 [ 7062.624778][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.624778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.624778][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.624778][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.624778][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.624778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.624778][ T73] [ 7062.626311][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7062.626311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7062.626311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7062.626311][ T73] ipv6_find_idev+0x102/0x170 [ 7062.626311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.626311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.626311][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.626311][ T73] netlink_unicast+0x449/0x710 [ 7062.626311][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.626311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.626311][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.626311][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.626311][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.626311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.626311][ T73] [ 7062.627987][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7062.628259][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.628259][ T73] dst_init+0x84/0x4a0 [ 7062.628259][ T73] dst_alloc+0x97/0x150 [ 7062.628259][ T73] ip6_dst_alloc+0x23/0x90 [ 7062.628259][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7062.628259][ T73] ip6_pol_route+0x56f/0x840 [ 7062.628259][ T73] fib6_rule_lookup+0x456/0x630 [ 7062.628259][ T73] ip6_route_input+0x59c/0xa50 [ 7062.628259][ T73] ipv6_rcv+0x397/0x810 [ 7062.628259][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7062.628259][ T73] process_backlog+0x101/0x620 [ 7062.628259][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7062.628259][ T73] net_rx_action+0x495/0xbe0 [ 7062.628259][ T73] __do_softirq+0x1b5/0x7f6 [ 7062.628259][ T73] [ 7062.629893][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.629893][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.629893][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.629893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.629893][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7062.629893][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7062.629893][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7062.629893][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7062.629893][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7062.629893][ T73] addrconf_dad_begin+0x310/0x670 [ 7062.629893][ T73] addrconf_dad_work+0x10b/0xab0 [ 7062.629893][ T73] process_one_work+0x84d/0x18a0 [ 7062.629893][ T73] worker_thread+0x587/0xd30 [ 7062.629893][ T73] kthread+0x28a/0x350 [ 7062.629893][ T73] ret_from_fork+0x31/0x70 [ 7062.629893][ T73] ret_from_fork_asm+0x1a/0x30 [ 7062.629893][ T73] [ 7062.631832][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.631832][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.631832][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.631832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.631832][ T73] ip6_route_add+0x1c/0x140 [ 7062.631832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7062.631832][ T73] inet6_addr_add+0x4f8/0xa40 [ 7062.631832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.631832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.631832][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.631832][ T73] netlink_unicast+0x449/0x710 [ 7062.631832][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.631832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.631832][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.631832][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.631832][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.631832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.631832][ T73] [ 7062.633822][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.633822][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.633822][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.633822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.633822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7062.633822][ T73] ipv6_add_addr+0x411/0x2000 [ 7062.633822][ T73] inet6_addr_add+0x30e/0xa40 [ 7062.633822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.633822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.633822][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.633822][ T73] netlink_unicast+0x449/0x710 [ 7062.633822][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.633822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.633822][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.633822][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.633822][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.633822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.633822][ T73] [ 7062.635811][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.635811][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.635811][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.635811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.635811][ T73] ip6_route_add+0x1c/0x140 [ 7062.635811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7062.635811][ T73] addrconf_add_dev+0xe2/0x170 [ 7062.635811][ T73] inet6_addr_add+0x12f/0xa40 [ 7062.635811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.635811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.635811][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.635811][ T73] netlink_unicast+0x449/0x710 [ 7062.635811][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.635811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.635811][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.635811][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.635811][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.635811][ T73] [ 7062.637758][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.637758][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7062.637758][ T73] ipv6_find_idev+0x102/0x170 [ 7062.637758][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.637758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.637758][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.637758][ T73] netlink_unicast+0x449/0x710 [ 7062.637758][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.637758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.637758][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.637758][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.637758][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.637758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.637758][ T73] [ 7062.639295][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7062.639295][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7062.639295][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7062.639295][ T73] ipv6_find_idev+0x102/0x170 [ 7062.639295][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.639295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.639295][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.639295][ T73] netlink_unicast+0x449/0x710 [ 7062.639295][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.639295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.639295][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.639295][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.639295][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.639295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.639295][ T73] [ 7062.641110][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7062.641433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.641433][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7062.641433][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7062.641433][ T73] fib6_nh_init+0xa22/0x1580 [ 7062.641433][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.641433][ T73] ip6_route_add+0x1c/0x140 [ 7062.641433][ T73] inet6_rtm_newroute+0x104/0x110 [ 7062.641433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.641433][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.641433][ T73] netlink_unicast+0x449/0x710 [ 7062.641433][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.641433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.641433][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.641433][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.641433][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.641433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.641433][ T73] [ 7062.643490][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.643490][ T73] dst_init+0x84/0x4a0 [ 7062.643490][ T73] dst_alloc+0x97/0x150 [ 7062.643490][ T73] ip6_dst_alloc+0x23/0x90 [ 7062.643490][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7062.643490][ T73] ip6_pol_route+0x56f/0x840 [ 7062.643490][ T73] fib6_rule_lookup+0x456/0x630 [ 7062.643490][ T73] ip6_route_input+0x59c/0xa50 [ 7062.643490][ T73] ipv6_rcv+0x397/0x810 [ 7062.643490][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7062.643490][ T73] process_backlog+0x101/0x620 [ 7062.643490][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7062.643490][ T73] net_rx_action+0x495/0xbe0 [ 7062.643490][ T73] __do_softirq+0x1b5/0x7f6 [ 7062.643490][ T73] [ 7062.645301][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.645301][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.645301][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.645301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.645301][ T73] ip6_route_add+0x1c/0x140 [ 7062.645301][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7062.645301][ T73] inet6_addr_add+0x4f8/0xa40 [ 7062.645301][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.645301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.645301][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.645301][ T73] netlink_unicast+0x449/0x710 [ 7062.645301][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.645301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.645301][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.645301][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.645301][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.645301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.645301][ T73] [ 7062.647588][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.647588][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.647588][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.647588][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.647588][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7062.647588][ T73] ipv6_add_addr+0x411/0x2000 [ 7062.647588][ T73] inet6_addr_add+0x30e/0xa40 [ 7062.647588][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.647588][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.647588][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.647588][ T73] netlink_unicast+0x449/0x710 [ 7062.647588][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.647588][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.647588][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.647588][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.647588][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.647588][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.647588][ T73] [ 7062.649822][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.649822][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.649822][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.649822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.649822][ T73] ip6_route_add+0x1c/0x140 [ 7062.649822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7062.649822][ T73] addrconf_add_dev+0xe2/0x170 [ 7062.649822][ T73] inet6_addr_add+0x12f/0xa40 [ 7062.649822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.649822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.649822][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.649822][ T73] netlink_unicast+0x449/0x710 [ 7062.649822][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.649822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.649822][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.649822][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.649822][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.649822][ T73] [ 7062.652014][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.652014][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7062.652014][ T73] ipv6_find_idev+0x102/0x170 [ 7062.652014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.652014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.652014][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.652014][ T73] netlink_unicast+0x449/0x710 [ 7062.652014][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.652014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.652014][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.652014][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.652014][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.652014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.652014][ T73] [ 7062.653721][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7062.653721][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7062.653721][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7062.653721][ T73] ipv6_find_idev+0x102/0x170 [ 7062.653721][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.653721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.653721][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.653721][ T73] netlink_unicast+0x449/0x710 [ 7062.653721][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.653721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.653721][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.653721][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.653721][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.653721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.653721][ T73] [ 7062.655578][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7062.656278][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7062.656278][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.656278][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.656278][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.656278][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7062.656278][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7062.656278][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7062.656278][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7062.656278][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7062.656278][ T73] addrconf_dad_begin+0x310/0x670 [ 7062.656278][ T73] addrconf_dad_work+0x10b/0xab0 [ 7062.656278][ T73] process_one_work+0x84d/0x18a0 [ 7062.656278][ T73] worker_thread+0x587/0xd30 [ 7062.656278][ T73] kthread+0x28a/0x350 [ 7062.656278][ T73] ret_from_fork+0x31/0x70 [ 7062.656278][ T73] ret_from_fork_asm+0x1a/0x30 [ 7062.656278][ T73] [ 7062.658182][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7062.658182][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.658182][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.658182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.658182][ T73] ip6_route_add+0x1c/0x140 [ 7062.658182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7062.658182][ T73] inet6_addr_add+0x4f8/0xa40 [ 7062.658182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.658182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.658182][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.658182][ T73] netlink_unicast+0x449/0x710 [ 7062.658182][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.658182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.658182][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.658182][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.658182][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.658182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.658182][ T73] [ 7062.660351][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7062.660351][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.660351][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.660351][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.660351][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7062.660351][ T73] ipv6_add_addr+0x411/0x2000 [ 7062.660351][ T73] inet6_addr_add+0x30e/0xa40 [ 7062.660351][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.660351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.660351][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.660351][ T73] netlink_unicast+0x449/0x710 [ 7062.660351][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.660351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.660351][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.660351][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.660351][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.660351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.660351][ T73] [ 7062.662575][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7062.662575][ T73] netdev_get_by_index+0x5e/0x80 [ 7062.662575][ T73] fib6_nh_init+0x3d8/0x1580 [ 7062.662575][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7062.662575][ T73] ip6_route_add+0x1c/0x140 [ 7062.662575][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7062.662575][ T73] addrconf_add_dev+0xe2/0x170 [ 7062.662575][ T73] inet6_addr_add+0x12f/0xa40 [ 7062.662575][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7062.662575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.662575][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.662575][ T73] netlink_unicast+0x449/0x710 [ 7062.662575][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.662575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.662575][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.662575][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.662575][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.662575][ T73] [ 7062.664766][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7062.664766][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7062.664766][ T73] ipv6_find_idev+0x102/0x170 [ 7062.664766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.664766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.664766][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.664766][ T73] netlink_unicast+0x449/0x710 [ 7062.664766][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.664766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.664766][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.664766][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.664766][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.664766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.664766][ T73] [ 7062.666412][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7062.666412][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7062.666412][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7062.666412][ T73] ipv6_find_idev+0x102/0x170 [ 7062.666412][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7062.666412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7062.666412][ T73] netlink_rcv_skb+0x130/0x360 [ 7062.666412][ T73] netlink_unicast+0x449/0x710 [ 7062.666412][ T73] netlink_sendmsg+0x723/0xbe0 [ 7062.666412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7062.666412][ T73] ___sys_sendmsg+0xee/0x170 [ 7062.666412][ T73] __sys_sendmsg+0xcd/0x170 [ 7062.666412][ T73] do_syscall_64+0xc6/0x1e0 [ 7062.666412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7062.666412][ T73] [ 7072.918881][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7072.919323][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.919323][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7072.919323][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7072.919323][ T73] fib6_nh_init+0xa22/0x1580 [ 7072.919323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.919323][ T73] ip6_route_add+0x1c/0x140 [ 7072.919323][ T73] inet6_rtm_newroute+0x104/0x110 [ 7072.919323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.919323][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.919323][ T73] netlink_unicast+0x449/0x710 [ 7072.919323][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.919323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.919323][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.919323][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.919323][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.919323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.919323][ T73] [ 7072.921182][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.921182][ T73] dst_init+0x84/0x4a0 [ 7072.921182][ T73] dst_alloc+0x97/0x150 [ 7072.921182][ T73] ip6_dst_alloc+0x23/0x90 [ 7072.921182][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7072.921182][ T73] ip6_pol_route+0x56f/0x840 [ 7072.921182][ T73] fib6_rule_lookup+0x456/0x630 [ 7072.921182][ T73] ip6_route_input+0x59c/0xa50 [ 7072.921182][ T73] ipv6_rcv+0x397/0x810 [ 7072.921182][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7072.921182][ T73] process_backlog+0x101/0x620 [ 7072.921182][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7072.921182][ T73] net_rx_action+0x495/0xbe0 [ 7072.921182][ T73] __do_softirq+0x1b5/0x7f6 [ 7072.921182][ T73] [ 7072.922820][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.922820][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.922820][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.922820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.922820][ T73] ip6_route_add+0x1c/0x140 [ 7072.922820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7072.922820][ T73] inet6_addr_add+0x4f8/0xa40 [ 7072.922820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.922820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.922820][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.922820][ T73] netlink_unicast+0x449/0x710 [ 7072.922820][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.922820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.922820][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.922820][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.922820][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.922820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.922820][ T73] [ 7072.924796][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.924796][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.924796][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.924796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.924796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7072.924796][ T73] ipv6_add_addr+0x411/0x2000 [ 7072.924796][ T73] inet6_addr_add+0x30e/0xa40 [ 7072.924796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.924796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.924796][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.924796][ T73] netlink_unicast+0x449/0x710 [ 7072.924796][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.924796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.924796][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.924796][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.924796][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.924796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.924796][ T73] [ 7072.926782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.926782][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.926782][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.926782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.926782][ T73] ip6_route_add+0x1c/0x140 [ 7072.926782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7072.926782][ T73] addrconf_add_dev+0xe2/0x170 [ 7072.926782][ T73] inet6_addr_add+0x12f/0xa40 [ 7072.926782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.926782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.926782][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.926782][ T73] netlink_unicast+0x449/0x710 [ 7072.926782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.926782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.926782][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.926782][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.926782][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.926782][ T73] [ 7072.928740][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.928740][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7072.928740][ T73] ipv6_find_idev+0x102/0x170 [ 7072.928740][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.928740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.928740][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.928740][ T73] netlink_unicast+0x449/0x710 [ 7072.928740][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.928740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.928740][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.928740][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.928740][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.928740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.928740][ T73] [ 7072.930269][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7072.930269][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7072.930269][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7072.930269][ T73] ipv6_find_idev+0x102/0x170 [ 7072.930269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.930269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.930269][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.930269][ T73] netlink_unicast+0x449/0x710 [ 7072.930269][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.930269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.930269][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.930269][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.930269][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.930269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.930269][ T73] [ 7072.931945][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7072.932215][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.932215][ T73] dst_init+0x84/0x4a0 [ 7072.932215][ T73] dst_alloc+0x97/0x150 [ 7072.932215][ T73] ip6_dst_alloc+0x23/0x90 [ 7072.932215][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7072.932215][ T73] ip6_pol_route+0x56f/0x840 [ 7072.932215][ T73] fib6_rule_lookup+0x456/0x630 [ 7072.932215][ T73] ip6_route_input+0x59c/0xa50 [ 7072.932215][ T73] ipv6_rcv+0x397/0x810 [ 7072.932215][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7072.932215][ T73] process_backlog+0x101/0x620 [ 7072.932215][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7072.932215][ T73] net_rx_action+0x495/0xbe0 [ 7072.932215][ T73] __do_softirq+0x1b5/0x7f6 [ 7072.932215][ T73] [ 7072.933846][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.933846][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.933846][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.933846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.933846][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7072.933846][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7072.933846][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7072.933846][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7072.933846][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7072.933846][ T73] addrconf_dad_begin+0x310/0x670 [ 7072.933846][ T73] addrconf_dad_work+0x10b/0xab0 [ 7072.933846][ T73] process_one_work+0x84d/0x18a0 [ 7072.933846][ T73] worker_thread+0x587/0xd30 [ 7072.933846][ T73] kthread+0x28a/0x350 [ 7072.933846][ T73] ret_from_fork+0x31/0x70 [ 7072.933846][ T73] ret_from_fork_asm+0x1a/0x30 [ 7072.933846][ T73] [ 7072.935737][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.935737][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.935737][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.935737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.935737][ T73] ip6_route_add+0x1c/0x140 [ 7072.935737][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7072.935737][ T73] inet6_addr_add+0x4f8/0xa40 [ 7072.935737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.935737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.935737][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.935737][ T73] netlink_unicast+0x449/0x710 [ 7072.935737][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.935737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.935737][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.935737][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.935737][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.935737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.935737][ T73] [ 7072.937725][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.937725][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.937725][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.937725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.937725][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7072.937725][ T73] ipv6_add_addr+0x411/0x2000 [ 7072.937725][ T73] inet6_addr_add+0x30e/0xa40 [ 7072.937725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.937725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.937725][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.937725][ T73] netlink_unicast+0x449/0x710 [ 7072.937725][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.937725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.937725][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.937725][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.937725][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.937725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.937725][ T73] [ 7072.939707][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.939707][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.939707][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.939707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.939707][ T73] ip6_route_add+0x1c/0x140 [ 7072.939707][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7072.939707][ T73] addrconf_add_dev+0xe2/0x170 [ 7072.939707][ T73] inet6_addr_add+0x12f/0xa40 [ 7072.939707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.939707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.939707][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.939707][ T73] netlink_unicast+0x449/0x710 [ 7072.939707][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.939707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.939707][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.939707][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.939707][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.939707][ T73] [ 7072.941671][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.941671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7072.941671][ T73] ipv6_find_idev+0x102/0x170 [ 7072.941671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.941671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.941671][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.941671][ T73] netlink_unicast+0x449/0x710 [ 7072.941671][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.941671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.941671][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.941671][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.941671][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.941671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.941671][ T73] [ 7072.943199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7072.943199][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7072.943199][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7072.943199][ T73] ipv6_find_idev+0x102/0x170 [ 7072.943199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.943199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.943199][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.943199][ T73] netlink_unicast+0x449/0x710 [ 7072.943199][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.943199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.943199][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.943199][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.943199][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.943199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.943199][ T73] [ 7072.944989][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7072.945313][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.945313][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7072.945313][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7072.945313][ T73] fib6_nh_init+0xa22/0x1580 [ 7072.945313][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.945313][ T73] ip6_route_add+0x1c/0x140 [ 7072.945313][ T73] inet6_rtm_newroute+0x104/0x110 [ 7072.945313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.945313][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.945313][ T73] netlink_unicast+0x449/0x710 [ 7072.945313][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.945313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.945313][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.945313][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.945313][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.945313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.945313][ T73] [ 7072.947425][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.947425][ T73] dst_init+0x84/0x4a0 [ 7072.947425][ T73] dst_alloc+0x97/0x150 [ 7072.947425][ T73] ip6_dst_alloc+0x23/0x90 [ 7072.947425][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7072.947425][ T73] ip6_pol_route+0x56f/0x840 [ 7072.947425][ T73] fib6_rule_lookup+0x456/0x630 [ 7072.947425][ T73] ip6_route_input+0x59c/0xa50 [ 7072.947425][ T73] ipv6_rcv+0x397/0x810 [ 7072.947425][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7072.947425][ T73] process_backlog+0x101/0x620 [ 7072.947425][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7072.947425][ T73] net_rx_action+0x495/0xbe0 [ 7072.947425][ T73] __do_softirq+0x1b5/0x7f6 [ 7072.947425][ T73] [ 7072.949239][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.949239][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.949239][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.949239][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.949239][ T73] ip6_route_add+0x1c/0x140 [ 7072.949239][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7072.949239][ T73] inet6_addr_add+0x4f8/0xa40 [ 7072.949239][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.949239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.949239][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.949239][ T73] netlink_unicast+0x449/0x710 [ 7072.949239][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.949239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.949239][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.949239][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.949239][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.949239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.949239][ T73] [ 7072.951474][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.951474][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.951474][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.951474][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.951474][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7072.951474][ T73] ipv6_add_addr+0x411/0x2000 [ 7072.951474][ T73] inet6_addr_add+0x30e/0xa40 [ 7072.951474][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.951474][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.951474][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.951474][ T73] netlink_unicast+0x449/0x710 [ 7072.951474][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.951474][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.951474][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.951474][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.951474][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.951474][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.951474][ T73] [ 7072.953585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.953585][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.953585][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.953585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.953585][ T73] ip6_route_add+0x1c/0x140 [ 7072.953585][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7072.953585][ T73] addrconf_add_dev+0xe2/0x170 [ 7072.953585][ T73] inet6_addr_add+0x12f/0xa40 [ 7072.953585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.953585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.953585][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.953585][ T73] netlink_unicast+0x449/0x710 [ 7072.953585][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.953585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.953585][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.953585][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.953585][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.953585][ T73] [ 7072.955688][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.955688][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7072.955688][ T73] ipv6_find_idev+0x102/0x170 [ 7072.955688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.955688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.955688][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.955688][ T73] netlink_unicast+0x449/0x710 [ 7072.955688][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.955688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.955688][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.955688][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.955688][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.955688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.955688][ T73] [ 7072.957350][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7072.957350][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7072.957350][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7072.957350][ T73] ipv6_find_idev+0x102/0x170 [ 7072.957350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.957350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.957350][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.957350][ T73] netlink_unicast+0x449/0x710 [ 7072.957350][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.957350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.957350][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.957350][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.957350][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.957350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.957350][ T73] [ 7072.959095][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7072.959360][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7072.959360][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.959360][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.959360][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.959360][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7072.959360][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7072.959360][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7072.959360][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7072.959360][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7072.959360][ T73] addrconf_dad_begin+0x310/0x670 [ 7072.959360][ T73] addrconf_dad_work+0x10b/0xab0 [ 7072.959360][ T73] process_one_work+0x84d/0x18a0 [ 7072.959360][ T73] worker_thread+0x587/0xd30 [ 7072.959360][ T73] kthread+0x28a/0x350 [ 7072.959360][ T73] ret_from_fork+0x31/0x70 [ 7072.959360][ T73] ret_from_fork_asm+0x1a/0x30 [ 7072.959360][ T73] [ 7072.961500][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7072.961500][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.961500][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.961500][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.961500][ T73] ip6_route_add+0x1c/0x140 [ 7072.961500][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7072.961500][ T73] inet6_addr_add+0x4f8/0xa40 [ 7072.961500][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.961500][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.961500][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.961500][ T73] netlink_unicast+0x449/0x710 [ 7072.961500][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.961500][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.961500][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.961500][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.961500][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.961500][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.961500][ T73] [ 7072.963725][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7072.963725][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.963725][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.963725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.963725][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7072.963725][ T73] ipv6_add_addr+0x411/0x2000 [ 7072.963725][ T73] inet6_addr_add+0x30e/0xa40 [ 7072.963725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.963725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.963725][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.963725][ T73] netlink_unicast+0x449/0x710 [ 7072.963725][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.963725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.963725][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.963725][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.963725][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.963725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.963725][ T73] [ 7072.966522][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7072.966522][ T73] netdev_get_by_index+0x5e/0x80 [ 7072.966522][ T73] fib6_nh_init+0x3d8/0x1580 [ 7072.966522][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7072.966522][ T73] ip6_route_add+0x1c/0x140 [ 7072.966522][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7072.966522][ T73] addrconf_add_dev+0xe2/0x170 [ 7072.966522][ T73] inet6_addr_add+0x12f/0xa40 [ 7072.966522][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7072.966522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.966522][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.966522][ T73] netlink_unicast+0x449/0x710 [ 7072.966522][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.966522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.966522][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.966522][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.966522][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.966522][ T73] [ 7072.969034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7072.969034][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7072.969034][ T73] ipv6_find_idev+0x102/0x170 [ 7072.969034][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.969034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.969034][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.969034][ T73] netlink_unicast+0x449/0x710 [ 7072.969034][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.969034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.969034][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.969034][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.969034][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.969034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.969034][ T73] [ 7072.970743][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7072.970743][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7072.970743][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7072.970743][ T73] ipv6_find_idev+0x102/0x170 [ 7072.970743][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7072.970743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7072.970743][ T73] netlink_rcv_skb+0x130/0x360 [ 7072.970743][ T73] netlink_unicast+0x449/0x710 [ 7072.970743][ T73] netlink_sendmsg+0x723/0xbe0 [ 7072.970743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7072.970743][ T73] ___sys_sendmsg+0xee/0x170 [ 7072.970743][ T73] __sys_sendmsg+0xcd/0x170 [ 7072.970743][ T73] do_syscall_64+0xc6/0x1e0 [ 7072.970743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7072.970743][ T73] [ 7083.222895][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7083.223350][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.223350][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7083.223350][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7083.223350][ T73] fib6_nh_init+0xa22/0x1580 [ 7083.223350][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.223350][ T73] ip6_route_add+0x1c/0x140 [ 7083.223350][ T73] inet6_rtm_newroute+0x104/0x110 [ 7083.223350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.223350][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.223350][ T73] netlink_unicast+0x449/0x710 [ 7083.223350][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.223350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.223350][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.223350][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.223350][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.223350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.223350][ T73] [ 7083.225255][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.225255][ T73] dst_init+0x84/0x4a0 [ 7083.225255][ T73] dst_alloc+0x97/0x150 [ 7083.225255][ T73] ip6_dst_alloc+0x23/0x90 [ 7083.225255][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7083.225255][ T73] ip6_pol_route+0x56f/0x840 [ 7083.225255][ T73] fib6_rule_lookup+0x456/0x630 [ 7083.225255][ T73] ip6_route_input+0x59c/0xa50 [ 7083.225255][ T73] ipv6_rcv+0x397/0x810 [ 7083.225255][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7083.225255][ T73] process_backlog+0x101/0x620 [ 7083.225255][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7083.225255][ T73] net_rx_action+0x495/0xbe0 [ 7083.225255][ T73] __do_softirq+0x1b5/0x7f6 [ 7083.225255][ T73] [ 7083.226890][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.226890][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.226890][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.226890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.226890][ T73] ip6_route_add+0x1c/0x140 [ 7083.226890][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7083.226890][ T73] inet6_addr_add+0x4f8/0xa40 [ 7083.226890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.226890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.226890][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.226890][ T73] netlink_unicast+0x449/0x710 [ 7083.226890][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.226890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.226890][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.226890][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.226890][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.226890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.226890][ T73] [ 7083.228902][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.228902][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.228902][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.228902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.228902][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7083.228902][ T73] ipv6_add_addr+0x411/0x2000 [ 7083.228902][ T73] inet6_addr_add+0x30e/0xa40 [ 7083.228902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.228902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.228902][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.228902][ T73] netlink_unicast+0x449/0x710 [ 7083.228902][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.228902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.228902][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.228902][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.228902][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.228902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.228902][ T73] [ 7083.230886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.230886][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.230886][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.230886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.230886][ T73] ip6_route_add+0x1c/0x140 [ 7083.230886][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.230886][ T73] addrconf_add_dev+0xe2/0x170 [ 7083.230886][ T73] inet6_addr_add+0x12f/0xa40 [ 7083.230886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.230886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.230886][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.230886][ T73] netlink_unicast+0x449/0x710 [ 7083.230886][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.230886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.230886][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.230886][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.230886][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.230886][ T73] [ 7083.232877][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.232877][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7083.232877][ T73] ipv6_find_idev+0x102/0x170 [ 7083.232877][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.232877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.232877][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.232877][ T73] netlink_unicast+0x449/0x710 [ 7083.232877][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.232877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.232877][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.232877][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.232877][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.232877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.232877][ T73] [ 7083.234414][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7083.234414][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7083.234414][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7083.234414][ T73] ipv6_find_idev+0x102/0x170 [ 7083.234414][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.234414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.234414][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.234414][ T73] netlink_unicast+0x449/0x710 [ 7083.234414][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.234414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.234414][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.234414][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.234414][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.234414][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.234414][ T73] [ 7083.236089][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7083.236362][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.236362][ T73] dst_init+0x84/0x4a0 [ 7083.236362][ T73] dst_alloc+0x97/0x150 [ 7083.236362][ T73] ip6_dst_alloc+0x23/0x90 [ 7083.236362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7083.236362][ T73] ip6_pol_route+0x56f/0x840 [ 7083.236362][ T73] fib6_rule_lookup+0x456/0x630 [ 7083.236362][ T73] ip6_route_input+0x59c/0xa50 [ 7083.236362][ T73] ipv6_rcv+0x397/0x810 [ 7083.236362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7083.236362][ T73] process_backlog+0x101/0x620 [ 7083.236362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7083.236362][ T73] net_rx_action+0x495/0xbe0 [ 7083.236362][ T73] __do_softirq+0x1b5/0x7f6 [ 7083.236362][ T73] [ 7083.237983][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.237983][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.237983][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.237983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.237983][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7083.237983][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7083.237983][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7083.237983][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7083.237983][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7083.237983][ T73] addrconf_dad_begin+0x310/0x670 [ 7083.237983][ T73] addrconf_dad_work+0x10b/0xab0 [ 7083.237983][ T73] process_one_work+0x84d/0x18a0 [ 7083.237983][ T73] worker_thread+0x587/0xd30 [ 7083.237983][ T73] kthread+0x28a/0x350 [ 7083.237983][ T73] ret_from_fork+0x31/0x70 [ 7083.237983][ T73] ret_from_fork_asm+0x1a/0x30 [ 7083.237983][ T73] [ 7083.239890][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.239890][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.239890][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.239890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.239890][ T73] ip6_route_add+0x1c/0x140 [ 7083.239890][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7083.239890][ T73] inet6_addr_add+0x4f8/0xa40 [ 7083.239890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.239890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.239890][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.239890][ T73] netlink_unicast+0x449/0x710 [ 7083.239890][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.239890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.239890][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.239890][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.239890][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.239890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.239890][ T73] [ 7083.241835][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.241835][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.241835][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.241835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.241835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7083.241835][ T73] ipv6_add_addr+0x411/0x2000 [ 7083.241835][ T73] inet6_addr_add+0x30e/0xa40 [ 7083.241835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.241835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.241835][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.241835][ T73] netlink_unicast+0x449/0x710 [ 7083.241835][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.241835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.241835][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.241835][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.241835][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.241835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.241835][ T73] [ 7083.243825][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.243825][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.243825][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.243825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.243825][ T73] ip6_route_add+0x1c/0x140 [ 7083.243825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.243825][ T73] addrconf_add_dev+0xe2/0x170 [ 7083.243825][ T73] inet6_addr_add+0x12f/0xa40 [ 7083.243825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.243825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.243825][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.243825][ T73] netlink_unicast+0x449/0x710 [ 7083.243825][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.243825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.243825][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.243825][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.243825][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.243825][ T73] [ 7083.245715][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.245715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7083.245715][ T73] ipv6_find_idev+0x102/0x170 [ 7083.245715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.245715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.245715][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.245715][ T73] netlink_unicast+0x449/0x710 [ 7083.245715][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.245715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.245715][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.245715][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.245715][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.245715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.245715][ T73] [ 7083.247199][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7083.247199][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7083.247199][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7083.247199][ T73] ipv6_find_idev+0x102/0x170 [ 7083.247199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.247199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.247199][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.247199][ T73] netlink_unicast+0x449/0x710 [ 7083.247199][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.247199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.247199][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.247199][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.247199][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.247199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.247199][ T73] [ 7083.248974][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7083.249304][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.249304][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7083.249304][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7083.249304][ T73] fib6_nh_init+0xa22/0x1580 [ 7083.249304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.249304][ T73] ip6_route_add+0x1c/0x140 [ 7083.249304][ T73] inet6_rtm_newroute+0x104/0x110 [ 7083.249304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.249304][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.249304][ T73] netlink_unicast+0x449/0x710 [ 7083.249304][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.249304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.249304][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.249304][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.249304][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.249304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.249304][ T73] [ 7083.251282][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.251282][ T73] dst_init+0x84/0x4a0 [ 7083.251282][ T73] dst_alloc+0x97/0x150 [ 7083.251282][ T73] ip6_dst_alloc+0x23/0x90 [ 7083.251282][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7083.251282][ T73] ip6_pol_route+0x56f/0x840 [ 7083.251282][ T73] fib6_rule_lookup+0x456/0x630 [ 7083.251282][ T73] ip6_route_input+0x59c/0xa50 [ 7083.251282][ T73] ipv6_rcv+0x397/0x810 [ 7083.251282][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7083.251282][ T73] process_backlog+0x101/0x620 [ 7083.251282][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7083.251282][ T73] net_rx_action+0x495/0xbe0 [ 7083.251282][ T73] __do_softirq+0x1b5/0x7f6 [ 7083.251282][ T73] [ 7083.253082][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.253082][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.253082][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.253082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.253082][ T73] ip6_route_add+0x1c/0x140 [ 7083.253082][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7083.253082][ T73] inet6_addr_add+0x4f8/0xa40 [ 7083.253082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.253082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.253082][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.253082][ T73] netlink_unicast+0x449/0x710 [ 7083.253082][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.253082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.253082][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.253082][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.253082][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.253082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.253082][ T73] [ 7083.255367][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.255367][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.255367][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.255367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.255367][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7083.255367][ T73] ipv6_add_addr+0x411/0x2000 [ 7083.255367][ T73] inet6_addr_add+0x30e/0xa40 [ 7083.255367][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.255367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.255367][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.255367][ T73] netlink_unicast+0x449/0x710 [ 7083.255367][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.255367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.255367][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.255367][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.255367][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.255367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.255367][ T73] [ 7083.257594][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.257594][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.257594][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.257594][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.257594][ T73] ip6_route_add+0x1c/0x140 [ 7083.257594][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.257594][ T73] addrconf_add_dev+0xe2/0x170 [ 7083.257594][ T73] inet6_addr_add+0x12f/0xa40 [ 7083.257594][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.257594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.257594][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.257594][ T73] netlink_unicast+0x449/0x710 [ 7083.257594][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.257594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.257594][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.257594][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.257594][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.257594][ T73] [ 7083.259784][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.259784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7083.259784][ T73] ipv6_find_idev+0x102/0x170 [ 7083.259784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.259784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.259784][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.259784][ T73] netlink_unicast+0x449/0x710 [ 7083.259784][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.259784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.259784][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.259784][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.259784][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.259784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.259784][ T73] [ 7083.261486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7083.261486][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7083.261486][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7083.261486][ T73] ipv6_find_idev+0x102/0x170 [ 7083.261486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.261486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.261486][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.261486][ T73] netlink_unicast+0x449/0x710 [ 7083.261486][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.261486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.261486][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.261486][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.261486][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.261486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.261486][ T73] [ 7083.263340][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7083.263612][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7083.263612][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.263612][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.263612][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.263612][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7083.263612][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7083.263612][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7083.263612][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7083.263612][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7083.263612][ T73] addrconf_dad_begin+0x310/0x670 [ 7083.263612][ T73] addrconf_dad_work+0x10b/0xab0 [ 7083.263612][ T73] process_one_work+0x84d/0x18a0 [ 7083.263612][ T73] worker_thread+0x587/0xd30 [ 7083.263612][ T73] kthread+0x28a/0x350 [ 7083.263612][ T73] ret_from_fork+0x31/0x70 [ 7083.263612][ T73] ret_from_fork_asm+0x1a/0x30 [ 7083.263612][ T73] [ 7083.265807][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7083.265807][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.265807][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.265807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.265807][ T73] ip6_route_add+0x1c/0x140 [ 7083.265807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7083.265807][ T73] inet6_addr_add+0x4f8/0xa40 [ 7083.265807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.265807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.265807][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.265807][ T73] netlink_unicast+0x449/0x710 [ 7083.265807][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.265807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.265807][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.265807][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.265807][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.265807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.265807][ T73] [ 7083.268043][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7083.268043][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.268043][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.268043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.268043][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7083.268043][ T73] ipv6_add_addr+0x411/0x2000 [ 7083.268043][ T73] inet6_addr_add+0x30e/0xa40 [ 7083.268043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.268043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.268043][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.268043][ T73] netlink_unicast+0x449/0x710 [ 7083.268043][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.268043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.268043][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.268043][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.268043][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.268043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.268043][ T73] [ 7083.270260][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7083.270260][ T73] netdev_get_by_index+0x5e/0x80 [ 7083.270260][ T73] fib6_nh_init+0x3d8/0x1580 [ 7083.270260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7083.270260][ T73] ip6_route_add+0x1c/0x140 [ 7083.270260][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.270260][ T73] addrconf_add_dev+0xe2/0x170 [ 7083.270260][ T73] inet6_addr_add+0x12f/0xa40 [ 7083.270260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.270260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.270260][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.270260][ T73] netlink_unicast+0x449/0x710 [ 7083.270260][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.270260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.270260][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.270260][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.270260][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.270260][ T73] [ 7083.272383][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7083.272383][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7083.272383][ T73] ipv6_find_idev+0x102/0x170 [ 7083.272383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.272383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.272383][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.272383][ T73] netlink_unicast+0x449/0x710 [ 7083.272383][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.272383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.272383][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.272383][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.272383][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.272383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.272383][ T73] [ 7083.274146][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7083.274146][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7083.274146][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7083.274146][ T73] ipv6_find_idev+0x102/0x170 [ 7083.274146][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.274146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.274146][ T73] netlink_rcv_skb+0x130/0x360 [ 7083.274146][ T73] netlink_unicast+0x449/0x710 [ 7083.274146][ T73] netlink_sendmsg+0x723/0xbe0 [ 7083.274146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7083.274146][ T73] ___sys_sendmsg+0xee/0x170 [ 7083.274146][ T73] __sys_sendmsg+0xcd/0x170 [ 7083.274146][ T73] do_syscall_64+0xc6/0x1e0 [ 7083.274146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.274146][ T73] [ 7093.526882][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7093.527318][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.527318][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7093.527318][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7093.527318][ T73] fib6_nh_init+0xa22/0x1580 [ 7093.527318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.527318][ T73] ip6_route_add+0x1c/0x140 [ 7093.527318][ T73] inet6_rtm_newroute+0x104/0x110 [ 7093.527318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.527318][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.527318][ T73] netlink_unicast+0x449/0x710 [ 7093.527318][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.527318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.527318][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.527318][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.527318][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.527318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.527318][ T73] [ 7093.529207][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.529207][ T73] dst_init+0x84/0x4a0 [ 7093.529207][ T73] dst_alloc+0x97/0x150 [ 7093.529207][ T73] ip6_dst_alloc+0x23/0x90 [ 7093.529207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7093.529207][ T73] ip6_pol_route+0x56f/0x840 [ 7093.529207][ T73] fib6_rule_lookup+0x456/0x630 [ 7093.529207][ T73] ip6_route_input+0x59c/0xa50 [ 7093.529207][ T73] ipv6_rcv+0x397/0x810 [ 7093.529207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7093.529207][ T73] process_backlog+0x101/0x620 [ 7093.529207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7093.529207][ T73] net_rx_action+0x495/0xbe0 [ 7093.529207][ T73] __do_softirq+0x1b5/0x7f6 [ 7093.529207][ T73] [ 7093.530828][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.530828][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.530828][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.530828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.530828][ T73] ip6_route_add+0x1c/0x140 [ 7093.530828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7093.530828][ T73] inet6_addr_add+0x4f8/0xa40 [ 7093.530828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.530828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.530828][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.530828][ T73] netlink_unicast+0x449/0x710 [ 7093.530828][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.530828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.530828][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.530828][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.530828][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.530828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.530828][ T73] [ 7093.532805][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.532805][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.532805][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.532805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.532805][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7093.532805][ T73] ipv6_add_addr+0x411/0x2000 [ 7093.532805][ T73] inet6_addr_add+0x30e/0xa40 [ 7093.532805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.532805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.532805][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.532805][ T73] netlink_unicast+0x449/0x710 [ 7093.532805][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.532805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.532805][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.532805][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.532805][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.532805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.532805][ T73] [ 7093.534782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.534782][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.534782][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.534782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.534782][ T73] ip6_route_add+0x1c/0x140 [ 7093.534782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7093.534782][ T73] addrconf_add_dev+0xe2/0x170 [ 7093.534782][ T73] inet6_addr_add+0x12f/0xa40 [ 7093.534782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.534782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.534782][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.534782][ T73] netlink_unicast+0x449/0x710 [ 7093.534782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.534782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.534782][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.534782][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.534782][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.534782][ T73] [ 7093.536734][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.536734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7093.536734][ T73] ipv6_find_idev+0x102/0x170 [ 7093.536734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.536734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.536734][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.536734][ T73] netlink_unicast+0x449/0x710 [ 7093.536734][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.536734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.536734][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.536734][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.536734][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.536734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.536734][ T73] [ 7093.538266][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7093.538266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7093.538266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7093.538266][ T73] ipv6_find_idev+0x102/0x170 [ 7093.538266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.538266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.538266][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.538266][ T73] netlink_unicast+0x449/0x710 [ 7093.538266][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.538266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.538266][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.538266][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.538266][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.538266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.538266][ T73] [ 7093.540472][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7093.540743][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.540743][ T73] dst_init+0x84/0x4a0 [ 7093.540743][ T73] dst_alloc+0x97/0x150 [ 7093.540743][ T73] ip6_dst_alloc+0x23/0x90 [ 7093.540743][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7093.540743][ T73] ip6_pol_route+0x56f/0x840 [ 7093.540743][ T73] fib6_rule_lookup+0x456/0x630 [ 7093.540743][ T73] ip6_route_input+0x59c/0xa50 [ 7093.540743][ T73] ipv6_rcv+0x397/0x810 [ 7093.540743][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7093.540743][ T73] process_backlog+0x101/0x620 [ 7093.540743][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7093.540743][ T73] net_rx_action+0x495/0xbe0 [ 7093.540743][ T73] __do_softirq+0x1b5/0x7f6 [ 7093.540743][ T73] [ 7093.542362][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.542362][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.542362][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.542362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.542362][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7093.542362][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7093.542362][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7093.542362][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7093.542362][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7093.542362][ T73] addrconf_dad_begin+0x310/0x670 [ 7093.542362][ T73] addrconf_dad_work+0x10b/0xab0 [ 7093.542362][ T73] process_one_work+0x84d/0x18a0 [ 7093.542362][ T73] worker_thread+0x587/0xd30 [ 7093.542362][ T73] kthread+0x28a/0x350 [ 7093.542362][ T73] ret_from_fork+0x31/0x70 [ 7093.542362][ T73] ret_from_fork_asm+0x1a/0x30 [ 7093.542362][ T73] [ 7093.544643][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.544643][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.544643][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.544643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.544643][ T73] ip6_route_add+0x1c/0x140 [ 7093.544643][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7093.544643][ T73] inet6_addr_add+0x4f8/0xa40 [ 7093.544643][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.544643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.544643][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.544643][ T73] netlink_unicast+0x449/0x710 [ 7093.544643][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.544643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.544643][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.544643][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.544643][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.544643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.544643][ T73] [ 7093.546623][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.546623][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.546623][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.546623][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.546623][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7093.546623][ T73] ipv6_add_addr+0x411/0x2000 [ 7093.546623][ T73] inet6_addr_add+0x30e/0xa40 [ 7093.546623][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.546623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.546623][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.546623][ T73] netlink_unicast+0x449/0x710 [ 7093.546623][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.546623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.546623][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.546623][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.546623][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.546623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.546623][ T73] [ 7093.548626][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.548626][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.548626][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.548626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.548626][ T73] ip6_route_add+0x1c/0x140 [ 7093.548626][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7093.548626][ T73] addrconf_add_dev+0xe2/0x170 [ 7093.548626][ T73] inet6_addr_add+0x12f/0xa40 [ 7093.548626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.548626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.548626][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.548626][ T73] netlink_unicast+0x449/0x710 [ 7093.548626][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.548626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.548626][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.548626][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.548626][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.548626][ T73] [ 7093.550599][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.550599][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7093.550599][ T73] ipv6_find_idev+0x102/0x170 [ 7093.550599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.550599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.550599][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.550599][ T73] netlink_unicast+0x449/0x710 [ 7093.550599][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.550599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.550599][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.550599][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.550599][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.550599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.550599][ T73] [ 7093.552140][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7093.552140][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7093.552140][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7093.552140][ T73] ipv6_find_idev+0x102/0x170 [ 7093.552140][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.552140][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.552140][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.552140][ T73] netlink_unicast+0x449/0x710 [ 7093.552140][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.552140][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.552140][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.552140][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.552140][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.552140][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.552140][ T73] [ 7093.553894][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7093.554215][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.554215][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7093.554215][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7093.554215][ T73] fib6_nh_init+0xa22/0x1580 [ 7093.554215][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.554215][ T73] ip6_route_add+0x1c/0x140 [ 7093.554215][ T73] inet6_rtm_newroute+0x104/0x110 [ 7093.554215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.554215][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.554215][ T73] netlink_unicast+0x449/0x710 [ 7093.554215][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.554215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.554215][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.554215][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.554215][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.554215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.554215][ T73] [ 7093.556319][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.556319][ T73] dst_init+0x84/0x4a0 [ 7093.556319][ T73] dst_alloc+0x97/0x150 [ 7093.556319][ T73] ip6_dst_alloc+0x23/0x90 [ 7093.556319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7093.556319][ T73] ip6_pol_route+0x56f/0x840 [ 7093.556319][ T73] fib6_rule_lookup+0x456/0x630 [ 7093.556319][ T73] ip6_route_input+0x59c/0xa50 [ 7093.556319][ T73] ipv6_rcv+0x397/0x810 [ 7093.556319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7093.556319][ T73] process_backlog+0x101/0x620 [ 7093.556319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7093.556319][ T73] net_rx_action+0x495/0xbe0 [ 7093.556319][ T73] __do_softirq+0x1b5/0x7f6 [ 7093.556319][ T73] [ 7093.558120][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.558120][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.558120][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.558120][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.558120][ T73] ip6_route_add+0x1c/0x140 [ 7093.558120][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7093.558120][ T73] inet6_addr_add+0x4f8/0xa40 [ 7093.558120][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.558120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.558120][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.558120][ T73] netlink_unicast+0x449/0x710 [ 7093.558120][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.558120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.558120][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.558120][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.558120][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.558120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.558120][ T73] [ 7093.560339][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.560339][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.560339][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.560339][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.560339][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7093.560339][ T73] ipv6_add_addr+0x411/0x2000 [ 7093.560339][ T73] inet6_addr_add+0x30e/0xa40 [ 7093.560339][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.560339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.560339][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.560339][ T73] netlink_unicast+0x449/0x710 [ 7093.560339][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.560339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.560339][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.560339][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.560339][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.560339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.560339][ T73] [ 7093.562565][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.562565][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.562565][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.562565][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.562565][ T73] ip6_route_add+0x1c/0x140 [ 7093.562565][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7093.562565][ T73] addrconf_add_dev+0xe2/0x170 [ 7093.562565][ T73] inet6_addr_add+0x12f/0xa40 [ 7093.562565][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.562565][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.562565][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.562565][ T73] netlink_unicast+0x449/0x710 [ 7093.562565][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.562565][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.562565][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.562565][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.562565][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.562565][ T73] [ 7093.564807][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.564807][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7093.564807][ T73] ipv6_find_idev+0x102/0x170 [ 7093.564807][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.564807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.564807][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.564807][ T73] netlink_unicast+0x449/0x710 [ 7093.564807][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.564807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.564807][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.564807][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.564807][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.564807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.564807][ T73] [ 7093.566510][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7093.566510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7093.566510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7093.566510][ T73] ipv6_find_idev+0x102/0x170 [ 7093.566510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.566510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.566510][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.566510][ T73] netlink_unicast+0x449/0x710 [ 7093.566510][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.566510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.566510][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.566510][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.566510][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.566510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.566510][ T73] [ 7093.568366][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7093.568631][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7093.568631][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.568631][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.568631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.568631][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7093.568631][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7093.568631][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7093.568631][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7093.568631][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7093.568631][ T73] addrconf_dad_begin+0x310/0x670 [ 7093.568631][ T73] addrconf_dad_work+0x10b/0xab0 [ 7093.568631][ T73] process_one_work+0x84d/0x18a0 [ 7093.568631][ T73] worker_thread+0x587/0xd30 [ 7093.568631][ T73] kthread+0x28a/0x350 [ 7093.568631][ T73] ret_from_fork+0x31/0x70 [ 7093.568631][ T73] ret_from_fork_asm+0x1a/0x30 [ 7093.568631][ T73] [ 7093.570785][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7093.570785][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.570785][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.570785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.570785][ T73] ip6_route_add+0x1c/0x140 [ 7093.570785][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7093.570785][ T73] inet6_addr_add+0x4f8/0xa40 [ 7093.570785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.570785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.570785][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.570785][ T73] netlink_unicast+0x449/0x710 [ 7093.570785][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.570785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.570785][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.570785][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.570785][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.570785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.570785][ T73] [ 7093.573012][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7093.573012][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.573012][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.573012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.573012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7093.573012][ T73] ipv6_add_addr+0x411/0x2000 [ 7093.573012][ T73] inet6_addr_add+0x30e/0xa40 [ 7093.573012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.573012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.573012][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.573012][ T73] netlink_unicast+0x449/0x710 [ 7093.573012][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.573012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.573012][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.573012][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.573012][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.573012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.573012][ T73] [ 7093.575295][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7093.575295][ T73] netdev_get_by_index+0x5e/0x80 [ 7093.575295][ T73] fib6_nh_init+0x3d8/0x1580 [ 7093.575295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7093.575295][ T73] ip6_route_add+0x1c/0x140 [ 7093.575295][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7093.575295][ T73] addrconf_add_dev+0xe2/0x170 [ 7093.575295][ T73] inet6_addr_add+0x12f/0xa40 [ 7093.575295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7093.575295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.575295][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.575295][ T73] netlink_unicast+0x449/0x710 [ 7093.575295][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.575295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.575295][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.575295][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.575295][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.575295][ T73] [ 7093.577416][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7093.577416][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7093.577416][ T73] ipv6_find_idev+0x102/0x170 [ 7093.577416][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.577416][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.577416][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.577416][ T73] netlink_unicast+0x449/0x710 [ 7093.577416][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.577416][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.577416][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.577416][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.577416][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.577416][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.577416][ T73] [ 7093.579134][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7093.579134][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7093.579134][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7093.579134][ T73] ipv6_find_idev+0x102/0x170 [ 7093.579134][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7093.579134][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7093.579134][ T73] netlink_rcv_skb+0x130/0x360 [ 7093.579134][ T73] netlink_unicast+0x449/0x710 [ 7093.579134][ T73] netlink_sendmsg+0x723/0xbe0 [ 7093.579134][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7093.579134][ T73] ___sys_sendmsg+0xee/0x170 [ 7093.579134][ T73] __sys_sendmsg+0xcd/0x170 [ 7093.579134][ T73] do_syscall_64+0xc6/0x1e0 [ 7093.579134][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7093.579134][ T73] [ 7103.830891][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7103.831331][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.831331][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7103.831331][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7103.831331][ T73] fib6_nh_init+0xa22/0x1580 [ 7103.831331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.831331][ T73] ip6_route_add+0x1c/0x140 [ 7103.831331][ T73] inet6_rtm_newroute+0x104/0x110 [ 7103.831331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.831331][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.831331][ T73] netlink_unicast+0x449/0x710 [ 7103.831331][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.831331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.831331][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.831331][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.831331][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.831331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.831331][ T73] [ 7103.833209][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.833209][ T73] dst_init+0x84/0x4a0 [ 7103.833209][ T73] dst_alloc+0x97/0x150 [ 7103.833209][ T73] ip6_dst_alloc+0x23/0x90 [ 7103.833209][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7103.833209][ T73] ip6_pol_route+0x56f/0x840 [ 7103.833209][ T73] fib6_rule_lookup+0x456/0x630 [ 7103.833209][ T73] ip6_route_input+0x59c/0xa50 [ 7103.833209][ T73] ipv6_rcv+0x397/0x810 [ 7103.833209][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7103.833209][ T73] process_backlog+0x101/0x620 [ 7103.833209][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7103.833209][ T73] net_rx_action+0x495/0xbe0 [ 7103.833209][ T73] __do_softirq+0x1b5/0x7f6 [ 7103.833209][ T73] [ 7103.835194][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.835194][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.835194][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.835194][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.835194][ T73] ip6_route_add+0x1c/0x140 [ 7103.835194][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7103.835194][ T73] inet6_addr_add+0x4f8/0xa40 [ 7103.835194][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.835194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.835194][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.835194][ T73] netlink_unicast+0x449/0x710 [ 7103.835194][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.835194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.835194][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.835194][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.835194][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.835194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.835194][ T73] [ 7103.837178][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.837178][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.837178][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.837178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.837178][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7103.837178][ T73] ipv6_add_addr+0x411/0x2000 [ 7103.837178][ T73] inet6_addr_add+0x30e/0xa40 [ 7103.837178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.837178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.837178][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.837178][ T73] netlink_unicast+0x449/0x710 [ 7103.837178][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.837178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.837178][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.837178][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.837178][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.837178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.837178][ T73] [ 7103.839170][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.839170][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.839170][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.839170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.839170][ T73] ip6_route_add+0x1c/0x140 [ 7103.839170][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7103.839170][ T73] addrconf_add_dev+0xe2/0x170 [ 7103.839170][ T73] inet6_addr_add+0x12f/0xa40 [ 7103.839170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.839170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.839170][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.839170][ T73] netlink_unicast+0x449/0x710 [ 7103.839170][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.839170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.839170][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.839170][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.839170][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.839170][ T73] [ 7103.841115][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.841115][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7103.841115][ T73] ipv6_find_idev+0x102/0x170 [ 7103.841115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.841115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.841115][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.841115][ T73] netlink_unicast+0x449/0x710 [ 7103.841115][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.841115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.841115][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.841115][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.841115][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.841115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.841115][ T73] [ 7103.842651][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7103.842651][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7103.842651][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7103.842651][ T73] ipv6_find_idev+0x102/0x170 [ 7103.842651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.842651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.842651][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.842651][ T73] netlink_unicast+0x449/0x710 [ 7103.842651][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.842651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.842651][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.842651][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.842651][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.842651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.842651][ T73] [ 7103.844331][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7103.844596][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.844596][ T73] dst_init+0x84/0x4a0 [ 7103.844596][ T73] dst_alloc+0x97/0x150 [ 7103.844596][ T73] ip6_dst_alloc+0x23/0x90 [ 7103.844596][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7103.844596][ T73] ip6_pol_route+0x56f/0x840 [ 7103.844596][ T73] fib6_rule_lookup+0x456/0x630 [ 7103.844596][ T73] ip6_route_input+0x59c/0xa50 [ 7103.844596][ T73] ipv6_rcv+0x397/0x810 [ 7103.844596][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7103.844596][ T73] process_backlog+0x101/0x620 [ 7103.844596][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7103.844596][ T73] net_rx_action+0x495/0xbe0 [ 7103.844596][ T73] __do_softirq+0x1b5/0x7f6 [ 7103.844596][ T73] [ 7103.846229][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.846229][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.846229][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.846229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.846229][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7103.846229][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7103.846229][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7103.846229][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7103.846229][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7103.846229][ T73] addrconf_dad_begin+0x310/0x670 [ 7103.846229][ T73] addrconf_dad_work+0x10b/0xab0 [ 7103.846229][ T73] process_one_work+0x84d/0x18a0 [ 7103.846229][ T73] worker_thread+0x587/0xd30 [ 7103.846229][ T73] kthread+0x28a/0x350 [ 7103.846229][ T73] ret_from_fork+0x31/0x70 [ 7103.846229][ T73] ret_from_fork_asm+0x1a/0x30 [ 7103.846229][ T73] [ 7103.848123][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.848123][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.848123][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.848123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.848123][ T73] ip6_route_add+0x1c/0x140 [ 7103.848123][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7103.848123][ T73] inet6_addr_add+0x4f8/0xa40 [ 7103.848123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.848123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.848123][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.848123][ T73] netlink_unicast+0x449/0x710 [ 7103.848123][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.848123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.848123][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.848123][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.848123][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.848123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.848123][ T73] [ 7103.850098][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.850098][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.850098][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.850098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.850098][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7103.850098][ T73] ipv6_add_addr+0x411/0x2000 [ 7103.850098][ T73] inet6_addr_add+0x30e/0xa40 [ 7103.850098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.850098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.850098][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.850098][ T73] netlink_unicast+0x449/0x710 [ 7103.850098][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.850098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.850098][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.850098][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.850098][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.850098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.850098][ T73] [ 7103.852072][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.852072][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.852072][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.852072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.852072][ T73] ip6_route_add+0x1c/0x140 [ 7103.852072][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7103.852072][ T73] addrconf_add_dev+0xe2/0x170 [ 7103.852072][ T73] inet6_addr_add+0x12f/0xa40 [ 7103.852072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.852072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.852072][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.852072][ T73] netlink_unicast+0x449/0x710 [ 7103.852072][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.852072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.852072][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.852072][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.852072][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.852072][ T73] [ 7103.854017][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.854017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7103.854017][ T73] ipv6_find_idev+0x102/0x170 [ 7103.854017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.854017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.854017][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.854017][ T73] netlink_unicast+0x449/0x710 [ 7103.854017][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.854017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.854017][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.854017][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.854017][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.854017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.854017][ T73] [ 7103.855538][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7103.855538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7103.855538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7103.855538][ T73] ipv6_find_idev+0x102/0x170 [ 7103.855538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.855538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.855538][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.855538][ T73] netlink_unicast+0x449/0x710 [ 7103.855538][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.855538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.855538][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.855538][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.855538][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.855538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.855538][ T73] [ 7103.857271][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7103.857604][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.857604][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7103.857604][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7103.857604][ T73] fib6_nh_init+0xa22/0x1580 [ 7103.857604][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.857604][ T73] ip6_route_add+0x1c/0x140 [ 7103.857604][ T73] inet6_rtm_newroute+0x104/0x110 [ 7103.857604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.857604][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.857604][ T73] netlink_unicast+0x449/0x710 [ 7103.857604][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.857604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.857604][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.857604][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.857604][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.857604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.857604][ T73] [ 7103.859535][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.859535][ T73] dst_init+0x84/0x4a0 [ 7103.859535][ T73] dst_alloc+0x97/0x150 [ 7103.859535][ T73] ip6_dst_alloc+0x23/0x90 [ 7103.859535][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7103.859535][ T73] ip6_pol_route+0x56f/0x840 [ 7103.859535][ T73] fib6_rule_lookup+0x456/0x630 [ 7103.859535][ T73] ip6_route_input+0x59c/0xa50 [ 7103.859535][ T73] ipv6_rcv+0x397/0x810 [ 7103.859535][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7103.859535][ T73] process_backlog+0x101/0x620 [ 7103.859535][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7103.859535][ T73] net_rx_action+0x495/0xbe0 [ 7103.859535][ T73] __do_softirq+0x1b5/0x7f6 [ 7103.859535][ T73] [ 7103.861281][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.861281][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.861281][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.861281][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.861281][ T73] ip6_route_add+0x1c/0x140 [ 7103.861281][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7103.861281][ T73] inet6_addr_add+0x4f8/0xa40 [ 7103.861281][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.861281][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.861281][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.861281][ T73] netlink_unicast+0x449/0x710 [ 7103.861281][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.861281][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.861281][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.861281][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.861281][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.861281][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.861281][ T73] [ 7103.863448][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.863448][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.863448][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.863448][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.863448][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7103.863448][ T73] ipv6_add_addr+0x411/0x2000 [ 7103.863448][ T73] inet6_addr_add+0x30e/0xa40 [ 7103.863448][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.863448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.863448][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.863448][ T73] netlink_unicast+0x449/0x710 [ 7103.863448][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.863448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.863448][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.863448][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.863448][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.863448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.863448][ T73] [ 7103.865555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.865555][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.865555][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.865555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.865555][ T73] ip6_route_add+0x1c/0x140 [ 7103.865555][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7103.865555][ T73] addrconf_add_dev+0xe2/0x170 [ 7103.865555][ T73] inet6_addr_add+0x12f/0xa40 [ 7103.865555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.865555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.865555][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.865555][ T73] netlink_unicast+0x449/0x710 [ 7103.865555][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.865555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.865555][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.865555][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.865555][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.865555][ T73] [ 7103.867636][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.867636][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7103.867636][ T73] ipv6_find_idev+0x102/0x170 [ 7103.867636][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.867636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.867636][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.867636][ T73] netlink_unicast+0x449/0x710 [ 7103.867636][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.867636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.867636][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.867636][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.867636][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.867636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.867636][ T73] [ 7103.869235][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7103.869235][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7103.869235][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7103.869235][ T73] ipv6_find_idev+0x102/0x170 [ 7103.869235][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.869235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.869235][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.869235][ T73] netlink_unicast+0x449/0x710 [ 7103.869235][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.869235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.869235][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.869235][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.869235][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.869235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.869235][ T73] [ 7103.871112][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7103.871398][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7103.871398][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.871398][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.871398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.871398][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7103.871398][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7103.871398][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7103.871398][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7103.871398][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7103.871398][ T73] addrconf_dad_begin+0x310/0x670 [ 7103.871398][ T73] addrconf_dad_work+0x10b/0xab0 [ 7103.871398][ T73] process_one_work+0x84d/0x18a0 [ 7103.871398][ T73] worker_thread+0x587/0xd30 [ 7103.871398][ T73] kthread+0x28a/0x350 [ 7103.871398][ T73] ret_from_fork+0x31/0x70 [ 7103.871398][ T73] ret_from_fork_asm+0x1a/0x30 [ 7103.871398][ T73] [ 7103.873478][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7103.873478][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.873478][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.873478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.873478][ T73] ip6_route_add+0x1c/0x140 [ 7103.873478][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7103.873478][ T73] inet6_addr_add+0x4f8/0xa40 [ 7103.873478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.873478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.873478][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.873478][ T73] netlink_unicast+0x449/0x710 [ 7103.873478][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.873478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.873478][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.873478][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.873478][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.873478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.873478][ T73] [ 7103.875701][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7103.875701][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.875701][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.875701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.875701][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7103.875701][ T73] ipv6_add_addr+0x411/0x2000 [ 7103.875701][ T73] inet6_addr_add+0x30e/0xa40 [ 7103.875701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.875701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.875701][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.875701][ T73] netlink_unicast+0x449/0x710 [ 7103.875701][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.875701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.875701][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.875701][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.875701][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.875701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.875701][ T73] [ 7103.877919][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7103.877919][ T73] netdev_get_by_index+0x5e/0x80 [ 7103.877919][ T73] fib6_nh_init+0x3d8/0x1580 [ 7103.877919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7103.877919][ T73] ip6_route_add+0x1c/0x140 [ 7103.877919][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7103.877919][ T73] addrconf_add_dev+0xe2/0x170 [ 7103.877919][ T73] inet6_addr_add+0x12f/0xa40 [ 7103.877919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7103.877919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.877919][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.877919][ T73] netlink_unicast+0x449/0x710 [ 7103.877919][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.877919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.877919][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.877919][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.877919][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.877919][ T73] [ 7103.880040][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7103.880040][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7103.880040][ T73] ipv6_find_idev+0x102/0x170 [ 7103.880040][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.880040][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.880040][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.880040][ T73] netlink_unicast+0x449/0x710 [ 7103.880040][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.880040][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.880040][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.880040][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.880040][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.880040][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.880040][ T73] [ 7103.881799][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7103.881799][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7103.881799][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7103.881799][ T73] ipv6_find_idev+0x102/0x170 [ 7103.881799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7103.881799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7103.881799][ T73] netlink_rcv_skb+0x130/0x360 [ 7103.881799][ T73] netlink_unicast+0x449/0x710 [ 7103.881799][ T73] netlink_sendmsg+0x723/0xbe0 [ 7103.881799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7103.881799][ T73] ___sys_sendmsg+0xee/0x170 [ 7103.881799][ T73] __sys_sendmsg+0xcd/0x170 [ 7103.881799][ T73] do_syscall_64+0xc6/0x1e0 [ 7103.881799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7103.881799][ T73] [ 7114.134898][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7114.135338][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.135338][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7114.135338][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7114.135338][ T73] fib6_nh_init+0xa22/0x1580 [ 7114.135338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.135338][ T73] ip6_route_add+0x1c/0x140 [ 7114.135338][ T73] inet6_rtm_newroute+0x104/0x110 [ 7114.135338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.135338][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.135338][ T73] netlink_unicast+0x449/0x710 [ 7114.135338][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.135338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.135338][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.135338][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.135338][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.135338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.135338][ T73] [ 7114.137247][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.137247][ T73] dst_init+0x84/0x4a0 [ 7114.137247][ T73] dst_alloc+0x97/0x150 [ 7114.137247][ T73] ip6_dst_alloc+0x23/0x90 [ 7114.137247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7114.137247][ T73] ip6_pol_route+0x56f/0x840 [ 7114.137247][ T73] fib6_rule_lookup+0x456/0x630 [ 7114.137247][ T73] ip6_route_input+0x59c/0xa50 [ 7114.137247][ T73] ipv6_rcv+0x397/0x810 [ 7114.137247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7114.137247][ T73] process_backlog+0x101/0x620 [ 7114.137247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7114.137247][ T73] net_rx_action+0x495/0xbe0 [ 7114.137247][ T73] __do_softirq+0x1b5/0x7f6 [ 7114.137247][ T73] [ 7114.138892][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.138892][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.138892][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.138892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.138892][ T73] ip6_route_add+0x1c/0x140 [ 7114.138892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7114.138892][ T73] inet6_addr_add+0x4f8/0xa40 [ 7114.138892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.138892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.138892][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.138892][ T73] netlink_unicast+0x449/0x710 [ 7114.138892][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.138892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.138892][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.138892][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.138892][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.138892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.138892][ T73] [ 7114.140860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.140860][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.140860][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.140860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.140860][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7114.140860][ T73] ipv6_add_addr+0x411/0x2000 [ 7114.140860][ T73] inet6_addr_add+0x30e/0xa40 [ 7114.140860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.140860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.140860][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.140860][ T73] netlink_unicast+0x449/0x710 [ 7114.140860][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.140860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.140860][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.140860][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.140860][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.140860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.140860][ T73] [ 7114.142818][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.142818][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.142818][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.142818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.142818][ T73] ip6_route_add+0x1c/0x140 [ 7114.142818][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.142818][ T73] addrconf_add_dev+0xe2/0x170 [ 7114.142818][ T73] inet6_addr_add+0x12f/0xa40 [ 7114.142818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.142818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.142818][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.142818][ T73] netlink_unicast+0x449/0x710 [ 7114.142818][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.142818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.142818][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.142818][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.142818][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.142818][ T73] [ 7114.144782][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.144782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7114.144782][ T73] ipv6_find_idev+0x102/0x170 [ 7114.144782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.144782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.144782][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.144782][ T73] netlink_unicast+0x449/0x710 [ 7114.144782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.144782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.144782][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.144782][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.144782][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.144782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.144782][ T73] [ 7114.146297][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7114.146297][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7114.146297][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7114.146297][ T73] ipv6_find_idev+0x102/0x170 [ 7114.146297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.146297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.146297][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.146297][ T73] netlink_unicast+0x449/0x710 [ 7114.146297][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.146297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.146297][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.146297][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.146297][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.146297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.146297][ T73] [ 7114.147971][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7114.148245][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.148245][ T73] dst_init+0x84/0x4a0 [ 7114.148245][ T73] dst_alloc+0x97/0x150 [ 7114.148245][ T73] ip6_dst_alloc+0x23/0x90 [ 7114.148245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7114.148245][ T73] ip6_pol_route+0x56f/0x840 [ 7114.148245][ T73] fib6_rule_lookup+0x456/0x630 [ 7114.148245][ T73] ip6_route_input+0x59c/0xa50 [ 7114.148245][ T73] ipv6_rcv+0x397/0x810 [ 7114.148245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7114.148245][ T73] process_backlog+0x101/0x620 [ 7114.148245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7114.148245][ T73] net_rx_action+0x495/0xbe0 [ 7114.148245][ T73] __do_softirq+0x1b5/0x7f6 [ 7114.148245][ T73] [ 7114.149880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.149880][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.149880][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.149880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.149880][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7114.149880][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7114.149880][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7114.149880][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7114.149880][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7114.149880][ T73] addrconf_dad_begin+0x310/0x670 [ 7114.149880][ T73] addrconf_dad_work+0x10b/0xab0 [ 7114.149880][ T73] process_one_work+0x84d/0x18a0 [ 7114.149880][ T73] worker_thread+0x587/0xd30 [ 7114.149880][ T73] kthread+0x28a/0x350 [ 7114.149880][ T73] ret_from_fork+0x31/0x70 [ 7114.149880][ T73] ret_from_fork_asm+0x1a/0x30 [ 7114.149880][ T73] [ 7114.151782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.151782][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.151782][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.151782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.151782][ T73] ip6_route_add+0x1c/0x140 [ 7114.151782][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7114.151782][ T73] inet6_addr_add+0x4f8/0xa40 [ 7114.151782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.151782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.151782][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.151782][ T73] netlink_unicast+0x449/0x710 [ 7114.151782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.151782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.151782][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.151782][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.151782][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.151782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.151782][ T73] [ 7114.153786][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.153786][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.153786][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.153786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.153786][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7114.153786][ T73] ipv6_add_addr+0x411/0x2000 [ 7114.153786][ T73] inet6_addr_add+0x30e/0xa40 [ 7114.153786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.153786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.153786][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.153786][ T73] netlink_unicast+0x449/0x710 [ 7114.153786][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.153786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.153786][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.153786][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.153786][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.153786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.153786][ T73] [ 7114.155770][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.155770][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.155770][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.155770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.155770][ T73] ip6_route_add+0x1c/0x140 [ 7114.155770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.155770][ T73] addrconf_add_dev+0xe2/0x170 [ 7114.155770][ T73] inet6_addr_add+0x12f/0xa40 [ 7114.155770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.155770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.155770][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.155770][ T73] netlink_unicast+0x449/0x710 [ 7114.155770][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.155770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.155770][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.155770][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.155770][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.155770][ T73] [ 7114.157705][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.157705][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7114.157705][ T73] ipv6_find_idev+0x102/0x170 [ 7114.157705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.157705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.157705][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.157705][ T73] netlink_unicast+0x449/0x710 [ 7114.157705][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.157705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.157705][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.157705][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.157705][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.157705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.157705][ T73] [ 7114.159239][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7114.159239][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7114.159239][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7114.159239][ T73] ipv6_find_idev+0x102/0x170 [ 7114.159239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.159239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.159239][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.159239][ T73] netlink_unicast+0x449/0x710 [ 7114.159239][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.159239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.159239][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.159239][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.159239][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.159239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.159239][ T73] [ 7114.161069][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7114.161401][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.161401][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7114.161401][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7114.161401][ T73] fib6_nh_init+0xa22/0x1580 [ 7114.161401][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.161401][ T73] ip6_route_add+0x1c/0x140 [ 7114.161401][ T73] inet6_rtm_newroute+0x104/0x110 [ 7114.161401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.161401][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.161401][ T73] netlink_unicast+0x449/0x710 [ 7114.161401][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.161401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.161401][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.161401][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.161401][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.161401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.161401][ T73] [ 7114.163418][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.163418][ T73] dst_init+0x84/0x4a0 [ 7114.163418][ T73] dst_alloc+0x97/0x150 [ 7114.163418][ T73] ip6_dst_alloc+0x23/0x90 [ 7114.163418][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7114.163418][ T73] ip6_pol_route+0x56f/0x840 [ 7114.163418][ T73] fib6_rule_lookup+0x456/0x630 [ 7114.163418][ T73] ip6_route_input+0x59c/0xa50 [ 7114.163418][ T73] ipv6_rcv+0x397/0x810 [ 7114.163418][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7114.163418][ T73] process_backlog+0x101/0x620 [ 7114.163418][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7114.163418][ T73] net_rx_action+0x495/0xbe0 [ 7114.163418][ T73] __do_softirq+0x1b5/0x7f6 [ 7114.163418][ T73] [ 7114.165205][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.165205][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.165205][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.165205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.165205][ T73] ip6_route_add+0x1c/0x140 [ 7114.165205][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7114.165205][ T73] inet6_addr_add+0x4f8/0xa40 [ 7114.165205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.165205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.165205][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.165205][ T73] netlink_unicast+0x449/0x710 [ 7114.165205][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.165205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.165205][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.165205][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.165205][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.165205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.165205][ T73] [ 7114.167422][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.167422][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.167422][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.167422][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.167422][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7114.167422][ T73] ipv6_add_addr+0x411/0x2000 [ 7114.167422][ T73] inet6_addr_add+0x30e/0xa40 [ 7114.167422][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.167422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.167422][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.167422][ T73] netlink_unicast+0x449/0x710 [ 7114.167422][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.167422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.167422][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.167422][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.167422][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.167422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.167422][ T73] [ 7114.169585][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.169585][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.169585][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.169585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.169585][ T73] ip6_route_add+0x1c/0x140 [ 7114.169585][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.169585][ T73] addrconf_add_dev+0xe2/0x170 [ 7114.169585][ T73] inet6_addr_add+0x12f/0xa40 [ 7114.169585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.169585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.169585][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.169585][ T73] netlink_unicast+0x449/0x710 [ 7114.169585][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.169585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.169585][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.169585][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.169585][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.169585][ T73] [ 7114.171844][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.171844][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7114.171844][ T73] ipv6_find_idev+0x102/0x170 [ 7114.171844][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.171844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.171844][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.171844][ T73] netlink_unicast+0x449/0x710 [ 7114.171844][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.171844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.171844][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.171844][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.171844][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.171844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.171844][ T73] [ 7114.173546][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7114.173546][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7114.173546][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7114.173546][ T73] ipv6_find_idev+0x102/0x170 [ 7114.173546][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.173546][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.173546][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.173546][ T73] netlink_unicast+0x449/0x710 [ 7114.173546][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.173546][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.173546][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.173546][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.173546][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.173546][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.173546][ T73] [ 7114.175391][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7114.175668][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7114.175668][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.175668][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.175668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.175668][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7114.175668][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7114.175668][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7114.175668][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7114.175668][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7114.175668][ T73] addrconf_dad_begin+0x310/0x670 [ 7114.175668][ T73] addrconf_dad_work+0x10b/0xab0 [ 7114.175668][ T73] process_one_work+0x84d/0x18a0 [ 7114.175668][ T73] worker_thread+0x587/0xd30 [ 7114.175668][ T73] kthread+0x28a/0x350 [ 7114.175668][ T73] ret_from_fork+0x31/0x70 [ 7114.175668][ T73] ret_from_fork_asm+0x1a/0x30 [ 7114.175668][ T73] [ 7114.177803][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7114.177803][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.177803][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.177803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.177803][ T73] ip6_route_add+0x1c/0x140 [ 7114.177803][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7114.177803][ T73] inet6_addr_add+0x4f8/0xa40 [ 7114.177803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.177803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.177803][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.177803][ T73] netlink_unicast+0x449/0x710 [ 7114.177803][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.177803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.177803][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.177803][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.177803][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.177803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.177803][ T73] [ 7114.180099][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7114.180099][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.180099][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.180099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.180099][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7114.180099][ T73] ipv6_add_addr+0x411/0x2000 [ 7114.180099][ T73] inet6_addr_add+0x30e/0xa40 [ 7114.180099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.180099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.180099][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.180099][ T73] netlink_unicast+0x449/0x710 [ 7114.180099][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.180099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.180099][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.180099][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.180099][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.180099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.180099][ T73] [ 7114.182318][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7114.182318][ T73] netdev_get_by_index+0x5e/0x80 [ 7114.182318][ T73] fib6_nh_init+0x3d8/0x1580 [ 7114.182318][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7114.182318][ T73] ip6_route_add+0x1c/0x140 [ 7114.182318][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.182318][ T73] addrconf_add_dev+0xe2/0x170 [ 7114.182318][ T73] inet6_addr_add+0x12f/0xa40 [ 7114.182318][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.182318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.182318][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.182318][ T73] netlink_unicast+0x449/0x710 [ 7114.182318][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.182318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.182318][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.182318][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.182318][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.182318][ T73] [ 7114.185025][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7114.185025][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7114.185025][ T73] ipv6_find_idev+0x102/0x170 [ 7114.185025][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.185025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.185025][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.185025][ T73] netlink_unicast+0x449/0x710 [ 7114.185025][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.185025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.185025][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.185025][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.185025][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.185025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.185025][ T73] [ 7114.187770][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7114.187770][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7114.187770][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7114.187770][ T73] ipv6_find_idev+0x102/0x170 [ 7114.187770][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.187770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.187770][ T73] netlink_rcv_skb+0x130/0x360 [ 7114.187770][ T73] netlink_unicast+0x449/0x710 [ 7114.187770][ T73] netlink_sendmsg+0x723/0xbe0 [ 7114.187770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7114.187770][ T73] ___sys_sendmsg+0xee/0x170 [ 7114.187770][ T73] __sys_sendmsg+0xcd/0x170 [ 7114.187770][ T73] do_syscall_64+0xc6/0x1e0 [ 7114.187770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.187770][ T73] [ 7124.446901][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7124.447357][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.447357][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7124.447357][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7124.447357][ T73] fib6_nh_init+0xa22/0x1580 [ 7124.447357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.447357][ T73] ip6_route_add+0x1c/0x140 [ 7124.447357][ T73] inet6_rtm_newroute+0x104/0x110 [ 7124.447357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.447357][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.447357][ T73] netlink_unicast+0x449/0x710 [ 7124.447357][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.447357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.447357][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.447357][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.447357][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.447357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.447357][ T73] [ 7124.449288][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.449288][ T73] dst_init+0x84/0x4a0 [ 7124.449288][ T73] dst_alloc+0x97/0x150 [ 7124.449288][ T73] ip6_dst_alloc+0x23/0x90 [ 7124.449288][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7124.449288][ T73] ip6_pol_route+0x56f/0x840 [ 7124.449288][ T73] fib6_rule_lookup+0x456/0x630 [ 7124.449288][ T73] ip6_route_input+0x59c/0xa50 [ 7124.449288][ T73] ipv6_rcv+0x397/0x810 [ 7124.449288][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7124.449288][ T73] process_backlog+0x101/0x620 [ 7124.449288][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7124.449288][ T73] net_rx_action+0x495/0xbe0 [ 7124.449288][ T73] __do_softirq+0x1b5/0x7f6 [ 7124.449288][ T73] [ 7124.450980][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.450980][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.450980][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.450980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.450980][ T73] ip6_route_add+0x1c/0x140 [ 7124.450980][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7124.450980][ T73] inet6_addr_add+0x4f8/0xa40 [ 7124.450980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.450980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.450980][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.450980][ T73] netlink_unicast+0x449/0x710 [ 7124.450980][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.450980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.450980][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.450980][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.450980][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.450980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.450980][ T73] [ 7124.452997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.452997][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.452997][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.452997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.452997][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7124.452997][ T73] ipv6_add_addr+0x411/0x2000 [ 7124.452997][ T73] inet6_addr_add+0x30e/0xa40 [ 7124.452997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.452997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.452997][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.452997][ T73] netlink_unicast+0x449/0x710 [ 7124.452997][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.452997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.452997][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.452997][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.452997][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.452997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.452997][ T73] [ 7124.455035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.455035][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.455035][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.455035][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.455035][ T73] ip6_route_add+0x1c/0x140 [ 7124.455035][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7124.455035][ T73] addrconf_add_dev+0xe2/0x170 [ 7124.455035][ T73] inet6_addr_add+0x12f/0xa40 [ 7124.455035][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.455035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.455035][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.455035][ T73] netlink_unicast+0x449/0x710 [ 7124.455035][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.455035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.455035][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.455035][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.455035][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.455035][ T73] [ 7124.457022][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.457022][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7124.457022][ T73] ipv6_find_idev+0x102/0x170 [ 7124.457022][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.457022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.457022][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.457022][ T73] netlink_unicast+0x449/0x710 [ 7124.457022][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.457022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.457022][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.457022][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.457022][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.457022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.457022][ T73] [ 7124.458574][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7124.458574][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7124.458574][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7124.458574][ T73] ipv6_find_idev+0x102/0x170 [ 7124.458574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.458574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.458574][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.458574][ T73] netlink_unicast+0x449/0x710 [ 7124.458574][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.458574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.458574][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.458574][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.458574][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.458574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.458574][ T73] [ 7124.460289][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7124.460562][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.460562][ T73] dst_init+0x84/0x4a0 [ 7124.460562][ T73] dst_alloc+0x97/0x150 [ 7124.460562][ T73] ip6_dst_alloc+0x23/0x90 [ 7124.460562][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7124.460562][ T73] ip6_pol_route+0x56f/0x840 [ 7124.460562][ T73] fib6_rule_lookup+0x456/0x630 [ 7124.460562][ T73] ip6_route_input+0x59c/0xa50 [ 7124.460562][ T73] ipv6_rcv+0x397/0x810 [ 7124.460562][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7124.460562][ T73] process_backlog+0x101/0x620 [ 7124.460562][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7124.460562][ T73] net_rx_action+0x495/0xbe0 [ 7124.460562][ T73] __do_softirq+0x1b5/0x7f6 [ 7124.460562][ T73] [ 7124.462208][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.462208][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.462208][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.462208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.462208][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7124.462208][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7124.462208][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7124.462208][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7124.462208][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7124.462208][ T73] addrconf_dad_begin+0x310/0x670 [ 7124.462208][ T73] addrconf_dad_work+0x10b/0xab0 [ 7124.462208][ T73] process_one_work+0x84d/0x18a0 [ 7124.462208][ T73] worker_thread+0x587/0xd30 [ 7124.462208][ T73] kthread+0x28a/0x350 [ 7124.462208][ T73] ret_from_fork+0x31/0x70 [ 7124.462208][ T73] ret_from_fork_asm+0x1a/0x30 [ 7124.462208][ T73] [ 7124.464126][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.464126][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.464126][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.464126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.464126][ T73] ip6_route_add+0x1c/0x140 [ 7124.464126][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7124.464126][ T73] inet6_addr_add+0x4f8/0xa40 [ 7124.464126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.464126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.464126][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.464126][ T73] netlink_unicast+0x449/0x710 [ 7124.464126][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.464126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.464126][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.464126][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.464126][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.464126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.464126][ T73] [ 7124.466131][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.466131][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.466131][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.466131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.466131][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7124.466131][ T73] ipv6_add_addr+0x411/0x2000 [ 7124.466131][ T73] inet6_addr_add+0x30e/0xa40 [ 7124.466131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.466131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.466131][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.466131][ T73] netlink_unicast+0x449/0x710 [ 7124.466131][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.466131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.466131][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.466131][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.466131][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.466131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.466131][ T73] [ 7124.468142][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.468142][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.468142][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.468142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.468142][ T73] ip6_route_add+0x1c/0x140 [ 7124.468142][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7124.468142][ T73] addrconf_add_dev+0xe2/0x170 [ 7124.468142][ T73] inet6_addr_add+0x12f/0xa40 [ 7124.468142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.468142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.468142][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.468142][ T73] netlink_unicast+0x449/0x710 [ 7124.468142][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.468142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.468142][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.468142][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.468142][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.468142][ T73] [ 7124.470117][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.470117][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7124.470117][ T73] ipv6_find_idev+0x102/0x170 [ 7124.470117][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.470117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.470117][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.470117][ T73] netlink_unicast+0x449/0x710 [ 7124.470117][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.470117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.470117][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.470117][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.470117][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.470117][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.470117][ T73] [ 7124.471664][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7124.471664][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7124.471664][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7124.471664][ T73] ipv6_find_idev+0x102/0x170 [ 7124.471664][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.471664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.471664][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.471664][ T73] netlink_unicast+0x449/0x710 [ 7124.471664][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.471664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.471664][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.471664][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.471664][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.471664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.471664][ T73] [ 7124.473421][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7124.473756][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.473756][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7124.473756][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7124.473756][ T73] fib6_nh_init+0xa22/0x1580 [ 7124.473756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.473756][ T73] ip6_route_add+0x1c/0x140 [ 7124.473756][ T73] inet6_rtm_newroute+0x104/0x110 [ 7124.473756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.473756][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.473756][ T73] netlink_unicast+0x449/0x710 [ 7124.473756][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.473756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.473756][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.473756][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.473756][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.473756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.473756][ T73] [ 7124.475761][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.475761][ T73] dst_init+0x84/0x4a0 [ 7124.475761][ T73] dst_alloc+0x97/0x150 [ 7124.475761][ T73] ip6_dst_alloc+0x23/0x90 [ 7124.475761][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7124.475761][ T73] ip6_pol_route+0x56f/0x840 [ 7124.475761][ T73] fib6_rule_lookup+0x456/0x630 [ 7124.475761][ T73] ip6_route_input+0x59c/0xa50 [ 7124.475761][ T73] ipv6_rcv+0x397/0x810 [ 7124.475761][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7124.475761][ T73] process_backlog+0x101/0x620 [ 7124.475761][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7124.475761][ T73] net_rx_action+0x495/0xbe0 [ 7124.475761][ T73] __do_softirq+0x1b5/0x7f6 [ 7124.475761][ T73] [ 7124.477584][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.477584][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.477584][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.477584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.477584][ T73] ip6_route_add+0x1c/0x140 [ 7124.477584][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7124.477584][ T73] inet6_addr_add+0x4f8/0xa40 [ 7124.477584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.477584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.477584][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.477584][ T73] netlink_unicast+0x449/0x710 [ 7124.477584][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.477584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.477584][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.477584][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.477584][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.477584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.477584][ T73] [ 7124.479894][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.479894][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.479894][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.479894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.479894][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7124.479894][ T73] ipv6_add_addr+0x411/0x2000 [ 7124.479894][ T73] inet6_addr_add+0x30e/0xa40 [ 7124.479894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.479894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.479894][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.479894][ T73] netlink_unicast+0x449/0x710 [ 7124.479894][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.479894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.479894][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.479894][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.479894][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.479894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.479894][ T73] [ 7124.482144][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.482144][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.482144][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.482144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.482144][ T73] ip6_route_add+0x1c/0x140 [ 7124.482144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7124.482144][ T73] addrconf_add_dev+0xe2/0x170 [ 7124.482144][ T73] inet6_addr_add+0x12f/0xa40 [ 7124.482144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.482144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.482144][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.482144][ T73] netlink_unicast+0x449/0x710 [ 7124.482144][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.482144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.482144][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.482144][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.482144][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.482144][ T73] [ 7124.484355][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.484355][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7124.484355][ T73] ipv6_find_idev+0x102/0x170 [ 7124.484355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.484355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.484355][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.484355][ T73] netlink_unicast+0x449/0x710 [ 7124.484355][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.484355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.484355][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.484355][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.484355][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.484355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.484355][ T73] [ 7124.486103][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7124.486103][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7124.486103][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7124.486103][ T73] ipv6_find_idev+0x102/0x170 [ 7124.486103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.486103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.486103][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.486103][ T73] netlink_unicast+0x449/0x710 [ 7124.486103][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.486103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.486103][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.486103][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.486103][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.486103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.486103][ T73] [ 7124.488061][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7124.488338][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7124.488338][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.488338][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.488338][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.488338][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7124.488338][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7124.488338][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7124.488338][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7124.488338][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7124.488338][ T73] addrconf_dad_begin+0x310/0x670 [ 7124.488338][ T73] addrconf_dad_work+0x10b/0xab0 [ 7124.488338][ T73] process_one_work+0x84d/0x18a0 [ 7124.488338][ T73] worker_thread+0x587/0xd30 [ 7124.488338][ T73] kthread+0x28a/0x350 [ 7124.488338][ T73] ret_from_fork+0x31/0x70 [ 7124.488338][ T73] ret_from_fork_asm+0x1a/0x30 [ 7124.488338][ T73] [ 7124.490505][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7124.490505][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.490505][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.490505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.490505][ T73] ip6_route_add+0x1c/0x140 [ 7124.490505][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7124.490505][ T73] inet6_addr_add+0x4f8/0xa40 [ 7124.490505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.490505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.490505][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.490505][ T73] netlink_unicast+0x449/0x710 [ 7124.490505][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.490505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.490505][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.490505][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.490505][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.490505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.490505][ T73] [ 7124.492778][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7124.492778][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.492778][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.492778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.492778][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7124.492778][ T73] ipv6_add_addr+0x411/0x2000 [ 7124.492778][ T73] inet6_addr_add+0x30e/0xa40 [ 7124.492778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.492778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.492778][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.492778][ T73] netlink_unicast+0x449/0x710 [ 7124.492778][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.492778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.492778][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.492778][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.492778][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.492778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.492778][ T73] [ 7124.495034][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7124.495034][ T73] netdev_get_by_index+0x5e/0x80 [ 7124.495034][ T73] fib6_nh_init+0x3d8/0x1580 [ 7124.495034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7124.495034][ T73] ip6_route_add+0x1c/0x140 [ 7124.495034][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7124.495034][ T73] addrconf_add_dev+0xe2/0x170 [ 7124.495034][ T73] inet6_addr_add+0x12f/0xa40 [ 7124.495034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7124.495034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.495034][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.495034][ T73] netlink_unicast+0x449/0x710 [ 7124.495034][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.495034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.495034][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.495034][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.495034][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.495034][ T73] [ 7124.497306][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7124.497306][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7124.497306][ T73] ipv6_find_idev+0x102/0x170 [ 7124.497306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.497306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.497306][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.497306][ T73] netlink_unicast+0x449/0x710 [ 7124.497306][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.497306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.497306][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.497306][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.497306][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.497306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.497306][ T73] [ 7124.498980][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7124.498980][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7124.498980][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7124.498980][ T73] ipv6_find_idev+0x102/0x170 [ 7124.498980][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7124.498980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7124.498980][ T73] netlink_rcv_skb+0x130/0x360 [ 7124.498980][ T73] netlink_unicast+0x449/0x710 [ 7124.498980][ T73] netlink_sendmsg+0x723/0xbe0 [ 7124.498980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7124.498980][ T73] ___sys_sendmsg+0xee/0x170 [ 7124.498980][ T73] __sys_sendmsg+0xcd/0x170 [ 7124.498980][ T73] do_syscall_64+0xc6/0x1e0 [ 7124.498980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7124.498980][ T73] [ 7134.750897][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7134.751385][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.751385][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7134.751385][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7134.751385][ T73] fib6_nh_init+0xa22/0x1580 [ 7134.751385][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.751385][ T73] ip6_route_add+0x1c/0x140 [ 7134.751385][ T73] inet6_rtm_newroute+0x104/0x110 [ 7134.751385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.751385][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.751385][ T73] netlink_unicast+0x449/0x710 [ 7134.751385][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.751385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.751385][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.751385][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.751385][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.751385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.751385][ T73] [ 7134.753288][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.753288][ T73] dst_init+0x84/0x4a0 [ 7134.753288][ T73] dst_alloc+0x97/0x150 [ 7134.753288][ T73] ip6_dst_alloc+0x23/0x90 [ 7134.753288][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7134.753288][ T73] ip6_pol_route+0x56f/0x840 [ 7134.753288][ T73] fib6_rule_lookup+0x456/0x630 [ 7134.753288][ T73] ip6_route_input+0x59c/0xa50 [ 7134.753288][ T73] ipv6_rcv+0x397/0x810 [ 7134.753288][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7134.753288][ T73] process_backlog+0x101/0x620 [ 7134.753288][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7134.753288][ T73] net_rx_action+0x495/0xbe0 [ 7134.753288][ T73] __do_softirq+0x1b5/0x7f6 [ 7134.753288][ T73] [ 7134.754936][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.754936][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.754936][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.754936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.754936][ T73] ip6_route_add+0x1c/0x140 [ 7134.754936][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7134.754936][ T73] inet6_addr_add+0x4f8/0xa40 [ 7134.754936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.754936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.754936][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.754936][ T73] netlink_unicast+0x449/0x710 [ 7134.754936][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.754936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.754936][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.754936][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.754936][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.754936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.754936][ T73] [ 7134.756941][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.756941][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.756941][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.756941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.756941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7134.756941][ T73] ipv6_add_addr+0x411/0x2000 [ 7134.756941][ T73] inet6_addr_add+0x30e/0xa40 [ 7134.756941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.756941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.756941][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.756941][ T73] netlink_unicast+0x449/0x710 [ 7134.756941][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.756941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.756941][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.756941][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.756941][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.756941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.756941][ T73] [ 7134.758953][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.758953][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.758953][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.758953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.758953][ T73] ip6_route_add+0x1c/0x140 [ 7134.758953][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7134.758953][ T73] addrconf_add_dev+0xe2/0x170 [ 7134.758953][ T73] inet6_addr_add+0x12f/0xa40 [ 7134.758953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.758953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.758953][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.758953][ T73] netlink_unicast+0x449/0x710 [ 7134.758953][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.758953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.758953][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.758953][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.758953][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.758953][ T73] [ 7134.760925][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.760925][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7134.760925][ T73] ipv6_find_idev+0x102/0x170 [ 7134.760925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.760925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.760925][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.760925][ T73] netlink_unicast+0x449/0x710 [ 7134.760925][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.760925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.760925][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.760925][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.760925][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.760925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.760925][ T73] [ 7134.762483][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7134.762483][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7134.762483][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7134.762483][ T73] ipv6_find_idev+0x102/0x170 [ 7134.762483][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.762483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.762483][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.762483][ T73] netlink_unicast+0x449/0x710 [ 7134.762483][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.762483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.762483][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.762483][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.762483][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.762483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.762483][ T73] [ 7134.764206][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7134.764479][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.764479][ T73] dst_init+0x84/0x4a0 [ 7134.764479][ T73] dst_alloc+0x97/0x150 [ 7134.764479][ T73] ip6_dst_alloc+0x23/0x90 [ 7134.764479][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7134.764479][ T73] ip6_pol_route+0x56f/0x840 [ 7134.764479][ T73] fib6_rule_lookup+0x456/0x630 [ 7134.764479][ T73] ip6_route_input+0x59c/0xa50 [ 7134.764479][ T73] ipv6_rcv+0x397/0x810 [ 7134.764479][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7134.764479][ T73] process_backlog+0x101/0x620 [ 7134.764479][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7134.764479][ T73] net_rx_action+0x495/0xbe0 [ 7134.764479][ T73] __do_softirq+0x1b5/0x7f6 [ 7134.764479][ T73] [ 7134.766129][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.766129][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.766129][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.766129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.766129][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7134.766129][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7134.766129][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7134.766129][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7134.766129][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7134.766129][ T73] addrconf_dad_begin+0x310/0x670 [ 7134.766129][ T73] addrconf_dad_work+0x10b/0xab0 [ 7134.766129][ T73] process_one_work+0x84d/0x18a0 [ 7134.766129][ T73] worker_thread+0x587/0xd30 [ 7134.766129][ T73] kthread+0x28a/0x350 [ 7134.766129][ T73] ret_from_fork+0x31/0x70 [ 7134.766129][ T73] ret_from_fork_asm+0x1a/0x30 [ 7134.766129][ T73] [ 7134.768051][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.768051][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.768051][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.768051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.768051][ T73] ip6_route_add+0x1c/0x140 [ 7134.768051][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7134.768051][ T73] inet6_addr_add+0x4f8/0xa40 [ 7134.768051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.768051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.768051][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.768051][ T73] netlink_unicast+0x449/0x710 [ 7134.768051][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.768051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.768051][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.768051][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.768051][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.768051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.768051][ T73] [ 7134.770066][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.770066][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.770066][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.770066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.770066][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7134.770066][ T73] ipv6_add_addr+0x411/0x2000 [ 7134.770066][ T73] inet6_addr_add+0x30e/0xa40 [ 7134.770066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.770066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.770066][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.770066][ T73] netlink_unicast+0x449/0x710 [ 7134.770066][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.770066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.770066][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.770066][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.770066][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.770066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.770066][ T73] [ 7134.772069][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.772069][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.772069][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.772069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.772069][ T73] ip6_route_add+0x1c/0x140 [ 7134.772069][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7134.772069][ T73] addrconf_add_dev+0xe2/0x170 [ 7134.772069][ T73] inet6_addr_add+0x12f/0xa40 [ 7134.772069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.772069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.772069][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.772069][ T73] netlink_unicast+0x449/0x710 [ 7134.772069][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.772069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.772069][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.772069][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.772069][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.772069][ T73] [ 7134.774036][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.774036][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7134.774036][ T73] ipv6_find_idev+0x102/0x170 [ 7134.774036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.774036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.774036][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.774036][ T73] netlink_unicast+0x449/0x710 [ 7134.774036][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.774036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.774036][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.774036][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.774036][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.774036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.774036][ T73] [ 7134.775579][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7134.775579][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7134.775579][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7134.775579][ T73] ipv6_find_idev+0x102/0x170 [ 7134.775579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.775579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.775579][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.775579][ T73] netlink_unicast+0x449/0x710 [ 7134.775579][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.775579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.775579][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.775579][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.775579][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.775579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.775579][ T73] [ 7134.777306][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7134.777658][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.777658][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7134.777658][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7134.777658][ T73] fib6_nh_init+0xa22/0x1580 [ 7134.777658][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.777658][ T73] ip6_route_add+0x1c/0x140 [ 7134.777658][ T73] inet6_rtm_newroute+0x104/0x110 [ 7134.777658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.777658][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.777658][ T73] netlink_unicast+0x449/0x710 [ 7134.777658][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.777658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.777658][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.777658][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.777658][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.777658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.777658][ T73] [ 7134.779726][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.779726][ T73] dst_init+0x84/0x4a0 [ 7134.779726][ T73] dst_alloc+0x97/0x150 [ 7134.779726][ T73] ip6_dst_alloc+0x23/0x90 [ 7134.779726][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7134.779726][ T73] ip6_pol_route+0x56f/0x840 [ 7134.779726][ T73] fib6_rule_lookup+0x456/0x630 [ 7134.779726][ T73] ip6_route_input+0x59c/0xa50 [ 7134.779726][ T73] ipv6_rcv+0x397/0x810 [ 7134.779726][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7134.779726][ T73] process_backlog+0x101/0x620 [ 7134.779726][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7134.779726][ T73] net_rx_action+0x495/0xbe0 [ 7134.779726][ T73] __do_softirq+0x1b5/0x7f6 [ 7134.779726][ T73] [ 7134.781554][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.781554][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.781554][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.781554][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.781554][ T73] ip6_route_add+0x1c/0x140 [ 7134.781554][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7134.781554][ T73] inet6_addr_add+0x4f8/0xa40 [ 7134.781554][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.781554][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.781554][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.781554][ T73] netlink_unicast+0x449/0x710 [ 7134.781554][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.781554][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.781554][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.781554][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.781554][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.781554][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.781554][ T73] [ 7134.783784][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.783784][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.783784][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.783784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.783784][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7134.783784][ T73] ipv6_add_addr+0x411/0x2000 [ 7134.783784][ T73] inet6_addr_add+0x30e/0xa40 [ 7134.783784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.783784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.783784][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.783784][ T73] netlink_unicast+0x449/0x710 [ 7134.783784][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.783784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.783784][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.783784][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.783784][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.783784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.783784][ T73] [ 7134.786052][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.786052][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.786052][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.786052][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.786052][ T73] ip6_route_add+0x1c/0x140 [ 7134.786052][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7134.786052][ T73] addrconf_add_dev+0xe2/0x170 [ 7134.786052][ T73] inet6_addr_add+0x12f/0xa40 [ 7134.786052][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.786052][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.786052][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.786052][ T73] netlink_unicast+0x449/0x710 [ 7134.786052][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.786052][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.786052][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.786052][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.786052][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.786052][ T73] [ 7134.788360][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.788360][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7134.788360][ T73] ipv6_find_idev+0x102/0x170 [ 7134.788360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.788360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.788360][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.788360][ T73] netlink_unicast+0x449/0x710 [ 7134.788360][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.788360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.788360][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.788360][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.788360][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.788360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.788360][ T73] [ 7134.790083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7134.790083][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7134.790083][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7134.790083][ T73] ipv6_find_idev+0x102/0x170 [ 7134.790083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.790083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.790083][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.790083][ T73] netlink_unicast+0x449/0x710 [ 7134.790083][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.790083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.790083][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.790083][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.790083][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.790083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.790083][ T73] [ 7134.791954][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7134.792226][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7134.792226][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.792226][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.792226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.792226][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7134.792226][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7134.792226][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7134.792226][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7134.792226][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7134.792226][ T73] addrconf_dad_begin+0x310/0x670 [ 7134.792226][ T73] addrconf_dad_work+0x10b/0xab0 [ 7134.792226][ T73] process_one_work+0x84d/0x18a0 [ 7134.792226][ T73] worker_thread+0x587/0xd30 [ 7134.792226][ T73] kthread+0x28a/0x350 [ 7134.792226][ T73] ret_from_fork+0x31/0x70 [ 7134.792226][ T73] ret_from_fork_asm+0x1a/0x30 [ 7134.792226][ T73] [ 7134.794408][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7134.794408][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.794408][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.794408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.794408][ T73] ip6_route_add+0x1c/0x140 [ 7134.794408][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7134.794408][ T73] inet6_addr_add+0x4f8/0xa40 [ 7134.794408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.794408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.794408][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.794408][ T73] netlink_unicast+0x449/0x710 [ 7134.794408][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.794408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.794408][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.794408][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.794408][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.794408][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.794408][ T73] [ 7134.796627][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7134.796627][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.796627][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.796627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.796627][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7134.796627][ T73] ipv6_add_addr+0x411/0x2000 [ 7134.796627][ T73] inet6_addr_add+0x30e/0xa40 [ 7134.796627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.796627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.796627][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.796627][ T73] netlink_unicast+0x449/0x710 [ 7134.796627][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.796627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.796627][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.796627][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.796627][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.796627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.796627][ T73] [ 7134.798939][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7134.798939][ T73] netdev_get_by_index+0x5e/0x80 [ 7134.798939][ T73] fib6_nh_init+0x3d8/0x1580 [ 7134.798939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7134.798939][ T73] ip6_route_add+0x1c/0x140 [ 7134.798939][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7134.798939][ T73] addrconf_add_dev+0xe2/0x170 [ 7134.798939][ T73] inet6_addr_add+0x12f/0xa40 [ 7134.798939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7134.798939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.798939][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.798939][ T73] netlink_unicast+0x449/0x710 [ 7134.798939][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.798939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.798939][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.798939][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.798939][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.798939][ T73] [ 7134.801132][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7134.801132][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7134.801132][ T73] ipv6_find_idev+0x102/0x170 [ 7134.801132][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.801132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.801132][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.801132][ T73] netlink_unicast+0x449/0x710 [ 7134.801132][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.801132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.801132][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.801132][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.801132][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.801132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.801132][ T73] [ 7134.802792][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7134.802792][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7134.802792][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7134.802792][ T73] ipv6_find_idev+0x102/0x170 [ 7134.802792][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7134.802792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7134.802792][ T73] netlink_rcv_skb+0x130/0x360 [ 7134.802792][ T73] netlink_unicast+0x449/0x710 [ 7134.802792][ T73] netlink_sendmsg+0x723/0xbe0 [ 7134.802792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7134.802792][ T73] ___sys_sendmsg+0xee/0x170 [ 7134.802792][ T73] __sys_sendmsg+0xcd/0x170 [ 7134.802792][ T73] do_syscall_64+0xc6/0x1e0 [ 7134.802792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7134.802792][ T73] [ 7145.054828][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7145.055286][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.055286][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7145.055286][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7145.055286][ T73] fib6_nh_init+0xa22/0x1580 [ 7145.055286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.055286][ T73] ip6_route_add+0x1c/0x140 [ 7145.055286][ T73] inet6_rtm_newroute+0x104/0x110 [ 7145.055286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.055286][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.055286][ T73] netlink_unicast+0x449/0x710 [ 7145.055286][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.055286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.055286][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.055286][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.055286][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.055286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.055286][ T73] [ 7145.057193][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.057193][ T73] dst_init+0x84/0x4a0 [ 7145.057193][ T73] dst_alloc+0x97/0x150 [ 7145.057193][ T73] ip6_dst_alloc+0x23/0x90 [ 7145.057193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7145.057193][ T73] ip6_pol_route+0x56f/0x840 [ 7145.057193][ T73] fib6_rule_lookup+0x456/0x630 [ 7145.057193][ T73] ip6_route_input+0x59c/0xa50 [ 7145.057193][ T73] ipv6_rcv+0x397/0x810 [ 7145.057193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7145.057193][ T73] process_backlog+0x101/0x620 [ 7145.057193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7145.057193][ T73] net_rx_action+0x495/0xbe0 [ 7145.057193][ T73] __do_softirq+0x1b5/0x7f6 [ 7145.057193][ T73] [ 7145.058845][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.058845][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.058845][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.058845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.058845][ T73] ip6_route_add+0x1c/0x140 [ 7145.058845][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7145.058845][ T73] inet6_addr_add+0x4f8/0xa40 [ 7145.058845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.058845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.058845][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.058845][ T73] netlink_unicast+0x449/0x710 [ 7145.058845][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.058845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.058845][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.058845][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.058845][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.058845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.058845][ T73] [ 7145.060836][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.060836][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.060836][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.060836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.060836][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7145.060836][ T73] ipv6_add_addr+0x411/0x2000 [ 7145.060836][ T73] inet6_addr_add+0x30e/0xa40 [ 7145.060836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.060836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.060836][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.060836][ T73] netlink_unicast+0x449/0x710 [ 7145.060836][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.060836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.060836][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.060836][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.060836][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.060836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.060836][ T73] [ 7145.062823][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.062823][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.062823][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.062823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.062823][ T73] ip6_route_add+0x1c/0x140 [ 7145.062823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.062823][ T73] addrconf_add_dev+0xe2/0x170 [ 7145.062823][ T73] inet6_addr_add+0x12f/0xa40 [ 7145.062823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.062823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.062823][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.062823][ T73] netlink_unicast+0x449/0x710 [ 7145.062823][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.062823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.062823][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.062823][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.062823][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.062823][ T73] [ 7145.064784][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.064784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7145.064784][ T73] ipv6_find_idev+0x102/0x170 [ 7145.064784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.064784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.064784][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.064784][ T73] netlink_unicast+0x449/0x710 [ 7145.064784][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.064784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.064784][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.064784][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.064784][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.064784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.064784][ T73] [ 7145.066313][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7145.066313][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7145.066313][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7145.066313][ T73] ipv6_find_idev+0x102/0x170 [ 7145.066313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.066313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.066313][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.066313][ T73] netlink_unicast+0x449/0x710 [ 7145.066313][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.066313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.066313][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.066313][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.066313][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.066313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.066313][ T73] [ 7145.068000][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7145.068276][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.068276][ T73] dst_init+0x84/0x4a0 [ 7145.068276][ T73] dst_alloc+0x97/0x150 [ 7145.068276][ T73] ip6_dst_alloc+0x23/0x90 [ 7145.068276][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7145.068276][ T73] ip6_pol_route+0x56f/0x840 [ 7145.068276][ T73] fib6_rule_lookup+0x456/0x630 [ 7145.068276][ T73] ip6_route_input+0x59c/0xa50 [ 7145.068276][ T73] ipv6_rcv+0x397/0x810 [ 7145.068276][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7145.068276][ T73] process_backlog+0x101/0x620 [ 7145.068276][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7145.068276][ T73] net_rx_action+0x495/0xbe0 [ 7145.068276][ T73] __do_softirq+0x1b5/0x7f6 [ 7145.068276][ T73] [ 7145.069911][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.069911][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.069911][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.069911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.069911][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7145.069911][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7145.069911][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7145.069911][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7145.069911][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7145.069911][ T73] addrconf_dad_begin+0x310/0x670 [ 7145.069911][ T73] addrconf_dad_work+0x10b/0xab0 [ 7145.069911][ T73] process_one_work+0x84d/0x18a0 [ 7145.069911][ T73] worker_thread+0x587/0xd30 [ 7145.069911][ T73] kthread+0x28a/0x350 [ 7145.069911][ T73] ret_from_fork+0x31/0x70 [ 7145.069911][ T73] ret_from_fork_asm+0x1a/0x30 [ 7145.069911][ T73] [ 7145.071805][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.071805][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.071805][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.071805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.071805][ T73] ip6_route_add+0x1c/0x140 [ 7145.071805][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7145.071805][ T73] inet6_addr_add+0x4f8/0xa40 [ 7145.071805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.071805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.071805][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.071805][ T73] netlink_unicast+0x449/0x710 [ 7145.071805][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.071805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.071805][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.071805][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.071805][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.071805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.071805][ T73] [ 7145.073795][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.073795][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.073795][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.073795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.073795][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7145.073795][ T73] ipv6_add_addr+0x411/0x2000 [ 7145.073795][ T73] inet6_addr_add+0x30e/0xa40 [ 7145.073795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.073795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.073795][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.073795][ T73] netlink_unicast+0x449/0x710 [ 7145.073795][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.073795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.073795][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.073795][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.073795][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.073795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.073795][ T73] [ 7145.075782][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.075782][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.075782][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.075782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.075782][ T73] ip6_route_add+0x1c/0x140 [ 7145.075782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.075782][ T73] addrconf_add_dev+0xe2/0x170 [ 7145.075782][ T73] inet6_addr_add+0x12f/0xa40 [ 7145.075782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.075782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.075782][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.075782][ T73] netlink_unicast+0x449/0x710 [ 7145.075782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.075782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.075782][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.075782][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.075782][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.075782][ T73] [ 7145.077730][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.077730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7145.077730][ T73] ipv6_find_idev+0x102/0x170 [ 7145.077730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.077730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.077730][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.077730][ T73] netlink_unicast+0x449/0x710 [ 7145.077730][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.077730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.077730][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.077730][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.077730][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.077730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.077730][ T73] [ 7145.079269][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7145.079269][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7145.079269][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7145.079269][ T73] ipv6_find_idev+0x102/0x170 [ 7145.079269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.079269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.079269][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.079269][ T73] netlink_unicast+0x449/0x710 [ 7145.079269][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.079269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.079269][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.079269][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.079269][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.079269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.079269][ T73] [ 7145.081077][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7145.081349][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.081349][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7145.081349][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7145.081349][ T73] fib6_nh_init+0xa22/0x1580 [ 7145.081349][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.081349][ T73] ip6_route_add+0x1c/0x140 [ 7145.081349][ T73] inet6_rtm_newroute+0x104/0x110 [ 7145.081349][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.081349][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.081349][ T73] netlink_unicast+0x449/0x710 [ 7145.081349][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.081349][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.081349][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.081349][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.081349][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.081349][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.081349][ T73] [ 7145.083516][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.083516][ T73] dst_init+0x84/0x4a0 [ 7145.083516][ T73] dst_alloc+0x97/0x150 [ 7145.083516][ T73] ip6_dst_alloc+0x23/0x90 [ 7145.083516][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7145.083516][ T73] ip6_pol_route+0x56f/0x840 [ 7145.083516][ T73] fib6_rule_lookup+0x456/0x630 [ 7145.083516][ T73] ip6_route_input+0x59c/0xa50 [ 7145.083516][ T73] ipv6_rcv+0x397/0x810 [ 7145.083516][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7145.083516][ T73] process_backlog+0x101/0x620 [ 7145.083516][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7145.083516][ T73] net_rx_action+0x495/0xbe0 [ 7145.083516][ T73] __do_softirq+0x1b5/0x7f6 [ 7145.083516][ T73] [ 7145.085331][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.085331][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.085331][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.085331][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.085331][ T73] ip6_route_add+0x1c/0x140 [ 7145.085331][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7145.085331][ T73] inet6_addr_add+0x4f8/0xa40 [ 7145.085331][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.085331][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.085331][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.085331][ T73] netlink_unicast+0x449/0x710 [ 7145.085331][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.085331][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.085331][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.085331][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.085331][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.085331][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.085331][ T73] [ 7145.087579][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.087579][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.087579][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.087579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.087579][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7145.087579][ T73] ipv6_add_addr+0x411/0x2000 [ 7145.087579][ T73] inet6_addr_add+0x30e/0xa40 [ 7145.087579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.087579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.087579][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.087579][ T73] netlink_unicast+0x449/0x710 [ 7145.087579][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.087579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.087579][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.087579][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.087579][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.087579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.087579][ T73] [ 7145.089813][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.089813][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.089813][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.089813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.089813][ T73] ip6_route_add+0x1c/0x140 [ 7145.089813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.089813][ T73] addrconf_add_dev+0xe2/0x170 [ 7145.089813][ T73] inet6_addr_add+0x12f/0xa40 [ 7145.089813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.089813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.089813][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.089813][ T73] netlink_unicast+0x449/0x710 [ 7145.089813][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.089813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.089813][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.089813][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.089813][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.089813][ T73] [ 7145.092013][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.092013][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7145.092013][ T73] ipv6_find_idev+0x102/0x170 [ 7145.092013][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.092013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.092013][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.092013][ T73] netlink_unicast+0x449/0x710 [ 7145.092013][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.092013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.092013][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.092013][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.092013][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.092013][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.092013][ T73] [ 7145.093725][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7145.093725][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7145.093725][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7145.093725][ T73] ipv6_find_idev+0x102/0x170 [ 7145.093725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.093725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.093725][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.093725][ T73] netlink_unicast+0x449/0x710 [ 7145.093725][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.093725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.093725][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.093725][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.093725][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.093725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.093725][ T73] [ 7145.095653][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7145.096362][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7145.096362][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.096362][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.096362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.096362][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7145.096362][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7145.096362][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7145.096362][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7145.096362][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7145.096362][ T73] addrconf_dad_begin+0x310/0x670 [ 7145.096362][ T73] addrconf_dad_work+0x10b/0xab0 [ 7145.096362][ T73] process_one_work+0x84d/0x18a0 [ 7145.096362][ T73] worker_thread+0x587/0xd30 [ 7145.096362][ T73] kthread+0x28a/0x350 [ 7145.096362][ T73] ret_from_fork+0x31/0x70 [ 7145.096362][ T73] ret_from_fork_asm+0x1a/0x30 [ 7145.096362][ T73] [ 7145.098279][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7145.098279][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.098279][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.098279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.098279][ T73] ip6_route_add+0x1c/0x140 [ 7145.098279][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7145.098279][ T73] inet6_addr_add+0x4f8/0xa40 [ 7145.098279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.098279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.098279][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.098279][ T73] netlink_unicast+0x449/0x710 [ 7145.098279][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.098279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.098279][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.098279][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.098279][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.098279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.098279][ T73] [ 7145.100379][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7145.100379][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.100379][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.100379][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.100379][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7145.100379][ T73] ipv6_add_addr+0x411/0x2000 [ 7145.100379][ T73] inet6_addr_add+0x30e/0xa40 [ 7145.100379][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.100379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.100379][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.100379][ T73] netlink_unicast+0x449/0x710 [ 7145.100379][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.100379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.100379][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.100379][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.100379][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.100379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.100379][ T73] [ 7145.102533][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7145.102533][ T73] netdev_get_by_index+0x5e/0x80 [ 7145.102533][ T73] fib6_nh_init+0x3d8/0x1580 [ 7145.102533][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7145.102533][ T73] ip6_route_add+0x1c/0x140 [ 7145.102533][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.102533][ T73] addrconf_add_dev+0xe2/0x170 [ 7145.102533][ T73] inet6_addr_add+0x12f/0xa40 [ 7145.102533][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.102533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.102533][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.102533][ T73] netlink_unicast+0x449/0x710 [ 7145.102533][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.102533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.102533][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.102533][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.102533][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.102533][ T73] [ 7145.104777][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7145.104777][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7145.104777][ T73] ipv6_find_idev+0x102/0x170 [ 7145.104777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.104777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.104777][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.104777][ T73] netlink_unicast+0x449/0x710 [ 7145.104777][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.104777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.104777][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.104777][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.104777][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.104777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.104777][ T73] [ 7145.106494][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7145.106494][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7145.106494][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7145.106494][ T73] ipv6_find_idev+0x102/0x170 [ 7145.106494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.106494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.106494][ T73] netlink_rcv_skb+0x130/0x360 [ 7145.106494][ T73] netlink_unicast+0x449/0x710 [ 7145.106494][ T73] netlink_sendmsg+0x723/0xbe0 [ 7145.106494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7145.106494][ T73] ___sys_sendmsg+0xee/0x170 [ 7145.106494][ T73] __sys_sendmsg+0xcd/0x170 [ 7145.106494][ T73] do_syscall_64+0xc6/0x1e0 [ 7145.106494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.106494][ T73] [ 7155.110933][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7155.111305][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.111305][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7155.111305][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7155.111305][ T73] fib6_nh_init+0xa22/0x1580 [ 7155.111305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.111305][ T73] ip6_route_add+0x1c/0x140 [ 7155.111305][ T73] inet6_rtm_newroute+0x104/0x110 [ 7155.111305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.111305][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.111305][ T73] netlink_unicast+0x449/0x710 [ 7155.111305][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.111305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.111305][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.111305][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.111305][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.111305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.111305][ T73] [ 7155.113194][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.113194][ T73] dst_init+0x84/0x4a0 [ 7155.113194][ T73] dst_alloc+0x97/0x150 [ 7155.113194][ T73] ip6_dst_alloc+0x23/0x90 [ 7155.113194][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7155.113194][ T73] ip6_pol_route+0x56f/0x840 [ 7155.113194][ T73] fib6_rule_lookup+0x456/0x630 [ 7155.113194][ T73] ip6_route_input+0x59c/0xa50 [ 7155.113194][ T73] ipv6_rcv+0x397/0x810 [ 7155.113194][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7155.113194][ T73] process_backlog+0x101/0x620 [ 7155.113194][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7155.113194][ T73] net_rx_action+0x495/0xbe0 [ 7155.113194][ T73] __do_softirq+0x1b5/0x7f6 [ 7155.113194][ T73] [ 7155.114826][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.114826][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.114826][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.114826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.114826][ T73] ip6_route_add+0x1c/0x140 [ 7155.114826][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7155.114826][ T73] inet6_addr_add+0x4f8/0xa40 [ 7155.114826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.114826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.114826][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.114826][ T73] netlink_unicast+0x449/0x710 [ 7155.114826][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.114826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.114826][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.114826][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.114826][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.114826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.114826][ T73] [ 7155.116844][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.116844][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.116844][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.116844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.116844][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7155.116844][ T73] ipv6_add_addr+0x411/0x2000 [ 7155.116844][ T73] inet6_addr_add+0x30e/0xa40 [ 7155.116844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.116844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.116844][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.116844][ T73] netlink_unicast+0x449/0x710 [ 7155.116844][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.116844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.116844][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.116844][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.116844][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.116844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.116844][ T73] [ 7155.118860][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.118860][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.118860][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.118860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.118860][ T73] ip6_route_add+0x1c/0x140 [ 7155.118860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.118860][ T73] addrconf_add_dev+0xe2/0x170 [ 7155.118860][ T73] inet6_addr_add+0x12f/0xa40 [ 7155.118860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.118860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.118860][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.118860][ T73] netlink_unicast+0x449/0x710 [ 7155.118860][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.118860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.118860][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.118860][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.118860][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.118860][ T73] [ 7155.120780][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.120780][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7155.120780][ T73] ipv6_find_idev+0x102/0x170 [ 7155.120780][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.120780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.120780][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.120780][ T73] netlink_unicast+0x449/0x710 [ 7155.120780][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.120780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.120780][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.120780][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.120780][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.120780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.120780][ T73] [ 7155.122272][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7155.122272][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7155.122272][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7155.122272][ T73] ipv6_find_idev+0x102/0x170 [ 7155.122272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.122272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.122272][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.122272][ T73] netlink_unicast+0x449/0x710 [ 7155.122272][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.122272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.122272][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.122272][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.122272][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.122272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.122272][ T73] [ 7155.123953][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7155.124222][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.124222][ T73] dst_init+0x84/0x4a0 [ 7155.124222][ T73] dst_alloc+0x97/0x150 [ 7155.124222][ T73] ip6_dst_alloc+0x23/0x90 [ 7155.124222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7155.124222][ T73] ip6_pol_route+0x56f/0x840 [ 7155.124222][ T73] fib6_rule_lookup+0x456/0x630 [ 7155.124222][ T73] ip6_route_input+0x59c/0xa50 [ 7155.124222][ T73] ipv6_rcv+0x397/0x810 [ 7155.124222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7155.124222][ T73] process_backlog+0x101/0x620 [ 7155.124222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7155.124222][ T73] net_rx_action+0x495/0xbe0 [ 7155.124222][ T73] __do_softirq+0x1b5/0x7f6 [ 7155.124222][ T73] [ 7155.125880][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.125880][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.125880][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.125880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.125880][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7155.125880][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7155.125880][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7155.125880][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7155.125880][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7155.125880][ T73] addrconf_dad_begin+0x310/0x670 [ 7155.125880][ T73] addrconf_dad_work+0x10b/0xab0 [ 7155.125880][ T73] process_one_work+0x84d/0x18a0 [ 7155.125880][ T73] worker_thread+0x587/0xd30 [ 7155.125880][ T73] kthread+0x28a/0x350 [ 7155.125880][ T73] ret_from_fork+0x31/0x70 [ 7155.125880][ T73] ret_from_fork_asm+0x1a/0x30 [ 7155.125880][ T73] [ 7155.127773][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.127773][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.127773][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.127773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.127773][ T73] ip6_route_add+0x1c/0x140 [ 7155.127773][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7155.127773][ T73] inet6_addr_add+0x4f8/0xa40 [ 7155.127773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.127773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.127773][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.127773][ T73] netlink_unicast+0x449/0x710 [ 7155.127773][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.127773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.127773][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.127773][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.127773][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.127773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.127773][ T73] [ 7155.129755][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.129755][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.129755][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.129755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.129755][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7155.129755][ T73] ipv6_add_addr+0x411/0x2000 [ 7155.129755][ T73] inet6_addr_add+0x30e/0xa40 [ 7155.129755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.129755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.129755][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.129755][ T73] netlink_unicast+0x449/0x710 [ 7155.129755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.129755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.129755][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.129755][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.129755][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.129755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.129755][ T73] [ 7155.131748][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.131748][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.131748][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.131748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.131748][ T73] ip6_route_add+0x1c/0x140 [ 7155.131748][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.131748][ T73] addrconf_add_dev+0xe2/0x170 [ 7155.131748][ T73] inet6_addr_add+0x12f/0xa40 [ 7155.131748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.131748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.131748][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.131748][ T73] netlink_unicast+0x449/0x710 [ 7155.131748][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.131748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.131748][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.131748][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.131748][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.131748][ T73] [ 7155.133689][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.133689][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7155.133689][ T73] ipv6_find_idev+0x102/0x170 [ 7155.133689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.133689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.133689][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.133689][ T73] netlink_unicast+0x449/0x710 [ 7155.133689][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.133689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.133689][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.133689][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.133689][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.133689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.133689][ T73] [ 7155.135213][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7155.135213][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7155.135213][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7155.135213][ T73] ipv6_find_idev+0x102/0x170 [ 7155.135213][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.135213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.135213][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.135213][ T73] netlink_unicast+0x449/0x710 [ 7155.135213][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.135213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.135213][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.135213][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.135213][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.135213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.135213][ T73] [ 7155.136985][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7155.137268][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.137268][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7155.137268][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7155.137268][ T73] fib6_nh_init+0xa22/0x1580 [ 7155.137268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.137268][ T73] ip6_route_add+0x1c/0x140 [ 7155.137268][ T73] inet6_rtm_newroute+0x104/0x110 [ 7155.137268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.137268][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.137268][ T73] netlink_unicast+0x449/0x710 [ 7155.137268][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.137268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.137268][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.137268][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.137268][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.137268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.137268][ T73] [ 7155.139387][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.139387][ T73] dst_init+0x84/0x4a0 [ 7155.139387][ T73] dst_alloc+0x97/0x150 [ 7155.139387][ T73] ip6_dst_alloc+0x23/0x90 [ 7155.139387][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7155.139387][ T73] ip6_pol_route+0x56f/0x840 [ 7155.139387][ T73] fib6_rule_lookup+0x456/0x630 [ 7155.139387][ T73] ip6_route_input+0x59c/0xa50 [ 7155.139387][ T73] ipv6_rcv+0x397/0x810 [ 7155.139387][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7155.139387][ T73] process_backlog+0x101/0x620 [ 7155.139387][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7155.139387][ T73] net_rx_action+0x495/0xbe0 [ 7155.139387][ T73] __do_softirq+0x1b5/0x7f6 [ 7155.139387][ T73] [ 7155.141198][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.141198][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.141198][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.141198][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.141198][ T73] ip6_route_add+0x1c/0x140 [ 7155.141198][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7155.141198][ T73] inet6_addr_add+0x4f8/0xa40 [ 7155.141198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.141198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.141198][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.141198][ T73] netlink_unicast+0x449/0x710 [ 7155.141198][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.141198][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.141198][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.141198][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.141198][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.141198][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.141198][ T73] [ 7155.143424][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.143424][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.143424][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.143424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.143424][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7155.143424][ T73] ipv6_add_addr+0x411/0x2000 [ 7155.143424][ T73] inet6_addr_add+0x30e/0xa40 [ 7155.143424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.143424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.143424][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.143424][ T73] netlink_unicast+0x449/0x710 [ 7155.143424][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.143424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.143424][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.143424][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.143424][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.143424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.143424][ T73] [ 7155.145712][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.145712][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.145712][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.145712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.145712][ T73] ip6_route_add+0x1c/0x140 [ 7155.145712][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.145712][ T73] addrconf_add_dev+0xe2/0x170 [ 7155.145712][ T73] inet6_addr_add+0x12f/0xa40 [ 7155.145712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.145712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.145712][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.145712][ T73] netlink_unicast+0x449/0x710 [ 7155.145712][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.145712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.145712][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.145712][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.145712][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.145712][ T73] [ 7155.147865][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.147865][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7155.147865][ T73] ipv6_find_idev+0x102/0x170 [ 7155.147865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.147865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.147865][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.147865][ T73] netlink_unicast+0x449/0x710 [ 7155.147865][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.147865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.147865][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.147865][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.147865][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.147865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.147865][ T73] [ 7155.149587][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7155.149587][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7155.149587][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7155.149587][ T73] ipv6_find_idev+0x102/0x170 [ 7155.149587][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.149587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.149587][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.149587][ T73] netlink_unicast+0x449/0x710 [ 7155.149587][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.149587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.149587][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.149587][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.149587][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.149587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.149587][ T73] [ 7155.151505][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7155.151781][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7155.151781][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.151781][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.151781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.151781][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7155.151781][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7155.151781][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7155.151781][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7155.151781][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7155.151781][ T73] addrconf_dad_begin+0x310/0x670 [ 7155.151781][ T73] addrconf_dad_work+0x10b/0xab0 [ 7155.151781][ T73] process_one_work+0x84d/0x18a0 [ 7155.151781][ T73] worker_thread+0x587/0xd30 [ 7155.151781][ T73] kthread+0x28a/0x350 [ 7155.151781][ T73] ret_from_fork+0x31/0x70 [ 7155.151781][ T73] ret_from_fork_asm+0x1a/0x30 [ 7155.151781][ T73] [ 7155.153977][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7155.153977][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.153977][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.153977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.153977][ T73] ip6_route_add+0x1c/0x140 [ 7155.153977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7155.153977][ T73] inet6_addr_add+0x4f8/0xa40 [ 7155.153977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.153977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.153977][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.153977][ T73] netlink_unicast+0x449/0x710 [ 7155.153977][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.153977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.153977][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.153977][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.153977][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.153977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.153977][ T73] [ 7155.156203][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7155.156203][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.156203][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.156203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.156203][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7155.156203][ T73] ipv6_add_addr+0x411/0x2000 [ 7155.156203][ T73] inet6_addr_add+0x30e/0xa40 [ 7155.156203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.156203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.156203][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.156203][ T73] netlink_unicast+0x449/0x710 [ 7155.156203][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.156203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.156203][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.156203][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.156203][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.156203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.156203][ T73] [ 7155.158376][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7155.158376][ T73] netdev_get_by_index+0x5e/0x80 [ 7155.158376][ T73] fib6_nh_init+0x3d8/0x1580 [ 7155.158376][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7155.158376][ T73] ip6_route_add+0x1c/0x140 [ 7155.158376][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.158376][ T73] addrconf_add_dev+0xe2/0x170 [ 7155.158376][ T73] inet6_addr_add+0x12f/0xa40 [ 7155.158376][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.158376][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.158376][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.158376][ T73] netlink_unicast+0x449/0x710 [ 7155.158376][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.158376][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.158376][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.158376][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.158376][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.158376][ T73] [ 7155.160578][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7155.160578][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7155.160578][ T73] ipv6_find_idev+0x102/0x170 [ 7155.160578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.160578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.160578][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.160578][ T73] netlink_unicast+0x449/0x710 [ 7155.160578][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.160578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.160578][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.160578][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.160578][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.160578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.160578][ T73] [ 7155.162288][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7155.162288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7155.162288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7155.162288][ T73] ipv6_find_idev+0x102/0x170 [ 7155.162288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.162288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.162288][ T73] netlink_rcv_skb+0x130/0x360 [ 7155.162288][ T73] netlink_unicast+0x449/0x710 [ 7155.162288][ T73] netlink_sendmsg+0x723/0xbe0 [ 7155.162288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7155.162288][ T73] ___sys_sendmsg+0xee/0x170 [ 7155.162288][ T73] __sys_sendmsg+0xcd/0x170 [ 7155.162288][ T73] do_syscall_64+0xc6/0x1e0 [ 7155.162288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.162288][ T73] [ 7165.406909][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7165.407353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.407353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7165.407353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7165.407353][ T73] fib6_nh_init+0xa22/0x1580 [ 7165.407353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.407353][ T73] ip6_route_add+0x1c/0x140 [ 7165.407353][ T73] inet6_rtm_newroute+0x104/0x110 [ 7165.407353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.407353][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.407353][ T73] netlink_unicast+0x449/0x710 [ 7165.407353][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.407353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.407353][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.407353][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.407353][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.407353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.407353][ T73] [ 7165.409241][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.409241][ T73] dst_init+0x84/0x4a0 [ 7165.409241][ T73] dst_alloc+0x97/0x150 [ 7165.409241][ T73] ip6_dst_alloc+0x23/0x90 [ 7165.409241][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7165.409241][ T73] ip6_pol_route+0x56f/0x840 [ 7165.409241][ T73] fib6_rule_lookup+0x456/0x630 [ 7165.409241][ T73] ip6_route_input+0x59c/0xa50 [ 7165.409241][ T73] ipv6_rcv+0x397/0x810 [ 7165.409241][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7165.409241][ T73] process_backlog+0x101/0x620 [ 7165.409241][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7165.409241][ T73] net_rx_action+0x495/0xbe0 [ 7165.409241][ T73] __do_softirq+0x1b5/0x7f6 [ 7165.409241][ T73] [ 7165.410888][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.410888][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.410888][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.410888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.410888][ T73] ip6_route_add+0x1c/0x140 [ 7165.410888][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7165.410888][ T73] inet6_addr_add+0x4f8/0xa40 [ 7165.410888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.410888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.410888][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.410888][ T73] netlink_unicast+0x449/0x710 [ 7165.410888][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.410888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.410888][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.410888][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.410888][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.410888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.410888][ T73] [ 7165.412862][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.412862][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.412862][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.412862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.412862][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7165.412862][ T73] ipv6_add_addr+0x411/0x2000 [ 7165.412862][ T73] inet6_addr_add+0x30e/0xa40 [ 7165.412862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.412862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.412862][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.412862][ T73] netlink_unicast+0x449/0x710 [ 7165.412862][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.412862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.412862][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.412862][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.412862][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.412862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.412862][ T73] [ 7165.414850][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.414850][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.414850][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.414850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.414850][ T73] ip6_route_add+0x1c/0x140 [ 7165.414850][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7165.414850][ T73] addrconf_add_dev+0xe2/0x170 [ 7165.414850][ T73] inet6_addr_add+0x12f/0xa40 [ 7165.414850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.414850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.414850][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.414850][ T73] netlink_unicast+0x449/0x710 [ 7165.414850][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.414850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.414850][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.414850][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.414850][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.414850][ T73] [ 7165.416753][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.416753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7165.416753][ T73] ipv6_find_idev+0x102/0x170 [ 7165.416753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.416753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.416753][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.416753][ T73] netlink_unicast+0x449/0x710 [ 7165.416753][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.416753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.416753][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.416753][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.416753][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.416753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.416753][ T73] [ 7165.418274][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7165.418274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7165.418274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7165.418274][ T73] ipv6_find_idev+0x102/0x170 [ 7165.418274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.418274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.418274][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.418274][ T73] netlink_unicast+0x449/0x710 [ 7165.418274][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.418274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.418274][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.418274][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.418274][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.418274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.418274][ T73] [ 7165.420482][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7165.420774][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.420774][ T73] dst_init+0x84/0x4a0 [ 7165.420774][ T73] dst_alloc+0x97/0x150 [ 7165.420774][ T73] ip6_dst_alloc+0x23/0x90 [ 7165.420774][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7165.420774][ T73] ip6_pol_route+0x56f/0x840 [ 7165.420774][ T73] fib6_rule_lookup+0x456/0x630 [ 7165.420774][ T73] ip6_route_input+0x59c/0xa50 [ 7165.420774][ T73] ipv6_rcv+0x397/0x810 [ 7165.420774][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7165.420774][ T73] process_backlog+0x101/0x620 [ 7165.420774][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7165.420774][ T73] net_rx_action+0x495/0xbe0 [ 7165.420774][ T73] __do_softirq+0x1b5/0x7f6 [ 7165.420774][ T73] [ 7165.422407][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.422407][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.422407][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.422407][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.422407][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7165.422407][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7165.422407][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7165.422407][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7165.422407][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7165.422407][ T73] addrconf_dad_begin+0x310/0x670 [ 7165.422407][ T73] addrconf_dad_work+0x10b/0xab0 [ 7165.422407][ T73] process_one_work+0x84d/0x18a0 [ 7165.422407][ T73] worker_thread+0x587/0xd30 [ 7165.422407][ T73] kthread+0x28a/0x350 [ 7165.422407][ T73] ret_from_fork+0x31/0x70 [ 7165.422407][ T73] ret_from_fork_asm+0x1a/0x30 [ 7165.422407][ T73] [ 7165.424248][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.424248][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.424248][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.424248][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.424248][ T73] ip6_route_add+0x1c/0x140 [ 7165.424248][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7165.424248][ T73] inet6_addr_add+0x4f8/0xa40 [ 7165.424248][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.424248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.424248][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.424248][ T73] netlink_unicast+0x449/0x710 [ 7165.424248][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.424248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.424248][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.424248][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.424248][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.424248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.424248][ T73] [ 7165.426202][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.426202][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.426202][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.426202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.426202][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7165.426202][ T73] ipv6_add_addr+0x411/0x2000 [ 7165.426202][ T73] inet6_addr_add+0x30e/0xa40 [ 7165.426202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.426202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.426202][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.426202][ T73] netlink_unicast+0x449/0x710 [ 7165.426202][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.426202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.426202][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.426202][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.426202][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.426202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.426202][ T73] [ 7165.428564][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.428564][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.428564][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.428564][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.428564][ T73] ip6_route_add+0x1c/0x140 [ 7165.428564][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7165.428564][ T73] addrconf_add_dev+0xe2/0x170 [ 7165.428564][ T73] inet6_addr_add+0x12f/0xa40 [ 7165.428564][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.428564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.428564][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.428564][ T73] netlink_unicast+0x449/0x710 [ 7165.428564][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.428564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.428564][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.428564][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.428564][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.428564][ T73] [ 7165.430510][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.430510][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7165.430510][ T73] ipv6_find_idev+0x102/0x170 [ 7165.430510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.430510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.430510][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.430510][ T73] netlink_unicast+0x449/0x710 [ 7165.430510][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.430510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.430510][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.430510][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.430510][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.430510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.430510][ T73] [ 7165.432032][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7165.432032][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7165.432032][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7165.432032][ T73] ipv6_find_idev+0x102/0x170 [ 7165.432032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.432032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.432032][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.432032][ T73] netlink_unicast+0x449/0x710 [ 7165.432032][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.432032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.432032][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.432032][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.432032][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.432032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.432032][ T73] [ 7165.433828][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7165.434092][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.434092][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7165.434092][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7165.434092][ T73] fib6_nh_init+0xa22/0x1580 [ 7165.434092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.434092][ T73] ip6_route_add+0x1c/0x140 [ 7165.434092][ T73] inet6_rtm_newroute+0x104/0x110 [ 7165.434092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.434092][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.434092][ T73] netlink_unicast+0x449/0x710 [ 7165.434092][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.434092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.434092][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.434092][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.434092][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.434092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.434092][ T73] [ 7165.436264][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.436264][ T73] dst_init+0x84/0x4a0 [ 7165.436264][ T73] dst_alloc+0x97/0x150 [ 7165.436264][ T73] ip6_dst_alloc+0x23/0x90 [ 7165.436264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7165.436264][ T73] ip6_pol_route+0x56f/0x840 [ 7165.436264][ T73] fib6_rule_lookup+0x456/0x630 [ 7165.436264][ T73] ip6_route_input+0x59c/0xa50 [ 7165.436264][ T73] ipv6_rcv+0x397/0x810 [ 7165.436264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7165.436264][ T73] process_backlog+0x101/0x620 [ 7165.436264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7165.436264][ T73] net_rx_action+0x495/0xbe0 [ 7165.436264][ T73] __do_softirq+0x1b5/0x7f6 [ 7165.436264][ T73] [ 7165.438083][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.438083][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.438083][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.438083][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.438083][ T73] ip6_route_add+0x1c/0x140 [ 7165.438083][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7165.438083][ T73] inet6_addr_add+0x4f8/0xa40 [ 7165.438083][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.438083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.438083][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.438083][ T73] netlink_unicast+0x449/0x710 [ 7165.438083][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.438083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.438083][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.438083][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.438083][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.438083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.438083][ T73] [ 7165.440308][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.440308][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.440308][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.440308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.440308][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7165.440308][ T73] ipv6_add_addr+0x411/0x2000 [ 7165.440308][ T73] inet6_addr_add+0x30e/0xa40 [ 7165.440308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.440308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.440308][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.440308][ T73] netlink_unicast+0x449/0x710 [ 7165.440308][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.440308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.440308][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.440308][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.440308][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.440308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.440308][ T73] [ 7165.442481][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.442481][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.442481][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.442481][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.442481][ T73] ip6_route_add+0x1c/0x140 [ 7165.442481][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7165.442481][ T73] addrconf_add_dev+0xe2/0x170 [ 7165.442481][ T73] inet6_addr_add+0x12f/0xa40 [ 7165.442481][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.442481][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.442481][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.442481][ T73] netlink_unicast+0x449/0x710 [ 7165.442481][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.442481][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.442481][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.442481][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.442481][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.442481][ T73] [ 7165.444954][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.444954][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7165.444954][ T73] ipv6_find_idev+0x102/0x170 [ 7165.444954][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.444954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.444954][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.444954][ T73] netlink_unicast+0x449/0x710 [ 7165.444954][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.444954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.444954][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.444954][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.444954][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.444954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.444954][ T73] [ 7165.446723][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7165.446723][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7165.446723][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7165.446723][ T73] ipv6_find_idev+0x102/0x170 [ 7165.446723][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.446723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.446723][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.446723][ T73] netlink_unicast+0x449/0x710 [ 7165.446723][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.446723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.446723][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.446723][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.446723][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.446723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.446723][ T73] [ 7165.448645][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7165.449348][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7165.449348][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.449348][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.449348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.449348][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7165.449348][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7165.449348][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7165.449348][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7165.449348][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7165.449348][ T73] addrconf_dad_begin+0x310/0x670 [ 7165.449348][ T73] addrconf_dad_work+0x10b/0xab0 [ 7165.449348][ T73] process_one_work+0x84d/0x18a0 [ 7165.449348][ T73] worker_thread+0x587/0xd30 [ 7165.449348][ T73] kthread+0x28a/0x350 [ 7165.449348][ T73] ret_from_fork+0x31/0x70 [ 7165.449348][ T73] ret_from_fork_asm+0x1a/0x30 [ 7165.449348][ T73] [ 7165.451252][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7165.451252][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.451252][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.451252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.451252][ T73] ip6_route_add+0x1c/0x140 [ 7165.451252][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7165.451252][ T73] inet6_addr_add+0x4f8/0xa40 [ 7165.451252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.451252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.451252][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.451252][ T73] netlink_unicast+0x449/0x710 [ 7165.451252][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.451252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.451252][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.451252][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.451252][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.451252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.451252][ T73] [ 7165.453354][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7165.453354][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.453354][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.453354][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.453354][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7165.453354][ T73] ipv6_add_addr+0x411/0x2000 [ 7165.453354][ T73] inet6_addr_add+0x30e/0xa40 [ 7165.453354][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.453354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.453354][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.453354][ T73] netlink_unicast+0x449/0x710 [ 7165.453354][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.453354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.453354][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.453354][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.453354][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.453354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.453354][ T73] [ 7165.455527][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7165.455527][ T73] netdev_get_by_index+0x5e/0x80 [ 7165.455527][ T73] fib6_nh_init+0x3d8/0x1580 [ 7165.455527][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7165.455527][ T73] ip6_route_add+0x1c/0x140 [ 7165.455527][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7165.455527][ T73] addrconf_add_dev+0xe2/0x170 [ 7165.455527][ T73] inet6_addr_add+0x12f/0xa40 [ 7165.455527][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7165.455527][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.455527][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.455527][ T73] netlink_unicast+0x449/0x710 [ 7165.455527][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.455527][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.455527][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.455527][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.455527][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.455527][ T73] [ 7165.457724][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7165.457724][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7165.457724][ T73] ipv6_find_idev+0x102/0x170 [ 7165.457724][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.457724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.457724][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.457724][ T73] netlink_unicast+0x449/0x710 [ 7165.457724][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.457724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.457724][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.457724][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.457724][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.457724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.457724][ T73] [ 7165.459489][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7165.459489][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7165.459489][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7165.459489][ T73] ipv6_find_idev+0x102/0x170 [ 7165.459489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7165.459489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7165.459489][ T73] netlink_rcv_skb+0x130/0x360 [ 7165.459489][ T73] netlink_unicast+0x449/0x710 [ 7165.459489][ T73] netlink_sendmsg+0x723/0xbe0 [ 7165.459489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7165.459489][ T73] ___sys_sendmsg+0xee/0x170 [ 7165.459489][ T73] __sys_sendmsg+0xcd/0x170 [ 7165.459489][ T73] do_syscall_64+0xc6/0x1e0 [ 7165.459489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7165.459489][ T73] [ 7175.606914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7175.607310][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.607310][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7175.607310][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7175.607310][ T73] fib6_nh_init+0xa22/0x1580 [ 7175.607310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.607310][ T73] ip6_route_add+0x1c/0x140 [ 7175.607310][ T73] inet6_rtm_newroute+0x104/0x110 [ 7175.607310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.607310][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.607310][ T73] netlink_unicast+0x449/0x710 [ 7175.607310][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.607310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.607310][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.607310][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.607310][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.607310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.607310][ T73] [ 7175.609219][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.609219][ T73] dst_init+0x84/0x4a0 [ 7175.609219][ T73] dst_alloc+0x97/0x150 [ 7175.609219][ T73] ip6_dst_alloc+0x23/0x90 [ 7175.609219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7175.609219][ T73] ip6_pol_route+0x56f/0x840 [ 7175.609219][ T73] fib6_rule_lookup+0x456/0x630 [ 7175.609219][ T73] ip6_route_input+0x59c/0xa50 [ 7175.609219][ T73] ipv6_rcv+0x397/0x810 [ 7175.609219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7175.609219][ T73] process_backlog+0x101/0x620 [ 7175.609219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7175.609219][ T73] net_rx_action+0x495/0xbe0 [ 7175.609219][ T73] __do_softirq+0x1b5/0x7f6 [ 7175.609219][ T73] [ 7175.610821][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.610821][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.610821][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.610821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.610821][ T73] ip6_route_add+0x1c/0x140 [ 7175.610821][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7175.610821][ T73] inet6_addr_add+0x4f8/0xa40 [ 7175.610821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.610821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.610821][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.610821][ T73] netlink_unicast+0x449/0x710 [ 7175.610821][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.610821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.610821][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.610821][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.610821][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.610821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.610821][ T73] [ 7175.612806][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.612806][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.612806][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.612806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.612806][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7175.612806][ T73] ipv6_add_addr+0x411/0x2000 [ 7175.612806][ T73] inet6_addr_add+0x30e/0xa40 [ 7175.612806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.612806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.612806][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.612806][ T73] netlink_unicast+0x449/0x710 [ 7175.612806][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.612806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.612806][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.612806][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.612806][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.612806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.612806][ T73] [ 7175.614817][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.614817][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.614817][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.614817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.614817][ T73] ip6_route_add+0x1c/0x140 [ 7175.614817][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7175.614817][ T73] addrconf_add_dev+0xe2/0x170 [ 7175.614817][ T73] inet6_addr_add+0x12f/0xa40 [ 7175.614817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.614817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.614817][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.614817][ T73] netlink_unicast+0x449/0x710 [ 7175.614817][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.614817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.614817][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.614817][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.614817][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.614817][ T73] [ 7175.616751][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.616751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7175.616751][ T73] ipv6_find_idev+0x102/0x170 [ 7175.616751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.616751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.616751][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.616751][ T73] netlink_unicast+0x449/0x710 [ 7175.616751][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.616751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.616751][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.616751][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.616751][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.616751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.616751][ T73] [ 7175.618402][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7175.618402][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7175.618402][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7175.618402][ T73] ipv6_find_idev+0x102/0x170 [ 7175.618402][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.618402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.618402][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.618402][ T73] netlink_unicast+0x449/0x710 [ 7175.618402][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.618402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.618402][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.618402][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.618402][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.618402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.618402][ T73] [ 7175.620111][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7175.620396][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.620396][ T73] dst_init+0x84/0x4a0 [ 7175.620396][ T73] dst_alloc+0x97/0x150 [ 7175.620396][ T73] ip6_dst_alloc+0x23/0x90 [ 7175.620396][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7175.620396][ T73] ip6_pol_route+0x56f/0x840 [ 7175.620396][ T73] fib6_rule_lookup+0x456/0x630 [ 7175.620396][ T73] ip6_route_input+0x59c/0xa50 [ 7175.620396][ T73] ipv6_rcv+0x397/0x810 [ 7175.620396][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7175.620396][ T73] process_backlog+0x101/0x620 [ 7175.620396][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7175.620396][ T73] net_rx_action+0x495/0xbe0 [ 7175.620396][ T73] __do_softirq+0x1b5/0x7f6 [ 7175.620396][ T73] [ 7175.622046][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.622046][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.622046][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.622046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.622046][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7175.622046][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7175.622046][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7175.622046][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7175.622046][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7175.622046][ T73] addrconf_dad_begin+0x310/0x670 [ 7175.622046][ T73] addrconf_dad_work+0x10b/0xab0 [ 7175.622046][ T73] process_one_work+0x84d/0x18a0 [ 7175.622046][ T73] worker_thread+0x587/0xd30 [ 7175.622046][ T73] kthread+0x28a/0x350 [ 7175.622046][ T73] ret_from_fork+0x31/0x70 [ 7175.622046][ T73] ret_from_fork_asm+0x1a/0x30 [ 7175.622046][ T73] [ 7175.623973][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.623973][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.623973][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.623973][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.623973][ T73] ip6_route_add+0x1c/0x140 [ 7175.623973][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7175.623973][ T73] inet6_addr_add+0x4f8/0xa40 [ 7175.623973][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.623973][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.623973][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.623973][ T73] netlink_unicast+0x449/0x710 [ 7175.623973][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.623973][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.623973][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.623973][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.623973][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.623973][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.623973][ T73] [ 7175.625980][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.625980][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.625980][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.625980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.625980][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7175.625980][ T73] ipv6_add_addr+0x411/0x2000 [ 7175.625980][ T73] inet6_addr_add+0x30e/0xa40 [ 7175.625980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.625980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.625980][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.625980][ T73] netlink_unicast+0x449/0x710 [ 7175.625980][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.625980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.625980][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.625980][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.625980][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.625980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.625980][ T73] [ 7175.627993][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.627993][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.627993][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.627993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.627993][ T73] ip6_route_add+0x1c/0x140 [ 7175.627993][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7175.627993][ T73] addrconf_add_dev+0xe2/0x170 [ 7175.627993][ T73] inet6_addr_add+0x12f/0xa40 [ 7175.627993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.627993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.627993][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.627993][ T73] netlink_unicast+0x449/0x710 [ 7175.627993][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.627993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.627993][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.627993][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.627993][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.627993][ T73] [ 7175.630569][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.630569][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7175.630569][ T73] ipv6_find_idev+0x102/0x170 [ 7175.630569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.630569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.630569][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.630569][ T73] netlink_unicast+0x449/0x710 [ 7175.630569][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.630569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.630569][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.630569][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.630569][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.630569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.630569][ T73] [ 7175.632113][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7175.632113][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7175.632113][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7175.632113][ T73] ipv6_find_idev+0x102/0x170 [ 7175.632113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.632113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.632113][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.632113][ T73] netlink_unicast+0x449/0x710 [ 7175.632113][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.632113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.632113][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.632113][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.632113][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.632113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.632113][ T73] [ 7175.633862][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7175.634207][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.634207][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7175.634207][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7175.634207][ T73] fib6_nh_init+0xa22/0x1580 [ 7175.634207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.634207][ T73] ip6_route_add+0x1c/0x140 [ 7175.634207][ T73] inet6_rtm_newroute+0x104/0x110 [ 7175.634207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.634207][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.634207][ T73] netlink_unicast+0x449/0x710 [ 7175.634207][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.634207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.634207][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.634207][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.634207][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.634207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.634207][ T73] [ 7175.636198][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.636198][ T73] dst_init+0x84/0x4a0 [ 7175.636198][ T73] dst_alloc+0x97/0x150 [ 7175.636198][ T73] ip6_dst_alloc+0x23/0x90 [ 7175.636198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7175.636198][ T73] ip6_pol_route+0x56f/0x840 [ 7175.636198][ T73] fib6_rule_lookup+0x456/0x630 [ 7175.636198][ T73] ip6_route_input+0x59c/0xa50 [ 7175.636198][ T73] ipv6_rcv+0x397/0x810 [ 7175.636198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7175.636198][ T73] process_backlog+0x101/0x620 [ 7175.636198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7175.636198][ T73] net_rx_action+0x495/0xbe0 [ 7175.636198][ T73] __do_softirq+0x1b5/0x7f6 [ 7175.636198][ T73] [ 7175.638023][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.638023][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.638023][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.638023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.638023][ T73] ip6_route_add+0x1c/0x140 [ 7175.638023][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7175.638023][ T73] inet6_addr_add+0x4f8/0xa40 [ 7175.638023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.638023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.638023][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.638023][ T73] netlink_unicast+0x449/0x710 [ 7175.638023][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.638023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.638023][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.638023][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.638023][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.638023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.638023][ T73] [ 7175.640260][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.640260][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.640260][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.640260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.640260][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7175.640260][ T73] ipv6_add_addr+0x411/0x2000 [ 7175.640260][ T73] inet6_addr_add+0x30e/0xa40 [ 7175.640260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.640260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.640260][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.640260][ T73] netlink_unicast+0x449/0x710 [ 7175.640260][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.640260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.640260][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.640260][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.640260][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.640260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.640260][ T73] [ 7175.642555][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.642555][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.642555][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.642555][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.642555][ T73] ip6_route_add+0x1c/0x140 [ 7175.642555][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7175.642555][ T73] addrconf_add_dev+0xe2/0x170 [ 7175.642555][ T73] inet6_addr_add+0x12f/0xa40 [ 7175.642555][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.642555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.642555][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.642555][ T73] netlink_unicast+0x449/0x710 [ 7175.642555][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.642555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.642555][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.642555][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.642555][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.642555][ T73] [ 7175.644757][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.644757][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7175.644757][ T73] ipv6_find_idev+0x102/0x170 [ 7175.644757][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.644757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.644757][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.644757][ T73] netlink_unicast+0x449/0x710 [ 7175.644757][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.644757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.644757][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.644757][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.644757][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.644757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.644757][ T73] [ 7175.646486][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7175.646486][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7175.646486][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7175.646486][ T73] ipv6_find_idev+0x102/0x170 [ 7175.646486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.646486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.646486][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.646486][ T73] netlink_unicast+0x449/0x710 [ 7175.646486][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.646486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.646486][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.646486][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.646486][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.646486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.646486][ T73] [ 7175.648374][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7175.648643][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7175.648643][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.648643][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.648643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.648643][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7175.648643][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7175.648643][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7175.648643][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7175.648643][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7175.648643][ T73] addrconf_dad_begin+0x310/0x670 [ 7175.648643][ T73] addrconf_dad_work+0x10b/0xab0 [ 7175.648643][ T73] process_one_work+0x84d/0x18a0 [ 7175.648643][ T73] worker_thread+0x587/0xd30 [ 7175.648643][ T73] kthread+0x28a/0x350 [ 7175.648643][ T73] ret_from_fork+0x31/0x70 [ 7175.648643][ T73] ret_from_fork_asm+0x1a/0x30 [ 7175.648643][ T73] [ 7175.650877][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7175.650877][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.650877][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.650877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.650877][ T73] ip6_route_add+0x1c/0x140 [ 7175.650877][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7175.650877][ T73] inet6_addr_add+0x4f8/0xa40 [ 7175.650877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.650877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.650877][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.650877][ T73] netlink_unicast+0x449/0x710 [ 7175.650877][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.650877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.650877][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.650877][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.650877][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.650877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.650877][ T73] [ 7175.653189][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7175.653189][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.653189][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.653189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.653189][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7175.653189][ T73] ipv6_add_addr+0x411/0x2000 [ 7175.653189][ T73] inet6_addr_add+0x30e/0xa40 [ 7175.653189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.653189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.653189][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.653189][ T73] netlink_unicast+0x449/0x710 [ 7175.653189][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.653189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.653189][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.653189][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.653189][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.653189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.653189][ T73] [ 7175.655414][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7175.655414][ T73] netdev_get_by_index+0x5e/0x80 [ 7175.655414][ T73] fib6_nh_init+0x3d8/0x1580 [ 7175.655414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7175.655414][ T73] ip6_route_add+0x1c/0x140 [ 7175.655414][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7175.655414][ T73] addrconf_add_dev+0xe2/0x170 [ 7175.655414][ T73] inet6_addr_add+0x12f/0xa40 [ 7175.655414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7175.655414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.655414][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.655414][ T73] netlink_unicast+0x449/0x710 [ 7175.655414][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.655414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.655414][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.655414][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.655414][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.655414][ T73] [ 7175.657621][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7175.657621][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7175.657621][ T73] ipv6_find_idev+0x102/0x170 [ 7175.657621][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.657621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.657621][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.657621][ T73] netlink_unicast+0x449/0x710 [ 7175.657621][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.657621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.657621][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.657621][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.657621][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.657621][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.657621][ T73] [ 7175.659285][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7175.659285][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7175.659285][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7175.659285][ T73] ipv6_find_idev+0x102/0x170 [ 7175.659285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7175.659285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7175.659285][ T73] netlink_rcv_skb+0x130/0x360 [ 7175.659285][ T73] netlink_unicast+0x449/0x710 [ 7175.659285][ T73] netlink_sendmsg+0x723/0xbe0 [ 7175.659285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7175.659285][ T73] ___sys_sendmsg+0xee/0x170 [ 7175.659285][ T73] __sys_sendmsg+0xcd/0x170 [ 7175.659285][ T73] do_syscall_64+0xc6/0x1e0 [ 7175.659285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7175.659285][ T73] [ 7185.902918][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7185.903373][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.903373][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7185.903373][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7185.903373][ T73] fib6_nh_init+0xa22/0x1580 [ 7185.903373][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.903373][ T73] ip6_route_add+0x1c/0x140 [ 7185.903373][ T73] inet6_rtm_newroute+0x104/0x110 [ 7185.903373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.903373][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.903373][ T73] netlink_unicast+0x449/0x710 [ 7185.903373][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.903373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.903373][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.903373][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.903373][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.903373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.903373][ T73] [ 7185.905276][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.905276][ T73] dst_init+0x84/0x4a0 [ 7185.905276][ T73] dst_alloc+0x97/0x150 [ 7185.905276][ T73] ip6_dst_alloc+0x23/0x90 [ 7185.905276][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7185.905276][ T73] ip6_pol_route+0x56f/0x840 [ 7185.905276][ T73] fib6_rule_lookup+0x456/0x630 [ 7185.905276][ T73] ip6_route_input+0x59c/0xa50 [ 7185.905276][ T73] ipv6_rcv+0x397/0x810 [ 7185.905276][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7185.905276][ T73] process_backlog+0x101/0x620 [ 7185.905276][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7185.905276][ T73] net_rx_action+0x495/0xbe0 [ 7185.905276][ T73] __do_softirq+0x1b5/0x7f6 [ 7185.905276][ T73] [ 7185.906883][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.906883][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.906883][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.906883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.906883][ T73] ip6_route_add+0x1c/0x140 [ 7185.906883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7185.906883][ T73] inet6_addr_add+0x4f8/0xa40 [ 7185.906883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.906883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.906883][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.906883][ T73] netlink_unicast+0x449/0x710 [ 7185.906883][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.906883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.906883][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.906883][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.906883][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.906883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.906883][ T73] [ 7185.908891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.908891][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.908891][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.908891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.908891][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7185.908891][ T73] ipv6_add_addr+0x411/0x2000 [ 7185.908891][ T73] inet6_addr_add+0x30e/0xa40 [ 7185.908891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.908891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.908891][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.908891][ T73] netlink_unicast+0x449/0x710 [ 7185.908891][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.908891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.908891][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.908891][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.908891][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.908891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.908891][ T73] [ 7185.910923][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.910923][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.910923][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.910923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.910923][ T73] ip6_route_add+0x1c/0x140 [ 7185.910923][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7185.910923][ T73] addrconf_add_dev+0xe2/0x170 [ 7185.910923][ T73] inet6_addr_add+0x12f/0xa40 [ 7185.910923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.910923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.910923][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.910923][ T73] netlink_unicast+0x449/0x710 [ 7185.910923][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.910923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.910923][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.910923][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.910923][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.910923][ T73] [ 7185.912903][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.912903][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7185.912903][ T73] ipv6_find_idev+0x102/0x170 [ 7185.912903][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.912903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.912903][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.912903][ T73] netlink_unicast+0x449/0x710 [ 7185.912903][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.912903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.912903][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.912903][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.912903][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.912903][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.912903][ T73] [ 7185.914470][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7185.914470][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7185.914470][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7185.914470][ T73] ipv6_find_idev+0x102/0x170 [ 7185.914470][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.914470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.914470][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.914470][ T73] netlink_unicast+0x449/0x710 [ 7185.914470][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.914470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.914470][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.914470][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.914470][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.914470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.914470][ T73] [ 7185.916170][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7185.916443][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.916443][ T73] dst_init+0x84/0x4a0 [ 7185.916443][ T73] dst_alloc+0x97/0x150 [ 7185.916443][ T73] ip6_dst_alloc+0x23/0x90 [ 7185.916443][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7185.916443][ T73] ip6_pol_route+0x56f/0x840 [ 7185.916443][ T73] fib6_rule_lookup+0x456/0x630 [ 7185.916443][ T73] ip6_route_input+0x59c/0xa50 [ 7185.916443][ T73] ipv6_rcv+0x397/0x810 [ 7185.916443][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7185.916443][ T73] process_backlog+0x101/0x620 [ 7185.916443][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7185.916443][ T73] net_rx_action+0x495/0xbe0 [ 7185.916443][ T73] __do_softirq+0x1b5/0x7f6 [ 7185.916443][ T73] [ 7185.918089][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.918089][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.918089][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.918089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.918089][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7185.918089][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7185.918089][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7185.918089][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7185.918089][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7185.918089][ T73] addrconf_dad_begin+0x310/0x670 [ 7185.918089][ T73] addrconf_dad_work+0x10b/0xab0 [ 7185.918089][ T73] process_one_work+0x84d/0x18a0 [ 7185.918089][ T73] worker_thread+0x587/0xd30 [ 7185.918089][ T73] kthread+0x28a/0x350 [ 7185.918089][ T73] ret_from_fork+0x31/0x70 [ 7185.918089][ T73] ret_from_fork_asm+0x1a/0x30 [ 7185.918089][ T73] [ 7185.920020][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.920020][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.920020][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.920020][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.920020][ T73] ip6_route_add+0x1c/0x140 [ 7185.920020][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7185.920020][ T73] inet6_addr_add+0x4f8/0xa40 [ 7185.920020][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.920020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.920020][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.920020][ T73] netlink_unicast+0x449/0x710 [ 7185.920020][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.920020][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.920020][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.920020][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.920020][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.920020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.920020][ T73] [ 7185.922367][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.922367][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.922367][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.922367][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.922367][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7185.922367][ T73] ipv6_add_addr+0x411/0x2000 [ 7185.922367][ T73] inet6_addr_add+0x30e/0xa40 [ 7185.922367][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.922367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.922367][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.922367][ T73] netlink_unicast+0x449/0x710 [ 7185.922367][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.922367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.922367][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.922367][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.922367][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.922367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.922367][ T73] [ 7185.924325][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.924325][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.924325][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.924325][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.924325][ T73] ip6_route_add+0x1c/0x140 [ 7185.924325][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7185.924325][ T73] addrconf_add_dev+0xe2/0x170 [ 7185.924325][ T73] inet6_addr_add+0x12f/0xa40 [ 7185.924325][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.924325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.924325][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.924325][ T73] netlink_unicast+0x449/0x710 [ 7185.924325][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.924325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.924325][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.924325][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.924325][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.924325][ T73] [ 7185.926246][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.926246][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7185.926246][ T73] ipv6_find_idev+0x102/0x170 [ 7185.926246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.926246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.926246][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.926246][ T73] netlink_unicast+0x449/0x710 [ 7185.926246][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.926246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.926246][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.926246][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.926246][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.926246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.926246][ T73] [ 7185.927777][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7185.927777][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7185.927777][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7185.927777][ T73] ipv6_find_idev+0x102/0x170 [ 7185.927777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.927777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.927777][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.927777][ T73] netlink_unicast+0x449/0x710 [ 7185.927777][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.927777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.927777][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.927777][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.927777][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.927777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.927777][ T73] [ 7185.929543][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7185.929888][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.929888][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7185.929888][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7185.929888][ T73] fib6_nh_init+0xa22/0x1580 [ 7185.929888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.929888][ T73] ip6_route_add+0x1c/0x140 [ 7185.929888][ T73] inet6_rtm_newroute+0x104/0x110 [ 7185.929888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.929888][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.929888][ T73] netlink_unicast+0x449/0x710 [ 7185.929888][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.929888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.929888][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.929888][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.929888][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.929888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.929888][ T73] [ 7185.931902][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.931902][ T73] dst_init+0x84/0x4a0 [ 7185.931902][ T73] dst_alloc+0x97/0x150 [ 7185.931902][ T73] ip6_dst_alloc+0x23/0x90 [ 7185.931902][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7185.931902][ T73] ip6_pol_route+0x56f/0x840 [ 7185.931902][ T73] fib6_rule_lookup+0x456/0x630 [ 7185.931902][ T73] ip6_route_input+0x59c/0xa50 [ 7185.931902][ T73] ipv6_rcv+0x397/0x810 [ 7185.931902][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7185.931902][ T73] process_backlog+0x101/0x620 [ 7185.931902][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7185.931902][ T73] net_rx_action+0x495/0xbe0 [ 7185.931902][ T73] __do_softirq+0x1b5/0x7f6 [ 7185.931902][ T73] [ 7185.933786][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.933786][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.933786][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.933786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.933786][ T73] ip6_route_add+0x1c/0x140 [ 7185.933786][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7185.933786][ T73] inet6_addr_add+0x4f8/0xa40 [ 7185.933786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.933786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.933786][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.933786][ T73] netlink_unicast+0x449/0x710 [ 7185.933786][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.933786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.933786][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.933786][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.933786][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.933786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.933786][ T73] [ 7185.936032][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.936032][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.936032][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.936032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.936032][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7185.936032][ T73] ipv6_add_addr+0x411/0x2000 [ 7185.936032][ T73] inet6_addr_add+0x30e/0xa40 [ 7185.936032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.936032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.936032][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.936032][ T73] netlink_unicast+0x449/0x710 [ 7185.936032][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.936032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.936032][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.936032][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.936032][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.936032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.936032][ T73] [ 7185.938282][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.938282][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.938282][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.938282][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.938282][ T73] ip6_route_add+0x1c/0x140 [ 7185.938282][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7185.938282][ T73] addrconf_add_dev+0xe2/0x170 [ 7185.938282][ T73] inet6_addr_add+0x12f/0xa40 [ 7185.938282][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.938282][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.938282][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.938282][ T73] netlink_unicast+0x449/0x710 [ 7185.938282][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.938282][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.938282][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.938282][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.938282][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.938282][ T73] [ 7185.940495][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.940495][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7185.940495][ T73] ipv6_find_idev+0x102/0x170 [ 7185.940495][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.940495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.940495][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.940495][ T73] netlink_unicast+0x449/0x710 [ 7185.940495][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.940495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.940495][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.940495][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.940495][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.940495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.940495][ T73] [ 7185.942278][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7185.942278][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7185.942278][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7185.942278][ T73] ipv6_find_idev+0x102/0x170 [ 7185.942278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.942278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.942278][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.942278][ T73] netlink_unicast+0x449/0x710 [ 7185.942278][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.942278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.942278][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.942278][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.942278][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.942278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.942278][ T73] [ 7185.944151][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7185.944424][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7185.944424][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.944424][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.944424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.944424][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7185.944424][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7185.944424][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7185.944424][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7185.944424][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7185.944424][ T73] addrconf_dad_begin+0x310/0x670 [ 7185.944424][ T73] addrconf_dad_work+0x10b/0xab0 [ 7185.944424][ T73] process_one_work+0x84d/0x18a0 [ 7185.944424][ T73] worker_thread+0x587/0xd30 [ 7185.944424][ T73] kthread+0x28a/0x350 [ 7185.944424][ T73] ret_from_fork+0x31/0x70 [ 7185.944424][ T73] ret_from_fork_asm+0x1a/0x30 [ 7185.944424][ T73] [ 7185.946596][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7185.946596][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.946596][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.946596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.946596][ T73] ip6_route_add+0x1c/0x140 [ 7185.946596][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7185.946596][ T73] inet6_addr_add+0x4f8/0xa40 [ 7185.946596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.946596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.946596][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.946596][ T73] netlink_unicast+0x449/0x710 [ 7185.946596][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.946596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.946596][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.946596][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.946596][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.946596][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.946596][ T73] [ 7185.948860][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7185.948860][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.948860][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.948860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.948860][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7185.948860][ T73] ipv6_add_addr+0x411/0x2000 [ 7185.948860][ T73] inet6_addr_add+0x30e/0xa40 [ 7185.948860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.948860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.948860][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.948860][ T73] netlink_unicast+0x449/0x710 [ 7185.948860][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.948860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.948860][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.948860][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.948860][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.948860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.948860][ T73] [ 7185.951167][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7185.951167][ T73] netdev_get_by_index+0x5e/0x80 [ 7185.951167][ T73] fib6_nh_init+0x3d8/0x1580 [ 7185.951167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7185.951167][ T73] ip6_route_add+0x1c/0x140 [ 7185.951167][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7185.951167][ T73] addrconf_add_dev+0xe2/0x170 [ 7185.951167][ T73] inet6_addr_add+0x12f/0xa40 [ 7185.951167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7185.951167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.951167][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.951167][ T73] netlink_unicast+0x449/0x710 [ 7185.951167][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.951167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.951167][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.951167][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.951167][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.951167][ T73] [ 7185.953341][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7185.953341][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7185.953341][ T73] ipv6_find_idev+0x102/0x170 [ 7185.953341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.953341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.953341][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.953341][ T73] netlink_unicast+0x449/0x710 [ 7185.953341][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.953341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.953341][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.953341][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.953341][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.953341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.953341][ T73] [ 7185.955016][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7185.955016][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7185.955016][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7185.955016][ T73] ipv6_find_idev+0x102/0x170 [ 7185.955016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7185.955016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7185.955016][ T73] netlink_rcv_skb+0x130/0x360 [ 7185.955016][ T73] netlink_unicast+0x449/0x710 [ 7185.955016][ T73] netlink_sendmsg+0x723/0xbe0 [ 7185.955016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7185.955016][ T73] ___sys_sendmsg+0xee/0x170 [ 7185.955016][ T73] __sys_sendmsg+0xcd/0x170 [ 7185.955016][ T73] do_syscall_64+0xc6/0x1e0 [ 7185.955016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7185.955016][ T73] [ 7196.118939][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7196.119411][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.119411][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7196.119411][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7196.119411][ T73] fib6_nh_init+0xa22/0x1580 [ 7196.119411][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.119411][ T73] ip6_route_add+0x1c/0x140 [ 7196.119411][ T73] inet6_rtm_newroute+0x104/0x110 [ 7196.119411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.119411][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.119411][ T73] netlink_unicast+0x449/0x710 [ 7196.119411][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.119411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.119411][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.119411][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.119411][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.119411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.119411][ T73] [ 7196.121289][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.121289][ T73] dst_init+0x84/0x4a0 [ 7196.121289][ T73] dst_alloc+0x97/0x150 [ 7196.121289][ T73] ip6_dst_alloc+0x23/0x90 [ 7196.121289][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7196.121289][ T73] ip6_pol_route+0x56f/0x840 [ 7196.121289][ T73] fib6_rule_lookup+0x456/0x630 [ 7196.121289][ T73] ip6_route_input+0x59c/0xa50 [ 7196.121289][ T73] ipv6_rcv+0x397/0x810 [ 7196.121289][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7196.121289][ T73] process_backlog+0x101/0x620 [ 7196.121289][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7196.121289][ T73] net_rx_action+0x495/0xbe0 [ 7196.121289][ T73] __do_softirq+0x1b5/0x7f6 [ 7196.121289][ T73] [ 7196.123043][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.123043][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.123043][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.123043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.123043][ T73] ip6_route_add+0x1c/0x140 [ 7196.123043][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7196.123043][ T73] inet6_addr_add+0x4f8/0xa40 [ 7196.123043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.123043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.123043][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.123043][ T73] netlink_unicast+0x449/0x710 [ 7196.123043][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.123043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.123043][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.123043][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.123043][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.123043][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.123043][ T73] [ 7196.125077][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.125077][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.125077][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.125077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.125077][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7196.125077][ T73] ipv6_add_addr+0x411/0x2000 [ 7196.125077][ T73] inet6_addr_add+0x30e/0xa40 [ 7196.125077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.125077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.125077][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.125077][ T73] netlink_unicast+0x449/0x710 [ 7196.125077][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.125077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.125077][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.125077][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.125077][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.125077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.125077][ T73] [ 7196.127087][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.127087][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.127087][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.127087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.127087][ T73] ip6_route_add+0x1c/0x140 [ 7196.127087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.127087][ T73] addrconf_add_dev+0xe2/0x170 [ 7196.127087][ T73] inet6_addr_add+0x12f/0xa40 [ 7196.127087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.127087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.127087][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.127087][ T73] netlink_unicast+0x449/0x710 [ 7196.127087][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.127087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.127087][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.127087][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.127087][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.127087][ T73] [ 7196.129077][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.129077][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7196.129077][ T73] ipv6_find_idev+0x102/0x170 [ 7196.129077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.129077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.129077][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.129077][ T73] netlink_unicast+0x449/0x710 [ 7196.129077][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.129077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.129077][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.129077][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.129077][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.129077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.129077][ T73] [ 7196.130638][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7196.130638][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7196.130638][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7196.130638][ T73] ipv6_find_idev+0x102/0x170 [ 7196.130638][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.130638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.130638][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.130638][ T73] netlink_unicast+0x449/0x710 [ 7196.130638][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.130638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.130638][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.130638][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.130638][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.130638][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.130638][ T73] [ 7196.132354][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7196.132659][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.132659][ T73] dst_init+0x84/0x4a0 [ 7196.132659][ T73] dst_alloc+0x97/0x150 [ 7196.132659][ T73] ip6_dst_alloc+0x23/0x90 [ 7196.132659][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7196.132659][ T73] ip6_pol_route+0x56f/0x840 [ 7196.132659][ T73] fib6_rule_lookup+0x456/0x630 [ 7196.132659][ T73] ip6_route_input+0x59c/0xa50 [ 7196.132659][ T73] ipv6_rcv+0x397/0x810 [ 7196.132659][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7196.132659][ T73] process_backlog+0x101/0x620 [ 7196.132659][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7196.132659][ T73] net_rx_action+0x495/0xbe0 [ 7196.132659][ T73] __do_softirq+0x1b5/0x7f6 [ 7196.132659][ T73] [ 7196.134301][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.134301][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.134301][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.134301][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.134301][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7196.134301][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7196.134301][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7196.134301][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7196.134301][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7196.134301][ T73] addrconf_dad_begin+0x310/0x670 [ 7196.134301][ T73] addrconf_dad_work+0x10b/0xab0 [ 7196.134301][ T73] process_one_work+0x84d/0x18a0 [ 7196.134301][ T73] worker_thread+0x587/0xd30 [ 7196.134301][ T73] kthread+0x28a/0x350 [ 7196.134301][ T73] ret_from_fork+0x31/0x70 [ 7196.134301][ T73] ret_from_fork_asm+0x1a/0x30 [ 7196.134301][ T73] [ 7196.136183][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.136183][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.136183][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.136183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.136183][ T73] ip6_route_add+0x1c/0x140 [ 7196.136183][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7196.136183][ T73] inet6_addr_add+0x4f8/0xa40 [ 7196.136183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.136183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.136183][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.136183][ T73] netlink_unicast+0x449/0x710 [ 7196.136183][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.136183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.136183][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.136183][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.136183][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.136183][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.136183][ T73] [ 7196.138205][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.138205][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.138205][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.138205][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.138205][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7196.138205][ T73] ipv6_add_addr+0x411/0x2000 [ 7196.138205][ T73] inet6_addr_add+0x30e/0xa40 [ 7196.138205][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.138205][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.138205][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.138205][ T73] netlink_unicast+0x449/0x710 [ 7196.138205][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.138205][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.138205][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.138205][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.138205][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.138205][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.138205][ T73] [ 7196.140209][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.140209][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.140209][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.140209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.140209][ T73] ip6_route_add+0x1c/0x140 [ 7196.140209][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.140209][ T73] addrconf_add_dev+0xe2/0x170 [ 7196.140209][ T73] inet6_addr_add+0x12f/0xa40 [ 7196.140209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.140209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.140209][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.140209][ T73] netlink_unicast+0x449/0x710 [ 7196.140209][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.140209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.140209][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.140209][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.140209][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.140209][ T73] [ 7196.142182][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.142182][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7196.142182][ T73] ipv6_find_idev+0x102/0x170 [ 7196.142182][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.142182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.142182][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.142182][ T73] netlink_unicast+0x449/0x710 [ 7196.142182][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.142182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.142182][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.142182][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.142182][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.142182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.142182][ T73] [ 7196.143732][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7196.143732][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7196.143732][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7196.143732][ T73] ipv6_find_idev+0x102/0x170 [ 7196.143732][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.143732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.143732][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.143732][ T73] netlink_unicast+0x449/0x710 [ 7196.143732][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.143732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.143732][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.143732][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.143732][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.143732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.143732][ T73] [ 7196.145492][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7196.145839][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.145839][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7196.145839][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7196.145839][ T73] fib6_nh_init+0xa22/0x1580 [ 7196.145839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.145839][ T73] ip6_route_add+0x1c/0x140 [ 7196.145839][ T73] inet6_rtm_newroute+0x104/0x110 [ 7196.145839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.145839][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.145839][ T73] netlink_unicast+0x449/0x710 [ 7196.145839][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.145839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.145839][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.145839][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.145839][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.145839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.145839][ T73] [ 7196.148019][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.148019][ T73] dst_init+0x84/0x4a0 [ 7196.148019][ T73] dst_alloc+0x97/0x150 [ 7196.148019][ T73] ip6_dst_alloc+0x23/0x90 [ 7196.148019][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7196.148019][ T73] ip6_pol_route+0x56f/0x840 [ 7196.148019][ T73] fib6_rule_lookup+0x456/0x630 [ 7196.148019][ T73] ip6_route_input+0x59c/0xa50 [ 7196.148019][ T73] ipv6_rcv+0x397/0x810 [ 7196.148019][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7196.148019][ T73] process_backlog+0x101/0x620 [ 7196.148019][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7196.148019][ T73] net_rx_action+0x495/0xbe0 [ 7196.148019][ T73] __do_softirq+0x1b5/0x7f6 [ 7196.148019][ T73] [ 7196.149866][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.149866][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.149866][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.149866][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.149866][ T73] ip6_route_add+0x1c/0x140 [ 7196.149866][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7196.149866][ T73] inet6_addr_add+0x4f8/0xa40 [ 7196.149866][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.149866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.149866][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.149866][ T73] netlink_unicast+0x449/0x710 [ 7196.149866][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.149866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.149866][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.149866][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.149866][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.149866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.149866][ T73] [ 7196.152117][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.152117][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.152117][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.152117][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.152117][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7196.152117][ T73] ipv6_add_addr+0x411/0x2000 [ 7196.152117][ T73] inet6_addr_add+0x30e/0xa40 [ 7196.152117][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.152117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.152117][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.152117][ T73] netlink_unicast+0x449/0x710 [ 7196.152117][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.152117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.152117][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.152117][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.152117][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.152117][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.152117][ T73] [ 7196.154375][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.154375][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.154375][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.154375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.154375][ T73] ip6_route_add+0x1c/0x140 [ 7196.154375][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.154375][ T73] addrconf_add_dev+0xe2/0x170 [ 7196.154375][ T73] inet6_addr_add+0x12f/0xa40 [ 7196.154375][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.154375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.154375][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.154375][ T73] netlink_unicast+0x449/0x710 [ 7196.154375][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.154375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.154375][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.154375][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.154375][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.154375][ T73] [ 7196.156671][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.156671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7196.156671][ T73] ipv6_find_idev+0x102/0x170 [ 7196.156671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.156671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.156671][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.156671][ T73] netlink_unicast+0x449/0x710 [ 7196.156671][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.156671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.156671][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.156671][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.156671][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.156671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.156671][ T73] [ 7196.158404][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7196.158404][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7196.158404][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7196.158404][ T73] ipv6_find_idev+0x102/0x170 [ 7196.158404][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.158404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.158404][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.158404][ T73] netlink_unicast+0x449/0x710 [ 7196.158404][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.158404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.158404][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.158404][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.158404][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.158404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.158404][ T73] [ 7196.160299][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7196.160570][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7196.160570][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.160570][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.160570][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.160570][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7196.160570][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7196.160570][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7196.160570][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7196.160570][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7196.160570][ T73] addrconf_dad_begin+0x310/0x670 [ 7196.160570][ T73] addrconf_dad_work+0x10b/0xab0 [ 7196.160570][ T73] process_one_work+0x84d/0x18a0 [ 7196.160570][ T73] worker_thread+0x587/0xd30 [ 7196.160570][ T73] kthread+0x28a/0x350 [ 7196.160570][ T73] ret_from_fork+0x31/0x70 [ 7196.160570][ T73] ret_from_fork_asm+0x1a/0x30 [ 7196.160570][ T73] [ 7196.162746][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7196.162746][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.162746][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.162746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.162746][ T73] ip6_route_add+0x1c/0x140 [ 7196.162746][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7196.162746][ T73] inet6_addr_add+0x4f8/0xa40 [ 7196.162746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.162746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.162746][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.162746][ T73] netlink_unicast+0x449/0x710 [ 7196.162746][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.162746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.162746][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.162746][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.162746][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.162746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.162746][ T73] [ 7196.164968][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7196.164968][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.164968][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.164968][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.164968][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7196.164968][ T73] ipv6_add_addr+0x411/0x2000 [ 7196.164968][ T73] inet6_addr_add+0x30e/0xa40 [ 7196.164968][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.164968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.164968][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.164968][ T73] netlink_unicast+0x449/0x710 [ 7196.164968][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.164968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.164968][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.164968][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.164968][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.164968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.164968][ T73] [ 7196.167273][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7196.167273][ T73] netdev_get_by_index+0x5e/0x80 [ 7196.167273][ T73] fib6_nh_init+0x3d8/0x1580 [ 7196.167273][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7196.167273][ T73] ip6_route_add+0x1c/0x140 [ 7196.167273][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.167273][ T73] addrconf_add_dev+0xe2/0x170 [ 7196.167273][ T73] inet6_addr_add+0x12f/0xa40 [ 7196.167273][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.167273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.167273][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.167273][ T73] netlink_unicast+0x449/0x710 [ 7196.167273][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.167273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.167273][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.167273][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.167273][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.167273][ T73] [ 7196.169490][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7196.169490][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7196.169490][ T73] ipv6_find_idev+0x102/0x170 [ 7196.169490][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.169490][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.169490][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.169490][ T73] netlink_unicast+0x449/0x710 [ 7196.169490][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.169490][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.169490][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.169490][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.169490][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.169490][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.169490][ T73] [ 7196.171168][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7196.171168][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7196.171168][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7196.171168][ T73] ipv6_find_idev+0x102/0x170 [ 7196.171168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.171168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.171168][ T73] netlink_rcv_skb+0x130/0x360 [ 7196.171168][ T73] netlink_unicast+0x449/0x710 [ 7196.171168][ T73] netlink_sendmsg+0x723/0xbe0 [ 7196.171168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7196.171168][ T73] ___sys_sendmsg+0xee/0x170 [ 7196.171168][ T73] __sys_sendmsg+0xcd/0x170 [ 7196.171168][ T73] do_syscall_64+0xc6/0x1e0 [ 7196.171168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.171168][ T73] [ 7206.294893][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7206.295372][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.295372][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7206.295372][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7206.295372][ T73] fib6_nh_init+0xa22/0x1580 [ 7206.295372][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.295372][ T73] ip6_route_add+0x1c/0x140 [ 7206.295372][ T73] inet6_rtm_newroute+0x104/0x110 [ 7206.295372][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.295372][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.295372][ T73] netlink_unicast+0x449/0x710 [ 7206.295372][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.295372][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.295372][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.295372][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.295372][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.295372][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.295372][ T73] [ 7206.297284][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.297284][ T73] dst_init+0x84/0x4a0 [ 7206.297284][ T73] dst_alloc+0x97/0x150 [ 7206.297284][ T73] ip6_dst_alloc+0x23/0x90 [ 7206.297284][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7206.297284][ T73] ip6_pol_route+0x56f/0x840 [ 7206.297284][ T73] fib6_rule_lookup+0x456/0x630 [ 7206.297284][ T73] ip6_route_input+0x59c/0xa50 [ 7206.297284][ T73] ipv6_rcv+0x397/0x810 [ 7206.297284][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7206.297284][ T73] process_backlog+0x101/0x620 [ 7206.297284][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7206.297284][ T73] net_rx_action+0x495/0xbe0 [ 7206.297284][ T73] __do_softirq+0x1b5/0x7f6 [ 7206.297284][ T73] [ 7206.298948][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.298948][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.298948][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.298948][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.298948][ T73] ip6_route_add+0x1c/0x140 [ 7206.298948][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7206.298948][ T73] inet6_addr_add+0x4f8/0xa40 [ 7206.298948][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.298948][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.298948][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.298948][ T73] netlink_unicast+0x449/0x710 [ 7206.298948][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.298948][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.298948][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.298948][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.298948][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.298948][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.298948][ T73] [ 7206.300997][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.300997][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.300997][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.300997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.300997][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7206.300997][ T73] ipv6_add_addr+0x411/0x2000 [ 7206.300997][ T73] inet6_addr_add+0x30e/0xa40 [ 7206.300997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.300997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.300997][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.300997][ T73] netlink_unicast+0x449/0x710 [ 7206.300997][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.300997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.300997][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.300997][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.300997][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.300997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.300997][ T73] [ 7206.303041][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.303041][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.303041][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.303041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.303041][ T73] ip6_route_add+0x1c/0x140 [ 7206.303041][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.303041][ T73] addrconf_add_dev+0xe2/0x170 [ 7206.303041][ T73] inet6_addr_add+0x12f/0xa40 [ 7206.303041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.303041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.303041][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.303041][ T73] netlink_unicast+0x449/0x710 [ 7206.303041][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.303041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.303041][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.303041][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.303041][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.303041][ T73] [ 7206.305035][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.305035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7206.305035][ T73] ipv6_find_idev+0x102/0x170 [ 7206.305035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.305035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.305035][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.305035][ T73] netlink_unicast+0x449/0x710 [ 7206.305035][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.305035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.305035][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.305035][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.305035][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.305035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.305035][ T73] [ 7206.306625][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7206.306625][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7206.306625][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7206.306625][ T73] ipv6_find_idev+0x102/0x170 [ 7206.306625][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.306625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.306625][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.306625][ T73] netlink_unicast+0x449/0x710 [ 7206.306625][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.306625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.306625][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.306625][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.306625][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.306625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.306625][ T73] [ 7206.308347][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7206.308634][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.308634][ T73] dst_init+0x84/0x4a0 [ 7206.308634][ T73] dst_alloc+0x97/0x150 [ 7206.308634][ T73] ip6_dst_alloc+0x23/0x90 [ 7206.308634][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7206.308634][ T73] ip6_pol_route+0x56f/0x840 [ 7206.308634][ T73] fib6_rule_lookup+0x456/0x630 [ 7206.308634][ T73] ip6_route_input+0x59c/0xa50 [ 7206.308634][ T73] ipv6_rcv+0x397/0x810 [ 7206.308634][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7206.308634][ T73] process_backlog+0x101/0x620 [ 7206.308634][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7206.308634][ T73] net_rx_action+0x495/0xbe0 [ 7206.308634][ T73] __do_softirq+0x1b5/0x7f6 [ 7206.308634][ T73] [ 7206.310287][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.310287][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.310287][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.310287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.310287][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7206.310287][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7206.310287][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7206.310287][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7206.310287][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7206.310287][ T73] addrconf_dad_begin+0x310/0x670 [ 7206.310287][ T73] addrconf_dad_work+0x10b/0xab0 [ 7206.310287][ T73] process_one_work+0x84d/0x18a0 [ 7206.310287][ T73] worker_thread+0x587/0xd30 [ 7206.310287][ T73] kthread+0x28a/0x350 [ 7206.310287][ T73] ret_from_fork+0x31/0x70 [ 7206.310287][ T73] ret_from_fork_asm+0x1a/0x30 [ 7206.310287][ T73] [ 7206.312216][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.312216][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.312216][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.312216][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.312216][ T73] ip6_route_add+0x1c/0x140 [ 7206.312216][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7206.312216][ T73] inet6_addr_add+0x4f8/0xa40 [ 7206.312216][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.312216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.312216][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.312216][ T73] netlink_unicast+0x449/0x710 [ 7206.312216][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.312216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.312216][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.312216][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.312216][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.312216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.312216][ T73] [ 7206.314240][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.314240][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.314240][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.314240][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.314240][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7206.314240][ T73] ipv6_add_addr+0x411/0x2000 [ 7206.314240][ T73] inet6_addr_add+0x30e/0xa40 [ 7206.314240][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.314240][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.314240][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.314240][ T73] netlink_unicast+0x449/0x710 [ 7206.314240][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.314240][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.314240][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.314240][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.314240][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.314240][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.314240][ T73] [ 7206.316270][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.316270][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.316270][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.316270][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.316270][ T73] ip6_route_add+0x1c/0x140 [ 7206.316270][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.316270][ T73] addrconf_add_dev+0xe2/0x170 [ 7206.316270][ T73] inet6_addr_add+0x12f/0xa40 [ 7206.316270][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.316270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.316270][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.316270][ T73] netlink_unicast+0x449/0x710 [ 7206.316270][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.316270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.316270][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.316270][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.316270][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.316270][ T73] [ 7206.318267][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.318267][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7206.318267][ T73] ipv6_find_idev+0x102/0x170 [ 7206.318267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.318267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.318267][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.318267][ T73] netlink_unicast+0x449/0x710 [ 7206.318267][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.318267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.318267][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.318267][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.318267][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.318267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.318267][ T73] [ 7206.319799][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7206.319799][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7206.319799][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7206.319799][ T73] ipv6_find_idev+0x102/0x170 [ 7206.319799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.319799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.319799][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.319799][ T73] netlink_unicast+0x449/0x710 [ 7206.319799][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.319799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.319799][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.319799][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.319799][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.319799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.319799][ T73] [ 7206.321515][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7206.321901][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.321901][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7206.321901][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7206.321901][ T73] fib6_nh_init+0xa22/0x1580 [ 7206.321901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.321901][ T73] ip6_route_add+0x1c/0x140 [ 7206.321901][ T73] inet6_rtm_newroute+0x104/0x110 [ 7206.321901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.321901][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.321901][ T73] netlink_unicast+0x449/0x710 [ 7206.321901][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.321901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.321901][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.321901][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.321901][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.321901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.321901][ T73] [ 7206.323971][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.323971][ T73] dst_init+0x84/0x4a0 [ 7206.323971][ T73] dst_alloc+0x97/0x150 [ 7206.323971][ T73] ip6_dst_alloc+0x23/0x90 [ 7206.323971][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7206.323971][ T73] ip6_pol_route+0x56f/0x840 [ 7206.323971][ T73] fib6_rule_lookup+0x456/0x630 [ 7206.323971][ T73] ip6_route_input+0x59c/0xa50 [ 7206.323971][ T73] ipv6_rcv+0x397/0x810 [ 7206.323971][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7206.323971][ T73] process_backlog+0x101/0x620 [ 7206.323971][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7206.323971][ T73] net_rx_action+0x495/0xbe0 [ 7206.323971][ T73] __do_softirq+0x1b5/0x7f6 [ 7206.323971][ T73] [ 7206.325807][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.325807][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.325807][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.325807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.325807][ T73] ip6_route_add+0x1c/0x140 [ 7206.325807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7206.325807][ T73] inet6_addr_add+0x4f8/0xa40 [ 7206.325807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.325807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.325807][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.325807][ T73] netlink_unicast+0x449/0x710 [ 7206.325807][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.325807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.325807][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.325807][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.325807][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.325807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.325807][ T73] [ 7206.328094][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.328094][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.328094][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.328094][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.328094][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7206.328094][ T73] ipv6_add_addr+0x411/0x2000 [ 7206.328094][ T73] inet6_addr_add+0x30e/0xa40 [ 7206.328094][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.328094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.328094][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.328094][ T73] netlink_unicast+0x449/0x710 [ 7206.328094][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.328094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.328094][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.328094][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.328094][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.328094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.328094][ T73] [ 7206.330375][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.330375][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.330375][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.330375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.330375][ T73] ip6_route_add+0x1c/0x140 [ 7206.330375][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.330375][ T73] addrconf_add_dev+0xe2/0x170 [ 7206.330375][ T73] inet6_addr_add+0x12f/0xa40 [ 7206.330375][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.330375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.330375][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.330375][ T73] netlink_unicast+0x449/0x710 [ 7206.330375][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.330375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.330375][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.330375][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.330375][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.330375][ T73] [ 7206.332674][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.332674][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7206.332674][ T73] ipv6_find_idev+0x102/0x170 [ 7206.332674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.332674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.332674][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.332674][ T73] netlink_unicast+0x449/0x710 [ 7206.332674][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.332674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.332674][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.332674][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.332674][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.332674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.332674][ T73] [ 7206.334433][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7206.334433][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7206.334433][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7206.334433][ T73] ipv6_find_idev+0x102/0x170 [ 7206.334433][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.334433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.334433][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.334433][ T73] netlink_unicast+0x449/0x710 [ 7206.334433][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.334433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.334433][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.334433][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.334433][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.334433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.334433][ T73] [ 7206.336344][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7206.336620][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7206.336620][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.336620][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.336620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.336620][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7206.336620][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7206.336620][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7206.336620][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7206.336620][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7206.336620][ T73] addrconf_dad_begin+0x310/0x670 [ 7206.336620][ T73] addrconf_dad_work+0x10b/0xab0 [ 7206.336620][ T73] process_one_work+0x84d/0x18a0 [ 7206.336620][ T73] worker_thread+0x587/0xd30 [ 7206.336620][ T73] kthread+0x28a/0x350 [ 7206.336620][ T73] ret_from_fork+0x31/0x70 [ 7206.336620][ T73] ret_from_fork_asm+0x1a/0x30 [ 7206.336620][ T73] [ 7206.338805][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7206.338805][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.338805][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.338805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.338805][ T73] ip6_route_add+0x1c/0x140 [ 7206.338805][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7206.338805][ T73] inet6_addr_add+0x4f8/0xa40 [ 7206.338805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.338805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.338805][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.338805][ T73] netlink_unicast+0x449/0x710 [ 7206.338805][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.338805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.338805][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.338805][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.338805][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.338805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.338805][ T73] [ 7206.341089][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7206.341089][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.341089][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.341089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.341089][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7206.341089][ T73] ipv6_add_addr+0x411/0x2000 [ 7206.341089][ T73] inet6_addr_add+0x30e/0xa40 [ 7206.341089][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.341089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.341089][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.341089][ T73] netlink_unicast+0x449/0x710 [ 7206.341089][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.341089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.341089][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.341089][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.341089][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.341089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.341089][ T73] [ 7206.343410][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7206.343410][ T73] netdev_get_by_index+0x5e/0x80 [ 7206.343410][ T73] fib6_nh_init+0x3d8/0x1580 [ 7206.343410][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7206.343410][ T73] ip6_route_add+0x1c/0x140 [ 7206.343410][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.343410][ T73] addrconf_add_dev+0xe2/0x170 [ 7206.343410][ T73] inet6_addr_add+0x12f/0xa40 [ 7206.343410][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.343410][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.343410][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.343410][ T73] netlink_unicast+0x449/0x710 [ 7206.343410][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.343410][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.343410][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.343410][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.343410][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.343410][ T73] [ 7206.345633][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7206.345633][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7206.345633][ T73] ipv6_find_idev+0x102/0x170 [ 7206.345633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.345633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.345633][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.345633][ T73] netlink_unicast+0x449/0x710 [ 7206.345633][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.345633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.345633][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.345633][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.345633][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.345633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.345633][ T73] [ 7206.347307][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7206.347307][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7206.347307][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7206.347307][ T73] ipv6_find_idev+0x102/0x170 [ 7206.347307][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.347307][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.347307][ T73] netlink_rcv_skb+0x130/0x360 [ 7206.347307][ T73] netlink_unicast+0x449/0x710 [ 7206.347307][ T73] netlink_sendmsg+0x723/0xbe0 [ 7206.347307][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7206.347307][ T73] ___sys_sendmsg+0xee/0x170 [ 7206.347307][ T73] __sys_sendmsg+0xcd/0x170 [ 7206.347307][ T73] do_syscall_64+0xc6/0x1e0 [ 7206.347307][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.347307][ T73] [ 7216.590914][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7216.591353][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.591353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7216.591353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7216.591353][ T73] fib6_nh_init+0xa22/0x1580 [ 7216.591353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.591353][ T73] ip6_route_add+0x1c/0x140 [ 7216.591353][ T73] inet6_rtm_newroute+0x104/0x110 [ 7216.591353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.591353][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.591353][ T73] netlink_unicast+0x449/0x710 [ 7216.591353][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.591353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.591353][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.591353][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.591353][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.591353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.591353][ T73] [ 7216.593238][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.593238][ T73] dst_init+0x84/0x4a0 [ 7216.593238][ T73] dst_alloc+0x97/0x150 [ 7216.593238][ T73] ip6_dst_alloc+0x23/0x90 [ 7216.593238][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7216.593238][ T73] ip6_pol_route+0x56f/0x840 [ 7216.593238][ T73] fib6_rule_lookup+0x456/0x630 [ 7216.593238][ T73] ip6_route_input+0x59c/0xa50 [ 7216.593238][ T73] ipv6_rcv+0x397/0x810 [ 7216.593238][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7216.593238][ T73] process_backlog+0x101/0x620 [ 7216.593238][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7216.593238][ T73] net_rx_action+0x495/0xbe0 [ 7216.593238][ T73] __do_softirq+0x1b5/0x7f6 [ 7216.593238][ T73] [ 7216.594898][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.594898][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.594898][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.594898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.594898][ T73] ip6_route_add+0x1c/0x140 [ 7216.594898][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7216.594898][ T73] inet6_addr_add+0x4f8/0xa40 [ 7216.594898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.594898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.594898][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.594898][ T73] netlink_unicast+0x449/0x710 [ 7216.594898][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.594898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.594898][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.594898][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.594898][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.594898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.594898][ T73] [ 7216.596886][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.596886][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.596886][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.596886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.596886][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7216.596886][ T73] ipv6_add_addr+0x411/0x2000 [ 7216.596886][ T73] inet6_addr_add+0x30e/0xa40 [ 7216.596886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.596886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.596886][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.596886][ T73] netlink_unicast+0x449/0x710 [ 7216.596886][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.596886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.596886][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.596886][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.596886][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.596886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.596886][ T73] [ 7216.598891][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.598891][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.598891][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.598891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.598891][ T73] ip6_route_add+0x1c/0x140 [ 7216.598891][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7216.598891][ T73] addrconf_add_dev+0xe2/0x170 [ 7216.598891][ T73] inet6_addr_add+0x12f/0xa40 [ 7216.598891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.598891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.598891][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.598891][ T73] netlink_unicast+0x449/0x710 [ 7216.598891][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.598891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.598891][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.598891][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.598891][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.598891][ T73] [ 7216.600901][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.600901][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7216.600901][ T73] ipv6_find_idev+0x102/0x170 [ 7216.600901][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.600901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.600901][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.600901][ T73] netlink_unicast+0x449/0x710 [ 7216.600901][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.600901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.600901][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.600901][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.600901][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.600901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.600901][ T73] [ 7216.602434][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7216.602434][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7216.602434][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7216.602434][ T73] ipv6_find_idev+0x102/0x170 [ 7216.602434][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.602434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.602434][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.602434][ T73] netlink_unicast+0x449/0x710 [ 7216.602434][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.602434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.602434][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.602434][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.602434][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.602434][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.602434][ T73] [ 7216.604112][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7216.604377][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.604377][ T73] dst_init+0x84/0x4a0 [ 7216.604377][ T73] dst_alloc+0x97/0x150 [ 7216.604377][ T73] ip6_dst_alloc+0x23/0x90 [ 7216.604377][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7216.604377][ T73] ip6_pol_route+0x56f/0x840 [ 7216.604377][ T73] fib6_rule_lookup+0x456/0x630 [ 7216.604377][ T73] ip6_route_input+0x59c/0xa50 [ 7216.604377][ T73] ipv6_rcv+0x397/0x810 [ 7216.604377][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7216.604377][ T73] process_backlog+0x101/0x620 [ 7216.604377][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7216.604377][ T73] net_rx_action+0x495/0xbe0 [ 7216.604377][ T73] __do_softirq+0x1b5/0x7f6 [ 7216.604377][ T73] [ 7216.606015][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.606015][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.606015][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.606015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.606015][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7216.606015][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7216.606015][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7216.606015][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7216.606015][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7216.606015][ T73] addrconf_dad_begin+0x310/0x670 [ 7216.606015][ T73] addrconf_dad_work+0x10b/0xab0 [ 7216.606015][ T73] process_one_work+0x84d/0x18a0 [ 7216.606015][ T73] worker_thread+0x587/0xd30 [ 7216.606015][ T73] kthread+0x28a/0x350 [ 7216.606015][ T73] ret_from_fork+0x31/0x70 [ 7216.606015][ T73] ret_from_fork_asm+0x1a/0x30 [ 7216.606015][ T73] [ 7216.607920][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.607920][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.607920][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.607920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.607920][ T73] ip6_route_add+0x1c/0x140 [ 7216.607920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7216.607920][ T73] inet6_addr_add+0x4f8/0xa40 [ 7216.607920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.607920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.607920][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.607920][ T73] netlink_unicast+0x449/0x710 [ 7216.607920][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.607920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.607920][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.607920][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.607920][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.607920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.607920][ T73] [ 7216.609905][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.609905][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.609905][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.609905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.609905][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7216.609905][ T73] ipv6_add_addr+0x411/0x2000 [ 7216.609905][ T73] inet6_addr_add+0x30e/0xa40 [ 7216.609905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.609905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.609905][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.609905][ T73] netlink_unicast+0x449/0x710 [ 7216.609905][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.609905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.609905][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.609905][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.609905][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.609905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.609905][ T73] [ 7216.611926][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.611926][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.611926][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.611926][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.611926][ T73] ip6_route_add+0x1c/0x140 [ 7216.611926][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7216.611926][ T73] addrconf_add_dev+0xe2/0x170 [ 7216.611926][ T73] inet6_addr_add+0x12f/0xa40 [ 7216.611926][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.611926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.611926][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.611926][ T73] netlink_unicast+0x449/0x710 [ 7216.611926][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.611926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.611926][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.611926][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.611926][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.611926][ T73] [ 7216.613872][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.613872][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7216.613872][ T73] ipv6_find_idev+0x102/0x170 [ 7216.613872][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.613872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.613872][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.613872][ T73] netlink_unicast+0x449/0x710 [ 7216.613872][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.613872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.613872][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.613872][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.613872][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.613872][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.613872][ T73] [ 7216.615406][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7216.615406][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7216.615406][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7216.615406][ T73] ipv6_find_idev+0x102/0x170 [ 7216.615406][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.615406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.615406][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.615406][ T73] netlink_unicast+0x449/0x710 [ 7216.615406][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.615406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.615406][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.615406][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.615406][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.615406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.615406][ T73] [ 7216.617206][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7216.617537][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.617537][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7216.617537][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7216.617537][ T73] fib6_nh_init+0xa22/0x1580 [ 7216.617537][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.617537][ T73] ip6_route_add+0x1c/0x140 [ 7216.617537][ T73] inet6_rtm_newroute+0x104/0x110 [ 7216.617537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.617537][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.617537][ T73] netlink_unicast+0x449/0x710 [ 7216.617537][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.617537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.617537][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.617537][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.617537][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.617537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.617537][ T73] [ 7216.619643][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.619643][ T73] dst_init+0x84/0x4a0 [ 7216.619643][ T73] dst_alloc+0x97/0x150 [ 7216.619643][ T73] ip6_dst_alloc+0x23/0x90 [ 7216.619643][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7216.619643][ T73] ip6_pol_route+0x56f/0x840 [ 7216.619643][ T73] fib6_rule_lookup+0x456/0x630 [ 7216.619643][ T73] ip6_route_input+0x59c/0xa50 [ 7216.619643][ T73] ipv6_rcv+0x397/0x810 [ 7216.619643][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7216.619643][ T73] process_backlog+0x101/0x620 [ 7216.619643][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7216.619643][ T73] net_rx_action+0x495/0xbe0 [ 7216.619643][ T73] __do_softirq+0x1b5/0x7f6 [ 7216.619643][ T73] [ 7216.621445][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.621445][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.621445][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.621445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.621445][ T73] ip6_route_add+0x1c/0x140 [ 7216.621445][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7216.621445][ T73] inet6_addr_add+0x4f8/0xa40 [ 7216.621445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.621445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.621445][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.621445][ T73] netlink_unicast+0x449/0x710 [ 7216.621445][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.621445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.621445][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.621445][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.621445][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.621445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.621445][ T73] [ 7216.623673][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.623673][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.623673][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.623673][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.623673][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7216.623673][ T73] ipv6_add_addr+0x411/0x2000 [ 7216.623673][ T73] inet6_addr_add+0x30e/0xa40 [ 7216.623673][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.623673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.623673][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.623673][ T73] netlink_unicast+0x449/0x710 [ 7216.623673][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.623673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.623673][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.623673][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.623673][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.623673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.623673][ T73] [ 7216.625913][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.625913][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.625913][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.625913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.625913][ T73] ip6_route_add+0x1c/0x140 [ 7216.625913][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7216.625913][ T73] addrconf_add_dev+0xe2/0x170 [ 7216.625913][ T73] inet6_addr_add+0x12f/0xa40 [ 7216.625913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.625913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.625913][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.625913][ T73] netlink_unicast+0x449/0x710 [ 7216.625913][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.625913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.625913][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.625913][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.625913][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.625913][ T73] [ 7216.628168][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.628168][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7216.628168][ T73] ipv6_find_idev+0x102/0x170 [ 7216.628168][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.628168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.628168][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.628168][ T73] netlink_unicast+0x449/0x710 [ 7216.628168][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.628168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.628168][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.628168][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.628168][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.628168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.628168][ T73] [ 7216.629882][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7216.629882][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7216.629882][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7216.629882][ T73] ipv6_find_idev+0x102/0x170 [ 7216.629882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.629882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.629882][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.629882][ T73] netlink_unicast+0x449/0x710 [ 7216.629882][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.629882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.629882][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.629882][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.629882][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.629882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.629882][ T73] [ 7216.631770][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7216.632065][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7216.632065][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.632065][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.632065][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.632065][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7216.632065][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7216.632065][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7216.632065][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7216.632065][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7216.632065][ T73] addrconf_dad_begin+0x310/0x670 [ 7216.632065][ T73] addrconf_dad_work+0x10b/0xab0 [ 7216.632065][ T73] process_one_work+0x84d/0x18a0 [ 7216.632065][ T73] worker_thread+0x587/0xd30 [ 7216.632065][ T73] kthread+0x28a/0x350 [ 7216.632065][ T73] ret_from_fork+0x31/0x70 [ 7216.632065][ T73] ret_from_fork_asm+0x1a/0x30 [ 7216.632065][ T73] [ 7216.634208][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7216.634208][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.634208][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.634208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.634208][ T73] ip6_route_add+0x1c/0x140 [ 7216.634208][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7216.634208][ T73] inet6_addr_add+0x4f8/0xa40 [ 7216.634208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.634208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.634208][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.634208][ T73] netlink_unicast+0x449/0x710 [ 7216.634208][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.634208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.634208][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.634208][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.634208][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.634208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.634208][ T73] [ 7216.636436][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7216.636436][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.636436][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.636436][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.636436][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7216.636436][ T73] ipv6_add_addr+0x411/0x2000 [ 7216.636436][ T73] inet6_addr_add+0x30e/0xa40 [ 7216.636436][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.636436][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.636436][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.636436][ T73] netlink_unicast+0x449/0x710 [ 7216.636436][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.636436][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.636436][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.636436][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.636436][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.636436][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.636436][ T73] [ 7216.638729][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7216.638729][ T73] netdev_get_by_index+0x5e/0x80 [ 7216.638729][ T73] fib6_nh_init+0x3d8/0x1580 [ 7216.638729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7216.638729][ T73] ip6_route_add+0x1c/0x140 [ 7216.638729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7216.638729][ T73] addrconf_add_dev+0xe2/0x170 [ 7216.638729][ T73] inet6_addr_add+0x12f/0xa40 [ 7216.638729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7216.638729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.638729][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.638729][ T73] netlink_unicast+0x449/0x710 [ 7216.638729][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.638729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.638729][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.638729][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.638729][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.638729][ T73] [ 7216.640858][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7216.640858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7216.640858][ T73] ipv6_find_idev+0x102/0x170 [ 7216.640858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.640858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.640858][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.640858][ T73] netlink_unicast+0x449/0x710 [ 7216.640858][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.640858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.640858][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.640858][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.640858][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.640858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.640858][ T73] [ 7216.642568][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7216.642568][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7216.642568][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7216.642568][ T73] ipv6_find_idev+0x102/0x170 [ 7216.642568][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7216.642568][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7216.642568][ T73] netlink_rcv_skb+0x130/0x360 [ 7216.642568][ T73] netlink_unicast+0x449/0x710 [ 7216.642568][ T73] netlink_sendmsg+0x723/0xbe0 [ 7216.642568][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7216.642568][ T73] ___sys_sendmsg+0xee/0x170 [ 7216.642568][ T73] __sys_sendmsg+0xcd/0x170 [ 7216.642568][ T73] do_syscall_64+0xc6/0x1e0 [ 7216.642568][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7216.642568][ T73] [ 7226.886884][ T73] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 8 [ 7226.887332][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.887332][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7226.887332][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7226.887332][ T73] fib6_nh_init+0xa22/0x1580 [ 7226.887332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.887332][ T73] ip6_route_add+0x1c/0x140 [ 7226.887332][ T73] inet6_rtm_newroute+0x104/0x110 [ 7226.887332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.887332][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.887332][ T73] netlink_unicast+0x449/0x710 [ 7226.887332][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.887332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.887332][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.887332][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.887332][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.887332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.887332][ T73] [ 7226.889319][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.889319][ T73] dst_init+0x84/0x4a0 [ 7226.889319][ T73] dst_alloc+0x97/0x150 [ 7226.889319][ T73] ip6_dst_alloc+0x23/0x90 [ 7226.889319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7226.889319][ T73] ip6_pol_route+0x56f/0x840 [ 7226.889319][ T73] fib6_rule_lookup+0x456/0x630 [ 7226.889319][ T73] ip6_route_input+0x59c/0xa50 [ 7226.889319][ T73] ipv6_rcv+0x397/0x810 [ 7226.889319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7226.889319][ T73] process_backlog+0x101/0x620 [ 7226.889319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7226.889319][ T73] net_rx_action+0x495/0xbe0 [ 7226.889319][ T73] __do_softirq+0x1b5/0x7f6 [ 7226.889319][ T73] [ 7226.891167][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.891167][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.891167][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.891167][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.891167][ T73] ip6_route_add+0x1c/0x140 [ 7226.891167][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7226.891167][ T73] inet6_addr_add+0x4f8/0xa40 [ 7226.891167][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.891167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.891167][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.891167][ T73] netlink_unicast+0x449/0x710 [ 7226.891167][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.891167][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.891167][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.891167][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.891167][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.891167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.891167][ T73] [ 7226.893263][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.893263][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.893263][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.893263][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.893263][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7226.893263][ T73] ipv6_add_addr+0x411/0x2000 [ 7226.893263][ T73] inet6_addr_add+0x30e/0xa40 [ 7226.893263][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.893263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.893263][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.893263][ T73] netlink_unicast+0x449/0x710 [ 7226.893263][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.893263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.893263][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.893263][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.893263][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.893263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.893263][ T73] [ 7226.895356][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.895356][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.895356][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.895356][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.895356][ T73] ip6_route_add+0x1c/0x140 [ 7226.895356][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7226.895356][ T73] addrconf_add_dev+0xe2/0x170 [ 7226.895356][ T73] inet6_addr_add+0x12f/0xa40 [ 7226.895356][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.895356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.895356][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.895356][ T73] netlink_unicast+0x449/0x710 [ 7226.895356][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.895356][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.895356][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.895356][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.895356][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.895356][ T73] [ 7226.897366][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.897366][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7226.897366][ T73] ipv6_find_idev+0x102/0x170 [ 7226.897366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.897366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.897366][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.897366][ T73] netlink_unicast+0x449/0x710 [ 7226.897366][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.897366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.897366][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.897366][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.897366][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.897366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.897366][ T73] [ 7226.898951][ T73] ref_tracker: veth_A-R2@ffff8880058915e0 has 1/7 users at [ 7226.898951][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7226.898951][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7226.898951][ T73] ipv6_find_idev+0x102/0x170 [ 7226.898951][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.898951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.898951][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.898951][ T73] netlink_unicast+0x449/0x710 [ 7226.898951][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.898951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.898951][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.898951][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.898951][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.898951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.898951][ T73] [ 7226.900693][ T73] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7226.900984][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.900984][ T73] dst_init+0x84/0x4a0 [ 7226.900984][ T73] dst_alloc+0x97/0x150 [ 7226.900984][ T73] ip6_dst_alloc+0x23/0x90 [ 7226.900984][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7226.900984][ T73] ip6_pol_route+0x56f/0x840 [ 7226.900984][ T73] fib6_rule_lookup+0x456/0x630 [ 7226.900984][ T73] ip6_route_input+0x59c/0xa50 [ 7226.900984][ T73] ipv6_rcv+0x397/0x810 [ 7226.900984][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7226.900984][ T73] process_backlog+0x101/0x620 [ 7226.900984][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7226.900984][ T73] net_rx_action+0x495/0xbe0 [ 7226.900984][ T73] __do_softirq+0x1b5/0x7f6 [ 7226.900984][ T73] [ 7226.902647][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.902647][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.902647][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.902647][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.902647][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7226.902647][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7226.902647][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7226.902647][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7226.902647][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7226.902647][ T73] addrconf_dad_begin+0x310/0x670 [ 7226.902647][ T73] addrconf_dad_work+0x10b/0xab0 [ 7226.902647][ T73] process_one_work+0x84d/0x18a0 [ 7226.902647][ T73] worker_thread+0x587/0xd30 [ 7226.902647][ T73] kthread+0x28a/0x350 [ 7226.902647][ T73] ret_from_fork+0x31/0x70 [ 7226.902647][ T73] ret_from_fork_asm+0x1a/0x30 [ 7226.902647][ T73] [ 7226.904620][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.904620][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.904620][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.904620][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.904620][ T73] ip6_route_add+0x1c/0x140 [ 7226.904620][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7226.904620][ T73] inet6_addr_add+0x4f8/0xa40 [ 7226.904620][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.904620][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.904620][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.904620][ T73] netlink_unicast+0x449/0x710 [ 7226.904620][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.904620][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.904620][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.904620][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.904620][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.904620][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.904620][ T73] [ 7226.906652][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.906652][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.906652][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.906652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.906652][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7226.906652][ T73] ipv6_add_addr+0x411/0x2000 [ 7226.906652][ T73] inet6_addr_add+0x30e/0xa40 [ 7226.906652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.906652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.906652][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.906652][ T73] netlink_unicast+0x449/0x710 [ 7226.906652][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.906652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.906652][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.906652][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.906652][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.906652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.906652][ T73] [ 7226.908686][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.908686][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.908686][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.908686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.908686][ T73] ip6_route_add+0x1c/0x140 [ 7226.908686][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7226.908686][ T73] addrconf_add_dev+0xe2/0x170 [ 7226.908686][ T73] inet6_addr_add+0x12f/0xa40 [ 7226.908686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.908686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.908686][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.908686][ T73] netlink_unicast+0x449/0x710 [ 7226.908686][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.908686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.908686][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.908686][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.908686][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.908686][ T73] [ 7226.910687][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.910687][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7226.910687][ T73] ipv6_find_idev+0x102/0x170 [ 7226.910687][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.910687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.910687][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.910687][ T73] netlink_unicast+0x449/0x710 [ 7226.910687][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.910687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.910687][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.910687][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.910687][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.910687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.910687][ T73] [ 7226.912265][ T73] ref_tracker: veth_R2-A@ffff888004cac5e0 has 1/7 users at [ 7226.912265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7226.912265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7226.912265][ T73] ipv6_find_idev+0x102/0x170 [ 7226.912265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.912265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.912265][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.912265][ T73] netlink_unicast+0x449/0x710 [ 7226.912265][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.912265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.912265][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.912265][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.912265][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.912265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.912265][ T73] [ 7226.914082][ T73] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7226.914353][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.914353][ T73] ip6_route_check_nh+0x4b8/0x6a0 [ 7226.914353][ T73] ip6_validate_gw+0x3f7/0x7b0 [ 7226.914353][ T73] fib6_nh_init+0xa22/0x1580 [ 7226.914353][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.914353][ T73] ip6_route_add+0x1c/0x140 [ 7226.914353][ T73] inet6_rtm_newroute+0x104/0x110 [ 7226.914353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.914353][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.914353][ T73] netlink_unicast+0x449/0x710 [ 7226.914353][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.914353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.914353][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.914353][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.914353][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.914353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.914353][ T73] [ 7226.916515][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.916515][ T73] dst_init+0x84/0x4a0 [ 7226.916515][ T73] dst_alloc+0x97/0x150 [ 7226.916515][ T73] ip6_dst_alloc+0x23/0x90 [ 7226.916515][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7226.916515][ T73] ip6_pol_route+0x56f/0x840 [ 7226.916515][ T73] fib6_rule_lookup+0x456/0x630 [ 7226.916515][ T73] ip6_route_input+0x59c/0xa50 [ 7226.916515][ T73] ipv6_rcv+0x397/0x810 [ 7226.916515][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7226.916515][ T73] process_backlog+0x101/0x620 [ 7226.916515][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7226.916515][ T73] net_rx_action+0x495/0xbe0 [ 7226.916515][ T73] __do_softirq+0x1b5/0x7f6 [ 7226.916515][ T73] [ 7226.918366][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.918366][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.918366][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.918366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.918366][ T73] ip6_route_add+0x1c/0x140 [ 7226.918366][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7226.918366][ T73] inet6_addr_add+0x4f8/0xa40 [ 7226.918366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.918366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.918366][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.918366][ T73] netlink_unicast+0x449/0x710 [ 7226.918366][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.918366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.918366][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.918366][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.918366][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.918366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.918366][ T73] [ 7226.920499][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.920499][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.920499][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.920499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.920499][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7226.920499][ T73] ipv6_add_addr+0x411/0x2000 [ 7226.920499][ T73] inet6_addr_add+0x30e/0xa40 [ 7226.920499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.920499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.920499][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.920499][ T73] netlink_unicast+0x449/0x710 [ 7226.920499][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.920499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.920499][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.920499][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.920499][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.920499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.920499][ T73] [ 7226.922700][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.922700][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.922700][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.922700][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.922700][ T73] ip6_route_add+0x1c/0x140 [ 7226.922700][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7226.922700][ T73] addrconf_add_dev+0xe2/0x170 [ 7226.922700][ T73] inet6_addr_add+0x12f/0xa40 [ 7226.922700][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.922700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.922700][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.922700][ T73] netlink_unicast+0x449/0x710 [ 7226.922700][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.922700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.922700][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.922700][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.922700][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.922700][ T73] [ 7226.924878][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.924878][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7226.924878][ T73] ipv6_find_idev+0x102/0x170 [ 7226.924878][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.924878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.924878][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.924878][ T73] netlink_unicast+0x449/0x710 [ 7226.924878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.924878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.924878][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.924878][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.924878][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.924878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.924878][ T73] [ 7226.926575][ T73] ref_tracker: veth_A-R1@ffff8880062315e0 has 1/7 users at [ 7226.926575][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7226.926575][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7226.926575][ T73] ipv6_find_idev+0x102/0x170 [ 7226.926575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.926575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.926575][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.926575][ T73] netlink_unicast+0x449/0x710 [ 7226.926575][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.926575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.926575][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.926575][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.926575][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.926575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.926575][ T73] [ 7226.928403][ T73] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7226.928748][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7226.928748][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.928748][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.928748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.928748][ T73] addrconf_f6i_alloc+0x265/0x560 [ 7226.928748][ T73] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7226.928748][ T73] addrconf_join_anycast+0x1c0/0x220 [ 7226.928748][ T73] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7226.928748][ T73] addrconf_dad_completed+0x12b/0xe20 [ 7226.928748][ T73] addrconf_dad_begin+0x310/0x670 [ 7226.928748][ T73] addrconf_dad_work+0x10b/0xab0 [ 7226.928748][ T73] process_one_work+0x84d/0x18a0 [ 7226.928748][ T73] worker_thread+0x587/0xd30 [ 7226.928748][ T73] kthread+0x28a/0x350 [ 7226.928748][ T73] ret_from_fork+0x31/0x70 [ 7226.928748][ T73] ret_from_fork_asm+0x1a/0x30 [ 7226.928748][ T73] [ 7226.930859][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7226.930859][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.930859][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.930859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.930859][ T73] ip6_route_add+0x1c/0x140 [ 7226.930859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7226.930859][ T73] inet6_addr_add+0x4f8/0xa40 [ 7226.930859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.930859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.930859][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.930859][ T73] netlink_unicast+0x449/0x710 [ 7226.930859][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.930859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.930859][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.930859][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.930859][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.930859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.930859][ T73] [ 7226.933069][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7226.933069][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.933069][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.933069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.933069][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7226.933069][ T73] ipv6_add_addr+0x411/0x2000 [ 7226.933069][ T73] inet6_addr_add+0x30e/0xa40 [ 7226.933069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.933069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.933069][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.933069][ T73] netlink_unicast+0x449/0x710 [ 7226.933069][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.933069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.933069][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.933069][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.933069][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.933069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.933069][ T73] [ 7226.935396][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7226.935396][ T73] netdev_get_by_index+0x5e/0x80 [ 7226.935396][ T73] fib6_nh_init+0x3d8/0x1580 [ 7226.935396][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7226.935396][ T73] ip6_route_add+0x1c/0x140 [ 7226.935396][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7226.935396][ T73] addrconf_add_dev+0xe2/0x170 [ 7226.935396][ T73] inet6_addr_add+0x12f/0xa40 [ 7226.935396][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.935396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.935396][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.935396][ T73] netlink_unicast+0x449/0x710 [ 7226.935396][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.935396][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.935396][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.935396][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.935396][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.935396][ T73] [ 7226.937613][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7226.937613][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7226.937613][ T73] ipv6_find_idev+0x102/0x170 [ 7226.937613][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.937613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.937613][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.937613][ T73] netlink_unicast+0x449/0x710 [ 7226.937613][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.937613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.937613][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.937613][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.937613][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.937613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.937613][ T73] [ 7226.939355][ T73] ref_tracker: veth_R1-A@ffff8880059815e0 has 1/6 users at [ 7226.939355][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7226.939355][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7226.939355][ T73] ipv6_find_idev+0x102/0x170 [ 7226.939355][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.939355][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.939355][ T73] netlink_rcv_skb+0x130/0x360 [ 7226.939355][ T73] netlink_unicast+0x449/0x710 [ 7226.939355][ T73] netlink_sendmsg+0x723/0xbe0 [ 7226.939355][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7226.939355][ T73] ___sys_sendmsg+0xee/0x170 [ 7226.939355][ T73] __sys_sendmsg+0xcd/0x170 [ 7226.939355][ T73] do_syscall_64+0xc6/0x1e0 [ 7226.939355][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.939355][ T73]